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ed95e47f072caaeffdc48a78718cfc08fe89f690
openwrt_NSS_ACW/toolchain/musl/patches/000-update-to-git-2016-01-30.patch
Felix Fietkau ed95e47f07 musl: update to the latest git version, fixes TLS issues 
Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 48574
2016-01-30 20:15:11 +00:00

17862 lines
436 KiB
Diff
Raw Blame History

--- a/.gitignore
+++ b/.gitignore
@@ -5,9 +5,6 @@
*.so.1
arch/*/bits/alltypes.h
config.mak
-include/bits
-tools/musl-gcc
-tools/musl-clang
-tools/ld.musl-clang
lib/musl-gcc.specs
src/internal/version.h
+/obj/
--- a/Makefile
+++ b/Makefile
@@ -8,6 +8,7 @@
# Do not make changes here.
#
+srcdir = .
exec_prefix = /usr/local
bindir = $(exec_prefix)/bin
@@ -16,31 +17,42 @@ includedir = $(prefix)/include
libdir = $(prefix)/lib
syslibdir = /lib
-SRCS = $(sort $(wildcard src/*/*.c arch/$(ARCH)/src/*.c))
-OBJS = $(SRCS:.c=.o)
+BASE_SRCS = $(sort $(wildcard $(srcdir)/src/*/*.c))
+BASE_OBJS = $(patsubst $(srcdir)/%,%.o,$(basename $(BASE_SRCS)))
+ARCH_SRCS = $(wildcard $(srcdir)/src/*/$(ARCH)/*.[csS])
+ARCH_OBJS = $(patsubst $(srcdir)/%,%.o,$(basename $(ARCH_SRCS)))
+REPLACED_OBJS = $(sort $(subst /$(ARCH)/,/,$(ARCH_OBJS)))
+LDSO_SRCS = $(sort $(wildcard $(srcdir)/ldso/*.c))
+LDSO_OBJS = $(patsubst $(srcdir)/%,obj/%.lo,$(basename $(LDSO_SRCS)))
+OBJS = $(addprefix obj/, $(filter-out $(REPLACED_OBJS), $(sort $(BASE_OBJS) $(ARCH_OBJS))))
+AOBJS = $(OBJS)
LOBJS = $(OBJS:.o=.lo)
-GENH = include/bits/alltypes.h
-GENH_INT = src/internal/version.h
-IMPH = src/internal/stdio_impl.h src/internal/pthread_impl.h src/internal/libc.h
+GENH = obj/include/bits/alltypes.h
+GENH_INT = obj/src/internal/version.h
+IMPH = $(addprefix $(srcdir)/, src/internal/stdio_impl.h src/internal/pthread_impl.h src/internal/libc.h)
-LDFLAGS =
+LDFLAGS =
+LDFLAGS_AUTO =
LIBCC = -lgcc
CPPFLAGS =
-CFLAGS = -Os -pipe
+CFLAGS =
+CFLAGS_AUTO = -Os -pipe
CFLAGS_C99FSE = -std=c99 -ffreestanding -nostdinc
CFLAGS_ALL = $(CFLAGS_C99FSE)
-CFLAGS_ALL += -D_XOPEN_SOURCE=700 -I./arch/$(ARCH) -I./src/internal -I./include
-CFLAGS_ALL += $(CPPFLAGS) $(CFLAGS)
-CFLAGS_ALL_STATIC = $(CFLAGS_ALL)
-CFLAGS_ALL_SHARED = $(CFLAGS_ALL) -fPIC -DSHARED
+CFLAGS_ALL += -D_XOPEN_SOURCE=700 -I$(srcdir)/arch/$(ARCH) -I$(srcdir)/arch/generic -Iobj/src/internal -I$(srcdir)/src/internal -Iobj/include -I$(srcdir)/include
+CFLAGS_ALL += $(CPPFLAGS) $(CFLAGS_AUTO) $(CFLAGS)
+
+LDFLAGS_ALL = $(LDFLAGS_AUTO) $(LDFLAGS)
AR = $(CROSS_COMPILE)ar
RANLIB = $(CROSS_COMPILE)ranlib
-INSTALL = ./tools/install.sh
+INSTALL = $(srcdir)/tools/install.sh
-ARCH_INCLUDES = $(wildcard arch/$(ARCH)/bits/*.h)
-ALL_INCLUDES = $(sort $(wildcard include/*.h include/*/*.h) $(GENH) $(ARCH_INCLUDES:arch/$(ARCH)/%=include/%))
+ARCH_INCLUDES = $(wildcard $(srcdir)/arch/$(ARCH)/bits/*.h)
+GENERIC_INCLUDES = $(wildcard $(srcdir)/arch/generic/bits/*.h)
+INCLUDES = $(wildcard $(srcdir)/include/*.h $(srcdir)/include/*/*.h)
+ALL_INCLUDES = $(sort $(INCLUDES:$(srcdir)/%=%) $(GENH:obj/%=%) $(ARCH_INCLUDES:$(srcdir)/arch/$(ARCH)/%=include/%) $(GENERIC_INCLUDES:$(srcdir)/arch/generic/%=include/%))
EMPTY_LIB_NAMES = m rt pthread crypt util xnet resolv dl
EMPTY_LIBS = $(EMPTY_LIB_NAMES:%=lib/lib%.a)
@@ -49,7 +61,7 @@ STATIC_LIBS = lib/libc.a
SHARED_LIBS = lib/libc.so
TOOL_LIBS = lib/musl-gcc.specs
ALL_LIBS = $(CRT_LIBS) $(STATIC_LIBS) $(SHARED_LIBS) $(EMPTY_LIBS) $(TOOL_LIBS)
-ALL_TOOLS = tools/musl-gcc
+ALL_TOOLS = obj/musl-gcc
WRAPCC_GCC = gcc
WRAPCC_CLANG = clang
@@ -58,122 +70,128 @@ LDSO_PATHNAME = $(syslibdir)/ld-musl-$(A
-include config.mak
+ifeq ($(ARCH),)
+$(error Please set ARCH in config.mak before running make.)
+endif
+
all: $(ALL_LIBS) $(ALL_TOOLS)
+OBJ_DIRS = $(sort $(patsubst %/,%,$(dir $(ALL_LIBS) $(ALL_TOOLS) $(OBJS) $(LDSO_OBJS) $(GENH) $(GENH_INT))) $(addprefix obj/, crt crt/$(ARCH) include))
+
+$(ALL_LIBS) $(ALL_TOOLS) $(CRT_LIBS:lib/%=obj/crt/%) $(OBJS) $(LOBJS) $(GENH) $(GENH_INT): | $(OBJ_DIRS)
+
+$(OBJ_DIRS):
+ mkdir -p $@
+
install: install-libs install-headers install-tools
clean:
- rm -f crt/*.o
- rm -f $(OBJS)
- rm -f $(LOBJS)
- rm -f $(ALL_LIBS) lib/*.[ao] lib/*.so
- rm -f $(ALL_TOOLS)
- rm -f $(GENH) $(GENH_INT)
- rm -f include/bits
+ rm -rf obj lib
distclean: clean
rm -f config.mak
-include/bits:
- @test "$(ARCH)" || { echo "Please set ARCH in config.mak before running make." ; exit 1 ; }
- ln -sf ../arch/$(ARCH)/bits $@
+obj/include/bits/alltypes.h: $(srcdir)/arch/$(ARCH)/bits/alltypes.h.in $(srcdir)/include/alltypes.h.in $(srcdir)/tools/mkalltypes.sed
+ sed -f $(srcdir)/tools/mkalltypes.sed $(srcdir)/arch/$(ARCH)/bits/alltypes.h.in $(srcdir)/include/alltypes.h.in > $@
-include/bits/alltypes.h.in: include/bits
+obj/src/internal/version.h: $(wildcard $(srcdir)/VERSION $(srcdir)/.git)
+ printf '#define VERSION "%s"\n' "$$(cd $(srcdir); sh tools/version.sh)" > $@
-include/bits/alltypes.h: include/bits/alltypes.h.in include/alltypes.h.in tools/mkalltypes.sed
- sed -f tools/mkalltypes.sed include/bits/alltypes.h.in include/alltypes.h.in > $@
+obj/src/internal/version.o obj/src/internal/version.lo: obj/src/internal/version.h
-src/internal/version.h: $(wildcard VERSION .git)
- printf '#define VERSION "%s"\n' "$$(sh tools/version.sh)" > $@
+obj/crt/rcrt1.o obj/ldso/dlstart.lo obj/ldso/dynlink.lo: $(srcdir)/src/internal/dynlink.h $(srcdir)/arch/$(ARCH)/reloc.h
-src/internal/version.lo: src/internal/version.h
+obj/crt/crt1.o obj/crt/scrt1.o obj/crt/rcrt1.o obj/ldso/dlstart.lo: $(srcdir)/arch/$(ARCH)/crt_arch.h
-crt/rcrt1.o src/ldso/dlstart.lo src/ldso/dynlink.lo: src/internal/dynlink.h arch/$(ARCH)/reloc.h
+obj/crt/rcrt1.o: $(srcdir)/ldso/dlstart.c
-crt/crt1.o crt/Scrt1.o crt/rcrt1.o src/ldso/dlstart.lo: $(wildcard arch/$(ARCH)/crt_arch.h)
+obj/crt/Scrt1.o obj/crt/rcrt1.o: CFLAGS_ALL += -fPIC
-crt/rcrt1.o: src/ldso/dlstart.c
+obj/crt/$(ARCH)/crti.o: $(srcdir)/crt/$(ARCH)/crti.s
-crt/Scrt1.o crt/rcrt1.o: CFLAGS += -fPIC
+obj/crt/$(ARCH)/crtn.o: $(srcdir)/crt/$(ARCH)/crtn.s
-OPTIMIZE_SRCS = $(wildcard $(OPTIMIZE_GLOBS:%=src/%))
-$(OPTIMIZE_SRCS:%.c=%.o) $(OPTIMIZE_SRCS:%.c=%.lo): CFLAGS += -O3
+OPTIMIZE_SRCS = $(wildcard $(OPTIMIZE_GLOBS:%=$(srcdir)/src/%))
+$(OPTIMIZE_SRCS:$(srcdir)/%.c=obj/%.o) $(OPTIMIZE_SRCS:$(srcdir)/%.c=obj/%.lo): CFLAGS += -O3
MEMOPS_SRCS = src/string/memcpy.c src/string/memmove.c src/string/memcmp.c src/string/memset.c
-$(MEMOPS_SRCS:%.c=%.o) $(MEMOPS_SRCS:%.c=%.lo): CFLAGS += $(CFLAGS_MEMOPS)
+$(MEMOPS_SRCS:%.c=obj/%.o) $(MEMOPS_SRCS:%.c=obj/%.lo): CFLAGS_ALL += $(CFLAGS_MEMOPS)
NOSSP_SRCS = $(wildcard crt/*.c) \
src/env/__libc_start_main.c src/env/__init_tls.c \
- src/thread/__set_thread_area.c src/env/__stack_chk_fail.c \
- src/string/memset.c src/string/memcpy.c \
- src/ldso/dlstart.c src/ldso/dynlink.c
-$(NOSSP_SRCS:%.c=%.o) $(NOSSP_SRCS:%.c=%.lo): CFLAGS += $(CFLAGS_NOSSP)
+ src/env/__stack_chk_fail.c \
+ src/thread/__set_thread_area.c src/thread/$(ARCH)/__set_thread_area.c \
+ src/string/memset.c src/string/$(ARCH)/memset.c \
+ src/string/memcpy.c src/string/$(ARCH)/memcpy.c \
+ ldso/dlstart.c ldso/dynlink.c
+$(NOSSP_SRCS:%.c=obj/%.o) $(NOSSP_SRCS:%.c=obj/%.lo): CFLAGS_ALL += $(CFLAGS_NOSSP)
-$(CRT_LIBS:lib/%=crt/%): CFLAGS += -DCRT
+$(CRT_LIBS:lib/%=obj/crt/%): CFLAGS_ALL += -DCRT
-# This incantation ensures that changes to any subarch asm files will
-# force the corresponding object file to be rebuilt, even if the implicit
-# rule below goes indirectly through a .sub file.
-define mkasmdep
-$(dir $(patsubst %/,%,$(dir $(1))))$(notdir $(1:.s=.o)): $(1)
-endef
-$(foreach s,$(wildcard src/*/$(ARCH)*/*.s),$(eval $(call mkasmdep,$(s))))
+$(LOBJS) $(LDSO_OBJS): CFLAGS_ALL += -fPIC
+
+CC_CMD = $(CC) $(CFLAGS_ALL) -c -o $@ $<
# Choose invocation of assembler to be used
-# $(1) is input file, $(2) is output file, $(3) is assembler flags
ifeq ($(ADD_CFI),yes)
- AS_CMD = LC_ALL=C awk -f tools/add-cfi.common.awk -f tools/add-cfi.$(ARCH).awk $< | $(CC) -x assembler -c -o $@ -
+ AS_CMD = LC_ALL=C awk -f $(srcdir)/tools/add-cfi.common.awk -f $(srcdir)/tools/add-cfi.$(ARCH).awk $< | $(CC) $(CFLAGS_ALL) -x assembler -c -o $@ -
else
- AS_CMD = $(CC) -c -o $@ $<
+ AS_CMD = $(CC_CMD)
endif
-%.o: $(ARCH)$(ASMSUBARCH)/%.sub
- $(CC) $(CFLAGS_ALL_STATIC) -c -o $@ $(dir $<)$(shell cat $<)
+obj/%.o: $(srcdir)/%.s
+ $(AS_CMD)
-%.o: $(ARCH)/%.s
- $(AS_CMD) $(CFLAGS_ALL_STATIC)
+obj/%.o: $(srcdir)/%.S
+ $(CC_CMD)
-%.o: %.c $(GENH) $(IMPH)
- $(CC) $(CFLAGS_ALL_STATIC) -c -o $@ $<
+obj/%.o: $(srcdir)/%.c $(GENH) $(IMPH)
+ $(CC_CMD)
-%.lo: $(ARCH)$(ASMSUBARCH)/%.sub
- $(CC) $(CFLAGS_ALL_SHARED) -c -o $@ $(dir $<)$(shell cat $<)
+obj/%.lo: $(srcdir)/%.s
+ $(AS_CMD)
-%.lo: $(ARCH)/%.s
- $(AS_CMD) $(CFLAGS_ALL_SHARED)
+obj/%.lo: $(srcdir)/%.S
+ $(CC_CMD)
-%.lo: %.c $(GENH) $(IMPH)
- $(CC) $(CFLAGS_ALL_SHARED) -c -o $@ $<
+obj/%.lo: $(srcdir)/%.c $(GENH) $(IMPH)
+ $(CC_CMD)
-lib/libc.so: $(LOBJS)
- $(CC) $(CFLAGS_ALL_SHARED) $(LDFLAGS) -nostdlib -shared \
+lib/libc.so: $(LOBJS) $(LDSO_OBJS)
+ $(CC) $(CFLAGS_ALL) $(LDFLAGS_ALL) -nostdlib -shared \
-Wl,-e,_dlstart -Wl,-Bsymbolic-functions \
- -o $@ $(LOBJS) $(LIBCC)
+ -o $@ $(LOBJS) $(LDSO_OBJS) $(LIBCC)
-lib/libc.a: $(OBJS)
+lib/libc.a: $(AOBJS)
rm -f $@
- $(AR) rc $@ $(OBJS)
+ $(AR) rc $@ $(AOBJS)
$(RANLIB) $@
$(EMPTY_LIBS):
rm -f $@
$(AR) rc $@
-lib/%.o: crt/%.o
+lib/%.o: obj/crt/%.o
cp $< $@
-lib/musl-gcc.specs: tools/musl-gcc.specs.sh config.mak
+lib/crti.o: obj/crt/$(ARCH)/crti.o
+ cp $< $@
+
+lib/crtn.o: obj/crt/$(ARCH)/crtn.o
+ cp $< $@
+
+lib/musl-gcc.specs: $(srcdir)/tools/musl-gcc.specs.sh config.mak
sh $< "$(includedir)" "$(libdir)" "$(LDSO_PATHNAME)" > $@
-tools/musl-gcc: config.mak
+obj/musl-gcc: config.mak
printf '#!/bin/sh\nexec "$${REALGCC:-$(WRAPCC_GCC)}" "$$@" -specs "%s/musl-gcc.specs"\n' "$(libdir)" > $@
chmod +x $@
-tools/%-clang: tools/%-clang.in config.mak
+obj/%-clang: $(srcdir)/tools/%-clang.in config.mak
sed -e 's!@CC@!$(WRAPCC_CLANG)!g' -e 's!@PREFIX@!$(prefix)!g' -e 's!@INCDIR@!$(includedir)!g' -e 's!@LIBDIR@!$(libdir)!g' -e 's!@LDSO@!$(LDSO_PATHNAME)!g' $< > $@
chmod +x $@
-$(DESTDIR)$(bindir)/%: tools/%
+$(DESTDIR)$(bindir)/%: obj/%
$(INSTALL) -D $< $@
$(DESTDIR)$(libdir)/%.so: lib/%.so
@@ -182,10 +200,16 @@ $(DESTDIR)$(libdir)/%.so: lib/%.so
$(DESTDIR)$(libdir)/%: lib/%
$(INSTALL) -D -m 644 $< $@
-$(DESTDIR)$(includedir)/bits/%: arch/$(ARCH)/bits/%
+$(DESTDIR)$(includedir)/bits/%: $(srcdir)/arch/$(ARCH)/bits/%
$(INSTALL) -D -m 644 $< $@
-$(DESTDIR)$(includedir)/%: include/%
+$(DESTDIR)$(includedir)/bits/%: $(srcdir)/arch/generic/bits/%
+ $(INSTALL) -D -m 644 $< $@
+
+$(DESTDIR)$(includedir)/bits/%: obj/include/bits/%
+ $(INSTALL) -D -m 644 $< $@
+
+$(DESTDIR)$(includedir)/%: $(srcdir)/include/%
$(INSTALL) -D -m 644 $< $@
$(DESTDIR)$(LDSO_PATHNAME): $(DESTDIR)$(libdir)/libc.so
@@ -195,12 +219,12 @@ install-libs: $(ALL_LIBS:lib/%=$(DESTDIR
install-headers: $(ALL_INCLUDES:include/%=$(DESTDIR)$(includedir)/%)
-install-tools: $(ALL_TOOLS:tools/%=$(DESTDIR)$(bindir)/%)
+install-tools: $(ALL_TOOLS:obj/%=$(DESTDIR)$(bindir)/%)
musl-git-%.tar.gz: .git
- git archive --format=tar.gz --prefix=$(patsubst %.tar.gz,%,$@)/ -o $@ $(patsubst musl-git-%.tar.gz,%,$@)
+ git --git-dir=$(srcdir)/.git archive --format=tar.gz --prefix=$(patsubst %.tar.gz,%,$@)/ -o $@ $(patsubst musl-git-%.tar.gz,%,$@)
musl-%.tar.gz: .git
- git archive --format=tar.gz --prefix=$(patsubst %.tar.gz,%,$@)/ -o $@ v$(patsubst musl-%.tar.gz,%,$@)
+ git --git-dir=$(srcdir)/.git archive --format=tar.gz --prefix=$(patsubst %.tar.gz,%,$@)/ -o $@ v$(patsubst musl-%.tar.gz,%,$@)
.PHONY: all clean install install-libs install-headers install-tools
--- a/arch/aarch64/atomic.h
+++ /dev/null
@@ -1,206 +0,0 @@
-#ifndef _INTERNAL_ATOMIC_H
-#define _INTERNAL_ATOMIC_H
-
-#include <stdint.h>
-
-static inline int a_ctz_64(uint64_t x)
-{
- __asm__(
- " rbit %0, %1\n"
- " clz %0, %0\n"
- : "=r"(x) : "r"(x));
- return x;
-}
-
-static inline int a_ctz_l(unsigned long x)
-{
- return a_ctz_64(x);
-}
-
-static inline void a_barrier()
-{
- __asm__ __volatile__("dmb ish");
-}
-
-static inline void *a_cas_p(volatile void *p, void *t, void *s)
-{
- void *old;
- __asm__ __volatile__(
- " dmb ish\n"
- "1: ldxr %0,%3\n"
- " cmp %0,%1\n"
- " b.ne 1f\n"
- " stxr %w0,%2,%3\n"
- " cbnz %w0,1b\n"
- " mov %0,%1\n"
- "1: dmb ish\n"
- : "=&r"(old)
- : "r"(t), "r"(s), "Q"(*(long*)p)
- : "memory", "cc");
- return old;
-}
-
-static inline int a_cas(volatile int *p, int t, int s)
-{
- int old;
- __asm__ __volatile__(
- " dmb ish\n"
- "1: ldxr %w0,%3\n"
- " cmp %w0,%w1\n"
- " b.ne 1f\n"
- " stxr %w0,%w2,%3\n"
- " cbnz %w0,1b\n"
- " mov %w0,%w1\n"
- "1: dmb ish\n"
- : "=&r"(old)
- : "r"(t), "r"(s), "Q"(*p)
- : "memory", "cc");
- return old;
-}
-
-static inline int a_swap(volatile int *x, int v)
-{
- int old, tmp;
- __asm__ __volatile__(
- " dmb ish\n"
- "1: ldxr %w0,%3\n"
- " stxr %w1,%w2,%3\n"
- " cbnz %w1,1b\n"
- " dmb ish\n"
- : "=&r"(old), "=&r"(tmp)
- : "r"(v), "Q"(*x)
- : "memory", "cc" );
- return old;
-}
-
-static inline int a_fetch_add(volatile int *x, int v)
-{
- int old, tmp;
- __asm__ __volatile__(
- " dmb ish\n"
- "1: ldxr %w0,%3\n"
- " add %w0,%w0,%w2\n"
- " stxr %w1,%w0,%3\n"
- " cbnz %w1,1b\n"
- " dmb ish\n"
- : "=&r"(old), "=&r"(tmp)
- : "r"(v), "Q"(*x)
- : "memory", "cc" );
- return old-v;
-}
-
-static inline void a_inc(volatile int *x)
-{
- int tmp, tmp2;
- __asm__ __volatile__(
- " dmb ish\n"
- "1: ldxr %w0,%2\n"
- " add %w0,%w0,#1\n"
- " stxr %w1,%w0,%2\n"
- " cbnz %w1,1b\n"
- " dmb ish\n"
- : "=&r"(tmp), "=&r"(tmp2)
- : "Q"(*x)
- : "memory", "cc" );
-}
-
-static inline void a_dec(volatile int *x)
-{
- int tmp, tmp2;
- __asm__ __volatile__(
- " dmb ish\n"
- "1: ldxr %w0,%2\n"
- " sub %w0,%w0,#1\n"
- " stxr %w1,%w0,%2\n"
- " cbnz %w1,1b\n"
- " dmb ish\n"
- : "=&r"(tmp), "=&r"(tmp2)
- : "Q"(*x)
- : "memory", "cc" );
-}
-
-static inline void a_and_64(volatile uint64_t *p, uint64_t v)
-{
- int tmp, tmp2;
- __asm__ __volatile__(
- " dmb ish\n"
- "1: ldxr %0,%3\n"
- " and %0,%0,%2\n"
- " stxr %w1,%0,%3\n"
- " cbnz %w1,1b\n"
- " dmb ish\n"
- : "=&r"(tmp), "=&r"(tmp2)
- : "r"(v), "Q"(*p)
- : "memory", "cc" );
-}
-
-static inline void a_and(volatile int *p, int v)
-{
- int tmp, tmp2;
- __asm__ __volatile__(
- " dmb ish\n"
- "1: ldxr %w0,%3\n"
- " and %w0,%w0,%w2\n"
- " stxr %w1,%w0,%3\n"
- " cbnz %w1,1b\n"
- " dmb ish\n"
- : "=&r"(tmp), "=&r"(tmp2)
- : "r"(v), "Q"(*p)
- : "memory", "cc" );
-}
-
-static inline void a_or_64(volatile uint64_t *p, uint64_t v)
-{
- int tmp, tmp2;
- __asm__ __volatile__(
- " dmb ish\n"
- "1: ldxr %0,%3\n"
- " orr %0,%0,%2\n"
- " stxr %w1,%0,%3\n"
- " cbnz %w1,1b\n"
- " dmb ish\n"
- : "=&r"(tmp), "=&r"(tmp2)
- : "r"(v), "Q"(*p)
- : "memory", "cc" );
-}
-
-static inline void a_or_l(volatile void *p, long v)
-{
- return a_or_64(p, v);
-}
-
-static inline void a_or(volatile int *p, int v)
-{
- int tmp, tmp2;
- __asm__ __volatile__(
- " dmb ish\n"
- "1: ldxr %w0,%3\n"
- " orr %w0,%w0,%w2\n"
- " stxr %w1,%w0,%3\n"
- " cbnz %w1,1b\n"
- " dmb ish\n"
- : "=&r"(tmp), "=&r"(tmp2)
- : "r"(v), "Q"(*p)
- : "memory", "cc" );
-}
-
-static inline void a_store(volatile int *p, int x)
-{
- __asm__ __volatile__(
- " dmb ish\n"
- " str %w1,%0\n"
- " dmb ish\n"
- : "=m"(*p)
- : "r"(x)
- : "memory", "cc" );
-}
-
-#define a_spin a_barrier
-
-static inline void a_crash()
-{
- *(volatile char *)0=0;
-}
-
-
-#endif
--- /dev/null
+++ b/arch/aarch64/atomic_arch.h
@@ -0,0 +1,73 @@
+#define a_ll a_ll
+static inline int a_ll(volatile int *p)
+{
+ int v;
+ __asm__ __volatile__ ("ldaxr %w0,%1" : "=r"(v) : "Q"(*p));
+ return v;
+}
+
+#define a_sc a_sc
+static inline int a_sc(volatile int *p, int v)
+{
+ int r;
+ __asm__ __volatile__ ("stlxr %w0,%w1,%2" : "=&r"(r) : "r"(v), "Q"(*p) : "memory");
+ return !r;
+}
+
+#define a_barrier a_barrier
+static inline void a_barrier()
+{
+ __asm__ __volatile__ ("dmb ish" : : : "memory");
+}
+
+#define a_cas a_cas
+static inline int a_cas(volatile int *p, int t, int s)
+{
+ int old;
+ do {
+ old = a_ll(p);
+ if (old != t) {
+ a_barrier();
+ break;
+ }
+ } while (!a_sc(p, s));
+ return old;
+}
+
+static inline void *a_ll_p(volatile void *p)
+{
+ void *v;
+ __asm__ __volatile__ ("ldaxr %0, %1" : "=r"(v) : "Q"(*(void *volatile *)p));
+ return v;
+}
+
+static inline int a_sc_p(volatile int *p, void *v)
+{
+ int r;
+ __asm__ __volatile__ ("stlxr %w0,%1,%2" : "=&r"(r) : "r"(v), "Q"(*(void *volatile *)p) : "memory");
+ return !r;
+}
+
+#define a_cas_p a_cas_p
+static inline void *a_cas_p(volatile void *p, void *t, void *s)
+{
+ void *old;
+ do {
+ old = a_ll_p(p);
+ if (old != t) {
+ a_barrier();
+ break;
+ }
+ } while (!a_sc_p(p, s));
+ return old;
+}
+
+#define a_ctz_64 a_ctz_64
+static inline int a_ctz_64(uint64_t x)
+{
+ __asm__(
+ " rbit %0, %1\n"
+ " clz %0, %0\n"
+ : "=r"(x) : "r"(x));
+ return x;
+}
--- a/arch/aarch64/bits/errno.h
+++ /dev/null
@@ -1,134 +0,0 @@
-#define EPERM 1
-#define ENOENT 2
-#define ESRCH 3
-#define EINTR 4
-#define EIO 5
-#define ENXIO 6
-#define E2BIG 7
-#define ENOEXEC 8
-#define EBADF 9
-#define ECHILD 10
-#define EAGAIN 11
-#define ENOMEM 12
-#define EACCES 13
-#define EFAULT 14
-#define ENOTBLK 15
-#define EBUSY 16
-#define EEXIST 17
-#define EXDEV 18
-#define ENODEV 19
-#define ENOTDIR 20
-#define EISDIR 21
-#define EINVAL 22
-#define ENFILE 23
-#define EMFILE 24
-#define ENOTTY 25
-#define ETXTBSY 26
-#define EFBIG 27
-#define ENOSPC 28
-#define ESPIPE 29
-#define EROFS 30
-#define EMLINK 31
-#define EPIPE 32
-#define EDOM 33
-#define ERANGE 34
-#define EDEADLK 35
-#define ENAMETOOLONG 36
-#define ENOLCK 37
-#define ENOSYS 38
-#define ENOTEMPTY 39
-#define ELOOP 40
-#define EWOULDBLOCK EAGAIN
-#define ENOMSG 42
-#define EIDRM 43
-#define ECHRNG 44
-#define EL2NSYNC 45
-#define EL3HLT 46
-#define EL3RST 47
-#define ELNRNG 48
-#define EUNATCH 49
-#define ENOCSI 50
-#define EL2HLT 51
-#define EBADE 52
-#define EBADR 53
-#define EXFULL 54
-#define ENOANO 55
-#define EBADRQC 56
-#define EBADSLT 57
-#define EDEADLOCK EDEADLK
-#define EBFONT 59
-#define ENOSTR 60
-#define ENODATA 61
-#define ETIME 62
-#define ENOSR 63
-#define ENONET 64
-#define ENOPKG 65
-#define EREMOTE 66
-#define ENOLINK 67
-#define EADV 68
-#define ESRMNT 69
-#define ECOMM 70
-#define EPROTO 71
-#define EMULTIHOP 72
-#define EDOTDOT 73
-#define EBADMSG 74
-#define EOVERFLOW 75
-#define ENOTUNIQ 76
-#define EBADFD 77
-#define EREMCHG 78
-#define ELIBACC 79
-#define ELIBBAD 80
-#define ELIBSCN 81
-#define ELIBMAX 82
-#define ELIBEXEC 83
-#define EILSEQ 84
-#define ERESTART 85
-#define ESTRPIPE 86
-#define EUSERS 87
-#define ENOTSOCK 88
-#define EDESTADDRREQ 89
-#define EMSGSIZE 90
-#define EPROTOTYPE 91
-#define ENOPROTOOPT 92
-#define EPROTONOSUPPORT 93
-#define ESOCKTNOSUPPORT 94
-#define EOPNOTSUPP 95
-#define ENOTSUP EOPNOTSUPP
-#define EPFNOSUPPORT 96
-#define EAFNOSUPPORT 97
-#define EADDRINUSE 98
-#define EADDRNOTAVAIL 99
-#define ENETDOWN 100
-#define ENETUNREACH 101
-#define ENETRESET 102
-#define ECONNABORTED 103
-#define ECONNRESET 104
-#define ENOBUFS 105
-#define EISCONN 106
-#define ENOTCONN 107
-#define ESHUTDOWN 108
-#define ETOOMANYREFS 109
-#define ETIMEDOUT 110
-#define ECONNREFUSED 111
-#define EHOSTDOWN 112
-#define EHOSTUNREACH 113
-#define EALREADY 114
-#define EINPROGRESS 115
-#define ESTALE 116
-#define EUCLEAN 117
-#define ENOTNAM 118
-#define ENAVAIL 119
-#define EISNAM 120
-#define EREMOTEIO 121
-#define EDQUOT 122
-#define ENOMEDIUM 123
-#define EMEDIUMTYPE 124
-#define ECANCELED 125
-#define ENOKEY 126
-#define EKEYEXPIRED 127
-#define EKEYREVOKED 128
-#define EKEYREJECTED 129
-#define EOWNERDEAD 130
-#define ENOTRECOVERABLE 131
-#define ERFKILL 132
-#define EHWPOISON 133
--- a/arch/aarch64/bits/mman.h
+++ b/arch/aarch64/bits/mman.h
@@ -36,6 +36,7 @@
#define MCL_CURRENT 1
#define MCL_FUTURE 2
+#define MCL_ONFAULT 4
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
#define MADV_NORMAL 0
--- a/arch/aarch64/bits/statfs.h
+++ /dev/null
@@ -1,7 +0,0 @@
-struct statfs {
- unsigned long f_type, f_bsize;
- fsblkcnt_t f_blocks, f_bfree, f_bavail;
- fsfilcnt_t f_files, f_ffree;
- fsid_t f_fsid;
- unsigned long f_namelen, f_frsize, f_flags, f_spare[4];
-};
--- a/arch/aarch64/bits/stdarg.h
+++ /dev/null
@@ -1,4 +0,0 @@
-#define va_start(v,l) __builtin_va_start(v,l)
-#define va_end(v) __builtin_va_end(v)
-#define va_arg(v,l) __builtin_va_arg(v,l)
-#define va_copy(d,s) __builtin_va_copy(d,s)
--- a/arch/aarch64/bits/syscall.h
+++ b/arch/aarch64/bits/syscall.h
@@ -265,6 +265,9 @@
#define __NR_memfd_create 279
#define __NR_bpf 280
#define __NR_execveat 281
+#define __NR_userfaultfd 282
+#define __NR_membarrier 283
+#define __NR_mlock2 284
#define SYS_io_setup __NR_io_setup
#define SYS_io_destroy __NR_io_destroy
@@ -533,3 +536,6 @@
#define SYS_memfd_create __NR_memfd_create
#define SYS_bpf __NR_bpf
#define SYS_execveat __NR_execveat
+#define SYS_userfaultfd __NR_userfaultfd
+#define SYS_membarrier __NR_membarrier
+#define SYS_mlock2 __NR_mlock2
--- a/arch/aarch64/bits/termios.h
+++ /dev/null
@@ -1,160 +0,0 @@
-struct termios
-{
- tcflag_t c_iflag;
- tcflag_t c_oflag;
- tcflag_t c_cflag;
- tcflag_t c_lflag;
- cc_t c_line;
- cc_t c_cc[NCCS];
- speed_t __c_ispeed;
- speed_t __c_ospeed;
-};
-
-#define VINTR 0
-#define VQUIT 1
-#define VERASE 2
-#define VKILL 3
-#define VEOF 4
-#define VTIME 5
-#define VMIN 6
-#define VSWTC 7
-#define VSTART 8
-#define VSTOP 9
-#define VSUSP 10
-#define VEOL 11
-#define VREPRINT 12
-#define VDISCARD 13
-#define VWERASE 14
-#define VLNEXT 15
-#define VEOL2 16
-
-#define IGNBRK 0000001
-#define BRKINT 0000002
-#define IGNPAR 0000004
-#define PARMRK 0000010
-#define INPCK 0000020
-#define ISTRIP 0000040
-#define INLCR 0000100
-#define IGNCR 0000200
-#define ICRNL 0000400
-#define IUCLC 0001000
-#define IXON 0002000
-#define IXANY 0004000
-#define IXOFF 0010000
-#define IMAXBEL 0020000
-#define IUTF8 0040000
-
-#define OPOST 0000001
-#define OLCUC 0000002
-#define ONLCR 0000004
-#define OCRNL 0000010
-#define ONOCR 0000020
-#define ONLRET 0000040
-#define OFILL 0000100
-#define OFDEL 0000200
-#define NLDLY 0000400
-#define NL0 0000000
-#define NL1 0000400
-#define CRDLY 0003000
-#define CR0 0000000
-#define CR1 0001000
-#define CR2 0002000
-#define CR3 0003000
-#define TABDLY 0014000
-#define TAB0 0000000
-#define TAB1 0004000
-#define TAB2 0010000
-#define TAB3 0014000
-#define BSDLY 0020000
-#define BS0 0000000
-#define BS1 0020000
-#define FFDLY 0100000
-#define FF0 0000000
-#define FF1 0100000
-
-#define VTDLY 0040000
-#define VT0 0000000
-#define VT1 0040000
-
-#define B0 0000000
-#define B50 0000001
-#define B75 0000002
-#define B110 0000003
-#define B134 0000004
-#define B150 0000005
-#define B200 0000006
-#define B300 0000007
-#define B600 0000010
-#define B1200 0000011
-#define B1800 0000012
-#define B2400 0000013
-#define B4800 0000014
-#define B9600 0000015
-#define B19200 0000016
-#define B38400 0000017
-
-#define B57600 0010001
-#define B115200 0010002
-#define B230400 0010003
-#define B460800 0010004
-#define B500000 0010005
-#define B576000 0010006
-#define B921600 0010007
-#define B1000000 0010010
-#define B1152000 0010011
-#define B1500000 0010012
-#define B2000000 0010013
-#define B2500000 0010014
-#define B3000000 0010015
-#define B3500000 0010016
-#define B4000000 0010017
-
-#define CBAUD 0010017
-
-#define CSIZE 0000060
-#define CS5 0000000
-#define CS6 0000020
-#define CS7 0000040
-#define CS8 0000060
-#define CSTOPB 0000100
-#define CREAD 0000200
-#define PARENB 0000400
-#define PARODD 0001000
-#define HUPCL 0002000
-#define CLOCAL 0004000
-
-#define ISIG 0000001
-#define ICANON 0000002
-#define ECHO 0000010
-#define ECHOE 0000020
-#define ECHOK 0000040
-#define ECHONL 0000100
-#define NOFLSH 0000200
-#define TOSTOP 0000400
-#define IEXTEN 0100000
-
-#define ECHOCTL 0001000
-#define ECHOPRT 0002000
-#define ECHOKE 0004000
-#define FLUSHO 0010000
-#define PENDIN 0040000
-
-#define TCOOFF 0
-#define TCOON 1
-#define TCIOFF 2
-#define TCION 3
-
-#define TCIFLUSH 0
-#define TCOFLUSH 1
-#define TCIOFLUSH 2
-
-#define TCSANOW 0
-#define TCSADRAIN 1
-#define TCSAFLUSH 2
-
-#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
-#define CBAUDEX 0010000
-#define CRTSCTS 020000000000
-#define EXTPROC 0200000
-#define XTABS 0014000
-#endif
--- a/arch/aarch64/pthread_arch.h
+++ b/arch/aarch64/pthread_arch.h
@@ -8,4 +8,4 @@ static inline struct pthread *__pthread_
#define TLS_ABOVE_TP
#define TP_ADJ(p) ((char *)(p) + sizeof(struct pthread) - 16)
-#define CANCEL_REG_IP 33
+#define MC_PC pc
--- a/arch/arm/atomic.h
+++ /dev/null
@@ -1,261 +0,0 @@
-#ifndef _INTERNAL_ATOMIC_H
-#define _INTERNAL_ATOMIC_H
-
-#include <stdint.h>
-
-static inline int a_ctz_l(unsigned long x)
-{
- static const char debruijn32[32] = {
- 0, 1, 23, 2, 29, 24, 19, 3, 30, 27, 25, 11, 20, 8, 4, 13,
- 31, 22, 28, 18, 26, 10, 7, 12, 21, 17, 9, 6, 16, 5, 15, 14
- };
- return debruijn32[(x&-x)*0x076be629 >> 27];
-}
-
-static inline int a_ctz_64(uint64_t x)
-{
- uint32_t y = x;
- if (!y) {
- y = x>>32;
- return 32 + a_ctz_l(y);
- }
- return a_ctz_l(y);
-}
-
-#if __ARM_ARCH_7A__ || __ARM_ARCH_7R__ || __ARM_ARCH >= 7
-
-static inline void a_barrier()
-{
- __asm__ __volatile__("dmb ish");
-}
-
-static inline int a_cas(volatile int *p, int t, int s)
-{
- int old;
- __asm__ __volatile__(
- " dmb ish\n"
- "1: ldrex %0,%3\n"
- " cmp %0,%1\n"
- " bne 1f\n"
- " strex %0,%2,%3\n"
- " cmp %0, #0\n"
- " bne 1b\n"
- " mov %0, %1\n"
- "1: dmb ish\n"
- : "=&r"(old)
- : "r"(t), "r"(s), "Q"(*p)
- : "memory", "cc" );
- return old;
-}
-
-static inline int a_swap(volatile int *x, int v)
-{
- int old, tmp;
- __asm__ __volatile__(
- " dmb ish\n"
- "1: ldrex %0,%3\n"
- " strex %1,%2,%3\n"
- " cmp %1, #0\n"
- " bne 1b\n"
- " dmb ish\n"
- : "=&r"(old), "=&r"(tmp)
- : "r"(v), "Q"(*x)
- : "memory", "cc" );
- return old;
-}
-
-static inline int a_fetch_add(volatile int *x, int v)
-{
- int old, tmp;
- __asm__ __volatile__(
- " dmb ish\n"
- "1: ldrex %0,%3\n"
- " add %0,%0,%2\n"
- " strex %1,%0,%3\n"
- " cmp %1, #0\n"
- " bne 1b\n"
- " dmb ish\n"
- : "=&r"(old), "=&r"(tmp)
- : "r"(v), "Q"(*x)
- : "memory", "cc" );
- return old-v;
-}
-
-static inline void a_inc(volatile int *x)
-{
- int tmp, tmp2;
- __asm__ __volatile__(
- " dmb ish\n"
- "1: ldrex %0,%2\n"
- " add %0,%0,#1\n"
- " strex %1,%0,%2\n"
- " cmp %1, #0\n"
- " bne 1b\n"
- " dmb ish\n"
- : "=&r"(tmp), "=&r"(tmp2)
- : "Q"(*x)
- : "memory", "cc" );
-}
-
-static inline void a_dec(volatile int *x)
-{
- int tmp, tmp2;
- __asm__ __volatile__(
- " dmb ish\n"
- "1: ldrex %0,%2\n"
- " sub %0,%0,#1\n"
- " strex %1,%0,%2\n"
- " cmp %1, #0\n"
- " bne 1b\n"
- " dmb ish\n"
- : "=&r"(tmp), "=&r"(tmp2)
- : "Q"(*x)
- : "memory", "cc" );
-}
-
-static inline void a_and(volatile int *x, int v)
-{
- int tmp, tmp2;
- __asm__ __volatile__(
- " dmb ish\n"
- "1: ldrex %0,%3\n"
- " and %0,%0,%2\n"
- " strex %1,%0,%3\n"
- " cmp %1, #0\n"
- " bne 1b\n"
- " dmb ish\n"
- : "=&r"(tmp), "=&r"(tmp2)
- : "r"(v), "Q"(*x)
- : "memory", "cc" );
-}
-
-static inline void a_or(volatile int *x, int v)
-{
- int tmp, tmp2;
- __asm__ __volatile__(
- " dmb ish\n"
- "1: ldrex %0,%3\n"
- " orr %0,%0,%2\n"
- " strex %1,%0,%3\n"
- " cmp %1, #0\n"
- " bne 1b\n"
- " dmb ish\n"
- : "=&r"(tmp), "=&r"(tmp2)
- : "r"(v), "Q"(*x)
- : "memory", "cc" );
-}
-
-static inline void a_store(volatile int *p, int x)
-{
- __asm__ __volatile__(
- " dmb ish\n"
- " str %1,%0\n"
- " dmb ish\n"
- : "=m"(*p)
- : "r"(x)
- : "memory", "cc" );
-}
-
-#else
-
-int __a_cas(int, int, volatile int *) __attribute__((__visibility__("hidden")));
-#define __k_cas __a_cas
-
-static inline void a_barrier()
-{
- __asm__ __volatile__("bl __a_barrier"
- : : : "memory", "cc", "ip", "lr" );
-}
-
-static inline int a_cas(volatile int *p, int t, int s)
-{
- int old;
- for (;;) {
- if (!__k_cas(t, s, p))
- return t;
- if ((old=*p) != t)
- return old;
- }
-}
-
-static inline int a_swap(volatile int *x, int v)
-{
- int old;
- do old = *x;
- while (__k_cas(old, v, x));
- return old;
-}
-
-static inline int a_fetch_add(volatile int *x, int v)
-{
- int old;
- do old = *x;
- while (__k_cas(old, old+v, x));
- return old;
-}
-
-static inline void a_inc(volatile int *x)
-{
- a_fetch_add(x, 1);
-}
-
-static inline void a_dec(volatile int *x)
-{
- a_fetch_add(x, -1);
-}
-
-static inline void a_store(volatile int *p, int x)
-{
- a_barrier();
- *p = x;
- a_barrier();
-}
-
-static inline void a_and(volatile int *p, int v)
-{
- int old;
- do old = *p;
- while (__k_cas(old, old&v, p));
-}
-
-static inline void a_or(volatile int *p, int v)
-{
- int old;
- do old = *p;
- while (__k_cas(old, old|v, p));
-}
-
-#endif
-
-static inline void *a_cas_p(volatile void *p, void *t, void *s)
-{
- return (void *)a_cas(p, (int)t, (int)s);
-}
-
-#define a_spin a_barrier
-
-static inline void a_crash()
-{
- *(volatile char *)0=0;
-}
-
-static inline void a_or_l(volatile void *p, long v)
-{
- a_or(p, v);
-}
-
-static inline void a_and_64(volatile uint64_t *p, uint64_t v)
-{
- union { uint64_t v; uint32_t r[2]; } u = { v };
- a_and((int *)p, u.r[0]);
- a_and((int *)p+1, u.r[1]);
-}
-
-static inline void a_or_64(volatile uint64_t *p, uint64_t v)
-{
- union { uint64_t v; uint32_t r[2]; } u = { v };
- a_or((int *)p, u.r[0]);
- a_or((int *)p+1, u.r[1]);
-}
-
-#endif
--- /dev/null
+++ b/arch/arm/atomic_arch.h
@@ -0,0 +1,76 @@
+__attribute__((__visibility__("hidden")))
+extern const void *__arm_atomics[3]; /* gettp, cas, barrier */
+
+#if ((__ARM_ARCH_6__ || __ARM_ARCH_6K__ || __ARM_ARCH_6ZK__) && !__thumb__) \
+ || __ARM_ARCH_7A__ || __ARM_ARCH_7R__ || __ARM_ARCH >= 7
+
+#define a_ll a_ll
+static inline int a_ll(volatile int *p)
+{
+ int v;
+ __asm__ __volatile__ ("ldrex %0, %1" : "=r"(v) : "Q"(*p));
+ return v;
+}
+
+#define a_sc a_sc
+static inline int a_sc(volatile int *p, int v)
+{
+ int r;
+ __asm__ __volatile__ ("strex %0,%1,%2" : "=&r"(r) : "r"(v), "Q"(*p) : "memory");
+ return !r;
+}
+
+#if __ARM_ARCH_7A__ || __ARM_ARCH_7R__ || __ARM_ARCH >= 7
+
+#define a_barrier a_barrier
+static inline void a_barrier()
+{
+ __asm__ __volatile__ ("dmb ish" : : : "memory");
+}
+
+#endif
+
+#define a_pre_llsc a_barrier
+#define a_post_llsc a_barrier
+
+#else
+
+#define a_cas a_cas
+static inline int a_cas(volatile int *p, int t, int s)
+{
+ for (;;) {
+ register int r0 __asm__("r0") = t;
+ register int r1 __asm__("r1") = s;
+ register volatile int *r2 __asm__("r2") = p;
+ int old;
+ __asm__ __volatile__ (
+ "bl __a_cas"
+ : "+r"(r0) : "r"(r1), "r"(r2)
+ : "memory", "r3", "lr", "ip", "cc" );
+ if (!r0) return t;
+ if ((old=*p)!=t) return old;
+ }
+}
+
+#endif
+
+#ifndef a_barrier
+#define a_barrier a_barrier
+static inline void a_barrier()
+{
+ __asm__ __volatile__("bl __a_barrier"
+ : : : "memory", "cc", "ip", "lr" );
+}
+#endif
+
+#define a_crash a_crash
+static inline void a_crash()
+{
+ __asm__ __volatile__(
+#ifndef __thumb__
+ ".word 0xe7f000f0"
+#else
+ ".short 0xdeff"
+#endif
+ : : : "memory");
+}
--- a/arch/arm/bits/errno.h
+++ /dev/null
@@ -1,134 +0,0 @@
-#define EPERM 1
-#define ENOENT 2
-#define ESRCH 3
-#define EINTR 4
-#define EIO 5
-#define ENXIO 6
-#define E2BIG 7
-#define ENOEXEC 8
-#define EBADF 9
-#define ECHILD 10
-#define EAGAIN 11
-#define ENOMEM 12
-#define EACCES 13
-#define EFAULT 14
-#define ENOTBLK 15
-#define EBUSY 16
-#define EEXIST 17
-#define EXDEV 18
-#define ENODEV 19
-#define ENOTDIR 20
-#define EISDIR 21
-#define EINVAL 22
-#define ENFILE 23
-#define EMFILE 24
-#define ENOTTY 25
-#define ETXTBSY 26
-#define EFBIG 27
-#define ENOSPC 28
-#define ESPIPE 29
-#define EROFS 30
-#define EMLINK 31
-#define EPIPE 32
-#define EDOM 33
-#define ERANGE 34
-#define EDEADLK 35
-#define ENAMETOOLONG 36
-#define ENOLCK 37
-#define ENOSYS 38
-#define ENOTEMPTY 39
-#define ELOOP 40
-#define EWOULDBLOCK EAGAIN
-#define ENOMSG 42
-#define EIDRM 43
-#define ECHRNG 44
-#define EL2NSYNC 45
-#define EL3HLT 46
-#define EL3RST 47
-#define ELNRNG 48
-#define EUNATCH 49
-#define ENOCSI 50
-#define EL2HLT 51
-#define EBADE 52
-#define EBADR 53
-#define EXFULL 54
-#define ENOANO 55
-#define EBADRQC 56
-#define EBADSLT 57
-#define EDEADLOCK EDEADLK
-#define EBFONT 59
-#define ENOSTR 60
-#define ENODATA 61
-#define ETIME 62
-#define ENOSR 63
-#define ENONET 64
-#define ENOPKG 65
-#define EREMOTE 66
-#define ENOLINK 67
-#define EADV 68
-#define ESRMNT 69
-#define ECOMM 70
-#define EPROTO 71
-#define EMULTIHOP 72
-#define EDOTDOT 73
-#define EBADMSG 74
-#define EOVERFLOW 75
-#define ENOTUNIQ 76
-#define EBADFD 77
-#define EREMCHG 78
-#define ELIBACC 79
-#define ELIBBAD 80
-#define ELIBSCN 81
-#define ELIBMAX 82
-#define ELIBEXEC 83
-#define EILSEQ 84
-#define ERESTART 85
-#define ESTRPIPE 86
-#define EUSERS 87
-#define ENOTSOCK 88
-#define EDESTADDRREQ 89
-#define EMSGSIZE 90
-#define EPROTOTYPE 91
-#define ENOPROTOOPT 92
-#define EPROTONOSUPPORT 93
-#define ESOCKTNOSUPPORT 94
-#define EOPNOTSUPP 95
-#define ENOTSUP EOPNOTSUPP
-#define EPFNOSUPPORT 96
-#define EAFNOSUPPORT 97
-#define EADDRINUSE 98
-#define EADDRNOTAVAIL 99
-#define ENETDOWN 100
-#define ENETUNREACH 101
-#define ENETRESET 102
-#define ECONNABORTED 103
-#define ECONNRESET 104
-#define ENOBUFS 105
-#define EISCONN 106
-#define ENOTCONN 107
-#define ESHUTDOWN 108
-#define ETOOMANYREFS 109
-#define ETIMEDOUT 110
-#define ECONNREFUSED 111
-#define EHOSTDOWN 112
-#define EHOSTUNREACH 113
-#define EALREADY 114
-#define EINPROGRESS 115
-#define ESTALE 116
-#define EUCLEAN 117
-#define ENOTNAM 118
-#define ENAVAIL 119
-#define EISNAM 120
-#define EREMOTEIO 121
-#define EDQUOT 122
-#define ENOMEDIUM 123
-#define EMEDIUMTYPE 124
-#define ECANCELED 125
-#define ENOKEY 126
-#define EKEYEXPIRED 127
-#define EKEYREVOKED 128
-#define EKEYREJECTED 129
-#define EOWNERDEAD 130
-#define ENOTRECOVERABLE 131
-#define ERFKILL 132
-#define EHWPOISON 133
--- a/arch/arm/bits/ioctl.h
+++ /dev/null
@@ -1,197 +0,0 @@
-#define _IOC(a,b,c,d) ( ((a)<<30) | ((b)<<8) | (c) | ((d)<<16) )
-#define _IOC_NONE 0U
-#define _IOC_WRITE 1U
-#define _IOC_READ 2U
-
-#define _IO(a,b) _IOC(_IOC_NONE,(a),(b),0)
-#define _IOW(a,b,c) _IOC(_IOC_WRITE,(a),(b),sizeof(c))
-#define _IOR(a,b,c) _IOC(_IOC_READ,(a),(b),sizeof(c))
-#define _IOWR(a,b,c) _IOC(_IOC_READ|_IOC_WRITE,(a),(b),sizeof(c))
-
-#define TCGETS 0x5401
-#define TCSETS 0x5402
-#define TCSETSW 0x5403
-#define TCSETSF 0x5404
-#define TCGETA 0x5405
-#define TCSETA 0x5406
-#define TCSETAW 0x5407
-#define TCSETAF 0x5408
-#define TCSBRK 0x5409
-#define TCXONC 0x540A
-#define TCFLSH 0x540B
-#define TIOCEXCL 0x540C
-#define TIOCNXCL 0x540D
-#define TIOCSCTTY 0x540E
-#define TIOCGPGRP 0x540F
-#define TIOCSPGRP 0x5410
-#define TIOCOUTQ 0x5411
-#define TIOCSTI 0x5412
-#define TIOCGWINSZ 0x5413
-#define TIOCSWINSZ 0x5414
-#define TIOCMGET 0x5415
-#define TIOCMBIS 0x5416
-#define TIOCMBIC 0x5417
-#define TIOCMSET 0x5418
-#define TIOCGSOFTCAR 0x5419
-#define TIOCSSOFTCAR 0x541A
-#define FIONREAD 0x541B
-#define TIOCINQ FIONREAD
-#define TIOCLINUX 0x541C
-#define TIOCCONS 0x541D
-#define TIOCGSERIAL 0x541E
-#define TIOCSSERIAL 0x541F
-#define TIOCPKT 0x5420
-#define FIONBIO 0x5421
-#define TIOCNOTTY 0x5422
-#define TIOCSETD 0x5423
-#define TIOCGETD 0x5424
-#define TCSBRKP 0x5425
-#define TIOCTTYGSTRUCT 0x5426
-#define TIOCSBRK 0x5427
-#define TIOCCBRK 0x5428
-#define TIOCGSID 0x5429
-#define TIOCGPTN 0x80045430
-#define TIOCSPTLCK 0x40045431
-#define TCGETX 0x5432
-#define TCSETX 0x5433
-#define TCSETXF 0x5434
-#define TCSETXW 0x5435
-
-#define FIONCLEX 0x5450
-#define FIOCLEX 0x5451
-#define FIOASYNC 0x5452
-#define TIOCSERCONFIG 0x5453
-#define TIOCSERGWILD 0x5454
-#define TIOCSERSWILD 0x5455
-#define TIOCGLCKTRMIOS 0x5456
-#define TIOCSLCKTRMIOS 0x5457
-#define TIOCSERGSTRUCT 0x5458
-#define TIOCSERGETLSR 0x5459
-#define TIOCSERGETMULTI 0x545A
-#define TIOCSERSETMULTI 0x545B
-
-#define TIOCMIWAIT 0x545C
-#define TIOCGICOUNT 0x545D
-#define TIOCGHAYESESP 0x545E
-#define TIOCSHAYESESP 0x545F
-#define FIOQSIZE 0x5460
-
-#define TIOCPKT_DATA 0
-#define TIOCPKT_FLUSHREAD 1
-#define TIOCPKT_FLUSHWRITE 2
-#define TIOCPKT_STOP 4
-#define TIOCPKT_START 8
-#define TIOCPKT_NOSTOP 16
-#define TIOCPKT_DOSTOP 32
-#define TIOCPKT_IOCTL 64
-
-#define TIOCSER_TEMT 0x01
-
-struct winsize {
- unsigned short ws_row;
- unsigned short ws_col;
- unsigned short ws_xpixel;
- unsigned short ws_ypixel;
-};
-
-#define TIOCM_LE 0x001
-#define TIOCM_DTR 0x002
-#define TIOCM_RTS 0x004
-#define TIOCM_ST 0x008
-#define TIOCM_SR 0x010
-#define TIOCM_CTS 0x020
-#define TIOCM_CAR 0x040
-#define TIOCM_RNG 0x080
-#define TIOCM_DSR 0x100
-#define TIOCM_CD TIOCM_CAR
-#define TIOCM_RI TIOCM_RNG
-#define TIOCM_OUT1 0x2000
-#define TIOCM_OUT2 0x4000
-#define TIOCM_LOOP 0x8000
-#define TIOCM_MODEM_BITS TIOCM_OUT2
-
-#define N_TTY 0
-#define N_SLIP 1
-#define N_MOUSE 2
-#define N_PPP 3
-#define N_STRIP 4
-#define N_AX25 5
-#define N_X25 6
-#define N_6PACK 7
-#define N_MASC 8
-#define N_R3964 9
-#define N_PROFIBUS_FDL 10
-#define N_IRDA 11
-#define N_SMSBLOCK 12
-#define N_HDLC 13
-#define N_SYNC_PPP 14
-#define N_HCI 15
-
-#define FIOSETOWN 0x8901
-#define SIOCSPGRP 0x8902
-#define FIOGETOWN 0x8903
-#define SIOCGPGRP 0x8904
-#define SIOCATMARK 0x8905
-#define SIOCGSTAMP 0x8906
-
-#define SIOCADDRT 0x890B
-#define SIOCDELRT 0x890C
-#define SIOCRTMSG 0x890D
-
-#define SIOCGIFNAME 0x8910
-#define SIOCSIFLINK 0x8911
-#define SIOCGIFCONF 0x8912
-#define SIOCGIFFLAGS 0x8913
-#define SIOCSIFFLAGS 0x8914
-#define SIOCGIFADDR 0x8915
-#define SIOCSIFADDR 0x8916
-#define SIOCGIFDSTADDR 0x8917
-#define SIOCSIFDSTADDR 0x8918
-#define SIOCGIFBRDADDR 0x8919
-#define SIOCSIFBRDADDR 0x891a
-#define SIOCGIFNETMASK 0x891b
-#define SIOCSIFNETMASK 0x891c
-#define SIOCGIFMETRIC 0x891d
-#define SIOCSIFMETRIC 0x891e
-#define SIOCGIFMEM 0x891f
-#define SIOCSIFMEM 0x8920
-#define SIOCGIFMTU 0x8921
-#define SIOCSIFMTU 0x8922
-#define SIOCSIFHWADDR 0x8924
-#define SIOCGIFENCAP 0x8925
-#define SIOCSIFENCAP 0x8926
-#define SIOCGIFHWADDR 0x8927
-#define SIOCGIFSLAVE 0x8929
-#define SIOCSIFSLAVE 0x8930
-#define SIOCADDMULTI 0x8931
-#define SIOCDELMULTI 0x8932
-#define SIOCGIFINDEX 0x8933
-#define SIOGIFINDEX SIOCGIFINDEX
-#define SIOCSIFPFLAGS 0x8934
-#define SIOCGIFPFLAGS 0x8935
-#define SIOCDIFADDR 0x8936
-#define SIOCSIFHWBROADCAST 0x8937
-#define SIOCGIFCOUNT 0x8938
-
-#define SIOCGIFBR 0x8940
-#define SIOCSIFBR 0x8941
-
-#define SIOCGIFTXQLEN 0x8942
-#define SIOCSIFTXQLEN 0x8943
-
-#define SIOCDARP 0x8953
-#define SIOCGARP 0x8954
-#define SIOCSARP 0x8955
-
-#define SIOCDRARP 0x8960
-#define SIOCGRARP 0x8961
-#define SIOCSRARP 0x8962
-
-#define SIOCGIFMAP 0x8970
-#define SIOCSIFMAP 0x8971
-
-#define SIOCADDDLCI 0x8980
-#define SIOCDELDLCI 0x8981
-
-#define SIOCDEVPRIVATE 0x89F0
-#define SIOCPROTOPRIVATE 0x89E0
--- a/arch/arm/bits/ipc.h
+++ /dev/null
@@ -1,14 +0,0 @@
-struct ipc_perm
-{
- key_t __ipc_perm_key;
- uid_t uid;
- gid_t gid;
- uid_t cuid;
- gid_t cgid;
- mode_t mode;
- int __ipc_perm_seq;
- long __pad1;
- long __pad2;
-};
-
-#define IPC_64 0x100
--- a/arch/arm/bits/mman.h
+++ b/arch/arm/bits/mman.h
@@ -37,6 +37,7 @@
#define MCL_CURRENT 1
#define MCL_FUTURE 2
+#define MCL_ONFAULT 4
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
#define MADV_NORMAL 0
--- a/arch/arm/bits/msg.h
+++ /dev/null
@@ -1,16 +0,0 @@
-struct msqid_ds
-{
- struct ipc_perm msg_perm;
- time_t msg_stime;
- int __unused1;
- time_t msg_rtime;
- int __unused2;
- time_t msg_ctime;
- int __unused3;
- unsigned long msg_cbytes;
- msgqnum_t msg_qnum;
- msglen_t msg_qbytes;
- pid_t msg_lspid;
- pid_t msg_lrpid;
- unsigned long __unused[2];
-};
--- a/arch/arm/bits/sem.h
+++ /dev/null
@@ -1,16 +0,0 @@
-struct semid_ds {
- struct ipc_perm sem_perm;
- time_t sem_otime;
- time_t __unused1;
- time_t sem_ctime;
- time_t __unused2;
-#if __BYTE_ORDER == __LITTLE_ENDIAN
- unsigned short sem_nsems;
- char __sem_nsems_pad[sizeof(time_t)-sizeof(short)];
-#else
- char __sem_nsems_pad[sizeof(time_t)-sizeof(short)];
- unsigned short sem_nsems;
-#endif
- time_t __unused3;
- time_t __unused4;
-};
--- a/arch/arm/bits/shm.h
+++ /dev/null
@@ -1,29 +0,0 @@
-#define SHMLBA 4096
-
-struct shmid_ds
-{
- struct ipc_perm shm_perm;
- size_t shm_segsz;
- time_t shm_atime;
- int __unused1;
- time_t shm_dtime;
- int __unused2;
- time_t shm_ctime;
- int __unused3;
- pid_t shm_cpid;
- pid_t shm_lpid;
- unsigned long shm_nattch;
- unsigned long __pad1;
- unsigned long __pad2;
-};
-
-struct shminfo {
- unsigned long shmmax, shmmin, shmmni, shmseg, shmall, __unused[4];
-};
-
-struct shm_info {
- int __used_ids;
- unsigned long shm_tot, shm_rss, shm_swp;
- unsigned long __swap_attempts, __swap_successes;
-};
-
--- a/arch/arm/bits/socket.h
+++ /dev/null
@@ -1,17 +0,0 @@
-struct msghdr
-{
- void *msg_name;
- socklen_t msg_namelen;
- struct iovec *msg_iov;
- int msg_iovlen;
- void *msg_control;
- socklen_t msg_controllen;
- int msg_flags;
-};
-
-struct cmsghdr
-{
- socklen_t cmsg_len;
- int cmsg_level;
- int cmsg_type;
-};
--- a/arch/arm/bits/statfs.h
+++ /dev/null
@@ -1,7 +0,0 @@
-struct statfs {
- unsigned long f_type, f_bsize;
- fsblkcnt_t f_blocks, f_bfree, f_bavail;
- fsfilcnt_t f_files, f_ffree;
- fsid_t f_fsid;
- unsigned long f_namelen, f_frsize, f_flags, f_spare[4];
-};
--- a/arch/arm/bits/stdarg.h
+++ /dev/null
@@ -1,4 +0,0 @@
-#define va_start(v,l) __builtin_va_start(v,l)
-#define va_end(v) __builtin_va_end(v)
-#define va_arg(v,l) __builtin_va_arg(v,l)
-#define va_copy(d,s) __builtin_va_copy(d,s)
--- a/arch/arm/bits/syscall.h
+++ b/arch/arm/bits/syscall.h
@@ -341,6 +341,9 @@
#define __NR_memfd_create 385
#define __NR_bpf 386
#define __NR_execveat 387
+#define __NR_userfaultfd 388
+#define __NR_membarrier 389
+#define __NR_mlock2 390
#define __ARM_NR_breakpoint 0x0f0001
#define __ARM_NR_cacheflush 0x0f0002
@@ -693,3 +696,6 @@
#define SYS_memfd_create 385
#define SYS_bpf 386
#define SYS_execveat 387
+#define SYS_userfaultfd 388
+#define SYS_membarrier 389
+#define SYS_mlock2 390
--- a/arch/arm/bits/termios.h
+++ /dev/null
@@ -1,160 +0,0 @@
-struct termios
-{
- tcflag_t c_iflag;
- tcflag_t c_oflag;
- tcflag_t c_cflag;
- tcflag_t c_lflag;
- cc_t c_line;
- cc_t c_cc[NCCS];
- speed_t __c_ispeed;
- speed_t __c_ospeed;
-};
-
-#define VINTR 0
-#define VQUIT 1
-#define VERASE 2
-#define VKILL 3
-#define VEOF 4
-#define VTIME 5
-#define VMIN 6
-#define VSWTC 7
-#define VSTART 8
-#define VSTOP 9
-#define VSUSP 10
-#define VEOL 11
-#define VREPRINT 12
-#define VDISCARD 13
-#define VWERASE 14
-#define VLNEXT 15
-#define VEOL2 16
-
-#define IGNBRK 0000001
-#define BRKINT 0000002
-#define IGNPAR 0000004
-#define PARMRK 0000010
-#define INPCK 0000020
-#define ISTRIP 0000040
-#define INLCR 0000100
-#define IGNCR 0000200
-#define ICRNL 0000400
-#define IUCLC 0001000
-#define IXON 0002000
-#define IXANY 0004000
-#define IXOFF 0010000
-#define IMAXBEL 0020000
-#define IUTF8 0040000
-
-#define OPOST 0000001
-#define OLCUC 0000002
-#define ONLCR 0000004
-#define OCRNL 0000010
-#define ONOCR 0000020
-#define ONLRET 0000040
-#define OFILL 0000100
-#define OFDEL 0000200
-#define NLDLY 0000400
-#define NL0 0000000
-#define NL1 0000400
-#define CRDLY 0003000
-#define CR0 0000000
-#define CR1 0001000
-#define CR2 0002000
-#define CR3 0003000
-#define TABDLY 0014000
-#define TAB0 0000000
-#define TAB1 0004000
-#define TAB2 0010000
-#define TAB3 0014000
-#define BSDLY 0020000
-#define BS0 0000000
-#define BS1 0020000
-#define FFDLY 0100000
-#define FF0 0000000
-#define FF1 0100000
-
-#define VTDLY 0040000
-#define VT0 0000000
-#define VT1 0040000
-
-#define B0 0000000
-#define B50 0000001
-#define B75 0000002
-#define B110 0000003
-#define B134 0000004
-#define B150 0000005
-#define B200 0000006
-#define B300 0000007
-#define B600 0000010
-#define B1200 0000011
-#define B1800 0000012
-#define B2400 0000013
-#define B4800 0000014
-#define B9600 0000015
-#define B19200 0000016
-#define B38400 0000017
-
-#define B57600 0010001
-#define B115200 0010002
-#define B230400 0010003
-#define B460800 0010004
-#define B500000 0010005
-#define B576000 0010006
-#define B921600 0010007
-#define B1000000 0010010
-#define B1152000 0010011
-#define B1500000 0010012
-#define B2000000 0010013
-#define B2500000 0010014
-#define B3000000 0010015
-#define B3500000 0010016
-#define B4000000 0010017
-
-#define CBAUD 0010017
-
-#define CSIZE 0000060
-#define CS5 0000000
-#define CS6 0000020
-#define CS7 0000040
-#define CS8 0000060
-#define CSTOPB 0000100
-#define CREAD 0000200
-#define PARENB 0000400
-#define PARODD 0001000
-#define HUPCL 0002000
-#define CLOCAL 0004000
-
-#define ISIG 0000001
-#define ICANON 0000002
-#define ECHO 0000010
-#define ECHOE 0000020
-#define ECHOK 0000040
-#define ECHONL 0000100
-#define NOFLSH 0000200
-#define TOSTOP 0000400
-#define IEXTEN 0100000
-
-#define ECHOCTL 0001000
-#define ECHOPRT 0002000
-#define ECHOKE 0004000
-#define FLUSHO 0010000
-#define PENDIN 0040000
-
-#define TCOOFF 0
-#define TCOON 1
-#define TCIOFF 2
-#define TCION 3
-
-#define TCIFLUSH 0
-#define TCOFLUSH 1
-#define TCIOFLUSH 2
-
-#define TCSANOW 0
-#define TCSADRAIN 1
-#define TCSAFLUSH 2
-
-#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
-#define CBAUDEX 0010000
-#define CRTSCTS 020000000000
-#define EXTPROC 0200000
-#define XTABS 0014000
-#endif
--- a/arch/arm/pthread_arch.h
+++ b/arch/arm/pthread_arch.h
@@ -27,4 +27,4 @@ static inline pthread_t __pthread_self()
#define TLS_ABOVE_TP
#define TP_ADJ(p) ((char *)(p) + sizeof(struct pthread) - 8)
-#define CANCEL_REG_IP 18
+#define MC_PC arm_pc
--- a/arch/arm/reloc.h
+++ b/arch/arm/reloc.h
@@ -6,10 +6,10 @@
#define ENDIAN_SUFFIX ""
#endif
-#if __SOFTFP__
-#define FP_SUFFIX ""
-#else
+#if __ARM_PCS_VFP
#define FP_SUFFIX "hf"
+#else
+#define FP_SUFFIX ""
#endif
#define LDSO_ARCH "arm" ENDIAN_SUFFIX FP_SUFFIX
@@ -28,10 +28,5 @@
#define REL_TPOFF R_ARM_TLS_TPOFF32
//#define REL_TLSDESC R_ARM_TLS_DESC
-#ifdef __thumb__
#define CRTJMP(pc,sp) __asm__ __volatile__( \
"mov sp,%1 ; bx %0" : : "r"(pc), "r"(sp) : "memory" )
-#else
-#define CRTJMP(pc,sp) __asm__ __volatile__( \
- "mov sp,%1 ; tst %0,#1 ; moveq pc,%0 ; bx %0" : : "r"(pc), "r"(sp) : "memory" )
-#endif
--- a/arch/arm/src/__aeabi_atexit.c
+++ /dev/null
@@ -1,6 +0,0 @@
-int __cxa_atexit(void (*func)(void *), void *arg, void *dso);
-
-int __aeabi_atexit (void *obj, void (*func) (void *), void *d)
-{
- return __cxa_atexit (func, obj, d);
-}
--- a/arch/arm/src/__aeabi_memclr.c
+++ /dev/null
@@ -1,9 +0,0 @@
-#include <string.h>
-#include "libc.h"
-
-void __aeabi_memclr(void *dest, size_t n)
-{
- memset(dest, 0, n);
-}
-weak_alias(__aeabi_memclr, __aeabi_memclr4);
-weak_alias(__aeabi_memclr, __aeabi_memclr8);
--- a/arch/arm/src/__aeabi_memcpy.c
+++ /dev/null
@@ -1,9 +0,0 @@
-#include <string.h>
-#include "libc.h"
-
-void __aeabi_memcpy(void *restrict dest, const void *restrict src, size_t n)
-{
- memcpy(dest, src, n);
-}
-weak_alias(__aeabi_memcpy, __aeabi_memcpy4);
-weak_alias(__aeabi_memcpy, __aeabi_memcpy8);
--- a/arch/arm/src/__aeabi_memmove.c
+++ /dev/null
@@ -1,9 +0,0 @@
-#include <string.h>
-#include "libc.h"
-
-void __aeabi_memmove(void *dest, const void *src, size_t n)
-{
- memmove(dest, src, n);
-}
-weak_alias(__aeabi_memmove, __aeabi_memmove4);
-weak_alias(__aeabi_memmove, __aeabi_memmove8);
--- a/arch/arm/src/__aeabi_memset.c
+++ /dev/null
@@ -1,9 +0,0 @@
-#include <string.h>
-#include "libc.h"
-
-void __aeabi_memset(void *dest, size_t n, int c)
-{
- memset(dest, c, n);
-}
-weak_alias(__aeabi_memset, __aeabi_memset4);
-weak_alias(__aeabi_memset, __aeabi_memset8);
--- a/arch/arm/src/__set_thread_area.c
+++ /dev/null
@@ -1,49 +0,0 @@
-#include <stdint.h>
-#include <elf.h>
-#include "pthread_impl.h"
-#include "libc.h"
-
-#define HWCAP_TLS (1 << 15)
-
-extern const unsigned char __attribute__((__visibility__("hidden")))
- __a_barrier_dummy[], __a_barrier_oldkuser[],
- __a_barrier_v6[], __a_barrier_v7[],
- __a_cas_dummy[], __a_cas_v6[], __a_cas_v7[],
- __a_gettp_dummy[];
-
-#define __a_barrier_kuser 0xffff0fa0
-#define __a_cas_kuser 0xffff0fc0
-#define __a_gettp_kuser 0xffff0fe0
-
-extern uintptr_t __attribute__((__visibility__("hidden")))
- __a_barrier_ptr, __a_cas_ptr, __a_gettp_ptr;
-
-#define SET(op,ver) (__a_##op##_ptr = \
- (uintptr_t)__a_##op##_##ver - (uintptr_t)__a_##op##_dummy)
-
-int __set_thread_area(void *p)
-{
-#if !__ARM_ARCH_7A__ && !__ARM_ARCH_7R__ && __ARM_ARCH < 7
- if (__hwcap & HWCAP_TLS) {
- size_t *aux;
- SET(cas, v7);
- SET(barrier, v7);
- for (aux=libc.auxv; *aux; aux+=2) {
- if (*aux != AT_PLATFORM) continue;
- const char *s = (void *)aux[1];
- if (s[0]!='v' || s[1]!='6' || s[2]-'0'<10u) break;
- SET(cas, v6);
- SET(barrier, v6);
- break;
- }
- } else {
- int ver = *(int *)0xffff0ffc;
- SET(gettp, kuser);
- SET(cas, kuser);
- SET(barrier, kuser);
- if (ver < 2) a_crash();
- if (ver < 3) SET(barrier, oldkuser);
- }
-#endif
- return __syscall(0xf0005, p);
-}
--- a/arch/arm/src/arm/atomics.s
+++ /dev/null
@@ -1,116 +0,0 @@
-.text
-
-.global __a_barrier
-.hidden __a_barrier
-.type __a_barrier,%function
-__a_barrier:
- ldr ip,1f
- ldr ip,[pc,ip]
- add pc,pc,ip
-1: .word __a_barrier_ptr-1b
-.global __a_barrier_dummy
-.hidden __a_barrier_dummy
-__a_barrier_dummy:
- tst lr,#1
- moveq pc,lr
- bx lr
-.global __a_barrier_oldkuser
-.hidden __a_barrier_oldkuser
-__a_barrier_oldkuser:
- push {r0,r1,r2,r3,ip,lr}
- mov r1,r0
- mov r2,sp
- ldr ip,=0xffff0fc0
- mov lr,pc
- mov pc,ip
- pop {r0,r1,r2,r3,ip,lr}
- tst lr,#1
- moveq pc,lr
- bx lr
-.global __a_barrier_v6
-.hidden __a_barrier_v6
-__a_barrier_v6:
- mcr p15,0,r0,c7,c10,5
- bx lr
-.global __a_barrier_v7
-.hidden __a_barrier_v7
-__a_barrier_v7:
- .word 0xf57ff05b /* dmb ish */
- bx lr
-
-.global __a_cas
-.hidden __a_cas
-.type __a_cas,%function
-__a_cas:
- ldr ip,1f
- ldr ip,[pc,ip]
- add pc,pc,ip
-1: .word __a_cas_ptr-1b
-.global __a_cas_dummy
-.hidden __a_cas_dummy
-__a_cas_dummy:
- mov r3,r0
- ldr r0,[r2]
- subs r0,r3,r0
- streq r1,[r2]
- tst lr,#1
- moveq pc,lr
- bx lr
-.global __a_cas_v6
-.hidden __a_cas_v6
-__a_cas_v6:
- mov r3,r0
- mcr p15,0,r0,c7,c10,5
-1: .word 0xe1920f9f /* ldrex r0,[r2] */
- subs r0,r3,r0
- .word 0x01820f91 /* strexeq r0,r1,[r2] */
- teqeq r0,#1
- beq 1b
- mcr p15,0,r0,c7,c10,5
- bx lr
-.global __a_cas_v7
-.hidden __a_cas_v7
-__a_cas_v7:
- mov r3,r0
- .word 0xf57ff05b /* dmb ish */
-1: .word 0xe1920f9f /* ldrex r0,[r2] */
- subs r0,r3,r0
- .word 0x01820f91 /* strexeq r0,r1,[r2] */
- teqeq r0,#1
- beq 1b
- .word 0xf57ff05b /* dmb ish */
- bx lr
-
-.global __aeabi_read_tp
-.type __aeabi_read_tp,%function
-__aeabi_read_tp:
-
-.global __a_gettp
-.hidden __a_gettp
-.type __a_gettp,%function
-__a_gettp:
- ldr r0,1f
- ldr r0,[pc,r0]
- add pc,pc,r0
-1: .word __a_gettp_ptr-1b
-.global __a_gettp_dummy
-.hidden __a_gettp_dummy
-__a_gettp_dummy:
- mrc p15,0,r0,c13,c0,3
- bx lr
-
-.data
-.global __a_barrier_ptr
-.hidden __a_barrier_ptr
-__a_barrier_ptr:
- .word 0
-
-.global __a_cas_ptr
-.hidden __a_cas_ptr
-__a_cas_ptr:
- .word 0
-
-.global __a_gettp_ptr
-.hidden __a_gettp_ptr
-__a_gettp_ptr:
- .word 0
--- a/arch/arm/src/find_exidx.c
+++ /dev/null
@@ -1,42 +0,0 @@
-#define _GNU_SOURCE
-#include <link.h>
-#include <stdint.h>
-
-struct find_exidx_data {
- uintptr_t pc, exidx_start;
- int exidx_len;
-};
-
-static int find_exidx(struct dl_phdr_info *info, size_t size, void *ptr)
-{
- struct find_exidx_data *data = ptr;
- const ElfW(Phdr) *phdr = info->dlpi_phdr;
- uintptr_t addr, exidx_start = 0;
- int i, match = 0, exidx_len = 0;
-
- for (i = info->dlpi_phnum; i > 0; i--, phdr++) {
- addr = info->dlpi_addr + phdr->p_vaddr;
- switch (phdr->p_type) {
- case PT_LOAD:
- match |= data->pc >= addr && data->pc < addr + phdr->p_memsz;
- break;
- case PT_ARM_EXIDX:
- exidx_start = addr;
- exidx_len = phdr->p_memsz;
- break;
- }
- }
- data->exidx_start = exidx_start;
- data->exidx_len = exidx_len;
- return match;
-}
-
-uintptr_t __gnu_Unwind_Find_exidx(uintptr_t pc, int *pcount)
-{
- struct find_exidx_data data;
- data.pc = pc;
- if (dl_iterate_phdr(find_exidx, &data) <= 0)
- return 0;
- *pcount = data.exidx_len / 8;
- return data.exidx_start;
-}
--- /dev/null
+++ b/arch/generic/bits/errno.h
@@ -0,0 +1,134 @@
+#define EPERM 1
+#define ENOENT 2
+#define ESRCH 3
+#define EINTR 4
+#define EIO 5
+#define ENXIO 6
+#define E2BIG 7
+#define ENOEXEC 8
+#define EBADF 9
+#define ECHILD 10
+#define EAGAIN 11
+#define ENOMEM 12
+#define EACCES 13
+#define EFAULT 14
+#define ENOTBLK 15
+#define EBUSY 16
+#define EEXIST 17
+#define EXDEV 18
+#define ENODEV 19
+#define ENOTDIR 20
+#define EISDIR 21
+#define EINVAL 22
+#define ENFILE 23
+#define EMFILE 24
+#define ENOTTY 25
+#define ETXTBSY 26
+#define EFBIG 27
+#define ENOSPC 28
+#define ESPIPE 29
+#define EROFS 30
+#define EMLINK 31
+#define EPIPE 32
+#define EDOM 33
+#define ERANGE 34
+#define EDEADLK 35
+#define ENAMETOOLONG 36
+#define ENOLCK 37
+#define ENOSYS 38
+#define ENOTEMPTY 39
+#define ELOOP 40
+#define EWOULDBLOCK EAGAIN
+#define ENOMSG 42
+#define EIDRM 43
+#define ECHRNG 44
+#define EL2NSYNC 45
+#define EL3HLT 46
+#define EL3RST 47
+#define ELNRNG 48
+#define EUNATCH 49
+#define ENOCSI 50
+#define EL2HLT 51
+#define EBADE 52
+#define EBADR 53
+#define EXFULL 54
+#define ENOANO 55
+#define EBADRQC 56
+#define EBADSLT 57
+#define EDEADLOCK EDEADLK
+#define EBFONT 59
+#define ENOSTR 60
+#define ENODATA 61
+#define ETIME 62
+#define ENOSR 63
+#define ENONET 64
+#define ENOPKG 65
+#define EREMOTE 66
+#define ENOLINK 67
+#define EADV 68
+#define ESRMNT 69
+#define ECOMM 70
+#define EPROTO 71
+#define EMULTIHOP 72
+#define EDOTDOT 73
+#define EBADMSG 74
+#define EOVERFLOW 75
+#define ENOTUNIQ 76
+#define EBADFD 77
+#define EREMCHG 78
+#define ELIBACC 79
+#define ELIBBAD 80
+#define ELIBSCN 81
+#define ELIBMAX 82
+#define ELIBEXEC 83
+#define EILSEQ 84
+#define ERESTART 85
+#define ESTRPIPE 86
+#define EUSERS 87
+#define ENOTSOCK 88
+#define EDESTADDRREQ 89
+#define EMSGSIZE 90
+#define EPROTOTYPE 91
+#define ENOPROTOOPT 92
+#define EPROTONOSUPPORT 93
+#define ESOCKTNOSUPPORT 94
+#define EOPNOTSUPP 95
+#define ENOTSUP EOPNOTSUPP
+#define EPFNOSUPPORT 96
+#define EAFNOSUPPORT 97
+#define EADDRINUSE 98
+#define EADDRNOTAVAIL 99
+#define ENETDOWN 100
+#define ENETUNREACH 101
+#define ENETRESET 102
+#define ECONNABORTED 103
+#define ECONNRESET 104
+#define ENOBUFS 105
+#define EISCONN 106
+#define ENOTCONN 107
+#define ESHUTDOWN 108
+#define ETOOMANYREFS 109
+#define ETIMEDOUT 110
+#define ECONNREFUSED 111
+#define EHOSTDOWN 112
+#define EHOSTUNREACH 113
+#define EALREADY 114
+#define EINPROGRESS 115
+#define ESTALE 116
+#define EUCLEAN 117
+#define ENOTNAM 118
+#define ENAVAIL 119
+#define EISNAM 120
+#define EREMOTEIO 121
+#define EDQUOT 122
+#define ENOMEDIUM 123
+#define EMEDIUMTYPE 124
+#define ECANCELED 125
+#define ENOKEY 126
+#define EKEYEXPIRED 127
+#define EKEYREVOKED 128
+#define EKEYREJECTED 129
+#define EOWNERDEAD 130
+#define ENOTRECOVERABLE 131
+#define ERFKILL 132
+#define EHWPOISON 133
--- /dev/null
+++ b/arch/generic/bits/fcntl.h
@@ -0,0 +1,40 @@
+#define O_CREAT 0100
+#define O_EXCL 0200
+#define O_NOCTTY 0400
+#define O_TRUNC 01000
+#define O_APPEND 02000
+#define O_NONBLOCK 04000
+#define O_DSYNC 010000
+#define O_SYNC 04010000
+#define O_RSYNC 04010000
+#define O_DIRECTORY 0200000
+#define O_NOFOLLOW 0400000
+#define O_CLOEXEC 02000000
+
+#define O_ASYNC 020000
+#define O_DIRECT 040000
+#define O_LARGEFILE 0100000
+#define O_NOATIME 01000000
+#define O_PATH 010000000
+#define O_TMPFILE 020200000
+#define O_NDELAY O_NONBLOCK
+
+#define F_DUPFD 0
+#define F_GETFD 1
+#define F_SETFD 2
+#define F_GETFL 3
+#define F_SETFL 4
+
+#define F_SETOWN 8
+#define F_GETOWN 9
+#define F_SETSIG 10
+#define F_GETSIG 11
+
+#define F_GETLK 12
+#define F_SETLK 13
+#define F_SETLKW 14
+
+#define F_SETOWN_EX 15
+#define F_GETOWN_EX 16
+
+#define F_GETOWNER_UIDS 17
--- /dev/null
+++ b/arch/generic/bits/fenv.h
@@ -0,0 +1,10 @@
+#define FE_ALL_EXCEPT 0
+#define FE_TONEAREST 0
+
+typedef unsigned long fexcept_t;
+
+typedef struct {
+ unsigned long __cw;
+} fenv_t;
+
+#define FE_DFL_ENV ((const fenv_t *) -1)
--- /dev/null
+++ b/arch/generic/bits/ioctl.h
@@ -0,0 +1,197 @@
+#define _IOC(a,b,c,d) ( ((a)<<30) | ((b)<<8) | (c) | ((d)<<16) )
+#define _IOC_NONE 0U
+#define _IOC_WRITE 1U
+#define _IOC_READ 2U
+
+#define _IO(a,b) _IOC(_IOC_NONE,(a),(b),0)
+#define _IOW(a,b,c) _IOC(_IOC_WRITE,(a),(b),sizeof(c))
+#define _IOR(a,b,c) _IOC(_IOC_READ,(a),(b),sizeof(c))
+#define _IOWR(a,b,c) _IOC(_IOC_READ|_IOC_WRITE,(a),(b),sizeof(c))
+
+#define TCGETS 0x5401
+#define TCSETS 0x5402
+#define TCSETSW 0x5403
+#define TCSETSF 0x5404
+#define TCGETA 0x5405
+#define TCSETA 0x5406
+#define TCSETAW 0x5407
+#define TCSETAF 0x5408
+#define TCSBRK 0x5409
+#define TCXONC 0x540A
+#define TCFLSH 0x540B
+#define TIOCEXCL 0x540C
+#define TIOCNXCL 0x540D
+#define TIOCSCTTY 0x540E
+#define TIOCGPGRP 0x540F
+#define TIOCSPGRP 0x5410
+#define TIOCOUTQ 0x5411
+#define TIOCSTI 0x5412
+#define TIOCGWINSZ 0x5413
+#define TIOCSWINSZ 0x5414
+#define TIOCMGET 0x5415
+#define TIOCMBIS 0x5416
+#define TIOCMBIC 0x5417
+#define TIOCMSET 0x5418
+#define TIOCGSOFTCAR 0x5419
+#define TIOCSSOFTCAR 0x541A
+#define FIONREAD 0x541B
+#define TIOCINQ FIONREAD
+#define TIOCLINUX 0x541C
+#define TIOCCONS 0x541D
+#define TIOCGSERIAL 0x541E
+#define TIOCSSERIAL 0x541F
+#define TIOCPKT 0x5420
+#define FIONBIO 0x5421
+#define TIOCNOTTY 0x5422
+#define TIOCSETD 0x5423
+#define TIOCGETD 0x5424
+#define TCSBRKP 0x5425
+#define TIOCTTYGSTRUCT 0x5426
+#define TIOCSBRK 0x5427
+#define TIOCCBRK 0x5428
+#define TIOCGSID 0x5429
+#define TIOCGPTN 0x80045430
+#define TIOCSPTLCK 0x40045431
+#define TCGETX 0x5432
+#define TCSETX 0x5433
+#define TCSETXF 0x5434
+#define TCSETXW 0x5435
+
+#define FIONCLEX 0x5450
+#define FIOCLEX 0x5451
+#define FIOASYNC 0x5452
+#define TIOCSERCONFIG 0x5453
+#define TIOCSERGWILD 0x5454
+#define TIOCSERSWILD 0x5455
+#define TIOCGLCKTRMIOS 0x5456
+#define TIOCSLCKTRMIOS 0x5457
+#define TIOCSERGSTRUCT 0x5458
+#define TIOCSERGETLSR 0x5459
+#define TIOCSERGETMULTI 0x545A
+#define TIOCSERSETMULTI 0x545B
+
+#define TIOCMIWAIT 0x545C
+#define TIOCGICOUNT 0x545D
+#define TIOCGHAYESESP 0x545E
+#define TIOCSHAYESESP 0x545F
+#define FIOQSIZE 0x5460
+
+#define TIOCPKT_DATA 0
+#define TIOCPKT_FLUSHREAD 1
+#define TIOCPKT_FLUSHWRITE 2
+#define TIOCPKT_STOP 4
+#define TIOCPKT_START 8
+#define TIOCPKT_NOSTOP 16
+#define TIOCPKT_DOSTOP 32
+#define TIOCPKT_IOCTL 64
+
+#define TIOCSER_TEMT 0x01
+
+struct winsize {
+ unsigned short ws_row;
+ unsigned short ws_col;
+ unsigned short ws_xpixel;
+ unsigned short ws_ypixel;
+};
+
+#define TIOCM_LE 0x001
+#define TIOCM_DTR 0x002
+#define TIOCM_RTS 0x004
+#define TIOCM_ST 0x008
+#define TIOCM_SR 0x010
+#define TIOCM_CTS 0x020
+#define TIOCM_CAR 0x040
+#define TIOCM_RNG 0x080
+#define TIOCM_DSR 0x100
+#define TIOCM_CD TIOCM_CAR
+#define TIOCM_RI TIOCM_RNG
+#define TIOCM_OUT1 0x2000
+#define TIOCM_OUT2 0x4000
+#define TIOCM_LOOP 0x8000
+#define TIOCM_MODEM_BITS TIOCM_OUT2
+
+#define N_TTY 0
+#define N_SLIP 1
+#define N_MOUSE 2
+#define N_PPP 3
+#define N_STRIP 4
+#define N_AX25 5
+#define N_X25 6
+#define N_6PACK 7
+#define N_MASC 8
+#define N_R3964 9
+#define N_PROFIBUS_FDL 10
+#define N_IRDA 11
+#define N_SMSBLOCK 12
+#define N_HDLC 13
+#define N_SYNC_PPP 14
+#define N_HCI 15
+
+#define FIOSETOWN 0x8901
+#define SIOCSPGRP 0x8902
+#define FIOGETOWN 0x8903
+#define SIOCGPGRP 0x8904
+#define SIOCATMARK 0x8905
+#define SIOCGSTAMP 0x8906
+
+#define SIOCADDRT 0x890B
+#define SIOCDELRT 0x890C
+#define SIOCRTMSG 0x890D
+
+#define SIOCGIFNAME 0x8910
+#define SIOCSIFLINK 0x8911
+#define SIOCGIFCONF 0x8912
+#define SIOCGIFFLAGS 0x8913
+#define SIOCSIFFLAGS 0x8914
+#define SIOCGIFADDR 0x8915
+#define SIOCSIFADDR 0x8916
+#define SIOCGIFDSTADDR 0x8917
+#define SIOCSIFDSTADDR 0x8918
+#define SIOCGIFBRDADDR 0x8919
+#define SIOCSIFBRDADDR 0x891a
+#define SIOCGIFNETMASK 0x891b
+#define SIOCSIFNETMASK 0x891c
+#define SIOCGIFMETRIC 0x891d
+#define SIOCSIFMETRIC 0x891e
+#define SIOCGIFMEM 0x891f
+#define SIOCSIFMEM 0x8920
+#define SIOCGIFMTU 0x8921
+#define SIOCSIFMTU 0x8922
+#define SIOCSIFHWADDR 0x8924
+#define SIOCGIFENCAP 0x8925
+#define SIOCSIFENCAP 0x8926
+#define SIOCGIFHWADDR 0x8927
+#define SIOCGIFSLAVE 0x8929
+#define SIOCSIFSLAVE 0x8930
+#define SIOCADDMULTI 0x8931
+#define SIOCDELMULTI 0x8932
+#define SIOCGIFINDEX 0x8933
+#define SIOGIFINDEX SIOCGIFINDEX
+#define SIOCSIFPFLAGS 0x8934
+#define SIOCGIFPFLAGS 0x8935
+#define SIOCDIFADDR 0x8936
+#define SIOCSIFHWBROADCAST 0x8937
+#define SIOCGIFCOUNT 0x8938
+
+#define SIOCGIFBR 0x8940
+#define SIOCSIFBR 0x8941
+
+#define SIOCGIFTXQLEN 0x8942
+#define SIOCSIFTXQLEN 0x8943
+
+#define SIOCDARP 0x8953
+#define SIOCGARP 0x8954
+#define SIOCSARP 0x8955
+
+#define SIOCDRARP 0x8960
+#define SIOCGRARP 0x8961
+#define SIOCSRARP 0x8962
+
+#define SIOCGIFMAP 0x8970
+#define SIOCSIFMAP 0x8971
+
+#define SIOCADDDLCI 0x8980
+#define SIOCDELDLCI 0x8981
+
+#define SIOCDEVPRIVATE 0x89F0
+#define SIOCPROTOPRIVATE 0x89E0
--- /dev/null
+++ b/arch/generic/bits/ipc.h
@@ -0,0 +1,14 @@
+struct ipc_perm
+{
+ key_t __ipc_perm_key;
+ uid_t uid;
+ gid_t gid;
+ uid_t cuid;
+ gid_t cgid;
+ mode_t mode;
+ int __ipc_perm_seq;
+ long __pad1;
+ long __pad2;
+};
+
+#define IPC_64 0x100
--- /dev/null
+++ b/arch/generic/bits/msg.h
@@ -0,0 +1,16 @@
+struct msqid_ds
+{
+ struct ipc_perm msg_perm;
+ time_t msg_stime;
+ int __unused1;
+ time_t msg_rtime;
+ int __unused2;
+ time_t msg_ctime;
+ int __unused3;
+ unsigned long msg_cbytes;
+ msgqnum_t msg_qnum;
+ msglen_t msg_qbytes;
+ pid_t msg_lspid;
+ pid_t msg_lrpid;
+ unsigned long __unused[2];
+};
--- /dev/null
+++ b/arch/generic/bits/sem.h
@@ -0,0 +1,16 @@
+struct semid_ds {
+ struct ipc_perm sem_perm;
+ time_t sem_otime;
+ time_t __unused1;
+ time_t sem_ctime;
+ time_t __unused2;
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+ unsigned short sem_nsems;
+ char __sem_nsems_pad[sizeof(time_t)-sizeof(short)];
+#else
+ char __sem_nsems_pad[sizeof(time_t)-sizeof(short)];
+ unsigned short sem_nsems;
+#endif
+ time_t __unused3;
+ time_t __unused4;
+};
--- /dev/null
+++ b/arch/generic/bits/shm.h
@@ -0,0 +1,29 @@
+#define SHMLBA 4096
+
+struct shmid_ds
+{
+ struct ipc_perm shm_perm;
+ size_t shm_segsz;
+ time_t shm_atime;
+ int __unused1;
+ time_t shm_dtime;
+ int __unused2;
+ time_t shm_ctime;
+ int __unused3;
+ pid_t shm_cpid;
+ pid_t shm_lpid;
+ unsigned long shm_nattch;
+ unsigned long __pad1;
+ unsigned long __pad2;
+};
+
+struct shminfo {
+ unsigned long shmmax, shmmin, shmmni, shmseg, shmall, __unused[4];
+};
+
+struct shm_info {
+ int __used_ids;
+ unsigned long shm_tot, shm_rss, shm_swp;
+ unsigned long __swap_attempts, __swap_successes;
+};
+
--- /dev/null
+++ b/arch/generic/bits/socket.h
@@ -0,0 +1,17 @@
+struct msghdr
+{
+ void *msg_name;
+ socklen_t msg_namelen;
+ struct iovec *msg_iov;
+ int msg_iovlen;
+ void *msg_control;
+ socklen_t msg_controllen;
+ int msg_flags;
+};
+
+struct cmsghdr
+{
+ socklen_t cmsg_len;
+ int cmsg_level;
+ int cmsg_type;
+};
--- /dev/null
+++ b/arch/generic/bits/statfs.h
@@ -0,0 +1,7 @@
+struct statfs {
+ unsigned long f_type, f_bsize;
+ fsblkcnt_t f_blocks, f_bfree, f_bavail;
+ fsfilcnt_t f_files, f_ffree;
+ fsid_t f_fsid;
+ unsigned long f_namelen, f_frsize, f_flags, f_spare[4];
+};
--- /dev/null
+++ b/arch/generic/bits/stdarg.h
@@ -0,0 +1,4 @@
+#define va_start(v,l) __builtin_va_start(v,l)
+#define va_end(v) __builtin_va_end(v)
+#define va_arg(v,l) __builtin_va_arg(v,l)
+#define va_copy(d,s) __builtin_va_copy(d,s)
--- /dev/null
+++ b/arch/generic/bits/termios.h
@@ -0,0 +1,160 @@
+struct termios
+{
+ tcflag_t c_iflag;
+ tcflag_t c_oflag;
+ tcflag_t c_cflag;
+ tcflag_t c_lflag;
+ cc_t c_line;
+ cc_t c_cc[NCCS];
+ speed_t __c_ispeed;
+ speed_t __c_ospeed;
+};
+
+#define VINTR 0
+#define VQUIT 1
+#define VERASE 2
+#define VKILL 3
+#define VEOF 4
+#define VTIME 5
+#define VMIN 6
+#define VSWTC 7
+#define VSTART 8
+#define VSTOP 9
+#define VSUSP 10
+#define VEOL 11
+#define VREPRINT 12
+#define VDISCARD 13
+#define VWERASE 14
+#define VLNEXT 15
+#define VEOL2 16
+
+#define IGNBRK 0000001
+#define BRKINT 0000002
+#define IGNPAR 0000004
+#define PARMRK 0000010
+#define INPCK 0000020
+#define ISTRIP 0000040
+#define INLCR 0000100
+#define IGNCR 0000200
+#define ICRNL 0000400
+#define IUCLC 0001000
+#define IXON 0002000
+#define IXANY 0004000
+#define IXOFF 0010000
+#define IMAXBEL 0020000
+#define IUTF8 0040000
+
+#define OPOST 0000001
+#define OLCUC 0000002
+#define ONLCR 0000004
+#define OCRNL 0000010
+#define ONOCR 0000020
+#define ONLRET 0000040
+#define OFILL 0000100
+#define OFDEL 0000200
+#define NLDLY 0000400
+#define NL0 0000000
+#define NL1 0000400
+#define CRDLY 0003000
+#define CR0 0000000
+#define CR1 0001000
+#define CR2 0002000
+#define CR3 0003000
+#define TABDLY 0014000
+#define TAB0 0000000
+#define TAB1 0004000
+#define TAB2 0010000
+#define TAB3 0014000
+#define BSDLY 0020000
+#define BS0 0000000
+#define BS1 0020000
+#define FFDLY 0100000
+#define FF0 0000000
+#define FF1 0100000
+
+#define VTDLY 0040000
+#define VT0 0000000
+#define VT1 0040000
+
+#define B0 0000000
+#define B50 0000001
+#define B75 0000002
+#define B110 0000003
+#define B134 0000004
+#define B150 0000005
+#define B200 0000006
+#define B300 0000007
+#define B600 0000010
+#define B1200 0000011
+#define B1800 0000012
+#define B2400 0000013
+#define B4800 0000014
+#define B9600 0000015
+#define B19200 0000016
+#define B38400 0000017
+
+#define B57600 0010001
+#define B115200 0010002
+#define B230400 0010003
+#define B460800 0010004
+#define B500000 0010005
+#define B576000 0010006
+#define B921600 0010007
+#define B1000000 0010010
+#define B1152000 0010011
+#define B1500000 0010012
+#define B2000000 0010013
+#define B2500000 0010014
+#define B3000000 0010015
+#define B3500000 0010016
+#define B4000000 0010017
+
+#define CBAUD 0010017
+
+#define CSIZE 0000060
+#define CS5 0000000
+#define CS6 0000020
+#define CS7 0000040
+#define CS8 0000060
+#define CSTOPB 0000100
+#define CREAD 0000200
+#define PARENB 0000400
+#define PARODD 0001000
+#define HUPCL 0002000
+#define CLOCAL 0004000
+
+#define ISIG 0000001
+#define ICANON 0000002
+#define ECHO 0000010
+#define ECHOE 0000020
+#define ECHOK 0000040
+#define ECHONL 0000100
+#define NOFLSH 0000200
+#define TOSTOP 0000400
+#define IEXTEN 0100000
+
+#define ECHOCTL 0001000
+#define ECHOPRT 0002000
+#define ECHOKE 0004000
+#define FLUSHO 0010000
+#define PENDIN 0040000
+
+#define TCOOFF 0
+#define TCOON 1
+#define TCIOFF 2
+#define TCION 3
+
+#define TCIFLUSH 0
+#define TCOFLUSH 1
+#define TCIOFLUSH 2
+
+#define TCSANOW 0
+#define TCSADRAIN 1
+#define TCSAFLUSH 2
+
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+#define CBAUDEX 0010000
+#define CRTSCTS 020000000000
+#define EXTPROC 0200000
+#define XTABS 0014000
+#endif
--- a/arch/i386/atomic.h
+++ /dev/null
@@ -1,110 +0,0 @@
-#ifndef _INTERNAL_ATOMIC_H
-#define _INTERNAL_ATOMIC_H
-
-#include <stdint.h>
-
-static inline int a_ctz_64(uint64_t x)
-{
- int r;
- __asm__( "bsf %1,%0 ; jnz 1f ; bsf %2,%0 ; addl $32,%0\n1:"
- : "=&r"(r) : "r"((unsigned)x), "r"((unsigned)(x>>32)) );
- return r;
-}
-
-static inline int a_ctz_l(unsigned long x)
-{
- long r;
- __asm__( "bsf %1,%0" : "=r"(r) : "r"(x) );
- return r;
-}
-
-static inline void a_and_64(volatile uint64_t *p, uint64_t v)
-{
- __asm__( "lock ; andl %1, (%0) ; lock ; andl %2, 4(%0)"
- : : "r"((long *)p), "r"((unsigned)v), "r"((unsigned)(v>>32)) : "memory" );
-}
-
-static inline void a_or_64(volatile uint64_t *p, uint64_t v)
-{
- __asm__( "lock ; orl %1, (%0) ; lock ; orl %2, 4(%0)"
- : : "r"((long *)p), "r"((unsigned)v), "r"((unsigned)(v>>32)) : "memory" );
-}
-
-static inline void a_or_l(volatile void *p, long v)
-{
- __asm__( "lock ; orl %1, %0"
- : "=m"(*(long *)p) : "r"(v) : "memory" );
-}
-
-static inline void *a_cas_p(volatile void *p, void *t, void *s)
-{
- __asm__( "lock ; cmpxchg %3, %1"
- : "=a"(t), "=m"(*(long *)p) : "a"(t), "r"(s) : "memory" );
- return t;
-}
-
-static inline int a_cas(volatile int *p, int t, int s)
-{
- __asm__( "lock ; cmpxchg %3, %1"
- : "=a"(t), "=m"(*p) : "a"(t), "r"(s) : "memory" );
- return t;
-}
-
-static inline void a_or(volatile int *p, int v)
-{
- __asm__( "lock ; orl %1, %0"
- : "=m"(*p) : "r"(v) : "memory" );
-}
-
-static inline void a_and(volatile int *p, int v)
-{
- __asm__( "lock ; andl %1, %0"
- : "=m"(*p) : "r"(v) : "memory" );
-}
-
-static inline int a_swap(volatile int *x, int v)
-{
- __asm__( "xchg %0, %1" : "=r"(v), "=m"(*x) : "0"(v) : "memory" );
- return v;
-}
-
-#define a_xchg a_swap
-
-static inline int a_fetch_add(volatile int *x, int v)
-{
- __asm__( "lock ; xadd %0, %1" : "=r"(v), "=m"(*x) : "0"(v) : "memory" );
- return v;
-}
-
-static inline void a_inc(volatile int *x)
-{
- __asm__( "lock ; incl %0" : "=m"(*x) : "m"(*x) : "memory" );
-}
-
-static inline void a_dec(volatile int *x)
-{
- __asm__( "lock ; decl %0" : "=m"(*x) : "m"(*x) : "memory" );
-}
-
-static inline void a_store(volatile int *p, int x)
-{
- __asm__( "movl %1, %0 ; lock ; orl $0,(%%esp)" : "=m"(*p) : "r"(x) : "memory" );
-}
-
-static inline void a_spin()
-{
- __asm__ __volatile__( "pause" : : : "memory" );
-}
-
-static inline void a_barrier()
-{
- __asm__ __volatile__( "" : : : "memory" );
-}
-
-static inline void a_crash()
-{
- __asm__ __volatile__( "hlt" : : : "memory" );
-}
-
-
-#endif
--- /dev/null
+++ b/arch/i386/atomic_arch.h
@@ -0,0 +1,101 @@
+#define a_cas a_cas
+static inline int a_cas(volatile int *p, int t, int s)
+{
+ __asm__ __volatile__ (
+ "lock ; cmpxchg %3, %1"
+ : "=a"(t), "=m"(*p) : "a"(t), "r"(s) : "memory" );
+ return t;
+}
+
+#define a_swap a_swap
+static inline int a_swap(volatile int *p, int v)
+{
+ __asm__ __volatile__(
+ "xchg %0, %1"
+ : "=r"(v), "=m"(*p) : "0"(v) : "memory" );
+ return v;
+}
+
+#define a_fetch_add a_fetch_add
+static inline int a_fetch_add(volatile int *p, int v)
+{
+ __asm__ __volatile__(
+ "lock ; xadd %0, %1"
+ : "=r"(v), "=m"(*p) : "0"(v) : "memory" );
+ return v;
+}
+
+#define a_and a_and
+static inline void a_and(volatile int *p, int v)
+{
+ __asm__ __volatile__(
+ "lock ; and %1, %0"
+ : "=m"(*p) : "r"(v) : "memory" );
+}
+
+#define a_or a_or
+static inline void a_or(volatile int *p, int v)
+{
+ __asm__ __volatile__(
+ "lock ; or %1, %0"
+ : "=m"(*p) : "r"(v) : "memory" );
+}
+
+#define a_inc a_inc
+static inline void a_inc(volatile int *p)
+{
+ __asm__ __volatile__(
+ "lock ; incl %0"
+ : "=m"(*p) : "m"(*p) : "memory" );
+}
+
+#define a_dec a_dec
+static inline void a_dec(volatile int *p)
+{
+ __asm__ __volatile__(
+ "lock ; decl %0"
+ : "=m"(*p) : "m"(*p) : "memory" );
+}
+
+#define a_store a_store
+static inline void a_store(volatile int *p, int x)
+{
+ __asm__ __volatile__(
+ "mov %1, %0 ; lock ; orl $0,(%%esp)"
+ : "=m"(*p) : "r"(x) : "memory" );
+}
+
+#define a_barrier a_barrier
+static inline void a_barrier()
+{
+ __asm__ __volatile__( "" : : : "memory" );
+}
+
+#define a_pause a_pause
+static inline void a_spin()
+{
+ __asm__ __volatile__( "pause" : : : "memory" );
+}
+
+#define a_crash a_crash
+static inline void a_crash()
+{
+ __asm__ __volatile__( "hlt" : : : "memory" );
+}
+
+#define a_ctz_64 a_ctz_64
+static inline int a_ctz_64(uint64_t x)
+{
+ int r;
+ __asm__( "bsf %1,%0 ; jnz 1f ; bsf %2,%0 ; add $32,%0\n1:"
+ : "=&r"(r) : "r"((unsigned)x), "r"((unsigned)(x>>32)) );
+ return r;
+}
+
+#define a_ctz_l a_ctz_l
+static inline int a_ctz_l(unsigned long x)
+{
+ long r;
+ __asm__( "bsf %1,%0" : "=r"(r) : "r"(x) );
+ return r;
+}
--- a/arch/i386/bits/alltypes.h.in
+++ b/arch/i386/bits/alltypes.h.in
@@ -26,10 +26,12 @@ TYPEDEF long double float_t;
TYPEDEF long double double_t;
#endif
-#ifdef __cplusplus
-TYPEDEF struct { alignas(8) long long __ll; long double __ld; } max_align_t;
-#else
+#if !defined(__cplusplus)
TYPEDEF struct { _Alignas(8) long long __ll; long double __ld; } max_align_t;
+#elif defined(__GNUC__)
+TYPEDEF struct { __attribute__((__aligned__(8))) long long __ll; long double __ld; } max_align_t;
+#else
+TYPEDEF struct { alignas(8) long long __ll; long double __ld; } max_align_t;
#endif
TYPEDEF long time_t;
--- a/arch/i386/bits/errno.h
+++ /dev/null
@@ -1,134 +0,0 @@
-#define EPERM 1
-#define ENOENT 2
-#define ESRCH 3
-#define EINTR 4
-#define EIO 5
-#define ENXIO 6
-#define E2BIG 7
-#define ENOEXEC 8
-#define EBADF 9
-#define ECHILD 10
-#define EAGAIN 11
-#define ENOMEM 12
-#define EACCES 13
-#define EFAULT 14
-#define ENOTBLK 15
-#define EBUSY 16
-#define EEXIST 17
-#define EXDEV 18
-#define ENODEV 19
-#define ENOTDIR 20
-#define EISDIR 21
-#define EINVAL 22
-#define ENFILE 23
-#define EMFILE 24
-#define ENOTTY 25
-#define ETXTBSY 26
-#define EFBIG 27
-#define ENOSPC 28
-#define ESPIPE 29
-#define EROFS 30
-#define EMLINK 31
-#define EPIPE 32
-#define EDOM 33
-#define ERANGE 34
-#define EDEADLK 35
-#define ENAMETOOLONG 36
-#define ENOLCK 37
-#define ENOSYS 38
-#define ENOTEMPTY 39
-#define ELOOP 40
-#define EWOULDBLOCK EAGAIN
-#define ENOMSG 42
-#define EIDRM 43
-#define ECHRNG 44
-#define EL2NSYNC 45
-#define EL3HLT 46
-#define EL3RST 47
-#define ELNRNG 48
-#define EUNATCH 49
-#define ENOCSI 50
-#define EL2HLT 51
-#define EBADE 52
-#define EBADR 53
-#define EXFULL 54
-#define ENOANO 55
-#define EBADRQC 56
-#define EBADSLT 57
-#define EDEADLOCK EDEADLK
-#define EBFONT 59
-#define ENOSTR 60
-#define ENODATA 61
-#define ETIME 62
-#define ENOSR 63
-#define ENONET 64
-#define ENOPKG 65
-#define EREMOTE 66
-#define ENOLINK 67
-#define EADV 68
-#define ESRMNT 69
-#define ECOMM 70
-#define EPROTO 71
-#define EMULTIHOP 72
-#define EDOTDOT 73
-#define EBADMSG 74
-#define EOVERFLOW 75
-#define ENOTUNIQ 76
-#define EBADFD 77
-#define EREMCHG 78
-#define ELIBACC 79
-#define ELIBBAD 80
-#define ELIBSCN 81
-#define ELIBMAX 82
-#define ELIBEXEC 83
-#define EILSEQ 84
-#define ERESTART 85
-#define ESTRPIPE 86
-#define EUSERS 87
-#define ENOTSOCK 88
-#define EDESTADDRREQ 89
-#define EMSGSIZE 90
-#define EPROTOTYPE 91
-#define ENOPROTOOPT 92
-#define EPROTONOSUPPORT 93
-#define ESOCKTNOSUPPORT 94
-#define EOPNOTSUPP 95
-#define ENOTSUP EOPNOTSUPP
-#define EPFNOSUPPORT 96
-#define EAFNOSUPPORT 97
-#define EADDRINUSE 98
-#define EADDRNOTAVAIL 99
-#define ENETDOWN 100
-#define ENETUNREACH 101
-#define ENETRESET 102
-#define ECONNABORTED 103
-#define ECONNRESET 104
-#define ENOBUFS 105
-#define EISCONN 106
-#define ENOTCONN 107
-#define ESHUTDOWN 108
-#define ETOOMANYREFS 109
-#define ETIMEDOUT 110
-#define ECONNREFUSED 111
-#define EHOSTDOWN 112
-#define EHOSTUNREACH 113
-#define EALREADY 114
-#define EINPROGRESS 115
-#define ESTALE 116
-#define EUCLEAN 117
-#define ENOTNAM 118
-#define ENAVAIL 119
-#define EISNAM 120
-#define EREMOTEIO 121
-#define EDQUOT 122
-#define ENOMEDIUM 123
-#define EMEDIUMTYPE 124
-#define ECANCELED 125
-#define ENOKEY 126
-#define EKEYEXPIRED 127
-#define EKEYREVOKED 128
-#define EKEYREJECTED 129
-#define EOWNERDEAD 130
-#define ENOTRECOVERABLE 131
-#define ERFKILL 132
-#define EHWPOISON 133
--- a/arch/i386/bits/fcntl.h
+++ /dev/null
@@ -1,40 +0,0 @@
-#define O_CREAT 0100
-#define O_EXCL 0200
-#define O_NOCTTY 0400
-#define O_TRUNC 01000
-#define O_APPEND 02000
-#define O_NONBLOCK 04000
-#define O_DSYNC 010000
-#define O_SYNC 04010000
-#define O_RSYNC 04010000
-#define O_DIRECTORY 0200000
-#define O_NOFOLLOW 0400000
-#define O_CLOEXEC 02000000
-
-#define O_ASYNC 020000
-#define O_DIRECT 040000
-#define O_LARGEFILE 0100000
-#define O_NOATIME 01000000
-#define O_PATH 010000000
-#define O_TMPFILE 020200000
-#define O_NDELAY O_NONBLOCK
-
-#define F_DUPFD 0
-#define F_GETFD 1
-#define F_SETFD 2
-#define F_GETFL 3
-#define F_SETFL 4
-
-#define F_SETOWN 8
-#define F_GETOWN 9
-#define F_SETSIG 10
-#define F_GETSIG 11
-
-#define F_GETLK 12
-#define F_SETLK 13
-#define F_SETLKW 14
-
-#define F_SETOWN_EX 15
-#define F_GETOWN_EX 16
-
-#define F_GETOWNER_UIDS 17
--- a/arch/i386/bits/ioctl.h
+++ /dev/null
@@ -1,197 +0,0 @@
-#define _IOC(a,b,c,d) ( ((a)<<30) | ((b)<<8) | (c) | ((d)<<16) )
-#define _IOC_NONE 0U
-#define _IOC_WRITE 1U
-#define _IOC_READ 2U
-
-#define _IO(a,b) _IOC(_IOC_NONE,(a),(b),0)
-#define _IOW(a,b,c) _IOC(_IOC_WRITE,(a),(b),sizeof(c))
-#define _IOR(a,b,c) _IOC(_IOC_READ,(a),(b),sizeof(c))
-#define _IOWR(a,b,c) _IOC(_IOC_READ|_IOC_WRITE,(a),(b),sizeof(c))
-
-#define TCGETS 0x5401
-#define TCSETS 0x5402
-#define TCSETSW 0x5403
-#define TCSETSF 0x5404
-#define TCGETA 0x5405
-#define TCSETA 0x5406
-#define TCSETAW 0x5407
-#define TCSETAF 0x5408
-#define TCSBRK 0x5409
-#define TCXONC 0x540A
-#define TCFLSH 0x540B
-#define TIOCEXCL 0x540C
-#define TIOCNXCL 0x540D
-#define TIOCSCTTY 0x540E
-#define TIOCGPGRP 0x540F
-#define TIOCSPGRP 0x5410
-#define TIOCOUTQ 0x5411
-#define TIOCSTI 0x5412
-#define TIOCGWINSZ 0x5413
-#define TIOCSWINSZ 0x5414
-#define TIOCMGET 0x5415
-#define TIOCMBIS 0x5416
-#define TIOCMBIC 0x5417
-#define TIOCMSET 0x5418
-#define TIOCGSOFTCAR 0x5419
-#define TIOCSSOFTCAR 0x541A
-#define FIONREAD 0x541B
-#define TIOCINQ FIONREAD
-#define TIOCLINUX 0x541C
-#define TIOCCONS 0x541D
-#define TIOCGSERIAL 0x541E
-#define TIOCSSERIAL 0x541F
-#define TIOCPKT 0x5420
-#define FIONBIO 0x5421
-#define TIOCNOTTY 0x5422
-#define TIOCSETD 0x5423
-#define TIOCGETD 0x5424
-#define TCSBRKP 0x5425
-#define TIOCTTYGSTRUCT 0x5426
-#define TIOCSBRK 0x5427
-#define TIOCCBRK 0x5428
-#define TIOCGSID 0x5429
-#define TIOCGPTN 0x80045430
-#define TIOCSPTLCK 0x40045431
-#define TCGETX 0x5432
-#define TCSETX 0x5433
-#define TCSETXF 0x5434
-#define TCSETXW 0x5435
-
-#define FIONCLEX 0x5450
-#define FIOCLEX 0x5451
-#define FIOASYNC 0x5452
-#define TIOCSERCONFIG 0x5453
-#define TIOCSERGWILD 0x5454
-#define TIOCSERSWILD 0x5455
-#define TIOCGLCKTRMIOS 0x5456
-#define TIOCSLCKTRMIOS 0x5457
-#define TIOCSERGSTRUCT 0x5458
-#define TIOCSERGETLSR 0x5459
-#define TIOCSERGETMULTI 0x545A
-#define TIOCSERSETMULTI 0x545B
-
-#define TIOCMIWAIT 0x545C
-#define TIOCGICOUNT 0x545D
-#define TIOCGHAYESESP 0x545E
-#define TIOCSHAYESESP 0x545F
-#define FIOQSIZE 0x5460
-
-#define TIOCPKT_DATA 0
-#define TIOCPKT_FLUSHREAD 1
-#define TIOCPKT_FLUSHWRITE 2
-#define TIOCPKT_STOP 4
-#define TIOCPKT_START 8
-#define TIOCPKT_NOSTOP 16
-#define TIOCPKT_DOSTOP 32
-#define TIOCPKT_IOCTL 64
-
-#define TIOCSER_TEMT 0x01
-
-struct winsize {
- unsigned short ws_row;
- unsigned short ws_col;
- unsigned short ws_xpixel;
- unsigned short ws_ypixel;
-};
-
-#define TIOCM_LE 0x001
-#define TIOCM_DTR 0x002
-#define TIOCM_RTS 0x004
-#define TIOCM_ST 0x008
-#define TIOCM_SR 0x010
-#define TIOCM_CTS 0x020
-#define TIOCM_CAR 0x040
-#define TIOCM_RNG 0x080
-#define TIOCM_DSR 0x100
-#define TIOCM_CD TIOCM_CAR
-#define TIOCM_RI TIOCM_RNG
-#define TIOCM_OUT1 0x2000
-#define TIOCM_OUT2 0x4000
-#define TIOCM_LOOP 0x8000
-#define TIOCM_MODEM_BITS TIOCM_OUT2
-
-#define N_TTY 0
-#define N_SLIP 1
-#define N_MOUSE 2
-#define N_PPP 3
-#define N_STRIP 4
-#define N_AX25 5
-#define N_X25 6
-#define N_6PACK 7
-#define N_MASC 8
-#define N_R3964 9
-#define N_PROFIBUS_FDL 10
-#define N_IRDA 11
-#define N_SMSBLOCK 12
-#define N_HDLC 13
-#define N_SYNC_PPP 14
-#define N_HCI 15
-
-#define FIOSETOWN 0x8901
-#define SIOCSPGRP 0x8902
-#define FIOGETOWN 0x8903
-#define SIOCGPGRP 0x8904
-#define SIOCATMARK 0x8905
-#define SIOCGSTAMP 0x8906
-
-#define SIOCADDRT 0x890B
-#define SIOCDELRT 0x890C
-#define SIOCRTMSG 0x890D
-
-#define SIOCGIFNAME 0x8910
-#define SIOCSIFLINK 0x8911
-#define SIOCGIFCONF 0x8912
-#define SIOCGIFFLAGS 0x8913
-#define SIOCSIFFLAGS 0x8914
-#define SIOCGIFADDR 0x8915
-#define SIOCSIFADDR 0x8916
-#define SIOCGIFDSTADDR 0x8917
-#define SIOCSIFDSTADDR 0x8918
-#define SIOCGIFBRDADDR 0x8919
-#define SIOCSIFBRDADDR 0x891a
-#define SIOCGIFNETMASK 0x891b
-#define SIOCSIFNETMASK 0x891c
-#define SIOCGIFMETRIC 0x891d
-#define SIOCSIFMETRIC 0x891e
-#define SIOCGIFMEM 0x891f
-#define SIOCSIFMEM 0x8920
-#define SIOCGIFMTU 0x8921
-#define SIOCSIFMTU 0x8922
-#define SIOCSIFHWADDR 0x8924
-#define SIOCGIFENCAP 0x8925
-#define SIOCSIFENCAP 0x8926
-#define SIOCGIFHWADDR 0x8927
-#define SIOCGIFSLAVE 0x8929
-#define SIOCSIFSLAVE 0x8930
-#define SIOCADDMULTI 0x8931
-#define SIOCDELMULTI 0x8932
-#define SIOCGIFINDEX 0x8933
-#define SIOGIFINDEX SIOCGIFINDEX
-#define SIOCSIFPFLAGS 0x8934
-#define SIOCGIFPFLAGS 0x8935
-#define SIOCDIFADDR 0x8936
-#define SIOCSIFHWBROADCAST 0x8937
-#define SIOCGIFCOUNT 0x8938
-
-#define SIOCGIFBR 0x8940
-#define SIOCSIFBR 0x8941
-
-#define SIOCGIFTXQLEN 0x8942
-#define SIOCSIFTXQLEN 0x8943
-
-#define SIOCDARP 0x8953
-#define SIOCGARP 0x8954
-#define SIOCSARP 0x8955
-
-#define SIOCDRARP 0x8960
-#define SIOCGRARP 0x8961
-#define SIOCSRARP 0x8962
-
-#define SIOCGIFMAP 0x8970
-#define SIOCSIFMAP 0x8971
-
-#define SIOCADDDLCI 0x8980
-#define SIOCDELDLCI 0x8981
-
-#define SIOCDEVPRIVATE 0x89F0
-#define SIOCPROTOPRIVATE 0x89E0
--- a/arch/i386/bits/ipc.h
+++ /dev/null
@@ -1,14 +0,0 @@
-struct ipc_perm
-{
- key_t __ipc_perm_key;
- uid_t uid;
- gid_t gid;
- uid_t cuid;
- gid_t cgid;
- mode_t mode;
- int __ipc_perm_seq;
- long __pad1;
- long __pad2;
-};
-
-#define IPC_64 0x100
--- a/arch/i386/bits/mman.h
+++ b/arch/i386/bits/mman.h
@@ -38,6 +38,7 @@
#define MCL_CURRENT 1
#define MCL_FUTURE 2
+#define MCL_ONFAULT 4
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
#define MADV_NORMAL 0
--- a/arch/i386/bits/msg.h
+++ /dev/null
@@ -1,16 +0,0 @@
-struct msqid_ds
-{
- struct ipc_perm msg_perm;
- time_t msg_stime;
- int __unused1;
- time_t msg_rtime;
- int __unused2;
- time_t msg_ctime;
- int __unused3;
- unsigned long msg_cbytes;
- msgqnum_t msg_qnum;
- msglen_t msg_qbytes;
- pid_t msg_lspid;
- pid_t msg_lrpid;
- unsigned long __unused[2];
-};
--- a/arch/i386/bits/sem.h
+++ /dev/null
@@ -1,16 +0,0 @@
-struct semid_ds {
- struct ipc_perm sem_perm;
- time_t sem_otime;
- time_t __unused1;
- time_t sem_ctime;
- time_t __unused2;
-#if __BYTE_ORDER == __LITTLE_ENDIAN
- unsigned short sem_nsems;
- char __sem_nsems_pad[sizeof(time_t)-sizeof(short)];
-#else
- char __sem_nsems_pad[sizeof(time_t)-sizeof(short)];
- unsigned short sem_nsems;
-#endif
- time_t __unused3;
- time_t __unused4;
-};
--- a/arch/i386/bits/shm.h
+++ /dev/null
@@ -1,29 +0,0 @@
-#define SHMLBA 4096
-
-struct shmid_ds
-{
- struct ipc_perm shm_perm;
- size_t shm_segsz;
- time_t shm_atime;
- int __unused1;
- time_t shm_dtime;
- int __unused2;
- time_t shm_ctime;
- int __unused3;
- pid_t shm_cpid;
- pid_t shm_lpid;
- unsigned long shm_nattch;
- unsigned long __pad1;
- unsigned long __pad2;
-};
-
-struct shminfo {
- unsigned long shmmax, shmmin, shmmni, shmseg, shmall, __unused[4];
-};
-
-struct shm_info {
- int __used_ids;
- unsigned long shm_tot, shm_rss, shm_swp;
- unsigned long __swap_attempts, __swap_successes;
-};
-
--- a/arch/i386/bits/socket.h
+++ /dev/null
@@ -1,17 +0,0 @@
-struct msghdr
-{
- void *msg_name;
- socklen_t msg_namelen;
- struct iovec *msg_iov;
- int msg_iovlen;
- void *msg_control;
- socklen_t msg_controllen;
- int msg_flags;
-};
-
-struct cmsghdr
-{
- socklen_t cmsg_len;
- int cmsg_level;
- int cmsg_type;
-};
--- a/arch/i386/bits/statfs.h
+++ /dev/null
@@ -1,7 +0,0 @@
-struct statfs {
- unsigned long f_type, f_bsize;
- fsblkcnt_t f_blocks, f_bfree, f_bavail;
- fsfilcnt_t f_files, f_ffree;
- fsid_t f_fsid;
- unsigned long f_namelen, f_frsize, f_flags, f_spare[4];
-};
--- a/arch/i386/bits/syscall.h
+++ b/arch/i386/bits/syscall.h
@@ -357,6 +357,24 @@
#define __NR_memfd_create 356
#define __NR_bpf 357
#define __NR_execveat 358
+#define __NR_socket 359
+#define __NR_socketpair 360
+#define __NR_bind 361
+#define __NR_connect 362
+#define __NR_listen 363
+#define __NR_accept4 364
+#define __NR_getsockopt 365
+#define __NR_setsockopt 366
+#define __NR_getsockname 367
+#define __NR_getpeername 368
+#define __NR_sendto 369
+#define __NR_sendmsg 370
+#define __NR_recvfrom 371
+#define __NR_recvmsg 372
+#define __NR_shutdown 373
+#define __NR_userfaultfd 374
+#define __NR_membarrier 375
+#define __NR_mlock2 376
/* Repeated with SYS_ prefix */
@@ -720,3 +738,21 @@
#define SYS_memfd_create 356
#define SYS_bpf 357
#define SYS_execveat 358
+#define SYS_socket 359
+#define SYS_socketpair 360
+#define SYS_bind 361
+#define SYS_connect 362
+#define SYS_listen 363
+#define SYS_accept4 364
+#define SYS_getsockopt 365
+#define SYS_setsockopt 366
+#define SYS_getsockname 367
+#define SYS_getpeername 368
+#define SYS_sendto 369
+#define SYS_sendmsg 370
+#define SYS_recvfrom 371
+#define SYS_recvmsg 372
+#define SYS_shutdown 373
+#define SYS_userfaultfd 374
+#define SYS_membarrier 375
+#define SYS_mlock2 376
--- a/arch/i386/bits/termios.h
+++ /dev/null
@@ -1,160 +0,0 @@
-struct termios
-{
- tcflag_t c_iflag;
- tcflag_t c_oflag;
- tcflag_t c_cflag;
- tcflag_t c_lflag;
- cc_t c_line;
- cc_t c_cc[NCCS];
- speed_t __c_ispeed;
- speed_t __c_ospeed;
-};
-
-#define VINTR 0
-#define VQUIT 1
-#define VERASE 2
-#define VKILL 3
-#define VEOF 4
-#define VTIME 5
-#define VMIN 6
-#define VSWTC 7
-#define VSTART 8
-#define VSTOP 9
-#define VSUSP 10
-#define VEOL 11
-#define VREPRINT 12
-#define VDISCARD 13
-#define VWERASE 14
-#define VLNEXT 15
-#define VEOL2 16
-
-#define IGNBRK 0000001
-#define BRKINT 0000002
-#define IGNPAR 0000004
-#define PARMRK 0000010
-#define INPCK 0000020
-#define ISTRIP 0000040
-#define INLCR 0000100
-#define IGNCR 0000200
-#define ICRNL 0000400
-#define IUCLC 0001000
-#define IXON 0002000
-#define IXANY 0004000
-#define IXOFF 0010000
-#define IMAXBEL 0020000
-#define IUTF8 0040000
-
-#define OPOST 0000001
-#define OLCUC 0000002
-#define ONLCR 0000004
-#define OCRNL 0000010
-#define ONOCR 0000020
-#define ONLRET 0000040
-#define OFILL 0000100
-#define OFDEL 0000200
-#define NLDLY 0000400
-#define NL0 0000000
-#define NL1 0000400
-#define CRDLY 0003000
-#define CR0 0000000
-#define CR1 0001000
-#define CR2 0002000
-#define CR3 0003000
-#define TABDLY 0014000
-#define TAB0 0000000
-#define TAB1 0004000
-#define TAB2 0010000
-#define TAB3 0014000
-#define BSDLY 0020000
-#define BS0 0000000
-#define BS1 0020000
-#define FFDLY 0100000
-#define FF0 0000000
-#define FF1 0100000
-
-#define VTDLY 0040000
-#define VT0 0000000
-#define VT1 0040000
-
-#define B0 0000000
-#define B50 0000001
-#define B75 0000002
-#define B110 0000003
-#define B134 0000004
-#define B150 0000005
-#define B200 0000006
-#define B300 0000007
-#define B600 0000010
-#define B1200 0000011
-#define B1800 0000012
-#define B2400 0000013
-#define B4800 0000014
-#define B9600 0000015
-#define B19200 0000016
-#define B38400 0000017
-
-#define B57600 0010001
-#define B115200 0010002
-#define B230400 0010003
-#define B460800 0010004
-#define B500000 0010005
-#define B576000 0010006
-#define B921600 0010007
-#define B1000000 0010010
-#define B1152000 0010011
-#define B1500000 0010012
-#define B2000000 0010013
-#define B2500000 0010014
-#define B3000000 0010015
-#define B3500000 0010016
-#define B4000000 0010017
-
-#define CBAUD 0010017
-
-#define CSIZE 0000060
-#define CS5 0000000
-#define CS6 0000020
-#define CS7 0000040
-#define CS8 0000060
-#define CSTOPB 0000100
-#define CREAD 0000200
-#define PARENB 0000400
-#define PARODD 0001000
-#define HUPCL 0002000
-#define CLOCAL 0004000
-
-#define ISIG 0000001
-#define ICANON 0000002
-#define ECHO 0000010
-#define ECHOE 0000020
-#define ECHOK 0000040
-#define ECHONL 0000100
-#define NOFLSH 0000200
-#define TOSTOP 0000400
-#define IEXTEN 0100000
-
-#define ECHOCTL 0001000
-#define ECHOPRT 0002000
-#define ECHOKE 0004000
-#define FLUSHO 0010000
-#define PENDIN 0040000
-
-#define TCOOFF 0
-#define TCOON 1
-#define TCIOFF 2
-#define TCION 3
-
-#define TCIFLUSH 0
-#define TCOFLUSH 1
-#define TCIOFLUSH 2
-
-#define TCSANOW 0
-#define TCSADRAIN 1
-#define TCSAFLUSH 2
-
-#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
-#define CBAUDEX 0010000
-#define CRTSCTS 020000000000
-#define EXTPROC 0200000
-#define XTABS 0014000
-#endif
--- a/arch/i386/pthread_arch.h
+++ b/arch/i386/pthread_arch.h
@@ -7,4 +7,4 @@ static inline struct pthread *__pthread_
#define TP_ADJ(p) (p)
-#define CANCEL_REG_IP 14
+#define MC_PC gregs[REG_EIP]
--- a/arch/i386/syscall_arch.h
+++ b/arch/i386/syscall_arch.h
@@ -55,3 +55,5 @@ static inline long __syscall6(long n, lo
#define VDSO_USEFUL
#define VDSO_CGT_SYM "__vdso_clock_gettime"
#define VDSO_CGT_VER "LINUX_2.6"
+
+#define SYSCALL_USE_SOCKETCALL
--- a/arch/microblaze/atomic.h
+++ /dev/null
@@ -1,143 +0,0 @@
-#ifndef _INTERNAL_ATOMIC_H
-#define _INTERNAL_ATOMIC_H
-
-#include <stdint.h>
-
-static inline int a_ctz_l(unsigned long x)
-{
- static const char debruijn32[32] = {
- 0, 1, 23, 2, 29, 24, 19, 3, 30, 27, 25, 11, 20, 8, 4, 13,
- 31, 22, 28, 18, 26, 10, 7, 12, 21, 17, 9, 6, 16, 5, 15, 14
- };
- return debruijn32[(x&-x)*0x076be629 >> 27];
-}
-
-static inline int a_ctz_64(uint64_t x)
-{
- uint32_t y = x;
- if (!y) {
- y = x>>32;
- return 32 + a_ctz_l(y);
- }
- return a_ctz_l(y);
-}
-
-static inline int a_cas(volatile int *p, int t, int s)
-{
- register int old, tmp;
- __asm__ __volatile__ (
- " addi %0, r0, 0\n"
- "1: lwx %0, %2, r0\n"
- " rsubk %1, %0, %3\n"
- " bnei %1, 1f\n"
- " swx %4, %2, r0\n"
- " addic %1, r0, 0\n"
- " bnei %1, 1b\n"
- "1: "
- : "=&r"(old), "=&r"(tmp)
- : "r"(p), "r"(t), "r"(s)
- : "cc", "memory" );
- return old;
-}
-
-static inline void *a_cas_p(volatile void *p, void *t, void *s)
-{
- return (void *)a_cas(p, (int)t, (int)s);
-}
-
-static inline int a_swap(volatile int *x, int v)
-{
- register int old, tmp;
- __asm__ __volatile__ (
- " addi %0, r0, 0\n"
- "1: lwx %0, %2, r0\n"
- " swx %3, %2, r0\n"
- " addic %1, r0, 0\n"
- " bnei %1, 1b\n"
- "1: "
- : "=&r"(old), "=&r"(tmp)
- : "r"(x), "r"(v)
- : "cc", "memory" );
- return old;
-}
-
-static inline int a_fetch_add(volatile int *x, int v)
-{
- register int new, tmp;
- __asm__ __volatile__ (
- " addi %0, r0, 0\n"
- "1: lwx %0, %2, r0\n"
- " addk %0, %0, %3\n"
- " swx %0, %2, r0\n"
- " addic %1, r0, 0\n"
- " bnei %1, 1b\n"
- "1: "
- : "=&r"(new), "=&r"(tmp)
- : "r"(x), "r"(v)
- : "cc", "memory" );
- return new-v;
-}
-
-static inline void a_inc(volatile int *x)
-{
- a_fetch_add(x, 1);
-}
-
-static inline void a_dec(volatile int *x)
-{
- a_fetch_add(x, -1);
-}
-
-static inline void a_store(volatile int *p, int x)
-{
- __asm__ __volatile__ (
- "swi %1, %0"
- : "=m"(*p) : "r"(x) : "memory" );
-}
-
-#define a_spin a_barrier
-
-static inline void a_barrier()
-{
- a_cas(&(int){0}, 0, 0);
-}
-
-static inline void a_crash()
-{
- *(volatile char *)0=0;
-}
-
-static inline void a_and(volatile int *p, int v)
-{
- int old;
- do old = *p;
- while (a_cas(p, old, old&v) != old);
-}
-
-static inline void a_or(volatile int *p, int v)
-{
- int old;
- do old = *p;
- while (a_cas(p, old, old|v) != old);
-}
-
-static inline void a_or_l(volatile void *p, long v)
-{
- a_or(p, v);
-}
-
-static inline void a_and_64(volatile uint64_t *p, uint64_t v)
-{
- union { uint64_t v; uint32_t r[2]; } u = { v };
- a_and((int *)p, u.r[0]);
- a_and((int *)p+1, u.r[1]);
-}
-
-static inline void a_or_64(volatile uint64_t *p, uint64_t v)
-{
- union { uint64_t v; uint32_t r[2]; } u = { v };
- a_or((int *)p, u.r[0]);
- a_or((int *)p+1, u.r[1]);
-}
-
-#endif
--- /dev/null
+++ b/arch/microblaze/atomic_arch.h
@@ -0,0 +1,53 @@
+#define a_cas a_cas
+static inline int a_cas(volatile int *p, int t, int s)
+{
+ register int old, tmp;
+ __asm__ __volatile__ (
+ " addi %0, r0, 0\n"
+ "1: lwx %0, %2, r0\n"
+ " rsubk %1, %0, %3\n"
+ " bnei %1, 1f\n"
+ " swx %4, %2, r0\n"
+ " addic %1, r0, 0\n"
+ " bnei %1, 1b\n"
+ "1: "
+ : "=&r"(old), "=&r"(tmp)
+ : "r"(p), "r"(t), "r"(s)
+ : "cc", "memory" );
+ return old;
+}
+
+#define a_swap a_swap
+static inline int a_swap(volatile int *x, int v)
+{
+ register int old, tmp;
+ __asm__ __volatile__ (
+ " addi %0, r0, 0\n"
+ "1: lwx %0, %2, r0\n"
+ " swx %3, %2, r0\n"
+ " addic %1, r0, 0\n"
+ " bnei %1, 1b\n"
+ "1: "
+ : "=&r"(old), "=&r"(tmp)
+ : "r"(x), "r"(v)
+ : "cc", "memory" );
+ return old;
+}
+
+#define a_fetch_add a_fetch_add
+static inline int a_fetch_add(volatile int *x, int v)
+{
+ register int new, tmp;
+ __asm__ __volatile__ (
+ " addi %0, r0, 0\n"
+ "1: lwx %0, %2, r0\n"
+ " addk %0, %0, %3\n"
+ " swx %0, %2, r0\n"
+ " addic %1, r0, 0\n"
+ " bnei %1, 1b\n"
+ "1: "
+ : "=&r"(new), "=&r"(tmp)
+ : "r"(x), "r"(v)
+ : "cc", "memory" );
+ return new-v;
+}
--- a/arch/microblaze/bits/errno.h
+++ /dev/null
@@ -1,134 +0,0 @@
-#define EPERM 1
-#define ENOENT 2
-#define ESRCH 3
-#define EINTR 4
-#define EIO 5
-#define ENXIO 6
-#define E2BIG 7
-#define ENOEXEC 8
-#define EBADF 9
-#define ECHILD 10
-#define EAGAIN 11
-#define ENOMEM 12
-#define EACCES 13
-#define EFAULT 14
-#define ENOTBLK 15
-#define EBUSY 16
-#define EEXIST 17
-#define EXDEV 18
-#define ENODEV 19
-#define ENOTDIR 20
-#define EISDIR 21
-#define EINVAL 22
-#define ENFILE 23
-#define EMFILE 24
-#define ENOTTY 25
-#define ETXTBSY 26
-#define EFBIG 27
-#define ENOSPC 28
-#define ESPIPE 29
-#define EROFS 30
-#define EMLINK 31
-#define EPIPE 32
-#define EDOM 33
-#define ERANGE 34
-#define EDEADLK 35
-#define ENAMETOOLONG 36
-#define ENOLCK 37
-#define ENOSYS 38
-#define ENOTEMPTY 39
-#define ELOOP 40
-#define EWOULDBLOCK EAGAIN
-#define ENOMSG 42
-#define EIDRM 43
-#define ECHRNG 44
-#define EL2NSYNC 45
-#define EL3HLT 46
-#define EL3RST 47
-#define ELNRNG 48
-#define EUNATCH 49
-#define ENOCSI 50
-#define EL2HLT 51
-#define EBADE 52
-#define EBADR 53
-#define EXFULL 54
-#define ENOANO 55
-#define EBADRQC 56
-#define EBADSLT 57
-#define EDEADLOCK EDEADLK
-#define EBFONT 59
-#define ENOSTR 60
-#define ENODATA 61
-#define ETIME 62
-#define ENOSR 63
-#define ENONET 64
-#define ENOPKG 65
-#define EREMOTE 66
-#define ENOLINK 67
-#define EADV 68
-#define ESRMNT 69
-#define ECOMM 70
-#define EPROTO 71
-#define EMULTIHOP 72
-#define EDOTDOT 73
-#define EBADMSG 74
-#define EOVERFLOW 75
-#define ENOTUNIQ 76
-#define EBADFD 77
-#define EREMCHG 78
-#define ELIBACC 79
-#define ELIBBAD 80
-#define ELIBSCN 81
-#define ELIBMAX 82
-#define ELIBEXEC 83
-#define EILSEQ 84
-#define ERESTART 85
-#define ESTRPIPE 86
-#define EUSERS 87
-#define ENOTSOCK 88
-#define EDESTADDRREQ 89
-#define EMSGSIZE 90
-#define EPROTOTYPE 91
-#define ENOPROTOOPT 92
-#define EPROTONOSUPPORT 93
-#define ESOCKTNOSUPPORT 94
-#define EOPNOTSUPP 95
-#define ENOTSUP EOPNOTSUPP
-#define EPFNOSUPPORT 96
-#define EAFNOSUPPORT 97
-#define EADDRINUSE 98
-#define EADDRNOTAVAIL 99
-#define ENETDOWN 100
-#define ENETUNREACH 101
-#define ENETRESET 102
-#define ECONNABORTED 103
-#define ECONNRESET 104
-#define ENOBUFS 105
-#define EISCONN 106
-#define ENOTCONN 107
-#define ESHUTDOWN 108
-#define ETOOMANYREFS 109
-#define ETIMEDOUT 110
-#define ECONNREFUSED 111
-#define EHOSTDOWN 112
-#define EHOSTUNREACH 113
-#define EALREADY 114
-#define EINPROGRESS 115
-#define ESTALE 116
-#define EUCLEAN 117
-#define ENOTNAM 118
-#define ENAVAIL 119
-#define EISNAM 120
-#define EREMOTEIO 121
-#define EDQUOT 122
-#define ENOMEDIUM 123
-#define EMEDIUMTYPE 124
-#define ECANCELED 125
-#define ENOKEY 126
-#define EKEYEXPIRED 127
-#define EKEYREVOKED 128
-#define EKEYREJECTED 129
-#define EOWNERDEAD 130
-#define ENOTRECOVERABLE 131
-#define ERFKILL 132
-#define EHWPOISON 133
--- a/arch/microblaze/bits/fcntl.h
+++ /dev/null
@@ -1,40 +0,0 @@
-#define O_CREAT 0100
-#define O_EXCL 0200
-#define O_NOCTTY 0400
-#define O_TRUNC 01000
-#define O_APPEND 02000
-#define O_NONBLOCK 04000
-#define O_DSYNC 010000
-#define O_SYNC 04010000
-#define O_RSYNC 04010000
-#define O_DIRECTORY 0200000
-#define O_NOFOLLOW 0400000
-#define O_CLOEXEC 02000000
-
-#define O_ASYNC 020000
-#define O_DIRECT 040000
-#define O_LARGEFILE 0100000
-#define O_NOATIME 01000000
-#define O_PATH 010000000
-#define O_TMPFILE 020200000
-#define O_NDELAY O_NONBLOCK
-
-#define F_DUPFD 0
-#define F_GETFD 1
-#define F_SETFD 2
-#define F_GETFL 3
-#define F_SETFL 4
-
-#define F_SETOWN 8
-#define F_GETOWN 9
-#define F_SETSIG 10
-#define F_GETSIG 11
-
-#define F_GETLK 12
-#define F_SETLK 13
-#define F_SETLKW 14
-
-#define F_SETOWN_EX 15
-#define F_GETOWN_EX 16
-
-#define F_GETOWNER_UIDS 17
--- a/arch/microblaze/bits/fenv.h
+++ /dev/null
@@ -1,10 +0,0 @@
-#define FE_ALL_EXCEPT 0
-#define FE_TONEAREST 0
-
-typedef unsigned long fexcept_t;
-
-typedef struct {
- unsigned long __cw;
-} fenv_t;
-
-#define FE_DFL_ENV ((const fenv_t *) -1)
--- a/arch/microblaze/bits/ioctl.h
+++ /dev/null
@@ -1,197 +0,0 @@
-#define _IOC(a,b,c,d) ( ((a)<<30) | ((b)<<8) | (c) | ((d)<<16) )
-#define _IOC_NONE 0U
-#define _IOC_WRITE 1U
-#define _IOC_READ 2U
-
-#define _IO(a,b) _IOC(_IOC_NONE,(a),(b),0)
-#define _IOW(a,b,c) _IOC(_IOC_WRITE,(a),(b),sizeof(c))
-#define _IOR(a,b,c) _IOC(_IOC_READ,(a),(b),sizeof(c))
-#define _IOWR(a,b,c) _IOC(_IOC_READ|_IOC_WRITE,(a),(b),sizeof(c))
-
-#define TCGETS 0x5401
-#define TCSETS 0x5402
-#define TCSETSW 0x5403
-#define TCSETSF 0x5404
-#define TCGETA 0x5405
-#define TCSETA 0x5406
-#define TCSETAW 0x5407
-#define TCSETAF 0x5408
-#define TCSBRK 0x5409
-#define TCXONC 0x540A
-#define TCFLSH 0x540B
-#define TIOCEXCL 0x540C
-#define TIOCNXCL 0x540D
-#define TIOCSCTTY 0x540E
-#define TIOCGPGRP 0x540F
-#define TIOCSPGRP 0x5410
-#define TIOCOUTQ 0x5411
-#define TIOCSTI 0x5412
-#define TIOCGWINSZ 0x5413
-#define TIOCSWINSZ 0x5414
-#define TIOCMGET 0x5415
-#define TIOCMBIS 0x5416
-#define TIOCMBIC 0x5417
-#define TIOCMSET 0x5418
-#define TIOCGSOFTCAR 0x5419
-#define TIOCSSOFTCAR 0x541A
-#define FIONREAD 0x541B
-#define TIOCINQ FIONREAD
-#define TIOCLINUX 0x541C
-#define TIOCCONS 0x541D
-#define TIOCGSERIAL 0x541E
-#define TIOCSSERIAL 0x541F
-#define TIOCPKT 0x5420
-#define FIONBIO 0x5421
-#define TIOCNOTTY 0x5422
-#define TIOCSETD 0x5423
-#define TIOCGETD 0x5424
-#define TCSBRKP 0x5425
-#define TIOCTTYGSTRUCT 0x5426
-#define TIOCSBRK 0x5427
-#define TIOCCBRK 0x5428
-#define TIOCGSID 0x5429
-#define TIOCGPTN 0x80045430
-#define TIOCSPTLCK 0x40045431
-#define TCGETX 0x5432
-#define TCSETX 0x5433
-#define TCSETXF 0x5434
-#define TCSETXW 0x5435
-
-#define FIONCLEX 0x5450
-#define FIOCLEX 0x5451
-#define FIOASYNC 0x5452
-#define TIOCSERCONFIG 0x5453
-#define TIOCSERGWILD 0x5454
-#define TIOCSERSWILD 0x5455
-#define TIOCGLCKTRMIOS 0x5456
-#define TIOCSLCKTRMIOS 0x5457
-#define TIOCSERGSTRUCT 0x5458
-#define TIOCSERGETLSR 0x5459
-#define TIOCSERGETMULTI 0x545A
-#define TIOCSERSETMULTI 0x545B
-
-#define TIOCMIWAIT 0x545C
-#define TIOCGICOUNT 0x545D
-#define TIOCGHAYESESP 0x545E
-#define TIOCSHAYESESP 0x545F
-#define FIOQSIZE 0x5460
-
-#define TIOCPKT_DATA 0
-#define TIOCPKT_FLUSHREAD 1
-#define TIOCPKT_FLUSHWRITE 2
-#define TIOCPKT_STOP 4
-#define TIOCPKT_START 8
-#define TIOCPKT_NOSTOP 16
-#define TIOCPKT_DOSTOP 32
-#define TIOCPKT_IOCTL 64
-
-#define TIOCSER_TEMT 0x01
-
-struct winsize {
- unsigned short ws_row;
- unsigned short ws_col;
- unsigned short ws_xpixel;
- unsigned short ws_ypixel;
-};
-
-#define TIOCM_LE 0x001
-#define TIOCM_DTR 0x002
-#define TIOCM_RTS 0x004
-#define TIOCM_ST 0x008
-#define TIOCM_SR 0x010
-#define TIOCM_CTS 0x020
-#define TIOCM_CAR 0x040
-#define TIOCM_RNG 0x080
-#define TIOCM_DSR 0x100
-#define TIOCM_CD TIOCM_CAR
-#define TIOCM_RI TIOCM_RNG
-#define TIOCM_OUT1 0x2000
-#define TIOCM_OUT2 0x4000
-#define TIOCM_LOOP 0x8000
-#define TIOCM_MODEM_BITS TIOCM_OUT2
-
-#define N_TTY 0
-#define N_SLIP 1
-#define N_MOUSE 2
-#define N_PPP 3
-#define N_STRIP 4
-#define N_AX25 5
-#define N_X25 6
-#define N_6PACK 7
-#define N_MASC 8
-#define N_R3964 9
-#define N_PROFIBUS_FDL 10
-#define N_IRDA 11
-#define N_SMSBLOCK 12
-#define N_HDLC 13
-#define N_SYNC_PPP 14
-#define N_HCI 15
-
-#define FIOSETOWN 0x8901
-#define SIOCSPGRP 0x8902
-#define FIOGETOWN 0x8903
-#define SIOCGPGRP 0x8904
-#define SIOCATMARK 0x8905
-#define SIOCGSTAMP 0x8906
-
-#define SIOCADDRT 0x890B
-#define SIOCDELRT 0x890C
-#define SIOCRTMSG 0x890D
-
-#define SIOCGIFNAME 0x8910
-#define SIOCSIFLINK 0x8911
-#define SIOCGIFCONF 0x8912
-#define SIOCGIFFLAGS 0x8913
-#define SIOCSIFFLAGS 0x8914
-#define SIOCGIFADDR 0x8915
-#define SIOCSIFADDR 0x8916
-#define SIOCGIFDSTADDR 0x8917
-#define SIOCSIFDSTADDR 0x8918
-#define SIOCGIFBRDADDR 0x8919
-#define SIOCSIFBRDADDR 0x891a
-#define SIOCGIFNETMASK 0x891b
-#define SIOCSIFNETMASK 0x891c
-#define SIOCGIFMETRIC 0x891d
-#define SIOCSIFMETRIC 0x891e
-#define SIOCGIFMEM 0x891f
-#define SIOCSIFMEM 0x8920
-#define SIOCGIFMTU 0x8921
-#define SIOCSIFMTU 0x8922
-#define SIOCSIFHWADDR 0x8924
-#define SIOCGIFENCAP 0x8925
-#define SIOCSIFENCAP 0x8926
-#define SIOCGIFHWADDR 0x8927
-#define SIOCGIFSLAVE 0x8929
-#define SIOCSIFSLAVE 0x8930
-#define SIOCADDMULTI 0x8931
-#define SIOCDELMULTI 0x8932
-#define SIOCGIFINDEX 0x8933
-#define SIOGIFINDEX SIOCGIFINDEX
-#define SIOCSIFPFLAGS 0x8934
-#define SIOCGIFPFLAGS 0x8935
-#define SIOCDIFADDR 0x8936
-#define SIOCSIFHWBROADCAST 0x8937
-#define SIOCGIFCOUNT 0x8938
-
-#define SIOCGIFBR 0x8940
-#define SIOCSIFBR 0x8941
-
-#define SIOCGIFTXQLEN 0x8942
-#define SIOCSIFTXQLEN 0x8943
-
-#define SIOCDARP 0x8953
-#define SIOCGARP 0x8954
-#define SIOCSARP 0x8955
-
-#define SIOCDRARP 0x8960
-#define SIOCGRARP 0x8961
-#define SIOCSRARP 0x8962
-
-#define SIOCGIFMAP 0x8970
-#define SIOCSIFMAP 0x8971
-
-#define SIOCADDDLCI 0x8980
-#define SIOCDELDLCI 0x8981
-
-#define SIOCDEVPRIVATE 0x89F0
-#define SIOCPROTOPRIVATE 0x89E0
--- a/arch/microblaze/bits/ipc.h
+++ /dev/null
@@ -1,14 +0,0 @@
-struct ipc_perm
-{
- key_t __ipc_perm_key;
- uid_t uid;
- gid_t gid;
- uid_t cuid;
- gid_t cgid;
- mode_t mode;
- int __ipc_perm_seq;
- long __pad1;
- long __pad2;
-};
-
-#define IPC_64 0x100
--- a/arch/microblaze/bits/mman.h
+++ b/arch/microblaze/bits/mman.h
@@ -37,6 +37,7 @@
#define MCL_CURRENT 1
#define MCL_FUTURE 2
+#define MCL_ONFAULT 4
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
#define MADV_NORMAL 0
--- a/arch/microblaze/bits/msg.h
+++ /dev/null
@@ -1,16 +0,0 @@
-struct msqid_ds
-{
- struct ipc_perm msg_perm;
- time_t msg_stime;
- int __unused1;
- time_t msg_rtime;
- int __unused2;
- time_t msg_ctime;
- int __unused3;
- unsigned long msg_cbytes;
- msgqnum_t msg_qnum;
- msglen_t msg_qbytes;
- pid_t msg_lspid;
- pid_t msg_lrpid;
- unsigned long __unused[2];
-};
--- a/arch/microblaze/bits/sem.h
+++ /dev/null
@@ -1,16 +0,0 @@
-struct semid_ds {
- struct ipc_perm sem_perm;
- time_t sem_otime;
- time_t __unused1;
- time_t sem_ctime;
- time_t __unused2;
-#if __BYTE_ORDER == __LITTLE_ENDIAN
- unsigned short sem_nsems;
- char __sem_nsems_pad[sizeof(time_t)-sizeof(short)];
-#else
- char __sem_nsems_pad[sizeof(time_t)-sizeof(short)];
- unsigned short sem_nsems;
-#endif
- time_t __unused3;
- time_t __unused4;
-};
--- a/arch/microblaze/bits/shm.h
+++ /dev/null
@@ -1,29 +0,0 @@
-#define SHMLBA 4096
-
-struct shmid_ds
-{
- struct ipc_perm shm_perm;
- size_t shm_segsz;
- time_t shm_atime;
- int __unused1;
- time_t shm_dtime;
- int __unused2;
- time_t shm_ctime;
- int __unused3;
- pid_t shm_cpid;
- pid_t shm_lpid;
- unsigned long shm_nattch;
- unsigned long __pad1;
- unsigned long __pad2;
-};
-
-struct shminfo {
- unsigned long shmmax, shmmin, shmmni, shmseg, shmall, __unused[4];
-};
-
-struct shm_info {
- int __used_ids;
- unsigned long shm_tot, shm_rss, shm_swp;
- unsigned long __swap_attempts, __swap_successes;
-};
-
--- a/arch/microblaze/bits/socket.h
+++ /dev/null
@@ -1,17 +0,0 @@
-struct msghdr
-{
- void *msg_name;
- socklen_t msg_namelen;
- struct iovec *msg_iov;
- int msg_iovlen;
- void *msg_control;
- socklen_t msg_controllen;
- int msg_flags;
-};
-
-struct cmsghdr
-{
- socklen_t cmsg_len;
- int cmsg_level;
- int cmsg_type;
-};
--- a/arch/microblaze/bits/statfs.h
+++ /dev/null
@@ -1,7 +0,0 @@
-struct statfs {
- unsigned long f_type, f_bsize;
- fsblkcnt_t f_blocks, f_bfree, f_bavail;
- fsfilcnt_t f_files, f_ffree;
- fsid_t f_fsid;
- unsigned long f_namelen, f_frsize, f_flags, f_spare[4];
-};
--- a/arch/microblaze/bits/stdarg.h
+++ /dev/null
@@ -1,4 +0,0 @@
-#define va_start(v,l) __builtin_va_start(v,l)
-#define va_end(v) __builtin_va_end(v)
-#define va_arg(v,l) __builtin_va_arg(v,l)
-#define va_copy(d,s) __builtin_va_copy(d,s)
--- a/arch/microblaze/bits/termios.h
+++ /dev/null
@@ -1,160 +0,0 @@
-struct termios
-{
- tcflag_t c_iflag;
- tcflag_t c_oflag;
- tcflag_t c_cflag;
- tcflag_t c_lflag;
- cc_t c_line;
- cc_t c_cc[NCCS];
- speed_t __c_ispeed;
- speed_t __c_ospeed;
-};
-
-#define VINTR 0
-#define VQUIT 1
-#define VERASE 2
-#define VKILL 3
-#define VEOF 4
-#define VTIME 5
-#define VMIN 6
-#define VSWTC 7
-#define VSTART 8
-#define VSTOP 9
-#define VSUSP 10
-#define VEOL 11
-#define VREPRINT 12
-#define VDISCARD 13
-#define VWERASE 14
-#define VLNEXT 15
-#define VEOL2 16
-
-#define IGNBRK 0000001
-#define BRKINT 0000002
-#define IGNPAR 0000004
-#define PARMRK 0000010
-#define INPCK 0000020
-#define ISTRIP 0000040
-#define INLCR 0000100
-#define IGNCR 0000200
-#define ICRNL 0000400
-#define IUCLC 0001000
-#define IXON 0002000
-#define IXANY 0004000
-#define IXOFF 0010000
-#define IMAXBEL 0020000
-#define IUTF8 0040000
-
-#define OPOST 0000001
-#define OLCUC 0000002
-#define ONLCR 0000004
-#define OCRNL 0000010
-#define ONOCR 0000020
-#define ONLRET 0000040
-#define OFILL 0000100
-#define OFDEL 0000200
-#define NLDLY 0000400
-#define NL0 0000000
-#define NL1 0000400
-#define CRDLY 0003000
-#define CR0 0000000
-#define CR1 0001000
-#define CR2 0002000
-#define CR3 0003000
-#define TABDLY 0014000
-#define TAB0 0000000
-#define TAB1 0004000
-#define TAB2 0010000
-#define TAB3 0014000
-#define BSDLY 0020000
-#define BS0 0000000
-#define BS1 0020000
-#define FFDLY 0100000
-#define FF0 0000000
-#define FF1 0100000
-
-#define VTDLY 0040000
-#define VT0 0000000
-#define VT1 0040000
-
-#define B0 0000000
-#define B50 0000001
-#define B75 0000002
-#define B110 0000003
-#define B134 0000004
-#define B150 0000005
-#define B200 0000006
-#define B300 0000007
-#define B600 0000010
-#define B1200 0000011
-#define B1800 0000012
-#define B2400 0000013
-#define B4800 0000014
-#define B9600 0000015
-#define B19200 0000016
-#define B38400 0000017
-
-#define B57600 0010001
-#define B115200 0010002
-#define B230400 0010003
-#define B460800 0010004
-#define B500000 0010005
-#define B576000 0010006
-#define B921600 0010007
-#define B1000000 0010010
-#define B1152000 0010011
-#define B1500000 0010012
-#define B2000000 0010013
-#define B2500000 0010014
-#define B3000000 0010015
-#define B3500000 0010016
-#define B4000000 0010017
-
-#define CBAUD 0010017
-
-#define CSIZE 0000060
-#define CS5 0000000
-#define CS6 0000020
-#define CS7 0000040
-#define CS8 0000060
-#define CSTOPB 0000100
-#define CREAD 0000200
-#define PARENB 0000400
-#define PARODD 0001000
-#define HUPCL 0002000
-#define CLOCAL 0004000
-
-#define ISIG 0000001
-#define ICANON 0000002
-#define ECHO 0000010
-#define ECHOE 0000020
-#define ECHOK 0000040
-#define ECHONL 0000100
-#define NOFLSH 0000200
-#define TOSTOP 0000400
-#define IEXTEN 0100000
-
-#define ECHOCTL 0001000
-#define ECHOPRT 0002000
-#define ECHOKE 0004000
-#define FLUSHO 0010000
-#define PENDIN 0040000
-
-#define TCOOFF 0
-#define TCOON 1
-#define TCIOFF 2
-#define TCION 3
-
-#define TCIFLUSH 0
-#define TCOFLUSH 1
-#define TCIOFLUSH 2
-
-#define TCSANOW 0
-#define TCSADRAIN 1
-#define TCSAFLUSH 2
-
-#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
-#define CBAUDEX 0010000
-#define CRTSCTS 020000000000
-#define EXTPROC 0200000
-#define XTABS 0014000
-#endif
--- a/arch/microblaze/pthread_arch.h
+++ b/arch/microblaze/pthread_arch.h
@@ -7,4 +7,4 @@ static inline struct pthread *__pthread_
#define TP_ADJ(p) (p)
-#define CANCEL_REG_IP 32
+#define MC_PC regs.pc
--- a/arch/mips/atomic.h
+++ /dev/null
@@ -1,205 +0,0 @@
-#ifndef _INTERNAL_ATOMIC_H
-#define _INTERNAL_ATOMIC_H
-
-#include <stdint.h>
-
-static inline int a_ctz_l(unsigned long x)
-{
- static const char debruijn32[32] = {
- 0, 1, 23, 2, 29, 24, 19, 3, 30, 27, 25, 11, 20, 8, 4, 13,
- 31, 22, 28, 18, 26, 10, 7, 12, 21, 17, 9, 6, 16, 5, 15, 14
- };
- return debruijn32[(x&-x)*0x076be629 >> 27];
-}
-
-static inline int a_ctz_64(uint64_t x)
-{
- uint32_t y = x;
- if (!y) {
- y = x>>32;
- return 32 + a_ctz_l(y);
- }
- return a_ctz_l(y);
-}
-
-static inline int a_cas(volatile int *p, int t, int s)
-{
- int dummy;
- __asm__ __volatile__(
- ".set push\n"
- ".set mips2\n"
- ".set noreorder\n"
- " sync\n"
- "1: ll %0, %2\n"
- " bne %0, %3, 1f\n"
- " addu %1, %4, $0\n"
- " sc %1, %2\n"
- " beq %1, $0, 1b\n"
- " nop\n"
- " sync\n"
- "1: \n"
- ".set pop\n"
- : "=&r"(t), "=&r"(dummy), "+m"(*p) : "r"(t), "r"(s) : "memory" );
- return t;
-}
-
-static inline void *a_cas_p(volatile void *p, void *t, void *s)
-{
- return (void *)a_cas(p, (int)t, (int)s);
-}
-
-static inline int a_swap(volatile int *x, int v)
-{
- int old, dummy;
- __asm__ __volatile__(
- ".set push\n"
- ".set mips2\n"
- ".set noreorder\n"
- " sync\n"
- "1: ll %0, %2\n"
- " addu %1, %3, $0\n"
- " sc %1, %2\n"
- " beq %1, $0, 1b\n"
- " nop\n"
- " sync\n"
- ".set pop\n"
- : "=&r"(old), "=&r"(dummy), "+m"(*x) : "r"(v) : "memory" );
- return old;
-}
-
-static inline int a_fetch_add(volatile int *x, int v)
-{
- int old, dummy;
- __asm__ __volatile__(
- ".set push\n"
- ".set mips2\n"
- ".set noreorder\n"
- " sync\n"
- "1: ll %0, %2\n"
- " addu %1, %0, %3\n"
- " sc %1, %2\n"
- " beq %1, $0, 1b\n"
- " nop\n"
- " sync\n"
- ".set pop\n"
- : "=&r"(old), "=&r"(dummy), "+m"(*x) : "r"(v) : "memory" );
- return old;
-}
-
-static inline void a_inc(volatile int *x)
-{
- int dummy;
- __asm__ __volatile__(
- ".set push\n"
- ".set mips2\n"
- ".set noreorder\n"
- " sync\n"
- "1: ll %0, %1\n"
- " addu %0, %0, 1\n"
- " sc %0, %1\n"
- " beq %0, $0, 1b\n"
- " nop\n"
- " sync\n"
- ".set pop\n"
- : "=&r"(dummy), "+m"(*x) : : "memory" );
-}
-
-static inline void a_dec(volatile int *x)
-{
- int dummy;
- __asm__ __volatile__(
- ".set push\n"
- ".set mips2\n"
- ".set noreorder\n"
- " sync\n"
- "1: ll %0, %1\n"
- " subu %0, %0, 1\n"
- " sc %0, %1\n"
- " beq %0, $0, 1b\n"
- " nop\n"
- " sync\n"
- ".set pop\n"
- : "=&r"(dummy), "+m"(*x) : : "memory" );
-}
-
-static inline void a_store(volatile int *p, int x)
-{
- __asm__ __volatile__(
- ".set push\n"
- ".set mips2\n"
- ".set noreorder\n"
- " sync\n"
- " sw %1, %0\n"
- " sync\n"
- ".set pop\n"
- : "+m"(*p) : "r"(x) : "memory" );
-}
-
-#define a_spin a_barrier
-
-static inline void a_barrier()
-{
- a_cas(&(int){0}, 0, 0);
-}
-
-static inline void a_crash()
-{
- *(volatile char *)0=0;
-}
-
-static inline void a_and(volatile int *p, int v)
-{
- int dummy;
- __asm__ __volatile__(
- ".set push\n"
- ".set mips2\n"
- ".set noreorder\n"
- " sync\n"
- "1: ll %0, %1\n"
- " and %0, %0, %2\n"
- " sc %0, %1\n"
- " beq %0, $0, 1b\n"
- " nop\n"
- " sync\n"
- ".set pop\n"
- : "=&r"(dummy), "+m"(*p) : "r"(v) : "memory" );
-}
-
-static inline void a_or(volatile int *p, int v)
-{
- int dummy;
- __asm__ __volatile__(
- ".set push\n"
- ".set mips2\n"
- ".set noreorder\n"
- " sync\n"
- "1: ll %0, %1\n"
- " or %0, %0, %2\n"
- " sc %0, %1\n"
- " beq %0, $0, 1b\n"
- " nop\n"
- " sync\n"
- ".set pop\n"
- : "=&r"(dummy), "+m"(*p) : "r"(v) : "memory" );
-}
-
-static inline void a_or_l(volatile void *p, long v)
-{
- a_or(p, v);
-}
-
-static inline void a_and_64(volatile uint64_t *p, uint64_t v)
-{
- union { uint64_t v; uint32_t r[2]; } u = { v };
- a_and((int *)p, u.r[0]);
- a_and((int *)p+1, u.r[1]);
-}
-
-static inline void a_or_64(volatile uint64_t *p, uint64_t v)
-{
- union { uint64_t v; uint32_t r[2]; } u = { v };
- a_or((int *)p, u.r[0]);
- a_or((int *)p+1, u.r[1]);
-}
-
-#endif
--- /dev/null
+++ b/arch/mips/atomic_arch.h
@@ -0,0 +1,39 @@
+#define a_ll a_ll
+static inline int a_ll(volatile int *p)
+{
+ int v;
+ __asm__ __volatile__ (
+ ".set push ; .set mips2\n\t"
+ "ll %0, %1"
+ "\n\t.set pop"
+ : "=r"(v) : "m"(*p));
+ return v;
+}
+
+#define a_sc a_sc
+static inline int a_sc(volatile int *p, int v)
+{
+ int r;
+ __asm__ __volatile__ (
+ ".set push ; .set mips2\n\t"
+ "sc %0, %1"
+ "\n\t.set pop"
+ : "=r"(r), "=m"(*p) : "0"(v) : "memory");
+ return r;
+}
+
+#define a_barrier a_barrier
+static inline void a_barrier()
+{
+ /* mips2 sync, but using too many directives causes
+ * gcc not to inline it, so encode with .long instead. */
+ __asm__ __volatile__ (".long 0xf" : : : "memory");
+#if 0
+ __asm__ __volatile__ (
+ ".set push ; .set mips2 ; sync ; .set pop"
+ : : : "memory");
+#endif
+}
+
+#define a_pre_llsc a_barrier
+#define a_post_llsc a_barrier
--- a/arch/mips/bits/ipc.h
+++ /dev/null
@@ -1,14 +0,0 @@
-struct ipc_perm
-{
- key_t __ipc_perm_key;
- uid_t uid;
- gid_t gid;
- uid_t cuid;
- gid_t cgid;
- mode_t mode;
- int __ipc_perm_seq;
- long __pad1;
- long __pad2;
-};
-
-#define IPC_64 0x100
--- a/arch/mips/bits/mman.h
+++ b/arch/mips/bits/mman.h
@@ -37,6 +37,7 @@
#define MCL_CURRENT 1
#define MCL_FUTURE 2
+#define MCL_ONFAULT 4
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
#define MADV_NORMAL 0
--- a/arch/mips/bits/signal.h
+++ b/arch/mips/bits/signal.h
@@ -73,6 +73,15 @@ typedef struct __ucontext {
#define SIG_UNBLOCK 2
#define SIG_SETMASK 3
+#undef SI_ASYNCIO
+#undef SI_MESGQ
+#undef SI_TIMER
+#define SI_ASYNCIO (-2)
+#define SI_MESGQ (-4)
+#define SI_TIMER (-3)
+
+#define __SI_SWAP_ERRNO_CODE
+
#endif
#define SIGHUP 1
--- a/arch/mips/bits/stdarg.h
+++ /dev/null
@@ -1,4 +0,0 @@
-#define va_start(v,l) __builtin_va_start(v,l)
-#define va_end(v) __builtin_va_end(v)
-#define va_arg(v,l) __builtin_va_arg(v,l)
-#define va_copy(d,s) __builtin_va_copy(d,s)
--- a/arch/mips/bits/syscall.h
+++ b/arch/mips/bits/syscall.h
@@ -354,6 +354,9 @@
#define __NR_memfd_create 4354
#define __NR_bpf 4355
#define __NR_execveat 4356
+#define __NR_userfaultfd 4357
+#define __NR_membarrier 4358
+#define __NR_mlock2 4359
/* Repeated with SYS_ prefix */
@@ -713,3 +716,6 @@
#define SYS_memfd_create 4354
#define SYS_bpf 4355
#define SYS_execveat 4356
+#define SYS_userfaultfd 4357
+#define SYS_membarrier 4358
+#define SYS_mlock2 4359
--- a/arch/mips/crt_arch.h
+++ b/arch/mips/crt_arch.h
@@ -4,13 +4,16 @@ __asm__(
".text \n"
".global _" START "\n"
".global " START "\n"
+".global " START "_data\n"
".type _" START ", @function\n"
".type " START ", @function\n"
+".type " START "_data, @function\n"
"_" START ":\n"
"" START ":\n"
" bal 1f \n"
" move $fp, $0 \n"
-"2: .gpword 2b \n"
+"" START "_data: \n"
+" .gpword " START "_data \n"
" .gpword " START "_c \n"
".weak _DYNAMIC \n"
".hidden _DYNAMIC \n"
--- a/arch/mips/pthread_arch.h
+++ b/arch/mips/pthread_arch.h
@@ -16,4 +16,4 @@ static inline struct pthread *__pthread_
#define DTP_OFFSET 0x8000
-#define CANCEL_REG_IP (3-(union {int __i; char __b;}){1}.__b)
+#define MC_PC pc
--- a/arch/mips/syscall_arch.h
+++ b/arch/mips/syscall_arch.h
@@ -3,9 +3,7 @@
((union { long long ll; long l[2]; }){ .ll = x }).l[1]
#define __SYSCALL_LL_O(x) 0, __SYSCALL_LL_E((x))
-#ifdef SHARED
__attribute__((visibility("hidden")))
-#endif
long (__syscall)(long, ...);
#define SYSCALL_RLIM_INFINITY (-1UL/2)
@@ -163,3 +161,7 @@ static inline long __syscall6(long n, lo
if (n == SYS_fstatat) __stat_fix(c);
return r2;
}
+
+#define VDSO_USEFUL
+#define VDSO_CGT_SYM "__vdso_clock_gettime"
+#define VDSO_CGT_VER "LINUX_2.6"
--- a/arch/or1k/atomic.h
+++ /dev/null
@@ -1,120 +0,0 @@
-#ifndef _INTERNAL_ATOMIC_H
-#define _INTERNAL_ATOMIC_H
-
-#include <stdint.h>
-
-static inline int a_ctz_l(unsigned long x)
-{
- static const char debruijn32[32] = {
- 0, 1, 23, 2, 29, 24, 19, 3, 30, 27, 25, 11, 20, 8, 4, 13,
- 31, 22, 28, 18, 26, 10, 7, 12, 21, 17, 9, 6, 16, 5, 15, 14
- };
- return debruijn32[(x&-x)*0x076be629 >> 27];
-}
-
-static inline int a_ctz_64(uint64_t x)
-{
- uint32_t y = x;
- if (!y) {
- y = x>>32;
- return 32 + a_ctz_l(y);
- }
- return a_ctz_l(y);
-}
-
-static inline int a_cas(volatile int *p, int t, int s)
-{
- __asm__("1: l.lwa %0, %1\n"
- " l.sfeq %0, %2\n"
- " l.bnf 1f\n"
- " l.nop\n"
- " l.swa %1, %3\n"
- " l.bnf 1b\n"
- " l.nop\n"
- "1: \n"
- : "=&r"(t), "+m"(*p) : "r"(t), "r"(s) : "cc", "memory" );
- return t;
-}
-
-static inline void *a_cas_p(volatile void *p, void *t, void *s)
-{
- return (void *)a_cas(p, (int)t, (int)s);
-}
-
-static inline int a_swap(volatile int *x, int v)
-{
- int old;
- do old = *x;
- while (a_cas(x, old, v) != old);
- return old;
-}
-
-static inline int a_fetch_add(volatile int *x, int v)
-{
- int old;
- do old = *x;
- while (a_cas(x, old, old+v) != old);
- return old;
-}
-
-static inline void a_inc(volatile int *x)
-{
- a_fetch_add(x, 1);
-}
-
-static inline void a_dec(volatile int *x)
-{
- a_fetch_add(x, -1);
-}
-
-static inline void a_store(volatile int *p, int x)
-{
- a_swap(p, x);
-}
-
-#define a_spin a_barrier
-
-static inline void a_barrier()
-{
- a_cas(&(int){0}, 0, 0);
-}
-
-static inline void a_crash()
-{
- *(volatile char *)0=0;
-}
-
-static inline void a_and(volatile int *p, int v)
-{
- int old;
- do old = *p;
- while (a_cas(p, old, old&v) != old);
-}
-
-static inline void a_or(volatile int *p, int v)
-{
- int old;
- do old = *p;
- while (a_cas(p, old, old|v) != old);
-}
-
-static inline void a_or_l(volatile void *p, long v)
-{
- a_or(p, v);
-}
-
-static inline void a_and_64(volatile uint64_t *p, uint64_t v)
-{
- union { uint64_t v; uint32_t r[2]; } u = { v };
- a_and((int *)p, u.r[0]);
- a_and((int *)p+1, u.r[1]);
-}
-
-static inline void a_or_64(volatile uint64_t *p, uint64_t v)
-{
- union { uint64_t v; uint32_t r[2]; } u = { v };
- a_or((int *)p, u.r[0]);
- a_or((int *)p+1, u.r[1]);
-}
-
-#endif
--- /dev/null
+++ b/arch/or1k/atomic_arch.h
@@ -0,0 +1,14 @@
+#define a_cas a_cas
+static inline int a_cas(volatile int *p, int t, int s)
+{
+ __asm__("1: l.lwa %0, %1\n"
+ " l.sfeq %0, %2\n"
+ " l.bnf 1f\n"
+ " l.nop\n"
+ " l.swa %1, %3\n"
+ " l.bnf 1b\n"
+ " l.nop\n"
+ "1: \n"
+ : "=&r"(t), "+m"(*p) : "r"(t), "r"(s) : "cc", "memory" );
+ return t;
+}
--- a/arch/or1k/bits/errno.h
+++ /dev/null
@@ -1,134 +0,0 @@
-#define EPERM 1
-#define ENOENT 2
-#define ESRCH 3
-#define EINTR 4
-#define EIO 5
-#define ENXIO 6
-#define E2BIG 7
-#define ENOEXEC 8
-#define EBADF 9
-#define ECHILD 10
-#define EAGAIN 11
-#define ENOMEM 12
-#define EACCES 13
-#define EFAULT 14
-#define ENOTBLK 15
-#define EBUSY 16
-#define EEXIST 17
-#define EXDEV 18
-#define ENODEV 19
-#define ENOTDIR 20
-#define EISDIR 21
-#define EINVAL 22
-#define ENFILE 23
-#define EMFILE 24
-#define ENOTTY 25
-#define ETXTBSY 26
-#define EFBIG 27
-#define ENOSPC 28
-#define ESPIPE 29
-#define EROFS 30
-#define EMLINK 31
-#define EPIPE 32
-#define EDOM 33
-#define ERANGE 34
-#define EDEADLK 35
-#define ENAMETOOLONG 36
-#define ENOLCK 37
-#define ENOSYS 38
-#define ENOTEMPTY 39
-#define ELOOP 40
-#define EWOULDBLOCK EAGAIN
-#define ENOMSG 42
-#define EIDRM 43
-#define ECHRNG 44
-#define EL2NSYNC 45
-#define EL3HLT 46
-#define EL3RST 47
-#define ELNRNG 48
-#define EUNATCH 49
-#define ENOCSI 50
-#define EL2HLT 51
-#define EBADE 52
-#define EBADR 53
-#define EXFULL 54
-#define ENOANO 55
-#define EBADRQC 56
-#define EBADSLT 57
-#define EDEADLOCK EDEADLK
-#define EBFONT 59
-#define ENOSTR 60
-#define ENODATA 61
-#define ETIME 62
-#define ENOSR 63
-#define ENONET 64
-#define ENOPKG 65
-#define EREMOTE 66
-#define ENOLINK 67
-#define EADV 68
-#define ESRMNT 69
-#define ECOMM 70
-#define EPROTO 71
-#define EMULTIHOP 72
-#define EDOTDOT 73
-#define EBADMSG 74
-#define EOVERFLOW 75
-#define ENOTUNIQ 76
-#define EBADFD 77
-#define EREMCHG 78
-#define ELIBACC 79
-#define ELIBBAD 80
-#define ELIBSCN 81
-#define ELIBMAX 82
-#define ELIBEXEC 83
-#define EILSEQ 84
-#define ERESTART 85
-#define ESTRPIPE 86
-#define EUSERS 87
-#define ENOTSOCK 88
-#define EDESTADDRREQ 89
-#define EMSGSIZE 90
-#define EPROTOTYPE 91
-#define ENOPROTOOPT 92
-#define EPROTONOSUPPORT 93
-#define ESOCKTNOSUPPORT 94
-#define EOPNOTSUPP 95
-#define ENOTSUP EOPNOTSUPP
-#define EPFNOSUPPORT 96
-#define EAFNOSUPPORT 97
-#define EADDRINUSE 98
-#define EADDRNOTAVAIL 99
-#define ENETDOWN 100
-#define ENETUNREACH 101
-#define ENETRESET 102
-#define ECONNABORTED 103
-#define ECONNRESET 104
-#define ENOBUFS 105
-#define EISCONN 106
-#define ENOTCONN 107
-#define ESHUTDOWN 108
-#define ETOOMANYREFS 109
-#define ETIMEDOUT 110
-#define ECONNREFUSED 111
-#define EHOSTDOWN 112
-#define EHOSTUNREACH 113
-#define EALREADY 114
-#define EINPROGRESS 115
-#define ESTALE 116
-#define EUCLEAN 117
-#define ENOTNAM 118
-#define ENAVAIL 119
-#define EISNAM 120
-#define EREMOTEIO 121
-#define EDQUOT 122
-#define ENOMEDIUM 123
-#define EMEDIUMTYPE 124
-#define ECANCELED 125
-#define ENOKEY 126
-#define EKEYEXPIRED 127
-#define EKEYREVOKED 128
-#define EKEYREJECTED 129
-#define EOWNERDEAD 130
-#define ENOTRECOVERABLE 131
-#define ERFKILL 132
-#define EHWPOISON 133
--- a/arch/or1k/bits/fcntl.h
+++ /dev/null
@@ -1,40 +0,0 @@
-#define O_CREAT 0100
-#define O_EXCL 0200
-#define O_NOCTTY 0400
-#define O_TRUNC 01000
-#define O_APPEND 02000
-#define O_NONBLOCK 04000
-#define O_DSYNC 010000
-#define O_SYNC 04010000
-#define O_RSYNC 04010000
-#define O_DIRECTORY 0200000
-#define O_NOFOLLOW 0400000
-#define O_CLOEXEC 02000000
-
-#define O_ASYNC 020000
-#define O_DIRECT 040000
-#define O_LARGEFILE 0100000
-#define O_NOATIME 01000000
-#define O_PATH 010000000
-#define O_TMPFILE 020200000
-#define O_NDELAY O_NONBLOCK
-
-#define F_DUPFD 0
-#define F_GETFD 1
-#define F_SETFD 2
-#define F_GETFL 3
-#define F_SETFL 4
-
-#define F_SETOWN 8
-#define F_GETOWN 9
-#define F_SETSIG 10
-#define F_GETSIG 11
-
-#define F_GETLK 12
-#define F_SETLK 13
-#define F_SETLKW 14
-
-#define F_SETOWN_EX 15
-#define F_GETOWN_EX 16
-
-#define F_GETOWNER_UIDS 17
--- a/arch/or1k/bits/fenv.h
+++ /dev/null
@@ -1,10 +0,0 @@
-#define FE_ALL_EXCEPT 0
-#define FE_TONEAREST 0
-
-typedef unsigned long fexcept_t;
-
-typedef struct {
- unsigned long __cw;
-} fenv_t;
-
-#define FE_DFL_ENV ((const fenv_t *) -1)
--- a/arch/or1k/bits/ioctl.h
+++ /dev/null
@@ -1,197 +0,0 @@
-#define _IOC(a,b,c,d) ( ((a)<<30) | ((b)<<8) | (c) | ((d)<<16) )
-#define _IOC_NONE 0U
-#define _IOC_WRITE 1U
-#define _IOC_READ 2U
-
-#define _IO(a,b) _IOC(_IOC_NONE,(a),(b),0)
-#define _IOW(a,b,c) _IOC(_IOC_WRITE,(a),(b),sizeof(c))
-#define _IOR(a,b,c) _IOC(_IOC_READ,(a),(b),sizeof(c))
-#define _IOWR(a,b,c) _IOC(_IOC_READ|_IOC_WRITE,(a),(b),sizeof(c))
-
-#define TCGETS 0x5401
-#define TCSETS 0x5402
-#define TCSETSW 0x5403
-#define TCSETSF 0x5404
-#define TCGETA 0x5405
-#define TCSETA 0x5406
-#define TCSETAW 0x5407
-#define TCSETAF 0x5408
-#define TCSBRK 0x5409
-#define TCXONC 0x540A
-#define TCFLSH 0x540B
-#define TIOCEXCL 0x540C
-#define TIOCNXCL 0x540D
-#define TIOCSCTTY 0x540E
-#define TIOCGPGRP 0x540F
-#define TIOCSPGRP 0x5410
-#define TIOCOUTQ 0x5411
-#define TIOCSTI 0x5412
-#define TIOCGWINSZ 0x5413
-#define TIOCSWINSZ 0x5414
-#define TIOCMGET 0x5415
-#define TIOCMBIS 0x5416
-#define TIOCMBIC 0x5417
-#define TIOCMSET 0x5418
-#define TIOCGSOFTCAR 0x5419
-#define TIOCSSOFTCAR 0x541A
-#define FIONREAD 0x541B
-#define TIOCINQ FIONREAD
-#define TIOCLINUX 0x541C
-#define TIOCCONS 0x541D
-#define TIOCGSERIAL 0x541E
-#define TIOCSSERIAL 0x541F
-#define TIOCPKT 0x5420
-#define FIONBIO 0x5421
-#define TIOCNOTTY 0x5422
-#define TIOCSETD 0x5423
-#define TIOCGETD 0x5424
-#define TCSBRKP 0x5425
-#define TIOCTTYGSTRUCT 0x5426
-#define TIOCSBRK 0x5427
-#define TIOCCBRK 0x5428
-#define TIOCGSID 0x5429
-#define TIOCGPTN 0x80045430
-#define TIOCSPTLCK 0x40045431
-#define TCGETX 0x5432
-#define TCSETX 0x5433
-#define TCSETXF 0x5434
-#define TCSETXW 0x5435
-
-#define FIONCLEX 0x5450
-#define FIOCLEX 0x5451
-#define FIOASYNC 0x5452
-#define TIOCSERCONFIG 0x5453
-#define TIOCSERGWILD 0x5454
-#define TIOCSERSWILD 0x5455
-#define TIOCGLCKTRMIOS 0x5456
-#define TIOCSLCKTRMIOS 0x5457
-#define TIOCSERGSTRUCT 0x5458
-#define TIOCSERGETLSR 0x5459
-#define TIOCSERGETMULTI 0x545A
-#define TIOCSERSETMULTI 0x545B
-
-#define TIOCMIWAIT 0x545C
-#define TIOCGICOUNT 0x545D
-#define TIOCGHAYESESP 0x545E
-#define TIOCSHAYESESP 0x545F
-#define FIOQSIZE 0x5460
-
-#define TIOCPKT_DATA 0
-#define TIOCPKT_FLUSHREAD 1
-#define TIOCPKT_FLUSHWRITE 2
-#define TIOCPKT_STOP 4
-#define TIOCPKT_START 8
-#define TIOCPKT_NOSTOP 16
-#define TIOCPKT_DOSTOP 32
-#define TIOCPKT_IOCTL 64
-
-#define TIOCSER_TEMT 0x01
-
-struct winsize {
- unsigned short ws_row;
- unsigned short ws_col;
- unsigned short ws_xpixel;
- unsigned short ws_ypixel;
-};
-
-#define TIOCM_LE 0x001
-#define TIOCM_DTR 0x002
-#define TIOCM_RTS 0x004
-#define TIOCM_ST 0x008
-#define TIOCM_SR 0x010
-#define TIOCM_CTS 0x020
-#define TIOCM_CAR 0x040
-#define TIOCM_RNG 0x080
-#define TIOCM_DSR 0x100
-#define TIOCM_CD TIOCM_CAR
-#define TIOCM_RI TIOCM_RNG
-#define TIOCM_OUT1 0x2000
-#define TIOCM_OUT2 0x4000
-#define TIOCM_LOOP 0x8000
-#define TIOCM_MODEM_BITS TIOCM_OUT2
-
-#define N_TTY 0
-#define N_SLIP 1
-#define N_MOUSE 2
-#define N_PPP 3
-#define N_STRIP 4
-#define N_AX25 5
-#define N_X25 6
-#define N_6PACK 7
-#define N_MASC 8
-#define N_R3964 9
-#define N_PROFIBUS_FDL 10
-#define N_IRDA 11
-#define N_SMSBLOCK 12
-#define N_HDLC 13
-#define N_SYNC_PPP 14
-#define N_HCI 15
-
-#define FIOSETOWN 0x8901
-#define SIOCSPGRP 0x8902
-#define FIOGETOWN 0x8903
-#define SIOCGPGRP 0x8904
-#define SIOCATMARK 0x8905
-#define SIOCGSTAMP 0x8906
-
-#define SIOCADDRT 0x890B
-#define SIOCDELRT 0x890C
-#define SIOCRTMSG 0x890D
-
-#define SIOCGIFNAME 0x8910
-#define SIOCSIFLINK 0x8911
-#define SIOCGIFCONF 0x8912
-#define SIOCGIFFLAGS 0x8913
-#define SIOCSIFFLAGS 0x8914
-#define SIOCGIFADDR 0x8915
-#define SIOCSIFADDR 0x8916
-#define SIOCGIFDSTADDR 0x8917
-#define SIOCSIFDSTADDR 0x8918
-#define SIOCGIFBRDADDR 0x8919
-#define SIOCSIFBRDADDR 0x891a
-#define SIOCGIFNETMASK 0x891b
-#define SIOCSIFNETMASK 0x891c
-#define SIOCGIFMETRIC 0x891d
-#define SIOCSIFMETRIC 0x891e
-#define SIOCGIFMEM 0x891f
-#define SIOCSIFMEM 0x8920
-#define SIOCGIFMTU 0x8921
-#define SIOCSIFMTU 0x8922
-#define SIOCSIFHWADDR 0x8924
-#define SIOCGIFENCAP 0x8925
-#define SIOCSIFENCAP 0x8926
-#define SIOCGIFHWADDR 0x8927
-#define SIOCGIFSLAVE 0x8929
-#define SIOCSIFSLAVE 0x8930
-#define SIOCADDMULTI 0x8931
-#define SIOCDELMULTI 0x8932
-#define SIOCGIFINDEX 0x8933
-#define SIOGIFINDEX SIOCGIFINDEX
-#define SIOCSIFPFLAGS 0x8934
-#define SIOCGIFPFLAGS 0x8935
-#define SIOCDIFADDR 0x8936
-#define SIOCSIFHWBROADCAST 0x8937
-#define SIOCGIFCOUNT 0x8938
-
-#define SIOCGIFBR 0x8940
-#define SIOCSIFBR 0x8941
-
-#define SIOCGIFTXQLEN 0x8942
-#define SIOCSIFTXQLEN 0x8943
-
-#define SIOCDARP 0x8953
-#define SIOCGARP 0x8954
-#define SIOCSARP 0x8955
-
-#define SIOCDRARP 0x8960
-#define SIOCGRARP 0x8961
-#define SIOCSRARP 0x8962
-
-#define SIOCGIFMAP 0x8970
-#define SIOCSIFMAP 0x8971
-
-#define SIOCADDDLCI 0x8980
-#define SIOCDELDLCI 0x8981
-
-#define SIOCDEVPRIVATE 0x89F0
-#define SIOCPROTOPRIVATE 0x89E0
--- a/arch/or1k/bits/mman.h
+++ b/arch/or1k/bits/mman.h
@@ -37,6 +37,7 @@
#define MCL_CURRENT 1
#define MCL_FUTURE 2
+#define MCL_ONFAULT 4
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
#define MADV_NORMAL 0
--- a/arch/or1k/bits/shm.h
+++ /dev/null
@@ -1,27 +0,0 @@
-#define SHMLBA 4096
-
-struct shmid_ds {
- struct ipc_perm shm_perm;
- size_t shm_segsz;
- time_t shm_atime;
- int __unused1;
- time_t shm_dtime;
- int __unused2;
- time_t shm_ctime;
- int __unused3;
- pid_t shm_cpid;
- pid_t shm_lpid;
- unsigned long shm_nattch;
- unsigned long __pad1;
- unsigned long __pad2;
-};
-
-struct shminfo {
- unsigned long shmmax, shmmin, shmmni, shmseg, shmall, __unused[4];
-};
-
-struct shm_info {
- int __used_ids;
- unsigned long shm_tot, shm_rss, shm_swp;
- unsigned long __swap_attempts, __swap_successes;
-};
--- a/arch/or1k/bits/socket.h
+++ /dev/null
@@ -1,15 +0,0 @@
-struct msghdr {
- void *msg_name;
- socklen_t msg_namelen;
- struct iovec *msg_iov;
- int msg_iovlen;
- void *msg_control;
- socklen_t msg_controllen;
- int msg_flags;
-};
-
-struct cmsghdr {
- socklen_t cmsg_len;
- int cmsg_level;
- int cmsg_type;
-};
--- a/arch/or1k/bits/statfs.h
+++ /dev/null
@@ -1,7 +0,0 @@
-struct statfs {
- unsigned long f_type, f_bsize;
- fsblkcnt_t f_blocks, f_bfree, f_bavail;
- fsfilcnt_t f_files, f_ffree;
- fsid_t f_fsid;
- unsigned long f_namelen, f_frsize, f_flags, f_spare[4];
-};
--- a/arch/or1k/bits/stdarg.h
+++ /dev/null
@@ -1,4 +0,0 @@
-#define va_start(v,l) __builtin_va_start(v,l)
-#define va_end(v) __builtin_va_end(v)
-#define va_arg(v,l) __builtin_va_arg(v,l)
-#define va_copy(d,s) __builtin_va_copy(d,s)
--- a/arch/or1k/bits/syscall.h
+++ b/arch/or1k/bits/syscall.h
@@ -265,6 +265,9 @@
#define __NR_memfd_create 279
#define __NR_bpf 280
#define __NR_execveat 281
+#define __NR_userfaultfd 282
+#define __NR_membarrier 283
+#define __NR_mlock2 284
#define SYS_io_setup __NR_io_setup
#define SYS_io_destroy __NR_io_destroy
@@ -533,3 +536,6 @@
#define SYS_memfd_create __NR_memfd_create
#define SYS_bpf __NR_bpf
#define SYS_execveat __NR_execveat
+#define SYS_userfaultfd __NR_userfaultfd
+#define SYS_membarrier __NR_membarrier
+#define SYS_mlock2 __NR_mlock2
--- a/arch/or1k/bits/termios.h
+++ /dev/null
@@ -1,159 +0,0 @@
-struct termios {
- tcflag_t c_iflag;
- tcflag_t c_oflag;
- tcflag_t c_cflag;
- tcflag_t c_lflag;
- cc_t c_line;
- cc_t c_cc[NCCS];
- speed_t __c_ispeed;
- speed_t __c_ospeed;
-};
-
-#define VINTR 0
-#define VQUIT 1
-#define VERASE 2
-#define VKILL 3
-#define VEOF 4
-#define VTIME 5
-#define VMIN 6
-#define VSWTC 7
-#define VSTART 8
-#define VSTOP 9
-#define VSUSP 10
-#define VEOL 11
-#define VREPRINT 12
-#define VDISCARD 13
-#define VWERASE 14
-#define VLNEXT 15
-#define VEOL2 16
-
-#define IGNBRK 0000001
-#define BRKINT 0000002
-#define IGNPAR 0000004
-#define PARMRK 0000010
-#define INPCK 0000020
-#define ISTRIP 0000040
-#define INLCR 0000100
-#define IGNCR 0000200
-#define ICRNL 0000400
-#define IUCLC 0001000
-#define IXON 0002000
-#define IXANY 0004000
-#define IXOFF 0010000
-#define IMAXBEL 0020000
-#define IUTF8 0040000
-
-#define OPOST 0000001
-#define OLCUC 0000002
-#define ONLCR 0000004
-#define OCRNL 0000010
-#define ONOCR 0000020
-#define ONLRET 0000040
-#define OFILL 0000100
-#define OFDEL 0000200
-#define NLDLY 0000400
-#define NL0 0000000
-#define NL1 0000400
-#define CRDLY 0003000
-#define CR0 0000000
-#define CR1 0001000
-#define CR2 0002000
-#define CR3 0003000
-#define TABDLY 0014000
-#define TAB0 0000000
-#define TAB1 0004000
-#define TAB2 0010000
-#define TAB3 0014000
-#define BSDLY 0020000
-#define BS0 0000000
-#define BS1 0020000
-#define FFDLY 0100000
-#define FF0 0000000
-#define FF1 0100000
-
-#define VTDLY 0040000
-#define VT0 0000000
-#define VT1 0040000
-
-#define B0 0000000
-#define B50 0000001
-#define B75 0000002
-#define B110 0000003
-#define B134 0000004
-#define B150 0000005
-#define B200 0000006
-#define B300 0000007
-#define B600 0000010
-#define B1200 0000011
-#define B1800 0000012
-#define B2400 0000013
-#define B4800 0000014
-#define B9600 0000015
-#define B19200 0000016
-#define B38400 0000017
-
-#define B57600 0010001
-#define B115200 0010002
-#define B230400 0010003
-#define B460800 0010004
-#define B500000 0010005
-#define B576000 0010006
-#define B921600 0010007
-#define B1000000 0010010
-#define B1152000 0010011
-#define B1500000 0010012
-#define B2000000 0010013
-#define B2500000 0010014
-#define B3000000 0010015
-#define B3500000 0010016
-#define B4000000 0010017
-
-#define CBAUD 0010017
-
-#define CSIZE 0000060
-#define CS5 0000000
-#define CS6 0000020
-#define CS7 0000040
-#define CS8 0000060
-#define CSTOPB 0000100
-#define CREAD 0000200
-#define PARENB 0000400
-#define PARODD 0001000
-#define HUPCL 0002000
-#define CLOCAL 0004000
-
-#define ISIG 0000001
-#define ICANON 0000002
-#define ECHO 0000010
-#define ECHOE 0000020
-#define ECHOK 0000040
-#define ECHONL 0000100
-#define NOFLSH 0000200
-#define TOSTOP 0000400
-#define IEXTEN 0100000
-
-#define ECHOCTL 0001000
-#define ECHOPRT 0002000
-#define ECHOKE 0004000
-#define FLUSHO 0010000
-#define PENDIN 0040000
-
-#define TCOOFF 0
-#define TCOON 1
-#define TCIOFF 2
-#define TCION 3
-
-#define TCIFLUSH 0
-#define TCOFLUSH 1
-#define TCIOFLUSH 2
-
-#define TCSANOW 0
-#define TCSADRAIN 1
-#define TCSAFLUSH 2
-
-#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
-#define CBAUDEX 0010000
-#define CRTSCTS 020000000000
-#define EXTPROC 0200000
-#define XTABS 0014000
-#endif
--- a/arch/or1k/pthread_arch.h
+++ b/arch/or1k/pthread_arch.h
@@ -14,5 +14,4 @@ static inline struct pthread *__pthread_
#define TLS_ABOVE_TP
#define TP_ADJ(p) ((char *)(p) + sizeof(struct pthread))
-/* word-offset to 'pc' in mcontext_t */
-#define CANCEL_REG_IP 32
+#define MC_PC regs.pc
--- a/arch/powerpc/atomic.h
+++ /dev/null
@@ -1,126 +0,0 @@
-#ifndef _INTERNAL_ATOMIC_H
-#define _INTERNAL_ATOMIC_H
-
-#include <stdint.h>
-#include <endian.h>
-
-static inline int a_ctz_l(unsigned long x)
-{
- static const char debruijn32[32] = {
- 0, 1, 23, 2, 29, 24, 19, 3, 30, 27, 25, 11, 20, 8, 4, 13,
- 31, 22, 28, 18, 26, 10, 7, 12, 21, 17, 9, 6, 16, 5, 15, 14
- };
- return debruijn32[(x&-x)*0x076be629 >> 27];
-}
-
-static inline int a_ctz_64(uint64_t x)
-{
- uint32_t y = x;
- if (!y) {
- y = x>>32;
- return 32 + a_ctz_l(y);
- }
- return a_ctz_l(y);
-}
-
-static inline int a_cas(volatile int *p, int t, int s)
-{
- __asm__("\n"
- " sync\n"
- "1: lwarx %0, 0, %4\n"
- " cmpw %0, %2\n"
- " bne 1f\n"
- " stwcx. %3, 0, %4\n"
- " bne- 1b\n"
- " isync\n"
- "1: \n"
- : "=&r"(t), "+m"(*p) : "r"(t), "r"(s), "r"(p) : "cc", "memory" );
- return t;
-}
-
-static inline void *a_cas_p(volatile void *p, void *t, void *s)
-{
- return (void *)a_cas(p, (int)t, (int)s);
-}
-
-static inline int a_swap(volatile int *x, int v)
-{
- int old;
- do old = *x;
- while (a_cas(x, old, v) != old);
- return old;
-}
-
-static inline int a_fetch_add(volatile int *x, int v)
-{
- int old;
- do old = *x;
- while (a_cas(x, old, old+v) != old);
- return old;
-}
-
-static inline void a_inc(volatile int *x)
-{
- a_fetch_add(x, 1);
-}
-
-static inline void a_dec(volatile int *x)
-{
- a_fetch_add(x, -1);
-}
-
-static inline void a_store(volatile int *p, int x)
-{
- __asm__ __volatile__ ("\n"
- " sync\n"
- " stw %1, %0\n"
- " isync\n"
- : "=m"(*p) : "r"(x) : "memory" );
-}
-
-#define a_spin a_barrier
-
-static inline void a_barrier()
-{
- a_cas(&(int){0}, 0, 0);
-}
-
-static inline void a_crash()
-{
- *(volatile char *)0=0;
-}
-
-static inline void a_and(volatile int *p, int v)
-{
- int old;
- do old = *p;
- while (a_cas(p, old, old&v) != old);
-}
-
-static inline void a_or(volatile int *p, int v)
-{
- int old;
- do old = *p;
- while (a_cas(p, old, old|v) != old);
-}
-
-static inline void a_or_l(volatile void *p, long v)
-{
- a_or(p, v);
-}
-
-static inline void a_and_64(volatile uint64_t *p, uint64_t v)
-{
- union { uint64_t v; uint32_t r[2]; } u = { v };
- a_and((int *)p, u.r[0]);
- a_and((int *)p+1, u.r[1]);
-}
-
-static inline void a_or_64(volatile uint64_t *p, uint64_t v)
-{
- union { uint64_t v; uint32_t r[2]; } u = { v };
- a_or((int *)p, u.r[0]);
- a_or((int *)p+1, u.r[1]);
-}
-
-#endif
--- /dev/null
+++ b/arch/powerpc/atomic_arch.h
@@ -0,0 +1,39 @@
+#define a_ll a_ll
+static inline int a_ll(volatile int *p)
+{
+ int v;
+ __asm__ __volatile__ ("lwarx %0, 0, %2" : "=r"(v) : "m"(*p), "r"(p));
+ return v;
+}
+
+#define a_sc a_sc
+static inline int a_sc(volatile int *p, int v)
+{
+ int r;
+ __asm__ __volatile__ (
+ "stwcx. %2, 0, %3 ; mfcr %0"
+ : "=r"(r), "=m"(*p) : "r"(v), "r"(p) : "memory", "cc");
+ return r & 0x20000000; /* "bit 2" of "cr0" (backwards bit order) */
+}
+
+#define a_barrier a_barrier
+static inline void a_barrier()
+{
+ __asm__ __volatile__ ("sync" : : : "memory");
+}
+
+#define a_pre_llsc a_barrier
+
+#define a_post_llsc a_post_llsc
+static inline void a_post_llsc()
+{
+ __asm__ __volatile__ ("isync" : : : "memory");
+}
+
+#define a_store a_store
+static inline void a_store(volatile int *p, int v)
+{
+ a_pre_llsc();
+ *p = v;
+ a_post_llsc();
+}
--- a/arch/powerpc/bits/mman.h
+++ b/arch/powerpc/bits/mman.h
@@ -4,6 +4,7 @@
#define PROT_READ 1
#define PROT_WRITE 2
#define PROT_EXEC 4
+#define PROT_SAO 0x10
#define PROT_GROWSDOWN 0x01000000
#define PROT_GROWSUP 0x02000000
@@ -35,8 +36,9 @@
#define MS_INVALIDATE 2
#define MS_SYNC 4
-#define MCL_CURRENT 1
-#define MCL_FUTURE 2
+#define MCL_CURRENT 0x2000
+#define MCL_FUTURE 0x4000
+#define MCL_ONFAULT 0x8000
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
#define MADV_NORMAL 0
--- a/arch/powerpc/bits/statfs.h
+++ /dev/null
@@ -1,7 +0,0 @@
-struct statfs {
- unsigned long f_type, f_bsize;
- fsblkcnt_t f_blocks, f_bfree, f_bavail;
- fsfilcnt_t f_files, f_ffree;
- fsid_t f_fsid;
- unsigned long f_namelen, f_frsize, f_flags, f_spare[4];
-};
--- a/arch/powerpc/bits/stdarg.h
+++ /dev/null
@@ -1,4 +0,0 @@
-#define va_start(v,l) __builtin_va_start(v,l)
-#define va_end(v) __builtin_va_end(v)
-#define va_arg(v,l) __builtin_va_arg(v,l)
-#define va_copy(d,s) __builtin_va_copy(d,s)
--- a/arch/powerpc/bits/syscall.h
+++ b/arch/powerpc/bits/syscall.h
@@ -194,23 +194,19 @@
#define __NR_vfork 189
#define __NR_ugetrlimit 190
#define __NR_readahead 191
-#if !defined(__PPC64) || defined(__ABI32)
#define __NR_mmap2 192
#define __NR_truncate64 193
#define __NR_ftruncate64 194
#define __NR_stat64 195
#define __NR_lstat64 196
#define __NR_fstat64 197
-#endif
#define __NR_pciconfig_read 198
#define __NR_pciconfig_write 199
#define __NR_pciconfig_iobase 200
#define __NR_multiplexer 201
#define __NR_getdents64 202
#define __NR_pivot_root 203
-#if !defined(__PPC64) || defined(__ABI32)
#define __NR_fcntl64 204
-#endif
#define __NR_madvise 205
#define __NR_mincore 206
#define __NR_gettid 207
@@ -231,9 +227,7 @@
#define __NR_sched_setaffinity 222
#define __NR_sched_getaffinity 223
#define __NR_tuxcall 225
-#if !defined(__PPC64) || defined(__ABI32)
#define __NR_sendfile64 226
-#endif
#define __NR_io_setup 227
#define __NR_io_destroy 228
#define __NR_io_getevents 229
@@ -261,9 +255,7 @@
#define __NR_utimes 251
#define __NR_statfs64 252
#define __NR_fstatfs64 253
-#if !defined(__PPC64) || defined(__ABI32)
#define __NR_fadvise64_64 254
-#endif
#define __NR_rtas 255
#define __NR_sys_debug_setcontext 256
#define __NR_migrate_pages 258
@@ -299,11 +291,7 @@
#define __NR_mknodat 288
#define __NR_fchownat 289
#define __NR_futimesat 290
-#if defined(__PPC64) && !defined(__ABI32)
-#define __NR_newfstatat 291
-#else
#define __NR_fstatat64 291
-#endif
#define __NR_unlinkat 292
#define __NR_renameat 293
#define __NR_linkat 294
@@ -376,6 +364,10 @@
#define __NR_memfd_create 360
#define __NR_bpf 361
#define __NR_execveat 362
+#define __NR_switch_endian 363
+#define __NR_userfaultfd 364
+#define __NR_membarrier 365
+#define __NR_mlock2 378
/*
* repeated with SYS prefix
@@ -576,23 +568,19 @@
#define SYS_vfork 189
#define SYS_ugetrlimit 190
#define SYS_readahead 191
-#if !defined(__PPC64) || defined(__ABI32)
#define SYS_mmap2 192
#define SYS_truncate64 193
#define SYS_ftruncate64 194
#define SYS_stat64 195
#define SYS_lstat64 196
#define SYS_fstat64 197
-#endif
#define SYS_pciconfig_read 198
#define SYS_pciconfig_write 199
#define SYS_pciconfig_iobase 200
#define SYS_multiplexer 201
#define SYS_getdents64 202
#define SYS_pivot_root 203
-#if !defined(__PPC64) || defined(__ABI32)
#define SYS_fcntl64 204
-#endif
#define SYS_madvise 205
#define SYS_mincore 206
#define SYS_gettid 207
@@ -613,9 +601,7 @@
#define SYS_sched_setaffinity 222
#define SYS_sched_getaffinity 223
#define SYS_tuxcall 225
-#if !defined(__PPC64) || defined(__ABI32)
#define SYS_sendfile64 226
-#endif
#define SYS_io_setup 227
#define SYS_io_destroy 228
#define SYS_io_getevents 229
@@ -643,9 +629,7 @@
#define SYS_utimes 251
#define SYS_statfs64 252
#define SYS_fstatfs64 253
-#if !defined(__PPC64) || defined(__ABI32)
#define SYS_fadvise64_64 254
-#endif
#define SYS_rtas 255
#define SYS_sys_debug_setcontext 256
#define SYS_migrate_pages 258
@@ -681,11 +665,7 @@
#define SYS_mknodat 288
#define SYS_fchownat 289
#define SYS_futimesat 290
-#if defined(__PPC64) && !defined(__ABI32)
-#define SYS_newfstatat 291
-#else
#define SYS_fstatat64 291
-#endif
#define SYS_unlinkat 292
#define SYS_renameat 293
#define SYS_linkat 294
@@ -758,3 +738,7 @@
#define SYS_memfd_create 360
#define SYS_bpf 361
#define SYS_execveat 362
+#define SYS_switch_endian 363
+#define SYS_userfaultfd 364
+#define SYS_membarrier 365
+#define SYS_mlock2 378
--- a/arch/powerpc/pthread_arch.h
+++ b/arch/powerpc/pthread_arch.h
@@ -15,9 +15,8 @@ static inline struct pthread *__pthread_
#define DTP_OFFSET 0x8000
-// offset of the PC register in mcontext_t, divided by the system wordsize
// the kernel calls the ip "nip", it's the first saved value after the 32
// GPRs.
-#define CANCEL_REG_IP 32
+#define MC_PC gregs[32]
#define CANARY canary_at_end
--- a/arch/sh/atomic.h
+++ /dev/null
@@ -1,168 +0,0 @@
-#ifndef _INTERNAL_ATOMIC_H
-#define _INTERNAL_ATOMIC_H
-
-#include <stdint.h>
-
-static inline int a_ctz_l(unsigned long x)
-{
- static const char debruijn32[32] = {
- 0, 1, 23, 2, 29, 24, 19, 3, 30, 27, 25, 11, 20, 8, 4, 13,
- 31, 22, 28, 18, 26, 10, 7, 12, 21, 17, 9, 6, 16, 5, 15, 14
- };
- return debruijn32[(x&-x)*0x076be629 >> 27];
-}
-
-static inline int a_ctz_64(uint64_t x)
-{
- uint32_t y = x;
- if (!y) {
- y = x>>32;
- return 32 + a_ctz_l(y);
- }
- return a_ctz_l(y);
-}
-
-#define LLSC_CLOBBERS "r0", "t", "memory"
-#define LLSC_START(mem) "synco\n" \
- "0: movli.l @" mem ", r0\n"
-#define LLSC_END(mem) \
- "1: movco.l r0, @" mem "\n" \
- " bf 0b\n" \
- " synco\n"
-
-static inline int __sh_cas_llsc(volatile int *p, int t, int s)
-{
- int old;
- __asm__ __volatile__(
- LLSC_START("%1")
- " mov r0, %0\n"
- " cmp/eq %0, %2\n"
- " bf 1f\n"
- " mov %3, r0\n"
- LLSC_END("%1")
- : "=&r"(old) : "r"(p), "r"(t), "r"(s) : LLSC_CLOBBERS);
- return old;
-}
-
-static inline int __sh_swap_llsc(volatile int *x, int v)
-{
- int old;
- __asm__ __volatile__(
- LLSC_START("%1")
- " mov r0, %0\n"
- " mov %2, r0\n"
- LLSC_END("%1")
- : "=&r"(old) : "r"(x), "r"(v) : LLSC_CLOBBERS);
- return old;
-}
-
-static inline int __sh_fetch_add_llsc(volatile int *x, int v)
-{
- int old;
- __asm__ __volatile__(
- LLSC_START("%1")
- " mov r0, %0\n"
- " add %2, r0\n"
- LLSC_END("%1")
- : "=&r"(old) : "r"(x), "r"(v) : LLSC_CLOBBERS);
- return old;
-}
-
-static inline void __sh_store_llsc(volatile int *p, int x)
-{
- __asm__ __volatile__(
- " synco\n"
- " mov.l %1, @%0\n"
- " synco\n"
- : : "r"(p), "r"(x) : "memory");
-}
-
-static inline void __sh_and_llsc(volatile int *x, int v)
-{
- __asm__ __volatile__(
- LLSC_START("%0")
- " and %1, r0\n"
- LLSC_END("%0")
- : : "r"(x), "r"(v) : LLSC_CLOBBERS);
-}
-
-static inline void __sh_or_llsc(volatile int *x, int v)
-{
- __asm__ __volatile__(
- LLSC_START("%0")
- " or %1, r0\n"
- LLSC_END("%0")
- : : "r"(x), "r"(v) : LLSC_CLOBBERS);
-}
-
-#ifdef __SH4A__
-#define a_cas(p,t,s) __sh_cas_llsc(p,t,s)
-#define a_swap(x,v) __sh_swap_llsc(x,v)
-#define a_fetch_add(x,v) __sh_fetch_add_llsc(x, v)
-#define a_store(x,v) __sh_store_llsc(x, v)
-#define a_and(x,v) __sh_and_llsc(x, v)
-#define a_or(x,v) __sh_or_llsc(x, v)
-#else
-
-int __sh_cas(volatile int *, int, int);
-int __sh_swap(volatile int *, int);
-int __sh_fetch_add(volatile int *, int);
-void __sh_store(volatile int *, int);
-void __sh_and(volatile int *, int);
-void __sh_or(volatile int *, int);
-
-#define a_cas(p,t,s) __sh_cas(p,t,s)
-#define a_swap(x,v) __sh_swap(x,v)
-#define a_fetch_add(x,v) __sh_fetch_add(x, v)
-#define a_store(x,v) __sh_store(x, v)
-#define a_and(x,v) __sh_and(x, v)
-#define a_or(x,v) __sh_or(x, v)
-#endif
-
-static inline void *a_cas_p(volatile void *p, void *t, void *s)
-{
- return (void *)a_cas(p, (int)t, (int)s);
-}
-
-static inline void a_inc(volatile int *x)
-{
- a_fetch_add(x, 1);
-}
-
-static inline void a_dec(volatile int *x)
-{
- a_fetch_add(x, -1);
-}
-
-#define a_spin a_barrier
-
-static inline void a_barrier()
-{
- a_cas(&(int){0}, 0, 0);
-}
-
-static inline void a_crash()
-{
- *(volatile char *)0=0;
-}
-
-static inline void a_or_l(volatile void *p, long v)
-{
- a_or(p, v);
-}
-
-static inline void a_and_64(volatile uint64_t *p, uint64_t v)
-{
- union { uint64_t v; uint32_t r[2]; } u = { v };
- a_and((int *)p, u.r[0]);
- a_and((int *)p+1, u.r[1]);
-}
-
-static inline void a_or_64(volatile uint64_t *p, uint64_t v)
-{
- union { uint64_t v; uint32_t r[2]; } u = { v };
- a_or((int *)p, u.r[0]);
- a_or((int *)p+1, u.r[1]);
-}
-
-#endif
--- /dev/null
+++ b/arch/sh/atomic_arch.h
@@ -0,0 +1,46 @@
+#if defined(__SH4A__)
+
+#define a_ll a_ll
+static inline int a_ll(volatile int *p)
+{
+ int v;
+ __asm__ __volatile__ ("movli.l @%1, %0" : "=z"(v) : "r"(p), "m"(*p));
+ return v;
+}
+
+#define a_sc a_sc
+static inline int a_sc(volatile int *p, int v)
+{
+ int r;
+ __asm__ __volatile__ (
+ "movco.l %2, @%3 ; movt %0"
+ : "=r"(r), "=m"(*p) : "z"(v), "r"(p) : "memory", "cc");
+ return r;
+}
+
+#define a_barrier a_barrier
+static inline void a_barrier()
+{
+ __asm__ __volatile__ ("synco" : : "memory");
+}
+
+#define a_pre_llsc a_barrier
+#define a_post_llsc a_barrier
+
+#else
+
+#define a_cas a_cas
+__attribute__((__visibility__("hidden"))) extern const void *__sh_cas_ptr;
+static inline int a_cas(volatile int *p, int t, int s)
+{
+ register int r1 __asm__("r1");
+ register int r2 __asm__("r2") = t;
+ register int r3 __asm__("r3") = s;
+ __asm__ __volatile__ (
+ "jsr @%4 ; nop"
+ : "=r"(r1), "+r"(r3) : "z"(p), "r"(r2), "r"(__sh_cas_ptr)
+ : "memory", "pr", "cc");
+ return r3;
+}
+
+#endif
--- a/arch/sh/bits/errno.h
+++ /dev/null
@@ -1,134 +0,0 @@
-#define EPERM 1
-#define ENOENT 2
-#define ESRCH 3
-#define EINTR 4
-#define EIO 5
-#define ENXIO 6
-#define E2BIG 7
-#define ENOEXEC 8
-#define EBADF 9
-#define ECHILD 10
-#define EAGAIN 11
-#define ENOMEM 12
-#define EACCES 13
-#define EFAULT 14
-#define ENOTBLK 15
-#define EBUSY 16
-#define EEXIST 17
-#define EXDEV 18
-#define ENODEV 19
-#define ENOTDIR 20
-#define EISDIR 21
-#define EINVAL 22
-#define ENFILE 23
-#define EMFILE 24
-#define ENOTTY 25
-#define ETXTBSY 26
-#define EFBIG 27
-#define ENOSPC 28
-#define ESPIPE 29
-#define EROFS 30
-#define EMLINK 31
-#define EPIPE 32
-#define EDOM 33
-#define ERANGE 34
-#define EDEADLK 35
-#define ENAMETOOLONG 36
-#define ENOLCK 37
-#define ENOSYS 38
-#define ENOTEMPTY 39
-#define ELOOP 40
-#define EWOULDBLOCK EAGAIN
-#define ENOMSG 42
-#define EIDRM 43
-#define ECHRNG 44
-#define EL2NSYNC 45
-#define EL3HLT 46
-#define EL3RST 47
-#define ELNRNG 48
-#define EUNATCH 49
-#define ENOCSI 50
-#define EL2HLT 51
-#define EBADE 52
-#define EBADR 53
-#define EXFULL 54
-#define ENOANO 55
-#define EBADRQC 56
-#define EBADSLT 57
-#define EDEADLOCK EDEADLK
-#define EBFONT 59
-#define ENOSTR 60
-#define ENODATA 61
-#define ETIME 62
-#define ENOSR 63
-#define ENONET 64
-#define ENOPKG 65
-#define EREMOTE 66
-#define ENOLINK 67
-#define EADV 68
-#define ESRMNT 69
-#define ECOMM 70
-#define EPROTO 71
-#define EMULTIHOP 72
-#define EDOTDOT 73
-#define EBADMSG 74
-#define EOVERFLOW 75
-#define ENOTUNIQ 76
-#define EBADFD 77
-#define EREMCHG 78
-#define ELIBACC 79
-#define ELIBBAD 80
-#define ELIBSCN 81
-#define ELIBMAX 82
-#define ELIBEXEC 83
-#define EILSEQ 84
-#define ERESTART 85
-#define ESTRPIPE 86
-#define EUSERS 87
-#define ENOTSOCK 88
-#define EDESTADDRREQ 89
-#define EMSGSIZE 90
-#define EPROTOTYPE 91
-#define ENOPROTOOPT 92
-#define EPROTONOSUPPORT 93
-#define ESOCKTNOSUPPORT 94
-#define EOPNOTSUPP 95
-#define ENOTSUP EOPNOTSUPP
-#define EPFNOSUPPORT 96
-#define EAFNOSUPPORT 97
-#define EADDRINUSE 98
-#define EADDRNOTAVAIL 99
-#define ENETDOWN 100
-#define ENETUNREACH 101
-#define ENETRESET 102
-#define ECONNABORTED 103
-#define ECONNRESET 104
-#define ENOBUFS 105
-#define EISCONN 106
-#define ENOTCONN 107
-#define ESHUTDOWN 108
-#define ETOOMANYREFS 109
-#define ETIMEDOUT 110
-#define ECONNREFUSED 111
-#define EHOSTDOWN 112
-#define EHOSTUNREACH 113
-#define EALREADY 114
-#define EINPROGRESS 115
-#define ESTALE 116
-#define EUCLEAN 117
-#define ENOTNAM 118
-#define ENAVAIL 119
-#define EISNAM 120
-#define EREMOTEIO 121
-#define EDQUOT 122
-#define ENOMEDIUM 123
-#define EMEDIUMTYPE 124
-#define ECANCELED 125
-#define ENOKEY 126
-#define EKEYEXPIRED 127
-#define EKEYREVOKED 128
-#define EKEYREJECTED 129
-#define EOWNERDEAD 130
-#define ENOTRECOVERABLE 131
-#define ERFKILL 132
-#define EHWPOISON 133
--- a/arch/sh/bits/fcntl.h
+++ /dev/null
@@ -1,40 +0,0 @@
-#define O_CREAT 0100
-#define O_EXCL 0200
-#define O_NOCTTY 0400
-#define O_TRUNC 01000
-#define O_APPEND 02000
-#define O_NONBLOCK 04000
-#define O_DSYNC 010000
-#define O_SYNC 04010000
-#define O_RSYNC 04010000
-#define O_DIRECTORY 0200000
-#define O_NOFOLLOW 0400000
-#define O_CLOEXEC 02000000
-
-#define O_ASYNC 020000
-#define O_DIRECT 040000
-#define O_LARGEFILE 0100000
-#define O_NOATIME 01000000
-#define O_PATH 010000000
-#define O_TMPFILE 020200000
-#define O_NDELAY O_NONBLOCK
-
-#define F_DUPFD 0
-#define F_GETFD 1
-#define F_SETFD 2
-#define F_GETFL 3
-#define F_SETFL 4
-
-#define F_SETOWN 8
-#define F_GETOWN 9
-#define F_SETSIG 10
-#define F_GETSIG 11
-
-#define F_GETLK 12
-#define F_SETLK 13
-#define F_SETLKW 14
-
-#define F_SETOWN_EX 15
-#define F_GETOWN_EX 16
-
-#define F_GETOWNER_UIDS 17
--- a/arch/sh/bits/ipc.h
+++ /dev/null
@@ -1,14 +0,0 @@
-struct ipc_perm
-{
- key_t __ipc_perm_key;
- uid_t uid;
- gid_t gid;
- uid_t cuid;
- gid_t cgid;
- mode_t mode;
- int __ipc_perm_seq;
- long __pad1;
- long __pad2;
-};
-
-#define IPC_64 0x100
--- a/arch/sh/bits/mman.h
+++ b/arch/sh/bits/mman.h
@@ -38,6 +38,7 @@
#define MCL_CURRENT 1
#define MCL_FUTURE 2
+#define MCL_ONFAULT 4
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
#define MADV_NORMAL 0
--- a/arch/sh/bits/msg.h
+++ /dev/null
@@ -1,16 +0,0 @@
-struct msqid_ds
-{
- struct ipc_perm msg_perm;
- time_t msg_stime;
- int __unused1;
- time_t msg_rtime;
- int __unused2;
- time_t msg_ctime;
- int __unused3;
- unsigned long msg_cbytes;
- msgqnum_t msg_qnum;
- msglen_t msg_qbytes;
- pid_t msg_lspid;
- pid_t msg_lrpid;
- unsigned long __unused[2];
-};
--- a/arch/sh/bits/sem.h
+++ /dev/null
@@ -1,16 +0,0 @@
-struct semid_ds {
- struct ipc_perm sem_perm;
- time_t sem_otime;
- time_t __unused1;
- time_t sem_ctime;
- time_t __unused2;
-#if __BYTE_ORDER == __LITTLE_ENDIAN
- unsigned short sem_nsems;
- char __sem_nsems_pad[sizeof(time_t)-sizeof(short)];
-#else
- char __sem_nsems_pad[sizeof(time_t)-sizeof(short)];
- unsigned short sem_nsems;
-#endif
- time_t __unused3;
- time_t __unused4;
-};
--- a/arch/sh/bits/socket.h
+++ /dev/null
@@ -1,17 +0,0 @@
-struct msghdr
-{
- void *msg_name;
- socklen_t msg_namelen;
- struct iovec *msg_iov;
- int msg_iovlen;
- void *msg_control;
- socklen_t msg_controllen;
- int msg_flags;
-};
-
-struct cmsghdr
-{
- socklen_t cmsg_len;
- int cmsg_level;
- int cmsg_type;
-};
--- a/arch/sh/bits/statfs.h
+++ /dev/null
@@ -1,7 +0,0 @@
-struct statfs {
- unsigned long f_type, f_bsize;
- fsblkcnt_t f_blocks, f_bfree, f_bavail;
- fsfilcnt_t f_files, f_ffree;
- fsid_t f_fsid;
- unsigned long f_namelen, f_frsize, f_flags, f_spare[4];
-};
--- a/arch/sh/bits/stdarg.h
+++ /dev/null
@@ -1,4 +0,0 @@
-#define va_start(v,l) __builtin_va_start(v,l)
-#define va_end(v) __builtin_va_end(v)
-#define va_arg(v,l) __builtin_va_arg(v,l)
-#define va_copy(d,s) __builtin_va_copy(d,s)
--- a/arch/sh/bits/termios.h
+++ /dev/null
@@ -1,160 +0,0 @@
-struct termios
-{
- tcflag_t c_iflag;
- tcflag_t c_oflag;
- tcflag_t c_cflag;
- tcflag_t c_lflag;
- cc_t c_line;
- cc_t c_cc[NCCS];
- speed_t __c_ispeed;
- speed_t __c_ospeed;
-};
-
-#define VINTR 0
-#define VQUIT 1
-#define VERASE 2
-#define VKILL 3
-#define VEOF 4
-#define VTIME 5
-#define VMIN 6
-#define VSWTC 7
-#define VSTART 8
-#define VSTOP 9
-#define VSUSP 10
-#define VEOL 11
-#define VREPRINT 12
-#define VDISCARD 13
-#define VWERASE 14
-#define VLNEXT 15
-#define VEOL2 16
-
-#define IGNBRK 0000001
-#define BRKINT 0000002
-#define IGNPAR 0000004
-#define PARMRK 0000010
-#define INPCK 0000020
-#define ISTRIP 0000040
-#define INLCR 0000100
-#define IGNCR 0000200
-#define ICRNL 0000400
-#define IUCLC 0001000
-#define IXON 0002000
-#define IXANY 0004000
-#define IXOFF 0010000
-#define IMAXBEL 0020000
-#define IUTF8 0040000
-
-#define OPOST 0000001
-#define OLCUC 0000002
-#define ONLCR 0000004
-#define OCRNL 0000010
-#define ONOCR 0000020
-#define ONLRET 0000040
-#define OFILL 0000100
-#define OFDEL 0000200
-#define NLDLY 0000400
-#define NL0 0000000
-#define NL1 0000400
-#define CRDLY 0003000
-#define CR0 0000000
-#define CR1 0001000
-#define CR2 0002000
-#define CR3 0003000
-#define TABDLY 0014000
-#define TAB0 0000000
-#define TAB1 0004000
-#define TAB2 0010000
-#define TAB3 0014000
-#define BSDLY 0020000
-#define BS0 0000000
-#define BS1 0020000
-#define FFDLY 0100000
-#define FF0 0000000
-#define FF1 0100000
-
-#define VTDLY 0040000
-#define VT0 0000000
-#define VT1 0040000
-
-#define B0 0000000
-#define B50 0000001
-#define B75 0000002
-#define B110 0000003
-#define B134 0000004
-#define B150 0000005
-#define B200 0000006
-#define B300 0000007
-#define B600 0000010
-#define B1200 0000011
-#define B1800 0000012
-#define B2400 0000013
-#define B4800 0000014
-#define B9600 0000015
-#define B19200 0000016
-#define B38400 0000017
-
-#define B57600 0010001
-#define B115200 0010002
-#define B230400 0010003
-#define B460800 0010004
-#define B500000 0010005
-#define B576000 0010006
-#define B921600 0010007
-#define B1000000 0010010
-#define B1152000 0010011
-#define B1500000 0010012
-#define B2000000 0010013
-#define B2500000 0010014
-#define B3000000 0010015
-#define B3500000 0010016
-#define B4000000 0010017
-
-#define CBAUD 0010017
-
-#define CSIZE 0000060
-#define CS5 0000000
-#define CS6 0000020
-#define CS7 0000040
-#define CS8 0000060
-#define CSTOPB 0000100
-#define CREAD 0000200
-#define PARENB 0000400
-#define PARODD 0001000
-#define HUPCL 0002000
-#define CLOCAL 0004000
-
-#define ISIG 0000001
-#define ICANON 0000002
-#define ECHO 0000010
-#define ECHOE 0000020
-#define ECHOK 0000040
-#define ECHONL 0000100
-#define NOFLSH 0000200
-#define TOSTOP 0000400
-#define IEXTEN 0100000
-
-#define ECHOCTL 0001000
-#define ECHOPRT 0002000
-#define ECHOKE 0004000
-#define FLUSHO 0010000
-#define PENDIN 0040000
-
-#define TCOOFF 0
-#define TCOON 1
-#define TCIOFF 2
-#define TCION 3
-
-#define TCIFLUSH 0
-#define TCOFLUSH 1
-#define TCIOFLUSH 2
-
-#define TCSANOW 0
-#define TCSADRAIN 1
-#define TCSAFLUSH 2
-
-#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
-#define CBAUDEX 0010000
-#define CRTSCTS 020000000000
-#define EXTPROC 0200000
-#define XTABS 0014000
-#endif
--- a/arch/sh/crt_arch.h
+++ b/arch/sh/crt_arch.h
@@ -22,7 +22,8 @@ START ": \n"
" mov.l 1f, r5 \n"
" mov.l 1f+4, r6 \n"
" add r0, r5 \n"
-" bsr __fdpic_fixup \n"
+" mov.l 4f, r1 \n"
+"5: bsrf r1 \n"
" add r0, r6 \n"
" mov r0, r12 \n"
#endif
@@ -31,11 +32,16 @@ START ": \n"
" mov.l r9, @-r15 \n"
" mov.l r8, @-r15 \n"
" mov #-16, r0 \n"
-" bsr " START "_c \n"
+" mov.l 2f, r1 \n"
+"3: bsrf r1 \n"
" and r0, r15 \n"
".align 2 \n"
"1: .long __ROFIXUP_LIST__@PCREL \n"
" .long __ROFIXUP_END__@PCREL + 4 \n"
+"2: .long " START "_c@PCREL - (3b+4-.) \n"
+#ifndef SHARED
+"4: .long __fdpic_fixup@PCREL - (5b+4-.) \n"
+#endif
);
#ifndef SHARED
@@ -53,13 +59,14 @@ START ": \n"
" add r0, r5 \n"
" mov r15, r4 \n"
" mov #-16, r0 \n"
-" and r0, r15 \n"
-" bsr " START "_c \n"
-" nop \n"
+" mov.l 2f, r1 \n"
+"3: bsrf r1 \n"
+" and r0, r15 \n"
".align 2 \n"
".weak _DYNAMIC \n"
".hidden _DYNAMIC \n"
"1: .long _DYNAMIC-. \n"
+"2: .long " START "_c@PCREL - (3b+4-.) \n"
);
#endif
--- a/arch/sh/pthread_arch.h
+++ b/arch/sh/pthread_arch.h
@@ -8,4 +8,4 @@ static inline struct pthread *__pthread_
#define TLS_ABOVE_TP
#define TP_ADJ(p) ((char *)(p) + sizeof(struct pthread) - 8)
-#define CANCEL_REG_IP 17
+#define MC_PC sc_pc
--- a/arch/sh/reloc.h
+++ b/arch/sh/reloc.h
@@ -32,6 +32,8 @@
#define REL_DTPOFF R_SH_TLS_DTPOFF32
#define REL_TPOFF R_SH_TLS_TPOFF32
+#define DL_NOMMU_SUPPORT 1
+
#if __SH_FDPIC__
#define REL_FUNCDESC R_SH_FUNCDESC
#define REL_FUNCDESC_VAL R_SH_FUNCDESC_VALUE
--- a/arch/sh/src/__fpscr_values.c
+++ /dev/null
@@ -1,5 +0,0 @@
-#include "libc.h"
-
-/* used by gcc for switching the FPU between single and double precision */
-//const unsigned long __fpscr_values[2] ATTR_LIBC_VISIBILITY = { 0, 0x80000 };
-
--- a/arch/sh/src/__set_thread_area.c
+++ /dev/null
@@ -1,34 +0,0 @@
-#include "pthread_impl.h"
-#include "libc.h"
-#include "sh_atomic.h"
-#include <elf.h>
-
-/* Also perform sh-specific init */
-
-#define CPU_HAS_LLSC 0x0040
-
-__attribute__((__visibility__("hidden"))) unsigned __sh_atomic_model, __sh_nommu;
-
-int __set_thread_area(void *p)
-{
- size_t *aux;
- __asm__ __volatile__ ( "ldc %0, gbr" : : "r"(p) : "memory" );
-#ifndef __SH4A__
- if (__hwcap & CPU_HAS_LLSC) {
- __sh_atomic_model = SH_A_LLSC;
- return 0;
- }
-#if !defined(__SH3__) && !defined(__SH4__)
- for (aux=libc.auxv; *aux; aux+=2) {
- if (*aux != AT_PLATFORM) continue;
- const char *s = (void *)aux[1];
- if (s[0]!='s' || s[1]!='h' || s[2]!='2' || s[3]-'0'<10u) break;
- __sh_atomic_model = SH_A_IMASK;
- __sh_nommu = 1;
- return 0;
- }
-#endif
- /* __sh_atomic_model = SH_A_GUSA; */ /* 0, default */
-#endif
- return 0;
-}
--- a/arch/sh/src/__shcall.c
+++ /dev/null
@@ -1,5 +0,0 @@
-__attribute__((__visibility__("hidden")))
-int __shcall(void *arg, int (*func)(void *))
-{
- return func(arg);
-}
--- a/arch/sh/src/__unmapself.c
+++ /dev/null
@@ -1,24 +0,0 @@
-#include "pthread_impl.h"
-
-void __unmapself_sh_mmu(void *, size_t);
-void __unmapself_sh_nommu(void *, size_t);
-
-#if !defined(__SH3__) && !defined(__SH4__)
-#define __unmapself __unmapself_sh_nommu
-#include "dynlink.h"
-#undef CRTJMP
-#define CRTJMP(pc,sp) __asm__ __volatile__( \
- "mov.l @%0+,r0 ; mov.l @%0,r12 ; jmp @r0 ; mov %1,r15" \
- : : "r"(pc), "r"(sp) : "r0", "memory" )
-#include "../../../src/thread/__unmapself.c"
-#undef __unmapself
-extern __attribute__((__visibility__("hidden"))) unsigned __sh_nommu;
-#else
-#define __sh_nommu 0
-#endif
-
-void __unmapself(void *base, size_t size)
-{
- if (__sh_nommu) __unmapself_sh_nommu(base, size);
- else __unmapself_sh_mmu(base, size);
-}
--- a/arch/sh/src/atomic.c
+++ /dev/null
@@ -1,158 +0,0 @@
-#ifndef __SH4A__
-
-#include "sh_atomic.h"
-#include "atomic.h"
-#include "libc.h"
-
-static inline unsigned mask()
-{
- unsigned sr;
- __asm__ __volatile__ ( "\n"
- " stc sr,r0 \n"
- " mov r0,%0 \n"
- " or #0xf0,r0 \n"
- " ldc r0,sr \n"
- : "=&r"(sr) : : "memory", "r0" );
- return sr;
-}
-
-static inline void unmask(unsigned sr)
-{
- __asm__ __volatile__ ( "ldc %0,sr" : : "r"(sr) : "memory" );
-}
-
-/* gusa is a hack in the kernel which lets you create a sequence of instructions
- * which will be restarted if the process is preempted in the middle of the
- * sequence. It will do for implementing atomics on non-smp systems. ABI is:
- * r0 = address of first instruction after the atomic sequence
- * r1 = original stack pointer
- * r15 = -1 * length of atomic sequence in bytes
- */
-#define GUSA_CLOBBERS "r0", "r1", "memory"
-#define GUSA_START(mem,old,nop) \
- " .align 2\n" \
- " mova 1f, r0\n" \
- nop \
- " mov r15, r1\n" \
- " mov #(0f-1f), r15\n" \
- "0: mov.l @" mem ", " old "\n"
-/* the target of mova must be 4 byte aligned, so we may need a nop */
-#define GUSA_START_ODD(mem,old) GUSA_START(mem,old,"")
-#define GUSA_START_EVEN(mem,old) GUSA_START(mem,old,"\tnop\n")
-#define GUSA_END(mem,new) \
- " mov.l " new ", @" mem "\n" \
- "1: mov r1, r15\n"
-
-int __sh_cas(volatile int *p, int t, int s)
-{
- if (__sh_atomic_model == SH_A_LLSC) return __sh_cas_llsc(p, t, s);
-
- if (__sh_atomic_model == SH_A_IMASK) {
- unsigned sr = mask();
- int old = *p;
- if (old==t) *p = s;
- unmask(sr);
- return old;
- }
-
- int old;
- __asm__ __volatile__(
- GUSA_START_EVEN("%1", "%0")
- " cmp/eq %0, %2\n"
- " bf 1f\n"
- GUSA_END("%1", "%3")
- : "=&r"(old) : "r"(p), "r"(t), "r"(s) : GUSA_CLOBBERS, "t");
- return old;
-}
-
-int __sh_swap(volatile int *x, int v)
-{
- if (__sh_atomic_model == SH_A_LLSC) return __sh_swap_llsc(x, v);
-
- if (__sh_atomic_model == SH_A_IMASK) {
- unsigned sr = mask();
- int old = *x;
- *x = v;
- unmask(sr);
- return old;
- }
-
- int old;
- __asm__ __volatile__(
- GUSA_START_EVEN("%1", "%0")
- GUSA_END("%1", "%2")
- : "=&r"(old) : "r"(x), "r"(v) : GUSA_CLOBBERS);
- return old;
-}
-
-int __sh_fetch_add(volatile int *x, int v)
-{
- if (__sh_atomic_model == SH_A_LLSC) return __sh_fetch_add_llsc(x, v);
-
- if (__sh_atomic_model == SH_A_IMASK) {
- unsigned sr = mask();
- int old = *x;
- *x = old + v;
- unmask(sr);
- return old;
- }
-
- int old, dummy;
- __asm__ __volatile__(
- GUSA_START_EVEN("%2", "%0")
- " mov %0, %1\n"
- " add %3, %1\n"
- GUSA_END("%2", "%1")
- : "=&r"(old), "=&r"(dummy) : "r"(x), "r"(v) : GUSA_CLOBBERS);
- return old;
-}
-
-void __sh_store(volatile int *p, int x)
-{
- if (__sh_atomic_model == SH_A_LLSC) return __sh_store_llsc(p, x);
- __asm__ __volatile__(
- " mov.l %1, @%0\n"
- : : "r"(p), "r"(x) : "memory");
-}
-
-void __sh_and(volatile int *x, int v)
-{
- if (__sh_atomic_model == SH_A_LLSC) return __sh_and_llsc(x, v);
-
- if (__sh_atomic_model == SH_A_IMASK) {
- unsigned sr = mask();
- int old = *x;
- *x = old & v;
- unmask(sr);
- return;
- }
-
- int dummy;
- __asm__ __volatile__(
- GUSA_START_ODD("%1", "%0")
- " and %2, %0\n"
- GUSA_END("%1", "%0")
- : "=&r"(dummy) : "r"(x), "r"(v) : GUSA_CLOBBERS);
-}
-
-void __sh_or(volatile int *x, int v)
-{
- if (__sh_atomic_model == SH_A_LLSC) return __sh_or_llsc(x, v);
-
- if (__sh_atomic_model == SH_A_IMASK) {
- unsigned sr = mask();
- int old = *x;
- *x = old | v;
- unmask(sr);
- return;
- }
-
- int dummy;
- __asm__ __volatile__(
- GUSA_START_ODD("%1", "%0")
- " or %2, %0\n"
- GUSA_END("%1", "%0")
- : "=&r"(dummy) : "r"(x), "r"(v) : GUSA_CLOBBERS);
-}
-
-#endif
--- a/arch/sh/src/sh_atomic.h
+++ /dev/null
@@ -1,15 +0,0 @@
-#ifndef _SH_ATOMIC_H
-#define _SH_ATOMIC_H
-
-#define SH_A_GUSA 0
-#define SH_A_LLSC 1
-#define SH_A_CAS 2
-#if !defined(__SH3__) && !defined(__SH4__)
-#define SH_A_IMASK 3
-#else
-#define SH_A_IMASK -1LL /* unmatchable by unsigned int */
-#endif
-
-extern __attribute__((__visibility__("hidden"))) unsigned __sh_atomic_model;
-
-#endif
--- a/arch/x32/atomic.h
+++ /dev/null
@@ -1,105 +0,0 @@
-#ifndef _INTERNAL_ATOMIC_H
-#define _INTERNAL_ATOMIC_H
-
-#include <stdint.h>
-
-static inline int a_ctz_64(uint64_t x)
-{
- __asm__( "bsf %1,%0" : "=r"(x) : "r"(x) );
- return x;
-}
-
-static inline int a_ctz_l(unsigned long x)
-{
- __asm__( "bsf %1,%0" : "=r"(x) : "r"(x) );
- return x;
-}
-
-static inline void a_and_64(volatile uint64_t *p, uint64_t v)
-{
- __asm__( "lock ; and %1, %0"
- : "=m"(*p) : "r"(v) : "memory" );
-}
-
-static inline void a_or_64(volatile uint64_t *p, uint64_t v)
-{
- __asm__( "lock ; or %1, %0"
- : "=m"(*p) : "r"(v) : "memory" );
-}
-
-static inline void a_or_l(volatile void *p, long v)
-{
- __asm__( "lock ; or %1, %0"
- : "=m"(*(long *)p) : "r"(v) : "memory" );
-}
-
-static inline void *a_cas_p(volatile void *p, void *t, void *s)
-{
- __asm__( "lock ; cmpxchg %3, %1"
- : "=a"(t), "=m"(*(long *)p) : "a"(t), "r"(s) : "memory" );
- return t;
-}
-
-static inline int a_cas(volatile int *p, int t, int s)
-{
- __asm__( "lock ; cmpxchg %3, %1"
- : "=a"(t), "=m"(*p) : "a"(t), "r"(s) : "memory" );
- return t;
-}
-
-static inline void a_or(volatile int *p, int v)
-{
- __asm__( "lock ; or %1, %0"
- : "=m"(*p) : "r"(v) : "memory" );
-}
-
-static inline void a_and(volatile int *p, int v)
-{
- __asm__( "lock ; and %1, %0"
- : "=m"(*p) : "r"(v) : "memory" );
-}
-
-static inline int a_swap(volatile int *x, int v)
-{
- __asm__( "xchg %0, %1" : "=r"(v), "=m"(*x) : "0"(v) : "memory" );
- return v;
-}
-
-static inline int a_fetch_add(volatile int *x, int v)
-{
- __asm__( "lock ; xadd %0, %1" : "=r"(v), "=m"(*x) : "0"(v) : "memory" );
- return v;
-}
-
-static inline void a_inc(volatile int *x)
-{
- __asm__( "lock ; incl %0" : "=m"(*x) : "m"(*x) : "memory" );
-}
-
-static inline void a_dec(volatile int *x)
-{
- __asm__( "lock ; decl %0" : "=m"(*x) : "m"(*x) : "memory" );
-}
-
-static inline void a_store(volatile int *p, int x)
-{
- __asm__( "mov %1, %0 ; lock ; orl $0,(%%rsp)" : "=m"(*p) : "r"(x) : "memory" );
-}
-
-static inline void a_spin()
-{
- __asm__ __volatile__( "pause" : : : "memory" );
-}
-
-static inline void a_barrier()
-{
- __asm__ __volatile__( "" : : : "memory" );
-}
-
-static inline void a_crash()
-{
- __asm__ __volatile__( "hlt" : : : "memory" );
-}
-
-
-#endif
--- /dev/null
+++ b/arch/x32/atomic_arch.h
@@ -0,0 +1,114 @@
+#define a_cas a_cas
+static inline int a_cas(volatile int *p, int t, int s)
+{
+ __asm__ __volatile__ (
+ "lock ; cmpxchg %3, %1"
+ : "=a"(t), "=m"(*p) : "a"(t), "r"(s) : "memory" );
+ return t;
+}
+
+#define a_swap a_swap
+static inline int a_swap(volatile int *p, int v)
+{
+ __asm__ __volatile__(
+ "xchg %0, %1"
+ : "=r"(v), "=m"(*p) : "0"(v) : "memory" );
+ return v;
+}
+
+#define a_fetch_add a_fetch_add
+static inline int a_fetch_add(volatile int *p, int v)
+{
+ __asm__ __volatile__(
+ "lock ; xadd %0, %1"
+ : "=r"(v), "=m"(*p) : "0"(v) : "memory" );
+ return v;
+}
+
+#define a_and a_and
+static inline void a_and(volatile int *p, int v)
+{
+ __asm__ __volatile__(
+ "lock ; and %1, %0"
+ : "=m"(*p) : "r"(v) : "memory" );
+}
+
+#define a_or a_or
+static inline void a_or(volatile int *p, int v)
+{
+ __asm__ __volatile__(
+ "lock ; or %1, %0"
+ : "=m"(*p) : "r"(v) : "memory" );
+}
+
+#define a_and_64 a_and_64
+static inline void a_and_64(volatile uint64_t *p, uint64_t v)
+{
+ __asm__ __volatile(
+ "lock ; and %1, %0"
+ : "=m"(*p) : "r"(v) : "memory" );
+}
+
+#define a_or_64 a_or_64
+static inline void a_or_64(volatile uint64_t *p, uint64_t v)
+{
+ __asm__ __volatile__(
+ "lock ; or %1, %0"
+ : "=m"(*p) : "r"(v) : "memory" );
+}
+
+#define a_inc a_inc
+static inline void a_inc(volatile int *p)
+{
+ __asm__ __volatile__(
+ "lock ; incl %0"
+ : "=m"(*p) : "m"(*p) : "memory" );
+}
+
+#define a_dec a_dec
+static inline void a_dec(volatile int *p)
+{
+ __asm__ __volatile__(
+ "lock ; decl %0"
+ : "=m"(*p) : "m"(*p) : "memory" );
+}
+
+#define a_store a_store
+static inline void a_store(volatile int *p, int x)
+{
+ __asm__ __volatile__(
+ "mov %1, %0 ; lock ; orl $0,(%%rsp)"
+ : "=m"(*p) : "r"(x) : "memory" );
+}
+
+#define a_barrier a_barrier
+static inline void a_barrier()
+{
+ __asm__ __volatile__( "" : : : "memory" );
+}
+
+#define a_pause a_pause
+static inline void a_spin()
+{
+ __asm__ __volatile__( "pause" : : : "memory" );
+}
+
+#define a_crash a_crash
+static inline void a_crash()
+{
+ __asm__ __volatile__( "hlt" : : : "memory" );
+}
+
+#define a_ctz_64 a_ctz_64
+static inline int a_ctz_64(uint64_t x)
+{
+ __asm__( "bsf %1,%0" : "=r"(x) : "r"(x) );
+ return x;
+}
+
+#define a_ctz_l a_ctz_l
+static inline int a_ctz_l(unsigned long x)
+{
+ __asm__( "bsf %1,%0" : "=r"(x) : "r"(x) );
+ return x;
+}
--- a/arch/x32/bits/errno.h
+++ /dev/null
@@ -1,134 +0,0 @@
-#define EPERM 1
-#define ENOENT 2
-#define ESRCH 3
-#define EINTR 4
-#define EIO 5
-#define ENXIO 6
-#define E2BIG 7
-#define ENOEXEC 8
-#define EBADF 9
-#define ECHILD 10
-#define EAGAIN 11
-#define ENOMEM 12
-#define EACCES 13
-#define EFAULT 14
-#define ENOTBLK 15
-#define EBUSY 16
-#define EEXIST 17
-#define EXDEV 18
-#define ENODEV 19
-#define ENOTDIR 20
-#define EISDIR 21
-#define EINVAL 22
-#define ENFILE 23
-#define EMFILE 24
-#define ENOTTY 25
-#define ETXTBSY 26
-#define EFBIG 27
-#define ENOSPC 28
-#define ESPIPE 29
-#define EROFS 30
-#define EMLINK 31
-#define EPIPE 32
-#define EDOM 33
-#define ERANGE 34
-#define EDEADLK 35
-#define ENAMETOOLONG 36
-#define ENOLCK 37
-#define ENOSYS 38
-#define ENOTEMPTY 39
-#define ELOOP 40
-#define EWOULDBLOCK EAGAIN
-#define ENOMSG 42
-#define EIDRM 43
-#define ECHRNG 44
-#define EL2NSYNC 45
-#define EL3HLT 46
-#define EL3RST 47
-#define ELNRNG 48
-#define EUNATCH 49
-#define ENOCSI 50
-#define EL2HLT 51
-#define EBADE 52
-#define EBADR 53
-#define EXFULL 54
-#define ENOANO 55
-#define EBADRQC 56
-#define EBADSLT 57
-#define EDEADLOCK EDEADLK
-#define EBFONT 59
-#define ENOSTR 60
-#define ENODATA 61
-#define ETIME 62
-#define ENOSR 63
-#define ENONET 64
-#define ENOPKG 65
-#define EREMOTE 66
-#define ENOLINK 67
-#define EADV 68
-#define ESRMNT 69
-#define ECOMM 70
-#define EPROTO 71
-#define EMULTIHOP 72
-#define EDOTDOT 73
-#define EBADMSG 74
-#define EOVERFLOW 75
-#define ENOTUNIQ 76
-#define EBADFD 77
-#define EREMCHG 78
-#define ELIBACC 79
-#define ELIBBAD 80
-#define ELIBSCN 81
-#define ELIBMAX 82
-#define ELIBEXEC 83
-#define EILSEQ 84
-#define ERESTART 85
-#define ESTRPIPE 86
-#define EUSERS 87
-#define ENOTSOCK 88
-#define EDESTADDRREQ 89
-#define EMSGSIZE 90
-#define EPROTOTYPE 91
-#define ENOPROTOOPT 92
-#define EPROTONOSUPPORT 93
-#define ESOCKTNOSUPPORT 94
-#define EOPNOTSUPP 95
-#define ENOTSUP EOPNOTSUPP
-#define EPFNOSUPPORT 96
-#define EAFNOSUPPORT 97
-#define EADDRINUSE 98
-#define EADDRNOTAVAIL 99
-#define ENETDOWN 100
-#define ENETUNREACH 101
-#define ENETRESET 102
-#define ECONNABORTED 103
-#define ECONNRESET 104
-#define ENOBUFS 105
-#define EISCONN 106
-#define ENOTCONN 107
-#define ESHUTDOWN 108
-#define ETOOMANYREFS 109
-#define ETIMEDOUT 110
-#define ECONNREFUSED 111
-#define EHOSTDOWN 112
-#define EHOSTUNREACH 113
-#define EALREADY 114
-#define EINPROGRESS 115
-#define ESTALE 116
-#define EUCLEAN 117
-#define ENOTNAM 118
-#define ENAVAIL 119
-#define EISNAM 120
-#define EREMOTEIO 121
-#define EDQUOT 122
-#define ENOMEDIUM 123
-#define EMEDIUMTYPE 124
-#define ECANCELED 125
-#define ENOKEY 126
-#define EKEYEXPIRED 127
-#define EKEYREVOKED 128
-#define EKEYREJECTED 129
-#define EOWNERDEAD 130
-#define ENOTRECOVERABLE 131
-#define ERFKILL 132
-#define EHWPOISON 133
--- a/arch/x32/bits/mman.h
+++ b/arch/x32/bits/mman.h
@@ -38,6 +38,7 @@
#define MCL_CURRENT 1
#define MCL_FUTURE 2
+#define MCL_ONFAULT 4
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
#define MADV_NORMAL 0
--- a/arch/x32/bits/sem.h
+++ /dev/null
@@ -1,16 +0,0 @@
-struct semid_ds {
- struct ipc_perm sem_perm;
- time_t sem_otime;
- time_t __unused1;
- time_t sem_ctime;
- time_t __unused2;
-#if __BYTE_ORDER == __LITTLE_ENDIAN
- unsigned short sem_nsems;
- char __sem_nsems_pad[sizeof(time_t)-sizeof(short)];
-#else
- char __sem_nsems_pad[sizeof(time_t)-sizeof(short)];
- unsigned short sem_nsems;
-#endif
- time_t __unused3;
- time_t __unused4;
-};
--- a/arch/x32/bits/stdarg.h
+++ /dev/null
@@ -1,4 +0,0 @@
-#define va_start(v,l) __builtin_va_start(v,l)
-#define va_end(v) __builtin_va_end(v)
-#define va_arg(v,l) __builtin_va_arg(v,l)
-#define va_copy(d,s) __builtin_va_copy(d,s)
--- a/arch/x32/bits/syscall.h
+++ b/arch/x32/bits/syscall.h
@@ -277,6 +277,9 @@
#define __NR_memfd_create (__X32_SYSCALL_BIT + 319)
#define __NR_kexec_file_load (__X32_SYSCALL_BIT + 320)
#define __NR_bpf (__X32_SYSCALL_BIT + 321)
+#define __NR_userfaultfd (__X32_SYSCALL_BIT + 323)
+#define __NR_membarrier (__X32_SYSCALL_BIT + 324)
+#define __NR_mlock2 (__X32_SYSCALL_BIT + 325)
#define __NR_rt_sigaction (__X32_SYSCALL_BIT + 512)
#define __NR_rt_sigreturn (__X32_SYSCALL_BIT + 513)
@@ -607,6 +610,9 @@
#define SYS_memfd_create __NR_memfd_create
#define SYS_kexec_file_load __NR_kexec_file_load
#define SYS_bpf __NR_bpf
+#define SYS_userfaultfd __NR_userfaultfd
+#define SYS_membarrier __NR_membarrier
+#define SYS_mlock2 __NR_mlock2
#define SYS_rt_sigaction __NR_rt_sigaction
--- a/arch/x32/bits/termios.h
+++ /dev/null
@@ -1,160 +0,0 @@
-struct termios
-{
- tcflag_t c_iflag;
- tcflag_t c_oflag;
- tcflag_t c_cflag;
- tcflag_t c_lflag;
- cc_t c_line;
- cc_t c_cc[NCCS];
- speed_t __c_ispeed;
- speed_t __c_ospeed;
-};
-
-#define VINTR 0
-#define VQUIT 1
-#define VERASE 2
-#define VKILL 3
-#define VEOF 4
-#define VTIME 5
-#define VMIN 6
-#define VSWTC 7
-#define VSTART 8
-#define VSTOP 9
-#define VSUSP 10
-#define VEOL 11
-#define VREPRINT 12
-#define VDISCARD 13
-#define VWERASE 14
-#define VLNEXT 15
-#define VEOL2 16
-
-#define IGNBRK 0000001
-#define BRKINT 0000002
-#define IGNPAR 0000004
-#define PARMRK 0000010
-#define INPCK 0000020
-#define ISTRIP 0000040
-#define INLCR 0000100
-#define IGNCR 0000200
-#define ICRNL 0000400
-#define IUCLC 0001000
-#define IXON 0002000
-#define IXANY 0004000
-#define IXOFF 0010000
-#define IMAXBEL 0020000
-#define IUTF8 0040000
-
-#define OPOST 0000001
-#define OLCUC 0000002
-#define ONLCR 0000004
-#define OCRNL 0000010
-#define ONOCR 0000020
-#define ONLRET 0000040
-#define OFILL 0000100
-#define OFDEL 0000200
-#define NLDLY 0000400
-#define NL0 0000000
-#define NL1 0000400
-#define CRDLY 0003000
-#define CR0 0000000
-#define CR1 0001000
-#define CR2 0002000
-#define CR3 0003000
-#define TABDLY 0014000
-#define TAB0 0000000
-#define TAB1 0004000
-#define TAB2 0010000
-#define TAB3 0014000
-#define BSDLY 0020000
-#define BS0 0000000
-#define BS1 0020000
-#define FFDLY 0100000
-#define FF0 0000000
-#define FF1 0100000
-
-#define VTDLY 0040000
-#define VT0 0000000
-#define VT1 0040000
-
-#define B0 0000000
-#define B50 0000001
-#define B75 0000002
-#define B110 0000003
-#define B134 0000004
-#define B150 0000005
-#define B200 0000006
-#define B300 0000007
-#define B600 0000010
-#define B1200 0000011
-#define B1800 0000012
-#define B2400 0000013
-#define B4800 0000014
-#define B9600 0000015
-#define B19200 0000016
-#define B38400 0000017
-
-#define B57600 0010001
-#define B115200 0010002
-#define B230400 0010003
-#define B460800 0010004
-#define B500000 0010005
-#define B576000 0010006
-#define B921600 0010007
-#define B1000000 0010010
-#define B1152000 0010011
-#define B1500000 0010012
-#define B2000000 0010013
-#define B2500000 0010014
-#define B3000000 0010015
-#define B3500000 0010016
-#define B4000000 0010017
-
-#define CBAUD 0010017
-
-#define CSIZE 0000060
-#define CS5 0000000
-#define CS6 0000020
-#define CS7 0000040
-#define CS8 0000060
-#define CSTOPB 0000100
-#define CREAD 0000200
-#define PARENB 0000400
-#define PARODD 0001000
-#define HUPCL 0002000
-#define CLOCAL 0004000
-
-#define ISIG 0000001
-#define ICANON 0000002
-#define ECHO 0000010
-#define ECHOE 0000020
-#define ECHOK 0000040
-#define ECHONL 0000100
-#define NOFLSH 0000200
-#define TOSTOP 0000400
-#define IEXTEN 0100000
-
-#define ECHOCTL 0001000
-#define ECHOPRT 0002000
-#define ECHOKE 0004000
-#define FLUSHO 0010000
-#define PENDIN 0040000
-
-#define TCOOFF 0
-#define TCOON 1
-#define TCIOFF 2
-#define TCION 3
-
-#define TCIFLUSH 0
-#define TCOFLUSH 1
-#define TCIOFLUSH 2
-
-#define TCSANOW 0
-#define TCSADRAIN 1
-#define TCSAFLUSH 2
-
-#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
-#define CBAUDEX 0010000
-#define CRTSCTS 020000000000
-#define EXTPROC 0200000
-#define XTABS 0014000
-#endif
--- a/arch/x32/pthread_arch.h
+++ b/arch/x32/pthread_arch.h
@@ -7,6 +7,6 @@ static inline struct pthread *__pthread_
#define TP_ADJ(p) (p)
-#define CANCEL_REG_IP 32
+#define MC_PC gregs[REG_RIP]
#define CANARY canary2
--- a/arch/x32/src/syscall_cp_fixup.c
+++ /dev/null
@@ -1,42 +0,0 @@
-#include <sys/syscall.h>
-
-#ifdef SHARED
-__attribute__((__visibility__("hidden")))
-#endif
-long __syscall_cp_internal(volatile void*, long long, long long, long long, long long,
- long long, long long, long long);
-
-struct __timespec { long long tv_sec; long tv_nsec; };
-struct __timespec_kernel { long long tv_sec; long long tv_nsec; };
-#define __tsc(X) ((struct __timespec*)(unsigned long)(X))
-#define __fixup(X) do { if(X) { \
- ts->tv_sec = __tsc(X)->tv_sec; \
- ts->tv_nsec = __tsc(X)->tv_nsec; \
- (X) = (unsigned long)ts; } } while(0)
-
-#ifdef SHARED
-__attribute__((__visibility__("hidden")))
-#endif
-long __syscall_cp_asm (volatile void * foo, long long n, long long a1, long long a2, long long a3,
- long long a4, long long a5, long long a6)
-{
- struct __timespec_kernel ts[1];
- switch (n) {
- case SYS_mq_timedsend: case SYS_mq_timedreceive: case SYS_pselect6:
- __fixup(a5);
- break;
- case SYS_futex:
- if((a2 & (~128 /* FUTEX_PRIVATE_FLAG */)) == 0 /* FUTEX_WAIT */)
- __fixup(a4);
- break;
- case SYS_clock_nanosleep:
- case SYS_rt_sigtimedwait: case SYS_ppoll:
- __fixup(a3);
- break;
- case SYS_nanosleep:
- __fixup(a1);
- break;
- }
- return __syscall_cp_internal(foo, n, a1, a2, a3, a4, a5, a6);
-}
-
--- a/arch/x32/src/sysinfo.c
+++ /dev/null
@@ -1,50 +0,0 @@
-#include <sys/sysinfo.h>
-#include "syscall.h"
-#include "libc.h"
-
-#define klong long long
-#define kulong unsigned long long
-
-struct kernel_sysinfo {
- klong uptime;
- kulong loads[3];
- kulong totalram;
- kulong freeram;
- kulong sharedram;
- kulong bufferram;
- kulong totalswap;
- kulong freeswap;
- short procs;
- short pad;
- kulong totalhigh;
- kulong freehigh;
- unsigned mem_unit;
-};
-
-int __lsysinfo(struct sysinfo *info)
-{
- struct kernel_sysinfo tmp;
- int ret = syscall(SYS_sysinfo, &tmp);
- if(ret == -1) return ret;
- info->uptime = tmp.uptime;
- info->loads[0] = tmp.loads[0];
- info->loads[1] = tmp.loads[1];
- info->loads[2] = tmp.loads[2];
- kulong shifts;
- kulong max = tmp.totalram | tmp.totalswap;
- __asm__("bsr %1,%0" : "=r"(shifts) : "r"(max));
- shifts = shifts >= 32 ? shifts - 31 : 0;
- info->totalram = tmp.totalram >> shifts;
- info->freeram = tmp.freeram >> shifts;
- info->sharedram = tmp.sharedram >> shifts;
- info->bufferram = tmp.bufferram >> shifts;
- info->totalswap = tmp.totalswap >> shifts;
- info->freeswap = tmp.freeswap >> shifts;
- info->procs = tmp.procs ;
- info->totalhigh = tmp.totalhigh >> shifts;
- info->freehigh = tmp.freehigh >> shifts;
- info->mem_unit = (tmp.mem_unit ? tmp.mem_unit : 1) << shifts;
- return ret;
-}
-
-weak_alias(__lsysinfo, sysinfo);
--- a/arch/x86_64/atomic.h
+++ /dev/null
@@ -1,105 +0,0 @@
-#ifndef _INTERNAL_ATOMIC_H
-#define _INTERNAL_ATOMIC_H
-
-#include <stdint.h>
-
-static inline int a_ctz_64(uint64_t x)
-{
- __asm__( "bsf %1,%0" : "=r"(x) : "r"(x) );
- return x;
-}
-
-static inline int a_ctz_l(unsigned long x)
-{
- __asm__( "bsf %1,%0" : "=r"(x) : "r"(x) );
- return x;
-}
-
-static inline void a_and_64(volatile uint64_t *p, uint64_t v)
-{
- __asm__( "lock ; and %1, %0"
- : "=m"(*p) : "r"(v) : "memory" );
-}
-
-static inline void a_or_64(volatile uint64_t *p, uint64_t v)
-{
- __asm__( "lock ; or %1, %0"
- : "=m"(*p) : "r"(v) : "memory" );
-}
-
-static inline void a_or_l(volatile void *p, long v)
-{
- __asm__( "lock ; or %1, %0"
- : "=m"(*(long *)p) : "r"(v) : "memory" );
-}
-
-static inline void *a_cas_p(volatile void *p, void *t, void *s)
-{
- __asm__( "lock ; cmpxchg %3, %1"
- : "=a"(t), "=m"(*(long *)p) : "a"(t), "r"(s) : "memory" );
- return t;
-}
-
-static inline int a_cas(volatile int *p, int t, int s)
-{
- __asm__( "lock ; cmpxchg %3, %1"
- : "=a"(t), "=m"(*p) : "a"(t), "r"(s) : "memory" );
- return t;
-}
-
-static inline void a_or(volatile int *p, int v)
-{
- __asm__( "lock ; or %1, %0"
- : "=m"(*p) : "r"(v) : "memory" );
-}
-
-static inline void a_and(volatile int *p, int v)
-{
- __asm__( "lock ; and %1, %0"
- : "=m"(*p) : "r"(v) : "memory" );
-}
-
-static inline int a_swap(volatile int *x, int v)
-{
- __asm__( "xchg %0, %1" : "=r"(v), "=m"(*x) : "0"(v) : "memory" );
- return v;
-}
-
-static inline int a_fetch_add(volatile int *x, int v)
-{
- __asm__( "lock ; xadd %0, %1" : "=r"(v), "=m"(*x) : "0"(v) : "memory" );
- return v;
-}
-
-static inline void a_inc(volatile int *x)
-{
- __asm__( "lock ; incl %0" : "=m"(*x) : "m"(*x) : "memory" );
-}
-
-static inline void a_dec(volatile int *x)
-{
- __asm__( "lock ; decl %0" : "=m"(*x) : "m"(*x) : "memory" );
-}
-
-static inline void a_store(volatile int *p, int x)
-{
- __asm__( "mov %1, %0 ; lock ; orl $0,(%%rsp)" : "=m"(*p) : "r"(x) : "memory" );
-}
-
-static inline void a_spin()
-{
- __asm__ __volatile__( "pause" : : : "memory" );
-}
-
-static inline void a_barrier()
-{
- __asm__ __volatile__( "" : : : "memory" );
-}
-
-static inline void a_crash()
-{
- __asm__ __volatile__( "hlt" : : : "memory" );
-}
-
-
-#endif
--- /dev/null
+++ b/arch/x86_64/atomic_arch.h
@@ -0,0 +1,116 @@
+#define a_cas a_cas
+static inline int a_cas(volatile int *p, int t, int s)
+{
+ __asm__ __volatile__ (
+ "lock ; cmpxchg %3, %1"
+ : "=a"(t), "=m"(*p) : "a"(t), "r"(s) : "memory" );
+ return t;
+}
+
+#define a_cas_p a_cas_p
+static inline void *a_cas_p(volatile void *p, void *t, void *s)
+{
+ __asm__( "lock ; cmpxchg %3, %1"
+ : "=a"(t), "=m"(*(void *volatile *)p)
+ : "a"(t), "r"(s) : "memory" );
+ return t;
+}
+
+#define a_swap a_swap
+static inline int a_swap(volatile int *p, int v)
+{
+ __asm__ __volatile__(
+ "xchg %0, %1"
+ : "=r"(v), "=m"(*p) : "0"(v) : "memory" );
+ return v;
+}
+
+#define a_fetch_add a_fetch_add
+static inline int a_fetch_add(volatile int *p, int v)
+{
+ __asm__ __volatile__(
+ "lock ; xadd %0, %1"
+ : "=r"(v), "=m"(*p) : "0"(v) : "memory" );
+ return v;
+}
+
+#define a_and a_and
+static inline void a_and(volatile int *p, int v)
+{
+ __asm__ __volatile__(
+ "lock ; and %1, %0"
+ : "=m"(*p) : "r"(v) : "memory" );
+}
+
+#define a_or a_or
+static inline void a_or(volatile int *p, int v)
+{
+ __asm__ __volatile__(
+ "lock ; or %1, %0"
+ : "=m"(*p) : "r"(v) : "memory" );
+}
+
+#define a_and_64 a_and_64
+static inline void a_and_64(volatile uint64_t *p, uint64_t v)
+{
+ __asm__ __volatile(
+ "lock ; and %1, %0"
+ : "=m"(*p) : "r"(v) : "memory" );
+}
+
+#define a_or_64 a_or_64
+static inline void a_or_64(volatile uint64_t *p, uint64_t v)
+{
+ __asm__ __volatile__(
+ "lock ; or %1, %0"
+ : "=m"(*p) : "r"(v) : "memory" );
+}
+
+#define a_inc a_inc
+static inline void a_inc(volatile int *p)
+{
+ __asm__ __volatile__(
+ "lock ; incl %0"
+ : "=m"(*p) : "m"(*p) : "memory" );
+}
+
+#define a_dec a_dec
+static inline void a_dec(volatile int *p)
+{
+ __asm__ __volatile__(
+ "lock ; decl %0"
+ : "=m"(*p) : "m"(*p) : "memory" );
+}
+
+#define a_store a_store
+static inline void a_store(volatile int *p, int x)
+{
+ __asm__ __volatile__(
+ "mov %1, %0 ; lock ; orl $0,(%%rsp)"
+ : "=m"(*p) : "r"(x) : "memory" );
+}
+
+#define a_barrier a_barrier
+static inline void a_barrier()
+{
+ __asm__ __volatile__( "" : : : "memory" );
+}
+
+#define a_pause a_pause
+static inline void a_spin()
+{
+ __asm__ __volatile__( "pause" : : : "memory" );
+}
+
+#define a_crash a_crash
+static inline void a_crash()
+{
+ __asm__ __volatile__( "hlt" : : : "memory" );
+}
+
+#define a_ctz_64 a_ctz_64
+static inline int a_ctz_64(uint64_t x)
+{
+ __asm__( "bsf %1,%0" : "=r"(x) : "r"(x) );
+ return x;
+}
--- a/arch/x86_64/bits/errno.h
+++ /dev/null
@@ -1,134 +0,0 @@
-#define EPERM 1
-#define ENOENT 2
-#define ESRCH 3
-#define EINTR 4
-#define EIO 5
-#define ENXIO 6
-#define E2BIG 7
-#define ENOEXEC 8
-#define EBADF 9
-#define ECHILD 10
-#define EAGAIN 11
-#define ENOMEM 12
-#define EACCES 13
-#define EFAULT 14
-#define ENOTBLK 15
-#define EBUSY 16
-#define EEXIST 17
-#define EXDEV 18
-#define ENODEV 19
-#define ENOTDIR 20
-#define EISDIR 21
-#define EINVAL 22
-#define ENFILE 23
-#define EMFILE 24
-#define ENOTTY 25
-#define ETXTBSY 26
-#define EFBIG 27
-#define ENOSPC 28
-#define ESPIPE 29
-#define EROFS 30
-#define EMLINK 31
-#define EPIPE 32
-#define EDOM 33
-#define ERANGE 34
-#define EDEADLK 35
-#define ENAMETOOLONG 36
-#define ENOLCK 37
-#define ENOSYS 38
-#define ENOTEMPTY 39
-#define ELOOP 40
-#define EWOULDBLOCK EAGAIN
-#define ENOMSG 42
-#define EIDRM 43
-#define ECHRNG 44
-#define EL2NSYNC 45
-#define EL3HLT 46
-#define EL3RST 47
-#define ELNRNG 48
-#define EUNATCH 49
-#define ENOCSI 50
-#define EL2HLT 51
-#define EBADE 52
-#define EBADR 53
-#define EXFULL 54
-#define ENOANO 55
-#define EBADRQC 56
-#define EBADSLT 57
-#define EDEADLOCK EDEADLK
-#define EBFONT 59
-#define ENOSTR 60
-#define ENODATA 61
-#define ETIME 62
-#define ENOSR 63
-#define ENONET 64
-#define ENOPKG 65
-#define EREMOTE 66
-#define ENOLINK 67
-#define EADV 68
-#define ESRMNT 69
-#define ECOMM 70
-#define EPROTO 71
-#define EMULTIHOP 72
-#define EDOTDOT 73
-#define EBADMSG 74
-#define EOVERFLOW 75
-#define ENOTUNIQ 76
-#define EBADFD 77
-#define EREMCHG 78
-#define ELIBACC 79
-#define ELIBBAD 80
-#define ELIBSCN 81
-#define ELIBMAX 82
-#define ELIBEXEC 83
-#define EILSEQ 84
-#define ERESTART 85
-#define ESTRPIPE 86
-#define EUSERS 87
-#define ENOTSOCK 88
-#define EDESTADDRREQ 89
-#define EMSGSIZE 90
-#define EPROTOTYPE 91
-#define ENOPROTOOPT 92
-#define EPROTONOSUPPORT 93
-#define ESOCKTNOSUPPORT 94
-#define EOPNOTSUPP 95
-#define ENOTSUP EOPNOTSUPP
-#define EPFNOSUPPORT 96
-#define EAFNOSUPPORT 97
-#define EADDRINUSE 98
-#define EADDRNOTAVAIL 99
-#define ENETDOWN 100
-#define ENETUNREACH 101
-#define ENETRESET 102
-#define ECONNABORTED 103
-#define ECONNRESET 104
-#define ENOBUFS 105
-#define EISCONN 106
-#define ENOTCONN 107
-#define ESHUTDOWN 108
-#define ETOOMANYREFS 109
-#define ETIMEDOUT 110
-#define ECONNREFUSED 111
-#define EHOSTDOWN 112
-#define EHOSTUNREACH 113
-#define EALREADY 114
-#define EINPROGRESS 115
-#define ESTALE 116
-#define EUCLEAN 117
-#define ENOTNAM 118
-#define ENAVAIL 119
-#define EISNAM 120
-#define EREMOTEIO 121
-#define EDQUOT 122
-#define ENOMEDIUM 123
-#define EMEDIUMTYPE 124
-#define ECANCELED 125
-#define ENOKEY 126
-#define EKEYEXPIRED 127
-#define EKEYREVOKED 128
-#define EKEYREJECTED 129
-#define EOWNERDEAD 130
-#define ENOTRECOVERABLE 131
-#define ERFKILL 132
-#define EHWPOISON 133
--- a/arch/x86_64/bits/mman.h
+++ b/arch/x86_64/bits/mman.h
@@ -38,6 +38,7 @@
#define MCL_CURRENT 1
#define MCL_FUTURE 2
+#define MCL_ONFAULT 4
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
#define MADV_NORMAL 0
--- a/arch/x86_64/bits/sem.h
+++ /dev/null
@@ -1,16 +0,0 @@
-struct semid_ds {
- struct ipc_perm sem_perm;
- time_t sem_otime;
- time_t __unused1;
- time_t sem_ctime;
- time_t __unused2;
-#if __BYTE_ORDER == __LITTLE_ENDIAN
- unsigned short sem_nsems;
- char __sem_nsems_pad[sizeof(time_t)-sizeof(short)];
-#else
- char __sem_nsems_pad[sizeof(time_t)-sizeof(short)];
- unsigned short sem_nsems;
-#endif
- time_t __unused3;
- time_t __unused4;
-};
--- a/arch/x86_64/bits/statfs.h
+++ /dev/null
@@ -1,7 +0,0 @@
-struct statfs {
- unsigned long f_type, f_bsize;
- fsblkcnt_t f_blocks, f_bfree, f_bavail;
- fsfilcnt_t f_files, f_ffree;
- fsid_t f_fsid;
- unsigned long f_namelen, f_frsize, f_flags, f_spare[4];
-};
--- a/arch/x86_64/bits/stdarg.h
+++ /dev/null
@@ -1,4 +0,0 @@
-#define va_start(v,l) __builtin_va_start(v,l)
-#define va_end(v) __builtin_va_end(v)
-#define va_arg(v,l) __builtin_va_arg(v,l)
-#define va_copy(d,s) __builtin_va_copy(d,s)
--- a/arch/x86_64/bits/syscall.h
+++ b/arch/x86_64/bits/syscall.h
@@ -321,6 +321,9 @@
#define __NR_kexec_file_load 320
#define __NR_bpf 321
#define __NR_execveat 322
+#define __NR_userfaultfd 323
+#define __NR_membarrier 324
+#define __NR_mlock2 325
@@ -649,3 +652,6 @@
#define SYS_kexec_file_load 320
#define SYS_bpf 321
#define SYS_execveat 322
+#define SYS_userfaultfd 323
+#define SYS_membarrier 324
+#define SYS_mlock2 325
--- a/arch/x86_64/bits/termios.h
+++ /dev/null
@@ -1,160 +0,0 @@
-struct termios
-{
- tcflag_t c_iflag;
- tcflag_t c_oflag;
- tcflag_t c_cflag;
- tcflag_t c_lflag;
- cc_t c_line;
- cc_t c_cc[NCCS];
- speed_t __c_ispeed;
- speed_t __c_ospeed;
-};
-
-#define VINTR 0
-#define VQUIT 1
-#define VERASE 2
-#define VKILL 3
-#define VEOF 4
-#define VTIME 5
-#define VMIN 6
-#define VSWTC 7
-#define VSTART 8
-#define VSTOP 9
-#define VSUSP 10
-#define VEOL 11
-#define VREPRINT 12
-#define VDISCARD 13
-#define VWERASE 14
-#define VLNEXT 15
-#define VEOL2 16
-
-#define IGNBRK 0000001
-#define BRKINT 0000002
-#define IGNPAR 0000004
-#define PARMRK 0000010
-#define INPCK 0000020
-#define ISTRIP 0000040
-#define INLCR 0000100
-#define IGNCR 0000200
-#define ICRNL 0000400
-#define IUCLC 0001000
-#define IXON 0002000
-#define IXANY 0004000
-#define IXOFF 0010000
-#define IMAXBEL 0020000
-#define IUTF8 0040000
-
-#define OPOST 0000001
-#define OLCUC 0000002
-#define ONLCR 0000004
-#define OCRNL 0000010
-#define ONOCR 0000020
-#define ONLRET 0000040
-#define OFILL 0000100
-#define OFDEL 0000200
-#define NLDLY 0000400
-#define NL0 0000000
-#define NL1 0000400
-#define CRDLY 0003000
-#define CR0 0000000
-#define CR1 0001000
-#define CR2 0002000
-#define CR3 0003000
-#define TABDLY 0014000
-#define TAB0 0000000
-#define TAB1 0004000
-#define TAB2 0010000
-#define TAB3 0014000
-#define BSDLY 0020000
-#define BS0 0000000
-#define BS1 0020000
-#define FFDLY 0100000
-#define FF0 0000000
-#define FF1 0100000
-
-#define VTDLY 0040000
-#define VT0 0000000
-#define VT1 0040000
-
-#define B0 0000000
-#define B50 0000001
-#define B75 0000002
-#define B110 0000003
-#define B134 0000004
-#define B150 0000005
-#define B200 0000006
-#define B300 0000007
-#define B600 0000010
-#define B1200 0000011
-#define B1800 0000012
-#define B2400 0000013
-#define B4800 0000014
-#define B9600 0000015
-#define B19200 0000016
-#define B38400 0000017
-
-#define B57600 0010001
-#define B115200 0010002
-#define B230400 0010003
-#define B460800 0010004
-#define B500000 0010005
-#define B576000 0010006
-#define B921600 0010007
-#define B1000000 0010010
-#define B1152000 0010011
-#define B1500000 0010012
-#define B2000000 0010013
-#define B2500000 0010014
-#define B3000000 0010015
-#define B3500000 0010016
-#define B4000000 0010017
-
-#define CBAUD 0010017
-
-#define CSIZE 0000060
-#define CS5 0000000
-#define CS6 0000020
-#define CS7 0000040
-#define CS8 0000060
-#define CSTOPB 0000100
-#define CREAD 0000200
-#define PARENB 0000400
-#define PARODD 0001000
-#define HUPCL 0002000
-#define CLOCAL 0004000
-
-#define ISIG 0000001
-#define ICANON 0000002
-#define ECHO 0000010
-#define ECHOE 0000020
-#define ECHOK 0000040
-#define ECHONL 0000100
-#define NOFLSH 0000200
-#define TOSTOP 0000400
-#define IEXTEN 0100000
-
-#define ECHOCTL 0001000
-#define ECHOPRT 0002000
-#define ECHOKE 0004000
-#define FLUSHO 0010000
-#define PENDIN 0040000
-
-#define TCOOFF 0
-#define TCOON 1
-#define TCIOFF 2
-#define TCION 3
-
-#define TCIFLUSH 0
-#define TCOFLUSH 1
-#define TCIOFLUSH 2
-
-#define TCSANOW 0
-#define TCSADRAIN 1
-#define TCSAFLUSH 2
-
-#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
-#define CBAUDEX 0010000
-#define CRTSCTS 020000000000
-#define EXTPROC 0200000
-#define XTABS 0014000
-#endif
--- a/arch/x86_64/pthread_arch.h
+++ b/arch/x86_64/pthread_arch.h
@@ -7,4 +7,4 @@ static inline struct pthread *__pthread_
#define TP_ADJ(p) (p)
-#define CANCEL_REG_IP 16
+#define MC_PC gregs[REG_RIP]
--- a/configure
+++ b/configure
@@ -9,6 +9,9 @@ VAR=VALUE. See below for descriptions o
Defaults for the options are specified in brackets.
+Configuration:
+ --srcdir=DIR source directory [detected]
+
Installation directories:
--prefix=PREFIX main installation prefix [/usr/local/musl]
--exec-prefix=EPREFIX installation prefix for executable files [PREFIX]
@@ -117,6 +120,7 @@ CFLAGS_TRY=
LDFLAGS_AUTO=
LDFLAGS_TRY=
OPTIMIZE_GLOBS=
+srcdir=
prefix=/usr/local/musl
exec_prefix='$(prefix)'
bindir='$(exec_prefix)/bin'
@@ -139,6 +143,7 @@ clang_wrapper=no
for arg ; do
case "$arg" in
--help) usage ;;
+--srcdir=*) srcdir=${arg#*=} ;;
--prefix=*) prefix=${arg#*=} ;;
--exec-prefix=*) exec_prefix=${arg#*=} ;;
--bindir=*) bindir=${arg#*=} ;;
@@ -179,11 +184,23 @@ LIBCC=*) LIBCC=${arg#*=} ;;
esac
done
-for i in prefix exec_prefix bindir libdir includedir syslibdir ; do
+for i in srcdir prefix exec_prefix bindir libdir includedir syslibdir ; do
stripdir $i
done
#
+# Get the source dir for out-of-tree builds
+#
+if test -z "$srcdir" ; then
+srcdir="${0%/configure}"
+stripdir srcdir
+fi
+abs_builddir="$(pwd)" || fail "$0: cannot determine working directory"
+abs_srcdir="$(cd $srcdir && pwd)" || fail "$0: invalid source directory $srcdir"
+test "$abs_srcdir" = "$abs_builddir" && srcdir=.
+test "$srcdir" != "." -a -f Makefile -a ! -h Makefile && fail "$0: Makefile already exists in the working directory"
+
+#
# Get a temp filename we can use
#
i=0
@@ -263,11 +280,11 @@ fi
fi
if test "$gcc_wrapper" = yes ; then
-tools="$tools tools/musl-gcc"
+tools="$tools obj/musl-gcc"
tool_libs="$tool_libs lib/musl-gcc.specs"
fi
if test "$clang_wrapper" = yes ; then
-tools="$tools tools/musl-clang tools/ld.musl-clang"
+tools="$tools obj/musl-clang obj/ld.musl-clang"
fi
#
@@ -321,7 +338,7 @@ __attribute__((__may_alias__))
#endif
x;
EOF
-if $CC $CFLAGS_C99FSE -I./arch/$ARCH -I./include $CPPFLAGS $CFLAGS \
+if $CC $CFLAGS_C99FSE $CPPFLAGS $CFLAGS \
-c -o /dev/null "$tmpc" >/dev/null 2>&1 ; then
printf "no\n"
else
@@ -330,6 +347,13 @@ CFLAGS_C99FSE="$CFLAGS_C99FSE -D__may_al
fi
#
+# The GNU toolchain defaults to assuming unmarked files need an
+# executable stack, potentially exposing vulnerabilities in programs
+# linked with such object files. Fix this.
+#
+tryflag CFLAGS_C99FSE -Wa,--noexecstack
+
+#
# Check for options to disable stack protector, which needs to be
# disabled for a few early-bootstrap translation units. If not found,
# this is not an error; we assume the toolchain does not do ssp.
@@ -430,11 +454,15 @@ tryflag CFLAGS_AUTO -fno-unwind-tables
tryflag CFLAGS_AUTO -fno-asynchronous-unwind-tables
#
-# The GNU toolchain defaults to assuming unmarked files need an
-# executable stack, potentially exposing vulnerabilities in programs
-# linked with such object files. Fix this.
+# Attempt to put each function and each data object in its own
+# section. This both allows additional size optimizations at link
+# time and works around a dangerous class of compiler/assembler bugs
+# whereby relative address expressions are constant-folded by the
+# assembler even when one or more of the symbols involved is
+# replaceable. See gas pr 18561 and gcc pr 66609, 68178, etc.
#
-tryflag CFLAGS_AUTO -Wa,--noexecstack
+tryflag CFLAGS_AUTO -ffunction-sections
+tryflag CFLAGS_AUTO -fdata-sections
#
# On x86, make sure we don't have incompatible instruction set
@@ -489,7 +517,7 @@ int foo(void) { }
int bar(void) { fp = foo; return foo(); }
EOF
if $CC $CFLAGS_C99FSE $CPPFLAGS $CFLAGS \
- -DSHARED -fPIC -I./src/internal -include vis.h \
+ -DSHARED -fPIC -I$srcdir/src/internal -include vis.h \
-nostdlib -shared -Wl,-Bsymbolic-functions \
-o /dev/null "$tmpc" >/dev/null 2>&1 ; then
visibility=yes
@@ -504,6 +532,25 @@ CFLAGS_AUTO="$CFLAGS_AUTO -include vis.h
CFLAGS_AUTO="${CFLAGS_AUTO# }"
fi
+# Determine if the compiler produces position-independent code (PIC)
+# by default. If so, we don't need to compile separate object files
+# for libc.a and libc.so.
+if trycppif __PIC__ "$CFLAGS_C99FSE $CPPFLAGS $CFLAGS" ; then
+pic_default=yes
+else
+pic_default=no
+fi
+
+# Reduce space lost to padding for alignment purposes by sorting data
+# objects according to their alignment reqirements. This approximates
+# optimal packing.
+tryldflag LDFLAGS_AUTO -Wl,--sort-section,alignment
+tryldflag LDFLAGS_AUTO -Wl,--sort-common
+
+# When linking shared library, drop dummy weak definitions that were
+# replaced by strong definitions from other translation units.
+tryldflag LDFLAGS_AUTO -Wl,--gc-sections
+
# Some patched GCC builds have these defaults messed up...
tryldflag LDFLAGS_AUTO -Wl,--hash-style=both
@@ -513,6 +560,11 @@ tryldflag LDFLAGS_AUTO -Wl,--hash-style=
# runtime library; implementation error is also a possibility.
tryldflag LDFLAGS_AUTO -Wl,--no-undefined
+# Avoid exporting symbols from compiler runtime libraries. They
+# should be hidden anyway, but some toolchains including old gcc
+# versions built without shared library support and pcc are broken.
+tryldflag LDFLAGS_AUTO -Wl,--exclude-libs=ALL
+
test "$shared" = "no" || {
# Disable dynamic linking if ld is broken and can't do -Bsymbolic-functions
LDFLAGS_DUMMY=
@@ -599,8 +651,9 @@ echo '#include <float.h>' > "$tmpc"
echo '#if LDBL_MANT_DIG == 53' >> "$tmpc"
echo 'typedef char ldcheck[9-(int)sizeof(long double)];' >> "$tmpc"
echo '#endif' >> "$tmpc"
-if $CC $CFLAGS_C99FSE -I./arch/$ARCH -I./include $CPPFLAGS $CFLAGS \
- -c -o /dev/null "$tmpc" >/dev/null 2>&1 ; then
+if $CC $CFLAGS_C99FSE \
+ -I$srcdir/arch/$ARCH -I$srcdir/arch/generic -I$srcdir/include \
+ $CPPFLAGS $CFLAGS -c -o /dev/null "$tmpc" >/dev/null 2>&1 ; then
printf "yes\n"
else
printf "no\n"
@@ -622,6 +675,7 @@ cat << EOF
ARCH = $ARCH
SUBARCH = $SUBARCH
ASMSUBARCH = $ASMSUBARCH
+srcdir = $srcdir
prefix = $prefix
exec_prefix = $exec_prefix
bindir = $bindir
@@ -629,12 +683,14 @@ libdir = $libdir
includedir = $includedir
syslibdir = $syslibdir
CC = $CC
-CFLAGS = $CFLAGS_AUTO $CFLAGS
+CFLAGS = $CFLAGS
+CFLAGS_AUTO = $CFLAGS_AUTO
CFLAGS_C99FSE = $CFLAGS_C99FSE
CFLAGS_MEMOPS = $CFLAGS_MEMOPS
CFLAGS_NOSSP = $CFLAGS_NOSSP
CPPFLAGS = $CPPFLAGS
-LDFLAGS = $LDFLAGS_AUTO $LDFLAGS
+LDFLAGS = $LDFLAGS
+LDFLAGS_AUTO = $LDFLAGS_AUTO
CROSS_COMPILE = $CROSS_COMPILE
LIBCC = $LIBCC
OPTIMIZE_GLOBS = $OPTIMIZE_GLOBS
@@ -646,6 +702,9 @@ test "x$static" = xno && echo "STATIC_LI
test "x$shared" = xno && echo "SHARED_LIBS ="
test "x$cc_family" = xgcc && echo 'WRAPCC_GCC = $(CC)'
test "x$cc_family" = xclang && echo 'WRAPCC_CLANG = $(CC)'
+test "x$pic_default" = xyes && echo 'AOBJS = $(LOBJS)'
exec 1>&3 3>&-
+test "$srcdir" = "." || ln -sf $srcdir/Makefile .
+
printf "done\n"
--- a/crt/arm/crti.s
+++ b/crt/arm/crti.s
@@ -1,3 +1,5 @@
+.syntax unified
+
.section .init
.global _init
.type _init,%function
--- a/crt/arm/crtn.s
+++ b/crt/arm/crtn.s
@@ -1,11 +1,9 @@
+.syntax unified
+
.section .init
pop {r0,lr}
- tst lr,#1
- moveq pc,lr
bx lr
.section .fini
pop {r0,lr}
- tst lr,#1
- moveq pc,lr
bx lr
--- a/crt/rcrt1.c
+++ b/crt/rcrt1.c
@@ -1,7 +1,7 @@
#define SHARED
#define START "_start"
#define _dlstart_c _start_c
-#include "../src/ldso/dlstart.c"
+#include "../ldso/dlstart.c"
int main();
void _init() __attribute__((weak));
--- a/include/complex.h
+++ b/include/complex.h
@@ -116,7 +116,7 @@ long double creall(long double complex);
#if __STDC_VERSION__ >= 201112L
#if defined(_Imaginary_I)
-#define __CMPLX(x, y, t) ((t)(x) + _Imaginary_I*(t)(y)))
+#define __CMPLX(x, y, t) ((t)(x) + _Imaginary_I*(t)(y))
#elif defined(__clang__)
#define __CMPLX(x, y, t) (+(_Complex t){ (t)(x), (t)(y) })
#else
--- a/include/netinet/in.h
+++ b/include/netinet/in.h
@@ -103,6 +103,7 @@ uint16_t ntohs(uint16_t);
#define IPPROTO_SCTP 132
#define IPPROTO_MH 135
#define IPPROTO_UDPLITE 136
+#define IPPROTO_MPLS 137
#define IPPROTO_RAW 255
#define IPPROTO_MAX 256
@@ -200,6 +201,7 @@ uint16_t ntohs(uint16_t);
#define IP_MINTTL 21
#define IP_NODEFRAG 22
#define IP_CHECKSUM 23
+#define IP_BIND_ADDRESS_NO_PORT 24
#define IP_MULTICAST_IF 32
#define IP_MULTICAST_TTL 33
#define IP_MULTICAST_LOOP 34
--- a/include/netinet/tcp.h
+++ b/include/netinet/tcp.h
@@ -27,6 +27,9 @@
#define TCP_FASTOPEN 23
#define TCP_TIMESTAMP 24
#define TCP_NOTSENT_LOWAT 25
+#define TCP_CC_INFO 26
+#define TCP_SAVE_SYN 27
+#define TCP_SAVED_SYN 28
#define TCP_ESTABLISHED 1
#define TCP_SYN_SENT 2
@@ -41,7 +44,20 @@
#define TCP_CLOSING 11
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+#define TCPOPT_EOL 0
+#define TCPOPT_NOP 1
+#define TCPOPT_MAXSEG 2
+#define TCPOPT_WINDOW 3
+#define TCPOPT_SACK_PERMITTED 4
+#define TCPOPT_SACK 5
+#define TCPOPT_TIMESTAMP 8
+#define TCPOLEN_SACK_PERMITTED 2
+#define TCPOLEN_WINDOW 3
+#define TCPOLEN_MAXSEG 4
+#define TCPOLEN_TIMESTAMP 10
+
#define SOL_TCP 6
+
#include <sys/types.h>
#include <sys/socket.h>
#include <stdint.h>
@@ -164,6 +180,10 @@ struct tcp_info
uint32_t tcpi_total_retrans;
uint64_t tcpi_pacing_rate;
uint64_t tcpi_max_pacing_rate;
+ uint64_t tcpi_bytes_acked;
+ uint64_t tcpi_bytes_received;
+ uint32_t tcpi_segs_out;
+ uint32_t tcpi_segs_in;
};
#define TCP_MD5SIG_MAXKEYLEN 80
--- a/include/netpacket/packet.h
+++ b/include/netpacket/packet.h
@@ -32,10 +32,27 @@ struct packet_mreq {
#define PACKET_RECV_OUTPUT 3
#define PACKET_RX_RING 5
#define PACKET_STATISTICS 6
+#define PACKET_COPY_THRESH 7
+#define PACKET_AUXDATA 8
+#define PACKET_ORIGDEV 9
+#define PACKET_VERSION 10
+#define PACKET_HDRLEN 11
+#define PACKET_RESERVE 12
+#define PACKET_TX_RING 13
+#define PACKET_LOSS 14
+#define PACKET_VNET_HDR 15
+#define PACKET_TX_TIMESTAMP 16
+#define PACKET_TIMESTAMP 17
+#define PACKET_FANOUT 18
+#define PACKET_TX_HAS_OFF 19
+#define PACKET_QDISC_BYPASS 20
+#define PACKET_ROLLOVER_STATS 21
+#define PACKET_FANOUT_DATA 22
#define PACKET_MR_MULTICAST 0
#define PACKET_MR_PROMISC 1
#define PACKET_MR_ALLMULTI 2
+#define PACKET_MR_UNICAST 3
#ifdef __cplusplus
}
--- a/include/signal.h
+++ b/include/signal.h
@@ -27,8 +27,6 @@ extern "C" {
#include <bits/alltypes.h>
-#define SIG_HOLD ((void (*)(int)) 2)
-
#define SIG_BLOCK 0
#define SIG_UNBLOCK 1
#define SIG_SETMASK 2
@@ -43,6 +41,18 @@ extern "C" {
#define SI_USER 0
#define SI_KERNEL 128
+typedef struct sigaltstack stack_t;
+
+#endif
+
+#include <bits/signal.h>
+
+#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
+ || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
+ || defined(_BSD_SOURCE)
+
+#define SIG_HOLD ((void (*)(int)) 2)
+
#define FPE_INTDIV 1
#define FPE_INTOVF 2
#define FPE_FLTDIV 3
@@ -78,15 +88,17 @@ extern "C" {
#define CLD_STOPPED 5
#define CLD_CONTINUED 6
-typedef struct sigaltstack stack_t;
-
union sigval {
int sival_int;
void *sival_ptr;
};
typedef struct {
+#ifdef __SI_SWAP_ERRNO_CODE
+ int si_signo, si_code, si_errno;
+#else
int si_signo, si_errno, si_code;
+#endif
union {
char __pad[128 - 2*sizeof(int) - sizeof(long)];
struct {
@@ -240,8 +252,6 @@ int sigandset(sigset_t *, const sigset_t
#define SA_ONESHOT SA_RESETHAND
#endif
-#include <bits/signal.h>
-
#define SIG_ERR ((void (*)(int))-1)
#define SIG_DFL ((void (*)(int)) 0)
#define SIG_IGN ((void (*)(int)) 1)
--- a/include/sys/mman.h
+++ b/include/sys/mman.h
@@ -39,6 +39,7 @@ int remap_file_pages (void *, size_t, in
#endif
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+#define MLOCK_ONFAULT 0x01
int madvise (void *, size_t, int);
int mincore (void *, size_t, unsigned char *);
#endif
--- a/include/sys/mount.h
+++ b/include/sys/mount.h
@@ -46,12 +46,13 @@ extern "C" {
#define MS_KERNMOUNT (1<<22)
#define MS_I_VERSION (1<<23)
#define MS_STRICTATIME (1<<24)
+#define MS_LAZYTIME (1<<25)
#define MS_NOSEC (1<<28)
#define MS_BORN (1<<29)
#define MS_ACTIVE (1<<30)
#define MS_NOUSER (1U<<31)
-#define MS_RMT_MASK (MS_RDONLY|MS_SYNCHRONOUS|MS_MANDLOCK|MS_I_VERSION)
+#define MS_RMT_MASK (MS_RDONLY|MS_SYNCHRONOUS|MS_MANDLOCK|MS_I_VERSION|MS_LAZYTIME)
#define MS_MGC_VAL 0xc0ed0000
#define MS_MGC_MSK 0xffff0000
--- a/include/sys/prctl.h
+++ b/include/sys/prctl.h
@@ -124,6 +124,12 @@ struct prctl_mm_map {
#define PR_FP_MODE_FR (1 << 0)
#define PR_FP_MODE_FRE (1 << 1)
+#define PR_CAP_AMBIENT 47
+#define PR_CAP_AMBIENT_IS_SET 1
+#define PR_CAP_AMBIENT_RAISE 2
+#define PR_CAP_AMBIENT_LOWER 3
+#define PR_CAP_AMBIENT_CLEAR_ALL 4
+
int prctl (int, ...);
#ifdef __cplusplus
--- a/include/sys/ptrace.h
+++ b/include/sys/ptrace.h
@@ -39,6 +39,7 @@ extern "C" {
#define PTRACE_PEEKSIGINFO 0x4209
#define PTRACE_GETSIGMASK 0x420a
#define PTRACE_SETSIGMASK 0x420b
+#define PTRACE_SECCOMP_GET_FILTER 0x420c
#define PT_READ_I PTRACE_PEEKTEXT
#define PT_READ_D PTRACE_PEEKDATA
@@ -72,7 +73,8 @@ extern "C" {
#define PTRACE_O_TRACEEXIT 0x00000040
#define PTRACE_O_TRACESECCOMP 0x00000080
#define PTRACE_O_EXITKILL 0x00100000
-#define PTRACE_O_MASK 0x001000ff
+#define PTRACE_O_SUSPEND_SECCOMP 0x00200000
+#define PTRACE_O_MASK 0x003000ff
#define PTRACE_EVENT_FORK 1
#define PTRACE_EVENT_VFORK 2
--- a/include/sys/socket.h
+++ b/include/sys/socket.h
@@ -96,6 +96,7 @@ struct linger
#define PF_WANPIPE 25
#define PF_LLC 26
#define PF_IB 27
+#define PF_MPLS 28
#define PF_CAN 29
#define PF_TIPC 30
#define PF_BLUETOOTH 31
@@ -141,6 +142,7 @@ struct linger
#define AF_WANPIPE PF_WANPIPE
#define AF_LLC PF_LLC
#define AF_IB PF_IB
+#define AF_MPLS PF_MPLS
#define AF_CAN PF_CAN
#define AF_TIPC PF_TIPC
#define AF_BLUETOOTH PF_BLUETOOTH
@@ -255,6 +257,7 @@ struct linger
#define MSG_NOSIGNAL 0x4000
#define MSG_MORE 0x8000
#define MSG_WAITFORONE 0x10000
+#define MSG_FASTOPEN 0x20000000
#define MSG_CMSG_CLOEXEC 0x40000000
#define __CMSG_LEN(cmsg) (((cmsg)->cmsg_len + sizeof(long) - 1) & ~(long)(sizeof(long) - 1))
--- /dev/null
+++ b/ldso/dlstart.c
@@ -0,0 +1,146 @@
+#include <stddef.h>
+#include "dynlink.h"
+
+#ifndef START
+#define START "_dlstart"
+#endif
+
+#include "crt_arch.h"
+
+#ifndef GETFUNCSYM
+#define GETFUNCSYM(fp, sym, got) do { \
+ __attribute__((__visibility__("hidden"))) void sym(); \
+ static void (*static_func_ptr)() = sym; \
+ __asm__ __volatile__ ( "" : "+m"(static_func_ptr) : : "memory"); \
+ *(fp) = static_func_ptr; } while(0)
+#endif
+
+__attribute__((__visibility__("hidden")))
+void _dlstart_c(size_t *sp, size_t *dynv)
+{
+ size_t i, aux[AUX_CNT], dyn[DYN_CNT];
+ size_t *rel, rel_size, base;
+
+ int argc = *sp;
+ char **argv = (void *)(sp+1);
+
+ for (i=argc+1; argv[i]; i++);
+ size_t *auxv = (void *)(argv+i+1);
+
+ for (i=0; i<AUX_CNT; i++) aux[i] = 0;
+ for (i=0; auxv[i]; i+=2) if (auxv[i]<AUX_CNT)
+ aux[auxv[i]] = auxv[i+1];
+
+#if DL_FDPIC
+ struct fdpic_loadseg *segs, fakeseg;
+ size_t j;
+ if (dynv) {
+ /* crt_arch.h entry point asm is responsible for reserving
+ * space and moving the extra fdpic arguments to the stack
+ * vector where they are easily accessible from C. */
+ segs = ((struct fdpic_loadmap *)(sp[-1] ? sp[-1] : sp[-2]))->segs;
+ } else {
+ /* If dynv is null, the entry point was started from loader
+ * that is not fdpic-aware. We can assume normal fixed-
+ * displacement ELF loading was performed, but when ldso was
+ * run as a command, finding the Ehdr is a heursitic: we
+ * have to assume Phdrs start in the first 4k of the file. */
+ base = aux[AT_BASE];
+ if (!base) base = aux[AT_PHDR] & -4096;
+ segs = &fakeseg;
+ segs[0].addr = base;
+ segs[0].p_vaddr = 0;
+ segs[0].p_memsz = -1;
+ Ehdr *eh = (void *)base;
+ Phdr *ph = (void *)(base + eh->e_phoff);
+ size_t phnum = eh->e_phnum;
+ size_t phent = eh->e_phentsize;
+ while (phnum-- && ph->p_type != PT_DYNAMIC)
+ ph = (void *)((size_t)ph + phent);
+ dynv = (void *)(base + ph->p_vaddr);
+ }
+#endif
+
+ for (i=0; i<DYN_CNT; i++) dyn[i] = 0;
+ for (i=0; dynv[i]; i+=2) if (dynv[i]<DYN_CNT)
+ dyn[dynv[i]] = dynv[i+1];
+
+#if DL_FDPIC
+ for (i=0; i<DYN_CNT; i++) {
+ if (i==DT_RELASZ || i==DT_RELSZ) continue;
+ if (!dyn[i]) continue;
+ for (j=0; dyn[i]-segs[j].p_vaddr >= segs[j].p_memsz; j++);
+ dyn[i] += segs[j].addr - segs[j].p_vaddr;
+ }
+ base = 0;
+
+ const Sym *syms = (void *)dyn[DT_SYMTAB];
+
+ rel = (void *)dyn[DT_RELA];
+ rel_size = dyn[DT_RELASZ];
+ for (; rel_size; rel+=3, rel_size-=3*sizeof(size_t)) {
+ if (!IS_RELATIVE(rel[1], syms)) continue;
+ for (j=0; rel[0]-segs[j].p_vaddr >= segs[j].p_memsz; j++);
+ size_t *rel_addr = (void *)
+ (rel[0] + segs[j].addr - segs[j].p_vaddr);
+ if (R_TYPE(rel[1]) == REL_FUNCDESC_VAL) {
+ *rel_addr += segs[rel_addr[1]].addr
+ - segs[rel_addr[1]].p_vaddr
+ + syms[R_SYM(rel[1])].st_value;
+ rel_addr[1] = dyn[DT_PLTGOT];
+ } else {
+ size_t val = syms[R_SYM(rel[1])].st_value;
+ for (j=0; val-segs[j].p_vaddr >= segs[j].p_memsz; j++);
+ *rel_addr = rel[2] + segs[j].addr - segs[j].p_vaddr + val;
+ }
+ }
+#else
+ /* If the dynamic linker is invoked as a command, its load
+ * address is not available in the aux vector. Instead, compute
+ * the load address as the difference between &_DYNAMIC and the
+ * virtual address in the PT_DYNAMIC program header. */
+ base = aux[AT_BASE];
+ if (!base) {
+ size_t phnum = aux[AT_PHNUM];
+ size_t phentsize = aux[AT_PHENT];
+ Phdr *ph = (void *)aux[AT_PHDR];
+ for (i=phnum; i--; ph = (void *)((char *)ph + phentsize)) {
+ if (ph->p_type == PT_DYNAMIC) {
+ base = (size_t)dynv - ph->p_vaddr;
+ break;
+ }
+ }
+ }
+
+ /* MIPS uses an ugly packed form for GOT relocations. Since we
+ * can't make function calls yet and the code is tiny anyway,
+ * it's simply inlined here. */
+ if (NEED_MIPS_GOT_RELOCS) {
+ size_t local_cnt = 0;
+ size_t *got = (void *)(base + dyn[DT_PLTGOT]);
+ for (i=0; dynv[i]; i+=2) if (dynv[i]==DT_MIPS_LOCAL_GOTNO)
+ local_cnt = dynv[i+1];
+ for (i=0; i<local_cnt; i++) got[i] += base;
+ }
+
+ rel = (void *)(base+dyn[DT_REL]);
+ rel_size = dyn[DT_RELSZ];
+ for (; rel_size; rel+=2, rel_size-=2*sizeof(size_t)) {
+ if (!IS_RELATIVE(rel[1], 0)) continue;
+ size_t *rel_addr = (void *)(base + rel[0]);
+ *rel_addr += base;
+ }
+
+ rel = (void *)(base+dyn[DT_RELA]);
+ rel_size = dyn[DT_RELASZ];
+ for (; rel_size; rel+=3, rel_size-=3*sizeof(size_t)) {
+ if (!IS_RELATIVE(rel[1], 0)) continue;
+ size_t *rel_addr = (void *)(base + rel[0]);
+ *rel_addr = base + rel[2];
+ }
+#endif
+
+ stage2_func dls2;
+ GETFUNCSYM(&dls2, __dls2, base+dyn[DT_PLTGOT]);
+ dls2((void *)base, sp);
+}
--- /dev/null
+++ b/ldso/dynlink.c
@@ -0,0 +1,1931 @@
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <stddef.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdint.h>
+#include <elf.h>
+#include <sys/mman.h>
+#include <limits.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <errno.h>
+#include <link.h>
+#include <setjmp.h>
+#include <pthread.h>
+#include <ctype.h>
+#include <dlfcn.h>
+#include "pthread_impl.h"
+#include "libc.h"
+#include "dynlink.h"
+
+static void error(const char *, ...);
+
+#define MAXP2(a,b) (-(-(a)&-(b)))
+#define ALIGN(x,y) ((x)+(y)-1 & -(y))
+
+struct debug {
+ int ver;
+ void *head;
+ void (*bp)(void);
+ int state;
+ void *base;
+};
+
+struct td_index {
+ size_t args[2];
+ struct td_index *next;
+};
+
+struct dso {
+#if DL_FDPIC
+ struct fdpic_loadmap *loadmap;
+#else
+ unsigned char *base;
+#endif
+ char *name;
+ size_t *dynv;
+ struct dso *next, *prev;
+
+ Phdr *phdr;
+ int phnum;
+ size_t phentsize;
+ int refcnt;
+ Sym *syms;
+ uint32_t *hashtab;
+ uint32_t *ghashtab;
+ int16_t *versym;
+ char *strings;
+ unsigned char *map;
+ size_t map_len;
+ dev_t dev;
+ ino_t ino;
+ signed char global;
+ char relocated;
+ char constructed;
+ char kernel_mapped;
+ struct dso **deps, *needed_by;
+ char *rpath_orig, *rpath;
+ struct tls_module tls;
+ size_t tls_id;
+ size_t relro_start, relro_end;
+ void **new_dtv;
+ unsigned char *new_tls;
+ volatile int new_dtv_idx, new_tls_idx;
+ struct td_index *td_index;
+ struct dso *fini_next;
+ char *shortname;
+#if DL_FDPIC
+ unsigned char *base;
+#else
+ struct fdpic_loadmap *loadmap;
+#endif
+ struct funcdesc {
+ void *addr;
+ size_t *got;
+ } *funcdescs;
+ size_t *got;
+ char buf[];
+};
+
+struct symdef {
+ Sym *sym;
+ struct dso *dso;
+};
+
+int __init_tp(void *);
+void __init_libc(char **, char *);
+void *__copy_tls(unsigned char *);
+
+__attribute__((__visibility__("hidden")))
+const char *__libc_get_version(void);
+
+static struct builtin_tls {
+ char c;
+ struct pthread pt;
+ void *space[16];
+} builtin_tls[1];
+#define MIN_TLS_ALIGN offsetof(struct builtin_tls, pt)
+
+#define ADDEND_LIMIT 4096
+static size_t *saved_addends, *apply_addends_to;
+
+static struct dso ldso;
+static struct dso *head, *tail, *fini_head;
+static char *env_path, *sys_path;
+static unsigned long long gencnt;
+static int runtime;
+static int ldd_mode;
+static int ldso_fail;
+static int noload;
+static jmp_buf *rtld_fail;
+static pthread_rwlock_t lock;
+static struct debug debug;
+static struct tls_module *tls_tail;
+static size_t tls_cnt, tls_offset, tls_align = MIN_TLS_ALIGN;
+static size_t static_tls_cnt;
+static pthread_mutex_t init_fini_lock = { ._m_type = PTHREAD_MUTEX_RECURSIVE };
+static struct fdpic_loadmap *app_loadmap;
+static struct fdpic_dummy_loadmap app_dummy_loadmap;
+
+struct debug *_dl_debug_addr = &debug;
+
+__attribute__((__visibility__("hidden")))
+void (*const __init_array_start)(void)=0, (*const __fini_array_start)(void)=0;
+
+__attribute__((__visibility__("hidden")))
+extern void (*const __init_array_end)(void), (*const __fini_array_end)(void);
+
+weak_alias(__init_array_start, __init_array_end);
+weak_alias(__fini_array_start, __fini_array_end);
+
+static int dl_strcmp(const char *l, const char *r)
+{
+ for (; *l==*r && *l; l++, r++);
+ return *(unsigned char *)l - *(unsigned char *)r;
+}
+#define strcmp(l,r) dl_strcmp(l,r)
+
+/* Compute load address for a virtual address in a given dso. */
+#if DL_FDPIC
+static void *laddr(const struct dso *p, size_t v)
+{
+ size_t j=0;
+ if (!p->loadmap) return p->base + v;
+ for (j=0; v-p->loadmap->segs[j].p_vaddr >= p->loadmap->segs[j].p_memsz; j++);
+ return (void *)(v - p->loadmap->segs[j].p_vaddr + p->loadmap->segs[j].addr);
+}
+#define fpaddr(p, v) ((void (*)())&(struct funcdesc){ \
+ laddr(p, v), (p)->got })
+#else
+#define laddr(p, v) (void *)((p)->base + (v))
+#define fpaddr(p, v) ((void (*)())laddr(p, v))
+#endif
+
+static void decode_vec(size_t *v, size_t *a, size_t cnt)
+{
+ size_t i;
+ for (i=0; i<cnt; i++) a[i] = 0;
+ for (; v[0]; v+=2) if (v[0]-1<cnt-1) {
+ a[0] |= 1UL<<v[0];
+ a[v[0]] = v[1];
+ }
+}
+
+static int search_vec(size_t *v, size_t *r, size_t key)
+{
+ for (; v[0]!=key; v+=2)
+ if (!v[0]) return 0;
+ *r = v[1];
+ return 1;
+}
+
+static uint32_t sysv_hash(const char *s0)
+{
+ const unsigned char *s = (void *)s0;
+ uint_fast32_t h = 0;
+ while (*s) {
+ h = 16*h + *s++;
+ h ^= h>>24 & 0xf0;
+ }
+ return h & 0xfffffff;
+}
+
+static uint32_t gnu_hash(const char *s0)
+{
+ const unsigned char *s = (void *)s0;
+ uint_fast32_t h = 5381;
+ for (; *s; s++)
+ h += h*32 + *s;
+ return h;
+}
+
+static Sym *sysv_lookup(const char *s, uint32_t h, struct dso *dso)
+{
+ size_t i;
+ Sym *syms = dso->syms;
+ uint32_t *hashtab = dso->hashtab;
+ char *strings = dso->strings;
+ for (i=hashtab[2+h%hashtab[0]]; i; i=hashtab[2+hashtab[0]+i]) {
+ if ((!dso->versym || dso->versym[i] >= 0)
+ && (!strcmp(s, strings+syms[i].st_name)))
+ return syms+i;
+ }
+ return 0;
+}
+
+static Sym *gnu_lookup(uint32_t h1, uint32_t *hashtab, struct dso *dso, const char *s)
+{
+ uint32_t nbuckets = hashtab[0];
+ uint32_t *buckets = hashtab + 4 + hashtab[2]*(sizeof(size_t)/4);
+ uint32_t i = buckets[h1 % nbuckets];
+
+ if (!i) return 0;
+
+ uint32_t *hashval = buckets + nbuckets + (i - hashtab[1]);
+
+ for (h1 |= 1; ; i++) {
+ uint32_t h2 = *hashval++;
+ if ((h1 == (h2|1)) && (!dso->versym || dso->versym[i] >= 0)
+ && !strcmp(s, dso->strings + dso->syms[i].st_name))
+ return dso->syms+i;
+ if (h2 & 1) break;
+ }
+
+ return 0;
+}
+
+static Sym *gnu_lookup_filtered(uint32_t h1, uint32_t *hashtab, struct dso *dso, const char *s, uint32_t fofs, size_t fmask)
+{
+ const size_t *bloomwords = (const void *)(hashtab+4);
+ size_t f = bloomwords[fofs & (hashtab[2]-1)];
+ if (!(f & fmask)) return 0;
+
+ f >>= (h1 >> hashtab[3]) % (8 * sizeof f);
+ if (!(f & 1)) return 0;
+
+ return gnu_lookup(h1, hashtab, dso, s);
+}
+
+#define OK_TYPES (1<<STT_NOTYPE | 1<<STT_OBJECT | 1<<STT_FUNC | 1<<STT_COMMON | 1<<STT_TLS)
+#define OK_BINDS (1<<STB_GLOBAL | 1<<STB_WEAK | 1<<STB_GNU_UNIQUE)
+
+#ifndef ARCH_SYM_REJECT_UND
+#define ARCH_SYM_REJECT_UND(s) 0
+#endif
+
+static struct symdef find_sym(struct dso *dso, const char *s, int need_def)
+{
+ uint32_t h = 0, gh, gho, *ght;
+ size_t ghm = 0;
+ struct symdef def = {0};
+ for (; dso; dso=dso->next) {
+ Sym *sym;
+ if (!dso->global) continue;
+ if ((ght = dso->ghashtab)) {
+ if (!ghm) {
+ gh = gnu_hash(s);
+ int maskbits = 8 * sizeof ghm;
+ gho = gh / maskbits;
+ ghm = 1ul << gh % maskbits;
+ }
+ sym = gnu_lookup_filtered(gh, ght, dso, s, gho, ghm);
+ } else {
+ if (!h) h = sysv_hash(s);
+ sym = sysv_lookup(s, h, dso);
+ }
+ if (!sym) continue;
+ if (!sym->st_shndx)
+ if (need_def || (sym->st_info&0xf) == STT_TLS
+ || ARCH_SYM_REJECT_UND(sym))
+ continue;
+ if (!sym->st_value)
+ if ((sym->st_info&0xf) != STT_TLS)
+ continue;
+ if (!(1<<(sym->st_info&0xf) & OK_TYPES)) continue;
+ if (!(1<<(sym->st_info>>4) & OK_BINDS)) continue;
+
+ if (def.sym && sym->st_info>>4 == STB_WEAK) continue;
+ def.sym = sym;
+ def.dso = dso;
+ if (sym->st_info>>4 == STB_GLOBAL) break;
+ }
+ return def;
+}
+
+__attribute__((__visibility__("hidden")))
+ptrdiff_t __tlsdesc_static(), __tlsdesc_dynamic();
+
+static void do_relocs(struct dso *dso, size_t *rel, size_t rel_size, size_t stride)
+{
+ unsigned char *base = dso->base;
+ Sym *syms = dso->syms;
+ char *strings = dso->strings;
+ Sym *sym;
+ const char *name;
+ void *ctx;
+ int type;
+ int sym_index;
+ struct symdef def;
+ size_t *reloc_addr;
+ size_t sym_val;
+ size_t tls_val;
+ size_t addend;
+ int skip_relative = 0, reuse_addends = 0, save_slot = 0;
+
+ if (dso == &ldso) {
+ /* Only ldso's REL table needs addend saving/reuse. */
+ if (rel == apply_addends_to)
+ reuse_addends = 1;
+ skip_relative = 1;
+ }
+
+ for (; rel_size; rel+=stride, rel_size-=stride*sizeof(size_t)) {
+ if (skip_relative && IS_RELATIVE(rel[1], dso->syms)) continue;
+ type = R_TYPE(rel[1]);
+ if (type == REL_NONE) continue;
+ sym_index = R_SYM(rel[1]);
+ reloc_addr = laddr(dso, rel[0]);
+ if (sym_index) {
+ sym = syms + sym_index;
+ name = strings + sym->st_name;
+ ctx = type==REL_COPY ? head->next : head;
+ def = (sym->st_info&0xf) == STT_SECTION
+ ? (struct symdef){ .dso = dso, .sym = sym }
+ : find_sym(ctx, name, type==REL_PLT);
+ if (!def.sym && (sym->st_shndx != SHN_UNDEF
+ || sym->st_info>>4 != STB_WEAK)) {
+ error("Error relocating %s: %s: symbol not found",
+ dso->name, name);
+ if (runtime) longjmp(*rtld_fail, 1);
+ continue;
+ }
+ } else {
+ sym = 0;
+ def.sym = 0;
+ def.dso = dso;
+ }
+
+ if (stride > 2) {
+ addend = rel[2];
+ } else if (type==REL_GOT || type==REL_PLT|| type==REL_COPY) {
+ addend = 0;
+ } else if (reuse_addends) {
+ /* Save original addend in stage 2 where the dso
+ * chain consists of just ldso; otherwise read back
+ * saved addend since the inline one was clobbered. */
+ if (head==&ldso)
+ saved_addends[save_slot] = *reloc_addr;
+ addend = saved_addends[save_slot++];
+ } else {
+ addend = *reloc_addr;
+ }
+
+ sym_val = def.sym ? (size_t)laddr(def.dso, def.sym->st_value) : 0;
+ tls_val = def.sym ? def.sym->st_value : 0;
+
+ switch(type) {
+ case REL_NONE:
+ break;
+ case REL_OFFSET:
+ addend -= (size_t)reloc_addr;
+ case REL_SYMBOLIC:
+ case REL_GOT:
+ case REL_PLT:
+ *reloc_addr = sym_val + addend;
+ break;
+ case REL_RELATIVE:
+ *reloc_addr = (size_t)base + addend;
+ break;
+ case REL_SYM_OR_REL:
+ if (sym) *reloc_addr = sym_val + addend;
+ else *reloc_addr = (size_t)base + addend;
+ break;
+ case REL_COPY:
+ memcpy(reloc_addr, (void *)sym_val, sym->st_size);
+ break;
+ case REL_OFFSET32:
+ *(uint32_t *)reloc_addr = sym_val + addend
+ - (size_t)reloc_addr;
+ break;
+ case REL_FUNCDESC:
+ *reloc_addr = def.sym ? (size_t)(def.dso->funcdescs
+ + (def.sym - def.dso->syms)) : 0;
+ break;
+ case REL_FUNCDESC_VAL:
+ if ((sym->st_info&0xf) == STT_SECTION) *reloc_addr += sym_val;
+ else *reloc_addr = sym_val;
+ reloc_addr[1] = def.sym ? (size_t)def.dso->got : 0;
+ break;
+ case REL_DTPMOD:
+ *reloc_addr = def.dso->tls_id;
+ break;
+ case REL_DTPOFF:
+ *reloc_addr = tls_val + addend - DTP_OFFSET;
+ break;
+#ifdef TLS_ABOVE_TP
+ case REL_TPOFF:
+ *reloc_addr = tls_val + def.dso->tls.offset + TPOFF_K + addend;
+ break;
+#else
+ case REL_TPOFF:
+ *reloc_addr = tls_val - def.dso->tls.offset + addend;
+ break;
+ case REL_TPOFF_NEG:
+ *reloc_addr = def.dso->tls.offset - tls_val + addend;
+ break;
+#endif
+ case REL_TLSDESC:
+ if (stride<3) addend = reloc_addr[1];
+ if (runtime && def.dso->tls_id >= static_tls_cnt) {
+ struct td_index *new = malloc(sizeof *new);
+ if (!new) {
+ error(
+ "Error relocating %s: cannot allocate TLSDESC for %s",
+ dso->name, sym ? name : "(local)" );
+ longjmp(*rtld_fail, 1);
+ }
+ new->next = dso->td_index;
+ dso->td_index = new;
+ new->args[0] = def.dso->tls_id;
+ new->args[1] = tls_val + addend;
+ reloc_addr[0] = (size_t)__tlsdesc_dynamic;
+ reloc_addr[1] = (size_t)new;
+ } else {
+ reloc_addr[0] = (size_t)__tlsdesc_static;
+#ifdef TLS_ABOVE_TP
+ reloc_addr[1] = tls_val + def.dso->tls.offset
+ + TPOFF_K + addend;
+#else
+ reloc_addr[1] = tls_val - def.dso->tls.offset
+ + addend;
+#endif
+ }
+ break;
+ default:
+ error("Error relocating %s: unsupported relocation type %d",
+ dso->name, type);
+ if (runtime) longjmp(*rtld_fail, 1);
+ continue;
+ }
+ }
+}
+
+/* A huge hack: to make up for the wastefulness of shared libraries
+ * needing at least a page of dirty memory even if they have no global
+ * data, we reclaim the gaps at the beginning and end of writable maps
+ * and "donate" them to the heap by setting up minimal malloc
+ * structures and then freeing them. */
+
+static void reclaim(struct dso *dso, size_t start, size_t end)
+{
+ size_t *a, *z;
+ if (start >= dso->relro_start && start < dso->relro_end) start = dso->relro_end;
+ if (end >= dso->relro_start && end < dso->relro_end) end = dso->relro_start;
+ start = start + 6*sizeof(size_t)-1 & -4*sizeof(size_t);
+ end = (end & -4*sizeof(size_t)) - 2*sizeof(size_t);
+ if (start>end || end-start < 4*sizeof(size_t)) return;
+ a = laddr(dso, start);
+ z = laddr(dso, end);
+ a[-2] = 1;
+ a[-1] = z[0] = end-start + 2*sizeof(size_t) | 1;
+ z[1] = 1;
+ free(a);
+}
+
+static void reclaim_gaps(struct dso *dso)
+{
+ Phdr *ph = dso->phdr;
+ size_t phcnt = dso->phnum;
+
+ if (DL_FDPIC) return; // FIXME
+ for (; phcnt--; ph=(void *)((char *)ph+dso->phentsize)) {
+ if (ph->p_type!=PT_LOAD) continue;
+ if ((ph->p_flags&(PF_R|PF_W))!=(PF_R|PF_W)) continue;
+ reclaim(dso, ph->p_vaddr & -PAGE_SIZE, ph->p_vaddr);
+ reclaim(dso, ph->p_vaddr+ph->p_memsz,
+ ph->p_vaddr+ph->p_memsz+PAGE_SIZE-1 & -PAGE_SIZE);
+ }
+}
+
+static void *mmap_fixed(void *p, size_t n, int prot, int flags, int fd, off_t off)
+{
+ static int no_map_fixed;
+ char *q;
+ if (!no_map_fixed) {
+ q = mmap(p, n, prot, flags|MAP_FIXED, fd, off);
+ if (!DL_NOMMU_SUPPORT || q != MAP_FAILED || errno != EINVAL)
+ return q;
+ no_map_fixed = 1;
+ }
+ /* Fallbacks for MAP_FIXED failure on NOMMU kernels. */
+ if (flags & MAP_ANONYMOUS) {
+ memset(p, 0, n);
+ return p;
+ }
+ ssize_t r;
+ if (lseek(fd, off, SEEK_SET) < 0) return MAP_FAILED;
+ for (q=p; n; q+=r, off+=r, n-=r) {
+ r = read(fd, q, n);
+ if (r < 0 && errno != EINTR) return MAP_FAILED;
+ if (!r) {
+ memset(q, 0, n);
+ break;
+ }
+ }
+ return p;
+}
+
+static void unmap_library(struct dso *dso)
+{
+ if (dso->loadmap) {
+ size_t i;
+ for (i=0; i<dso->loadmap->nsegs; i++) {
+ if (!dso->loadmap->segs[i].p_memsz)
+ continue;
+ munmap((void *)dso->loadmap->segs[i].addr,
+ dso->loadmap->segs[i].p_memsz);
+ }
+ free(dso->loadmap);
+ } else if (dso->map && dso->map_len) {
+ munmap(dso->map, dso->map_len);
+ }
+}
+
+static void *map_library(int fd, struct dso *dso)
+{
+ Ehdr buf[(896+sizeof(Ehdr))/sizeof(Ehdr)];
+ void *allocated_buf=0;
+ size_t phsize;
+ size_t addr_min=SIZE_MAX, addr_max=0, map_len;
+ size_t this_min, this_max;
+ size_t nsegs = 0;
+ off_t off_start;
+ Ehdr *eh;
+ Phdr *ph, *ph0;
+ unsigned prot;
+ unsigned char *map=MAP_FAILED, *base;
+ size_t dyn=0;
+ size_t tls_image=0;
+ size_t i;
+
+ ssize_t l = read(fd, buf, sizeof buf);
+ eh = buf;
+ if (l<0) return 0;
+ if (l<sizeof *eh || (eh->e_type != ET_DYN && eh->e_type != ET_EXEC))
+ goto noexec;
+ phsize = eh->e_phentsize * eh->e_phnum;
+ if (phsize > sizeof buf - sizeof *eh) {
+ allocated_buf = malloc(phsize);
+ if (!allocated_buf) return 0;
+ l = pread(fd, allocated_buf, phsize, eh->e_phoff);
+ if (l < 0) goto error;
+ if (l != phsize) goto noexec;
+ ph = ph0 = allocated_buf;
+ } else if (eh->e_phoff + phsize > l) {
+ l = pread(fd, buf+1, phsize, eh->e_phoff);
+ if (l < 0) goto error;
+ if (l != phsize) goto noexec;
+ ph = ph0 = (void *)(buf + 1);
+ } else {
+ ph = ph0 = (void *)((char *)buf + eh->e_phoff);
+ }
+ for (i=eh->e_phnum; i; i--, ph=(void *)((char *)ph+eh->e_phentsize)) {
+ if (ph->p_type == PT_DYNAMIC) {
+ dyn = ph->p_vaddr;
+ } else if (ph->p_type == PT_TLS) {
+ tls_image = ph->p_vaddr;
+ dso->tls.align = ph->p_align;
+ dso->tls.len = ph->p_filesz;
+ dso->tls.size = ph->p_memsz;
+ } else if (ph->p_type == PT_GNU_RELRO) {
+ dso->relro_start = ph->p_vaddr & -PAGE_SIZE;
+ dso->relro_end = (ph->p_vaddr + ph->p_memsz) & -PAGE_SIZE;
+ }
+ if (ph->p_type != PT_LOAD) continue;
+ nsegs++;
+ if (ph->p_vaddr < addr_min) {
+ addr_min = ph->p_vaddr;
+ off_start = ph->p_offset;
+ prot = (((ph->p_flags&PF_R) ? PROT_READ : 0) |
+ ((ph->p_flags&PF_W) ? PROT_WRITE: 0) |
+ ((ph->p_flags&PF_X) ? PROT_EXEC : 0));
+ }
+ if (ph->p_vaddr+ph->p_memsz > addr_max) {
+ addr_max = ph->p_vaddr+ph->p_memsz;
+ }
+ }
+ if (!dyn) goto noexec;
+ if (DL_FDPIC && !(eh->e_flags & FDPIC_CONSTDISP_FLAG)) {
+ dso->loadmap = calloc(1, sizeof *dso->loadmap
+ + nsegs * sizeof *dso->loadmap->segs);
+ if (!dso->loadmap) goto error;
+ dso->loadmap->nsegs = nsegs;
+ for (ph=ph0, i=0; i<nsegs; ph=(void *)((char *)ph+eh->e_phentsize)) {
+ if (ph->p_type != PT_LOAD) continue;
+ prot = (((ph->p_flags&PF_R) ? PROT_READ : 0) |
+ ((ph->p_flags&PF_W) ? PROT_WRITE: 0) |
+ ((ph->p_flags&PF_X) ? PROT_EXEC : 0));
+ map = mmap(0, ph->p_memsz + (ph->p_vaddr & PAGE_SIZE-1),
+ prot, MAP_PRIVATE,
+ fd, ph->p_offset & -PAGE_SIZE);
+ if (map == MAP_FAILED) {
+ unmap_library(dso);
+ goto error;
+ }
+ dso->loadmap->segs[i].addr = (size_t)map +
+ (ph->p_vaddr & PAGE_SIZE-1);
+ dso->loadmap->segs[i].p_vaddr = ph->p_vaddr;
+ dso->loadmap->segs[i].p_memsz = ph->p_memsz;
+ i++;
+ if (prot & PROT_WRITE) {
+ size_t brk = (ph->p_vaddr & PAGE_SIZE-1)
+ + ph->p_filesz;
+ size_t pgbrk = brk + PAGE_SIZE-1 & -PAGE_SIZE;
+ size_t pgend = brk + ph->p_memsz - ph->p_filesz
+ + PAGE_SIZE-1 & -PAGE_SIZE;
+ if (pgend > pgbrk && mmap_fixed(map+pgbrk,
+ pgend-pgbrk, prot,
+ MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS,
+ -1, off_start) == MAP_FAILED)
+ goto error;
+ memset(map + brk, 0, pgbrk-brk);
+ }
+ }
+ map = (void *)dso->loadmap->segs[0].addr;
+ map_len = 0;
+ goto done_mapping;
+ }
+ addr_max += PAGE_SIZE-1;
+ addr_max &= -PAGE_SIZE;
+ addr_min &= -PAGE_SIZE;
+ off_start &= -PAGE_SIZE;
+ map_len = addr_max - addr_min + off_start;
+ /* The first time, we map too much, possibly even more than
+ * the length of the file. This is okay because we will not
+ * use the invalid part; we just need to reserve the right
+ * amount of virtual address space to map over later. */
+ map = DL_NOMMU_SUPPORT
+ ? mmap((void *)addr_min, map_len, PROT_READ|PROT_WRITE|PROT_EXEC,
+ MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
+ : mmap((void *)addr_min, map_len, prot,
+ MAP_PRIVATE, fd, off_start);
+ if (map==MAP_FAILED) goto error;
+ dso->map = map;
+ dso->map_len = map_len;
+ /* If the loaded file is not relocatable and the requested address is
+ * not available, then the load operation must fail. */
+ if (eh->e_type != ET_DYN && addr_min && map!=(void *)addr_min) {
+ errno = EBUSY;
+ goto error;
+ }
+ base = map - addr_min;
+ dso->phdr = 0;
+ dso->phnum = 0;
+ for (ph=ph0, i=eh->e_phnum; i; i--, ph=(void *)((char *)ph+eh->e_phentsize)) {
+ if (ph->p_type != PT_LOAD) continue;
+ /* Check if the programs headers are in this load segment, and
+ * if so, record the address for use by dl_iterate_phdr. */
+ if (!dso->phdr && eh->e_phoff >= ph->p_offset
+ && eh->e_phoff+phsize <= ph->p_offset+ph->p_filesz) {
+ dso->phdr = (void *)(base + ph->p_vaddr
+ + (eh->e_phoff-ph->p_offset));
+ dso->phnum = eh->e_phnum;
+ dso->phentsize = eh->e_phentsize;
+ }
+ /* Reuse the existing mapping for the lowest-address LOAD */
+ if ((ph->p_vaddr & -PAGE_SIZE) == addr_min && !DL_NOMMU_SUPPORT)
+ continue;
+ this_min = ph->p_vaddr & -PAGE_SIZE;
+ this_max = ph->p_vaddr+ph->p_memsz+PAGE_SIZE-1 & -PAGE_SIZE;
+ off_start = ph->p_offset & -PAGE_SIZE;
+ prot = (((ph->p_flags&PF_R) ? PROT_READ : 0) |
+ ((ph->p_flags&PF_W) ? PROT_WRITE: 0) |
+ ((ph->p_flags&PF_X) ? PROT_EXEC : 0));
+ if (mmap_fixed(base+this_min, this_max-this_min, prot, MAP_PRIVATE|MAP_FIXED, fd, off_start) == MAP_FAILED)
+ goto error;
+ if (ph->p_memsz > ph->p_filesz) {
+ size_t brk = (size_t)base+ph->p_vaddr+ph->p_filesz;
+ size_t pgbrk = brk+PAGE_SIZE-1 & -PAGE_SIZE;
+ memset((void *)brk, 0, pgbrk-brk & PAGE_SIZE-1);
+ if (pgbrk-(size_t)base < this_max && mmap_fixed((void *)pgbrk, (size_t)base+this_max-pgbrk, prot, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) == MAP_FAILED)
+ goto error;
+ }
+ }
+ for (i=0; ((size_t *)(base+dyn))[i]; i+=2)
+ if (((size_t *)(base+dyn))[i]==DT_TEXTREL) {
+ if (mprotect(map, map_len, PROT_READ|PROT_WRITE|PROT_EXEC)
+ && errno != ENOSYS)
+ goto error;
+ break;
+ }
+done_mapping:
+ dso->base = base;
+ dso->dynv = laddr(dso, dyn);
+ if (dso->tls.size) dso->tls.image = laddr(dso, tls_image);
+ if (!runtime) reclaim_gaps(dso);
+ free(allocated_buf);
+ return map;
+noexec:
+ errno = ENOEXEC;
+error:
+ if (map!=MAP_FAILED) unmap_library(dso);
+ free(allocated_buf);
+ return 0;
+}
+
+static int path_open(const char *name, const char *s, char *buf, size_t buf_size)
+{
+ size_t l;
+ int fd;
+ for (;;) {
+ s += strspn(s, ":\n");
+ l = strcspn(s, ":\n");
+ if (l-1 >= INT_MAX) return -1;
+ if (snprintf(buf, buf_size, "%.*s/%s", (int)l, s, name) < buf_size) {
+ if ((fd = open(buf, O_RDONLY|O_CLOEXEC))>=0) return fd;
+ switch (errno) {
+ case ENOENT:
+ case ENOTDIR:
+ case EACCES:
+ case ENAMETOOLONG:
+ break;
+ default:
+ /* Any negative value but -1 will inhibit
+ * futher path search. */
+ return -2;
+ }
+ }
+ s += l;
+ }
+}
+
+static int fixup_rpath(struct dso *p, char *buf, size_t buf_size)
+{
+ size_t n, l;
+ const char *s, *t, *origin;
+ char *d;
+ if (p->rpath || !p->rpath_orig) return 0;
+ if (!strchr(p->rpath_orig, '$')) {
+ p->rpath = p->rpath_orig;
+ return 0;
+ }
+ n = 0;
+ s = p->rpath_orig;
+ while ((t=strchr(s, '$'))) {
+ if (strncmp(t, "$ORIGIN", 7) && strncmp(t, "${ORIGIN}", 9))
+ return 0;
+ s = t+1;
+ n++;
+ }
+ if (n > SSIZE_MAX/PATH_MAX) return 0;
+
+ if (p->kernel_mapped) {
+ /* $ORIGIN searches cannot be performed for the main program
+ * when it is suid/sgid/AT_SECURE. This is because the
+ * pathname is under the control of the caller of execve.
+ * For libraries, however, $ORIGIN can be processed safely
+ * since the library's pathname came from a trusted source
+ * (either system paths or a call to dlopen). */
+ if (libc.secure)
+ return 0;
+ l = readlink("/proc/self/exe", buf, buf_size);
+ if (l == -1) switch (errno) {
+ case ENOENT:
+ case ENOTDIR:
+ case EACCES:
+ break;
+ default:
+ return -1;
+ }
+ if (l >= buf_size)
+ return 0;
+ buf[l] = 0;
+ origin = buf;
+ } else {
+ origin = p->name;
+ }
+ t = strrchr(origin, '/');
+ l = t ? t-origin : 0;
+ p->rpath = malloc(strlen(p->rpath_orig) + n*l + 1);
+ if (!p->rpath) return -1;
+
+ d = p->rpath;
+ s = p->rpath_orig;
+ while ((t=strchr(s, '$'))) {
+ memcpy(d, s, t-s);
+ d += t-s;
+ memcpy(d, origin, l);
+ d += l;
+ /* It was determined previously that the '$' is followed
+ * either by "ORIGIN" or "{ORIGIN}". */
+ s = t + 7 + 2*(t[1]=='{');
+ }
+ strcpy(d, s);
+ return 0;
+}
+
+static void decode_dyn(struct dso *p)
+{
+ size_t dyn[DYN_CNT];
+ decode_vec(p->dynv, dyn, DYN_CNT);
+ p->syms = laddr(p, dyn[DT_SYMTAB]);
+ p->strings = laddr(p, dyn[DT_STRTAB]);
+ if (dyn[0]&(1<<DT_HASH))
+ p->hashtab = laddr(p, dyn[DT_HASH]);
+ if (dyn[0]&(1<<DT_RPATH))
+ p->rpath_orig = p->strings + dyn[DT_RPATH];
+ if (dyn[0]&(1<<DT_RUNPATH))
+ p->rpath_orig = p->strings + dyn[DT_RUNPATH];
+ if (dyn[0]&(1<<DT_PLTGOT))
+ p->got = laddr(p, dyn[DT_PLTGOT]);
+ if (search_vec(p->dynv, dyn, DT_GNU_HASH))
+ p->ghashtab = laddr(p, *dyn);
+ if (search_vec(p->dynv, dyn, DT_VERSYM))
+ p->versym = laddr(p, *dyn);
+}
+
+static size_t count_syms(struct dso *p)
+{
+ if (p->hashtab) return p->hashtab[1];
+
+ size_t nsym, i;
+ uint32_t *buckets = p->ghashtab + 4 + (p->ghashtab[2]*sizeof(size_t)/4);
+ uint32_t *hashval;
+ for (i = nsym = 0; i < p->ghashtab[0]; i++) {
+ if (buckets[i] > nsym)
+ nsym = buckets[i];
+ }
+ if (nsym) {
+ hashval = buckets + p->ghashtab[0] + (nsym - p->ghashtab[1]);
+ do nsym++;
+ while (!(*hashval++ & 1));
+ }
+ return nsym;
+}
+
+static void *dl_mmap(size_t n)
+{
+ void *p;
+ int prot = PROT_READ|PROT_WRITE, flags = MAP_ANONYMOUS|MAP_PRIVATE;
+#ifdef SYS_mmap2
+ p = (void *)__syscall(SYS_mmap2, 0, n, prot, flags, -1, 0);
+#else
+ p = (void *)__syscall(SYS_mmap, 0, n, prot, flags, -1, 0);
+#endif
+ return p == MAP_FAILED ? 0 : p;
+}
+
+static void makefuncdescs(struct dso *p)
+{
+ static int self_done;
+ size_t nsym = count_syms(p);
+ size_t i, size = nsym * sizeof(*p->funcdescs);
+
+ if (!self_done) {
+ p->funcdescs = dl_mmap(size);
+ self_done = 1;
+ } else {
+ p->funcdescs = malloc(size);
+ }
+ if (!p->funcdescs) {
+ if (!runtime) a_crash();
+ error("Error allocating function descriptors for %s", p->name);
+ longjmp(*rtld_fail, 1);
+ }
+ for (i=0; i<nsym; i++) {
+ if ((p->syms[i].st_info&0xf)==STT_FUNC && p->syms[i].st_shndx) {
+ p->funcdescs[i].addr = laddr(p, p->syms[i].st_value);
+ p->funcdescs[i].got = p->got;
+ } else {
+ p->funcdescs[i].addr = 0;
+ p->funcdescs[i].got = 0;
+ }
+ }
+}
+
+static struct dso *load_library(const char *name, struct dso *needed_by)
+{
+ char buf[2*NAME_MAX+2];
+ const char *pathname;
+ unsigned char *map;
+ struct dso *p, temp_dso = {0};
+ int fd;
+ struct stat st;
+ size_t alloc_size;
+ int n_th = 0;
+ int is_self = 0;
+
+ if (!*name) {
+ errno = EINVAL;
+ return 0;
+ }
+
+ /* Catch and block attempts to reload the implementation itself */
+ if (name[0]=='l' && name[1]=='i' && name[2]=='b') {
+ static const char *rp, reserved[] =
+ "c\0pthread\0rt\0m\0dl\0util\0xnet\0";
+ char *z = strchr(name, '.');
+ if (z) {
+ size_t l = z-name;
+ for (rp=reserved; *rp && strncmp(name+3, rp, l-3); rp+=strlen(rp)+1);
+ if (*rp) {
+ if (ldd_mode) {
+ /* Track which names have been resolved
+ * and only report each one once. */
+ static unsigned reported;
+ unsigned mask = 1U<<(rp-reserved);
+ if (!(reported & mask)) {
+ reported |= mask;
+ dprintf(1, "\t%s => %s (%p)\n",
+ name, ldso.name,
+ ldso.base);
+ }
+ }
+ is_self = 1;
+ }
+ }
+ }
+ if (!strcmp(name, ldso.name)) is_self = 1;
+ if (is_self) {
+ if (!ldso.prev) {
+ tail->next = &ldso;
+ ldso.prev = tail;
+ tail = ldso.next ? ldso.next : &ldso;
+ }
+ return &ldso;
+ }
+ if (strchr(name, '/')) {
+ pathname = name;
+ fd = open(name, O_RDONLY|O_CLOEXEC);
+ } else {
+ /* Search for the name to see if it's already loaded */
+ for (p=head->next; p; p=p->next) {
+ if (p->shortname && !strcmp(p->shortname, name)) {
+ p->refcnt++;
+ return p;
+ }
+ }
+ if (strlen(name) > NAME_MAX) return 0;
+ fd = -1;
+ if (env_path) fd = path_open(name, env_path, buf, sizeof buf);
+ for (p=needed_by; fd == -1 && p; p=p->needed_by) {
+ if (fixup_rpath(p, buf, sizeof buf) < 0)
+ fd = -2; /* Inhibit further search. */
+ if (p->rpath)
+ fd = path_open(name, p->rpath, buf, sizeof buf);
+ }
+ if (fd == -1) {
+ if (!sys_path) {
+ char *prefix = 0;
+ size_t prefix_len;
+ if (ldso.name[0]=='/') {
+ char *s, *t, *z;
+ for (s=t=z=ldso.name; *s; s++)
+ if (*s=='/') z=t, t=s;
+ prefix_len = z-ldso.name;
+ if (prefix_len < PATH_MAX)
+ prefix = ldso.name;
+ }
+ if (!prefix) {
+ prefix = "";
+ prefix_len = 0;
+ }
+ char etc_ldso_path[prefix_len + 1
+ + sizeof "/etc/ld-musl-" LDSO_ARCH ".path"];
+ snprintf(etc_ldso_path, sizeof etc_ldso_path,
+ "%.*s/etc/ld-musl-" LDSO_ARCH ".path",
+ (int)prefix_len, prefix);
+ FILE *f = fopen(etc_ldso_path, "rbe");
+ if (f) {
+ if (getdelim(&sys_path, (size_t[1]){0}, 0, f) <= 0) {
+ free(sys_path);
+ sys_path = "";
+ }
+ fclose(f);
+ } else if (errno != ENOENT) {
+ sys_path = "";
+ }
+ }
+ if (!sys_path) sys_path = "/lib:/usr/local/lib:/usr/lib";
+ fd = path_open(name, sys_path, buf, sizeof buf);
+ }
+ pathname = buf;
+ }
+ if (fd < 0) return 0;
+ if (fstat(fd, &st) < 0) {
+ close(fd);
+ return 0;
+ }
+ for (p=head->next; p; p=p->next) {
+ if (p->dev == st.st_dev && p->ino == st.st_ino) {
+ /* If this library was previously loaded with a
+ * pathname but a search found the same inode,
+ * setup its shortname so it can be found by name. */
+ if (!p->shortname && pathname != name)
+ p->shortname = strrchr(p->name, '/')+1;
+ close(fd);
+ p->refcnt++;
+ return p;
+ }
+ }
+ map = noload ? 0 : map_library(fd, &temp_dso);
+ close(fd);
+ if (!map) return 0;
+
+ /* Allocate storage for the new DSO. When there is TLS, this
+ * storage must include a reservation for all pre-existing
+ * threads to obtain copies of both the new TLS, and an
+ * extended DTV capable of storing an additional slot for
+ * the newly-loaded DSO. */
+ alloc_size = sizeof *p + strlen(pathname) + 1;
+ if (runtime && temp_dso.tls.image) {
+ size_t per_th = temp_dso.tls.size + temp_dso.tls.align
+ + sizeof(void *) * (tls_cnt+3);
+ n_th = libc.threads_minus_1 + 1;
+ if (n_th > SSIZE_MAX / per_th) alloc_size = SIZE_MAX;
+ else alloc_size += n_th * per_th;
+ }
+ p = calloc(1, alloc_size);
+ if (!p) {
+ unmap_library(&temp_dso);
+ return 0;
+ }
+ memcpy(p, &temp_dso, sizeof temp_dso);
+ decode_dyn(p);
+ p->dev = st.st_dev;
+ p->ino = st.st_ino;
+ p->refcnt = 1;
+ p->needed_by = needed_by;
+ p->name = p->buf;
+ strcpy(p->name, pathname);
+ /* Add a shortname only if name arg was not an explicit pathname. */
+ if (pathname != name) p->shortname = strrchr(p->name, '/')+1;
+ if (p->tls.image) {
+ p->tls_id = ++tls_cnt;
+ tls_align = MAXP2(tls_align, p->tls.align);
+#ifdef TLS_ABOVE_TP
+ p->tls.offset = tls_offset + ( (tls_align-1) &
+ -(tls_offset + (uintptr_t)p->tls.image) );
+ tls_offset += p->tls.size;
+#else
+ tls_offset += p->tls.size + p->tls.align - 1;
+ tls_offset -= (tls_offset + (uintptr_t)p->tls.image)
+ & (p->tls.align-1);
+ p->tls.offset = tls_offset;
+#endif
+ p->new_dtv = (void *)(-sizeof(size_t) &
+ (uintptr_t)(p->name+strlen(p->name)+sizeof(size_t)));
+ p->new_tls = (void *)(p->new_dtv + n_th*(tls_cnt+1));
+ if (tls_tail) tls_tail->next = &p->tls;
+ else libc.tls_head = &p->tls;
+ tls_tail = &p->tls;
+ }
+
+ tail->next = p;
+ p->prev = tail;
+ tail = p;
+
+ if (DL_FDPIC) makefuncdescs(p);
+
+ if (ldd_mode) dprintf(1, "\t%s => %s (%p)\n", name, pathname, p->base);
+
+ return p;
+}
+
+static void load_deps(struct dso *p)
+{
+ size_t i, ndeps=0;
+ struct dso ***deps = &p->deps, **tmp, *dep;
+ for (; p; p=p->next) {
+ for (i=0; p->dynv[i]; i+=2) {
+ if (p->dynv[i] != DT_NEEDED) continue;
+ dep = load_library(p->strings + p->dynv[i+1], p);
+ if (!dep) {
+ error("Error loading shared library %s: %m (needed by %s)",
+ p->strings + p->dynv[i+1], p->name);
+ if (runtime) longjmp(*rtld_fail, 1);
+ continue;
+ }
+ if (runtime) {
+ tmp = realloc(*deps, sizeof(*tmp)*(ndeps+2));
+ if (!tmp) longjmp(*rtld_fail, 1);
+ tmp[ndeps++] = dep;
+ tmp[ndeps] = 0;
+ *deps = tmp;
+ }
+ }
+ }
+}
+
+static void load_preload(char *s)
+{
+ int tmp;
+ char *z;
+ for (z=s; *z; s=z) {
+ for ( ; *s && (isspace(*s) || *s==':'); s++);
+ for (z=s; *z && !isspace(*z) && *z!=':'; z++);
+ tmp = *z;
+ *z = 0;
+ load_library(s, 0);
+ *z = tmp;
+ }
+}
+
+static void make_global(struct dso *p)
+{
+ for (; p; p=p->next) p->global = 1;
+}
+
+static void do_mips_relocs(struct dso *p, size_t *got)
+{
+ size_t i, j, rel[2];
+ unsigned char *base = p->base;
+ i=0; search_vec(p->dynv, &i, DT_MIPS_LOCAL_GOTNO);
+ if (p==&ldso) {
+ got += i;
+ } else {
+ while (i--) *got++ += (size_t)base;
+ }
+ j=0; search_vec(p->dynv, &j, DT_MIPS_GOTSYM);
+ i=0; search_vec(p->dynv, &i, DT_MIPS_SYMTABNO);
+ Sym *sym = p->syms + j;
+ rel[0] = (unsigned char *)got - base;
+ for (i-=j; i; i--, sym++, rel[0]+=sizeof(size_t)) {
+ rel[1] = sym-p->syms << 8 | R_MIPS_JUMP_SLOT;
+ do_relocs(p, rel, sizeof rel, 2);
+ }
+}
+
+static void reloc_all(struct dso *p)
+{
+ size_t dyn[DYN_CNT];
+ for (; p; p=p->next) {
+ if (p->relocated) continue;
+ decode_vec(p->dynv, dyn, DYN_CNT);
+ if (NEED_MIPS_GOT_RELOCS)
+ do_mips_relocs(p, laddr(p, dyn[DT_PLTGOT]));
+ do_relocs(p, laddr(p, dyn[DT_JMPREL]), dyn[DT_PLTRELSZ],
+ 2+(dyn[DT_PLTREL]==DT_RELA));
+ do_relocs(p, laddr(p, dyn[DT_REL]), dyn[DT_RELSZ], 2);
+ do_relocs(p, laddr(p, dyn[DT_RELA]), dyn[DT_RELASZ], 3);
+
+ if (head != &ldso && p->relro_start != p->relro_end &&
+ mprotect(laddr(p, p->relro_start), p->relro_end-p->relro_start, PROT_READ)
+ && errno != ENOSYS) {
+ error("Error relocating %s: RELRO protection failed: %m",
+ p->name);
+ if (runtime) longjmp(*rtld_fail, 1);
+ }
+
+ p->relocated = 1;
+ }
+}
+
+static void kernel_mapped_dso(struct dso *p)
+{
+ size_t min_addr = -1, max_addr = 0, cnt;
+ Phdr *ph = p->phdr;
+ for (cnt = p->phnum; cnt--; ph = (void *)((char *)ph + p->phentsize)) {
+ if (ph->p_type == PT_DYNAMIC) {
+ p->dynv = laddr(p, ph->p_vaddr);
+ } else if (ph->p_type == PT_GNU_RELRO) {
+ p->relro_start = ph->p_vaddr & -PAGE_SIZE;
+ p->relro_end = (ph->p_vaddr + ph->p_memsz) & -PAGE_SIZE;
+ }
+ if (ph->p_type != PT_LOAD) continue;
+ if (ph->p_vaddr < min_addr)
+ min_addr = ph->p_vaddr;
+ if (ph->p_vaddr+ph->p_memsz > max_addr)
+ max_addr = ph->p_vaddr+ph->p_memsz;
+ }
+ min_addr &= -PAGE_SIZE;
+ max_addr = (max_addr + PAGE_SIZE-1) & -PAGE_SIZE;
+ p->map = p->base + min_addr;
+ p->map_len = max_addr - min_addr;
+ p->kernel_mapped = 1;
+}
+
+void __libc_exit_fini()
+{
+ struct dso *p;
+ size_t dyn[DYN_CNT];
+ for (p=fini_head; p; p=p->fini_next) {
+ if (!p->constructed) continue;
+ decode_vec(p->dynv, dyn, DYN_CNT);
+ if (dyn[0] & (1<<DT_FINI_ARRAY)) {
+ size_t n = dyn[DT_FINI_ARRAYSZ]/sizeof(size_t);
+ size_t *fn = (size_t *)laddr(p, dyn[DT_FINI_ARRAY])+n;
+ while (n--) ((void (*)(void))*--fn)();
+ }
+#ifndef NO_LEGACY_INITFINI
+ if ((dyn[0] & (1<<DT_FINI)) && dyn[DT_FINI])
+ fpaddr(p, dyn[DT_FINI])();
+#endif
+ }
+}
+
+static void do_init_fini(struct dso *p)
+{
+ size_t dyn[DYN_CNT];
+ int need_locking = libc.threads_minus_1;
+ /* Allow recursive calls that arise when a library calls
+ * dlopen from one of its constructors, but block any
+ * other threads until all ctors have finished. */
+ if (need_locking) pthread_mutex_lock(&init_fini_lock);
+ for (; p; p=p->prev) {
+ if (p->constructed) continue;
+ p->constructed = 1;
+ decode_vec(p->dynv, dyn, DYN_CNT);
+ if (dyn[0] & ((1<<DT_FINI) | (1<<DT_FINI_ARRAY))) {
+ p->fini_next = fini_head;
+ fini_head = p;
+ }
+#ifndef NO_LEGACY_INITFINI
+ if ((dyn[0] & (1<<DT_INIT)) && dyn[DT_INIT])
+ fpaddr(p, dyn[DT_INIT])();
+#endif
+ if (dyn[0] & (1<<DT_INIT_ARRAY)) {
+ size_t n = dyn[DT_INIT_ARRAYSZ]/sizeof(size_t);
+ size_t *fn = laddr(p, dyn[DT_INIT_ARRAY]);
+ while (n--) ((void (*)(void))*fn++)();
+ }
+ if (!need_locking && libc.threads_minus_1) {
+ need_locking = 1;
+ pthread_mutex_lock(&init_fini_lock);
+ }
+ }
+ if (need_locking) pthread_mutex_unlock(&init_fini_lock);
+}
+
+void __libc_start_init(void)
+{
+ do_init_fini(tail);
+}
+
+static void dl_debug_state(void)
+{
+}
+
+weak_alias(dl_debug_state, _dl_debug_state);
+
+void __init_tls(size_t *auxv)
+{
+}
+
+__attribute__((__visibility__("hidden")))
+void *__tls_get_new(size_t *v)
+{
+ pthread_t self = __pthread_self();
+
+ /* Block signals to make accessing new TLS async-signal-safe */
+ sigset_t set;
+ __block_all_sigs(&set);
+ if (v[0]<=(size_t)self->dtv[0]) {
+ __restore_sigs(&set);
+ return (char *)self->dtv[v[0]]+v[1]+DTP_OFFSET;
+ }
+
+ /* This is safe without any locks held because, if the caller
+ * is able to request the Nth entry of the DTV, the DSO list
+ * must be valid at least that far out and it was synchronized
+ * at program startup or by an already-completed call to dlopen. */
+ struct dso *p;
+ for (p=head; p->tls_id != v[0]; p=p->next);
+
+ /* Get new DTV space from new DSO if needed */
+ if (v[0] > (size_t)self->dtv[0]) {
+ void **newdtv = p->new_dtv +
+ (v[0]+1)*a_fetch_add(&p->new_dtv_idx,1);
+ memcpy(newdtv, self->dtv,
+ ((size_t)self->dtv[0]+1) * sizeof(void *));
+ newdtv[0] = (void *)v[0];
+ self->dtv = self->dtv_copy = newdtv;
+ }
+
+ /* Get new TLS memory from all new DSOs up to the requested one */
+ unsigned char *mem;
+ for (p=head; ; p=p->next) {
+ if (!p->tls_id || self->dtv[p->tls_id]) continue;
+ mem = p->new_tls + (p->tls.size + p->tls.align)
+ * a_fetch_add(&p->new_tls_idx,1);
+ mem += ((uintptr_t)p->tls.image - (uintptr_t)mem)
+ & (p->tls.align-1);
+ self->dtv[p->tls_id] = mem;
+ memcpy(mem, p->tls.image, p->tls.len);
+ if (p->tls_id == v[0]) break;
+ }
+ __restore_sigs(&set);
+ return mem + v[1] + DTP_OFFSET;
+}
+
+static void update_tls_size()
+{
+ libc.tls_cnt = tls_cnt;
+ libc.tls_align = tls_align;
+ libc.tls_size = ALIGN(
+ (1+tls_cnt) * sizeof(void *) +
+ tls_offset +
+ sizeof(struct pthread) +
+ tls_align * 2,
+ tls_align);
+}
+
+/* Stage 1 of the dynamic linker is defined in dlstart.c. It calls the
+ * following stage 2 and stage 3 functions via primitive symbolic lookup
+ * since it does not have access to their addresses to begin with. */
+
+/* Stage 2 of the dynamic linker is called after relative relocations
+ * have been processed. It can make function calls to static functions
+ * and access string literals and static data, but cannot use extern
+ * symbols. Its job is to perform symbolic relocations on the dynamic
+ * linker itself, but some of the relocations performed may need to be
+ * replaced later due to copy relocations in the main program. */
+
+__attribute__((__visibility__("hidden")))
+void __dls2(unsigned char *base, size_t *sp)
+{
+ if (DL_FDPIC) {
+ void *p1 = (void *)sp[-2];
+ void *p2 = (void *)sp[-1];
+ if (!p1) {
+ size_t *auxv, aux[AUX_CNT];
+ for (auxv=sp+1+*sp+1; *auxv; auxv++); auxv++;
+ decode_vec(auxv, aux, AUX_CNT);
+ if (aux[AT_BASE]) ldso.base = (void *)aux[AT_BASE];
+ else ldso.base = (void *)(aux[AT_PHDR] & -4096);
+ }
+ app_loadmap = p2 ? p1 : 0;
+ ldso.loadmap = p2 ? p2 : p1;
+ ldso.base = laddr(&ldso, 0);
+ } else {
+ ldso.base = base;
+ }
+ Ehdr *ehdr = (void *)ldso.base;
+ ldso.name = ldso.shortname = "libc.so";
+ ldso.global = 1;
+ ldso.phnum = ehdr->e_phnum;
+ ldso.phdr = laddr(&ldso, ehdr->e_phoff);
+ ldso.phentsize = ehdr->e_phentsize;
+ kernel_mapped_dso(&ldso);
+ decode_dyn(&ldso);
+
+ if (DL_FDPIC) makefuncdescs(&ldso);
+
+ /* Prepare storage for to save clobbered REL addends so they
+ * can be reused in stage 3. There should be very few. If
+ * something goes wrong and there are a huge number, abort
+ * instead of risking stack overflow. */
+ size_t dyn[DYN_CNT];
+ decode_vec(ldso.dynv, dyn, DYN_CNT);
+ size_t *rel = laddr(&ldso, dyn[DT_REL]);
+ size_t rel_size = dyn[DT_RELSZ];
+ size_t symbolic_rel_cnt = 0;
+ apply_addends_to = rel;
+ for (; rel_size; rel+=2, rel_size-=2*sizeof(size_t))
+ if (!IS_RELATIVE(rel[1], ldso.syms)) symbolic_rel_cnt++;
+ if (symbolic_rel_cnt >= ADDEND_LIMIT) a_crash();
+ size_t addends[symbolic_rel_cnt+1];
+ saved_addends = addends;
+
+ head = &ldso;
+ reloc_all(&ldso);
+
+ ldso.relocated = 0;
+
+ /* Call dynamic linker stage-3, __dls3, looking it up
+ * symbolically as a barrier against moving the address
+ * load across the above relocation processing. */
+ struct symdef dls3_def = find_sym(&ldso, "__dls3", 0);
+ if (DL_FDPIC) ((stage3_func)&ldso.funcdescs[dls3_def.sym-ldso.syms])(sp);
+ else ((stage3_func)laddr(&ldso, dls3_def.sym->st_value))(sp);
+}
+
+/* Stage 3 of the dynamic linker is called with the dynamic linker/libc
+ * fully functional. Its job is to load (if not already loaded) and
+ * process dependencies and relocations for the main application and
+ * transfer control to its entry point. */
+
+_Noreturn void __dls3(size_t *sp)
+{
+ static struct dso app, vdso;
+ size_t aux[AUX_CNT], *auxv;
+ size_t i;
+ char *env_preload=0;
+ size_t vdso_base;
+ int argc = *sp;
+ char **argv = (void *)(sp+1);
+ char **argv_orig = argv;
+ char **envp = argv+argc+1;
+
+ /* Find aux vector just past environ[] and use it to initialize
+ * global data that may be needed before we can make syscalls. */
+ __environ = envp;
+ for (i=argc+1; argv[i]; i++);
+ libc.auxv = auxv = (void *)(argv+i+1);
+ decode_vec(auxv, aux, AUX_CNT);
+ __hwcap = aux[AT_HWCAP];
+ libc.page_size = aux[AT_PAGESZ];
+ libc.secure = ((aux[0]&0x7800)!=0x7800 || aux[AT_UID]!=aux[AT_EUID]
+ || aux[AT_GID]!=aux[AT_EGID] || aux[AT_SECURE]);
+
+ /* Setup early thread pointer in builtin_tls for ldso/libc itself to
+ * use during dynamic linking. If possible it will also serve as the
+ * thread pointer at runtime. */
+ libc.tls_size = sizeof builtin_tls;
+ libc.tls_align = tls_align;
+ if (__init_tp(__copy_tls((void *)builtin_tls)) < 0) {
+ a_crash();
+ }
+
+ /* Only trust user/env if kernel says we're not suid/sgid */
+ if (!libc.secure) {
+ env_path = getenv("LD_LIBRARY_PATH");
+ env_preload = getenv("LD_PRELOAD");
+ }
+
+ /* If the main program was already loaded by the kernel,
+ * AT_PHDR will point to some location other than the dynamic
+ * linker's program headers. */
+ if (aux[AT_PHDR] != (size_t)ldso.phdr) {
+ size_t interp_off = 0;
+ size_t tls_image = 0;
+ /* Find load address of the main program, via AT_PHDR vs PT_PHDR. */
+ Phdr *phdr = app.phdr = (void *)aux[AT_PHDR];
+ app.phnum = aux[AT_PHNUM];
+ app.phentsize = aux[AT_PHENT];
+ for (i=aux[AT_PHNUM]; i; i--, phdr=(void *)((char *)phdr + aux[AT_PHENT])) {
+ if (phdr->p_type == PT_PHDR)
+ app.base = (void *)(aux[AT_PHDR] - phdr->p_vaddr);
+ else if (phdr->p_type == PT_INTERP)
+ interp_off = (size_t)phdr->p_vaddr;
+ else if (phdr->p_type == PT_TLS) {
+ tls_image = phdr->p_vaddr;
+ app.tls.len = phdr->p_filesz;
+ app.tls.size = phdr->p_memsz;
+ app.tls.align = phdr->p_align;
+ }
+ }
+ if (DL_FDPIC) app.loadmap = app_loadmap;
+ if (app.tls.size) app.tls.image = laddr(&app, tls_image);
+ if (interp_off) ldso.name = laddr(&app, interp_off);
+ if ((aux[0] & (1UL<<AT_EXECFN))
+ && strncmp((char *)aux[AT_EXECFN], "/proc/", 6))
+ app.name = (char *)aux[AT_EXECFN];
+ else
+ app.name = argv[0];
+ kernel_mapped_dso(&app);
+ } else {
+ int fd;
+ char *ldname = argv[0];
+ size_t l = strlen(ldname);
+ if (l >= 3 && !strcmp(ldname+l-3, "ldd")) ldd_mode = 1;
+ argv++;
+ while (argv[0] && argv[0][0]=='-' && argv[0][1]=='-') {
+ char *opt = argv[0]+2;
+ *argv++ = (void *)-1;
+ if (!*opt) {
+ break;
+ } else if (!memcmp(opt, "list", 5)) {
+ ldd_mode = 1;
+ } else if (!memcmp(opt, "library-path", 12)) {
+ if (opt[12]=='=') env_path = opt+13;
+ else if (opt[12]) *argv = 0;
+ else if (*argv) env_path = *argv++;
+ } else if (!memcmp(opt, "preload", 7)) {
+ if (opt[7]=='=') env_preload = opt+8;
+ else if (opt[7]) *argv = 0;
+ else if (*argv) env_preload = *argv++;
+ } else {
+ argv[0] = 0;
+ }
+ }
+ argv[-1] = (void *)(argc - (argv-argv_orig));
+ if (!argv[0]) {
+ dprintf(2, "musl libc (" LDSO_ARCH ")\n"
+ "Version %s\n"
+ "Dynamic Program Loader\n"
+ "Usage: %s [options] [--] pathname%s\n",
+ __libc_get_version(), ldname,
+ ldd_mode ? "" : " [args]");
+ _exit(1);
+ }
+ fd = open(argv[0], O_RDONLY);
+ if (fd < 0) {
+ dprintf(2, "%s: cannot load %s: %s\n", ldname, argv[0], strerror(errno));
+ _exit(1);
+ }
+ runtime = 1;
+ Ehdr *ehdr = (void *)map_library(fd, &app);
+ if (!ehdr) {
+ dprintf(2, "%s: %s: Not a valid dynamic program\n", ldname, argv[0]);
+ _exit(1);
+ }
+ runtime = 0;
+ close(fd);
+ ldso.name = ldname;
+ app.name = argv[0];
+ aux[AT_ENTRY] = (size_t)laddr(&app, ehdr->e_entry);
+ /* Find the name that would have been used for the dynamic
+ * linker had ldd not taken its place. */
+ if (ldd_mode) {
+ for (i=0; i<app.phnum; i++) {
+ if (app.phdr[i].p_type == PT_INTERP)
+ ldso.name = laddr(&app, app.phdr[i].p_vaddr);
+ }
+ dprintf(1, "\t%s (%p)\n", ldso.name, ldso.base);
+ }
+ }
+ if (app.tls.size) {
+ libc.tls_head = tls_tail = &app.tls;
+ app.tls_id = tls_cnt = 1;
+#ifdef TLS_ABOVE_TP
+ app.tls.offset = 0;
+ tls_offset = app.tls.size
+ + ( -((uintptr_t)app.tls.image + app.tls.size)
+ & (app.tls.align-1) );
+#else
+ tls_offset = app.tls.offset = app.tls.size
+ + ( -((uintptr_t)app.tls.image + app.tls.size)
+ & (app.tls.align-1) );
+#endif
+ tls_align = MAXP2(tls_align, app.tls.align);
+ }
+ app.global = 1;
+ decode_dyn(&app);
+ if (DL_FDPIC) {
+ makefuncdescs(&app);
+ if (!app.loadmap) {
+ app.loadmap = (void *)&app_dummy_loadmap;
+ app.loadmap->nsegs = 1;
+ app.loadmap->segs[0].addr = (size_t)app.map;
+ app.loadmap->segs[0].p_vaddr = (size_t)app.map
+ - (size_t)app.base;
+ app.loadmap->segs[0].p_memsz = app.map_len;
+ }
+ argv[-3] = (void *)app.loadmap;
+ }
+
+ /* Attach to vdso, if provided by the kernel */
+ if (search_vec(auxv, &vdso_base, AT_SYSINFO_EHDR)) {
+ Ehdr *ehdr = (void *)vdso_base;
+ Phdr *phdr = vdso.phdr = (void *)(vdso_base + ehdr->e_phoff);
+ vdso.phnum = ehdr->e_phnum;
+ vdso.phentsize = ehdr->e_phentsize;
+ for (i=ehdr->e_phnum; i; i--, phdr=(void *)((char *)phdr + ehdr->e_phentsize)) {
+ if (phdr->p_type == PT_DYNAMIC)
+ vdso.dynv = (void *)(vdso_base + phdr->p_offset);
+ if (phdr->p_type == PT_LOAD)
+ vdso.base = (void *)(vdso_base - phdr->p_vaddr + phdr->p_offset);
+ }
+ vdso.name = "";
+ vdso.shortname = "linux-gate.so.1";
+ vdso.global = 1;
+ vdso.relocated = 1;
+ decode_dyn(&vdso);
+ vdso.prev = &ldso;
+ ldso.next = &vdso;
+ }
+
+ /* Initial dso chain consists only of the app. */
+ head = tail = &app;
+
+ /* Donate unused parts of app and library mapping to malloc */
+ reclaim_gaps(&app);
+ reclaim_gaps(&ldso);
+
+ /* Load preload/needed libraries, add their symbols to the global
+ * namespace, and perform all remaining relocations. */
+ if (env_preload) load_preload(env_preload);
+ load_deps(&app);
+ make_global(&app);
+
+#ifndef DYNAMIC_IS_RO
+ for (i=0; app.dynv[i]; i+=2)
+ if (app.dynv[i]==DT_DEBUG)
+ app.dynv[i+1] = (size_t)&debug;
+#endif
+
+ /* The main program must be relocated LAST since it may contin
+ * copy relocations which depend on libraries' relocations. */
+ reloc_all(app.next);
+ reloc_all(&app);
+
+ update_tls_size();
+ if (libc.tls_size > sizeof builtin_tls || tls_align > MIN_TLS_ALIGN) {
+ void *initial_tls = calloc(libc.tls_size, 1);
+ if (!initial_tls) {
+ dprintf(2, "%s: Error getting %zu bytes thread-local storage: %m\n",
+ argv[0], libc.tls_size);
+ _exit(127);
+ }
+ if (__init_tp(__copy_tls(initial_tls)) < 0) {
+ a_crash();
+ }
+ } else {
+ size_t tmp_tls_size = libc.tls_size;
+ pthread_t self = __pthread_self();
+ /* Temporarily set the tls size to the full size of
+ * builtin_tls so that __copy_tls will use the same layout
+ * as it did for before. Then check, just to be safe. */
+ libc.tls_size = sizeof builtin_tls;
+ if (__copy_tls((void*)builtin_tls) != self) a_crash();
+ libc.tls_size = tmp_tls_size;
+ }
+ static_tls_cnt = tls_cnt;
+
+ if (ldso_fail) _exit(127);
+ if (ldd_mode) _exit(0);
+
+ /* Switch to runtime mode: any further failures in the dynamic
+ * linker are a reportable failure rather than a fatal startup
+ * error. */
+ runtime = 1;
+
+ debug.ver = 1;
+ debug.bp = dl_debug_state;
+ debug.head = head;
+ debug.base = ldso.base;
+ debug.state = 0;
+ _dl_debug_state();
+
+ errno = 0;
+
+ CRTJMP((void *)aux[AT_ENTRY], argv-1);
+ for(;;);
+}
+
+void *dlopen(const char *file, int mode)
+{
+ struct dso *volatile p, *orig_tail, *next;
+ struct tls_module *orig_tls_tail;
+ size_t orig_tls_cnt, orig_tls_offset, orig_tls_align;
+ size_t i;
+ int cs;
+ jmp_buf jb;
+
+ if (!file) return head;
+
+ pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs);
+ pthread_rwlock_wrlock(&lock);
+ __inhibit_ptc();
+
+ p = 0;
+ orig_tls_tail = tls_tail;
+ orig_tls_cnt = tls_cnt;
+ orig_tls_offset = tls_offset;
+ orig_tls_align = tls_align;
+ orig_tail = tail;
+ noload = mode & RTLD_NOLOAD;
+
+ rtld_fail = &jb;
+ if (setjmp(*rtld_fail)) {
+ /* Clean up anything new that was (partially) loaded */
+ if (p && p->deps) for (i=0; p->deps[i]; i++)
+ if (p->deps[i]->global < 0)
+ p->deps[i]->global = 0;
+ for (p=orig_tail->next; p; p=next) {
+ next = p->next;
+ while (p->td_index) {
+ void *tmp = p->td_index->next;
+ free(p->td_index);
+ p->td_index = tmp;
+ }
+ free(p->funcdescs);
+ if (p->rpath != p->rpath_orig)
+ free(p->rpath);
+ free(p->deps);
+ unmap_library(p);
+ free(p);
+ }
+ if (!orig_tls_tail) libc.tls_head = 0;
+ tls_tail = orig_tls_tail;
+ tls_cnt = orig_tls_cnt;
+ tls_offset = orig_tls_offset;
+ tls_align = orig_tls_align;
+ tail = orig_tail;
+ tail->next = 0;
+ p = 0;
+ goto end;
+ } else p = load_library(file, head);
+
+ if (!p) {
+ error(noload ?
+ "Library %s is not already loaded" :
+ "Error loading shared library %s: %m",
+ file);
+ goto end;
+ }
+
+ /* First load handling */
+ if (!p->deps) {
+ load_deps(p);
+ if (p->deps) for (i=0; p->deps[i]; i++)
+ if (!p->deps[i]->global)
+ p->deps[i]->global = -1;
+ if (!p->global) p->global = -1;
+ reloc_all(p);
+ if (p->deps) for (i=0; p->deps[i]; i++)
+ if (p->deps[i]->global < 0)
+ p->deps[i]->global = 0;
+ if (p->global < 0) p->global = 0;
+ }
+
+ if (mode & RTLD_GLOBAL) {
+ if (p->deps) for (i=0; p->deps[i]; i++)
+ p->deps[i]->global = 1;
+ p->global = 1;
+ }
+
+ update_tls_size();
+ _dl_debug_state();
+ orig_tail = tail;
+end:
+ __release_ptc();
+ if (p) gencnt++;
+ pthread_rwlock_unlock(&lock);
+ if (p) do_init_fini(orig_tail);
+ pthread_setcancelstate(cs, 0);
+ return p;
+}
+
+__attribute__((__visibility__("hidden")))
+int __dl_invalid_handle(void *h)
+{
+ struct dso *p;
+ for (p=head; p; p=p->next) if (h==p) return 0;
+ error("Invalid library handle %p", (void *)h);
+ return 1;
+}
+
+static void *addr2dso(size_t a)
+{
+ struct dso *p;
+ size_t i;
+ if (DL_FDPIC) for (p=head; p; p=p->next) {
+ i = count_syms(p);
+ if (a-(size_t)p->funcdescs < i*sizeof(*p->funcdescs))
+ return p;
+ }
+ for (p=head; p; p=p->next) {
+ if (DL_FDPIC && p->loadmap) {
+ for (i=0; i<p->loadmap->nsegs; i++) {
+ if (a-p->loadmap->segs[i].p_vaddr
+ < p->loadmap->segs[i].p_memsz)
+ return p;
+ }
+ } else {
+ if (a-(size_t)p->map < p->map_len)
+ return p;
+ }
+ }
+ return 0;
+}
+
+void *__tls_get_addr(size_t *);
+
+static void *do_dlsym(struct dso *p, const char *s, void *ra)
+{
+ size_t i;
+ uint32_t h = 0, gh = 0, *ght;
+ Sym *sym;
+ if (p == head || p == RTLD_DEFAULT || p == RTLD_NEXT) {
+ if (p == RTLD_DEFAULT) {
+ p = head;
+ } else if (p == RTLD_NEXT) {
+ p = addr2dso((size_t)ra);
+ if (!p) p=head;
+ p = p->next;
+ }
+ struct symdef def = find_sym(p, s, 0);
+ if (!def.sym) goto failed;
+ if ((def.sym->st_info&0xf) == STT_TLS)
+ return __tls_get_addr((size_t []){def.dso->tls_id, def.sym->st_value});
+ if (DL_FDPIC && (def.sym->st_info&0xf) == STT_FUNC)
+ return def.dso->funcdescs + (def.sym - def.dso->syms);
+ return laddr(def.dso, def.sym->st_value);
+ }
+ if (__dl_invalid_handle(p))
+ return 0;
+ if ((ght = p->ghashtab)) {
+ gh = gnu_hash(s);
+ sym = gnu_lookup(gh, ght, p, s);
+ } else {
+ h = sysv_hash(s);
+ sym = sysv_lookup(s, h, p);
+ }
+ if (sym && (sym->st_info&0xf) == STT_TLS)
+ return __tls_get_addr((size_t []){p->tls_id, sym->st_value});
+ if (DL_FDPIC && sym && sym->st_shndx && (sym->st_info&0xf) == STT_FUNC)
+ return p->funcdescs + (sym - p->syms);
+ if (sym && sym->st_value && (1<<(sym->st_info&0xf) & OK_TYPES))
+ return laddr(p, sym->st_value);
+ if (p->deps) for (i=0; p->deps[i]; i++) {
+ if ((ght = p->deps[i]->ghashtab)) {
+ if (!gh) gh = gnu_hash(s);
+ sym = gnu_lookup(gh, ght, p->deps[i], s);
+ } else {
+ if (!h) h = sysv_hash(s);
+ sym = sysv_lookup(s, h, p->deps[i]);
+ }
+ if (sym && (sym->st_info&0xf) == STT_TLS)
+ return __tls_get_addr((size_t []){p->deps[i]->tls_id, sym->st_value});
+ if (DL_FDPIC && sym && sym->st_shndx && (sym->st_info&0xf) == STT_FUNC)
+ return p->deps[i]->funcdescs + (sym - p->deps[i]->syms);
+ if (sym && sym->st_value && (1<<(sym->st_info&0xf) & OK_TYPES))
+ return laddr(p->deps[i], sym->st_value);
+ }
+failed:
+ error("Symbol not found: %s", s);
+ return 0;
+}
+
+int dladdr(const void *addr, Dl_info *info)
+{
+ struct dso *p;
+ Sym *sym, *bestsym;
+ uint32_t nsym;
+ char *strings;
+ void *best = 0;
+
+ pthread_rwlock_rdlock(&lock);
+ p = addr2dso((size_t)addr);
+ pthread_rwlock_unlock(&lock);
+
+ if (!p) return 0;
+
+ sym = p->syms;
+ strings = p->strings;
+ nsym = count_syms(p);
+
+ if (DL_FDPIC) {
+ size_t idx = ((size_t)addr-(size_t)p->funcdescs)
+ / sizeof(*p->funcdescs);
+ if (idx < nsym && (sym[idx].st_info&0xf) == STT_FUNC) {
+ best = p->funcdescs + idx;
+ bestsym = sym + idx;
+ }
+ }
+
+ if (!best) for (; nsym; nsym--, sym++) {
+ if (sym->st_value
+ && (1<<(sym->st_info&0xf) & OK_TYPES)
+ && (1<<(sym->st_info>>4) & OK_BINDS)) {
+ void *symaddr = laddr(p, sym->st_value);
+ if (symaddr > addr || symaddr < best)
+ continue;
+ best = symaddr;
+ bestsym = sym;
+ if (addr == symaddr)
+ break;
+ }
+ }
+
+ if (!best) return 0;
+
+ if (DL_FDPIC && (bestsym->st_info&0xf) == STT_FUNC)
+ best = p->funcdescs + (bestsym - p->syms);
+
+ info->dli_fname = p->name;
+ info->dli_fbase = p->base;
+ info->dli_sname = strings + bestsym->st_name;
+ info->dli_saddr = best;
+
+ return 1;
+}
+
+__attribute__((__visibility__("hidden")))
+void *__dlsym(void *restrict p, const char *restrict s, void *restrict ra)
+{
+ void *res;
+ pthread_rwlock_rdlock(&lock);
+ res = do_dlsym(p, s, ra);
+ pthread_rwlock_unlock(&lock);
+ return res;
+}
+
+int dl_iterate_phdr(int(*callback)(struct dl_phdr_info *info, size_t size, void *data), void *data)
+{
+ struct dso *current;
+ struct dl_phdr_info info;
+ int ret = 0;
+ for(current = head; current;) {
+ info.dlpi_addr = (uintptr_t)current->base;
+ info.dlpi_name = current->name;
+ info.dlpi_phdr = current->phdr;
+ info.dlpi_phnum = current->phnum;
+ info.dlpi_adds = gencnt;
+ info.dlpi_subs = 0;
+ info.dlpi_tls_modid = current->tls_id;
+ info.dlpi_tls_data = current->tls.image;
+
+ ret = (callback)(&info, sizeof (info), data);
+
+ if (ret != 0) break;
+
+ pthread_rwlock_rdlock(&lock);
+ current = current->next;
+ pthread_rwlock_unlock(&lock);
+ }
+ return ret;
+}
+
+__attribute__((__visibility__("hidden")))
+void __dl_vseterr(const char *, va_list);
+
+static void error(const char *fmt, ...)
+{
+ va_list ap;
+ va_start(ap, fmt);
+ if (!runtime) {
+ vdprintf(2, fmt, ap);
+ dprintf(2, "\n");
+ ldso_fail = 1;
+ va_end(ap);
+ return;
+ }
+ __dl_vseterr(fmt, ap);
+ va_end(ap);
+}
--- a/src/env/__init_tls.c
+++ b/src/env/__init_tls.c
@@ -8,9 +8,6 @@
#include "atomic.h"
#include "syscall.h"
-#ifndef SHARED
-static
-#endif
int __init_tp(void *p)
{
pthread_t td = p;
@@ -24,8 +21,6 @@ int __init_tp(void *p)
return 0;
}
-#ifndef SHARED
-
static struct builtin_tls {
char c;
struct pthread pt;
@@ -33,33 +28,40 @@ static struct builtin_tls {
} builtin_tls[1];
#define MIN_TLS_ALIGN offsetof(struct builtin_tls, pt)
-struct tls_image {
- void *image;
- size_t len, size, align;
-} __static_tls;
-
-#define T __static_tls
+static struct tls_module main_tls;
void *__copy_tls(unsigned char *mem)
{
pthread_t td;
- if (!T.image) return mem;
- void **dtv = (void *)mem;
- dtv[0] = (void *)1;
+ struct tls_module *p;
+ size_t i;
+ void **dtv;
+
#ifdef TLS_ABOVE_TP
- mem += sizeof(void *) * 2;
- mem += -((uintptr_t)mem + sizeof(struct pthread)) & (T.align-1);
+ dtv = (void **)(mem + libc.tls_size) - (libc.tls_cnt + 1);
+
+ mem += -((uintptr_t)mem + sizeof(struct pthread)) & (libc.tls_align-1);
td = (pthread_t)mem;
mem += sizeof(struct pthread);
+
+ for (i=1, p=libc.tls_head; p; i++, p=p->next) {
+ dtv[i] = mem + p->offset;
+ memcpy(dtv[i], p->image, p->len);
+ }
#else
+ dtv = (void **)mem;
+
mem += libc.tls_size - sizeof(struct pthread);
- mem -= (uintptr_t)mem & (T.align-1);
+ mem -= (uintptr_t)mem & (libc.tls_align-1);
td = (pthread_t)mem;
- mem -= T.size;
+
+ for (i=1, p=libc.tls_head; p; i++, p=p->next) {
+ dtv[i] = mem - p->offset;
+ memcpy(dtv[i], p->image, p->len);
+ }
#endif
+ dtv[0] = (void *)libc.tls_cnt;
td->dtv = td->dtv_copy = dtv;
- dtv[1] = mem;
- memcpy(mem, T.image, T.len);
return td;
}
@@ -69,7 +71,7 @@ typedef Elf32_Phdr Phdr;
typedef Elf64_Phdr Phdr;
#endif
-void __init_tls(size_t *aux)
+static void static_init_tls(size_t *aux)
{
unsigned char *p;
size_t n;
@@ -86,16 +88,24 @@ void __init_tls(size_t *aux)
}
if (tls_phdr) {
- T.image = (void *)(base + tls_phdr->p_vaddr);
- T.len = tls_phdr->p_filesz;
- T.size = tls_phdr->p_memsz;
- T.align = tls_phdr->p_align;
+ main_tls.image = (void *)(base + tls_phdr->p_vaddr);
+ main_tls.len = tls_phdr->p_filesz;
+ main_tls.size = tls_phdr->p_memsz;
+ main_tls.align = tls_phdr->p_align;
+ libc.tls_cnt = 1;
+ libc.tls_head = &main_tls;
}
- T.size += (-T.size - (uintptr_t)T.image) & (T.align-1);
- if (T.align < MIN_TLS_ALIGN) T.align = MIN_TLS_ALIGN;
+ main_tls.size += (-main_tls.size - (uintptr_t)main_tls.image)
+ & (main_tls.align-1);
+ if (main_tls.align < MIN_TLS_ALIGN) main_tls.align = MIN_TLS_ALIGN;
+#ifndef TLS_ABOVE_TP
+ main_tls.offset = main_tls.size;
+#endif
- libc.tls_size = 2*sizeof(void *)+T.size+T.align+sizeof(struct pthread)
+ libc.tls_align = main_tls.align;
+ libc.tls_size = 2*sizeof(void *) + sizeof(struct pthread)
+ + main_tls.size + main_tls.align
+ MIN_TLS_ALIGN-1 & -MIN_TLS_ALIGN;
if (libc.tls_size > sizeof builtin_tls) {
@@ -117,6 +127,5 @@ void __init_tls(size_t *aux)
if (__init_tp(__copy_tls(mem)) < 0)
a_crash();
}
-#else
-void __init_tls(size_t *auxv) { }
-#endif
+
+weak_alias(static_init_tls, __init_tls);
--- a/src/env/__libc_start_main.c
+++ b/src/env/__libc_start_main.c
@@ -8,21 +8,17 @@
void __init_tls(size_t *);
-#ifndef SHARED
-static void dummy() {}
+static void dummy(void) {}
weak_alias(dummy, _init);
-extern void (*const __init_array_start)() __attribute__((weak));
-extern void (*const __init_array_end)() __attribute__((weak));
-#endif
+
+__attribute__((__weak__, __visibility__("hidden")))
+extern void (*const __init_array_start)(void), (*const __init_array_end)(void);
static void dummy1(void *p) {}
weak_alias(dummy1, __init_ssp);
#define AUX_CNT 38
-#ifndef SHARED
-static
-#endif
void __init_libc(char **envp, char *pn)
{
size_t i, *auxv, aux[AUX_CNT] = { 0 };
@@ -57,20 +53,22 @@ void __init_libc(char **envp, char *pn)
libc.secure = 1;
}
-int __libc_start_main(int (*main)(int,char **,char **), int argc, char **argv)
+static void libc_start_init(void)
{
- char **envp = argv+argc+1;
-
-#ifndef SHARED
- __init_libc(envp, argv[0]);
_init();
uintptr_t a = (uintptr_t)&__init_array_start;
for (; a<(uintptr_t)&__init_array_end; a+=sizeof(void(*)()))
(*(void (**)())a)();
-#else
- void __libc_start_init(void);
+}
+
+weak_alias(libc_start_init, __libc_start_init);
+
+int __libc_start_main(int (*main)(int,char **,char **), int argc, char **argv)
+{
+ char **envp = argv+argc+1;
+
+ __init_libc(envp, argv[0]);
__libc_start_init();
-#endif
/* Pass control to the application */
exit(main(argc, argv, envp));
--- a/src/env/__reset_tls.c
+++ b/src/env/__reset_tls.c
@@ -1,21 +1,16 @@
-#ifndef SHARED
-
#include <string.h>
#include "pthread_impl.h"
-
-extern struct tls_image {
- void *image;
- size_t len, size, align;
-} __static_tls;
-
-#define T __static_tls
+#include "libc.h"
void __reset_tls()
{
- if (!T.size) return;
pthread_t self = __pthread_self();
- memcpy(self->dtv[1], T.image, T.len);
- memset((char *)self->dtv[1]+T.len, 0, T.size-T.len);
+ struct tls_module *p;
+ size_t i, n = (size_t)self->dtv[0];
+ if (n) for (p=libc.tls_head, i=1; i<=n; i++, p=p->next) {
+ if (!self->dtv[i]) continue;
+ memcpy(self->dtv[i], p->image, p->len);
+ memset((char *)self->dtv[i]+p->len, 0,
+ p->size - p->len);
+ }
}
-
-#endif
--- a/src/env/__stack_chk_fail.c
+++ b/src/env/__stack_chk_fail.c
@@ -17,16 +17,7 @@ void __stack_chk_fail(void)
a_crash();
}
-#ifdef SHARED
-
__attribute__((__visibility__("hidden")))
-void __stack_chk_fail_local(void)
-{
- a_crash();
-}
-
-#else
+void __stack_chk_fail_local(void);
weak_alias(__stack_chk_fail, __stack_chk_fail_local);
-
-#endif
--- /dev/null
+++ b/src/exit/arm/__aeabi_atexit.c
@@ -0,0 +1,6 @@
+int __cxa_atexit(void (*func)(void *), void *arg, void *dso);
+
+int __aeabi_atexit (void *obj, void (*func) (void *), void *d)
+{
+ return __cxa_atexit (func, obj, d);
+}
--- a/src/exit/exit.c
+++ b/src/exit/exit.c
@@ -10,25 +10,25 @@ static void dummy()
* as a consequence of linking either __toread.c or __towrite.c. */
weak_alias(dummy, __funcs_on_exit);
weak_alias(dummy, __stdio_exit);
-
-#ifndef SHARED
weak_alias(dummy, _fini);
-extern void (*const __fini_array_start)() __attribute__((weak));
-extern void (*const __fini_array_end)() __attribute__((weak));
-#endif
-_Noreturn void exit(int code)
-{
- __funcs_on_exit();
+__attribute__((__weak__, __visibility__("hidden")))
+extern void (*const __fini_array_start)(void), (*const __fini_array_end)(void);
-#ifndef SHARED
+static void libc_exit_fini(void)
+{
uintptr_t a = (uintptr_t)&__fini_array_end;
for (; a>(uintptr_t)&__fini_array_start; a-=sizeof(void(*)()))
(*(void (**)())(a-sizeof(void(*)())))();
_fini();
-#endif
+}
- __stdio_exit();
+weak_alias(libc_exit_fini, __libc_exit_fini);
+_Noreturn void exit(int code)
+{
+ __funcs_on_exit();
+ __libc_exit_fini();
+ __stdio_exit();
_Exit(code);
}
--- /dev/null
+++ b/src/fenv/arm/fenv-hf.S
@@ -0,0 +1,69 @@
+#if __ARM_PCS_VFP
+
+.syntax unified
+.fpu vfp
+
+.global fegetround
+.type fegetround,%function
+fegetround:
+ fmrx r0, fpscr
+ and r0, r0, #0xc00000
+ bx lr
+
+.global __fesetround
+.type __fesetround,%function
+__fesetround:
+ fmrx r3, fpscr
+ bic r3, r3, #0xc00000
+ orr r3, r3, r0
+ fmxr fpscr, r3
+ mov r0, #0
+ bx lr
+
+.global fetestexcept
+.type fetestexcept,%function
+fetestexcept:
+ and r0, r0, #0x1f
+ fmrx r3, fpscr
+ and r0, r0, r3
+ bx lr
+
+.global feclearexcept
+.type feclearexcept,%function
+feclearexcept:
+ and r0, r0, #0x1f
+ fmrx r3, fpscr
+ bic r3, r3, r0
+ fmxr fpscr, r3
+ mov r0, #0
+ bx lr
+
+.global feraiseexcept
+.type feraiseexcept,%function
+feraiseexcept:
+ and r0, r0, #0x1f
+ fmrx r3, fpscr
+ orr r3, r3, r0
+ fmxr fpscr, r3
+ mov r0, #0
+ bx lr
+
+.global fegetenv
+.type fegetenv,%function
+fegetenv:
+ fmrx r3, fpscr
+ str r3, [r0]
+ mov r0, #0
+ bx lr
+
+.global fesetenv
+.type fesetenv,%function
+fesetenv:
+ cmn r0, #1
+ moveq r3, #0
+ ldrne r3, [r0]
+ fmxr fpscr, r3
+ mov r0, #0
+ bx lr
+
+#endif
--- /dev/null
+++ b/src/fenv/arm/fenv.c
@@ -0,0 +1,3 @@
+#if !__ARM_PCS_VFP
+#include "../fenv.c"
+#endif
--- a/src/fenv/armebhf/fenv.sub
+++ /dev/null
@@ -1 +0,0 @@
-../armhf/fenv.s
--- a/src/fenv/armhf/fenv.s
+++ /dev/null
@@ -1,64 +0,0 @@
-.fpu vfp
-
-.global fegetround
-.type fegetround,%function
-fegetround:
- mrc p10, 7, r0, cr1, cr0, 0
- and r0, r0, #0xc00000
- bx lr
-
-.global __fesetround
-.type __fesetround,%function
-__fesetround:
- mrc p10, 7, r3, cr1, cr0, 0
- bic r3, r3, #0xc00000
- orr r3, r3, r0
- mcr p10, 7, r3, cr1, cr0, 0
- mov r0, #0
- bx lr
-
-.global fetestexcept
-.type fetestexcept,%function
-fetestexcept:
- and r0, r0, #0x1f
- mrc p10, 7, r3, cr1, cr0, 0
- and r0, r0, r3
- bx lr
-
-.global feclearexcept
-.type feclearexcept,%function
-feclearexcept:
- and r0, r0, #0x1f
- mrc p10, 7, r3, cr1, cr0, 0
- bic r3, r3, r0
- mcr p10, 7, r3, cr1, cr0, 0
- mov r0, #0
- bx lr
-
-.global feraiseexcept
-.type feraiseexcept,%function
-feraiseexcept:
- and r0, r0, #0x1f
- mrc p10, 7, r3, cr1, cr0, 0
- orr r3, r3, r0
- mcr p10, 7, r3, cr1, cr0, 0
- mov r0, #0
- bx lr
-
-.global fegetenv
-.type fegetenv,%function
-fegetenv:
- mrc p10, 7, r3, cr1, cr0, 0
- str r3, [r0]
- mov r0, #0
- bx lr
-
-.global fesetenv
-.type fesetenv,%function
-fesetenv:
- cmn r0, #1
- moveq r3, #0
- ldrne r3, [r0]
- mcr p10, 7, r3, cr1, cr0, 0
- mov r0, #0
- bx lr
--- a/src/fenv/armhf/fenv.sub
+++ /dev/null
@@ -1 +0,0 @@
-fenv.s
--- a/src/fenv/mips-sf/fenv.sub
+++ /dev/null
@@ -1 +0,0 @@
-../fenv.c
--- /dev/null
+++ b/src/fenv/mips/fenv-sf.c
@@ -0,0 +1,3 @@
+#ifdef __mips_soft_float
+#include "../fenv.c"
+#endif
--- /dev/null
+++ b/src/fenv/mips/fenv.S
@@ -0,0 +1,71 @@
+#ifndef __mips_soft_float
+
+.set noreorder
+
+.global feclearexcept
+.type feclearexcept,@function
+feclearexcept:
+ and $4, $4, 0x7c
+ cfc1 $5, $31
+ or $5, $5, $4
+ xor $5, $5, $4
+ ctc1 $5, $31
+ jr $ra
+ li $2, 0
+
+.global feraiseexcept
+.type feraiseexcept,@function
+feraiseexcept:
+ and $4, $4, 0x7c
+ cfc1 $5, $31
+ or $5, $5, $4
+ ctc1 $5, $31
+ jr $ra
+ li $2, 0
+
+.global fetestexcept
+.type fetestexcept,@function
+fetestexcept:
+ and $4, $4, 0x7c
+ cfc1 $2, $31
+ jr $ra
+ and $2, $2, $4
+
+.global fegetround
+.type fegetround,@function
+fegetround:
+ cfc1 $2, $31
+ jr $ra
+ andi $2, $2, 3
+
+.global __fesetround
+.type __fesetround,@function
+__fesetround:
+ cfc1 $5, $31
+ li $6, -4
+ and $5, $5, $6
+ or $5, $5, $4
+ ctc1 $5, $31
+ jr $ra
+ li $2, 0
+
+.global fegetenv
+.type fegetenv,@function
+fegetenv:
+ cfc1 $5, $31
+ sw $5, 0($4)
+ jr $ra
+ li $2, 0
+
+.global fesetenv
+.type fesetenv,@function
+fesetenv:
+ addiu $5, $4, 1
+ beq $5, $0, 1f
+ nop
+ lw $5, 0($4)
+1: ctc1 $5, $31
+ jr $ra
+ li $2, 0
+
+#endif
--- a/src/fenv/mips/fenv.s
+++ /dev/null
@@ -1,67 +0,0 @@
-.set noreorder
-
-.global feclearexcept
-.type feclearexcept,@function
-feclearexcept:
- and $4, $4, 0x7c
- cfc1 $5, $31
- or $5, $5, $4
- xor $5, $5, $4
- ctc1 $5, $31
- jr $ra
- li $2, 0
-
-.global feraiseexcept
-.type feraiseexcept,@function
-feraiseexcept:
- and $4, $4, 0x7c
- cfc1 $5, $31
- or $5, $5, $4
- ctc1 $5, $31
- jr $ra
- li $2, 0
-
-.global fetestexcept
-.type fetestexcept,@function
-fetestexcept:
- and $4, $4, 0x7c
- cfc1 $2, $31
- jr $ra
- and $2, $2, $4
-
-.global fegetround
-.type fegetround,@function
-fegetround:
- cfc1 $2, $31
- jr $ra
- andi $2, $2, 3
-
-.global __fesetround
-.type __fesetround,@function
-__fesetround:
- cfc1 $5, $31
- li $6, -4
- and $5, $5, $6
- or $5, $5, $4
- ctc1 $5, $31
- jr $ra
- li $2, 0
-
-.global fegetenv
-.type fegetenv,@function
-fegetenv:
- cfc1 $5, $31
- sw $5, 0($4)
- jr $ra
- li $2, 0
-
-.global fesetenv
-.type fesetenv,@function
-fesetenv:
- addiu $5, $4, 1
- beq $5, $0, 1f
- nop
- lw $5, 0($4)
-1: ctc1 $5, $31
- jr $ra
- li $2, 0
--- a/src/fenv/mipsel-sf/fenv.sub
+++ /dev/null
@@ -1 +0,0 @@
-../fenv.c
--- a/src/fenv/sh-nofpu/fenv.sub
+++ /dev/null
@@ -1 +0,0 @@
-../fenv.c
--- /dev/null
+++ b/src/fenv/sh/fenv-nofpu.c
@@ -0,0 +1,3 @@
+#if !__SH_FPU_ANY__ && !__SH4__
+#include "../fenv.c"
+#endif
--- /dev/null
+++ b/src/fenv/sh/fenv.S
@@ -0,0 +1,78 @@
+#if __SH_FPU_ANY__ || __SH4__
+
+.global fegetround
+.type fegetround, @function
+fegetround:
+ sts fpscr, r0
+ rts
+ and #3, r0
+
+.global __fesetround
+.type __fesetround, @function
+__fesetround:
+ sts fpscr, r0
+ or r4, r0
+ lds r0, fpscr
+ rts
+ mov #0, r0
+
+.global fetestexcept
+.type fetestexcept, @function
+fetestexcept:
+ sts fpscr, r0
+ and r4, r0
+ rts
+ and #0x7c, r0
+
+.global feclearexcept
+.type feclearexcept, @function
+feclearexcept:
+ mov r4, r0
+ and #0x7c, r0
+ not r0, r4
+ sts fpscr, r0
+ and r4, r0
+ lds r0, fpscr
+ rts
+ mov #0, r0
+
+.global feraiseexcept
+.type feraiseexcept, @function
+feraiseexcept:
+ mov r4, r0
+ and #0x7c, r0
+ sts fpscr, r4
+ or r4, r0
+ lds r0, fpscr
+ rts
+ mov #0, r0
+
+.global fegetenv
+.type fegetenv, @function
+fegetenv:
+ sts fpscr, r0
+ mov.l r0, @r4
+ rts
+ mov #0, r0
+
+.global fesetenv
+.type fesetenv, @function
+fesetenv:
+ mov r4, r0
+ cmp/eq #-1, r0
+ bf 1f
+
+ ! the default environment is complicated by the fact that we need to
+ ! preserve the current precision bit, which we do not know a priori
+ sts fpscr, r0
+ mov #8, r1
+ swap.w r1, r1
+ bra 2f
+ and r1, r0
+
+1: mov.l @r4, r0 ! non-default environment
+2: lds r0, fpscr
+ rts
+ mov #0, r0
+
+#endif
--- a/src/fenv/sh/fenv.s
+++ /dev/null
@@ -1,74 +0,0 @@
-.global fegetround
-.type fegetround, @function
-fegetround:
- sts fpscr, r0
- rts
- and #3, r0
-
-.global __fesetround
-.type __fesetround, @function
-__fesetround:
- sts fpscr, r0
- or r4, r0
- lds r0, fpscr
- rts
- mov #0, r0
-
-.global fetestexcept
-.type fetestexcept, @function
-fetestexcept:
- sts fpscr, r0
- and r4, r0
- rts
- and #0x7c, r0
-
-.global feclearexcept
-.type feclearexcept, @function
-feclearexcept:
- mov r4, r0
- and #0x7c, r0
- not r0, r4
- sts fpscr, r0
- and r4, r0
- lds r0, fpscr
- rts
- mov #0, r0
-
-.global feraiseexcept
-.type feraiseexcept, @function
-feraiseexcept:
- mov r4, r0
- and #0x7c, r0
- sts fpscr, r4
- or r4, r0
- lds r0, fpscr
- rts
- mov #0, r0
-
-.global fegetenv
-.type fegetenv, @function
-fegetenv:
- sts fpscr, r0
- mov.l r0, @r4
- rts
- mov #0, r0
-
-.global fesetenv
-.type fesetenv, @function
-fesetenv:
- mov r4, r0
- cmp/eq #-1, r0
- bf 1f
-
- ! the default environment is complicated by the fact that we need to
- ! preserve the current precision bit, which we do not know a priori
- sts fpscr, r0
- mov #8, r1
- swap.w r1, r1
- bra 2f
- and r1, r0
-
-1: mov.l @r4, r0 ! non-default environment
-2: lds r0, fpscr
- rts
- mov #0, r0
--- a/src/fenv/sheb-nofpu/fenv.sub
+++ /dev/null
@@ -1 +0,0 @@
-../fenv.c
--- a/src/internal/arm/syscall.s
+++ b/src/internal/arm/syscall.s
@@ -1,3 +1,4 @@
+.syntax unified
.global __syscall
.hidden __syscall
.type __syscall,%function
@@ -11,6 +12,4 @@ __syscall:
ldmfd ip,{r3,r4,r5,r6}
svc 0
ldmfd sp!,{r4,r5,r6,r7}
- tst lr,#1
- moveq pc,lr
bx lr
--- /dev/null
+++ b/src/internal/atomic.h
@@ -0,0 +1,275 @@
+#ifndef _ATOMIC_H
+#define _ATOMIC_H
+
+#include <stdint.h>
+
+#include "atomic_arch.h"
+
+#ifdef a_ll
+
+#ifndef a_pre_llsc
+#define a_pre_llsc()
+#endif
+
+#ifndef a_post_llsc
+#define a_post_llsc()
+#endif
+
+#ifndef a_cas
+#define a_cas a_cas
+static inline int a_cas(volatile int *p, int t, int s)
+{
+ int old;
+ a_pre_llsc();
+ do old = a_ll(p);
+ while (old==t && !a_sc(p, s));
+ a_post_llsc();
+ return old;
+}
+#endif
+
+#ifndef a_swap
+#define a_swap a_swap
+static inline int a_swap(volatile int *p, int v)
+{
+ int old;
+ a_pre_llsc();
+ do old = a_ll(p);
+ while (!a_sc(p, v));
+ a_post_llsc();
+ return old;
+}
+#endif
+
+#ifndef a_fetch_add
+#define a_fetch_add a_fetch_add
+static inline int a_fetch_add(volatile int *p, int v)
+{
+ int old;
+ a_pre_llsc();
+ do old = a_ll(p);
+ while (!a_sc(p, (unsigned)old + v));
+ a_post_llsc();
+ return old;
+}
+#endif
+
+#ifndef a_fetch_and
+#define a_fetch_and a_fetch_and
+static inline int a_fetch_and(volatile int *p, int v)
+{
+ int old;
+ a_pre_llsc();
+ do old = a_ll(p);
+ while (!a_sc(p, old & v));
+ a_post_llsc();
+ return old;
+}
+#endif
+
+#ifndef a_fetch_or
+#define a_fetch_or a_fetch_or
+static inline int a_fetch_or(volatile int *p, int v)
+{
+ int old;
+ a_pre_llsc();
+ do old = a_ll(p);
+ while (!a_sc(p, old | v));
+ a_post_llsc();
+ return old;
+}
+#endif
+
+#endif
+
+#ifndef a_cas
+#error missing definition of a_cas
+#endif
+
+#ifndef a_swap
+#define a_swap a_swap
+static inline int a_swap(volatile int *p, int v)
+{
+ int old;
+ do old = *p;
+ while (a_cas(p, old, v) != old);
+ return old;
+}
+#endif
+
+#ifndef a_fetch_add
+#define a_fetch_add a_fetch_add
+static inline int a_fetch_add(volatile int *p, int v)
+{
+ int old;
+ do old = *p;
+ while (a_cas(p, old, (unsigned)old+v) != old);
+ return old;
+}
+#endif
+
+#ifndef a_fetch_and
+#define a_fetch_and a_fetch_and
+static inline int a_fetch_and(volatile int *p, int v)
+{
+ int old;
+ do old = *p;
+ while (a_cas(p, old, old&v) != old);
+ return old;
+}
+#endif
+#ifndef a_fetch_or
+#define a_fetch_or a_fetch_or
+static inline int a_fetch_or(volatile int *p, int v)
+{
+ int old;
+ do old = *p;
+ while (a_cas(p, old, old|v) != old);
+ return old;
+}
+#endif
+
+#ifndef a_and
+#define a_and a_and
+static inline void a_and(volatile int *p, int v)
+{
+ a_fetch_and(p, v);
+}
+#endif
+
+#ifndef a_or
+#define a_or a_or
+static inline void a_or(volatile int *p, int v)
+{
+ a_fetch_or(p, v);
+}
+#endif
+
+#ifndef a_inc
+#define a_inc a_inc
+static inline void a_inc(volatile int *p)
+{
+ a_fetch_add(p, 1);
+}
+#endif
+
+#ifndef a_dec
+#define a_dec a_dec
+static inline void a_dec(volatile int *p)
+{
+ a_fetch_add(p, -1);
+}
+#endif
+
+#ifndef a_store
+#define a_store a_store
+static inline void a_store(volatile int *p, int v)
+{
+#ifdef a_barrier
+ a_barrier();
+ *p = v;
+ a_barrier();
+#else
+ a_swap(p, v);
+#endif
+}
+#endif
+
+#ifndef a_barrier
+#define a_barrier a_barrier
+static void a_barrier()
+{
+ volatile int tmp = 0;
+ a_cas(&tmp, 0, 0);
+}
+#endif
+
+#ifndef a_spin
+#define a_spin a_barrier
+#endif
+
+#ifndef a_and_64
+#define a_and_64 a_and_64
+static inline void a_and_64(volatile uint64_t *p, uint64_t v)
+{
+ union { uint64_t v; uint32_t r[2]; } u = { v };
+ if (u.r[0]+1) a_and((int *)p, u.r[0]);
+ if (u.r[1]+1) a_and((int *)p+1, u.r[1]);
+}
+#endif
+
+#ifndef a_or_64
+#define a_or_64 a_or_64
+static inline void a_or_64(volatile uint64_t *p, uint64_t v)
+{
+ union { uint64_t v; uint32_t r[2]; } u = { v };
+ if (u.r[0]) a_or((int *)p, u.r[0]);
+ if (u.r[1]) a_or((int *)p+1, u.r[1]);
+}
+#endif
+
+#ifndef a_cas_p
+#define a_cas_p a_cas_p
+static inline void *a_cas_p(volatile void *p, void *t, void *s)
+{
+ return (void *)a_cas((volatile int *)p, (int)t, (int)s);
+}
+#endif
+
+#ifndef a_or_l
+#define a_or_l a_or_l
+static inline void a_or_l(volatile void *p, long v)
+{
+ if (sizeof(long) == sizeof(int)) a_or(p, v);
+ else a_or_64(p, v);
+}
+#endif
+
+#ifndef a_crash
+#define a_crash a_crash
+static inline void a_crash()
+{
+ *(volatile char *)0=0;
+}
+#endif
+
+#ifndef a_ctz_64
+#define a_ctz_64 a_ctz_64
+static inline int a_ctz_64(uint64_t x)
+{
+ static const char debruijn64[64] = {
+ 0, 1, 2, 53, 3, 7, 54, 27, 4, 38, 41, 8, 34, 55, 48, 28,
+ 62, 5, 39, 46, 44, 42, 22, 9, 24, 35, 59, 56, 49, 18, 29, 11,
+ 63, 52, 6, 26, 37, 40, 33, 47, 61, 45, 43, 21, 23, 58, 17, 10,
+ 51, 25, 36, 32, 60, 20, 57, 16, 50, 31, 19, 15, 30, 14, 13, 12
+ };
+ static const char debruijn32[32] = {
+ 0, 1, 23, 2, 29, 24, 19, 3, 30, 27, 25, 11, 20, 8, 4, 13,
+ 31, 22, 28, 18, 26, 10, 7, 12, 21, 17, 9, 6, 16, 5, 15, 14
+ };
+ if (sizeof(long) < 8) {
+ uint32_t y = x;
+ if (!y) {
+ y = x>>32;
+ return 32 + debruijn32[(y&-y)*0x076be629 >> 27];
+ }
+ return debruijn32[(y&-y)*0x076be629 >> 27];
+ }
+ return debruijn64[(x&-x)*0x022fdd63cc95386dull >> 58];
+}
+#endif
+
+#ifndef a_ctz_l
+#define a_ctz_l a_ctz_l
+static inline int a_ctz_l(unsigned long x)
+{
+ static const char debruijn32[32] = {
+ 0, 1, 23, 2, 29, 24, 19, 3, 30, 27, 25, 11, 20, 8, 4, 13,
+ 31, 22, 28, 18, 26, 10, 7, 12, 21, 17, 9, 6, 16, 5, 15, 14
+ };
+ if (sizeof(long) == 8) return a_ctz_64(x);
+ return debruijn32[(x&-x)*0x076be629 >> 27];
+}
+#endif
+
+#endif
--- a/src/internal/dynlink.h
+++ b/src/internal/dynlink.h
@@ -64,6 +64,10 @@ struct fdpic_dummy_loadmap {
#define DL_FDPIC 0
#endif
+#ifndef DL_NOMMU_SUPPORT
+#define DL_NOMMU_SUPPORT 0
+#endif
+
#if !DL_FDPIC
#define IS_RELATIVE(x,s) ( \
(R_TYPE(x) == REL_RELATIVE) || \
--- a/src/internal/libc.h
+++ b/src/internal/libc.h
@@ -11,13 +11,20 @@ struct __locale_struct {
const struct __locale_map *volatile cat[6];
};
+struct tls_module {
+ struct tls_module *next;
+ void *image;
+ size_t len, size, align, offset;
+};
+
struct __libc {
int can_do_threads;
int threaded;
int secure;
volatile int threads_minus_1;
size_t *auxv;
- size_t tls_size;
+ struct tls_module *tls_head;
+ size_t tls_size, tls_align, tls_cnt;
size_t page_size;
struct __locale_struct global_locale;
};
--- /dev/null
+++ b/src/internal/sh/__shcall.c
@@ -0,0 +1,5 @@
+__attribute__((__visibility__("hidden")))
+int __shcall(void *arg, int (*func)(void *))
+{
+ return func(arg);
+}
--- a/src/internal/syscall.h
+++ b/src/internal/syscall.h
@@ -17,9 +17,7 @@
typedef long syscall_arg_t;
#endif
-#ifdef SHARED
__attribute__((visibility("hidden")))
-#endif
long __syscall_ret(unsigned long), __syscall(syscall_arg_t, ...),
__syscall_cp(syscall_arg_t, syscall_arg_t, syscall_arg_t, syscall_arg_t,
syscall_arg_t, syscall_arg_t, syscall_arg_t);
@@ -65,7 +63,7 @@ long __syscall_ret(unsigned long), __sys
#define __syscall_cp(...) __SYSCALL_DISP(__syscall_cp,__VA_ARGS__)
#define syscall_cp(...) __syscall_ret(__syscall_cp(__VA_ARGS__))
-#ifdef SYS_socket
+#ifndef SYSCALL_USE_SOCKETCALL
#define __socketcall(nm,a,b,c,d,e,f) syscall(SYS_##nm, a, b, c, d, e, f)
#define __socketcall_cp(nm,a,b,c,d,e,f) syscall_cp(SYS_##nm, a, b, c, d, e, f)
#else
--- a/src/internal/version.c
+++ b/src/internal/version.c
@@ -1,12 +1,9 @@
-#ifdef SHARED
-
#include "version.h"
static const char version[] = VERSION;
+__attribute__((__visibility__("hidden")))
const char *__libc_get_version()
{
return version;
}
-
-#endif
--- a/src/internal/vis.h
+++ b/src/internal/vis.h
@@ -4,10 +4,9 @@
* override default visibilities to reduce the size and performance costs
* of position-independent code. */
-#ifndef CRT
-#ifdef SHARED
+#if !defined(CRT) && !defined(__ASSEMBLER__)
-/* For shared libc.so, all symbols should be protected, but some toolchains
+/* Conceptually, all symbols should be protected, but some toolchains
* fail to support copy relocations for protected data, so exclude all
* exported data symbols. */
@@ -25,16 +24,4 @@ extern char *optarg, **environ, **__envi
#pragma GCC visibility push(protected)
-#elif defined(__PIC__)
-
-/* If building static libc.a as position-independent code, try to make
- * everything hidden except possibly-undefined weak references. */
-
-__attribute__((__visibility__("default")))
-extern void (*const __init_array_start)(), (*const __init_array_end)(),
- (*const __fini_array_start)(), (*const __fini_array_end)();
-
-#pragma GCC visibility push(hidden)
-
-#endif
#endif
--- /dev/null
+++ b/src/ldso/__dlsym.c
@@ -0,0 +1,13 @@
+#include <dlfcn.h>
+#include "libc.h"
+
+__attribute__((__visibility__("hidden")))
+void __dl_seterr(const char *, ...);
+
+static void *stub_dlsym(void *restrict p, const char *restrict s, void *restrict ra)
+{
+ __dl_seterr("Symbol not found: %s", s);
+ return 0;
+}
+
+weak_alias(stub_dlsym, __dlsym);
--- a/src/ldso/arm/dlsym.s
+++ b/src/ldso/arm/dlsym.s
@@ -1,3 +1,4 @@
+.syntax unified
.text
.global dlsym
.hidden __dlsym
--- /dev/null
+++ b/src/ldso/arm/find_exidx.c
@@ -0,0 +1,42 @@
+#define _GNU_SOURCE
+#include <link.h>
+#include <stdint.h>
+
+struct find_exidx_data {
+ uintptr_t pc, exidx_start;
+ int exidx_len;
+};
+
+static int find_exidx(struct dl_phdr_info *info, size_t size, void *ptr)
+{
+ struct find_exidx_data *data = ptr;
+ const ElfW(Phdr) *phdr = info->dlpi_phdr;
+ uintptr_t addr, exidx_start = 0;
+ int i, match = 0, exidx_len = 0;
+
+ for (i = info->dlpi_phnum; i > 0; i--, phdr++) {
+ addr = info->dlpi_addr + phdr->p_vaddr;
+ switch (phdr->p_type) {
+ case PT_LOAD:
+ match |= data->pc >= addr && data->pc < addr + phdr->p_memsz;
+ break;
+ case PT_ARM_EXIDX:
+ exidx_start = addr;
+ exidx_len = phdr->p_memsz;
+ break;
+ }
+ }
+ data->exidx_start = exidx_start;
+ data->exidx_len = exidx_len;
+ return match;
+}
+
+uintptr_t __gnu_Unwind_Find_exidx(uintptr_t pc, int *pcount)
+{
+ struct find_exidx_data data;
+ data.pc = pc;
+ if (dl_iterate_phdr(find_exidx, &data) <= 0)
+ return 0;
+ *pcount = data.exidx_len / 8;
+ return data.exidx_start;
+}
--- a/src/ldso/dl_iterate_phdr.c
+++ b/src/ldso/dl_iterate_phdr.c
@@ -1,12 +1,10 @@
-#ifndef SHARED
-
#include <elf.h>
#include <link.h>
#include "libc.h"
#define AUX_CNT 38
-int dl_iterate_phdr(int(*callback)(struct dl_phdr_info *info, size_t size, void *data), void *data)
+static int static_dl_iterate_phdr(int(*callback)(struct dl_phdr_info *info, size_t size, void *data), void *data)
{
unsigned char *p;
ElfW(Phdr) *phdr, *tls_phdr=0;
@@ -40,4 +38,5 @@ int dl_iterate_phdr(int(*callback)(struc
}
return (callback)(&info, sizeof (info), data);
}
-#endif
+
+weak_alias(static_dl_iterate_phdr, dl_iterate_phdr);
--- a/src/ldso/dladdr.c
+++ b/src/ldso/dladdr.c
@@ -1,9 +1,10 @@
#define _GNU_SOURCE
#include <dlfcn.h>
+#include "libc.h"
-int __dladdr(const void *, Dl_info *);
-
-int dladdr(const void *addr, Dl_info *info)
+static int stub_dladdr(const void *addr, Dl_info *info)
{
- return __dladdr(addr, info);
+ return 0;
}
+
+weak_alias(stub_dladdr, dladdr);
--- /dev/null
+++ b/src/ldso/dlclose.c
@@ -0,0 +1,9 @@
+#include <dlfcn.h>
+
+__attribute__((__visibility__("hidden")))
+int __dl_invalid_handle(void *);
+
+int dlclose(void *p)
+{
+ return __dl_invalid_handle(p);
+}
--- /dev/null
+++ b/src/ldso/dlerror.c
@@ -0,0 +1,64 @@
+#include <dlfcn.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include "pthread_impl.h"
+#include "libc.h"
+
+char *dlerror()
+{
+ pthread_t self = __pthread_self();
+ if (!self->dlerror_flag) return 0;
+ self->dlerror_flag = 0;
+ char *s = self->dlerror_buf;
+ if (s == (void *)-1)
+ return "Dynamic linker failed to allocate memory for error message";
+ else
+ return s;
+}
+
+void __dl_thread_cleanup(void)
+{
+ pthread_t self = __pthread_self();
+ if (self->dlerror_buf != (void *)-1)
+ free(self->dlerror_buf);
+}
+
+__attribute__((__visibility__("hidden")))
+void __dl_vseterr(const char *fmt, va_list ap)
+{
+ va_list ap2;
+ va_copy(ap2, ap);
+ pthread_t self = __pthread_self();
+ if (self->dlerror_buf != (void *)-1)
+ free(self->dlerror_buf);
+ size_t len = vsnprintf(0, 0, fmt, ap2);
+ va_end(ap2);
+ char *buf = malloc(len+1);
+ if (buf) {
+ vsnprintf(buf, len+1, fmt, ap);
+ } else {
+ buf = (void *)-1;
+ }
+ self->dlerror_buf = buf;
+ self->dlerror_flag = 1;
+}
+
+__attribute__((__visibility__("hidden")))
+void __dl_seterr(const char *fmt, ...)
+{
+ va_list ap;
+ va_start(ap, fmt);
+ __dl_vseterr(fmt, ap);
+ va_end(ap);
+}
+
+__attribute__((__visibility__("hidden")))
+int __dl_invalid_handle(void *);
+
+static int stub_invalid_handle(void *h)
+{
+ __dl_seterr("Invalid library handle %p", (void *)h);
+ return 1;
+}
+
+weak_alias(stub_invalid_handle, __dl_invalid_handle);
--- a/src/ldso/dlinfo.c
+++ b/src/ldso/dlinfo.c
@@ -1,9 +1,19 @@
#define _GNU_SOURCE
#include <dlfcn.h>
-int __dlinfo(void *, int, void *);
+__attribute__((__visibility__("hidden")))
+int __dl_invalid_handle(void *);
+
+__attribute__((__visibility__("hidden")))
+void __dl_seterr(const char *, ...);
int dlinfo(void *dso, int req, void *res)
{
- return __dlinfo(dso, req, res);
+ if (__dl_invalid_handle(dso)) return -1;
+ if (req != RTLD_DI_LINKMAP) {
+ __dl_seterr("Unsupported request %d", req);
+ return -1;
+ }
+ *(struct link_map **)res = dso;
+ return 0;
}
--- /dev/null
+++ b/src/ldso/dlopen.c
@@ -0,0 +1,13 @@
+#include <dlfcn.h>
+#include "libc.h"
+
+__attribute__((__visibility__("hidden")))
+void __dl_seterr(const char *, ...);
+
+static void *stub_dlopen(const char *file, int mode)
+{
+ __dl_seterr("Dynamic loading not supported");
+ return 0;
+}
+
+weak_alias(stub_dlopen, dlopen);
--- a/src/ldso/dlstart.c
+++ /dev/null
@@ -1,150 +0,0 @@
-#include <stddef.h>
-#include "dynlink.h"
-
-#ifdef SHARED
-
-#ifndef START
-#define START "_dlstart"
-#endif
-
-#include "crt_arch.h"
-
-#ifndef GETFUNCSYM
-#define GETFUNCSYM(fp, sym, got) do { \
- __attribute__((__visibility__("hidden"))) void sym(); \
- static void (*static_func_ptr)() = sym; \
- __asm__ __volatile__ ( "" : "+m"(static_func_ptr) : : "memory"); \
- *(fp) = static_func_ptr; } while(0)
-#endif
-
-__attribute__((__visibility__("hidden")))
-void _dlstart_c(size_t *sp, size_t *dynv)
-{
- size_t i, aux[AUX_CNT], dyn[DYN_CNT];
- size_t *rel, rel_size, base;
-
- int argc = *sp;
- char **argv = (void *)(sp+1);
-
- for (i=argc+1; argv[i]; i++);
- size_t *auxv = (void *)(argv+i+1);
-
- for (i=0; i<AUX_CNT; i++) aux[i] = 0;
- for (i=0; auxv[i]; i+=2) if (auxv[i]<AUX_CNT)
- aux[auxv[i]] = auxv[i+1];
-
-#if DL_FDPIC
- struct fdpic_loadseg *segs, fakeseg;
- size_t j;
- if (dynv) {
- /* crt_arch.h entry point asm is responsible for reserving
- * space and moving the extra fdpic arguments to the stack
- * vector where they are easily accessible from C. */
- segs = ((struct fdpic_loadmap *)(sp[-1] ? sp[-1] : sp[-2]))->segs;
- } else {
- /* If dynv is null, the entry point was started from loader
- * that is not fdpic-aware. We can assume normal fixed-
- * displacement ELF loading was performed, but when ldso was
- * run as a command, finding the Ehdr is a heursitic: we
- * have to assume Phdrs start in the first 4k of the file. */
- base = aux[AT_BASE];
- if (!base) base = aux[AT_PHDR] & -4096;
- segs = &fakeseg;
- segs[0].addr = base;
- segs[0].p_vaddr = 0;
- segs[0].p_memsz = -1;
- Ehdr *eh = (void *)base;
- Phdr *ph = (void *)(base + eh->e_phoff);
- size_t phnum = eh->e_phnum;
- size_t phent = eh->e_phentsize;
- while (phnum-- && ph->p_type != PT_DYNAMIC)
- ph = (void *)((size_t)ph + phent);
- dynv = (void *)(base + ph->p_vaddr);
- }
-#endif
-
- for (i=0; i<DYN_CNT; i++) dyn[i] = 0;
- for (i=0; dynv[i]; i+=2) if (dynv[i]<DYN_CNT)
- dyn[dynv[i]] = dynv[i+1];
-
-#if DL_FDPIC
- for (i=0; i<DYN_CNT; i++) {
- if (i==DT_RELASZ || i==DT_RELSZ) continue;
- if (!dyn[i]) continue;
- for (j=0; dyn[i]-segs[j].p_vaddr >= segs[j].p_memsz; j++);
- dyn[i] += segs[j].addr - segs[j].p_vaddr;
- }
- base = 0;
-
- const Sym *syms = (void *)dyn[DT_SYMTAB];
-
- rel = (void *)dyn[DT_RELA];
- rel_size = dyn[DT_RELASZ];
- for (; rel_size; rel+=3, rel_size-=3*sizeof(size_t)) {
- if (!IS_RELATIVE(rel[1], syms)) continue;
- for (j=0; rel[0]-segs[j].p_vaddr >= segs[j].p_memsz; j++);
- size_t *rel_addr = (void *)
- (rel[0] + segs[j].addr - segs[j].p_vaddr);
- if (R_TYPE(rel[1]) == REL_FUNCDESC_VAL) {
- *rel_addr += segs[rel_addr[1]].addr
- - segs[rel_addr[1]].p_vaddr
- + syms[R_SYM(rel[1])].st_value;
- rel_addr[1] = dyn[DT_PLTGOT];
- } else {
- size_t val = syms[R_SYM(rel[1])].st_value;
- for (j=0; val-segs[j].p_vaddr >= segs[j].p_memsz; j++);
- *rel_addr = rel[2] + segs[j].addr - segs[j].p_vaddr + val;
- }
- }
-#else
- /* If the dynamic linker is invoked as a command, its load
- * address is not available in the aux vector. Instead, compute
- * the load address as the difference between &_DYNAMIC and the
- * virtual address in the PT_DYNAMIC program header. */
- base = aux[AT_BASE];
- if (!base) {
- size_t phnum = aux[AT_PHNUM];
- size_t phentsize = aux[AT_PHENT];
- Phdr *ph = (void *)aux[AT_PHDR];
- for (i=phnum; i--; ph = (void *)((char *)ph + phentsize)) {
- if (ph->p_type == PT_DYNAMIC) {
- base = (size_t)dynv - ph->p_vaddr;
- break;
- }
- }
- }
-
- /* MIPS uses an ugly packed form for GOT relocations. Since we
- * can't make function calls yet and the code is tiny anyway,
- * it's simply inlined here. */
- if (NEED_MIPS_GOT_RELOCS) {
- size_t local_cnt = 0;
- size_t *got = (void *)(base + dyn[DT_PLTGOT]);
- for (i=0; dynv[i]; i+=2) if (dynv[i]==DT_MIPS_LOCAL_GOTNO)
- local_cnt = dynv[i+1];
- for (i=0; i<local_cnt; i++) got[i] += base;
- }
-
- rel = (void *)(base+dyn[DT_REL]);
- rel_size = dyn[DT_RELSZ];
- for (; rel_size; rel+=2, rel_size-=2*sizeof(size_t)) {
- if (!IS_RELATIVE(rel[1], 0)) continue;
- size_t *rel_addr = (void *)(base + rel[0]);
- *rel_addr += base;
- }
-
- rel = (void *)(base+dyn[DT_RELA]);
- rel_size = dyn[DT_RELASZ];
- for (; rel_size; rel+=3, rel_size-=3*sizeof(size_t)) {
- if (!IS_RELATIVE(rel[1], 0)) continue;
- size_t *rel_addr = (void *)(base + rel[0]);
- *rel_addr = base + rel[2];
- }
-#endif
-
- stage2_func dls2;
- GETFUNCSYM(&dls2, __dls2, base+dyn[DT_PLTGOT]);
- dls2((void *)base, sp);
-}
-
-#endif
--- a/src/ldso/dynlink.c
+++ /dev/null
@@ -1,2000 +0,0 @@
-#define _GNU_SOURCE
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdarg.h>
-#include <stddef.h>
-#include <string.h>
-#include <unistd.h>
-#include <stdint.h>
-#include <elf.h>
-#include <sys/mman.h>
-#include <limits.h>
-#include <fcntl.h>
-#include <sys/stat.h>
-#include <errno.h>
-#include <link.h>
-#include <setjmp.h>
-#include <pthread.h>
-#include <ctype.h>
-#include <dlfcn.h>
-#include "pthread_impl.h"
-#include "libc.h"
-#include "dynlink.h"
-
-static void error(const char *, ...);
-
-#ifdef SHARED
-
-#define MAXP2(a,b) (-(-(a)&-(b)))
-#define ALIGN(x,y) ((x)+(y)-1 & -(y))
-
-struct debug {
- int ver;
- void *head;
- void (*bp)(void);
- int state;
- void *base;
-};
-
-struct td_index {
- size_t args[2];
- struct td_index *next;
-};
-
-struct dso {
-#if DL_FDPIC
- struct fdpic_loadmap *loadmap;
-#else
- unsigned char *base;
-#endif
- char *name;
- size_t *dynv;
- struct dso *next, *prev;
-
- Phdr *phdr;
- int phnum;
- size_t phentsize;
- int refcnt;
- Sym *syms;
- uint32_t *hashtab;
- uint32_t *ghashtab;
- int16_t *versym;
- char *strings;
- unsigned char *map;
- size_t map_len;
- dev_t dev;
- ino_t ino;
- signed char global;
- char relocated;
- char constructed;
- char kernel_mapped;
- struct dso **deps, *needed_by;
- char *rpath_orig, *rpath;
- void *tls_image;
- size_t tls_len, tls_size, tls_align, tls_id, tls_offset;
- size_t relro_start, relro_end;
- void **new_dtv;
- unsigned char *new_tls;
- volatile int new_dtv_idx, new_tls_idx;
- struct td_index *td_index;
- struct dso *fini_next;
- char *shortname;
-#if DL_FDPIC
- unsigned char *base;
-#else
- struct fdpic_loadmap *loadmap;
-#endif
- struct funcdesc {
- void *addr;
- size_t *got;
- } *funcdescs;
- size_t *got;
- char buf[];
-};
-
-struct symdef {
- Sym *sym;
- struct dso *dso;
-};
-
-int __init_tp(void *);
-void __init_libc(char **, char *);
-
-const char *__libc_get_version(void);
-
-static struct builtin_tls {
- char c;
- struct pthread pt;
- void *space[16];
-} builtin_tls[1];
-#define MIN_TLS_ALIGN offsetof(struct builtin_tls, pt)
-
-#define ADDEND_LIMIT 4096
-static size_t *saved_addends, *apply_addends_to;
-
-static struct dso ldso;
-static struct dso *head, *tail, *fini_head;
-static char *env_path, *sys_path;
-static unsigned long long gencnt;
-static int runtime;
-static int ldd_mode;
-static int ldso_fail;
-static int noload;
-static jmp_buf *rtld_fail;
-static pthread_rwlock_t lock;
-static struct debug debug;
-static size_t tls_cnt, tls_offset, tls_align = MIN_TLS_ALIGN;
-static size_t static_tls_cnt;
-static pthread_mutex_t init_fini_lock = { ._m_type = PTHREAD_MUTEX_RECURSIVE };
-static struct fdpic_loadmap *app_loadmap;
-static struct fdpic_dummy_loadmap app_dummy_loadmap;
-
-struct debug *_dl_debug_addr = &debug;
-
-static int dl_strcmp(const char *l, const char *r)
-{
- for (; *l==*r && *l; l++, r++);
- return *(unsigned char *)l - *(unsigned char *)r;
-}
-#define strcmp(l,r) dl_strcmp(l,r)
-
-/* Compute load address for a virtual address in a given dso. */
-#if DL_FDPIC
-static void *laddr(const struct dso *p, size_t v)
-{
- size_t j=0;
- if (!p->loadmap) return p->base + v;
- for (j=0; v-p->loadmap->segs[j].p_vaddr >= p->loadmap->segs[j].p_memsz; j++);
- return (void *)(v - p->loadmap->segs[j].p_vaddr + p->loadmap->segs[j].addr);
-}
-#define fpaddr(p, v) ((void (*)())&(struct funcdesc){ \
- laddr(p, v), (p)->got })
-#else
-#define laddr(p, v) (void *)((p)->base + (v))
-#define fpaddr(p, v) ((void (*)())laddr(p, v))
-#endif
-
-static void decode_vec(size_t *v, size_t *a, size_t cnt)
-{
- size_t i;
- for (i=0; i<cnt; i++) a[i] = 0;
- for (; v[0]; v+=2) if (v[0]-1<cnt-1) {
- a[0] |= 1UL<<v[0];
- a[v[0]] = v[1];
- }
-}
-
-static int search_vec(size_t *v, size_t *r, size_t key)
-{
- for (; v[0]!=key; v+=2)
- if (!v[0]) return 0;
- *r = v[1];
- return 1;
-}
-
-static uint32_t sysv_hash(const char *s0)
-{
- const unsigned char *s = (void *)s0;
- uint_fast32_t h = 0;
- while (*s) {
- h = 16*h + *s++;
- h ^= h>>24 & 0xf0;
- }
- return h & 0xfffffff;
-}
-
-static uint32_t gnu_hash(const char *s0)
-{
- const unsigned char *s = (void *)s0;
- uint_fast32_t h = 5381;
- for (; *s; s++)
- h += h*32 + *s;
- return h;
-}
-
-static Sym *sysv_lookup(const char *s, uint32_t h, struct dso *dso)
-{
- size_t i;
- Sym *syms = dso->syms;
- uint32_t *hashtab = dso->hashtab;
- char *strings = dso->strings;
- for (i=hashtab[2+h%hashtab[0]]; i; i=hashtab[2+hashtab[0]+i]) {
- if ((!dso->versym || dso->versym[i] >= 0)
- && (!strcmp(s, strings+syms[i].st_name)))
- return syms+i;
- }
- return 0;
-}
-
-static Sym *gnu_lookup(uint32_t h1, uint32_t *hashtab, struct dso *dso, const char *s)
-{
- uint32_t nbuckets = hashtab[0];
- uint32_t *buckets = hashtab + 4 + hashtab[2]*(sizeof(size_t)/4);
- uint32_t i = buckets[h1 % nbuckets];
-
- if (!i) return 0;
-
- uint32_t *hashval = buckets + nbuckets + (i - hashtab[1]);
-
- for (h1 |= 1; ; i++) {
- uint32_t h2 = *hashval++;
- if ((h1 == (h2|1)) && (!dso->versym || dso->versym[i] >= 0)
- && !strcmp(s, dso->strings + dso->syms[i].st_name))
- return dso->syms+i;
- if (h2 & 1) break;
- }
-
- return 0;
-}
-
-static Sym *gnu_lookup_filtered(uint32_t h1, uint32_t *hashtab, struct dso *dso, const char *s, uint32_t fofs, size_t fmask)
-{
- const size_t *bloomwords = (const void *)(hashtab+4);
- size_t f = bloomwords[fofs & (hashtab[2]-1)];
- if (!(f & fmask)) return 0;
-
- f >>= (h1 >> hashtab[3]) % (8 * sizeof f);
- if (!(f & 1)) return 0;
-
- return gnu_lookup(h1, hashtab, dso, s);
-}
-
-#define OK_TYPES (1<<STT_NOTYPE | 1<<STT_OBJECT | 1<<STT_FUNC | 1<<STT_COMMON | 1<<STT_TLS)
-#define OK_BINDS (1<<STB_GLOBAL | 1<<STB_WEAK | 1<<STB_GNU_UNIQUE)
-
-#ifndef ARCH_SYM_REJECT_UND
-#define ARCH_SYM_REJECT_UND(s) 0
-#endif
-
-static struct symdef find_sym(struct dso *dso, const char *s, int need_def)
-{
- uint32_t h = 0, gh, gho, *ght;
- size_t ghm = 0;
- struct symdef def = {0};
- for (; dso; dso=dso->next) {
- Sym *sym;
- if (!dso->global) continue;
- if ((ght = dso->ghashtab)) {
- if (!ghm) {
- gh = gnu_hash(s);
- int maskbits = 8 * sizeof ghm;
- gho = gh / maskbits;
- ghm = 1ul << gh % maskbits;
- }
- sym = gnu_lookup_filtered(gh, ght, dso, s, gho, ghm);
- } else {
- if (!h) h = sysv_hash(s);
- sym = sysv_lookup(s, h, dso);
- }
- if (!sym) continue;
- if (!sym->st_shndx)
- if (need_def || (sym->st_info&0xf) == STT_TLS
- || ARCH_SYM_REJECT_UND(sym))
- continue;
- if (!sym->st_value)
- if ((sym->st_info&0xf) != STT_TLS)
- continue;
- if (!(1<<(sym->st_info&0xf) & OK_TYPES)) continue;
- if (!(1<<(sym->st_info>>4) & OK_BINDS)) continue;
-
- if (def.sym && sym->st_info>>4 == STB_WEAK) continue;
- def.sym = sym;
- def.dso = dso;
- if (sym->st_info>>4 == STB_GLOBAL) break;
- }
- return def;
-}
-
-__attribute__((__visibility__("hidden")))
-ptrdiff_t __tlsdesc_static(), __tlsdesc_dynamic();
-
-static void do_relocs(struct dso *dso, size_t *rel, size_t rel_size, size_t stride)
-{
- unsigned char *base = dso->base;
- Sym *syms = dso->syms;
- char *strings = dso->strings;
- Sym *sym;
- const char *name;
- void *ctx;
- int type;
- int sym_index;
- struct symdef def;
- size_t *reloc_addr;
- size_t sym_val;
- size_t tls_val;
- size_t addend;
- int skip_relative = 0, reuse_addends = 0, save_slot = 0;
-
- if (dso == &ldso) {
- /* Only ldso's REL table needs addend saving/reuse. */
- if (rel == apply_addends_to)
- reuse_addends = 1;
- skip_relative = 1;
- }
-
- for (; rel_size; rel+=stride, rel_size-=stride*sizeof(size_t)) {
- if (skip_relative && IS_RELATIVE(rel[1], dso->syms)) continue;
- type = R_TYPE(rel[1]);
- if (type == REL_NONE) continue;
- sym_index = R_SYM(rel[1]);
- reloc_addr = laddr(dso, rel[0]);
- if (sym_index) {
- sym = syms + sym_index;
- name = strings + sym->st_name;
- ctx = type==REL_COPY ? head->next : head;
- def = (sym->st_info&0xf) == STT_SECTION
- ? (struct symdef){ .dso = dso, .sym = sym }
- : find_sym(ctx, name, type==REL_PLT);
- if (!def.sym && (sym->st_shndx != SHN_UNDEF
- || sym->st_info>>4 != STB_WEAK)) {
- error("Error relocating %s: %s: symbol not found",
- dso->name, name);
- if (runtime) longjmp(*rtld_fail, 1);
- continue;
- }
- } else {
- sym = 0;
- def.sym = 0;
- def.dso = dso;
- }
-
- if (stride > 2) {
- addend = rel[2];
- } else if (type==REL_GOT || type==REL_PLT|| type==REL_COPY) {
- addend = 0;
- } else if (reuse_addends) {
- /* Save original addend in stage 2 where the dso
- * chain consists of just ldso; otherwise read back
- * saved addend since the inline one was clobbered. */
- if (head==&ldso)
- saved_addends[save_slot] = *reloc_addr;
- addend = saved_addends[save_slot++];
- } else {
- addend = *reloc_addr;
- }
-
- sym_val = def.sym ? (size_t)laddr(def.dso, def.sym->st_value) : 0;
- tls_val = def.sym ? def.sym->st_value : 0;
-
- switch(type) {
- case REL_NONE:
- break;
- case REL_OFFSET:
- addend -= (size_t)reloc_addr;
- case REL_SYMBOLIC:
- case REL_GOT:
- case REL_PLT:
- *reloc_addr = sym_val + addend;
- break;
- case REL_RELATIVE:
- *reloc_addr = (size_t)base + addend;
- break;
- case REL_SYM_OR_REL:
- if (sym) *reloc_addr = sym_val + addend;
- else *reloc_addr = (size_t)base + addend;
- break;
- case REL_COPY:
- memcpy(reloc_addr, (void *)sym_val, sym->st_size);
- break;
- case REL_OFFSET32:
- *(uint32_t *)reloc_addr = sym_val + addend
- - (size_t)reloc_addr;
- break;
- case REL_FUNCDESC:
- *reloc_addr = def.sym ? (size_t)(def.dso->funcdescs
- + (def.sym - def.dso->syms)) : 0;
- break;
- case REL_FUNCDESC_VAL:
- if ((sym->st_info&0xf) == STT_SECTION) *reloc_addr += sym_val;
- else *reloc_addr = sym_val;
- reloc_addr[1] = def.sym ? (size_t)def.dso->got : 0;
- break;
- case REL_DTPMOD:
- *reloc_addr = def.dso->tls_id;
- break;
- case REL_DTPOFF:
- *reloc_addr = tls_val + addend - DTP_OFFSET;
- break;
-#ifdef TLS_ABOVE_TP
- case REL_TPOFF:
- *reloc_addr = tls_val + def.dso->tls_offset + TPOFF_K + addend;
- break;
-#else
- case REL_TPOFF:
- *reloc_addr = tls_val - def.dso->tls_offset + addend;
- break;
- case REL_TPOFF_NEG:
- *reloc_addr = def.dso->tls_offset - tls_val + addend;
- break;
-#endif
- case REL_TLSDESC:
- if (stride<3) addend = reloc_addr[1];
- if (runtime && def.dso->tls_id >= static_tls_cnt) {
- struct td_index *new = malloc(sizeof *new);
- if (!new) {
- error(
- "Error relocating %s: cannot allocate TLSDESC for %s",
- dso->name, sym ? name : "(local)" );
- longjmp(*rtld_fail, 1);
- }
- new->next = dso->td_index;
- dso->td_index = new;
- new->args[0] = def.dso->tls_id;
- new->args[1] = tls_val + addend;
- reloc_addr[0] = (size_t)__tlsdesc_dynamic;
- reloc_addr[1] = (size_t)new;
- } else {
- reloc_addr[0] = (size_t)__tlsdesc_static;
-#ifdef TLS_ABOVE_TP
- reloc_addr[1] = tls_val + def.dso->tls_offset
- + TPOFF_K + addend;
-#else
- reloc_addr[1] = tls_val - def.dso->tls_offset
- + addend;
-#endif
- }
- break;
- default:
- error("Error relocating %s: unsupported relocation type %d",
- dso->name, type);
- if (runtime) longjmp(*rtld_fail, 1);
- continue;
- }
- }
-}
-
-/* A huge hack: to make up for the wastefulness of shared libraries
- * needing at least a page of dirty memory even if they have no global
- * data, we reclaim the gaps at the beginning and end of writable maps
- * and "donate" them to the heap by setting up minimal malloc
- * structures and then freeing them. */
-
-static void reclaim(struct dso *dso, size_t start, size_t end)
-{
- size_t *a, *z;
- if (start >= dso->relro_start && start < dso->relro_end) start = dso->relro_end;
- if (end >= dso->relro_start && end < dso->relro_end) end = dso->relro_start;
- start = start + 6*sizeof(size_t)-1 & -4*sizeof(size_t);
- end = (end & -4*sizeof(size_t)) - 2*sizeof(size_t);
- if (start>end || end-start < 4*sizeof(size_t)) return;
- a = laddr(dso, start);
- z = laddr(dso, end);
- a[-2] = 1;
- a[-1] = z[0] = end-start + 2*sizeof(size_t) | 1;
- z[1] = 1;
- free(a);
-}
-
-static void reclaim_gaps(struct dso *dso)
-{
- Phdr *ph = dso->phdr;
- size_t phcnt = dso->phnum;
-
- if (DL_FDPIC) return; // FIXME
- for (; phcnt--; ph=(void *)((char *)ph+dso->phentsize)) {
- if (ph->p_type!=PT_LOAD) continue;
- if ((ph->p_flags&(PF_R|PF_W))!=(PF_R|PF_W)) continue;
- reclaim(dso, ph->p_vaddr & -PAGE_SIZE, ph->p_vaddr);
- reclaim(dso, ph->p_vaddr+ph->p_memsz,
- ph->p_vaddr+ph->p_memsz+PAGE_SIZE-1 & -PAGE_SIZE);
- }
-}
-
-static void *mmap_fixed(void *p, size_t n, int prot, int flags, int fd, off_t off)
-{
- char *q = mmap(p, n, prot, flags, fd, off);
- if (q != MAP_FAILED || errno != EINVAL) return q;
- /* Fallbacks for MAP_FIXED failure on NOMMU kernels. */
- if (flags & MAP_ANONYMOUS) {
- memset(p, 0, n);
- return p;
- }
- ssize_t r;
- if (lseek(fd, off, SEEK_SET) < 0) return MAP_FAILED;
- for (q=p; n; q+=r, off+=r, n-=r) {
- r = read(fd, q, n);
- if (r < 0 && errno != EINTR) return MAP_FAILED;
- if (!r) {
- memset(q, 0, n);
- break;
- }
- }
- return p;
-}
-
-static void unmap_library(struct dso *dso)
-{
- if (dso->loadmap) {
- size_t i;
- for (i=0; i<dso->loadmap->nsegs; i++) {
- if (!dso->loadmap->segs[i].p_memsz)
- continue;
- munmap((void *)dso->loadmap->segs[i].addr,
- dso->loadmap->segs[i].p_memsz);
- }
- free(dso->loadmap);
- } else if (dso->map && dso->map_len) {
- munmap(dso->map, dso->map_len);
- }
-}
-
-static void *map_library(int fd, struct dso *dso)
-{
- Ehdr buf[(896+sizeof(Ehdr))/sizeof(Ehdr)];
- void *allocated_buf=0;
- size_t phsize;
- size_t addr_min=SIZE_MAX, addr_max=0, map_len;
- size_t this_min, this_max;
- size_t nsegs = 0;
- off_t off_start;
- Ehdr *eh;
- Phdr *ph, *ph0;
- unsigned prot;
- unsigned char *map=MAP_FAILED, *base;
- size_t dyn=0;
- size_t tls_image=0;
- size_t i;
-
- ssize_t l = read(fd, buf, sizeof buf);
- eh = buf;
- if (l<0) return 0;
- if (l<sizeof *eh || (eh->e_type != ET_DYN && eh->e_type != ET_EXEC))
- goto noexec;
- phsize = eh->e_phentsize * eh->e_phnum;
- if (phsize > sizeof buf - sizeof *eh) {
- allocated_buf = malloc(phsize);
- if (!allocated_buf) return 0;
- l = pread(fd, allocated_buf, phsize, eh->e_phoff);
- if (l < 0) goto error;
- if (l != phsize) goto noexec;
- ph = ph0 = allocated_buf;
- } else if (eh->e_phoff + phsize > l) {
- l = pread(fd, buf+1, phsize, eh->e_phoff);
- if (l < 0) goto error;
- if (l != phsize) goto noexec;
- ph = ph0 = (void *)(buf + 1);
- } else {
- ph = ph0 = (void *)((char *)buf + eh->e_phoff);
- }
- for (i=eh->e_phnum; i; i--, ph=(void *)((char *)ph+eh->e_phentsize)) {
- if (ph->p_type == PT_DYNAMIC) {
- dyn = ph->p_vaddr;
- } else if (ph->p_type == PT_TLS) {
- tls_image = ph->p_vaddr;
- dso->tls_align = ph->p_align;
- dso->tls_len = ph->p_filesz;
- dso->tls_size = ph->p_memsz;
- } else if (ph->p_type == PT_GNU_RELRO) {
- dso->relro_start = ph->p_vaddr & -PAGE_SIZE;
- dso->relro_end = (ph->p_vaddr + ph->p_memsz) & -PAGE_SIZE;
- }
- if (ph->p_type != PT_LOAD) continue;
- nsegs++;
- if (ph->p_vaddr < addr_min) {
- addr_min = ph->p_vaddr;
- off_start = ph->p_offset;
- prot = (((ph->p_flags&PF_R) ? PROT_READ : 0) |
- ((ph->p_flags&PF_W) ? PROT_WRITE: 0) |
- ((ph->p_flags&PF_X) ? PROT_EXEC : 0));
- }
- if (ph->p_vaddr+ph->p_memsz > addr_max) {
- addr_max = ph->p_vaddr+ph->p_memsz;
- }
- }
- if (!dyn) goto noexec;
- if (DL_FDPIC && !(eh->e_flags & FDPIC_CONSTDISP_FLAG)) {
- dso->loadmap = calloc(1, sizeof *dso->loadmap
- + nsegs * sizeof *dso->loadmap->segs);
- if (!dso->loadmap) goto error;
- dso->loadmap->nsegs = nsegs;
- for (ph=ph0, i=0; i<nsegs; ph=(void *)((char *)ph+eh->e_phentsize)) {
- if (ph->p_type != PT_LOAD) continue;
- prot = (((ph->p_flags&PF_R) ? PROT_READ : 0) |
- ((ph->p_flags&PF_W) ? PROT_WRITE: 0) |
- ((ph->p_flags&PF_X) ? PROT_EXEC : 0));
- map = mmap(0, ph->p_memsz + (ph->p_vaddr & PAGE_SIZE-1),
- prot, (prot&PROT_WRITE) ? MAP_PRIVATE : MAP_SHARED,
- fd, ph->p_offset & -PAGE_SIZE);
- if (map == MAP_FAILED) {
- unmap_library(dso);
- goto error;
- }
- dso->loadmap->segs[i].addr = (size_t)map +
- (ph->p_vaddr & PAGE_SIZE-1);
- dso->loadmap->segs[i].p_vaddr = ph->p_vaddr;
- dso->loadmap->segs[i].p_memsz = ph->p_memsz;
- i++;
- }
- map = (void *)dso->loadmap->segs[0].addr;
- map_len = 0;
- goto done_mapping;
- }
- addr_max += PAGE_SIZE-1;
- addr_max &= -PAGE_SIZE;
- addr_min &= -PAGE_SIZE;
- off_start &= -PAGE_SIZE;
- map_len = addr_max - addr_min + off_start;
- /* The first time, we map too much, possibly even more than
- * the length of the file. This is okay because we will not
- * use the invalid part; we just need to reserve the right
- * amount of virtual address space to map over later. */
- map = mmap((void *)addr_min, map_len, prot, MAP_PRIVATE, fd, off_start);
- if (map==MAP_FAILED) goto error;
- dso->map = map;
- dso->map_len = map_len;
- /* If the loaded file is not relocatable and the requested address is
- * not available, then the load operation must fail. */
- if (eh->e_type != ET_DYN && addr_min && map!=(void *)addr_min) {
- errno = EBUSY;
- goto error;
- }
- base = map - addr_min;
- dso->phdr = 0;
- dso->phnum = 0;
- for (ph=ph0, i=eh->e_phnum; i; i--, ph=(void *)((char *)ph+eh->e_phentsize)) {
- if (ph->p_type != PT_LOAD) continue;
- /* Check if the programs headers are in this load segment, and
- * if so, record the address for use by dl_iterate_phdr. */
- if (!dso->phdr && eh->e_phoff >= ph->p_offset
- && eh->e_phoff+phsize <= ph->p_offset+ph->p_filesz) {
- dso->phdr = (void *)(base + ph->p_vaddr
- + (eh->e_phoff-ph->p_offset));
- dso->phnum = eh->e_phnum;
- dso->phentsize = eh->e_phentsize;
- }
- /* Reuse the existing mapping for the lowest-address LOAD */
- if ((ph->p_vaddr & -PAGE_SIZE) == addr_min) continue;
- this_min = ph->p_vaddr & -PAGE_SIZE;
- this_max = ph->p_vaddr+ph->p_memsz+PAGE_SIZE-1 & -PAGE_SIZE;
- off_start = ph->p_offset & -PAGE_SIZE;
- prot = (((ph->p_flags&PF_R) ? PROT_READ : 0) |
- ((ph->p_flags&PF_W) ? PROT_WRITE: 0) |
- ((ph->p_flags&PF_X) ? PROT_EXEC : 0));
- if (mmap_fixed(base+this_min, this_max-this_min, prot, MAP_PRIVATE|MAP_FIXED, fd, off_start) == MAP_FAILED)
- goto error;
- if (ph->p_memsz > ph->p_filesz) {
- size_t brk = (size_t)base+ph->p_vaddr+ph->p_filesz;
- size_t pgbrk = brk+PAGE_SIZE-1 & -PAGE_SIZE;
- memset((void *)brk, 0, pgbrk-brk & PAGE_SIZE-1);
- if (pgbrk-(size_t)base < this_max && mmap_fixed((void *)pgbrk, (size_t)base+this_max-pgbrk, prot, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) == MAP_FAILED)
- goto error;
- }
- }
- for (i=0; ((size_t *)(base+dyn))[i]; i+=2)
- if (((size_t *)(base+dyn))[i]==DT_TEXTREL) {
- if (mprotect(map, map_len, PROT_READ|PROT_WRITE|PROT_EXEC)
- && errno != ENOSYS)
- goto error;
- break;
- }
-done_mapping:
- dso->base = base;
- dso->dynv = laddr(dso, dyn);
- if (dso->tls_size) dso->tls_image = laddr(dso, tls_image);
- if (!runtime) reclaim_gaps(dso);
- free(allocated_buf);
- return map;
-noexec:
- errno = ENOEXEC;
-error:
- if (map!=MAP_FAILED) unmap_library(dso);
- free(allocated_buf);
- return 0;
-}
-
-static int path_open(const char *name, const char *s, char *buf, size_t buf_size)
-{
- size_t l;
- int fd;
- for (;;) {
- s += strspn(s, ":\n");
- l = strcspn(s, ":\n");
- if (l-1 >= INT_MAX) return -1;
- if (snprintf(buf, buf_size, "%.*s/%s", (int)l, s, name) < buf_size) {
- if ((fd = open(buf, O_RDONLY|O_CLOEXEC))>=0) return fd;
- switch (errno) {
- case ENOENT:
- case ENOTDIR:
- case EACCES:
- case ENAMETOOLONG:
- break;
- default:
- /* Any negative value but -1 will inhibit
- * futher path search. */
- return -2;
- }
- }
- s += l;
- }
-}
-
-static int fixup_rpath(struct dso *p, char *buf, size_t buf_size)
-{
- size_t n, l;
- const char *s, *t, *origin;
- char *d;
- if (p->rpath || !p->rpath_orig) return 0;
- if (!strchr(p->rpath_orig, '$')) {
- p->rpath = p->rpath_orig;
- return 0;
- }
- n = 0;
- s = p->rpath_orig;
- while ((t=strchr(s, '$'))) {
- if (strncmp(t, "$ORIGIN", 7) && strncmp(t, "${ORIGIN}", 9))
- return 0;
- s = t+1;
- n++;
- }
- if (n > SSIZE_MAX/PATH_MAX) return 0;
-
- if (p->kernel_mapped) {
- /* $ORIGIN searches cannot be performed for the main program
- * when it is suid/sgid/AT_SECURE. This is because the
- * pathname is under the control of the caller of execve.
- * For libraries, however, $ORIGIN can be processed safely
- * since the library's pathname came from a trusted source
- * (either system paths or a call to dlopen). */
- if (libc.secure)
- return 0;
- l = readlink("/proc/self/exe", buf, buf_size);
- if (l == -1) switch (errno) {
- case ENOENT:
- case ENOTDIR:
- case EACCES:
- break;
- default:
- return -1;
- }
- if (l >= buf_size)
- return 0;
- buf[l] = 0;
- origin = buf;
- } else {
- origin = p->name;
- }
- t = strrchr(origin, '/');
- l = t ? t-origin : 0;
- p->rpath = malloc(strlen(p->rpath_orig) + n*l + 1);
- if (!p->rpath) return -1;
-
- d = p->rpath;
- s = p->rpath_orig;
- while ((t=strchr(s, '$'))) {
- memcpy(d, s, t-s);
- d += t-s;
- memcpy(d, origin, l);
- d += l;
- /* It was determined previously that the '$' is followed
- * either by "ORIGIN" or "{ORIGIN}". */
- s = t + 7 + 2*(t[1]=='{');
- }
- strcpy(d, s);
- return 0;
-}
-
-static void decode_dyn(struct dso *p)
-{
- size_t dyn[DYN_CNT];
- decode_vec(p->dynv, dyn, DYN_CNT);
- p->syms = laddr(p, dyn[DT_SYMTAB]);
- p->strings = laddr(p, dyn[DT_STRTAB]);
- if (dyn[0]&(1<<DT_HASH))
- p->hashtab = laddr(p, dyn[DT_HASH]);
- if (dyn[0]&(1<<DT_RPATH))
- p->rpath_orig = p->strings + dyn[DT_RPATH];
- if (dyn[0]&(1<<DT_RUNPATH))
- p->rpath_orig = p->strings + dyn[DT_RUNPATH];
- if (dyn[0]&(1<<DT_PLTGOT))
- p->got = laddr(p, dyn[DT_PLTGOT]);
- if (search_vec(p->dynv, dyn, DT_GNU_HASH))
- p->ghashtab = laddr(p, *dyn);
- if (search_vec(p->dynv, dyn, DT_VERSYM))
- p->versym = laddr(p, *dyn);
-}
-
-static size_t count_syms(struct dso *p)
-{
- if (p->hashtab) return p->hashtab[1];
-
- size_t nsym, i;
- uint32_t *buckets = p->ghashtab + 4 + (p->ghashtab[2]*sizeof(size_t)/4);
- uint32_t *hashval;
- for (i = nsym = 0; i < p->ghashtab[0]; i++) {
- if (buckets[i] > nsym)
- nsym = buckets[i];
- }
- if (nsym) {
- hashval = buckets + p->ghashtab[0] + (nsym - p->ghashtab[1]);
- do nsym++;
- while (!(*hashval++ & 1));
- }
- return nsym;
-}
-
-static void *dl_mmap(size_t n)
-{
- void *p;
- int prot = PROT_READ|PROT_WRITE, flags = MAP_ANONYMOUS|MAP_PRIVATE;
-#ifdef SYS_mmap2
- p = (void *)__syscall(SYS_mmap2, 0, n, prot, flags, -1, 0);
-#else
- p = (void *)__syscall(SYS_mmap, 0, n, prot, flags, -1, 0);
-#endif
- return p == MAP_FAILED ? 0 : p;
-}
-
-static void makefuncdescs(struct dso *p)
-{
- static int self_done;
- size_t nsym = count_syms(p);
- size_t i, size = nsym * sizeof(*p->funcdescs);
-
- if (!self_done) {
- p->funcdescs = dl_mmap(size);
- self_done = 1;
- } else {
- p->funcdescs = malloc(size);
- }
- if (!p->funcdescs) {
- if (!runtime) a_crash();
- error("Error allocating function descriptors for %s", p->name);
- longjmp(*rtld_fail, 1);
- }
- for (i=0; i<nsym; i++) {
- if ((p->syms[i].st_info&0xf)==STT_FUNC && p->syms[i].st_shndx) {
- p->funcdescs[i].addr = laddr(p, p->syms[i].st_value);
- p->funcdescs[i].got = p->got;
- } else {
- p->funcdescs[i].addr = 0;
- p->funcdescs[i].got = 0;
- }
- }
-}
-
-static struct dso *load_library(const char *name, struct dso *needed_by)
-{
- char buf[2*NAME_MAX+2];
- const char *pathname;
- unsigned char *map;
- struct dso *p, temp_dso = {0};
- int fd;
- struct stat st;
- size_t alloc_size;
- int n_th = 0;
- int is_self = 0;
-
- if (!*name) {
- errno = EINVAL;
- return 0;
- }
-
- /* Catch and block attempts to reload the implementation itself */
- if (name[0]=='l' && name[1]=='i' && name[2]=='b') {
- static const char *rp, reserved[] =
- "c\0pthread\0rt\0m\0dl\0util\0xnet\0";
- char *z = strchr(name, '.');
- if (z) {
- size_t l = z-name;
- for (rp=reserved; *rp && strncmp(name+3, rp, l-3); rp+=strlen(rp)+1);
- if (*rp) {
- if (ldd_mode) {
- /* Track which names have been resolved
- * and only report each one once. */
- static unsigned reported;
- unsigned mask = 1U<<(rp-reserved);
- if (!(reported & mask)) {
- reported |= mask;
- dprintf(1, "\t%s => %s (%p)\n",
- name, ldso.name,
- ldso.base);
- }
- }
- is_self = 1;
- }
- }
- }
- if (!strcmp(name, ldso.name)) is_self = 1;
- if (is_self) {
- if (!ldso.prev) {
- tail->next = &ldso;
- ldso.prev = tail;
- tail = ldso.next ? ldso.next : &ldso;
- }
- return &ldso;
- }
- if (strchr(name, '/')) {
- pathname = name;
- fd = open(name, O_RDONLY|O_CLOEXEC);
- } else {
- /* Search for the name to see if it's already loaded */
- for (p=head->next; p; p=p->next) {
- if (p->shortname && !strcmp(p->shortname, name)) {
- p->refcnt++;
- return p;
- }
- }
- if (strlen(name) > NAME_MAX) return 0;
- fd = -1;
- if (env_path) fd = path_open(name, env_path, buf, sizeof buf);
- for (p=needed_by; fd == -1 && p; p=p->needed_by) {
- if (fixup_rpath(p, buf, sizeof buf) < 0)
- fd = -2; /* Inhibit further search. */
- if (p->rpath)
- fd = path_open(name, p->rpath, buf, sizeof buf);
- }
- if (fd == -1) {
- if (!sys_path) {
- char *prefix = 0;
- size_t prefix_len;
- if (ldso.name[0]=='/') {
- char *s, *t, *z;
- for (s=t=z=ldso.name; *s; s++)
- if (*s=='/') z=t, t=s;
- prefix_len = z-ldso.name;
- if (prefix_len < PATH_MAX)
- prefix = ldso.name;
- }
- if (!prefix) {
- prefix = "";
- prefix_len = 0;
- }
- char etc_ldso_path[prefix_len + 1
- + sizeof "/etc/ld-musl-" LDSO_ARCH ".path"];
- snprintf(etc_ldso_path, sizeof etc_ldso_path,
- "%.*s/etc/ld-musl-" LDSO_ARCH ".path",
- (int)prefix_len, prefix);
- FILE *f = fopen(etc_ldso_path, "rbe");
- if (f) {
- if (getdelim(&sys_path, (size_t[1]){0}, 0, f) <= 0) {
- free(sys_path);
- sys_path = "";
- }
- fclose(f);
- } else if (errno != ENOENT) {
- sys_path = "";
- }
- }
- if (!sys_path) sys_path = "/lib:/usr/local/lib:/usr/lib";
- fd = path_open(name, sys_path, buf, sizeof buf);
- }
- pathname = buf;
- }
- if (fd < 0) return 0;
- if (fstat(fd, &st) < 0) {
- close(fd);
- return 0;
- }
- for (p=head->next; p; p=p->next) {
- if (p->dev == st.st_dev && p->ino == st.st_ino) {
- /* If this library was previously loaded with a
- * pathname but a search found the same inode,
- * setup its shortname so it can be found by name. */
- if (!p->shortname && pathname != name)
- p->shortname = strrchr(p->name, '/')+1;
- close(fd);
- p->refcnt++;
- return p;
- }
- }
- map = noload ? 0 : map_library(fd, &temp_dso);
- close(fd);
- if (!map) return 0;
-
- /* Allocate storage for the new DSO. When there is TLS, this
- * storage must include a reservation for all pre-existing
- * threads to obtain copies of both the new TLS, and an
- * extended DTV capable of storing an additional slot for
- * the newly-loaded DSO. */
- alloc_size = sizeof *p + strlen(pathname) + 1;
- if (runtime && temp_dso.tls_image) {
- size_t per_th = temp_dso.tls_size + temp_dso.tls_align
- + sizeof(void *) * (tls_cnt+3);
- n_th = libc.threads_minus_1 + 1;
- if (n_th > SSIZE_MAX / per_th) alloc_size = SIZE_MAX;
- else alloc_size += n_th * per_th;
- }
- p = calloc(1, alloc_size);
- if (!p) {
- unmap_library(&temp_dso);
- return 0;
- }
- memcpy(p, &temp_dso, sizeof temp_dso);
- decode_dyn(p);
- p->dev = st.st_dev;
- p->ino = st.st_ino;
- p->refcnt = 1;
- p->needed_by = needed_by;
- p->name = p->buf;
- strcpy(p->name, pathname);
- /* Add a shortname only if name arg was not an explicit pathname. */
- if (pathname != name) p->shortname = strrchr(p->name, '/')+1;
- if (p->tls_image) {
- p->tls_id = ++tls_cnt;
- tls_align = MAXP2(tls_align, p->tls_align);
-#ifdef TLS_ABOVE_TP
- p->tls_offset = tls_offset + ( (tls_align-1) &
- -(tls_offset + (uintptr_t)p->tls_image) );
- tls_offset += p->tls_size;
-#else
- tls_offset += p->tls_size + p->tls_align - 1;
- tls_offset -= (tls_offset + (uintptr_t)p->tls_image)
- & (p->tls_align-1);
- p->tls_offset = tls_offset;
-#endif
- p->new_dtv = (void *)(-sizeof(size_t) &
- (uintptr_t)(p->name+strlen(p->name)+sizeof(size_t)));
- p->new_tls = (void *)(p->new_dtv + n_th*(tls_cnt+1));
- }
-
- tail->next = p;
- p->prev = tail;
- tail = p;
-
- if (DL_FDPIC) makefuncdescs(p);
-
- if (ldd_mode) dprintf(1, "\t%s => %s (%p)\n", name, pathname, p->base);
-
- return p;
-}
-
-static void load_deps(struct dso *p)
-{
- size_t i, ndeps=0;
- struct dso ***deps = &p->deps, **tmp, *dep;
- for (; p; p=p->next) {
- for (i=0; p->dynv[i]; i+=2) {
- if (p->dynv[i] != DT_NEEDED) continue;
- dep = load_library(p->strings + p->dynv[i+1], p);
- if (!dep) {
- error("Error loading shared library %s: %m (needed by %s)",
- p->strings + p->dynv[i+1], p->name);
- if (runtime) longjmp(*rtld_fail, 1);
- continue;
- }
- if (runtime) {
- tmp = realloc(*deps, sizeof(*tmp)*(ndeps+2));
- if (!tmp) longjmp(*rtld_fail, 1);
- tmp[ndeps++] = dep;
- tmp[ndeps] = 0;
- *deps = tmp;
- }
- }
- }
-}
-
-static void load_preload(char *s)
-{
- int tmp;
- char *z;
- for (z=s; *z; s=z) {
- for ( ; *s && (isspace(*s) || *s==':'); s++);
- for (z=s; *z && !isspace(*z) && *z!=':'; z++);
- tmp = *z;
- *z = 0;
- load_library(s, 0);
- *z = tmp;
- }
-}
-
-static void make_global(struct dso *p)
-{
- for (; p; p=p->next) p->global = 1;
-}
-
-static void do_mips_relocs(struct dso *p, size_t *got)
-{
- size_t i, j, rel[2];
- unsigned char *base = p->base;
- i=0; search_vec(p->dynv, &i, DT_MIPS_LOCAL_GOTNO);
- if (p==&ldso) {
- got += i;
- } else {
- while (i--) *got++ += (size_t)base;
- }
- j=0; search_vec(p->dynv, &j, DT_MIPS_GOTSYM);
- i=0; search_vec(p->dynv, &i, DT_MIPS_SYMTABNO);
- Sym *sym = p->syms + j;
- rel[0] = (unsigned char *)got - base;
- for (i-=j; i; i--, sym++, rel[0]+=sizeof(size_t)) {
- rel[1] = sym-p->syms << 8 | R_MIPS_JUMP_SLOT;
- do_relocs(p, rel, sizeof rel, 2);
- }
-}
-
-static void reloc_all(struct dso *p)
-{
- size_t dyn[DYN_CNT];
- for (; p; p=p->next) {
- if (p->relocated) continue;
- decode_vec(p->dynv, dyn, DYN_CNT);
- if (NEED_MIPS_GOT_RELOCS)
- do_mips_relocs(p, laddr(p, dyn[DT_PLTGOT]));
- do_relocs(p, laddr(p, dyn[DT_JMPREL]), dyn[DT_PLTRELSZ],
- 2+(dyn[DT_PLTREL]==DT_RELA));
- do_relocs(p, laddr(p, dyn[DT_REL]), dyn[DT_RELSZ], 2);
- do_relocs(p, laddr(p, dyn[DT_RELA]), dyn[DT_RELASZ], 3);
-
- if (head != &ldso && p->relro_start != p->relro_end &&
- mprotect(laddr(p, p->relro_start), p->relro_end-p->relro_start, PROT_READ)
- && errno != ENOSYS) {
- error("Error relocating %s: RELRO protection failed: %m",
- p->name);
- if (runtime) longjmp(*rtld_fail, 1);
- }
-
- p->relocated = 1;
- }
-}
-
-static void kernel_mapped_dso(struct dso *p)
-{
- size_t min_addr = -1, max_addr = 0, cnt;
- Phdr *ph = p->phdr;
- for (cnt = p->phnum; cnt--; ph = (void *)((char *)ph + p->phentsize)) {
- if (ph->p_type == PT_DYNAMIC) {
- p->dynv = laddr(p, ph->p_vaddr);
- } else if (ph->p_type == PT_GNU_RELRO) {
- p->relro_start = ph->p_vaddr & -PAGE_SIZE;
- p->relro_end = (ph->p_vaddr + ph->p_memsz) & -PAGE_SIZE;
- }
- if (ph->p_type != PT_LOAD) continue;
- if (ph->p_vaddr < min_addr)
- min_addr = ph->p_vaddr;
- if (ph->p_vaddr+ph->p_memsz > max_addr)
- max_addr = ph->p_vaddr+ph->p_memsz;
- }
- min_addr &= -PAGE_SIZE;
- max_addr = (max_addr + PAGE_SIZE-1) & -PAGE_SIZE;
- p->map = p->base + min_addr;
- p->map_len = max_addr - min_addr;
- p->kernel_mapped = 1;
-}
-
-static void do_fini()
-{
- struct dso *p;
- size_t dyn[DYN_CNT];
- for (p=fini_head; p; p=p->fini_next) {
- if (!p->constructed) continue;
- decode_vec(p->dynv, dyn, DYN_CNT);
- if (dyn[0] & (1<<DT_FINI_ARRAY)) {
- size_t n = dyn[DT_FINI_ARRAYSZ]/sizeof(size_t);
- size_t *fn = (size_t *)laddr(p, dyn[DT_FINI_ARRAY])+n;
- while (n--) ((void (*)(void))*--fn)();
- }
-#ifndef NO_LEGACY_INITFINI
- if ((dyn[0] & (1<<DT_FINI)) && dyn[DT_FINI])
- fpaddr(p, dyn[DT_FINI])();
-#endif
- }
-}
-
-static void do_init_fini(struct dso *p)
-{
- size_t dyn[DYN_CNT];
- int need_locking = libc.threads_minus_1;
- /* Allow recursive calls that arise when a library calls
- * dlopen from one of its constructors, but block any
- * other threads until all ctors have finished. */
- if (need_locking) pthread_mutex_lock(&init_fini_lock);
- for (; p; p=p->prev) {
- if (p->constructed) continue;
- p->constructed = 1;
- decode_vec(p->dynv, dyn, DYN_CNT);
- if (dyn[0] & ((1<<DT_FINI) | (1<<DT_FINI_ARRAY))) {
- p->fini_next = fini_head;
- fini_head = p;
- }
-#ifndef NO_LEGACY_INITFINI
- if ((dyn[0] & (1<<DT_INIT)) && dyn[DT_INIT])
- fpaddr(p, dyn[DT_INIT])();
-#endif
- if (dyn[0] & (1<<DT_INIT_ARRAY)) {
- size_t n = dyn[DT_INIT_ARRAYSZ]/sizeof(size_t);
- size_t *fn = laddr(p, dyn[DT_INIT_ARRAY]);
- while (n--) ((void (*)(void))*fn++)();
- }
- if (!need_locking && libc.threads_minus_1) {
- need_locking = 1;
- pthread_mutex_lock(&init_fini_lock);
- }
- }
- if (need_locking) pthread_mutex_unlock(&init_fini_lock);
-}
-
-void __libc_start_init(void)
-{
- do_init_fini(tail);
-}
-
-static void dl_debug_state(void)
-{
-}
-
-weak_alias(dl_debug_state, _dl_debug_state);
-
-void __reset_tls()
-{
- pthread_t self = __pthread_self();
- struct dso *p;
- for (p=head; p; p=p->next) {
- if (!p->tls_id || !self->dtv[p->tls_id]) continue;
- memcpy(self->dtv[p->tls_id], p->tls_image, p->tls_len);
- memset((char *)self->dtv[p->tls_id]+p->tls_len, 0,
- p->tls_size - p->tls_len);
- if (p->tls_id == (size_t)self->dtv[0]) break;
- }
-}
-
-void *__copy_tls(unsigned char *mem)
-{
- pthread_t td;
- struct dso *p;
- void **dtv;
-
-#ifdef TLS_ABOVE_TP
- dtv = (void **)(mem + libc.tls_size) - (tls_cnt + 1);
-
- mem += -((uintptr_t)mem + sizeof(struct pthread)) & (tls_align-1);
- td = (pthread_t)mem;
- mem += sizeof(struct pthread);
-
- for (p=head; p; p=p->next) {
- if (!p->tls_id) continue;
- dtv[p->tls_id] = mem + p->tls_offset;
- memcpy(dtv[p->tls_id], p->tls_image, p->tls_len);
- }
-#else
- dtv = (void **)mem;
-
- mem += libc.tls_size - sizeof(struct pthread);
- mem -= (uintptr_t)mem & (tls_align-1);
- td = (pthread_t)mem;
-
- for (p=head; p; p=p->next) {
- if (!p->tls_id) continue;
- dtv[p->tls_id] = mem - p->tls_offset;
- memcpy(dtv[p->tls_id], p->tls_image, p->tls_len);
- }
-#endif
- dtv[0] = (void *)tls_cnt;
- td->dtv = td->dtv_copy = dtv;
- return td;
-}
-
-__attribute__((__visibility__("hidden")))
-void *__tls_get_new(size_t *v)
-{
- pthread_t self = __pthread_self();
-
- /* Block signals to make accessing new TLS async-signal-safe */
- sigset_t set;
- __block_all_sigs(&set);
- if (v[0]<=(size_t)self->dtv[0]) {
- __restore_sigs(&set);
- return (char *)self->dtv[v[0]]+v[1]+DTP_OFFSET;
- }
-
- /* This is safe without any locks held because, if the caller
- * is able to request the Nth entry of the DTV, the DSO list
- * must be valid at least that far out and it was synchronized
- * at program startup or by an already-completed call to dlopen. */
- struct dso *p;
- for (p=head; p->tls_id != v[0]; p=p->next);
-
- /* Get new DTV space from new DSO if needed */
- if (v[0] > (size_t)self->dtv[0]) {
- void **newdtv = p->new_dtv +
- (v[0]+1)*sizeof(void *)*a_fetch_add(&p->new_dtv_idx,1);
- memcpy(newdtv, self->dtv,
- ((size_t)self->dtv[0]+1) * sizeof(void *));
- newdtv[0] = (void *)v[0];
- self->dtv = self->dtv_copy = newdtv;
- }
-
- /* Get new TLS memory from all new DSOs up to the requested one */
- unsigned char *mem;
- for (p=head; ; p=p->next) {
- if (!p->tls_id || self->dtv[p->tls_id]) continue;
- mem = p->new_tls + (p->tls_size + p->tls_align)
- * a_fetch_add(&p->new_tls_idx,1);
- mem += ((uintptr_t)p->tls_image - (uintptr_t)mem)
- & (p->tls_align-1);
- self->dtv[p->tls_id] = mem;
- memcpy(mem, p->tls_image, p->tls_len);
- if (p->tls_id == v[0]) break;
- }
- __restore_sigs(&set);
- return mem + v[1] + DTP_OFFSET;
-}
-
-static void update_tls_size()
-{
- libc.tls_size = ALIGN(
- (1+tls_cnt) * sizeof(void *) +
- tls_offset +
- sizeof(struct pthread) +
- tls_align * 2,
- tls_align);
-}
-
-/* Stage 1 of the dynamic linker is defined in dlstart.c. It calls the
- * following stage 2 and stage 3 functions via primitive symbolic lookup
- * since it does not have access to their addresses to begin with. */
-
-/* Stage 2 of the dynamic linker is called after relative relocations
- * have been processed. It can make function calls to static functions
- * and access string literals and static data, but cannot use extern
- * symbols. Its job is to perform symbolic relocations on the dynamic
- * linker itself, but some of the relocations performed may need to be
- * replaced later due to copy relocations in the main program. */
-
-__attribute__((__visibility__("hidden")))
-void __dls2(unsigned char *base, size_t *sp)
-{
- if (DL_FDPIC) {
- void *p1 = (void *)sp[-2];
- void *p2 = (void *)sp[-1];
- if (!p1) {
- size_t *auxv, aux[AUX_CNT];
- for (auxv=sp+1+*sp+1; *auxv; auxv++); auxv++;
- decode_vec(auxv, aux, AUX_CNT);
- if (aux[AT_BASE]) ldso.base = (void *)aux[AT_BASE];
- else ldso.base = (void *)(aux[AT_PHDR] & -4096);
- }
- app_loadmap = p2 ? p1 : 0;
- ldso.loadmap = p2 ? p2 : p1;
- ldso.base = laddr(&ldso, 0);
- } else {
- ldso.base = base;
- }
- Ehdr *ehdr = (void *)ldso.base;
- ldso.name = ldso.shortname = "libc.so";
- ldso.global = 1;
- ldso.phnum = ehdr->e_phnum;
- ldso.phdr = laddr(&ldso, ehdr->e_phoff);
- ldso.phentsize = ehdr->e_phentsize;
- kernel_mapped_dso(&ldso);
- decode_dyn(&ldso);
-
- if (DL_FDPIC) makefuncdescs(&ldso);
-
- /* Prepare storage for to save clobbered REL addends so they
- * can be reused in stage 3. There should be very few. If
- * something goes wrong and there are a huge number, abort
- * instead of risking stack overflow. */
- size_t dyn[DYN_CNT];
- decode_vec(ldso.dynv, dyn, DYN_CNT);
- size_t *rel = laddr(&ldso, dyn[DT_REL]);
- size_t rel_size = dyn[DT_RELSZ];
- size_t symbolic_rel_cnt = 0;
- apply_addends_to = rel;
- for (; rel_size; rel+=2, rel_size-=2*sizeof(size_t))
- if (!IS_RELATIVE(rel[1], ldso.syms)) symbolic_rel_cnt++;
- if (symbolic_rel_cnt >= ADDEND_LIMIT) a_crash();
- size_t addends[symbolic_rel_cnt+1];
- saved_addends = addends;
-
- head = &ldso;
- reloc_all(&ldso);
-
- ldso.relocated = 0;
-
- /* Call dynamic linker stage-3, __dls3, looking it up
- * symbolically as a barrier against moving the address
- * load across the above relocation processing. */
- struct symdef dls3_def = find_sym(&ldso, "__dls3", 0);
- if (DL_FDPIC) ((stage3_func)&ldso.funcdescs[dls3_def.sym-ldso.syms])(sp);
- else ((stage3_func)laddr(&ldso, dls3_def.sym->st_value))(sp);
-}
-
-/* Stage 3 of the dynamic linker is called with the dynamic linker/libc
- * fully functional. Its job is to load (if not already loaded) and
- * process dependencies and relocations for the main application and
- * transfer control to its entry point. */
-
-_Noreturn void __dls3(size_t *sp)
-{
- static struct dso app, vdso;
- size_t aux[AUX_CNT], *auxv;
- size_t i;
- char *env_preload=0;
- size_t vdso_base;
- int argc = *sp;
- char **argv = (void *)(sp+1);
- char **argv_orig = argv;
- char **envp = argv+argc+1;
-
- /* Find aux vector just past environ[] and use it to initialize
- * global data that may be needed before we can make syscalls. */
- __environ = envp;
- for (i=argc+1; argv[i]; i++);
- libc.auxv = auxv = (void *)(argv+i+1);
- decode_vec(auxv, aux, AUX_CNT);
- __hwcap = aux[AT_HWCAP];
- libc.page_size = aux[AT_PAGESZ];
- libc.secure = ((aux[0]&0x7800)!=0x7800 || aux[AT_UID]!=aux[AT_EUID]
- || aux[AT_GID]!=aux[AT_EGID] || aux[AT_SECURE]);
-
- /* Setup early thread pointer in builtin_tls for ldso/libc itself to
- * use during dynamic linking. If possible it will also serve as the
- * thread pointer at runtime. */
- libc.tls_size = sizeof builtin_tls;
- if (__init_tp(__copy_tls((void *)builtin_tls)) < 0) {
- a_crash();
- }
-
- /* Only trust user/env if kernel says we're not suid/sgid */
- if (!libc.secure) {
- env_path = getenv("LD_LIBRARY_PATH");
- env_preload = getenv("LD_PRELOAD");
- }
-
- /* If the main program was already loaded by the kernel,
- * AT_PHDR will point to some location other than the dynamic
- * linker's program headers. */
- if (aux[AT_PHDR] != (size_t)ldso.phdr) {
- size_t interp_off = 0;
- size_t tls_image = 0;
- /* Find load address of the main program, via AT_PHDR vs PT_PHDR. */
- Phdr *phdr = app.phdr = (void *)aux[AT_PHDR];
- app.phnum = aux[AT_PHNUM];
- app.phentsize = aux[AT_PHENT];
- for (i=aux[AT_PHNUM]; i; i--, phdr=(void *)((char *)phdr + aux[AT_PHENT])) {
- if (phdr->p_type == PT_PHDR)
- app.base = (void *)(aux[AT_PHDR] - phdr->p_vaddr);
- else if (phdr->p_type == PT_INTERP)
- interp_off = (size_t)phdr->p_vaddr;
- else if (phdr->p_type == PT_TLS) {
- tls_image = phdr->p_vaddr;
- app.tls_len = phdr->p_filesz;
- app.tls_size = phdr->p_memsz;
- app.tls_align = phdr->p_align;
- }
- }
- if (DL_FDPIC) app.loadmap = app_loadmap;
- if (app.tls_size) app.tls_image = laddr(&app, tls_image);
- if (interp_off) ldso.name = laddr(&app, interp_off);
- if ((aux[0] & (1UL<<AT_EXECFN))
- && strncmp((char *)aux[AT_EXECFN], "/proc/", 6))
- app.name = (char *)aux[AT_EXECFN];
- else
- app.name = argv[0];
- kernel_mapped_dso(&app);
- } else {
- int fd;
- char *ldname = argv[0];
- size_t l = strlen(ldname);
- if (l >= 3 && !strcmp(ldname+l-3, "ldd")) ldd_mode = 1;
- argv++;
- while (argv[0] && argv[0][0]=='-' && argv[0][1]=='-') {
- char *opt = argv[0]+2;
- *argv++ = (void *)-1;
- if (!*opt) {
- break;
- } else if (!memcmp(opt, "list", 5)) {
- ldd_mode = 1;
- } else if (!memcmp(opt, "library-path", 12)) {
- if (opt[12]=='=') env_path = opt+13;
- else if (opt[12]) *argv = 0;
- else if (*argv) env_path = *argv++;
- } else if (!memcmp(opt, "preload", 7)) {
- if (opt[7]=='=') env_preload = opt+8;
- else if (opt[7]) *argv = 0;
- else if (*argv) env_preload = *argv++;
- } else {
- argv[0] = 0;
- }
- }
- argv[-1] = (void *)(argc - (argv-argv_orig));
- if (!argv[0]) {
- dprintf(2, "musl libc\n"
- "Version %s\n"
- "Dynamic Program Loader\n"
- "Usage: %s [options] [--] pathname%s\n",
- __libc_get_version(), ldname,
- ldd_mode ? "" : " [args]");
- _exit(1);
- }
- fd = open(argv[0], O_RDONLY);
- if (fd < 0) {
- dprintf(2, "%s: cannot load %s: %s\n", ldname, argv[0], strerror(errno));
- _exit(1);
- }
- runtime = 1;
- Ehdr *ehdr = (void *)map_library(fd, &app);
- if (!ehdr) {
- dprintf(2, "%s: %s: Not a valid dynamic program\n", ldname, argv[0]);
- _exit(1);
- }
- runtime = 0;
- close(fd);
- ldso.name = ldname;
- app.name = argv[0];
- aux[AT_ENTRY] = (size_t)laddr(&app, ehdr->e_entry);
- /* Find the name that would have been used for the dynamic
- * linker had ldd not taken its place. */
- if (ldd_mode) {
- for (i=0; i<app.phnum; i++) {
- if (app.phdr[i].p_type == PT_INTERP)
- ldso.name = laddr(&app, app.phdr[i].p_vaddr);
- }
- dprintf(1, "\t%s (%p)\n", ldso.name, ldso.base);
- }
- }
- if (app.tls_size) {
- app.tls_id = tls_cnt = 1;
-#ifdef TLS_ABOVE_TP
- app.tls_offset = 0;
- tls_offset = app.tls_size
- + ( -((uintptr_t)app.tls_image + app.tls_size)
- & (app.tls_align-1) );
-#else
- tls_offset = app.tls_offset = app.tls_size
- + ( -((uintptr_t)app.tls_image + app.tls_size)
- & (app.tls_align-1) );
-#endif
- tls_align = MAXP2(tls_align, app.tls_align);
- }
- app.global = 1;
- decode_dyn(&app);
- if (DL_FDPIC) {
- makefuncdescs(&app);
- if (!app.loadmap) {
- app.loadmap = (void *)&app_dummy_loadmap;
- app.loadmap->nsegs = 1;
- app.loadmap->segs[0].addr = (size_t)app.map;
- app.loadmap->segs[0].p_vaddr = (size_t)app.map
- - (size_t)app.base;
- app.loadmap->segs[0].p_memsz = app.map_len;
- }
- argv[-3] = (void *)app.loadmap;
- }
-
- /* Attach to vdso, if provided by the kernel */
- if (search_vec(auxv, &vdso_base, AT_SYSINFO_EHDR)) {
- Ehdr *ehdr = (void *)vdso_base;
- Phdr *phdr = vdso.phdr = (void *)(vdso_base + ehdr->e_phoff);
- vdso.phnum = ehdr->e_phnum;
- vdso.phentsize = ehdr->e_phentsize;
- for (i=ehdr->e_phnum; i; i--, phdr=(void *)((char *)phdr + ehdr->e_phentsize)) {
- if (phdr->p_type == PT_DYNAMIC)
- vdso.dynv = (void *)(vdso_base + phdr->p_offset);
- if (phdr->p_type == PT_LOAD)
- vdso.base = (void *)(vdso_base - phdr->p_vaddr + phdr->p_offset);
- }
- vdso.name = "";
- vdso.shortname = "linux-gate.so.1";
- vdso.global = 1;
- vdso.relocated = 1;
- decode_dyn(&vdso);
- vdso.prev = &ldso;
- ldso.next = &vdso;
- }
-
- /* Initial dso chain consists only of the app. */
- head = tail = &app;
-
- /* Donate unused parts of app and library mapping to malloc */
- reclaim_gaps(&app);
- reclaim_gaps(&ldso);
-
- /* Load preload/needed libraries, add their symbols to the global
- * namespace, and perform all remaining relocations. */
- if (env_preload) load_preload(env_preload);
- load_deps(&app);
- make_global(&app);
-
-#ifndef DYNAMIC_IS_RO
- for (i=0; app.dynv[i]; i+=2)
- if (app.dynv[i]==DT_DEBUG)
- app.dynv[i+1] = (size_t)&debug;
-#endif
-
- /* The main program must be relocated LAST since it may contin
- * copy relocations which depend on libraries' relocations. */
- reloc_all(app.next);
- reloc_all(&app);
-
- update_tls_size();
- if (libc.tls_size > sizeof builtin_tls || tls_align > MIN_TLS_ALIGN) {
- void *initial_tls = calloc(libc.tls_size, 1);
- if (!initial_tls) {
- dprintf(2, "%s: Error getting %zu bytes thread-local storage: %m\n",
- argv[0], libc.tls_size);
- _exit(127);
- }
- if (__init_tp(__copy_tls(initial_tls)) < 0) {
- a_crash();
- }
- } else {
- size_t tmp_tls_size = libc.tls_size;
- pthread_t self = __pthread_self();
- /* Temporarily set the tls size to the full size of
- * builtin_tls so that __copy_tls will use the same layout
- * as it did for before. Then check, just to be safe. */
- libc.tls_size = sizeof builtin_tls;
- if (__copy_tls((void*)builtin_tls) != self) a_crash();
- libc.tls_size = tmp_tls_size;
- }
- static_tls_cnt = tls_cnt;
-
- if (ldso_fail) _exit(127);
- if (ldd_mode) _exit(0);
-
- /* Switch to runtime mode: any further failures in the dynamic
- * linker are a reportable failure rather than a fatal startup
- * error. */
- runtime = 1;
-
- debug.ver = 1;
- debug.bp = dl_debug_state;
- debug.head = head;
- debug.base = ldso.base;
- debug.state = 0;
- _dl_debug_state();
-
- __init_libc(envp, argv[0]);
- atexit(do_fini);
- errno = 0;
-
- CRTJMP((void *)aux[AT_ENTRY], argv-1);
- for(;;);
-}
-
-void *dlopen(const char *file, int mode)
-{
- struct dso *volatile p, *orig_tail, *next;
- size_t orig_tls_cnt, orig_tls_offset, orig_tls_align;
- size_t i;
- int cs;
- jmp_buf jb;
-
- if (!file) return head;
-
- pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs);
- pthread_rwlock_wrlock(&lock);
- __inhibit_ptc();
-
- p = 0;
- orig_tls_cnt = tls_cnt;
- orig_tls_offset = tls_offset;
- orig_tls_align = tls_align;
- orig_tail = tail;
- noload = mode & RTLD_NOLOAD;
-
- rtld_fail = &jb;
- if (setjmp(*rtld_fail)) {
- /* Clean up anything new that was (partially) loaded */
- if (p && p->deps) for (i=0; p->deps[i]; i++)
- if (p->deps[i]->global < 0)
- p->deps[i]->global = 0;
- for (p=orig_tail->next; p; p=next) {
- next = p->next;
- while (p->td_index) {
- void *tmp = p->td_index->next;
- free(p->td_index);
- p->td_index = tmp;
- }
- free(p->funcdescs);
- if (p->rpath != p->rpath_orig)
- free(p->rpath);
- free(p->deps);
- unmap_library(p);
- free(p);
- }
- tls_cnt = orig_tls_cnt;
- tls_offset = orig_tls_offset;
- tls_align = orig_tls_align;
- tail = orig_tail;
- tail->next = 0;
- p = 0;
- goto end;
- } else p = load_library(file, head);
-
- if (!p) {
- error(noload ?
- "Library %s is not already loaded" :
- "Error loading shared library %s: %m",
- file);
- goto end;
- }
-
- /* First load handling */
- if (!p->deps) {
- load_deps(p);
- if (p->deps) for (i=0; p->deps[i]; i++)
- if (!p->deps[i]->global)
- p->deps[i]->global = -1;
- if (!p->global) p->global = -1;
- reloc_all(p);
- if (p->deps) for (i=0; p->deps[i]; i++)
- if (p->deps[i]->global < 0)
- p->deps[i]->global = 0;
- if (p->global < 0) p->global = 0;
- }
-
- if (mode & RTLD_GLOBAL) {
- if (p->deps) for (i=0; p->deps[i]; i++)
- p->deps[i]->global = 1;
- p->global = 1;
- }
-
- update_tls_size();
- _dl_debug_state();
- orig_tail = tail;
-end:
- __release_ptc();
- if (p) gencnt++;
- pthread_rwlock_unlock(&lock);
- if (p) do_init_fini(orig_tail);
- pthread_setcancelstate(cs, 0);
- return p;
-}
-
-static int invalid_dso_handle(void *h)
-{
- struct dso *p;
- for (p=head; p; p=p->next) if (h==p) return 0;
- error("Invalid library handle %p", (void *)h);
- return 1;
-}
-
-static void *addr2dso(size_t a)
-{
- struct dso *p;
- size_t i;
- if (DL_FDPIC) for (p=head; p; p=p->next) {
- i = count_syms(p);
- if (a-(size_t)p->funcdescs < i*sizeof(*p->funcdescs))
- return p;
- }
- for (p=head; p; p=p->next) {
- if (DL_FDPIC && p->loadmap) {
- for (i=0; i<p->loadmap->nsegs; i++) {
- if (a-p->loadmap->segs[i].p_vaddr
- < p->loadmap->segs[i].p_memsz)
- return p;
- }
- } else {
- if (a-(size_t)p->map < p->map_len)
- return p;
- }
- }
- return 0;
-}
-
-void *__tls_get_addr(size_t *);
-
-static void *do_dlsym(struct dso *p, const char *s, void *ra)
-{
- size_t i;
- uint32_t h = 0, gh = 0, *ght;
- Sym *sym;
- if (p == head || p == RTLD_DEFAULT || p == RTLD_NEXT) {
- if (p == RTLD_DEFAULT) {
- p = head;
- } else if (p == RTLD_NEXT) {
- p = addr2dso((size_t)ra);
- if (!p) p=head;
- p = p->next;
- }
- struct symdef def = find_sym(p, s, 0);
- if (!def.sym) goto failed;
- if ((def.sym->st_info&0xf) == STT_TLS)
- return __tls_get_addr((size_t []){def.dso->tls_id, def.sym->st_value});
- if (DL_FDPIC && (def.sym->st_info&0xf) == STT_FUNC)
- return def.dso->funcdescs + (def.sym - def.dso->syms);
- return laddr(def.dso, def.sym->st_value);
- }
- if (invalid_dso_handle(p))
- return 0;
- if ((ght = p->ghashtab)) {
- gh = gnu_hash(s);
- sym = gnu_lookup(gh, ght, p, s);
- } else {
- h = sysv_hash(s);
- sym = sysv_lookup(s, h, p);
- }
- if (sym && (sym->st_info&0xf) == STT_TLS)
- return __tls_get_addr((size_t []){p->tls_id, sym->st_value});
- if (DL_FDPIC && sym && sym->st_shndx && (sym->st_info&0xf) == STT_FUNC)
- return p->funcdescs + (sym - p->syms);
- if (sym && sym->st_value && (1<<(sym->st_info&0xf) & OK_TYPES))
- return laddr(p, sym->st_value);
- if (p->deps) for (i=0; p->deps[i]; i++) {
- if ((ght = p->deps[i]->ghashtab)) {
- if (!gh) gh = gnu_hash(s);
- sym = gnu_lookup(gh, ght, p->deps[i], s);
- } else {
- if (!h) h = sysv_hash(s);
- sym = sysv_lookup(s, h, p->deps[i]);
- }
- if (sym && (sym->st_info&0xf) == STT_TLS)
- return __tls_get_addr((size_t []){p->deps[i]->tls_id, sym->st_value});
- if (DL_FDPIC && sym && sym->st_shndx && (sym->st_info&0xf) == STT_FUNC)
- return p->deps[i]->funcdescs + (sym - p->deps[i]->syms);
- if (sym && sym->st_value && (1<<(sym->st_info&0xf) & OK_TYPES))
- return laddr(p->deps[i], sym->st_value);
- }
-failed:
- error("Symbol not found: %s", s);
- return 0;
-}
-
-int __dladdr(const void *addr, Dl_info *info)
-{
- struct dso *p;
- Sym *sym, *bestsym;
- uint32_t nsym;
- char *strings;
- void *best = 0;
-
- pthread_rwlock_rdlock(&lock);
- p = addr2dso((size_t)addr);
- pthread_rwlock_unlock(&lock);
-
- if (!p) return 0;
-
- sym = p->syms;
- strings = p->strings;
- nsym = count_syms(p);
-
- if (DL_FDPIC) {
- size_t idx = ((size_t)addr-(size_t)p->funcdescs)
- / sizeof(*p->funcdescs);
- if (idx < nsym && (sym[idx].st_info&0xf) == STT_FUNC) {
- best = p->funcdescs + idx;
- bestsym = sym + idx;
- }
- }
-
- if (!best) for (; nsym; nsym--, sym++) {
- if (sym->st_value
- && (1<<(sym->st_info&0xf) & OK_TYPES)
- && (1<<(sym->st_info>>4) & OK_BINDS)) {
- void *symaddr = laddr(p, sym->st_value);
- if (symaddr > addr || symaddr < best)
- continue;
- best = symaddr;
- bestsym = sym;
- if (addr == symaddr)
- break;
- }
- }
-
- if (!best) return 0;
-
- if (DL_FDPIC && (bestsym->st_info&0xf) == STT_FUNC)
- best = p->funcdescs + (bestsym - p->syms);
-
- info->dli_fname = p->name;
- info->dli_fbase = p->base;
- info->dli_sname = strings + bestsym->st_name;
- info->dli_saddr = best;
-
- return 1;
-}
-
-__attribute__((__visibility__("hidden")))
-void *__dlsym(void *restrict p, const char *restrict s, void *restrict ra)
-{
- void *res;
- pthread_rwlock_rdlock(&lock);
- res = do_dlsym(p, s, ra);
- pthread_rwlock_unlock(&lock);
- return res;
-}
-
-int dl_iterate_phdr(int(*callback)(struct dl_phdr_info *info, size_t size, void *data), void *data)
-{
- struct dso *current;
- struct dl_phdr_info info;
- int ret = 0;
- for(current = head; current;) {
- info.dlpi_addr = (uintptr_t)current->base;
- info.dlpi_name = current->name;
- info.dlpi_phdr = current->phdr;
- info.dlpi_phnum = current->phnum;
- info.dlpi_adds = gencnt;
- info.dlpi_subs = 0;
- info.dlpi_tls_modid = current->tls_id;
- info.dlpi_tls_data = current->tls_image;
-
- ret = (callback)(&info, sizeof (info), data);
-
- if (ret != 0) break;
-
- pthread_rwlock_rdlock(&lock);
- current = current->next;
- pthread_rwlock_unlock(&lock);
- }
- return ret;
-}
-#else
-static int invalid_dso_handle(void *h)
-{
- error("Invalid library handle %p", (void *)h);
- return 1;
-}
-void *dlopen(const char *file, int mode)
-{
- error("Dynamic loading not supported");
- return 0;
-}
-void *__dlsym(void *restrict p, const char *restrict s, void *restrict ra)
-{
- error("Symbol not found: %s", s);
- return 0;
-}
-int __dladdr (const void *addr, Dl_info *info)
-{
- return 0;
-}
-#endif
-
-int __dlinfo(void *dso, int req, void *res)
-{
- if (invalid_dso_handle(dso)) return -1;
- if (req != RTLD_DI_LINKMAP) {
- error("Unsupported request %d", req);
- return -1;
- }
- *(struct link_map **)res = dso;
- return 0;
-}
-
-char *dlerror()
-{
- pthread_t self = __pthread_self();
- if (!self->dlerror_flag) return 0;
- self->dlerror_flag = 0;
- char *s = self->dlerror_buf;
- if (s == (void *)-1)
- return "Dynamic linker failed to allocate memory for error message";
- else
- return s;
-}
-
-int dlclose(void *p)
-{
- return invalid_dso_handle(p);
-}
-
-void __dl_thread_cleanup(void)
-{
- pthread_t self = __pthread_self();
- if (self->dlerror_buf != (void *)-1)
- free(self->dlerror_buf);
-}
-
-static void error(const char *fmt, ...)
-{
- va_list ap;
- va_start(ap, fmt);
-#ifdef SHARED
- if (!runtime) {
- vdprintf(2, fmt, ap);
- dprintf(2, "\n");
- ldso_fail = 1;
- va_end(ap);
- return;
- }
-#endif
- pthread_t self = __pthread_self();
- if (self->dlerror_buf != (void *)-1)
- free(self->dlerror_buf);
- size_t len = vsnprintf(0, 0, fmt, ap);
- va_end(ap);
- char *buf = malloc(len+1);
- if (buf) {
- va_start(ap, fmt);
- vsnprintf(buf, len+1, fmt, ap);
- va_end(ap);
- } else {
- buf = (void *)-1;
- }
- self->dlerror_buf = buf;
- self->dlerror_flag = 1;
-}
--- a/src/ldso/tlsdesc.c
+++ b/src/ldso/tlsdesc.c
@@ -1,5 +1,3 @@
-#ifdef SHARED
-
#include <stddef.h>
#include "libc.h"
@@ -12,5 +10,3 @@ ptrdiff_t __tlsdesc_static()
}
weak_alias(__tlsdesc_static, __tlsdesc_dynamic);
-
-#endif
--- a/src/legacy/utmpx.c
+++ b/src/legacy/utmpx.c
@@ -1,5 +1,6 @@
#include <utmpx.h>
#include <stddef.h>
+#include <errno.h>
#include "libc.h"
void endutxent(void)
@@ -34,6 +35,12 @@ void updwtmpx(const char *f, const struc
{
}
+int __utmpxname(const char *f)
+{
+ errno = ENOTSUP;
+ return -1;
+}
+
weak_alias(endutxent, endutent);
weak_alias(setutxent, setutent);
weak_alias(getutxent, getutent);
@@ -41,3 +48,5 @@ weak_alias(getutxid, getutid);
weak_alias(getutxline, getutline);
weak_alias(pututxline, pututline);
weak_alias(updwtmpx, updwtmp);
+weak_alias(__utmpxname, utmpname);
+weak_alias(__utmpxname, utmpxname);
--- /dev/null
+++ b/src/linux/x32/sysinfo.c
@@ -0,0 +1,50 @@
+#include <sys/sysinfo.h>
+#include "syscall.h"
+#include "libc.h"
+
+#define klong long long
+#define kulong unsigned long long
+
+struct kernel_sysinfo {
+ klong uptime;
+ kulong loads[3];
+ kulong totalram;
+ kulong freeram;
+ kulong sharedram;
+ kulong bufferram;
+ kulong totalswap;
+ kulong freeswap;
+ short procs;
+ short pad;
+ kulong totalhigh;
+ kulong freehigh;
+ unsigned mem_unit;
+};
+
+int __lsysinfo(struct sysinfo *info)
+{
+ struct kernel_sysinfo tmp;
+ int ret = syscall(SYS_sysinfo, &tmp);
+ if(ret == -1) return ret;
+ info->uptime = tmp.uptime;
+ info->loads[0] = tmp.loads[0];
+ info->loads[1] = tmp.loads[1];
+ info->loads[2] = tmp.loads[2];
+ kulong shifts;
+ kulong max = tmp.totalram | tmp.totalswap;
+ __asm__("bsr %1,%0" : "=r"(shifts) : "r"(max));
+ shifts = shifts >= 32 ? shifts - 31 : 0;
+ info->totalram = tmp.totalram >> shifts;
+ info->freeram = tmp.freeram >> shifts;
+ info->sharedram = tmp.sharedram >> shifts;
+ info->bufferram = tmp.bufferram >> shifts;
+ info->totalswap = tmp.totalswap >> shifts;
+ info->freeswap = tmp.freeswap >> shifts;
+ info->procs = tmp.procs ;
+ info->totalhigh = tmp.totalhigh >> shifts;
+ info->freehigh = tmp.freehigh >> shifts;
+ info->mem_unit = (tmp.mem_unit ? tmp.mem_unit : 1) << shifts;
+ return ret;
+}
+
+weak_alias(__lsysinfo, sysinfo);
--- a/src/linux/x32/sysinfo.s
+++ /dev/null
@@ -1 +0,0 @@
-# see arch/x32/src/sysinfo.c
--- a/src/locale/langinfo.c
+++ b/src/locale/langinfo.c
@@ -37,23 +37,23 @@ char *__nl_langinfo_l(nl_item item, loca
switch (cat) {
case LC_NUMERIC:
- if (idx > 1) return NULL;
+ if (idx > 1) return "";
str = c_numeric;
break;
case LC_TIME:
- if (idx > 0x31) return NULL;
+ if (idx > 0x31) return "";
str = c_time;
break;
case LC_MONETARY:
- if (idx > 0) return NULL;
+ if (idx > 0) return "";
str = "";
break;
case LC_MESSAGES:
- if (idx > 3) return NULL;
+ if (idx > 3) return "";
str = c_messages;
break;
default:
- return NULL;
+ return "";
}
for (; idx; idx--, str++) for (; *str; str++);
--- a/src/malloc/lite_malloc.c
+++ b/src/malloc/lite_malloc.c
@@ -8,7 +8,7 @@
void *__expand_heap(size_t *);
-void *__simple_malloc(size_t n)
+static void *__simple_malloc(size_t n)
{
static char *cur, *end;
static volatile int lock[2];
--- a/src/math/__rem_pio2.c
+++ b/src/math/__rem_pio2.c
@@ -118,7 +118,7 @@ int __rem_pio2(double x, double *y)
if (ix < 0x413921fb) { /* |x| ~< 2^20*(pi/2), medium size */
medium:
/* rint(x/(pi/2)), Assume round-to-nearest. */
- fn = x*invpio2 + toint - toint;
+ fn = (double_t)x*invpio2 + toint - toint;
n = (int32_t)fn;
r = x - fn*pio2_1;
w = fn*pio2_1t; /* 1st round, good to 85 bits */
--- a/src/math/__rem_pio2f.c
+++ b/src/math/__rem_pio2f.c
@@ -51,7 +51,7 @@ int __rem_pio2f(float x, double *y)
/* 25+53 bit pi is good enough for medium size */
if (ix < 0x4dc90fdb) { /* |x| ~< 2^28*(pi/2), medium size */
/* Use a specialized rint() to get fn. Assume round-to-nearest. */
- fn = x*invpio2 + toint - toint;
+ fn = (double_t)x*invpio2 + toint - toint;
n = (int32_t)fn;
*y = x - fn*pio2_1 - fn*pio2_1t;
return n;
--- /dev/null
+++ b/src/math/arm/fabs.c
@@ -0,0 +1,15 @@
+#include <math.h>
+
+#if __ARM_PCS_VFP
+
+double fabs(double x)
+{
+ __asm__ ("vabs.f64 %P0, %P1" : "=w"(x) : "w"(x));
+ return x;
+}
+
+#else
+
+#include "../fabs.c"
+
+#endif
--- /dev/null
+++ b/src/math/arm/fabsf.c
@@ -0,0 +1,15 @@
+#include <math.h>
+
+#if __ARM_PCS_VFP
+
+float fabsf(float x)
+{
+ __asm__ ("vabs.f32 %0, %1" : "=t"(x) : "t"(x));
+ return x;
+}
+
+#else
+
+#include "../fabsf.c"
+
+#endif
--- /dev/null
+++ b/src/math/arm/sqrt.c
@@ -0,0 +1,15 @@
+#include <math.h>
+
+#if __VFP_FP__ && !__SOFTFP__
+
+double sqrt(double x)
+{
+ __asm__ ("vsqrt.f64 %P0, %P1" : "=w"(x) : "w"(x));
+ return x;
+}
+
+#else
+
+#include "../sqrt.c"
+
+#endif
--- /dev/null
+++ b/src/math/arm/sqrtf.c
@@ -0,0 +1,15 @@
+#include <math.h>
+
+#if __VFP_FP__ && !__SOFTFP__
+
+float sqrtf(float x)
+{
+ __asm__ ("vsqrt.f32 %0, %1" : "=t"(x) : "t"(x));
+ return x;
+}
+
+#else
+
+#include "../sqrtf.c"
+
+#endif
--- a/src/math/armebhf/fabs.sub
+++ /dev/null
@@ -1 +0,0 @@
-../armhf/fabs.s
--- a/src/math/armebhf/fabsf.sub
+++ /dev/null
@@ -1 +0,0 @@
-../armhf/fabsf.s
--- a/src/math/armebhf/sqrt.sub
+++ /dev/null
@@ -1 +0,0 @@
-../armhf/sqrt.s
--- a/src/math/armebhf/sqrtf.sub
+++ /dev/null
@@ -1 +0,0 @@
-../armhf/sqrtf.s
--- a/src/math/armhf/fabs.s
+++ /dev/null
@@ -1,7 +0,0 @@
-.fpu vfp
-.text
-.global fabs
-.type fabs,%function
-fabs:
- vabs.f64 d0, d0
- bx lr
--- a/src/math/armhf/fabs.sub
+++ /dev/null
@@ -1 +0,0 @@
-fabs.s
--- a/src/math/armhf/fabsf.s
+++ /dev/null
@@ -1,7 +0,0 @@
-.fpu vfp
-.text
-.global fabsf
-.type fabsf,%function
-fabsf:
- vabs.f32 s0, s0
- bx lr
--- a/src/math/armhf/fabsf.sub
+++ /dev/null
@@ -1 +0,0 @@
-fabsf.s
--- a/src/math/armhf/sqrt.s
+++ /dev/null
@@ -1,7 +0,0 @@
-.fpu vfp
-.text
-.global sqrt
-.type sqrt,%function
-sqrt:
- vsqrt.f64 d0, d0
- bx lr
--- a/src/math/armhf/sqrt.sub
+++ /dev/null
@@ -1 +0,0 @@
-sqrt.s
--- a/src/math/armhf/sqrtf.s
+++ /dev/null
@@ -1,7 +0,0 @@
-.fpu vfp
-.text
-.global sqrtf
-.type sqrtf,%function
-sqrtf:
- vsqrt.f32 s0, s0
- bx lr
--- a/src/math/armhf/sqrtf.sub
+++ /dev/null
@@ -1 +0,0 @@
-sqrtf.s
--- a/src/math/hypot.c
+++ b/src/math/hypot.c
@@ -12,10 +12,10 @@ static void sq(double_t *hi, double_t *l
{
double_t xh, xl, xc;
- xc = x*SPLIT;
+ xc = (double_t)x*SPLIT;
xh = x - xc + xc;
xl = x - xh;
- *hi = x*x;
+ *hi = (double_t)x*x;
*lo = xh*xh - *hi + 2*xh*xl + xl*xl;
}
--- a/src/mman/mremap.c
+++ b/src/mman/mremap.c
@@ -1,17 +1,31 @@
+#define _GNU_SOURCE
#include <unistd.h>
#include <sys/mman.h>
+#include <errno.h>
+#include <stdint.h>
#include <stdarg.h>
#include "syscall.h"
#include "libc.h"
+static void dummy(void) { }
+weak_alias(dummy, __vm_wait);
+
void *__mremap(void *old_addr, size_t old_len, size_t new_len, int flags, ...)
{
va_list ap;
- void *new_addr;
-
- va_start(ap, flags);
- new_addr = va_arg(ap, void *);
- va_end(ap);
+ void *new_addr = 0;
+
+ if (new_len >= PTRDIFF_MAX) {
+ errno = ENOMEM;
+ return MAP_FAILED;
+ }
+
+ if (flags & MREMAP_FIXED) {
+ __vm_wait();
+ va_start(ap, flags);
+ new_addr = va_arg(ap, void *);
+ va_end(ap);
+ }
return (void *)syscall(SYS_mremap, old_addr, old_len, new_len, flags, new_addr);
}
--- a/src/network/getifaddrs.c
+++ b/src/network/getifaddrs.c
@@ -162,13 +162,26 @@ static int netlink_msg_to_ifaddr(void *p
for (rta = NLMSG_RTA(h, sizeof(*ifa)); NLMSG_RTAOK(rta, h); rta = RTA_NEXT(rta)) {
switch (rta->rta_type) {
case IFA_ADDRESS:
- copy_addr(&ifs->ifa.ifa_addr, ifa->ifa_family, &ifs->addr, RTA_DATA(rta), RTA_DATALEN(rta), ifa->ifa_index);
+ /* If ifa_addr is already set we, received an IFA_LOCAL before
+ * so treat this as destination address */
+ if (ifs->ifa.ifa_addr)
+ copy_addr(&ifs->ifa.ifa_dstaddr, ifa->ifa_family, &ifs->ifu, RTA_DATA(rta), RTA_DATALEN(rta), ifa->ifa_index);
+ else
+ copy_addr(&ifs->ifa.ifa_addr, ifa->ifa_family, &ifs->addr, RTA_DATA(rta), RTA_DATALEN(rta), ifa->ifa_index);
break;
case IFA_BROADCAST:
- /* For point-to-point links this is peer, but ifa_broadaddr
- * and ifa_dstaddr are union, so this works for both. */
copy_addr(&ifs->ifa.ifa_broadaddr, ifa->ifa_family, &ifs->ifu, RTA_DATA(rta), RTA_DATALEN(rta), ifa->ifa_index);
break;
+ case IFA_LOCAL:
+ /* If ifa_addr is set and we get IFA_LOCAL, assume we have
+ * a point-to-point network. Move address to correct field. */
+ if (ifs->ifa.ifa_addr) {
+ ifs->ifu = ifs->addr;
+ ifs->ifa.ifa_dstaddr = &ifs->ifu.sa;
+ memset(&ifs->addr, 0, sizeof(ifs->addr));
+ }
+ copy_addr(&ifs->ifa.ifa_addr, ifa->ifa_family, &ifs->addr, RTA_DATA(rta), RTA_DATALEN(rta), ifa->ifa_index);
+ break;
case IFA_LABEL:
if (RTA_DATALEN(rta) < sizeof(ifs->name)) {
memcpy(ifs->name, RTA_DATA(rta), RTA_DATALEN(rta));
--- a/src/network/getnameinfo.c
+++ b/src/network/getnameinfo.c
@@ -135,13 +135,13 @@ int getnameinfo(const struct sockaddr *r
switch (af) {
case AF_INET:
a = (void *)&((struct sockaddr_in *)sa)->sin_addr;
- if (sl != sizeof(struct sockaddr_in)) return EAI_FAMILY;
+ if (sl < sizeof(struct sockaddr_in)) return EAI_FAMILY;
mkptr4(ptr, a);
scopeid = 0;
break;
case AF_INET6:
a = (void *)&((struct sockaddr_in6 *)sa)->sin6_addr;
- if (sl != sizeof(struct sockaddr_in6)) return EAI_FAMILY;
+ if (sl < sizeof(struct sockaddr_in6)) return EAI_FAMILY;
if (memcmp(a, "\0\0\0\0\0\0\0\0\0\0\xff\xff", 12))
mkptr6(ptr, a);
else
--- a/src/network/if_nametoindex.c
+++ b/src/network/if_nametoindex.c
@@ -10,7 +10,7 @@ unsigned if_nametoindex(const char *name
struct ifreq ifr;
int fd, r;
- if ((fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0)) < 0) return -1;
+ if ((fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0)) < 0) return 0;
strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name);
r = ioctl(fd, SIOCGIFINDEX, &ifr);
__syscall(SYS_close, fd);
--- a/src/network/lookup.h
+++ b/src/network/lookup.h
@@ -2,6 +2,7 @@
#define LOOKUP_H
#include <stdint.h>
+#include <stddef.h>
struct address {
int family;
@@ -15,6 +16,14 @@ struct service {
unsigned char proto, socktype;
};
+#define MAXNS 3
+
+struct resolvconf {
+ struct address ns[MAXNS];
+ unsigned nns, attempts, ndots;
+ unsigned timeout;
+};
+
/* The limit of 48 results is a non-sharp bound on the number of addresses
* that can fit in one 512-byte DNS packet full of v4 results and a second
* packet full of v6 results. Due to headers, the actual limit is lower. */
@@ -25,4 +34,6 @@ int __lookup_serv(struct service buf[sta
int __lookup_name(struct address buf[static MAXADDRS], char canon[static 256], const char *name, int family, int flags);
int __lookup_ipliteral(struct address buf[static 1], const char *name, int family);
+int __get_resolv_conf(struct resolvconf *, char *, size_t);
+
#endif
--- a/src/network/lookup_name.c
+++ b/src/network/lookup_name.c
@@ -9,6 +9,7 @@
#include <fcntl.h>
#include <unistd.h>
#include <pthread.h>
+#include <errno.h>
#include "lookup.h"
#include "stdio_impl.h"
#include "syscall.h"
@@ -51,7 +52,14 @@ static int name_from_hosts(struct addres
int cnt = 0;
unsigned char _buf[1032];
FILE _f, *f = __fopen_rb_ca("/etc/hosts", &_f, _buf, sizeof _buf);
- if (!f) return 0;
+ if (!f) switch (errno) {
+ case ENOENT:
+ case ENOTDIR:
+ case EACCES:
+ return 0;
+ default:
+ return EAI_SYSTEM;
+ }
while (fgets(line, sizeof line, f) && cnt < MAXADDRS) {
char *p, *z;
@@ -85,7 +93,7 @@ struct dpc_ctx {
int __dns_parse(const unsigned char *, int, int (*)(void *, int, const void *, int, const void *), void *);
int __dn_expand(const unsigned char *, const unsigned char *, const unsigned char *, char *, int);
int __res_mkquery(int, const char *, int, int, const unsigned char *, int, const unsigned char*, unsigned char *, int);
-int __res_msend(int, const unsigned char *const *, const int *, unsigned char *const *, int *, int);
+int __res_msend_rc(int, const unsigned char *const *, const int *, unsigned char *const *, int *, int, const struct resolvconf *);
#define RR_A 1
#define RR_CNAME 5
@@ -117,7 +125,7 @@ static int dns_parse_callback(void *c, i
return 0;
}
-static int name_from_dns(struct address buf[static MAXADDRS], char canon[static 256], const char *name, int family)
+static int name_from_dns(struct address buf[static MAXADDRS], char canon[static 256], const char *name, int family, const struct resolvconf *conf)
{
unsigned char qbuf[2][280], abuf[2][512];
const unsigned char *qp[2] = { qbuf[0], qbuf[1] };
@@ -137,17 +145,59 @@ static int name_from_dns(struct address
nq++;
}
- if (__res_msend(nq, qp, qlens, ap, alens, sizeof *abuf) < 0) return EAI_SYSTEM;
+ if (__res_msend_rc(nq, qp, qlens, ap, alens, sizeof *abuf, conf) < 0)
+ return EAI_SYSTEM;
for (i=0; i<nq; i++)
__dns_parse(abuf[i], alens[i], dns_parse_callback, &ctx);
if (ctx.cnt) return ctx.cnt;
if (alens[0] < 4 || (abuf[0][3] & 15) == 2) return EAI_AGAIN;
- if ((abuf[0][3] & 15) == 3) return EAI_NONAME;
+ if ((abuf[0][3] & 15) == 0) return EAI_NONAME;
+ if ((abuf[0][3] & 15) == 3) return 0;
return EAI_FAIL;
}
+static int name_from_dns_search(struct address buf[static MAXADDRS], char canon[static 256], const char *name, int family)
+{
+ char search[256];
+ struct resolvconf conf;
+ size_t l, dots;
+ char *p, *z;
+
+ if (__get_resolv_conf(&conf, search, sizeof search) < 0) return -1;
+
+ /* Count dots, suppress search when >=ndots or name ends in
+ * a dot, which is an explicit request for global scope. */
+ for (dots=l=0; name[l]; l++) if (name[l]=='.') dots++;
+ if (dots >= conf.ndots || name[l-1]=='.') *search = 0;
+
+ /* This can never happen; the caller already checked length. */
+ if (l >= 256) return EAI_NONAME;
+
+ /* Name with search domain appended is setup in canon[]. This both
+ * provides the desired default canonical name (if the requested
+ * name is not a CNAME record) and serves as a buffer for passing
+ * the full requested name to name_from_dns. */
+ memcpy(canon, name, l);
+ canon[l] = '.';
+
+ for (p=search; *p; p=z) {
+ for (; isspace(*p); p++);
+ for (z=p; *z && !isspace(*z); z++);
+ if (z==p) break;
+ if (z-p < 256 - l - 1) {
+ memcpy(canon+l+1, p, z-p);
+ canon[z-p+1+l] = 0;
+ int cnt = name_from_dns(buf, canon, canon, family, &conf);
+ if (cnt) return cnt;
+ }
+ }
+
+ canon[l] = 0;
+ return name_from_dns(buf, canon, name, family, &conf);
+}
+
static const struct policy {
unsigned char addr[16];
unsigned char len, mask;
@@ -248,7 +298,7 @@ int __lookup_name(struct address buf[sta
if (!cnt) cnt = name_from_numeric(buf, name, family);
if (!cnt && !(flags & AI_NUMERICHOST)) {
cnt = name_from_hosts(buf, canon, name, family);
- if (!cnt) cnt = name_from_dns(buf, canon, name, family);
+ if (!cnt) cnt = name_from_dns_search(buf, canon, name, family);
}
if (cnt<=0) return cnt ? cnt : EAI_NONAME;
--- a/src/network/lookup_serv.c
+++ b/src/network/lookup_serv.c
@@ -4,6 +4,7 @@
#include <ctype.h>
#include <string.h>
#include <fcntl.h>
+#include <errno.h>
#include "lookup.h"
#include "stdio_impl.h"
@@ -69,7 +70,14 @@ int __lookup_serv(struct service buf[sta
unsigned char _buf[1032];
FILE _f, *f = __fopen_rb_ca("/etc/services", &_f, _buf, sizeof _buf);
- if (!f) return EAI_SERVICE;
+ if (!f) switch (errno) {
+ case ENOENT:
+ case ENOTDIR:
+ case EACCES:
+ return EAI_SERVICE;
+ default:
+ return EAI_SYSTEM;
+ }
while (fgets(line, sizeof line, f) && cnt < MAXSERVS) {
if ((p=strchr(line, '#'))) *p++='\n', *p=0;
--- a/src/network/proto.c
+++ b/src/network/proto.c
@@ -9,21 +9,36 @@ static const unsigned char protos[] = {
"\001icmp\0"
"\002igmp\0"
"\003ggp\0"
+ "\004ipencap\0"
+ "\005st\0"
"\006tcp\0"
+ "\008egp\0"
"\014pup\0"
"\021udp\0"
- "\026idp\0"
+ "\024hmp\0"
+ "\026xns-idp\0"
+ "\033rdp\0"
+ "\035iso-tp4\0"
+ "\044xtp\0"
+ "\045ddp\0"
+ "\046idpr-cmtp\0"
"\051ipv6\0"
"\053ipv6-route\0"
"\054ipv6-frag\0"
+ "\055idrp\0"
+ "\056rsvp\0"
"\057gre\0"
"\062esp\0"
"\063ah\0"
+ "\071skip\0"
"\072ipv6-icmp\0"
"\073ipv6-nonxt\0"
"\074ipv6-opts\0"
+ "\111rspf\0"
+ "\121vmtp\0"
"\131ospf\0"
"\136ipip\0"
+ "\142encap\0"
"\147pim\0"
"\377raw"
};
--- a/src/network/res_msend.c
+++ b/src/network/res_msend.c
@@ -27,18 +27,16 @@ static unsigned long mtime()
+ ts.tv_nsec / 1000000;
}
-int __res_msend(int nqueries, const unsigned char *const *queries,
- const int *qlens, unsigned char *const *answers, int *alens, int asize)
+int __res_msend_rc(int nqueries, const unsigned char *const *queries,
+ const int *qlens, unsigned char *const *answers, int *alens, int asize,
+ const struct resolvconf *conf)
{
int fd;
- FILE *f, _f;
- unsigned char _buf[256];
- char line[64], *s, *z;
- int timeout = 5000, attempts = 2, retry_interval, servfail_retry;
+ int timeout, attempts, retry_interval, servfail_retry;
union {
struct sockaddr_in sin;
struct sockaddr_in6 sin6;
- } sa = {0}, ns[3] = {{0}};
+ } sa = {0}, ns[MAXNS] = {{0}};
socklen_t sl = sizeof sa.sin;
int nns = 0;
int family = AF_INET;
@@ -48,57 +46,27 @@ int __res_msend(int nqueries, const unsi
int cs;
struct pollfd pfd;
unsigned long t0, t1, t2;
- struct address iplit;
pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs);
- /* Get nameservers from resolv.conf, fallback to localhost */
- f = __fopen_rb_ca("/etc/resolv.conf", &_f, _buf, sizeof _buf);
- if (f) for (nns=0; nns<3 && fgets(line, sizeof line, f); ) {
- if (!strncmp(line, "options", 7) && isspace(line[7])) {
- unsigned long x;
- char *p, *z;
- p = strstr(line, "timeout:");
- if (p && isdigit(p[8])) {
- p += 8;
- x = strtoul(p, &z, 10);
- if (z != p) timeout = x < 30 ? x*1000 : 30000;
- }
- p = strstr(line, "attempts:");
- if (p && isdigit(p[9])) {
- p += 9;
- x = strtoul(p, &z, 10);
- if (z != p) attempts = x < 10 ? x : 10;
- if (!attempts) attempts = 1;
- }
- }
- if (strncmp(line, "nameserver", 10) || !isspace(line[10]))
- continue;
- for (s=line+11; isspace(*s); s++);
- for (z=s; *z && !isspace(*z); z++);
- *z=0;
+ timeout = 1000*conf->timeout;
+ attempts = conf->attempts;
- if (__lookup_ipliteral(&iplit, s, AF_UNSPEC)>0) {
- if (iplit.family == AF_INET) {
- memcpy(&ns[nns].sin.sin_addr, iplit.addr, 4);
- ns[nns].sin.sin_port = htons(53);
- ns[nns++].sin.sin_family = AF_INET;
- } else {
- sl = sizeof sa.sin6;
- memcpy(&ns[nns].sin6.sin6_addr, iplit.addr, 16);
- ns[nns].sin6.sin6_port = htons(53);
- ns[nns].sin6.sin6_scope_id = iplit.scopeid;
- ns[nns++].sin6.sin6_family = family = AF_INET6;
- }
+ nns = conf->nns;
+ for (nns=0; nns<conf->nns; nns++) {
+ const struct address *iplit = &conf->ns[nns];
+ if (iplit->family == AF_INET) {
+ memcpy(&ns[nns].sin.sin_addr, iplit->addr, 4);
+ ns[nns].sin.sin_port = htons(53);
+ ns[nns].sin.sin_family = AF_INET;
+ } else {
+ sl = sizeof sa.sin6;
+ memcpy(&ns[nns].sin6.sin6_addr, iplit->addr, 16);
+ ns[nns].sin6.sin6_port = htons(53);
+ ns[nns].sin6.sin6_scope_id = iplit->scopeid;
+ ns[nns].sin6.sin6_family = family = AF_INET6;
}
}
- if (f) __fclose_ca(f);
- if (!nns) {
- ns[0].sin.sin_family = AF_INET;
- ns[0].sin.sin_port = htons(53);
- ns[0].sin.sin_addr.s_addr = htonl(0x7f000001);
- nns=1;
- }
/* Get local address and open/bind a socket */
sa.sin.sin_family = family;
@@ -207,3 +175,11 @@ out:
return 0;
}
+
+int __res_msend(int nqueries, const unsigned char *const *queries,
+ const int *qlens, unsigned char *const *answers, int *alens, int asize)
+{
+ struct resolvconf conf;
+ if (__get_resolv_conf(&conf, 0, 0) < 0) return -1;
+ return __res_msend_rc(nqueries, queries, qlens, answers, alens, asize, &conf);
+}
--- /dev/null
+++ b/src/network/resolvconf.c
@@ -0,0 +1,93 @@
+#include "lookup.h"
+#include "stdio_impl.h"
+#include <ctype.h>
+#include <errno.h>
+#include <string.h>
+#include <netinet/in.h>
+
+int __get_resolv_conf(struct resolvconf *conf, char *search, size_t search_sz)
+{
+ char line[256];
+ unsigned char _buf[256];
+ FILE *f, _f;
+ int nns = 0;
+
+ conf->ndots = 1;
+ conf->timeout = 5;
+ conf->attempts = 2;
+ if (search) *search = 0;
+
+ f = __fopen_rb_ca("/etc/resolv.conf", &_f, _buf, sizeof _buf);
+ if (!f) switch (errno) {
+ case ENOENT:
+ case ENOTDIR:
+ case EACCES:
+ goto no_resolv_conf;
+ default:
+ return -1;
+ }
+
+ while (fgets(line, sizeof line, f)) {
+ char *p, *z;
+ if (!strchr(line, '\n') && !feof(f)) {
+ /* Ignore lines that get truncated rather than
+ * potentially misinterpreting them. */
+ int c;
+ do c = getc(f);
+ while (c != '\n' && c != EOF);
+ continue;
+ }
+ if (!strncmp(line, "options", 7) && isspace(line[7])) {
+ p = strstr(line, "ndots:");
+ if (p && isdigit(p[6])) {
+ p += 6;
+ unsigned long x = strtoul(p, &z, 10);
+ if (z != p) conf->ndots = x > 15 ? 15 : x;
+ }
+ p = strstr(line, "attempts:");
+ if (p && isdigit(p[6])) {
+ p += 6;
+ unsigned long x = strtoul(p, &z, 10);
+ if (z != p) conf->attempts = x > 10 ? 10 : x;
+ }
+ p = strstr(line, "timeout:");
+ if (p && (isdigit(p[8]) || p[8]=='.')) {
+ p += 8;
+ unsigned long x = strtoul(p, &z, 10);
+ if (z != p) conf->timeout = x > 60 ? 60 : x;
+ }
+ continue;
+ }
+ if (!strncmp(line, "nameserver", 10) && isspace(line[10])) {
+ if (nns >= MAXNS) continue;
+ for (p=line+11; isspace(*p); p++);
+ for (z=p; *z && !isspace(*z); z++);
+ *z=0;
+ if (__lookup_ipliteral(conf->ns+nns, p, AF_UNSPEC) > 0)
+ nns++;
+ continue;
+ }
+
+ if (!search) continue;
+ if ((strncmp(line, "domain", 6) && strncmp(line, "search", 6))
+ || !isspace(line[6]))
+ continue;
+ for (p=line+7; isspace(*p); p++);
+ size_t l = strlen(p);
+ /* This can never happen anyway with chosen buffer sizes. */
+ if (l >= search_sz) continue;
+ memcpy(search, p, l+1);
+ }
+
+ __fclose_ca(f);
+
+no_resolv_conf:
+ if (!nns) {
+ __lookup_ipliteral(conf->ns, "127.0.0.1", AF_UNSPEC);
+ nns = 1;
+ }
+
+ conf->nns = nns;
+
+ return 0;
+}
--- a/src/search/tsearch_avl.c
+++ b/src/search/tsearch_avl.c
@@ -77,38 +77,45 @@ static struct node *find(struct node *n,
return find(n->right, k, cmp);
}
-static struct node *insert(struct node **n, const void *k,
- int (*cmp)(const void *, const void *), int *new)
+static struct node *insert(struct node *n, const void *k,
+ int (*cmp)(const void *, const void *), struct node **found)
{
- struct node *r = *n;
+ struct node *r;
int c;
- if (!r) {
- *n = r = malloc(sizeof **n);
- if (r) {
- r->key = k;
- r->left = r->right = 0;
- r->height = 1;
+ if (!n) {
+ n = malloc(sizeof *n);
+ if (n) {
+ n->key = k;
+ n->left = n->right = 0;
+ n->height = 1;
}
- *new = 1;
- return r;
+ *found = n;
+ return n;
+ }
+ c = cmp(k, n->key);
+ if (c == 0) {
+ *found = n;
+ return 0;
+ }
+ r = insert(c < 0 ? n->left : n->right, k, cmp, found);
+ if (r) {
+ if (c < 0)
+ n->left = r;
+ else
+ n->right = r;
+ r = balance(n);
}
- c = cmp(k, r->key);
- if (c == 0)
- return r;
- if (c < 0)
- r = insert(&r->left, k, cmp, new);
- else
- r = insert(&r->right, k, cmp, new);
- if (*new)
- *n = balance(*n);
return r;
}
-static struct node *movr(struct node *n, struct node *r) {
- if (!n)
- return r;
- n->right = movr(n->right, r);
+static struct node *remove_rightmost(struct node *n, struct node **rightmost)
+{
+ if (!n->right) {
+ *rightmost = n;
+ return n->left;
+ }
+ n->right = remove_rightmost(n->right, rightmost);
return balance(n);
}
@@ -122,7 +129,13 @@ static struct node *remove(struct node *
c = cmp(k, (*n)->key);
if (c == 0) {
struct node *r = *n;
- *n = movr(r->left, r->right);
+ if (r->left) {
+ r->left = remove_rightmost(r->left, n);
+ (*n)->left = r->left;
+ (*n)->right = r->right;
+ *n = balance(*n);
+ } else
+ *n = r->right;
free(r);
return parent;
}
@@ -138,6 +151,8 @@ static struct node *remove(struct node *
void *tdelete(const void *restrict key, void **restrict rootp,
int(*compar)(const void *, const void *))
{
+ if (!rootp)
+ return 0;
struct node *n = *rootp;
struct node *ret;
/* last argument is arbitrary non-null pointer
@@ -150,17 +165,21 @@ void *tdelete(const void *restrict key,
void *tfind(const void *key, void *const *rootp,
int(*compar)(const void *, const void *))
{
+ if (!rootp)
+ return 0;
return find(*rootp, key, compar);
}
void *tsearch(const void *key, void **rootp,
int (*compar)(const void *, const void *))
{
- int new = 0;
- struct node *n = *rootp;
+ struct node *update;
struct node *ret;
- ret = insert(&n, key, compar, &new);
- *rootp = n;
+ if (!rootp)
+ return 0;
+ update = insert(*rootp, key, compar, &ret);
+ if (update)
+ *rootp = update;
return ret;
}
--- a/src/setjmp/arm/longjmp.s
+++ b/src/setjmp/arm/longjmp.s
@@ -1,3 +1,4 @@
+.syntax unified
.global _longjmp
.global longjmp
.type _longjmp,%function
@@ -20,7 +21,11 @@ longjmp:
ldc p2, cr4, [ip], #48
2: tst r1,#0x40
beq 2f
- .word 0xecbc8b10 /* vldmia ip!, {d8-d15} */
+ .fpu vfp
+ vldmia ip!, {d8-d15}
+ .fpu softvfp
+ .eabi_attribute 10, 0
+ .eabi_attribute 27, 0
2: tst r1,#0x200
beq 3f
ldcl p1, cr10, [ip], #8
@@ -29,9 +34,7 @@ longjmp:
ldcl p1, cr13, [ip], #8
ldcl p1, cr14, [ip], #8
ldcl p1, cr15, [ip], #8
-3: tst lr,#1
- moveq pc,lr
- bx lr
+3: bx lr
.hidden __hwcap
1: .word __hwcap-1b
--- a/src/setjmp/arm/setjmp.s
+++ b/src/setjmp/arm/setjmp.s
@@ -1,3 +1,4 @@
+.syntax unified
.global __setjmp
.global _setjmp
.global setjmp
@@ -22,7 +23,11 @@ setjmp:
stc p2, cr4, [ip], #48
2: tst r1,#0x40
beq 2f
- .word 0xecac8b10 /* vstmia ip!, {d8-d15} */
+ .fpu vfp
+ vstmia ip!, {d8-d15}
+ .fpu softvfp
+ .eabi_attribute 10, 0
+ .eabi_attribute 27, 0
2: tst r1,#0x200
beq 3f
stcl p1, cr10, [ip], #8
@@ -31,9 +36,7 @@ setjmp:
stcl p1, cr13, [ip], #8
stcl p1, cr14, [ip], #8
stcl p1, cr15, [ip], #8
-3: tst lr,#1
- moveq pc,lr
- bx lr
+3: bx lr
.hidden __hwcap
1: .word __hwcap-1b
--- a/src/setjmp/mips-sf/longjmp.s
+++ /dev/null
@@ -1,25 +0,0 @@
-.set noreorder
-
-.global _longjmp
-.global longjmp
-.type _longjmp,@function
-.type longjmp,@function
-_longjmp:
-longjmp:
- move $2, $5
- bne $2, $0, 1f
- nop
- addu $2, $2, 1
-1: lw $ra, 0($4)
- lw $sp, 4($4)
- lw $16, 8($4)
- lw $17, 12($4)
- lw $18, 16($4)
- lw $19, 20($4)
- lw $20, 24($4)
- lw $21, 28($4)
- lw $22, 32($4)
- lw $23, 36($4)
- lw $30, 40($4)
- jr $ra
- lw $28, 44($4)
--- a/src/setjmp/mips-sf/longjmp.sub
+++ /dev/null
@@ -1 +0,0 @@
-longjmp.s
--- a/src/setjmp/mips-sf/setjmp.s
+++ /dev/null
@@ -1,25 +0,0 @@
-.set noreorder
-
-.global __setjmp
-.global _setjmp
-.global setjmp
-.type __setjmp,@function
-.type _setjmp,@function
-.type setjmp,@function
-__setjmp:
-_setjmp:
-setjmp:
- sw $ra, 0($4)
- sw $sp, 4($4)
- sw $16, 8($4)
- sw $17, 12($4)
- sw $18, 16($4)
- sw $19, 20($4)
- sw $20, 24($4)
- sw $21, 28($4)
- sw $22, 32($4)
- sw $23, 36($4)
- sw $30, 40($4)
- sw $28, 44($4)
- jr $ra
- li $2, 0
--- a/src/setjmp/mips-sf/setjmp.sub
+++ /dev/null
@@ -1 +0,0 @@
-setjmp.s
--- /dev/null
+++ b/src/setjmp/mips/longjmp.S
@@ -0,0 +1,40 @@
+.set noreorder
+
+.global _longjmp
+.global longjmp
+.type _longjmp,@function
+.type longjmp,@function
+_longjmp:
+longjmp:
+ move $2, $5
+ bne $2, $0, 1f
+ nop
+ addu $2, $2, 1
+1:
+#ifndef __mips_soft_float
+ lwc1 $20, 56($4)
+ lwc1 $21, 60($4)
+ lwc1 $22, 64($4)
+ lwc1 $23, 68($4)
+ lwc1 $24, 72($4)
+ lwc1 $25, 76($4)
+ lwc1 $26, 80($4)
+ lwc1 $27, 84($4)
+ lwc1 $28, 88($4)
+ lwc1 $29, 92($4)
+ lwc1 $30, 96($4)
+ lwc1 $31, 100($4)
+#endif
+ lw $ra, 0($4)
+ lw $sp, 4($4)
+ lw $16, 8($4)
+ lw $17, 12($4)
+ lw $18, 16($4)
+ lw $19, 20($4)
+ lw $20, 24($4)
+ lw $21, 28($4)
+ lw $22, 32($4)
+ lw $23, 36($4)
+ lw $30, 40($4)
+ jr $ra
+ lw $28, 44($4)
--- a/src/setjmp/mips/longjmp.s
+++ /dev/null
@@ -1,37 +0,0 @@
-.set noreorder
-
-.global _longjmp
-.global longjmp
-.type _longjmp,@function
-.type longjmp,@function
-_longjmp:
-longjmp:
- move $2, $5
- bne $2, $0, 1f
- nop
- addu $2, $2, 1
-1: lwc1 $20, 56($4)
- lwc1 $21, 60($4)
- lwc1 $22, 64($4)
- lwc1 $23, 68($4)
- lwc1 $24, 72($4)
- lwc1 $25, 76($4)
- lwc1 $26, 80($4)
- lwc1 $27, 84($4)
- lwc1 $28, 88($4)
- lwc1 $29, 92($4)
- lwc1 $30, 96($4)
- lwc1 $31, 100($4)
- lw $ra, 0($4)
- lw $sp, 4($4)
- lw $16, 8($4)
- lw $17, 12($4)
- lw $18, 16($4)
- lw $19, 20($4)
- lw $20, 24($4)
- lw $21, 28($4)
- lw $22, 32($4)
- lw $23, 36($4)
- lw $30, 40($4)
- jr $ra
- lw $28, 44($4)
--- /dev/null
+++ b/src/setjmp/mips/setjmp.S
@@ -0,0 +1,39 @@
+.set noreorder
+
+.global __setjmp
+.global _setjmp
+.global setjmp
+.type __setjmp,@function
+.type _setjmp,@function
+.type setjmp,@function
+__setjmp:
+_setjmp:
+setjmp:
+ sw $ra, 0($4)
+ sw $sp, 4($4)
+ sw $16, 8($4)
+ sw $17, 12($4)
+ sw $18, 16($4)
+ sw $19, 20($4)
+ sw $20, 24($4)
+ sw $21, 28($4)
+ sw $22, 32($4)
+ sw $23, 36($4)
+ sw $30, 40($4)
+ sw $28, 44($4)
+#ifndef __mips_soft_float
+ swc1 $20, 56($4)
+ swc1 $21, 60($4)
+ swc1 $22, 64($4)
+ swc1 $23, 68($4)
+ swc1 $24, 72($4)
+ swc1 $25, 76($4)
+ swc1 $26, 80($4)
+ swc1 $27, 84($4)
+ swc1 $28, 88($4)
+ swc1 $29, 92($4)
+ swc1 $30, 96($4)
+ swc1 $31, 100($4)
+#endif
+ jr $ra
+ li $2, 0
--- a/src/setjmp/mips/setjmp.s
+++ /dev/null
@@ -1,37 +0,0 @@
-.set noreorder
-
-.global __setjmp
-.global _setjmp
-.global setjmp
-.type __setjmp,@function
-.type _setjmp,@function
-.type setjmp,@function
-__setjmp:
-_setjmp:
-setjmp:
- sw $ra, 0($4)
- sw $sp, 4($4)
- sw $16, 8($4)
- sw $17, 12($4)
- sw $18, 16($4)
- sw $19, 20($4)
- sw $20, 24($4)
- sw $21, 28($4)
- sw $22, 32($4)
- sw $23, 36($4)
- sw $30, 40($4)
- sw $28, 44($4)
- swc1 $20, 56($4)
- swc1 $21, 60($4)
- swc1 $22, 64($4)
- swc1 $23, 68($4)
- swc1 $24, 72($4)
- swc1 $25, 76($4)
- swc1 $26, 80($4)
- swc1 $27, 84($4)
- swc1 $28, 88($4)
- swc1 $29, 92($4)
- swc1 $30, 96($4)
- swc1 $31, 100($4)
- jr $ra
- li $2, 0
--- a/src/setjmp/mipsel-sf/longjmp.sub
+++ /dev/null
@@ -1 +0,0 @@
-../mips-sf/longjmp.s
--- a/src/setjmp/mipsel-sf/setjmp.sub
+++ /dev/null
@@ -1 +0,0 @@
-../mips-sf/setjmp.s
--- a/src/setjmp/sh-nofpu/longjmp.s
+++ /dev/null
@@ -1,22 +0,0 @@
-.global _longjmp
-.global longjmp
-.type _longjmp, @function
-.type longjmp, @function
-_longjmp:
-longjmp:
- mov.l @r4+, r8
- mov.l @r4+, r9
- mov.l @r4+, r10
- mov.l @r4+, r11
- mov.l @r4+, r12
- mov.l @r4+, r13
- mov.l @r4+, r14
- mov.l @r4+, r15
- lds.l @r4+, pr
-
- tst r5, r5
- movt r0
- add r5, r0
-
- rts
- nop
--- a/src/setjmp/sh-nofpu/longjmp.sub
+++ /dev/null
@@ -1 +0,0 @@
-longjmp.s
--- a/src/setjmp/sh-nofpu/setjmp.s
+++ /dev/null
@@ -1,24 +0,0 @@
-.global ___setjmp
-.hidden ___setjmp
-.global __setjmp
-.global _setjmp
-.global setjmp
-.type __setjmp, @function
-.type _setjmp, @function
-.type setjmp, @function
-___setjmp:
-__setjmp:
-_setjmp:
-setjmp:
- add #36, r4
- sts.l pr, @-r4
- mov.l r15 @-r4
- mov.l r14, @-r4
- mov.l r13, @-r4
- mov.l r12, @-r4
- mov.l r11, @-r4
- mov.l r10, @-r4
- mov.l r9, @-r4
- mov.l r8, @-r4
- rts
- mov #0, r0
--- a/src/setjmp/sh-nofpu/setjmp.sub
+++ /dev/null
@@ -1 +0,0 @@
-setjmp.s
--- /dev/null
+++ b/src/setjmp/sh/longjmp.S
@@ -0,0 +1,28 @@
+.global _longjmp
+.global longjmp
+.type _longjmp, @function
+.type longjmp, @function
+_longjmp:
+longjmp:
+ mov.l @r4+, r8
+ mov.l @r4+, r9
+ mov.l @r4+, r10
+ mov.l @r4+, r11
+ mov.l @r4+, r12
+ mov.l @r4+, r13
+ mov.l @r4+, r14
+ mov.l @r4+, r15
+ lds.l @r4+, pr
+#if __SH_FPU_ANY__ || __SH4__
+ fmov.s @r4+, fr12
+ fmov.s @r4+, fr13
+ fmov.s @r4+, fr14
+ fmov.s @r4+, fr15
+#endif
+
+ tst r5, r5
+ movt r0
+ add r5, r0
+
+ rts
+ nop
--- a/src/setjmp/sh/longjmp.s
+++ /dev/null
@@ -1,26 +0,0 @@
-.global _longjmp
-.global longjmp
-.type _longjmp, @function
-.type longjmp, @function
-_longjmp:
-longjmp:
- mov.l @r4+, r8
- mov.l @r4+, r9
- mov.l @r4+, r10
- mov.l @r4+, r11
- mov.l @r4+, r12
- mov.l @r4+, r13
- mov.l @r4+, r14
- mov.l @r4+, r15
- lds.l @r4+, pr
- fmov.s @r4+, fr12
- fmov.s @r4+, fr13
- fmov.s @r4+, fr14
- fmov.s @r4+, fr15
-
- tst r5, r5
- movt r0
- add r5, r0
-
- rts
- nop
--- /dev/null
+++ b/src/setjmp/sh/setjmp.S
@@ -0,0 +1,32 @@
+.global ___setjmp
+.hidden ___setjmp
+.global __setjmp
+.global _setjmp
+.global setjmp
+.type __setjmp, @function
+.type _setjmp, @function
+.type setjmp, @function
+___setjmp:
+__setjmp:
+_setjmp:
+setjmp:
+#if __SH_FPU_ANY__ || __SH4__
+ add #52, r4
+ fmov.s fr15, @-r4
+ fmov.s fr14, @-r4
+ fmov.s fr13, @-r4
+ fmov.s fr12, @-r4
+#else
+ add #36, r4
+#endif
+ sts.l pr, @-r4
+ mov.l r15, @-r4
+ mov.l r14, @-r4
+ mov.l r13, @-r4
+ mov.l r12, @-r4
+ mov.l r11, @-r4
+ mov.l r10, @-r4
+ mov.l r9, @-r4
+ mov.l r8, @-r4
+ rts
+ mov #0, r0
--- a/src/setjmp/sh/setjmp.s
+++ /dev/null
@@ -1,28 +0,0 @@
-.global ___setjmp
-.hidden ___setjmp
-.global __setjmp
-.global _setjmp
-.global setjmp
-.type __setjmp, @function
-.type _setjmp, @function
-.type setjmp, @function
-___setjmp:
-__setjmp:
-_setjmp:
-setjmp:
- add #52, r4
- fmov.s fr15, @-r4
- fmov.s fr14, @-r4
- fmov.s fr13, @-r4
- fmov.s fr12, @-r4
- sts.l pr, @-r4
- mov.l r15, @-r4
- mov.l r14, @-r4
- mov.l r13, @-r4
- mov.l r12, @-r4
- mov.l r11, @-r4
- mov.l r10, @-r4
- mov.l r9, @-r4
- mov.l r8, @-r4
- rts
- mov #0, r0
--- a/src/setjmp/sheb-nofpu/longjmp.sub
+++ /dev/null
@@ -1 +0,0 @@
-../sh-nofpu/longjmp.s
--- a/src/setjmp/sheb-nofpu/setjmp.sub
+++ /dev/null
@@ -1 +0,0 @@
-../sh-nofpu/setjmp.s
--- a/src/signal/arm/restore.s
+++ b/src/signal/arm/restore.s
@@ -1,3 +1,5 @@
+.syntax unified
+
.global __restore
.type __restore,%function
__restore:
--- a/src/signal/arm/sigsetjmp.s
+++ b/src/signal/arm/sigsetjmp.s
@@ -1,3 +1,4 @@
+.syntax unified
.global sigsetjmp
.global __sigsetjmp
.type sigsetjmp,%function
--- a/src/signal/sigaction.c
+++ b/src/signal/sigaction.c
@@ -17,10 +17,6 @@ void __get_handler_set(sigset_t *set)
int __libc_sigaction(int sig, const struct sigaction *restrict sa, struct sigaction *restrict old)
{
struct k_sigaction ksa, ksa_old;
- if (sig >= (unsigned)_NSIG) {
- errno = EINVAL;
- return -1;
- }
if (sa) {
if ((uintptr_t)sa->sa_handler > 1UL) {
a_or_l(handler_set+(sig-1)/(8*sizeof(long)),
@@ -57,7 +53,7 @@ int __libc_sigaction(int sig, const stru
int __sigaction(int sig, const struct sigaction *restrict sa, struct sigaction *restrict old)
{
- if (sig-32U < 3) {
+ if (sig-32U < 3 || sig-1U >= _NSIG-1) {
errno = EINVAL;
return -1;
}
--- a/src/signal/sigsetjmp_tail.c
+++ b/src/signal/sigsetjmp_tail.c
@@ -2,9 +2,7 @@
#include <signal.h>
#include "syscall.h"
-#ifdef SHARED
__attribute__((__visibility__("hidden")))
-#endif
int __sigsetjmp_tail(sigjmp_buf jb, int ret)
{
void *p = jb->__ss;
--- a/src/stdio/getdelim.c
+++ b/src/stdio/getdelim.c
@@ -27,17 +27,18 @@ ssize_t getdelim(char **restrict s, size
for (;;) {
z = memchr(f->rpos, delim, f->rend - f->rpos);
k = z ? z - f->rpos + 1 : f->rend - f->rpos;
- if (i+k >= *n) {
+ if (i+k+1 >= *n) {
if (k >= SIZE_MAX/2-i) goto oom;
- *n = i+k+2;
- if (*n < SIZE_MAX/4) *n *= 2;
- tmp = realloc(*s, *n);
+ size_t m = i+k+2;
+ if (!z && m < SIZE_MAX/4) m += m/2;
+ tmp = realloc(*s, m);
if (!tmp) {
- *n = i+k+2;
- tmp = realloc(*s, *n);
+ m = i+k+2;
+ tmp = realloc(*s, m);
if (!tmp) goto oom;
}
*s = tmp;
+ *n = m;
}
memcpy(*s+i, f->rpos, k);
f->rpos += k;
--- /dev/null
+++ b/src/string/arm/__aeabi_memclr.c
@@ -0,0 +1,9 @@
+#include <string.h>
+#include "libc.h"
+
+void __aeabi_memclr(void *dest, size_t n)
+{
+ memset(dest, 0, n);
+}
+weak_alias(__aeabi_memclr, __aeabi_memclr4);
+weak_alias(__aeabi_memclr, __aeabi_memclr8);
--- /dev/null
+++ b/src/string/arm/__aeabi_memcpy.c
@@ -0,0 +1,9 @@
+#include <string.h>
+#include "libc.h"
+
+void __aeabi_memcpy(void *restrict dest, const void *restrict src, size_t n)
+{
+ memcpy(dest, src, n);
+}
+weak_alias(__aeabi_memcpy, __aeabi_memcpy4);
+weak_alias(__aeabi_memcpy, __aeabi_memcpy8);
--- /dev/null
+++ b/src/string/arm/__aeabi_memmove.c
@@ -0,0 +1,9 @@
+#include <string.h>
+#include "libc.h"
+
+void __aeabi_memmove(void *dest, const void *src, size_t n)
+{
+ memmove(dest, src, n);
+}
+weak_alias(__aeabi_memmove, __aeabi_memmove4);
+weak_alias(__aeabi_memmove, __aeabi_memmove8);
--- /dev/null
+++ b/src/string/arm/__aeabi_memset.c
@@ -0,0 +1,9 @@
+#include <string.h>
+#include "libc.h"
+
+void __aeabi_memset(void *dest, size_t n, int c)
+{
+ memset(dest, c, n);
+}
+weak_alias(__aeabi_memset, __aeabi_memset4);
+weak_alias(__aeabi_memset, __aeabi_memset8);
--- /dev/null
+++ b/src/string/arm/memcpy.c
@@ -0,0 +1,3 @@
+#if __ARMEB__
+#include "../memcpy.c"
+#endif
--- /dev/null
+++ b/src/string/arm/memcpy_le.S
@@ -0,0 +1,383 @@
+#ifndef __ARMEB__
+
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+
+/*
+ * Optimized memcpy() for ARM.
+ *
+ * note that memcpy() always returns the destination pointer,
+ * so we have to preserve R0.
+ */
+
+/*
+ * This file has been modified from the original for use in musl libc.
+ * The main changes are: addition of .type memcpy,%function to make the
+ * code safely callable from thumb mode, adjusting the return
+ * instructions to be compatible with pre-thumb ARM cpus, and removal
+ * of prefetch code that is not compatible with older cpus.
+ */
+
+.syntax unified
+
+.global memcpy
+.type memcpy,%function
+memcpy:
+ /* The stack must always be 64-bits aligned to be compliant with the
+ * ARM ABI. Since we have to save R0, we might as well save R4
+ * which we can use for better pipelining of the reads below
+ */
+ .fnstart
+ .save {r0, r4, lr}
+ stmfd sp!, {r0, r4, lr}
+ /* Making room for r5-r11 which will be spilled later */
+ .pad #28
+ sub sp, sp, #28
+
+ /* it simplifies things to take care of len<4 early */
+ cmp r2, #4
+ blo copy_last_3_and_return
+
+ /* compute the offset to align the source
+ * offset = (4-(src&3))&3 = -src & 3
+ */
+ rsb r3, r1, #0
+ ands r3, r3, #3
+ beq src_aligned
+
+ /* align source to 32 bits. We need to insert 2 instructions between
+ * a ldr[b|h] and str[b|h] because byte and half-word instructions
+ * stall 2 cycles.
+ */
+ movs r12, r3, lsl #31
+ sub r2, r2, r3 /* we know that r3 <= r2 because r2 >= 4 */
+ ldrbmi r3, [r1], #1
+ ldrbcs r4, [r1], #1
+ ldrbcs r12,[r1], #1
+ strbmi r3, [r0], #1
+ strbcs r4, [r0], #1
+ strbcs r12,[r0], #1
+
+src_aligned:
+
+ /* see if src and dst are aligned together (congruent) */
+ eor r12, r0, r1
+ tst r12, #3
+ bne non_congruent
+
+ /* Use post-incriment mode for stm to spill r5-r11 to reserved stack
+ * frame. Don't update sp.
+ */
+ stmea sp, {r5-r11}
+
+ /* align the destination to a cache-line */
+ rsb r3, r0, #0
+ ands r3, r3, #0x1C
+ beq congruent_aligned32
+ cmp r3, r2
+ andhi r3, r2, #0x1C
+
+ /* conditionnaly copies 0 to 7 words (length in r3) */
+ movs r12, r3, lsl #28
+ ldmcs r1!, {r4, r5, r6, r7} /* 16 bytes */
+ ldmmi r1!, {r8, r9} /* 8 bytes */
+ stmcs r0!, {r4, r5, r6, r7}
+ stmmi r0!, {r8, r9}
+ tst r3, #0x4
+ ldrne r10,[r1], #4 /* 4 bytes */
+ strne r10,[r0], #4
+ sub r2, r2, r3
+
+congruent_aligned32:
+ /*
+ * here source is aligned to 32 bytes.
+ */
+
+cached_aligned32:
+ subs r2, r2, #32
+ blo less_than_32_left
+
+ /*
+ * We preload a cache-line up to 64 bytes ahead. On the 926, this will
+ * stall only until the requested world is fetched, but the linefill
+ * continues in the the background.
+ * While the linefill is going, we write our previous cache-line
+ * into the write-buffer (which should have some free space).
+ * When the linefill is done, the writebuffer will
+ * start dumping its content into memory
+ *
+ * While all this is going, we then load a full cache line into
+ * 8 registers, this cache line should be in the cache by now
+ * (or partly in the cache).
+ *
+ * This code should work well regardless of the source/dest alignment.
+ *
+ */
+
+ /* Align the preload register to a cache-line because the cpu does
+ * "critical word first" (the first word requested is loaded first).
+ */
+ @ bic r12, r1, #0x1F
+ @ add r12, r12, #64
+
+1: ldmia r1!, { r4-r11 }
+ subs r2, r2, #32
+
+ /*
+ * NOTE: if r12 is more than 64 ahead of r1, the following ldrhi
+ * for ARM9 preload will not be safely guarded by the preceding subs.
+ * When it is safely guarded the only possibility to have SIGSEGV here
+ * is because the caller overstates the length.
+ */
+ @ ldrhi r3, [r12], #32 /* cheap ARM9 preload */
+ stmia r0!, { r4-r11 }
+ bhs 1b
+
+ add r2, r2, #32
+
+less_than_32_left:
+ /*
+ * less than 32 bytes left at this point (length in r2)
+ */
+
+ /* skip all this if there is nothing to do, which should
+ * be a common case (if not executed the code below takes
+ * about 16 cycles)
+ */
+ tst r2, #0x1F
+ beq 1f
+
+ /* conditionnaly copies 0 to 31 bytes */
+ movs r12, r2, lsl #28
+ ldmcs r1!, {r4, r5, r6, r7} /* 16 bytes */
+ ldmmi r1!, {r8, r9} /* 8 bytes */
+ stmcs r0!, {r4, r5, r6, r7}
+ stmmi r0!, {r8, r9}
+ movs r12, r2, lsl #30
+ ldrcs r3, [r1], #4 /* 4 bytes */
+ ldrhmi r4, [r1], #2 /* 2 bytes */
+ strcs r3, [r0], #4
+ strhmi r4, [r0], #2
+ tst r2, #0x1
+ ldrbne r3, [r1] /* last byte */
+ strbne r3, [r0]
+
+ /* we're done! restore everything and return */
+1: ldmfd sp!, {r5-r11}
+ ldmfd sp!, {r0, r4, lr}
+ bx lr
+
+ /********************************************************************/
+
+non_congruent:
+ /*
+ * here source is aligned to 4 bytes
+ * but destination is not.
+ *
+ * in the code below r2 is the number of bytes read
+ * (the number of bytes written is always smaller, because we have
+ * partial words in the shift queue)
+ */
+ cmp r2, #4
+ blo copy_last_3_and_return
+
+ /* Use post-incriment mode for stm to spill r5-r11 to reserved stack
+ * frame. Don't update sp.
+ */
+ stmea sp, {r5-r11}
+
+ /* compute shifts needed to align src to dest */
+ rsb r5, r0, #0
+ and r5, r5, #3 /* r5 = # bytes in partial words */
+ mov r12, r5, lsl #3 /* r12 = right */
+ rsb lr, r12, #32 /* lr = left */
+
+ /* read the first word */
+ ldr r3, [r1], #4
+ sub r2, r2, #4
+
+ /* write a partial word (0 to 3 bytes), such that destination
+ * becomes aligned to 32 bits (r5 = nb of words to copy for alignment)
+ */
+ movs r5, r5, lsl #31
+ strbmi r3, [r0], #1
+ movmi r3, r3, lsr #8
+ strbcs r3, [r0], #1
+ movcs r3, r3, lsr #8
+ strbcs r3, [r0], #1
+ movcs r3, r3, lsr #8
+
+ cmp r2, #4
+ blo partial_word_tail
+
+ /* Align destination to 32 bytes (cache line boundary) */
+1: tst r0, #0x1c
+ beq 2f
+ ldr r5, [r1], #4
+ sub r2, r2, #4
+ orr r4, r3, r5, lsl lr
+ mov r3, r5, lsr r12
+ str r4, [r0], #4
+ cmp r2, #4
+ bhs 1b
+ blo partial_word_tail
+
+ /* copy 32 bytes at a time */
+2: subs r2, r2, #32
+ blo less_than_thirtytwo
+
+ /* Use immediate mode for the shifts, because there is an extra cycle
+ * for register shifts, which could account for up to 50% of
+ * performance hit.
+ */
+
+ cmp r12, #24
+ beq loop24
+ cmp r12, #8
+ beq loop8
+
+loop16:
+ ldr r12, [r1], #4
+1: mov r4, r12
+ ldmia r1!, { r5,r6,r7, r8,r9,r10,r11}
+ subs r2, r2, #32
+ ldrhs r12, [r1], #4
+ orr r3, r3, r4, lsl #16
+ mov r4, r4, lsr #16
+ orr r4, r4, r5, lsl #16
+ mov r5, r5, lsr #16
+ orr r5, r5, r6, lsl #16
+ mov r6, r6, lsr #16
+ orr r6, r6, r7, lsl #16
+ mov r7, r7, lsr #16
+ orr r7, r7, r8, lsl #16
+ mov r8, r8, lsr #16
+ orr r8, r8, r9, lsl #16
+ mov r9, r9, lsr #16
+ orr r9, r9, r10, lsl #16
+ mov r10, r10, lsr #16
+ orr r10, r10, r11, lsl #16
+ stmia r0!, {r3,r4,r5,r6, r7,r8,r9,r10}
+ mov r3, r11, lsr #16
+ bhs 1b
+ b less_than_thirtytwo
+
+loop8:
+ ldr r12, [r1], #4
+1: mov r4, r12
+ ldmia r1!, { r5,r6,r7, r8,r9,r10,r11}
+ subs r2, r2, #32
+ ldrhs r12, [r1], #4
+ orr r3, r3, r4, lsl #24
+ mov r4, r4, lsr #8
+ orr r4, r4, r5, lsl #24
+ mov r5, r5, lsr #8
+ orr r5, r5, r6, lsl #24
+ mov r6, r6, lsr #8
+ orr r6, r6, r7, lsl #24
+ mov r7, r7, lsr #8
+ orr r7, r7, r8, lsl #24
+ mov r8, r8, lsr #8
+ orr r8, r8, r9, lsl #24
+ mov r9, r9, lsr #8
+ orr r9, r9, r10, lsl #24
+ mov r10, r10, lsr #8
+ orr r10, r10, r11, lsl #24
+ stmia r0!, {r3,r4,r5,r6, r7,r8,r9,r10}
+ mov r3, r11, lsr #8
+ bhs 1b
+ b less_than_thirtytwo
+
+loop24:
+ ldr r12, [r1], #4
+1: mov r4, r12
+ ldmia r1!, { r5,r6,r7, r8,r9,r10,r11}
+ subs r2, r2, #32
+ ldrhs r12, [r1], #4
+ orr r3, r3, r4, lsl #8
+ mov r4, r4, lsr #24
+ orr r4, r4, r5, lsl #8
+ mov r5, r5, lsr #24
+ orr r5, r5, r6, lsl #8
+ mov r6, r6, lsr #24
+ orr r6, r6, r7, lsl #8
+ mov r7, r7, lsr #24
+ orr r7, r7, r8, lsl #8
+ mov r8, r8, lsr #24
+ orr r8, r8, r9, lsl #8
+ mov r9, r9, lsr #24
+ orr r9, r9, r10, lsl #8
+ mov r10, r10, lsr #24
+ orr r10, r10, r11, lsl #8
+ stmia r0!, {r3,r4,r5,r6, r7,r8,r9,r10}
+ mov r3, r11, lsr #24
+ bhs 1b
+
+less_than_thirtytwo:
+ /* copy the last 0 to 31 bytes of the source */
+ rsb r12, lr, #32 /* we corrupted r12, recompute it */
+ add r2, r2, #32
+ cmp r2, #4
+ blo partial_word_tail
+
+1: ldr r5, [r1], #4
+ sub r2, r2, #4
+ orr r4, r3, r5, lsl lr
+ mov r3, r5, lsr r12
+ str r4, [r0], #4
+ cmp r2, #4
+ bhs 1b
+
+partial_word_tail:
+ /* we have a partial word in the input buffer */
+ movs r5, lr, lsl #(31-3)
+ strbmi r3, [r0], #1
+ movmi r3, r3, lsr #8
+ strbcs r3, [r0], #1
+ movcs r3, r3, lsr #8
+ strbcs r3, [r0], #1
+
+ /* Refill spilled registers from the stack. Don't update sp. */
+ ldmfd sp, {r5-r11}
+
+copy_last_3_and_return:
+ movs r2, r2, lsl #31 /* copy remaining 0, 1, 2 or 3 bytes */
+ ldrbmi r2, [r1], #1
+ ldrbcs r3, [r1], #1
+ ldrbcs r12,[r1]
+ strbmi r2, [r0], #1
+ strbcs r3, [r0], #1
+ strbcs r12,[r0]
+
+ /* we're done! restore sp and spilled registers and return */
+ add sp, sp, #28
+ ldmfd sp!, {r0, r4, lr}
+ bx lr
+
+#endif
--- a/src/string/armel/memcpy.s
+++ /dev/null
@@ -1,381 +0,0 @@
-/*
- * Copyright (C) 2008 The Android Open Source Project
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-
-/*
- * Optimized memcpy() for ARM.
- *
- * note that memcpy() always returns the destination pointer,
- * so we have to preserve R0.
- */
-
-/*
- * This file has been modified from the original for use in musl libc.
- * The main changes are: addition of .type memcpy,%function to make the
- * code safely callable from thumb mode, adjusting the return
- * instructions to be compatible with pre-thumb ARM cpus, and removal
- * of prefetch code that is not compatible with older cpus.
- */
-
-.global memcpy
-.type memcpy,%function
-memcpy:
- /* The stack must always be 64-bits aligned to be compliant with the
- * ARM ABI. Since we have to save R0, we might as well save R4
- * which we can use for better pipelining of the reads below
- */
- .fnstart
- .save {r0, r4, lr}
- stmfd sp!, {r0, r4, lr}
- /* Making room for r5-r11 which will be spilled later */
- .pad #28
- sub sp, sp, #28
-
- /* it simplifies things to take care of len<4 early */
- cmp r2, #4
- blo copy_last_3_and_return
-
- /* compute the offset to align the source
- * offset = (4-(src&3))&3 = -src & 3
- */
- rsb r3, r1, #0
- ands r3, r3, #3
- beq src_aligned
-
- /* align source to 32 bits. We need to insert 2 instructions between
- * a ldr[b|h] and str[b|h] because byte and half-word instructions
- * stall 2 cycles.
- */
- movs r12, r3, lsl #31
- sub r2, r2, r3 /* we know that r3 <= r2 because r2 >= 4 */
- .word 0x44d13001 /* ldrbmi r3, [r1], #1 */
- .word 0x24d14001 /* ldrbcs r4, [r1], #1 */
- .word 0x24d1c001 /* ldrbcs r12,[r1], #1 */
- .word 0x44c03001 /* strbmi r3, [r0], #1 */
- .word 0x24c04001 /* strbcs r4, [r0], #1 */
- .word 0x24c0c001 /* strbcs r12,[r0], #1 */
-
-src_aligned:
-
- /* see if src and dst are aligned together (congruent) */
- eor r12, r0, r1
- tst r12, #3
- bne non_congruent
-
- /* Use post-incriment mode for stm to spill r5-r11 to reserved stack
- * frame. Don't update sp.
- */
- stmea sp, {r5-r11}
-
- /* align the destination to a cache-line */
- rsb r3, r0, #0
- ands r3, r3, #0x1C
- beq congruent_aligned32
- cmp r3, r2
- andhi r3, r2, #0x1C
-
- /* conditionnaly copies 0 to 7 words (length in r3) */
- movs r12, r3, lsl #28
- ldmcs r1!, {r4, r5, r6, r7} /* 16 bytes */
- ldmmi r1!, {r8, r9} /* 8 bytes */
- stmcs r0!, {r4, r5, r6, r7}
- stmmi r0!, {r8, r9}
- tst r3, #0x4
- ldrne r10,[r1], #4 /* 4 bytes */
- strne r10,[r0], #4
- sub r2, r2, r3
-
-congruent_aligned32:
- /*
- * here source is aligned to 32 bytes.
- */
-
-cached_aligned32:
- subs r2, r2, #32
- blo less_than_32_left
-
- /*
- * We preload a cache-line up to 64 bytes ahead. On the 926, this will
- * stall only until the requested world is fetched, but the linefill
- * continues in the the background.
- * While the linefill is going, we write our previous cache-line
- * into the write-buffer (which should have some free space).
- * When the linefill is done, the writebuffer will
- * start dumping its content into memory
- *
- * While all this is going, we then load a full cache line into
- * 8 registers, this cache line should be in the cache by now
- * (or partly in the cache).
- *
- * This code should work well regardless of the source/dest alignment.
- *
- */
-
- /* Align the preload register to a cache-line because the cpu does
- * "critical word first" (the first word requested is loaded first).
- */
- @ bic r12, r1, #0x1F
- @ add r12, r12, #64
-
-1: ldmia r1!, { r4-r11 }
- subs r2, r2, #32
-
- /*
- * NOTE: if r12 is more than 64 ahead of r1, the following ldrhi
- * for ARM9 preload will not be safely guarded by the preceding subs.
- * When it is safely guarded the only possibility to have SIGSEGV here
- * is because the caller overstates the length.
- */
- @ ldrhi r3, [r12], #32 /* cheap ARM9 preload */
- stmia r0!, { r4-r11 }
- bhs 1b
-
- add r2, r2, #32
-
-less_than_32_left:
- /*
- * less than 32 bytes left at this point (length in r2)
- */
-
- /* skip all this if there is nothing to do, which should
- * be a common case (if not executed the code below takes
- * about 16 cycles)
- */
- tst r2, #0x1F
- beq 1f
-
- /* conditionnaly copies 0 to 31 bytes */
- movs r12, r2, lsl #28
- ldmcs r1!, {r4, r5, r6, r7} /* 16 bytes */
- ldmmi r1!, {r8, r9} /* 8 bytes */
- stmcs r0!, {r4, r5, r6, r7}
- stmmi r0!, {r8, r9}
- movs r12, r2, lsl #30
- ldrcs r3, [r1], #4 /* 4 bytes */
- .word 0x40d140b2 /* ldrhmi r4, [r1], #2 */ /* 2 bytes */
- strcs r3, [r0], #4
- .word 0x40c040b2 /* strhmi r4, [r0], #2 */
- tst r2, #0x1
- .word 0x15d13000 /* ldrbne r3, [r1] */ /* last byte */
- .word 0x15c03000 /* strbne r3, [r0] */
-
- /* we're done! restore everything and return */
-1: ldmfd sp!, {r5-r11}
- ldmfd sp!, {r0, r4, lr}
- tst lr, #1
- moveq pc, lr
- bx lr
-
- /********************************************************************/
-
-non_congruent:
- /*
- * here source is aligned to 4 bytes
- * but destination is not.
- *
- * in the code below r2 is the number of bytes read
- * (the number of bytes written is always smaller, because we have
- * partial words in the shift queue)
- */
- cmp r2, #4
- blo copy_last_3_and_return
-
- /* Use post-incriment mode for stm to spill r5-r11 to reserved stack
- * frame. Don't update sp.
- */
- stmea sp, {r5-r11}
-
- /* compute shifts needed to align src to dest */
- rsb r5, r0, #0
- and r5, r5, #3 /* r5 = # bytes in partial words */
- mov r12, r5, lsl #3 /* r12 = right */
- rsb lr, r12, #32 /* lr = left */
-
- /* read the first word */
- ldr r3, [r1], #4
- sub r2, r2, #4
-
- /* write a partial word (0 to 3 bytes), such that destination
- * becomes aligned to 32 bits (r5 = nb of words to copy for alignment)
- */
- movs r5, r5, lsl #31
- .word 0x44c03001 /* strbmi r3, [r0], #1 */
- movmi r3, r3, lsr #8
- .word 0x24c03001 /* strbcs r3, [r0], #1 */
- movcs r3, r3, lsr #8
- .word 0x24c03001 /* strbcs r3, [r0], #1 */
- movcs r3, r3, lsr #8
-
- cmp r2, #4
- blo partial_word_tail
-
- /* Align destination to 32 bytes (cache line boundary) */
-1: tst r0, #0x1c
- beq 2f
- ldr r5, [r1], #4
- sub r2, r2, #4
- orr r4, r3, r5, lsl lr
- mov r3, r5, lsr r12
- str r4, [r0], #4
- cmp r2, #4
- bhs 1b
- blo partial_word_tail
-
- /* copy 32 bytes at a time */
-2: subs r2, r2, #32
- blo less_than_thirtytwo
-
- /* Use immediate mode for the shifts, because there is an extra cycle
- * for register shifts, which could account for up to 50% of
- * performance hit.
- */
-
- cmp r12, #24
- beq loop24
- cmp r12, #8
- beq loop8
-
-loop16:
- ldr r12, [r1], #4
-1: mov r4, r12
- ldmia r1!, { r5,r6,r7, r8,r9,r10,r11}
- subs r2, r2, #32
- ldrhs r12, [r1], #4
- orr r3, r3, r4, lsl #16
- mov r4, r4, lsr #16
- orr r4, r4, r5, lsl #16
- mov r5, r5, lsr #16
- orr r5, r5, r6, lsl #16
- mov r6, r6, lsr #16
- orr r6, r6, r7, lsl #16
- mov r7, r7, lsr #16
- orr r7, r7, r8, lsl #16
- mov r8, r8, lsr #16
- orr r8, r8, r9, lsl #16
- mov r9, r9, lsr #16
- orr r9, r9, r10, lsl #16
- mov r10, r10, lsr #16
- orr r10, r10, r11, lsl #16
- stmia r0!, {r3,r4,r5,r6, r7,r8,r9,r10}
- mov r3, r11, lsr #16
- bhs 1b
- b less_than_thirtytwo
-
-loop8:
- ldr r12, [r1], #4
-1: mov r4, r12
- ldmia r1!, { r5,r6,r7, r8,r9,r10,r11}
- subs r2, r2, #32
- ldrhs r12, [r1], #4
- orr r3, r3, r4, lsl #24
- mov r4, r4, lsr #8
- orr r4, r4, r5, lsl #24
- mov r5, r5, lsr #8
- orr r5, r5, r6, lsl #24
- mov r6, r6, lsr #8
- orr r6, r6, r7, lsl #24
- mov r7, r7, lsr #8
- orr r7, r7, r8, lsl #24
- mov r8, r8, lsr #8
- orr r8, r8, r9, lsl #24
- mov r9, r9, lsr #8
- orr r9, r9, r10, lsl #24
- mov r10, r10, lsr #8
- orr r10, r10, r11, lsl #24
- stmia r0!, {r3,r4,r5,r6, r7,r8,r9,r10}
- mov r3, r11, lsr #8
- bhs 1b
- b less_than_thirtytwo
-
-loop24:
- ldr r12, [r1], #4
-1: mov r4, r12
- ldmia r1!, { r5,r6,r7, r8,r9,r10,r11}
- subs r2, r2, #32
- ldrhs r12, [r1], #4
- orr r3, r3, r4, lsl #8
- mov r4, r4, lsr #24
- orr r4, r4, r5, lsl #8
- mov r5, r5, lsr #24
- orr r5, r5, r6, lsl #8
- mov r6, r6, lsr #24
- orr r6, r6, r7, lsl #8
- mov r7, r7, lsr #24
- orr r7, r7, r8, lsl #8
- mov r8, r8, lsr #24
- orr r8, r8, r9, lsl #8
- mov r9, r9, lsr #24
- orr r9, r9, r10, lsl #8
- mov r10, r10, lsr #24
- orr r10, r10, r11, lsl #8
- stmia r0!, {r3,r4,r5,r6, r7,r8,r9,r10}
- mov r3, r11, lsr #24
- bhs 1b
-
-less_than_thirtytwo:
- /* copy the last 0 to 31 bytes of the source */
- rsb r12, lr, #32 /* we corrupted r12, recompute it */
- add r2, r2, #32
- cmp r2, #4
- blo partial_word_tail
-
-1: ldr r5, [r1], #4
- sub r2, r2, #4
- orr r4, r3, r5, lsl lr
- mov r3, r5, lsr r12
- str r4, [r0], #4
- cmp r2, #4
- bhs 1b
-
-partial_word_tail:
- /* we have a partial word in the input buffer */
- movs r5, lr, lsl #(31-3)
- .word 0x44c03001 /* strbmi r3, [r0], #1 */
- movmi r3, r3, lsr #8
- .word 0x24c03001 /* strbcs r3, [r0], #1 */
- movcs r3, r3, lsr #8
- .word 0x24c03001 /* strbcs r3, [r0], #1 */
-
- /* Refill spilled registers from the stack. Don't update sp. */
- ldmfd sp, {r5-r11}
-
-copy_last_3_and_return:
- movs r2, r2, lsl #31 /* copy remaining 0, 1, 2 or 3 bytes */
- .word 0x44d12001 /* ldrbmi r2, [r1], #1 */
- .word 0x24d13001 /* ldrbcs r3, [r1], #1 */
- .word 0x25d1c000 /* ldrbcs r12,[r1] */
- .word 0x44c02001 /* strbmi r2, [r0], #1 */
- .word 0x24c03001 /* strbcs r3, [r0], #1 */
- .word 0x25c0c000 /* strbcs r12,[r0] */
-
- /* we're done! restore sp and spilled registers and return */
- add sp, sp, #28
- ldmfd sp!, {r0, r4, lr}
- tst lr, #1
- moveq pc, lr
- bx lr
--- a/src/string/armel/memcpy.sub
+++ /dev/null
@@ -1 +0,0 @@
-memcpy.s
--- a/src/string/armhf/memcpy.sub
+++ /dev/null
@@ -1 +0,0 @@
-../armel/memcpy.s
--- a/src/thread/__syscall_cp.c
+++ b/src/thread/__syscall_cp.c
@@ -1,9 +1,7 @@
#include "pthread_impl.h"
#include "syscall.h"
-#ifdef SHARED
__attribute__((__visibility__("hidden")))
-#endif
long __syscall_cp_c();
static long sccp(syscall_arg_t nr,
--- a/src/thread/__tls_get_addr.c
+++ b/src/thread/__tls_get_addr.c
@@ -1,16 +1,16 @@
#include <stddef.h>
#include "pthread_impl.h"
+#include "libc.h"
+
+__attribute__((__visibility__("hidden")))
+void *__tls_get_new(size_t *);
void *__tls_get_addr(size_t *v)
{
pthread_t self = __pthread_self();
-#ifdef SHARED
- __attribute__((__visibility__("hidden")))
- void *__tls_get_new(size_t *);
if (v[0]<=(size_t)self->dtv[0])
return (char *)self->dtv[v[0]]+v[1]+DTP_OFFSET;
return __tls_get_new(v);
-#else
- return (char *)self->dtv[1]+v[1]+DTP_OFFSET;
-#endif
}
+
+weak_alias(__tls_get_addr, __tls_get_new);
--- a/src/thread/aarch64/syscall_cp.s
+++ b/src/thread/aarch64/syscall_cp.s
@@ -17,7 +17,7 @@
__syscall_cp_asm:
__cp_begin:
ldr w0,[x0]
- cbnz w0,1f
+ cbnz w0,__cp_cancel
mov x8,x1
mov x0,x2
mov x1,x3
@@ -28,6 +28,5 @@ __cp_begin:
svc 0
__cp_end:
ret
-
- // cbnz might not be able to jump far enough
-1: b __cancel
+__cp_cancel:
+ b __cancel
--- /dev/null
+++ b/src/thread/arm/__set_thread_area.c
@@ -0,0 +1,49 @@
+#include <stdint.h>
+#include <elf.h>
+#include "pthread_impl.h"
+#include "libc.h"
+
+#define HWCAP_TLS (1 << 15)
+
+extern const unsigned char __attribute__((__visibility__("hidden")))
+ __a_barrier_dummy[], __a_barrier_oldkuser[],
+ __a_barrier_v6[], __a_barrier_v7[],
+ __a_cas_dummy[], __a_cas_v6[], __a_cas_v7[],
+ __a_gettp_dummy[];
+
+#define __a_barrier_kuser 0xffff0fa0
+#define __a_cas_kuser 0xffff0fc0
+#define __a_gettp_kuser 0xffff0fe0
+
+extern uintptr_t __attribute__((__visibility__("hidden")))
+ __a_barrier_ptr, __a_cas_ptr, __a_gettp_ptr;
+
+#define SET(op,ver) (__a_##op##_ptr = \
+ (uintptr_t)__a_##op##_##ver - (uintptr_t)__a_##op##_dummy)
+
+int __set_thread_area(void *p)
+{
+#if !__ARM_ARCH_7A__ && !__ARM_ARCH_7R__ && __ARM_ARCH < 7
+ if (__hwcap & HWCAP_TLS) {
+ size_t *aux;
+ SET(cas, v7);
+ SET(barrier, v7);
+ for (aux=libc.auxv; *aux; aux+=2) {
+ if (*aux != AT_PLATFORM) continue;
+ const char *s = (void *)aux[1];
+ if (s[0]!='v' || s[1]!='6' || s[2]-'0'<10u) break;
+ SET(cas, v6);
+ SET(barrier, v6);
+ break;
+ }
+ } else {
+ int ver = *(int *)0xffff0ffc;
+ SET(gettp, kuser);
+ SET(cas, kuser);
+ SET(barrier, kuser);
+ if (ver < 2) a_crash();
+ if (ver < 3) SET(barrier, oldkuser);
+ }
+#endif
+ return __syscall(0xf0005, p);
+}
--- a/src/thread/arm/__set_thread_area.s
+++ /dev/null
@@ -1 +0,0 @@
-/* Replaced by C code in arch/arm/src */
--- a/src/thread/arm/__unmapself.s
+++ b/src/thread/arm/__unmapself.s
@@ -1,3 +1,4 @@
+.syntax unified
.text
.global __unmapself
.type __unmapself,%function
--- /dev/null
+++ b/src/thread/arm/atomics.s
@@ -0,0 +1,111 @@
+.syntax unified
+.text
+
+.global __a_barrier
+.hidden __a_barrier
+.type __a_barrier,%function
+__a_barrier:
+ ldr ip,1f
+ ldr ip,[pc,ip]
+ add pc,pc,ip
+1: .word __a_barrier_ptr-1b
+.global __a_barrier_dummy
+.hidden __a_barrier_dummy
+__a_barrier_dummy:
+ bx lr
+.global __a_barrier_oldkuser
+.hidden __a_barrier_oldkuser
+__a_barrier_oldkuser:
+ push {r0,r1,r2,r3,ip,lr}
+ mov r1,r0
+ mov r2,sp
+ ldr ip,=0xffff0fc0
+ mov lr,pc
+ mov pc,ip
+ pop {r0,r1,r2,r3,ip,lr}
+ bx lr
+.global __a_barrier_v6
+.hidden __a_barrier_v6
+__a_barrier_v6:
+ mcr p15,0,r0,c7,c10,5
+ bx lr
+.global __a_barrier_v7
+.hidden __a_barrier_v7
+__a_barrier_v7:
+ .word 0xf57ff05b /* dmb ish */
+ bx lr
+
+.global __a_cas
+.hidden __a_cas
+.type __a_cas,%function
+__a_cas:
+ ldr ip,1f
+ ldr ip,[pc,ip]
+ add pc,pc,ip
+1: .word __a_cas_ptr-1b
+.global __a_cas_dummy
+.hidden __a_cas_dummy
+__a_cas_dummy:
+ mov r3,r0
+ ldr r0,[r2]
+ subs r0,r3,r0
+ streq r1,[r2]
+ bx lr
+.global __a_cas_v6
+.hidden __a_cas_v6
+__a_cas_v6:
+ mov r3,r0
+ mcr p15,0,r0,c7,c10,5
+1: .word 0xe1920f9f /* ldrex r0,[r2] */
+ subs r0,r3,r0
+ .word 0x01820f91 /* strexeq r0,r1,[r2] */
+ teqeq r0,#1
+ beq 1b
+ mcr p15,0,r0,c7,c10,5
+ bx lr
+.global __a_cas_v7
+.hidden __a_cas_v7
+__a_cas_v7:
+ mov r3,r0
+ .word 0xf57ff05b /* dmb ish */
+1: .word 0xe1920f9f /* ldrex r0,[r2] */
+ subs r0,r3,r0
+ .word 0x01820f91 /* strexeq r0,r1,[r2] */
+ teqeq r0,#1
+ beq 1b
+ .word 0xf57ff05b /* dmb ish */
+ bx lr
+
+.global __aeabi_read_tp
+.type __aeabi_read_tp,%function
+__aeabi_read_tp:
+
+.global __a_gettp
+.hidden __a_gettp
+.type __a_gettp,%function
+__a_gettp:
+ ldr r0,1f
+ ldr r0,[pc,r0]
+ add pc,pc,r0
+1: .word __a_gettp_ptr-1b
+.global __a_gettp_dummy
+.hidden __a_gettp_dummy
+__a_gettp_dummy:
+ mrc p15,0,r0,c13,c0,3
+ bx lr
+
+.data
+.global __a_barrier_ptr
+.hidden __a_barrier_ptr
+__a_barrier_ptr:
+ .word 0
+
+.global __a_cas_ptr
+.hidden __a_cas_ptr
+__a_cas_ptr:
+ .word 0
+
+.global __a_gettp_ptr
+.hidden __a_gettp_ptr
+__a_gettp_ptr:
+ .word 0
--- a/src/thread/arm/clone.s
+++ b/src/thread/arm/clone.s
@@ -1,3 +1,4 @@
+.syntax unified
.text
.global __clone
.type __clone,%function
@@ -15,8 +16,6 @@ __clone:
tst r0,r0
beq 1f
ldmfd sp!,{r4,r5,r6,r7}
- tst lr,#1
- moveq pc,lr
bx lr
1: mov r0,r6
--- a/src/thread/arm/syscall_cp.s
+++ b/src/thread/arm/syscall_cp.s
@@ -1,3 +1,4 @@
+.syntax unified
.global __cp_begin
.hidden __cp_begin
.global __cp_end
@@ -22,8 +23,6 @@ __cp_begin:
svc 0
__cp_end:
ldmfd sp!,{r4,r5,r6,r7,lr}
- tst lr,#1
- moveq pc,lr
bx lr
__cp_cancel:
ldmfd sp!,{r4,r5,r6,r7,lr}
--- a/src/thread/microblaze/syscall_cp.s
+++ b/src/thread/microblaze/syscall_cp.s
@@ -11,7 +11,7 @@
__syscall_cp_asm:
__cp_begin:
lwi r5, r5, 0
- bnei r5, __cancel
+ bnei r5, __cp_cancel
addi r12, r6, 0
add r5, r7, r0
add r6, r8, r0
@@ -23,3 +23,5 @@ __cp_begin:
__cp_end:
rtsd r15, 8
nop
+__cp_cancel:
+ bri __cancel
--- a/src/thread/or1k/syscall_cp.s
+++ b/src/thread/or1k/syscall_cp.s
@@ -12,7 +12,7 @@ __syscall_cp_asm:
__cp_begin:
l.lwz r3, 0(r3)
l.sfeqi r3, 0
- l.bnf __cancel
+ l.bnf __cp_cancel
l.ori r11, r4, 0
l.ori r3, r5, 0
l.ori r4, r6, 0
@@ -24,3 +24,6 @@ __cp_begin:
__cp_end:
l.jr r9
l.nop
+__cp_cancel:
+ l.j __cancel
+ l.nop
--- a/src/thread/powerpc/syscall_cp.s
+++ b/src/thread/powerpc/syscall_cp.s
@@ -38,7 +38,7 @@ __cp_begin:
cmpwi cr7, 0, 0 #compare r0 with 0, store result in cr7.
beq+ cr7, 1f #jump to label 1 if r0 was 0
- b __cancel #else call cancel
+ b __cp_cancel #else call cancel
1:
#ok, the cancel flag was not set
# syscall: number goes to r0, the rest 3-8
@@ -55,3 +55,5 @@ __cp_end:
#else negate result.
neg 3, 3
blr
+__cp_cancel:
+ b __cancel
--- a/src/thread/pthread_cancel.c
+++ b/src/thread/pthread_cancel.c
@@ -1,12 +1,11 @@
+#define _GNU_SOURCE
#include <string.h>
#include "pthread_impl.h"
#include "syscall.h"
#include "libc.h"
-#ifdef SHARED
__attribute__((__visibility__("hidden")))
-#endif
-long __cancel(), __cp_cancel(), __syscall_cp_asm(), __syscall_cp_c();
+long __cancel(), __syscall_cp_asm(), __syscall_cp_c();
long __cancel()
{
@@ -17,12 +16,6 @@ long __cancel()
return -ECANCELED;
}
-/* If __syscall_cp_asm has adjusted the stack pointer, it must provide a
- * definition of __cp_cancel to undo those adjustments and call __cancel.
- * Otherwise, __cancel provides a definition for __cp_cancel. */
-
-weak_alias(__cancel, __cp_cancel);
-
long __syscall_cp_asm(volatile void *, syscall_arg_t,
syscall_arg_t, syscall_arg_t, syscall_arg_t,
syscall_arg_t, syscall_arg_t, syscall_arg_t);
@@ -52,24 +45,22 @@ static void _sigaddset(sigset_t *set, in
set->__bits[s/8/sizeof *set->__bits] |= 1UL<<(s&8*sizeof *set->__bits-1);
}
-#ifdef SHARED
__attribute__((__visibility__("hidden")))
-#endif
-extern const char __cp_begin[1], __cp_end[1];
+extern const char __cp_begin[1], __cp_end[1], __cp_cancel[1];
static void cancel_handler(int sig, siginfo_t *si, void *ctx)
{
pthread_t self = __pthread_self();
ucontext_t *uc = ctx;
- const char *ip = ((char **)&uc->uc_mcontext)[CANCEL_REG_IP];
+ uintptr_t pc = uc->uc_mcontext.MC_PC;
a_barrier();
if (!self->cancel || self->canceldisable == PTHREAD_CANCEL_DISABLE) return;
_sigaddset(&uc->uc_sigmask, SIGCANCEL);
- if (self->cancelasync || ip >= __cp_begin && ip < __cp_end) {
- ((char **)&uc->uc_mcontext)[CANCEL_REG_IP] = (char *)__cp_cancel;
+ if (self->cancelasync || pc >= (uintptr_t)__cp_begin && pc < (uintptr_t)__cp_end) {
+ uc->uc_mcontext.MC_PC = (uintptr_t)__cp_cancel;
return;
}
--- /dev/null
+++ b/src/thread/sh/__set_thread_area.c
@@ -0,0 +1,40 @@
+#include "pthread_impl.h"
+#include "libc.h"
+#include <elf.h>
+
+/* Also perform sh-specific init */
+
+#define CPU_HAS_LLSC 0x0040
+#define CPU_HAS_CAS_L 0x0400
+
+__attribute__((__visibility__("hidden")))
+extern const char __sh_cas_gusa[], __sh_cas_llsc[], __sh_cas_imask[], __sh_cas_cas_l[];
+
+__attribute__((__visibility__("hidden")))
+const void *__sh_cas_ptr;
+
+__attribute__((__visibility__("hidden")))
+unsigned __sh_nommu;
+
+int __set_thread_area(void *p)
+{
+ size_t *aux;
+ __asm__ __volatile__ ( "ldc %0, gbr" : : "r"(p) : "memory" );
+#ifndef __SH4A__
+ __sh_cas_ptr = __sh_cas_gusa;
+#if !defined(__SH3__) && !defined(__SH4__)
+ for (aux=libc.auxv; *aux; aux+=2) {
+ if (*aux != AT_PLATFORM) continue;
+ const char *s = (void *)aux[1];
+ if (s[0]!='s' || s[1]!='h' || s[2]!='2' || s[3]-'0'<10u) break;
+ __sh_cas_ptr = __sh_cas_imask;
+ __sh_nommu = 1;
+ }
+#endif
+ if (__hwcap & CPU_HAS_CAS_L)
+ __sh_cas_ptr = __sh_cas_cas_l;
+ else if (__hwcap & CPU_HAS_LLSC)
+ __sh_cas_ptr = __sh_cas_llsc;
+#endif
+ return 0;
+}
--- /dev/null
+++ b/src/thread/sh/__unmapself.c
@@ -0,0 +1,24 @@
+#include "pthread_impl.h"
+
+void __unmapself_sh_mmu(void *, size_t);
+void __unmapself_sh_nommu(void *, size_t);
+
+#if !defined(__SH3__) && !defined(__SH4__)
+#define __unmapself __unmapself_sh_nommu
+#include "dynlink.h"
+#undef CRTJMP
+#define CRTJMP(pc,sp) __asm__ __volatile__( \
+ "mov.l @%0+,r0 ; mov.l @%0,r12 ; jmp @r0 ; mov %1,r15" \
+ : : "r"(pc), "r"(sp) : "r0", "memory" )
+#include "../__unmapself.c"
+#undef __unmapself
+extern __attribute__((__visibility__("hidden"))) unsigned __sh_nommu;
+#else
+#define __sh_nommu 0
+#endif
+
+void __unmapself(void *base, size_t size)
+{
+ if (__sh_nommu) __unmapself_sh_nommu(base, size);
+ else __unmapself_sh_mmu(base, size);
+}
--- a/src/thread/sh/__unmapself.s
+++ /dev/null
@@ -1,22 +0,0 @@
-.text
-.global __unmapself_sh_mmu
-.type __unmapself_sh_mmu, @function
-__unmapself_sh_mmu:
- mov #91, r3 ! SYS_munmap
- trapa #31
-
- or r0, r0
- or r0, r0
- or r0, r0
- or r0, r0
- or r0, r0
-
- mov #1, r3 ! SYS_exit
- mov #0, r4
- trapa #31
-
- or r0, r0
- or r0, r0
- or r0, r0
- or r0, r0
- or r0, r0
--- /dev/null
+++ b/src/thread/sh/__unmapself_mmu.s
@@ -0,0 +1,22 @@
+.text
+.global __unmapself_sh_mmu
+.type __unmapself_sh_mmu, @function
+__unmapself_sh_mmu:
+ mov #91, r3 ! SYS_munmap
+ trapa #31
+
+ or r0, r0
+ or r0, r0
+ or r0, r0
+ or r0, r0
+ or r0, r0
+
+ mov #1, r3 ! SYS_exit
+ mov #0, r4
+ trapa #31
+
+ or r0, r0
+ or r0, r0
+ or r0, r0
+ or r0, r0
+ or r0, r0
--- /dev/null
+++ b/src/thread/sh/atomics.s
@@ -0,0 +1,65 @@
+/* Contract for all versions is same as cas.l r2,r3,@r0
+ * pr and r1 are also clobbered (by jsr & r1 as temp).
+ * r0,r2,r4-r15 must be preserved.
+ * r3 contains result (==r2 iff cas succeeded). */
+
+ .align 2
+.global __sh_cas_gusa
+.hidden __sh_cas_gusa
+__sh_cas_gusa:
+ mov.l r5,@-r15
+ mov.l r4,@-r15
+ mov r0,r4
+ mova 1f,r0
+ mov r15,r1
+ mov #(0f-1f),r15
+0: mov.l @r4,r5
+ cmp/eq r5,r2
+ bf 1f
+ mov.l r3,@r4
+1: mov r1,r15
+ mov r5,r3
+ mov r4,r0
+ mov.l @r15+,r4
+ rts
+ mov.l @r15+,r5
+
+.global __sh_cas_llsc
+.hidden __sh_cas_llsc
+__sh_cas_llsc:
+ mov r0,r1
+ synco
+0: movli.l @r1,r0
+ cmp/eq r0,r2
+ bf 1f
+ mov r3,r0
+ movco.l r0,@r1
+ bf 0b
+ mov r2,r0
+1: synco
+ mov r0,r3
+ rts
+ mov r1,r0
+
+.global __sh_cas_imask
+.hidden __sh_cas_imask
+__sh_cas_imask:
+ mov r0,r1
+ stc sr,r0
+ mov.l r0,@-r15
+ or #0xf0,r0
+ ldc r0,sr
+ mov.l @r1,r0
+ cmp/eq r0,r2
+ bf 1f
+ mov.l r3,@r1
+1: ldc.l @r15+,sr
+ mov r0,r3
+ rts
+ mov r1,r0
+
+.global __sh_cas_cas_l
+.hidden __sh_cas_cas_l
+__sh_cas_cas_l:
+ rts
+ .word 0x2323 /* cas.l r2,r3,@r0 */
--- a/src/thread/sh/syscall_cp.s
+++ b/src/thread/sh/syscall_cp.s
@@ -14,17 +14,8 @@ __syscall_cp_asm:
__cp_begin:
mov.l @r4, r4
tst r4, r4
- bt 2f
-
- mov.l L1, r0
- braf r0
- nop
-1:
-
-.align 2
-L1: .long __cancel@PLT-(1b-.)
-
-2: mov r5, r3
+ bf __cp_cancel
+ mov r5, r3
mov r6, r4
mov r7, r5
mov.l @r15, r6
@@ -43,3 +34,12 @@ __cp_end:
rts
nop
+
+__cp_cancel:
+ mov.l 2f, r0
+ braf r0
+ nop
+1:
+
+.align 2
+2: .long __cancel@PCREL-(1b-.)
--- a/src/thread/x32/syscall_cp.s
+++ b/src/thread/x32/syscall_cp.s
@@ -14,7 +14,7 @@ __syscall_cp_internal:
__cp_begin:
mov (%rdi),%eax
test %eax,%eax
- jnz __cancel
+ jnz __cp_cancel
mov %rdi,%r11
mov %rsi,%rax
mov %rdx,%rdi
@@ -27,3 +27,5 @@ __cp_begin:
syscall
__cp_end:
ret
+__cp_cancel:
+ jmp __cancel
--- /dev/null
+++ b/src/thread/x32/syscall_cp_fixup.c
@@ -0,0 +1,38 @@
+#include <sys/syscall.h>
+
+__attribute__((__visibility__("hidden")))
+long __syscall_cp_internal(volatile void*, long long, long long, long long, long long,
+ long long, long long, long long);
+
+struct __timespec { long long tv_sec; long tv_nsec; };
+struct __timespec_kernel { long long tv_sec; long long tv_nsec; };
+#define __tsc(X) ((struct __timespec*)(unsigned long)(X))
+#define __fixup(X) do { if(X) { \
+ ts->tv_sec = __tsc(X)->tv_sec; \
+ ts->tv_nsec = __tsc(X)->tv_nsec; \
+ (X) = (unsigned long)ts; } } while(0)
+
+__attribute__((__visibility__("hidden")))
+long __syscall_cp_asm (volatile void * foo, long long n, long long a1, long long a2, long long a3,
+ long long a4, long long a5, long long a6)
+{
+ struct __timespec_kernel ts[1];
+ switch (n) {
+ case SYS_mq_timedsend: case SYS_mq_timedreceive: case SYS_pselect6:
+ __fixup(a5);
+ break;
+ case SYS_futex:
+ if((a2 & (~128 /* FUTEX_PRIVATE_FLAG */)) == 0 /* FUTEX_WAIT */)
+ __fixup(a4);
+ break;
+ case SYS_clock_nanosleep:
+ case SYS_rt_sigtimedwait: case SYS_ppoll:
+ __fixup(a3);
+ break;
+ case SYS_nanosleep:
+ __fixup(a1);
+ break;
+ }
+ return __syscall_cp_internal(foo, n, a1, a2, a3, a4, a5, a6);
+}
+
--- a/src/thread/x86_64/syscall_cp.s
+++ b/src/thread/x86_64/syscall_cp.s
@@ -14,7 +14,7 @@ __syscall_cp_asm:
__cp_begin:
mov (%rdi),%eax
test %eax,%eax
- jnz __cancel
+ jnz __cp_cancel
mov %rdi,%r11
mov %rsi,%rax
mov %rdx,%rdi
@@ -27,3 +27,5 @@ __cp_begin:
syscall
__cp_end:
ret
+__cp_cancel:
+ jmp __cancel
--- a/src/time/clock_gettime.c
+++ b/src/time/clock_gettime.c
@@ -5,37 +5,54 @@
#include "libc.h"
#include "atomic.h"
-static int sc_clock_gettime(clockid_t clk, struct timespec *ts)
+#ifdef VDSO_CGT_SYM
+
+void *__vdsosym(const char *, const char *);
+
+static void *volatile vdso_func;
+
+static int cgt_init(clockid_t clk, struct timespec *ts)
{
- int r = __syscall(SYS_clock_gettime, clk, ts);
- if (!r) return r;
- if (r == -ENOSYS) {
- if (clk == CLOCK_REALTIME) {
- __syscall(SYS_gettimeofday, ts, 0);
- ts->tv_nsec = (int)ts->tv_nsec * 1000;
- return 0;
- }
- r = -EINVAL;
- }
- errno = -r;
- return -1;
+ void *p = __vdsosym(VDSO_CGT_VER, VDSO_CGT_SYM);
+ int (*f)(clockid_t, struct timespec *) =
+ (int (*)(clockid_t, struct timespec *))p;
+ a_cas_p(&vdso_func, (void *)cgt_init, p);
+ return f ? f(clk, ts) : -ENOSYS;
}
-void *__vdsosym(const char *, const char *);
+static void *volatile vdso_func = (void *)cgt_init;
+
+#endif
int __clock_gettime(clockid_t clk, struct timespec *ts)
{
+ int r;
+
#ifdef VDSO_CGT_SYM
- static int (*volatile cgt)(clockid_t, struct timespec *);
- if (!cgt) {
- void *f = __vdsosym(VDSO_CGT_VER, VDSO_CGT_SYM);
- if (!f) f = (void *)sc_clock_gettime;
- a_cas_p(&cgt, 0, f);
+ int (*f)(clockid_t, struct timespec *) =
+ (int (*)(clockid_t, struct timespec *))vdso_func;
+ if (f) {
+ r = f(clk, ts);
+ if (!r) return r;
+ if (r == -EINVAL) return __syscall_ret(r);
+ /* Fall through on errors other than EINVAL. Some buggy
+ * vdso implementations return ENOSYS for clocks they
+ * can't handle, rather than making the syscall. This
+ * also handles the case where cgt_init fails to find
+ * a vdso function to use. */
}
- return cgt(clk, ts);
-#else
- return sc_clock_gettime(clk, ts);
#endif
+
+ r = __syscall(SYS_clock_gettime, clk, ts);
+ if (r == -ENOSYS) {
+ if (clk == CLOCK_REALTIME) {
+ __syscall(SYS_gettimeofday, ts, 0);
+ ts->tv_nsec = (int)ts->tv_nsec * 1000;
+ return 0;
+ }
+ r = -EINVAL;
+ }
+ return __syscall_ret(r);
}
weak_alias(__clock_gettime, clock_gettime);
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