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domenico
2025-06-24 15:51:28 +02:00
commit 22031d9dab
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11
package/libs/uclibc++/patches/002-path_to_bash.patch Normal file
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@@ -0,0 +1,11 @@
--- a/bin/Makefile
+++ b/bin/Makefile
@@ -13,7 +13,7 @@ install:
$(INSTALL) -m 755 $(WRAPPER) $(PREFIX)$(UCLIBCXX_RUNTIME_BINDIR)
$(WRAPPER): Makefile
- echo '#!/bin/sh' > $@
+ echo '#!/usr/bin/env bash' > $@
echo '' >> $@
echo 'WRAPPER_INCLUDEDIR="$${WRAPPER_INCLUDEDIR:=-I$(UCLIBCXX_RUNTIME_INCLUDEDIR)}"' >> $@
echo 'WRAPPER_LIBDIR="$${WRAPPER_LIBDIR:=-L$(UCLIBCXX_RUNTIME_LIBDIR)}"' >> $@

38
package/libs/uclibc++/patches/006-eabi_fix.patch Normal file
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@@ -0,0 +1,38 @@
--- a/include/typeinfo
+++ b/include/typeinfo
@@ -44,6 +44,7 @@ namespace __cxxabiv1
class __class_type_info;
} // namespace __cxxabiv1
+#ifndef __GXX_MERGED_TYPEINFO_NAMES
#if !__GXX_WEAK__
// If weak symbols are not supported, typeinfo names are not merged.
#define __GXX_MERGED_TYPEINFO_NAMES 0
@@ -51,6 +52,7 @@ namespace __cxxabiv1
// On platforms that support weak symbols, typeinfo names are merged.
#define __GXX_MERGED_TYPEINFO_NAMES 1
#endif
+#endif
namespace std
{
--- a/include/unwind-cxx.h
+++ b/include/unwind-cxx.h
@@ -173,6 +173,7 @@ extern std::unexpected_handler __unexpec
// This is the exception class we report -- "GNUCC++\0".
const _Unwind_Exception_Class __gxx_exception_class
+#ifndef __ARM_EABI_UNWINDER__
= ((((((((_Unwind_Exception_Class) 'G'
<< 8 | (_Unwind_Exception_Class) 'N')
<< 8 | (_Unwind_Exception_Class) 'U')
@@ -181,6 +182,9 @@ const _Unwind_Exception_Class __gxx_exce
<< 8 | (_Unwind_Exception_Class) '+')
<< 8 | (_Unwind_Exception_Class) '+')
<< 8 | (_Unwind_Exception_Class) '\0');
+#else
+= "GNUC++";
+#endif
// GNU C++ personality routine, Version 0.
extern "C" _Unwind_Reason_Code __gxx_personality_v0

23
package/libs/uclibc++/patches/010-honor-ldflags.patch Normal file
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@@ -0,0 +1,23 @@
--- a/src/Makefile
+++ b/src/Makefile
@@ -3,9 +3,9 @@ include $(TOPDIR)Rules.mak
WR_CXX := WRAPPER_INCLUDEDIR=-I$(TOPDIR)include $(TOPDIR)bin/g++-uc
-LDFLAGS += -nodefaultlibs -shared -Wl,-soname,$(SHARED_MAJORNAME) $(BUILD_EXTRA_LIBRARIES)
+EXTRA_LDFLAGS += -nodefaultlibs -shared -Wl,-soname,$(SHARED_MAJORNAME) $(BUILD_EXTRA_LIBRARIES)
ifneq ($(DODEBUG),y)
-LDFLAGS += -Wl,-s
+EXTRA_LDFLAGS += -Wl,-s
endif
SRCS = $(wildcard *.cpp)
@@ -60,7 +60,7 @@ $(LIBNAME).a: libgcc_eh libsupc $(EXOBJS
$(RANLIB) $@
$(SHARED_FULLNAME): libgcc_eh libsupc $(EXOBJS)
- $(CC) $(LDFLAGS) -o $@ $(EXOBJS) $(SUPOBJS) $(GCCOBJS) $(LIBS)
+ $(CC) $(LDFLAGS) $(EXTRA_LDFLAGS) -o $@ $(EXOBJS) $(SUPOBJS) $(GCCOBJS) $(LIBS)
$(LN) $@ $(SHARED_MAJORNAME)
$(LN) $(SHARED_MAJORNAME) $(LIBNAME).so

22
package/libs/uclibc++/patches/020-template-fix.patch Normal file
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@@ -0,0 +1,22 @@
--- a/include/ostream
+++ b/include/ostream
@@ -294,7 +294,7 @@ namespace std {
#endif
#endif
- template <class charT,class traits = char_traits<charT> >
+ template <class charT,class traits>
class _UCXXEXPORT basic_ostream<charT,traits>::sentry
{
bool ok;
--- a/include/istream
+++ b/include/istream
@@ -340,7 +340,7 @@ namespace std{
};
- template <class charT,class traits = char_traits<charT> > class _UCXXEXPORT basic_istream<charT,traits>::sentry {
+ template <class charT,class traits> class _UCXXEXPORT basic_istream<charT,traits>::sentry {
bool ok;
public:
explicit _UCXXEXPORT sentry(basic_istream<charT,traits>& os, bool noskipws = false){

114
package/libs/uclibc++/patches/030-memory_corruption_fix.patch Normal file
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@@ -0,0 +1,114 @@
From 1dc865b8bbb3911abc8ce53c7ae8a59dc90f6fc3 Mon Sep 17 00:00:00 2001
From: Ivan Kold <pixus.ru@gmail.com>
Date: Thu, 3 Mar 2016 12:56:30 -0800
Subject: [PATCH] Fix throw statement causing memory corruption
The __cxxabiv1::__cxa_throw in the GCC's libsupc++ expects
sizeof(__cxa_refcounted_exception) bytes be allocated before
exception object.
uClibc++ allocates only sizeof(__cxa_exception) before an
exception object.
The __cxxabiv1::__cxa_throw writes in memory before allocated:
// gcc-5.2.0/libstdc++-v3/libsupc++/eh_throw.cc:69
__cxa_refcounted_exception *header
= __get_refcounted_exception_header_from_obj (obj);
header->referenceCount = 1;
Signed-off-by: Ivan Kold <pixus.ru@gmail.com>
---
include/unwind-cxx.h | 34 +++++++++++++++++++++++++++++++++-
src/eh_alloc.cpp | 8 ++++----
2 files changed, 37 insertions(+), 5 deletions(-)
--- a/include/unwind-cxx.h
+++ b/include/unwind-cxx.h
@@ -1,5 +1,5 @@
// -*- C++ -*- Exception handling and frame unwind runtime interface routines.
-// Copyright (C) 2001 Free Software Foundation, Inc.
+// Copyright (C) 2001-2015 Free Software Foundation, Inc.
//
// This file is part of GCC.
//
@@ -13,6 +13,10 @@
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+//
// You should have received a copy of the GNU General Public License
// along with GCC; see the file COPYING. If not, write to
// the Free Software Foundation, 59 Temple Place - Suite 330,
@@ -40,6 +44,12 @@
#include <cstddef>
#include "unwind.h"
+// Original unwind-cxx.h also includes bits/atomic_word.h which is CPU-specific,
+// but always defines _Atomic_word as typedef int .
+// Only thing that differs is memory-barrier macroses.
+typedef int _Atomic_word;
+
+
#pragma GCC visibility push(default)
namespace __cxxabiv1
@@ -79,6 +89,13 @@ struct __cxa_exception
_Unwind_Exception unwindHeader;
};
+struct __cxa_refcounted_exception
+{
+ // Manage this header.
+ _Atomic_word referenceCount;
+ // __cxa_exception must be last, and no padding can be after it.
+ __cxa_exception exc;
+};
// A dependent C++ exception object consists of a header, which is a wrapper
// around an unwind object header with additional C++ specific information,
@@ -210,6 +227,21 @@ __get_exception_header_from_ue (_Unwind_
return reinterpret_cast<__cxa_exception *>(exc + 1) - 1;
}
+// Acquire the C++ refcounted exception header from the C++ object.
+static inline __cxa_refcounted_exception *
+__get_refcounted_exception_header_from_obj (void *ptr)
+{
+ return reinterpret_cast<__cxa_refcounted_exception *>(ptr) - 1;
+}
+
+// Acquire the C++ refcounted exception header from the generic exception
+// header.
+static inline __cxa_refcounted_exception *
+__get_refcounted_exception_header_from_ue (_Unwind_Exception *exc)
+{
+ return reinterpret_cast<__cxa_refcounted_exception *>(exc + 1) - 1;
+}
+
} /* namespace __cxxabiv1 */
#pragma GCC visibility pop
--- a/src/eh_alloc.cpp
+++ b/src/eh_alloc.cpp
@@ -30,16 +30,16 @@ extern "C" void * __cxa_allocate_excepti
void *retval;
//The sizeof crap is required by Itanium ABI because we need to provide space for
//accounting information which is implementaion (gcc) specified
- retval = malloc (thrown_size + sizeof(__cxa_exception));
+ retval = malloc (thrown_size + sizeof(__cxa_refcounted_exception));
if (0 == retval){
std::terminate();
}
- memset (retval, 0, sizeof(__cxa_exception));
- return (void *)((unsigned char *)retval + sizeof(__cxa_exception));
+ memset (retval, 0, sizeof(__cxa_refcounted_exception));
+ return (void *)((unsigned char *)retval + sizeof(__cxa_refcounted_exception));
}
extern "C" void __cxa_free_exception(void *vptr) throw(){
- free( (char *)(vptr) - sizeof(__cxa_exception) );
+ free( (char *)(vptr) - sizeof(__cxa_refcounted_exception) );
}

20
package/libs/uclibc++/patches/040-delete-c++14.patch Normal file
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@@ -0,0 +1,20 @@
--- a/src/del_op.cpp
+++ b/src/del_op.cpp
@@ -24,3 +24,7 @@
_UCXXEXPORT void operator delete(void* ptr) throw(){
free(ptr);
}
+
+_UCXXEXPORT void operator delete(void* ptr, size_t size) throw(){
+ free(ptr);
+}
--- a/src/del_opv.cpp
+++ b/src/del_opv.cpp
@@ -24,3 +24,7 @@
_UCXXEXPORT void operator delete[](void * ptr) throw(){
free(ptr);
}
+
+_UCXXEXPORT void operator delete[](void * ptr, size_t size) throw(){
+ free(ptr);
+}

40
package/libs/uclibc++/patches/050-Bugfix-erase-on-derived-__base_associative.patch Normal file
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@@ -0,0 +1,40 @@
From 946b29e62927eadfc4e87f27b8d30e5974b78c4c Mon Sep 17 00:00:00 2001
From: Ben Kelly <ben@benjii.net>
Date: Mon, 6 Feb 2017 13:08:25 +0200
Subject: [PATCH] Bugfix erase() on derived __base_associative
When calling erase() on a containers derived from __base_associative
(e.g. multimap) and providing a pair of iterators a segfault will
occur.
Example code to reproduce:
typedef std::multimap<int, int> testmap;
testmap t;
t.insert(std::pair<int, int>(1, 1));
t.insert(std::pair<int, int>(2, 1));
t.insert(std::pair<int, int>(3, 1));
t.erase(t.begin(), t.end());
Signed-off-by: Ben Kelly <ben@benjii.net>
---
include/associative_base | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/include/associative_base b/include/associative_base
index 27ae0ef..be8b27f 100644
--- a/include/associative_base
+++ b/include/associative_base
@@ -200,8 +200,7 @@ public:
}
void erase(iterator first, iterator last){
while(first != last){
- backing.erase(first.base_iterator());
- ++first;
+ first = backing.erase(first.base_iterator());
}
}
--
2.7.4