Initial commit

2025-06-24 16:03:39 +02:00
commit f3256cdaf2
6949 changed files with 1441681 additions and 0 deletions
--- a/target/linux/generic/hack-4.14/221-module_exports.patch
+++ b/target/linux/generic/hack-4.14/221-module_exports.patch
@@ -0,0 +1,101 @@
+From b14784e7883390c20ed3ff904892255404a5914b Mon Sep 17 00:00:00 2001
+From: Felix Fietkau <nbd@nbd.name>
+Date: Fri, 7 Jul 2017 17:05:53 +0200
+Subject: add an optional config option for stripping all unnecessary symbol exports from the kernel image
+
+lede-commit: bb5a40c64b7c4f4848509fa0a6625055fc9e66cc
+Signed-off-by: Felix Fietkau <nbd@nbd.name>
+---
+ include/asm-generic/vmlinux.lds.h | 18 +++++++++++++++---
+ include/linux/export.h            |  9 ++++++++-
+ scripts/Makefile.build            |  2 +-
+ 3 files changed, 24 insertions(+), 5 deletions(-)
+
+--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
+@@ -54,6 +54,16 @@
+ #define LOAD_OFFSET 0
+ #endif
+ 
+#ifndef SYMTAB_KEEP
+#define SYMTAB_KEEP KEEP(*(SORT(___ksymtab+*)))
+#define SYMTAB_KEEP_GPL KEEP(*(SORT(___ksymtab_gpl+*)))
+#endif
+
+#ifndef SYMTAB_DISCARD
+#define SYMTAB_DISCARD
+#define SYMTAB_DISCARD_GPL
+#endif
+
+ #include <linux/export.h>
+ 
+ /* Align . to a 8 byte boundary equals to maximum function alignment. */
+@@ -342,14 +352,14 @@
+ 	/* Kernel symbol table: Normal symbols */			\
+ 	__ksymtab         : AT(ADDR(__ksymtab) - LOAD_OFFSET) {		\
+ 		VMLINUX_SYMBOL(__start___ksymtab) = .;			\
+-		KEEP(*(SORT(___ksymtab+*)))				\
+		SYMTAB_KEEP						\
+ 		VMLINUX_SYMBOL(__stop___ksymtab) = .;			\
+ 	}								\
+ 									\
+ 	/* Kernel symbol table: GPL-only symbols */			\
+ 	__ksymtab_gpl     : AT(ADDR(__ksymtab_gpl) - LOAD_OFFSET) {	\
+ 		VMLINUX_SYMBOL(__start___ksymtab_gpl) = .;		\
+-		KEEP(*(SORT(___ksymtab_gpl+*)))				\
+		SYMTAB_KEEP_GPL						\
+ 		VMLINUX_SYMBOL(__stop___ksymtab_gpl) = .;		\
+ 	}								\
+ 									\
+@@ -411,7 +421,7 @@
+ 									\
+ 	/* Kernel symbol table: strings */				\
+         __ksymtab_strings : AT(ADDR(__ksymtab_strings) - LOAD_OFFSET) {	\
+-		*(__ksymtab_strings)					\
+		*(__ksymtab_strings+*)					\
+ 	}								\
+ 									\
+ 	/* __*init sections */						\
+@@ -804,6 +814,8 @@
+ 	EXIT_TEXT							\
+ 	EXIT_DATA							\
+ 	EXIT_CALL							\
+	SYMTAB_DISCARD							\
+	SYMTAB_DISCARD_GPL						\
+ 	*(.discard)							\
+ 	*(.discard.*)							\
+ 	}
+--- a/include/linux/export.h
+++ b/include/linux/export.h
+@@ -60,12 +60,19 @@ extern struct module __this_module;
+ #define __CRC_SYMBOL(sym, sec)
+ #endif
+ 
+#ifdef MODULE
+#define __EXPORT_SUFFIX(sym)
+#else
+#define __EXPORT_SUFFIX(sym) "+" #sym
+#endif
+
+ /* For every exported symbol, place a struct in the __ksymtab section */
+ #define ___EXPORT_SYMBOL(sym, sec)					\
+ 	extern typeof(sym) sym;						\
+ 	__CRC_SYMBOL(sym, sec)						\
+ 	static const char __kstrtab_##sym[]				\
+-	__attribute__((section("__ksymtab_strings"), aligned(1)))	\
+	__attribute__((section("__ksymtab_strings"			\
+	  __EXPORT_SUFFIX(sym)), aligned(1)))				\
+ 	= VMLINUX_SYMBOL_STR(sym);					\
+ 	static const struct kernel_symbol __ksymtab_##sym		\
+ 	__used								\
+--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
+@@ -435,7 +435,7 @@ targets += $(extra-y) $(MAKECMDGOALS) $(
+ # Linker scripts preprocessor (.lds.S -> .lds)
+ # ---------------------------------------------------------------------------
+ quiet_cmd_cpp_lds_S = LDS     $@
+-      cmd_cpp_lds_S = $(CPP) $(cpp_flags) -P -U$(ARCH) \
+      cmd_cpp_lds_S = $(CPP) $(EXTRA_LDSFLAGS) $(cpp_flags) -P -U$(ARCH) \
+ 	                     -D__ASSEMBLY__ -DLINKER_SCRIPT -o $@ $<
+ 
+ $(obj)/%.lds: $(src)/%.lds.S FORCE