kernel: fix stripping symbol exports

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34458 3c298f89-4303-0410-b956-a3cf2f4a3e73

3 files changed, 57 insertions, 51 deletions

diff --git a/target/linux/generic/patches-3.3/220-module_exports.patch b/target/linux/generic/patches-3.3/220-module_exports.patch
index be6b6ff9d..5b87c1a3e 100644
--- a/target/linux/generic/patches-3.3/220-module_exports.patch
+++ b/target/linux/generic/patches-3.3/220-module_exports.patch
@@ -1,34 +1,25 @@
 --- a/include/asm-generic/vmlinux.lds.h
 +++ b/include/asm-generic/vmlinux.lds.h
-@@ -52,6 +52,27 @@
+@@ -52,6 +52,18 @@
  #define LOAD_OFFSET 0
  #endif
  
 +#ifndef SYMTAB_KEEP_STR
++#define SYMTAB_KEEP *(SORT(___ksymtab+*))
++#define SYMTAB_KEEP_GPL *(SORT(___ksymtab_gpl+*))
 +#define SYMTAB_KEEP_STR *(__ksymtab_strings+*)
-+#define SYMTAB_DISCARD_STR
-+#else
-+#define SYMTAB_DISCARD_STR *(__ksymtab_strings+*)
 +#endif
 +
-+#ifndef SYMTAB_KEEP
-+#define SYMTAB_KEEP *(SORT(___ksymtab+*))
++#ifndef SYMTAB_DISCARD
 +#define SYMTAB_DISCARD
-+#else
-+#define SYMTAB_DISCARD *(SORT(___ksymtab+*))
-+#endif
-+
-+#ifndef SYMTAB_KEEP_GPL
-+#define SYMTAB_KEEP_GPL *(SORT(___ksymtab_gpl+*))
 +#define SYMTAB_DISCARD_GPL
-+#else
-+#define SYMTAB_DISCARD_GPL *(SORT(___ksymtab_gpl+*))
++#define SYMTAB_DISCARD_STR
 +#endif
 +
  #ifndef SYMBOL_PREFIX
  #define VMLINUX_SYMBOL(sym) sym
  #else
-@@ -275,14 +296,14 @@
+@@ -275,14 +287,14 @@
  	/* Kernel symbol table: Normal symbols */			\
  	__ksymtab         : AT(ADDR(__ksymtab) - LOAD_OFFSET) {		\
  		VMLINUX_SYMBOL(__start___ksymtab) = .;			\
@@ -45,7 +36,7 @@
  		VMLINUX_SYMBOL(__stop___ksymtab_gpl) = .;		\
  	}								\
  									\
-@@ -344,7 +365,7 @@
+@@ -344,7 +356,7 @@
  									\
  	/* Kernel symbol table: strings */				\
          __ksymtab_strings : AT(ADDR(__ksymtab_strings) - LOAD_OFFSET) {	\
@@ -54,7 +45,7 @@
  	}								\
  									\
  	/* __*init sections */						\
-@@ -676,6 +697,9 @@
+@@ -676,6 +688,9 @@
  	EXIT_TEXT							\
  	EXIT_DATA							\
  	EXIT_CALL							\
@@ -87,3 +78,14 @@
  	= MODULE_SYMBOL_PREFIX #sym;				\
  	static const struct kernel_symbol __ksymtab_##sym	\
  	__used							\
+--- a/scripts/Makefile.build
++++ b/scripts/Makefile.build
+@@ -346,7 +346,7 @@ targets += $(extra-y) $(MAKECMDGOALS) $(
+ # Linker scripts preprocessor (.lds.S -> .lds)
+ # ---------------------------------------------------------------------------
+ quiet_cmd_cpp_lds_S = LDS     $@
+-      cmd_cpp_lds_S = $(CPP) $(cpp_flags) -P -C -U$(ARCH) \
++      cmd_cpp_lds_S = $(CPP) $(EXTRA_LDSFLAGS) $(cpp_flags) -P -C -U$(ARCH) \
+ 	                     -D__ASSEMBLY__ -DLINKER_SCRIPT -o $@ $<
+ 
+ $(obj)/%.lds: $(src)/%.lds.S FORCE
diff --git a/target/linux/generic/patches-3.6/220-module_exports.patch b/target/linux/generic/patches-3.6/220-module_exports.patch
index 8acb18f83..4383aa28b 100644
--- a/target/linux/generic/patches-3.6/220-module_exports.patch
+++ b/target/linux/generic/patches-3.6/220-module_exports.patch
@@ -1,34 +1,25 @@
 --- a/include/asm-generic/vmlinux.lds.h
 +++ b/include/asm-generic/vmlinux.lds.h
-@@ -52,6 +52,27 @@
+@@ -52,6 +52,18 @@
  #define LOAD_OFFSET 0
  #endif
  
 +#ifndef SYMTAB_KEEP_STR
++#define SYMTAB_KEEP *(SORT(___ksymtab+*))
++#define SYMTAB_KEEP_GPL *(SORT(___ksymtab_gpl+*))
 +#define SYMTAB_KEEP_STR *(__ksymtab_strings+*)
-+#define SYMTAB_DISCARD_STR
-+#else
-+#define SYMTAB_DISCARD_STR *(__ksymtab_strings+*)
 +#endif
 +
-+#ifndef SYMTAB_KEEP
-+#define SYMTAB_KEEP *(SORT(___ksymtab+*))
++#ifndef SYMTAB_DISCARD
 +#define SYMTAB_DISCARD
-+#else
-+#define SYMTAB_DISCARD *(SORT(___ksymtab+*))
-+#endif
-+
-+#ifndef SYMTAB_KEEP_GPL
-+#define SYMTAB_KEEP_GPL *(SORT(___ksymtab_gpl+*))
 +#define SYMTAB_DISCARD_GPL
-+#else
-+#define SYMTAB_DISCARD_GPL *(SORT(___ksymtab_gpl+*))
++#define SYMTAB_DISCARD_STR
 +#endif
 +
  #ifndef SYMBOL_PREFIX
  #define VMLINUX_SYMBOL(sym) sym
  #else
-@@ -276,14 +297,14 @@
+@@ -276,14 +288,14 @@
  	/* Kernel symbol table: Normal symbols */			\
  	__ksymtab         : AT(ADDR(__ksymtab) - LOAD_OFFSET) {		\
  		VMLINUX_SYMBOL(__start___ksymtab) = .;			\
@@ -45,7 +36,7 @@
  		VMLINUX_SYMBOL(__stop___ksymtab_gpl) = .;		\
  	}								\
  									\
-@@ -345,7 +366,7 @@
+@@ -345,7 +357,7 @@
  									\
  	/* Kernel symbol table: strings */				\
          __ksymtab_strings : AT(ADDR(__ksymtab_strings) - LOAD_OFFSET) {	\
@@ -54,7 +45,7 @@
  	}								\
  									\
  	/* __*init sections */						\
-@@ -670,6 +691,9 @@
+@@ -670,6 +682,9 @@
  	EXIT_TEXT							\
  	EXIT_DATA							\
  	EXIT_CALL							\
@@ -87,3 +78,14 @@
  	= MODULE_SYMBOL_PREFIX #sym;				\
  	static const struct kernel_symbol __ksymtab_##sym	\
  	__used							\
+--- a/scripts/Makefile.build
++++ b/scripts/Makefile.build
+@@ -348,7 +348,7 @@ targets += $(extra-y) $(MAKECMDGOALS) $(
+ # Linker scripts preprocessor (.lds.S -> .lds)
+ # ---------------------------------------------------------------------------
+ quiet_cmd_cpp_lds_S = LDS     $@
+-      cmd_cpp_lds_S = $(CPP) $(cpp_flags) -P -C -U$(ARCH) \
++      cmd_cpp_lds_S = $(CPP) $(EXTRA_LDSFLAGS) $(cpp_flags) -P -C -U$(ARCH) \
+ 	                     -D__ASSEMBLY__ -DLINKER_SCRIPT -o $@ $<
+ 
+ $(obj)/%.lds: $(src)/%.lds.S FORCE
diff --git a/target/linux/generic/patches-3.7/220-module_exports.patch b/target/linux/generic/patches-3.7/220-module_exports.patch
index 89da1645d..fc382c16f 100644
--- a/target/linux/generic/patches-3.7/220-module_exports.patch
+++ b/target/linux/generic/patches-3.7/220-module_exports.patch
@@ -1,34 +1,25 @@
 --- a/include/asm-generic/vmlinux.lds.h
 +++ b/include/asm-generic/vmlinux.lds.h
-@@ -52,6 +52,27 @@
+@@ -52,6 +52,18 @@
  #define LOAD_OFFSET 0
  #endif
  
 +#ifndef SYMTAB_KEEP_STR
++#define SYMTAB_KEEP *(SORT(___ksymtab+*))
++#define SYMTAB_KEEP_GPL *(SORT(___ksymtab_gpl+*))
 +#define SYMTAB_KEEP_STR *(__ksymtab_strings+*)
-+#define SYMTAB_DISCARD_STR
-+#else
-+#define SYMTAB_DISCARD_STR *(__ksymtab_strings+*)
 +#endif
 +
-+#ifndef SYMTAB_KEEP
-+#define SYMTAB_KEEP *(SORT(___ksymtab+*))
++#ifndef SYMTAB_DISCARD
 +#define SYMTAB_DISCARD
-+#else
-+#define SYMTAB_DISCARD *(SORT(___ksymtab+*))
-+#endif
-+
-+#ifndef SYMTAB_KEEP_GPL
-+#define SYMTAB_KEEP_GPL *(SORT(___ksymtab_gpl+*))
 +#define SYMTAB_DISCARD_GPL
-+#else
-+#define SYMTAB_DISCARD_GPL *(SORT(___ksymtab_gpl+*))
++#define SYMTAB_DISCARD_STR
 +#endif
 +
  #ifndef SYMBOL_PREFIX
  #define VMLINUX_SYMBOL(sym) sym
  #else
-@@ -276,14 +297,14 @@
+@@ -276,14 +288,14 @@
  	/* Kernel symbol table: Normal symbols */			\
  	__ksymtab         : AT(ADDR(__ksymtab) - LOAD_OFFSET) {		\
  		VMLINUX_SYMBOL(__start___ksymtab) = .;			\
@@ -45,7 +36,7 @@
  		VMLINUX_SYMBOL(__stop___ksymtab_gpl) = .;		\
  	}								\
  									\
-@@ -345,7 +366,7 @@
+@@ -345,7 +357,7 @@
  									\
  	/* Kernel symbol table: strings */				\
          __ksymtab_strings : AT(ADDR(__ksymtab_strings) - LOAD_OFFSET) {	\
@@ -54,7 +45,7 @@
  	}								\
  									\
  	/* __*init sections */						\
-@@ -679,6 +700,9 @@
+@@ -679,6 +691,9 @@
  	EXIT_TEXT							\
  	EXIT_DATA							\
  	EXIT_CALL							\
@@ -87,3 +78,14 @@
  	= MODULE_SYMBOL_PREFIX #sym;				\
  	static const struct kernel_symbol __ksymtab_##sym	\
  	__used							\
+--- a/scripts/Makefile.build
++++ b/scripts/Makefile.build
+@@ -348,7 +348,7 @@ targets += $(extra-y) $(MAKECMDGOALS) $(
+ # Linker scripts preprocessor (.lds.S -> .lds)
+ # ---------------------------------------------------------------------------
+ quiet_cmd_cpp_lds_S = LDS     $@
+-      cmd_cpp_lds_S = $(CPP) $(cpp_flags) -P -C -U$(ARCH) \
++      cmd_cpp_lds_S = $(CPP) $(EXTRA_LDSFLAGS) $(cpp_flags) -P -C -U$(ARCH) \
+ 	                     -D__ASSEMBLY__ -DLINKER_SCRIPT -o $@ $<
+ 
+ $(obj)/%.lds: $(src)/%.lds.S FORCE