openwrtv4/target/linux/generic-2.6/patches-2.6.31/028-module_exports.patch
Florian Fainelli 21367682e8 update to 2.6.31.5
SVN-Revision: 18127
2009-10-23 12:13:00 +00:00

209 lines
5.9 KiB
Diff

Index: linux-2.6.31.5/include/asm-generic/vmlinux.lds.h
===================================================================
--- linux-2.6.31.5.orig/include/asm-generic/vmlinux.lds.h 2009-10-23 00:57:56.000000000 +0200
+++ linux-2.6.31.5/include/asm-generic/vmlinux.lds.h 2009-10-23 12:43:50.000000000 +0200
@@ -55,6 +55,27 @@
#define LOAD_OFFSET 0
#endif
+#ifndef SYMTAB_KEEP_STR
+#define SYMTAB_KEEP_STR *(__ksymtab_strings.*)
+#define SYMTAB_DISCARD_STR
+#else
+#define SYMTAB_DISCARD_STR *(__ksymtab_strings.*)
+#endif
+
+#ifndef SYMTAB_KEEP
+#define SYMTAB_KEEP *(__ksymtab.*)
+#define SYMTAB_DISCARD
+#else
+#define SYMTAB_DISCARD *(__ksymtab.*)
+#endif
+
+#ifndef SYMTAB_KEEP_GPL
+#define SYMTAB_KEEP_GPL *(__ksymtab_gpl.*)
+#define SYMTAB_DISCARD_GPL
+#else
+#define SYMTAB_DISCARD_GPL *(__ksymtab_gpl.*)
+#endif
+
#ifndef VMLINUX_SYMBOL
#define VMLINUX_SYMBOL(_sym_) _sym_
#endif
@@ -256,35 +277,35 @@
/* Kernel symbol table: Normal symbols */ \
__ksymtab : AT(ADDR(__ksymtab) - LOAD_OFFSET) { \
VMLINUX_SYMBOL(__start___ksymtab) = .; \
- *(__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) = .; \
- *(__ksymtab_gpl) \
+ SYMTAB_KEEP_GPL \
VMLINUX_SYMBOL(__stop___ksymtab_gpl) = .; \
} \
\
/* Kernel symbol table: Normal unused symbols */ \
__ksymtab_unused : AT(ADDR(__ksymtab_unused) - LOAD_OFFSET) { \
VMLINUX_SYMBOL(__start___ksymtab_unused) = .; \
- *(__ksymtab_unused) \
+ *(__ksymtab_unused.*) \
VMLINUX_SYMBOL(__stop___ksymtab_unused) = .; \
} \
\
/* Kernel symbol table: GPL-only unused symbols */ \
__ksymtab_unused_gpl : AT(ADDR(__ksymtab_unused_gpl) - LOAD_OFFSET) { \
VMLINUX_SYMBOL(__start___ksymtab_unused_gpl) = .; \
- *(__ksymtab_unused_gpl) \
+ *(__ksymtab_unused_gpl.*) \
VMLINUX_SYMBOL(__stop___ksymtab_unused_gpl) = .; \
} \
\
/* Kernel symbol table: GPL-future-only symbols */ \
__ksymtab_gpl_future : AT(ADDR(__ksymtab_gpl_future) - LOAD_OFFSET) { \
VMLINUX_SYMBOL(__start___ksymtab_gpl_future) = .; \
- *(__ksymtab_gpl_future) \
+ *(__ksymtab_gpl_future.*) \
VMLINUX_SYMBOL(__stop___ksymtab_gpl_future) = .; \
} \
\
@@ -325,7 +346,13 @@
\
/* Kernel symbol table: strings */ \
__ksymtab_strings : AT(ADDR(__ksymtab_strings) - LOAD_OFFSET) { \
- *(__ksymtab_strings) \
+ SYMTAB_KEEP_STR \
+ } \
+ \
+ /DISCARD/ : { \
+ SYMTAB_DISCARD \
+ SYMTAB_DISCARD_GPL \
+ SYMTAB_DISCARD_STR \
} \
\
/* __*init sections */ \
Index: linux-2.6.31.5/include/linux/module.h
===================================================================
--- linux-2.6.31.5.orig/include/linux/module.h 2009-10-23 00:57:56.000000000 +0200
+++ linux-2.6.31.5/include/linux/module.h 2009-10-23 12:43:50.000000000 +0200
@@ -188,16 +188,24 @@
#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))) \
= MODULE_SYMBOL_PREFIX #sym; \
static const struct kernel_symbol __ksymtab_##sym \
__used \
- __attribute__((section("__ksymtab" sec), unused)) \
+ __attribute__((section("__ksymtab" sec \
+ __EXPORT_SUFFIX(sym)), unused)) \
= { (unsigned long)&sym, __kstrtab_##sym }
#define EXPORT_SYMBOL(sym) \
Index: linux-2.6.31.5/arch/arm/kernel/vmlinux.lds.S
===================================================================
--- linux-2.6.31.5.orig/arch/arm/kernel/vmlinux.lds.S 2009-10-23 00:57:56.000000000 +0200
+++ linux-2.6.31.5/arch/arm/kernel/vmlinux.lds.S 2009-10-23 12:43:50.000000000 +0200
@@ -79,26 +79,6 @@
#endif
}
- /DISCARD/ : { /* Exit code and data */
- EXIT_TEXT
- EXIT_DATA
- *(.exitcall.exit)
- *(.ARM.exidx.exit.text)
- *(.ARM.extab.exit.text)
-#ifndef CONFIG_HOTPLUG_CPU
- *(.ARM.exidx.cpuexit.text)
- *(.ARM.extab.cpuexit.text)
-#endif
-#ifndef CONFIG_HOTPLUG
- *(.ARM.exidx.devexit.text)
- *(.ARM.extab.devexit.text)
-#endif
-#ifndef CONFIG_MMU
- *(.fixup)
- *(__ex_table)
-#endif
- }
-
.text : { /* Real text segment */
_text = .; /* Text and read-only data */
__exception_text_start = .;
@@ -205,6 +185,28 @@
__bss_stop = .;
_end = .;
}
+
+ /DISCARD/ : { /* Exit code and data */
+ EXIT_TEXT
+ EXIT_DATA
+ *(.discard)
+ *(.exitcall.exit)
+ *(.ARM.exidx.exit.text)
+ *(.ARM.extab.exit.text)
+#ifndef CONFIG_HOTPLUG_CPU
+ *(.ARM.exidx.cpuexit.text)
+ *(.ARM.extab.cpuexit.text)
+#endif
+#ifndef CONFIG_HOTPLUG
+ *(.ARM.exidx.devexit.text)
+ *(.ARM.extab.devexit.text)
+#endif
+#ifndef CONFIG_MMU
+ *(.fixup)
+ *(__ex_table)
+#endif
+ }
+
/* Stabs debugging sections. */
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }
Index: linux-2.6.31.5/arch/powerpc/kernel/vmlinux.lds.S
===================================================================
--- linux-2.6.31.5.orig/arch/powerpc/kernel/vmlinux.lds.S 2009-10-23 00:57:56.000000000 +0200
+++ linux-2.6.31.5/arch/powerpc/kernel/vmlinux.lds.S 2009-10-23 12:43:50.000000000 +0200
@@ -37,12 +37,6 @@
#endif
SECTIONS
{
- /* Sections to be discarded. */
- /DISCARD/ : {
- *(.exitcall.exit)
- EXIT_DATA
- }
-
. = KERNELBASE;
/*
@@ -295,6 +289,12 @@
__bss_stop = .;
}
+ /* Sections to be discarded. */
+ /DISCARD/ : {
+ *(.exitcall.exit)
+ EXIT_DATA
+ }
+
. = ALIGN(PAGE_SIZE);
_end = . ;
PROVIDE32 (end = .);