diff options
| author | Jonas Gorski <jogo@openwrt.org> | 2011-08-09 12:19:43 +0000 |
|---|---|---|
| committer | Jonas Gorski <jogo@openwrt.org> | 2011-08-09 12:19:43 +0000 |
| commit | cf2070bd5b394d5c3fcfae577bd623a6e8a7f0c4 (patch) | |
| tree | f0d9e62c746434dde7a45ed0debd3eb94b92dc65 /target/linux/generic/patches-3.1/220-module_exports.patch | |
| parent | a5f2fd63598414246a497e08a4433a0116f2f606 (diff) | |
| download | upstream-cf2070bd5b394d5c3fcfae577bd623a6e8a7f0c4.tar.gz upstream-cf2070bd5b394d5c3fcfae577bd623a6e8a7f0c4.tar.bz2 upstream-cf2070bd5b394d5c3fcfae577bd623a6e8a7f0c4.zip | |
linux: generic: add support for 3.1-rc1
SVN-Revision: 27940
Diffstat (limited to 'target/linux/generic/patches-3.1/220-module_exports.patch')
| -rw-r--r-- | target/linux/generic/patches-3.1/220-module_exports.patch | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.1/220-module_exports.patch b/target/linux/generic/patches-3.1/220-module_exports.patch new file mode 100644 index 0000000000..257a530187 --- /dev/null +++ b/target/linux/generic/patches-3.1/220-module_exports.patch @@ -0,0 +1,89 @@ +--- a/include/asm-generic/vmlinux.lds.h ++++ b/include/asm-generic/vmlinux.lds.h +@@ -52,6 +52,27 @@ + #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 *(SORT(___ksymtab+*)) ++#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+*)) ++#endif ++ + #ifndef SYMBOL_PREFIX + #define VMLINUX_SYMBOL(sym) sym + #else +@@ -276,14 +297,14 @@ + /* Kernel symbol table: Normal symbols */ \ + __ksymtab : AT(ADDR(__ksymtab) - LOAD_OFFSET) { \ + VMLINUX_SYMBOL(__start___ksymtab) = .; \ +- *(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) = .; \ +- *(SORT(___ksymtab_gpl+*)) \ ++ SYMTAB_KEEP_GPL \ + VMLINUX_SYMBOL(__stop___ksymtab_gpl) = .; \ + } \ + \ +@@ -345,7 +366,7 @@ + \ + /* Kernel symbol table: strings */ \ + __ksymtab_strings : AT(ADDR(__ksymtab_strings) - LOAD_OFFSET) { \ +- *(__ksymtab_strings) \ ++ SYMTAB_KEEP_STR \ + } \ + \ + /* __*init sections */ \ +@@ -677,6 +698,9 @@ + EXIT_TEXT \ + EXIT_DATA \ + EXIT_CALL \ ++ SYMTAB_DISCARD \ ++ SYMTAB_DISCARD_GPL \ ++ SYMTAB_DISCARD_STR \ + *(.discard) \ + *(.discard.*) \ + } +--- a/include/linux/module.h ++++ b/include/linux/module.h +@@ -232,12 +232,19 @@ struct module_use { + #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 \ |