diff options
Diffstat (limited to 'include/linux/export.h')
| -rw-r--r-- | include/linux/export.h | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/include/linux/export.h b/include/linux/export.h index d7df4922da1d..2a0f61fbc731 100644 --- a/include/linux/export.h +++ b/include/linux/export.h | |||
| @@ -1,5 +1,6 @@ | |||
| 1 | #ifndef _LINUX_EXPORT_H | 1 | #ifndef _LINUX_EXPORT_H |
| 2 | #define _LINUX_EXPORT_H | 2 | #define _LINUX_EXPORT_H |
| 3 | |||
| 3 | /* | 4 | /* |
| 4 | * Export symbols from the kernel to modules. Forked from module.h | 5 | * Export symbols from the kernel to modules. Forked from module.h |
| 5 | * to reduce the amount of pointless cruft we feed to gcc when only | 6 | * to reduce the amount of pointless cruft we feed to gcc when only |
| @@ -42,27 +43,26 @@ extern struct module __this_module; | |||
| 42 | #ifdef CONFIG_MODVERSIONS | 43 | #ifdef CONFIG_MODVERSIONS |
| 43 | /* Mark the CRC weak since genksyms apparently decides not to | 44 | /* Mark the CRC weak since genksyms apparently decides not to |
| 44 | * generate a checksums for some symbols */ | 45 | * generate a checksums for some symbols */ |
| 45 | #define __CRC_SYMBOL(sym, sec) \ | 46 | #define __CRC_SYMBOL(sym, sec) \ |
| 46 | extern __visible void *__crc_##sym __attribute__((weak)); \ | 47 | extern __visible void *__crc_##sym __attribute__((weak)); \ |
| 47 | static const unsigned long __kcrctab_##sym \ | 48 | static const unsigned long __kcrctab_##sym \ |
| 48 | __used \ | 49 | __used \ |
| 49 | __attribute__((section("___kcrctab" sec "+" #sym), unused)) \ | 50 | __attribute__((section("___kcrctab" sec "+" #sym), used)) \ |
| 50 | = (unsigned long) &__crc_##sym; | 51 | = (unsigned long) &__crc_##sym; |
| 51 | #else | 52 | #else |
| 52 | #define __CRC_SYMBOL(sym, sec) | 53 | #define __CRC_SYMBOL(sym, sec) |
| 53 | #endif | 54 | #endif |
| 54 | 55 | ||
| 55 | /* For every exported symbol, place a struct in the __ksymtab section */ | 56 | /* For every exported symbol, place a struct in the __ksymtab section */ |
| 56 | #define ___EXPORT_SYMBOL(sym, sec) \ | 57 | #define ___EXPORT_SYMBOL(sym, sec) \ |
| 57 | extern typeof(sym) sym; \ | 58 | extern typeof(sym) sym; \ |
| 58 | __CRC_SYMBOL(sym, sec) \ | 59 | __CRC_SYMBOL(sym, sec) \ |
| 59 | static const char __kstrtab_##sym[] \ | 60 | static const char __kstrtab_##sym[] \ |
| 60 | __attribute__((section("__ksymtab_strings"), aligned(1))) \ | 61 | __attribute__((section("__ksymtab_strings"), aligned(1))) \ |
| 61 | = VMLINUX_SYMBOL_STR(sym); \ | 62 | = VMLINUX_SYMBOL_STR(sym); \ |
| 62 | extern const struct kernel_symbol __ksymtab_##sym; \ | 63 | static const struct kernel_symbol __ksymtab_##sym \ |
| 63 | __visible const struct kernel_symbol __ksymtab_##sym \ | 64 | __used \ |
| 64 | __used \ | 65 | __attribute__((section("___ksymtab" sec "+" #sym), used)) \ |
| 65 | __attribute__((section("___ksymtab" sec "+" #sym), unused)) \ | ||
| 66 | = { (unsigned long)&sym, __kstrtab_##sym } | 66 | = { (unsigned long)&sym, __kstrtab_##sym } |
| 67 | 67 | ||
| 68 | #if defined(__KSYM_DEPS__) | 68 | #if defined(__KSYM_DEPS__) |