| 4,7 → 4,7 |
|---|
| |
| /* GCC 4.1.[01] miscompiles __weak */ |
| #ifdef __KERNEL__ |
| # if __GNUC_MINOR__ == 1 && __GNUC_PATCHLEVEL__ <= 1 |
| # if GCC_VERSION >= 40100 && GCC_VERSION <= 40101 |
| # error Your version of gcc miscompiles the __weak directive |
| # endif |
| #endif |
| 13,7 → 13,11 |
|---|
| #define __must_check __attribute__((warn_unused_result)) |
| #define __compiler_offsetof(a,b) __builtin_offsetof(a,b) |
| |
| #if __GNUC_MINOR__ >= 3 |
| #if GCC_VERSION >= 40100 |
| # define __compiletime_object_size(obj) __builtin_object_size(obj, 0) |
| #endif |
| |
| #if GCC_VERSION >= 40300 |
| /* Mark functions as cold. gcc will assume any path leading to a call |
| to them will be unlikely. This means a lot of manual unlikely()s |
| are unnecessary now for any paths leading to the usual suspects |
| 29,9 → 33,15 |
|---|
| the kernel context */ |
| #define __cold __attribute__((__cold__)) |
| |
| #define __linktime_error(message) __attribute__((__error__(message))) |
| #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__) |
| |
| #if __GNUC_MINOR__ >= 5 |
| #ifndef __CHECKER__ |
| # define __compiletime_warning(message) __attribute__((warning(message))) |
| # define __compiletime_error(message) __attribute__((error(message))) |
| #endif /* __CHECKER__ */ |
| #endif /* GCC_VERSION >= 40300 */ |
| |
| #if GCC_VERSION >= 40500 |
| /* |
| * Mark a position in code as unreachable. This can be used to |
| * suppress control flow warnings after asm blocks that transfer |
| 46,10 → 56,9 |
|---|
| /* Mark a function definition as prohibited from being cloned. */ |
| #define __noclone __attribute__((__noclone__)) |
| |
| #endif |
| #endif |
| #endif /* GCC_VERSION >= 40500 */ |
| |
| #if __GNUC_MINOR__ >= 6 |
| #if GCC_VERSION >= 40600 |
| /* |
| * Tell the optimizer that something else uses this function or variable. |
| */ |
| 56,20 → 65,13 |
|---|
| #define __visible __attribute__((externally_visible)) |
| #endif |
| |
| #if __GNUC_MINOR__ > 0 |
| #define __compiletime_object_size(obj) __builtin_object_size(obj, 0) |
| #endif |
| #if __GNUC_MINOR__ >= 3 && !defined(__CHECKER__) |
| #define __compiletime_warning(message) __attribute__((warning(message))) |
| #define __compiletime_error(message) __attribute__((error(message))) |
| #endif |
| |
| #ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP |
| #if __GNUC_MINOR__ >= 4 |
| #if GCC_VERSION >= 40400 |
| #define __HAVE_BUILTIN_BSWAP32__ |
| #define __HAVE_BUILTIN_BSWAP64__ |
| #endif |
| #if __GNUC_MINOR__ >= 8 || (defined(__powerpc__) && __GNUC_MINOR__ >= 6) |
| #if GCC_VERSION >= 40800 || (defined(__powerpc__) && GCC_VERSION >= 40600) |
| #define __HAVE_BUILTIN_BSWAP16__ |
| #endif |
| #endif |
| #endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */ |