diff options
Diffstat (limited to 'include/linux/compiler-gcc.h')
-rw-r--r-- | include/linux/compiler-gcc.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h index 7deaae3dc87d..c4a66c036692 100644 --- a/include/linux/compiler-gcc.h +++ b/include/linux/compiler-gcc.h | |||
@@ -231,6 +231,7 @@ | |||
231 | #endif /* GCC_VERSION >= 40500 */ | 231 | #endif /* GCC_VERSION >= 40500 */ |
232 | 232 | ||
233 | #if GCC_VERSION >= 40600 | 233 | #if GCC_VERSION >= 40600 |
234 | |||
234 | /* | 235 | /* |
235 | * When used with Link Time Optimization, gcc can optimize away C functions or | 236 | * When used with Link Time Optimization, gcc can optimize away C functions or |
236 | * variables which are referenced only from assembly code. __visible tells the | 237 | * variables which are referenced only from assembly code. __visible tells the |
@@ -238,7 +239,17 @@ | |||
238 | * this. | 239 | * this. |
239 | */ | 240 | */ |
240 | #define __visible __attribute__((externally_visible)) | 241 | #define __visible __attribute__((externally_visible)) |
241 | #endif | 242 | |
243 | /* | ||
244 | * RANDSTRUCT_PLUGIN wants to use an anonymous struct, but it is only | ||
245 | * possible since GCC 4.6. To provide as much build testing coverage | ||
246 | * as possible, this is used for all GCC 4.6+ builds, and not just on | ||
247 | * RANDSTRUCT_PLUGIN builds. | ||
248 | */ | ||
249 | #define randomized_struct_fields_start struct { | ||
250 | #define randomized_struct_fields_end } __randomize_layout; | ||
251 | |||
252 | #endif /* GCC_VERSION >= 40600 */ | ||
242 | 253 | ||
243 | 254 | ||
244 | #if GCC_VERSION >= 40900 && !defined(__CHECKER__) | 255 | #if GCC_VERSION >= 40900 && !defined(__CHECKER__) |