diff options
Diffstat (limited to 'include/linux/compiler-gcc.h')
| -rw-r--r-- | include/linux/compiler-gcc.h | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h index cd4bbe8242bd..179375b2d862 100644 --- a/include/linux/compiler-gcc.h +++ b/include/linux/compiler-gcc.h | |||
| @@ -203,11 +203,16 @@ | |||
| 203 | 203 | ||
| 204 | #ifdef CONFIG_STACK_VALIDATION | 204 | #ifdef CONFIG_STACK_VALIDATION |
| 205 | #define annotate_unreachable() ({ \ | 205 | #define annotate_unreachable() ({ \ |
| 206 | asm("%c0:\t\n" \ | 206 | asm("%c0:\n\t" \ |
| 207 | ".pushsection .discard.unreachable\t\n" \ | 207 | ".pushsection .discard.unreachable\n\t" \ |
| 208 | ".long %c0b - .\t\n" \ | 208 | ".long %c0b - .\n\t" \ |
| 209 | ".popsection\t\n" : : "i" (__LINE__)); \ | 209 | ".popsection\n\t" : : "i" (__LINE__)); \ |
| 210 | }) | 210 | }) |
| 211 | #define ASM_UNREACHABLE \ | ||
| 212 | "999:\n\t" \ | ||
| 213 | ".pushsection .discard.unreachable\n\t" \ | ||
| 214 | ".long 999b - .\n\t" \ | ||
| 215 | ".popsection\n\t" | ||
| 211 | #else | 216 | #else |
| 212 | #define annotate_unreachable() | 217 | #define annotate_unreachable() |
| 213 | #endif | 218 | #endif |