| #ifndef _LINUX_FRAME_H |
| #define _LINUX_FRAME_H |
| |
| #ifdef CONFIG_STACK_VALIDATION |
| /* |
| * This macro marks the given function's stack frame as "non-standard", which |
| * tells objtool to ignore the function when doing stack metadata validation. |
| * It should only be used in special cases where you're 100% sure it won't |
| * affect the reliability of frame pointers and kernel stack traces. |
| * |
| * For more information, see tools/objtool/Documentation/stack-validation.txt. |
| */ |
| #define STACK_FRAME_NON_STANDARD(func) \ |
| static void __used __section(.discard.func_stack_frame_non_standard) \ |
| *__func_stack_frame_non_standard_##func = func |
| |
| #else /* !CONFIG_STACK_VALIDATION */ |
| |
| #define STACK_FRAME_NON_STANDARD(func) |
| |
| #endif /* CONFIG_STACK_VALIDATION */ |
| |
| #endif /* _LINUX_FRAME_H */ |