diff options
Diffstat (limited to 'sys/amd64/include/asmacros.h')
| -rw-r--r-- | sys/amd64/include/asmacros.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/sys/amd64/include/asmacros.h b/sys/amd64/include/asmacros.h index 1fb592a..ce4c91a 100644 --- a/sys/amd64/include/asmacros.h +++ b/sys/amd64/include/asmacros.h @@ -132,6 +132,16 @@ #define MEXITCOUNT #endif /* GPROF */ +/* + * Convenience for adding frame pointers to hand-coded ASM. Useful for + * DTrace, HWPMC, and KDB. + */ +#define PUSH_FRAME_POINTER \ + pushq %rbp ; \ + movq %rsp, %rbp ; +#define POP_FRAME_POINTER \ + popq %rbp + #ifdef LOCORE /* * Convenience macro for declaring interrupt entry points. |
