projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 997963ed JP |
1 | #ifndef _ASM_X86_FRAME_H |
| 2 | #define _ASM_X86_FRAME_H | |
| 3 | ||
| 4625cd63 | 4 | #include <asm/asm.h> |
| ecaf45ee | 5 | |
| 997963ed JP |
6 | /* |
| 7 | * These are stack frame creation macros. They should be used by every | |
| 8 | * callable non-leaf asm function to make kernel stack traces more reliable. | |
| 9 | */ | |
| ec518655 | 10 | |
| ecaf45ee | 11 | #ifdef CONFIG_FRAME_POINTER |
| 997963ed | 12 | |
| ec518655 JP |
13 | #ifdef __ASSEMBLY__ |
| 14 | ||
| 997963ed JP |
15 | .macro FRAME_BEGIN |
| 16 | push %_ASM_BP | |
| 17 | _ASM_MOV %_ASM_SP, %_ASM_BP | |
| 18 | .endm | |
| 19 | ||
| 20 | .macro FRAME_END | |
| 21 | pop %_ASM_BP | |
| 22 | .endm | |
| 23 | ||
| ec518655 JP |
24 | #else /* !__ASSEMBLY__ */ |
| 25 | ||
| 26 | #define FRAME_BEGIN \ | |
| 27 | "push %" _ASM_BP "\n" \ | |
| 28 | _ASM_MOV "%" _ASM_SP ", %" _ASM_BP "\n" | |
| 29 | ||
| 30 | #define FRAME_END "pop %" _ASM_BP "\n" | |
| 31 | ||
| 32 | #endif /* __ASSEMBLY__ */ | |
| 33 | ||
| 997963ed JP |
34 | #define FRAME_OFFSET __ASM_SEL(4, 8) |
| 35 | ||
| 36 | #else /* !CONFIG_FRAME_POINTER */ | |
| 37 | ||
| 38 | #define FRAME_BEGIN | |
| 39 | #define FRAME_END | |
| 40 | #define FRAME_OFFSET 0 | |
| 41 | ||
| 42 | #endif /* CONFIG_FRAME_POINTER */ | |
| 7e02cb94 | 43 | |
| 997963ed | 44 | #endif /* _ASM_X86_FRAME_H */ |