diff options
Diffstat (limited to 'arch/x86/include/asm/unwind.h')
| -rw-r--r-- | arch/x86/include/asm/unwind.h | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/arch/x86/include/asm/unwind.h b/arch/x86/include/asm/unwind.h index 46de9ac4b990..c5a7f3a930dd 100644 --- a/arch/x86/include/asm/unwind.h +++ b/arch/x86/include/asm/unwind.h @@ -13,6 +13,7 @@ struct unwind_state { int graph_idx; #ifdef CONFIG_FRAME_POINTER unsigned long *bp; + struct pt_regs *regs; #else unsigned long *sp; #endif @@ -47,7 +48,15 @@ unsigned long *unwind_get_return_address_ptr(struct unwind_state *state) if (unwind_done(state)) return NULL; - return state->bp + 1; + return state->regs ? &state->regs->ip : state->bp + 1; +} + +static inline struct pt_regs *unwind_get_entry_regs(struct unwind_state *state) +{ + if (unwind_done(state)) + return NULL; + + return state->regs; } #else /* !CONFIG_FRAME_POINTER */ @@ -58,6 +67,11 @@ unsigned long *unwind_get_return_address_ptr(struct unwind_state *state) return NULL; } +static inline struct pt_regs *unwind_get_entry_regs(struct unwind_state *state) +{ + return NULL; +} + #endif /* CONFIG_FRAME_POINTER */ #endif /* _ASM_X86_UNWIND_H */ |