diff --git a/arch/x86/include/asm/unwind.h b/arch/x86/include/asm/unwind.h index c4b6d1cafa4659caa82c660eda69ab2a52720ebf..46de9ac4b9905b9e152a937b2b76613b01e0f5ee 100644 --- a/arch/x86/include/asm/unwind.h +++ b/arch/x86/include/asm/unwind.h @@ -23,6 +23,8 @@ void __unwind_start(struct unwind_state *state, struct task_struct *task, bool unwind_next_frame(struct unwind_state *state); +unsigned long unwind_get_return_address(struct unwind_state *state); + static inline bool unwind_done(struct unwind_state *state) { return state->stack_info.type == STACK_TYPE_UNKNOWN; @@ -48,8 +50,6 @@ unsigned long *unwind_get_return_address_ptr(struct unwind_state *state) return state->bp + 1; } -unsigned long unwind_get_return_address(struct unwind_state *state); - #else /* !CONFIG_FRAME_POINTER */ static inline @@ -58,16 +58,6 @@ unsigned long *unwind_get_return_address_ptr(struct unwind_state *state) return NULL; } -static inline -unsigned long unwind_get_return_address(struct unwind_state *state) -{ - if (unwind_done(state)) - return 0; - - return ftrace_graph_ret_addr(state->task, &state->graph_idx, - *state->sp, state->sp); -} - #endif /* CONFIG_FRAME_POINTER */ #endif /* _ASM_X86_UNWIND_H */ diff --git a/arch/x86/kernel/unwind_guess.c b/arch/x86/kernel/unwind_guess.c index b5a834c930656d7f5b69e81bab3755f71164d6bc..9298993dc8b715adb79e78f2f71be74402e68b7d 100644 --- a/arch/x86/kernel/unwind_guess.c +++ b/arch/x86/kernel/unwind_guess.c @@ -5,6 +5,16 @@ #include <asm/stacktrace.h> #include <asm/unwind.h> +unsigned long unwind_get_return_address(struct unwind_state *state) +{ + if (unwind_done(state)) + return 0; + + return ftrace_graph_ret_addr(state->task, &state->graph_idx, + *state->sp, state->sp); +} +EXPORT_SYMBOL_GPL(unwind_get_return_address); + bool unwind_next_frame(struct unwind_state *state) { struct stack_info *info = &state->stack_info;