| /* SPDX-License-Identifier: GPL-2.0-only */ | |
| /* | |
| * linux/arch/unicore32/include/asm/stacktrace.h | |
| * | |
| * Code specific to PKUnity SoC and UniCore ISA | |
| * | |
| * Copyright (C) 2001-2010 GUAN Xue-tao | |
| */ | |
| #ifndef __UNICORE_STACKTRACE_H__ | |
| #define __UNICORE_STACKTRACE_H__ | |
| struct stackframe { | |
| unsigned long fp; | |
| unsigned long sp; | |
| unsigned long lr; | |
| unsigned long pc; | |
| }; | |
| #ifdef CONFIG_FRAME_POINTER | |
| extern int unwind_frame(struct stackframe *frame); | |
| #else | |
| #define unwind_frame(f) (-EINVAL) | |
| #endif | |
| extern void walk_stackframe(struct stackframe *frame, | |
| int (*fn)(struct stackframe *, void *), void *data); | |
| #endif /* __UNICORE_STACKTRACE_H__ */ |