1/*
2 * linux/arch/unicore32/include/asm/stacktrace.h
3 *
4 * Code specific to PKUnity SoC and UniCore ISA
5 *
6 * Copyright (C) 2001-2010 GUAN Xue-tao
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 */
12
13#ifndef __UNICORE_STACKTRACE_H__
14#define __UNICORE_STACKTRACE_H__
15
16struct stackframe {
17	unsigned long fp;
18	unsigned long sp;
19	unsigned long lr;
20	unsigned long pc;
21};
22
23#ifdef CONFIG_FRAME_POINTER
24extern int unwind_frame(struct stackframe *frame);
25#else
26#define unwind_frame(f) (-EINVAL)
27#endif
28extern void walk_stackframe(struct stackframe *frame,
29			    int (*fn)(struct stackframe *, void *), void *data);
30
31#endif	/* __UNICORE_STACKTRACE_H__ */
32