#ifndef __ASM_STACKTRACE_H#define __ASM_STACKTRACE_H struct stackframe {	unsigned long fp;	unsigned long sp;	unsigned long lr;	unsigned long pc;}; extern int unwind_frame(struct stackframe *frame);extern void walk_stackframe(struct stackframe *frame,			    int (*fn)(struct stackframe *, void *), void *data); #endif	/* __ASM_STACKTRACE_H */