/*
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* linux/arch/unicore32/include/asm/stacktrace.h
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*
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* Code specific to PKUnity SoC and UniCore ISA
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*
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* Copyright (C) 2001-2010 GUAN Xue-tao
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __UNICORE_STACKTRACE_H__
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#define __UNICORE_STACKTRACE_H__
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struct stackframe {
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unsigned long fp;
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unsigned long sp;
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unsigned long lr;
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unsigned long pc;
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};
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#ifdef CONFIG_FRAME_POINTER
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extern int unwind_frame(struct stackframe *frame);
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#else
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#define unwind_frame(f) (-EINVAL)
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#endif
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extern void walk_stackframe(struct stackframe *frame,
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int (*fn)(struct stackframe *, void *), void *data);
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#endif /* __UNICORE_STACKTRACE_H__ */
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