arch/unicore32/include/asm/stacktrace.h

   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
  16 struct stackframe {
  17         unsigned long fp;
  18         unsigned long sp;
  19         unsigned long lr;
  20         unsigned long pc;
  21 };
  22
  23 #ifdef CONFIG_FRAME_POINTER
  24 extern int unwind_frame(struct stackframe *frame);
  25 #else
  26 #define unwind_frame(f) (-EINVAL)
  27 #endif
  28 extern void walk_stackframe(struct stackframe *frame,
  29                             int (*fn)(struct stackframe *, void *), void *data);
  30
  31 #endif  /* __UNICORE_STACKTRACE_H__ */