root/arch/unicore32/include/asm/stacktrace.h

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INCLUDED FROM

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * linux/arch/unicore32/include/asm/stacktrace.h
   4  *
   5  * Code specific to PKUnity SoC and UniCore ISA
   6  *
   7  * Copyright (C) 2001-2010 GUAN Xue-tao
   8  */
   9 
  10 #ifndef __UNICORE_STACKTRACE_H__
  11 #define __UNICORE_STACKTRACE_H__
  12 
  13 struct stackframe {
  14         unsigned long fp;
  15         unsigned long sp;
  16         unsigned long lr;
  17         unsigned long pc;
  18 };
  19 
  20 #ifdef CONFIG_FRAME_POINTER
  21 extern int unwind_frame(struct stackframe *frame);
  22 #else
  23 #define unwind_frame(f) (-EINVAL)
  24 #endif
  25 extern void walk_stackframe(struct stackframe *frame,
  26                             int (*fn)(struct stackframe *, void *), void *data);
  27 
  28 #endif  /* __UNICORE_STACKTRACE_H__ */
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