LXR linux/arch/unicore32/include/asm/stacktrace.h

   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
  13struct stackframe {
  14        unsigned long fp;
  15        unsigned long sp;
  16        unsigned long lr;
  17        unsigned long pc;
  18};
  19
  20#ifdef CONFIG_FRAME_POINTER
  21extern int unwind_frame(struct stackframe *frame);
  22#else
  23#define unwind_frame(f) (-EINVAL)
  24#endif
  25extern void walk_stackframe(struct stackframe *frame,
  26                            int (*fn)(struct stackframe *, void *), void *data);
  27
  28#endif  /* __UNICORE_STACKTRACE_H__ */
  29