LXR linux/arch/microblaze/kernel/stacktrace.c

   1/*
   2 * Stack trace support for Microblaze.
   3 *
   4 * Copyright (C) 2009 Michal Simek <monstr@monstr.eu>
   5 * Copyright (C) 2009 PetaLogix
   6 *
   7 * This file is subject to the terms and conditions of the GNU General Public
   8 * License. See the file "COPYING" in the main directory of this archive
   9 * for more details.
  10 */
  11
  12#include <linux/export.h>
  13#include <linux/sched.h>
  14#include <linux/stacktrace.h>
  15#include <linux/thread_info.h>
  16#include <linux/ptrace.h>
  17#include <asm/unwind.h>
  18
  19void save_stack_trace(struct stack_trace *trace)
  20{
  21        /* Exclude our helper functions from the trace*/
  22        trace->skip += 2;
  23        microblaze_unwind(NULL, trace, "");
  24}
  25EXPORT_SYMBOL_GPL(save_stack_trace);
  26
  27void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
  28{
  29        microblaze_unwind(tsk, trace, "");
  30}
  31EXPORT_SYMBOL_GPL(save_stack_trace_tsk);
  32