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