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
19 void 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 }
25 EXPORT_SYMBOL_GPL(save_stack_trace);
26
27 void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
28 {
29 microblaze_unwind(tsk, trace, "");
30 }
31 EXPORT_SYMBOL_GPL(save_stack_trace_tsk);
32
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