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