1 /*
2  * Copyright (C) 2012 ARM Ltd.
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License version 2 as
6  * published by the Free Software Foundation.
7  *
8  * This program is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11  * GNU General Public License for more details.
12  *
13  * You should have received a copy of the GNU General Public License
14  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
15  */
16 #ifndef __ASM_STACKTRACE_H
17 #define __ASM_STACKTRACE_H
18 
19 struct stackframe {
20 	unsigned long fp;
21 	unsigned long sp;
22 	unsigned long pc;
23 };
24 
25 extern int unwind_frame(struct stackframe *frame);
26 extern void walk_stackframe(struct stackframe *frame,
27 			    int (*fn)(struct stackframe *, void *), void *data);
28 
29 #endif	/* __ASM_STACKTRACE_H */
30