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