1 /*
2  * A generic stack depot implementation
3  *
4  * Author: Alexander Potapenko <glider@google.com>
5  * Copyright (C) 2016 Google, Inc.
6  *
7  * Based on code by Dmitry Chernenkov.
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  * GNU General Public License for more details.
18  *
19  */
20 
21 #ifndef _LINUX_STACKDEPOT_H
22 #define _LINUX_STACKDEPOT_H
23 
24 typedef u32 depot_stack_handle_t;
25 
26 struct stack_trace;
27 
28 depot_stack_handle_t depot_save_stack(struct stack_trace *trace, gfp_t flags);
29 
30 void depot_fetch_stack(depot_stack_handle_t handle, struct stack_trace *trace);
31 
32 #endif
33