include/linux/stackdepot.h

   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