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  1. /**************************************************************************
  2.  *
  3.  * Copyright 2009 VMware, Inc.
  4.  * All Rights Reserved.
  5.  *
  6.  * Permission is hereby granted, free of charge, to any person obtaining a
  7.  * copy of this software and associated documentation files (the
  8.  * "Software"), to deal in the Software without restriction, including
  9.  * without limitation the rights to use, copy, modify, merge, publish,
  10.  * distribute, sub license, and/or sell copies of the Software, and to
  11.  * permit persons to whom the Software is furnished to do so, subject to
  12.  * the following conditions:
  13.  *
  14.  * The above copyright notice and this permission notice (including the
  15.  * next paragraph) shall be included in all copies or substantial portions
  16.  * of the Software.
  17.  *
  18.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19.  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20.  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21.  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  22.  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23.  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24.  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25.  *
  26.  **************************************************************************/
  27.  
  28. #ifndef U_DEBUG_STACK_H_
  29. #define U_DEBUG_STACK_H_
  30.  
  31.  
  32. /**
  33.  * @file
  34.  * Stack backtracing.
  35.  *
  36.  * @author Jose Fonseca <jfonseca@vmware.com>
  37.  */
  38.  
  39.  
  40. #ifdef  __cplusplus
  41. extern "C" {
  42. #endif
  43.  
  44.  
  45. /**
  46.  * Represent a frame from a stack backtrace.
  47.  *
  48.  * XXX: Do not change this.
  49.  *
  50.  * TODO: This should be refactored as a void * typedef.
  51.  */
  52. struct debug_stack_frame
  53. {
  54.    const void *function;
  55. };
  56.    
  57.  
  58. void
  59. debug_backtrace_capture(struct debug_stack_frame *backtrace,
  60.                         unsigned start_frame,
  61.                         unsigned nr_frames);
  62.  
  63. void
  64. debug_backtrace_dump(const struct debug_stack_frame *backtrace,
  65.                      unsigned nr_frames);
  66.  
  67.  
  68. #ifdef  __cplusplus
  69. }
  70. #endif
  71.  
  72. #endif /* U_DEBUG_STACK_H_ */
  73.