tools/jprof/stub/libmalloc.h

   1 /* ***** BEGIN LICENSE BLOCK *****
   2  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   3  *
   4  * The contents of this file are subject to the Mozilla Public License Version
   5  * 1.1 (the "License"); you may not use this file except in compliance with
   6  * the License. You may obtain a copy of the License at
   7  * http://www.mozilla.org/MPL/
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   9  * Software distributed under the License is distributed on an "AS IS" basis,
  10  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  11  * for the specific language governing rights and limitations under the
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  13  *
  14  * The Original Code is mozilla.org code.
  15  *
  16  * The Initial Developer of the Original Code is Kipp E.B. Hickman.
  17  * Portions created by the Initial Developer are Copyright (C) 1998
  18  * the Initial Developer. All Rights Reserved.
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  20  * Contributor(s):
  21  *
  22  * Alternatively, the contents of this file may be used under the terms of
  23  * either the GNU General Public License Version 2 or later (the "GPL"), or
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  25  * in which case the provisions of the GPL or the LGPL are applicable instead
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  34  * ***** END LICENSE BLOCK ***** */
  35
  36 #ifndef libmalloc_h___
  37 #define libmalloc_h___
  38
  39 #include <sys/types.h>
  40 #include <malloc.h>
  41
  42 #ifdef __cplusplus
  43 extern "C" {
  44 #endif
  45
  46 #include "config.h"
  47
  48 typedef unsigned long u_long;
  49
  50 // Format of a malloc log entry. This is what's written out to the
  51 // "malloc-log" file.
  52 struct malloc_log_entry {
  53   u_long delTime;
  54   u_long numpcs;
  55   char* pcs[MAX_STACK_CRAWL];
  56 };
  57
  58 // type's
  59 #define malloc_log_stack   7
  60
  61 // Format of a malloc map entry; after this struct is nameLen+1 bytes of
  62 // name data.
  63 struct malloc_map_entry {
  64   u_long nameLen;
  65   u_long address;               // base address
  66 };
  67
  68 // A method that can be called if you want to programmatically control
  69 // the malloc logging. Note that you must link with the library to do
  70 // this (or use dlsym after dynamically loading the library...)
  71 extern u_long SetMallocFlags(u_long flags);
  72
  73 // The environment variable LIBMALLOC_LOG should be set to an integer
  74 // value whose meaning is as follows:
  75
  76 // Enable logging
  77 #define LIBMALLOC_LOG    0x1
  78
  79 // Don't free memory when set
  80 #define LIBMALLOC_NOFREE 0x2
  81
  82 // Check heap for corruption after every malloc/free/realloc
  83 #define LIBMALLOC_CHECK  0x4
  84
  85 // Log reference count calls (addref/release)
  86 #define LIBMALLOC_LOG_RC 0x8
  87
  88 // Log a stack trace
  89 #define LIBMALLOC_LOG_TRACE 0x10
  90
  91 void __log_addref(void* p, int oldrc, int newrc);
  92 void __log_release(void* p, int oldrc, int newrc);
  93
  94 #ifdef __cplusplus
  95 } /* end of extern "C" */
  96 #endif
  97
  98 #endif /* libmalloc_h___ */