gecko/tools/jprof/stub/libmalloc.h

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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Kipp E.B. Hickman.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef libmalloc_h___
#define libmalloc_h___
#include <sys/types.h>
#include <malloc.h>
#ifdef __cplusplus
extern "C" {
#endif
#include "config.h"
typedef unsigned long u_long;
// Format of a malloc log entry. This is what's written out to the
// "malloc-log" file.
struct malloc_log_entry {
u_long delTime;
u_long numpcs;
char* pcs[MAX_STACK_CRAWL];
};
// type's
#define malloc_log_stack 7
// Format of a malloc map entry; after this struct is nameLen+1 bytes of
// name data.
struct malloc_map_entry {
u_long nameLen;
u_long address; // base address
};
// A method that can be called if you want to programmatically control
// the malloc logging. Note that you must link with the library to do
// this (or use dlsym after dynamically loading the library...)
extern u_long SetMallocFlags(u_long flags);
// The environment variable LIBMALLOC_LOG should be set to an integer
// value whose meaning is as follows:
// Enable logging
#define LIBMALLOC_LOG 0x1
// Don't free memory when set
#define LIBMALLOC_NOFREE 0x2
// Check heap for corruption after every malloc/free/realloc
#define LIBMALLOC_CHECK 0x4
// Log reference count calls (addref/release)
#define LIBMALLOC_LOG_RC 0x8
// Log a stack trace
#define LIBMALLOC_LOG_TRACE 0x10
void __log_addref(void* p, int oldrc, int newrc);
void __log_release(void* p, int oldrc, int newrc);
#ifdef __cplusplus
} /* end of extern "C" */
#endif
#endif /* libmalloc_h___ */