gecko-dev/tools/leaky/libmalloc.h

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C
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// 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
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// 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 Initial Developer of the Original Code is Kipp E.B. Hickman.
#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;
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// Format of a malloc log entry. This is whats written out to the
// "malloc-log" file.
struct malloc_log_entry {
u_long type;
u_long address;
u_long size;
u_long oldaddress;
u_long numpcs;
char* pcs[MAX_STACK_CRAWL];
};
// type's
#define malloc_log_malloc 0
#define malloc_log_realloc 1
#define malloc_log_free 2
#define malloc_log_new 3
#define malloc_log_delete 4
#define malloc_log_addref 5
#define malloc_log_release 6
// 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
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___ */