gecko/tools/trace-malloc/lib/nsTraceMallocCallbacks.h

65 lines
1.8 KiB
C

/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/* declarations needed by both nsTraceMalloc.c and nsWinTraceMalloc.cpp */
#ifndef NSTRACEMALLOCCALLBACKS_H
#define NSTRACEMALLOCCALLBACKS_H
#include <stdint.h>
#include <stdlib.h>
#ifdef __cplusplus
extern "C" {
#endif
/* Used by backtrace. */
typedef struct stack_buffer_info {
void **buffer;
size_t size;
size_t entries;
} stack_buffer_info;
typedef struct tm_thread tm_thread;
struct tm_thread {
/*
* This counter suppresses tracing, in case any tracing code needs
* to malloc.
*/
uint32_t suppress_tracing;
/* buffer for backtrace, below */
stack_buffer_info backtrace_buf;
};
/* implemented in nsTraceMalloc.c */
tm_thread * tm_get_thread(void);
/* implemented in nsTraceMalloc.c */
PR_EXTERN(void) MallocCallback(void *aPtr, size_t aSize, uint32_t start, uint32_t end, tm_thread *t);
PR_EXTERN(void) CallocCallback(void *aPtr, size_t aCount, size_t aSize, uint32_t start, uint32_t end, tm_thread *t);
PR_EXTERN(void) ReallocCallback(void *aPin, void* aPout, size_t aSize, uint32_t start, uint32_t end, tm_thread *t);
PR_EXTERN(void) FreeCallback(void *aPtr, uint32_t start, uint32_t end, tm_thread *t);
#ifdef XP_WIN32
/* implemented in nsTraceMalloc.c */
PR_EXTERN(void) StartupHooker();
PR_EXTERN(void) ShutdownHooker();
/* implemented in nsWinTraceMalloc.cpp */
void* dhw_orig_malloc(size_t);
void* dhw_orig_calloc(size_t, size_t);
void* dhw_orig_realloc(void*, size_t);
void dhw_orig_free(void*);
#endif /* defined(XP_WIN32) */
#ifdef __cplusplus
}
#endif
#endif /* !defined(NSTRACEMALLOCCALLBACKS_H) */