DlMalloc.cpp revision aee874277d611c7535b559b009e9ec2d8d7025d3 
1/*
2 * Copyright (C) 2012 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include "DlMalloc.h"
18
19#include <stdint.h>
20#include "Common.h"
21
22/* Dalvik specific morecore implementation defined in HeapSource.cpp. */
23#define MORECORE(x) dvmHeapSourceMorecore(m, x)
24extern void* dvmHeapSourceMorecore(void* mspace, intptr_t increment);
25
26/* Custom heap error handling. */
27#define PROCEED_ON_ERROR 0
28static void heap_error(const char* msg, const char* function, void* p);
29#define CORRUPTION_ERROR_ACTION(m) \
30    heap_error("HEAP MEMORY CORRUPTION", __FUNCTION__, NULL)
31#define USAGE_ERROR_ACTION(m,p) \
32    heap_error("ARGUMENT IS INVALID HEAP ADDRESS", __FUNCTION__, p)
33
34/*
35 * Ugly inclusion of C file so that Dalvik specific #defines configure
36 * dlmalloc for our use for mspaces (regular dlmalloc is still declared
37 * in bionic).
38 */
39#include "../../../bionic/libc/upstream-dlmalloc/malloc.c"
40
41
42static void heap_error(const char* msg, const char* function, void* p) {
43    ALOG(LOG_FATAL, LOG_TAG, "@@@ ABORTING: DALVIK: %s IN %s addr=%p", msg,
44         function, p);
45    /* So that we can get a memory dump around p */
46    *((int **) 0xdeadbaad) = (int *) p;
47}
48