| /* |
| * Copyright (C) 2012 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "dlmalloc.h" |
| |
| #include "private/libc_logging.h" |
| |
| // Send dlmalloc errors to the log. |
| static void __bionic_heap_corruption_error(const char* function); |
| static void __bionic_heap_usage_error(const char* function, void* address); |
| #define PROCEED_ON_ERROR 0 |
| #define CORRUPTION_ERROR_ACTION(m) __bionic_heap_corruption_error(__FUNCTION__) |
| #define USAGE_ERROR_ACTION(m,p) __bionic_heap_usage_error(__FUNCTION__, p) |
| |
| // Ugly inclusion of C file so that bionic specific #defines configure dlmalloc. |
| #include "../upstream-dlmalloc/malloc.c" |
| |
| extern void (*__cleanup)(); |
| |
| static void __bionic_heap_corruption_error(const char* function) { |
| __cleanup = NULL; // The heap is corrupt. We can forget trying to shut down stdio. |
| __libc_fatal("heap corruption detected by %s", function); |
| } |
| |
| static void __bionic_heap_usage_error(const char* function, void* address) { |
| __libc_fatal_no_abort("invalid address or address of corrupt block %p passed to %s", |
| address, function); |
| // So that debuggerd gives us a memory dump around the specific address. |
| // TODO: improve the debuggerd protocol so we can tell it to dump an address when we abort. |
| *((int**) 0xdeadbaad) = (int*) address; |
| } |