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/*
* 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;
}
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