| /* |
| * Copyright (C) 2009 The Android Open Source Project |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
| * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| /* |
| * Contains declarations of types and constants used by malloc leak |
| * detection code in both, libc and libc_malloc_debug libraries. |
| */ |
| #ifndef MALLOC_DEBUG_COMMON_H |
| #define MALLOC_DEBUG_COMMON_H |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #define HASHTABLE_SIZE 1543 |
| #define BACKTRACE_SIZE 32 |
| /* flag definitions, currently sharing storage with "size" */ |
| #define SIZE_FLAG_ZYGOTE_CHILD (1<<31) |
| #define SIZE_FLAG_MASK (SIZE_FLAG_ZYGOTE_CHILD) |
| |
| #define MAX_SIZE_T (~(size_t)0) |
| |
| // ============================================================================= |
| // Structures |
| // ============================================================================= |
| |
| typedef struct HashEntry HashEntry; |
| struct HashEntry { |
| size_t slot; |
| HashEntry* prev; |
| HashEntry* next; |
| size_t numEntries; |
| // fields above "size" are NOT sent to the host |
| size_t size; |
| size_t allocations; |
| intptr_t backtrace[0]; |
| }; |
| |
| typedef struct HashTable HashTable; |
| struct HashTable { |
| size_t count; |
| HashEntry* slots[HASHTABLE_SIZE]; |
| }; |
| |
| /* Entry in malloc dispatch table. */ |
| typedef struct MallocDebug MallocDebug; |
| struct MallocDebug { |
| void* (*malloc)(size_t bytes); |
| void (*free)(void* mem); |
| void* (*calloc)(size_t n_elements, size_t elem_size); |
| void* (*realloc)(void* oldMem, size_t bytes); |
| void* (*memalign)(size_t alignment, size_t bytes); |
| }; |
| |
| #ifdef __cplusplus |
| }; /* end of extern "C" */ |
| #endif |
| |
| #endif // MALLOC_DEBUG_COMMON_H |