| /** |
| * Copyright (C) 2020 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. |
| */ |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif /* __cplusplus */ |
| #define MAX_ENTRIES (32 * 1024) |
| #define INITIAL_VAL 0xBE |
| |
| #define ENABLE_NONE 0x00 |
| #define ENABLE_MEMALIGN_CHECK 0x01 |
| #define ENABLE_MALLOC_CHECK 0x02 |
| #define ENABLE_CALLOC_CHECK 0x04 |
| #define ENABLE_ALL ENABLE_MEMALIGN_CHECK | ENABLE_MALLOC_CHECK |\ |
| ENABLE_CALLOC_CHECK |
| |
| typedef struct { |
| void *mem_ptr; |
| size_t mem_size; |
| } allocated_memory_struct; |
| |
| static bool s_memutils_initialized = false; |
| static int s_allocation_index = 0; |
| static allocated_memory_struct s_allocation_list[MAX_ENTRIES] = { { 0, 0 } }; |
| |
| extern bool is_tracking_required(size_t size); |
| static void* (*real_memalign)(size_t, size_t) = NULL; |
| static void* (*real_malloc)(size_t) = NULL; |
| static void (*real_free)(void *) = NULL; |
| |
| #ifdef ENABLE_SELECTIVE_OVERLOADING |
| extern char enable_selective_overload; |
| #endif /* ENABLE_SELECTIVE_OVERLOADING */ |
| |
| #ifdef CHECK_MEMORY_LEAK |
| static void* (*real_calloc)(size_t, size_t) = NULL; |
| void exit_vulnerable_if_memory_leak_detected(void); |
| #endif |
| |
| #ifdef CHECK_UNINITIALIZED_MEMORY |
| extern bool is_memory_uninitialized(); |
| #endif |
| |
| #ifdef __cplusplus |
| } |
| #endif /* __cplusplus */ |
