60 lines
1.8 KiB
C
60 lines
1.8 KiB
C
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/**
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* Copyright (C) 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#define MAX_ENTRIES (32 * 1024)
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#define INITIAL_VAL 0xBE
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#define ENABLE_NONE 0x00
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#define ENABLE_MEMALIGN_CHECK 0x01
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#define ENABLE_MALLOC_CHECK 0x02
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#define ENABLE_CALLOC_CHECK 0x04
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#define ENABLE_ALL ENABLE_MEMALIGN_CHECK | ENABLE_MALLOC_CHECK |\
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ENABLE_CALLOC_CHECK
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typedef struct {
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void *mem_ptr;
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size_t mem_size;
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} allocated_memory_struct;
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static bool s_memutils_initialized = false;
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static int s_allocation_index = 0;
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static allocated_memory_struct s_allocation_list[MAX_ENTRIES] = { { 0, 0 } };
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extern bool is_tracking_required(size_t size);
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static void* (*real_memalign)(size_t, size_t) = NULL;
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static void* (*real_malloc)(size_t) = NULL;
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static void (*real_free)(void *) = NULL;
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#ifdef ENABLE_SELECTIVE_OVERLOADING
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extern char enable_selective_overload;
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#endif /* ENABLE_SELECTIVE_OVERLOADING */
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#ifdef CHECK_MEMORY_LEAK
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static void* (*real_calloc)(size_t, size_t) = NULL;
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void exit_vulnerable_if_memory_leak_detected(void);
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#endif
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#ifdef CHECK_UNINITIALIZED_MEMORY
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extern bool is_memory_uninitialized();
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#endif
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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