1 /*
2 * Copyright (c) 2024 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "memory_trace.h"
17 #ifdef HOOK_ENABLE
18 #include "common_def.h"
19 #include "musl_preinit_common.h"
20 #endif
21
memtrace(void * addr,size_t size,const char * tag,bool is_using)22 void memtrace(void* addr, size_t size, const char* tag, bool is_using)
23 {
24 #ifdef HOOK_ENABLE
25 volatile const struct MallocDispatchType* dispatch_table = (struct MallocDispatchType *)atomic_load_explicit(
26 &__musl_libc_globals.current_dispatch_table, memory_order_acquire);
27 if (__predict_false(dispatch_table != NULL)) {
28 if (__get_memleak_hook_flag()) {
29 return;
30 }
31 if (!__get_global_hook_flag()) {
32 return;
33 }
34 else if (!__get_hook_flag()) {
35 return;
36 }
37 return dispatch_table->memtrace(addr, size, tag, is_using);
38 }
39 #endif
40 return;
41 }
42