1 /*
2 * Copyright (c) 2022 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 "ecmascript/platform/os.h"
17
18 #include <ctime>
19 #include <malloc/malloc.h>
20 #include <sys/sysctl.h>
21 #include <unistd.h>
22
23 #include "ecmascript/log_wrapper.h"
24
25 namespace panda::ecmascript {
MallocUsableSize(void * p)26 size_t MallocUsableSize(void *p)
27 {
28 return malloc_size(p);
29 }
30
NumberOfCpuCore()31 uint32_t NumberOfCpuCore()
32 {
33 return static_cast<uint32_t>(sysconf(_SC_NPROCESSORS_ONLN));
34 }
35
PhysicalSize()36 size_t PhysicalSize()
37 {
38 static constexpr int MIB_LENGTH = 2;
39 int mib[2];
40 mib[0] = CTL_HW;
41 mib[1] = HW_MEMSIZE;
42 int64_t size = 0;
43 size_t bufferLength = sizeof(size);
44 if (sysctl(mib, MIB_LENGTH, &size, &bufferLength, NULL, 0) != 0) {
45 LOG_ECMA(FATAL) << "sysctl error";
46 }
47 return static_cast<size_t>(size);
48 }
49
PrctlSetVMA(const void * p,const size_t size,const char * tag)50 int PrctlSetVMA([[maybe_unused]] const void *p, [[maybe_unused]] const size_t size, [[maybe_unused]] const char *tag)
51 {
52 return -1;
53 }
54
PtracePeektext(int pid,uintptr_t addr)55 long PtracePeektext([[maybe_unused]] int pid, [[maybe_unused]] uintptr_t addr)
56 {
57 return static_cast<long>(-1);
58 }
59 } // namespace panda::ecmascript
60