You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
40 lines
1.3 KiB
40 lines
1.3 KiB
4 months ago
|
/*
|
||
|
|
* Copyright (C) 2019 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <android-base/strings.h>
|
||
|
|
#include <benchmark/benchmark.h>
|
||
|
|
#include <dlfcn.h>
|
||
|
|
|
||
|
|
#include "util.h"
|
||
|
|
|
||
|
|
void local_function() {}
|
||
|
|
|
||
|
|
template<typename F>
|
||
|
|
int bm_dladdr(F fun) {
|
||
|
|
const void* addr = reinterpret_cast<void*>(fun);
|
||
|
|
Dl_info info;
|
||
|
|
int res = dladdr(addr, &info);
|
||
|
|
if (res == 0) abort();
|
||
|
|
if (info.dli_fname == nullptr) abort();
|
||
|
|
|
||
|
|
// needed for DoNotOptimize
|
||
|
|
return res;
|
||
|
|
}
|
||
|
|
BIONIC_TRIVIAL_BENCHMARK(BM_dladdr_libc_printf, bm_dladdr(printf));
|
||
|
|
BIONIC_TRIVIAL_BENCHMARK(BM_dladdr_libdl_dladdr, bm_dladdr(dladdr));
|
||
|
|
BIONIC_TRIVIAL_BENCHMARK(BM_dladdr_local_function, bm_dladdr(local_function));
|
||
|
|
BIONIC_TRIVIAL_BENCHMARK(BM_dladdr_libbase_split, bm_dladdr(android::base::Split));
|