| /* |
| * 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)); |