40 lines
1.3 KiB
C++
40 lines
1.3 KiB
C++
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/*
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* Copyright (C) 2019 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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#include <android-base/strings.h>
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#include <benchmark/benchmark.h>
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#include <dlfcn.h>
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#include "util.h"
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void local_function() {}
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template<typename F>
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int bm_dladdr(F fun) {
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const void* addr = reinterpret_cast<void*>(fun);
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Dl_info info;
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int res = dladdr(addr, &info);
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if (res == 0) abort();
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if (info.dli_fname == nullptr) abort();
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// needed for DoNotOptimize
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return res;
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}
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BIONIC_TRIVIAL_BENCHMARK(BM_dladdr_libc_printf, bm_dladdr(printf));
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BIONIC_TRIVIAL_BENCHMARK(BM_dladdr_libdl_dladdr, bm_dladdr(dladdr));
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BIONIC_TRIVIAL_BENCHMARK(BM_dladdr_local_function, bm_dladdr(local_function));
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BIONIC_TRIVIAL_BENCHMARK(BM_dladdr_libbase_split, bm_dladdr(android::base::Split));
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