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80 lines
3.0 KiB
80 lines
3.0 KiB
/*
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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/logging.h>
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#include <dlfcn.h>
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#include "globals.h"
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namespace art {
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#ifndef ART_STATIC_LIBARTBASE
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#ifdef __APPLE__
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// dlopen(3) on Linux with just an SO name will search the already
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// opened libraries. On Darwin, we need dlopen(3) needs the SO name
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// qualified with it's path (if the SO is not on the search path). Use
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// linker path when compiling app. See man pages for dlopen(3) and
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// dlyd(1).
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static constexpr const char kLibArtBaseDebug[] = "@rpath/libartbased.dylib";
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static constexpr const char kLibArtBaseRelease[] = "@rpath/libartbase.dylib";
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#else
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static constexpr const char kLibArtBaseDebug[] = "libartbased.so";
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static constexpr const char kLibArtBaseRelease[] = "libartbase.so";
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#endif // __APPLE__
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// Check that we have not loaded both debug and release version of libartbase at the same time.
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//
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// This can be a cascade problem originating from a call to
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// LoadLibdexfileExternal in libdexfile_support: If it was called before any ART
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// libraries were loaded it will default to the non-debug version, which can
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// then clash with a later load of the debug version.
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static struct CheckLoadedBuild {
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CheckLoadedBuild() {
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bool debug_build_loaded = (dlopen(kLibArtBaseDebug, RTLD_NOW | RTLD_NOLOAD) != nullptr);
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bool release_build_loaded = (dlopen(kLibArtBaseRelease, RTLD_NOW | RTLD_NOLOAD) != nullptr);
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// TODO: The exit calls below are needed as CHECK would cause recursive backtracing. Fix it.
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if (!(debug_build_loaded || release_build_loaded)) {
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LOG(FATAL_WITHOUT_ABORT) << "Failed to dlopen "
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<< kLibArtBaseDebug
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<< " or "
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<< kLibArtBaseRelease;
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exit(1);
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}
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if (kIsDebugBuild && release_build_loaded) {
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LOG(FATAL_WITHOUT_ABORT) << "Loading "
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<< kLibArtBaseDebug
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<< " while "
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<< kLibArtBaseRelease
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<< " is already loaded";
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exit(1);
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}
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if (!kIsDebugBuild && debug_build_loaded) {
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LOG(FATAL_WITHOUT_ABORT) << "Loading "
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<< kLibArtBaseRelease
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<< " while "
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<< kLibArtBaseDebug
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<< " is already loaded";
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exit(1);
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}
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}
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} g_check_loaded_build;
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#endif // !ART_STATIC_LIBARTBASE
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} // namespace art
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