85 lines
2.5 KiB
C++
85 lines
2.5 KiB
C++
/*
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* Copyright (C) 2017 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 "elf_handling.h"
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#include <llvm/Support/CommandLine.h>
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using llvm::Expected;
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using llvm::StringMapEntry;
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using llvm::cl::Hidden;
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using llvm::cl::Option;
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using llvm::cl::OptionCategory;
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using llvm::cl::ParseCommandLineOptions;
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using llvm::cl::Positional;
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using llvm::cl::Required;
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using llvm::cl::SetVersionPrinter;
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using llvm::cl::cat;
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using llvm::cl::desc;
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using llvm::cl::getRegisteredOptions;
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using llvm::cl::opt;
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using llvm::dyn_cast;
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using llvm::object::ObjectFile;
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using llvm::object::OwningBinary;
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using llvm::outs;
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OptionCategory VTableDumperCategory("vndk-vtable-dumper options");
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opt<std::string> FilePath(
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Positional, Required, cat(VTableDumperCategory),
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desc("shared_library.so"));
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static void HideIrrelevantCommandLineOptions() {
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for (StringMapEntry<Option *> &P : getRegisteredOptions()) {
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if (P.second->Category == &VTableDumperCategory) {
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continue;
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}
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if (P.first().startswith("help")) {
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continue;
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}
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P.second->setHiddenFlag(Hidden);
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}
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}
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static void PrintCommandVersion() {
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outs() << "vndk-vtable-dumper 0.1\n";
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}
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int main(int argc, char **argv) {
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// Parse command line options.
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HideIrrelevantCommandLineOptions();
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SetVersionPrinter(PrintCommandVersion);
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ParseCommandLineOptions(argc, argv);
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// Load ELF shared object file and print the vtables.
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Expected<OwningBinary<ObjectFile>> Binary =
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ObjectFile::createObjectFile(FilePath);
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if (!Binary) {
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outs() << "Couldn't create object File \n";
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return 1;
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}
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ObjectFile *Objfile = dyn_cast<ObjectFile>(&(*Binary.get().getBinary()));
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if (!Objfile) {
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return 1;
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}
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auto SoFile = SharedObject::create(Objfile);
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if (!SoFile) {
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outs() << "Couldn't create ELFObjectFile \n";
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return 1;
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}
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SoFile->printVTables();
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return 0;
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}
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