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73 lines
2.9 KiB
73 lines
2.9 KiB
4 months ago
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/*
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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 "source_transform.h"
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#include <inttypes.h>
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#include <memory>
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#include <android-base/logging.h>
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#include "dex/code_item_accessors-inl.h"
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#include "dex/art_dex_file_loader.h"
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#include "dex/class_accessor-inl.h"
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#include "dex/dex_file.h"
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#include "dex/dex_file_loader.h"
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#include "dex/dex_instruction.h"
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namespace art {
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namespace Test983SourceTransformVerify {
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// The hook we are using.
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void VerifyClassData(jint class_data_len, const unsigned char* class_data) {
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// Due to b/72402467 the class_data_len might just be an estimate.
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CHECK_GE(static_cast<size_t>(class_data_len), sizeof(DexFile::Header));
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const DexFile::Header* header = reinterpret_cast<const DexFile::Header*>(class_data);
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uint32_t header_file_size = header->file_size_;
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CHECK_LE(static_cast<jint>(header_file_size), class_data_len);
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class_data_len = static_cast<jint>(header_file_size);
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const ArtDexFileLoader dex_file_loader;
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std::string error;
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std::unique_ptr<const DexFile> dex(dex_file_loader.Open(class_data,
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class_data_len,
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"fake_location.dex",
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/*location_checksum*/ 0,
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/*oat_dex_file*/ nullptr,
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/*verify*/ true,
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/*verify_checksum*/ true,
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&error));
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CHECK(dex.get() != nullptr) << "Failed to verify dex: " << error;
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for (ClassAccessor accessor : dex->GetClasses()) {
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for (const ClassAccessor::Method& method : accessor.GetMethods()) {
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for (const DexInstructionPcPair& pair : method.GetInstructions()) {
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const Instruction& inst = pair.Inst();
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int forbidden_flags = (Instruction::kVerifyError | Instruction::kVerifyRuntimeOnly);
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if ((inst.GetVerifyExtraFlags() & forbidden_flags) != 0) {
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LOG(FATAL) << "Unexpected instruction found in " << dex->PrettyMethod(method.GetIndex())
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<< " [Dex PC: 0x" << std::hex << pair.DexPc() << std::dec << "] : "
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<< inst.DumpString(dex.get()) << std::endl;
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}
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}
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}
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}
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}
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} // namespace Test983SourceTransformVerify
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} // namespace art
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