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/*
* Copyright (C) 2017 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 "source_transform.h"
#include <inttypes.h>
#include <memory>
#include <android-base/logging.h>
#include "dex/code_item_accessors-inl.h"
#include "dex/art_dex_file_loader.h"
#include "dex/class_accessor-inl.h"
#include "dex/dex_file.h"
#include "dex/dex_file_loader.h"
#include "dex/dex_instruction.h"
namespace art {
namespace Test983SourceTransformVerify {
// The hook we are using.
void VerifyClassData(jint class_data_len, const unsigned char* class_data) {
// Due to b/72402467 the class_data_len might just be an estimate.
CHECK_GE(static_cast<size_t>(class_data_len), sizeof(DexFile::Header));
const DexFile::Header* header = reinterpret_cast<const DexFile::Header*>(class_data);
uint32_t header_file_size = header->file_size_;
CHECK_LE(static_cast<jint>(header_file_size), class_data_len);
class_data_len = static_cast<jint>(header_file_size);
const ArtDexFileLoader dex_file_loader;
std::string error;
std::unique_ptr<const DexFile> dex(dex_file_loader.Open(class_data,
class_data_len,
"fake_location.dex",
/*location_checksum*/ 0,
/*oat_dex_file*/ nullptr,
/*verify*/ true,
/*verify_checksum*/ true,
&error));
CHECK(dex.get() != nullptr) << "Failed to verify dex: " << error;
for (ClassAccessor accessor : dex->GetClasses()) {
for (const ClassAccessor::Method& method : accessor.GetMethods()) {
for (const DexInstructionPcPair& pair : method.GetInstructions()) {
const Instruction& inst = pair.Inst();
int forbidden_flags = (Instruction::kVerifyError | Instruction::kVerifyRuntimeOnly);
if ((inst.GetVerifyExtraFlags() & forbidden_flags) != 0) {
LOG(FATAL) << "Unexpected instruction found in " << dex->PrettyMethod(method.GetIndex())
<< " [Dex PC: 0x" << std::hex << pair.DexPc() << std::dec << "] : "
<< inst.DumpString(dex.get()) << std::endl;
}
}
}
}
}
} // namespace Test983SourceTransformVerify
} // namespace art