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// Copyright 2011 Google Inc. All Rights Reserved.
#include "oat_file.h"
#include "oat_writer.h"
#include "common_test.h"
namespace art {
class OatTest : public CommonTest {};
TEST_F(OatTest, WriteRead) {
const bool compile = false; // DISABLED_ due to the time to compile libcore
SirtRef<ClassLoader> class_loader(NULL);
if (compile) {
compiler_.reset(new Compiler(kThumb2, false));
compiler_->CompileAll(class_loader.get());
}
ScratchFile tmp;
bool success = OatWriter::Create(tmp.GetFilename(), class_loader.get(), *compiler_.get());
ASSERT_TRUE(success);
if (compile) { // OatWriter strips the code, regenerate to compare
compiler_->CompileAll(class_loader.get());
}
UniquePtr<OatFile> oat_file(OatFile::Open(std::string(tmp.GetFilename()), "", NULL));
ASSERT_TRUE(oat_file.get() != NULL);
const OatHeader& oat_header = oat_file->GetOatHeader();
ASSERT_EQ(1U, oat_header.GetDexFileCount());
ClassLinker* class_linker = Runtime::Current()->GetClassLinker();
const DexFile& dex_file = *java_lang_dex_file_.get();
const OatFile::OatDexFile* oat_dex_file = oat_file->GetOatDexFile(dex_file.GetLocation());
for (size_t i = 0; i < dex_file.NumClassDefs(); i++) {
const DexFile::ClassDef& class_def = dex_file.GetClassDef(i);
const byte* class_data = dex_file.GetClassData(class_def);
DexFile::ClassDataHeader header = dex_file.ReadClassDataHeader(&class_data);
size_t num_virtual_methods = header.virtual_methods_size_;
const char* descriptor = dex_file.GetClassDescriptor(class_def);
UniquePtr<const OatFile::OatClass> oat_class(oat_dex_file->GetOatClass(i));
Class* klass = class_linker->FindClass(descriptor, class_loader.get());
size_t method_index = 0;
for (size_t i = 0; i < klass->NumDirectMethods(); i++, method_index++) {
Method* method = klass->GetDirectMethod(i);
const OatFile::OatMethod oat_method = oat_class->GetOatMethod(method_index);
const CompiledMethod* compiled_method = compiler_->GetCompiledMethod(method);
if (compiled_method == NULL) {
EXPECT_TRUE(oat_method.code_ == NULL) << PrettyMethod(method) << " " << oat_method.code_;
EXPECT_EQ(oat_method.frame_size_in_bytes_, static_cast<uint32_t>(kStackAlignment));
EXPECT_EQ(oat_method.return_pc_offset_in_bytes_, 0U);
EXPECT_EQ(oat_method.core_spill_mask_, 0U);
EXPECT_EQ(oat_method.fp_spill_mask_, 0U);
} else {
const void* oat_code = oat_method.code_;
uintptr_t oat_code_aligned = RoundDown(reinterpret_cast<uintptr_t>(oat_code), 2);
oat_code = reinterpret_cast<const void*>(oat_code_aligned);
const std::vector<uint8_t>& code = compiled_method->GetCode();
size_t code_size = code.size() * sizeof(code[0]);
EXPECT_EQ(0, memcmp(oat_code, &code[0], code_size))
<< PrettyMethod(method) << " " << code_size;
CHECK_EQ(0, memcmp(oat_code, &code[0], code_size));
EXPECT_EQ(oat_method.frame_size_in_bytes_, compiled_method->GetFrameSizeInBytes());
EXPECT_EQ(oat_method.return_pc_offset_in_bytes_, compiled_method->GetReturnPcOffsetInBytes());
EXPECT_EQ(oat_method.core_spill_mask_, compiled_method->GetCoreSpillMask());
EXPECT_EQ(oat_method.fp_spill_mask_, compiled_method->GetFpSpillMask());
}
}
for (size_t i = 0; i < num_virtual_methods; i++, method_index++) {
Method* method = klass->GetVirtualMethod(i);
const OatFile::OatMethod oat_method = oat_class->GetOatMethod(method_index);
const CompiledMethod* compiled_method = compiler_->GetCompiledMethod(method);
if (compiled_method == NULL) {
EXPECT_TRUE(oat_method.code_ == NULL) << PrettyMethod(method) << " " << oat_method.code_;
EXPECT_EQ(oat_method.frame_size_in_bytes_, static_cast<uint32_t>(kStackAlignment));
EXPECT_EQ(oat_method.return_pc_offset_in_bytes_, 0U);
EXPECT_EQ(oat_method.core_spill_mask_, 0U);
EXPECT_EQ(oat_method.fp_spill_mask_, 0U);
} else {
const void* oat_code = oat_method.code_;
EXPECT_TRUE(oat_code != NULL) << PrettyMethod(method);
uintptr_t oat_code_aligned = RoundDown(reinterpret_cast<uintptr_t>(oat_code), 2);
oat_code = reinterpret_cast<const void*>(oat_code_aligned);
const std::vector<uint8_t>& code = compiled_method->GetCode();
size_t code_size = code.size() * sizeof(code[0]);
EXPECT_EQ(0, memcmp(oat_code, &code[0], code_size))
<< PrettyMethod(method) << " " << code_size;
CHECK_EQ(0, memcmp(oat_code, &code[0], code_size));
EXPECT_EQ(oat_method.frame_size_in_bytes_, compiled_method->GetFrameSizeInBytes());
EXPECT_EQ(oat_method.return_pc_offset_in_bytes_, compiled_method->GetReturnPcOffsetInBytes());
EXPECT_EQ(oat_method.core_spill_mask_, compiled_method->GetCoreSpillMask());
EXPECT_EQ(oat_method.fp_spill_mask_, compiled_method->GetFpSpillMask());
}
}
}
}
} // namespace art
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