blob: 664dcfe09c3b76b2d5691298e97d2b8fd9cc3511 [file] [log] [blame]
// Copyright 2011 Google Inc. All Rights Reserved.
#include "oat_writer.h"
#include "class_linker.h"
#include "class_loader.h"
#include "file.h"
#include "os.h"
#include "stl_util.h"
namespace art {
bool OatWriter::Create(File* file,
const ClassLoader* class_loader,
const Compiler& compiler) {
const std::vector<const DexFile*>& dex_files = ClassLoader::GetCompileTimeClassPath(class_loader);
OatWriter oat_writer(dex_files, class_loader, compiler);
return oat_writer.Write(file);
}
OatWriter::OatWriter(const std::vector<const DexFile*>& dex_files,
const ClassLoader* class_loader,
const Compiler& compiler) {
compiler_ = &compiler;
class_loader_ = class_loader;
dex_files_ = &dex_files;
size_t offset = InitOatHeader();
offset = InitOatDexFiles(offset);
offset = InitOatClasses(offset);
offset = InitOatMethods(offset);
offset = InitOatCode(offset);
offset = InitOatCodeDexFiles(offset);
CHECK_EQ(dex_files_->size(), oat_dex_files_.size());
CHECK_EQ(dex_files_->size(), oat_classes_.size());
}
size_t OatWriter::InitOatHeader() {
// create the OatHeader
oat_header_ = new OatHeader(dex_files_);
size_t offset = sizeof(*oat_header_);
return offset;
}
size_t OatWriter::InitOatDexFiles(size_t offset) {
// create the OatDexFiles
for (size_t i = 0; i != dex_files_->size(); ++i) {
const DexFile* dex_file = (*dex_files_)[i];
CHECK(dex_file != NULL);
OatDexFile* oat_dex_file = new OatDexFile(*dex_file);
oat_dex_files_.push_back(oat_dex_file);
offset += oat_dex_file->SizeOf();
}
return offset;
}
size_t OatWriter::InitOatClasses(size_t offset) {
// create the OatClasses
// calculate the offsets within OatDexFiles to OatClasses
for (size_t i = 0; i != dex_files_->size(); ++i) {
// set offset in OatDexFile to OatClasses
oat_dex_files_[i]->classes_offset_ = offset;
oat_dex_files_[i]->UpdateChecksum(*oat_header_);
const DexFile* dex_file = (*dex_files_)[i];
OatClasses* oat_classes = new OatClasses(*dex_file);
oat_classes_.push_back(oat_classes);
offset += oat_classes->SizeOf();
}
return offset;
}
size_t OatWriter::InitOatMethods(size_t offset) {
// create the OatMethods
// calculate the offsets within OatClasses to OatMethods
size_t class_index = 0;
for (size_t i = 0; i != dex_files_->size(); ++i) {
const DexFile* dex_file = (*dex_files_)[i];
for (size_t class_def_index = 0;
class_def_index < dex_file->NumClassDefs();
class_def_index++, class_index++) {
oat_classes_[i]->methods_offsets_[class_def_index] = offset;
const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_index);
const byte* class_data = dex_file->GetClassData(class_def);
DexFile::ClassDataHeader header = dex_file->ReadClassDataHeader(&class_data);
size_t num_direct_methods = header.direct_methods_size_;
size_t num_virtual_methods = header.virtual_methods_size_;
uint32_t num_methods = num_direct_methods + num_virtual_methods;
OatMethods* oat_methods = new OatMethods(num_methods);
oat_methods_.push_back(oat_methods);
offset += oat_methods->SizeOf();
}
oat_classes_[i]->UpdateChecksum(*oat_header_);
}
return offset;
}
size_t OatWriter::InitOatCode(size_t offset) {
// calculate the offsets within OatHeader to executable code
size_t old_offset = offset;
// required to be on a new page boundary
offset = RoundUp(offset, kPageSize);
oat_header_->SetExecutableOffset(offset);
executable_offset_padding_length_ = offset - old_offset;
return offset;
}
size_t OatWriter::InitOatCodeDexFiles(size_t offset) {
// calculate the offsets within OatMethods
size_t oat_class_index = 0;
for (size_t i = 0; i != dex_files_->size(); ++i) {
const DexFile* dex_file = (*dex_files_)[i];
CHECK(dex_file != NULL);
offset = InitOatCodeDexFile(offset, oat_class_index, *dex_file);
}
return offset;
}
size_t OatWriter::InitOatCodeDexFile(size_t offset,
size_t& oat_class_index,
const DexFile& dex_file) {
for (size_t class_def_index = 0;
class_def_index < dex_file.NumClassDefs();
class_def_index++, oat_class_index++) {
const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index);
offset = InitOatCodeClassDef(offset, oat_class_index, dex_file, class_def);
oat_methods_[oat_class_index]->UpdateChecksum(*oat_header_);
}
return offset;
}
size_t OatWriter::InitOatCodeClassDef(size_t offset,
size_t oat_class_index,
const DexFile& dex_file,
const DexFile::ClassDef& class_def) {
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);
// TODO: remove code ByteArrays from Class/Method (and therefore ClassLoader)
// TODO: don't write code for shared stubs
Class* klass = Runtime::Current()->GetClassLinker()->FindClass(descriptor, class_loader_);
if (klass == NULL) {
LOG(WARNING) << "Didn't find class '" << descriptor << "' in dex file " << dex_file.GetLocation();
Thread* thread = Thread::Current();
DCHECK(thread->IsExceptionPending());
thread->ClearException();
return offset;
}
CHECK_EQ(klass->GetClassLoader(), class_loader_);
CHECK_EQ(oat_methods_[oat_class_index]->method_offsets_.size(),
klass->NumDirectMethods() + num_virtual_methods);
size_t class_def_method_index = 0;
for (size_t i = 0; i < klass->NumDirectMethods(); i++, class_def_method_index++) {
Method* method = klass->GetDirectMethod(i);
CHECK(method != NULL) << descriptor << " direct " << i;
offset = InitOatCodeMethod(offset, oat_class_index, class_def_method_index, method);
}
// note that num_virtual_methods != klass->NumVirtualMethods() because of miranda methods
for (size_t i = 0; i < num_virtual_methods; i++, class_def_method_index++) {
Method* method = klass->GetVirtualMethod(i);
CHECK(method != NULL) << descriptor << " virtual " << i;
offset = InitOatCodeMethod(offset, oat_class_index, class_def_method_index, method);
}
return offset;
}
size_t OatWriter::InitOatCodeMethod(size_t offset,
size_t oat_class_index,
size_t class_def_method_index,
Method* method) {
// derived from CompiledMethod if available
uint32_t code_offset = 0;
uint32_t frame_size_in_bytes = kStackAlignment;
uint32_t return_pc_offset_in_bytes = 0;
uint32_t core_spill_mask = 0;
uint32_t fp_spill_mask = 0;
uint32_t mapping_table_offset = 0;
uint32_t vmap_table_offset = 0;
// derived from CompiledInvokeStub if available
uint32_t invoke_stub_offset = 0;
const CompiledMethod* compiled_method = compiler_->GetCompiledMethod(method);
if (compiled_method != NULL) {
offset = compiled_method->AlignCode(offset);
DCHECK_ALIGNED(offset, kArmAlignment);
const std::vector<uint8_t>& code = compiled_method->GetCode();
size_t code_size = code.size() * sizeof(code[0]);
uint32_t thumb_offset = compiled_method->CodeDelta();
code_offset = (code_size == 0) ? 0 : offset + thumb_offset;
// Deduplicate code arrays
std::map<const std::vector<uint8_t>*, uint32_t>::iterator code_iter = code_offsets_.find(&code);
if (code_iter != code_offsets_.end()) {
code_offset = code_iter->second;
} else {
code_offsets_.insert(std::pair<const std::vector<uint8_t>*, uint32_t>(&code, code_offset));
offset += code_size;
oat_header_->UpdateChecksum(&code[0], code_size);
}
frame_size_in_bytes = compiled_method->GetFrameSizeInBytes();
return_pc_offset_in_bytes = compiled_method->GetReturnPcOffsetInBytes();
core_spill_mask = compiled_method->GetCoreSpillMask();
fp_spill_mask = compiled_method->GetFpSpillMask();
}
offset += sizeof(frame_size_in_bytes);
oat_header_->UpdateChecksum(&frame_size_in_bytes, sizeof(frame_size_in_bytes));
offset += sizeof(return_pc_offset_in_bytes);
oat_header_->UpdateChecksum(&return_pc_offset_in_bytes, sizeof(return_pc_offset_in_bytes));
offset += sizeof(core_spill_mask);
oat_header_->UpdateChecksum(&core_spill_mask, sizeof(core_spill_mask));
offset += sizeof(fp_spill_mask);
oat_header_->UpdateChecksum(&fp_spill_mask, sizeof(fp_spill_mask));
if (compiled_method != NULL) {
const std::vector<uint32_t>& mapping_table = compiled_method->GetMappingTable();
size_t mapping_table_size = mapping_table.size() * sizeof(mapping_table[0]);
mapping_table_offset = (mapping_table_size == 0) ? 0 : offset;
// Deduplicate mapping tables
std::map<const std::vector<uint32_t>*, uint32_t>::iterator mapping_iter = mapping_table_offsets_.find(&mapping_table);
if (mapping_iter != mapping_table_offsets_.end()) {
mapping_table_offset = mapping_iter->second;
} else {
mapping_table_offsets_.insert(std::pair<const std::vector<uint32_t>*, uint32_t>(&mapping_table, mapping_table_offset));
offset += mapping_table_size;
oat_header_->UpdateChecksum(&mapping_table[0], mapping_table_size);
}
const std::vector<uint16_t>& vmap_table = compiled_method->GetVmapTable();
size_t vmap_table_size = vmap_table.size() * sizeof(vmap_table[0]);
vmap_table_offset = (vmap_table_size == 0) ? 0 : offset;
// Deduplicate vmap tables
std::map<const std::vector<uint16_t>*, uint32_t>::iterator vmap_iter = vmap_table_offsets_.find(&vmap_table);
if (vmap_iter != vmap_table_offsets_.end()) {
vmap_table_offset = vmap_iter->second;
} else {
vmap_table_offsets_.insert(std::pair<const std::vector<uint16_t>*, uint32_t>(&vmap_table, vmap_table_offset));
offset += vmap_table_size;
oat_header_->UpdateChecksum(&vmap_table[0], vmap_table_size);
}
}
const CompiledInvokeStub* compiled_invoke_stub = compiler_->GetCompiledInvokeStub(method);
if (compiled_invoke_stub != NULL) {
offset = CompiledMethod::AlignCode(offset, compiler_->GetInstructionSet());
DCHECK_ALIGNED(offset, kArmAlignment);
const std::vector<uint8_t>& invoke_stub = compiled_invoke_stub->GetCode();
size_t invoke_stub_size = invoke_stub.size() * sizeof(invoke_stub[0]);
invoke_stub_offset = (invoke_stub_size == 0) ? 0 : offset;
// Deduplicate invoke stubs
std::map<const std::vector<uint8_t>*, uint32_t>::iterator stub_iter = code_offsets_.find(&invoke_stub);
if (stub_iter != code_offsets_.end()) {
invoke_stub_offset = stub_iter->second;
} else {
code_offsets_.insert(std::pair<const std::vector<uint8_t>*, uint32_t>(&invoke_stub, invoke_stub_offset));
offset += invoke_stub_size;
oat_header_->UpdateChecksum(&invoke_stub[0], invoke_stub_size);
}
}
oat_methods_[oat_class_index]->method_offsets_[class_def_method_index]
= OatMethodOffsets(code_offset,
frame_size_in_bytes,
return_pc_offset_in_bytes,
core_spill_mask,
fp_spill_mask,
mapping_table_offset,
vmap_table_offset,
invoke_stub_offset);
// Note that we leave the offset and values back in the Method where ImageWriter will find them
method->SetOatCodeOffset(code_offset);
method->SetFrameSizeInBytes(frame_size_in_bytes);
method->SetCoreSpillMask(core_spill_mask);
method->SetFpSpillMask(fp_spill_mask);
method->SetOatMappingTableOffset(mapping_table_offset);
method->SetOatVmapTableOffset(vmap_table_offset);
method->SetOatInvokeStubOffset(invoke_stub_offset);
return offset;
}
#define DCHECK_CODE_OFFSET() \
DCHECK_EQ(static_cast<off_t>(code_offset), lseek(file->Fd(), 0, SEEK_CUR))
bool OatWriter::Write(File* file) {
if (!file->WriteFully(oat_header_, sizeof(*oat_header_))) {
PLOG(ERROR) << "Failed to write oat header to " << file->name();
return false;
}
if (!WriteTables(file)) {
LOG(ERROR) << "Failed to write oat tables to " << file->name();
return false;
}
size_t code_offset = WriteCode(file);
if (code_offset == 0) {
LOG(ERROR) << "Failed to write oat code to " << file->name();
return false;
}
code_offset = WriteCodeDexFiles(file, code_offset);
if (code_offset == 0) {
LOG(ERROR) << "Failed to write oat code for dex files to " << file->name();
return false;
}
return true;
}
bool OatWriter::WriteTables(File* file) {
for (size_t i = 0; i != oat_dex_files_.size(); ++i) {
if (!oat_dex_files_[i]->Write(file)) {
PLOG(ERROR) << "Failed to write oat dex information to " << file->name();
return false;
}
}
for (size_t i = 0; i != oat_classes_.size(); ++i) {
if (!oat_classes_[i]->Write(file)) {
PLOG(ERROR) << "Failed to write oat classes information to " << file->name();
return false;
}
}
for (size_t i = 0; i != oat_methods_.size(); ++i) {
if (!oat_methods_[i]->Write(file)) {
PLOG(ERROR) << "Failed to write oat methods information to " << file->name();
return false;
}
}
return true;
}
size_t OatWriter::WriteCode(File* file) {
uint32_t code_offset = oat_header_->GetExecutableOffset();
off_t new_offset = lseek(file->Fd(), executable_offset_padding_length_, SEEK_CUR);
if (static_cast<uint32_t>(new_offset) != code_offset) {
PLOG(ERROR) << "Failed to seek to oat code section. Actual: " << new_offset
<< " Expected: " << code_offset << " File: " << file->name();
return 0;
}
DCHECK_CODE_OFFSET();
return code_offset;
}
size_t OatWriter::WriteCodeDexFiles(File* file, size_t code_offset) {
for (size_t i = 0; i != oat_classes_.size(); ++i) {
const DexFile* dex_file = (*dex_files_)[i];
CHECK(dex_file != NULL);
code_offset = WriteCodeDexFile(file, code_offset, *dex_file);
if (code_offset == 0) {
return 0;
}
}
return code_offset;
}
size_t OatWriter::WriteCodeDexFile(File* file, size_t code_offset, const DexFile& dex_file) {
for (size_t class_def_index = 0; class_def_index < dex_file.NumClassDefs(); class_def_index++) {
const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index);
code_offset = WriteCodeClassDef(file, code_offset, dex_file, class_def);
if (code_offset == 0) {
return 0;
}
}
return code_offset;
}
void OatWriter::ReportWriteFailure(const char* what, Method* m, File* f) {
PLOG(ERROR) << "Failed to write " << what << " for " << PrettyMethod(m) << " to " << f->name();
}
size_t OatWriter::WriteCodeClassDef(File* file,
size_t code_offset,
const DexFile& dex_file,
const DexFile::ClassDef& class_def) {
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);
ClassLinker* class_linker = Runtime::Current()->GetClassLinker();
Class* klass = class_linker->FindClass(descriptor, class_loader_);
if (klass == NULL) {
LOG(WARNING) << "Didn't find class '" << descriptor << "' in dex file " << dex_file.GetLocation();
Thread* thread = Thread::Current();
DCHECK(thread->IsExceptionPending());
thread->ClearException();
return code_offset;
}
// Note that we clear the code array here, image_writer will use GetCodeOffset to find it
for (size_t i = 0; i < klass->NumDirectMethods(); i++) {
Method* method = klass->GetDirectMethod(i);
code_offset = WriteCodeMethod(file, code_offset, method);
if (code_offset == 0) {
return 0;
}
}
// note that num_virtual_methods != klass->NumVirtualMethods() because of miranda methods
for (size_t i = 0; i < num_virtual_methods; i++) {
Method* method = klass->GetVirtualMethod(i);
code_offset = WriteCodeMethod(file, code_offset, method);
if (code_offset == 0) {
return 0;
}
}
for (size_t i = num_virtual_methods; i < klass->NumVirtualMethods(); i++) {
Method* method = klass->GetVirtualMethod(i);
CHECK(compiler_->GetCompiledMethod(method) == NULL) << PrettyMethod(method);
}
return code_offset;
}
size_t OatWriter::WriteCodeMethod(File* file, size_t code_offset, Method* method) {
const CompiledMethod* compiled_method = compiler_->GetCompiledMethod(method);
if (compiled_method != NULL) {
uint32_t aligned_code_offset = compiled_method->AlignCode(code_offset);
uint32_t aligned_code_delta = aligned_code_offset - code_offset;
if (aligned_code_delta != 0) {
off_t new_offset = lseek(file->Fd(), aligned_code_delta, SEEK_CUR);
if (static_cast<uint32_t>(new_offset) != aligned_code_offset) {
PLOG(ERROR) << "Failed to seek to align oat code. Actual: " << new_offset
<< " Expected: " << aligned_code_offset << " File: " << file->name();
return false;
}
code_offset += aligned_code_delta;
DCHECK_CODE_OFFSET();
}
DCHECK_ALIGNED(code_offset, kArmAlignment);
const std::vector<uint8_t>& code = compiled_method->GetCode();
size_t code_size = code.size() * sizeof(code[0]);
// Deduplicate code arrays
size_t offset = code_offset + compiled_method->CodeDelta();
std::map<const std::vector<uint8_t>*, uint32_t>::iterator code_iter = code_offsets_.find(&code);
if (code_iter != code_offsets_.end() && offset != method->GetOatCodeOffset()) {
DCHECK((code_size == 0 && method->GetOatCodeOffset() == 0)
|| code_iter->second == method->GetOatCodeOffset()) << PrettyMethod(method);
} else {
DCHECK((code_size == 0 && method->GetOatCodeOffset() == 0)
|| offset == method->GetOatCodeOffset()) << PrettyMethod(method);
if (!file->WriteFully(&code[0], code_size)) {
ReportWriteFailure("method code", method, file);
return false;
}
code_offset += code_size;
}
DCHECK_CODE_OFFSET();
}
uint32_t frame_size_in_bytes = method->GetFrameSizeInBytes();
uint32_t return_pc_offset_in_bytes = method->GetReturnPcOffsetInBytes();
uint32_t core_spill_mask = method->GetCoreSpillMask();
uint32_t fp_spill_mask = method->GetFpSpillMask();
if (!file->WriteFully(&frame_size_in_bytes, sizeof(frame_size_in_bytes))) {
ReportWriteFailure("method frame size", method, file);
return false;
}
code_offset += sizeof(frame_size_in_bytes);
if (!file->WriteFully(&return_pc_offset_in_bytes, sizeof(return_pc_offset_in_bytes))) {
ReportWriteFailure("method return pc", method, file);
return false;
}
code_offset += sizeof(return_pc_offset_in_bytes);
if (!file->WriteFully(&core_spill_mask, sizeof(core_spill_mask))) {
ReportWriteFailure("method core spill mask", method, file);
return false;
}
code_offset += sizeof(core_spill_mask);
if (!file->WriteFully(&fp_spill_mask, sizeof(fp_spill_mask))) {
ReportWriteFailure("method fp spill mask", method, file);
return false;
}
code_offset += sizeof(fp_spill_mask);
if (compiled_method != NULL) {
const std::vector<uint32_t>& mapping_table = compiled_method->GetMappingTable();
size_t mapping_table_size = mapping_table.size() * sizeof(mapping_table[0]);
// Deduplicate mapping tables
std::map<const std::vector<uint32_t>*, uint32_t>::iterator mapping_iter = mapping_table_offsets_.find(&mapping_table);
if (mapping_iter != mapping_table_offsets_.end() && code_offset != method->GetOatMappingTableOffset()) {
DCHECK((mapping_table_size == 0 && method->GetOatMappingTableOffset() == 0)
|| mapping_iter->second == method->GetOatMappingTableOffset()) << PrettyMethod(method);
} else {
DCHECK((mapping_table_size == 0 && method->GetOatMappingTableOffset() == 0)
|| code_offset == method->GetOatMappingTableOffset()) << PrettyMethod(method);
if (!file->WriteFully(&mapping_table[0], mapping_table_size)) {
ReportWriteFailure("mapping table", method, file);
return false;
}
code_offset += mapping_table_size;
}
DCHECK_CODE_OFFSET();
const std::vector<uint16_t>& vmap_table = compiled_method->GetVmapTable();
size_t vmap_table_size = vmap_table.size() * sizeof(vmap_table[0]);
// Deduplicate vmap tables
std::map<const std::vector<uint16_t>*, uint32_t>::iterator vmap_iter = vmap_table_offsets_.find(&vmap_table);
if (vmap_iter != vmap_table_offsets_.end() && code_offset != method->GetOatVmapTableOffset()) {
DCHECK((vmap_table_size == 0 && method->GetOatVmapTableOffset() == 0)
|| vmap_iter->second == method->GetOatVmapTableOffset()) << PrettyMethod(method);
} else {
DCHECK((vmap_table_size == 0 && method->GetOatVmapTableOffset() == 0)
|| code_offset == method->GetOatVmapTableOffset()) << PrettyMethod(method);
if (!file->WriteFully(&vmap_table[0], vmap_table_size)) {
ReportWriteFailure("vmap table", method, file);
return false;
}
code_offset += vmap_table_size;
}
DCHECK_CODE_OFFSET();
}
const CompiledInvokeStub* compiled_invoke_stub = compiler_->GetCompiledInvokeStub(method);
if (compiled_invoke_stub != NULL) {
uint32_t aligned_code_offset = CompiledMethod::AlignCode(code_offset,
compiler_->GetInstructionSet());
uint32_t aligned_code_delta = aligned_code_offset - code_offset;
if (aligned_code_delta != 0) {
off_t new_offset = lseek(file->Fd(), aligned_code_delta, SEEK_CUR);
if (static_cast<uint32_t>(new_offset) != aligned_code_offset) {
PLOG(ERROR) << "Failed to seek to align invoke stub code. Actual: " << new_offset
<< " Expected: " << aligned_code_offset;
return false;
}
code_offset += aligned_code_delta;
DCHECK_CODE_OFFSET();
}
DCHECK_ALIGNED(code_offset, kArmAlignment);
const std::vector<uint8_t>& invoke_stub = compiled_invoke_stub->GetCode();
size_t invoke_stub_size = invoke_stub.size() * sizeof(invoke_stub[0]);
// Deduplicate invoke stubs
std::map<const std::vector<uint8_t>*, uint32_t>::iterator stub_iter = code_offsets_.find(&invoke_stub);
if (stub_iter != code_offsets_.end() && code_offset != method->GetOatInvokeStubOffset()) {
DCHECK((invoke_stub_size == 0 && method->GetOatInvokeStubOffset() == 0)
|| stub_iter->second == method->GetOatInvokeStubOffset()) << PrettyMethod(method);
} else {
DCHECK((invoke_stub_size == 0 && method->GetOatInvokeStubOffset() == 0)
|| code_offset == method->GetOatInvokeStubOffset()) << PrettyMethod(method);
if (!file->WriteFully(&invoke_stub[0], invoke_stub_size)) {
ReportWriteFailure("invoke stub code", method, file);
return false;
}
code_offset += invoke_stub_size;
}
DCHECK_CODE_OFFSET();
}
return code_offset;
}
OatWriter::~OatWriter() {
delete oat_header_;
STLDeleteElements(&oat_dex_files_);
STLDeleteElements(&oat_classes_);
STLDeleteElements(&oat_methods_);
}
OatWriter::OatDexFile::OatDexFile(const DexFile& dex_file) {
const std::string& location = dex_file.GetLocation();
dex_file_location_size_ = location.size();
dex_file_location_data_ = reinterpret_cast<const uint8_t*>(location.data());
dex_file_checksum_ = dex_file.GetHeader().checksum_;
}
size_t OatWriter::OatDexFile::SizeOf() const {
return sizeof(dex_file_location_size_)
+ dex_file_location_size_
+ sizeof(dex_file_checksum_)
+ sizeof(classes_offset_);
}
void OatWriter::OatDexFile::UpdateChecksum(OatHeader& oat_header) const {
oat_header.UpdateChecksum(&dex_file_location_size_, sizeof(dex_file_location_size_));
oat_header.UpdateChecksum(dex_file_location_data_, dex_file_location_size_);
oat_header.UpdateChecksum(&dex_file_checksum_, sizeof(dex_file_checksum_));
oat_header.UpdateChecksum(&classes_offset_, sizeof(classes_offset_));
}
bool OatWriter::OatDexFile::Write(File* file) const {
if (!file->WriteFully(&dex_file_location_size_, sizeof(dex_file_location_size_))) {
PLOG(ERROR) << "Failed to write dex file location length to " << file->name();
return false;
}
if (!file->WriteFully(dex_file_location_data_, dex_file_location_size_)) {
PLOG(ERROR) << "Failed to write dex file location data to " << file->name();
return false;
}
if (!file->WriteFully(&dex_file_checksum_, sizeof(dex_file_checksum_))) {
PLOG(ERROR) << "Failed to write dex file checksum to " << file->name();
return false;
}
if (!file->WriteFully(&classes_offset_, sizeof(classes_offset_))) {
PLOG(ERROR) << "Failed to write classes offset to " << file->name();
return false;
}
return true;
}
OatWriter::OatClasses::OatClasses(const DexFile& dex_file) {
methods_offsets_.resize(dex_file.NumClassDefs());
}
size_t OatWriter::OatClasses::SizeOf() const {
return (sizeof(methods_offsets_[0]) * methods_offsets_.size());
}
void OatWriter::OatClasses::UpdateChecksum(OatHeader& oat_header) const {
oat_header.UpdateChecksum(&methods_offsets_[0], SizeOf());
}
bool OatWriter::OatClasses::Write(File* file) const {
if (!file->WriteFully(&methods_offsets_[0], SizeOf())) {
PLOG(ERROR) << "Failed to write methods offsets to " << file->name();
return false;
}
return true;
}
OatWriter::OatMethods::OatMethods(uint32_t methods_count) {
method_offsets_.resize(methods_count);
}
size_t OatWriter::OatMethods::SizeOf() const {
return (sizeof(method_offsets_[0]) * method_offsets_.size());
}
void OatWriter::OatMethods::UpdateChecksum(OatHeader& oat_header) const {
oat_header.UpdateChecksum(&method_offsets_[0], SizeOf());
}
bool OatWriter::OatMethods::Write(File* file) const {
if (!file->WriteFully(&method_offsets_[0], SizeOf())) {
PLOG(ERROR) << "Failed to write method offsets to " << file->name();
return false;
}
return true;
}
} // namespace art