Update vdex in place if input_vdex_fd == output_vdex_fd
Test: test-art-host
bug: 30937355
Change-Id: Ib8180d67996faec518d9092725b5de00d4dba9f6
diff --git a/compiler/oat_writer.cc b/compiler/oat_writer.cc
index bebd5f5..6de08c8 100644
--- a/compiler/oat_writer.cc
+++ b/compiler/oat_writer.cc
@@ -483,6 +483,7 @@
const InstructionSetFeatures* instruction_set_features,
SafeMap<std::string, std::string>* key_value_store,
bool verify,
+ bool update_input_vdex,
/*out*/ std::unique_ptr<MemMap>* opened_dex_files_map,
/*out*/ std::vector<std::unique_ptr<const DexFile>>* opened_dex_files) {
CHECK(write_state_ == WriteState::kAddingDexFileSources);
@@ -511,15 +512,15 @@
if (kIsVdexEnabled) {
std::unique_ptr<BufferedOutputStream> vdex_out(
MakeUnique<BufferedOutputStream>(MakeUnique<FileOutputStream>(vdex_file)));
-
// Write DEX files into VDEX, mmap and open them.
- if (!WriteDexFiles(vdex_out.get(), vdex_file) ||
+ if (!WriteDexFiles(vdex_out.get(), vdex_file, update_input_vdex) ||
!OpenDexFiles(vdex_file, verify, &dex_files_map, &dex_files)) {
return false;
}
} else {
+ DCHECK(!update_input_vdex);
// Write DEX files into OAT, mmap and open them.
- if (!WriteDexFiles(oat_rodata, vdex_file) ||
+ if (!WriteDexFiles(oat_rodata, vdex_file, update_input_vdex) ||
!OpenDexFiles(vdex_file, verify, &dex_files_map, &dex_files)) {
return false;
}
@@ -2096,47 +2097,56 @@
return true;
}
-bool OatWriter::WriteDexFiles(OutputStream* out, File* file) {
+bool OatWriter::WriteDexFiles(OutputStream* out, File* file, bool update_input_vdex) {
TimingLogger::ScopedTiming split("Write Dex files", timings_);
vdex_dex_files_offset_ = vdex_size_;
// Write dex files.
for (OatDexFile& oat_dex_file : oat_dex_files_) {
- if (!WriteDexFile(out, file, &oat_dex_file)) {
+ if (!WriteDexFile(out, file, &oat_dex_file, update_input_vdex)) {
return false;
}
}
- // Close sources.
+ CloseSources();
+ return true;
+}
+
+void OatWriter::CloseSources() {
for (OatDexFile& oat_dex_file : oat_dex_files_) {
oat_dex_file.source_.Clear(); // Get rid of the reference, it's about to be invalidated.
}
zipped_dex_files_.clear();
zip_archives_.clear();
raw_dex_files_.clear();
- return true;
}
-bool OatWriter::WriteDexFile(OutputStream* out, File* file, OatDexFile* oat_dex_file) {
+bool OatWriter::WriteDexFile(OutputStream* out,
+ File* file,
+ OatDexFile* oat_dex_file,
+ bool update_input_vdex) {
if (!SeekToDexFile(out, file, oat_dex_file)) {
return false;
}
if (profile_compilation_info_ != nullptr) {
+ DCHECK(!update_input_vdex);
if (!LayoutAndWriteDexFile(out, oat_dex_file)) {
return false;
}
} else if (oat_dex_file->source_.IsZipEntry()) {
+ DCHECK(!update_input_vdex);
if (!WriteDexFile(out, file, oat_dex_file, oat_dex_file->source_.GetZipEntry())) {
return false;
}
} else if (oat_dex_file->source_.IsRawFile()) {
+ DCHECK(!update_input_vdex);
if (!WriteDexFile(out, file, oat_dex_file, oat_dex_file->source_.GetRawFile())) {
return false;
}
} else {
DCHECK(oat_dex_file->source_.IsRawData());
- if (!WriteDexFile(out, oat_dex_file, oat_dex_file->source_.GetRawData())) {
+ if (!WriteDexFile(out, oat_dex_file, oat_dex_file->source_.GetRawData(), update_input_vdex)) {
return false;
}
}
@@ -2146,6 +2156,7 @@
DCHECK_EQ(vdex_size_, oat_dex_file->dex_file_offset_);
vdex_size_ += oat_dex_file->dex_file_size_;
} else {
+ DCHECK(!update_input_vdex);
DCHECK_EQ(oat_size_, oat_dex_file->dex_file_offset_);
oat_size_ += oat_dex_file->dex_file_size_;
}
@@ -2216,7 +2227,7 @@
DexLayout dex_layout(options, profile_compilation_info_, nullptr);
dex_layout.ProcessDexFile(location.c_str(), dex_file.get(), 0);
std::unique_ptr<MemMap> mem_map(dex_layout.GetAndReleaseMemMap());
- if (!WriteDexFile(out, oat_dex_file, mem_map->Begin())) {
+ if (!WriteDexFile(out, oat_dex_file, mem_map->Begin(), /* update_input_vdex */ false)) {
return false;
}
// Set the checksum of the new oat dex file to be the original file's checksum.
@@ -2373,22 +2384,27 @@
bool OatWriter::WriteDexFile(OutputStream* out,
OatDexFile* oat_dex_file,
- const uint8_t* dex_file) {
+ const uint8_t* dex_file,
+ bool update_input_vdex) {
// Note: The raw data has already been checked to contain the header
// and all the data that the header specifies as the file size.
DCHECK(dex_file != nullptr);
DCHECK(ValidateDexFileHeader(dex_file, oat_dex_file->GetLocation()));
const UnalignedDexFileHeader* header = AsUnalignedDexFileHeader(dex_file);
- if (!out->WriteFully(dex_file, header->file_size_)) {
- PLOG(ERROR) << "Failed to write dex file " << oat_dex_file->GetLocation()
- << " to " << out->GetLocation();
- return false;
- }
- if (!out->Flush()) {
- PLOG(ERROR) << "Failed to flush stream after writing dex file."
- << " File: " << oat_dex_file->GetLocation();
- return false;
+ if (update_input_vdex) {
+ // The vdex already contains the dex code, no need to write it again.
+ } else {
+ if (!out->WriteFully(dex_file, header->file_size_)) {
+ PLOG(ERROR) << "Failed to write dex file " << oat_dex_file->GetLocation()
+ << " to " << out->GetLocation();
+ return false;
+ }
+ if (!out->Flush()) {
+ PLOG(ERROR) << "Failed to flush stream after writing dex file."
+ << " File: " << oat_dex_file->GetLocation();
+ return false;
+ }
}
// Update dex file size and resize class offsets in the OatDexFile.