Support to pass <uses-library> option through to dex2oat.
This change takes an app's shared libraries specified by <uses-library>
and passes it through to dex2oat to be used during compilation.
Part of a multi-project change.
Bug: 26880306
(cherry-picked from commit 26e8a2f150cd7f7195a10650ab8a5b6fa5014bc8)
Change-Id: I72a352abdfc37eacd8bedfa6c218e3809ca8e39c
diff --git a/dex2oat/dex2oat.cc b/dex2oat/dex2oat.cc
index be38336..5865106 100644
--- a/dex2oat/dex2oat.cc
+++ b/dex2oat/dex2oat.cc
@@ -1312,7 +1312,7 @@
if (IsBootImage() && image_filenames_.size() > 1) {
// If we're compiling the boot image, store the boot classpath into the Key-Value store.
// We need this for the multi-image case.
- key_value_store_->Put(OatHeader::kBootClassPath, GetMultiImageBootClassPath());
+ key_value_store_->Put(OatHeader::kBootClassPathKey, GetMultiImageBootClassPath());
}
if (!IsBootImage()) {
@@ -1348,12 +1348,19 @@
// Open dex files for class path.
const std::vector<std::string> class_path_locations =
GetClassPathLocations(runtime_->GetClassPathString());
- OpenClassPathFiles(class_path_locations, &class_path_files_);
+ OpenClassPathFiles(class_path_locations, &class_path_files_, runtime_->GetInstructionSet());
// Store the classpath we have right now.
std::vector<const DexFile*> class_path_files = MakeNonOwningPointerVector(class_path_files_);
- key_value_store_->Put(OatHeader::kClassPathKey,
- OatFile::EncodeDexFileDependencies(class_path_files));
+ std::string encoded_class_path;
+ if (class_path_locations.size() == 1 &&
+ class_path_locations[0] == OatFile::kSpecialSharedLibrary) {
+ // When passing the special shared library as the classpath, it is the only path.
+ encoded_class_path = OatFile::kSpecialSharedLibrary;
+ } else {
+ encoded_class_path = OatFile::EncodeDexFileDependencies(class_path_files);
+ }
+ key_value_store_->Put(OatHeader::kClassPathKey, encoded_class_path);
}
// Now that we have finalized key_value_store_, start writing the oat file.
@@ -1966,12 +1973,31 @@
// Opens requested class path files and appends them to opened_dex_files.
static void OpenClassPathFiles(const std::vector<std::string>& class_path_locations,
- std::vector<std::unique_ptr<const DexFile>>* opened_dex_files) {
+ std::vector<std::unique_ptr<const DexFile>>* opened_dex_files,
+ InstructionSet isa) {
DCHECK(opened_dex_files != nullptr) << "OpenClassPathFiles out-param is nullptr";
for (const std::string& location : class_path_locations) {
+ // Stop early if we detect the special shared library, which may be passed as the classpath
+ // for dex2oat when we want to skip the shared libraries check.
+ if (location == OatFile::kSpecialSharedLibrary) {
+ break;
+ }
std::string error_msg;
if (!DexFile::Open(location.c_str(), location.c_str(), &error_msg, opened_dex_files)) {
- LOG(WARNING) << "Failed to open dex file '" << location << "': " << error_msg;
+ // If we fail to open the dex file because it's been stripped, try to open the dex file
+ // from its corresponding oat file.
+ OatFileAssistant oat_file_assistant(location.c_str(), isa, false, false);
+ std::unique_ptr<OatFile> oat_file(oat_file_assistant.GetBestOatFile());
+ if (oat_file == nullptr) {
+ LOG(WARNING) << "Failed to open dex file and associated oat file for '" << location
+ << "': " << error_msg;
+ } else {
+ std::vector<std::unique_ptr<const DexFile>> oat_dex_files =
+ oat_file_assistant.LoadDexFiles(*oat_file, location.c_str());
+ opened_dex_files->insert(opened_dex_files->end(),
+ std::make_move_iterator(oat_dex_files.begin()),
+ std::make_move_iterator(oat_dex_files.end()));
+ }
}
}
}