resolved conflicts for merge of 7940e44f to dalvik-dev
Change-Id: I6529b2fc27dfaedd2cb87b3697d049ccabed36ee
diff --git a/compiler/driver/compiler_driver.cc b/compiler/driver/compiler_driver.cc
new file mode 100644
index 0000000..8388cfb
--- /dev/null
+++ b/compiler/driver/compiler_driver.cc
@@ -0,0 +1,2404 @@
+/*
+ * Copyright (C) 2011 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 "compiler_driver.h"
+
+#include <vector>
+
+#include <unistd.h>
+
+#include "base/stl_util.h"
+#include "base/timing_logger.h"
+#include "class_linker.h"
+#include "dex_compilation_unit.h"
+#include "dex_file-inl.h"
+#include "jni_internal.h"
+#include "oat_file.h"
+#include "object_utils.h"
+#include "runtime.h"
+#include "gc/accounting/card_table-inl.h"
+#include "gc/accounting/heap_bitmap.h"
+#include "gc/space/space.h"
+#include "mirror/class_loader.h"
+#include "mirror/class-inl.h"
+#include "mirror/dex_cache-inl.h"
+#include "mirror/field-inl.h"
+#include "mirror/abstract_method-inl.h"
+#include "mirror/object-inl.h"
+#include "mirror/object_array-inl.h"
+#include "mirror/throwable.h"
+#include "scoped_thread_state_change.h"
+#include "ScopedLocalRef.h"
+#include "stubs/stubs.h"
+#include "thread.h"
+#include "thread_pool.h"
+#include "verifier/method_verifier.h"
+
+#if defined(ART_USE_PORTABLE_COMPILER)
+#include "elf_writer_mclinker.h"
+#else
+#include "elf_writer_quick.h"
+#endif
+
+namespace art {
+
+static double Percentage(size_t x, size_t y) {
+ return 100.0 * (static_cast<double>(x)) / (static_cast<double>(x + y));
+}
+
+static void DumpStat(size_t x, size_t y, const char* str) {
+ if (x == 0 && y == 0) {
+ return;
+ }
+ LOG(INFO) << Percentage(x, y) << "% of " << str << " for " << (x + y) << " cases";
+}
+
+class AOTCompilationStats {
+ public:
+ AOTCompilationStats()
+ : stats_lock_("AOT compilation statistics lock"),
+ types_in_dex_cache_(0), types_not_in_dex_cache_(0),
+ strings_in_dex_cache_(0), strings_not_in_dex_cache_(0),
+ resolved_types_(0), unresolved_types_(0),
+ resolved_instance_fields_(0), unresolved_instance_fields_(0),
+ resolved_local_static_fields_(0), resolved_static_fields_(0), unresolved_static_fields_(0),
+ type_based_devirtualization_(0),
+ safe_casts_(0), not_safe_casts_(0) {
+ for (size_t i = 0; i <= kMaxInvokeType; i++) {
+ resolved_methods_[i] = 0;
+ unresolved_methods_[i] = 0;
+ virtual_made_direct_[i] = 0;
+ direct_calls_to_boot_[i] = 0;
+ direct_methods_to_boot_[i] = 0;
+ }
+ }
+
+ void Dump() {
+ DumpStat(types_in_dex_cache_, types_not_in_dex_cache_, "types known to be in dex cache");
+ DumpStat(strings_in_dex_cache_, strings_not_in_dex_cache_, "strings known to be in dex cache");
+ DumpStat(resolved_types_, unresolved_types_, "types resolved");
+ DumpStat(resolved_instance_fields_, unresolved_instance_fields_, "instance fields resolved");
+ DumpStat(resolved_local_static_fields_ + resolved_static_fields_, unresolved_static_fields_,
+ "static fields resolved");
+ DumpStat(resolved_local_static_fields_, resolved_static_fields_ + unresolved_static_fields_,
+ "static fields local to a class");
+ DumpStat(safe_casts_, not_safe_casts_, "check-casts removed based on type information");
+ // Note, the code below subtracts the stat value so that when added to the stat value we have
+ // 100% of samples. TODO: clean this up.
+ DumpStat(type_based_devirtualization_,
+ resolved_methods_[kVirtual] + unresolved_methods_[kVirtual] +
+ resolved_methods_[kInterface] + unresolved_methods_[kInterface] -
+ type_based_devirtualization_,
+ "virtual/interface calls made direct based on type information");
+
+ for (size_t i = 0; i <= kMaxInvokeType; i++) {
+ std::ostringstream oss;
+ oss << static_cast<InvokeType>(i) << " methods were AOT resolved";
+ DumpStat(resolved_methods_[i], unresolved_methods_[i], oss.str().c_str());
+ if (virtual_made_direct_[i] > 0) {
+ std::ostringstream oss2;
+ oss2 << static_cast<InvokeType>(i) << " methods made direct";
+ DumpStat(virtual_made_direct_[i],
+ resolved_methods_[i] + unresolved_methods_[i] - virtual_made_direct_[i],
+ oss2.str().c_str());
+ }
+ if (direct_calls_to_boot_[i] > 0) {
+ std::ostringstream oss2;
+ oss2 << static_cast<InvokeType>(i) << " method calls are direct into boot";
+ DumpStat(direct_calls_to_boot_[i],
+ resolved_methods_[i] + unresolved_methods_[i] - direct_calls_to_boot_[i],
+ oss2.str().c_str());
+ }
+ if (direct_methods_to_boot_[i] > 0) {
+ std::ostringstream oss2;
+ oss2 << static_cast<InvokeType>(i) << " method calls have methods in boot";
+ DumpStat(direct_methods_to_boot_[i],
+ resolved_methods_[i] + unresolved_methods_[i] - direct_methods_to_boot_[i],
+ oss2.str().c_str());
+ }
+ }
+ }
+
+// Allow lossy statistics in non-debug builds.
+#ifndef NDEBUG
+#define STATS_LOCK() MutexLock mu(Thread::Current(), stats_lock_)
+#else
+#define STATS_LOCK()
+#endif
+
+ void TypeInDexCache() {
+ STATS_LOCK();
+ types_in_dex_cache_++;
+ }
+
+ void TypeNotInDexCache() {
+ STATS_LOCK();
+ types_not_in_dex_cache_++;
+ }
+
+ void StringInDexCache() {
+ STATS_LOCK();
+ strings_in_dex_cache_++;
+ }
+
+ void StringNotInDexCache() {
+ STATS_LOCK();
+ strings_not_in_dex_cache_++;
+ }
+
+ void TypeDoesntNeedAccessCheck() {
+ STATS_LOCK();
+ resolved_types_++;
+ }
+
+ void TypeNeedsAccessCheck() {
+ STATS_LOCK();
+ unresolved_types_++;
+ }
+
+ void ResolvedInstanceField() {
+ STATS_LOCK();
+ resolved_instance_fields_++;
+ }
+
+ void UnresolvedInstanceField() {
+ STATS_LOCK();
+ unresolved_instance_fields_++;
+ }
+
+ void ResolvedLocalStaticField() {
+ STATS_LOCK();
+ resolved_local_static_fields_++;
+ }
+
+ void ResolvedStaticField() {
+ STATS_LOCK();
+ resolved_static_fields_++;
+ }
+
+ void UnresolvedStaticField() {
+ STATS_LOCK();
+ unresolved_static_fields_++;
+ }
+
+ // Indicate that type information from the verifier led to devirtualization.
+ void PreciseTypeDevirtualization() {
+ STATS_LOCK();
+ type_based_devirtualization_++;
+ }
+
+ // Indicate that a method of the given type was resolved at compile time.
+ void ResolvedMethod(InvokeType type) {
+ DCHECK_LE(type, kMaxInvokeType);
+ STATS_LOCK();
+ resolved_methods_[type]++;
+ }
+
+ // Indicate that a method of the given type was unresolved at compile time as it was in an
+ // unknown dex file.
+ void UnresolvedMethod(InvokeType type) {
+ DCHECK_LE(type, kMaxInvokeType);
+ STATS_LOCK();
+ unresolved_methods_[type]++;
+ }
+
+ // Indicate that a type of virtual method dispatch has been converted into a direct method
+ // dispatch.
+ void VirtualMadeDirect(InvokeType type) {
+ DCHECK(type == kVirtual || type == kInterface || type == kSuper);
+ STATS_LOCK();
+ virtual_made_direct_[type]++;
+ }
+
+ // Indicate that a method of the given type was able to call directly into boot.
+ void DirectCallsToBoot(InvokeType type) {
+ DCHECK_LE(type, kMaxInvokeType);
+ STATS_LOCK();
+ direct_calls_to_boot_[type]++;
+ }
+
+ // Indicate that a method of the given type was able to be resolved directly from boot.
+ void DirectMethodsToBoot(InvokeType type) {
+ DCHECK_LE(type, kMaxInvokeType);
+ STATS_LOCK();
+ direct_methods_to_boot_[type]++;
+ }
+
+ // A check-cast could be eliminated due to verifier type analysis.
+ void SafeCast() {
+ STATS_LOCK();
+ safe_casts_++;
+ }
+
+ // A check-cast couldn't be eliminated due to verifier type analysis.
+ void NotASafeCast() {
+ STATS_LOCK();
+ not_safe_casts_++;
+ }
+
+ private:
+ Mutex stats_lock_;
+
+ size_t types_in_dex_cache_;
+ size_t types_not_in_dex_cache_;
+
+ size_t strings_in_dex_cache_;
+ size_t strings_not_in_dex_cache_;
+
+ size_t resolved_types_;
+ size_t unresolved_types_;
+
+ size_t resolved_instance_fields_;
+ size_t unresolved_instance_fields_;
+
+ size_t resolved_local_static_fields_;
+ size_t resolved_static_fields_;
+ size_t unresolved_static_fields_;
+ // Type based devirtualization for invoke interface and virtual.
+ size_t type_based_devirtualization_;
+
+ size_t resolved_methods_[kMaxInvokeType + 1];
+ size_t unresolved_methods_[kMaxInvokeType + 1];
+ size_t virtual_made_direct_[kMaxInvokeType + 1];
+ size_t direct_calls_to_boot_[kMaxInvokeType + 1];
+ size_t direct_methods_to_boot_[kMaxInvokeType + 1];
+
+ size_t safe_casts_;
+ size_t not_safe_casts_;
+
+ DISALLOW_COPY_AND_ASSIGN(AOTCompilationStats);
+};
+
+extern "C" void ArtInitCompilerContext(art::CompilerDriver& driver);
+extern "C" void ArtInitQuickCompilerContext(art::CompilerDriver& compiler);
+
+extern "C" void ArtUnInitCompilerContext(art::CompilerDriver& driver);
+extern "C" void ArtUnInitQuickCompilerContext(art::CompilerDriver& compiler);
+
+extern "C" art::CompiledMethod* ArtCompileMethod(art::CompilerDriver& driver,
+ const art::DexFile::CodeItem* code_item,
+ uint32_t access_flags,
+ art::InvokeType invoke_type,
+ uint32_t class_def_idx,
+ uint32_t method_idx,
+ jobject class_loader,
+ const art::DexFile& dex_file);
+extern "C" art::CompiledMethod* ArtQuickCompileMethod(art::CompilerDriver& compiler,
+ const art::DexFile::CodeItem* code_item,
+ uint32_t access_flags,
+ art::InvokeType invoke_type,
+ uint32_t class_def_idx,
+ uint32_t method_idx,
+ jobject class_loader,
+ const art::DexFile& dex_file);
+
+extern "C" art::CompiledMethod* ArtCompileDEX(art::CompilerDriver& compiler,
+ const art::DexFile::CodeItem* code_item,
+ uint32_t access_flags,
+ art::InvokeType invoke_type,
+ uint32_t class_def_idx,
+ uint32_t method_idx,
+ jobject class_loader,
+ const art::DexFile& dex_file);
+
+extern "C" art::CompiledMethod* SeaIrCompileMethod(art::CompilerDriver& compiler,
+ const art::DexFile::CodeItem* code_item,
+ uint32_t access_flags,
+ art::InvokeType invoke_type,
+ uint32_t class_def_idx,
+ uint32_t method_idx,
+ jobject class_loader,
+ const art::DexFile& dex_file);
+
+extern "C" art::CompiledMethod* ArtLLVMJniCompileMethod(art::CompilerDriver& driver,
+ uint32_t access_flags, uint32_t method_idx,
+ const art::DexFile& dex_file);
+
+extern "C" art::CompiledMethod* ArtQuickJniCompileMethod(art::CompilerDriver& compiler,
+ uint32_t access_flags, uint32_t method_idx,
+ const art::DexFile& dex_file);
+
+extern "C" void compilerLLVMSetBitcodeFileName(art::CompilerDriver& driver,
+ std::string const& filename);
+
+CompilerDriver::CompilerDriver(CompilerBackend compiler_backend, InstructionSet instruction_set,
+ bool image, DescriptorSet* image_classes,
+ size_t thread_count, bool support_debugging,
+ bool dump_stats, bool dump_timings)
+ : compiler_backend_(compiler_backend),
+ instruction_set_(instruction_set),
+ freezing_constructor_lock_("freezing constructor lock"),
+ compiled_classes_lock_("compiled classes lock"),
+ compiled_methods_lock_("compiled method lock"),
+ image_(image),
+ image_classes_(image_classes),
+ thread_count_(thread_count),
+ support_debugging_(support_debugging),
+ start_ns_(0),
+ stats_(new AOTCompilationStats),
+ dump_stats_(dump_stats),
+ dump_timings_(dump_timings),
+ compiler_library_(NULL),
+ compiler_(NULL),
+ compiler_context_(NULL),
+ jni_compiler_(NULL),
+ compiler_enable_auto_elf_loading_(NULL),
+ compiler_get_method_code_addr_(NULL),
+ support_boot_image_fixup_(true)
+{
+ CHECK_PTHREAD_CALL(pthread_key_create, (&tls_key_, NULL), "compiler tls key");
+
+ // TODO: more work needed to combine initializations and allow per-method backend selection
+ typedef void (*InitCompilerContextFn)(CompilerDriver&);
+ InitCompilerContextFn init_compiler_context;
+ if (compiler_backend_ == kPortable){
+ // Initialize compiler_context_
+ init_compiler_context = reinterpret_cast<void (*)(CompilerDriver&)>(ArtInitCompilerContext);
+ compiler_ = reinterpret_cast<CompilerFn>(ArtCompileMethod);
+ } else {
+ init_compiler_context = reinterpret_cast<void (*)(CompilerDriver&)>(ArtInitQuickCompilerContext);
+ compiler_ = reinterpret_cast<CompilerFn>(ArtQuickCompileMethod);
+ }
+
+ dex_to_dex_compiler_ = reinterpret_cast<CompilerFn>(ArtCompileDEX);
+
+#ifdef ART_SEA_IR_MODE
+ sea_ir_compiler_ = NULL;
+ if (Runtime::Current()->IsSeaIRMode()) {
+ sea_ir_compiler_ = reinterpret_cast<CompilerFn>(SeaIrCompileMethod);
+ }
+#endif
+
+ init_compiler_context(*this);
+
+ if (compiler_backend_ == kPortable) {
+ jni_compiler_ = reinterpret_cast<JniCompilerFn>(ArtLLVMJniCompileMethod);
+ } else {
+ jni_compiler_ = reinterpret_cast<JniCompilerFn>(ArtQuickJniCompileMethod);
+ }
+
+ CHECK(!Runtime::Current()->IsStarted());
+ if (!image_) {
+ CHECK(image_classes_.get() == NULL);
+ }
+}
+
+CompilerDriver::~CompilerDriver() {
+ Thread* self = Thread::Current();
+ {
+ MutexLock mu(self, compiled_classes_lock_);
+ STLDeleteValues(&compiled_classes_);
+ }
+ {
+ MutexLock mu(self, compiled_methods_lock_);
+ STLDeleteValues(&compiled_methods_);
+ }
+ {
+ MutexLock mu(self, compiled_methods_lock_);
+ STLDeleteElements(&code_to_patch_);
+ }
+ {
+ MutexLock mu(self, compiled_methods_lock_);
+ STLDeleteElements(&methods_to_patch_);
+ }
+ CHECK_PTHREAD_CALL(pthread_key_delete, (tls_key_), "delete tls key");
+ typedef void (*UninitCompilerContextFn)(CompilerDriver&);
+ UninitCompilerContextFn uninit_compiler_context;
+ // Uninitialize compiler_context_
+ // TODO: rework to combine initialization/uninitialization
+ if (compiler_backend_ == kPortable) {
+ uninit_compiler_context = reinterpret_cast<void (*)(CompilerDriver&)>(ArtUnInitCompilerContext);
+ } else {
+ uninit_compiler_context = reinterpret_cast<void (*)(CompilerDriver&)>(ArtUnInitQuickCompilerContext);
+ }
+ uninit_compiler_context(*this);
+}
+
+CompilerTls* CompilerDriver::GetTls() {
+ // Lazily create thread-local storage
+ CompilerTls* res = static_cast<CompilerTls*>(pthread_getspecific(tls_key_));
+ if (res == NULL) {
+ res = new CompilerTls();
+ CHECK_PTHREAD_CALL(pthread_setspecific, (tls_key_, res), "compiler tls");
+ }
+ return res;
+}
+
+const std::vector<uint8_t>* CompilerDriver::CreatePortableResolutionTrampoline() const {
+ switch (instruction_set_) {
+ case kArm:
+ case kThumb2:
+ return arm::CreatePortableResolutionTrampoline();
+ case kMips:
+ return mips::CreatePortableResolutionTrampoline();
+ case kX86:
+ return x86::CreatePortableResolutionTrampoline();
+ default:
+ LOG(FATAL) << "Unknown InstructionSet: " << instruction_set_;
+ return NULL;
+ }
+}
+
+const std::vector<uint8_t>* CompilerDriver::CreateQuickResolutionTrampoline() const {
+ switch (instruction_set_) {
+ case kArm:
+ case kThumb2:
+ return arm::CreateQuickResolutionTrampoline();
+ case kMips:
+ return mips::CreateQuickResolutionTrampoline();
+ case kX86:
+ return x86::CreateQuickResolutionTrampoline();
+ default:
+ LOG(FATAL) << "Unknown InstructionSet: " << instruction_set_;
+ return NULL;
+ }
+}
+
+const std::vector<uint8_t>* CompilerDriver::CreateInterpreterToInterpreterEntry() const {
+ switch (instruction_set_) {
+ case kArm:
+ case kThumb2:
+ return arm::CreateInterpreterToInterpreterEntry();
+ case kMips:
+ return mips::CreateInterpreterToInterpreterEntry();
+ case kX86:
+ return x86::CreateInterpreterToInterpreterEntry();
+ default:
+ LOG(FATAL) << "Unknown InstructionSet: " << instruction_set_;
+ return NULL;
+ }
+}
+
+const std::vector<uint8_t>* CompilerDriver::CreateInterpreterToQuickEntry() const {
+ switch (instruction_set_) {
+ case kArm:
+ case kThumb2:
+ return arm::CreateInterpreterToQuickEntry();
+ case kMips:
+ return mips::CreateInterpreterToQuickEntry();
+ case kX86:
+ return x86::CreateInterpreterToQuickEntry();
+ default:
+ LOG(FATAL) << "Unknown InstructionSet: " << instruction_set_;
+ return NULL;
+ }
+}
+
+void CompilerDriver::CompileAll(jobject class_loader,
+ const std::vector<const DexFile*>& dex_files) {
+ DCHECK(!Runtime::Current()->IsStarted());
+
+ UniquePtr<ThreadPool> thread_pool(new ThreadPool(thread_count_));
+ TimingLogger timings("compiler", false);
+
+ PreCompile(class_loader, dex_files, *thread_pool.get(), timings);
+
+ Compile(class_loader, dex_files, *thread_pool.get(), timings);
+
+ if (dump_timings_ && timings.GetTotalNs() > MsToNs(1000)) {
+ LOG(INFO) << Dumpable<TimingLogger>(timings);
+ }
+
+ if (dump_stats_) {
+ stats_->Dump();
+ }
+}
+
+static bool IsDexToDexCompilationAllowed(mirror::ClassLoader* class_loader,
+ const DexFile& dex_file,
+ const DexFile::ClassDef& class_def)
+ SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
+ // Do not allow DEX-to-DEX compilation of image classes. This is to prevent the
+ // verifier from passing on "quick" instruction at compilation time. It must
+ // only pass on quick instructions at runtime.
+ if (class_loader == NULL) {
+ return false;
+ }
+ const char* descriptor = dex_file.GetClassDescriptor(class_def);
+ ClassLinker* class_linker = Runtime::Current()->GetClassLinker();
+ mirror::Class* klass = class_linker->FindClass(descriptor, class_loader);
+ if (klass == NULL) {
+ Thread* self = Thread::Current();
+ CHECK(self->IsExceptionPending());
+ self->ClearException();
+ return false;
+ }
+ // DEX-to-DEX compilation is only allowed on preverified classes.
+ return klass->IsVerified();
+}
+
+void CompilerDriver::CompileOne(const mirror::AbstractMethod* method) {
+ DCHECK(!Runtime::Current()->IsStarted());
+ Thread* self = Thread::Current();
+ jobject jclass_loader;
+ const DexFile* dex_file;
+ uint32_t class_def_idx;
+ {
+ ScopedObjectAccessUnchecked soa(self);
+ ScopedLocalRef<jobject>
+ local_class_loader(soa.Env(),
+ soa.AddLocalReference<jobject>(method->GetDeclaringClass()->GetClassLoader()));
+ jclass_loader = soa.Env()->NewGlobalRef(local_class_loader.get());
+ // Find the dex_file
+ MethodHelper mh(method);
+ dex_file = &mh.GetDexFile();
+ class_def_idx = mh.GetClassDefIndex();
+ }
+ self->TransitionFromRunnableToSuspended(kNative);
+
+ std::vector<const DexFile*> dex_files;
+ dex_files.push_back(dex_file);
+
+ UniquePtr<ThreadPool> thread_pool(new ThreadPool(1U));
+ TimingLogger timings("CompileOne", false);
+ PreCompile(jclass_loader, dex_files, *thread_pool.get(), timings);
+
+ uint32_t method_idx = method->GetDexMethodIndex();
+ const DexFile::CodeItem* code_item = dex_file->GetCodeItem(method->GetCodeItemOffset());
+ // Can we run DEX-to-DEX compiler on this class ?
+ bool allow_dex_compilation;
+ {
+ ScopedObjectAccess soa(Thread::Current());
+ const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_idx);
+ mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(jclass_loader);
+ allow_dex_compilation = IsDexToDexCompilationAllowed(class_loader, *dex_file, class_def);
+ }
+ CompileMethod(code_item, method->GetAccessFlags(), method->GetInvokeType(),
+ class_def_idx, method_idx, jclass_loader, *dex_file, allow_dex_compilation);
+
+ self->GetJniEnv()->DeleteGlobalRef(jclass_loader);
+
+ self->TransitionFromSuspendedToRunnable();
+}
+
+void CompilerDriver::Resolve(jobject class_loader, const std::vector<const DexFile*>& dex_files,
+ ThreadPool& thread_pool, TimingLogger& timings) {
+ for (size_t i = 0; i != dex_files.size(); ++i) {
+ const DexFile* dex_file = dex_files[i];
+ CHECK(dex_file != NULL);
+ ResolveDexFile(class_loader, *dex_file, thread_pool, timings);
+ }
+}
+
+void CompilerDriver::PreCompile(jobject class_loader, const std::vector<const DexFile*>& dex_files,
+ ThreadPool& thread_pool, TimingLogger& timings) {
+ LoadImageClasses(timings);
+
+ Resolve(class_loader, dex_files, thread_pool, timings);
+
+ Verify(class_loader, dex_files, thread_pool, timings);
+
+ InitializeClasses(class_loader, dex_files, thread_pool, timings);
+
+ UpdateImageClasses(timings);
+}
+
+bool CompilerDriver::IsImageClass(const char* descriptor) const {
+ DCHECK(descriptor != NULL);
+ if (image_classes_.get() == NULL) {
+ return true;
+ }
+ return image_classes_->find(descriptor) != image_classes_->end();
+}
+
+static void ResolveExceptionsForMethod(MethodHelper* mh,
+ std::set<std::pair<uint16_t, const DexFile*> >& exceptions_to_resolve)
+ SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
+ const DexFile::CodeItem* code_item = mh->GetCodeItem();
+ if (code_item == NULL) {
+ return; // native or abstract method
+ }
+ if (code_item->tries_size_ == 0) {
+ return; // nothing to process
+ }
+ const byte* encoded_catch_handler_list = DexFile::GetCatchHandlerData(*code_item, 0);
+ size_t num_encoded_catch_handlers = DecodeUnsignedLeb128(&encoded_catch_handler_list);
+ for (size_t i = 0; i < num_encoded_catch_handlers; i++) {
+ int32_t encoded_catch_handler_size = DecodeSignedLeb128(&encoded_catch_handler_list);
+ bool has_catch_all = false;
+ if (encoded_catch_handler_size <= 0) {
+ encoded_catch_handler_size = -encoded_catch_handler_size;
+ has_catch_all = true;
+ }
+ for (int32_t j = 0; j < encoded_catch_handler_size; j++) {
+ uint16_t encoded_catch_handler_handlers_type_idx =
+ DecodeUnsignedLeb128(&encoded_catch_handler_list);
+ // Add to set of types to resolve if not already in the dex cache resolved types
+ if (!mh->IsResolvedTypeIdx(encoded_catch_handler_handlers_type_idx)) {
+ exceptions_to_resolve.insert(
+ std::pair<uint16_t, const DexFile*>(encoded_catch_handler_handlers_type_idx,
+ &mh->GetDexFile()));
+ }
+ // ignore address associated with catch handler
+ DecodeUnsignedLeb128(&encoded_catch_handler_list);
+ }
+ if (has_catch_all) {
+ // ignore catch all address
+ DecodeUnsignedLeb128(&encoded_catch_handler_list);
+ }
+ }
+}
+
+static bool ResolveCatchBlockExceptionsClassVisitor(mirror::Class* c, void* arg)
+ SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
+ std::set<std::pair<uint16_t, const DexFile*> >* exceptions_to_resolve =
+ reinterpret_cast<std::set<std::pair<uint16_t, const DexFile*> >*>(arg);
+ MethodHelper mh;
+ for (size_t i = 0; i < c->NumVirtualMethods(); ++i) {
+ mirror::AbstractMethod* m = c->GetVirtualMethod(i);
+ mh.ChangeMethod(m);
+ ResolveExceptionsForMethod(&mh, *exceptions_to_resolve);
+ }
+ for (size_t i = 0; i < c->NumDirectMethods(); ++i) {
+ mirror::AbstractMethod* m = c->GetDirectMethod(i);
+ mh.ChangeMethod(m);
+ ResolveExceptionsForMethod(&mh, *exceptions_to_resolve);
+ }
+ return true;
+}
+
+static bool RecordImageClassesVisitor(mirror::Class* klass, void* arg)
+ SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
+ CompilerDriver::DescriptorSet* image_classes =
+ reinterpret_cast<CompilerDriver::DescriptorSet*>(arg);
+ image_classes->insert(ClassHelper(klass).GetDescriptor());
+ return true;
+}
+
+// Make a list of descriptors for classes to include in the image
+void CompilerDriver::LoadImageClasses(TimingLogger& timings)
+ LOCKS_EXCLUDED(Locks::mutator_lock_) {
+ if (image_classes_.get() == NULL) {
+ return;
+ }
+
+ // Make a first class to load all classes explicitly listed in the file
+ Thread* self = Thread::Current();
+ ScopedObjectAccess soa(self);
+ ClassLinker* class_linker = Runtime::Current()->GetClassLinker();
+ typedef DescriptorSet::iterator It; // TODO: C++0x auto
+ for (It it = image_classes_->begin(), end = image_classes_->end(); it != end;) {
+ std::string descriptor(*it);
+ SirtRef<mirror::Class> klass(self, class_linker->FindSystemClass(descriptor.c_str()));
+ if (klass.get() == NULL) {
+ image_classes_->erase(it++);
+ LOG(WARNING) << "Failed to find class " << descriptor;
+ Thread::Current()->ClearException();
+ } else {
+ ++it;
+ }
+ }
+
+ // Resolve exception classes referenced by the loaded classes. The catch logic assumes
+ // exceptions are resolved by the verifier when there is a catch block in an interested method.
+ // Do this here so that exception classes appear to have been specified image classes.
+ std::set<std::pair<uint16_t, const DexFile*> > unresolved_exception_types;
+ SirtRef<mirror::Class> java_lang_Throwable(self,
+ class_linker->FindSystemClass("Ljava/lang/Throwable;"));
+ do {
+ unresolved_exception_types.clear();
+ class_linker->VisitClasses(ResolveCatchBlockExceptionsClassVisitor,
+ &unresolved_exception_types);
+ typedef std::set<std::pair<uint16_t, const DexFile*> >::const_iterator It; // TODO: C++0x auto
+ for (It it = unresolved_exception_types.begin(),
+ end = unresolved_exception_types.end();
+ it != end; ++it) {
+ uint16_t exception_type_idx = it->first;
+ const DexFile* dex_file = it->second;
+ mirror::DexCache* dex_cache = class_linker->FindDexCache(*dex_file);
+ mirror:: ClassLoader* class_loader = NULL;
+ SirtRef<mirror::Class> klass(self, class_linker->ResolveType(*dex_file, exception_type_idx,
+ dex_cache, class_loader));
+ if (klass.get() == NULL) {
+ const DexFile::TypeId& type_id = dex_file->GetTypeId(exception_type_idx);
+ const char* descriptor = dex_file->GetTypeDescriptor(type_id);
+ LOG(FATAL) << "Failed to resolve class " << descriptor;
+ }
+ DCHECK(java_lang_Throwable->IsAssignableFrom(klass.get()));
+ }
+ // Resolving exceptions may load classes that reference more exceptions, iterate until no
+ // more are found
+ } while (!unresolved_exception_types.empty());
+
+ // We walk the roots looking for classes so that we'll pick up the
+ // above classes plus any classes them depend on such super
+ // classes, interfaces, and the required ClassLinker roots.
+ class_linker->VisitClasses(RecordImageClassesVisitor, image_classes_.get());
+
+ CHECK_NE(image_classes_->size(), 0U);
+ timings.AddSplit("LoadImageClasses");
+}
+
+static void MaybeAddToImageClasses(mirror::Class* klass, CompilerDriver::DescriptorSet* image_classes)
+ SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
+ while (!klass->IsObjectClass()) {
+ ClassHelper kh(klass);
+ const char* descriptor = kh.GetDescriptor();
+ std::pair<CompilerDriver::DescriptorSet::iterator, bool> result =
+ image_classes->insert(descriptor);
+ if (result.second) {
+ LOG(INFO) << "Adding " << descriptor << " to image classes";
+ } else {
+ return;
+ }
+ for (size_t i = 0; i < kh.NumDirectInterfaces(); ++i) {
+ MaybeAddToImageClasses(kh.GetDirectInterface(i), image_classes);
+ }
+ if (klass->IsArrayClass()) {
+ MaybeAddToImageClasses(klass->GetComponentType(), image_classes);
+ }
+ klass = klass->GetSuperClass();
+ }
+}
+
+void CompilerDriver::FindClinitImageClassesCallback(mirror::Object* object, void* arg) {
+ DCHECK(object != NULL);
+ DCHECK(arg != NULL);
+ CompilerDriver* compiler_driver = reinterpret_cast<CompilerDriver*>(arg);
+ MaybeAddToImageClasses(object->GetClass(), compiler_driver->image_classes_.get());
+}
+
+void CompilerDriver::UpdateImageClasses(TimingLogger& timings) {
+ if (image_classes_.get() == NULL) {
+ return;
+ }
+
+ // Update image_classes_ with classes for objects created by <clinit> methods.
+ Thread* self = Thread::Current();
+ const char* old_cause = self->StartAssertNoThreadSuspension("ImageWriter");
+ gc::Heap* heap = Runtime::Current()->GetHeap();
+ // TODO: Image spaces only?
+ WriterMutexLock mu(self, *Locks::heap_bitmap_lock_);
+ heap->FlushAllocStack();
+ heap->GetLiveBitmap()->Walk(FindClinitImageClassesCallback, this);
+ self->EndAssertNoThreadSuspension(old_cause);
+ timings.AddSplit("UpdateImageClasses");
+}
+
+void CompilerDriver::RecordClassStatus(ClassReference ref, CompiledClass* compiled_class) {
+ MutexLock mu(Thread::Current(), CompilerDriver::compiled_classes_lock_);
+ compiled_classes_.Put(ref, compiled_class);
+}
+
+bool CompilerDriver::CanAssumeTypeIsPresentInDexCache(const DexFile& dex_file,
+ uint32_t type_idx) {
+ if (IsImage() && IsImageClass(dex_file.GetTypeDescriptor(dex_file.GetTypeId(type_idx)))) {
+ if (kIsDebugBuild) {
+ ScopedObjectAccess soa(Thread::Current());
+ mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file);
+ mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx);
+ CHECK(resolved_class != NULL);
+ }
+ stats_->TypeInDexCache();
+ return true;
+ } else {
+ stats_->TypeNotInDexCache();
+ return false;
+ }
+}
+
+bool CompilerDriver::CanAssumeStringIsPresentInDexCache(const DexFile& dex_file,
+ uint32_t string_idx) {
+ // See also Compiler::ResolveDexFile
+
+ bool result = false;
+ if (IsImage()) {
+ // We resolve all const-string strings when building for the image.
+ ScopedObjectAccess soa(Thread::Current());
+ mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file);
+ Runtime::Current()->GetClassLinker()->ResolveString(dex_file, string_idx, dex_cache);
+ result = true;
+ }
+ if (result) {
+ stats_->StringInDexCache();
+ } else {
+ stats_->StringNotInDexCache();
+ }
+ return result;
+}
+
+bool CompilerDriver::CanAccessTypeWithoutChecks(uint32_t referrer_idx, const DexFile& dex_file,
+ uint32_t type_idx,
+ bool* type_known_final, bool* type_known_abstract,
+ bool* equals_referrers_class) {
+ if (type_known_final != NULL) {
+ *type_known_final = false;
+ }
+ if (type_known_abstract != NULL) {
+ *type_known_abstract = false;
+ }
+ if (equals_referrers_class != NULL) {
+ *equals_referrers_class = false;
+ }
+ ScopedObjectAccess soa(Thread::Current());
+ mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file);
+ // Get type from dex cache assuming it was populated by the verifier
+ mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx);
+ if (resolved_class == NULL) {
+ stats_->TypeNeedsAccessCheck();
+ return false; // Unknown class needs access checks.
+ }
+ const DexFile::MethodId& method_id = dex_file.GetMethodId(referrer_idx);
+ if (equals_referrers_class != NULL) {
+ *equals_referrers_class = (method_id.class_idx_ == type_idx);
+ }
+ mirror::Class* referrer_class = dex_cache->GetResolvedType(method_id.class_idx_);
+ if (referrer_class == NULL) {
+ stats_->TypeNeedsAccessCheck();
+ return false; // Incomplete referrer knowledge needs access check.
+ }
+ // Perform access check, will return true if access is ok or false if we're going to have to
+ // check this at runtime (for example for class loaders).
+ bool result = referrer_class->CanAccess(resolved_class);
+ if (result) {
+ stats_->TypeDoesntNeedAccessCheck();
+ if (type_known_final != NULL) {
+ *type_known_final = resolved_class->IsFinal() && !resolved_class->IsArrayClass();
+ }
+ if (type_known_abstract != NULL) {
+ *type_known_abstract = resolved_class->IsAbstract() && !resolved_class->IsArrayClass();
+ }
+ } else {
+ stats_->TypeNeedsAccessCheck();
+ }
+ return result;
+}
+
+bool CompilerDriver::CanAccessInstantiableTypeWithoutChecks(uint32_t referrer_idx,
+ const DexFile& dex_file,
+ uint32_t type_idx) {
+ ScopedObjectAccess soa(Thread::Current());
+ mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file);
+ // Get type from dex cache assuming it was populated by the verifier.
+ mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx);
+ if (resolved_class == NULL) {
+ stats_->TypeNeedsAccessCheck();
+ return false; // Unknown class needs access checks.
+ }
+ const DexFile::MethodId& method_id = dex_file.GetMethodId(referrer_idx);
+ mirror::Class* referrer_class = dex_cache->GetResolvedType(method_id.class_idx_);
+ if (referrer_class == NULL) {
+ stats_->TypeNeedsAccessCheck();
+ return false; // Incomplete referrer knowledge needs access check.
+ }
+ // Perform access and instantiable checks, will return true if access is ok or false if we're
+ // going to have to check this at runtime (for example for class loaders).
+ bool result = referrer_class->CanAccess(resolved_class) && resolved_class->IsInstantiable();
+ if (result) {
+ stats_->TypeDoesntNeedAccessCheck();
+ } else {
+ stats_->TypeNeedsAccessCheck();
+ }
+ return result;
+}
+
+static mirror::Class* ComputeCompilingMethodsClass(ScopedObjectAccess& soa,
+ mirror::DexCache* dex_cache,
+ const DexCompilationUnit* mUnit)
+ SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
+ // The passed dex_cache is a hint, sanity check before asking the class linker that will take a
+ // lock.
+ if (dex_cache->GetDexFile() != mUnit->GetDexFile()) {
+ dex_cache = mUnit->GetClassLinker()->FindDexCache(*mUnit->GetDexFile());
+ }
+ mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader());
+ const DexFile::MethodId& referrer_method_id = mUnit->GetDexFile()->GetMethodId(mUnit->GetDexMethodIndex());
+ return mUnit->GetClassLinker()->ResolveType(*mUnit->GetDexFile(), referrer_method_id.class_idx_,
+ dex_cache, class_loader);
+}
+
+static mirror::Field* ComputeFieldReferencedFromCompilingMethod(ScopedObjectAccess& soa,
+ const DexCompilationUnit* mUnit,
+ uint32_t field_idx)
+ SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
+ mirror::DexCache* dex_cache = mUnit->GetClassLinker()->FindDexCache(*mUnit->GetDexFile());
+ mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader());
+ return mUnit->GetClassLinker()->ResolveField(*mUnit->GetDexFile(), field_idx, dex_cache,
+ class_loader, false);
+}
+
+static mirror::AbstractMethod* ComputeMethodReferencedFromCompilingMethod(ScopedObjectAccess& soa,
+ const DexCompilationUnit* mUnit,
+ uint32_t method_idx,
+ InvokeType type)
+ SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
+ mirror::DexCache* dex_cache = mUnit->GetClassLinker()->FindDexCache(*mUnit->GetDexFile());
+ mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader());
+ return mUnit->GetClassLinker()->ResolveMethod(*mUnit->GetDexFile(), method_idx, dex_cache,
+ class_loader, NULL, type);
+}
+
+bool CompilerDriver::ComputeInstanceFieldInfo(uint32_t field_idx, const DexCompilationUnit* mUnit,
+ int& field_offset, bool& is_volatile, bool is_put) {
+ ScopedObjectAccess soa(Thread::Current());
+ // Conservative defaults.
+ field_offset = -1;
+ is_volatile = true;
+ // Try to resolve field and ignore if an Incompatible Class Change Error (ie is static).
+ mirror::Field* resolved_field = ComputeFieldReferencedFromCompilingMethod(soa, mUnit, field_idx);
+ if (resolved_field != NULL && !resolved_field->IsStatic()) {
+ mirror::Class* referrer_class =
+ ComputeCompilingMethodsClass(soa, resolved_field->GetDeclaringClass()->GetDexCache(),
+ mUnit);
+ if (referrer_class != NULL) {
+ mirror::Class* fields_class = resolved_field->GetDeclaringClass();
+ bool access_ok = referrer_class->CanAccess(fields_class) &&
+ referrer_class->CanAccessMember(fields_class,
+ resolved_field->GetAccessFlags());
+ if (!access_ok) {
+ // The referring class can't access the resolved field, this may occur as a result of a
+ // protected field being made public by a sub-class. Resort to the dex file to determine
+ // the correct class for the access check.
+ const DexFile& dex_file = *referrer_class->GetDexCache()->GetDexFile();
+ mirror::Class* dex_fields_class = mUnit->GetClassLinker()->ResolveType(dex_file,
+ dex_file.GetFieldId(field_idx).class_idx_,
+ referrer_class);
+ access_ok = referrer_class->CanAccess(dex_fields_class) &&
+ referrer_class->CanAccessMember(dex_fields_class,
+ resolved_field->GetAccessFlags());
+ }
+ bool is_write_to_final_from_wrong_class = is_put && resolved_field->IsFinal() &&
+ fields_class != referrer_class;
+ if (access_ok && !is_write_to_final_from_wrong_class) {
+ field_offset = resolved_field->GetOffset().Int32Value();
+ is_volatile = resolved_field->IsVolatile();
+ stats_->ResolvedInstanceField();
+ return true; // Fast path.
+ }
+ }
+ }
+ // Clean up any exception left by field/type resolution
+ if (soa.Self()->IsExceptionPending()) {
+ soa.Self()->ClearException();
+ }
+ stats_->UnresolvedInstanceField();
+ return false; // Incomplete knowledge needs slow path.
+}
+
+bool CompilerDriver::ComputeStaticFieldInfo(uint32_t field_idx, const DexCompilationUnit* mUnit,
+ int& field_offset, int& ssb_index,
+ bool& is_referrers_class, bool& is_volatile,
+ bool is_put) {
+ ScopedObjectAccess soa(Thread::Current());
+ // Conservative defaults.
+ field_offset = -1;
+ ssb_index = -1;
+ is_referrers_class = false;
+ is_volatile = true;
+ // Try to resolve field and ignore if an Incompatible Class Change Error (ie isn't static).
+ mirror::Field* resolved_field = ComputeFieldReferencedFromCompilingMethod(soa, mUnit, field_idx);
+ if (resolved_field != NULL && resolved_field->IsStatic()) {
+ mirror::Class* referrer_class =
+ ComputeCompilingMethodsClass(soa, resolved_field->GetDeclaringClass()->GetDexCache(),
+ mUnit);
+ if (referrer_class != NULL) {
+ mirror::Class* fields_class = resolved_field->GetDeclaringClass();
+ if (fields_class == referrer_class) {
+ is_referrers_class = true; // implies no worrying about class initialization
+ field_offset = resolved_field->GetOffset().Int32Value();
+ is_volatile = resolved_field->IsVolatile();
+ stats_->ResolvedLocalStaticField();
+ return true; // fast path
+ } else {
+ bool access_ok = referrer_class->CanAccess(fields_class) &&
+ referrer_class->CanAccessMember(fields_class,
+ resolved_field->GetAccessFlags());
+ if (!access_ok) {
+ // The referring class can't access the resolved field, this may occur as a result of a
+ // protected field being made public by a sub-class. Resort to the dex file to determine
+ // the correct class for the access check. Don't change the field's class as that is
+ // used to identify the SSB.
+ const DexFile& dex_file = *referrer_class->GetDexCache()->GetDexFile();
+ mirror::Class* dex_fields_class =
+ mUnit->GetClassLinker()->ResolveType(dex_file,
+ dex_file.GetFieldId(field_idx).class_idx_,
+ referrer_class);
+ access_ok = referrer_class->CanAccess(dex_fields_class) &&
+ referrer_class->CanAccessMember(dex_fields_class,
+ resolved_field->GetAccessFlags());
+ }
+ bool is_write_to_final_from_wrong_class = is_put && resolved_field->IsFinal();
+ if (access_ok && !is_write_to_final_from_wrong_class) {
+ // We have the resolved field, we must make it into a ssbIndex for the referrer
+ // in its static storage base (which may fail if it doesn't have a slot for it)
+ // TODO: for images we can elide the static storage base null check
+ // if we know there's a non-null entry in the image
+ mirror::DexCache* dex_cache = mUnit->GetClassLinker()->FindDexCache(*mUnit->GetDexFile());
+ if (fields_class->GetDexCache() == dex_cache) {
+ // common case where the dex cache of both the referrer and the field are the same,
+ // no need to search the dex file
+ ssb_index = fields_class->GetDexTypeIndex();
+ field_offset = resolved_field->GetOffset().Int32Value();
+ is_volatile = resolved_field->IsVolatile();
+ stats_->ResolvedStaticField();
+ return true;
+ }
+ // Search dex file for localized ssb index, may fail if field's class is a parent
+ // of the class mentioned in the dex file and there is no dex cache entry.
+ const DexFile::StringId* string_id =
+ mUnit->GetDexFile()->FindStringId(FieldHelper(resolved_field).GetDeclaringClassDescriptor());
+ if (string_id != NULL) {
+ const DexFile::TypeId* type_id =
+ mUnit->GetDexFile()->FindTypeId(mUnit->GetDexFile()->GetIndexForStringId(*string_id));
+ if (type_id != NULL) {
+ // medium path, needs check of static storage base being initialized
+ ssb_index = mUnit->GetDexFile()->GetIndexForTypeId(*type_id);
+ field_offset = resolved_field->GetOffset().Int32Value();
+ is_volatile = resolved_field->IsVolatile();
+ stats_->ResolvedStaticField();
+ return true;
+ }
+ }
+ }
+ }
+ }
+ }
+ // Clean up any exception left by field/type resolution
+ if (soa.Self()->IsExceptionPending()) {
+ soa.Self()->ClearException();
+ }
+ stats_->UnresolvedStaticField();
+ return false; // Incomplete knowledge needs slow path.
+}
+
+void CompilerDriver::GetCodeAndMethodForDirectCall(InvokeType type, InvokeType sharp_type,
+ mirror::Class* referrer_class,
+ mirror::AbstractMethod* method,
+ uintptr_t& direct_code,
+ uintptr_t& direct_method,
+ bool update_stats) {
+ // For direct and static methods compute possible direct_code and direct_method values, ie
+ // an address for the Method* being invoked and an address of the code for that Method*.
+ // For interface calls compute a value for direct_method that is the interface method being
+ // invoked, so this can be passed to the out-of-line runtime support code.
+ direct_code = 0;
+ direct_method = 0;
+ if (compiler_backend_ == kPortable) {
+ if (sharp_type != kStatic && sharp_type != kDirect) {
+ return;
+ }
+ } else {
+ if (sharp_type != kStatic && sharp_type != kDirect && sharp_type != kInterface) {
+ return;
+ }
+ }
+ bool method_code_in_boot = method->GetDeclaringClass()->GetClassLoader() == NULL;
+ if (!method_code_in_boot) {
+ return;
+ }
+ bool has_clinit_trampoline = method->IsStatic() && !method->GetDeclaringClass()->IsInitialized();
+ if (has_clinit_trampoline && (method->GetDeclaringClass() != referrer_class)) {
+ // Ensure we run the clinit trampoline unless we are invoking a static method in the same class.
+ return;
+ }
+ if (update_stats) {
+ if (sharp_type != kInterface) { // Interfaces always go via a trampoline.
+ stats_->DirectCallsToBoot(type);
+ }
+ stats_->DirectMethodsToBoot(type);
+ }
+ bool compiling_boot = Runtime::Current()->GetHeap()->GetContinuousSpaces().size() == 1;
+ if (compiling_boot) {
+ if (support_boot_image_fixup_) {
+ MethodHelper mh(method);
+ if (IsImageClass(mh.GetDeclaringClassDescriptor())) {
+ // We can only branch directly to Methods that are resolved in the DexCache.
+ // Otherwise we won't invoke the resolution trampoline.
+ direct_method = -1;
+ direct_code = -1;
+ }
+ }
+ } else {
+ if (Runtime::Current()->GetHeap()->FindSpaceFromObject(method, false)->IsImageSpace()) {
+ direct_method = reinterpret_cast<uintptr_t>(method);
+ }
+ direct_code = reinterpret_cast<uintptr_t>(method->GetEntryPointFromCompiledCode());
+ }
+}
+
+bool CompilerDriver::ComputeInvokeInfo(const DexCompilationUnit* mUnit, const uint32_t dex_pc,
+ InvokeType& invoke_type,
+ MethodReference& target_method,
+ int& vtable_idx,
+ uintptr_t& direct_code, uintptr_t& direct_method,
+ bool update_stats) {
+ ScopedObjectAccess soa(Thread::Current());
+ vtable_idx = -1;
+ direct_code = 0;
+ direct_method = 0;
+ mirror::AbstractMethod* resolved_method =
+ ComputeMethodReferencedFromCompilingMethod(soa, mUnit, target_method.dex_method_index,
+ invoke_type);
+ if (resolved_method != NULL) {
+ // Don't try to fast-path if we don't understand the caller's class or this appears to be an
+ // Incompatible Class Change Error.
+ mirror::Class* referrer_class =
+ ComputeCompilingMethodsClass(soa, resolved_method->GetDeclaringClass()->GetDexCache(),
+ mUnit);
+ bool icce = resolved_method->CheckIncompatibleClassChange(invoke_type);
+ if (referrer_class != NULL && !icce) {
+ mirror::Class* methods_class = resolved_method->GetDeclaringClass();
+ if (!referrer_class->CanAccess(methods_class) ||
+ !referrer_class->CanAccessMember(methods_class,
+ resolved_method->GetAccessFlags())) {
+ // The referring class can't access the resolved method, this may occur as a result of a
+ // protected method being made public by implementing an interface that re-declares the
+ // method public. Resort to the dex file to determine the correct class for the access
+ // check.
+ uint16_t class_idx =
+ target_method.dex_file->GetMethodId(target_method.dex_method_index).class_idx_;
+ methods_class = mUnit->GetClassLinker()->ResolveType(*target_method.dex_file,
+ class_idx, referrer_class);
+ }
+ if (referrer_class->CanAccess(methods_class) &&
+ referrer_class->CanAccessMember(methods_class, resolved_method->GetAccessFlags())) {
+ const bool kEnableFinalBasedSharpening = true;
+ // Sharpen a virtual call into a direct call when the target is known not to have been
+ // overridden (ie is final).
+ bool can_sharpen_virtual_based_on_type =
+ (invoke_type == kVirtual) && (resolved_method->IsFinal() || methods_class->IsFinal());
+ // For invoke-super, ensure the vtable index will be correct to dispatch in the vtable of
+ // the super class.
+ bool can_sharpen_super_based_on_type = (invoke_type == kSuper) &&
+ (referrer_class != methods_class) && referrer_class->IsSubClass(methods_class) &&
+ resolved_method->GetMethodIndex() < methods_class->GetVTable()->GetLength() &&
+ (methods_class->GetVTable()->Get(resolved_method->GetMethodIndex()) == resolved_method);
+
+ if (kEnableFinalBasedSharpening && (can_sharpen_virtual_based_on_type ||
+ can_sharpen_super_based_on_type)) {
+ // Sharpen a virtual call into a direct call. The method_idx is into referrer's
+ // dex cache, check that this resolved method is where we expect it.
+ CHECK(referrer_class->GetDexCache()->GetResolvedMethod(target_method.dex_method_index) ==
+ resolved_method) << PrettyMethod(resolved_method);
+ if (update_stats) {
+ stats_->ResolvedMethod(invoke_type);
+ stats_->VirtualMadeDirect(invoke_type);
+ }
+ GetCodeAndMethodForDirectCall(invoke_type, kDirect, referrer_class, resolved_method,
+ direct_code, direct_method, update_stats);
+ invoke_type = kDirect;
+ return true;
+ }
+ const bool kEnableVerifierBasedSharpening = true;
+ if (kEnableVerifierBasedSharpening && (invoke_type == kVirtual ||
+ invoke_type == kInterface)) {
+ // Did the verifier record a more precise invoke target based on its type information?
+ const MethodReference caller_method(mUnit->GetDexFile(), mUnit->GetDexMethodIndex());
+ const MethodReference* devirt_map_target =
+ verifier::MethodVerifier::GetDevirtMap(caller_method, dex_pc);
+ if (devirt_map_target != NULL) {
+ mirror::DexCache* target_dex_cache =
+ mUnit->GetClassLinker()->FindDexCache(*devirt_map_target->dex_file);
+ mirror::ClassLoader* class_loader =
+ soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader());
+ mirror::AbstractMethod* called_method =
+ mUnit->GetClassLinker()->ResolveMethod(*devirt_map_target->dex_file,
+ devirt_map_target->dex_method_index,
+ target_dex_cache, class_loader, NULL,
+ kVirtual);
+ CHECK(called_method != NULL);
+ CHECK(!called_method->IsAbstract());
+ GetCodeAndMethodForDirectCall(invoke_type, kDirect, referrer_class, called_method,
+ direct_code, direct_method, update_stats);
+ bool compiler_needs_dex_cache =
+ (GetCompilerBackend() == kPortable) ||
+ (GetCompilerBackend() == kQuick && instruction_set_ != kThumb2) ||
+ (direct_code == 0) || (direct_code == static_cast<unsigned int>(-1)) ||
+ (direct_method == 0) || (direct_method == static_cast<unsigned int>(-1));
+ if ((devirt_map_target->dex_file != target_method.dex_file) &&
+ compiler_needs_dex_cache) {
+ // We need to use the dex cache to find either the method or code, and the dex file
+ // containing the method isn't the one expected for the target method. Try to find
+ // the method within the expected target dex file.
+ // TODO: the -1 could be handled as direct code if the patching new the target dex
+ // file.
+ // TODO: quick only supports direct pointers with Thumb2.
+ // TODO: the following should be factored into a common helper routine to find
+ // one dex file's method within another.
+ const DexFile* dexfile = target_method.dex_file;
+ const DexFile* cm_dexfile =
+ called_method->GetDeclaringClass()->GetDexCache()->GetDexFile();
+ const DexFile::MethodId& cm_method_id =
+ cm_dexfile->GetMethodId(called_method->GetDexMethodIndex());
+ const char* cm_descriptor = cm_dexfile->StringByTypeIdx(cm_method_id.class_idx_);
+ const DexFile::StringId* descriptor = dexfile->FindStringId(cm_descriptor);
+ if (descriptor != NULL) {
+ const DexFile::TypeId* type_id =
+ dexfile->FindTypeId(dexfile->GetIndexForStringId(*descriptor));
+ if (type_id != NULL) {
+ const char* cm_name = cm_dexfile->GetMethodName(cm_method_id);
+ const DexFile::StringId* name = dexfile->FindStringId(cm_name);
+ if (name != NULL) {
+ uint16_t return_type_idx;
+ std::vector<uint16_t> param_type_idxs;
+ bool success = dexfile->CreateTypeList(&return_type_idx, ¶m_type_idxs,
+ cm_dexfile->GetMethodSignature(cm_method_id));
+ if (success) {
+ const DexFile::ProtoId* sig =
+ dexfile->FindProtoId(return_type_idx, param_type_idxs);
+ if (sig != NULL) {
+ const DexFile::MethodId* method_id = dexfile->FindMethodId(*type_id,
+ *name, *sig);
+ if (method_id != NULL) {
+ if (update_stats) {
+ stats_->ResolvedMethod(invoke_type);
+ stats_->VirtualMadeDirect(invoke_type);
+ stats_->PreciseTypeDevirtualization();
+ }
+ target_method.dex_method_index = dexfile->GetIndexForMethodId(*method_id);
+ invoke_type = kDirect;
+ return true;
+ }
+ }
+ }
+ }
+ }
+ }
+ // TODO: the stats for direct code and method are off as we failed to find the direct
+ // method in the referring method's dex cache/file.
+ } else {
+ if (update_stats) {
+ stats_->ResolvedMethod(invoke_type);
+ stats_->VirtualMadeDirect(invoke_type);
+ stats_->PreciseTypeDevirtualization();
+ }
+ target_method = *devirt_map_target;
+ invoke_type = kDirect;
+ return true;
+ }
+ }
+ }
+ if (invoke_type == kSuper) {
+ // Unsharpened super calls are suspicious so go slow-path.
+ } else {
+ // Sharpening failed so generate a regular resolved method dispatch.
+ if (update_stats) {
+ stats_->ResolvedMethod(invoke_type);
+ }
+ if (invoke_type == kVirtual || invoke_type == kSuper) {
+ vtable_idx = resolved_method->GetMethodIndex();
+ }
+ GetCodeAndMethodForDirectCall(invoke_type, invoke_type, referrer_class, resolved_method,
+ direct_code, direct_method, update_stats);
+ return true;
+ }
+ }
+ }
+ }
+ // Clean up any exception left by method/invoke_type resolution
+ if (soa.Self()->IsExceptionPending()) {
+ soa.Self()->ClearException();
+ }
+ if (update_stats) {
+ stats_->UnresolvedMethod(invoke_type);
+ }
+ return false; // Incomplete knowledge needs slow path.
+}
+
+bool CompilerDriver::IsSafeCast(const MethodReference& mr, uint32_t dex_pc) {
+ bool result = verifier::MethodVerifier::IsSafeCast(mr, dex_pc);
+ if (result) {
+ stats_->SafeCast();
+ } else {
+ stats_->NotASafeCast();
+ }
+ return result;
+}
+
+
+void CompilerDriver::AddCodePatch(const DexFile* dex_file,
+ uint32_t referrer_method_idx,
+ InvokeType referrer_invoke_type,
+ uint32_t target_method_idx,
+ InvokeType target_invoke_type,
+ size_t literal_offset) {
+ MutexLock mu(Thread::Current(), compiled_methods_lock_);
+ code_to_patch_.push_back(new PatchInformation(dex_file,
+ referrer_method_idx,
+ referrer_invoke_type,
+ target_method_idx,
+ target_invoke_type,
+ literal_offset));
+}
+void CompilerDriver::AddMethodPatch(const DexFile* dex_file,
+ uint32_t referrer_method_idx,
+ InvokeType referrer_invoke_type,
+ uint32_t target_method_idx,
+ InvokeType target_invoke_type,
+ size_t literal_offset) {
+ MutexLock mu(Thread::Current(), compiled_methods_lock_);
+ methods_to_patch_.push_back(new PatchInformation(dex_file,
+ referrer_method_idx,
+ referrer_invoke_type,
+ target_method_idx,
+ target_invoke_type,
+ literal_offset));
+}
+
+class ParallelCompilationManager {
+ public:
+ typedef void Callback(const ParallelCompilationManager* manager, size_t index);
+
+ ParallelCompilationManager(ClassLinker* class_linker,
+ jobject class_loader,
+ CompilerDriver* compiler,
+ const DexFile* dex_file,
+ ThreadPool& thread_pool)
+ : class_linker_(class_linker),
+ class_loader_(class_loader),
+ compiler_(compiler),
+ dex_file_(dex_file),
+ thread_pool_(&thread_pool) {}
+
+ ClassLinker* GetClassLinker() const {
+ CHECK(class_linker_ != NULL);
+ return class_linker_;
+ }
+
+ jobject GetClassLoader() const {
+ return class_loader_;
+ }
+
+ CompilerDriver* GetCompiler() const {
+ CHECK(compiler_ != NULL);
+ return compiler_;
+ }
+
+ const DexFile* GetDexFile() const {
+ CHECK(dex_file_ != NULL);
+ return dex_file_;
+ }
+
+ void ForAll(size_t begin, size_t end, Callback callback, size_t work_units) {
+ Thread* self = Thread::Current();
+ self->AssertNoPendingException();
+ CHECK_GT(work_units, 0U);
+
+ std::vector<ForAllClosure*> closures(work_units);
+ for (size_t i = 0; i < work_units; ++i) {
+ closures[i] = new ForAllClosure(this, begin + i, end, callback, work_units);
+ thread_pool_->AddTask(self, closures[i]);
+ }
+ thread_pool_->StartWorkers(self);
+
+ // Ensure we're suspended while we're blocked waiting for the other threads to finish (worker
+ // thread destructor's called below perform join).
+ CHECK_NE(self->GetState(), kRunnable);
+
+ // Wait for all the worker threads to finish.
+ thread_pool_->Wait(self, true, false);
+ }
+
+ private:
+
+ class ForAllClosure : public Task {
+ public:
+ ForAllClosure(ParallelCompilationManager* manager, size_t begin, size_t end, Callback* callback,
+ size_t stripe)
+ : manager_(manager),
+ begin_(begin),
+ end_(end),
+ callback_(callback),
+ stripe_(stripe)
+ {
+
+ }
+
+ virtual void Run(Thread* self) {
+ for (size_t i = begin_; i < end_; i += stripe_) {
+ callback_(manager_, i);
+ self->AssertNoPendingException();
+ }
+ }
+
+ virtual void Finalize() {
+ delete this;
+ }
+ private:
+ const ParallelCompilationManager* const manager_;
+ const size_t begin_;
+ const size_t end_;
+ const Callback* const callback_;
+ const size_t stripe_;
+ };
+
+ ClassLinker* const class_linker_;
+ const jobject class_loader_;
+ CompilerDriver* const compiler_;
+ const DexFile* const dex_file_;
+ ThreadPool* const thread_pool_;
+};
+
+// Return true if the class should be skipped during compilation. We
+// never skip classes in the boot class loader. However, if we have a
+// non-boot class loader and we can resolve the class in the boot
+// class loader, we do skip the class. This happens if an app bundles
+// classes found in the boot classpath. Since at runtime we will
+// select the class from the boot classpath, do not attempt to resolve
+// or compile it now.
+static bool SkipClass(mirror::ClassLoader* class_loader,
+ const DexFile& dex_file,
+ const DexFile::ClassDef& class_def)
+ SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
+ if (class_loader == NULL) {
+ return false;
+ }
+ const char* descriptor = dex_file.GetClassDescriptor(class_def);
+ ClassLinker* class_linker = Runtime::Current()->GetClassLinker();
+ mirror::Class* klass = class_linker->FindClass(descriptor, NULL);
+ if (klass == NULL) {
+ Thread* self = Thread::Current();
+ CHECK(self->IsExceptionPending());
+ self->ClearException();
+ return false;
+ }
+ return true;
+}
+
+static void ResolveClassFieldsAndMethods(const ParallelCompilationManager* manager, size_t class_def_index)
+ LOCKS_EXCLUDED(Locks::mutator_lock_) {
+ ScopedObjectAccess soa(Thread::Current());
+ mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(manager->GetClassLoader());
+ const DexFile& dex_file = *manager->GetDexFile();
+
+ // Method and Field are the worst. We can't resolve without either
+ // context from the code use (to disambiguate virtual vs direct
+ // method and instance vs static field) or from class
+ // definitions. While the compiler will resolve what it can as it
+ // needs it, here we try to resolve fields and methods used in class
+ // definitions, since many of them many never be referenced by
+ // generated code.
+ const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index);
+ if (SkipClass(class_loader, dex_file, class_def)) {
+ return;
+ }
+
+ // Note the class_data pointer advances through the headers,
+ // static fields, instance fields, direct methods, and virtual
+ // methods.
+ const byte* class_data = dex_file.GetClassData(class_def);
+ if (class_data == NULL) {
+ // empty class such as a marker interface
+ return;
+ }
+ Thread* self = Thread::Current();
+ ClassLinker* class_linker = manager->GetClassLinker();
+ mirror::DexCache* dex_cache = class_linker->FindDexCache(dex_file);
+ ClassDataItemIterator it(dex_file, class_data);
+ while (it.HasNextStaticField()) {
+ mirror::Field* field = class_linker->ResolveField(dex_file, it.GetMemberIndex(), dex_cache,
+ class_loader, true);
+ if (field == NULL) {
+ CHECK(self->IsExceptionPending());
+ self->ClearException();
+ }
+ it.Next();
+ }
+ // If an instance field is final then we need to have a barrier on the return, static final
+ // fields are assigned within the lock held for class initialization.
+ bool requires_constructor_barrier = false;
+ while (it.HasNextInstanceField()) {
+ if ((it.GetMemberAccessFlags() & kAccFinal) != 0) {
+ requires_constructor_barrier = true;
+ }
+
+ mirror::Field* field = class_linker->ResolveField(dex_file, it.GetMemberIndex(), dex_cache,
+ class_loader, false);
+ if (field == NULL) {
+ CHECK(self->IsExceptionPending());
+ self->ClearException();
+ }
+ it.Next();
+ }
+ if (requires_constructor_barrier) {
+ manager->GetCompiler()->AddRequiresConstructorBarrier(soa.Self(), manager->GetDexFile(),
+ class_def_index);
+ }
+ while (it.HasNextDirectMethod()) {
+ mirror::AbstractMethod* method = class_linker->ResolveMethod(dex_file, it.GetMemberIndex(),
+ dex_cache, class_loader, NULL,
+ it.GetMethodInvokeType(class_def));
+ if (method == NULL) {
+ CHECK(self->IsExceptionPending());
+ self->ClearException();
+ }
+ it.Next();
+ }
+ while (it.HasNextVirtualMethod()) {
+ mirror::AbstractMethod* method = class_linker->ResolveMethod(dex_file, it.GetMemberIndex(),
+ dex_cache, class_loader, NULL,
+ it.GetMethodInvokeType(class_def));
+ if (method == NULL) {
+ CHECK(self->IsExceptionPending());
+ self->ClearException();
+ }
+ it.Next();
+ }
+ DCHECK(!it.HasNext());
+}
+
+static void ResolveType(const ParallelCompilationManager* manager, size_t type_idx)
+ LOCKS_EXCLUDED(Locks::mutator_lock_) {
+ // Class derived values are more complicated, they require the linker and loader.
+ ScopedObjectAccess soa(Thread::Current());
+ ClassLinker* class_linker = manager->GetClassLinker();
+ const DexFile& dex_file = *manager->GetDexFile();
+ mirror::DexCache* dex_cache = class_linker->FindDexCache(dex_file);
+ mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(manager->GetClassLoader());
+ mirror::Class* klass = class_linker->ResolveType(dex_file, type_idx, dex_cache, class_loader);
+
+ if (klass == NULL) {
+ CHECK(soa.Self()->IsExceptionPending());
+ Thread::Current()->ClearException();
+ }
+}
+
+void CompilerDriver::ResolveDexFile(jobject class_loader, const DexFile& dex_file,
+ ThreadPool& thread_pool, TimingLogger& timings) {
+ ClassLinker* class_linker = Runtime::Current()->GetClassLinker();
+
+ // TODO: we could resolve strings here, although the string table is largely filled with class
+ // and method names.
+
+ ParallelCompilationManager context(class_linker, class_loader, this, &dex_file, thread_pool);
+ context.ForAll(0, dex_file.NumTypeIds(), ResolveType, thread_count_);
+ timings.AddSplit("Resolve " + dex_file.GetLocation() + " Types");
+
+ context.ForAll(0, dex_file.NumClassDefs(), ResolveClassFieldsAndMethods, thread_count_);
+ timings.AddSplit("Resolve " + dex_file.GetLocation() + " MethodsAndFields");
+}
+
+void CompilerDriver::Verify(jobject class_loader, const std::vector<const DexFile*>& dex_files,
+ ThreadPool& thread_pool, TimingLogger& timings) {
+ for (size_t i = 0; i != dex_files.size(); ++i) {
+ const DexFile* dex_file = dex_files[i];
+ CHECK(dex_file != NULL);
+ VerifyDexFile(class_loader, *dex_file, thread_pool, timings);
+ }
+}
+
+static void VerifyClass(const ParallelCompilationManager* manager, size_t class_def_index)
+ LOCKS_EXCLUDED(Locks::mutator_lock_) {
+ ScopedObjectAccess soa(Thread::Current());
+ const DexFile::ClassDef& class_def = manager->GetDexFile()->GetClassDef(class_def_index);
+ const char* descriptor = manager->GetDexFile()->GetClassDescriptor(class_def);
+ mirror::Class* klass =
+ manager->GetClassLinker()->FindClass(descriptor,
+ soa.Decode<mirror::ClassLoader*>(manager->GetClassLoader()));
+ if (klass == NULL) {
+ CHECK(soa.Self()->IsExceptionPending());
+ soa.Self()->ClearException();
+
+ /*
+ * At compile time, we can still structurally verify the class even if FindClass fails.
+ * This is to ensure the class is structurally sound for compilation. An unsound class
+ * will be rejected by the verifier and later skipped during compilation in the compiler.
+ */
+ mirror::DexCache* dex_cache = manager->GetClassLinker()->FindDexCache(*manager->GetDexFile());
+ std::string error_msg;
+ if (verifier::MethodVerifier::VerifyClass(manager->GetDexFile(),
+ dex_cache,
+ soa.Decode<mirror::ClassLoader*>(manager->GetClassLoader()),
+ class_def_index, error_msg, true) ==
+ verifier::MethodVerifier::kHardFailure) {
+ const DexFile::ClassDef& class_def = manager->GetDexFile()->GetClassDef(class_def_index);
+ LOG(ERROR) << "Verification failed on class "
+ << PrettyDescriptor(manager->GetDexFile()->GetClassDescriptor(class_def))
+ << " because: " << error_msg;
+ }
+ return;
+ }
+ CHECK(klass->IsResolved()) << PrettyClass(klass);
+ manager->GetClassLinker()->VerifyClass(klass);
+
+ if (klass->IsErroneous()) {
+ // ClassLinker::VerifyClass throws, which isn't useful in the compiler.
+ CHECK(soa.Self()->IsExceptionPending());
+ soa.Self()->ClearException();
+ }
+
+ CHECK(klass->IsCompileTimeVerified() || klass->IsErroneous())
+ << PrettyDescriptor(klass) << ": state=" << klass->GetStatus();
+ soa.Self()->AssertNoPendingException();
+}
+
+void CompilerDriver::VerifyDexFile(jobject class_loader, const DexFile& dex_file,
+ ThreadPool& thread_pool, TimingLogger& timings) {
+ ClassLinker* class_linker = Runtime::Current()->GetClassLinker();
+ ParallelCompilationManager context(class_linker, class_loader, this, &dex_file, thread_pool);
+ context.ForAll(0, dex_file.NumClassDefs(), VerifyClass, thread_count_);
+ timings.AddSplit("Verify " + dex_file.GetLocation());
+}
+
+static const char* class_initializer_black_list[] = {
+ "Landroid/app/ActivityThread;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl.
+ "Landroid/bluetooth/BluetoothAudioGateway;", // Calls android.bluetooth.BluetoothAudioGateway.classInitNative().
+ "Landroid/bluetooth/HeadsetBase;", // Calls android.bluetooth.HeadsetBase.classInitNative().
+ "Landroid/content/res/CompatibilityInfo;", // Requires android.util.DisplayMetrics -..-> android.os.SystemProperties.native_get_int.
+ "Landroid/content/res/CompatibilityInfo$1;", // Requires android.util.DisplayMetrics -..-> android.os.SystemProperties.native_get_int.
+ "Landroid/content/UriMatcher;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl.
+ "Landroid/database/CursorWindow;", // Requires android.util.DisplayMetrics -..-> android.os.SystemProperties.native_get_int.
+ "Landroid/database/sqlite/SQLiteConnection;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl.
+ "Landroid/database/sqlite/SQLiteConnection$Operation;", // Requires SimpleDateFormat -> java.util.Locale.
+ "Landroid/database/sqlite/SQLiteDatabaseConfiguration;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl.
+ "Landroid/database/sqlite/SQLiteDebug;", // Calls android.util.Log.isLoggable.
+ "Landroid/database/sqlite/SQLiteOpenHelper;", // Calls Class.getSimpleName -> Class.isAnonymousClass -> Class.getDex.
+ "Landroid/database/sqlite/SQLiteQueryBuilder;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl.
+ "Landroid/drm/DrmManagerClient;", // Calls System.loadLibrary.
+ "Landroid/graphics/drawable/AnimatedRotateDrawable;", // Sub-class of Drawable.
+ "Landroid/graphics/drawable/AnimationDrawable;", // Sub-class of Drawable.
+ "Landroid/graphics/drawable/BitmapDrawable;", // Sub-class of Drawable.
+ "Landroid/graphics/drawable/ClipDrawable;", // Sub-class of Drawable.
+ "Landroid/graphics/drawable/ColorDrawable;", // Sub-class of Drawable.
+ "Landroid/graphics/drawable/Drawable;", // Requires android.graphics.Rect.
+ "Landroid/graphics/drawable/DrawableContainer;", // Sub-class of Drawable.
+ "Landroid/graphics/drawable/GradientDrawable;", // Sub-class of Drawable.
+ "Landroid/graphics/drawable/LayerDrawable;", // Sub-class of Drawable.
+ "Landroid/graphics/drawable/NinePatchDrawable;", // Sub-class of Drawable.
+ "Landroid/graphics/drawable/RotateDrawable;", // Sub-class of Drawable.
+ "Landroid/graphics/drawable/ScaleDrawable;", // Sub-class of Drawable.
+ "Landroid/graphics/drawable/ShapeDrawable;", // Sub-class of Drawable.
+ "Landroid/graphics/drawable/StateListDrawable;", // Sub-class of Drawable.
+ "Landroid/graphics/drawable/TransitionDrawable;", // Sub-class of Drawable.
+ "Landroid/graphics/Matrix;", // Calls android.graphics.Matrix.native_create.
+ "Landroid/graphics/Matrix$1;", // Requires Matrix.
+ "Landroid/graphics/PixelFormat;", // Calls android.graphics.PixelFormat.nativeClassInit().
+ "Landroid/graphics/Rect;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl.
+ "Landroid/graphics/SurfaceTexture;", // Calls android.graphics.SurfaceTexture.nativeClassInit().
+ "Landroid/graphics/Typeface;", // Calls android.graphics.Typeface.nativeCreate.
+ "Landroid/inputmethodservice/ExtractEditText;", // Requires android.widget.TextView.
+ "Landroid/media/AmrInputStream;", // Calls OsConstants.initConstants.
+ "Landroid/media/CamcorderProfile;", // Calls OsConstants.initConstants.
+ "Landroid/media/CameraProfile;", // Calls System.loadLibrary.
+ "Landroid/media/DecoderCapabilities;", // Calls System.loadLibrary.
+ "Landroid/media/EncoderCapabilities;", // Calls OsConstants.initConstants.
+ "Landroid/media/ExifInterface;", // Calls OsConstants.initConstants.
+ "Landroid/media/MediaCodec;", // Calls OsConstants.initConstants.
+ "Landroid/media/MediaCodecList;", // Calls OsConstants.initConstants.
+ "Landroid/media/MediaCrypto;", // Calls OsConstants.initConstants.
+ "Landroid/media/MediaDrm;", // Calls OsConstants.initConstants.
+ "Landroid/media/MediaExtractor;", // Calls OsConstants.initConstants.
+ "Landroid/media/MediaFile;", // Requires DecoderCapabilities.
+ "Landroid/media/MediaMetadataRetriever;", // Calls OsConstants.initConstants.
+ "Landroid/media/MediaMuxer;", // Calls OsConstants.initConstants.
+ "Landroid/media/MediaPlayer;", // Calls System.loadLibrary.
+ "Landroid/media/MediaRecorder;", // Calls System.loadLibrary.
+ "Landroid/media/MediaScanner;", // Calls System.loadLibrary.
+ "Landroid/media/ResampleInputStream;", // Calls OsConstants.initConstants.
+ "Landroid/media/SoundPool;", // Calls OsConstants.initConstants.
+ "Landroid/media/videoeditor/MediaArtistNativeHelper;", // Calls OsConstants.initConstants.
+ "Landroid/media/videoeditor/VideoEditorProfile;", // Calls OsConstants.initConstants.
+ "Landroid/mtp/MtpDatabase;", // Calls OsConstants.initConstants.
+ "Landroid/mtp/MtpDevice;", // Calls OsConstants.initConstants.
+ "Landroid/mtp/MtpServer;", // Calls OsConstants.initConstants.
+ "Landroid/net/NetworkInfo;", // Calls java.util.EnumMap.<init> -> java.lang.Enum.getSharedConstants -> System.identityHashCode.
+ "Landroid/net/Proxy;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl.
+ "Landroid/net/SSLCertificateSocketFactory;", // Requires javax.net.ssl.HttpsURLConnection.
+ "Landroid/net/Uri;", // Calls Class.getSimpleName -> Class.isAnonymousClass -> Class.getDex.
+ "Landroid/net/Uri$AbstractHierarchicalUri;", // Requires Uri.
+ "Landroid/net/Uri$HierarchicalUri;", // Requires Uri.
+ "Landroid/net/Uri$OpaqueUri;", // Requires Uri.
+ "Landroid/net/Uri$StringUri;", // Requires Uri.
+ "Landroid/net/WebAddress;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl.
+ "Landroid/nfc/NdefRecord;", // Calls String.getBytes -> java.nio.charset.Charset.
+ "Landroid/opengl/EGL14;", // Calls android.opengl.EGL14._nativeClassInit.
+ "Landroid/opengl/GLES10;", // Calls android.opengl.GLES10._nativeClassInit.
+ "Landroid/opengl/GLES10Ext;", // Calls android.opengl.GLES10Ext._nativeClassInit.
+ "Landroid/opengl/GLES11;", // Requires GLES10.
+ "Landroid/opengl/GLES11Ext;", // Calls android.opengl.GLES11Ext._nativeClassInit.
+ "Landroid/opengl/GLES20;", // Calls android.opengl.GLES20._nativeClassInit.
+ "Landroid/opengl/GLUtils;", // Calls android.opengl.GLUtils.nativeClassInit.
+ "Landroid/os/Build;", // Calls -..-> android.os.SystemProperties.native_get.
+ "Landroid/os/Build$VERSION;", // Requires Build.
+ "Landroid/os/Debug;", // Requires android.os.Environment.
+ "Landroid/os/Environment;", // Calls System.getenv.
+ "Landroid/os/FileUtils;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl.
+ "Landroid/os/StrictMode;", // Calls android.util.Log.isLoggable.
+ "Landroid/os/StrictMode$VmPolicy;", // Requires StrictMode.
+ "Landroid/os/Trace;", // Calls android.os.Trace.nativeGetEnabledTags.
+ "Landroid/os/UEventObserver;", // Calls Class.getSimpleName -> Class.isAnonymousClass -> Class.getDex.
+ "Landroid/provider/ContactsContract;", // Calls OsConstants.initConstants.
+ "Landroid/provider/Settings$Global;", // Calls OsConstants.initConstants.
+ "Landroid/provider/Settings$Secure;", // Requires android.net.Uri.
+ "Landroid/provider/Settings$System;", // Requires android.net.Uri.
+ "Landroid/renderscript/RenderScript;", // Calls System.loadLibrary.
+ "Landroid/server/BluetoothService;", // Calls android.server.BluetoothService.classInitNative.
+ "Landroid/server/BluetoothEventLoop;", // Calls android.server.BluetoothEventLoop.classInitNative.
+ "Landroid/telephony/PhoneNumberUtils;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl.
+ "Landroid/telephony/TelephonyManager;", // Calls OsConstants.initConstants.
+ "Landroid/text/AutoText;", // Requires android.util.DisplayMetrics -..-> android.os.SystemProperties.native_get_int.
+ "Landroid/text/Layout;", // Calls com.android.internal.util.ArrayUtils.emptyArray -> System.identityHashCode.
+ "Landroid/text/BoringLayout;", // Requires Layout.
+ "Landroid/text/DynamicLayout;", // Requires Layout.
+ "Landroid/text/Html$HtmlParser;", // Calls -..-> String.toLowerCase -> java.util.Locale.
+ "Landroid/text/StaticLayout;", // Requires Layout.
+ "Landroid/text/TextUtils;", // Requires android.util.DisplayMetrics.
+ "Landroid/util/DisplayMetrics;", // Calls SystemProperties.native_get_int.
+ "Landroid/util/Patterns;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl.
+ "Landroid/view/Choreographer;", // Calls SystemProperties.native_get_boolean.
+ "Landroid/util/Patterns;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl.
+ "Landroid/view/GLES20Canvas;", // Calls GLES20Canvas.nIsAvailable().
+ "Landroid/view/GLES20RecordingCanvas;", // Requires android.view.GLES20Canvas.
+ "Landroid/view/GestureDetector;", // Calls android.view.GLES20Canvas.nIsAvailable.
+ "Landroid/view/HardwareRenderer$Gl20Renderer;", // Requires SystemProperties.native_get.
+ "Landroid/view/HardwareRenderer$GlRenderer;", // Requires SystemProperties.native_get.
+ "Landroid/view/InputEventConsistencyVerifier;", // Requires android.os.Build.
+ "Landroid/view/Surface;", // Requires SystemProperties.native_get.
+ "Landroid/view/SurfaceControl;", // Calls OsConstants.initConstants.
+ "Landroid/view/animation/AlphaAnimation;", // Requires Animation.
+ "Landroid/view/animation/Animation;", // Calls SystemProperties.native_get_boolean.
+ "Landroid/view/animation/AnimationSet;", // Calls OsConstants.initConstants.
+ "Landroid/view/textservice/SpellCheckerSubtype;", // Calls Class.getDex().
+ "Landroid/webkit/JniUtil;", // Calls System.loadLibrary.
+ "Landroid/webkit/PluginManager;", // // Calls OsConstants.initConstants.
+ "Landroid/webkit/WebViewCore;", // Calls System.loadLibrary.
+ "Landroid/webkit/WebViewFactory$Preloader;", // Calls to Class.forName.
+ "Landroid/webkit/WebViewInputDispatcher;", // Calls Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl.
+ "Landroid/webkit/URLUtil;", // Calls Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl.
+ "Landroid/widget/AutoCompleteTextView;", // Requires TextView.
+ "Landroid/widget/Button;", // Requires TextView.
+ "Landroid/widget/CheckBox;", // Requires TextView.
+ "Landroid/widget/CheckedTextView;", // Requires TextView.
+ "Landroid/widget/CompoundButton;", // Requires TextView.
+ "Landroid/widget/EditText;", // Requires TextView.
+ "Landroid/widget/NumberPicker;", // Requires java.util.Locale.
+ "Landroid/widget/ScrollBarDrawable;", // Sub-class of Drawable.
+ "Landroid/widget/SearchView$SearchAutoComplete;", // Requires TextView.
+ "Landroid/widget/Switch;", // Requires TextView.
+ "Landroid/widget/TextView;", // Calls Paint.<init> -> Paint.native_init.
+ "Lcom/android/i18n/phonenumbers/AsYouTypeFormatter;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl.
+ "Lcom/android/i18n/phonenumbers/MetadataManager;", // Calls OsConstants.initConstants.
+ "Lcom/android/i18n/phonenumbers/PhoneNumberMatcher;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl.
+ "Lcom/android/i18n/phonenumbers/PhoneNumberUtil;", // Requires java.util.logging.LogManager.
+ "Lcom/android/i18n/phonenumbers/geocoding/AreaCodeMap;", // Calls OsConstants.initConstants.
+ "Lcom/android/i18n/phonenumbers/geocoding/PhoneNumberOfflineGeocoder;", // Calls OsConstants.initConstants.
+ "Lcom/android/internal/os/SamplingProfilerIntegration;", // Calls SystemProperties.native_get_int.
+ "Lcom/android/internal/policy/impl/PhoneWindow;", // Calls android.os.Binder.init.
+ "Lcom/android/internal/view/menu/ActionMenuItemView;", // Requires TextView.
+ "Lcom/android/internal/widget/DialogTitle;", // Requires TextView.
+ "Lcom/android/org/bouncycastle/asn1/StreamUtil;", // Calls Runtime.getRuntime().maxMemory().
+ "Lcom/android/org/bouncycastle/asn1/pkcs/MacData;", // Calls native ... -> java.math.NativeBN.BN_new().
+ "Lcom/android/org/bouncycastle/asn1/pkcs/RSASSAPSSparams;", // Calls native ... -> java.math.NativeBN.BN_new().
+ "Lcom/android/org/bouncycastle/asn1/cms/SignedData;", // Calls native ... -> java.math.NativeBN.BN_new().
+ "Lcom/android/org/bouncycastle/asn1/x509/GeneralSubtree;", // Calls native ... -> java.math.NativeBN.BN_new().
+ "Lcom/android/org/bouncycastle/asn1/x9/X9ECParameters;", // Calls native ... -> java.math.NativeBN.BN_new().
+ "Lcom/android/org/bouncycastle/crypto/digests/OpenSSLDigest$MD5;", // Requires com.android.org.conscrypt.NativeCrypto.
+ "Lcom/android/org/bouncycastle/crypto/digests/OpenSSLDigest$SHA1;", // Requires com.android.org.conscrypt.NativeCrypto.
+ "Lcom/android/org/bouncycastle/crypto/digests/OpenSSLDigest$SHA256;", // Requires com.android.org.conscrypt.NativeCrypto.
+ "Lcom/android/org/bouncycastle/crypto/digests/OpenSSLDigest$SHA384;", // Requires com.android.org.conscrypt.NativeCrypto.
+ "Lcom/android/org/bouncycastle/crypto/digests/OpenSSLDigest$SHA512;", // Requires com.android.org.conscrypt.NativeCrypto.
+ "Lcom/android/org/bouncycastle/crypto/engines/RSABlindedEngine;", // Calls native ... -> java.math.NativeBN.BN_new().
+ "Lcom/android/org/bouncycastle/crypto/generators/DHKeyGeneratorHelper;", // Calls native ... -> java.math.NativeBN.BN_new().
+ "Lcom/android/org/bouncycastle/crypto/generators/DHParametersGenerator;", // Calls native ... -> java.math.NativeBN.BN_new().
+ "Lcom/android/org/bouncycastle/crypto/generators/DHParametersHelper;", // Calls System.getenv -> OsConstants.initConstants.
+ "Lcom/android/org/bouncycastle/crypto/generators/DSAKeyPairGenerator;", // Calls native ... -> java.math.NativeBN.BN_new().
+ "Lcom/android/org/bouncycastle/crypto/generators/DSAParametersGenerator;", // Calls native ... -> java.math.NativeBN.BN_new().
+ "Lcom/android/org/bouncycastle/crypto/generators/RSAKeyPairGenerator;", // Calls native ... -> java.math.NativeBN.BN_new().
+ "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/dh/KeyPairGeneratorSpi;", // Calls OsConstants.initConstants.
+ "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/dsa/KeyPairGeneratorSpi;", // Calls OsConstants.initConstants.
+ "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/ec/KeyPairGeneratorSpi$EC;", // Calls OsConstants.initConstants.
+ "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/ec/KeyPairGeneratorSpi$ECDH;", // Calls OsConstants.initConstants.
+ "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/ec/KeyPairGeneratorSpi$ECDHC;", // Calls OsConstants.initConstants.
+ "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/ec/KeyPairGeneratorSpi$ECDSA;", // Calls OsConstants.initConstants.
+ "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/ec/KeyPairGeneratorSpi$ECMQV;", // Calls OsConstants.initConstants.
+ "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/ec/KeyPairGeneratorSpi;", // Calls OsConstants.initConstants.
+ "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/rsa/BCRSAPrivateCrtKey;", // Calls native ... -> java.math.NativeBN.BN_new().
+ "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/rsa/BCRSAPrivateKey;", // Calls native ... -> java.math.NativeBN.BN_new().
+ "Lcom/android/org/bouncycastle/jcajce/provider/asymmetric/rsa/KeyPairGeneratorSpi;", // Calls OsConstants.initConstants.
+ "Lcom/android/org/bouncycastle/jcajce/provider/keystore/pkcs12/PKCS12KeyStoreSpi$BCPKCS12KeyStore;", // Calls Thread.currentThread.
+ "Lcom/android/org/bouncycastle/jcajce/provider/keystore/pkcs12/PKCS12KeyStoreSpi;", // Calls Thread.currentThread.
+ "Lcom/android/org/bouncycastle/jce/PKCS10CertificationRequest;", // Calls native ... -> java.math.NativeBN.BN_new().
+ "Lcom/android/org/bouncycastle/jce/provider/CertBlacklist;", // Calls System.getenv -> OsConstants.initConstants.
+ "Lcom/android/org/bouncycastle/jce/provider/JCERSAPrivateCrtKey;", // Calls native ... -> java.math.NativeBN.BN_new().
+ "Lcom/android/org/bouncycastle/jce/provider/JCERSAPrivateKey;", // Calls native ... -> java.math.NativeBN.BN_new().
+ "Lcom/android/org/bouncycastle/jce/provider/PKIXCertPathValidatorSpi;", // Calls System.getenv -> OsConstants.initConstants.
+ "Lcom/android/org/bouncycastle/math/ec/ECConstants;", // Calls native ... -> java.math.NativeBN.BN_new().
+ "Lcom/android/org/bouncycastle/math/ec/Tnaf;", // Calls native ... -> java.math.NativeBN.BN_new().
+ "Lcom/android/org/bouncycastle/util/BigIntegers;", // Calls native ... -> java.math.NativeBN.BN_new().
+ "Lcom/android/org/bouncycastle/x509/X509Util;", // Calls native ... -> java.math.NativeBN.BN_new().
+ "Lcom/android/org/conscrypt/CipherSuite;", // Calls OsConstants.initConstants.
+ "Lcom/android/org/conscrypt/FileClientSessionCache$CacheFile;", // Calls OsConstants.initConstants.
+ "Lcom/android/org/conscrypt/HandshakeIODataStream;", // Calls OsConstants.initConstants.
+ "Lcom/android/org/conscrypt/Logger;", // Calls OsConstants.initConstants.
+ "Lcom/android/org/conscrypt/NativeCrypto;", // Calls native NativeCrypto.clinit().
+ "Lcom/android/org/conscrypt/OpenSSLECKeyPairGenerator;", // Calls OsConstants.initConstants.
+ "Lcom/android/org/conscrypt/OpenSSLEngine;", // Requires com.android.org.conscrypt.NativeCrypto.
+ "Lcom/android/org/conscrypt/OpenSSLMac$HmacMD5;", // Calls native NativeCrypto.clinit().
+ "Lcom/android/org/conscrypt/OpenSSLMac$HmacSHA1;", // Calls native NativeCrypto.clinit().
+ "Lcom/android/org/conscrypt/OpenSSLMac$HmacSHA256;", // Calls native NativeCrypto.clinit().
+ "Lcom/android/org/conscrypt/OpenSSLMac$HmacSHA384;", // Calls native NativeCrypto.clinit().
+ "Lcom/android/org/conscrypt/OpenSSLMac$HmacSHA512;", // Calls native NativeCrypto.clinit().
+ "Lcom/android/org/conscrypt/OpenSSLMessageDigestJDK$MD5;", // Requires com.android.org.conscrypt.NativeCrypto.
+ "Lcom/android/org/conscrypt/OpenSSLMessageDigestJDK$SHA1;", // Requires com.android.org.conscrypt.NativeCrypto.
+ "Lcom/android/org/conscrypt/OpenSSLMessageDigestJDK$SHA256;", // Requires com.android.org.conscrypt.NativeCrypto.
+ "Lcom/android/org/conscrypt/OpenSSLMessageDigestJDK$SHA384;", // Requires com.android.org.conscrypt.NativeCrypto.
+ "Lcom/android/org/conscrypt/OpenSSLMessageDigestJDK$SHA512;", // Requires com.android.org.conscrypt.NativeCrypto.
+ "Lcom/android/org/conscrypt/OpenSSLX509CertPath;", // Calls OsConstants.initConstants.
+ "Lcom/android/org/conscrypt/OpenSSLX509CertificateFactory;", // Calls OsConstants.initConstants.
+ "Lcom/android/org/conscrypt/PRF;", // Calls OsConstants.initConstants.
+ "Lcom/android/org/conscrypt/SSLSessionImpl;", // Calls OsConstants.initConstants.
+ "Lcom/android/org/conscrypt/TrustedCertificateStore;", // Calls System.getenv -> OsConstants.initConstants.
+ "Lcom/android/okhttp/ConnectionPool;", // Calls OsConstants.initConstants.
+ "Lcom/android/okhttp/OkHttpClient;", // Calls OsConstants.initConstants.
+ "Lcom/android/okhttp/internal/DiskLruCache;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl.
+ "Lcom/android/okhttp/internal/Util;", // Calls OsConstants.initConstants.
+ "Lcom/android/okhttp/internal/http/HttpsURLConnectionImpl;", // Calls VMClassLoader.getBootClassPathSize.
+ "Lcom/android/okhttp/internal/spdy/SpdyConnection;", // Calls OsConstants.initConstants.
+ "Lcom/android/okhttp/internal/spdy/SpdyReader;", // Calls OsConstants.initConstants.
+ "Lcom/android/okhttp/internal/tls/OkHostnameVerifier;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl.
+ "Lcom/google/android/gles_jni/EGLContextImpl;", // Calls com.google.android.gles_jni.EGLImpl._nativeClassInit.
+ "Lcom/google/android/gles_jni/EGLImpl;", // Calls com.google.android.gles_jni.EGLImpl._nativeClassInit.
+ "Lcom/google/android/gles_jni/GLImpl;", // Calls com.google.android.gles_jni.GLImpl._nativeClassInit.
+ "Lgov/nist/core/GenericObject;", // Calls OsConstants.initConstants.
+ "Lgov/nist/core/Host;", // Calls OsConstants.initConstants.
+ "Lgov/nist/core/HostPort;", // Calls OsConstants.initConstants.
+ "Lgov/nist/core/NameValue;", // Calls OsConstants.initConstants.
+ "Lgov/nist/core/net/DefaultNetworkLayer;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/Utils;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/address/AddressImpl;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/address/Authority;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/address/GenericURI;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/address/NetObject;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/address/SipUri;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/address/TelephoneNumber;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/address/UserInfo;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/Accept;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/AcceptEncoding;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/AcceptLanguage;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/AddressParametersHeader;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/AlertInfoList;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/AllowEvents;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/AllowEventsList;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/AuthenticationInfo;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/Authorization;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/CSeq;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/CallIdentifier;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/Challenge;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/ContactList;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/ContentEncoding;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/ContentEncodingList;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/ContentLanguageList;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/ContentType;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/Credentials;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/ErrorInfoList;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/Expires;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/From;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/MimeVersion;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/NameMap;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/Priority;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/Protocol;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/ProxyAuthenticate;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/ProxyAuthenticateList;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/ProxyAuthorizationList;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/ProxyRequire;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/ProxyRequireList;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/RSeq;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/RecordRoute;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/ReferTo;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/RequestLine;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/Require;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/RetryAfter;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/SIPETag;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/SIPHeader;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/SIPHeaderNamesCache;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/StatusLine;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/SubscriptionState;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/TimeStamp;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/UserAgent;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/Unsupported;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/Warning;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/ViaList;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/extensions/Join;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/extensions/References;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/extensions/Replaces;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/ims/PAccessNetworkInfo;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/ims/PAssertedIdentity;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/ims/PAssertedIdentityList;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/ims/PAssociatedURI;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/ims/PCalledPartyID;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/ims/PChargingVector;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/ims/PPreferredIdentity;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/ims/PVisitedNetworkIDList;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/ims/PathList;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/ims/SecurityAgree;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/ims/SecurityClient;", // Calls OsConstants.initConstants.
+ "Lgov/nist/javax/sip/header/ims/ServiceRoute;", // Calls OsConstants.initConstants.
+ "Ljava/io/Console;", // Has FileDescriptor(s).
+ "Ljava/io/File;", // Calls to Random.<init> -> System.currentTimeMillis -> OsConstants.initConstants.
+ "Ljava/io/FileDescriptor;", // Requires libcore.io.OsConstants.
+ "Ljava/io/ObjectInputStream;", // Requires java.lang.ClassLoader$SystemClassLoader.
+ "Ljava/io/ObjectStreamClass;", // Calls to Class.forName -> java.io.FileDescriptor.
+ "Ljava/io/ObjectStreamConstants;", // Instance of non-image class SerializablePermission.
+ "Ljava/lang/ClassLoader$SystemClassLoader;", // Calls System.getProperty -> OsConstants.initConstants.
+ "Ljava/lang/HexStringParser;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl.
+ "Ljava/lang/ProcessManager;", // Calls Thread.currentThread.
+ "Ljava/lang/Runtime;", // Calls System.getProperty -> OsConstants.initConstants.
+ "Ljava/lang/System;", // Calls OsConstants.initConstants.
+ "Ljava/math/BigDecimal;", // Calls native ... -> java.math.NativeBN.BN_new().
+ "Ljava/math/BigInteger;", // Calls native ... -> java.math.NativeBN.BN_new().
+ "Ljava/math/Primality;", // Calls native ... -> java.math.NativeBN.BN_new().
+ "Ljava/math/Multiplication;", // Calls native ... -> java.math.NativeBN.BN_new().
+ "Ljava/net/InetAddress;", // Requires libcore.io.OsConstants.
+ "Ljava/net/Inet4Address;", // Sub-class of InetAddress.
+ "Ljava/net/Inet6Address;", // Sub-class of InetAddress.
+ "Ljava/net/InetUnixAddress;", // Sub-class of InetAddress.
+ "Ljava/nio/charset/Charset;", // Calls Charset.getDefaultCharset -> System.getProperty -> OsConstants.initConstants.
+ "Ljava/nio/charset/CharsetICU;", // Sub-class of Charset.
+ "Ljava/nio/charset/Charsets;", // Calls Charset.forName.
+ "Ljava/nio/charset/StandardCharsets;", // Calls OsConstants.initConstants.
+ "Ljava/security/AlgorithmParameterGenerator;", // Calls OsConstants.initConstants.
+ "Ljava/security/KeyPairGenerator$KeyPairGeneratorImpl;", // Calls OsConstants.initConstants.
+ "Ljava/security/KeyPairGenerator;", // Calls OsConstants.initConstants.
+ "Ljava/security/Security;", // Tries to do disk IO for "security.properties".
+ "Ljava/security/spec/RSAKeyGenParameterSpec;", // java.math.NativeBN.BN_new()
+ "Ljava/sql/Date;", // Calls OsConstants.initConstants.
+ "Ljava/sql/DriverManager;", // Calls OsConstants.initConstants.
+ "Ljava/sql/Time;", // Calls OsConstants.initConstants.
+ "Ljava/sql/Timestamp;", // Calls OsConstants.initConstants.
+ "Ljava/util/Date;", // Calls Date.<init> -> System.currentTimeMillis -> OsConstants.initConstants.
+ "Ljava/util/ListResourceBundle;", // Calls OsConstants.initConstants.
+ "Ljava/util/Locale;", // Calls System.getProperty -> OsConstants.initConstants.
+ "Ljava/util/PropertyResourceBundle;", // Calls OsConstants.initConstants.
+ "Ljava/util/ResourceBundle;", // Calls OsConstants.initConstants.
+ "Ljava/util/ResourceBundle$MissingBundle;", // Calls OsConstants.initConstants.
+ "Ljava/util/Scanner;", // regex.Pattern.compileImpl.
+ "Ljava/util/SimpleTimeZone;", // Sub-class of TimeZone.
+ "Ljava/util/TimeZone;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl.
+ "Ljava/util/concurrent/ConcurrentHashMap$Segment;", // Calls Runtime.getRuntime().availableProcessors().
+ "Ljava/util/concurrent/ConcurrentSkipListMap;", // Calls OsConstants.initConstants.
+ "Ljava/util/concurrent/Exchanger;", // Calls OsConstants.initConstants.
+ "Ljava/util/concurrent/ForkJoinPool;", // Calls OsConstants.initConstants.
+ "Ljava/util/concurrent/LinkedTransferQueue;", // Calls OsConstants.initConstants.
+ "Ljava/util/concurrent/Phaser;", // Calls OsConstants.initConstants.
+ "Ljava/util/concurrent/ScheduledThreadPoolExecutor;", // Calls AtomicLong.VMSupportsCS8()
+ "Ljava/util/concurrent/SynchronousQueue;", // Calls OsConstants.initConstants.
+ "Ljava/util/concurrent/atomic/AtomicLong;", // Calls AtomicLong.VMSupportsCS8()
+ "Ljava/util/logging/LogManager;", // Calls System.getProperty -> OsConstants.initConstants.
+ "Ljava/util/prefs/AbstractPreferences;", // Calls OsConstants.initConstants.
+ "Ljava/util/prefs/FilePreferencesImpl;", // Calls OsConstants.initConstants.
+ "Ljava/util/prefs/FilePreferencesFactoryImpl;", // Calls OsConstants.initConstants.
+ "Ljava/util/prefs/Preferences;", // Calls OsConstants.initConstants.
+ "Ljavax/crypto/KeyAgreement;", // Calls OsConstants.initConstants.
+ "Ljavax/crypto/KeyGenerator;", // Calls OsConstants.initConstants.
+ "Ljavax/security/cert/X509Certificate;", // Calls VMClassLoader.getBootClassPathSize.
+ "Ljavax/security/cert/X509Certificate$1;", // Calls VMClassLoader.getBootClassPathSize.
+ "Ljavax/microedition/khronos/egl/EGL10;", // Requires EGLContext.
+ "Ljavax/microedition/khronos/egl/EGLContext;", // Requires com.google.android.gles_jni.EGLImpl.
+ "Ljavax/net/ssl/HttpsURLConnection;", // Calls SSLSocketFactory.getDefault -> java.security.Security.getProperty.
+ "Ljavax/xml/datatype/DatatypeConstants;", // Calls OsConstants.initConstants.
+ "Ljavax/xml/datatype/FactoryFinder;", // Calls OsConstants.initConstants.
+ "Ljavax/xml/namespace/QName;", // Calls OsConstants.initConstants.
+ "Ljavax/xml/validation/SchemaFactoryFinder;", // Calls OsConstants.initConstants.
+ "Ljavax/xml/xpath/XPathConstants;", // Calls OsConstants.initConstants.
+ "Ljavax/xml/xpath/XPathFactoryFinder;", // Calls OsConstants.initConstants.
+ "Llibcore/icu/LocaleData;", // Requires java.util.Locale.
+ "Llibcore/icu/TimeZoneNames;", // Requires java.util.TimeZone.
+ "Llibcore/io/IoUtils;", // Calls Random.<init> -> System.currentTimeMillis -> FileDescriptor -> OsConstants.initConstants.
+ "Llibcore/io/OsConstants;", // Platform specific.
+ "Llibcore/net/MimeUtils;", // Calls libcore.net.MimeUtils.getContentTypesPropertiesStream -> System.getProperty.
+ "Llibcore/reflect/Types;", // Calls OsConstants.initConstants.
+ "Llibcore/util/ZoneInfo;", // Sub-class of TimeZone.
+ "Llibcore/util/ZoneInfoDB;", // Calls System.getenv -> OsConstants.initConstants.
+ "Lorg/apache/commons/logging/LogFactory;", // Calls System.getProperty.
+ "Lorg/apache/commons/logging/impl/LogFactoryImpl;", // Calls OsConstants.initConstants.
+ "Lorg/apache/harmony/security/fortress/Services;", // Calls ClassLoader.getSystemClassLoader -> System.getProperty.
+ "Lorg/apache/harmony/security/provider/cert/X509CertFactoryImpl;", // Requires java.nio.charsets.Charsets.
+ "Lorg/apache/harmony/security/provider/crypto/RandomBitsSupplier;", // Requires java.io.File.
+ "Lorg/apache/harmony/security/utils/AlgNameMapper;", // Requires java.util.Locale.
+ "Lorg/apache/harmony/security/pkcs10/CertificationRequest;", // Calls Thread.currentThread.
+ "Lorg/apache/harmony/security/pkcs10/CertificationRequestInfo;", // Calls Thread.currentThread.
+ "Lorg/apache/harmony/security/pkcs7/AuthenticatedAttributes;", // Calls Thread.currentThread.
+ "Lorg/apache/harmony/security/pkcs7/SignedData;", // Calls Thread.currentThread.
+ "Lorg/apache/harmony/security/pkcs7/SignerInfo;", // Calls Thread.currentThread.
+ "Lorg/apache/harmony/security/pkcs8/PrivateKeyInfo;", // Calls Thread.currentThread.
+ "Lorg/apache/harmony/security/provider/crypto/SHA1PRNG_SecureRandomImpl;", // Calls OsConstants.initConstants.
+ "Lorg/apache/harmony/security/x501/AttributeTypeAndValue;", // Calls IntegralToString.convertInt -> Thread.currentThread.
+ "Lorg/apache/harmony/security/x501/DirectoryString;", // Requires BigInteger.
+ "Lorg/apache/harmony/security/x501/Name;", // Requires org.apache.harmony.security.x501.AttributeTypeAndValue.
+ "Lorg/apache/harmony/security/x509/AccessDescription;", // Calls Thread.currentThread.
+ "Lorg/apache/harmony/security/x509/AuthorityKeyIdentifier;", // Calls Thread.currentThread.
+ "Lorg/apache/harmony/security/x509/CRLDistributionPoints;", // Calls Thread.currentThread.
+ "Lorg/apache/harmony/security/x509/Certificate;", // Requires org.apache.harmony.security.x509.TBSCertificate.
+ "Lorg/apache/harmony/security/x509/CertificateIssuer;", // Calls Thread.currentThread.
+ "Lorg/apache/harmony/security/x509/CertificateList;", // Calls Thread.currentThread.
+ "Lorg/apache/harmony/security/x509/DistributionPoint;", // Calls Thread.currentThread.
+ "Lorg/apache/harmony/security/x509/DistributionPointName;", // Calls Thread.currentThread.
+ "Lorg/apache/harmony/security/x509/EDIPartyName;", // Calls native ... -> java.math.NativeBN.BN_new().
+ "Lorg/apache/harmony/security/x509/GeneralName;", // Requires org.apache.harmony.security.x501.Name.
+ "Lorg/apache/harmony/security/x509/GeneralNames;", // Requires GeneralName.
+ "Lorg/apache/harmony/security/x509/GeneralSubtree;", // Calls Thread.currentThread.
+ "Lorg/apache/harmony/security/x509/GeneralSubtrees;", // Calls Thread.currentThread.
+ "Lorg/apache/harmony/security/x509/InfoAccessSyntax;", // Calls Thread.currentThread.
+ "Lorg/apache/harmony/security/x509/IssuingDistributionPoint;", // Calls Thread.currentThread.
+ "Lorg/apache/harmony/security/x509/NameConstraints;", // Calls Thread.currentThread.
+ "Lorg/apache/harmony/security/x509/TBSCertList$RevokedCertificate;", // Calls NativeBN.BN_new().
+ "Lorg/apache/harmony/security/x509/TBSCertList;", // Calls Thread.currentThread.
+ "Lorg/apache/harmony/security/x509/TBSCertificate;", // Requires org.apache.harmony.security.x501.Name.
+ "Lorg/apache/harmony/security/x509/Time;", // Calls native ... -> java.math.NativeBN.BN_new().
+ "Lorg/apache/harmony/security/x509/Validity;", // Requires x509.Time.
+ "Lorg/apache/harmony/security/x509/tsp/TSTInfo;", // Calls Thread.currentThread.
+ "Lorg/apache/harmony/xml/ExpatParser;", // Calls native ExpatParser.staticInitialize.
+ "Lorg/apache/harmony/xml/ExpatParser$EntityParser;", // Calls ExpatParser.staticInitialize.
+ "Lorg/apache/http/conn/params/ConnRouteParams;", // Requires java.util.Locale.
+ "Lorg/apache/http/conn/ssl/SSLSocketFactory;", // Calls java.security.Security.getProperty.
+ "Lorg/apache/http/conn/util/InetAddressUtils;", // Calls regex.Pattern.compile -..-> regex.Pattern.compileImpl.
+};
+
+static void InitializeClass(const ParallelCompilationManager* manager, size_t class_def_index)
+ LOCKS_EXCLUDED(Locks::mutator_lock_) {
+ const DexFile::ClassDef& class_def = manager->GetDexFile()->GetClassDef(class_def_index);
+ ScopedObjectAccess soa(Thread::Current());
+ mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(manager->GetClassLoader());
+ const char* descriptor = manager->GetDexFile()->GetClassDescriptor(class_def);
+ mirror::Class* klass = manager->GetClassLinker()->FindClass(descriptor, class_loader);
+ bool compiling_boot = Runtime::Current()->GetHeap()->GetContinuousSpaces().size() == 1;
+ bool can_init_static_fields = compiling_boot &&
+ manager->GetCompiler()->IsImageClass(descriptor);
+ if (klass != NULL) {
+ // We don't want class initialization occurring on multiple threads due to deadlock problems.
+ // For example, a parent class is initialized (holding its lock) that refers to a sub-class
+ // in its static/class initializer causing it to try to acquire the sub-class' lock. While
+ // on a second thread the sub-class is initialized (holding its lock) after first initializing
+ // its parents, whose locks are acquired. This leads to a parent-to-child and a child-to-parent
+ // lock ordering and consequent potential deadlock.
+ // We need to use an ObjectLock due to potential suspension in the interpreting code. Rather
+ // than use a special Object for the purpose we use the Class of java.lang.Class.
+ ObjectLock lock1(soa.Self(), klass->GetClass());
+ // The lock required to initialize the class.
+ ObjectLock lock2(soa.Self(), klass);
+ // Only try to initialize classes that were successfully verified.
+ if (klass->IsVerified()) {
+ manager->GetClassLinker()->EnsureInitialized(klass, false, can_init_static_fields);
+ if (soa.Self()->IsExceptionPending()) {
+ soa.Self()->GetException(NULL)->Dump();
+ }
+ if (!klass->IsInitialized()) {
+ if (can_init_static_fields) {
+ bool is_black_listed = false;
+ for (size_t i = 0; i < arraysize(class_initializer_black_list); ++i) {
+ if (StringPiece(descriptor) == class_initializer_black_list[i]) {
+ is_black_listed = true;
+ break;
+ }
+ }
+ if (!is_black_listed) {
+ LOG(INFO) << "Initializing: " << descriptor;
+ if (StringPiece(descriptor) == "Ljava/lang/Void;"){
+ // Hand initialize j.l.Void to avoid Dex file operations in un-started runtime.
+ mirror::ObjectArray<mirror::Field>* fields = klass->GetSFields();
+ CHECK_EQ(fields->GetLength(), 1);
+ fields->Get(0)->SetObj(klass, manager->GetClassLinker()->FindPrimitiveClass('V'));
+ klass->SetStatus(mirror::Class::kStatusInitialized);
+ } else {
+ manager->GetClassLinker()->EnsureInitialized(klass, true, can_init_static_fields);
+ }
+ soa.Self()->AssertNoPendingException();
+ }
+ }
+ }
+ // If successfully initialized place in SSB array.
+ if (klass->IsInitialized()) {
+ klass->GetDexCache()->GetInitializedStaticStorage()->Set(klass->GetDexTypeIndex(), klass);
+ }
+ }
+ // Record the final class status if necessary.
+ mirror::Class::Status status = klass->GetStatus();
+ ClassReference ref(manager->GetDexFile(), class_def_index);
+ CompiledClass* compiled_class = manager->GetCompiler()->GetCompiledClass(ref);
+ if (compiled_class == NULL) {
+ compiled_class = new CompiledClass(status);
+ manager->GetCompiler()->RecordClassStatus(ref, compiled_class);
+ } else {
+ DCHECK_GE(status, compiled_class->GetStatus()) << descriptor;
+ }
+ }
+ // Clear any class not found or verification exceptions.
+ soa.Self()->ClearException();
+}
+
+void CompilerDriver::InitializeClasses(jobject jni_class_loader, const DexFile& dex_file,
+ ThreadPool& thread_pool, TimingLogger& timings) {
+#ifndef NDEBUG
+ for (size_t i = 0; i < arraysize(class_initializer_black_list); ++i) {
+ const char* descriptor = class_initializer_black_list[i];
+ CHECK(IsValidDescriptor(descriptor)) << descriptor;
+ }
+#endif
+ ClassLinker* class_linker = Runtime::Current()->GetClassLinker();
+ ParallelCompilationManager context(class_linker, jni_class_loader, this, &dex_file, thread_pool);
+ context.ForAll(0, dex_file.NumClassDefs(), InitializeClass, thread_count_);
+ timings.AddSplit("InitializeNoClinit " + dex_file.GetLocation());
+}
+
+void CompilerDriver::InitializeClasses(jobject class_loader,
+ const std::vector<const DexFile*>& dex_files,
+ ThreadPool& thread_pool, TimingLogger& timings) {
+ for (size_t i = 0; i != dex_files.size(); ++i) {
+ const DexFile* dex_file = dex_files[i];
+ CHECK(dex_file != NULL);
+ InitializeClasses(class_loader, *dex_file, thread_pool, timings);
+ }
+}
+
+void CompilerDriver::Compile(jobject class_loader, const std::vector<const DexFile*>& dex_files,
+ ThreadPool& thread_pool, TimingLogger& timings) {
+ for (size_t i = 0; i != dex_files.size(); ++i) {
+ const DexFile* dex_file = dex_files[i];
+ CHECK(dex_file != NULL);
+ CompileDexFile(class_loader, *dex_file, thread_pool, timings);
+ }
+}
+
+void CompilerDriver::CompileClass(const ParallelCompilationManager* manager, size_t class_def_index) {
+ jobject jclass_loader = manager->GetClassLoader();
+ const DexFile& dex_file = *manager->GetDexFile();
+ const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index);
+ {
+ ScopedObjectAccess soa(Thread::Current());
+ mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(jclass_loader);
+ if (SkipClass(class_loader, dex_file, class_def)) {
+ return;
+ }
+ }
+ ClassReference ref(&dex_file, class_def_index);
+ // Skip compiling classes with generic verifier failures since they will still fail at runtime
+ if (verifier::MethodVerifier::IsClassRejected(ref)) {
+ return;
+ }
+ const byte* class_data = dex_file.GetClassData(class_def);
+ if (class_data == NULL) {
+ // empty class, probably a marker interface
+ return;
+ }
+ // Can we run DEX-to-DEX compiler on this class ?
+ bool allow_dex_compilation;
+ {
+ ScopedObjectAccess soa(Thread::Current());
+ mirror::ClassLoader* class_loader = soa.Decode<mirror::ClassLoader*>(jclass_loader);
+ allow_dex_compilation = IsDexToDexCompilationAllowed(class_loader, dex_file, class_def);
+ }
+ ClassDataItemIterator it(dex_file, class_data);
+ // Skip fields
+ while (it.HasNextStaticField()) {
+ it.Next();
+ }
+ while (it.HasNextInstanceField()) {
+ it.Next();
+ }
+ // Compile direct methods
+ int64_t previous_direct_method_idx = -1;
+ while (it.HasNextDirectMethod()) {
+ uint32_t method_idx = it.GetMemberIndex();
+ if (method_idx == previous_direct_method_idx) {
+ // smali can create dex files with two encoded_methods sharing the same method_idx
+ // http://code.google.com/p/smali/issues/detail?id=119
+ it.Next();
+ continue;
+ }
+ previous_direct_method_idx = method_idx;
+ manager->GetCompiler()->CompileMethod(it.GetMethodCodeItem(), it.GetMemberAccessFlags(),
+ it.GetMethodInvokeType(class_def), class_def_index,
+ method_idx, jclass_loader, dex_file, allow_dex_compilation);
+ it.Next();
+ }
+ // Compile virtual methods
+ int64_t previous_virtual_method_idx = -1;
+ while (it.HasNextVirtualMethod()) {
+ uint32_t method_idx = it.GetMemberIndex();
+ if (method_idx == previous_virtual_method_idx) {
+ // smali can create dex files with two encoded_methods sharing the same method_idx
+ // http://code.google.com/p/smali/issues/detail?id=119
+ it.Next();
+ continue;
+ }
+ previous_virtual_method_idx = method_idx;
+ manager->GetCompiler()->CompileMethod(it.GetMethodCodeItem(), it.GetMemberAccessFlags(),
+ it.GetMethodInvokeType(class_def), class_def_index,
+ method_idx, jclass_loader, dex_file, allow_dex_compilation);
+ it.Next();
+ }
+ DCHECK(!it.HasNext());
+}
+
+void CompilerDriver::CompileDexFile(jobject class_loader, const DexFile& dex_file,
+ ThreadPool& thread_pool, TimingLogger& timings) {
+ ParallelCompilationManager context(NULL, class_loader, this, &dex_file, thread_pool);
+ context.ForAll(0, dex_file.NumClassDefs(), CompilerDriver::CompileClass, thread_count_);
+ timings.AddSplit("Compile " + dex_file.GetLocation());
+}
+
+void CompilerDriver::CompileMethod(const DexFile::CodeItem* code_item, uint32_t access_flags,
+ InvokeType invoke_type, uint32_t class_def_idx,
+ uint32_t method_idx, jobject class_loader,
+ const DexFile& dex_file,
+ bool allow_dex_to_dex_compilation) {
+ CompiledMethod* compiled_method = NULL;
+ uint64_t start_ns = NanoTime();
+
+ if ((access_flags & kAccNative) != 0) {
+ compiled_method = (*jni_compiler_)(*this, access_flags, method_idx, dex_file);
+ CHECK(compiled_method != NULL);
+ } else if ((access_flags & kAccAbstract) != 0) {
+ } else {
+ // In small mode we only compile image classes.
+ bool dont_compile = (Runtime::Current()->IsSmallMode() &&
+ ((image_classes_.get() == NULL) || (image_classes_->size() == 0)));
+
+ // Don't compile class initializers, ever.
+ if (((access_flags & kAccConstructor) != 0) && ((access_flags & kAccStatic) != 0)) {
+ dont_compile = true;
+ } else if (code_item->insns_size_in_code_units_ < Runtime::Current()->GetSmallModeMethodDexSizeLimit()) {
+ // Do compile small methods.
+ dont_compile = false;
+ }
+ if (!dont_compile) {
+ CompilerFn compiler = compiler_;
+#ifdef ART_SEA_IR_MODE
+ bool use_sea = Runtime::Current()->IsSeaIRMode();
+ use_sea = use_sea && (std::string::npos != PrettyMethod(method_idx, dex_file).find("fibonacci"));
+ if (use_sea) {
+ compiler = sea_ir_compiler_;
+ }
+#endif
+ compiled_method = (*compiler)(*this, code_item, access_flags, invoke_type, class_def_idx,
+ method_idx, class_loader, dex_file);
+ CHECK(compiled_method != NULL) << PrettyMethod(method_idx, dex_file);
+ } else if (allow_dex_to_dex_compilation) {
+ // TODO: add a mode to disable DEX-to-DEX compilation ?
+ compiled_method = (*dex_to_dex_compiler_)(*this, code_item, access_flags,
+ invoke_type, class_def_idx,
+ method_idx, class_loader, dex_file);
+ // No native code is generated.
+ CHECK(compiled_method == NULL) << PrettyMethod(method_idx, dex_file);
+ }
+ }
+ uint64_t duration_ns = NanoTime() - start_ns;
+#ifdef ART_USE_PORTABLE_COMPILER
+ const uint64_t kWarnMilliSeconds = 1000;
+#else
+ const uint64_t kWarnMilliSeconds = 100;
+#endif
+ if (duration_ns > MsToNs(kWarnMilliSeconds)) {
+ LOG(WARNING) << "Compilation of " << PrettyMethod(method_idx, dex_file)
+ << " took " << PrettyDuration(duration_ns);
+ }
+
+ Thread* self = Thread::Current();
+ if (compiled_method != NULL) {
+ MethodReference ref(&dex_file, method_idx);
+ CHECK(GetCompiledMethod(ref) == NULL) << PrettyMethod(method_idx, dex_file);
+ {
+ MutexLock mu(self, compiled_methods_lock_);
+ compiled_methods_.Put(ref, compiled_method);
+ }
+ DCHECK(GetCompiledMethod(ref) != NULL) << PrettyMethod(method_idx, dex_file);
+ }
+
+ if (self->IsExceptionPending()) {
+ ScopedObjectAccess soa(self);
+ LOG(FATAL) << "Unexpected exception compiling: " << PrettyMethod(method_idx, dex_file) << "\n"
+ << self->GetException(NULL)->Dump();
+ }
+}
+
+CompiledClass* CompilerDriver::GetCompiledClass(ClassReference ref) const {
+ MutexLock mu(Thread::Current(), compiled_classes_lock_);
+ ClassTable::const_iterator it = compiled_classes_.find(ref);
+ if (it == compiled_classes_.end()) {
+ return NULL;
+ }
+ CHECK(it->second != NULL);
+ return it->second;
+}
+
+CompiledMethod* CompilerDriver::GetCompiledMethod(MethodReference ref) const {
+ MutexLock mu(Thread::Current(), compiled_methods_lock_);
+ MethodTable::const_iterator it = compiled_methods_.find(ref);
+ if (it == compiled_methods_.end()) {
+ return NULL;
+ }
+ CHECK(it->second != NULL);
+ return it->second;
+}
+
+void CompilerDriver::SetBitcodeFileName(std::string const& filename) {
+ typedef void (*SetBitcodeFileNameFn)(CompilerDriver&, std::string const&);
+
+ SetBitcodeFileNameFn set_bitcode_file_name =
+ reinterpret_cast<SetBitcodeFileNameFn>(compilerLLVMSetBitcodeFileName);
+
+ set_bitcode_file_name(*this, filename);
+}
+
+
+void CompilerDriver::AddRequiresConstructorBarrier(Thread* self, const DexFile* dex_file,
+ size_t class_def_index) {
+ MutexLock mu(self, freezing_constructor_lock_);
+ freezing_constructor_classes_.insert(ClassReference(dex_file, class_def_index));
+}
+
+bool CompilerDriver::RequiresConstructorBarrier(Thread* self, const DexFile* dex_file,
+ size_t class_def_index) {
+ MutexLock mu(self, freezing_constructor_lock_);
+ return freezing_constructor_classes_.count(ClassReference(dex_file, class_def_index)) != 0;
+}
+
+bool CompilerDriver::WriteElf(const std::string& android_root,
+ bool is_host,
+ const std::vector<const art::DexFile*>& dex_files,
+ std::vector<uint8_t>& oat_contents,
+ art::File* file)
+ SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
+#if defined(ART_USE_PORTABLE_COMPILER)
+ return art::ElfWriterMclinker::Create(file, oat_contents, dex_files, android_root, is_host, *this);
+#else
+ return art::ElfWriterQuick::Create(file, oat_contents, dex_files, android_root, is_host, *this);
+#endif
+}
+void CompilerDriver::InstructionSetToLLVMTarget(InstructionSet instruction_set,
+ std::string& target_triple,
+ std::string& target_cpu,
+ std::string& target_attr) {
+ switch (instruction_set) {
+ case kThumb2:
+ target_triple = "thumb-none-linux-gnueabi";
+ target_cpu = "cortex-a9";
+ target_attr = "+thumb2,+neon,+neonfp,+vfp3,+db";
+ break;
+
+ case kArm:
+ target_triple = "armv7-none-linux-gnueabi";
+ // TODO: Fix for Nexus S.
+ target_cpu = "cortex-a9";
+ // TODO: Fix for Xoom.
+ target_attr = "+v7,+neon,+neonfp,+vfp3,+db";
+ break;
+
+ case kX86:
+ target_triple = "i386-pc-linux-gnu";
+ target_attr = "";
+ break;
+
+ case kMips:
+ target_triple = "mipsel-unknown-linux";
+ target_attr = "mips32r2";
+ break;
+
+ default:
+ LOG(FATAL) << "Unknown instruction set: " << instruction_set;
+ }
+ }
+} // namespace art