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-rw-r--r--runtime/runtime.cc79
1 files changed, 45 insertions, 34 deletions
diff --git a/runtime/runtime.cc b/runtime/runtime.cc
index 3bd825b640..8ba098f5d9 100644
--- a/runtime/runtime.cc
+++ b/runtime/runtime.cc
@@ -43,10 +43,14 @@
#include "arch/x86/registers_x86.h"
#include "arch/x86_64/quick_method_frame_info_x86_64.h"
#include "arch/x86_64/registers_x86_64.h"
+#include "asm_support.h"
#include "atomic.h"
+#include "base/dumpable.h"
+#include "base/unix_file/fd_file.h"
#include "class_linker.h"
#include "debugger.h"
#include "elf_file.h"
+#include "entrypoints/runtime_asm_entrypoints.h"
#include "fault_handler.h"
#include "gc/accounting/card_table-inl.h"
#include "gc/heap.h"
@@ -92,10 +96,9 @@
namespace art {
+// If a signal isn't handled properly, enable a handler that attempts to dump the Java stack.
static constexpr bool kEnableJavaStackTraceHandler = false;
-const char* Runtime::kDefaultInstructionSetFeatures =
- STRINGIFY(ART_DEFAULT_INSTRUCTION_SET_FEATURES);
-Runtime* Runtime::instance_ = NULL;
+Runtime* Runtime::instance_ = nullptr;
Runtime::Runtime()
: instruction_set_(kNone),
@@ -144,10 +147,15 @@ Runtime::Runtime()
target_sdk_version_(0),
implicit_null_checks_(false),
implicit_so_checks_(false),
- implicit_suspend_checks_(false) {
+ implicit_suspend_checks_(false),
+ is_native_bridge_loaded_(false) {
+ CheckAsmSupportOffsetsAndSizes();
}
Runtime::~Runtime() {
+ if (is_native_bridge_loaded_) {
+ UnloadNativeBridge();
+ }
if (dump_gc_performance_on_shutdown_) {
// This can't be called from the Heap destructor below because it
// could call RosAlloc::InspectAll() which needs the thread_list
@@ -169,9 +177,6 @@ Runtime::~Runtime() {
BackgroundMethodSamplingProfiler::Shutdown();
}
- // Shutdown the fault manager if it was initialized.
- fault_manager.Shutdown();
-
Trace::Shutdown();
// Make sure to let the GC complete if it is running.
@@ -184,6 +189,10 @@ Runtime::~Runtime() {
// Make sure all other non-daemon threads have terminated, and all daemon threads are suspended.
delete thread_list_;
+
+ // Shutdown the fault manager if it was initialized.
+ fault_manager.Shutdown();
+
delete monitor_list_;
delete monitor_pool_;
delete class_linker_;
@@ -200,7 +209,7 @@ Runtime::~Runtime() {
}
struct AbortState {
- void Dump(std::ostream& os) {
+ void Dump(std::ostream& os) const {
if (gAborting > 1) {
os << "Runtime aborting --- recursively, so no thread-specific detail!\n";
return;
@@ -231,7 +240,7 @@ struct AbortState {
}
// No thread-safety analysis as we do explicitly test for holding the mutator lock.
- void DumpThread(std::ostream& os, Thread* self) NO_THREAD_SAFETY_ANALYSIS {
+ void DumpThread(std::ostream& os, Thread* self) const NO_THREAD_SAFETY_ANALYSIS {
DCHECK(Locks::mutator_lock_->IsExclusiveHeld(self) || Locks::mutator_lock_->IsSharedHeld(self));
self->Dump(os);
if (self->IsExceptionPending()) {
@@ -243,7 +252,7 @@ struct AbortState {
}
}
- void DumpAllThreads(std::ostream& os, Thread* self) {
+ void DumpAllThreads(std::ostream& os, Thread* self) const {
Runtime* runtime = Runtime::Current();
if (runtime != nullptr) {
ThreadList* thread_list = runtime->GetThreadList();
@@ -426,12 +435,11 @@ bool Runtime::Start() {
return false;
}
} else {
- bool have_native_bridge = !native_bridge_library_filename_.empty();
- if (have_native_bridge) {
+ if (is_native_bridge_loaded_) {
PreInitializeNativeBridge(".");
}
- DidForkFromZygote(self->GetJniEnv(), have_native_bridge ? NativeBridgeAction::kInitialize :
- NativeBridgeAction::kUnload, GetInstructionSetString(kRuntimeISA));
+ DidForkFromZygote(self->GetJniEnv(), NativeBridgeAction::kInitialize,
+ GetInstructionSetString(kRuntimeISA));
}
StartDaemonThreads();
@@ -510,14 +518,17 @@ bool Runtime::InitZygote() {
void Runtime::DidForkFromZygote(JNIEnv* env, NativeBridgeAction action, const char* isa) {
is_zygote_ = false;
- switch (action) {
- case NativeBridgeAction::kUnload:
- UnloadNativeBridge();
- break;
+ if (is_native_bridge_loaded_) {
+ switch (action) {
+ case NativeBridgeAction::kUnload:
+ UnloadNativeBridge();
+ is_native_bridge_loaded_ = false;
+ break;
- case NativeBridgeAction::kInitialize:
- InitializeNativeBridge(env, isa);
- break;
+ case NativeBridgeAction::kInitialize:
+ InitializeNativeBridge(env, isa);
+ break;
+ }
}
// Create the thread pool.
@@ -803,7 +814,7 @@ bool Runtime::Init(const RuntimeOptions& raw_options, bool ignore_unrecognized)
}
} else if (!IsCompiler() || !image_dex2oat_enabled_) {
std::vector<std::string> dex_filenames;
- Split(boot_class_path_string_, ':', dex_filenames);
+ Split(boot_class_path_string_, ':', &dex_filenames);
std::vector<const DexFile*> boot_class_path;
OpenDexFiles(dex_filenames, options->image_, boot_class_path);
class_linker_->InitWithoutImage(boot_class_path);
@@ -847,14 +858,14 @@ bool Runtime::Init(const RuntimeOptions& raw_options, bool ignore_unrecognized)
// Pre-allocate an OutOfMemoryError for the double-OOME case.
self->ThrowNewException(ThrowLocation(), "Ljava/lang/OutOfMemoryError;",
"OutOfMemoryError thrown while trying to throw OutOfMemoryError; "
- "no stack available");
+ "no stack trace available");
pre_allocated_OutOfMemoryError_ = GcRoot<mirror::Throwable>(self->GetException(NULL));
self->ClearException();
// Pre-allocate a NoClassDefFoundError for the common case of failing to find a system class
// ahead of checking the application's class loader.
self->ThrowNewException(ThrowLocation(), "Ljava/lang/NoClassDefFoundError;",
- "Class not found using the boot class loader; no stack available");
+ "Class not found using the boot class loader; no stack trace available");
pre_allocated_NoClassDefFoundError_ = GcRoot<mirror::Throwable>(self->GetException(NULL));
self->ClearException();
@@ -885,8 +896,7 @@ bool Runtime::Init(const RuntimeOptions& raw_options, bool ignore_unrecognized)
// Runtime::Start():
// DidForkFromZygote(kInitialize) -> try to initialize any native bridge given.
// No-op wrt native bridge.
- native_bridge_library_filename_ = options->native_bridge_library_filename_;
- LoadNativeBridge(native_bridge_library_filename_);
+ is_native_bridge_loaded_ = LoadNativeBridge(options->native_bridge_library_filename_);
VLOG(startup) << "Runtime::Init exiting";
return true;
@@ -914,7 +924,7 @@ void Runtime::InitNativeMethods() {
{
std::string mapped_name(StringPrintf(OS_SHARED_LIB_FORMAT_STR, "javacore"));
std::string reason;
- if (!instance_->java_vm_->LoadNativeLibrary(env, mapped_name, nullptr, &reason)) {
+ if (!java_vm_->LoadNativeLibrary(env, mapped_name, nullptr, &reason)) {
LOG(FATAL) << "LoadNativeLibrary failed for \"" << mapped_name << "\": " << reason;
}
}
@@ -1216,8 +1226,8 @@ mirror::ArtMethod* Runtime::CreateImtConflictMethod() {
method->SetEntryPointFromPortableCompiledCode(nullptr);
method->SetEntryPointFromQuickCompiledCode(nullptr);
} else {
- method->SetEntryPointFromPortableCompiledCode(class_linker->GetPortableImtConflictTrampoline());
- method->SetEntryPointFromQuickCompiledCode(class_linker->GetQuickImtConflictTrampoline());
+ method->SetEntryPointFromPortableCompiledCode(GetPortableImtConflictStub());
+ method->SetEntryPointFromQuickCompiledCode(GetQuickImtConflictStub());
}
return method.Get();
}
@@ -1236,8 +1246,8 @@ mirror::ArtMethod* Runtime::CreateResolutionMethod() {
method->SetEntryPointFromPortableCompiledCode(nullptr);
method->SetEntryPointFromQuickCompiledCode(nullptr);
} else {
- method->SetEntryPointFromPortableCompiledCode(class_linker->GetPortableResolutionTrampoline());
- method->SetEntryPointFromQuickCompiledCode(class_linker->GetQuickResolutionTrampoline());
+ method->SetEntryPointFromPortableCompiledCode(GetPortableResolutionStub());
+ method->SetEntryPointFromQuickCompiledCode(GetQuickResolutionStub());
}
return method.Get();
}
@@ -1454,9 +1464,10 @@ void Runtime::AddCurrentRuntimeFeaturesAsDex2OatArguments(std::vector<std::strin
instruction_set += GetInstructionSetString(kRuntimeISA);
argv->push_back(instruction_set);
- std::string features("--instruction-set-features=");
- features += GetDefaultInstructionSetFeatures();
- argv->push_back(features);
+ std::unique_ptr<const InstructionSetFeatures> features(InstructionSetFeatures::FromCppDefines());
+ std::string feature_string("--instruction-set-features=");
+ feature_string += features->GetFeatureString();
+ argv->push_back(feature_string);
}
void Runtime::UpdateProfilerState(int state) {
generated by cgit v1.2.3-59-g8ed1b (git 2.39.0) at 2025-11-04 01:26:13 +0000