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-rw-r--r--runtime/class_linker.cc305
1 files changed, 113 insertions, 192 deletions
diff --git a/runtime/class_linker.cc b/runtime/class_linker.cc
index 82cf7afb18..56fae81512 100644
--- a/runtime/class_linker.cc
+++ b/runtime/class_linker.cc
@@ -30,7 +30,6 @@
#include "base/arena_allocator.h"
#include "base/casts.h"
#include "base/logging.h"
-#include "base/out.h"
#include "base/scoped_arena_containers.h"
#include "base/scoped_flock.h"
#include "base/stl_util.h"
@@ -199,7 +198,7 @@ struct FieldGapsComparator {
return lhs.size < rhs.size || (lhs.size == rhs.size && lhs.start_offset > rhs.start_offset);
}
};
-using FieldGaps = std::priority_queue<FieldGap, std::vector<FieldGap>, FieldGapsComparator>;
+typedef std::priority_queue<FieldGap, std::vector<FieldGap>, FieldGapsComparator> FieldGaps;
// Adds largest aligned gaps to queue of gaps.
static void AddFieldGap(uint32_t gap_start, uint32_t gap_end, FieldGaps* gaps) {
@@ -776,13 +775,12 @@ class DexFileAndClassPair : ValueObject {
// be from multidex, which resolves correctly).
};
-static void AddDexFilesFromOat(const OatFile* oat_file,
- bool already_loaded,
+static void AddDexFilesFromOat(const OatFile* oat_file, bool already_loaded,
std::priority_queue<DexFileAndClassPair>* heap) {
const std::vector<const OatDexFile*>& oat_dex_files = oat_file->GetOatDexFiles();
for (const OatDexFile* oat_dex_file : oat_dex_files) {
std::string error;
- std::unique_ptr<const DexFile> dex_file = oat_dex_file->OpenDexFile(outof(error));
+ std::unique_ptr<const DexFile> dex_file = oat_dex_file->OpenDexFile(&error);
if (dex_file.get() == nullptr) {
LOG(WARNING) << "Could not create dex file from oat file: " << error;
} else {
@@ -838,7 +836,7 @@ const OatFile* ClassLinker::GetPrimaryOatFile() {
// against the following top element. If the descriptor is the same, it is now checked whether
// the two elements agree on whether their dex file was from an already-loaded oat-file or the
// new oat file. Any disagreement indicates a collision.
-bool ClassLinker::HasCollisions(const OatFile* oat_file, out<std::string> error_msg) {
+bool ClassLinker::HasCollisions(const OatFile* oat_file, std::string* error_msg) {
if (!kDuplicateClassesCheck) {
return false;
}
@@ -903,9 +901,10 @@ bool ClassLinker::HasCollisions(const OatFile* oat_file, out<std::string> error_
}
std::vector<std::unique_ptr<const DexFile>> ClassLinker::OpenDexFilesFromOat(
- const char* dex_location,
- const char* oat_location,
- out<std::vector<std::string>> error_msgs) {
+ const char* dex_location, const char* oat_location,
+ std::vector<std::string>* error_msgs) {
+ CHECK(error_msgs != nullptr);
+
// Verify we aren't holding the mutator lock, which could starve GC if we
// have to generate or relocate an oat file.
Locks::mutator_lock_->AssertNotHeld(Thread::Current());
@@ -947,7 +946,7 @@ std::vector<std::unique_ptr<const DexFile>> ClassLinker::OpenDexFilesFromOat(
std::unique_ptr<OatFile> oat_file = oat_file_assistant.GetBestOatFile();
if (oat_file.get() != nullptr) {
// Take the file only if it has no collisions, or we must take it because of preopting.
- bool accept_oat_file = !HasCollisions(oat_file.get(), outof(error_msg));
+ bool accept_oat_file = !HasCollisions(oat_file.get(), &error_msg);
if (!accept_oat_file) {
// Failed the collision check. Print warning.
if (Runtime::Current()->IsDexFileFallbackEnabled()) {
@@ -981,7 +980,8 @@ std::vector<std::unique_ptr<const DexFile>> ClassLinker::OpenDexFilesFromOat(
if (source_oat_file != nullptr) {
dex_files = oat_file_assistant.LoadDexFiles(*source_oat_file, dex_location);
if (dex_files.empty()) {
- error_msgs->push_back("Failed to open dex files from " + source_oat_file->GetLocation());
+ error_msgs->push_back("Failed to open dex files from "
+ + source_oat_file->GetLocation());
}
}
@@ -1017,8 +1017,7 @@ const OatFile* ClassLinker::FindOpenedOatFileFromOatLocation(const std::string&
return nullptr;
}
-static void SanityCheckArtMethod(ArtMethod* m,
- mirror::Class* expected_class,
+static void SanityCheckArtMethod(ArtMethod* m, mirror::Class* expected_class,
gc::space::ImageSpace* space)
SHARED_REQUIRES(Locks::mutator_lock_) {
if (m->IsRuntimeMethod()) {
@@ -1036,11 +1035,9 @@ static void SanityCheckArtMethod(ArtMethod* m,
}
}
-static void SanityCheckArtMethodPointerArray(mirror::PointerArray* arr,
- mirror::Class* expected_class,
- size_t pointer_size,
- gc::space::ImageSpace* space)
- SHARED_REQUIRES(Locks::mutator_lock_) {
+static void SanityCheckArtMethodPointerArray(
+ mirror::PointerArray* arr, mirror::Class* expected_class, size_t pointer_size,
+ gc::space::ImageSpace* space) SHARED_REQUIRES(Locks::mutator_lock_) {
CHECK(arr != nullptr);
for (int32_t j = 0; j < arr->GetLength(); ++j) {
auto* method = arr->GetElementPtrSize<ArtMethod*>(j, pointer_size);
@@ -1146,7 +1143,7 @@ void ClassLinker::InitFromImage() {
nullptr);
CHECK(oat_dex_file != nullptr) << oat_file.GetLocation() << " " << dex_file_location;
std::string error_msg;
- std::unique_ptr<const DexFile> dex_file = oat_dex_file->OpenDexFile(outof(error_msg));
+ std::unique_ptr<const DexFile> dex_file = oat_dex_file->OpenDexFile(&error_msg);
if (dex_file.get() == nullptr) {
LOG(FATAL) << "Failed to open dex file " << dex_file_location
<< " from within oat file " << oat_file.GetLocation()
@@ -1506,8 +1503,7 @@ mirror::DexCache* ClassLinker::AllocDexCache(Thread* self, const DexFile& dex_fi
return dex_cache.Get();
}
-mirror::Class* ClassLinker::AllocClass(Thread* self,
- mirror::Class* java_lang_Class,
+mirror::Class* ClassLinker::AllocClass(Thread* self, mirror::Class* java_lang_Class,
uint32_t class_size) {
DCHECK_GE(class_size, sizeof(mirror::Class));
gc::Heap* heap = Runtime::Current()->GetHeap();
@@ -1526,14 +1522,13 @@ mirror::Class* ClassLinker::AllocClass(Thread* self, uint32_t class_size) {
return AllocClass(self, GetClassRoot(kJavaLangClass), class_size);
}
-mirror::ObjectArray<mirror::StackTraceElement>*
-ClassLinker::AllocStackTraceElementArray(Thread* self, size_t length) {
+mirror::ObjectArray<mirror::StackTraceElement>* ClassLinker::AllocStackTraceElementArray(
+ Thread* self, size_t length) {
return mirror::ObjectArray<mirror::StackTraceElement>::Alloc(
self, GetClassRoot(kJavaLangStackTraceElementArrayClass), length);
}
-mirror::Class* ClassLinker::EnsureResolved(Thread* self,
- const char* descriptor,
+mirror::Class* ClassLinker::EnsureResolved(Thread* self, const char* descriptor,
mirror::Class* klass) {
DCHECK(klass != nullptr);
@@ -1592,8 +1587,7 @@ typedef std::pair<const DexFile*, const DexFile::ClassDef*> ClassPathEntry;
// Search a collection of DexFiles for a descriptor
ClassPathEntry FindInClassPath(const char* descriptor,
- size_t hash,
- const std::vector<const DexFile*>& class_path) {
+ size_t hash, const std::vector<const DexFile*>& class_path) {
for (const DexFile* dex_file : class_path) {
const DexFile::ClassDef* dex_class_def = dex_file->FindClassDef(descriptor, hash);
if (dex_class_def != nullptr) {
@@ -1612,17 +1606,16 @@ static bool IsBootClassLoader(ScopedObjectAccessAlreadyRunnable& soa,
}
bool ClassLinker::FindClassInPathClassLoader(ScopedObjectAccessAlreadyRunnable& soa,
- Thread* self,
- const char* descriptor,
+ Thread* self, const char* descriptor,
size_t hash,
Handle<mirror::ClassLoader> class_loader,
- out<mirror::Class*> result) {
+ mirror::Class** result) {
// Termination case: boot class-loader.
if (IsBootClassLoader(soa, class_loader.Get())) {
// The boot class loader, search the boot class path.
ClassPathEntry pair = FindInClassPath(descriptor, hash, boot_class_path_);
if (pair.second != nullptr) {
- mirror::Class* klass = LookupClass(self, descriptor, hash, nullptr /* no classloader */);
+ mirror::Class* klass = LookupClass(self, descriptor, hash, nullptr);
if (klass != nullptr) {
*result = EnsureResolved(self, descriptor, klass);
} else {
@@ -1724,8 +1717,7 @@ bool ClassLinker::FindClassInPathClassLoader(ScopedObjectAccessAlreadyRunnable&
return true;
}
-mirror::Class* ClassLinker::FindClass(Thread* self,
- const char* descriptor,
+mirror::Class* ClassLinker::FindClass(Thread* self, const char* descriptor,
Handle<mirror::ClassLoader> class_loader) {
DCHECK_NE(*descriptor, '\0') << "descriptor is empty string";
DCHECK(self != nullptr);
@@ -1761,7 +1753,7 @@ mirror::Class* ClassLinker::FindClass(Thread* self,
} else {
ScopedObjectAccessUnchecked soa(self);
mirror::Class* cp_klass;
- if (FindClassInPathClassLoader(soa, self, descriptor, hash, class_loader, outof(cp_klass))) {
+ if (FindClassInPathClassLoader(soa, self, descriptor, hash, class_loader, &cp_klass)) {
// The chain was understood. So the value in cp_klass is either the class we were looking
// for, or not found.
if (cp_klass != nullptr) {
@@ -1814,9 +1806,7 @@ mirror::Class* ClassLinker::FindClass(Thread* self,
UNREACHABLE();
}
-mirror::Class* ClassLinker::DefineClass(Thread* self,
- const char* descriptor,
- size_t hash,
+mirror::Class* ClassLinker::DefineClass(Thread* self, const char* descriptor, size_t hash,
Handle<mirror::ClassLoader> class_loader,
const DexFile& dex_file,
const DexFile::ClassDef& dex_class_def) {
@@ -1902,7 +1892,7 @@ mirror::Class* ClassLinker::DefineClass(Thread* self,
auto interfaces = hs.NewHandle<mirror::ObjectArray<mirror::Class>>(nullptr);
MutableHandle<mirror::Class> h_new_class = hs.NewHandle<mirror::Class>(nullptr);
- if (!LinkClass(self, descriptor, klass, interfaces, outof(h_new_class))) {
+ if (!LinkClass(self, descriptor, klass, interfaces, &h_new_class)) {
// Linking failed.
if (!klass->IsErroneous()) {
mirror::Class::SetStatus(klass, mirror::Class::kStatusError, self);
@@ -1985,9 +1975,8 @@ uint32_t ClassLinker::SizeOfClassWithoutEmbeddedTables(const DexFile& dex_file,
image_pointer_size_);
}
-OatFile::OatClass ClassLinker::FindOatClass(const DexFile& dex_file,
- uint16_t class_def_idx,
- out<bool> found) {
+OatFile::OatClass ClassLinker::FindOatClass(const DexFile& dex_file, uint16_t class_def_idx,
+ bool* found) {
DCHECK_NE(class_def_idx, DexFile::kDexNoIndex16);
const OatFile::OatDexFile* oat_dex_file = dex_file.GetOatDexFile();
if (oat_dex_file == nullptr) {
@@ -1998,8 +1987,7 @@ OatFile::OatClass ClassLinker::FindOatClass(const DexFile& dex_file,
return oat_dex_file->GetOatClass(class_def_idx);
}
-static uint32_t GetOatMethodIndexFromMethodIndex(const DexFile& dex_file,
- uint16_t class_def_idx,
+static uint32_t GetOatMethodIndexFromMethodIndex(const DexFile& dex_file, uint16_t class_def_idx,
uint32_t method_idx) {
const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_idx);
const uint8_t* class_data = dex_file.GetClassData(class_def);
@@ -2033,7 +2021,7 @@ static uint32_t GetOatMethodIndexFromMethodIndex(const DexFile& dex_file,
UNREACHABLE();
}
-const OatFile::OatMethod ClassLinker::FindOatMethodFor(ArtMethod* method, out<bool> found) {
+const OatFile::OatMethod ClassLinker::FindOatMethodFor(ArtMethod* method, bool* found) {
// Although we overwrite the trampoline of non-static methods, we may get here via the resolution
// method for direct methods (or virtual methods made direct).
mirror::Class* declaring_class = method->GetDeclaringClass();
@@ -2065,7 +2053,7 @@ const OatFile::OatMethod ClassLinker::FindOatMethodFor(ArtMethod* method, out<bo
method->GetDexMethodIndex()));
OatFile::OatClass oat_class = FindOatClass(*declaring_class->GetDexCache()->GetDexFile(),
declaring_class->GetDexClassDefIndex(),
- outof_forward(found));
+ found);
if (!(*found)) {
return OatFile::OatMethod::Invalid();
}
@@ -2079,7 +2067,7 @@ const void* ClassLinker::GetQuickOatCodeFor(ArtMethod* method) {
return GetQuickProxyInvokeHandler();
}
bool found;
- OatFile::OatMethod oat_method = FindOatMethodFor(method, outof(found));
+ OatFile::OatMethod oat_method = FindOatMethodFor(method, &found);
if (found) {
auto* code = oat_method.GetQuickCode();
if (code != nullptr) {
@@ -2105,7 +2093,7 @@ const void* ClassLinker::GetOatMethodQuickCodeFor(ArtMethod* method) {
return nullptr;
}
bool found;
- OatFile::OatMethod oat_method = FindOatMethodFor(method, outof(found));
+ OatFile::OatMethod oat_method = FindOatMethodFor(method, &found);
if (found) {
return oat_method.GetQuickCode();
}
@@ -2119,11 +2107,10 @@ const void* ClassLinker::GetOatMethodQuickCodeFor(ArtMethod* method) {
return nullptr;
}
-const void* ClassLinker::GetQuickOatCodeFor(const DexFile& dex_file,
- uint16_t class_def_idx,
+const void* ClassLinker::GetQuickOatCodeFor(const DexFile& dex_file, uint16_t class_def_idx,
uint32_t method_idx) {
bool found;
- OatFile::OatClass oat_class = FindOatClass(dex_file, class_def_idx, outof(found));
+ OatFile::OatClass oat_class = FindOatClass(dex_file, class_def_idx, &found);
if (!found) {
return nullptr;
}
@@ -2174,7 +2161,7 @@ void ClassLinker::FixupStaticTrampolines(mirror::Class* klass) {
}
bool has_oat_class;
OatFile::OatClass oat_class = FindOatClass(dex_file, klass->GetDexClassDefIndex(),
- outof(has_oat_class));
+ &has_oat_class);
// Link the code of methods skipped by LinkCode.
for (size_t method_index = 0; it.HasNextDirectMethod(); ++method_index, it.Next()) {
ArtMethod* method = klass->GetDirectMethod(method_index, image_pointer_size_);
@@ -2202,8 +2189,7 @@ void ClassLinker::FixupStaticTrampolines(mirror::Class* klass) {
// Ignore virtual methods on the iterator.
}
-void ClassLinker::LinkCode(ArtMethod* method,
- const OatFile::OatClass* oat_class,
+void ClassLinker::LinkCode(ArtMethod* method, const OatFile::OatClass* oat_class,
uint32_t class_def_method_index) {
Runtime* const runtime = Runtime::Current();
if (runtime->IsAotCompiler()) {
@@ -2255,10 +2241,8 @@ void ClassLinker::LinkCode(ArtMethod* method,
}
}
-void ClassLinker::SetupClass(const DexFile& dex_file,
- const DexFile::ClassDef& dex_class_def,
- Handle<mirror::Class> klass,
- mirror::ClassLoader* class_loader) {
+void ClassLinker::SetupClass(const DexFile& dex_file, const DexFile::ClassDef& dex_class_def,
+ Handle<mirror::Class> klass, mirror::ClassLoader* class_loader) {
CHECK(klass.Get() != nullptr);
CHECK(klass->GetDexCache() != nullptr);
CHECK_EQ(mirror::Class::kStatusNotReady, klass->GetStatus());
@@ -2278,8 +2262,7 @@ void ClassLinker::SetupClass(const DexFile& dex_file,
CHECK(klass->GetDexCacheStrings() != nullptr);
}
-void ClassLinker::LoadClass(Thread* self,
- const DexFile& dex_file,
+void ClassLinker::LoadClass(Thread* self, const DexFile& dex_file,
const DexFile::ClassDef& dex_class_def,
Handle<mirror::Class> klass) {
const uint8_t* class_data = dex_file.GetClassData(dex_class_def);
@@ -2289,7 +2272,7 @@ void ClassLinker::LoadClass(Thread* self,
bool has_oat_class = false;
if (Runtime::Current()->IsStarted() && !Runtime::Current()->IsAotCompiler()) {
OatFile::OatClass oat_class = FindOatClass(dex_file, klass->GetDexClassDefIndex(),
- outof(has_oat_class));
+ &has_oat_class);
if (has_oat_class) {
LoadClassMembers(self, dex_file, class_data, klass, &oat_class);
}
@@ -2318,8 +2301,7 @@ ArtMethod* ClassLinker::AllocArtMethodArray(Thread* self, size_t length) {
return reinterpret_cast<ArtMethod*>(ptr);
}
-void ClassLinker::LoadClassMembers(Thread* self,
- const DexFile& dex_file,
+void ClassLinker::LoadClassMembers(Thread* self, const DexFile& dex_file,
const uint8_t* class_data,
Handle<mirror::Class> klass,
const OatFile::OatClass* oat_class) {
@@ -2414,8 +2396,7 @@ void ClassLinker::LoadClassMembers(Thread* self,
self->AllowThreadSuspension();
}
-void ClassLinker::LoadField(const ClassDataItemIterator& it,
- Handle<mirror::Class> klass,
+void ClassLinker::LoadField(const ClassDataItemIterator& it, Handle<mirror::Class> klass,
ArtField* dst) {
const uint32_t field_idx = it.GetMemberIndex();
dst->SetDexFieldIndex(field_idx);
@@ -2423,11 +2404,8 @@ void ClassLinker::LoadField(const ClassDataItemIterator& it,
dst->SetAccessFlags(it.GetFieldAccessFlags());
}
-void ClassLinker::LoadMethod(Thread* self,
- const DexFile& dex_file,
- const ClassDataItemIterator& it,
- Handle<mirror::Class> klass,
- ArtMethod* dst) {
+void ClassLinker::LoadMethod(Thread* self, const DexFile& dex_file, const ClassDataItemIterator& it,
+ Handle<mirror::Class> klass, ArtMethod* dst) {
uint32_t dex_method_idx = it.GetMemberIndex();
const DexFile::MethodId& method_id = dex_file.GetMethodId(dex_method_idx);
const char* method_name = dex_file.StringDataByIdx(method_id.name_idx_);
@@ -2627,9 +2605,7 @@ mirror::Class* ClassLinker::InitializePrimitiveClass(mirror::Class* primitive_cl
// array class; that always comes from the base element class.
//
// Returns null with an exception raised on failure.
-mirror::Class* ClassLinker::CreateArrayClass(Thread* self,
- const char* descriptor,
- size_t hash,
+mirror::Class* ClassLinker::CreateArrayClass(Thread* self, const char* descriptor, size_t hash,
Handle<mirror::ClassLoader> class_loader) {
// Identify the underlying component type
CHECK_EQ('[', descriptor[0]);
@@ -2831,8 +2807,7 @@ mirror::Class* ClassLinker::InsertClass(const char* descriptor, mirror::Class* k
return nullptr;
}
-void ClassLinker::UpdateClassVirtualMethods(mirror::Class* klass,
- ArtMethod* new_methods,
+void ClassLinker::UpdateClassVirtualMethods(mirror::Class* klass, ArtMethod* new_methods,
size_t new_num_methods) {
// TODO: Fix the race condition here. b/22832610
klass->SetNumVirtualMethods(new_num_methods);
@@ -2847,9 +2822,7 @@ bool ClassLinker::RemoveClass(const char* descriptor, mirror::ClassLoader* class
return class_table != nullptr && class_table->Remove(descriptor);
}
-mirror::Class* ClassLinker::LookupClass(Thread* self,
- const char* descriptor,
- size_t hash,
+mirror::Class* ClassLinker::LookupClass(Thread* self, const char* descriptor, size_t hash,
mirror::ClassLoader* class_loader) {
{
ReaderMutexLock mu(self, *Locks::classlinker_classes_lock_);
@@ -2953,9 +2926,7 @@ mirror::Class* ClassLinker::LookupClassFromImage(const char* descriptor) {
return nullptr;
}
-void ClassLinker::LookupClasses(const char* descriptor,
- out<std::vector<mirror::Class*>> out_result) {
- std::vector<mirror::Class*>& result = *out_result;
+void ClassLinker::LookupClasses(const char* descriptor, std::vector<mirror::Class*>& result) {
result.clear();
if (dex_cache_image_class_lookup_required_) {
MoveImageClassesToClassTable();
@@ -3132,8 +3103,7 @@ void ClassLinker::EnsurePreverifiedMethods(Handle<mirror::Class> klass) {
}
}
-bool ClassLinker::VerifyClassUsingOatFile(const DexFile& dex_file,
- mirror::Class* klass,
+bool ClassLinker::VerifyClassUsingOatFile(const DexFile& dex_file, mirror::Class* klass,
mirror::Class::Status& oat_file_class_status) {
// If we're compiling, we can only verify the class using the oat file if
// we are not compiling the image or if the class we're verifying is not part of
@@ -3255,12 +3225,9 @@ void ClassLinker::ResolveMethodExceptionHandlerTypes(const DexFile& dex_file,
}
}
-mirror::Class* ClassLinker::CreateProxyClass(ScopedObjectAccessAlreadyRunnable& soa,
- jstring name,
- jobjectArray interfaces,
- jobject loader,
- jobjectArray methods,
- jobjectArray throws) {
+mirror::Class* ClassLinker::CreateProxyClass(ScopedObjectAccessAlreadyRunnable& soa, jstring name,
+ jobjectArray interfaces, jobject loader,
+ jobjectArray methods, jobjectArray throws) {
Thread* self = soa.Self();
StackHandleScope<10> hs(self);
MutableHandle<mirror::Class> klass(hs.NewHandle(
@@ -3355,7 +3322,7 @@ mirror::Class* ClassLinker::CreateProxyClass(ScopedObjectAccessAlreadyRunnable&
// The new class will replace the old one in the class table.
Handle<mirror::ObjectArray<mirror::Class>> h_interfaces(
hs.NewHandle(soa.Decode<mirror::ObjectArray<mirror::Class>*>(interfaces)));
- if (!LinkClass(self, descriptor.c_str(), klass, h_interfaces, outof(new_class))) {
+ if (!LinkClass(self, descriptor.c_str(), klass, h_interfaces, &new_class)) {
mirror::Class::SetStatus(klass, mirror::Class::kStatusError, self);
return nullptr;
}
@@ -3460,8 +3427,7 @@ void ClassLinker::CheckProxyConstructor(ArtMethod* constructor) const {
DCHECK(constructor->IsPublic());
}
-void ClassLinker::CreateProxyMethod(Handle<mirror::Class> klass,
- ArtMethod* prototype,
+void ClassLinker::CreateProxyMethod(Handle<mirror::Class> klass, ArtMethod* prototype,
ArtMethod* out) {
// Ensure prototype is in dex cache so that we can use the dex cache to look up the overridden
// prototype method
@@ -3507,8 +3473,7 @@ void ClassLinker::CheckProxyMethod(ArtMethod* method, ArtMethod* prototype) cons
CHECK_EQ(np->GetReturnType(), prototype->GetReturnType());
}
-bool ClassLinker::CanWeInitializeClass(mirror::Class* klass,
- bool can_init_statics,
+bool ClassLinker::CanWeInitializeClass(mirror::Class* klass, bool can_init_statics,
bool can_init_parents) {
if (can_init_statics && can_init_parents) {
return true;
@@ -3538,10 +3503,8 @@ bool ClassLinker::CanWeInitializeClass(mirror::Class* klass,
return CanWeInitializeClass(super_class, can_init_statics, can_init_parents);
}
-bool ClassLinker::InitializeClass(Thread* self,
- Handle<mirror::Class> klass,
- bool can_init_statics,
- bool can_init_parents) {
+bool ClassLinker::InitializeClass(Thread* self, Handle<mirror::Class> klass,
+ bool can_init_statics, bool can_init_parents) {
// see JLS 3rd edition, 12.4.2 "Detailed Initialization Procedure" for the locking protocol
// Are we already initialized and therefore done?
@@ -3610,7 +3573,7 @@ bool ClassLinker::InitializeClass(Thread* self,
return true;
}
// No. That's fine. Wait for another thread to finish initializing.
- return WaitForInitializeClass(klass, self, &lock);
+ return WaitForInitializeClass(klass, self, lock);
}
if (!ValidateSuperClassDescriptors(klass)) {
@@ -3744,16 +3707,13 @@ bool ClassLinker::InitializeClass(Thread* self,
return success;
}
-bool ClassLinker::WaitForInitializeClass(Handle<mirror::Class> klass,
- Thread* self,
- ObjectLock<mirror::Class>* lock)
+bool ClassLinker::WaitForInitializeClass(Handle<mirror::Class> klass, Thread* self,
+ ObjectLock<mirror::Class>& lock)
SHARED_REQUIRES(Locks::mutator_lock_) {
- DCHECK(lock != nullptr);
-
while (true) {
self->AssertNoPendingException();
CHECK(!klass->IsInitialized());
- lock->WaitIgnoringInterrupts();
+ lock.WaitIgnoringInterrupts();
// When we wake up, repeat the test for init-in-progress. If
// there's an exception pending (only possible if
@@ -3816,8 +3776,7 @@ static void ThrowSignatureCheckResolveArgException(Handle<mirror::Class> klass,
Handle<mirror::Class> super_klass,
ArtMethod* method,
ArtMethod* m,
- uint32_t index,
- uint32_t arg_type_idx)
+ uint32_t index, uint32_t arg_type_idx)
SHARED_REQUIRES(Locks::mutator_lock_) {
DCHECK(Thread::Current()->IsExceptionPending());
DCHECK(!m->IsProxyMethod());
@@ -3979,8 +3938,7 @@ bool ClassLinker::ValidateSuperClassDescriptors(Handle<mirror::Class> klass) {
return true;
}
-bool ClassLinker::EnsureInitialized(Thread* self, Handle<mirror::Class> c,
- bool can_init_fields,
+bool ClassLinker::EnsureInitialized(Thread* self, Handle<mirror::Class> c, bool can_init_fields,
bool can_init_parents) {
DCHECK(c.Get() != nullptr);
if (c->IsInitialized()) {
@@ -4054,11 +4012,9 @@ ClassTable* ClassLinker::ClassTableForClassLoader(mirror::ClassLoader* class_loa
return nullptr;
}
-bool ClassLinker::LinkClass(Thread* self,
- const char* descriptor,
- Handle<mirror::Class> klass,
+bool ClassLinker::LinkClass(Thread* self, const char* descriptor, Handle<mirror::Class> klass,
Handle<mirror::ObjectArray<mirror::Class>> interfaces,
- out<MutableHandle<mirror::Class>> h_new_class_out) {
+ MutableHandle<mirror::Class>* h_new_class_out) {
CHECK_EQ(mirror::Class::kStatusLoaded, klass->GetStatus());
if (!LinkSuperClass(klass)) {
@@ -4066,14 +4022,14 @@ bool ClassLinker::LinkClass(Thread* self,
}
ArtMethod* imt[mirror::Class::kImtSize];
std::fill_n(imt, arraysize(imt), Runtime::Current()->GetImtUnimplementedMethod());
- if (!LinkMethods(self, klass, interfaces, outof(imt))) {
+ if (!LinkMethods(self, klass, interfaces, imt)) {
return false;
}
if (!LinkInstanceFields(self, klass)) {
return false;
}
size_t class_size;
- if (!LinkStaticFields(self, klass, outof(class_size))) {
+ if (!LinkStaticFields(self, klass, &class_size)) {
return false;
}
CreateReferenceInstanceOffsets(klass);
@@ -4149,31 +4105,30 @@ bool ClassLinker::LinkClass(Thread* self,
return true;
}
-static void CountMethodsAndFields(ClassDataItemIterator* dex_data,
- out<size_t> virtual_methods,
- out<size_t> direct_methods,
- out<size_t> static_fields,
- out<size_t> instance_fields) {
- DCHECK(dex_data != nullptr);
+static void CountMethodsAndFields(ClassDataItemIterator& dex_data,
+ size_t* virtual_methods,
+ size_t* direct_methods,
+ size_t* static_fields,
+ size_t* instance_fields) {
*virtual_methods = *direct_methods = *static_fields = *instance_fields = 0;
- while (dex_data->HasNextStaticField()) {
- dex_data->Next();
+ while (dex_data.HasNextStaticField()) {
+ dex_data.Next();
(*static_fields)++;
}
- while (dex_data->HasNextInstanceField()) {
- dex_data->Next();
+ while (dex_data.HasNextInstanceField()) {
+ dex_data.Next();
(*instance_fields)++;
}
- while (dex_data->HasNextDirectMethod()) {
+ while (dex_data.HasNextDirectMethod()) {
(*direct_methods)++;
- dex_data->Next();
+ dex_data.Next();
}
- while (dex_data->HasNextVirtualMethod()) {
+ while (dex_data.HasNextVirtualMethod()) {
(*virtual_methods)++;
- dex_data->Next();
+ dex_data.Next();
}
- DCHECK(!dex_data->HasNext());
+ DCHECK(!dex_data.HasNext());
}
static void DumpClass(std::ostream& os,
@@ -4207,10 +4162,8 @@ static void DumpClass(std::ostream& os,
}
}
-static std::string DumpClasses(const DexFile& dex_file1,
- const DexFile::ClassDef& dex_class_def1,
- const DexFile& dex_file2,
- const DexFile::ClassDef& dex_class_def2) {
+static std::string DumpClasses(const DexFile& dex_file1, const DexFile::ClassDef& dex_class_def1,
+ const DexFile& dex_file2, const DexFile::ClassDef& dex_class_def2) {
std::ostringstream os;
DumpClass(os, dex_file1, dex_class_def1, " (Compile time)");
DumpClass(os, dex_file2, dex_class_def2, " (Runtime)");
@@ -4220,28 +4173,20 @@ static std::string DumpClasses(const DexFile& dex_file1,
// Very simple structural check on whether the classes match. Only compares the number of
// methods and fields.
-static bool SimpleStructuralCheck(const DexFile& dex_file1,
- const DexFile::ClassDef& dex_class_def1,
- const DexFile& dex_file2,
- const DexFile::ClassDef& dex_class_def2,
+static bool SimpleStructuralCheck(const DexFile& dex_file1, const DexFile::ClassDef& dex_class_def1,
+ const DexFile& dex_file2, const DexFile::ClassDef& dex_class_def2,
std::string* error_msg) {
ClassDataItemIterator dex_data1(dex_file1, dex_file1.GetClassData(dex_class_def1));
ClassDataItemIterator dex_data2(dex_file2, dex_file2.GetClassData(dex_class_def2));
// Counters for current dex file.
size_t dex_virtual_methods1, dex_direct_methods1, dex_static_fields1, dex_instance_fields1;
- CountMethodsAndFields(&dex_data1,
- outof(dex_virtual_methods1),
- outof(dex_direct_methods1),
- outof(dex_static_fields1),
- outof(dex_instance_fields1));
+ CountMethodsAndFields(dex_data1, &dex_virtual_methods1, &dex_direct_methods1, &dex_static_fields1,
+ &dex_instance_fields1);
// Counters for compile-time dex file.
size_t dex_virtual_methods2, dex_direct_methods2, dex_static_fields2, dex_instance_fields2;
- CountMethodsAndFields(&dex_data2,
- outof(dex_virtual_methods2),
- outof(dex_direct_methods2),
- outof(dex_static_fields2),
- outof(dex_instance_fields2));
+ CountMethodsAndFields(dex_data2, &dex_virtual_methods2, &dex_direct_methods2, &dex_static_fields2,
+ &dex_instance_fields2);
if (dex_virtual_methods1 != dex_virtual_methods2) {
std::string class_dump = DumpClasses(dex_file1, dex_class_def1, dex_file2, dex_class_def2);
@@ -4444,10 +4389,9 @@ bool ClassLinker::LinkSuperClass(Handle<mirror::Class> klass) {
}
// Populate the class vtable and itable. Compute return type indices.
-bool ClassLinker::LinkMethods(Thread* self,
- Handle<mirror::Class> klass,
+bool ClassLinker::LinkMethods(Thread* self, Handle<mirror::Class> klass,
Handle<mirror::ObjectArray<mirror::Class>> interfaces,
- out<ArtMethod* [mirror::Class::kImtSize]> out_imt) {
+ ArtMethod** out_imt) {
self->AllowThreadSuspension();
if (klass->IsInterface()) {
// No vtable.
@@ -4462,10 +4406,7 @@ bool ClassLinker::LinkMethods(Thread* self,
} else if (!LinkVirtualMethods(self, klass)) { // Link virtual methods first.
return false;
}
- return LinkInterfaceMethods(self,
- klass,
- interfaces,
- outof_forward(out_imt)); // Link interface method last.
+ return LinkInterfaceMethods(self, klass, interfaces, out_imt); // Link interface method last.
}
// Comparator for name and signature of a method, used in finding overriding methods. Implementation
@@ -4518,9 +4459,7 @@ class MethodNameAndSignatureComparator FINAL : public ValueObject {
class LinkVirtualHashTable {
public:
- LinkVirtualHashTable(Handle<mirror::Class> klass,
- size_t hash_size,
- uint32_t* hash_table,
+ LinkVirtualHashTable(Handle<mirror::Class> klass, size_t hash_size, uint32_t* hash_table,
size_t image_pointer_size)
: klass_(klass), hash_size_(hash_size), hash_table_(hash_table),
image_pointer_size_(image_pointer_size) {
@@ -4724,12 +4663,9 @@ bool ClassLinker::LinkVirtualMethods(Thread* self, Handle<mirror::Class> klass)
return true;
}
-bool ClassLinker::LinkInterfaceMethods(Thread* self,
- Handle<mirror::Class> klass,
+bool ClassLinker::LinkInterfaceMethods(Thread* self, Handle<mirror::Class> klass,
Handle<mirror::ObjectArray<mirror::Class>> interfaces,
- out<ArtMethod* [mirror::Class::kImtSize]> out_imt_array) {
- auto& out_imt = *out_imt_array;
-
+ ArtMethod** out_imt) {
StackHandleScope<3> hs(self);
Runtime* const runtime = Runtime::Current();
const bool has_superclass = klass->HasSuperClass();
@@ -4917,7 +4853,7 @@ bool ClassLinker::LinkInterfaceMethods(Thread* self,
}
}
- const char* old_cause = self->StartAssertNoThreadSuspension(
+ auto* old_cause = self->StartAssertNoThreadSuspension(
"Copying ArtMethods for LinkInterfaceMethods");
for (size_t i = 0; i < ifcount; ++i) {
size_t num_methods = iftable->GetInterface(i)->NumVirtualMethods();
@@ -5138,16 +5074,12 @@ bool ClassLinker::LinkInterfaceMethods(Thread* self,
bool ClassLinker::LinkInstanceFields(Thread* self, Handle<mirror::Class> klass) {
CHECK(klass.Get() != nullptr);
- size_t class_size_dont_care;
- UNUSED(class_size_dont_care); // This doesn't get set for instance fields.
- return LinkFields(self, klass, false, outof(class_size_dont_care));
+ return LinkFields(self, klass, false, nullptr);
}
-bool ClassLinker::LinkStaticFields(Thread* self,
- Handle<mirror::Class> klass,
- out<size_t> class_size) {
+bool ClassLinker::LinkStaticFields(Thread* self, Handle<mirror::Class> klass, size_t* class_size) {
CHECK(klass.Get() != nullptr);
- return LinkFields(self, klass, true, outof_forward(class_size));
+ return LinkFields(self, klass, true, class_size);
}
struct LinkFieldsComparator {
@@ -5184,10 +5116,8 @@ struct LinkFieldsComparator {
}
};
-bool ClassLinker::LinkFields(Thread* self,
- Handle<mirror::Class> klass,
- bool is_static,
- out<size_t> class_size) {
+bool ClassLinker::LinkFields(Thread* self, Handle<mirror::Class> klass, bool is_static,
+ size_t* class_size) {
self->AllowThreadSuspension();
const size_t num_fields = is_static ? klass->NumStaticFields() : klass->NumInstanceFields();
ArtField* const fields = is_static ? klass->GetSFields() : klass->GetIFields();
@@ -5358,8 +5288,7 @@ void ClassLinker::CreateReferenceInstanceOffsets(Handle<mirror::Class> klass) {
klass->SetReferenceInstanceOffsets(reference_offsets);
}
-mirror::String* ClassLinker::ResolveString(const DexFile& dex_file,
- uint32_t string_idx,
+mirror::String* ClassLinker::ResolveString(const DexFile& dex_file, uint32_t string_idx,
Handle<mirror::DexCache> dex_cache) {
DCHECK(dex_cache.Get() != nullptr);
mirror::String* resolved = dex_cache->GetResolvedString(string_idx);
@@ -5373,8 +5302,7 @@ mirror::String* ClassLinker::ResolveString(const DexFile& dex_file,
return string;
}
-mirror::Class* ClassLinker::ResolveType(const DexFile& dex_file,
- uint16_t type_idx,
+mirror::Class* ClassLinker::ResolveType(const DexFile& dex_file, uint16_t type_idx,
mirror::Class* referrer) {
StackHandleScope<2> hs(Thread::Current());
Handle<mirror::DexCache> dex_cache(hs.NewHandle(referrer->GetDexCache()));
@@ -5382,8 +5310,7 @@ mirror::Class* ClassLinker::ResolveType(const DexFile& dex_file,
return ResolveType(dex_file, type_idx, dex_cache, class_loader);
}
-mirror::Class* ClassLinker::ResolveType(const DexFile& dex_file,
- uint16_t type_idx,
+mirror::Class* ClassLinker::ResolveType(const DexFile& dex_file, uint16_t type_idx,
Handle<mirror::DexCache> dex_cache,
Handle<mirror::ClassLoader> class_loader) {
DCHECK(dex_cache.Get() != nullptr);
@@ -5416,8 +5343,7 @@ mirror::Class* ClassLinker::ResolveType(const DexFile& dex_file,
return resolved;
}
-ArtMethod* ClassLinker::ResolveMethod(const DexFile& dex_file,
- uint32_t method_idx,
+ArtMethod* ClassLinker::ResolveMethod(const DexFile& dex_file, uint32_t method_idx,
Handle<mirror::DexCache> dex_cache,
Handle<mirror::ClassLoader> class_loader,
ArtMethod* referrer, InvokeType type) {
@@ -5574,11 +5500,9 @@ ArtMethod* ClassLinker::ResolveMethod(const DexFile& dex_file,
}
}
-ArtField* ClassLinker::ResolveField(const DexFile& dex_file,
- uint32_t field_idx,
+ArtField* ClassLinker::ResolveField(const DexFile& dex_file, uint32_t field_idx,
Handle<mirror::DexCache> dex_cache,
- Handle<mirror::ClassLoader> class_loader,
- bool is_static) {
+ Handle<mirror::ClassLoader> class_loader, bool is_static) {
DCHECK(dex_cache.Get() != nullptr);
ArtField* resolved = dex_cache->GetResolvedField(field_idx, image_pointer_size_);
if (resolved != nullptr) {
@@ -5617,8 +5541,7 @@ ArtField* ClassLinker::ResolveField(const DexFile& dex_file,
return resolved;
}
-ArtField* ClassLinker::ResolveFieldJLS(const DexFile& dex_file,
- uint32_t field_idx,
+ArtField* ClassLinker::ResolveFieldJLS(const DexFile& dex_file, uint32_t field_idx,
Handle<mirror::DexCache> dex_cache,
Handle<mirror::ClassLoader> class_loader) {
DCHECK(dex_cache.Get() != nullptr);
@@ -5648,8 +5571,7 @@ ArtField* ClassLinker::ResolveFieldJLS(const DexFile& dex_file,
return resolved;
}
-const char* ClassLinker::MethodShorty(uint32_t method_idx,
- ArtMethod* referrer,
+const char* ClassLinker::MethodShorty(uint32_t method_idx, ArtMethod* referrer,
uint32_t* length) {
mirror::Class* declaring_class = referrer->GetDeclaringClass();
mirror::DexCache* dex_cache = declaring_class->GetDexCache();
@@ -5856,8 +5778,7 @@ bool ClassLinker::MayBeCalledWithDirectCodePointer(ArtMethod* m) {
}
}
-jobject ClassLinker::CreatePathClassLoader(Thread* self,
- const std::vector<const DexFile*>& dex_files) {
+jobject ClassLinker::CreatePathClassLoader(Thread* self, std::vector<const DexFile*>& dex_files) {
// SOAAlreadyRunnable is protected, and we need something to add a global reference.
// We could move the jobject to the callers, but all call-sites do this...
ScopedObjectAccessUnchecked soa(self);
generated by cgit v1.2.3-59-g8ed1b (git 2.39.0) at 2025-10-20 12:26:04 +0000