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Diffstat (limited to 'runtime/class_linker.cc')
-rw-r--r--runtime/class_linker.cc52
1 files changed, 27 insertions, 25 deletions
diff --git a/runtime/class_linker.cc b/runtime/class_linker.cc
index ac5e6aae31..4905514221 100644
--- a/runtime/class_linker.cc
+++ b/runtime/class_linker.cc
@@ -475,6 +475,9 @@ bool ClassLinker::InitWithoutImage(std::vector<std::unique_ptr<const DexFile>> b
SetClassRoot(kJavaLangString, java_lang_String.Get());
SetClassRoot(kJavaLangRefReference, java_lang_ref_Reference.Get());
+ // Fill in the empty iftable. Needs to be done after the kObjectArrayClass root is set.
+ java_lang_Object->SetIfTable(AllocIfTable(self, 0));
+
// Setup the primitive type classes.
SetClassRoot(kPrimitiveBoolean, CreatePrimitiveClass(self, Primitive::kPrimBoolean));
SetClassRoot(kPrimitiveByte, CreatePrimitiveClass(self, Primitive::kPrimByte));
@@ -916,13 +919,11 @@ static void SanityCheckObjectsCallback(mirror::Object* obj, void* arg ATTRIBUTE_
SanityCheckArtMethod(klass->GetEmbeddedVTableEntry(i, pointer_size), nullptr, image_spaces);
}
}
- auto* iftable = klass->GetIfTable();
- if (iftable != nullptr) {
- for (int32_t i = 0; i < klass->GetIfTableCount(); ++i) {
- if (iftable->GetMethodArrayCount(i) > 0) {
- SanityCheckArtMethodPointerArray(
- iftable->GetMethodArray(i), nullptr, pointer_size, image_spaces);
- }
+ mirror::IfTable* iftable = klass->GetIfTable();
+ for (int32_t i = 0; i < klass->GetIfTableCount(); ++i) {
+ if (iftable->GetMethodArrayCount(i) > 0) {
+ SanityCheckArtMethodPointerArray(
+ iftable->GetMethodArray(i), nullptr, pointer_size, image_spaces);
}
}
}
@@ -3401,7 +3402,8 @@ void ClassLinker::FixupDexCaches(ArtMethod* resolution_method) {
}
mirror::Class* ClassLinker::CreatePrimitiveClass(Thread* self, Primitive::Type type) {
- ObjPtr<mirror::Class> klass = AllocClass(self, mirror::Class::PrimitiveClassSize(image_pointer_size_));
+ ObjPtr<mirror::Class> klass =
+ AllocClass(self, mirror::Class::PrimitiveClassSize(image_pointer_size_));
if (UNLIKELY(klass == nullptr)) {
self->AssertPendingOOMException();
return nullptr;
@@ -3419,10 +3421,12 @@ mirror::Class* ClassLinker::InitializePrimitiveClass(ObjPtr<mirror::Class> primi
ObjectLock<mirror::Class> lock(self, h_class);
h_class->SetAccessFlags(kAccPublic | kAccFinal | kAccAbstract);
h_class->SetPrimitiveType(type);
+ h_class->SetIfTable(GetClassRoot(kJavaLangObject)->GetIfTable());
mirror::Class::SetStatus(h_class, mirror::Class::kStatusInitialized, self);
const char* descriptor = Primitive::Descriptor(type);
- ObjPtr<mirror::Class> existing = InsertClass(descriptor, h_class.Get(),
- ComputeModifiedUtf8Hash(descriptor));
+ ObjPtr<mirror::Class> existing = InsertClass(descriptor,
+ h_class.Get(),
+ ComputeModifiedUtf8Hash(descriptor));
CHECK(existing == nullptr) << "InitPrimitiveClass(" << type << ") failed";
return h_class.Get();
}
@@ -4121,6 +4125,8 @@ mirror::Class* ClassLinker::CreateProxyClass(ScopedObjectAccessAlreadyRunnable&
DCHECK_EQ(klass->GetPrimitiveType(), Primitive::kPrimNot);
klass->SetName(soa.Decode<mirror::String>(name));
klass->SetDexCache(GetClassRoot(kJavaLangReflectProxy)->GetDexCache());
+ // Object has an empty iftable, copy it for that reason.
+ klass->SetIfTable(GetClassRoot(kJavaLangObject)->GetIfTable());
mirror::Class::SetStatus(klass, mirror::Class::kStatusIdx, self);
std::string descriptor(GetDescriptorForProxy(klass.Get()));
const size_t hash = ComputeModifiedUtf8Hash(descriptor.c_str());
@@ -6381,16 +6387,18 @@ static size_t FillIfTable(ObjPtr<mirror::IfTable> iftable,
bool ClassLinker::SetupInterfaceLookupTable(Thread* self, Handle<mirror::Class> klass,
Handle<mirror::ObjectArray<mirror::Class>> interfaces) {
StackHandleScope<1> hs(self);
- const size_t super_ifcount =
- klass->HasSuperClass() ? klass->GetSuperClass()->GetIfTableCount() : 0U;
+ const bool has_superclass = klass->HasSuperClass();
+ const size_t super_ifcount = has_superclass ? klass->GetSuperClass()->GetIfTableCount() : 0U;
const bool have_interfaces = interfaces.Get() != nullptr;
const size_t num_interfaces =
have_interfaces ? interfaces->GetLength() : klass->NumDirectInterfaces();
if (num_interfaces == 0) {
if (super_ifcount == 0) {
+ if (LIKELY(has_superclass)) {
+ klass->SetIfTable(klass->GetSuperClass()->GetIfTable());
+ }
// Class implements no interfaces.
DCHECK_EQ(klass->GetIfTableCount(), 0);
- DCHECK(klass->GetIfTable() == nullptr);
return true;
}
// Class implements same interfaces as parent, are any of these not marker interfaces?
@@ -6583,7 +6591,7 @@ void ClassLinker::FillImtFromSuperClass(Handle<mirror::Class> klass,
} else {
// No imt in the super class, need to reconstruct from the iftable.
ObjPtr<mirror::IfTable> if_table = super_class->GetIfTable();
- if (if_table != nullptr) {
+ if (if_table->Count() != 0) {
// Ignore copied methods since we will handle these in LinkInterfaceMethods.
FillIMTFromIfTable(if_table,
unimplemented_method,
@@ -8358,17 +8366,16 @@ std::set<DexCacheResolvedClasses> ClassLinker::GetResolvedClasses(bool ignore_bo
}
ObjPtr<mirror::DexCache> klass_dex_cache = klass->GetDexCache();
if (klass_dex_cache == dex_cache) {
- const size_t class_def_idx = klass->GetDexClassDefIndex();
DCHECK(klass->IsResolved());
- CHECK_LT(class_def_idx, num_class_defs);
- class_set.insert(class_def_idx);
+ CHECK_LT(klass->GetDexClassDefIndex(), num_class_defs);
+ class_set.insert(klass->GetDexTypeIndex());
}
}
if (!class_set.empty()) {
auto it = ret.find(resolved_classes);
if (it != ret.end()) {
- // Already have the key, union the class def idxs.
+ // Already have the key, union the class type indexes.
it->AddClasses(class_set.begin(), class_set.end());
} else {
resolved_classes.AddClasses(class_set.begin(), class_set.end());
@@ -8411,13 +8418,8 @@ std::unordered_set<std::string> ClassLinker::GetClassDescriptorsForProfileKeys(
VLOG(profiler) << "Found opened dex file for " << dex_file->GetLocation() << " with "
<< info.GetClasses().size() << " classes";
DCHECK_EQ(dex_file->GetLocationChecksum(), info.GetLocationChecksum());
- for (uint16_t class_def_idx : info.GetClasses()) {
- if (class_def_idx >= dex_file->NumClassDefs()) {
- LOG(WARNING) << "Class def index " << class_def_idx << " >= " << dex_file->NumClassDefs();
- continue;
- }
- const DexFile::TypeId& type_id = dex_file->GetTypeId(
- dex_file->GetClassDef(class_def_idx).class_idx_);
+ for (uint16_t type_idx : info.GetClasses()) {
+ const DexFile::TypeId& type_id = dex_file->GetTypeId(type_idx);
const char* descriptor = dex_file->GetTypeDescriptor(type_id);
ret.insert(descriptor);
}
generated by cgit v1.2.3-59-g8ed1b (git 2.39.0) at 2025-10-20 21:25:29 +0000