Revert "Make sure that const-class linkage is preserved, try again."
Reverting due to test failures as expected.
Bug: 30627598
Bug: 33231647
This reverts commit cb5ab35980a86b05586c402924d2e7ca9df25758.
Squashed revert "Additional debug logging for bug 33231647."
This reverts commit 00a441033db28d243fc33692d30eb2755fa81728.
Change-Id: I0c0ee1f70d47540fec99f8a797ce13571c16147c
diff --git a/compiler/image_writer.cc b/compiler/image_writer.cc
index 6aa5642..fb5560b 100644
--- a/compiler/image_writer.cc
+++ b/compiler/image_writer.cc
@@ -838,73 +838,21 @@
return true;
}
-class ImageWriter::PruneClassesVisitor : public ClassVisitor {
+class ImageWriter::NonImageClassesVisitor : public ClassVisitor {
public:
- PruneClassesVisitor(ImageWriter* image_writer, ObjPtr<mirror::ClassLoader> class_loader)
- : image_writer_(image_writer),
- class_loader_(class_loader),
- classes_to_prune_(),
- defined_class_count_(0u) { }
+ explicit NonImageClassesVisitor(ImageWriter* image_writer) : image_writer_(image_writer) {}
- bool operator()(ObjPtr<mirror::Class> klass) OVERRIDE REQUIRES_SHARED(Locks::mutator_lock_) {
+ bool operator()(ObjPtr<Class> klass) OVERRIDE REQUIRES_SHARED(Locks::mutator_lock_) {
if (!image_writer_->KeepClass(klass.Ptr())) {
classes_to_prune_.insert(klass.Ptr());
- if (klass->GetClassLoader() == class_loader_) {
- ++defined_class_count_;
- }
}
return true;
}
- size_t Prune() REQUIRES_SHARED(Locks::mutator_lock_) {
- ClassTable* class_table =
- Runtime::Current()->GetClassLinker()->ClassTableForClassLoader(class_loader_);
- for (mirror::Class* klass : classes_to_prune_) {
- std::string storage;
- const char* descriptor = klass->GetDescriptor(&storage);
- bool result = class_table->Remove(descriptor);
- DCHECK(result);
- DCHECK(!class_table->Remove(descriptor)) << descriptor;
- }
- return defined_class_count_;
- }
-
- private:
- ImageWriter* const image_writer_;
- const ObjPtr<mirror::ClassLoader> class_loader_;
std::unordered_set<mirror::Class*> classes_to_prune_;
- size_t defined_class_count_;
-};
-
-class ImageWriter::PruneClassLoaderClassesVisitor : public ClassLoaderVisitor {
- public:
- explicit PruneClassLoaderClassesVisitor(ImageWriter* image_writer)
- : image_writer_(image_writer), removed_class_count_(0) {}
-
- virtual void Visit(ObjPtr<mirror::ClassLoader> class_loader) OVERRIDE
- REQUIRES_SHARED(Locks::mutator_lock_) {
- PruneClassesVisitor classes_visitor(image_writer_, class_loader);
- ClassTable* class_table =
- Runtime::Current()->GetClassLinker()->ClassTableForClassLoader(class_loader);
- class_table->Visit(classes_visitor);
- removed_class_count_ += classes_visitor.Prune();
- }
-
- size_t GetRemovedClassCount() const {
- return removed_class_count_;
- }
-
- private:
ImageWriter* const image_writer_;
- size_t removed_class_count_;
};
-void ImageWriter::VisitClassLoaders(ClassLoaderVisitor* visitor) {
- ReaderMutexLock mu(Thread::Current(), *Locks::classlinker_classes_lock_);
- visitor->Visit(nullptr); // Visit boot class loader.
- Runtime::Current()->GetClassLinker()->VisitClassLoaders(visitor);
-}
-
void ImageWriter::PruneNonImageClasses() {
Runtime* runtime = Runtime::Current();
ClassLinker* class_linker = runtime->GetClassLinker();
@@ -914,11 +862,21 @@
// path dex caches.
class_linker->ClearClassTableStrongRoots();
+ // Make a list of classes we would like to prune.
+ NonImageClassesVisitor visitor(this);
+ class_linker->VisitClasses(&visitor);
+
// Remove the undesired classes from the class roots.
- {
- PruneClassLoaderClassesVisitor class_loader_visitor(this);
- VisitClassLoaders(&class_loader_visitor);
- VLOG(compiler) << "Pruned " << class_loader_visitor.GetRemovedClassCount() << " classes";
+ VLOG(compiler) << "Pruning " << visitor.classes_to_prune_.size() << " classes";
+ for (mirror::Class* klass : visitor.classes_to_prune_) {
+ std::string temp;
+ const char* name = klass->GetDescriptor(&temp);
+ VLOG(compiler) << "Pruning class " << name;
+ if (!compile_app_image_) {
+ DCHECK(IsBootClassLoaderClass(klass));
+ }
+ bool result = class_linker->RemoveClass(name, klass->GetClassLoader());
+ DCHECK(result);
}
// Clear references to removed classes from the DexCaches.
@@ -974,8 +932,7 @@
class_linker->DropFindArrayClassCache();
// Clear to save RAM.
- // FIXME: This has been temporarily removed to provide extra debugging output. Bug 33231647.
- // prune_class_memo_.clear();
+ prune_class_memo_.clear();
}
void ImageWriter::CheckNonImageClassesRemoved() {
@@ -1147,69 +1104,7 @@
DCHECK_NE(as_klass->GetStatus(), mirror::Class::kStatusError);
if (compile_app_image_) {
// Extra sanity, no boot loader classes should be left!
- // FIXME: Remove the extra logging. Bug 33231647.
- struct Dumper {
- std::string ImageRanges() const {
- std::ostringstream oss;
- const char* separator = "";
- gc::Heap* const heap = Runtime::Current()->GetHeap();
- for (gc::space::ImageSpace* boot_image_space : heap->GetBootImageSpaces()) {
- const uint8_t* image_begin = boot_image_space->Begin();
- // Real image end including ArtMethods and ArtField sections.
- const uint8_t* image_end =
- image_begin + boot_image_space->GetImageHeader().GetImageSize();
- oss << separator << static_cast<const void*>(image_begin)
- << "-" << static_cast<const void*>(image_end);
- separator = ":";
- }
- return oss.str();
- }
- std::string PruneMemo(ImageWriter* writer,
- mirror::Class* klass,
- const std::unordered_map<mirror::Class*, bool>& map) const
- REQUIRES_SHARED(Locks::mutator_lock_) {
- auto it = map.find(klass);
- if (it == map.end()) {
- return writer->PruneAppImageClass(klass) ? "missing/true" : "missing/false";
- } else {
- return it->second ? "true" : "false";
- }
- }
- std::string ClassLoaders(ImageWriter* writer, mirror::Class* klass) const
- REQUIRES_SHARED(Locks::mutator_lock_) {
- struct DumpVisitor : ClassLoaderVisitor {
- explicit DumpVisitor(mirror::Class* the_klass)
- : klass_(the_klass),
- storage_(),
- descriptor_(the_klass->GetDescriptor(&storage_)) { }
- void Visit(ObjPtr<mirror::ClassLoader> class_loader) OVERRIDE
- REQUIRES_SHARED(Locks::classlinker_classes_lock_, Locks::mutator_lock_) {
- ClassTable* class_table =
- Runtime::Current()->GetClassLinker()->ClassTableForClassLoader(class_loader);
- if (class_table->Contains(klass_)) {
- result_ << ";" << static_cast<const void*>(class_loader.Ptr()) << "/"
- << (class_loader == klass_->GetClassLoader() ? "defining" : "initiating")
- << "/"
- << (class_table->LookupByDescriptor(klass_) == klass_ ? "ok" : "mismatch");
- }
- }
- mirror::Class* klass_;
- std::string storage_;
- const char* descriptor_;
- std::ostringstream result_;
- };
- DumpVisitor visitor(klass);
- writer->VisitClassLoaders(&visitor);
- std::string result = visitor.result_.str();
- return result.empty() ? "<none>" : /* drop leading ';' */ result.substr(1u);
- }
- };
- CHECK(!IsBootClassLoaderClass(as_klass)) << as_klass->PrettyClass()
- << " status:" << as_klass->GetStatus()
- << " " << static_cast<const void*>(as_klass)
- << " " << Dumper().ImageRanges()
- << " prune_memo:" << Dumper().PruneMemo(this, as_klass, prune_class_memo_)
- << " loaders:" << Dumper().ClassLoaders(this, as_klass);
+ CHECK(!IsBootClassLoaderClass(as_klass)) << as_klass->PrettyClass();
}
LengthPrefixedArray<ArtField>* fields[] = {
as_klass->GetSFieldsPtr(), as_klass->GetIFieldsPtr(),
@@ -1613,10 +1508,8 @@
}
// Calculate the size of the class table.
ReaderMutexLock mu(self, *Locks::classlinker_classes_lock_);
- CHECK_EQ(class_loaders_.size(), compile_app_image_ ? 1u : 0u);
- mirror::ClassLoader* class_loader = compile_app_image_ ? *class_loaders_.begin() : nullptr;
- DCHECK_EQ(image_info.class_table_->NumZygoteClasses(class_loader), 0u);
- if (image_info.class_table_->NumNonZygoteClasses(class_loader) != 0u) {
+ DCHECK_EQ(image_info.class_table_->NumZygoteClasses(), 0u);
+ if (image_info.class_table_->NumNonZygoteClasses() != 0u) {
image_info.class_table_bytes_ += image_info.class_table_->WriteToMemory(nullptr);
}
}
@@ -1961,10 +1854,8 @@
// above comment for intern tables.
ClassTable temp_class_table;
temp_class_table.ReadFromMemory(class_table_memory_ptr);
- CHECK_EQ(class_loaders_.size(), compile_app_image_ ? 1u : 0u);
- mirror::ClassLoader* class_loader = compile_app_image_ ? *class_loaders_.begin() : nullptr;
- CHECK_EQ(temp_class_table.NumZygoteClasses(class_loader),
- table->NumNonZygoteClasses(class_loader) + table->NumZygoteClasses(class_loader));
+ CHECK_EQ(temp_class_table.NumZygoteClasses(), table->NumNonZygoteClasses() +
+ table->NumZygoteClasses());
BufferedRootVisitor<kDefaultBufferedRootCount> buffered_visitor(&root_visitor,
RootInfo(kRootUnknown));
temp_class_table.VisitRoots(buffered_visitor);
diff --git a/compiler/image_writer.h b/compiler/image_writer.h
index c537483..24fad46 100644
--- a/compiler/image_writer.h
+++ b/compiler/image_writer.h
@@ -50,7 +50,6 @@
} // namespace space
} // namespace gc
-class ClassLoaderVisitor;
class ClassTable;
static constexpr int kInvalidFd = -1;
@@ -374,9 +373,6 @@
void ComputeLazyFieldsForImageClasses()
REQUIRES_SHARED(Locks::mutator_lock_);
- // Visit all class loaders.
- void VisitClassLoaders(ClassLoaderVisitor* visitor) REQUIRES_SHARED(Locks::mutator_lock_);
-
// Remove unwanted classes from various roots.
void PruneNonImageClasses() REQUIRES_SHARED(Locks::mutator_lock_);
@@ -592,8 +588,7 @@
class FixupVisitor;
class GetRootsVisitor;
class NativeLocationVisitor;
- class PruneClassesVisitor;
- class PruneClassLoaderClassesVisitor;
+ class NonImageClassesVisitor;
class VisitReferencesVisitor;
DISALLOW_COPY_AND_ASSIGN(ImageWriter);
diff --git a/runtime/class_linker.cc b/runtime/class_linker.cc
index f98f364..0de647f 100644
--- a/runtime/class_linker.cc
+++ b/runtime/class_linker.cc
@@ -1949,36 +1949,13 @@
void Visit(ObjPtr<mirror::ClassLoader> class_loader)
REQUIRES_SHARED(Locks::classlinker_classes_lock_, Locks::mutator_lock_) OVERRIDE {
ClassTable* const class_table = class_loader->GetClassTable();
- if (!done_ && class_table != nullptr) {
- DefiningClassLoaderFilterVisitor visitor(class_loader, visitor_);
- if (!class_table->Visit(visitor)) {
- // If the visitor ClassTable returns false it means that we don't need to continue.
- done_ = true;
- }
+ if (!done_ && class_table != nullptr && !class_table->Visit(*visitor_)) {
+ // If the visitor ClassTable returns false it means that we don't need to continue.
+ done_ = true;
}
}
private:
- // Class visitor that limits the class visits from a ClassTable to the classes with
- // the provided defining class loader. This filter is used to avoid multiple visits
- // of the same class which can be recorded for multiple initiating class loaders.
- class DefiningClassLoaderFilterVisitor : public ClassVisitor {
- public:
- DefiningClassLoaderFilterVisitor(ObjPtr<mirror::ClassLoader> defining_class_loader,
- ClassVisitor* visitor)
- : defining_class_loader_(defining_class_loader), visitor_(visitor) { }
-
- bool operator()(ObjPtr<mirror::Class> klass) OVERRIDE REQUIRES_SHARED(Locks::mutator_lock_) {
- if (klass->GetClassLoader() != defining_class_loader_) {
- return true;
- }
- return (*visitor_)(klass);
- }
-
- ObjPtr<mirror::ClassLoader> const defining_class_loader_;
- ClassVisitor* const visitor_;
- };
-
ClassVisitor* const visitor_;
// If done is true then we don't need to do any more visiting.
bool done_;
@@ -2563,109 +2540,56 @@
}
} else {
ScopedObjectAccessUnchecked soa(self);
- ObjPtr<mirror::Class> result_ptr;
- bool descriptor_equals;
- bool known_hierarchy =
- FindClassInBaseDexClassLoader(soa, self, descriptor, hash, class_loader, &result_ptr);
- if (result_ptr != nullptr) {
- // The chain was understood and we found the class. We still need to add the class to
- // the class table to protect from racy programs that can try and redefine the path list
- // which would change the Class<?> returned for subsequent evaluation of const-class.
- DCHECK(known_hierarchy);
- DCHECK(result_ptr->DescriptorEquals(descriptor));
- descriptor_equals = true;
- } else {
- // Either the chain wasn't understood or the class wasn't found.
- //
- // If the chain was understood but we did not find the class, let the Java-side
- // rediscover all this and throw the exception with the right stack trace. Note that
- // the Java-side could still succeed for racy programs if another thread is actively
- // modifying the class loader's path list.
+ ObjPtr<mirror::Class> cp_klass;
+ if (FindClassInBaseDexClassLoader(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) {
+ return cp_klass.Ptr();
+ }
+ // TODO: We handle the boot classpath loader in FindClassInBaseDexClassLoader. Try to unify
+ // this and the branch above. TODO: throw the right exception here.
- if (Runtime::Current()->IsAotCompiler()) {
- // Oops, compile-time, can't run actual class-loader code.
- ObjPtr<mirror::Throwable> pre_allocated =
- Runtime::Current()->GetPreAllocatedNoClassDefFoundError();
- self->SetException(pre_allocated);
- return nullptr;
- }
-
- ScopedLocalRef<jobject> class_loader_object(
- soa.Env(), soa.AddLocalReference<jobject>(class_loader.Get()));
- std::string class_name_string(DescriptorToDot(descriptor));
- ScopedLocalRef<jobject> result(soa.Env(), nullptr);
- {
- ScopedThreadStateChange tsc(self, kNative);
- ScopedLocalRef<jobject> class_name_object(
- soa.Env(), soa.Env()->NewStringUTF(class_name_string.c_str()));
- if (class_name_object.get() == nullptr) {
- DCHECK(self->IsExceptionPending()); // OOME.
- return nullptr;
- }
- CHECK(class_loader_object.get() != nullptr);
- result.reset(soa.Env()->CallObjectMethod(class_loader_object.get(),
- WellKnownClasses::java_lang_ClassLoader_loadClass,
- class_name_object.get()));
- }
- if (self->IsExceptionPending()) {
- // If the ClassLoader threw, pass that exception up.
- // However, to comply with the RI behavior, first check if another thread succeeded.
- result_ptr = LookupClass(self, descriptor, hash, class_loader.Get());
- if (result_ptr != nullptr && !result_ptr->IsErroneous()) {
- self->ClearException();
- return EnsureResolved(self, descriptor, result_ptr);
- }
- return nullptr;
- } else if (result.get() == nullptr) {
- // broken loader - throw NPE to be compatible with Dalvik
- ThrowNullPointerException(StringPrintf("ClassLoader.loadClass returned null for %s",
- class_name_string.c_str()).c_str());
- return nullptr;
- }
- result_ptr = soa.Decode<mirror::Class>(result.get());
- // Check the name of the returned class.
- descriptor_equals = result_ptr->DescriptorEquals(descriptor);
+ // We'll let the Java-side rediscover all this and throw the exception with the right stack
+ // trace.
}
- // Try to insert the class to the class table, checking for mismatch.
- ObjPtr<mirror::Class> old;
- {
- ReaderMutexLock mu(self, *Locks::classlinker_classes_lock_);
- ClassTable* const class_table = InsertClassTableForClassLoader(class_loader.Get());
- old = class_table->Lookup(descriptor, hash);
- if (old == nullptr) {
- old = result_ptr; // For the comparison below, after releasing the lock.
- if (descriptor_equals) {
- class_table->InsertWithHash(result_ptr.Ptr(), hash);
- Runtime::Current()->GetHeap()->WriteBarrierEveryFieldOf(class_loader.Get());
- } // else throw below, after releasing the lock.
- }
- }
- if (UNLIKELY(old != result_ptr)) {
- // Return `old` (even if `!descriptor_equals`) to mimic the RI behavior for parallel
- // capable class loaders. (All class loaders are considered parallel capable on Android.)
- mirror::Class* loader_class = class_loader->GetClass();
- const char* loader_class_name =
- loader_class->GetDexFile().StringByTypeIdx(loader_class->GetDexTypeIndex());
- LOG(WARNING) << "Initiating class loader of type " << DescriptorToDot(loader_class_name)
- << " is not well-behaved; it returned a different Class for racing loadClass(\""
- << DescriptorToDot(descriptor) << "\").";
- return EnsureResolved(self, descriptor, old);
- }
- if (UNLIKELY(!descriptor_equals)) {
- std::string result_storage;
- const char* result_name = result_ptr->GetDescriptor(&result_storage);
- std::string loader_storage;
- const char* loader_class_name = class_loader->GetClass()->GetDescriptor(&loader_storage);
- ThrowNoClassDefFoundError(
- "Initiating class loader of type %s returned class %s instead of %s.",
- DescriptorToDot(loader_class_name).c_str(),
- DescriptorToDot(result_name).c_str(),
- DescriptorToDot(descriptor).c_str());
+ if (Runtime::Current()->IsAotCompiler()) {
+ // Oops, compile-time, can't run actual class-loader code.
+ ObjPtr<mirror::Throwable> pre_allocated = Runtime::Current()->GetPreAllocatedNoClassDefFoundError();
+ self->SetException(pre_allocated);
return nullptr;
}
- // success, return mirror::Class*
- return result_ptr.Ptr();
+
+ ScopedLocalRef<jobject> class_loader_object(soa.Env(),
+ soa.AddLocalReference<jobject>(class_loader.Get()));
+ std::string class_name_string(DescriptorToDot(descriptor));
+ ScopedLocalRef<jobject> result(soa.Env(), nullptr);
+ {
+ ScopedThreadStateChange tsc(self, kNative);
+ ScopedLocalRef<jobject> class_name_object(soa.Env(),
+ soa.Env()->NewStringUTF(class_name_string.c_str()));
+ if (class_name_object.get() == nullptr) {
+ DCHECK(self->IsExceptionPending()); // OOME.
+ return nullptr;
+ }
+ CHECK(class_loader_object.get() != nullptr);
+ result.reset(soa.Env()->CallObjectMethod(class_loader_object.get(),
+ WellKnownClasses::java_lang_ClassLoader_loadClass,
+ class_name_object.get()));
+ }
+ if (self->IsExceptionPending()) {
+ // If the ClassLoader threw, pass that exception up.
+ return nullptr;
+ } else if (result.get() == nullptr) {
+ // broken loader - throw NPE to be compatible with Dalvik
+ ThrowNullPointerException(StringPrintf("ClassLoader.loadClass returned null for %s",
+ class_name_string.c_str()).c_str());
+ return nullptr;
+ } else {
+ // success, return mirror::Class*
+ return soa.Decode<mirror::Class>(result.get()).Ptr();
+ }
}
UNREACHABLE();
}
@@ -3746,6 +3670,12 @@
Runtime::Current()->GetHeap()->WriteBarrierEveryFieldOf(klass);
}
+bool ClassLinker::RemoveClass(const char* descriptor, ObjPtr<mirror::ClassLoader> class_loader) {
+ WriterMutexLock mu(Thread::Current(), *Locks::classlinker_classes_lock_);
+ ClassTable* const class_table = ClassTableForClassLoader(class_loader);
+ return class_table != nullptr && class_table->Remove(descriptor);
+}
+
mirror::Class* ClassLinker::LookupClass(Thread* self,
const char* descriptor,
size_t hash,
@@ -3796,8 +3726,7 @@
REQUIRES_SHARED(Locks::classlinker_classes_lock_, Locks::mutator_lock_) OVERRIDE {
ClassTable* const class_table = class_loader->GetClassTable();
ObjPtr<mirror::Class> klass = class_table->Lookup(descriptor_, hash_);
- // Add `klass` only if `class_loader` is its defining (not just initiating) class loader.
- if (klass != nullptr && klass->GetClassLoader() == class_loader) {
+ if (klass != nullptr) {
result_->push_back(klass);
}
}
@@ -3816,7 +3745,6 @@
const size_t hash = ComputeModifiedUtf8Hash(descriptor);
ObjPtr<mirror::Class> klass = boot_class_table_.Lookup(descriptor, hash);
if (klass != nullptr) {
- DCHECK(klass->GetClassLoader() == nullptr);
result.push_back(klass);
}
LookupClassesVisitor visitor(descriptor, hash, &result);
@@ -8125,8 +8053,8 @@
REQUIRES_SHARED(Locks::classlinker_classes_lock_, Locks::mutator_lock_) OVERRIDE {
ClassTable* const class_table = class_loader->GetClassTable();
if (class_table != nullptr) {
- num_zygote_classes += class_table->NumZygoteClasses(class_loader);
- num_non_zygote_classes += class_table->NumNonZygoteClasses(class_loader);
+ num_zygote_classes += class_table->NumZygoteClasses();
+ num_non_zygote_classes += class_table->NumNonZygoteClasses();
}
}
@@ -8137,13 +8065,13 @@
size_t ClassLinker::NumZygoteClasses() const {
CountClassesVisitor visitor;
VisitClassLoaders(&visitor);
- return visitor.num_zygote_classes + boot_class_table_.NumZygoteClasses(nullptr);
+ return visitor.num_zygote_classes + boot_class_table_.NumZygoteClasses();
}
size_t ClassLinker::NumNonZygoteClasses() const {
CountClassesVisitor visitor;
VisitClassLoaders(&visitor);
- return visitor.num_non_zygote_classes + boot_class_table_.NumNonZygoteClasses(nullptr);
+ return visitor.num_non_zygote_classes + boot_class_table_.NumNonZygoteClasses();
}
size_t ClassLinker::NumLoadedClasses() {
diff --git a/runtime/class_linker.h b/runtime/class_linker.h
index 1205074..60755cd 100644
--- a/runtime/class_linker.h
+++ b/runtime/class_linker.h
@@ -218,6 +218,12 @@
mirror::Class* FindPrimitiveClass(char type) REQUIRES_SHARED(Locks::mutator_lock_);
+ // General class unloading is not supported, this is used to prune
+ // unwanted classes during image writing.
+ bool RemoveClass(const char* descriptor, ObjPtr<mirror::ClassLoader> class_loader)
+ REQUIRES(!Locks::classlinker_classes_lock_)
+ REQUIRES_SHARED(Locks::mutator_lock_);
+
void DumpAllClasses(int flags)
REQUIRES(!Locks::classlinker_classes_lock_)
REQUIRES_SHARED(Locks::mutator_lock_);
diff --git a/runtime/class_table.cc b/runtime/class_table.cc
index 81cdce5..0fcce6b 100644
--- a/runtime/class_table.cc
+++ b/runtime/class_table.cc
@@ -83,29 +83,18 @@
#pragma clang diagnostic pop // http://b/31104323
-size_t ClassTable::CountDefiningLoaderClasses(ObjPtr<mirror::ClassLoader> defining_loader,
- const ClassSet& set) const {
- size_t count = 0;
- for (const GcRoot<mirror::Class>& klass : set) {
- if (klass.Read()->GetClassLoader() == defining_loader) {
- ++count;
- }
- }
- return count;
-}
-
-size_t ClassTable::NumZygoteClasses(ObjPtr<mirror::ClassLoader> defining_loader) const {
+size_t ClassTable::NumZygoteClasses() const {
ReaderMutexLock mu(Thread::Current(), lock_);
size_t sum = 0;
for (size_t i = 0; i < classes_.size() - 1; ++i) {
- sum += CountDefiningLoaderClasses(defining_loader, classes_[i]);
+ sum += classes_[i].Size();
}
return sum;
}
-size_t ClassTable::NumNonZygoteClasses(ObjPtr<mirror::ClassLoader> defining_loader) const {
+size_t ClassTable::NumNonZygoteClasses() const {
ReaderMutexLock mu(Thread::Current(), lock_);
- return CountDefiningLoaderClasses(defining_loader, classes_.back());
+ return classes_.back().Size();
}
mirror::Class* ClassTable::Lookup(const char* descriptor, size_t hash) {
@@ -113,7 +102,7 @@
for (ClassSet& class_set : classes_) {
auto it = class_set.FindWithHash(descriptor, hash);
if (it != class_set.end()) {
- return it->Read();
+ return it->Read();
}
}
return nullptr;
@@ -153,6 +142,7 @@
bool ClassTable::ClassDescriptorHashEquals::operator()(const GcRoot<mirror::Class>& a,
const GcRoot<mirror::Class>& b) const {
+ DCHECK_EQ(a.Read()->GetClassLoader(), b.Read()->GetClassLoader());
std::string temp;
return a.Read()->DescriptorEquals(b.Read()->GetDescriptor(&temp));
}
diff --git a/runtime/class_table.h b/runtime/class_table.h
index 92634a4..558c144 100644
--- a/runtime/class_table.h
+++ b/runtime/class_table.h
@@ -84,14 +84,10 @@
REQUIRES_SHARED(Locks::mutator_lock_);
// Returns the number of classes in previous snapshots.
- size_t NumZygoteClasses(ObjPtr<mirror::ClassLoader> defining_loader) const
- REQUIRES(!lock_)
- REQUIRES_SHARED(Locks::mutator_lock_);
+ size_t NumZygoteClasses() const REQUIRES(!lock_);
// Returns all off the classes in the lastest snapshot.
- size_t NumNonZygoteClasses(ObjPtr<mirror::ClassLoader> defining_loader) const
- REQUIRES(!lock_)
- REQUIRES_SHARED(Locks::mutator_lock_);
+ size_t NumNonZygoteClasses() const REQUIRES(!lock_);
// Update a class in the table with the new class. Returns the existing class which was replaced.
mirror::Class* UpdateClass(const char* descriptor, mirror::Class* new_klass, size_t hash)
@@ -177,11 +173,6 @@
private:
void InsertWithoutLocks(ObjPtr<mirror::Class> klass) NO_THREAD_SAFETY_ANALYSIS;
- size_t CountDefiningLoaderClasses(ObjPtr<mirror::ClassLoader> defining_loader,
- const ClassSet& set) const
- REQUIRES(lock_)
- REQUIRES_SHARED(Locks::mutator_lock_);
-
// Return true if we inserted the oat file, false if it already exists.
bool InsertOatFileLocked(const OatFile* oat_file)
REQUIRES(lock_)
diff --git a/test/626-const-class-linking/clear_dex_cache_types.cc b/test/626-const-class-linking/clear_dex_cache_types.cc
deleted file mode 100644
index b035896..0000000
--- a/test/626-const-class-linking/clear_dex_cache_types.cc
+++ /dev/null
@@ -1,65 +0,0 @@
-/*
- * Copyright (C) 2016 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 "jni.h"
-#include "object_lock.h"
-#include "scoped_thread_state_change-inl.h"
-
-namespace art {
-
-extern "C" JNIEXPORT void JNICALL Java_Main_nativeClearResolvedTypes(JNIEnv*, jclass, jclass cls) {
- ScopedObjectAccess soa(Thread::Current());
- mirror::DexCache* dex_cache = soa.Decode<mirror::Class>(cls)->GetDexCache();
- for (size_t i = 0, num_types = dex_cache->NumResolvedTypes(); i != num_types; ++i) {
- dex_cache->SetResolvedType(dex::TypeIndex(i), ObjPtr<mirror::Class>(nullptr));
- }
-}
-
-extern "C" JNIEXPORT void JNICALL Java_Main_nativeSkipVerification(JNIEnv*, jclass, jclass cls) {
- ScopedObjectAccess soa(Thread::Current());
- StackHandleScope<1> hs(soa.Self());
- Handle<mirror::Class> klass = hs.NewHandle(soa.Decode<mirror::Class>(cls));
- mirror::Class::Status status = klass->GetStatus();
- if (status == mirror::Class::kStatusResolved) {
- ObjectLock<mirror::Class> lock(soa.Self(), klass);
- klass->SetStatus(klass, mirror::Class::kStatusVerified, soa.Self());
- } else {
- LOG(ERROR) << klass->PrettyClass() << " has unexpected status: " << status;
- }
-}
-
-extern "C" JNIEXPORT void JNICALL Java_Main_nativeDumpClasses(JNIEnv*, jclass, jobjectArray array) {
- ScopedObjectAccess soa(Thread::Current());
- StackHandleScope<1> hs(soa.Self());
- Handle<mirror::ObjectArray<mirror::Object>> classes =
- hs.NewHandle(soa.Decode<mirror::ObjectArray<mirror::Object>>(array));
- CHECK(classes.Get() != nullptr);
- for (size_t i = 0, length = classes->GetLength(); i != length; ++i) {
- CHECK(classes->Get(i) != nullptr) << i;
- CHECK(classes->Get(i)->IsClass())
- << i << " " << classes->Get(i)->GetClass()->PrettyDescriptor();
- mirror::Class* as_class = classes->Get(i)->AsClass();
- mirror::ClassLoader* loader = as_class->GetClassLoader();
- LOG(ERROR) << "Class #" << i << ": " << as_class->PrettyDescriptor()
- << " @" << static_cast<const void*>(as_class)
- << " status:" << as_class->GetStatus()
- << " definingLoader:" << static_cast<const void*>(loader)
- << " definingLoaderClass:"
- << (loader != nullptr ? loader->GetClass()->PrettyDescriptor() : "N/A");
- }
-}
-
-} // namespace art
diff --git a/test/626-const-class-linking/expected.txt b/test/626-const-class-linking/expected.txt
deleted file mode 100644
index de1b815..0000000
--- a/test/626-const-class-linking/expected.txt
+++ /dev/null
@@ -1,61 +0,0 @@
-JNI_OnLoad called
-first: Helper1 class loader: DelegatingLoader
-second: Test class loader: DefiningLoader
-first: Helper1 class loader: DelegatingLoader
-second: Test class loader: DefiningLoader
-testClearDexCache done
-first: Helper1 class loader: DelegatingLoader
-second: Test class loader: DefiningLoader
-first: Helper2 class loader: DelegatingLoader
-second: Test class loader: DefiningLoader
-testMultiDex done
-first: Helper1 class loader: RacyLoader
-second: Test class loader: DefiningLoader
-first: Helper1 class loader: RacyLoader
-second: Test class loader: DefiningLoader
-first: Helper1 class loader: RacyLoader
-second: Test class loader: DefiningLoader
-first: Helper1 class loader: RacyLoader
-second: Test class loader: DefiningLoader
-total: 4
- throwables: 0
- classes: 4 (1 unique)
-testRacyLoader done
-first: Helper1 class loader: RacyLoader
-second: Test class loader: DefiningLoader
-first: Helper1 class loader: RacyLoader
-second: Test class loader: DefiningLoader
-first: Helper3 class loader: RacyLoader
-second: Test3 class loader: DefiningLoader
-first: Helper3 class loader: RacyLoader
-second: Test3 class loader: DefiningLoader
-total: 4
- throwables: 0
- classes: 4 (2 unique)
-testRacyLoader2 done
-java.lang.NoClassDefFoundError: Initiating class loader of type MisbehavingLoader returned class Helper2 instead of Test.
-testMisbehavingLoader done
-first: Helper1 class loader: RacyMisbehavingLoader
-second: Test class loader: DefiningLoader
-first: Helper1 class loader: RacyMisbehavingLoader
-second: Test class loader: DefiningLoader
-first: Helper1 class loader: RacyMisbehavingLoader
-second: Test class loader: DefiningLoader
-first: Helper1 class loader: RacyMisbehavingLoader
-second: Test class loader: DefiningLoader
-total: 4
- throwables: 0
- classes: 4 (1 unique)
-testRacyMisbehavingLoader done
-first: Helper1 class loader: RacyMisbehavingLoader
-second: Test class loader: DefiningLoader
-first: Helper1 class loader: RacyMisbehavingLoader
-second: Test class loader: DefiningLoader
-first: Helper1 class loader: RacyMisbehavingLoader
-second: Test class loader: DefiningLoader
-first: Helper1 class loader: RacyMisbehavingLoader
-second: Test class loader: DefiningLoader
-total: 4
- throwables: 0
- classes: 4 (1 unique)
-testRacyMisbehavingLoader2 done
diff --git a/test/626-const-class-linking/info.txt b/test/626-const-class-linking/info.txt
deleted file mode 100644
index 9c19a46..0000000
--- a/test/626-const-class-linking/info.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-Test that once a const-class instruction is linked, it will keep referring
-to the same class even in the presence of custom class loaders even after
-clearing the dex cache type array.
diff --git a/test/626-const-class-linking/multidex.jpp b/test/626-const-class-linking/multidex.jpp
deleted file mode 100644
index c7a6648..0000000
--- a/test/626-const-class-linking/multidex.jpp
+++ /dev/null
@@ -1,27 +0,0 @@
-ClassPair:
- @@com.android.jack.annotations.ForceInMainDex
- class ClassPair
-DefiningLoader:
- @@com.android.jack.annotations.ForceInMainDex
- class DefiningLoader
-DelegatingLoader:
- @@com.android.jack.annotations.ForceInMainDex
- class DelegatingLoader
-Helper1:
- @@com.android.jack.annotations.ForceInMainDex
- class Helper1
-Main:
- @@com.android.jack.annotations.ForceInMainDex
- class Main
-MisbehavingLoader:
- @@com.android.jack.annotations.ForceInMainDex
- class MisbehavingLoader
-RacyLoader:
- @@com.android.jack.annotations.ForceInMainDex
- class RacyLoader
-RacyMisbehavingHelper:
- @@com.android.jack.annotations.ForceInMainDex
- class RacyMisbehavingHelper
-RacyMisbehavingLoader:
- @@com.android.jack.annotations.ForceInMainDex
- class RacyMisbehavingLoader
diff --git a/test/626-const-class-linking/src-multidex/Helper2.java b/test/626-const-class-linking/src-multidex/Helper2.java
deleted file mode 100644
index 5bb31ee..0000000
--- a/test/626-const-class-linking/src-multidex/Helper2.java
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * Copyright (C) 2016 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.
- */
-
-public class Helper2 {
- public static ClassPair get() {
- Class<?> helper2_class = Helper2.class;
- Class<?> test_class = Test.class;
- return new ClassPair(helper2_class, test_class);
- }
-}
diff --git a/test/626-const-class-linking/src-multidex/Helper3.java b/test/626-const-class-linking/src-multidex/Helper3.java
deleted file mode 100644
index af996de..0000000
--- a/test/626-const-class-linking/src-multidex/Helper3.java
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * Copyright (C) 2016 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.
- */
-
-public class Helper3 {
- public static ClassPair get() {
- Class<?> helper3_class = Helper3.class;
- Class<?> test3_class = Test3.class;
- return new ClassPair(helper3_class, test3_class);
- }
-}
diff --git a/test/626-const-class-linking/src-multidex/Test.java b/test/626-const-class-linking/src-multidex/Test.java
deleted file mode 100644
index 1b0cc2a..0000000
--- a/test/626-const-class-linking/src-multidex/Test.java
+++ /dev/null
@@ -1,18 +0,0 @@
-/*
- * Copyright (C) 2016 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.
- */
-
-public class Test {
-}
diff --git a/test/626-const-class-linking/src-multidex/Test3.java b/test/626-const-class-linking/src-multidex/Test3.java
deleted file mode 100644
index c4b134d..0000000
--- a/test/626-const-class-linking/src-multidex/Test3.java
+++ /dev/null
@@ -1,18 +0,0 @@
-/*
- * Copyright (C) 2016 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.
- */
-
-public class Test3 {
-}
diff --git a/test/626-const-class-linking/src/ClassPair.java b/test/626-const-class-linking/src/ClassPair.java
deleted file mode 100644
index b07036c..0000000
--- a/test/626-const-class-linking/src/ClassPair.java
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- * Copyright (C) 2016 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.
- */
-
-public class ClassPair {
- public Class<?> first;
- public Class<?> second;
-
- public ClassPair(Class<?> first, Class<?> second) {
- this.first = first;
- this.second = second;
- }
-
- public void print() {
- String first_loader_name = first.getClassLoader().getClass().getName();
- System.out.println("first: " + first.getName() + " class loader: " + first_loader_name);
- String second_loader_name = second.getClassLoader().getClass().getName();
- System.out.println("second: " + second.getName() + " class loader: " + second_loader_name);
- }
-}
diff --git a/test/626-const-class-linking/src/DefiningLoader.java b/test/626-const-class-linking/src/DefiningLoader.java
deleted file mode 100644
index b17ab77..0000000
--- a/test/626-const-class-linking/src/DefiningLoader.java
+++ /dev/null
@@ -1,239 +0,0 @@
-/*
- * Copyright (C) 2016 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.
- */
-
-import java.io.File;
-import java.io.FileNotFoundException;
-import java.io.IOException;
-import java.io.RandomAccessFile;
-import java.lang.reflect.Constructor;
-import java.lang.reflect.Method;
-import java.lang.reflect.InvocationTargetException;
-
-/**
- * A class loader with atypical behavior: we try to load a private
- * class implementation before asking the system or boot loader. This
- * is used to create multiple classes with identical names in a single VM.
- *
- * If DexFile is available, we use that; if not, we assume we're not in
- * Dalvik and instantiate the class with defineClass().
- *
- * The location of the DEX files and class data is dependent upon the
- * test framework.
- */
-public class DefiningLoader extends ClassLoader {
- static {
- // For JVM, register as parallel capable.
- // Android treats all class loaders as parallel capable and makes this a no-op.
- registerAsParallelCapable();
- }
-
- /* this is where the .class files live */
- static final String CLASS_PATH1 = "classes/";
- static final String CLASS_PATH2 = "classes2/";
-
- /* this is the DEX/Jar file */
- static final String DEX_FILE = System.getenv("DEX_LOCATION") + "/626-const-class-linking.jar";
-
- /* on Dalvik, this is a DexFile; otherwise, it's null */
- private Class<?> mDexClass;
-
- private Object mDexFile;
-
- /**
- * Construct DefiningLoader, grabbing a reference to the DexFile class
- * if we're running under Dalvik.
- */
- public DefiningLoader(ClassLoader parent) {
- super(parent);
-
- try {
- mDexClass = parent.loadClass("dalvik.system.DexFile");
- } catch (ClassNotFoundException cnfe) {
- // ignore -- not running Dalvik
- }
- }
-
- /**
- * Finds the class with the specified binary name.
- *
- * We search for a file in CLASS_PATH or pull an entry from DEX_FILE.
- * If we don't find a match, we throw an exception.
- */
- protected Class<?> findClass(String name) throws ClassNotFoundException
- {
- if (mDexClass != null) {
- return findClassDalvik(name);
- } else {
- return findClassNonDalvik(name);
- }
- }
-
- /**
- * Finds the class with the specified binary name, from a DEX file.
- */
- private Class<?> findClassDalvik(String name)
- throws ClassNotFoundException {
-
- if (mDexFile == null) {
- synchronized (DefiningLoader.class) {
- Constructor<?> ctor;
- /*
- * Construct a DexFile object through reflection.
- */
- try {
- ctor = mDexClass.getConstructor(String.class);
- } catch (NoSuchMethodException nsme) {
- throw new ClassNotFoundException("getConstructor failed",
- nsme);
- }
-
- try {
- mDexFile = ctor.newInstance(DEX_FILE);
- } catch (InstantiationException ie) {
- throw new ClassNotFoundException("newInstance failed", ie);
- } catch (IllegalAccessException iae) {
- throw new ClassNotFoundException("newInstance failed", iae);
- } catch (InvocationTargetException ite) {
- throw new ClassNotFoundException("newInstance failed", ite);
- }
- }
- }
-
- /*
- * Call DexFile.loadClass(String, ClassLoader).
- */
- Method meth;
-
- try {
- meth = mDexClass.getMethod("loadClass", String.class, ClassLoader.class);
- } catch (NoSuchMethodException nsme) {
- throw new ClassNotFoundException("getMethod failed", nsme);
- }
-
- try {
- meth.invoke(mDexFile, name, this);
- } catch (IllegalAccessException iae) {
- throw new ClassNotFoundException("loadClass failed", iae);
- } catch (InvocationTargetException ite) {
- throw new ClassNotFoundException("loadClass failed",
- ite.getCause());
- }
-
- return null;
- }
-
- /**
- * Finds the class with the specified binary name, from .class files.
- */
- private Class<?> findClassNonDalvik(String name)
- throws ClassNotFoundException {
-
- String[] pathNames = { CLASS_PATH1 + name + ".class", CLASS_PATH2 + name + ".class" };
-
- String pathName = null;
- RandomAccessFile raf = null;
-
- for (String pn : pathNames) {
- pathName = pn;
- try {
- //System.out.println("--- Defining: looking for " + pathName);
- raf = new RandomAccessFile(new File(pathName), "r");
- break;
- } catch (FileNotFoundException fnfe) {
- }
- }
- if (raf == null) {
- throw new ClassNotFoundException("Not found: " + pathNames[0] + ":" + pathNames[1]);
- }
-
- /* read the entire file in */
- byte[] fileData;
- try {
- fileData = new byte[(int) raf.length()];
- raf.readFully(fileData);
- } catch (IOException ioe) {
- throw new ClassNotFoundException("Read error: " + pathName);
- } finally {
- try {
- raf.close();
- } catch (IOException ioe) {
- // drop
- }
- }
-
- /* create the class */
- //System.out.println("--- Defining: defining " + name);
- try {
- return defineClass(name, fileData, 0, fileData.length);
- } catch (Throwable th) {
- throw new ClassNotFoundException("defineClass failed", th);
- }
- }
-
- /**
- * Load a class.
- *
- * Normally a class loader wouldn't override this, but we want our
- * version of the class to take precedence over an already-loaded
- * version.
- *
- * We still want the system classes (e.g. java.lang.Object) from the
- * bootstrap class loader.
- */
- synchronized protected Class<?> loadClass(String name, boolean resolve)
- throws ClassNotFoundException
- {
- Class<?> res;
-
- /*
- * 1. Invoke findLoadedClass(String) to check if the class has
- * already been loaded.
- *
- * This doesn't change.
- */
- res = findLoadedClass(name);
- if (res != null) {
- // System.out.println("FancyLoader.loadClass: " + name + " already loaded");
- if (resolve)
- resolveClass(res);
- return res;
- }
-
- /*
- * 3. Invoke the findClass(String) method to find the class.
- */
- try {
- res = findClass(name);
- if (resolve)
- resolveClass(res);
- }
- catch (ClassNotFoundException e) {
- // we couldn't find it, so eat the exception and keep going
- }
-
- /*
- * 2. Invoke the loadClass method on the parent class loader. If
- * the parent loader is null the class loader built-in to the
- * virtual machine is used, instead.
- *
- * (Since we're not in java.lang, we can't actually invoke the
- * parent's loadClass() method, but we passed our parent to the
- * super-class which can take care of it for us.)
- */
- res = super.loadClass(name, resolve); // returns class or throws
- return res;
- }
-}
diff --git a/test/626-const-class-linking/src/DelegatingLoader.java b/test/626-const-class-linking/src/DelegatingLoader.java
deleted file mode 100644
index 49955d4..0000000
--- a/test/626-const-class-linking/src/DelegatingLoader.java
+++ /dev/null
@@ -1,45 +0,0 @@
-/*
- * Copyright (C) 2016 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.
- */
-
-public class DelegatingLoader extends DefiningLoader {
- private DefiningLoader defining_loader;
-
- public DelegatingLoader(ClassLoader parent, DefiningLoader defining_loader) {
- super(parent);
- this.defining_loader = defining_loader;
- }
-
- public void resetDefiningLoader(DefiningLoader defining_loader) {
- this.defining_loader = defining_loader;
- }
-
- protected Class<?> findClass(String name) throws ClassNotFoundException
- {
- if (name.equals("Test")) {
- throw new Error("Unexpected DelegatingLoader.findClass(\"Test\")");
- }
- return super.findClass(name);
- }
-
- protected Class<?> loadClass(String name, boolean resolve)
- throws ClassNotFoundException
- {
- if (name.equals("Test")) {
- return defining_loader.loadClass(name, resolve);
- }
- return super.loadClass(name, resolve);
- }
-}
diff --git a/test/626-const-class-linking/src/Helper1.java b/test/626-const-class-linking/src/Helper1.java
deleted file mode 100644
index ff9cd1a..0000000
--- a/test/626-const-class-linking/src/Helper1.java
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * Copyright (C) 2016 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.
- */
-
-public class Helper1 {
- public static ClassPair get() {
- Class<?> helper1_class = Helper1.class;
- Class<?> test_class = Test.class;
- return new ClassPair(helper1_class, test_class);
- }
-}
diff --git a/test/626-const-class-linking/src/Main.java b/test/626-const-class-linking/src/Main.java
deleted file mode 100644
index 0029428..0000000
--- a/test/626-const-class-linking/src/Main.java
+++ /dev/null
@@ -1,354 +0,0 @@
-/*
- * Copyright (C) 2016 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.
- */
-
-import java.lang.ref.WeakReference;
-import java.lang.reflect.Field;
-import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
-import java.util.ArrayList;
-
-public class Main {
- public static void main(String[] args) throws Exception {
- try {
- System.loadLibrary(args[0]);
- } catch (UnsatisfiedLinkError ule) {
- usingRI = true;
- // Add expected JNI_OnLoad log line to match expected.txt.
- System.out.println("JNI_OnLoad called");
- }
-
- testClearDexCache();
- testMultiDex();
- testRacyLoader();
- testRacyLoader2();
- testMisbehavingLoader();
- testRacyMisbehavingLoader();
- testRacyMisbehavingLoader2();
- }
-
- private static void testClearDexCache() throws Exception {
- DelegatingLoader delegating_loader = createDelegatingLoader();
- Class<?> helper = delegating_loader.loadClass("Helper1");
-
- WeakReference<Class<?>> weak_test1 = wrapHelperGet(helper);
- changeInner(delegating_loader);
- clearResolvedTypes(helper);
- Runtime.getRuntime().gc();
- WeakReference<Class<?>> weak_test2 = wrapHelperGet(helper);
- Runtime.getRuntime().gc();
-
- Class<?> test1 = weak_test1.get();
- if (test1 == null) {
- System.out.println("test1 disappeared");
- }
- Class<?> test2 = weak_test2.get();
- if (test2 == null) {
- System.out.println("test2 disappeared");
- }
- if (test1 != test2) {
- System.out.println("test1 != test2");
- }
-
- System.out.println("testClearDexCache done");
- }
-
- private static void testMultiDex() throws Exception {
- DelegatingLoader delegating_loader = createDelegatingLoader();
-
- Class<?> helper1 = delegating_loader.loadClass("Helper1");
- WeakReference<Class<?>> weak_test1 = wrapHelperGet(helper1);
-
- changeInner(delegating_loader);
-
- Class<?> helper2 = delegating_loader.loadClass("Helper2");
- WeakReference<Class<?>> weak_test2 = wrapHelperGet(helper2);
-
- Runtime.getRuntime().gc();
-
- Class<?> test1 = weak_test1.get();
- if (test1 == null) {
- System.out.println("test1 disappeared");
- }
- Class<?> test2 = weak_test2.get();
- if (test2 == null) {
- System.out.println("test2 disappeared");
- }
- if (test1 != test2) {
- System.out.println("test1 != test2");
- }
-
- System.out.println("testMultiDex done");
- }
-
- private static void testMisbehavingLoader() throws Exception {
- ClassLoader system_loader = ClassLoader.getSystemClassLoader();
- DefiningLoader defining_loader = new DefiningLoader(system_loader);
- MisbehavingLoader misbehaving_loader =
- new MisbehavingLoader(system_loader, defining_loader);
- Class<?> helper = misbehaving_loader.loadClass("Helper1");
-
- try {
- WeakReference<Class<?>> weak_test = wrapHelperGet(helper);
- } catch (InvocationTargetException ite) {
- String message = ite.getCause().getMessage();
- if (usingRI && "Test".equals(message)) {
- // Replace RI message with dalvik message to match expected.txt.
- message = "Initiating class loader of type " +
- misbehaving_loader.getClass().getName() +
- " returned class Helper2 instead of Test.";
- }
- System.out.println(ite.getCause().getClass().getName() + ": " + message);
- }
- System.out.println("testMisbehavingLoader done");
- }
-
- private static void testRacyLoader() throws Exception {
- final ClassLoader system_loader = ClassLoader.getSystemClassLoader();
-
- final Thread[] threads = new Thread[4];
- final Object[] results = new Object[threads.length];
-
- final RacyLoader racy_loader = new RacyLoader(system_loader, threads.length);
- final Class<?> helper1 = racy_loader.loadClass("Helper1");
- skipVerification(helper1); // Avoid class loading during verification.
-
- for (int i = 0; i != threads.length; ++i) {
- final int my_index = i;
- Thread t = new Thread() {
- public void run() {
- try {
- Method get = helper1.getDeclaredMethod("get");
- results[my_index] = get.invoke(null);
- } catch (InvocationTargetException ite) {
- results[my_index] = ite.getCause();
- } catch (Throwable t) {
- results[my_index] = t;
- }
- }
- };
- t.start();
- threads[i] = t;
- }
- for (Thread t : threads) {
- t.join();
- }
- dumpResultStats(results, 1);
- System.out.println("testRacyLoader done");
- }
-
- private static void testRacyLoader2() throws Exception {
- final ClassLoader system_loader = ClassLoader.getSystemClassLoader();
-
- final Thread[] threads = new Thread[4];
- final Object[] results = new Object[threads.length];
-
- final RacyLoader racy_loader = new RacyLoader(system_loader, threads.length);
- final Class<?> helper1 = racy_loader.loadClass("Helper1");
- skipVerification(helper1); // Avoid class loading during verification.
- final Class<?> helper3 = racy_loader.loadClass("Helper3");
- skipVerification(helper3); // Avoid class loading during verification.
-
- for (int i = 0; i != threads.length; ++i) {
- final int my_index = i;
- Thread t = new Thread() {
- public void run() {
- try {
- Class<?> helper = (my_index < threads.length / 2) ? helper1 : helper3;
- Method get = helper.getDeclaredMethod("get");
- results[my_index] = get.invoke(null);
- } catch (InvocationTargetException ite) {
- results[my_index] = ite.getCause();
- } catch (Throwable t) {
- results[my_index] = t;
- }
- }
- };
- t.start();
- threads[i] = t;
- }
- for (Thread t : threads) {
- t.join();
- }
- dumpResultStats(results, 2);
- System.out.println("testRacyLoader2 done");
- }
-
- private static void testRacyMisbehavingLoader() throws Exception {
- final ClassLoader system_loader = ClassLoader.getSystemClassLoader();
-
- final Thread[] threads = new Thread[4];
- final Object[] results = new Object[threads.length];
-
- final RacyMisbehavingLoader racy_loader =
- new RacyMisbehavingLoader(system_loader, threads.length, false);
- final Class<?> helper1 = racy_loader.loadClass("RacyMisbehavingHelper");
- skipVerification(helper1); // Avoid class loading during verification.
-
- for (int i = 0; i != threads.length; ++i) {
- final int my_index = i;
- Thread t = new Thread() {
- public void run() {
- try {
- Method get = helper1.getDeclaredMethod("get");
- results[my_index] = get.invoke(null);
- } catch (InvocationTargetException ite) {
- results[my_index] = ite.getCause();
- } catch (Throwable t) {
- results[my_index] = t;
- }
- }
- };
- t.start();
- threads[i] = t;
- }
- for (Thread t : threads) {
- t.join();
- }
- dumpResultStats(results, 1);
- System.out.println("testRacyMisbehavingLoader done");
- }
-
- private static void testRacyMisbehavingLoader2() throws Exception {
- final ClassLoader system_loader = ClassLoader.getSystemClassLoader();
-
- final Thread[] threads = new Thread[4];
- final Object[] results = new Object[threads.length];
-
- final RacyMisbehavingLoader racy_loader =
- new RacyMisbehavingLoader(system_loader, threads.length, true);
- final Class<?> helper1 = racy_loader.loadClass("RacyMisbehavingHelper");
- skipVerification(helper1); // Avoid class loading during verification.
-
- for (int i = 0; i != threads.length; ++i) {
- final int my_index = i;
- Thread t = new Thread() {
- public void run() {
- try {
- Method get = helper1.getDeclaredMethod("get");
- results[my_index] = get.invoke(null);
- } catch (InvocationTargetException ite) {
- results[my_index] = ite.getCause();
- } catch (Throwable t) {
- results[my_index] = t;
- }
- }
- };
- t.start();
- threads[i] = t;
- }
- for (Thread t : threads) {
- t.join();
- }
- dumpResultStats(results, 1);
- System.out.println("testRacyMisbehavingLoader2 done");
- }
-
- private static void dumpResultStats(Object[] results, int expected_unique) throws Exception {
- int throwables = 0;
- int classes = 0;
- int unique_classes = 0;
- for (int i = 0; i != results.length; ++i) {
- Object r = results[i];
- if (r instanceof Throwable) {
- ++throwables;
- System.out.println(((Throwable) r).getMessage());
- } else if (isClassPair(r)) {
- printPair(r);
- Object ref = getSecond(r);
- ++classes;
- ++unique_classes;
- for (int j = 0; j != i; ++j) {
- Object rj = results[j];
- if (isClassPair(results[j]) && getSecond(results[j]) == ref) {
- --unique_classes;
- break;
- }
- }
- }
- }
- System.out.println("total: " + results.length);
- System.out.println(" throwables: " + throwables);
- System.out.println(" classes: " + classes
- + " (" + unique_classes + " unique)");
- if (expected_unique != unique_classes) {
- System.out.println("MISMATCH with expected_unique: " + expected_unique);
- ArrayList<Class<?>> list = new ArrayList<Class<?>>();
- for (int i = 0; i != results.length; ++i) {
- Object r = results[i];
- if (isClassPair(r)) {
- list.add(getSecond(r));
- }
- }
- nativeDumpClasses(list.toArray());
- }
- }
-
- private static DelegatingLoader createDelegatingLoader() {
- ClassLoader system_loader = ClassLoader.getSystemClassLoader();
- DefiningLoader defining_loader = new DefiningLoader(system_loader);
- return new DelegatingLoader(system_loader, defining_loader);
- }
-
- private static void changeInner(DelegatingLoader delegating_loader) {
- ClassLoader system_loader = ClassLoader.getSystemClassLoader();
- DefiningLoader defining_loader = new DefiningLoader(system_loader);
- delegating_loader.resetDefiningLoader(defining_loader);
- }
-
- private static WeakReference<Class<?>> wrapHelperGet(Class<?> helper) throws Exception {
- Method get = helper.getDeclaredMethod("get");
- Object pair = get.invoke(null);
- printPair(pair);
- return new WeakReference<Class<?>>(getSecond(pair));
- }
-
- private static void printPair(Object pair) throws Exception {
- Method print = pair.getClass().getDeclaredMethod("print");
- print.invoke(pair);
- }
-
- private static Class<?> getSecond(Object pair) throws Exception {
- Field second = pair.getClass().getDeclaredField("second");
- return (Class<?>) second.get(pair);
- }
-
- private static boolean isClassPair(Object r) {
- return r != null && r.getClass().getName().equals("ClassPair");
- }
-
- public static void clearResolvedTypes(Class<?> c) {
- if (!usingRI) {
- nativeClearResolvedTypes(c);
- }
- }
-
- // Skip verification of a class on ART. Verification can cause classes to be loaded
- // while holding a lock on the class being verified and holding that lock can interfere
- // with the intent of the "racy" tests. In these tests we're waiting in the loadClass()
- // for all the tested threads to synchronize and they cannot reach that point if they
- // are waiting for the class lock on ClassLinker::InitializeClass(Helper1/Helper3).
- public static void skipVerification(Class<?> c) {
- if (!usingRI) {
- nativeSkipVerification(c);
- }
- }
-
- public static native void nativeClearResolvedTypes(Class<?> c);
- public static native void nativeSkipVerification(Class<?> c);
- public static native void nativeDumpClasses(Object[] array);
-
- static boolean usingRI = false;
-}
diff --git a/test/626-const-class-linking/src/MisbehavingLoader.java b/test/626-const-class-linking/src/MisbehavingLoader.java
deleted file mode 100644
index ca9783e..0000000
--- a/test/626-const-class-linking/src/MisbehavingLoader.java
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
- * Copyright (C) 2016 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.
- */
-
-// Class loader that returns Helper2.class when asked to load "Test".
-public class MisbehavingLoader extends DefiningLoader {
- private DefiningLoader defining_loader;
-
- public MisbehavingLoader(ClassLoader parent, DefiningLoader defining_loader) {
- super(parent);
- this.defining_loader = defining_loader;
- }
-
- protected Class<?> findClass(String name) throws ClassNotFoundException
- {
- if (name.equals("Helper1") || name.equals("Helper2")) {
- return super.findClass(name);
- } else if (name.equals("Test")) {
- throw new Error("Unexpected MisbehavingLoader.findClass(\"Test\")");
- }
- return super.findClass(name);
- }
-
- protected Class<?> loadClass(String name, boolean resolve)
- throws ClassNotFoundException
- {
- if (name.equals("Helper1") || name.equals("Helper2")) {
- return super.loadClass(name, resolve);
- } else if (name.equals("Test")) {
- // Ask for a different class.
- return defining_loader.loadClass("Helper2", resolve);
- }
- return super.loadClass(name, resolve);
- }
-}
diff --git a/test/626-const-class-linking/src/RacyLoader.java b/test/626-const-class-linking/src/RacyLoader.java
deleted file mode 100644
index 9c164a3..0000000
--- a/test/626-const-class-linking/src/RacyLoader.java
+++ /dev/null
@@ -1,78 +0,0 @@
-/*
- * Copyright (C) 2016 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.
- */
-
-public class RacyLoader extends DefiningLoader {
- static {
- // For JVM, register as parallel capable.
- // Android treats all class loaders as parallel capable and makes this a no-op.
- registerAsParallelCapable();
- }
-
- private Object lock = new Object();
- private int index = 0;
- private int count;
-
- private DefiningLoader[] defining_loaders;
-
- public RacyLoader(ClassLoader parent, int count) {
- super(parent);
- this.count = count;
- defining_loaders = new DefiningLoader[2];
- for (int i = 0; i != defining_loaders.length; ++i) {
- defining_loaders[i] = new DefiningLoader(parent);
- }
- }
-
- protected Class<?> findClass(String name) throws ClassNotFoundException
- {
- if (name.equals("Test") || name.equals("Test3")) {
- throw new Error("Unexpected RacyLoader.findClass(\"" + name + "\")");
- }
- return super.findClass(name);
- }
-
- protected Class<?> loadClass(String name, boolean resolve)
- throws ClassNotFoundException
- {
- if (name.equals("Test") || name.equals("Test3")) {
- int my_index = syncWithOtherInstances(count);
- Class<?> result = defining_loaders[my_index & 1].loadClass(name, resolve);
- syncWithOtherInstances(2 * count);
- return result;
- }
- return super.loadClass(name, resolve);
- }
-
- private int syncWithOtherInstances(int limit) {
- int my_index;
- synchronized (lock) {
- my_index = index;
- ++index;
- if (index != limit) {
- do {
- try {
- lock.wait();
- } catch (InterruptedException ie) {
- throw new Error(ie);
- }
- } while (index < limit);
- } else {
- lock.notifyAll();
- }
- }
- return my_index;
- }
-}
diff --git a/test/626-const-class-linking/src/RacyMisbehavingHelper.java b/test/626-const-class-linking/src/RacyMisbehavingHelper.java
deleted file mode 100644
index 4525278..0000000
--- a/test/626-const-class-linking/src/RacyMisbehavingHelper.java
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- * Copyright (C) 2016 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.
- */
-
-import java.lang.reflect.Method;
-
-public class RacyMisbehavingHelper {
- public static ClassPair get() {
- Class<?> helper1_class = Helper1.class;
- Class<?> test_class = Test.class;
- try {
- // After loading the correct class, allow loading the incorrect class.
- ClassLoader loader = helper1_class.getClassLoader();
- Method reportAfterLoading = loader.getClass().getDeclaredMethod("reportAfterLoading");
- reportAfterLoading.invoke(loader);
- } catch (Throwable t) {
- t.printStackTrace();
- }
- return new ClassPair(helper1_class, test_class);
- }
-}
diff --git a/test/626-const-class-linking/src/RacyMisbehavingLoader.java b/test/626-const-class-linking/src/RacyMisbehavingLoader.java
deleted file mode 100644
index f5bcb4c..0000000
--- a/test/626-const-class-linking/src/RacyMisbehavingLoader.java
+++ /dev/null
@@ -1,99 +0,0 @@
-/*
- * Copyright (C) 2016 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.
- */
-
-public class RacyMisbehavingLoader extends DefiningLoader {
- static {
- // For JVM, register as parallel capable.
- // Android treats all class loaders as parallel capable and makes this a no-op.
- registerAsParallelCapable();
- }
-
- private Object lock = new Object();
- private int index = 0;
- private int count;
- private boolean throw_error;
-
- private DefiningLoader[] defining_loaders;
-
- public RacyMisbehavingLoader(ClassLoader parent, int count, boolean throw_error) {
- super(parent);
- this.count = count;
- this.throw_error = throw_error;
- defining_loaders = new DefiningLoader[2];
- for (int i = 0; i != defining_loaders.length; ++i) {
- defining_loaders[i] = new DefiningLoader(parent);
- }
- }
-
- public void reportAfterLoading() {
- synchronized (lock) {
- ++index;
- if (index == 2 * count) {
- lock.notifyAll();
- }
- }
- }
-
- protected Class<?> findClass(String name) throws ClassNotFoundException
- {
- if (name.equals("Test")) {
- throw new Error("Unexpected RacyLoader.findClass(\"" + name + "\")");
- }
- return super.findClass(name);
- }
-
- protected Class<?> loadClass(String name, boolean resolve)
- throws ClassNotFoundException
- {
- if (name.equals("Test")) {
- int my_index = syncWithOtherInstances(count);
- Class<?> result;
- if ((my_index & 1) == 0) {
- // Do not delay loading the correct class.
- result = defining_loaders[my_index & 1].loadClass(name, resolve);
- } else {
- // Delay loading the wrong class.
- syncWithOtherInstances(2 * count);
- if (throw_error) {
- throw new Error("RacyMisbehavingLoader throw_error=true");
- }
- result = defining_loaders[my_index & 1].loadClass("Test3", resolve);
- }
- return result;
- }
- return super.loadClass(name, resolve);
- }
-
- private int syncWithOtherInstances(int limit) {
- int my_index;
- synchronized (lock) {
- my_index = index;
- ++index;
- if (index != limit) {
- do {
- try {
- lock.wait();
- } catch (InterruptedException ie) {
- throw new Error(ie);
- }
- } while (index < limit);
- } else {
- lock.notifyAll();
- }
- }
- return my_index;
- }
-}
diff --git a/test/Android.bp b/test/Android.bp
index 39a4059..fe20f29 100644
--- a/test/Android.bp
+++ b/test/Android.bp
@@ -314,7 +314,6 @@
"595-profile-saving/profile-saving.cc",
"596-app-images/app_images.cc",
"597-deopt-new-string/deopt.cc",
- "626-const-class-linking/clear_dex_cache_types.cc",
],
shared_libs: [
"libbacktrace",
diff --git a/test/etc/default-build b/test/etc/default-build
index 408dcfd..e663496 100755
--- a/test/etc/default-build
+++ b/test/etc/default-build
@@ -273,10 +273,8 @@
fi
# Create a single jar with two dex files for multidex.
-if [ ${NEED_DEX} = "true" ]; then
- if [ ${HAS_SRC_MULTIDEX} = "true" ] || [ ${HAS_SMALI_MULTIDEX} = "true" ]; then
- zip $TEST_NAME.jar classes.dex classes2.dex
- else
- zip $TEST_NAME.jar classes.dex
- fi
+if [ ${HAS_SRC_MULTIDEX} = "true" ] || [ ${HAS_SMALI_MULTIDEX} = "true" ]; then
+ zip $TEST_NAME.jar classes.dex classes2.dex
+elif [ ${NEED_DEX} = "true" ]; then
+ zip $TEST_NAME.jar classes.dex
fi
diff --git a/test/etc/run-test-jar b/test/etc/run-test-jar
index f0abb44..bb3a3ad 100755
--- a/test/etc/run-test-jar
+++ b/test/etc/run-test-jar
@@ -316,8 +316,7 @@
if [ "$USE_JVM" = "y" ]; then
export LD_LIBRARY_PATH=${ANDROID_HOST_OUT}/lib64
# Xmx is necessary since we don't pass down the ART flags to JVM.
- # We pass the classes2 path whether it's used (src-multidex) or not.
- cmdline="${JAVA} ${DEBUGGER_OPTS} ${JVM_VERIFY_ARG} -Xmx256m -classpath classes:classes2 ${FLAGS} $MAIN $@ ${ARGS}"
+ cmdline="${JAVA} ${DEBUGGER_OPTS} ${JVM_VERIFY_ARG} -Xmx256m -classpath classes ${FLAGS} $MAIN $@ ${ARGS}"
if [ "$DEV_MODE" = "y" ]; then
echo $cmdline
fi
