114 lines
3.6 KiB
C++
114 lines
3.6 KiB
C++
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ART_OPENJDKJVMTI_TI_HEAP_H_
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#define ART_OPENJDKJVMTI_TI_HEAP_H_
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#include <unordered_map>
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#include "jvmti.h"
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#include "base/locks.h"
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namespace art {
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class Thread;
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template<typename T> class ObjPtr;
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class HashObjPtr;
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namespace mirror {
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class Object;
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} // namespace mirror
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} // namespace art
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namespace openjdkjvmti {
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class EventHandler;
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class ObjectTagTable;
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class HeapUtil {
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public:
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explicit HeapUtil(ObjectTagTable* tags) : tags_(tags) {
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}
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jvmtiError GetLoadedClasses(jvmtiEnv* env, jint* class_count_ptr, jclass** classes_ptr);
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jvmtiError IterateOverInstancesOfClass(jvmtiEnv* env,
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jclass klass,
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jvmtiHeapObjectFilter filter,
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jvmtiHeapObjectCallback cb,
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const void* user_data);
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jvmtiError IterateThroughHeap(jvmtiEnv* env,
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jint heap_filter,
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jclass klass,
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const jvmtiHeapCallbacks* callbacks,
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const void* user_data);
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jvmtiError FollowReferences(jvmtiEnv* env,
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jint heap_filter,
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jclass klass,
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jobject initial_object,
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const jvmtiHeapCallbacks* callbacks,
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const void* user_data);
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static jvmtiError ForceGarbageCollection(jvmtiEnv* env);
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ObjectTagTable* GetTags() {
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return tags_;
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}
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static void Register();
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static void Unregister();
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private:
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ObjectTagTable* tags_;
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};
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class HeapExtensions {
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public:
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static void Register(EventHandler* eh);
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static jvmtiError JNICALL GetObjectHeapId(jvmtiEnv* env, jlong tag, jint* heap_id, ...);
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static jvmtiError JNICALL GetHeapName(jvmtiEnv* env, jint heap_id, char** heap_name, ...);
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static jvmtiError JNICALL IterateThroughHeapExt(jvmtiEnv* env,
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jint heap_filter,
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jclass klass,
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const jvmtiHeapCallbacks* callbacks,
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const void* user_data);
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static jvmtiError JNICALL ChangeArraySize(jvmtiEnv* env, jobject arr, jsize new_size);
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static void ReplaceReferences(
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art::Thread* self,
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const std::unordered_map<art::ObjPtr<art::mirror::Object>,
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art::ObjPtr<art::mirror::Object>,
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art::HashObjPtr>& refs)
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REQUIRES(art::Locks::mutator_lock_, art::Roles::uninterruptible_);
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static void ReplaceReference(art::Thread* self,
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art::ObjPtr<art::mirror::Object> original,
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art::ObjPtr<art::mirror::Object> replacement)
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REQUIRES(art::Locks::mutator_lock_,
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art::Roles::uninterruptible_);
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private:
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static EventHandler* gEventHandler;
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};
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} // namespace openjdkjvmti
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#endif // ART_OPENJDKJVMTI_TI_HEAP_H_
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