mirror of
https://github.com/openharmony/ark_runtime_core.git
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wanyanglan
14c9021696
Signed-off-by: wanyanglan <wanyanglan1@huawei.com> Change-Id: I2564094cef9c6c41263e37faf9ffbbec14223dc7
102 lines
3.5 KiB
C++
102 lines
3.5 KiB
C++
/*
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* Copyright (c) 2021 Huawei Device Co., Ltd.
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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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#include "runtime/include/language_context.h"
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#include "runtime/include/class_root.h"
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#include "runtime/include/runtime.h"
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#include "runtime/include/panda_vm.h"
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#include "runtime/mem/gc/gc_root.h"
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#include "runtime/mem/heap_manager.h"
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#include "runtime/mem/heap_verifier.h"
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namespace panda::mem {
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// Should be called only with MutatorLock held
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template <class LanguageConfig>
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size_t HeapVerifier<LanguageConfig>::VerifyAllPaused() const
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{
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Rendezvous *rendezvous = Runtime::GetCurrent()->GetPandaVM()->GetRendezvous();
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rendezvous->SafepointBegin();
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size_t fail_count = VerifyAll();
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rendezvous->SafepointEnd();
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return fail_count;
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}
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template <LangTypeT LangType>
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void HeapObjectVerifier<LangType>::operator()(ObjectHeader *obj)
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{
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HeapReferenceVerifier ref_verifier(HEAP, FAIL_COUNT);
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ObjectHelpers<LangType>::TraverseAllObjects(obj, ref_verifier);
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}
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void HeapReferenceVerifier::operator()([[maybe_unused]] ObjectHeader *object_header, ObjectHeader *referent)
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{
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auto obj_allocator = HEAP->GetObjectAllocator().AsObjectAllocator();
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if (!obj_allocator->IsLive(referent)) {
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LOG_HEAP_VERIFIER(ERROR) << "Heap corruption found! Heap references a dead object at " << referent;
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++(*FAIL_COUNT);
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}
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}
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void HeapReferenceVerifier::operator()(const GCRoot &root)
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{
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auto obj_allocator = HEAP->GetObjectAllocator().AsObjectAllocator();
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auto referent = root.GetObjectHeader();
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if (!obj_allocator->IsLive(referent)) {
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LOG_HEAP_VERIFIER(ERROR) << "Heap corruption found! Root references a dead object at " << referent;
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++(*FAIL_COUNT);
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}
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}
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template <class LanguageConfig>
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bool HeapVerifier<LanguageConfig>::IsValidObjectAddress(void *addr) const
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{
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return IsAligned<DEFAULT_ALIGNMENT_IN_BYTES>(ToUintPtr(addr)) && IsHeapAddress(addr);
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}
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template <class LanguageConfig>
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bool HeapVerifier<LanguageConfig>::IsHeapAddress(void *addr) const
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{
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return heap_->GetObjectAllocator().AsObjectAllocator()->ContainObject(reinterpret_cast<ObjectHeader *>(addr));
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}
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template <class LanguageConfig>
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size_t HeapVerifier<LanguageConfig>::VerifyHeap() const
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{
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return heap_->VerifyHeapReferences();
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}
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template <class LanguageConfig>
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size_t HeapVerifier<LanguageConfig>::VerifyRoot() const
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{
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RootManager<LanguageConfig> root_manager;
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size_t fail_count = 0;
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root_manager.SetPandaVM(heap_->GetPandaVM());
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root_manager.VisitNonHeapRoots([this, &fail_count](const GCRoot &root) {
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if (root.GetType() == RootType::ROOT_FRAME || root.GetType() == RootType::ROOT_THREAD) {
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auto base_cls = root.GetObjectHeader()->ClassAddr<BaseClass>();
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if (!(!base_cls->IsDynamicClass() && static_cast<Class *>(base_cls)->IsClassClass())) {
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HeapReferenceVerifier(heap_, &fail_count)(root);
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}
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}
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});
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return fail_count;
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}
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template class HeapVerifier<PandaAssemblyLanguageConfig>;
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} // namespace panda::mem
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