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83 lines
2.6 KiB
83 lines
2.6 KiB
/*
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* Copyright (C) 2017 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_RUNTIME_GC_VERIFICATION_H_
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#define ART_RUNTIME_GC_VERIFICATION_H_
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#include "obj_ptr.h"
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#include "offsets.h"
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namespace art {
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namespace mirror {
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class Class;
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class Object;
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} // namespace mirror
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namespace gc {
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namespace space {
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class Space;
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} // namespace space
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class Heap;
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class Verification {
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public:
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explicit Verification(gc::Heap* heap) : heap_(heap) {}
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// Dump some reveant to debugging info about an object.
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std::string DumpObjectInfo(const void* obj, const char* tag) const
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REQUIRES_SHARED(Locks::mutator_lock_);
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// Don't use ObjPtr for things that might not be aligned like the invalid reference.
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void LogHeapCorruption(ObjPtr<mirror::Object> holder,
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MemberOffset offset,
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mirror::Object* ref,
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bool fatal) const REQUIRES_SHARED(Locks::mutator_lock_);
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// Return true if the klass is likely to be a valid mirror::Class.
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bool IsValidClass(const void* klass) const REQUIRES_SHARED(Locks::mutator_lock_);
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// Does not allow null, checks alignment.
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bool IsValidHeapObjectAddress(const void* addr, space::Space** out_space = nullptr) const
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REQUIRES_SHARED(Locks::mutator_lock_);
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// Find the first path to the target from the root set. Should be called while paused since
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// visiting roots is not safe otherwise.
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std::string FirstPathFromRootSet(ObjPtr<mirror::Object> target) const
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REQUIRES_SHARED(Locks::mutator_lock_);
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// Does not check alignment, used by DumpRAMAroundAddress.
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bool IsAddressInHeapSpace(const void* addr, space::Space** out_space = nullptr) const
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REQUIRES_SHARED(Locks::mutator_lock_);
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// Dump bytes of RAM before and after an address.
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std::string DumpRAMAroundAddress(uintptr_t addr, uintptr_t bytes) const
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REQUIRES_SHARED(Locks::mutator_lock_);
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private:
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gc::Heap* const heap_;
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class BFSFindReachable;
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class CollectRootVisitor;
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};
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} // namespace gc
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} // namespace art
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#endif // ART_RUNTIME_GC_VERIFICATION_H_
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