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