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/*
* Copyright 2021 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_INL_H_
#define ART_RUNTIME_GC_VERIFICATION_INL_H_
#include "verification.h"
#include "mirror/class-inl.h"
namespace art HIDDEN {
namespace gc {
template <ReadBarrierOption kReadBarrierOption>
bool Verification::IsValidClassUnchecked(mirror::Class* klass) const {
mirror::Class* k1 = klass->GetClass<kVerifyNone, kReadBarrierOption>();
if (!IsValidHeapObjectAddress(k1)) {
return false;
}
// `k1` should be class class, take the class again to verify.
// Note that this check may not be valid for the no image space
// since the class class might move around from moving GC.
mirror::Class* k2 = k1->GetClass<kVerifyNone, kReadBarrierOption>();
if (!IsValidHeapObjectAddress(k2)) {
return false;
}
return k1 == k2;
}
template <ReadBarrierOption kReadBarrierOption>
bool Verification::IsValidClass(mirror::Class* klass) const {
if (!IsValidHeapObjectAddress(klass)) {
return false;
}
return IsValidClassUnchecked<kReadBarrierOption>(klass);
}
template <ReadBarrierOption kReadBarrierOption>
bool Verification::IsValidObject(mirror::Object* obj) const {
if (!IsValidHeapObjectAddress(obj)) {
return false;
}
mirror::Class* klass = obj->GetClass<kVerifyNone, kReadBarrierOption>();
return IsValidClass(klass);
}
} // namespace gc
} // namespace art
#endif // ART_RUNTIME_GC_VERIFICATION_INL_H_
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