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