57 lines
1.9 KiB
C++
57 lines
1.9 KiB
C++
/*
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* Copyright (C) 2011 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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#include "managed_stack-inl.h"
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#include "android-base/stringprintf.h"
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#include "art_method.h"
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#include "mirror/object.h"
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#include "stack_reference.h"
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namespace art {
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size_t ManagedStack::NumJniShadowFrameReferences() const {
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size_t count = 0;
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for (const ManagedStack* current_fragment = this; current_fragment != nullptr;
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current_fragment = current_fragment->GetLink()) {
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for (ShadowFrame* current_frame = current_fragment->top_shadow_frame_;
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current_frame != nullptr;
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current_frame = current_frame->GetLink()) {
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if (current_frame->GetMethod()->IsNative()) {
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// The JNI ShadowFrame only contains references. (For indirect reference.)
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count += current_frame->NumberOfVRegs();
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}
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}
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}
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return count;
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}
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bool ManagedStack::ShadowFramesContain(StackReference<mirror::Object>* shadow_frame_entry) const {
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for (const ManagedStack* current_fragment = this; current_fragment != nullptr;
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current_fragment = current_fragment->GetLink()) {
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for (ShadowFrame* current_frame = current_fragment->top_shadow_frame_;
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current_frame != nullptr;
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current_frame = current_frame->GetLink()) {
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if (current_frame->Contains(shadow_frame_entry)) {
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return true;
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}
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}
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}
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return false;
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}
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} // namespace art
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