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