66 lines
2 KiB
C++
66 lines
2 KiB
C++
/*
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* Copyright (C) 2015 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 "arch/context.h"
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#include "art_method-inl.h"
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#include "jni.h"
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#include "scoped_thread_state_change-inl.h"
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#include "stack.h"
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#include "thread.h"
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namespace art {
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namespace {
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class TestVisitor : public StackVisitor {
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public:
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TestVisitor(const ScopedObjectAccess& soa, Context* context, jobject expected_value)
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REQUIRES_SHARED(Locks::mutator_lock_)
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: StackVisitor(soa.Self(), context, StackVisitor::StackWalkKind::kIncludeInlinedFrames),
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expected_value_(expected_value),
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found_(false),
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soa_(soa) {}
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bool VisitFrame() REQUIRES_SHARED(Locks::mutator_lock_) {
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ArtMethod* m = GetMethod();
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std::string m_name(m->GetName());
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if (m_name == "testCase") {
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found_ = true;
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uint32_t value = 0;
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CHECK(GetVReg(m, 1, kReferenceVReg, &value));
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CHECK_EQ(reinterpret_cast<mirror::Object*>(value),
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soa_.Decode<mirror::Object>(expected_value_).Ptr());
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}
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return true;
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}
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jobject expected_value_;
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bool found_;
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const ScopedObjectAccess& soa_;
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};
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} // namespace
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extern "C" JNIEXPORT void JNICALL Java_Main_lookForMyRegisters(JNIEnv*, jclass, jobject value) {
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ScopedObjectAccess soa(Thread::Current());
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std::unique_ptr<Context> context(Context::Create());
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TestVisitor visitor(soa, context.get(), value);
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visitor.WalkStack();
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CHECK(visitor.found_);
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}
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} // namespace art
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