91 lines
3.2 KiB
C++
91 lines
3.2 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 "dex/code_item_accessors-inl.h"
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#include "jni.h"
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#include "oat_quick_method_header.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(Thread* thread, Context* context) REQUIRES_SHARED(Locks::mutator_lock_)
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: StackVisitor(thread, context, StackVisitor::StackWalkKind::kIncludeInlinedFrames) {}
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bool VisitFrame() override 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.compare("$noinline$testLiveArgument") == 0) {
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found_method_ = true;
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CHECK_EQ(CodeItemDataAccessor(m->DexInstructionData()).RegistersSize(), 3u);
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CheckOptimizedOutRegLiveness(m, 1, kIntVReg, true, 42);
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CheckOptimizedOutRegLiveness(m, 2, kReferenceVReg);
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} else if (m_name.compare("$noinline$testIntervalHole") == 0) {
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found_method_ = true;
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uint32_t number_of_dex_registers =
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CodeItemDataAccessor(m->DexInstructionData()).RegistersSize();
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uint32_t dex_register_of_first_parameter = number_of_dex_registers - 2;
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CheckOptimizedOutRegLiveness(m, dex_register_of_first_parameter, kIntVReg, true, 1);
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} else if (m_name.compare("$noinline$testCodeSinking") == 0) {
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found_method_ = true;
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CheckOptimizedOutRegLiveness(m, 0, kReferenceVReg);
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}
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return true;
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}
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void CheckOptimizedOutRegLiveness(ArtMethod* m,
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uint32_t dex_reg,
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VRegKind vreg_kind,
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bool check_val = false,
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uint32_t expected = 0) REQUIRES_SHARED(Locks::mutator_lock_) {
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uint32_t value = 0;
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if (GetCurrentQuickFrame() != nullptr &&
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GetCurrentOatQuickMethodHeader()->IsOptimized() &&
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!Runtime::Current()->IsJavaDebuggable()) {
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CHECK_EQ(GetVReg(m, dex_reg, vreg_kind, &value), false);
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} else {
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CHECK(GetVReg(m, dex_reg, vreg_kind, &value));
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if (check_val) {
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CHECK_EQ(value, expected);
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}
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}
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}
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// Value returned to Java to ensure the required methods have been found and tested.
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bool found_method_ = false;
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};
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extern "C" JNIEXPORT void JNICALL Java_Main_doStaticNativeCallLiveVreg(JNIEnv*, jclass) {
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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.Self(), context.get());
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visitor.WalkStack();
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CHECK(visitor.found_method_);
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}
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} // namespace
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} // namespace art
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