| /* |
| * Copyright (C) 2015 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 "arch/context.h" |
| #include "art_method-inl.h" |
| #include "dex/code_item_accessors-inl.h" |
| #include "jni.h" |
| #include "oat_quick_method_header.h" |
| #include "scoped_thread_state_change-inl.h" |
| #include "stack.h" |
| #include "thread.h" |
| |
| namespace art { |
| |
| namespace { |
| |
| class TestVisitor : public StackVisitor { |
| public: |
| TestVisitor(Thread* thread, Context* context) REQUIRES_SHARED(Locks::mutator_lock_) |
| : StackVisitor(thread, context, StackVisitor::StackWalkKind::kIncludeInlinedFrames) {} |
| |
| bool VisitFrame() REQUIRES_SHARED(Locks::mutator_lock_) { |
| ArtMethod* m = GetMethod(); |
| std::string m_name(m->GetName()); |
| |
| if (m_name.compare("$noinline$testLiveArgument") == 0) { |
| found_method_ = true; |
| CHECK_EQ(CodeItemDataAccessor(m->DexInstructionData()).RegistersSize(), 3u); |
| CheckOptimizedOutRegLiveness(m, 1, kIntVReg, true, 42); |
| |
| uint32_t value; |
| CHECK(GetVReg(m, 2, kReferenceVReg, &value)); |
| } else if (m_name.compare("$noinline$testIntervalHole") == 0) { |
| found_method_ = true; |
| uint32_t number_of_dex_registers = |
| CodeItemDataAccessor(m->DexInstructionData()).RegistersSize(); |
| uint32_t dex_register_of_first_parameter = number_of_dex_registers - 2; |
| CheckOptimizedOutRegLiveness(m, dex_register_of_first_parameter, kIntVReg, true, 1); |
| } else if (m_name.compare("$noinline$testCodeSinking") == 0) { |
| found_method_ = true; |
| CheckOptimizedOutRegLiveness(m, 0, kReferenceVReg); |
| } |
| |
| return true; |
| } |
| |
| void CheckOptimizedOutRegLiveness(ArtMethod* m, |
| uint32_t dex_reg, |
| VRegKind vreg_kind, |
| bool check_val = false, |
| uint32_t expected = 0) REQUIRES_SHARED(Locks::mutator_lock_) { |
| uint32_t value = 0; |
| if (GetCurrentQuickFrame() != nullptr && |
| GetCurrentOatQuickMethodHeader()->IsOptimized() && |
| !Runtime::Current()->IsJavaDebuggable()) { |
| CHECK_EQ(GetVReg(m, dex_reg, vreg_kind, &value), false); |
| } else { |
| CHECK(GetVReg(m, dex_reg, vreg_kind, &value)); |
| if (check_val) { |
| CHECK_EQ(value, expected); |
| } |
| } |
| } |
| |
| // Value returned to Java to ensure the required methods have been found and tested. |
| bool found_method_ = false; |
| }; |
| |
| extern "C" JNIEXPORT void JNICALL Java_Main_doStaticNativeCallLiveVreg(JNIEnv*, jclass) { |
| ScopedObjectAccess soa(Thread::Current()); |
| std::unique_ptr<Context> context(Context::Create()); |
| TestVisitor visitor(soa.Self(), context.get()); |
| visitor.WalkStack(); |
| CHECK(visitor.found_method_); |
| } |
| |
| } // namespace |
| |
| } // namespace art |