1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "arch/context.h" 18 #include "art_method-inl.h" 19 #include "dex/code_item_accessors-inl.h" 20 #include "jni.h" 21 #include "oat_quick_method_header.h" 22 #include "scoped_thread_state_change-inl.h" 23 #include "stack.h" 24 #include "thread.h" 25 26 namespace art { 27 28 namespace { 29 30 class TestVisitor : public StackVisitor { 31 public: 32 TestVisitor(Thread* thread, Context* context) REQUIRES_SHARED(Locks::mutator_lock_) 33 : StackVisitor(thread, context, StackVisitor::StackWalkKind::kIncludeInlinedFrames) {} 34 35 bool VisitFrame() REQUIRES_SHARED(Locks::mutator_lock_) { 36 ArtMethod* m = GetMethod(); 37 std::string m_name(m->GetName()); 38 39 if (m_name.compare("testLiveArgument") == 0) { 40 found_method_ = true; 41 uint32_t value = 0; 42 CHECK(GetVReg(m, 0, kIntVReg, &value)); 43 CHECK_EQ(value, 42u); 44 } else if (m_name.compare("$opt$noinline$testIntervalHole") == 0) { 45 uint32_t number_of_dex_registers = 46 CodeItemDataAccessor(m->DexInstructionData()).RegistersSize(); 47 uint32_t dex_register_of_first_parameter = number_of_dex_registers - 2; 48 found_method_ = true; 49 uint32_t value = 0; 50 if (GetCurrentQuickFrame() != nullptr && 51 GetCurrentOatQuickMethodHeader()->IsOptimized() && 52 !Runtime::Current()->IsJavaDebuggable()) { 53 CHECK_EQ(GetVReg(m, dex_register_of_first_parameter, kIntVReg, &value), false); 54 } else { 55 CHECK(GetVReg(m, dex_register_of_first_parameter, kIntVReg, &value)); 56 CHECK_EQ(value, 1u); 57 } 58 } 59 60 return true; 61 } 62 63 // Value returned to Java to ensure the methods testSimpleVReg and testPairVReg 64 // have been found and tested. 65 bool found_method_ = false; 66 }; 67 68 extern "C" JNIEXPORT void JNICALL Java_Main_doStaticNativeCallLiveVreg(JNIEnv*, jclass) { 69 ScopedObjectAccess soa(Thread::Current()); 70 std::unique_ptr<Context> context(Context::Create()); 71 TestVisitor visitor(soa.Self(), context.get()); 72 visitor.WalkStack(); 73 CHECK(visitor.found_method_); 74 } 75 76 } // namespace 77 78 } // namespace art 79
