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 "jni.h" 20 #include "oat_quick_method_header.h" 21 #include "scoped_thread_state_change-inl.h" 22 #include "stack.h" 23 #include "thread.h" 24 25 namespace art { 26 27 namespace { 28 29 class TestVisitor : public StackVisitor { 30 public: 31 TestVisitor(Thread* thread, Context* context) REQUIRES_SHARED(Locks::mutator_lock_) 32 : StackVisitor(thread, context, StackVisitor::StackWalkKind::kIncludeInlinedFrames) {} 33 34 bool VisitFrame() REQUIRES_SHARED(Locks::mutator_lock_) { 35 ArtMethod* m = GetMethod(); 36 std::string m_name(m->GetName()); 37 38 if (m_name.compare("testLiveArgument") == 0) { 39 found_method_ = true; 40 uint32_t value = 0; 41 CHECK(GetVReg(m, 0, kIntVReg, &value)); 42 CHECK_EQ(value, 42u); 43 } else if (m_name.compare("$opt$noinline$testIntervalHole") == 0) { 44 uint32_t number_of_dex_registers = m->GetCodeItem()->registers_size_; 45 uint32_t dex_register_of_first_parameter = number_of_dex_registers - 2; 46 found_method_ = true; 47 uint32_t value = 0; 48 if (GetCurrentQuickFrame() != nullptr && 49 GetCurrentOatQuickMethodHeader()->IsOptimized() && 50 !Runtime::Current()->IsJavaDebuggable()) { 51 CHECK_EQ(GetVReg(m, dex_register_of_first_parameter, kIntVReg, &value), false); 52 } else { 53 CHECK(GetVReg(m, dex_register_of_first_parameter, kIntVReg, &value)); 54 CHECK_EQ(value, 1u); 55 } 56 } 57 58 return true; 59 } 60 61 // Value returned to Java to ensure the methods testSimpleVReg and testPairVReg 62 // have been found and tested. 63 bool found_method_ = false; 64 }; 65 66 extern "C" JNIEXPORT void JNICALL Java_Main_doStaticNativeCallLiveVreg(JNIEnv*, jclass) { 67 ScopedObjectAccess soa(Thread::Current()); 68 std::unique_ptr<Context> context(Context::Create()); 69 TestVisitor visitor(soa.Self(), context.get()); 70 visitor.WalkStack(); 71 CHECK(visitor.found_method_); 72 } 73 74 } // namespace 75 76 } // namespace art 77
