Sebastien Hertz | 7cde48c | 2015-01-20 16:06:43 +0100 | [diff] [blame] | 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 "jni.h" |
| 19 | #include "mirror/art_method-inl.h" |
| 20 | #include "scoped_thread_state_change.h" |
| 21 | #include "stack.h" |
| 22 | #include "thread.h" |
| 23 | |
| 24 | namespace art { |
| 25 | |
| 26 | namespace { |
| 27 | |
| 28 | class TestVisitor : public StackVisitor { |
| 29 | public: |
| 30 | TestVisitor(Thread* thread, Context* context, mirror::Object* this_value) |
| 31 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) |
Nicolas Geoffray | 8e5bd18 | 2015-05-06 11:34:34 +0100 | [diff] [blame] | 32 | : StackVisitor(thread, context, StackVisitor::StackWalkKind::kIncludeInlinedFrames), |
| 33 | this_value_(this_value), |
| 34 | found_method_index_(0) {} |
Sebastien Hertz | 7cde48c | 2015-01-20 16:06:43 +0100 | [diff] [blame] | 35 | |
| 36 | bool VisitFrame() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| 37 | mirror::ArtMethod* m = GetMethod(); |
| 38 | std::string m_name(m->GetName()); |
| 39 | |
| 40 | if (m_name.compare("testSimpleVReg") == 0) { |
| 41 | found_method_index_ = 1; |
| 42 | uint32_t value = 0; |
| 43 | |
| 44 | CHECK(GetVReg(m, 0, kIntVReg, &value)); |
| 45 | CHECK_EQ(value, 42u); |
| 46 | |
| 47 | bool success = GetVReg(m, 1, kIntVReg, &value); |
| 48 | if (m->IsOptimized(sizeof(void*))) CHECK(!success); |
| 49 | |
| 50 | success = GetVReg(m, 2, kIntVReg, &value); |
| 51 | if (m->IsOptimized(sizeof(void*))) CHECK(!success); |
| 52 | |
| 53 | CHECK(GetVReg(m, 3, kReferenceVReg, &value)); |
| 54 | CHECK_EQ(reinterpret_cast<mirror::Object*>(value), this_value_); |
| 55 | |
| 56 | CHECK(GetVReg(m, 4, kIntVReg, &value)); |
| 57 | CHECK_EQ(value, 1u); |
| 58 | |
| 59 | CHECK(GetVReg(m, 5, kFloatVReg, &value)); |
Roland Levillain | da4d79b | 2015-03-24 14:36:11 +0000 | [diff] [blame] | 60 | uint32_t cast = bit_cast<uint32_t, float>(1.0f); |
Sebastien Hertz | 7cde48c | 2015-01-20 16:06:43 +0100 | [diff] [blame] | 61 | CHECK_EQ(value, cast); |
| 62 | |
| 63 | CHECK(GetVReg(m, 6, kIntVReg, &value)); |
| 64 | CHECK_EQ(value, 2u); |
| 65 | |
| 66 | CHECK(GetVReg(m, 7, kIntVReg, &value)); |
| 67 | CHECK_EQ(value, true); |
| 68 | |
| 69 | CHECK(GetVReg(m, 8, kIntVReg, &value)); |
| 70 | CHECK_EQ(value, 3u); |
| 71 | |
| 72 | CHECK(GetVReg(m, 9, kIntVReg, &value)); |
| 73 | CHECK_EQ(value, static_cast<uint32_t>('c')); |
| 74 | } else if (m_name.compare("testPairVReg") == 0) { |
| 75 | found_method_index_ = 2; |
| 76 | uint64_t value = 0; |
| 77 | CHECK(GetVRegPair(m, 0, kLongLoVReg, kLongHiVReg, &value)); |
| 78 | CHECK_EQ(value, 42u); |
| 79 | |
| 80 | bool success = GetVRegPair(m, 2, kLongLoVReg, kLongHiVReg, &value); |
| 81 | if (m->IsOptimized(sizeof(void*))) CHECK(!success); |
| 82 | |
| 83 | success = GetVRegPair(m, 4, kLongLoVReg, kLongHiVReg, &value); |
| 84 | if (m->IsOptimized(sizeof(void*))) CHECK(!success); |
| 85 | |
| 86 | uint32_t value32 = 0; |
| 87 | CHECK(GetVReg(m, 6, kReferenceVReg, &value32)); |
| 88 | CHECK_EQ(reinterpret_cast<mirror::Object*>(value32), this_value_); |
| 89 | |
| 90 | CHECK(GetVRegPair(m, 7, kLongLoVReg, kLongHiVReg, &value)); |
| 91 | CHECK_EQ(static_cast<int64_t>(value), std::numeric_limits<int64_t>::min()); |
| 92 | |
| 93 | CHECK(GetVRegPair(m, 9, kLongLoVReg, kLongHiVReg, &value)); |
| 94 | CHECK_EQ(static_cast<int64_t>(value), std::numeric_limits<int64_t>::max()); |
| 95 | |
| 96 | CHECK(GetVRegPair(m, 11, kLongLoVReg, kLongHiVReg, &value)); |
| 97 | CHECK_EQ(value, 0u); |
| 98 | |
| 99 | CHECK(GetVRegPair(m, 13, kDoubleLoVReg, kDoubleHiVReg, &value)); |
Roland Levillain | da4d79b | 2015-03-24 14:36:11 +0000 | [diff] [blame] | 100 | uint64_t cast = bit_cast<uint64_t, double>(2.0); |
Sebastien Hertz | 7cde48c | 2015-01-20 16:06:43 +0100 | [diff] [blame] | 101 | CHECK_EQ(value, cast); |
| 102 | } |
| 103 | |
| 104 | return true; |
| 105 | } |
| 106 | |
| 107 | mirror::Object* this_value_; |
| 108 | |
| 109 | // Value returned to Java to ensure the methods testSimpleVReg and testPairVReg |
| 110 | // have been found and tested. |
| 111 | jint found_method_index_; |
| 112 | }; |
| 113 | |
| 114 | extern "C" JNIEXPORT jint JNICALL Java_Main_doNativeCall(JNIEnv*, jobject value) { |
| 115 | ScopedObjectAccess soa(Thread::Current()); |
| 116 | std::unique_ptr<Context> context(Context::Create()); |
| 117 | TestVisitor visitor(soa.Self(), context.get(), soa.Decode<mirror::Object*>(value)); |
| 118 | visitor.WalkStack(); |
| 119 | return visitor.found_method_index_; |
| 120 | } |
| 121 | |
| 122 | } // namespace |
| 123 | |
| 124 | } // namespace art |