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 "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:
TestVisitor(Thread * thread,Context * context)30 TestVisitor(Thread* thread, Context* context) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_)
31 : StackVisitor(thread, context, StackVisitor::StackWalkKind::kIncludeInlinedFrames) {}
32
VisitFrame()33 bool VisitFrame() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
34 ArtMethod* m = GetMethod();
35 std::string m_name(m->GetName());
36
37 if (m_name.compare("testLiveArgument") == 0) {
38 found_method_ = true;
39 uint32_t value = 0;
40 CHECK(GetVReg(m, 0, kIntVReg, &value));
41 CHECK_EQ(value, 42u);
42 } else if (m_name.compare("testIntervalHole") == 0) {
43 found_method_ = true;
44 uint32_t value = 0;
45 if (m->IsOptimized(sizeof(void*))) {
46 CHECK_EQ(GetVReg(m, 0, kIntVReg, &value), false);
47 } else {
48 CHECK(GetVReg(m, 0, kIntVReg, &value));
49 CHECK_EQ(value, 1u);
50 }
51 }
52
53 return true;
54 }
55
56 // Value returned to Java to ensure the methods testSimpleVReg and testPairVReg
57 // have been found and tested.
58 bool found_method_ = false;
59 };
60
Java_Main_doStaticNativeCallLiveVreg(JNIEnv *,jclass)61 extern "C" JNIEXPORT void JNICALL Java_Main_doStaticNativeCallLiveVreg(JNIEnv*, jclass) {
62 ScopedObjectAccess soa(Thread::Current());
63 std::unique_ptr<Context> context(Context::Create());
64 TestVisitor visitor(soa.Self(), context.get());
65 visitor.WalkStack();
66 CHECK(visitor.found_method_);
67 }
68
69 } // namespace
70
71 } // namespace art
72