1 /*
2  * Copyright (C) 2011 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 "java_frame_root_info.h"
18 
19 #include "stack.h"
20 
21 namespace art {
22 
Describe(std::ostream & os) const23 void JavaFrameRootInfo::Describe(std::ostream& os) const {
24   const StackVisitor* visitor = stack_visitor_;
25   CHECK(visitor != nullptr);
26   os << "Type=" << GetType() << " thread_id=" << GetThreadId() << " location=" <<
27       visitor->DescribeLocation() << " vreg=";
28   if (vreg_ == JavaFrameRootInfo::kUnknownVreg) {
29     os << "Unknown";
30   } else if (vreg_ == JavaFrameRootInfo::kImpreciseVreg) {
31     os << "imprecise";
32   } else if (vreg_ == JavaFrameRootInfo::kProxyReferenceArgument) {
33     os << "Proxy reference argument";
34   } else if (vreg_ == JavaFrameRootInfo::kMethodDeclaringClass) {
35     os << "method declaring class";
36   } else {
37     os << vreg_;
38   }
39 }
40 
41 }  // namespace art
42