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1 /**
2  * Copyright (c) 2021-2024 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  * http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef PANDA_RUNTIME_TOOLING_PT_THREAD_INFO_H
17 #define PANDA_RUNTIME_TOOLING_PT_THREAD_INFO_H
18 
19 #include <cstdint>
20 
21 #include "runtime/include/panda_vm.h"
22 #include "runtime/mem/refstorage/global_object_storage.h"
23 #include "pt_hook_type_info.h"
24 #include "thread_sampling_info.h"
25 
26 namespace ark::tooling {
27 class PtThreadInfo {
28 public:
29     PtThreadInfo() = default;
30 
~PtThreadInfo()31     ~PtThreadInfo()
32     {
33         ASSERT(managedThreadRef_ == nullptr);
34     }
35 
GetHookTypeInfo()36     PtHookTypeInfo &GetHookTypeInfo()
37     {
38         return hookTypeInfo_;
39     }
40 
GetSamplingInfo()41     sampler::ThreadSamplingInfo *GetSamplingInfo()
42     {
43         return &samplingInfo_;
44     }
45 
SetThreadObjectHeader(ObjectHeader * threadObjectHeader)46     void SetThreadObjectHeader(ObjectHeader *threadObjectHeader)
47     {
48         ASSERT(managedThreadRef_ == nullptr);
49         managedThreadRef_ = PandaVM::GetCurrent()->GetGlobalObjectStorage()->Add(threadObjectHeader,
50                                                                                  mem::Reference::ObjectType::GLOBAL);
51     }
52 
Destroy()53     void Destroy()
54     {
55         if (managedThreadRef_ != nullptr) {
56             PandaVM::GetCurrent()->GetGlobalObjectStorage()->Remove(managedThreadRef_);
57             managedThreadRef_ = nullptr;
58         }
59     }
60 
GetThreadObjectHeader()61     ObjectHeader *GetThreadObjectHeader() const
62     {
63         ASSERT(managedThreadRef_ != nullptr);
64         return PandaVM::GetCurrent()->GetGlobalObjectStorage()->Get(managedThreadRef_);
65     }
66 
67 private:
68     PtHookTypeInfo hookTypeInfo_ {false};
69     mem::Reference *managedThreadRef_ {nullptr};
70     sampler::ThreadSamplingInfo samplingInfo_ {};
71 
72     NO_COPY_SEMANTIC(PtThreadInfo);
73     NO_MOVE_SEMANTIC(PtThreadInfo);
74 };
75 }  // namespace ark::tooling
76 
77 #endif  // PANDA_RUNTIME_TOOLING_PT_THREAD_INFO_H
78