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1 /*
2  * Copyright (c) 2023 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 #include "ecmascript/pgo_profiler/ap_file/pgo_method_type_set.h"
17 #include "ecmascript/base/bit_helper.h"
18 #include "ecmascript/common.h"
19 #include "ecmascript/log_wrapper.h"
20 #include "ecmascript/pgo_profiler/ap_file/pgo_file_info.h"
21 #include "ecmascript/pgo_profiler/pgo_context.h"
22 #include "ecmascript/pgo_profiler/pgo_utils.h"
23 #include "ecmascript/pgo_profiler/types/pgo_profiler_type.h"
24 
25 namespace panda::ecmascript::pgo {
26 using StringHelper = base::StringHelper;
Merge(const PGOMethodTypeSet * info)27 void PGOMethodTypeSet::Merge(const PGOMethodTypeSet *info)
28 {
29     for (const auto &fromType : info->scalarOpTypeInfos_) {
30         auto iter = scalarOpTypeInfos_.find(fromType);
31         if (iter != scalarOpTypeInfos_.end()) {
32             const_cast<ScalarOpTypeInfo &>(*iter).Merge(fromType);
33         } else {
34             scalarOpTypeInfos_.emplace(fromType);
35         }
36     }
37     for (const auto &fromType : info->rwScalarOpTypeInfos_) {
38         auto iter = rwScalarOpTypeInfos_.find(fromType);
39         if (iter != rwScalarOpTypeInfos_.end()) {
40             const_cast<RWScalarOpTypeInfo &>(*iter).Merge(fromType);
41         } else {
42             rwScalarOpTypeInfos_.emplace(fromType);
43         }
44     }
45     for (const auto &fromType : info->objDefOpTypeInfos_) {
46         AddDefine(fromType.GetOffset(), fromType.GetType());
47     }
48 }
49 
SkipFromBinary(void ** buffer)50 void PGOMethodTypeSet::SkipFromBinary(void **buffer)
51 {
52     uint32_t size = base::ReadBuffer<uint32_t>(buffer, sizeof(uint32_t));
53     for (uint32_t i = 0; i < size; i++) {
54         base::ReadBufferInSize<ScalarOpTypeInfo>(buffer);
55     }
56 }
57 
ParseFromBinary(PGOContext & context,void ** buffer)58 bool PGOMethodTypeSet::ParseFromBinary(PGOContext &context, void **buffer)
59 {
60     PGOProfilerHeader *const header = context.GetHeader();
61     ASSERT(header != nullptr);
62     uint32_t size = base::ReadBuffer<uint32_t>(buffer, sizeof(uint32_t));
63     for (uint32_t i = 0; i < size; i++) {
64         auto typeInfo = base::ReadBufferInSize<TypeInfoHeader>(buffer);
65         if (typeInfo->GetInfoType() == InfoType::OP_TYPE) {
66             auto *scalerInfo = reinterpret_cast<ScalarOpTypeInfoRef *>(typeInfo);
67             scalarOpTypeInfos_.emplace(scalerInfo->GetOffset(),
68                                        PGOSampleType::ConvertFrom(context, scalerInfo->GetType()));
69         } else if (typeInfo->GetInfoType() == InfoType::DEFINE_CLASS_TYPE) {
70             auto *defineInfo = reinterpret_cast<ObjDefOpTypeInfoRef *>(typeInfo);
71             PGODefineOpType type;
72             type.ConvertFrom(context, defineInfo->GetType());
73             ObjDefOpTypeInfo info(defineInfo->GetOffset(), type);
74             objDefOpTypeInfos_.emplace(info);
75         } else if (header->SupportUseHClassType() && typeInfo->GetInfoType() == InfoType::USE_HCLASS_TYPE) {
76             auto *opTypeInfo = reinterpret_cast<RWScalarOpTypeInfoRef *>(typeInfo);
77             RWScalarOpTypeInfo info(opTypeInfo->GetOffset());
78             info.ConvertFrom(context, *opTypeInfo);
79             for (int j = 0; j < info.GetCount(); j++) {
80                 if (info.GetTypeRef().GetObjectInfo(j).GetProtoChainMarker() == ProtoChainMarker::EXSIT) {
81                     auto protoChainRef = base::ReadBufferInSize<PGOProtoChainRef>(buffer);
82                     auto protoChain = PGOProtoChain::ConvertFrom(context, protoChainRef);
83                     const_cast<PGOObjectInfo &>(info.GetTypeRef().GetObjectInfo(j)).SetProtoChain(protoChain);
84                 }
85             }
86             rwScalarOpTypeInfos_.emplace(info);
87         }
88     }
89     return true;
90 }
91 
ProcessToBinary(PGOContext & context,std::stringstream & stream) const92 bool PGOMethodTypeSet::ProcessToBinary(PGOContext &context, std::stringstream &stream) const
93 {
94     uint32_t number = 0;
95     std::stringstream methodStream;
96     for (auto &typeInfo : scalarOpTypeInfos_) {
97         if (!typeInfo.GetType().IsNone()) {
98             PGOSampleTypeRef sampleTypeRef = PGOSampleTypeRef::ConvertFrom(context, typeInfo.GetType());
99             ScalarOpTypeInfoRef infoRef(typeInfo.GetOffset(), sampleTypeRef);
100             methodStream.write(reinterpret_cast<char *>(&infoRef), infoRef.Size());
101             number++;
102         }
103     }
104     for (auto &typeInfo : rwScalarOpTypeInfos_) {
105         if (typeInfo.GetCount() != 0) {
106             RWScalarOpTypeInfoRef infoRef(typeInfo.GetOffset());
107             infoRef.ConvertFrom(context, typeInfo);
108             methodStream.write(reinterpret_cast<char *>(&infoRef), infoRef.Size());
109             for (int i = 0; i < typeInfo.GetCount(); i++) {
110                 if (typeInfo.GetTypeRef().GetObjectInfo(i).GetProtoChainMarker() == ProtoChainMarker::EXSIT) {
111                     auto protoChain = typeInfo.GetTypeRef().GetObjectInfo(i).GetProtoChain();
112                     auto protoChainRef = PGOProtoChainRef::ConvertFrom(context, protoChain);
113                     methodStream.write(reinterpret_cast<char *>(protoChainRef), protoChainRef->Size());
114                 }
115             }
116             number++;
117         }
118     }
119 
120     for (const auto &typeInfo : objDefOpTypeInfos_) {
121         PGODefineOpTypeRef typeRef;
122         typeRef.ConvertFrom(context, typeInfo.GetType());
123         ObjDefOpTypeInfoRef infoRef(typeInfo.GetOffset(), typeRef);
124         methodStream.write(reinterpret_cast<char *>(&infoRef), infoRef.Size());
125         number++;
126     }
127 
128     stream.write(reinterpret_cast<char *>(&number), sizeof(uint32_t));
129     if (number > 0) {
130         stream << methodStream.rdbuf();
131         return true;
132     }
133     return false;
134 }
135 
ParseFromText(const std::string & typeString)136 bool PGOMethodTypeSet::ParseFromText(const std::string &typeString)
137 {
138     std::vector<std::string> typeInfoVector = StringHelper::SplitString(typeString, DumpUtils::TYPE_SEPARATOR);
139     if (typeInfoVector.size() > 0) {
140         for (const auto &iter : typeInfoVector) {
141             std::vector<std::string> typeStrings = StringHelper::SplitString(iter, DumpUtils::BLOCK_START);
142             if (typeStrings.size() < METHOD_TYPE_INFO_COUNT) {
143                 return false;
144             }
145 
146             uint32_t offset = 0;
147             if (!StringHelper::StrToUInt32(typeStrings[METHOD_OFFSET_INDEX].c_str(), &offset)) {
148                 return false;
149             }
150             uint32_t type = 0;
151             if (!StringHelper::StrToUInt32(typeStrings[METHOD_TYPE_INDEX].c_str(), &type)) {
152                 return false;
153             }
154             scalarOpTypeInfos_.emplace(offset, PGOSampleType(type));
155         }
156     }
157     return true;
158 }
159 
ProcessToText(std::string & text) const160 void PGOMethodTypeSet::ProcessToText(std::string &text) const
161 {
162     bool isFirst = true;
163     for (auto typeInfoIter : scalarOpTypeInfos_) {
164         if (typeInfoIter.GetType().IsNone()) {
165             continue;
166         }
167         if (isFirst) {
168             text += DumpUtils::ARRAY_START + DumpUtils::SPACE;
169             isFirst = false;
170         } else {
171             text += DumpUtils::TYPE_SEPARATOR + DumpUtils::SPACE;
172         }
173         text += std::to_string(typeInfoIter.GetOffset());
174         text += DumpUtils::BLOCK_START;
175         text += typeInfoIter.GetType().GetTypeString();
176     }
177     for (auto rwScalarOpTypeInfoIter : rwScalarOpTypeInfos_) {
178         if (rwScalarOpTypeInfoIter.GetCount() == 0) {
179             continue;
180         }
181         if (isFirst) {
182             text += DumpUtils::ARRAY_START + DumpUtils::SPACE;
183             isFirst = false;
184         } else {
185             text += DumpUtils::TYPE_SEPARATOR + DumpUtils::SPACE;
186         }
187         rwScalarOpTypeInfoIter.ProcessToText(text);
188     }
189     for (const auto &defTypeInfoIter : objDefOpTypeInfos_) {
190         if (isFirst) {
191             text += DumpUtils::ARRAY_START + DumpUtils::SPACE;
192             isFirst = false;
193         } else {
194             text += DumpUtils::TYPE_SEPARATOR + DumpUtils::SPACE;
195         }
196         defTypeInfoIter.ProcessToText(text);
197     }
198     if (!isFirst) {
199         text += (DumpUtils::SPACE + DumpUtils::ARRAY_END);
200     }
201 }
202 } // namespace panda::ecmascript::pgo
203