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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 #ifndef ECMASCRIPT_COMPILER_PROFILER_STUB_BUILDER_H
17 #define ECMASCRIPT_COMPILER_PROFILER_STUB_BUILDER_H
18 
19 #include "ecmascript/compiler/profiler_operation.h"
20 #include "ecmascript/compiler/stub_builder.h"
21 
22 namespace panda::ecmascript::kungfu {
23 class SlotIDInfo {
24 public:
25     enum class SlotIDInfoType : uint8_t {
26         PC,
27         SLOT_ID,
28         PC_FORMAT,
29     };
30 
SlotIDInfo(GateRef info,SlotIDInfoType slotType)31     SlotIDInfo(GateRef info, SlotIDInfoType slotType) : slotType_(slotType)
32     {
33         ASSERT(slotType != SlotIDInfoType::PC_FORMAT);
34         if (slotType == SlotIDInfoType::PC) {
35             pc_ = info;
36         } else {
37             ASSERT(slotType == SlotIDInfoType::SLOT_ID);
38             slotID_ = info;
39         }
40     }
41 
SlotIDInfo(GateRef pc,SlotIDFormat format)42     SlotIDInfo(GateRef pc, SlotIDFormat format)
43         : slotType_(SlotIDInfoType::PC_FORMAT), pc_(pc), format_(format) {}
44 
45     ~SlotIDInfo() = default;
46 
GetSlotID()47     GateRef GetSlotID() const
48     {
49         return slotID_;
50     }
51 
GetSlotType()52     SlotIDInfoType GetSlotType() const
53     {
54         return slotType_;
55     }
56 
GetPC()57     GateRef GetPC() const
58     {
59         return pc_;
60     }
61 
GetFormat()62     SlotIDFormat GetFormat() const
63     {
64         return format_;
65     }
66 
67 private:
68     SlotIDInfoType slotType_;
69     GateRef slotID_ = 0;
70     GateRef pc_ = 0;
71     SlotIDFormat format_ = SlotIDFormat::IMM16;
72 };
73 
74 struct OffsetInfo {
75     GateRef offset = 0;
76     GateRef pc = 0;
77     bool isPc = true;
78 };
79 
80 class ProfilerStubBuilder : public StubBuilder {
81 public:
ProfilerStubBuilder(StubBuilder * parent)82     explicit ProfilerStubBuilder(StubBuilder *parent) : StubBuilder(parent) {}
ProfilerStubBuilder(Environment * env)83     explicit ProfilerStubBuilder(Environment *env) : StubBuilder(env) {}
84     ~ProfilerStubBuilder() override = default;
85     NO_MOVE_SEMANTIC(ProfilerStubBuilder);
86     NO_COPY_SEMANTIC(ProfilerStubBuilder);
GenerateCircuit()87     void GenerateCircuit() override {}
88 
89     // used for interpreter builtin
90     void PGOProfiler(GateRef glue, GateRef pc, GateRef func, GateRef profileTypeInfo,
91         const std::vector<GateRef> &values, SlotIDFormat format, OperationType type);
92     // used for baseline builtin
93     void PGOProfiler(GateRef glue, GateRef func, GateRef profileTypeInfo, GateRef slotIdOrOffset,
94         const std::vector<GateRef> &values, OperationType type);
95 
96     void TryDump(GateRef glue, GateRef func, GateRef profileTypeInfo);
97     void TryPreDump(GateRef glue, GateRef func, GateRef profileTypeInfo);
98 
99     void ProfileCall(
100         GateRef glue, SlotIDInfo slotInfo, GateRef func, GateRef target, GateRef profileTypeInfo);
101     void ProfileNativeCall(
102         GateRef glue, SlotIDInfo slotInfo, GateRef func, GateRef target, GateRef profileTypeInfo);
103     void ProfileGetterSetterCall(GateRef glue, GateRef target);
104     void ProfileOpType(
105         GateRef glue, SlotIDInfo slotInfo, GateRef func, GateRef profileTypeInfo, GateRef type);
106     void ProfileDefineClass(
107         GateRef glue, SlotIDInfo slotInfo, GateRef func, GateRef constructor, GateRef profileTypeInfo);
108     void ProfileCreateObject(
109         GateRef glue, SlotIDInfo slotInfo, GateRef func, GateRef newObj, GateRef profileTypeInfo);
110     void ProfileBranch(GateRef glue, SlotIDInfo slotInfo, GateRef func, GateRef profileTypeInfo, bool isTrue);
111     void ProfileGetIterator(
112         GateRef glue, SlotIDInfo slotInfo, GateRef func, GateRef iterator, GateRef profileTypeInfo);
113 
114     GateRef UpdateTrackTypeInPropAttr(GateRef attr, GateRef value, ProfileOperation callback);
115     void UpdatePropAttrIC(GateRef glue, GateRef receiver, GateRef value, GateRef handler, ProfileOperation callback);
116     void UpdatePropAttrWithValue(
117         GateRef glue, GateRef receiver, GateRef attr, GateRef value, ProfileOperation callback);
118 
119     GateRef IsProfileTypeInfoDumped(GateRef profileTypeInfo, ProfileOperation callback);
120 
121     void TryJitCompile(GateRef glue, OffsetInfo opCodeInfo, GateRef func, GateRef profileTypeInfo);
122     GateRef IsCompiledOrTryCompile(GateRef glue, GateRef func, GateRef profileTypeInfo, ProfileOperation callback,
123         GateRef pc);
124     GateRef IsCompiledOrTryCompile(GateRef glue, GateRef func, GateRef profileTypeInfo, GateRef pc);
125     GateRef GetJitHotnessThreshold(GateRef profileTypeInfo);
126     GateRef GetBaselineJitHotnessThreshold(GateRef profileTypeInfo);
127     void SetJitHotnessCnt(GateRef glue, GateRef profileTypeInfo, GateRef hotnessCnt);
128 
129 private:
130     static constexpr size_t MAX_PROFILE_CALL_COUNT = 10000;
131     static constexpr size_t MIN_PROFILE_CALL_INTERVAL = 5;
132     static constexpr size_t BITS_OF_WORD = 8;
133     static constexpr size_t HIGH_WORD_OFFSET = 2;
134     static constexpr size_t LOW_WORD_OFFSET = 1;
135 
136     void TryPreDumpInner(GateRef glue, GateRef func, GateRef profileTypeInfo);
137 
138     GateRef GetSlotID(const SlotIDInfo &slotInfo);
139     GateRef GetBitFieldOffsetFromProfileTypeInfo(GateRef profileTypeInfo);
140     GateRef IsProfileTypeInfoDumped(GateRef profileTypeInfo);
141     GateRef IsProfileTypeInfoPreDumped(GateRef profileTypeInfo);
142     GateRef IsProfileTypeInfoWithBigMethod(GateRef profileTypeInfo);
143     GateRef IsProfileTypeInfoHotAndValid(GateRef profileTypeInfo);
144     void SetDumpPeriodIndex(GateRef glue, GateRef profileTypeInfo);
145     void SetPreDumpPeriodIndex(GateRef glue, GateRef profileTypeInfo);
146     GateRef TaggedToTrackType(GateRef value);
147     GateRef GetIterationFunctionId(GateRef glue, GateRef iterator);
148     GateRef TryGetBuiltinFunctionId(GateRef target);
149     GateRef GetJitHotnessCnt(GateRef profileTypeInfo);
150     GateRef GetJitHotnessThresholdOffset(GateRef profileTypeInfo);
151     GateRef GetJitHotnessCntOffset(GateRef profileTypeInfo);
152     GateRef GetJitCallCntOffset(GateRef profileTypeInfo);
153     GateRef GetJitCallCnt(GateRef profileTypeInfo);
154     GateRef GetOsrHotnessThresholdOffset(GateRef profileTypeInfo);
155     GateRef GetOsrHotnessThreshold(GateRef profileTypeInfo);
156     GateRef GetBaselineJitHotnessThresholdOffset(GateRef profileTypeInfo);
157     GateRef GetOsrHotnessCntOffset(GateRef profileTypeInfo);
158     GateRef GetOsrHotnessCnt(GateRef profileTypeInfo);
159     void PGOProfiler(GateRef glue, GateRef func, GateRef profileTypeInfo, SlotIDInfo slotIdInfo,
160         const std::vector<GateRef> &values, OperationType type);
161 };
162 } // namespace panda::ecmascript::kungfu
163 #endif // ECMASCRIPT_COMPILER_PROFILER_STUB_BUILDER_H
164