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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 #ifndef ECMASCRIPT_LITECG_STACKMAP_TYPE_H
16 #define ECMASCRIPT_LITECG_STACKMAP_TYPE_H
17 
18 #include <cstdint>
19 #include <map>
20 #include <vector>
21 #include "ecmascript/stackmap/cg_stackmap.h"
22 #include "ecmascript/stackmap/llvm/llvm_stackmap_type.h"
23 
24 namespace panda::ecmascript::kungfu {
25 class LiteCGStackMapType {
26 public:
27     using Pc2CallSiteInfo = std::unordered_map<uint64_t, std::vector<uint8_t>>;
28     using Pc2Deopt = std::map<uint64_t, std::vector<uint8_t>>;
29 };
30 
31 class LiteCGStackMapInfo : public CGStackMapInfo {
32 public:
33     using LLVMPc2CallSiteInfo = LLVMStackMapType::Pc2CallSiteInfo;
34     using LLVMCallSiteInfo = LLVMStackMapType::CallSiteInfo;
35     using LLVMPc2Deopt = LLVMStackMapType::Pc2Deopt;
36     using LLVMDwarfRegAndOffsetType = LLVMStackMapType::DwarfRegAndOffsetType;
37     using LLVMDeoptInfoType = LLVMStackMapType::DeoptInfoType;
38     using LLVMLargeInt = LLVMStackMapType::LargeInt;
39     using LLVMIntType = LLVMStackMapType::IntType;
40     using LLVMOffsetType = LLVMStackMapType::OffsetType;
41     using LLVMDwarfRegType = LLVMStackMapType::DwarfRegType;
42 
43     using LiteCGPc2CallSiteInfo = LiteCGStackMapType::Pc2CallSiteInfo;
44     using LiteCGPc2Deopt = LiteCGStackMapType::Pc2Deopt;
45 
LiteCGStackMapInfo()46     LiteCGStackMapInfo() : CGStackMapInfo() {}
47     ~LiteCGStackMapInfo() = default;
48 
AppendCallSiteInfo(const LiteCGPc2CallSiteInfo & callSiteInfo)49     void AppendCallSiteInfo(const LiteCGPc2CallSiteInfo &callSiteInfo)
50     {
51         pc2CallSiteInfoVec_.push_back(callSiteInfo);
52     }
53 
AppendDeoptInfo(const LiteCGPc2Deopt & deoptInfo)54     void AppendDeoptInfo(const LiteCGPc2Deopt &deoptInfo)
55     {
56         pc2DeoptVec_.push_back(deoptInfo);
57     }
58 
GetStackMapKind()59     CGStackMapKind GetStackMapKind() const override
60     {
61         return kLiteCGStackMapInfo;
62     }
63 
64     void ConvertToLLVMStackMapInfo(std::vector<LLVMPc2CallSiteInfo> &pc2StackMapsVec,
65                                    std::vector<LLVMPc2Deopt> &pc2DeoptInfoVec, Triple triple) const;
66 private:
67     std::vector<LiteCGPc2CallSiteInfo> pc2CallSiteInfoVec_;
68     std::vector<LiteCGPc2Deopt> pc2DeoptVec_;
69 
70     void ConvertToLLVMPc2CallSiteInfo(LLVMPc2CallSiteInfo &pc2CallSiteInfo,
71                                       const LiteCGPc2CallSiteInfo &liteCGPc2CallSiteInfo, int fpReg) const;
72     void ConvertToLLVMPv2Deopt(LLVMPc2Deopt &pc2DeoptInfo, const LiteCGPc2Deopt &liteCGPc2DeoptInfo, int fpReg) const;
73 };
74 } // namespace panda::ecmascript::kungfu
75 #endif  // ECMASCRIPT_LITECG_STACKMAP_TYPE_H