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1 /*
2  * Copyright (c) 2022-2024 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 ECMASCRIPT_COMPILER_BUILTINS_STUB_H
17 #define ECMASCRIPT_COMPILER_BUILTINS_STUB_H
18 
19 #include "ecmascript/compiler/builtins/builtins_call_signature.h"
20 #include "ecmascript/compiler/circuit_builder-inl.h"
21 #include "ecmascript/compiler/stub_builder.h"
22 #include "ecmascript/ecma_runtime_call_info.h"
23 
24 namespace panda::ecmascript::kungfu {
25 class BuiltinsStubBuilder : public StubBuilder {
26 public:
BuiltinsStubBuilder(StubBuilder * parent,GateRef globalEnv)27     BuiltinsStubBuilder(StubBuilder *parent, GateRef globalEnv)
28         : StubBuilder(parent, globalEnv) {}
BuiltinsStubBuilder(CallSignature * callSignature,Environment * env,GateRef globalEnv)29     BuiltinsStubBuilder(CallSignature *callSignature, Environment *env, GateRef globalEnv)
30         : StubBuilder(callSignature, env, globalEnv) {}
BuiltinsStubBuilder(Environment * env,GateRef globalEnv)31     BuiltinsStubBuilder(Environment* env, GateRef globalEnv)
32         : StubBuilder(env, globalEnv) {}
33     ~BuiltinsStubBuilder() override = default;
34     NO_MOVE_SEMANTIC(BuiltinsStubBuilder);
35     NO_COPY_SEMANTIC(BuiltinsStubBuilder);
36     virtual void GenerateCircuit() override = 0;
37 
GetGlue(GateRef info)38     inline GateRef GetGlue(GateRef info)
39     {
40         return LoadPrimitive(VariableType::NATIVE_POINTER(), info,
41             IntPtr(EcmaRuntimeCallInfo::GetThreadOffset(GetEnvironment()->IsArch32Bit())));
42     }
43 
GetNumArgs(GateRef info)44     inline GateRef GetNumArgs(GateRef info)
45     {
46         return LoadPrimitive(VariableType::INT64(), info,
47             IntPtr(EcmaRuntimeCallInfo::GetNumArgsOffset(GetEnvironment()->IsArch32Bit())));
48     }
49 
GetFunction(GateRef info)50     inline GateRef GetFunction(GateRef info)
51     {
52         return Load(VariableType::JS_ANY(), GetGlue(info), info,
53             IntPtr(EcmaRuntimeCallInfo::GetStackArgsOffset(GetEnvironment()->IsArch32Bit())));
54     }
55 
GetNewTarget(GateRef info)56     inline GateRef GetNewTarget(GateRef info)
57     {
58         GateRef newTargetOffset = IntPtr(EcmaRuntimeCallInfo::GetNewTargetOffset(GetEnvironment()->IsArch32Bit()));
59         return Load(VariableType::JS_ANY(), GetGlue(info), info, newTargetOffset);
60     }
61 
GetThis(GateRef info)62     inline GateRef GetThis(GateRef info)
63     {
64         GateRef thisOffset = IntPtr(EcmaRuntimeCallInfo::GetThisOffset(GetEnvironment()->IsArch32Bit()));
65         return Load(VariableType::JS_ANY(), GetGlue(info), info, thisOffset);
66     }
67 
68     GateRef GetCallArg0(GateRef numArg);
69     GateRef GetCallArg1(GateRef numArg);
70     GateRef GetCallArg2(GateRef numArg);
71     GateRef GetGlobalEnvFromFunction(GateRef glue, GateRef func);
72 
GetArgv()73     inline GateRef GetArgv()
74     {
75         return PtrArgument(static_cast<size_t>(BuiltinsArgs::ARG0_OR_ARGV));
76     }
77 
78     GateRef GetArgFromArgv(GateRef glue, GateRef index, GateRef numArgs = Gate::InvalidGateRef, bool needCheck = false);
79 
80     GateRef CallSlowPath(GateRef nativeCode, GateRef glue, GateRef globalEnv, GateRef thisValue,
81                          GateRef numArgs, GateRef func, GateRef newTarget);
82 
IsNumberYearMonthDay(GateRef year,GateRef month,GateRef day)83     inline GateRef IsNumberYearMonthDay(GateRef year, GateRef month, GateRef day)
84     {
85         GateRef condition = BitAnd(TaggedIsNumber(year), TaggedIsNumber(month));
86         return BitAnd(condition, TaggedIsNumber(day));
87     }
88 };
89 
90 #define DECLARE_BUILTINS_STUB_CLASS(name)                                                           \
91     class name##StubBuilder : public BuiltinsStubBuilder {                                          \
92     public:                                                                                         \
93         name##StubBuilder(CallSignature *callSignature, Environment *env, GateRef globalEnv)      \
94             : BuiltinsStubBuilder(callSignature, env, globalEnv) {}                               \
95         ~name##StubBuilder() = default;                                                             \
96         NO_MOVE_SEMANTIC(name##StubBuilder);                                                        \
97         NO_COPY_SEMANTIC(name##StubBuilder);                                                        \
98         void GenerateCircuit() override;                                                            \
99                                                                                                     \
100     private:                                                                                        \
101         void GenerateCircuitImpl(GateRef glue, GateRef nativeCode, GateRef func, GateRef newTarget, \
102                                  GateRef thisValue, GateRef numArgs);                               \
103     };
104 
105 
106 #define DECLARE_BUILTINS_STUB_CLASS_DYN(name, type, ...)                                            \
107     class type##name##StubBuilder : public BuiltinsStubBuilder {                                    \
108     public:                                                                                         \
109         type##name##StubBuilder(CallSignature *callSignature, Environment *env, GateRef globalEnv)\
110             : BuiltinsStubBuilder(callSignature, env, globalEnv) {}                               \
111         ~type##name##StubBuilder() = default;                                                       \
112         NO_MOVE_SEMANTIC(type##name##StubBuilder);                                                  \
113         NO_COPY_SEMANTIC(type##name##StubBuilder);                                                  \
114         void GenerateCircuit() override;                                                            \
115                                                                                                     \
116     private:                                                                                        \
117         void GenerateCircuitImpl(GateRef glue, GateRef nativeCode, GateRef func, GateRef newTarget, \
118                                  GateRef thisValue, GateRef numArgs);                               \
119     };
120     BUILTINS_STUB_LIST(DECLARE_BUILTINS_STUB_CLASS, DECLARE_BUILTINS_STUB_CLASS_DYN, DECLARE_BUILTINS_STUB_CLASS)
121 
122 #define DECLARE_BUILTINS_STW_COPY_STUB_CLASS(name, base)                                            \
123     class name##StubBuilder : public base##StubBuilder {                                            \
124     public:                                                                                         \
125         name##StubBuilder(CallSignature *callSignature, Environment *env, GateRef globalEnv)        \
126             : base##StubBuilder(callSignature, env, globalEnv) {}                                   \
127         ~name##StubBuilder() = default;                                                             \
128         NO_MOVE_SEMANTIC(name##StubBuilder);                                                        \
129         NO_COPY_SEMANTIC(name##StubBuilder);                                                        \
130     };
131 
132 #define DECLARE_BUILTINS_STW_COPY_STUB_CLASS_SECOND(base)                                           \
133     DECLARE_BUILTINS_STW_COPY_STUB_CLASS(base##StwCopy, base)
134 
135 #define DECLARE_BUILTINS_STW_COPY_STUB_CLASS_DYN(name, base, type)                                  \
136     class type##name##StubBuilder : public type##base##StubBuilder {                                \
137     public:                                                                                         \
138         type##name##StubBuilder(CallSignature *callSignature, Environment *env, GateRef globalEnv)  \
139             : type##base##StubBuilder(callSignature, env, globalEnv) {}                             \
140         ~type##name##StubBuilder() = default;                                                       \
141         NO_MOVE_SEMANTIC(type##name##StubBuilder);                                                  \
142         NO_COPY_SEMANTIC(type##name##StubBuilder);                                                  \
143     };
144 
145 #define DECLARE_BUILTINS_STW_COPY_STUB_CLASS_DYN_SECOND(base, type, ...)                            \
146     DECLARE_BUILTINS_STW_COPY_STUB_CLASS_DYN(base##StwCopy, base, type)
147 
148     BUILTINS_STW_COPY_STUB_LIST(DECLARE_BUILTINS_STW_COPY_STUB_CLASS_SECOND, \
149         DECLARE_BUILTINS_STW_COPY_STUB_CLASS_DYN_SECOND, DECLARE_BUILTINS_STW_COPY_STUB_CLASS_SECOND)
150 
151 #undef DECLARE_BUILTINS_STW_COPY_STUB_CLASS_DYN_SECOND
152 #undef DECLARE_BUILTINS_STW_COPY_STUB_CLASS_DYN
153 #undef DECLARE_BUILTINS_STW_COPY_STUB_CLASS_SECOND
154 #undef DECLARE_BUILTINS_STW_COPY_STUB_CLASS
155 #undef DECLARE_BUILTINS_STUB_CLASS_DYN
156 #undef DECLARE_BUILTINS_STUB_CLASS
157 }  // namespace panda::ecmascript::kungfu
158 #endif  // ECMASCRIPT_COMPILER_BUILTINS_STUB_H
159