1 // Copyright 2015 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef V8_INTERPRETER_INTERPRETER_INTRINSICS_H_ 6 #define V8_INTERPRETER_INTERPRETER_INTRINSICS_H_ 7 8 #include "src/allocation.h" 9 #include "src/base/smart-pointers.h" 10 #include "src/builtins.h" 11 #include "src/frames.h" 12 #include "src/interpreter/bytecodes.h" 13 #include "src/interpreter/interpreter-assembler.h" 14 #include "src/runtime/runtime.h" 15 16 namespace v8 { 17 namespace internal { 18 19 namespace compiler { 20 class Node; 21 } // namespace compiler 22 23 namespace interpreter { 24 25 // List of supported intrisics, with upper case name, lower case name and 26 // expected number of arguments (-1 denoting argument count is variable). 27 #define INTRINSICS_LIST(V) \ 28 V(Call, call, -1) \ 29 V(HasProperty, has_property, 2) \ 30 V(IsArray, is_array, 1) \ 31 V(IsJSProxy, is_js_proxy, 1) \ 32 V(IsJSReceiver, is_js_receiver, 1) \ 33 V(IsRegExp, is_regexp, 1) \ 34 V(IsSmi, is_smi, 1) \ 35 V(IsTypedArray, is_typed_array, 1) \ 36 V(MathPow, math_pow, 2) \ 37 V(NewObject, new_object, 2) \ 38 V(NumberToString, number_to_string, 1) \ 39 V(RegExpConstructResult, reg_exp_construct_result, 3) \ 40 V(RegExpExec, reg_exp_exec, 4) \ 41 V(SubString, sub_string, 3) \ 42 V(ToString, to_string, 1) \ 43 V(ToName, to_name, 1) \ 44 V(ToLength, to_length, 1) \ 45 V(ToInteger, to_integer, 1) \ 46 V(ToNumber, to_number, 1) \ 47 V(ToObject, to_object, 1) \ 48 V(ValueOf, value_of, 1) 49 50 class IntrinsicsHelper { 51 public: 52 enum class IntrinsicId { 53 #define DECLARE_INTRINSIC_ID(name, lower_case, count) k##name, 54 INTRINSICS_LIST(DECLARE_INTRINSIC_ID) 55 #undef DECLARE_INTRINSIC_ID 56 kIdCount 57 }; 58 STATIC_ASSERT(static_cast<uint32_t>(IntrinsicId::kIdCount) <= kMaxUInt8); 59 60 explicit IntrinsicsHelper(InterpreterAssembler* assembler); 61 62 compiler::Node* InvokeIntrinsic(compiler::Node* function_id, 63 compiler::Node* context, 64 compiler::Node* first_arg_reg, 65 compiler::Node* arg_count); 66 67 static bool IsSupported(Runtime::FunctionId function_id); 68 static IntrinsicId FromRuntimeId(Runtime::FunctionId function_id); 69 static Runtime::FunctionId ToRuntimeId(IntrinsicId intrinsic_id); 70 71 private: 72 enum InstanceTypeCompareMode { 73 kInstanceTypeEqual, 74 kInstanceTypeGreaterThanOrEqual 75 }; 76 77 compiler::Node* IsInstanceType(compiler::Node* input, int type); 78 compiler::Node* CompareInstanceType(compiler::Node* map, int type, 79 InstanceTypeCompareMode mode); 80 compiler::Node* IntrinsicAsStubCall(compiler::Node* input, 81 compiler::Node* context, 82 Callable const& callable); 83 void AbortIfArgCountMismatch(int expected, compiler::Node* actual); 84 85 #define DECLARE_INTRINSIC_HELPER(name, lower_case, count) \ 86 compiler::Node* name(compiler::Node* input, compiler::Node* arg_count, \ 87 compiler::Node* context); INTRINSICS_LIST(DECLARE_INTRINSIC_HELPER)88 INTRINSICS_LIST(DECLARE_INTRINSIC_HELPER) 89 #undef DECLARE_INTRINSIC_HELPER 90 91 Isolate* isolate() { return isolate_; } zone()92 Zone* zone() { return zone_; } 93 94 Isolate* isolate_; 95 Zone* zone_; 96 InterpreterAssembler* assembler_; 97 98 DISALLOW_COPY_AND_ASSIGN(IntrinsicsHelper); 99 }; 100 101 } // namespace interpreter 102 } // namespace internal 103 } // namespace v8 104 105 #endif 106