| // Copyright 2011 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef V8_BUILTINS_BUILTINS_H_ |
| #define V8_BUILTINS_BUILTINS_H_ |
| |
| #include "src/base/flags.h" |
| #include "src/builtins/builtins-definitions.h" |
| #include "src/globals.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| class Callable; |
| template <typename T> |
| class Handle; |
| class Isolate; |
| |
| // Forward declarations. |
| class ObjectVisitor; |
| enum class InterpreterPushArgsMode : unsigned; |
| namespace compiler { |
| class CodeAssemblerState; |
| } |
| |
| class Builtins { |
| public: |
| ~Builtins(); |
| |
| // Generate all builtin code objects. Should be called once during |
| // isolate initialization. |
| void SetUp(Isolate* isolate, bool create_heap_objects); |
| void TearDown(); |
| |
| // Garbage collection support. |
| void IterateBuiltins(ObjectVisitor* v); |
| |
| // Disassembler support. |
| const char* Lookup(byte* pc); |
| |
| enum Name : int32_t { |
| #define DEF_ENUM(Name, ...) k##Name, |
| BUILTIN_LIST_ALL(DEF_ENUM) |
| #undef DEF_ENUM |
| builtin_count |
| }; |
| |
| #define DECLARE_BUILTIN_ACCESSOR(Name, ...) \ |
| V8_EXPORT_PRIVATE Handle<Code> Name(); |
| BUILTIN_LIST_ALL(DECLARE_BUILTIN_ACCESSOR) |
| #undef DECLARE_BUILTIN_ACCESSOR |
| |
| // Convenience wrappers. |
| Handle<Code> CallFunction( |
| ConvertReceiverMode = ConvertReceiverMode::kAny, |
| TailCallMode tail_call_mode = TailCallMode::kDisallow); |
| Handle<Code> Call(ConvertReceiverMode = ConvertReceiverMode::kAny, |
| TailCallMode tail_call_mode = TailCallMode::kDisallow); |
| Handle<Code> CallBoundFunction(TailCallMode tail_call_mode); |
| Handle<Code> NonPrimitiveToPrimitive( |
| ToPrimitiveHint hint = ToPrimitiveHint::kDefault); |
| Handle<Code> OrdinaryToPrimitive(OrdinaryToPrimitiveHint hint); |
| Handle<Code> InterpreterPushArgsAndCall(TailCallMode tail_call_mode, |
| InterpreterPushArgsMode mode); |
| Handle<Code> InterpreterPushArgsAndConstruct(InterpreterPushArgsMode mode); |
| Handle<Code> NewFunctionContext(ScopeType scope_type); |
| Handle<Code> NewCloneShallowArray(AllocationSiteMode allocation_mode); |
| Handle<Code> NewCloneShallowObject(int length); |
| |
| Code* builtin(Name name) { |
| // Code::cast cannot be used here since we access builtins |
| // during the marking phase of mark sweep. See IC::Clear. |
| return reinterpret_cast<Code*>(builtins_[name]); |
| } |
| |
| Address builtin_address(Name name) { |
| return reinterpret_cast<Address>(&builtins_[name]); |
| } |
| |
| static Callable CallableFor(Isolate* isolate, Name name); |
| |
| static const char* name(int index); |
| |
| // Returns the C++ entry point for builtins implemented in C++, and the null |
| // Address otherwise. |
| static Address CppEntryOf(int index); |
| |
| static bool IsCpp(int index); |
| static bool IsApi(int index); |
| static bool HasCppImplementation(int index); |
| |
| bool is_initialized() const { return initialized_; } |
| |
| MUST_USE_RESULT static MaybeHandle<Object> InvokeApiFunction( |
| Isolate* isolate, bool is_construct, Handle<HeapObject> function, |
| Handle<Object> receiver, int argc, Handle<Object> args[], |
| Handle<HeapObject> new_target); |
| |
| enum ExitFrameType { EXIT, BUILTIN_EXIT }; |
| |
| static void Generate_Adaptor(MacroAssembler* masm, Address builtin_address, |
| ExitFrameType exit_frame_type); |
| |
| static bool AllowDynamicFunction(Isolate* isolate, Handle<JSFunction> target, |
| Handle<JSObject> target_global_proxy); |
| |
| private: |
| Builtins(); |
| |
| static void Generate_CallFunction(MacroAssembler* masm, |
| ConvertReceiverMode mode, |
| TailCallMode tail_call_mode); |
| |
| static void Generate_CallBoundFunctionImpl(MacroAssembler* masm, |
| TailCallMode tail_call_mode); |
| |
| static void Generate_Call(MacroAssembler* masm, ConvertReceiverMode mode, |
| TailCallMode tail_call_mode); |
| static void Generate_CallForwardVarargs(MacroAssembler* masm, |
| Handle<Code> code); |
| |
| static void Generate_InterpreterPushArgsAndCallImpl( |
| MacroAssembler* masm, TailCallMode tail_call_mode, |
| InterpreterPushArgsMode mode); |
| |
| static void Generate_InterpreterPushArgsAndConstructImpl( |
| MacroAssembler* masm, InterpreterPushArgsMode mode); |
| |
| #define DECLARE_ASM(Name, ...) \ |
| static void Generate_##Name(MacroAssembler* masm); |
| #define DECLARE_TF(Name, ...) \ |
| static void Generate_##Name(compiler::CodeAssemblerState* state); |
| |
| BUILTIN_LIST(IGNORE_BUILTIN, IGNORE_BUILTIN, DECLARE_TF, DECLARE_TF, |
| DECLARE_TF, DECLARE_ASM, DECLARE_ASM) |
| |
| #undef DECLARE_ASM |
| #undef DECLARE_TF |
| |
| // Note: These are always Code objects, but to conform with |
| // IterateBuiltins() above which assumes Object**'s for the callback |
| // function f, we use an Object* array here. |
| Object* builtins_[builtin_count]; |
| bool initialized_; |
| |
| friend class Isolate; |
| |
| DISALLOW_COPY_AND_ASSIGN(Builtins); |
| }; |
| |
| } // namespace internal |
| } // namespace v8 |
| |
| #endif // V8_BUILTINS_BUILTINS_H_ |