blob: 9da714bc0ff783e0f126d25d1e5e6459205a93a2 [file] [log] [blame]
// 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();
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> InterpreterPushArgsThenCall(ConvertReceiverMode receiver_mode,
TailCallMode tail_call_mode,
InterpreterPushArgsMode mode);
Handle<Code> InterpreterPushArgsThenConstruct(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();
// Used by SetupIsolateDelegate.
void MarkInitialized() {
DCHECK(!initialized_);
initialized_ = true;
}
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_InterpreterPushArgsThenCallImpl(
MacroAssembler* masm, ConvertReceiverMode receiver_mode,
TailCallMode tail_call_mode, InterpreterPushArgsMode mode);
static void Generate_InterpreterPushArgsThenConstructImpl(
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_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;
friend class SetupIsolateDelegate;
DISALLOW_COPY_AND_ASSIGN(Builtins);
};
} // namespace internal
} // namespace v8
#endif // V8_BUILTINS_BUILTINS_H_