[builtins] move conversions, debugger, handlers, interpreter builtins.

src/builtins/builtins.cc

 // Copyright 2012 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.
 
 #include "src/builtins/builtins.h"
 #include "src/builtins/builtins-utils.h"
 
 #include "src/api-arguments.h"
 #include "src/api-natives.h"
 #include "src/code-factory.h"
@@ skipping 321 matching lines @@
   switch (tail_call_mode) {
     case TailCallMode::kDisallow:
       return CallBoundFunction();
     case TailCallMode::kAllow:
       return TailCallBoundFunction();
   }
   UNREACHABLE();
   return Handle<Code>::null();
 }
 
-Handle<Code> Builtins::NonPrimitiveToPrimitive(ToPrimitiveHint hint) {
-  switch (hint) {
-    case ToPrimitiveHint::kDefault:
-      return NonPrimitiveToPrimitive_Default();
-    case ToPrimitiveHint::kNumber:
-      return NonPrimitiveToPrimitive_Number();
-    case ToPrimitiveHint::kString:
-      return NonPrimitiveToPrimitive_String();
-  }
-  UNREACHABLE();
-  return Handle<Code>::null();
-}
-
-Handle<Code> Builtins::OrdinaryToPrimitive(OrdinaryToPrimitiveHint hint) {
-  switch (hint) {
-    case OrdinaryToPrimitiveHint::kNumber:
-      return OrdinaryToPrimitive_Number();
-    case OrdinaryToPrimitiveHint::kString:
-      return OrdinaryToPrimitive_String();
-  }
-  UNREACHABLE();
-  return Handle<Code>::null();
-}
-
-Handle<Code> Builtins::InterpreterPushArgsAndCall(TailCallMode tail_call_mode,
-                                                  CallableType function_type) {
-  switch (tail_call_mode) {
-    case TailCallMode::kDisallow:
-      if (function_type == CallableType::kJSFunction) {
-        return InterpreterPushArgsAndCallFunction();
-      } else {
-        return InterpreterPushArgsAndCall();
-      }
-    case TailCallMode::kAllow:
-      if (function_type == CallableType::kJSFunction) {
-        return InterpreterPushArgsAndTailCallFunction();
-      } else {
-        return InterpreterPushArgsAndTailCall();
-      }
-  }
-  UNREACHABLE();
-  return Handle<Code>::null();
-}
-
 namespace {
 
 class RelocatableArguments : public BuiltinArguments, public Relocatable {
  public:
   RelocatableArguments(Isolate* isolate, int length, Object** arguments)
       : BuiltinArguments(length, arguments), Relocatable(isolate) {}
 
   virtual inline void IterateInstance(ObjectVisitor* v) {
     if (length() == 0) return;
     v->VisitPointers(lowest_address(), highest_address() + 1);
@@ skipping 124 matching lines @@
 BUILTIN(HandleApiCallAsFunction) {
   return HandleApiCallAsFunctionOrConstructor(isolate, false, args);
 }
 
 // Handle calls to non-function objects created through the API. This delegate
 // function is used when the call is a construct call.
 BUILTIN(HandleApiCallAsConstructor) {
   return HandleApiCallAsFunctionOrConstructor(isolate, true, args);
 }
 
-void Builtins::Generate_LoadIC_Miss(CodeStubAssembler* assembler) {
-  typedef compiler::Node Node;
-
-  Node* receiver = assembler->Parameter(0);
-  Node* name = assembler->Parameter(1);
-  Node* slot = assembler->Parameter(2);
-  Node* vector = assembler->Parameter(3);
-  Node* context = assembler->Parameter(4);
-
-  assembler->TailCallRuntime(Runtime::kLoadIC_Miss, context, receiver, name,
-                             slot, vector);
-}
-
-void Builtins::Generate_LoadGlobalIC_Miss(CodeStubAssembler* assembler) {
-  typedef compiler::Node Node;
-
-  Node* slot = assembler->Parameter(0);
-  Node* vector = assembler->Parameter(1);
-  Node* context = assembler->Parameter(2);
-
-  assembler->TailCallRuntime(Runtime::kLoadGlobalIC_Miss, context, slot,
-                             vector);
-}
-
-void Builtins::Generate_LoadIC_Normal(MacroAssembler* masm) {
-  LoadIC::GenerateNormal(masm);
-}
-
-void Builtins::Generate_LoadIC_Getter_ForDeopt(MacroAssembler* masm) {
-  NamedLoadHandlerCompiler::GenerateLoadViaGetterForDeopt(masm);
-}
-
-void Builtins::Generate_LoadIC_Slow(CodeStubAssembler* assembler) {
-  typedef compiler::Node Node;
-
-  Node* receiver = assembler->Parameter(0);
-  Node* name = assembler->Parameter(1);
-  // Node* slot = assembler->Parameter(2);
-  // Node* vector = assembler->Parameter(3);
-  Node* context = assembler->Parameter(4);
-
-  assembler->TailCallRuntime(Runtime::kGetProperty, context, receiver, name);
-}
-
-namespace {
-void Generate_LoadGlobalIC_Slow(CodeStubAssembler* assembler, TypeofMode mode) {
-  typedef compiler::Node Node;
-
-  Node* slot = assembler->Parameter(0);
-  Node* vector = assembler->Parameter(1);
-  Node* context = assembler->Parameter(2);
-  Node* typeof_mode = assembler->SmiConstant(Smi::FromInt(mode));
-
-  assembler->TailCallRuntime(Runtime::kGetGlobal, context, slot, vector,
-                             typeof_mode);
-}
-}  // anonymous namespace
-
-void Builtins::Generate_LoadGlobalIC_SlowInsideTypeof(
-    CodeStubAssembler* assembler) {
-  Generate_LoadGlobalIC_Slow(assembler, INSIDE_TYPEOF);
-}
-
-void Builtins::Generate_LoadGlobalIC_SlowNotInsideTypeof(
-    CodeStubAssembler* assembler) {
-  Generate_LoadGlobalIC_Slow(assembler, NOT_INSIDE_TYPEOF);
-}
-
-void Builtins::Generate_KeyedLoadIC_Slow(MacroAssembler* masm) {
-  KeyedLoadIC::GenerateRuntimeGetProperty(masm);
-}
-
-void Builtins::Generate_KeyedLoadIC_Miss(MacroAssembler* masm) {
-  KeyedLoadIC::GenerateMiss(masm);
-}
-
-void Builtins::Generate_KeyedLoadIC_Megamorphic(MacroAssembler* masm) {
-  KeyedLoadIC::GenerateMegamorphic(masm);
-}
-
-void Builtins::Generate_StoreIC_Miss(CodeStubAssembler* assembler) {
-  typedef compiler::Node Node;
-
-  Node* receiver = assembler->Parameter(0);
-  Node* name = assembler->Parameter(1);
-  Node* value = assembler->Parameter(2);
-  Node* slot = assembler->Parameter(3);
-  Node* vector = assembler->Parameter(4);
-  Node* context = assembler->Parameter(5);
-
-  assembler->TailCallRuntime(Runtime::kStoreIC_Miss, context, receiver, name,
-                             value, slot, vector);
-}
-
-void Builtins::Generate_StoreIC_Normal(MacroAssembler* masm) {
-  StoreIC::GenerateNormal(masm);
-}
-
-namespace {
-void Generate_StoreIC_Slow(CodeStubAssembler* assembler,
-                           LanguageMode language_mode) {
-  typedef compiler::Node Node;
-
-  Node* receiver = assembler->Parameter(0);
-  Node* name = assembler->Parameter(1);
-  Node* value = assembler->Parameter(2);
-  // Node* slot = assembler->Parameter(3);
-  // Node* vector = assembler->Parameter(4);
-  Node* context = assembler->Parameter(5);
-  Node* lang_mode = assembler->SmiConstant(Smi::FromInt(language_mode));
-
-  // The slow case calls into the runtime to complete the store without causing
-  // an IC miss that would otherwise cause a transition to the generic stub.
-  assembler->TailCallRuntime(Runtime::kSetProperty, context, receiver, name,
-                             value, lang_mode);
-}
-}  // anonymous namespace
-
-void Builtins::Generate_StoreIC_SlowSloppy(CodeStubAssembler* assembler) {
-  Generate_StoreIC_Slow(assembler, SLOPPY);
-}
-
-void Builtins::Generate_StoreIC_SlowStrict(CodeStubAssembler* assembler) {
-  Generate_StoreIC_Slow(assembler, STRICT);
-}
-
-namespace {
-// 7.1.1.1 OrdinaryToPrimitive ( O, hint )
-void Generate_OrdinaryToPrimitive(CodeStubAssembler* assembler,
-                                  OrdinaryToPrimitiveHint hint) {
-  typedef CodeStubAssembler::Label Label;
-  typedef compiler::Node Node;
-  typedef CodeStubAssembler::Variable Variable;
-
-  Node* input = assembler->Parameter(0);
-  Node* context = assembler->Parameter(1);
-
-  Variable var_result(assembler, MachineRepresentation::kTagged);
-  Label return_result(assembler, &var_result);
-
-  Handle<String> method_names[2];
-  switch (hint) {
-    case OrdinaryToPrimitiveHint::kNumber:
-      method_names[0] = assembler->factory()->valueOf_string();
-      method_names[1] = assembler->factory()->toString_string();
-      break;
-    case OrdinaryToPrimitiveHint::kString:
-      method_names[0] = assembler->factory()->toString_string();
-      method_names[1] = assembler->factory()->valueOf_string();
-      break;
-  }
-  for (Handle<String> name : method_names) {
-    // Lookup the {name} on the {input}.
-    Callable callable = CodeFactory::GetProperty(assembler->isolate());
-    Node* name_string = assembler->HeapConstant(name);
-    Node* method = assembler->CallStub(callable, context, input, name_string);
-
-    // Check if the {method} is callable.
-    Label if_methodiscallable(assembler),
-        if_methodisnotcallable(assembler, Label::kDeferred);
-    assembler->GotoIf(assembler->WordIsSmi(method), &if_methodisnotcallable);
-    Node* method_map = assembler->LoadMap(method);
-    Node* method_bit_field = assembler->LoadMapBitField(method_map);
-    assembler->Branch(
-        assembler->Word32Equal(
-            assembler->Word32And(method_bit_field, assembler->Int32Constant(
-                                                       1 << Map::kIsCallable)),
-            assembler->Int32Constant(0)),
-        &if_methodisnotcallable, &if_methodiscallable);
-
-    assembler->Bind(&if_methodiscallable);
-    {
-      // Call the {method} on the {input}.
-      Callable callable = CodeFactory::Call(assembler->isolate());
-      Node* result = assembler->CallJS(callable, context, method, input);
-      var_result.Bind(result);
-
-      // Return the {result} if it is a primitive.
-      assembler->GotoIf(assembler->WordIsSmi(result), &return_result);
-      Node* result_instance_type = assembler->LoadInstanceType(result);
-      STATIC_ASSERT(FIRST_PRIMITIVE_TYPE == FIRST_TYPE);
-      assembler->GotoIf(assembler->Int32LessThanOrEqual(
-                            result_instance_type,
-                            assembler->Int32Constant(LAST_PRIMITIVE_TYPE)),
-                        &return_result);
-    }
-
-    // Just continue with the next {name} if the {method} is not callable.
-    assembler->Goto(&if_methodisnotcallable);
-    assembler->Bind(&if_methodisnotcallable);
-  }
-
-  assembler->TailCallRuntime(Runtime::kThrowCannotConvertToPrimitive, context);
-
-  assembler->Bind(&return_result);
-  assembler->Return(var_result.value());
-}
-}  // anonymous namespace
-
-void Builtins::Generate_OrdinaryToPrimitive_Number(
-    CodeStubAssembler* assembler) {
-  Generate_OrdinaryToPrimitive(assembler, OrdinaryToPrimitiveHint::kNumber);
-}
-
-void Builtins::Generate_OrdinaryToPrimitive_String(
-    CodeStubAssembler* assembler) {
-  Generate_OrdinaryToPrimitive(assembler, OrdinaryToPrimitiveHint::kString);
-}
-
-namespace {
-// ES6 section 7.1.1 ToPrimitive ( input [ , PreferredType ] )
-void Generate_NonPrimitiveToPrimitive(CodeStubAssembler* assembler,
-                                      ToPrimitiveHint hint) {
-  typedef CodeStubAssembler::Label Label;
-  typedef compiler::Node Node;
-
-  Node* input = assembler->Parameter(0);
-  Node* context = assembler->Parameter(1);
-
-  // Lookup the @@toPrimitive property on the {input}.
-  Callable callable = CodeFactory::GetProperty(assembler->isolate());
-  Node* to_primitive_symbol =
-      assembler->HeapConstant(assembler->factory()->to_primitive_symbol());
-  Node* exotic_to_prim =
-      assembler->CallStub(callable, context, input, to_primitive_symbol);
-
-  // Check if {exotic_to_prim} is neither null nor undefined.
-  Label ordinary_to_primitive(assembler);
-  assembler->GotoIf(
-      assembler->WordEqual(exotic_to_prim, assembler->NullConstant()),
-      &ordinary_to_primitive);
-  assembler->GotoIf(
-      assembler->WordEqual(exotic_to_prim, assembler->UndefinedConstant()),
-      &ordinary_to_primitive);
-  {
-    // Invoke the {exotic_to_prim} method on the {input} with a string
-    // representation of the {hint}.
-    Callable callable = CodeFactory::Call(assembler->isolate());
-    Node* hint_string = assembler->HeapConstant(
-        assembler->factory()->ToPrimitiveHintString(hint));
-    Node* result = assembler->CallJS(callable, context, exotic_to_prim, input,
-                                     hint_string);
-
-    // Verify that the {result} is actually a primitive.
-    Label if_resultisprimitive(assembler),
-        if_resultisnotprimitive(assembler, Label::kDeferred);
-    assembler->GotoIf(assembler->WordIsSmi(result), &if_resultisprimitive);
-    Node* result_instance_type = assembler->LoadInstanceType(result);
-    STATIC_ASSERT(FIRST_PRIMITIVE_TYPE == FIRST_TYPE);
-    assembler->Branch(assembler->Int32LessThanOrEqual(
-                          result_instance_type,
-                          assembler->Int32Constant(LAST_PRIMITIVE_TYPE)),
-                      &if_resultisprimitive, &if_resultisnotprimitive);
-
-    assembler->Bind(&if_resultisprimitive);
-    {
-      // Just return the {result}.
-      assembler->Return(result);
-    }
-
-    assembler->Bind(&if_resultisnotprimitive);
-    {
-      // Somehow the @@toPrimitive method on {input} didn't yield a primitive.
-      assembler->TailCallRuntime(Runtime::kThrowCannotConvertToPrimitive,
-                                 context);
-    }
-  }
-
-  // Convert using the OrdinaryToPrimitive algorithm instead.
-  assembler->Bind(&ordinary_to_primitive);
-  {
-    Callable callable = CodeFactory::OrdinaryToPrimitive(
-        assembler->isolate(), (hint == ToPrimitiveHint::kString)
-                                  ? OrdinaryToPrimitiveHint::kString
-                                  : OrdinaryToPrimitiveHint::kNumber);
-    assembler->TailCallStub(callable, context, input);
-  }
-}
-}  // anonymous namespace
-
-void Builtins::Generate_NonPrimitiveToPrimitive_Default(
-    CodeStubAssembler* assembler) {
-  Generate_NonPrimitiveToPrimitive(assembler, ToPrimitiveHint::kDefault);
-}
-
-void Builtins::Generate_NonPrimitiveToPrimitive_Number(
-    CodeStubAssembler* assembler) {
-  Generate_NonPrimitiveToPrimitive(assembler, ToPrimitiveHint::kNumber);
-}
-
-void Builtins::Generate_NonPrimitiveToPrimitive_String(
-    CodeStubAssembler* assembler) {
-  Generate_NonPrimitiveToPrimitive(assembler, ToPrimitiveHint::kString);
-}
-
-// ES6 section 7.1.3 ToNumber ( argument )
-void Builtins::Generate_NonNumberToNumber(CodeStubAssembler* assembler) {
-  typedef CodeStubAssembler::Label Label;
-  typedef compiler::Node Node;
-  typedef CodeStubAssembler::Variable Variable;
-
-  Node* input = assembler->Parameter(0);
-  Node* context = assembler->Parameter(1);
-
-  // We might need to loop once here due to ToPrimitive conversions.
-  Variable var_input(assembler, MachineRepresentation::kTagged);
-  Label loop(assembler, &var_input);
-  var_input.Bind(input);
-  assembler->Goto(&loop);
-  assembler->Bind(&loop);
-  {
-    // Load the current {input} value (known to be a HeapObject).
-    Node* input = var_input.value();
-
-    // Dispatch on the {input} instance type.
-    Node* input_instance_type = assembler->LoadInstanceType(input);
-    Label if_inputisstring(assembler), if_inputisoddball(assembler),
-        if_inputisreceiver(assembler, Label::kDeferred),
-        if_inputisother(assembler, Label::kDeferred);
-    assembler->GotoIf(assembler->Int32LessThan(
-                          input_instance_type,
-                          assembler->Int32Constant(FIRST_NONSTRING_TYPE)),
-                      &if_inputisstring);
-    assembler->GotoIf(
-        assembler->Word32Equal(input_instance_type,
-                               assembler->Int32Constant(ODDBALL_TYPE)),
-        &if_inputisoddball);
-    STATIC_ASSERT(LAST_JS_RECEIVER_TYPE == LAST_TYPE);
-    assembler->Branch(assembler->Int32GreaterThanOrEqual(
-                          input_instance_type,
-                          assembler->Int32Constant(FIRST_JS_RECEIVER_TYPE)),
-                      &if_inputisreceiver, &if_inputisother);
-
-    assembler->Bind(&if_inputisstring);
-    {
-      // The {input} is a String, use the fast stub to convert it to a Number.
-      // TODO(bmeurer): Consider inlining the StringToNumber logic here.
-      Callable callable = CodeFactory::StringToNumber(assembler->isolate());
-      assembler->TailCallStub(callable, context, input);
-    }
-
-    assembler->Bind(&if_inputisoddball);
-    {
-      // The {input} is an Oddball, we just need to the Number value of it.
-      Node* result =
-          assembler->LoadObjectField(input, Oddball::kToNumberOffset);
-      assembler->Return(result);
-    }
-
-    assembler->Bind(&if_inputisreceiver);
-    {
-      // The {input} is a JSReceiver, we need to convert it to a Primitive first
-      // using the ToPrimitive type conversion, preferably yielding a Number.
-      Callable callable = CodeFactory::NonPrimitiveToPrimitive(
-          assembler->isolate(), ToPrimitiveHint::kNumber);
-      Node* result = assembler->CallStub(callable, context, input);
-
-      // Check if the {result} is already a Number.
-      Label if_resultisnumber(assembler), if_resultisnotnumber(assembler);
-      assembler->GotoIf(assembler->WordIsSmi(result), &if_resultisnumber);
-      Node* result_map = assembler->LoadMap(result);
-      assembler->Branch(
-          assembler->WordEqual(result_map, assembler->HeapNumberMapConstant()),
-          &if_resultisnumber, &if_resultisnotnumber);
-
-      assembler->Bind(&if_resultisnumber);
-      {
-        // The ToPrimitive conversion already gave us a Number, so we're done.
-        assembler->Return(result);
-      }
-
-      assembler->Bind(&if_resultisnotnumber);
-      {
-        // We now have a Primitive {result}, but it's not yet a Number.
-        var_input.Bind(result);
-        assembler->Goto(&loop);
-      }
-    }
-
-    assembler->Bind(&if_inputisother);
-    {
-      // The {input} is something else (i.e. Symbol or Simd128Value), let the
-      // runtime figure out the correct exception.
-      // Note: We cannot tail call to the runtime here, as js-to-wasm
-      // trampolines also use this code currently, and they declare all
-      // outgoing parameters as untagged, while we would push a tagged
-      // object here.
-      Node* result = assembler->CallRuntime(Runtime::kToNumber, context, input);
-      assembler->Return(result);
-    }
-  }
-}
-
-// ES6 section 7.1.2 ToBoolean ( argument )
-void Builtins::Generate_ToBoolean(CodeStubAssembler* assembler) {
-  typedef compiler::Node Node;
-  typedef CodeStubAssembler::Label Label;
-
-  Node* value = assembler->Parameter(0);
-
-  Label return_true(assembler), return_false(assembler);
-  assembler->BranchIfToBooleanIsTrue(value, &return_true, &return_false);
-
-  assembler->Bind(&return_true);
-  assembler->Return(assembler->BooleanConstant(true));
-
-  assembler->Bind(&return_false);
-  assembler->Return(assembler->BooleanConstant(false));
-}
-
-void Builtins::Generate_KeyedStoreIC_Slow(MacroAssembler* masm) {
-  ElementHandlerCompiler::GenerateStoreSlow(masm);
-}
-
-void Builtins::Generate_StoreIC_Setter_ForDeopt(MacroAssembler* masm) {
-  NamedStoreHandlerCompiler::GenerateStoreViaSetterForDeopt(masm);
-}
-
-void Builtins::Generate_KeyedStoreIC_Megamorphic(MacroAssembler* masm) {
-  KeyedStoreIC::GenerateMegamorphic(masm, SLOPPY);
-}
-
-void Builtins::Generate_KeyedStoreIC_Megamorphic_Strict(MacroAssembler* masm) {
-  KeyedStoreIC::GenerateMegamorphic(masm, STRICT);
-}
-
-void Builtins::Generate_KeyedStoreIC_Miss(MacroAssembler* masm) {
-  KeyedStoreIC::GenerateMiss(masm);
-}
-
-void Builtins::Generate_Return_DebugBreak(MacroAssembler* masm) {
-  DebugCodegen::GenerateDebugBreakStub(masm,
-                                       DebugCodegen::SAVE_RESULT_REGISTER);
-}
-
-void Builtins::Generate_Slot_DebugBreak(MacroAssembler* masm) {
-  DebugCodegen::GenerateDebugBreakStub(masm,
-                                       DebugCodegen::IGNORE_RESULT_REGISTER);
-}
-
-void Builtins::Generate_FrameDropper_LiveEdit(MacroAssembler* masm) {
-  DebugCodegen::GenerateFrameDropperLiveEdit(masm);
-}
-
 Builtins::Builtins() : initialized_(false) {
   memset(builtins_, 0, sizeof(builtins_[0]) * builtin_count);
 }
 
 Builtins::~Builtins() {}
 
 namespace {
 void PostBuildProfileAndTracing(Isolate* isolate, Code* code,
                                 const char* name) {
   PROFILE(isolate, CodeCreateEvent(CodeEventListener::BUILTIN_TAG,
@@ skipping 239 matching lines @@
 void Builtins::Generate_TailCall_ReceiverIsNotNullOrUndefined(
     MacroAssembler* masm) {
   Generate_Call(masm, ConvertReceiverMode::kNotNullOrUndefined,
                 TailCallMode::kAllow);
 }
 
 void Builtins::Generate_TailCall_ReceiverIsAny(MacroAssembler* masm) {
   Generate_Call(masm, ConvertReceiverMode::kAny, TailCallMode::kAllow);
 }
 
-void Builtins::Generate_InterpreterPushArgsAndCall(MacroAssembler* masm) {
-  return Generate_InterpreterPushArgsAndCallImpl(masm, TailCallMode::kDisallow,
-                                                 CallableType::kAny);
-}
-void Builtins::Generate_InterpreterPushArgsAndTailCall(MacroAssembler* masm) {
-  return Generate_InterpreterPushArgsAndCallImpl(masm, TailCallMode::kAllow,
-                                                 CallableType::kAny);
-}
-
-void Builtins::Generate_InterpreterPushArgsAndCallFunction(
-    MacroAssembler* masm) {
-  return Generate_InterpreterPushArgsAndCallImpl(masm, TailCallMode::kDisallow,
-                                                 CallableType::kJSFunction);
-}
-
-void Builtins::Generate_InterpreterPushArgsAndTailCallFunction(
-    MacroAssembler* masm) {
-  return Generate_InterpreterPushArgsAndCallImpl(masm, TailCallMode::kAllow,
-                                                 CallableType::kJSFunction);
-}
 
 #define DEFINE_BUILTIN_ACCESSOR(Name, ...)                                    \
   Handle<Code> Builtins::Name() {                                             \
     Code** code_address = reinterpret_cast<Code**>(builtin_address(k##Name)); \
     return Handle<Code>(code_address);                                        \
   }
 BUILTIN_LIST_ALL(DEFINE_BUILTIN_ACCESSOR)
 #undef DEFINE_BUILTIN_ACCESSOR
 
 }  // namespace internal
 }  // namespace v8