v8::internal::PlatformCodeStub Class Reference

#include <code-stubs.h>

Inheritance diagram for v8::internal::PlatformCodeStub:

Collaboration diagram for v8::internal::PlatformCodeStub:

Public Member Functions
virtual Handle< Code >	GenerateCode () OVERRIDE
virtual Code::Kind	GetCodeKind () const

Protected Member Functions
	PlatformCodeStub (Isolate *isolate)
virtual void	Generate (MacroAssembler *masm)=0
	DEFINE_CODE_STUB_BASE (PlatformCodeStub, CodeStub)

Detailed Description

Definition at line 333 of file code-stubs.h.

Constructor & Destructor Documentation

PlatformCodeStub()

v8::internal::PlatformCodeStub::PlatformCodeStub ( Isolate *  isolate )

inlineexplicitprotected

Definition at line 341 of file code-stubs.h.

: CodeStub(isolate) {}

Member Function Documentation

DEFINE_CODE_STUB_BASE()

v8::internal::PlatformCodeStub::DEFINE_CODE_STUB_BASE ( PlatformCodeStub  , CodeStub    )

protected

Generate()

virtual void v8::internal::PlatformCodeStub::Generate ( MacroAssembler *  masm )

protectedpure virtual

Implemented in v8::internal::RecordWriteStub, v8::internal::RecordWriteStub, v8::internal::RecordWriteStub, v8::internal::RecordWriteStub, v8::internal::RecordWriteStub, v8::internal::RecordWriteStub, v8::internal::RecordWriteStub, and v8::internal::WriteInt32ToHeapNumberStub.

Referenced by GenerateCode().

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GenerateCode()

Handle< Code > v8::internal::PlatformCodeStub::GenerateCode ( )

virtual

Definition at line 100 of file code-stubs.cc.

                                            {
  Factory* factory = isolate()->factory();
 
  // Generate the new code.
  MacroAssembler masm(isolate(), NULL, 256);
 
  // TODO(yangguo) remove this once the code serializer handles code stubs.
  if (FLAG_serialize_toplevel) masm.enable_serializer();
 
  {
    // Update the static counter each time a new code stub is generated.
    isolate()->counters()->code_stubs()->Increment();
 
    // Generate the code for the stub.
    masm.set_generating_stub(true);
    NoCurrentFrameScope scope(&masm);
    Generate(&masm);
  }
 
  // Create the code object.
  CodeDesc desc;
  masm.GetCode(&desc);
 
  // Copy the generated code into a heap object.
  Code::Flags flags = Code::ComputeFlags(
      GetCodeKind(),
      GetICState(),
      GetExtraICState(),
      GetStubType());
  Handle<Code> new_object = factory->NewCode(
      desc, flags, masm.CodeObject(), NeedsImmovableCode());
  return new_object;
}

References v8::internal::MacroAssembler::CodeObject(), v8::internal::Code::ComputeFlags(), v8::internal::AssemblerBase::enable_serializer(), v8::internal::anonymous_namespace{flags.cc}::flags, Generate(), v8::internal::Assembler::GetCode(), GetCodeKind(), NULL, and v8::internal::MacroAssembler::set_generating_stub().

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GetCodeKind()

virtual Code::Kind v8::internal::PlatformCodeStub::GetCodeKind ( ) const

inlinevirtual

Reimplemented in v8::internal::KeyedLoadICTrampolineStub, v8::internal::LoadICTrampolineStub, v8::internal::FINAL< kOperandKind, kNumCachedOperands >, v8::internal::CallICStub, v8::internal::FINAL< kOperandKind, kNumCachedOperands >, v8::internal::CompareICStub, v8::internal::LoadIndexedInterceptorStub, and v8::internal::FunctionPrototypeStub.

Definition at line 338 of file code-stubs.h.

{ return Code::STUB; }

References v8::internal::STUB.

Referenced by GenerateCode().

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The documentation for this class was generated from the following files:

• /mnt/V8SourceCode/src/code-stubs.h
• /mnt/V8SourceCode/src/code-stubs.cc