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// Copyright 2014 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_IC_ACCESS_COMPILER_H_
#define V8_IC_ACCESS_COMPILER_H_
#include "src/code-stubs.h"
#include "src/macro-assembler.h"
#include "src/objects.h"
namespace v8 {
namespace internal {
class PropertyAccessCompiler BASE_EMBEDDED {
public:
static Builtins::Name MissBuiltin(Code::Kind kind) {
switch (kind) {
case Code::LOAD_IC:
return Builtins::kLoadIC_Miss;
case Code::STORE_IC:
return Builtins::kStoreIC_Miss;
case Code::KEYED_LOAD_IC:
return Builtins::kKeyedLoadIC_Miss;
case Code::KEYED_STORE_IC:
return Builtins::kKeyedStoreIC_Miss;
default:
UNREACHABLE();
}
return Builtins::kLoadIC_Miss;
}
static void TailCallBuiltin(MacroAssembler* masm, Builtins::Name name);
protected:
PropertyAccessCompiler(Isolate* isolate, Code::Kind kind,
CacheHolderFlag cache_holder)
: registers_(GetCallingConvention(kind)),
kind_(kind),
cache_holder_(cache_holder),
isolate_(isolate),
masm_(isolate, NULL, 256) {
// TODO(yangguo): remove this once we can serialize IC stubs.
masm_.enable_serializer();
}
Code::Kind kind() const { return kind_; }
CacheHolderFlag cache_holder() const { return cache_holder_; }
MacroAssembler* masm() { return &masm_; }
Isolate* isolate() const { return isolate_; }
Heap* heap() const { return isolate()->heap(); }
Factory* factory() const { return isolate()->factory(); }
Register receiver() const { return registers_[0]; }
Register name() const { return registers_[1]; }
Register slot() const {
DCHECK(FLAG_vector_ics);
return VectorLoadICDescriptor::SlotRegister();
}
Register vector() const {
DCHECK(FLAG_vector_ics);
return VectorLoadICDescriptor::VectorRegister();
}
Register scratch1() const { return registers_[2]; }
Register scratch2() const { return registers_[3]; }
Register scratch3() const { return registers_[4]; }
// Calling convention between indexed store IC and handler.
Register transition_map() const { return scratch1(); }
static Register* GetCallingConvention(Code::Kind);
static Register* load_calling_convention();
static Register* store_calling_convention();
static Register* keyed_store_calling_convention();
Register* registers_;
static void GenerateTailCall(MacroAssembler* masm, Handle<Code> code);
Handle<Code> GetCodeWithFlags(Code::Flags flags, const char* name);
Handle<Code> GetCodeWithFlags(Code::Flags flags, Handle<Name> name);
private:
Code::Kind kind_;
CacheHolderFlag cache_holder_;
Isolate* isolate_;
MacroAssembler masm_;
};
}
} // namespace v8::internal
#endif // V8_IC_ACCESS_COMPILER_H_
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