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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: set ts=8 sts=2 et sw=2 tw=80:
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef jit_BaselineCacheIRCompiler_h
#define jit_BaselineCacheIRCompiler_h
#include "mozilla/Maybe.h"
#include "gc/Barrier.h"
#include "jit/CacheIR.h"
#include "jit/CacheIRCompiler.h"
namespace js {
namespace jit {
class ICCacheIRStub;
class ICFallbackStub;
ICCacheIRStub* AttachBaselineCacheIRStub(JSContext* cx,
const CacheIRWriter& writer,
CacheKind kind, JSScript* outerScript,
ICScript* icScript,
ICFallbackStub* stub, bool* attached);
// BaselineCacheIRCompiler compiles CacheIR to BaselineIC native code.
class MOZ_RAII BaselineCacheIRCompiler : public CacheIRCompiler {
bool makesGCCalls_;
void tailCallVMInternal(MacroAssembler& masm, TailCallVMFunctionId id);
template <typename Fn, Fn fn>
void tailCallVM(MacroAssembler& masm);
[[nodiscard]] bool emitStoreSlotShared(bool isFixed, ObjOperandId objId,
uint32_t offsetOffset,
ValOperandId rhsId);
[[nodiscard]] bool emitAddAndStoreSlotShared(
CacheOp op, ObjOperandId objId, uint32_t offsetOffset, ValOperandId rhsId,
uint32_t newShapeOffset, mozilla::Maybe<uint32_t> numNewSlotsOffset);
bool updateArgc(CallFlags flags, Register argcReg, Register scratch);
void loadStackObject(ArgumentKind kind, CallFlags flags, size_t stackPushed,
Register argcReg, Register dest);
void pushArguments(Register argcReg, Register calleeReg, Register scratch,
Register scratch2, CallFlags flags, bool isJitCall);
void pushStandardArguments(Register argcReg, Register scratch,
Register scratch2, bool isJitCall,
bool isConstructing);
void pushArrayArguments(Register argcReg, Register scratch, Register scratch2,
bool isJitCall, bool isConstructing);
void pushFunCallArguments(Register argcReg, Register calleeReg,
Register scratch, Register scratch2,
bool isJitCall);
void pushFunApplyArgs(Register argcReg, Register calleeReg, Register scratch,
Register scratch2, bool isJitCall);
void createThis(Register argcReg, Register calleeReg, Register scratch,
CallFlags flags);
template <typename T>
void storeThis(const T& newThis, Register argcReg, CallFlags flags);
void updateReturnValue();
enum class NativeCallType { Native, ClassHook };
bool emitCallNativeShared(NativeCallType callType, ObjOperandId calleeId,
Int32OperandId argcId, CallFlags flags,
mozilla::Maybe<bool> ignoresReturnValue,
mozilla::Maybe<uint32_t> targetOffset);
enum class StringCode { CodeUnit, CodePoint };
bool emitStringFromCodeResult(Int32OperandId codeId, StringCode stringCode);
bool emitCallScriptedGetterShared(ValOperandId receiverId,
uint32_t getterOffset, bool sameRealm,
uint32_t nargsAndFlagsOffset,
mozilla::Maybe<uint32_t> icScriptOffset);
bool emitCallScriptedSetterShared(ObjOperandId receiverId,
uint32_t setterOffset, ValOperandId rhsId,
bool sameRealm,
uint32_t nargsAndFlagsOffset,
mozilla::Maybe<uint32_t> icScriptOffset);
public:
friend class AutoStubFrame;
BaselineCacheIRCompiler(JSContext* cx, const CacheIRWriter& writer,
uint32_t stubDataOffset);
[[nodiscard]] bool init(CacheKind kind);
template <typename Fn, Fn fn>
void callVM(MacroAssembler& masm);
JitCode* compile();
bool makesGCCalls() const;
Address stubAddress(uint32_t offset) const;
private:
CACHE_IR_COMPILER_UNSHARED_GENERATED
};
} // namespace jit
} // namespace js
#endif /* jit_BaselineCacheIRCompiler_h */
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