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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* 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_BaselineCacheIR_h
#define jit_BaselineCacheIR_h
#include "gc/Barrier.h"
#include "jit/CacheIR.h"
namespace js {
namespace jit {
class ICFallbackStub;
class ICStub;
// See the 'Sharing Baseline stub code' comment in CacheIR.h for a description
// of this class.
class CacheIRStubInfo
{
CacheKind kind_;
uint8_t stubDataOffset_;
const uint8_t* code_;
uint32_t length_;
const uint8_t* gcTypes_;
CacheIRStubInfo(CacheKind kind, uint32_t stubDataOffset, const uint8_t* code, uint32_t codeLength,
const uint8_t* gcTypes)
: kind_(kind),
stubDataOffset_(stubDataOffset),
code_(code),
length_(codeLength),
gcTypes_(gcTypes)
{
MOZ_ASSERT(stubDataOffset_ == stubDataOffset, "stubDataOffset must fit in uint8_t");
}
CacheIRStubInfo(const CacheIRStubInfo&) = delete;
CacheIRStubInfo& operator=(const CacheIRStubInfo&) = delete;
public:
CacheKind kind() const { return kind_; }
const uint8_t* code() const { return code_; }
uint32_t codeLength() const { return length_; }
uint32_t stubDataOffset() const { return stubDataOffset_; }
StubField::GCType gcType(uint32_t i) const { return (StubField::GCType)gcTypes_[i]; }
static CacheIRStubInfo* New(CacheKind kind, uint32_t stubDataOffset,
const CacheIRWriter& writer);
template <class T>
js::GCPtr<T>& getStubField(ICStub* stub, uint32_t field) const;
};
void TraceBaselineCacheIRStub(JSTracer* trc, ICStub* stub, const CacheIRStubInfo* stubInfo);
ICStub* AttachBaselineCacheIRStub(JSContext* cx, const CacheIRWriter& writer, CacheKind kind,
ICFallbackStub* stub);
} // namespace jit
} // namespace js
#endif /* jit_BaselineCacheIR_h */
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