mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2024-11-26 21:50:53 +00:00
395 lines
11 KiB
C++
395 lines
11 KiB
C++
/*
|
|
* Copyright (C) 2011-2021 Apple Inc. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
|
|
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
|
|
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
|
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
|
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
|
|
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include "GPRInfo.h"
|
|
#include "Instruction.h"
|
|
#include "JSCJSValue.h"
|
|
#include "MacroAssemblerCodeRef.h"
|
|
#include "Opcode.h"
|
|
|
|
namespace JSC {
|
|
|
|
class VM;
|
|
|
|
#if ENABLE(C_LOOP)
|
|
typedef OpcodeID LLIntCode;
|
|
#else
|
|
typedef void (*LLIntCode)();
|
|
#endif
|
|
|
|
namespace LLInt {
|
|
|
|
extern "C" JS_EXPORT_PRIVATE Opcode g_opcodeMap[numOpcodeIDs + numWasmOpcodeIDs];
|
|
extern "C" JS_EXPORT_PRIVATE Opcode g_opcodeMapWide16[numOpcodeIDs + numWasmOpcodeIDs];
|
|
extern "C" JS_EXPORT_PRIVATE Opcode g_opcodeMapWide32[numOpcodeIDs + numWasmOpcodeIDs];
|
|
|
|
class Data {
|
|
|
|
public:
|
|
static void performAssertions(VM&);
|
|
|
|
private:
|
|
friend void initialize();
|
|
|
|
friend Instruction* exceptionInstructions();
|
|
friend Instruction* wasmExceptionInstructions();
|
|
friend Opcode* opcodeMap();
|
|
friend Opcode* opcodeMapWide16();
|
|
friend Opcode* opcodeMapWide32();
|
|
friend Opcode getOpcode(OpcodeID);
|
|
friend Opcode getOpcodeWide16(OpcodeID);
|
|
friend Opcode getOpcodeWide32(OpcodeID);
|
|
friend const Opcode* getOpcodeAddress(OpcodeID);
|
|
friend const Opcode* getOpcodeWide16Address(OpcodeID);
|
|
friend const Opcode* getOpcodeWide32Address(OpcodeID);
|
|
template<PtrTag tag> friend MacroAssemblerCodePtr<tag> getCodePtr(OpcodeID);
|
|
template<PtrTag tag> friend MacroAssemblerCodePtr<tag> getWide16CodePtr(OpcodeID);
|
|
template<PtrTag tag> friend MacroAssemblerCodePtr<tag> getWide32CodePtr(OpcodeID);
|
|
template<PtrTag tag> friend MacroAssemblerCodeRef<tag> getCodeRef(OpcodeID);
|
|
};
|
|
|
|
void initialize();
|
|
|
|
inline Instruction* exceptionInstructions()
|
|
{
|
|
return reinterpret_cast<Instruction*>(g_jscConfig.llint.exceptionInstructions);
|
|
}
|
|
|
|
inline Instruction* wasmExceptionInstructions()
|
|
{
|
|
return bitwise_cast<Instruction*>(g_jscConfig.llint.wasmExceptionInstructions);
|
|
}
|
|
|
|
inline Opcode* opcodeMap()
|
|
{
|
|
return g_opcodeMap;
|
|
}
|
|
|
|
inline Opcode* opcodeMapWide16()
|
|
{
|
|
return g_opcodeMapWide16;
|
|
}
|
|
|
|
inline Opcode* opcodeMapWide32()
|
|
{
|
|
return g_opcodeMapWide32;
|
|
}
|
|
|
|
inline Opcode getOpcode(OpcodeID id)
|
|
{
|
|
#if ENABLE(COMPUTED_GOTO_OPCODES)
|
|
return g_opcodeMap[id];
|
|
#else
|
|
return static_cast<Opcode>(id);
|
|
#endif
|
|
}
|
|
|
|
inline Opcode getOpcodeWide16(OpcodeID id)
|
|
{
|
|
#if ENABLE(COMPUTED_GOTO_OPCODES)
|
|
return g_opcodeMapWide16[id];
|
|
#else
|
|
UNUSED_PARAM(id);
|
|
RELEASE_ASSERT_NOT_REACHED();
|
|
#endif
|
|
}
|
|
|
|
inline Opcode getOpcodeWide32(OpcodeID id)
|
|
{
|
|
#if ENABLE(COMPUTED_GOTO_OPCODES)
|
|
return g_opcodeMapWide32[id];
|
|
#else
|
|
UNUSED_PARAM(id);
|
|
RELEASE_ASSERT_NOT_REACHED();
|
|
#endif
|
|
}
|
|
|
|
|
|
#if ENABLE(COMPUTED_GOTO_OPCODES)
|
|
inline const Opcode* getOpcodeAddress(OpcodeID id)
|
|
{
|
|
return &g_opcodeMap[id];
|
|
}
|
|
|
|
inline const Opcode* getOpcodeWide16Address(OpcodeID id)
|
|
{
|
|
return &g_opcodeMapWide16[id];
|
|
}
|
|
|
|
inline const Opcode* getOpcodeWide32Address(OpcodeID id)
|
|
{
|
|
return &g_opcodeMapWide32[id];
|
|
}
|
|
#endif
|
|
|
|
template<PtrTag tag>
|
|
ALWAYS_INLINE MacroAssemblerCodePtr<tag> getCodePtrImpl(const Opcode opcode, const void* opcodeAddress)
|
|
{
|
|
void* opcodeValue = reinterpret_cast<void*>(opcode);
|
|
void* untaggedOpcode = untagAddressDiversifiedCodePtr<BytecodePtrTag>(opcodeValue, opcodeAddress);
|
|
void* retaggedOpcode = tagCodePtr<tag>(untaggedOpcode);
|
|
return MacroAssemblerCodePtr<tag>::createFromExecutableAddress(retaggedOpcode);
|
|
}
|
|
|
|
#if ENABLE(ARM64E) && !ENABLE(COMPUTED_GOTO_OPCODES)
|
|
#error ENABLE(ARM64E) requires ENABLE(COMPUTED_GOTO_OPCODES) for getCodePtr (and its variants).
|
|
#endif
|
|
|
|
template<PtrTag tag>
|
|
ALWAYS_INLINE MacroAssemblerCodePtr<tag> getCodePtr(OpcodeID opcodeID)
|
|
{
|
|
#if ENABLE(COMPUTED_GOTO_OPCODES)
|
|
const Opcode* opcode = getOpcodeAddress(opcodeID);
|
|
return getCodePtrImpl<tag>(*opcode, opcode);
|
|
#else
|
|
return getCodePtrImpl<tag>(getOpcode(opcodeID), nullptr);
|
|
#endif
|
|
}
|
|
|
|
template<PtrTag tag>
|
|
ALWAYS_INLINE MacroAssemblerCodePtr<tag> getWide16CodePtr(OpcodeID opcodeID)
|
|
{
|
|
#if ENABLE(COMPUTED_GOTO_OPCODES)
|
|
const Opcode* opcode = getOpcodeWide16Address(opcodeID);
|
|
return getCodePtrImpl<tag>(*opcode, opcode);
|
|
#else
|
|
return getCodePtrImpl<tag>(getOpcodeWide16(opcodeID), nullptr);
|
|
#endif
|
|
}
|
|
|
|
template<PtrTag tag>
|
|
ALWAYS_INLINE MacroAssemblerCodePtr<tag> getWide32CodePtr(OpcodeID opcodeID)
|
|
{
|
|
#if ENABLE(COMPUTED_GOTO_OPCODES)
|
|
const Opcode* opcode = getOpcodeWide32Address(opcodeID);
|
|
return getCodePtrImpl<tag>(*opcode, opcode);
|
|
#else
|
|
return getCodePtrImpl<tag>(getOpcodeWide32(opcodeID), nullptr);
|
|
#endif
|
|
}
|
|
|
|
template<PtrTag tag>
|
|
ALWAYS_INLINE MacroAssemblerCodeRef<tag> getCodeRef(OpcodeID opcodeID)
|
|
{
|
|
return MacroAssemblerCodeRef<tag>::createSelfManagedCodeRef(getCodePtr<tag>(opcodeID));
|
|
}
|
|
|
|
template<PtrTag tag>
|
|
ALWAYS_INLINE MacroAssemblerCodeRef<tag> getWide16CodeRef(OpcodeID opcodeID)
|
|
{
|
|
return MacroAssemblerCodeRef<tag>::createSelfManagedCodeRef(getWide16CodePtr<tag>(opcodeID));
|
|
}
|
|
|
|
template<PtrTag tag>
|
|
ALWAYS_INLINE MacroAssemblerCodeRef<tag> getWide32CodeRef(OpcodeID opcodeID)
|
|
{
|
|
return MacroAssemblerCodeRef<tag>::createSelfManagedCodeRef(getWide32CodePtr<tag>(opcodeID));
|
|
}
|
|
|
|
#if ENABLE(JIT)
|
|
template<PtrTag tag>
|
|
ALWAYS_INLINE LLIntCode getCodeFunctionPtr(OpcodeID opcodeID)
|
|
{
|
|
#if COMPILER(MSVC)
|
|
return reinterpret_cast<LLIntCode>(getCodePtr<tag>(opcodeID).executableAddress());
|
|
#else
|
|
return reinterpret_cast<LLIntCode>(getCodePtr<tag>(opcodeID).template executableAddress());
|
|
#endif
|
|
}
|
|
|
|
template<PtrTag tag>
|
|
ALWAYS_INLINE LLIntCode getWide16CodeFunctionPtr(OpcodeID opcodeID)
|
|
{
|
|
#if COMPILER(MSVC)
|
|
return reinterpret_cast<LLIntCode>(getWide16CodePtr<tag>(opcodeID).executableAddress());
|
|
#else
|
|
return reinterpret_cast<LLIntCode>(getWide16CodePtr<tag>(opcodeID).template executableAddress());
|
|
#endif
|
|
}
|
|
|
|
template<PtrTag tag>
|
|
ALWAYS_INLINE LLIntCode getWide32CodeFunctionPtr(OpcodeID opcodeID)
|
|
{
|
|
#if COMPILER(MSVC)
|
|
return reinterpret_cast<LLIntCode>(getWide32CodePtr<tag>(opcodeID).executableAddress());
|
|
#else
|
|
return reinterpret_cast<LLIntCode>(getWide32CodePtr<tag>(opcodeID).template executableAddress());
|
|
#endif
|
|
}
|
|
|
|
#if ENABLE(WEBASSEMBLY)
|
|
|
|
inline Opcode getOpcode(WasmOpcodeID id)
|
|
{
|
|
#if ENABLE(COMPUTED_GOTO_OPCODES)
|
|
return g_opcodeMap[numOpcodeIDs + id];
|
|
#else
|
|
return static_cast<Opcode>(id);
|
|
#endif
|
|
}
|
|
|
|
inline Opcode getOpcodeWide16(WasmOpcodeID id)
|
|
{
|
|
#if ENABLE(COMPUTED_GOTO_OPCODES)
|
|
return g_opcodeMapWide16[numOpcodeIDs + id];
|
|
#else
|
|
UNUSED_PARAM(id);
|
|
RELEASE_ASSERT_NOT_REACHED();
|
|
#endif
|
|
}
|
|
|
|
inline Opcode getOpcodeWide32(WasmOpcodeID id)
|
|
{
|
|
#if ENABLE(COMPUTED_GOTO_OPCODES)
|
|
return g_opcodeMapWide32[numOpcodeIDs + id];
|
|
#else
|
|
UNUSED_PARAM(id);
|
|
RELEASE_ASSERT_NOT_REACHED();
|
|
#endif
|
|
}
|
|
|
|
#if ENABLE(COMPUTED_GOTO_OPCODES)
|
|
inline const Opcode* getOpcodeAddress(WasmOpcodeID id)
|
|
{
|
|
return &g_opcodeMap[numOpcodeIDs + id];
|
|
}
|
|
|
|
inline const Opcode* getOpcodeWide16Address(WasmOpcodeID id)
|
|
{
|
|
return &g_opcodeMapWide16[numOpcodeIDs + id];
|
|
}
|
|
|
|
inline const Opcode* getOpcodeWide32Address(WasmOpcodeID id)
|
|
{
|
|
return &g_opcodeMapWide32[numOpcodeIDs + id];
|
|
}
|
|
#endif
|
|
|
|
template<PtrTag tag>
|
|
ALWAYS_INLINE MacroAssemblerCodePtr<tag> getCodePtr(WasmOpcodeID opcodeID)
|
|
{
|
|
#if ENABLE(COMPUTED_GOTO_OPCODES)
|
|
const Opcode* opcode = getOpcodeAddress(opcodeID);
|
|
return getCodePtrImpl<tag>(*opcode, opcode);
|
|
#else
|
|
return getCodePtrImpl<tag>(getOpcode(opcodeID), nullptr);
|
|
#endif
|
|
}
|
|
|
|
template<PtrTag tag>
|
|
ALWAYS_INLINE MacroAssemblerCodePtr<tag> getWide16CodePtr(WasmOpcodeID opcodeID)
|
|
{
|
|
#if ENABLE(COMPUTED_GOTO_OPCODES)
|
|
const Opcode* opcode = getOpcodeWide16Address(opcodeID);
|
|
return getCodePtrImpl<tag>(*opcode, opcode);
|
|
#else
|
|
return getCodePtrImpl<tag>(getOpcodeWide16(opcodeID), nullptr);
|
|
#endif
|
|
}
|
|
|
|
template<PtrTag tag>
|
|
ALWAYS_INLINE MacroAssemblerCodePtr<tag> getWide32CodePtr(WasmOpcodeID opcodeID)
|
|
{
|
|
#if ENABLE(COMPUTED_GOTO_OPCODES)
|
|
const Opcode* opcode = getOpcodeWide32Address(opcodeID);
|
|
return getCodePtrImpl<tag>(*opcode, opcode);
|
|
#else
|
|
return getCodePtrImpl<tag>(getOpcodeWide32(opcodeID), nullptr);
|
|
#endif
|
|
}
|
|
|
|
template<PtrTag tag>
|
|
ALWAYS_INLINE LLIntCode getCodeFunctionPtr(WasmOpcodeID opcodeID)
|
|
{
|
|
#if COMPILER(MSVC)
|
|
return reinterpret_cast<LLIntCode>(getCodePtr<tag>(opcodeID).executableAddress());
|
|
#else
|
|
return reinterpret_cast<LLIntCode>(getCodePtr<tag>(opcodeID).template executableAddress());
|
|
#endif
|
|
}
|
|
|
|
template<PtrTag tag>
|
|
ALWAYS_INLINE LLIntCode getWide16CodeFunctionPtr(WasmOpcodeID opcodeID)
|
|
{
|
|
#if COMPILER(MSVC)
|
|
return reinterpret_cast<LLIntCode>(getWide16CodePtr<tag>(opcodeID).executableAddress());
|
|
#else
|
|
return reinterpret_cast<LLIntCode>(getWide16CodePtr<tag>(opcodeID).template executableAddress());
|
|
#endif
|
|
}
|
|
|
|
template<PtrTag tag>
|
|
ALWAYS_INLINE LLIntCode getWide32CodeFunctionPtr(WasmOpcodeID opcodeID)
|
|
{
|
|
#if COMPILER(MSVC)
|
|
return reinterpret_cast<LLIntCode>(getWide32CodePtr<tag>(opcodeID).executableAddress());
|
|
#else
|
|
return reinterpret_cast<LLIntCode>(getWide32CodePtr<tag>(opcodeID).template executableAddress());
|
|
#endif
|
|
}
|
|
|
|
#endif // ENABLE(WEBASSEMBLY)
|
|
|
|
#else // not ENABLE(JIT)
|
|
ALWAYS_INLINE void* getCodePtr(OpcodeID id)
|
|
{
|
|
return reinterpret_cast<void*>(getOpcode(id));
|
|
}
|
|
|
|
ALWAYS_INLINE void* getWide16CodePtr(OpcodeID id)
|
|
{
|
|
return reinterpret_cast<void*>(getOpcodeWide16(id));
|
|
}
|
|
|
|
ALWAYS_INLINE void* getWide32CodePtr(OpcodeID id)
|
|
{
|
|
return reinterpret_cast<void*>(getOpcodeWide32(id));
|
|
}
|
|
#endif // ENABLE(JIT)
|
|
|
|
#if ENABLE(JIT)
|
|
struct Registers {
|
|
static constexpr GPRReg pcGPR = GPRInfo::regT4;
|
|
|
|
#if CPU(X86_64) && !OS(WINDOWS)
|
|
static constexpr GPRReg metadataTableGPR = GPRInfo::regCS1;
|
|
static constexpr GPRReg pbGPR = GPRInfo::regCS2;
|
|
#elif CPU(X86_64) && OS(WINDOWS)
|
|
static constexpr GPRReg metadataTableGPR = GPRInfo::regCS3;
|
|
static constexpr GPRReg pbGPR = GPRInfo::regCS4;
|
|
#elif CPU(ARM64)
|
|
static constexpr GPRReg metadataTableGPR = GPRInfo::regCS6;
|
|
static constexpr GPRReg pbGPR = GPRInfo::regCS7;
|
|
#elif CPU(MIPS) || CPU(ARM_THUMB2)
|
|
static constexpr GPRReg metadataTableGPR = GPRInfo::regCS0;
|
|
static constexpr GPRReg pbGPR = GPRInfo::regCS1;
|
|
#endif
|
|
};
|
|
#endif
|
|
|
|
} } // namespace JSC::LLInt
|