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Diffstat (limited to 'js/src/jit/none/Assembler-none.h')
| -rw-r--r-- | js/src/jit/none/Assembler-none.h | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/js/src/jit/none/Assembler-none.h b/js/src/jit/none/Assembler-none.h new file mode 100644 index 0000000000..b69fc462e2 --- /dev/null +++ b/js/src/jit/none/Assembler-none.h @@ -0,0 +1,211 @@ +/* -*- 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_none_Assembler_none_h +#define jit_none_Assembler_none_h + +#include "mozilla/Assertions.h" + +#include <stdint.h> + +#include "jit/none/Architecture-none.h" +#include "jit/Registers.h" +#include "jit/RegisterSets.h" +#include "jit/shared/Assembler-shared.h" + +namespace js { +namespace jit { + +class MacroAssembler; + +static constexpr Register StackPointer{Registers::invalid_reg}; +static constexpr Register FramePointer{Registers::invalid_reg}; +static constexpr Register ReturnReg{Registers::invalid_reg2}; +static constexpr FloatRegister ReturnFloat32Reg = {FloatRegisters::invalid_reg}; +static constexpr FloatRegister ReturnDoubleReg = {FloatRegisters::invalid_reg}; +static constexpr FloatRegister ReturnSimd128Reg = {FloatRegisters::invalid_reg}; +static constexpr FloatRegister ScratchSimd128Reg = { + FloatRegisters::invalid_reg}; +static constexpr FloatRegister InvalidFloatReg = {FloatRegisters::invalid_reg}; + +struct ScratchFloat32Scope : FloatRegister { + explicit ScratchFloat32Scope(MacroAssembler& masm) {} +}; + +struct ScratchDoubleScope : FloatRegister { + explicit ScratchDoubleScope(MacroAssembler& masm) {} +}; + +static constexpr Register OsrFrameReg{Registers::invalid_reg}; +static constexpr Register PreBarrierReg{Registers::invalid_reg}; +static constexpr Register InterpreterPCReg{Registers::invalid_reg}; +static constexpr Register CallTempReg0{Registers::invalid_reg}; +static constexpr Register CallTempReg1{Registers::invalid_reg}; +static constexpr Register CallTempReg2{Registers::invalid_reg}; +static constexpr Register CallTempReg3{Registers::invalid_reg}; +static constexpr Register CallTempReg4{Registers::invalid_reg}; +static constexpr Register CallTempReg5{Registers::invalid_reg}; +static constexpr Register InvalidReg{Registers::invalid_reg}; +static constexpr Register CallTempNonArgRegs[] = {InvalidReg, InvalidReg}; +static const uint32_t NumCallTempNonArgRegs = std::size(CallTempNonArgRegs); + +static constexpr Register IntArgReg0{Registers::invalid_reg}; +static constexpr Register IntArgReg1{Registers::invalid_reg}; +static constexpr Register IntArgReg2{Registers::invalid_reg}; +static constexpr Register IntArgReg3{Registers::invalid_reg}; +static constexpr Register HeapReg{Registers::invalid_reg}; + +static constexpr Register RegExpMatcherRegExpReg{Registers::invalid_reg}; +static constexpr Register RegExpMatcherStringReg{Registers::invalid_reg}; +static constexpr Register RegExpMatcherLastIndexReg{Registers::invalid_reg}; + +static constexpr Register RegExpExecTestRegExpReg{Registers::invalid_reg}; +static constexpr Register RegExpExecTestStringReg{Registers::invalid_reg}; + +static constexpr Register RegExpSearcherRegExpReg{Registers::invalid_reg}; +static constexpr Register RegExpSearcherStringReg{Registers::invalid_reg}; +static constexpr Register RegExpSearcherLastIndexReg{Registers::invalid_reg}; + +// Uses |invalid_reg2| to avoid static_assert failures. +static constexpr Register JSReturnReg_Type{Registers::invalid_reg2}; +static constexpr Register JSReturnReg_Data{Registers::invalid_reg2}; +static constexpr Register JSReturnReg{Registers::invalid_reg2}; + +#if defined(JS_NUNBOX32) +static constexpr ValueOperand JSReturnOperand(InvalidReg, InvalidReg); +static constexpr Register64 ReturnReg64(InvalidReg, InvalidReg); +#elif defined(JS_PUNBOX64) +static constexpr ValueOperand JSReturnOperand(InvalidReg); +static constexpr Register64 ReturnReg64(InvalidReg); +#else +# error "Bad architecture" +#endif + +static constexpr Register ABINonArgReg0{Registers::invalid_reg}; +static constexpr Register ABINonArgReg1{Registers::invalid_reg}; +static constexpr Register ABINonArgReg2{Registers::invalid_reg}; +static constexpr Register ABINonArgReg3{Registers::invalid_reg}; +static constexpr Register ABINonArgReturnReg0{Registers::invalid_reg}; +static constexpr Register ABINonArgReturnReg1{Registers::invalid_reg}; +static constexpr Register ABINonVolatileReg{Registers::invalid_reg}; +static constexpr Register ABINonArgReturnVolatileReg{Registers::invalid_reg}; + +static constexpr FloatRegister ABINonArgDoubleReg = { + FloatRegisters::invalid_reg}; + +static constexpr Register WasmTableCallScratchReg0{Registers::invalid_reg}; +static constexpr Register WasmTableCallScratchReg1{Registers::invalid_reg}; +static constexpr Register WasmTableCallSigReg{Registers::invalid_reg}; +static constexpr Register WasmTableCallIndexReg{Registers::invalid_reg}; +static constexpr Register InstanceReg{Registers::invalid_reg}; +static constexpr Register WasmJitEntryReturnScratch{Registers::invalid_reg}; +static constexpr Register WasmCallRefCallScratchReg0{Registers::invalid_reg}; +static constexpr Register WasmCallRefCallScratchReg1{Registers::invalid_reg}; +static constexpr Register WasmCallRefReg{Registers::invalid_reg}; + +static constexpr uint32_t ABIStackAlignment = 4; +static constexpr uint32_t CodeAlignment = 16; +static constexpr uint32_t JitStackAlignment = 8; +static constexpr uint32_t JitStackValueAlignment = + JitStackAlignment / sizeof(Value); + +static const Scale ScalePointer = TimesOne; + +class Assembler : public AssemblerShared { + public: + enum Condition { + Equal, + NotEqual, + Above, + AboveOrEqual, + Below, + BelowOrEqual, + GreaterThan, + GreaterThanOrEqual, + LessThan, + LessThanOrEqual, + Overflow, + CarrySet, + CarryClear, + Signed, + NotSigned, + Zero, + NonZero, + Always, + }; + + enum DoubleCondition { + DoubleOrdered, + DoubleEqual, + DoubleNotEqual, + DoubleGreaterThan, + DoubleGreaterThanOrEqual, + DoubleLessThan, + DoubleLessThanOrEqual, + DoubleUnordered, + DoubleEqualOrUnordered, + DoubleNotEqualOrUnordered, + DoubleGreaterThanOrUnordered, + DoubleGreaterThanOrEqualOrUnordered, + DoubleLessThanOrUnordered, + DoubleLessThanOrEqualOrUnordered + }; + + static Condition InvertCondition(Condition) { MOZ_CRASH(); } + + static DoubleCondition InvertCondition(DoubleCondition) { MOZ_CRASH(); } + + template <typename T, typename S> + static void PatchDataWithValueCheck(CodeLocationLabel, T, S) { + MOZ_CRASH(); + } + static void PatchWrite_Imm32(CodeLocationLabel, Imm32) { MOZ_CRASH(); } + + static void PatchWrite_NearCall(CodeLocationLabel, CodeLocationLabel) { + MOZ_CRASH(); + } + static uint32_t PatchWrite_NearCallSize() { MOZ_CRASH(); } + + static void ToggleToJmp(CodeLocationLabel) { MOZ_CRASH(); } + static void ToggleToCmp(CodeLocationLabel) { MOZ_CRASH(); } + static void ToggleCall(CodeLocationLabel, bool) { MOZ_CRASH(); } + + static void Bind(uint8_t*, const CodeLabel&) { MOZ_CRASH(); } + + static uintptr_t GetPointer(uint8_t*) { MOZ_CRASH(); } + + static bool HasRoundInstruction(RoundingMode) { return false; } + + void verifyHeapAccessDisassembly(uint32_t begin, uint32_t end, + const Disassembler::HeapAccess& heapAccess) { + MOZ_CRASH(); + } + + void setUnlimitedBuffer() { MOZ_CRASH(); } +}; + +class Operand { + public: + explicit Operand(const Address&) { MOZ_CRASH(); } + explicit Operand(const Register) { MOZ_CRASH(); } + explicit Operand(const FloatRegister) { MOZ_CRASH(); } + explicit Operand(Register, Imm32) { MOZ_CRASH(); } + explicit Operand(Register, int32_t) { MOZ_CRASH(); } +}; + +class ABIArgGenerator { + public: + ABIArgGenerator() { MOZ_CRASH(); } + ABIArg next(MIRType) { MOZ_CRASH(); } + ABIArg& current() { MOZ_CRASH(); } + uint32_t stackBytesConsumedSoFar() const { MOZ_CRASH(); } + void increaseStackOffset(uint32_t) { MOZ_CRASH(); } +}; + +} // namespace jit +} // namespace js + +#endif /* jit_none_Assembler_none_h */ |