/* -*- 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_Architecture_none_h #define jit_none_Architecture_none_h // JitSpewer.h is included through MacroAssembler implementations for other // platforms, so include it here to avoid inadvertent build bustage. #include "jit/JitSpewer.h" #include "jit/shared/Architecture-shared.h" namespace js { namespace jit { static const uint32_t SimdMemoryAlignment = 4; // Make it 4 to avoid a bunch of div-by-zero warnings static const uint32_t WasmStackAlignment = 8; static const uint32_t WasmTrapInstructionLength = 0; // The offsets are dynamically asserted during // code generation in the prologue/epilogue. static constexpr uint32_t WasmCheckedCallEntryOffset = 0u; static constexpr uint32_t WasmCheckedTailEntryOffset = 0u; class Registers { public: enum RegisterID { r0 = 0, invalid_reg, invalid_reg2, // To avoid silly static_assert failures. }; typedef uint8_t Code; typedef RegisterID Encoding; union RegisterContent { uintptr_t r; }; typedef uint8_t SetType; static uint32_t SetSize(SetType) { MOZ_CRASH(); } static uint32_t FirstBit(SetType) { MOZ_CRASH(); } static uint32_t LastBit(SetType) { MOZ_CRASH(); } static const char* GetName(Code) { MOZ_CRASH(); } static Code FromName(const char*) { MOZ_CRASH(); } static const Encoding StackPointer = invalid_reg; static const Encoding Invalid = invalid_reg; static const uint32_t Total = 1; static const uint32_t TotalPhys = 0; static const uint32_t Allocatable = 0; static const SetType AllMask = 0; static const SetType ArgRegMask = 0; static const SetType VolatileMask = 0; static const SetType NonVolatileMask = 0; static const SetType NonAllocatableMask = 0; static const SetType AllocatableMask = 0; static const SetType JSCallMask = 0; static const SetType CallMask = 0; }; typedef uint8_t PackedRegisterMask; class FloatRegisters { public: enum FPRegisterID { f0 = 0, invalid_reg }; typedef FPRegisterID Code; typedef FPRegisterID Encoding; union RegisterContent { double d; }; typedef uint32_t SetType; static const char* GetName(Code) { MOZ_CRASH(); } static Code FromName(const char*) { MOZ_CRASH(); } static const Code Invalid = invalid_reg; static const uint32_t Total = 0; static const uint32_t TotalPhys = 0; static const uint32_t Allocatable = 0; static const SetType AllMask = 0; static const SetType AllDoubleMask = 0; static const SetType AllSingleMask = 0; static const SetType VolatileMask = 0; static const SetType NonVolatileMask = 0; static const SetType NonAllocatableMask = 0; static const SetType AllocatableMask = 0; }; template <typename T> class TypedRegisterSet; struct FloatRegister { typedef FloatRegisters Codes; typedef Codes::Code Code; typedef Codes::Encoding Encoding; typedef Codes::SetType SetType; Code _; static uint32_t FirstBit(SetType) { MOZ_CRASH(); } static uint32_t LastBit(SetType) { MOZ_CRASH(); } static FloatRegister FromCode(uint32_t) { MOZ_CRASH(); } bool isSingle() const { MOZ_CRASH(); } bool isDouble() const { MOZ_CRASH(); } bool isSimd128() const { MOZ_CRASH(); } bool isInvalid() const { MOZ_CRASH(); } FloatRegister asSingle() const { MOZ_CRASH(); } FloatRegister asDouble() const { MOZ_CRASH(); } FloatRegister asSimd128() const { MOZ_CRASH(); } Code code() const { MOZ_CRASH(); } Encoding encoding() const { MOZ_CRASH(); } const char* name() const { MOZ_CRASH(); } bool volatile_() const { MOZ_CRASH(); } bool operator!=(FloatRegister) const { MOZ_CRASH(); } bool operator==(FloatRegister) const { MOZ_CRASH(); } bool aliases(FloatRegister) const { MOZ_CRASH(); } uint32_t numAliased() const { MOZ_CRASH(); } FloatRegister aliased(uint32_t) { MOZ_CRASH(); } bool equiv(FloatRegister) const { MOZ_CRASH(); } uint32_t size() const { MOZ_CRASH(); } uint32_t numAlignedAliased() const { MOZ_CRASH(); } FloatRegister alignedAliased(uint32_t) { MOZ_CRASH(); } SetType alignedOrDominatedAliasedSet() const { MOZ_CRASH(); } static constexpr RegTypeName DefaultType = RegTypeName::Float64; template <RegTypeName = DefaultType> static SetType LiveAsIndexableSet(SetType s) { return SetType(0); } template <RegTypeName Name = DefaultType> static SetType AllocatableAsIndexableSet(SetType s) { static_assert(Name != RegTypeName::Any, "Allocatable set are not iterable"); return SetType(0); } template <typename T> static T ReduceSetForPush(T) { MOZ_CRASH(); } uint32_t getRegisterDumpOffsetInBytes() { MOZ_CRASH(); } static uint32_t SetSize(SetType x) { MOZ_CRASH(); } static Code FromName(const char* name) { MOZ_CRASH(); } // This is used in static initializers, so produce a bogus value instead of // crashing. static uint32_t GetPushSizeInBytes(const TypedRegisterSet<FloatRegister>&) { return 0; } }; inline bool hasUnaliasedDouble() { MOZ_CRASH(); } inline bool hasMultiAlias() { MOZ_CRASH(); } static const uint32_t ShadowStackSpace = 0; static const uint32_t JumpImmediateRange = INT32_MAX; #ifdef JS_NUNBOX32 static const int32_t NUNBOX32_TYPE_OFFSET = 4; static const int32_t NUNBOX32_PAYLOAD_OFFSET = 0; #endif } // namespace jit } // namespace js #endif /* jit_none_Architecture_none_h */