332 lines
4.3 KiB
Go
332 lines
4.3 KiB
Go
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// Copyright 2018 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package wasm
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import "github.com/twitchyliquid64/golang-asm/obj"
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//go:generate go run ../stringer.go -i $GOFILE -o anames.go -p wasm
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const (
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/* mark flags */
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DONE = 1 << iota
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PRESERVEFLAGS // not allowed to clobber flags
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)
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/*
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* wasm
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*/
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const (
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ACallImport = obj.ABaseWasm + obj.A_ARCHSPECIFIC + iota
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AGet
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ASet
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ATee
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ANot // alias for I32Eqz
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// The following are low-level WebAssembly instructions.
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// Their order matters, since it matches the opcode encoding.
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// Gaps in the encoding are indicated by comments.
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AUnreachable // opcode 0x00
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ANop
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ABlock
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ALoop
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AIf
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AElse
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AEnd // opcode 0x0B
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ABr
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ABrIf
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ABrTable
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// ACall and AReturn are WebAssembly instructions. obj.ACALL and obj.ARET are higher level instructions
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// with Go semantics, e.g. they manipulate the Go stack on the linear memory.
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AReturn
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ACall
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ACallIndirect
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ADrop // opcode 0x1A
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ASelect
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ALocalGet // opcode 0x20
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ALocalSet
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ALocalTee
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AGlobalGet
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AGlobalSet
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AI32Load // opcode 0x28
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AI64Load
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AF32Load
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AF64Load
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AI32Load8S
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AI32Load8U
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AI32Load16S
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AI32Load16U
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AI64Load8S
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AI64Load8U
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AI64Load16S
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AI64Load16U
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AI64Load32S
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AI64Load32U
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AI32Store
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AI64Store
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AF32Store
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AF64Store
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AI32Store8
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AI32Store16
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AI64Store8
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AI64Store16
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AI64Store32
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ACurrentMemory
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AGrowMemory
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AI32Const
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AI64Const
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AF32Const
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AF64Const
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AI32Eqz
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AI32Eq
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AI32Ne
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AI32LtS
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AI32LtU
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AI32GtS
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AI32GtU
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AI32LeS
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AI32LeU
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AI32GeS
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AI32GeU
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AI64Eqz
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AI64Eq
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AI64Ne
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AI64LtS
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AI64LtU
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AI64GtS
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AI64GtU
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AI64LeS
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AI64LeU
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AI64GeS
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AI64GeU
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AF32Eq
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AF32Ne
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AF32Lt
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AF32Gt
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AF32Le
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AF32Ge
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AF64Eq
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AF64Ne
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AF64Lt
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AF64Gt
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AF64Le
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AF64Ge
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AI32Clz
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AI32Ctz
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AI32Popcnt
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AI32Add
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AI32Sub
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AI32Mul
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AI32DivS
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AI32DivU
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AI32RemS
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AI32RemU
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AI32And
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AI32Or
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AI32Xor
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AI32Shl
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AI32ShrS
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AI32ShrU
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AI32Rotl
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AI32Rotr
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AI64Clz
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AI64Ctz
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AI64Popcnt
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AI64Add
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AI64Sub
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AI64Mul
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AI64DivS
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AI64DivU
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AI64RemS
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AI64RemU
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AI64And
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AI64Or
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AI64Xor
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AI64Shl
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AI64ShrS
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AI64ShrU
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AI64Rotl
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AI64Rotr
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AF32Abs
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AF32Neg
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AF32Ceil
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AF32Floor
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AF32Trunc
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AF32Nearest
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AF32Sqrt
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AF32Add
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AF32Sub
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AF32Mul
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AF32Div
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AF32Min
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AF32Max
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AF32Copysign
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AF64Abs
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AF64Neg
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AF64Ceil
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AF64Floor
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AF64Trunc
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AF64Nearest
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AF64Sqrt
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AF64Add
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AF64Sub
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AF64Mul
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AF64Div
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AF64Min
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AF64Max
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AF64Copysign
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AI32WrapI64
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AI32TruncF32S
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AI32TruncF32U
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AI32TruncF64S
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AI32TruncF64U
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AI64ExtendI32S
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AI64ExtendI32U
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AI64TruncF32S
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AI64TruncF32U
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AI64TruncF64S
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AI64TruncF64U
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AF32ConvertI32S
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AF32ConvertI32U
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AF32ConvertI64S
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AF32ConvertI64U
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AF32DemoteF64
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AF64ConvertI32S
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AF64ConvertI32U
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AF64ConvertI64S
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AF64ConvertI64U
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AF64PromoteF32
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AI32ReinterpretF32
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AI64ReinterpretF64
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AF32ReinterpretI32
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AF64ReinterpretI64
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AI32Extend8S
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AI32Extend16S
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AI64Extend8S
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AI64Extend16S
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AI64Extend32S
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AI32TruncSatF32S // opcode 0xFC 0x00
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AI32TruncSatF32U
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AI32TruncSatF64S
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AI32TruncSatF64U
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AI64TruncSatF32S
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AI64TruncSatF32U
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AI64TruncSatF64S
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AI64TruncSatF64U
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ALast // Sentinel: End of low-level WebAssembly instructions.
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ARESUMEPOINT
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// ACALLNORESUME is a call which is not followed by a resume point.
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// It is allowed inside of WebAssembly blocks, whereas obj.ACALL is not.
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// However, it is not allowed to switch goroutines while inside of an ACALLNORESUME call.
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ACALLNORESUME
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ARETUNWIND
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AMOVB
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AMOVH
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AMOVW
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AMOVD
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AWORD
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ALAST
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)
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const (
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REG_NONE = 0
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)
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const (
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// globals
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REG_SP = obj.RBaseWasm + iota // SP is currently 32-bit, until 64-bit memory operations are available
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REG_CTXT
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REG_g
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// RET* are used by runtime.return0 and runtime.reflectcall. These functions pass return values in registers.
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REG_RET0
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REG_RET1
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REG_RET2
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REG_RET3
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REG_PAUSE
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// i32 locals
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REG_R0
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REG_R1
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REG_R2
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REG_R3
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REG_R4
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REG_R5
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REG_R6
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REG_R7
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REG_R8
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REG_R9
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REG_R10
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REG_R11
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REG_R12
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REG_R13
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REG_R14
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REG_R15
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// f32 locals
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REG_F0
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REG_F1
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REG_F2
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REG_F3
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REG_F4
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REG_F5
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REG_F6
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REG_F7
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REG_F8
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REG_F9
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REG_F10
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REG_F11
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REG_F12
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REG_F13
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REG_F14
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REG_F15
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// f64 locals
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REG_F16
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REG_F17
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REG_F18
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REG_F19
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REG_F20
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REG_F21
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REG_F22
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REG_F23
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REG_F24
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REG_F25
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REG_F26
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REG_F27
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REG_F28
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REG_F29
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REG_F30
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REG_F31
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REG_PC_B // also first parameter, i32
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MAXREG
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MINREG = REG_SP
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REGSP = REG_SP
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REGCTXT = REG_CTXT
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REGG = REG_g
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)
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