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68 lines
1.6 KiB
68 lines
1.6 KiB
/*
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* Copyright 2021 ByteDance Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package jit
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import (
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`github.com/twitchyliquid64/golang-asm/asm/arch`
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`github.com/twitchyliquid64/golang-asm/obj`
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)
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var (
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_AC = arch.Set("amd64")
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)
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func As(op string) obj.As {
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if ret, ok := _AC.Instructions[op]; ok {
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return ret
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} else {
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panic("invalid instruction: " + op)
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}
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}
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func Imm(imm int64) obj.Addr {
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return obj.Addr {
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Type : obj.TYPE_CONST,
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Offset : imm,
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}
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}
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func Reg(reg string) obj.Addr {
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if ret, ok := _AC.Register[reg]; ok {
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return obj.Addr{Reg: ret, Type: obj.TYPE_REG}
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} else {
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panic("invalid register name: " + reg)
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}
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}
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func Ptr(reg obj.Addr, offs int64) obj.Addr {
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return obj.Addr {
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Reg : reg.Reg,
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Type : obj.TYPE_MEM,
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Offset : offs,
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}
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}
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func Sib(reg obj.Addr, idx obj.Addr, scale int16, offs int64) obj.Addr {
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return obj.Addr {
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Reg : reg.Reg,
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Index : idx.Reg,
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Scale : scale,
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Type : obj.TYPE_MEM,
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Offset : offs,
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}
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}
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