gtsocial-umbx

Unnamed repository; edit this file 'description' to name the repository.
Log | Files | Refs | README | LICENSE

arch_amd64.go (1624B)

      1 /*
      2  * Copyright 2021 ByteDance Inc.
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *     http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package jit
     18 
     19 import (
     20     `github.com/twitchyliquid64/golang-asm/asm/arch`
     21     `github.com/twitchyliquid64/golang-asm/obj`
     22 )
     23 
     24 var (
     25     _AC = arch.Set("amd64")
     26 )
     27 
     28 func As(op string) obj.As {
     29     if ret, ok := _AC.Instructions[op]; ok {
     30         return ret
     31     } else {
     32         panic("invalid instruction: " + op)
     33     }
     34 }
     35 
     36 func Imm(imm int64) obj.Addr {
     37     return obj.Addr {
     38         Type   : obj.TYPE_CONST,
     39         Offset : imm,
     40     }
     41 }
     42 
     43 func Reg(reg string) obj.Addr {
     44     if ret, ok := _AC.Register[reg]; ok {
     45         return obj.Addr{Reg: ret, Type: obj.TYPE_REG}
     46     } else {
     47         panic("invalid register name: " + reg)
     48     }
     49 }
     50 
     51 func Ptr(reg obj.Addr, offs int64) obj.Addr {
     52     return obj.Addr {
     53         Reg    : reg.Reg,
     54         Type   : obj.TYPE_MEM,
     55         Offset : offs,
     56     }
     57 }
     58 
     59 func Sib(reg obj.Addr, idx obj.Addr, scale int16, offs int64) obj.Addr {
     60     return obj.Addr {
     61         Reg    : reg.Reg,
     62         Index  : idx.Reg,
     63         Scale  : scale,
     64         Type   : obj.TYPE_MEM,
     65         Offset : offs,
     66     }
     67 }