122 lines
3.2 KiB
Go
122 lines
3.2 KiB
Go
package asm
|
|
|
|
import "github.com/firestuff/subcoding/vm"
|
|
|
|
var opCodeByName = map[string]vm.OpCodeType{
|
|
"noop": vm.OpNoOp,
|
|
"nop": vm.OpNop,
|
|
|
|
"move": vm.OpMove,
|
|
"mov": vm.OpMov,
|
|
|
|
"add": vm.OpAdd,
|
|
"subtract": vm.OpSubtract,
|
|
"sub": vm.OpSub,
|
|
"multiply": vm.OpMultiply,
|
|
"mul": vm.OpMul,
|
|
"divideunsigned": vm.OpDivideUnsigned,
|
|
"divu": vm.OpDivU,
|
|
"dividesigned": vm.OpDivideSigned,
|
|
"divs": vm.OpDivS,
|
|
|
|
"not": vm.OpNot,
|
|
"and": vm.OpAnd,
|
|
"or": vm.OpOr,
|
|
"xor": vm.OpXor,
|
|
|
|
"shiftright": vm.OpShiftRight,
|
|
"shr": vm.OpShR,
|
|
"shiftleft": vm.OpShiftLeft,
|
|
"shl": vm.OpShL,
|
|
|
|
"isequal": vm.OpIsEqual,
|
|
"eq": vm.OpEq,
|
|
"islessthanunsigned": vm.OpIsLessThanUnsigned,
|
|
"ltu": vm.OpLTU,
|
|
"islessthansigned": vm.OpIsLessThanSigned,
|
|
"lts": vm.OpLTS,
|
|
"isgreaterthanunsigned": vm.OpIsGreaterThanUnsigned,
|
|
"gtu": vm.OpGTU,
|
|
"isgreaterthansigned": vm.OpIsGreaterThanSigned,
|
|
"gts": vm.OpGTS,
|
|
"islessthanorequalunsigned": vm.OpIsLessThanOrEqualUnsigned,
|
|
"lteu": vm.OpLTEU,
|
|
"islessthanorequalsigned": vm.OpIsLessThanOrEqualSigned,
|
|
"ltes": vm.OpLTES,
|
|
"isgreaterthanorequalunsigned": vm.OpIsGreaterThanOrEqualUnsigned,
|
|
"gteu": vm.OpGTEU,
|
|
"isgreaterthanorequalsigned": vm.OpIsGreaterThanOrEqualSigned,
|
|
"gtes": vm.OpGTES,
|
|
|
|
"jump": vm.OpJump,
|
|
"jmp": vm.OpJmp,
|
|
"jumpiftrue": vm.OpJumpIfTrue,
|
|
"jmpt": vm.OpJmpT,
|
|
"jumpiffalse": vm.OpJumpIfFalse,
|
|
"jmpf": vm.OpJmpF,
|
|
|
|
"call": vm.OpCall,
|
|
"cal": vm.OpCal,
|
|
"calliftrue": vm.OpCallIfTrue,
|
|
"calt": vm.OpCalT,
|
|
"calliffalse": vm.OpCallIfFalse,
|
|
"calf": vm.OpCalF,
|
|
|
|
"return": vm.OpReturn,
|
|
"ret": vm.OpRet,
|
|
"returniftrue": vm.OpReturnIfTrue,
|
|
"rett": vm.OpRetT,
|
|
"returniffalse": vm.OpReturnIfFalse,
|
|
"retf": vm.OpRetF,
|
|
}
|
|
|
|
type operandType int
|
|
|
|
const (
|
|
u operandType = 0
|
|
s = 1
|
|
us = 2
|
|
r = 3
|
|
)
|
|
|
|
var operandsByOpCode = map[vm.OpCodeType][]operandType{
|
|
vm.OpNop: []operandType{},
|
|
|
|
vm.OpMov: []operandType{r, us},
|
|
vm.OpAdd: []operandType{r, us},
|
|
vm.OpSub: []operandType{r, us},
|
|
vm.OpMul: []operandType{r, us},
|
|
vm.OpDivU: []operandType{r, u},
|
|
vm.OpDivS: []operandType{r, s},
|
|
|
|
vm.OpNot: []operandType{r},
|
|
vm.OpAnd: []operandType{r, u},
|
|
vm.OpOr: []operandType{r, u},
|
|
vm.OpXor: []operandType{r, u},
|
|
|
|
vm.OpShR: []operandType{r, u},
|
|
vm.OpShL: []operandType{r, u},
|
|
|
|
vm.OpEq: []operandType{us, us},
|
|
vm.OpLTU: []operandType{u, u},
|
|
vm.OpLTS: []operandType{s, s},
|
|
vm.OpGTU: []operandType{u, u},
|
|
vm.OpGTS: []operandType{s, s},
|
|
vm.OpLTEU: []operandType{u, u},
|
|
vm.OpLTES: []operandType{s, s},
|
|
vm.OpGTEU: []operandType{u, u},
|
|
vm.OpGTES: []operandType{s, s},
|
|
|
|
vm.OpJmp: []operandType{s},
|
|
vm.OpJmpT: []operandType{s},
|
|
vm.OpJmpF: []operandType{s},
|
|
|
|
vm.OpCal: []operandType{s},
|
|
vm.OpCalT: []operandType{s},
|
|
vm.OpCalF: []operandType{s},
|
|
|
|
vm.OpRet: []operandType{},
|
|
vm.OpRetT: []operandType{},
|
|
vm.OpRetF: []operandType{},
|
|
}
|