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vm: remove unused parameter from getJumpOffset

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This commit is contained in:
Evgenii Stratonikov 2020-06-26 19:17:17 +03:00
parent 270377637a
commit 709f656bcf
1 changed files with 4 additions and 4 deletions
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8
pkg/vm/vm.go
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@ -1218,7 +1218,7 @@ func (v *VM) execute(ctx *Context, op opcode.Opcode, parameter []byte) (err erro
opcode.JMPEQ, opcode.JMPEQL, opcode.JMPNE, opcode.JMPNEL, opcode.JMPEQ, opcode.JMPEQL, opcode.JMPNE, opcode.JMPNEL,
opcode.JMPGT, opcode.JMPGTL, opcode.JMPGE, opcode.JMPGEL, opcode.JMPGT, opcode.JMPGTL, opcode.JMPGE, opcode.JMPGEL,
opcode.JMPLT, opcode.JMPLTL, opcode.JMPLE, opcode.JMPLEL: opcode.JMPLT, opcode.JMPLTL, opcode.JMPLE, opcode.JMPLEL:
offset := v.getJumpOffset(ctx, parameter, 0) offset := v.getJumpOffset(ctx, parameter)
cond := true cond := true
switch op { switch op {
case opcode.JMP, opcode.JMPL: case opcode.JMP, opcode.JMPL:
@ -1240,7 +1240,7 @@ func (v *VM) execute(ctx *Context, op opcode.Opcode, parameter []byte) (err erro
newCtx.rvcount = -1 newCtx.rvcount = -1
v.istack.PushVal(newCtx) v.istack.PushVal(newCtx)
offset := v.getJumpOffset(newCtx, parameter, 0) offset := v.getJumpOffset(newCtx, parameter)
v.jumpIf(newCtx, offset, true) v.jumpIf(newCtx, offset, true)
case opcode.CALLA: case opcode.CALLA:
@ -1423,7 +1423,7 @@ func (v *VM) jumpIf(ctx *Context, offset int, cond bool) {
// to a which JMP should be performed. // to a which JMP should be performed.
// parameter should have length either 1 or 4 and // parameter should have length either 1 or 4 and
// is interpreted as little-endian. // is interpreted as little-endian.
func (v *VM) getJumpOffset(ctx *Context, parameter []byte, mod int) int { func (v *VM) getJumpOffset(ctx *Context, parameter []byte) int {
var rOffset int32 var rOffset int32
switch l := len(parameter); l { switch l := len(parameter); l {
case 1: case 1:
@ -1433,7 +1433,7 @@ func (v *VM) getJumpOffset(ctx *Context, parameter []byte, mod int) int {
default: default:
panic(fmt.Sprintf("invalid JMP* parameter length: %d", l)) panic(fmt.Sprintf("invalid JMP* parameter length: %d", l))
} }
offset := ctx.ip + int(rOffset) + mod offset := ctx.ip + int(rOffset)
if offset < 0 || offset > len(ctx.prog) { if offset < 0 || offset > len(ctx.prog) {
panic(fmt.Sprintf("JMP: invalid offset %d ip at %d", offset, ctx.ip)) panic(fmt.Sprintf("JMP: invalid offset %d ip at %d", offset, ctx.ip))
} }