// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package x86

// argListMax specifies upper arg count limit expected to be carried by obj.Prog.
// Max len(obj.Prog.RestArgs) can be inferred from this to be 4.
const argListMax int = 6

type argList [argListMax]uint8

type ytab struct {
	zcase   uint8
	zoffset uint8

	// Last arg is usually destination.

// license that can be found in the LICENSE file.

package obj

// go-specific code shared across loaders (5l, 6l, 8l).

func Nopout(p *Prog) {
	p.As = ANOP
	p.Scond = 0
	p.From = Addr{}
	p.RestArgs = nil
	p.Reg = 0
	p.To = Addr{}

	ctxt.Diag("invalid encoding for argument %v", p)
}

func linkpatch(ctxt *Link, sym *LSym, newprog ProgAlloc) {
	for p := sym.Func().Text; p != nil; p = p.Link {
		checkaddr(ctxt, p, &p.From)
		for _, v := range p.RestArgs {
			checkaddr(ctxt, p, &v.Addr)
		}
		checkaddr(ctxt, p, &p.To)

		if ctxt.Arch.Progedit != nil {
			ctxt.Arch.Progedit(ctxt, p, newprog)
		}
		if p.To.Type != TYPE_BRANCH {
			continue
		}