// It returns nil if GOARCH is not recognized.
func Set(GOARCH string, shared bool) *Arch {
	switch GOARCH {
	case "386":
		return archX86(&x86.Link386)
	case "amd64":
		return archX86(&x86.Linkamd64)
	case "arm":
		return archArm()
	case "arm64":
		return archArm64()
	case "loong64":
		return archLoong64(&loong64.Linkloong64)
	case "mips":

		ht      objabi.HeadType
		bm, lm  string
		rel     string
		relsize int
		gotsize int
	}{
		{
			arch:    sys.Arch386,
			ht:      objabi.Hlinux,
			bm:      "pie",
			lm:      "internal",
			rel:     ".rel",
			relsize: 2 * sys.Arch386.PtrSize,
			gotsize: sys.Arch386.PtrSize,
		},
		{
			arch:    sys.ArchAMD64,
			ht:      objabi.Hlinux,
			bm:      "pie",
			lm:      "internal",

            return platformName(OS_WINDOWS, ARCH_X86);
        }
        if (os.isLinux()) {
            return platformName(OS_LINUX, architecture.getName());
        }
        if (os.isMacOsX()) {
            return platformName(OS_OSX, architecture.getName());
        }
        return platformName(OS_UNIX, ARCH_X86);
    }

// architecture families.
func (a *Arch) InFamily(xs ...ArchFamily) bool {
	for _, x := range xs {
		if a.Family == x {
			return true
		}
	}
	return false
}

var Arch386 = &Arch{
	Name:           "386",
	Family:         I386,
	ByteOrder:      binary.LittleEndian,
	PtrSize:        4,
	RegSize:        4,
	MinLC:          1,
	Alignment:      1,
	CanMergeLoads:  true,

// THE SOFTWARE.

package x86

import (
	"cmd/internal/objabi"
	"cmd/internal/sys"
	"cmd/link/internal/ld"
)

func Init() (*sys.Arch, ld.Arch) {
	arch := sys.Arch386

	theArch := ld.Arch{
		Funcalign:  funcAlign,
		Maxalign:   maxAlign,
		Minalign:   minAlign,
		Dwarfregsp: dwarfRegSP,
		Dwarfreglr: dwarfRegLR,
		// 0xCC is INT $3 - breakpoint instruction

	Assemble:       span6,
	Progedit:       progedit,
	SEH:            populateSeh,
	UnaryDst:       unaryDst,
	DWARFRegisters: AMD64DWARFRegisters,
}

var Link386 = obj.LinkArch{
	Arch:           sys.Arch386,
	Init:           instinit,
	Preprocess:     preprocess,
	Assemble:       span6,
	Progedit:       progedit,
	UnaryDst:       unaryDst,
	DWARFRegisters: X86DWARFRegisters,

	// In all cases way we mark the moduledata as noptrdata to hide it from
	// the GC.
	mdsb.SetType(sym.SNOPTRDATA)
	ctxt.loader.SetAttrReachable(moduledata, true)
	ctxt.Moduledata = moduledata

	if ctxt.Arch == sys.Arch386 && ctxt.HeadType != objabi.Hwindows {
		if (ctxt.BuildMode == BuildModeCArchive && ctxt.IsELF) || ctxt.BuildMode == BuildModeCShared || ctxt.BuildMode == BuildModePIE || ctxt.DynlinkingGo() {