PtrSize:        4,
	RegSize:        4,
	MinLC:          4,
	Alignment:      4, // TODO: just for arm5?
	CanMergeLoads:  false,
	HasLR:          true,
	FixedFrameSize: 4, // LR
}

var ArchARM64 = &Arch{
	Name:           "arm64",
	Family:         ARM64,
	ByteOrder:      binary.LittleEndian,
	PtrSize:        8,
	RegSize:        8,
	MinLC:          4,
	Alignment:      1,
	CanMergeLoads:  true,

// THE SOFTWARE.

package arm64

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

func Init() (*sys.Arch, ld.Arch) {
	arch := sys.ArchARM64

	theArch := ld.Arch{
		Funcalign:  funcAlign,
		Maxalign:   maxAlign,
		Minalign:   minAlign,
		Dwarfregsp: dwarfRegSP,
		Dwarfreglr: dwarfRegLR,

)

func GetAdditionVMImages(t framework.TestContext) []string {
	var out []echo.VMDistro
	imgs := kube.VMImages
	if t.Environment().(*kubeenv.Environment).Settings().Architecture == kubeenv.ArchARM64 {
		imgs = kube.ArmVMImages
	}
	for distro, image := range imgs {
		if distro == echo.DefaultVMDistro {
			continue
		}
		out = append(out, image)
	}
	return out
}

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":
		return archMips(&mips.Linkmips)
	case "mipsle":
		return archMips(&mips.Linkmipsle)
	case "mips64":

	"istio.io/istio/pkg/test/framework/config"
	"istio.io/istio/pkg/test/scopes"
	"istio.io/istio/pkg/test/util/file"
)

const (
	defaultKubeConfig = "~/.kube/config"
)

const (
	ArchAMD64 = "amd64"
	ArchARM64 = "arm64"
)

var (
	// Settings we will collect from the command-line.
	settingsFromCommandLine = &Settings{
		LoadBalancerSupported: true,
		Architecture:          ArchAMD64,
	}

	alias("sync/atomic", "AndUint32", "internal/runtime/atomic", "And32", sys.ArchARM64)
	alias("sync/atomic", "AndInt64", "internal/runtime/atomic", "And64", sys.ArchARM64)
	alias("sync/atomic", "AndUint64", "internal/runtime/atomic", "And64", sys.ArchARM64)
	alias("sync/atomic", "AndUintptr", "internal/runtime/atomic", "And64", sys.ArchARM64)

}

var unaryDst = map[obj.As]bool{
	AWORD:  true,
	ADWORD: true,
	ABL:    true,
	AB:     true,
	ACLREX: true,
}

var Linkarm64 = obj.LinkArch{
	Arch:           sys.ArchARM64,
	Init:           buildop,
	Preprocess:     preprocess,
	Assemble:       span7,
	Progedit:       progedit,
	UnaryDst:       unaryDst,
	DWARFRegisters: ARM64DWARFRegisters,