if miblen == 0 {
		return 1
	}

	// Query kern.smp.maxcpus.
	dstsize := uintptr(4)
	maxcpus := uint32(0)
	if sysctl(&mib[0], miblen, (*byte)(unsafe.Pointer(&maxcpus)), &dstsize, nil, 0) != 0 {
		return 1
	}

	maskSize := int(maxcpus+7) / 8
	if maskSize < goarch.PtrSize {
		maskSize = goarch.PtrSize
	}
	if maskSize > len(mask) {
		maskSize = len(mask)
	}

		sh := ldr.Lookup("runtime.runtime_inittasks", 0)
		sb := ldr.MakeSymbolUpdater(sh)
		sb.SetSize(0)
		sb.SetType(sym.SNOPTRDATA) // Could be SRODATA, but see issue 58857.
		sb.AddAddr(ctxt.Arch, t)
		sb.AddUint(ctxt.Arch, uint64(ldr.SymSize(t)/int64(ctxt.Arch.PtrSize)))
		sb.AddUint(ctxt.Arch, uint64(ldr.SymSize(t)/int64(ctxt.Arch.PtrSize)))
	}
}

// inittaskSym builds a symbol containing pointers to all the inittasks

	return sb.setUintXX(arch, r, v, int64(arch.PtrSize))
}

func (sb *SymbolBuilder) SetUintptr(arch *sys.Arch, r int64, v uintptr) int64 {
	return sb.setUintXX(arch, r, uint64(v), int64(arch.PtrSize))
}

func (sb *SymbolBuilder) SetAddrPlus(arch *sys.Arch, off int64, tgt Sym, add int64) int64 {
	if sb.Type() == 0 {
		sb.SetType(sym.SDATA)
	}
	if off+int64(arch.PtrSize) > sb.size {
		sb.size = off + int64(arch.PtrSize)

// CommonSize returns sizeof(Type) for a compilation target with a given ptrSize
func CommonSize(ptrSize int) int { return 4*ptrSize + 8 + 8 }

// StructFieldSize returns sizeof(StructField) for a compilation target with a given ptrSize
func StructFieldSize(ptrSize int) int { return 3 * ptrSize }

// UncommonSize returns sizeof(UncommonType).  This currently does not depend on ptrSize.

	mhsz := uint64(unsafe.Sizeof(coverage.MetaFileHeader{}))
	stSize := m.stab.Size()
	stOffset := mhsz + uint64(16*len(blobs))
	preambleLength := stOffset + uint64(stSize)

	if m.debug {
		fmt.Fprintf(os.Stderr, "=+= sizeof(MetaFileHeader)=%d\n", mhsz)
		fmt.Fprintf(os.Stderr, "=+= preambleLength=%d stSize=%d\n", preambleLength, stSize)
	}

	// Compute total size
	tlen := preambleLength

#include "textflag.h"

#ifdef GOARCH_386
#define PTRSIZE 4
#endif
#ifdef GOARCH_arm
#define PTRSIZE 4
#endif
#ifdef GOARCH_mips
#define PTRSIZE 4
#endif
#ifdef GOARCH_mipsle
#define PTRSIZE 4
#endif
#ifndef PTRSIZE
#define PTRSIZE 8
#endif

TEXT	internal∕abi·FuncPCTestFn(SB),NOSPLIT,$0-0
	RET

GLOBL	internal∕abi·FuncPCTestFnAddr(SB), NOPTR, $PTRSIZE

			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",
			rel:     ".rela",
			relsize: 3 * sys.ArchAMD64.PtrSize,
			gotsize: sys.ArchAMD64.PtrSize,
		},
		{
			arch:    sys.ArchAMD64,
			ht:      objabi.Hdarwin,
			bm:      "pie",

	return abi.Kind(p[2*arch.PtrSize+7])&abi.KindGCProg != 0 //  0x13 / 0x1f
}

// Type.commonType.size
func decodetypeSize(arch *sys.Arch, p []byte) int64 {
	return int64(decodeInuxi(arch, p, arch.PtrSize)) // 0x8 / 0x10
}

// Type.commonType.ptrdata
func decodetypePtrdata(arch *sys.Arch, p []byte) int64 {
	return int64(decodeInuxi(arch, p[arch.PtrSize:], arch.PtrSize)) // 0x8 / 0x10
}

// Type.commonType.tflag

	Wasm
)

// Arch represents an individual architecture.
type Arch struct {
	Name   string
	Family ArchFamily

	ByteOrder binary.ByteOrder

	// PtrSize is the size in bytes of pointers and the
	// predeclared "int", "uint", and "uintptr" types.
	PtrSize int

	// RegSize is the size in bytes of general purpose registers.
	RegSize int

	// MinLC is the minimum length of an instruction code.
	MinLC int

}

func InitTypes(defTypeName func(sym *Sym, typ *Type) Object) {
	if PtrSize == 0 {
		base.Fatalf("InitTypes called before PtrSize was set")
	}

	SlicePtrOffset = 0
	SliceLenOffset = RoundUp(SlicePtrOffset+int64(PtrSize), int64(PtrSize))
	SliceCapOffset = RoundUp(SliceLenOffset+int64(PtrSize), int64(PtrSize))
	SliceSize = RoundUp(SliceCapOffset+int64(PtrSize), int64(PtrSize))

	// string is same as slice wo the cap