// them to a go version of these functions in runtime/asm_ppc64x.s
	ts := ldr.LookupOrCreateSym("runtime.elf_"+s[1], 0)
	r.SetSym(ts)
	r.SetAdd(int64((n - minReg) * offMul))
	firstUse = !ldr.AttrReachable(ts)
	if firstUse {
		// This function only becomes reachable now. It has been dropped from
		// the text section (it was unreachable until now), it needs included.

// and os.Stderr.
func (t *tester) dirCmd(dir string, cmdline ...interface{}) *exec.Cmd {
	bin, args := flattenCmdline(cmdline)
	cmd := exec.Command(bin, args...)
	if filepath.IsAbs(dir) {
		setDir(cmd, dir)
	} else {
		setDir(cmd, filepath.Join(goroot, dir))
	}
	cmd.Stdout = os.Stdout
	cmd.Stderr = os.Stderr
	if vflag > 1 {
		errprintf("%s\n", strings.Join(cmd.Args, " "))
	}
	return cmd
}

// then the entire ecosystem of packages with that as a dependency had to
// explicitly update to the new version. Many packages depend on
// assume-no-moving-gc transitively, through paths like
// inet.af/netaddr -> go4.org/intern -> assume-no-moving-gc.
// This was causing a significant amount of friction around each new
// release, so we added this bool for the package to //go:linkname

)

// EscapeCommFunction constants. See https://learn.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-escapecommfunction.
const (
	SETXOFF  = 1
	SETXON   = 2
	SETRTS   = 3
	CLRRTS   = 4
	SETDTR   = 5
	CLRDTR   = 6
	SETBREAK = 8
	CLRBREAK = 9
)

// PurgeComm constants. See https://learn.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-purgecomm.
const (
	PURGE_TXABORT = 0x0001