SYS_PROFIL                   = 44  // { int profil(caddr_t samples, size_t size, size_t offset, u_int scale); }
	SYS_KTRACE                   = 45  // { int ktrace(const char *fname, int ops, int facs, int pid); }
	SYS_GETGID                   = 47  // { gid_t getgid(void); }
	SYS_GETLOGIN                 = 49  // { int getlogin(char *namebuf, u_int namelen); }
	SYS_SETLOGIN                 = 50  // { int setlogin(char *namebuf); }

	SYS_PROFIL                   = 44  // { int profil(caddr_t samples, size_t size, size_t offset, u_int scale); }
	SYS_KTRACE                   = 45  // { int ktrace(const char *fname, int ops, int facs, int pid); }
	SYS_GETGID                   = 47  // { gid_t getgid(void); }
	SYS_GETLOGIN                 = 49  // { int getlogin(char *namebuf, u_int namelen); }
	SYS_SETLOGIN                 = 50  // { int setlogin(char *namebuf); }

		{name: "NGCzerocarry", argLength: 1, reg: gp0flags1, typ: "UInt64", asm: "NGC"},       // -1 if borrowing, 0 otherwise.
		{name: "FABSD", argLength: 1, reg: fp11, asm: "FABSD"},                                // abs(arg0), float64
		{name: "FNEGS", argLength: 1, reg: fp11, asm: "FNEGS"},                                // -arg0, float32

	names = append(names, "runtime.unreachableMethod")
	if d.ctxt.BuildMode == BuildModePlugin {
		names = append(names, objabi.PathToPrefix(*flagPluginPath)+"..inittask", objabi.PathToPrefix(*flagPluginPath)+".main", "go:plugin.tabs")

		// We don't keep the go.plugin.exports symbol,
		// but we do keep the symbols it refers to.
		exportsIdx := d.ldr.Lookup("go:plugin.exports", 0)
		if exportsIdx != 0 {
			relocs := d.ldr.Relocs(exportsIdx)

	canonical := func(dir string) string {
		if isSameDir(def, dir) {
			return def
		}
		return dir
	}

	exe, err := os.Executable()
	if err == nil {
		exe, err = filepath.Abs(exe)
		if err == nil {
			// cmd/go may be installed in GOROOT/bin or GOROOT/bin/GOOS_GOARCH,
			// depending on whether it was cross-compiled with a different
			// GOHOSTOS (see https://go.dev/issue/62119). Try both.

// cmd/7l/noop.c, cmd/7l/obj.c, cmd/ld/pass.c from Vita Nuova.
// https://bitbucket.org/plan9-from-bell-labs/9-cc/src/master/
//
// 	Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved.
// 	Portions Copyright © 1995-1997 C H Forsyth (******@****.***)
// 	Portions Copyright © 1997-1999 Vita Nuova Limited
// 	Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com)
// 	Portions Copyright © 2004,2006 Bruce Ellis

			p.Mark |= LABEL | SYNC
			continue

		case AMOVW, AMOVWZ, AMOVD:
			q = p
			if p.From.Reg >= REG_SPECIAL || p.To.Reg >= REG_SPECIAL {
				p.Mark |= LABEL | SYNC
			}
			continue

		case AFABS,
			AFABSCC,
			AFADD,
			AFADDCC,
			AFCTIW,
			AFCTIWCC,
			AFCTIWZ,
			AFCTIWZCC,
			AFDIV,
			AFDIVCC,
			AFMADD,
			AFMADDCC,
			AFMOVD,
			AFMOVDU,
			/* case AFMOVDS: */

for(const tab of this.$.tabs.tabs){tab.nodes=undefined;}

		ins.imm = 1

	case ASNEZ:
		// SNEZ rs, rd -> SLTU rs, x0, rd
		ins.as = ASLTU
		ins.rs1 = REG_ZERO

	case AFABSS:
		// FABSS rs, rd -> FSGNJXS rs, rs, rd
		ins.as = AFSGNJXS
		ins.rs1 = uint32(p.From.Reg)

	case AFABSD:
		// FABSD rs, rd -> FSGNJXD rs, rs, rd
		ins.as = AFSGNJXD
		ins.rs1 = uint32(p.From.Reg)

	case AFNEGS:
		// FNEGS rs, rd -> FSGNJNS rs, rs, rd

				b.WriteByte(byte(r))
			} else {
				// r is not an ASCII rune.
				b.WriteRune(r)
			}
		}
	}

	return b.String()
}

// According to static analysis, spaces, dashes, zeros, equals, and tabs
// are the most commonly repeated string literal,
// often used for display on fixed-width terminal windows.
// Pre-declare constants for these for O(1) repetition in the common-case.
const (
	repeatedSpaces = "" +