// libgcc.a.
func hostArchive(ctxt *Link, name string) {
	if ctxt.Debugvlog > 1 {
		ctxt.Logf("hostArchive(%s)\n", name)
	}
	f, err := bio.Open(name)
	if err != nil {
		if os.IsNotExist(err) {
			// It's OK if we don't have a libgcc file at all.
			if ctxt.Debugvlog != 0 {
				ctxt.Logf("skipping libgcc file: %v\n", err)
			}
			return
		}

	if architecture == nil {
		log.Fatalf("unrecognized architecture %s", GOARCH)
	}
	ctxt := obj.Linknew(architecture.LinkArch)
	ctxt.Debugasm = flags.PrintOut
	ctxt.Debugvlog = flags.DebugV
	ctxt.Flag_dynlink = *flags.Dynlink
	ctxt.Flag_linkshared = *flags.Linkshared
	ctxt.Flag_shared = *flags.Shared || *flags.Dynlink
	ctxt.Flag_maymorestack = flags.DebugFlags.MayMoreStack

			shlibname := filepath.Join(libdir, name+".shlibname")
			if ctxt.Debugvlog != 0 {
				ctxt.Logf("searching for %s.a in %s\n", name, shlibname)
			}
			if _, err := os.Stat(shlibname); err == nil {
				return addlibpath(ctxt, "internal", "internal", "", name, shlibname, zerofp)
			}
		}
		pname := filepath.Join(libdir, name+".a")
		if ctxt.Debugvlog != 0 {
			ctxt.Logf("searching for %s.a in %s\n", name, pname)
		}

		// possible that l's fingerprint is not yet loaded -- exclude it in
		// checking.
		checkFingerprint(l, l.Fingerprint, src, fingerprint)
		return l
	}

	pname, isshlib := findlib(ctxt, lib)

	if ctxt.Debugvlog > 1 {
		ctxt.Logf("addlib: %s %s pulls in %s isshlib %v\n", obj, src, pname, isshlib)
	}

	if isshlib {
		return addlibpath(ctxt, src, obj, "", pkg, pname, fingerprint)
	}

type Link struct {
	Target
	ErrorReporter
	ArchSyms

	outSem chan int // limits the number of output writers
	Out    *OutBuf

	version int // current version number for static/file-local symbols

	Debugvlog int
	Bso       *bufio.Writer

	Loaded bool // set after all inputs have been loaded as symbols

	compressDWARF bool

	Libdir       []string
	Library      []*sym.Library
	LibraryByPkg map[string]*sym.Library

			}

			if autosize&4 != 0 {
				autosize += 4
			}

			if autosize == 0 && c.cursym.Func().Text.Mark&LEAF == 0 {
				if c.cursym.Func().Text.From.Sym.NoSplit() {
					if ctxt.Debugvlog {
						ctxt.Logf("save suppressed in: %s\n", c.cursym.Name)
					}

					c.cursym.Func().Text.Mark |= LEAF
				}
			}

			p.To.Offset = int64(autosize) - ctxt.Arch.FixedFrameSize

			}

			if autosize == 0 && cursym.Func().Text.Mark&LEAF == 0 {
				// A very few functions that do not return to their caller
				// are not identified as leaves but still have no frame.
				if ctxt.Debugvlog {
					ctxt.Logf("save suppressed in: %s\n", cursym.Name)
				}

				cursym.Func().Text.Mark |= LEAF
			}

			// FP offsets need an updated p.To.Offset.
			p.To.Offset = int64(autosize) - 4

	// Build list of symbols, and assign instructions to lists.
	var curtext *LSym
	var etext *Prog
	var text []*LSym

	var plink *Prog
	for p := plist.Firstpc; p != nil; p = plink {
		if ctxt.Debugasm > 0 && ctxt.Debugvlog {
			fmt.Printf("obj: %v\n", p)
		}
		plink = p.Link
		p.Link = nil

		switch p.As {
		case AEND:
			continue

		case ATEXT:
			s := p.From.Sym
			if s == nil {
				// func _() { }

				p.To.Offset = int64(c.autosize) | int64(extrasize)<<32
			} else {
				// NOFRAME
				p.To.Offset = 0
			}

			if c.autosize == 0 && c.cursym.Func().Text.Mark&LEAF == 0 {
				if c.ctxt.Debugvlog {
					c.ctxt.Logf("save suppressed in: %s\n", c.cursym.Func().Text.From.Sym.Name)
				}
				c.cursym.Func().Text.Mark |= LEAF
			}

			if cursym.Func().Text.Mark&LEAF != 0 {
				cursym.Set(obj.AttrLeaf, true)

			if autosize&4 != 0 && c.ctxt.Arch.Family == sys.MIPS64 {
				autosize += 4
			}

			if autosize == 0 && c.cursym.Func().Text.Mark&LEAF == 0 {
				if c.cursym.Func().Text.From.Sym.NoSplit() {
					if ctxt.Debugvlog {
						ctxt.Logf("save suppressed in: %s\n", c.cursym.Name)
					}

					c.cursym.Func().Text.Mark |= LEAF
				}
			}

			p.To.Offset = int64(autosize) - ctxt.Arch.FixedFrameSize