}
			ctxt.PackageFile[before] = after
		case "packageshlib":
			if before == "" || after == "" {
				log.Fatalf(`%s:%d: invalid packageshlib: syntax is "packageshlib path=filename"`, file, lineNum)
			}
			ctxt.PackageShlib[before] = after
		case "modinfo":
			s, err := strconv.Unquote(args)
			if err != nil {

	-f
		Ignore version mismatch in the linked archives.
	-g
		Disable Go package data checks.
	-importcfg file
		Read import configuration from file.
		In the file, set packagefile, packageshlib to specify import resolution.
	-installsuffix suffix
		Look for packages in $GOROOT/pkg/$GOOS_$GOARCH_suffix
		instead of $GOROOT/pkg/$GOOS_$GOARCH.
	-k symbol

	Libdir       []string
	Library      []*sym.Library
	LibraryByPkg map[string]*sym.Library
	Shlibs       []Shlib
	Textp        []loader.Sym
	Moduledata   loader.Sym

	PackageFile  map[string]string
	PackageShlib map[string]string

	tramps []loader.Sym // trampolines

	compUnits []*sym.CompilationUnit // DWARF compilation units
	runtimeCU *sym.CompilationUnit   // One of the runtime CUs, the last one seen.