// Same goes for runtime.text.X symbols.
	} else if ldr.SymPkg(x) == "" { // Undefined global symbol
		// If this happens, the algorithm must be redone.
		if currSymSrcFile.name != "" {
			Exitf("undefined global symbol found inside another file")
		}
	} else {
		// Current file has changed. New C_FILE, C_DWARF, etc must be generated.
		if currSymSrcFile.name != ldr.SymPkg(x) {
			if ctxt.LinkMode == LinkInternal {

	return r.unit
}

// SymPkg returns the package where the symbol came from (for
// regular compiler-generated Go symbols), but in the case of
// building with "-linkshared" (when a symbol is read from a
// shared library), will hold the library name.
// NOTE: this corresponds to sym.Symbol.File field.
func (l *Loader) SymPkg(i Sym) string {
	if f, ok := l.symPkg[i]; ok {
		return f
	}

		if (ctxt.IsExternal() && ldr.SymSect(s) != ldr.SymSect(rs)) || (ctxt.IsInternal() && int64(int32(t<<6)>>6) != t) || ldr.SymValue(rs) == 0 || (*ld.FlagDebugTramp > 1 && ldr.SymPkg(s) != ldr.SymPkg(rs)) {
			var tramp loader.Sym
			for i := 0; ; i++ {

				// Using r.Add as part of the name is significant in functions like duffzero where the call

		fsu.AddUintXX(d.arch, uint64(len(d.ldr.Data(fn))), d.arch.PtrSize) // address range
		fsu.AddBytes(deltaBuf)

		if d.linkctxt.HeadType == objabi.Haix {
			addDwsectCUSize(".debug_frame", d.ldr.SymPkg(fn), fdeLength+uint64(lengthFieldSize))
		}
	}

	return dwarfSecInfo{syms: []loader.Sym{fs}}
}

/*
 *  Walk DWarfDebugInfoEntries, and emit .debug_info
 */

const (