526   if (loc->filenum != -1u && loc->u.view && lss->head)  in dwarf2_gen_line_info_1()
543   if (loc->filenum == 0)  in dwarf2_gen_line_info()
780       if (e->loc.filenum == -1u)  in do_allocate_filenum()
782 	  e->loc.filenum = allocate_filenum (e->loc.u.filename);  in do_allocate_filenum()
810 		know (e->loc.filenum == -1u);  in purge_generated_debug()
1028       line->filenum = -1u;  in dwarf2_where()
1245   offsetT filenum, line;  in dwarf2_directive_loc()  local
1252   filenum = get_absolute_expression ();  in dwarf2_directive_loc()
1256   if (filenum < 1)  in dwarf2_directive_loc()
1258       if (filenum == 0 && dwarf_level < 5)  in dwarf2_directive_loc()
1260       if (filenum < 0 || DWARF2_LINE_VERSION < 5)  in dwarf2_directive_loc()
1267   if ((valueT) filenum >= files_in_use || files[filenum].filename == NULL)  in dwarf2_directive_loc()
1269       as_bad (_("unassigned file number %ld"), (long) filenum);  in dwarf2_directive_loc()
1278   current.filenum = filenum;  in dwarf2_directive_loc()
1285       if (files[filenum].dir)  in dwarf2_directive_loc()
1287 	  size_t dir_len = strlen (dirs[files[filenum].dir]);  in dwarf2_directive_loc()
1288 	  size_t file_len = strlen (files[filenum].filename);  in dwarf2_directive_loc()
1291 	  memcpy (cp, dirs[files[filenum].dir], dir_len);  in dwarf2_directive_loc()
1293 	  memcpy (cp + dir_len + 1, files[filenum].filename, file_len);  in dwarf2_directive_loc()
1299 	listing_source_file (files[filenum].filename);  in dwarf2_directive_loc()
1974   unsigned filenum = 1;  in process_entries()  local
2017       if (filenum != e->loc.filenum)  in process_entries()
2019 	  filenum = e->loc.filenum;  in process_entries()
2021 	  out_uleb128 (filenum);  in process_entries()
3024   current.filenum = 1;  in dwarf2_init()