1.\" Copyright (c) 2010 Kai Wang 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $Id: dwarf_tag.3 3640 2018-10-14 14:09:13Z jkoshy $ 26.\" 27.Dd April 14, 2010 28.Dt DWARF_TAG 3 29.Os 30.Sh NAME 31.Nm dwarf_tag 32.Nd retrieve the tag associated with a DWARF debugging information entry 33.Sh LIBRARY 34.Lb libdwarf 35.Sh SYNOPSIS 36.In libdwarf.h 37.Ft int 38.Fn dwarf_tag "Dwarf_Die die" "Dwarf_Half *tag" "Dwarf_Error *err" 39.Sh DESCRIPTION 40Function 41.Fn dwarf_tag 42retrieves the tag associated with the debugging information entry 43referenced by argument 44.Ar die , 45and stores it into the location pointed to by argument 46.Ar tag . 47.Pp 48If argument 49.Ar err 50if non-NULL, it will be used to return an error descriptor in case of 51an error. 52.Sh RETURN VALUES 53On success, function 54.Fn dwarf_tag 55returns 56.Dv DW_DLV_OK . 57In case of an error, it returns 58.Dv DW_DLV_ERROR 59and sets argument 60.Ar err . 61.Sh ERRORS 62Function 63.Fn dwarf_tag 64can fail with the following error: 65.Bl -tag -width ".Bq Er DW_DLE_ARGUMENT" 66.It Bq Er DW_DLE_ARGUMENT 67Argument 68.Va die 69or 70.Va tag 71was NULL. 72.El 73.Sh SEE ALSO 74.Xr dwarf 3 , 75.Xr dwarf_die_abbrev_code 3 , 76.Xr dwarf_diename 3 , 77.Xr dwarf_dieoffset 3 78