1.\" Copyright (c) 2011 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_add_varname.3 2072 2011-10-27 03:26:49Z jkoshy $ 26.\" 27.Dd September 24, 2011 28.Os 29.Dt DWARF_ADD_VARNAME 3 30.Sh NAME 31.Nm dwarf_add_varname 32.Nd add information about a static variable to a DWARF producer instance 33.Sh LIBRARY 34.Lb libdwarf 35.Sh SYNOPSIS 36.In libdwarf.h 37.Ft "Dwarf_Unsigned" 38.Fo dwarf_add_varname 39.Fa "Dwarf_P_Debug dbg" 40.Fa "Dwarf_P_Die die" 41.Fa "char *name" 42.Fa "Dwarf_Error *err" 43.Fc 44.Sh DESCRIPTION 45Function 46.Fn dwarf_add_varname 47adds information about a static variable to a DWARF producer instance. 48.Pp 49Argument 50.Ar dbg 51should reference a DWARF producer instance allocated using 52.Xr dwarf_producer_init 3 53or 54.Xr dwarf_producer_init_b 3 . 55.Pp 56Argument 57.Ar die 58specifies the debugging information entry associated with the static 59variable. 60.Pp 61Argument 62.Ar name 63should point to a NUL-terminated string containing the name 64of the static variable. 65.Pp 66If argument 67.Ar err 68is not NULL, it will be used to store error information in case of an 69error. 70.Sh RETURN VALUES 71On success, function 72.Fn dwarf_add_varname 73returns a non-zero value. 74In case of an error, function 75.Fn dwarf_add_varname 76returns 0 and sets 77the argument 78.Ar err . 79.Sh ERRORS 80Function 81.Fn dwarf_add_varname 82can fail with: 83.Bl -tag -width ".Bq Er DW_DLE_ARGUMENT" 84.It Bq Er DW_DLE_ARGUMENT 85One of the arguments 86.Ar dbg , 87.Ar die 88or 89.Ar name 90was NULL. 91.It Bq Er DW_DLE_MEMORY 92An out of memory condition was encountered during the execution of the 93function. 94.El 95.Sh SEE ALSO 96.Xr dwarf 3 , 97.Xr dwarf_add_funcname 3 , 98.Xr dwarf_add_pubname 3 , 99.Xr dwarf_add_typename 3 , 100.Xr dwarf_add_weakname 3 , 101.Xr dwarf_new_die 3 , 102.Xr dwarf_producer_init 3 , 103.Xr dwarf_producer_init_b 3 104