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+.\" Copyright (c) 2011 Kai Wang
+.\" All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\" $Id: dwarf_add_AT_dataref.3 2072 2011-10-27 03:26:49Z jkoshy $
+.\"
+.Dd September 4, 2011
+.Os
+.Dt DWARF_ADD_AT_DATAREF 3
+.Sh NAME
+.Nm dwarf_add_AT_dataref
+.Nd create an attribute descriptor for a relocatable address
+.Sh LIBRARY
+.Lb libdwarf
+.Sh SYNOPSIS
+.In libdwarf.h
+.Ft "Dwarf_P_Attribute"
+.Fo dwarf_add_AT_dataref
+.Fa "Dwarf_P_Debug dbg"
+.Fa "Dwarf_P_Die die"
+.Fa "Dwarf_Half attr"
+.Fa "Dwarf_Unsigned pc_value"
+.Fa "Dwarf_Unsigned sym_index"
+.Fa "Dwarf_Error *err"
+.Fc
+.Sh DESCRIPTION
+Function
+.Fn dwarf_add_AT_dataref
+creates an attribute descriptor for a relocatable address and attaches
+it to the debugging information entry referenced by argument
+.Ar die .
+.Pp
+If flag
+.Dv DW_DLC_SIZE_64
+is set, the address value will be 8 bytes in size and of the DWARF form
+.Dv DW_FORM_data8 .
+Otherwise, the address value will be 4 bytes in size and of the DWARF form
+.Dv DW_FORM_data4 .
+.Pp
+Argument
+.Ar dbg
+should reference a DWARF producer instance allocated using
+.Xr dwarf_producer_init 3
+or
+.Xr dwarf_producer_init_b 3 .
+.Pp
+Argument
+.Ar die
+should reference a debugging information entry allocated using
+.Xr dwarf_new_die 3 .
+.Pp
+Argument
+.Ar attr
+specifies the attribute code of the created attribute descriptor.
+.Pp
+Argument
+.Ar pc_value
+specifies the value of the relocatable address.
+.Pp
+Argument
+.Ar sym_index
+specifies the ELF symbol index of the symbol to be used for
+relocation.
+.Pp
+If argument
+.Ar err
+is not NULL, it will be used to store error information in case
+of an error.
+.Sh RETURN VALUES
+On success, function
+.Fn dwarf_add_AT_dataref
+returns the created attribute descriptor.
+In case of an error, function
+.Fn dwarf_add_AT_dataref
+returns
+.Dv DW_DLV_BADADDR
+and sets the argument
+.Ar err .
+.Sh ERRORS
+Function
+.Fn dwarf_add_AT_dataref
+can fail with:
+.Bl -tag -width ".Bq Er DW_DLE_ARGUMENT"
+.It Bq Er DW_DLE_ARGUMENT
+Either of the arguments
+.Ar dbg
+or
+.Ar die
+was NULL.
+.It Bq Er DW_DLE_MEMORY
+An out of memory condition was encountered during the execution of the
+function.
+.El
+.Sh SEE ALSO
+.Xr dwarf 3 ,
+.Xr dwarf_add_AT_reference 3 ,
+.Xr dwarf_add_AT_ref_address 3 ,
+.Xr dwarf_add_AT_signed_const 3 ,
+.Xr dwarf_add_AT_unsigned_const 3 ,
+.Xr dwarf_new_die 3 ,
+.Xr dwarf_producer_init 3 ,
+.Xr dwarf_producer_init_b 3