.\" Copyright (c) 2011 Kai Wang
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.\" $Id: dwarf_add_die_to_debug.3 3640 2018-10-14 14:09:13Z jkoshy $
.\"
.Dd August 21, 2011
.Dt DWARF_ADD_DIE_TO_DEBUG 3
.Os
.Sh NAME
.Nm dwarf_add_die_to_debug
.Nd set the root debugging information entry
.Sh LIBRARY
.Lb libdwarf
.Sh SYNOPSIS
.In libdwarf.h
.Ft Dwarf_Unsigned
.Fo dwarf_add_die_to_debug
.Fa "Dwarf_P_Debug dbg"
.Fa "Dwarf_P_Die first_die"
.Fa "Dwarf_Error *err"
.Fc
.Sh DESCRIPTION
Function
.Fn dwarf_add_die_to_debug
sets the root debugging information entry of a DWARF producer
instance.
All debugging information entries linked to the root entry will also
be added to the producer instance.
.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 first_die
should hold the debugging information entry which will become
the root DIE.
.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_die_to_debug
returns
.Dv DW_DLV_OK .
In case of an error, function
.Fn dwarf_add_die_to_debug
returns
.Dv DW_DLV_NOCOUNT
and sets the argument
.Ar err .
.Sh ERRORS
Function
.Fn dwarf_add_die_to_debug
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 first_die
was NULL.
.El
.Sh SEE ALSO
.Xr dwarf 3 ,
.Xr dwarf_die_link 3 ,
.Xr dwarf_new_die 3 ,
.Xr dwarf_producer_init 3 ,
.Xr dwarf_producer_init_b 3