xref: /freebsd/contrib/elftoolchain/libdwarf/dwarf_add_weakname.3 (revision 59c8e88e72633afbc47a4ace0d2170d00d51f7dc)
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_weakname.3 3640 2018-10-14 14:09:13Z jkoshy $
26.\"
27.Dd September 24, 2011
28.Dt DWARF_ADD_WEAKNAME 3
29.Os
30.Sh NAME
31.Nm dwarf_add_weakname
32.Nd add information about a weak object 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_weakname
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_weakname
47adds information about a weak object 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 weak
59object.
60.Pp
61Argument
62.Ar name
63should point to a NUL-terminated string containing the name
64of the weak object.
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_weakname
73returns a non-zero value.
74In case of an error, function
75.Fn dwarf_add_weakname
76returns 0 and sets
77the argument
78.Ar err .
79.Sh ERRORS
80Function
81.Fn dwarf_add_weakname
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_varname 3 ,
101.Xr dwarf_new_die 3 ,
102.Xr dwarf_producer_init 3 ,
103.Xr dwarf_producer_init_b 3
104