1.\" Copyright (c) 2010 Joseph Koshy
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25.\" $Id: dwarf_formaddr.3 2073 2011-10-27 03:30:47Z jkoshy $
26.\"
27.Dd July 23, 2010
28.Os
29.Dt DWARF_FORMADDR 3
30.Sh NAME
31.Nm dwarf_formaddr
32.Nd return the value of an ADDRESS class attribute
33.Sh LIBRARY
34.Lb libdwarf
35.Sh SYNOPSIS
36.In libdwarf.h
37.Ft int
38.Fo dwarf_formaddr
39.Fa "Dwarf_Attribute attr"
40.Fa "Dwarf_Addr *ret"
41.Fa "Dwarf_Error *err"
42.Fc
43.Sh DESCRIPTION
44Function
45.Fn dwarf_formaddr
46sets the location pointed to by argument
47.Ar ret
48to the address represented by the attribute referenced
49by argument
50.Ar attr .
51The form of argument
52.Ar attr
53must be
54.Dv DW_FORM_addr .
55.Pp
56If argument
57.Ar err
58is not NULL, it will be used to return an error descriptor in case
59of an error.
60.Sh RETURN VALUES
61Function
62.Fn dwarf_formaddr
63returns
64.Dv DW_DLV_OK
65on success.
66In case of an error, it returns
67.Dv DW_DLV_ERROR
68and sets argument
69.Ar err .
70.Sh ERRORS
71Function
72.Fn dwarf_formblock
73may fail with the following errors:
74.Bl -tag -width ".Bq Er DW_DLE_ATTR_FORM_BAD"
75.It Bq Er DW_DLE_ARGUMENT
76Either of arguments
77.Ar attr
78or
79.Ar ret
80was NULL.
81.It Bq Er DW_DLE_ATTR_FORM_BAD
82The attribute referenced by argument
83.Ar attr
84was not of form
85.Dv DW_FORM_addr .
86.El
87.Sh SEE ALSO
88.Xr dwarf 3 ,
89.Xr dwarf_attr 3 ,
90.Xr dwarf_formblock 3 ,
91.Xr dwarf_formflag 3 ,
92.Xr dwarf_formref 3 ,
93.Xr dwarf_formsdata 3 ,
94.Xr dwarf_formsig8 3 ,
95.Xr dwarf_formstring 3 ,
96.Xr dwarf_formudata 3 ,
97.Xr dwarf_hasattr 3
98