1.\" Copyright (c) 2010 Kai Wang
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25.\" $Id: dwarf_get_address_size.3 3644 2018-10-15 19:55:01Z jkoshy $
26.\"
27.Dd April 14, 2010
28.Dt DWARF_GET_ADDRESS_SIZE 3
29.Os
30.Sh NAME
31.Nm dwarf_get_address_size
32.Nd return the number of bytes needed to represent an address
33.Sh LIBRARY
34.Lb libdwarf
35.Sh SYNOPSIS
36.In libdwarf.h
37.Ft int
38.Fo dwarf_get_address_size
39.Fa "Dwarf_Debug dbg"
40.Fa "Dwarf_Half *addr_size"
41.Fa "Dwarf_Error *err"
42.Fc
43.Sh DESCRIPTION
44Function
45.Fn dwarf_get_address_size
46returns the size in bytes of a native address for a program object.
47.Pp
48Argument
49.Ar dbg
50should denote a DWARF debug context created from a program object using
51.Xr dwarf_init 3 .
52Argument
53.Ar addr_size
54should point to a location that will hold the returned size.
55Argument
56.Ar err ,
57if non-NULL, it will be used to return error information.
58.Sh RETURN VALUES
59On success, function
60.Fn dwarf_tag
61returns
62.Dv DW_DLV_OK .
63In case of an error, it returns
64.Dv DW_DLV_ERROR
65and sets argument
66.Ar err .
67.Sh ERRORS
68Function
69.Fn dwarf_get_address_size
70can fail with the following error:
71.Bl -tag -width ".Bq Er DW_DLE_ARGUMENT"
72.It Bq Er DW_DLE_ARGUMENT
73Either of arguments
74.Ar dbg
75or
76.Ar addr_size
77was NULL.
78.El
79.Sh SEE ALSO
80.Xr dwarf 3 ,
81.Xr dwarf_finish 3 ,
82.Xr dwarf_init 3
83