1.\" Copyright (c) 2010 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_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