1.\" 2.\" Copyright (c) 1998 David E. O'Brien 3.\" 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 15.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR 16.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT, 19.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25.\" 26.\" $FreeBSD: src/usr.bin/objformat/objformat.1,v 1.3.2.4 2002/06/21 15:28:32 charnier Exp $ 27.\" 28.Dd November 14, 2015 29.Dt OBJFORMAT 1 30.Os 31.Sh NAME 32.Nm objformat 33.Nd reports default binary format and program deflector 34.Sh SYNOPSIS 35.Nm 36.Nm prog 37.Sh DESCRIPTION 38If run as 39.Nm 40the default object file format is reported. 41The only supported object file format is 42.Ar elf . 43.Pp 44If invoked by any other name, the path of the 45.Nm prog 46that will be executed is determined as follows: 47.Pp 48If 49.Nm prog 50is a binutil (such as 51.Xr as 1 52and 53.Xr ld 1 ) , 54it is expanded to 55.Pa /usr/libexec/<binutils>/elf/ Ns Nm prog 56and executed. 57.Dq <binutils> 58defaults to the current binutils version used by 59.Dx 60and can be overridden using the 61.Ev BINUTILSVER 62environment variable. 63.Pp 64If 65.Nm prog 66is a compiler (such as 67.Xr gcc 1 ) , 68it is expanded to 69.Pa /usr/libexec/<ccver>/ Ns Nm prog 70and executed. 71.Dq <ccver> 72defaults to the current compiler used by 73.Dx 74and can be overridden using the 75.Ev CCVER 76environment variable. 77.Sh ENVIRONMENT 78.Bl -tag -width OBJFORMAT_PATH 79.It Ev BINUTILSVER 80The 81.Dq <binutils> 82component to be used for binutils paths. 83.It Ev CCVER 84The 85.Dq <ccver> 86component to be used for compiler paths. 87.It Ev LDVER 88If this variable is defined as 89.Dq ld.bfd 90then the ld command will be an alias for the classic 91.Dq GNU ld 92linker. If it is undefined or any other value, the ld command will 93execute the newer 94.Dq GNU gold 95linker. 96.It Ev OBJFORMAT_PATH 97If 98.Ev OBJFORMAT_PATH 99is set, its value is prepended to the path name determined by the 100.Nm 101rules. 102If it is a sequence of colon separated paths, each of 103.Ev OBJFORMAT_PATH Ap s 104elements is prepended to the path name until execution succeeds. 105.El 106.Sh EXIT STATUS 107The 108.Nm 109utility returns with exit code 1 110if called with an improper number of arguments, or if 111.Nm prog 112could not be executed. 113.Sh SEE ALSO 114.Xr file 1 , 115.Xr getobjformat 3 116.Sh HISTORY 117The 118.Nm 119command appeared in 120.Fx 3.0 . 121.Sh AUTHORS 122.An -nosplit 123The 124.Nm 125utility was written by 126.An Peter Wemm Aq Mt peter@netplex.com.au . 127This manual page was written by 128.An David O'Brien Aq Mt obrien@NUXI.com . 129