diff options
author | rnordier <rnordier@FreeBSD.org> | 2000-11-04 13:02:00 +0000 |
---|---|---|
committer | rnordier <rnordier@FreeBSD.org> | 2000-11-04 13:02:00 +0000 |
commit | 18e0fe6967f684c8adb8dd9db3a8cb24f70e7705 (patch) | |
tree | 796a6ec2a8cda6145d54708de7195fc62b04838a /usr.sbin/kgzip/aouthdr.h | |
parent | 2cfec00a84116cb5277eecec357964eb0c113954 (diff) | |
download | FreeBSD-src-18e0fe6967f684c8adb8dd9db3a8cb24f70e7705.zip FreeBSD-src-18e0fe6967f684c8adb8dd9db3a8cb24f70e7705.tar.gz |
Add support for creating a.out output files in addition to ELF.
This allows booting from compressed binaries using older bootstraps.
Thanks to: dwmalone
Diffstat (limited to 'usr.sbin/kgzip/aouthdr.h')
-rw-r--r-- | usr.sbin/kgzip/aouthdr.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/usr.sbin/kgzip/aouthdr.h b/usr.sbin/kgzip/aouthdr.h new file mode 100644 index 0000000..63c2dff --- /dev/null +++ b/usr.sbin/kgzip/aouthdr.h @@ -0,0 +1,59 @@ +/* + * Copyright (c) 2000 Robert Nordier + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include <a.out.h> +#include "kgz.h" + +/* Relocatable header: part 0 */ +struct kgz_aouthdr0 { + struct exec a; +}; + +/* Symbol table entries */ +#define KGZ__STNUM 2 + +/* Symbol table strings */ +#define KGZ__STR_KGZ "_kgz" +#define KGZ__STR_KGZ_NDATA "_kgz_ndata" + +/* String table */ +struct kgz__strtab { + unsigned long length; + char kgz[sizeof(KGZ__STR_KGZ)]; + char kgz_ndata[sizeof(KGZ__STR_KGZ_NDATA)]; +}; + +/* Relocatable header: part 1 */ +struct kgz_aouthdr1 { + struct nlist st[KGZ__STNUM]; + struct kgz__strtab strtab; +}; + +extern const struct kgz_aouthdr0 aouthdr0; +extern const struct kgz_aouthdr1 aouthdr1; |