From: William F. Jolitz Date: Tue, 30 Apr 1991 19:40:28 +0000 (-0800) Subject: 386BSD 0.0 development X-Git-Tag: 386BSD-0.0~532 X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/commitdiff_plain/a6dcf8637de93d670398b87582f69cf7da19a66c 386BSD 0.0 development Work on file usr/src/include/a.out.h Co-Authored-By: Lynne Greer Jolitz Synthesized-from: 386BSD-0.0/src --- diff --git a/usr/src/include/a.out.h b/usr/src/include/a.out.h new file mode 100644 index 0000000000..83627f7082 --- /dev/null +++ b/usr/src/include/a.out.h @@ -0,0 +1,91 @@ +/*- + * Copyright (c) 1991 The Regents of the University of California. + * 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. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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. + * + * @(#)a.out.h 5.6 (Berkeley) 4/30/91 + */ + +#ifndef _AOUT_H_ +#define _AOUT_H_ + +#include + +#if defined(hp300) || defined(i386) +#define __LDPGSZ 4096 +#endif +#if defined(tahoe) || defined(vax) +#define __LDPGSZ 1024 +#endif + +/* Valid magic number check. */ +#define N_BADMAG(ex) \ + ((ex).a_magic != NMAGIC && (ex).a_magic != OMAGIC && \ + (ex).a_magic != ZMAGIC) + +/* Address of the bottom of the text segment. */ +#define N_TXTADDR(X) 0 + +/* Address of the bottom of the data segment. */ +#define N_DATADDR(ex) \ + (N_TXTADDR(ex) + ((ex).a_magic == OMAGIC ? (ex).a_text \ + : __LDPGSZ + ((ex).a_text - 1 & ~(__LDPGSZ - 1)))) + +/* Text segment offset. */ +#define N_TXTOFF(ex) \ + ((ex).a_magic == ZMAGIC ? __LDPGSZ : sizeof(struct exec)) + +/* Data segment offset. */ +#define N_DATOFF(ex) \ + (N_TXTOFF(ex) + ((ex).a_magic != ZMAGIC ? (ex).a_text : \ + : __LDPGSZ + ((ex).a_text - 1 & ~(__LDPGSZ - 1)))) + +/* Symbol table offset. */ +#define N_SYMOFF(ex) \ + (N_TXTOFF(ex) + (ex).a_text + (ex).a_data + (ex).a_trsize + \ + (ex).a_drsize) + +/* String table offset. */ +#define N_STROFF(ex) (N_SYMOFF(ex) + (ex).a_syms) + +/* Relocation format. */ +struct relocation_info { + int r_address; /* offset in text or data segment */ + unsigned int r_symbolnum : 24, /* ordinal number of add symbol */ + r_pcrel : 1, /* 1 if value should be pc-relative */ + r_length : 2, /* log base 2 of value's width */ + r_extern : 1, /* 1 if need to add symbol to value */ + : 4; /* reserved */ +}; + +#define _AOUT_INCLUDE_ +#include + +#endif /* !_AOUT_H_ */