1/*	$NetBSD: freebsd_exec.h,v 1.16 2008/11/19 18:36:02 ad Exp $	*/
2
3/*-
4 * Copyright (c) 1992, 1993
5 *	The Regents of the University of California.  All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 *    may be used to endorse or promote products derived from this software
17 *    without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 *	from: @(#)exec.h	8.1 (Berkeley) 6/11/93
32 *	from: imgact_aout.h,v 1.2 1994/12/30 08:06:19 bde Exp
33 */
34
35#ifndef	_FREEBSD_EXEC_H
36#define	_FREEBSD_EXEC_H
37
38#ifdef EXEC_AOUT
39#define FREEBSD_N_GETMAGIC(ex) \
40	( (ex).a_midmag & 0xffff )
41#define FREEBSD_N_GETMID(ex) \
42	( ((ex).a_midmag >> 16) & 0x03ff )
43#define FREEBSD_N_GETFLAG(ex) \
44	( ((ex).a_midmag >> 26) & 0x3f )
45#define FREEBSD_N_SETMAGIC(ex,mag,mid,flag) \
46	( (ex).a_midmag = (((flag) & 0x3f) <<26) | (((mid) & 0x03ff) << 16) | \
47	((mag) & 0xffff) )
48
49#define FREEBSD_N_ALIGN(ex,x) \
50	(FREEBSD_N_GETMAGIC(ex) == ZMAGIC || \
51	 FREEBSD_N_GETMAGIC(ex) == QMAGIC ? \
52	 ((x) + FREEBSD___LDPGSZ - 1) & \
53	 ~(unsigned long)(FREEBSD___LDPGSZ - 1) : (x))
54
55/* Valid magic number check. */
56#define	FREEBSD_N_BADMAG(ex) \
57	(FREEBSD_N_GETMAGIC(ex) != OMAGIC && \
58	 FREEBSD_N_GETMAGIC(ex) != NMAGIC && \
59	 FREEBSD_N_GETMAGIC(ex) != ZMAGIC && \
60	 FREEBSD_N_GETMAGIC(ex) != QMAGIC)
61
62/* Address of the bottom of the text segment. */
63#define FREEBSD_N_TXTADDR(ex) \
64	((FREEBSD_N_GETMAGIC(ex) == OMAGIC || \
65	  FREEBSD_N_GETMAGIC(ex) == NMAGIC || \
66	  FREEBSD_N_GETMAGIC(ex) == ZMAGIC) ? 0 : AOUT_LDPGSZ)
67
68/* Address of the bottom of the data segment. */
69#define FREEBSD_N_DATADDR(ex) \
70	FREEBSD_N_ALIGN(ex, FREEBSD_N_TXTADDR(ex) + (ex).a_text)
71
72/* Text segment offset. */
73#define	FREEBSD_N_TXTOFF(ex) \
74	(FREEBSD_N_GETMAGIC(ex) == ZMAGIC ? AOUT_LDPGSZ : \
75	 FREEBSD_N_GETMAGIC(ex) == QMAGIC ? 0 : sizeof(struct exec))
76
77/* Data segment offset. */
78#define	FREEBSD_N_DATOFF(ex) \
79	FREEBSD_N_ALIGN(ex, FREEBSD_N_TXTOFF(ex) + (ex).a_text)
80
81/* Relocation table offset. */
82#define FREEBSD_N_RELOFF(ex) \
83	FREEBSD_N_ALIGN(ex, FREEBSD_N_DATOFF(ex) + (ex).a_data)
84
85/* Symbol table offset. */
86#define FREEBSD_N_SYMOFF(ex) \
87	(FREEBSD_N_RELOFF(ex) + (ex).a_trsize + (ex).a_drsize)
88
89/* String table offset. */
90#define	FREEBSD_N_STROFF(ex) 	(FREEBSD_N_SYMOFF(ex) + (ex).a_syms)
91
92#define	FREEBSD_AOUT_HDR_SIZE	sizeof(struct exec)
93
94int exec_freebsd_aout_makecmds(struct lwp *, struct exec_package *);
95
96#endif /* EXEC_AOUT */
97
98#ifdef EXEC_ELF32
99#define FREEBSD_ELF_BRAND_STRING "FreeBSD"
100#define FREEBSD_ELF_INTERP_PREFIX_STRING "/usr/libexec/ld-elf.so"
101
102int freebsd_elf32_probe(struct lwp *, struct exec_package *, void *,
103    char *, vaddr_t *);
104#endif /* EXEC_ELF32 */
105
106void freebsd_setregs(struct lwp *, struct exec_package *, vaddr_t);
107
108extern char freebsd_sigcode[], freebsd_esigcode[];
109extern struct emul emul_freebsd;
110
111#endif /* !_FREEBSD_EXEC_H */
112