AMD64 - Fix native-built sys/boot install
[dragonfly.git] / sys / sys / imgact_aout.h
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1/*-
2 * Copyright (c) 1992, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * from: @(#)exec.h 8.1 (Berkeley) 6/11/93
34 * $FreeBSD: src/sys/sys/imgact_aout.h,v 1.13 1999/12/29 04:24:41 peter Exp $
1e2d97fb 35 * $DragonFly: src/sys/sys/imgact_aout.h,v 1.6 2007/02/03 09:56:04 y0netan1 Exp $
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36 */
37
38#ifndef _IMGACT_AOUT_H_
39#define _IMGACT_AOUT_H_
40
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41#ifndef _SYS_TYPES_H_
42#include <sys/types.h>
43#endif
44
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45#define N_GETMAGIC(ex) \
46 ( (ex).a_midmag & 0xffff )
47#define N_GETMID(ex) \
48 ( (N_GETMAGIC_NET(ex) == ZMAGIC) ? N_GETMID_NET(ex) : \
49 ((ex).a_midmag >> 16) & 0x03ff )
50#define N_GETFLAG(ex) \
51 ( (N_GETMAGIC_NET(ex) == ZMAGIC) ? N_GETFLAG_NET(ex) : \
52 ((ex).a_midmag >> 26) & 0x3f )
53#define N_SETMAGIC(ex,mag,mid,flag) \
54 ( (ex).a_midmag = (((flag) & 0x3f) <<26) | (((mid) & 0x03ff) << 16) | \
55 ((mag) & 0xffff) )
56
57#define N_GETMAGIC_NET(ex) \
58 (ntohl((ex).a_midmag) & 0xffff)
59#define N_GETMID_NET(ex) \
60 ((ntohl((ex).a_midmag) >> 16) & 0x03ff)
61#define N_GETFLAG_NET(ex) \
62 ((ntohl((ex).a_midmag) >> 26) & 0x3f)
63#define N_SETMAGIC_NET(ex,mag,mid,flag) \
64 ( (ex).a_midmag = htonl( (((flag)&0x3f)<<26) | (((mid)&0x03ff)<<16) | \
65 (((mag)&0xffff)) ) )
66
67#define N_ALIGN(ex,x) \
68 (N_GETMAGIC(ex) == ZMAGIC || N_GETMAGIC(ex) == QMAGIC || \
69 N_GETMAGIC_NET(ex) == ZMAGIC || N_GETMAGIC_NET(ex) == QMAGIC ? \
70 ((x) + __LDPGSZ - 1) & ~(unsigned long)(__LDPGSZ - 1) : (x))
71
72/* Valid magic number check. */
73#define N_BADMAG(ex) \
74 (N_GETMAGIC(ex) != OMAGIC && N_GETMAGIC(ex) != NMAGIC && \
75 N_GETMAGIC(ex) != ZMAGIC && N_GETMAGIC(ex) != QMAGIC && \
76 N_GETMAGIC_NET(ex) != OMAGIC && N_GETMAGIC_NET(ex) != NMAGIC && \
77 N_GETMAGIC_NET(ex) != ZMAGIC && N_GETMAGIC_NET(ex) != QMAGIC)
78
79
80/* Address of the bottom of the text segment. */
81/*
82 * This can not be done right. Abuse a_entry in some cases to handle kernels.
83 */
84#define N_TXTADDR(ex) \
85 ((N_GETMAGIC(ex) == OMAGIC || N_GETMAGIC(ex) == NMAGIC || \
86 N_GETMAGIC(ex) == ZMAGIC) ? \
87 ((ex).a_entry < (ex).a_text ? 0 : (ex).a_entry & ~__LDPGSZ) : __LDPGSZ)
88
89/* Address of the bottom of the data segment. */
90#define N_DATADDR(ex) \
91 N_ALIGN(ex, N_TXTADDR(ex) + (ex).a_text)
92
93/* Text segment offset. */
94#define N_TXTOFF(ex) \
95 (N_GETMAGIC(ex) == ZMAGIC ? __LDPGSZ : (N_GETMAGIC(ex) == QMAGIC || \
96 N_GETMAGIC_NET(ex) == ZMAGIC) ? 0 : sizeof(struct exec))
97
98/* Data segment offset. */
99#define N_DATOFF(ex) \
100 N_ALIGN(ex, N_TXTOFF(ex) + (ex).a_text)
101
102/* Relocation table offset. */
103#define N_RELOFF(ex) \
104 N_ALIGN(ex, N_DATOFF(ex) + (ex).a_data)
105
106/* Symbol table offset. */
107#define N_SYMOFF(ex) \
108 (N_RELOFF(ex) + (ex).a_trsize + (ex).a_drsize)
109
110/* String table offset. */
111#define N_STROFF(ex) (N_SYMOFF(ex) + (ex).a_syms)
112
113/*
114 * Header prepended to each a.out file.
115 * only manipulate the a_midmag field via the
116 * N_SETMAGIC/N_GET{MAGIC,MID,FLAG} macros in a.out.h
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117 *
118 * AOUT_H_FORCE32 is used by btxld and sys/boot when compiling
119 * from a 64 bit environment to generate a 32 bit a.out.h header.
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120 */
121
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122#ifdef AOUT_H_FORCE32
123typedef u_int32_t aout_register_t;
124#else
125typedef unsigned long aout_register_t;
126#endif
127
984263bc 128struct exec {
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129 aout_register_t a_midmag; /* flags<<26 | mid<<16 | magic */
130 aout_register_t a_text; /* text segment size */
131 aout_register_t a_data; /* initialized data size */
132 aout_register_t a_bss; /* uninitialized data size */
133 aout_register_t a_syms; /* symbol table size */
134 aout_register_t a_entry; /* entry point */
135 aout_register_t a_trsize; /* text relocation size */
136 aout_register_t a_drsize; /* data relocation size */
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137};
138#define a_magic a_midmag /* XXX Hack to work with current kern_execve.c */
139
140/* a_magic */
141#define OMAGIC 0407 /* old impure format */
142#define NMAGIC 0410 /* read-only text */
143#define ZMAGIC 0413 /* demand load format */
144#define QMAGIC 0314 /* "compact" demand load format */
145
146/* a_mid */
147#define MID_ZERO 0 /* unknown - implementation dependent */
148#define MID_SUN010 1 /* sun 68010/68020 binary */
149#define MID_SUN020 2 /* sun 68020-only binary */
150#define MID_I386 134 /* i386 BSD binary */
151#define MID_SPARC 138 /* sparc */
152#define MID_HP200 200 /* hp200 (68010) BSD binary */
153#define MID_HP300 300 /* hp300 (68020+68881) BSD binary */
154#define MID_HPUX 0x20C /* hp200/300 HP-UX binary */
155#define MID_HPUX800 0x20B /* hp800 HP-UX binary */
156
157/*
158 * a_flags
159 */
160#define EX_PIC 0x10 /* contains position independent code */
161#define EX_DYNAMIC 0x20 /* contains run-time link-edit info */
162#define EX_DPMASK 0x30 /* mask for the above */
163
164#ifdef _KERNEL
165struct proc;
65d477cc 166struct vnode;
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167#endif
168
169#endif /* !_IMGACT_AOUT_H_ */