Annotation of sys/compat/freebsd/freebsd_exec.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: freebsd_exec.h,v 1.7 2004/04/15 00:22:42 tedu 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: #define FREEBSD_N_GETMAGIC(ex) \
39: ( (ex).a_midmag & 0xffff )
40: #define FREEBSD_N_GETMID(ex) \
41: ( ((ex).a_midmag >> 16) & 0x03ff )
42: #define FREEBSD_N_GETFLAG(ex) \
43: ( ((ex).a_midmag >> 26) & 0x3f )
44: #define FREEBSD_N_SETMAGIC(ex,mag,mid,flag) \
45: ( (ex).a_midmag = (((flag) & 0x3f) <<26) | (((mid) & 0x03ff) << 16) | \
46: ((mag) & 0xffff) )
47:
48: #define FREEBSD_N_ALIGN(ex,x) \
49: (FREEBSD_N_GETMAGIC(ex) == ZMAGIC || \
50: FREEBSD_N_GETMAGIC(ex) == QMAGIC ? \
51: ((x) + FREEBSD___LDPGSZ - 1) & \
52: ~(unsigned long)(FREEBSD___LDPGSZ - 1) : (x))
53:
54: /* Valid magic number check. */
55: #define FREEBSD_N_BADMAG(ex) \
56: (FREEBSD_N_GETMAGIC(ex) != OMAGIC && \
57: FREEBSD_N_GETMAGIC(ex) != NMAGIC && \
58: FREEBSD_N_GETMAGIC(ex) != ZMAGIC && \
59: FREEBSD_N_GETMAGIC(ex) != QMAGIC)
60:
61: /* Address of the bottom of the text segment. */
62: #define FREEBSD_N_TXTADDR(ex) \
63: ((FREEBSD_N_GETMAGIC(ex) == OMAGIC || \
64: FREEBSD_N_GETMAGIC(ex) == NMAGIC || \
65: FREEBSD_N_GETMAGIC(ex) == ZMAGIC) ? 0 : __LDPGSZ)
66:
67: /* Address of the bottom of the data segment. */
68: #define FREEBSD_N_DATADDR(ex) \
69: FREEBSD_N_ALIGN(ex, FREEBSD_N_TXTADDR(ex) + (ex).a_text)
70:
71: /* Text segment offset. */
72: #define FREEBSD_N_TXTOFF(ex) \
73: (FREEBSD_N_GETMAGIC(ex) == ZMAGIC ? __LDPGSZ : \
74: FREEBSD_N_GETMAGIC(ex) == QMAGIC ? 0 : sizeof(struct exec))
75:
76: /* Data segment offset. */
77: #define FREEBSD_N_DATOFF(ex) \
78: FREEBSD_N_ALIGN(ex, FREEBSD_N_TXTOFF(ex) + (ex).a_text)
79:
80: /* Relocation table offset. */
81: #define FREEBSD_N_RELOFF(ex) \
82: FREEBSD_N_ALIGN(ex, FREEBSD_N_DATOFF(ex) + (ex).a_data)
83:
84: /* Symbol table offset. */
85: #define FREEBSD_N_SYMOFF(ex) \
86: (FREEBSD_N_RELOFF(ex) + (ex).a_trsize + (ex).a_drsize)
87:
88: /* String table offset. */
89: #define FREEBSD_N_STROFF(ex) (FREEBSD_N_SYMOFF(ex) + (ex).a_syms)
90:
91: #define FREEBSD_ELF_AUX_ARGSIZ (sizeof(AuxInfo) * 15 / sizeof(char *))
92:
93: #define FREEBSD_AOUT_HDR_SIZE sizeof(struct exec)
94:
95: int exec_freebsd_aout_makecmds(struct proc *, struct exec_package *);
96: int exec_freebsd_elf32_makecmds(struct proc *, struct exec_package *);
97: int freebsd_elf_probe(struct proc *, struct exec_package *, char *,
98: u_long *, u_int8_t *);
99:
100: extern char freebsd_sigcode[], freebsd_esigcode[];
101:
102: #endif /* !_FREEBSD_EXEC_H */
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