2 * Copyright (c) 1992, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
33 * @(#)exec.h 8.1 (Berkeley) 6/10/93
36 /* note: this file normally goes in the machine-specific dir and is included
37 * from the generic file, hence doesn't normally have multi include protection
45 /* Size of a page in an object file. */
46 #define x___LDPGSZ 4096
48 /* Valid magic number check. */
49 #define x_N_BADMAG(x_ex) \
50 ((x_ex).x_a_magic != x_NMAGIC && (x_ex).x_a_magic != x_OMAGIC && \
51 (x_ex).x_a_magic != x_ZMAGIC)
53 /* Address of the bottom of the text segment. */
54 #define x_N_TXTADDR(x_X) 0
56 /* Address of the bottom of the data segment. */
57 #define x_N_DATADDR(x_ex) \
58 (x_N_TXTADDR(x_ex) + ((x_ex).x_a_magic == x_OMAGIC ? (x_ex).x_a_text \
59 : x___LDPGSZ + ((x_ex).x_a_text - 1 & ~(x___LDPGSZ - 1))))
61 /* Text segment offset. */
62 #define x_N_TXTOFF(x_ex) \
63 ((x_ex).x_a_magic == x_ZMAGIC ? x___LDPGSZ : sizeof(struct x_exec))
65 /* Data segment offset. */
66 #define x_N_DATOFF(x_ex) \
67 (x_N_TXTOFF(x_ex) + ((x_ex).x_a_magic != x_ZMAGIC ? (x_ex).x_a_text : \
68 x___LDPGSZ + ((x_ex).x_a_text - 1 & ~(x___LDPGSZ - 1))))
70 /* Symbol table offset. */
71 #define x_N_SYMOFF(x_ex) \
72 (x_N_TXTOFF(x_ex) + (x_ex).x_a_text + (x_ex).x_a_data + (x_ex).x_a_trsize + \
75 /* String table offset. */
76 #define x_N_STROFF(x_ex) (x_N_SYMOFF(x_ex) + (x_ex).x_a_syms)
78 /* Description of the object file header (a.out format). */
80 #if __BYTE_ORDER == __LITTLE_ENDIAN
81 x_u_long x_a_drsize; /* data relocation size */
82 x_u_long x_a_trsize; /* text relocation size */
83 x_u_long x_a_entry; /* entry point */
84 x_u_long x_a_syms; /* symbol table size */
85 x_u_long x_a_bss; /* uninitialized data size */
86 x_u_long x_a_data; /* initialized data size */
87 x_u_long x_a_text; /* text segment size */
89 x_u_short x_a_magic; /* magic number */
90 #define x_ZMAGIC 0413 /* demand load format */
91 #define x_NMAGIC 0410 /* read-only text */
92 #define x_OMAGIC 0407 /* old impure format */
94 x_u_short x_a_mid; /* machine ID */
95 #define x_MID_HPUX800 0x20B /* hp800 HP-UX binary */
96 #define x_MID_HPUX 0x20C /* hp200/300 HP-UX binary */
97 #define x_MID_HP300 300 /* hp300 (68020+68881) BSD binary */
98 #define x_MID_HP200 200 /* hp200 (68010) BSD binary */
99 #define x_MID_SUN_SPARC 3 /* sparc binary */
100 #define x_MID_SUN020 2 /* sun 68020-only binary */
101 #define x_MID_SUN010 1 /* sun 68010/68020 binary */
102 #define x_MID_ZERO 0 /* unknown - implementation dependent */
104 #define x_MID_ZERO 0 /* unknown - implementation dependent */
105 #define x_MID_SUN010 1 /* sun 68010/68020 binary */
106 #define x_MID_SUN020 2 /* sun 68020-only binary */
107 #define x_MID_SUN_SPARC 3 /* sparc binary */
108 #define x_MID_HP200 200 /* hp200 (68010) BSD binary */
109 #define x_MID_HP300 300 /* hp300 (68020+68881) BSD binary */
110 #define x_MID_HPUX 0x20C /* hp200/300 HP-UX binary */
111 #define x_MID_HPUX800 0x20B /* hp800 HP-UX binary */
112 x_u_short x_a_mid; /* machine ID */
114 #define x_OMAGIC 0407 /* old impure format */
115 #define x_NMAGIC 0410 /* read-only text */
116 #define x_ZMAGIC 0413 /* demand load format */
117 x_u_short x_a_magic; /* magic number */
119 x_u_long x_a_text; /* text segment size */
120 x_u_long x_a_data; /* initialized data size */
121 x_u_long x_a_bss; /* uninitialized data size */
122 x_u_long x_a_syms; /* symbol table size */
123 x_u_long x_a_entry; /* entry point */
124 x_u_long x_a_trsize; /* text relocation size */
125 x_u_long x_a_drsize; /* data relocation size */
128 #define x_a_machtype x_a_mid /* SUN compatibility */