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 * from: imgact_aout.h,v 1.2 1994/12/30 08:06:19 bde Exp 35 */ 36 37 #ifndef _FREEBSD_EXEC_H 38 #define _FREEBSD_EXEC_H 39 40 #define FREEBSD_N_GETMAGIC(ex) \ 41 ( (ex).a_midmag & 0xffff ) 42 #define FREEBSD_N_GETMID(ex) \ 43 ( ((ex).a_midmag >> 16) & 0x03ff ) 44 #define FREEBSD_N_GETFLAG(ex) \ 45 ( ((ex).a_midmag >> 26) & 0x3f ) 46 #define FREEBSD_N_SETMAGIC(ex,mag,mid,flag) \ 47 ( (ex).a_midmag = (((flag) & 0x3f) <<26) | (((mid) & 0x03ff) << 16) | \ 48 ((mag) & 0xffff) ) 49 50 #define FREEBSD_N_ALIGN(ex,x) \ 51 (FREEBSD_N_GETMAGIC(ex) == ZMAGIC || \ 52 FREEBSD_N_GETMAGIC(ex) == QMAGIC ? \ 53 ((x) + FREEBSD___LDPGSZ - 1) & \ 54 ~(unsigned long)(FREEBSD___LDPGSZ - 1) : (x)) 55 56 /* Valid magic number check. */ 57 #define FREEBSD_N_BADMAG(ex) \ 58 (FREEBSD_N_GETMAGIC(ex) != OMAGIC && \ 59 FREEBSD_N_GETMAGIC(ex) != NMAGIC && \ 60 FREEBSD_N_GETMAGIC(ex) != ZMAGIC && \ 61 FREEBSD_N_GETMAGIC(ex) != QMAGIC) 62 63 /* Address of the bottom of the text segment. */ 64 #define FREEBSD_N_TXTADDR(ex) \ 65 ((FREEBSD_N_GETMAGIC(ex) == OMAGIC || \ 66 FREEBSD_N_GETMAGIC(ex) == NMAGIC || \ 67 FREEBSD_N_GETMAGIC(ex) == ZMAGIC) ? 0 : __LDPGSZ) 68 69 /* Address of the bottom of the data segment. */ 70 #define FREEBSD_N_DATADDR(ex) \ 71 FREEBSD_N_ALIGN(ex, FREEBSD_N_TXTADDR(ex) + (ex).a_text) 72 73 /* Text segment offset. */ 74 #define FREEBSD_N_TXTOFF(ex) \ 75 (FREEBSD_N_GETMAGIC(ex) == ZMAGIC ? __LDPGSZ : \ 76 FREEBSD_N_GETMAGIC(ex) == QMAGIC ? 0 : sizeof(struct exec)) 77 78 /* Data segment offset. */ 79 #define FREEBSD_N_DATOFF(ex) \ 80 FREEBSD_N_ALIGN(ex, FREEBSD_N_TXTOFF(ex) + (ex).a_text) 81 82 /* Relocation table offset. */ 83 #define FREEBSD_N_RELOFF(ex) \ 84 FREEBSD_N_ALIGN(ex, FREEBSD_N_DATOFF(ex) + (ex).a_data) 85 86 /* Symbol table offset. */ 87 #define FREEBSD_N_SYMOFF(ex) \ 88 (FREEBSD_N_RELOFF(ex) + (ex).a_trsize + (ex).a_drsize) 89 90 /* String table offset. */ 91 #define FREEBSD_N_STROFF(ex) (FREEBSD_N_SYMOFF(ex) + (ex).a_syms) 92 93 #define FREEBSD_AOUT_HDR_SIZE sizeof(struct exec) 94 95 int exec_freebsd_aout_makecmds __P((struct proc *, struct exec_package *)); 96 97 extern char freebsd_sigcode[], freebsd_esigcode[]; 98 99 #endif /* !_FREEBSD_EXEC_H */ 100