1 /* $NetBSD: freebsd_exec.h,v 1.6 2000/11/21 00:37:53 jdolecek 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. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * from: @(#)exec.h 8.1 (Berkeley) 6/11/93 36 * from: imgact_aout.h,v 1.2 1994/12/30 08:06:19 bde Exp 37 */ 38 39 #ifndef _FREEBSD_EXEC_H 40 #define _FREEBSD_EXEC_H 41 42 #ifdef EXEC_AOUT 43 #define FREEBSD_N_GETMAGIC(ex) \ 44 ( (ex).a_midmag & 0xffff ) 45 #define FREEBSD_N_GETMID(ex) \ 46 ( ((ex).a_midmag >> 16) & 0x03ff ) 47 #define FREEBSD_N_GETFLAG(ex) \ 48 ( ((ex).a_midmag >> 26) & 0x3f ) 49 #define FREEBSD_N_SETMAGIC(ex,mag,mid,flag) \ 50 ( (ex).a_midmag = (((flag) & 0x3f) <<26) | (((mid) & 0x03ff) << 16) | \ 51 ((mag) & 0xffff) ) 52 53 #define FREEBSD_N_ALIGN(ex,x) \ 54 (FREEBSD_N_GETMAGIC(ex) == ZMAGIC || \ 55 FREEBSD_N_GETMAGIC(ex) == QMAGIC ? \ 56 ((x) + FREEBSD___LDPGSZ - 1) & \ 57 ~(unsigned long)(FREEBSD___LDPGSZ - 1) : (x)) 58 59 /* Valid magic number check. */ 60 #define FREEBSD_N_BADMAG(ex) \ 61 (FREEBSD_N_GETMAGIC(ex) != OMAGIC && \ 62 FREEBSD_N_GETMAGIC(ex) != NMAGIC && \ 63 FREEBSD_N_GETMAGIC(ex) != ZMAGIC && \ 64 FREEBSD_N_GETMAGIC(ex) != QMAGIC) 65 66 /* Address of the bottom of the text segment. */ 67 #define FREEBSD_N_TXTADDR(ex) \ 68 ((FREEBSD_N_GETMAGIC(ex) == OMAGIC || \ 69 FREEBSD_N_GETMAGIC(ex) == NMAGIC || \ 70 FREEBSD_N_GETMAGIC(ex) == ZMAGIC) ? 0 : __LDPGSZ) 71 72 /* Address of the bottom of the data segment. */ 73 #define FREEBSD_N_DATADDR(ex) \ 74 FREEBSD_N_ALIGN(ex, FREEBSD_N_TXTADDR(ex) + (ex).a_text) 75 76 /* Text segment offset. */ 77 #define FREEBSD_N_TXTOFF(ex) \ 78 (FREEBSD_N_GETMAGIC(ex) == ZMAGIC ? __LDPGSZ : \ 79 FREEBSD_N_GETMAGIC(ex) == QMAGIC ? 0 : sizeof(struct exec)) 80 81 /* Data segment offset. */ 82 #define FREEBSD_N_DATOFF(ex) \ 83 FREEBSD_N_ALIGN(ex, FREEBSD_N_TXTOFF(ex) + (ex).a_text) 84 85 /* Relocation table offset. */ 86 #define FREEBSD_N_RELOFF(ex) \ 87 FREEBSD_N_ALIGN(ex, FREEBSD_N_DATOFF(ex) + (ex).a_data) 88 89 /* Symbol table offset. */ 90 #define FREEBSD_N_SYMOFF(ex) \ 91 (FREEBSD_N_RELOFF(ex) + (ex).a_trsize + (ex).a_drsize) 92 93 /* String table offset. */ 94 #define FREEBSD_N_STROFF(ex) (FREEBSD_N_SYMOFF(ex) + (ex).a_syms) 95 96 #define FREEBSD_AOUT_HDR_SIZE sizeof(struct exec) 97 98 int exec_freebsd_aout_makecmds __P((struct proc *, struct exec_package *)); 99 100 #endif /* EXEC_AOUT */ 101 102 #ifdef EXEC_ELF32 103 #define FREEBSD_ELF_AUX_ARGSIZ howmany(sizeof(Aux32Info) * 8, sizeof(char *)) 104 105 #define FREEBSD_ELF_BRAND_STRING "FreeBSD" 106 #define FREEBSD_ELF_INTERP_PREFIX_STRING "/usr/libexec/ld-elf.so" 107 108 int freebsd_elf32_probe __P((struct proc *, struct exec_package *, void *, 109 char *, vaddr_t *)); 110 #endif /* EXEC_ELF32 */ 111 112 void freebsd_setregs __P((struct proc *, struct exec_package *, u_long)); 113 114 extern char freebsd_sigcode[], freebsd_esigcode[]; 115 extern const struct emul emul_freebsd; 116 117 #endif /* !_FREEBSD_EXEC_H */ 118