1 /* $NetBSD: freebsd_exec.h,v 1.17 2009/12/10 14:13:53 matt 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 #ifdef EXEC_AOUT 39 #define FREEBSD_N_GETMAGIC(ex) \ 40 ( (ex).a_midmag & 0xffff ) 41 #define FREEBSD_N_GETMID(ex) \ 42 ( ((ex).a_midmag >> 16) & 0x03ff ) 43 #define FREEBSD_N_GETFLAG(ex) \ 44 ( ((ex).a_midmag >> 26) & 0x3f ) 45 #define FREEBSD_N_SETMAGIC(ex,mag,mid,flag) \ 46 ( (ex).a_midmag = (((flag) & 0x3f) <<26) | (((mid) & 0x03ff) << 16) | \ 47 ((mag) & 0xffff) ) 48 49 #define FREEBSD_N_ALIGN(ex,x) \ 50 (FREEBSD_N_GETMAGIC(ex) == ZMAGIC || \ 51 FREEBSD_N_GETMAGIC(ex) == QMAGIC ? \ 52 ((x) + FREEBSD___LDPGSZ - 1) & \ 53 ~(unsigned long)(FREEBSD___LDPGSZ - 1) : (x)) 54 55 /* Valid magic number check. */ 56 #define FREEBSD_N_BADMAG(ex) \ 57 (FREEBSD_N_GETMAGIC(ex) != OMAGIC && \ 58 FREEBSD_N_GETMAGIC(ex) != NMAGIC && \ 59 FREEBSD_N_GETMAGIC(ex) != ZMAGIC && \ 60 FREEBSD_N_GETMAGIC(ex) != QMAGIC) 61 62 /* Address of the bottom of the text segment. */ 63 #define FREEBSD_N_TXTADDR(ex) \ 64 ((FREEBSD_N_GETMAGIC(ex) == OMAGIC || \ 65 FREEBSD_N_GETMAGIC(ex) == NMAGIC || \ 66 FREEBSD_N_GETMAGIC(ex) == ZMAGIC) ? 0 : AOUT_LDPGSZ) 67 68 /* Address of the bottom of the data segment. */ 69 #define FREEBSD_N_DATADDR(ex) \ 70 FREEBSD_N_ALIGN(ex, FREEBSD_N_TXTADDR(ex) + (ex).a_text) 71 72 /* Text segment offset. */ 73 #define FREEBSD_N_TXTOFF(ex) \ 74 (FREEBSD_N_GETMAGIC(ex) == ZMAGIC ? AOUT_LDPGSZ : \ 75 FREEBSD_N_GETMAGIC(ex) == QMAGIC ? 0 : sizeof(struct exec)) 76 77 /* Data segment offset. */ 78 #define FREEBSD_N_DATOFF(ex) \ 79 FREEBSD_N_ALIGN(ex, FREEBSD_N_TXTOFF(ex) + (ex).a_text) 80 81 /* Relocation table offset. */ 82 #define FREEBSD_N_RELOFF(ex) \ 83 FREEBSD_N_ALIGN(ex, FREEBSD_N_DATOFF(ex) + (ex).a_data) 84 85 /* Symbol table offset. */ 86 #define FREEBSD_N_SYMOFF(ex) \ 87 (FREEBSD_N_RELOFF(ex) + (ex).a_trsize + (ex).a_drsize) 88 89 /* String table offset. */ 90 #define FREEBSD_N_STROFF(ex) (FREEBSD_N_SYMOFF(ex) + (ex).a_syms) 91 92 #define FREEBSD_AOUT_HDR_SIZE sizeof(struct exec) 93 94 int exec_freebsd_aout_makecmds(struct lwp *, struct exec_package *); 95 96 #endif /* EXEC_AOUT */ 97 98 #ifdef EXEC_ELF32 99 #define FREEBSD_ELF_BRAND_STRING "FreeBSD" 100 #define FREEBSD_ELF_INTERP_PREFIX_STRING "/usr/libexec/ld-elf.so" 101 102 int freebsd_elf32_probe(struct lwp *, struct exec_package *, void *, 103 char *, vaddr_t *); 104 #endif /* EXEC_ELF32 */ 105 106 void freebsd_setregs(struct lwp *, struct exec_package *, vaddr_t); 107 108 extern char freebsd_sigcode[], freebsd_esigcode[]; 109 extern struct emul emul_freebsd; 110 111 #endif /* !_FREEBSD_EXEC_H */ 112