/* * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * The contents of this file constitute Original Code as defined in and * are subject to the Apple Public Source License Version 1.1 (the * "License"). You may not use this file except in compliance with the * License. Please obtain a copy of the License at * http://www.apple.com/publicsource and read it before using this file. * * This Original Code and all software distributed under the License are * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_LICENSE_HEADER_END@ */ /*- * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)exec.h 8.1 (Berkeley) 6/11/93 */ #ifndef _BSD_I386_EXEC_H_ #define _BSD_I386_EXEC_H_ #include <sys/appleapiopts.h> #ifdef __APPLE_API_OBSOLETE /* Size of a page in an object file. */ #define __LDPGSZ 4096 /* Valid magic number check. */ #define N_BADMAG(ex) \ ((ex).a_magic != NMAGIC && (ex).a_magic != OMAGIC && \ (ex).a_magic != ZMAGIC) /* Address of the bottom of the text segment. */ #define N_TXTADDR(X) 0 /* Address of the bottom of the data segment. */ #define N_DATADDR(ex) \ (N_TXTADDR(ex) + ((ex).a_magic == OMAGIC ? (ex).a_text \ : __LDPGSZ + ((ex).a_text - 1 & ~(__LDPGSZ - 1)))) /* Text segment offset. */ #define N_TXTOFF(ex) \ ((ex).a_magic == ZMAGIC ? __LDPGSZ : sizeof(struct exec)) /* Data segment offset. */ #define N_DATOFF(ex) \ (N_TXTOFF(ex) + ((ex).a_magic != ZMAGIC ? (ex).a_text : \ __LDPGSZ + ((ex).a_text - 1 & ~(__LDPGSZ - 1)))) /* Symbol table offset. */ #define N_SYMOFF(ex) \ (N_TXTOFF(ex) + (ex).a_text + (ex).a_data + (ex).a_trsize + \ (ex).a_drsize) /* String table offset. */ #define N_STROFF(ex) (N_SYMOFF(ex) + (ex).a_syms) /* Description of the object file header (a.out format). */ struct exec { #define OMAGIC 0407 /* old impure format */ #define NMAGIC 0410 /* read-only text */ #define ZMAGIC 0413 /* demand load format */ #define QMAGIC 0314 /* demand load format. Header in text. */ unsigned int a_magic; /* magic number */ unsigned int a_text; /* text segment size */ unsigned int a_data; /* initialized data size */ unsigned int a_bss; /* uninitialized data size */ unsigned int a_syms; /* symbol table size */ unsigned int a_entry; /* entry point */ unsigned int a_trsize; /* text relocation size */ unsigned int a_drsize; /* data relocation size */ }; /* * Address of ps_strings structure (in user space). */ #define PS_STRINGS \ ((struct ps_strings *)(USRSTACK - sizeof(struct ps_strings))) #endif /* __APPLE_API_OBSOLETE */ #endif /* _BSD_I386_EXEC_H_ */