1 /* $OpenBSD: exec.h,v 1.8 2001/01/22 14:51:04 art Exp $ */ 2 /* $NetBSD: exec.h,v 1.6 1994/10/27 04:16:05 cgd Exp $ */ 3 4 /* 5 * Copyright (c) 1993 Christopher G. Demetriou 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. The name of the author may not be used to endorse or promote products 17 * derived from this software without specific prior written permission 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef _I386_EXEC_H_ 32 #define _I386_EXEC_H_ 33 34 #define __LDPGSZ 4096 35 36 /* Relocation format. */ 37 struct relocation_info_i386 { 38 int r_address; /* offset in text or data segment */ 39 unsigned int r_symbolnum : 24, /* ordinal number of add symbol */ 40 r_pcrel : 1, /* 1 if value should be pc-relative */ 41 r_length : 2, /* log base 2 of value's width */ 42 r_extern : 1, /* 1 if need to add symbol to value */ 43 r_baserel : 1, /* linkage table relative */ 44 r_jmptable : 1, /* relocate to jump table */ 45 r_relative : 1, /* load address relative */ 46 r_copy : 1; /* run time copy */ 47 }; 48 #define relocation_info relocation_info_i386 49 50 #define ARCH_ELFSIZE 32 51 52 #define ELF_TARG_CLASS ELFCLASS32 53 #define ELF_TARG_DATA ELFDATA2LSB 54 #define ELF_TARG_MACH EM_386 /* XXX - EM_486 is currently unused 55 by all OSs/compilers/linkers */ 56 57 #define _NLIST_DO_AOUT 58 #define _NLIST_DO_ELF 59 60 #define _KERN_DO_AOUT 61 #if defined(COMPAT_LINUX) || defined(COMPAT_SVR4) || defined(COMPAT_FREEBSD) || \ 62 !defined(_KERNEL) 63 #define _KERN_DO_ELF 64 #endif 65 66 #endif /* _I386_EXEC_H_ */ 67