1 /** $MirOS: src/sys/arch/i386/include/exec.h,v 1.6 2008/11/17 01:11:42 tg Exp $ */ 2 /* $OpenBSD: exec.h,v 1.9 2003/04/17 03:42:14 drahn Exp $ */ 3 /* $NetBSD: exec.h,v 1.6 1994/10/27 04:16:05 cgd Exp $ */ 4 5 /* 6 * Copyright (c) 1993 Christopher G. Demetriou 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _I386_EXEC_H_ 33 #define _I386_EXEC_H_ 34 35 #define __LDPGSZ 4096 36 37 /* Relocation format for a.out. */ 38 #ifndef __ELF__ 39 struct relocation_info_i386 { 40 int r_address; /* offset in text or data segment */ 41 unsigned int r_symbolnum : 24, /* ordinal number of add symbol */ 42 r_pcrel : 1, /* 1 if value should be pc-relative */ 43 r_length : 2, /* log base 2 of value's width */ 44 r_extern : 1, /* 1 if need to add symbol to value */ 45 r_baserel : 1, /* linkage table relative */ 46 r_jmptable : 1, /* relocate to jump table */ 47 r_relative : 1, /* load address relative */ 48 r_copy : 1; /* run time copy */ 49 }; 50 #define relocation_info relocation_info_i386 51 #endif 52 53 #define NATIVE_EXEC_ELF 54 55 #define ARCH_ELFSIZE 32 56 57 #define ELF_TARG_CLASS ELFCLASS32 58 #define ELF_TARG_DATA ELFDATA2LSB 59 #define ELF_TARG_MACH EM_386 /* XXX - EM_486 is currently unused 60 by all OSs/compilers/linkers */ 61 62 #define _NLIST_DO_ELF 63 #define _KERN_DO_ELF 64 65 #ifndef SMALL_KERNEL 66 #define _NLIST_DO_AOUT 67 #define _KERN_DO_AOUT 68 #define _KERN_DO_ECOFF /* for ports/plan9/kencc */ 69 #endif 70 71 #endif /* _I386_EXEC_H_ */ 72