| exec.h (1977) | exec.h (3058) |
|---|---|
| 1/*- 2 * Copyright (c) 1992, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 17 unchanged lines hidden (view full) --- 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)exec.h 8.1 (Berkeley) 6/11/93 | 1/*- 2 * Copyright (c) 1992, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 17 unchanged lines hidden (view full) --- 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)exec.h 8.1 (Berkeley) 6/11/93 |
| 34 * $Id: exec.h,v 1.3 1994/08/02 07:38:45 davidg Exp $ | 34 * $Id: exec.h,v 1.4 1994/08/09 14:39:56 jkh Exp $ |
| 35 */ 36 37#ifndef _EXEC_H_ 38#define _EXEC_H_ 39 | 35 */ 36 37#ifndef _EXEC_H_ 38#define _EXEC_H_ 39 |
| 40#if defined(hp300) || defined(i386) 41#define __LDPGSZ 4096 42#endif 43#if defined(tahoe) || defined(vax) 44#define __LDPGSZ 1024 45#endif | 40#define __LDPGSZ 4096 |
| 46 | 41 |
| 47#define N_GETMAGIC(ex) \ 48 ( (ex).a_midmag & 0xffff ) 49#define N_GETMID(ex) \ 50 ( (N_GETMAGIC_NET(ex) == ZMAGIC) ? N_GETMID_NET(ex) : \ 51 ((ex).a_midmag >> 16) & 0x03ff ) 52#define N_GETFLAG(ex) \ 53 ( (N_GETMAGIC_NET(ex) == ZMAGIC) ? N_GETFLAG_NET(ex) : \ 54 ((ex).a_midmag >> 26) & 0x3f ) 55#define N_SETMAGIC(ex,mag,mid,flag) \ 56 ( (ex).a_midmag = (((flag) & 0x3f) <<26) | (((mid) & 0x03ff) << 16) | \ 57 ((mag) & 0xffff) ) 58 59#define N_GETMAGIC_NET(ex) \ 60 (ntohl((ex).a_midmag) & 0xffff) 61#define N_GETMID_NET(ex) \ 62 ((ntohl((ex).a_midmag) >> 16) & 0x03ff) 63#define N_GETFLAG_NET(ex) \ 64 ((ntohl((ex).a_midmag) >> 26) & 0x3f) 65#define N_SETMAGIC_NET(ex,mag,mid,flag) \ 66 ( (ex).a_midmag = htonl( (((flag)&0x3f)<<26) | (((mid)&0x03ff)<<16) | \ 67 (((mag)&0xffff)) ) ) 68 69#define N_ALIGN(ex,x) \ 70 (N_GETMAGIC(ex) == ZMAGIC || N_GETMAGIC(ex) == QMAGIC || \ 71 N_GETMAGIC_NET(ex) == ZMAGIC || N_GETMAGIC_NET(ex) == QMAGIC ? \ 72 ((x) + __LDPGSZ - 1) & ~(__LDPGSZ - 1) : (x)) 73 74/* Valid magic number check. */ 75#define N_BADMAG(ex) \ 76 (N_GETMAGIC(ex) != OMAGIC && N_GETMAGIC(ex) != NMAGIC && \ 77 N_GETMAGIC(ex) != ZMAGIC && N_GETMAGIC(ex) != QMAGIC && \ 78 N_GETMAGIC_NET(ex) != OMAGIC && N_GETMAGIC_NET(ex) != NMAGIC && \ 79 N_GETMAGIC_NET(ex) != ZMAGIC && N_GETMAGIC_NET(ex) != QMAGIC) 80 81 82/* Address of the bottom of the text segment. */ 83#define N_TXTADDR(ex) \ 84 ((N_GETMAGIC(ex) == OMAGIC || N_GETMAGIC(ex) == NMAGIC || \ 85 N_GETMAGIC(ex) == ZMAGIC) ? 0 : __LDPGSZ) 86 87/* Address of the bottom of the data segment. */ 88#define N_DATADDR(ex) \ 89 N_ALIGN(ex, N_TXTADDR(ex) + (ex).a_text) 90 91/* Text segment offset. */ 92#define N_TXTOFF(ex) \ 93 (N_GETMAGIC(ex) == ZMAGIC ? __LDPGSZ : (N_GETMAGIC(ex) == QMAGIC || \ 94 N_GETMAGIC_NET(ex) == ZMAGIC) ? 0 : sizeof(struct exec)) 95 96/* Data segment offset. */ 97#define N_DATOFF(ex) \ 98 N_ALIGN(ex, N_TXTOFF(ex) + (ex).a_text) 99 100/* Relocation table offset. */ 101#define N_RELOFF(ex) \ 102 N_ALIGN(ex, N_DATOFF(ex) + (ex).a_data) 103 104/* Symbol table offset. */ 105#define N_SYMOFF(ex) \ 106 (N_RELOFF(ex) + (ex).a_trsize + (ex).a_drsize) 107 108/* String table offset. */ 109#define N_STROFF(ex) (N_SYMOFF(ex) + (ex).a_syms) 110 111/* 112 * Header prepended to each a.out file. 113 * only manipulate the a_midmag field via the 114 * N_SETMAGIC/N_GET{MAGIC,MID,FLAG} macros in a.out.h 115 */ 116 117struct exec { 118 unsigned long a_midmag; /* htonl(flags<<26 | mid<<16 | magic) */ 119 unsigned long a_text; /* text segment size */ 120 unsigned long a_data; /* initialized data size */ 121 unsigned long a_bss; /* uninitialized data size */ 122 unsigned long a_syms; /* symbol table size */ 123 unsigned long a_entry; /* entry point */ 124 unsigned long a_trsize; /* text relocation size */ 125 unsigned long a_drsize; /* data relocation size */ 126}; 127#define a_magic a_midmag /* XXX Hack to work with current kern_execve.c */ 128 129/* a_magic */ 130#define OMAGIC 0407 /* old impure format */ 131#define NMAGIC 0410 /* read-only text */ 132#define ZMAGIC 0413 /* demand load format */ 133#define QMAGIC 0314 /* "compact" demand load format */ 134 135/* a_mid */ 136#define MID_ZERO 0 /* unknown - implementation dependent */ 137#define MID_SUN010 1 /* sun 68010/68020 binary */ 138#define MID_SUN020 2 /* sun 68020-only binary */ 139#define MID_I386 134 /* i386 BSD binary */ 140#define MID_HP200 200 /* hp200 (68010) BSD binary */ 141#define MID_HP300 300 /* hp300 (68020+68881) BSD binary */ 142#define MID_HPUX 0x20C /* hp200/300 HP-UX binary */ 143#define MID_HPUX800 0x20B /* hp800 HP-UX binary */ 144 145/* 146 * a_flags 147 */ 148#define EX_DYNAMIC 0x20 /* a.out contains run-time link-edit info */ 149 | |
| 150#endif /* !_EXEC_H_ */ | 42#endif /* !_EXEC_H_ */ |