| |
| /*- |
| * 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. |
| * |
| * from: @(#)exec.h 8.1 (Berkeley) 6/11/93 |
| * $Id$ |
| */ |
| /* |
| * 11/23/95 - Kludge to get "ntohl" null macro added. -- ESB |
| * - and for __LDPGSZ |
| */ |
| |
| #ifndef _IMGACT_AOUT_H_ |
| #define _IMGACT_AOUT_H_ |
| |
| /* XXX ESB */ |
| #define ntohl(x) ((x << 24) | ((x & 0xFF00) << 8) \ |
| | ((x >> 8) & 0xFF00) | (x >> 24)) |
| #define htonl(x) ntohl(x) |
| #define __LDPGSZ 0x1000 |
| |
| #define N_GETMAGIC(ex) \ |
| ( (ex).a_midmag & 0xffff ) |
| #define N_GETMID(ex) \ |
| ( (N_GETMAGIC_NET(ex) == ZMAGIC) ? N_GETMID_NET(ex) : \ |
| ((ex).a_midmag >> 16) & 0x03ff ) |
| #define N_GETFLAG(ex) \ |
| ( (N_GETMAGIC_NET(ex) == ZMAGIC) ? N_GETFLAG_NET(ex) : \ |
| ((ex).a_midmag >> 26) & 0x3f ) |
| #define N_SETMAGIC(ex,mag,mid,flag) \ |
| ( (ex).a_midmag = (((flag) & 0x3f) <<26) | (((mid) & 0x03ff) << 16) | \ |
| ((mag) & 0xffff) ) |
| |
| #define N_GETMAGIC_NET(ex) \ |
| (ntohl((ex).a_midmag) & 0xffff) |
| #define N_GETMID_NET(ex) \ |
| ((ntohl((ex).a_midmag) >> 16) & 0x03ff) |
| #define N_GETFLAG_NET(ex) \ |
| ((ntohl((ex).a_midmag) >> 26) & 0x3f) |
| #define N_SETMAGIC_NET(ex,mag,mid,flag) \ |
| ( (ex).a_midmag = htonl( (((flag)&0x3f)<<26) | (((mid)&0x03ff)<<16) | \ |
| (((mag)&0xffff)) ) ) |
| |
| #define N_ALIGN(ex,x) \ |
| (N_GETMAGIC(ex) == ZMAGIC || N_GETMAGIC(ex) == QMAGIC || \ |
| N_GETMAGIC_NET(ex) == ZMAGIC || N_GETMAGIC_NET(ex) == QMAGIC ? \ |
| ((x) + __LDPGSZ - 1) & ~(unsigned long)(__LDPGSZ - 1) : (x)) |
| |
| /* Valid magic number check. */ |
| #define N_BADMAG(ex) \ |
| (N_GETMAGIC(ex) != OMAGIC && N_GETMAGIC(ex) != NMAGIC && \ |
| N_GETMAGIC(ex) != ZMAGIC && N_GETMAGIC(ex) != QMAGIC && \ |
| N_GETMAGIC_NET(ex) != OMAGIC && N_GETMAGIC_NET(ex) != NMAGIC && \ |
| N_GETMAGIC_NET(ex) != ZMAGIC && N_GETMAGIC_NET(ex) != QMAGIC) |
| |
| |
| /* Address of the bottom of the text segment. */ |
| #define N_TXTADDR(ex) \ |
| ((N_GETMAGIC(ex) == OMAGIC || N_GETMAGIC(ex) == NMAGIC || \ |
| N_GETMAGIC(ex) == ZMAGIC) ? 0 : __LDPGSZ) |
| |
| /* Address of the bottom of the data segment. */ |
| #define N_DATADDR(ex) \ |
| N_ALIGN(ex, N_TXTADDR(ex) + (ex).a_text) |
| |
| /* Text segment offset. */ |
| #define N_TXTOFF(ex) \ |
| (N_GETMAGIC(ex) == ZMAGIC ? __LDPGSZ : (N_GETMAGIC(ex) == QMAGIC || \ |
| N_GETMAGIC_NET(ex) == ZMAGIC) ? 0 : sizeof(struct exec)) |
| |
| /* Data segment offset. */ |
| #define N_DATOFF(ex) \ |
| N_ALIGN(ex, N_TXTOFF(ex) + (ex).a_text) |
| |
| /* Relocation table offset. */ |
| #define N_RELOFF(ex) \ |
| N_ALIGN(ex, N_DATOFF(ex) + (ex).a_data) |
| |
| /* Symbol table offset. */ |
| #define N_SYMOFF(ex) \ |
| (N_RELOFF(ex) + (ex).a_trsize + (ex).a_drsize) |
| |
| /* String table offset. */ |
| #define N_STROFF(ex) (N_SYMOFF(ex) + (ex).a_syms) |
| |
| /* |
| * Header prepended to each a.out file. |
| * only manipulate the a_midmag field via the |
| * N_SETMAGIC/N_GET{MAGIC,MID,FLAG} macros in a.out.h |
| */ |
| |
| struct exec |
| { |
| unsigned long a_midmag; /* htonl(flags<<26 | mid<<16 | magic) */ |
| unsigned long a_text; /* text segment size */ |
| unsigned long a_data; /* initialized data size */ |
| unsigned long a_bss; /* uninitialized data size */ |
| unsigned long a_syms; /* symbol table size */ |
| unsigned long a_entry; /* entry point */ |
| unsigned long a_trsize; /* text relocation size */ |
| unsigned long a_drsize; /* data relocation size */ |
| }; |
| #define a_magic a_midmag /* XXX Hack to work with current kern_execve.c */ |
| |
| /* a_magic */ |
| #define OMAGIC 0x107 /* 0407 old impure format */ |
| #define NMAGIC 0x108 /* 0410 read-only text */ |
| #define ZMAGIC 0x10b /* 0413 demand load format */ |
| #define QMAGIC 0xcc /* 0314 "compact" demand load format */ |
| |
| /* a_mid */ |
| #define MID_ZERO 0 /* unknown - implementation dependent */ |
| #define MID_SUN010 1 /* sun 68010/68020 binary */ |
| #define MID_SUN020 2 /* sun 68020-only binary */ |
| #define MID_I386 134 /* i386 BSD binary */ |
| #define MID_SPARC 138 /* sparc */ |
| #define MID_HP200 200 /* hp200 (68010) BSD binary */ |
| #define MID_HP300 300 /* hp300 (68020+68881) BSD binary */ |
| #define MID_HPUX 0x20C /* hp200/300 HP-UX binary */ |
| #define MID_HPUX800 0x20B /* hp800 HP-UX binary */ |
| |
| /* |
| * a_flags |
| */ |
| #define EX_PIC 0x10 /* contains position independant code */ |
| #define EX_DYNAMIC 0x20 /* contains run-time link-edit info */ |
| #define EX_DPMASK 0x30 /* mask for the above */ |
| |
| #endif /* !_IMGACT_AOUT_H_ */ |