109 lines
4.2 KiB
C
109 lines
4.2 KiB
C
/*-
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: @(#)exec.h 8.1 (Berkeley) 6/10/93
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* $Id: aout_machdep.h,v 1.3 1994/05/27 08:40:35 glass Exp $
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*/
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#include <machine/endian.h>
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/* Size of a page in an object file. */
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#define __LDPGSZ 4096
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/* Valid magic number check. */
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#define N_BADMAG(ex) \
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((ex).a_magic != NMAGIC && (ex).a_magic != OMAGIC && \
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(ex).a_magic != ZMAGIC)
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/* Address of the bottom of the text segment. */
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#define N_TXTADDR(X) __LDPGSZ
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/* Address of the bottom of the data segment. */
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#define N_DATADDR(ex) \
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(N_TXTADDR(ex) + ((ex).a_magic == OMAGIC ? (ex).a_text \
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: __LDPGSZ + ((ex).a_text - 1 & ~(__LDPGSZ - 1))))
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/* Text segment offset. */
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#define N_TXTOFF(ex) \
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((ex).a_magic == ZMAGIC ? 0 : sizeof(struct exec))
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/* Data segment offset. */
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#define N_DATOFF(ex) \
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(N_TXTOFF(ex) + ((ex).a_magic != ZMAGIC ? (ex).a_text : \
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__LDPGSZ + ((ex).a_text - 1 & ~(__LDPGSZ - 1))))
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/* Symbol table offset. */
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#define N_SYMOFF(ex) \
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(N_TXTOFF(ex) + (ex).a_text + (ex).a_data + (ex).a_trsize + \
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(ex).a_drsize)
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/* String table offset. */
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#define N_STROFF(ex) (N_SYMOFF(ex) + (ex).a_syms)
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/* Description of the object file header (a.out format). */
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struct exec {
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#if BYTE_ORDER == BIG_ENDIAN
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u_short a_mid; /* machine ID */
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u_short a_magic; /* magic number */
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#else
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u_short a_magic; /* magic number */
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u_short a_mid; /* machine ID */
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#endif
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u_long a_text; /* text segment size */
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u_long a_data; /* initialized data size */
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u_long a_bss; /* uninitialized data size */
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u_long a_syms; /* symbol table size */
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u_long a_entry; /* entry point */
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u_long a_trsize; /* text relocation size */
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u_long a_drsize; /* data relocation size */
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};
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#define a_machtype a_mid /* SUN compatibility */
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#define MID_ZERO 0 /* unknown - implementation dependent */
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#define MID_SUN010 1 /* sun 68010/68020 binary */
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#define MID_SUN020 2 /* sun 68020-only binary */
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#define MID_SUN_SPARC 3 /* sparc binary */
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#define MID_386 100 /* Intel 80386 binary */
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#define MID_29K 101 /* AMD 29000 binary */
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#define MID_MIPSI 151 /* MIPS R2000/R3000 binary */
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#define MID_MIPSII 152 /* MIPS R4000 binary */
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#define MID_HP200 200 /* hp200 (68010) BSD binary */
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#define MID_HP300 300 /* hp300 (68020+68881) BSD binary */
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#define MID_HPUX 0x20C /* hp200/300 HP-UX binary */
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#define MID_HPUX800 0x20B /* hp800 HP-UX binary */
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#define OMAGIC 0407 /* old impure format */
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#define NMAGIC 0410 /* read-only text */
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#define ZMAGIC 0413 /* demand load format */
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