99 lines
3.6 KiB
C
99 lines
3.6 KiB
C
/*-
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* Copyright (c) 1991 The Regents of the University of California.
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* 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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* @(#)a.out.h 5.6 (Berkeley) 4/30/91
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*/
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#ifndef _AOUT_H_
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#define _AOUT_H_
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#include <sys/exec.h>
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#if defined(hp300) || defined(i386)
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#define __LDPGSZ 4096
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#endif
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#if defined(tahoe) || defined(vax)
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#define __LDPGSZ 1024
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#endif
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#ifdef __amigaos__
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#define __LDPGSZ 8192
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#endif
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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(ex) ((ex).a_magic == ZMAGIC ? __LDPGSZ : 0)
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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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#define N_BSSADDR(ex) (N_DATADDR(ex)+(ex).a_data)
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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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/* Relocation format. */
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struct relocation_info {
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int r_address; /* offset in text or data segment */
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unsigned int r_symbolnum : 24, /* ordinal number of add symbol */
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r_pcrel : 1, /* 1 if value should be pc-relative */
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r_length : 2, /* log base 2 of value's width */
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r_extern : 1, /* 1 if need to add symbol to value */
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r_baserel: 1, /* 1 if linkage table relative */
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r_jmptable : 1, /* 1 if pc-relative to jump table */
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: 2; /* reserved */
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};
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#define _AOUT_INCLUDE_
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#include <nlist.h>
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#endif /* !_AOUT_H_ */
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