81 lines
3.2 KiB
C
81 lines
3.2 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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#ifndef _AOUT_H_
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#define _AOUT_H_
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#include <sys/exec.h>
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/* Valid magic number check. */
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#define N_BADMAG(x) (((x).a_magic) != RMAGIC && \
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((x).a_magic) != OMAGIC && \
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((x).a_magic) != NMAGIC)
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/* Text segment offset. */
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#define N_TXTOFF(x) sizeof(struct exec)
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/* Data segment offset. */
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#define N_DATOFF(x) (N_TXTOFF(x) + (x).a_text)
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/* Text relocation table offset. */
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#define N_TRELOFF(x) (N_DATOFF(x) + (x).a_data)
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/* Data relocation table offset. */
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#define N_DRELOFF(x) (N_TRELOFF(x) + (x).a_reltext)
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/* Symbol table offset. */
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#define N_SYMOFF(x) ((x).a_magic == RMAGIC ? \
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N_DRELOFF(x) + (x).a_reldata : \
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N_DATOFF(x) + (x).a_data)
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#define _AOUT_INCLUDE_
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#include <nlist.h>
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/* Relocations */
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#define RSMASK 0x70 /* bitmask for segments */
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#define RABS 0
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#define RTEXT 0x20
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#define RDATA 0x30
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#define RBSS 0x40
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#define RSTRNG 0x60 /* for assembler */
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#define REXT 0x70 /* externals and bitmask */
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#define RFMASK 0x07 /* bitmask for format */
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#define RHIGH16 0x02 /* upper part of byte address: bits 31:16 */
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#define RWORD16 0x03 /* word address: bits 17:2 */
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#define RWORD26 0x04 /* word address: bits 27:2 */
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#define RINDEX(h) ((h) >> 8)
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#define RSETINDEX(h) ((h) << 8)
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#endif /* !_AOUT_H_ */
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