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[/] [open8_urisc/] [trunk/] [gnu/] [binutils/] [include/] [aout/] [dynix3.h] - Blame information for rev 24

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1 17 khays
/* a.out specifics for Sequent Symmetry running Dynix 3.x
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   Copyright 2001, 2010 Free Software Foundation, Inc.
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   This program is free software; you can redistribute it and/or modify
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   it under the terms of the GNU General Public License as published by
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   the Free Software Foundation; either version 3 of the License, or
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   (at your option) any later version.
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   This program is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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   GNU General Public License for more details.
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   You should have received a copy of the GNU General Public License
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   along with this program; if not, write to the Free Software
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   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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   MA 02110-1301, USA.  */
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#ifndef A_OUT_DYNIX3_H
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#define A_OUT_DYNIX3_H
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#define external_exec dynix_external_exec
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/* struct exec for Dynix 3
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   a_gdtbl and a_bootstrap are only for standalone binaries.
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   Shared data fields are not supported by the kernel as of Dynix 3.1,
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   but are supported by Dynix compiler programs.  */
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struct dynix_external_exec
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  {
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    unsigned char e_info[4];
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    unsigned char e_text[4];
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    unsigned char e_data[4];
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    unsigned char e_bss[4];
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    unsigned char e_syms[4];
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    unsigned char e_entry[4];
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    unsigned char e_trsize[4];
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    unsigned char e_drsize[4];
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    unsigned char e_g_code[8];
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    unsigned char e_g_data[8];
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    unsigned char e_g_desc[8];
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    unsigned char e_shdata[4];
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    unsigned char e_shbss[4];
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    unsigned char e_shdrsize[4];
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    unsigned char e_bootstrap[44];
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    unsigned char e_reserved[12];
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    unsigned char e_version[4];
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  };
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#define EXEC_BYTES_SIZE (128)
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/* All executables under Dynix are demand paged with read-only text,
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   Thus no NMAGIC.
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   ZMAGIC has a page of 0s at virtual 0,
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   XMAGIC has an invalid page at virtual 0.  */
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#define OMAGIC  0x12eb          /* .o */
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#define ZMAGIC  0x22eb          /* zero @ 0, demand load */
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#define XMAGIC  0x32eb          /* invalid @ 0, demand load */
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#define SMAGIC  0x42eb          /* standalone, not supported here */
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#define N_BADMAG(x) ((OMAGIC != N_MAGIC(x)) && \
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                     (ZMAGIC != N_MAGIC(x)) && \
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                     (XMAGIC != N_MAGIC(x)) && \
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                     (SMAGIC != N_MAGIC(x)))
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#define N_ADDRADJ(x) ((ZMAGIC == N_MAGIC(x) || XMAGIC == N_MAGIC(x)) ? 0x1000 : 0)
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#define N_TXTOFF(x) (EXEC_BYTES_SIZE)
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#define N_DATOFF(x) (N_TXTOFF(x) + N_TXTSIZE(x))
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#define N_SHDATOFF(x) (N_DATOFF(x) + (x).a_data)
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#define N_TRELOFF(x) (N_SHDATOFF(x) + (x).a_shdata)
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#define N_DRELOFF(x) (N_TRELOFF(x) + (x).a_trsize)
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#define N_SHDRELOFF(x) (N_DRELOFF(x) + (x).a_drsize)
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#define N_SYMOFF(x) (N_SHDRELOFF(x) + (x).a_shdrsize)
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#define N_STROFF(x) (N_SYMOFF(x) + (x).a_syms)
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#define N_TXTADDR(x) \
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        (((OMAGIC == N_MAGIC(x)) || (SMAGIC == N_MAGIC(x))) ? 0 \
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         : TEXT_START_ADDR + EXEC_BYTES_SIZE)
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#define N_TXTSIZE(x) \
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        (((OMAGIC == N_MAGIC(x)) || (SMAGIC == N_MAGIC(x))) ? ((x).a_text) \
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         : ((x).a_text - N_ADDRADJ(x) - EXEC_BYTES_SIZE))
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#endif /* A_OUT_DYNIX3_H */

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