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77 lines
2.7 KiB
C
77 lines
2.7 KiB
C
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/* BFD back-end for i386 a.out binaries under dynix.
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Copyright (C) 1994 Free Software Foundation, Inc.
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This file is part of BFD, the Binary File Descriptor library.
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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 2 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* This BFD is currently only tested with gdb, writing object files
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may not work. */
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#define BYTES_IN_WORD 4
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#define ARCH 32
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#define TEXT_START_ADDR 4096
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#define PAGE_SIZE 4096
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#define SEGMENT_SIZE PAGE_SIZE
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#include "aout/dynix3.h"
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#define DEFAULT_ARCH bfd_arch_i386
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#define MACHTYPE_OK(mtype) ((mtype) == M_386 || (mtype) == M_UNKNOWN)
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#define MY(OP) CAT(i386dynix_,OP)
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#define TARGETNAME "a.out-i386-dynix"
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#include "bfd.h"
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#include "sysdep.h"
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#include "libbfd.h"
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#include "libaout.h"
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/* (Ab)use some fields in the internal exec header to be able to read
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executables that contain shared data. */
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#define a_shdata a_tload
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#define a_shdrsize a_dload
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#define aout_32_swap_exec_header_in dynix_swap_exec_header_in
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void
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dynix_swap_exec_header_in (abfd, raw_bytes, execp)
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bfd *abfd;
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struct external_exec *raw_bytes;
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struct internal_exec *execp;
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{
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struct external_exec *bytes = (struct external_exec *)raw_bytes;
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/* The internal_exec structure has some fields that are unused in this
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configuration (IE for i960), so ensure that all such uninitialized
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fields are zero'd out. There are places where two of these structs
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are memcmp'd, and thus the contents do matter. */
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memset ((PTR) execp, 0, sizeof (struct internal_exec));
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/* Now fill in fields in the execp, from the bytes in the raw data. */
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execp->a_info = bfd_h_get_32 (abfd, bytes->e_info);
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execp->a_text = GET_WORD (abfd, bytes->e_text);
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execp->a_data = GET_WORD (abfd, bytes->e_data);
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execp->a_bss = GET_WORD (abfd, bytes->e_bss);
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execp->a_syms = GET_WORD (abfd, bytes->e_syms);
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execp->a_entry = GET_WORD (abfd, bytes->e_entry);
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execp->a_trsize = GET_WORD (abfd, bytes->e_trsize);
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execp->a_drsize = GET_WORD (abfd, bytes->e_drsize);
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execp->a_shdata = GET_WORD (abfd, bytes->e_shdata);
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execp->a_shdrsize = GET_WORD (abfd, bytes->e_shdrsize);
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}
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#include "aout-target.h"
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