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83 lines
3.1 KiB
C
83 lines
3.1 KiB
C
/* BFD back-end for i386 a.out binaries under dynix.
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Copyright (C) 1994-2018 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 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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/* This BFD is currently only tested with gdb, writing object files
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may not work. */
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#define TEXT_START_ADDR 4096
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#define TARGET_PAGE_SIZE 4096
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#define SEGMENT_SIZE TARGET_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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/* Do not "beautify" the CONCAT* macro args. Traditional C will not
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remove whitespace added here, and thus will fail to concatenate
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the tokens. */
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#define MY(OP) CONCAT2 (i386_aout_dynix_,OP)
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#define TARGETNAME "a.out-i386-dynix"
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#define NAME(x,y) CONCAT3 (i386dynix,_32_,y)
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#define ARCH_SIZE 32
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#define NAME_swap_exec_header_in NAME(i386dynix_32_,swap_exec_header_in)
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#define MY_get_section_contents aout_32_get_section_contents
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/* aoutx.h requires definitions for NMAGIC, BMAGIC and QMAGIC. */
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#define NMAGIC 0
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#define BMAGIC OMAGIC
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#define QMAGIC XMAGIC
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#include "aoutx.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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void
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i386dynix_32_swap_exec_header_in (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 (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 = 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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