1 /* BFD back-end for NewsOS3 (Sony, 68k) binaries.
2 Copyright (C) 1990-1991 Free Software Foundation, Inc.
4 This file is part of BFD, the Binary File Descriptor library.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
20 #define PAGE_SIZE 4096
21 #define SEGMENT_SIZE PAGE_SIZE
22 #define TEXT_START_ADDR 0
24 #define BYTES_IN_WORD 4
31 /**From: bothner@cs.wisc.edu***********************************************/
33 #define N_TXTOFF(x) ( (N_MAGIC((x)) == ZMAGIC) ? PAGE_SIZE : EXEC_BYTES_SIZE)
34 /**************************************************************************/
38 #include "libaout.h" /* BFD a.out internal data structures */
40 int vfprintf(file
, format
, args
) /* Temporary crock! */
41 FILE *file
; char *format
; char *args
;
43 return _doprnt (format
, args
, file
);
48 bfd_target
*newsos3_callback ();
51 DEFUN(newsos3_object_p
,(abfd
),
54 struct external_exec exec_bytes
;
55 struct internal_exec exec
;
57 if (bfd_read ((PTR
) &exec_bytes
, 1, EXEC_BYTES_SIZE
, abfd
)
59 bfd_error
= wrong_format
;
63 exec
.a_info
= bfd_h_get_32 (abfd
, exec_bytes
.e_info
);
65 if (N_BADMAG (exec
)) return 0;
67 NAME(aout
,swap_exec_header_in
)(abfd
, &exec_bytes
, &exec
);
68 return aout_32_some_aout_object_p (abfd
, &exec
, newsos3_callback
);
71 /* Finish up the reading of a NEWS-OS a.out file header */
73 DEFUN(newsos3_callback
,(abfd
),
76 struct internal_exec
*execp
= exec_hdr (abfd
);
78 WORK_OUT_FILE_POSITIONS(abfd
, execp
) ;
80 /* Determine the architecture and machine type of the object file.
82 bfd_default_set_arch_mach(abfd
, bfd_arch_m68k
, 0);
88 /* Write an object file in NEWS-OS format.
89 Section contents have already been written. We write the
90 file header, symbols, and relocation. */
93 DEFUN(newsos3_write_object_contents
,(abfd
),
96 bfd_size_type data_pad
= 0;
97 struct external_exec exec_bytes
;
98 struct internal_exec
*execp
= exec_hdr (abfd
);
100 WRITE_HEADERS(abfd
, execp
);
104 /* Transfer vectors for NEWS-OS version 3 */
106 /* We use BFD generic archive files. */
107 #define newsos_openr_next_archived_file bfd_generic_openr_next_archived_file
108 #define newsos_generic_stat_arch_elt bfd_generic_stat_arch_elt
109 #define newsos_slurp_armap bfd_slurp_bsd_armap
110 #define newsos_slurp_extended_name_table bfd_true
111 #define newsos_write_armap bsd_write_armap
112 #define newsos_truncate_arname bfd_bsd_truncate_arname
114 /* We don't support core files yet. FIXME. */
115 #define newsos_core_file_failing_command _bfd_dummy_core_file_failing_command
116 #define newsos_core_file_failing_signal _bfd_dummy_core_file_failing_signal
117 #define newsos_core_file_matches_executable_p \
118 _bfd_dummy_core_file_matches_executable_p
119 #define newsos_core_file_p _bfd_dummy_target
121 #define newsos_bfd_debug_info_start bfd_void
122 #define newsos_bfd_debug_info_end bfd_void
123 #define newsos_bfd_debug_info_accumulate (PROTO(void,(*),(bfd*, struct sec *))) bfd_void
125 #define newsos_mkobject aout_32_mkobject
126 #define newsos_close_and_cleanup aout_32_close_and_cleanup
127 #define newsos_set_section_contents aout_32_set_section_contents
128 #define newsos_get_section_contents aout_32_get_section_contents
129 #define newsos_new_section_hook aout_32_new_section_hook
130 #define newsos_get_symtab_upper_bound aout_32_get_symtab_upper_bound
131 #define newsos_get_symtab aout_32_get_symtab
132 #define newsos_get_reloc_upper_bound aout_32_get_reloc_upper_bound
133 #define newsos_canonicalize_reloc aout_32_canonicalize_reloc
134 #define newsos_make_empty_symbol aout_32_make_empty_symbol
135 #define newsos_print_symbol aout_32_print_symbol
136 #define newsos_get_lineno aout_32_get_lineno
137 #define newsos_set_arch_mach aout_32_set_arch_mach
138 #define newsos_find_nearest_line aout_32_find_nearest_line
139 #define newsos_sizeof_headers aout_32_sizeof_headers
142 /* We define our own versions of these routines. */
145 bfd_target newsos3_vec
= /* Sony 68k-based machines running newsos3 */
147 "a.out-newsos3", /* name */
148 bfd_target_aout_flavour
,
149 true, /* target byte order */
150 true, /* target headers byte order */
151 (HAS_RELOC
| EXEC_P
| /* object flags */
152 HAS_LINENO
| HAS_DEBUG
|
153 HAS_SYMS
| HAS_LOCALS
| DYNAMIC
| WP_TEXT
| D_PAGED
),
154 (SEC_HAS_CONTENTS
| SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
), /* section flags */
155 ' ', /* ar_pad_char */
156 16, /* ar_max_namelen */
157 1, /* minimum alignment */
158 _do_getb64
, _do_putb64
, _do_getb32
, _do_putb32
, _do_getb16
, _do_putb16
, /* data */
159 _do_getb64
, _do_putb64
, _do_getb32
, _do_putb32
, _do_getb16
, _do_putb16
, /* hdrs */
161 {_bfd_dummy_target
, newsos3_object_p
, /* bfd_check_format */
162 bfd_generic_archive_p
, newsos_core_file_p
},
163 {bfd_false
, newsos_mkobject
, /* bfd_set_format */
164 _bfd_generic_mkarchive
, bfd_false
},
165 {bfd_false
, newsos3_write_object_contents
, /* bfd_write_contents */
166 _bfd_write_archive_contents
, bfd_false
},