1 /*** bfd backend for NewsOS3 (Sony, 68k) binaries */
3 /* Copyright (C) 1990, 1991 Free Software Foundation, Inc.
5 This file is part of BFD, the Binary File Diddler.
7 BFD is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 1, or (at your option)
12 BFD is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with BFD; see the file COPYING. If not, write to
19 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
21 #define TARGET_BYTE_ORDER_BIG_P 1
23 #define PAGE_SIZE 4096
24 #define SEGMENT_SIZE PAGE_SIZE
25 #define TEXT_START_ADDR 0
27 #define BYTES_IN_WORD 4
35 /**From: bothner@cs.wisc.edu***********************************************/
37 #define N_TXTOFF(x) ( (N_MAGIC((x)) == ZMAGIC) ? PAGE_SIZE : EXEC_BYTES_SIZE)
38 /**************************************************************************/
42 #include "libaout.h" /* BFD a.out internal data structures */
44 int vfprintf(file
, format
, args
) /* Temporary crock! */
45 FILE *file
; char *format
; char *args
;
47 return _doprnt (format
, args
, file
);
52 bfd_target
*newsos3_callback ();
55 DEFUN(newsos3_object_p
,(abfd
),
58 unsigned char magicbuf
[4]; /* Raw bytes of magic number from file */
59 unsigned long magic
; /* Swapped magic number */
61 bfd_error
= system_call_error
;
63 if (bfd_read ((PTR
)magicbuf
, 1, sizeof (magicbuf
), abfd
) !=
66 magic
= bfd_h_get_32 (abfd
, magicbuf
);
68 if (N_BADMAG (*((struct internal_exec
*) &magic
))) return 0;
70 return aout_32_some_aout_object_p (abfd
, newsos3_callback
);
73 /* Finish up the reading of a NEWS-OS a.out file header */
75 DEFUN(newsos3_callback
,(abfd
),
78 struct internal_exec
*execp
= exec_hdr (abfd
);
80 WORK_OUT_FILE_POSITIONS(abfd
, execp
) ;
82 /* Determine the architecture and machine type of the object file. */
83 abfd
->obj_arch
= bfd_arch_m68k
;
84 abfd
->obj_machine
= 0;
89 /* Write an object file in NEWS-OS format.
90 Section contents have already been written. We write the
91 file header, symbols, and relocation. */
94 DEFUN(newsos3_write_object_contents
,(abfd
),
97 bfd_size_type data_pad
= 0;
98 struct external_exec exec_bytes
;
99 struct internal_exec
*execp
= exec_hdr (abfd
);
101 WRITE_HEADERS(abfd
, execp
);
105 /* Transfer vectors for NEWS-OS version 3 */
107 /* We use BFD generic archive files. */
108 #define newsos_openr_next_archived_file bfd_generic_openr_next_archived_file
109 #define newsos_generic_stat_arch_elt bfd_generic_stat_arch_elt
110 #define newsos_slurp_armap bfd_slurp_bsd_armap
111 #define newsos_slurp_extended_name_table bfd_true
112 #define newsos_write_armap bsd_write_armap
113 #define newsos_truncate_arname bfd_bsd_truncate_arname
115 /* We don't support core files yet. FIXME. */
116 #define newsos_core_file_failing_command _bfd_dummy_core_file_failing_command
117 #define newsos_core_file_failing_signal _bfd_dummy_core_file_failing_signal
118 #define newsos_core_file_matches_executable_p \
119 _bfd_dummy_core_file_matches_executable_p
120 #define newsos_core_file_p _bfd_dummy_target
122 #define newsos_bfd_debug_info_start bfd_void
123 #define newsos_bfd_debug_info_end bfd_void
124 #define newsos_bfd_debug_info_accumulate bfd_void
126 #define newsos_mkobject aout_32_mkobject
127 #define newsos_close_and_cleanup aout_32_close_and_cleanup
128 #define newsos_set_section_contents aout_32_set_section_contents
129 #define newsos_get_section_contents aout_32_get_section_contents
130 #define newsos_new_section_hook aout_32_new_section_hook
131 #define newsos_get_symtab_upper_bound aout_32_get_symtab_upper_bound
132 #define newsos_get_symtab aout_32_get_symtab
133 #define newsos_get_reloc_upper_bound aout_32_get_reloc_upper_bound
134 #define newsos_canonicalize_reloc aout_32_canonicalize_reloc
135 #define newsos_make_empty_symbol aout_32_make_empty_symbol
136 #define newsos_print_symbol aout_32_print_symbol
137 #define newsos_get_lineno aout_32_get_lineno
138 #define newsos_set_arch_mach aout_32_set_arch_mach
139 #define newsos_find_nearest_line aout_32_find_nearest_line
140 #define newsos_sizeof_headers aout_32_sizeof_headers
143 /* We define our own versions of these routines. */
146 bfd_target newsos3_vec
= /* Sony 68k-based machines running newos3 */
148 "a.out-newos3", /* name */
149 bfd_target_aout_flavour_enum
,
150 true, /* target byte order */
151 true, /* target headers byte order */
152 (HAS_RELOC
| EXEC_P
| /* object flags */
153 HAS_LINENO
| HAS_DEBUG
|
154 HAS_SYMS
| HAS_LOCALS
| DYNAMIC
| WP_TEXT
| D_PAGED
),
155 (SEC_HAS_CONTENTS
| SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
), /* section flags */
156 ' ', /* ar_pad_char */
157 16, /* ar_max_namelen */
158 1, /* minimum alignment */
159 _do_getb64
, _do_putb64
, _do_getb32
, _do_putb32
, _do_getb16
, _do_putb16
, /* data */
160 _do_getb64
, _do_putb64
, _do_getb32
, _do_putb32
, _do_getb16
, _do_putb16
, /* hdrs */
162 {_bfd_dummy_target
, newsos3_object_p
, /* bfd_check_format */
163 bfd_generic_archive_p
, newsos_core_file_p
},
164 {bfd_false
, newsos_mkobject
, /* bfd_set_format */
165 _bfd_generic_mkarchive
, bfd_false
},
166 {bfd_false
, newsos3_write_object_contents
, /* bfd_write_contents */
167 _bfd_write_archive_contents
, bfd_false
},