| 1 | /* BFD back-end for NewsOS3 (Sony, 68k) binaries. |
| 2 | Copyright (C) 1990-1991 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of BFD, the Binary File Descriptor library. |
| 5 | |
| 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. |
| 10 | |
| 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. |
| 15 | |
| 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. */ |
| 19 | |
| 20 | #define PAGE_SIZE 4096 |
| 21 | #define SEGMENT_SIZE PAGE_SIZE |
| 22 | #define TEXT_START_ADDR 0 |
| 23 | #define ARCH 32 |
| 24 | #define BYTES_IN_WORD 4 |
| 25 | |
| 26 | #include "bfd.h" |
| 27 | #include "sysdep.h" |
| 28 | #include "libbfd.h" |
| 29 | #include "aout64.h" |
| 30 | |
| 31 | /**From: bothner@cs.wisc.edu***********************************************/ |
| 32 | #undef N_TXTOFF |
| 33 | #define N_TXTOFF(x) ( (N_MAGIC((x)) == ZMAGIC) ? PAGE_SIZE : EXEC_BYTES_SIZE) |
| 34 | /**************************************************************************/ |
| 35 | |
| 36 | #include "stab.gnu.h" |
| 37 | #include "ar.h" |
| 38 | #include "libaout.h" /* BFD a.out internal data structures */ |
| 39 | #if 0 |
| 40 | int vfprintf(file, format, args) /* Temporary crock! */ |
| 41 | FILE *file; char *format; char *args; |
| 42 | { |
| 43 | return _doprnt (format, args, file); |
| 44 | } |
| 45 | #endif |
| 46 | |
| 47 | |
| 48 | bfd_target *newsos3_callback (); |
| 49 | |
| 50 | bfd_target * |
| 51 | DEFUN(newsos3_object_p,(abfd), |
| 52 | bfd *abfd) |
| 53 | { |
| 54 | struct external_exec exec_bytes; |
| 55 | struct internal_exec exec; |
| 56 | |
| 57 | if (bfd_read ((PTR) &exec_bytes, 1, EXEC_BYTES_SIZE, abfd) |
| 58 | != EXEC_BYTES_SIZE) { |
| 59 | bfd_error = wrong_format; |
| 60 | return 0; |
| 61 | } |
| 62 | |
| 63 | exec.a_info = bfd_h_get_32 (abfd, exec_bytes.e_info); |
| 64 | |
| 65 | if (N_BADMAG (exec)) return 0; |
| 66 | |
| 67 | NAME(aout,swap_exec_header_in)(abfd, &exec_bytes, &exec); |
| 68 | return aout_32_some_aout_object_p (abfd, &exec, newsos3_callback); |
| 69 | } |
| 70 | |
| 71 | /* Finish up the reading of a NEWS-OS a.out file header */ |
| 72 | bfd_target * |
| 73 | DEFUN(newsos3_callback,(abfd), |
| 74 | bfd *abfd) |
| 75 | { |
| 76 | struct internal_exec *execp = exec_hdr (abfd); |
| 77 | |
| 78 | WORK_OUT_FILE_POSITIONS(abfd, execp) ; |
| 79 | |
| 80 | /* Determine the architecture and machine type of the object file. |
| 81 | */ |
| 82 | bfd_default_set_arch_mach(abfd, bfd_arch_m68k, 0); |
| 83 | |
| 84 | |
| 85 | return abfd->xvec; |
| 86 | } |
| 87 | |
| 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. */ |
| 91 | |
| 92 | boolean |
| 93 | DEFUN(newsos3_write_object_contents,(abfd), |
| 94 | bfd *abfd) |
| 95 | { |
| 96 | bfd_size_type data_pad = 0; |
| 97 | struct external_exec exec_bytes; |
| 98 | struct internal_exec *execp = exec_hdr (abfd); |
| 99 | |
| 100 | WRITE_HEADERS(abfd, execp); |
| 101 | return true; |
| 102 | } |
| 103 | \f |
| 104 | /* Transfer vectors for NEWS-OS version 3 */ |
| 105 | |
| 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 |
| 113 | |
| 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 |
| 120 | |
| 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 |
| 124 | |
| 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 |
| 140 | |
| 141 | |
| 142 | /* We define our own versions of these routines. */ |
| 143 | |
| 144 | |
| 145 | bfd_target newsos3_vec = /* Sony 68k-based machines running newsos3 */ |
| 146 | { |
| 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 */ |
| 160 | |
| 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}, |
| 167 | |
| 168 | JUMP_TABLE(newsos) |
| 169 | }; |