Fix file corrupted before initial checkin.
[binutils.git] / bfd / ieee.c
blobe66e2056a7d511d6a0ab729da4ea8dd25ea638fe
1 /* BFD back-end for ieee-695 objects.
2 Copyright (C) 1990, 91, 92, 93, 94, 95, 96, 97, 98, 1999
3 Free Software Foundation, Inc.
5 Written by Steve Chamberlain of Cygnus Support.
7 This file is part of BFD, the Binary File Descriptor library.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
23 #define KEEPMINUSPCININST 0
25 /* IEEE 695 format is a stream of records, which we parse using a simple one-
26 token (which is one byte in this lexicon) lookahead recursive decent
27 parser. */
29 #include "bfd.h"
30 #include "sysdep.h"
31 #include "libbfd.h"
32 #include "ieee.h"
33 #include "libieee.h"
35 #include <ctype.h>
37 static boolean ieee_write_byte PARAMS ((bfd *, int));
38 static boolean ieee_write_2bytes PARAMS ((bfd *, int));
39 static boolean ieee_write_int PARAMS ((bfd *, bfd_vma));
40 static boolean ieee_write_id PARAMS ((bfd *, const char *));
41 static boolean ieee_write_expression
42 PARAMS ((bfd *, bfd_vma, asymbol *, boolean, unsigned int));
43 static void ieee_write_int5 PARAMS ((bfd_byte *, bfd_vma));
44 static boolean ieee_write_int5_out PARAMS ((bfd *, bfd_vma));
45 static boolean ieee_write_section_part PARAMS ((bfd *));
46 static boolean do_with_relocs PARAMS ((bfd *, asection *));
47 static boolean do_as_repeat PARAMS ((bfd *, asection *));
48 static boolean do_without_relocs PARAMS ((bfd *, asection *));
49 static boolean ieee_write_external_part PARAMS ((bfd *));
50 static boolean ieee_write_data_part PARAMS ((bfd *));
51 static boolean ieee_write_debug_part PARAMS ((bfd *));
52 static boolean ieee_write_me_part PARAMS ((bfd *));
53 static boolean ieee_write_processor PARAMS ((bfd *));
55 static boolean ieee_slurp_debug PARAMS ((bfd *));
56 static boolean ieee_slurp_section_data PARAMS ((bfd *));
58 /* Functions for writing to ieee files in the strange way that the
59 standard requires. */
61 static boolean
62 ieee_write_byte (abfd, barg)
63 bfd *abfd;
64 int barg;
66 bfd_byte byte;
68 byte = barg;
69 if (bfd_write ((PTR) &byte, 1, 1, abfd) != 1)
70 return false;
71 return true;
74 static boolean
75 ieee_write_2bytes (abfd, bytes)
76 bfd *abfd;
77 int bytes;
79 bfd_byte buffer[2];
81 buffer[0] = bytes >> 8;
82 buffer[1] = bytes & 0xff;
83 if (bfd_write ((PTR) buffer, 1, 2, abfd) != 2)
84 return false;
85 return true;
88 static boolean
89 ieee_write_int (abfd, value)
90 bfd *abfd;
91 bfd_vma value;
93 if (value <= 127)
95 if (! ieee_write_byte (abfd, (bfd_byte) value))
96 return false;
98 else
100 unsigned int length;
102 /* How many significant bytes ? */
103 /* FIXME FOR LONGER INTS */
104 if (value & 0xff000000)
105 length = 4;
106 else if (value & 0x00ff0000)
107 length = 3;
108 else if (value & 0x0000ff00)
109 length = 2;
110 else
111 length = 1;
113 if (! ieee_write_byte (abfd,
114 (bfd_byte) ((int) ieee_number_repeat_start_enum
115 + length)))
116 return false;
117 switch (length)
119 case 4:
120 if (! ieee_write_byte (abfd, (bfd_byte) (value >> 24)))
121 return false;
122 /* Fall through. */
123 case 3:
124 if (! ieee_write_byte (abfd, (bfd_byte) (value >> 16)))
125 return false;
126 /* Fall through. */
127 case 2:
128 if (! ieee_write_byte (abfd, (bfd_byte) (value >> 8)))
129 return false;
130 /* Fall through. */
131 case 1:
132 if (! ieee_write_byte (abfd, (bfd_byte) (value)))
133 return false;
137 return true;
140 static boolean
141 ieee_write_id (abfd, id)
142 bfd *abfd;
143 const char *id;
145 size_t length = strlen (id);
147 if (length <= 127)
149 if (! ieee_write_byte (abfd, (bfd_byte) length))
150 return false;
152 else if (length < 255)
154 if (! ieee_write_byte (abfd, ieee_extension_length_1_enum)
155 || ! ieee_write_byte (abfd, (bfd_byte) length))
156 return false;
158 else if (length < 65535)
160 if (! ieee_write_byte (abfd, ieee_extension_length_2_enum)
161 || ! ieee_write_2bytes (abfd, (int) length))
162 return false;
164 else
166 (*_bfd_error_handler)
167 (_("%s: string too long (%d chars, max 65535)"),
168 bfd_get_filename (abfd), length);
169 bfd_set_error (bfd_error_invalid_operation);
170 return false;
173 if (bfd_write ((PTR) id, 1, length, abfd) != length)
174 return false;
175 return true;
178 /***************************************************************************
179 Functions for reading from ieee files in the strange way that the
180 standard requires:
183 #define this_byte(ieee) *((ieee)->input_p)
184 #define next_byte(ieee) ((ieee)->input_p++)
185 #define this_byte_and_next(ieee) (*((ieee)->input_p++))
187 static unsigned short
188 read_2bytes (ieee)
189 common_header_type *ieee;
191 unsigned char c1 = this_byte_and_next (ieee);
192 unsigned char c2 = this_byte_and_next (ieee);
193 return (c1 << 8) | c2;
196 static void
197 bfd_get_string (ieee, string, length)
198 common_header_type *ieee;
199 char *string;
200 size_t length;
202 size_t i;
203 for (i = 0; i < length; i++)
205 string[i] = this_byte_and_next (ieee);
209 static char *
210 read_id (ieee)
211 common_header_type *ieee;
213 size_t length;
214 char *string;
215 length = this_byte_and_next (ieee);
216 if (length <= 0x7f)
218 /* Simple string of length 0 to 127 */
220 else if (length == 0xde)
222 /* Length is next byte, allowing 0..255 */
223 length = this_byte_and_next (ieee);
225 else if (length == 0xdf)
227 /* Length is next two bytes, allowing 0..65535 */
228 length = this_byte_and_next (ieee);
229 length = (length * 256) + this_byte_and_next (ieee);
231 /* Buy memory and read string */
232 string = bfd_alloc (ieee->abfd, length + 1);
233 if (!string)
234 return NULL;
235 bfd_get_string (ieee, string, length);
236 string[length] = 0;
237 return string;
240 static boolean
241 ieee_write_expression (abfd, value, symbol, pcrel, index)
242 bfd *abfd;
243 bfd_vma value;
244 asymbol *symbol;
245 boolean pcrel;
246 unsigned int index;
248 unsigned int term_count = 0;
250 if (value != 0)
252 if (! ieee_write_int (abfd, value))
253 return false;
254 term_count++;
257 if (bfd_is_com_section (symbol->section)
258 || bfd_is_und_section (symbol->section))
260 /* Def of a common symbol */
261 if (! ieee_write_byte (abfd, ieee_variable_X_enum)
262 || ! ieee_write_int (abfd, symbol->value))
263 return false;
264 term_count++;
266 else if (! bfd_is_abs_section (symbol->section))
268 /* Ref to defined symbol - */
270 if (symbol->flags & BSF_GLOBAL)
272 if (! ieee_write_byte (abfd, ieee_variable_I_enum)
273 || ! ieee_write_int (abfd, symbol->value))
274 return false;
275 term_count++;
277 else if (symbol->flags & (BSF_LOCAL | BSF_SECTION_SYM))
279 /* This is a reference to a defined local symbol. We can
280 easily do a local as a section+offset. */
281 if (! ieee_write_byte (abfd, ieee_variable_R_enum)
282 || ! ieee_write_byte (abfd,
283 (bfd_byte) (symbol->section->index
284 + IEEE_SECTION_NUMBER_BASE)))
285 return false;
286 term_count++;
287 if (symbol->value != 0)
289 if (! ieee_write_int (abfd, symbol->value))
290 return false;
291 term_count++;
294 else
296 (*_bfd_error_handler)
297 (_("%s: unrecognized symbol `%s' flags 0x%x"),
298 bfd_get_filename (abfd), bfd_asymbol_name (symbol),
299 symbol->flags);
300 bfd_set_error (bfd_error_invalid_operation);
301 return false;
305 if (pcrel)
307 /* subtract the pc from here by asking for PC of this section*/
308 if (! ieee_write_byte (abfd, ieee_variable_P_enum)
309 || ! ieee_write_byte (abfd,
310 (bfd_byte) (index + IEEE_SECTION_NUMBER_BASE))
311 || ! ieee_write_byte (abfd, ieee_function_minus_enum))
312 return false;
315 /* Handle the degenerate case of a 0 address. */
316 if (term_count == 0)
318 if (! ieee_write_int (abfd, 0))
319 return false;
322 while (term_count > 1)
324 if (! ieee_write_byte (abfd, ieee_function_plus_enum))
325 return false;
326 term_count--;
329 return true;
332 /*****************************************************************************/
335 writes any integer into the buffer supplied and always takes 5 bytes
337 static void
338 ieee_write_int5 (buffer, value)
339 bfd_byte *buffer;
340 bfd_vma value;
342 buffer[0] = (bfd_byte) ieee_number_repeat_4_enum;
343 buffer[1] = (value >> 24) & 0xff;
344 buffer[2] = (value >> 16) & 0xff;
345 buffer[3] = (value >> 8) & 0xff;
346 buffer[4] = (value >> 0) & 0xff;
349 static boolean
350 ieee_write_int5_out (abfd, value)
351 bfd *abfd;
352 bfd_vma value;
354 bfd_byte b[5];
356 ieee_write_int5 (b, value);
357 if (bfd_write ((PTR) b, 1, 5, abfd) != 5)
358 return false;
359 return true;
362 static boolean
363 parse_int (ieee, value_ptr)
364 common_header_type *ieee;
365 bfd_vma *value_ptr;
367 int value = this_byte (ieee);
368 int result;
369 if (value >= 0 && value <= 127)
371 *value_ptr = value;
372 next_byte (ieee);
373 return true;
375 else if (value >= 0x80 && value <= 0x88)
377 unsigned int count = value & 0xf;
378 result = 0;
379 next_byte (ieee);
380 while (count)
382 result = (result << 8) | this_byte_and_next (ieee);
383 count--;
385 *value_ptr = result;
386 return true;
388 return false;
391 static int
392 parse_i (ieee, ok)
393 common_header_type *ieee;
394 boolean *ok;
396 bfd_vma x;
397 *ok = parse_int (ieee, &x);
398 return x;
401 static bfd_vma
402 must_parse_int (ieee)
403 common_header_type *ieee;
405 bfd_vma result;
406 BFD_ASSERT (parse_int (ieee, &result) == true);
407 return result;
410 typedef struct
412 bfd_vma value;
413 asection *section;
414 ieee_symbol_index_type symbol;
415 } ieee_value_type;
418 #if KEEPMINUSPCININST
420 #define SRC_MASK(arg) arg
421 #define PCREL_OFFSET false
423 #else
425 #define SRC_MASK(arg) 0
426 #define PCREL_OFFSET true
428 #endif
430 static reloc_howto_type abs32_howto =
431 HOWTO (1,
435 false,
437 complain_overflow_bitfield,
439 "abs32",
440 true,
441 0xffffffff,
442 0xffffffff,
443 false);
445 static reloc_howto_type abs16_howto =
446 HOWTO (1,
450 false,
452 complain_overflow_bitfield,
454 "abs16",
455 true,
456 0x0000ffff,
457 0x0000ffff,
458 false);
460 static reloc_howto_type abs8_howto =
461 HOWTO (1,
465 false,
467 complain_overflow_bitfield,
469 "abs8",
470 true,
471 0x000000ff,
472 0x000000ff,
473 false);
475 static reloc_howto_type rel32_howto =
476 HOWTO (1,
480 true,
482 complain_overflow_signed,
484 "rel32",
485 true,
486 SRC_MASK (0xffffffff),
487 0xffffffff,
488 PCREL_OFFSET);
490 static reloc_howto_type rel16_howto =
491 HOWTO (1,
495 true,
497 complain_overflow_signed,
499 "rel16",
500 true,
501 SRC_MASK (0x0000ffff),
502 0x0000ffff,
503 PCREL_OFFSET);
505 static reloc_howto_type rel8_howto =
506 HOWTO (1,
510 true,
512 complain_overflow_signed,
514 "rel8",
515 true,
516 SRC_MASK (0x000000ff),
517 0x000000ff,
518 PCREL_OFFSET);
520 static ieee_symbol_index_type NOSYMBOL = {0, 0};
522 static void
523 parse_expression (ieee, value, symbol, pcrel, extra, section)
524 ieee_data_type *ieee;
525 bfd_vma *value;
526 ieee_symbol_index_type *symbol;
527 boolean *pcrel;
528 unsigned int *extra;
529 asection **section;
532 #define POS sp[1]
533 #define TOS sp[0]
534 #define NOS sp[-1]
535 #define INC sp++;
536 #define DEC sp--;
538 boolean loop = true;
539 ieee_value_type stack[10];
541 /* The stack pointer always points to the next unused location */
542 #define PUSH(x,y,z) TOS.symbol=x;TOS.section=y;TOS.value=z;INC;
543 #define POP(x,y,z) DEC;x=TOS.symbol;y=TOS.section;z=TOS.value;
544 ieee_value_type *sp = stack;
546 while (loop)
548 switch (this_byte (&(ieee->h)))
550 case ieee_variable_P_enum:
551 /* P variable, current program counter for section n */
553 int section_n;
554 next_byte (&(ieee->h));
555 *pcrel = true;
556 section_n = must_parse_int (&(ieee->h));
557 PUSH (NOSYMBOL, bfd_abs_section_ptr, 0);
558 break;
560 case ieee_variable_L_enum:
561 /* L variable address of section N */
562 next_byte (&(ieee->h));
563 PUSH (NOSYMBOL, ieee->section_table[must_parse_int (&(ieee->h))], 0);
564 break;
565 case ieee_variable_R_enum:
566 /* R variable, logical address of section module */
567 /* FIXME, this should be different to L */
568 next_byte (&(ieee->h));
569 PUSH (NOSYMBOL, ieee->section_table[must_parse_int (&(ieee->h))], 0);
570 break;
571 case ieee_variable_S_enum:
572 /* S variable, size in MAUS of section module */
573 next_byte (&(ieee->h));
574 PUSH (NOSYMBOL,
576 ieee->section_table[must_parse_int (&(ieee->h))]->_raw_size);
577 break;
578 case ieee_variable_I_enum:
579 /* Push the address of variable n */
581 ieee_symbol_index_type sy;
582 next_byte (&(ieee->h));
583 sy.index = (int) must_parse_int (&(ieee->h));
584 sy.letter = 'I';
586 PUSH (sy, bfd_abs_section_ptr, 0);
588 break;
589 case ieee_variable_X_enum:
590 /* Push the address of external variable n */
592 ieee_symbol_index_type sy;
593 next_byte (&(ieee->h));
594 sy.index = (int) (must_parse_int (&(ieee->h)));
595 sy.letter = 'X';
597 PUSH (sy, bfd_und_section_ptr, 0);
599 break;
600 case ieee_function_minus_enum:
602 bfd_vma value1, value2;
603 asection *section1, *section_dummy;
604 ieee_symbol_index_type sy;
605 next_byte (&(ieee->h));
607 POP (sy, section1, value1);
608 POP (sy, section_dummy, value2);
609 PUSH (sy, section1 ? section1 : section_dummy, value2 - value1);
611 break;
612 case ieee_function_plus_enum:
614 bfd_vma value1, value2;
615 asection *section1;
616 asection *section2;
617 ieee_symbol_index_type sy1;
618 ieee_symbol_index_type sy2;
619 next_byte (&(ieee->h));
621 POP (sy1, section1, value1);
622 POP (sy2, section2, value2);
623 PUSH (sy1.letter ? sy1 : sy2,
624 bfd_is_abs_section (section1) ? section2 : section1,
625 value1 + value2);
627 break;
628 default:
630 bfd_vma va;
631 BFD_ASSERT (this_byte (&(ieee->h)) < (int) ieee_variable_A_enum
632 || this_byte (&(ieee->h)) > (int) ieee_variable_Z_enum);
633 if (parse_int (&(ieee->h), &va))
635 PUSH (NOSYMBOL, bfd_abs_section_ptr, va);
637 else
640 Thats all that we can understand. As far as I can see
641 there is a bug in the Microtec IEEE output which I'm
642 using to scan, whereby the comma operator is omitted
643 sometimes in an expression, giving expressions with too
644 many terms. We can tell if that's the case by ensuring
645 that sp == stack here. If not, then we've pushed
646 something too far, so we keep adding. */
648 while (sp != stack + 1)
650 asection *section1;
651 ieee_symbol_index_type sy1;
652 POP (sy1, section1, *extra);
655 asection *dummy;
657 POP (*symbol, dummy, *value);
658 if (section)
659 *section = dummy;
662 loop = false;
670 #define ieee_seek(abfd, offset) \
671 IEEE_DATA(abfd)->h.input_p = IEEE_DATA(abfd)->h.first_byte + offset
673 #define ieee_pos(abfd) \
674 (IEEE_DATA(abfd)->h.input_p - IEEE_DATA(abfd)->h.first_byte)
676 static unsigned int last_index;
677 static char last_type; /* is the index for an X or a D */
679 static ieee_symbol_type *
680 get_symbol (abfd,
681 ieee,
682 last_symbol,
683 symbol_count,
684 pptr,
685 max_index,
686 this_type
688 bfd *abfd ATTRIBUTE_UNUSED;
689 ieee_data_type *ieee;
690 ieee_symbol_type *last_symbol;
691 unsigned int *symbol_count;
692 ieee_symbol_type ***pptr;
693 unsigned int *max_index;
694 char this_type
697 /* Need a new symbol */
698 unsigned int new_index = must_parse_int (&(ieee->h));
699 if (new_index != last_index || this_type != last_type)
701 ieee_symbol_type *new_symbol = (ieee_symbol_type *) bfd_alloc (ieee->h.abfd,
702 sizeof (ieee_symbol_type));
703 if (!new_symbol)
704 return NULL;
706 new_symbol->index = new_index;
707 last_index = new_index;
708 (*symbol_count)++;
709 **pptr = new_symbol;
710 *pptr = &new_symbol->next;
711 if (new_index > *max_index)
713 *max_index = new_index;
715 last_type = this_type;
716 new_symbol->symbol.section = bfd_abs_section_ptr;
717 return new_symbol;
719 return last_symbol;
722 static boolean
723 ieee_slurp_external_symbols (abfd)
724 bfd *abfd;
726 ieee_data_type *ieee = IEEE_DATA (abfd);
727 file_ptr offset = ieee->w.r.external_part;
729 ieee_symbol_type **prev_symbols_ptr = &ieee->external_symbols;
730 ieee_symbol_type **prev_reference_ptr = &ieee->external_reference;
731 ieee_symbol_type *symbol = (ieee_symbol_type *) NULL;
732 unsigned int symbol_count = 0;
733 boolean loop = true;
734 last_index = 0xffffff;
735 ieee->symbol_table_full = true;
737 ieee_seek (abfd, offset);
739 while (loop)
741 switch (this_byte (&(ieee->h)))
743 case ieee_nn_record:
744 next_byte (&(ieee->h));
746 symbol = get_symbol (abfd, ieee, symbol, &symbol_count,
747 &prev_symbols_ptr,
748 &ieee->external_symbol_max_index, 'I');
749 if (symbol == NULL)
750 return false;
752 symbol->symbol.the_bfd = abfd;
753 symbol->symbol.name = read_id (&(ieee->h));
754 symbol->symbol.udata.p = (PTR) NULL;
755 symbol->symbol.flags = BSF_NO_FLAGS;
756 break;
757 case ieee_external_symbol_enum:
758 next_byte (&(ieee->h));
760 symbol = get_symbol (abfd, ieee, symbol, &symbol_count,
761 &prev_symbols_ptr,
762 &ieee->external_symbol_max_index, 'D');
763 if (symbol == NULL)
764 return false;
766 BFD_ASSERT (symbol->index >= ieee->external_symbol_min_index);
768 symbol->symbol.the_bfd = abfd;
769 symbol->symbol.name = read_id (&(ieee->h));
770 symbol->symbol.udata.p = (PTR) NULL;
771 symbol->symbol.flags = BSF_NO_FLAGS;
772 break;
773 case ieee_attribute_record_enum >> 8:
775 unsigned int symbol_name_index;
776 unsigned int symbol_type_index;
777 unsigned int symbol_attribute_def;
778 bfd_vma value;
779 switch (read_2bytes (ieee))
781 case ieee_attribute_record_enum:
782 symbol_name_index = must_parse_int (&(ieee->h));
783 symbol_type_index = must_parse_int (&(ieee->h));
784 symbol_attribute_def = must_parse_int (&(ieee->h));
785 switch (symbol_attribute_def)
787 case 8:
788 case 19:
789 parse_int (&ieee->h, &value);
790 break;
791 default:
792 (*_bfd_error_handler)
793 (_("%s: unimplemented ATI record %u for symbol %u"),
794 bfd_get_filename (abfd), symbol_attribute_def,
795 symbol_name_index);
796 bfd_set_error (bfd_error_bad_value);
797 return false;
798 break;
800 break;
801 case ieee_external_reference_info_record_enum:
802 /* Skip over ATX record. */
803 parse_int (&(ieee->h), &value);
804 parse_int (&(ieee->h), &value);
805 parse_int (&(ieee->h), &value);
806 parse_int (&(ieee->h), &value);
807 break;
808 case ieee_atn_record_enum:
809 /* We may get call optimization information here,
810 which we just ignore. The format is
811 {$F1}${CE}{index}{$00}{$3F}{$3F}{#_of_ASNs} */
812 parse_int (&ieee->h, &value);
813 parse_int (&ieee->h, &value);
814 parse_int (&ieee->h, &value);
815 if (value != 0x3f)
817 (*_bfd_error_handler)
818 (_("%s: unexpected ATN type %d in external part"),
819 bfd_get_filename (abfd), (int) value);
820 bfd_set_error (bfd_error_bad_value);
821 return false;
823 parse_int (&ieee->h, &value);
824 parse_int (&ieee->h, &value);
825 while (value > 0)
827 bfd_vma val1;
829 --value;
831 switch (read_2bytes (ieee))
833 case ieee_asn_record_enum:
834 parse_int (&ieee->h, &val1);
835 parse_int (&ieee->h, &val1);
836 break;
838 default:
839 (*_bfd_error_handler)
840 (_("%s: unexpected type after ATN"),
841 bfd_get_filename (abfd));
842 bfd_set_error (bfd_error_bad_value);
843 return false;
848 break;
849 case ieee_value_record_enum >> 8:
851 unsigned int symbol_name_index;
852 ieee_symbol_index_type symbol_ignore;
853 boolean pcrel_ignore;
854 unsigned int extra;
855 next_byte (&(ieee->h));
856 next_byte (&(ieee->h));
858 symbol_name_index = must_parse_int (&(ieee->h));
859 parse_expression (ieee,
860 &symbol->symbol.value,
861 &symbol_ignore,
862 &pcrel_ignore,
863 &extra,
864 &symbol->symbol.section);
866 /* Fully linked IEEE-695 files tend to give every symbol
867 an absolute value. Try to convert that back into a
868 section relative value. FIXME: This won't always to
869 the right thing. */
870 if (bfd_is_abs_section (symbol->symbol.section)
871 && (abfd->flags & HAS_RELOC) == 0)
873 bfd_vma val;
874 asection *s;
876 val = symbol->symbol.value;
877 for (s = abfd->sections; s != NULL; s = s->next)
879 if (val >= s->vma && val < s->vma + s->_raw_size)
881 symbol->symbol.section = s;
882 symbol->symbol.value -= s->vma;
883 break;
888 symbol->symbol.flags = BSF_GLOBAL | BSF_EXPORT;
891 break;
892 case ieee_weak_external_reference_enum:
894 bfd_vma size;
895 bfd_vma value;
896 next_byte (&(ieee->h));
897 /* Throw away the external reference index */
898 (void) must_parse_int (&(ieee->h));
899 /* Fetch the default size if not resolved */
900 size = must_parse_int (&(ieee->h));
901 /* Fetch the defautlt value if available */
902 if (parse_int (&(ieee->h), &value) == false)
904 value = 0;
906 /* This turns into a common */
907 symbol->symbol.section = bfd_com_section_ptr;
908 symbol->symbol.value = size;
910 break;
912 case ieee_external_reference_enum:
913 next_byte (&(ieee->h));
915 symbol = get_symbol (abfd, ieee, symbol, &symbol_count,
916 &prev_reference_ptr,
917 &ieee->external_reference_max_index, 'X');
918 if (symbol == NULL)
919 return false;
921 symbol->symbol.the_bfd = abfd;
922 symbol->symbol.name = read_id (&(ieee->h));
923 symbol->symbol.udata.p = (PTR) NULL;
924 symbol->symbol.section = bfd_und_section_ptr;
925 symbol->symbol.value = (bfd_vma) 0;
926 symbol->symbol.flags = 0;
928 BFD_ASSERT (symbol->index >= ieee->external_reference_min_index);
929 break;
931 default:
932 loop = false;
936 if (ieee->external_symbol_max_index != 0)
938 ieee->external_symbol_count =
939 ieee->external_symbol_max_index -
940 ieee->external_symbol_min_index + 1;
942 else
944 ieee->external_symbol_count = 0;
947 if (ieee->external_reference_max_index != 0)
949 ieee->external_reference_count =
950 ieee->external_reference_max_index -
951 ieee->external_reference_min_index + 1;
953 else
955 ieee->external_reference_count = 0;
958 abfd->symcount =
959 ieee->external_reference_count + ieee->external_symbol_count;
961 if (symbol_count != abfd->symcount)
963 /* There are gaps in the table -- */
964 ieee->symbol_table_full = false;
967 *prev_symbols_ptr = (ieee_symbol_type *) NULL;
968 *prev_reference_ptr = (ieee_symbol_type *) NULL;
970 return true;
973 static boolean
974 ieee_slurp_symbol_table (abfd)
975 bfd *abfd;
977 if (IEEE_DATA (abfd)->read_symbols == false)
979 if (! ieee_slurp_external_symbols (abfd))
980 return false;
981 IEEE_DATA (abfd)->read_symbols = true;
983 return true;
986 long
987 ieee_get_symtab_upper_bound (abfd)
988 bfd *abfd;
990 if (! ieee_slurp_symbol_table (abfd))
991 return -1;
993 return (abfd->symcount != 0) ?
994 (abfd->symcount + 1) * (sizeof (ieee_symbol_type *)) : 0;
998 Move from our internal lists to the canon table, and insert in
999 symbol index order
1002 extern const bfd_target ieee_vec;
1004 long
1005 ieee_get_symtab (abfd, location)
1006 bfd *abfd;
1007 asymbol **location;
1009 ieee_symbol_type *symp;
1010 static bfd dummy_bfd;
1011 static asymbol empty_symbol =
1013 &dummy_bfd,
1014 " ieee empty",
1015 (symvalue) 0,
1016 BSF_DEBUGGING,
1017 bfd_abs_section_ptr
1018 #ifdef __STDC__
1019 /* K&R compilers can't initialise unions. */
1020 , { 0 }
1021 #endif
1024 if (abfd->symcount)
1026 ieee_data_type *ieee = IEEE_DATA (abfd);
1027 dummy_bfd.xvec = &ieee_vec;
1028 if (! ieee_slurp_symbol_table (abfd))
1029 return -1;
1031 if (ieee->symbol_table_full == false)
1033 /* Arrgh - there are gaps in the table, run through and fill them */
1034 /* up with pointers to a null place */
1035 unsigned int i;
1036 for (i = 0; i < abfd->symcount; i++)
1038 location[i] = &empty_symbol;
1042 ieee->external_symbol_base_offset = -ieee->external_symbol_min_index;
1043 for (symp = IEEE_DATA (abfd)->external_symbols;
1044 symp != (ieee_symbol_type *) NULL;
1045 symp = symp->next)
1047 /* Place into table at correct index locations */
1048 location[symp->index + ieee->external_symbol_base_offset] = &symp->symbol;
1051 /* The external refs are indexed in a bit */
1052 ieee->external_reference_base_offset =
1053 -ieee->external_reference_min_index + ieee->external_symbol_count;
1055 for (symp = IEEE_DATA (abfd)->external_reference;
1056 symp != (ieee_symbol_type *) NULL;
1057 symp = symp->next)
1059 location[symp->index + ieee->external_reference_base_offset] =
1060 &symp->symbol;
1064 if (abfd->symcount)
1066 location[abfd->symcount] = (asymbol *) NULL;
1068 return abfd->symcount;
1071 static asection *
1072 get_section_entry (abfd, ieee, index)
1073 bfd *abfd;
1074 ieee_data_type *ieee;
1075 unsigned int index;
1077 if (index >= ieee->section_table_size)
1079 unsigned int c, i;
1080 asection **n;
1082 c = ieee->section_table_size;
1083 if (c == 0)
1084 c = 20;
1085 while (c <= index)
1086 c *= 2;
1088 n = ((asection **)
1089 bfd_realloc (ieee->section_table, c * sizeof (asection *)));
1090 if (n == NULL)
1091 return NULL;
1093 for (i = ieee->section_table_size; i < c; i++)
1094 n[i] = NULL;
1096 ieee->section_table = n;
1097 ieee->section_table_size = c;
1100 if (ieee->section_table[index] == (asection *) NULL)
1102 char *tmp = bfd_alloc (abfd, 11);
1103 asection *section;
1105 if (!tmp)
1106 return NULL;
1107 sprintf (tmp, " fsec%4d", index);
1108 section = bfd_make_section (abfd, tmp);
1109 ieee->section_table[index] = section;
1110 section->flags = SEC_NO_FLAGS;
1111 section->target_index = index;
1112 ieee->section_table[index] = section;
1114 return ieee->section_table[index];
1117 static void
1118 ieee_slurp_sections (abfd)
1119 bfd *abfd;
1121 ieee_data_type *ieee = IEEE_DATA (abfd);
1122 file_ptr offset = ieee->w.r.section_part;
1123 asection *section = (asection *) NULL;
1124 char *name;
1126 if (offset != 0)
1128 bfd_byte section_type[3];
1129 ieee_seek (abfd, offset);
1130 while (true)
1132 switch (this_byte (&(ieee->h)))
1134 case ieee_section_type_enum:
1136 unsigned int section_index;
1137 next_byte (&(ieee->h));
1138 section_index = must_parse_int (&(ieee->h));
1140 section = get_section_entry (abfd, ieee, section_index);
1142 section_type[0] = this_byte_and_next (&(ieee->h));
1144 /* Set minimal section attributes. Attributes are
1145 extended later, based on section contents. */
1147 switch (section_type[0])
1149 case 0xC1:
1150 /* Normal attributes for absolute sections */
1151 section_type[1] = this_byte (&(ieee->h));
1152 section->flags = SEC_ALLOC;
1153 switch (section_type[1])
1155 case 0xD3: /* AS Absolute section attributes */
1156 next_byte (&(ieee->h));
1157 section_type[2] = this_byte (&(ieee->h));
1158 switch (section_type[2])
1160 case 0xD0:
1161 /* Normal code */
1162 next_byte (&(ieee->h));
1163 section->flags |= SEC_CODE;
1164 break;
1165 case 0xC4:
1166 /* Normal data */
1167 next_byte (&(ieee->h));
1168 section->flags |= SEC_DATA;
1169 break;
1170 case 0xD2:
1171 next_byte (&(ieee->h));
1172 /* Normal rom data */
1173 section->flags |= SEC_ROM | SEC_DATA;
1174 break;
1175 default:
1176 break;
1179 break;
1180 case 0xC3: /* Named relocatable sections (type C) */
1181 section_type[1] = this_byte (&(ieee->h));
1182 section->flags = SEC_ALLOC;
1183 switch (section_type[1])
1185 case 0xD0: /* Normal code (CP) */
1186 next_byte (&(ieee->h));
1187 section->flags |= SEC_CODE;
1188 break;
1189 case 0xC4: /* Normal data (CD) */
1190 next_byte (&(ieee->h));
1191 section->flags |= SEC_DATA;
1192 break;
1193 case 0xD2: /* Normal rom data (CR) */
1194 next_byte (&(ieee->h));
1195 section->flags |= SEC_ROM | SEC_DATA;
1196 break;
1197 default:
1198 break;
1202 /* Read section name, use it if non empty. */
1203 name = read_id (&ieee->h);
1204 if (name[0])
1205 section->name = name;
1207 /* Skip these fields, which we don't care about */
1209 bfd_vma parent, brother, context;
1210 parse_int (&(ieee->h), &parent);
1211 parse_int (&(ieee->h), &brother);
1212 parse_int (&(ieee->h), &context);
1215 break;
1216 case ieee_section_alignment_enum:
1218 unsigned int section_index;
1219 bfd_vma value;
1220 asection *section;
1221 next_byte (&(ieee->h));
1222 section_index = must_parse_int (&ieee->h);
1223 section = get_section_entry (abfd, ieee, section_index);
1224 if (section_index > ieee->section_count)
1226 ieee->section_count = section_index;
1228 section->alignment_power =
1229 bfd_log2 (must_parse_int (&ieee->h));
1230 (void) parse_int (&(ieee->h), &value);
1232 break;
1233 case ieee_e2_first_byte_enum:
1235 ieee_record_enum_type t = (ieee_record_enum_type) (read_2bytes (&(ieee->h)));
1237 switch (t)
1239 case ieee_section_size_enum:
1240 section = ieee->section_table[must_parse_int (&(ieee->h))];
1241 section->_raw_size = must_parse_int (&(ieee->h));
1242 break;
1243 case ieee_physical_region_size_enum:
1244 section = ieee->section_table[must_parse_int (&(ieee->h))];
1245 section->_raw_size = must_parse_int (&(ieee->h));
1246 break;
1247 case ieee_region_base_address_enum:
1248 section = ieee->section_table[must_parse_int (&(ieee->h))];
1249 section->vma = must_parse_int (&(ieee->h));
1250 section->lma = section->vma;
1251 break;
1252 case ieee_mau_size_enum:
1253 must_parse_int (&(ieee->h));
1254 must_parse_int (&(ieee->h));
1255 break;
1256 case ieee_m_value_enum:
1257 must_parse_int (&(ieee->h));
1258 must_parse_int (&(ieee->h));
1259 break;
1260 case ieee_section_base_address_enum:
1261 section = ieee->section_table[must_parse_int (&(ieee->h))];
1262 section->vma = must_parse_int (&(ieee->h));
1263 section->lma = section->vma;
1264 break;
1265 case ieee_section_offset_enum:
1266 (void) must_parse_int (&(ieee->h));
1267 (void) must_parse_int (&(ieee->h));
1268 break;
1269 default:
1270 return;
1273 break;
1274 default:
1275 return;
1281 /* Make a section for the debugging information, if any. We don't try
1282 to interpret the debugging information; we just point the section
1283 at the area in the file so that program which understand can dig it
1284 out. */
1286 static boolean
1287 ieee_slurp_debug (abfd)
1288 bfd *abfd;
1290 ieee_data_type *ieee = IEEE_DATA (abfd);
1291 asection *sec;
1292 file_ptr debug_end;
1294 if (ieee->w.r.debug_information_part == 0)
1295 return true;
1297 sec = bfd_make_section (abfd, ".debug");
1298 if (sec == NULL)
1299 return false;
1300 sec->flags |= SEC_DEBUGGING | SEC_HAS_CONTENTS;
1301 sec->filepos = ieee->w.r.debug_information_part;
1303 debug_end = ieee->w.r.data_part;
1304 if (debug_end == 0)
1305 debug_end = ieee->w.r.trailer_part;
1306 if (debug_end == 0)
1307 debug_end = ieee->w.r.me_record;
1308 sec->_raw_size = debug_end - ieee->w.r.debug_information_part;
1310 return true;
1313 /***********************************************************************
1314 * archive stuff
1317 const bfd_target *
1318 ieee_archive_p (abfd)
1319 bfd *abfd;
1321 char *library;
1322 unsigned int i;
1323 unsigned char buffer[512];
1324 file_ptr buffer_offset = 0;
1325 ieee_ar_data_type *save = abfd->tdata.ieee_ar_data;
1326 ieee_ar_data_type *ieee;
1327 unsigned int alc_elts;
1328 ieee_ar_obstack_type *elts = NULL;
1330 abfd->tdata.ieee_ar_data =
1331 (ieee_ar_data_type *) bfd_alloc (abfd, sizeof (ieee_ar_data_type));
1332 if (!abfd->tdata.ieee_ar_data)
1333 goto error_return;
1334 ieee = IEEE_AR_DATA (abfd);
1336 /* FIXME: Check return value. I'm not sure whether it needs to read
1337 the entire buffer or not. */
1338 bfd_read ((PTR) buffer, 1, sizeof (buffer), abfd);
1340 ieee->h.first_byte = buffer;
1341 ieee->h.input_p = buffer;
1343 ieee->h.abfd = abfd;
1345 if (this_byte (&(ieee->h)) != Module_Beginning)
1347 abfd->tdata.ieee_ar_data = save;
1348 goto got_wrong_format_error;
1351 next_byte (&(ieee->h));
1352 library = read_id (&(ieee->h));
1353 if (strcmp (library, "LIBRARY") != 0)
1355 bfd_release (abfd, ieee);
1356 abfd->tdata.ieee_ar_data = save;
1357 goto got_wrong_format_error;
1359 /* Throw away the filename */
1360 read_id (&(ieee->h));
1362 ieee->element_count = 0;
1363 ieee->element_index = 0;
1365 next_byte (&(ieee->h)); /* Drop the ad part */
1366 must_parse_int (&(ieee->h)); /* And the two dummy numbers */
1367 must_parse_int (&(ieee->h));
1369 alc_elts = 10;
1370 elts = (ieee_ar_obstack_type *) bfd_malloc (alc_elts * sizeof *elts);
1371 if (elts == NULL)
1372 goto error_return;
1374 /* Read the index of the BB table */
1375 while (1)
1377 int rec;
1378 ieee_ar_obstack_type *t;
1380 rec = read_2bytes (&(ieee->h));
1381 if (rec != (int) ieee_assign_value_to_variable_enum)
1382 break;
1384 if (ieee->element_count >= alc_elts)
1386 ieee_ar_obstack_type *n;
1388 alc_elts *= 2;
1389 n = ((ieee_ar_obstack_type *)
1390 bfd_realloc (elts, alc_elts * sizeof *elts));
1391 if (n == NULL)
1392 goto error_return;
1393 elts = n;
1396 t = &elts[ieee->element_count];
1397 ieee->element_count++;
1399 must_parse_int (&(ieee->h));
1400 t->file_offset = must_parse_int (&(ieee->h));
1401 t->abfd = (bfd *) NULL;
1403 /* Make sure that we don't go over the end of the buffer */
1405 if ((size_t) ieee_pos (abfd) > sizeof (buffer) / 2)
1407 /* Past half way, reseek and reprime */
1408 buffer_offset += ieee_pos (abfd);
1409 if (bfd_seek (abfd, buffer_offset, SEEK_SET) != 0)
1410 goto error_return;
1411 /* FIXME: Check return value. I'm not sure whether it needs
1412 to read the entire buffer or not. */
1413 bfd_read ((PTR) buffer, 1, sizeof (buffer), abfd);
1414 ieee->h.first_byte = buffer;
1415 ieee->h.input_p = buffer;
1419 ieee->elements = ((ieee_ar_obstack_type *)
1420 bfd_alloc (abfd,
1421 ieee->element_count * sizeof *ieee->elements));
1422 if (ieee->elements == NULL)
1423 goto error_return;
1424 memcpy (ieee->elements, elts,
1425 ieee->element_count * sizeof *ieee->elements);
1426 free (elts);
1427 elts = NULL;
1429 /* Now scan the area again, and replace BB offsets with file */
1430 /* offsets */
1432 for (i = 2; i < ieee->element_count; i++)
1434 if (bfd_seek (abfd, ieee->elements[i].file_offset, SEEK_SET) != 0)
1435 goto error_return;
1436 /* FIXME: Check return value. I'm not sure whether it needs to
1437 read the entire buffer or not. */
1438 bfd_read ((PTR) buffer, 1, sizeof (buffer), abfd);
1439 ieee->h.first_byte = buffer;
1440 ieee->h.input_p = buffer;
1442 next_byte (&(ieee->h)); /* Drop F8 */
1443 next_byte (&(ieee->h)); /* Drop 14 */
1444 must_parse_int (&(ieee->h)); /* Drop size of block */
1445 if (must_parse_int (&(ieee->h)) != 0)
1447 /* This object has been deleted */
1448 ieee->elements[i].file_offset = 0;
1450 else
1452 ieee->elements[i].file_offset = must_parse_int (&(ieee->h));
1456 /* abfd->has_armap = ;*/
1458 return abfd->xvec;
1460 got_wrong_format_error:
1461 bfd_set_error (bfd_error_wrong_format);
1462 error_return:
1463 if (elts != NULL)
1464 free (elts);
1465 return NULL;
1468 static boolean
1469 ieee_mkobject (abfd)
1470 bfd *abfd;
1472 abfd->tdata.ieee_data = (ieee_data_type *) bfd_zalloc (abfd, sizeof (ieee_data_type));
1473 return abfd->tdata.ieee_data ? true : false;
1476 const bfd_target *
1477 ieee_object_p (abfd)
1478 bfd *abfd;
1480 char *processor;
1481 unsigned int part;
1482 ieee_data_type *ieee;
1483 unsigned char buffer[300];
1484 ieee_data_type *save = IEEE_DATA (abfd);
1486 abfd->tdata.ieee_data = 0;
1487 ieee_mkobject (abfd);
1489 ieee = IEEE_DATA (abfd);
1490 if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
1491 goto fail;
1492 /* Read the first few bytes in to see if it makes sense */
1493 /* FIXME: Check return value. I'm not sure whether it needs to read
1494 the entire buffer or not. */
1495 bfd_read ((PTR) buffer, 1, sizeof (buffer), abfd);
1497 ieee->h.input_p = buffer;
1498 if (this_byte_and_next (&(ieee->h)) != Module_Beginning)
1499 goto got_wrong_format;
1501 ieee->read_symbols = false;
1502 ieee->read_data = false;
1503 ieee->section_count = 0;
1504 ieee->external_symbol_max_index = 0;
1505 ieee->external_symbol_min_index = IEEE_PUBLIC_BASE;
1506 ieee->external_reference_min_index = IEEE_REFERENCE_BASE;
1507 ieee->external_reference_max_index = 0;
1508 ieee->h.abfd = abfd;
1509 ieee->section_table = NULL;
1510 ieee->section_table_size = 0;
1512 processor = ieee->mb.processor = read_id (&(ieee->h));
1513 if (strcmp (processor, "LIBRARY") == 0)
1514 goto got_wrong_format;
1515 ieee->mb.module_name = read_id (&(ieee->h));
1516 if (abfd->filename == (CONST char *) NULL)
1518 abfd->filename = ieee->mb.module_name;
1520 /* Determine the architecture and machine type of the object file.
1523 const bfd_arch_info_type *arch;
1524 char family[10];
1526 /* IEEE does not specify the format of the processor identificaton
1527 string, so the compiler is free to put in it whatever it wants.
1528 We try here to recognize different processors belonging to the
1529 m68k family. Code for other processors can be added here. */
1530 if ((processor[0] == '6') && (processor[1] == '8'))
1532 if (processor[2] == '3') /* 683xx integrated processors */
1534 switch (processor[3])
1536 case '0': /* 68302, 68306, 68307 */
1537 case '2': /* 68322, 68328 */
1538 case '5': /* 68356 */
1539 strcpy (family, "68000"); /* MC68000-based controllers */
1540 break;
1542 case '3': /* 68330, 68331, 68332, 68333,
1543 68334, 68335, 68336, 68338 */
1544 case '6': /* 68360 */
1545 case '7': /* 68376 */
1546 strcpy (family, "68332"); /* CPU32 and CPU32+ */
1547 break;
1549 case '4':
1550 if (processor[4] == '9') /* 68349 */
1551 strcpy (family, "68030"); /* CPU030 */
1552 else /* 68340, 68341 */
1553 strcpy (family, "68332"); /* CPU32 and CPU32+ */
1554 break;
1556 default: /* Does not exist yet */
1557 strcpy (family, "68332"); /* Guess it will be CPU32 */
1560 else if (toupper (processor[3]) == 'F') /* 68F333 */
1561 strcpy (family, "68332"); /* CPU32 */
1562 else if ((toupper (processor[3]) == 'C') /* Embedded controllers */
1563 && ((toupper (processor[2]) == 'E')
1564 || (toupper (processor[2]) == 'H')
1565 || (toupper (processor[2]) == 'L')))
1567 strcpy (family, "68");
1568 strncat (family, processor + 4, 7);
1569 family[9] = '\0';
1571 else /* "Regular" processors */
1573 strncpy (family, processor, 9);
1574 family[9] = '\0';
1577 else if ((strncmp (processor, "cpu32", 5) == 0) /* CPU32 and CPU32+ */
1578 || (strncmp (processor, "CPU32", 5) == 0))
1579 strcpy (family, "68332");
1580 else
1582 strncpy (family, processor, 9);
1583 family[9] = '\0';
1586 arch = bfd_scan_arch (family);
1587 if (arch == 0)
1588 goto got_wrong_format;
1589 abfd->arch_info = arch;
1592 if (this_byte (&(ieee->h)) != (int) ieee_address_descriptor_enum)
1594 goto fail;
1596 next_byte (&(ieee->h));
1598 if (parse_int (&(ieee->h), &ieee->ad.number_of_bits_mau) == false)
1600 goto fail;
1602 if (parse_int (&(ieee->h), &ieee->ad.number_of_maus_in_address) == false)
1604 goto fail;
1607 /* If there is a byte order info, take it */
1608 if (this_byte (&(ieee->h)) == (int) ieee_variable_L_enum ||
1609 this_byte (&(ieee->h)) == (int) ieee_variable_M_enum)
1610 next_byte (&(ieee->h));
1612 for (part = 0; part < N_W_VARIABLES; part++)
1614 boolean ok;
1615 if (read_2bytes (&(ieee->h)) != (int) ieee_assign_value_to_variable_enum)
1617 goto fail;
1619 if (this_byte_and_next (&(ieee->h)) != part)
1621 goto fail;
1624 ieee->w.offset[part] = parse_i (&(ieee->h), &ok);
1625 if (ok == false)
1627 goto fail;
1632 if (ieee->w.r.external_part != 0)
1633 abfd->flags = HAS_SYMS;
1635 /* By now we know that this is a real IEEE file, we're going to read
1636 the whole thing into memory so that we can run up and down it
1637 quickly. We can work out how big the file is from the trailer
1638 record */
1640 IEEE_DATA (abfd)->h.first_byte =
1641 (unsigned char *) bfd_alloc (ieee->h.abfd, ieee->w.r.me_record + 1);
1642 if (!IEEE_DATA (abfd)->h.first_byte)
1643 goto fail;
1644 if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
1645 goto fail;
1646 /* FIXME: Check return value. I'm not sure whether it needs to read
1647 the entire buffer or not. */
1648 bfd_read ((PTR) (IEEE_DATA (abfd)->h.first_byte), 1,
1649 ieee->w.r.me_record + 1, abfd);
1651 ieee_slurp_sections (abfd);
1653 if (! ieee_slurp_debug (abfd))
1654 goto fail;
1656 /* Parse section data to activate file and section flags implied by
1657 section contents. */
1659 if (! ieee_slurp_section_data (abfd))
1660 goto fail;
1662 return abfd->xvec;
1663 got_wrong_format:
1664 bfd_set_error (bfd_error_wrong_format);
1665 fail:
1666 (void) bfd_release (abfd, ieee);
1667 abfd->tdata.ieee_data = save;
1668 return (const bfd_target *) NULL;
1671 void
1672 ieee_get_symbol_info (ignore_abfd, symbol, ret)
1673 bfd *ignore_abfd ATTRIBUTE_UNUSED;
1674 asymbol *symbol;
1675 symbol_info *ret;
1677 bfd_symbol_info (symbol, ret);
1678 if (symbol->name[0] == ' ')
1679 ret->name = "* empty table entry ";
1680 if (!symbol->section)
1681 ret->type = (symbol->flags & BSF_LOCAL) ? 'a' : 'A';
1684 void
1685 ieee_print_symbol (ignore_abfd, afile, symbol, how)
1686 bfd *ignore_abfd ATTRIBUTE_UNUSED;
1687 PTR afile;
1688 asymbol *symbol;
1689 bfd_print_symbol_type how;
1691 FILE *file = (FILE *) afile;
1693 switch (how)
1695 case bfd_print_symbol_name:
1696 fprintf (file, "%s", symbol->name);
1697 break;
1698 case bfd_print_symbol_more:
1699 #if 0
1700 fprintf (file, "%4x %2x", aout_symbol (symbol)->desc & 0xffff,
1701 aout_symbol (symbol)->other & 0xff);
1702 #endif
1703 BFD_FAIL ();
1704 break;
1705 case bfd_print_symbol_all:
1707 const char *section_name =
1708 (symbol->section == (asection *) NULL
1709 ? "*abs"
1710 : symbol->section->name);
1711 if (symbol->name[0] == ' ')
1713 fprintf (file, "* empty table entry ");
1715 else
1717 bfd_print_symbol_vandf ((PTR) file, symbol);
1719 fprintf (file, " %-5s %04x %02x %s",
1720 section_name,
1721 (unsigned) ieee_symbol (symbol)->index,
1722 (unsigned) 0,
1723 symbol->name);
1726 break;
1730 static boolean
1731 do_one (ieee, current_map, location_ptr, s, iterations)
1732 ieee_data_type *ieee;
1733 ieee_per_section_type *current_map;
1734 unsigned char *location_ptr;
1735 asection *s;
1736 int iterations;
1738 switch (this_byte (&(ieee->h)))
1740 case ieee_load_constant_bytes_enum:
1742 unsigned int number_of_maus;
1743 unsigned int i;
1744 next_byte (&(ieee->h));
1745 number_of_maus = must_parse_int (&(ieee->h));
1747 for (i = 0; i < number_of_maus; i++)
1749 location_ptr[current_map->pc++] = this_byte (&(ieee->h));
1750 next_byte (&(ieee->h));
1753 break;
1755 case ieee_load_with_relocation_enum:
1757 boolean loop = true;
1758 next_byte (&(ieee->h));
1759 while (loop)
1761 switch (this_byte (&(ieee->h)))
1763 case ieee_variable_R_enum:
1765 case ieee_function_signed_open_b_enum:
1766 case ieee_function_unsigned_open_b_enum:
1767 case ieee_function_either_open_b_enum:
1769 unsigned int extra = 4;
1770 boolean pcrel = false;
1771 asection *section;
1772 ieee_reloc_type *r =
1773 (ieee_reloc_type *) bfd_alloc (ieee->h.abfd,
1774 sizeof (ieee_reloc_type));
1775 if (!r)
1776 return false;
1778 *(current_map->reloc_tail_ptr) = r;
1779 current_map->reloc_tail_ptr = &r->next;
1780 r->next = (ieee_reloc_type *) NULL;
1781 next_byte (&(ieee->h));
1782 /* abort();*/
1783 r->relent.sym_ptr_ptr = 0;
1784 parse_expression (ieee,
1785 &r->relent.addend,
1786 &r->symbol,
1787 &pcrel, &extra, &section);
1788 r->relent.address = current_map->pc;
1789 s->flags |= SEC_RELOC;
1790 s->owner->flags |= HAS_RELOC;
1791 s->reloc_count++;
1792 if (r->relent.sym_ptr_ptr == NULL && section != NULL)
1793 r->relent.sym_ptr_ptr = section->symbol_ptr_ptr;
1795 if (this_byte (&(ieee->h)) == (int) ieee_comma)
1797 next_byte (&(ieee->h));
1798 /* Fetch number of bytes to pad */
1799 extra = must_parse_int (&(ieee->h));
1802 switch (this_byte (&(ieee->h)))
1804 case ieee_function_signed_close_b_enum:
1805 next_byte (&(ieee->h));
1806 break;
1807 case ieee_function_unsigned_close_b_enum:
1808 next_byte (&(ieee->h));
1809 break;
1810 case ieee_function_either_close_b_enum:
1811 next_byte (&(ieee->h));
1812 break;
1813 default:
1814 break;
1816 /* Build a relocation entry for this type */
1817 /* If pc rel then stick -ve pc into instruction
1818 and take out of reloc ..
1820 I've changed this. It's all too complicated. I
1821 keep 0 in the instruction now. */
1823 switch (extra)
1825 case 0:
1826 case 4:
1828 if (pcrel == true)
1830 #if KEEPMINUSPCININST
1831 bfd_put_32 (ieee->h.abfd, -current_map->pc, location_ptr +
1832 current_map->pc);
1833 r->relent.howto = &rel32_howto;
1834 r->relent.addend -=
1835 current_map->pc;
1836 #else
1837 bfd_put_32 (ieee->h.abfd, 0, location_ptr +
1838 current_map->pc);
1839 r->relent.howto = &rel32_howto;
1840 #endif
1842 else
1844 bfd_put_32 (ieee->h.abfd, 0, location_ptr +
1845 current_map->pc);
1846 r->relent.howto = &abs32_howto;
1848 current_map->pc += 4;
1849 break;
1850 case 2:
1851 if (pcrel == true)
1853 #if KEEPMINUSPCININST
1854 bfd_put_16 (ieee->h.abfd, (int) (-current_map->pc), location_ptr + current_map->pc);
1855 r->relent.addend -= current_map->pc;
1856 r->relent.howto = &rel16_howto;
1857 #else
1859 bfd_put_16 (ieee->h.abfd, 0, location_ptr + current_map->pc);
1860 r->relent.howto = &rel16_howto;
1861 #endif
1864 else
1866 bfd_put_16 (ieee->h.abfd, 0, location_ptr + current_map->pc);
1867 r->relent.howto = &abs16_howto;
1869 current_map->pc += 2;
1870 break;
1871 case 1:
1872 if (pcrel == true)
1874 #if KEEPMINUSPCININST
1875 bfd_put_8 (ieee->h.abfd, (int) (-current_map->pc), location_ptr + current_map->pc);
1876 r->relent.addend -= current_map->pc;
1877 r->relent.howto = &rel8_howto;
1878 #else
1879 bfd_put_8 (ieee->h.abfd, 0, location_ptr + current_map->pc);
1880 r->relent.howto = &rel8_howto;
1881 #endif
1883 else
1885 bfd_put_8 (ieee->h.abfd, 0, location_ptr + current_map->pc);
1886 r->relent.howto = &abs8_howto;
1888 current_map->pc += 1;
1889 break;
1891 default:
1892 BFD_FAIL ();
1893 return false;
1896 break;
1897 default:
1899 bfd_vma this_size;
1900 if (parse_int (&(ieee->h), &this_size) == true)
1902 unsigned int i;
1903 for (i = 0; i < this_size; i++)
1905 location_ptr[current_map->pc++] = this_byte (&(ieee->h));
1906 next_byte (&(ieee->h));
1909 else
1911 loop = false;
1916 /* Prevent more than the first load-item of an LR record
1917 from being repeated (MRI convention). */
1918 if (iterations != 1)
1919 loop = false;
1923 return true;
1926 /* Read in all the section data and relocation stuff too */
1927 static boolean
1928 ieee_slurp_section_data (abfd)
1929 bfd *abfd;
1931 bfd_byte *location_ptr = (bfd_byte *) NULL;
1932 ieee_data_type *ieee = IEEE_DATA (abfd);
1933 unsigned int section_number;
1935 ieee_per_section_type *current_map = (ieee_per_section_type *) NULL;
1936 asection *s;
1937 /* Seek to the start of the data area */
1938 if (ieee->read_data == true)
1939 return true;
1940 ieee->read_data = true;
1941 ieee_seek (abfd, ieee->w.r.data_part);
1943 /* Allocate enough space for all the section contents */
1945 for (s = abfd->sections; s != (asection *) NULL; s = s->next)
1947 ieee_per_section_type *per = (ieee_per_section_type *) s->used_by_bfd;
1948 if ((s->flags & SEC_DEBUGGING) != 0)
1949 continue;
1950 per->data = (bfd_byte *) bfd_alloc (ieee->h.abfd, s->_raw_size);
1951 if (!per->data)
1952 return false;
1953 /*SUPPRESS 68*/
1954 per->reloc_tail_ptr =
1955 (ieee_reloc_type **) & (s->relocation);
1958 while (true)
1960 switch (this_byte (&(ieee->h)))
1962 /* IF we see anything strange then quit */
1963 default:
1964 return true;
1966 case ieee_set_current_section_enum:
1967 next_byte (&(ieee->h));
1968 section_number = must_parse_int (&(ieee->h));
1969 s = ieee->section_table[section_number];
1970 s->flags |= SEC_LOAD | SEC_HAS_CONTENTS;
1971 current_map = (ieee_per_section_type *) s->used_by_bfd;
1972 location_ptr = current_map->data - s->vma;
1973 /* The document I have says that Microtec's compilers reset */
1974 /* this after a sec section, even though the standard says not */
1975 /* to. SO .. */
1976 current_map->pc = s->vma;
1977 break;
1979 case ieee_e2_first_byte_enum:
1980 next_byte (&(ieee->h));
1981 switch (this_byte (&(ieee->h)))
1983 case ieee_set_current_pc_enum & 0xff:
1985 bfd_vma value;
1986 ieee_symbol_index_type symbol;
1987 unsigned int extra;
1988 boolean pcrel;
1989 next_byte (&(ieee->h));
1990 must_parse_int (&(ieee->h)); /* Thow away section #*/
1991 parse_expression (ieee, &value,
1992 &symbol,
1993 &pcrel, &extra,
1995 current_map->pc = value;
1996 BFD_ASSERT ((unsigned) (value - s->vma) <= s->_raw_size);
1998 break;
2000 case ieee_value_starting_address_enum & 0xff:
2001 next_byte (&(ieee->h));
2002 if (this_byte (&(ieee->h)) == ieee_function_either_open_b_enum)
2003 next_byte (&(ieee->h));
2004 abfd->start_address = must_parse_int (&(ieee->h));
2005 /* We've got to the end of the data now - */
2006 return true;
2007 default:
2008 BFD_FAIL ();
2009 return false;
2011 break;
2012 case ieee_repeat_data_enum:
2014 /* Repeat the following LD or LR n times - we do this by
2015 remembering the stream pointer before running it and
2016 resetting it and running it n times. We special case
2017 the repetition of a repeat_data/load_constant
2020 unsigned int iterations;
2021 unsigned char *start;
2022 next_byte (&(ieee->h));
2023 iterations = must_parse_int (&(ieee->h));
2024 start = ieee->h.input_p;
2025 if (start[0] == (int) ieee_load_constant_bytes_enum &&
2026 start[1] == 1)
2028 while (iterations != 0)
2030 location_ptr[current_map->pc++] = start[2];
2031 iterations--;
2033 next_byte (&(ieee->h));
2034 next_byte (&(ieee->h));
2035 next_byte (&(ieee->h));
2037 else
2039 while (iterations != 0)
2041 ieee->h.input_p = start;
2042 if (!do_one (ieee, current_map, location_ptr, s,
2043 iterations))
2044 return false;
2045 iterations--;
2049 break;
2050 case ieee_load_constant_bytes_enum:
2051 case ieee_load_with_relocation_enum:
2053 if (!do_one (ieee, current_map, location_ptr, s, 1))
2054 return false;
2060 boolean
2061 ieee_new_section_hook (abfd, newsect)
2062 bfd *abfd;
2063 asection *newsect;
2065 newsect->used_by_bfd = (PTR)
2066 bfd_alloc (abfd, sizeof (ieee_per_section_type));
2067 if (!newsect->used_by_bfd)
2068 return false;
2069 ieee_per_section (newsect)->data = (bfd_byte *) NULL;
2070 ieee_per_section (newsect)->section = newsect;
2071 return true;
2074 long
2075 ieee_get_reloc_upper_bound (abfd, asect)
2076 bfd *abfd;
2077 sec_ptr asect;
2079 if ((asect->flags & SEC_DEBUGGING) != 0)
2080 return 0;
2081 if (! ieee_slurp_section_data (abfd))
2082 return -1;
2083 return (asect->reloc_count + 1) * sizeof (arelent *);
2086 static boolean
2087 ieee_get_section_contents (abfd, section, location, offset, count)
2088 bfd *abfd;
2089 sec_ptr section;
2090 PTR location;
2091 file_ptr offset;
2092 bfd_size_type count;
2094 ieee_per_section_type *p = (ieee_per_section_type *) section->used_by_bfd;
2095 if ((section->flags & SEC_DEBUGGING) != 0)
2096 return _bfd_generic_get_section_contents (abfd, section, location,
2097 offset, count);
2098 ieee_slurp_section_data (abfd);
2099 (void) memcpy ((PTR) location, (PTR) (p->data + offset), (unsigned) count);
2100 return true;
2103 long
2104 ieee_canonicalize_reloc (abfd, section, relptr, symbols)
2105 bfd *abfd;
2106 sec_ptr section;
2107 arelent **relptr;
2108 asymbol **symbols;
2110 /* ieee_per_section_type *p = (ieee_per_section_type *) section->used_by_bfd;*/
2111 ieee_reloc_type *src = (ieee_reloc_type *) (section->relocation);
2112 ieee_data_type *ieee = IEEE_DATA (abfd);
2114 if ((section->flags & SEC_DEBUGGING) != 0)
2115 return 0;
2117 while (src != (ieee_reloc_type *) NULL)
2119 /* Work out which symbol to attach it this reloc to */
2120 switch (src->symbol.letter)
2122 case 'I':
2123 src->relent.sym_ptr_ptr =
2124 symbols + src->symbol.index + ieee->external_symbol_base_offset;
2125 break;
2126 case 'X':
2127 src->relent.sym_ptr_ptr =
2128 symbols + src->symbol.index + ieee->external_reference_base_offset;
2129 break;
2130 case 0:
2131 if (src->relent.sym_ptr_ptr != NULL)
2132 src->relent.sym_ptr_ptr =
2133 src->relent.sym_ptr_ptr[0]->section->symbol_ptr_ptr;
2134 break;
2135 default:
2137 BFD_FAIL ();
2139 *relptr++ = &src->relent;
2140 src = src->next;
2142 *relptr = (arelent *) NULL;
2143 return section->reloc_count;
2146 static int
2147 comp (ap, bp)
2148 CONST PTR ap;
2149 CONST PTR bp;
2151 arelent *a = *((arelent **) ap);
2152 arelent *b = *((arelent **) bp);
2153 return a->address - b->address;
2156 /* Write the section headers. */
2158 static boolean
2159 ieee_write_section_part (abfd)
2160 bfd *abfd;
2162 ieee_data_type *ieee = IEEE_DATA (abfd);
2163 asection *s;
2164 ieee->w.r.section_part = bfd_tell (abfd);
2165 for (s = abfd->sections; s != (asection *) NULL; s = s->next)
2167 if (! bfd_is_abs_section (s)
2168 && (s->flags & SEC_DEBUGGING) == 0)
2170 if (! ieee_write_byte (abfd, ieee_section_type_enum)
2171 || ! ieee_write_byte (abfd,
2172 (bfd_byte) (s->index
2173 + IEEE_SECTION_NUMBER_BASE)))
2174 return false;
2176 if (abfd->flags & EXEC_P)
2178 /* This image is executable, so output absolute sections */
2179 if (! ieee_write_byte (abfd, ieee_variable_A_enum)
2180 || ! ieee_write_byte (abfd, ieee_variable_S_enum))
2181 return false;
2183 else
2185 if (! ieee_write_byte (abfd, ieee_variable_C_enum))
2186 return false;
2189 switch (s->flags & (SEC_CODE | SEC_DATA | SEC_ROM))
2191 case SEC_CODE | SEC_LOAD:
2192 case SEC_CODE:
2193 if (! ieee_write_byte (abfd, ieee_variable_P_enum))
2194 return false;
2195 break;
2196 case SEC_DATA:
2197 default:
2198 if (! ieee_write_byte (abfd, ieee_variable_D_enum))
2199 return false;
2200 break;
2201 case SEC_ROM:
2202 case SEC_ROM | SEC_DATA:
2203 case SEC_ROM | SEC_LOAD:
2204 case SEC_ROM | SEC_DATA | SEC_LOAD:
2205 if (! ieee_write_byte (abfd, ieee_variable_R_enum))
2206 return false;
2210 if (! ieee_write_id (abfd, s->name))
2211 return false;
2212 #if 0
2213 ieee_write_int (abfd, 0); /* Parent */
2214 ieee_write_int (abfd, 0); /* Brother */
2215 ieee_write_int (abfd, 0); /* Context */
2216 #endif
2217 /* Alignment */
2218 if (! ieee_write_byte (abfd, ieee_section_alignment_enum)
2219 || ! ieee_write_byte (abfd,
2220 (bfd_byte) (s->index
2221 + IEEE_SECTION_NUMBER_BASE))
2222 || ! ieee_write_int (abfd, 1 << s->alignment_power))
2223 return false;
2225 /* Size */
2226 if (! ieee_write_2bytes (abfd, ieee_section_size_enum)
2227 || ! ieee_write_byte (abfd,
2228 (bfd_byte) (s->index
2229 + IEEE_SECTION_NUMBER_BASE))
2230 || ! ieee_write_int (abfd, s->_raw_size))
2231 return false;
2232 if (abfd->flags & EXEC_P)
2234 /* Relocateable sections don't have asl records */
2235 /* Vma */
2236 if (! ieee_write_2bytes (abfd, ieee_section_base_address_enum)
2237 || ! ieee_write_byte (abfd,
2238 ((bfd_byte)
2239 (s->index
2240 + IEEE_SECTION_NUMBER_BASE)))
2241 || ! ieee_write_int (abfd, s->lma))
2242 return false;
2247 return true;
2251 static boolean
2252 do_with_relocs (abfd, s)
2253 bfd *abfd;
2254 asection *s;
2256 unsigned int number_of_maus_in_address =
2257 bfd_arch_bits_per_address (abfd) / bfd_arch_bits_per_byte (abfd);
2258 unsigned int relocs_to_go = s->reloc_count;
2259 bfd_byte *stream = ieee_per_section (s)->data;
2260 arelent **p = s->orelocation;
2261 bfd_size_type current_byte_index = 0;
2263 qsort (s->orelocation,
2264 relocs_to_go,
2265 sizeof (arelent **),
2266 comp);
2268 /* Output the section preheader */
2269 if (! ieee_write_byte (abfd, ieee_set_current_section_enum)
2270 || ! ieee_write_byte (abfd,
2271 (bfd_byte) (s->index + IEEE_SECTION_NUMBER_BASE))
2272 || ! ieee_write_2bytes (abfd, ieee_set_current_pc_enum)
2273 || ! ieee_write_byte (abfd,
2274 (bfd_byte) (s->index + IEEE_SECTION_NUMBER_BASE)))
2275 return false;
2276 if ((abfd->flags & EXEC_P) != 0 && relocs_to_go == 0)
2278 if (! ieee_write_int (abfd, s->lma))
2279 return false;
2281 else
2283 if (! ieee_write_expression (abfd, 0, s->symbol, 0, 0))
2284 return false;
2287 if (relocs_to_go == 0)
2289 /* If there aren't any relocations then output the load constant
2290 byte opcode rather than the load with relocation opcode */
2292 while (current_byte_index < s->_raw_size)
2294 bfd_size_type run;
2295 unsigned int MAXRUN = 127;
2296 run = MAXRUN;
2297 if (run > s->_raw_size - current_byte_index)
2299 run = s->_raw_size - current_byte_index;
2302 if (run != 0)
2304 if (! ieee_write_byte (abfd, ieee_load_constant_bytes_enum))
2305 return false;
2306 /* Output a stream of bytes */
2307 if (! ieee_write_int (abfd, run))
2308 return false;
2309 if (bfd_write ((PTR) (stream + current_byte_index),
2311 run,
2312 abfd)
2313 != run)
2314 return false;
2315 current_byte_index += run;
2319 else
2321 if (! ieee_write_byte (abfd, ieee_load_with_relocation_enum))
2322 return false;
2324 /* Output the data stream as the longest sequence of bytes
2325 possible, allowing for the a reasonable packet size and
2326 relocation stuffs. */
2328 if ((PTR) stream == (PTR) NULL)
2330 /* Outputting a section without data, fill it up */
2331 stream = (unsigned char *) (bfd_alloc (abfd, s->_raw_size));
2332 if (!stream)
2333 return false;
2334 memset ((PTR) stream, 0, (size_t) s->_raw_size);
2336 while (current_byte_index < s->_raw_size)
2338 bfd_size_type run;
2339 unsigned int MAXRUN = 127;
2340 if (relocs_to_go)
2342 run = (*p)->address - current_byte_index;
2343 if (run > MAXRUN)
2344 run = MAXRUN;
2346 else
2348 run = MAXRUN;
2350 if (run > s->_raw_size - current_byte_index)
2352 run = s->_raw_size - current_byte_index;
2355 if (run != 0)
2357 /* Output a stream of bytes */
2358 if (! ieee_write_int (abfd, run))
2359 return false;
2360 if (bfd_write ((PTR) (stream + current_byte_index),
2362 run,
2363 abfd)
2364 != run)
2365 return false;
2366 current_byte_index += run;
2368 /* Output any relocations here */
2369 if (relocs_to_go && (*p) && (*p)->address == current_byte_index)
2371 while (relocs_to_go
2372 && (*p) && (*p)->address == current_byte_index)
2374 arelent *r = *p;
2375 bfd_signed_vma ov;
2377 #if 0
2378 if (r->howto->pc_relative)
2380 r->addend += current_byte_index;
2382 #endif
2384 switch (r->howto->size)
2386 case 2:
2388 ov = bfd_get_signed_32 (abfd,
2389 stream + current_byte_index);
2390 current_byte_index += 4;
2391 break;
2392 case 1:
2393 ov = bfd_get_signed_16 (abfd,
2394 stream + current_byte_index);
2395 current_byte_index += 2;
2396 break;
2397 case 0:
2398 ov = bfd_get_signed_8 (abfd,
2399 stream + current_byte_index);
2400 current_byte_index++;
2401 break;
2402 default:
2403 ov = 0;
2404 BFD_FAIL ();
2405 return false;
2408 ov &= r->howto->src_mask;
2410 if (r->howto->pc_relative
2411 && ! r->howto->pcrel_offset)
2412 ov += r->address;
2414 if (! ieee_write_byte (abfd,
2415 ieee_function_either_open_b_enum))
2416 return false;
2418 /* abort();*/
2420 if (r->sym_ptr_ptr != (asymbol **) NULL)
2422 if (! ieee_write_expression (abfd, r->addend + ov,
2423 *(r->sym_ptr_ptr),
2424 r->howto->pc_relative,
2425 s->index))
2426 return false;
2428 else
2430 if (! ieee_write_expression (abfd, r->addend + ov,
2431 (asymbol *) NULL,
2432 r->howto->pc_relative,
2433 s->index))
2434 return false;
2437 if (number_of_maus_in_address
2438 != bfd_get_reloc_size (r->howto))
2440 if (! ieee_write_int (abfd,
2441 bfd_get_reloc_size (r->howto)))
2442 return false;
2444 if (! ieee_write_byte (abfd,
2445 ieee_function_either_close_b_enum))
2446 return false;
2448 relocs_to_go--;
2449 p++;
2456 return true;
2459 /* If there are no relocations in the output section then we can be
2460 clever about how we write. We block items up into a max of 127
2461 bytes. */
2463 static boolean
2464 do_as_repeat (abfd, s)
2465 bfd *abfd;
2466 asection *s;
2468 if (s->_raw_size)
2470 if (! ieee_write_byte (abfd, ieee_set_current_section_enum)
2471 || ! ieee_write_byte (abfd,
2472 (bfd_byte) (s->index
2473 + IEEE_SECTION_NUMBER_BASE))
2474 || ! ieee_write_byte (abfd, ieee_set_current_pc_enum >> 8)
2475 || ! ieee_write_byte (abfd, ieee_set_current_pc_enum & 0xff)
2476 || ! ieee_write_byte (abfd,
2477 (bfd_byte) (s->index
2478 + IEEE_SECTION_NUMBER_BASE))
2479 || ! ieee_write_int (abfd, s->lma)
2480 || ! ieee_write_byte (abfd, ieee_repeat_data_enum)
2481 || ! ieee_write_int (abfd, s->_raw_size)
2482 || ! ieee_write_byte (abfd, ieee_load_constant_bytes_enum)
2483 || ! ieee_write_byte (abfd, 1)
2484 || ! ieee_write_byte (abfd, 0))
2485 return false;
2488 return true;
2491 static boolean
2492 do_without_relocs (abfd, s)
2493 bfd *abfd;
2494 asection *s;
2496 bfd_byte *stream = ieee_per_section (s)->data;
2498 if (stream == 0 || ((s->flags & SEC_LOAD) == 0))
2500 if (! do_as_repeat (abfd, s))
2501 return false;
2503 else
2505 unsigned int i;
2506 for (i = 0; i < s->_raw_size; i++)
2508 if (stream[i] != 0)
2510 if (! do_with_relocs (abfd, s))
2511 return false;
2512 return true;
2515 if (! do_as_repeat (abfd, s))
2516 return false;
2519 return true;
2523 static unsigned char *output_ptr_start;
2524 static unsigned char *output_ptr;
2525 static unsigned char *output_ptr_end;
2526 static unsigned char *input_ptr_start;
2527 static unsigned char *input_ptr;
2528 static unsigned char *input_ptr_end;
2529 static bfd *input_bfd;
2530 static bfd *output_bfd;
2531 static int output_buffer;
2533 static void
2534 fill ()
2536 /* FIXME: Check return value. I'm not sure whether it needs to read
2537 the entire buffer or not. */
2538 bfd_read ((PTR) input_ptr_start, 1, input_ptr_end - input_ptr_start, input_bfd);
2539 input_ptr = input_ptr_start;
2541 static void
2542 flush ()
2544 if (bfd_write ((PTR) (output_ptr_start), 1, output_ptr - output_ptr_start,
2545 output_bfd)
2546 != (bfd_size_type) (output_ptr - output_ptr_start))
2547 abort ();
2548 output_ptr = output_ptr_start;
2549 output_buffer++;
2552 #define THIS() ( *input_ptr )
2553 #define NEXT() { input_ptr++; if (input_ptr == input_ptr_end) fill(); }
2554 #define OUT(x) { *output_ptr++ = (x); if(output_ptr == output_ptr_end) flush(); }
2556 static void
2557 write_int (value)
2558 int value;
2560 if (value >= 0 && value <= 127)
2562 OUT (value);
2564 else
2566 unsigned int length;
2567 /* How many significant bytes ? */
2568 /* FIXME FOR LONGER INTS */
2569 if (value & 0xff000000)
2571 length = 4;
2573 else if (value & 0x00ff0000)
2575 length = 3;
2577 else if (value & 0x0000ff00)
2579 length = 2;
2581 else
2582 length = 1;
2584 OUT ((int) ieee_number_repeat_start_enum + length);
2585 switch (length)
2587 case 4:
2588 OUT (value >> 24);
2589 case 3:
2590 OUT (value >> 16);
2591 case 2:
2592 OUT (value >> 8);
2593 case 1:
2594 OUT (value);
2600 static void
2601 copy_id ()
2603 int length = THIS ();
2604 char ch;
2605 OUT (length);
2606 NEXT ();
2607 while (length--)
2609 ch = THIS ();
2610 OUT (ch);
2611 NEXT ();
2615 #define VAR(x) ((x | 0x80))
2616 static void
2617 copy_expression ()
2619 int stack[10];
2620 int *tos = stack;
2621 int value = 0;
2622 while (1)
2624 switch (THIS ())
2626 case 0x84:
2627 NEXT ();
2628 value = THIS ();
2629 NEXT ();
2630 value = (value << 8) | THIS ();
2631 NEXT ();
2632 value = (value << 8) | THIS ();
2633 NEXT ();
2634 value = (value << 8) | THIS ();
2635 NEXT ();
2636 *tos++ = value;
2637 break;
2638 case 0x83:
2639 NEXT ();
2640 value = THIS ();
2641 NEXT ();
2642 value = (value << 8) | THIS ();
2643 NEXT ();
2644 value = (value << 8) | THIS ();
2645 NEXT ();
2646 *tos++ = value;
2647 break;
2648 case 0x82:
2649 NEXT ();
2650 value = THIS ();
2651 NEXT ();
2652 value = (value << 8) | THIS ();
2653 NEXT ();
2654 *tos++ = value;
2655 break;
2656 case 0x81:
2657 NEXT ();
2658 value = THIS ();
2659 NEXT ();
2660 *tos++ = value;
2661 break;
2662 case 0x80:
2663 NEXT ();
2664 *tos++ = 0;
2665 break;
2666 default:
2667 if (THIS () > 0x84)
2669 /* Not a number, just bug out with the answer */
2670 write_int (*(--tos));
2671 return;
2673 *tos++ = THIS ();
2674 NEXT ();
2675 value = 0;
2676 break;
2677 case 0xa5:
2678 /* PLUS anything */
2680 int value = *(--tos);
2681 value += *(--tos);
2682 *tos++ = value;
2683 NEXT ();
2685 break;
2686 case VAR ('R'):
2688 int section_number;
2689 ieee_data_type *ieee;
2690 asection *s;
2691 NEXT ();
2692 section_number = THIS ();
2694 NEXT ();
2695 ieee = IEEE_DATA (input_bfd);
2696 s = ieee->section_table[section_number];
2697 if (s->output_section)
2699 value = s->output_section->lma;
2701 else
2703 value = 0;
2705 value += s->output_offset;
2706 *tos++ = value;
2707 value = 0;
2709 break;
2710 case 0x90:
2712 NEXT ();
2713 write_int (*(--tos));
2714 OUT (0x90);
2715 return;
2723 /* Drop the int in the buffer, and copy a null into the gap, which we
2724 will overwrite later */
2726 struct output_buffer_struct
2728 unsigned char *ptrp;
2729 int buffer;
2732 static void
2733 fill_int (buf)
2734 struct output_buffer_struct *buf;
2736 if (buf->buffer == output_buffer)
2738 /* Still a chance to output the size */
2739 int value = output_ptr - buf->ptrp + 3;
2740 buf->ptrp[0] = value >> 24;
2741 buf->ptrp[1] = value >> 16;
2742 buf->ptrp[2] = value >> 8;
2743 buf->ptrp[3] = value >> 0;
2747 static void
2748 drop_int (buf)
2749 struct output_buffer_struct *buf;
2751 int type = THIS ();
2752 int ch;
2753 if (type <= 0x84)
2755 NEXT ();
2756 switch (type)
2758 case 0x84:
2759 ch = THIS ();
2760 NEXT ();
2761 case 0x83:
2762 ch = THIS ();
2763 NEXT ();
2764 case 0x82:
2765 ch = THIS ();
2766 NEXT ();
2767 case 0x81:
2768 ch = THIS ();
2769 NEXT ();
2770 case 0x80:
2771 break;
2774 OUT (0x84);
2775 buf->ptrp = output_ptr;
2776 buf->buffer = output_buffer;
2777 OUT (0);
2778 OUT (0);
2779 OUT (0);
2780 OUT (0);
2783 static void
2784 copy_int ()
2786 int type = THIS ();
2787 int ch;
2788 if (type <= 0x84)
2790 OUT (type);
2791 NEXT ();
2792 switch (type)
2794 case 0x84:
2795 ch = THIS ();
2796 NEXT ();
2797 OUT (ch);
2798 case 0x83:
2799 ch = THIS ();
2800 NEXT ();
2801 OUT (ch);
2802 case 0x82:
2803 ch = THIS ();
2804 NEXT ();
2805 OUT (ch);
2806 case 0x81:
2807 ch = THIS ();
2808 NEXT ();
2809 OUT (ch);
2810 case 0x80:
2811 break;
2816 #define ID copy_id()
2817 #define INT copy_int()
2818 #define EXP copy_expression()
2819 static void copy_till_end ();
2820 #define INTn(q) copy_int()
2821 #define EXPn(q) copy_expression()
2823 static void
2824 f1_record ()
2826 int ch;
2827 /* ATN record */
2828 NEXT ();
2829 ch = THIS ();
2830 switch (ch)
2832 default:
2833 OUT (0xf1);
2834 OUT (ch);
2835 break;
2836 case 0xc9:
2837 NEXT ();
2838 OUT (0xf1);
2839 OUT (0xc9);
2840 INT;
2841 INT;
2842 ch = THIS ();
2843 switch (ch)
2845 case 0x16:
2846 NEXT ();
2847 break;
2848 case 0x01:
2849 NEXT ();
2850 break;
2851 case 0x00:
2852 NEXT ();
2853 INT;
2854 break;
2855 case 0x03:
2856 NEXT ();
2857 INT;
2858 break;
2859 case 0x13:
2860 EXPn (instruction address);
2861 break;
2862 default:
2863 break;
2865 break;
2866 case 0xd8:
2867 /* EXternal ref */
2868 NEXT ();
2869 OUT (0xf1);
2870 OUT (0xd8);
2871 EXP;
2872 EXP;
2873 EXP;
2874 EXP;
2875 break;
2876 case 0xce:
2877 NEXT ();
2878 OUT (0xf1);
2879 OUT (0xce);
2880 INT;
2881 INT;
2882 ch = THIS ();
2883 INT;
2884 switch (ch)
2886 case 0x01:
2887 INT;
2888 INT;
2889 break;
2890 case 0x02:
2891 INT;
2892 break;
2893 case 0x04:
2894 EXPn (external function);
2895 break;
2896 case 0x05:
2897 break;
2898 case 0x07:
2899 INTn (line number);
2900 INT;
2901 case 0x08:
2902 break;
2903 case 0x0a:
2904 INTn (locked register);
2905 INT;
2906 break;
2907 case 0x3f:
2908 copy_till_end ();
2909 break;
2910 case 0x3e:
2911 copy_till_end ();
2912 break;
2913 case 0x40:
2914 copy_till_end ();
2915 break;
2916 case 0x41:
2918 break;
2924 static void
2925 f0_record ()
2927 /* Attribute record */
2928 NEXT ();
2929 OUT (0xf0);
2930 INTn (Symbol name);
2934 static void
2935 copy_till_end ()
2937 int ch = THIS ();
2938 while (1)
2940 while (ch <= 0x80)
2942 OUT (ch);
2943 NEXT ();
2944 ch = THIS ();
2946 switch (ch)
2948 case 0x84:
2949 OUT (THIS ());
2950 NEXT ();
2951 case 0x83:
2952 OUT (THIS ());
2953 NEXT ();
2954 case 0x82:
2955 OUT (THIS ());
2956 NEXT ();
2957 case 0x81:
2958 OUT (THIS ());
2959 NEXT ();
2960 OUT (THIS ());
2961 NEXT ();
2963 ch = THIS ();
2964 break;
2965 default:
2966 return;
2972 static void
2973 f2_record ()
2975 NEXT ();
2976 OUT (0xf2);
2977 INT;
2978 NEXT ();
2979 OUT (0xce);
2980 INT;
2981 copy_till_end ();
2985 static void block ();
2986 static void
2987 f8_record ()
2989 int ch;
2990 NEXT ();
2991 ch = THIS ();
2992 switch (ch)
2994 case 0x01:
2995 case 0x02:
2996 case 0x03:
2997 /* Unique typedefs for module */
2998 /* GLobal typedefs */
2999 /* High level module scope beginning */
3001 struct output_buffer_struct ob;
3002 NEXT ();
3003 OUT (0xf8);
3004 OUT (ch);
3005 drop_int (&ob);
3008 block ();
3010 NEXT ();
3011 fill_int (&ob);
3012 OUT (0xf9);
3014 break;
3015 case 0x04:
3016 /* Global function */
3018 struct output_buffer_struct ob;
3019 NEXT ();
3020 OUT (0xf8);
3021 OUT (0x04);
3022 drop_int (&ob);
3024 INTn (stack size);
3025 INTn (ret val);
3026 EXPn (offset);
3028 block ();
3030 NEXT ();
3031 OUT (0xf9);
3032 EXPn (size of block);
3033 fill_int (&ob);
3035 break;
3037 case 0x05:
3038 /* File name for source line numbers */
3040 struct output_buffer_struct ob;
3041 NEXT ();
3042 OUT (0xf8);
3043 OUT (0x05);
3044 drop_int (&ob);
3046 INTn (year);
3047 INTn (month);
3048 INTn (day);
3049 INTn (hour);
3050 INTn (monute);
3051 INTn (second);
3052 block ();
3053 NEXT ();
3054 OUT (0xf9);
3055 fill_int (&ob);
3057 break;
3059 case 0x06:
3060 /* Local function */
3062 struct output_buffer_struct ob;
3063 NEXT ();
3064 OUT (0xf8);
3065 OUT (0x06);
3066 drop_int (&ob);
3068 INTn (stack size);
3069 INTn (type return);
3070 EXPn (offset);
3071 block ();
3072 NEXT ();
3073 OUT (0xf9);
3074 EXPn (size);
3075 fill_int (&ob);
3077 break;
3079 case 0x0a:
3080 /* Assembler module scope beginning -*/
3082 struct output_buffer_struct ob;
3084 NEXT ();
3085 OUT (0xf8);
3086 OUT (0x0a);
3087 drop_int (&ob);
3090 INT;
3092 INT;
3093 INT;
3094 INT;
3095 INT;
3096 INT;
3097 INT;
3099 block ();
3101 NEXT ();
3102 OUT (0xf9);
3103 fill_int (&ob);
3105 break;
3106 case 0x0b:
3108 struct output_buffer_struct ob;
3109 NEXT ();
3110 OUT (0xf8);
3111 OUT (0x0b);
3112 drop_int (&ob);
3114 INT;
3115 INTn (section index);
3116 EXPn (offset);
3117 INTn (stuff);
3119 block ();
3121 OUT (0xf9);
3122 NEXT ();
3123 EXPn (Size in Maus);
3124 fill_int (&ob);
3126 break;
3130 static void
3131 e2_record ()
3133 OUT (0xe2);
3134 NEXT ();
3135 OUT (0xce);
3136 NEXT ();
3137 INT;
3138 EXP;
3141 static void
3142 block ()
3144 int ch;
3145 while (1)
3147 ch = THIS ();
3148 switch (ch)
3150 case 0xe1:
3151 case 0xe5:
3152 return;
3153 case 0xf9:
3154 return;
3155 case 0xf0:
3156 f0_record ();
3157 break;
3158 case 0xf1:
3159 f1_record ();
3160 break;
3161 case 0xf2:
3162 f2_record ();
3163 break;
3164 case 0xf8:
3165 f8_record ();
3166 break;
3167 case 0xe2:
3168 e2_record ();
3169 break;
3177 /* relocate_debug,
3178 moves all the debug information from the source bfd to the output
3179 bfd, and relocates any expressions it finds
3182 static void
3183 relocate_debug (output, input)
3184 bfd *output ATTRIBUTE_UNUSED;
3185 bfd *input;
3187 #define IBS 400
3188 #define OBS 400
3189 unsigned char input_buffer[IBS];
3191 input_ptr_start = input_ptr = input_buffer;
3192 input_ptr_end = input_buffer + IBS;
3193 input_bfd = input;
3194 /* FIXME: Check return value. I'm not sure whether it needs to read
3195 the entire buffer or not. */
3196 bfd_read ((PTR) input_ptr_start, 1, IBS, input);
3197 block ();
3200 /* Gather together all the debug information from each input BFD into
3201 one place, relocating it and emitting it as we go. */
3203 static boolean
3204 ieee_write_debug_part (abfd)
3205 bfd *abfd;
3207 ieee_data_type *ieee = IEEE_DATA (abfd);
3208 bfd_chain_type *chain = ieee->chain_root;
3209 unsigned char output_buffer[OBS];
3210 boolean some_debug = false;
3211 file_ptr here = bfd_tell (abfd);
3213 output_ptr_start = output_ptr = output_buffer;
3214 output_ptr_end = output_buffer + OBS;
3215 output_ptr = output_buffer;
3216 output_bfd = abfd;
3218 if (chain == (bfd_chain_type *) NULL)
3220 asection *s;
3222 for (s = abfd->sections; s != NULL; s = s->next)
3223 if ((s->flags & SEC_DEBUGGING) != 0)
3224 break;
3225 if (s == NULL)
3227 ieee->w.r.debug_information_part = 0;
3228 return true;
3231 ieee->w.r.debug_information_part = here;
3232 if (bfd_write (s->contents, 1, s->_raw_size, abfd) != s->_raw_size)
3233 return false;
3235 else
3237 while (chain != (bfd_chain_type *) NULL)
3239 bfd *entry = chain->this;
3240 ieee_data_type *entry_ieee = IEEE_DATA (entry);
3241 if (entry_ieee->w.r.debug_information_part)
3243 if (bfd_seek (entry, entry_ieee->w.r.debug_information_part,
3244 SEEK_SET)
3245 != 0)
3246 return false;
3247 relocate_debug (abfd, entry);
3250 chain = chain->next;
3252 if (some_debug)
3254 ieee->w.r.debug_information_part = here;
3256 else
3258 ieee->w.r.debug_information_part = 0;
3261 flush ();
3264 return true;
3267 /* Write the data in an ieee way. */
3269 static boolean
3270 ieee_write_data_part (abfd)
3271 bfd *abfd;
3273 asection *s;
3274 ieee_data_type *ieee = IEEE_DATA (abfd);
3275 ieee->w.r.data_part = bfd_tell (abfd);
3276 for (s = abfd->sections; s != (asection *) NULL; s = s->next)
3278 /* Skip sections that have no loadable contents (.bss,
3279 debugging, etc.) */
3280 if ((s->flags & SEC_LOAD) == 0)
3281 continue;
3283 /* Sort the reloc records so we can insert them in the correct
3284 places */
3285 if (s->reloc_count != 0)
3287 if (! do_with_relocs (abfd, s))
3288 return false;
3290 else
3292 if (! do_without_relocs (abfd, s))
3293 return false;
3297 return true;
3301 static boolean
3302 init_for_output (abfd)
3303 bfd *abfd;
3305 asection *s;
3306 for (s = abfd->sections; s != (asection *) NULL; s = s->next)
3308 if ((s->flags & SEC_DEBUGGING) != 0)
3309 continue;
3310 if (s->_raw_size != 0)
3312 ieee_per_section (s)->data = (bfd_byte *) (bfd_alloc (abfd, s->_raw_size));
3313 if (!ieee_per_section (s)->data)
3314 return false;
3317 return true;
3320 /** exec and core file sections */
3322 /* set section contents is complicated with IEEE since the format is
3323 * not a byte image, but a record stream.
3325 boolean
3326 ieee_set_section_contents (abfd, section, location, offset, count)
3327 bfd *abfd;
3328 sec_ptr section;
3329 PTR location;
3330 file_ptr offset;
3331 bfd_size_type count;
3333 if ((section->flags & SEC_DEBUGGING) != 0)
3335 if (section->contents == NULL)
3337 section->contents = ((unsigned char *)
3338 bfd_alloc (abfd, section->_raw_size));
3339 if (section->contents == NULL)
3340 return false;
3342 /* bfd_set_section_contents has already checked that everything
3343 is within range. */
3344 memcpy (section->contents + offset, location, count);
3345 return true;
3348 if (ieee_per_section (section)->data == (bfd_byte *) NULL)
3350 if (!init_for_output (abfd))
3351 return false;
3353 memcpy ((PTR) (ieee_per_section (section)->data + offset),
3354 (PTR) location,
3355 (unsigned int) count);
3356 return true;
3359 /* Write the external symbols of a file. IEEE considers two sorts of
3360 external symbols, public, and referenced. It uses to internal
3361 forms to index them as well. When we write them out we turn their
3362 symbol values into indexes from the right base. */
3364 static boolean
3365 ieee_write_external_part (abfd)
3366 bfd *abfd;
3368 asymbol **q;
3369 ieee_data_type *ieee = IEEE_DATA (abfd);
3371 unsigned int reference_index = IEEE_REFERENCE_BASE;
3372 unsigned int public_index = IEEE_PUBLIC_BASE + 2;
3373 file_ptr here = bfd_tell (abfd);
3374 boolean hadone = false;
3375 if (abfd->outsymbols != (asymbol **) NULL)
3378 for (q = abfd->outsymbols; *q != (asymbol *) NULL; q++)
3380 asymbol *p = *q;
3381 if (bfd_is_und_section (p->section))
3383 /* This must be a symbol reference .. */
3384 if (! ieee_write_byte (abfd, ieee_external_reference_enum)
3385 || ! ieee_write_int (abfd, reference_index)
3386 || ! ieee_write_id (abfd, p->name))
3387 return false;
3388 p->value = reference_index;
3389 reference_index++;
3390 hadone = true;
3392 else if (bfd_is_com_section (p->section))
3394 /* This is a weak reference */
3395 if (! ieee_write_byte (abfd, ieee_external_reference_enum)
3396 || ! ieee_write_int (abfd, reference_index)
3397 || ! ieee_write_id (abfd, p->name)
3398 || ! ieee_write_byte (abfd,
3399 ieee_weak_external_reference_enum)
3400 || ! ieee_write_int (abfd, reference_index)
3401 || ! ieee_write_int (abfd, p->value))
3402 return false;
3403 p->value = reference_index;
3404 reference_index++;
3405 hadone = true;
3407 else if (p->flags & BSF_GLOBAL)
3409 /* This must be a symbol definition */
3411 if (! ieee_write_byte (abfd, ieee_external_symbol_enum)
3412 || ! ieee_write_int (abfd, public_index)
3413 || ! ieee_write_id (abfd, p->name)
3414 || ! ieee_write_2bytes (abfd, ieee_attribute_record_enum)
3415 || ! ieee_write_int (abfd, public_index)
3416 || ! ieee_write_byte (abfd, 15) /* instruction address */
3417 || ! ieee_write_byte (abfd, 19) /* static symbol */
3418 || ! ieee_write_byte (abfd, 1)) /* one of them */
3419 return false;
3421 /* Write out the value */
3422 if (! ieee_write_2bytes (abfd, ieee_value_record_enum)
3423 || ! ieee_write_int (abfd, public_index))
3424 return false;
3425 if (! bfd_is_abs_section (p->section))
3427 if (abfd->flags & EXEC_P)
3429 /* If fully linked, then output all symbols
3430 relocated */
3431 if (! (ieee_write_int
3432 (abfd,
3433 (p->value
3434 + p->section->output_offset
3435 + p->section->output_section->vma))))
3436 return false;
3438 else
3440 if (! (ieee_write_expression
3441 (abfd,
3442 p->value + p->section->output_offset,
3443 p->section->output_section->symbol,
3444 false, 0)))
3445 return false;
3448 else
3450 if (! ieee_write_expression (abfd,
3451 p->value,
3452 bfd_abs_section_ptr->symbol,
3453 false, 0))
3454 return false;
3456 p->value = public_index;
3457 public_index++;
3458 hadone = true;
3460 else
3462 /* This can happen - when there are gaps in the symbols read */
3463 /* from an input ieee file */
3467 if (hadone)
3468 ieee->w.r.external_part = here;
3470 return true;
3474 static CONST unsigned char exten[] =
3476 0xf0, 0x20, 0x00,
3477 0xf1, 0xce, 0x20, 0x00, 37, 3, 3, /* Set version 3 rev 3 */
3478 0xf1, 0xce, 0x20, 0x00, 39, 2,/* keep symbol in original case */
3479 0xf1, 0xce, 0x20, 0x00, 38 /* set object type relocateable to x */
3482 static CONST unsigned char envi[] =
3484 0xf0, 0x21, 0x00,
3486 /* 0xf1, 0xce, 0x21, 00, 50, 0x82, 0x07, 0xc7, 0x09, 0x11, 0x11,
3487 0x19, 0x2c,
3489 0xf1, 0xce, 0x21, 00, 52, 0x00, /* exec ok */
3491 0xf1, 0xce, 0x21, 0, 53, 0x03,/* host unix */
3492 /* 0xf1, 0xce, 0x21, 0, 54, 2,1,1 tool & version # */
3495 static boolean
3496 ieee_write_me_part (abfd)
3497 bfd *abfd;
3499 ieee_data_type *ieee = IEEE_DATA (abfd);
3500 ieee->w.r.trailer_part = bfd_tell (abfd);
3501 if (abfd->start_address)
3503 if (! ieee_write_2bytes (abfd, ieee_value_starting_address_enum)
3504 || ! ieee_write_byte (abfd, ieee_function_either_open_b_enum)
3505 || ! ieee_write_int (abfd, abfd->start_address)
3506 || ! ieee_write_byte (abfd, ieee_function_either_close_b_enum))
3507 return false;
3509 ieee->w.r.me_record = bfd_tell (abfd);
3510 if (! ieee_write_byte (abfd, ieee_module_end_enum))
3511 return false;
3512 return true;
3515 /* Write out the IEEE processor ID. */
3517 static boolean
3518 ieee_write_processor (abfd)
3519 bfd *abfd;
3521 const bfd_arch_info_type *arch;
3523 arch = bfd_get_arch_info (abfd);
3524 switch (arch->arch)
3526 default:
3527 if (! ieee_write_id (abfd, bfd_printable_name (abfd)))
3528 return false;
3529 break;
3531 case bfd_arch_a29k:
3532 if (! ieee_write_id (abfd, "29000"))
3533 return false;
3534 break;
3536 case bfd_arch_h8300:
3537 if (! ieee_write_id (abfd, "H8/300"))
3538 return false;
3539 break;
3541 case bfd_arch_h8500:
3542 if (! ieee_write_id (abfd, "H8/500"))
3543 return false;
3544 break;
3546 case bfd_arch_i960:
3547 switch (arch->mach)
3549 default:
3550 case bfd_mach_i960_core:
3551 case bfd_mach_i960_ka_sa:
3552 if (! ieee_write_id (abfd, "80960KA"))
3553 return false;
3554 break;
3556 case bfd_mach_i960_kb_sb:
3557 if (! ieee_write_id (abfd, "80960KB"))
3558 return false;
3559 break;
3561 case bfd_mach_i960_ca:
3562 if (! ieee_write_id (abfd, "80960CA"))
3563 return false;
3564 break;
3566 case bfd_mach_i960_mc:
3567 case bfd_mach_i960_xa:
3568 if (! ieee_write_id (abfd, "80960MC"))
3569 return false;
3570 break;
3572 break;
3574 case bfd_arch_m68k:
3576 const char *id;
3578 switch (arch->mach)
3580 default: id = "68020"; break;
3581 case bfd_mach_m68000: id = "68000"; break;
3582 case bfd_mach_m68008: id = "68008"; break;
3583 case bfd_mach_m68010: id = "68010"; break;
3584 case bfd_mach_m68020: id = "68020"; break;
3585 case bfd_mach_m68030: id = "68030"; break;
3586 case bfd_mach_m68040: id = "68040"; break;
3587 case bfd_mach_m68060: id = "68060"; break;
3588 case bfd_mach_cpu32: id = "cpu32"; break;
3591 if (! ieee_write_id (abfd, id))
3592 return false;
3594 break;
3597 return true;
3600 boolean
3601 ieee_write_object_contents (abfd)
3602 bfd *abfd;
3604 ieee_data_type *ieee = IEEE_DATA (abfd);
3605 unsigned int i;
3606 file_ptr old;
3608 /* Fast forward over the header area */
3609 if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
3610 return false;
3612 if (! ieee_write_byte (abfd, ieee_module_beginning_enum)
3613 || ! ieee_write_processor (abfd)
3614 || ! ieee_write_id (abfd, abfd->filename))
3615 return false;
3617 /* Fast forward over the variable bits */
3618 if (! ieee_write_byte (abfd, ieee_address_descriptor_enum))
3619 return false;
3621 /* Bits per MAU */
3622 if (! ieee_write_byte (abfd, (bfd_byte) (bfd_arch_bits_per_byte (abfd))))
3623 return false;
3624 /* MAU's per address */
3625 if (! ieee_write_byte (abfd,
3626 (bfd_byte) (bfd_arch_bits_per_address (abfd)
3627 / bfd_arch_bits_per_byte (abfd))))
3628 return false;
3630 old = bfd_tell (abfd);
3631 if (bfd_seek (abfd, (file_ptr) (8 * N_W_VARIABLES), SEEK_CUR) != 0)
3632 return false;
3634 ieee->w.r.extension_record = bfd_tell (abfd);
3635 if (bfd_write ((char *) exten, 1, sizeof (exten), abfd) != sizeof (exten))
3636 return false;
3637 if (abfd->flags & EXEC_P)
3639 if (! ieee_write_byte (abfd, 0x1)) /* Absolute */
3640 return false;
3642 else
3644 if (! ieee_write_byte (abfd, 0x2)) /* Relocateable */
3645 return false;
3648 ieee->w.r.environmental_record = bfd_tell (abfd);
3649 if (bfd_write ((char *) envi, 1, sizeof (envi), abfd) != sizeof (envi))
3650 return false;
3652 /* The HP emulator database requires a timestamp in the file. */
3654 time_t now;
3655 const struct tm *t;
3657 time (&now);
3658 t = (struct tm *) localtime (&now);
3659 if (! ieee_write_2bytes (abfd, (int) ieee_atn_record_enum)
3660 || ! ieee_write_byte (abfd, 0x21)
3661 || ! ieee_write_byte (abfd, 0)
3662 || ! ieee_write_byte (abfd, 50)
3663 || ! ieee_write_int (abfd, t->tm_year + 1900)
3664 || ! ieee_write_int (abfd, t->tm_mon + 1)
3665 || ! ieee_write_int (abfd, t->tm_mday)
3666 || ! ieee_write_int (abfd, t->tm_hour)
3667 || ! ieee_write_int (abfd, t->tm_min)
3668 || ! ieee_write_int (abfd, t->tm_sec))
3669 return false;
3672 output_bfd = abfd;
3674 flush ();
3676 if (! ieee_write_section_part (abfd))
3677 return false;
3678 /* First write the symbols. This changes their values into table
3679 indeces so we cant use it after this point. */
3680 if (! ieee_write_external_part (abfd))
3681 return false;
3683 /* ieee_write_byte(abfd, ieee_record_seperator_enum);*/
3685 /* ieee_write_byte(abfd, ieee_record_seperator_enum);*/
3688 /* Write any debugs we have been told about. */
3689 if (! ieee_write_debug_part (abfd))
3690 return false;
3692 /* Can only write the data once the symbols have been written, since
3693 the data contains relocation information which points to the
3694 symbols. */
3695 if (! ieee_write_data_part (abfd))
3696 return false;
3698 /* At the end we put the end! */
3699 if (! ieee_write_me_part (abfd))
3700 return false;
3702 /* Generate the header */
3703 if (bfd_seek (abfd, old, SEEK_SET) != 0)
3704 return false;
3706 for (i = 0; i < N_W_VARIABLES; i++)
3708 if (! ieee_write_2bytes (abfd, ieee_assign_value_to_variable_enum)
3709 || ! ieee_write_byte (abfd, (bfd_byte) i)
3710 || ! ieee_write_int5_out (abfd, ieee->w.offset[i]))
3711 return false;
3714 return true;
3717 /* Native-level interface to symbols. */
3719 /* We read the symbols into a buffer, which is discarded when this
3720 function exits. We read the strings into a buffer large enough to
3721 hold them all plus all the cached symbol entries. */
3723 asymbol *
3724 ieee_make_empty_symbol (abfd)
3725 bfd *abfd;
3727 ieee_symbol_type *new =
3728 (ieee_symbol_type *) bfd_zmalloc (sizeof (ieee_symbol_type));
3729 if (!new)
3730 return NULL;
3731 new->symbol.the_bfd = abfd;
3732 return &new->symbol;
3735 static bfd *
3736 ieee_openr_next_archived_file (arch, prev)
3737 bfd *arch;
3738 bfd *prev;
3740 ieee_ar_data_type *ar = IEEE_AR_DATA (arch);
3741 /* take the next one from the arch state, or reset */
3742 if (prev == (bfd *) NULL)
3744 /* Reset the index - the first two entries are bogus*/
3745 ar->element_index = 2;
3747 while (true)
3749 ieee_ar_obstack_type *p = ar->elements + ar->element_index;
3750 ar->element_index++;
3751 if (ar->element_index <= ar->element_count)
3753 if (p->file_offset != (file_ptr) 0)
3755 if (p->abfd == (bfd *) NULL)
3757 p->abfd = _bfd_create_empty_archive_element_shell (arch);
3758 p->abfd->origin = p->file_offset;
3760 return p->abfd;
3763 else
3765 bfd_set_error (bfd_error_no_more_archived_files);
3766 return (bfd *) NULL;
3772 static boolean
3773 ieee_find_nearest_line (abfd,
3774 section,
3775 symbols,
3776 offset,
3777 filename_ptr,
3778 functionname_ptr,
3779 line_ptr)
3780 bfd *abfd ATTRIBUTE_UNUSED;
3781 asection *section ATTRIBUTE_UNUSED;
3782 asymbol **symbols ATTRIBUTE_UNUSED;
3783 bfd_vma offset ATTRIBUTE_UNUSED;
3784 const char **filename_ptr ATTRIBUTE_UNUSED;
3785 const char **functionname_ptr ATTRIBUTE_UNUSED;
3786 unsigned int *line_ptr ATTRIBUTE_UNUSED;
3788 return false;
3791 static int
3792 ieee_generic_stat_arch_elt (abfd, buf)
3793 bfd *abfd;
3794 struct stat *buf;
3796 ieee_ar_data_type *ar = (ieee_ar_data_type *) NULL;
3797 ieee_data_type *ieee;
3799 if (abfd->my_archive != NULL)
3800 ar = abfd->my_archive->tdata.ieee_ar_data;
3801 if (ar == (ieee_ar_data_type *) NULL)
3803 bfd_set_error (bfd_error_invalid_operation);
3804 return -1;
3807 if (IEEE_DATA (abfd) == NULL)
3809 if (ieee_object_p (abfd) == NULL)
3811 bfd_set_error (bfd_error_wrong_format);
3812 return -1;
3816 ieee = IEEE_DATA (abfd);
3818 buf->st_size = ieee->w.r.me_record + 1;
3819 buf->st_mode = 0644;
3820 return 0;
3823 static int
3824 ieee_sizeof_headers (abfd, x)
3825 bfd *abfd ATTRIBUTE_UNUSED;
3826 boolean x ATTRIBUTE_UNUSED;
3828 return 0;
3832 /* The debug info routines are never used. */
3833 #if 0
3835 static void
3836 ieee_bfd_debug_info_start (abfd)
3837 bfd *abfd;
3842 static void
3843 ieee_bfd_debug_info_end (abfd)
3844 bfd *abfd;
3850 /* Add this section to the list of sections we have debug info for, to
3851 be ready to output it at close time
3853 static void
3854 ieee_bfd_debug_info_accumulate (abfd, section)
3855 bfd *abfd;
3856 asection *section;
3858 ieee_data_type *ieee = IEEE_DATA (section->owner);
3859 ieee_data_type *output_ieee = IEEE_DATA (abfd);
3860 /* can only accumulate data from other ieee bfds */
3861 if (section->owner->xvec != abfd->xvec)
3862 return;
3863 /* Only bother once per bfd */
3864 if (ieee->done_debug == true)
3865 return;
3866 ieee->done_debug = true;
3868 /* Don't bother if there is no debug info */
3869 if (ieee->w.r.debug_information_part == 0)
3870 return;
3873 /* Add to chain */
3875 bfd_chain_type *n = (bfd_chain_type *) bfd_alloc (abfd, sizeof (bfd_chain_type));
3876 if (!n)
3877 abort (); /* FIXME */
3878 n->this = section->owner;
3879 n->next = (bfd_chain_type *) NULL;
3881 if (output_ieee->chain_head)
3883 output_ieee->chain_head->next = n;
3885 else
3887 output_ieee->chain_root = n;
3890 output_ieee->chain_head = n;
3894 #endif
3896 #define ieee_close_and_cleanup _bfd_generic_close_and_cleanup
3897 #define ieee_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
3899 #define ieee_slurp_armap bfd_true
3900 #define ieee_slurp_extended_name_table bfd_true
3901 #define ieee_construct_extended_name_table \
3902 ((boolean (*) PARAMS ((bfd *, char **, bfd_size_type *, const char **))) \
3903 bfd_true)
3904 #define ieee_truncate_arname bfd_dont_truncate_arname
3905 #define ieee_write_armap \
3906 ((boolean (*) \
3907 PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int))) \
3908 bfd_true)
3909 #define ieee_read_ar_hdr bfd_nullvoidptr
3910 #define ieee_update_armap_timestamp bfd_true
3911 #define ieee_get_elt_at_index _bfd_generic_get_elt_at_index
3913 #define ieee_bfd_is_local_label_name bfd_generic_is_local_label_name
3914 #define ieee_get_lineno _bfd_nosymbols_get_lineno
3915 #define ieee_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
3916 #define ieee_read_minisymbols _bfd_generic_read_minisymbols
3917 #define ieee_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
3919 #define ieee_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup
3921 #define ieee_set_arch_mach _bfd_generic_set_arch_mach
3923 #define ieee_get_section_contents_in_window \
3924 _bfd_generic_get_section_contents_in_window
3925 #define ieee_bfd_get_relocated_section_contents \
3926 bfd_generic_get_relocated_section_contents
3927 #define ieee_bfd_relax_section bfd_generic_relax_section
3928 #define ieee_bfd_gc_sections bfd_generic_gc_sections
3929 #define ieee_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
3930 #define ieee_bfd_link_add_symbols _bfd_generic_link_add_symbols
3931 #define ieee_bfd_final_link _bfd_generic_final_link
3932 #define ieee_bfd_link_split_section _bfd_generic_link_split_section
3934 /*SUPPRESS 460 */
3935 const bfd_target ieee_vec =
3937 "ieee", /* name */
3938 bfd_target_ieee_flavour,
3939 BFD_ENDIAN_UNKNOWN, /* target byte order */
3940 BFD_ENDIAN_UNKNOWN, /* target headers byte order */
3941 (HAS_RELOC | EXEC_P | /* object flags */
3942 HAS_LINENO | HAS_DEBUG |
3943 HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
3944 (SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS
3945 | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
3946 '_', /* leading underscore */
3947 ' ', /* ar_pad_char */
3948 16, /* ar_max_namelen */
3949 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
3950 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
3951 bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */
3952 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
3953 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
3954 bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */
3956 {_bfd_dummy_target,
3957 ieee_object_p, /* bfd_check_format */
3958 ieee_archive_p,
3959 _bfd_dummy_target,
3962 bfd_false,
3963 ieee_mkobject,
3964 _bfd_generic_mkarchive,
3965 bfd_false
3968 bfd_false,
3969 ieee_write_object_contents,
3970 _bfd_write_archive_contents,
3971 bfd_false,
3974 BFD_JUMP_TABLE_GENERIC (ieee),
3975 BFD_JUMP_TABLE_COPY (_bfd_generic),
3976 BFD_JUMP_TABLE_CORE (_bfd_nocore),
3977 BFD_JUMP_TABLE_ARCHIVE (ieee),
3978 BFD_JUMP_TABLE_SYMBOLS (ieee),
3979 BFD_JUMP_TABLE_RELOCS (ieee),
3980 BFD_JUMP_TABLE_WRITE (ieee),
3981 BFD_JUMP_TABLE_LINK (ieee),
3982 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
3984 NULL,
3986 (PTR) 0