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Merge from gcc
[binutils.git] / bfd / ieee.c
blobaaf1f1124b258f66558e94213d3da3fd5e8b5bf1
1 /* BFD back-end for ieee-695 objects.
2 Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
3 2000, 2001, 2002, 2003, 2004
4 Free Software Foundation, Inc.
5
6 Written by Steve Chamberlain of Cygnus Support.
7
8 This file is part of BFD, the Binary File Descriptor library.
9
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2 of the License, or
13 (at your option) any later version.
14
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
19
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
23
24 #define KEEPMINUSPCININST 0
25
26 /* IEEE 695 format is a stream of records, which we parse using a simple one-
27 token (which is one byte in this lexicon) lookahead recursive decent
28 parser. */
29
30 #include "bfd.h"
31 #include "sysdep.h"
32 #include "libbfd.h"
33 #include "ieee.h"
34 #include "libieee.h"
35 #include "safe-ctype.h"
36
37 struct output_buffer_struct
38 {
39 unsigned char *ptrp;
40 int buffer;
41 };
42
43 static bfd_boolean ieee_write_byte
44 PARAMS ((bfd *, int));
45 static bfd_boolean ieee_write_2bytes
46 PARAMS ((bfd *, int));
47 static bfd_boolean ieee_write_int
48 PARAMS ((bfd *, bfd_vma));
49 static bfd_boolean ieee_write_id
50 PARAMS ((bfd *, const char *));
51 static unsigned short read_2bytes
52 PARAMS ((common_header_type *));
53 static void bfd_get_string
54 PARAMS ((common_header_type *, char *, size_t));
55 static char *read_id
56 PARAMS ((common_header_type *));
57 static bfd_boolean ieee_write_expression
58 PARAMS ((bfd *, bfd_vma, asymbol *, bfd_boolean, unsigned int));
59 static void ieee_write_int5
60 PARAMS ((bfd_byte *, bfd_vma));
61 static bfd_boolean ieee_write_int5_out
62 PARAMS ((bfd *, bfd_vma));
63 static bfd_boolean parse_int
64 PARAMS ((common_header_type *, bfd_vma *));
65 static int parse_i
66 PARAMS ((common_header_type *, bfd_boolean *));
67 static bfd_vma must_parse_int
68 PARAMS ((common_header_type *));
69 static void parse_expression
70 PARAMS ((ieee_data_type *, bfd_vma *, ieee_symbol_index_type *,
71 bfd_boolean *, unsigned int *, asection **));
72 static file_ptr ieee_part_after
73 PARAMS ((ieee_data_type *, file_ptr));
74 static ieee_symbol_type *get_symbol
75 PARAMS ((bfd *, ieee_data_type *, ieee_symbol_type *, unsigned int *,
76 ieee_symbol_type ***, unsigned int *, int));
77 static bfd_boolean ieee_slurp_external_symbols
78 PARAMS ((bfd *));
79 static bfd_boolean ieee_slurp_symbol_table
80 PARAMS ((bfd *));
81 static long ieee_get_symtab_upper_bound
82 PARAMS ((bfd *));
83 static long ieee_canonicalize_symtab
84 PARAMS ((bfd *, asymbol **));
85 static asection *get_section_entry
86 PARAMS ((bfd *, ieee_data_type *i, unsigned int));
87 static void ieee_slurp_sections
88 PARAMS ((bfd *));
89 static bfd_boolean ieee_slurp_debug
90 PARAMS ((bfd *));
91 const bfd_target *ieee_archive_p
92 PARAMS ((bfd *));
93 const bfd_target *ieee_object_p
94 PARAMS ((bfd *));
95 static void ieee_get_symbol_info
96 PARAMS ((bfd *, asymbol *, symbol_info *));
97 static void ieee_print_symbol
98 PARAMS ((bfd *, PTR, asymbol *, bfd_print_symbol_type));
99 static bfd_boolean do_one
100 PARAMS ((ieee_data_type *, ieee_per_section_type *, unsigned char *,
101 asection *, int));
102 static bfd_boolean ieee_slurp_section_data
103 PARAMS ((bfd *));
104 static bfd_boolean ieee_new_section_hook
105 PARAMS ((bfd *, asection *));
106 static long ieee_get_reloc_upper_bound
107 PARAMS ((bfd *, sec_ptr));
108 static bfd_boolean ieee_get_section_contents
109 PARAMS ((bfd *, sec_ptr, PTR, file_ptr, bfd_size_type));
110 static long ieee_canonicalize_reloc
111 PARAMS ((bfd *, sec_ptr, arelent **, asymbol **));
112 static int comp
113 PARAMS ((const PTR, const PTR));
114 static bfd_boolean ieee_write_section_part
115 PARAMS ((bfd *));
116 static bfd_boolean do_with_relocs
117 PARAMS ((bfd *, asection *));
118 static bfd_boolean do_as_repeat
119 PARAMS ((bfd *, asection *));
120 static bfd_boolean do_without_relocs
121 PARAMS ((bfd *, asection *));
122 static bfd_boolean ieee_mkobject
123 PARAMS ((bfd *));
124 static void fill
125 PARAMS ((void));
126 static void flush
127 PARAMS ((void));
128 static void write_int
129 PARAMS ((int));
130 static void copy_id
131 PARAMS ((void));
132 static void copy_expression
133 PARAMS ((void));
134 static void fill_int
135 PARAMS ((struct output_buffer_struct *));
136 static void drop_int
137 PARAMS ((struct output_buffer_struct *));
138 static void copy_int
139 PARAMS ((void));
140 static void f1_record
141 PARAMS ((void));
142 static void f0_record
143 PARAMS ((void));
144 static void copy_till_end
145 PARAMS ((void));
146 static void f2_record
147 PARAMS ((void));
148 static void f8_record
149 PARAMS ((void));
150 static void e2_record
151 PARAMS ((void));
152 static void block
153 PARAMS ((void));
154 static void relocate_debug
155 PARAMS ((bfd *, bfd *));
156 static bfd_boolean ieee_write_debug_part
157 PARAMS ((bfd *));
158 static bfd_boolean ieee_write_data_part
159 PARAMS ((bfd *));
160 static bfd_boolean init_for_output
161 PARAMS ((bfd *));
162 static bfd_boolean ieee_set_section_contents
163 PARAMS ((bfd *, sec_ptr, const PTR, file_ptr, bfd_size_type));
164 static bfd_boolean ieee_write_external_part
165 PARAMS ((bfd *));
166 static bfd_boolean ieee_write_me_part
167 PARAMS ((bfd *));
168 static bfd_boolean ieee_write_processor
169 PARAMS ((bfd *));
170 static bfd_boolean ieee_write_object_contents
171 PARAMS ((bfd *));
172 static asymbol *ieee_make_empty_symbol
173 PARAMS ((bfd *));
174 static bfd *ieee_openr_next_archived_file
175 PARAMS ((bfd *, bfd *));
176 static bfd_boolean ieee_find_nearest_line
177 PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **,
178 const char **, unsigned int *));
179 static int ieee_generic_stat_arch_elt
180 PARAMS ((bfd *, struct stat *));
181 static int ieee_sizeof_headers
182 PARAMS ((bfd *, bfd_boolean));
183
184 /* Functions for writing to ieee files in the strange way that the
185 standard requires. */
186
187 static bfd_boolean
188 ieee_write_byte (abfd, barg)
189 bfd *abfd;
190 int barg;
191 {
192 bfd_byte byte;
193
194 byte = barg;
195 if (bfd_bwrite ((PTR) &byte, (bfd_size_type) 1, abfd) != 1)
196 return FALSE;
197 return TRUE;
198 }
199
200 static bfd_boolean
201 ieee_write_2bytes (abfd, bytes)
202 bfd *abfd;
203 int bytes;
204 {
205 bfd_byte buffer[2];
206
207 buffer[0] = bytes >> 8;
208 buffer[1] = bytes & 0xff;
209 if (bfd_bwrite ((PTR) buffer, (bfd_size_type) 2, abfd) != 2)
210 return FALSE;
211 return TRUE;
212 }
213
214 static bfd_boolean
215 ieee_write_int (abfd, value)
216 bfd *abfd;
217 bfd_vma value;
218 {
219 if (value <= 127)
220 {
221 if (! ieee_write_byte (abfd, (bfd_byte) value))
222 return FALSE;
223 }
224 else
225 {
226 unsigned int length;
227
228 /* How many significant bytes ? */
229 /* FIXME FOR LONGER INTS. */
230 if (value & 0xff000000)
231 length = 4;
232 else if (value & 0x00ff0000)
233 length = 3;
234 else if (value & 0x0000ff00)
235 length = 2;
236 else
237 length = 1;
238
239 if (! ieee_write_byte (abfd,
240 (bfd_byte) ((int) ieee_number_repeat_start_enum
241 + length)))
242 return FALSE;
243 switch (length)
244 {
245 case 4:
246 if (! ieee_write_byte (abfd, (bfd_byte) (value >> 24)))
247 return FALSE;
248 /* Fall through. */
249 case 3:
250 if (! ieee_write_byte (abfd, (bfd_byte) (value >> 16)))
251 return FALSE;
252 /* Fall through. */
253 case 2:
254 if (! ieee_write_byte (abfd, (bfd_byte) (value >> 8)))
255 return FALSE;
256 /* Fall through. */
257 case 1:
258 if (! ieee_write_byte (abfd, (bfd_byte) (value)))
259 return FALSE;
260 }
261 }
262
263 return TRUE;
264 }
265
266 static bfd_boolean
267 ieee_write_id (abfd, id)
268 bfd *abfd;
269 const char *id;
270 {
271 size_t length = strlen (id);
272
273 if (length <= 127)
274 {
275 if (! ieee_write_byte (abfd, (bfd_byte) length))
276 return FALSE;
277 }
278 else if (length < 255)
279 {
280 if (! ieee_write_byte (abfd, ieee_extension_length_1_enum)
281 || ! ieee_write_byte (abfd, (bfd_byte) length))
282 return FALSE;
283 }
284 else if (length < 65535)
285 {
286 if (! ieee_write_byte (abfd, ieee_extension_length_2_enum)
287 || ! ieee_write_2bytes (abfd, (int) length))
288 return FALSE;
289 }
290 else
291 {
292 (*_bfd_error_handler)
293 (_("%s: string too long (%d chars, max 65535)"),
294 bfd_get_filename (abfd), length);
295 bfd_set_error (bfd_error_invalid_operation);
296 return FALSE;
297 }
298
299 if (bfd_bwrite ((PTR) id, (bfd_size_type) length, abfd) != length)
300 return FALSE;
301 return TRUE;
302 }
303 \f
304 /* Functions for reading from ieee files in the strange way that the
305 standard requires. */
306
307 #define this_byte(ieee) *((ieee)->input_p)
308 #define next_byte(ieee) ((ieee)->input_p++)
309 #define this_byte_and_next(ieee) (*((ieee)->input_p++))
310
311 static unsigned short
312 read_2bytes (ieee)
313 common_header_type *ieee;
314 {
315 unsigned char c1 = this_byte_and_next (ieee);
316 unsigned char c2 = this_byte_and_next (ieee);
317
318 return (c1 << 8) | c2;
319 }
320
321 static void
322 bfd_get_string (ieee, string, length)
323 common_header_type *ieee;
324 char *string;
325 size_t length;
326 {
327 size_t i;
328
329 for (i = 0; i < length; i++)
330 string[i] = this_byte_and_next (ieee);
331 }
332
333 static char *
334 read_id (ieee)
335 common_header_type *ieee;
336 {
337 size_t length;
338 char *string;
339
340 length = this_byte_and_next (ieee);
341 if (length <= 0x7f)
342 {
343 /* Simple string of length 0 to 127. */
344 }
345 else if (length == 0xde)
346 {
347 /* Length is next byte, allowing 0..255. */
348 length = this_byte_and_next (ieee);
349 }
350 else if (length == 0xdf)
351 {
352 /* Length is next two bytes, allowing 0..65535. */
353 length = this_byte_and_next (ieee);
354 length = (length * 256) + this_byte_and_next (ieee);
355 }
356
357 /* Buy memory and read string. */
358 string = bfd_alloc (ieee->abfd, (bfd_size_type) length + 1);
359 if (!string)
360 return NULL;
361 bfd_get_string (ieee, string, length);
362 string[length] = 0;
363 return string;
364 }
365
366 static bfd_boolean
367 ieee_write_expression (abfd, value, symbol, pcrel, index)
368 bfd *abfd;
369 bfd_vma value;
370 asymbol *symbol;
371 bfd_boolean pcrel;
372 unsigned int index;
373 {
374 unsigned int term_count = 0;
375
376 if (value != 0)
377 {
378 if (! ieee_write_int (abfd, value))
379 return FALSE;
380 term_count++;
381 }
382
383 /* Badly formatted binaries can have a missing symbol,
384 so test here to prevent a seg fault. */
385 if (symbol != NULL)
386 {
387 if (bfd_is_com_section (symbol->section)
388 || bfd_is_und_section (symbol->section))
389 {
390 /* Def of a common symbol. */
391 if (! ieee_write_byte (abfd, ieee_variable_X_enum)
392 || ! ieee_write_int (abfd, symbol->value))
393 return FALSE;
394 term_count ++;
395 }
396 else if (! bfd_is_abs_section (symbol->section))
397 {
398 /* Ref to defined symbol - */
399
400 if (symbol->flags & BSF_GLOBAL)
401 {
402 if (! ieee_write_byte (abfd, ieee_variable_I_enum)
403 || ! ieee_write_int (abfd, symbol->value))
404 return FALSE;
405 term_count++;
406 }
407 else if (symbol->flags & (BSF_LOCAL | BSF_SECTION_SYM))
408 {
409 /* This is a reference to a defined local symbol. We can
410 easily do a local as a section+offset. */
411 if (! ieee_write_byte (abfd, ieee_variable_R_enum)
412 || ! ieee_write_byte (abfd,
413 (bfd_byte) (symbol->section->index
414 + IEEE_SECTION_NUMBER_BASE)))
415 return FALSE;
416
417 term_count++;
418 if (symbol->value != 0)
419 {
420 if (! ieee_write_int (abfd, symbol->value))
421 return FALSE;
422 term_count++;
423 }
424 }
425 else
426 {
427 (*_bfd_error_handler)
428 (_("%s: unrecognized symbol `%s' flags 0x%x"),
429 bfd_get_filename (abfd), bfd_asymbol_name (symbol),
430 symbol->flags);
431 bfd_set_error (bfd_error_invalid_operation);
432 return FALSE;
433 }
434 }
435 }
436
437 if (pcrel)
438 {
439 /* Subtract the pc from here by asking for PC of this section. */
440 if (! ieee_write_byte (abfd, ieee_variable_P_enum)
441 || ! ieee_write_byte (abfd,
442 (bfd_byte) (index + IEEE_SECTION_NUMBER_BASE))
443 || ! ieee_write_byte (abfd, ieee_function_minus_enum))
444 return FALSE;
445 }
446
447 /* Handle the degenerate case of a 0 address. */
448 if (term_count == 0)
449 if (! ieee_write_int (abfd, (bfd_vma) 0))
450 return FALSE;
451
452 while (term_count > 1)
453 {
454 if (! ieee_write_byte (abfd, ieee_function_plus_enum))
455 return FALSE;
456 term_count--;
457 }
458
459 return TRUE;
460 }
461 \f
462 /* Writes any integer into the buffer supplied and always takes 5 bytes. */
463
464 static void
465 ieee_write_int5 (buffer, value)
466 bfd_byte *buffer;
467 bfd_vma value;
468 {
469 buffer[0] = (bfd_byte) ieee_number_repeat_4_enum;
470 buffer[1] = (value >> 24) & 0xff;
471 buffer[2] = (value >> 16) & 0xff;
472 buffer[3] = (value >> 8) & 0xff;
473 buffer[4] = (value >> 0) & 0xff;
474 }
475
476 static bfd_boolean
477 ieee_write_int5_out (abfd, value)
478 bfd *abfd;
479 bfd_vma value;
480 {
481 bfd_byte b[5];
482
483 ieee_write_int5 (b, value);
484 if (bfd_bwrite ((PTR) b, (bfd_size_type) 5, abfd) != 5)
485 return FALSE;
486 return TRUE;
487 }
488
489 static bfd_boolean
490 parse_int (ieee, value_ptr)
491 common_header_type *ieee;
492 bfd_vma *value_ptr;
493 {
494 int value = this_byte (ieee);
495 int result;
496
497 if (value >= 0 && value <= 127)
498 {
499 *value_ptr = value;
500 next_byte (ieee);
501 return TRUE;
502 }
503 else if (value >= 0x80 && value <= 0x88)
504 {
505 unsigned int count = value & 0xf;
506
507 result = 0;
508 next_byte (ieee);
509 while (count)
510 {
511 result = (result << 8) | this_byte_and_next (ieee);
512 count--;
513 }
514 *value_ptr = result;
515 return TRUE;
516 }
517 return FALSE;
518 }
519
520 static int
521 parse_i (ieee, ok)
522 common_header_type *ieee;
523 bfd_boolean *ok;
524 {
525 bfd_vma x;
526 *ok = parse_int (ieee, &x);
527 return x;
528 }
529
530 static bfd_vma
531 must_parse_int (ieee)
532 common_header_type *ieee;
533 {
534 bfd_vma result;
535 BFD_ASSERT (parse_int (ieee, &result));
536 return result;
537 }
538
539 typedef struct
540 {
541 bfd_vma value;
542 asection *section;
543 ieee_symbol_index_type symbol;
544 } ieee_value_type;
545
546
547 #if KEEPMINUSPCININST
548
549 #define SRC_MASK(arg) arg
550 #define PCREL_OFFSET FALSE
551
552 #else
553
554 #define SRC_MASK(arg) 0
555 #define PCREL_OFFSET TRUE
556
557 #endif
558
559 static reloc_howto_type abs32_howto =
560 HOWTO (1,
561 0,
562 2,
563 32,
564 FALSE,
565 0,
566 complain_overflow_bitfield,
567 0,
568 "abs32",
569 TRUE,
570 0xffffffff,
571 0xffffffff,
572 FALSE);
573
574 static reloc_howto_type abs16_howto =
575 HOWTO (1,
576 0,
577 1,
578 16,
579 FALSE,
580 0,
581 complain_overflow_bitfield,
582 0,
583 "abs16",
584 TRUE,
585 0x0000ffff,
586 0x0000ffff,
587 FALSE);
588
589 static reloc_howto_type abs8_howto =
590 HOWTO (1,
591 0,
592 0,
593 8,
594 FALSE,
595 0,
596 complain_overflow_bitfield,
597 0,
598 "abs8",
599 TRUE,
600 0x000000ff,
601 0x000000ff,
602 FALSE);
603
604 static reloc_howto_type rel32_howto =
605 HOWTO (1,
606 0,
607 2,
608 32,
609 TRUE,
610 0,
611 complain_overflow_signed,
612 0,
613 "rel32",
614 TRUE,
615 SRC_MASK (0xffffffff),
616 0xffffffff,
617 PCREL_OFFSET);
618
619 static reloc_howto_type rel16_howto =
620 HOWTO (1,
621 0,
622 1,
623 16,
624 TRUE,
625 0,
626 complain_overflow_signed,
627 0,
628 "rel16",
629 TRUE,
630 SRC_MASK (0x0000ffff),
631 0x0000ffff,
632 PCREL_OFFSET);
633
634 static reloc_howto_type rel8_howto =
635 HOWTO (1,
636 0,
637 0,
638 8,
639 TRUE,
640 0,
641 complain_overflow_signed,
642 0,
643 "rel8",
644 TRUE,
645 SRC_MASK (0x000000ff),
646 0x000000ff,
647 PCREL_OFFSET);
648
649 static ieee_symbol_index_type NOSYMBOL = {0, 0};
650
651 static void
652 parse_expression (ieee, value, symbol, pcrel, extra, section)
653 ieee_data_type *ieee;
654 bfd_vma *value;
655 ieee_symbol_index_type *symbol;
656 bfd_boolean *pcrel;
657 unsigned int *extra;
658 asection **section;
659
660 {
661 #define POS sp[1]
662 #define TOS sp[0]
663 #define NOS sp[-1]
664 #define INC sp++;
665 #define DEC sp--;
666
667 bfd_boolean loop = TRUE;
668 ieee_value_type stack[10];
669
670 /* The stack pointer always points to the next unused location. */
671 #define PUSH(x,y,z) TOS.symbol=x;TOS.section=y;TOS.value=z;INC;
672 #define POP(x,y,z) DEC;x=TOS.symbol;y=TOS.section;z=TOS.value;
673 ieee_value_type *sp = stack;
674 asection *dummy;
675
676 while (loop && ieee->h.input_p < ieee->h.last_byte)
677 {
678 switch (this_byte (&(ieee->h)))
679 {
680 case ieee_variable_P_enum:
681 /* P variable, current program counter for section n. */
682 {
683 int section_n;
684
685 next_byte (&(ieee->h));
686 *pcrel = TRUE;
687 section_n = must_parse_int (&(ieee->h));
688 PUSH (NOSYMBOL, bfd_abs_section_ptr, 0);
689 break;
690 }
691 case ieee_variable_L_enum:
692 /* L variable address of section N. */
693 next_byte (&(ieee->h));
694 PUSH (NOSYMBOL, ieee->section_table[must_parse_int (&(ieee->h))], 0);
695 break;
696 case ieee_variable_R_enum:
697 /* R variable, logical address of section module. */
698 /* FIXME, this should be different to L. */
699 next_byte (&(ieee->h));
700 PUSH (NOSYMBOL, ieee->section_table[must_parse_int (&(ieee->h))], 0);
701 break;
702 case ieee_variable_S_enum:
703 /* S variable, size in MAUS of section module. */
704 next_byte (&(ieee->h));
705 PUSH (NOSYMBOL,
706 0,
707 ieee->section_table[must_parse_int (&(ieee->h))]->size);
708 break;
709 case ieee_variable_I_enum:
710 /* Push the address of variable n. */
711 {
712 ieee_symbol_index_type sy;
713 next_byte (&(ieee->h));
714 sy.index = (int) must_parse_int (&(ieee->h));
715 sy.letter = 'I';
716
717 PUSH (sy, bfd_abs_section_ptr, 0);
718 }
719 break;
720 case ieee_variable_X_enum:
721 /* Push the address of external variable n. */
722 {
723 ieee_symbol_index_type sy;
724 next_byte (&(ieee->h));
725 sy.index = (int) (must_parse_int (&(ieee->h)));
726 sy.letter = 'X';
727
728 PUSH (sy, bfd_und_section_ptr, 0);
729 }
730 break;
731 case ieee_function_minus_enum:
732 {
733 bfd_vma value1, value2;
734 asection *section1, *section_dummy;
735 ieee_symbol_index_type sy;
736 next_byte (&(ieee->h));
737
738 POP (sy, section1, value1);
739 POP (sy, section_dummy, value2);
740 PUSH (sy, section1 ? section1 : section_dummy, value2 - value1);
741 }
742 break;
743 case ieee_function_plus_enum:
744 {
745 bfd_vma value1, value2;
746 asection *section1;
747 asection *section2;
748 ieee_symbol_index_type sy1;
749 ieee_symbol_index_type sy2;
750 next_byte (&(ieee->h));
751
752 POP (sy1, section1, value1);
753 POP (sy2, section2, value2);
754 PUSH (sy1.letter ? sy1 : sy2,
755 bfd_is_abs_section (section1) ? section2 : section1,
756 value1 + value2);
757 }
758 break;
759 default:
760 {
761 bfd_vma va;
762 BFD_ASSERT (this_byte (&(ieee->h)) < (int) ieee_variable_A_enum
763 || this_byte (&(ieee->h)) > (int) ieee_variable_Z_enum);
764 if (parse_int (&(ieee->h), &va))
765 {
766 PUSH (NOSYMBOL, bfd_abs_section_ptr, va);
767 }
768 else
769 {
770 /* Thats all that we can understand. */
771 loop = FALSE;
772 }
773 }
774 }
775 }
776
777 /* As far as I can see there is a bug in the Microtec IEEE output
778 which I'm using to scan, whereby the comma operator is omitted
779 sometimes in an expression, giving expressions with too many
780 terms. We can tell if that's the case by ensuring that
781 sp == stack here. If not, then we've pushed something too far,
782 so we keep adding. */
783 while (sp != stack + 1)
784 {
785 asection *section1;
786 ieee_symbol_index_type sy1;
787 POP (sy1, section1, *extra);
788 }
789
790 POP (*symbol, dummy, *value);
791 if (section)
792 *section = dummy;
793 }
794
795
796 #define ieee_seek(ieee, offset) \
797 do \
798 { \
799 ieee->h.input_p = ieee->h.first_byte + offset; \
800 ieee->h.last_byte = (ieee->h.first_byte \
801 + ieee_part_after (ieee, offset)); \
802 } \
803 while (0)
804
805 #define ieee_pos(ieee) \
806 (ieee->h.input_p - ieee->h.first_byte)
807
808 /* Find the first part of the ieee file after HERE. */
809
810 static file_ptr
811 ieee_part_after (ieee, here)
812 ieee_data_type *ieee;
813 file_ptr here;
814 {
815 int part;
816 file_ptr after = ieee->w.r.me_record;
817
818 /* File parts can come in any order, except that module end is
819 guaranteed to be last (and the header first). */
820 for (part = 0; part < N_W_VARIABLES; part++)
821 if (ieee->w.offset[part] > here && after > ieee->w.offset[part])
822 after = ieee->w.offset[part];
823
824 return after;
825 }
826
827 static unsigned int last_index;
828 static char last_type; /* Is the index for an X or a D. */
829
830 static ieee_symbol_type *
831 get_symbol (abfd, ieee, last_symbol, symbol_count, pptr, max_index, this_type)
832 bfd *abfd ATTRIBUTE_UNUSED;
833 ieee_data_type *ieee;
834 ieee_symbol_type *last_symbol;
835 unsigned int *symbol_count;
836 ieee_symbol_type ***pptr;
837 unsigned int *max_index;
838 int this_type;
839 {
840 /* Need a new symbol. */
841 unsigned int new_index = must_parse_int (&(ieee->h));
842
843 if (new_index != last_index || this_type != last_type)
844 {
845 ieee_symbol_type *new_symbol;
846 bfd_size_type amt = sizeof (ieee_symbol_type);
847
848 new_symbol = (ieee_symbol_type *) bfd_alloc (ieee->h.abfd, amt);
849 if (!new_symbol)
850 return NULL;
851
852 new_symbol->index = new_index;
853 last_index = new_index;
854 (*symbol_count)++;
855 **pptr = new_symbol;
856 *pptr = &new_symbol->next;
857 if (new_index > *max_index)
858 *max_index = new_index;
859
860 last_type = this_type;
861 new_symbol->symbol.section = bfd_abs_section_ptr;
862 return new_symbol;
863 }
864 return last_symbol;
865 }
866
867 static bfd_boolean
868 ieee_slurp_external_symbols (abfd)
869 bfd *abfd;
870 {
871 ieee_data_type *ieee = IEEE_DATA (abfd);
872 file_ptr offset = ieee->w.r.external_part;
873
874 ieee_symbol_type **prev_symbols_ptr = &ieee->external_symbols;
875 ieee_symbol_type **prev_reference_ptr = &ieee->external_reference;
876 ieee_symbol_type *symbol = (ieee_symbol_type *) NULL;
877 unsigned int symbol_count = 0;
878 bfd_boolean loop = TRUE;
879 last_index = 0xffffff;
880 ieee->symbol_table_full = TRUE;
881
882 ieee_seek (ieee, offset);
883
884 while (loop)
885 {
886 switch (this_byte (&(ieee->h)))
887 {
888 case ieee_nn_record:
889 next_byte (&(ieee->h));
890
891 symbol = get_symbol (abfd, ieee, symbol, &symbol_count,
892 &prev_symbols_ptr,
893 &ieee->external_symbol_max_index, 'I');
894 if (symbol == NULL)
895 return FALSE;
896
897 symbol->symbol.the_bfd = abfd;
898 symbol->symbol.name = read_id (&(ieee->h));
899 symbol->symbol.udata.p = (PTR) NULL;
900 symbol->symbol.flags = BSF_NO_FLAGS;
901 break;
902 case ieee_external_symbol_enum:
903 next_byte (&(ieee->h));
904
905 symbol = get_symbol (abfd, ieee, symbol, &symbol_count,
906 &prev_symbols_ptr,
907 &ieee->external_symbol_max_index, 'D');
908 if (symbol == NULL)
909 return FALSE;
910
911 BFD_ASSERT (symbol->index >= ieee->external_symbol_min_index);
912
913 symbol->symbol.the_bfd = abfd;
914 symbol->symbol.name = read_id (&(ieee->h));
915 symbol->symbol.udata.p = (PTR) NULL;
916 symbol->symbol.flags = BSF_NO_FLAGS;
917 break;
918 case ieee_attribute_record_enum >> 8:
919 {
920 unsigned int symbol_name_index;
921 unsigned int symbol_type_index;
922 unsigned int symbol_attribute_def;
923 bfd_vma value;
924 switch (read_2bytes (&ieee->h))
925 {
926 case ieee_attribute_record_enum:
927 symbol_name_index = must_parse_int (&(ieee->h));
928 symbol_type_index = must_parse_int (&(ieee->h));
929 symbol_attribute_def = must_parse_int (&(ieee->h));
930 switch (symbol_attribute_def)
931 {
932 case 8:
933 case 19:
934 parse_int (&ieee->h, &value);
935 break;
936 default:
937 (*_bfd_error_handler)
938 (_("%B: unimplemented ATI record %u for symbol %u"),
939 abfd, symbol_attribute_def, symbol_name_index);
940 bfd_set_error (bfd_error_bad_value);
941 return FALSE;
942 break;
943 }
944 break;
945 case ieee_external_reference_info_record_enum:
946 /* Skip over ATX record. */
947 parse_int (&(ieee->h), &value);
948 parse_int (&(ieee->h), &value);
949 parse_int (&(ieee->h), &value);
950 parse_int (&(ieee->h), &value);
951 break;
952 case ieee_atn_record_enum:
953 /* We may get call optimization information here,
954 which we just ignore. The format is
955 {$F1}${CE}{index}{$00}{$3F}{$3F}{#_of_ASNs}. */
956 parse_int (&ieee->h, &value);
957 parse_int (&ieee->h, &value);
958 parse_int (&ieee->h, &value);
959 if (value != 0x3f)
960 {
961 (*_bfd_error_handler)
962 (_("%B: unexpected ATN type %d in external part"),
963 abfd, (int) value);
964 bfd_set_error (bfd_error_bad_value);
965 return FALSE;
966 }
967 parse_int (&ieee->h, &value);
968 parse_int (&ieee->h, &value);
969 while (value > 0)
970 {
971 bfd_vma val1;
972
973 --value;
974
975 switch (read_2bytes (&ieee->h))
976 {
977 case ieee_asn_record_enum:
978 parse_int (&ieee->h, &val1);
979 parse_int (&ieee->h, &val1);
980 break;
981
982 default:
983 (*_bfd_error_handler)
984 (_("%B: unexpected type after ATN"), abfd);
985 bfd_set_error (bfd_error_bad_value);
986 return FALSE;
987 }
988 }
989 }
990 }
991 break;
992 case ieee_value_record_enum >> 8:
993 {
994 unsigned int symbol_name_index;
995 ieee_symbol_index_type symbol_ignore;
996 bfd_boolean pcrel_ignore;
997 unsigned int extra;
998 next_byte (&(ieee->h));
999 next_byte (&(ieee->h));
1000
1001 symbol_name_index = must_parse_int (&(ieee->h));
1002 parse_expression (ieee,
1003 &symbol->symbol.value,
1004 &symbol_ignore,
1005 &pcrel_ignore,
1006 &extra,
1007 &symbol->symbol.section);
1008
1009 /* Fully linked IEEE-695 files tend to give every symbol
1010 an absolute value. Try to convert that back into a
1011 section relative value. FIXME: This won't always to
1012 the right thing. */
1013 if (bfd_is_abs_section (symbol->symbol.section)
1014 && (abfd->flags & HAS_RELOC) == 0)
1015 {
1016 bfd_vma val;
1017 asection *s;
1018
1019 val = symbol->symbol.value;
1020 for (s = abfd->sections; s != NULL; s = s->next)
1021 {
1022 if (val >= s->vma && val < s->vma + s->size)
1023 {
1024 symbol->symbol.section = s;
1025 symbol->symbol.value -= s->vma;
1026 break;
1027 }
1028 }
1029 }
1030
1031 symbol->symbol.flags = BSF_GLOBAL | BSF_EXPORT;
1032
1033 }
1034 break;
1035 case ieee_weak_external_reference_enum:
1036 {
1037 bfd_vma size;
1038 bfd_vma value;
1039 next_byte (&(ieee->h));
1040 /* Throw away the external reference index. */
1041 (void) must_parse_int (&(ieee->h));
1042 /* Fetch the default size if not resolved. */
1043 size = must_parse_int (&(ieee->h));
1044 /* Fetch the default value if available. */
1045 if (! parse_int (&(ieee->h), &value))
1046 {
1047 value = 0;
1048 }
1049 /* This turns into a common. */
1050 symbol->symbol.section = bfd_com_section_ptr;
1051 symbol->symbol.value = size;
1052 }
1053 break;
1054
1055 case ieee_external_reference_enum:
1056 next_byte (&(ieee->h));
1057
1058 symbol = get_symbol (abfd, ieee, symbol, &symbol_count,
1059 &prev_reference_ptr,
1060 &ieee->external_reference_max_index, 'X');
1061 if (symbol == NULL)
1062 return FALSE;
1063
1064 symbol->symbol.the_bfd = abfd;
1065 symbol->symbol.name = read_id (&(ieee->h));
1066 symbol->symbol.udata.p = (PTR) NULL;
1067 symbol->symbol.section = bfd_und_section_ptr;
1068 symbol->symbol.value = (bfd_vma) 0;
1069 symbol->symbol.flags = 0;
1070
1071 BFD_ASSERT (symbol->index >= ieee->external_reference_min_index);
1072 break;
1073
1074 default:
1075 loop = FALSE;
1076 }
1077 }
1078
1079 if (ieee->external_symbol_max_index != 0)
1080 {
1081 ieee->external_symbol_count =
1082 ieee->external_symbol_max_index -
1083 ieee->external_symbol_min_index + 1;
1084 }
1085 else
1086 {
1087 ieee->external_symbol_count = 0;
1088 }
1089
1090 if (ieee->external_reference_max_index != 0)
1091 {
1092 ieee->external_reference_count =
1093 ieee->external_reference_max_index -
1094 ieee->external_reference_min_index + 1;
1095 }
1096 else
1097 {
1098 ieee->external_reference_count = 0;
1099 }
1100
1101 abfd->symcount =
1102 ieee->external_reference_count + ieee->external_symbol_count;
1103
1104 if (symbol_count != abfd->symcount)
1105 {
1106 /* There are gaps in the table -- */
1107 ieee->symbol_table_full = FALSE;
1108 }
1109
1110 *prev_symbols_ptr = (ieee_symbol_type *) NULL;
1111 *prev_reference_ptr = (ieee_symbol_type *) NULL;
1112
1113 return TRUE;
1114 }
1115
1116 static bfd_boolean
1117 ieee_slurp_symbol_table (abfd)
1118 bfd *abfd;
1119 {
1120 if (! IEEE_DATA (abfd)->read_symbols)
1121 {
1122 if (! ieee_slurp_external_symbols (abfd))
1123 return FALSE;
1124 IEEE_DATA (abfd)->read_symbols = TRUE;
1125 }
1126 return TRUE;
1127 }
1128
1129 static long
1130 ieee_get_symtab_upper_bound (abfd)
1131 bfd *abfd;
1132 {
1133 if (! ieee_slurp_symbol_table (abfd))
1134 return -1;
1135
1136 return (abfd->symcount != 0) ?
1137 (abfd->symcount + 1) * (sizeof (ieee_symbol_type *)) : 0;
1138 }
1139
1140 /* Move from our internal lists to the canon table, and insert in
1141 symbol index order. */
1142
1143 extern const bfd_target ieee_vec;
1144
1145 static long
1146 ieee_canonicalize_symtab (abfd, location)
1147 bfd *abfd;
1148 asymbol **location;
1149 {
1150 ieee_symbol_type *symp;
1151 static bfd dummy_bfd;
1152 static asymbol empty_symbol =
1153 {
1154 &dummy_bfd,
1155 " ieee empty",
1156 (symvalue) 0,
1157 BSF_DEBUGGING,
1158 bfd_abs_section_ptr
1159 #ifdef __STDC__
1160 /* K&R compilers can't initialise unions. */
1161 , { 0 }
1162 #endif
1163 };
1164
1165 if (abfd->symcount)
1166 {
1167 ieee_data_type *ieee = IEEE_DATA (abfd);
1168 dummy_bfd.xvec = &ieee_vec;
1169 if (! ieee_slurp_symbol_table (abfd))
1170 return -1;
1171
1172 if (! ieee->symbol_table_full)
1173 {
1174 /* Arrgh - there are gaps in the table, run through and fill them
1175 up with pointers to a null place. */
1176 unsigned int i;
1177
1178 for (i = 0; i < abfd->symcount; i++)
1179 location[i] = &empty_symbol;
1180 }
1181
1182 ieee->external_symbol_base_offset = -ieee->external_symbol_min_index;
1183 for (symp = IEEE_DATA (abfd)->external_symbols;
1184 symp != (ieee_symbol_type *) NULL;
1185 symp = symp->next)
1186 /* Place into table at correct index locations. */
1187 location[symp->index + ieee->external_symbol_base_offset] = &symp->symbol;
1188
1189 /* The external refs are indexed in a bit. */
1190 ieee->external_reference_base_offset =
1191 -ieee->external_reference_min_index + ieee->external_symbol_count;
1192
1193 for (symp = IEEE_DATA (abfd)->external_reference;
1194 symp != (ieee_symbol_type *) NULL;
1195 symp = symp->next)
1196 location[symp->index + ieee->external_reference_base_offset] =
1197 &symp->symbol;
1198 }
1199
1200 if (abfd->symcount)
1201 location[abfd->symcount] = (asymbol *) NULL;
1202
1203 return abfd->symcount;
1204 }
1205
1206 static asection *
1207 get_section_entry (abfd, ieee, index)
1208 bfd *abfd;
1209 ieee_data_type *ieee;
1210 unsigned int index;
1211 {
1212 if (index >= ieee->section_table_size)
1213 {
1214 unsigned int c, i;
1215 asection **n;
1216 bfd_size_type amt;
1217
1218 c = ieee->section_table_size;
1219 if (c == 0)
1220 c = 20;
1221 while (c <= index)
1222 c *= 2;
1223
1224 amt = c;
1225 amt *= sizeof (asection *);
1226 n = (asection **) bfd_realloc (ieee->section_table, amt);
1227 if (n == NULL)
1228 return NULL;
1229
1230 for (i = ieee->section_table_size; i < c; i++)
1231 n[i] = NULL;
1232
1233 ieee->section_table = n;
1234 ieee->section_table_size = c;
1235 }
1236
1237 if (ieee->section_table[index] == (asection *) NULL)
1238 {
1239 char *tmp = bfd_alloc (abfd, (bfd_size_type) 11);
1240 asection *section;
1241
1242 if (!tmp)
1243 return NULL;
1244 sprintf (tmp, " fsec%4d", index);
1245 section = bfd_make_section (abfd, tmp);
1246 ieee->section_table[index] = section;
1247 section->flags = SEC_NO_FLAGS;
1248 section->target_index = index;
1249 ieee->section_table[index] = section;
1250 }
1251 return ieee->section_table[index];
1252 }
1253
1254 static void
1255 ieee_slurp_sections (abfd)
1256 bfd *abfd;
1257 {
1258 ieee_data_type *ieee = IEEE_DATA (abfd);
1259 file_ptr offset = ieee->w.r.section_part;
1260 char *name;
1261
1262 if (offset != 0)
1263 {
1264 bfd_byte section_type[3];
1265 ieee_seek (ieee, offset);
1266 while (TRUE)
1267 {
1268 switch (this_byte (&(ieee->h)))
1269 {
1270 case ieee_section_type_enum:
1271 {
1272 asection *section;
1273 unsigned int section_index;
1274 next_byte (&(ieee->h));
1275 section_index = must_parse_int (&(ieee->h));
1276
1277 section = get_section_entry (abfd, ieee, section_index);
1278
1279 section_type[0] = this_byte_and_next (&(ieee->h));
1280
1281 /* Set minimal section attributes. Attributes are
1282 extended later, based on section contents. */
1283 switch (section_type[0])
1284 {
1285 case 0xC1:
1286 /* Normal attributes for absolute sections. */
1287 section_type[1] = this_byte (&(ieee->h));
1288 section->flags = SEC_ALLOC;
1289 switch (section_type[1])
1290 {
1291 case 0xD3: /* AS Absolute section attributes. */
1292 next_byte (&(ieee->h));
1293 section_type[2] = this_byte (&(ieee->h));
1294 switch (section_type[2])
1295 {
1296 case 0xD0:
1297 /* Normal code. */
1298 next_byte (&(ieee->h));
1299 section->flags |= SEC_CODE;
1300 break;
1301 case 0xC4:
1302 /* Normal data. */
1303 next_byte (&(ieee->h));
1304 section->flags |= SEC_DATA;
1305 break;
1306 case 0xD2:
1307 next_byte (&(ieee->h));
1308 /* Normal rom data. */
1309 section->flags |= SEC_ROM | SEC_DATA;
1310 break;
1311 default:
1312 break;
1313 }
1314 }
1315 break;
1316 case 0xC3: /* Named relocatable sections (type C). */
1317 section_type[1] = this_byte (&(ieee->h));
1318 section->flags = SEC_ALLOC;
1319 switch (section_type[1])
1320 {
1321 case 0xD0: /* Normal code (CP). */
1322 next_byte (&(ieee->h));
1323 section->flags |= SEC_CODE;
1324 break;
1325 case 0xC4: /* Normal data (CD). */
1326 next_byte (&(ieee->h));
1327 section->flags |= SEC_DATA;
1328 break;
1329 case 0xD2: /* Normal rom data (CR). */
1330 next_byte (&(ieee->h));
1331 section->flags |= SEC_ROM | SEC_DATA;
1332 break;
1333 default:
1334 break;
1335 }
1336 }
1337
1338 /* Read section name, use it if non empty. */
1339 name = read_id (&ieee->h);
1340 if (name[0])
1341 section->name = name;
1342
1343 /* Skip these fields, which we don't care about. */
1344 {
1345 bfd_vma parent, brother, context;
1346 parse_int (&(ieee->h), &parent);
1347 parse_int (&(ieee->h), &brother);
1348 parse_int (&(ieee->h), &context);
1349 }
1350 }
1351 break;
1352 case ieee_section_alignment_enum:
1353 {
1354 unsigned int section_index;
1355 bfd_vma value;
1356 asection *section;
1357 next_byte (&(ieee->h));
1358 section_index = must_parse_int (&ieee->h);
1359 section = get_section_entry (abfd, ieee, section_index);
1360 if (section_index > ieee->section_count)
1361 {
1362 ieee->section_count = section_index;
1363 }
1364 section->alignment_power =
1365 bfd_log2 (must_parse_int (&ieee->h));
1366 (void) parse_int (&(ieee->h), &value);
1367 }
1368 break;
1369 case ieee_e2_first_byte_enum:
1370 {
1371 asection *section;
1372 ieee_record_enum_type t;
1373
1374 t = (ieee_record_enum_type) (read_2bytes (&(ieee->h)));
1375 switch (t)
1376 {
1377 case ieee_section_size_enum:
1378 section = ieee->section_table[must_parse_int (&(ieee->h))];
1379 section->size = must_parse_int (&(ieee->h));
1380 break;
1381 case ieee_physical_region_size_enum:
1382 section = ieee->section_table[must_parse_int (&(ieee->h))];
1383 section->size = must_parse_int (&(ieee->h));
1384 break;
1385 case ieee_region_base_address_enum:
1386 section = ieee->section_table[must_parse_int (&(ieee->h))];
1387 section->vma = must_parse_int (&(ieee->h));
1388 section->lma = section->vma;
1389 break;
1390 case ieee_mau_size_enum:
1391 must_parse_int (&(ieee->h));
1392 must_parse_int (&(ieee->h));
1393 break;
1394 case ieee_m_value_enum:
1395 must_parse_int (&(ieee->h));
1396 must_parse_int (&(ieee->h));
1397 break;
1398 case ieee_section_base_address_enum:
1399 section = ieee->section_table[must_parse_int (&(ieee->h))];
1400 section->vma = must_parse_int (&(ieee->h));
1401 section->lma = section->vma;
1402 break;
1403 case ieee_section_offset_enum:
1404 (void) must_parse_int (&(ieee->h));
1405 (void) must_parse_int (&(ieee->h));
1406 break;
1407 default:
1408 return;
1409 }
1410 }
1411 break;
1412 default:
1413 return;
1414 }
1415 }
1416 }
1417 }
1418
1419 /* Make a section for the debugging information, if any. We don't try
1420 to interpret the debugging information; we just point the section
1421 at the area in the file so that program which understand can dig it
1422 out. */
1423
1424 static bfd_boolean
1425 ieee_slurp_debug (abfd)
1426 bfd *abfd;
1427 {
1428 ieee_data_type *ieee = IEEE_DATA (abfd);
1429 asection *sec;
1430 file_ptr debug_end;
1431
1432 if (ieee->w.r.debug_information_part == 0)
1433 return TRUE;
1434
1435 sec = bfd_make_section (abfd, ".debug");
1436 if (sec == NULL)
1437 return FALSE;
1438 sec->flags |= SEC_DEBUGGING | SEC_HAS_CONTENTS;
1439 sec->filepos = ieee->w.r.debug_information_part;
1440
1441 debug_end = ieee_part_after (ieee, ieee->w.r.debug_information_part);
1442 sec->size = debug_end - ieee->w.r.debug_information_part;
1443
1444 return TRUE;
1445 }
1446 \f
1447 /* Archive stuff. */
1448
1449 const bfd_target *
1450 ieee_archive_p (abfd)
1451 bfd *abfd;
1452 {
1453 char *library;
1454 unsigned int i;
1455 unsigned char buffer[512];
1456 file_ptr buffer_offset = 0;
1457 ieee_ar_data_type *save = abfd->tdata.ieee_ar_data;
1458 ieee_ar_data_type *ieee;
1459 bfd_size_type alc_elts;
1460 ieee_ar_obstack_type *elts = NULL;
1461 bfd_size_type amt = sizeof (ieee_ar_data_type);
1462
1463 abfd->tdata.ieee_ar_data = (ieee_ar_data_type *) bfd_alloc (abfd, amt);
1464 if (!abfd->tdata.ieee_ar_data)
1465 goto error_ret_restore;
1466 ieee = IEEE_AR_DATA (abfd);
1467
1468 /* Ignore the return value here. It doesn't matter if we don't read
1469 the entire buffer. We might have a very small ieee file. */
1470 bfd_bread ((PTR) buffer, (bfd_size_type) sizeof (buffer), abfd);
1471
1472 ieee->h.first_byte = buffer;
1473 ieee->h.input_p = buffer;
1474
1475 ieee->h.abfd = abfd;
1476
1477 if (this_byte (&(ieee->h)) != Module_Beginning)
1478 goto got_wrong_format_error;
1479
1480 next_byte (&(ieee->h));
1481 library = read_id (&(ieee->h));
1482 if (strcmp (library, "LIBRARY") != 0)
1483 goto got_wrong_format_error;
1484
1485 /* Throw away the filename. */
1486 read_id (&(ieee->h));
1487
1488 ieee->element_count = 0;
1489 ieee->element_index = 0;
1490
1491 next_byte (&(ieee->h)); /* Drop the ad part. */
1492 must_parse_int (&(ieee->h)); /* And the two dummy numbers. */
1493 must_parse_int (&(ieee->h));
1494
1495 alc_elts = 10;
1496 elts = (ieee_ar_obstack_type *) bfd_malloc (alc_elts * sizeof *elts);
1497 if (elts == NULL)
1498 goto error_return;
1499
1500 /* Read the index of the BB table. */
1501 while (1)
1502 {
1503 int rec;
1504 ieee_ar_obstack_type *t;
1505
1506 rec = read_2bytes (&(ieee->h));
1507 if (rec != (int) ieee_assign_value_to_variable_enum)
1508 break;
1509
1510 if (ieee->element_count >= alc_elts)
1511 {
1512 ieee_ar_obstack_type *n;
1513
1514 alc_elts *= 2;
1515 n = ((ieee_ar_obstack_type *)
1516 bfd_realloc (elts, alc_elts * sizeof *elts));
1517 if (n == NULL)
1518 goto error_return;
1519 elts = n;
1520 }
1521
1522 t = &elts[ieee->element_count];
1523 ieee->element_count++;
1524
1525 must_parse_int (&(ieee->h));
1526 t->file_offset = must_parse_int (&(ieee->h));
1527 t->abfd = (bfd *) NULL;
1528
1529 /* Make sure that we don't go over the end of the buffer. */
1530 if ((size_t) ieee_pos (IEEE_DATA (abfd)) > sizeof (buffer) / 2)
1531 {
1532 /* Past half way, reseek and reprime. */
1533 buffer_offset += ieee_pos (IEEE_DATA (abfd));
1534 if (bfd_seek (abfd, buffer_offset, SEEK_SET) != 0)
1535 goto error_return;
1536
1537 /* Again ignore return value of bfd_bread. */
1538 bfd_bread ((PTR) buffer, (bfd_size_type) sizeof (buffer), abfd);
1539 ieee->h.first_byte = buffer;
1540 ieee->h.input_p = buffer;
1541 }
1542 }
1543
1544 amt = ieee->element_count;
1545 amt *= sizeof *ieee->elements;
1546 ieee->elements = (ieee_ar_obstack_type *) bfd_alloc (abfd, amt);
1547 if (ieee->elements == NULL)
1548 goto error_return;
1549
1550 memcpy (ieee->elements, elts, (size_t) amt);
1551 free (elts);
1552 elts = NULL;
1553
1554 /* Now scan the area again, and replace BB offsets with file offsets. */
1555 for (i = 2; i < ieee->element_count; i++)
1556 {
1557 if (bfd_seek (abfd, ieee->elements[i].file_offset, SEEK_SET) != 0)
1558 goto error_return;
1559
1560 /* Again ignore return value of bfd_bread. */
1561 bfd_bread ((PTR) buffer, (bfd_size_type) sizeof (buffer), abfd);
1562 ieee->h.first_byte = buffer;
1563 ieee->h.input_p = buffer;
1564
1565 next_byte (&(ieee->h)); /* Drop F8. */
1566 next_byte (&(ieee->h)); /* Drop 14. */
1567 must_parse_int (&(ieee->h)); /* Drop size of block. */
1568
1569 if (must_parse_int (&(ieee->h)) != 0)
1570 /* This object has been deleted. */
1571 ieee->elements[i].file_offset = 0;
1572 else
1573 ieee->elements[i].file_offset = must_parse_int (&(ieee->h));
1574 }
1575
1576 /* abfd->has_armap = ;*/
1577
1578 return abfd->xvec;
1579
1580 got_wrong_format_error:
1581 bfd_set_error (bfd_error_wrong_format);
1582 error_return:
1583 if (elts != NULL)
1584 free (elts);
1585 bfd_release (abfd, ieee);
1586 error_ret_restore:
1587 abfd->tdata.ieee_ar_data = save;
1588
1589 return NULL;
1590 }
1591
1592 const bfd_target *
1593 ieee_object_p (abfd)
1594 bfd *abfd;
1595 {
1596 char *processor;
1597 unsigned int part;
1598 ieee_data_type *ieee;
1599 unsigned char buffer[300];
1600 ieee_data_type *save = IEEE_DATA (abfd);
1601 bfd_size_type amt;
1602
1603 abfd->tdata.ieee_data = 0;
1604 ieee_mkobject (abfd);
1605
1606 ieee = IEEE_DATA (abfd);
1607 if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
1608 goto fail;
1609 /* Read the first few bytes in to see if it makes sense. Ignore
1610 bfd_bread return value; The file might be very small. */
1611 bfd_bread ((PTR) buffer, (bfd_size_type) sizeof (buffer), abfd);
1612
1613 ieee->h.input_p = buffer;
1614 if (this_byte_and_next (&(ieee->h)) != Module_Beginning)
1615 goto got_wrong_format;
1616
1617 ieee->read_symbols = FALSE;
1618 ieee->read_data = FALSE;
1619 ieee->section_count = 0;
1620 ieee->external_symbol_max_index = 0;
1621 ieee->external_symbol_min_index = IEEE_PUBLIC_BASE;
1622 ieee->external_reference_min_index = IEEE_REFERENCE_BASE;
1623 ieee->external_reference_max_index = 0;
1624 ieee->h.abfd = abfd;
1625 ieee->section_table = NULL;
1626 ieee->section_table_size = 0;
1627
1628 processor = ieee->mb.processor = read_id (&(ieee->h));
1629 if (strcmp (processor, "LIBRARY") == 0)
1630 goto got_wrong_format;
1631 ieee->mb.module_name = read_id (&(ieee->h));
1632 if (abfd->filename == (const char *) NULL)
1633 abfd->filename = ieee->mb.module_name;
1634
1635 /* Determine the architecture and machine type of the object file. */
1636 {
1637 const bfd_arch_info_type *arch;
1638 char family[10];
1639
1640 /* IEEE does not specify the format of the processor identification
1641 string, so the compiler is free to put in it whatever it wants.
1642 We try here to recognize different processors belonging to the
1643 m68k family. Code for other processors can be added here. */
1644 if ((processor[0] == '6') && (processor[1] == '8'))
1645 {
1646 if (processor[2] == '3') /* 683xx integrated processors */
1647 {
1648 switch (processor[3])
1649 {
1650 case '0': /* 68302, 68306, 68307 */
1651 case '2': /* 68322, 68328 */
1652 case '5': /* 68356 */
1653 strcpy (family, "68000"); /* MC68000-based controllers */
1654 break;
1655
1656 case '3': /* 68330, 68331, 68332, 68333,
1657 68334, 68335, 68336, 68338 */
1658 case '6': /* 68360 */
1659 case '7': /* 68376 */
1660 strcpy (family, "68332"); /* CPU32 and CPU32+ */
1661 break;
1662
1663 case '4':
1664 if (processor[4] == '9') /* 68349 */
1665 strcpy (family, "68030"); /* CPU030 */
1666 else /* 68340, 68341 */
1667 strcpy (family, "68332"); /* CPU32 and CPU32+ */
1668 break;
1669
1670 default: /* Does not exist yet */
1671 strcpy (family, "68332"); /* Guess it will be CPU32 */
1672 }
1673 }
1674 else if (TOUPPER (processor[3]) == 'F') /* 68F333 */
1675 strcpy (family, "68332"); /* CPU32 */
1676 else if ((TOUPPER (processor[3]) == 'C') /* Embedded controllers. */
1677 && ((TOUPPER (processor[2]) == 'E')
1678 || (TOUPPER (processor[2]) == 'H')
1679 || (TOUPPER (processor[2]) == 'L')))
1680 {
1681 strcpy (family, "68");
1682 strncat (family, processor + 4, 7);
1683 family[9] = '\0';
1684 }
1685 else /* "Regular" processors. */
1686 {
1687 strncpy (family, processor, 9);
1688 family[9] = '\0';
1689 }
1690 }
1691 else if ((strncmp (processor, "cpu32", 5) == 0) /* CPU32 and CPU32+ */
1692 || (strncmp (processor, "CPU32", 5) == 0))
1693 strcpy (family, "68332");
1694 else
1695 {
1696 strncpy (family, processor, 9);
1697 family[9] = '\0';
1698 }
1699
1700 arch = bfd_scan_arch (family);
1701 if (arch == 0)
1702 goto got_wrong_format;
1703 abfd->arch_info = arch;
1704 }
1705
1706 if (this_byte (&(ieee->h)) != (int) ieee_address_descriptor_enum)
1707 goto fail;
1708
1709 next_byte (&(ieee->h));
1710
1711 if (! parse_int (&(ieee->h), &ieee->ad.number_of_bits_mau))
1712 goto fail;
1713
1714 if (! parse_int (&(ieee->h), &ieee->ad.number_of_maus_in_address))
1715 goto fail;
1716
1717 /* If there is a byte order info, take it. */
1718 if (this_byte (&(ieee->h)) == (int) ieee_variable_L_enum
1719 || this_byte (&(ieee->h)) == (int) ieee_variable_M_enum)
1720 next_byte (&(ieee->h));
1721
1722 for (part = 0; part < N_W_VARIABLES; part++)
1723 {
1724 bfd_boolean ok;
1725
1726 if (read_2bytes (&(ieee->h)) != (int) ieee_assign_value_to_variable_enum)
1727 goto fail;
1728
1729 if (this_byte_and_next (&(ieee->h)) != part)
1730 goto fail;
1731
1732 ieee->w.offset[part] = parse_i (&(ieee->h), &ok);
1733 if (! ok)
1734 goto fail;
1735 }
1736
1737 if (ieee->w.r.external_part != 0)
1738 abfd->flags = HAS_SYMS;
1739
1740 /* By now we know that this is a real IEEE file, we're going to read
1741 the whole thing into memory so that we can run up and down it
1742 quickly. We can work out how big the file is from the trailer
1743 record. */
1744
1745 amt = ieee->w.r.me_record + 1;
1746 IEEE_DATA (abfd)->h.first_byte =
1747 (unsigned char *) bfd_alloc (ieee->h.abfd, amt);
1748 if (!IEEE_DATA (abfd)->h.first_byte)
1749 goto fail;
1750 if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
1751 goto fail;
1752 /* FIXME: Check return value. I'm not sure whether it needs to read
1753 the entire buffer or not. */
1754 bfd_bread ((PTR) (IEEE_DATA (abfd)->h.first_byte),
1755 (bfd_size_type) ieee->w.r.me_record + 1, abfd);
1756
1757 ieee_slurp_sections (abfd);
1758
1759 if (! ieee_slurp_debug (abfd))
1760 goto fail;
1761
1762 /* Parse section data to activate file and section flags implied by
1763 section contents. */
1764 if (! ieee_slurp_section_data (abfd))
1765 goto fail;
1766
1767 return abfd->xvec;
1768 got_wrong_format:
1769 bfd_set_error (bfd_error_wrong_format);
1770 fail:
1771 bfd_release (abfd, ieee);
1772 abfd->tdata.ieee_data = save;
1773 return (const bfd_target *) NULL;
1774 }
1775
1776 static void
1777 ieee_get_symbol_info (ignore_abfd, symbol, ret)
1778 bfd *ignore_abfd ATTRIBUTE_UNUSED;
1779 asymbol *symbol;
1780 symbol_info *ret;
1781 {
1782 bfd_symbol_info (symbol, ret);
1783 if (symbol->name[0] == ' ')
1784 ret->name = "* empty table entry ";
1785 if (!symbol->section)
1786 ret->type = (symbol->flags & BSF_LOCAL) ? 'a' : 'A';
1787 }
1788
1789 static void
1790 ieee_print_symbol (abfd, afile, symbol, how)
1791 bfd *abfd;
1792 PTR afile;
1793 asymbol *symbol;
1794 bfd_print_symbol_type how;
1795 {
1796 FILE *file = (FILE *) afile;
1797
1798 switch (how)
1799 {
1800 case bfd_print_symbol_name:
1801 fprintf (file, "%s", symbol->name);
1802 break;
1803 case bfd_print_symbol_more:
1804 #if 0
1805 fprintf (file, "%4x %2x", aout_symbol (symbol)->desc & 0xffff,
1806 aout_symbol (symbol)->other & 0xff);
1807 #endif
1808 BFD_FAIL ();
1809 break;
1810 case bfd_print_symbol_all:
1811 {
1812 const char *section_name =
1813 (symbol->section == (asection *) NULL
1814 ? "*abs"
1815 : symbol->section->name);
1816
1817 if (symbol->name[0] == ' ')
1818 {
1819 fprintf (file, "* empty table entry ");
1820 }
1821 else
1822 {
1823 bfd_print_symbol_vandf (abfd, (PTR) file, symbol);
1824
1825 fprintf (file, " %-5s %04x %02x %s",
1826 section_name,
1827 (unsigned) ieee_symbol (symbol)->index,
1828 (unsigned) 0,
1829 symbol->name);
1830 }
1831 }
1832 break;
1833 }
1834 }
1835
1836 static bfd_boolean
1837 do_one (ieee, current_map, location_ptr, s, iterations)
1838 ieee_data_type *ieee;
1839 ieee_per_section_type *current_map;
1840 unsigned char *location_ptr;
1841 asection *s;
1842 int iterations;
1843 {
1844 switch (this_byte (&(ieee->h)))
1845 {
1846 case ieee_load_constant_bytes_enum:
1847 {
1848 unsigned int number_of_maus;
1849 unsigned int i;
1850
1851 next_byte (&(ieee->h));
1852 number_of_maus = must_parse_int (&(ieee->h));
1853
1854 for (i = 0; i < number_of_maus; i++)
1855 {
1856 location_ptr[current_map->pc++] = this_byte (&(ieee->h));
1857 next_byte (&(ieee->h));
1858 }
1859 }
1860 break;
1861
1862 case ieee_load_with_relocation_enum:
1863 {
1864 bfd_boolean loop = TRUE;
1865
1866 next_byte (&(ieee->h));
1867 while (loop)
1868 {
1869 switch (this_byte (&(ieee->h)))
1870 {
1871 case ieee_variable_R_enum:
1872
1873 case ieee_function_signed_open_b_enum:
1874 case ieee_function_unsigned_open_b_enum:
1875 case ieee_function_either_open_b_enum:
1876 {
1877 unsigned int extra = 4;
1878 bfd_boolean pcrel = FALSE;
1879 asection *section;
1880 ieee_reloc_type *r;
1881 bfd_size_type amt = sizeof (ieee_reloc_type);
1882
1883 r = (ieee_reloc_type *) bfd_alloc (ieee->h.abfd, amt);
1884 if (!r)
1885 return FALSE;
1886
1887 *(current_map->reloc_tail_ptr) = r;
1888 current_map->reloc_tail_ptr = &r->next;
1889 r->next = (ieee_reloc_type *) NULL;
1890 next_byte (&(ieee->h));
1891 /* abort();*/
1892 r->relent.sym_ptr_ptr = 0;
1893 parse_expression (ieee,
1894 &r->relent.addend,
1895 &r->symbol,
1896 &pcrel, &extra, &section);
1897 r->relent.address = current_map->pc;
1898 s->flags |= SEC_RELOC;
1899 s->owner->flags |= HAS_RELOC;
1900 s->reloc_count++;
1901 if (r->relent.sym_ptr_ptr == NULL && section != NULL)
1902 r->relent.sym_ptr_ptr = section->symbol_ptr_ptr;
1903
1904 if (this_byte (&(ieee->h)) == (int) ieee_comma)
1905 {
1906 next_byte (&(ieee->h));
1907 /* Fetch number of bytes to pad. */
1908 extra = must_parse_int (&(ieee->h));
1909 };
1910
1911 switch (this_byte (&(ieee->h)))
1912 {
1913 case ieee_function_signed_close_b_enum:
1914 next_byte (&(ieee->h));
1915 break;
1916 case ieee_function_unsigned_close_b_enum:
1917 next_byte (&(ieee->h));
1918 break;
1919 case ieee_function_either_close_b_enum:
1920 next_byte (&(ieee->h));
1921 break;
1922 default:
1923 break;
1924 }
1925 /* Build a relocation entry for this type. */
1926 /* If pc rel then stick -ve pc into instruction
1927 and take out of reloc ..
1928
1929 I've changed this. It's all too complicated. I
1930 keep 0 in the instruction now. */
1931
1932 switch (extra)
1933 {
1934 case 0:
1935 case 4:
1936
1937 if (pcrel)
1938 {
1939 #if KEEPMINUSPCININST
1940 bfd_put_32 (ieee->h.abfd, -current_map->pc,
1941 location_ptr + current_map->pc);
1942 r->relent.howto = &rel32_howto;
1943 r->relent.addend -= current_map->pc;
1944 #else
1945 bfd_put_32 (ieee->h.abfd, (bfd_vma) 0, location_ptr +
1946 current_map->pc);
1947 r->relent.howto = &rel32_howto;
1948 #endif
1949 }
1950 else
1951 {
1952 bfd_put_32 (ieee->h.abfd, (bfd_vma) 0,
1953 location_ptr + current_map->pc);
1954 r->relent.howto = &abs32_howto;
1955 }
1956 current_map->pc += 4;
1957 break;
1958 case 2:
1959 if (pcrel)
1960 {
1961 #if KEEPMINUSPCININST
1962 bfd_put_16 (ieee->h.abfd, (bfd_vma) -current_map->pc,
1963 location_ptr + current_map->pc);
1964 r->relent.addend -= current_map->pc;
1965 r->relent.howto = &rel16_howto;
1966 #else
1967
1968 bfd_put_16 (ieee->h.abfd, (bfd_vma) 0,
1969 location_ptr + current_map->pc);
1970 r->relent.howto = &rel16_howto;
1971 #endif
1972 }
1973
1974 else
1975 {
1976 bfd_put_16 (ieee->h.abfd, (bfd_vma) 0,
1977 location_ptr + current_map->pc);
1978 r->relent.howto = &abs16_howto;
1979 }
1980 current_map->pc += 2;
1981 break;
1982 case 1:
1983 if (pcrel)
1984 {
1985 #if KEEPMINUSPCININST
1986 bfd_put_8 (ieee->h.abfd, (int) (-current_map->pc), location_ptr + current_map->pc);
1987 r->relent.addend -= current_map->pc;
1988 r->relent.howto = &rel8_howto;
1989 #else
1990 bfd_put_8 (ieee->h.abfd, 0, location_ptr + current_map->pc);
1991 r->relent.howto = &rel8_howto;
1992 #endif
1993 }
1994 else
1995 {
1996 bfd_put_8 (ieee->h.abfd, 0, location_ptr + current_map->pc);
1997 r->relent.howto = &abs8_howto;
1998 }
1999 current_map->pc += 1;
2000 break;
2001
2002 default:
2003 BFD_FAIL ();
2004 return FALSE;
2005 }
2006 }
2007 break;
2008 default:
2009 {
2010 bfd_vma this_size;
2011 if (parse_int (&(ieee->h), &this_size))
2012 {
2013 unsigned int i;
2014 for (i = 0; i < this_size; i++)
2015 {
2016 location_ptr[current_map->pc++] = this_byte (&(ieee->h));
2017 next_byte (&(ieee->h));
2018 }
2019 }
2020 else
2021 {
2022 loop = FALSE;
2023 }
2024 }
2025 }
2026
2027 /* Prevent more than the first load-item of an LR record
2028 from being repeated (MRI convention). */
2029 if (iterations != 1)
2030 loop = FALSE;
2031 }
2032 }
2033 }
2034 return TRUE;
2035 }
2036
2037 /* Read in all the section data and relocation stuff too. */
2038
2039 static bfd_boolean
2040 ieee_slurp_section_data (abfd)
2041 bfd *abfd;
2042 {
2043 bfd_byte *location_ptr = (bfd_byte *) NULL;
2044 ieee_data_type *ieee = IEEE_DATA (abfd);
2045 unsigned int section_number;
2046
2047 ieee_per_section_type *current_map = (ieee_per_section_type *) NULL;
2048 asection *s;
2049 /* Seek to the start of the data area. */
2050 if (ieee->read_data)
2051 return TRUE;
2052 ieee->read_data = TRUE;
2053 ieee_seek (ieee, ieee->w.r.data_part);
2054
2055 /* Allocate enough space for all the section contents. */
2056 for (s = abfd->sections; s != (asection *) NULL; s = s->next)
2057 {
2058 ieee_per_section_type *per = ieee_per_section (s);
2059 if ((s->flags & SEC_DEBUGGING) != 0)
2060 continue;
2061 per->data = (bfd_byte *) bfd_alloc (ieee->h.abfd, s->size);
2062 if (!per->data)
2063 return FALSE;
2064 per->reloc_tail_ptr =
2065 (ieee_reloc_type **) & (s->relocation);
2066 }
2067
2068 while (TRUE)
2069 {
2070 switch (this_byte (&(ieee->h)))
2071 {
2072 /* IF we see anything strange then quit. */
2073 default:
2074 return TRUE;
2075
2076 case ieee_set_current_section_enum:
2077 next_byte (&(ieee->h));
2078 section_number = must_parse_int (&(ieee->h));
2079 s = ieee->section_table[section_number];
2080 s->flags |= SEC_LOAD | SEC_HAS_CONTENTS;
2081 current_map = ieee_per_section (s);
2082 location_ptr = current_map->data - s->vma;
2083 /* The document I have says that Microtec's compilers reset
2084 this after a sec section, even though the standard says not
2085 to, SO... */
2086 current_map->pc = s->vma;
2087 break;
2088
2089 case ieee_e2_first_byte_enum:
2090 next_byte (&(ieee->h));
2091 switch (this_byte (&(ieee->h)))
2092 {
2093 case ieee_set_current_pc_enum & 0xff:
2094 {
2095 bfd_vma value;
2096 ieee_symbol_index_type symbol;
2097 unsigned int extra;
2098 bfd_boolean pcrel;
2099
2100 next_byte (&(ieee->h));
2101 must_parse_int (&(ieee->h)); /* Throw away section #. */
2102 parse_expression (ieee, &value,
2103 &symbol,
2104 &pcrel, &extra,
2105 0);
2106 current_map->pc = value;
2107 BFD_ASSERT ((unsigned) (value - s->vma) <= s->size);
2108 }
2109 break;
2110
2111 case ieee_value_starting_address_enum & 0xff:
2112 next_byte (&(ieee->h));
2113 if (this_byte (&(ieee->h)) == ieee_function_either_open_b_enum)
2114 next_byte (&(ieee->h));
2115 abfd->start_address = must_parse_int (&(ieee->h));
2116 /* We've got to the end of the data now - */
2117 return TRUE;
2118 default:
2119 BFD_FAIL ();
2120 return FALSE;
2121 }
2122 break;
2123 case ieee_repeat_data_enum:
2124 {
2125 /* Repeat the following LD or LR n times - we do this by
2126 remembering the stream pointer before running it and
2127 resetting it and running it n times. We special case
2128 the repetition of a repeat_data/load_constant. */
2129 unsigned int iterations;
2130 unsigned char *start;
2131
2132 next_byte (&(ieee->h));
2133 iterations = must_parse_int (&(ieee->h));
2134 start = ieee->h.input_p;
2135 if (start[0] == (int) ieee_load_constant_bytes_enum
2136 && start[1] == 1)
2137 {
2138 while (iterations != 0)
2139 {
2140 location_ptr[current_map->pc++] = start[2];
2141 iterations--;
2142 }
2143 next_byte (&(ieee->h));
2144 next_byte (&(ieee->h));
2145 next_byte (&(ieee->h));
2146 }
2147 else
2148 {
2149 while (iterations != 0)
2150 {
2151 ieee->h.input_p = start;
2152 if (!do_one (ieee, current_map, location_ptr, s,
2153 (int) iterations))
2154 return FALSE;
2155 iterations--;
2156 }
2157 }
2158 }
2159 break;
2160 case ieee_load_constant_bytes_enum:
2161 case ieee_load_with_relocation_enum:
2162 if (!do_one (ieee, current_map, location_ptr, s, 1))
2163 return FALSE;
2164 }
2165 }
2166 }
2167
2168 static bfd_boolean
2169 ieee_new_section_hook (abfd, newsect)
2170 bfd *abfd;
2171 asection *newsect;
2172 {
2173 newsect->used_by_bfd
2174 = (PTR) bfd_alloc (abfd, (bfd_size_type) sizeof (ieee_per_section_type));
2175 if (!newsect->used_by_bfd)
2176 return FALSE;
2177 ieee_per_section (newsect)->data = (bfd_byte *) NULL;
2178 ieee_per_section (newsect)->section = newsect;
2179 return TRUE;
2180 }
2181
2182 static long
2183 ieee_get_reloc_upper_bound (abfd, asect)
2184 bfd *abfd;
2185 sec_ptr asect;
2186 {
2187 if ((asect->flags & SEC_DEBUGGING) != 0)
2188 return 0;
2189 if (! ieee_slurp_section_data (abfd))
2190 return -1;
2191 return (asect->reloc_count + 1) * sizeof (arelent *);
2192 }
2193
2194 static bfd_boolean
2195 ieee_get_section_contents (abfd, section, location, offset, count)
2196 bfd *abfd;
2197 sec_ptr section;
2198 PTR location;
2199 file_ptr offset;
2200 bfd_size_type count;
2201 {
2202 ieee_per_section_type *p = ieee_per_section (section);
2203 if ((section->flags & SEC_DEBUGGING) != 0)
2204 return _bfd_generic_get_section_contents (abfd, section, location,
2205 offset, count);
2206 ieee_slurp_section_data (abfd);
2207 (void) memcpy ((PTR) location, (PTR) (p->data + offset), (unsigned) count);
2208 return TRUE;
2209 }
2210
2211 static long
2212 ieee_canonicalize_reloc (abfd, section, relptr, symbols)
2213 bfd *abfd;
2214 sec_ptr section;
2215 arelent **relptr;
2216 asymbol **symbols;
2217 {
2218 ieee_reloc_type *src = (ieee_reloc_type *) (section->relocation);
2219 ieee_data_type *ieee = IEEE_DATA (abfd);
2220
2221 if ((section->flags & SEC_DEBUGGING) != 0)
2222 return 0;
2223
2224 while (src != (ieee_reloc_type *) NULL)
2225 {
2226 /* Work out which symbol to attach it this reloc to. */
2227 switch (src->symbol.letter)
2228 {
2229 case 'I':
2230 src->relent.sym_ptr_ptr =
2231 symbols + src->symbol.index + ieee->external_symbol_base_offset;
2232 break;
2233 case 'X':
2234 src->relent.sym_ptr_ptr =
2235 symbols + src->symbol.index + ieee->external_reference_base_offset;
2236 break;
2237 case 0:
2238 if (src->relent.sym_ptr_ptr != NULL)
2239 src->relent.sym_ptr_ptr =
2240 src->relent.sym_ptr_ptr[0]->section->symbol_ptr_ptr;
2241 break;
2242 default:
2243
2244 BFD_FAIL ();
2245 }
2246 *relptr++ = &src->relent;
2247 src = src->next;
2248 }
2249 *relptr = (arelent *) NULL;
2250 return section->reloc_count;
2251 }
2252
2253 static int
2254 comp (ap, bp)
2255 const PTR ap;
2256 const PTR bp;
2257 {
2258 arelent *a = *((arelent **) ap);
2259 arelent *b = *((arelent **) bp);
2260 return a->address - b->address;
2261 }
2262
2263 /* Write the section headers. */
2264
2265 static bfd_boolean
2266 ieee_write_section_part (abfd)
2267 bfd *abfd;
2268 {
2269 ieee_data_type *ieee = IEEE_DATA (abfd);
2270 asection *s;
2271 ieee->w.r.section_part = bfd_tell (abfd);
2272 for (s = abfd->sections; s != (asection *) NULL; s = s->next)
2273 {
2274 if (! bfd_is_abs_section (s)
2275 && (s->flags & SEC_DEBUGGING) == 0)
2276 {
2277 if (! ieee_write_byte (abfd, ieee_section_type_enum)
2278 || ! ieee_write_byte (abfd,
2279 (bfd_byte) (s->index
2280 + IEEE_SECTION_NUMBER_BASE)))
2281 return FALSE;
2282
2283 if (abfd->flags & EXEC_P)
2284 {
2285 /* This image is executable, so output absolute sections. */
2286 if (! ieee_write_byte (abfd, ieee_variable_A_enum)
2287 || ! ieee_write_byte (abfd, ieee_variable_S_enum))
2288 return FALSE;
2289 }
2290 else
2291 {
2292 if (! ieee_write_byte (abfd, ieee_variable_C_enum))
2293 return FALSE;
2294 }
2295
2296 switch (s->flags & (SEC_CODE | SEC_DATA | SEC_ROM))
2297 {
2298 case SEC_CODE | SEC_LOAD:
2299 case SEC_CODE:
2300 if (! ieee_write_byte (abfd, ieee_variable_P_enum))
2301 return FALSE;
2302 break;
2303 case SEC_DATA:
2304 default:
2305 if (! ieee_write_byte (abfd, ieee_variable_D_enum))
2306 return FALSE;
2307 break;
2308 case SEC_ROM:
2309 case SEC_ROM | SEC_DATA:
2310 case SEC_ROM | SEC_LOAD:
2311 case SEC_ROM | SEC_DATA | SEC_LOAD:
2312 if (! ieee_write_byte (abfd, ieee_variable_R_enum))
2313 return FALSE;
2314 }
2315
2316
2317 if (! ieee_write_id (abfd, s->name))
2318 return FALSE;
2319 #if 0
2320 ieee_write_int (abfd, 0); /* Parent */
2321 ieee_write_int (abfd, 0); /* Brother */
2322 ieee_write_int (abfd, 0); /* Context */
2323 #endif
2324 /* Alignment. */
2325 if (! ieee_write_byte (abfd, ieee_section_alignment_enum)
2326 || ! ieee_write_byte (abfd,
2327 (bfd_byte) (s->index
2328 + IEEE_SECTION_NUMBER_BASE))
2329 || ! ieee_write_int (abfd, (bfd_vma) 1 << s->alignment_power))
2330 return FALSE;
2331
2332 /* Size. */
2333 if (! ieee_write_2bytes (abfd, ieee_section_size_enum)
2334 || ! ieee_write_byte (abfd,
2335 (bfd_byte) (s->index
2336 + IEEE_SECTION_NUMBER_BASE))
2337 || ! ieee_write_int (abfd, s->size))
2338 return FALSE;
2339 if (abfd->flags & EXEC_P)
2340 {
2341 /* Relocateable sections don't have asl records. */
2342 /* Vma. */
2343 if (! ieee_write_2bytes (abfd, ieee_section_base_address_enum)
2344 || ! ieee_write_byte (abfd,
2345 ((bfd_byte)
2346 (s->index
2347 + IEEE_SECTION_NUMBER_BASE)))
2348 || ! ieee_write_int (abfd, s->lma))
2349 return FALSE;
2350 }
2351 }
2352 }
2353
2354 return TRUE;
2355 }
2356
2357
2358 static bfd_boolean
2359 do_with_relocs (abfd, s)
2360 bfd *abfd;
2361 asection *s;
2362 {
2363 unsigned int number_of_maus_in_address =
2364 bfd_arch_bits_per_address (abfd) / bfd_arch_bits_per_byte (abfd);
2365 unsigned int relocs_to_go = s->reloc_count;
2366 bfd_byte *stream = ieee_per_section (s)->data;
2367 arelent **p = s->orelocation;
2368 bfd_size_type current_byte_index = 0;
2369
2370 qsort (s->orelocation,
2371 relocs_to_go,
2372 sizeof (arelent **),
2373 comp);
2374
2375 /* Output the section preheader. */
2376 if (! ieee_write_byte (abfd, ieee_set_current_section_enum)
2377 || ! ieee_write_byte (abfd,
2378 (bfd_byte) (s->index + IEEE_SECTION_NUMBER_BASE))
2379 || ! ieee_write_2bytes (abfd, ieee_set_current_pc_enum)
2380 || ! ieee_write_byte (abfd,
2381 (bfd_byte) (s->index + IEEE_SECTION_NUMBER_BASE)))
2382 return FALSE;
2383
2384 if ((abfd->flags & EXEC_P) != 0 && relocs_to_go == 0)
2385 {
2386 if (! ieee_write_int (abfd, s->lma))
2387 return FALSE;
2388 }
2389 else
2390 {
2391 if (! ieee_write_expression (abfd, (bfd_vma) 0, s->symbol, 0, 0))
2392 return FALSE;
2393 }
2394
2395 if (relocs_to_go == 0)
2396 {
2397 /* If there aren't any relocations then output the load constant
2398 byte opcode rather than the load with relocation opcode. */
2399 while (current_byte_index < s->size)
2400 {
2401 bfd_size_type run;
2402 unsigned int MAXRUN = 127;
2403
2404 run = MAXRUN;
2405 if (run > s->size - current_byte_index)
2406 run = s->size - current_byte_index;
2407
2408 if (run != 0)
2409 {
2410 if (! ieee_write_byte (abfd, ieee_load_constant_bytes_enum))
2411 return FALSE;
2412 /* Output a stream of bytes. */
2413 if (! ieee_write_int (abfd, run))
2414 return FALSE;
2415 if (bfd_bwrite ((PTR) (stream + current_byte_index), run, abfd)
2416 != run)
2417 return FALSE;
2418 current_byte_index += run;
2419 }
2420 }
2421 }
2422 else
2423 {
2424 if (! ieee_write_byte (abfd, ieee_load_with_relocation_enum))
2425 return FALSE;
2426
2427 /* Output the data stream as the longest sequence of bytes
2428 possible, allowing for the a reasonable packet size and
2429 relocation stuffs. */
2430
2431 if ((PTR) stream == (PTR) NULL)
2432 {
2433 /* Outputting a section without data, fill it up. */
2434 stream = (unsigned char *) bfd_zalloc (abfd, s->size);
2435 if (!stream)
2436 return FALSE;
2437 }
2438 while (current_byte_index < s->size)
2439 {
2440 bfd_size_type run;
2441 unsigned int MAXRUN = 127;
2442
2443 if (relocs_to_go)
2444 {
2445 run = (*p)->address - current_byte_index;
2446 if (run > MAXRUN)
2447 run = MAXRUN;
2448 }
2449 else
2450 run = MAXRUN;
2451
2452 if (run > s->size - current_byte_index)
2453 run = s->size - current_byte_index;
2454
2455 if (run != 0)
2456 {
2457 /* Output a stream of bytes. */
2458 if (! ieee_write_int (abfd, run))
2459 return FALSE;
2460 if (bfd_bwrite ((PTR) (stream + current_byte_index), run, abfd)
2461 != run)
2462 return FALSE;
2463 current_byte_index += run;
2464 }
2465
2466 /* Output any relocations here. */
2467 if (relocs_to_go && (*p) && (*p)->address == current_byte_index)
2468 {
2469 while (relocs_to_go
2470 && (*p) && (*p)->address == current_byte_index)
2471 {
2472 arelent *r = *p;
2473 bfd_signed_vma ov;
2474 #if 0
2475 if (r->howto->pc_relative)
2476 r->addend += current_byte_index;
2477 #endif
2478 switch (r->howto->size)
2479 {
2480 case 2:
2481
2482 ov = bfd_get_signed_32 (abfd,
2483 stream + current_byte_index);
2484 current_byte_index += 4;
2485 break;
2486 case 1:
2487 ov = bfd_get_signed_16 (abfd,
2488 stream + current_byte_index);
2489 current_byte_index += 2;
2490 break;
2491 case 0:
2492 ov = bfd_get_signed_8 (abfd,
2493 stream + current_byte_index);
2494 current_byte_index++;
2495 break;
2496 default:
2497 ov = 0;
2498 BFD_FAIL ();
2499 return FALSE;
2500 }
2501
2502 ov &= r->howto->src_mask;
2503
2504 if (r->howto->pc_relative
2505 && ! r->howto->pcrel_offset)
2506 ov += r->address;
2507
2508 if (! ieee_write_byte (abfd,
2509 ieee_function_either_open_b_enum))
2510 return FALSE;
2511
2512 /* abort();*/
2513
2514 if (r->sym_ptr_ptr != (asymbol **) NULL)
2515 {
2516 if (! ieee_write_expression (abfd, r->addend + ov,
2517 *(r->sym_ptr_ptr),
2518 r->howto->pc_relative,
2519 (unsigned) s->index))
2520 return FALSE;
2521 }
2522 else
2523 {
2524 if (! ieee_write_expression (abfd, r->addend + ov,
2525 (asymbol *) NULL,
2526 r->howto->pc_relative,
2527 (unsigned) s->index))
2528 return FALSE;
2529 }
2530
2531 if (number_of_maus_in_address
2532 != bfd_get_reloc_size (r->howto))
2533 {
2534 bfd_vma rsize = bfd_get_reloc_size (r->howto);
2535 if (! ieee_write_int (abfd, rsize))
2536 return FALSE;
2537 }
2538 if (! ieee_write_byte (abfd,
2539 ieee_function_either_close_b_enum))
2540 return FALSE;
2541
2542 relocs_to_go--;
2543 p++;
2544 }
2545
2546 }
2547 }
2548 }
2549
2550 return TRUE;
2551 }
2552
2553 /* If there are no relocations in the output section then we can be
2554 clever about how we write. We block items up into a max of 127
2555 bytes. */
2556
2557 static bfd_boolean
2558 do_as_repeat (abfd, s)
2559 bfd *abfd;
2560 asection *s;
2561 {
2562 if (s->size)
2563 {
2564 if (! ieee_write_byte (abfd, ieee_set_current_section_enum)
2565 || ! ieee_write_byte (abfd,
2566 (bfd_byte) (s->index
2567 + IEEE_SECTION_NUMBER_BASE))
2568 || ! ieee_write_byte (abfd, ieee_set_current_pc_enum >> 8)
2569 || ! ieee_write_byte (abfd, ieee_set_current_pc_enum & 0xff)
2570 || ! ieee_write_byte (abfd,
2571 (bfd_byte) (s->index
2572 + IEEE_SECTION_NUMBER_BASE)))
2573 return FALSE;
2574
2575 if ((abfd->flags & EXEC_P) != 0)
2576 {
2577 if (! ieee_write_int (abfd, s->lma))
2578 return FALSE;
2579 }
2580 else
2581 {
2582 if (! ieee_write_expression (abfd, (bfd_vma) 0, s->symbol, 0, 0))
2583 return FALSE;
2584 }
2585
2586 if (! ieee_write_byte (abfd, ieee_repeat_data_enum)
2587 || ! ieee_write_int (abfd, s->size)
2588 || ! ieee_write_byte (abfd, ieee_load_constant_bytes_enum)
2589 || ! ieee_write_byte (abfd, 1)
2590 || ! ieee_write_byte (abfd, 0))
2591 return FALSE;
2592 }
2593
2594 return TRUE;
2595 }
2596
2597 static bfd_boolean
2598 do_without_relocs (abfd, s)
2599 bfd *abfd;
2600 asection *s;
2601 {
2602 bfd_byte *stream = ieee_per_section (s)->data;
2603
2604 if (stream == 0 || ((s->flags & SEC_LOAD) == 0))
2605 {
2606 if (! do_as_repeat (abfd, s))
2607 return FALSE;
2608 }
2609 else
2610 {
2611 unsigned int i;
2612
2613 for (i = 0; i < s->size; i++)
2614 {
2615 if (stream[i] != 0)
2616 {
2617 if (! do_with_relocs (abfd, s))
2618 return FALSE;
2619 return TRUE;
2620 }
2621 }
2622 if (! do_as_repeat (abfd, s))
2623 return FALSE;
2624 }
2625
2626 return TRUE;
2627 }
2628
2629
2630 static unsigned char *output_ptr_start;
2631 static unsigned char *output_ptr;
2632 static unsigned char *output_ptr_end;
2633 static unsigned char *input_ptr_start;
2634 static unsigned char *input_ptr;
2635 static unsigned char *input_ptr_end;
2636 static bfd *input_bfd;
2637 static bfd *output_bfd;
2638 static int output_buffer;
2639
2640 static bfd_boolean
2641 ieee_mkobject (abfd)
2642 bfd *abfd;
2643 {
2644 bfd_size_type amt;
2645
2646 output_ptr_start = NULL;
2647 output_ptr = NULL;
2648 output_ptr_end = NULL;
2649 input_ptr_start = NULL;
2650 input_ptr = NULL;
2651 input_ptr_end = NULL;
2652 input_bfd = NULL;
2653 output_bfd = NULL;
2654 output_buffer = 0;
2655 amt = sizeof (ieee_data_type);
2656 abfd->tdata.ieee_data = (ieee_data_type *) bfd_zalloc (abfd, amt);
2657 return abfd->tdata.ieee_data != NULL;
2658 }
2659
2660 static void
2661 fill ()
2662 {
2663 bfd_size_type amt = input_ptr_end - input_ptr_start;
2664 /* FIXME: Check return value. I'm not sure whether it needs to read
2665 the entire buffer or not. */
2666 bfd_bread ((PTR) input_ptr_start, amt, input_bfd);
2667 input_ptr = input_ptr_start;
2668 }
2669
2670 static void
2671 flush ()
2672 {
2673 bfd_size_type amt = output_ptr - output_ptr_start;
2674
2675 if (bfd_bwrite ((PTR) (output_ptr_start), amt, output_bfd) != amt)
2676 abort ();
2677 output_ptr = output_ptr_start;
2678 output_buffer++;
2679 }
2680
2681 #define THIS() ( *input_ptr )
2682 #define NEXT() { input_ptr++; if (input_ptr == input_ptr_end) fill(); }
2683 #define OUT(x) { *output_ptr++ = (x); if(output_ptr == output_ptr_end) flush(); }
2684
2685 static void
2686 write_int (value)
2687 int value;
2688 {
2689 if (value >= 0 && value <= 127)
2690 {
2691 OUT (value);
2692 }
2693 else
2694 {
2695 unsigned int length;
2696 /* How many significant bytes ? */
2697 /* FIXME FOR LONGER INTS. */
2698 if (value & 0xff000000)
2699 length = 4;
2700 else if (value & 0x00ff0000)
2701 length = 3;
2702 else if (value & 0x0000ff00)
2703 length = 2;
2704 else
2705 length = 1;
2706
2707 OUT ((int) ieee_number_repeat_start_enum + length);
2708 switch (length)
2709 {
2710 case 4:
2711 OUT (value >> 24);
2712 case 3:
2713 OUT (value >> 16);
2714 case 2:
2715 OUT (value >> 8);
2716 case 1:
2717 OUT (value);
2718 }
2719 }
2720 }
2721
2722 static void
2723 copy_id ()
2724 {
2725 int length = THIS ();
2726 char ch;
2727
2728 OUT (length);
2729 NEXT ();
2730 while (length--)
2731 {
2732 ch = THIS ();
2733 OUT (ch);
2734 NEXT ();
2735 }
2736 }
2737
2738 #define VAR(x) ((x | 0x80))
2739 static void
2740 copy_expression ()
2741 {
2742 int stack[10];
2743 int *tos = stack;
2744 int value;
2745
2746 while (1)
2747 {
2748 switch (THIS ())
2749 {
2750 case 0x84:
2751 NEXT ();
2752 value = THIS ();
2753 NEXT ();
2754 value = (value << 8) | THIS ();
2755 NEXT ();
2756 value = (value << 8) | THIS ();
2757 NEXT ();
2758 value = (value << 8) | THIS ();
2759 NEXT ();
2760 *tos++ = value;
2761 break;
2762 case 0x83:
2763 NEXT ();
2764 value = THIS ();
2765 NEXT ();
2766 value = (value << 8) | THIS ();
2767 NEXT ();
2768 value = (value << 8) | THIS ();
2769 NEXT ();
2770 *tos++ = value;
2771 break;
2772 case 0x82:
2773 NEXT ();
2774 value = THIS ();
2775 NEXT ();
2776 value = (value << 8) | THIS ();
2777 NEXT ();
2778 *tos++ = value;
2779 break;
2780 case 0x81:
2781 NEXT ();
2782 value = THIS ();
2783 NEXT ();
2784 *tos++ = value;
2785 break;
2786 case 0x80:
2787 NEXT ();
2788 *tos++ = 0;
2789 break;
2790 default:
2791 if (THIS () > 0x84)
2792 {
2793 /* Not a number, just bug out with the answer. */
2794 write_int (*(--tos));
2795 return;
2796 }
2797 *tos++ = THIS ();
2798 NEXT ();
2799 break;
2800 case 0xa5:
2801 /* PLUS anything. */
2802 value = *(--tos);
2803 value += *(--tos);
2804 *tos++ = value;
2805 NEXT ();
2806 break;
2807 case VAR ('R'):
2808 {
2809 int section_number;
2810 ieee_data_type *ieee;
2811 asection *s;
2812
2813 NEXT ();
2814 section_number = THIS ();
2815
2816 NEXT ();
2817 ieee = IEEE_DATA (input_bfd);
2818 s = ieee->section_table[section_number];
2819 value = 0;
2820 if (s->output_section)
2821 value = s->output_section->lma;
2822 value += s->output_offset;
2823 *tos++ = value;
2824 }
2825 break;
2826 case 0x90:
2827 {
2828 NEXT ();
2829 write_int (*(--tos));
2830 OUT (0x90);
2831 return;
2832 }
2833 }
2834 }
2835 }
2836
2837 /* Drop the int in the buffer, and copy a null into the gap, which we
2838 will overwrite later */
2839
2840 static void
2841 fill_int (buf)
2842 struct output_buffer_struct *buf;
2843 {
2844 if (buf->buffer == output_buffer)
2845 {
2846 /* Still a chance to output the size. */
2847 int value = output_ptr - buf->ptrp + 3;
2848 buf->ptrp[0] = value >> 24;
2849 buf->ptrp[1] = value >> 16;
2850 buf->ptrp[2] = value >> 8;
2851 buf->ptrp[3] = value >> 0;
2852 }
2853 }
2854
2855 static void
2856 drop_int (buf)
2857 struct output_buffer_struct *buf;
2858 {
2859 int type = THIS ();
2860 int ch;
2861
2862 if (type <= 0x84)
2863 {
2864 NEXT ();
2865 switch (type)
2866 {
2867 case 0x84:
2868 ch = THIS ();
2869 NEXT ();
2870 case 0x83:
2871 ch = THIS ();
2872 NEXT ();
2873 case 0x82:
2874 ch = THIS ();
2875 NEXT ();
2876 case 0x81:
2877 ch = THIS ();
2878 NEXT ();
2879 case 0x80:
2880 break;
2881 }
2882 }
2883 OUT (0x84);
2884 buf->ptrp = output_ptr;
2885 buf->buffer = output_buffer;
2886 OUT (0);
2887 OUT (0);
2888 OUT (0);
2889 OUT (0);
2890 }
2891
2892 static void
2893 copy_int ()
2894 {
2895 int type = THIS ();
2896 int ch;
2897 if (type <= 0x84)
2898 {
2899 OUT (type);
2900 NEXT ();
2901 switch (type)
2902 {
2903 case 0x84:
2904 ch = THIS ();
2905 NEXT ();
2906 OUT (ch);
2907 case 0x83:
2908 ch = THIS ();
2909 NEXT ();
2910 OUT (ch);
2911 case 0x82:
2912 ch = THIS ();
2913 NEXT ();
2914 OUT (ch);
2915 case 0x81:
2916 ch = THIS ();
2917 NEXT ();
2918 OUT (ch);
2919 case 0x80:
2920 break;
2921 }
2922 }
2923 }
2924
2925 #define ID copy_id()
2926 #define INT copy_int()
2927 #define EXP copy_expression()
2928 #define INTn(q) copy_int()
2929 #define EXPn(q) copy_expression()
2930
2931 static void
2932 f1_record ()
2933 {
2934 int ch;
2935
2936 /* ATN record. */
2937 NEXT ();
2938 ch = THIS ();
2939 switch (ch)
2940 {
2941 default:
2942 OUT (0xf1);
2943 OUT (ch);
2944 break;
2945 case 0xc9:
2946 NEXT ();
2947 OUT (0xf1);
2948 OUT (0xc9);
2949 INT;
2950 INT;
2951 ch = THIS ();
2952 switch (ch)
2953 {
2954 case 0x16:
2955 NEXT ();
2956 break;
2957 case 0x01:
2958 NEXT ();
2959 break;
2960 case 0x00:
2961 NEXT ();
2962 INT;
2963 break;
2964 case 0x03:
2965 NEXT ();
2966 INT;
2967 break;
2968 case 0x13:
2969 EXPn (instruction address);
2970 break;
2971 default:
2972 break;
2973 }
2974 break;
2975 case 0xd8:
2976 /* EXternal ref. */
2977 NEXT ();
2978 OUT (0xf1);
2979 OUT (0xd8);
2980 EXP;
2981 EXP;
2982 EXP;
2983 EXP;
2984 break;
2985 case 0xce:
2986 NEXT ();
2987 OUT (0xf1);
2988 OUT (0xce);
2989 INT;
2990 INT;
2991 ch = THIS ();
2992 INT;
2993 switch (ch)
2994 {
2995 case 0x01:
2996 INT;
2997 INT;
2998 break;
2999 case 0x02:
3000 INT;
3001 break;
3002 case 0x04:
3003 EXPn (external function);
3004 break;
3005 case 0x05:
3006 break;
3007 case 0x07:
3008 INTn (line number);
3009 INT;
3010 case 0x08:
3011 break;
3012 case 0x0a:
3013 INTn (locked register);
3014 INT;
3015 break;
3016 case 0x3f:
3017 copy_till_end ();
3018 break;
3019 case 0x3e:
3020 copy_till_end ();
3021 break;
3022 case 0x40:
3023 copy_till_end ();
3024 break;
3025 case 0x41:
3026 ID;
3027 break;
3028 }
3029 }
3030 }
3031
3032 static void
3033 f0_record ()
3034 {
3035 /* Attribute record. */
3036 NEXT ();
3037 OUT (0xf0);
3038 INTn (Symbol name);
3039 ID;
3040 }
3041
3042 static void
3043 copy_till_end ()
3044 {
3045 int ch = THIS ();
3046
3047 while (1)
3048 {
3049 while (ch <= 0x80)
3050 {
3051 OUT (ch);
3052 NEXT ();
3053 ch = THIS ();
3054 }
3055 switch (ch)
3056 {
3057 case 0x84:
3058 OUT (THIS ());
3059 NEXT ();
3060 case 0x83:
3061 OUT (THIS ());
3062 NEXT ();
3063 case 0x82:
3064 OUT (THIS ());
3065 NEXT ();
3066 case 0x81:
3067 OUT (THIS ());
3068 NEXT ();
3069 OUT (THIS ());
3070 NEXT ();
3071
3072 ch = THIS ();
3073 break;
3074 default:
3075 return;
3076 }
3077 }
3078
3079 }
3080
3081 static void
3082 f2_record ()
3083 {
3084 NEXT ();
3085 OUT (0xf2);
3086 INT;
3087 NEXT ();
3088 OUT (0xce);
3089 INT;
3090 copy_till_end ();
3091 }
3092
3093
3094 static void
3095 f8_record ()
3096 {
3097 int ch;
3098 NEXT ();
3099 ch = THIS ();
3100 switch (ch)
3101 {
3102 case 0x01:
3103 case 0x02:
3104 case 0x03:
3105 /* Unique typedefs for module. */
3106 /* GLobal typedefs. */
3107 /* High level module scope beginning. */
3108 {
3109 struct output_buffer_struct ob;
3110
3111 NEXT ();
3112 OUT (0xf8);
3113 OUT (ch);
3114 drop_int (&ob);
3115 ID;
3116
3117 block ();
3118
3119 NEXT ();
3120 fill_int (&ob);
3121 OUT (0xf9);
3122 }
3123 break;
3124 case 0x04:
3125 /* Global function. */
3126 {
3127 struct output_buffer_struct ob;
3128
3129 NEXT ();
3130 OUT (0xf8);
3131 OUT (0x04);
3132 drop_int (&ob);
3133 ID;
3134 INTn (stack size);
3135 INTn (ret val);
3136 EXPn (offset);
3137
3138 block ();
3139
3140 NEXT ();
3141 OUT (0xf9);
3142 EXPn (size of block);
3143 fill_int (&ob);
3144 }
3145 break;
3146
3147 case 0x05:
3148 /* File name for source line numbers. */
3149 {
3150 struct output_buffer_struct ob;
3151
3152 NEXT ();
3153 OUT (0xf8);
3154 OUT (0x05);
3155 drop_int (&ob);
3156 ID;
3157 INTn (year);
3158 INTn (month);
3159 INTn (day);
3160 INTn (hour);
3161 INTn (monute);
3162 INTn (second);
3163 block ();
3164 NEXT ();
3165 OUT (0xf9);
3166 fill_int (&ob);
3167 }
3168 break;
3169
3170 case 0x06:
3171 /* Local function. */
3172 {
3173 struct output_buffer_struct ob;
3174
3175 NEXT ();
3176 OUT (0xf8);
3177 OUT (0x06);
3178 drop_int (&ob);
3179 ID;
3180 INTn (stack size);
3181 INTn (type return);
3182 EXPn (offset);
3183 block ();
3184 NEXT ();
3185 OUT (0xf9);
3186 EXPn (size);
3187 fill_int (&ob);
3188 }
3189 break;
3190
3191 case 0x0a:
3192 /* Assembler module scope beginning - */
3193 {
3194 struct output_buffer_struct ob;
3195
3196 NEXT ();
3197 OUT (0xf8);
3198 OUT (0x0a);
3199 drop_int (&ob);
3200 ID;
3201 ID;
3202 INT;
3203 ID;
3204 INT;
3205 INT;
3206 INT;
3207 INT;
3208 INT;
3209 INT;
3210
3211 block ();
3212
3213 NEXT ();
3214 OUT (0xf9);
3215 fill_int (&ob);
3216 }
3217 break;
3218 case 0x0b:
3219 {
3220 struct output_buffer_struct ob;
3221
3222 NEXT ();
3223 OUT (0xf8);
3224 OUT (0x0b);
3225 drop_int (&ob);
3226 ID;
3227 INT;
3228 INTn (section index);
3229 EXPn (offset);
3230 INTn (stuff);
3231
3232 block ();
3233
3234 OUT (0xf9);
3235 NEXT ();
3236 EXPn (Size in Maus);
3237 fill_int (&ob);
3238 }
3239 break;
3240 }
3241 }
3242
3243 static void
3244 e2_record ()
3245 {
3246 OUT (0xe2);
3247 NEXT ();
3248 OUT (0xce);
3249 NEXT ();
3250 INT;
3251 EXP;
3252 }
3253
3254 static void
3255 block ()
3256 {
3257 int ch;
3258
3259 while (1)
3260 {
3261 ch = THIS ();
3262 switch (ch)
3263 {
3264 case 0xe1:
3265 case 0xe5:
3266 return;
3267 case 0xf9:
3268 return;
3269 case 0xf0:
3270 f0_record ();
3271 break;
3272 case 0xf1:
3273 f1_record ();
3274 break;
3275 case 0xf2:
3276 f2_record ();
3277 break;
3278 case 0xf8:
3279 f8_record ();
3280 break;
3281 case 0xe2:
3282 e2_record ();
3283 break;
3284
3285 }
3286 }
3287 }
3288
3289
3290 /* Moves all the debug information from the source bfd to the output
3291 bfd, and relocates any expressions it finds. */
3292
3293 static void
3294 relocate_debug (output, input)
3295 bfd *output ATTRIBUTE_UNUSED;
3296 bfd *input;
3297 {
3298 #define IBS 400
3299 #define OBS 400
3300 unsigned char input_buffer[IBS];
3301
3302 input_ptr_start = input_ptr = input_buffer;
3303 input_ptr_end = input_buffer + IBS;
3304 input_bfd = input;
3305 /* FIXME: Check return value. I'm not sure whether it needs to read
3306 the entire buffer or not. */
3307 bfd_bread ((PTR) input_ptr_start, (bfd_size_type) IBS, input);
3308 block ();
3309 }
3310
3311 /* Gather together all the debug information from each input BFD into
3312 one place, relocating it and emitting it as we go. */
3313
3314 static bfd_boolean
3315 ieee_write_debug_part (abfd)
3316 bfd *abfd;
3317 {
3318 ieee_data_type *ieee = IEEE_DATA (abfd);
3319 bfd_chain_type *chain = ieee->chain_root;
3320 unsigned char obuff[OBS];
3321 bfd_boolean some_debug = FALSE;
3322 file_ptr here = bfd_tell (abfd);
3323
3324 output_ptr_start = output_ptr = obuff;
3325 output_ptr_end = obuff + OBS;
3326 output_ptr = obuff;
3327 output_bfd = abfd;
3328
3329 if (chain == (bfd_chain_type *) NULL)
3330 {
3331 asection *s;
3332
3333 for (s = abfd->sections; s != NULL; s = s->next)
3334 if ((s->flags & SEC_DEBUGGING) != 0)
3335 break;
3336 if (s == NULL)
3337 {
3338 ieee->w.r.debug_information_part = 0;
3339 return TRUE;
3340 }
3341
3342 ieee->w.r.debug_information_part = here;
3343 if (bfd_bwrite (s->contents, s->size, abfd) != s->size)
3344 return FALSE;
3345 }
3346 else
3347 {
3348 while (chain != (bfd_chain_type *) NULL)
3349 {
3350 bfd *entry = chain->this;
3351 ieee_data_type *entry_ieee = IEEE_DATA (entry);
3352
3353 if (entry_ieee->w.r.debug_information_part)
3354 {
3355 if (bfd_seek (entry, entry_ieee->w.r.debug_information_part,
3356 SEEK_SET) != 0)
3357 return FALSE;
3358 relocate_debug (abfd, entry);
3359 }
3360
3361 chain = chain->next;
3362 }
3363
3364 if (some_debug)
3365 ieee->w.r.debug_information_part = here;
3366 else
3367 ieee->w.r.debug_information_part = 0;
3368
3369 flush ();
3370 }
3371
3372 return TRUE;
3373 }
3374
3375 /* Write the data in an ieee way. */
3376
3377 static bfd_boolean
3378 ieee_write_data_part (abfd)
3379 bfd *abfd;
3380 {
3381 asection *s;
3382
3383 ieee_data_type *ieee = IEEE_DATA (abfd);
3384 ieee->w.r.data_part = bfd_tell (abfd);
3385
3386 for (s = abfd->sections; s != (asection *) NULL; s = s->next)
3387 {
3388 /* Skip sections that have no loadable contents (.bss,
3389 debugging, etc.) */
3390 if ((s->flags & SEC_LOAD) == 0)
3391 continue;
3392
3393 /* Sort the reloc records so we can insert them in the correct
3394 places */
3395 if (s->reloc_count != 0)
3396 {
3397 if (! do_with_relocs (abfd, s))
3398 return FALSE;
3399 }
3400 else
3401 {
3402 if (! do_without_relocs (abfd, s))
3403 return FALSE;
3404 }
3405 }
3406
3407 return TRUE;
3408 }
3409
3410
3411 static bfd_boolean
3412 init_for_output (abfd)
3413 bfd *abfd;
3414 {
3415 asection *s;
3416
3417 for (s = abfd->sections; s != (asection *) NULL; s = s->next)
3418 {
3419 if ((s->flags & SEC_DEBUGGING) != 0)
3420 continue;
3421 if (s->size != 0)
3422 {
3423 bfd_size_type size = s->size;
3424 ieee_per_section (s)->data = (bfd_byte *) (bfd_alloc (abfd, size));
3425 if (!ieee_per_section (s)->data)
3426 return FALSE;
3427 }
3428 }
3429 return TRUE;
3430 }
3431 \f
3432 /* Exec and core file sections. */
3433
3434 /* Set section contents is complicated with IEEE since the format is
3435 not a byte image, but a record stream. */
3436
3437 static bfd_boolean
3438 ieee_set_section_contents (abfd, section, location, offset, count)
3439 bfd *abfd;
3440 sec_ptr section;
3441 const PTR location;
3442 file_ptr offset;
3443 bfd_size_type count;
3444 {
3445 if ((section->flags & SEC_DEBUGGING) != 0)
3446 {
3447 if (section->contents == NULL)
3448 {
3449 bfd_size_type size = section->size;
3450 section->contents = (unsigned char *) bfd_alloc (abfd, size);
3451 if (section->contents == NULL)
3452 return FALSE;
3453 }
3454 /* bfd_set_section_contents has already checked that everything
3455 is within range. */
3456 memcpy (section->contents + offset, location, (size_t) count);
3457 return TRUE;
3458 }
3459
3460 if (ieee_per_section (section)->data == (bfd_byte *) NULL)
3461 {
3462 if (!init_for_output (abfd))
3463 return FALSE;
3464 }
3465 memcpy ((PTR) (ieee_per_section (section)->data + offset),
3466 (PTR) location,
3467 (unsigned int) count);
3468 return TRUE;
3469 }
3470
3471 /* Write the external symbols of a file. IEEE considers two sorts of
3472 external symbols, public, and referenced. It uses to internal
3473 forms to index them as well. When we write them out we turn their
3474 symbol values into indexes from the right base. */
3475
3476 static bfd_boolean
3477 ieee_write_external_part (abfd)
3478 bfd *abfd;
3479 {
3480 asymbol **q;
3481 ieee_data_type *ieee = IEEE_DATA (abfd);
3482 unsigned int reference_index = IEEE_REFERENCE_BASE;
3483 unsigned int public_index = IEEE_PUBLIC_BASE + 2;
3484 file_ptr here = bfd_tell (abfd);
3485 bfd_boolean hadone = FALSE;
3486
3487 if (abfd->outsymbols != (asymbol **) NULL)
3488 {
3489
3490 for (q = abfd->outsymbols; *q != (asymbol *) NULL; q++)
3491 {
3492 asymbol *p = *q;
3493
3494 if (bfd_is_und_section (p->section))
3495 {
3496 /* This must be a symbol reference. */
3497 if (! ieee_write_byte (abfd, ieee_external_reference_enum)
3498 || ! ieee_write_int (abfd, (bfd_vma) reference_index)
3499 || ! ieee_write_id (abfd, p->name))
3500 return FALSE;
3501 p->value = reference_index;
3502 reference_index++;
3503 hadone = TRUE;
3504 }
3505 else if (bfd_is_com_section (p->section))
3506 {
3507 /* This is a weak reference. */
3508 if (! ieee_write_byte (abfd, ieee_external_reference_enum)
3509 || ! ieee_write_int (abfd, (bfd_vma) reference_index)
3510 || ! ieee_write_id (abfd, p->name)
3511 || ! ieee_write_byte (abfd,
3512 ieee_weak_external_reference_enum)
3513 || ! ieee_write_int (abfd, (bfd_vma) reference_index)
3514 || ! ieee_write_int (abfd, p->value))
3515 return FALSE;
3516 p->value = reference_index;
3517 reference_index++;
3518 hadone = TRUE;
3519 }
3520 else if (p->flags & BSF_GLOBAL)
3521 {
3522 /* This must be a symbol definition. */
3523 if (! ieee_write_byte (abfd, ieee_external_symbol_enum)
3524 || ! ieee_write_int (abfd, (bfd_vma) public_index)
3525 || ! ieee_write_id (abfd, p->name)
3526 || ! ieee_write_2bytes (abfd, ieee_attribute_record_enum)
3527 || ! ieee_write_int (abfd, (bfd_vma) public_index)
3528 || ! ieee_write_byte (abfd, 15) /* instruction address */
3529 || ! ieee_write_byte (abfd, 19) /* static symbol */
3530 || ! ieee_write_byte (abfd, 1)) /* one of them */
3531 return FALSE;
3532
3533 /* Write out the value. */
3534 if (! ieee_write_2bytes (abfd, ieee_value_record_enum)
3535 || ! ieee_write_int (abfd, (bfd_vma) public_index))
3536 return FALSE;
3537 if (! bfd_is_abs_section (p->section))
3538 {
3539 if (abfd->flags & EXEC_P)
3540 {
3541 /* If fully linked, then output all symbols
3542 relocated. */
3543 if (! (ieee_write_int
3544 (abfd,
3545 (p->value
3546 + p->section->output_offset
3547 + p->section->output_section->vma))))
3548 return FALSE;
3549 }
3550 else
3551 {
3552 if (! (ieee_write_expression
3553 (abfd,
3554 p->value + p->section->output_offset,
3555 p->section->output_section->symbol,
3556 FALSE, 0)))
3557 return FALSE;
3558 }
3559 }
3560 else
3561 {
3562 if (! ieee_write_expression (abfd,
3563 p->value,
3564 bfd_abs_section_ptr->symbol,
3565 FALSE, 0))
3566 return FALSE;
3567 }
3568 p->value = public_index;
3569 public_index++;
3570 hadone = TRUE;
3571 }
3572 else
3573 {
3574 /* This can happen - when there are gaps in the symbols read
3575 from an input ieee file. */
3576 }
3577 }
3578 }
3579 if (hadone)
3580 ieee->w.r.external_part = here;
3581
3582 return TRUE;
3583 }
3584
3585
3586 static const unsigned char exten[] =
3587 {
3588 0xf0, 0x20, 0x00,
3589 0xf1, 0xce, 0x20, 0x00, 37, 3, 3, /* Set version 3 rev 3. */
3590 0xf1, 0xce, 0x20, 0x00, 39, 2, /* Keep symbol in original case. */
3591 0xf1, 0xce, 0x20, 0x00, 38 /* Set object type relocatable to x. */
3592 };
3593
3594 static const unsigned char envi[] =
3595 {
3596 0xf0, 0x21, 0x00,
3597
3598 /* 0xf1, 0xce, 0x21, 00, 50, 0x82, 0x07, 0xc7, 0x09, 0x11, 0x11,
3599 0x19, 0x2c,
3600 */
3601 0xf1, 0xce, 0x21, 00, 52, 0x00, /* exec ok */
3602
3603 0xf1, 0xce, 0x21, 0, 53, 0x03,/* host unix */
3604 /* 0xf1, 0xce, 0x21, 0, 54, 2,1,1 tool & version # */
3605 };
3606
3607 static bfd_boolean
3608 ieee_write_me_part (abfd)
3609 bfd *abfd;
3610 {
3611 ieee_data_type *ieee = IEEE_DATA (abfd);
3612 ieee->w.r.trailer_part = bfd_tell (abfd);
3613 if (abfd->start_address)
3614 {
3615 if (! ieee_write_2bytes (abfd, ieee_value_starting_address_enum)
3616 || ! ieee_write_byte (abfd, ieee_function_either_open_b_enum)
3617 || ! ieee_write_int (abfd, abfd->start_address)
3618 || ! ieee_write_byte (abfd, ieee_function_either_close_b_enum))
3619 return FALSE;
3620 }
3621 ieee->w.r.me_record = bfd_tell (abfd);
3622 if (! ieee_write_byte (abfd, ieee_module_end_enum))
3623 return FALSE;
3624 return TRUE;
3625 }
3626
3627 /* Write out the IEEE processor ID. */
3628
3629 static bfd_boolean
3630 ieee_write_processor (abfd)
3631 bfd *abfd;
3632 {
3633 const bfd_arch_info_type *arch;
3634
3635 arch = bfd_get_arch_info (abfd);
3636 switch (arch->arch)
3637 {
3638 default:
3639 if (! ieee_write_id (abfd, bfd_printable_name (abfd)))
3640 return FALSE;
3641 break;
3642
3643 case bfd_arch_a29k:
3644 if (! ieee_write_id (abfd, "29000"))
3645 return FALSE;
3646 break;
3647
3648 case bfd_arch_h8300:
3649 if (! ieee_write_id (abfd, "H8/300"))
3650 return FALSE;
3651 break;
3652
3653 case bfd_arch_h8500:
3654 if (! ieee_write_id (abfd, "H8/500"))
3655 return FALSE;
3656 break;
3657
3658 case bfd_arch_i960:
3659 switch (arch->mach)
3660 {
3661 default:
3662 case bfd_mach_i960_core:
3663 case bfd_mach_i960_ka_sa:
3664 if (! ieee_write_id (abfd, "80960KA"))
3665 return FALSE;
3666 break;
3667
3668 case bfd_mach_i960_kb_sb:
3669 if (! ieee_write_id (abfd, "80960KB"))
3670 return FALSE;
3671 break;
3672
3673 case bfd_mach_i960_ca:
3674 if (! ieee_write_id (abfd, "80960CA"))
3675 return FALSE;
3676 break;
3677
3678 case bfd_mach_i960_mc:
3679 case bfd_mach_i960_xa:
3680 if (! ieee_write_id (abfd, "80960MC"))
3681 return FALSE;
3682 break;
3683 }
3684 break;
3685
3686 case bfd_arch_m68k:
3687 {
3688 const char *id;
3689
3690 switch (arch->mach)
3691 {
3692 default: id = "68020"; break;
3693 case bfd_mach_m68000: id = "68000"; break;
3694 case bfd_mach_m68008: id = "68008"; break;
3695 case bfd_mach_m68010: id = "68010"; break;
3696 case bfd_mach_m68020: id = "68020"; break;
3697 case bfd_mach_m68030: id = "68030"; break;
3698 case bfd_mach_m68040: id = "68040"; break;
3699 case bfd_mach_m68060: id = "68060"; break;
3700 case bfd_mach_cpu32: id = "cpu32"; break;
3701 case bfd_mach_mcf5200:id = "5200"; break;
3702 case bfd_mach_mcf5206e:id = "5206e"; break;
3703 case bfd_mach_mcf5307:id = "5307"; break;
3704 case bfd_mach_mcf5407:id = "5407"; break;
3705 case bfd_mach_mcf528x:id = "5282"; break;
3706 }
3707
3708 if (! ieee_write_id (abfd, id))
3709 return FALSE;
3710 }
3711 break;
3712 }
3713
3714 return TRUE;
3715 }
3716
3717 static bfd_boolean
3718 ieee_write_object_contents (abfd)
3719 bfd *abfd;
3720 {
3721 ieee_data_type *ieee = IEEE_DATA (abfd);
3722 unsigned int i;
3723 file_ptr old;
3724
3725 /* Fast forward over the header area. */
3726 if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
3727 return FALSE;
3728
3729 if (! ieee_write_byte (abfd, ieee_module_beginning_enum)
3730 || ! ieee_write_processor (abfd)
3731 || ! ieee_write_id (abfd, abfd->filename))
3732 return FALSE;
3733
3734 /* Fast forward over the variable bits. */
3735 if (! ieee_write_byte (abfd, ieee_address_descriptor_enum))
3736 return FALSE;
3737
3738 /* Bits per MAU. */
3739 if (! ieee_write_byte (abfd, (bfd_byte) (bfd_arch_bits_per_byte (abfd))))
3740 return FALSE;
3741 /* MAU's per address. */
3742 if (! ieee_write_byte (abfd,
3743 (bfd_byte) (bfd_arch_bits_per_address (abfd)
3744 / bfd_arch_bits_per_byte (abfd))))
3745 return FALSE;
3746
3747 old = bfd_tell (abfd);
3748 if (bfd_seek (abfd, (file_ptr) (8 * N_W_VARIABLES), SEEK_CUR) != 0)
3749 return FALSE;
3750
3751 ieee->w.r.extension_record = bfd_tell (abfd);
3752 if (bfd_bwrite ((char *) exten, (bfd_size_type) sizeof (exten), abfd)
3753 != sizeof (exten))
3754 return FALSE;
3755 if (abfd->flags & EXEC_P)
3756 {
3757 if (! ieee_write_byte (abfd, 0x1)) /* Absolute */
3758 return FALSE;
3759 }
3760 else
3761 {
3762 if (! ieee_write_byte (abfd, 0x2)) /* Relocateable */
3763 return FALSE;
3764 }
3765
3766 ieee->w.r.environmental_record = bfd_tell (abfd);
3767 if (bfd_bwrite ((char *) envi, (bfd_size_type) sizeof (envi), abfd)
3768 != sizeof (envi))
3769 return FALSE;
3770
3771 /* The HP emulator database requires a timestamp in the file. */
3772 {
3773 time_t now;
3774 const struct tm *t;
3775
3776 time (&now);
3777 t = (struct tm *) localtime (&now);
3778 if (! ieee_write_2bytes (abfd, (int) ieee_atn_record_enum)
3779 || ! ieee_write_byte (abfd, 0x21)
3780 || ! ieee_write_byte (abfd, 0)
3781 || ! ieee_write_byte (abfd, 50)
3782 || ! ieee_write_int (abfd, (bfd_vma) (t->tm_year + 1900))
3783 || ! ieee_write_int (abfd, (bfd_vma) (t->tm_mon + 1))
3784 || ! ieee_write_int (abfd, (bfd_vma) t->tm_mday)
3785 || ! ieee_write_int (abfd, (bfd_vma) t->tm_hour)
3786 || ! ieee_write_int (abfd, (bfd_vma) t->tm_min)
3787 || ! ieee_write_int (abfd, (bfd_vma) t->tm_sec))
3788 return FALSE;
3789 }
3790
3791 output_bfd = abfd;
3792
3793 flush ();
3794
3795 if (! ieee_write_section_part (abfd))
3796 return FALSE;
3797 /* First write the symbols. This changes their values into table
3798 indeces so we cant use it after this point. */
3799 if (! ieee_write_external_part (abfd))
3800 return FALSE;
3801
3802 /* Write any debugs we have been told about. */
3803 if (! ieee_write_debug_part (abfd))
3804 return FALSE;
3805
3806 /* Can only write the data once the symbols have been written, since
3807 the data contains relocation information which points to the
3808 symbols. */
3809 if (! ieee_write_data_part (abfd))
3810 return FALSE;
3811
3812 /* At the end we put the end! */
3813 if (! ieee_write_me_part (abfd))
3814 return FALSE;
3815
3816 /* Generate the header. */
3817 if (bfd_seek (abfd, old, SEEK_SET) != 0)
3818 return FALSE;
3819
3820 for (i = 0; i < N_W_VARIABLES; i++)
3821 {
3822 if (! ieee_write_2bytes (abfd, ieee_assign_value_to_variable_enum)
3823 || ! ieee_write_byte (abfd, (bfd_byte) i)
3824 || ! ieee_write_int5_out (abfd, (bfd_vma) ieee->w.offset[i]))
3825 return FALSE;
3826 }
3827
3828 return TRUE;
3829 }
3830 \f
3831 /* Native-level interface to symbols. */
3832
3833 /* We read the symbols into a buffer, which is discarded when this
3834 function exits. We read the strings into a buffer large enough to
3835 hold them all plus all the cached symbol entries. */
3836
3837 static asymbol *
3838 ieee_make_empty_symbol (abfd)
3839 bfd *abfd;
3840 {
3841 bfd_size_type amt = sizeof (ieee_symbol_type);
3842 ieee_symbol_type *new = (ieee_symbol_type *) bfd_zalloc (abfd, amt);
3843
3844 if (!new)
3845 return NULL;
3846 new->symbol.the_bfd = abfd;
3847 return &new->symbol;
3848 }
3849
3850 static bfd *
3851 ieee_openr_next_archived_file (arch, prev)
3852 bfd *arch;
3853 bfd *prev;
3854 {
3855 ieee_ar_data_type *ar = IEEE_AR_DATA (arch);
3856
3857 /* Take the next one from the arch state, or reset. */
3858 if (prev == (bfd *) NULL)
3859 /* Reset the index - the first two entries are bogus. */
3860 ar->element_index = 2;
3861
3862 while (TRUE)
3863 {
3864 ieee_ar_obstack_type *p = ar->elements + ar->element_index;
3865
3866 ar->element_index++;
3867 if (ar->element_index <= ar->element_count)
3868 {
3869 if (p->file_offset != (file_ptr) 0)
3870 {
3871 if (p->abfd == (bfd *) NULL)
3872 {
3873 p->abfd = _bfd_create_empty_archive_element_shell (arch);
3874 p->abfd->origin = p->file_offset;
3875 }
3876 return p->abfd;
3877 }
3878 }
3879 else
3880 {
3881 bfd_set_error (bfd_error_no_more_archived_files);
3882 return (bfd *) NULL;
3883 }
3884 }
3885 }
3886
3887 static bfd_boolean
3888 ieee_find_nearest_line (abfd, section, symbols, offset, filename_ptr,
3889 functionname_ptr, line_ptr)
3890 bfd *abfd ATTRIBUTE_UNUSED;
3891 asection *section ATTRIBUTE_UNUSED;
3892 asymbol **symbols ATTRIBUTE_UNUSED;
3893 bfd_vma offset ATTRIBUTE_UNUSED;
3894 const char **filename_ptr ATTRIBUTE_UNUSED;
3895 const char **functionname_ptr ATTRIBUTE_UNUSED;
3896 unsigned int *line_ptr ATTRIBUTE_UNUSED;
3897 {
3898 return FALSE;
3899 }
3900
3901 static int
3902 ieee_generic_stat_arch_elt (abfd, buf)
3903 bfd *abfd;
3904 struct stat *buf;
3905 {
3906 ieee_ar_data_type *ar = (ieee_ar_data_type *) NULL;
3907 ieee_data_type *ieee;
3908
3909 if (abfd->my_archive != NULL)
3910 ar = abfd->my_archive->tdata.ieee_ar_data;
3911 if (ar == (ieee_ar_data_type *) NULL)
3912 {
3913 bfd_set_error (bfd_error_invalid_operation);
3914 return -1;
3915 }
3916
3917 if (IEEE_DATA (abfd) == NULL)
3918 {
3919 if (ieee_object_p (abfd) == NULL)
3920 {
3921 bfd_set_error (bfd_error_wrong_format);
3922 return -1;
3923 }
3924 }
3925
3926 ieee = IEEE_DATA (abfd);
3927
3928 buf->st_size = ieee->w.r.me_record + 1;
3929 buf->st_mode = 0644;
3930 return 0;
3931 }
3932
3933 static int
3934 ieee_sizeof_headers (abfd, x)
3935 bfd *abfd ATTRIBUTE_UNUSED;
3936 bfd_boolean x ATTRIBUTE_UNUSED;
3937 {
3938 return 0;
3939 }
3940
3941
3942 /* The debug info routines are never used. */
3943 #if 0
3944
3945 static void
3946 ieee_bfd_debug_info_start (abfd)
3947 bfd *abfd;
3948 {
3949
3950 }
3951
3952 static void
3953 ieee_bfd_debug_info_end (abfd)
3954 bfd *abfd;
3955 {
3956
3957 }
3958
3959
3960 /* Add this section to the list of sections we have debug info for, to
3961 be ready to output it at close time. */
3962 static void
3963 ieee_bfd_debug_info_accumulate (abfd, section)
3964 bfd *abfd;
3965 asection *section;
3966 {
3967 ieee_data_type *ieee = IEEE_DATA (section->owner);
3968 ieee_data_type *output_ieee = IEEE_DATA (abfd);
3969
3970 /* Can only accumulate data from other ieee bfds. */
3971 if (section->owner->xvec != abfd->xvec)
3972 return;
3973 /* Only bother once per bfd. */
3974 if (ieee->done_debug)
3975 return;
3976 ieee->done_debug = TRUE;
3977
3978 /* Don't bother if there is no debug info. */
3979 if (ieee->w.r.debug_information_part == 0)
3980 return;
3981
3982 /* Add to chain. */
3983 {
3984 bfd_size_type amt = sizeof (bfd_chain_type);
3985 bfd_chain_type *n = (bfd_chain_type *) bfd_alloc (abfd, amt);
3986
3987 if (!n)
3988 abort (); /* FIXME */
3989 n->this = section->owner;
3990 n->next = (bfd_chain_type *) NULL;
3991
3992 if (output_ieee->chain_head)
3993 output_ieee->chain_head->next = n;
3994 else
3995 output_ieee->chain_root = n;
3996
3997 output_ieee->chain_head = n;
3998 }
3999 }
4000
4001 #endif
4002
4003 #define ieee_close_and_cleanup _bfd_generic_close_and_cleanup
4004 #define ieee_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
4005
4006 #define ieee_slurp_armap bfd_true
4007 #define ieee_slurp_extended_name_table bfd_true
4008 #define ieee_construct_extended_name_table \
4009 ((bfd_boolean (*) \
4010 PARAMS ((bfd *, char **, bfd_size_type *, const char **))) \
4011 bfd_true)
4012 #define ieee_truncate_arname bfd_dont_truncate_arname
4013 #define ieee_write_armap \
4014 ((bfd_boolean (*) \
4015 PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int))) \
4016 bfd_true)
4017 #define ieee_read_ar_hdr bfd_nullvoidptr
4018 #define ieee_update_armap_timestamp bfd_true
4019 #define ieee_get_elt_at_index _bfd_generic_get_elt_at_index
4020
4021 #define ieee_bfd_is_local_label_name bfd_generic_is_local_label_name
4022 #define ieee_get_lineno _bfd_nosymbols_get_lineno
4023 #define ieee_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
4024 #define ieee_read_minisymbols _bfd_generic_read_minisymbols
4025 #define ieee_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
4026
4027 #define ieee_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup
4028
4029 #define ieee_set_arch_mach _bfd_generic_set_arch_mach
4030
4031 #define ieee_get_section_contents_in_window \
4032 _bfd_generic_get_section_contents_in_window
4033 #define ieee_bfd_get_relocated_section_contents \
4034 bfd_generic_get_relocated_section_contents
4035 #define ieee_bfd_relax_section bfd_generic_relax_section
4036 #define ieee_bfd_gc_sections bfd_generic_gc_sections
4037 #define ieee_bfd_merge_sections bfd_generic_merge_sections
4038 #define ieee_bfd_is_group_section bfd_generic_is_group_section
4039 #define ieee_bfd_discard_group bfd_generic_discard_group
4040 #define ieee_section_already_linked \
4041 _bfd_generic_section_already_linked
4042 #define ieee_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
4043 #define ieee_bfd_link_hash_table_free _bfd_generic_link_hash_table_free
4044 #define ieee_bfd_link_add_symbols _bfd_generic_link_add_symbols
4045 #define ieee_bfd_link_just_syms _bfd_generic_link_just_syms
4046 #define ieee_bfd_final_link _bfd_generic_final_link
4047 #define ieee_bfd_link_split_section _bfd_generic_link_split_section
4048
4049 const bfd_target ieee_vec =
4050 {
4051 "ieee", /* name */
4052 bfd_target_ieee_flavour,
4053 BFD_ENDIAN_UNKNOWN, /* target byte order */
4054 BFD_ENDIAN_UNKNOWN, /* target headers byte order */
4055 (HAS_RELOC | EXEC_P | /* object flags */
4056 HAS_LINENO | HAS_DEBUG |
4057 HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
4058 (SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS
4059 | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
4060 '_', /* leading underscore */
4061 ' ', /* ar_pad_char */
4062 16, /* ar_max_namelen */
4063 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
4064 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
4065 bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */
4066 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
4067 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
4068 bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */
4069
4070 {_bfd_dummy_target,
4071 ieee_object_p, /* bfd_check_format */
4072 ieee_archive_p,
4073 _bfd_dummy_target,
4074 },
4075 {
4076 bfd_false,
4077 ieee_mkobject,
4078 _bfd_generic_mkarchive,
4079 bfd_false
4080 },
4081 {
4082 bfd_false,
4083 ieee_write_object_contents,
4084 _bfd_write_archive_contents,
4085 bfd_false,
4086 },
4087
4088 /* ieee_close_and_cleanup, ieee_bfd_free_cached_info, ieee_new_section_hook,
4089 ieee_get_section_contents, ieee_get_section_contents_in_window */
4090 BFD_JUMP_TABLE_GENERIC (ieee),
4091
4092 BFD_JUMP_TABLE_COPY (_bfd_generic),
4093 BFD_JUMP_TABLE_CORE (_bfd_nocore),
4094
4095 /* ieee_slurp_armap, ieee_slurp_extended_name_table,
4096 ieee_construct_extended_name_table, ieee_truncate_arname,
4097 ieee_write_armap, ieee_read_ar_hdr, ieee_openr_next_archived_file,
4098 ieee_get_elt_at_index, ieee_generic_stat_arch_elt,
4099 ieee_update_armap_timestamp */
4100 BFD_JUMP_TABLE_ARCHIVE (ieee),
4101
4102 /* ieee_get_symtab_upper_bound, ieee_canonicalize_symtab,
4103 ieee_make_empty_symbol, ieee_print_symbol, ieee_get_symbol_info,
4104 ieee_bfd_is_local_label_name, ieee_get_lineno,
4105 ieee_find_nearest_line, ieee_bfd_make_debug_symbol,
4106 ieee_read_minisymbols, ieee_minisymbol_to_symbol */
4107 BFD_JUMP_TABLE_SYMBOLS (ieee),
4108
4109 /* ieee_get_reloc_upper_bound, ieee_canonicalize_reloc,
4110 ieee_bfd_reloc_type_lookup */
4111 BFD_JUMP_TABLE_RELOCS (ieee),
4112
4113 /* ieee_set_arch_mach, ieee_set_section_contents */
4114 BFD_JUMP_TABLE_WRITE (ieee),
4115
4116 /* ieee_sizeof_headers, ieee_bfd_get_relocated_section_contents,
4117 ieee_bfd_relax_section, ieee_bfd_link_hash_table_create,
4118 _bfd_generic_link_hash_table_free,
4119 ieee_bfd_link_add_symbols, ieee_bfd_final_link,
4120 ieee_bfd_link_split_section, ieee_bfd_gc_sections,
4121 ieee_bfd_merge_sections */
4122 BFD_JUMP_TABLE_LINK (ieee),
4123
4124 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
4125
4126 NULL,
4127
4128 (PTR) 0
4129 };
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