bfd/
[binutils.git] / bfd / ieee.c
blob53e16e1c8e793a3ff8c6a53cc2c0b0e4347b908c
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, 2005
4 Free Software Foundation, Inc.
6 Written by Steve Chamberlain of Cygnus Support.
8 This file is part of BFD, the Binary File Descriptor library.
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.
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.
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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
24 #define KEEPMINUSPCININST 0
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. */
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"
37 struct output_buffer_struct
39 unsigned char *ptrp;
40 int buffer;
43 static unsigned char *output_ptr_start;
44 static unsigned char *output_ptr;
45 static unsigned char *output_ptr_end;
46 static unsigned char *input_ptr_start;
47 static unsigned char *input_ptr;
48 static unsigned char *input_ptr_end;
49 static bfd *input_bfd;
50 static bfd *output_bfd;
51 static int output_buffer;
54 static void block (void);
56 /* Functions for writing to ieee files in the strange way that the
57 standard requires. */
59 static bfd_boolean
60 ieee_write_byte (bfd *abfd, int barg)
62 bfd_byte byte;
64 byte = barg;
65 if (bfd_bwrite ((void *) &byte, (bfd_size_type) 1, abfd) != 1)
66 return FALSE;
67 return TRUE;
70 static bfd_boolean
71 ieee_write_2bytes (bfd *abfd, int bytes)
73 bfd_byte buffer[2];
75 buffer[0] = bytes >> 8;
76 buffer[1] = bytes & 0xff;
77 if (bfd_bwrite ((void *) buffer, (bfd_size_type) 2, abfd) != 2)
78 return FALSE;
79 return TRUE;
82 static bfd_boolean
83 ieee_write_int (bfd *abfd, bfd_vma value)
85 if (value <= 127)
87 if (! ieee_write_byte (abfd, (bfd_byte) value))
88 return FALSE;
90 else
92 unsigned int length;
94 /* How many significant bytes ? */
95 /* FIXME FOR LONGER INTS. */
96 if (value & 0xff000000)
97 length = 4;
98 else if (value & 0x00ff0000)
99 length = 3;
100 else if (value & 0x0000ff00)
101 length = 2;
102 else
103 length = 1;
105 if (! ieee_write_byte (abfd,
106 (bfd_byte) ((int) ieee_number_repeat_start_enum
107 + length)))
108 return FALSE;
109 switch (length)
111 case 4:
112 if (! ieee_write_byte (abfd, (bfd_byte) (value >> 24)))
113 return FALSE;
114 /* Fall through. */
115 case 3:
116 if (! ieee_write_byte (abfd, (bfd_byte) (value >> 16)))
117 return FALSE;
118 /* Fall through. */
119 case 2:
120 if (! ieee_write_byte (abfd, (bfd_byte) (value >> 8)))
121 return FALSE;
122 /* Fall through. */
123 case 1:
124 if (! ieee_write_byte (abfd, (bfd_byte) (value)))
125 return FALSE;
129 return TRUE;
132 static bfd_boolean
133 ieee_write_id (bfd *abfd, const char *id)
135 size_t length = strlen (id);
137 if (length <= 127)
139 if (! ieee_write_byte (abfd, (bfd_byte) length))
140 return FALSE;
142 else if (length < 255)
144 if (! ieee_write_byte (abfd, ieee_extension_length_1_enum)
145 || ! ieee_write_byte (abfd, (bfd_byte) length))
146 return FALSE;
148 else if (length < 65535)
150 if (! ieee_write_byte (abfd, ieee_extension_length_2_enum)
151 || ! ieee_write_2bytes (abfd, (int) length))
152 return FALSE;
154 else
156 (*_bfd_error_handler)
157 (_("%s: string too long (%d chars, max 65535)"),
158 bfd_get_filename (abfd), length);
159 bfd_set_error (bfd_error_invalid_operation);
160 return FALSE;
163 if (bfd_bwrite ((void *) id, (bfd_size_type) length, abfd) != length)
164 return FALSE;
165 return TRUE;
168 /* Functions for reading from ieee files in the strange way that the
169 standard requires. */
171 #define this_byte(ieee) *((ieee)->input_p)
172 #define next_byte(ieee) ((ieee)->input_p++)
173 #define this_byte_and_next(ieee) (*((ieee)->input_p++))
175 static unsigned short
176 read_2bytes (common_header_type *ieee)
178 unsigned char c1 = this_byte_and_next (ieee);
179 unsigned char c2 = this_byte_and_next (ieee);
181 return (c1 << 8) | c2;
184 static void
185 bfd_get_string (common_header_type *ieee, char *string, size_t length)
187 size_t i;
189 for (i = 0; i < length; i++)
190 string[i] = this_byte_and_next (ieee);
193 static char *
194 read_id (common_header_type *ieee)
196 size_t length;
197 char *string;
199 length = this_byte_and_next (ieee);
200 if (length <= 0x7f)
201 /* Simple string of length 0 to 127. */
204 else if (length == 0xde)
205 /* Length is next byte, allowing 0..255. */
206 length = this_byte_and_next (ieee);
208 else if (length == 0xdf)
210 /* Length is next two bytes, allowing 0..65535. */
211 length = this_byte_and_next (ieee);
212 length = (length * 256) + this_byte_and_next (ieee);
215 /* Buy memory and read string. */
216 string = bfd_alloc (ieee->abfd, (bfd_size_type) length + 1);
217 if (!string)
218 return NULL;
219 bfd_get_string (ieee, string, length);
220 string[length] = 0;
221 return string;
224 static bfd_boolean
225 ieee_write_expression (bfd *abfd,
226 bfd_vma value,
227 asymbol *symbol,
228 bfd_boolean pcrel,
229 unsigned int index)
231 unsigned int term_count = 0;
233 if (value != 0)
235 if (! ieee_write_int (abfd, value))
236 return FALSE;
237 term_count++;
240 /* Badly formatted binaries can have a missing symbol,
241 so test here to prevent a seg fault. */
242 if (symbol != NULL)
244 if (bfd_is_com_section (symbol->section)
245 || bfd_is_und_section (symbol->section))
247 /* Def of a common symbol. */
248 if (! ieee_write_byte (abfd, ieee_variable_X_enum)
249 || ! ieee_write_int (abfd, symbol->value))
250 return FALSE;
251 term_count ++;
253 else if (! bfd_is_abs_section (symbol->section))
255 /* Ref to defined symbol - */
256 if (symbol->flags & BSF_GLOBAL)
258 if (! ieee_write_byte (abfd, ieee_variable_I_enum)
259 || ! ieee_write_int (abfd, symbol->value))
260 return FALSE;
261 term_count++;
263 else if (symbol->flags & (BSF_LOCAL | BSF_SECTION_SYM))
265 /* This is a reference to a defined local symbol. We can
266 easily do a local as a section+offset. */
267 if (! ieee_write_byte (abfd, ieee_variable_R_enum)
268 || ! ieee_write_byte (abfd,
269 (bfd_byte) (symbol->section->index
270 + IEEE_SECTION_NUMBER_BASE)))
271 return FALSE;
273 term_count++;
274 if (symbol->value != 0)
276 if (! ieee_write_int (abfd, symbol->value))
277 return FALSE;
278 term_count++;
281 else
283 (*_bfd_error_handler)
284 (_("%s: unrecognized symbol `%s' flags 0x%x"),
285 bfd_get_filename (abfd), bfd_asymbol_name (symbol),
286 symbol->flags);
287 bfd_set_error (bfd_error_invalid_operation);
288 return FALSE;
293 if (pcrel)
295 /* Subtract the pc from here by asking for PC of this section. */
296 if (! ieee_write_byte (abfd, ieee_variable_P_enum)
297 || ! ieee_write_byte (abfd,
298 (bfd_byte) (index + IEEE_SECTION_NUMBER_BASE))
299 || ! ieee_write_byte (abfd, ieee_function_minus_enum))
300 return FALSE;
303 /* Handle the degenerate case of a 0 address. */
304 if (term_count == 0)
305 if (! ieee_write_int (abfd, (bfd_vma) 0))
306 return FALSE;
308 while (term_count > 1)
310 if (! ieee_write_byte (abfd, ieee_function_plus_enum))
311 return FALSE;
312 term_count--;
315 return TRUE;
318 /* Writes any integer into the buffer supplied and always takes 5 bytes. */
320 static void
321 ieee_write_int5 (bfd_byte *buffer, bfd_vma value)
323 buffer[0] = (bfd_byte) ieee_number_repeat_4_enum;
324 buffer[1] = (value >> 24) & 0xff;
325 buffer[2] = (value >> 16) & 0xff;
326 buffer[3] = (value >> 8) & 0xff;
327 buffer[4] = (value >> 0) & 0xff;
330 static bfd_boolean
331 ieee_write_int5_out (bfd *abfd, bfd_vma value)
333 bfd_byte b[5];
335 ieee_write_int5 (b, value);
336 if (bfd_bwrite ((void *) b, (bfd_size_type) 5, abfd) != 5)
337 return FALSE;
338 return TRUE;
341 static bfd_boolean
342 parse_int (common_header_type *ieee, bfd_vma *value_ptr)
344 int value = this_byte (ieee);
345 int result;
347 if (value >= 0 && value <= 127)
349 *value_ptr = value;
350 next_byte (ieee);
351 return TRUE;
353 else if (value >= 0x80 && value <= 0x88)
355 unsigned int count = value & 0xf;
357 result = 0;
358 next_byte (ieee);
359 while (count)
361 result = (result << 8) | this_byte_and_next (ieee);
362 count--;
364 *value_ptr = result;
365 return TRUE;
367 return FALSE;
370 static int
371 parse_i (common_header_type *ieee, bfd_boolean *ok)
373 bfd_vma x;
374 *ok = parse_int (ieee, &x);
375 return x;
378 static bfd_vma
379 must_parse_int (common_header_type *ieee)
381 bfd_vma result;
382 BFD_ASSERT (parse_int (ieee, &result));
383 return result;
386 typedef struct
388 bfd_vma value;
389 asection *section;
390 ieee_symbol_index_type symbol;
391 } ieee_value_type;
394 #if KEEPMINUSPCININST
396 #define SRC_MASK(arg) arg
397 #define PCREL_OFFSET FALSE
399 #else
401 #define SRC_MASK(arg) 0
402 #define PCREL_OFFSET TRUE
404 #endif
406 static reloc_howto_type abs32_howto =
407 HOWTO (1,
411 FALSE,
413 complain_overflow_bitfield,
415 "abs32",
416 TRUE,
417 0xffffffff,
418 0xffffffff,
419 FALSE);
421 static reloc_howto_type abs16_howto =
422 HOWTO (1,
426 FALSE,
428 complain_overflow_bitfield,
430 "abs16",
431 TRUE,
432 0x0000ffff,
433 0x0000ffff,
434 FALSE);
436 static reloc_howto_type abs8_howto =
437 HOWTO (1,
441 FALSE,
443 complain_overflow_bitfield,
445 "abs8",
446 TRUE,
447 0x000000ff,
448 0x000000ff,
449 FALSE);
451 static reloc_howto_type rel32_howto =
452 HOWTO (1,
456 TRUE,
458 complain_overflow_signed,
460 "rel32",
461 TRUE,
462 SRC_MASK (0xffffffff),
463 0xffffffff,
464 PCREL_OFFSET);
466 static reloc_howto_type rel16_howto =
467 HOWTO (1,
471 TRUE,
473 complain_overflow_signed,
475 "rel16",
476 TRUE,
477 SRC_MASK (0x0000ffff),
478 0x0000ffff,
479 PCREL_OFFSET);
481 static reloc_howto_type rel8_howto =
482 HOWTO (1,
486 TRUE,
488 complain_overflow_signed,
490 "rel8",
491 TRUE,
492 SRC_MASK (0x000000ff),
493 0x000000ff,
494 PCREL_OFFSET);
496 static ieee_symbol_index_type NOSYMBOL = {0, 0};
498 static void
499 parse_expression (ieee_data_type *ieee,
500 bfd_vma *value,
501 ieee_symbol_index_type *symbol,
502 bfd_boolean *pcrel,
503 unsigned int *extra,
504 asection **section)
507 bfd_boolean loop = TRUE;
508 ieee_value_type stack[10];
509 ieee_value_type *sp = stack;
510 asection *dummy;
512 #define POS sp[1]
513 #define TOS sp[0]
514 #define NOS sp[-1]
515 #define INC sp++;
516 #define DEC sp--;
518 /* The stack pointer always points to the next unused location. */
519 #define PUSH(x,y,z) TOS.symbol = x; TOS.section = y; TOS.value = z; INC;
520 #define POP(x,y,z) DEC; x = TOS.symbol; y = TOS.section; z = TOS.value;
522 while (loop && ieee->h.input_p < ieee->h.last_byte)
524 switch (this_byte (&(ieee->h)))
526 case ieee_variable_P_enum:
527 /* P variable, current program counter for section n. */
529 int section_n;
531 next_byte (&(ieee->h));
532 *pcrel = TRUE;
533 section_n = must_parse_int (&(ieee->h));
534 PUSH (NOSYMBOL, bfd_abs_section_ptr, 0);
535 break;
537 case ieee_variable_L_enum:
538 /* L variable address of section N. */
539 next_byte (&(ieee->h));
540 PUSH (NOSYMBOL, ieee->section_table[must_parse_int (&(ieee->h))], 0);
541 break;
542 case ieee_variable_R_enum:
543 /* R variable, logical address of section module. */
544 /* FIXME, this should be different to L. */
545 next_byte (&(ieee->h));
546 PUSH (NOSYMBOL, ieee->section_table[must_parse_int (&(ieee->h))], 0);
547 break;
548 case ieee_variable_S_enum:
549 /* S variable, size in MAUS of section module. */
550 next_byte (&(ieee->h));
551 PUSH (NOSYMBOL,
553 ieee->section_table[must_parse_int (&(ieee->h))]->size);
554 break;
555 case ieee_variable_I_enum:
556 /* Push the address of variable n. */
558 ieee_symbol_index_type sy;
560 next_byte (&(ieee->h));
561 sy.index = (int) must_parse_int (&(ieee->h));
562 sy.letter = 'I';
564 PUSH (sy, bfd_abs_section_ptr, 0);
566 break;
567 case ieee_variable_X_enum:
568 /* Push the address of external variable n. */
570 ieee_symbol_index_type sy;
572 next_byte (&(ieee->h));
573 sy.index = (int) (must_parse_int (&(ieee->h)));
574 sy.letter = 'X';
576 PUSH (sy, bfd_und_section_ptr, 0);
578 break;
579 case ieee_function_minus_enum:
581 bfd_vma value1, value2;
582 asection *section1, *section_dummy;
583 ieee_symbol_index_type sy;
585 next_byte (&(ieee->h));
587 POP (sy, section1, value1);
588 POP (sy, section_dummy, value2);
589 PUSH (sy, section1 ? section1 : section_dummy, value2 - value1);
591 break;
592 case ieee_function_plus_enum:
594 bfd_vma value1, value2;
595 asection *section1;
596 asection *section2;
597 ieee_symbol_index_type sy1;
598 ieee_symbol_index_type sy2;
600 next_byte (&(ieee->h));
602 POP (sy1, section1, value1);
603 POP (sy2, section2, value2);
604 PUSH (sy1.letter ? sy1 : sy2,
605 bfd_is_abs_section (section1) ? section2 : section1,
606 value1 + value2);
608 break;
609 default:
611 bfd_vma va;
613 BFD_ASSERT (this_byte (&(ieee->h)) < (int) ieee_variable_A_enum
614 || this_byte (&(ieee->h)) > (int) ieee_variable_Z_enum);
615 if (parse_int (&(ieee->h), &va))
617 PUSH (NOSYMBOL, bfd_abs_section_ptr, va);
619 else
620 /* Thats all that we can understand. */
621 loop = FALSE;
626 /* As far as I can see there is a bug in the Microtec IEEE output
627 which I'm using to scan, whereby the comma operator is omitted
628 sometimes in an expression, giving expressions with too many
629 terms. We can tell if that's the case by ensuring that
630 sp == stack here. If not, then we've pushed something too far,
631 so we keep adding. */
632 while (sp != stack + 1)
634 asection *section1;
635 ieee_symbol_index_type sy1;
637 POP (sy1, section1, *extra);
640 POP (*symbol, dummy, *value);
641 if (section)
642 *section = dummy;
646 #define ieee_seek(ieee, offset) \
647 do \
649 ieee->h.input_p = ieee->h.first_byte + offset; \
650 ieee->h.last_byte = (ieee->h.first_byte \
651 + ieee_part_after (ieee, offset)); \
653 while (0)
655 #define ieee_pos(ieee) \
656 (ieee->h.input_p - ieee->h.first_byte)
658 /* Find the first part of the ieee file after HERE. */
660 static file_ptr
661 ieee_part_after (ieee_data_type *ieee, file_ptr here)
663 int part;
664 file_ptr after = ieee->w.r.me_record;
666 /* File parts can come in any order, except that module end is
667 guaranteed to be last (and the header first). */
668 for (part = 0; part < N_W_VARIABLES; part++)
669 if (ieee->w.offset[part] > here && after > ieee->w.offset[part])
670 after = ieee->w.offset[part];
672 return after;
675 static unsigned int last_index;
676 static char last_type; /* Is the index for an X or a D. */
678 static ieee_symbol_type *
679 get_symbol (bfd *abfd ATTRIBUTE_UNUSED,
680 ieee_data_type *ieee,
681 ieee_symbol_type *last_symbol,
682 unsigned int *symbol_count,
683 ieee_symbol_type ***pptr,
684 unsigned int *max_index,
685 int this_type)
687 /* Need a new symbol. */
688 unsigned int new_index = must_parse_int (&(ieee->h));
690 if (new_index != last_index || this_type != last_type)
692 ieee_symbol_type *new_symbol;
693 bfd_size_type amt = sizeof (ieee_symbol_type);
695 new_symbol = bfd_alloc (ieee->h.abfd, amt);
696 if (!new_symbol)
697 return NULL;
699 new_symbol->index = new_index;
700 last_index = new_index;
701 (*symbol_count)++;
702 **pptr = new_symbol;
703 *pptr = &new_symbol->next;
704 if (new_index > *max_index)
705 *max_index = new_index;
707 last_type = this_type;
708 new_symbol->symbol.section = bfd_abs_section_ptr;
709 return new_symbol;
711 return last_symbol;
714 static bfd_boolean
715 ieee_slurp_external_symbols (bfd *abfd)
717 ieee_data_type *ieee = IEEE_DATA (abfd);
718 file_ptr offset = ieee->w.r.external_part;
720 ieee_symbol_type **prev_symbols_ptr = &ieee->external_symbols;
721 ieee_symbol_type **prev_reference_ptr = &ieee->external_reference;
722 ieee_symbol_type *symbol = NULL;
723 unsigned int symbol_count = 0;
724 bfd_boolean loop = TRUE;
726 last_index = 0xffffff;
727 ieee->symbol_table_full = TRUE;
729 ieee_seek (ieee, offset);
731 while (loop)
733 switch (this_byte (&(ieee->h)))
735 case ieee_nn_record:
736 next_byte (&(ieee->h));
738 symbol = get_symbol (abfd, ieee, symbol, &symbol_count,
739 & prev_symbols_ptr,
740 & ieee->external_symbol_max_index, 'I');
741 if (symbol == NULL)
742 return FALSE;
744 symbol->symbol.the_bfd = abfd;
745 symbol->symbol.name = read_id (&(ieee->h));
746 symbol->symbol.udata.p = NULL;
747 symbol->symbol.flags = BSF_NO_FLAGS;
748 break;
749 case ieee_external_symbol_enum:
750 next_byte (&(ieee->h));
752 symbol = get_symbol (abfd, ieee, symbol, &symbol_count,
753 &prev_symbols_ptr,
754 &ieee->external_symbol_max_index, 'D');
755 if (symbol == NULL)
756 return FALSE;
758 BFD_ASSERT (symbol->index >= ieee->external_symbol_min_index);
760 symbol->symbol.the_bfd = abfd;
761 symbol->symbol.name = read_id (&(ieee->h));
762 symbol->symbol.udata.p = NULL;
763 symbol->symbol.flags = BSF_NO_FLAGS;
764 break;
765 case ieee_attribute_record_enum >> 8:
767 unsigned int symbol_name_index;
768 unsigned int symbol_type_index;
769 unsigned int symbol_attribute_def;
770 bfd_vma value;
772 switch (read_2bytes (&ieee->h))
774 case ieee_attribute_record_enum:
775 symbol_name_index = must_parse_int (&(ieee->h));
776 symbol_type_index = must_parse_int (&(ieee->h));
777 symbol_attribute_def = must_parse_int (&(ieee->h));
778 switch (symbol_attribute_def)
780 case 8:
781 case 19:
782 parse_int (&ieee->h, &value);
783 break;
784 default:
785 (*_bfd_error_handler)
786 (_("%B: unimplemented ATI record %u for symbol %u"),
787 abfd, symbol_attribute_def, symbol_name_index);
788 bfd_set_error (bfd_error_bad_value);
789 return FALSE;
790 break;
792 break;
793 case ieee_external_reference_info_record_enum:
794 /* Skip over ATX record. */
795 parse_int (&(ieee->h), &value);
796 parse_int (&(ieee->h), &value);
797 parse_int (&(ieee->h), &value);
798 parse_int (&(ieee->h), &value);
799 break;
800 case ieee_atn_record_enum:
801 /* We may get call optimization information here,
802 which we just ignore. The format is
803 {$F1}${CE}{index}{$00}{$3F}{$3F}{#_of_ASNs}. */
804 parse_int (&ieee->h, &value);
805 parse_int (&ieee->h, &value);
806 parse_int (&ieee->h, &value);
807 if (value != 0x3f)
809 (*_bfd_error_handler)
810 (_("%B: unexpected ATN type %d in external part"),
811 abfd, (int) value);
812 bfd_set_error (bfd_error_bad_value);
813 return FALSE;
815 parse_int (&ieee->h, &value);
816 parse_int (&ieee->h, &value);
817 while (value > 0)
819 bfd_vma val1;
821 --value;
823 switch (read_2bytes (&ieee->h))
825 case ieee_asn_record_enum:
826 parse_int (&ieee->h, &val1);
827 parse_int (&ieee->h, &val1);
828 break;
830 default:
831 (*_bfd_error_handler)
832 (_("%B: unexpected type after ATN"), abfd);
833 bfd_set_error (bfd_error_bad_value);
834 return FALSE;
839 break;
840 case ieee_value_record_enum >> 8:
842 unsigned int symbol_name_index;
843 ieee_symbol_index_type symbol_ignore;
844 bfd_boolean pcrel_ignore;
845 unsigned int extra;
847 next_byte (&(ieee->h));
848 next_byte (&(ieee->h));
850 symbol_name_index = must_parse_int (&(ieee->h));
851 parse_expression (ieee,
852 &symbol->symbol.value,
853 &symbol_ignore,
854 &pcrel_ignore,
855 &extra,
856 &symbol->symbol.section);
858 /* Fully linked IEEE-695 files tend to give every symbol
859 an absolute value. Try to convert that back into a
860 section relative value. FIXME: This won't always to
861 the right thing. */
862 if (bfd_is_abs_section (symbol->symbol.section)
863 && (abfd->flags & HAS_RELOC) == 0)
865 bfd_vma val;
866 asection *s;
868 val = symbol->symbol.value;
869 for (s = abfd->sections; s != NULL; s = s->next)
871 if (val >= s->vma && val < s->vma + s->size)
873 symbol->symbol.section = s;
874 symbol->symbol.value -= s->vma;
875 break;
880 symbol->symbol.flags = BSF_GLOBAL | BSF_EXPORT;
883 break;
884 case ieee_weak_external_reference_enum:
886 bfd_vma size;
887 bfd_vma value;
889 next_byte (&(ieee->h));
890 /* Throw away the external reference index. */
891 (void) must_parse_int (&(ieee->h));
892 /* Fetch the default size if not resolved. */
893 size = must_parse_int (&(ieee->h));
894 /* Fetch the default value if available. */
895 if (! parse_int (&(ieee->h), &value))
896 value = 0;
897 /* This turns into a common. */
898 symbol->symbol.section = bfd_com_section_ptr;
899 symbol->symbol.value = size;
901 break;
903 case ieee_external_reference_enum:
904 next_byte (&(ieee->h));
906 symbol = get_symbol (abfd, ieee, symbol, &symbol_count,
907 &prev_reference_ptr,
908 &ieee->external_reference_max_index, 'X');
909 if (symbol == NULL)
910 return FALSE;
912 symbol->symbol.the_bfd = abfd;
913 symbol->symbol.name = read_id (&(ieee->h));
914 symbol->symbol.udata.p = NULL;
915 symbol->symbol.section = bfd_und_section_ptr;
916 symbol->symbol.value = (bfd_vma) 0;
917 symbol->symbol.flags = 0;
919 BFD_ASSERT (symbol->index >= ieee->external_reference_min_index);
920 break;
922 default:
923 loop = FALSE;
927 if (ieee->external_symbol_max_index != 0)
929 ieee->external_symbol_count =
930 ieee->external_symbol_max_index -
931 ieee->external_symbol_min_index + 1;
933 else
934 ieee->external_symbol_count = 0;
936 if (ieee->external_reference_max_index != 0)
938 ieee->external_reference_count =
939 ieee->external_reference_max_index -
940 ieee->external_reference_min_index + 1;
942 else
943 ieee->external_reference_count = 0;
945 abfd->symcount =
946 ieee->external_reference_count + ieee->external_symbol_count;
948 if (symbol_count != abfd->symcount)
949 /* There are gaps in the table -- */
950 ieee->symbol_table_full = FALSE;
952 *prev_symbols_ptr = NULL;
953 *prev_reference_ptr = NULL;
955 return TRUE;
958 static bfd_boolean
959 ieee_slurp_symbol_table (bfd *abfd)
961 if (! IEEE_DATA (abfd)->read_symbols)
963 if (! ieee_slurp_external_symbols (abfd))
964 return FALSE;
965 IEEE_DATA (abfd)->read_symbols = TRUE;
967 return TRUE;
970 static long
971 ieee_get_symtab_upper_bound (bfd *abfd)
973 if (! ieee_slurp_symbol_table (abfd))
974 return -1;
976 return (abfd->symcount != 0) ?
977 (abfd->symcount + 1) * (sizeof (ieee_symbol_type *)) : 0;
980 /* Move from our internal lists to the canon table, and insert in
981 symbol index order. */
983 extern const bfd_target ieee_vec;
985 static long
986 ieee_canonicalize_symtab (bfd *abfd, asymbol **location)
988 ieee_symbol_type *symp;
989 static bfd dummy_bfd;
990 static asymbol empty_symbol =
992 &dummy_bfd,
993 " ieee empty",
994 (symvalue) 0,
995 BSF_DEBUGGING,
996 bfd_abs_section_ptr
997 #ifdef __STDC__
998 /* K&R compilers can't initialise unions. */
999 , { 0 }
1000 #endif
1003 if (abfd->symcount)
1005 ieee_data_type *ieee = IEEE_DATA (abfd);
1007 dummy_bfd.xvec = &ieee_vec;
1008 if (! ieee_slurp_symbol_table (abfd))
1009 return -1;
1011 if (! ieee->symbol_table_full)
1013 /* Arrgh - there are gaps in the table, run through and fill them
1014 up with pointers to a null place. */
1015 unsigned int i;
1017 for (i = 0; i < abfd->symcount; i++)
1018 location[i] = &empty_symbol;
1021 ieee->external_symbol_base_offset = -ieee->external_symbol_min_index;
1022 for (symp = IEEE_DATA (abfd)->external_symbols;
1023 symp != (ieee_symbol_type *) NULL;
1024 symp = symp->next)
1025 /* Place into table at correct index locations. */
1026 location[symp->index + ieee->external_symbol_base_offset] = &symp->symbol;
1028 /* The external refs are indexed in a bit. */
1029 ieee->external_reference_base_offset =
1030 -ieee->external_reference_min_index + ieee->external_symbol_count;
1032 for (symp = IEEE_DATA (abfd)->external_reference;
1033 symp != (ieee_symbol_type *) NULL;
1034 symp = symp->next)
1035 location[symp->index + ieee->external_reference_base_offset] =
1036 &symp->symbol;
1039 if (abfd->symcount)
1040 location[abfd->symcount] = (asymbol *) NULL;
1042 return abfd->symcount;
1045 static asection *
1046 get_section_entry (bfd *abfd, ieee_data_type *ieee, unsigned int index)
1048 if (index >= ieee->section_table_size)
1050 unsigned int c, i;
1051 asection **n;
1052 bfd_size_type amt;
1054 c = ieee->section_table_size;
1055 if (c == 0)
1056 c = 20;
1057 while (c <= index)
1058 c *= 2;
1060 amt = c;
1061 amt *= sizeof (asection *);
1062 n = bfd_realloc (ieee->section_table, amt);
1063 if (n == NULL)
1064 return NULL;
1066 for (i = ieee->section_table_size; i < c; i++)
1067 n[i] = NULL;
1069 ieee->section_table = n;
1070 ieee->section_table_size = c;
1073 if (ieee->section_table[index] == (asection *) NULL)
1075 char *tmp = bfd_alloc (abfd, (bfd_size_type) 11);
1076 asection *section;
1078 if (!tmp)
1079 return NULL;
1080 sprintf (tmp, " fsec%4d", index);
1081 section = bfd_make_section (abfd, tmp);
1082 ieee->section_table[index] = section;
1083 section->flags = SEC_NO_FLAGS;
1084 section->target_index = index;
1085 ieee->section_table[index] = section;
1087 return ieee->section_table[index];
1090 static void
1091 ieee_slurp_sections (bfd *abfd)
1093 ieee_data_type *ieee = IEEE_DATA (abfd);
1094 file_ptr offset = ieee->w.r.section_part;
1095 char *name;
1097 if (offset != 0)
1099 bfd_byte section_type[3];
1101 ieee_seek (ieee, offset);
1102 while (TRUE)
1104 switch (this_byte (&(ieee->h)))
1106 case ieee_section_type_enum:
1108 asection *section;
1109 unsigned int section_index;
1111 next_byte (&(ieee->h));
1112 section_index = must_parse_int (&(ieee->h));
1114 section = get_section_entry (abfd, ieee, section_index);
1116 section_type[0] = this_byte_and_next (&(ieee->h));
1118 /* Set minimal section attributes. Attributes are
1119 extended later, based on section contents. */
1120 switch (section_type[0])
1122 case 0xC1:
1123 /* Normal attributes for absolute sections. */
1124 section_type[1] = this_byte (&(ieee->h));
1125 section->flags = SEC_ALLOC;
1126 switch (section_type[1])
1128 /* AS Absolute section attributes. */
1129 case 0xD3:
1130 next_byte (&(ieee->h));
1131 section_type[2] = this_byte (&(ieee->h));
1132 switch (section_type[2])
1134 case 0xD0:
1135 /* Normal code. */
1136 next_byte (&(ieee->h));
1137 section->flags |= SEC_CODE;
1138 break;
1139 case 0xC4:
1140 /* Normal data. */
1141 next_byte (&(ieee->h));
1142 section->flags |= SEC_DATA;
1143 break;
1144 case 0xD2:
1145 next_byte (&(ieee->h));
1146 /* Normal rom data. */
1147 section->flags |= SEC_ROM | SEC_DATA;
1148 break;
1149 default:
1150 break;
1153 break;
1155 /* Named relocatable sections (type C). */
1156 case 0xC3:
1157 section_type[1] = this_byte (&(ieee->h));
1158 section->flags = SEC_ALLOC;
1159 switch (section_type[1])
1161 case 0xD0: /* Normal code (CP). */
1162 next_byte (&(ieee->h));
1163 section->flags |= SEC_CODE;
1164 break;
1165 case 0xC4: /* Normal data (CD). */
1166 next_byte (&(ieee->h));
1167 section->flags |= SEC_DATA;
1168 break;
1169 case 0xD2: /* Normal rom data (CR). */
1170 next_byte (&(ieee->h));
1171 section->flags |= SEC_ROM | SEC_DATA;
1172 break;
1173 default:
1174 break;
1178 /* Read section name, use it if non empty. */
1179 name = read_id (&ieee->h);
1180 if (name[0])
1181 section->name = name;
1183 /* Skip these fields, which we don't care about. */
1185 bfd_vma parent, brother, context;
1187 parse_int (&(ieee->h), &parent);
1188 parse_int (&(ieee->h), &brother);
1189 parse_int (&(ieee->h), &context);
1192 break;
1193 case ieee_section_alignment_enum:
1195 unsigned int section_index;
1196 bfd_vma value;
1197 asection *section;
1199 next_byte (&(ieee->h));
1200 section_index = must_parse_int (&ieee->h);
1201 section = get_section_entry (abfd, ieee, section_index);
1202 if (section_index > ieee->section_count)
1203 ieee->section_count = section_index;
1205 section->alignment_power =
1206 bfd_log2 (must_parse_int (&ieee->h));
1207 (void) parse_int (&(ieee->h), &value);
1209 break;
1210 case ieee_e2_first_byte_enum:
1212 asection *section;
1213 ieee_record_enum_type t;
1215 t = (ieee_record_enum_type) (read_2bytes (&(ieee->h)));
1216 switch (t)
1218 case ieee_section_size_enum:
1219 section = ieee->section_table[must_parse_int (&(ieee->h))];
1220 section->size = must_parse_int (&(ieee->h));
1221 break;
1222 case ieee_physical_region_size_enum:
1223 section = ieee->section_table[must_parse_int (&(ieee->h))];
1224 section->size = must_parse_int (&(ieee->h));
1225 break;
1226 case ieee_region_base_address_enum:
1227 section = ieee->section_table[must_parse_int (&(ieee->h))];
1228 section->vma = must_parse_int (&(ieee->h));
1229 section->lma = section->vma;
1230 break;
1231 case ieee_mau_size_enum:
1232 must_parse_int (&(ieee->h));
1233 must_parse_int (&(ieee->h));
1234 break;
1235 case ieee_m_value_enum:
1236 must_parse_int (&(ieee->h));
1237 must_parse_int (&(ieee->h));
1238 break;
1239 case ieee_section_base_address_enum:
1240 section = ieee->section_table[must_parse_int (&(ieee->h))];
1241 section->vma = must_parse_int (&(ieee->h));
1242 section->lma = section->vma;
1243 break;
1244 case ieee_section_offset_enum:
1245 (void) must_parse_int (&(ieee->h));
1246 (void) must_parse_int (&(ieee->h));
1247 break;
1248 default:
1249 return;
1252 break;
1253 default:
1254 return;
1260 /* Make a section for the debugging information, if any. We don't try
1261 to interpret the debugging information; we just point the section
1262 at the area in the file so that program which understand can dig it
1263 out. */
1265 static bfd_boolean
1266 ieee_slurp_debug (bfd *abfd)
1268 ieee_data_type *ieee = IEEE_DATA (abfd);
1269 asection *sec;
1270 file_ptr debug_end;
1272 if (ieee->w.r.debug_information_part == 0)
1273 return TRUE;
1275 sec = bfd_make_section (abfd, ".debug");
1276 if (sec == NULL)
1277 return FALSE;
1278 sec->flags |= SEC_DEBUGGING | SEC_HAS_CONTENTS;
1279 sec->filepos = ieee->w.r.debug_information_part;
1281 debug_end = ieee_part_after (ieee, ieee->w.r.debug_information_part);
1282 sec->size = debug_end - ieee->w.r.debug_information_part;
1284 return TRUE;
1287 /* Archive stuff. */
1289 static const bfd_target *
1290 ieee_archive_p (bfd *abfd)
1292 char *library;
1293 unsigned int i;
1294 unsigned char buffer[512];
1295 file_ptr buffer_offset = 0;
1296 ieee_ar_data_type *save = abfd->tdata.ieee_ar_data;
1297 ieee_ar_data_type *ieee;
1298 bfd_size_type alc_elts;
1299 ieee_ar_obstack_type *elts = NULL;
1300 bfd_size_type amt = sizeof (ieee_ar_data_type);
1302 abfd->tdata.ieee_ar_data = bfd_alloc (abfd, amt);
1303 if (!abfd->tdata.ieee_ar_data)
1304 goto error_ret_restore;
1305 ieee = IEEE_AR_DATA (abfd);
1307 /* Ignore the return value here. It doesn't matter if we don't read
1308 the entire buffer. We might have a very small ieee file. */
1309 bfd_bread ((void *) buffer, (bfd_size_type) sizeof (buffer), abfd);
1311 ieee->h.first_byte = buffer;
1312 ieee->h.input_p = buffer;
1314 ieee->h.abfd = abfd;
1316 if (this_byte (&(ieee->h)) != Module_Beginning)
1317 goto got_wrong_format_error;
1319 next_byte (&(ieee->h));
1320 library = read_id (&(ieee->h));
1321 if (strcmp (library, "LIBRARY") != 0)
1322 goto got_wrong_format_error;
1324 /* Throw away the filename. */
1325 read_id (&(ieee->h));
1327 ieee->element_count = 0;
1328 ieee->element_index = 0;
1330 next_byte (&(ieee->h)); /* Drop the ad part. */
1331 must_parse_int (&(ieee->h)); /* And the two dummy numbers. */
1332 must_parse_int (&(ieee->h));
1334 alc_elts = 10;
1335 elts = bfd_malloc (alc_elts * sizeof *elts);
1336 if (elts == NULL)
1337 goto error_return;
1339 /* Read the index of the BB table. */
1340 while (1)
1342 int rec;
1343 ieee_ar_obstack_type *t;
1345 rec = read_2bytes (&(ieee->h));
1346 if (rec != (int) ieee_assign_value_to_variable_enum)
1347 break;
1349 if (ieee->element_count >= alc_elts)
1351 ieee_ar_obstack_type *n;
1353 alc_elts *= 2;
1354 n = bfd_realloc (elts, alc_elts * sizeof (* elts));
1355 if (n == NULL)
1356 goto error_return;
1357 elts = n;
1360 t = &elts[ieee->element_count];
1361 ieee->element_count++;
1363 must_parse_int (&(ieee->h));
1364 t->file_offset = must_parse_int (&(ieee->h));
1365 t->abfd = (bfd *) NULL;
1367 /* Make sure that we don't go over the end of the buffer. */
1368 if ((size_t) ieee_pos (IEEE_DATA (abfd)) > sizeof (buffer) / 2)
1370 /* Past half way, reseek and reprime. */
1371 buffer_offset += ieee_pos (IEEE_DATA (abfd));
1372 if (bfd_seek (abfd, buffer_offset, SEEK_SET) != 0)
1373 goto error_return;
1375 /* Again ignore return value of bfd_bread. */
1376 bfd_bread ((void *) buffer, (bfd_size_type) sizeof (buffer), abfd);
1377 ieee->h.first_byte = buffer;
1378 ieee->h.input_p = buffer;
1382 amt = ieee->element_count;
1383 amt *= sizeof *ieee->elements;
1384 ieee->elements = bfd_alloc (abfd, amt);
1385 if (ieee->elements == NULL)
1386 goto error_return;
1388 memcpy (ieee->elements, elts, (size_t) amt);
1389 free (elts);
1390 elts = NULL;
1392 /* Now scan the area again, and replace BB offsets with file offsets. */
1393 for (i = 2; i < ieee->element_count; i++)
1395 if (bfd_seek (abfd, ieee->elements[i].file_offset, SEEK_SET) != 0)
1396 goto error_return;
1398 /* Again ignore return value of bfd_bread. */
1399 bfd_bread ((void *) buffer, (bfd_size_type) sizeof (buffer), abfd);
1400 ieee->h.first_byte = buffer;
1401 ieee->h.input_p = buffer;
1403 next_byte (&(ieee->h)); /* Drop F8. */
1404 next_byte (&(ieee->h)); /* Drop 14. */
1405 must_parse_int (&(ieee->h)); /* Drop size of block. */
1407 if (must_parse_int (&(ieee->h)) != 0)
1408 /* This object has been deleted. */
1409 ieee->elements[i].file_offset = 0;
1410 else
1411 ieee->elements[i].file_offset = must_parse_int (&(ieee->h));
1414 /* abfd->has_armap = ;*/
1416 return abfd->xvec;
1418 got_wrong_format_error:
1419 bfd_set_error (bfd_error_wrong_format);
1420 error_return:
1421 if (elts != NULL)
1422 free (elts);
1423 bfd_release (abfd, ieee);
1424 error_ret_restore:
1425 abfd->tdata.ieee_ar_data = save;
1427 return NULL;
1430 static bfd_boolean
1431 ieee_mkobject (bfd *abfd)
1433 bfd_size_type amt;
1435 output_ptr_start = NULL;
1436 output_ptr = NULL;
1437 output_ptr_end = NULL;
1438 input_ptr_start = NULL;
1439 input_ptr = NULL;
1440 input_ptr_end = NULL;
1441 input_bfd = NULL;
1442 output_bfd = NULL;
1443 output_buffer = 0;
1444 amt = sizeof (ieee_data_type);
1445 abfd->tdata.ieee_data = bfd_zalloc (abfd, amt);
1446 return abfd->tdata.ieee_data != NULL;
1449 static bfd_boolean
1450 do_one (ieee_data_type *ieee,
1451 ieee_per_section_type *current_map,
1452 unsigned char *location_ptr,
1453 asection *s,
1454 int iterations)
1456 switch (this_byte (&(ieee->h)))
1458 case ieee_load_constant_bytes_enum:
1460 unsigned int number_of_maus;
1461 unsigned int i;
1463 next_byte (&(ieee->h));
1464 number_of_maus = must_parse_int (&(ieee->h));
1466 for (i = 0; i < number_of_maus; i++)
1468 location_ptr[current_map->pc++] = this_byte (&(ieee->h));
1469 next_byte (&(ieee->h));
1472 break;
1474 case ieee_load_with_relocation_enum:
1476 bfd_boolean loop = TRUE;
1478 next_byte (&(ieee->h));
1479 while (loop)
1481 switch (this_byte (&(ieee->h)))
1483 case ieee_variable_R_enum:
1485 case ieee_function_signed_open_b_enum:
1486 case ieee_function_unsigned_open_b_enum:
1487 case ieee_function_either_open_b_enum:
1489 unsigned int extra = 4;
1490 bfd_boolean pcrel = FALSE;
1491 asection *section;
1492 ieee_reloc_type *r;
1494 r = bfd_alloc (ieee->h.abfd, sizeof (* r));
1495 if (!r)
1496 return FALSE;
1498 *(current_map->reloc_tail_ptr) = r;
1499 current_map->reloc_tail_ptr = &r->next;
1500 r->next = (ieee_reloc_type *) NULL;
1501 next_byte (&(ieee->h));
1502 /* abort();*/
1503 r->relent.sym_ptr_ptr = 0;
1504 parse_expression (ieee,
1505 &r->relent.addend,
1506 &r->symbol,
1507 &pcrel, &extra, &section);
1508 r->relent.address = current_map->pc;
1509 s->flags |= SEC_RELOC;
1510 s->owner->flags |= HAS_RELOC;
1511 s->reloc_count++;
1512 if (r->relent.sym_ptr_ptr == NULL && section != NULL)
1513 r->relent.sym_ptr_ptr = section->symbol_ptr_ptr;
1515 if (this_byte (&(ieee->h)) == (int) ieee_comma)
1517 next_byte (&(ieee->h));
1518 /* Fetch number of bytes to pad. */
1519 extra = must_parse_int (&(ieee->h));
1522 switch (this_byte (&(ieee->h)))
1524 case ieee_function_signed_close_b_enum:
1525 next_byte (&(ieee->h));
1526 break;
1527 case ieee_function_unsigned_close_b_enum:
1528 next_byte (&(ieee->h));
1529 break;
1530 case ieee_function_either_close_b_enum:
1531 next_byte (&(ieee->h));
1532 break;
1533 default:
1534 break;
1536 /* Build a relocation entry for this type. */
1537 /* If pc rel then stick -ve pc into instruction
1538 and take out of reloc ..
1540 I've changed this. It's all too complicated. I
1541 keep 0 in the instruction now. */
1543 switch (extra)
1545 case 0:
1546 case 4:
1548 if (pcrel)
1550 #if KEEPMINUSPCININST
1551 bfd_put_32 (ieee->h.abfd, -current_map->pc,
1552 location_ptr + current_map->pc);
1553 r->relent.howto = &rel32_howto;
1554 r->relent.addend -= current_map->pc;
1555 #else
1556 bfd_put_32 (ieee->h.abfd, (bfd_vma) 0, location_ptr +
1557 current_map->pc);
1558 r->relent.howto = &rel32_howto;
1559 #endif
1561 else
1563 bfd_put_32 (ieee->h.abfd, (bfd_vma) 0,
1564 location_ptr + current_map->pc);
1565 r->relent.howto = &abs32_howto;
1567 current_map->pc += 4;
1568 break;
1569 case 2:
1570 if (pcrel)
1572 #if KEEPMINUSPCININST
1573 bfd_put_16 (ieee->h.abfd, (bfd_vma) -current_map->pc,
1574 location_ptr + current_map->pc);
1575 r->relent.addend -= current_map->pc;
1576 r->relent.howto = &rel16_howto;
1577 #else
1579 bfd_put_16 (ieee->h.abfd, (bfd_vma) 0,
1580 location_ptr + current_map->pc);
1581 r->relent.howto = &rel16_howto;
1582 #endif
1585 else
1587 bfd_put_16 (ieee->h.abfd, (bfd_vma) 0,
1588 location_ptr + current_map->pc);
1589 r->relent.howto = &abs16_howto;
1591 current_map->pc += 2;
1592 break;
1593 case 1:
1594 if (pcrel)
1596 #if KEEPMINUSPCININST
1597 bfd_put_8 (ieee->h.abfd, (int) (-current_map->pc), location_ptr + current_map->pc);
1598 r->relent.addend -= current_map->pc;
1599 r->relent.howto = &rel8_howto;
1600 #else
1601 bfd_put_8 (ieee->h.abfd, 0, location_ptr + current_map->pc);
1602 r->relent.howto = &rel8_howto;
1603 #endif
1605 else
1607 bfd_put_8 (ieee->h.abfd, 0, location_ptr + current_map->pc);
1608 r->relent.howto = &abs8_howto;
1610 current_map->pc += 1;
1611 break;
1613 default:
1614 BFD_FAIL ();
1615 return FALSE;
1618 break;
1619 default:
1621 bfd_vma this_size;
1623 if (parse_int (&(ieee->h), &this_size))
1625 unsigned int i;
1627 for (i = 0; i < this_size; i++)
1629 location_ptr[current_map->pc++] = this_byte (&(ieee->h));
1630 next_byte (&(ieee->h));
1633 else
1634 loop = FALSE;
1638 /* Prevent more than the first load-item of an LR record
1639 from being repeated (MRI convention). */
1640 if (iterations != 1)
1641 loop = FALSE;
1645 return TRUE;
1648 /* Read in all the section data and relocation stuff too. */
1650 static bfd_boolean
1651 ieee_slurp_section_data (bfd *abfd)
1653 bfd_byte *location_ptr = (bfd_byte *) NULL;
1654 ieee_data_type *ieee = IEEE_DATA (abfd);
1655 unsigned int section_number;
1656 ieee_per_section_type *current_map = NULL;
1657 asection *s;
1659 /* Seek to the start of the data area. */
1660 if (ieee->read_data)
1661 return TRUE;
1662 ieee->read_data = TRUE;
1663 ieee_seek (ieee, ieee->w.r.data_part);
1665 /* Allocate enough space for all the section contents. */
1666 for (s = abfd->sections; s != (asection *) NULL; s = s->next)
1668 ieee_per_section_type *per = ieee_per_section (s);
1669 arelent **relpp;
1671 if ((s->flags & SEC_DEBUGGING) != 0)
1672 continue;
1673 per->data = bfd_alloc (ieee->h.abfd, s->size);
1674 if (!per->data)
1675 return FALSE;
1676 relpp = &s->relocation;
1677 per->reloc_tail_ptr = (ieee_reloc_type **) relpp;
1680 while (TRUE)
1682 switch (this_byte (&(ieee->h)))
1684 /* IF we see anything strange then quit. */
1685 default:
1686 return TRUE;
1688 case ieee_set_current_section_enum:
1689 next_byte (&(ieee->h));
1690 section_number = must_parse_int (&(ieee->h));
1691 s = ieee->section_table[section_number];
1692 s->flags |= SEC_LOAD | SEC_HAS_CONTENTS;
1693 current_map = ieee_per_section (s);
1694 location_ptr = current_map->data - s->vma;
1695 /* The document I have says that Microtec's compilers reset
1696 this after a sec section, even though the standard says not
1697 to, SO... */
1698 current_map->pc = s->vma;
1699 break;
1701 case ieee_e2_first_byte_enum:
1702 next_byte (&(ieee->h));
1703 switch (this_byte (&(ieee->h)))
1705 case ieee_set_current_pc_enum & 0xff:
1707 bfd_vma value;
1708 ieee_symbol_index_type symbol;
1709 unsigned int extra;
1710 bfd_boolean pcrel;
1712 next_byte (&(ieee->h));
1713 must_parse_int (&(ieee->h)); /* Throw away section #. */
1714 parse_expression (ieee, &value,
1715 &symbol,
1716 &pcrel, &extra,
1718 current_map->pc = value;
1719 BFD_ASSERT ((unsigned) (value - s->vma) <= s->size);
1721 break;
1723 case ieee_value_starting_address_enum & 0xff:
1724 next_byte (&(ieee->h));
1725 if (this_byte (&(ieee->h)) == ieee_function_either_open_b_enum)
1726 next_byte (&(ieee->h));
1727 abfd->start_address = must_parse_int (&(ieee->h));
1728 /* We've got to the end of the data now - */
1729 return TRUE;
1730 default:
1731 BFD_FAIL ();
1732 return FALSE;
1734 break;
1735 case ieee_repeat_data_enum:
1737 /* Repeat the following LD or LR n times - we do this by
1738 remembering the stream pointer before running it and
1739 resetting it and running it n times. We special case
1740 the repetition of a repeat_data/load_constant. */
1741 unsigned int iterations;
1742 unsigned char *start;
1744 next_byte (&(ieee->h));
1745 iterations = must_parse_int (&(ieee->h));
1746 start = ieee->h.input_p;
1747 if (start[0] == (int) ieee_load_constant_bytes_enum
1748 && start[1] == 1)
1750 while (iterations != 0)
1752 location_ptr[current_map->pc++] = start[2];
1753 iterations--;
1755 next_byte (&(ieee->h));
1756 next_byte (&(ieee->h));
1757 next_byte (&(ieee->h));
1759 else
1761 while (iterations != 0)
1763 ieee->h.input_p = start;
1764 if (!do_one (ieee, current_map, location_ptr, s,
1765 (int) iterations))
1766 return FALSE;
1767 iterations--;
1771 break;
1772 case ieee_load_constant_bytes_enum:
1773 case ieee_load_with_relocation_enum:
1774 if (!do_one (ieee, current_map, location_ptr, s, 1))
1775 return FALSE;
1780 static const bfd_target *
1781 ieee_object_p (bfd *abfd)
1783 char *processor;
1784 unsigned int part;
1785 ieee_data_type *ieee;
1786 unsigned char buffer[300];
1787 ieee_data_type *save = IEEE_DATA (abfd);
1788 bfd_size_type amt;
1790 abfd->tdata.ieee_data = 0;
1791 ieee_mkobject (abfd);
1793 ieee = IEEE_DATA (abfd);
1794 if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
1795 goto fail;
1796 /* Read the first few bytes in to see if it makes sense. Ignore
1797 bfd_bread return value; The file might be very small. */
1798 bfd_bread ((void *) buffer, (bfd_size_type) sizeof (buffer), abfd);
1800 ieee->h.input_p = buffer;
1801 if (this_byte_and_next (&(ieee->h)) != Module_Beginning)
1802 goto got_wrong_format;
1804 ieee->read_symbols = FALSE;
1805 ieee->read_data = FALSE;
1806 ieee->section_count = 0;
1807 ieee->external_symbol_max_index = 0;
1808 ieee->external_symbol_min_index = IEEE_PUBLIC_BASE;
1809 ieee->external_reference_min_index = IEEE_REFERENCE_BASE;
1810 ieee->external_reference_max_index = 0;
1811 ieee->h.abfd = abfd;
1812 ieee->section_table = NULL;
1813 ieee->section_table_size = 0;
1815 processor = ieee->mb.processor = read_id (&(ieee->h));
1816 if (strcmp (processor, "LIBRARY") == 0)
1817 goto got_wrong_format;
1818 ieee->mb.module_name = read_id (&(ieee->h));
1819 if (abfd->filename == (const char *) NULL)
1820 abfd->filename = ieee->mb.module_name;
1822 /* Determine the architecture and machine type of the object file. */
1824 const bfd_arch_info_type *arch;
1825 char family[10];
1827 /* IEEE does not specify the format of the processor identification
1828 string, so the compiler is free to put in it whatever it wants.
1829 We try here to recognize different processors belonging to the
1830 m68k family. Code for other processors can be added here. */
1831 if ((processor[0] == '6') && (processor[1] == '8'))
1833 if (processor[2] == '3') /* 683xx integrated processors. */
1835 switch (processor[3])
1837 case '0': /* 68302, 68306, 68307 */
1838 case '2': /* 68322, 68328 */
1839 case '5': /* 68356 */
1840 strcpy (family, "68000"); /* MC68000-based controllers. */
1841 break;
1843 case '3': /* 68330, 68331, 68332, 68333,
1844 68334, 68335, 68336, 68338 */
1845 case '6': /* 68360 */
1846 case '7': /* 68376 */
1847 strcpy (family, "68332"); /* CPU32 and CPU32+ */
1848 break;
1850 case '4':
1851 if (processor[4] == '9') /* 68349 */
1852 strcpy (family, "68030"); /* CPU030 */
1853 else /* 68340, 68341 */
1854 strcpy (family, "68332"); /* CPU32 and CPU32+ */
1855 break;
1857 default: /* Does not exist yet. */
1858 strcpy (family, "68332"); /* Guess it will be CPU32 */
1861 else if (TOUPPER (processor[3]) == 'F') /* 68F333 */
1862 strcpy (family, "68332"); /* CPU32 */
1863 else if ((TOUPPER (processor[3]) == 'C') /* Embedded controllers. */
1864 && ((TOUPPER (processor[2]) == 'E')
1865 || (TOUPPER (processor[2]) == 'H')
1866 || (TOUPPER (processor[2]) == 'L')))
1868 strcpy (family, "68");
1869 strncat (family, processor + 4, 7);
1870 family[9] = '\0';
1872 else /* "Regular" processors. */
1874 strncpy (family, processor, 9);
1875 family[9] = '\0';
1878 else if ((strncmp (processor, "cpu32", 5) == 0) /* CPU32 and CPU32+ */
1879 || (strncmp (processor, "CPU32", 5) == 0))
1880 strcpy (family, "68332");
1881 else
1883 strncpy (family, processor, 9);
1884 family[9] = '\0';
1887 arch = bfd_scan_arch (family);
1888 if (arch == 0)
1889 goto got_wrong_format;
1890 abfd->arch_info = arch;
1893 if (this_byte (&(ieee->h)) != (int) ieee_address_descriptor_enum)
1894 goto fail;
1896 next_byte (&(ieee->h));
1898 if (! parse_int (&(ieee->h), &ieee->ad.number_of_bits_mau))
1899 goto fail;
1901 if (! parse_int (&(ieee->h), &ieee->ad.number_of_maus_in_address))
1902 goto fail;
1904 /* If there is a byte order info, take it. */
1905 if (this_byte (&(ieee->h)) == (int) ieee_variable_L_enum
1906 || this_byte (&(ieee->h)) == (int) ieee_variable_M_enum)
1907 next_byte (&(ieee->h));
1909 for (part = 0; part < N_W_VARIABLES; part++)
1911 bfd_boolean ok;
1913 if (read_2bytes (&(ieee->h)) != (int) ieee_assign_value_to_variable_enum)
1914 goto fail;
1916 if (this_byte_and_next (&(ieee->h)) != part)
1917 goto fail;
1919 ieee->w.offset[part] = parse_i (&(ieee->h), &ok);
1920 if (! ok)
1921 goto fail;
1924 if (ieee->w.r.external_part != 0)
1925 abfd->flags = HAS_SYMS;
1927 /* By now we know that this is a real IEEE file, we're going to read
1928 the whole thing into memory so that we can run up and down it
1929 quickly. We can work out how big the file is from the trailer
1930 record. */
1932 amt = ieee->w.r.me_record + 1;
1933 IEEE_DATA (abfd)->h.first_byte = bfd_alloc (ieee->h.abfd, amt);
1934 if (!IEEE_DATA (abfd)->h.first_byte)
1935 goto fail;
1936 if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
1937 goto fail;
1938 /* FIXME: Check return value. I'm not sure whether it needs to read
1939 the entire buffer or not. */
1940 bfd_bread ((void *) (IEEE_DATA (abfd)->h.first_byte),
1941 (bfd_size_type) ieee->w.r.me_record + 1, abfd);
1943 ieee_slurp_sections (abfd);
1945 if (! ieee_slurp_debug (abfd))
1946 goto fail;
1948 /* Parse section data to activate file and section flags implied by
1949 section contents. */
1950 if (! ieee_slurp_section_data (abfd))
1951 goto fail;
1953 return abfd->xvec;
1954 got_wrong_format:
1955 bfd_set_error (bfd_error_wrong_format);
1956 fail:
1957 bfd_release (abfd, ieee);
1958 abfd->tdata.ieee_data = save;
1959 return (const bfd_target *) NULL;
1962 static void
1963 ieee_get_symbol_info (bfd *ignore_abfd ATTRIBUTE_UNUSED,
1964 asymbol *symbol,
1965 symbol_info *ret)
1967 bfd_symbol_info (symbol, ret);
1968 if (symbol->name[0] == ' ')
1969 ret->name = "* empty table entry ";
1970 if (!symbol->section)
1971 ret->type = (symbol->flags & BSF_LOCAL) ? 'a' : 'A';
1974 static void
1975 ieee_print_symbol (bfd *abfd,
1976 void * afile,
1977 asymbol *symbol,
1978 bfd_print_symbol_type how)
1980 FILE *file = (FILE *) afile;
1982 switch (how)
1984 case bfd_print_symbol_name:
1985 fprintf (file, "%s", symbol->name);
1986 break;
1987 case bfd_print_symbol_more:
1988 BFD_FAIL ();
1989 break;
1990 case bfd_print_symbol_all:
1992 const char *section_name =
1993 (symbol->section == (asection *) NULL
1994 ? "*abs"
1995 : symbol->section->name);
1997 if (symbol->name[0] == ' ')
1998 fprintf (file, "* empty table entry ");
1999 else
2001 bfd_print_symbol_vandf (abfd, (void *) file, symbol);
2003 fprintf (file, " %-5s %04x %02x %s",
2004 section_name,
2005 (unsigned) ieee_symbol (symbol)->index,
2006 (unsigned) 0,
2007 symbol->name);
2010 break;
2014 static bfd_boolean
2015 ieee_new_section_hook (bfd *abfd, asection *newsect)
2017 newsect->used_by_bfd = bfd_alloc (abfd, (bfd_size_type) sizeof (ieee_per_section_type));
2018 if (!newsect->used_by_bfd)
2019 return FALSE;
2020 ieee_per_section (newsect)->data = NULL;
2021 ieee_per_section (newsect)->section = newsect;
2022 return TRUE;
2025 static long
2026 ieee_get_reloc_upper_bound (bfd *abfd, sec_ptr asect)
2028 if ((asect->flags & SEC_DEBUGGING) != 0)
2029 return 0;
2030 if (! ieee_slurp_section_data (abfd))
2031 return -1;
2032 return (asect->reloc_count + 1) * sizeof (arelent *);
2035 static bfd_boolean
2036 ieee_get_section_contents (bfd *abfd,
2037 sec_ptr section,
2038 void * location,
2039 file_ptr offset,
2040 bfd_size_type count)
2042 ieee_per_section_type *p = ieee_per_section (section);
2043 if ((section->flags & SEC_DEBUGGING) != 0)
2044 return _bfd_generic_get_section_contents (abfd, section, location,
2045 offset, count);
2046 ieee_slurp_section_data (abfd);
2047 (void) memcpy ((void *) location, (void *) (p->data + offset), (unsigned) count);
2048 return TRUE;
2051 static long
2052 ieee_canonicalize_reloc (bfd *abfd,
2053 sec_ptr section,
2054 arelent **relptr,
2055 asymbol **symbols)
2057 ieee_reloc_type *src = (ieee_reloc_type *) (section->relocation);
2058 ieee_data_type *ieee = IEEE_DATA (abfd);
2060 if ((section->flags & SEC_DEBUGGING) != 0)
2061 return 0;
2063 while (src != (ieee_reloc_type *) NULL)
2065 /* Work out which symbol to attach it this reloc to. */
2066 switch (src->symbol.letter)
2068 case 'I':
2069 src->relent.sym_ptr_ptr =
2070 symbols + src->symbol.index + ieee->external_symbol_base_offset;
2071 break;
2072 case 'X':
2073 src->relent.sym_ptr_ptr =
2074 symbols + src->symbol.index + ieee->external_reference_base_offset;
2075 break;
2076 case 0:
2077 if (src->relent.sym_ptr_ptr != NULL)
2078 src->relent.sym_ptr_ptr =
2079 src->relent.sym_ptr_ptr[0]->section->symbol_ptr_ptr;
2080 break;
2081 default:
2083 BFD_FAIL ();
2085 *relptr++ = &src->relent;
2086 src = src->next;
2088 *relptr = NULL;
2089 return section->reloc_count;
2092 static int
2093 comp (const void * ap, const void * bp)
2095 arelent *a = *((arelent **) ap);
2096 arelent *b = *((arelent **) bp);
2097 return a->address - b->address;
2100 /* Write the section headers. */
2102 static bfd_boolean
2103 ieee_write_section_part (bfd *abfd)
2105 ieee_data_type *ieee = IEEE_DATA (abfd);
2106 asection *s;
2108 ieee->w.r.section_part = bfd_tell (abfd);
2109 for (s = abfd->sections; s != (asection *) NULL; s = s->next)
2111 if (! bfd_is_abs_section (s)
2112 && (s->flags & SEC_DEBUGGING) == 0)
2114 if (! ieee_write_byte (abfd, ieee_section_type_enum)
2115 || ! ieee_write_byte (abfd,
2116 (bfd_byte) (s->index
2117 + IEEE_SECTION_NUMBER_BASE)))
2118 return FALSE;
2120 if (abfd->flags & EXEC_P)
2122 /* This image is executable, so output absolute sections. */
2123 if (! ieee_write_byte (abfd, ieee_variable_A_enum)
2124 || ! ieee_write_byte (abfd, ieee_variable_S_enum))
2125 return FALSE;
2127 else
2129 if (! ieee_write_byte (abfd, ieee_variable_C_enum))
2130 return FALSE;
2133 switch (s->flags & (SEC_CODE | SEC_DATA | SEC_ROM))
2135 case SEC_CODE | SEC_LOAD:
2136 case SEC_CODE:
2137 if (! ieee_write_byte (abfd, ieee_variable_P_enum))
2138 return FALSE;
2139 break;
2140 case SEC_DATA:
2141 default:
2142 if (! ieee_write_byte (abfd, ieee_variable_D_enum))
2143 return FALSE;
2144 break;
2145 case SEC_ROM:
2146 case SEC_ROM | SEC_DATA:
2147 case SEC_ROM | SEC_LOAD:
2148 case SEC_ROM | SEC_DATA | SEC_LOAD:
2149 if (! ieee_write_byte (abfd, ieee_variable_R_enum))
2150 return FALSE;
2154 if (! ieee_write_id (abfd, s->name))
2155 return FALSE;
2156 /* Alignment. */
2157 if (! ieee_write_byte (abfd, ieee_section_alignment_enum)
2158 || ! ieee_write_byte (abfd,
2159 (bfd_byte) (s->index
2160 + IEEE_SECTION_NUMBER_BASE))
2161 || ! ieee_write_int (abfd, (bfd_vma) 1 << s->alignment_power))
2162 return FALSE;
2164 /* Size. */
2165 if (! ieee_write_2bytes (abfd, ieee_section_size_enum)
2166 || ! ieee_write_byte (abfd,
2167 (bfd_byte) (s->index
2168 + IEEE_SECTION_NUMBER_BASE))
2169 || ! ieee_write_int (abfd, s->size))
2170 return FALSE;
2171 if (abfd->flags & EXEC_P)
2173 /* Relocateable sections don't have asl records. */
2174 /* Vma. */
2175 if (! ieee_write_2bytes (abfd, ieee_section_base_address_enum)
2176 || ! ieee_write_byte (abfd,
2177 ((bfd_byte)
2178 (s->index
2179 + IEEE_SECTION_NUMBER_BASE)))
2180 || ! ieee_write_int (abfd, s->lma))
2181 return FALSE;
2186 return TRUE;
2189 static bfd_boolean
2190 do_with_relocs (bfd *abfd, asection *s)
2192 unsigned int number_of_maus_in_address =
2193 bfd_arch_bits_per_address (abfd) / bfd_arch_bits_per_byte (abfd);
2194 unsigned int relocs_to_go = s->reloc_count;
2195 bfd_byte *stream = ieee_per_section (s)->data;
2196 arelent **p = s->orelocation;
2197 bfd_size_type current_byte_index = 0;
2199 qsort (s->orelocation,
2200 relocs_to_go,
2201 sizeof (arelent **),
2202 comp);
2204 /* Output the section preheader. */
2205 if (! ieee_write_byte (abfd, ieee_set_current_section_enum)
2206 || ! ieee_write_byte (abfd,
2207 (bfd_byte) (s->index + IEEE_SECTION_NUMBER_BASE))
2208 || ! ieee_write_2bytes (abfd, ieee_set_current_pc_enum)
2209 || ! ieee_write_byte (abfd,
2210 (bfd_byte) (s->index + IEEE_SECTION_NUMBER_BASE)))
2211 return FALSE;
2213 if ((abfd->flags & EXEC_P) != 0 && relocs_to_go == 0)
2215 if (! ieee_write_int (abfd, s->lma))
2216 return FALSE;
2218 else
2220 if (! ieee_write_expression (abfd, (bfd_vma) 0, s->symbol, 0, 0))
2221 return FALSE;
2224 if (relocs_to_go == 0)
2226 /* If there aren't any relocations then output the load constant
2227 byte opcode rather than the load with relocation opcode. */
2228 while (current_byte_index < s->size)
2230 bfd_size_type run;
2231 unsigned int MAXRUN = 127;
2233 run = MAXRUN;
2234 if (run > s->size - current_byte_index)
2235 run = s->size - current_byte_index;
2237 if (run != 0)
2239 if (! ieee_write_byte (abfd, ieee_load_constant_bytes_enum))
2240 return FALSE;
2241 /* Output a stream of bytes. */
2242 if (! ieee_write_int (abfd, run))
2243 return FALSE;
2244 if (bfd_bwrite ((void *) (stream + current_byte_index), run, abfd)
2245 != run)
2246 return FALSE;
2247 current_byte_index += run;
2251 else
2253 if (! ieee_write_byte (abfd, ieee_load_with_relocation_enum))
2254 return FALSE;
2256 /* Output the data stream as the longest sequence of bytes
2257 possible, allowing for the a reasonable packet size and
2258 relocation stuffs. */
2259 if (stream == NULL)
2261 /* Outputting a section without data, fill it up. */
2262 stream = bfd_zalloc (abfd, s->size);
2263 if (!stream)
2264 return FALSE;
2266 while (current_byte_index < s->size)
2268 bfd_size_type run;
2269 unsigned int MAXRUN = 127;
2271 if (relocs_to_go)
2273 run = (*p)->address - current_byte_index;
2274 if (run > MAXRUN)
2275 run = MAXRUN;
2277 else
2278 run = MAXRUN;
2280 if (run > s->size - current_byte_index)
2281 run = s->size - current_byte_index;
2283 if (run != 0)
2285 /* Output a stream of bytes. */
2286 if (! ieee_write_int (abfd, run))
2287 return FALSE;
2288 if (bfd_bwrite ((void *) (stream + current_byte_index), run, abfd)
2289 != run)
2290 return FALSE;
2291 current_byte_index += run;
2294 /* Output any relocations here. */
2295 if (relocs_to_go && (*p) && (*p)->address == current_byte_index)
2297 while (relocs_to_go
2298 && (*p) && (*p)->address == current_byte_index)
2300 arelent *r = *p;
2301 bfd_signed_vma ov;
2302 switch (r->howto->size)
2304 case 2:
2305 ov = bfd_get_signed_32 (abfd,
2306 stream + current_byte_index);
2307 current_byte_index += 4;
2308 break;
2309 case 1:
2310 ov = bfd_get_signed_16 (abfd,
2311 stream + current_byte_index);
2312 current_byte_index += 2;
2313 break;
2314 case 0:
2315 ov = bfd_get_signed_8 (abfd,
2316 stream + current_byte_index);
2317 current_byte_index++;
2318 break;
2319 default:
2320 ov = 0;
2321 BFD_FAIL ();
2322 return FALSE;
2325 ov &= r->howto->src_mask;
2327 if (r->howto->pc_relative
2328 && ! r->howto->pcrel_offset)
2329 ov += r->address;
2331 if (! ieee_write_byte (abfd,
2332 ieee_function_either_open_b_enum))
2333 return FALSE;
2335 if (r->sym_ptr_ptr != (asymbol **) NULL)
2337 if (! ieee_write_expression (abfd, r->addend + ov,
2338 *(r->sym_ptr_ptr),
2339 r->howto->pc_relative,
2340 (unsigned) s->index))
2341 return FALSE;
2343 else
2345 if (! ieee_write_expression (abfd, r->addend + ov,
2346 (asymbol *) NULL,
2347 r->howto->pc_relative,
2348 (unsigned) s->index))
2349 return FALSE;
2352 if (number_of_maus_in_address
2353 != bfd_get_reloc_size (r->howto))
2355 bfd_vma rsize = bfd_get_reloc_size (r->howto);
2356 if (! ieee_write_int (abfd, rsize))
2357 return FALSE;
2359 if (! ieee_write_byte (abfd,
2360 ieee_function_either_close_b_enum))
2361 return FALSE;
2363 relocs_to_go--;
2364 p++;
2371 return TRUE;
2374 /* If there are no relocations in the output section then we can be
2375 clever about how we write. We block items up into a max of 127
2376 bytes. */
2378 static bfd_boolean
2379 do_as_repeat (bfd *abfd, asection *s)
2381 if (s->size)
2383 if (! ieee_write_byte (abfd, ieee_set_current_section_enum)
2384 || ! ieee_write_byte (abfd,
2385 (bfd_byte) (s->index
2386 + IEEE_SECTION_NUMBER_BASE))
2387 || ! ieee_write_byte (abfd, ieee_set_current_pc_enum >> 8)
2388 || ! ieee_write_byte (abfd, ieee_set_current_pc_enum & 0xff)
2389 || ! ieee_write_byte (abfd,
2390 (bfd_byte) (s->index
2391 + IEEE_SECTION_NUMBER_BASE)))
2392 return FALSE;
2394 if ((abfd->flags & EXEC_P) != 0)
2396 if (! ieee_write_int (abfd, s->lma))
2397 return FALSE;
2399 else
2401 if (! ieee_write_expression (abfd, (bfd_vma) 0, s->symbol, 0, 0))
2402 return FALSE;
2405 if (! ieee_write_byte (abfd, ieee_repeat_data_enum)
2406 || ! ieee_write_int (abfd, s->size)
2407 || ! ieee_write_byte (abfd, ieee_load_constant_bytes_enum)
2408 || ! ieee_write_byte (abfd, 1)
2409 || ! ieee_write_byte (abfd, 0))
2410 return FALSE;
2413 return TRUE;
2416 static bfd_boolean
2417 do_without_relocs (bfd *abfd, asection *s)
2419 bfd_byte *stream = ieee_per_section (s)->data;
2421 if (stream == 0 || ((s->flags & SEC_LOAD) == 0))
2423 if (! do_as_repeat (abfd, s))
2424 return FALSE;
2426 else
2428 unsigned int i;
2430 for (i = 0; i < s->size; i++)
2432 if (stream[i] != 0)
2434 if (! do_with_relocs (abfd, s))
2435 return FALSE;
2436 return TRUE;
2439 if (! do_as_repeat (abfd, s))
2440 return FALSE;
2443 return TRUE;
2446 static void
2447 fill (void)
2449 bfd_size_type amt = input_ptr_end - input_ptr_start;
2450 /* FIXME: Check return value. I'm not sure whether it needs to read
2451 the entire buffer or not. */
2452 bfd_bread ((void *) input_ptr_start, amt, input_bfd);
2453 input_ptr = input_ptr_start;
2456 static void
2457 flush (void)
2459 bfd_size_type amt = output_ptr - output_ptr_start;
2461 if (bfd_bwrite ((void *) (output_ptr_start), amt, output_bfd) != amt)
2462 abort ();
2463 output_ptr = output_ptr_start;
2464 output_buffer++;
2467 #define THIS() ( *input_ptr )
2468 #define NEXT() { input_ptr++; if (input_ptr == input_ptr_end) fill (); }
2469 #define OUT(x) { *output_ptr++ = (x); if (output_ptr == output_ptr_end) flush (); }
2471 static void
2472 write_int (int value)
2474 if (value >= 0 && value <= 127)
2476 OUT (value);
2478 else
2480 unsigned int length;
2482 /* How many significant bytes ? */
2483 /* FIXME FOR LONGER INTS. */
2484 if (value & 0xff000000)
2485 length = 4;
2486 else if (value & 0x00ff0000)
2487 length = 3;
2488 else if (value & 0x0000ff00)
2489 length = 2;
2490 else
2491 length = 1;
2493 OUT ((int) ieee_number_repeat_start_enum + length);
2494 switch (length)
2496 case 4:
2497 OUT (value >> 24);
2498 case 3:
2499 OUT (value >> 16);
2500 case 2:
2501 OUT (value >> 8);
2502 case 1:
2503 OUT (value);
2508 static void
2509 copy_id (void)
2511 int length = THIS ();
2512 char ch;
2514 OUT (length);
2515 NEXT ();
2516 while (length--)
2518 ch = THIS ();
2519 OUT (ch);
2520 NEXT ();
2524 #define VAR(x) ((x | 0x80))
2525 static void
2526 copy_expression (void)
2528 int stack[10];
2529 int *tos = stack;
2530 int value;
2532 while (1)
2534 switch (THIS ())
2536 case 0x84:
2537 NEXT ();
2538 value = THIS ();
2539 NEXT ();
2540 value = (value << 8) | THIS ();
2541 NEXT ();
2542 value = (value << 8) | THIS ();
2543 NEXT ();
2544 value = (value << 8) | THIS ();
2545 NEXT ();
2546 *tos++ = value;
2547 break;
2548 case 0x83:
2549 NEXT ();
2550 value = THIS ();
2551 NEXT ();
2552 value = (value << 8) | THIS ();
2553 NEXT ();
2554 value = (value << 8) | THIS ();
2555 NEXT ();
2556 *tos++ = value;
2557 break;
2558 case 0x82:
2559 NEXT ();
2560 value = THIS ();
2561 NEXT ();
2562 value = (value << 8) | THIS ();
2563 NEXT ();
2564 *tos++ = value;
2565 break;
2566 case 0x81:
2567 NEXT ();
2568 value = THIS ();
2569 NEXT ();
2570 *tos++ = value;
2571 break;
2572 case 0x80:
2573 NEXT ();
2574 *tos++ = 0;
2575 break;
2576 default:
2577 if (THIS () > 0x84)
2579 /* Not a number, just bug out with the answer. */
2580 write_int (*(--tos));
2581 return;
2583 *tos++ = THIS ();
2584 NEXT ();
2585 break;
2586 case 0xa5:
2587 /* PLUS anything. */
2588 value = *(--tos);
2589 value += *(--tos);
2590 *tos++ = value;
2591 NEXT ();
2592 break;
2593 case VAR ('R'):
2595 int section_number;
2596 ieee_data_type *ieee;
2597 asection *s;
2599 NEXT ();
2600 section_number = THIS ();
2602 NEXT ();
2603 ieee = IEEE_DATA (input_bfd);
2604 s = ieee->section_table[section_number];
2605 value = 0;
2606 if (s->output_section)
2607 value = s->output_section->lma;
2608 value += s->output_offset;
2609 *tos++ = value;
2611 break;
2612 case 0x90:
2614 NEXT ();
2615 write_int (*(--tos));
2616 OUT (0x90);
2617 return;
2623 /* Drop the int in the buffer, and copy a null into the gap, which we
2624 will overwrite later. */
2626 static void
2627 fill_int (struct output_buffer_struct *buf)
2629 if (buf->buffer == output_buffer)
2631 /* Still a chance to output the size. */
2632 int value = output_ptr - buf->ptrp + 3;
2633 buf->ptrp[0] = value >> 24;
2634 buf->ptrp[1] = value >> 16;
2635 buf->ptrp[2] = value >> 8;
2636 buf->ptrp[3] = value >> 0;
2640 static void
2641 drop_int (struct output_buffer_struct *buf)
2643 int type = THIS ();
2644 int ch;
2646 if (type <= 0x84)
2648 NEXT ();
2649 switch (type)
2651 case 0x84:
2652 ch = THIS ();
2653 NEXT ();
2654 case 0x83:
2655 ch = THIS ();
2656 NEXT ();
2657 case 0x82:
2658 ch = THIS ();
2659 NEXT ();
2660 case 0x81:
2661 ch = THIS ();
2662 NEXT ();
2663 case 0x80:
2664 break;
2667 OUT (0x84);
2668 buf->ptrp = output_ptr;
2669 buf->buffer = output_buffer;
2670 OUT (0);
2671 OUT (0);
2672 OUT (0);
2673 OUT (0);
2676 static void
2677 copy_int (void)
2679 int type = THIS ();
2680 int ch;
2681 if (type <= 0x84)
2683 OUT (type);
2684 NEXT ();
2685 switch (type)
2687 case 0x84:
2688 ch = THIS ();
2689 NEXT ();
2690 OUT (ch);
2691 case 0x83:
2692 ch = THIS ();
2693 NEXT ();
2694 OUT (ch);
2695 case 0x82:
2696 ch = THIS ();
2697 NEXT ();
2698 OUT (ch);
2699 case 0x81:
2700 ch = THIS ();
2701 NEXT ();
2702 OUT (ch);
2703 case 0x80:
2704 break;
2709 #define ID copy_id ()
2710 #define INT copy_int ()
2711 #define EXP copy_expression ()
2712 #define INTn(q) copy_int ()
2713 #define EXPn(q) copy_expression ()
2715 static void
2716 copy_till_end (void)
2718 int ch = THIS ();
2720 while (1)
2722 while (ch <= 0x80)
2724 OUT (ch);
2725 NEXT ();
2726 ch = THIS ();
2728 switch (ch)
2730 case 0x84:
2731 OUT (THIS ());
2732 NEXT ();
2733 case 0x83:
2734 OUT (THIS ());
2735 NEXT ();
2736 case 0x82:
2737 OUT (THIS ());
2738 NEXT ();
2739 case 0x81:
2740 OUT (THIS ());
2741 NEXT ();
2742 OUT (THIS ());
2743 NEXT ();
2745 ch = THIS ();
2746 break;
2747 default:
2748 return;
2754 static void
2755 f1_record (void)
2757 int ch;
2759 /* ATN record. */
2760 NEXT ();
2761 ch = THIS ();
2762 switch (ch)
2764 default:
2765 OUT (0xf1);
2766 OUT (ch);
2767 break;
2768 case 0xc9:
2769 NEXT ();
2770 OUT (0xf1);
2771 OUT (0xc9);
2772 INT;
2773 INT;
2774 ch = THIS ();
2775 switch (ch)
2777 case 0x16:
2778 NEXT ();
2779 break;
2780 case 0x01:
2781 NEXT ();
2782 break;
2783 case 0x00:
2784 NEXT ();
2785 INT;
2786 break;
2787 case 0x03:
2788 NEXT ();
2789 INT;
2790 break;
2791 case 0x13:
2792 EXPn (instruction address);
2793 break;
2794 default:
2795 break;
2797 break;
2798 case 0xd8:
2799 /* EXternal ref. */
2800 NEXT ();
2801 OUT (0xf1);
2802 OUT (0xd8);
2803 EXP;
2804 EXP;
2805 EXP;
2806 EXP;
2807 break;
2808 case 0xce:
2809 NEXT ();
2810 OUT (0xf1);
2811 OUT (0xce);
2812 INT;
2813 INT;
2814 ch = THIS ();
2815 INT;
2816 switch (ch)
2818 case 0x01:
2819 INT;
2820 INT;
2821 break;
2822 case 0x02:
2823 INT;
2824 break;
2825 case 0x04:
2826 EXPn (external function);
2827 break;
2828 case 0x05:
2829 break;
2830 case 0x07:
2831 INTn (line number);
2832 INT;
2833 case 0x08:
2834 break;
2835 case 0x0a:
2836 INTn (locked register);
2837 INT;
2838 break;
2839 case 0x3f:
2840 copy_till_end ();
2841 break;
2842 case 0x3e:
2843 copy_till_end ();
2844 break;
2845 case 0x40:
2846 copy_till_end ();
2847 break;
2848 case 0x41:
2850 break;
2855 static void
2856 f0_record (void)
2858 /* Attribute record. */
2859 NEXT ();
2860 OUT (0xf0);
2861 INTn (Symbol name);
2865 static void
2866 f2_record (void)
2868 NEXT ();
2869 OUT (0xf2);
2870 INT;
2871 NEXT ();
2872 OUT (0xce);
2873 INT;
2874 copy_till_end ();
2877 static void
2878 f8_record (void)
2880 int ch;
2881 NEXT ();
2882 ch = THIS ();
2883 switch (ch)
2885 case 0x01:
2886 case 0x02:
2887 case 0x03:
2888 /* Unique typedefs for module. */
2889 /* GLobal typedefs. */
2890 /* High level module scope beginning. */
2892 struct output_buffer_struct ob;
2894 NEXT ();
2895 OUT (0xf8);
2896 OUT (ch);
2897 drop_int (&ob);
2900 block ();
2902 NEXT ();
2903 fill_int (&ob);
2904 OUT (0xf9);
2906 break;
2907 case 0x04:
2908 /* Global function. */
2910 struct output_buffer_struct ob;
2912 NEXT ();
2913 OUT (0xf8);
2914 OUT (0x04);
2915 drop_int (&ob);
2917 INTn (stack size);
2918 INTn (ret val);
2919 EXPn (offset);
2921 block ();
2923 NEXT ();
2924 OUT (0xf9);
2925 EXPn (size of block);
2926 fill_int (&ob);
2928 break;
2930 case 0x05:
2931 /* File name for source line numbers. */
2933 struct output_buffer_struct ob;
2935 NEXT ();
2936 OUT (0xf8);
2937 OUT (0x05);
2938 drop_int (&ob);
2940 INTn (year);
2941 INTn (month);
2942 INTn (day);
2943 INTn (hour);
2944 INTn (monute);
2945 INTn (second);
2946 block ();
2947 NEXT ();
2948 OUT (0xf9);
2949 fill_int (&ob);
2951 break;
2953 case 0x06:
2954 /* Local function. */
2956 struct output_buffer_struct ob;
2958 NEXT ();
2959 OUT (0xf8);
2960 OUT (0x06);
2961 drop_int (&ob);
2963 INTn (stack size);
2964 INTn (type return);
2965 EXPn (offset);
2966 block ();
2967 NEXT ();
2968 OUT (0xf9);
2969 EXPn (size);
2970 fill_int (&ob);
2972 break;
2974 case 0x0a:
2975 /* Assembler module scope beginning - */
2977 struct output_buffer_struct ob;
2979 NEXT ();
2980 OUT (0xf8);
2981 OUT (0x0a);
2982 drop_int (&ob);
2985 INT;
2987 INT;
2988 INT;
2989 INT;
2990 INT;
2991 INT;
2992 INT;
2994 block ();
2996 NEXT ();
2997 OUT (0xf9);
2998 fill_int (&ob);
3000 break;
3001 case 0x0b:
3003 struct output_buffer_struct ob;
3005 NEXT ();
3006 OUT (0xf8);
3007 OUT (0x0b);
3008 drop_int (&ob);
3010 INT;
3011 INTn (section index);
3012 EXPn (offset);
3013 INTn (stuff);
3015 block ();
3017 OUT (0xf9);
3018 NEXT ();
3019 EXPn (Size in Maus);
3020 fill_int (&ob);
3022 break;
3026 static void
3027 e2_record (void)
3029 OUT (0xe2);
3030 NEXT ();
3031 OUT (0xce);
3032 NEXT ();
3033 INT;
3034 EXP;
3037 static void
3038 block (void)
3040 int ch;
3042 while (1)
3044 ch = THIS ();
3045 switch (ch)
3047 case 0xe1:
3048 case 0xe5:
3049 return;
3050 case 0xf9:
3051 return;
3052 case 0xf0:
3053 f0_record ();
3054 break;
3055 case 0xf1:
3056 f1_record ();
3057 break;
3058 case 0xf2:
3059 f2_record ();
3060 break;
3061 case 0xf8:
3062 f8_record ();
3063 break;
3064 case 0xe2:
3065 e2_record ();
3066 break;
3072 /* Moves all the debug information from the source bfd to the output
3073 bfd, and relocates any expressions it finds. */
3075 static void
3076 relocate_debug (bfd *output ATTRIBUTE_UNUSED,
3077 bfd *input)
3079 #define IBS 400
3080 #define OBS 400
3081 unsigned char input_buffer[IBS];
3083 input_ptr_start = input_ptr = input_buffer;
3084 input_ptr_end = input_buffer + IBS;
3085 input_bfd = input;
3086 /* FIXME: Check return value. I'm not sure whether it needs to read
3087 the entire buffer or not. */
3088 bfd_bread ((void *) input_ptr_start, (bfd_size_type) IBS, input);
3089 block ();
3092 /* Gather together all the debug information from each input BFD into
3093 one place, relocating it and emitting it as we go. */
3095 static bfd_boolean
3096 ieee_write_debug_part (bfd *abfd)
3098 ieee_data_type *ieee = IEEE_DATA (abfd);
3099 bfd_chain_type *chain = ieee->chain_root;
3100 unsigned char obuff[OBS];
3101 bfd_boolean some_debug = FALSE;
3102 file_ptr here = bfd_tell (abfd);
3104 output_ptr_start = output_ptr = obuff;
3105 output_ptr_end = obuff + OBS;
3106 output_ptr = obuff;
3107 output_bfd = abfd;
3109 if (chain == (bfd_chain_type *) NULL)
3111 asection *s;
3113 for (s = abfd->sections; s != NULL; s = s->next)
3114 if ((s->flags & SEC_DEBUGGING) != 0)
3115 break;
3116 if (s == NULL)
3118 ieee->w.r.debug_information_part = 0;
3119 return TRUE;
3122 ieee->w.r.debug_information_part = here;
3123 if (bfd_bwrite (s->contents, s->size, abfd) != s->size)
3124 return FALSE;
3126 else
3128 while (chain != (bfd_chain_type *) NULL)
3130 bfd *entry = chain->this;
3131 ieee_data_type *entry_ieee = IEEE_DATA (entry);
3133 if (entry_ieee->w.r.debug_information_part)
3135 if (bfd_seek (entry, entry_ieee->w.r.debug_information_part,
3136 SEEK_SET) != 0)
3137 return FALSE;
3138 relocate_debug (abfd, entry);
3141 chain = chain->next;
3144 if (some_debug)
3145 ieee->w.r.debug_information_part = here;
3146 else
3147 ieee->w.r.debug_information_part = 0;
3149 flush ();
3152 return TRUE;
3155 /* Write the data in an ieee way. */
3157 static bfd_boolean
3158 ieee_write_data_part (bfd *abfd)
3160 asection *s;
3162 ieee_data_type *ieee = IEEE_DATA (abfd);
3163 ieee->w.r.data_part = bfd_tell (abfd);
3165 for (s = abfd->sections; s != (asection *) NULL; s = s->next)
3167 /* Skip sections that have no loadable contents (.bss,
3168 debugging, etc.) */
3169 if ((s->flags & SEC_LOAD) == 0)
3170 continue;
3172 /* Sort the reloc records so we can insert them in the correct
3173 places. */
3174 if (s->reloc_count != 0)
3176 if (! do_with_relocs (abfd, s))
3177 return FALSE;
3179 else
3181 if (! do_without_relocs (abfd, s))
3182 return FALSE;
3186 return TRUE;
3189 static bfd_boolean
3190 init_for_output (bfd *abfd)
3192 asection *s;
3194 for (s = abfd->sections; s != (asection *) NULL; s = s->next)
3196 if ((s->flags & SEC_DEBUGGING) != 0)
3197 continue;
3198 if (s->size != 0)
3200 bfd_size_type size = s->size;
3201 ieee_per_section (s)->data = bfd_alloc (abfd, size);
3202 if (!ieee_per_section (s)->data)
3203 return FALSE;
3206 return TRUE;
3209 /* Exec and core file sections. */
3211 /* Set section contents is complicated with IEEE since the format is
3212 not a byte image, but a record stream. */
3214 static bfd_boolean
3215 ieee_set_section_contents (bfd *abfd,
3216 sec_ptr section,
3217 const void * location,
3218 file_ptr offset,
3219 bfd_size_type count)
3221 if ((section->flags & SEC_DEBUGGING) != 0)
3223 if (section->contents == NULL)
3225 bfd_size_type size = section->size;
3226 section->contents = bfd_alloc (abfd, size);
3227 if (section->contents == NULL)
3228 return FALSE;
3230 /* bfd_set_section_contents has already checked that everything
3231 is within range. */
3232 memcpy (section->contents + offset, location, (size_t) count);
3233 return TRUE;
3236 if (ieee_per_section (section)->data == (bfd_byte *) NULL)
3238 if (!init_for_output (abfd))
3239 return FALSE;
3241 memcpy ((void *) (ieee_per_section (section)->data + offset),
3242 (void *) location,
3243 (unsigned int) count);
3244 return TRUE;
3247 /* Write the external symbols of a file. IEEE considers two sorts of
3248 external symbols, public, and referenced. It uses to internal
3249 forms to index them as well. When we write them out we turn their
3250 symbol values into indexes from the right base. */
3252 static bfd_boolean
3253 ieee_write_external_part (bfd *abfd)
3255 asymbol **q;
3256 ieee_data_type *ieee = IEEE_DATA (abfd);
3257 unsigned int reference_index = IEEE_REFERENCE_BASE;
3258 unsigned int public_index = IEEE_PUBLIC_BASE + 2;
3259 file_ptr here = bfd_tell (abfd);
3260 bfd_boolean hadone = FALSE;
3262 if (abfd->outsymbols != (asymbol **) NULL)
3265 for (q = abfd->outsymbols; *q != (asymbol *) NULL; q++)
3267 asymbol *p = *q;
3269 if (bfd_is_und_section (p->section))
3271 /* This must be a symbol reference. */
3272 if (! ieee_write_byte (abfd, ieee_external_reference_enum)
3273 || ! ieee_write_int (abfd, (bfd_vma) reference_index)
3274 || ! ieee_write_id (abfd, p->name))
3275 return FALSE;
3276 p->value = reference_index;
3277 reference_index++;
3278 hadone = TRUE;
3280 else if (bfd_is_com_section (p->section))
3282 /* This is a weak reference. */
3283 if (! ieee_write_byte (abfd, ieee_external_reference_enum)
3284 || ! ieee_write_int (abfd, (bfd_vma) reference_index)
3285 || ! ieee_write_id (abfd, p->name)
3286 || ! ieee_write_byte (abfd,
3287 ieee_weak_external_reference_enum)
3288 || ! ieee_write_int (abfd, (bfd_vma) reference_index)
3289 || ! ieee_write_int (abfd, p->value))
3290 return FALSE;
3291 p->value = reference_index;
3292 reference_index++;
3293 hadone = TRUE;
3295 else if (p->flags & BSF_GLOBAL)
3297 /* This must be a symbol definition. */
3298 if (! ieee_write_byte (abfd, ieee_external_symbol_enum)
3299 || ! ieee_write_int (abfd, (bfd_vma) public_index)
3300 || ! ieee_write_id (abfd, p->name)
3301 || ! ieee_write_2bytes (abfd, ieee_attribute_record_enum)
3302 || ! ieee_write_int (abfd, (bfd_vma) public_index)
3303 || ! ieee_write_byte (abfd, 15) /* Instruction address. */
3304 || ! ieee_write_byte (abfd, 19) /* Static symbol. */
3305 || ! ieee_write_byte (abfd, 1)) /* One of them. */
3306 return FALSE;
3308 /* Write out the value. */
3309 if (! ieee_write_2bytes (abfd, ieee_value_record_enum)
3310 || ! ieee_write_int (abfd, (bfd_vma) public_index))
3311 return FALSE;
3312 if (! bfd_is_abs_section (p->section))
3314 if (abfd->flags & EXEC_P)
3316 /* If fully linked, then output all symbols
3317 relocated. */
3318 if (! (ieee_write_int
3319 (abfd,
3320 (p->value
3321 + p->section->output_offset
3322 + p->section->output_section->vma))))
3323 return FALSE;
3325 else
3327 if (! (ieee_write_expression
3328 (abfd,
3329 p->value + p->section->output_offset,
3330 p->section->output_section->symbol,
3331 FALSE, 0)))
3332 return FALSE;
3335 else
3337 if (! ieee_write_expression (abfd,
3338 p->value,
3339 bfd_abs_section_ptr->symbol,
3340 FALSE, 0))
3341 return FALSE;
3343 p->value = public_index;
3344 public_index++;
3345 hadone = TRUE;
3347 else
3349 /* This can happen - when there are gaps in the symbols read
3350 from an input ieee file. */
3354 if (hadone)
3355 ieee->w.r.external_part = here;
3357 return TRUE;
3361 static const unsigned char exten[] =
3363 0xf0, 0x20, 0x00,
3364 0xf1, 0xce, 0x20, 0x00, 37, 3, 3, /* Set version 3 rev 3. */
3365 0xf1, 0xce, 0x20, 0x00, 39, 2, /* Keep symbol in original case. */
3366 0xf1, 0xce, 0x20, 0x00, 38 /* Set object type relocatable to x. */
3369 static const unsigned char envi[] =
3371 0xf0, 0x21, 0x00,
3373 /* 0xf1, 0xce, 0x21, 00, 50, 0x82, 0x07, 0xc7, 0x09, 0x11, 0x11,
3374 0x19, 0x2c,
3376 0xf1, 0xce, 0x21, 00, 52, 0x00, /* exec ok. */
3378 0xf1, 0xce, 0x21, 0, 53, 0x03,/* host unix. */
3379 /* 0xf1, 0xce, 0x21, 0, 54, 2,1,1 tool & version # */
3382 static bfd_boolean
3383 ieee_write_me_part (bfd *abfd)
3385 ieee_data_type *ieee = IEEE_DATA (abfd);
3386 ieee->w.r.trailer_part = bfd_tell (abfd);
3387 if (abfd->start_address)
3389 if (! ieee_write_2bytes (abfd, ieee_value_starting_address_enum)
3390 || ! ieee_write_byte (abfd, ieee_function_either_open_b_enum)
3391 || ! ieee_write_int (abfd, abfd->start_address)
3392 || ! ieee_write_byte (abfd, ieee_function_either_close_b_enum))
3393 return FALSE;
3395 ieee->w.r.me_record = bfd_tell (abfd);
3396 if (! ieee_write_byte (abfd, ieee_module_end_enum))
3397 return FALSE;
3398 return TRUE;
3401 /* Write out the IEEE processor ID. */
3403 static bfd_boolean
3404 ieee_write_processor (bfd *abfd)
3406 const bfd_arch_info_type *arch;
3408 arch = bfd_get_arch_info (abfd);
3409 switch (arch->arch)
3411 default:
3412 if (! ieee_write_id (abfd, bfd_printable_name (abfd)))
3413 return FALSE;
3414 break;
3416 case bfd_arch_h8300:
3417 if (! ieee_write_id (abfd, "H8/300"))
3418 return FALSE;
3419 break;
3421 case bfd_arch_h8500:
3422 if (! ieee_write_id (abfd, "H8/500"))
3423 return FALSE;
3424 break;
3426 case bfd_arch_i960:
3427 switch (arch->mach)
3429 default:
3430 case bfd_mach_i960_core:
3431 case bfd_mach_i960_ka_sa:
3432 if (! ieee_write_id (abfd, "80960KA"))
3433 return FALSE;
3434 break;
3436 case bfd_mach_i960_kb_sb:
3437 if (! ieee_write_id (abfd, "80960KB"))
3438 return FALSE;
3439 break;
3441 case bfd_mach_i960_ca:
3442 if (! ieee_write_id (abfd, "80960CA"))
3443 return FALSE;
3444 break;
3446 case bfd_mach_i960_mc:
3447 case bfd_mach_i960_xa:
3448 if (! ieee_write_id (abfd, "80960MC"))
3449 return FALSE;
3450 break;
3452 break;
3454 case bfd_arch_m68k:
3456 const char *id;
3458 switch (arch->mach)
3460 default: id = "68020"; break;
3461 case bfd_mach_m68000: id = "68000"; break;
3462 case bfd_mach_m68008: id = "68008"; break;
3463 case bfd_mach_m68010: id = "68010"; break;
3464 case bfd_mach_m68020: id = "68020"; break;
3465 case bfd_mach_m68030: id = "68030"; break;
3466 case bfd_mach_m68040: id = "68040"; break;
3467 case bfd_mach_m68060: id = "68060"; break;
3468 case bfd_mach_cpu32: id = "cpu32"; break;
3469 case bfd_mach_mcf5200:id = "5200"; break;
3470 case bfd_mach_mcf5206e:id = "5206e"; break;
3471 case bfd_mach_mcf5307:id = "5307"; break;
3472 case bfd_mach_mcf5407:id = "5407"; break;
3473 case bfd_mach_mcf528x:id = "5282"; break;
3476 if (! ieee_write_id (abfd, id))
3477 return FALSE;
3479 break;
3482 return TRUE;
3485 static bfd_boolean
3486 ieee_write_object_contents (bfd *abfd)
3488 ieee_data_type *ieee = IEEE_DATA (abfd);
3489 unsigned int i;
3490 file_ptr old;
3492 /* Fast forward over the header area. */
3493 if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
3494 return FALSE;
3496 if (! ieee_write_byte (abfd, ieee_module_beginning_enum)
3497 || ! ieee_write_processor (abfd)
3498 || ! ieee_write_id (abfd, abfd->filename))
3499 return FALSE;
3501 /* Fast forward over the variable bits. */
3502 if (! ieee_write_byte (abfd, ieee_address_descriptor_enum))
3503 return FALSE;
3505 /* Bits per MAU. */
3506 if (! ieee_write_byte (abfd, (bfd_byte) (bfd_arch_bits_per_byte (abfd))))
3507 return FALSE;
3508 /* MAU's per address. */
3509 if (! ieee_write_byte (abfd,
3510 (bfd_byte) (bfd_arch_bits_per_address (abfd)
3511 / bfd_arch_bits_per_byte (abfd))))
3512 return FALSE;
3514 old = bfd_tell (abfd);
3515 if (bfd_seek (abfd, (file_ptr) (8 * N_W_VARIABLES), SEEK_CUR) != 0)
3516 return FALSE;
3518 ieee->w.r.extension_record = bfd_tell (abfd);
3519 if (bfd_bwrite ((char *) exten, (bfd_size_type) sizeof (exten), abfd)
3520 != sizeof (exten))
3521 return FALSE;
3522 if (abfd->flags & EXEC_P)
3524 if (! ieee_write_byte (abfd, 0x1)) /* Absolute. */
3525 return FALSE;
3527 else
3529 if (! ieee_write_byte (abfd, 0x2)) /* Relocateable. */
3530 return FALSE;
3533 ieee->w.r.environmental_record = bfd_tell (abfd);
3534 if (bfd_bwrite ((char *) envi, (bfd_size_type) sizeof (envi), abfd)
3535 != sizeof (envi))
3536 return FALSE;
3538 /* The HP emulator database requires a timestamp in the file. */
3540 time_t now;
3541 const struct tm *t;
3543 time (&now);
3544 t = (struct tm *) localtime (&now);
3545 if (! ieee_write_2bytes (abfd, (int) ieee_atn_record_enum)
3546 || ! ieee_write_byte (abfd, 0x21)
3547 || ! ieee_write_byte (abfd, 0)
3548 || ! ieee_write_byte (abfd, 50)
3549 || ! ieee_write_int (abfd, (bfd_vma) (t->tm_year + 1900))
3550 || ! ieee_write_int (abfd, (bfd_vma) (t->tm_mon + 1))
3551 || ! ieee_write_int (abfd, (bfd_vma) t->tm_mday)
3552 || ! ieee_write_int (abfd, (bfd_vma) t->tm_hour)
3553 || ! ieee_write_int (abfd, (bfd_vma) t->tm_min)
3554 || ! ieee_write_int (abfd, (bfd_vma) t->tm_sec))
3555 return FALSE;
3558 output_bfd = abfd;
3560 flush ();
3562 if (! ieee_write_section_part (abfd))
3563 return FALSE;
3564 /* First write the symbols. This changes their values into table
3565 indeces so we cant use it after this point. */
3566 if (! ieee_write_external_part (abfd))
3567 return FALSE;
3569 /* Write any debugs we have been told about. */
3570 if (! ieee_write_debug_part (abfd))
3571 return FALSE;
3573 /* Can only write the data once the symbols have been written, since
3574 the data contains relocation information which points to the
3575 symbols. */
3576 if (! ieee_write_data_part (abfd))
3577 return FALSE;
3579 /* At the end we put the end! */
3580 if (! ieee_write_me_part (abfd))
3581 return FALSE;
3583 /* Generate the header. */
3584 if (bfd_seek (abfd, old, SEEK_SET) != 0)
3585 return FALSE;
3587 for (i = 0; i < N_W_VARIABLES; i++)
3589 if (! ieee_write_2bytes (abfd, ieee_assign_value_to_variable_enum)
3590 || ! ieee_write_byte (abfd, (bfd_byte) i)
3591 || ! ieee_write_int5_out (abfd, (bfd_vma) ieee->w.offset[i]))
3592 return FALSE;
3595 return TRUE;
3598 /* Native-level interface to symbols. */
3600 /* We read the symbols into a buffer, which is discarded when this
3601 function exits. We read the strings into a buffer large enough to
3602 hold them all plus all the cached symbol entries. */
3604 static asymbol *
3605 ieee_make_empty_symbol (bfd *abfd)
3607 bfd_size_type amt = sizeof (ieee_symbol_type);
3608 ieee_symbol_type *new = bfd_zalloc (abfd, amt);
3610 if (!new)
3611 return NULL;
3612 new->symbol.the_bfd = abfd;
3613 return &new->symbol;
3616 static bfd *
3617 ieee_openr_next_archived_file (bfd *arch, bfd *prev)
3619 ieee_ar_data_type *ar = IEEE_AR_DATA (arch);
3621 /* Take the next one from the arch state, or reset. */
3622 if (prev == (bfd *) NULL)
3623 /* Reset the index - the first two entries are bogus. */
3624 ar->element_index = 2;
3626 while (TRUE)
3628 ieee_ar_obstack_type *p = ar->elements + ar->element_index;
3630 ar->element_index++;
3631 if (ar->element_index <= ar->element_count)
3633 if (p->file_offset != (file_ptr) 0)
3635 if (p->abfd == (bfd *) NULL)
3637 p->abfd = _bfd_create_empty_archive_element_shell (arch);
3638 p->abfd->origin = p->file_offset;
3640 return p->abfd;
3643 else
3645 bfd_set_error (bfd_error_no_more_archived_files);
3646 return NULL;
3651 static bfd_boolean
3652 ieee_find_nearest_line (bfd *abfd ATTRIBUTE_UNUSED,
3653 asection *section ATTRIBUTE_UNUSED,
3654 asymbol **symbols ATTRIBUTE_UNUSED,
3655 bfd_vma offset ATTRIBUTE_UNUSED,
3656 const char **filename_ptr ATTRIBUTE_UNUSED,
3657 const char **functionname_ptr ATTRIBUTE_UNUSED,
3658 unsigned int *line_ptr ATTRIBUTE_UNUSED)
3660 return FALSE;
3663 static bfd_boolean
3664 ieee_find_inliner_info (bfd *abfd ATTRIBUTE_UNUSED,
3665 const char **filename_ptr ATTRIBUTE_UNUSED,
3666 const char **functionname_ptr ATTRIBUTE_UNUSED,
3667 unsigned int *line_ptr ATTRIBUTE_UNUSED)
3669 return FALSE;
3672 static int
3673 ieee_generic_stat_arch_elt (bfd *abfd, struct stat *buf)
3675 ieee_ar_data_type *ar = (ieee_ar_data_type *) NULL;
3676 ieee_data_type *ieee;
3678 if (abfd->my_archive != NULL)
3679 ar = abfd->my_archive->tdata.ieee_ar_data;
3680 if (ar == (ieee_ar_data_type *) NULL)
3682 bfd_set_error (bfd_error_invalid_operation);
3683 return -1;
3686 if (IEEE_DATA (abfd) == NULL)
3688 if (ieee_object_p (abfd) == NULL)
3690 bfd_set_error (bfd_error_wrong_format);
3691 return -1;
3695 ieee = IEEE_DATA (abfd);
3697 buf->st_size = ieee->w.r.me_record + 1;
3698 buf->st_mode = 0644;
3699 return 0;
3702 static int
3703 ieee_sizeof_headers (bfd *abfd ATTRIBUTE_UNUSED,
3704 bfd_boolean x ATTRIBUTE_UNUSED)
3706 return 0;
3709 #define ieee_close_and_cleanup _bfd_generic_close_and_cleanup
3710 #define ieee_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
3712 #define ieee_slurp_armap bfd_true
3713 #define ieee_slurp_extended_name_table bfd_true
3714 #define ieee_construct_extended_name_table \
3715 ((bfd_boolean (*) \
3716 (bfd *, char **, bfd_size_type *, const char **)) \
3717 bfd_true)
3718 #define ieee_truncate_arname bfd_dont_truncate_arname
3719 #define ieee_write_armap \
3720 ((bfd_boolean (*) \
3721 (bfd *, unsigned int, struct orl *, unsigned int, int)) \
3722 bfd_true)
3723 #define ieee_read_ar_hdr bfd_nullvoidptr
3724 #define ieee_update_armap_timestamp bfd_true
3725 #define ieee_get_elt_at_index _bfd_generic_get_elt_at_index
3727 #define ieee_bfd_is_target_special_symbol \
3728 ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
3729 #define ieee_bfd_is_local_label_name bfd_generic_is_local_label_name
3730 #define ieee_get_lineno _bfd_nosymbols_get_lineno
3731 #define ieee_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
3732 #define ieee_read_minisymbols _bfd_generic_read_minisymbols
3733 #define ieee_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
3735 #define ieee_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup
3737 #define ieee_set_arch_mach _bfd_generic_set_arch_mach
3739 #define ieee_get_section_contents_in_window \
3740 _bfd_generic_get_section_contents_in_window
3741 #define ieee_bfd_get_relocated_section_contents \
3742 bfd_generic_get_relocated_section_contents
3743 #define ieee_bfd_relax_section bfd_generic_relax_section
3744 #define ieee_bfd_gc_sections bfd_generic_gc_sections
3745 #define ieee_bfd_merge_sections bfd_generic_merge_sections
3746 #define ieee_bfd_is_group_section bfd_generic_is_group_section
3747 #define ieee_bfd_discard_group bfd_generic_discard_group
3748 #define ieee_section_already_linked \
3749 _bfd_generic_section_already_linked
3750 #define ieee_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
3751 #define ieee_bfd_link_hash_table_free _bfd_generic_link_hash_table_free
3752 #define ieee_bfd_link_add_symbols _bfd_generic_link_add_symbols
3753 #define ieee_bfd_link_just_syms _bfd_generic_link_just_syms
3754 #define ieee_bfd_final_link _bfd_generic_final_link
3755 #define ieee_bfd_link_split_section _bfd_generic_link_split_section
3757 const bfd_target ieee_vec =
3759 "ieee", /* Name. */
3760 bfd_target_ieee_flavour,
3761 BFD_ENDIAN_UNKNOWN, /* Target byte order. */
3762 BFD_ENDIAN_UNKNOWN, /* Target headers byte order. */
3763 (HAS_RELOC | EXEC_P | /* Object flags. */
3764 HAS_LINENO | HAS_DEBUG |
3765 HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
3766 (SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS
3767 | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* Section flags. */
3768 '_', /* Leading underscore. */
3769 ' ', /* AR_pad_char. */
3770 16, /* AR_max_namelen. */
3771 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
3772 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
3773 bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Data. */
3774 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
3775 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
3776 bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Headers. */
3778 {_bfd_dummy_target,
3779 ieee_object_p, /* bfd_check_format. */
3780 ieee_archive_p,
3781 _bfd_dummy_target,
3784 bfd_false,
3785 ieee_mkobject,
3786 _bfd_generic_mkarchive,
3787 bfd_false
3790 bfd_false,
3791 ieee_write_object_contents,
3792 _bfd_write_archive_contents,
3793 bfd_false,
3796 /* ieee_close_and_cleanup, ieee_bfd_free_cached_info, ieee_new_section_hook,
3797 ieee_get_section_contents, ieee_get_section_contents_in_window. */
3798 BFD_JUMP_TABLE_GENERIC (ieee),
3800 BFD_JUMP_TABLE_COPY (_bfd_generic),
3801 BFD_JUMP_TABLE_CORE (_bfd_nocore),
3803 /* ieee_slurp_armap, ieee_slurp_extended_name_table,
3804 ieee_construct_extended_name_table, ieee_truncate_arname,
3805 ieee_write_armap, ieee_read_ar_hdr, ieee_openr_next_archived_file,
3806 ieee_get_elt_at_index, ieee_generic_stat_arch_elt,
3807 ieee_update_armap_timestamp. */
3808 BFD_JUMP_TABLE_ARCHIVE (ieee),
3810 /* ieee_get_symtab_upper_bound, ieee_canonicalize_symtab,
3811 ieee_make_empty_symbol, ieee_print_symbol, ieee_get_symbol_info,
3812 ieee_bfd_is_local_label_name, ieee_get_lineno,
3813 ieee_find_nearest_line, ieee_bfd_make_debug_symbol,
3814 ieee_read_minisymbols, ieee_minisymbol_to_symbol. */
3815 BFD_JUMP_TABLE_SYMBOLS (ieee),
3817 /* ieee_get_reloc_upper_bound, ieee_canonicalize_reloc,
3818 ieee_bfd_reloc_type_lookup. */
3819 BFD_JUMP_TABLE_RELOCS (ieee),
3821 /* ieee_set_arch_mach, ieee_set_section_contents. */
3822 BFD_JUMP_TABLE_WRITE (ieee),
3824 /* ieee_sizeof_headers, ieee_bfd_get_relocated_section_contents,
3825 ieee_bfd_relax_section, ieee_bfd_link_hash_table_create,
3826 _bfd_generic_link_hash_table_free,
3827 ieee_bfd_link_add_symbols, ieee_bfd_final_link,
3828 ieee_bfd_link_split_section, ieee_bfd_gc_sections,
3829 ieee_bfd_merge_sections. */
3830 BFD_JUMP_TABLE_LINK (ieee),
3832 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
3834 NULL,
3836 NULL