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2000-11-15 Kazu Hirata <kazu@hxi.com>
[deliverable/binutils-gdb.git] / bfd / coff-tic80.c
CommitLineData
252b5132 1/* BFD back-end for Texas Instruments TMS320C80 Multimedia Video Processor (MVP).
5f771d47 2 Copyright 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
252b5132
RH		 3
4 Written by Fred Fish (fnf@cygnus.com)
5
6 There is nothing new under the sun. This file draws a lot on other
7 coff files.
8
9This file is part of BFD, the Binary File Descriptor library.
10
11This program is free software; you can redistribute it and/or modify
12it under the terms of the GNU General Public License as published by
13the Free Software Foundation; either version 2 of the License, or
14(at your option) any later version.
15
16This program is distributed in the hope that it will be useful,
17but WITHOUT ANY WARRANTY; without even the implied warranty of
18MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19GNU General Public License for more details.
20
21You should have received a copy of the GNU General Public License
22along with this program; if not, write to the Free Software
23Foundation, 59 Temple Place - Suite 330,
24Boston, MA 02111-1307, USA. */
25
26#include "bfd.h"
27#include "bfdlink.h"
28#include "sysdep.h"
29#include "libbfd.h"
30#include "coff/tic80.h"
31#include "coff/internal.h"
32#include "libcoff.h"
33
34#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (2)
35#define COFF_ALIGN_IN_SECTION_HEADER 1
36#define COFF_ALIGN_IN_SFLAGS 1
37
38#define GET_SCNHDR_FLAGS bfd_h_get_16
39#define PUT_SCNHDR_FLAGS bfd_h_put_16
40
41static void rtype2howto
42 PARAMS ((arelent *cache_ptr, struct internal_reloc *dst));
43static bfd_reloc_status_type ppbase_reloc
44 PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
45static bfd_reloc_status_type glob15_reloc
46 PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
47static bfd_reloc_status_type glob16_reloc
48 PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
49static bfd_reloc_status_type local16_reloc
50 PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
51static boolean coff_tic80_relocate_section
52 PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
53 struct internal_reloc *, struct internal_syment *, asection **));
54
55static reloc_howto_type tic80_howto_table[] =
56{
57
58 HOWTO (R_RELLONG, /* type */
59 0, /* rightshift */
60 2, /* size (0 = byte, 1 = short, 2 = long) */
61 32, /* bitsize */
62 false, /* pc_relative */
63 0, /* bitpos */
64 complain_overflow_bitfield, /* complain_on_overflow */
65 NULL, /* special_function */
66 "RELLONG", /* name */
67 true, /* partial_inplace */
68 0xffffffff, /* src_mask */
69 0xffffffff, /* dst_mask */
70 false), /* pcrel_offset */
71
72 HOWTO (R_MPPCR, /* type */
73 2, /* rightshift */
74 2, /* size (0 = byte, 1 = short, 2 = long) */
75 32, /* bitsize */
76 true, /* pc_relative */
77 0, /* bitpos */
78 complain_overflow_signed, /* complain_on_overflow */
79 NULL, /* special_function */
80 "MPPCR", /* name */
81 true, /* partial_inplace */
82 0xffffffff, /* src_mask */
83 0xffffffff, /* dst_mask */
84 true), /* pcrel_offset */
85
86 HOWTO (R_ABS, /* type */
87 0, /* rightshift */
88 2, /* size (0 = byte, 1 = short, 2 = long) */
89 32, /* bitsize */
90 false, /* pc_relative */
91 0, /* bitpos */
92 complain_overflow_bitfield, /* complain_on_overflow */
93 NULL, /* special_function */
94 "ABS", /* name */
95 true, /* partial_inplace */
96 0xffffffff, /* src_mask */
97 0xffffffff, /* dst_mask */
98 false), /* pcrel_offset */
99
100 HOWTO (R_PPBASE, /* type */
101 0, /* rightshift */
102 2, /* size (0 = byte, 1 = short, 2 = long) */
103 32, /* bitsize */
104 false, /* pc_relative */
105 0, /* bitpos */
106 complain_overflow_dont, /* complain_on_overflow */
107 ppbase_reloc, /* special_function */
108 "PPBASE", /* name */
109 true, /* partial_inplace */
110 0xffffffff, /* src_mask */
111 0xffffffff, /* dst_mask */
112 false), /* pcrel_offset */
113
114 HOWTO (R_PPLBASE, /* type */
115 0, /* rightshift */
116 2, /* size (0 = byte, 1 = short, 2 = long) */
117 32, /* bitsize */
118 false, /* pc_relative */
119 0, /* bitpos */
120 complain_overflow_dont, /* complain_on_overflow */
121 ppbase_reloc, /* special_function */
122 "PPLBASE", /* name */
123 true, /* partial_inplace */
124 0xffffffff, /* src_mask */
125 0xffffffff, /* dst_mask */
126 false), /* pcrel_offset */
127
128 HOWTO (R_PP15, /* type */
129 0, /* rightshift */
130 2, /* size (0 = byte, 1 = short, 2 = long) */
131 15, /* bitsize */
132 false, /* pc_relative */
133 6, /* bitpos */
134 complain_overflow_dont, /* complain_on_overflow */
135 glob15_reloc, /* special_function */
136 "PP15", /* name */
137 true, /* partial_inplace */
138 0x1ffc0, /* src_mask */
139 0x1ffc0, /* dst_mask */
140 false), /* pcrel_offset */
141
142 HOWTO (R_PP15W, /* type */
143 2, /* rightshift */
144 2, /* size (0 = byte, 1 = short, 2 = long) */
145 15, /* bitsize */
146 false, /* pc_relative */
147 6, /* bitpos */
148 complain_overflow_dont, /* complain_on_overflow */
149 glob15_reloc, /* special_function */
150 "PP15W", /* name */
151 true, /* partial_inplace */
152 0x1ffc0, /* src_mask */
153 0x1ffc0, /* dst_mask */
154 false), /* pcrel_offset */
155
156 HOWTO (R_PP15H, /* type */
157 1, /* rightshift */
158 2, /* size (0 = byte, 1 = short, 2 = long) */
159 15, /* bitsize */
160 false, /* pc_relative */
161 6, /* bitpos */
162 complain_overflow_dont, /* complain_on_overflow */
163 glob15_reloc, /* special_function */
164 "PP15H", /* name */
165 true, /* partial_inplace */
166 0x1ffc0, /* src_mask */
167 0x1ffc0, /* dst_mask */
168 false), /* pcrel_offset */
169
170 HOWTO (R_PP16B, /* type */
171 0, /* rightshift */
172 2, /* size (0 = byte, 1 = short, 2 = long) */
173 16, /* bitsize */
174 false, /* pc_relative */
175 6, /* bitpos */
176 complain_overflow_dont, /* complain_on_overflow */
177 glob16_reloc, /* special_function */
178 "PP16B", /* name */
179 true, /* partial_inplace */
180 0x3ffc0, /* src_mask */
181 0x3ffc0, /* dst_mask */
182 false), /* pcrel_offset */
183
184 HOWTO (R_PPL15, /* type */
185 0, /* rightshift */
186 2, /* size (0 = byte, 1 = short, 2 = long) */
187 15, /* bitsize */
188 false, /* pc_relative */
189 0, /* bitpos */
190 complain_overflow_dont, /* complain_on_overflow */
191 NULL, /* special_function */
192 "PPL15", /* name */
193 true, /* partial_inplace */
194 0x7fff, /* src_mask */
195 0x7fff, /* dst_mask */
196 false), /* pcrel_offset */
197
198 HOWTO (R_PPL15W, /* type */
199 2, /* rightshift */
200 2, /* size (0 = byte, 1 = short, 2 = long) */
201 15, /* bitsize */
202 false, /* pc_relative */
203 0, /* bitpos */
204 complain_overflow_dont, /* complain_on_overflow */
205 NULL, /* special_function */
206 "PPL15W", /* name */
207 true, /* partial_inplace */
208 0x7fff, /* src_mask */
209 0x7fff, /* dst_mask */
210 false), /* pcrel_offset */
211
212 HOWTO (R_PPL15H, /* type */
213 1, /* rightshift */
214 2, /* size (0 = byte, 1 = short, 2 = long) */
215 15, /* bitsize */
216 false, /* pc_relative */
217 0, /* bitpos */
218 complain_overflow_dont, /* complain_on_overflow */
219 NULL, /* special_function */
220 "PPL15H", /* name */
221 true, /* partial_inplace */
222 0x7fff, /* src_mask */
223 0x7fff, /* dst_mask */
224 false), /* pcrel_offset */
225
226 HOWTO (R_PPL16B, /* type */
227 0, /* rightshift */
228 2, /* size (0 = byte, 1 = short, 2 = long) */
229 16, /* bitsize */
230 false, /* pc_relative */
231 0, /* bitpos */
232 complain_overflow_dont, /* complain_on_overflow */
233 local16_reloc, /* special_function */
234 "PPL16B", /* name */
235 true, /* partial_inplace */
236 0xffff, /* src_mask */
237 0xffff, /* dst_mask */
238 false), /* pcrel_offset */
239
240 HOWTO (R_PPN15, /* type */
241 0, /* rightshift */
242 -2, /* size (0 = byte, 1 = short, 2 = long) */
243 15, /* bitsize */
244 false, /* pc_relative */
245 6, /* bitpos */
246 complain_overflow_dont, /* complain_on_overflow */
247 glob15_reloc, /* special_function */
248 "PPN15", /* name */
249 true, /* partial_inplace */
250 0x1ffc0, /* src_mask */
251 0x1ffc0, /* dst_mask */
252 false), /* pcrel_offset */
253
254 HOWTO (R_PPN15W, /* type */
255 2, /* rightshift */
256 -2, /* size (0 = byte, 1 = short, 2 = long) */
257 15, /* bitsize */
258 false, /* pc_relative */
259 6, /* bitpos */
260 complain_overflow_dont, /* complain_on_overflow */
261 glob15_reloc, /* special_function */
262 "PPN15W", /* name */
263 true, /* partial_inplace */
264 0x1ffc0, /* src_mask */
265 0x1ffc0, /* dst_mask */
266 false), /* pcrel_offset */
267
268 HOWTO (R_PPN15H, /* type */
269 1, /* rightshift */
270 -2, /* size (0 = byte, 1 = short, 2 = long) */
271 15, /* bitsize */
272 false, /* pc_relative */
273 6, /* bitpos */
274 complain_overflow_dont, /* complain_on_overflow */
275 glob15_reloc, /* special_function */
276 "PPN15H", /* name */
277 true, /* partial_inplace */
278 0x1ffc0, /* src_mask */
279 0x1ffc0, /* dst_mask */
280 false), /* pcrel_offset */
281
282 HOWTO (R_PPN16B, /* type */
283 0, /* rightshift */
284 -2, /* size (0 = byte, 1 = short, 2 = long) */
285 16, /* bitsize */
286 false, /* pc_relative */
287 6, /* bitpos */
288 complain_overflow_dont, /* complain_on_overflow */
289 glob16_reloc, /* special_function */
290 "PPN16B", /* name */
291 true, /* partial_inplace */
292 0x3ffc0, /* src_mask */
293 0x3ffc0, /* dst_mask */
294 false), /* pcrel_offset */
295
296 HOWTO (R_PPLN15, /* type */
297 0, /* rightshift */
298 -2, /* size (0 = byte, 1 = short, 2 = long) */
299 15, /* bitsize */
300 false, /* pc_relative */
301 0, /* bitpos */
302 complain_overflow_dont, /* complain_on_overflow */
303 NULL, /* special_function */
304 "PPLN15", /* name */
305 true, /* partial_inplace */
306 0x7fff, /* src_mask */
307 0x7fff, /* dst_mask */
308 false), /* pcrel_offset */
309
310 HOWTO (R_PPLN15W, /* type */
311 2, /* rightshift */
312 -2, /* size (0 = byte, 1 = short, 2 = long) */
313 15, /* bitsize */
314 false, /* pc_relative */
315 0, /* bitpos */
316 complain_overflow_dont, /* complain_on_overflow */
317 NULL, /* special_function */
318 "PPLN15W", /* name */
319 true, /* partial_inplace */
320 0x7fff, /* src_mask */
321 0x7fff, /* dst_mask */
322 false), /* pcrel_offset */
323
324 HOWTO (R_PPLN15H, /* type */
325 1, /* rightshift */
326 -2, /* size (0 = byte, 1 = short, 2 = long) */
327 15, /* bitsize */
328 false, /* pc_relative */
329 0, /* bitpos */
330 complain_overflow_dont, /* complain_on_overflow */
331 NULL, /* special_function */
332 "PPLN15H", /* name */
333 true, /* partial_inplace */
334 0x7fff, /* src_mask */
335 0x7fff, /* dst_mask */
336 false), /* pcrel_offset */
337
338 HOWTO (R_PPLN16B, /* type */
339 0, /* rightshift */
340 -2, /* size (0 = byte, 1 = short, 2 = long) */
341 15, /* bitsize */
342 false, /* pc_relative */
343 0, /* bitpos */
344 complain_overflow_dont, /* complain_on_overflow */
345 local16_reloc, /* special_function */
346 "PPLN16B", /* name */
347 true, /* partial_inplace */
348 0xffff, /* src_mask */
349 0xffff, /* dst_mask */
350 false) /* pcrel_offset */
351};
352\f
353/* Special relocation functions, used when the output file is not
354 itself a COFF TIc80 file. */
355
356/* This special function is used for the base address type
357 relocations. */
358
359static bfd_reloc_status_type
360ppbase_reloc (abfd, reloc_entry, symbol_in, data, input_section, output_bfd,
361 error_message)
5f771d47
ILT		 362 bfd *abfd ATTRIBUTE_UNUSED;
363 arelent *reloc_entry ATTRIBUTE_UNUSED;
364 asymbol *symbol_in ATTRIBUTE_UNUSED;
365 PTR data ATTRIBUTE_UNUSED;
366 asection *input_section ATTRIBUTE_UNUSED;
367 bfd *output_bfd ATTRIBUTE_UNUSED;
368 char **error_message ATTRIBUTE_UNUSED;
252b5132
RH		 369{
370 /* FIXME. */
371 abort ();
372}
373
374/* This special function is used for the global 15 bit relocations. */
375
376static bfd_reloc_status_type
377glob15_reloc (abfd, reloc_entry, symbol_in, data, input_section, output_bfd,
378 error_message)
5f771d47
ILT		 379 bfd *abfd ATTRIBUTE_UNUSED;
380 arelent *reloc_entry ATTRIBUTE_UNUSED;
381 asymbol *symbol_in ATTRIBUTE_UNUSED;
382 PTR data ATTRIBUTE_UNUSED;
383 asection *input_section ATTRIBUTE_UNUSED;
384 bfd *output_bfd ATTRIBUTE_UNUSED;
385 char **error_message ATTRIBUTE_UNUSED;
252b5132
RH		 386{
387 /* FIXME. */
388 abort ();
389}
390
391/* This special function is used for the global 16 bit relocations. */
392
393static bfd_reloc_status_type
394glob16_reloc (abfd, reloc_entry, symbol_in, data, input_section, output_bfd,
395 error_message)
5f771d47
ILT		 396 bfd *abfd ATTRIBUTE_UNUSED;
397 arelent *reloc_entry ATTRIBUTE_UNUSED;
398 asymbol *symbol_in ATTRIBUTE_UNUSED;
399 PTR data ATTRIBUTE_UNUSED;
400 asection *input_section ATTRIBUTE_UNUSED;
401 bfd *output_bfd ATTRIBUTE_UNUSED;
402 char **error_message ATTRIBUTE_UNUSED;
252b5132
RH		 403{
404 /* FIXME. */
405 abort ();
406}
407
408/* This special function is used for the local 16 bit relocations. */
409
410static bfd_reloc_status_type
411local16_reloc (abfd, reloc_entry, symbol_in, data, input_section, output_bfd,
412 error_message)
5f771d47
ILT		 413 bfd *abfd ATTRIBUTE_UNUSED;
414 arelent *reloc_entry ATTRIBUTE_UNUSED;
415 asymbol *symbol_in ATTRIBUTE_UNUSED;
416 PTR data ATTRIBUTE_UNUSED;
417 asection *input_section ATTRIBUTE_UNUSED;
418 bfd *output_bfd ATTRIBUTE_UNUSED;
419 char **error_message ATTRIBUTE_UNUSED;
252b5132
RH		 420{
421 /* FIXME. */
422 abort ();
423}
424\f
425/* Code to turn an external r_type into a pointer to an entry in the howto_table.
426 If passed an r_type we don't recognize the abort rather than silently failing
cbfe05c4 427 to generate an output file. */
252b5132
RH		 428
429static void
430rtype2howto (cache_ptr, dst)
431 arelent *cache_ptr;
432 struct internal_reloc *dst;
433{
434 unsigned int i;
435
436 for (i = 0; i < sizeof tic80_howto_table / sizeof tic80_howto_table[0]; i++)
437 {
438 if (tic80_howto_table[i].type == dst->r_type)
439 {
440 cache_ptr->howto = tic80_howto_table + i;
441 return;
442 }
443 }
444
445 (*_bfd_error_handler) (_("Unrecognized reloc type 0x%x"),
446 (unsigned int) dst->r_type);
447 cache_ptr->howto = tic80_howto_table + 0;
448}
449
450#define RTYPE2HOWTO(cache_ptr, dst) rtype2howto (cache_ptr, dst)
451#define coff_rtype_to_howto coff_tic80_rtype_to_howto
452
453static reloc_howto_type *
454coff_tic80_rtype_to_howto (abfd, sec, rel, h, sym, addendp)
5f771d47 455 bfd *abfd ATTRIBUTE_UNUSED;
252b5132
RH		 456 asection *sec;
457 struct internal_reloc *rel;
5f771d47
ILT		 458 struct coff_link_hash_entry *h ATTRIBUTE_UNUSED;
459 struct internal_syment *sym ATTRIBUTE_UNUSED;
252b5132
RH		 460 bfd_vma *addendp;
461{
462 arelent genrel;
463
464 if (rel -> r_symndx == -1 && addendp != NULL)
465 {
466 /* This is a TI "internal relocation", which means that the relocation
467 amount is the amount by which the current section is being relocated
cbfe05c4 468 in the output section. */
252b5132
RH		 469 *addendp = (sec -> output_section -> vma + sec -> output_offset) - sec -> vma;
470 }
471 RTYPE2HOWTO (&genrel, rel);
472 return genrel.howto;
473}
474
475#ifndef BADMAG
476#define BADMAG(x) TIC80BADMAG(x)
477#endif
478\f
479#define coff_relocate_section coff_tic80_relocate_section
480
481/* We need a special relocation routine to handle the PP relocs. Most
482 of this is a copy of _bfd_coff_generic_relocate_section. */
483
484static boolean
485coff_tic80_relocate_section (output_bfd, info, input_bfd,
486 input_section, contents, relocs, syms,
487 sections)
488 bfd *output_bfd;
489 struct bfd_link_info *info;
490 bfd *input_bfd;
491 asection *input_section;
492 bfd_byte *contents;
493 struct internal_reloc *relocs;
494 struct internal_syment *syms;
495 asection **sections;
496{
497 struct internal_reloc *rel;
498 struct internal_reloc *relend;
499
500 rel = relocs;
501 relend = rel + input_section->reloc_count;
502 for (; rel < relend; rel++)
503 {
504 long symndx;
505 struct coff_link_hash_entry *h;
506 struct internal_syment *sym;
507 bfd_vma addend;
508 bfd_vma val;
509 reloc_howto_type *howto;
510 bfd_reloc_status_type rstat;
511 bfd_vma addr;
512
513 symndx = rel->r_symndx;
514
515 if (symndx == -1)
516 {
517 h = NULL;
518 sym = NULL;
519 }
520 else
cbfe05c4 521 {
252b5132
RH		 522 h = obj_coff_sym_hashes (input_bfd)[symndx];
523 sym = syms + symndx;
524 }
525
526 /* COFF treats common symbols in one of two ways. Either the
527 size of the symbol is included in the section contents, or it
528 is not. We assume that the size is not included, and force
529 the rtype_to_howto function to adjust the addend as needed. */
530
531 if (sym != NULL && sym->n_scnum != 0)
532 addend = - sym->n_value;
533 else
534 addend = 0;
535
536 howto = bfd_coff_rtype_to_howto (input_bfd, input_section, rel, h,
537 sym, &addend);
538 if (howto == NULL)
539 return false;
540
541 val = 0;
542
543 if (h == NULL)
544 {
545 asection *sec;
546
547 if (symndx == -1)
548 {
549 sec = bfd_abs_section_ptr;
550 val = 0;
551 }
552 else
553 {
554 sec = sections[symndx];
555 val = (sec->output_section->vma
556 + sec->output_offset
557 + sym->n_value);
558 if (! obj_pe (output_bfd))
559 val -= sec->vma;
560 }
561 }
562 else
563 {
564 if (h->root.type == bfd_link_hash_defined
565 || h->root.type == bfd_link_hash_defweak)
566 {
567 asection *sec;
568
569 sec = h->root.u.def.section;
570 val = (h->root.u.def.value
571 + sec->output_section->vma
572 + sec->output_offset);
573 }
574
575 else if (! info->relocateable)
576 {
577 if (! ((*info->callbacks->undefined_symbol)
578 (info, h->root.root.string, input_bfd, input_section,
5cc7c785 579 rel->r_vaddr - input_section->vma, true)))
252b5132
RH		 580 return false;
581 }
582 }
583
584 addr = rel->r_vaddr - input_section->vma;
585
586 /* FIXME: This code assumes little endian, but the PP can
587 apparently be bi-endian. I don't know if the bi-endianness
588 applies to the instruction set or just to the data. */
589 switch (howto->type)
590 {
591 default:
592 case R_ABS:
593 case R_RELLONGX:
594 case R_PPL15:
595 case R_PPL15W:
596 case R_PPL15H:
597 case R_PPLN15:
598 case R_PPLN15W:
599 case R_PPLN15H:
600 rstat = _bfd_final_link_relocate (howto, input_bfd, input_section,
601 contents, addr, val, addend);
602 break;
603
604 case R_PP15:
605 case R_PP15W:
606 case R_PP15H:
607 case R_PPN15:
608 case R_PPN15W:
609 case R_PPN15H:
610 /* Offset the address so that we can use 4 byte relocations. */
611 rstat = _bfd_final_link_relocate (howto, input_bfd, input_section,
612 contents + 2, addr, val, addend);
613 break;
614
615 case R_PP16B:
616 case R_PPN16B:
617 {
618 /* The most significant bit is stored in bit 6. */
619 bfd_byte hold;
620
621 hold = contents[addr + 4];
622 contents[addr + 4] &=~ 0x20;
623 contents[addr + 4] |= (contents[addr] >> 1) & 0x20;
624 rstat = _bfd_final_link_relocate (howto, input_bfd, input_section,
625 contents + 2, addr,
626 val, addend);
627 contents[addr] &=~ 0x40;
628 contents[addr] |= (contents[addr + 4] << 1) & 0x40;
629 contents[addr + 4] &=~ 0x20;
630 contents[addr + 4] |= hold & 0x20;
631 break;
632 }
633
634 case R_PPL16B:
635 case R_PPLN16B:
636 {
637 /* The most significant bit is stored in bit 28. */
638 bfd_byte hold;
639
640 hold = contents[addr + 1];
641 contents[addr + 1] &=~ 0x80;
642 contents[addr + 1] |= (contents[addr + 3] << 3) & 0x80;
643 rstat = _bfd_final_link_relocate (howto, input_bfd, input_section,
644 contents, addr,
645 val, addend);
646 contents[addr + 3] &= ~0x10;
647 contents[addr + 3] |= (contents[addr + 1] >> 3) & 0x10;
648 contents[addr + 1] &=~ 0x80;
649 contents[addr + 1] |= hold & 0x80;
650 break;
651 }
cbfe05c4 652
252b5132
RH		 653 case R_PPBASE:
654 /* Parameter RAM is from 0x1000000 to 0x1000800. */
655 contents[addr] &=~ 0x3;
656 if (val >= 0x1000000 && val < 0x1000800)
657 contents[addr] |= 0x3;
658 else
659 contents[addr] |= 0x2;
660 rstat = bfd_reloc_ok;
661 break;
662
663 case R_PPLBASE:
664 /* Parameter RAM is from 0x1000000 to 0x1000800. */
665 contents[addr + 2] &= ~0xc0;
666 if (val >= 0x1000000 && val < 0x1000800)
667 contents[addr + 2] |= 0xc0;
668 else
669 contents[addr + 2] |= 0x80;
670 rstat = bfd_reloc_ok;
671 break;
672 }
673
674 switch (rstat)
675 {
676 default:
677 abort ();
678 case bfd_reloc_ok:
679 break;
680 case bfd_reloc_outofrange:
681 (*_bfd_error_handler)
682 (_("%s: bad reloc address 0x%lx in section `%s'"),
683 bfd_get_filename (input_bfd),
684 (unsigned long) rel->r_vaddr,
685 bfd_get_section_name (input_bfd, input_section));
686 return false;
687 case bfd_reloc_overflow:
688 {
689 const char *name;
690 char buf[SYMNMLEN + 1];
691
692 if (symndx == -1)
693 name = "*ABS*";
694 else if (h != NULL)
695 name = h->root.root.string;
696 else
697 {
698 name = _bfd_coff_internal_syment_name (input_bfd, sym, buf);
699 if (name == NULL)
700 return false;
701 }
702
703 if (! ((*info->callbacks->reloc_overflow)
704 (info, name, howto->name, (bfd_vma) 0, input_bfd,
705 input_section, rel->r_vaddr - input_section->vma)))
706 return false;
707 }
708 }
709 }
710 return true;
711}
712\f
713#define TIC80COFF 1 /* Customize coffcode.h */
714#undef C_AUTOARG /* Clashes with TIc80's C_UEXT */
715#undef C_LASTENT /* Clashes with TIc80's C_STATLAB */
716#include "coffcode.h"
717
c3c89269 718CREATE_LITTLE_COFF_TARGET_VEC (tic80coff_vec, "coff-tic80", D_PAGED, 0, '_', NULL)
GDB Binutils - Deliverables
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