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* elf32-tic6x.c (elf32_tic6x_check_relocs): Initialize pc_count field.
[deliverable/binutils-gdb.git] / bfd / elf32-tic6x.c
1 /* 32-bit ELF support for TI C6X
2 Copyright 2010, 2011
3 Free Software Foundation, Inc.
4 Contributed by Joseph Myers <joseph@codesourcery.com>
5 Bernd Schmidt <bernds@codesourcery.com>
6
7 This file is part of BFD, the Binary File Descriptor library.
8
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
13
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
18
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
22 MA 02110-1301, USA. */
23
24 #include "sysdep.h"
25 #include "bfd.h"
26 #include "libbfd.h"
27 #include "libiberty.h"
28 #include "elf-bfd.h"
29 #include "elf/tic6x.h"
30 #include "elf32-tic6x.h"
31
32 #define ELF_DYNAMIC_INTERPRETER "/lib/ld-uClibc.so.0"
33
34 /* DSBT binaries have a default 128K stack. */
35 #define DEFAULT_STACK_SIZE 0x20000
36
37 /* The size in bytes of an entry in the procedure linkage table. */
38 #define PLT_ENTRY_SIZE 24
39
40 /* TI C6X ELF linker hash table. */
41
42 struct elf32_tic6x_link_hash_table
43 {
44 struct elf_link_hash_table elf;
45
46 /* Short-cuts to get to dynamic linker sections. */
47 asection *sdynbss;
48 asection *srelbss;
49
50 /* C6X specific command line arguments. */
51 struct elf32_tic6x_params params;
52
53 /* Small local sym cache. */
54 struct sym_cache sym_cache;
55
56 /* The output BFD, for convenience. */
57 bfd *obfd;
58
59 /* The .dsbt section. */
60 asection *dsbt;
61 };
62
63 /* Get the TI C6X ELF linker hash table from a link_info structure. */
64
65 #define elf32_tic6x_hash_table(p) \
66 ((struct elf32_tic6x_link_hash_table *) ((p)->hash))
67
68 /* TI C6X ELF linker hash entry. */
69
70 struct elf32_tic6x_link_hash_entry
71 {
72 struct elf_link_hash_entry elf;
73
74 /* Track dynamic relocs copied for this symbol. */
75 struct elf_dyn_relocs *dyn_relocs;
76 };
77
78 struct elf32_tic6x_obj_tdata
79 {
80 struct elf_obj_tdata root;
81
82 /* Whether to use RELA relocations when generating relocations.
83 This is a per-object flag to allow the assembler to generate REL
84 relocations for use in linker testcases. */
85 bfd_boolean use_rela_p;
86 };
87
88 #define elf32_tic6x_tdata(abfd) \
89 ((struct elf32_tic6x_obj_tdata *) (abfd)->tdata.any)
90
91 #define is_tic6x_elf(bfd) \
92 (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
93 && elf_tdata (bfd) != NULL \
94 && elf_object_id (bfd) == TIC6X_ELF_DATA)
95
96 /* C6X ELF uses two common sections. One is the usual one, and the
97 other is for small objects. All the small objects are kept
98 together, and then referenced via the gp pointer, which yields
99 faster assembler code. This is what we use for the small common
100 section. This approach is copied from ecoff.c. */
101 static asection tic6x_elf_scom_section;
102 static asymbol tic6x_elf_scom_symbol;
103 static asymbol *tic6x_elf_scom_symbol_ptr;
104
105 static reloc_howto_type elf32_tic6x_howto_table[] =
106 {
107 HOWTO (R_C6000_NONE, /* type */
108 0, /* rightshift */
109 0, /* size (0 = byte, 1 = short, 2 = long) */
110 0, /* bitsize */
111 FALSE, /* pc_relative */
112 0, /* bitpos */
113 complain_overflow_dont,/* complain_on_overflow */
114 bfd_elf_generic_reloc, /* special_function */
115 "R_C6000_NONE", /* name */
116 FALSE, /* partial_inplace */
117 0, /* src_mask */
118 0, /* dst_mask */
119 FALSE), /* pcrel_offset */
120 HOWTO (R_C6000_ABS32, /* type */
121 0, /* rightshift */
122 2, /* size (0 = byte, 1 = short, 2 = long) */
123 32, /* bitsize */
124 FALSE, /* pc_relative */
125 0, /* bitpos */
126 complain_overflow_dont,/* complain_on_overflow */
127 bfd_elf_generic_reloc, /* special_function */
128 "R_C6000_ABS32", /* name */
129 FALSE, /* partial_inplace */
130 0, /* src_mask */
131 0xffffffff, /* dst_mask */
132 FALSE), /* pcrel_offset */
133 HOWTO (R_C6000_ABS16, /* type */
134 0, /* rightshift */
135 1, /* size (0 = byte, 1 = short, 2 = long) */
136 16, /* bitsize */
137 FALSE, /* pc_relative */
138 0, /* bitpos */
139 complain_overflow_bitfield,/* complain_on_overflow */
140 bfd_elf_generic_reloc, /* special_function */
141 "R_C6000_ABS16", /* name */
142 FALSE, /* partial_inplace */
143 0, /* src_mask */
144 0x0000ffff, /* dst_mask */
145 FALSE), /* pcrel_offset */
146 HOWTO (R_C6000_ABS8, /* type */
147 0, /* rightshift */
148 0, /* size (0 = byte, 1 = short, 2 = long) */
149 8, /* bitsize */
150 FALSE, /* pc_relative */
151 0, /* bitpos */
152 complain_overflow_bitfield,/* complain_on_overflow */
153 bfd_elf_generic_reloc, /* special_function */
154 "R_C6000_ABS8", /* name */
155 FALSE, /* partial_inplace */
156 0, /* src_mask */
157 0x000000ff, /* dst_mask */
158 FALSE), /* pcrel_offset */
159 HOWTO (R_C6000_PCR_S21, /* type */
160 2, /* rightshift */
161 2, /* size (0 = byte, 1 = short, 2 = long) */
162 21, /* bitsize */
163 TRUE, /* pc_relative */
164 7, /* bitpos */
165 complain_overflow_signed,/* complain_on_overflow */
166 bfd_elf_generic_reloc, /* special_function */
167 "R_C6000_PCR_S21", /* name */
168 FALSE, /* partial_inplace */
169 0, /* src_mask */
170 0x0fffff80, /* dst_mask */
171 TRUE), /* pcrel_offset */
172 HOWTO (R_C6000_PCR_S12, /* type */
173 2, /* rightshift */
174 2, /* size (0 = byte, 1 = short, 2 = long) */
175 12, /* bitsize */
176 TRUE, /* pc_relative */
177 16, /* bitpos */
178 complain_overflow_signed,/* complain_on_overflow */
179 bfd_elf_generic_reloc, /* special_function */
180 "R_C6000_PCR_S12", /* name */
181 FALSE, /* partial_inplace */
182 0, /* src_mask */
183 0x0fff0000, /* dst_mask */
184 TRUE), /* pcrel_offset */
185 HOWTO (R_C6000_PCR_S10, /* type */
186 2, /* rightshift */
187 2, /* size (0 = byte, 1 = short, 2 = long) */
188 10, /* bitsize */
189 TRUE, /* pc_relative */
190 13, /* bitpos */
191 complain_overflow_signed,/* complain_on_overflow */
192 bfd_elf_generic_reloc, /* special_function */
193 "R_C6000_PCR_S10", /* name */
194 FALSE, /* partial_inplace */
195 0, /* src_mask */
196 0x007fe000, /* dst_mask */
197 TRUE), /* pcrel_offset */
198 HOWTO (R_C6000_PCR_S7, /* type */
199 2, /* rightshift */
200 2, /* size (0 = byte, 1 = short, 2 = long) */
201 7, /* bitsize */
202 TRUE, /* pc_relative */
203 16, /* bitpos */
204 complain_overflow_signed,/* complain_on_overflow */
205 bfd_elf_generic_reloc, /* special_function */
206 "R_C6000_PCR_S7", /* name */
207 FALSE, /* partial_inplace */
208 0, /* src_mask */
209 0x007f0000, /* dst_mask */
210 TRUE), /* pcrel_offset */
211 HOWTO (R_C6000_ABS_S16, /* type */
212 0, /* rightshift */
213 2, /* size (0 = byte, 1 = short, 2 = long) */
214 16, /* bitsize */
215 FALSE, /* pc_relative */
216 7, /* bitpos */
217 complain_overflow_signed,/* complain_on_overflow */
218 bfd_elf_generic_reloc, /* special_function */
219 "R_C6000_ABS_S16", /* name */
220 FALSE, /* partial_inplace */
221 0, /* src_mask */
222 0x007fff80, /* dst_mask */
223 FALSE), /* pcrel_offset */
224 HOWTO (R_C6000_ABS_L16, /* type */
225 0, /* rightshift */
226 2, /* size (0 = byte, 1 = short, 2 = long) */
227 16, /* bitsize */
228 FALSE, /* pc_relative */
229 7, /* bitpos */
230 complain_overflow_dont,/* complain_on_overflow */
231 bfd_elf_generic_reloc, /* special_function */
232 "R_C6000_ABS_L16", /* name */
233 FALSE, /* partial_inplace */
234 0, /* src_mask */
235 0x007fff80, /* dst_mask */
236 FALSE), /* pcrel_offset */
237 HOWTO (R_C6000_ABS_H16, /* type */
238 16, /* rightshift */
239 2, /* size (0 = byte, 1 = short, 2 = long) */
240 16, /* bitsize */
241 FALSE, /* pc_relative */
242 7, /* bitpos */
243 complain_overflow_dont,/* complain_on_overflow */
244 bfd_elf_generic_reloc, /* special_function */
245 "R_C6000_ABS_H16", /* name */
246 FALSE, /* partial_inplace */
247 0, /* src_mask */
248 0x007fff80, /* dst_mask */
249 FALSE), /* pcrel_offset */
250 HOWTO (R_C6000_SBR_U15_B, /* type */
251 0, /* rightshift */
252 2, /* size (0 = byte, 1 = short, 2 = long) */
253 15, /* bitsize */
254 FALSE, /* pc_relative */
255 8, /* bitpos */
256 complain_overflow_unsigned,/* complain_on_overflow */
257 bfd_elf_generic_reloc, /* special_function */
258 "R_C6000_SBR_U15_B", /* name */
259 FALSE, /* partial_inplace */
260 0, /* src_mask */
261 0x007fff00, /* dst_mask */
262 FALSE), /* pcrel_offset */
263 HOWTO (R_C6000_SBR_U15_H, /* type */
264 1, /* rightshift */
265 2, /* size (0 = byte, 1 = short, 2 = long) */
266 15, /* bitsize */
267 FALSE, /* pc_relative */
268 8, /* bitpos */
269 complain_overflow_unsigned,/* complain_on_overflow */
270 bfd_elf_generic_reloc, /* special_function */
271 "R_C6000_SBR_U15_H", /* name */
272 FALSE, /* partial_inplace */
273 0, /* src_mask */
274 0x007fff00, /* dst_mask */
275 FALSE), /* pcrel_offset */
276 HOWTO (R_C6000_SBR_U15_W, /* type */
277 2, /* rightshift */
278 2, /* size (0 = byte, 1 = short, 2 = long) */
279 15, /* bitsize */
280 FALSE, /* pc_relative */
281 8, /* bitpos */
282 complain_overflow_unsigned,/* complain_on_overflow */
283 bfd_elf_generic_reloc, /* special_function */
284 "R_C6000_SBR_U15_W", /* name */
285 FALSE, /* partial_inplace */
286 0, /* src_mask */
287 0x007fff00, /* dst_mask */
288 FALSE), /* pcrel_offset */
289 HOWTO (R_C6000_SBR_S16, /* type */
290 0, /* rightshift */
291 2, /* size (0 = byte, 1 = short, 2 = long) */
292 16, /* bitsize */
293 FALSE, /* pc_relative */
294 7, /* bitpos */
295 complain_overflow_signed,/* complain_on_overflow */
296 bfd_elf_generic_reloc, /* special_function */
297 "R_C6000_SBR_S16", /* name */
298 FALSE, /* partial_inplace */
299 0, /* src_mask */
300 0x007fff80, /* dst_mask */
301 FALSE), /* pcrel_offset */
302 HOWTO (R_C6000_SBR_L16_B, /* type */
303 0, /* rightshift */
304 2, /* size (0 = byte, 1 = short, 2 = long) */
305 16, /* bitsize */
306 FALSE, /* pc_relative */
307 7, /* bitpos */
308 complain_overflow_dont,/* complain_on_overflow */
309 bfd_elf_generic_reloc, /* special_function */
310 "R_C6000_SBR_L16_B", /* name */
311 FALSE, /* partial_inplace */
312 0, /* src_mask */
313 0x007fff80, /* dst_mask */
314 FALSE), /* pcrel_offset */
315 HOWTO (R_C6000_SBR_L16_H, /* type */
316 1, /* rightshift */
317 2, /* size (0 = byte, 1 = short, 2 = long) */
318 16, /* bitsize */
319 FALSE, /* pc_relative */
320 7, /* bitpos */
321 complain_overflow_dont,/* complain_on_overflow */
322 bfd_elf_generic_reloc, /* special_function */
323 "R_C6000_SBR_L16_H", /* name */
324 FALSE, /* partial_inplace */
325 0, /* src_mask */
326 0x007fff80, /* dst_mask */
327 FALSE), /* pcrel_offset */
328 HOWTO (R_C6000_SBR_L16_W, /* type */
329 2, /* rightshift */
330 2, /* size (0 = byte, 1 = short, 2 = long) */
331 16, /* bitsize */
332 FALSE, /* pc_relative */
333 7, /* bitpos */
334 complain_overflow_dont,/* complain_on_overflow */
335 bfd_elf_generic_reloc, /* special_function */
336 "R_C6000_SBR_L16_W", /* name */
337 FALSE, /* partial_inplace */
338 0, /* src_mask */
339 0x007fff80, /* dst_mask */
340 FALSE), /* pcrel_offset */
341 HOWTO (R_C6000_SBR_H16_B, /* type */
342 16, /* rightshift */
343 2, /* size (0 = byte, 1 = short, 2 = long) */
344 16, /* bitsize */
345 FALSE, /* pc_relative */
346 7, /* bitpos */
347 complain_overflow_dont,/* complain_on_overflow */
348 bfd_elf_generic_reloc, /* special_function */
349 "R_C6000_SBR_H16_B", /* name */
350 FALSE, /* partial_inplace */
351 0, /* src_mask */
352 0x007fff80, /* dst_mask */
353 FALSE), /* pcrel_offset */
354 HOWTO (R_C6000_SBR_H16_H, /* type */
355 17, /* rightshift */
356 2, /* size (0 = byte, 1 = short, 2 = long) */
357 16, /* bitsize */
358 FALSE, /* pc_relative */
359 7, /* bitpos */
360 complain_overflow_dont,/* complain_on_overflow */
361 bfd_elf_generic_reloc, /* special_function */
362 "R_C6000_SBR_H16_H", /* name */
363 FALSE, /* partial_inplace */
364 0, /* src_mask */
365 0x007fff80, /* dst_mask */
366 FALSE), /* pcrel_offset */
367 HOWTO (R_C6000_SBR_H16_W, /* type */
368 18, /* rightshift */
369 2, /* size (0 = byte, 1 = short, 2 = long) */
370 16, /* bitsize */
371 FALSE, /* pc_relative */
372 7, /* bitpos */
373 complain_overflow_dont,/* complain_on_overflow */
374 bfd_elf_generic_reloc, /* special_function */
375 "R_C6000_SBR_H16_W", /* name */
376 FALSE, /* partial_inplace */
377 0, /* src_mask */
378 0x007fff80, /* dst_mask */
379 FALSE), /* pcrel_offset */
380 HOWTO (R_C6000_SBR_GOT_U15_W, /* type */
381 2, /* rightshift */
382 2, /* size (0 = byte, 1 = short, 2 = long) */
383 15, /* bitsize */
384 FALSE, /* pc_relative */
385 8, /* bitpos */
386 complain_overflow_unsigned,/* complain_on_overflow */
387 bfd_elf_generic_reloc, /* special_function */
388 "R_C6000_SBR_GOT_U15_W",/* name */
389 FALSE, /* partial_inplace */
390 0, /* src_mask */
391 0x007fff00, /* dst_mask */
392 FALSE), /* pcrel_offset */
393 HOWTO (R_C6000_SBR_GOT_L16_W, /* type */
394 2, /* rightshift */
395 2, /* size (0 = byte, 1 = short, 2 = long) */
396 16, /* bitsize */
397 FALSE, /* pc_relative */
398 7, /* bitpos */
399 complain_overflow_dont,/* complain_on_overflow */
400 bfd_elf_generic_reloc, /* special_function */
401 "R_C6000_SBR_GOT_L16_W",/* name */
402 FALSE, /* partial_inplace */
403 0, /* src_mask */
404 0x007fff80, /* dst_mask */
405 FALSE), /* pcrel_offset */
406 HOWTO (R_C6000_SBR_GOT_H16_W, /* type */
407 18, /* rightshift */
408 2, /* size (0 = byte, 1 = short, 2 = long) */
409 16, /* bitsize */
410 FALSE, /* pc_relative */
411 7, /* bitpos */
412 complain_overflow_dont,/* complain_on_overflow */
413 bfd_elf_generic_reloc, /* special_function */
414 "R_C6000_SBR_GOT_H16_W",/* name */
415 FALSE, /* partial_inplace */
416 0, /* src_mask */
417 0x007fff80, /* dst_mask */
418 FALSE), /* pcrel_offset */
419 HOWTO (R_C6000_DSBT_INDEX, /* type */
420 0, /* rightshift */
421 2, /* size (0 = byte, 1 = short, 2 = long) */
422 15, /* bitsize */
423 FALSE, /* pc_relative */
424 8, /* bitpos */
425 complain_overflow_unsigned,/* complain_on_overflow */
426 bfd_elf_generic_reloc, /* special_function */
427 "R_C6000_DSBT_INDEX", /* name */
428 FALSE, /* partial_inplace */
429 0, /* src_mask */
430 0x007fff00, /* dst_mask */
431 FALSE), /* pcrel_offset */
432 HOWTO (R_C6000_PREL31, /* type */
433 1, /* rightshift */
434 2, /* size (0 = byte, 1 = short, 2 = long) */
435 31, /* bitsize */
436 TRUE, /* pc_relative */
437 0, /* bitpos */
438 complain_overflow_dont,/* complain_on_overflow */
439 bfd_elf_generic_reloc, /* special_function */
440 "R_C6000_PREL31", /* name */
441 FALSE, /* partial_inplace */
442 0, /* src_mask */
443 0x7fffffff, /* dst_mask */
444 TRUE), /* pcrel_offset */
445 HOWTO (R_C6000_COPY, /* type */
446 0, /* rightshift */
447 2, /* size (0 = byte, 1 = short, 2 = long) */
448 32, /* bitsize */
449 FALSE, /* pc_relative */
450 0, /* bitpos */
451 complain_overflow_dont,/* complain_on_overflow */
452 bfd_elf_generic_reloc, /* special_function */
453 "R_C6000_COPY", /* name */
454 FALSE, /* partial_inplace */
455 0, /* src_mask */
456 0xffffffff, /* dst_mask */
457 FALSE), /* pcrel_offset */
458 HOWTO (R_C6000_JUMP_SLOT, /* type */
459 0, /* rightshift */
460 2, /* size (0 = byte, 1 = short, 2 = long) */
461 32, /* bitsize */
462 FALSE, /* pc_relative */
463 0, /* bitpos */
464 complain_overflow_dont,/* complain_on_overflow */
465 bfd_elf_generic_reloc, /* special_function */
466 "R_C6000_JUMP_SLOT", /* name */
467 FALSE, /* partial_inplace */
468 0, /* src_mask */
469 0xffffffff, /* dst_mask */
470 FALSE), /* pcrel_offset */
471 EMPTY_HOWTO (28),
472 EMPTY_HOWTO (29),
473 EMPTY_HOWTO (30),
474 EMPTY_HOWTO (31),
475 EMPTY_HOWTO (32),
476 EMPTY_HOWTO (33),
477 EMPTY_HOWTO (34),
478 EMPTY_HOWTO (35),
479 EMPTY_HOWTO (36),
480 EMPTY_HOWTO (37),
481 EMPTY_HOWTO (38),
482 EMPTY_HOWTO (39),
483 EMPTY_HOWTO (40),
484 EMPTY_HOWTO (41),
485 EMPTY_HOWTO (42),
486 EMPTY_HOWTO (43),
487 EMPTY_HOWTO (44),
488 EMPTY_HOWTO (45),
489 EMPTY_HOWTO (46),
490 EMPTY_HOWTO (47),
491 EMPTY_HOWTO (48),
492 EMPTY_HOWTO (49),
493 EMPTY_HOWTO (50),
494 EMPTY_HOWTO (51),
495 EMPTY_HOWTO (52),
496 EMPTY_HOWTO (53),
497 EMPTY_HOWTO (54),
498 EMPTY_HOWTO (55),
499 EMPTY_HOWTO (56),
500 EMPTY_HOWTO (57),
501 EMPTY_HOWTO (58),
502 EMPTY_HOWTO (59),
503 EMPTY_HOWTO (60),
504 EMPTY_HOWTO (61),
505 EMPTY_HOWTO (62),
506 EMPTY_HOWTO (63),
507 EMPTY_HOWTO (64),
508 EMPTY_HOWTO (65),
509 EMPTY_HOWTO (66),
510 EMPTY_HOWTO (67),
511 EMPTY_HOWTO (68),
512 EMPTY_HOWTO (69),
513 EMPTY_HOWTO (70),
514 EMPTY_HOWTO (71),
515 EMPTY_HOWTO (72),
516 EMPTY_HOWTO (73),
517 EMPTY_HOWTO (74),
518 EMPTY_HOWTO (75),
519 EMPTY_HOWTO (76),
520 EMPTY_HOWTO (77),
521 EMPTY_HOWTO (78),
522 EMPTY_HOWTO (79),
523 EMPTY_HOWTO (80),
524 EMPTY_HOWTO (81),
525 EMPTY_HOWTO (82),
526 EMPTY_HOWTO (83),
527 EMPTY_HOWTO (84),
528 EMPTY_HOWTO (85),
529 EMPTY_HOWTO (86),
530 EMPTY_HOWTO (87),
531 EMPTY_HOWTO (88),
532 EMPTY_HOWTO (89),
533 EMPTY_HOWTO (90),
534 EMPTY_HOWTO (91),
535 EMPTY_HOWTO (92),
536 EMPTY_HOWTO (93),
537 EMPTY_HOWTO (94),
538 EMPTY_HOWTO (95),
539 EMPTY_HOWTO (96),
540 EMPTY_HOWTO (97),
541 EMPTY_HOWTO (98),
542 EMPTY_HOWTO (99),
543 EMPTY_HOWTO (100),
544 EMPTY_HOWTO (101),
545 EMPTY_HOWTO (102),
546 EMPTY_HOWTO (103),
547 EMPTY_HOWTO (104),
548 EMPTY_HOWTO (105),
549 EMPTY_HOWTO (106),
550 EMPTY_HOWTO (107),
551 EMPTY_HOWTO (108),
552 EMPTY_HOWTO (109),
553 EMPTY_HOWTO (110),
554 EMPTY_HOWTO (111),
555 EMPTY_HOWTO (112),
556 EMPTY_HOWTO (113),
557 EMPTY_HOWTO (114),
558 EMPTY_HOWTO (115),
559 EMPTY_HOWTO (116),
560 EMPTY_HOWTO (117),
561 EMPTY_HOWTO (118),
562 EMPTY_HOWTO (119),
563 EMPTY_HOWTO (120),
564 EMPTY_HOWTO (121),
565 EMPTY_HOWTO (122),
566 EMPTY_HOWTO (123),
567 EMPTY_HOWTO (124),
568 EMPTY_HOWTO (125),
569 EMPTY_HOWTO (126),
570 EMPTY_HOWTO (127),
571 EMPTY_HOWTO (128),
572 EMPTY_HOWTO (129),
573 EMPTY_HOWTO (130),
574 EMPTY_HOWTO (131),
575 EMPTY_HOWTO (132),
576 EMPTY_HOWTO (133),
577 EMPTY_HOWTO (134),
578 EMPTY_HOWTO (135),
579 EMPTY_HOWTO (136),
580 EMPTY_HOWTO (137),
581 EMPTY_HOWTO (138),
582 EMPTY_HOWTO (139),
583 EMPTY_HOWTO (140),
584 EMPTY_HOWTO (141),
585 EMPTY_HOWTO (142),
586 EMPTY_HOWTO (143),
587 EMPTY_HOWTO (144),
588 EMPTY_HOWTO (145),
589 EMPTY_HOWTO (146),
590 EMPTY_HOWTO (147),
591 EMPTY_HOWTO (148),
592 EMPTY_HOWTO (149),
593 EMPTY_HOWTO (150),
594 EMPTY_HOWTO (151),
595 EMPTY_HOWTO (152),
596 EMPTY_HOWTO (153),
597 EMPTY_HOWTO (154),
598 EMPTY_HOWTO (155),
599 EMPTY_HOWTO (156),
600 EMPTY_HOWTO (157),
601 EMPTY_HOWTO (158),
602 EMPTY_HOWTO (159),
603 EMPTY_HOWTO (160),
604 EMPTY_HOWTO (161),
605 EMPTY_HOWTO (162),
606 EMPTY_HOWTO (163),
607 EMPTY_HOWTO (164),
608 EMPTY_HOWTO (165),
609 EMPTY_HOWTO (166),
610 EMPTY_HOWTO (167),
611 EMPTY_HOWTO (168),
612 EMPTY_HOWTO (169),
613 EMPTY_HOWTO (170),
614 EMPTY_HOWTO (171),
615 EMPTY_HOWTO (172),
616 EMPTY_HOWTO (173),
617 EMPTY_HOWTO (174),
618 EMPTY_HOWTO (175),
619 EMPTY_HOWTO (176),
620 EMPTY_HOWTO (177),
621 EMPTY_HOWTO (178),
622 EMPTY_HOWTO (179),
623 EMPTY_HOWTO (180),
624 EMPTY_HOWTO (181),
625 EMPTY_HOWTO (182),
626 EMPTY_HOWTO (183),
627 EMPTY_HOWTO (184),
628 EMPTY_HOWTO (185),
629 EMPTY_HOWTO (186),
630 EMPTY_HOWTO (187),
631 EMPTY_HOWTO (188),
632 EMPTY_HOWTO (189),
633 EMPTY_HOWTO (190),
634 EMPTY_HOWTO (191),
635 EMPTY_HOWTO (192),
636 EMPTY_HOWTO (193),
637 EMPTY_HOWTO (194),
638 EMPTY_HOWTO (195),
639 EMPTY_HOWTO (196),
640 EMPTY_HOWTO (197),
641 EMPTY_HOWTO (198),
642 EMPTY_HOWTO (199),
643 EMPTY_HOWTO (200),
644 EMPTY_HOWTO (201),
645 EMPTY_HOWTO (202),
646 EMPTY_HOWTO (203),
647 EMPTY_HOWTO (204),
648 EMPTY_HOWTO (205),
649 EMPTY_HOWTO (206),
650 EMPTY_HOWTO (207),
651 EMPTY_HOWTO (208),
652 EMPTY_HOWTO (209),
653 EMPTY_HOWTO (210),
654 EMPTY_HOWTO (211),
655 EMPTY_HOWTO (212),
656 EMPTY_HOWTO (213),
657 EMPTY_HOWTO (214),
658 EMPTY_HOWTO (215),
659 EMPTY_HOWTO (216),
660 EMPTY_HOWTO (217),
661 EMPTY_HOWTO (218),
662 EMPTY_HOWTO (219),
663 EMPTY_HOWTO (220),
664 EMPTY_HOWTO (221),
665 EMPTY_HOWTO (222),
666 EMPTY_HOWTO (223),
667 EMPTY_HOWTO (224),
668 EMPTY_HOWTO (225),
669 EMPTY_HOWTO (226),
670 EMPTY_HOWTO (227),
671 EMPTY_HOWTO (228),
672 EMPTY_HOWTO (229),
673 EMPTY_HOWTO (230),
674 EMPTY_HOWTO (231),
675 EMPTY_HOWTO (232),
676 EMPTY_HOWTO (233),
677 EMPTY_HOWTO (234),
678 EMPTY_HOWTO (235),
679 EMPTY_HOWTO (236),
680 EMPTY_HOWTO (237),
681 EMPTY_HOWTO (238),
682 EMPTY_HOWTO (239),
683 EMPTY_HOWTO (240),
684 EMPTY_HOWTO (241),
685 EMPTY_HOWTO (242),
686 EMPTY_HOWTO (243),
687 EMPTY_HOWTO (244),
688 EMPTY_HOWTO (245),
689 EMPTY_HOWTO (246),
690 EMPTY_HOWTO (247),
691 EMPTY_HOWTO (248),
692 EMPTY_HOWTO (249),
693 EMPTY_HOWTO (250),
694 EMPTY_HOWTO (251),
695 EMPTY_HOWTO (252),
696 HOWTO (R_C6000_ALIGN, /* type */
697 0, /* rightshift */
698 0, /* size (0 = byte, 1 = short, 2 = long) */
699 0, /* bitsize */
700 FALSE, /* pc_relative */
701 0, /* bitpos */
702 complain_overflow_dont,/* complain_on_overflow */
703 bfd_elf_generic_reloc, /* special_function */
704 "R_C6000_ALIGN", /* name */
705 FALSE, /* partial_inplace */
706 0, /* src_mask */
707 0, /* dst_mask */
708 FALSE), /* pcrel_offset */
709 HOWTO (R_C6000_FPHEAD, /* type */
710 0, /* rightshift */
711 0, /* size (0 = byte, 1 = short, 2 = long) */
712 0, /* bitsize */
713 FALSE, /* pc_relative */
714 0, /* bitpos */
715 complain_overflow_dont,/* complain_on_overflow */
716 bfd_elf_generic_reloc, /* special_function */
717 "R_C6000_FPHEAD", /* name */
718 FALSE, /* partial_inplace */
719 0, /* src_mask */
720 0, /* dst_mask */
721 FALSE), /* pcrel_offset */
722 HOWTO (R_C6000_NOCMP, /* type */
723 0, /* rightshift */
724 0, /* size (0 = byte, 1 = short, 2 = long) */
725 0, /* bitsize */
726 FALSE, /* pc_relative */
727 0, /* bitpos */
728 complain_overflow_dont,/* complain_on_overflow */
729 bfd_elf_generic_reloc, /* special_function */
730 "R_C6000_NOCMP", /* name */
731 FALSE, /* partial_inplace */
732 0, /* src_mask */
733 0, /* dst_mask */
734 FALSE) /* pcrel_offset */
735 };
736
737 static reloc_howto_type elf32_tic6x_howto_table_rel[] =
738 {
739 HOWTO (R_C6000_NONE, /* type */
740 0, /* rightshift */
741 0, /* size (0 = byte, 1 = short, 2 = long) */
742 0, /* bitsize */
743 FALSE, /* pc_relative */
744 0, /* bitpos */
745 complain_overflow_dont,/* complain_on_overflow */
746 bfd_elf_generic_reloc, /* special_function */
747 "R_C6000_NONE", /* name */
748 TRUE, /* partial_inplace */
749 0, /* src_mask */
750 0, /* dst_mask */
751 FALSE), /* pcrel_offset */
752 HOWTO (R_C6000_ABS32, /* type */
753 0, /* rightshift */
754 2, /* size (0 = byte, 1 = short, 2 = long) */
755 32, /* bitsize */
756 FALSE, /* pc_relative */
757 0, /* bitpos */
758 complain_overflow_dont,/* complain_on_overflow */
759 bfd_elf_generic_reloc, /* special_function */
760 "R_C6000_ABS32", /* name */
761 TRUE, /* partial_inplace */
762 0xffffffff, /* src_mask */
763 0xffffffff, /* dst_mask */
764 FALSE), /* pcrel_offset */
765 HOWTO (R_C6000_ABS16, /* type */
766 0, /* rightshift */
767 1, /* size (0 = byte, 1 = short, 2 = long) */
768 16, /* bitsize */
769 FALSE, /* pc_relative */
770 0, /* bitpos */
771 complain_overflow_bitfield,/* complain_on_overflow */
772 bfd_elf_generic_reloc, /* special_function */
773 "R_C6000_ABS16", /* name */
774 TRUE, /* partial_inplace */
775 0x0000ffff, /* src_mask */
776 0x0000ffff, /* dst_mask */
777 FALSE), /* pcrel_offset */
778 HOWTO (R_C6000_ABS8, /* type */
779 0, /* rightshift */
780 0, /* size (0 = byte, 1 = short, 2 = long) */
781 8, /* bitsize */
782 FALSE, /* pc_relative */
783 0, /* bitpos */
784 complain_overflow_bitfield,/* complain_on_overflow */
785 bfd_elf_generic_reloc, /* special_function */
786 "R_C6000_ABS8", /* name */
787 TRUE, /* partial_inplace */
788 0x000000ff, /* src_mask */
789 0x000000ff, /* dst_mask */
790 FALSE), /* pcrel_offset */
791 HOWTO (R_C6000_PCR_S21, /* type */
792 2, /* rightshift */
793 2, /* size (0 = byte, 1 = short, 2 = long) */
794 21, /* bitsize */
795 TRUE, /* pc_relative */
796 7, /* bitpos */
797 complain_overflow_signed,/* complain_on_overflow */
798 bfd_elf_generic_reloc, /* special_function */
799 "R_C6000_PCR_S21", /* name */
800 TRUE, /* partial_inplace */
801 0x0fffff80, /* src_mask */
802 0x0fffff80, /* dst_mask */
803 TRUE), /* pcrel_offset */
804 HOWTO (R_C6000_PCR_S12, /* type */
805 2, /* rightshift */
806 2, /* size (0 = byte, 1 = short, 2 = long) */
807 12, /* bitsize */
808 TRUE, /* pc_relative */
809 16, /* bitpos */
810 complain_overflow_signed,/* complain_on_overflow */
811 bfd_elf_generic_reloc, /* special_function */
812 "R_C6000_PCR_S12", /* name */
813 TRUE, /* partial_inplace */
814 0x0fff0000, /* src_mask */
815 0x0fff0000, /* dst_mask */
816 TRUE), /* pcrel_offset */
817 HOWTO (R_C6000_PCR_S10, /* type */
818 2, /* rightshift */
819 2, /* size (0 = byte, 1 = short, 2 = long) */
820 10, /* bitsize */
821 TRUE, /* pc_relative */
822 13, /* bitpos */
823 complain_overflow_signed,/* complain_on_overflow */
824 bfd_elf_generic_reloc, /* special_function */
825 "R_C6000_PCR_S10", /* name */
826 TRUE, /* partial_inplace */
827 0x007fe000, /* src_mask */
828 0x007fe000, /* dst_mask */
829 TRUE), /* pcrel_offset */
830 HOWTO (R_C6000_PCR_S7, /* type */
831 2, /* rightshift */
832 2, /* size (0 = byte, 1 = short, 2 = long) */
833 7, /* bitsize */
834 TRUE, /* pc_relative */
835 16, /* bitpos */
836 complain_overflow_signed,/* complain_on_overflow */
837 bfd_elf_generic_reloc, /* special_function */
838 "R_C6000_PCR_S7", /* name */
839 TRUE, /* partial_inplace */
840 0x007f0000, /* src_mask */
841 0x007f0000, /* dst_mask */
842 TRUE), /* pcrel_offset */
843 HOWTO (R_C6000_ABS_S16, /* type */
844 0, /* rightshift */
845 2, /* size (0 = byte, 1 = short, 2 = long) */
846 16, /* bitsize */
847 FALSE, /* pc_relative */
848 7, /* bitpos */
849 complain_overflow_signed,/* complain_on_overflow */
850 bfd_elf_generic_reloc, /* special_function */
851 "R_C6000_ABS_S16", /* name */
852 TRUE, /* partial_inplace */
853 0x007fff80, /* src_mask */
854 0x007fff80, /* dst_mask */
855 FALSE), /* pcrel_offset */
856 HOWTO (R_C6000_ABS_L16, /* type */
857 0, /* rightshift */
858 2, /* size (0 = byte, 1 = short, 2 = long) */
859 16, /* bitsize */
860 FALSE, /* pc_relative */
861 7, /* bitpos */
862 complain_overflow_dont,/* complain_on_overflow */
863 bfd_elf_generic_reloc, /* special_function */
864 "R_C6000_ABS_L16", /* name */
865 TRUE, /* partial_inplace */
866 0x007fff80, /* src_mask */
867 0x007fff80, /* dst_mask */
868 FALSE), /* pcrel_offset */
869 EMPTY_HOWTO (R_C6000_ABS_H16),
870 HOWTO (R_C6000_SBR_U15_B, /* type */
871 0, /* rightshift */
872 2, /* size (0 = byte, 1 = short, 2 = long) */
873 15, /* bitsize */
874 FALSE, /* pc_relative */
875 8, /* bitpos */
876 complain_overflow_unsigned,/* complain_on_overflow */
877 bfd_elf_generic_reloc, /* special_function */
878 "R_C6000_SBR_U15_B", /* name */
879 TRUE, /* partial_inplace */
880 0x007fff00, /* src_mask */
881 0x007fff00, /* dst_mask */
882 FALSE), /* pcrel_offset */
883 HOWTO (R_C6000_SBR_U15_H, /* type */
884 1, /* rightshift */
885 2, /* size (0 = byte, 1 = short, 2 = long) */
886 15, /* bitsize */
887 FALSE, /* pc_relative */
888 8, /* bitpos */
889 complain_overflow_unsigned,/* complain_on_overflow */
890 bfd_elf_generic_reloc, /* special_function */
891 "R_C6000_SBR_U15_H", /* name */
892 TRUE, /* partial_inplace */
893 0x007fff00, /* src_mask */
894 0x007fff00, /* dst_mask */
895 FALSE), /* pcrel_offset */
896 HOWTO (R_C6000_SBR_U15_W, /* type */
897 2, /* rightshift */
898 2, /* size (0 = byte, 1 = short, 2 = long) */
899 15, /* bitsize */
900 FALSE, /* pc_relative */
901 8, /* bitpos */
902 complain_overflow_unsigned,/* complain_on_overflow */
903 bfd_elf_generic_reloc, /* special_function */
904 "R_C6000_SBR_U15_W", /* name */
905 TRUE, /* partial_inplace */
906 0x007fff00, /* src_mask */
907 0x007fff00, /* dst_mask */
908 FALSE), /* pcrel_offset */
909 HOWTO (R_C6000_SBR_S16, /* type */
910 0, /* rightshift */
911 2, /* size (0 = byte, 1 = short, 2 = long) */
912 16, /* bitsize */
913 FALSE, /* pc_relative */
914 7, /* bitpos */
915 complain_overflow_signed,/* complain_on_overflow */
916 bfd_elf_generic_reloc, /* special_function */
917 "R_C6000_SBR_S16", /* name */
918 TRUE, /* partial_inplace */
919 0x007fff80, /* src_mask */
920 0x007fff80, /* dst_mask */
921 FALSE), /* pcrel_offset */
922 HOWTO (R_C6000_SBR_L16_B, /* type */
923 0, /* rightshift */
924 2, /* size (0 = byte, 1 = short, 2 = long) */
925 16, /* bitsize */
926 FALSE, /* pc_relative */
927 7, /* bitpos */
928 complain_overflow_dont,/* complain_on_overflow */
929 bfd_elf_generic_reloc, /* special_function */
930 "R_C6000_SBR_L16_B", /* name */
931 TRUE, /* partial_inplace */
932 0x007fff80, /* src_mask */
933 0x007fff80, /* dst_mask */
934 FALSE), /* pcrel_offset */
935 HOWTO (R_C6000_SBR_L16_H, /* type */
936 1, /* rightshift */
937 2, /* size (0 = byte, 1 = short, 2 = long) */
938 16, /* bitsize */
939 FALSE, /* pc_relative */
940 7, /* bitpos */
941 complain_overflow_dont,/* complain_on_overflow */
942 bfd_elf_generic_reloc, /* special_function */
943 "R_C6000_SBR_L16_H", /* name */
944 TRUE, /* partial_inplace */
945 0x007fff80, /* src_mask */
946 0x007fff80, /* dst_mask */
947 FALSE), /* pcrel_offset */
948 HOWTO (R_C6000_SBR_L16_W, /* type */
949 2, /* rightshift */
950 2, /* size (0 = byte, 1 = short, 2 = long) */
951 16, /* bitsize */
952 FALSE, /* pc_relative */
953 7, /* bitpos */
954 complain_overflow_dont,/* complain_on_overflow */
955 bfd_elf_generic_reloc, /* special_function */
956 "R_C6000_SBR_L16_W", /* name */
957 TRUE, /* partial_inplace */
958 0x007fff80, /* src_mask */
959 0x007fff80, /* dst_mask */
960 FALSE), /* pcrel_offset */
961 EMPTY_HOWTO (R_C6000_SBR_H16_B),
962 EMPTY_HOWTO (R_C6000_SBR_H16_H),
963 EMPTY_HOWTO (R_C6000_SBR_H16_W),
964 HOWTO (R_C6000_SBR_GOT_U15_W, /* type */
965 2, /* rightshift */
966 2, /* size (0 = byte, 1 = short, 2 = long) */
967 15, /* bitsize */
968 FALSE, /* pc_relative */
969 8, /* bitpos */
970 complain_overflow_unsigned,/* complain_on_overflow */
971 bfd_elf_generic_reloc, /* special_function */
972 "R_C6000_SBR_GOT_U15_W",/* name */
973 TRUE, /* partial_inplace */
974 0x007fff00, /* src_mask */
975 0x007fff00, /* dst_mask */
976 FALSE), /* pcrel_offset */
977 HOWTO (R_C6000_SBR_GOT_L16_W, /* type */
978 2, /* rightshift */
979 2, /* size (0 = byte, 1 = short, 2 = long) */
980 16, /* bitsize */
981 FALSE, /* pc_relative */
982 7, /* bitpos */
983 complain_overflow_dont,/* complain_on_overflow */
984 bfd_elf_generic_reloc, /* special_function */
985 "R_C6000_SBR_GOT_L16_W",/* name */
986 TRUE, /* partial_inplace */
987 0x007fff80, /* src_mask */
988 0x007fff80, /* dst_mask */
989 FALSE), /* pcrel_offset */
990 EMPTY_HOWTO (R_C6000_SBR_GOT_H16_W),
991 HOWTO (R_C6000_DSBT_INDEX, /* type */
992 0, /* rightshift */
993 2, /* size (0 = byte, 1 = short, 2 = long) */
994 15, /* bitsize */
995 FALSE, /* pc_relative */
996 8, /* bitpos */
997 complain_overflow_unsigned,/* complain_on_overflow */
998 bfd_elf_generic_reloc, /* special_function */
999 "R_C6000_DSBT_INDEX", /* name */
1000 TRUE, /* partial_inplace */
1001 0, /* src_mask */
1002 0x007fff00, /* dst_mask */
1003 FALSE), /* pcrel_offset */
1004 HOWTO (R_C6000_PREL31, /* type */
1005 1, /* rightshift */
1006 2, /* size (0 = byte, 1 = short, 2 = long) */
1007 31, /* bitsize */
1008 TRUE, /* pc_relative */
1009 0, /* bitpos */
1010 complain_overflow_dont,/* complain_on_overflow */
1011 bfd_elf_generic_reloc, /* special_function */
1012 "R_C6000_PREL31", /* name */
1013 TRUE, /* partial_inplace */
1014 0, /* src_mask */
1015 0x7fffffff, /* dst_mask */
1016 TRUE), /* pcrel_offset */
1017 HOWTO (R_C6000_COPY, /* type */
1018 0, /* rightshift */
1019 2, /* size (0 = byte, 1 = short, 2 = long) */
1020 32, /* bitsize */
1021 FALSE, /* pc_relative */
1022 0, /* bitpos */
1023 complain_overflow_dont,/* complain_on_overflow */
1024 bfd_elf_generic_reloc, /* special_function */
1025 "R_C6000_COPY", /* name */
1026 TRUE, /* partial_inplace */
1027 0, /* src_mask */
1028 0xffffffff, /* dst_mask */
1029 FALSE), /* pcrel_offset */
1030 HOWTO (R_C6000_JUMP_SLOT, /* type */
1031 0, /* rightshift */
1032 2, /* size (0 = byte, 1 = short, 2 = long) */
1033 32, /* bitsize */
1034 FALSE, /* pc_relative */
1035 0, /* bitpos */
1036 complain_overflow_dont,/* complain_on_overflow */
1037 bfd_elf_generic_reloc, /* special_function */
1038 "R_C6000_JUMP_SLOT", /* name */
1039 FALSE, /* partial_inplace */
1040 0, /* src_mask */
1041 0xffffffff, /* dst_mask */
1042 FALSE), /* pcrel_offset */
1043 EMPTY_HOWTO (28),
1044 EMPTY_HOWTO (29),
1045 EMPTY_HOWTO (30),
1046 EMPTY_HOWTO (31),
1047 EMPTY_HOWTO (32),
1048 EMPTY_HOWTO (33),
1049 EMPTY_HOWTO (34),
1050 EMPTY_HOWTO (35),
1051 EMPTY_HOWTO (36),
1052 EMPTY_HOWTO (37),
1053 EMPTY_HOWTO (38),
1054 EMPTY_HOWTO (39),
1055 EMPTY_HOWTO (40),
1056 EMPTY_HOWTO (41),
1057 EMPTY_HOWTO (42),
1058 EMPTY_HOWTO (43),
1059 EMPTY_HOWTO (44),
1060 EMPTY_HOWTO (45),
1061 EMPTY_HOWTO (46),
1062 EMPTY_HOWTO (47),
1063 EMPTY_HOWTO (48),
1064 EMPTY_HOWTO (49),
1065 EMPTY_HOWTO (50),
1066 EMPTY_HOWTO (51),
1067 EMPTY_HOWTO (52),
1068 EMPTY_HOWTO (53),
1069 EMPTY_HOWTO (54),
1070 EMPTY_HOWTO (55),
1071 EMPTY_HOWTO (56),
1072 EMPTY_HOWTO (57),
1073 EMPTY_HOWTO (58),
1074 EMPTY_HOWTO (59),
1075 EMPTY_HOWTO (60),
1076 EMPTY_HOWTO (61),
1077 EMPTY_HOWTO (62),
1078 EMPTY_HOWTO (63),
1079 EMPTY_HOWTO (64),
1080 EMPTY_HOWTO (65),
1081 EMPTY_HOWTO (66),
1082 EMPTY_HOWTO (67),
1083 EMPTY_HOWTO (68),
1084 EMPTY_HOWTO (69),
1085 EMPTY_HOWTO (70),
1086 EMPTY_HOWTO (71),
1087 EMPTY_HOWTO (72),
1088 EMPTY_HOWTO (73),
1089 EMPTY_HOWTO (74),
1090 EMPTY_HOWTO (75),
1091 EMPTY_HOWTO (76),
1092 EMPTY_HOWTO (77),
1093 EMPTY_HOWTO (78),
1094 EMPTY_HOWTO (79),
1095 EMPTY_HOWTO (80),
1096 EMPTY_HOWTO (81),
1097 EMPTY_HOWTO (82),
1098 EMPTY_HOWTO (83),
1099 EMPTY_HOWTO (84),
1100 EMPTY_HOWTO (85),
1101 EMPTY_HOWTO (86),
1102 EMPTY_HOWTO (87),
1103 EMPTY_HOWTO (88),
1104 EMPTY_HOWTO (89),
1105 EMPTY_HOWTO (90),
1106 EMPTY_HOWTO (91),
1107 EMPTY_HOWTO (92),
1108 EMPTY_HOWTO (93),
1109 EMPTY_HOWTO (94),
1110 EMPTY_HOWTO (95),
1111 EMPTY_HOWTO (96),
1112 EMPTY_HOWTO (97),
1113 EMPTY_HOWTO (98),
1114 EMPTY_HOWTO (99),
1115 EMPTY_HOWTO (100),
1116 EMPTY_HOWTO (101),
1117 EMPTY_HOWTO (102),
1118 EMPTY_HOWTO (103),
1119 EMPTY_HOWTO (104),
1120 EMPTY_HOWTO (105),
1121 EMPTY_HOWTO (106),
1122 EMPTY_HOWTO (107),
1123 EMPTY_HOWTO (108),
1124 EMPTY_HOWTO (109),
1125 EMPTY_HOWTO (110),
1126 EMPTY_HOWTO (111),
1127 EMPTY_HOWTO (112),
1128 EMPTY_HOWTO (113),
1129 EMPTY_HOWTO (114),
1130 EMPTY_HOWTO (115),
1131 EMPTY_HOWTO (116),
1132 EMPTY_HOWTO (117),
1133 EMPTY_HOWTO (118),
1134 EMPTY_HOWTO (119),
1135 EMPTY_HOWTO (120),
1136 EMPTY_HOWTO (121),
1137 EMPTY_HOWTO (122),
1138 EMPTY_HOWTO (123),
1139 EMPTY_HOWTO (124),
1140 EMPTY_HOWTO (125),
1141 EMPTY_HOWTO (126),
1142 EMPTY_HOWTO (127),
1143 EMPTY_HOWTO (128),
1144 EMPTY_HOWTO (129),
1145 EMPTY_HOWTO (130),
1146 EMPTY_HOWTO (131),
1147 EMPTY_HOWTO (132),
1148 EMPTY_HOWTO (133),
1149 EMPTY_HOWTO (134),
1150 EMPTY_HOWTO (135),
1151 EMPTY_HOWTO (136),
1152 EMPTY_HOWTO (137),
1153 EMPTY_HOWTO (138),
1154 EMPTY_HOWTO (139),
1155 EMPTY_HOWTO (140),
1156 EMPTY_HOWTO (141),
1157 EMPTY_HOWTO (142),
1158 EMPTY_HOWTO (143),
1159 EMPTY_HOWTO (144),
1160 EMPTY_HOWTO (145),
1161 EMPTY_HOWTO (146),
1162 EMPTY_HOWTO (147),
1163 EMPTY_HOWTO (148),
1164 EMPTY_HOWTO (149),
1165 EMPTY_HOWTO (150),
1166 EMPTY_HOWTO (151),
1167 EMPTY_HOWTO (152),
1168 EMPTY_HOWTO (153),
1169 EMPTY_HOWTO (154),
1170 EMPTY_HOWTO (155),
1171 EMPTY_HOWTO (156),
1172 EMPTY_HOWTO (157),
1173 EMPTY_HOWTO (158),
1174 EMPTY_HOWTO (159),
1175 EMPTY_HOWTO (160),
1176 EMPTY_HOWTO (161),
1177 EMPTY_HOWTO (162),
1178 EMPTY_HOWTO (163),
1179 EMPTY_HOWTO (164),
1180 EMPTY_HOWTO (165),
1181 EMPTY_HOWTO (166),
1182 EMPTY_HOWTO (167),
1183 EMPTY_HOWTO (168),
1184 EMPTY_HOWTO (169),
1185 EMPTY_HOWTO (170),
1186 EMPTY_HOWTO (171),
1187 EMPTY_HOWTO (172),
1188 EMPTY_HOWTO (173),
1189 EMPTY_HOWTO (174),
1190 EMPTY_HOWTO (175),
1191 EMPTY_HOWTO (176),
1192 EMPTY_HOWTO (177),
1193 EMPTY_HOWTO (178),
1194 EMPTY_HOWTO (179),
1195 EMPTY_HOWTO (180),
1196 EMPTY_HOWTO (181),
1197 EMPTY_HOWTO (182),
1198 EMPTY_HOWTO (183),
1199 EMPTY_HOWTO (184),
1200 EMPTY_HOWTO (185),
1201 EMPTY_HOWTO (186),
1202 EMPTY_HOWTO (187),
1203 EMPTY_HOWTO (188),
1204 EMPTY_HOWTO (189),
1205 EMPTY_HOWTO (190),
1206 EMPTY_HOWTO (191),
1207 EMPTY_HOWTO (192),
1208 EMPTY_HOWTO (193),
1209 EMPTY_HOWTO (194),
1210 EMPTY_HOWTO (195),
1211 EMPTY_HOWTO (196),
1212 EMPTY_HOWTO (197),
1213 EMPTY_HOWTO (198),
1214 EMPTY_HOWTO (199),
1215 EMPTY_HOWTO (200),
1216 EMPTY_HOWTO (201),
1217 EMPTY_HOWTO (202),
1218 EMPTY_HOWTO (203),
1219 EMPTY_HOWTO (204),
1220 EMPTY_HOWTO (205),
1221 EMPTY_HOWTO (206),
1222 EMPTY_HOWTO (207),
1223 EMPTY_HOWTO (208),
1224 EMPTY_HOWTO (209),
1225 EMPTY_HOWTO (210),
1226 EMPTY_HOWTO (211),
1227 EMPTY_HOWTO (212),
1228 EMPTY_HOWTO (213),
1229 EMPTY_HOWTO (214),
1230 EMPTY_HOWTO (215),
1231 EMPTY_HOWTO (216),
1232 EMPTY_HOWTO (217),
1233 EMPTY_HOWTO (218),
1234 EMPTY_HOWTO (219),
1235 EMPTY_HOWTO (220),
1236 EMPTY_HOWTO (221),
1237 EMPTY_HOWTO (222),
1238 EMPTY_HOWTO (223),
1239 EMPTY_HOWTO (224),
1240 EMPTY_HOWTO (225),
1241 EMPTY_HOWTO (226),
1242 EMPTY_HOWTO (227),
1243 EMPTY_HOWTO (228),
1244 EMPTY_HOWTO (229),
1245 EMPTY_HOWTO (230),
1246 EMPTY_HOWTO (231),
1247 EMPTY_HOWTO (232),
1248 EMPTY_HOWTO (233),
1249 EMPTY_HOWTO (234),
1250 EMPTY_HOWTO (235),
1251 EMPTY_HOWTO (236),
1252 EMPTY_HOWTO (237),
1253 EMPTY_HOWTO (238),
1254 EMPTY_HOWTO (239),
1255 EMPTY_HOWTO (240),
1256 EMPTY_HOWTO (241),
1257 EMPTY_HOWTO (242),
1258 EMPTY_HOWTO (243),
1259 EMPTY_HOWTO (244),
1260 EMPTY_HOWTO (245),
1261 EMPTY_HOWTO (246),
1262 EMPTY_HOWTO (247),
1263 EMPTY_HOWTO (248),
1264 EMPTY_HOWTO (249),
1265 EMPTY_HOWTO (250),
1266 EMPTY_HOWTO (251),
1267 EMPTY_HOWTO (252),
1268 HOWTO (R_C6000_ALIGN, /* type */
1269 0, /* rightshift */
1270 0, /* size (0 = byte, 1 = short, 2 = long) */
1271 0, /* bitsize */
1272 FALSE, /* pc_relative */
1273 0, /* bitpos */
1274 complain_overflow_dont,/* complain_on_overflow */
1275 bfd_elf_generic_reloc, /* special_function */
1276 "R_C6000_ALIGN", /* name */
1277 TRUE, /* partial_inplace */
1278 0, /* src_mask */
1279 0, /* dst_mask */
1280 FALSE), /* pcrel_offset */
1281 HOWTO (R_C6000_FPHEAD, /* type */
1282 0, /* rightshift */
1283 0, /* size (0 = byte, 1 = short, 2 = long) */
1284 0, /* bitsize */
1285 FALSE, /* pc_relative */
1286 0, /* bitpos */
1287 complain_overflow_dont,/* complain_on_overflow */
1288 bfd_elf_generic_reloc, /* special_function */
1289 "R_C6000_FPHEAD", /* name */
1290 TRUE, /* partial_inplace */
1291 0, /* src_mask */
1292 0, /* dst_mask */
1293 FALSE), /* pcrel_offset */
1294 HOWTO (R_C6000_NOCMP, /* type */
1295 0, /* rightshift */
1296 0, /* size (0 = byte, 1 = short, 2 = long) */
1297 0, /* bitsize */
1298 FALSE, /* pc_relative */
1299 0, /* bitpos */
1300 complain_overflow_dont,/* complain_on_overflow */
1301 bfd_elf_generic_reloc, /* special_function */
1302 "R_C6000_NOCMP", /* name */
1303 TRUE, /* partial_inplace */
1304 0, /* src_mask */
1305 0, /* dst_mask */
1306 FALSE) /* pcrel_offset */
1307 };
1308
1309 /* Map BFD relocations to ELF relocations. */
1310
1311 typedef struct
1312 {
1313 bfd_reloc_code_real_type bfd_reloc_val;
1314 enum elf_tic6x_reloc_type elf_reloc_val;
1315 } tic6x_reloc_map;
1316
1317 static const tic6x_reloc_map elf32_tic6x_reloc_map[] =
1318 {
1319 { BFD_RELOC_NONE, R_C6000_NONE },
1320 { BFD_RELOC_32, R_C6000_ABS32 },
1321 { BFD_RELOC_16, R_C6000_ABS16 },
1322 { BFD_RELOC_8, R_C6000_ABS8 },
1323 { BFD_RELOC_C6000_PCR_S21, R_C6000_PCR_S21 },
1324 { BFD_RELOC_C6000_PCR_S12, R_C6000_PCR_S12 },
1325 { BFD_RELOC_C6000_PCR_S10, R_C6000_PCR_S10 },
1326 { BFD_RELOC_C6000_PCR_S7, R_C6000_PCR_S7 },
1327 { BFD_RELOC_C6000_ABS_S16, R_C6000_ABS_S16 },
1328 { BFD_RELOC_C6000_ABS_L16, R_C6000_ABS_L16 },
1329 { BFD_RELOC_C6000_ABS_H16, R_C6000_ABS_H16 },
1330 { BFD_RELOC_C6000_SBR_U15_B, R_C6000_SBR_U15_B },
1331 { BFD_RELOC_C6000_SBR_U15_H, R_C6000_SBR_U15_H },
1332 { BFD_RELOC_C6000_SBR_U15_W, R_C6000_SBR_U15_W },
1333 { BFD_RELOC_C6000_SBR_S16, R_C6000_SBR_S16 },
1334 { BFD_RELOC_C6000_SBR_L16_B, R_C6000_SBR_L16_B },
1335 { BFD_RELOC_C6000_SBR_L16_H, R_C6000_SBR_L16_H },
1336 { BFD_RELOC_C6000_SBR_L16_W, R_C6000_SBR_L16_W },
1337 { BFD_RELOC_C6000_SBR_H16_B, R_C6000_SBR_H16_B },
1338 { BFD_RELOC_C6000_SBR_H16_H, R_C6000_SBR_H16_H },
1339 { BFD_RELOC_C6000_SBR_H16_W, R_C6000_SBR_H16_W },
1340 { BFD_RELOC_C6000_SBR_GOT_U15_W, R_C6000_SBR_GOT_U15_W },
1341 { BFD_RELOC_C6000_SBR_GOT_L16_W, R_C6000_SBR_GOT_L16_W },
1342 { BFD_RELOC_C6000_SBR_GOT_H16_W, R_C6000_SBR_GOT_H16_W },
1343 { BFD_RELOC_C6000_DSBT_INDEX, R_C6000_DSBT_INDEX },
1344 { BFD_RELOC_C6000_PREL31, R_C6000_PREL31 },
1345 { BFD_RELOC_C6000_COPY, R_C6000_COPY },
1346 { BFD_RELOC_C6000_JUMP_SLOT, R_C6000_JUMP_SLOT },
1347 { BFD_RELOC_C6000_EHTYPE, R_C6000_EHTYPE },
1348 { BFD_RELOC_C6000_PCR_H16, R_C6000_PCR_H16 },
1349 { BFD_RELOC_C6000_PCR_L16, R_C6000_PCR_L16 },
1350 { BFD_RELOC_C6000_ALIGN, R_C6000_ALIGN },
1351 { BFD_RELOC_C6000_FPHEAD, R_C6000_FPHEAD },
1352 { BFD_RELOC_C6000_NOCMP, R_C6000_NOCMP }
1353 };
1354
1355 static reloc_howto_type *
1356 elf32_tic6x_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code)
1357 {
1358 unsigned int i;
1359
1360 for (i = 0; i < ARRAY_SIZE (elf32_tic6x_reloc_map); i++)
1361 if (elf32_tic6x_reloc_map[i].bfd_reloc_val == code)
1362 {
1363 enum elf_tic6x_reloc_type elf_reloc_val;
1364 reloc_howto_type *howto;
1365
1366 elf_reloc_val = elf32_tic6x_reloc_map[i].elf_reloc_val;
1367 if (elf32_tic6x_tdata (abfd)->use_rela_p)
1368 howto = &elf32_tic6x_howto_table[elf_reloc_val];
1369 else
1370 howto = &elf32_tic6x_howto_table_rel[elf_reloc_val];
1371
1372 /* Some relocations are RELA-only; do not return them for
1373 REL. */
1374 if (howto->name == NULL)
1375 howto = NULL;
1376
1377 return howto;
1378 }
1379
1380 return NULL;
1381 }
1382
1383 static reloc_howto_type *
1384 elf32_tic6x_reloc_name_lookup (bfd *abfd, const char *r_name)
1385 {
1386 if (elf32_tic6x_tdata (abfd)->use_rela_p)
1387 {
1388 unsigned int i;
1389
1390 for (i = 0; i < ARRAY_SIZE (elf32_tic6x_howto_table); i++)
1391 if (elf32_tic6x_howto_table[i].name != NULL
1392 && strcasecmp (elf32_tic6x_howto_table[i].name, r_name) == 0)
1393 return &elf32_tic6x_howto_table[i];
1394 }
1395 else
1396 {
1397 unsigned int i;
1398
1399 for (i = 0; i < ARRAY_SIZE (elf32_tic6x_howto_table_rel); i++)
1400 if (elf32_tic6x_howto_table_rel[i].name != NULL
1401 && strcasecmp (elf32_tic6x_howto_table_rel[i].name, r_name) == 0)
1402 return &elf32_tic6x_howto_table_rel[i];
1403 }
1404
1405 return NULL;
1406 }
1407
1408 static void
1409 elf32_tic6x_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *bfd_reloc,
1410 Elf_Internal_Rela *elf_reloc)
1411 {
1412 unsigned int r_type;
1413
1414 r_type = ELF32_R_TYPE (elf_reloc->r_info);
1415 if (r_type >= ARRAY_SIZE (elf32_tic6x_howto_table))
1416 bfd_reloc->howto = NULL;
1417 else
1418 bfd_reloc->howto = &elf32_tic6x_howto_table[r_type];
1419 }
1420
1421 static void
1422 elf32_tic6x_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED, arelent *bfd_reloc,
1423 Elf_Internal_Rela *elf_reloc)
1424 {
1425 unsigned int r_type;
1426
1427 r_type = ELF32_R_TYPE (elf_reloc->r_info);
1428 if (r_type >= ARRAY_SIZE (elf32_tic6x_howto_table_rel))
1429 bfd_reloc->howto = NULL;
1430 else
1431 bfd_reloc->howto = &elf32_tic6x_howto_table_rel[r_type];
1432 }
1433
1434 void
1435 elf32_tic6x_set_use_rela_p (bfd *abfd, bfd_boolean use_rela_p)
1436 {
1437 elf32_tic6x_tdata (abfd)->use_rela_p = use_rela_p;
1438 }
1439
1440 /* Create an entry in a C6X ELF linker hash table. */
1441
1442 static struct bfd_hash_entry *
1443 elf32_tic6x_link_hash_newfunc (struct bfd_hash_entry *entry,
1444 struct bfd_hash_table *table,
1445 const char *string)
1446 {
1447 /* Allocate the structure if it has not already been allocated by a
1448 subclass. */
1449 if (entry == NULL)
1450 {
1451 entry = bfd_hash_allocate (table,
1452 sizeof (struct elf32_tic6x_link_hash_entry));
1453 if (entry == NULL)
1454 return entry;
1455 }
1456
1457 /* Call the allocation method of the superclass. */
1458 entry = _bfd_elf_link_hash_newfunc (entry, table, string);
1459 if (entry != NULL)
1460 {
1461 struct elf32_tic6x_link_hash_entry *eh;
1462
1463 eh = (struct elf32_tic6x_link_hash_entry *) entry;
1464 eh->dyn_relocs = NULL;
1465 }
1466
1467 return entry;
1468 }
1469
1470 /* Create a C6X ELF linker hash table. */
1471
1472 static struct bfd_link_hash_table *
1473 elf32_tic6x_link_hash_table_create (bfd *abfd)
1474 {
1475 struct elf32_tic6x_link_hash_table *ret;
1476 bfd_size_type amt = sizeof (struct elf32_tic6x_link_hash_table);
1477
1478 ret = bfd_malloc (amt);
1479 if (ret == NULL)
1480 return NULL;
1481
1482 if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd,
1483 elf32_tic6x_link_hash_newfunc,
1484 sizeof (struct elf32_tic6x_link_hash_entry),
1485 TIC6X_ELF_DATA))
1486 {
1487 free (ret);
1488 return NULL;
1489 }
1490
1491 ret->sym_cache.abfd = NULL;
1492 ret->obfd = abfd;
1493 ret->elf.is_relocatable_executable = 1;
1494
1495 return &ret->elf.root;
1496 }
1497
1498 /* Destroy a C6X ELF linker hash table. */
1499
1500 static void
1501 elf32_tic6x_link_hash_table_free (struct bfd_link_hash_table *hash)
1502 {
1503 _bfd_generic_link_hash_table_free (hash);
1504 }
1505
1506 /* Called to pass PARAMS to the backend. We store them in the hash table
1507 associated with INFO. */
1508
1509 void
1510 elf32_tic6x_setup (struct bfd_link_info *info,
1511 struct elf32_tic6x_params *params)
1512 {
1513 struct elf32_tic6x_link_hash_table *htab = elf32_tic6x_hash_table (info);
1514 htab->params = *params;
1515 }
1516
1517 /* Determine if we're dealing with a DSBT object. */
1518
1519 static bfd_boolean
1520 elf32_tic6x_using_dsbt (bfd *abfd)
1521 {
1522 return bfd_elf_get_obj_attr_int (abfd, OBJ_ATTR_PROC,
1523 Tag_ABI_DSBT);
1524 }
1525
1526 /* Create .plt, .rela.plt, .got, .got.plt, .rela.got and .dsbt
1527 sections in DYNOBJ, and set up shortcuts to them in our hash
1528 table. */
1529
1530 static bfd_boolean
1531 elf32_tic6x_create_dynamic_sections (bfd *dynobj, struct bfd_link_info *info)
1532 {
1533 struct elf32_tic6x_link_hash_table *htab;
1534 flagword flags;
1535
1536 htab = elf32_tic6x_hash_table (info);
1537 if (htab == NULL)
1538 return FALSE;
1539
1540 if (!_bfd_elf_create_dynamic_sections (dynobj, info))
1541 return FALSE;
1542
1543 /* Create .dsbt */
1544 flags = (SEC_ALLOC | SEC_LOAD
1545 | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_LINKER_CREATED);
1546 htab->dsbt = bfd_make_section_anyway_with_flags (dynobj, ".dsbt",
1547 flags);
1548 if (htab->dsbt == NULL
1549 || ! bfd_set_section_alignment (dynobj, htab->dsbt, 2)
1550 || ! bfd_set_section_alignment (dynobj, htab->elf.splt, 5))
1551 return FALSE;
1552
1553 htab->sdynbss = bfd_get_section_by_name (dynobj, ".dynbss");
1554 if (!info->shared)
1555 htab->srelbss = bfd_get_section_by_name (dynobj, ".rela.bss");
1556
1557 if (!htab->sdynbss
1558 || (!info->shared && !htab->srelbss))
1559 abort ();
1560
1561 return TRUE;
1562 }
1563
1564 static bfd_boolean
1565 elf32_tic6x_mkobject (bfd *abfd)
1566 {
1567 bfd_boolean ret;
1568
1569 ret = bfd_elf_allocate_object (abfd, sizeof (struct elf32_tic6x_obj_tdata),
1570 TIC6X_ELF_DATA);
1571 if (ret)
1572 elf32_tic6x_set_use_rela_p (abfd, TRUE);
1573 return ret;
1574 }
1575
1576 /* Install relocation RELA into section SRELA, incrementing its
1577 reloc_count. */
1578
1579 static void
1580 elf32_tic6x_install_rela (bfd *output_bfd, asection *srela,
1581 Elf_Internal_Rela *rela)
1582 {
1583 bfd_byte *loc;
1584 bfd_vma off = srela->reloc_count++ * sizeof (Elf32_External_Rela);
1585 loc = srela->contents + off;
1586 BFD_ASSERT (off < srela->size);
1587 bfd_elf32_swap_reloca_out (output_bfd, rela, loc);
1588 }
1589
1590 /* Create a dynamic reloc against the GOT at offset OFFSET. The contents
1591 of the GOT at this offset have been initialized with the relocation. */
1592
1593 static void
1594 elf32_tic6x_make_got_dynreloc (bfd *output_bfd,
1595 struct elf32_tic6x_link_hash_table *htab,
1596 asection *sym_sec, bfd_vma offset)
1597 {
1598 asection *sgot = htab->elf.sgot;
1599 Elf_Internal_Rela outrel;
1600 int dynindx;
1601
1602 outrel.r_offset = sgot->output_section->vma + sgot->output_offset + offset;
1603 outrel.r_addend = bfd_get_32 (output_bfd, sgot->contents + offset);
1604 if (sym_sec && sym_sec->output_section
1605 && ! bfd_is_abs_section (sym_sec->output_section)
1606 && ! bfd_is_und_section (sym_sec->output_section))
1607 {
1608 dynindx = elf_section_data (sym_sec->output_section)->dynindx;
1609 outrel.r_addend -= sym_sec->output_section->vma;
1610 }
1611 else
1612 {
1613 dynindx = 0;
1614 }
1615 outrel.r_info = ELF32_R_INFO (dynindx, R_C6000_ABS32);
1616 elf32_tic6x_install_rela (output_bfd, htab->elf.srelgot, &outrel);
1617 }
1618
1619 /* Finish up dynamic symbol handling. We set the contents of various
1620 dynamic sections here. */
1621
1622 static bfd_boolean
1623 elf32_tic6x_finish_dynamic_symbol (bfd * output_bfd,
1624 struct bfd_link_info *info,
1625 struct elf_link_hash_entry *h,
1626 Elf_Internal_Sym * sym)
1627 {
1628 bfd *dynobj;
1629 struct elf32_tic6x_link_hash_table *htab;
1630
1631 htab = elf32_tic6x_hash_table (info);
1632 dynobj = htab->elf.dynobj;
1633
1634 if (h->plt.offset != (bfd_vma) -1)
1635 {
1636 bfd_vma plt_index;
1637 bfd_vma got_section_offset, got_dp_offset, rela_offset;
1638 Elf_Internal_Rela rela;
1639 bfd_byte *loc;
1640 asection *plt, *gotplt, *relplt;
1641 const struct elf_backend_data *bed;
1642
1643 bed = get_elf_backend_data (output_bfd);
1644
1645 BFD_ASSERT (htab->elf.splt != NULL);
1646 plt = htab->elf.splt;
1647 gotplt = htab->elf.sgotplt;
1648 relplt = htab->elf.srelplt;
1649
1650 /* This symbol has an entry in the procedure linkage table. Set
1651 it up. */
1652
1653 if ((h->dynindx == -1
1654 && !((h->forced_local || info->executable)
1655 && h->def_regular
1656 && h->type == STT_GNU_IFUNC))
1657 || plt == NULL
1658 || gotplt == NULL
1659 || relplt == NULL)
1660 abort ();
1661
1662 /* Get the index in the procedure linkage table which
1663 corresponds to this symbol. This is the index of this symbol
1664 in all the symbols for which we are making plt entries. The
1665 first entry in the procedure linkage table is reserved.
1666
1667 Get the offset into the .got table of the entry that
1668 corresponds to this function. Each .got entry is 4 bytes.
1669 The first three are reserved.
1670
1671 For static executables, we don't reserve anything. */
1672
1673 plt_index = h->plt.offset / PLT_ENTRY_SIZE - 1;
1674 got_section_offset = plt_index + bed->got_header_size / 4;
1675 got_dp_offset = got_section_offset + htab->params.dsbt_size;
1676 rela_offset = plt_index * sizeof (Elf32_External_Rela);
1677
1678 got_section_offset *= 4;
1679
1680 /* Fill in the entry in the procedure linkage table. */
1681
1682 /* ldw .d2t2 *+B14($GOT(f)), b2 */
1683 bfd_put_32 (output_bfd, got_dp_offset << 8 | 0x0100006e,
1684 plt->contents + h->plt.offset);
1685 /* mvk .s2 low(rela_offset), b0 */
1686 bfd_put_32 (output_bfd, (rela_offset & 0xffff) << 7 | 0x0000002a,
1687 plt->contents + h->plt.offset + 4);
1688 /* mvkh .s2 high(rela_offset), b0 */
1689 bfd_put_32 (output_bfd, ((rela_offset >> 16) & 0xffff) << 7 | 0x0000006a,
1690 plt->contents + h->plt.offset + 8);
1691 /* nop 2 */
1692 bfd_put_32 (output_bfd, 0x00002000,
1693 plt->contents + h->plt.offset + 12);
1694 /* b .s2 b2 */
1695 bfd_put_32 (output_bfd, 0x00080362,
1696 plt->contents + h->plt.offset + 16);
1697 /* nop 5 */
1698 bfd_put_32 (output_bfd, 0x00008000,
1699 plt->contents + h->plt.offset + 20);
1700
1701 /* Fill in the entry in the global offset table. */
1702 bfd_put_32 (output_bfd,
1703 (plt->output_section->vma + plt->output_offset),
1704 gotplt->contents + got_section_offset);
1705
1706 /* Fill in the entry in the .rel.plt section. */
1707 rela.r_offset = (gotplt->output_section->vma
1708 + gotplt->output_offset
1709 + got_section_offset);
1710 rela.r_info = ELF32_R_INFO (h->dynindx, R_C6000_JUMP_SLOT);
1711 rela.r_addend = 0;
1712 loc = relplt->contents + rela_offset;
1713 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
1714
1715 if (!h->def_regular)
1716 {
1717 /* Mark the symbol as undefined, rather than as defined in
1718 the .plt section. */
1719 sym->st_shndx = SHN_UNDEF;
1720 sym->st_value = 0;
1721 }
1722 }
1723
1724 if (h->got.offset != (bfd_vma) -1)
1725 {
1726 asection *sgot;
1727 asection *srela;
1728
1729 /* This symbol has an entry in the global offset table.
1730 Set it up. */
1731
1732 sgot = bfd_get_section_by_name (dynobj, ".got");
1733 srela = bfd_get_section_by_name (dynobj, ".rela.got");
1734 BFD_ASSERT (sgot != NULL && srela != NULL);
1735
1736 /* If this is a -Bsymbolic link, and the symbol is defined
1737 locally, we just want to emit a RELATIVE reloc. Likewise if
1738 the symbol was forced to be local because of a version file.
1739 The entry in the global offset table will already have been
1740 initialized in the relocate_section function. */
1741 if (info->shared
1742 && (info->symbolic
1743 || h->dynindx == -1 || h->forced_local) && h->def_regular)
1744 {
1745 asection *s = h->root.u.def.section;
1746 elf32_tic6x_make_got_dynreloc (output_bfd, htab, s,
1747 h->got.offset & ~(bfd_vma) 1);
1748 }
1749 else
1750 {
1751 Elf_Internal_Rela outrel;
1752 bfd_put_32 (output_bfd, (bfd_vma) 0,
1753 sgot->contents + (h->got.offset & ~(bfd_vma) 1));
1754 outrel.r_offset = (sgot->output_section->vma
1755 + sgot->output_offset
1756 + (h->got.offset & ~(bfd_vma) 1));
1757 outrel.r_info = ELF32_R_INFO (h->dynindx, R_C6000_ABS32);
1758 outrel.r_addend = 0;
1759
1760 elf32_tic6x_install_rela (output_bfd, srela, &outrel);
1761 }
1762 }
1763
1764 if (h->needs_copy)
1765 {
1766 Elf_Internal_Rela rel;
1767
1768 /* This symbol needs a copy reloc. Set it up. */
1769
1770 if (h->dynindx == -1
1771 || (h->root.type != bfd_link_hash_defined
1772 && h->root.type != bfd_link_hash_defweak)
1773 || htab->srelbss == NULL)
1774 abort ();
1775
1776 rel.r_offset = (h->root.u.def.value
1777 + h->root.u.def.section->output_section->vma
1778 + h->root.u.def.section->output_offset);
1779 rel.r_info = ELF32_R_INFO (h->dynindx, R_C6000_COPY);
1780 rel.r_addend = 0;
1781
1782 elf32_tic6x_install_rela (output_bfd, htab->srelbss, &rel);
1783 }
1784
1785 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */
1786 if (strcmp (h->root.root.string, "_DYNAMIC") == 0
1787 || h == elf_hash_table (info)->hgot)
1788 sym->st_shndx = SHN_ABS;
1789
1790 return TRUE;
1791 }
1792
1793 /* Update the got entry reference counts for the section being removed. */
1794
1795 static bfd_boolean
1796 elf32_tic6x_gc_sweep_hook (bfd *abfd,
1797 struct bfd_link_info *info,
1798 asection *sec,
1799 const Elf_Internal_Rela *relocs)
1800 {
1801 struct elf32_tic6x_link_hash_table *htab;
1802 Elf_Internal_Shdr *symtab_hdr;
1803 struct elf_link_hash_entry **sym_hashes;
1804 bfd_signed_vma *local_got_refcounts;
1805 const Elf_Internal_Rela *rel, *relend;
1806
1807 if (info->relocatable)
1808 return TRUE;
1809
1810 htab = elf32_tic6x_hash_table (info);
1811 if (htab == NULL)
1812 return FALSE;
1813
1814 elf_section_data (sec)->local_dynrel = NULL;
1815
1816 symtab_hdr = &elf_symtab_hdr (abfd);
1817 sym_hashes = elf_sym_hashes (abfd);
1818 local_got_refcounts = elf_local_got_refcounts (abfd);
1819
1820 relend = relocs + sec->reloc_count;
1821 for (rel = relocs; rel < relend; rel++)
1822 {
1823 unsigned long r_symndx;
1824 unsigned int r_type;
1825 struct elf_link_hash_entry *h = NULL;
1826
1827 r_symndx = ELF32_R_SYM (rel->r_info);
1828 if (r_symndx >= symtab_hdr->sh_info)
1829 {
1830 struct elf32_tic6x_link_hash_entry *eh;
1831 struct elf_dyn_relocs **pp;
1832 struct elf_dyn_relocs *p;
1833
1834 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1835 while (h->root.type == bfd_link_hash_indirect
1836 || h->root.type == bfd_link_hash_warning)
1837 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1838 eh = (struct elf32_tic6x_link_hash_entry *) h;
1839
1840 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
1841 if (p->sec == sec)
1842 {
1843 /* Everything must go for SEC. */
1844 *pp = p->next;
1845 break;
1846 }
1847 }
1848
1849 r_type = ELF32_R_TYPE (rel->r_info);
1850
1851 switch (r_type)
1852 {
1853 case R_C6000_SBR_GOT_U15_W:
1854 case R_C6000_SBR_GOT_L16_W:
1855 case R_C6000_SBR_GOT_H16_W:
1856 if (h != NULL)
1857 {
1858 if (h->got.refcount > 0)
1859 h->got.refcount -= 1;
1860 }
1861 else if (local_got_refcounts != NULL)
1862 {
1863 if (local_got_refcounts[r_symndx] > 0)
1864 local_got_refcounts[r_symndx] -= 1;
1865 }
1866 break;
1867
1868 default:
1869 break;
1870 }
1871 }
1872
1873 return TRUE;
1874 }
1875
1876 /* Adjust a symbol defined by a dynamic object and referenced by a
1877 regular object. The current definition is in some section of the
1878 dynamic object, but we're not including those sections. We have to
1879 change the definition to something the rest of the link can
1880 understand. */
1881
1882 static bfd_boolean
1883 elf32_tic6x_adjust_dynamic_symbol (struct bfd_link_info *info,
1884 struct elf_link_hash_entry *h)
1885 {
1886 struct elf32_tic6x_link_hash_table *htab;
1887 bfd *dynobj;
1888 asection *s;
1889
1890 dynobj = elf_hash_table (info)->dynobj;
1891
1892 /* Make sure we know what is going on here. */
1893 BFD_ASSERT (dynobj != NULL
1894 && (h->needs_plt
1895 || h->u.weakdef != NULL
1896 || (h->def_dynamic && h->ref_regular && !h->def_regular)));
1897
1898 /* If this is a function, put it in the procedure linkage table. We
1899 will fill in the contents of the procedure linkage table later,
1900 when we know the address of the .got section. */
1901 if (h->type == STT_FUNC
1902 || h->needs_plt)
1903 {
1904 if (h->plt.refcount <= 0
1905 || SYMBOL_CALLS_LOCAL (info, h)
1906 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
1907 && h->root.type == bfd_link_hash_undefweak))
1908 {
1909 /* This case can occur if we saw a PLT32 reloc in an input
1910 file, but the symbol was never referred to by a dynamic
1911 object, or if all references were garbage collected. In
1912 such a case, we don't actually need to build a procedure
1913 linkage table, and we can just do a PC32 reloc instead. */
1914 h->plt.offset = (bfd_vma) -1;
1915 h->needs_plt = 0;
1916 }
1917
1918 return TRUE;
1919 }
1920
1921 /* If this is a weak symbol, and there is a real definition, the
1922 processor independent code will have arranged for us to see the
1923 real definition first, and we can just use the same value. */
1924 if (h->u.weakdef != NULL)
1925 {
1926 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
1927 || h->u.weakdef->root.type == bfd_link_hash_defweak);
1928 h->root.u.def.section = h->u.weakdef->root.u.def.section;
1929 h->root.u.def.value = h->u.weakdef->root.u.def.value;
1930 h->non_got_ref = h->u.weakdef->non_got_ref;
1931 return TRUE;
1932 }
1933
1934 /* This is a reference to a symbol defined by a dynamic object which
1935 is not a function. */
1936
1937 /* If we are creating a shared library, we must presume that the
1938 only references to the symbol are via the global offset table.
1939 For such cases we need not do anything here; the relocations will
1940 be handled correctly by relocate_section. */
1941 if (info->shared)
1942 return TRUE;
1943
1944 /* If there are no references to this symbol that do not use the
1945 GOT, we don't need to generate a copy reloc. */
1946 if (!h->non_got_ref)
1947 return TRUE;
1948
1949 /* If -z nocopyreloc was given, we won't generate them either. */
1950 if (info->nocopyreloc)
1951 {
1952 h->non_got_ref = 0;
1953 return TRUE;
1954 }
1955
1956 htab = elf32_tic6x_hash_table (info);
1957 if (htab == NULL)
1958 return FALSE;
1959
1960 if (h->size == 0)
1961 {
1962 (*_bfd_error_handler) (_("dynamic variable `%s' is zero size"),
1963 h->root.root.string);
1964 return TRUE;
1965 }
1966
1967 /* We must allocate the symbol in our .dynbss section, which will
1968 become part of the .bss section of the executable. There will be
1969 an entry for this symbol in the .dynsym section. The dynamic
1970 object will contain position independent code, so all references
1971 from the dynamic object to this symbol will go through the global
1972 offset table. The dynamic linker will use the .dynsym entry to
1973 determine the address it must put in the global offset table, so
1974 both the dynamic object and the regular object will refer to the
1975 same memory location for the variable. */
1976
1977 /* We must generate a R_C6000_COPY reloc to tell the dynamic linker to
1978 copy the initial value out of the dynamic object and into the
1979 runtime process image. */
1980 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
1981 {
1982 htab->srelbss->size += sizeof (Elf32_External_Rela);
1983 h->needs_copy = 1;
1984 }
1985
1986 s = htab->sdynbss;
1987
1988 return _bfd_elf_adjust_dynamic_copy (h, s);
1989 }
1990
1991 static bfd_boolean
1992 elf32_tic6x_new_section_hook (bfd *abfd, asection *sec)
1993 {
1994 bfd_boolean ret;
1995
1996 ret = _bfd_elf_new_section_hook (abfd, sec);
1997 sec->use_rela_p = elf32_tic6x_tdata (abfd)->use_rela_p;
1998
1999 return ret;
2000 }
2001
2002 /* Return true if relocation REL against section SEC is a REL rather
2003 than RELA relocation. RELOCS is the first relocation in the
2004 section and ABFD is the bfd that contains SEC. */
2005
2006 static bfd_boolean
2007 elf32_tic6x_rel_relocation_p (bfd *abfd, asection *sec,
2008 const Elf_Internal_Rela *relocs,
2009 const Elf_Internal_Rela *rel)
2010 {
2011 Elf_Internal_Shdr *rel_hdr;
2012 const struct elf_backend_data *bed;
2013
2014 /* To determine which flavor of relocation this is, we depend on the
2015 fact that the INPUT_SECTION's REL_HDR is read before RELA_HDR. */
2016 rel_hdr = elf_section_data (sec)->rel.hdr;
2017 if (rel_hdr == NULL)
2018 return FALSE;
2019 bed = get_elf_backend_data (abfd);
2020 return ((size_t) (rel - relocs)
2021 < NUM_SHDR_ENTRIES (rel_hdr) * bed->s->int_rels_per_ext_rel);
2022 }
2023
2024 /* We need dynamic symbols for every section, since segments can
2025 relocate independently. */
2026 static bfd_boolean
2027 elf32_tic6x_link_omit_section_dynsym (bfd *output_bfd ATTRIBUTE_UNUSED,
2028 struct bfd_link_info *info ATTRIBUTE_UNUSED,
2029 asection *p)
2030 {
2031 switch (elf_section_data (p)->this_hdr.sh_type)
2032 {
2033 case SHT_PROGBITS:
2034 case SHT_NOBITS:
2035 /* If sh_type is yet undecided, assume it could be
2036 SHT_PROGBITS/SHT_NOBITS. */
2037 case SHT_NULL:
2038 return FALSE;
2039
2040 /* There shouldn't be section relative relocations
2041 against any other section. */
2042 default:
2043 return TRUE;
2044 }
2045 }
2046
2047 static bfd_boolean
2048 elf32_tic6x_relocate_section (bfd *output_bfd,
2049 struct bfd_link_info *info,
2050 bfd *input_bfd,
2051 asection *input_section,
2052 bfd_byte *contents,
2053 Elf_Internal_Rela *relocs,
2054 Elf_Internal_Sym *local_syms,
2055 asection **local_sections)
2056 {
2057 struct elf32_tic6x_link_hash_table *htab;
2058 Elf_Internal_Shdr *symtab_hdr;
2059 struct elf_link_hash_entry **sym_hashes;
2060 bfd_vma *local_got_offsets;
2061 Elf_Internal_Rela *rel;
2062 Elf_Internal_Rela *relend;
2063 bfd_boolean ok = TRUE;
2064
2065 htab = elf32_tic6x_hash_table (info);
2066 symtab_hdr = & elf_symtab_hdr (input_bfd);
2067 sym_hashes = elf_sym_hashes (input_bfd);
2068 local_got_offsets = elf_local_got_offsets (input_bfd);
2069
2070 relend = relocs + input_section->reloc_count;
2071
2072 for (rel = relocs; rel < relend; rel ++)
2073 {
2074 int r_type;
2075 unsigned long r_symndx;
2076 arelent bfd_reloc;
2077 reloc_howto_type *howto;
2078 Elf_Internal_Sym *sym;
2079 asection *sec;
2080 struct elf_link_hash_entry *h;
2081 bfd_vma off, relocation;
2082 bfd_boolean unresolved_reloc;
2083 bfd_reloc_status_type r;
2084 struct bfd_link_hash_entry *sbh;
2085 bfd_boolean is_rel;
2086
2087 r_type = ELF32_R_TYPE (rel->r_info);
2088 r_symndx = ELF32_R_SYM (rel->r_info);
2089
2090 is_rel = elf32_tic6x_rel_relocation_p (input_bfd, input_section,
2091 relocs, rel);
2092
2093 if (is_rel)
2094 elf32_tic6x_info_to_howto_rel (input_bfd, &bfd_reloc, rel);
2095 else
2096 elf32_tic6x_info_to_howto (input_bfd, &bfd_reloc, rel);
2097 howto = bfd_reloc.howto;
2098 if (howto == NULL)
2099 {
2100 bfd_set_error (bfd_error_bad_value);
2101 return FALSE;
2102 }
2103
2104 h = NULL;
2105 sym = NULL;
2106 sec = NULL;
2107 unresolved_reloc = FALSE;
2108
2109 if (r_symndx < symtab_hdr->sh_info)
2110 {
2111 sym = local_syms + r_symndx;
2112 sec = local_sections[r_symndx];
2113 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
2114 }
2115 else
2116 {
2117 bfd_boolean warned;
2118
2119 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
2120 r_symndx, symtab_hdr, sym_hashes,
2121 h, sec, relocation,
2122 unresolved_reloc, warned);
2123 }
2124
2125 if (sec != NULL && elf_discarded_section (sec))
2126 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
2127 rel, relend, howto, contents);
2128
2129 if (info->relocatable)
2130 {
2131 if (is_rel
2132 && sym != NULL
2133 && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
2134 {
2135 rel->r_addend = 0;
2136 relocation = sec->output_offset + sym->st_value;
2137 r = _bfd_relocate_contents (howto, input_bfd, relocation,
2138 contents + rel->r_offset);
2139 goto done_reloc;
2140 }
2141 continue;
2142 }
2143
2144 switch (r_type)
2145 {
2146 case R_C6000_NONE:
2147 case R_C6000_ALIGN:
2148 case R_C6000_FPHEAD:
2149 case R_C6000_NOCMP:
2150 /* No action needed. */
2151 continue;
2152
2153 case R_C6000_PCR_S21:
2154 /* A branch to an undefined weak symbol is turned into a
2155 "b .s2 B3" instruction if the existing insn is of the
2156 form "b .s2 symbol". */
2157 if (h ? h->root.type == bfd_link_hash_undefweak
2158 && (htab->elf.splt == NULL || h->plt.offset == (bfd_vma) -1)
2159 : r_symndx != STN_UNDEF && bfd_is_und_section (sec))
2160 {
2161 unsigned long oldval;
2162 oldval = bfd_get_32 (input_bfd, contents + rel->r_offset);
2163
2164 if ((oldval & 0x7e) == 0x12)
2165 {
2166 oldval &= 0xF0000001;
2167 bfd_put_32 (input_bfd, oldval | 0x000c0362,
2168 contents + rel->r_offset);
2169 r = bfd_reloc_ok;
2170 goto done_reloc;
2171 }
2172 }
2173
2174 case R_C6000_PCR_S12:
2175 case R_C6000_PCR_S10:
2176 case R_C6000_PCR_S7:
2177 if (h != NULL
2178 && h->plt.offset != (bfd_vma) -1
2179 && htab->elf.splt != NULL)
2180 {
2181 relocation = (htab->elf.splt->output_section->vma
2182 + htab->elf.splt->output_offset
2183 + h->plt.offset);
2184 }
2185
2186 /* Generic PC-relative handling produces a value relative to
2187 the exact location of the relocation. Adjust it to be
2188 relative to the start of the fetch packet instead. */
2189 relocation += (input_section->output_section->vma
2190 + input_section->output_offset
2191 + rel->r_offset) & 0x1f;
2192 unresolved_reloc = FALSE;
2193 break;
2194
2195 case R_C6000_DSBT_INDEX:
2196 relocation = elf32_tic6x_hash_table (info)->params.dsbt_index;
2197 if (!info->shared || relocation != 0)
2198 break;
2199
2200 /* fall through */
2201 case R_C6000_ABS32:
2202 case R_C6000_ABS16:
2203 case R_C6000_ABS8:
2204 case R_C6000_ABS_S16:
2205 case R_C6000_ABS_L16:
2206 case R_C6000_ABS_H16:
2207 /* When generating a shared object or relocatable executable, these
2208 relocations are copied into the output file to be resolved at
2209 run time. */
2210 if ((info->shared || elf32_tic6x_using_dsbt (output_bfd))
2211 && (input_section->flags & SEC_ALLOC)
2212 && (h == NULL
2213 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2214 || h->root.type != bfd_link_hash_undefweak))
2215 {
2216 Elf_Internal_Rela outrel;
2217 bfd_boolean skip, relocate;
2218 asection *sreloc;
2219
2220 unresolved_reloc = FALSE;
2221
2222 sreloc = elf_section_data (input_section)->sreloc;
2223 BFD_ASSERT (sreloc != NULL && sreloc->contents != NULL);
2224
2225 skip = FALSE;
2226 relocate = FALSE;
2227
2228 outrel.r_offset =
2229 _bfd_elf_section_offset (output_bfd, info, input_section,
2230 rel->r_offset);
2231 if (outrel.r_offset == (bfd_vma) -1)
2232 skip = TRUE;
2233 else if (outrel.r_offset == (bfd_vma) -2)
2234 skip = TRUE, relocate = TRUE;
2235 outrel.r_offset += (input_section->output_section->vma
2236 + input_section->output_offset);
2237
2238 if (skip)
2239 memset (&outrel, 0, sizeof outrel);
2240 else if (h != NULL
2241 && h->dynindx != -1
2242 && (!info->shared
2243 || !info->symbolic
2244 || !h->def_regular))
2245 {
2246 outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
2247 outrel.r_addend = rel->r_addend;
2248 }
2249 else
2250 {
2251 long indx;
2252
2253 outrel.r_addend = relocation + rel->r_addend;
2254
2255 if (bfd_is_abs_section (sec))
2256 indx = 0;
2257 else if (sec == NULL || sec->owner == NULL)
2258 {
2259 bfd_set_error (bfd_error_bad_value);
2260 return FALSE;
2261 }
2262 else
2263 {
2264 asection *osec;
2265
2266 osec = sec->output_section;
2267 indx = elf_section_data (osec)->dynindx;
2268 outrel.r_addend -= osec->vma;
2269 BFD_ASSERT (indx != 0);
2270 }
2271
2272 outrel.r_info = ELF32_R_INFO (indx, r_type);
2273 }
2274
2275 elf32_tic6x_install_rela (output_bfd, sreloc, &outrel);
2276
2277 /* If this reloc is against an external symbol, we do not want to
2278 fiddle with the addend. Otherwise, we need to include the symbol
2279 value so that it becomes an addend for the dynamic reloc. */
2280 if (! relocate)
2281 continue;
2282 }
2283
2284 /* Generic logic OK. */
2285 break;
2286
2287 case R_C6000_SBR_U15_B:
2288 case R_C6000_SBR_U15_H:
2289 case R_C6000_SBR_U15_W:
2290 case R_C6000_SBR_S16:
2291 case R_C6000_SBR_L16_B:
2292 case R_C6000_SBR_L16_H:
2293 case R_C6000_SBR_L16_W:
2294 case R_C6000_SBR_H16_B:
2295 case R_C6000_SBR_H16_H:
2296 case R_C6000_SBR_H16_W:
2297 sbh = bfd_link_hash_lookup (info->hash, "__c6xabi_DSBT_BASE",
2298 FALSE, FALSE, TRUE);
2299 if (sbh != NULL
2300 && (sbh->type == bfd_link_hash_defined
2301 || sbh->type == bfd_link_hash_defweak))
2302 {
2303 if (h ? (h->root.type == bfd_link_hash_undefweak
2304 && (htab->elf.splt == NULL
2305 || h->plt.offset == (bfd_vma) -1))
2306 : r_symndx != STN_UNDEF && bfd_is_und_section (sec))
2307 relocation = 0;
2308 else
2309 relocation -= (sbh->u.def.value
2310 + sbh->u.def.section->output_section->vma
2311 + sbh->u.def.section->output_offset);
2312 }
2313 else
2314 {
2315 (*_bfd_error_handler) (_("%B: SB-relative relocation but "
2316 "__c6xabi_DSBT_BASE not defined"),
2317 input_bfd);
2318 ok = FALSE;
2319 continue;
2320 }
2321 break;
2322
2323 case R_C6000_SBR_GOT_U15_W:
2324 case R_C6000_SBR_GOT_L16_W:
2325 case R_C6000_SBR_GOT_H16_W:
2326 /* Relocation is to the entry for this symbol in the global
2327 offset table. */
2328 if (htab->elf.sgot == NULL)
2329 abort ();
2330
2331 if (h != NULL)
2332 {
2333 bfd_boolean dyn;
2334
2335 off = h->got.offset;
2336 dyn = htab->elf.dynamic_sections_created;
2337 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
2338 || (info->shared
2339 && SYMBOL_REFERENCES_LOCAL (info, h))
2340 || (ELF_ST_VISIBILITY (h->other)
2341 && h->root.type == bfd_link_hash_undefweak))
2342 {
2343 /* This is actually a static link, or it is a
2344 -Bsymbolic link and the symbol is defined
2345 locally, or the symbol was forced to be local
2346 because of a version file. We must initialize
2347 this entry in the global offset table. Since the
2348 offset must always be a multiple of 4, we use the
2349 least significant bit to record whether we have
2350 initialized it already.
2351
2352 When doing a dynamic link, we create a .rel.got
2353 relocation entry to initialize the value. This
2354 is done in the finish_dynamic_symbol routine. */
2355 if ((off & 1) != 0)
2356 off &= ~1;
2357 else
2358 {
2359 bfd_put_32 (output_bfd, relocation,
2360 htab->elf.sgot->contents + off);
2361 h->got.offset |= 1;
2362
2363 if (!WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared,
2364 h)
2365 && !(ELF_ST_VISIBILITY (h->other)
2366 && h->root.type == bfd_link_hash_undefweak))
2367 elf32_tic6x_make_got_dynreloc (output_bfd, htab, sec,
2368 off);
2369 }
2370 }
2371 else
2372 unresolved_reloc = FALSE;
2373 }
2374 else
2375 {
2376 if (local_got_offsets == NULL)
2377 abort ();
2378
2379 off = local_got_offsets[r_symndx];
2380
2381 /* The offset must always be a multiple of 4. We use
2382 the least significant bit to record whether we have
2383 already generated the necessary reloc. */
2384 if ((off & 1) != 0)
2385 off &= ~1;
2386 else
2387 {
2388 bfd_put_32 (output_bfd, relocation,
2389 htab->elf.sgot->contents + off);
2390
2391 if (info->shared || elf32_tic6x_using_dsbt (output_bfd))
2392 elf32_tic6x_make_got_dynreloc (output_bfd, htab, sec, off);
2393
2394 local_got_offsets[r_symndx] |= 1;
2395 }
2396 }
2397
2398 if (off >= (bfd_vma) -2)
2399 abort ();
2400
2401 if (htab->dsbt)
2402 relocation = (htab->elf.sgot->output_section->vma
2403 + htab->elf.sgot->output_offset + off
2404 - htab->dsbt->output_section->vma
2405 - htab->dsbt->output_offset);
2406 else
2407 relocation = (htab->elf.sgot->output_section->vma
2408 + htab->elf.sgot->output_offset + off
2409 - htab->elf.sgotplt->output_section->vma
2410 - htab->elf.sgotplt->output_offset);
2411
2412 if (rel->r_addend != 0)
2413 {
2414 /* We can't do anything for a relocation which is against
2415 a symbol *plus offset*. GOT holds relocations for
2416 symbols. Make this an error; the compiler isn't
2417 allowed to pass us these kinds of things. */
2418 if (h == NULL)
2419 (*_bfd_error_handler)
2420 (_("%B, section %A: relocation %s with non-zero addend %d"
2421 " against local symbol"),
2422 input_bfd,
2423 input_section,
2424 elf32_tic6x_howto_table[r_type].name,
2425 rel->r_addend);
2426 else
2427 (*_bfd_error_handler)
2428 (_("%B, section %A: relocation %s with non-zero addend %d"
2429 " against symbol `%s'"),
2430 input_bfd,
2431 input_section,
2432 elf32_tic6x_howto_table[r_type].name,
2433 rel->r_addend,
2434 h->root.root.string[0] != '\0' ? h->root.root.string
2435 : _("[whose name is lost]"));
2436
2437 bfd_set_error (bfd_error_bad_value);
2438 return FALSE;
2439 }
2440 break;
2441
2442 case R_C6000_PREL31:
2443 if (h != NULL
2444 && h->plt.offset != (bfd_vma) -1
2445 && htab->elf.splt != NULL)
2446 {
2447 relocation = (htab->elf.splt->output_section->vma
2448 + htab->elf.splt->output_offset
2449 + h->plt.offset);
2450 }
2451 break;
2452
2453 case R_C6000_COPY:
2454 /* Invalid in relocatable object. */
2455 default:
2456 /* Unknown relocation. */
2457 (*_bfd_error_handler) (_("%B: invalid relocation type %d"),
2458 input_bfd, r_type);
2459 ok = FALSE;
2460 continue;
2461 }
2462
2463 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
2464 contents, rel->r_offset,
2465 relocation, rel->r_addend);
2466
2467 done_reloc:
2468 if (r == bfd_reloc_ok
2469 && howto->complain_on_overflow == complain_overflow_bitfield)
2470 {
2471 /* Generic overflow handling accepts cases the ABI says
2472 should be rejected for R_C6000_ABS16 and
2473 R_C6000_ABS8. */
2474 bfd_vma value = (relocation + rel->r_addend) & 0xffffffff;
2475 bfd_vma sbit = 1 << (howto->bitsize - 1);
2476 bfd_vma sbits = (-(bfd_vma) sbit) & 0xffffffff;
2477 bfd_vma value_sbits = value & sbits;
2478
2479 if (value_sbits != 0
2480 && value_sbits != sbit
2481 && value_sbits != sbits)
2482 r = bfd_reloc_overflow;
2483 }
2484
2485 if (r != bfd_reloc_ok)
2486 {
2487 const char *name;
2488 const char *error_message;
2489
2490 if (h != NULL)
2491 name = h->root.root.string;
2492 else
2493 {
2494 name = bfd_elf_string_from_elf_section (input_bfd,
2495 symtab_hdr->sh_link,
2496 sym->st_name);
2497 if (name == NULL)
2498 return FALSE;
2499 if (*name == '\0')
2500 name = bfd_section_name (input_bfd, sec);
2501 }
2502
2503 switch (r)
2504 {
2505 case bfd_reloc_overflow:
2506 /* If the overflowing reloc was to an undefined symbol,
2507 we have already printed one error message and there
2508 is no point complaining again. */
2509 if ((! h ||
2510 h->root.type != bfd_link_hash_undefined)
2511 && (!((*info->callbacks->reloc_overflow)
2512 (info, (h ? &h->root : NULL), name, howto->name,
2513 (bfd_vma) 0, input_bfd, input_section,
2514 rel->r_offset))))
2515 return FALSE;
2516 break;
2517
2518 case bfd_reloc_undefined:
2519 if (!((*info->callbacks->undefined_symbol)
2520 (info, name, input_bfd, input_section,
2521 rel->r_offset, TRUE)))
2522 return FALSE;
2523 break;
2524
2525 case bfd_reloc_outofrange:
2526 error_message = _("out of range");
2527 goto common_error;
2528
2529 case bfd_reloc_notsupported:
2530 error_message = _("unsupported relocation");
2531 goto common_error;
2532
2533 case bfd_reloc_dangerous:
2534 error_message = _("dangerous relocation");
2535 goto common_error;
2536
2537 default:
2538 error_message = _("unknown error");
2539 /* Fall through. */
2540
2541 common_error:
2542 BFD_ASSERT (error_message != NULL);
2543 if (!((*info->callbacks->reloc_dangerous)
2544 (info, error_message, input_bfd, input_section,
2545 rel->r_offset)))
2546 return FALSE;
2547 break;
2548 }
2549 }
2550 }
2551
2552 return ok;
2553 }
2554
2555 \f
2556 /* Look through the relocs for a section during the first phase, and
2557 calculate needed space in the global offset table, procedure linkage
2558 table, and dynamic reloc sections. */
2559
2560 static bfd_boolean
2561 elf32_tic6x_check_relocs (bfd *abfd, struct bfd_link_info *info,
2562 asection *sec, const Elf_Internal_Rela *relocs)
2563 {
2564 struct elf32_tic6x_link_hash_table *htab;
2565 Elf_Internal_Shdr *symtab_hdr;
2566 struct elf_link_hash_entry **sym_hashes;
2567 const Elf_Internal_Rela *rel;
2568 const Elf_Internal_Rela *rel_end;
2569 asection *sreloc;
2570
2571 if (info->relocatable)
2572 return TRUE;
2573
2574 htab = elf32_tic6x_hash_table (info);
2575 symtab_hdr = &elf_symtab_hdr (abfd);
2576 sym_hashes = elf_sym_hashes (abfd);
2577
2578 /* Create dynamic sections for relocatable executables so that we can
2579 copy relocations. */
2580 if (elf32_tic6x_using_dsbt (abfd)
2581 && ! htab->elf.dynamic_sections_created)
2582 {
2583 if (! _bfd_elf_link_create_dynamic_sections (abfd, info))
2584 return FALSE;
2585 }
2586
2587 sreloc = NULL;
2588
2589 rel_end = relocs + sec->reloc_count;
2590 for (rel = relocs; rel < rel_end; rel++)
2591 {
2592 unsigned int r_type;
2593 unsigned long r_symndx;
2594 struct elf_link_hash_entry *h;
2595 Elf_Internal_Sym *isym;
2596
2597 r_symndx = ELF32_R_SYM (rel->r_info);
2598 r_type = ELF32_R_TYPE (rel->r_info);
2599
2600 if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
2601 {
2602 (*_bfd_error_handler) (_("%B: bad symbol index: %d"),
2603 abfd,
2604 r_symndx);
2605 return FALSE;
2606 }
2607
2608 if (r_symndx < symtab_hdr->sh_info)
2609 {
2610 /* A local symbol. */
2611 isym = bfd_sym_from_r_symndx (&htab->sym_cache,
2612 abfd, r_symndx);
2613 if (isym == NULL)
2614 return FALSE;
2615 h = NULL;
2616 }
2617 else
2618 {
2619 isym = NULL;
2620 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
2621 while (h->root.type == bfd_link_hash_indirect
2622 || h->root.type == bfd_link_hash_warning)
2623 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2624 }
2625
2626 switch (r_type)
2627 {
2628 case R_C6000_PCR_S21:
2629 case R_C6000_PREL31:
2630 /* This symbol requires a procedure linkage table entry. We
2631 actually build the entry in adjust_dynamic_symbol,
2632 because this might be a case of linking PIC code which is
2633 never referenced by a dynamic object, in which case we
2634 don't need to generate a procedure linkage table entry
2635 after all. */
2636
2637 /* If this is a local symbol, we resolve it directly without
2638 creating a procedure linkage table entry. */
2639 if (h == NULL)
2640 continue;
2641
2642 h->needs_plt = 1;
2643 h->plt.refcount += 1;
2644 break;
2645
2646 case R_C6000_SBR_GOT_U15_W:
2647 case R_C6000_SBR_GOT_L16_W:
2648 case R_C6000_SBR_GOT_H16_W:
2649 /* This symbol requires a global offset table entry. */
2650 if (h != NULL)
2651 {
2652 h->got.refcount += 1;
2653 }
2654 else
2655 {
2656 bfd_signed_vma *local_got_refcounts;
2657
2658 /* This is a global offset table entry for a local symbol. */
2659 local_got_refcounts = elf_local_got_refcounts (abfd);
2660 if (local_got_refcounts == NULL)
2661 {
2662 bfd_size_type size;
2663
2664 size = symtab_hdr->sh_info;
2665 size *= (sizeof (bfd_signed_vma)
2666 + sizeof (bfd_vma) + sizeof(char));
2667 local_got_refcounts = bfd_zalloc (abfd, size);
2668 if (local_got_refcounts == NULL)
2669 return FALSE;
2670 elf_local_got_refcounts (abfd) = local_got_refcounts;
2671 }
2672 local_got_refcounts[r_symndx] += 1;
2673 }
2674
2675 if (htab->elf.sgot == NULL)
2676 {
2677 if (htab->elf.dynobj == NULL)
2678 htab->elf.dynobj = abfd;
2679 if (!_bfd_elf_create_got_section (htab->elf.dynobj, info))
2680 return FALSE;
2681 }
2682 break;
2683
2684 case R_C6000_DSBT_INDEX:
2685 /* We'd like to check for nonzero dsbt_index here, but it's
2686 set up only after check_relocs is called. Instead, we
2687 store the number of R_C6000_DSBT_INDEX relocs in the
2688 pc_count field, and potentially discard the extra space
2689 in elf32_tic6x_allocate_dynrelocs. */
2690 if (!info->shared)
2691 break;
2692
2693 /* fall through */
2694 case R_C6000_ABS32:
2695 case R_C6000_ABS16:
2696 case R_C6000_ABS8:
2697 case R_C6000_ABS_S16:
2698 case R_C6000_ABS_L16:
2699 case R_C6000_ABS_H16:
2700 /* If we are creating a shared library, and this is a reloc
2701 against a global symbol, or a non PC relative reloc
2702 against a local symbol, then we need to copy the reloc
2703 into the shared library. However, if we are linking with
2704 -Bsymbolic, we do not need to copy a reloc against a
2705 global symbol which is defined in an object we are
2706 including in the link (i.e., DEF_REGULAR is set). At
2707 this point we have not seen all the input files, so it is
2708 possible that DEF_REGULAR is not set now but will be set
2709 later (it is never cleared). In case of a weak definition,
2710 DEF_REGULAR may be cleared later by a strong definition in
2711 a shared library. We account for that possibility below by
2712 storing information in the relocs_copied field of the hash
2713 table entry. A similar situation occurs when creating
2714 shared libraries and symbol visibility changes render the
2715 symbol local.
2716
2717 If on the other hand, we are creating an executable, we
2718 may need to keep relocations for symbols satisfied by a
2719 dynamic library if we manage to avoid copy relocs for the
2720 symbol. */
2721 if ((info->shared || elf32_tic6x_using_dsbt (abfd))
2722 && (sec->flags & SEC_ALLOC) != 0)
2723 {
2724 struct elf_dyn_relocs *p;
2725 struct elf_dyn_relocs **head;
2726
2727 /* We must copy these reloc types into the output file.
2728 Create a reloc section in dynobj and make room for
2729 this reloc. */
2730 if (sreloc == NULL)
2731 {
2732 if (htab->elf.dynobj == NULL)
2733 htab->elf.dynobj = abfd;
2734
2735 sreloc = _bfd_elf_make_dynamic_reloc_section
2736 (sec, htab->elf.dynobj, 2, abfd, /*rela? */ TRUE);
2737
2738 if (sreloc == NULL)
2739 return FALSE;
2740 }
2741
2742 /* If this is a global symbol, we count the number of
2743 relocations we need for this symbol. */
2744 if (h != NULL)
2745 {
2746 head = &((struct elf32_tic6x_link_hash_entry *) h)->dyn_relocs;
2747 }
2748 else
2749 {
2750 /* Track dynamic relocs needed for local syms too.
2751 We really need local syms available to do this
2752 easily. Oh well. */
2753 void **vpp;
2754 asection *s;
2755
2756 s = bfd_section_from_elf_index (abfd, isym->st_shndx);
2757 if (s == NULL)
2758 s = sec;
2759
2760 vpp = &elf_section_data (s)->local_dynrel;
2761 head = (struct elf_dyn_relocs **)vpp;
2762 }
2763
2764 p = *head;
2765 if (p == NULL || p->sec != sec)
2766 {
2767 bfd_size_type amt = sizeof *p;
2768 p = bfd_alloc (htab->elf.dynobj, amt);
2769 if (p == NULL)
2770 return FALSE;
2771 p->next = *head;
2772 *head = p;
2773 p->sec = sec;
2774 p->count = 0;
2775 p->pc_count = 0;
2776 }
2777
2778 p->count += 1;
2779 if (r_type == R_C6000_DSBT_INDEX)
2780 p->pc_count += 1;
2781 }
2782 break;
2783
2784 case R_C6000_SBR_U15_B:
2785 case R_C6000_SBR_U15_H:
2786 case R_C6000_SBR_U15_W:
2787 case R_C6000_SBR_S16:
2788 case R_C6000_SBR_L16_B:
2789 case R_C6000_SBR_L16_H:
2790 case R_C6000_SBR_L16_W:
2791 case R_C6000_SBR_H16_B:
2792 case R_C6000_SBR_H16_H:
2793 case R_C6000_SBR_H16_W:
2794 if (h != NULL && info->executable)
2795 {
2796 /* For B14-relative addresses, we might need a copy
2797 reloc. */
2798 h->non_got_ref = 1;
2799 }
2800 break;
2801
2802 default:
2803 break;
2804 }
2805 }
2806
2807 return TRUE;
2808 }
2809
2810 static bfd_boolean
2811 elf32_tic6x_add_symbol_hook (bfd *abfd,
2812 struct bfd_link_info *info ATTRIBUTE_UNUSED,
2813 Elf_Internal_Sym *sym,
2814 const char **namep ATTRIBUTE_UNUSED,
2815 flagword *flagsp ATTRIBUTE_UNUSED,
2816 asection **secp,
2817 bfd_vma *valp)
2818 {
2819 switch (sym->st_shndx)
2820 {
2821 case SHN_TIC6X_SCOMMON:
2822 *secp = bfd_make_section_old_way (abfd, ".scommon");
2823 (*secp)->flags |= SEC_IS_COMMON;
2824 *valp = sym->st_size;
2825 bfd_set_section_alignment (abfd, *secp, bfd_log2 (sym->st_value));
2826 break;
2827 }
2828
2829 return TRUE;
2830 }
2831
2832 static void
2833 elf32_tic6x_symbol_processing (bfd *abfd ATTRIBUTE_UNUSED, asymbol *asym)
2834 {
2835 elf_symbol_type *elfsym;
2836
2837 elfsym = (elf_symbol_type *) asym;
2838 switch (elfsym->internal_elf_sym.st_shndx)
2839 {
2840 case SHN_TIC6X_SCOMMON:
2841 if (tic6x_elf_scom_section.name == NULL)
2842 {
2843 /* Initialize the small common section. */
2844 tic6x_elf_scom_section.name = ".scommon";
2845 tic6x_elf_scom_section.flags = SEC_IS_COMMON;
2846 tic6x_elf_scom_section.output_section = &tic6x_elf_scom_section;
2847 tic6x_elf_scom_section.symbol = &tic6x_elf_scom_symbol;
2848 tic6x_elf_scom_section.symbol_ptr_ptr = &tic6x_elf_scom_symbol_ptr;
2849 tic6x_elf_scom_symbol.name = ".scommon";
2850 tic6x_elf_scom_symbol.flags = BSF_SECTION_SYM;
2851 tic6x_elf_scom_symbol.section = &tic6x_elf_scom_section;
2852 tic6x_elf_scom_symbol_ptr = &tic6x_elf_scom_symbol;
2853 }
2854 asym->section = &tic6x_elf_scom_section;
2855 asym->value = elfsym->internal_elf_sym.st_size;
2856 break;
2857 }
2858 }
2859
2860 static int
2861 elf32_tic6x_link_output_symbol_hook (struct bfd_link_info *info ATTRIBUTE_UNUSED,
2862 const char *name ATTRIBUTE_UNUSED,
2863 Elf_Internal_Sym *sym,
2864 asection *input_sec,
2865 struct elf_link_hash_entry *h ATTRIBUTE_UNUSED)
2866 {
2867 /* If we see a common symbol, which implies a relocatable link, then
2868 if a symbol was small common in an input file, mark it as small
2869 common in the output file. */
2870 if (sym->st_shndx == SHN_COMMON && strcmp (input_sec->name, ".scommon") == 0)
2871 sym->st_shndx = SHN_TIC6X_SCOMMON;
2872
2873 return 1;
2874 }
2875
2876 static bfd_boolean
2877 elf32_tic6x_section_from_bfd_section (bfd *abfd ATTRIBUTE_UNUSED,
2878 asection *sec,
2879 int *retval)
2880 {
2881 if (strcmp (bfd_get_section_name (abfd, sec), ".scommon") == 0)
2882 {
2883 *retval = SHN_TIC6X_SCOMMON;
2884 return TRUE;
2885 }
2886
2887 return FALSE;
2888 }
2889
2890 /* Allocate space in .plt, .got and associated reloc sections for
2891 dynamic relocs. */
2892
2893 static bfd_boolean
2894 elf32_tic6x_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
2895 {
2896 struct bfd_link_info *info;
2897 struct elf32_tic6x_link_hash_table *htab;
2898 struct elf32_tic6x_link_hash_entry *eh;
2899 struct elf_dyn_relocs *p;
2900
2901 if (h->root.type == bfd_link_hash_indirect)
2902 return TRUE;
2903
2904 if (h->root.type == bfd_link_hash_warning)
2905 /* When warning symbols are created, they **replace** the "real"
2906 entry in the hash table, thus we never get to see the real
2907 symbol in a hash traversal. So look at it now. */
2908 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2909 eh = (struct elf32_tic6x_link_hash_entry *) h;
2910
2911 info = (struct bfd_link_info *) inf;
2912 htab = elf32_tic6x_hash_table (info);
2913
2914 if (htab->elf.dynamic_sections_created && h->plt.refcount > 0)
2915 {
2916 /* Make sure this symbol is output as a dynamic symbol.
2917 Undefined weak syms won't yet be marked as dynamic. */
2918 if (h->dynindx == -1 && !h->forced_local)
2919 {
2920 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2921 return FALSE;
2922 }
2923
2924 if (info->shared
2925 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h))
2926 {
2927 asection *s = htab->elf.splt;
2928
2929 /* If this is the first .plt entry, make room for the special
2930 first entry. */
2931 if (s->size == 0)
2932 s->size += PLT_ENTRY_SIZE;
2933
2934 h->plt.offset = s->size;
2935
2936 /* If this symbol is not defined in a regular file, and we are
2937 not generating a shared library, then set the symbol to this
2938 location in the .plt. This is required to make function
2939 pointers compare as equal between the normal executable and
2940 the shared library. */
2941 if (! info->shared && !h->def_regular)
2942 {
2943 h->root.u.def.section = s;
2944 h->root.u.def.value = h->plt.offset;
2945 }
2946
2947 /* Make room for this entry. */
2948 s->size += PLT_ENTRY_SIZE;
2949 /* We also need to make an entry in the .got.plt section, which
2950 will be placed in the .got section by the linker script. */
2951 htab->elf.sgotplt->size += 4;
2952 /* We also need to make an entry in the .rel.plt section. */
2953 htab->elf.srelplt->size += sizeof (Elf32_External_Rela);
2954 }
2955 else
2956 {
2957 h->plt.offset = (bfd_vma) -1;
2958 h->needs_plt = 0;
2959 }
2960 }
2961 else
2962 {
2963 h->plt.offset = (bfd_vma) -1;
2964 h->needs_plt = 0;
2965 }
2966
2967 if (h->got.refcount > 0)
2968 {
2969 asection *s;
2970
2971 /* Make sure this symbol is output as a dynamic symbol.
2972 Undefined weak syms won't yet be marked as dynamic. */
2973 if (h->dynindx == -1
2974 && !h->forced_local)
2975 {
2976 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2977 return FALSE;
2978 }
2979
2980 s = htab->elf.sgot;
2981 h->got.offset = s->size;
2982 s->size += 4;
2983
2984 if (!(ELF_ST_VISIBILITY (h->other)
2985 && h->root.type == bfd_link_hash_undefweak))
2986 htab->elf.srelgot->size += sizeof (Elf32_External_Rela);
2987 }
2988 else
2989 h->got.offset = (bfd_vma) -1;
2990
2991 if (eh->dyn_relocs == NULL)
2992 return TRUE;
2993
2994 /* Discard relocs on undefined weak syms with non-default
2995 visibility. */
2996 if (info->shared || elf32_tic6x_using_dsbt (htab->obfd))
2997 {
2998 /* We use the pc_count field to hold the number of
2999 R_C6000_DSBT_INDEX relocs. */
3000 if (htab->params.dsbt_index != 0)
3001 {
3002 struct elf_dyn_relocs **pp;
3003
3004 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
3005 {
3006 p->count -= p->pc_count;
3007 p->pc_count = 0;
3008 if (p->count == 0)
3009 *pp = p->next;
3010 else
3011 pp = &p->next;
3012 }
3013 }
3014
3015 if (eh->dyn_relocs != NULL
3016 && h->root.type == bfd_link_hash_undefweak)
3017 {
3018 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
3019 eh->dyn_relocs = NULL;
3020
3021 /* Make sure undefined weak symbols are output as a dynamic
3022 symbol in PIEs. */
3023 else if (h->dynindx == -1
3024 && !h->forced_local)
3025 {
3026 if (! bfd_elf_link_record_dynamic_symbol (info, h))
3027 return FALSE;
3028 }
3029 }
3030 }
3031
3032 /* Finally, allocate space. */
3033 for (p = eh->dyn_relocs; p != NULL; p = p->next)
3034 {
3035 asection *sreloc;
3036
3037 sreloc = elf_section_data (p->sec)->sreloc;
3038
3039 BFD_ASSERT (sreloc != NULL);
3040 sreloc->size += p->count * sizeof (Elf32_External_Rela);
3041 }
3042
3043 return TRUE;
3044 }
3045
3046 /* Find any dynamic relocs that apply to read-only sections. */
3047
3048 static bfd_boolean
3049 elf32_tic6x_readonly_dynrelocs (struct elf_link_hash_entry *h, void *inf)
3050 {
3051 struct elf32_tic6x_link_hash_entry *eh;
3052 struct elf_dyn_relocs *p;
3053
3054 if (h->root.type == bfd_link_hash_warning)
3055 h = (struct elf_link_hash_entry *) h->root.u.i.link;
3056
3057 eh = (struct elf32_tic6x_link_hash_entry *) h;
3058 for (p = eh->dyn_relocs; p != NULL; p = p->next)
3059 {
3060 asection *s = p->sec->output_section;
3061
3062 if (s != NULL && (s->flags & SEC_READONLY) != 0)
3063 {
3064 struct bfd_link_info *info = (struct bfd_link_info *) inf;
3065
3066 info->flags |= DF_TEXTREL;
3067
3068 /* Not an error, just cut short the traversal. */
3069 return FALSE;
3070 }
3071 }
3072 return TRUE;
3073 }
3074
3075 /* Set the sizes of the dynamic sections. */
3076
3077 static bfd_boolean
3078 elf32_tic6x_size_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
3079 {
3080 struct elf32_tic6x_link_hash_table *htab;
3081 bfd *dynobj;
3082 asection *s;
3083 bfd_boolean relocs;
3084 bfd *ibfd;
3085
3086 htab = elf32_tic6x_hash_table (info);
3087 dynobj = htab->elf.dynobj;
3088 if (dynobj == NULL)
3089 abort ();
3090
3091 if (htab->elf.dynamic_sections_created)
3092 {
3093 /* Set the contents of the .interp section to the interpreter. */
3094 if (info->executable)
3095 {
3096 s = bfd_get_section_by_name (dynobj, ".interp");
3097 if (s == NULL)
3098 abort ();
3099 s->size = sizeof ELF_DYNAMIC_INTERPRETER;
3100 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
3101 }
3102 }
3103
3104 /* Set up .got offsets for local syms, and space for local dynamic
3105 relocs. */
3106 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
3107 {
3108 bfd_signed_vma *local_got;
3109 bfd_signed_vma *end_local_got;
3110 char *local_tls_type;
3111 bfd_vma *local_tlsdesc_gotent;
3112 bfd_size_type locsymcount;
3113 Elf_Internal_Shdr *symtab_hdr;
3114 asection *srel;
3115
3116 for (s = ibfd->sections; s != NULL; s = s->next)
3117 {
3118 struct elf_dyn_relocs *p;
3119
3120 for (p = ((struct elf_dyn_relocs *)
3121 elf_section_data (s)->local_dynrel);
3122 p != NULL;
3123 p = p->next)
3124 {
3125 if (!bfd_is_abs_section (p->sec)
3126 && bfd_is_abs_section (p->sec->output_section))
3127 {
3128 /* Input section has been discarded, either because
3129 it is a copy of a linkonce section or due to
3130 linker script /DISCARD/, so we'll be discarding
3131 the relocs too. */
3132 }
3133 else if (p->count != 0)
3134 {
3135 srel = elf_section_data (p->sec)->sreloc;
3136 srel->size += p->count * sizeof (Elf32_External_Rela);
3137 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
3138 info->flags |= DF_TEXTREL;
3139 }
3140 }
3141 }
3142
3143 local_got = elf_local_got_refcounts (ibfd);
3144 if (!local_got)
3145 continue;
3146
3147 symtab_hdr = &elf_symtab_hdr (ibfd);
3148 locsymcount = symtab_hdr->sh_info;
3149 end_local_got = local_got + locsymcount;
3150 s = htab->elf.sgot;
3151 srel = htab->elf.srelgot;
3152 for (; local_got < end_local_got;
3153 ++local_got, ++local_tls_type, ++local_tlsdesc_gotent)
3154 {
3155 if (*local_got > 0)
3156 {
3157 *local_got = s->size;
3158 s->size += 4;
3159
3160 if (info->shared || elf32_tic6x_using_dsbt (output_bfd))
3161 {
3162 srel->size += sizeof (Elf32_External_Rela);
3163 }
3164 }
3165 else
3166 *local_got = (bfd_vma) -1;
3167 }
3168 }
3169
3170 /* Allocate global sym .plt and .got entries, and space for global
3171 sym dynamic relocs. */
3172 elf_link_hash_traverse (&htab->elf, elf32_tic6x_allocate_dynrelocs, info);
3173
3174 /* We now have determined the sizes of the various dynamic sections.
3175 Allocate memory for them. */
3176 relocs = FALSE;
3177 for (s = dynobj->sections; s != NULL; s = s->next)
3178 {
3179 bfd_boolean strip_section = TRUE;
3180
3181 if ((s->flags & SEC_LINKER_CREATED) == 0)
3182 continue;
3183
3184 if (s == htab->dsbt)
3185 s->size = 4 * htab->params.dsbt_size;
3186 else if (s == htab->elf.splt
3187 || s == htab->elf.sgot
3188 || s == htab->elf.sgotplt
3189 || s == htab->sdynbss)
3190 {
3191 /* Strip this section if we don't need it; see the
3192 comment below. */
3193 /* We'd like to strip these sections if they aren't needed, but if
3194 we've exported dynamic symbols from them we must leave them.
3195 It's too late to tell BFD to get rid of the symbols. */
3196
3197 if (htab->elf.hplt != NULL)
3198 strip_section = FALSE;
3199
3200 /* Round up the size of the PLT section to a multiple of 32. */
3201 if (s == htab->elf.splt && s->size > 0)
3202 s->size = (s->size + 31) & ~(bfd_vma)31;
3203 }
3204 else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rela"))
3205 {
3206 if (s->size != 0
3207 && s != htab->elf.srelplt)
3208 relocs = TRUE;
3209
3210 /* We use the reloc_count field as a counter if we need
3211 to copy relocs into the output file. */
3212 s->reloc_count = 0;
3213 }
3214 else
3215 {
3216 /* It's not one of our sections, so don't allocate space. */
3217 continue;
3218 }
3219
3220 if (s->size == 0)
3221 {
3222 /* If we don't need this section, strip it from the
3223 output file. This is mostly to handle .rel.bss and
3224 .rel.plt. We must create both sections in
3225 create_dynamic_sections, because they must be created
3226 before the linker maps input sections to output
3227 sections. The linker does that before
3228 adjust_dynamic_symbol is called, and it is that
3229 function which decides whether anything needs to go
3230 into these sections. */
3231 if (strip_section)
3232 s->flags |= SEC_EXCLUDE;
3233 continue;
3234 }
3235
3236 if ((s->flags & SEC_HAS_CONTENTS) == 0)
3237 continue;
3238
3239 /* Allocate memory for the section contents. We use bfd_zalloc
3240 here in case unused entries are not reclaimed before the
3241 section's contents are written out. This should not happen,
3242 but this way if it does, we get a R_C6000_NONE reloc instead
3243 of garbage. */
3244 s->contents = bfd_zalloc (dynobj, s->size);
3245 if (s->contents == NULL)
3246 return FALSE;
3247 }
3248
3249 if (htab->elf.dynamic_sections_created)
3250 {
3251 /* Add some entries to the .dynamic section. We fill in the
3252 values later, in elf32_tic6x_finish_dynamic_sections, but we
3253 must add the entries now so that we get the correct size for
3254 the .dynamic section. The DT_DEBUG entry is filled in by the
3255 dynamic linker and used by the debugger. */
3256 #define add_dynamic_entry(TAG, VAL) \
3257 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
3258
3259 if (info->executable)
3260 {
3261 if (!add_dynamic_entry (DT_DEBUG, 0))
3262 return FALSE;
3263 }
3264
3265 if (!add_dynamic_entry (DT_C6000_DSBT_BASE, 0)
3266 || !add_dynamic_entry (DT_C6000_DSBT_SIZE, htab->params.dsbt_size)
3267 || !add_dynamic_entry (DT_C6000_DSBT_INDEX,
3268 htab->params.dsbt_index))
3269 return FALSE;
3270
3271 if (htab->elf.splt->size != 0)
3272 {
3273 if (!add_dynamic_entry (DT_PLTGOT, 0)
3274 || !add_dynamic_entry (DT_PLTRELSZ, 0)
3275 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
3276 || !add_dynamic_entry (DT_JMPREL, 0))
3277 return FALSE;
3278 }
3279
3280 if (relocs)
3281 {
3282 if (!add_dynamic_entry (DT_RELA, 0)
3283 || !add_dynamic_entry (DT_RELASZ, 0)
3284 || !add_dynamic_entry (DT_RELAENT, sizeof (Elf32_External_Rela)))
3285 return FALSE;
3286
3287 /* If any dynamic relocs apply to a read-only section,
3288 then we need a DT_TEXTREL entry. */
3289 if ((info->flags & DF_TEXTREL) == 0)
3290 elf_link_hash_traverse (&htab->elf,
3291 elf32_tic6x_readonly_dynrelocs, info);
3292
3293 if ((info->flags & DF_TEXTREL) != 0)
3294 {
3295 if (!add_dynamic_entry (DT_TEXTREL, 0))
3296 return FALSE;
3297 }
3298 }
3299 }
3300 #undef add_dynamic_entry
3301
3302 return TRUE;
3303 }
3304
3305 /* This function is called after all the input files have been read,
3306 and the input sections have been assigned to output sections. */
3307
3308 static bfd_boolean
3309 elf32_tic6x_always_size_sections (bfd *output_bfd, struct bfd_link_info *info)
3310 {
3311 if (elf32_tic6x_using_dsbt (output_bfd) && !info->relocatable)
3312 {
3313 struct elf_link_hash_entry *h;
3314
3315 /* Force a PT_GNU_STACK segment to be created. */
3316 if (! elf_tdata (output_bfd)->stack_flags)
3317 elf_tdata (output_bfd)->stack_flags = PF_R | PF_W | PF_X;
3318
3319 /* Define __stacksize if it's not defined yet. */
3320 h = elf_link_hash_lookup (elf_hash_table (info), "__stacksize",
3321 FALSE, FALSE, FALSE);
3322 if (! h || h->root.type != bfd_link_hash_defined
3323 || h->type != STT_OBJECT
3324 || !h->def_regular)
3325 {
3326 struct bfd_link_hash_entry *bh = NULL;
3327
3328 if (!(_bfd_generic_link_add_one_symbol
3329 (info, output_bfd, "__stacksize",
3330 BSF_GLOBAL, bfd_abs_section_ptr, DEFAULT_STACK_SIZE,
3331 (const char *) NULL, FALSE,
3332 get_elf_backend_data (output_bfd)->collect, &bh)))
3333 return FALSE;
3334
3335 h = (struct elf_link_hash_entry *) bh;
3336 h->def_regular = 1;
3337 h->type = STT_OBJECT;
3338 }
3339 }
3340 return TRUE;
3341 }
3342
3343 static bfd_boolean
3344 elf32_tic6x_modify_program_headers (bfd *output_bfd,
3345 struct bfd_link_info *info)
3346 {
3347 struct elf_obj_tdata *tdata = elf_tdata (output_bfd);
3348 struct elf_segment_map *m;
3349 Elf_Internal_Phdr *p;
3350
3351 /* objcopy and strip preserve what's already there using
3352 elf32_tic6x_copy_private_bfd_data (). */
3353 if (! info)
3354 return TRUE;
3355
3356 for (p = tdata->phdr, m = tdata->segment_map; m != NULL; m = m->next, p++)
3357 if (m->p_type == PT_GNU_STACK)
3358 break;
3359
3360 if (m)
3361 {
3362 struct elf_link_hash_entry *h;
3363
3364 /* Obtain the pointer to the __stacksize symbol. */
3365 h = elf_link_hash_lookup (elf_hash_table (info), "__stacksize",
3366 FALSE, FALSE, FALSE);
3367 if (h)
3368 {
3369 while (h->root.type == bfd_link_hash_indirect
3370 || h->root.type == bfd_link_hash_warning)
3371 h = (struct elf_link_hash_entry *) h->root.u.i.link;
3372 BFD_ASSERT (h->root.type == bfd_link_hash_defined);
3373 }
3374
3375 /* Set the header p_memsz from the symbol value. We
3376 intentionally ignore the symbol section. */
3377 if (h && h->root.type == bfd_link_hash_defined)
3378 p->p_memsz = h->root.u.def.value;
3379 else
3380 p->p_memsz = DEFAULT_STACK_SIZE;
3381
3382 p->p_align = 8;
3383 }
3384
3385 return TRUE;
3386 }
3387
3388 static bfd_boolean
3389 elf32_tic6x_finish_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
3390 struct bfd_link_info *info)
3391 {
3392 struct elf32_tic6x_link_hash_table *htab;
3393 bfd *dynobj;
3394 asection *sdyn;
3395
3396 htab = elf32_tic6x_hash_table (info);
3397 dynobj = htab->elf.dynobj;
3398 sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
3399
3400 if (elf_hash_table (info)->dynamic_sections_created)
3401 {
3402 Elf32_External_Dyn * dyncon;
3403 Elf32_External_Dyn * dynconend;
3404
3405 BFD_ASSERT (sdyn != NULL);
3406
3407 dyncon = (Elf32_External_Dyn *) sdyn->contents;
3408 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
3409
3410 for (; dyncon < dynconend; dyncon++)
3411 {
3412 Elf_Internal_Dyn dyn;
3413 asection *s;
3414
3415 bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
3416
3417 switch (dyn.d_tag)
3418 {
3419 default:
3420 break;
3421
3422 case DT_C6000_DSBT_BASE:
3423 s = htab->dsbt;
3424 dyn.d_un.d_ptr = (s->output_section->vma + s->output_offset);
3425 break;
3426
3427 case DT_PLTGOT:
3428 s = htab->elf.sgotplt;
3429 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
3430 break;
3431
3432 case DT_JMPREL:
3433 s = htab->elf.srelplt;
3434 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
3435 break;
3436
3437 case DT_PLTRELSZ:
3438 s = htab->elf.srelplt;
3439 dyn.d_un.d_val = s->size;
3440 break;
3441 }
3442 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
3443 }
3444
3445 /* Fill in the first entry in the procedure linkage table. */
3446 if (htab->elf.splt && htab->elf.splt->size > 0)
3447 {
3448 bfd_vma got_offs = (htab->elf.sgotplt->output_section->vma
3449 + htab->elf.sgotplt->output_offset
3450 - htab->dsbt->output_section->vma
3451 - htab->dsbt->output_offset) / 4;
3452
3453 /* ldw .D2T2 *+b14[$GOT(0)],b2 */
3454 bfd_put_32 (output_bfd, got_offs << 8 | 0x0100006e,
3455 htab->elf.splt->contents);
3456 /* ldw .D2T2 *+b14[$GOT(4)],b1 */
3457 bfd_put_32 (output_bfd, (got_offs + 1) << 8 | 0x0080006e,
3458 htab->elf.splt->contents + 4);
3459 /* nop 3 */
3460 bfd_put_32 (output_bfd, 0x00004000,
3461 htab->elf.splt->contents + 8);
3462 /* b .s2 b2 */
3463 bfd_put_32 (output_bfd, 0x00080362,
3464 htab->elf.splt->contents + 12);
3465 /* nop 5 */
3466 bfd_put_32 (output_bfd, 0x00008000,
3467 htab->elf.splt->contents + 16);
3468
3469 elf_section_data (htab->elf.splt->output_section)
3470 ->this_hdr.sh_entsize = PLT_ENTRY_SIZE;
3471 }
3472 }
3473
3474 return TRUE;
3475 }
3476
3477 /* Return address for Ith PLT stub in section PLT, for relocation REL
3478 or (bfd_vma) -1 if it should not be included. */
3479
3480 static bfd_vma
3481 elf32_tic6x_plt_sym_val (bfd_vma i, const asection *plt,
3482 const arelent *rel ATTRIBUTE_UNUSED)
3483 {
3484 return plt->vma + (i + 1) * PLT_ENTRY_SIZE;
3485 }
3486
3487 static int
3488 elf32_tic6x_obj_attrs_arg_type (int tag)
3489 {
3490 if (tag == Tag_ABI_compatibility)
3491 return ATTR_TYPE_FLAG_INT_VAL | ATTR_TYPE_FLAG_STR_VAL;
3492 else if (tag & 1)
3493 return ATTR_TYPE_FLAG_STR_VAL;
3494 else
3495 return ATTR_TYPE_FLAG_INT_VAL;
3496 }
3497
3498 static int
3499 elf32_tic6x_obj_attrs_order (int num)
3500 {
3501 if (num == LEAST_KNOWN_OBJ_ATTRIBUTE)
3502 return Tag_ABI_conformance;
3503 if ((num - 1) < Tag_ABI_conformance)
3504 return num - 1;
3505 return num;
3506 }
3507
3508 static bfd_boolean
3509 elf32_tic6x_obj_attrs_handle_unknown (bfd *abfd, int tag)
3510 {
3511 if ((tag & 127) < 64)
3512 {
3513 _bfd_error_handler
3514 (_("%B: error: unknown mandatory EABI object attribute %d"),
3515 abfd, tag);
3516 bfd_set_error (bfd_error_bad_value);
3517 return FALSE;
3518 }
3519 else
3520 {
3521 _bfd_error_handler
3522 (_("%B: warning: unknown EABI object attribute %d"),
3523 abfd, tag);
3524 return TRUE;
3525 }
3526 }
3527
3528 /* Merge the Tag_ISA attribute values ARCH1 and ARCH2
3529 and return the merged value. At present, all merges succeed, so no
3530 return value for errors is defined. */
3531
3532 int
3533 elf32_tic6x_merge_arch_attributes (int arch1, int arch2)
3534 {
3535 int min_arch, max_arch;
3536
3537 min_arch = (arch1 < arch2 ? arch1 : arch2);
3538 max_arch = (arch1 > arch2 ? arch1 : arch2);
3539
3540 /* In most cases, the numerically greatest value is the correct
3541 merged value, but merging C64 and C67 results in C674X. */
3542 if ((min_arch == C6XABI_Tag_ISA_C67X
3543 || min_arch == C6XABI_Tag_ISA_C67XP)
3544 && (max_arch == C6XABI_Tag_ISA_C64X
3545 || max_arch == C6XABI_Tag_ISA_C64XP))
3546 return C6XABI_Tag_ISA_C674X;
3547
3548 return max_arch;
3549 }
3550
3551 /* Convert a Tag_ABI_array_object_alignment or
3552 Tag_ABI_array_object_align_expected tag value TAG to a
3553 corresponding alignment value; return the alignment, or -1 for an
3554 unknown tag value. */
3555
3556 static int
3557 elf32_tic6x_tag_to_array_alignment (int tag)
3558 {
3559 switch (tag)
3560 {
3561 case 0:
3562 return 8;
3563
3564 case 1:
3565 return 4;
3566
3567 case 2:
3568 return 16;
3569
3570 default:
3571 return -1;
3572 }
3573 }
3574
3575 /* Convert a Tag_ABI_array_object_alignment or
3576 Tag_ABI_array_object_align_expected alignment ALIGN to a
3577 corresponding tag value; return the tag value. */
3578
3579 static int
3580 elf32_tic6x_array_alignment_to_tag (int align)
3581 {
3582 switch (align)
3583 {
3584 case 8:
3585 return 0;
3586
3587 case 4:
3588 return 1;
3589
3590 case 16:
3591 return 2;
3592
3593 default:
3594 abort ();
3595 }
3596 }
3597
3598 /* Merge attributes from IBFD and OBFD, returning TRUE if the merge
3599 succeeded, FALSE otherwise. */
3600
3601 static bfd_boolean
3602 elf32_tic6x_merge_attributes (bfd *ibfd, bfd *obfd)
3603 {
3604 bfd_boolean result = TRUE;
3605 obj_attribute *in_attr;
3606 obj_attribute *out_attr;
3607 int i;
3608 int array_align_in, array_align_out, array_expect_in, array_expect_out;
3609
3610 if (!elf_known_obj_attributes_proc (obfd)[0].i)
3611 {
3612 /* This is the first object. Copy the attributes. */
3613 _bfd_elf_copy_obj_attributes (ibfd, obfd);
3614
3615 out_attr = elf_known_obj_attributes_proc (obfd);
3616
3617 /* Use the Tag_null value to indicate the attributes have been
3618 initialized. */
3619 out_attr[0].i = 1;
3620
3621 return TRUE;
3622 }
3623
3624 in_attr = elf_known_obj_attributes_proc (ibfd);
3625 out_attr = elf_known_obj_attributes_proc (obfd);
3626
3627 /* No specification yet for handling of unknown attributes, so just
3628 ignore them and handle known ones. */
3629
3630 if (out_attr[Tag_ABI_stack_align_preserved].i
3631 < in_attr[Tag_ABI_stack_align_needed].i)
3632 {
3633 _bfd_error_handler
3634 (_("error: %B requires more stack alignment than %B preserves"),
3635 ibfd, obfd);
3636 result = FALSE;
3637 }
3638 if (in_attr[Tag_ABI_stack_align_preserved].i
3639 < out_attr[Tag_ABI_stack_align_needed].i)
3640 {
3641 _bfd_error_handler
3642 (_("error: %B requires more stack alignment than %B preserves"),
3643 obfd, ibfd);
3644 result = FALSE;
3645 }
3646
3647 array_align_in = elf32_tic6x_tag_to_array_alignment
3648 (in_attr[Tag_ABI_array_object_alignment].i);
3649 if (array_align_in == -1)
3650 {
3651 _bfd_error_handler
3652 (_("error: unknown Tag_ABI_array_object_alignment value in %B"),
3653 ibfd);
3654 result = FALSE;
3655 }
3656 array_align_out = elf32_tic6x_tag_to_array_alignment
3657 (out_attr[Tag_ABI_array_object_alignment].i);
3658 if (array_align_out == -1)
3659 {
3660 _bfd_error_handler
3661 (_("error: unknown Tag_ABI_array_object_alignment value in %B"),
3662 obfd);
3663 result = FALSE;
3664 }
3665 array_expect_in = elf32_tic6x_tag_to_array_alignment
3666 (in_attr[Tag_ABI_array_object_align_expected].i);
3667 if (array_expect_in == -1)
3668 {
3669 _bfd_error_handler
3670 (_("error: unknown Tag_ABI_array_object_align_expected value in %B"),
3671 ibfd);
3672 result = FALSE;
3673 }
3674 array_expect_out = elf32_tic6x_tag_to_array_alignment
3675 (out_attr[Tag_ABI_array_object_align_expected].i);
3676 if (array_expect_out == -1)
3677 {
3678 _bfd_error_handler
3679 (_("error: unknown Tag_ABI_array_object_align_expected value in %B"),
3680 obfd);
3681 result = FALSE;
3682 }
3683
3684 if (array_align_out < array_expect_in)
3685 {
3686 _bfd_error_handler
3687 (_("error: %B requires more array alignment than %B preserves"),
3688 ibfd, obfd);
3689 result = FALSE;
3690 }
3691 if (array_align_in < array_expect_out)
3692 {
3693 _bfd_error_handler
3694 (_("error: %B requires more array alignment than %B preserves"),
3695 obfd, ibfd);
3696 result = FALSE;
3697 }
3698
3699 for (i = LEAST_KNOWN_OBJ_ATTRIBUTE; i < NUM_KNOWN_OBJ_ATTRIBUTES; i++)
3700 {
3701 switch (i)
3702 {
3703 case Tag_ISA:
3704 out_attr[i].i = elf32_tic6x_merge_arch_attributes (in_attr[i].i,
3705 out_attr[i].i);
3706 break;
3707
3708 case Tag_ABI_wchar_t:
3709 if (out_attr[i].i == 0)
3710 out_attr[i].i = in_attr[i].i;
3711 if (out_attr[i].i != 0
3712 && in_attr[i].i != 0
3713 && out_attr[i].i != in_attr[i].i)
3714 {
3715 _bfd_error_handler
3716 (_("warning: %B and %B differ in wchar_t size"), obfd, ibfd);
3717 }
3718 break;
3719
3720 case Tag_ABI_stack_align_needed:
3721 if (out_attr[i].i < in_attr[i].i)
3722 out_attr[i].i = in_attr[i].i;
3723 break;
3724
3725 case Tag_ABI_stack_align_preserved:
3726 if (out_attr[i].i > in_attr[i].i)
3727 out_attr[i].i = in_attr[i].i;
3728 break;
3729
3730 case Tag_ABI_DSBT:
3731 if (out_attr[i].i != in_attr[i].i)
3732 {
3733 _bfd_error_handler
3734 (_("warning: %B and %B differ in whether code is "
3735 "compiled for DSBT"),
3736 obfd, ibfd);
3737 }
3738 break;
3739
3740 case Tag_ABI_PID:
3741 if (out_attr[i].i != in_attr[i].i)
3742 {
3743 _bfd_error_handler
3744 (_("warning: %B and %B differ in position-dependence of "
3745 "data addressing"),
3746 obfd, ibfd);
3747 }
3748 break;
3749
3750 case Tag_ABI_PIC:
3751 if (out_attr[i].i != in_attr[i].i)
3752 {
3753 _bfd_error_handler
3754 (_("warning: %B and %B differ in position-dependence of "
3755 "code addressing"),
3756 obfd, ibfd);
3757 }
3758 break;
3759
3760 case Tag_ABI_array_object_alignment:
3761 if (array_align_out != -1
3762 && array_align_in != -1
3763 && array_align_out > array_align_in)
3764 out_attr[i].i
3765 = elf32_tic6x_array_alignment_to_tag (array_align_in);
3766 break;
3767
3768 case Tag_ABI_array_object_align_expected:
3769 if (array_expect_out != -1
3770 && array_expect_in != -1
3771 && array_expect_out < array_expect_in)
3772 out_attr[i].i
3773 = elf32_tic6x_array_alignment_to_tag (array_expect_in);
3774 break;
3775
3776 case Tag_ABI_conformance:
3777 /* Merging for this attribute is not specified. As on ARM,
3778 treat a missing attribute as no claim to conform and only
3779 merge identical values. */
3780 if (out_attr[i].s == NULL
3781 || in_attr[i].s == NULL
3782 || strcmp (out_attr[i].s,
3783 in_attr[i].s) != 0)
3784 out_attr[i].s = NULL;
3785 break;
3786
3787 case Tag_ABI_compatibility:
3788 /* Merged in _bfd_elf_merge_object_attributes. */
3789 break;
3790
3791 default:
3792 result
3793 = result && _bfd_elf_merge_unknown_attribute_low (ibfd, obfd, i);
3794 break;
3795 }
3796
3797 if (in_attr[i].type && !out_attr[i].type)
3798 out_attr[i].type = in_attr[i].type;
3799 }
3800
3801 /* Merge Tag_ABI_compatibility attributes and any common GNU ones. */
3802 if (!_bfd_elf_merge_object_attributes (ibfd, obfd))
3803 return FALSE;
3804
3805 result &= _bfd_elf_merge_unknown_attribute_list (ibfd, obfd);
3806
3807 return result;
3808 }
3809
3810 static bfd_boolean
3811 elf32_tic6x_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
3812 {
3813 if (!_bfd_generic_verify_endian_match (ibfd, obfd))
3814 return FALSE;
3815
3816 if (!elf32_tic6x_merge_attributes (ibfd, obfd))
3817 return FALSE;
3818
3819 return TRUE;
3820 }
3821
3822 static bfd_boolean
3823 elf32_tic6x_copy_private_data (bfd * ibfd, bfd * obfd)
3824 {
3825 _bfd_elf_copy_private_bfd_data (ibfd, obfd);
3826
3827 if (! is_tic6x_elf (ibfd) || ! is_tic6x_elf (obfd))
3828 return TRUE;
3829
3830 /* Copy the stack size. */
3831 if (elf_tdata (ibfd)->phdr && elf_tdata (obfd)->phdr
3832 && elf32_tic6x_using_dsbt (ibfd) && elf32_tic6x_using_dsbt (obfd))
3833 {
3834 unsigned i;
3835
3836 for (i = 0; i < elf_elfheader (ibfd)->e_phnum; i++)
3837 if (elf_tdata (ibfd)->phdr[i].p_type == PT_GNU_STACK)
3838 {
3839 Elf_Internal_Phdr *iphdr = &elf_tdata (ibfd)->phdr[i];
3840
3841 for (i = 0; i < elf_elfheader (obfd)->e_phnum; i++)
3842 if (elf_tdata (obfd)->phdr[i].p_type == PT_GNU_STACK)
3843 {
3844 memcpy (&elf_tdata (obfd)->phdr[i], iphdr, sizeof (*iphdr));
3845
3846 /* Rewrite the phdrs, since we're only called after they
3847 were first written. */
3848 if (bfd_seek (obfd,
3849 (bfd_signed_vma) get_elf_backend_data (obfd)
3850 ->s->sizeof_ehdr, SEEK_SET) != 0
3851 || get_elf_backend_data (obfd)->s
3852 ->write_out_phdrs (obfd, elf_tdata (obfd)->phdr,
3853 elf_elfheader (obfd)->e_phnum) != 0)
3854 return FALSE;
3855 break;
3856 }
3857
3858 break;
3859 }
3860 }
3861
3862 return TRUE;
3863 }
3864
3865 #define TARGET_LITTLE_SYM bfd_elf32_tic6x_le_vec
3866 #define TARGET_LITTLE_NAME "elf32-tic6x-le"
3867 #define TARGET_BIG_SYM bfd_elf32_tic6x_be_vec
3868 #define TARGET_BIG_NAME "elf32-tic6x-be"
3869 #define ELF_ARCH bfd_arch_tic6x
3870 #define ELF_TARGET_ID TIC6X_ELF_DATA
3871 #define ELF_MACHINE_CODE EM_TI_C6000
3872 #define ELF_MAXPAGESIZE 0x1000
3873 #define bfd_elf32_bfd_reloc_type_lookup elf32_tic6x_reloc_type_lookup
3874 #define bfd_elf32_bfd_reloc_name_lookup elf32_tic6x_reloc_name_lookup
3875 #define bfd_elf32_bfd_copy_private_bfd_data elf32_tic6x_copy_private_data
3876 #define bfd_elf32_bfd_merge_private_bfd_data elf32_tic6x_merge_private_bfd_data
3877 #define bfd_elf32_mkobject elf32_tic6x_mkobject
3878 #define bfd_elf32_bfd_link_hash_table_create elf32_tic6x_link_hash_table_create
3879 #define bfd_elf32_bfd_link_hash_table_free elf32_tic6x_link_hash_table_free
3880 #define bfd_elf32_new_section_hook elf32_tic6x_new_section_hook
3881 #define elf_backend_can_gc_sections 1
3882 #define elf_backend_default_use_rela_p 1
3883 #define elf_backend_may_use_rel_p 1
3884 #define elf_backend_may_use_rela_p 1
3885 #define elf_backend_obj_attrs_arg_type elf32_tic6x_obj_attrs_arg_type
3886 #define elf_backend_obj_attrs_handle_unknown elf32_tic6x_obj_attrs_handle_unknown
3887 #define elf_backend_obj_attrs_order elf32_tic6x_obj_attrs_order
3888 #define elf_backend_obj_attrs_section ".c6xabi.attributes"
3889 #define elf_backend_obj_attrs_section_type SHT_C6000_ATTRIBUTES
3890 #define elf_backend_obj_attrs_vendor "c6xabi"
3891 #define elf_backend_can_refcount 1
3892 #define elf_backend_want_got_plt 1
3893 #define elf_backend_want_dynbss 1
3894 #define elf_backend_plt_readonly 1
3895 #define elf_backend_rela_normal 1
3896 #define elf_backend_got_header_size 8
3897 #define elf_backend_gc_sweep_hook elf32_tic6x_gc_sweep_hook
3898 #define elf_backend_modify_program_headers \
3899 elf32_tic6x_modify_program_headers
3900 #define elf_backend_create_dynamic_sections \
3901 elf32_tic6x_create_dynamic_sections
3902 #define elf_backend_adjust_dynamic_symbol \
3903 elf32_tic6x_adjust_dynamic_symbol
3904 #define elf_backend_check_relocs elf32_tic6x_check_relocs
3905 #define elf_backend_add_symbol_hook elf32_tic6x_add_symbol_hook
3906 #define elf_backend_symbol_processing elf32_tic6x_symbol_processing
3907 #define elf_backend_link_output_symbol_hook \
3908 elf32_tic6x_link_output_symbol_hook
3909 #define elf_backend_section_from_bfd_section \
3910 elf32_tic6x_section_from_bfd_section
3911 #define elf_backend_relocate_section elf32_tic6x_relocate_section
3912 #define elf_backend_finish_dynamic_symbol \
3913 elf32_tic6x_finish_dynamic_symbol
3914 #define elf_backend_always_size_sections \
3915 elf32_tic6x_always_size_sections
3916 #define elf_backend_size_dynamic_sections \
3917 elf32_tic6x_size_dynamic_sections
3918 #define elf_backend_finish_dynamic_sections \
3919 elf32_tic6x_finish_dynamic_sections
3920 #define elf_info_to_howto elf32_tic6x_info_to_howto
3921 #define elf_info_to_howto_rel elf32_tic6x_info_to_howto_rel
3922
3923 #undef elf_backend_omit_section_dynsym
3924 #define elf_backend_omit_section_dynsym elf32_tic6x_link_omit_section_dynsym
3925 #define elf_backend_plt_sym_val elf32_tic6x_plt_sym_val
3926
3927
3928 #include "elf32-target.h"
GDB Binutils - Deliverables
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