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2011-05-05 Jerome Guitton <guitton@adacore.com>
[thirdparty/binutils-gdb.git] / bfd / elf32-tic6x.c
CommitLineData
40b36596 1/* 32-bit ELF support for TI C6X
ac145307 2 Copyright 2010, 2011
40b36596 3 Free Software Foundation, Inc.
c0621d88
NS		 4 Contributed by Joseph Myers <joseph@codesourcery.com>
5 Bernd Schmidt <bernds@codesourcery.com>
40b36596
JM		 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"
41820509
JM		 30#include "elf32-tic6x.h"
31
ac145307
BS		 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
42struct 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
70struct 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
41820509
JM		 78struct 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)
40b36596 90
ac145307
BS		 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. */
101static asection tic6x_elf_scom_section;
102static asymbol tic6x_elf_scom_symbol;
103static asymbol *tic6x_elf_scom_symbol_ptr;
104
40b36596
JM		 105static 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 */
41820509
JM		 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 */
44e87ece 436 TRUE, /* pc_relative */
41820509
JM		 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 */
44e87ece 444 TRUE), /* pcrel_offset */
41820509
JM		 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 */
ac145307
BS		 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 */
2fbb87f6
PB		 471 HOWTO (R_C6000_EHTYPE, /* type */
472 0, /* rightshift */
473 2, /* size (0 = byte, 1 = short, 2 = long) */
474 32, /* bitsize */
475 FALSE, /* pc_relative */
476 0, /* bitpos */
477 complain_overflow_dont,/* complain_on_overflow */
478 bfd_elf_generic_reloc, /* special_function */
479 "R_C6000_EHTYPE", /* name */
480 FALSE, /* partial_inplace */
481 0, /* src_mask */
482 0xffffffff, /* dst_mask */
483 FALSE), /* pcrel_offset */
41820509
JM		 484 EMPTY_HOWTO (29),
485 EMPTY_HOWTO (30),
486 EMPTY_HOWTO (31),
487 EMPTY_HOWTO (32),
488 EMPTY_HOWTO (33),
489 EMPTY_HOWTO (34),
490 EMPTY_HOWTO (35),
491 EMPTY_HOWTO (36),
492 EMPTY_HOWTO (37),
493 EMPTY_HOWTO (38),
494 EMPTY_HOWTO (39),
495 EMPTY_HOWTO (40),
496 EMPTY_HOWTO (41),
497 EMPTY_HOWTO (42),
498 EMPTY_HOWTO (43),
499 EMPTY_HOWTO (44),
500 EMPTY_HOWTO (45),
501 EMPTY_HOWTO (46),
502 EMPTY_HOWTO (47),
503 EMPTY_HOWTO (48),
504 EMPTY_HOWTO (49),
505 EMPTY_HOWTO (50),
506 EMPTY_HOWTO (51),
507 EMPTY_HOWTO (52),
508 EMPTY_HOWTO (53),
509 EMPTY_HOWTO (54),
510 EMPTY_HOWTO (55),
511 EMPTY_HOWTO (56),
512 EMPTY_HOWTO (57),
513 EMPTY_HOWTO (58),
514 EMPTY_HOWTO (59),
515 EMPTY_HOWTO (60),
516 EMPTY_HOWTO (61),
517 EMPTY_HOWTO (62),
518 EMPTY_HOWTO (63),
519 EMPTY_HOWTO (64),
520 EMPTY_HOWTO (65),
521 EMPTY_HOWTO (66),
522 EMPTY_HOWTO (67),
523 EMPTY_HOWTO (68),
524 EMPTY_HOWTO (69),
525 EMPTY_HOWTO (70),
526 EMPTY_HOWTO (71),
527 EMPTY_HOWTO (72),
528 EMPTY_HOWTO (73),
529 EMPTY_HOWTO (74),
530 EMPTY_HOWTO (75),
531 EMPTY_HOWTO (76),
532 EMPTY_HOWTO (77),
533 EMPTY_HOWTO (78),
534 EMPTY_HOWTO (79),
535 EMPTY_HOWTO (80),
536 EMPTY_HOWTO (81),
537 EMPTY_HOWTO (82),
538 EMPTY_HOWTO (83),
539 EMPTY_HOWTO (84),
540 EMPTY_HOWTO (85),
541 EMPTY_HOWTO (86),
542 EMPTY_HOWTO (87),
543 EMPTY_HOWTO (88),
544 EMPTY_HOWTO (89),
545 EMPTY_HOWTO (90),
546 EMPTY_HOWTO (91),
547 EMPTY_HOWTO (92),
548 EMPTY_HOWTO (93),
549 EMPTY_HOWTO (94),
550 EMPTY_HOWTO (95),
551 EMPTY_HOWTO (96),
552 EMPTY_HOWTO (97),
553 EMPTY_HOWTO (98),
554 EMPTY_HOWTO (99),
555 EMPTY_HOWTO (100),
556 EMPTY_HOWTO (101),
557 EMPTY_HOWTO (102),
558 EMPTY_HOWTO (103),
559 EMPTY_HOWTO (104),
560 EMPTY_HOWTO (105),
561 EMPTY_HOWTO (106),
562 EMPTY_HOWTO (107),
563 EMPTY_HOWTO (108),
564 EMPTY_HOWTO (109),
565 EMPTY_HOWTO (110),
566 EMPTY_HOWTO (111),
567 EMPTY_HOWTO (112),
568 EMPTY_HOWTO (113),
569 EMPTY_HOWTO (114),
570 EMPTY_HOWTO (115),
571 EMPTY_HOWTO (116),
572 EMPTY_HOWTO (117),
573 EMPTY_HOWTO (118),
574 EMPTY_HOWTO (119),
575 EMPTY_HOWTO (120),
576 EMPTY_HOWTO (121),
577 EMPTY_HOWTO (122),
578 EMPTY_HOWTO (123),
579 EMPTY_HOWTO (124),
580 EMPTY_HOWTO (125),
581 EMPTY_HOWTO (126),
582 EMPTY_HOWTO (127),
583 EMPTY_HOWTO (128),
584 EMPTY_HOWTO (129),
585 EMPTY_HOWTO (130),
586 EMPTY_HOWTO (131),
587 EMPTY_HOWTO (132),
588 EMPTY_HOWTO (133),
589 EMPTY_HOWTO (134),
590 EMPTY_HOWTO (135),
591 EMPTY_HOWTO (136),
592 EMPTY_HOWTO (137),
593 EMPTY_HOWTO (138),
594 EMPTY_HOWTO (139),
595 EMPTY_HOWTO (140),
596 EMPTY_HOWTO (141),
597 EMPTY_HOWTO (142),
598 EMPTY_HOWTO (143),
599 EMPTY_HOWTO (144),
600 EMPTY_HOWTO (145),
601 EMPTY_HOWTO (146),
602 EMPTY_HOWTO (147),
603 EMPTY_HOWTO (148),
604 EMPTY_HOWTO (149),
605 EMPTY_HOWTO (150),
606 EMPTY_HOWTO (151),
607 EMPTY_HOWTO (152),
608 EMPTY_HOWTO (153),
609 EMPTY_HOWTO (154),
610 EMPTY_HOWTO (155),
611 EMPTY_HOWTO (156),
612 EMPTY_HOWTO (157),
613 EMPTY_HOWTO (158),
614 EMPTY_HOWTO (159),
615 EMPTY_HOWTO (160),
616 EMPTY_HOWTO (161),
617 EMPTY_HOWTO (162),
618 EMPTY_HOWTO (163),
619 EMPTY_HOWTO (164),
620 EMPTY_HOWTO (165),
621 EMPTY_HOWTO (166),
622 EMPTY_HOWTO (167),
623 EMPTY_HOWTO (168),
624 EMPTY_HOWTO (169),
625 EMPTY_HOWTO (170),
626 EMPTY_HOWTO (171),
627 EMPTY_HOWTO (172),
628 EMPTY_HOWTO (173),
629 EMPTY_HOWTO (174),
630 EMPTY_HOWTO (175),
631 EMPTY_HOWTO (176),
632 EMPTY_HOWTO (177),
633 EMPTY_HOWTO (178),
634 EMPTY_HOWTO (179),
635 EMPTY_HOWTO (180),
636 EMPTY_HOWTO (181),
637 EMPTY_HOWTO (182),
638 EMPTY_HOWTO (183),
639 EMPTY_HOWTO (184),
640 EMPTY_HOWTO (185),
641 EMPTY_HOWTO (186),
642 EMPTY_HOWTO (187),
643 EMPTY_HOWTO (188),
644 EMPTY_HOWTO (189),
645 EMPTY_HOWTO (190),
646 EMPTY_HOWTO (191),
647 EMPTY_HOWTO (192),
648 EMPTY_HOWTO (193),
649 EMPTY_HOWTO (194),
650 EMPTY_HOWTO (195),
651 EMPTY_HOWTO (196),
652 EMPTY_HOWTO (197),
653 EMPTY_HOWTO (198),
654 EMPTY_HOWTO (199),
655 EMPTY_HOWTO (200),
656 EMPTY_HOWTO (201),
657 EMPTY_HOWTO (202),
658 EMPTY_HOWTO (203),
659 EMPTY_HOWTO (204),
660 EMPTY_HOWTO (205),
661 EMPTY_HOWTO (206),
662 EMPTY_HOWTO (207),
663 EMPTY_HOWTO (208),
664 EMPTY_HOWTO (209),
665 EMPTY_HOWTO (210),
666 EMPTY_HOWTO (211),
667 EMPTY_HOWTO (212),
668 EMPTY_HOWTO (213),
669 EMPTY_HOWTO (214),
670 EMPTY_HOWTO (215),
671 EMPTY_HOWTO (216),
672 EMPTY_HOWTO (217),
673 EMPTY_HOWTO (218),
674 EMPTY_HOWTO (219),
675 EMPTY_HOWTO (220),
676 EMPTY_HOWTO (221),
677 EMPTY_HOWTO (222),
678 EMPTY_HOWTO (223),
679 EMPTY_HOWTO (224),
680 EMPTY_HOWTO (225),
681 EMPTY_HOWTO (226),
682 EMPTY_HOWTO (227),
683 EMPTY_HOWTO (228),
684 EMPTY_HOWTO (229),
685 EMPTY_HOWTO (230),
686 EMPTY_HOWTO (231),
687 EMPTY_HOWTO (232),
688 EMPTY_HOWTO (233),
689 EMPTY_HOWTO (234),
690 EMPTY_HOWTO (235),
691 EMPTY_HOWTO (236),
692 EMPTY_HOWTO (237),
693 EMPTY_HOWTO (238),
694 EMPTY_HOWTO (239),
695 EMPTY_HOWTO (240),
696 EMPTY_HOWTO (241),
697 EMPTY_HOWTO (242),
698 EMPTY_HOWTO (243),
699 EMPTY_HOWTO (244),
700 EMPTY_HOWTO (245),
701 EMPTY_HOWTO (246),
702 EMPTY_HOWTO (247),
703 EMPTY_HOWTO (248),
704 EMPTY_HOWTO (249),
705 EMPTY_HOWTO (250),
706 EMPTY_HOWTO (251),
707 EMPTY_HOWTO (252),
708 HOWTO (R_C6000_ALIGN, /* type */
709 0, /* rightshift */
710 0, /* size (0 = byte, 1 = short, 2 = long) */
711 0, /* bitsize */
712 FALSE, /* pc_relative */
713 0, /* bitpos */
714 complain_overflow_dont,/* complain_on_overflow */
715 bfd_elf_generic_reloc, /* special_function */
716 "R_C6000_ALIGN", /* name */
717 FALSE, /* partial_inplace */
718 0, /* src_mask */
719 0, /* dst_mask */
720 FALSE), /* pcrel_offset */
721 HOWTO (R_C6000_FPHEAD, /* type */
722 0, /* rightshift */
723 0, /* size (0 = byte, 1 = short, 2 = long) */
724 0, /* bitsize */
725 FALSE, /* pc_relative */
726 0, /* bitpos */
727 complain_overflow_dont,/* complain_on_overflow */
728 bfd_elf_generic_reloc, /* special_function */
729 "R_C6000_FPHEAD", /* name */
730 FALSE, /* partial_inplace */
731 0, /* src_mask */
732 0, /* dst_mask */
733 FALSE), /* pcrel_offset */
734 HOWTO (R_C6000_NOCMP, /* type */
735 0, /* rightshift */
736 0, /* size (0 = byte, 1 = short, 2 = long) */
737 0, /* bitsize */
738 FALSE, /* pc_relative */
739 0, /* bitpos */
740 complain_overflow_dont,/* complain_on_overflow */
741 bfd_elf_generic_reloc, /* special_function */
742 "R_C6000_NOCMP", /* name */
743 FALSE, /* partial_inplace */
744 0, /* src_mask */
745 0, /* dst_mask */
746 FALSE) /* pcrel_offset */
747};
748
749static reloc_howto_type elf32_tic6x_howto_table_rel[] =
750{
751 HOWTO (R_C6000_NONE, /* type */
752 0, /* rightshift */
753 0, /* size (0 = byte, 1 = short, 2 = long) */
754 0, /* bitsize */
755 FALSE, /* pc_relative */
756 0, /* bitpos */
757 complain_overflow_dont,/* complain_on_overflow */
758 bfd_elf_generic_reloc, /* special_function */
759 "R_C6000_NONE", /* name */
760 TRUE, /* partial_inplace */
40b36596
JM		 761 0, /* src_mask */
762 0, /* dst_mask */
763 FALSE), /* pcrel_offset */
764 HOWTO (R_C6000_ABS32, /* type */
765 0, /* rightshift */
766 2, /* size (0 = byte, 1 = short, 2 = long) */
767 32, /* bitsize */
768 FALSE, /* pc_relative */
769 0, /* bitpos */
770 complain_overflow_dont,/* complain_on_overflow */
771 bfd_elf_generic_reloc, /* special_function */
772 "R_C6000_ABS32", /* name */
41820509
JM		 773 TRUE, /* partial_inplace */
774 0xffffffff, /* src_mask */
40b36596
JM		 775 0xffffffff, /* dst_mask */
776 FALSE), /* pcrel_offset */
777 HOWTO (R_C6000_ABS16, /* type */
778 0, /* rightshift */
779 1, /* size (0 = byte, 1 = short, 2 = long) */
780 16, /* bitsize */
781 FALSE, /* pc_relative */
782 0, /* bitpos */
783 complain_overflow_bitfield,/* complain_on_overflow */
784 bfd_elf_generic_reloc, /* special_function */
785 "R_C6000_ABS16", /* name */
41820509
JM		 786 TRUE, /* partial_inplace */
787 0x0000ffff, /* src_mask */
40b36596
JM		 788 0x0000ffff, /* dst_mask */
789 FALSE), /* pcrel_offset */
790 HOWTO (R_C6000_ABS8, /* type */
791 0, /* rightshift */
792 0, /* size (0 = byte, 1 = short, 2 = long) */
793 8, /* bitsize */
794 FALSE, /* pc_relative */
795 0, /* bitpos */
796 complain_overflow_bitfield,/* complain_on_overflow */
797 bfd_elf_generic_reloc, /* special_function */
798 "R_C6000_ABS8", /* name */
41820509
JM		 799 TRUE, /* partial_inplace */
800 0x000000ff, /* src_mask */
40b36596
JM		 801 0x000000ff, /* dst_mask */
802 FALSE), /* pcrel_offset */
803 HOWTO (R_C6000_PCR_S21, /* type */
804 2, /* rightshift */
805 2, /* size (0 = byte, 1 = short, 2 = long) */
806 21, /* bitsize */
807 TRUE, /* pc_relative */
808 7, /* bitpos */
809 complain_overflow_signed,/* complain_on_overflow */
810 bfd_elf_generic_reloc, /* special_function */
811 "R_C6000_PCR_S21", /* name */
41820509
JM		 812 TRUE, /* partial_inplace */
813 0x0fffff80, /* src_mask */
40b36596
JM		 814 0x0fffff80, /* dst_mask */
815 TRUE), /* pcrel_offset */
816 HOWTO (R_C6000_PCR_S12, /* type */
817 2, /* rightshift */
818 2, /* size (0 = byte, 1 = short, 2 = long) */
819 12, /* bitsize */
820 TRUE, /* pc_relative */
821 16, /* bitpos */
822 complain_overflow_signed,/* complain_on_overflow */
823 bfd_elf_generic_reloc, /* special_function */
824 "R_C6000_PCR_S12", /* name */
41820509
JM		 825 TRUE, /* partial_inplace */
826 0x0fff0000, /* src_mask */
40b36596
JM		 827 0x0fff0000, /* dst_mask */
828 TRUE), /* pcrel_offset */
829 HOWTO (R_C6000_PCR_S10, /* type */
830 2, /* rightshift */
831 2, /* size (0 = byte, 1 = short, 2 = long) */
832 10, /* bitsize */
833 TRUE, /* pc_relative */
834 13, /* bitpos */
835 complain_overflow_signed,/* complain_on_overflow */
836 bfd_elf_generic_reloc, /* special_function */
837 "R_C6000_PCR_S10", /* name */
41820509
JM		 838 TRUE, /* partial_inplace */
839 0x007fe000, /* src_mask */
40b36596
JM		 840 0x007fe000, /* dst_mask */
841 TRUE), /* pcrel_offset */
842 HOWTO (R_C6000_PCR_S7, /* type */
843 2, /* rightshift */
844 2, /* size (0 = byte, 1 = short, 2 = long) */
845 7, /* bitsize */
846 TRUE, /* pc_relative */
847 16, /* bitpos */
848 complain_overflow_signed,/* complain_on_overflow */
849 bfd_elf_generic_reloc, /* special_function */
850 "R_C6000_PCR_S7", /* name */
41820509
JM		 851 TRUE, /* partial_inplace */
852 0x007f0000, /* src_mask */
40b36596
JM		 853 0x007f0000, /* dst_mask */
854 TRUE), /* pcrel_offset */
855 HOWTO (R_C6000_ABS_S16, /* type */
856 0, /* rightshift */
857 2, /* size (0 = byte, 1 = short, 2 = long) */
858 16, /* bitsize */
859 FALSE, /* pc_relative */
860 7, /* bitpos */
861 complain_overflow_signed,/* complain_on_overflow */
862 bfd_elf_generic_reloc, /* special_function */
863 "R_C6000_ABS_S16", /* name */
41820509
JM		 864 TRUE, /* partial_inplace */
865 0x007fff80, /* src_mask */
40b36596
JM		 866 0x007fff80, /* dst_mask */
867 FALSE), /* pcrel_offset */
868 HOWTO (R_C6000_ABS_L16, /* type */
869 0, /* rightshift */
870 2, /* size (0 = byte, 1 = short, 2 = long) */
871 16, /* bitsize */
872 FALSE, /* pc_relative */
873 7, /* bitpos */
874 complain_overflow_dont,/* complain_on_overflow */
875 bfd_elf_generic_reloc, /* special_function */
876 "R_C6000_ABS_L16", /* name */
41820509
JM		 877 TRUE, /* partial_inplace */
878 0x007fff80, /* src_mask */
40b36596
JM		 879 0x007fff80, /* dst_mask */
880 FALSE), /* pcrel_offset */
41820509 881 EMPTY_HOWTO (R_C6000_ABS_H16),
40b36596
JM		 882 HOWTO (R_C6000_SBR_U15_B, /* type */
883 0, /* rightshift */
884 2, /* size (0 = byte, 1 = short, 2 = long) */
885 15, /* bitsize */
886 FALSE, /* pc_relative */
887 8, /* bitpos */
888 complain_overflow_unsigned,/* complain_on_overflow */
889 bfd_elf_generic_reloc, /* special_function */
890 "R_C6000_SBR_U15_B", /* name */
41820509
JM		 891 TRUE, /* partial_inplace */
892 0x007fff00, /* src_mask */
40b36596
JM		 893 0x007fff00, /* dst_mask */
894 FALSE), /* pcrel_offset */
895 HOWTO (R_C6000_SBR_U15_H, /* type */
896 1, /* rightshift */
897 2, /* size (0 = byte, 1 = short, 2 = long) */
898 15, /* bitsize */
899 FALSE, /* pc_relative */
900 8, /* bitpos */
901 complain_overflow_unsigned,/* complain_on_overflow */
902 bfd_elf_generic_reloc, /* special_function */
903 "R_C6000_SBR_U15_H", /* name */
41820509
JM		 904 TRUE, /* partial_inplace */
905 0x007fff00, /* src_mask */
40b36596
JM		 906 0x007fff00, /* dst_mask */
907 FALSE), /* pcrel_offset */
908 HOWTO (R_C6000_SBR_U15_W, /* type */
909 2, /* rightshift */
910 2, /* size (0 = byte, 1 = short, 2 = long) */
911 15, /* bitsize */
912 FALSE, /* pc_relative */
913 8, /* bitpos */
914 complain_overflow_unsigned,/* complain_on_overflow */
915 bfd_elf_generic_reloc, /* special_function */
916 "R_C6000_SBR_U15_W", /* name */
41820509
JM		 917 TRUE, /* partial_inplace */
918 0x007fff00, /* src_mask */
40b36596
JM		 919 0x007fff00, /* dst_mask */
920 FALSE), /* pcrel_offset */
921 HOWTO (R_C6000_SBR_S16, /* type */
922 0, /* rightshift */
923 2, /* size (0 = byte, 1 = short, 2 = long) */
924 16, /* bitsize */
925 FALSE, /* pc_relative */
926 7, /* bitpos */
927 complain_overflow_signed,/* complain_on_overflow */
928 bfd_elf_generic_reloc, /* special_function */
929 "R_C6000_SBR_S16", /* name */
41820509
JM		 930 TRUE, /* partial_inplace */
931 0x007fff80, /* src_mask */
40b36596
JM		 932 0x007fff80, /* dst_mask */
933 FALSE), /* pcrel_offset */
934 HOWTO (R_C6000_SBR_L16_B, /* type */
935 0, /* rightshift */
936 2, /* size (0 = byte, 1 = short, 2 = long) */
937 16, /* bitsize */
938 FALSE, /* pc_relative */
939 7, /* bitpos */
940 complain_overflow_dont,/* complain_on_overflow */
941 bfd_elf_generic_reloc, /* special_function */
942 "R_C6000_SBR_L16_B", /* name */
41820509
JM		 943 TRUE, /* partial_inplace */
944 0x007fff80, /* src_mask */
40b36596
JM		 945 0x007fff80, /* dst_mask */
946 FALSE), /* pcrel_offset */
947 HOWTO (R_C6000_SBR_L16_H, /* type */
948 1, /* rightshift */
949 2, /* size (0 = byte, 1 = short, 2 = long) */
950 16, /* bitsize */
951 FALSE, /* pc_relative */
952 7, /* bitpos */
953 complain_overflow_dont,/* complain_on_overflow */
954 bfd_elf_generic_reloc, /* special_function */
955 "R_C6000_SBR_L16_H", /* name */
41820509
JM		 956 TRUE, /* partial_inplace */
957 0x007fff80, /* src_mask */
40b36596
JM		 958 0x007fff80, /* dst_mask */
959 FALSE), /* pcrel_offset */
960 HOWTO (R_C6000_SBR_L16_W, /* type */
961 2, /* rightshift */
962 2, /* size (0 = byte, 1 = short, 2 = long) */
963 16, /* bitsize */
964 FALSE, /* pc_relative */
965 7, /* bitpos */
966 complain_overflow_dont,/* complain_on_overflow */
967 bfd_elf_generic_reloc, /* special_function */
968 "R_C6000_SBR_L16_W", /* name */
41820509
JM		 969 TRUE, /* partial_inplace */
970 0x007fff80, /* src_mask */
40b36596
JM		 971 0x007fff80, /* dst_mask */
972 FALSE), /* pcrel_offset */
41820509
JM		 973 EMPTY_HOWTO (R_C6000_SBR_H16_B),
974 EMPTY_HOWTO (R_C6000_SBR_H16_H),
975 EMPTY_HOWTO (R_C6000_SBR_H16_W),
40b36596
JM		 976 HOWTO (R_C6000_SBR_GOT_U15_W, /* type */
977 2, /* rightshift */
978 2, /* size (0 = byte, 1 = short, 2 = long) */
979 15, /* bitsize */
980 FALSE, /* pc_relative */
981 8, /* bitpos */
982 complain_overflow_unsigned,/* complain_on_overflow */
983 bfd_elf_generic_reloc, /* special_function */
984 "R_C6000_SBR_GOT_U15_W",/* name */
41820509
JM		 985 TRUE, /* partial_inplace */
986 0x007fff00, /* src_mask */
40b36596
JM		 987 0x007fff00, /* dst_mask */
988 FALSE), /* pcrel_offset */
989 HOWTO (R_C6000_SBR_GOT_L16_W, /* type */
990 2, /* rightshift */
991 2, /* size (0 = byte, 1 = short, 2 = long) */
992 16, /* bitsize */
993 FALSE, /* pc_relative */
994 7, /* bitpos */
995 complain_overflow_dont,/* complain_on_overflow */
996 bfd_elf_generic_reloc, /* special_function */
997 "R_C6000_SBR_GOT_L16_W",/* name */
41820509
JM		 998 TRUE, /* partial_inplace */
999 0x007fff80, /* src_mask */
40b36596
JM		 1000 0x007fff80, /* dst_mask */
1001 FALSE), /* pcrel_offset */
41820509 1002 EMPTY_HOWTO (R_C6000_SBR_GOT_H16_W),
40b36596
JM		 1003 HOWTO (R_C6000_DSBT_INDEX, /* type */
1004 0, /* rightshift */
1005 2, /* size (0 = byte, 1 = short, 2 = long) */
1006 15, /* bitsize */
1007 FALSE, /* pc_relative */
1008 8, /* bitpos */
1009 complain_overflow_unsigned,/* complain_on_overflow */
1010 bfd_elf_generic_reloc, /* special_function */
1011 "R_C6000_DSBT_INDEX", /* name */
41820509 1012 TRUE, /* partial_inplace */
40b36596
JM		 1013 0, /* src_mask */
1014 0x007fff00, /* dst_mask */
1015 FALSE), /* pcrel_offset */
1016 HOWTO (R_C6000_PREL31, /* type */
1017 1, /* rightshift */
1018 2, /* size (0 = byte, 1 = short, 2 = long) */
1019 31, /* bitsize */
44e87ece 1020 TRUE, /* pc_relative */
40b36596
JM		 1021 0, /* bitpos */
1022 complain_overflow_dont,/* complain_on_overflow */
1023 bfd_elf_generic_reloc, /* special_function */
1024 "R_C6000_PREL31", /* name */
41820509 1025 TRUE, /* partial_inplace */
40b36596
JM		 1026 0, /* src_mask */
1027 0x7fffffff, /* dst_mask */
44e87ece 1028 TRUE), /* pcrel_offset */
40b36596
JM		 1029 HOWTO (R_C6000_COPY, /* type */
1030 0, /* rightshift */
1031 2, /* size (0 = byte, 1 = short, 2 = long) */
1032 32, /* bitsize */
1033 FALSE, /* pc_relative */
1034 0, /* bitpos */
1035 complain_overflow_dont,/* complain_on_overflow */
1036 bfd_elf_generic_reloc, /* special_function */
1037 "R_C6000_COPY", /* name */
41820509 1038 TRUE, /* partial_inplace */
40b36596
JM		 1039 0, /* src_mask */
1040 0xffffffff, /* dst_mask */
1041 FALSE), /* pcrel_offset */
ac145307
BS		 1042 HOWTO (R_C6000_JUMP_SLOT, /* type */
1043 0, /* rightshift */
1044 2, /* size (0 = byte, 1 = short, 2 = long) */
1045 32, /* bitsize */
1046 FALSE, /* pc_relative */
1047 0, /* bitpos */
1048 complain_overflow_dont,/* complain_on_overflow */
1049 bfd_elf_generic_reloc, /* special_function */
1050 "R_C6000_JUMP_SLOT", /* name */
1051 FALSE, /* partial_inplace */
1052 0, /* src_mask */
1053 0xffffffff, /* dst_mask */
1054 FALSE), /* pcrel_offset */
2fbb87f6
PB		 1055 HOWTO (R_C6000_EHTYPE, /* type */
1056 0, /* rightshift */
1057 2, /* size (0 = byte, 1 = short, 2 = long) */
1058 32, /* bitsize */
1059 FALSE, /* pc_relative */
1060 0, /* bitpos */
1061 complain_overflow_dont,/* complain_on_overflow */
1062 bfd_elf_generic_reloc, /* special_function */
1063 "R_C6000_EHTYPE", /* name */
1064 FALSE, /* partial_inplace */
1065 0, /* src_mask */
1066 0xffffffff, /* dst_mask */
1067 FALSE), /* pcrel_offset */
40b36596
JM		 1068 EMPTY_HOWTO (29),
1069 EMPTY_HOWTO (30),
1070 EMPTY_HOWTO (31),
1071 EMPTY_HOWTO (32),
1072 EMPTY_HOWTO (33),
1073 EMPTY_HOWTO (34),
1074 EMPTY_HOWTO (35),
1075 EMPTY_HOWTO (36),
1076 EMPTY_HOWTO (37),
1077 EMPTY_HOWTO (38),
1078 EMPTY_HOWTO (39),
1079 EMPTY_HOWTO (40),
1080 EMPTY_HOWTO (41),
1081 EMPTY_HOWTO (42),
1082 EMPTY_HOWTO (43),
1083 EMPTY_HOWTO (44),
1084 EMPTY_HOWTO (45),
1085 EMPTY_HOWTO (46),
1086 EMPTY_HOWTO (47),
1087 EMPTY_HOWTO (48),
1088 EMPTY_HOWTO (49),
1089 EMPTY_HOWTO (50),
1090 EMPTY_HOWTO (51),
1091 EMPTY_HOWTO (52),
1092 EMPTY_HOWTO (53),
1093 EMPTY_HOWTO (54),
1094 EMPTY_HOWTO (55),
1095 EMPTY_HOWTO (56),
1096 EMPTY_HOWTO (57),
1097 EMPTY_HOWTO (58),
1098 EMPTY_HOWTO (59),
1099 EMPTY_HOWTO (60),
1100 EMPTY_HOWTO (61),
1101 EMPTY_HOWTO (62),
1102 EMPTY_HOWTO (63),
1103 EMPTY_HOWTO (64),
1104 EMPTY_HOWTO (65),
1105 EMPTY_HOWTO (66),
1106 EMPTY_HOWTO (67),
1107 EMPTY_HOWTO (68),
1108 EMPTY_HOWTO (69),
1109 EMPTY_HOWTO (70),
1110 EMPTY_HOWTO (71),
1111 EMPTY_HOWTO (72),
1112 EMPTY_HOWTO (73),
1113 EMPTY_HOWTO (74),
1114 EMPTY_HOWTO (75),
1115 EMPTY_HOWTO (76),
1116 EMPTY_HOWTO (77),
1117 EMPTY_HOWTO (78),
1118 EMPTY_HOWTO (79),
1119 EMPTY_HOWTO (80),
1120 EMPTY_HOWTO (81),
1121 EMPTY_HOWTO (82),
1122 EMPTY_HOWTO (83),
1123 EMPTY_HOWTO (84),
1124 EMPTY_HOWTO (85),
1125 EMPTY_HOWTO (86),
1126 EMPTY_HOWTO (87),
1127 EMPTY_HOWTO (88),
1128 EMPTY_HOWTO (89),
1129 EMPTY_HOWTO (90),
1130 EMPTY_HOWTO (91),
1131 EMPTY_HOWTO (92),
1132 EMPTY_HOWTO (93),
1133 EMPTY_HOWTO (94),
1134 EMPTY_HOWTO (95),
1135 EMPTY_HOWTO (96),
1136 EMPTY_HOWTO (97),
1137 EMPTY_HOWTO (98),
1138 EMPTY_HOWTO (99),
1139 EMPTY_HOWTO (100),
1140 EMPTY_HOWTO (101),
1141 EMPTY_HOWTO (102),
1142 EMPTY_HOWTO (103),
1143 EMPTY_HOWTO (104),
1144 EMPTY_HOWTO (105),
1145 EMPTY_HOWTO (106),
1146 EMPTY_HOWTO (107),
1147 EMPTY_HOWTO (108),
1148 EMPTY_HOWTO (109),
1149 EMPTY_HOWTO (110),
1150 EMPTY_HOWTO (111),
1151 EMPTY_HOWTO (112),
1152 EMPTY_HOWTO (113),
1153 EMPTY_HOWTO (114),
1154 EMPTY_HOWTO (115),
1155 EMPTY_HOWTO (116),
1156 EMPTY_HOWTO (117),
1157 EMPTY_HOWTO (118),
1158 EMPTY_HOWTO (119),
1159 EMPTY_HOWTO (120),
1160 EMPTY_HOWTO (121),
1161 EMPTY_HOWTO (122),
1162 EMPTY_HOWTO (123),
1163 EMPTY_HOWTO (124),
1164 EMPTY_HOWTO (125),
1165 EMPTY_HOWTO (126),
1166 EMPTY_HOWTO (127),
1167 EMPTY_HOWTO (128),
1168 EMPTY_HOWTO (129),
1169 EMPTY_HOWTO (130),
1170 EMPTY_HOWTO (131),
1171 EMPTY_HOWTO (132),
1172 EMPTY_HOWTO (133),
1173 EMPTY_HOWTO (134),
1174 EMPTY_HOWTO (135),
1175 EMPTY_HOWTO (136),
1176 EMPTY_HOWTO (137),
1177 EMPTY_HOWTO (138),
1178 EMPTY_HOWTO (139),
1179 EMPTY_HOWTO (140),
1180 EMPTY_HOWTO (141),
1181 EMPTY_HOWTO (142),
1182 EMPTY_HOWTO (143),
1183 EMPTY_HOWTO (144),
1184 EMPTY_HOWTO (145),
1185 EMPTY_HOWTO (146),
1186 EMPTY_HOWTO (147),
1187 EMPTY_HOWTO (148),
1188 EMPTY_HOWTO (149),
1189 EMPTY_HOWTO (150),
1190 EMPTY_HOWTO (151),
1191 EMPTY_HOWTO (152),
1192 EMPTY_HOWTO (153),
1193 EMPTY_HOWTO (154),
1194 EMPTY_HOWTO (155),
1195 EMPTY_HOWTO (156),
1196 EMPTY_HOWTO (157),
1197 EMPTY_HOWTO (158),
1198 EMPTY_HOWTO (159),
1199 EMPTY_HOWTO (160),
1200 EMPTY_HOWTO (161),
1201 EMPTY_HOWTO (162),
1202 EMPTY_HOWTO (163),
1203 EMPTY_HOWTO (164),
1204 EMPTY_HOWTO (165),
1205 EMPTY_HOWTO (166),
1206 EMPTY_HOWTO (167),
1207 EMPTY_HOWTO (168),
1208 EMPTY_HOWTO (169),
1209 EMPTY_HOWTO (170),
1210 EMPTY_HOWTO (171),
1211 EMPTY_HOWTO (172),
1212 EMPTY_HOWTO (173),
1213 EMPTY_HOWTO (174),
1214 EMPTY_HOWTO (175),
1215 EMPTY_HOWTO (176),
1216 EMPTY_HOWTO (177),
1217 EMPTY_HOWTO (178),
1218 EMPTY_HOWTO (179),
1219 EMPTY_HOWTO (180),
1220 EMPTY_HOWTO (181),
1221 EMPTY_HOWTO (182),
1222 EMPTY_HOWTO (183),
1223 EMPTY_HOWTO (184),
1224 EMPTY_HOWTO (185),
1225 EMPTY_HOWTO (186),
1226 EMPTY_HOWTO (187),
1227 EMPTY_HOWTO (188),
1228 EMPTY_HOWTO (189),
1229 EMPTY_HOWTO (190),
1230 EMPTY_HOWTO (191),
1231 EMPTY_HOWTO (192),
1232 EMPTY_HOWTO (193),
1233 EMPTY_HOWTO (194),
1234 EMPTY_HOWTO (195),
1235 EMPTY_HOWTO (196),
1236 EMPTY_HOWTO (197),
1237 EMPTY_HOWTO (198),
1238 EMPTY_HOWTO (199),
1239 EMPTY_HOWTO (200),
1240 EMPTY_HOWTO (201),
1241 EMPTY_HOWTO (202),
1242 EMPTY_HOWTO (203),
1243 EMPTY_HOWTO (204),
1244 EMPTY_HOWTO (205),
1245 EMPTY_HOWTO (206),
1246 EMPTY_HOWTO (207),
1247 EMPTY_HOWTO (208),
1248 EMPTY_HOWTO (209),
1249 EMPTY_HOWTO (210),
1250 EMPTY_HOWTO (211),
1251 EMPTY_HOWTO (212),
1252 EMPTY_HOWTO (213),
1253 EMPTY_HOWTO (214),
1254 EMPTY_HOWTO (215),
1255 EMPTY_HOWTO (216),
1256 EMPTY_HOWTO (217),
1257 EMPTY_HOWTO (218),
1258 EMPTY_HOWTO (219),
1259 EMPTY_HOWTO (220),
1260 EMPTY_HOWTO (221),
1261 EMPTY_HOWTO (222),
1262 EMPTY_HOWTO (223),
1263 EMPTY_HOWTO (224),
1264 EMPTY_HOWTO (225),
1265 EMPTY_HOWTO (226),
1266 EMPTY_HOWTO (227),
1267 EMPTY_HOWTO (228),
1268 EMPTY_HOWTO (229),
1269 EMPTY_HOWTO (230),
1270 EMPTY_HOWTO (231),
1271 EMPTY_HOWTO (232),
1272 EMPTY_HOWTO (233),
1273 EMPTY_HOWTO (234),
1274 EMPTY_HOWTO (235),
1275 EMPTY_HOWTO (236),
1276 EMPTY_HOWTO (237),
1277 EMPTY_HOWTO (238),
1278 EMPTY_HOWTO (239),
1279 EMPTY_HOWTO (240),
1280 EMPTY_HOWTO (241),
1281 EMPTY_HOWTO (242),
1282 EMPTY_HOWTO (243),
1283 EMPTY_HOWTO (244),
1284 EMPTY_HOWTO (245),
1285 EMPTY_HOWTO (246),
1286 EMPTY_HOWTO (247),
1287 EMPTY_HOWTO (248),
1288 EMPTY_HOWTO (249),
1289 EMPTY_HOWTO (250),
1290 EMPTY_HOWTO (251),
1291 EMPTY_HOWTO (252),
1292 HOWTO (R_C6000_ALIGN, /* type */
1293 0, /* rightshift */
1294 0, /* size (0 = byte, 1 = short, 2 = long) */
1295 0, /* bitsize */
1296 FALSE, /* pc_relative */
1297 0, /* bitpos */
1298 complain_overflow_dont,/* complain_on_overflow */
1299 bfd_elf_generic_reloc, /* special_function */
1300 "R_C6000_ALIGN", /* name */
41820509 1301 TRUE, /* partial_inplace */
40b36596
JM		 1302 0, /* src_mask */
1303 0, /* dst_mask */
1304 FALSE), /* pcrel_offset */
1305 HOWTO (R_C6000_FPHEAD, /* type */
1306 0, /* rightshift */
1307 0, /* size (0 = byte, 1 = short, 2 = long) */
1308 0, /* bitsize */
1309 FALSE, /* pc_relative */
1310 0, /* bitpos */
1311 complain_overflow_dont,/* complain_on_overflow */
1312 bfd_elf_generic_reloc, /* special_function */
1313 "R_C6000_FPHEAD", /* name */
41820509 1314 TRUE, /* partial_inplace */
40b36596
JM		 1315 0, /* src_mask */
1316 0, /* dst_mask */
1317 FALSE), /* pcrel_offset */
1318 HOWTO (R_C6000_NOCMP, /* type */
1319 0, /* rightshift */
1320 0, /* size (0 = byte, 1 = short, 2 = long) */
1321 0, /* bitsize */
1322 FALSE, /* pc_relative */
1323 0, /* bitpos */
1324 complain_overflow_dont,/* complain_on_overflow */
1325 bfd_elf_generic_reloc, /* special_function */
1326 "R_C6000_NOCMP", /* name */
41820509 1327 TRUE, /* partial_inplace */
40b36596
JM		 1328 0, /* src_mask */
1329 0, /* dst_mask */
1330 FALSE) /* pcrel_offset */
1331};
1332
1333/* Map BFD relocations to ELF relocations. */
1334
1335typedef struct
1336{
1337 bfd_reloc_code_real_type bfd_reloc_val;
1338 enum elf_tic6x_reloc_type elf_reloc_val;
1339} tic6x_reloc_map;
1340
1341static const tic6x_reloc_map elf32_tic6x_reloc_map[] =
1342 {
1343 { BFD_RELOC_NONE, R_C6000_NONE },
1344 { BFD_RELOC_32, R_C6000_ABS32 },
1345 { BFD_RELOC_16, R_C6000_ABS16 },
1346 { BFD_RELOC_8, R_C6000_ABS8 },
1347 { BFD_RELOC_C6000_PCR_S21, R_C6000_PCR_S21 },
1348 { BFD_RELOC_C6000_PCR_S12, R_C6000_PCR_S12 },
1349 { BFD_RELOC_C6000_PCR_S10, R_C6000_PCR_S10 },
1350 { BFD_RELOC_C6000_PCR_S7, R_C6000_PCR_S7 },
1351 { BFD_RELOC_C6000_ABS_S16, R_C6000_ABS_S16 },
1352 { BFD_RELOC_C6000_ABS_L16, R_C6000_ABS_L16 },
1353 { BFD_RELOC_C6000_ABS_H16, R_C6000_ABS_H16 },
1354 { BFD_RELOC_C6000_SBR_U15_B, R_C6000_SBR_U15_B },
1355 { BFD_RELOC_C6000_SBR_U15_H, R_C6000_SBR_U15_H },
1356 { BFD_RELOC_C6000_SBR_U15_W, R_C6000_SBR_U15_W },
1357 { BFD_RELOC_C6000_SBR_S16, R_C6000_SBR_S16 },
1358 { BFD_RELOC_C6000_SBR_L16_B, R_C6000_SBR_L16_B },
1359 { BFD_RELOC_C6000_SBR_L16_H, R_C6000_SBR_L16_H },
1360 { BFD_RELOC_C6000_SBR_L16_W, R_C6000_SBR_L16_W },
1361 { BFD_RELOC_C6000_SBR_H16_B, R_C6000_SBR_H16_B },
1362 { BFD_RELOC_C6000_SBR_H16_H, R_C6000_SBR_H16_H },
1363 { BFD_RELOC_C6000_SBR_H16_W, R_C6000_SBR_H16_W },
1364 { BFD_RELOC_C6000_SBR_GOT_U15_W, R_C6000_SBR_GOT_U15_W },
1365 { BFD_RELOC_C6000_SBR_GOT_L16_W, R_C6000_SBR_GOT_L16_W },
1366 { BFD_RELOC_C6000_SBR_GOT_H16_W, R_C6000_SBR_GOT_H16_W },
1367 { BFD_RELOC_C6000_DSBT_INDEX, R_C6000_DSBT_INDEX },
1368 { BFD_RELOC_C6000_PREL31, R_C6000_PREL31 },
1369 { BFD_RELOC_C6000_COPY, R_C6000_COPY },
ac145307
BS		 1370 { BFD_RELOC_C6000_JUMP_SLOT, R_C6000_JUMP_SLOT },
1371 { BFD_RELOC_C6000_EHTYPE, R_C6000_EHTYPE },
1372 { BFD_RELOC_C6000_PCR_H16, R_C6000_PCR_H16 },
1373 { BFD_RELOC_C6000_PCR_L16, R_C6000_PCR_L16 },
40b36596
JM		 1374 { BFD_RELOC_C6000_ALIGN, R_C6000_ALIGN },
1375 { BFD_RELOC_C6000_FPHEAD, R_C6000_FPHEAD },
1376 { BFD_RELOC_C6000_NOCMP, R_C6000_NOCMP }
1377 };
1378
1379static reloc_howto_type *
41820509 1380elf32_tic6x_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code)
40b36596
JM		 1381{
1382 unsigned int i;
1383
1384 for (i = 0; i < ARRAY_SIZE (elf32_tic6x_reloc_map); i++)
1385 if (elf32_tic6x_reloc_map[i].bfd_reloc_val == code)
41820509
JM		 1386 {
1387 enum elf_tic6x_reloc_type elf_reloc_val;
1388 reloc_howto_type *howto;
1389
1390 elf_reloc_val = elf32_tic6x_reloc_map[i].elf_reloc_val;
1391 if (elf32_tic6x_tdata (abfd)->use_rela_p)
1392 howto = &elf32_tic6x_howto_table[elf_reloc_val];
1393 else
1394 howto = &elf32_tic6x_howto_table_rel[elf_reloc_val];
1395
1396 /* Some relocations are RELA-only; do not return them for
1397 REL. */
1398 if (howto->name == NULL)
1399 howto = NULL;
1400
1401 return howto;
1402 }
40b36596
JM		 1403
1404 return NULL;
1405}
1406
1407static reloc_howto_type *
41820509 1408elf32_tic6x_reloc_name_lookup (bfd *abfd, const char *r_name)
40b36596 1409{
41820509
JM		 1410 if (elf32_tic6x_tdata (abfd)->use_rela_p)
1411 {
1412 unsigned int i;
1413
1414 for (i = 0; i < ARRAY_SIZE (elf32_tic6x_howto_table); i++)
1415 if (elf32_tic6x_howto_table[i].name != NULL
1416 && strcasecmp (elf32_tic6x_howto_table[i].name, r_name) == 0)
1417 return &elf32_tic6x_howto_table[i];
1418 }
1419 else
1420 {
1421 unsigned int i;
40b36596 1422
41820509
JM		 1423 for (i = 0; i < ARRAY_SIZE (elf32_tic6x_howto_table_rel); i++)
1424 if (elf32_tic6x_howto_table_rel[i].name != NULL
1425 && strcasecmp (elf32_tic6x_howto_table_rel[i].name, r_name) == 0)
1426 return &elf32_tic6x_howto_table_rel[i];
1427 }
40b36596
JM		 1428
1429 return NULL;
1430}
1431
1432static void
1433elf32_tic6x_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *bfd_reloc,
1434 Elf_Internal_Rela *elf_reloc)
1435{
1436 unsigned int r_type;
1437
1438 r_type = ELF32_R_TYPE (elf_reloc->r_info);
1439 if (r_type >= ARRAY_SIZE (elf32_tic6x_howto_table))
1440 bfd_reloc->howto = NULL;
1441 else
1442 bfd_reloc->howto = &elf32_tic6x_howto_table[r_type];
1443}
1444
41820509
JM		 1445static void
1446elf32_tic6x_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED, arelent *bfd_reloc,
1447 Elf_Internal_Rela *elf_reloc)
1448{
1449 unsigned int r_type;
1450
1451 r_type = ELF32_R_TYPE (elf_reloc->r_info);
1452 if (r_type >= ARRAY_SIZE (elf32_tic6x_howto_table_rel))
1453 bfd_reloc->howto = NULL;
1454 else
1455 bfd_reloc->howto = &elf32_tic6x_howto_table_rel[r_type];
1456}
1457
1458void
1459elf32_tic6x_set_use_rela_p (bfd *abfd, bfd_boolean use_rela_p)
1460{
1461 elf32_tic6x_tdata (abfd)->use_rela_p = use_rela_p;
1462}
1463
ac145307
BS		 1464/* Create an entry in a C6X ELF linker hash table. */
1465
1466static struct bfd_hash_entry *
1467elf32_tic6x_link_hash_newfunc (struct bfd_hash_entry *entry,
1468 struct bfd_hash_table *table,
1469 const char *string)
1470{
1471 /* Allocate the structure if it has not already been allocated by a
1472 subclass. */
1473 if (entry == NULL)
1474 {
1475 entry = bfd_hash_allocate (table,
1476 sizeof (struct elf32_tic6x_link_hash_entry));
1477 if (entry == NULL)
1478 return entry;
1479 }
1480
1481 /* Call the allocation method of the superclass. */
1482 entry = _bfd_elf_link_hash_newfunc (entry, table, string);
1483 if (entry != NULL)
1484 {
1485 struct elf32_tic6x_link_hash_entry *eh;
1486
1487 eh = (struct elf32_tic6x_link_hash_entry *) entry;
1488 eh->dyn_relocs = NULL;
1489 }
1490
1491 return entry;
1492}
1493
1494/* Create a C6X ELF linker hash table. */
1495
1496static struct bfd_link_hash_table *
1497elf32_tic6x_link_hash_table_create (bfd *abfd)
1498{
1499 struct elf32_tic6x_link_hash_table *ret;
1500 bfd_size_type amt = sizeof (struct elf32_tic6x_link_hash_table);
1501
1502 ret = bfd_malloc (amt);
1503 if (ret == NULL)
1504 return NULL;
1505
1506 if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd,
1507 elf32_tic6x_link_hash_newfunc,
1508 sizeof (struct elf32_tic6x_link_hash_entry),
1509 TIC6X_ELF_DATA))
1510 {
1511 free (ret);
1512 return NULL;
1513 }
1514
1515 ret->sym_cache.abfd = NULL;
1516 ret->obfd = abfd;
1517 ret->elf.is_relocatable_executable = 1;
1518
1519 return &ret->elf.root;
1520}
1521
1522/* Destroy a C6X ELF linker hash table. */
1523
1524static void
1525elf32_tic6x_link_hash_table_free (struct bfd_link_hash_table *hash)
1526{
1527 _bfd_generic_link_hash_table_free (hash);
1528}
1529
1530/* Called to pass PARAMS to the backend. We store them in the hash table
1531 associated with INFO. */
1532
1533void
1534elf32_tic6x_setup (struct bfd_link_info *info,
1535 struct elf32_tic6x_params *params)
1536{
1537 struct elf32_tic6x_link_hash_table *htab = elf32_tic6x_hash_table (info);
1538 htab->params = *params;
1539}
1540
1541/* Determine if we're dealing with a DSBT object. */
1542
1543static bfd_boolean
1544elf32_tic6x_using_dsbt (bfd *abfd)
1545{
1546 return bfd_elf_get_obj_attr_int (abfd, OBJ_ATTR_PROC,
1547 Tag_ABI_DSBT);
1548}
1549
1550/* Create .plt, .rela.plt, .got, .got.plt, .rela.got and .dsbt
1551 sections in DYNOBJ, and set up shortcuts to them in our hash
1552 table. */
1553
1554static bfd_boolean
1555elf32_tic6x_create_dynamic_sections (bfd *dynobj, struct bfd_link_info *info)
1556{
1557 struct elf32_tic6x_link_hash_table *htab;
1558 flagword flags;
1559
1560 htab = elf32_tic6x_hash_table (info);
1561 if (htab == NULL)
1562 return FALSE;
1563
1564 if (!_bfd_elf_create_dynamic_sections (dynobj, info))
1565 return FALSE;
1566
1567 /* Create .dsbt */
1568 flags = (SEC_ALLOC | SEC_LOAD
1569 | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_LINKER_CREATED);
1570 htab->dsbt = bfd_make_section_anyway_with_flags (dynobj, ".dsbt",
1571 flags);
1572 if (htab->dsbt == NULL
1573 || ! bfd_set_section_alignment (dynobj, htab->dsbt, 2)
1574 || ! bfd_set_section_alignment (dynobj, htab->elf.splt, 5))
1575 return FALSE;
1576
1577 htab->sdynbss = bfd_get_section_by_name (dynobj, ".dynbss");
1578 if (!info->shared)
1579 htab->srelbss = bfd_get_section_by_name (dynobj, ".rela.bss");
1580
1581 if (!htab->sdynbss
1582 || (!info->shared && !htab->srelbss))
1583 abort ();
1584
1585 return TRUE;
1586}
1587
41820509
JM		 1588static bfd_boolean
1589elf32_tic6x_mkobject (bfd *abfd)
1590{
1591 bfd_boolean ret;
1592
1593 ret = bfd_elf_allocate_object (abfd, sizeof (struct elf32_tic6x_obj_tdata),
1594 TIC6X_ELF_DATA);
1595 if (ret)
1596 elf32_tic6x_set_use_rela_p (abfd, TRUE);
1597 return ret;
1598}
1599
ac145307
BS		 1600/* Install relocation RELA into section SRELA, incrementing its
1601 reloc_count. */
1602
1603static void
1604elf32_tic6x_install_rela (bfd *output_bfd, asection *srela,
1605 Elf_Internal_Rela *rela)
1606{
1607 bfd_byte *loc;
1608 bfd_vma off = srela->reloc_count++ * sizeof (Elf32_External_Rela);
1609 loc = srela->contents + off;
1610 BFD_ASSERT (off < srela->size);
1611 bfd_elf32_swap_reloca_out (output_bfd, rela, loc);
1612}
1613
1614/* Create a dynamic reloc against the GOT at offset OFFSET. The contents
1615 of the GOT at this offset have been initialized with the relocation. */
1616
1617static void
1618elf32_tic6x_make_got_dynreloc (bfd *output_bfd,
1619 struct elf32_tic6x_link_hash_table *htab,
1620 asection *sym_sec, bfd_vma offset)
1621{
1622 asection *sgot = htab->elf.sgot;
1623 Elf_Internal_Rela outrel;
1624 int dynindx;
1625
1626 outrel.r_offset = sgot->output_section->vma + sgot->output_offset + offset;
1627 outrel.r_addend = bfd_get_32 (output_bfd, sgot->contents + offset);
1628 if (sym_sec && sym_sec->output_section
1629 && ! bfd_is_abs_section (sym_sec->output_section)
1630 && ! bfd_is_und_section (sym_sec->output_section))
1631 {
1632 dynindx = elf_section_data (sym_sec->output_section)->dynindx;
1633 outrel.r_addend -= sym_sec->output_section->vma;
1634 }
1635 else
1636 {
1637 dynindx = 0;
1638 }
1639 outrel.r_info = ELF32_R_INFO (dynindx, R_C6000_ABS32);
1640 elf32_tic6x_install_rela (output_bfd, htab->elf.srelgot, &outrel);
1641}
1642
1643/* Finish up dynamic symbol handling. We set the contents of various
1644 dynamic sections here. */
1645
1646static bfd_boolean
1647elf32_tic6x_finish_dynamic_symbol (bfd * output_bfd,
1648 struct bfd_link_info *info,
1649 struct elf_link_hash_entry *h,
1650 Elf_Internal_Sym * sym)
1651{
1652 bfd *dynobj;
1653 struct elf32_tic6x_link_hash_table *htab;
1654
1655 htab = elf32_tic6x_hash_table (info);
1656 dynobj = htab->elf.dynobj;
1657
1658 if (h->plt.offset != (bfd_vma) -1)
1659 {
1660 bfd_vma plt_index;
1661 bfd_vma got_section_offset, got_dp_offset, rela_offset;
1662 Elf_Internal_Rela rela;
1663 bfd_byte *loc;
1664 asection *plt, *gotplt, *relplt;
1665 const struct elf_backend_data *bed;
1666
1667 bed = get_elf_backend_data (output_bfd);
1668
1669 BFD_ASSERT (htab->elf.splt != NULL);
1670 plt = htab->elf.splt;
1671 gotplt = htab->elf.sgotplt;
1672 relplt = htab->elf.srelplt;
1673
1674 /* This symbol has an entry in the procedure linkage table. Set
1675 it up. */
1676
1677 if ((h->dynindx == -1
1678 && !((h->forced_local || info->executable)
1679 && h->def_regular
1680 && h->type == STT_GNU_IFUNC))
1681 || plt == NULL
1682 || gotplt == NULL
1683 || relplt == NULL)
1684 abort ();
1685
1686 /* Get the index in the procedure linkage table which
1687 corresponds to this symbol. This is the index of this symbol
1688 in all the symbols for which we are making plt entries. The
1689 first entry in the procedure linkage table is reserved.
1690
1691 Get the offset into the .got table of the entry that
1692 corresponds to this function. Each .got entry is 4 bytes.
1693 The first three are reserved.
1694
1695 For static executables, we don't reserve anything. */
1696
1697 plt_index = h->plt.offset / PLT_ENTRY_SIZE - 1;
1698 got_section_offset = plt_index + bed->got_header_size / 4;
1699 got_dp_offset = got_section_offset + htab->params.dsbt_size;
1700 rela_offset = plt_index * sizeof (Elf32_External_Rela);
1701
1702 got_section_offset *= 4;
1703
1704 /* Fill in the entry in the procedure linkage table. */
1705
1706 /* ldw .d2t2 *+B14($GOT(f)), b2 */
1707 bfd_put_32 (output_bfd, got_dp_offset << 8 | 0x0100006e,
1708 plt->contents + h->plt.offset);
1709 /* mvk .s2 low(rela_offset), b0 */
1710 bfd_put_32 (output_bfd, (rela_offset & 0xffff) << 7 | 0x0000002a,
1711 plt->contents + h->plt.offset + 4);
1712 /* mvkh .s2 high(rela_offset), b0 */
1713 bfd_put_32 (output_bfd, ((rela_offset >> 16) & 0xffff) << 7 | 0x0000006a,
1714 plt->contents + h->plt.offset + 8);
1715 /* nop 2 */
1716 bfd_put_32 (output_bfd, 0x00002000,
1717 plt->contents + h->plt.offset + 12);
1718 /* b .s2 b2 */
1719 bfd_put_32 (output_bfd, 0x00080362,
1720 plt->contents + h->plt.offset + 16);
1721 /* nop 5 */
1722 bfd_put_32 (output_bfd, 0x00008000,
1723 plt->contents + h->plt.offset + 20);
1724
1725 /* Fill in the entry in the global offset table. */
1726 bfd_put_32 (output_bfd,
1727 (plt->output_section->vma + plt->output_offset),
1728 gotplt->contents + got_section_offset);
1729
1730 /* Fill in the entry in the .rel.plt section. */
1731 rela.r_offset = (gotplt->output_section->vma
1732 + gotplt->output_offset
1733 + got_section_offset);
1734 rela.r_info = ELF32_R_INFO (h->dynindx, R_C6000_JUMP_SLOT);
1735 rela.r_addend = 0;
1736 loc = relplt->contents + rela_offset;
1737 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
1738
1739 if (!h->def_regular)
1740 {
1741 /* Mark the symbol as undefined, rather than as defined in
1742 the .plt section. */
1743 sym->st_shndx = SHN_UNDEF;
1744 sym->st_value = 0;
1745 }
1746 }
1747
1748 if (h->got.offset != (bfd_vma) -1)
1749 {
1750 asection *sgot;
1751 asection *srela;
1752
1753 /* This symbol has an entry in the global offset table.
1754 Set it up. */
1755
1756 sgot = bfd_get_section_by_name (dynobj, ".got");
1757 srela = bfd_get_section_by_name (dynobj, ".rela.got");
1758 BFD_ASSERT (sgot != NULL && srela != NULL);
1759
1760 /* If this is a -Bsymbolic link, and the symbol is defined
1761 locally, we just want to emit a RELATIVE reloc. Likewise if
1762 the symbol was forced to be local because of a version file.
1763 The entry in the global offset table will already have been
1764 initialized in the relocate_section function. */
1765 if (info->shared
1766 && (info->symbolic
1767 || h->dynindx == -1 || h->forced_local) && h->def_regular)
1768 {
1769 asection *s = h->root.u.def.section;
1770 elf32_tic6x_make_got_dynreloc (output_bfd, htab, s,
1771 h->got.offset & ~(bfd_vma) 1);
1772 }
1773 else
1774 {
1775 Elf_Internal_Rela outrel;
1776 bfd_put_32 (output_bfd, (bfd_vma) 0,
1777 sgot->contents + (h->got.offset & ~(bfd_vma) 1));
1778 outrel.r_offset = (sgot->output_section->vma
1779 + sgot->output_offset
1780 + (h->got.offset & ~(bfd_vma) 1));
1781 outrel.r_info = ELF32_R_INFO (h->dynindx, R_C6000_ABS32);
1782 outrel.r_addend = 0;
1783
1784 elf32_tic6x_install_rela (output_bfd, srela, &outrel);
1785 }
1786 }
1787
1788 if (h->needs_copy)
1789 {
1790 Elf_Internal_Rela rel;
1791
1792 /* This symbol needs a copy reloc. Set it up. */
1793
1794 if (h->dynindx == -1
1795 || (h->root.type != bfd_link_hash_defined
1796 && h->root.type != bfd_link_hash_defweak)
1797 || htab->srelbss == NULL)
1798 abort ();
1799
1800 rel.r_offset = (h->root.u.def.value
1801 + h->root.u.def.section->output_section->vma
1802 + h->root.u.def.section->output_offset);
1803 rel.r_info = ELF32_R_INFO (h->dynindx, R_C6000_COPY);
1804 rel.r_addend = 0;
1805
1806 elf32_tic6x_install_rela (output_bfd, htab->srelbss, &rel);
1807 }
1808
1809 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */
1810 if (strcmp (h->root.root.string, "_DYNAMIC") == 0
1811 || h == elf_hash_table (info)->hgot)
1812 sym->st_shndx = SHN_ABS;
1813
1814 return TRUE;
1815}
1816
1817/* Update the got entry reference counts for the section being removed. */
1818
1819static bfd_boolean
1820elf32_tic6x_gc_sweep_hook (bfd *abfd,
1821 struct bfd_link_info *info,
1822 asection *sec,
1823 const Elf_Internal_Rela *relocs)
1824{
1825 struct elf32_tic6x_link_hash_table *htab;
1826 Elf_Internal_Shdr *symtab_hdr;
1827 struct elf_link_hash_entry **sym_hashes;
1828 bfd_signed_vma *local_got_refcounts;
1829 const Elf_Internal_Rela *rel, *relend;
1830
1831 if (info->relocatable)
1832 return TRUE;
1833
1834 htab = elf32_tic6x_hash_table (info);
1835 if (htab == NULL)
1836 return FALSE;
1837
1838 elf_section_data (sec)->local_dynrel = NULL;
1839
1840 symtab_hdr = &elf_symtab_hdr (abfd);
1841 sym_hashes = elf_sym_hashes (abfd);
1842 local_got_refcounts = elf_local_got_refcounts (abfd);
1843
1844 relend = relocs + sec->reloc_count;
1845 for (rel = relocs; rel < relend; rel++)
1846 {
1847 unsigned long r_symndx;
1848 unsigned int r_type;
1849 struct elf_link_hash_entry *h = NULL;
1850
1851 r_symndx = ELF32_R_SYM (rel->r_info);
1852 if (r_symndx >= symtab_hdr->sh_info)
1853 {
1854 struct elf32_tic6x_link_hash_entry *eh;
1855 struct elf_dyn_relocs **pp;
1856 struct elf_dyn_relocs *p;
1857
1858 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1859 while (h->root.type == bfd_link_hash_indirect
1860 || h->root.type == bfd_link_hash_warning)
1861 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1862 eh = (struct elf32_tic6x_link_hash_entry *) h;
1863
1864 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
1865 if (p->sec == sec)
1866 {
1867 /* Everything must go for SEC. */
1868 *pp = p->next;
1869 break;
1870 }
1871 }
1872
1873 r_type = ELF32_R_TYPE (rel->r_info);
1874
1875 switch (r_type)
1876 {
1877 case R_C6000_SBR_GOT_U15_W:
1878 case R_C6000_SBR_GOT_L16_W:
1879 case R_C6000_SBR_GOT_H16_W:
2fbb87f6 1880 case R_C6000_EHTYPE:
ac145307
BS		 1881 if (h != NULL)
1882 {
1883 if (h->got.refcount > 0)
1884 h->got.refcount -= 1;
1885 }
1886 else if (local_got_refcounts != NULL)
1887 {
1888 if (local_got_refcounts[r_symndx] > 0)
1889 local_got_refcounts[r_symndx] -= 1;
1890 }
1891 break;
1892
1893 default:
1894 break;
1895 }
1896 }
1897
1898 return TRUE;
1899}
1900
1901/* Adjust a symbol defined by a dynamic object and referenced by a
1902 regular object. The current definition is in some section of the
1903 dynamic object, but we're not including those sections. We have to
1904 change the definition to something the rest of the link can
1905 understand. */
1906
1907static bfd_boolean
1908elf32_tic6x_adjust_dynamic_symbol (struct bfd_link_info *info,
1909 struct elf_link_hash_entry *h)
1910{
1911 struct elf32_tic6x_link_hash_table *htab;
1912 bfd *dynobj;
1913 asection *s;
1914
1915 dynobj = elf_hash_table (info)->dynobj;
1916
1917 /* Make sure we know what is going on here. */
1918 BFD_ASSERT (dynobj != NULL
1919 && (h->needs_plt
1920 || h->u.weakdef != NULL
1921 || (h->def_dynamic && h->ref_regular && !h->def_regular)));
1922
1923 /* If this is a function, put it in the procedure linkage table. We
1924 will fill in the contents of the procedure linkage table later,
1925 when we know the address of the .got section. */
1926 if (h->type == STT_FUNC
1927 || h->needs_plt)
1928 {
1929 if (h->plt.refcount <= 0
1930 || SYMBOL_CALLS_LOCAL (info, h)
1931 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
1932 && h->root.type == bfd_link_hash_undefweak))
1933 {
1934 /* This case can occur if we saw a PLT32 reloc in an input
1935 file, but the symbol was never referred to by a dynamic
1936 object, or if all references were garbage collected. In
1937 such a case, we don't actually need to build a procedure
1938 linkage table, and we can just do a PC32 reloc instead. */
1939 h->plt.offset = (bfd_vma) -1;
1940 h->needs_plt = 0;
1941 }
1942
1943 return TRUE;
1944 }
1945
1946 /* If this is a weak symbol, and there is a real definition, the
1947 processor independent code will have arranged for us to see the
1948 real definition first, and we can just use the same value. */
1949 if (h->u.weakdef != NULL)
1950 {
1951 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
1952 || h->u.weakdef->root.type == bfd_link_hash_defweak);
1953 h->root.u.def.section = h->u.weakdef->root.u.def.section;
1954 h->root.u.def.value = h->u.weakdef->root.u.def.value;
1955 h->non_got_ref = h->u.weakdef->non_got_ref;
1956 return TRUE;
1957 }
1958
1959 /* This is a reference to a symbol defined by a dynamic object which
1960 is not a function. */
1961
1962 /* If we are creating a shared library, we must presume that the
1963 only references to the symbol are via the global offset table.
1964 For such cases we need not do anything here; the relocations will
1965 be handled correctly by relocate_section. */
1966 if (info->shared)
1967 return TRUE;
1968
1969 /* If there are no references to this symbol that do not use the
1970 GOT, we don't need to generate a copy reloc. */
1971 if (!h->non_got_ref)
1972 return TRUE;
1973
1974 /* If -z nocopyreloc was given, we won't generate them either. */
1975 if (info->nocopyreloc)
1976 {
1977 h->non_got_ref = 0;
1978 return TRUE;
1979 }
1980
1981 htab = elf32_tic6x_hash_table (info);
1982 if (htab == NULL)
1983 return FALSE;
1984
1985 if (h->size == 0)
1986 {
1987 (*_bfd_error_handler) (_("dynamic variable `%s' is zero size"),
1988 h->root.root.string);
1989 return TRUE;
1990 }
1991
1992 /* We must allocate the symbol in our .dynbss section, which will
1993 become part of the .bss section of the executable. There will be
1994 an entry for this symbol in the .dynsym section. The dynamic
1995 object will contain position independent code, so all references
1996 from the dynamic object to this symbol will go through the global
1997 offset table. The dynamic linker will use the .dynsym entry to
1998 determine the address it must put in the global offset table, so
1999 both the dynamic object and the regular object will refer to the
2000 same memory location for the variable. */
2001
2002 /* We must generate a R_C6000_COPY reloc to tell the dynamic linker to
2003 copy the initial value out of the dynamic object and into the
2004 runtime process image. */
2005 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
2006 {
2007 htab->srelbss->size += sizeof (Elf32_External_Rela);
2008 h->needs_copy = 1;
2009 }
2010
2011 s = htab->sdynbss;
2012
2013 return _bfd_elf_adjust_dynamic_copy (h, s);
2014}
2015
41820509
JM		 2016static bfd_boolean
2017elf32_tic6x_new_section_hook (bfd *abfd, asection *sec)
2018{
2019 bfd_boolean ret;
2020
2021 ret = _bfd_elf_new_section_hook (abfd, sec);
2022 sec->use_rela_p = elf32_tic6x_tdata (abfd)->use_rela_p;
2023
2024 return ret;
2025}
2026
2027/* Return true if relocation REL against section SEC is a REL rather
2028 than RELA relocation. RELOCS is the first relocation in the
2029 section and ABFD is the bfd that contains SEC. */
2030
2031static bfd_boolean
2032elf32_tic6x_rel_relocation_p (bfd *abfd, asection *sec,
2033 const Elf_Internal_Rela *relocs,
2034 const Elf_Internal_Rela *rel)
2035{
2036 Elf_Internal_Shdr *rel_hdr;
2037 const struct elf_backend_data *bed;
2038
2039 /* To determine which flavor of relocation this is, we depend on the
d4730f92
BS		 2040 fact that the INPUT_SECTION's REL_HDR is read before RELA_HDR. */
2041 rel_hdr = elf_section_data (sec)->rel.hdr;
2042 if (rel_hdr == NULL)
2043 return FALSE;
41820509 2044 bed = get_elf_backend_data (abfd);
d4730f92
BS		 2045 return ((size_t) (rel - relocs)
2046 < NUM_SHDR_ENTRIES (rel_hdr) * bed->s->int_rels_per_ext_rel);
41820509
JM		 2047}
2048
ac145307
BS		 2049/* We need dynamic symbols for every section, since segments can
2050 relocate independently. */
2051static bfd_boolean
2052elf32_tic6x_link_omit_section_dynsym (bfd *output_bfd ATTRIBUTE_UNUSED,
2053 struct bfd_link_info *info ATTRIBUTE_UNUSED,
2054 asection *p)
2055{
2056 switch (elf_section_data (p)->this_hdr.sh_type)
2057 {
2058 case SHT_PROGBITS:
2059 case SHT_NOBITS:
2060 /* If sh_type is yet undecided, assume it could be
2061 SHT_PROGBITS/SHT_NOBITS. */
2062 case SHT_NULL:
2063 return FALSE;
2064
2065 /* There shouldn't be section relative relocations
2066 against any other section. */
2067 default:
2068 return TRUE;
2069 }
2070}
2071
40b36596
JM		 2072static bfd_boolean
2073elf32_tic6x_relocate_section (bfd *output_bfd,
2074 struct bfd_link_info *info,
2075 bfd *input_bfd,
2076 asection *input_section,
2077 bfd_byte *contents,
2078 Elf_Internal_Rela *relocs,
2079 Elf_Internal_Sym *local_syms,
2080 asection **local_sections)
2081{
ac145307 2082 struct elf32_tic6x_link_hash_table *htab;
40b36596
JM		 2083 Elf_Internal_Shdr *symtab_hdr;
2084 struct elf_link_hash_entry **sym_hashes;
ac145307 2085 bfd_vma *local_got_offsets;
40b36596
JM		 2086 Elf_Internal_Rela *rel;
2087 Elf_Internal_Rela *relend;
2088 bfd_boolean ok = TRUE;
2089
ac145307 2090 htab = elf32_tic6x_hash_table (info);
40b36596
JM		 2091 symtab_hdr = & elf_symtab_hdr (input_bfd);
2092 sym_hashes = elf_sym_hashes (input_bfd);
ac145307 2093 local_got_offsets = elf_local_got_offsets (input_bfd);
40b36596
JM		 2094
2095 relend = relocs + input_section->reloc_count;
2096
2097 for (rel = relocs; rel < relend; rel ++)
2098 {
2099 int r_type;
2100 unsigned long r_symndx;
2101 arelent bfd_reloc;
2102 reloc_howto_type *howto;
2103 Elf_Internal_Sym *sym;
2104 asection *sec;
2105 struct elf_link_hash_entry *h;
ac145307 2106 bfd_vma off, relocation;
40b36596
JM		 2107 bfd_boolean unresolved_reloc;
2108 bfd_reloc_status_type r;
2109 struct bfd_link_hash_entry *sbh;
41820509 2110 bfd_boolean is_rel;
40b36596
JM		 2111
2112 r_type = ELF32_R_TYPE (rel->r_info);
2113 r_symndx = ELF32_R_SYM (rel->r_info);
2114
41820509
JM		 2115 is_rel = elf32_tic6x_rel_relocation_p (input_bfd, input_section,
2116 relocs, rel);
2117
2118 if (is_rel)
2119 elf32_tic6x_info_to_howto_rel (input_bfd, &bfd_reloc, rel);
2120 else
2121 elf32_tic6x_info_to_howto (input_bfd, &bfd_reloc, rel);
40b36596
JM		 2122 howto = bfd_reloc.howto;
2123 if (howto == NULL)
2124 {
2125 bfd_set_error (bfd_error_bad_value);
2126 return FALSE;
2127 }
2128
2129 h = NULL;
2130 sym = NULL;
2131 sec = NULL;
2132 unresolved_reloc = FALSE;
2133
2134 if (r_symndx < symtab_hdr->sh_info)
2135 {
2136 sym = local_syms + r_symndx;
2137 sec = local_sections[r_symndx];
2138 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
2139 }
2140 else
2141 {
2142 bfd_boolean warned;
2143
2144 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
2145 r_symndx, symtab_hdr, sym_hashes,
2146 h, sec, relocation,
2147 unresolved_reloc, warned);
2148 }
2149
2150 if (sec != NULL && elf_discarded_section (sec))
e4067dbb
DJ		 2151 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
2152 rel, relend, howto, contents);
40b36596
JM		 2153
2154 if (info->relocatable)
41820509
JM		 2155 {
2156 if (is_rel
2157 && sym != NULL
2158 && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
2159 {
2160 rel->r_addend = 0;
2161 relocation = sec->output_offset + sym->st_value;
2162 r = _bfd_relocate_contents (howto, input_bfd, relocation,
2163 contents + rel->r_offset);
2164 goto done_reloc;
2165 }
2166 continue;
2167 }
40b36596
JM		 2168
2169 switch (r_type)
2170 {
2171 case R_C6000_NONE:
2172 case R_C6000_ALIGN:
2173 case R_C6000_FPHEAD:
2174 case R_C6000_NOCMP:
2175 /* No action needed. */
2176 continue;
2177
2178 case R_C6000_PCR_S21:
ac145307
BS		 2179 /* A branch to an undefined weak symbol is turned into a
2180 "b .s2 B3" instruction if the existing insn is of the
2181 form "b .s2 symbol". */
2182 if (h ? h->root.type == bfd_link_hash_undefweak
2183 && (htab->elf.splt == NULL || h->plt.offset == (bfd_vma) -1)
2184 : r_symndx != STN_UNDEF && bfd_is_und_section (sec))
2185 {
2186 unsigned long oldval;
2187 oldval = bfd_get_32 (input_bfd, contents + rel->r_offset);
2188
2189 if ((oldval & 0x7e) == 0x12)
2190 {
2191 oldval &= 0xF0000001;
2192 bfd_put_32 (input_bfd, oldval | 0x000c0362,
2193 contents + rel->r_offset);
2194 r = bfd_reloc_ok;
2195 goto done_reloc;
2196 }
2197 }
2198
40b36596
JM		 2199 case R_C6000_PCR_S12:
2200 case R_C6000_PCR_S10:
2201 case R_C6000_PCR_S7:
ac145307
BS		 2202 if (h != NULL
2203 && h->plt.offset != (bfd_vma) -1
2204 && htab->elf.splt != NULL)
2205 {
2206 relocation = (htab->elf.splt->output_section->vma
2207 + htab->elf.splt->output_offset
2208 + h->plt.offset);
2209 }
2210
40b36596
JM		 2211 /* Generic PC-relative handling produces a value relative to
2212 the exact location of the relocation. Adjust it to be
2213 relative to the start of the fetch packet instead. */
2214 relocation += (input_section->output_section->vma
2215 + input_section->output_offset
2216 + rel->r_offset) & 0x1f;
ac145307
BS		 2217 unresolved_reloc = FALSE;
2218 break;
2219
2220 case R_C6000_DSBT_INDEX:
2221 relocation = elf32_tic6x_hash_table (info)->params.dsbt_index;
2222 if (!info->shared || relocation != 0)
2223 break;
2224
2225 /* fall through */
40b36596
JM		 2226 case R_C6000_ABS32:
2227 case R_C6000_ABS16:
2228 case R_C6000_ABS8:
2229 case R_C6000_ABS_S16:
2230 case R_C6000_ABS_L16:
2231 case R_C6000_ABS_H16:
ac145307
BS		 2232 /* When generating a shared object or relocatable executable, these
2233 relocations are copied into the output file to be resolved at
2234 run time. */
2235 if ((info->shared || elf32_tic6x_using_dsbt (output_bfd))
2236 && (input_section->flags & SEC_ALLOC)
2237 && (h == NULL
2238 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2239 || h->root.type != bfd_link_hash_undefweak))
2240 {
2241 Elf_Internal_Rela outrel;
2242 bfd_boolean skip, relocate;
2243 asection *sreloc;
2244
2245 unresolved_reloc = FALSE;
2246
2247 sreloc = elf_section_data (input_section)->sreloc;
2248 BFD_ASSERT (sreloc != NULL && sreloc->contents != NULL);
2249
2250 skip = FALSE;
2251 relocate = FALSE;
2252
2253 outrel.r_offset =
2254 _bfd_elf_section_offset (output_bfd, info, input_section,
2255 rel->r_offset);
2256 if (outrel.r_offset == (bfd_vma) -1)
2257 skip = TRUE;
2258 else if (outrel.r_offset == (bfd_vma) -2)
2259 skip = TRUE, relocate = TRUE;
2260 outrel.r_offset += (input_section->output_section->vma
2261 + input_section->output_offset);
2262
2263 if (skip)
2264 memset (&outrel, 0, sizeof outrel);
2265 else if (h != NULL
2266 && h->dynindx != -1
2267 && (!info->shared
2268 || !info->symbolic
2269 || !h->def_regular))
2270 {
2271 outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
2272 outrel.r_addend = rel->r_addend;
2273 }
2274 else
2275 {
2276 long indx;
2277
2278 outrel.r_addend = relocation + rel->r_addend;
2279
2280 if (bfd_is_abs_section (sec))
2281 indx = 0;
2282 else if (sec == NULL || sec->owner == NULL)
2283 {
2284 bfd_set_error (bfd_error_bad_value);
2285 return FALSE;
2286 }
2287 else
2288 {
2289 asection *osec;
2290
2291 osec = sec->output_section;
2292 indx = elf_section_data (osec)->dynindx;
2293 outrel.r_addend -= osec->vma;
2294 BFD_ASSERT (indx != 0);
2295 }
2296
2297 outrel.r_info = ELF32_R_INFO (indx, r_type);
2298 }
2299
2300 elf32_tic6x_install_rela (output_bfd, sreloc, &outrel);
2301
2302 /* If this reloc is against an external symbol, we do not want to
2303 fiddle with the addend. Otherwise, we need to include the symbol
2304 value so that it becomes an addend for the dynamic reloc. */
2305 if (! relocate)
2306 continue;
2307 }
2308
40b36596
JM		 2309 /* Generic logic OK. */
2310 break;
2311
2312 case R_C6000_SBR_U15_B:
2313 case R_C6000_SBR_U15_H:
2314 case R_C6000_SBR_U15_W:
2315 case R_C6000_SBR_S16:
2316 case R_C6000_SBR_L16_B:
2317 case R_C6000_SBR_L16_H:
2318 case R_C6000_SBR_L16_W:
2319 case R_C6000_SBR_H16_B:
2320 case R_C6000_SBR_H16_H:
2321 case R_C6000_SBR_H16_W:
2322 sbh = bfd_link_hash_lookup (info->hash, "__c6xabi_DSBT_BASE",
2323 FALSE, FALSE, TRUE);
2324 if (sbh != NULL
2325 && (sbh->type == bfd_link_hash_defined
2326 || sbh->type == bfd_link_hash_defweak))
ac145307
BS		 2327 {
2328 if (h ? (h->root.type == bfd_link_hash_undefweak
2329 && (htab->elf.splt == NULL
2330 || h->plt.offset == (bfd_vma) -1))
2331 : r_symndx != STN_UNDEF && bfd_is_und_section (sec))
2332 relocation = 0;
2333 else
2334 relocation -= (sbh->u.def.value
2335 + sbh->u.def.section->output_section->vma
2336 + sbh->u.def.section->output_offset);
2337 }
40b36596
JM		 2338 else
2339 {
2340 (*_bfd_error_handler) (_("%B: SB-relative relocation but "
2341 "__c6xabi_DSBT_BASE not defined"),
2342 input_bfd);
2343 ok = FALSE;
2344 continue;
2345 }
2346 break;
2347
2348 case R_C6000_SBR_GOT_U15_W:
2349 case R_C6000_SBR_GOT_L16_W:
2350 case R_C6000_SBR_GOT_H16_W:
2fbb87f6 2351 case R_C6000_EHTYPE:
ac145307
BS		 2352 /* Relocation is to the entry for this symbol in the global
2353 offset table. */
2354 if (htab->elf.sgot == NULL)
2355 abort ();
2356
2357 if (h != NULL)
2358 {
2359 bfd_boolean dyn;
2360
2361 off = h->got.offset;
2362 dyn = htab->elf.dynamic_sections_created;
2363 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
2364 || (info->shared
2365 && SYMBOL_REFERENCES_LOCAL (info, h))
2366 || (ELF_ST_VISIBILITY (h->other)
2367 && h->root.type == bfd_link_hash_undefweak))
2368 {
2369 /* This is actually a static link, or it is a
2370 -Bsymbolic link and the symbol is defined
2371 locally, or the symbol was forced to be local
2372 because of a version file. We must initialize
2373 this entry in the global offset table. Since the
2374 offset must always be a multiple of 4, we use the
2375 least significant bit to record whether we have
2376 initialized it already.
2377
2378 When doing a dynamic link, we create a .rel.got
2379 relocation entry to initialize the value. This
2380 is done in the finish_dynamic_symbol routine. */
2381 if ((off & 1) != 0)
2382 off &= ~1;
2383 else
2384 {
2385 bfd_put_32 (output_bfd, relocation,
2386 htab->elf.sgot->contents + off);
2387 h->got.offset |= 1;
2388
2389 if (!WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared,
2390 h)
2391 && !(ELF_ST_VISIBILITY (h->other)
2392 && h->root.type == bfd_link_hash_undefweak))
2393 elf32_tic6x_make_got_dynreloc (output_bfd, htab, sec,
2394 off);
2395 }
2396 }
2397 else
2398 unresolved_reloc = FALSE;
2399 }
2400 else
2401 {
2402 if (local_got_offsets == NULL)
2403 abort ();
2404
2405 off = local_got_offsets[r_symndx];
2406
2407 /* The offset must always be a multiple of 4. We use
2408 the least significant bit to record whether we have
2409 already generated the necessary reloc. */
2410 if ((off & 1) != 0)
2411 off &= ~1;
2412 else
2413 {
2414 bfd_put_32 (output_bfd, relocation,
2415 htab->elf.sgot->contents + off);
2416
2417 if (info->shared || elf32_tic6x_using_dsbt (output_bfd))
2418 elf32_tic6x_make_got_dynreloc (output_bfd, htab, sec, off);
2419
2420 local_got_offsets[r_symndx] |= 1;
2421 }
2422 }
2423
2424 if (off >= (bfd_vma) -2)
2425 abort ();
2426
2427 if (htab->dsbt)
2428 relocation = (htab->elf.sgot->output_section->vma
2429 + htab->elf.sgot->output_offset + off
2430 - htab->dsbt->output_section->vma
2431 - htab->dsbt->output_offset);
2432 else
2433 relocation = (htab->elf.sgot->output_section->vma
2434 + htab->elf.sgot->output_offset + off
2435 - htab->elf.sgotplt->output_section->vma
2436 - htab->elf.sgotplt->output_offset);
2437
2438 if (rel->r_addend != 0)
2439 {
2440 /* We can't do anything for a relocation which is against
2441 a symbol *plus offset*. GOT holds relocations for
2442 symbols. Make this an error; the compiler isn't
2443 allowed to pass us these kinds of things. */
2444 if (h == NULL)
2445 (*_bfd_error_handler)
2446 (_("%B, section %A: relocation %s with non-zero addend %d"
2447 " against local symbol"),
2448 input_bfd,
2449 input_section,
2450 elf32_tic6x_howto_table[r_type].name,
2451 rel->r_addend);
2452 else
2453 (*_bfd_error_handler)
2454 (_("%B, section %A: relocation %s with non-zero addend %d"
2455 " against symbol `%s'"),
2456 input_bfd,
2457 input_section,
2458 elf32_tic6x_howto_table[r_type].name,
2459 rel->r_addend,
2460 h->root.root.string[0] != '\0' ? h->root.root.string
2461 : _("[whose name is lost]"));
2462
2463 bfd_set_error (bfd_error_bad_value);
2464 return FALSE;
2465 }
2466 break;
2467
40b36596 2468 case R_C6000_PREL31:
44e87ece
PB		 2469 if (h != NULL
2470 && h->plt.offset != (bfd_vma) -1
2471 && htab->elf.splt != NULL)
2472 {
2473 relocation = (htab->elf.splt->output_section->vma
2474 + htab->elf.splt->output_offset
2475 + h->plt.offset);
2476 }
2477 break;
40b36596
JM		 2478
2479 case R_C6000_COPY:
2480 /* Invalid in relocatable object. */
2481 default:
2482 /* Unknown relocation. */
2483 (*_bfd_error_handler) (_("%B: invalid relocation type %d"),
2484 input_bfd, r_type);
2485 ok = FALSE;
2486 continue;
2487 }
2488
2489 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
2490 contents, rel->r_offset,
2491 relocation, rel->r_addend);
2492
41820509 2493 done_reloc:
40b36596
JM		 2494 if (r == bfd_reloc_ok
2495 && howto->complain_on_overflow == complain_overflow_bitfield)
2496 {
2497 /* Generic overflow handling accepts cases the ABI says
2498 should be rejected for R_C6000_ABS16 and
2499 R_C6000_ABS8. */
2500 bfd_vma value = (relocation + rel->r_addend) & 0xffffffff;
2501 bfd_vma sbit = 1 << (howto->bitsize - 1);
2502 bfd_vma sbits = (-(bfd_vma) sbit) & 0xffffffff;
2503 bfd_vma value_sbits = value & sbits;
2504
2505 if (value_sbits != 0
2506 && value_sbits != sbit
2507 && value_sbits != sbits)
2508 r = bfd_reloc_overflow;
2509 }
2510
2511 if (r != bfd_reloc_ok)
2512 {
2513 const char *name;
2514 const char *error_message;
2515
2516 if (h != NULL)
2517 name = h->root.root.string;
2518 else
2519 {
2520 name = bfd_elf_string_from_elf_section (input_bfd,
2521 symtab_hdr->sh_link,
2522 sym->st_name);
2523 if (name == NULL)
2524 return FALSE;
2525 if (*name == '\0')
2526 name = bfd_section_name (input_bfd, sec);
2527 }
2528
2529 switch (r)
2530 {
2531 case bfd_reloc_overflow:
2532 /* If the overflowing reloc was to an undefined symbol,
2533 we have already printed one error message and there
2534 is no point complaining again. */
2535 if ((! h ||
2536 h->root.type != bfd_link_hash_undefined)
2537 && (!((*info->callbacks->reloc_overflow)
2538 (info, (h ? &h->root : NULL), name, howto->name,
2539 (bfd_vma) 0, input_bfd, input_section,
2540 rel->r_offset))))
2541 return FALSE;
2542 break;
2543
2544 case bfd_reloc_undefined:
2545 if (!((*info->callbacks->undefined_symbol)
2546 (info, name, input_bfd, input_section,
2547 rel->r_offset, TRUE)))
2548 return FALSE;
2549 break;
2550
2551 case bfd_reloc_outofrange:
2552 error_message = _("out of range");
2553 goto common_error;
2554
2555 case bfd_reloc_notsupported:
2556 error_message = _("unsupported relocation");
2557 goto common_error;
2558
2559 case bfd_reloc_dangerous:
2560 error_message = _("dangerous relocation");
2561 goto common_error;
2562
2563 default:
2564 error_message = _("unknown error");
2565 /* Fall through. */
2566
2567 common_error:
2568 BFD_ASSERT (error_message != NULL);
2569 if (!((*info->callbacks->reloc_dangerous)
2570 (info, error_message, input_bfd, input_section,
2571 rel->r_offset)))
2572 return FALSE;
2573 break;
2574 }
2575 }
2576 }
2577
2578 return ok;
2579}
2580
ac145307
BS		 2581\f
2582/* Look through the relocs for a section during the first phase, and
2583 calculate needed space in the global offset table, procedure linkage
2584 table, and dynamic reloc sections. */
2585
2586static bfd_boolean
2587elf32_tic6x_check_relocs (bfd *abfd, struct bfd_link_info *info,
2588 asection *sec, const Elf_Internal_Rela *relocs)
2589{
2590 struct elf32_tic6x_link_hash_table *htab;
2591 Elf_Internal_Shdr *symtab_hdr;
2592 struct elf_link_hash_entry **sym_hashes;
2593 const Elf_Internal_Rela *rel;
2594 const Elf_Internal_Rela *rel_end;
2595 asection *sreloc;
2596
2597 if (info->relocatable)
2598 return TRUE;
2599
2600 htab = elf32_tic6x_hash_table (info);
2601 symtab_hdr = &elf_symtab_hdr (abfd);
2602 sym_hashes = elf_sym_hashes (abfd);
2603
2604 /* Create dynamic sections for relocatable executables so that we can
2605 copy relocations. */
2606 if (elf32_tic6x_using_dsbt (abfd)
2607 && ! htab->elf.dynamic_sections_created)
2608 {
2609 if (! _bfd_elf_link_create_dynamic_sections (abfd, info))
2610 return FALSE;
2611 }
2612
2613 sreloc = NULL;
2614
2615 rel_end = relocs + sec->reloc_count;
2616 for (rel = relocs; rel < rel_end; rel++)
2617 {
2618 unsigned int r_type;
2619 unsigned long r_symndx;
2620 struct elf_link_hash_entry *h;
2621 Elf_Internal_Sym *isym;
2622
2623 r_symndx = ELF32_R_SYM (rel->r_info);
2624 r_type = ELF32_R_TYPE (rel->r_info);
2625
2626 if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
2627 {
2628 (*_bfd_error_handler) (_("%B: bad symbol index: %d"),
2629 abfd,
2630 r_symndx);
2631 return FALSE;
2632 }
2633
2634 if (r_symndx < symtab_hdr->sh_info)
2635 {
2636 /* A local symbol. */
2637 isym = bfd_sym_from_r_symndx (&htab->sym_cache,
2638 abfd, r_symndx);
2639 if (isym == NULL)
2640 return FALSE;
2641 h = NULL;
2642 }
2643 else
2644 {
2645 isym = NULL;
2646 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
2647 while (h->root.type == bfd_link_hash_indirect
2648 || h->root.type == bfd_link_hash_warning)
2649 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2650 }
2651
2652 switch (r_type)
2653 {
2654 case R_C6000_PCR_S21:
44e87ece 2655 case R_C6000_PREL31:
ac145307
BS		 2656 /* This symbol requires a procedure linkage table entry. We
2657 actually build the entry in adjust_dynamic_symbol,
2658 because this might be a case of linking PIC code which is
2659 never referenced by a dynamic object, in which case we
2660 don't need to generate a procedure linkage table entry
2661 after all. */
2662
2663 /* If this is a local symbol, we resolve it directly without
2664 creating a procedure linkage table entry. */
2665 if (h == NULL)
2666 continue;
2667
2668 h->needs_plt = 1;
2669 h->plt.refcount += 1;
2670 break;
2671
2672 case R_C6000_SBR_GOT_U15_W:
2673 case R_C6000_SBR_GOT_L16_W:
2674 case R_C6000_SBR_GOT_H16_W:
2fbb87f6 2675 case R_C6000_EHTYPE:
ac145307
BS		 2676 /* This symbol requires a global offset table entry. */
2677 if (h != NULL)
2678 {
2679 h->got.refcount += 1;
2680 }
2681 else
2682 {
2683 bfd_signed_vma *local_got_refcounts;
2684
2685 /* This is a global offset table entry for a local symbol. */
2686 local_got_refcounts = elf_local_got_refcounts (abfd);
2687 if (local_got_refcounts == NULL)
2688 {
2689 bfd_size_type size;
2690
2691 size = symtab_hdr->sh_info;
2692 size *= (sizeof (bfd_signed_vma)
2693 + sizeof (bfd_vma) + sizeof(char));
2694 local_got_refcounts = bfd_zalloc (abfd, size);
2695 if (local_got_refcounts == NULL)
2696 return FALSE;
2697 elf_local_got_refcounts (abfd) = local_got_refcounts;
2698 }
2699 local_got_refcounts[r_symndx] += 1;
2700 }
2701
2702 if (htab->elf.sgot == NULL)
2703 {
2704 if (htab->elf.dynobj == NULL)
2705 htab->elf.dynobj = abfd;
2706 if (!_bfd_elf_create_got_section (htab->elf.dynobj, info))
2707 return FALSE;
2708 }
2709 break;
2710
2711 case R_C6000_DSBT_INDEX:
2712 /* We'd like to check for nonzero dsbt_index here, but it's
2713 set up only after check_relocs is called. Instead, we
2714 store the number of R_C6000_DSBT_INDEX relocs in the
2715 pc_count field, and potentially discard the extra space
2716 in elf32_tic6x_allocate_dynrelocs. */
2717 if (!info->shared)
2718 break;
2719
2720 /* fall through */
2721 case R_C6000_ABS32:
2722 case R_C6000_ABS16:
2723 case R_C6000_ABS8:
2724 case R_C6000_ABS_S16:
2725 case R_C6000_ABS_L16:
2726 case R_C6000_ABS_H16:
2727 /* If we are creating a shared library, and this is a reloc
2728 against a global symbol, or a non PC relative reloc
2729 against a local symbol, then we need to copy the reloc
2730 into the shared library. However, if we are linking with
2731 -Bsymbolic, we do not need to copy a reloc against a
2732 global symbol which is defined in an object we are
2733 including in the link (i.e., DEF_REGULAR is set). At
2734 this point we have not seen all the input files, so it is
2735 possible that DEF_REGULAR is not set now but will be set
2736 later (it is never cleared). In case of a weak definition,
2737 DEF_REGULAR may be cleared later by a strong definition in
2738 a shared library. We account for that possibility below by
2739 storing information in the relocs_copied field of the hash
2740 table entry. A similar situation occurs when creating
2741 shared libraries and symbol visibility changes render the
2742 symbol local.
2743
2744 If on the other hand, we are creating an executable, we
2745 may need to keep relocations for symbols satisfied by a
2746 dynamic library if we manage to avoid copy relocs for the
2747 symbol. */
2748 if ((info->shared || elf32_tic6x_using_dsbt (abfd))
2749 && (sec->flags & SEC_ALLOC) != 0)
2750 {
2751 struct elf_dyn_relocs *p;
2752 struct elf_dyn_relocs **head;
2753
2754 /* We must copy these reloc types into the output file.
2755 Create a reloc section in dynobj and make room for
2756 this reloc. */
2757 if (sreloc == NULL)
2758 {
2759 if (htab->elf.dynobj == NULL)
2760 htab->elf.dynobj = abfd;
2761
2762 sreloc = _bfd_elf_make_dynamic_reloc_section
2763 (sec, htab->elf.dynobj, 2, abfd, /*rela? */ TRUE);
2764
2765 if (sreloc == NULL)
2766 return FALSE;
2767 }
2768
2769 /* If this is a global symbol, we count the number of
2770 relocations we need for this symbol. */
2771 if (h != NULL)
2772 {
2773 head = &((struct elf32_tic6x_link_hash_entry *) h)->dyn_relocs;
2774 }
2775 else
2776 {
2777 /* Track dynamic relocs needed for local syms too.
2778 We really need local syms available to do this
2779 easily. Oh well. */
2780 void **vpp;
2781 asection *s;
2782
2783 s = bfd_section_from_elf_index (abfd, isym->st_shndx);
2784 if (s == NULL)
2785 s = sec;
2786
2787 vpp = &elf_section_data (s)->local_dynrel;
2788 head = (struct elf_dyn_relocs **)vpp;
2789 }
2790
2791 p = *head;
2792 if (p == NULL || p->sec != sec)
2793 {
2794 bfd_size_type amt = sizeof *p;
2795 p = bfd_alloc (htab->elf.dynobj, amt);
2796 if (p == NULL)
2797 return FALSE;
2798 p->next = *head;
2799 *head = p;
2800 p->sec = sec;
2801 p->count = 0;
2123f9ad 2802 p->pc_count = 0;
ac145307
BS		 2803 }
2804
2805 p->count += 1;
2806 if (r_type == R_C6000_DSBT_INDEX)
2807 p->pc_count += 1;
2808 }
2809 break;
2810
2811 case R_C6000_SBR_U15_B:
2812 case R_C6000_SBR_U15_H:
2813 case R_C6000_SBR_U15_W:
2814 case R_C6000_SBR_S16:
2815 case R_C6000_SBR_L16_B:
2816 case R_C6000_SBR_L16_H:
2817 case R_C6000_SBR_L16_W:
2818 case R_C6000_SBR_H16_B:
2819 case R_C6000_SBR_H16_H:
2820 case R_C6000_SBR_H16_W:
2821 if (h != NULL && info->executable)
2822 {
2823 /* For B14-relative addresses, we might need a copy
2824 reloc. */
2825 h->non_got_ref = 1;
2826 }
2827 break;
2828
2829 default:
2830 break;
2831 }
2832 }
2833
2834 return TRUE;
2835}
2836
2837static bfd_boolean
2838elf32_tic6x_add_symbol_hook (bfd *abfd,
2839 struct bfd_link_info *info ATTRIBUTE_UNUSED,
2840 Elf_Internal_Sym *sym,
2841 const char **namep ATTRIBUTE_UNUSED,
2842 flagword *flagsp ATTRIBUTE_UNUSED,
2843 asection **secp,
2844 bfd_vma *valp)
2845{
2846 switch (sym->st_shndx)
2847 {
2848 case SHN_TIC6X_SCOMMON:
2849 *secp = bfd_make_section_old_way (abfd, ".scommon");
2850 (*secp)->flags |= SEC_IS_COMMON;
2851 *valp = sym->st_size;
2852 bfd_set_section_alignment (abfd, *secp, bfd_log2 (sym->st_value));
2853 break;
2854 }
2855
2856 return TRUE;
2857}
2858
2859static void
2860elf32_tic6x_symbol_processing (bfd *abfd ATTRIBUTE_UNUSED, asymbol *asym)
2861{
2862 elf_symbol_type *elfsym;
2863
2864 elfsym = (elf_symbol_type *) asym;
2865 switch (elfsym->internal_elf_sym.st_shndx)
2866 {
2867 case SHN_TIC6X_SCOMMON:
2868 if (tic6x_elf_scom_section.name == NULL)
2869 {
2870 /* Initialize the small common section. */
2871 tic6x_elf_scom_section.name = ".scommon";
2872 tic6x_elf_scom_section.flags = SEC_IS_COMMON;
2873 tic6x_elf_scom_section.output_section = &tic6x_elf_scom_section;
2874 tic6x_elf_scom_section.symbol = &tic6x_elf_scom_symbol;
2875 tic6x_elf_scom_section.symbol_ptr_ptr = &tic6x_elf_scom_symbol_ptr;
2876 tic6x_elf_scom_symbol.name = ".scommon";
2877 tic6x_elf_scom_symbol.flags = BSF_SECTION_SYM;
2878 tic6x_elf_scom_symbol.section = &tic6x_elf_scom_section;
2879 tic6x_elf_scom_symbol_ptr = &tic6x_elf_scom_symbol;
2880 }
2881 asym->section = &tic6x_elf_scom_section;
2882 asym->value = elfsym->internal_elf_sym.st_size;
2883 break;
2884 }
2885}
2886
2887static int
2888elf32_tic6x_link_output_symbol_hook (struct bfd_link_info *info ATTRIBUTE_UNUSED,
2889 const char *name ATTRIBUTE_UNUSED,
2890 Elf_Internal_Sym *sym,
2891 asection *input_sec,
2892 struct elf_link_hash_entry *h ATTRIBUTE_UNUSED)
2893{
2894 /* If we see a common symbol, which implies a relocatable link, then
2895 if a symbol was small common in an input file, mark it as small
2896 common in the output file. */
2897 if (sym->st_shndx == SHN_COMMON && strcmp (input_sec->name, ".scommon") == 0)
2898 sym->st_shndx = SHN_TIC6X_SCOMMON;
2899
2900 return 1;
2901}
2902
2903static bfd_boolean
2904elf32_tic6x_section_from_bfd_section (bfd *abfd ATTRIBUTE_UNUSED,
2905 asection *sec,
2906 int *retval)
2907{
2908 if (strcmp (bfd_get_section_name (abfd, sec), ".scommon") == 0)
2909 {
2910 *retval = SHN_TIC6X_SCOMMON;
2911 return TRUE;
2912 }
2913
2914 return FALSE;
2915}
2916
2917/* Allocate space in .plt, .got and associated reloc sections for
2918 dynamic relocs. */
2919
2920static bfd_boolean
2921elf32_tic6x_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
2922{
2923 struct bfd_link_info *info;
2924 struct elf32_tic6x_link_hash_table *htab;
2925 struct elf32_tic6x_link_hash_entry *eh;
2926 struct elf_dyn_relocs *p;
2927
2928 if (h->root.type == bfd_link_hash_indirect)
2929 return TRUE;
2930
2931 if (h->root.type == bfd_link_hash_warning)
2932 /* When warning symbols are created, they **replace** the "real"
2933 entry in the hash table, thus we never get to see the real
2934 symbol in a hash traversal. So look at it now. */
2935 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2936 eh = (struct elf32_tic6x_link_hash_entry *) h;
2937
2938 info = (struct bfd_link_info *) inf;
2939 htab = elf32_tic6x_hash_table (info);
2940
2941 if (htab->elf.dynamic_sections_created && h->plt.refcount > 0)
2942 {
2943 /* Make sure this symbol is output as a dynamic symbol.
2944 Undefined weak syms won't yet be marked as dynamic. */
2945 if (h->dynindx == -1 && !h->forced_local)
2946 {
2947 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2948 return FALSE;
2949 }
2950
2951 if (info->shared
2952 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h))
2953 {
2954 asection *s = htab->elf.splt;
2955
2956 /* If this is the first .plt entry, make room for the special
2957 first entry. */
2958 if (s->size == 0)
2959 s->size += PLT_ENTRY_SIZE;
2960
2961 h->plt.offset = s->size;
2962
2963 /* If this symbol is not defined in a regular file, and we are
2964 not generating a shared library, then set the symbol to this
2965 location in the .plt. This is required to make function
2966 pointers compare as equal between the normal executable and
2967 the shared library. */
2968 if (! info->shared && !h->def_regular)
2969 {
2970 h->root.u.def.section = s;
2971 h->root.u.def.value = h->plt.offset;
2972 }
2973
2974 /* Make room for this entry. */
2975 s->size += PLT_ENTRY_SIZE;
2976 /* We also need to make an entry in the .got.plt section, which
2977 will be placed in the .got section by the linker script. */
2978 htab->elf.sgotplt->size += 4;
2979 /* We also need to make an entry in the .rel.plt section. */
2980 htab->elf.srelplt->size += sizeof (Elf32_External_Rela);
2981 }
2982 else
2983 {
2984 h->plt.offset = (bfd_vma) -1;
2985 h->needs_plt = 0;
2986 }
2987 }
2988 else
2989 {
2990 h->plt.offset = (bfd_vma) -1;
2991 h->needs_plt = 0;
2992 }
2993
2994 if (h->got.refcount > 0)
2995 {
2996 asection *s;
2997
2998 /* Make sure this symbol is output as a dynamic symbol.
2999 Undefined weak syms won't yet be marked as dynamic. */
3000 if (h->dynindx == -1
3001 && !h->forced_local)
3002 {
3003 if (! bfd_elf_link_record_dynamic_symbol (info, h))
3004 return FALSE;
3005 }
3006
3007 s = htab->elf.sgot;
3008 h->got.offset = s->size;
3009 s->size += 4;
3010
3011 if (!(ELF_ST_VISIBILITY (h->other)
3012 && h->root.type == bfd_link_hash_undefweak))
3013 htab->elf.srelgot->size += sizeof (Elf32_External_Rela);
3014 }
3015 else
3016 h->got.offset = (bfd_vma) -1;
3017
3018 if (eh->dyn_relocs == NULL)
3019 return TRUE;
3020
3021 /* Discard relocs on undefined weak syms with non-default
3022 visibility. */
3023 if (info->shared || elf32_tic6x_using_dsbt (htab->obfd))
3024 {
3025 /* We use the pc_count field to hold the number of
3026 R_C6000_DSBT_INDEX relocs. */
3027 if (htab->params.dsbt_index != 0)
3028 {
3029 struct elf_dyn_relocs **pp;
3030
3031 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
3032 {
3033 p->count -= p->pc_count;
3034 p->pc_count = 0;
3035 if (p->count == 0)
3036 *pp = p->next;
3037 else
3038 pp = &p->next;
3039 }
3040 }
3041
3042 if (eh->dyn_relocs != NULL
3043 && h->root.type == bfd_link_hash_undefweak)
3044 {
3045 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
3046 eh->dyn_relocs = NULL;
3047
3048 /* Make sure undefined weak symbols are output as a dynamic
3049 symbol in PIEs. */
3050 else if (h->dynindx == -1
3051 && !h->forced_local)
3052 {
3053 if (! bfd_elf_link_record_dynamic_symbol (info, h))
3054 return FALSE;
3055 }
3056 }
3057 }
3058
3059 /* Finally, allocate space. */
3060 for (p = eh->dyn_relocs; p != NULL; p = p->next)
3061 {
3062 asection *sreloc;
3063
3064 sreloc = elf_section_data (p->sec)->sreloc;
3065
3066 BFD_ASSERT (sreloc != NULL);
3067 sreloc->size += p->count * sizeof (Elf32_External_Rela);
3068 }
3069
3070 return TRUE;
3071}
3072
3073/* Find any dynamic relocs that apply to read-only sections. */
3074
3075static bfd_boolean
3076elf32_tic6x_readonly_dynrelocs (struct elf_link_hash_entry *h, void *inf)
3077{
3078 struct elf32_tic6x_link_hash_entry *eh;
3079 struct elf_dyn_relocs *p;
3080
3081 if (h->root.type == bfd_link_hash_warning)
3082 h = (struct elf_link_hash_entry *) h->root.u.i.link;
3083
3084 eh = (struct elf32_tic6x_link_hash_entry *) h;
3085 for (p = eh->dyn_relocs; p != NULL; p = p->next)
3086 {
3087 asection *s = p->sec->output_section;
3088
3089 if (s != NULL && (s->flags & SEC_READONLY) != 0)
3090 {
3091 struct bfd_link_info *info = (struct bfd_link_info *) inf;
3092
3093 info->flags |= DF_TEXTREL;
3094
3095 /* Not an error, just cut short the traversal. */
3096 return FALSE;
3097 }
3098 }
3099 return TRUE;
3100}
3101
3102/* Set the sizes of the dynamic sections. */
3103
3104static bfd_boolean
3105elf32_tic6x_size_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
3106{
3107 struct elf32_tic6x_link_hash_table *htab;
3108 bfd *dynobj;
3109 asection *s;
3110 bfd_boolean relocs;
3111 bfd *ibfd;
3112
3113 htab = elf32_tic6x_hash_table (info);
3114 dynobj = htab->elf.dynobj;
3115 if (dynobj == NULL)
3116 abort ();
3117
3118 if (htab->elf.dynamic_sections_created)
3119 {
3120 /* Set the contents of the .interp section to the interpreter. */
3121 if (info->executable)
3122 {
3123 s = bfd_get_section_by_name (dynobj, ".interp");
3124 if (s == NULL)
3125 abort ();
3126 s->size = sizeof ELF_DYNAMIC_INTERPRETER;
3127 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
3128 }
3129 }
3130
3131 /* Set up .got offsets for local syms, and space for local dynamic
3132 relocs. */
3133 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
3134 {
3135 bfd_signed_vma *local_got;
3136 bfd_signed_vma *end_local_got;
3137 char *local_tls_type;
3138 bfd_vma *local_tlsdesc_gotent;
3139 bfd_size_type locsymcount;
3140 Elf_Internal_Shdr *symtab_hdr;
3141 asection *srel;
3142
3143 for (s = ibfd->sections; s != NULL; s = s->next)
3144 {
3145 struct elf_dyn_relocs *p;
3146
3147 for (p = ((struct elf_dyn_relocs *)
3148 elf_section_data (s)->local_dynrel);
3149 p != NULL;
3150 p = p->next)
3151 {
3152 if (!bfd_is_abs_section (p->sec)
3153 && bfd_is_abs_section (p->sec->output_section))
3154 {
3155 /* Input section has been discarded, either because
3156 it is a copy of a linkonce section or due to
3157 linker script /DISCARD/, so we'll be discarding
3158 the relocs too. */
3159 }
3160 else if (p->count != 0)
3161 {
3162 srel = elf_section_data (p->sec)->sreloc;
3163 srel->size += p->count * sizeof (Elf32_External_Rela);
3164 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
3165 info->flags |= DF_TEXTREL;
3166 }
3167 }
3168 }
3169
3170 local_got = elf_local_got_refcounts (ibfd);
3171 if (!local_got)
3172 continue;
3173
3174 symtab_hdr = &elf_symtab_hdr (ibfd);
3175 locsymcount = symtab_hdr->sh_info;
3176 end_local_got = local_got + locsymcount;
3177 s = htab->elf.sgot;
3178 srel = htab->elf.srelgot;
3179 for (; local_got < end_local_got;
3180 ++local_got, ++local_tls_type, ++local_tlsdesc_gotent)
3181 {
3182 if (*local_got > 0)
3183 {
3184 *local_got = s->size;
3185 s->size += 4;
3186
3187 if (info->shared || elf32_tic6x_using_dsbt (output_bfd))
3188 {
3189 srel->size += sizeof (Elf32_External_Rela);
3190 }
3191 }
3192 else
3193 *local_got = (bfd_vma) -1;
3194 }
3195 }
3196
3197 /* Allocate global sym .plt and .got entries, and space for global
3198 sym dynamic relocs. */
3199 elf_link_hash_traverse (&htab->elf, elf32_tic6x_allocate_dynrelocs, info);
3200
3201 /* We now have determined the sizes of the various dynamic sections.
3202 Allocate memory for them. */
3203 relocs = FALSE;
3204 for (s = dynobj->sections; s != NULL; s = s->next)
3205 {
3206 bfd_boolean strip_section = TRUE;
3207
3208 if ((s->flags & SEC_LINKER_CREATED) == 0)
3209 continue;
3210
3211 if (s == htab->dsbt)
3212 s->size = 4 * htab->params.dsbt_size;
3213 else if (s == htab->elf.splt
3214 || s == htab->elf.sgot
3215 || s == htab->elf.sgotplt
3216 || s == htab->sdynbss)
3217 {
3218 /* Strip this section if we don't need it; see the
3219 comment below. */
3220 /* We'd like to strip these sections if they aren't needed, but if
3221 we've exported dynamic symbols from them we must leave them.
3222 It's too late to tell BFD to get rid of the symbols. */
3223
3224 if (htab->elf.hplt != NULL)
3225 strip_section = FALSE;
3226
3227 /* Round up the size of the PLT section to a multiple of 32. */
3228 if (s == htab->elf.splt && s->size > 0)
3229 s->size = (s->size + 31) & ~(bfd_vma)31;
3230 }
3231 else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rela"))
3232 {
3233 if (s->size != 0
3234 && s != htab->elf.srelplt)
3235 relocs = TRUE;
3236
3237 /* We use the reloc_count field as a counter if we need
3238 to copy relocs into the output file. */
3239 s->reloc_count = 0;
3240 }
3241 else
3242 {
3243 /* It's not one of our sections, so don't allocate space. */
3244 continue;
3245 }
3246
3247 if (s->size == 0)
3248 {
3249 /* If we don't need this section, strip it from the
3250 output file. This is mostly to handle .rel.bss and
3251 .rel.plt. We must create both sections in
3252 create_dynamic_sections, because they must be created
3253 before the linker maps input sections to output
3254 sections. The linker does that before
3255 adjust_dynamic_symbol is called, and it is that
3256 function which decides whether anything needs to go
3257 into these sections. */
3258 if (strip_section)
3259 s->flags |= SEC_EXCLUDE;
3260 continue;
3261 }
3262
3263 if ((s->flags & SEC_HAS_CONTENTS) == 0)
3264 continue;
3265
3266 /* Allocate memory for the section contents. We use bfd_zalloc
3267 here in case unused entries are not reclaimed before the
3268 section's contents are written out. This should not happen,
3269 but this way if it does, we get a R_C6000_NONE reloc instead
3270 of garbage. */
3271 s->contents = bfd_zalloc (dynobj, s->size);
3272 if (s->contents == NULL)
3273 return FALSE;
3274 }
3275
3276 if (htab->elf.dynamic_sections_created)
3277 {
3278 /* Add some entries to the .dynamic section. We fill in the
3279 values later, in elf32_tic6x_finish_dynamic_sections, but we
3280 must add the entries now so that we get the correct size for
3281 the .dynamic section. The DT_DEBUG entry is filled in by the
3282 dynamic linker and used by the debugger. */
3283#define add_dynamic_entry(TAG, VAL) \
3284 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
3285
3286 if (info->executable)
3287 {
3288 if (!add_dynamic_entry (DT_DEBUG, 0))
3289 return FALSE;
3290 }
3291
3292 if (!add_dynamic_entry (DT_C6000_DSBT_BASE, 0)
3293 || !add_dynamic_entry (DT_C6000_DSBT_SIZE, htab->params.dsbt_size)
3294 || !add_dynamic_entry (DT_C6000_DSBT_INDEX,
3295 htab->params.dsbt_index))
3296 return FALSE;
3297
3298 if (htab->elf.splt->size != 0)
3299 {
3300 if (!add_dynamic_entry (DT_PLTGOT, 0)
3301 || !add_dynamic_entry (DT_PLTRELSZ, 0)
3302 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
3303 || !add_dynamic_entry (DT_JMPREL, 0))
3304 return FALSE;
3305 }
3306
3307 if (relocs)
3308 {
3309 if (!add_dynamic_entry (DT_RELA, 0)
3310 || !add_dynamic_entry (DT_RELASZ, 0)
3311 || !add_dynamic_entry (DT_RELAENT, sizeof (Elf32_External_Rela)))
3312 return FALSE;
3313
3314 /* If any dynamic relocs apply to a read-only section,
3315 then we need a DT_TEXTREL entry. */
3316 if ((info->flags & DF_TEXTREL) == 0)
3317 elf_link_hash_traverse (&htab->elf,
3318 elf32_tic6x_readonly_dynrelocs, info);
3319
3320 if ((info->flags & DF_TEXTREL) != 0)
3321 {
3322 if (!add_dynamic_entry (DT_TEXTREL, 0))
3323 return FALSE;
3324 }
3325 }
3326 }
3327#undef add_dynamic_entry
3328
3329 return TRUE;
3330}
3331
3332/* This function is called after all the input files have been read,
3333 and the input sections have been assigned to output sections. */
3334
3335static bfd_boolean
3336elf32_tic6x_always_size_sections (bfd *output_bfd, struct bfd_link_info *info)
3337{
3338 if (elf32_tic6x_using_dsbt (output_bfd) && !info->relocatable)
3339 {
3340 struct elf_link_hash_entry *h;
3341
3342 /* Force a PT_GNU_STACK segment to be created. */
3343 if (! elf_tdata (output_bfd)->stack_flags)
3344 elf_tdata (output_bfd)->stack_flags = PF_R | PF_W | PF_X;
3345
3346 /* Define __stacksize if it's not defined yet. */
3347 h = elf_link_hash_lookup (elf_hash_table (info), "__stacksize",
3348 FALSE, FALSE, FALSE);
3349 if (! h || h->root.type != bfd_link_hash_defined
3350 || h->type != STT_OBJECT
3351 || !h->def_regular)
3352 {
3353 struct bfd_link_hash_entry *bh = NULL;
3354
3355 if (!(_bfd_generic_link_add_one_symbol
3356 (info, output_bfd, "__stacksize",
3357 BSF_GLOBAL, bfd_abs_section_ptr, DEFAULT_STACK_SIZE,
3358 (const char *) NULL, FALSE,
3359 get_elf_backend_data (output_bfd)->collect, &bh)))
3360 return FALSE;
3361
3362 h = (struct elf_link_hash_entry *) bh;
3363 h->def_regular = 1;
3364 h->type = STT_OBJECT;
3365 }
3366 }
3367 return TRUE;
3368}
3369
3370static bfd_boolean
3371elf32_tic6x_modify_program_headers (bfd *output_bfd,
3372 struct bfd_link_info *info)
3373{
3374 struct elf_obj_tdata *tdata = elf_tdata (output_bfd);
3375 struct elf_segment_map *m;
3376 Elf_Internal_Phdr *p;
3377
3378 /* objcopy and strip preserve what's already there using
3379 elf32_tic6x_copy_private_bfd_data (). */
3380 if (! info)
3381 return TRUE;
3382
3383 for (p = tdata->phdr, m = tdata->segment_map; m != NULL; m = m->next, p++)
3384 if (m->p_type == PT_GNU_STACK)
3385 break;
3386
3387 if (m)
3388 {
3389 struct elf_link_hash_entry *h;
3390
3391 /* Obtain the pointer to the __stacksize symbol. */
3392 h = elf_link_hash_lookup (elf_hash_table (info), "__stacksize",
3393 FALSE, FALSE, FALSE);
3394 if (h)
3395 {
3396 while (h->root.type == bfd_link_hash_indirect
3397 || h->root.type == bfd_link_hash_warning)
3398 h = (struct elf_link_hash_entry *) h->root.u.i.link;
3399 BFD_ASSERT (h->root.type == bfd_link_hash_defined);
3400 }
3401
3402 /* Set the header p_memsz from the symbol value. We
3403 intentionally ignore the symbol section. */
3404 if (h && h->root.type == bfd_link_hash_defined)
3405 p->p_memsz = h->root.u.def.value;
3406 else
3407 p->p_memsz = DEFAULT_STACK_SIZE;
3408
3409 p->p_align = 8;
3410 }
3411
3412 return TRUE;
3413}
3414
3415static bfd_boolean
3416elf32_tic6x_finish_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
3417 struct bfd_link_info *info)
3418{
3419 struct elf32_tic6x_link_hash_table *htab;
3420 bfd *dynobj;
3421 asection *sdyn;
3422
3423 htab = elf32_tic6x_hash_table (info);
3424 dynobj = htab->elf.dynobj;
3425 sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
3426
3427 if (elf_hash_table (info)->dynamic_sections_created)
3428 {
3429 Elf32_External_Dyn * dyncon;
3430 Elf32_External_Dyn * dynconend;
3431
3432 BFD_ASSERT (sdyn != NULL);
3433
3434 dyncon = (Elf32_External_Dyn *) sdyn->contents;
3435 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
3436
3437 for (; dyncon < dynconend; dyncon++)
3438 {
3439 Elf_Internal_Dyn dyn;
3440 asection *s;
3441
3442 bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
3443
3444 switch (dyn.d_tag)
3445 {
3446 default:
3447 break;
3448
3449 case DT_C6000_DSBT_BASE:
3450 s = htab->dsbt;
3451 dyn.d_un.d_ptr = (s->output_section->vma + s->output_offset);
3452 break;
3453
3454 case DT_PLTGOT:
3455 s = htab->elf.sgotplt;
3456 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
3457 break;
3458
3459 case DT_JMPREL:
3460 s = htab->elf.srelplt;
3461 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
3462 break;
3463
3464 case DT_PLTRELSZ:
3465 s = htab->elf.srelplt;
3466 dyn.d_un.d_val = s->size;
3467 break;
3468 }
3469 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
3470 }
3471
3472 /* Fill in the first entry in the procedure linkage table. */
3473 if (htab->elf.splt && htab->elf.splt->size > 0)
3474 {
3475 bfd_vma got_offs = (htab->elf.sgotplt->output_section->vma
3476 + htab->elf.sgotplt->output_offset
3477 - htab->dsbt->output_section->vma
3478 - htab->dsbt->output_offset) / 4;
3479
3480 /* ldw .D2T2 *+b14[$GOT(0)],b2 */
3481 bfd_put_32 (output_bfd, got_offs << 8 | 0x0100006e,
3482 htab->elf.splt->contents);
3483 /* ldw .D2T2 *+b14[$GOT(4)],b1 */
3484 bfd_put_32 (output_bfd, (got_offs + 1) << 8 | 0x0080006e,
3485 htab->elf.splt->contents + 4);
3486 /* nop 3 */
3487 bfd_put_32 (output_bfd, 0x00004000,
3488 htab->elf.splt->contents + 8);
3489 /* b .s2 b2 */
3490 bfd_put_32 (output_bfd, 0x00080362,
3491 htab->elf.splt->contents + 12);
3492 /* nop 5 */
3493 bfd_put_32 (output_bfd, 0x00008000,
3494 htab->elf.splt->contents + 16);
3495
3496 elf_section_data (htab->elf.splt->output_section)
3497 ->this_hdr.sh_entsize = PLT_ENTRY_SIZE;
3498 }
3499 }
3500
3501 return TRUE;
3502}
3503
3504/* Return address for Ith PLT stub in section PLT, for relocation REL
3505 or (bfd_vma) -1 if it should not be included. */
3506
3507static bfd_vma
3508elf32_tic6x_plt_sym_val (bfd_vma i, const asection *plt,
3509 const arelent *rel ATTRIBUTE_UNUSED)
3510{
3511 return plt->vma + (i + 1) * PLT_ENTRY_SIZE;
3512}
3513
3514static int
3515elf32_tic6x_obj_attrs_arg_type (int tag)
59e6276b 3516{
3cbd1c06 3517 if (tag == Tag_ABI_compatibility)
59e6276b 3518 return ATTR_TYPE_FLAG_INT_VAL | ATTR_TYPE_FLAG_STR_VAL;
87779176
JM		 3519 else if (tag & 1)
3520 return ATTR_TYPE_FLAG_STR_VAL;
59e6276b 3521 else
59e6276b
JM		 3522 return ATTR_TYPE_FLAG_INT_VAL;
3523}
3524
87779176
JM		 3525static int
3526elf32_tic6x_obj_attrs_order (int num)
3527{
3528 if (num == LEAST_KNOWN_OBJ_ATTRIBUTE)
3529 return Tag_ABI_conformance;
3530 if ((num - 1) < Tag_ABI_conformance)
3531 return num - 1;
3532 return num;
3533}
3534
0547accf
JM		 3535static bfd_boolean
3536elf32_tic6x_obj_attrs_handle_unknown (bfd *abfd, int tag)
3537{
3538 if ((tag & 127) < 64)
3539 {
3540 _bfd_error_handler
3541 (_("%B: error: unknown mandatory EABI object attribute %d"),
3542 abfd, tag);
3543 bfd_set_error (bfd_error_bad_value);
3544 return FALSE;
3545 }
3546 else
3547 {
3548 _bfd_error_handler
3549 (_("%B: warning: unknown EABI object attribute %d"),
3550 abfd, tag);
3551 return TRUE;
3552 }
3553}
3554
75fa6dc1 3555/* Merge the Tag_ISA attribute values ARCH1 and ARCH2
59e6276b
JM		 3556 and return the merged value. At present, all merges succeed, so no
3557 return value for errors is defined. */
3558
3559int
3560elf32_tic6x_merge_arch_attributes (int arch1, int arch2)
3561{
3562 int min_arch, max_arch;
3563
3564 min_arch = (arch1 < arch2 ? arch1 : arch2);
3565 max_arch = (arch1 > arch2 ? arch1 : arch2);
3566
3567 /* In most cases, the numerically greatest value is the correct
3568 merged value, but merging C64 and C67 results in C674X. */
75fa6dc1
JM		 3569 if ((min_arch == C6XABI_Tag_ISA_C67X
3570 || min_arch == C6XABI_Tag_ISA_C67XP)
3571 && (max_arch == C6XABI_Tag_ISA_C64X
3572 || max_arch == C6XABI_Tag_ISA_C64XP))
3573 return C6XABI_Tag_ISA_C674X;
59e6276b
JM		 3574
3575 return max_arch;
3576}
3577
87779176
JM		 3578/* Convert a Tag_ABI_array_object_alignment or
3579 Tag_ABI_array_object_align_expected tag value TAG to a
3580 corresponding alignment value; return the alignment, or -1 for an
3581 unknown tag value. */
3582
3583static int
3584elf32_tic6x_tag_to_array_alignment (int tag)
3585{
3586 switch (tag)
3587 {
3588 case 0:
3589 return 8;
3590
3591 case 1:
3592 return 4;
3593
3594 case 2:
3595 return 16;
3596
3597 default:
3598 return -1;
3599 }
3600}
3601
3602/* Convert a Tag_ABI_array_object_alignment or
3603 Tag_ABI_array_object_align_expected alignment ALIGN to a
3604 corresponding tag value; return the tag value. */
3605
3606static int
3607elf32_tic6x_array_alignment_to_tag (int align)
3608{
3609 switch (align)
3610 {
3611 case 8:
3612 return 0;
3613
3614 case 4:
3615 return 1;
3616
3617 case 16:
3618 return 2;
3619
3620 default:
3621 abort ();
3622 }
3623}
3624
59e6276b
JM		 3625/* Merge attributes from IBFD and OBFD, returning TRUE if the merge
3626 succeeded, FALSE otherwise. */
3627
3628static bfd_boolean
3629elf32_tic6x_merge_attributes (bfd *ibfd, bfd *obfd)
3630{
87779176 3631 bfd_boolean result = TRUE;
59e6276b
JM		 3632 obj_attribute *in_attr;
3633 obj_attribute *out_attr;
87779176
JM		 3634 int i;
3635 int array_align_in, array_align_out, array_expect_in, array_expect_out;
59e6276b
JM		 3636
3637 if (!elf_known_obj_attributes_proc (obfd)[0].i)
3638 {
3639 /* This is the first object. Copy the attributes. */
3640 _bfd_elf_copy_obj_attributes (ibfd, obfd);
3641
3642 out_attr = elf_known_obj_attributes_proc (obfd);
3643
3644 /* Use the Tag_null value to indicate the attributes have been
3645 initialized. */
3646 out_attr[0].i = 1;
3647
3648 return TRUE;
3649 }
3650
3651 in_attr = elf_known_obj_attributes_proc (ibfd);
3652 out_attr = elf_known_obj_attributes_proc (obfd);
3653
3654 /* No specification yet for handling of unknown attributes, so just
3655 ignore them and handle known ones. */
59e6276b 3656
87779176
JM		 3657 if (out_attr[Tag_ABI_stack_align_preserved].i
3658 < in_attr[Tag_ABI_stack_align_needed].i)
3659 {
3660 _bfd_error_handler
3661 (_("error: %B requires more stack alignment than %B preserves"),
3662 ibfd, obfd);
3663 result = FALSE;
3664 }
3665 if (in_attr[Tag_ABI_stack_align_preserved].i
3666 < out_attr[Tag_ABI_stack_align_needed].i)
3667 {
3668 _bfd_error_handler
3669 (_("error: %B requires more stack alignment than %B preserves"),
3670 obfd, ibfd);
3671 result = FALSE;
3672 }
3673
3674 array_align_in = elf32_tic6x_tag_to_array_alignment
3675 (in_attr[Tag_ABI_array_object_alignment].i);
3676 if (array_align_in == -1)
3677 {
3678 _bfd_error_handler
3679 (_("error: unknown Tag_ABI_array_object_alignment value in %B"),
3680 ibfd);
3681 result = FALSE;
3682 }
3683 array_align_out = elf32_tic6x_tag_to_array_alignment
3684 (out_attr[Tag_ABI_array_object_alignment].i);
3685 if (array_align_out == -1)
3686 {
3687 _bfd_error_handler
3688 (_("error: unknown Tag_ABI_array_object_alignment value in %B"),
3689 obfd);
3690 result = FALSE;
3691 }
3692 array_expect_in = elf32_tic6x_tag_to_array_alignment
3693 (in_attr[Tag_ABI_array_object_align_expected].i);
3694 if (array_expect_in == -1)
3695 {
3696 _bfd_error_handler
3697 (_("error: unknown Tag_ABI_array_object_align_expected value in %B"),
3698 ibfd);
3699 result = FALSE;
3700 }
3701 array_expect_out = elf32_tic6x_tag_to_array_alignment
3702 (out_attr[Tag_ABI_array_object_align_expected].i);
3703 if (array_expect_out == -1)
3704 {
3705 _bfd_error_handler
3706 (_("error: unknown Tag_ABI_array_object_align_expected value in %B"),
3707 obfd);
3708 result = FALSE;
3709 }
3710
3711 if (array_align_out < array_expect_in)
3712 {
3713 _bfd_error_handler
3714 (_("error: %B requires more array alignment than %B preserves"),
3715 ibfd, obfd);
3716 result = FALSE;
3717 }
3718 if (array_align_in < array_expect_out)
b5593623
JM		 3719 {
3720 _bfd_error_handler
87779176 3721 (_("error: %B requires more array alignment than %B preserves"),
b5593623 3722 obfd, ibfd);
87779176 3723 result = FALSE;
b5593623 3724 }
87779176
JM		 3725
3726 for (i = LEAST_KNOWN_OBJ_ATTRIBUTE; i < NUM_KNOWN_OBJ_ATTRIBUTES; i++)
3727 {
3728 switch (i)
3729 {
3730 case Tag_ISA:
3731 out_attr[i].i = elf32_tic6x_merge_arch_attributes (in_attr[i].i,
3732 out_attr[i].i);
3733 break;
3734
3735 case Tag_ABI_wchar_t:
3736 if (out_attr[i].i == 0)
3737 out_attr[i].i = in_attr[i].i;
3738 if (out_attr[i].i != 0
3739 && in_attr[i].i != 0
3740 && out_attr[i].i != in_attr[i].i)
3741 {
3742 _bfd_error_handler
3743 (_("warning: %B and %B differ in wchar_t size"), obfd, ibfd);
3744 }
3745 break;
3746
3747 case Tag_ABI_stack_align_needed:
3748 if (out_attr[i].i < in_attr[i].i)
3749 out_attr[i].i = in_attr[i].i;
3750 break;
3751
3752 case Tag_ABI_stack_align_preserved:
3753 if (out_attr[i].i > in_attr[i].i)
3754 out_attr[i].i = in_attr[i].i;
3755 break;
3756
3757 case Tag_ABI_DSBT:
3758 if (out_attr[i].i != in_attr[i].i)
3759 {
3760 _bfd_error_handler
3761 (_("warning: %B and %B differ in whether code is "
3762 "compiled for DSBT"),
3763 obfd, ibfd);
3764 }
3765 break;
3766
3767 case Tag_ABI_PID:
3768 if (out_attr[i].i != in_attr[i].i)
3769 {
3770 _bfd_error_handler
3771 (_("warning: %B and %B differ in position-dependence of "
3772 "data addressing"),
3773 obfd, ibfd);
3774 }
3775 break;
3776
3777 case Tag_ABI_PIC:
3778 if (out_attr[i].i != in_attr[i].i)
3779 {
3780 _bfd_error_handler
3781 (_("warning: %B and %B differ in position-dependence of "
3782 "code addressing"),
3783 obfd, ibfd);
3784 }
3785 break;
3786
3787 case Tag_ABI_array_object_alignment:
3788 if (array_align_out != -1
3789 && array_align_in != -1
3790 && array_align_out > array_align_in)
3791 out_attr[i].i
3792 = elf32_tic6x_array_alignment_to_tag (array_align_in);
3793 break;
3794
3795 case Tag_ABI_array_object_align_expected:
3796 if (array_expect_out != -1
3797 && array_expect_in != -1
3798 && array_expect_out < array_expect_in)
3799 out_attr[i].i
3800 = elf32_tic6x_array_alignment_to_tag (array_expect_in);
3801 break;
3802
3803 case Tag_ABI_conformance:
3804 /* Merging for this attribute is not specified. As on ARM,
3805 treat a missing attribute as no claim to conform and only
3806 merge identical values. */
3807 if (out_attr[i].s == NULL
3808 || in_attr[i].s == NULL
3809 || strcmp (out_attr[i].s,
3810 in_attr[i].s) != 0)
3811 out_attr[i].s = NULL;
3812 break;
3813
0547accf
JM		 3814 case Tag_ABI_compatibility:
3815 /* Merged in _bfd_elf_merge_object_attributes. */
3816 break;
3817
87779176 3818 default:
0547accf
JM		 3819 result
3820 = result && _bfd_elf_merge_unknown_attribute_low (ibfd, obfd, i);
87779176
JM		 3821 break;
3822 }
3823
3824 if (in_attr[i].type && !out_attr[i].type)
3825 out_attr[i].type = in_attr[i].type;
3826 }
3827
3cbd1c06
JM		 3828 /* Merge Tag_ABI_compatibility attributes and any common GNU ones. */
3829 if (!_bfd_elf_merge_object_attributes (ibfd, obfd))
3830 return FALSE;
59e6276b 3831
0547accf
JM		 3832 result &= _bfd_elf_merge_unknown_attribute_list (ibfd, obfd);
3833
87779176 3834 return result;
59e6276b
JM		 3835}
3836
3837static bfd_boolean
3838elf32_tic6x_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
3839{
3840 if (!_bfd_generic_verify_endian_match (ibfd, obfd))
3841 return FALSE;
3842
3843 if (!elf32_tic6x_merge_attributes (ibfd, obfd))
3844 return FALSE;
3845
3846 return TRUE;
3847}
3848
ac145307
BS		 3849static bfd_boolean
3850elf32_tic6x_copy_private_data (bfd * ibfd, bfd * obfd)
3851{
3852 _bfd_elf_copy_private_bfd_data (ibfd, obfd);
3853
3854 if (! is_tic6x_elf (ibfd) || ! is_tic6x_elf (obfd))
3855 return TRUE;
3856
3857 /* Copy the stack size. */
3858 if (elf_tdata (ibfd)->phdr && elf_tdata (obfd)->phdr
3859 && elf32_tic6x_using_dsbt (ibfd) && elf32_tic6x_using_dsbt (obfd))
3860 {
3861 unsigned i;
3862
3863 for (i = 0; i < elf_elfheader (ibfd)->e_phnum; i++)
3864 if (elf_tdata (ibfd)->phdr[i].p_type == PT_GNU_STACK)
3865 {
3866 Elf_Internal_Phdr *iphdr = &elf_tdata (ibfd)->phdr[i];
3867
3868 for (i = 0; i < elf_elfheader (obfd)->e_phnum; i++)
3869 if (elf_tdata (obfd)->phdr[i].p_type == PT_GNU_STACK)
3870 {
3871 memcpy (&elf_tdata (obfd)->phdr[i], iphdr, sizeof (*iphdr));
3872
3873 /* Rewrite the phdrs, since we're only called after they
3874 were first written. */
3875 if (bfd_seek (obfd,
3876 (bfd_signed_vma) get_elf_backend_data (obfd)
3877 ->s->sizeof_ehdr, SEEK_SET) != 0
3878 || get_elf_backend_data (obfd)->s
3879 ->write_out_phdrs (obfd, elf_tdata (obfd)->phdr,
3880 elf_elfheader (obfd)->e_phnum) != 0)
3881 return FALSE;
3882 break;
3883 }
3884
3885 break;
3886 }
3887 }
3888
3889 return TRUE;
3890}
40b36596
JM		 3891
3892#define TARGET_LITTLE_SYM bfd_elf32_tic6x_le_vec
3893#define TARGET_LITTLE_NAME "elf32-tic6x-le"
3894#define TARGET_BIG_SYM bfd_elf32_tic6x_be_vec
3895#define TARGET_BIG_NAME "elf32-tic6x-be"
3896#define ELF_ARCH bfd_arch_tic6x
ae95ffa6 3897#define ELF_TARGET_ID TIC6X_ELF_DATA
40b36596 3898#define ELF_MACHINE_CODE EM_TI_C6000
ac145307 3899#define ELF_MAXPAGESIZE 0x1000
40b36596
JM		 3900#define bfd_elf32_bfd_reloc_type_lookup elf32_tic6x_reloc_type_lookup
3901#define bfd_elf32_bfd_reloc_name_lookup elf32_tic6x_reloc_name_lookup
ac145307 3902#define bfd_elf32_bfd_copy_private_bfd_data elf32_tic6x_copy_private_data
59e6276b 3903#define bfd_elf32_bfd_merge_private_bfd_data elf32_tic6x_merge_private_bfd_data
41820509 3904#define bfd_elf32_mkobject elf32_tic6x_mkobject
ac145307
BS		 3905#define bfd_elf32_bfd_link_hash_table_create elf32_tic6x_link_hash_table_create
3906#define bfd_elf32_bfd_link_hash_table_free elf32_tic6x_link_hash_table_free
41820509 3907#define bfd_elf32_new_section_hook elf32_tic6x_new_section_hook
40b36596
JM		 3908#define elf_backend_can_gc_sections 1
3909#define elf_backend_default_use_rela_p 1
3910#define elf_backend_may_use_rel_p 1
3911#define elf_backend_may_use_rela_p 1
59e6276b 3912#define elf_backend_obj_attrs_arg_type elf32_tic6x_obj_attrs_arg_type
0547accf 3913#define elf_backend_obj_attrs_handle_unknown elf32_tic6x_obj_attrs_handle_unknown
87779176 3914#define elf_backend_obj_attrs_order elf32_tic6x_obj_attrs_order
75fa6dc1 3915#define elf_backend_obj_attrs_section ".c6xabi.attributes"
59e6276b
JM		 3916#define elf_backend_obj_attrs_section_type SHT_C6000_ATTRIBUTES
3917#define elf_backend_obj_attrs_vendor "c6xabi"
ac145307
BS		 3918#define elf_backend_can_refcount 1
3919#define elf_backend_want_got_plt 1
3920#define elf_backend_want_dynbss 1
3921#define elf_backend_plt_readonly 1
40b36596 3922#define elf_backend_rela_normal 1
ac145307
BS		 3923#define elf_backend_got_header_size 8
3924#define elf_backend_gc_sweep_hook elf32_tic6x_gc_sweep_hook
3925#define elf_backend_modify_program_headers \
3926 elf32_tic6x_modify_program_headers
3927#define elf_backend_create_dynamic_sections \
3928 elf32_tic6x_create_dynamic_sections
3929#define elf_backend_adjust_dynamic_symbol \
3930 elf32_tic6x_adjust_dynamic_symbol
3931#define elf_backend_check_relocs elf32_tic6x_check_relocs
3932#define elf_backend_add_symbol_hook elf32_tic6x_add_symbol_hook
3933#define elf_backend_symbol_processing elf32_tic6x_symbol_processing
3934#define elf_backend_link_output_symbol_hook \
3935 elf32_tic6x_link_output_symbol_hook
3936#define elf_backend_section_from_bfd_section \
3937 elf32_tic6x_section_from_bfd_section
40b36596 3938#define elf_backend_relocate_section elf32_tic6x_relocate_section
ac145307
BS		 3939#define elf_backend_finish_dynamic_symbol \
3940 elf32_tic6x_finish_dynamic_symbol
3941#define elf_backend_always_size_sections \
3942 elf32_tic6x_always_size_sections
3943#define elf_backend_size_dynamic_sections \
3944 elf32_tic6x_size_dynamic_sections
3945#define elf_backend_finish_dynamic_sections \
3946 elf32_tic6x_finish_dynamic_sections
40b36596 3947#define elf_info_to_howto elf32_tic6x_info_to_howto
41820509 3948#define elf_info_to_howto_rel elf32_tic6x_info_to_howto_rel
40b36596 3949
ac145307
BS		 3950#undef elf_backend_omit_section_dynsym
3951#define elf_backend_omit_section_dynsym elf32_tic6x_link_omit_section_dynsym
3952#define elf_backend_plt_sym_val elf32_tic6x_plt_sym_val
3953
3954
40b36596 3955#include "elf32-target.h"
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