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gdb: Convert language la_sniff_from_mangled_name field to a method
[deliverable/binutils-gdb.git] / bfd / elf32-tic6x.c
CommitLineData
40b36596 1/* 32-bit ELF support for TI C6X
b3adc24a 2 Copyright (C) 2010-2020 Free Software Foundation, Inc.
c0621d88 3 Contributed by Joseph Myers <joseph@codesourcery.com>
07d6d2b8 4 Bernd Schmidt <bernds@codesourcery.com>
40b36596
JM		 5
6 This file is part of BFD, the Binary File Descriptor library.
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
21 MA 02110-1301, USA. */
22
23#include "sysdep.h"
fbd9ad90 24#include <limits.h>
40b36596
JM		 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
ac145307
BS		 46 /* C6X specific command line arguments. */
47 struct elf32_tic6x_params params;
48
49 /* Small local sym cache. */
50 struct sym_cache sym_cache;
51
52 /* The output BFD, for convenience. */
53 bfd *obfd;
54
55 /* The .dsbt section. */
56 asection *dsbt;
57};
58
59/* Get the TI C6X ELF linker hash table from a link_info structure. */
60
61#define elf32_tic6x_hash_table(p) \
62 ((struct elf32_tic6x_link_hash_table *) ((p)->hash))
63
fbd9ad90
PB		 64typedef enum
65{
66 DELETE_EXIDX_ENTRY,
67 INSERT_EXIDX_CANTUNWIND_AT_END
68}
69tic6x_unwind_edit_type;
70
71/* A (sorted) list of edits to apply to an unwind table. */
72typedef struct tic6x_unwind_table_edit
73{
74 tic6x_unwind_edit_type type;
75 /* Note: we sometimes want to insert an unwind entry corresponding to a
76 section different from the one we're currently writing out, so record the
77 (text) section this edit relates to here. */
78 asection *linked_section;
79 unsigned int index;
80 struct tic6x_unwind_table_edit *next;
81}
82tic6x_unwind_table_edit;
83
84typedef struct _tic6x_elf_section_data
85{
86 /* Information about mapping symbols. */
87 struct bfd_elf_section_data elf;
88 /* Information about unwind tables. */
89 union
90 {
91 /* Unwind info attached to a text section. */
92 struct
93 {
94 asection *tic6x_exidx_sec;
95 } text;
96
97 /* Unwind info attached to an .c6xabi.exidx section. */
98 struct
99 {
100 tic6x_unwind_table_edit *unwind_edit_list;
101 tic6x_unwind_table_edit *unwind_edit_tail;
102 } exidx;
103 } u;
104}
105_tic6x_elf_section_data;
106
107#define elf32_tic6x_section_data(sec) \
108 ((_tic6x_elf_section_data *) elf_section_data (sec))
109
41820509
JM		 110struct elf32_tic6x_obj_tdata
111{
112 struct elf_obj_tdata root;
113
114 /* Whether to use RELA relocations when generating relocations.
115 This is a per-object flag to allow the assembler to generate REL
116 relocations for use in linker testcases. */
117 bfd_boolean use_rela_p;
118};
119
120#define elf32_tic6x_tdata(abfd) \
121 ((struct elf32_tic6x_obj_tdata *) (abfd)->tdata.any)
40b36596 122
ac145307
BS		 123#define is_tic6x_elf(bfd) \
124 (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
125 && elf_tdata (bfd) != NULL \
126 && elf_object_id (bfd) == TIC6X_ELF_DATA)
127
128/* C6X ELF uses two common sections. One is the usual one, and the
129 other is for small objects. All the small objects are kept
130 together, and then referenced via the gp pointer, which yields
131 faster assembler code. This is what we use for the small common
132 section. This approach is copied from ecoff.c. */
133static asection tic6x_elf_scom_section;
134static asymbol tic6x_elf_scom_symbol;
135static asymbol *tic6x_elf_scom_symbol_ptr;
136
40b36596
JM		 137static reloc_howto_type elf32_tic6x_howto_table[] =
138{
139 HOWTO (R_C6000_NONE, /* type */
140 0, /* rightshift */
6346d5ca 141 3, /* size (0 = byte, 1 = short, 2 = long) */
40b36596
JM		 142 0, /* bitsize */
143 FALSE, /* pc_relative */
144 0, /* bitpos */
145 complain_overflow_dont,/* complain_on_overflow */
146 bfd_elf_generic_reloc, /* special_function */
147 "R_C6000_NONE", /* name */
41820509
JM		 148 FALSE, /* partial_inplace */
149 0, /* src_mask */
150 0, /* dst_mask */
151 FALSE), /* pcrel_offset */
152 HOWTO (R_C6000_ABS32, /* type */
153 0, /* rightshift */
154 2, /* size (0 = byte, 1 = short, 2 = long) */
155 32, /* bitsize */
156 FALSE, /* pc_relative */
157 0, /* bitpos */
158 complain_overflow_dont,/* complain_on_overflow */
159 bfd_elf_generic_reloc, /* special_function */
160 "R_C6000_ABS32", /* name */
161 FALSE, /* partial_inplace */
162 0, /* src_mask */
163 0xffffffff, /* dst_mask */
164 FALSE), /* pcrel_offset */
165 HOWTO (R_C6000_ABS16, /* type */
166 0, /* rightshift */
167 1, /* size (0 = byte, 1 = short, 2 = long) */
168 16, /* bitsize */
169 FALSE, /* pc_relative */
170 0, /* bitpos */
171 complain_overflow_bitfield,/* complain_on_overflow */
172 bfd_elf_generic_reloc, /* special_function */
173 "R_C6000_ABS16", /* name */
174 FALSE, /* partial_inplace */
175 0, /* src_mask */
176 0x0000ffff, /* dst_mask */
177 FALSE), /* pcrel_offset */
178 HOWTO (R_C6000_ABS8, /* type */
179 0, /* rightshift */
180 0, /* size (0 = byte, 1 = short, 2 = long) */
181 8, /* bitsize */
182 FALSE, /* pc_relative */
183 0, /* bitpos */
184 complain_overflow_bitfield,/* complain_on_overflow */
185 bfd_elf_generic_reloc, /* special_function */
186 "R_C6000_ABS8", /* name */
187 FALSE, /* partial_inplace */
188 0, /* src_mask */
189 0x000000ff, /* dst_mask */
190 FALSE), /* pcrel_offset */
191 HOWTO (R_C6000_PCR_S21, /* type */
192 2, /* rightshift */
193 2, /* size (0 = byte, 1 = short, 2 = long) */
194 21, /* bitsize */
195 TRUE, /* pc_relative */
196 7, /* bitpos */
197 complain_overflow_signed,/* complain_on_overflow */
198 bfd_elf_generic_reloc, /* special_function */
199 "R_C6000_PCR_S21", /* name */
200 FALSE, /* partial_inplace */
201 0, /* src_mask */
202 0x0fffff80, /* dst_mask */
203 TRUE), /* pcrel_offset */
204 HOWTO (R_C6000_PCR_S12, /* type */
205 2, /* rightshift */
206 2, /* size (0 = byte, 1 = short, 2 = long) */
207 12, /* bitsize */
208 TRUE, /* pc_relative */
209 16, /* bitpos */
210 complain_overflow_signed,/* complain_on_overflow */
211 bfd_elf_generic_reloc, /* special_function */
212 "R_C6000_PCR_S12", /* name */
213 FALSE, /* partial_inplace */
214 0, /* src_mask */
215 0x0fff0000, /* dst_mask */
216 TRUE), /* pcrel_offset */
217 HOWTO (R_C6000_PCR_S10, /* type */
218 2, /* rightshift */
219 2, /* size (0 = byte, 1 = short, 2 = long) */
220 10, /* bitsize */
221 TRUE, /* pc_relative */
222 13, /* bitpos */
223 complain_overflow_signed,/* complain_on_overflow */
224 bfd_elf_generic_reloc, /* special_function */
225 "R_C6000_PCR_S10", /* name */
226 FALSE, /* partial_inplace */
227 0, /* src_mask */
228 0x007fe000, /* dst_mask */
229 TRUE), /* pcrel_offset */
230 HOWTO (R_C6000_PCR_S7, /* type */
231 2, /* rightshift */
232 2, /* size (0 = byte, 1 = short, 2 = long) */
233 7, /* bitsize */
234 TRUE, /* pc_relative */
235 16, /* bitpos */
236 complain_overflow_signed,/* complain_on_overflow */
237 bfd_elf_generic_reloc, /* special_function */
238 "R_C6000_PCR_S7", /* name */
239 FALSE, /* partial_inplace */
240 0, /* src_mask */
241 0x007f0000, /* dst_mask */
242 TRUE), /* pcrel_offset */
243 HOWTO (R_C6000_ABS_S16, /* type */
244 0, /* rightshift */
245 2, /* size (0 = byte, 1 = short, 2 = long) */
246 16, /* bitsize */
247 FALSE, /* pc_relative */
248 7, /* bitpos */
249 complain_overflow_signed,/* complain_on_overflow */
250 bfd_elf_generic_reloc, /* special_function */
251 "R_C6000_ABS_S16", /* name */
252 FALSE, /* partial_inplace */
253 0, /* src_mask */
254 0x007fff80, /* dst_mask */
255 FALSE), /* pcrel_offset */
256 HOWTO (R_C6000_ABS_L16, /* type */
257 0, /* rightshift */
258 2, /* size (0 = byte, 1 = short, 2 = long) */
259 16, /* bitsize */
260 FALSE, /* pc_relative */
261 7, /* bitpos */
262 complain_overflow_dont,/* complain_on_overflow */
263 bfd_elf_generic_reloc, /* special_function */
264 "R_C6000_ABS_L16", /* name */
265 FALSE, /* partial_inplace */
266 0, /* src_mask */
267 0x007fff80, /* dst_mask */
268 FALSE), /* pcrel_offset */
269 HOWTO (R_C6000_ABS_H16, /* type */
270 16, /* rightshift */
271 2, /* size (0 = byte, 1 = short, 2 = long) */
272 16, /* bitsize */
273 FALSE, /* pc_relative */
274 7, /* bitpos */
275 complain_overflow_dont,/* complain_on_overflow */
276 bfd_elf_generic_reloc, /* special_function */
277 "R_C6000_ABS_H16", /* name */
278 FALSE, /* partial_inplace */
279 0, /* src_mask */
280 0x007fff80, /* dst_mask */
281 FALSE), /* pcrel_offset */
282 HOWTO (R_C6000_SBR_U15_B, /* type */
283 0, /* rightshift */
284 2, /* size (0 = byte, 1 = short, 2 = long) */
285 15, /* bitsize */
286 FALSE, /* pc_relative */
287 8, /* bitpos */
288 complain_overflow_unsigned,/* complain_on_overflow */
289 bfd_elf_generic_reloc, /* special_function */
290 "R_C6000_SBR_U15_B", /* name */
291 FALSE, /* partial_inplace */
292 0, /* src_mask */
293 0x007fff00, /* dst_mask */
294 FALSE), /* pcrel_offset */
295 HOWTO (R_C6000_SBR_U15_H, /* type */
296 1, /* rightshift */
297 2, /* size (0 = byte, 1 = short, 2 = long) */
298 15, /* bitsize */
299 FALSE, /* pc_relative */
300 8, /* bitpos */
301 complain_overflow_unsigned,/* complain_on_overflow */
302 bfd_elf_generic_reloc, /* special_function */
303 "R_C6000_SBR_U15_H", /* name */
304 FALSE, /* partial_inplace */
305 0, /* src_mask */
306 0x007fff00, /* dst_mask */
307 FALSE), /* pcrel_offset */
308 HOWTO (R_C6000_SBR_U15_W, /* type */
309 2, /* rightshift */
310 2, /* size (0 = byte, 1 = short, 2 = long) */
311 15, /* bitsize */
312 FALSE, /* pc_relative */
313 8, /* bitpos */
314 complain_overflow_unsigned,/* complain_on_overflow */
315 bfd_elf_generic_reloc, /* special_function */
316 "R_C6000_SBR_U15_W", /* name */
317 FALSE, /* partial_inplace */
318 0, /* src_mask */
319 0x007fff00, /* dst_mask */
320 FALSE), /* pcrel_offset */
321 HOWTO (R_C6000_SBR_S16, /* type */
322 0, /* rightshift */
323 2, /* size (0 = byte, 1 = short, 2 = long) */
324 16, /* bitsize */
325 FALSE, /* pc_relative */
326 7, /* bitpos */
327 complain_overflow_signed,/* complain_on_overflow */
328 bfd_elf_generic_reloc, /* special_function */
329 "R_C6000_SBR_S16", /* name */
330 FALSE, /* partial_inplace */
331 0, /* src_mask */
332 0x007fff80, /* dst_mask */
333 FALSE), /* pcrel_offset */
334 HOWTO (R_C6000_SBR_L16_B, /* type */
335 0, /* rightshift */
336 2, /* size (0 = byte, 1 = short, 2 = long) */
337 16, /* bitsize */
338 FALSE, /* pc_relative */
339 7, /* bitpos */
340 complain_overflow_dont,/* complain_on_overflow */
341 bfd_elf_generic_reloc, /* special_function */
342 "R_C6000_SBR_L16_B", /* name */
343 FALSE, /* partial_inplace */
344 0, /* src_mask */
345 0x007fff80, /* dst_mask */
346 FALSE), /* pcrel_offset */
347 HOWTO (R_C6000_SBR_L16_H, /* type */
348 1, /* rightshift */
349 2, /* size (0 = byte, 1 = short, 2 = long) */
350 16, /* bitsize */
351 FALSE, /* pc_relative */
352 7, /* bitpos */
353 complain_overflow_dont,/* complain_on_overflow */
354 bfd_elf_generic_reloc, /* special_function */
355 "R_C6000_SBR_L16_H", /* name */
356 FALSE, /* partial_inplace */
357 0, /* src_mask */
358 0x007fff80, /* dst_mask */
359 FALSE), /* pcrel_offset */
360 HOWTO (R_C6000_SBR_L16_W, /* type */
361 2, /* rightshift */
362 2, /* size (0 = byte, 1 = short, 2 = long) */
363 16, /* bitsize */
364 FALSE, /* pc_relative */
365 7, /* bitpos */
366 complain_overflow_dont,/* complain_on_overflow */
367 bfd_elf_generic_reloc, /* special_function */
368 "R_C6000_SBR_L16_W", /* name */
369 FALSE, /* partial_inplace */
370 0, /* src_mask */
371 0x007fff80, /* dst_mask */
372 FALSE), /* pcrel_offset */
373 HOWTO (R_C6000_SBR_H16_B, /* type */
374 16, /* rightshift */
375 2, /* size (0 = byte, 1 = short, 2 = long) */
376 16, /* bitsize */
377 FALSE, /* pc_relative */
378 7, /* bitpos */
379 complain_overflow_dont,/* complain_on_overflow */
380 bfd_elf_generic_reloc, /* special_function */
381 "R_C6000_SBR_H16_B", /* name */
382 FALSE, /* partial_inplace */
383 0, /* src_mask */
384 0x007fff80, /* dst_mask */
385 FALSE), /* pcrel_offset */
386 HOWTO (R_C6000_SBR_H16_H, /* type */
387 17, /* rightshift */
388 2, /* size (0 = byte, 1 = short, 2 = long) */
389 16, /* bitsize */
390 FALSE, /* pc_relative */
391 7, /* bitpos */
392 complain_overflow_dont,/* complain_on_overflow */
393 bfd_elf_generic_reloc, /* special_function */
394 "R_C6000_SBR_H16_H", /* name */
395 FALSE, /* partial_inplace */
396 0, /* src_mask */
397 0x007fff80, /* dst_mask */
398 FALSE), /* pcrel_offset */
399 HOWTO (R_C6000_SBR_H16_W, /* type */
400 18, /* rightshift */
401 2, /* size (0 = byte, 1 = short, 2 = long) */
402 16, /* bitsize */
403 FALSE, /* pc_relative */
404 7, /* bitpos */
405 complain_overflow_dont,/* complain_on_overflow */
406 bfd_elf_generic_reloc, /* special_function */
407 "R_C6000_SBR_H16_W", /* name */
408 FALSE, /* partial_inplace */
409 0, /* src_mask */
410 0x007fff80, /* dst_mask */
411 FALSE), /* pcrel_offset */
412 HOWTO (R_C6000_SBR_GOT_U15_W, /* type */
413 2, /* rightshift */
414 2, /* size (0 = byte, 1 = short, 2 = long) */
415 15, /* bitsize */
416 FALSE, /* pc_relative */
417 8, /* bitpos */
418 complain_overflow_unsigned,/* complain_on_overflow */
419 bfd_elf_generic_reloc, /* special_function */
420 "R_C6000_SBR_GOT_U15_W",/* name */
421 FALSE, /* partial_inplace */
422 0, /* src_mask */
423 0x007fff00, /* dst_mask */
424 FALSE), /* pcrel_offset */
425 HOWTO (R_C6000_SBR_GOT_L16_W, /* type */
426 2, /* rightshift */
427 2, /* size (0 = byte, 1 = short, 2 = long) */
428 16, /* bitsize */
429 FALSE, /* pc_relative */
430 7, /* bitpos */
431 complain_overflow_dont,/* complain_on_overflow */
432 bfd_elf_generic_reloc, /* special_function */
433 "R_C6000_SBR_GOT_L16_W",/* name */
434 FALSE, /* partial_inplace */
435 0, /* src_mask */
436 0x007fff80, /* dst_mask */
437 FALSE), /* pcrel_offset */
438 HOWTO (R_C6000_SBR_GOT_H16_W, /* type */
439 18, /* rightshift */
440 2, /* size (0 = byte, 1 = short, 2 = long) */
441 16, /* bitsize */
442 FALSE, /* pc_relative */
443 7, /* bitpos */
444 complain_overflow_dont,/* complain_on_overflow */
445 bfd_elf_generic_reloc, /* special_function */
446 "R_C6000_SBR_GOT_H16_W",/* name */
447 FALSE, /* partial_inplace */
448 0, /* src_mask */
449 0x007fff80, /* dst_mask */
450 FALSE), /* pcrel_offset */
451 HOWTO (R_C6000_DSBT_INDEX, /* type */
452 0, /* rightshift */
453 2, /* size (0 = byte, 1 = short, 2 = long) */
454 15, /* bitsize */
455 FALSE, /* pc_relative */
456 8, /* bitpos */
457 complain_overflow_unsigned,/* complain_on_overflow */
458 bfd_elf_generic_reloc, /* special_function */
459 "R_C6000_DSBT_INDEX", /* name */
460 FALSE, /* partial_inplace */
461 0, /* src_mask */
462 0x007fff00, /* dst_mask */
463 FALSE), /* pcrel_offset */
464 HOWTO (R_C6000_PREL31, /* type */
465 1, /* rightshift */
466 2, /* size (0 = byte, 1 = short, 2 = long) */
467 31, /* bitsize */
44e87ece 468 TRUE, /* pc_relative */
41820509
JM		 469 0, /* bitpos */
470 complain_overflow_dont,/* complain_on_overflow */
471 bfd_elf_generic_reloc, /* special_function */
472 "R_C6000_PREL31", /* name */
473 FALSE, /* partial_inplace */
474 0, /* src_mask */
475 0x7fffffff, /* dst_mask */
44e87ece 476 TRUE), /* pcrel_offset */
41820509
JM		 477 HOWTO (R_C6000_COPY, /* type */
478 0, /* rightshift */
479 2, /* size (0 = byte, 1 = short, 2 = long) */
480 32, /* bitsize */
481 FALSE, /* pc_relative */
482 0, /* bitpos */
483 complain_overflow_dont,/* complain_on_overflow */
484 bfd_elf_generic_reloc, /* special_function */
485 "R_C6000_COPY", /* name */
486 FALSE, /* partial_inplace */
487 0, /* src_mask */
488 0xffffffff, /* dst_mask */
489 FALSE), /* pcrel_offset */
ac145307
BS		 490 HOWTO (R_C6000_JUMP_SLOT, /* type */
491 0, /* rightshift */
492 2, /* size (0 = byte, 1 = short, 2 = long) */
493 32, /* bitsize */
494 FALSE, /* pc_relative */
495 0, /* bitpos */
496 complain_overflow_dont,/* complain_on_overflow */
497 bfd_elf_generic_reloc, /* special_function */
498 "R_C6000_JUMP_SLOT", /* name */
499 FALSE, /* partial_inplace */
500 0, /* src_mask */
501 0xffffffff, /* dst_mask */
502 FALSE), /* pcrel_offset */
2fbb87f6
PB		 503 HOWTO (R_C6000_EHTYPE, /* type */
504 0, /* rightshift */
505 2, /* size (0 = byte, 1 = short, 2 = long) */
506 32, /* bitsize */
507 FALSE, /* pc_relative */
508 0, /* bitpos */
509 complain_overflow_dont,/* complain_on_overflow */
510 bfd_elf_generic_reloc, /* special_function */
511 "R_C6000_EHTYPE", /* name */
512 FALSE, /* partial_inplace */
513 0, /* src_mask */
514 0xffffffff, /* dst_mask */
515 FALSE), /* pcrel_offset */
4a732032
BS		 516 HOWTO (R_C6000_PCR_H16, /* type */
517 16, /* rightshift */
518 2, /* size (0 = byte, 1 = short, 2 = long) */
519 16, /* bitsize */
520 TRUE, /* pc_relative */
521 7, /* bitpos */
522 complain_overflow_dont,/* complain_on_overflow */
523 bfd_elf_generic_reloc, /* special_function */
524 "R_C6000_PCR_H16", /* name */
525 FALSE, /* partial_inplace */
526 0, /* src_mask */
527 0x007fff80, /* dst_mask */
528 TRUE), /* pcrel_offset */
529 HOWTO (R_C6000_PCR_L16, /* type */
530 0, /* rightshift */
531 2, /* size (0 = byte, 1 = short, 2 = long) */
532 16, /* bitsize */
533 TRUE, /* pc_relative */
534 7, /* bitpos */
535 complain_overflow_dont,/* complain_on_overflow */
536 bfd_elf_generic_reloc, /* special_function */
537 "R_C6000_PCR_L16", /* name */
538 FALSE, /* partial_inplace */
539 0, /* src_mask */
540 0x007fff80, /* dst_mask */
541 TRUE), /* pcrel_offset */
41820509
JM		 542 EMPTY_HOWTO (31),
543 EMPTY_HOWTO (32),
544 EMPTY_HOWTO (33),
545 EMPTY_HOWTO (34),
546 EMPTY_HOWTO (35),
547 EMPTY_HOWTO (36),
548 EMPTY_HOWTO (37),
549 EMPTY_HOWTO (38),
550 EMPTY_HOWTO (39),
551 EMPTY_HOWTO (40),
552 EMPTY_HOWTO (41),
553 EMPTY_HOWTO (42),
554 EMPTY_HOWTO (43),
555 EMPTY_HOWTO (44),
556 EMPTY_HOWTO (45),
557 EMPTY_HOWTO (46),
558 EMPTY_HOWTO (47),
559 EMPTY_HOWTO (48),
560 EMPTY_HOWTO (49),
561 EMPTY_HOWTO (50),
562 EMPTY_HOWTO (51),
563 EMPTY_HOWTO (52),
564 EMPTY_HOWTO (53),
565 EMPTY_HOWTO (54),
566 EMPTY_HOWTO (55),
567 EMPTY_HOWTO (56),
568 EMPTY_HOWTO (57),
569 EMPTY_HOWTO (58),
570 EMPTY_HOWTO (59),
571 EMPTY_HOWTO (60),
572 EMPTY_HOWTO (61),
573 EMPTY_HOWTO (62),
574 EMPTY_HOWTO (63),
575 EMPTY_HOWTO (64),
576 EMPTY_HOWTO (65),
577 EMPTY_HOWTO (66),
578 EMPTY_HOWTO (67),
579 EMPTY_HOWTO (68),
580 EMPTY_HOWTO (69),
581 EMPTY_HOWTO (70),
582 EMPTY_HOWTO (71),
583 EMPTY_HOWTO (72),
584 EMPTY_HOWTO (73),
585 EMPTY_HOWTO (74),
586 EMPTY_HOWTO (75),
587 EMPTY_HOWTO (76),
588 EMPTY_HOWTO (77),
589 EMPTY_HOWTO (78),
590 EMPTY_HOWTO (79),
591 EMPTY_HOWTO (80),
592 EMPTY_HOWTO (81),
593 EMPTY_HOWTO (82),
594 EMPTY_HOWTO (83),
595 EMPTY_HOWTO (84),
596 EMPTY_HOWTO (85),
597 EMPTY_HOWTO (86),
598 EMPTY_HOWTO (87),
599 EMPTY_HOWTO (88),
600 EMPTY_HOWTO (89),
601 EMPTY_HOWTO (90),
602 EMPTY_HOWTO (91),
603 EMPTY_HOWTO (92),
604 EMPTY_HOWTO (93),
605 EMPTY_HOWTO (94),
606 EMPTY_HOWTO (95),
607 EMPTY_HOWTO (96),
608 EMPTY_HOWTO (97),
609 EMPTY_HOWTO (98),
610 EMPTY_HOWTO (99),
611 EMPTY_HOWTO (100),
612 EMPTY_HOWTO (101),
613 EMPTY_HOWTO (102),
614 EMPTY_HOWTO (103),
615 EMPTY_HOWTO (104),
616 EMPTY_HOWTO (105),
617 EMPTY_HOWTO (106),
618 EMPTY_HOWTO (107),
619 EMPTY_HOWTO (108),
620 EMPTY_HOWTO (109),
621 EMPTY_HOWTO (110),
622 EMPTY_HOWTO (111),
623 EMPTY_HOWTO (112),
624 EMPTY_HOWTO (113),
625 EMPTY_HOWTO (114),
626 EMPTY_HOWTO (115),
627 EMPTY_HOWTO (116),
628 EMPTY_HOWTO (117),
629 EMPTY_HOWTO (118),
630 EMPTY_HOWTO (119),
631 EMPTY_HOWTO (120),
632 EMPTY_HOWTO (121),
633 EMPTY_HOWTO (122),
634 EMPTY_HOWTO (123),
635 EMPTY_HOWTO (124),
636 EMPTY_HOWTO (125),
637 EMPTY_HOWTO (126),
638 EMPTY_HOWTO (127),
639 EMPTY_HOWTO (128),
640 EMPTY_HOWTO (129),
641 EMPTY_HOWTO (130),
642 EMPTY_HOWTO (131),
643 EMPTY_HOWTO (132),
644 EMPTY_HOWTO (133),
645 EMPTY_HOWTO (134),
646 EMPTY_HOWTO (135),
647 EMPTY_HOWTO (136),
648 EMPTY_HOWTO (137),
649 EMPTY_HOWTO (138),
650 EMPTY_HOWTO (139),
651 EMPTY_HOWTO (140),
652 EMPTY_HOWTO (141),
653 EMPTY_HOWTO (142),
654 EMPTY_HOWTO (143),
655 EMPTY_HOWTO (144),
656 EMPTY_HOWTO (145),
657 EMPTY_HOWTO (146),
658 EMPTY_HOWTO (147),
659 EMPTY_HOWTO (148),
660 EMPTY_HOWTO (149),
661 EMPTY_HOWTO (150),
662 EMPTY_HOWTO (151),
663 EMPTY_HOWTO (152),
664 EMPTY_HOWTO (153),
665 EMPTY_HOWTO (154),
666 EMPTY_HOWTO (155),
667 EMPTY_HOWTO (156),
668 EMPTY_HOWTO (157),
669 EMPTY_HOWTO (158),
670 EMPTY_HOWTO (159),
671 EMPTY_HOWTO (160),
672 EMPTY_HOWTO (161),
673 EMPTY_HOWTO (162),
674 EMPTY_HOWTO (163),
675 EMPTY_HOWTO (164),
676 EMPTY_HOWTO (165),
677 EMPTY_HOWTO (166),
678 EMPTY_HOWTO (167),
679 EMPTY_HOWTO (168),
680 EMPTY_HOWTO (169),
681 EMPTY_HOWTO (170),
682 EMPTY_HOWTO (171),
683 EMPTY_HOWTO (172),
684 EMPTY_HOWTO (173),
685 EMPTY_HOWTO (174),
686 EMPTY_HOWTO (175),
687 EMPTY_HOWTO (176),
688 EMPTY_HOWTO (177),
689 EMPTY_HOWTO (178),
690 EMPTY_HOWTO (179),
691 EMPTY_HOWTO (180),
692 EMPTY_HOWTO (181),
693 EMPTY_HOWTO (182),
694 EMPTY_HOWTO (183),
695 EMPTY_HOWTO (184),
696 EMPTY_HOWTO (185),
697 EMPTY_HOWTO (186),
698 EMPTY_HOWTO (187),
699 EMPTY_HOWTO (188),
700 EMPTY_HOWTO (189),
701 EMPTY_HOWTO (190),
702 EMPTY_HOWTO (191),
703 EMPTY_HOWTO (192),
704 EMPTY_HOWTO (193),
705 EMPTY_HOWTO (194),
706 EMPTY_HOWTO (195),
707 EMPTY_HOWTO (196),
708 EMPTY_HOWTO (197),
709 EMPTY_HOWTO (198),
710 EMPTY_HOWTO (199),
711 EMPTY_HOWTO (200),
712 EMPTY_HOWTO (201),
713 EMPTY_HOWTO (202),
714 EMPTY_HOWTO (203),
715 EMPTY_HOWTO (204),
716 EMPTY_HOWTO (205),
717 EMPTY_HOWTO (206),
718 EMPTY_HOWTO (207),
719 EMPTY_HOWTO (208),
720 EMPTY_HOWTO (209),
721 EMPTY_HOWTO (210),
722 EMPTY_HOWTO (211),
723 EMPTY_HOWTO (212),
724 EMPTY_HOWTO (213),
725 EMPTY_HOWTO (214),
726 EMPTY_HOWTO (215),
727 EMPTY_HOWTO (216),
728 EMPTY_HOWTO (217),
729 EMPTY_HOWTO (218),
730 EMPTY_HOWTO (219),
731 EMPTY_HOWTO (220),
732 EMPTY_HOWTO (221),
733 EMPTY_HOWTO (222),
734 EMPTY_HOWTO (223),
735 EMPTY_HOWTO (224),
736 EMPTY_HOWTO (225),
737 EMPTY_HOWTO (226),
738 EMPTY_HOWTO (227),
739 EMPTY_HOWTO (228),
740 EMPTY_HOWTO (229),
741 EMPTY_HOWTO (230),
742 EMPTY_HOWTO (231),
743 EMPTY_HOWTO (232),
744 EMPTY_HOWTO (233),
745 EMPTY_HOWTO (234),
746 EMPTY_HOWTO (235),
747 EMPTY_HOWTO (236),
748 EMPTY_HOWTO (237),
749 EMPTY_HOWTO (238),
750 EMPTY_HOWTO (239),
751 EMPTY_HOWTO (240),
752 EMPTY_HOWTO (241),
753 EMPTY_HOWTO (242),
754 EMPTY_HOWTO (243),
755 EMPTY_HOWTO (244),
756 EMPTY_HOWTO (245),
757 EMPTY_HOWTO (246),
758 EMPTY_HOWTO (247),
759 EMPTY_HOWTO (248),
760 EMPTY_HOWTO (249),
761 EMPTY_HOWTO (250),
762 EMPTY_HOWTO (251),
763 EMPTY_HOWTO (252),
764 HOWTO (R_C6000_ALIGN, /* type */
765 0, /* rightshift */
766 0, /* size (0 = byte, 1 = short, 2 = long) */
767 0, /* 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_ALIGN", /* name */
773 FALSE, /* partial_inplace */
774 0, /* src_mask */
775 0, /* dst_mask */
776 FALSE), /* pcrel_offset */
777 HOWTO (R_C6000_FPHEAD, /* type */
778 0, /* rightshift */
779 0, /* size (0 = byte, 1 = short, 2 = long) */
780 0, /* bitsize */
781 FALSE, /* pc_relative */
782 0, /* bitpos */
783 complain_overflow_dont,/* complain_on_overflow */
784 bfd_elf_generic_reloc, /* special_function */
785 "R_C6000_FPHEAD", /* name */
786 FALSE, /* partial_inplace */
787 0, /* src_mask */
788 0, /* dst_mask */
789 FALSE), /* pcrel_offset */
790 HOWTO (R_C6000_NOCMP, /* type */
791 0, /* rightshift */
792 0, /* size (0 = byte, 1 = short, 2 = long) */
793 0, /* bitsize */
794 FALSE, /* pc_relative */
795 0, /* bitpos */
796 complain_overflow_dont,/* complain_on_overflow */
797 bfd_elf_generic_reloc, /* special_function */
798 "R_C6000_NOCMP", /* name */
799 FALSE, /* partial_inplace */
800 0, /* src_mask */
801 0, /* dst_mask */
802 FALSE) /* pcrel_offset */
803};
804
805static reloc_howto_type elf32_tic6x_howto_table_rel[] =
806{
807 HOWTO (R_C6000_NONE, /* type */
808 0, /* rightshift */
6346d5ca 809 3, /* size (0 = byte, 1 = short, 2 = long) */
41820509
JM		 810 0, /* bitsize */
811 FALSE, /* pc_relative */
812 0, /* bitpos */
813 complain_overflow_dont,/* complain_on_overflow */
814 bfd_elf_generic_reloc, /* special_function */
815 "R_C6000_NONE", /* name */
816 TRUE, /* partial_inplace */
40b36596
JM		 817 0, /* src_mask */
818 0, /* dst_mask */
819 FALSE), /* pcrel_offset */
820 HOWTO (R_C6000_ABS32, /* type */
821 0, /* rightshift */
822 2, /* size (0 = byte, 1 = short, 2 = long) */
823 32, /* bitsize */
824 FALSE, /* pc_relative */
825 0, /* bitpos */
826 complain_overflow_dont,/* complain_on_overflow */
827 bfd_elf_generic_reloc, /* special_function */
828 "R_C6000_ABS32", /* name */
41820509
JM		 829 TRUE, /* partial_inplace */
830 0xffffffff, /* src_mask */
40b36596
JM		 831 0xffffffff, /* dst_mask */
832 FALSE), /* pcrel_offset */
833 HOWTO (R_C6000_ABS16, /* type */
834 0, /* rightshift */
835 1, /* size (0 = byte, 1 = short, 2 = long) */
836 16, /* bitsize */
837 FALSE, /* pc_relative */
838 0, /* bitpos */
839 complain_overflow_bitfield,/* complain_on_overflow */
840 bfd_elf_generic_reloc, /* special_function */
841 "R_C6000_ABS16", /* name */
41820509
JM		 842 TRUE, /* partial_inplace */
843 0x0000ffff, /* src_mask */
40b36596
JM		 844 0x0000ffff, /* dst_mask */
845 FALSE), /* pcrel_offset */
846 HOWTO (R_C6000_ABS8, /* type */
847 0, /* rightshift */
848 0, /* size (0 = byte, 1 = short, 2 = long) */
849 8, /* bitsize */
850 FALSE, /* pc_relative */
851 0, /* bitpos */
852 complain_overflow_bitfield,/* complain_on_overflow */
853 bfd_elf_generic_reloc, /* special_function */
854 "R_C6000_ABS8", /* name */
41820509
JM		 855 TRUE, /* partial_inplace */
856 0x000000ff, /* src_mask */
40b36596
JM		 857 0x000000ff, /* dst_mask */
858 FALSE), /* pcrel_offset */
859 HOWTO (R_C6000_PCR_S21, /* type */
860 2, /* rightshift */
861 2, /* size (0 = byte, 1 = short, 2 = long) */
862 21, /* bitsize */
863 TRUE, /* pc_relative */
864 7, /* bitpos */
865 complain_overflow_signed,/* complain_on_overflow */
866 bfd_elf_generic_reloc, /* special_function */
867 "R_C6000_PCR_S21", /* name */
41820509
JM		 868 TRUE, /* partial_inplace */
869 0x0fffff80, /* src_mask */
40b36596
JM		 870 0x0fffff80, /* dst_mask */
871 TRUE), /* pcrel_offset */
872 HOWTO (R_C6000_PCR_S12, /* type */
873 2, /* rightshift */
874 2, /* size (0 = byte, 1 = short, 2 = long) */
875 12, /* bitsize */
876 TRUE, /* pc_relative */
877 16, /* bitpos */
878 complain_overflow_signed,/* complain_on_overflow */
879 bfd_elf_generic_reloc, /* special_function */
880 "R_C6000_PCR_S12", /* name */
41820509
JM		 881 TRUE, /* partial_inplace */
882 0x0fff0000, /* src_mask */
40b36596
JM		 883 0x0fff0000, /* dst_mask */
884 TRUE), /* pcrel_offset */
885 HOWTO (R_C6000_PCR_S10, /* type */
886 2, /* rightshift */
887 2, /* size (0 = byte, 1 = short, 2 = long) */
888 10, /* bitsize */
889 TRUE, /* pc_relative */
890 13, /* bitpos */
891 complain_overflow_signed,/* complain_on_overflow */
892 bfd_elf_generic_reloc, /* special_function */
893 "R_C6000_PCR_S10", /* name */
41820509
JM		 894 TRUE, /* partial_inplace */
895 0x007fe000, /* src_mask */
40b36596
JM		 896 0x007fe000, /* dst_mask */
897 TRUE), /* pcrel_offset */
898 HOWTO (R_C6000_PCR_S7, /* type */
899 2, /* rightshift */
900 2, /* size (0 = byte, 1 = short, 2 = long) */
901 7, /* bitsize */
902 TRUE, /* pc_relative */
903 16, /* bitpos */
904 complain_overflow_signed,/* complain_on_overflow */
905 bfd_elf_generic_reloc, /* special_function */
906 "R_C6000_PCR_S7", /* name */
41820509
JM		 907 TRUE, /* partial_inplace */
908 0x007f0000, /* src_mask */
40b36596
JM		 909 0x007f0000, /* dst_mask */
910 TRUE), /* pcrel_offset */
911 HOWTO (R_C6000_ABS_S16, /* type */
912 0, /* rightshift */
913 2, /* size (0 = byte, 1 = short, 2 = long) */
914 16, /* bitsize */
915 FALSE, /* pc_relative */
916 7, /* bitpos */
917 complain_overflow_signed,/* complain_on_overflow */
918 bfd_elf_generic_reloc, /* special_function */
919 "R_C6000_ABS_S16", /* name */
41820509
JM		 920 TRUE, /* partial_inplace */
921 0x007fff80, /* src_mask */
40b36596
JM		 922 0x007fff80, /* dst_mask */
923 FALSE), /* pcrel_offset */
924 HOWTO (R_C6000_ABS_L16, /* type */
925 0, /* rightshift */
926 2, /* size (0 = byte, 1 = short, 2 = long) */
927 16, /* bitsize */
928 FALSE, /* pc_relative */
929 7, /* bitpos */
930 complain_overflow_dont,/* complain_on_overflow */
931 bfd_elf_generic_reloc, /* special_function */
932 "R_C6000_ABS_L16", /* name */
41820509
JM		 933 TRUE, /* partial_inplace */
934 0x007fff80, /* src_mask */
40b36596
JM		 935 0x007fff80, /* dst_mask */
936 FALSE), /* pcrel_offset */
41820509 937 EMPTY_HOWTO (R_C6000_ABS_H16),
40b36596
JM		 938 HOWTO (R_C6000_SBR_U15_B, /* type */
939 0, /* rightshift */
940 2, /* size (0 = byte, 1 = short, 2 = long) */
941 15, /* bitsize */
942 FALSE, /* pc_relative */
943 8, /* bitpos */
944 complain_overflow_unsigned,/* complain_on_overflow */
945 bfd_elf_generic_reloc, /* special_function */
946 "R_C6000_SBR_U15_B", /* name */
41820509
JM		 947 TRUE, /* partial_inplace */
948 0x007fff00, /* src_mask */
40b36596
JM		 949 0x007fff00, /* dst_mask */
950 FALSE), /* pcrel_offset */
951 HOWTO (R_C6000_SBR_U15_H, /* type */
952 1, /* rightshift */
953 2, /* size (0 = byte, 1 = short, 2 = long) */
954 15, /* bitsize */
955 FALSE, /* pc_relative */
956 8, /* bitpos */
957 complain_overflow_unsigned,/* complain_on_overflow */
958 bfd_elf_generic_reloc, /* special_function */
959 "R_C6000_SBR_U15_H", /* name */
41820509
JM		 960 TRUE, /* partial_inplace */
961 0x007fff00, /* src_mask */
40b36596
JM		 962 0x007fff00, /* dst_mask */
963 FALSE), /* pcrel_offset */
964 HOWTO (R_C6000_SBR_U15_W, /* type */
965 2, /* rightshift */
966 2, /* size (0 = byte, 1 = short, 2 = long) */
967 15, /* bitsize */
968 FALSE, /* pc_relative */
969 8, /* bitpos */
970 complain_overflow_unsigned,/* complain_on_overflow */
971 bfd_elf_generic_reloc, /* special_function */
972 "R_C6000_SBR_U15_W", /* name */
41820509
JM		 973 TRUE, /* partial_inplace */
974 0x007fff00, /* src_mask */
40b36596
JM		 975 0x007fff00, /* dst_mask */
976 FALSE), /* pcrel_offset */
977 HOWTO (R_C6000_SBR_S16, /* type */
978 0, /* rightshift */
979 2, /* size (0 = byte, 1 = short, 2 = long) */
980 16, /* bitsize */
981 FALSE, /* pc_relative */
982 7, /* bitpos */
983 complain_overflow_signed,/* complain_on_overflow */
984 bfd_elf_generic_reloc, /* special_function */
985 "R_C6000_SBR_S16", /* name */
41820509
JM		 986 TRUE, /* partial_inplace */
987 0x007fff80, /* src_mask */
40b36596
JM		 988 0x007fff80, /* dst_mask */
989 FALSE), /* pcrel_offset */
990 HOWTO (R_C6000_SBR_L16_B, /* type */
991 0, /* rightshift */
992 2, /* size (0 = byte, 1 = short, 2 = long) */
993 16, /* bitsize */
994 FALSE, /* pc_relative */
995 7, /* bitpos */
996 complain_overflow_dont,/* complain_on_overflow */
997 bfd_elf_generic_reloc, /* special_function */
998 "R_C6000_SBR_L16_B", /* name */
41820509
JM		 999 TRUE, /* partial_inplace */
1000 0x007fff80, /* src_mask */
40b36596
JM		 1001 0x007fff80, /* dst_mask */
1002 FALSE), /* pcrel_offset */
1003 HOWTO (R_C6000_SBR_L16_H, /* type */
1004 1, /* rightshift */
1005 2, /* size (0 = byte, 1 = short, 2 = long) */
1006 16, /* bitsize */
1007 FALSE, /* pc_relative */
1008 7, /* bitpos */
1009 complain_overflow_dont,/* complain_on_overflow */
1010 bfd_elf_generic_reloc, /* special_function */
1011 "R_C6000_SBR_L16_H", /* name */
41820509
JM		 1012 TRUE, /* partial_inplace */
1013 0x007fff80, /* src_mask */
40b36596
JM		 1014 0x007fff80, /* dst_mask */
1015 FALSE), /* pcrel_offset */
1016 HOWTO (R_C6000_SBR_L16_W, /* type */
1017 2, /* rightshift */
1018 2, /* size (0 = byte, 1 = short, 2 = long) */
1019 16, /* bitsize */
1020 FALSE, /* pc_relative */
1021 7, /* bitpos */
1022 complain_overflow_dont,/* complain_on_overflow */
1023 bfd_elf_generic_reloc, /* special_function */
1024 "R_C6000_SBR_L16_W", /* name */
41820509
JM		 1025 TRUE, /* partial_inplace */
1026 0x007fff80, /* src_mask */
40b36596
JM		 1027 0x007fff80, /* dst_mask */
1028 FALSE), /* pcrel_offset */
41820509
JM		 1029 EMPTY_HOWTO (R_C6000_SBR_H16_B),
1030 EMPTY_HOWTO (R_C6000_SBR_H16_H),
1031 EMPTY_HOWTO (R_C6000_SBR_H16_W),
40b36596
JM		 1032 HOWTO (R_C6000_SBR_GOT_U15_W, /* type */
1033 2, /* rightshift */
1034 2, /* size (0 = byte, 1 = short, 2 = long) */
1035 15, /* bitsize */
1036 FALSE, /* pc_relative */
1037 8, /* bitpos */
1038 complain_overflow_unsigned,/* complain_on_overflow */
1039 bfd_elf_generic_reloc, /* special_function */
1040 "R_C6000_SBR_GOT_U15_W",/* name */
41820509
JM		 1041 TRUE, /* partial_inplace */
1042 0x007fff00, /* src_mask */
40b36596
JM		 1043 0x007fff00, /* dst_mask */
1044 FALSE), /* pcrel_offset */
1045 HOWTO (R_C6000_SBR_GOT_L16_W, /* type */
1046 2, /* rightshift */
1047 2, /* size (0 = byte, 1 = short, 2 = long) */
1048 16, /* bitsize */
1049 FALSE, /* pc_relative */
1050 7, /* bitpos */
1051 complain_overflow_dont,/* complain_on_overflow */
1052 bfd_elf_generic_reloc, /* special_function */
1053 "R_C6000_SBR_GOT_L16_W",/* name */
41820509
JM		 1054 TRUE, /* partial_inplace */
1055 0x007fff80, /* src_mask */
40b36596
JM		 1056 0x007fff80, /* dst_mask */
1057 FALSE), /* pcrel_offset */
41820509 1058 EMPTY_HOWTO (R_C6000_SBR_GOT_H16_W),
40b36596
JM		 1059 HOWTO (R_C6000_DSBT_INDEX, /* type */
1060 0, /* rightshift */
1061 2, /* size (0 = byte, 1 = short, 2 = long) */
1062 15, /* bitsize */
1063 FALSE, /* pc_relative */
1064 8, /* bitpos */
1065 complain_overflow_unsigned,/* complain_on_overflow */
1066 bfd_elf_generic_reloc, /* special_function */
1067 "R_C6000_DSBT_INDEX", /* name */
41820509 1068 TRUE, /* partial_inplace */
40b36596
JM		 1069 0, /* src_mask */
1070 0x007fff00, /* dst_mask */
1071 FALSE), /* pcrel_offset */
1072 HOWTO (R_C6000_PREL31, /* type */
1073 1, /* rightshift */
1074 2, /* size (0 = byte, 1 = short, 2 = long) */
1075 31, /* bitsize */
44e87ece 1076 TRUE, /* pc_relative */
40b36596
JM		 1077 0, /* bitpos */
1078 complain_overflow_dont,/* complain_on_overflow */
1079 bfd_elf_generic_reloc, /* special_function */
1080 "R_C6000_PREL31", /* name */
41820509 1081 TRUE, /* partial_inplace */
40b36596
JM		 1082 0, /* src_mask */
1083 0x7fffffff, /* dst_mask */
44e87ece 1084 TRUE), /* pcrel_offset */
40b36596
JM		 1085 HOWTO (R_C6000_COPY, /* type */
1086 0, /* rightshift */
1087 2, /* size (0 = byte, 1 = short, 2 = long) */
1088 32, /* bitsize */
1089 FALSE, /* pc_relative */
1090 0, /* bitpos */
1091 complain_overflow_dont,/* complain_on_overflow */
1092 bfd_elf_generic_reloc, /* special_function */
1093 "R_C6000_COPY", /* name */
41820509 1094 TRUE, /* partial_inplace */
40b36596
JM		 1095 0, /* src_mask */
1096 0xffffffff, /* dst_mask */
1097 FALSE), /* pcrel_offset */
ac145307
BS		 1098 HOWTO (R_C6000_JUMP_SLOT, /* type */
1099 0, /* rightshift */
1100 2, /* size (0 = byte, 1 = short, 2 = long) */
1101 32, /* bitsize */
1102 FALSE, /* pc_relative */
1103 0, /* bitpos */
1104 complain_overflow_dont,/* complain_on_overflow */
1105 bfd_elf_generic_reloc, /* special_function */
1106 "R_C6000_JUMP_SLOT", /* name */
1107 FALSE, /* partial_inplace */
1108 0, /* src_mask */
1109 0xffffffff, /* dst_mask */
1110 FALSE), /* pcrel_offset */
2fbb87f6
PB		 1111 HOWTO (R_C6000_EHTYPE, /* type */
1112 0, /* rightshift */
1113 2, /* size (0 = byte, 1 = short, 2 = long) */
1114 32, /* bitsize */
1115 FALSE, /* pc_relative */
1116 0, /* bitpos */
1117 complain_overflow_dont,/* complain_on_overflow */
1118 bfd_elf_generic_reloc, /* special_function */
1119 "R_C6000_EHTYPE", /* name */
1120 FALSE, /* partial_inplace */
1121 0, /* src_mask */
1122 0xffffffff, /* dst_mask */
1123 FALSE), /* pcrel_offset */
4a732032
BS		 1124 EMPTY_HOWTO (R_C6000_PCR_H16),
1125 EMPTY_HOWTO (R_C6000_PCR_L16),
40b36596
JM		 1126 EMPTY_HOWTO (31),
1127 EMPTY_HOWTO (32),
1128 EMPTY_HOWTO (33),
1129 EMPTY_HOWTO (34),
1130 EMPTY_HOWTO (35),
1131 EMPTY_HOWTO (36),
1132 EMPTY_HOWTO (37),
1133 EMPTY_HOWTO (38),
1134 EMPTY_HOWTO (39),
1135 EMPTY_HOWTO (40),
1136 EMPTY_HOWTO (41),
1137 EMPTY_HOWTO (42),
1138 EMPTY_HOWTO (43),
1139 EMPTY_HOWTO (44),
1140 EMPTY_HOWTO (45),
1141 EMPTY_HOWTO (46),
1142 EMPTY_HOWTO (47),
1143 EMPTY_HOWTO (48),
1144 EMPTY_HOWTO (49),
1145 EMPTY_HOWTO (50),
1146 EMPTY_HOWTO (51),
1147 EMPTY_HOWTO (52),
1148 EMPTY_HOWTO (53),
1149 EMPTY_HOWTO (54),
1150 EMPTY_HOWTO (55),
1151 EMPTY_HOWTO (56),
1152 EMPTY_HOWTO (57),
1153 EMPTY_HOWTO (58),
1154 EMPTY_HOWTO (59),
1155 EMPTY_HOWTO (60),
1156 EMPTY_HOWTO (61),
1157 EMPTY_HOWTO (62),
1158 EMPTY_HOWTO (63),
1159 EMPTY_HOWTO (64),
1160 EMPTY_HOWTO (65),
1161 EMPTY_HOWTO (66),
1162 EMPTY_HOWTO (67),
1163 EMPTY_HOWTO (68),
1164 EMPTY_HOWTO (69),
1165 EMPTY_HOWTO (70),
1166 EMPTY_HOWTO (71),
1167 EMPTY_HOWTO (72),
1168 EMPTY_HOWTO (73),
1169 EMPTY_HOWTO (74),
1170 EMPTY_HOWTO (75),
1171 EMPTY_HOWTO (76),
1172 EMPTY_HOWTO (77),
1173 EMPTY_HOWTO (78),
1174 EMPTY_HOWTO (79),
1175 EMPTY_HOWTO (80),
1176 EMPTY_HOWTO (81),
1177 EMPTY_HOWTO (82),
1178 EMPTY_HOWTO (83),
1179 EMPTY_HOWTO (84),
1180 EMPTY_HOWTO (85),
1181 EMPTY_HOWTO (86),
1182 EMPTY_HOWTO (87),
1183 EMPTY_HOWTO (88),
1184 EMPTY_HOWTO (89),
1185 EMPTY_HOWTO (90),
1186 EMPTY_HOWTO (91),
1187 EMPTY_HOWTO (92),
1188 EMPTY_HOWTO (93),
1189 EMPTY_HOWTO (94),
1190 EMPTY_HOWTO (95),
1191 EMPTY_HOWTO (96),
1192 EMPTY_HOWTO (97),
1193 EMPTY_HOWTO (98),
1194 EMPTY_HOWTO (99),
1195 EMPTY_HOWTO (100),
1196 EMPTY_HOWTO (101),
1197 EMPTY_HOWTO (102),
1198 EMPTY_HOWTO (103),
1199 EMPTY_HOWTO (104),
1200 EMPTY_HOWTO (105),
1201 EMPTY_HOWTO (106),
1202 EMPTY_HOWTO (107),
1203 EMPTY_HOWTO (108),
1204 EMPTY_HOWTO (109),
1205 EMPTY_HOWTO (110),
1206 EMPTY_HOWTO (111),
1207 EMPTY_HOWTO (112),
1208 EMPTY_HOWTO (113),
1209 EMPTY_HOWTO (114),
1210 EMPTY_HOWTO (115),
1211 EMPTY_HOWTO (116),
1212 EMPTY_HOWTO (117),
1213 EMPTY_HOWTO (118),
1214 EMPTY_HOWTO (119),
1215 EMPTY_HOWTO (120),
1216 EMPTY_HOWTO (121),
1217 EMPTY_HOWTO (122),
1218 EMPTY_HOWTO (123),
1219 EMPTY_HOWTO (124),
1220 EMPTY_HOWTO (125),
1221 EMPTY_HOWTO (126),
1222 EMPTY_HOWTO (127),
1223 EMPTY_HOWTO (128),
1224 EMPTY_HOWTO (129),
1225 EMPTY_HOWTO (130),
1226 EMPTY_HOWTO (131),
1227 EMPTY_HOWTO (132),
1228 EMPTY_HOWTO (133),
1229 EMPTY_HOWTO (134),
1230 EMPTY_HOWTO (135),
1231 EMPTY_HOWTO (136),
1232 EMPTY_HOWTO (137),
1233 EMPTY_HOWTO (138),
1234 EMPTY_HOWTO (139),
1235 EMPTY_HOWTO (140),
1236 EMPTY_HOWTO (141),
1237 EMPTY_HOWTO (142),
1238 EMPTY_HOWTO (143),
1239 EMPTY_HOWTO (144),
1240 EMPTY_HOWTO (145),
1241 EMPTY_HOWTO (146),
1242 EMPTY_HOWTO (147),
1243 EMPTY_HOWTO (148),
1244 EMPTY_HOWTO (149),
1245 EMPTY_HOWTO (150),
1246 EMPTY_HOWTO (151),
1247 EMPTY_HOWTO (152),
1248 EMPTY_HOWTO (153),
1249 EMPTY_HOWTO (154),
1250 EMPTY_HOWTO (155),
1251 EMPTY_HOWTO (156),
1252 EMPTY_HOWTO (157),
1253 EMPTY_HOWTO (158),
1254 EMPTY_HOWTO (159),
1255 EMPTY_HOWTO (160),
1256 EMPTY_HOWTO (161),
1257 EMPTY_HOWTO (162),
1258 EMPTY_HOWTO (163),
1259 EMPTY_HOWTO (164),
1260 EMPTY_HOWTO (165),
1261 EMPTY_HOWTO (166),
1262 EMPTY_HOWTO (167),
1263 EMPTY_HOWTO (168),
1264 EMPTY_HOWTO (169),
1265 EMPTY_HOWTO (170),
1266 EMPTY_HOWTO (171),
1267 EMPTY_HOWTO (172),
1268 EMPTY_HOWTO (173),
1269 EMPTY_HOWTO (174),
1270 EMPTY_HOWTO (175),
1271 EMPTY_HOWTO (176),
1272 EMPTY_HOWTO (177),
1273 EMPTY_HOWTO (178),
1274 EMPTY_HOWTO (179),
1275 EMPTY_HOWTO (180),
1276 EMPTY_HOWTO (181),
1277 EMPTY_HOWTO (182),
1278 EMPTY_HOWTO (183),
1279 EMPTY_HOWTO (184),
1280 EMPTY_HOWTO (185),
1281 EMPTY_HOWTO (186),
1282 EMPTY_HOWTO (187),
1283 EMPTY_HOWTO (188),
1284 EMPTY_HOWTO (189),
1285 EMPTY_HOWTO (190),
1286 EMPTY_HOWTO (191),
1287 EMPTY_HOWTO (192),
1288 EMPTY_HOWTO (193),
1289 EMPTY_HOWTO (194),
1290 EMPTY_HOWTO (195),
1291 EMPTY_HOWTO (196),
1292 EMPTY_HOWTO (197),
1293 EMPTY_HOWTO (198),
1294 EMPTY_HOWTO (199),
1295 EMPTY_HOWTO (200),
1296 EMPTY_HOWTO (201),
1297 EMPTY_HOWTO (202),
1298 EMPTY_HOWTO (203),
1299 EMPTY_HOWTO (204),
1300 EMPTY_HOWTO (205),
1301 EMPTY_HOWTO (206),
1302 EMPTY_HOWTO (207),
1303 EMPTY_HOWTO (208),
1304 EMPTY_HOWTO (209),
1305 EMPTY_HOWTO (210),
1306 EMPTY_HOWTO (211),
1307 EMPTY_HOWTO (212),
1308 EMPTY_HOWTO (213),
1309 EMPTY_HOWTO (214),
1310 EMPTY_HOWTO (215),
1311 EMPTY_HOWTO (216),
1312 EMPTY_HOWTO (217),
1313 EMPTY_HOWTO (218),
1314 EMPTY_HOWTO (219),
1315 EMPTY_HOWTO (220),
1316 EMPTY_HOWTO (221),
1317 EMPTY_HOWTO (222),
1318 EMPTY_HOWTO (223),
1319 EMPTY_HOWTO (224),
1320 EMPTY_HOWTO (225),
1321 EMPTY_HOWTO (226),
1322 EMPTY_HOWTO (227),
1323 EMPTY_HOWTO (228),
1324 EMPTY_HOWTO (229),
1325 EMPTY_HOWTO (230),
1326 EMPTY_HOWTO (231),
1327 EMPTY_HOWTO (232),
1328 EMPTY_HOWTO (233),
1329 EMPTY_HOWTO (234),
1330 EMPTY_HOWTO (235),
1331 EMPTY_HOWTO (236),
1332 EMPTY_HOWTO (237),
1333 EMPTY_HOWTO (238),
1334 EMPTY_HOWTO (239),
1335 EMPTY_HOWTO (240),
1336 EMPTY_HOWTO (241),
1337 EMPTY_HOWTO (242),
1338 EMPTY_HOWTO (243),
1339 EMPTY_HOWTO (244),
1340 EMPTY_HOWTO (245),
1341 EMPTY_HOWTO (246),
1342 EMPTY_HOWTO (247),
1343 EMPTY_HOWTO (248),
1344 EMPTY_HOWTO (249),
1345 EMPTY_HOWTO (250),
1346 EMPTY_HOWTO (251),
1347 EMPTY_HOWTO (252),
1348 HOWTO (R_C6000_ALIGN, /* type */
1349 0, /* rightshift */
1350 0, /* size (0 = byte, 1 = short, 2 = long) */
1351 0, /* bitsize */
1352 FALSE, /* pc_relative */
1353 0, /* bitpos */
1354 complain_overflow_dont,/* complain_on_overflow */
1355 bfd_elf_generic_reloc, /* special_function */
1356 "R_C6000_ALIGN", /* name */
41820509 1357 TRUE, /* partial_inplace */
40b36596
JM		 1358 0, /* src_mask */
1359 0, /* dst_mask */
1360 FALSE), /* pcrel_offset */
1361 HOWTO (R_C6000_FPHEAD, /* type */
1362 0, /* rightshift */
1363 0, /* size (0 = byte, 1 = short, 2 = long) */
1364 0, /* bitsize */
1365 FALSE, /* pc_relative */
1366 0, /* bitpos */
1367 complain_overflow_dont,/* complain_on_overflow */
1368 bfd_elf_generic_reloc, /* special_function */
1369 "R_C6000_FPHEAD", /* name */
41820509 1370 TRUE, /* partial_inplace */
40b36596
JM		 1371 0, /* src_mask */
1372 0, /* dst_mask */
1373 FALSE), /* pcrel_offset */
1374 HOWTO (R_C6000_NOCMP, /* type */
1375 0, /* rightshift */
1376 0, /* size (0 = byte, 1 = short, 2 = long) */
1377 0, /* bitsize */
1378 FALSE, /* pc_relative */
1379 0, /* bitpos */
1380 complain_overflow_dont,/* complain_on_overflow */
1381 bfd_elf_generic_reloc, /* special_function */
1382 "R_C6000_NOCMP", /* name */
41820509 1383 TRUE, /* partial_inplace */
40b36596
JM		 1384 0, /* src_mask */
1385 0, /* dst_mask */
1386 FALSE) /* pcrel_offset */
1387};
1388
1389/* Map BFD relocations to ELF relocations. */
1390
1391typedef struct
1392{
1393 bfd_reloc_code_real_type bfd_reloc_val;
1394 enum elf_tic6x_reloc_type elf_reloc_val;
1395} tic6x_reloc_map;
1396
1397static const tic6x_reloc_map elf32_tic6x_reloc_map[] =
1398 {
1399 { BFD_RELOC_NONE, R_C6000_NONE },
1400 { BFD_RELOC_32, R_C6000_ABS32 },
1401 { BFD_RELOC_16, R_C6000_ABS16 },
1402 { BFD_RELOC_8, R_C6000_ABS8 },
1403 { BFD_RELOC_C6000_PCR_S21, R_C6000_PCR_S21 },
1404 { BFD_RELOC_C6000_PCR_S12, R_C6000_PCR_S12 },
1405 { BFD_RELOC_C6000_PCR_S10, R_C6000_PCR_S10 },
1406 { BFD_RELOC_C6000_PCR_S7, R_C6000_PCR_S7 },
1407 { BFD_RELOC_C6000_ABS_S16, R_C6000_ABS_S16 },
1408 { BFD_RELOC_C6000_ABS_L16, R_C6000_ABS_L16 },
1409 { BFD_RELOC_C6000_ABS_H16, R_C6000_ABS_H16 },
1410 { BFD_RELOC_C6000_SBR_U15_B, R_C6000_SBR_U15_B },
1411 { BFD_RELOC_C6000_SBR_U15_H, R_C6000_SBR_U15_H },
1412 { BFD_RELOC_C6000_SBR_U15_W, R_C6000_SBR_U15_W },
1413 { BFD_RELOC_C6000_SBR_S16, R_C6000_SBR_S16 },
1414 { BFD_RELOC_C6000_SBR_L16_B, R_C6000_SBR_L16_B },
1415 { BFD_RELOC_C6000_SBR_L16_H, R_C6000_SBR_L16_H },
1416 { BFD_RELOC_C6000_SBR_L16_W, R_C6000_SBR_L16_W },
1417 { BFD_RELOC_C6000_SBR_H16_B, R_C6000_SBR_H16_B },
1418 { BFD_RELOC_C6000_SBR_H16_H, R_C6000_SBR_H16_H },
1419 { BFD_RELOC_C6000_SBR_H16_W, R_C6000_SBR_H16_W },
1420 { BFD_RELOC_C6000_SBR_GOT_U15_W, R_C6000_SBR_GOT_U15_W },
1421 { BFD_RELOC_C6000_SBR_GOT_L16_W, R_C6000_SBR_GOT_L16_W },
1422 { BFD_RELOC_C6000_SBR_GOT_H16_W, R_C6000_SBR_GOT_H16_W },
1423 { BFD_RELOC_C6000_DSBT_INDEX, R_C6000_DSBT_INDEX },
1424 { BFD_RELOC_C6000_PREL31, R_C6000_PREL31 },
1425 { BFD_RELOC_C6000_COPY, R_C6000_COPY },
ac145307
BS		 1426 { BFD_RELOC_C6000_JUMP_SLOT, R_C6000_JUMP_SLOT },
1427 { BFD_RELOC_C6000_EHTYPE, R_C6000_EHTYPE },
1428 { BFD_RELOC_C6000_PCR_H16, R_C6000_PCR_H16 },
1429 { BFD_RELOC_C6000_PCR_L16, R_C6000_PCR_L16 },
40b36596
JM		 1430 { BFD_RELOC_C6000_ALIGN, R_C6000_ALIGN },
1431 { BFD_RELOC_C6000_FPHEAD, R_C6000_FPHEAD },
1432 { BFD_RELOC_C6000_NOCMP, R_C6000_NOCMP }
1433 };
1434
1435static reloc_howto_type *
41820509 1436elf32_tic6x_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code)
40b36596
JM		 1437{
1438 unsigned int i;
1439
1440 for (i = 0; i < ARRAY_SIZE (elf32_tic6x_reloc_map); i++)
1441 if (elf32_tic6x_reloc_map[i].bfd_reloc_val == code)
41820509
JM		 1442 {
1443 enum elf_tic6x_reloc_type elf_reloc_val;
1444 reloc_howto_type *howto;
1445
1446 elf_reloc_val = elf32_tic6x_reloc_map[i].elf_reloc_val;
1447 if (elf32_tic6x_tdata (abfd)->use_rela_p)
1448 howto = &elf32_tic6x_howto_table[elf_reloc_val];
1449 else
1450 howto = &elf32_tic6x_howto_table_rel[elf_reloc_val];
1451
1452 /* Some relocations are RELA-only; do not return them for
1453 REL. */
1454 if (howto->name == NULL)
1455 howto = NULL;
1456
1457 return howto;
1458 }
40b36596
JM		 1459
1460 return NULL;
1461}
1462
1463static reloc_howto_type *
41820509 1464elf32_tic6x_reloc_name_lookup (bfd *abfd, const char *r_name)
40b36596 1465{
41820509
JM		 1466 if (elf32_tic6x_tdata (abfd)->use_rela_p)
1467 {
1468 unsigned int i;
1469
1470 for (i = 0; i < ARRAY_SIZE (elf32_tic6x_howto_table); i++)
1471 if (elf32_tic6x_howto_table[i].name != NULL
1472 && strcasecmp (elf32_tic6x_howto_table[i].name, r_name) == 0)
1473 return &elf32_tic6x_howto_table[i];
1474 }
1475 else
1476 {
1477 unsigned int i;
40b36596 1478
41820509
JM		 1479 for (i = 0; i < ARRAY_SIZE (elf32_tic6x_howto_table_rel); i++)
1480 if (elf32_tic6x_howto_table_rel[i].name != NULL
1481 && strcasecmp (elf32_tic6x_howto_table_rel[i].name, r_name) == 0)
1482 return &elf32_tic6x_howto_table_rel[i];
1483 }
40b36596
JM		 1484
1485 return NULL;
1486}
1487
f3185997 1488static bfd_boolean
40b36596
JM		 1489elf32_tic6x_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *bfd_reloc,
1490 Elf_Internal_Rela *elf_reloc)
1491{
1492 unsigned int r_type;
1493
1494 r_type = ELF32_R_TYPE (elf_reloc->r_info);
1495 if (r_type >= ARRAY_SIZE (elf32_tic6x_howto_table))
f3185997
NC		 1496 {
1497 /* xgettext:c-format */
1498 _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
1499 abfd, r_type);
1500 bfd_set_error (bfd_error_bad_value);
1501 return FALSE;
1502 }
1503
1504 bfd_reloc->howto = &elf32_tic6x_howto_table[r_type];
1505 if (bfd_reloc->howto == NULL || bfd_reloc->howto->name == NULL)
1506 {
1507 /* xgettext:c-format */
1508 _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
1509 abfd, r_type);
1510 bfd_set_error (bfd_error_bad_value);
1511 return FALSE;
1512 }
1513
1514 return TRUE;
40b36596
JM		 1515}
1516
f3185997 1517static bfd_boolean
41820509
JM		 1518elf32_tic6x_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED, arelent *bfd_reloc,
1519 Elf_Internal_Rela *elf_reloc)
1520{
1521 unsigned int r_type;
1522
1523 r_type = ELF32_R_TYPE (elf_reloc->r_info);
1524 if (r_type >= ARRAY_SIZE (elf32_tic6x_howto_table_rel))
f3185997
NC		 1525 {
1526 /* xgettext:c-format */
1527 _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
1528 abfd, r_type);
1529 bfd_set_error (bfd_error_bad_value);
1530 return FALSE;
1531 }
1532
1533 bfd_reloc->howto = &elf32_tic6x_howto_table_rel[r_type];
1534 if (bfd_reloc->howto == NULL || bfd_reloc->howto->name == NULL)
1535 {
1536 /* xgettext:c-format */
1537 _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
1538 abfd, r_type);
1539 bfd_set_error (bfd_error_bad_value);
1540 return FALSE;
1541 }
1542
1543 return TRUE;
41820509
JM		 1544}
1545
1546void
1547elf32_tic6x_set_use_rela_p (bfd *abfd, bfd_boolean use_rela_p)
1548{
1549 elf32_tic6x_tdata (abfd)->use_rela_p = use_rela_p;
1550}
1551
ac145307
BS		 1552/* Create a C6X ELF linker hash table. */
1553
1554static struct bfd_link_hash_table *
1555elf32_tic6x_link_hash_table_create (bfd *abfd)
1556{
1557 struct elf32_tic6x_link_hash_table *ret;
986f0783 1558 size_t amt = sizeof (struct elf32_tic6x_link_hash_table);
ac145307 1559
7bf52ea2 1560 ret = bfd_zmalloc (amt);
ac145307
BS		 1561 if (ret == NULL)
1562 return NULL;
1563
1564 if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd,
190eb1dd
L		 1565 _bfd_elf_link_hash_newfunc,
1566 sizeof (struct elf_link_hash_entry),
ac145307
BS		 1567 TIC6X_ELF_DATA))
1568 {
1569 free (ret);
1570 return NULL;
1571 }
1572
ac145307
BS		 1573 ret->obfd = abfd;
1574 ret->elf.is_relocatable_executable = 1;
1575
1576 return &ret->elf.root;
1577}
1578
c6a8f6e0
BS		 1579static bfd_boolean
1580elf32_tic6x_final_link (bfd *abfd, struct bfd_link_info *info)
1581{
0e1862bb 1582 if (bfd_link_pic (info))
c6a8f6e0
BS		 1583 {
1584 obj_attribute *out_attr;
1585 out_attr = elf_known_obj_attributes_proc (abfd);
1586 if (out_attr[Tag_ABI_PIC].i == 0)
1587 {
1588 _bfd_error_handler (_("warning: generating a shared library "
1589 "containing non-PIC code"));
1590 }
1591 if (out_attr[Tag_ABI_PID].i == 0)
1592 {
1593 _bfd_error_handler (_("warning: generating a shared library "
1594 "containing non-PID code"));
1595 }
1596 }
1597 /* Invoke the regular ELF backend linker to do all the work. */
1598 if (!bfd_elf_final_link (abfd, info))
1599 return FALSE;
1600
1601 return TRUE;
1602}
1603
ac145307
BS		 1604/* Called to pass PARAMS to the backend. We store them in the hash table
1605 associated with INFO. */
1606
1607void
1608elf32_tic6x_setup (struct bfd_link_info *info,
1609 struct elf32_tic6x_params *params)
1610{
1611 struct elf32_tic6x_link_hash_table *htab = elf32_tic6x_hash_table (info);
1612 htab->params = *params;
1613}
1614
1615/* Determine if we're dealing with a DSBT object. */
1616
1617static bfd_boolean
1618elf32_tic6x_using_dsbt (bfd *abfd)
1619{
1620 return bfd_elf_get_obj_attr_int (abfd, OBJ_ATTR_PROC,
1621 Tag_ABI_DSBT);
1622}
1623
1624/* Create .plt, .rela.plt, .got, .got.plt, .rela.got and .dsbt
1625 sections in DYNOBJ, and set up shortcuts to them in our hash
1626 table. */
1627
1628static bfd_boolean
1629elf32_tic6x_create_dynamic_sections (bfd *dynobj, struct bfd_link_info *info)
1630{
1631 struct elf32_tic6x_link_hash_table *htab;
1632 flagword flags;
1633
1634 htab = elf32_tic6x_hash_table (info);
1635 if (htab == NULL)
1636 return FALSE;
1637
1638 if (!_bfd_elf_create_dynamic_sections (dynobj, info))
1639 return FALSE;
1640
1641 /* Create .dsbt */
1642 flags = (SEC_ALLOC | SEC_LOAD
1643 | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_LINKER_CREATED);
1644 htab->dsbt = bfd_make_section_anyway_with_flags (dynobj, ".dsbt",
1645 flags);
1646 if (htab->dsbt == NULL
fd361982
AM		 1647 || !bfd_set_section_alignment (htab->dsbt, 2)
1648 || !bfd_set_section_alignment (htab->elf.splt, 5))
ac145307
BS		 1649 return FALSE;
1650
ac145307
BS		 1651 return TRUE;
1652}
1653
41820509
JM		 1654static bfd_boolean
1655elf32_tic6x_mkobject (bfd *abfd)
1656{
1657 bfd_boolean ret;
1658
1659 ret = bfd_elf_allocate_object (abfd, sizeof (struct elf32_tic6x_obj_tdata),
1660 TIC6X_ELF_DATA);
1661 if (ret)
1662 elf32_tic6x_set_use_rela_p (abfd, TRUE);
1663 return ret;
1664}
1665
ac145307
BS		 1666/* Install relocation RELA into section SRELA, incrementing its
1667 reloc_count. */
1668
1669static void
1670elf32_tic6x_install_rela (bfd *output_bfd, asection *srela,
1671 Elf_Internal_Rela *rela)
1672{
1673 bfd_byte *loc;
1674 bfd_vma off = srela->reloc_count++ * sizeof (Elf32_External_Rela);
1675 loc = srela->contents + off;
1676 BFD_ASSERT (off < srela->size);
1677 bfd_elf32_swap_reloca_out (output_bfd, rela, loc);
1678}
1679
1680/* Create a dynamic reloc against the GOT at offset OFFSET. The contents
1681 of the GOT at this offset have been initialized with the relocation. */
1682
1683static void
1684elf32_tic6x_make_got_dynreloc (bfd *output_bfd,
1685 struct elf32_tic6x_link_hash_table *htab,
1686 asection *sym_sec, bfd_vma offset)
1687{
1688 asection *sgot = htab->elf.sgot;
1689 Elf_Internal_Rela outrel;
1690 int dynindx;
1691
1692 outrel.r_offset = sgot->output_section->vma + sgot->output_offset + offset;
1693 outrel.r_addend = bfd_get_32 (output_bfd, sgot->contents + offset);
1694 if (sym_sec && sym_sec->output_section
1695 && ! bfd_is_abs_section (sym_sec->output_section)
1696 && ! bfd_is_und_section (sym_sec->output_section))
1697 {
1698 dynindx = elf_section_data (sym_sec->output_section)->dynindx;
1699 outrel.r_addend -= sym_sec->output_section->vma;
1700 }
1701 else
1702 {
1703 dynindx = 0;
1704 }
1705 outrel.r_info = ELF32_R_INFO (dynindx, R_C6000_ABS32);
1706 elf32_tic6x_install_rela (output_bfd, htab->elf.srelgot, &outrel);
1707}
1708
1709/* Finish up dynamic symbol handling. We set the contents of various
1710 dynamic sections here. */
1711
1712static bfd_boolean
1713elf32_tic6x_finish_dynamic_symbol (bfd * output_bfd,
1714 struct bfd_link_info *info,
1715 struct elf_link_hash_entry *h,
1716 Elf_Internal_Sym * sym)
1717{
ac145307
BS		 1718 struct elf32_tic6x_link_hash_table *htab;
1719
1720 htab = elf32_tic6x_hash_table (info);
ac145307
BS		 1721
1722 if (h->plt.offset != (bfd_vma) -1)
1723 {
1724 bfd_vma plt_index;
1725 bfd_vma got_section_offset, got_dp_offset, rela_offset;
1726 Elf_Internal_Rela rela;
1727 bfd_byte *loc;
1728 asection *plt, *gotplt, *relplt;
1729 const struct elf_backend_data *bed;
1730
1731 bed = get_elf_backend_data (output_bfd);
1732
1733 BFD_ASSERT (htab->elf.splt != NULL);
1734 plt = htab->elf.splt;
1735 gotplt = htab->elf.sgotplt;
1736 relplt = htab->elf.srelplt;
1737
1738 /* This symbol has an entry in the procedure linkage table. Set
1739 it up. */
1740
1741 if ((h->dynindx == -1
0e1862bb 1742 && !((h->forced_local || bfd_link_executable (info))
ac145307
BS		 1743 && h->def_regular
1744 && h->type == STT_GNU_IFUNC))
1745 || plt == NULL
1746 || gotplt == NULL
1747 || relplt == NULL)
1748 abort ();
1749
1750 /* Get the index in the procedure linkage table which
1751 corresponds to this symbol. This is the index of this symbol
1752 in all the symbols for which we are making plt entries. The
1753 first entry in the procedure linkage table is reserved.
1754
1755 Get the offset into the .got table of the entry that
1756 corresponds to this function. Each .got entry is 4 bytes.
1757 The first three are reserved.
68ffbac6 1758
ac145307
BS		 1759 For static executables, we don't reserve anything. */
1760
1761 plt_index = h->plt.offset / PLT_ENTRY_SIZE - 1;
1762 got_section_offset = plt_index + bed->got_header_size / 4;
1763 got_dp_offset = got_section_offset + htab->params.dsbt_size;
1764 rela_offset = plt_index * sizeof (Elf32_External_Rela);
1765
1766 got_section_offset *= 4;
1767
1768 /* Fill in the entry in the procedure linkage table. */
1769
1770 /* ldw .d2t2 *+B14($GOT(f)), b2 */
1771 bfd_put_32 (output_bfd, got_dp_offset << 8 | 0x0100006e,
1772 plt->contents + h->plt.offset);
1773 /* mvk .s2 low(rela_offset), b0 */
1774 bfd_put_32 (output_bfd, (rela_offset & 0xffff) << 7 | 0x0000002a,
1775 plt->contents + h->plt.offset + 4);
1776 /* mvkh .s2 high(rela_offset), b0 */
1777 bfd_put_32 (output_bfd, ((rela_offset >> 16) & 0xffff) << 7 | 0x0000006a,
1778 plt->contents + h->plt.offset + 8);
1779 /* nop 2 */
1780 bfd_put_32 (output_bfd, 0x00002000,
1781 plt->contents + h->plt.offset + 12);
1782 /* b .s2 b2 */
1783 bfd_put_32 (output_bfd, 0x00080362,
1784 plt->contents + h->plt.offset + 16);
1785 /* nop 5 */
1786 bfd_put_32 (output_bfd, 0x00008000,
1787 plt->contents + h->plt.offset + 20);
1788
1789 /* Fill in the entry in the global offset table. */
1790 bfd_put_32 (output_bfd,
1791 (plt->output_section->vma + plt->output_offset),
1792 gotplt->contents + got_section_offset);
1793
1794 /* Fill in the entry in the .rel.plt section. */
1795 rela.r_offset = (gotplt->output_section->vma
1796 + gotplt->output_offset
1797 + got_section_offset);
1798 rela.r_info = ELF32_R_INFO (h->dynindx, R_C6000_JUMP_SLOT);
1799 rela.r_addend = 0;
1800 loc = relplt->contents + rela_offset;
1801 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
1802
1803 if (!h->def_regular)
1804 {
1805 /* Mark the symbol as undefined, rather than as defined in
1806 the .plt section. */
1807 sym->st_shndx = SHN_UNDEF;
1808 sym->st_value = 0;
1809 }
1810 }
1811
1812 if (h->got.offset != (bfd_vma) -1)
1813 {
1814 asection *sgot;
1815 asection *srela;
1816
1817 /* This symbol has an entry in the global offset table.
07d6d2b8 1818 Set it up. */
ac145307 1819
ce558b89
AM		 1820 sgot = htab->elf.sgot;
1821 srela = htab->elf.srelgot;
ac145307
BS		 1822 BFD_ASSERT (sgot != NULL && srela != NULL);
1823
1824 /* If this is a -Bsymbolic link, and the symbol is defined
07d6d2b8
AM		 1825 locally, we just want to emit a RELATIVE reloc. Likewise if
1826 the symbol was forced to be local because of a version file.
1827 The entry in the global offset table will already have been
1828 initialized in the relocate_section function. */
0e1862bb 1829 if (bfd_link_pic (info)
a496fbc8 1830 && (SYMBOLIC_BIND (info, h)
ac145307
BS		 1831 || h->dynindx == -1 || h->forced_local) && h->def_regular)
1832 {
1833 asection *s = h->root.u.def.section;
1834 elf32_tic6x_make_got_dynreloc (output_bfd, htab, s,
1835 h->got.offset & ~(bfd_vma) 1);
1836 }
1837 else
1838 {
1839 Elf_Internal_Rela outrel;
1840 bfd_put_32 (output_bfd, (bfd_vma) 0,
1841 sgot->contents + (h->got.offset & ~(bfd_vma) 1));
1842 outrel.r_offset = (sgot->output_section->vma
1843 + sgot->output_offset
1844 + (h->got.offset & ~(bfd_vma) 1));
1845 outrel.r_info = ELF32_R_INFO (h->dynindx, R_C6000_ABS32);
1846 outrel.r_addend = 0;
1847
1848 elf32_tic6x_install_rela (output_bfd, srela, &outrel);
1849 }
1850 }
1851
1852 if (h->needs_copy)
1853 {
1854 Elf_Internal_Rela rel;
5474d94f 1855 asection *s;
ac145307
BS		 1856
1857 /* This symbol needs a copy reloc. Set it up. */
1858
1859 if (h->dynindx == -1
1860 || (h->root.type != bfd_link_hash_defined
1861 && h->root.type != bfd_link_hash_defweak)
5474d94f
AM		 1862 || htab->elf.srelbss == NULL
1863 || htab->elf.sreldynrelro == NULL)
ac145307
BS		 1864 abort ();
1865
1866 rel.r_offset = (h->root.u.def.value
1867 + h->root.u.def.section->output_section->vma
1868 + h->root.u.def.section->output_offset);
1869 rel.r_info = ELF32_R_INFO (h->dynindx, R_C6000_COPY);
1870 rel.r_addend = 0;
afbf7e8e 1871 if (h->root.u.def.section == htab->elf.sdynrelro)
5474d94f
AM		 1872 s = htab->elf.sreldynrelro;
1873 else
1874 s = htab->elf.srelbss;
ac145307 1875
5474d94f 1876 elf32_tic6x_install_rela (output_bfd, s, &rel);
ac145307
BS		 1877 }
1878
1879 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */
9637f6ef 1880 if (h == elf_hash_table (info)->hdynamic
ac145307
BS		 1881 || h == elf_hash_table (info)->hgot)
1882 sym->st_shndx = SHN_ABS;
1883
1884 return TRUE;
1885}
1886
9cf0e282
PB		 1887/* Unwinding tables are not referenced directly. This pass marks them as
1888 required if the corresponding code section is marked. */
1889
1890static bfd_boolean
1891elf32_tic6x_gc_mark_extra_sections (struct bfd_link_info *info,
1892 elf_gc_mark_hook_fn gc_mark_hook)
1893{
1894 bfd *sub;
1895 Elf_Internal_Shdr **elf_shdrp;
1896 bfd_boolean again;
1897
7f6ab9f8
AM		 1898 _bfd_elf_gc_mark_extra_sections (info, gc_mark_hook);
1899
9cf0e282
PB		 1900 /* Marking EH data may cause additional code sections to be marked,
1901 requiring multiple passes. */
1902 again = TRUE;
1903 while (again)
1904 {
1905 again = FALSE;
c72f2fb2 1906 for (sub = info->input_bfds; sub != NULL; sub = sub->link.next)
9cf0e282
PB		 1907 {
1908 asection *o;
1909
1910 if (! is_tic6x_elf (sub))
1911 continue;
1912
1913 elf_shdrp = elf_elfsections (sub);
1914 for (o = sub->sections; o != NULL; o = o->next)
1915 {
1916 Elf_Internal_Shdr *hdr;
1917
1918 hdr = &elf_section_data (o)->this_hdr;
1919 if (hdr->sh_type == SHT_C6000_UNWIND
1920 && hdr->sh_link
1921 && hdr->sh_link < elf_numsections (sub)
1922 && !o->gc_mark
1923 && elf_shdrp[hdr->sh_link]->bfd_section->gc_mark)
1924 {
1925 again = TRUE;
1926 if (!_bfd_elf_gc_mark (info, o, gc_mark_hook))
1927 return FALSE;
1928 }
1929 }
1930 }
1931 }
1932
1933 return TRUE;
1934}
1935
1bce6bd8
PB		 1936/* Return TRUE if this is an unwinding table index. */
1937
1938static bfd_boolean
1939is_tic6x_elf_unwind_section_name (const char *name)
1940{
1941 return (CONST_STRNEQ (name, ELF_STRING_C6000_unwind)
1942 || CONST_STRNEQ (name, ELF_STRING_C6000_unwind_once));
1943}
1944
1945
1946/* Set the type and flags for an unwinding index table. We do this by
1947 the section name, which is a hack, but ought to work. */
1948
1949static bfd_boolean
1950elf32_tic6x_fake_sections (bfd *abfd ATTRIBUTE_UNUSED,
1951 Elf_Internal_Shdr *hdr, asection *sec)
1952{
1953 const char * name;
1954
fd361982 1955 name = bfd_section_name (sec);
1bce6bd8
PB		 1956
1957 if (is_tic6x_elf_unwind_section_name (name))
1958 {
1959 hdr->sh_type = SHT_C6000_UNWIND;
1960 hdr->sh_flags |= SHF_LINK_ORDER;
1961 }
1962
1963 return TRUE;
1964}
1965
63c1f59d
AM		 1966/* Find dynamic relocs for H that apply to read-only sections. */
1967
1968static asection *
1969readonly_dynrelocs (struct elf_link_hash_entry *h)
1970{
1971 struct elf_dyn_relocs *p;
63c1f59d 1972
190eb1dd 1973 for (p = h->dyn_relocs; p != NULL; p = p->next)
63c1f59d
AM		 1974 {
1975 asection *s = p->sec->output_section;
1976
1977 if (s != NULL && (s->flags & SEC_READONLY) != 0)
1978 return p->sec;
1979 }
1980 return NULL;
1981}
1982
ac145307
BS		 1983/* Adjust a symbol defined by a dynamic object and referenced by a
1984 regular object. The current definition is in some section of the
1985 dynamic object, but we're not including those sections. We have to
1986 change the definition to something the rest of the link can
1987 understand. */
1988
1989static bfd_boolean
1990elf32_tic6x_adjust_dynamic_symbol (struct bfd_link_info *info,
1991 struct elf_link_hash_entry *h)
1992{
1993 struct elf32_tic6x_link_hash_table *htab;
1994 bfd *dynobj;
5474d94f 1995 asection *s, *srel;
ac145307
BS		 1996
1997 dynobj = elf_hash_table (info)->dynobj;
1998
1999 /* Make sure we know what is going on here. */
2000 BFD_ASSERT (dynobj != NULL
2001 && (h->needs_plt
60d67dc8 2002 || h->is_weakalias
ac145307
BS		 2003 || (h->def_dynamic && h->ref_regular && !h->def_regular)));
2004
2005 /* If this is a function, put it in the procedure linkage table. We
2006 will fill in the contents of the procedure linkage table later,
2007 when we know the address of the .got section. */
2008 if (h->type == STT_FUNC
2009 || h->needs_plt)
2010 {
2011 if (h->plt.refcount <= 0
2012 || SYMBOL_CALLS_LOCAL (info, h)
2013 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2014 && h->root.type == bfd_link_hash_undefweak))
2015 {
2016 /* This case can occur if we saw a PLT32 reloc in an input
2017 file, but the symbol was never referred to by a dynamic
2018 object, or if all references were garbage collected. In
2019 such a case, we don't actually need to build a procedure
2020 linkage table, and we can just do a PC32 reloc instead. */
2021 h->plt.offset = (bfd_vma) -1;
2022 h->needs_plt = 0;
2023 }
2024
2025 return TRUE;
2026 }
2027
2028 /* If this is a weak symbol, and there is a real definition, the
2029 processor independent code will have arranged for us to see the
2030 real definition first, and we can just use the same value. */
60d67dc8 2031 if (h->is_weakalias)
ac145307 2032 {
60d67dc8
AM		 2033 struct elf_link_hash_entry *def = weakdef (h);
2034 BFD_ASSERT (def->root.type == bfd_link_hash_defined);
2035 h->root.u.def.section = def->root.u.def.section;
2036 h->root.u.def.value = def->root.u.def.value;
2037 h->non_got_ref = def->non_got_ref;
ac145307
BS		 2038 return TRUE;
2039 }
2040
2041 /* This is a reference to a symbol defined by a dynamic object which
2042 is not a function. */
2043
2044 /* If we are creating a shared library, we must presume that the
2045 only references to the symbol are via the global offset table.
2046 For such cases we need not do anything here; the relocations will
2047 be handled correctly by relocate_section. */
0e1862bb 2048 if (bfd_link_pic (info))
ac145307
BS		 2049 return TRUE;
2050
2051 /* If there are no references to this symbol that do not use the
2052 GOT, we don't need to generate a copy reloc. */
2053 if (!h->non_got_ref)
2054 return TRUE;
2055
2056 /* If -z nocopyreloc was given, we won't generate them either. */
2057 if (info->nocopyreloc)
2058 {
2059 h->non_got_ref = 0;
2060 return TRUE;
2061 }
2062
2063 htab = elf32_tic6x_hash_table (info);
2064 if (htab == NULL)
2065 return FALSE;
2066
ac145307
BS		 2067 /* We must allocate the symbol in our .dynbss section, which will
2068 become part of the .bss section of the executable. There will be
2069 an entry for this symbol in the .dynsym section. The dynamic
2070 object will contain position independent code, so all references
2071 from the dynamic object to this symbol will go through the global
2072 offset table. The dynamic linker will use the .dynsym entry to
2073 determine the address it must put in the global offset table, so
2074 both the dynamic object and the regular object will refer to the
2075 same memory location for the variable. */
2076
2077 /* We must generate a R_C6000_COPY reloc to tell the dynamic linker to
2078 copy the initial value out of the dynamic object and into the
2079 runtime process image. */
5474d94f
AM		 2080 if ((h->root.u.def.section->flags & SEC_READONLY) != 0)
2081 {
2082 s = htab->elf.sdynrelro;
2083 srel = htab->elf.sreldynrelro;
2084 }
2085 else
2086 {
2087 s = htab->elf.sdynbss;
2088 srel = htab->elf.srelbss;
2089 }
1d7e9d18 2090 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
ac145307 2091 {
5474d94f 2092 srel->size += sizeof (Elf32_External_Rela);
ac145307
BS		 2093 h->needs_copy = 1;
2094 }
2095
6cabe1ea 2096 return _bfd_elf_adjust_dynamic_copy (info, h, s);
ac145307
BS		 2097}
2098
41820509
JM		 2099static bfd_boolean
2100elf32_tic6x_new_section_hook (bfd *abfd, asection *sec)
2101{
2102 bfd_boolean ret;
2103
fbd9ad90
PB		 2104 /* Allocate target specific section data. */
2105 if (!sec->used_by_bfd)
2106 {
2107 _tic6x_elf_section_data *sdata;
986f0783 2108 size_t amt = sizeof (*sdata);
fbd9ad90
PB		 2109
2110 sdata = (_tic6x_elf_section_data *) bfd_zalloc (abfd, amt);
2111 if (sdata == NULL)
2112 return FALSE;
2113 sec->used_by_bfd = sdata;
2114 }
2115
41820509
JM		 2116 ret = _bfd_elf_new_section_hook (abfd, sec);
2117 sec->use_rela_p = elf32_tic6x_tdata (abfd)->use_rela_p;
2118
2119 return ret;
2120}
2121
2122/* Return true if relocation REL against section SEC is a REL rather
2123 than RELA relocation. RELOCS is the first relocation in the
2124 section and ABFD is the bfd that contains SEC. */
2125
2126static bfd_boolean
2127elf32_tic6x_rel_relocation_p (bfd *abfd, asection *sec,
2128 const Elf_Internal_Rela *relocs,
2129 const Elf_Internal_Rela *rel)
2130{
2131 Elf_Internal_Shdr *rel_hdr;
2132 const struct elf_backend_data *bed;
2133
2134 /* To determine which flavor of relocation this is, we depend on the
d4730f92
BS		 2135 fact that the INPUT_SECTION's REL_HDR is read before RELA_HDR. */
2136 rel_hdr = elf_section_data (sec)->rel.hdr;
2137 if (rel_hdr == NULL)
2138 return FALSE;
41820509 2139 bed = get_elf_backend_data (abfd);
d4730f92
BS		 2140 return ((size_t) (rel - relocs)
2141 < NUM_SHDR_ENTRIES (rel_hdr) * bed->s->int_rels_per_ext_rel);
41820509
JM		 2142}
2143
ac145307
BS		 2144/* We need dynamic symbols for every section, since segments can
2145 relocate independently. */
2146static bfd_boolean
2147elf32_tic6x_link_omit_section_dynsym (bfd *output_bfd ATTRIBUTE_UNUSED,
2148 struct bfd_link_info *info ATTRIBUTE_UNUSED,
2149 asection *p)
2150{
2151 switch (elf_section_data (p)->this_hdr.sh_type)
2152 {
2153 case SHT_PROGBITS:
2154 case SHT_NOBITS:
2155 /* If sh_type is yet undecided, assume it could be
2156 SHT_PROGBITS/SHT_NOBITS. */
2157 case SHT_NULL:
2158 return FALSE;
2159
2160 /* There shouldn't be section relative relocations
2161 against any other section. */
2162 default:
2163 return TRUE;
2164 }
2165}
2166
40b36596
JM		 2167static bfd_boolean
2168elf32_tic6x_relocate_section (bfd *output_bfd,
2169 struct bfd_link_info *info,
2170 bfd *input_bfd,
2171 asection *input_section,
2172 bfd_byte *contents,
2173 Elf_Internal_Rela *relocs,
2174 Elf_Internal_Sym *local_syms,
2175 asection **local_sections)
2176{
ac145307 2177 struct elf32_tic6x_link_hash_table *htab;
40b36596
JM		 2178 Elf_Internal_Shdr *symtab_hdr;
2179 struct elf_link_hash_entry **sym_hashes;
ac145307 2180 bfd_vma *local_got_offsets;
40b36596
JM		 2181 Elf_Internal_Rela *rel;
2182 Elf_Internal_Rela *relend;
2183 bfd_boolean ok = TRUE;
2184
ac145307 2185 htab = elf32_tic6x_hash_table (info);
40b36596
JM		 2186 symtab_hdr = & elf_symtab_hdr (input_bfd);
2187 sym_hashes = elf_sym_hashes (input_bfd);
ac145307 2188 local_got_offsets = elf_local_got_offsets (input_bfd);
40b36596
JM		 2189
2190 relend = relocs + input_section->reloc_count;
2191
2192 for (rel = relocs; rel < relend; rel ++)
2193 {
2194 int r_type;
2195 unsigned long r_symndx;
2196 arelent bfd_reloc;
2197 reloc_howto_type *howto;
2198 Elf_Internal_Sym *sym;
2199 asection *sec;
2200 struct elf_link_hash_entry *h;
4a732032 2201 bfd_vma off, off2, relocation;
40b36596
JM		 2202 bfd_boolean unresolved_reloc;
2203 bfd_reloc_status_type r;
2204 struct bfd_link_hash_entry *sbh;
41820509 2205 bfd_boolean is_rel;
f3185997 2206 bfd_boolean res;
40b36596
JM		 2207
2208 r_type = ELF32_R_TYPE (rel->r_info);
2209 r_symndx = ELF32_R_SYM (rel->r_info);
2210
41820509
JM		 2211 is_rel = elf32_tic6x_rel_relocation_p (input_bfd, input_section,
2212 relocs, rel);
2213
2214 if (is_rel)
f3185997 2215 res = elf32_tic6x_info_to_howto_rel (input_bfd, &bfd_reloc, rel);
41820509 2216 else
f3185997
NC		 2217 res = elf32_tic6x_info_to_howto (input_bfd, &bfd_reloc, rel);
2218
2219 if (!res || (howto = bfd_reloc.howto) == NULL)
40b36596
JM		 2220 {
2221 bfd_set_error (bfd_error_bad_value);
2222 return FALSE;
2223 }
2224
2225 h = NULL;
2226 sym = NULL;
2227 sec = NULL;
2228 unresolved_reloc = FALSE;
2229
2230 if (r_symndx < symtab_hdr->sh_info)
2231 {
2232 sym = local_syms + r_symndx;
2233 sec = local_sections[r_symndx];
2234 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
2235 }
2236 else
2237 {
62d887d4 2238 bfd_boolean warned, ignored;
40b36596
JM		 2239
2240 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
2241 r_symndx, symtab_hdr, sym_hashes,
2242 h, sec, relocation,
62d887d4 2243 unresolved_reloc, warned, ignored);
40b36596
JM		 2244 }
2245
dbaa2011 2246 if (sec != NULL && discarded_section (sec))
e4067dbb 2247 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
545fd46b 2248 rel, 1, relend, howto, 0, contents);
40b36596 2249
0e1862bb 2250 if (bfd_link_relocatable (info))
41820509
JM		 2251 {
2252 if (is_rel
2253 && sym != NULL
2254 && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
2255 {
2256 rel->r_addend = 0;
2257 relocation = sec->output_offset + sym->st_value;
2258 r = _bfd_relocate_contents (howto, input_bfd, relocation,
2259 contents + rel->r_offset);
2260 goto done_reloc;
2261 }
2262 continue;
2263 }
40b36596
JM		 2264
2265 switch (r_type)
2266 {
2267 case R_C6000_NONE:
2268 case R_C6000_ALIGN:
2269 case R_C6000_FPHEAD:
2270 case R_C6000_NOCMP:
2271 /* No action needed. */
2272 continue;
2273
2274 case R_C6000_PCR_S21:
ac145307
BS		 2275 /* A branch to an undefined weak symbol is turned into a
2276 "b .s2 B3" instruction if the existing insn is of the
2277 form "b .s2 symbol". */
2278 if (h ? h->root.type == bfd_link_hash_undefweak
2279 && (htab->elf.splt == NULL || h->plt.offset == (bfd_vma) -1)
2280 : r_symndx != STN_UNDEF && bfd_is_und_section (sec))
2281 {
2282 unsigned long oldval;
2283 oldval = bfd_get_32 (input_bfd, contents + rel->r_offset);
2284
2285 if ((oldval & 0x7e) == 0x12)
2286 {
2287 oldval &= 0xF0000001;
2288 bfd_put_32 (input_bfd, oldval | 0x000c0362,
2289 contents + rel->r_offset);
2290 r = bfd_reloc_ok;
2291 goto done_reloc;
2292 }
2293 }
1a0670f3 2294 /* Fall through. */
ac145307 2295
40b36596
JM		 2296 case R_C6000_PCR_S12:
2297 case R_C6000_PCR_S10:
2298 case R_C6000_PCR_S7:
ac145307
BS		 2299 if (h != NULL
2300 && h->plt.offset != (bfd_vma) -1
2301 && htab->elf.splt != NULL)
2302 {
2303 relocation = (htab->elf.splt->output_section->vma
2304 + htab->elf.splt->output_offset
2305 + h->plt.offset);
2306 }
2307
40b36596
JM		 2308 /* Generic PC-relative handling produces a value relative to
2309 the exact location of the relocation. Adjust it to be
2310 relative to the start of the fetch packet instead. */
2311 relocation += (input_section->output_section->vma
2312 + input_section->output_offset
2313 + rel->r_offset) & 0x1f;
ac145307
BS		 2314 unresolved_reloc = FALSE;
2315 break;
2316
4a732032
BS		 2317 case R_C6000_PCR_H16:
2318 case R_C6000_PCR_L16:
2319 off = (input_section->output_section->vma
2320 + input_section->output_offset
2321 + rel->r_offset);
2322 /* These must be calculated as R = S - FP(FP(PC) - A).
2323 PC, here, is the value we just computed in OFF. RELOCATION
2324 has the address of S + A. */
2325 relocation -= rel->r_addend;
2326 off2 = ((off & ~(bfd_vma)0x1f) - rel->r_addend) & (bfd_vma)~0x1f;
2327 off2 = relocation - off2;
2328 relocation = off + off2;
2329 break;
2330
ac145307
BS		 2331 case R_C6000_DSBT_INDEX:
2332 relocation = elf32_tic6x_hash_table (info)->params.dsbt_index;
0e1862bb 2333 if (!bfd_link_pic (info) || relocation != 0)
ac145307
BS		 2334 break;
2335
2336 /* fall through */
40b36596
JM		 2337 case R_C6000_ABS32:
2338 case R_C6000_ABS16:
2339 case R_C6000_ABS8:
2340 case R_C6000_ABS_S16:
2341 case R_C6000_ABS_L16:
2342 case R_C6000_ABS_H16:
ac145307
BS		 2343 /* When generating a shared object or relocatable executable, these
2344 relocations are copied into the output file to be resolved at
2345 run time. */
0e1862bb 2346 if ((bfd_link_pic (info) || elf32_tic6x_using_dsbt (output_bfd))
ac145307
BS		 2347 && (input_section->flags & SEC_ALLOC)
2348 && (h == NULL
2349 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2350 || h->root.type != bfd_link_hash_undefweak))
2351 {
2352 Elf_Internal_Rela outrel;
2353 bfd_boolean skip, relocate;
2354 asection *sreloc;
2355
2356 unresolved_reloc = FALSE;
2357
2358 sreloc = elf_section_data (input_section)->sreloc;
2359 BFD_ASSERT (sreloc != NULL && sreloc->contents != NULL);
2360
2361 skip = FALSE;
2362 relocate = FALSE;
2363
2364 outrel.r_offset =
2365 _bfd_elf_section_offset (output_bfd, info, input_section,
2366 rel->r_offset);
2367 if (outrel.r_offset == (bfd_vma) -1)
2368 skip = TRUE;
2369 else if (outrel.r_offset == (bfd_vma) -2)
2370 skip = TRUE, relocate = TRUE;
2371 outrel.r_offset += (input_section->output_section->vma
2372 + input_section->output_offset);
2373
2374 if (skip)
2375 memset (&outrel, 0, sizeof outrel);
2376 else if (h != NULL
2377 && h->dynindx != -1
0e1862bb 2378 && (!bfd_link_pic (info)
a496fbc8 2379 || !SYMBOLIC_BIND (info, h)
ac145307
BS		 2380 || !h->def_regular))
2381 {
2382 outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
2383 outrel.r_addend = rel->r_addend;
2384 }
2385 else
2386 {
2387 long indx;
2388
2389 outrel.r_addend = relocation + rel->r_addend;
2390
2391 if (bfd_is_abs_section (sec))
2392 indx = 0;
2393 else if (sec == NULL || sec->owner == NULL)
2394 {
2395 bfd_set_error (bfd_error_bad_value);
2396 return FALSE;
2397 }
2398 else
2399 {
2400 asection *osec;
2401
2402 osec = sec->output_section;
2403 indx = elf_section_data (osec)->dynindx;
2404 outrel.r_addend -= osec->vma;
2405 BFD_ASSERT (indx != 0);
2406 }
2407
2408 outrel.r_info = ELF32_R_INFO (indx, r_type);
2409 }
2410
2411 elf32_tic6x_install_rela (output_bfd, sreloc, &outrel);
2412
2413 /* If this reloc is against an external symbol, we do not want to
2414 fiddle with the addend. Otherwise, we need to include the symbol
2415 value so that it becomes an addend for the dynamic reloc. */
2416 if (! relocate)
2417 continue;
2418 }
2419
40b36596
JM		 2420 /* Generic logic OK. */
2421 break;
2422
2423 case R_C6000_SBR_U15_B:
2424 case R_C6000_SBR_U15_H:
2425 case R_C6000_SBR_U15_W:
2426 case R_C6000_SBR_S16:
2427 case R_C6000_SBR_L16_B:
2428 case R_C6000_SBR_L16_H:
2429 case R_C6000_SBR_L16_W:
2430 case R_C6000_SBR_H16_B:
2431 case R_C6000_SBR_H16_H:
2432 case R_C6000_SBR_H16_W:
2433 sbh = bfd_link_hash_lookup (info->hash, "__c6xabi_DSBT_BASE",
2434 FALSE, FALSE, TRUE);
2435 if (sbh != NULL
2436 && (sbh->type == bfd_link_hash_defined
2437 || sbh->type == bfd_link_hash_defweak))
ac145307
BS		 2438 {
2439 if (h ? (h->root.type == bfd_link_hash_undefweak
2440 && (htab->elf.splt == NULL
2441 || h->plt.offset == (bfd_vma) -1))
2442 : r_symndx != STN_UNDEF && bfd_is_und_section (sec))
2443 relocation = 0;
2444 else
2445 relocation -= (sbh->u.def.value
2446 + sbh->u.def.section->output_section->vma
2447 + sbh->u.def.section->output_offset);
2448 }
40b36596
JM		 2449 else
2450 {
871b3ab2 2451 _bfd_error_handler (_("%pB: SB-relative relocation but "
4eca0228
AM		 2452 "__c6xabi_DSBT_BASE not defined"),
2453 input_bfd);
40b36596
JM		 2454 ok = FALSE;
2455 continue;
2456 }
2457 break;
2458
2459 case R_C6000_SBR_GOT_U15_W:
2460 case R_C6000_SBR_GOT_L16_W:
2461 case R_C6000_SBR_GOT_H16_W:
2fbb87f6 2462 case R_C6000_EHTYPE:
ac145307
BS		 2463 /* Relocation is to the entry for this symbol in the global
2464 offset table. */
2465 if (htab->elf.sgot == NULL)
2466 abort ();
2467
2468 if (h != NULL)
2469 {
2470 bfd_boolean dyn;
2471
2472 off = h->got.offset;
2473 dyn = htab->elf.dynamic_sections_created;
0e1862bb
L		 2474 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
2475 bfd_link_pic (info),
2476 h)
2477 || (bfd_link_pic (info)
ac145307
BS		 2478 && SYMBOL_REFERENCES_LOCAL (info, h))
2479 || (ELF_ST_VISIBILITY (h->other)
2480 && h->root.type == bfd_link_hash_undefweak))
2481 {
2482 /* This is actually a static link, or it is a
2483 -Bsymbolic link and the symbol is defined
2484 locally, or the symbol was forced to be local
2485 because of a version file. We must initialize
2486 this entry in the global offset table. Since the
2487 offset must always be a multiple of 4, we use the
2488 least significant bit to record whether we have
2489 initialized it already.
2490
2491 When doing a dynamic link, we create a .rel.got
2492 relocation entry to initialize the value. This
2493 is done in the finish_dynamic_symbol routine. */
2494 if ((off & 1) != 0)
2495 off &= ~1;
2496 else
2497 {
2498 bfd_put_32 (output_bfd, relocation,
2499 htab->elf.sgot->contents + off);
2500 h->got.offset |= 1;
2501
0e1862bb
L		 2502 if (!WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
2503 bfd_link_pic (info),
ac145307
BS		 2504 h)
2505 && !(ELF_ST_VISIBILITY (h->other)
2506 && h->root.type == bfd_link_hash_undefweak))
2507 elf32_tic6x_make_got_dynreloc (output_bfd, htab, sec,
2508 off);
2509 }
2510 }
2511 else
2512 unresolved_reloc = FALSE;
2513 }
2514 else
2515 {
2516 if (local_got_offsets == NULL)
2517 abort ();
2518
2519 off = local_got_offsets[r_symndx];
2520
2521 /* The offset must always be a multiple of 4. We use
2522 the least significant bit to record whether we have
2523 already generated the necessary reloc. */
2524 if ((off & 1) != 0)
2525 off &= ~1;
2526 else
2527 {
2528 bfd_put_32 (output_bfd, relocation,
2529 htab->elf.sgot->contents + off);
2530
0e1862bb 2531 if (bfd_link_pic (info) || elf32_tic6x_using_dsbt (output_bfd))
ac145307
BS		 2532 elf32_tic6x_make_got_dynreloc (output_bfd, htab, sec, off);
2533
2534 local_got_offsets[r_symndx] |= 1;
2535 }
2536 }
2537
2538 if (off >= (bfd_vma) -2)
2539 abort ();
2540
2541 if (htab->dsbt)
2542 relocation = (htab->elf.sgot->output_section->vma
2543 + htab->elf.sgot->output_offset + off
2544 - htab->dsbt->output_section->vma
2545 - htab->dsbt->output_offset);
2546 else
2547 relocation = (htab->elf.sgot->output_section->vma
2548 + htab->elf.sgot->output_offset + off
2549 - htab->elf.sgotplt->output_section->vma
2550 - htab->elf.sgotplt->output_offset);
2551
2552 if (rel->r_addend != 0)
2553 {
2554 /* We can't do anything for a relocation which is against
2555 a symbol *plus offset*. GOT holds relocations for
2556 symbols. Make this an error; the compiler isn't
2557 allowed to pass us these kinds of things. */
2558 if (h == NULL)
4eca0228 2559 _bfd_error_handler
695344c0 2560 /* xgettext:c-format */
2dcf00ce
AM		 2561 (_("%pB, section %pA: relocation %s with non-zero addend %"
2562 PRId64 " against local symbol"),
ac145307
BS		 2563 input_bfd,
2564 input_section,
2565 elf32_tic6x_howto_table[r_type].name,
2dcf00ce 2566 (int64_t) rel->r_addend);
ac145307 2567 else
4eca0228 2568 _bfd_error_handler
695344c0 2569 /* xgettext:c-format */
2dcf00ce
AM		 2570 (_("%pB, section %pA: relocation %s with non-zero addend %"
2571 PRId64 " against symbol `%s'"),
ac145307
BS		 2572 input_bfd,
2573 input_section,
2574 elf32_tic6x_howto_table[r_type].name,
2dcf00ce 2575 (int64_t) rel->r_addend,
ac145307
BS		 2576 h->root.root.string[0] != '\0' ? h->root.root.string
2577 : _("[whose name is lost]"));
2578
2579 bfd_set_error (bfd_error_bad_value);
2580 return FALSE;
2581 }
2582 break;
2583
40b36596 2584 case R_C6000_PREL31:
44e87ece
PB		 2585 if (h != NULL
2586 && h->plt.offset != (bfd_vma) -1
2587 && htab->elf.splt != NULL)
2588 {
2589 relocation = (htab->elf.splt->output_section->vma
2590 + htab->elf.splt->output_offset
2591 + h->plt.offset);
2592 }
2593 break;
40b36596
JM		 2594
2595 case R_C6000_COPY:
2596 /* Invalid in relocatable object. */
2597 default:
2598 /* Unknown relocation. */
695344c0 2599 /* xgettext:c-format */
0aa13fee 2600 _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
4eca0228 2601 input_bfd, r_type);
f3185997 2602 bfd_set_error (bfd_error_bad_value);
40b36596
JM		 2603 ok = FALSE;
2604 continue;
2605 }
2606
2607 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
2608 contents, rel->r_offset,
2609 relocation, rel->r_addend);
2610
41820509 2611 done_reloc:
40b36596
JM		 2612 if (r == bfd_reloc_ok
2613 && howto->complain_on_overflow == complain_overflow_bitfield)
2614 {
2615 /* Generic overflow handling accepts cases the ABI says
2616 should be rejected for R_C6000_ABS16 and
2617 R_C6000_ABS8. */
2618 bfd_vma value = (relocation + rel->r_addend) & 0xffffffff;
2619 bfd_vma sbit = 1 << (howto->bitsize - 1);
2620 bfd_vma sbits = (-(bfd_vma) sbit) & 0xffffffff;
2621 bfd_vma value_sbits = value & sbits;
2622
2623 if (value_sbits != 0
2624 && value_sbits != sbit
2625 && value_sbits != sbits)
2626 r = bfd_reloc_overflow;
2627 }
2628
2629 if (r != bfd_reloc_ok)
2630 {
2631 const char *name;
2632 const char *error_message;
2633
2634 if (h != NULL)
2635 name = h->root.root.string;
2636 else
2637 {
2638 name = bfd_elf_string_from_elf_section (input_bfd,
2639 symtab_hdr->sh_link,
2640 sym->st_name);
2641 if (name == NULL)
2642 return FALSE;
2643 if (*name == '\0')
fd361982 2644 name = bfd_section_name (sec);
40b36596
JM		 2645 }
2646
2647 switch (r)
2648 {
2649 case bfd_reloc_overflow:
2650 /* If the overflowing reloc was to an undefined symbol,
2651 we have already printed one error message and there
2652 is no point complaining again. */
1a72702b
AM		 2653 if (!h || h->root.type != bfd_link_hash_undefined)
2654 (*info->callbacks->reloc_overflow)
2655 (info, (h ? &h->root : NULL), name, howto->name,
2656 (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
40b36596
JM		 2657 break;
2658
2659 case bfd_reloc_undefined:
1a72702b
AM		 2660 (*info->callbacks->undefined_symbol) (info, name, input_bfd,
2661 input_section,
2662 rel->r_offset, TRUE);
40b36596
JM		 2663 break;
2664
2665 case bfd_reloc_outofrange:
2666 error_message = _("out of range");
2667 goto common_error;
2668
2669 case bfd_reloc_notsupported:
2670 error_message = _("unsupported relocation");
2671 goto common_error;
2672
2673 case bfd_reloc_dangerous:
2674 error_message = _("dangerous relocation");
2675 goto common_error;
2676
2677 default:
2678 error_message = _("unknown error");
2679 /* Fall through. */
2680
2681 common_error:
2682 BFD_ASSERT (error_message != NULL);
1a72702b
AM		 2683 (*info->callbacks->reloc_dangerous)
2684 (info, error_message, input_bfd, input_section, rel->r_offset);
40b36596
JM		 2685 break;
2686 }
2687 }
2688 }
2689
2690 return ok;
2691}
2692
ac145307
BS		 2693\f
2694/* Look through the relocs for a section during the first phase, and
2695 calculate needed space in the global offset table, procedure linkage
2696 table, and dynamic reloc sections. */
2697
2698static bfd_boolean
2699elf32_tic6x_check_relocs (bfd *abfd, struct bfd_link_info *info,
2700 asection *sec, const Elf_Internal_Rela *relocs)
2701{
2702 struct elf32_tic6x_link_hash_table *htab;
2703 Elf_Internal_Shdr *symtab_hdr;
2704 struct elf_link_hash_entry **sym_hashes;
2705 const Elf_Internal_Rela *rel;
2706 const Elf_Internal_Rela *rel_end;
2707 asection *sreloc;
2708
0e1862bb 2709 if (bfd_link_relocatable (info))
ac145307
BS		 2710 return TRUE;
2711
2712 htab = elf32_tic6x_hash_table (info);
2713 symtab_hdr = &elf_symtab_hdr (abfd);
2714 sym_hashes = elf_sym_hashes (abfd);
2715
2716 /* Create dynamic sections for relocatable executables so that we can
2717 copy relocations. */
0e1862bb 2718 if ((bfd_link_pic (info) || elf32_tic6x_using_dsbt (abfd))
ac145307
BS		 2719 && ! htab->elf.dynamic_sections_created)
2720 {
2721 if (! _bfd_elf_link_create_dynamic_sections (abfd, info))
2722 return FALSE;
2723 }
2724
2725 sreloc = NULL;
2726
2727 rel_end = relocs + sec->reloc_count;
2728 for (rel = relocs; rel < rel_end; rel++)
2729 {
2730 unsigned int r_type;
d42c267e 2731 unsigned int r_symndx;
ac145307
BS		 2732 struct elf_link_hash_entry *h;
2733 Elf_Internal_Sym *isym;
2734
2735 r_symndx = ELF32_R_SYM (rel->r_info);
2736 r_type = ELF32_R_TYPE (rel->r_info);
2737
2738 if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
2739 {
695344c0 2740 /* xgettext:c-format */
871b3ab2 2741 _bfd_error_handler (_("%pB: bad symbol index: %d"),
4eca0228 2742 abfd, r_symndx);
ac145307
BS		 2743 return FALSE;
2744 }
2745
2746 if (r_symndx < symtab_hdr->sh_info)
2747 {
2748 /* A local symbol. */
2749 isym = bfd_sym_from_r_symndx (&htab->sym_cache,
2750 abfd, r_symndx);
2751 if (isym == NULL)
2752 return FALSE;
2753 h = NULL;
2754 }
2755 else
2756 {
2757 isym = NULL;
2758 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
2759 while (h->root.type == bfd_link_hash_indirect
2760 || h->root.type == bfd_link_hash_warning)
2761 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2762 }
2763
2764 switch (r_type)
2765 {
2766 case R_C6000_PCR_S21:
44e87ece 2767 case R_C6000_PREL31:
ac145307
BS		 2768 /* This symbol requires a procedure linkage table entry. We
2769 actually build the entry in adjust_dynamic_symbol,
2770 because this might be a case of linking PIC code which is
2771 never referenced by a dynamic object, in which case we
2772 don't need to generate a procedure linkage table entry
2773 after all. */
2774
2775 /* If this is a local symbol, we resolve it directly without
2776 creating a procedure linkage table entry. */
2777 if (h == NULL)
2778 continue;
2779
2780 h->needs_plt = 1;
2781 h->plt.refcount += 1;
2782 break;
2783
2784 case R_C6000_SBR_GOT_U15_W:
2785 case R_C6000_SBR_GOT_L16_W:
2786 case R_C6000_SBR_GOT_H16_W:
2fbb87f6 2787 case R_C6000_EHTYPE:
ac145307
BS		 2788 /* This symbol requires a global offset table entry. */
2789 if (h != NULL)
2790 {
2791 h->got.refcount += 1;
2792 }
2793 else
2794 {
2795 bfd_signed_vma *local_got_refcounts;
2796
2797 /* This is a global offset table entry for a local symbol. */
2798 local_got_refcounts = elf_local_got_refcounts (abfd);
2799 if (local_got_refcounts == NULL)
2800 {
2801 bfd_size_type size;
2802
2803 size = symtab_hdr->sh_info;
2804 size *= (sizeof (bfd_signed_vma)
2805 + sizeof (bfd_vma) + sizeof(char));
2806 local_got_refcounts = bfd_zalloc (abfd, size);
2807 if (local_got_refcounts == NULL)
2808 return FALSE;
2809 elf_local_got_refcounts (abfd) = local_got_refcounts;
2810 }
2811 local_got_refcounts[r_symndx] += 1;
2812 }
2813
2814 if (htab->elf.sgot == NULL)
2815 {
2816 if (htab->elf.dynobj == NULL)
2817 htab->elf.dynobj = abfd;
2818 if (!_bfd_elf_create_got_section (htab->elf.dynobj, info))
2819 return FALSE;
2820 }
2821 break;
2822
2823 case R_C6000_DSBT_INDEX:
2824 /* We'd like to check for nonzero dsbt_index here, but it's
2825 set up only after check_relocs is called. Instead, we
2826 store the number of R_C6000_DSBT_INDEX relocs in the
2827 pc_count field, and potentially discard the extra space
2828 in elf32_tic6x_allocate_dynrelocs. */
0e1862bb 2829 if (!bfd_link_pic (info))
ac145307
BS		 2830 break;
2831
2832 /* fall through */
2833 case R_C6000_ABS32:
2834 case R_C6000_ABS16:
2835 case R_C6000_ABS8:
2836 case R_C6000_ABS_S16:
2837 case R_C6000_ABS_L16:
2838 case R_C6000_ABS_H16:
2839 /* If we are creating a shared library, and this is a reloc
2840 against a global symbol, or a non PC relative reloc
2841 against a local symbol, then we need to copy the reloc
2842 into the shared library. However, if we are linking with
2843 -Bsymbolic, we do not need to copy a reloc against a
2844 global symbol which is defined in an object we are
2845 including in the link (i.e., DEF_REGULAR is set). At
2846 this point we have not seen all the input files, so it is
2847 possible that DEF_REGULAR is not set now but will be set
2848 later (it is never cleared). In case of a weak definition,
2849 DEF_REGULAR may be cleared later by a strong definition in
2850 a shared library. We account for that possibility below by
2851 storing information in the relocs_copied field of the hash
2852 table entry. A similar situation occurs when creating
2853 shared libraries and symbol visibility changes render the
2854 symbol local.
2855
2856 If on the other hand, we are creating an executable, we
2857 may need to keep relocations for symbols satisfied by a
2858 dynamic library if we manage to avoid copy relocs for the
2859 symbol. */
0e1862bb 2860 if ((bfd_link_pic (info) || elf32_tic6x_using_dsbt (abfd))
ac145307
BS		 2861 && (sec->flags & SEC_ALLOC) != 0)
2862 {
2863 struct elf_dyn_relocs *p;
2864 struct elf_dyn_relocs **head;
2865
2866 /* We must copy these reloc types into the output file.
2867 Create a reloc section in dynobj and make room for
2868 this reloc. */
2869 if (sreloc == NULL)
2870 {
2871 if (htab->elf.dynobj == NULL)
2872 htab->elf.dynobj = abfd;
2873
2874 sreloc = _bfd_elf_make_dynamic_reloc_section
2875 (sec, htab->elf.dynobj, 2, abfd, /*rela? */ TRUE);
2876
2877 if (sreloc == NULL)
2878 return FALSE;
2879 }
2880
2881 /* If this is a global symbol, we count the number of
2882 relocations we need for this symbol. */
2883 if (h != NULL)
2884 {
190eb1dd 2885 head = &h->dyn_relocs;
ac145307
BS		 2886 }
2887 else
2888 {
2889 /* Track dynamic relocs needed for local syms too.
2890 We really need local syms available to do this
2891 easily. Oh well. */
2892 void **vpp;
2893 asection *s;
2894
2895 s = bfd_section_from_elf_index (abfd, isym->st_shndx);
2896 if (s == NULL)
2897 s = sec;
2898
2899 vpp = &elf_section_data (s)->local_dynrel;
2900 head = (struct elf_dyn_relocs **)vpp;
2901 }
2902
2903 p = *head;
2904 if (p == NULL || p->sec != sec)
2905 {
986f0783 2906 size_t amt = sizeof *p;
ac145307
BS		 2907 p = bfd_alloc (htab->elf.dynobj, amt);
2908 if (p == NULL)
2909 return FALSE;
2910 p->next = *head;
2911 *head = p;
2912 p->sec = sec;
2913 p->count = 0;
2123f9ad 2914 p->pc_count = 0;
ac145307
BS		 2915 }
2916
2917 p->count += 1;
2918 if (r_type == R_C6000_DSBT_INDEX)
2919 p->pc_count += 1;
2920 }
2921 break;
2922
2923 case R_C6000_SBR_U15_B:
2924 case R_C6000_SBR_U15_H:
2925 case R_C6000_SBR_U15_W:
2926 case R_C6000_SBR_S16:
2927 case R_C6000_SBR_L16_B:
2928 case R_C6000_SBR_L16_H:
2929 case R_C6000_SBR_L16_W:
2930 case R_C6000_SBR_H16_B:
2931 case R_C6000_SBR_H16_H:
2932 case R_C6000_SBR_H16_W:
527278f3
AM		 2933 {
2934 /* These relocations implicitly reference __c6xabi_DSBT_BASE.
2935 Add an explicit reference so that the symbol will be
2936 provided by a linker script. */
2937 struct bfd_link_hash_entry *bh = NULL;
2938 if (!_bfd_generic_link_add_one_symbol (info, abfd,
2939 "__c6xabi_DSBT_BASE",
2940 BSF_GLOBAL,
2941 bfd_und_section_ptr, 0,
2942 NULL, FALSE, FALSE, &bh))
2943 return FALSE;
2944 ((struct elf_link_hash_entry *) bh)->non_elf = 0;
2945 }
0e1862bb 2946 if (h != NULL && bfd_link_executable (info))
ac145307
BS		 2947 {
2948 /* For B14-relative addresses, we might need a copy
2949 reloc. */
2950 h->non_got_ref = 1;
2951 }
2952 break;
2953
2954 default:
2955 break;
2956 }
2957 }
2958
2959 return TRUE;
2960}
2961
2962static bfd_boolean
2963elf32_tic6x_add_symbol_hook (bfd *abfd,
2964 struct bfd_link_info *info ATTRIBUTE_UNUSED,
2965 Elf_Internal_Sym *sym,
2966 const char **namep ATTRIBUTE_UNUSED,
2967 flagword *flagsp ATTRIBUTE_UNUSED,
2968 asection **secp,
2969 bfd_vma *valp)
2970{
2971 switch (sym->st_shndx)
2972 {
2973 case SHN_TIC6X_SCOMMON:
2974 *secp = bfd_make_section_old_way (abfd, ".scommon");
2975 (*secp)->flags |= SEC_IS_COMMON;
2976 *valp = sym->st_size;
fd361982 2977 bfd_set_section_alignment (*secp, bfd_log2 (sym->st_value));
ac145307
BS		 2978 break;
2979 }
2980
2981 return TRUE;
2982}
2983
2984static void
2985elf32_tic6x_symbol_processing (bfd *abfd ATTRIBUTE_UNUSED, asymbol *asym)
2986{
2987 elf_symbol_type *elfsym;
2988
2989 elfsym = (elf_symbol_type *) asym;
2990 switch (elfsym->internal_elf_sym.st_shndx)
2991 {
2992 case SHN_TIC6X_SCOMMON:
2993 if (tic6x_elf_scom_section.name == NULL)
07d6d2b8
AM		 2994 {
2995 /* Initialize the small common section. */
2996 tic6x_elf_scom_section.name = ".scommon";
2997 tic6x_elf_scom_section.flags = SEC_IS_COMMON;
2998 tic6x_elf_scom_section.output_section = &tic6x_elf_scom_section;
2999 tic6x_elf_scom_section.symbol = &tic6x_elf_scom_symbol;
3000 tic6x_elf_scom_section.symbol_ptr_ptr = &tic6x_elf_scom_symbol_ptr;
3001 tic6x_elf_scom_symbol.name = ".scommon";
3002 tic6x_elf_scom_symbol.flags = BSF_SECTION_SYM;
3003 tic6x_elf_scom_symbol.section = &tic6x_elf_scom_section;
3004 tic6x_elf_scom_symbol_ptr = &tic6x_elf_scom_symbol;
3005 }
ac145307
BS		 3006 asym->section = &tic6x_elf_scom_section;
3007 asym->value = elfsym->internal_elf_sym.st_size;
3008 break;
3009 }
3010}
3011
3012static int
3013elf32_tic6x_link_output_symbol_hook (struct bfd_link_info *info ATTRIBUTE_UNUSED,
3014 const char *name ATTRIBUTE_UNUSED,
3015 Elf_Internal_Sym *sym,
3016 asection *input_sec,
3017 struct elf_link_hash_entry *h ATTRIBUTE_UNUSED)
3018{
3019 /* If we see a common symbol, which implies a relocatable link, then
3020 if a symbol was small common in an input file, mark it as small
3021 common in the output file. */
3022 if (sym->st_shndx == SHN_COMMON && strcmp (input_sec->name, ".scommon") == 0)
3023 sym->st_shndx = SHN_TIC6X_SCOMMON;
3024
3025 return 1;
3026}
3027
3028static bfd_boolean
3029elf32_tic6x_section_from_bfd_section (bfd *abfd ATTRIBUTE_UNUSED,
3030 asection *sec,
3031 int *retval)
3032{
fd361982 3033 if (strcmp (bfd_section_name (sec), ".scommon") == 0)
ac145307
BS		 3034 {
3035 *retval = SHN_TIC6X_SCOMMON;
3036 return TRUE;
3037 }
3038
3039 return FALSE;
3040}
3041
3042/* Allocate space in .plt, .got and associated reloc sections for
3043 dynamic relocs. */
3044
3045static bfd_boolean
3046elf32_tic6x_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
3047{
3048 struct bfd_link_info *info;
3049 struct elf32_tic6x_link_hash_table *htab;
ac145307
BS		 3050 struct elf_dyn_relocs *p;
3051
3052 if (h->root.type == bfd_link_hash_indirect)
3053 return TRUE;
3054
ac145307
BS		 3055 info = (struct bfd_link_info *) inf;
3056 htab = elf32_tic6x_hash_table (info);
3057
3058 if (htab->elf.dynamic_sections_created && h->plt.refcount > 0)
3059 {
3060 /* Make sure this symbol is output as a dynamic symbol.
3061 Undefined weak syms won't yet be marked as dynamic. */
3062 if (h->dynindx == -1 && !h->forced_local)
3063 {
3064 if (! bfd_elf_link_record_dynamic_symbol (info, h))
3065 return FALSE;
3066 }
3067
0e1862bb 3068 if (bfd_link_pic (info)
ac145307
BS		 3069 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h))
3070 {
3071 asection *s = htab->elf.splt;
3072
3073 /* If this is the first .plt entry, make room for the special
3074 first entry. */
3075 if (s->size == 0)
3076 s->size += PLT_ENTRY_SIZE;
3077
3078 h->plt.offset = s->size;
3079
3080 /* If this symbol is not defined in a regular file, and we are
3081 not generating a shared library, then set the symbol to this
3082 location in the .plt. This is required to make function
3083 pointers compare as equal between the normal executable and
3084 the shared library. */
0e1862bb 3085 if (! bfd_link_pic (info) && !h->def_regular)
ac145307
BS		 3086 {
3087 h->root.u.def.section = s;
3088 h->root.u.def.value = h->plt.offset;
3089 }
3090
3091 /* Make room for this entry. */
3092 s->size += PLT_ENTRY_SIZE;
3093 /* We also need to make an entry in the .got.plt section, which
3094 will be placed in the .got section by the linker script. */
3095 htab->elf.sgotplt->size += 4;
3096 /* We also need to make an entry in the .rel.plt section. */
3097 htab->elf.srelplt->size += sizeof (Elf32_External_Rela);
3098 }
3099 else
3100 {
3101 h->plt.offset = (bfd_vma) -1;
3102 h->needs_plt = 0;
3103 }
3104 }
3105 else
3106 {
3107 h->plt.offset = (bfd_vma) -1;
3108 h->needs_plt = 0;
3109 }
3110
3111 if (h->got.refcount > 0)
3112 {
3113 asection *s;
3114
3115 /* Make sure this symbol is output as a dynamic symbol.
3116 Undefined weak syms won't yet be marked as dynamic. */
3117 if (h->dynindx == -1
3118 && !h->forced_local)
3119 {
3120 if (! bfd_elf_link_record_dynamic_symbol (info, h))
3121 return FALSE;
3122 }
3123
3124 s = htab->elf.sgot;
3125 h->got.offset = s->size;
3126 s->size += 4;
3127
3128 if (!(ELF_ST_VISIBILITY (h->other)
3129 && h->root.type == bfd_link_hash_undefweak))
3130 htab->elf.srelgot->size += sizeof (Elf32_External_Rela);
3131 }
3132 else
3133 h->got.offset = (bfd_vma) -1;
3134
190eb1dd 3135 if (h->dyn_relocs == NULL)
ac145307
BS		 3136 return TRUE;
3137
3138 /* Discard relocs on undefined weak syms with non-default
3139 visibility. */
0e1862bb 3140 if (bfd_link_pic (info) || elf32_tic6x_using_dsbt (htab->obfd))
ac145307
BS		 3141 {
3142 /* We use the pc_count field to hold the number of
3143 R_C6000_DSBT_INDEX relocs. */
3144 if (htab->params.dsbt_index != 0)
3145 {
3146 struct elf_dyn_relocs **pp;
3147
190eb1dd 3148 for (pp = &h->dyn_relocs; (p = *pp) != NULL; )
ac145307
BS		 3149 {
3150 p->count -= p->pc_count;
3151 p->pc_count = 0;
3152 if (p->count == 0)
3153 *pp = p->next;
3154 else
3155 pp = &p->next;
3156 }
3157 }
3158
190eb1dd 3159 if (h->dyn_relocs != NULL
ac145307
BS		 3160 && h->root.type == bfd_link_hash_undefweak)
3161 {
3162 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
190eb1dd 3163 h->dyn_relocs = NULL;
ac145307
BS		 3164
3165 /* Make sure undefined weak symbols are output as a dynamic
3166 symbol in PIEs. */
3167 else if (h->dynindx == -1
3168 && !h->forced_local)
3169 {
3170 if (! bfd_elf_link_record_dynamic_symbol (info, h))
3171 return FALSE;
3172 }
3173 }
3174 }
3175
3176 /* Finally, allocate space. */
190eb1dd 3177 for (p = h->dyn_relocs; p != NULL; p = p->next)
ac145307
BS		 3178 {
3179 asection *sreloc;
3180
3181 sreloc = elf_section_data (p->sec)->sreloc;
3182
3183 BFD_ASSERT (sreloc != NULL);
3184 sreloc->size += p->count * sizeof (Elf32_External_Rela);
3185 }
3186
3187 return TRUE;
3188}
3189
63c1f59d
AM		 3190/* Set DF_TEXTREL if we find any dynamic relocs that apply to
3191 read-only sections. */
ac145307
BS		 3192
3193static bfd_boolean
63c1f59d 3194maybe_set_textrel (struct elf_link_hash_entry *h, void *info_p)
ac145307 3195{
63c1f59d 3196 asection *sec;
ac145307 3197
63c1f59d
AM		 3198 if (h->root.type == bfd_link_hash_indirect)
3199 return TRUE;
ac145307 3200
63c1f59d
AM		 3201 sec = readonly_dynrelocs (h);
3202 if (sec != NULL)
3203 {
3204 struct bfd_link_info *info = (struct bfd_link_info *) info_p;
ac145307 3205
63c1f59d
AM		 3206 info->flags |= DF_TEXTREL;
3207 info->callbacks->minfo
c1c8c1ef 3208 (_("%pB: dynamic relocation against `%pT' in read-only section `%pA'\n"),
63c1f59d 3209 sec->owner, h->root.root.string, sec);
ac145307 3210
63c1f59d
AM		 3211 /* Not an error, just cut short the traversal. */
3212 return FALSE;
ac145307
BS		 3213 }
3214 return TRUE;
3215}
3216
3217/* Set the sizes of the dynamic sections. */
3218
3219static bfd_boolean
3220elf32_tic6x_size_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
3221{
3222 struct elf32_tic6x_link_hash_table *htab;
3223 bfd *dynobj;
3224 asection *s;
3225 bfd_boolean relocs;
3226 bfd *ibfd;
3227
3228 htab = elf32_tic6x_hash_table (info);
3229 dynobj = htab->elf.dynobj;
3230 if (dynobj == NULL)
3231 abort ();
3232
3233 if (htab->elf.dynamic_sections_created)
3234 {
3235 /* Set the contents of the .interp section to the interpreter. */
9b8b325a 3236 if (bfd_link_executable (info) && !info->nointerp)
ac145307 3237 {
3d4d4302 3238 s = bfd_get_linker_section (dynobj, ".interp");
ac145307
BS		 3239 if (s == NULL)
3240 abort ();
3241 s->size = sizeof ELF_DYNAMIC_INTERPRETER;
3242 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
3243 }
3244 }
3245
3246 /* Set up .got offsets for local syms, and space for local dynamic
3247 relocs. */
c72f2fb2 3248 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
ac145307
BS		 3249 {
3250 bfd_signed_vma *local_got;
3251 bfd_signed_vma *end_local_got;
ac145307
BS		 3252 bfd_size_type locsymcount;
3253 Elf_Internal_Shdr *symtab_hdr;
3254 asection *srel;
3255
3256 for (s = ibfd->sections; s != NULL; s = s->next)
3257 {
3258 struct elf_dyn_relocs *p;
3259
3260 for (p = ((struct elf_dyn_relocs *)
3261 elf_section_data (s)->local_dynrel);
3262 p != NULL;
3263 p = p->next)
3264 {
3265 if (!bfd_is_abs_section (p->sec)
3266 && bfd_is_abs_section (p->sec->output_section))
3267 {
3268 /* Input section has been discarded, either because
3269 it is a copy of a linkonce section or due to
3270 linker script /DISCARD/, so we'll be discarding
3271 the relocs too. */
3272 }
3273 else if (p->count != 0)
3274 {
3275 srel = elf_section_data (p->sec)->sreloc;
3276 srel->size += p->count * sizeof (Elf32_External_Rela);
3277 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
3278 info->flags |= DF_TEXTREL;
3279 }
3280 }
3281 }
3282
3283 local_got = elf_local_got_refcounts (ibfd);
3284 if (!local_got)
3285 continue;
3286
3287 symtab_hdr = &elf_symtab_hdr (ibfd);
3288 locsymcount = symtab_hdr->sh_info;
3289 end_local_got = local_got + locsymcount;
3290 s = htab->elf.sgot;
3291 srel = htab->elf.srelgot;
544008aa 3292 for (; local_got < end_local_got; ++local_got)
ac145307
BS		 3293 {
3294 if (*local_got > 0)
3295 {
3296 *local_got = s->size;
3297 s->size += 4;
3298
0e1862bb 3299 if (bfd_link_pic (info) || elf32_tic6x_using_dsbt (output_bfd))
ac145307
BS		 3300 {
3301 srel->size += sizeof (Elf32_External_Rela);
3302 }
3303 }
3304 else
3305 *local_got = (bfd_vma) -1;
3306 }
3307 }
3308
3309 /* Allocate global sym .plt and .got entries, and space for global
3310 sym dynamic relocs. */
3311 elf_link_hash_traverse (&htab->elf, elf32_tic6x_allocate_dynrelocs, info);
3312
3313 /* We now have determined the sizes of the various dynamic sections.
3314 Allocate memory for them. */
3315 relocs = FALSE;
3316 for (s = dynobj->sections; s != NULL; s = s->next)
3317 {
3318 bfd_boolean strip_section = TRUE;
3319
3320 if ((s->flags & SEC_LINKER_CREATED) == 0)
3321 continue;
3322
3323 if (s == htab->dsbt)
3324 s->size = 4 * htab->params.dsbt_size;
3325 else if (s == htab->elf.splt
3326 || s == htab->elf.sgot
3327 || s == htab->elf.sgotplt
5474d94f
AM		 3328 || s == htab->elf.sdynbss
3329 || s == htab->elf.sdynrelro)
ac145307
BS		 3330 {
3331 /* Strip this section if we don't need it; see the
3332 comment below. */
3333 /* We'd like to strip these sections if they aren't needed, but if
3334 we've exported dynamic symbols from them we must leave them.
3335 It's too late to tell BFD to get rid of the symbols. */
3336
3337 if (htab->elf.hplt != NULL)
3338 strip_section = FALSE;
3339
3340 /* Round up the size of the PLT section to a multiple of 32. */
3341 if (s == htab->elf.splt && s->size > 0)
3342 s->size = (s->size + 31) & ~(bfd_vma)31;
3343 }
fd361982 3344 else if (CONST_STRNEQ (bfd_section_name (s), ".rela"))
ac145307
BS		 3345 {
3346 if (s->size != 0
3347 && s != htab->elf.srelplt)
3348 relocs = TRUE;
3349
3350 /* We use the reloc_count field as a counter if we need
3351 to copy relocs into the output file. */
3352 s->reloc_count = 0;
3353 }
3354 else
3355 {
3356 /* It's not one of our sections, so don't allocate space. */
3357 continue;
3358 }
3359
3360 if (s->size == 0)
3361 {
3362 /* If we don't need this section, strip it from the
3363 output file. This is mostly to handle .rel.bss and
3364 .rel.plt. We must create both sections in
3365 create_dynamic_sections, because they must be created
3366 before the linker maps input sections to output
3367 sections. The linker does that before
3368 adjust_dynamic_symbol is called, and it is that
3369 function which decides whether anything needs to go
3370 into these sections. */
3371 if (strip_section)
3372 s->flags |= SEC_EXCLUDE;
3373 continue;
3374 }
3375
3376 if ((s->flags & SEC_HAS_CONTENTS) == 0)
3377 continue;
3378
3379 /* Allocate memory for the section contents. We use bfd_zalloc
3380 here in case unused entries are not reclaimed before the
3381 section's contents are written out. This should not happen,
3382 but this way if it does, we get a R_C6000_NONE reloc instead
3383 of garbage. */
3384 s->contents = bfd_zalloc (dynobj, s->size);
3385 if (s->contents == NULL)
3386 return FALSE;
3387 }
3388
3389 if (htab->elf.dynamic_sections_created)
3390 {
3391 /* Add some entries to the .dynamic section. We fill in the
3392 values later, in elf32_tic6x_finish_dynamic_sections, but we
3393 must add the entries now so that we get the correct size for
3394 the .dynamic section. The DT_DEBUG entry is filled in by the
3395 dynamic linker and used by the debugger. */
3396#define add_dynamic_entry(TAG, VAL) \
3397 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
3398
0e1862bb 3399 if (bfd_link_executable (info))
ac145307
BS		 3400 {
3401 if (!add_dynamic_entry (DT_DEBUG, 0))
3402 return FALSE;
3403 }
3404
3405 if (!add_dynamic_entry (DT_C6000_DSBT_BASE, 0)
3406 || !add_dynamic_entry (DT_C6000_DSBT_SIZE, htab->params.dsbt_size)
3407 || !add_dynamic_entry (DT_C6000_DSBT_INDEX,
3408 htab->params.dsbt_index))
3409 return FALSE;
3410
3411 if (htab->elf.splt->size != 0)
3412 {
3413 if (!add_dynamic_entry (DT_PLTGOT, 0)
3414 || !add_dynamic_entry (DT_PLTRELSZ, 0)
3415 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
3416 || !add_dynamic_entry (DT_JMPREL, 0))
3417 return FALSE;
3418 }
3419
3420 if (relocs)
3421 {
3422 if (!add_dynamic_entry (DT_RELA, 0)
3423 || !add_dynamic_entry (DT_RELASZ, 0)
3424 || !add_dynamic_entry (DT_RELAENT, sizeof (Elf32_External_Rela)))
3425 return FALSE;
3426
3427 /* If any dynamic relocs apply to a read-only section,
3428 then we need a DT_TEXTREL entry. */
3429 if ((info->flags & DF_TEXTREL) == 0)
63c1f59d 3430 elf_link_hash_traverse (&htab->elf, maybe_set_textrel, info);
ac145307
BS		 3431
3432 if ((info->flags & DF_TEXTREL) != 0)
3433 {
3434 if (!add_dynamic_entry (DT_TEXTREL, 0))
3435 return FALSE;
3436 }
3437 }
3438 }
3439#undef add_dynamic_entry
3440
3441 return TRUE;
3442}
3443
3444/* This function is called after all the input files have been read,
3445 and the input sections have been assigned to output sections. */
3446
3447static bfd_boolean
3448elf32_tic6x_always_size_sections (bfd *output_bfd, struct bfd_link_info *info)
3449{
0e1862bb 3450 if (elf32_tic6x_using_dsbt (output_bfd) && !bfd_link_relocatable (info)
04c3a755
NS		 3451 && !bfd_elf_stack_segment_size (output_bfd, info,
3452 "__stacksize", DEFAULT_STACK_SIZE))
3453 return FALSE;
ac145307
BS		 3454
3455 return TRUE;
3456}
3457
3458static bfd_boolean
3459elf32_tic6x_finish_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
3460 struct bfd_link_info *info)
3461{
3462 struct elf32_tic6x_link_hash_table *htab;
3463 bfd *dynobj;
3464 asection *sdyn;
3465
3466 htab = elf32_tic6x_hash_table (info);
3467 dynobj = htab->elf.dynobj;
3d4d4302 3468 sdyn = bfd_get_linker_section (dynobj, ".dynamic");
ac145307
BS		 3469
3470 if (elf_hash_table (info)->dynamic_sections_created)
3471 {
3472 Elf32_External_Dyn * dyncon;
3473 Elf32_External_Dyn * dynconend;
3474
3475 BFD_ASSERT (sdyn != NULL);
3476
3477 dyncon = (Elf32_External_Dyn *) sdyn->contents;
3478 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
3479
3480 for (; dyncon < dynconend; dyncon++)
3481 {
3482 Elf_Internal_Dyn dyn;
3483 asection *s;
3484
3485 bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
3486
3487 switch (dyn.d_tag)
3488 {
3489 default:
3490 break;
3491
3492 case DT_C6000_DSBT_BASE:
3493 s = htab->dsbt;
3494 dyn.d_un.d_ptr = (s->output_section->vma + s->output_offset);
3495 break;
3496
3497 case DT_PLTGOT:
3498 s = htab->elf.sgotplt;
3499 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
3500 break;
3501
3502 case DT_JMPREL:
3503 s = htab->elf.srelplt;
3504 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
3505 break;
3506
3507 case DT_PLTRELSZ:
3508 s = htab->elf.srelplt;
3509 dyn.d_un.d_val = s->size;
3510 break;
3511 }
3512 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
3513 }
3514
3515 /* Fill in the first entry in the procedure linkage table. */
3516 if (htab->elf.splt && htab->elf.splt->size > 0)
3517 {
3518 bfd_vma got_offs = (htab->elf.sgotplt->output_section->vma
3519 + htab->elf.sgotplt->output_offset
3520 - htab->dsbt->output_section->vma
3521 - htab->dsbt->output_offset) / 4;
3522
3523 /* ldw .D2T2 *+b14[$GOT(0)],b2 */
3524 bfd_put_32 (output_bfd, got_offs << 8 | 0x0100006e,
3525 htab->elf.splt->contents);
3526 /* ldw .D2T2 *+b14[$GOT(4)],b1 */
3527 bfd_put_32 (output_bfd, (got_offs + 1) << 8 | 0x0080006e,
3528 htab->elf.splt->contents + 4);
3529 /* nop 3 */
3530 bfd_put_32 (output_bfd, 0x00004000,
3531 htab->elf.splt->contents + 8);
3532 /* b .s2 b2 */
3533 bfd_put_32 (output_bfd, 0x00080362,
3534 htab->elf.splt->contents + 12);
3535 /* nop 5 */
3536 bfd_put_32 (output_bfd, 0x00008000,
3537 htab->elf.splt->contents + 16);
3538
3539 elf_section_data (htab->elf.splt->output_section)
3540 ->this_hdr.sh_entsize = PLT_ENTRY_SIZE;
3541 }
3542 }
3543
3544 return TRUE;
3545}
3546
3547/* Return address for Ith PLT stub in section PLT, for relocation REL
3548 or (bfd_vma) -1 if it should not be included. */
3549
3550static bfd_vma
3551elf32_tic6x_plt_sym_val (bfd_vma i, const asection *plt,
3552 const arelent *rel ATTRIBUTE_UNUSED)
3553{
3554 return plt->vma + (i + 1) * PLT_ENTRY_SIZE;
3555}
3556
3557static int
3558elf32_tic6x_obj_attrs_arg_type (int tag)
59e6276b 3559{
3cbd1c06 3560 if (tag == Tag_ABI_compatibility)
59e6276b 3561 return ATTR_TYPE_FLAG_INT_VAL | ATTR_TYPE_FLAG_STR_VAL;
87779176
JM		 3562 else if (tag & 1)
3563 return ATTR_TYPE_FLAG_STR_VAL;
59e6276b 3564 else
59e6276b
JM		 3565 return ATTR_TYPE_FLAG_INT_VAL;
3566}
3567
87779176
JM		 3568static int
3569elf32_tic6x_obj_attrs_order (int num)
3570{
3571 if (num == LEAST_KNOWN_OBJ_ATTRIBUTE)
3572 return Tag_ABI_conformance;
3573 if ((num - 1) < Tag_ABI_conformance)
3574 return num - 1;
3575 return num;
3576}
3577
0547accf
JM		 3578static bfd_boolean
3579elf32_tic6x_obj_attrs_handle_unknown (bfd *abfd, int tag)
3580{
3581 if ((tag & 127) < 64)
3582 {
3583 _bfd_error_handler
695344c0 3584 /* xgettext:c-format */
871b3ab2 3585 (_("%pB: error: unknown mandatory EABI object attribute %d"),
0547accf
JM		 3586 abfd, tag);
3587 bfd_set_error (bfd_error_bad_value);
3588 return FALSE;
3589 }
3590 else
3591 {
3592 _bfd_error_handler
695344c0 3593 /* xgettext:c-format */
871b3ab2 3594 (_("%pB: warning: unknown EABI object attribute %d"),
0547accf
JM		 3595 abfd, tag);
3596 return TRUE;
3597 }
3598}
3599
75fa6dc1 3600/* Merge the Tag_ISA attribute values ARCH1 and ARCH2
59e6276b
JM		 3601 and return the merged value. At present, all merges succeed, so no
3602 return value for errors is defined. */
3603
3604int
3605elf32_tic6x_merge_arch_attributes (int arch1, int arch2)
3606{
3607 int min_arch, max_arch;
3608
3609 min_arch = (arch1 < arch2 ? arch1 : arch2);
3610 max_arch = (arch1 > arch2 ? arch1 : arch2);
3611
3612 /* In most cases, the numerically greatest value is the correct
3613 merged value, but merging C64 and C67 results in C674X. */
75fa6dc1
JM		 3614 if ((min_arch == C6XABI_Tag_ISA_C67X
3615 || min_arch == C6XABI_Tag_ISA_C67XP)
3616 && (max_arch == C6XABI_Tag_ISA_C64X
3617 || max_arch == C6XABI_Tag_ISA_C64XP))
3618 return C6XABI_Tag_ISA_C674X;
59e6276b
JM		 3619
3620 return max_arch;
3621}
3622
87779176
JM		 3623/* Convert a Tag_ABI_array_object_alignment or
3624 Tag_ABI_array_object_align_expected tag value TAG to a
3625 corresponding alignment value; return the alignment, or -1 for an
3626 unknown tag value. */
3627
3628static int
3629elf32_tic6x_tag_to_array_alignment (int tag)
3630{
3631 switch (tag)
3632 {
3633 case 0:
3634 return 8;
3635
3636 case 1:
3637 return 4;
3638
3639 case 2:
3640 return 16;
3641
3642 default:
3643 return -1;
3644 }
3645}
3646
3647/* Convert a Tag_ABI_array_object_alignment or
3648 Tag_ABI_array_object_align_expected alignment ALIGN to a
3649 corresponding tag value; return the tag value. */
3650
3651static int
3652elf32_tic6x_array_alignment_to_tag (int align)
3653{
3654 switch (align)
3655 {
3656 case 8:
3657 return 0;
3658
3659 case 4:
3660 return 1;
3661
3662 case 16:
3663 return 2;
3664
3665 default:
3666 abort ();
3667 }
3668}
3669
59e6276b
JM		 3670/* Merge attributes from IBFD and OBFD, returning TRUE if the merge
3671 succeeded, FALSE otherwise. */
3672
3673static bfd_boolean
50e03d47 3674elf32_tic6x_merge_attributes (bfd *ibfd, struct bfd_link_info *info)
59e6276b 3675{
50e03d47 3676 bfd *obfd = info->output_bfd;
87779176 3677 bfd_boolean result = TRUE;
59e6276b
JM		 3678 obj_attribute *in_attr;
3679 obj_attribute *out_attr;
87779176
JM		 3680 int i;
3681 int array_align_in, array_align_out, array_expect_in, array_expect_out;
59e6276b 3682
6b728d32
AM		 3683 /* FIXME: What should be checked when linking shared libraries? */
3684 if ((ibfd->flags & DYNAMIC) != 0)
3685 return TRUE;
3686
59e6276b
JM		 3687 if (!elf_known_obj_attributes_proc (obfd)[0].i)
3688 {
3689 /* This is the first object. Copy the attributes. */
3690 _bfd_elf_copy_obj_attributes (ibfd, obfd);
3691
3692 out_attr = elf_known_obj_attributes_proc (obfd);
3693
3694 /* Use the Tag_null value to indicate the attributes have been
3695 initialized. */
3696 out_attr[0].i = 1;
3697
3698 return TRUE;
3699 }
3700
3701 in_attr = elf_known_obj_attributes_proc (ibfd);
3702 out_attr = elf_known_obj_attributes_proc (obfd);
3703
3704 /* No specification yet for handling of unknown attributes, so just
3705 ignore them and handle known ones. */
59e6276b 3706
87779176
JM		 3707 if (out_attr[Tag_ABI_stack_align_preserved].i
3708 < in_attr[Tag_ABI_stack_align_needed].i)
3709 {
3710 _bfd_error_handler
695344c0 3711 /* xgettext:c-format */
871b3ab2 3712 (_("error: %pB requires more stack alignment than %pB preserves"),
87779176
JM		 3713 ibfd, obfd);
3714 result = FALSE;
3715 }
3716 if (in_attr[Tag_ABI_stack_align_preserved].i
3717 < out_attr[Tag_ABI_stack_align_needed].i)
3718 {
3719 _bfd_error_handler
695344c0 3720 /* xgettext:c-format */
871b3ab2 3721 (_("error: %pB requires more stack alignment than %pB preserves"),
87779176
JM		 3722 obfd, ibfd);
3723 result = FALSE;
3724 }
3725
3726 array_align_in = elf32_tic6x_tag_to_array_alignment
3727 (in_attr[Tag_ABI_array_object_alignment].i);
3728 if (array_align_in == -1)
3729 {
3730 _bfd_error_handler
871b3ab2 3731 (_("error: unknown Tag_ABI_array_object_alignment value in %pB"),
87779176
JM		 3732 ibfd);
3733 result = FALSE;
3734 }
3735 array_align_out = elf32_tic6x_tag_to_array_alignment
3736 (out_attr[Tag_ABI_array_object_alignment].i);
3737 if (array_align_out == -1)
3738 {
3739 _bfd_error_handler
871b3ab2 3740 (_("error: unknown Tag_ABI_array_object_alignment value in %pB"),
87779176
JM		 3741 obfd);
3742 result = FALSE;
3743 }
3744 array_expect_in = elf32_tic6x_tag_to_array_alignment
3745 (in_attr[Tag_ABI_array_object_align_expected].i);
3746 if (array_expect_in == -1)
3747 {
3748 _bfd_error_handler
871b3ab2 3749 (_("error: unknown Tag_ABI_array_object_align_expected value in %pB"),
87779176
JM		 3750 ibfd);
3751 result = FALSE;
3752 }
3753 array_expect_out = elf32_tic6x_tag_to_array_alignment
3754 (out_attr[Tag_ABI_array_object_align_expected].i);
3755 if (array_expect_out == -1)
3756 {
3757 _bfd_error_handler
871b3ab2 3758 (_("error: unknown Tag_ABI_array_object_align_expected value in %pB"),
87779176
JM		 3759 obfd);
3760 result = FALSE;
3761 }
3762
3763 if (array_align_out < array_expect_in)
3764 {
3765 _bfd_error_handler
695344c0 3766 /* xgettext:c-format */
871b3ab2 3767 (_("error: %pB requires more array alignment than %pB preserves"),
87779176
JM		 3768 ibfd, obfd);
3769 result = FALSE;
3770 }
3771 if (array_align_in < array_expect_out)
b5593623
JM		 3772 {
3773 _bfd_error_handler
695344c0 3774 /* xgettext:c-format */
871b3ab2 3775 (_("error: %pB requires more array alignment than %pB preserves"),
b5593623 3776 obfd, ibfd);
87779176 3777 result = FALSE;
b5593623 3778 }
87779176
JM		 3779
3780 for (i = LEAST_KNOWN_OBJ_ATTRIBUTE; i < NUM_KNOWN_OBJ_ATTRIBUTES; i++)
3781 {
3782 switch (i)
3783 {
3784 case Tag_ISA:
3785 out_attr[i].i = elf32_tic6x_merge_arch_attributes (in_attr[i].i,
3786 out_attr[i].i);
3787 break;
3788
3789 case Tag_ABI_wchar_t:
3790 if (out_attr[i].i == 0)
3791 out_attr[i].i = in_attr[i].i;
3792 if (out_attr[i].i != 0
3793 && in_attr[i].i != 0
3794 && out_attr[i].i != in_attr[i].i)
3795 {
3796 _bfd_error_handler
695344c0 3797 /* xgettext:c-format */
871b3ab2 3798 (_("warning: %pB and %pB differ in wchar_t size"), obfd, ibfd);
87779176
JM		 3799 }
3800 break;
3801
3802 case Tag_ABI_stack_align_needed:
3803 if (out_attr[i].i < in_attr[i].i)
3804 out_attr[i].i = in_attr[i].i;
3805 break;
3806
3807 case Tag_ABI_stack_align_preserved:
3808 if (out_attr[i].i > in_attr[i].i)
3809 out_attr[i].i = in_attr[i].i;
3810 break;
3811
3812 case Tag_ABI_DSBT:
3813 if (out_attr[i].i != in_attr[i].i)
3814 {
3815 _bfd_error_handler
695344c0 3816 /* xgettext:c-format */
871b3ab2 3817 (_("warning: %pB and %pB differ in whether code is "
87779176
JM		 3818 "compiled for DSBT"),
3819 obfd, ibfd);
3820 }
3821 break;
3822
87779176 3823 case Tag_ABI_PIC:
c6a8f6e0 3824 case Tag_ABI_PID:
a8acd6ee
AM		 3825 /* Don't transfer these tags from dynamic objects. */
3826 if ((ibfd->flags & DYNAMIC) != 0)
3827 continue;
c6a8f6e0
BS		 3828 if (out_attr[i].i > in_attr[i].i)
3829 out_attr[i].i = in_attr[i].i;
87779176
JM		 3830 break;
3831
3832 case Tag_ABI_array_object_alignment:
3833 if (array_align_out != -1
3834 && array_align_in != -1
3835 && array_align_out > array_align_in)
3836 out_attr[i].i
3837 = elf32_tic6x_array_alignment_to_tag (array_align_in);
3838 break;
3839
3840 case Tag_ABI_array_object_align_expected:
3841 if (array_expect_out != -1
3842 && array_expect_in != -1
3843 && array_expect_out < array_expect_in)
3844 out_attr[i].i
3845 = elf32_tic6x_array_alignment_to_tag (array_expect_in);
3846 break;
3847
3848 case Tag_ABI_conformance:
3849 /* Merging for this attribute is not specified. As on ARM,
3850 treat a missing attribute as no claim to conform and only
3851 merge identical values. */
3852 if (out_attr[i].s == NULL
3853 || in_attr[i].s == NULL
3854 || strcmp (out_attr[i].s,
3855 in_attr[i].s) != 0)
3856 out_attr[i].s = NULL;
3857 break;
3858
0547accf
JM		 3859 case Tag_ABI_compatibility:
3860 /* Merged in _bfd_elf_merge_object_attributes. */
3861 break;
3862
87779176 3863 default:
0547accf
JM		 3864 result
3865 = result && _bfd_elf_merge_unknown_attribute_low (ibfd, obfd, i);
87779176
JM		 3866 break;
3867 }
3868
3869 if (in_attr[i].type && !out_attr[i].type)
3870 out_attr[i].type = in_attr[i].type;
3871 }
3872
3cbd1c06 3873 /* Merge Tag_ABI_compatibility attributes and any common GNU ones. */
50e03d47 3874 if (!_bfd_elf_merge_object_attributes (ibfd, info))
3cbd1c06 3875 return FALSE;
59e6276b 3876
0547accf
JM		 3877 result &= _bfd_elf_merge_unknown_attribute_list (ibfd, obfd);
3878
87779176 3879 return result;
59e6276b
JM		 3880}
3881
3882static bfd_boolean
50e03d47 3883elf32_tic6x_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
59e6276b 3884{
50e03d47 3885 if (!_bfd_generic_verify_endian_match (ibfd, info))
59e6276b
JM		 3886 return FALSE;
3887
50e03d47 3888 if (! is_tic6x_elf (ibfd) || ! is_tic6x_elf (info->output_bfd))
b781d74f
JM		 3889 return TRUE;
3890
50e03d47 3891 if (!elf32_tic6x_merge_attributes (ibfd, info))
59e6276b
JM		 3892 return FALSE;
3893
3894 return TRUE;
3895}
3896
fbd9ad90
PB		 3897/* Add a new unwind edit to the list described by HEAD, TAIL. If TINDEX is zero,
3898 adds the edit to the start of the list. (The list must be built in order of
3899 ascending TINDEX: the function's callers are primarily responsible for
3900 maintaining that condition). */
3901
3902static void
3903elf32_tic6x_add_unwind_table_edit (tic6x_unwind_table_edit **head,
3904 tic6x_unwind_table_edit **tail,
3905 tic6x_unwind_edit_type type,
3906 asection *linked_section,
3907 unsigned int tindex)
3908{
3909 tic6x_unwind_table_edit *new_edit = (tic6x_unwind_table_edit *)
3910 xmalloc (sizeof (tic6x_unwind_table_edit));
68ffbac6 3911
fbd9ad90
PB		 3912 new_edit->type = type;
3913 new_edit->linked_section = linked_section;
3914 new_edit->index = tindex;
68ffbac6 3915
fbd9ad90
PB		 3916 if (tindex > 0)
3917 {
3918 new_edit->next = NULL;
3919
3920 if (*tail)
3921 (*tail)->next = new_edit;
3922
3923 (*tail) = new_edit;
3924
3925 if (!*head)
3926 (*head) = new_edit;
3927 }
3928 else
3929 {
3930 new_edit->next = *head;
3931
3932 if (!*tail)
3933 *tail = new_edit;
3934
3935 *head = new_edit;
3936 }
3937}
3938
3939static _tic6x_elf_section_data *
3940get_tic6x_elf_section_data (asection * sec)
3941{
3942 if (sec && sec->owner && is_tic6x_elf (sec->owner))
3943 return elf32_tic6x_section_data (sec);
3944 else
3945 return NULL;
3946}
3947
3948
3949/* Increase the size of EXIDX_SEC by ADJUST bytes. ADJUST must be negative. */
3950static void
3951elf32_tic6x_adjust_exidx_size (asection *exidx_sec, int adjust)
3952{
3953 asection *out_sec;
3954
3955 if (!exidx_sec->rawsize)
3956 exidx_sec->rawsize = exidx_sec->size;
3957
fd361982 3958 bfd_set_section_size (exidx_sec, exidx_sec->size + adjust);
fbd9ad90
PB		 3959 out_sec = exidx_sec->output_section;
3960 /* Adjust size of output section. */
fd361982 3961 bfd_set_section_size (out_sec, out_sec->size +adjust);
fbd9ad90
PB		 3962}
3963
3964/* Insert an EXIDX_CANTUNWIND marker at the end of a section. */
3965static void
3966elf32_tic6x_insert_cantunwind_after (asection *text_sec, asection *exidx_sec)
3967{
3968 struct _tic6x_elf_section_data *exidx_data;
3969
3970 exidx_data = get_tic6x_elf_section_data (exidx_sec);
3971 elf32_tic6x_add_unwind_table_edit (
3972 &exidx_data->u.exidx.unwind_edit_list,
3973 &exidx_data->u.exidx.unwind_edit_tail,
3974 INSERT_EXIDX_CANTUNWIND_AT_END, text_sec, UINT_MAX);
3975
3976 elf32_tic6x_adjust_exidx_size (exidx_sec, 8);
3977}
3978
3979/* Scan .cx6abi.exidx tables, and create a list describing edits which
3980 should be made to those tables, such that:
68ffbac6 3981
fbd9ad90
PB		 3982 1. Regions without unwind data are marked with EXIDX_CANTUNWIND entries.
3983 2. Duplicate entries are merged together (EXIDX_CANTUNWIND, or unwind
07d6d2b8 3984 codes which have been inlined into the index).
fbd9ad90
PB		 3985
3986 If MERGE_EXIDX_ENTRIES is false, duplicate entries are not merged.
3987
3988 The edits are applied when the tables are written
3989 (in elf32_tic6x_write_section).
3990*/
3991
3992bfd_boolean
3993elf32_tic6x_fix_exidx_coverage (asection **text_section_order,
3994 unsigned int num_text_sections,
3995 struct bfd_link_info *info,
3996 bfd_boolean merge_exidx_entries)
3997{
3998 bfd *inp;
3999 unsigned int last_second_word = 0, i;
4000 asection *last_exidx_sec = NULL;
4001 asection *last_text_sec = NULL;
4002 int last_unwind_type = -1;
4003
4004 /* Walk over all EXIDX sections, and create backlinks from the corrsponding
4005 text sections. */
c72f2fb2 4006 for (inp = info->input_bfds; inp != NULL; inp = inp->link.next)
fbd9ad90
PB		 4007 {
4008 asection *sec;
68ffbac6 4009
fbd9ad90 4010 for (sec = inp->sections; sec != NULL; sec = sec->next)
07d6d2b8 4011 {
fbd9ad90
PB		 4012 struct bfd_elf_section_data *elf_sec = elf_section_data (sec);
4013 Elf_Internal_Shdr *hdr = &elf_sec->this_hdr;
68ffbac6 4014
fbd9ad90
PB		 4015 if (!hdr || hdr->sh_type != SHT_C6000_UNWIND)
4016 continue;
68ffbac6 4017
fbd9ad90
PB		 4018 if (elf_sec->linked_to)
4019 {
4020 Elf_Internal_Shdr *linked_hdr
07d6d2b8 4021 = &elf_section_data (elf_sec->linked_to)->this_hdr;
fbd9ad90 4022 struct _tic6x_elf_section_data *linked_sec_tic6x_data
07d6d2b8 4023 = get_tic6x_elf_section_data (linked_hdr->bfd_section);
fbd9ad90
PB		 4024
4025 if (linked_sec_tic6x_data == NULL)
07d6d2b8 4026 continue;
fbd9ad90
PB		 4027
4028 /* Link this .c6xabi.exidx section back from the
4029 text section it describes. */
4030 linked_sec_tic6x_data->u.text.tic6x_exidx_sec = sec;
4031 }
4032 }
4033 }
4034
4035 /* Walk all text sections in order of increasing VMA. Eilminate duplicate
4036 index table entries (EXIDX_CANTUNWIND and inlined unwind opcodes),
4037 and add EXIDX_CANTUNWIND entries for sections with no unwind table data. */
4038
4039 for (i = 0; i < num_text_sections; i++)
4040 {
4041 asection *sec = text_section_order[i];
4042 asection *exidx_sec;
4043 struct _tic6x_elf_section_data *tic6x_data
07d6d2b8 4044 = get_tic6x_elf_section_data (sec);
fbd9ad90
PB		 4045 struct _tic6x_elf_section_data *exidx_data;
4046 bfd_byte *contents = NULL;
4047 int deleted_exidx_bytes = 0;
4048 bfd_vma j;
4049 tic6x_unwind_table_edit *unwind_edit_head = NULL;
4050 tic6x_unwind_table_edit *unwind_edit_tail = NULL;
4051 Elf_Internal_Shdr *hdr;
4052 bfd *ibfd;
4053
4054 if (tic6x_data == NULL)
07d6d2b8 4055 continue;
fbd9ad90
PB		 4056
4057 exidx_sec = tic6x_data->u.text.tic6x_exidx_sec;
4058 if (exidx_sec == NULL)
4059 {
4060 /* Section has no unwind data. */
4061 if (last_unwind_type == 0 || !last_exidx_sec)
4062 continue;
4063
4064 /* Ignore zero sized sections. */
4065 if (sec->size == 0)
4066 continue;
4067
4068 elf32_tic6x_insert_cantunwind_after (last_text_sec, last_exidx_sec);
4069 last_unwind_type = 0;
4070 continue;
4071 }
4072
4073 /* Skip /DISCARD/ sections. */
4074 if (bfd_is_abs_section (exidx_sec->output_section))
4075 continue;
4076
4077 hdr = &elf_section_data (exidx_sec)->this_hdr;
4078 if (hdr->sh_type != SHT_C6000_UNWIND)
07d6d2b8 4079 continue;
68ffbac6 4080
fbd9ad90
PB		 4081 exidx_data = get_tic6x_elf_section_data (exidx_sec);
4082 if (exidx_data == NULL)
07d6d2b8 4083 continue;
68ffbac6 4084
fbd9ad90 4085 ibfd = exidx_sec->owner;
68ffbac6 4086
fbd9ad90
PB		 4087 if (hdr->contents != NULL)
4088 contents = hdr->contents;
4089 else if (! bfd_malloc_and_get_section (ibfd, exidx_sec, &contents))
4090 /* An error? */
4091 continue;
4092
4093 for (j = 0; j < hdr->sh_size; j += 8)
4094 {
4095 unsigned int second_word = bfd_get_32 (ibfd, contents + j + 4);
4096 int unwind_type;
4097 int elide = 0;
4098
4099 /* An EXIDX_CANTUNWIND entry. */
4100 if (second_word == 1)
4101 {
4102 if (last_unwind_type == 0)
4103 elide = 1;
4104 unwind_type = 0;
4105 }
4106 /* Inlined unwinding data. Merge if equal to previous. */
4107 else if ((second_word & 0x80000000) != 0)
4108 {
4109 if (merge_exidx_entries
4110 && last_second_word == second_word
4111 && last_unwind_type == 1)
4112 elide = 1;
4113 unwind_type = 1;
4114 last_second_word = second_word;
4115 }
4116 /* Normal table entry. In theory we could merge these too,
4117 but duplicate entries are likely to be much less common. */
4118 else
4119 unwind_type = 2;
4120
4121 if (elide)
4122 {
4123 elf32_tic6x_add_unwind_table_edit (&unwind_edit_head,
4124 &unwind_edit_tail, DELETE_EXIDX_ENTRY, NULL, j / 8);
4125
4126 deleted_exidx_bytes += 8;
4127 }
4128
4129 last_unwind_type = unwind_type;
4130 }
4131
4132 /* Free contents if we allocated it ourselves. */
4133 if (contents != hdr->contents)
07d6d2b8 4134 free (contents);
fbd9ad90
PB		 4135
4136 /* Record edits to be applied later (in elf32_tic6x_write_section). */
4137 exidx_data->u.exidx.unwind_edit_list = unwind_edit_head;
4138 exidx_data->u.exidx.unwind_edit_tail = unwind_edit_tail;
68ffbac6 4139
fbd9ad90
PB		 4140 if (deleted_exidx_bytes > 0)
4141 elf32_tic6x_adjust_exidx_size (exidx_sec, -deleted_exidx_bytes);
4142
4143 last_exidx_sec = exidx_sec;
4144 last_text_sec = sec;
4145 }
4146
4147 /* Add terminating CANTUNWIND entry. */
4148 if (last_exidx_sec && last_unwind_type != 0)
4149 elf32_tic6x_insert_cantunwind_after (last_text_sec, last_exidx_sec);
4150
4151 return TRUE;
4152}
4153
4154/* Add ADDEND to lower 31 bits of VAL, leaving other bits unmodified. */
4155
4156static unsigned long
4157elf32_tic6x_add_low31 (unsigned long val, bfd_vma addend)
4158{
4159 return (val & ~0x7ffffffful) | ((val + addend) & 0x7ffffffful);
4160}
4161
4162/* Copy an .c6xabi.exidx table entry, adding OFFSET to (applied) PREL31
4163 relocations. OFFSET is in bytes, and will be scaled before encoding. */
4164
4165
4166static void
4167elf32_tic6x_copy_exidx_entry (bfd *output_bfd, bfd_byte *to, bfd_byte *from,
4168 bfd_vma offset)
4169{
4170 unsigned long first_word = bfd_get_32 (output_bfd, from);
4171 unsigned long second_word = bfd_get_32 (output_bfd, from + 4);
4172
4173 offset >>= 1;
4174 /* High bit of first word is supposed to be zero. */
4175 if ((first_word & 0x80000000ul) == 0)
4176 first_word = elf32_tic6x_add_low31 (first_word, offset);
68ffbac6 4177
fbd9ad90
PB		 4178 /* If the high bit of the first word is clear, and the bit pattern is not 0x1
4179 (EXIDX_CANTUNWIND), this is an offset to an .c6xabi.extab entry. */
4180 if ((second_word != 0x1) && ((second_word & 0x80000000ul) == 0))
4181 second_word = elf32_tic6x_add_low31 (second_word, offset);
68ffbac6 4182
fbd9ad90
PB		 4183 bfd_put_32 (output_bfd, first_word, to);
4184 bfd_put_32 (output_bfd, second_word, to + 4);
4185}
4186
4187/* Do the actual mangling of exception index tables. */
4188
4189static bfd_boolean
4190elf32_tic6x_write_section (bfd *output_bfd,
4191 struct bfd_link_info *link_info,
4192 asection *sec,
4193 bfd_byte *contents)
4194{
4195 _tic6x_elf_section_data *tic6x_data;
4196 struct elf32_tic6x_link_hash_table *globals
4197 = elf32_tic6x_hash_table (link_info);
4198 bfd_vma offset = sec->output_section->vma + sec->output_offset;
4199
4200 if (globals == NULL)
4201 return FALSE;
4202
4203 /* If this section has not been allocated an _tic6x_elf_section_data
4204 structure then we cannot record anything. */
4205 tic6x_data = get_tic6x_elf_section_data (sec);
4206 if (tic6x_data == NULL)
4207 return FALSE;
4208
4209 if (tic6x_data->elf.this_hdr.sh_type != SHT_C6000_UNWIND)
4210 return FALSE;
4211
4212 tic6x_unwind_table_edit *edit_node
4213 = tic6x_data->u.exidx.unwind_edit_list;
4214 /* Now, sec->size is the size of the section we will write. The original
4215 size (before we merged duplicate entries and inserted EXIDX_CANTUNWIND
4216 markers) was sec->rawsize. (This isn't the case if we perform no
4217 edits, then rawsize will be zero and we should use size). */
4218 bfd_byte *edited_contents = (bfd_byte *) bfd_malloc (sec->size);
4219 unsigned int input_size = sec->rawsize ? sec->rawsize : sec->size;
4220 unsigned int in_index, out_index;
4221 bfd_vma add_to_offsets = 0;
4222
4223 for (in_index = 0, out_index = 0; in_index * 8 < input_size || edit_node;)
4224 {
4225 if (edit_node)
4226 {
4227 unsigned int edit_index = edit_node->index;
68ffbac6 4228
fbd9ad90
PB		 4229 if (in_index < edit_index && in_index * 8 < input_size)
4230 {
4231 elf32_tic6x_copy_exidx_entry (output_bfd,
4232 edited_contents + out_index * 8,
4233 contents + in_index * 8, add_to_offsets);
4234 out_index++;
4235 in_index++;
4236 }
4237 else if (in_index == edit_index
4238 || (in_index * 8 >= input_size
4239 && edit_index == UINT_MAX))
4240 {
4241 switch (edit_node->type)
4242 {
4243 case DELETE_EXIDX_ENTRY:
4244 in_index++;
4245 add_to_offsets += 8;
4246 break;
68ffbac6 4247
fbd9ad90
PB		 4248 case INSERT_EXIDX_CANTUNWIND_AT_END:
4249 {
4250 asection *text_sec = edit_node->linked_section;
4251 bfd_vma text_offset = text_sec->output_section->vma
4252 + text_sec->output_offset
4253 + text_sec->size;
4254 bfd_vma exidx_offset = offset + out_index * 8;
4255 unsigned long prel31_offset;
4256
4257 /* Note: this is meant to be equivalent to an
4258 R_C6000_PREL31 relocation. These synthetic
4259 EXIDX_CANTUNWIND markers are not relocated by the
4260 usual BFD method. */
4261 prel31_offset = ((text_offset - exidx_offset) >> 1)
4262 & 0x7ffffffful;
4263
4264 /* First address we can't unwind. */
4265 bfd_put_32 (output_bfd, prel31_offset,
4266 &edited_contents[out_index * 8]);
4267
4268 /* Code for EXIDX_CANTUNWIND. */
4269 bfd_put_32 (output_bfd, 0x1,
4270 &edited_contents[out_index * 8 + 4]);
4271
4272 out_index++;
4273 add_to_offsets -= 8;
4274 }
4275 break;
4276 }
68ffbac6 4277
fbd9ad90
PB		 4278 edit_node = edit_node->next;
4279 }
4280 }
4281 else
4282 {
4283 /* No more edits, copy remaining entries verbatim. */
4284 elf32_tic6x_copy_exidx_entry (output_bfd,
4285 edited_contents + out_index * 8,
4286 contents + in_index * 8, add_to_offsets);
4287 out_index++;
4288 in_index++;
4289 }
4290 }
4291
4292 if (!(sec->flags & SEC_EXCLUDE) && !(sec->flags & SEC_NEVER_LOAD))
4293 bfd_set_section_contents (output_bfd, sec->output_section,
4294 edited_contents,
4295 (file_ptr) sec->output_offset, sec->size);
4296
4297 return TRUE;
4298}
4299
6d00b590 4300#define TARGET_LITTLE_SYM tic6x_elf32_le_vec
40b36596 4301#define TARGET_LITTLE_NAME "elf32-tic6x-le"
6d00b590 4302#define TARGET_BIG_SYM tic6x_elf32_be_vec
40b36596
JM		 4303#define TARGET_BIG_NAME "elf32-tic6x-be"
4304#define ELF_ARCH bfd_arch_tic6x
ae95ffa6 4305#define ELF_TARGET_ID TIC6X_ELF_DATA
40b36596 4306#define ELF_MACHINE_CODE EM_TI_C6000
ac145307 4307#define ELF_MAXPAGESIZE 0x1000
40b36596
JM		 4308#define bfd_elf32_bfd_reloc_type_lookup elf32_tic6x_reloc_type_lookup
4309#define bfd_elf32_bfd_reloc_name_lookup elf32_tic6x_reloc_name_lookup
59e6276b 4310#define bfd_elf32_bfd_merge_private_bfd_data elf32_tic6x_merge_private_bfd_data
41820509 4311#define bfd_elf32_mkobject elf32_tic6x_mkobject
ac145307 4312#define bfd_elf32_bfd_link_hash_table_create elf32_tic6x_link_hash_table_create
41820509 4313#define bfd_elf32_new_section_hook elf32_tic6x_new_section_hook
04c3a755 4314#define elf_backend_stack_align 8
40b36596
JM		 4315#define elf_backend_can_gc_sections 1
4316#define elf_backend_default_use_rela_p 1
4317#define elf_backend_may_use_rel_p 1
4318#define elf_backend_may_use_rela_p 1
59e6276b 4319#define elf_backend_obj_attrs_arg_type elf32_tic6x_obj_attrs_arg_type
0547accf 4320#define elf_backend_obj_attrs_handle_unknown elf32_tic6x_obj_attrs_handle_unknown
87779176 4321#define elf_backend_obj_attrs_order elf32_tic6x_obj_attrs_order
75fa6dc1 4322#define elf_backend_obj_attrs_section ".c6xabi.attributes"
59e6276b
JM		 4323#define elf_backend_obj_attrs_section_type SHT_C6000_ATTRIBUTES
4324#define elf_backend_obj_attrs_vendor "c6xabi"
ac145307
BS		 4325#define elf_backend_can_refcount 1
4326#define elf_backend_want_got_plt 1
4327#define elf_backend_want_dynbss 1
5474d94f 4328#define elf_backend_want_dynrelro 1
ac145307 4329#define elf_backend_plt_readonly 1
40b36596 4330#define elf_backend_rela_normal 1
ac145307 4331#define elf_backend_got_header_size 8
1bce6bd8 4332#define elf_backend_fake_sections elf32_tic6x_fake_sections
9cf0e282 4333#define elf_backend_gc_mark_extra_sections elf32_tic6x_gc_mark_extra_sections
ac145307
BS		 4334#define elf_backend_create_dynamic_sections \
4335 elf32_tic6x_create_dynamic_sections
4336#define elf_backend_adjust_dynamic_symbol \
4337 elf32_tic6x_adjust_dynamic_symbol
07d6d2b8 4338#define elf_backend_check_relocs elf32_tic6x_check_relocs
ac145307
BS		 4339#define elf_backend_add_symbol_hook elf32_tic6x_add_symbol_hook
4340#define elf_backend_symbol_processing elf32_tic6x_symbol_processing
4341#define elf_backend_link_output_symbol_hook \
4342 elf32_tic6x_link_output_symbol_hook
4343#define elf_backend_section_from_bfd_section \
4344 elf32_tic6x_section_from_bfd_section
40b36596 4345#define elf_backend_relocate_section elf32_tic6x_relocate_section
2a616379 4346#define elf_backend_relocs_compatible _bfd_elf_relocs_compatible
ac145307
BS		 4347#define elf_backend_finish_dynamic_symbol \
4348 elf32_tic6x_finish_dynamic_symbol
4349#define elf_backend_always_size_sections \
4350 elf32_tic6x_always_size_sections
4351#define elf_backend_size_dynamic_sections \
4352 elf32_tic6x_size_dynamic_sections
4353#define elf_backend_finish_dynamic_sections \
4354 elf32_tic6x_finish_dynamic_sections
c6a8f6e0
BS		 4355#define bfd_elf32_bfd_final_link \
4356 elf32_tic6x_final_link
fbd9ad90 4357#define elf_backend_write_section elf32_tic6x_write_section
40b36596 4358#define elf_info_to_howto elf32_tic6x_info_to_howto
41820509 4359#define elf_info_to_howto_rel elf32_tic6x_info_to_howto_rel
40b36596 4360
ac145307
BS		 4361#undef elf_backend_omit_section_dynsym
4362#define elf_backend_omit_section_dynsym elf32_tic6x_link_omit_section_dynsym
4363#define elf_backend_plt_sym_val elf32_tic6x_plt_sym_val
4364
2a616379
BS		 4365#include "elf32-target.h"
4366
4367#undef elf32_bed
4368#define elf32_bed elf32_tic6x_linux_bed
4369
4370#undef TARGET_LITTLE_SYM
6d00b590 4371#define TARGET_LITTLE_SYM tic6x_elf32_linux_le_vec
2a616379
BS		 4372#undef TARGET_LITTLE_NAME
4373#define TARGET_LITTLE_NAME "elf32-tic6x-linux-le"
4374#undef TARGET_BIG_SYM
6d00b590 4375#define TARGET_BIG_SYM tic6x_elf32_linux_be_vec
2a616379
BS		 4376#undef TARGET_BIG_NAME
4377#define TARGET_BIG_NAME "elf32-tic6x-linux-be"
4378#undef ELF_OSABI
4379#define ELF_OSABI ELFOSABI_C6000_LINUX
4380
2a616379
BS		 4381#include "elf32-target.h"
4382
4383#undef elf32_bed
4384#define elf32_bed elf32_tic6x_elf_bed
4385
4386#undef TARGET_LITTLE_SYM
6d00b590 4387#define TARGET_LITTLE_SYM tic6x_elf32_c6000_le_vec
2a616379
BS		 4388#undef TARGET_LITTLE_NAME
4389#define TARGET_LITTLE_NAME "elf32-tic6x-elf-le"
4390#undef TARGET_BIG_SYM
6d00b590 4391#define TARGET_BIG_SYM tic6x_elf32_c6000_be_vec
2a616379
BS		 4392#undef TARGET_BIG_NAME
4393#define TARGET_BIG_NAME "elf32-tic6x-elf-be"
4394#undef ELF_OSABI
4395#define ELF_OSABI ELFOSABI_C6000_ELFABI
4396
40b36596 4397#include "elf32-target.h"
GDB Binutils - Deliverables
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