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ELF: Call check_relocs after opening all inputs
[deliverable/binutils-gdb.git] / bfd / elf32-tic6x.c
1 /* 32-bit ELF support for TI C6X
2 Copyright (C) 2010-2017 Free Software Foundation, Inc.
3 Contributed by Joseph Myers <joseph@codesourcery.com>
4 Bernd Schmidt <bernds@codesourcery.com>
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"
24 #include <limits.h>
25 #include "bfd.h"
26 #include "libbfd.h"
27 #include "libiberty.h"
28 #include "elf-bfd.h"
29 #include "elf/tic6x.h"
30 #include "elf32-tic6x.h"
31
32 #define ELF_DYNAMIC_INTERPRETER "/lib/ld-uClibc.so.0"
33
34 /* DSBT binaries have a default 128K stack. */
35 #define DEFAULT_STACK_SIZE 0x20000
36
37 /* The size in bytes of an entry in the procedure linkage table. */
38 #define PLT_ENTRY_SIZE 24
39
40 /* TI C6X ELF linker hash table. */
41
42 struct elf32_tic6x_link_hash_table
43 {
44 struct elf_link_hash_table elf;
45
46 /* 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
64 /* TI C6X ELF linker hash entry. */
65
66 struct elf32_tic6x_link_hash_entry
67 {
68 struct elf_link_hash_entry elf;
69
70 /* Track dynamic relocs copied for this symbol. */
71 struct elf_dyn_relocs *dyn_relocs;
72 };
73
74 typedef enum
75 {
76 DELETE_EXIDX_ENTRY,
77 INSERT_EXIDX_CANTUNWIND_AT_END
78 }
79 tic6x_unwind_edit_type;
80
81 /* A (sorted) list of edits to apply to an unwind table. */
82 typedef struct tic6x_unwind_table_edit
83 {
84 tic6x_unwind_edit_type type;
85 /* Note: we sometimes want to insert an unwind entry corresponding to a
86 section different from the one we're currently writing out, so record the
87 (text) section this edit relates to here. */
88 asection *linked_section;
89 unsigned int index;
90 struct tic6x_unwind_table_edit *next;
91 }
92 tic6x_unwind_table_edit;
93
94 typedef struct _tic6x_elf_section_data
95 {
96 /* Information about mapping symbols. */
97 struct bfd_elf_section_data elf;
98 /* Information about unwind tables. */
99 union
100 {
101 /* Unwind info attached to a text section. */
102 struct
103 {
104 asection *tic6x_exidx_sec;
105 } text;
106
107 /* Unwind info attached to an .c6xabi.exidx section. */
108 struct
109 {
110 tic6x_unwind_table_edit *unwind_edit_list;
111 tic6x_unwind_table_edit *unwind_edit_tail;
112 } exidx;
113 } u;
114 }
115 _tic6x_elf_section_data;
116
117 #define elf32_tic6x_section_data(sec) \
118 ((_tic6x_elf_section_data *) elf_section_data (sec))
119
120 struct elf32_tic6x_obj_tdata
121 {
122 struct elf_obj_tdata root;
123
124 /* Whether to use RELA relocations when generating relocations.
125 This is a per-object flag to allow the assembler to generate REL
126 relocations for use in linker testcases. */
127 bfd_boolean use_rela_p;
128 };
129
130 #define elf32_tic6x_tdata(abfd) \
131 ((struct elf32_tic6x_obj_tdata *) (abfd)->tdata.any)
132
133 #define is_tic6x_elf(bfd) \
134 (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
135 && elf_tdata (bfd) != NULL \
136 && elf_object_id (bfd) == TIC6X_ELF_DATA)
137
138 /* C6X ELF uses two common sections. One is the usual one, and the
139 other is for small objects. All the small objects are kept
140 together, and then referenced via the gp pointer, which yields
141 faster assembler code. This is what we use for the small common
142 section. This approach is copied from ecoff.c. */
143 static asection tic6x_elf_scom_section;
144 static asymbol tic6x_elf_scom_symbol;
145 static asymbol *tic6x_elf_scom_symbol_ptr;
146
147 static reloc_howto_type elf32_tic6x_howto_table[] =
148 {
149 HOWTO (R_C6000_NONE, /* type */
150 0, /* rightshift */
151 3, /* size (0 = byte, 1 = short, 2 = long) */
152 0, /* bitsize */
153 FALSE, /* pc_relative */
154 0, /* bitpos */
155 complain_overflow_dont,/* complain_on_overflow */
156 bfd_elf_generic_reloc, /* special_function */
157 "R_C6000_NONE", /* name */
158 FALSE, /* partial_inplace */
159 0, /* src_mask */
160 0, /* dst_mask */
161 FALSE), /* pcrel_offset */
162 HOWTO (R_C6000_ABS32, /* type */
163 0, /* rightshift */
164 2, /* size (0 = byte, 1 = short, 2 = long) */
165 32, /* bitsize */
166 FALSE, /* pc_relative */
167 0, /* bitpos */
168 complain_overflow_dont,/* complain_on_overflow */
169 bfd_elf_generic_reloc, /* special_function */
170 "R_C6000_ABS32", /* name */
171 FALSE, /* partial_inplace */
172 0, /* src_mask */
173 0xffffffff, /* dst_mask */
174 FALSE), /* pcrel_offset */
175 HOWTO (R_C6000_ABS16, /* type */
176 0, /* rightshift */
177 1, /* size (0 = byte, 1 = short, 2 = long) */
178 16, /* bitsize */
179 FALSE, /* pc_relative */
180 0, /* bitpos */
181 complain_overflow_bitfield,/* complain_on_overflow */
182 bfd_elf_generic_reloc, /* special_function */
183 "R_C6000_ABS16", /* name */
184 FALSE, /* partial_inplace */
185 0, /* src_mask */
186 0x0000ffff, /* dst_mask */
187 FALSE), /* pcrel_offset */
188 HOWTO (R_C6000_ABS8, /* type */
189 0, /* rightshift */
190 0, /* size (0 = byte, 1 = short, 2 = long) */
191 8, /* bitsize */
192 FALSE, /* pc_relative */
193 0, /* bitpos */
194 complain_overflow_bitfield,/* complain_on_overflow */
195 bfd_elf_generic_reloc, /* special_function */
196 "R_C6000_ABS8", /* name */
197 FALSE, /* partial_inplace */
198 0, /* src_mask */
199 0x000000ff, /* dst_mask */
200 FALSE), /* pcrel_offset */
201 HOWTO (R_C6000_PCR_S21, /* type */
202 2, /* rightshift */
203 2, /* size (0 = byte, 1 = short, 2 = long) */
204 21, /* bitsize */
205 TRUE, /* pc_relative */
206 7, /* bitpos */
207 complain_overflow_signed,/* complain_on_overflow */
208 bfd_elf_generic_reloc, /* special_function */
209 "R_C6000_PCR_S21", /* name */
210 FALSE, /* partial_inplace */
211 0, /* src_mask */
212 0x0fffff80, /* dst_mask */
213 TRUE), /* pcrel_offset */
214 HOWTO (R_C6000_PCR_S12, /* type */
215 2, /* rightshift */
216 2, /* size (0 = byte, 1 = short, 2 = long) */
217 12, /* bitsize */
218 TRUE, /* pc_relative */
219 16, /* bitpos */
220 complain_overflow_signed,/* complain_on_overflow */
221 bfd_elf_generic_reloc, /* special_function */
222 "R_C6000_PCR_S12", /* name */
223 FALSE, /* partial_inplace */
224 0, /* src_mask */
225 0x0fff0000, /* dst_mask */
226 TRUE), /* pcrel_offset */
227 HOWTO (R_C6000_PCR_S10, /* type */
228 2, /* rightshift */
229 2, /* size (0 = byte, 1 = short, 2 = long) */
230 10, /* bitsize */
231 TRUE, /* pc_relative */
232 13, /* bitpos */
233 complain_overflow_signed,/* complain_on_overflow */
234 bfd_elf_generic_reloc, /* special_function */
235 "R_C6000_PCR_S10", /* name */
236 FALSE, /* partial_inplace */
237 0, /* src_mask */
238 0x007fe000, /* dst_mask */
239 TRUE), /* pcrel_offset */
240 HOWTO (R_C6000_PCR_S7, /* type */
241 2, /* rightshift */
242 2, /* size (0 = byte, 1 = short, 2 = long) */
243 7, /* bitsize */
244 TRUE, /* pc_relative */
245 16, /* bitpos */
246 complain_overflow_signed,/* complain_on_overflow */
247 bfd_elf_generic_reloc, /* special_function */
248 "R_C6000_PCR_S7", /* name */
249 FALSE, /* partial_inplace */
250 0, /* src_mask */
251 0x007f0000, /* dst_mask */
252 TRUE), /* pcrel_offset */
253 HOWTO (R_C6000_ABS_S16, /* type */
254 0, /* rightshift */
255 2, /* size (0 = byte, 1 = short, 2 = long) */
256 16, /* bitsize */
257 FALSE, /* pc_relative */
258 7, /* bitpos */
259 complain_overflow_signed,/* complain_on_overflow */
260 bfd_elf_generic_reloc, /* special_function */
261 "R_C6000_ABS_S16", /* name */
262 FALSE, /* partial_inplace */
263 0, /* src_mask */
264 0x007fff80, /* dst_mask */
265 FALSE), /* pcrel_offset */
266 HOWTO (R_C6000_ABS_L16, /* type */
267 0, /* rightshift */
268 2, /* size (0 = byte, 1 = short, 2 = long) */
269 16, /* bitsize */
270 FALSE, /* pc_relative */
271 7, /* bitpos */
272 complain_overflow_dont,/* complain_on_overflow */
273 bfd_elf_generic_reloc, /* special_function */
274 "R_C6000_ABS_L16", /* name */
275 FALSE, /* partial_inplace */
276 0, /* src_mask */
277 0x007fff80, /* dst_mask */
278 FALSE), /* pcrel_offset */
279 HOWTO (R_C6000_ABS_H16, /* type */
280 16, /* rightshift */
281 2, /* size (0 = byte, 1 = short, 2 = long) */
282 16, /* bitsize */
283 FALSE, /* pc_relative */
284 7, /* bitpos */
285 complain_overflow_dont,/* complain_on_overflow */
286 bfd_elf_generic_reloc, /* special_function */
287 "R_C6000_ABS_H16", /* name */
288 FALSE, /* partial_inplace */
289 0, /* src_mask */
290 0x007fff80, /* dst_mask */
291 FALSE), /* pcrel_offset */
292 HOWTO (R_C6000_SBR_U15_B, /* type */
293 0, /* rightshift */
294 2, /* size (0 = byte, 1 = short, 2 = long) */
295 15, /* bitsize */
296 FALSE, /* pc_relative */
297 8, /* bitpos */
298 complain_overflow_unsigned,/* complain_on_overflow */
299 bfd_elf_generic_reloc, /* special_function */
300 "R_C6000_SBR_U15_B", /* name */
301 FALSE, /* partial_inplace */
302 0, /* src_mask */
303 0x007fff00, /* dst_mask */
304 FALSE), /* pcrel_offset */
305 HOWTO (R_C6000_SBR_U15_H, /* type */
306 1, /* rightshift */
307 2, /* size (0 = byte, 1 = short, 2 = long) */
308 15, /* bitsize */
309 FALSE, /* pc_relative */
310 8, /* bitpos */
311 complain_overflow_unsigned,/* complain_on_overflow */
312 bfd_elf_generic_reloc, /* special_function */
313 "R_C6000_SBR_U15_H", /* name */
314 FALSE, /* partial_inplace */
315 0, /* src_mask */
316 0x007fff00, /* dst_mask */
317 FALSE), /* pcrel_offset */
318 HOWTO (R_C6000_SBR_U15_W, /* type */
319 2, /* rightshift */
320 2, /* size (0 = byte, 1 = short, 2 = long) */
321 15, /* bitsize */
322 FALSE, /* pc_relative */
323 8, /* bitpos */
324 complain_overflow_unsigned,/* complain_on_overflow */
325 bfd_elf_generic_reloc, /* special_function */
326 "R_C6000_SBR_U15_W", /* name */
327 FALSE, /* partial_inplace */
328 0, /* src_mask */
329 0x007fff00, /* dst_mask */
330 FALSE), /* pcrel_offset */
331 HOWTO (R_C6000_SBR_S16, /* type */
332 0, /* rightshift */
333 2, /* size (0 = byte, 1 = short, 2 = long) */
334 16, /* bitsize */
335 FALSE, /* pc_relative */
336 7, /* bitpos */
337 complain_overflow_signed,/* complain_on_overflow */
338 bfd_elf_generic_reloc, /* special_function */
339 "R_C6000_SBR_S16", /* name */
340 FALSE, /* partial_inplace */
341 0, /* src_mask */
342 0x007fff80, /* dst_mask */
343 FALSE), /* pcrel_offset */
344 HOWTO (R_C6000_SBR_L16_B, /* type */
345 0, /* rightshift */
346 2, /* size (0 = byte, 1 = short, 2 = long) */
347 16, /* bitsize */
348 FALSE, /* pc_relative */
349 7, /* bitpos */
350 complain_overflow_dont,/* complain_on_overflow */
351 bfd_elf_generic_reloc, /* special_function */
352 "R_C6000_SBR_L16_B", /* name */
353 FALSE, /* partial_inplace */
354 0, /* src_mask */
355 0x007fff80, /* dst_mask */
356 FALSE), /* pcrel_offset */
357 HOWTO (R_C6000_SBR_L16_H, /* type */
358 1, /* rightshift */
359 2, /* size (0 = byte, 1 = short, 2 = long) */
360 16, /* bitsize */
361 FALSE, /* pc_relative */
362 7, /* bitpos */
363 complain_overflow_dont,/* complain_on_overflow */
364 bfd_elf_generic_reloc, /* special_function */
365 "R_C6000_SBR_L16_H", /* name */
366 FALSE, /* partial_inplace */
367 0, /* src_mask */
368 0x007fff80, /* dst_mask */
369 FALSE), /* pcrel_offset */
370 HOWTO (R_C6000_SBR_L16_W, /* type */
371 2, /* rightshift */
372 2, /* size (0 = byte, 1 = short, 2 = long) */
373 16, /* bitsize */
374 FALSE, /* pc_relative */
375 7, /* bitpos */
376 complain_overflow_dont,/* complain_on_overflow */
377 bfd_elf_generic_reloc, /* special_function */
378 "R_C6000_SBR_L16_W", /* name */
379 FALSE, /* partial_inplace */
380 0, /* src_mask */
381 0x007fff80, /* dst_mask */
382 FALSE), /* pcrel_offset */
383 HOWTO (R_C6000_SBR_H16_B, /* type */
384 16, /* rightshift */
385 2, /* size (0 = byte, 1 = short, 2 = long) */
386 16, /* bitsize */
387 FALSE, /* pc_relative */
388 7, /* bitpos */
389 complain_overflow_dont,/* complain_on_overflow */
390 bfd_elf_generic_reloc, /* special_function */
391 "R_C6000_SBR_H16_B", /* name */
392 FALSE, /* partial_inplace */
393 0, /* src_mask */
394 0x007fff80, /* dst_mask */
395 FALSE), /* pcrel_offset */
396 HOWTO (R_C6000_SBR_H16_H, /* type */
397 17, /* rightshift */
398 2, /* size (0 = byte, 1 = short, 2 = long) */
399 16, /* bitsize */
400 FALSE, /* pc_relative */
401 7, /* bitpos */
402 complain_overflow_dont,/* complain_on_overflow */
403 bfd_elf_generic_reloc, /* special_function */
404 "R_C6000_SBR_H16_H", /* name */
405 FALSE, /* partial_inplace */
406 0, /* src_mask */
407 0x007fff80, /* dst_mask */
408 FALSE), /* pcrel_offset */
409 HOWTO (R_C6000_SBR_H16_W, /* type */
410 18, /* rightshift */
411 2, /* size (0 = byte, 1 = short, 2 = long) */
412 16, /* bitsize */
413 FALSE, /* pc_relative */
414 7, /* bitpos */
415 complain_overflow_dont,/* complain_on_overflow */
416 bfd_elf_generic_reloc, /* special_function */
417 "R_C6000_SBR_H16_W", /* name */
418 FALSE, /* partial_inplace */
419 0, /* src_mask */
420 0x007fff80, /* dst_mask */
421 FALSE), /* pcrel_offset */
422 HOWTO (R_C6000_SBR_GOT_U15_W, /* type */
423 2, /* rightshift */
424 2, /* size (0 = byte, 1 = short, 2 = long) */
425 15, /* bitsize */
426 FALSE, /* pc_relative */
427 8, /* bitpos */
428 complain_overflow_unsigned,/* complain_on_overflow */
429 bfd_elf_generic_reloc, /* special_function */
430 "R_C6000_SBR_GOT_U15_W",/* name */
431 FALSE, /* partial_inplace */
432 0, /* src_mask */
433 0x007fff00, /* dst_mask */
434 FALSE), /* pcrel_offset */
435 HOWTO (R_C6000_SBR_GOT_L16_W, /* type */
436 2, /* rightshift */
437 2, /* size (0 = byte, 1 = short, 2 = long) */
438 16, /* bitsize */
439 FALSE, /* pc_relative */
440 7, /* bitpos */
441 complain_overflow_dont,/* complain_on_overflow */
442 bfd_elf_generic_reloc, /* special_function */
443 "R_C6000_SBR_GOT_L16_W",/* name */
444 FALSE, /* partial_inplace */
445 0, /* src_mask */
446 0x007fff80, /* dst_mask */
447 FALSE), /* pcrel_offset */
448 HOWTO (R_C6000_SBR_GOT_H16_W, /* type */
449 18, /* rightshift */
450 2, /* size (0 = byte, 1 = short, 2 = long) */
451 16, /* bitsize */
452 FALSE, /* pc_relative */
453 7, /* bitpos */
454 complain_overflow_dont,/* complain_on_overflow */
455 bfd_elf_generic_reloc, /* special_function */
456 "R_C6000_SBR_GOT_H16_W",/* name */
457 FALSE, /* partial_inplace */
458 0, /* src_mask */
459 0x007fff80, /* dst_mask */
460 FALSE), /* pcrel_offset */
461 HOWTO (R_C6000_DSBT_INDEX, /* type */
462 0, /* rightshift */
463 2, /* size (0 = byte, 1 = short, 2 = long) */
464 15, /* bitsize */
465 FALSE, /* pc_relative */
466 8, /* bitpos */
467 complain_overflow_unsigned,/* complain_on_overflow */
468 bfd_elf_generic_reloc, /* special_function */
469 "R_C6000_DSBT_INDEX", /* name */
470 FALSE, /* partial_inplace */
471 0, /* src_mask */
472 0x007fff00, /* dst_mask */
473 FALSE), /* pcrel_offset */
474 HOWTO (R_C6000_PREL31, /* type */
475 1, /* rightshift */
476 2, /* size (0 = byte, 1 = short, 2 = long) */
477 31, /* bitsize */
478 TRUE, /* pc_relative */
479 0, /* bitpos */
480 complain_overflow_dont,/* complain_on_overflow */
481 bfd_elf_generic_reloc, /* special_function */
482 "R_C6000_PREL31", /* name */
483 FALSE, /* partial_inplace */
484 0, /* src_mask */
485 0x7fffffff, /* dst_mask */
486 TRUE), /* pcrel_offset */
487 HOWTO (R_C6000_COPY, /* type */
488 0, /* rightshift */
489 2, /* size (0 = byte, 1 = short, 2 = long) */
490 32, /* bitsize */
491 FALSE, /* pc_relative */
492 0, /* bitpos */
493 complain_overflow_dont,/* complain_on_overflow */
494 bfd_elf_generic_reloc, /* special_function */
495 "R_C6000_COPY", /* name */
496 FALSE, /* partial_inplace */
497 0, /* src_mask */
498 0xffffffff, /* dst_mask */
499 FALSE), /* pcrel_offset */
500 HOWTO (R_C6000_JUMP_SLOT, /* type */
501 0, /* rightshift */
502 2, /* size (0 = byte, 1 = short, 2 = long) */
503 32, /* bitsize */
504 FALSE, /* pc_relative */
505 0, /* bitpos */
506 complain_overflow_dont,/* complain_on_overflow */
507 bfd_elf_generic_reloc, /* special_function */
508 "R_C6000_JUMP_SLOT", /* name */
509 FALSE, /* partial_inplace */
510 0, /* src_mask */
511 0xffffffff, /* dst_mask */
512 FALSE), /* pcrel_offset */
513 HOWTO (R_C6000_EHTYPE, /* type */
514 0, /* rightshift */
515 2, /* size (0 = byte, 1 = short, 2 = long) */
516 32, /* bitsize */
517 FALSE, /* pc_relative */
518 0, /* bitpos */
519 complain_overflow_dont,/* complain_on_overflow */
520 bfd_elf_generic_reloc, /* special_function */
521 "R_C6000_EHTYPE", /* name */
522 FALSE, /* partial_inplace */
523 0, /* src_mask */
524 0xffffffff, /* dst_mask */
525 FALSE), /* pcrel_offset */
526 HOWTO (R_C6000_PCR_H16, /* type */
527 16, /* rightshift */
528 2, /* size (0 = byte, 1 = short, 2 = long) */
529 16, /* bitsize */
530 TRUE, /* pc_relative */
531 7, /* bitpos */
532 complain_overflow_dont,/* complain_on_overflow */
533 bfd_elf_generic_reloc, /* special_function */
534 "R_C6000_PCR_H16", /* name */
535 FALSE, /* partial_inplace */
536 0, /* src_mask */
537 0x007fff80, /* dst_mask */
538 TRUE), /* pcrel_offset */
539 HOWTO (R_C6000_PCR_L16, /* type */
540 0, /* rightshift */
541 2, /* size (0 = byte, 1 = short, 2 = long) */
542 16, /* bitsize */
543 TRUE, /* pc_relative */
544 7, /* bitpos */
545 complain_overflow_dont,/* complain_on_overflow */
546 bfd_elf_generic_reloc, /* special_function */
547 "R_C6000_PCR_L16", /* name */
548 FALSE, /* partial_inplace */
549 0, /* src_mask */
550 0x007fff80, /* dst_mask */
551 TRUE), /* pcrel_offset */
552 EMPTY_HOWTO (31),
553 EMPTY_HOWTO (32),
554 EMPTY_HOWTO (33),
555 EMPTY_HOWTO (34),
556 EMPTY_HOWTO (35),
557 EMPTY_HOWTO (36),
558 EMPTY_HOWTO (37),
559 EMPTY_HOWTO (38),
560 EMPTY_HOWTO (39),
561 EMPTY_HOWTO (40),
562 EMPTY_HOWTO (41),
563 EMPTY_HOWTO (42),
564 EMPTY_HOWTO (43),
565 EMPTY_HOWTO (44),
566 EMPTY_HOWTO (45),
567 EMPTY_HOWTO (46),
568 EMPTY_HOWTO (47),
569 EMPTY_HOWTO (48),
570 EMPTY_HOWTO (49),
571 EMPTY_HOWTO (50),
572 EMPTY_HOWTO (51),
573 EMPTY_HOWTO (52),
574 EMPTY_HOWTO (53),
575 EMPTY_HOWTO (54),
576 EMPTY_HOWTO (55),
577 EMPTY_HOWTO (56),
578 EMPTY_HOWTO (57),
579 EMPTY_HOWTO (58),
580 EMPTY_HOWTO (59),
581 EMPTY_HOWTO (60),
582 EMPTY_HOWTO (61),
583 EMPTY_HOWTO (62),
584 EMPTY_HOWTO (63),
585 EMPTY_HOWTO (64),
586 EMPTY_HOWTO (65),
587 EMPTY_HOWTO (66),
588 EMPTY_HOWTO (67),
589 EMPTY_HOWTO (68),
590 EMPTY_HOWTO (69),
591 EMPTY_HOWTO (70),
592 EMPTY_HOWTO (71),
593 EMPTY_HOWTO (72),
594 EMPTY_HOWTO (73),
595 EMPTY_HOWTO (74),
596 EMPTY_HOWTO (75),
597 EMPTY_HOWTO (76),
598 EMPTY_HOWTO (77),
599 EMPTY_HOWTO (78),
600 EMPTY_HOWTO (79),
601 EMPTY_HOWTO (80),
602 EMPTY_HOWTO (81),
603 EMPTY_HOWTO (82),
604 EMPTY_HOWTO (83),
605 EMPTY_HOWTO (84),
606 EMPTY_HOWTO (85),
607 EMPTY_HOWTO (86),
608 EMPTY_HOWTO (87),
609 EMPTY_HOWTO (88),
610 EMPTY_HOWTO (89),
611 EMPTY_HOWTO (90),
612 EMPTY_HOWTO (91),
613 EMPTY_HOWTO (92),
614 EMPTY_HOWTO (93),
615 EMPTY_HOWTO (94),
616 EMPTY_HOWTO (95),
617 EMPTY_HOWTO (96),
618 EMPTY_HOWTO (97),
619 EMPTY_HOWTO (98),
620 EMPTY_HOWTO (99),
621 EMPTY_HOWTO (100),
622 EMPTY_HOWTO (101),
623 EMPTY_HOWTO (102),
624 EMPTY_HOWTO (103),
625 EMPTY_HOWTO (104),
626 EMPTY_HOWTO (105),
627 EMPTY_HOWTO (106),
628 EMPTY_HOWTO (107),
629 EMPTY_HOWTO (108),
630 EMPTY_HOWTO (109),
631 EMPTY_HOWTO (110),
632 EMPTY_HOWTO (111),
633 EMPTY_HOWTO (112),
634 EMPTY_HOWTO (113),
635 EMPTY_HOWTO (114),
636 EMPTY_HOWTO (115),
637 EMPTY_HOWTO (116),
638 EMPTY_HOWTO (117),
639 EMPTY_HOWTO (118),
640 EMPTY_HOWTO (119),
641 EMPTY_HOWTO (120),
642 EMPTY_HOWTO (121),
643 EMPTY_HOWTO (122),
644 EMPTY_HOWTO (123),
645 EMPTY_HOWTO (124),
646 EMPTY_HOWTO (125),
647 EMPTY_HOWTO (126),
648 EMPTY_HOWTO (127),
649 EMPTY_HOWTO (128),
650 EMPTY_HOWTO (129),
651 EMPTY_HOWTO (130),
652 EMPTY_HOWTO (131),
653 EMPTY_HOWTO (132),
654 EMPTY_HOWTO (133),
655 EMPTY_HOWTO (134),
656 EMPTY_HOWTO (135),
657 EMPTY_HOWTO (136),
658 EMPTY_HOWTO (137),
659 EMPTY_HOWTO (138),
660 EMPTY_HOWTO (139),
661 EMPTY_HOWTO (140),
662 EMPTY_HOWTO (141),
663 EMPTY_HOWTO (142),
664 EMPTY_HOWTO (143),
665 EMPTY_HOWTO (144),
666 EMPTY_HOWTO (145),
667 EMPTY_HOWTO (146),
668 EMPTY_HOWTO (147),
669 EMPTY_HOWTO (148),
670 EMPTY_HOWTO (149),
671 EMPTY_HOWTO (150),
672 EMPTY_HOWTO (151),
673 EMPTY_HOWTO (152),
674 EMPTY_HOWTO (153),
675 EMPTY_HOWTO (154),
676 EMPTY_HOWTO (155),
677 EMPTY_HOWTO (156),
678 EMPTY_HOWTO (157),
679 EMPTY_HOWTO (158),
680 EMPTY_HOWTO (159),
681 EMPTY_HOWTO (160),
682 EMPTY_HOWTO (161),
683 EMPTY_HOWTO (162),
684 EMPTY_HOWTO (163),
685 EMPTY_HOWTO (164),
686 EMPTY_HOWTO (165),
687 EMPTY_HOWTO (166),
688 EMPTY_HOWTO (167),
689 EMPTY_HOWTO (168),
690 EMPTY_HOWTO (169),
691 EMPTY_HOWTO (170),
692 EMPTY_HOWTO (171),
693 EMPTY_HOWTO (172),
694 EMPTY_HOWTO (173),
695 EMPTY_HOWTO (174),
696 EMPTY_HOWTO (175),
697 EMPTY_HOWTO (176),
698 EMPTY_HOWTO (177),
699 EMPTY_HOWTO (178),
700 EMPTY_HOWTO (179),
701 EMPTY_HOWTO (180),
702 EMPTY_HOWTO (181),
703 EMPTY_HOWTO (182),
704 EMPTY_HOWTO (183),
705 EMPTY_HOWTO (184),
706 EMPTY_HOWTO (185),
707 EMPTY_HOWTO (186),
708 EMPTY_HOWTO (187),
709 EMPTY_HOWTO (188),
710 EMPTY_HOWTO (189),
711 EMPTY_HOWTO (190),
712 EMPTY_HOWTO (191),
713 EMPTY_HOWTO (192),
714 EMPTY_HOWTO (193),
715 EMPTY_HOWTO (194),
716 EMPTY_HOWTO (195),
717 EMPTY_HOWTO (196),
718 EMPTY_HOWTO (197),
719 EMPTY_HOWTO (198),
720 EMPTY_HOWTO (199),
721 EMPTY_HOWTO (200),
722 EMPTY_HOWTO (201),
723 EMPTY_HOWTO (202),
724 EMPTY_HOWTO (203),
725 EMPTY_HOWTO (204),
726 EMPTY_HOWTO (205),
727 EMPTY_HOWTO (206),
728 EMPTY_HOWTO (207),
729 EMPTY_HOWTO (208),
730 EMPTY_HOWTO (209),
731 EMPTY_HOWTO (210),
732 EMPTY_HOWTO (211),
733 EMPTY_HOWTO (212),
734 EMPTY_HOWTO (213),
735 EMPTY_HOWTO (214),
736 EMPTY_HOWTO (215),
737 EMPTY_HOWTO (216),
738 EMPTY_HOWTO (217),
739 EMPTY_HOWTO (218),
740 EMPTY_HOWTO (219),
741 EMPTY_HOWTO (220),
742 EMPTY_HOWTO (221),
743 EMPTY_HOWTO (222),
744 EMPTY_HOWTO (223),
745 EMPTY_HOWTO (224),
746 EMPTY_HOWTO (225),
747 EMPTY_HOWTO (226),
748 EMPTY_HOWTO (227),
749 EMPTY_HOWTO (228),
750 EMPTY_HOWTO (229),
751 EMPTY_HOWTO (230),
752 EMPTY_HOWTO (231),
753 EMPTY_HOWTO (232),
754 EMPTY_HOWTO (233),
755 EMPTY_HOWTO (234),
756 EMPTY_HOWTO (235),
757 EMPTY_HOWTO (236),
758 EMPTY_HOWTO (237),
759 EMPTY_HOWTO (238),
760 EMPTY_HOWTO (239),
761 EMPTY_HOWTO (240),
762 EMPTY_HOWTO (241),
763 EMPTY_HOWTO (242),
764 EMPTY_HOWTO (243),
765 EMPTY_HOWTO (244),
766 EMPTY_HOWTO (245),
767 EMPTY_HOWTO (246),
768 EMPTY_HOWTO (247),
769 EMPTY_HOWTO (248),
770 EMPTY_HOWTO (249),
771 EMPTY_HOWTO (250),
772 EMPTY_HOWTO (251),
773 EMPTY_HOWTO (252),
774 HOWTO (R_C6000_ALIGN, /* type */
775 0, /* rightshift */
776 0, /* size (0 = byte, 1 = short, 2 = long) */
777 0, /* bitsize */
778 FALSE, /* pc_relative */
779 0, /* bitpos */
780 complain_overflow_dont,/* complain_on_overflow */
781 bfd_elf_generic_reloc, /* special_function */
782 "R_C6000_ALIGN", /* name */
783 FALSE, /* partial_inplace */
784 0, /* src_mask */
785 0, /* dst_mask */
786 FALSE), /* pcrel_offset */
787 HOWTO (R_C6000_FPHEAD, /* type */
788 0, /* rightshift */
789 0, /* size (0 = byte, 1 = short, 2 = long) */
790 0, /* bitsize */
791 FALSE, /* pc_relative */
792 0, /* bitpos */
793 complain_overflow_dont,/* complain_on_overflow */
794 bfd_elf_generic_reloc, /* special_function */
795 "R_C6000_FPHEAD", /* name */
796 FALSE, /* partial_inplace */
797 0, /* src_mask */
798 0, /* dst_mask */
799 FALSE), /* pcrel_offset */
800 HOWTO (R_C6000_NOCMP, /* type */
801 0, /* rightshift */
802 0, /* size (0 = byte, 1 = short, 2 = long) */
803 0, /* bitsize */
804 FALSE, /* pc_relative */
805 0, /* bitpos */
806 complain_overflow_dont,/* complain_on_overflow */
807 bfd_elf_generic_reloc, /* special_function */
808 "R_C6000_NOCMP", /* name */
809 FALSE, /* partial_inplace */
810 0, /* src_mask */
811 0, /* dst_mask */
812 FALSE) /* pcrel_offset */
813 };
814
815 static reloc_howto_type elf32_tic6x_howto_table_rel[] =
816 {
817 HOWTO (R_C6000_NONE, /* type */
818 0, /* rightshift */
819 3, /* size (0 = byte, 1 = short, 2 = long) */
820 0, /* bitsize */
821 FALSE, /* pc_relative */
822 0, /* bitpos */
823 complain_overflow_dont,/* complain_on_overflow */
824 bfd_elf_generic_reloc, /* special_function */
825 "R_C6000_NONE", /* name */
826 TRUE, /* partial_inplace */
827 0, /* src_mask */
828 0, /* dst_mask */
829 FALSE), /* pcrel_offset */
830 HOWTO (R_C6000_ABS32, /* type */
831 0, /* rightshift */
832 2, /* size (0 = byte, 1 = short, 2 = long) */
833 32, /* bitsize */
834 FALSE, /* pc_relative */
835 0, /* bitpos */
836 complain_overflow_dont,/* complain_on_overflow */
837 bfd_elf_generic_reloc, /* special_function */
838 "R_C6000_ABS32", /* name */
839 TRUE, /* partial_inplace */
840 0xffffffff, /* src_mask */
841 0xffffffff, /* dst_mask */
842 FALSE), /* pcrel_offset */
843 HOWTO (R_C6000_ABS16, /* type */
844 0, /* rightshift */
845 1, /* size (0 = byte, 1 = short, 2 = long) */
846 16, /* bitsize */
847 FALSE, /* pc_relative */
848 0, /* bitpos */
849 complain_overflow_bitfield,/* complain_on_overflow */
850 bfd_elf_generic_reloc, /* special_function */
851 "R_C6000_ABS16", /* name */
852 TRUE, /* partial_inplace */
853 0x0000ffff, /* src_mask */
854 0x0000ffff, /* dst_mask */
855 FALSE), /* pcrel_offset */
856 HOWTO (R_C6000_ABS8, /* type */
857 0, /* rightshift */
858 0, /* size (0 = byte, 1 = short, 2 = long) */
859 8, /* bitsize */
860 FALSE, /* pc_relative */
861 0, /* bitpos */
862 complain_overflow_bitfield,/* complain_on_overflow */
863 bfd_elf_generic_reloc, /* special_function */
864 "R_C6000_ABS8", /* name */
865 TRUE, /* partial_inplace */
866 0x000000ff, /* src_mask */
867 0x000000ff, /* dst_mask */
868 FALSE), /* pcrel_offset */
869 HOWTO (R_C6000_PCR_S21, /* type */
870 2, /* rightshift */
871 2, /* size (0 = byte, 1 = short, 2 = long) */
872 21, /* bitsize */
873 TRUE, /* pc_relative */
874 7, /* bitpos */
875 complain_overflow_signed,/* complain_on_overflow */
876 bfd_elf_generic_reloc, /* special_function */
877 "R_C6000_PCR_S21", /* name */
878 TRUE, /* partial_inplace */
879 0x0fffff80, /* src_mask */
880 0x0fffff80, /* dst_mask */
881 TRUE), /* pcrel_offset */
882 HOWTO (R_C6000_PCR_S12, /* type */
883 2, /* rightshift */
884 2, /* size (0 = byte, 1 = short, 2 = long) */
885 12, /* bitsize */
886 TRUE, /* pc_relative */
887 16, /* bitpos */
888 complain_overflow_signed,/* complain_on_overflow */
889 bfd_elf_generic_reloc, /* special_function */
890 "R_C6000_PCR_S12", /* name */
891 TRUE, /* partial_inplace */
892 0x0fff0000, /* src_mask */
893 0x0fff0000, /* dst_mask */
894 TRUE), /* pcrel_offset */
895 HOWTO (R_C6000_PCR_S10, /* type */
896 2, /* rightshift */
897 2, /* size (0 = byte, 1 = short, 2 = long) */
898 10, /* bitsize */
899 TRUE, /* pc_relative */
900 13, /* bitpos */
901 complain_overflow_signed,/* complain_on_overflow */
902 bfd_elf_generic_reloc, /* special_function */
903 "R_C6000_PCR_S10", /* name */
904 TRUE, /* partial_inplace */
905 0x007fe000, /* src_mask */
906 0x007fe000, /* dst_mask */
907 TRUE), /* pcrel_offset */
908 HOWTO (R_C6000_PCR_S7, /* type */
909 2, /* rightshift */
910 2, /* size (0 = byte, 1 = short, 2 = long) */
911 7, /* bitsize */
912 TRUE, /* pc_relative */
913 16, /* bitpos */
914 complain_overflow_signed,/* complain_on_overflow */
915 bfd_elf_generic_reloc, /* special_function */
916 "R_C6000_PCR_S7", /* name */
917 TRUE, /* partial_inplace */
918 0x007f0000, /* src_mask */
919 0x007f0000, /* dst_mask */
920 TRUE), /* pcrel_offset */
921 HOWTO (R_C6000_ABS_S16, /* type */
922 0, /* rightshift */
923 2, /* size (0 = byte, 1 = short, 2 = long) */
924 16, /* bitsize */
925 FALSE, /* pc_relative */
926 7, /* bitpos */
927 complain_overflow_signed,/* complain_on_overflow */
928 bfd_elf_generic_reloc, /* special_function */
929 "R_C6000_ABS_S16", /* name */
930 TRUE, /* partial_inplace */
931 0x007fff80, /* src_mask */
932 0x007fff80, /* dst_mask */
933 FALSE), /* pcrel_offset */
934 HOWTO (R_C6000_ABS_L16, /* type */
935 0, /* rightshift */
936 2, /* size (0 = byte, 1 = short, 2 = long) */
937 16, /* bitsize */
938 FALSE, /* pc_relative */
939 7, /* bitpos */
940 complain_overflow_dont,/* complain_on_overflow */
941 bfd_elf_generic_reloc, /* special_function */
942 "R_C6000_ABS_L16", /* name */
943 TRUE, /* partial_inplace */
944 0x007fff80, /* src_mask */
945 0x007fff80, /* dst_mask */
946 FALSE), /* pcrel_offset */
947 EMPTY_HOWTO (R_C6000_ABS_H16),
948 HOWTO (R_C6000_SBR_U15_B, /* type */
949 0, /* rightshift */
950 2, /* size (0 = byte, 1 = short, 2 = long) */
951 15, /* bitsize */
952 FALSE, /* pc_relative */
953 8, /* bitpos */
954 complain_overflow_unsigned,/* complain_on_overflow */
955 bfd_elf_generic_reloc, /* special_function */
956 "R_C6000_SBR_U15_B", /* name */
957 TRUE, /* partial_inplace */
958 0x007fff00, /* src_mask */
959 0x007fff00, /* dst_mask */
960 FALSE), /* pcrel_offset */
961 HOWTO (R_C6000_SBR_U15_H, /* type */
962 1, /* rightshift */
963 2, /* size (0 = byte, 1 = short, 2 = long) */
964 15, /* bitsize */
965 FALSE, /* pc_relative */
966 8, /* bitpos */
967 complain_overflow_unsigned,/* complain_on_overflow */
968 bfd_elf_generic_reloc, /* special_function */
969 "R_C6000_SBR_U15_H", /* name */
970 TRUE, /* partial_inplace */
971 0x007fff00, /* src_mask */
972 0x007fff00, /* dst_mask */
973 FALSE), /* pcrel_offset */
974 HOWTO (R_C6000_SBR_U15_W, /* type */
975 2, /* rightshift */
976 2, /* size (0 = byte, 1 = short, 2 = long) */
977 15, /* bitsize */
978 FALSE, /* pc_relative */
979 8, /* bitpos */
980 complain_overflow_unsigned,/* complain_on_overflow */
981 bfd_elf_generic_reloc, /* special_function */
982 "R_C6000_SBR_U15_W", /* name */
983 TRUE, /* partial_inplace */
984 0x007fff00, /* src_mask */
985 0x007fff00, /* dst_mask */
986 FALSE), /* pcrel_offset */
987 HOWTO (R_C6000_SBR_S16, /* type */
988 0, /* rightshift */
989 2, /* size (0 = byte, 1 = short, 2 = long) */
990 16, /* bitsize */
991 FALSE, /* pc_relative */
992 7, /* bitpos */
993 complain_overflow_signed,/* complain_on_overflow */
994 bfd_elf_generic_reloc, /* special_function */
995 "R_C6000_SBR_S16", /* name */
996 TRUE, /* partial_inplace */
997 0x007fff80, /* src_mask */
998 0x007fff80, /* dst_mask */
999 FALSE), /* pcrel_offset */
1000 HOWTO (R_C6000_SBR_L16_B, /* type */
1001 0, /* rightshift */
1002 2, /* size (0 = byte, 1 = short, 2 = long) */
1003 16, /* bitsize */
1004 FALSE, /* pc_relative */
1005 7, /* bitpos */
1006 complain_overflow_dont,/* complain_on_overflow */
1007 bfd_elf_generic_reloc, /* special_function */
1008 "R_C6000_SBR_L16_B", /* name */
1009 TRUE, /* partial_inplace */
1010 0x007fff80, /* src_mask */
1011 0x007fff80, /* dst_mask */
1012 FALSE), /* pcrel_offset */
1013 HOWTO (R_C6000_SBR_L16_H, /* type */
1014 1, /* rightshift */
1015 2, /* size (0 = byte, 1 = short, 2 = long) */
1016 16, /* bitsize */
1017 FALSE, /* pc_relative */
1018 7, /* bitpos */
1019 complain_overflow_dont,/* complain_on_overflow */
1020 bfd_elf_generic_reloc, /* special_function */
1021 "R_C6000_SBR_L16_H", /* name */
1022 TRUE, /* partial_inplace */
1023 0x007fff80, /* src_mask */
1024 0x007fff80, /* dst_mask */
1025 FALSE), /* pcrel_offset */
1026 HOWTO (R_C6000_SBR_L16_W, /* type */
1027 2, /* rightshift */
1028 2, /* size (0 = byte, 1 = short, 2 = long) */
1029 16, /* bitsize */
1030 FALSE, /* pc_relative */
1031 7, /* bitpos */
1032 complain_overflow_dont,/* complain_on_overflow */
1033 bfd_elf_generic_reloc, /* special_function */
1034 "R_C6000_SBR_L16_W", /* name */
1035 TRUE, /* partial_inplace */
1036 0x007fff80, /* src_mask */
1037 0x007fff80, /* dst_mask */
1038 FALSE), /* pcrel_offset */
1039 EMPTY_HOWTO (R_C6000_SBR_H16_B),
1040 EMPTY_HOWTO (R_C6000_SBR_H16_H),
1041 EMPTY_HOWTO (R_C6000_SBR_H16_W),
1042 HOWTO (R_C6000_SBR_GOT_U15_W, /* type */
1043 2, /* rightshift */
1044 2, /* size (0 = byte, 1 = short, 2 = long) */
1045 15, /* bitsize */
1046 FALSE, /* pc_relative */
1047 8, /* bitpos */
1048 complain_overflow_unsigned,/* complain_on_overflow */
1049 bfd_elf_generic_reloc, /* special_function */
1050 "R_C6000_SBR_GOT_U15_W",/* name */
1051 TRUE, /* partial_inplace */
1052 0x007fff00, /* src_mask */
1053 0x007fff00, /* dst_mask */
1054 FALSE), /* pcrel_offset */
1055 HOWTO (R_C6000_SBR_GOT_L16_W, /* type */
1056 2, /* rightshift */
1057 2, /* size (0 = byte, 1 = short, 2 = long) */
1058 16, /* bitsize */
1059 FALSE, /* pc_relative */
1060 7, /* bitpos */
1061 complain_overflow_dont,/* complain_on_overflow */
1062 bfd_elf_generic_reloc, /* special_function */
1063 "R_C6000_SBR_GOT_L16_W",/* name */
1064 TRUE, /* partial_inplace */
1065 0x007fff80, /* src_mask */
1066 0x007fff80, /* dst_mask */
1067 FALSE), /* pcrel_offset */
1068 EMPTY_HOWTO (R_C6000_SBR_GOT_H16_W),
1069 HOWTO (R_C6000_DSBT_INDEX, /* type */
1070 0, /* rightshift */
1071 2, /* size (0 = byte, 1 = short, 2 = long) */
1072 15, /* bitsize */
1073 FALSE, /* pc_relative */
1074 8, /* bitpos */
1075 complain_overflow_unsigned,/* complain_on_overflow */
1076 bfd_elf_generic_reloc, /* special_function */
1077 "R_C6000_DSBT_INDEX", /* name */
1078 TRUE, /* partial_inplace */
1079 0, /* src_mask */
1080 0x007fff00, /* dst_mask */
1081 FALSE), /* pcrel_offset */
1082 HOWTO (R_C6000_PREL31, /* type */
1083 1, /* rightshift */
1084 2, /* size (0 = byte, 1 = short, 2 = long) */
1085 31, /* bitsize */
1086 TRUE, /* pc_relative */
1087 0, /* bitpos */
1088 complain_overflow_dont,/* complain_on_overflow */
1089 bfd_elf_generic_reloc, /* special_function */
1090 "R_C6000_PREL31", /* name */
1091 TRUE, /* partial_inplace */
1092 0, /* src_mask */
1093 0x7fffffff, /* dst_mask */
1094 TRUE), /* pcrel_offset */
1095 HOWTO (R_C6000_COPY, /* type */
1096 0, /* rightshift */
1097 2, /* size (0 = byte, 1 = short, 2 = long) */
1098 32, /* bitsize */
1099 FALSE, /* pc_relative */
1100 0, /* bitpos */
1101 complain_overflow_dont,/* complain_on_overflow */
1102 bfd_elf_generic_reloc, /* special_function */
1103 "R_C6000_COPY", /* name */
1104 TRUE, /* partial_inplace */
1105 0, /* src_mask */
1106 0xffffffff, /* dst_mask */
1107 FALSE), /* pcrel_offset */
1108 HOWTO (R_C6000_JUMP_SLOT, /* type */
1109 0, /* rightshift */
1110 2, /* size (0 = byte, 1 = short, 2 = long) */
1111 32, /* bitsize */
1112 FALSE, /* pc_relative */
1113 0, /* bitpos */
1114 complain_overflow_dont,/* complain_on_overflow */
1115 bfd_elf_generic_reloc, /* special_function */
1116 "R_C6000_JUMP_SLOT", /* name */
1117 FALSE, /* partial_inplace */
1118 0, /* src_mask */
1119 0xffffffff, /* dst_mask */
1120 FALSE), /* pcrel_offset */
1121 HOWTO (R_C6000_EHTYPE, /* type */
1122 0, /* rightshift */
1123 2, /* size (0 = byte, 1 = short, 2 = long) */
1124 32, /* bitsize */
1125 FALSE, /* pc_relative */
1126 0, /* bitpos */
1127 complain_overflow_dont,/* complain_on_overflow */
1128 bfd_elf_generic_reloc, /* special_function */
1129 "R_C6000_EHTYPE", /* name */
1130 FALSE, /* partial_inplace */
1131 0, /* src_mask */
1132 0xffffffff, /* dst_mask */
1133 FALSE), /* pcrel_offset */
1134 EMPTY_HOWTO (R_C6000_PCR_H16),
1135 EMPTY_HOWTO (R_C6000_PCR_L16),
1136 EMPTY_HOWTO (31),
1137 EMPTY_HOWTO (32),
1138 EMPTY_HOWTO (33),
1139 EMPTY_HOWTO (34),
1140 EMPTY_HOWTO (35),
1141 EMPTY_HOWTO (36),
1142 EMPTY_HOWTO (37),
1143 EMPTY_HOWTO (38),
1144 EMPTY_HOWTO (39),
1145 EMPTY_HOWTO (40),
1146 EMPTY_HOWTO (41),
1147 EMPTY_HOWTO (42),
1148 EMPTY_HOWTO (43),
1149 EMPTY_HOWTO (44),
1150 EMPTY_HOWTO (45),
1151 EMPTY_HOWTO (46),
1152 EMPTY_HOWTO (47),
1153 EMPTY_HOWTO (48),
1154 EMPTY_HOWTO (49),
1155 EMPTY_HOWTO (50),
1156 EMPTY_HOWTO (51),
1157 EMPTY_HOWTO (52),
1158 EMPTY_HOWTO (53),
1159 EMPTY_HOWTO (54),
1160 EMPTY_HOWTO (55),
1161 EMPTY_HOWTO (56),
1162 EMPTY_HOWTO (57),
1163 EMPTY_HOWTO (58),
1164 EMPTY_HOWTO (59),
1165 EMPTY_HOWTO (60),
1166 EMPTY_HOWTO (61),
1167 EMPTY_HOWTO (62),
1168 EMPTY_HOWTO (63),
1169 EMPTY_HOWTO (64),
1170 EMPTY_HOWTO (65),
1171 EMPTY_HOWTO (66),
1172 EMPTY_HOWTO (67),
1173 EMPTY_HOWTO (68),
1174 EMPTY_HOWTO (69),
1175 EMPTY_HOWTO (70),
1176 EMPTY_HOWTO (71),
1177 EMPTY_HOWTO (72),
1178 EMPTY_HOWTO (73),
1179 EMPTY_HOWTO (74),
1180 EMPTY_HOWTO (75),
1181 EMPTY_HOWTO (76),
1182 EMPTY_HOWTO (77),
1183 EMPTY_HOWTO (78),
1184 EMPTY_HOWTO (79),
1185 EMPTY_HOWTO (80),
1186 EMPTY_HOWTO (81),
1187 EMPTY_HOWTO (82),
1188 EMPTY_HOWTO (83),
1189 EMPTY_HOWTO (84),
1190 EMPTY_HOWTO (85),
1191 EMPTY_HOWTO (86),
1192 EMPTY_HOWTO (87),
1193 EMPTY_HOWTO (88),
1194 EMPTY_HOWTO (89),
1195 EMPTY_HOWTO (90),
1196 EMPTY_HOWTO (91),
1197 EMPTY_HOWTO (92),
1198 EMPTY_HOWTO (93),
1199 EMPTY_HOWTO (94),
1200 EMPTY_HOWTO (95),
1201 EMPTY_HOWTO (96),
1202 EMPTY_HOWTO (97),
1203 EMPTY_HOWTO (98),
1204 EMPTY_HOWTO (99),
1205 EMPTY_HOWTO (100),
1206 EMPTY_HOWTO (101),
1207 EMPTY_HOWTO (102),
1208 EMPTY_HOWTO (103),
1209 EMPTY_HOWTO (104),
1210 EMPTY_HOWTO (105),
1211 EMPTY_HOWTO (106),
1212 EMPTY_HOWTO (107),
1213 EMPTY_HOWTO (108),
1214 EMPTY_HOWTO (109),
1215 EMPTY_HOWTO (110),
1216 EMPTY_HOWTO (111),
1217 EMPTY_HOWTO (112),
1218 EMPTY_HOWTO (113),
1219 EMPTY_HOWTO (114),
1220 EMPTY_HOWTO (115),
1221 EMPTY_HOWTO (116),
1222 EMPTY_HOWTO (117),
1223 EMPTY_HOWTO (118),
1224 EMPTY_HOWTO (119),
1225 EMPTY_HOWTO (120),
1226 EMPTY_HOWTO (121),
1227 EMPTY_HOWTO (122),
1228 EMPTY_HOWTO (123),
1229 EMPTY_HOWTO (124),
1230 EMPTY_HOWTO (125),
1231 EMPTY_HOWTO (126),
1232 EMPTY_HOWTO (127),
1233 EMPTY_HOWTO (128),
1234 EMPTY_HOWTO (129),
1235 EMPTY_HOWTO (130),
1236 EMPTY_HOWTO (131),
1237 EMPTY_HOWTO (132),
1238 EMPTY_HOWTO (133),
1239 EMPTY_HOWTO (134),
1240 EMPTY_HOWTO (135),
1241 EMPTY_HOWTO (136),
1242 EMPTY_HOWTO (137),
1243 EMPTY_HOWTO (138),
1244 EMPTY_HOWTO (139),
1245 EMPTY_HOWTO (140),
1246 EMPTY_HOWTO (141),
1247 EMPTY_HOWTO (142),
1248 EMPTY_HOWTO (143),
1249 EMPTY_HOWTO (144),
1250 EMPTY_HOWTO (145),
1251 EMPTY_HOWTO (146),
1252 EMPTY_HOWTO (147),
1253 EMPTY_HOWTO (148),
1254 EMPTY_HOWTO (149),
1255 EMPTY_HOWTO (150),
1256 EMPTY_HOWTO (151),
1257 EMPTY_HOWTO (152),
1258 EMPTY_HOWTO (153),
1259 EMPTY_HOWTO (154),
1260 EMPTY_HOWTO (155),
1261 EMPTY_HOWTO (156),
1262 EMPTY_HOWTO (157),
1263 EMPTY_HOWTO (158),
1264 EMPTY_HOWTO (159),
1265 EMPTY_HOWTO (160),
1266 EMPTY_HOWTO (161),
1267 EMPTY_HOWTO (162),
1268 EMPTY_HOWTO (163),
1269 EMPTY_HOWTO (164),
1270 EMPTY_HOWTO (165),
1271 EMPTY_HOWTO (166),
1272 EMPTY_HOWTO (167),
1273 EMPTY_HOWTO (168),
1274 EMPTY_HOWTO (169),
1275 EMPTY_HOWTO (170),
1276 EMPTY_HOWTO (171),
1277 EMPTY_HOWTO (172),
1278 EMPTY_HOWTO (173),
1279 EMPTY_HOWTO (174),
1280 EMPTY_HOWTO (175),
1281 EMPTY_HOWTO (176),
1282 EMPTY_HOWTO (177),
1283 EMPTY_HOWTO (178),
1284 EMPTY_HOWTO (179),
1285 EMPTY_HOWTO (180),
1286 EMPTY_HOWTO (181),
1287 EMPTY_HOWTO (182),
1288 EMPTY_HOWTO (183),
1289 EMPTY_HOWTO (184),
1290 EMPTY_HOWTO (185),
1291 EMPTY_HOWTO (186),
1292 EMPTY_HOWTO (187),
1293 EMPTY_HOWTO (188),
1294 EMPTY_HOWTO (189),
1295 EMPTY_HOWTO (190),
1296 EMPTY_HOWTO (191),
1297 EMPTY_HOWTO (192),
1298 EMPTY_HOWTO (193),
1299 EMPTY_HOWTO (194),
1300 EMPTY_HOWTO (195),
1301 EMPTY_HOWTO (196),
1302 EMPTY_HOWTO (197),
1303 EMPTY_HOWTO (198),
1304 EMPTY_HOWTO (199),
1305 EMPTY_HOWTO (200),
1306 EMPTY_HOWTO (201),
1307 EMPTY_HOWTO (202),
1308 EMPTY_HOWTO (203),
1309 EMPTY_HOWTO (204),
1310 EMPTY_HOWTO (205),
1311 EMPTY_HOWTO (206),
1312 EMPTY_HOWTO (207),
1313 EMPTY_HOWTO (208),
1314 EMPTY_HOWTO (209),
1315 EMPTY_HOWTO (210),
1316 EMPTY_HOWTO (211),
1317 EMPTY_HOWTO (212),
1318 EMPTY_HOWTO (213),
1319 EMPTY_HOWTO (214),
1320 EMPTY_HOWTO (215),
1321 EMPTY_HOWTO (216),
1322 EMPTY_HOWTO (217),
1323 EMPTY_HOWTO (218),
1324 EMPTY_HOWTO (219),
1325 EMPTY_HOWTO (220),
1326 EMPTY_HOWTO (221),
1327 EMPTY_HOWTO (222),
1328 EMPTY_HOWTO (223),
1329 EMPTY_HOWTO (224),
1330 EMPTY_HOWTO (225),
1331 EMPTY_HOWTO (226),
1332 EMPTY_HOWTO (227),
1333 EMPTY_HOWTO (228),
1334 EMPTY_HOWTO (229),
1335 EMPTY_HOWTO (230),
1336 EMPTY_HOWTO (231),
1337 EMPTY_HOWTO (232),
1338 EMPTY_HOWTO (233),
1339 EMPTY_HOWTO (234),
1340 EMPTY_HOWTO (235),
1341 EMPTY_HOWTO (236),
1342 EMPTY_HOWTO (237),
1343 EMPTY_HOWTO (238),
1344 EMPTY_HOWTO (239),
1345 EMPTY_HOWTO (240),
1346 EMPTY_HOWTO (241),
1347 EMPTY_HOWTO (242),
1348 EMPTY_HOWTO (243),
1349 EMPTY_HOWTO (244),
1350 EMPTY_HOWTO (245),
1351 EMPTY_HOWTO (246),
1352 EMPTY_HOWTO (247),
1353 EMPTY_HOWTO (248),
1354 EMPTY_HOWTO (249),
1355 EMPTY_HOWTO (250),
1356 EMPTY_HOWTO (251),
1357 EMPTY_HOWTO (252),
1358 HOWTO (R_C6000_ALIGN, /* type */
1359 0, /* rightshift */
1360 0, /* size (0 = byte, 1 = short, 2 = long) */
1361 0, /* bitsize */
1362 FALSE, /* pc_relative */
1363 0, /* bitpos */
1364 complain_overflow_dont,/* complain_on_overflow */
1365 bfd_elf_generic_reloc, /* special_function */
1366 "R_C6000_ALIGN", /* name */
1367 TRUE, /* partial_inplace */
1368 0, /* src_mask */
1369 0, /* dst_mask */
1370 FALSE), /* pcrel_offset */
1371 HOWTO (R_C6000_FPHEAD, /* type */
1372 0, /* rightshift */
1373 0, /* size (0 = byte, 1 = short, 2 = long) */
1374 0, /* bitsize */
1375 FALSE, /* pc_relative */
1376 0, /* bitpos */
1377 complain_overflow_dont,/* complain_on_overflow */
1378 bfd_elf_generic_reloc, /* special_function */
1379 "R_C6000_FPHEAD", /* name */
1380 TRUE, /* partial_inplace */
1381 0, /* src_mask */
1382 0, /* dst_mask */
1383 FALSE), /* pcrel_offset */
1384 HOWTO (R_C6000_NOCMP, /* type */
1385 0, /* rightshift */
1386 0, /* size (0 = byte, 1 = short, 2 = long) */
1387 0, /* bitsize */
1388 FALSE, /* pc_relative */
1389 0, /* bitpos */
1390 complain_overflow_dont,/* complain_on_overflow */
1391 bfd_elf_generic_reloc, /* special_function */
1392 "R_C6000_NOCMP", /* name */
1393 TRUE, /* partial_inplace */
1394 0, /* src_mask */
1395 0, /* dst_mask */
1396 FALSE) /* pcrel_offset */
1397 };
1398
1399 /* Map BFD relocations to ELF relocations. */
1400
1401 typedef struct
1402 {
1403 bfd_reloc_code_real_type bfd_reloc_val;
1404 enum elf_tic6x_reloc_type elf_reloc_val;
1405 } tic6x_reloc_map;
1406
1407 static const tic6x_reloc_map elf32_tic6x_reloc_map[] =
1408 {
1409 { BFD_RELOC_NONE, R_C6000_NONE },
1410 { BFD_RELOC_32, R_C6000_ABS32 },
1411 { BFD_RELOC_16, R_C6000_ABS16 },
1412 { BFD_RELOC_8, R_C6000_ABS8 },
1413 { BFD_RELOC_C6000_PCR_S21, R_C6000_PCR_S21 },
1414 { BFD_RELOC_C6000_PCR_S12, R_C6000_PCR_S12 },
1415 { BFD_RELOC_C6000_PCR_S10, R_C6000_PCR_S10 },
1416 { BFD_RELOC_C6000_PCR_S7, R_C6000_PCR_S7 },
1417 { BFD_RELOC_C6000_ABS_S16, R_C6000_ABS_S16 },
1418 { BFD_RELOC_C6000_ABS_L16, R_C6000_ABS_L16 },
1419 { BFD_RELOC_C6000_ABS_H16, R_C6000_ABS_H16 },
1420 { BFD_RELOC_C6000_SBR_U15_B, R_C6000_SBR_U15_B },
1421 { BFD_RELOC_C6000_SBR_U15_H, R_C6000_SBR_U15_H },
1422 { BFD_RELOC_C6000_SBR_U15_W, R_C6000_SBR_U15_W },
1423 { BFD_RELOC_C6000_SBR_S16, R_C6000_SBR_S16 },
1424 { BFD_RELOC_C6000_SBR_L16_B, R_C6000_SBR_L16_B },
1425 { BFD_RELOC_C6000_SBR_L16_H, R_C6000_SBR_L16_H },
1426 { BFD_RELOC_C6000_SBR_L16_W, R_C6000_SBR_L16_W },
1427 { BFD_RELOC_C6000_SBR_H16_B, R_C6000_SBR_H16_B },
1428 { BFD_RELOC_C6000_SBR_H16_H, R_C6000_SBR_H16_H },
1429 { BFD_RELOC_C6000_SBR_H16_W, R_C6000_SBR_H16_W },
1430 { BFD_RELOC_C6000_SBR_GOT_U15_W, R_C6000_SBR_GOT_U15_W },
1431 { BFD_RELOC_C6000_SBR_GOT_L16_W, R_C6000_SBR_GOT_L16_W },
1432 { BFD_RELOC_C6000_SBR_GOT_H16_W, R_C6000_SBR_GOT_H16_W },
1433 { BFD_RELOC_C6000_DSBT_INDEX, R_C6000_DSBT_INDEX },
1434 { BFD_RELOC_C6000_PREL31, R_C6000_PREL31 },
1435 { BFD_RELOC_C6000_COPY, R_C6000_COPY },
1436 { BFD_RELOC_C6000_JUMP_SLOT, R_C6000_JUMP_SLOT },
1437 { BFD_RELOC_C6000_EHTYPE, R_C6000_EHTYPE },
1438 { BFD_RELOC_C6000_PCR_H16, R_C6000_PCR_H16 },
1439 { BFD_RELOC_C6000_PCR_L16, R_C6000_PCR_L16 },
1440 { BFD_RELOC_C6000_ALIGN, R_C6000_ALIGN },
1441 { BFD_RELOC_C6000_FPHEAD, R_C6000_FPHEAD },
1442 { BFD_RELOC_C6000_NOCMP, R_C6000_NOCMP }
1443 };
1444
1445 static reloc_howto_type *
1446 elf32_tic6x_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code)
1447 {
1448 unsigned int i;
1449
1450 for (i = 0; i < ARRAY_SIZE (elf32_tic6x_reloc_map); i++)
1451 if (elf32_tic6x_reloc_map[i].bfd_reloc_val == code)
1452 {
1453 enum elf_tic6x_reloc_type elf_reloc_val;
1454 reloc_howto_type *howto;
1455
1456 elf_reloc_val = elf32_tic6x_reloc_map[i].elf_reloc_val;
1457 if (elf32_tic6x_tdata (abfd)->use_rela_p)
1458 howto = &elf32_tic6x_howto_table[elf_reloc_val];
1459 else
1460 howto = &elf32_tic6x_howto_table_rel[elf_reloc_val];
1461
1462 /* Some relocations are RELA-only; do not return them for
1463 REL. */
1464 if (howto->name == NULL)
1465 howto = NULL;
1466
1467 return howto;
1468 }
1469
1470 return NULL;
1471 }
1472
1473 static reloc_howto_type *
1474 elf32_tic6x_reloc_name_lookup (bfd *abfd, const char *r_name)
1475 {
1476 if (elf32_tic6x_tdata (abfd)->use_rela_p)
1477 {
1478 unsigned int i;
1479
1480 for (i = 0; i < ARRAY_SIZE (elf32_tic6x_howto_table); i++)
1481 if (elf32_tic6x_howto_table[i].name != NULL
1482 && strcasecmp (elf32_tic6x_howto_table[i].name, r_name) == 0)
1483 return &elf32_tic6x_howto_table[i];
1484 }
1485 else
1486 {
1487 unsigned int i;
1488
1489 for (i = 0; i < ARRAY_SIZE (elf32_tic6x_howto_table_rel); i++)
1490 if (elf32_tic6x_howto_table_rel[i].name != NULL
1491 && strcasecmp (elf32_tic6x_howto_table_rel[i].name, r_name) == 0)
1492 return &elf32_tic6x_howto_table_rel[i];
1493 }
1494
1495 return NULL;
1496 }
1497
1498 static void
1499 elf32_tic6x_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *bfd_reloc,
1500 Elf_Internal_Rela *elf_reloc)
1501 {
1502 unsigned int r_type;
1503
1504 r_type = ELF32_R_TYPE (elf_reloc->r_info);
1505 if (r_type >= ARRAY_SIZE (elf32_tic6x_howto_table))
1506 bfd_reloc->howto = NULL;
1507 else
1508 bfd_reloc->howto = &elf32_tic6x_howto_table[r_type];
1509 }
1510
1511 static void
1512 elf32_tic6x_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED, arelent *bfd_reloc,
1513 Elf_Internal_Rela *elf_reloc)
1514 {
1515 unsigned int r_type;
1516
1517 r_type = ELF32_R_TYPE (elf_reloc->r_info);
1518 if (r_type >= ARRAY_SIZE (elf32_tic6x_howto_table_rel))
1519 bfd_reloc->howto = NULL;
1520 else
1521 bfd_reloc->howto = &elf32_tic6x_howto_table_rel[r_type];
1522 }
1523
1524 void
1525 elf32_tic6x_set_use_rela_p (bfd *abfd, bfd_boolean use_rela_p)
1526 {
1527 elf32_tic6x_tdata (abfd)->use_rela_p = use_rela_p;
1528 }
1529
1530 /* Create an entry in a C6X ELF linker hash table. */
1531
1532 static struct bfd_hash_entry *
1533 elf32_tic6x_link_hash_newfunc (struct bfd_hash_entry *entry,
1534 struct bfd_hash_table *table,
1535 const char *string)
1536 {
1537 /* Allocate the structure if it has not already been allocated by a
1538 subclass. */
1539 if (entry == NULL)
1540 {
1541 entry = bfd_hash_allocate (table,
1542 sizeof (struct elf32_tic6x_link_hash_entry));
1543 if (entry == NULL)
1544 return entry;
1545 }
1546
1547 /* Call the allocation method of the superclass. */
1548 entry = _bfd_elf_link_hash_newfunc (entry, table, string);
1549 if (entry != NULL)
1550 {
1551 struct elf32_tic6x_link_hash_entry *eh;
1552
1553 eh = (struct elf32_tic6x_link_hash_entry *) entry;
1554 eh->dyn_relocs = NULL;
1555 }
1556
1557 return entry;
1558 }
1559
1560 /* Create a C6X ELF linker hash table. */
1561
1562 static struct bfd_link_hash_table *
1563 elf32_tic6x_link_hash_table_create (bfd *abfd)
1564 {
1565 struct elf32_tic6x_link_hash_table *ret;
1566 bfd_size_type amt = sizeof (struct elf32_tic6x_link_hash_table);
1567
1568 ret = bfd_zmalloc (amt);
1569 if (ret == NULL)
1570 return NULL;
1571
1572 if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd,
1573 elf32_tic6x_link_hash_newfunc,
1574 sizeof (struct elf32_tic6x_link_hash_entry),
1575 TIC6X_ELF_DATA))
1576 {
1577 free (ret);
1578 return NULL;
1579 }
1580
1581 ret->obfd = abfd;
1582 ret->elf.is_relocatable_executable = 1;
1583
1584 return &ret->elf.root;
1585 }
1586
1587 static bfd_boolean
1588 elf32_tic6x_final_link (bfd *abfd, struct bfd_link_info *info)
1589 {
1590 if (bfd_link_pic (info))
1591 {
1592 obj_attribute *out_attr;
1593 out_attr = elf_known_obj_attributes_proc (abfd);
1594 if (out_attr[Tag_ABI_PIC].i == 0)
1595 {
1596 _bfd_error_handler (_("warning: generating a shared library "
1597 "containing non-PIC code"));
1598 }
1599 if (out_attr[Tag_ABI_PID].i == 0)
1600 {
1601 _bfd_error_handler (_("warning: generating a shared library "
1602 "containing non-PID code"));
1603 }
1604 }
1605 /* Invoke the regular ELF backend linker to do all the work. */
1606 if (!bfd_elf_final_link (abfd, info))
1607 return FALSE;
1608
1609 return TRUE;
1610 }
1611
1612 /* Called to pass PARAMS to the backend. We store them in the hash table
1613 associated with INFO. */
1614
1615 void
1616 elf32_tic6x_setup (struct bfd_link_info *info,
1617 struct elf32_tic6x_params *params)
1618 {
1619 struct elf32_tic6x_link_hash_table *htab = elf32_tic6x_hash_table (info);
1620 htab->params = *params;
1621 }
1622
1623 /* Determine if we're dealing with a DSBT object. */
1624
1625 static bfd_boolean
1626 elf32_tic6x_using_dsbt (bfd *abfd)
1627 {
1628 return bfd_elf_get_obj_attr_int (abfd, OBJ_ATTR_PROC,
1629 Tag_ABI_DSBT);
1630 }
1631
1632 /* Create .plt, .rela.plt, .got, .got.plt, .rela.got and .dsbt
1633 sections in DYNOBJ, and set up shortcuts to them in our hash
1634 table. */
1635
1636 static bfd_boolean
1637 elf32_tic6x_create_dynamic_sections (bfd *dynobj, struct bfd_link_info *info)
1638 {
1639 struct elf32_tic6x_link_hash_table *htab;
1640 flagword flags;
1641
1642 htab = elf32_tic6x_hash_table (info);
1643 if (htab == NULL)
1644 return FALSE;
1645
1646 if (!_bfd_elf_create_dynamic_sections (dynobj, info))
1647 return FALSE;
1648
1649 /* Create .dsbt */
1650 flags = (SEC_ALLOC | SEC_LOAD
1651 | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_LINKER_CREATED);
1652 htab->dsbt = bfd_make_section_anyway_with_flags (dynobj, ".dsbt",
1653 flags);
1654 if (htab->dsbt == NULL
1655 || ! bfd_set_section_alignment (dynobj, htab->dsbt, 2)
1656 || ! bfd_set_section_alignment (dynobj, htab->elf.splt, 5))
1657 return FALSE;
1658
1659 return TRUE;
1660 }
1661
1662 static bfd_boolean
1663 elf32_tic6x_mkobject (bfd *abfd)
1664 {
1665 bfd_boolean ret;
1666
1667 ret = bfd_elf_allocate_object (abfd, sizeof (struct elf32_tic6x_obj_tdata),
1668 TIC6X_ELF_DATA);
1669 if (ret)
1670 elf32_tic6x_set_use_rela_p (abfd, TRUE);
1671 return ret;
1672 }
1673
1674 /* Install relocation RELA into section SRELA, incrementing its
1675 reloc_count. */
1676
1677 static void
1678 elf32_tic6x_install_rela (bfd *output_bfd, asection *srela,
1679 Elf_Internal_Rela *rela)
1680 {
1681 bfd_byte *loc;
1682 bfd_vma off = srela->reloc_count++ * sizeof (Elf32_External_Rela);
1683 loc = srela->contents + off;
1684 BFD_ASSERT (off < srela->size);
1685 bfd_elf32_swap_reloca_out (output_bfd, rela, loc);
1686 }
1687
1688 /* Create a dynamic reloc against the GOT at offset OFFSET. The contents
1689 of the GOT at this offset have been initialized with the relocation. */
1690
1691 static void
1692 elf32_tic6x_make_got_dynreloc (bfd *output_bfd,
1693 struct elf32_tic6x_link_hash_table *htab,
1694 asection *sym_sec, bfd_vma offset)
1695 {
1696 asection *sgot = htab->elf.sgot;
1697 Elf_Internal_Rela outrel;
1698 int dynindx;
1699
1700 outrel.r_offset = sgot->output_section->vma + sgot->output_offset + offset;
1701 outrel.r_addend = bfd_get_32 (output_bfd, sgot->contents + offset);
1702 if (sym_sec && sym_sec->output_section
1703 && ! bfd_is_abs_section (sym_sec->output_section)
1704 && ! bfd_is_und_section (sym_sec->output_section))
1705 {
1706 dynindx = elf_section_data (sym_sec->output_section)->dynindx;
1707 outrel.r_addend -= sym_sec->output_section->vma;
1708 }
1709 else
1710 {
1711 dynindx = 0;
1712 }
1713 outrel.r_info = ELF32_R_INFO (dynindx, R_C6000_ABS32);
1714 elf32_tic6x_install_rela (output_bfd, htab->elf.srelgot, &outrel);
1715 }
1716
1717 /* Finish up dynamic symbol handling. We set the contents of various
1718 dynamic sections here. */
1719
1720 static bfd_boolean
1721 elf32_tic6x_finish_dynamic_symbol (bfd * output_bfd,
1722 struct bfd_link_info *info,
1723 struct elf_link_hash_entry *h,
1724 Elf_Internal_Sym * sym)
1725 {
1726 struct elf32_tic6x_link_hash_table *htab;
1727
1728 htab = elf32_tic6x_hash_table (info);
1729
1730 if (h->plt.offset != (bfd_vma) -1)
1731 {
1732 bfd_vma plt_index;
1733 bfd_vma got_section_offset, got_dp_offset, rela_offset;
1734 Elf_Internal_Rela rela;
1735 bfd_byte *loc;
1736 asection *plt, *gotplt, *relplt;
1737 const struct elf_backend_data *bed;
1738
1739 bed = get_elf_backend_data (output_bfd);
1740
1741 BFD_ASSERT (htab->elf.splt != NULL);
1742 plt = htab->elf.splt;
1743 gotplt = htab->elf.sgotplt;
1744 relplt = htab->elf.srelplt;
1745
1746 /* This symbol has an entry in the procedure linkage table. Set
1747 it up. */
1748
1749 if ((h->dynindx == -1
1750 && !((h->forced_local || bfd_link_executable (info))
1751 && h->def_regular
1752 && h->type == STT_GNU_IFUNC))
1753 || plt == NULL
1754 || gotplt == NULL
1755 || relplt == NULL)
1756 abort ();
1757
1758 /* Get the index in the procedure linkage table which
1759 corresponds to this symbol. This is the index of this symbol
1760 in all the symbols for which we are making plt entries. The
1761 first entry in the procedure linkage table is reserved.
1762
1763 Get the offset into the .got table of the entry that
1764 corresponds to this function. Each .got entry is 4 bytes.
1765 The first three are reserved.
1766
1767 For static executables, we don't reserve anything. */
1768
1769 plt_index = h->plt.offset / PLT_ENTRY_SIZE - 1;
1770 got_section_offset = plt_index + bed->got_header_size / 4;
1771 got_dp_offset = got_section_offset + htab->params.dsbt_size;
1772 rela_offset = plt_index * sizeof (Elf32_External_Rela);
1773
1774 got_section_offset *= 4;
1775
1776 /* Fill in the entry in the procedure linkage table. */
1777
1778 /* ldw .d2t2 *+B14($GOT(f)), b2 */
1779 bfd_put_32 (output_bfd, got_dp_offset << 8 | 0x0100006e,
1780 plt->contents + h->plt.offset);
1781 /* mvk .s2 low(rela_offset), b0 */
1782 bfd_put_32 (output_bfd, (rela_offset & 0xffff) << 7 | 0x0000002a,
1783 plt->contents + h->plt.offset + 4);
1784 /* mvkh .s2 high(rela_offset), b0 */
1785 bfd_put_32 (output_bfd, ((rela_offset >> 16) & 0xffff) << 7 | 0x0000006a,
1786 plt->contents + h->plt.offset + 8);
1787 /* nop 2 */
1788 bfd_put_32 (output_bfd, 0x00002000,
1789 plt->contents + h->plt.offset + 12);
1790 /* b .s2 b2 */
1791 bfd_put_32 (output_bfd, 0x00080362,
1792 plt->contents + h->plt.offset + 16);
1793 /* nop 5 */
1794 bfd_put_32 (output_bfd, 0x00008000,
1795 plt->contents + h->plt.offset + 20);
1796
1797 /* Fill in the entry in the global offset table. */
1798 bfd_put_32 (output_bfd,
1799 (plt->output_section->vma + plt->output_offset),
1800 gotplt->contents + got_section_offset);
1801
1802 /* Fill in the entry in the .rel.plt section. */
1803 rela.r_offset = (gotplt->output_section->vma
1804 + gotplt->output_offset
1805 + got_section_offset);
1806 rela.r_info = ELF32_R_INFO (h->dynindx, R_C6000_JUMP_SLOT);
1807 rela.r_addend = 0;
1808 loc = relplt->contents + rela_offset;
1809 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
1810
1811 if (!h->def_regular)
1812 {
1813 /* Mark the symbol as undefined, rather than as defined in
1814 the .plt section. */
1815 sym->st_shndx = SHN_UNDEF;
1816 sym->st_value = 0;
1817 }
1818 }
1819
1820 if (h->got.offset != (bfd_vma) -1)
1821 {
1822 asection *sgot;
1823 asection *srela;
1824
1825 /* This symbol has an entry in the global offset table.
1826 Set it up. */
1827
1828 sgot = htab->elf.sgot;
1829 srela = htab->elf.srelgot;
1830 BFD_ASSERT (sgot != NULL && srela != NULL);
1831
1832 /* If this is a -Bsymbolic link, and the symbol is defined
1833 locally, we just want to emit a RELATIVE reloc. Likewise if
1834 the symbol was forced to be local because of a version file.
1835 The entry in the global offset table will already have been
1836 initialized in the relocate_section function. */
1837 if (bfd_link_pic (info)
1838 && (SYMBOLIC_BIND (info, h)
1839 || h->dynindx == -1 || h->forced_local) && h->def_regular)
1840 {
1841 asection *s = h->root.u.def.section;
1842 elf32_tic6x_make_got_dynreloc (output_bfd, htab, s,
1843 h->got.offset & ~(bfd_vma) 1);
1844 }
1845 else
1846 {
1847 Elf_Internal_Rela outrel;
1848 bfd_put_32 (output_bfd, (bfd_vma) 0,
1849 sgot->contents + (h->got.offset & ~(bfd_vma) 1));
1850 outrel.r_offset = (sgot->output_section->vma
1851 + sgot->output_offset
1852 + (h->got.offset & ~(bfd_vma) 1));
1853 outrel.r_info = ELF32_R_INFO (h->dynindx, R_C6000_ABS32);
1854 outrel.r_addend = 0;
1855
1856 elf32_tic6x_install_rela (output_bfd, srela, &outrel);
1857 }
1858 }
1859
1860 if (h->needs_copy)
1861 {
1862 Elf_Internal_Rela rel;
1863 asection *s;
1864
1865 /* This symbol needs a copy reloc. Set it up. */
1866
1867 if (h->dynindx == -1
1868 || (h->root.type != bfd_link_hash_defined
1869 && h->root.type != bfd_link_hash_defweak)
1870 || htab->elf.srelbss == NULL
1871 || htab->elf.sreldynrelro == NULL)
1872 abort ();
1873
1874 rel.r_offset = (h->root.u.def.value
1875 + h->root.u.def.section->output_section->vma
1876 + h->root.u.def.section->output_offset);
1877 rel.r_info = ELF32_R_INFO (h->dynindx, R_C6000_COPY);
1878 rel.r_addend = 0;
1879 if (h->root.u.def.section == htab->elf.sdynrelro)
1880 s = htab->elf.sreldynrelro;
1881 else
1882 s = htab->elf.srelbss;
1883
1884 elf32_tic6x_install_rela (output_bfd, s, &rel);
1885 }
1886
1887 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */
1888 if (h == elf_hash_table (info)->hdynamic
1889 || h == elf_hash_table (info)->hgot)
1890 sym->st_shndx = SHN_ABS;
1891
1892 return TRUE;
1893 }
1894
1895 /* Unwinding tables are not referenced directly. This pass marks them as
1896 required if the corresponding code section is marked. */
1897
1898 static bfd_boolean
1899 elf32_tic6x_gc_mark_extra_sections (struct bfd_link_info *info,
1900 elf_gc_mark_hook_fn gc_mark_hook)
1901 {
1902 bfd *sub;
1903 Elf_Internal_Shdr **elf_shdrp;
1904 bfd_boolean again;
1905
1906 _bfd_elf_gc_mark_extra_sections (info, gc_mark_hook);
1907
1908 /* Marking EH data may cause additional code sections to be marked,
1909 requiring multiple passes. */
1910 again = TRUE;
1911 while (again)
1912 {
1913 again = FALSE;
1914 for (sub = info->input_bfds; sub != NULL; sub = sub->link.next)
1915 {
1916 asection *o;
1917
1918 if (! is_tic6x_elf (sub))
1919 continue;
1920
1921 elf_shdrp = elf_elfsections (sub);
1922 for (o = sub->sections; o != NULL; o = o->next)
1923 {
1924 Elf_Internal_Shdr *hdr;
1925
1926 hdr = &elf_section_data (o)->this_hdr;
1927 if (hdr->sh_type == SHT_C6000_UNWIND
1928 && hdr->sh_link
1929 && hdr->sh_link < elf_numsections (sub)
1930 && !o->gc_mark
1931 && elf_shdrp[hdr->sh_link]->bfd_section->gc_mark)
1932 {
1933 again = TRUE;
1934 if (!_bfd_elf_gc_mark (info, o, gc_mark_hook))
1935 return FALSE;
1936 }
1937 }
1938 }
1939 }
1940
1941 return TRUE;
1942 }
1943
1944 /* Return TRUE if this is an unwinding table index. */
1945
1946 static bfd_boolean
1947 is_tic6x_elf_unwind_section_name (const char *name)
1948 {
1949 return (CONST_STRNEQ (name, ELF_STRING_C6000_unwind)
1950 || CONST_STRNEQ (name, ELF_STRING_C6000_unwind_once));
1951 }
1952
1953
1954 /* Set the type and flags for an unwinding index table. We do this by
1955 the section name, which is a hack, but ought to work. */
1956
1957 static bfd_boolean
1958 elf32_tic6x_fake_sections (bfd *abfd ATTRIBUTE_UNUSED,
1959 Elf_Internal_Shdr *hdr, asection *sec)
1960 {
1961 const char * name;
1962
1963 name = bfd_get_section_name (abfd, sec);
1964
1965 if (is_tic6x_elf_unwind_section_name (name))
1966 {
1967 hdr->sh_type = SHT_C6000_UNWIND;
1968 hdr->sh_flags |= SHF_LINK_ORDER;
1969 }
1970
1971 return TRUE;
1972 }
1973
1974 /* Adjust a symbol defined by a dynamic object and referenced by a
1975 regular object. The current definition is in some section of the
1976 dynamic object, but we're not including those sections. We have to
1977 change the definition to something the rest of the link can
1978 understand. */
1979
1980 static bfd_boolean
1981 elf32_tic6x_adjust_dynamic_symbol (struct bfd_link_info *info,
1982 struct elf_link_hash_entry *h)
1983 {
1984 struct elf32_tic6x_link_hash_table *htab;
1985 bfd *dynobj;
1986 asection *s, *srel;
1987
1988 dynobj = elf_hash_table (info)->dynobj;
1989
1990 /* Make sure we know what is going on here. */
1991 BFD_ASSERT (dynobj != NULL
1992 && (h->needs_plt
1993 || h->u.weakdef != NULL
1994 || (h->def_dynamic && h->ref_regular && !h->def_regular)));
1995
1996 /* If this is a function, put it in the procedure linkage table. We
1997 will fill in the contents of the procedure linkage table later,
1998 when we know the address of the .got section. */
1999 if (h->type == STT_FUNC
2000 || h->needs_plt)
2001 {
2002 if (h->plt.refcount <= 0
2003 || SYMBOL_CALLS_LOCAL (info, h)
2004 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2005 && h->root.type == bfd_link_hash_undefweak))
2006 {
2007 /* This case can occur if we saw a PLT32 reloc in an input
2008 file, but the symbol was never referred to by a dynamic
2009 object, or if all references were garbage collected. In
2010 such a case, we don't actually need to build a procedure
2011 linkage table, and we can just do a PC32 reloc instead. */
2012 h->plt.offset = (bfd_vma) -1;
2013 h->needs_plt = 0;
2014 }
2015
2016 return TRUE;
2017 }
2018
2019 /* If this is a weak symbol, and there is a real definition, the
2020 processor independent code will have arranged for us to see the
2021 real definition first, and we can just use the same value. */
2022 if (h->u.weakdef != NULL)
2023 {
2024 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
2025 || h->u.weakdef->root.type == bfd_link_hash_defweak);
2026 h->root.u.def.section = h->u.weakdef->root.u.def.section;
2027 h->root.u.def.value = h->u.weakdef->root.u.def.value;
2028 h->non_got_ref = h->u.weakdef->non_got_ref;
2029 return TRUE;
2030 }
2031
2032 /* This is a reference to a symbol defined by a dynamic object which
2033 is not a function. */
2034
2035 /* If we are creating a shared library, we must presume that the
2036 only references to the symbol are via the global offset table.
2037 For such cases we need not do anything here; the relocations will
2038 be handled correctly by relocate_section. */
2039 if (bfd_link_pic (info))
2040 return TRUE;
2041
2042 /* If there are no references to this symbol that do not use the
2043 GOT, we don't need to generate a copy reloc. */
2044 if (!h->non_got_ref)
2045 return TRUE;
2046
2047 /* If -z nocopyreloc was given, we won't generate them either. */
2048 if (info->nocopyreloc)
2049 {
2050 h->non_got_ref = 0;
2051 return TRUE;
2052 }
2053
2054 htab = elf32_tic6x_hash_table (info);
2055 if (htab == NULL)
2056 return FALSE;
2057
2058 /* We must allocate the symbol in our .dynbss section, which will
2059 become part of the .bss section of the executable. There will be
2060 an entry for this symbol in the .dynsym section. The dynamic
2061 object will contain position independent code, so all references
2062 from the dynamic object to this symbol will go through the global
2063 offset table. The dynamic linker will use the .dynsym entry to
2064 determine the address it must put in the global offset table, so
2065 both the dynamic object and the regular object will refer to the
2066 same memory location for the variable. */
2067
2068 /* We must generate a R_C6000_COPY reloc to tell the dynamic linker to
2069 copy the initial value out of the dynamic object and into the
2070 runtime process image. */
2071 if ((h->root.u.def.section->flags & SEC_READONLY) != 0)
2072 {
2073 s = htab->elf.sdynrelro;
2074 srel = htab->elf.sreldynrelro;
2075 }
2076 else
2077 {
2078 s = htab->elf.sdynbss;
2079 srel = htab->elf.srelbss;
2080 }
2081 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
2082 {
2083 srel->size += sizeof (Elf32_External_Rela);
2084 h->needs_copy = 1;
2085 }
2086
2087 return _bfd_elf_adjust_dynamic_copy (info, h, s);
2088 }
2089
2090 static bfd_boolean
2091 elf32_tic6x_new_section_hook (bfd *abfd, asection *sec)
2092 {
2093 bfd_boolean ret;
2094
2095 /* Allocate target specific section data. */
2096 if (!sec->used_by_bfd)
2097 {
2098 _tic6x_elf_section_data *sdata;
2099 bfd_size_type amt = sizeof (*sdata);
2100
2101 sdata = (_tic6x_elf_section_data *) bfd_zalloc (abfd, amt);
2102 if (sdata == NULL)
2103 return FALSE;
2104 sec->used_by_bfd = sdata;
2105 }
2106
2107 ret = _bfd_elf_new_section_hook (abfd, sec);
2108 sec->use_rela_p = elf32_tic6x_tdata (abfd)->use_rela_p;
2109
2110 return ret;
2111 }
2112
2113 /* Return true if relocation REL against section SEC is a REL rather
2114 than RELA relocation. RELOCS is the first relocation in the
2115 section and ABFD is the bfd that contains SEC. */
2116
2117 static bfd_boolean
2118 elf32_tic6x_rel_relocation_p (bfd *abfd, asection *sec,
2119 const Elf_Internal_Rela *relocs,
2120 const Elf_Internal_Rela *rel)
2121 {
2122 Elf_Internal_Shdr *rel_hdr;
2123 const struct elf_backend_data *bed;
2124
2125 /* To determine which flavor of relocation this is, we depend on the
2126 fact that the INPUT_SECTION's REL_HDR is read before RELA_HDR. */
2127 rel_hdr = elf_section_data (sec)->rel.hdr;
2128 if (rel_hdr == NULL)
2129 return FALSE;
2130 bed = get_elf_backend_data (abfd);
2131 return ((size_t) (rel - relocs)
2132 < NUM_SHDR_ENTRIES (rel_hdr) * bed->s->int_rels_per_ext_rel);
2133 }
2134
2135 /* We need dynamic symbols for every section, since segments can
2136 relocate independently. */
2137 static bfd_boolean
2138 elf32_tic6x_link_omit_section_dynsym (bfd *output_bfd ATTRIBUTE_UNUSED,
2139 struct bfd_link_info *info ATTRIBUTE_UNUSED,
2140 asection *p)
2141 {
2142 switch (elf_section_data (p)->this_hdr.sh_type)
2143 {
2144 case SHT_PROGBITS:
2145 case SHT_NOBITS:
2146 /* If sh_type is yet undecided, assume it could be
2147 SHT_PROGBITS/SHT_NOBITS. */
2148 case SHT_NULL:
2149 return FALSE;
2150
2151 /* There shouldn't be section relative relocations
2152 against any other section. */
2153 default:
2154 return TRUE;
2155 }
2156 }
2157
2158 static bfd_boolean
2159 elf32_tic6x_relocate_section (bfd *output_bfd,
2160 struct bfd_link_info *info,
2161 bfd *input_bfd,
2162 asection *input_section,
2163 bfd_byte *contents,
2164 Elf_Internal_Rela *relocs,
2165 Elf_Internal_Sym *local_syms,
2166 asection **local_sections)
2167 {
2168 struct elf32_tic6x_link_hash_table *htab;
2169 Elf_Internal_Shdr *symtab_hdr;
2170 struct elf_link_hash_entry **sym_hashes;
2171 bfd_vma *local_got_offsets;
2172 Elf_Internal_Rela *rel;
2173 Elf_Internal_Rela *relend;
2174 bfd_boolean ok = TRUE;
2175
2176 htab = elf32_tic6x_hash_table (info);
2177 symtab_hdr = & elf_symtab_hdr (input_bfd);
2178 sym_hashes = elf_sym_hashes (input_bfd);
2179 local_got_offsets = elf_local_got_offsets (input_bfd);
2180
2181 relend = relocs + input_section->reloc_count;
2182
2183 for (rel = relocs; rel < relend; rel ++)
2184 {
2185 int r_type;
2186 unsigned long r_symndx;
2187 arelent bfd_reloc;
2188 reloc_howto_type *howto;
2189 Elf_Internal_Sym *sym;
2190 asection *sec;
2191 struct elf_link_hash_entry *h;
2192 bfd_vma off, off2, relocation;
2193 bfd_boolean unresolved_reloc;
2194 bfd_reloc_status_type r;
2195 struct bfd_link_hash_entry *sbh;
2196 bfd_boolean is_rel;
2197
2198 r_type = ELF32_R_TYPE (rel->r_info);
2199 r_symndx = ELF32_R_SYM (rel->r_info);
2200
2201 is_rel = elf32_tic6x_rel_relocation_p (input_bfd, input_section,
2202 relocs, rel);
2203
2204 if (is_rel)
2205 elf32_tic6x_info_to_howto_rel (input_bfd, &bfd_reloc, rel);
2206 else
2207 elf32_tic6x_info_to_howto (input_bfd, &bfd_reloc, rel);
2208 howto = bfd_reloc.howto;
2209 if (howto == NULL)
2210 {
2211 bfd_set_error (bfd_error_bad_value);
2212 return FALSE;
2213 }
2214
2215 h = NULL;
2216 sym = NULL;
2217 sec = NULL;
2218 unresolved_reloc = FALSE;
2219
2220 if (r_symndx < symtab_hdr->sh_info)
2221 {
2222 sym = local_syms + r_symndx;
2223 sec = local_sections[r_symndx];
2224 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
2225 }
2226 else
2227 {
2228 bfd_boolean warned, ignored;
2229
2230 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
2231 r_symndx, symtab_hdr, sym_hashes,
2232 h, sec, relocation,
2233 unresolved_reloc, warned, ignored);
2234 }
2235
2236 if (sec != NULL && discarded_section (sec))
2237 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
2238 rel, 1, relend, howto, 0, contents);
2239
2240 if (bfd_link_relocatable (info))
2241 {
2242 if (is_rel
2243 && sym != NULL
2244 && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
2245 {
2246 rel->r_addend = 0;
2247 relocation = sec->output_offset + sym->st_value;
2248 r = _bfd_relocate_contents (howto, input_bfd, relocation,
2249 contents + rel->r_offset);
2250 goto done_reloc;
2251 }
2252 continue;
2253 }
2254
2255 switch (r_type)
2256 {
2257 case R_C6000_NONE:
2258 case R_C6000_ALIGN:
2259 case R_C6000_FPHEAD:
2260 case R_C6000_NOCMP:
2261 /* No action needed. */
2262 continue;
2263
2264 case R_C6000_PCR_S21:
2265 /* A branch to an undefined weak symbol is turned into a
2266 "b .s2 B3" instruction if the existing insn is of the
2267 form "b .s2 symbol". */
2268 if (h ? h->root.type == bfd_link_hash_undefweak
2269 && (htab->elf.splt == NULL || h->plt.offset == (bfd_vma) -1)
2270 : r_symndx != STN_UNDEF && bfd_is_und_section (sec))
2271 {
2272 unsigned long oldval;
2273 oldval = bfd_get_32 (input_bfd, contents + rel->r_offset);
2274
2275 if ((oldval & 0x7e) == 0x12)
2276 {
2277 oldval &= 0xF0000001;
2278 bfd_put_32 (input_bfd, oldval | 0x000c0362,
2279 contents + rel->r_offset);
2280 r = bfd_reloc_ok;
2281 goto done_reloc;
2282 }
2283 }
2284 /* Fall through. */
2285
2286 case R_C6000_PCR_S12:
2287 case R_C6000_PCR_S10:
2288 case R_C6000_PCR_S7:
2289 if (h != NULL
2290 && h->plt.offset != (bfd_vma) -1
2291 && htab->elf.splt != NULL)
2292 {
2293 relocation = (htab->elf.splt->output_section->vma
2294 + htab->elf.splt->output_offset
2295 + h->plt.offset);
2296 }
2297
2298 /* Generic PC-relative handling produces a value relative to
2299 the exact location of the relocation. Adjust it to be
2300 relative to the start of the fetch packet instead. */
2301 relocation += (input_section->output_section->vma
2302 + input_section->output_offset
2303 + rel->r_offset) & 0x1f;
2304 unresolved_reloc = FALSE;
2305 break;
2306
2307 case R_C6000_PCR_H16:
2308 case R_C6000_PCR_L16:
2309 off = (input_section->output_section->vma
2310 + input_section->output_offset
2311 + rel->r_offset);
2312 /* These must be calculated as R = S - FP(FP(PC) - A).
2313 PC, here, is the value we just computed in OFF. RELOCATION
2314 has the address of S + A. */
2315 relocation -= rel->r_addend;
2316 off2 = ((off & ~(bfd_vma)0x1f) - rel->r_addend) & (bfd_vma)~0x1f;
2317 off2 = relocation - off2;
2318 relocation = off + off2;
2319 break;
2320
2321 case R_C6000_DSBT_INDEX:
2322 relocation = elf32_tic6x_hash_table (info)->params.dsbt_index;
2323 if (!bfd_link_pic (info) || relocation != 0)
2324 break;
2325
2326 /* fall through */
2327 case R_C6000_ABS32:
2328 case R_C6000_ABS16:
2329 case R_C6000_ABS8:
2330 case R_C6000_ABS_S16:
2331 case R_C6000_ABS_L16:
2332 case R_C6000_ABS_H16:
2333 /* When generating a shared object or relocatable executable, these
2334 relocations are copied into the output file to be resolved at
2335 run time. */
2336 if ((bfd_link_pic (info) || elf32_tic6x_using_dsbt (output_bfd))
2337 && (input_section->flags & SEC_ALLOC)
2338 && (h == NULL
2339 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2340 || h->root.type != bfd_link_hash_undefweak))
2341 {
2342 Elf_Internal_Rela outrel;
2343 bfd_boolean skip, relocate;
2344 asection *sreloc;
2345
2346 unresolved_reloc = FALSE;
2347
2348 sreloc = elf_section_data (input_section)->sreloc;
2349 BFD_ASSERT (sreloc != NULL && sreloc->contents != NULL);
2350
2351 skip = FALSE;
2352 relocate = FALSE;
2353
2354 outrel.r_offset =
2355 _bfd_elf_section_offset (output_bfd, info, input_section,
2356 rel->r_offset);
2357 if (outrel.r_offset == (bfd_vma) -1)
2358 skip = TRUE;
2359 else if (outrel.r_offset == (bfd_vma) -2)
2360 skip = TRUE, relocate = TRUE;
2361 outrel.r_offset += (input_section->output_section->vma
2362 + input_section->output_offset);
2363
2364 if (skip)
2365 memset (&outrel, 0, sizeof outrel);
2366 else if (h != NULL
2367 && h->dynindx != -1
2368 && (!bfd_link_pic (info)
2369 || !SYMBOLIC_BIND (info, h)
2370 || !h->def_regular))
2371 {
2372 outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
2373 outrel.r_addend = rel->r_addend;
2374 }
2375 else
2376 {
2377 long indx;
2378
2379 outrel.r_addend = relocation + rel->r_addend;
2380
2381 if (bfd_is_abs_section (sec))
2382 indx = 0;
2383 else if (sec == NULL || sec->owner == NULL)
2384 {
2385 bfd_set_error (bfd_error_bad_value);
2386 return FALSE;
2387 }
2388 else
2389 {
2390 asection *osec;
2391
2392 osec = sec->output_section;
2393 indx = elf_section_data (osec)->dynindx;
2394 outrel.r_addend -= osec->vma;
2395 BFD_ASSERT (indx != 0);
2396 }
2397
2398 outrel.r_info = ELF32_R_INFO (indx, r_type);
2399 }
2400
2401 elf32_tic6x_install_rela (output_bfd, sreloc, &outrel);
2402
2403 /* If this reloc is against an external symbol, we do not want to
2404 fiddle with the addend. Otherwise, we need to include the symbol
2405 value so that it becomes an addend for the dynamic reloc. */
2406 if (! relocate)
2407 continue;
2408 }
2409
2410 /* Generic logic OK. */
2411 break;
2412
2413 case R_C6000_SBR_U15_B:
2414 case R_C6000_SBR_U15_H:
2415 case R_C6000_SBR_U15_W:
2416 case R_C6000_SBR_S16:
2417 case R_C6000_SBR_L16_B:
2418 case R_C6000_SBR_L16_H:
2419 case R_C6000_SBR_L16_W:
2420 case R_C6000_SBR_H16_B:
2421 case R_C6000_SBR_H16_H:
2422 case R_C6000_SBR_H16_W:
2423 sbh = bfd_link_hash_lookup (info->hash, "__c6xabi_DSBT_BASE",
2424 FALSE, FALSE, TRUE);
2425 if (sbh != NULL
2426 && (sbh->type == bfd_link_hash_defined
2427 || sbh->type == bfd_link_hash_defweak))
2428 {
2429 if (h ? (h->root.type == bfd_link_hash_undefweak
2430 && (htab->elf.splt == NULL
2431 || h->plt.offset == (bfd_vma) -1))
2432 : r_symndx != STN_UNDEF && bfd_is_und_section (sec))
2433 relocation = 0;
2434 else
2435 relocation -= (sbh->u.def.value
2436 + sbh->u.def.section->output_section->vma
2437 + sbh->u.def.section->output_offset);
2438 }
2439 else
2440 {
2441 _bfd_error_handler (_("%B: SB-relative relocation but "
2442 "__c6xabi_DSBT_BASE not defined"),
2443 input_bfd);
2444 ok = FALSE;
2445 continue;
2446 }
2447 break;
2448
2449 case R_C6000_SBR_GOT_U15_W:
2450 case R_C6000_SBR_GOT_L16_W:
2451 case R_C6000_SBR_GOT_H16_W:
2452 case R_C6000_EHTYPE:
2453 /* Relocation is to the entry for this symbol in the global
2454 offset table. */
2455 if (htab->elf.sgot == NULL)
2456 abort ();
2457
2458 if (h != NULL)
2459 {
2460 bfd_boolean dyn;
2461
2462 off = h->got.offset;
2463 dyn = htab->elf.dynamic_sections_created;
2464 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
2465 bfd_link_pic (info),
2466 h)
2467 || (bfd_link_pic (info)
2468 && SYMBOL_REFERENCES_LOCAL (info, h))
2469 || (ELF_ST_VISIBILITY (h->other)
2470 && h->root.type == bfd_link_hash_undefweak))
2471 {
2472 /* This is actually a static link, or it is a
2473 -Bsymbolic link and the symbol is defined
2474 locally, or the symbol was forced to be local
2475 because of a version file. We must initialize
2476 this entry in the global offset table. Since the
2477 offset must always be a multiple of 4, we use the
2478 least significant bit to record whether we have
2479 initialized it already.
2480
2481 When doing a dynamic link, we create a .rel.got
2482 relocation entry to initialize the value. This
2483 is done in the finish_dynamic_symbol routine. */
2484 if ((off & 1) != 0)
2485 off &= ~1;
2486 else
2487 {
2488 bfd_put_32 (output_bfd, relocation,
2489 htab->elf.sgot->contents + off);
2490 h->got.offset |= 1;
2491
2492 if (!WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
2493 bfd_link_pic (info),
2494 h)
2495 && !(ELF_ST_VISIBILITY (h->other)
2496 && h->root.type == bfd_link_hash_undefweak))
2497 elf32_tic6x_make_got_dynreloc (output_bfd, htab, sec,
2498 off);
2499 }
2500 }
2501 else
2502 unresolved_reloc = FALSE;
2503 }
2504 else
2505 {
2506 if (local_got_offsets == NULL)
2507 abort ();
2508
2509 off = local_got_offsets[r_symndx];
2510
2511 /* The offset must always be a multiple of 4. We use
2512 the least significant bit to record whether we have
2513 already generated the necessary reloc. */
2514 if ((off & 1) != 0)
2515 off &= ~1;
2516 else
2517 {
2518 bfd_put_32 (output_bfd, relocation,
2519 htab->elf.sgot->contents + off);
2520
2521 if (bfd_link_pic (info) || elf32_tic6x_using_dsbt (output_bfd))
2522 elf32_tic6x_make_got_dynreloc (output_bfd, htab, sec, off);
2523
2524 local_got_offsets[r_symndx] |= 1;
2525 }
2526 }
2527
2528 if (off >= (bfd_vma) -2)
2529 abort ();
2530
2531 if (htab->dsbt)
2532 relocation = (htab->elf.sgot->output_section->vma
2533 + htab->elf.sgot->output_offset + off
2534 - htab->dsbt->output_section->vma
2535 - htab->dsbt->output_offset);
2536 else
2537 relocation = (htab->elf.sgot->output_section->vma
2538 + htab->elf.sgot->output_offset + off
2539 - htab->elf.sgotplt->output_section->vma
2540 - htab->elf.sgotplt->output_offset);
2541
2542 if (rel->r_addend != 0)
2543 {
2544 /* We can't do anything for a relocation which is against
2545 a symbol *plus offset*. GOT holds relocations for
2546 symbols. Make this an error; the compiler isn't
2547 allowed to pass us these kinds of things. */
2548 if (h == NULL)
2549 _bfd_error_handler
2550 /* xgettext:c-format */
2551 (_("%B, section %A: relocation %s with non-zero addend %Ld"
2552 " against local symbol"),
2553 input_bfd,
2554 input_section,
2555 elf32_tic6x_howto_table[r_type].name,
2556 rel->r_addend);
2557 else
2558 _bfd_error_handler
2559 /* xgettext:c-format */
2560 (_("%B, section %A: relocation %s with non-zero addend %Ld"
2561 " against symbol `%s'"),
2562 input_bfd,
2563 input_section,
2564 elf32_tic6x_howto_table[r_type].name,
2565 rel->r_addend,
2566 h->root.root.string[0] != '\0' ? h->root.root.string
2567 : _("[whose name is lost]"));
2568
2569 bfd_set_error (bfd_error_bad_value);
2570 return FALSE;
2571 }
2572 break;
2573
2574 case R_C6000_PREL31:
2575 if (h != NULL
2576 && h->plt.offset != (bfd_vma) -1
2577 && htab->elf.splt != NULL)
2578 {
2579 relocation = (htab->elf.splt->output_section->vma
2580 + htab->elf.splt->output_offset
2581 + h->plt.offset);
2582 }
2583 break;
2584
2585 case R_C6000_COPY:
2586 /* Invalid in relocatable object. */
2587 default:
2588 /* Unknown relocation. */
2589 /* xgettext:c-format */
2590 _bfd_error_handler (_("%B: invalid relocation type %d"),
2591 input_bfd, r_type);
2592 ok = FALSE;
2593 continue;
2594 }
2595
2596 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
2597 contents, rel->r_offset,
2598 relocation, rel->r_addend);
2599
2600 done_reloc:
2601 if (r == bfd_reloc_ok
2602 && howto->complain_on_overflow == complain_overflow_bitfield)
2603 {
2604 /* Generic overflow handling accepts cases the ABI says
2605 should be rejected for R_C6000_ABS16 and
2606 R_C6000_ABS8. */
2607 bfd_vma value = (relocation + rel->r_addend) & 0xffffffff;
2608 bfd_vma sbit = 1 << (howto->bitsize - 1);
2609 bfd_vma sbits = (-(bfd_vma) sbit) & 0xffffffff;
2610 bfd_vma value_sbits = value & sbits;
2611
2612 if (value_sbits != 0
2613 && value_sbits != sbit
2614 && value_sbits != sbits)
2615 r = bfd_reloc_overflow;
2616 }
2617
2618 if (r != bfd_reloc_ok)
2619 {
2620 const char *name;
2621 const char *error_message;
2622
2623 if (h != NULL)
2624 name = h->root.root.string;
2625 else
2626 {
2627 name = bfd_elf_string_from_elf_section (input_bfd,
2628 symtab_hdr->sh_link,
2629 sym->st_name);
2630 if (name == NULL)
2631 return FALSE;
2632 if (*name == '\0')
2633 name = bfd_section_name (input_bfd, sec);
2634 }
2635
2636 switch (r)
2637 {
2638 case bfd_reloc_overflow:
2639 /* If the overflowing reloc was to an undefined symbol,
2640 we have already printed one error message and there
2641 is no point complaining again. */
2642 if (!h || h->root.type != bfd_link_hash_undefined)
2643 (*info->callbacks->reloc_overflow)
2644 (info, (h ? &h->root : NULL), name, howto->name,
2645 (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
2646 break;
2647
2648 case bfd_reloc_undefined:
2649 (*info->callbacks->undefined_symbol) (info, name, input_bfd,
2650 input_section,
2651 rel->r_offset, TRUE);
2652 break;
2653
2654 case bfd_reloc_outofrange:
2655 error_message = _("out of range");
2656 goto common_error;
2657
2658 case bfd_reloc_notsupported:
2659 error_message = _("unsupported relocation");
2660 goto common_error;
2661
2662 case bfd_reloc_dangerous:
2663 error_message = _("dangerous relocation");
2664 goto common_error;
2665
2666 default:
2667 error_message = _("unknown error");
2668 /* Fall through. */
2669
2670 common_error:
2671 BFD_ASSERT (error_message != NULL);
2672 (*info->callbacks->reloc_dangerous)
2673 (info, error_message, input_bfd, input_section, rel->r_offset);
2674 break;
2675 }
2676 }
2677 }
2678
2679 return ok;
2680 }
2681
2682 \f
2683 /* Look through the relocs for a section during the first phase, and
2684 calculate needed space in the global offset table, procedure linkage
2685 table, and dynamic reloc sections. */
2686
2687 static bfd_boolean
2688 elf32_tic6x_check_relocs (bfd *abfd, struct bfd_link_info *info,
2689 asection *sec, const Elf_Internal_Rela *relocs)
2690 {
2691 struct elf32_tic6x_link_hash_table *htab;
2692 Elf_Internal_Shdr *symtab_hdr;
2693 struct elf_link_hash_entry **sym_hashes;
2694 const Elf_Internal_Rela *rel;
2695 const Elf_Internal_Rela *rel_end;
2696 asection *sreloc;
2697
2698 if (bfd_link_relocatable (info))
2699 return TRUE;
2700
2701 htab = elf32_tic6x_hash_table (info);
2702 symtab_hdr = &elf_symtab_hdr (abfd);
2703 sym_hashes = elf_sym_hashes (abfd);
2704
2705 /* Create dynamic sections for relocatable executables so that we can
2706 copy relocations. */
2707 if ((bfd_link_pic (info) || elf32_tic6x_using_dsbt (abfd))
2708 && ! htab->elf.dynamic_sections_created)
2709 {
2710 if (! _bfd_elf_link_create_dynamic_sections (abfd, info))
2711 return FALSE;
2712 }
2713
2714 sreloc = NULL;
2715
2716 rel_end = relocs + sec->reloc_count;
2717 for (rel = relocs; rel < rel_end; rel++)
2718 {
2719 unsigned int r_type;
2720 unsigned int r_symndx;
2721 struct elf_link_hash_entry *h;
2722 Elf_Internal_Sym *isym;
2723
2724 r_symndx = ELF32_R_SYM (rel->r_info);
2725 r_type = ELF32_R_TYPE (rel->r_info);
2726
2727 if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
2728 {
2729 /* xgettext:c-format */
2730 _bfd_error_handler (_("%B: bad symbol index: %d"),
2731 abfd, r_symndx);
2732 return FALSE;
2733 }
2734
2735 if (r_symndx < symtab_hdr->sh_info)
2736 {
2737 /* A local symbol. */
2738 isym = bfd_sym_from_r_symndx (&htab->sym_cache,
2739 abfd, r_symndx);
2740 if (isym == NULL)
2741 return FALSE;
2742 h = NULL;
2743 }
2744 else
2745 {
2746 isym = NULL;
2747 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
2748 while (h->root.type == bfd_link_hash_indirect
2749 || h->root.type == bfd_link_hash_warning)
2750 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2751
2752 /* PR15323, ref flags aren't set for references in the same
2753 object. */
2754 h->root.non_ir_ref_regular = 1;
2755 }
2756
2757 switch (r_type)
2758 {
2759 case R_C6000_PCR_S21:
2760 case R_C6000_PREL31:
2761 /* This symbol requires a procedure linkage table entry. We
2762 actually build the entry in adjust_dynamic_symbol,
2763 because this might be a case of linking PIC code which is
2764 never referenced by a dynamic object, in which case we
2765 don't need to generate a procedure linkage table entry
2766 after all. */
2767
2768 /* If this is a local symbol, we resolve it directly without
2769 creating a procedure linkage table entry. */
2770 if (h == NULL)
2771 continue;
2772
2773 h->needs_plt = 1;
2774 h->plt.refcount += 1;
2775 break;
2776
2777 case R_C6000_SBR_GOT_U15_W:
2778 case R_C6000_SBR_GOT_L16_W:
2779 case R_C6000_SBR_GOT_H16_W:
2780 case R_C6000_EHTYPE:
2781 /* This symbol requires a global offset table entry. */
2782 if (h != NULL)
2783 {
2784 h->got.refcount += 1;
2785 }
2786 else
2787 {
2788 bfd_signed_vma *local_got_refcounts;
2789
2790 /* This is a global offset table entry for a local symbol. */
2791 local_got_refcounts = elf_local_got_refcounts (abfd);
2792 if (local_got_refcounts == NULL)
2793 {
2794 bfd_size_type size;
2795
2796 size = symtab_hdr->sh_info;
2797 size *= (sizeof (bfd_signed_vma)
2798 + sizeof (bfd_vma) + sizeof(char));
2799 local_got_refcounts = bfd_zalloc (abfd, size);
2800 if (local_got_refcounts == NULL)
2801 return FALSE;
2802 elf_local_got_refcounts (abfd) = local_got_refcounts;
2803 }
2804 local_got_refcounts[r_symndx] += 1;
2805 }
2806
2807 if (htab->elf.sgot == NULL)
2808 {
2809 if (htab->elf.dynobj == NULL)
2810 htab->elf.dynobj = abfd;
2811 if (!_bfd_elf_create_got_section (htab->elf.dynobj, info))
2812 return FALSE;
2813 }
2814 break;
2815
2816 case R_C6000_DSBT_INDEX:
2817 /* We'd like to check for nonzero dsbt_index here, but it's
2818 set up only after check_relocs is called. Instead, we
2819 store the number of R_C6000_DSBT_INDEX relocs in the
2820 pc_count field, and potentially discard the extra space
2821 in elf32_tic6x_allocate_dynrelocs. */
2822 if (!bfd_link_pic (info))
2823 break;
2824
2825 /* fall through */
2826 case R_C6000_ABS32:
2827 case R_C6000_ABS16:
2828 case R_C6000_ABS8:
2829 case R_C6000_ABS_S16:
2830 case R_C6000_ABS_L16:
2831 case R_C6000_ABS_H16:
2832 /* If we are creating a shared library, and this is a reloc
2833 against a global symbol, or a non PC relative reloc
2834 against a local symbol, then we need to copy the reloc
2835 into the shared library. However, if we are linking with
2836 -Bsymbolic, we do not need to copy a reloc against a
2837 global symbol which is defined in an object we are
2838 including in the link (i.e., DEF_REGULAR is set). At
2839 this point we have not seen all the input files, so it is
2840 possible that DEF_REGULAR is not set now but will be set
2841 later (it is never cleared). In case of a weak definition,
2842 DEF_REGULAR may be cleared later by a strong definition in
2843 a shared library. We account for that possibility below by
2844 storing information in the relocs_copied field of the hash
2845 table entry. A similar situation occurs when creating
2846 shared libraries and symbol visibility changes render the
2847 symbol local.
2848
2849 If on the other hand, we are creating an executable, we
2850 may need to keep relocations for symbols satisfied by a
2851 dynamic library if we manage to avoid copy relocs for the
2852 symbol. */
2853 if ((bfd_link_pic (info) || elf32_tic6x_using_dsbt (abfd))
2854 && (sec->flags & SEC_ALLOC) != 0)
2855 {
2856 struct elf_dyn_relocs *p;
2857 struct elf_dyn_relocs **head;
2858
2859 /* We must copy these reloc types into the output file.
2860 Create a reloc section in dynobj and make room for
2861 this reloc. */
2862 if (sreloc == NULL)
2863 {
2864 if (htab->elf.dynobj == NULL)
2865 htab->elf.dynobj = abfd;
2866
2867 sreloc = _bfd_elf_make_dynamic_reloc_section
2868 (sec, htab->elf.dynobj, 2, abfd, /*rela? */ TRUE);
2869
2870 if (sreloc == NULL)
2871 return FALSE;
2872 }
2873
2874 /* If this is a global symbol, we count the number of
2875 relocations we need for this symbol. */
2876 if (h != NULL)
2877 {
2878 head = &((struct elf32_tic6x_link_hash_entry *) h)->dyn_relocs;
2879 }
2880 else
2881 {
2882 /* Track dynamic relocs needed for local syms too.
2883 We really need local syms available to do this
2884 easily. Oh well. */
2885 void **vpp;
2886 asection *s;
2887
2888 s = bfd_section_from_elf_index (abfd, isym->st_shndx);
2889 if (s == NULL)
2890 s = sec;
2891
2892 vpp = &elf_section_data (s)->local_dynrel;
2893 head = (struct elf_dyn_relocs **)vpp;
2894 }
2895
2896 p = *head;
2897 if (p == NULL || p->sec != sec)
2898 {
2899 bfd_size_type amt = sizeof *p;
2900 p = bfd_alloc (htab->elf.dynobj, amt);
2901 if (p == NULL)
2902 return FALSE;
2903 p->next = *head;
2904 *head = p;
2905 p->sec = sec;
2906 p->count = 0;
2907 p->pc_count = 0;
2908 }
2909
2910 p->count += 1;
2911 if (r_type == R_C6000_DSBT_INDEX)
2912 p->pc_count += 1;
2913 }
2914 break;
2915
2916 case R_C6000_SBR_U15_B:
2917 case R_C6000_SBR_U15_H:
2918 case R_C6000_SBR_U15_W:
2919 case R_C6000_SBR_S16:
2920 case R_C6000_SBR_L16_B:
2921 case R_C6000_SBR_L16_H:
2922 case R_C6000_SBR_L16_W:
2923 case R_C6000_SBR_H16_B:
2924 case R_C6000_SBR_H16_H:
2925 case R_C6000_SBR_H16_W:
2926 if (h != NULL && bfd_link_executable (info))
2927 {
2928 /* For B14-relative addresses, we might need a copy
2929 reloc. */
2930 h->non_got_ref = 1;
2931 }
2932 break;
2933
2934 default:
2935 break;
2936 }
2937 }
2938
2939 return TRUE;
2940 }
2941
2942 static bfd_boolean
2943 elf32_tic6x_add_symbol_hook (bfd *abfd,
2944 struct bfd_link_info *info ATTRIBUTE_UNUSED,
2945 Elf_Internal_Sym *sym,
2946 const char **namep ATTRIBUTE_UNUSED,
2947 flagword *flagsp ATTRIBUTE_UNUSED,
2948 asection **secp,
2949 bfd_vma *valp)
2950 {
2951 switch (sym->st_shndx)
2952 {
2953 case SHN_TIC6X_SCOMMON:
2954 *secp = bfd_make_section_old_way (abfd, ".scommon");
2955 (*secp)->flags |= SEC_IS_COMMON;
2956 *valp = sym->st_size;
2957 (void) bfd_set_section_alignment (abfd, *secp, bfd_log2 (sym->st_value));
2958 break;
2959 }
2960
2961 return TRUE;
2962 }
2963
2964 static void
2965 elf32_tic6x_symbol_processing (bfd *abfd ATTRIBUTE_UNUSED, asymbol *asym)
2966 {
2967 elf_symbol_type *elfsym;
2968
2969 elfsym = (elf_symbol_type *) asym;
2970 switch (elfsym->internal_elf_sym.st_shndx)
2971 {
2972 case SHN_TIC6X_SCOMMON:
2973 if (tic6x_elf_scom_section.name == NULL)
2974 {
2975 /* Initialize the small common section. */
2976 tic6x_elf_scom_section.name = ".scommon";
2977 tic6x_elf_scom_section.flags = SEC_IS_COMMON;
2978 tic6x_elf_scom_section.output_section = &tic6x_elf_scom_section;
2979 tic6x_elf_scom_section.symbol = &tic6x_elf_scom_symbol;
2980 tic6x_elf_scom_section.symbol_ptr_ptr = &tic6x_elf_scom_symbol_ptr;
2981 tic6x_elf_scom_symbol.name = ".scommon";
2982 tic6x_elf_scom_symbol.flags = BSF_SECTION_SYM;
2983 tic6x_elf_scom_symbol.section = &tic6x_elf_scom_section;
2984 tic6x_elf_scom_symbol_ptr = &tic6x_elf_scom_symbol;
2985 }
2986 asym->section = &tic6x_elf_scom_section;
2987 asym->value = elfsym->internal_elf_sym.st_size;
2988 break;
2989 }
2990 }
2991
2992 static int
2993 elf32_tic6x_link_output_symbol_hook (struct bfd_link_info *info ATTRIBUTE_UNUSED,
2994 const char *name ATTRIBUTE_UNUSED,
2995 Elf_Internal_Sym *sym,
2996 asection *input_sec,
2997 struct elf_link_hash_entry *h ATTRIBUTE_UNUSED)
2998 {
2999 /* If we see a common symbol, which implies a relocatable link, then
3000 if a symbol was small common in an input file, mark it as small
3001 common in the output file. */
3002 if (sym->st_shndx == SHN_COMMON && strcmp (input_sec->name, ".scommon") == 0)
3003 sym->st_shndx = SHN_TIC6X_SCOMMON;
3004
3005 return 1;
3006 }
3007
3008 static bfd_boolean
3009 elf32_tic6x_section_from_bfd_section (bfd *abfd ATTRIBUTE_UNUSED,
3010 asection *sec,
3011 int *retval)
3012 {
3013 if (strcmp (bfd_get_section_name (abfd, sec), ".scommon") == 0)
3014 {
3015 *retval = SHN_TIC6X_SCOMMON;
3016 return TRUE;
3017 }
3018
3019 return FALSE;
3020 }
3021
3022 /* Allocate space in .plt, .got and associated reloc sections for
3023 dynamic relocs. */
3024
3025 static bfd_boolean
3026 elf32_tic6x_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
3027 {
3028 struct bfd_link_info *info;
3029 struct elf32_tic6x_link_hash_table *htab;
3030 struct elf32_tic6x_link_hash_entry *eh;
3031 struct elf_dyn_relocs *p;
3032
3033 if (h->root.type == bfd_link_hash_indirect)
3034 return TRUE;
3035
3036 eh = (struct elf32_tic6x_link_hash_entry *) h;
3037 info = (struct bfd_link_info *) inf;
3038 htab = elf32_tic6x_hash_table (info);
3039
3040 if (htab->elf.dynamic_sections_created && h->plt.refcount > 0)
3041 {
3042 /* Make sure this symbol is output as a dynamic symbol.
3043 Undefined weak syms won't yet be marked as dynamic. */
3044 if (h->dynindx == -1 && !h->forced_local)
3045 {
3046 if (! bfd_elf_link_record_dynamic_symbol (info, h))
3047 return FALSE;
3048 }
3049
3050 if (bfd_link_pic (info)
3051 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h))
3052 {
3053 asection *s = htab->elf.splt;
3054
3055 /* If this is the first .plt entry, make room for the special
3056 first entry. */
3057 if (s->size == 0)
3058 s->size += PLT_ENTRY_SIZE;
3059
3060 h->plt.offset = s->size;
3061
3062 /* If this symbol is not defined in a regular file, and we are
3063 not generating a shared library, then set the symbol to this
3064 location in the .plt. This is required to make function
3065 pointers compare as equal between the normal executable and
3066 the shared library. */
3067 if (! bfd_link_pic (info) && !h->def_regular)
3068 {
3069 h->root.u.def.section = s;
3070 h->root.u.def.value = h->plt.offset;
3071 }
3072
3073 /* Make room for this entry. */
3074 s->size += PLT_ENTRY_SIZE;
3075 /* We also need to make an entry in the .got.plt section, which
3076 will be placed in the .got section by the linker script. */
3077 htab->elf.sgotplt->size += 4;
3078 /* We also need to make an entry in the .rel.plt section. */
3079 htab->elf.srelplt->size += sizeof (Elf32_External_Rela);
3080 }
3081 else
3082 {
3083 h->plt.offset = (bfd_vma) -1;
3084 h->needs_plt = 0;
3085 }
3086 }
3087 else
3088 {
3089 h->plt.offset = (bfd_vma) -1;
3090 h->needs_plt = 0;
3091 }
3092
3093 if (h->got.refcount > 0)
3094 {
3095 asection *s;
3096
3097 /* Make sure this symbol is output as a dynamic symbol.
3098 Undefined weak syms won't yet be marked as dynamic. */
3099 if (h->dynindx == -1
3100 && !h->forced_local)
3101 {
3102 if (! bfd_elf_link_record_dynamic_symbol (info, h))
3103 return FALSE;
3104 }
3105
3106 s = htab->elf.sgot;
3107 h->got.offset = s->size;
3108 s->size += 4;
3109
3110 if (!(ELF_ST_VISIBILITY (h->other)
3111 && h->root.type == bfd_link_hash_undefweak))
3112 htab->elf.srelgot->size += sizeof (Elf32_External_Rela);
3113 }
3114 else
3115 h->got.offset = (bfd_vma) -1;
3116
3117 if (eh->dyn_relocs == NULL)
3118 return TRUE;
3119
3120 /* Discard relocs on undefined weak syms with non-default
3121 visibility. */
3122 if (bfd_link_pic (info) || elf32_tic6x_using_dsbt (htab->obfd))
3123 {
3124 /* We use the pc_count field to hold the number of
3125 R_C6000_DSBT_INDEX relocs. */
3126 if (htab->params.dsbt_index != 0)
3127 {
3128 struct elf_dyn_relocs **pp;
3129
3130 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
3131 {
3132 p->count -= p->pc_count;
3133 p->pc_count = 0;
3134 if (p->count == 0)
3135 *pp = p->next;
3136 else
3137 pp = &p->next;
3138 }
3139 }
3140
3141 if (eh->dyn_relocs != NULL
3142 && h->root.type == bfd_link_hash_undefweak)
3143 {
3144 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
3145 eh->dyn_relocs = NULL;
3146
3147 /* Make sure undefined weak symbols are output as a dynamic
3148 symbol in PIEs. */
3149 else if (h->dynindx == -1
3150 && !h->forced_local)
3151 {
3152 if (! bfd_elf_link_record_dynamic_symbol (info, h))
3153 return FALSE;
3154 }
3155 }
3156 }
3157
3158 /* Finally, allocate space. */
3159 for (p = eh->dyn_relocs; p != NULL; p = p->next)
3160 {
3161 asection *sreloc;
3162
3163 sreloc = elf_section_data (p->sec)->sreloc;
3164
3165 BFD_ASSERT (sreloc != NULL);
3166 sreloc->size += p->count * sizeof (Elf32_External_Rela);
3167 }
3168
3169 return TRUE;
3170 }
3171
3172 /* Find any dynamic relocs that apply to read-only sections. */
3173
3174 static bfd_boolean
3175 elf32_tic6x_readonly_dynrelocs (struct elf_link_hash_entry *h, void *inf)
3176 {
3177 struct elf32_tic6x_link_hash_entry *eh;
3178 struct elf_dyn_relocs *p;
3179
3180 eh = (struct elf32_tic6x_link_hash_entry *) h;
3181 for (p = eh->dyn_relocs; p != NULL; p = p->next)
3182 {
3183 asection *s = p->sec->output_section;
3184
3185 if (s != NULL && (s->flags & SEC_READONLY) != 0)
3186 {
3187 struct bfd_link_info *info = (struct bfd_link_info *) inf;
3188
3189 info->flags |= DF_TEXTREL;
3190
3191 /* Not an error, just cut short the traversal. */
3192 return FALSE;
3193 }
3194 }
3195 return TRUE;
3196 }
3197
3198 /* Set the sizes of the dynamic sections. */
3199
3200 static bfd_boolean
3201 elf32_tic6x_size_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
3202 {
3203 struct elf32_tic6x_link_hash_table *htab;
3204 bfd *dynobj;
3205 asection *s;
3206 bfd_boolean relocs;
3207 bfd *ibfd;
3208
3209 htab = elf32_tic6x_hash_table (info);
3210 dynobj = htab->elf.dynobj;
3211 if (dynobj == NULL)
3212 abort ();
3213
3214 if (htab->elf.dynamic_sections_created)
3215 {
3216 /* Set the contents of the .interp section to the interpreter. */
3217 if (bfd_link_executable (info) && !info->nointerp)
3218 {
3219 s = bfd_get_linker_section (dynobj, ".interp");
3220 if (s == NULL)
3221 abort ();
3222 s->size = sizeof ELF_DYNAMIC_INTERPRETER;
3223 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
3224 }
3225 }
3226
3227 /* Set up .got offsets for local syms, and space for local dynamic
3228 relocs. */
3229 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
3230 {
3231 bfd_signed_vma *local_got;
3232 bfd_signed_vma *end_local_got;
3233 bfd_size_type locsymcount;
3234 Elf_Internal_Shdr *symtab_hdr;
3235 asection *srel;
3236
3237 for (s = ibfd->sections; s != NULL; s = s->next)
3238 {
3239 struct elf_dyn_relocs *p;
3240
3241 for (p = ((struct elf_dyn_relocs *)
3242 elf_section_data (s)->local_dynrel);
3243 p != NULL;
3244 p = p->next)
3245 {
3246 if (!bfd_is_abs_section (p->sec)
3247 && bfd_is_abs_section (p->sec->output_section))
3248 {
3249 /* Input section has been discarded, either because
3250 it is a copy of a linkonce section or due to
3251 linker script /DISCARD/, so we'll be discarding
3252 the relocs too. */
3253 }
3254 else if (p->count != 0)
3255 {
3256 srel = elf_section_data (p->sec)->sreloc;
3257 srel->size += p->count * sizeof (Elf32_External_Rela);
3258 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
3259 info->flags |= DF_TEXTREL;
3260 }
3261 }
3262 }
3263
3264 local_got = elf_local_got_refcounts (ibfd);
3265 if (!local_got)
3266 continue;
3267
3268 symtab_hdr = &elf_symtab_hdr (ibfd);
3269 locsymcount = symtab_hdr->sh_info;
3270 end_local_got = local_got + locsymcount;
3271 s = htab->elf.sgot;
3272 srel = htab->elf.srelgot;
3273 for (; local_got < end_local_got; ++local_got)
3274 {
3275 if (*local_got > 0)
3276 {
3277 *local_got = s->size;
3278 s->size += 4;
3279
3280 if (bfd_link_pic (info) || elf32_tic6x_using_dsbt (output_bfd))
3281 {
3282 srel->size += sizeof (Elf32_External_Rela);
3283 }
3284 }
3285 else
3286 *local_got = (bfd_vma) -1;
3287 }
3288 }
3289
3290 /* Allocate global sym .plt and .got entries, and space for global
3291 sym dynamic relocs. */
3292 elf_link_hash_traverse (&htab->elf, elf32_tic6x_allocate_dynrelocs, info);
3293
3294 /* We now have determined the sizes of the various dynamic sections.
3295 Allocate memory for them. */
3296 relocs = FALSE;
3297 for (s = dynobj->sections; s != NULL; s = s->next)
3298 {
3299 bfd_boolean strip_section = TRUE;
3300
3301 if ((s->flags & SEC_LINKER_CREATED) == 0)
3302 continue;
3303
3304 if (s == htab->dsbt)
3305 s->size = 4 * htab->params.dsbt_size;
3306 else if (s == htab->elf.splt
3307 || s == htab->elf.sgot
3308 || s == htab->elf.sgotplt
3309 || s == htab->elf.sdynbss
3310 || s == htab->elf.sdynrelro)
3311 {
3312 /* Strip this section if we don't need it; see the
3313 comment below. */
3314 /* We'd like to strip these sections if they aren't needed, but if
3315 we've exported dynamic symbols from them we must leave them.
3316 It's too late to tell BFD to get rid of the symbols. */
3317
3318 if (htab->elf.hplt != NULL)
3319 strip_section = FALSE;
3320
3321 /* Round up the size of the PLT section to a multiple of 32. */
3322 if (s == htab->elf.splt && s->size > 0)
3323 s->size = (s->size + 31) & ~(bfd_vma)31;
3324 }
3325 else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rela"))
3326 {
3327 if (s->size != 0
3328 && s != htab->elf.srelplt)
3329 relocs = TRUE;
3330
3331 /* We use the reloc_count field as a counter if we need
3332 to copy relocs into the output file. */
3333 s->reloc_count = 0;
3334 }
3335 else
3336 {
3337 /* It's not one of our sections, so don't allocate space. */
3338 continue;
3339 }
3340
3341 if (s->size == 0)
3342 {
3343 /* If we don't need this section, strip it from the
3344 output file. This is mostly to handle .rel.bss and
3345 .rel.plt. We must create both sections in
3346 create_dynamic_sections, because they must be created
3347 before the linker maps input sections to output
3348 sections. The linker does that before
3349 adjust_dynamic_symbol is called, and it is that
3350 function which decides whether anything needs to go
3351 into these sections. */
3352 if (strip_section)
3353 s->flags |= SEC_EXCLUDE;
3354 continue;
3355 }
3356
3357 if ((s->flags & SEC_HAS_CONTENTS) == 0)
3358 continue;
3359
3360 /* Allocate memory for the section contents. We use bfd_zalloc
3361 here in case unused entries are not reclaimed before the
3362 section's contents are written out. This should not happen,
3363 but this way if it does, we get a R_C6000_NONE reloc instead
3364 of garbage. */
3365 s->contents = bfd_zalloc (dynobj, s->size);
3366 if (s->contents == NULL)
3367 return FALSE;
3368 }
3369
3370 if (htab->elf.dynamic_sections_created)
3371 {
3372 /* Add some entries to the .dynamic section. We fill in the
3373 values later, in elf32_tic6x_finish_dynamic_sections, but we
3374 must add the entries now so that we get the correct size for
3375 the .dynamic section. The DT_DEBUG entry is filled in by the
3376 dynamic linker and used by the debugger. */
3377 #define add_dynamic_entry(TAG, VAL) \
3378 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
3379
3380 if (bfd_link_executable (info))
3381 {
3382 if (!add_dynamic_entry (DT_DEBUG, 0))
3383 return FALSE;
3384 }
3385
3386 if (!add_dynamic_entry (DT_C6000_DSBT_BASE, 0)
3387 || !add_dynamic_entry (DT_C6000_DSBT_SIZE, htab->params.dsbt_size)
3388 || !add_dynamic_entry (DT_C6000_DSBT_INDEX,
3389 htab->params.dsbt_index))
3390 return FALSE;
3391
3392 if (htab->elf.splt->size != 0)
3393 {
3394 if (!add_dynamic_entry (DT_PLTGOT, 0)
3395 || !add_dynamic_entry (DT_PLTRELSZ, 0)
3396 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
3397 || !add_dynamic_entry (DT_JMPREL, 0))
3398 return FALSE;
3399 }
3400
3401 if (relocs)
3402 {
3403 if (!add_dynamic_entry (DT_RELA, 0)
3404 || !add_dynamic_entry (DT_RELASZ, 0)
3405 || !add_dynamic_entry (DT_RELAENT, sizeof (Elf32_External_Rela)))
3406 return FALSE;
3407
3408 /* If any dynamic relocs apply to a read-only section,
3409 then we need a DT_TEXTREL entry. */
3410 if ((info->flags & DF_TEXTREL) == 0)
3411 elf_link_hash_traverse (&htab->elf,
3412 elf32_tic6x_readonly_dynrelocs, info);
3413
3414 if ((info->flags & DF_TEXTREL) != 0)
3415 {
3416 if (!add_dynamic_entry (DT_TEXTREL, 0))
3417 return FALSE;
3418 }
3419 }
3420 }
3421 #undef add_dynamic_entry
3422
3423 return TRUE;
3424 }
3425
3426 /* This function is called after all the input files have been read,
3427 and the input sections have been assigned to output sections. */
3428
3429 static bfd_boolean
3430 elf32_tic6x_always_size_sections (bfd *output_bfd, struct bfd_link_info *info)
3431 {
3432 if (elf32_tic6x_using_dsbt (output_bfd) && !bfd_link_relocatable (info)
3433 && !bfd_elf_stack_segment_size (output_bfd, info,
3434 "__stacksize", DEFAULT_STACK_SIZE))
3435 return FALSE;
3436
3437 return TRUE;
3438 }
3439
3440 static bfd_boolean
3441 elf32_tic6x_finish_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
3442 struct bfd_link_info *info)
3443 {
3444 struct elf32_tic6x_link_hash_table *htab;
3445 bfd *dynobj;
3446 asection *sdyn;
3447
3448 htab = elf32_tic6x_hash_table (info);
3449 dynobj = htab->elf.dynobj;
3450 sdyn = bfd_get_linker_section (dynobj, ".dynamic");
3451
3452 if (elf_hash_table (info)->dynamic_sections_created)
3453 {
3454 Elf32_External_Dyn * dyncon;
3455 Elf32_External_Dyn * dynconend;
3456
3457 BFD_ASSERT (sdyn != NULL);
3458
3459 dyncon = (Elf32_External_Dyn *) sdyn->contents;
3460 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
3461
3462 for (; dyncon < dynconend; dyncon++)
3463 {
3464 Elf_Internal_Dyn dyn;
3465 asection *s;
3466
3467 bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
3468
3469 switch (dyn.d_tag)
3470 {
3471 default:
3472 break;
3473
3474 case DT_C6000_DSBT_BASE:
3475 s = htab->dsbt;
3476 dyn.d_un.d_ptr = (s->output_section->vma + s->output_offset);
3477 break;
3478
3479 case DT_PLTGOT:
3480 s = htab->elf.sgotplt;
3481 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
3482 break;
3483
3484 case DT_JMPREL:
3485 s = htab->elf.srelplt;
3486 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
3487 break;
3488
3489 case DT_PLTRELSZ:
3490 s = htab->elf.srelplt;
3491 dyn.d_un.d_val = s->size;
3492 break;
3493 }
3494 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
3495 }
3496
3497 /* Fill in the first entry in the procedure linkage table. */
3498 if (htab->elf.splt && htab->elf.splt->size > 0)
3499 {
3500 bfd_vma got_offs = (htab->elf.sgotplt->output_section->vma
3501 + htab->elf.sgotplt->output_offset
3502 - htab->dsbt->output_section->vma
3503 - htab->dsbt->output_offset) / 4;
3504
3505 /* ldw .D2T2 *+b14[$GOT(0)],b2 */
3506 bfd_put_32 (output_bfd, got_offs << 8 | 0x0100006e,
3507 htab->elf.splt->contents);
3508 /* ldw .D2T2 *+b14[$GOT(4)],b1 */
3509 bfd_put_32 (output_bfd, (got_offs + 1) << 8 | 0x0080006e,
3510 htab->elf.splt->contents + 4);
3511 /* nop 3 */
3512 bfd_put_32 (output_bfd, 0x00004000,
3513 htab->elf.splt->contents + 8);
3514 /* b .s2 b2 */
3515 bfd_put_32 (output_bfd, 0x00080362,
3516 htab->elf.splt->contents + 12);
3517 /* nop 5 */
3518 bfd_put_32 (output_bfd, 0x00008000,
3519 htab->elf.splt->contents + 16);
3520
3521 elf_section_data (htab->elf.splt->output_section)
3522 ->this_hdr.sh_entsize = PLT_ENTRY_SIZE;
3523 }
3524 }
3525
3526 return TRUE;
3527 }
3528
3529 /* Return address for Ith PLT stub in section PLT, for relocation REL
3530 or (bfd_vma) -1 if it should not be included. */
3531
3532 static bfd_vma
3533 elf32_tic6x_plt_sym_val (bfd_vma i, const asection *plt,
3534 const arelent *rel ATTRIBUTE_UNUSED)
3535 {
3536 return plt->vma + (i + 1) * PLT_ENTRY_SIZE;
3537 }
3538
3539 static int
3540 elf32_tic6x_obj_attrs_arg_type (int tag)
3541 {
3542 if (tag == Tag_ABI_compatibility)
3543 return ATTR_TYPE_FLAG_INT_VAL | ATTR_TYPE_FLAG_STR_VAL;
3544 else if (tag & 1)
3545 return ATTR_TYPE_FLAG_STR_VAL;
3546 else
3547 return ATTR_TYPE_FLAG_INT_VAL;
3548 }
3549
3550 static int
3551 elf32_tic6x_obj_attrs_order (int num)
3552 {
3553 if (num == LEAST_KNOWN_OBJ_ATTRIBUTE)
3554 return Tag_ABI_conformance;
3555 if ((num - 1) < Tag_ABI_conformance)
3556 return num - 1;
3557 return num;
3558 }
3559
3560 static bfd_boolean
3561 elf32_tic6x_obj_attrs_handle_unknown (bfd *abfd, int tag)
3562 {
3563 if ((tag & 127) < 64)
3564 {
3565 _bfd_error_handler
3566 /* xgettext:c-format */
3567 (_("%B: error: unknown mandatory EABI object attribute %d"),
3568 abfd, tag);
3569 bfd_set_error (bfd_error_bad_value);
3570 return FALSE;
3571 }
3572 else
3573 {
3574 _bfd_error_handler
3575 /* xgettext:c-format */
3576 (_("%B: warning: unknown EABI object attribute %d"),
3577 abfd, tag);
3578 return TRUE;
3579 }
3580 }
3581
3582 /* Merge the Tag_ISA attribute values ARCH1 and ARCH2
3583 and return the merged value. At present, all merges succeed, so no
3584 return value for errors is defined. */
3585
3586 int
3587 elf32_tic6x_merge_arch_attributes (int arch1, int arch2)
3588 {
3589 int min_arch, max_arch;
3590
3591 min_arch = (arch1 < arch2 ? arch1 : arch2);
3592 max_arch = (arch1 > arch2 ? arch1 : arch2);
3593
3594 /* In most cases, the numerically greatest value is the correct
3595 merged value, but merging C64 and C67 results in C674X. */
3596 if ((min_arch == C6XABI_Tag_ISA_C67X
3597 || min_arch == C6XABI_Tag_ISA_C67XP)
3598 && (max_arch == C6XABI_Tag_ISA_C64X
3599 || max_arch == C6XABI_Tag_ISA_C64XP))
3600 return C6XABI_Tag_ISA_C674X;
3601
3602 return max_arch;
3603 }
3604
3605 /* Convert a Tag_ABI_array_object_alignment or
3606 Tag_ABI_array_object_align_expected tag value TAG to a
3607 corresponding alignment value; return the alignment, or -1 for an
3608 unknown tag value. */
3609
3610 static int
3611 elf32_tic6x_tag_to_array_alignment (int tag)
3612 {
3613 switch (tag)
3614 {
3615 case 0:
3616 return 8;
3617
3618 case 1:
3619 return 4;
3620
3621 case 2:
3622 return 16;
3623
3624 default:
3625 return -1;
3626 }
3627 }
3628
3629 /* Convert a Tag_ABI_array_object_alignment or
3630 Tag_ABI_array_object_align_expected alignment ALIGN to a
3631 corresponding tag value; return the tag value. */
3632
3633 static int
3634 elf32_tic6x_array_alignment_to_tag (int align)
3635 {
3636 switch (align)
3637 {
3638 case 8:
3639 return 0;
3640
3641 case 4:
3642 return 1;
3643
3644 case 16:
3645 return 2;
3646
3647 default:
3648 abort ();
3649 }
3650 }
3651
3652 /* Merge attributes from IBFD and OBFD, returning TRUE if the merge
3653 succeeded, FALSE otherwise. */
3654
3655 static bfd_boolean
3656 elf32_tic6x_merge_attributes (bfd *ibfd, struct bfd_link_info *info)
3657 {
3658 bfd *obfd = info->output_bfd;
3659 bfd_boolean result = TRUE;
3660 obj_attribute *in_attr;
3661 obj_attribute *out_attr;
3662 int i;
3663 int array_align_in, array_align_out, array_expect_in, array_expect_out;
3664
3665 if (!elf_known_obj_attributes_proc (obfd)[0].i)
3666 {
3667 /* This is the first object. Copy the attributes. */
3668 _bfd_elf_copy_obj_attributes (ibfd, obfd);
3669
3670 out_attr = elf_known_obj_attributes_proc (obfd);
3671
3672 /* Use the Tag_null value to indicate the attributes have been
3673 initialized. */
3674 out_attr[0].i = 1;
3675
3676 return TRUE;
3677 }
3678
3679 in_attr = elf_known_obj_attributes_proc (ibfd);
3680 out_attr = elf_known_obj_attributes_proc (obfd);
3681
3682 /* No specification yet for handling of unknown attributes, so just
3683 ignore them and handle known ones. */
3684
3685 if (out_attr[Tag_ABI_stack_align_preserved].i
3686 < in_attr[Tag_ABI_stack_align_needed].i)
3687 {
3688 _bfd_error_handler
3689 /* xgettext:c-format */
3690 (_("error: %B requires more stack alignment than %B preserves"),
3691 ibfd, obfd);
3692 result = FALSE;
3693 }
3694 if (in_attr[Tag_ABI_stack_align_preserved].i
3695 < out_attr[Tag_ABI_stack_align_needed].i)
3696 {
3697 _bfd_error_handler
3698 /* xgettext:c-format */
3699 (_("error: %B requires more stack alignment than %B preserves"),
3700 obfd, ibfd);
3701 result = FALSE;
3702 }
3703
3704 array_align_in = elf32_tic6x_tag_to_array_alignment
3705 (in_attr[Tag_ABI_array_object_alignment].i);
3706 if (array_align_in == -1)
3707 {
3708 _bfd_error_handler
3709 (_("error: unknown Tag_ABI_array_object_alignment value in %B"),
3710 ibfd);
3711 result = FALSE;
3712 }
3713 array_align_out = elf32_tic6x_tag_to_array_alignment
3714 (out_attr[Tag_ABI_array_object_alignment].i);
3715 if (array_align_out == -1)
3716 {
3717 _bfd_error_handler
3718 (_("error: unknown Tag_ABI_array_object_alignment value in %B"),
3719 obfd);
3720 result = FALSE;
3721 }
3722 array_expect_in = elf32_tic6x_tag_to_array_alignment
3723 (in_attr[Tag_ABI_array_object_align_expected].i);
3724 if (array_expect_in == -1)
3725 {
3726 _bfd_error_handler
3727 (_("error: unknown Tag_ABI_array_object_align_expected value in %B"),
3728 ibfd);
3729 result = FALSE;
3730 }
3731 array_expect_out = elf32_tic6x_tag_to_array_alignment
3732 (out_attr[Tag_ABI_array_object_align_expected].i);
3733 if (array_expect_out == -1)
3734 {
3735 _bfd_error_handler
3736 (_("error: unknown Tag_ABI_array_object_align_expected value in %B"),
3737 obfd);
3738 result = FALSE;
3739 }
3740
3741 if (array_align_out < array_expect_in)
3742 {
3743 _bfd_error_handler
3744 /* xgettext:c-format */
3745 (_("error: %B requires more array alignment than %B preserves"),
3746 ibfd, obfd);
3747 result = FALSE;
3748 }
3749 if (array_align_in < array_expect_out)
3750 {
3751 _bfd_error_handler
3752 /* xgettext:c-format */
3753 (_("error: %B requires more array alignment than %B preserves"),
3754 obfd, ibfd);
3755 result = FALSE;
3756 }
3757
3758 for (i = LEAST_KNOWN_OBJ_ATTRIBUTE; i < NUM_KNOWN_OBJ_ATTRIBUTES; i++)
3759 {
3760 switch (i)
3761 {
3762 case Tag_ISA:
3763 out_attr[i].i = elf32_tic6x_merge_arch_attributes (in_attr[i].i,
3764 out_attr[i].i);
3765 break;
3766
3767 case Tag_ABI_wchar_t:
3768 if (out_attr[i].i == 0)
3769 out_attr[i].i = in_attr[i].i;
3770 if (out_attr[i].i != 0
3771 && in_attr[i].i != 0
3772 && out_attr[i].i != in_attr[i].i)
3773 {
3774 _bfd_error_handler
3775 /* xgettext:c-format */
3776 (_("warning: %B and %B differ in wchar_t size"), obfd, ibfd);
3777 }
3778 break;
3779
3780 case Tag_ABI_stack_align_needed:
3781 if (out_attr[i].i < in_attr[i].i)
3782 out_attr[i].i = in_attr[i].i;
3783 break;
3784
3785 case Tag_ABI_stack_align_preserved:
3786 if (out_attr[i].i > in_attr[i].i)
3787 out_attr[i].i = in_attr[i].i;
3788 break;
3789
3790 case Tag_ABI_DSBT:
3791 if (out_attr[i].i != in_attr[i].i)
3792 {
3793 _bfd_error_handler
3794 /* xgettext:c-format */
3795 (_("warning: %B and %B differ in whether code is "
3796 "compiled for DSBT"),
3797 obfd, ibfd);
3798 }
3799 break;
3800
3801 case Tag_ABI_PIC:
3802 case Tag_ABI_PID:
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_array_object_alignment:
3808 if (array_align_out != -1
3809 && array_align_in != -1
3810 && array_align_out > array_align_in)
3811 out_attr[i].i
3812 = elf32_tic6x_array_alignment_to_tag (array_align_in);
3813 break;
3814
3815 case Tag_ABI_array_object_align_expected:
3816 if (array_expect_out != -1
3817 && array_expect_in != -1
3818 && array_expect_out < array_expect_in)
3819 out_attr[i].i
3820 = elf32_tic6x_array_alignment_to_tag (array_expect_in);
3821 break;
3822
3823 case Tag_ABI_conformance:
3824 /* Merging for this attribute is not specified. As on ARM,
3825 treat a missing attribute as no claim to conform and only
3826 merge identical values. */
3827 if (out_attr[i].s == NULL
3828 || in_attr[i].s == NULL
3829 || strcmp (out_attr[i].s,
3830 in_attr[i].s) != 0)
3831 out_attr[i].s = NULL;
3832 break;
3833
3834 case Tag_ABI_compatibility:
3835 /* Merged in _bfd_elf_merge_object_attributes. */
3836 break;
3837
3838 default:
3839 result
3840 = result && _bfd_elf_merge_unknown_attribute_low (ibfd, obfd, i);
3841 break;
3842 }
3843
3844 if (in_attr[i].type && !out_attr[i].type)
3845 out_attr[i].type = in_attr[i].type;
3846 }
3847
3848 /* Merge Tag_ABI_compatibility attributes and any common GNU ones. */
3849 if (!_bfd_elf_merge_object_attributes (ibfd, info))
3850 return FALSE;
3851
3852 result &= _bfd_elf_merge_unknown_attribute_list (ibfd, obfd);
3853
3854 return result;
3855 }
3856
3857 static bfd_boolean
3858 elf32_tic6x_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
3859 {
3860 if (!_bfd_generic_verify_endian_match (ibfd, info))
3861 return FALSE;
3862
3863 if (! is_tic6x_elf (ibfd) || ! is_tic6x_elf (info->output_bfd))
3864 return TRUE;
3865
3866 if (!elf32_tic6x_merge_attributes (ibfd, info))
3867 return FALSE;
3868
3869 return TRUE;
3870 }
3871
3872 /* Add a new unwind edit to the list described by HEAD, TAIL. If TINDEX is zero,
3873 adds the edit to the start of the list. (The list must be built in order of
3874 ascending TINDEX: the function's callers are primarily responsible for
3875 maintaining that condition). */
3876
3877 static void
3878 elf32_tic6x_add_unwind_table_edit (tic6x_unwind_table_edit **head,
3879 tic6x_unwind_table_edit **tail,
3880 tic6x_unwind_edit_type type,
3881 asection *linked_section,
3882 unsigned int tindex)
3883 {
3884 tic6x_unwind_table_edit *new_edit = (tic6x_unwind_table_edit *)
3885 xmalloc (sizeof (tic6x_unwind_table_edit));
3886
3887 new_edit->type = type;
3888 new_edit->linked_section = linked_section;
3889 new_edit->index = tindex;
3890
3891 if (tindex > 0)
3892 {
3893 new_edit->next = NULL;
3894
3895 if (*tail)
3896 (*tail)->next = new_edit;
3897
3898 (*tail) = new_edit;
3899
3900 if (!*head)
3901 (*head) = new_edit;
3902 }
3903 else
3904 {
3905 new_edit->next = *head;
3906
3907 if (!*tail)
3908 *tail = new_edit;
3909
3910 *head = new_edit;
3911 }
3912 }
3913
3914 static _tic6x_elf_section_data *
3915 get_tic6x_elf_section_data (asection * sec)
3916 {
3917 if (sec && sec->owner && is_tic6x_elf (sec->owner))
3918 return elf32_tic6x_section_data (sec);
3919 else
3920 return NULL;
3921 }
3922
3923
3924 /* Increase the size of EXIDX_SEC by ADJUST bytes. ADJUST must be negative. */
3925 static void
3926 elf32_tic6x_adjust_exidx_size (asection *exidx_sec, int adjust)
3927 {
3928 asection *out_sec;
3929
3930 if (!exidx_sec->rawsize)
3931 exidx_sec->rawsize = exidx_sec->size;
3932
3933 bfd_set_section_size (exidx_sec->owner, exidx_sec, exidx_sec->size + adjust);
3934 out_sec = exidx_sec->output_section;
3935 /* Adjust size of output section. */
3936 bfd_set_section_size (out_sec->owner, out_sec, out_sec->size +adjust);
3937 }
3938
3939 /* Insert an EXIDX_CANTUNWIND marker at the end of a section. */
3940 static void
3941 elf32_tic6x_insert_cantunwind_after (asection *text_sec, asection *exidx_sec)
3942 {
3943 struct _tic6x_elf_section_data *exidx_data;
3944
3945 exidx_data = get_tic6x_elf_section_data (exidx_sec);
3946 elf32_tic6x_add_unwind_table_edit (
3947 &exidx_data->u.exidx.unwind_edit_list,
3948 &exidx_data->u.exidx.unwind_edit_tail,
3949 INSERT_EXIDX_CANTUNWIND_AT_END, text_sec, UINT_MAX);
3950
3951 elf32_tic6x_adjust_exidx_size (exidx_sec, 8);
3952 }
3953
3954 /* Scan .cx6abi.exidx tables, and create a list describing edits which
3955 should be made to those tables, such that:
3956
3957 1. Regions without unwind data are marked with EXIDX_CANTUNWIND entries.
3958 2. Duplicate entries are merged together (EXIDX_CANTUNWIND, or unwind
3959 codes which have been inlined into the index).
3960
3961 If MERGE_EXIDX_ENTRIES is false, duplicate entries are not merged.
3962
3963 The edits are applied when the tables are written
3964 (in elf32_tic6x_write_section).
3965 */
3966
3967 bfd_boolean
3968 elf32_tic6x_fix_exidx_coverage (asection **text_section_order,
3969 unsigned int num_text_sections,
3970 struct bfd_link_info *info,
3971 bfd_boolean merge_exidx_entries)
3972 {
3973 bfd *inp;
3974 unsigned int last_second_word = 0, i;
3975 asection *last_exidx_sec = NULL;
3976 asection *last_text_sec = NULL;
3977 int last_unwind_type = -1;
3978
3979 /* Walk over all EXIDX sections, and create backlinks from the corrsponding
3980 text sections. */
3981 for (inp = info->input_bfds; inp != NULL; inp = inp->link.next)
3982 {
3983 asection *sec;
3984
3985 for (sec = inp->sections; sec != NULL; sec = sec->next)
3986 {
3987 struct bfd_elf_section_data *elf_sec = elf_section_data (sec);
3988 Elf_Internal_Shdr *hdr = &elf_sec->this_hdr;
3989
3990 if (!hdr || hdr->sh_type != SHT_C6000_UNWIND)
3991 continue;
3992
3993 if (elf_sec->linked_to)
3994 {
3995 Elf_Internal_Shdr *linked_hdr
3996 = &elf_section_data (elf_sec->linked_to)->this_hdr;
3997 struct _tic6x_elf_section_data *linked_sec_tic6x_data
3998 = get_tic6x_elf_section_data (linked_hdr->bfd_section);
3999
4000 if (linked_sec_tic6x_data == NULL)
4001 continue;
4002
4003 /* Link this .c6xabi.exidx section back from the
4004 text section it describes. */
4005 linked_sec_tic6x_data->u.text.tic6x_exidx_sec = sec;
4006 }
4007 }
4008 }
4009
4010 /* Walk all text sections in order of increasing VMA. Eilminate duplicate
4011 index table entries (EXIDX_CANTUNWIND and inlined unwind opcodes),
4012 and add EXIDX_CANTUNWIND entries for sections with no unwind table data. */
4013
4014 for (i = 0; i < num_text_sections; i++)
4015 {
4016 asection *sec = text_section_order[i];
4017 asection *exidx_sec;
4018 struct _tic6x_elf_section_data *tic6x_data
4019 = get_tic6x_elf_section_data (sec);
4020 struct _tic6x_elf_section_data *exidx_data;
4021 bfd_byte *contents = NULL;
4022 int deleted_exidx_bytes = 0;
4023 bfd_vma j;
4024 tic6x_unwind_table_edit *unwind_edit_head = NULL;
4025 tic6x_unwind_table_edit *unwind_edit_tail = NULL;
4026 Elf_Internal_Shdr *hdr;
4027 bfd *ibfd;
4028
4029 if (tic6x_data == NULL)
4030 continue;
4031
4032 exidx_sec = tic6x_data->u.text.tic6x_exidx_sec;
4033 if (exidx_sec == NULL)
4034 {
4035 /* Section has no unwind data. */
4036 if (last_unwind_type == 0 || !last_exidx_sec)
4037 continue;
4038
4039 /* Ignore zero sized sections. */
4040 if (sec->size == 0)
4041 continue;
4042
4043 elf32_tic6x_insert_cantunwind_after (last_text_sec, last_exidx_sec);
4044 last_unwind_type = 0;
4045 continue;
4046 }
4047
4048 /* Skip /DISCARD/ sections. */
4049 if (bfd_is_abs_section (exidx_sec->output_section))
4050 continue;
4051
4052 hdr = &elf_section_data (exidx_sec)->this_hdr;
4053 if (hdr->sh_type != SHT_C6000_UNWIND)
4054 continue;
4055
4056 exidx_data = get_tic6x_elf_section_data (exidx_sec);
4057 if (exidx_data == NULL)
4058 continue;
4059
4060 ibfd = exidx_sec->owner;
4061
4062 if (hdr->contents != NULL)
4063 contents = hdr->contents;
4064 else if (! bfd_malloc_and_get_section (ibfd, exidx_sec, &contents))
4065 /* An error? */
4066 continue;
4067
4068 for (j = 0; j < hdr->sh_size; j += 8)
4069 {
4070 unsigned int second_word = bfd_get_32 (ibfd, contents + j + 4);
4071 int unwind_type;
4072 int elide = 0;
4073
4074 /* An EXIDX_CANTUNWIND entry. */
4075 if (second_word == 1)
4076 {
4077 if (last_unwind_type == 0)
4078 elide = 1;
4079 unwind_type = 0;
4080 }
4081 /* Inlined unwinding data. Merge if equal to previous. */
4082 else if ((second_word & 0x80000000) != 0)
4083 {
4084 if (merge_exidx_entries
4085 && last_second_word == second_word
4086 && last_unwind_type == 1)
4087 elide = 1;
4088 unwind_type = 1;
4089 last_second_word = second_word;
4090 }
4091 /* Normal table entry. In theory we could merge these too,
4092 but duplicate entries are likely to be much less common. */
4093 else
4094 unwind_type = 2;
4095
4096 if (elide)
4097 {
4098 elf32_tic6x_add_unwind_table_edit (&unwind_edit_head,
4099 &unwind_edit_tail, DELETE_EXIDX_ENTRY, NULL, j / 8);
4100
4101 deleted_exidx_bytes += 8;
4102 }
4103
4104 last_unwind_type = unwind_type;
4105 }
4106
4107 /* Free contents if we allocated it ourselves. */
4108 if (contents != hdr->contents)
4109 free (contents);
4110
4111 /* Record edits to be applied later (in elf32_tic6x_write_section). */
4112 exidx_data->u.exidx.unwind_edit_list = unwind_edit_head;
4113 exidx_data->u.exidx.unwind_edit_tail = unwind_edit_tail;
4114
4115 if (deleted_exidx_bytes > 0)
4116 elf32_tic6x_adjust_exidx_size (exidx_sec, -deleted_exidx_bytes);
4117
4118 last_exidx_sec = exidx_sec;
4119 last_text_sec = sec;
4120 }
4121
4122 /* Add terminating CANTUNWIND entry. */
4123 if (last_exidx_sec && last_unwind_type != 0)
4124 elf32_tic6x_insert_cantunwind_after (last_text_sec, last_exidx_sec);
4125
4126 return TRUE;
4127 }
4128
4129 /* Add ADDEND to lower 31 bits of VAL, leaving other bits unmodified. */
4130
4131 static unsigned long
4132 elf32_tic6x_add_low31 (unsigned long val, bfd_vma addend)
4133 {
4134 return (val & ~0x7ffffffful) | ((val + addend) & 0x7ffffffful);
4135 }
4136
4137 /* Copy an .c6xabi.exidx table entry, adding OFFSET to (applied) PREL31
4138 relocations. OFFSET is in bytes, and will be scaled before encoding. */
4139
4140
4141 static void
4142 elf32_tic6x_copy_exidx_entry (bfd *output_bfd, bfd_byte *to, bfd_byte *from,
4143 bfd_vma offset)
4144 {
4145 unsigned long first_word = bfd_get_32 (output_bfd, from);
4146 unsigned long second_word = bfd_get_32 (output_bfd, from + 4);
4147
4148 offset >>= 1;
4149 /* High bit of first word is supposed to be zero. */
4150 if ((first_word & 0x80000000ul) == 0)
4151 first_word = elf32_tic6x_add_low31 (first_word, offset);
4152
4153 /* If the high bit of the first word is clear, and the bit pattern is not 0x1
4154 (EXIDX_CANTUNWIND), this is an offset to an .c6xabi.extab entry. */
4155 if ((second_word != 0x1) && ((second_word & 0x80000000ul) == 0))
4156 second_word = elf32_tic6x_add_low31 (second_word, offset);
4157
4158 bfd_put_32 (output_bfd, first_word, to);
4159 bfd_put_32 (output_bfd, second_word, to + 4);
4160 }
4161
4162 /* Do the actual mangling of exception index tables. */
4163
4164 static bfd_boolean
4165 elf32_tic6x_write_section (bfd *output_bfd,
4166 struct bfd_link_info *link_info,
4167 asection *sec,
4168 bfd_byte *contents)
4169 {
4170 _tic6x_elf_section_data *tic6x_data;
4171 struct elf32_tic6x_link_hash_table *globals
4172 = elf32_tic6x_hash_table (link_info);
4173 bfd_vma offset = sec->output_section->vma + sec->output_offset;
4174
4175 if (globals == NULL)
4176 return FALSE;
4177
4178 /* If this section has not been allocated an _tic6x_elf_section_data
4179 structure then we cannot record anything. */
4180 tic6x_data = get_tic6x_elf_section_data (sec);
4181 if (tic6x_data == NULL)
4182 return FALSE;
4183
4184 if (tic6x_data->elf.this_hdr.sh_type != SHT_C6000_UNWIND)
4185 return FALSE;
4186
4187 tic6x_unwind_table_edit *edit_node
4188 = tic6x_data->u.exidx.unwind_edit_list;
4189 /* Now, sec->size is the size of the section we will write. The original
4190 size (before we merged duplicate entries and inserted EXIDX_CANTUNWIND
4191 markers) was sec->rawsize. (This isn't the case if we perform no
4192 edits, then rawsize will be zero and we should use size). */
4193 bfd_byte *edited_contents = (bfd_byte *) bfd_malloc (sec->size);
4194 unsigned int input_size = sec->rawsize ? sec->rawsize : sec->size;
4195 unsigned int in_index, out_index;
4196 bfd_vma add_to_offsets = 0;
4197
4198 for (in_index = 0, out_index = 0; in_index * 8 < input_size || edit_node;)
4199 {
4200 if (edit_node)
4201 {
4202 unsigned int edit_index = edit_node->index;
4203
4204 if (in_index < edit_index && in_index * 8 < input_size)
4205 {
4206 elf32_tic6x_copy_exidx_entry (output_bfd,
4207 edited_contents + out_index * 8,
4208 contents + in_index * 8, add_to_offsets);
4209 out_index++;
4210 in_index++;
4211 }
4212 else if (in_index == edit_index
4213 || (in_index * 8 >= input_size
4214 && edit_index == UINT_MAX))
4215 {
4216 switch (edit_node->type)
4217 {
4218 case DELETE_EXIDX_ENTRY:
4219 in_index++;
4220 add_to_offsets += 8;
4221 break;
4222
4223 case INSERT_EXIDX_CANTUNWIND_AT_END:
4224 {
4225 asection *text_sec = edit_node->linked_section;
4226 bfd_vma text_offset = text_sec->output_section->vma
4227 + text_sec->output_offset
4228 + text_sec->size;
4229 bfd_vma exidx_offset = offset + out_index * 8;
4230 unsigned long prel31_offset;
4231
4232 /* Note: this is meant to be equivalent to an
4233 R_C6000_PREL31 relocation. These synthetic
4234 EXIDX_CANTUNWIND markers are not relocated by the
4235 usual BFD method. */
4236 prel31_offset = ((text_offset - exidx_offset) >> 1)
4237 & 0x7ffffffful;
4238
4239 /* First address we can't unwind. */
4240 bfd_put_32 (output_bfd, prel31_offset,
4241 &edited_contents[out_index * 8]);
4242
4243 /* Code for EXIDX_CANTUNWIND. */
4244 bfd_put_32 (output_bfd, 0x1,
4245 &edited_contents[out_index * 8 + 4]);
4246
4247 out_index++;
4248 add_to_offsets -= 8;
4249 }
4250 break;
4251 }
4252
4253 edit_node = edit_node->next;
4254 }
4255 }
4256 else
4257 {
4258 /* No more edits, copy remaining entries verbatim. */
4259 elf32_tic6x_copy_exidx_entry (output_bfd,
4260 edited_contents + out_index * 8,
4261 contents + in_index * 8, add_to_offsets);
4262 out_index++;
4263 in_index++;
4264 }
4265 }
4266
4267 if (!(sec->flags & SEC_EXCLUDE) && !(sec->flags & SEC_NEVER_LOAD))
4268 bfd_set_section_contents (output_bfd, sec->output_section,
4269 edited_contents,
4270 (file_ptr) sec->output_offset, sec->size);
4271
4272 return TRUE;
4273 }
4274
4275 #define TARGET_LITTLE_SYM tic6x_elf32_le_vec
4276 #define TARGET_LITTLE_NAME "elf32-tic6x-le"
4277 #define TARGET_BIG_SYM tic6x_elf32_be_vec
4278 #define TARGET_BIG_NAME "elf32-tic6x-be"
4279 #define ELF_ARCH bfd_arch_tic6x
4280 #define ELF_TARGET_ID TIC6X_ELF_DATA
4281 #define ELF_MACHINE_CODE EM_TI_C6000
4282 #define ELF_MAXPAGESIZE 0x1000
4283 #define bfd_elf32_bfd_reloc_type_lookup elf32_tic6x_reloc_type_lookup
4284 #define bfd_elf32_bfd_reloc_name_lookup elf32_tic6x_reloc_name_lookup
4285 #define bfd_elf32_bfd_merge_private_bfd_data elf32_tic6x_merge_private_bfd_data
4286 #define bfd_elf32_mkobject elf32_tic6x_mkobject
4287 #define bfd_elf32_bfd_link_hash_table_create elf32_tic6x_link_hash_table_create
4288 #define bfd_elf32_new_section_hook elf32_tic6x_new_section_hook
4289 #define elf_backend_stack_align 8
4290 #define elf_backend_can_gc_sections 1
4291 #define elf_backend_default_use_rela_p 1
4292 #define elf_backend_may_use_rel_p 1
4293 #define elf_backend_may_use_rela_p 1
4294 #define elf_backend_obj_attrs_arg_type elf32_tic6x_obj_attrs_arg_type
4295 #define elf_backend_obj_attrs_handle_unknown elf32_tic6x_obj_attrs_handle_unknown
4296 #define elf_backend_obj_attrs_order elf32_tic6x_obj_attrs_order
4297 #define elf_backend_obj_attrs_section ".c6xabi.attributes"
4298 #define elf_backend_obj_attrs_section_type SHT_C6000_ATTRIBUTES
4299 #define elf_backend_obj_attrs_vendor "c6xabi"
4300 #define elf_backend_can_refcount 1
4301 #define elf_backend_want_got_plt 1
4302 #define elf_backend_want_dynbss 1
4303 #define elf_backend_want_dynrelro 1
4304 #define elf_backend_plt_readonly 1
4305 #define elf_backend_rela_normal 1
4306 #define elf_backend_got_header_size 8
4307 #define elf_backend_fake_sections elf32_tic6x_fake_sections
4308 #define elf_backend_gc_mark_extra_sections elf32_tic6x_gc_mark_extra_sections
4309 #define elf_backend_create_dynamic_sections \
4310 elf32_tic6x_create_dynamic_sections
4311 #define elf_backend_adjust_dynamic_symbol \
4312 elf32_tic6x_adjust_dynamic_symbol
4313 #define elf_backend_check_relocs elf32_tic6x_check_relocs
4314 #define elf_backend_add_symbol_hook elf32_tic6x_add_symbol_hook
4315 #define elf_backend_symbol_processing elf32_tic6x_symbol_processing
4316 #define elf_backend_link_output_symbol_hook \
4317 elf32_tic6x_link_output_symbol_hook
4318 #define elf_backend_section_from_bfd_section \
4319 elf32_tic6x_section_from_bfd_section
4320 #define elf_backend_relocate_section elf32_tic6x_relocate_section
4321 #define elf_backend_relocs_compatible _bfd_elf_relocs_compatible
4322 #define elf_backend_finish_dynamic_symbol \
4323 elf32_tic6x_finish_dynamic_symbol
4324 #define elf_backend_always_size_sections \
4325 elf32_tic6x_always_size_sections
4326 #define elf_backend_size_dynamic_sections \
4327 elf32_tic6x_size_dynamic_sections
4328 #define elf_backend_finish_dynamic_sections \
4329 elf32_tic6x_finish_dynamic_sections
4330 #define bfd_elf32_bfd_final_link \
4331 elf32_tic6x_final_link
4332 #define elf_backend_write_section elf32_tic6x_write_section
4333 #define elf_info_to_howto elf32_tic6x_info_to_howto
4334 #define elf_info_to_howto_rel elf32_tic6x_info_to_howto_rel
4335
4336 #undef elf_backend_omit_section_dynsym
4337 #define elf_backend_omit_section_dynsym elf32_tic6x_link_omit_section_dynsym
4338 #define elf_backend_plt_sym_val elf32_tic6x_plt_sym_val
4339
4340 #include "elf32-target.h"
4341
4342 #undef elf32_bed
4343 #define elf32_bed elf32_tic6x_linux_bed
4344
4345 #undef TARGET_LITTLE_SYM
4346 #define TARGET_LITTLE_SYM tic6x_elf32_linux_le_vec
4347 #undef TARGET_LITTLE_NAME
4348 #define TARGET_LITTLE_NAME "elf32-tic6x-linux-le"
4349 #undef TARGET_BIG_SYM
4350 #define TARGET_BIG_SYM tic6x_elf32_linux_be_vec
4351 #undef TARGET_BIG_NAME
4352 #define TARGET_BIG_NAME "elf32-tic6x-linux-be"
4353 #undef ELF_OSABI
4354 #define ELF_OSABI ELFOSABI_C6000_LINUX
4355
4356 #include "elf32-target.h"
4357
4358 #undef elf32_bed
4359 #define elf32_bed elf32_tic6x_elf_bed
4360
4361 #undef TARGET_LITTLE_SYM
4362 #define TARGET_LITTLE_SYM tic6x_elf32_c6000_le_vec
4363 #undef TARGET_LITTLE_NAME
4364 #define TARGET_LITTLE_NAME "elf32-tic6x-elf-le"
4365 #undef TARGET_BIG_SYM
4366 #define TARGET_BIG_SYM tic6x_elf32_c6000_be_vec
4367 #undef TARGET_BIG_NAME
4368 #define TARGET_BIG_NAME "elf32-tic6x-elf-be"
4369 #undef ELF_OSABI
4370 #define ELF_OSABI ELFOSABI_C6000_ELFABI
4371
4372 #include "elf32-target.h"
GDB Binutils - Deliverables
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