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[deliverable/binutils-gdb.git] / bfd / elf32-tic6x.c
CommitLineData
40b36596 1/* 32-bit ELF support for TI C6X
219d1afa 2 Copyright (C) 2010-2018 Free Software Foundation, Inc.
c0621d88 3 Contributed by Joseph Myers <joseph@codesourcery.com>
07d6d2b8 4 Bernd Schmidt <bernds@codesourcery.com>
40b36596
JM		 5
6 This file is part of BFD, the Binary File Descriptor library.
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
21 MA 02110-1301, USA. */
22
23#include "sysdep.h"
fbd9ad90 24#include <limits.h>
40b36596
JM		 25#include "bfd.h"
26#include "libbfd.h"
27#include "libiberty.h"
28#include "elf-bfd.h"
29#include "elf/tic6x.h"
41820509
JM		 30#include "elf32-tic6x.h"
31
ac145307
BS		 32#define ELF_DYNAMIC_INTERPRETER "/lib/ld-uClibc.so.0"
33
34/* DSBT binaries have a default 128K stack. */
35#define DEFAULT_STACK_SIZE 0x20000
36
37/* The size in bytes of an entry in the procedure linkage table. */
38#define PLT_ENTRY_SIZE 24
39
40/* TI C6X ELF linker hash table. */
41
42struct elf32_tic6x_link_hash_table
43{
44 struct elf_link_hash_table elf;
45
ac145307
BS		 46 /* C6X specific command line arguments. */
47 struct elf32_tic6x_params params;
48
49 /* Small local sym cache. */
50 struct sym_cache sym_cache;
51
52 /* The output BFD, for convenience. */
53 bfd *obfd;
54
55 /* The .dsbt section. */
56 asection *dsbt;
57};
58
59/* Get the TI C6X ELF linker hash table from a link_info structure. */
60
61#define elf32_tic6x_hash_table(p) \
62 ((struct elf32_tic6x_link_hash_table *) ((p)->hash))
63
64/* TI C6X ELF linker hash entry. */
65
66struct 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
fbd9ad90
PB		 74typedef enum
75{
76 DELETE_EXIDX_ENTRY,
77 INSERT_EXIDX_CANTUNWIND_AT_END
78}
79tic6x_unwind_edit_type;
80
81/* A (sorted) list of edits to apply to an unwind table. */
82typedef 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}
92tic6x_unwind_table_edit;
93
94typedef 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
41820509
JM		 120struct 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)
40b36596 132
ac145307
BS		 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. */
143static asection tic6x_elf_scom_section;
144static asymbol tic6x_elf_scom_symbol;
145static asymbol *tic6x_elf_scom_symbol_ptr;
146
40b36596
JM		 147static reloc_howto_type elf32_tic6x_howto_table[] =
148{
149 HOWTO (R_C6000_NONE, /* type */
150 0, /* rightshift */
6346d5ca 151 3, /* size (0 = byte, 1 = short, 2 = long) */
40b36596
JM		 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 */
41820509
JM		 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 */
44e87ece 478 TRUE, /* pc_relative */
41820509
JM		 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 */
44e87ece 486 TRUE), /* pcrel_offset */
41820509
JM		 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 */
ac145307
BS		 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 */
2fbb87f6
PB		 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 */
4a732032
BS		 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 */
41820509
JM		 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
815static reloc_howto_type elf32_tic6x_howto_table_rel[] =
816{
817 HOWTO (R_C6000_NONE, /* type */
818 0, /* rightshift */
6346d5ca 819 3, /* size (0 = byte, 1 = short, 2 = long) */
41820509
JM		 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 */
40b36596
JM		 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 */
41820509
JM		 839 TRUE, /* partial_inplace */
840 0xffffffff, /* src_mask */
40b36596
JM		 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 */
41820509
JM		 852 TRUE, /* partial_inplace */
853 0x0000ffff, /* src_mask */
40b36596
JM		 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 */
41820509
JM		 865 TRUE, /* partial_inplace */
866 0x000000ff, /* src_mask */
40b36596
JM		 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 */
41820509
JM		 878 TRUE, /* partial_inplace */
879 0x0fffff80, /* src_mask */
40b36596
JM		 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 */
41820509
JM		 891 TRUE, /* partial_inplace */
892 0x0fff0000, /* src_mask */
40b36596
JM		 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 */
41820509
JM		 904 TRUE, /* partial_inplace */
905 0x007fe000, /* src_mask */
40b36596
JM		 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 */
41820509
JM		 917 TRUE, /* partial_inplace */
918 0x007f0000, /* src_mask */
40b36596
JM		 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 */
41820509
JM		 930 TRUE, /* partial_inplace */
931 0x007fff80, /* src_mask */
40b36596
JM		 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 */
41820509
JM		 943 TRUE, /* partial_inplace */
944 0x007fff80, /* src_mask */
40b36596
JM		 945 0x007fff80, /* dst_mask */
946 FALSE), /* pcrel_offset */
41820509 947 EMPTY_HOWTO (R_C6000_ABS_H16),
40b36596
JM		 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 */
41820509
JM		 957 TRUE, /* partial_inplace */
958 0x007fff00, /* src_mask */
40b36596
JM		 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 */
41820509
JM		 970 TRUE, /* partial_inplace */
971 0x007fff00, /* src_mask */
40b36596
JM		 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 */
41820509
JM		 983 TRUE, /* partial_inplace */
984 0x007fff00, /* src_mask */
40b36596
JM		 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 */
41820509
JM		 996 TRUE, /* partial_inplace */
997 0x007fff80, /* src_mask */
40b36596
JM		 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 */
41820509
JM		 1009 TRUE, /* partial_inplace */
1010 0x007fff80, /* src_mask */
40b36596
JM		 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 */
41820509
JM		 1022 TRUE, /* partial_inplace */
1023 0x007fff80, /* src_mask */
40b36596
JM		 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 */
41820509
JM		 1035 TRUE, /* partial_inplace */
1036 0x007fff80, /* src_mask */
40b36596
JM		 1037 0x007fff80, /* dst_mask */
1038 FALSE), /* pcrel_offset */
41820509
JM		 1039 EMPTY_HOWTO (R_C6000_SBR_H16_B),
1040 EMPTY_HOWTO (R_C6000_SBR_H16_H),
1041 EMPTY_HOWTO (R_C6000_SBR_H16_W),
40b36596
JM		 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 */
41820509
JM		 1051 TRUE, /* partial_inplace */
1052 0x007fff00, /* src_mask */
40b36596
JM		 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 */
41820509
JM		 1064 TRUE, /* partial_inplace */
1065 0x007fff80, /* src_mask */
40b36596
JM		 1066 0x007fff80, /* dst_mask */
1067 FALSE), /* pcrel_offset */
41820509 1068 EMPTY_HOWTO (R_C6000_SBR_GOT_H16_W),
40b36596
JM		 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 */
41820509 1078 TRUE, /* partial_inplace */
40b36596
JM		 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 */
44e87ece 1086 TRUE, /* pc_relative */
40b36596
JM		 1087 0, /* bitpos */
1088 complain_overflow_dont,/* complain_on_overflow */
1089 bfd_elf_generic_reloc, /* special_function */
1090 "R_C6000_PREL31", /* name */
41820509 1091 TRUE, /* partial_inplace */
40b36596
JM		 1092 0, /* src_mask */
1093 0x7fffffff, /* dst_mask */
44e87ece 1094 TRUE), /* pcrel_offset */
40b36596
JM		 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 */
41820509 1104 TRUE, /* partial_inplace */
40b36596
JM		 1105 0, /* src_mask */
1106 0xffffffff, /* dst_mask */
1107 FALSE), /* pcrel_offset */
ac145307
BS		 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 */
2fbb87f6
PB		 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 */
4a732032
BS		 1134 EMPTY_HOWTO (R_C6000_PCR_H16),
1135 EMPTY_HOWTO (R_C6000_PCR_L16),
40b36596
JM		 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 */
41820509 1367 TRUE, /* partial_inplace */
40b36596
JM		 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 */
41820509 1380 TRUE, /* partial_inplace */
40b36596
JM		 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 */
41820509 1393 TRUE, /* partial_inplace */
40b36596
JM		 1394 0, /* src_mask */
1395 0, /* dst_mask */
1396 FALSE) /* pcrel_offset */
1397};
1398
1399/* Map BFD relocations to ELF relocations. */
1400
1401typedef 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
1407static 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 },
ac145307
BS		 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 },
40b36596
JM		 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
1445static reloc_howto_type *
41820509 1446elf32_tic6x_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code)
40b36596
JM		 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)
41820509
JM		 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 }
40b36596
JM		 1469
1470 return NULL;
1471}
1472
1473static reloc_howto_type *
41820509 1474elf32_tic6x_reloc_name_lookup (bfd *abfd, const char *r_name)
40b36596 1475{
41820509
JM		 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;
40b36596 1488
41820509
JM		 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 }
40b36596
JM		 1494
1495 return NULL;
1496}
1497
1498static void
1499elf32_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
41820509
JM		 1511static void
1512elf32_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
1524void
1525elf32_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
ac145307
BS		 1530/* Create an entry in a C6X ELF linker hash table. */
1531
1532static struct bfd_hash_entry *
1533elf32_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
1562static struct bfd_link_hash_table *
1563elf32_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
7bf52ea2 1568 ret = bfd_zmalloc (amt);
ac145307
BS		 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
ac145307
BS		 1581 ret->obfd = abfd;
1582 ret->elf.is_relocatable_executable = 1;
1583
1584 return &ret->elf.root;
1585}
1586
c6a8f6e0
BS		 1587static bfd_boolean
1588elf32_tic6x_final_link (bfd *abfd, struct bfd_link_info *info)
1589{
0e1862bb 1590 if (bfd_link_pic (info))
c6a8f6e0
BS		 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
ac145307
BS		 1612/* Called to pass PARAMS to the backend. We store them in the hash table
1613 associated with INFO. */
1614
1615void
1616elf32_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
1625static bfd_boolean
1626elf32_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
1636static bfd_boolean
1637elf32_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
ac145307
BS		 1659 return TRUE;
1660}
1661
41820509
JM		 1662static bfd_boolean
1663elf32_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
ac145307
BS		 1674/* Install relocation RELA into section SRELA, incrementing its
1675 reloc_count. */
1676
1677static void
1678elf32_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
1691static void
1692elf32_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
1720static bfd_boolean
1721elf32_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{
ac145307
BS		 1726 struct elf32_tic6x_link_hash_table *htab;
1727
1728 htab = elf32_tic6x_hash_table (info);
ac145307
BS		 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
0e1862bb 1750 && !((h->forced_local || bfd_link_executable (info))
ac145307
BS		 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.
68ffbac6 1766
ac145307
BS		 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.
07d6d2b8 1826 Set it up. */
ac145307 1827
ce558b89
AM		 1828 sgot = htab->elf.sgot;
1829 srela = htab->elf.srelgot;
ac145307
BS		 1830 BFD_ASSERT (sgot != NULL && srela != NULL);
1831
1832 /* If this is a -Bsymbolic link, and the symbol is defined
07d6d2b8
AM		 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. */
0e1862bb 1837 if (bfd_link_pic (info)
a496fbc8 1838 && (SYMBOLIC_BIND (info, h)
ac145307
BS		 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;
5474d94f 1863 asection *s;
ac145307
BS		 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)
5474d94f
AM		 1870 || htab->elf.srelbss == NULL
1871 || htab->elf.sreldynrelro == NULL)
ac145307
BS		 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;
afbf7e8e 1879 if (h->root.u.def.section == htab->elf.sdynrelro)
5474d94f
AM		 1880 s = htab->elf.sreldynrelro;
1881 else
1882 s = htab->elf.srelbss;
ac145307 1883
5474d94f 1884 elf32_tic6x_install_rela (output_bfd, s, &rel);
ac145307
BS		 1885 }
1886
1887 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */
9637f6ef 1888 if (h == elf_hash_table (info)->hdynamic
ac145307
BS		 1889 || h == elf_hash_table (info)->hgot)
1890 sym->st_shndx = SHN_ABS;
1891
1892 return TRUE;
1893}
1894
9cf0e282
PB		 1895/* Unwinding tables are not referenced directly. This pass marks them as
1896 required if the corresponding code section is marked. */
1897
1898static bfd_boolean
1899elf32_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
7f6ab9f8
AM		 1906 _bfd_elf_gc_mark_extra_sections (info, gc_mark_hook);
1907
9cf0e282
PB		 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;
c72f2fb2 1914 for (sub = info->input_bfds; sub != NULL; sub = sub->link.next)
9cf0e282
PB		 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
1bce6bd8
PB		 1944/* Return TRUE if this is an unwinding table index. */
1945
1946static bfd_boolean
1947is_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
1957static bfd_boolean
1958elf32_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
63c1f59d
AM		 1974/* Find dynamic relocs for H that apply to read-only sections. */
1975
1976static asection *
1977readonly_dynrelocs (struct elf_link_hash_entry *h)
1978{
1979 struct elf_dyn_relocs *p;
1980 struct elf32_tic6x_link_hash_entry *eh
1981 = (struct elf32_tic6x_link_hash_entry *) h;
1982
1983 for (p = eh->dyn_relocs; p != NULL; p = p->next)
1984 {
1985 asection *s = p->sec->output_section;
1986
1987 if (s != NULL && (s->flags & SEC_READONLY) != 0)
1988 return p->sec;
1989 }
1990 return NULL;
1991}
1992
ac145307
BS		 1993/* Adjust a symbol defined by a dynamic object and referenced by a
1994 regular object. The current definition is in some section of the
1995 dynamic object, but we're not including those sections. We have to
1996 change the definition to something the rest of the link can
1997 understand. */
1998
1999static bfd_boolean
2000elf32_tic6x_adjust_dynamic_symbol (struct bfd_link_info *info,
2001 struct elf_link_hash_entry *h)
2002{
2003 struct elf32_tic6x_link_hash_table *htab;
2004 bfd *dynobj;
5474d94f 2005 asection *s, *srel;
ac145307
BS		 2006
2007 dynobj = elf_hash_table (info)->dynobj;
2008
2009 /* Make sure we know what is going on here. */
2010 BFD_ASSERT (dynobj != NULL
2011 && (h->needs_plt
60d67dc8 2012 || h->is_weakalias
ac145307
BS		 2013 || (h->def_dynamic && h->ref_regular && !h->def_regular)));
2014
2015 /* If this is a function, put it in the procedure linkage table. We
2016 will fill in the contents of the procedure linkage table later,
2017 when we know the address of the .got section. */
2018 if (h->type == STT_FUNC
2019 || h->needs_plt)
2020 {
2021 if (h->plt.refcount <= 0
2022 || SYMBOL_CALLS_LOCAL (info, h)
2023 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2024 && h->root.type == bfd_link_hash_undefweak))
2025 {
2026 /* This case can occur if we saw a PLT32 reloc in an input
2027 file, but the symbol was never referred to by a dynamic
2028 object, or if all references were garbage collected. In
2029 such a case, we don't actually need to build a procedure
2030 linkage table, and we can just do a PC32 reloc instead. */
2031 h->plt.offset = (bfd_vma) -1;
2032 h->needs_plt = 0;
2033 }
2034
2035 return TRUE;
2036 }
2037
2038 /* If this is a weak symbol, and there is a real definition, the
2039 processor independent code will have arranged for us to see the
2040 real definition first, and we can just use the same value. */
60d67dc8 2041 if (h->is_weakalias)
ac145307 2042 {
60d67dc8
AM		 2043 struct elf_link_hash_entry *def = weakdef (h);
2044 BFD_ASSERT (def->root.type == bfd_link_hash_defined);
2045 h->root.u.def.section = def->root.u.def.section;
2046 h->root.u.def.value = def->root.u.def.value;
2047 h->non_got_ref = def->non_got_ref;
ac145307
BS		 2048 return TRUE;
2049 }
2050
2051 /* This is a reference to a symbol defined by a dynamic object which
2052 is not a function. */
2053
2054 /* If we are creating a shared library, we must presume that the
2055 only references to the symbol are via the global offset table.
2056 For such cases we need not do anything here; the relocations will
2057 be handled correctly by relocate_section. */
0e1862bb 2058 if (bfd_link_pic (info))
ac145307
BS		 2059 return TRUE;
2060
2061 /* If there are no references to this symbol that do not use the
2062 GOT, we don't need to generate a copy reloc. */
2063 if (!h->non_got_ref)
2064 return TRUE;
2065
2066 /* If -z nocopyreloc was given, we won't generate them either. */
2067 if (info->nocopyreloc)
2068 {
2069 h->non_got_ref = 0;
2070 return TRUE;
2071 }
2072
2073 htab = elf32_tic6x_hash_table (info);
2074 if (htab == NULL)
2075 return FALSE;
2076
ac145307
BS		 2077 /* We must allocate the symbol in our .dynbss section, which will
2078 become part of the .bss section of the executable. There will be
2079 an entry for this symbol in the .dynsym section. The dynamic
2080 object will contain position independent code, so all references
2081 from the dynamic object to this symbol will go through the global
2082 offset table. The dynamic linker will use the .dynsym entry to
2083 determine the address it must put in the global offset table, so
2084 both the dynamic object and the regular object will refer to the
2085 same memory location for the variable. */
2086
2087 /* We must generate a R_C6000_COPY reloc to tell the dynamic linker to
2088 copy the initial value out of the dynamic object and into the
2089 runtime process image. */
5474d94f
AM		 2090 if ((h->root.u.def.section->flags & SEC_READONLY) != 0)
2091 {
2092 s = htab->elf.sdynrelro;
2093 srel = htab->elf.sreldynrelro;
2094 }
2095 else
2096 {
2097 s = htab->elf.sdynbss;
2098 srel = htab->elf.srelbss;
2099 }
1d7e9d18 2100 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
ac145307 2101 {
5474d94f 2102 srel->size += sizeof (Elf32_External_Rela);
ac145307
BS		 2103 h->needs_copy = 1;
2104 }
2105
6cabe1ea 2106 return _bfd_elf_adjust_dynamic_copy (info, h, s);
ac145307
BS		 2107}
2108
41820509
JM		 2109static bfd_boolean
2110elf32_tic6x_new_section_hook (bfd *abfd, asection *sec)
2111{
2112 bfd_boolean ret;
2113
fbd9ad90
PB		 2114 /* Allocate target specific section data. */
2115 if (!sec->used_by_bfd)
2116 {
2117 _tic6x_elf_section_data *sdata;
2118 bfd_size_type amt = sizeof (*sdata);
2119
2120 sdata = (_tic6x_elf_section_data *) bfd_zalloc (abfd, amt);
2121 if (sdata == NULL)
2122 return FALSE;
2123 sec->used_by_bfd = sdata;
2124 }
2125
41820509
JM		 2126 ret = _bfd_elf_new_section_hook (abfd, sec);
2127 sec->use_rela_p = elf32_tic6x_tdata (abfd)->use_rela_p;
2128
2129 return ret;
2130}
2131
2132/* Return true if relocation REL against section SEC is a REL rather
2133 than RELA relocation. RELOCS is the first relocation in the
2134 section and ABFD is the bfd that contains SEC. */
2135
2136static bfd_boolean
2137elf32_tic6x_rel_relocation_p (bfd *abfd, asection *sec,
2138 const Elf_Internal_Rela *relocs,
2139 const Elf_Internal_Rela *rel)
2140{
2141 Elf_Internal_Shdr *rel_hdr;
2142 const struct elf_backend_data *bed;
2143
2144 /* To determine which flavor of relocation this is, we depend on the
d4730f92
BS		 2145 fact that the INPUT_SECTION's REL_HDR is read before RELA_HDR. */
2146 rel_hdr = elf_section_data (sec)->rel.hdr;
2147 if (rel_hdr == NULL)
2148 return FALSE;
41820509 2149 bed = get_elf_backend_data (abfd);
d4730f92
BS		 2150 return ((size_t) (rel - relocs)
2151 < NUM_SHDR_ENTRIES (rel_hdr) * bed->s->int_rels_per_ext_rel);
41820509
JM		 2152}
2153
ac145307
BS		 2154/* We need dynamic symbols for every section, since segments can
2155 relocate independently. */
2156static bfd_boolean
2157elf32_tic6x_link_omit_section_dynsym (bfd *output_bfd ATTRIBUTE_UNUSED,
2158 struct bfd_link_info *info ATTRIBUTE_UNUSED,
2159 asection *p)
2160{
2161 switch (elf_section_data (p)->this_hdr.sh_type)
2162 {
2163 case SHT_PROGBITS:
2164 case SHT_NOBITS:
2165 /* If sh_type is yet undecided, assume it could be
2166 SHT_PROGBITS/SHT_NOBITS. */
2167 case SHT_NULL:
2168 return FALSE;
2169
2170 /* There shouldn't be section relative relocations
2171 against any other section. */
2172 default:
2173 return TRUE;
2174 }
2175}
2176
40b36596
JM		 2177static bfd_boolean
2178elf32_tic6x_relocate_section (bfd *output_bfd,
2179 struct bfd_link_info *info,
2180 bfd *input_bfd,
2181 asection *input_section,
2182 bfd_byte *contents,
2183 Elf_Internal_Rela *relocs,
2184 Elf_Internal_Sym *local_syms,
2185 asection **local_sections)
2186{
ac145307 2187 struct elf32_tic6x_link_hash_table *htab;
40b36596
JM		 2188 Elf_Internal_Shdr *symtab_hdr;
2189 struct elf_link_hash_entry **sym_hashes;
ac145307 2190 bfd_vma *local_got_offsets;
40b36596
JM		 2191 Elf_Internal_Rela *rel;
2192 Elf_Internal_Rela *relend;
2193 bfd_boolean ok = TRUE;
2194
ac145307 2195 htab = elf32_tic6x_hash_table (info);
40b36596
JM		 2196 symtab_hdr = & elf_symtab_hdr (input_bfd);
2197 sym_hashes = elf_sym_hashes (input_bfd);
ac145307 2198 local_got_offsets = elf_local_got_offsets (input_bfd);
40b36596
JM		 2199
2200 relend = relocs + input_section->reloc_count;
2201
2202 for (rel = relocs; rel < relend; rel ++)
2203 {
2204 int r_type;
2205 unsigned long r_symndx;
2206 arelent bfd_reloc;
2207 reloc_howto_type *howto;
2208 Elf_Internal_Sym *sym;
2209 asection *sec;
2210 struct elf_link_hash_entry *h;
4a732032 2211 bfd_vma off, off2, relocation;
40b36596
JM		 2212 bfd_boolean unresolved_reloc;
2213 bfd_reloc_status_type r;
2214 struct bfd_link_hash_entry *sbh;
41820509 2215 bfd_boolean is_rel;
40b36596
JM		 2216
2217 r_type = ELF32_R_TYPE (rel->r_info);
2218 r_symndx = ELF32_R_SYM (rel->r_info);
2219
41820509
JM		 2220 is_rel = elf32_tic6x_rel_relocation_p (input_bfd, input_section,
2221 relocs, rel);
2222
2223 if (is_rel)
2224 elf32_tic6x_info_to_howto_rel (input_bfd, &bfd_reloc, rel);
2225 else
2226 elf32_tic6x_info_to_howto (input_bfd, &bfd_reloc, rel);
40b36596
JM		 2227 howto = bfd_reloc.howto;
2228 if (howto == NULL)
2229 {
2230 bfd_set_error (bfd_error_bad_value);
2231 return FALSE;
2232 }
2233
2234 h = NULL;
2235 sym = NULL;
2236 sec = NULL;
2237 unresolved_reloc = FALSE;
2238
2239 if (r_symndx < symtab_hdr->sh_info)
2240 {
2241 sym = local_syms + r_symndx;
2242 sec = local_sections[r_symndx];
2243 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
2244 }
2245 else
2246 {
62d887d4 2247 bfd_boolean warned, ignored;
40b36596
JM		 2248
2249 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
2250 r_symndx, symtab_hdr, sym_hashes,
2251 h, sec, relocation,
62d887d4 2252 unresolved_reloc, warned, ignored);
40b36596
JM		 2253 }
2254
dbaa2011 2255 if (sec != NULL && discarded_section (sec))
e4067dbb 2256 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
545fd46b 2257 rel, 1, relend, howto, 0, contents);
40b36596 2258
0e1862bb 2259 if (bfd_link_relocatable (info))
41820509
JM		 2260 {
2261 if (is_rel
2262 && sym != NULL
2263 && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
2264 {
2265 rel->r_addend = 0;
2266 relocation = sec->output_offset + sym->st_value;
2267 r = _bfd_relocate_contents (howto, input_bfd, relocation,
2268 contents + rel->r_offset);
2269 goto done_reloc;
2270 }
2271 continue;
2272 }
40b36596
JM		 2273
2274 switch (r_type)
2275 {
2276 case R_C6000_NONE:
2277 case R_C6000_ALIGN:
2278 case R_C6000_FPHEAD:
2279 case R_C6000_NOCMP:
2280 /* No action needed. */
2281 continue;
2282
2283 case R_C6000_PCR_S21:
ac145307
BS		 2284 /* A branch to an undefined weak symbol is turned into a
2285 "b .s2 B3" instruction if the existing insn is of the
2286 form "b .s2 symbol". */
2287 if (h ? h->root.type == bfd_link_hash_undefweak
2288 && (htab->elf.splt == NULL || h->plt.offset == (bfd_vma) -1)
2289 : r_symndx != STN_UNDEF && bfd_is_und_section (sec))
2290 {
2291 unsigned long oldval;
2292 oldval = bfd_get_32 (input_bfd, contents + rel->r_offset);
2293
2294 if ((oldval & 0x7e) == 0x12)
2295 {
2296 oldval &= 0xF0000001;
2297 bfd_put_32 (input_bfd, oldval | 0x000c0362,
2298 contents + rel->r_offset);
2299 r = bfd_reloc_ok;
2300 goto done_reloc;
2301 }
2302 }
1a0670f3 2303 /* Fall through. */
ac145307 2304
40b36596
JM		 2305 case R_C6000_PCR_S12:
2306 case R_C6000_PCR_S10:
2307 case R_C6000_PCR_S7:
ac145307
BS		 2308 if (h != NULL
2309 && h->plt.offset != (bfd_vma) -1
2310 && htab->elf.splt != NULL)
2311 {
2312 relocation = (htab->elf.splt->output_section->vma
2313 + htab->elf.splt->output_offset
2314 + h->plt.offset);
2315 }
2316
40b36596
JM		 2317 /* Generic PC-relative handling produces a value relative to
2318 the exact location of the relocation. Adjust it to be
2319 relative to the start of the fetch packet instead. */
2320 relocation += (input_section->output_section->vma
2321 + input_section->output_offset
2322 + rel->r_offset) & 0x1f;
ac145307
BS		 2323 unresolved_reloc = FALSE;
2324 break;
2325
4a732032
BS		 2326 case R_C6000_PCR_H16:
2327 case R_C6000_PCR_L16:
2328 off = (input_section->output_section->vma
2329 + input_section->output_offset
2330 + rel->r_offset);
2331 /* These must be calculated as R = S - FP(FP(PC) - A).
2332 PC, here, is the value we just computed in OFF. RELOCATION
2333 has the address of S + A. */
2334 relocation -= rel->r_addend;
2335 off2 = ((off & ~(bfd_vma)0x1f) - rel->r_addend) & (bfd_vma)~0x1f;
2336 off2 = relocation - off2;
2337 relocation = off + off2;
2338 break;
2339
ac145307
BS		 2340 case R_C6000_DSBT_INDEX:
2341 relocation = elf32_tic6x_hash_table (info)->params.dsbt_index;
0e1862bb 2342 if (!bfd_link_pic (info) || relocation != 0)
ac145307
BS		 2343 break;
2344
2345 /* fall through */
40b36596
JM		 2346 case R_C6000_ABS32:
2347 case R_C6000_ABS16:
2348 case R_C6000_ABS8:
2349 case R_C6000_ABS_S16:
2350 case R_C6000_ABS_L16:
2351 case R_C6000_ABS_H16:
ac145307
BS		 2352 /* When generating a shared object or relocatable executable, these
2353 relocations are copied into the output file to be resolved at
2354 run time. */
0e1862bb 2355 if ((bfd_link_pic (info) || elf32_tic6x_using_dsbt (output_bfd))
ac145307
BS		 2356 && (input_section->flags & SEC_ALLOC)
2357 && (h == NULL
2358 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2359 || h->root.type != bfd_link_hash_undefweak))
2360 {
2361 Elf_Internal_Rela outrel;
2362 bfd_boolean skip, relocate;
2363 asection *sreloc;
2364
2365 unresolved_reloc = FALSE;
2366
2367 sreloc = elf_section_data (input_section)->sreloc;
2368 BFD_ASSERT (sreloc != NULL && sreloc->contents != NULL);
2369
2370 skip = FALSE;
2371 relocate = FALSE;
2372
2373 outrel.r_offset =
2374 _bfd_elf_section_offset (output_bfd, info, input_section,
2375 rel->r_offset);
2376 if (outrel.r_offset == (bfd_vma) -1)
2377 skip = TRUE;
2378 else if (outrel.r_offset == (bfd_vma) -2)
2379 skip = TRUE, relocate = TRUE;
2380 outrel.r_offset += (input_section->output_section->vma
2381 + input_section->output_offset);
2382
2383 if (skip)
2384 memset (&outrel, 0, sizeof outrel);
2385 else if (h != NULL
2386 && h->dynindx != -1
0e1862bb 2387 && (!bfd_link_pic (info)
a496fbc8 2388 || !SYMBOLIC_BIND (info, h)
ac145307
BS		 2389 || !h->def_regular))
2390 {
2391 outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
2392 outrel.r_addend = rel->r_addend;
2393 }
2394 else
2395 {
2396 long indx;
2397
2398 outrel.r_addend = relocation + rel->r_addend;
2399
2400 if (bfd_is_abs_section (sec))
2401 indx = 0;
2402 else if (sec == NULL || sec->owner == NULL)
2403 {
2404 bfd_set_error (bfd_error_bad_value);
2405 return FALSE;
2406 }
2407 else
2408 {
2409 asection *osec;
2410
2411 osec = sec->output_section;
2412 indx = elf_section_data (osec)->dynindx;
2413 outrel.r_addend -= osec->vma;
2414 BFD_ASSERT (indx != 0);
2415 }
2416
2417 outrel.r_info = ELF32_R_INFO (indx, r_type);
2418 }
2419
2420 elf32_tic6x_install_rela (output_bfd, sreloc, &outrel);
2421
2422 /* If this reloc is against an external symbol, we do not want to
2423 fiddle with the addend. Otherwise, we need to include the symbol
2424 value so that it becomes an addend for the dynamic reloc. */
2425 if (! relocate)
2426 continue;
2427 }
2428
40b36596
JM		 2429 /* Generic logic OK. */
2430 break;
2431
2432 case R_C6000_SBR_U15_B:
2433 case R_C6000_SBR_U15_H:
2434 case R_C6000_SBR_U15_W:
2435 case R_C6000_SBR_S16:
2436 case R_C6000_SBR_L16_B:
2437 case R_C6000_SBR_L16_H:
2438 case R_C6000_SBR_L16_W:
2439 case R_C6000_SBR_H16_B:
2440 case R_C6000_SBR_H16_H:
2441 case R_C6000_SBR_H16_W:
2442 sbh = bfd_link_hash_lookup (info->hash, "__c6xabi_DSBT_BASE",
2443 FALSE, FALSE, TRUE);
2444 if (sbh != NULL
2445 && (sbh->type == bfd_link_hash_defined
2446 || sbh->type == bfd_link_hash_defweak))
ac145307
BS		 2447 {
2448 if (h ? (h->root.type == bfd_link_hash_undefweak
2449 && (htab->elf.splt == NULL
2450 || h->plt.offset == (bfd_vma) -1))
2451 : r_symndx != STN_UNDEF && bfd_is_und_section (sec))
2452 relocation = 0;
2453 else
2454 relocation -= (sbh->u.def.value
2455 + sbh->u.def.section->output_section->vma
2456 + sbh->u.def.section->output_offset);
2457 }
40b36596
JM		 2458 else
2459 {
871b3ab2 2460 _bfd_error_handler (_("%pB: SB-relative relocation but "
4eca0228
AM		 2461 "__c6xabi_DSBT_BASE not defined"),
2462 input_bfd);
40b36596
JM		 2463 ok = FALSE;
2464 continue;
2465 }
2466 break;
2467
2468 case R_C6000_SBR_GOT_U15_W:
2469 case R_C6000_SBR_GOT_L16_W:
2470 case R_C6000_SBR_GOT_H16_W:
2fbb87f6 2471 case R_C6000_EHTYPE:
ac145307
BS		 2472 /* Relocation is to the entry for this symbol in the global
2473 offset table. */
2474 if (htab->elf.sgot == NULL)
2475 abort ();
2476
2477 if (h != NULL)
2478 {
2479 bfd_boolean dyn;
2480
2481 off = h->got.offset;
2482 dyn = htab->elf.dynamic_sections_created;
0e1862bb
L		 2483 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
2484 bfd_link_pic (info),
2485 h)
2486 || (bfd_link_pic (info)
ac145307
BS		 2487 && SYMBOL_REFERENCES_LOCAL (info, h))
2488 || (ELF_ST_VISIBILITY (h->other)
2489 && h->root.type == bfd_link_hash_undefweak))
2490 {
2491 /* This is actually a static link, or it is a
2492 -Bsymbolic link and the symbol is defined
2493 locally, or the symbol was forced to be local
2494 because of a version file. We must initialize
2495 this entry in the global offset table. Since the
2496 offset must always be a multiple of 4, we use the
2497 least significant bit to record whether we have
2498 initialized it already.
2499
2500 When doing a dynamic link, we create a .rel.got
2501 relocation entry to initialize the value. This
2502 is done in the finish_dynamic_symbol routine. */
2503 if ((off & 1) != 0)
2504 off &= ~1;
2505 else
2506 {
2507 bfd_put_32 (output_bfd, relocation,
2508 htab->elf.sgot->contents + off);
2509 h->got.offset |= 1;
2510
0e1862bb
L		 2511 if (!WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
2512 bfd_link_pic (info),
ac145307
BS		 2513 h)
2514 && !(ELF_ST_VISIBILITY (h->other)
2515 && h->root.type == bfd_link_hash_undefweak))
2516 elf32_tic6x_make_got_dynreloc (output_bfd, htab, sec,
2517 off);
2518 }
2519 }
2520 else
2521 unresolved_reloc = FALSE;
2522 }
2523 else
2524 {
2525 if (local_got_offsets == NULL)
2526 abort ();
2527
2528 off = local_got_offsets[r_symndx];
2529
2530 /* The offset must always be a multiple of 4. We use
2531 the least significant bit to record whether we have
2532 already generated the necessary reloc. */
2533 if ((off & 1) != 0)
2534 off &= ~1;
2535 else
2536 {
2537 bfd_put_32 (output_bfd, relocation,
2538 htab->elf.sgot->contents + off);
2539
0e1862bb 2540 if (bfd_link_pic (info) || elf32_tic6x_using_dsbt (output_bfd))
ac145307
BS		 2541 elf32_tic6x_make_got_dynreloc (output_bfd, htab, sec, off);
2542
2543 local_got_offsets[r_symndx] |= 1;
2544 }
2545 }
2546
2547 if (off >= (bfd_vma) -2)
2548 abort ();
2549
2550 if (htab->dsbt)
2551 relocation = (htab->elf.sgot->output_section->vma
2552 + htab->elf.sgot->output_offset + off
2553 - htab->dsbt->output_section->vma
2554 - htab->dsbt->output_offset);
2555 else
2556 relocation = (htab->elf.sgot->output_section->vma
2557 + htab->elf.sgot->output_offset + off
2558 - htab->elf.sgotplt->output_section->vma
2559 - htab->elf.sgotplt->output_offset);
2560
2561 if (rel->r_addend != 0)
2562 {
2563 /* We can't do anything for a relocation which is against
2564 a symbol *plus offset*. GOT holds relocations for
2565 symbols. Make this an error; the compiler isn't
2566 allowed to pass us these kinds of things. */
2567 if (h == NULL)
4eca0228 2568 _bfd_error_handler
695344c0 2569 /* xgettext:c-format */
871b3ab2 2570 (_("%pB, section %pA: relocation %s with non-zero addend %Ld"
ac145307
BS		 2571 " against local symbol"),
2572 input_bfd,
2573 input_section,
2574 elf32_tic6x_howto_table[r_type].name,
2575 rel->r_addend);
2576 else
4eca0228 2577 _bfd_error_handler
695344c0 2578 /* xgettext:c-format */
871b3ab2 2579 (_("%pB, section %pA: relocation %s with non-zero addend %Ld"
ac145307
BS		 2580 " against symbol `%s'"),
2581 input_bfd,
2582 input_section,
2583 elf32_tic6x_howto_table[r_type].name,
2584 rel->r_addend,
2585 h->root.root.string[0] != '\0' ? h->root.root.string
2586 : _("[whose name is lost]"));
2587
2588 bfd_set_error (bfd_error_bad_value);
2589 return FALSE;
2590 }
2591 break;
2592
40b36596 2593 case R_C6000_PREL31:
44e87ece
PB		 2594 if (h != NULL
2595 && h->plt.offset != (bfd_vma) -1
2596 && htab->elf.splt != NULL)
2597 {
2598 relocation = (htab->elf.splt->output_section->vma
2599 + htab->elf.splt->output_offset
2600 + h->plt.offset);
2601 }
2602 break;
40b36596
JM		 2603
2604 case R_C6000_COPY:
2605 /* Invalid in relocatable object. */
2606 default:
2607 /* Unknown relocation. */
695344c0 2608 /* xgettext:c-format */
871b3ab2 2609 _bfd_error_handler (_("%pB: invalid relocation type %d"),
4eca0228 2610 input_bfd, r_type);
40b36596
JM		 2611 ok = FALSE;
2612 continue;
2613 }
2614
2615 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
2616 contents, rel->r_offset,
2617 relocation, rel->r_addend);
2618
41820509 2619 done_reloc:
40b36596
JM		 2620 if (r == bfd_reloc_ok
2621 && howto->complain_on_overflow == complain_overflow_bitfield)
2622 {
2623 /* Generic overflow handling accepts cases the ABI says
2624 should be rejected for R_C6000_ABS16 and
2625 R_C6000_ABS8. */
2626 bfd_vma value = (relocation + rel->r_addend) & 0xffffffff;
2627 bfd_vma sbit = 1 << (howto->bitsize - 1);
2628 bfd_vma sbits = (-(bfd_vma) sbit) & 0xffffffff;
2629 bfd_vma value_sbits = value & sbits;
2630
2631 if (value_sbits != 0
2632 && value_sbits != sbit
2633 && value_sbits != sbits)
2634 r = bfd_reloc_overflow;
2635 }
2636
2637 if (r != bfd_reloc_ok)
2638 {
2639 const char *name;
2640 const char *error_message;
2641
2642 if (h != NULL)
2643 name = h->root.root.string;
2644 else
2645 {
2646 name = bfd_elf_string_from_elf_section (input_bfd,
2647 symtab_hdr->sh_link,
2648 sym->st_name);
2649 if (name == NULL)
2650 return FALSE;
2651 if (*name == '\0')
2652 name = bfd_section_name (input_bfd, sec);
2653 }
2654
2655 switch (r)
2656 {
2657 case bfd_reloc_overflow:
2658 /* If the overflowing reloc was to an undefined symbol,
2659 we have already printed one error message and there
2660 is no point complaining again. */
1a72702b
AM		 2661 if (!h || h->root.type != bfd_link_hash_undefined)
2662 (*info->callbacks->reloc_overflow)
2663 (info, (h ? &h->root : NULL), name, howto->name,
2664 (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
40b36596
JM		 2665 break;
2666
2667 case bfd_reloc_undefined:
1a72702b
AM		 2668 (*info->callbacks->undefined_symbol) (info, name, input_bfd,
2669 input_section,
2670 rel->r_offset, TRUE);
40b36596
JM		 2671 break;
2672
2673 case bfd_reloc_outofrange:
2674 error_message = _("out of range");
2675 goto common_error;
2676
2677 case bfd_reloc_notsupported:
2678 error_message = _("unsupported relocation");
2679 goto common_error;
2680
2681 case bfd_reloc_dangerous:
2682 error_message = _("dangerous relocation");
2683 goto common_error;
2684
2685 default:
2686 error_message = _("unknown error");
2687 /* Fall through. */
2688
2689 common_error:
2690 BFD_ASSERT (error_message != NULL);
1a72702b
AM		 2691 (*info->callbacks->reloc_dangerous)
2692 (info, error_message, input_bfd, input_section, rel->r_offset);
40b36596
JM		 2693 break;
2694 }
2695 }
2696 }
2697
2698 return ok;
2699}
2700
ac145307
BS		 2701\f
2702/* Look through the relocs for a section during the first phase, and
2703 calculate needed space in the global offset table, procedure linkage
2704 table, and dynamic reloc sections. */
2705
2706static bfd_boolean
2707elf32_tic6x_check_relocs (bfd *abfd, struct bfd_link_info *info,
2708 asection *sec, const Elf_Internal_Rela *relocs)
2709{
2710 struct elf32_tic6x_link_hash_table *htab;
2711 Elf_Internal_Shdr *symtab_hdr;
2712 struct elf_link_hash_entry **sym_hashes;
2713 const Elf_Internal_Rela *rel;
2714 const Elf_Internal_Rela *rel_end;
2715 asection *sreloc;
2716
0e1862bb 2717 if (bfd_link_relocatable (info))
ac145307
BS		 2718 return TRUE;
2719
2720 htab = elf32_tic6x_hash_table (info);
2721 symtab_hdr = &elf_symtab_hdr (abfd);
2722 sym_hashes = elf_sym_hashes (abfd);
2723
2724 /* Create dynamic sections for relocatable executables so that we can
2725 copy relocations. */
0e1862bb 2726 if ((bfd_link_pic (info) || elf32_tic6x_using_dsbt (abfd))
ac145307
BS		 2727 && ! htab->elf.dynamic_sections_created)
2728 {
2729 if (! _bfd_elf_link_create_dynamic_sections (abfd, info))
2730 return FALSE;
2731 }
2732
2733 sreloc = NULL;
2734
2735 rel_end = relocs + sec->reloc_count;
2736 for (rel = relocs; rel < rel_end; rel++)
2737 {
2738 unsigned int r_type;
d42c267e 2739 unsigned int r_symndx;
ac145307
BS		 2740 struct elf_link_hash_entry *h;
2741 Elf_Internal_Sym *isym;
2742
2743 r_symndx = ELF32_R_SYM (rel->r_info);
2744 r_type = ELF32_R_TYPE (rel->r_info);
2745
2746 if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
2747 {
695344c0 2748 /* xgettext:c-format */
871b3ab2 2749 _bfd_error_handler (_("%pB: bad symbol index: %d"),
4eca0228 2750 abfd, r_symndx);
ac145307
BS		 2751 return FALSE;
2752 }
2753
2754 if (r_symndx < symtab_hdr->sh_info)
2755 {
2756 /* A local symbol. */
2757 isym = bfd_sym_from_r_symndx (&htab->sym_cache,
2758 abfd, r_symndx);
2759 if (isym == NULL)
2760 return FALSE;
2761 h = NULL;
2762 }
2763 else
2764 {
2765 isym = NULL;
2766 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
2767 while (h->root.type == bfd_link_hash_indirect
2768 || h->root.type == bfd_link_hash_warning)
2769 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2770 }
2771
2772 switch (r_type)
2773 {
2774 case R_C6000_PCR_S21:
44e87ece 2775 case R_C6000_PREL31:
ac145307
BS		 2776 /* This symbol requires a procedure linkage table entry. We
2777 actually build the entry in adjust_dynamic_symbol,
2778 because this might be a case of linking PIC code which is
2779 never referenced by a dynamic object, in which case we
2780 don't need to generate a procedure linkage table entry
2781 after all. */
2782
2783 /* If this is a local symbol, we resolve it directly without
2784 creating a procedure linkage table entry. */
2785 if (h == NULL)
2786 continue;
2787
2788 h->needs_plt = 1;
2789 h->plt.refcount += 1;
2790 break;
2791
2792 case R_C6000_SBR_GOT_U15_W:
2793 case R_C6000_SBR_GOT_L16_W:
2794 case R_C6000_SBR_GOT_H16_W:
2fbb87f6 2795 case R_C6000_EHTYPE:
ac145307
BS		 2796 /* This symbol requires a global offset table entry. */
2797 if (h != NULL)
2798 {
2799 h->got.refcount += 1;
2800 }
2801 else
2802 {
2803 bfd_signed_vma *local_got_refcounts;
2804
2805 /* This is a global offset table entry for a local symbol. */
2806 local_got_refcounts = elf_local_got_refcounts (abfd);
2807 if (local_got_refcounts == NULL)
2808 {
2809 bfd_size_type size;
2810
2811 size = symtab_hdr->sh_info;
2812 size *= (sizeof (bfd_signed_vma)
2813 + sizeof (bfd_vma) + sizeof(char));
2814 local_got_refcounts = bfd_zalloc (abfd, size);
2815 if (local_got_refcounts == NULL)
2816 return FALSE;
2817 elf_local_got_refcounts (abfd) = local_got_refcounts;
2818 }
2819 local_got_refcounts[r_symndx] += 1;
2820 }
2821
2822 if (htab->elf.sgot == NULL)
2823 {
2824 if (htab->elf.dynobj == NULL)
2825 htab->elf.dynobj = abfd;
2826 if (!_bfd_elf_create_got_section (htab->elf.dynobj, info))
2827 return FALSE;
2828 }
2829 break;
2830
2831 case R_C6000_DSBT_INDEX:
2832 /* We'd like to check for nonzero dsbt_index here, but it's
2833 set up only after check_relocs is called. Instead, we
2834 store the number of R_C6000_DSBT_INDEX relocs in the
2835 pc_count field, and potentially discard the extra space
2836 in elf32_tic6x_allocate_dynrelocs. */
0e1862bb 2837 if (!bfd_link_pic (info))
ac145307
BS		 2838 break;
2839
2840 /* fall through */
2841 case R_C6000_ABS32:
2842 case R_C6000_ABS16:
2843 case R_C6000_ABS8:
2844 case R_C6000_ABS_S16:
2845 case R_C6000_ABS_L16:
2846 case R_C6000_ABS_H16:
2847 /* If we are creating a shared library, and this is a reloc
2848 against a global symbol, or a non PC relative reloc
2849 against a local symbol, then we need to copy the reloc
2850 into the shared library. However, if we are linking with
2851 -Bsymbolic, we do not need to copy a reloc against a
2852 global symbol which is defined in an object we are
2853 including in the link (i.e., DEF_REGULAR is set). At
2854 this point we have not seen all the input files, so it is
2855 possible that DEF_REGULAR is not set now but will be set
2856 later (it is never cleared). In case of a weak definition,
2857 DEF_REGULAR may be cleared later by a strong definition in
2858 a shared library. We account for that possibility below by
2859 storing information in the relocs_copied field of the hash
2860 table entry. A similar situation occurs when creating
2861 shared libraries and symbol visibility changes render the
2862 symbol local.
2863
2864 If on the other hand, we are creating an executable, we
2865 may need to keep relocations for symbols satisfied by a
2866 dynamic library if we manage to avoid copy relocs for the
2867 symbol. */
0e1862bb 2868 if ((bfd_link_pic (info) || elf32_tic6x_using_dsbt (abfd))
ac145307
BS		 2869 && (sec->flags & SEC_ALLOC) != 0)
2870 {
2871 struct elf_dyn_relocs *p;
2872 struct elf_dyn_relocs **head;
2873
2874 /* We must copy these reloc types into the output file.
2875 Create a reloc section in dynobj and make room for
2876 this reloc. */
2877 if (sreloc == NULL)
2878 {
2879 if (htab->elf.dynobj == NULL)
2880 htab->elf.dynobj = abfd;
2881
2882 sreloc = _bfd_elf_make_dynamic_reloc_section
2883 (sec, htab->elf.dynobj, 2, abfd, /*rela? */ TRUE);
2884
2885 if (sreloc == NULL)
2886 return FALSE;
2887 }
2888
2889 /* If this is a global symbol, we count the number of
2890 relocations we need for this symbol. */
2891 if (h != NULL)
2892 {
2893 head = &((struct elf32_tic6x_link_hash_entry *) h)->dyn_relocs;
2894 }
2895 else
2896 {
2897 /* Track dynamic relocs needed for local syms too.
2898 We really need local syms available to do this
2899 easily. Oh well. */
2900 void **vpp;
2901 asection *s;
2902
2903 s = bfd_section_from_elf_index (abfd, isym->st_shndx);
2904 if (s == NULL)
2905 s = sec;
2906
2907 vpp = &elf_section_data (s)->local_dynrel;
2908 head = (struct elf_dyn_relocs **)vpp;
2909 }
2910
2911 p = *head;
2912 if (p == NULL || p->sec != sec)
2913 {
2914 bfd_size_type amt = sizeof *p;
2915 p = bfd_alloc (htab->elf.dynobj, amt);
2916 if (p == NULL)
2917 return FALSE;
2918 p->next = *head;
2919 *head = p;
2920 p->sec = sec;
2921 p->count = 0;
2123f9ad 2922 p->pc_count = 0;
ac145307
BS		 2923 }
2924
2925 p->count += 1;
2926 if (r_type == R_C6000_DSBT_INDEX)
2927 p->pc_count += 1;
2928 }
2929 break;
2930
2931 case R_C6000_SBR_U15_B:
2932 case R_C6000_SBR_U15_H:
2933 case R_C6000_SBR_U15_W:
2934 case R_C6000_SBR_S16:
2935 case R_C6000_SBR_L16_B:
2936 case R_C6000_SBR_L16_H:
2937 case R_C6000_SBR_L16_W:
2938 case R_C6000_SBR_H16_B:
2939 case R_C6000_SBR_H16_H:
2940 case R_C6000_SBR_H16_W:
0e1862bb 2941 if (h != NULL && bfd_link_executable (info))
ac145307
BS		 2942 {
2943 /* For B14-relative addresses, we might need a copy
2944 reloc. */
2945 h->non_got_ref = 1;
2946 }
2947 break;
2948
2949 default:
2950 break;
2951 }
2952 }
2953
2954 return TRUE;
2955}
2956
2957static bfd_boolean
2958elf32_tic6x_add_symbol_hook (bfd *abfd,
2959 struct bfd_link_info *info ATTRIBUTE_UNUSED,
2960 Elf_Internal_Sym *sym,
2961 const char **namep ATTRIBUTE_UNUSED,
2962 flagword *flagsp ATTRIBUTE_UNUSED,
2963 asection **secp,
2964 bfd_vma *valp)
2965{
2966 switch (sym->st_shndx)
2967 {
2968 case SHN_TIC6X_SCOMMON:
2969 *secp = bfd_make_section_old_way (abfd, ".scommon");
2970 (*secp)->flags |= SEC_IS_COMMON;
2971 *valp = sym->st_size;
a253d456 2972 (void) bfd_set_section_alignment (abfd, *secp, bfd_log2 (sym->st_value));
ac145307
BS		 2973 break;
2974 }
2975
2976 return TRUE;
2977}
2978
2979static void
2980elf32_tic6x_symbol_processing (bfd *abfd ATTRIBUTE_UNUSED, asymbol *asym)
2981{
2982 elf_symbol_type *elfsym;
2983
2984 elfsym = (elf_symbol_type *) asym;
2985 switch (elfsym->internal_elf_sym.st_shndx)
2986 {
2987 case SHN_TIC6X_SCOMMON:
2988 if (tic6x_elf_scom_section.name == NULL)
07d6d2b8
AM		 2989 {
2990 /* Initialize the small common section. */
2991 tic6x_elf_scom_section.name = ".scommon";
2992 tic6x_elf_scom_section.flags = SEC_IS_COMMON;
2993 tic6x_elf_scom_section.output_section = &tic6x_elf_scom_section;
2994 tic6x_elf_scom_section.symbol = &tic6x_elf_scom_symbol;
2995 tic6x_elf_scom_section.symbol_ptr_ptr = &tic6x_elf_scom_symbol_ptr;
2996 tic6x_elf_scom_symbol.name = ".scommon";
2997 tic6x_elf_scom_symbol.flags = BSF_SECTION_SYM;
2998 tic6x_elf_scom_symbol.section = &tic6x_elf_scom_section;
2999 tic6x_elf_scom_symbol_ptr = &tic6x_elf_scom_symbol;
3000 }
ac145307
BS		 3001 asym->section = &tic6x_elf_scom_section;
3002 asym->value = elfsym->internal_elf_sym.st_size;
3003 break;
3004 }
3005}
3006
3007static int
3008elf32_tic6x_link_output_symbol_hook (struct bfd_link_info *info ATTRIBUTE_UNUSED,
3009 const char *name ATTRIBUTE_UNUSED,
3010 Elf_Internal_Sym *sym,
3011 asection *input_sec,
3012 struct elf_link_hash_entry *h ATTRIBUTE_UNUSED)
3013{
3014 /* If we see a common symbol, which implies a relocatable link, then
3015 if a symbol was small common in an input file, mark it as small
3016 common in the output file. */
3017 if (sym->st_shndx == SHN_COMMON && strcmp (input_sec->name, ".scommon") == 0)
3018 sym->st_shndx = SHN_TIC6X_SCOMMON;
3019
3020 return 1;
3021}
3022
3023static bfd_boolean
3024elf32_tic6x_section_from_bfd_section (bfd *abfd ATTRIBUTE_UNUSED,
3025 asection *sec,
3026 int *retval)
3027{
3028 if (strcmp (bfd_get_section_name (abfd, sec), ".scommon") == 0)
3029 {
3030 *retval = SHN_TIC6X_SCOMMON;
3031 return TRUE;
3032 }
3033
3034 return FALSE;
3035}
3036
3037/* Allocate space in .plt, .got and associated reloc sections for
3038 dynamic relocs. */
3039
3040static bfd_boolean
3041elf32_tic6x_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
3042{
3043 struct bfd_link_info *info;
3044 struct elf32_tic6x_link_hash_table *htab;
3045 struct elf32_tic6x_link_hash_entry *eh;
3046 struct elf_dyn_relocs *p;
3047
3048 if (h->root.type == bfd_link_hash_indirect)
3049 return TRUE;
3050
ac145307 3051 eh = (struct elf32_tic6x_link_hash_entry *) h;
ac145307
BS		 3052 info = (struct bfd_link_info *) inf;
3053 htab = elf32_tic6x_hash_table (info);
3054
3055 if (htab->elf.dynamic_sections_created && h->plt.refcount > 0)
3056 {
3057 /* Make sure this symbol is output as a dynamic symbol.
3058 Undefined weak syms won't yet be marked as dynamic. */
3059 if (h->dynindx == -1 && !h->forced_local)
3060 {
3061 if (! bfd_elf_link_record_dynamic_symbol (info, h))
3062 return FALSE;
3063 }
3064
0e1862bb 3065 if (bfd_link_pic (info)
ac145307
BS		 3066 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h))
3067 {
3068 asection *s = htab->elf.splt;
3069
3070 /* If this is the first .plt entry, make room for the special
3071 first entry. */
3072 if (s->size == 0)
3073 s->size += PLT_ENTRY_SIZE;
3074
3075 h->plt.offset = s->size;
3076
3077 /* If this symbol is not defined in a regular file, and we are
3078 not generating a shared library, then set the symbol to this
3079 location in the .plt. This is required to make function
3080 pointers compare as equal between the normal executable and
3081 the shared library. */
0e1862bb 3082 if (! bfd_link_pic (info) && !h->def_regular)
ac145307
BS		 3083 {
3084 h->root.u.def.section = s;
3085 h->root.u.def.value = h->plt.offset;
3086 }
3087
3088 /* Make room for this entry. */
3089 s->size += PLT_ENTRY_SIZE;
3090 /* We also need to make an entry in the .got.plt section, which
3091 will be placed in the .got section by the linker script. */
3092 htab->elf.sgotplt->size += 4;
3093 /* We also need to make an entry in the .rel.plt section. */
3094 htab->elf.srelplt->size += sizeof (Elf32_External_Rela);
3095 }
3096 else
3097 {
3098 h->plt.offset = (bfd_vma) -1;
3099 h->needs_plt = 0;
3100 }
3101 }
3102 else
3103 {
3104 h->plt.offset = (bfd_vma) -1;
3105 h->needs_plt = 0;
3106 }
3107
3108 if (h->got.refcount > 0)
3109 {
3110 asection *s;
3111
3112 /* Make sure this symbol is output as a dynamic symbol.
3113 Undefined weak syms won't yet be marked as dynamic. */
3114 if (h->dynindx == -1
3115 && !h->forced_local)
3116 {
3117 if (! bfd_elf_link_record_dynamic_symbol (info, h))
3118 return FALSE;
3119 }
3120
3121 s = htab->elf.sgot;
3122 h->got.offset = s->size;
3123 s->size += 4;
3124
3125 if (!(ELF_ST_VISIBILITY (h->other)
3126 && h->root.type == bfd_link_hash_undefweak))
3127 htab->elf.srelgot->size += sizeof (Elf32_External_Rela);
3128 }
3129 else
3130 h->got.offset = (bfd_vma) -1;
3131
3132 if (eh->dyn_relocs == NULL)
3133 return TRUE;
3134
3135 /* Discard relocs on undefined weak syms with non-default
3136 visibility. */
0e1862bb 3137 if (bfd_link_pic (info) || elf32_tic6x_using_dsbt (htab->obfd))
ac145307
BS		 3138 {
3139 /* We use the pc_count field to hold the number of
3140 R_C6000_DSBT_INDEX relocs. */
3141 if (htab->params.dsbt_index != 0)
3142 {
3143 struct elf_dyn_relocs **pp;
3144
3145 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
3146 {
3147 p->count -= p->pc_count;
3148 p->pc_count = 0;
3149 if (p->count == 0)
3150 *pp = p->next;
3151 else
3152 pp = &p->next;
3153 }
3154 }
3155
3156 if (eh->dyn_relocs != NULL
3157 && h->root.type == bfd_link_hash_undefweak)
3158 {
3159 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
3160 eh->dyn_relocs = NULL;
3161
3162 /* Make sure undefined weak symbols are output as a dynamic
3163 symbol in PIEs. */
3164 else if (h->dynindx == -1
3165 && !h->forced_local)
3166 {
3167 if (! bfd_elf_link_record_dynamic_symbol (info, h))
3168 return FALSE;
3169 }
3170 }
3171 }
3172
3173 /* Finally, allocate space. */
3174 for (p = eh->dyn_relocs; p != NULL; p = p->next)
3175 {
3176 asection *sreloc;
3177
3178 sreloc = elf_section_data (p->sec)->sreloc;
3179
3180 BFD_ASSERT (sreloc != NULL);
3181 sreloc->size += p->count * sizeof (Elf32_External_Rela);
3182 }
3183
3184 return TRUE;
3185}
3186
63c1f59d
AM		 3187/* Set DF_TEXTREL if we find any dynamic relocs that apply to
3188 read-only sections. */
ac145307
BS		 3189
3190static bfd_boolean
63c1f59d 3191maybe_set_textrel (struct elf_link_hash_entry *h, void *info_p)
ac145307 3192{
63c1f59d 3193 asection *sec;
ac145307 3194
63c1f59d
AM		 3195 if (h->root.type == bfd_link_hash_indirect)
3196 return TRUE;
ac145307 3197
63c1f59d
AM		 3198 sec = readonly_dynrelocs (h);
3199 if (sec != NULL)
3200 {
3201 struct bfd_link_info *info = (struct bfd_link_info *) info_p;
ac145307 3202
63c1f59d
AM		 3203 info->flags |= DF_TEXTREL;
3204 info->callbacks->minfo
871b3ab2 3205 (_("%pB: dynamic relocation against `%T' in read-only section `%pA'\n"),
63c1f59d 3206 sec->owner, h->root.root.string, sec);
ac145307 3207
63c1f59d
AM		 3208 /* Not an error, just cut short the traversal. */
3209 return FALSE;
ac145307
BS		 3210 }
3211 return TRUE;
3212}
3213
3214/* Set the sizes of the dynamic sections. */
3215
3216static bfd_boolean
3217elf32_tic6x_size_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
3218{
3219 struct elf32_tic6x_link_hash_table *htab;
3220 bfd *dynobj;
3221 asection *s;
3222 bfd_boolean relocs;
3223 bfd *ibfd;
3224
3225 htab = elf32_tic6x_hash_table (info);
3226 dynobj = htab->elf.dynobj;
3227 if (dynobj == NULL)
3228 abort ();
3229
3230 if (htab->elf.dynamic_sections_created)
3231 {
3232 /* Set the contents of the .interp section to the interpreter. */
9b8b325a 3233 if (bfd_link_executable (info) && !info->nointerp)
ac145307 3234 {
3d4d4302 3235 s = bfd_get_linker_section (dynobj, ".interp");
ac145307
BS		 3236 if (s == NULL)
3237 abort ();
3238 s->size = sizeof ELF_DYNAMIC_INTERPRETER;
3239 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
3240 }
3241 }
3242
3243 /* Set up .got offsets for local syms, and space for local dynamic
3244 relocs. */
c72f2fb2 3245 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
ac145307
BS		 3246 {
3247 bfd_signed_vma *local_got;
3248 bfd_signed_vma *end_local_got;
ac145307
BS		 3249 bfd_size_type locsymcount;
3250 Elf_Internal_Shdr *symtab_hdr;
3251 asection *srel;
3252
3253 for (s = ibfd->sections; s != NULL; s = s->next)
3254 {
3255 struct elf_dyn_relocs *p;
3256
3257 for (p = ((struct elf_dyn_relocs *)
3258 elf_section_data (s)->local_dynrel);
3259 p != NULL;
3260 p = p->next)
3261 {
3262 if (!bfd_is_abs_section (p->sec)
3263 && bfd_is_abs_section (p->sec->output_section))
3264 {
3265 /* Input section has been discarded, either because
3266 it is a copy of a linkonce section or due to
3267 linker script /DISCARD/, so we'll be discarding
3268 the relocs too. */
3269 }
3270 else if (p->count != 0)
3271 {
3272 srel = elf_section_data (p->sec)->sreloc;
3273 srel->size += p->count * sizeof (Elf32_External_Rela);
3274 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
3275 info->flags |= DF_TEXTREL;
3276 }
3277 }
3278 }
3279
3280 local_got = elf_local_got_refcounts (ibfd);
3281 if (!local_got)
3282 continue;
3283
3284 symtab_hdr = &elf_symtab_hdr (ibfd);
3285 locsymcount = symtab_hdr->sh_info;
3286 end_local_got = local_got + locsymcount;
3287 s = htab->elf.sgot;
3288 srel = htab->elf.srelgot;
544008aa 3289 for (; local_got < end_local_got; ++local_got)
ac145307
BS		 3290 {
3291 if (*local_got > 0)
3292 {
3293 *local_got = s->size;
3294 s->size += 4;
3295
0e1862bb 3296 if (bfd_link_pic (info) || elf32_tic6x_using_dsbt (output_bfd))
ac145307
BS		 3297 {
3298 srel->size += sizeof (Elf32_External_Rela);
3299 }
3300 }
3301 else
3302 *local_got = (bfd_vma) -1;
3303 }
3304 }
3305
3306 /* Allocate global sym .plt and .got entries, and space for global
3307 sym dynamic relocs. */
3308 elf_link_hash_traverse (&htab->elf, elf32_tic6x_allocate_dynrelocs, info);
3309
3310 /* We now have determined the sizes of the various dynamic sections.
3311 Allocate memory for them. */
3312 relocs = FALSE;
3313 for (s = dynobj->sections; s != NULL; s = s->next)
3314 {
3315 bfd_boolean strip_section = TRUE;
3316
3317 if ((s->flags & SEC_LINKER_CREATED) == 0)
3318 continue;
3319
3320 if (s == htab->dsbt)
3321 s->size = 4 * htab->params.dsbt_size;
3322 else if (s == htab->elf.splt
3323 || s == htab->elf.sgot
3324 || s == htab->elf.sgotplt
5474d94f
AM		 3325 || s == htab->elf.sdynbss
3326 || s == htab->elf.sdynrelro)
ac145307
BS		 3327 {
3328 /* Strip this section if we don't need it; see the
3329 comment below. */
3330 /* We'd like to strip these sections if they aren't needed, but if
3331 we've exported dynamic symbols from them we must leave them.
3332 It's too late to tell BFD to get rid of the symbols. */
3333
3334 if (htab->elf.hplt != NULL)
3335 strip_section = FALSE;
3336
3337 /* Round up the size of the PLT section to a multiple of 32. */
3338 if (s == htab->elf.splt && s->size > 0)
3339 s->size = (s->size + 31) & ~(bfd_vma)31;
3340 }
3341 else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rela"))
3342 {
3343 if (s->size != 0
3344 && s != htab->elf.srelplt)
3345 relocs = TRUE;
3346
3347 /* We use the reloc_count field as a counter if we need
3348 to copy relocs into the output file. */
3349 s->reloc_count = 0;
3350 }
3351 else
3352 {
3353 /* It's not one of our sections, so don't allocate space. */
3354 continue;
3355 }
3356
3357 if (s->size == 0)
3358 {
3359 /* If we don't need this section, strip it from the
3360 output file. This is mostly to handle .rel.bss and
3361 .rel.plt. We must create both sections in
3362 create_dynamic_sections, because they must be created
3363 before the linker maps input sections to output
3364 sections. The linker does that before
3365 adjust_dynamic_symbol is called, and it is that
3366 function which decides whether anything needs to go
3367 into these sections. */
3368 if (strip_section)
3369 s->flags |= SEC_EXCLUDE;
3370 continue;
3371 }
3372
3373 if ((s->flags & SEC_HAS_CONTENTS) == 0)
3374 continue;
3375
3376 /* Allocate memory for the section contents. We use bfd_zalloc
3377 here in case unused entries are not reclaimed before the
3378 section's contents are written out. This should not happen,
3379 but this way if it does, we get a R_C6000_NONE reloc instead
3380 of garbage. */
3381 s->contents = bfd_zalloc (dynobj, s->size);
3382 if (s->contents == NULL)
3383 return FALSE;
3384 }
3385
3386 if (htab->elf.dynamic_sections_created)
3387 {
3388 /* Add some entries to the .dynamic section. We fill in the
3389 values later, in elf32_tic6x_finish_dynamic_sections, but we
3390 must add the entries now so that we get the correct size for
3391 the .dynamic section. The DT_DEBUG entry is filled in by the
3392 dynamic linker and used by the debugger. */
3393#define add_dynamic_entry(TAG, VAL) \
3394 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
3395
0e1862bb 3396 if (bfd_link_executable (info))
ac145307
BS		 3397 {
3398 if (!add_dynamic_entry (DT_DEBUG, 0))
3399 return FALSE;
3400 }
3401
3402 if (!add_dynamic_entry (DT_C6000_DSBT_BASE, 0)
3403 || !add_dynamic_entry (DT_C6000_DSBT_SIZE, htab->params.dsbt_size)
3404 || !add_dynamic_entry (DT_C6000_DSBT_INDEX,
3405 htab->params.dsbt_index))
3406 return FALSE;
3407
3408 if (htab->elf.splt->size != 0)
3409 {
3410 if (!add_dynamic_entry (DT_PLTGOT, 0)
3411 || !add_dynamic_entry (DT_PLTRELSZ, 0)
3412 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
3413 || !add_dynamic_entry (DT_JMPREL, 0))
3414 return FALSE;
3415 }
3416
3417 if (relocs)
3418 {
3419 if (!add_dynamic_entry (DT_RELA, 0)
3420 || !add_dynamic_entry (DT_RELASZ, 0)
3421 || !add_dynamic_entry (DT_RELAENT, sizeof (Elf32_External_Rela)))
3422 return FALSE;
3423
3424 /* If any dynamic relocs apply to a read-only section,
3425 then we need a DT_TEXTREL entry. */
3426 if ((info->flags & DF_TEXTREL) == 0)
63c1f59d 3427 elf_link_hash_traverse (&htab->elf, maybe_set_textrel, info);
ac145307
BS		 3428
3429 if ((info->flags & DF_TEXTREL) != 0)
3430 {
3431 if (!add_dynamic_entry (DT_TEXTREL, 0))
3432 return FALSE;
3433 }
3434 }
3435 }
3436#undef add_dynamic_entry
3437
3438 return TRUE;
3439}
3440
3441/* This function is called after all the input files have been read,
3442 and the input sections have been assigned to output sections. */
3443
3444static bfd_boolean
3445elf32_tic6x_always_size_sections (bfd *output_bfd, struct bfd_link_info *info)
3446{
0e1862bb 3447 if (elf32_tic6x_using_dsbt (output_bfd) && !bfd_link_relocatable (info)
04c3a755
NS		 3448 && !bfd_elf_stack_segment_size (output_bfd, info,
3449 "__stacksize", DEFAULT_STACK_SIZE))
3450 return FALSE;
ac145307
BS		 3451
3452 return TRUE;
3453}
3454
3455static bfd_boolean
3456elf32_tic6x_finish_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
3457 struct bfd_link_info *info)
3458{
3459 struct elf32_tic6x_link_hash_table *htab;
3460 bfd *dynobj;
3461 asection *sdyn;
3462
3463 htab = elf32_tic6x_hash_table (info);
3464 dynobj = htab->elf.dynobj;
3d4d4302 3465 sdyn = bfd_get_linker_section (dynobj, ".dynamic");
ac145307
BS		 3466
3467 if (elf_hash_table (info)->dynamic_sections_created)
3468 {
3469 Elf32_External_Dyn * dyncon;
3470 Elf32_External_Dyn * dynconend;
3471
3472 BFD_ASSERT (sdyn != NULL);
3473
3474 dyncon = (Elf32_External_Dyn *) sdyn->contents;
3475 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
3476
3477 for (; dyncon < dynconend; dyncon++)
3478 {
3479 Elf_Internal_Dyn dyn;
3480 asection *s;
3481
3482 bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
3483
3484 switch (dyn.d_tag)
3485 {
3486 default:
3487 break;
3488
3489 case DT_C6000_DSBT_BASE:
3490 s = htab->dsbt;
3491 dyn.d_un.d_ptr = (s->output_section->vma + s->output_offset);
3492 break;
3493
3494 case DT_PLTGOT:
3495 s = htab->elf.sgotplt;
3496 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
3497 break;
3498
3499 case DT_JMPREL:
3500 s = htab->elf.srelplt;
3501 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
3502 break;
3503
3504 case DT_PLTRELSZ:
3505 s = htab->elf.srelplt;
3506 dyn.d_un.d_val = s->size;
3507 break;
3508 }
3509 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
3510 }
3511
3512 /* Fill in the first entry in the procedure linkage table. */
3513 if (htab->elf.splt && htab->elf.splt->size > 0)
3514 {
3515 bfd_vma got_offs = (htab->elf.sgotplt->output_section->vma
3516 + htab->elf.sgotplt->output_offset
3517 - htab->dsbt->output_section->vma
3518 - htab->dsbt->output_offset) / 4;
3519
3520 /* ldw .D2T2 *+b14[$GOT(0)],b2 */
3521 bfd_put_32 (output_bfd, got_offs << 8 | 0x0100006e,
3522 htab->elf.splt->contents);
3523 /* ldw .D2T2 *+b14[$GOT(4)],b1 */
3524 bfd_put_32 (output_bfd, (got_offs + 1) << 8 | 0x0080006e,
3525 htab->elf.splt->contents + 4);
3526 /* nop 3 */
3527 bfd_put_32 (output_bfd, 0x00004000,
3528 htab->elf.splt->contents + 8);
3529 /* b .s2 b2 */
3530 bfd_put_32 (output_bfd, 0x00080362,
3531 htab->elf.splt->contents + 12);
3532 /* nop 5 */
3533 bfd_put_32 (output_bfd, 0x00008000,
3534 htab->elf.splt->contents + 16);
3535
3536 elf_section_data (htab->elf.splt->output_section)
3537 ->this_hdr.sh_entsize = PLT_ENTRY_SIZE;
3538 }
3539 }
3540
3541 return TRUE;
3542}
3543
3544/* Return address for Ith PLT stub in section PLT, for relocation REL
3545 or (bfd_vma) -1 if it should not be included. */
3546
3547static bfd_vma
3548elf32_tic6x_plt_sym_val (bfd_vma i, const asection *plt,
3549 const arelent *rel ATTRIBUTE_UNUSED)
3550{
3551 return plt->vma + (i + 1) * PLT_ENTRY_SIZE;
3552}
3553
3554static int
3555elf32_tic6x_obj_attrs_arg_type (int tag)
59e6276b 3556{
3cbd1c06 3557 if (tag == Tag_ABI_compatibility)
59e6276b 3558 return ATTR_TYPE_FLAG_INT_VAL | ATTR_TYPE_FLAG_STR_VAL;
87779176
JM		 3559 else if (tag & 1)
3560 return ATTR_TYPE_FLAG_STR_VAL;
59e6276b 3561 else
59e6276b
JM		 3562 return ATTR_TYPE_FLAG_INT_VAL;
3563}
3564
87779176
JM		 3565static int
3566elf32_tic6x_obj_attrs_order (int num)
3567{
3568 if (num == LEAST_KNOWN_OBJ_ATTRIBUTE)
3569 return Tag_ABI_conformance;
3570 if ((num - 1) < Tag_ABI_conformance)
3571 return num - 1;
3572 return num;
3573}
3574
0547accf
JM		 3575static bfd_boolean
3576elf32_tic6x_obj_attrs_handle_unknown (bfd *abfd, int tag)
3577{
3578 if ((tag & 127) < 64)
3579 {
3580 _bfd_error_handler
695344c0 3581 /* xgettext:c-format */
871b3ab2 3582 (_("%pB: error: unknown mandatory EABI object attribute %d"),
0547accf
JM		 3583 abfd, tag);
3584 bfd_set_error (bfd_error_bad_value);
3585 return FALSE;
3586 }
3587 else
3588 {
3589 _bfd_error_handler
695344c0 3590 /* xgettext:c-format */
871b3ab2 3591 (_("%pB: warning: unknown EABI object attribute %d"),
0547accf
JM		 3592 abfd, tag);
3593 return TRUE;
3594 }
3595}
3596
75fa6dc1 3597/* Merge the Tag_ISA attribute values ARCH1 and ARCH2
59e6276b
JM		 3598 and return the merged value. At present, all merges succeed, so no
3599 return value for errors is defined. */
3600
3601int
3602elf32_tic6x_merge_arch_attributes (int arch1, int arch2)
3603{
3604 int min_arch, max_arch;
3605
3606 min_arch = (arch1 < arch2 ? arch1 : arch2);
3607 max_arch = (arch1 > arch2 ? arch1 : arch2);
3608
3609 /* In most cases, the numerically greatest value is the correct
3610 merged value, but merging C64 and C67 results in C674X. */
75fa6dc1
JM		 3611 if ((min_arch == C6XABI_Tag_ISA_C67X
3612 || min_arch == C6XABI_Tag_ISA_C67XP)
3613 && (max_arch == C6XABI_Tag_ISA_C64X
3614 || max_arch == C6XABI_Tag_ISA_C64XP))
3615 return C6XABI_Tag_ISA_C674X;
59e6276b
JM		 3616
3617 return max_arch;
3618}
3619
87779176
JM		 3620/* Convert a Tag_ABI_array_object_alignment or
3621 Tag_ABI_array_object_align_expected tag value TAG to a
3622 corresponding alignment value; return the alignment, or -1 for an
3623 unknown tag value. */
3624
3625static int
3626elf32_tic6x_tag_to_array_alignment (int tag)
3627{
3628 switch (tag)
3629 {
3630 case 0:
3631 return 8;
3632
3633 case 1:
3634 return 4;
3635
3636 case 2:
3637 return 16;
3638
3639 default:
3640 return -1;
3641 }
3642}
3643
3644/* Convert a Tag_ABI_array_object_alignment or
3645 Tag_ABI_array_object_align_expected alignment ALIGN to a
3646 corresponding tag value; return the tag value. */
3647
3648static int
3649elf32_tic6x_array_alignment_to_tag (int align)
3650{
3651 switch (align)
3652 {
3653 case 8:
3654 return 0;
3655
3656 case 4:
3657 return 1;
3658
3659 case 16:
3660 return 2;
3661
3662 default:
3663 abort ();
3664 }
3665}
3666
59e6276b
JM		 3667/* Merge attributes from IBFD and OBFD, returning TRUE if the merge
3668 succeeded, FALSE otherwise. */
3669
3670static bfd_boolean
50e03d47 3671elf32_tic6x_merge_attributes (bfd *ibfd, struct bfd_link_info *info)
59e6276b 3672{
50e03d47 3673 bfd *obfd = info->output_bfd;
87779176 3674 bfd_boolean result = TRUE;
59e6276b
JM		 3675 obj_attribute *in_attr;
3676 obj_attribute *out_attr;
87779176
JM		 3677 int i;
3678 int array_align_in, array_align_out, array_expect_in, array_expect_out;
59e6276b
JM		 3679
3680 if (!elf_known_obj_attributes_proc (obfd)[0].i)
3681 {
3682 /* This is the first object. Copy the attributes. */
3683 _bfd_elf_copy_obj_attributes (ibfd, obfd);
3684
3685 out_attr = elf_known_obj_attributes_proc (obfd);
3686
3687 /* Use the Tag_null value to indicate the attributes have been
3688 initialized. */
3689 out_attr[0].i = 1;
3690
3691 return TRUE;
3692 }
3693
3694 in_attr = elf_known_obj_attributes_proc (ibfd);
3695 out_attr = elf_known_obj_attributes_proc (obfd);
3696
3697 /* No specification yet for handling of unknown attributes, so just
3698 ignore them and handle known ones. */
59e6276b 3699
87779176
JM		 3700 if (out_attr[Tag_ABI_stack_align_preserved].i
3701 < in_attr[Tag_ABI_stack_align_needed].i)
3702 {
3703 _bfd_error_handler
695344c0 3704 /* xgettext:c-format */
871b3ab2 3705 (_("error: %pB requires more stack alignment than %pB preserves"),
87779176
JM		 3706 ibfd, obfd);
3707 result = FALSE;
3708 }
3709 if (in_attr[Tag_ABI_stack_align_preserved].i
3710 < out_attr[Tag_ABI_stack_align_needed].i)
3711 {
3712 _bfd_error_handler
695344c0 3713 /* xgettext:c-format */
871b3ab2 3714 (_("error: %pB requires more stack alignment than %pB preserves"),
87779176
JM		 3715 obfd, ibfd);
3716 result = FALSE;
3717 }
3718
3719 array_align_in = elf32_tic6x_tag_to_array_alignment
3720 (in_attr[Tag_ABI_array_object_alignment].i);
3721 if (array_align_in == -1)
3722 {
3723 _bfd_error_handler
871b3ab2 3724 (_("error: unknown Tag_ABI_array_object_alignment value in %pB"),
87779176
JM		 3725 ibfd);
3726 result = FALSE;
3727 }
3728 array_align_out = elf32_tic6x_tag_to_array_alignment
3729 (out_attr[Tag_ABI_array_object_alignment].i);
3730 if (array_align_out == -1)
3731 {
3732 _bfd_error_handler
871b3ab2 3733 (_("error: unknown Tag_ABI_array_object_alignment value in %pB"),
87779176
JM		 3734 obfd);
3735 result = FALSE;
3736 }
3737 array_expect_in = elf32_tic6x_tag_to_array_alignment
3738 (in_attr[Tag_ABI_array_object_align_expected].i);
3739 if (array_expect_in == -1)
3740 {
3741 _bfd_error_handler
871b3ab2 3742 (_("error: unknown Tag_ABI_array_object_align_expected value in %pB"),
87779176
JM		 3743 ibfd);
3744 result = FALSE;
3745 }
3746 array_expect_out = elf32_tic6x_tag_to_array_alignment
3747 (out_attr[Tag_ABI_array_object_align_expected].i);
3748 if (array_expect_out == -1)
3749 {
3750 _bfd_error_handler
871b3ab2 3751 (_("error: unknown Tag_ABI_array_object_align_expected value in %pB"),
87779176
JM		 3752 obfd);
3753 result = FALSE;
3754 }
3755
3756 if (array_align_out < array_expect_in)
3757 {
3758 _bfd_error_handler
695344c0 3759 /* xgettext:c-format */
871b3ab2 3760 (_("error: %pB requires more array alignment than %pB preserves"),
87779176
JM		 3761 ibfd, obfd);
3762 result = FALSE;
3763 }
3764 if (array_align_in < array_expect_out)
b5593623
JM		 3765 {
3766 _bfd_error_handler
695344c0 3767 /* xgettext:c-format */
871b3ab2 3768 (_("error: %pB requires more array alignment than %pB preserves"),
b5593623 3769 obfd, ibfd);
87779176 3770 result = FALSE;
b5593623 3771 }
87779176
JM		 3772
3773 for (i = LEAST_KNOWN_OBJ_ATTRIBUTE; i < NUM_KNOWN_OBJ_ATTRIBUTES; i++)
3774 {
3775 switch (i)
3776 {
3777 case Tag_ISA:
3778 out_attr[i].i = elf32_tic6x_merge_arch_attributes (in_attr[i].i,
3779 out_attr[i].i);
3780 break;
3781
3782 case Tag_ABI_wchar_t:
3783 if (out_attr[i].i == 0)
3784 out_attr[i].i = in_attr[i].i;
3785 if (out_attr[i].i != 0
3786 && in_attr[i].i != 0
3787 && out_attr[i].i != in_attr[i].i)
3788 {
3789 _bfd_error_handler
695344c0 3790 /* xgettext:c-format */
871b3ab2 3791 (_("warning: %pB and %pB differ in wchar_t size"), obfd, ibfd);
87779176
JM		 3792 }
3793 break;
3794
3795 case Tag_ABI_stack_align_needed:
3796 if (out_attr[i].i < in_attr[i].i)
3797 out_attr[i].i = in_attr[i].i;
3798 break;
3799
3800 case Tag_ABI_stack_align_preserved:
3801 if (out_attr[i].i > in_attr[i].i)
3802 out_attr[i].i = in_attr[i].i;
3803 break;
3804
3805 case Tag_ABI_DSBT:
3806 if (out_attr[i].i != in_attr[i].i)
3807 {
3808 _bfd_error_handler
695344c0 3809 /* xgettext:c-format */
871b3ab2 3810 (_("warning: %pB and %pB differ in whether code is "
87779176
JM		 3811 "compiled for DSBT"),
3812 obfd, ibfd);
3813 }
3814 break;
3815
87779176 3816 case Tag_ABI_PIC:
c6a8f6e0
BS		 3817 case Tag_ABI_PID:
3818 if (out_attr[i].i > in_attr[i].i)
3819 out_attr[i].i = in_attr[i].i;
87779176
JM		 3820 break;
3821
3822 case Tag_ABI_array_object_alignment:
3823 if (array_align_out != -1
3824 && array_align_in != -1
3825 && array_align_out > array_align_in)
3826 out_attr[i].i
3827 = elf32_tic6x_array_alignment_to_tag (array_align_in);
3828 break;
3829
3830 case Tag_ABI_array_object_align_expected:
3831 if (array_expect_out != -1
3832 && array_expect_in != -1
3833 && array_expect_out < array_expect_in)
3834 out_attr[i].i
3835 = elf32_tic6x_array_alignment_to_tag (array_expect_in);
3836 break;
3837
3838 case Tag_ABI_conformance:
3839 /* Merging for this attribute is not specified. As on ARM,
3840 treat a missing attribute as no claim to conform and only
3841 merge identical values. */
3842 if (out_attr[i].s == NULL
3843 || in_attr[i].s == NULL
3844 || strcmp (out_attr[i].s,
3845 in_attr[i].s) != 0)
3846 out_attr[i].s = NULL;
3847 break;
3848
0547accf
JM		 3849 case Tag_ABI_compatibility:
3850 /* Merged in _bfd_elf_merge_object_attributes. */
3851 break;
3852
87779176 3853 default:
0547accf
JM		 3854 result
3855 = result && _bfd_elf_merge_unknown_attribute_low (ibfd, obfd, i);
87779176
JM		 3856 break;
3857 }
3858
3859 if (in_attr[i].type && !out_attr[i].type)
3860 out_attr[i].type = in_attr[i].type;
3861 }
3862
3cbd1c06 3863 /* Merge Tag_ABI_compatibility attributes and any common GNU ones. */
50e03d47 3864 if (!_bfd_elf_merge_object_attributes (ibfd, info))
3cbd1c06 3865 return FALSE;
59e6276b 3866
0547accf
JM		 3867 result &= _bfd_elf_merge_unknown_attribute_list (ibfd, obfd);
3868
87779176 3869 return result;
59e6276b
JM		 3870}
3871
3872static bfd_boolean
50e03d47 3873elf32_tic6x_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
59e6276b 3874{
50e03d47 3875 if (!_bfd_generic_verify_endian_match (ibfd, info))
59e6276b
JM		 3876 return FALSE;
3877
50e03d47 3878 if (! is_tic6x_elf (ibfd) || ! is_tic6x_elf (info->output_bfd))
b781d74f
JM		 3879 return TRUE;
3880
50e03d47 3881 if (!elf32_tic6x_merge_attributes (ibfd, info))
59e6276b
JM		 3882 return FALSE;
3883
3884 return TRUE;
3885}
3886
fbd9ad90
PB		 3887/* Add a new unwind edit to the list described by HEAD, TAIL. If TINDEX is zero,
3888 adds the edit to the start of the list. (The list must be built in order of
3889 ascending TINDEX: the function's callers are primarily responsible for
3890 maintaining that condition). */
3891
3892static void
3893elf32_tic6x_add_unwind_table_edit (tic6x_unwind_table_edit **head,
3894 tic6x_unwind_table_edit **tail,
3895 tic6x_unwind_edit_type type,
3896 asection *linked_section,
3897 unsigned int tindex)
3898{
3899 tic6x_unwind_table_edit *new_edit = (tic6x_unwind_table_edit *)
3900 xmalloc (sizeof (tic6x_unwind_table_edit));
68ffbac6 3901
fbd9ad90
PB		 3902 new_edit->type = type;
3903 new_edit->linked_section = linked_section;
3904 new_edit->index = tindex;
68ffbac6 3905
fbd9ad90
PB		 3906 if (tindex > 0)
3907 {
3908 new_edit->next = NULL;
3909
3910 if (*tail)
3911 (*tail)->next = new_edit;
3912
3913 (*tail) = new_edit;
3914
3915 if (!*head)
3916 (*head) = new_edit;
3917 }
3918 else
3919 {
3920 new_edit->next = *head;
3921
3922 if (!*tail)
3923 *tail = new_edit;
3924
3925 *head = new_edit;
3926 }
3927}
3928
3929static _tic6x_elf_section_data *
3930get_tic6x_elf_section_data (asection * sec)
3931{
3932 if (sec && sec->owner && is_tic6x_elf (sec->owner))
3933 return elf32_tic6x_section_data (sec);
3934 else
3935 return NULL;
3936}
3937
3938
3939/* Increase the size of EXIDX_SEC by ADJUST bytes. ADJUST must be negative. */
3940static void
3941elf32_tic6x_adjust_exidx_size (asection *exidx_sec, int adjust)
3942{
3943 asection *out_sec;
3944
3945 if (!exidx_sec->rawsize)
3946 exidx_sec->rawsize = exidx_sec->size;
3947
3948 bfd_set_section_size (exidx_sec->owner, exidx_sec, exidx_sec->size + adjust);
3949 out_sec = exidx_sec->output_section;
3950 /* Adjust size of output section. */
3951 bfd_set_section_size (out_sec->owner, out_sec, out_sec->size +adjust);
3952}
3953
3954/* Insert an EXIDX_CANTUNWIND marker at the end of a section. */
3955static void
3956elf32_tic6x_insert_cantunwind_after (asection *text_sec, asection *exidx_sec)
3957{
3958 struct _tic6x_elf_section_data *exidx_data;
3959
3960 exidx_data = get_tic6x_elf_section_data (exidx_sec);
3961 elf32_tic6x_add_unwind_table_edit (
3962 &exidx_data->u.exidx.unwind_edit_list,
3963 &exidx_data->u.exidx.unwind_edit_tail,
3964 INSERT_EXIDX_CANTUNWIND_AT_END, text_sec, UINT_MAX);
3965
3966 elf32_tic6x_adjust_exidx_size (exidx_sec, 8);
3967}
3968
3969/* Scan .cx6abi.exidx tables, and create a list describing edits which
3970 should be made to those tables, such that:
68ffbac6 3971
fbd9ad90
PB		 3972 1. Regions without unwind data are marked with EXIDX_CANTUNWIND entries.
3973 2. Duplicate entries are merged together (EXIDX_CANTUNWIND, or unwind
07d6d2b8 3974 codes which have been inlined into the index).
fbd9ad90
PB		 3975
3976 If MERGE_EXIDX_ENTRIES is false, duplicate entries are not merged.
3977
3978 The edits are applied when the tables are written
3979 (in elf32_tic6x_write_section).
3980*/
3981
3982bfd_boolean
3983elf32_tic6x_fix_exidx_coverage (asection **text_section_order,
3984 unsigned int num_text_sections,
3985 struct bfd_link_info *info,
3986 bfd_boolean merge_exidx_entries)
3987{
3988 bfd *inp;
3989 unsigned int last_second_word = 0, i;
3990 asection *last_exidx_sec = NULL;
3991 asection *last_text_sec = NULL;
3992 int last_unwind_type = -1;
3993
3994 /* Walk over all EXIDX sections, and create backlinks from the corrsponding
3995 text sections. */
c72f2fb2 3996 for (inp = info->input_bfds; inp != NULL; inp = inp->link.next)
fbd9ad90
PB		 3997 {
3998 asection *sec;
68ffbac6 3999
fbd9ad90 4000 for (sec = inp->sections; sec != NULL; sec = sec->next)
07d6d2b8 4001 {
fbd9ad90
PB		 4002 struct bfd_elf_section_data *elf_sec = elf_section_data (sec);
4003 Elf_Internal_Shdr *hdr = &elf_sec->this_hdr;
68ffbac6 4004
fbd9ad90
PB		 4005 if (!hdr || hdr->sh_type != SHT_C6000_UNWIND)
4006 continue;
68ffbac6 4007
fbd9ad90
PB		 4008 if (elf_sec->linked_to)
4009 {
4010 Elf_Internal_Shdr *linked_hdr
07d6d2b8 4011 = &elf_section_data (elf_sec->linked_to)->this_hdr;
fbd9ad90 4012 struct _tic6x_elf_section_data *linked_sec_tic6x_data
07d6d2b8 4013 = get_tic6x_elf_section_data (linked_hdr->bfd_section);
fbd9ad90
PB		 4014
4015 if (linked_sec_tic6x_data == NULL)
07d6d2b8 4016 continue;
fbd9ad90
PB		 4017
4018 /* Link this .c6xabi.exidx section back from the
4019 text section it describes. */
4020 linked_sec_tic6x_data->u.text.tic6x_exidx_sec = sec;
4021 }
4022 }
4023 }
4024
4025 /* Walk all text sections in order of increasing VMA. Eilminate duplicate
4026 index table entries (EXIDX_CANTUNWIND and inlined unwind opcodes),
4027 and add EXIDX_CANTUNWIND entries for sections with no unwind table data. */
4028
4029 for (i = 0; i < num_text_sections; i++)
4030 {
4031 asection *sec = text_section_order[i];
4032 asection *exidx_sec;
4033 struct _tic6x_elf_section_data *tic6x_data
07d6d2b8 4034 = get_tic6x_elf_section_data (sec);
fbd9ad90
PB		 4035 struct _tic6x_elf_section_data *exidx_data;
4036 bfd_byte *contents = NULL;
4037 int deleted_exidx_bytes = 0;
4038 bfd_vma j;
4039 tic6x_unwind_table_edit *unwind_edit_head = NULL;
4040 tic6x_unwind_table_edit *unwind_edit_tail = NULL;
4041 Elf_Internal_Shdr *hdr;
4042 bfd *ibfd;
4043
4044 if (tic6x_data == NULL)
07d6d2b8 4045 continue;
fbd9ad90
PB		 4046
4047 exidx_sec = tic6x_data->u.text.tic6x_exidx_sec;
4048 if (exidx_sec == NULL)
4049 {
4050 /* Section has no unwind data. */
4051 if (last_unwind_type == 0 || !last_exidx_sec)
4052 continue;
4053
4054 /* Ignore zero sized sections. */
4055 if (sec->size == 0)
4056 continue;
4057
4058 elf32_tic6x_insert_cantunwind_after (last_text_sec, last_exidx_sec);
4059 last_unwind_type = 0;
4060 continue;
4061 }
4062
4063 /* Skip /DISCARD/ sections. */
4064 if (bfd_is_abs_section (exidx_sec->output_section))
4065 continue;
4066
4067 hdr = &elf_section_data (exidx_sec)->this_hdr;
4068 if (hdr->sh_type != SHT_C6000_UNWIND)
07d6d2b8 4069 continue;
68ffbac6 4070
fbd9ad90
PB		 4071 exidx_data = get_tic6x_elf_section_data (exidx_sec);
4072 if (exidx_data == NULL)
07d6d2b8 4073 continue;
68ffbac6 4074
fbd9ad90 4075 ibfd = exidx_sec->owner;
68ffbac6 4076
fbd9ad90
PB		 4077 if (hdr->contents != NULL)
4078 contents = hdr->contents;
4079 else if (! bfd_malloc_and_get_section (ibfd, exidx_sec, &contents))
4080 /* An error? */
4081 continue;
4082
4083 for (j = 0; j < hdr->sh_size; j += 8)
4084 {
4085 unsigned int second_word = bfd_get_32 (ibfd, contents + j + 4);
4086 int unwind_type;
4087 int elide = 0;
4088
4089 /* An EXIDX_CANTUNWIND entry. */
4090 if (second_word == 1)
4091 {
4092 if (last_unwind_type == 0)
4093 elide = 1;
4094 unwind_type = 0;
4095 }
4096 /* Inlined unwinding data. Merge if equal to previous. */
4097 else if ((second_word & 0x80000000) != 0)
4098 {
4099 if (merge_exidx_entries
4100 && last_second_word == second_word
4101 && last_unwind_type == 1)
4102 elide = 1;
4103 unwind_type = 1;
4104 last_second_word = second_word;
4105 }
4106 /* Normal table entry. In theory we could merge these too,
4107 but duplicate entries are likely to be much less common. */
4108 else
4109 unwind_type = 2;
4110
4111 if (elide)
4112 {
4113 elf32_tic6x_add_unwind_table_edit (&unwind_edit_head,
4114 &unwind_edit_tail, DELETE_EXIDX_ENTRY, NULL, j / 8);
4115
4116 deleted_exidx_bytes += 8;
4117 }
4118
4119 last_unwind_type = unwind_type;
4120 }
4121
4122 /* Free contents if we allocated it ourselves. */
4123 if (contents != hdr->contents)
07d6d2b8 4124 free (contents);
fbd9ad90
PB		 4125
4126 /* Record edits to be applied later (in elf32_tic6x_write_section). */
4127 exidx_data->u.exidx.unwind_edit_list = unwind_edit_head;
4128 exidx_data->u.exidx.unwind_edit_tail = unwind_edit_tail;
68ffbac6 4129
fbd9ad90
PB		 4130 if (deleted_exidx_bytes > 0)
4131 elf32_tic6x_adjust_exidx_size (exidx_sec, -deleted_exidx_bytes);
4132
4133 last_exidx_sec = exidx_sec;
4134 last_text_sec = sec;
4135 }
4136
4137 /* Add terminating CANTUNWIND entry. */
4138 if (last_exidx_sec && last_unwind_type != 0)
4139 elf32_tic6x_insert_cantunwind_after (last_text_sec, last_exidx_sec);
4140
4141 return TRUE;
4142}
4143
4144/* Add ADDEND to lower 31 bits of VAL, leaving other bits unmodified. */
4145
4146static unsigned long
4147elf32_tic6x_add_low31 (unsigned long val, bfd_vma addend)
4148{
4149 return (val & ~0x7ffffffful) | ((val + addend) & 0x7ffffffful);
4150}
4151
4152/* Copy an .c6xabi.exidx table entry, adding OFFSET to (applied) PREL31
4153 relocations. OFFSET is in bytes, and will be scaled before encoding. */
4154
4155
4156static void
4157elf32_tic6x_copy_exidx_entry (bfd *output_bfd, bfd_byte *to, bfd_byte *from,
4158 bfd_vma offset)
4159{
4160 unsigned long first_word = bfd_get_32 (output_bfd, from);
4161 unsigned long second_word = bfd_get_32 (output_bfd, from + 4);
4162
4163 offset >>= 1;
4164 /* High bit of first word is supposed to be zero. */
4165 if ((first_word & 0x80000000ul) == 0)
4166 first_word = elf32_tic6x_add_low31 (first_word, offset);
68ffbac6 4167
fbd9ad90
PB		 4168 /* If the high bit of the first word is clear, and the bit pattern is not 0x1
4169 (EXIDX_CANTUNWIND), this is an offset to an .c6xabi.extab entry. */
4170 if ((second_word != 0x1) && ((second_word & 0x80000000ul) == 0))
4171 second_word = elf32_tic6x_add_low31 (second_word, offset);
68ffbac6 4172
fbd9ad90
PB		 4173 bfd_put_32 (output_bfd, first_word, to);
4174 bfd_put_32 (output_bfd, second_word, to + 4);
4175}
4176
4177/* Do the actual mangling of exception index tables. */
4178
4179static bfd_boolean
4180elf32_tic6x_write_section (bfd *output_bfd,
4181 struct bfd_link_info *link_info,
4182 asection *sec,
4183 bfd_byte *contents)
4184{
4185 _tic6x_elf_section_data *tic6x_data;
4186 struct elf32_tic6x_link_hash_table *globals
4187 = elf32_tic6x_hash_table (link_info);
4188 bfd_vma offset = sec->output_section->vma + sec->output_offset;
4189
4190 if (globals == NULL)
4191 return FALSE;
4192
4193 /* If this section has not been allocated an _tic6x_elf_section_data
4194 structure then we cannot record anything. */
4195 tic6x_data = get_tic6x_elf_section_data (sec);
4196 if (tic6x_data == NULL)
4197 return FALSE;
4198
4199 if (tic6x_data->elf.this_hdr.sh_type != SHT_C6000_UNWIND)
4200 return FALSE;
4201
4202 tic6x_unwind_table_edit *edit_node
4203 = tic6x_data->u.exidx.unwind_edit_list;
4204 /* Now, sec->size is the size of the section we will write. The original
4205 size (before we merged duplicate entries and inserted EXIDX_CANTUNWIND
4206 markers) was sec->rawsize. (This isn't the case if we perform no
4207 edits, then rawsize will be zero and we should use size). */
4208 bfd_byte *edited_contents = (bfd_byte *) bfd_malloc (sec->size);
4209 unsigned int input_size = sec->rawsize ? sec->rawsize : sec->size;
4210 unsigned int in_index, out_index;
4211 bfd_vma add_to_offsets = 0;
4212
4213 for (in_index = 0, out_index = 0; in_index * 8 < input_size || edit_node;)
4214 {
4215 if (edit_node)
4216 {
4217 unsigned int edit_index = edit_node->index;
68ffbac6 4218
fbd9ad90
PB		 4219 if (in_index < edit_index && in_index * 8 < input_size)
4220 {
4221 elf32_tic6x_copy_exidx_entry (output_bfd,
4222 edited_contents + out_index * 8,
4223 contents + in_index * 8, add_to_offsets);
4224 out_index++;
4225 in_index++;
4226 }
4227 else if (in_index == edit_index
4228 || (in_index * 8 >= input_size
4229 && edit_index == UINT_MAX))
4230 {
4231 switch (edit_node->type)
4232 {
4233 case DELETE_EXIDX_ENTRY:
4234 in_index++;
4235 add_to_offsets += 8;
4236 break;
68ffbac6 4237
fbd9ad90
PB		 4238 case INSERT_EXIDX_CANTUNWIND_AT_END:
4239 {
4240 asection *text_sec = edit_node->linked_section;
4241 bfd_vma text_offset = text_sec->output_section->vma
4242 + text_sec->output_offset
4243 + text_sec->size;
4244 bfd_vma exidx_offset = offset + out_index * 8;
4245 unsigned long prel31_offset;
4246
4247 /* Note: this is meant to be equivalent to an
4248 R_C6000_PREL31 relocation. These synthetic
4249 EXIDX_CANTUNWIND markers are not relocated by the
4250 usual BFD method. */
4251 prel31_offset = ((text_offset - exidx_offset) >> 1)
4252 & 0x7ffffffful;
4253
4254 /* First address we can't unwind. */
4255 bfd_put_32 (output_bfd, prel31_offset,
4256 &edited_contents[out_index * 8]);
4257
4258 /* Code for EXIDX_CANTUNWIND. */
4259 bfd_put_32 (output_bfd, 0x1,
4260 &edited_contents[out_index * 8 + 4]);
4261
4262 out_index++;
4263 add_to_offsets -= 8;
4264 }
4265 break;
4266 }
68ffbac6 4267
fbd9ad90
PB		 4268 edit_node = edit_node->next;
4269 }
4270 }
4271 else
4272 {
4273 /* No more edits, copy remaining entries verbatim. */
4274 elf32_tic6x_copy_exidx_entry (output_bfd,
4275 edited_contents + out_index * 8,
4276 contents + in_index * 8, add_to_offsets);
4277 out_index++;
4278 in_index++;
4279 }
4280 }
4281
4282 if (!(sec->flags & SEC_EXCLUDE) && !(sec->flags & SEC_NEVER_LOAD))
4283 bfd_set_section_contents (output_bfd, sec->output_section,
4284 edited_contents,
4285 (file_ptr) sec->output_offset, sec->size);
4286
4287 return TRUE;
4288}
4289
6d00b590 4290#define TARGET_LITTLE_SYM tic6x_elf32_le_vec
40b36596 4291#define TARGET_LITTLE_NAME "elf32-tic6x-le"
6d00b590 4292#define TARGET_BIG_SYM tic6x_elf32_be_vec
40b36596
JM		 4293#define TARGET_BIG_NAME "elf32-tic6x-be"
4294#define ELF_ARCH bfd_arch_tic6x
ae95ffa6 4295#define ELF_TARGET_ID TIC6X_ELF_DATA
40b36596 4296#define ELF_MACHINE_CODE EM_TI_C6000
ac145307 4297#define ELF_MAXPAGESIZE 0x1000
40b36596
JM		 4298#define bfd_elf32_bfd_reloc_type_lookup elf32_tic6x_reloc_type_lookup
4299#define bfd_elf32_bfd_reloc_name_lookup elf32_tic6x_reloc_name_lookup
59e6276b 4300#define bfd_elf32_bfd_merge_private_bfd_data elf32_tic6x_merge_private_bfd_data
41820509 4301#define bfd_elf32_mkobject elf32_tic6x_mkobject
ac145307 4302#define bfd_elf32_bfd_link_hash_table_create elf32_tic6x_link_hash_table_create
41820509 4303#define bfd_elf32_new_section_hook elf32_tic6x_new_section_hook
04c3a755 4304#define elf_backend_stack_align 8
40b36596
JM		 4305#define elf_backend_can_gc_sections 1
4306#define elf_backend_default_use_rela_p 1
4307#define elf_backend_may_use_rel_p 1
4308#define elf_backend_may_use_rela_p 1
59e6276b 4309#define elf_backend_obj_attrs_arg_type elf32_tic6x_obj_attrs_arg_type
0547accf 4310#define elf_backend_obj_attrs_handle_unknown elf32_tic6x_obj_attrs_handle_unknown
87779176 4311#define elf_backend_obj_attrs_order elf32_tic6x_obj_attrs_order
75fa6dc1 4312#define elf_backend_obj_attrs_section ".c6xabi.attributes"
59e6276b
JM		 4313#define elf_backend_obj_attrs_section_type SHT_C6000_ATTRIBUTES
4314#define elf_backend_obj_attrs_vendor "c6xabi"
ac145307
BS		 4315#define elf_backend_can_refcount 1
4316#define elf_backend_want_got_plt 1
4317#define elf_backend_want_dynbss 1
5474d94f 4318#define elf_backend_want_dynrelro 1
ac145307 4319#define elf_backend_plt_readonly 1
40b36596 4320#define elf_backend_rela_normal 1
ac145307 4321#define elf_backend_got_header_size 8
1bce6bd8 4322#define elf_backend_fake_sections elf32_tic6x_fake_sections
9cf0e282 4323#define elf_backend_gc_mark_extra_sections elf32_tic6x_gc_mark_extra_sections
ac145307
BS		 4324#define elf_backend_create_dynamic_sections \
4325 elf32_tic6x_create_dynamic_sections
4326#define elf_backend_adjust_dynamic_symbol \
4327 elf32_tic6x_adjust_dynamic_symbol
07d6d2b8 4328#define elf_backend_check_relocs elf32_tic6x_check_relocs
ac145307
BS		 4329#define elf_backend_add_symbol_hook elf32_tic6x_add_symbol_hook
4330#define elf_backend_symbol_processing elf32_tic6x_symbol_processing
4331#define elf_backend_link_output_symbol_hook \
4332 elf32_tic6x_link_output_symbol_hook
4333#define elf_backend_section_from_bfd_section \
4334 elf32_tic6x_section_from_bfd_section
40b36596 4335#define elf_backend_relocate_section elf32_tic6x_relocate_section
2a616379 4336#define elf_backend_relocs_compatible _bfd_elf_relocs_compatible
ac145307
BS		 4337#define elf_backend_finish_dynamic_symbol \
4338 elf32_tic6x_finish_dynamic_symbol
4339#define elf_backend_always_size_sections \
4340 elf32_tic6x_always_size_sections
4341#define elf_backend_size_dynamic_sections \
4342 elf32_tic6x_size_dynamic_sections
4343#define elf_backend_finish_dynamic_sections \
4344 elf32_tic6x_finish_dynamic_sections
c6a8f6e0
BS		 4345#define bfd_elf32_bfd_final_link \
4346 elf32_tic6x_final_link
fbd9ad90 4347#define elf_backend_write_section elf32_tic6x_write_section
40b36596 4348#define elf_info_to_howto elf32_tic6x_info_to_howto
41820509 4349#define elf_info_to_howto_rel elf32_tic6x_info_to_howto_rel
40b36596 4350
ac145307
BS		 4351#undef elf_backend_omit_section_dynsym
4352#define elf_backend_omit_section_dynsym elf32_tic6x_link_omit_section_dynsym
4353#define elf_backend_plt_sym_val elf32_tic6x_plt_sym_val
4354
2a616379
BS		 4355#include "elf32-target.h"
4356
4357#undef elf32_bed
4358#define elf32_bed elf32_tic6x_linux_bed
4359
4360#undef TARGET_LITTLE_SYM
6d00b590 4361#define TARGET_LITTLE_SYM tic6x_elf32_linux_le_vec
2a616379
BS		 4362#undef TARGET_LITTLE_NAME
4363#define TARGET_LITTLE_NAME "elf32-tic6x-linux-le"
4364#undef TARGET_BIG_SYM
6d00b590 4365#define TARGET_BIG_SYM tic6x_elf32_linux_be_vec
2a616379
BS		 4366#undef TARGET_BIG_NAME
4367#define TARGET_BIG_NAME "elf32-tic6x-linux-be"
4368#undef ELF_OSABI
4369#define ELF_OSABI ELFOSABI_C6000_LINUX
4370
2a616379
BS		 4371#include "elf32-target.h"
4372
4373#undef elf32_bed
4374#define elf32_bed elf32_tic6x_elf_bed
4375
4376#undef TARGET_LITTLE_SYM
6d00b590 4377#define TARGET_LITTLE_SYM tic6x_elf32_c6000_le_vec
2a616379
BS		 4378#undef TARGET_LITTLE_NAME
4379#define TARGET_LITTLE_NAME "elf32-tic6x-elf-le"
4380#undef TARGET_BIG_SYM
6d00b590 4381#define TARGET_BIG_SYM tic6x_elf32_c6000_be_vec
2a616379
BS		 4382#undef TARGET_BIG_NAME
4383#define TARGET_BIG_NAME "elf32-tic6x-elf-be"
4384#undef ELF_OSABI
4385#define ELF_OSABI ELFOSABI_C6000_ELFABI
4386
40b36596 4387#include "elf32-target.h"
GDB Binutils - Deliverables
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