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* coff-arm.c (coff_arm_link_hash_table_create): Use bfd_zmalloc.
[deliverable/binutils-gdb.git] / bfd / elf32-tic6x.c
1 /* 32-bit ELF support for TI C6X
2 Copyright 2010, 2011, 2012
3 Free Software Foundation, Inc.
4 Contributed by Joseph Myers <joseph@codesourcery.com>
5 Bernd Schmidt <bernds@codesourcery.com>
6
7 This file is part of BFD, the Binary File Descriptor library.
8
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
13
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
18
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
22 MA 02110-1301, USA. */
23
24 #include "sysdep.h"
25 #include <limits.h>
26 #include "bfd.h"
27 #include "libbfd.h"
28 #include "libiberty.h"
29 #include "elf-bfd.h"
30 #include "elf/tic6x.h"
31 #include "elf32-tic6x.h"
32
33 #define ELF_DYNAMIC_INTERPRETER "/lib/ld-uClibc.so.0"
34
35 /* DSBT binaries have a default 128K stack. */
36 #define DEFAULT_STACK_SIZE 0x20000
37
38 /* The size in bytes of an entry in the procedure linkage table. */
39 #define PLT_ENTRY_SIZE 24
40
41 /* TI C6X ELF linker hash table. */
42
43 struct elf32_tic6x_link_hash_table
44 {
45 struct elf_link_hash_table elf;
46
47 /* Short-cuts to get to dynamic linker sections. */
48 asection *sdynbss;
49 asection *srelbss;
50
51 /* C6X specific command line arguments. */
52 struct elf32_tic6x_params params;
53
54 /* Small local sym cache. */
55 struct sym_cache sym_cache;
56
57 /* The output BFD, for convenience. */
58 bfd *obfd;
59
60 /* The .dsbt section. */
61 asection *dsbt;
62 };
63
64 /* Get the TI C6X ELF linker hash table from a link_info structure. */
65
66 #define elf32_tic6x_hash_table(p) \
67 ((struct elf32_tic6x_link_hash_table *) ((p)->hash))
68
69 /* TI C6X ELF linker hash entry. */
70
71 struct elf32_tic6x_link_hash_entry
72 {
73 struct elf_link_hash_entry elf;
74
75 /* Track dynamic relocs copied for this symbol. */
76 struct elf_dyn_relocs *dyn_relocs;
77 };
78
79 typedef enum
80 {
81 DELETE_EXIDX_ENTRY,
82 INSERT_EXIDX_CANTUNWIND_AT_END
83 }
84 tic6x_unwind_edit_type;
85
86 /* A (sorted) list of edits to apply to an unwind table. */
87 typedef struct tic6x_unwind_table_edit
88 {
89 tic6x_unwind_edit_type type;
90 /* Note: we sometimes want to insert an unwind entry corresponding to a
91 section different from the one we're currently writing out, so record the
92 (text) section this edit relates to here. */
93 asection *linked_section;
94 unsigned int index;
95 struct tic6x_unwind_table_edit *next;
96 }
97 tic6x_unwind_table_edit;
98
99 typedef struct _tic6x_elf_section_data
100 {
101 /* Information about mapping symbols. */
102 struct bfd_elf_section_data elf;
103 /* Information about unwind tables. */
104 union
105 {
106 /* Unwind info attached to a text section. */
107 struct
108 {
109 asection *tic6x_exidx_sec;
110 } text;
111
112 /* Unwind info attached to an .c6xabi.exidx section. */
113 struct
114 {
115 tic6x_unwind_table_edit *unwind_edit_list;
116 tic6x_unwind_table_edit *unwind_edit_tail;
117 } exidx;
118 } u;
119 }
120 _tic6x_elf_section_data;
121
122 #define elf32_tic6x_section_data(sec) \
123 ((_tic6x_elf_section_data *) elf_section_data (sec))
124
125 struct elf32_tic6x_obj_tdata
126 {
127 struct elf_obj_tdata root;
128
129 /* Whether to use RELA relocations when generating relocations.
130 This is a per-object flag to allow the assembler to generate REL
131 relocations for use in linker testcases. */
132 bfd_boolean use_rela_p;
133 };
134
135 #define elf32_tic6x_tdata(abfd) \
136 ((struct elf32_tic6x_obj_tdata *) (abfd)->tdata.any)
137
138 #define is_tic6x_elf(bfd) \
139 (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
140 && elf_tdata (bfd) != NULL \
141 && elf_object_id (bfd) == TIC6X_ELF_DATA)
142
143 /* C6X ELF uses two common sections. One is the usual one, and the
144 other is for small objects. All the small objects are kept
145 together, and then referenced via the gp pointer, which yields
146 faster assembler code. This is what we use for the small common
147 section. This approach is copied from ecoff.c. */
148 static asection tic6x_elf_scom_section;
149 static asymbol tic6x_elf_scom_symbol;
150 static asymbol *tic6x_elf_scom_symbol_ptr;
151
152 static reloc_howto_type elf32_tic6x_howto_table[] =
153 {
154 HOWTO (R_C6000_NONE, /* type */
155 0, /* rightshift */
156 0, /* size (0 = byte, 1 = short, 2 = long) */
157 0, /* bitsize */
158 FALSE, /* pc_relative */
159 0, /* bitpos */
160 complain_overflow_dont,/* complain_on_overflow */
161 bfd_elf_generic_reloc, /* special_function */
162 "R_C6000_NONE", /* name */
163 FALSE, /* partial_inplace */
164 0, /* src_mask */
165 0, /* dst_mask */
166 FALSE), /* pcrel_offset */
167 HOWTO (R_C6000_ABS32, /* type */
168 0, /* rightshift */
169 2, /* size (0 = byte, 1 = short, 2 = long) */
170 32, /* bitsize */
171 FALSE, /* pc_relative */
172 0, /* bitpos */
173 complain_overflow_dont,/* complain_on_overflow */
174 bfd_elf_generic_reloc, /* special_function */
175 "R_C6000_ABS32", /* name */
176 FALSE, /* partial_inplace */
177 0, /* src_mask */
178 0xffffffff, /* dst_mask */
179 FALSE), /* pcrel_offset */
180 HOWTO (R_C6000_ABS16, /* type */
181 0, /* rightshift */
182 1, /* size (0 = byte, 1 = short, 2 = long) */
183 16, /* bitsize */
184 FALSE, /* pc_relative */
185 0, /* bitpos */
186 complain_overflow_bitfield,/* complain_on_overflow */
187 bfd_elf_generic_reloc, /* special_function */
188 "R_C6000_ABS16", /* name */
189 FALSE, /* partial_inplace */
190 0, /* src_mask */
191 0x0000ffff, /* dst_mask */
192 FALSE), /* pcrel_offset */
193 HOWTO (R_C6000_ABS8, /* type */
194 0, /* rightshift */
195 0, /* size (0 = byte, 1 = short, 2 = long) */
196 8, /* bitsize */
197 FALSE, /* pc_relative */
198 0, /* bitpos */
199 complain_overflow_bitfield,/* complain_on_overflow */
200 bfd_elf_generic_reloc, /* special_function */
201 "R_C6000_ABS8", /* name */
202 FALSE, /* partial_inplace */
203 0, /* src_mask */
204 0x000000ff, /* dst_mask */
205 FALSE), /* pcrel_offset */
206 HOWTO (R_C6000_PCR_S21, /* type */
207 2, /* rightshift */
208 2, /* size (0 = byte, 1 = short, 2 = long) */
209 21, /* bitsize */
210 TRUE, /* pc_relative */
211 7, /* bitpos */
212 complain_overflow_signed,/* complain_on_overflow */
213 bfd_elf_generic_reloc, /* special_function */
214 "R_C6000_PCR_S21", /* name */
215 FALSE, /* partial_inplace */
216 0, /* src_mask */
217 0x0fffff80, /* dst_mask */
218 TRUE), /* pcrel_offset */
219 HOWTO (R_C6000_PCR_S12, /* type */
220 2, /* rightshift */
221 2, /* size (0 = byte, 1 = short, 2 = long) */
222 12, /* bitsize */
223 TRUE, /* pc_relative */
224 16, /* bitpos */
225 complain_overflow_signed,/* complain_on_overflow */
226 bfd_elf_generic_reloc, /* special_function */
227 "R_C6000_PCR_S12", /* name */
228 FALSE, /* partial_inplace */
229 0, /* src_mask */
230 0x0fff0000, /* dst_mask */
231 TRUE), /* pcrel_offset */
232 HOWTO (R_C6000_PCR_S10, /* type */
233 2, /* rightshift */
234 2, /* size (0 = byte, 1 = short, 2 = long) */
235 10, /* bitsize */
236 TRUE, /* pc_relative */
237 13, /* bitpos */
238 complain_overflow_signed,/* complain_on_overflow */
239 bfd_elf_generic_reloc, /* special_function */
240 "R_C6000_PCR_S10", /* name */
241 FALSE, /* partial_inplace */
242 0, /* src_mask */
243 0x007fe000, /* dst_mask */
244 TRUE), /* pcrel_offset */
245 HOWTO (R_C6000_PCR_S7, /* type */
246 2, /* rightshift */
247 2, /* size (0 = byte, 1 = short, 2 = long) */
248 7, /* bitsize */
249 TRUE, /* pc_relative */
250 16, /* bitpos */
251 complain_overflow_signed,/* complain_on_overflow */
252 bfd_elf_generic_reloc, /* special_function */
253 "R_C6000_PCR_S7", /* name */
254 FALSE, /* partial_inplace */
255 0, /* src_mask */
256 0x007f0000, /* dst_mask */
257 TRUE), /* pcrel_offset */
258 HOWTO (R_C6000_ABS_S16, /* type */
259 0, /* rightshift */
260 2, /* size (0 = byte, 1 = short, 2 = long) */
261 16, /* bitsize */
262 FALSE, /* pc_relative */
263 7, /* bitpos */
264 complain_overflow_signed,/* complain_on_overflow */
265 bfd_elf_generic_reloc, /* special_function */
266 "R_C6000_ABS_S16", /* name */
267 FALSE, /* partial_inplace */
268 0, /* src_mask */
269 0x007fff80, /* dst_mask */
270 FALSE), /* pcrel_offset */
271 HOWTO (R_C6000_ABS_L16, /* type */
272 0, /* rightshift */
273 2, /* size (0 = byte, 1 = short, 2 = long) */
274 16, /* bitsize */
275 FALSE, /* pc_relative */
276 7, /* bitpos */
277 complain_overflow_dont,/* complain_on_overflow */
278 bfd_elf_generic_reloc, /* special_function */
279 "R_C6000_ABS_L16", /* name */
280 FALSE, /* partial_inplace */
281 0, /* src_mask */
282 0x007fff80, /* dst_mask */
283 FALSE), /* pcrel_offset */
284 HOWTO (R_C6000_ABS_H16, /* type */
285 16, /* rightshift */
286 2, /* size (0 = byte, 1 = short, 2 = long) */
287 16, /* bitsize */
288 FALSE, /* pc_relative */
289 7, /* bitpos */
290 complain_overflow_dont,/* complain_on_overflow */
291 bfd_elf_generic_reloc, /* special_function */
292 "R_C6000_ABS_H16", /* name */
293 FALSE, /* partial_inplace */
294 0, /* src_mask */
295 0x007fff80, /* dst_mask */
296 FALSE), /* pcrel_offset */
297 HOWTO (R_C6000_SBR_U15_B, /* type */
298 0, /* rightshift */
299 2, /* size (0 = byte, 1 = short, 2 = long) */
300 15, /* bitsize */
301 FALSE, /* pc_relative */
302 8, /* bitpos */
303 complain_overflow_unsigned,/* complain_on_overflow */
304 bfd_elf_generic_reloc, /* special_function */
305 "R_C6000_SBR_U15_B", /* name */
306 FALSE, /* partial_inplace */
307 0, /* src_mask */
308 0x007fff00, /* dst_mask */
309 FALSE), /* pcrel_offset */
310 HOWTO (R_C6000_SBR_U15_H, /* type */
311 1, /* rightshift */
312 2, /* size (0 = byte, 1 = short, 2 = long) */
313 15, /* bitsize */
314 FALSE, /* pc_relative */
315 8, /* bitpos */
316 complain_overflow_unsigned,/* complain_on_overflow */
317 bfd_elf_generic_reloc, /* special_function */
318 "R_C6000_SBR_U15_H", /* name */
319 FALSE, /* partial_inplace */
320 0, /* src_mask */
321 0x007fff00, /* dst_mask */
322 FALSE), /* pcrel_offset */
323 HOWTO (R_C6000_SBR_U15_W, /* type */
324 2, /* rightshift */
325 2, /* size (0 = byte, 1 = short, 2 = long) */
326 15, /* bitsize */
327 FALSE, /* pc_relative */
328 8, /* bitpos */
329 complain_overflow_unsigned,/* complain_on_overflow */
330 bfd_elf_generic_reloc, /* special_function */
331 "R_C6000_SBR_U15_W", /* name */
332 FALSE, /* partial_inplace */
333 0, /* src_mask */
334 0x007fff00, /* dst_mask */
335 FALSE), /* pcrel_offset */
336 HOWTO (R_C6000_SBR_S16, /* type */
337 0, /* rightshift */
338 2, /* size (0 = byte, 1 = short, 2 = long) */
339 16, /* bitsize */
340 FALSE, /* pc_relative */
341 7, /* bitpos */
342 complain_overflow_signed,/* complain_on_overflow */
343 bfd_elf_generic_reloc, /* special_function */
344 "R_C6000_SBR_S16", /* name */
345 FALSE, /* partial_inplace */
346 0, /* src_mask */
347 0x007fff80, /* dst_mask */
348 FALSE), /* pcrel_offset */
349 HOWTO (R_C6000_SBR_L16_B, /* type */
350 0, /* rightshift */
351 2, /* size (0 = byte, 1 = short, 2 = long) */
352 16, /* bitsize */
353 FALSE, /* pc_relative */
354 7, /* bitpos */
355 complain_overflow_dont,/* complain_on_overflow */
356 bfd_elf_generic_reloc, /* special_function */
357 "R_C6000_SBR_L16_B", /* name */
358 FALSE, /* partial_inplace */
359 0, /* src_mask */
360 0x007fff80, /* dst_mask */
361 FALSE), /* pcrel_offset */
362 HOWTO (R_C6000_SBR_L16_H, /* type */
363 1, /* rightshift */
364 2, /* size (0 = byte, 1 = short, 2 = long) */
365 16, /* bitsize */
366 FALSE, /* pc_relative */
367 7, /* bitpos */
368 complain_overflow_dont,/* complain_on_overflow */
369 bfd_elf_generic_reloc, /* special_function */
370 "R_C6000_SBR_L16_H", /* name */
371 FALSE, /* partial_inplace */
372 0, /* src_mask */
373 0x007fff80, /* dst_mask */
374 FALSE), /* pcrel_offset */
375 HOWTO (R_C6000_SBR_L16_W, /* type */
376 2, /* rightshift */
377 2, /* size (0 = byte, 1 = short, 2 = long) */
378 16, /* bitsize */
379 FALSE, /* pc_relative */
380 7, /* bitpos */
381 complain_overflow_dont,/* complain_on_overflow */
382 bfd_elf_generic_reloc, /* special_function */
383 "R_C6000_SBR_L16_W", /* name */
384 FALSE, /* partial_inplace */
385 0, /* src_mask */
386 0x007fff80, /* dst_mask */
387 FALSE), /* pcrel_offset */
388 HOWTO (R_C6000_SBR_H16_B, /* type */
389 16, /* rightshift */
390 2, /* size (0 = byte, 1 = short, 2 = long) */
391 16, /* bitsize */
392 FALSE, /* pc_relative */
393 7, /* bitpos */
394 complain_overflow_dont,/* complain_on_overflow */
395 bfd_elf_generic_reloc, /* special_function */
396 "R_C6000_SBR_H16_B", /* name */
397 FALSE, /* partial_inplace */
398 0, /* src_mask */
399 0x007fff80, /* dst_mask */
400 FALSE), /* pcrel_offset */
401 HOWTO (R_C6000_SBR_H16_H, /* type */
402 17, /* rightshift */
403 2, /* size (0 = byte, 1 = short, 2 = long) */
404 16, /* bitsize */
405 FALSE, /* pc_relative */
406 7, /* bitpos */
407 complain_overflow_dont,/* complain_on_overflow */
408 bfd_elf_generic_reloc, /* special_function */
409 "R_C6000_SBR_H16_H", /* name */
410 FALSE, /* partial_inplace */
411 0, /* src_mask */
412 0x007fff80, /* dst_mask */
413 FALSE), /* pcrel_offset */
414 HOWTO (R_C6000_SBR_H16_W, /* type */
415 18, /* rightshift */
416 2, /* size (0 = byte, 1 = short, 2 = long) */
417 16, /* bitsize */
418 FALSE, /* pc_relative */
419 7, /* bitpos */
420 complain_overflow_dont,/* complain_on_overflow */
421 bfd_elf_generic_reloc, /* special_function */
422 "R_C6000_SBR_H16_W", /* name */
423 FALSE, /* partial_inplace */
424 0, /* src_mask */
425 0x007fff80, /* dst_mask */
426 FALSE), /* pcrel_offset */
427 HOWTO (R_C6000_SBR_GOT_U15_W, /* type */
428 2, /* rightshift */
429 2, /* size (0 = byte, 1 = short, 2 = long) */
430 15, /* bitsize */
431 FALSE, /* pc_relative */
432 8, /* bitpos */
433 complain_overflow_unsigned,/* complain_on_overflow */
434 bfd_elf_generic_reloc, /* special_function */
435 "R_C6000_SBR_GOT_U15_W",/* name */
436 FALSE, /* partial_inplace */
437 0, /* src_mask */
438 0x007fff00, /* dst_mask */
439 FALSE), /* pcrel_offset */
440 HOWTO (R_C6000_SBR_GOT_L16_W, /* type */
441 2, /* rightshift */
442 2, /* size (0 = byte, 1 = short, 2 = long) */
443 16, /* bitsize */
444 FALSE, /* pc_relative */
445 7, /* bitpos */
446 complain_overflow_dont,/* complain_on_overflow */
447 bfd_elf_generic_reloc, /* special_function */
448 "R_C6000_SBR_GOT_L16_W",/* name */
449 FALSE, /* partial_inplace */
450 0, /* src_mask */
451 0x007fff80, /* dst_mask */
452 FALSE), /* pcrel_offset */
453 HOWTO (R_C6000_SBR_GOT_H16_W, /* type */
454 18, /* rightshift */
455 2, /* size (0 = byte, 1 = short, 2 = long) */
456 16, /* bitsize */
457 FALSE, /* pc_relative */
458 7, /* bitpos */
459 complain_overflow_dont,/* complain_on_overflow */
460 bfd_elf_generic_reloc, /* special_function */
461 "R_C6000_SBR_GOT_H16_W",/* name */
462 FALSE, /* partial_inplace */
463 0, /* src_mask */
464 0x007fff80, /* dst_mask */
465 FALSE), /* pcrel_offset */
466 HOWTO (R_C6000_DSBT_INDEX, /* type */
467 0, /* rightshift */
468 2, /* size (0 = byte, 1 = short, 2 = long) */
469 15, /* bitsize */
470 FALSE, /* pc_relative */
471 8, /* bitpos */
472 complain_overflow_unsigned,/* complain_on_overflow */
473 bfd_elf_generic_reloc, /* special_function */
474 "R_C6000_DSBT_INDEX", /* name */
475 FALSE, /* partial_inplace */
476 0, /* src_mask */
477 0x007fff00, /* dst_mask */
478 FALSE), /* pcrel_offset */
479 HOWTO (R_C6000_PREL31, /* type */
480 1, /* rightshift */
481 2, /* size (0 = byte, 1 = short, 2 = long) */
482 31, /* bitsize */
483 TRUE, /* pc_relative */
484 0, /* bitpos */
485 complain_overflow_dont,/* complain_on_overflow */
486 bfd_elf_generic_reloc, /* special_function */
487 "R_C6000_PREL31", /* name */
488 FALSE, /* partial_inplace */
489 0, /* src_mask */
490 0x7fffffff, /* dst_mask */
491 TRUE), /* pcrel_offset */
492 HOWTO (R_C6000_COPY, /* type */
493 0, /* rightshift */
494 2, /* size (0 = byte, 1 = short, 2 = long) */
495 32, /* bitsize */
496 FALSE, /* pc_relative */
497 0, /* bitpos */
498 complain_overflow_dont,/* complain_on_overflow */
499 bfd_elf_generic_reloc, /* special_function */
500 "R_C6000_COPY", /* name */
501 FALSE, /* partial_inplace */
502 0, /* src_mask */
503 0xffffffff, /* dst_mask */
504 FALSE), /* pcrel_offset */
505 HOWTO (R_C6000_JUMP_SLOT, /* type */
506 0, /* rightshift */
507 2, /* size (0 = byte, 1 = short, 2 = long) */
508 32, /* bitsize */
509 FALSE, /* pc_relative */
510 0, /* bitpos */
511 complain_overflow_dont,/* complain_on_overflow */
512 bfd_elf_generic_reloc, /* special_function */
513 "R_C6000_JUMP_SLOT", /* name */
514 FALSE, /* partial_inplace */
515 0, /* src_mask */
516 0xffffffff, /* dst_mask */
517 FALSE), /* pcrel_offset */
518 HOWTO (R_C6000_EHTYPE, /* type */
519 0, /* rightshift */
520 2, /* size (0 = byte, 1 = short, 2 = long) */
521 32, /* bitsize */
522 FALSE, /* pc_relative */
523 0, /* bitpos */
524 complain_overflow_dont,/* complain_on_overflow */
525 bfd_elf_generic_reloc, /* special_function */
526 "R_C6000_EHTYPE", /* name */
527 FALSE, /* partial_inplace */
528 0, /* src_mask */
529 0xffffffff, /* dst_mask */
530 FALSE), /* pcrel_offset */
531 HOWTO (R_C6000_PCR_H16, /* type */
532 16, /* rightshift */
533 2, /* size (0 = byte, 1 = short, 2 = long) */
534 16, /* bitsize */
535 TRUE, /* pc_relative */
536 7, /* bitpos */
537 complain_overflow_dont,/* complain_on_overflow */
538 bfd_elf_generic_reloc, /* special_function */
539 "R_C6000_PCR_H16", /* name */
540 FALSE, /* partial_inplace */
541 0, /* src_mask */
542 0x007fff80, /* dst_mask */
543 TRUE), /* pcrel_offset */
544 HOWTO (R_C6000_PCR_L16, /* type */
545 0, /* rightshift */
546 2, /* size (0 = byte, 1 = short, 2 = long) */
547 16, /* bitsize */
548 TRUE, /* pc_relative */
549 7, /* bitpos */
550 complain_overflow_dont,/* complain_on_overflow */
551 bfd_elf_generic_reloc, /* special_function */
552 "R_C6000_PCR_L16", /* name */
553 FALSE, /* partial_inplace */
554 0, /* src_mask */
555 0x007fff80, /* dst_mask */
556 TRUE), /* pcrel_offset */
557 EMPTY_HOWTO (31),
558 EMPTY_HOWTO (32),
559 EMPTY_HOWTO (33),
560 EMPTY_HOWTO (34),
561 EMPTY_HOWTO (35),
562 EMPTY_HOWTO (36),
563 EMPTY_HOWTO (37),
564 EMPTY_HOWTO (38),
565 EMPTY_HOWTO (39),
566 EMPTY_HOWTO (40),
567 EMPTY_HOWTO (41),
568 EMPTY_HOWTO (42),
569 EMPTY_HOWTO (43),
570 EMPTY_HOWTO (44),
571 EMPTY_HOWTO (45),
572 EMPTY_HOWTO (46),
573 EMPTY_HOWTO (47),
574 EMPTY_HOWTO (48),
575 EMPTY_HOWTO (49),
576 EMPTY_HOWTO (50),
577 EMPTY_HOWTO (51),
578 EMPTY_HOWTO (52),
579 EMPTY_HOWTO (53),
580 EMPTY_HOWTO (54),
581 EMPTY_HOWTO (55),
582 EMPTY_HOWTO (56),
583 EMPTY_HOWTO (57),
584 EMPTY_HOWTO (58),
585 EMPTY_HOWTO (59),
586 EMPTY_HOWTO (60),
587 EMPTY_HOWTO (61),
588 EMPTY_HOWTO (62),
589 EMPTY_HOWTO (63),
590 EMPTY_HOWTO (64),
591 EMPTY_HOWTO (65),
592 EMPTY_HOWTO (66),
593 EMPTY_HOWTO (67),
594 EMPTY_HOWTO (68),
595 EMPTY_HOWTO (69),
596 EMPTY_HOWTO (70),
597 EMPTY_HOWTO (71),
598 EMPTY_HOWTO (72),
599 EMPTY_HOWTO (73),
600 EMPTY_HOWTO (74),
601 EMPTY_HOWTO (75),
602 EMPTY_HOWTO (76),
603 EMPTY_HOWTO (77),
604 EMPTY_HOWTO (78),
605 EMPTY_HOWTO (79),
606 EMPTY_HOWTO (80),
607 EMPTY_HOWTO (81),
608 EMPTY_HOWTO (82),
609 EMPTY_HOWTO (83),
610 EMPTY_HOWTO (84),
611 EMPTY_HOWTO (85),
612 EMPTY_HOWTO (86),
613 EMPTY_HOWTO (87),
614 EMPTY_HOWTO (88),
615 EMPTY_HOWTO (89),
616 EMPTY_HOWTO (90),
617 EMPTY_HOWTO (91),
618 EMPTY_HOWTO (92),
619 EMPTY_HOWTO (93),
620 EMPTY_HOWTO (94),
621 EMPTY_HOWTO (95),
622 EMPTY_HOWTO (96),
623 EMPTY_HOWTO (97),
624 EMPTY_HOWTO (98),
625 EMPTY_HOWTO (99),
626 EMPTY_HOWTO (100),
627 EMPTY_HOWTO (101),
628 EMPTY_HOWTO (102),
629 EMPTY_HOWTO (103),
630 EMPTY_HOWTO (104),
631 EMPTY_HOWTO (105),
632 EMPTY_HOWTO (106),
633 EMPTY_HOWTO (107),
634 EMPTY_HOWTO (108),
635 EMPTY_HOWTO (109),
636 EMPTY_HOWTO (110),
637 EMPTY_HOWTO (111),
638 EMPTY_HOWTO (112),
639 EMPTY_HOWTO (113),
640 EMPTY_HOWTO (114),
641 EMPTY_HOWTO (115),
642 EMPTY_HOWTO (116),
643 EMPTY_HOWTO (117),
644 EMPTY_HOWTO (118),
645 EMPTY_HOWTO (119),
646 EMPTY_HOWTO (120),
647 EMPTY_HOWTO (121),
648 EMPTY_HOWTO (122),
649 EMPTY_HOWTO (123),
650 EMPTY_HOWTO (124),
651 EMPTY_HOWTO (125),
652 EMPTY_HOWTO (126),
653 EMPTY_HOWTO (127),
654 EMPTY_HOWTO (128),
655 EMPTY_HOWTO (129),
656 EMPTY_HOWTO (130),
657 EMPTY_HOWTO (131),
658 EMPTY_HOWTO (132),
659 EMPTY_HOWTO (133),
660 EMPTY_HOWTO (134),
661 EMPTY_HOWTO (135),
662 EMPTY_HOWTO (136),
663 EMPTY_HOWTO (137),
664 EMPTY_HOWTO (138),
665 EMPTY_HOWTO (139),
666 EMPTY_HOWTO (140),
667 EMPTY_HOWTO (141),
668 EMPTY_HOWTO (142),
669 EMPTY_HOWTO (143),
670 EMPTY_HOWTO (144),
671 EMPTY_HOWTO (145),
672 EMPTY_HOWTO (146),
673 EMPTY_HOWTO (147),
674 EMPTY_HOWTO (148),
675 EMPTY_HOWTO (149),
676 EMPTY_HOWTO (150),
677 EMPTY_HOWTO (151),
678 EMPTY_HOWTO (152),
679 EMPTY_HOWTO (153),
680 EMPTY_HOWTO (154),
681 EMPTY_HOWTO (155),
682 EMPTY_HOWTO (156),
683 EMPTY_HOWTO (157),
684 EMPTY_HOWTO (158),
685 EMPTY_HOWTO (159),
686 EMPTY_HOWTO (160),
687 EMPTY_HOWTO (161),
688 EMPTY_HOWTO (162),
689 EMPTY_HOWTO (163),
690 EMPTY_HOWTO (164),
691 EMPTY_HOWTO (165),
692 EMPTY_HOWTO (166),
693 EMPTY_HOWTO (167),
694 EMPTY_HOWTO (168),
695 EMPTY_HOWTO (169),
696 EMPTY_HOWTO (170),
697 EMPTY_HOWTO (171),
698 EMPTY_HOWTO (172),
699 EMPTY_HOWTO (173),
700 EMPTY_HOWTO (174),
701 EMPTY_HOWTO (175),
702 EMPTY_HOWTO (176),
703 EMPTY_HOWTO (177),
704 EMPTY_HOWTO (178),
705 EMPTY_HOWTO (179),
706 EMPTY_HOWTO (180),
707 EMPTY_HOWTO (181),
708 EMPTY_HOWTO (182),
709 EMPTY_HOWTO (183),
710 EMPTY_HOWTO (184),
711 EMPTY_HOWTO (185),
712 EMPTY_HOWTO (186),
713 EMPTY_HOWTO (187),
714 EMPTY_HOWTO (188),
715 EMPTY_HOWTO (189),
716 EMPTY_HOWTO (190),
717 EMPTY_HOWTO (191),
718 EMPTY_HOWTO (192),
719 EMPTY_HOWTO (193),
720 EMPTY_HOWTO (194),
721 EMPTY_HOWTO (195),
722 EMPTY_HOWTO (196),
723 EMPTY_HOWTO (197),
724 EMPTY_HOWTO (198),
725 EMPTY_HOWTO (199),
726 EMPTY_HOWTO (200),
727 EMPTY_HOWTO (201),
728 EMPTY_HOWTO (202),
729 EMPTY_HOWTO (203),
730 EMPTY_HOWTO (204),
731 EMPTY_HOWTO (205),
732 EMPTY_HOWTO (206),
733 EMPTY_HOWTO (207),
734 EMPTY_HOWTO (208),
735 EMPTY_HOWTO (209),
736 EMPTY_HOWTO (210),
737 EMPTY_HOWTO (211),
738 EMPTY_HOWTO (212),
739 EMPTY_HOWTO (213),
740 EMPTY_HOWTO (214),
741 EMPTY_HOWTO (215),
742 EMPTY_HOWTO (216),
743 EMPTY_HOWTO (217),
744 EMPTY_HOWTO (218),
745 EMPTY_HOWTO (219),
746 EMPTY_HOWTO (220),
747 EMPTY_HOWTO (221),
748 EMPTY_HOWTO (222),
749 EMPTY_HOWTO (223),
750 EMPTY_HOWTO (224),
751 EMPTY_HOWTO (225),
752 EMPTY_HOWTO (226),
753 EMPTY_HOWTO (227),
754 EMPTY_HOWTO (228),
755 EMPTY_HOWTO (229),
756 EMPTY_HOWTO (230),
757 EMPTY_HOWTO (231),
758 EMPTY_HOWTO (232),
759 EMPTY_HOWTO (233),
760 EMPTY_HOWTO (234),
761 EMPTY_HOWTO (235),
762 EMPTY_HOWTO (236),
763 EMPTY_HOWTO (237),
764 EMPTY_HOWTO (238),
765 EMPTY_HOWTO (239),
766 EMPTY_HOWTO (240),
767 EMPTY_HOWTO (241),
768 EMPTY_HOWTO (242),
769 EMPTY_HOWTO (243),
770 EMPTY_HOWTO (244),
771 EMPTY_HOWTO (245),
772 EMPTY_HOWTO (246),
773 EMPTY_HOWTO (247),
774 EMPTY_HOWTO (248),
775 EMPTY_HOWTO (249),
776 EMPTY_HOWTO (250),
777 EMPTY_HOWTO (251),
778 EMPTY_HOWTO (252),
779 HOWTO (R_C6000_ALIGN, /* type */
780 0, /* rightshift */
781 0, /* size (0 = byte, 1 = short, 2 = long) */
782 0, /* bitsize */
783 FALSE, /* pc_relative */
784 0, /* bitpos */
785 complain_overflow_dont,/* complain_on_overflow */
786 bfd_elf_generic_reloc, /* special_function */
787 "R_C6000_ALIGN", /* name */
788 FALSE, /* partial_inplace */
789 0, /* src_mask */
790 0, /* dst_mask */
791 FALSE), /* pcrel_offset */
792 HOWTO (R_C6000_FPHEAD, /* type */
793 0, /* rightshift */
794 0, /* size (0 = byte, 1 = short, 2 = long) */
795 0, /* bitsize */
796 FALSE, /* pc_relative */
797 0, /* bitpos */
798 complain_overflow_dont,/* complain_on_overflow */
799 bfd_elf_generic_reloc, /* special_function */
800 "R_C6000_FPHEAD", /* name */
801 FALSE, /* partial_inplace */
802 0, /* src_mask */
803 0, /* dst_mask */
804 FALSE), /* pcrel_offset */
805 HOWTO (R_C6000_NOCMP, /* type */
806 0, /* rightshift */
807 0, /* size (0 = byte, 1 = short, 2 = long) */
808 0, /* bitsize */
809 FALSE, /* pc_relative */
810 0, /* bitpos */
811 complain_overflow_dont,/* complain_on_overflow */
812 bfd_elf_generic_reloc, /* special_function */
813 "R_C6000_NOCMP", /* name */
814 FALSE, /* partial_inplace */
815 0, /* src_mask */
816 0, /* dst_mask */
817 FALSE) /* pcrel_offset */
818 };
819
820 static reloc_howto_type elf32_tic6x_howto_table_rel[] =
821 {
822 HOWTO (R_C6000_NONE, /* type */
823 0, /* rightshift */
824 0, /* size (0 = byte, 1 = short, 2 = long) */
825 0, /* bitsize */
826 FALSE, /* pc_relative */
827 0, /* bitpos */
828 complain_overflow_dont,/* complain_on_overflow */
829 bfd_elf_generic_reloc, /* special_function */
830 "R_C6000_NONE", /* name */
831 TRUE, /* partial_inplace */
832 0, /* src_mask */
833 0, /* dst_mask */
834 FALSE), /* pcrel_offset */
835 HOWTO (R_C6000_ABS32, /* type */
836 0, /* rightshift */
837 2, /* size (0 = byte, 1 = short, 2 = long) */
838 32, /* bitsize */
839 FALSE, /* pc_relative */
840 0, /* bitpos */
841 complain_overflow_dont,/* complain_on_overflow */
842 bfd_elf_generic_reloc, /* special_function */
843 "R_C6000_ABS32", /* name */
844 TRUE, /* partial_inplace */
845 0xffffffff, /* src_mask */
846 0xffffffff, /* dst_mask */
847 FALSE), /* pcrel_offset */
848 HOWTO (R_C6000_ABS16, /* type */
849 0, /* rightshift */
850 1, /* size (0 = byte, 1 = short, 2 = long) */
851 16, /* bitsize */
852 FALSE, /* pc_relative */
853 0, /* bitpos */
854 complain_overflow_bitfield,/* complain_on_overflow */
855 bfd_elf_generic_reloc, /* special_function */
856 "R_C6000_ABS16", /* name */
857 TRUE, /* partial_inplace */
858 0x0000ffff, /* src_mask */
859 0x0000ffff, /* dst_mask */
860 FALSE), /* pcrel_offset */
861 HOWTO (R_C6000_ABS8, /* type */
862 0, /* rightshift */
863 0, /* size (0 = byte, 1 = short, 2 = long) */
864 8, /* bitsize */
865 FALSE, /* pc_relative */
866 0, /* bitpos */
867 complain_overflow_bitfield,/* complain_on_overflow */
868 bfd_elf_generic_reloc, /* special_function */
869 "R_C6000_ABS8", /* name */
870 TRUE, /* partial_inplace */
871 0x000000ff, /* src_mask */
872 0x000000ff, /* dst_mask */
873 FALSE), /* pcrel_offset */
874 HOWTO (R_C6000_PCR_S21, /* type */
875 2, /* rightshift */
876 2, /* size (0 = byte, 1 = short, 2 = long) */
877 21, /* bitsize */
878 TRUE, /* pc_relative */
879 7, /* bitpos */
880 complain_overflow_signed,/* complain_on_overflow */
881 bfd_elf_generic_reloc, /* special_function */
882 "R_C6000_PCR_S21", /* name */
883 TRUE, /* partial_inplace */
884 0x0fffff80, /* src_mask */
885 0x0fffff80, /* dst_mask */
886 TRUE), /* pcrel_offset */
887 HOWTO (R_C6000_PCR_S12, /* type */
888 2, /* rightshift */
889 2, /* size (0 = byte, 1 = short, 2 = long) */
890 12, /* bitsize */
891 TRUE, /* pc_relative */
892 16, /* bitpos */
893 complain_overflow_signed,/* complain_on_overflow */
894 bfd_elf_generic_reloc, /* special_function */
895 "R_C6000_PCR_S12", /* name */
896 TRUE, /* partial_inplace */
897 0x0fff0000, /* src_mask */
898 0x0fff0000, /* dst_mask */
899 TRUE), /* pcrel_offset */
900 HOWTO (R_C6000_PCR_S10, /* type */
901 2, /* rightshift */
902 2, /* size (0 = byte, 1 = short, 2 = long) */
903 10, /* bitsize */
904 TRUE, /* pc_relative */
905 13, /* bitpos */
906 complain_overflow_signed,/* complain_on_overflow */
907 bfd_elf_generic_reloc, /* special_function */
908 "R_C6000_PCR_S10", /* name */
909 TRUE, /* partial_inplace */
910 0x007fe000, /* src_mask */
911 0x007fe000, /* dst_mask */
912 TRUE), /* pcrel_offset */
913 HOWTO (R_C6000_PCR_S7, /* type */
914 2, /* rightshift */
915 2, /* size (0 = byte, 1 = short, 2 = long) */
916 7, /* bitsize */
917 TRUE, /* pc_relative */
918 16, /* bitpos */
919 complain_overflow_signed,/* complain_on_overflow */
920 bfd_elf_generic_reloc, /* special_function */
921 "R_C6000_PCR_S7", /* name */
922 TRUE, /* partial_inplace */
923 0x007f0000, /* src_mask */
924 0x007f0000, /* dst_mask */
925 TRUE), /* pcrel_offset */
926 HOWTO (R_C6000_ABS_S16, /* type */
927 0, /* rightshift */
928 2, /* size (0 = byte, 1 = short, 2 = long) */
929 16, /* bitsize */
930 FALSE, /* pc_relative */
931 7, /* bitpos */
932 complain_overflow_signed,/* complain_on_overflow */
933 bfd_elf_generic_reloc, /* special_function */
934 "R_C6000_ABS_S16", /* name */
935 TRUE, /* partial_inplace */
936 0x007fff80, /* src_mask */
937 0x007fff80, /* dst_mask */
938 FALSE), /* pcrel_offset */
939 HOWTO (R_C6000_ABS_L16, /* type */
940 0, /* rightshift */
941 2, /* size (0 = byte, 1 = short, 2 = long) */
942 16, /* bitsize */
943 FALSE, /* pc_relative */
944 7, /* bitpos */
945 complain_overflow_dont,/* complain_on_overflow */
946 bfd_elf_generic_reloc, /* special_function */
947 "R_C6000_ABS_L16", /* name */
948 TRUE, /* partial_inplace */
949 0x007fff80, /* src_mask */
950 0x007fff80, /* dst_mask */
951 FALSE), /* pcrel_offset */
952 EMPTY_HOWTO (R_C6000_ABS_H16),
953 HOWTO (R_C6000_SBR_U15_B, /* type */
954 0, /* rightshift */
955 2, /* size (0 = byte, 1 = short, 2 = long) */
956 15, /* bitsize */
957 FALSE, /* pc_relative */
958 8, /* bitpos */
959 complain_overflow_unsigned,/* complain_on_overflow */
960 bfd_elf_generic_reloc, /* special_function */
961 "R_C6000_SBR_U15_B", /* name */
962 TRUE, /* partial_inplace */
963 0x007fff00, /* src_mask */
964 0x007fff00, /* dst_mask */
965 FALSE), /* pcrel_offset */
966 HOWTO (R_C6000_SBR_U15_H, /* type */
967 1, /* rightshift */
968 2, /* size (0 = byte, 1 = short, 2 = long) */
969 15, /* bitsize */
970 FALSE, /* pc_relative */
971 8, /* bitpos */
972 complain_overflow_unsigned,/* complain_on_overflow */
973 bfd_elf_generic_reloc, /* special_function */
974 "R_C6000_SBR_U15_H", /* name */
975 TRUE, /* partial_inplace */
976 0x007fff00, /* src_mask */
977 0x007fff00, /* dst_mask */
978 FALSE), /* pcrel_offset */
979 HOWTO (R_C6000_SBR_U15_W, /* type */
980 2, /* rightshift */
981 2, /* size (0 = byte, 1 = short, 2 = long) */
982 15, /* bitsize */
983 FALSE, /* pc_relative */
984 8, /* bitpos */
985 complain_overflow_unsigned,/* complain_on_overflow */
986 bfd_elf_generic_reloc, /* special_function */
987 "R_C6000_SBR_U15_W", /* name */
988 TRUE, /* partial_inplace */
989 0x007fff00, /* src_mask */
990 0x007fff00, /* dst_mask */
991 FALSE), /* pcrel_offset */
992 HOWTO (R_C6000_SBR_S16, /* type */
993 0, /* rightshift */
994 2, /* size (0 = byte, 1 = short, 2 = long) */
995 16, /* bitsize */
996 FALSE, /* pc_relative */
997 7, /* bitpos */
998 complain_overflow_signed,/* complain_on_overflow */
999 bfd_elf_generic_reloc, /* special_function */
1000 "R_C6000_SBR_S16", /* name */
1001 TRUE, /* partial_inplace */
1002 0x007fff80, /* src_mask */
1003 0x007fff80, /* dst_mask */
1004 FALSE), /* pcrel_offset */
1005 HOWTO (R_C6000_SBR_L16_B, /* type */
1006 0, /* rightshift */
1007 2, /* size (0 = byte, 1 = short, 2 = long) */
1008 16, /* bitsize */
1009 FALSE, /* pc_relative */
1010 7, /* bitpos */
1011 complain_overflow_dont,/* complain_on_overflow */
1012 bfd_elf_generic_reloc, /* special_function */
1013 "R_C6000_SBR_L16_B", /* name */
1014 TRUE, /* partial_inplace */
1015 0x007fff80, /* src_mask */
1016 0x007fff80, /* dst_mask */
1017 FALSE), /* pcrel_offset */
1018 HOWTO (R_C6000_SBR_L16_H, /* type */
1019 1, /* rightshift */
1020 2, /* size (0 = byte, 1 = short, 2 = long) */
1021 16, /* bitsize */
1022 FALSE, /* pc_relative */
1023 7, /* bitpos */
1024 complain_overflow_dont,/* complain_on_overflow */
1025 bfd_elf_generic_reloc, /* special_function */
1026 "R_C6000_SBR_L16_H", /* name */
1027 TRUE, /* partial_inplace */
1028 0x007fff80, /* src_mask */
1029 0x007fff80, /* dst_mask */
1030 FALSE), /* pcrel_offset */
1031 HOWTO (R_C6000_SBR_L16_W, /* type */
1032 2, /* rightshift */
1033 2, /* size (0 = byte, 1 = short, 2 = long) */
1034 16, /* bitsize */
1035 FALSE, /* pc_relative */
1036 7, /* bitpos */
1037 complain_overflow_dont,/* complain_on_overflow */
1038 bfd_elf_generic_reloc, /* special_function */
1039 "R_C6000_SBR_L16_W", /* name */
1040 TRUE, /* partial_inplace */
1041 0x007fff80, /* src_mask */
1042 0x007fff80, /* dst_mask */
1043 FALSE), /* pcrel_offset */
1044 EMPTY_HOWTO (R_C6000_SBR_H16_B),
1045 EMPTY_HOWTO (R_C6000_SBR_H16_H),
1046 EMPTY_HOWTO (R_C6000_SBR_H16_W),
1047 HOWTO (R_C6000_SBR_GOT_U15_W, /* type */
1048 2, /* rightshift */
1049 2, /* size (0 = byte, 1 = short, 2 = long) */
1050 15, /* bitsize */
1051 FALSE, /* pc_relative */
1052 8, /* bitpos */
1053 complain_overflow_unsigned,/* complain_on_overflow */
1054 bfd_elf_generic_reloc, /* special_function */
1055 "R_C6000_SBR_GOT_U15_W",/* name */
1056 TRUE, /* partial_inplace */
1057 0x007fff00, /* src_mask */
1058 0x007fff00, /* dst_mask */
1059 FALSE), /* pcrel_offset */
1060 HOWTO (R_C6000_SBR_GOT_L16_W, /* type */
1061 2, /* rightshift */
1062 2, /* size (0 = byte, 1 = short, 2 = long) */
1063 16, /* bitsize */
1064 FALSE, /* pc_relative */
1065 7, /* bitpos */
1066 complain_overflow_dont,/* complain_on_overflow */
1067 bfd_elf_generic_reloc, /* special_function */
1068 "R_C6000_SBR_GOT_L16_W",/* name */
1069 TRUE, /* partial_inplace */
1070 0x007fff80, /* src_mask */
1071 0x007fff80, /* dst_mask */
1072 FALSE), /* pcrel_offset */
1073 EMPTY_HOWTO (R_C6000_SBR_GOT_H16_W),
1074 HOWTO (R_C6000_DSBT_INDEX, /* type */
1075 0, /* rightshift */
1076 2, /* size (0 = byte, 1 = short, 2 = long) */
1077 15, /* bitsize */
1078 FALSE, /* pc_relative */
1079 8, /* bitpos */
1080 complain_overflow_unsigned,/* complain_on_overflow */
1081 bfd_elf_generic_reloc, /* special_function */
1082 "R_C6000_DSBT_INDEX", /* name */
1083 TRUE, /* partial_inplace */
1084 0, /* src_mask */
1085 0x007fff00, /* dst_mask */
1086 FALSE), /* pcrel_offset */
1087 HOWTO (R_C6000_PREL31, /* type */
1088 1, /* rightshift */
1089 2, /* size (0 = byte, 1 = short, 2 = long) */
1090 31, /* bitsize */
1091 TRUE, /* pc_relative */
1092 0, /* bitpos */
1093 complain_overflow_dont,/* complain_on_overflow */
1094 bfd_elf_generic_reloc, /* special_function */
1095 "R_C6000_PREL31", /* name */
1096 TRUE, /* partial_inplace */
1097 0, /* src_mask */
1098 0x7fffffff, /* dst_mask */
1099 TRUE), /* pcrel_offset */
1100 HOWTO (R_C6000_COPY, /* type */
1101 0, /* rightshift */
1102 2, /* size (0 = byte, 1 = short, 2 = long) */
1103 32, /* bitsize */
1104 FALSE, /* pc_relative */
1105 0, /* bitpos */
1106 complain_overflow_dont,/* complain_on_overflow */
1107 bfd_elf_generic_reloc, /* special_function */
1108 "R_C6000_COPY", /* name */
1109 TRUE, /* partial_inplace */
1110 0, /* src_mask */
1111 0xffffffff, /* dst_mask */
1112 FALSE), /* pcrel_offset */
1113 HOWTO (R_C6000_JUMP_SLOT, /* type */
1114 0, /* rightshift */
1115 2, /* size (0 = byte, 1 = short, 2 = long) */
1116 32, /* bitsize */
1117 FALSE, /* pc_relative */
1118 0, /* bitpos */
1119 complain_overflow_dont,/* complain_on_overflow */
1120 bfd_elf_generic_reloc, /* special_function */
1121 "R_C6000_JUMP_SLOT", /* name */
1122 FALSE, /* partial_inplace */
1123 0, /* src_mask */
1124 0xffffffff, /* dst_mask */
1125 FALSE), /* pcrel_offset */
1126 HOWTO (R_C6000_EHTYPE, /* type */
1127 0, /* rightshift */
1128 2, /* size (0 = byte, 1 = short, 2 = long) */
1129 32, /* bitsize */
1130 FALSE, /* pc_relative */
1131 0, /* bitpos */
1132 complain_overflow_dont,/* complain_on_overflow */
1133 bfd_elf_generic_reloc, /* special_function */
1134 "R_C6000_EHTYPE", /* name */
1135 FALSE, /* partial_inplace */
1136 0, /* src_mask */
1137 0xffffffff, /* dst_mask */
1138 FALSE), /* pcrel_offset */
1139 EMPTY_HOWTO (R_C6000_PCR_H16),
1140 EMPTY_HOWTO (R_C6000_PCR_L16),
1141 EMPTY_HOWTO (31),
1142 EMPTY_HOWTO (32),
1143 EMPTY_HOWTO (33),
1144 EMPTY_HOWTO (34),
1145 EMPTY_HOWTO (35),
1146 EMPTY_HOWTO (36),
1147 EMPTY_HOWTO (37),
1148 EMPTY_HOWTO (38),
1149 EMPTY_HOWTO (39),
1150 EMPTY_HOWTO (40),
1151 EMPTY_HOWTO (41),
1152 EMPTY_HOWTO (42),
1153 EMPTY_HOWTO (43),
1154 EMPTY_HOWTO (44),
1155 EMPTY_HOWTO (45),
1156 EMPTY_HOWTO (46),
1157 EMPTY_HOWTO (47),
1158 EMPTY_HOWTO (48),
1159 EMPTY_HOWTO (49),
1160 EMPTY_HOWTO (50),
1161 EMPTY_HOWTO (51),
1162 EMPTY_HOWTO (52),
1163 EMPTY_HOWTO (53),
1164 EMPTY_HOWTO (54),
1165 EMPTY_HOWTO (55),
1166 EMPTY_HOWTO (56),
1167 EMPTY_HOWTO (57),
1168 EMPTY_HOWTO (58),
1169 EMPTY_HOWTO (59),
1170 EMPTY_HOWTO (60),
1171 EMPTY_HOWTO (61),
1172 EMPTY_HOWTO (62),
1173 EMPTY_HOWTO (63),
1174 EMPTY_HOWTO (64),
1175 EMPTY_HOWTO (65),
1176 EMPTY_HOWTO (66),
1177 EMPTY_HOWTO (67),
1178 EMPTY_HOWTO (68),
1179 EMPTY_HOWTO (69),
1180 EMPTY_HOWTO (70),
1181 EMPTY_HOWTO (71),
1182 EMPTY_HOWTO (72),
1183 EMPTY_HOWTO (73),
1184 EMPTY_HOWTO (74),
1185 EMPTY_HOWTO (75),
1186 EMPTY_HOWTO (76),
1187 EMPTY_HOWTO (77),
1188 EMPTY_HOWTO (78),
1189 EMPTY_HOWTO (79),
1190 EMPTY_HOWTO (80),
1191 EMPTY_HOWTO (81),
1192 EMPTY_HOWTO (82),
1193 EMPTY_HOWTO (83),
1194 EMPTY_HOWTO (84),
1195 EMPTY_HOWTO (85),
1196 EMPTY_HOWTO (86),
1197 EMPTY_HOWTO (87),
1198 EMPTY_HOWTO (88),
1199 EMPTY_HOWTO (89),
1200 EMPTY_HOWTO (90),
1201 EMPTY_HOWTO (91),
1202 EMPTY_HOWTO (92),
1203 EMPTY_HOWTO (93),
1204 EMPTY_HOWTO (94),
1205 EMPTY_HOWTO (95),
1206 EMPTY_HOWTO (96),
1207 EMPTY_HOWTO (97),
1208 EMPTY_HOWTO (98),
1209 EMPTY_HOWTO (99),
1210 EMPTY_HOWTO (100),
1211 EMPTY_HOWTO (101),
1212 EMPTY_HOWTO (102),
1213 EMPTY_HOWTO (103),
1214 EMPTY_HOWTO (104),
1215 EMPTY_HOWTO (105),
1216 EMPTY_HOWTO (106),
1217 EMPTY_HOWTO (107),
1218 EMPTY_HOWTO (108),
1219 EMPTY_HOWTO (109),
1220 EMPTY_HOWTO (110),
1221 EMPTY_HOWTO (111),
1222 EMPTY_HOWTO (112),
1223 EMPTY_HOWTO (113),
1224 EMPTY_HOWTO (114),
1225 EMPTY_HOWTO (115),
1226 EMPTY_HOWTO (116),
1227 EMPTY_HOWTO (117),
1228 EMPTY_HOWTO (118),
1229 EMPTY_HOWTO (119),
1230 EMPTY_HOWTO (120),
1231 EMPTY_HOWTO (121),
1232 EMPTY_HOWTO (122),
1233 EMPTY_HOWTO (123),
1234 EMPTY_HOWTO (124),
1235 EMPTY_HOWTO (125),
1236 EMPTY_HOWTO (126),
1237 EMPTY_HOWTO (127),
1238 EMPTY_HOWTO (128),
1239 EMPTY_HOWTO (129),
1240 EMPTY_HOWTO (130),
1241 EMPTY_HOWTO (131),
1242 EMPTY_HOWTO (132),
1243 EMPTY_HOWTO (133),
1244 EMPTY_HOWTO (134),
1245 EMPTY_HOWTO (135),
1246 EMPTY_HOWTO (136),
1247 EMPTY_HOWTO (137),
1248 EMPTY_HOWTO (138),
1249 EMPTY_HOWTO (139),
1250 EMPTY_HOWTO (140),
1251 EMPTY_HOWTO (141),
1252 EMPTY_HOWTO (142),
1253 EMPTY_HOWTO (143),
1254 EMPTY_HOWTO (144),
1255 EMPTY_HOWTO (145),
1256 EMPTY_HOWTO (146),
1257 EMPTY_HOWTO (147),
1258 EMPTY_HOWTO (148),
1259 EMPTY_HOWTO (149),
1260 EMPTY_HOWTO (150),
1261 EMPTY_HOWTO (151),
1262 EMPTY_HOWTO (152),
1263 EMPTY_HOWTO (153),
1264 EMPTY_HOWTO (154),
1265 EMPTY_HOWTO (155),
1266 EMPTY_HOWTO (156),
1267 EMPTY_HOWTO (157),
1268 EMPTY_HOWTO (158),
1269 EMPTY_HOWTO (159),
1270 EMPTY_HOWTO (160),
1271 EMPTY_HOWTO (161),
1272 EMPTY_HOWTO (162),
1273 EMPTY_HOWTO (163),
1274 EMPTY_HOWTO (164),
1275 EMPTY_HOWTO (165),
1276 EMPTY_HOWTO (166),
1277 EMPTY_HOWTO (167),
1278 EMPTY_HOWTO (168),
1279 EMPTY_HOWTO (169),
1280 EMPTY_HOWTO (170),
1281 EMPTY_HOWTO (171),
1282 EMPTY_HOWTO (172),
1283 EMPTY_HOWTO (173),
1284 EMPTY_HOWTO (174),
1285 EMPTY_HOWTO (175),
1286 EMPTY_HOWTO (176),
1287 EMPTY_HOWTO (177),
1288 EMPTY_HOWTO (178),
1289 EMPTY_HOWTO (179),
1290 EMPTY_HOWTO (180),
1291 EMPTY_HOWTO (181),
1292 EMPTY_HOWTO (182),
1293 EMPTY_HOWTO (183),
1294 EMPTY_HOWTO (184),
1295 EMPTY_HOWTO (185),
1296 EMPTY_HOWTO (186),
1297 EMPTY_HOWTO (187),
1298 EMPTY_HOWTO (188),
1299 EMPTY_HOWTO (189),
1300 EMPTY_HOWTO (190),
1301 EMPTY_HOWTO (191),
1302 EMPTY_HOWTO (192),
1303 EMPTY_HOWTO (193),
1304 EMPTY_HOWTO (194),
1305 EMPTY_HOWTO (195),
1306 EMPTY_HOWTO (196),
1307 EMPTY_HOWTO (197),
1308 EMPTY_HOWTO (198),
1309 EMPTY_HOWTO (199),
1310 EMPTY_HOWTO (200),
1311 EMPTY_HOWTO (201),
1312 EMPTY_HOWTO (202),
1313 EMPTY_HOWTO (203),
1314 EMPTY_HOWTO (204),
1315 EMPTY_HOWTO (205),
1316 EMPTY_HOWTO (206),
1317 EMPTY_HOWTO (207),
1318 EMPTY_HOWTO (208),
1319 EMPTY_HOWTO (209),
1320 EMPTY_HOWTO (210),
1321 EMPTY_HOWTO (211),
1322 EMPTY_HOWTO (212),
1323 EMPTY_HOWTO (213),
1324 EMPTY_HOWTO (214),
1325 EMPTY_HOWTO (215),
1326 EMPTY_HOWTO (216),
1327 EMPTY_HOWTO (217),
1328 EMPTY_HOWTO (218),
1329 EMPTY_HOWTO (219),
1330 EMPTY_HOWTO (220),
1331 EMPTY_HOWTO (221),
1332 EMPTY_HOWTO (222),
1333 EMPTY_HOWTO (223),
1334 EMPTY_HOWTO (224),
1335 EMPTY_HOWTO (225),
1336 EMPTY_HOWTO (226),
1337 EMPTY_HOWTO (227),
1338 EMPTY_HOWTO (228),
1339 EMPTY_HOWTO (229),
1340 EMPTY_HOWTO (230),
1341 EMPTY_HOWTO (231),
1342 EMPTY_HOWTO (232),
1343 EMPTY_HOWTO (233),
1344 EMPTY_HOWTO (234),
1345 EMPTY_HOWTO (235),
1346 EMPTY_HOWTO (236),
1347 EMPTY_HOWTO (237),
1348 EMPTY_HOWTO (238),
1349 EMPTY_HOWTO (239),
1350 EMPTY_HOWTO (240),
1351 EMPTY_HOWTO (241),
1352 EMPTY_HOWTO (242),
1353 EMPTY_HOWTO (243),
1354 EMPTY_HOWTO (244),
1355 EMPTY_HOWTO (245),
1356 EMPTY_HOWTO (246),
1357 EMPTY_HOWTO (247),
1358 EMPTY_HOWTO (248),
1359 EMPTY_HOWTO (249),
1360 EMPTY_HOWTO (250),
1361 EMPTY_HOWTO (251),
1362 EMPTY_HOWTO (252),
1363 HOWTO (R_C6000_ALIGN, /* type */
1364 0, /* rightshift */
1365 0, /* size (0 = byte, 1 = short, 2 = long) */
1366 0, /* bitsize */
1367 FALSE, /* pc_relative */
1368 0, /* bitpos */
1369 complain_overflow_dont,/* complain_on_overflow */
1370 bfd_elf_generic_reloc, /* special_function */
1371 "R_C6000_ALIGN", /* name */
1372 TRUE, /* partial_inplace */
1373 0, /* src_mask */
1374 0, /* dst_mask */
1375 FALSE), /* pcrel_offset */
1376 HOWTO (R_C6000_FPHEAD, /* type */
1377 0, /* rightshift */
1378 0, /* size (0 = byte, 1 = short, 2 = long) */
1379 0, /* bitsize */
1380 FALSE, /* pc_relative */
1381 0, /* bitpos */
1382 complain_overflow_dont,/* complain_on_overflow */
1383 bfd_elf_generic_reloc, /* special_function */
1384 "R_C6000_FPHEAD", /* name */
1385 TRUE, /* partial_inplace */
1386 0, /* src_mask */
1387 0, /* dst_mask */
1388 FALSE), /* pcrel_offset */
1389 HOWTO (R_C6000_NOCMP, /* type */
1390 0, /* rightshift */
1391 0, /* size (0 = byte, 1 = short, 2 = long) */
1392 0, /* bitsize */
1393 FALSE, /* pc_relative */
1394 0, /* bitpos */
1395 complain_overflow_dont,/* complain_on_overflow */
1396 bfd_elf_generic_reloc, /* special_function */
1397 "R_C6000_NOCMP", /* name */
1398 TRUE, /* partial_inplace */
1399 0, /* src_mask */
1400 0, /* dst_mask */
1401 FALSE) /* pcrel_offset */
1402 };
1403
1404 /* Map BFD relocations to ELF relocations. */
1405
1406 typedef struct
1407 {
1408 bfd_reloc_code_real_type bfd_reloc_val;
1409 enum elf_tic6x_reloc_type elf_reloc_val;
1410 } tic6x_reloc_map;
1411
1412 static const tic6x_reloc_map elf32_tic6x_reloc_map[] =
1413 {
1414 { BFD_RELOC_NONE, R_C6000_NONE },
1415 { BFD_RELOC_32, R_C6000_ABS32 },
1416 { BFD_RELOC_16, R_C6000_ABS16 },
1417 { BFD_RELOC_8, R_C6000_ABS8 },
1418 { BFD_RELOC_C6000_PCR_S21, R_C6000_PCR_S21 },
1419 { BFD_RELOC_C6000_PCR_S12, R_C6000_PCR_S12 },
1420 { BFD_RELOC_C6000_PCR_S10, R_C6000_PCR_S10 },
1421 { BFD_RELOC_C6000_PCR_S7, R_C6000_PCR_S7 },
1422 { BFD_RELOC_C6000_ABS_S16, R_C6000_ABS_S16 },
1423 { BFD_RELOC_C6000_ABS_L16, R_C6000_ABS_L16 },
1424 { BFD_RELOC_C6000_ABS_H16, R_C6000_ABS_H16 },
1425 { BFD_RELOC_C6000_SBR_U15_B, R_C6000_SBR_U15_B },
1426 { BFD_RELOC_C6000_SBR_U15_H, R_C6000_SBR_U15_H },
1427 { BFD_RELOC_C6000_SBR_U15_W, R_C6000_SBR_U15_W },
1428 { BFD_RELOC_C6000_SBR_S16, R_C6000_SBR_S16 },
1429 { BFD_RELOC_C6000_SBR_L16_B, R_C6000_SBR_L16_B },
1430 { BFD_RELOC_C6000_SBR_L16_H, R_C6000_SBR_L16_H },
1431 { BFD_RELOC_C6000_SBR_L16_W, R_C6000_SBR_L16_W },
1432 { BFD_RELOC_C6000_SBR_H16_B, R_C6000_SBR_H16_B },
1433 { BFD_RELOC_C6000_SBR_H16_H, R_C6000_SBR_H16_H },
1434 { BFD_RELOC_C6000_SBR_H16_W, R_C6000_SBR_H16_W },
1435 { BFD_RELOC_C6000_SBR_GOT_U15_W, R_C6000_SBR_GOT_U15_W },
1436 { BFD_RELOC_C6000_SBR_GOT_L16_W, R_C6000_SBR_GOT_L16_W },
1437 { BFD_RELOC_C6000_SBR_GOT_H16_W, R_C6000_SBR_GOT_H16_W },
1438 { BFD_RELOC_C6000_DSBT_INDEX, R_C6000_DSBT_INDEX },
1439 { BFD_RELOC_C6000_PREL31, R_C6000_PREL31 },
1440 { BFD_RELOC_C6000_COPY, R_C6000_COPY },
1441 { BFD_RELOC_C6000_JUMP_SLOT, R_C6000_JUMP_SLOT },
1442 { BFD_RELOC_C6000_EHTYPE, R_C6000_EHTYPE },
1443 { BFD_RELOC_C6000_PCR_H16, R_C6000_PCR_H16 },
1444 { BFD_RELOC_C6000_PCR_L16, R_C6000_PCR_L16 },
1445 { BFD_RELOC_C6000_ALIGN, R_C6000_ALIGN },
1446 { BFD_RELOC_C6000_FPHEAD, R_C6000_FPHEAD },
1447 { BFD_RELOC_C6000_NOCMP, R_C6000_NOCMP }
1448 };
1449
1450 static reloc_howto_type *
1451 elf32_tic6x_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code)
1452 {
1453 unsigned int i;
1454
1455 for (i = 0; i < ARRAY_SIZE (elf32_tic6x_reloc_map); i++)
1456 if (elf32_tic6x_reloc_map[i].bfd_reloc_val == code)
1457 {
1458 enum elf_tic6x_reloc_type elf_reloc_val;
1459 reloc_howto_type *howto;
1460
1461 elf_reloc_val = elf32_tic6x_reloc_map[i].elf_reloc_val;
1462 if (elf32_tic6x_tdata (abfd)->use_rela_p)
1463 howto = &elf32_tic6x_howto_table[elf_reloc_val];
1464 else
1465 howto = &elf32_tic6x_howto_table_rel[elf_reloc_val];
1466
1467 /* Some relocations are RELA-only; do not return them for
1468 REL. */
1469 if (howto->name == NULL)
1470 howto = NULL;
1471
1472 return howto;
1473 }
1474
1475 return NULL;
1476 }
1477
1478 static reloc_howto_type *
1479 elf32_tic6x_reloc_name_lookup (bfd *abfd, const char *r_name)
1480 {
1481 if (elf32_tic6x_tdata (abfd)->use_rela_p)
1482 {
1483 unsigned int i;
1484
1485 for (i = 0; i < ARRAY_SIZE (elf32_tic6x_howto_table); i++)
1486 if (elf32_tic6x_howto_table[i].name != NULL
1487 && strcasecmp (elf32_tic6x_howto_table[i].name, r_name) == 0)
1488 return &elf32_tic6x_howto_table[i];
1489 }
1490 else
1491 {
1492 unsigned int i;
1493
1494 for (i = 0; i < ARRAY_SIZE (elf32_tic6x_howto_table_rel); i++)
1495 if (elf32_tic6x_howto_table_rel[i].name != NULL
1496 && strcasecmp (elf32_tic6x_howto_table_rel[i].name, r_name) == 0)
1497 return &elf32_tic6x_howto_table_rel[i];
1498 }
1499
1500 return NULL;
1501 }
1502
1503 static void
1504 elf32_tic6x_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *bfd_reloc,
1505 Elf_Internal_Rela *elf_reloc)
1506 {
1507 unsigned int r_type;
1508
1509 r_type = ELF32_R_TYPE (elf_reloc->r_info);
1510 if (r_type >= ARRAY_SIZE (elf32_tic6x_howto_table))
1511 bfd_reloc->howto = NULL;
1512 else
1513 bfd_reloc->howto = &elf32_tic6x_howto_table[r_type];
1514 }
1515
1516 static void
1517 elf32_tic6x_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED, arelent *bfd_reloc,
1518 Elf_Internal_Rela *elf_reloc)
1519 {
1520 unsigned int r_type;
1521
1522 r_type = ELF32_R_TYPE (elf_reloc->r_info);
1523 if (r_type >= ARRAY_SIZE (elf32_tic6x_howto_table_rel))
1524 bfd_reloc->howto = NULL;
1525 else
1526 bfd_reloc->howto = &elf32_tic6x_howto_table_rel[r_type];
1527 }
1528
1529 void
1530 elf32_tic6x_set_use_rela_p (bfd *abfd, bfd_boolean use_rela_p)
1531 {
1532 elf32_tic6x_tdata (abfd)->use_rela_p = use_rela_p;
1533 }
1534
1535 /* Create an entry in a C6X ELF linker hash table. */
1536
1537 static struct bfd_hash_entry *
1538 elf32_tic6x_link_hash_newfunc (struct bfd_hash_entry *entry,
1539 struct bfd_hash_table *table,
1540 const char *string)
1541 {
1542 /* Allocate the structure if it has not already been allocated by a
1543 subclass. */
1544 if (entry == NULL)
1545 {
1546 entry = bfd_hash_allocate (table,
1547 sizeof (struct elf32_tic6x_link_hash_entry));
1548 if (entry == NULL)
1549 return entry;
1550 }
1551
1552 /* Call the allocation method of the superclass. */
1553 entry = _bfd_elf_link_hash_newfunc (entry, table, string);
1554 if (entry != NULL)
1555 {
1556 struct elf32_tic6x_link_hash_entry *eh;
1557
1558 eh = (struct elf32_tic6x_link_hash_entry *) entry;
1559 eh->dyn_relocs = NULL;
1560 }
1561
1562 return entry;
1563 }
1564
1565 /* Create a C6X ELF linker hash table. */
1566
1567 static struct bfd_link_hash_table *
1568 elf32_tic6x_link_hash_table_create (bfd *abfd)
1569 {
1570 struct elf32_tic6x_link_hash_table *ret;
1571 bfd_size_type amt = sizeof (struct elf32_tic6x_link_hash_table);
1572
1573 ret = bfd_zmalloc (amt);
1574 if (ret == NULL)
1575 return NULL;
1576
1577 if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd,
1578 elf32_tic6x_link_hash_newfunc,
1579 sizeof (struct elf32_tic6x_link_hash_entry),
1580 TIC6X_ELF_DATA))
1581 {
1582 free (ret);
1583 return NULL;
1584 }
1585
1586 ret->obfd = abfd;
1587 ret->elf.is_relocatable_executable = 1;
1588
1589 return &ret->elf.root;
1590 }
1591
1592 static bfd_boolean
1593 elf32_tic6x_final_link (bfd *abfd, struct bfd_link_info *info)
1594 {
1595 if (info->shared)
1596 {
1597 obj_attribute *out_attr;
1598 out_attr = elf_known_obj_attributes_proc (abfd);
1599 if (out_attr[Tag_ABI_PIC].i == 0)
1600 {
1601 _bfd_error_handler (_("warning: generating a shared library "
1602 "containing non-PIC code"));
1603 }
1604 if (out_attr[Tag_ABI_PID].i == 0)
1605 {
1606 _bfd_error_handler (_("warning: generating a shared library "
1607 "containing non-PID code"));
1608 }
1609 }
1610 /* Invoke the regular ELF backend linker to do all the work. */
1611 if (!bfd_elf_final_link (abfd, info))
1612 return FALSE;
1613
1614 return TRUE;
1615 }
1616
1617 /* Destroy a C6X ELF linker hash table. */
1618
1619 static void
1620 elf32_tic6x_link_hash_table_free (struct bfd_link_hash_table *hash)
1621 {
1622 _bfd_generic_link_hash_table_free (hash);
1623 }
1624
1625 /* Called to pass PARAMS to the backend. We store them in the hash table
1626 associated with INFO. */
1627
1628 void
1629 elf32_tic6x_setup (struct bfd_link_info *info,
1630 struct elf32_tic6x_params *params)
1631 {
1632 struct elf32_tic6x_link_hash_table *htab = elf32_tic6x_hash_table (info);
1633 htab->params = *params;
1634 }
1635
1636 /* Determine if we're dealing with a DSBT object. */
1637
1638 static bfd_boolean
1639 elf32_tic6x_using_dsbt (bfd *abfd)
1640 {
1641 return bfd_elf_get_obj_attr_int (abfd, OBJ_ATTR_PROC,
1642 Tag_ABI_DSBT);
1643 }
1644
1645 /* Create .plt, .rela.plt, .got, .got.plt, .rela.got and .dsbt
1646 sections in DYNOBJ, and set up shortcuts to them in our hash
1647 table. */
1648
1649 static bfd_boolean
1650 elf32_tic6x_create_dynamic_sections (bfd *dynobj, struct bfd_link_info *info)
1651 {
1652 struct elf32_tic6x_link_hash_table *htab;
1653 flagword flags;
1654
1655 htab = elf32_tic6x_hash_table (info);
1656 if (htab == NULL)
1657 return FALSE;
1658
1659 if (!_bfd_elf_create_dynamic_sections (dynobj, info))
1660 return FALSE;
1661
1662 /* Create .dsbt */
1663 flags = (SEC_ALLOC | SEC_LOAD
1664 | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_LINKER_CREATED);
1665 htab->dsbt = bfd_make_section_anyway_with_flags (dynobj, ".dsbt",
1666 flags);
1667 if (htab->dsbt == NULL
1668 || ! bfd_set_section_alignment (dynobj, htab->dsbt, 2)
1669 || ! bfd_set_section_alignment (dynobj, htab->elf.splt, 5))
1670 return FALSE;
1671
1672 htab->sdynbss = bfd_get_linker_section (dynobj, ".dynbss");
1673 if (!info->shared)
1674 htab->srelbss = bfd_get_linker_section (dynobj, ".rela.bss");
1675
1676 if (!htab->sdynbss
1677 || (!info->shared && !htab->srelbss))
1678 abort ();
1679
1680 return TRUE;
1681 }
1682
1683 static bfd_boolean
1684 elf32_tic6x_mkobject (bfd *abfd)
1685 {
1686 bfd_boolean ret;
1687
1688 ret = bfd_elf_allocate_object (abfd, sizeof (struct elf32_tic6x_obj_tdata),
1689 TIC6X_ELF_DATA);
1690 if (ret)
1691 elf32_tic6x_set_use_rela_p (abfd, TRUE);
1692 return ret;
1693 }
1694
1695 /* Install relocation RELA into section SRELA, incrementing its
1696 reloc_count. */
1697
1698 static void
1699 elf32_tic6x_install_rela (bfd *output_bfd, asection *srela,
1700 Elf_Internal_Rela *rela)
1701 {
1702 bfd_byte *loc;
1703 bfd_vma off = srela->reloc_count++ * sizeof (Elf32_External_Rela);
1704 loc = srela->contents + off;
1705 BFD_ASSERT (off < srela->size);
1706 bfd_elf32_swap_reloca_out (output_bfd, rela, loc);
1707 }
1708
1709 /* Create a dynamic reloc against the GOT at offset OFFSET. The contents
1710 of the GOT at this offset have been initialized with the relocation. */
1711
1712 static void
1713 elf32_tic6x_make_got_dynreloc (bfd *output_bfd,
1714 struct elf32_tic6x_link_hash_table *htab,
1715 asection *sym_sec, bfd_vma offset)
1716 {
1717 asection *sgot = htab->elf.sgot;
1718 Elf_Internal_Rela outrel;
1719 int dynindx;
1720
1721 outrel.r_offset = sgot->output_section->vma + sgot->output_offset + offset;
1722 outrel.r_addend = bfd_get_32 (output_bfd, sgot->contents + offset);
1723 if (sym_sec && sym_sec->output_section
1724 && ! bfd_is_abs_section (sym_sec->output_section)
1725 && ! bfd_is_und_section (sym_sec->output_section))
1726 {
1727 dynindx = elf_section_data (sym_sec->output_section)->dynindx;
1728 outrel.r_addend -= sym_sec->output_section->vma;
1729 }
1730 else
1731 {
1732 dynindx = 0;
1733 }
1734 outrel.r_info = ELF32_R_INFO (dynindx, R_C6000_ABS32);
1735 elf32_tic6x_install_rela (output_bfd, htab->elf.srelgot, &outrel);
1736 }
1737
1738 /* Finish up dynamic symbol handling. We set the contents of various
1739 dynamic sections here. */
1740
1741 static bfd_boolean
1742 elf32_tic6x_finish_dynamic_symbol (bfd * output_bfd,
1743 struct bfd_link_info *info,
1744 struct elf_link_hash_entry *h,
1745 Elf_Internal_Sym * sym)
1746 {
1747 bfd *dynobj;
1748 struct elf32_tic6x_link_hash_table *htab;
1749
1750 htab = elf32_tic6x_hash_table (info);
1751 dynobj = htab->elf.dynobj;
1752
1753 if (h->plt.offset != (bfd_vma) -1)
1754 {
1755 bfd_vma plt_index;
1756 bfd_vma got_section_offset, got_dp_offset, rela_offset;
1757 Elf_Internal_Rela rela;
1758 bfd_byte *loc;
1759 asection *plt, *gotplt, *relplt;
1760 const struct elf_backend_data *bed;
1761
1762 bed = get_elf_backend_data (output_bfd);
1763
1764 BFD_ASSERT (htab->elf.splt != NULL);
1765 plt = htab->elf.splt;
1766 gotplt = htab->elf.sgotplt;
1767 relplt = htab->elf.srelplt;
1768
1769 /* This symbol has an entry in the procedure linkage table. Set
1770 it up. */
1771
1772 if ((h->dynindx == -1
1773 && !((h->forced_local || info->executable)
1774 && h->def_regular
1775 && h->type == STT_GNU_IFUNC))
1776 || plt == NULL
1777 || gotplt == NULL
1778 || relplt == NULL)
1779 abort ();
1780
1781 /* Get the index in the procedure linkage table which
1782 corresponds to this symbol. This is the index of this symbol
1783 in all the symbols for which we are making plt entries. The
1784 first entry in the procedure linkage table is reserved.
1785
1786 Get the offset into the .got table of the entry that
1787 corresponds to this function. Each .got entry is 4 bytes.
1788 The first three are reserved.
1789
1790 For static executables, we don't reserve anything. */
1791
1792 plt_index = h->plt.offset / PLT_ENTRY_SIZE - 1;
1793 got_section_offset = plt_index + bed->got_header_size / 4;
1794 got_dp_offset = got_section_offset + htab->params.dsbt_size;
1795 rela_offset = plt_index * sizeof (Elf32_External_Rela);
1796
1797 got_section_offset *= 4;
1798
1799 /* Fill in the entry in the procedure linkage table. */
1800
1801 /* ldw .d2t2 *+B14($GOT(f)), b2 */
1802 bfd_put_32 (output_bfd, got_dp_offset << 8 | 0x0100006e,
1803 plt->contents + h->plt.offset);
1804 /* mvk .s2 low(rela_offset), b0 */
1805 bfd_put_32 (output_bfd, (rela_offset & 0xffff) << 7 | 0x0000002a,
1806 plt->contents + h->plt.offset + 4);
1807 /* mvkh .s2 high(rela_offset), b0 */
1808 bfd_put_32 (output_bfd, ((rela_offset >> 16) & 0xffff) << 7 | 0x0000006a,
1809 plt->contents + h->plt.offset + 8);
1810 /* nop 2 */
1811 bfd_put_32 (output_bfd, 0x00002000,
1812 plt->contents + h->plt.offset + 12);
1813 /* b .s2 b2 */
1814 bfd_put_32 (output_bfd, 0x00080362,
1815 plt->contents + h->plt.offset + 16);
1816 /* nop 5 */
1817 bfd_put_32 (output_bfd, 0x00008000,
1818 plt->contents + h->plt.offset + 20);
1819
1820 /* Fill in the entry in the global offset table. */
1821 bfd_put_32 (output_bfd,
1822 (plt->output_section->vma + plt->output_offset),
1823 gotplt->contents + got_section_offset);
1824
1825 /* Fill in the entry in the .rel.plt section. */
1826 rela.r_offset = (gotplt->output_section->vma
1827 + gotplt->output_offset
1828 + got_section_offset);
1829 rela.r_info = ELF32_R_INFO (h->dynindx, R_C6000_JUMP_SLOT);
1830 rela.r_addend = 0;
1831 loc = relplt->contents + rela_offset;
1832 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
1833
1834 if (!h->def_regular)
1835 {
1836 /* Mark the symbol as undefined, rather than as defined in
1837 the .plt section. */
1838 sym->st_shndx = SHN_UNDEF;
1839 sym->st_value = 0;
1840 }
1841 }
1842
1843 if (h->got.offset != (bfd_vma) -1)
1844 {
1845 asection *sgot;
1846 asection *srela;
1847
1848 /* This symbol has an entry in the global offset table.
1849 Set it up. */
1850
1851 sgot = bfd_get_linker_section (dynobj, ".got");
1852 srela = bfd_get_linker_section (dynobj, ".rela.got");
1853 BFD_ASSERT (sgot != NULL && srela != NULL);
1854
1855 /* If this is a -Bsymbolic link, and the symbol is defined
1856 locally, we just want to emit a RELATIVE reloc. Likewise if
1857 the symbol was forced to be local because of a version file.
1858 The entry in the global offset table will already have been
1859 initialized in the relocate_section function. */
1860 if (info->shared
1861 && (info->symbolic
1862 || h->dynindx == -1 || h->forced_local) && h->def_regular)
1863 {
1864 asection *s = h->root.u.def.section;
1865 elf32_tic6x_make_got_dynreloc (output_bfd, htab, s,
1866 h->got.offset & ~(bfd_vma) 1);
1867 }
1868 else
1869 {
1870 Elf_Internal_Rela outrel;
1871 bfd_put_32 (output_bfd, (bfd_vma) 0,
1872 sgot->contents + (h->got.offset & ~(bfd_vma) 1));
1873 outrel.r_offset = (sgot->output_section->vma
1874 + sgot->output_offset
1875 + (h->got.offset & ~(bfd_vma) 1));
1876 outrel.r_info = ELF32_R_INFO (h->dynindx, R_C6000_ABS32);
1877 outrel.r_addend = 0;
1878
1879 elf32_tic6x_install_rela (output_bfd, srela, &outrel);
1880 }
1881 }
1882
1883 if (h->needs_copy)
1884 {
1885 Elf_Internal_Rela rel;
1886
1887 /* This symbol needs a copy reloc. Set it up. */
1888
1889 if (h->dynindx == -1
1890 || (h->root.type != bfd_link_hash_defined
1891 && h->root.type != bfd_link_hash_defweak)
1892 || htab->srelbss == NULL)
1893 abort ();
1894
1895 rel.r_offset = (h->root.u.def.value
1896 + h->root.u.def.section->output_section->vma
1897 + h->root.u.def.section->output_offset);
1898 rel.r_info = ELF32_R_INFO (h->dynindx, R_C6000_COPY);
1899 rel.r_addend = 0;
1900
1901 elf32_tic6x_install_rela (output_bfd, htab->srelbss, &rel);
1902 }
1903
1904 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */
1905 if (h == elf_hash_table (info)->hdynamic
1906 || h == elf_hash_table (info)->hgot)
1907 sym->st_shndx = SHN_ABS;
1908
1909 return TRUE;
1910 }
1911
1912 /* Unwinding tables are not referenced directly. This pass marks them as
1913 required if the corresponding code section is marked. */
1914
1915 static bfd_boolean
1916 elf32_tic6x_gc_mark_extra_sections (struct bfd_link_info *info,
1917 elf_gc_mark_hook_fn gc_mark_hook)
1918 {
1919 bfd *sub;
1920 Elf_Internal_Shdr **elf_shdrp;
1921 bfd_boolean again;
1922
1923 _bfd_elf_gc_mark_extra_sections (info, gc_mark_hook);
1924
1925 /* Marking EH data may cause additional code sections to be marked,
1926 requiring multiple passes. */
1927 again = TRUE;
1928 while (again)
1929 {
1930 again = FALSE;
1931 for (sub = info->input_bfds; sub != NULL; sub = sub->link_next)
1932 {
1933 asection *o;
1934
1935 if (! is_tic6x_elf (sub))
1936 continue;
1937
1938 elf_shdrp = elf_elfsections (sub);
1939 for (o = sub->sections; o != NULL; o = o->next)
1940 {
1941 Elf_Internal_Shdr *hdr;
1942
1943 hdr = &elf_section_data (o)->this_hdr;
1944 if (hdr->sh_type == SHT_C6000_UNWIND
1945 && hdr->sh_link
1946 && hdr->sh_link < elf_numsections (sub)
1947 && !o->gc_mark
1948 && elf_shdrp[hdr->sh_link]->bfd_section->gc_mark)
1949 {
1950 again = TRUE;
1951 if (!_bfd_elf_gc_mark (info, o, gc_mark_hook))
1952 return FALSE;
1953 }
1954 }
1955 }
1956 }
1957
1958 return TRUE;
1959 }
1960
1961 /* Return TRUE if this is an unwinding table index. */
1962
1963 static bfd_boolean
1964 is_tic6x_elf_unwind_section_name (const char *name)
1965 {
1966 return (CONST_STRNEQ (name, ELF_STRING_C6000_unwind)
1967 || CONST_STRNEQ (name, ELF_STRING_C6000_unwind_once));
1968 }
1969
1970
1971 /* Set the type and flags for an unwinding index table. We do this by
1972 the section name, which is a hack, but ought to work. */
1973
1974 static bfd_boolean
1975 elf32_tic6x_fake_sections (bfd *abfd ATTRIBUTE_UNUSED,
1976 Elf_Internal_Shdr *hdr, asection *sec)
1977 {
1978 const char * name;
1979
1980 name = bfd_get_section_name (abfd, sec);
1981
1982 if (is_tic6x_elf_unwind_section_name (name))
1983 {
1984 hdr->sh_type = SHT_C6000_UNWIND;
1985 hdr->sh_flags |= SHF_LINK_ORDER;
1986 }
1987
1988 return TRUE;
1989 }
1990
1991 /* Update the got entry reference counts for the section being removed. */
1992
1993 static bfd_boolean
1994 elf32_tic6x_gc_sweep_hook (bfd *abfd,
1995 struct bfd_link_info *info,
1996 asection *sec,
1997 const Elf_Internal_Rela *relocs)
1998 {
1999 struct elf32_tic6x_link_hash_table *htab;
2000 Elf_Internal_Shdr *symtab_hdr;
2001 struct elf_link_hash_entry **sym_hashes;
2002 bfd_signed_vma *local_got_refcounts;
2003 const Elf_Internal_Rela *rel, *relend;
2004
2005 if (info->relocatable)
2006 return TRUE;
2007
2008 htab = elf32_tic6x_hash_table (info);
2009 if (htab == NULL)
2010 return FALSE;
2011
2012 elf_section_data (sec)->local_dynrel = NULL;
2013
2014 symtab_hdr = &elf_symtab_hdr (abfd);
2015 sym_hashes = elf_sym_hashes (abfd);
2016 local_got_refcounts = elf_local_got_refcounts (abfd);
2017
2018 relend = relocs + sec->reloc_count;
2019 for (rel = relocs; rel < relend; rel++)
2020 {
2021 unsigned long r_symndx;
2022 unsigned int r_type;
2023 struct elf_link_hash_entry *h = NULL;
2024
2025 r_symndx = ELF32_R_SYM (rel->r_info);
2026 if (r_symndx >= symtab_hdr->sh_info)
2027 {
2028 struct elf32_tic6x_link_hash_entry *eh;
2029 struct elf_dyn_relocs **pp;
2030 struct elf_dyn_relocs *p;
2031
2032 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
2033 while (h->root.type == bfd_link_hash_indirect
2034 || h->root.type == bfd_link_hash_warning)
2035 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2036 eh = (struct elf32_tic6x_link_hash_entry *) h;
2037
2038 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
2039 if (p->sec == sec)
2040 {
2041 /* Everything must go for SEC. */
2042 *pp = p->next;
2043 break;
2044 }
2045 }
2046
2047 r_type = ELF32_R_TYPE (rel->r_info);
2048
2049 switch (r_type)
2050 {
2051 case R_C6000_SBR_GOT_U15_W:
2052 case R_C6000_SBR_GOT_L16_W:
2053 case R_C6000_SBR_GOT_H16_W:
2054 case R_C6000_EHTYPE:
2055 if (h != NULL)
2056 {
2057 if (h->got.refcount > 0)
2058 h->got.refcount -= 1;
2059 }
2060 else if (local_got_refcounts != NULL)
2061 {
2062 if (local_got_refcounts[r_symndx] > 0)
2063 local_got_refcounts[r_symndx] -= 1;
2064 }
2065 break;
2066
2067 default:
2068 break;
2069 }
2070 }
2071
2072 return TRUE;
2073 }
2074
2075 /* Adjust a symbol defined by a dynamic object and referenced by a
2076 regular object. The current definition is in some section of the
2077 dynamic object, but we're not including those sections. We have to
2078 change the definition to something the rest of the link can
2079 understand. */
2080
2081 static bfd_boolean
2082 elf32_tic6x_adjust_dynamic_symbol (struct bfd_link_info *info,
2083 struct elf_link_hash_entry *h)
2084 {
2085 struct elf32_tic6x_link_hash_table *htab;
2086 bfd *dynobj;
2087 asection *s;
2088
2089 dynobj = elf_hash_table (info)->dynobj;
2090
2091 /* Make sure we know what is going on here. */
2092 BFD_ASSERT (dynobj != NULL
2093 && (h->needs_plt
2094 || h->u.weakdef != NULL
2095 || (h->def_dynamic && h->ref_regular && !h->def_regular)));
2096
2097 /* If this is a function, put it in the procedure linkage table. We
2098 will fill in the contents of the procedure linkage table later,
2099 when we know the address of the .got section. */
2100 if (h->type == STT_FUNC
2101 || h->needs_plt)
2102 {
2103 if (h->plt.refcount <= 0
2104 || SYMBOL_CALLS_LOCAL (info, h)
2105 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2106 && h->root.type == bfd_link_hash_undefweak))
2107 {
2108 /* This case can occur if we saw a PLT32 reloc in an input
2109 file, but the symbol was never referred to by a dynamic
2110 object, or if all references were garbage collected. In
2111 such a case, we don't actually need to build a procedure
2112 linkage table, and we can just do a PC32 reloc instead. */
2113 h->plt.offset = (bfd_vma) -1;
2114 h->needs_plt = 0;
2115 }
2116
2117 return TRUE;
2118 }
2119
2120 /* If this is a weak symbol, and there is a real definition, the
2121 processor independent code will have arranged for us to see the
2122 real definition first, and we can just use the same value. */
2123 if (h->u.weakdef != NULL)
2124 {
2125 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
2126 || h->u.weakdef->root.type == bfd_link_hash_defweak);
2127 h->root.u.def.section = h->u.weakdef->root.u.def.section;
2128 h->root.u.def.value = h->u.weakdef->root.u.def.value;
2129 h->non_got_ref = h->u.weakdef->non_got_ref;
2130 return TRUE;
2131 }
2132
2133 /* This is a reference to a symbol defined by a dynamic object which
2134 is not a function. */
2135
2136 /* If we are creating a shared library, we must presume that the
2137 only references to the symbol are via the global offset table.
2138 For such cases we need not do anything here; the relocations will
2139 be handled correctly by relocate_section. */
2140 if (info->shared)
2141 return TRUE;
2142
2143 /* If there are no references to this symbol that do not use the
2144 GOT, we don't need to generate a copy reloc. */
2145 if (!h->non_got_ref)
2146 return TRUE;
2147
2148 /* If -z nocopyreloc was given, we won't generate them either. */
2149 if (info->nocopyreloc)
2150 {
2151 h->non_got_ref = 0;
2152 return TRUE;
2153 }
2154
2155 htab = elf32_tic6x_hash_table (info);
2156 if (htab == NULL)
2157 return FALSE;
2158
2159 /* We must allocate the symbol in our .dynbss section, which will
2160 become part of the .bss section of the executable. There will be
2161 an entry for this symbol in the .dynsym section. The dynamic
2162 object will contain position independent code, so all references
2163 from the dynamic object to this symbol will go through the global
2164 offset table. The dynamic linker will use the .dynsym entry to
2165 determine the address it must put in the global offset table, so
2166 both the dynamic object and the regular object will refer to the
2167 same memory location for the variable. */
2168
2169 /* We must generate a R_C6000_COPY reloc to tell the dynamic linker to
2170 copy the initial value out of the dynamic object and into the
2171 runtime process image. */
2172 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
2173 {
2174 htab->srelbss->size += sizeof (Elf32_External_Rela);
2175 h->needs_copy = 1;
2176 }
2177
2178 s = htab->sdynbss;
2179
2180 return _bfd_elf_adjust_dynamic_copy (h, s);
2181 }
2182
2183 static bfd_boolean
2184 elf32_tic6x_new_section_hook (bfd *abfd, asection *sec)
2185 {
2186 bfd_boolean ret;
2187
2188 /* Allocate target specific section data. */
2189 if (!sec->used_by_bfd)
2190 {
2191 _tic6x_elf_section_data *sdata;
2192 bfd_size_type amt = sizeof (*sdata);
2193
2194 sdata = (_tic6x_elf_section_data *) bfd_zalloc (abfd, amt);
2195 if (sdata == NULL)
2196 return FALSE;
2197 sec->used_by_bfd = sdata;
2198 }
2199
2200 ret = _bfd_elf_new_section_hook (abfd, sec);
2201 sec->use_rela_p = elf32_tic6x_tdata (abfd)->use_rela_p;
2202
2203 return ret;
2204 }
2205
2206 /* Return true if relocation REL against section SEC is a REL rather
2207 than RELA relocation. RELOCS is the first relocation in the
2208 section and ABFD is the bfd that contains SEC. */
2209
2210 static bfd_boolean
2211 elf32_tic6x_rel_relocation_p (bfd *abfd, asection *sec,
2212 const Elf_Internal_Rela *relocs,
2213 const Elf_Internal_Rela *rel)
2214 {
2215 Elf_Internal_Shdr *rel_hdr;
2216 const struct elf_backend_data *bed;
2217
2218 /* To determine which flavor of relocation this is, we depend on the
2219 fact that the INPUT_SECTION's REL_HDR is read before RELA_HDR. */
2220 rel_hdr = elf_section_data (sec)->rel.hdr;
2221 if (rel_hdr == NULL)
2222 return FALSE;
2223 bed = get_elf_backend_data (abfd);
2224 return ((size_t) (rel - relocs)
2225 < NUM_SHDR_ENTRIES (rel_hdr) * bed->s->int_rels_per_ext_rel);
2226 }
2227
2228 /* We need dynamic symbols for every section, since segments can
2229 relocate independently. */
2230 static bfd_boolean
2231 elf32_tic6x_link_omit_section_dynsym (bfd *output_bfd ATTRIBUTE_UNUSED,
2232 struct bfd_link_info *info ATTRIBUTE_UNUSED,
2233 asection *p)
2234 {
2235 switch (elf_section_data (p)->this_hdr.sh_type)
2236 {
2237 case SHT_PROGBITS:
2238 case SHT_NOBITS:
2239 /* If sh_type is yet undecided, assume it could be
2240 SHT_PROGBITS/SHT_NOBITS. */
2241 case SHT_NULL:
2242 return FALSE;
2243
2244 /* There shouldn't be section relative relocations
2245 against any other section. */
2246 default:
2247 return TRUE;
2248 }
2249 }
2250
2251 static bfd_boolean
2252 elf32_tic6x_relocate_section (bfd *output_bfd,
2253 struct bfd_link_info *info,
2254 bfd *input_bfd,
2255 asection *input_section,
2256 bfd_byte *contents,
2257 Elf_Internal_Rela *relocs,
2258 Elf_Internal_Sym *local_syms,
2259 asection **local_sections)
2260 {
2261 struct elf32_tic6x_link_hash_table *htab;
2262 Elf_Internal_Shdr *symtab_hdr;
2263 struct elf_link_hash_entry **sym_hashes;
2264 bfd_vma *local_got_offsets;
2265 Elf_Internal_Rela *rel;
2266 Elf_Internal_Rela *relend;
2267 bfd_boolean ok = TRUE;
2268
2269 htab = elf32_tic6x_hash_table (info);
2270 symtab_hdr = & elf_symtab_hdr (input_bfd);
2271 sym_hashes = elf_sym_hashes (input_bfd);
2272 local_got_offsets = elf_local_got_offsets (input_bfd);
2273
2274 relend = relocs + input_section->reloc_count;
2275
2276 for (rel = relocs; rel < relend; rel ++)
2277 {
2278 int r_type;
2279 unsigned long r_symndx;
2280 arelent bfd_reloc;
2281 reloc_howto_type *howto;
2282 Elf_Internal_Sym *sym;
2283 asection *sec;
2284 struct elf_link_hash_entry *h;
2285 bfd_vma off, off2, relocation;
2286 bfd_boolean unresolved_reloc;
2287 bfd_reloc_status_type r;
2288 struct bfd_link_hash_entry *sbh;
2289 bfd_boolean is_rel;
2290
2291 r_type = ELF32_R_TYPE (rel->r_info);
2292 r_symndx = ELF32_R_SYM (rel->r_info);
2293
2294 is_rel = elf32_tic6x_rel_relocation_p (input_bfd, input_section,
2295 relocs, rel);
2296
2297 if (is_rel)
2298 elf32_tic6x_info_to_howto_rel (input_bfd, &bfd_reloc, rel);
2299 else
2300 elf32_tic6x_info_to_howto (input_bfd, &bfd_reloc, rel);
2301 howto = bfd_reloc.howto;
2302 if (howto == NULL)
2303 {
2304 bfd_set_error (bfd_error_bad_value);
2305 return FALSE;
2306 }
2307
2308 h = NULL;
2309 sym = NULL;
2310 sec = NULL;
2311 unresolved_reloc = FALSE;
2312
2313 if (r_symndx < symtab_hdr->sh_info)
2314 {
2315 sym = local_syms + r_symndx;
2316 sec = local_sections[r_symndx];
2317 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
2318 }
2319 else
2320 {
2321 bfd_boolean warned;
2322
2323 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
2324 r_symndx, symtab_hdr, sym_hashes,
2325 h, sec, relocation,
2326 unresolved_reloc, warned);
2327 }
2328
2329 if (sec != NULL && discarded_section (sec))
2330 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
2331 rel, 1, relend, howto, 0, contents);
2332
2333 if (info->relocatable)
2334 {
2335 if (is_rel
2336 && sym != NULL
2337 && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
2338 {
2339 rel->r_addend = 0;
2340 relocation = sec->output_offset + sym->st_value;
2341 r = _bfd_relocate_contents (howto, input_bfd, relocation,
2342 contents + rel->r_offset);
2343 goto done_reloc;
2344 }
2345 continue;
2346 }
2347
2348 switch (r_type)
2349 {
2350 case R_C6000_NONE:
2351 case R_C6000_ALIGN:
2352 case R_C6000_FPHEAD:
2353 case R_C6000_NOCMP:
2354 /* No action needed. */
2355 continue;
2356
2357 case R_C6000_PCR_S21:
2358 /* A branch to an undefined weak symbol is turned into a
2359 "b .s2 B3" instruction if the existing insn is of the
2360 form "b .s2 symbol". */
2361 if (h ? h->root.type == bfd_link_hash_undefweak
2362 && (htab->elf.splt == NULL || h->plt.offset == (bfd_vma) -1)
2363 : r_symndx != STN_UNDEF && bfd_is_und_section (sec))
2364 {
2365 unsigned long oldval;
2366 oldval = bfd_get_32 (input_bfd, contents + rel->r_offset);
2367
2368 if ((oldval & 0x7e) == 0x12)
2369 {
2370 oldval &= 0xF0000001;
2371 bfd_put_32 (input_bfd, oldval | 0x000c0362,
2372 contents + rel->r_offset);
2373 r = bfd_reloc_ok;
2374 goto done_reloc;
2375 }
2376 }
2377
2378 case R_C6000_PCR_S12:
2379 case R_C6000_PCR_S10:
2380 case R_C6000_PCR_S7:
2381 if (h != NULL
2382 && h->plt.offset != (bfd_vma) -1
2383 && htab->elf.splt != NULL)
2384 {
2385 relocation = (htab->elf.splt->output_section->vma
2386 + htab->elf.splt->output_offset
2387 + h->plt.offset);
2388 }
2389
2390 /* Generic PC-relative handling produces a value relative to
2391 the exact location of the relocation. Adjust it to be
2392 relative to the start of the fetch packet instead. */
2393 relocation += (input_section->output_section->vma
2394 + input_section->output_offset
2395 + rel->r_offset) & 0x1f;
2396 unresolved_reloc = FALSE;
2397 break;
2398
2399 case R_C6000_PCR_H16:
2400 case R_C6000_PCR_L16:
2401 off = (input_section->output_section->vma
2402 + input_section->output_offset
2403 + rel->r_offset);
2404 /* These must be calculated as R = S - FP(FP(PC) - A).
2405 PC, here, is the value we just computed in OFF. RELOCATION
2406 has the address of S + A. */
2407 relocation -= rel->r_addend;
2408 off2 = ((off & ~(bfd_vma)0x1f) - rel->r_addend) & (bfd_vma)~0x1f;
2409 off2 = relocation - off2;
2410 relocation = off + off2;
2411 break;
2412
2413 case R_C6000_DSBT_INDEX:
2414 relocation = elf32_tic6x_hash_table (info)->params.dsbt_index;
2415 if (!info->shared || relocation != 0)
2416 break;
2417
2418 /* fall through */
2419 case R_C6000_ABS32:
2420 case R_C6000_ABS16:
2421 case R_C6000_ABS8:
2422 case R_C6000_ABS_S16:
2423 case R_C6000_ABS_L16:
2424 case R_C6000_ABS_H16:
2425 /* When generating a shared object or relocatable executable, these
2426 relocations are copied into the output file to be resolved at
2427 run time. */
2428 if ((info->shared || elf32_tic6x_using_dsbt (output_bfd))
2429 && (input_section->flags & SEC_ALLOC)
2430 && (h == NULL
2431 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2432 || h->root.type != bfd_link_hash_undefweak))
2433 {
2434 Elf_Internal_Rela outrel;
2435 bfd_boolean skip, relocate;
2436 asection *sreloc;
2437
2438 unresolved_reloc = FALSE;
2439
2440 sreloc = elf_section_data (input_section)->sreloc;
2441 BFD_ASSERT (sreloc != NULL && sreloc->contents != NULL);
2442
2443 skip = FALSE;
2444 relocate = FALSE;
2445
2446 outrel.r_offset =
2447 _bfd_elf_section_offset (output_bfd, info, input_section,
2448 rel->r_offset);
2449 if (outrel.r_offset == (bfd_vma) -1)
2450 skip = TRUE;
2451 else if (outrel.r_offset == (bfd_vma) -2)
2452 skip = TRUE, relocate = TRUE;
2453 outrel.r_offset += (input_section->output_section->vma
2454 + input_section->output_offset);
2455
2456 if (skip)
2457 memset (&outrel, 0, sizeof outrel);
2458 else if (h != NULL
2459 && h->dynindx != -1
2460 && (!info->shared
2461 || !info->symbolic
2462 || !h->def_regular))
2463 {
2464 outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
2465 outrel.r_addend = rel->r_addend;
2466 }
2467 else
2468 {
2469 long indx;
2470
2471 outrel.r_addend = relocation + rel->r_addend;
2472
2473 if (bfd_is_abs_section (sec))
2474 indx = 0;
2475 else if (sec == NULL || sec->owner == NULL)
2476 {
2477 bfd_set_error (bfd_error_bad_value);
2478 return FALSE;
2479 }
2480 else
2481 {
2482 asection *osec;
2483
2484 osec = sec->output_section;
2485 indx = elf_section_data (osec)->dynindx;
2486 outrel.r_addend -= osec->vma;
2487 BFD_ASSERT (indx != 0);
2488 }
2489
2490 outrel.r_info = ELF32_R_INFO (indx, r_type);
2491 }
2492
2493 elf32_tic6x_install_rela (output_bfd, sreloc, &outrel);
2494
2495 /* If this reloc is against an external symbol, we do not want to
2496 fiddle with the addend. Otherwise, we need to include the symbol
2497 value so that it becomes an addend for the dynamic reloc. */
2498 if (! relocate)
2499 continue;
2500 }
2501
2502 /* Generic logic OK. */
2503 break;
2504
2505 case R_C6000_SBR_U15_B:
2506 case R_C6000_SBR_U15_H:
2507 case R_C6000_SBR_U15_W:
2508 case R_C6000_SBR_S16:
2509 case R_C6000_SBR_L16_B:
2510 case R_C6000_SBR_L16_H:
2511 case R_C6000_SBR_L16_W:
2512 case R_C6000_SBR_H16_B:
2513 case R_C6000_SBR_H16_H:
2514 case R_C6000_SBR_H16_W:
2515 sbh = bfd_link_hash_lookup (info->hash, "__c6xabi_DSBT_BASE",
2516 FALSE, FALSE, TRUE);
2517 if (sbh != NULL
2518 && (sbh->type == bfd_link_hash_defined
2519 || sbh->type == bfd_link_hash_defweak))
2520 {
2521 if (h ? (h->root.type == bfd_link_hash_undefweak
2522 && (htab->elf.splt == NULL
2523 || h->plt.offset == (bfd_vma) -1))
2524 : r_symndx != STN_UNDEF && bfd_is_und_section (sec))
2525 relocation = 0;
2526 else
2527 relocation -= (sbh->u.def.value
2528 + sbh->u.def.section->output_section->vma
2529 + sbh->u.def.section->output_offset);
2530 }
2531 else
2532 {
2533 (*_bfd_error_handler) (_("%B: SB-relative relocation but "
2534 "__c6xabi_DSBT_BASE not defined"),
2535 input_bfd);
2536 ok = FALSE;
2537 continue;
2538 }
2539 break;
2540
2541 case R_C6000_SBR_GOT_U15_W:
2542 case R_C6000_SBR_GOT_L16_W:
2543 case R_C6000_SBR_GOT_H16_W:
2544 case R_C6000_EHTYPE:
2545 /* Relocation is to the entry for this symbol in the global
2546 offset table. */
2547 if (htab->elf.sgot == NULL)
2548 abort ();
2549
2550 if (h != NULL)
2551 {
2552 bfd_boolean dyn;
2553
2554 off = h->got.offset;
2555 dyn = htab->elf.dynamic_sections_created;
2556 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
2557 || (info->shared
2558 && SYMBOL_REFERENCES_LOCAL (info, h))
2559 || (ELF_ST_VISIBILITY (h->other)
2560 && h->root.type == bfd_link_hash_undefweak))
2561 {
2562 /* This is actually a static link, or it is a
2563 -Bsymbolic link and the symbol is defined
2564 locally, or the symbol was forced to be local
2565 because of a version file. We must initialize
2566 this entry in the global offset table. Since the
2567 offset must always be a multiple of 4, we use the
2568 least significant bit to record whether we have
2569 initialized it already.
2570
2571 When doing a dynamic link, we create a .rel.got
2572 relocation entry to initialize the value. This
2573 is done in the finish_dynamic_symbol routine. */
2574 if ((off & 1) != 0)
2575 off &= ~1;
2576 else
2577 {
2578 bfd_put_32 (output_bfd, relocation,
2579 htab->elf.sgot->contents + off);
2580 h->got.offset |= 1;
2581
2582 if (!WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared,
2583 h)
2584 && !(ELF_ST_VISIBILITY (h->other)
2585 && h->root.type == bfd_link_hash_undefweak))
2586 elf32_tic6x_make_got_dynreloc (output_bfd, htab, sec,
2587 off);
2588 }
2589 }
2590 else
2591 unresolved_reloc = FALSE;
2592 }
2593 else
2594 {
2595 if (local_got_offsets == NULL)
2596 abort ();
2597
2598 off = local_got_offsets[r_symndx];
2599
2600 /* The offset must always be a multiple of 4. We use
2601 the least significant bit to record whether we have
2602 already generated the necessary reloc. */
2603 if ((off & 1) != 0)
2604 off &= ~1;
2605 else
2606 {
2607 bfd_put_32 (output_bfd, relocation,
2608 htab->elf.sgot->contents + off);
2609
2610 if (info->shared || elf32_tic6x_using_dsbt (output_bfd))
2611 elf32_tic6x_make_got_dynreloc (output_bfd, htab, sec, off);
2612
2613 local_got_offsets[r_symndx] |= 1;
2614 }
2615 }
2616
2617 if (off >= (bfd_vma) -2)
2618 abort ();
2619
2620 if (htab->dsbt)
2621 relocation = (htab->elf.sgot->output_section->vma
2622 + htab->elf.sgot->output_offset + off
2623 - htab->dsbt->output_section->vma
2624 - htab->dsbt->output_offset);
2625 else
2626 relocation = (htab->elf.sgot->output_section->vma
2627 + htab->elf.sgot->output_offset + off
2628 - htab->elf.sgotplt->output_section->vma
2629 - htab->elf.sgotplt->output_offset);
2630
2631 if (rel->r_addend != 0)
2632 {
2633 /* We can't do anything for a relocation which is against
2634 a symbol *plus offset*. GOT holds relocations for
2635 symbols. Make this an error; the compiler isn't
2636 allowed to pass us these kinds of things. */
2637 if (h == NULL)
2638 (*_bfd_error_handler)
2639 (_("%B, section %A: relocation %s with non-zero addend %d"
2640 " against local symbol"),
2641 input_bfd,
2642 input_section,
2643 elf32_tic6x_howto_table[r_type].name,
2644 rel->r_addend);
2645 else
2646 (*_bfd_error_handler)
2647 (_("%B, section %A: relocation %s with non-zero addend %d"
2648 " against symbol `%s'"),
2649 input_bfd,
2650 input_section,
2651 elf32_tic6x_howto_table[r_type].name,
2652 rel->r_addend,
2653 h->root.root.string[0] != '\0' ? h->root.root.string
2654 : _("[whose name is lost]"));
2655
2656 bfd_set_error (bfd_error_bad_value);
2657 return FALSE;
2658 }
2659 break;
2660
2661 case R_C6000_PREL31:
2662 if (h != NULL
2663 && h->plt.offset != (bfd_vma) -1
2664 && htab->elf.splt != NULL)
2665 {
2666 relocation = (htab->elf.splt->output_section->vma
2667 + htab->elf.splt->output_offset
2668 + h->plt.offset);
2669 }
2670 break;
2671
2672 case R_C6000_COPY:
2673 /* Invalid in relocatable object. */
2674 default:
2675 /* Unknown relocation. */
2676 (*_bfd_error_handler) (_("%B: invalid relocation type %d"),
2677 input_bfd, r_type);
2678 ok = FALSE;
2679 continue;
2680 }
2681
2682 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
2683 contents, rel->r_offset,
2684 relocation, rel->r_addend);
2685
2686 done_reloc:
2687 if (r == bfd_reloc_ok
2688 && howto->complain_on_overflow == complain_overflow_bitfield)
2689 {
2690 /* Generic overflow handling accepts cases the ABI says
2691 should be rejected for R_C6000_ABS16 and
2692 R_C6000_ABS8. */
2693 bfd_vma value = (relocation + rel->r_addend) & 0xffffffff;
2694 bfd_vma sbit = 1 << (howto->bitsize - 1);
2695 bfd_vma sbits = (-(bfd_vma) sbit) & 0xffffffff;
2696 bfd_vma value_sbits = value & sbits;
2697
2698 if (value_sbits != 0
2699 && value_sbits != sbit
2700 && value_sbits != sbits)
2701 r = bfd_reloc_overflow;
2702 }
2703
2704 if (r != bfd_reloc_ok)
2705 {
2706 const char *name;
2707 const char *error_message;
2708
2709 if (h != NULL)
2710 name = h->root.root.string;
2711 else
2712 {
2713 name = bfd_elf_string_from_elf_section (input_bfd,
2714 symtab_hdr->sh_link,
2715 sym->st_name);
2716 if (name == NULL)
2717 return FALSE;
2718 if (*name == '\0')
2719 name = bfd_section_name (input_bfd, sec);
2720 }
2721
2722 switch (r)
2723 {
2724 case bfd_reloc_overflow:
2725 /* If the overflowing reloc was to an undefined symbol,
2726 we have already printed one error message and there
2727 is no point complaining again. */
2728 if ((! h ||
2729 h->root.type != bfd_link_hash_undefined)
2730 && (!((*info->callbacks->reloc_overflow)
2731 (info, (h ? &h->root : NULL), name, howto->name,
2732 (bfd_vma) 0, input_bfd, input_section,
2733 rel->r_offset))))
2734 return FALSE;
2735 break;
2736
2737 case bfd_reloc_undefined:
2738 if (!((*info->callbacks->undefined_symbol)
2739 (info, name, input_bfd, input_section,
2740 rel->r_offset, TRUE)))
2741 return FALSE;
2742 break;
2743
2744 case bfd_reloc_outofrange:
2745 error_message = _("out of range");
2746 goto common_error;
2747
2748 case bfd_reloc_notsupported:
2749 error_message = _("unsupported relocation");
2750 goto common_error;
2751
2752 case bfd_reloc_dangerous:
2753 error_message = _("dangerous relocation");
2754 goto common_error;
2755
2756 default:
2757 error_message = _("unknown error");
2758 /* Fall through. */
2759
2760 common_error:
2761 BFD_ASSERT (error_message != NULL);
2762 if (!((*info->callbacks->reloc_dangerous)
2763 (info, error_message, input_bfd, input_section,
2764 rel->r_offset)))
2765 return FALSE;
2766 break;
2767 }
2768 }
2769 }
2770
2771 return ok;
2772 }
2773
2774 \f
2775 /* Look through the relocs for a section during the first phase, and
2776 calculate needed space in the global offset table, procedure linkage
2777 table, and dynamic reloc sections. */
2778
2779 static bfd_boolean
2780 elf32_tic6x_check_relocs (bfd *abfd, struct bfd_link_info *info,
2781 asection *sec, const Elf_Internal_Rela *relocs)
2782 {
2783 struct elf32_tic6x_link_hash_table *htab;
2784 Elf_Internal_Shdr *symtab_hdr;
2785 struct elf_link_hash_entry **sym_hashes;
2786 const Elf_Internal_Rela *rel;
2787 const Elf_Internal_Rela *rel_end;
2788 asection *sreloc;
2789
2790 if (info->relocatable)
2791 return TRUE;
2792
2793 htab = elf32_tic6x_hash_table (info);
2794 symtab_hdr = &elf_symtab_hdr (abfd);
2795 sym_hashes = elf_sym_hashes (abfd);
2796
2797 /* Create dynamic sections for relocatable executables so that we can
2798 copy relocations. */
2799 if ((info->shared || elf32_tic6x_using_dsbt (abfd))
2800 && ! htab->elf.dynamic_sections_created)
2801 {
2802 if (! _bfd_elf_link_create_dynamic_sections (abfd, info))
2803 return FALSE;
2804 }
2805
2806 sreloc = NULL;
2807
2808 rel_end = relocs + sec->reloc_count;
2809 for (rel = relocs; rel < rel_end; rel++)
2810 {
2811 unsigned int r_type;
2812 unsigned long r_symndx;
2813 struct elf_link_hash_entry *h;
2814 Elf_Internal_Sym *isym;
2815
2816 r_symndx = ELF32_R_SYM (rel->r_info);
2817 r_type = ELF32_R_TYPE (rel->r_info);
2818
2819 if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
2820 {
2821 (*_bfd_error_handler) (_("%B: bad symbol index: %d"),
2822 abfd,
2823 r_symndx);
2824 return FALSE;
2825 }
2826
2827 if (r_symndx < symtab_hdr->sh_info)
2828 {
2829 /* A local symbol. */
2830 isym = bfd_sym_from_r_symndx (&htab->sym_cache,
2831 abfd, r_symndx);
2832 if (isym == NULL)
2833 return FALSE;
2834 h = NULL;
2835 }
2836 else
2837 {
2838 isym = NULL;
2839 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
2840 while (h->root.type == bfd_link_hash_indirect
2841 || h->root.type == bfd_link_hash_warning)
2842 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2843 }
2844
2845 switch (r_type)
2846 {
2847 case R_C6000_PCR_S21:
2848 case R_C6000_PREL31:
2849 /* This symbol requires a procedure linkage table entry. We
2850 actually build the entry in adjust_dynamic_symbol,
2851 because this might be a case of linking PIC code which is
2852 never referenced by a dynamic object, in which case we
2853 don't need to generate a procedure linkage table entry
2854 after all. */
2855
2856 /* If this is a local symbol, we resolve it directly without
2857 creating a procedure linkage table entry. */
2858 if (h == NULL)
2859 continue;
2860
2861 h->needs_plt = 1;
2862 h->plt.refcount += 1;
2863 break;
2864
2865 case R_C6000_SBR_GOT_U15_W:
2866 case R_C6000_SBR_GOT_L16_W:
2867 case R_C6000_SBR_GOT_H16_W:
2868 case R_C6000_EHTYPE:
2869 /* This symbol requires a global offset table entry. */
2870 if (h != NULL)
2871 {
2872 h->got.refcount += 1;
2873 }
2874 else
2875 {
2876 bfd_signed_vma *local_got_refcounts;
2877
2878 /* This is a global offset table entry for a local symbol. */
2879 local_got_refcounts = elf_local_got_refcounts (abfd);
2880 if (local_got_refcounts == NULL)
2881 {
2882 bfd_size_type size;
2883
2884 size = symtab_hdr->sh_info;
2885 size *= (sizeof (bfd_signed_vma)
2886 + sizeof (bfd_vma) + sizeof(char));
2887 local_got_refcounts = bfd_zalloc (abfd, size);
2888 if (local_got_refcounts == NULL)
2889 return FALSE;
2890 elf_local_got_refcounts (abfd) = local_got_refcounts;
2891 }
2892 local_got_refcounts[r_symndx] += 1;
2893 }
2894
2895 if (htab->elf.sgot == NULL)
2896 {
2897 if (htab->elf.dynobj == NULL)
2898 htab->elf.dynobj = abfd;
2899 if (!_bfd_elf_create_got_section (htab->elf.dynobj, info))
2900 return FALSE;
2901 }
2902 break;
2903
2904 case R_C6000_DSBT_INDEX:
2905 /* We'd like to check for nonzero dsbt_index here, but it's
2906 set up only after check_relocs is called. Instead, we
2907 store the number of R_C6000_DSBT_INDEX relocs in the
2908 pc_count field, and potentially discard the extra space
2909 in elf32_tic6x_allocate_dynrelocs. */
2910 if (!info->shared)
2911 break;
2912
2913 /* fall through */
2914 case R_C6000_ABS32:
2915 case R_C6000_ABS16:
2916 case R_C6000_ABS8:
2917 case R_C6000_ABS_S16:
2918 case R_C6000_ABS_L16:
2919 case R_C6000_ABS_H16:
2920 /* If we are creating a shared library, and this is a reloc
2921 against a global symbol, or a non PC relative reloc
2922 against a local symbol, then we need to copy the reloc
2923 into the shared library. However, if we are linking with
2924 -Bsymbolic, we do not need to copy a reloc against a
2925 global symbol which is defined in an object we are
2926 including in the link (i.e., DEF_REGULAR is set). At
2927 this point we have not seen all the input files, so it is
2928 possible that DEF_REGULAR is not set now but will be set
2929 later (it is never cleared). In case of a weak definition,
2930 DEF_REGULAR may be cleared later by a strong definition in
2931 a shared library. We account for that possibility below by
2932 storing information in the relocs_copied field of the hash
2933 table entry. A similar situation occurs when creating
2934 shared libraries and symbol visibility changes render the
2935 symbol local.
2936
2937 If on the other hand, we are creating an executable, we
2938 may need to keep relocations for symbols satisfied by a
2939 dynamic library if we manage to avoid copy relocs for the
2940 symbol. */
2941 if ((info->shared || elf32_tic6x_using_dsbt (abfd))
2942 && (sec->flags & SEC_ALLOC) != 0)
2943 {
2944 struct elf_dyn_relocs *p;
2945 struct elf_dyn_relocs **head;
2946
2947 /* We must copy these reloc types into the output file.
2948 Create a reloc section in dynobj and make room for
2949 this reloc. */
2950 if (sreloc == NULL)
2951 {
2952 if (htab->elf.dynobj == NULL)
2953 htab->elf.dynobj = abfd;
2954
2955 sreloc = _bfd_elf_make_dynamic_reloc_section
2956 (sec, htab->elf.dynobj, 2, abfd, /*rela? */ TRUE);
2957
2958 if (sreloc == NULL)
2959 return FALSE;
2960 }
2961
2962 /* If this is a global symbol, we count the number of
2963 relocations we need for this symbol. */
2964 if (h != NULL)
2965 {
2966 head = &((struct elf32_tic6x_link_hash_entry *) h)->dyn_relocs;
2967 }
2968 else
2969 {
2970 /* Track dynamic relocs needed for local syms too.
2971 We really need local syms available to do this
2972 easily. Oh well. */
2973 void **vpp;
2974 asection *s;
2975
2976 s = bfd_section_from_elf_index (abfd, isym->st_shndx);
2977 if (s == NULL)
2978 s = sec;
2979
2980 vpp = &elf_section_data (s)->local_dynrel;
2981 head = (struct elf_dyn_relocs **)vpp;
2982 }
2983
2984 p = *head;
2985 if (p == NULL || p->sec != sec)
2986 {
2987 bfd_size_type amt = sizeof *p;
2988 p = bfd_alloc (htab->elf.dynobj, amt);
2989 if (p == NULL)
2990 return FALSE;
2991 p->next = *head;
2992 *head = p;
2993 p->sec = sec;
2994 p->count = 0;
2995 p->pc_count = 0;
2996 }
2997
2998 p->count += 1;
2999 if (r_type == R_C6000_DSBT_INDEX)
3000 p->pc_count += 1;
3001 }
3002 break;
3003
3004 case R_C6000_SBR_U15_B:
3005 case R_C6000_SBR_U15_H:
3006 case R_C6000_SBR_U15_W:
3007 case R_C6000_SBR_S16:
3008 case R_C6000_SBR_L16_B:
3009 case R_C6000_SBR_L16_H:
3010 case R_C6000_SBR_L16_W:
3011 case R_C6000_SBR_H16_B:
3012 case R_C6000_SBR_H16_H:
3013 case R_C6000_SBR_H16_W:
3014 if (h != NULL && info->executable)
3015 {
3016 /* For B14-relative addresses, we might need a copy
3017 reloc. */
3018 h->non_got_ref = 1;
3019 }
3020 break;
3021
3022 default:
3023 break;
3024 }
3025 }
3026
3027 return TRUE;
3028 }
3029
3030 static bfd_boolean
3031 elf32_tic6x_add_symbol_hook (bfd *abfd,
3032 struct bfd_link_info *info ATTRIBUTE_UNUSED,
3033 Elf_Internal_Sym *sym,
3034 const char **namep ATTRIBUTE_UNUSED,
3035 flagword *flagsp ATTRIBUTE_UNUSED,
3036 asection **secp,
3037 bfd_vma *valp)
3038 {
3039 switch (sym->st_shndx)
3040 {
3041 case SHN_TIC6X_SCOMMON:
3042 *secp = bfd_make_section_old_way (abfd, ".scommon");
3043 (*secp)->flags |= SEC_IS_COMMON;
3044 *valp = sym->st_size;
3045 bfd_set_section_alignment (abfd, *secp, bfd_log2 (sym->st_value));
3046 break;
3047 }
3048
3049 return TRUE;
3050 }
3051
3052 static void
3053 elf32_tic6x_symbol_processing (bfd *abfd ATTRIBUTE_UNUSED, asymbol *asym)
3054 {
3055 elf_symbol_type *elfsym;
3056
3057 elfsym = (elf_symbol_type *) asym;
3058 switch (elfsym->internal_elf_sym.st_shndx)
3059 {
3060 case SHN_TIC6X_SCOMMON:
3061 if (tic6x_elf_scom_section.name == NULL)
3062 {
3063 /* Initialize the small common section. */
3064 tic6x_elf_scom_section.name = ".scommon";
3065 tic6x_elf_scom_section.flags = SEC_IS_COMMON;
3066 tic6x_elf_scom_section.output_section = &tic6x_elf_scom_section;
3067 tic6x_elf_scom_section.symbol = &tic6x_elf_scom_symbol;
3068 tic6x_elf_scom_section.symbol_ptr_ptr = &tic6x_elf_scom_symbol_ptr;
3069 tic6x_elf_scom_symbol.name = ".scommon";
3070 tic6x_elf_scom_symbol.flags = BSF_SECTION_SYM;
3071 tic6x_elf_scom_symbol.section = &tic6x_elf_scom_section;
3072 tic6x_elf_scom_symbol_ptr = &tic6x_elf_scom_symbol;
3073 }
3074 asym->section = &tic6x_elf_scom_section;
3075 asym->value = elfsym->internal_elf_sym.st_size;
3076 break;
3077 }
3078 }
3079
3080 static int
3081 elf32_tic6x_link_output_symbol_hook (struct bfd_link_info *info ATTRIBUTE_UNUSED,
3082 const char *name ATTRIBUTE_UNUSED,
3083 Elf_Internal_Sym *sym,
3084 asection *input_sec,
3085 struct elf_link_hash_entry *h ATTRIBUTE_UNUSED)
3086 {
3087 /* If we see a common symbol, which implies a relocatable link, then
3088 if a symbol was small common in an input file, mark it as small
3089 common in the output file. */
3090 if (sym->st_shndx == SHN_COMMON && strcmp (input_sec->name, ".scommon") == 0)
3091 sym->st_shndx = SHN_TIC6X_SCOMMON;
3092
3093 return 1;
3094 }
3095
3096 static bfd_boolean
3097 elf32_tic6x_section_from_bfd_section (bfd *abfd ATTRIBUTE_UNUSED,
3098 asection *sec,
3099 int *retval)
3100 {
3101 if (strcmp (bfd_get_section_name (abfd, sec), ".scommon") == 0)
3102 {
3103 *retval = SHN_TIC6X_SCOMMON;
3104 return TRUE;
3105 }
3106
3107 return FALSE;
3108 }
3109
3110 /* Allocate space in .plt, .got and associated reloc sections for
3111 dynamic relocs. */
3112
3113 static bfd_boolean
3114 elf32_tic6x_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
3115 {
3116 struct bfd_link_info *info;
3117 struct elf32_tic6x_link_hash_table *htab;
3118 struct elf32_tic6x_link_hash_entry *eh;
3119 struct elf_dyn_relocs *p;
3120
3121 if (h->root.type == bfd_link_hash_indirect)
3122 return TRUE;
3123
3124 eh = (struct elf32_tic6x_link_hash_entry *) h;
3125 info = (struct bfd_link_info *) inf;
3126 htab = elf32_tic6x_hash_table (info);
3127
3128 if (htab->elf.dynamic_sections_created && h->plt.refcount > 0)
3129 {
3130 /* Make sure this symbol is output as a dynamic symbol.
3131 Undefined weak syms won't yet be marked as dynamic. */
3132 if (h->dynindx == -1 && !h->forced_local)
3133 {
3134 if (! bfd_elf_link_record_dynamic_symbol (info, h))
3135 return FALSE;
3136 }
3137
3138 if (info->shared
3139 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h))
3140 {
3141 asection *s = htab->elf.splt;
3142
3143 /* If this is the first .plt entry, make room for the special
3144 first entry. */
3145 if (s->size == 0)
3146 s->size += PLT_ENTRY_SIZE;
3147
3148 h->plt.offset = s->size;
3149
3150 /* If this symbol is not defined in a regular file, and we are
3151 not generating a shared library, then set the symbol to this
3152 location in the .plt. This is required to make function
3153 pointers compare as equal between the normal executable and
3154 the shared library. */
3155 if (! info->shared && !h->def_regular)
3156 {
3157 h->root.u.def.section = s;
3158 h->root.u.def.value = h->plt.offset;
3159 }
3160
3161 /* Make room for this entry. */
3162 s->size += PLT_ENTRY_SIZE;
3163 /* We also need to make an entry in the .got.plt section, which
3164 will be placed in the .got section by the linker script. */
3165 htab->elf.sgotplt->size += 4;
3166 /* We also need to make an entry in the .rel.plt section. */
3167 htab->elf.srelplt->size += sizeof (Elf32_External_Rela);
3168 }
3169 else
3170 {
3171 h->plt.offset = (bfd_vma) -1;
3172 h->needs_plt = 0;
3173 }
3174 }
3175 else
3176 {
3177 h->plt.offset = (bfd_vma) -1;
3178 h->needs_plt = 0;
3179 }
3180
3181 if (h->got.refcount > 0)
3182 {
3183 asection *s;
3184
3185 /* Make sure this symbol is output as a dynamic symbol.
3186 Undefined weak syms won't yet be marked as dynamic. */
3187 if (h->dynindx == -1
3188 && !h->forced_local)
3189 {
3190 if (! bfd_elf_link_record_dynamic_symbol (info, h))
3191 return FALSE;
3192 }
3193
3194 s = htab->elf.sgot;
3195 h->got.offset = s->size;
3196 s->size += 4;
3197
3198 if (!(ELF_ST_VISIBILITY (h->other)
3199 && h->root.type == bfd_link_hash_undefweak))
3200 htab->elf.srelgot->size += sizeof (Elf32_External_Rela);
3201 }
3202 else
3203 h->got.offset = (bfd_vma) -1;
3204
3205 if (eh->dyn_relocs == NULL)
3206 return TRUE;
3207
3208 /* Discard relocs on undefined weak syms with non-default
3209 visibility. */
3210 if (info->shared || elf32_tic6x_using_dsbt (htab->obfd))
3211 {
3212 /* We use the pc_count field to hold the number of
3213 R_C6000_DSBT_INDEX relocs. */
3214 if (htab->params.dsbt_index != 0)
3215 {
3216 struct elf_dyn_relocs **pp;
3217
3218 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
3219 {
3220 p->count -= p->pc_count;
3221 p->pc_count = 0;
3222 if (p->count == 0)
3223 *pp = p->next;
3224 else
3225 pp = &p->next;
3226 }
3227 }
3228
3229 if (eh->dyn_relocs != NULL
3230 && h->root.type == bfd_link_hash_undefweak)
3231 {
3232 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
3233 eh->dyn_relocs = NULL;
3234
3235 /* Make sure undefined weak symbols are output as a dynamic
3236 symbol in PIEs. */
3237 else if (h->dynindx == -1
3238 && !h->forced_local)
3239 {
3240 if (! bfd_elf_link_record_dynamic_symbol (info, h))
3241 return FALSE;
3242 }
3243 }
3244 }
3245
3246 /* Finally, allocate space. */
3247 for (p = eh->dyn_relocs; p != NULL; p = p->next)
3248 {
3249 asection *sreloc;
3250
3251 sreloc = elf_section_data (p->sec)->sreloc;
3252
3253 BFD_ASSERT (sreloc != NULL);
3254 sreloc->size += p->count * sizeof (Elf32_External_Rela);
3255 }
3256
3257 return TRUE;
3258 }
3259
3260 /* Find any dynamic relocs that apply to read-only sections. */
3261
3262 static bfd_boolean
3263 elf32_tic6x_readonly_dynrelocs (struct elf_link_hash_entry *h, void *inf)
3264 {
3265 struct elf32_tic6x_link_hash_entry *eh;
3266 struct elf_dyn_relocs *p;
3267
3268 eh = (struct elf32_tic6x_link_hash_entry *) h;
3269 for (p = eh->dyn_relocs; p != NULL; p = p->next)
3270 {
3271 asection *s = p->sec->output_section;
3272
3273 if (s != NULL && (s->flags & SEC_READONLY) != 0)
3274 {
3275 struct bfd_link_info *info = (struct bfd_link_info *) inf;
3276
3277 info->flags |= DF_TEXTREL;
3278
3279 /* Not an error, just cut short the traversal. */
3280 return FALSE;
3281 }
3282 }
3283 return TRUE;
3284 }
3285
3286 /* Set the sizes of the dynamic sections. */
3287
3288 static bfd_boolean
3289 elf32_tic6x_size_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
3290 {
3291 struct elf32_tic6x_link_hash_table *htab;
3292 bfd *dynobj;
3293 asection *s;
3294 bfd_boolean relocs;
3295 bfd *ibfd;
3296
3297 htab = elf32_tic6x_hash_table (info);
3298 dynobj = htab->elf.dynobj;
3299 if (dynobj == NULL)
3300 abort ();
3301
3302 if (htab->elf.dynamic_sections_created)
3303 {
3304 /* Set the contents of the .interp section to the interpreter. */
3305 if (info->executable)
3306 {
3307 s = bfd_get_linker_section (dynobj, ".interp");
3308 if (s == NULL)
3309 abort ();
3310 s->size = sizeof ELF_DYNAMIC_INTERPRETER;
3311 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
3312 }
3313 }
3314
3315 /* Set up .got offsets for local syms, and space for local dynamic
3316 relocs. */
3317 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
3318 {
3319 bfd_signed_vma *local_got;
3320 bfd_signed_vma *end_local_got;
3321 char *local_tls_type;
3322 bfd_vma *local_tlsdesc_gotent;
3323 bfd_size_type locsymcount;
3324 Elf_Internal_Shdr *symtab_hdr;
3325 asection *srel;
3326
3327 for (s = ibfd->sections; s != NULL; s = s->next)
3328 {
3329 struct elf_dyn_relocs *p;
3330
3331 for (p = ((struct elf_dyn_relocs *)
3332 elf_section_data (s)->local_dynrel);
3333 p != NULL;
3334 p = p->next)
3335 {
3336 if (!bfd_is_abs_section (p->sec)
3337 && bfd_is_abs_section (p->sec->output_section))
3338 {
3339 /* Input section has been discarded, either because
3340 it is a copy of a linkonce section or due to
3341 linker script /DISCARD/, so we'll be discarding
3342 the relocs too. */
3343 }
3344 else if (p->count != 0)
3345 {
3346 srel = elf_section_data (p->sec)->sreloc;
3347 srel->size += p->count * sizeof (Elf32_External_Rela);
3348 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
3349 info->flags |= DF_TEXTREL;
3350 }
3351 }
3352 }
3353
3354 local_got = elf_local_got_refcounts (ibfd);
3355 if (!local_got)
3356 continue;
3357
3358 symtab_hdr = &elf_symtab_hdr (ibfd);
3359 locsymcount = symtab_hdr->sh_info;
3360 end_local_got = local_got + locsymcount;
3361 s = htab->elf.sgot;
3362 srel = htab->elf.srelgot;
3363 for (; local_got < end_local_got;
3364 ++local_got, ++local_tls_type, ++local_tlsdesc_gotent)
3365 {
3366 if (*local_got > 0)
3367 {
3368 *local_got = s->size;
3369 s->size += 4;
3370
3371 if (info->shared || elf32_tic6x_using_dsbt (output_bfd))
3372 {
3373 srel->size += sizeof (Elf32_External_Rela);
3374 }
3375 }
3376 else
3377 *local_got = (bfd_vma) -1;
3378 }
3379 }
3380
3381 /* Allocate global sym .plt and .got entries, and space for global
3382 sym dynamic relocs. */
3383 elf_link_hash_traverse (&htab->elf, elf32_tic6x_allocate_dynrelocs, info);
3384
3385 /* We now have determined the sizes of the various dynamic sections.
3386 Allocate memory for them. */
3387 relocs = FALSE;
3388 for (s = dynobj->sections; s != NULL; s = s->next)
3389 {
3390 bfd_boolean strip_section = TRUE;
3391
3392 if ((s->flags & SEC_LINKER_CREATED) == 0)
3393 continue;
3394
3395 if (s == htab->dsbt)
3396 s->size = 4 * htab->params.dsbt_size;
3397 else if (s == htab->elf.splt
3398 || s == htab->elf.sgot
3399 || s == htab->elf.sgotplt
3400 || s == htab->sdynbss)
3401 {
3402 /* Strip this section if we don't need it; see the
3403 comment below. */
3404 /* We'd like to strip these sections if they aren't needed, but if
3405 we've exported dynamic symbols from them we must leave them.
3406 It's too late to tell BFD to get rid of the symbols. */
3407
3408 if (htab->elf.hplt != NULL)
3409 strip_section = FALSE;
3410
3411 /* Round up the size of the PLT section to a multiple of 32. */
3412 if (s == htab->elf.splt && s->size > 0)
3413 s->size = (s->size + 31) & ~(bfd_vma)31;
3414 }
3415 else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rela"))
3416 {
3417 if (s->size != 0
3418 && s != htab->elf.srelplt)
3419 relocs = TRUE;
3420
3421 /* We use the reloc_count field as a counter if we need
3422 to copy relocs into the output file. */
3423 s->reloc_count = 0;
3424 }
3425 else
3426 {
3427 /* It's not one of our sections, so don't allocate space. */
3428 continue;
3429 }
3430
3431 if (s->size == 0)
3432 {
3433 /* If we don't need this section, strip it from the
3434 output file. This is mostly to handle .rel.bss and
3435 .rel.plt. We must create both sections in
3436 create_dynamic_sections, because they must be created
3437 before the linker maps input sections to output
3438 sections. The linker does that before
3439 adjust_dynamic_symbol is called, and it is that
3440 function which decides whether anything needs to go
3441 into these sections. */
3442 if (strip_section)
3443 s->flags |= SEC_EXCLUDE;
3444 continue;
3445 }
3446
3447 if ((s->flags & SEC_HAS_CONTENTS) == 0)
3448 continue;
3449
3450 /* Allocate memory for the section contents. We use bfd_zalloc
3451 here in case unused entries are not reclaimed before the
3452 section's contents are written out. This should not happen,
3453 but this way if it does, we get a R_C6000_NONE reloc instead
3454 of garbage. */
3455 s->contents = bfd_zalloc (dynobj, s->size);
3456 if (s->contents == NULL)
3457 return FALSE;
3458 }
3459
3460 if (htab->elf.dynamic_sections_created)
3461 {
3462 /* Add some entries to the .dynamic section. We fill in the
3463 values later, in elf32_tic6x_finish_dynamic_sections, but we
3464 must add the entries now so that we get the correct size for
3465 the .dynamic section. The DT_DEBUG entry is filled in by the
3466 dynamic linker and used by the debugger. */
3467 #define add_dynamic_entry(TAG, VAL) \
3468 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
3469
3470 if (info->executable)
3471 {
3472 if (!add_dynamic_entry (DT_DEBUG, 0))
3473 return FALSE;
3474 }
3475
3476 if (!add_dynamic_entry (DT_C6000_DSBT_BASE, 0)
3477 || !add_dynamic_entry (DT_C6000_DSBT_SIZE, htab->params.dsbt_size)
3478 || !add_dynamic_entry (DT_C6000_DSBT_INDEX,
3479 htab->params.dsbt_index))
3480 return FALSE;
3481
3482 if (htab->elf.splt->size != 0)
3483 {
3484 if (!add_dynamic_entry (DT_PLTGOT, 0)
3485 || !add_dynamic_entry (DT_PLTRELSZ, 0)
3486 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
3487 || !add_dynamic_entry (DT_JMPREL, 0))
3488 return FALSE;
3489 }
3490
3491 if (relocs)
3492 {
3493 if (!add_dynamic_entry (DT_RELA, 0)
3494 || !add_dynamic_entry (DT_RELASZ, 0)
3495 || !add_dynamic_entry (DT_RELAENT, sizeof (Elf32_External_Rela)))
3496 return FALSE;
3497
3498 /* If any dynamic relocs apply to a read-only section,
3499 then we need a DT_TEXTREL entry. */
3500 if ((info->flags & DF_TEXTREL) == 0)
3501 elf_link_hash_traverse (&htab->elf,
3502 elf32_tic6x_readonly_dynrelocs, info);
3503
3504 if ((info->flags & DF_TEXTREL) != 0)
3505 {
3506 if (!add_dynamic_entry (DT_TEXTREL, 0))
3507 return FALSE;
3508 }
3509 }
3510 }
3511 #undef add_dynamic_entry
3512
3513 return TRUE;
3514 }
3515
3516 /* This function is called after all the input files have been read,
3517 and the input sections have been assigned to output sections. */
3518
3519 static bfd_boolean
3520 elf32_tic6x_always_size_sections (bfd *output_bfd, struct bfd_link_info *info)
3521 {
3522 if (elf32_tic6x_using_dsbt (output_bfd) && !info->relocatable
3523 && !bfd_elf_stack_segment_size (output_bfd, info,
3524 "__stacksize", DEFAULT_STACK_SIZE))
3525 return FALSE;
3526
3527 return TRUE;
3528 }
3529
3530 static bfd_boolean
3531 elf32_tic6x_finish_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
3532 struct bfd_link_info *info)
3533 {
3534 struct elf32_tic6x_link_hash_table *htab;
3535 bfd *dynobj;
3536 asection *sdyn;
3537
3538 htab = elf32_tic6x_hash_table (info);
3539 dynobj = htab->elf.dynobj;
3540 sdyn = bfd_get_linker_section (dynobj, ".dynamic");
3541
3542 if (elf_hash_table (info)->dynamic_sections_created)
3543 {
3544 Elf32_External_Dyn * dyncon;
3545 Elf32_External_Dyn * dynconend;
3546
3547 BFD_ASSERT (sdyn != NULL);
3548
3549 dyncon = (Elf32_External_Dyn *) sdyn->contents;
3550 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
3551
3552 for (; dyncon < dynconend; dyncon++)
3553 {
3554 Elf_Internal_Dyn dyn;
3555 asection *s;
3556
3557 bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
3558
3559 switch (dyn.d_tag)
3560 {
3561 default:
3562 break;
3563
3564 case DT_C6000_DSBT_BASE:
3565 s = htab->dsbt;
3566 dyn.d_un.d_ptr = (s->output_section->vma + s->output_offset);
3567 break;
3568
3569 case DT_PLTGOT:
3570 s = htab->elf.sgotplt;
3571 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
3572 break;
3573
3574 case DT_JMPREL:
3575 s = htab->elf.srelplt;
3576 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
3577 break;
3578
3579 case DT_PLTRELSZ:
3580 s = htab->elf.srelplt;
3581 dyn.d_un.d_val = s->size;
3582 break;
3583 }
3584 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
3585 }
3586
3587 /* Fill in the first entry in the procedure linkage table. */
3588 if (htab->elf.splt && htab->elf.splt->size > 0)
3589 {
3590 bfd_vma got_offs = (htab->elf.sgotplt->output_section->vma
3591 + htab->elf.sgotplt->output_offset
3592 - htab->dsbt->output_section->vma
3593 - htab->dsbt->output_offset) / 4;
3594
3595 /* ldw .D2T2 *+b14[$GOT(0)],b2 */
3596 bfd_put_32 (output_bfd, got_offs << 8 | 0x0100006e,
3597 htab->elf.splt->contents);
3598 /* ldw .D2T2 *+b14[$GOT(4)],b1 */
3599 bfd_put_32 (output_bfd, (got_offs + 1) << 8 | 0x0080006e,
3600 htab->elf.splt->contents + 4);
3601 /* nop 3 */
3602 bfd_put_32 (output_bfd, 0x00004000,
3603 htab->elf.splt->contents + 8);
3604 /* b .s2 b2 */
3605 bfd_put_32 (output_bfd, 0x00080362,
3606 htab->elf.splt->contents + 12);
3607 /* nop 5 */
3608 bfd_put_32 (output_bfd, 0x00008000,
3609 htab->elf.splt->contents + 16);
3610
3611 elf_section_data (htab->elf.splt->output_section)
3612 ->this_hdr.sh_entsize = PLT_ENTRY_SIZE;
3613 }
3614 }
3615
3616 return TRUE;
3617 }
3618
3619 /* Return address for Ith PLT stub in section PLT, for relocation REL
3620 or (bfd_vma) -1 if it should not be included. */
3621
3622 static bfd_vma
3623 elf32_tic6x_plt_sym_val (bfd_vma i, const asection *plt,
3624 const arelent *rel ATTRIBUTE_UNUSED)
3625 {
3626 return plt->vma + (i + 1) * PLT_ENTRY_SIZE;
3627 }
3628
3629 static int
3630 elf32_tic6x_obj_attrs_arg_type (int tag)
3631 {
3632 if (tag == Tag_ABI_compatibility)
3633 return ATTR_TYPE_FLAG_INT_VAL | ATTR_TYPE_FLAG_STR_VAL;
3634 else if (tag & 1)
3635 return ATTR_TYPE_FLAG_STR_VAL;
3636 else
3637 return ATTR_TYPE_FLAG_INT_VAL;
3638 }
3639
3640 static int
3641 elf32_tic6x_obj_attrs_order (int num)
3642 {
3643 if (num == LEAST_KNOWN_OBJ_ATTRIBUTE)
3644 return Tag_ABI_conformance;
3645 if ((num - 1) < Tag_ABI_conformance)
3646 return num - 1;
3647 return num;
3648 }
3649
3650 static bfd_boolean
3651 elf32_tic6x_obj_attrs_handle_unknown (bfd *abfd, int tag)
3652 {
3653 if ((tag & 127) < 64)
3654 {
3655 _bfd_error_handler
3656 (_("%B: error: unknown mandatory EABI object attribute %d"),
3657 abfd, tag);
3658 bfd_set_error (bfd_error_bad_value);
3659 return FALSE;
3660 }
3661 else
3662 {
3663 _bfd_error_handler
3664 (_("%B: warning: unknown EABI object attribute %d"),
3665 abfd, tag);
3666 return TRUE;
3667 }
3668 }
3669
3670 /* Merge the Tag_ISA attribute values ARCH1 and ARCH2
3671 and return the merged value. At present, all merges succeed, so no
3672 return value for errors is defined. */
3673
3674 int
3675 elf32_tic6x_merge_arch_attributes (int arch1, int arch2)
3676 {
3677 int min_arch, max_arch;
3678
3679 min_arch = (arch1 < arch2 ? arch1 : arch2);
3680 max_arch = (arch1 > arch2 ? arch1 : arch2);
3681
3682 /* In most cases, the numerically greatest value is the correct
3683 merged value, but merging C64 and C67 results in C674X. */
3684 if ((min_arch == C6XABI_Tag_ISA_C67X
3685 || min_arch == C6XABI_Tag_ISA_C67XP)
3686 && (max_arch == C6XABI_Tag_ISA_C64X
3687 || max_arch == C6XABI_Tag_ISA_C64XP))
3688 return C6XABI_Tag_ISA_C674X;
3689
3690 return max_arch;
3691 }
3692
3693 /* Convert a Tag_ABI_array_object_alignment or
3694 Tag_ABI_array_object_align_expected tag value TAG to a
3695 corresponding alignment value; return the alignment, or -1 for an
3696 unknown tag value. */
3697
3698 static int
3699 elf32_tic6x_tag_to_array_alignment (int tag)
3700 {
3701 switch (tag)
3702 {
3703 case 0:
3704 return 8;
3705
3706 case 1:
3707 return 4;
3708
3709 case 2:
3710 return 16;
3711
3712 default:
3713 return -1;
3714 }
3715 }
3716
3717 /* Convert a Tag_ABI_array_object_alignment or
3718 Tag_ABI_array_object_align_expected alignment ALIGN to a
3719 corresponding tag value; return the tag value. */
3720
3721 static int
3722 elf32_tic6x_array_alignment_to_tag (int align)
3723 {
3724 switch (align)
3725 {
3726 case 8:
3727 return 0;
3728
3729 case 4:
3730 return 1;
3731
3732 case 16:
3733 return 2;
3734
3735 default:
3736 abort ();
3737 }
3738 }
3739
3740 /* Merge attributes from IBFD and OBFD, returning TRUE if the merge
3741 succeeded, FALSE otherwise. */
3742
3743 static bfd_boolean
3744 elf32_tic6x_merge_attributes (bfd *ibfd, bfd *obfd)
3745 {
3746 bfd_boolean result = TRUE;
3747 obj_attribute *in_attr;
3748 obj_attribute *out_attr;
3749 int i;
3750 int array_align_in, array_align_out, array_expect_in, array_expect_out;
3751
3752 if (!elf_known_obj_attributes_proc (obfd)[0].i)
3753 {
3754 /* This is the first object. Copy the attributes. */
3755 _bfd_elf_copy_obj_attributes (ibfd, obfd);
3756
3757 out_attr = elf_known_obj_attributes_proc (obfd);
3758
3759 /* Use the Tag_null value to indicate the attributes have been
3760 initialized. */
3761 out_attr[0].i = 1;
3762
3763 return TRUE;
3764 }
3765
3766 in_attr = elf_known_obj_attributes_proc (ibfd);
3767 out_attr = elf_known_obj_attributes_proc (obfd);
3768
3769 /* No specification yet for handling of unknown attributes, so just
3770 ignore them and handle known ones. */
3771
3772 if (out_attr[Tag_ABI_stack_align_preserved].i
3773 < in_attr[Tag_ABI_stack_align_needed].i)
3774 {
3775 _bfd_error_handler
3776 (_("error: %B requires more stack alignment than %B preserves"),
3777 ibfd, obfd);
3778 result = FALSE;
3779 }
3780 if (in_attr[Tag_ABI_stack_align_preserved].i
3781 < out_attr[Tag_ABI_stack_align_needed].i)
3782 {
3783 _bfd_error_handler
3784 (_("error: %B requires more stack alignment than %B preserves"),
3785 obfd, ibfd);
3786 result = FALSE;
3787 }
3788
3789 array_align_in = elf32_tic6x_tag_to_array_alignment
3790 (in_attr[Tag_ABI_array_object_alignment].i);
3791 if (array_align_in == -1)
3792 {
3793 _bfd_error_handler
3794 (_("error: unknown Tag_ABI_array_object_alignment value in %B"),
3795 ibfd);
3796 result = FALSE;
3797 }
3798 array_align_out = elf32_tic6x_tag_to_array_alignment
3799 (out_attr[Tag_ABI_array_object_alignment].i);
3800 if (array_align_out == -1)
3801 {
3802 _bfd_error_handler
3803 (_("error: unknown Tag_ABI_array_object_alignment value in %B"),
3804 obfd);
3805 result = FALSE;
3806 }
3807 array_expect_in = elf32_tic6x_tag_to_array_alignment
3808 (in_attr[Tag_ABI_array_object_align_expected].i);
3809 if (array_expect_in == -1)
3810 {
3811 _bfd_error_handler
3812 (_("error: unknown Tag_ABI_array_object_align_expected value in %B"),
3813 ibfd);
3814 result = FALSE;
3815 }
3816 array_expect_out = elf32_tic6x_tag_to_array_alignment
3817 (out_attr[Tag_ABI_array_object_align_expected].i);
3818 if (array_expect_out == -1)
3819 {
3820 _bfd_error_handler
3821 (_("error: unknown Tag_ABI_array_object_align_expected value in %B"),
3822 obfd);
3823 result = FALSE;
3824 }
3825
3826 if (array_align_out < array_expect_in)
3827 {
3828 _bfd_error_handler
3829 (_("error: %B requires more array alignment than %B preserves"),
3830 ibfd, obfd);
3831 result = FALSE;
3832 }
3833 if (array_align_in < array_expect_out)
3834 {
3835 _bfd_error_handler
3836 (_("error: %B requires more array alignment than %B preserves"),
3837 obfd, ibfd);
3838 result = FALSE;
3839 }
3840
3841 for (i = LEAST_KNOWN_OBJ_ATTRIBUTE; i < NUM_KNOWN_OBJ_ATTRIBUTES; i++)
3842 {
3843 switch (i)
3844 {
3845 case Tag_ISA:
3846 out_attr[i].i = elf32_tic6x_merge_arch_attributes (in_attr[i].i,
3847 out_attr[i].i);
3848 break;
3849
3850 case Tag_ABI_wchar_t:
3851 if (out_attr[i].i == 0)
3852 out_attr[i].i = in_attr[i].i;
3853 if (out_attr[i].i != 0
3854 && in_attr[i].i != 0
3855 && out_attr[i].i != in_attr[i].i)
3856 {
3857 _bfd_error_handler
3858 (_("warning: %B and %B differ in wchar_t size"), obfd, ibfd);
3859 }
3860 break;
3861
3862 case Tag_ABI_stack_align_needed:
3863 if (out_attr[i].i < in_attr[i].i)
3864 out_attr[i].i = in_attr[i].i;
3865 break;
3866
3867 case Tag_ABI_stack_align_preserved:
3868 if (out_attr[i].i > in_attr[i].i)
3869 out_attr[i].i = in_attr[i].i;
3870 break;
3871
3872 case Tag_ABI_DSBT:
3873 if (out_attr[i].i != in_attr[i].i)
3874 {
3875 _bfd_error_handler
3876 (_("warning: %B and %B differ in whether code is "
3877 "compiled for DSBT"),
3878 obfd, ibfd);
3879 }
3880 break;
3881
3882 case Tag_ABI_PIC:
3883 case Tag_ABI_PID:
3884 if (out_attr[i].i > in_attr[i].i)
3885 out_attr[i].i = in_attr[i].i;
3886 break;
3887
3888 case Tag_ABI_array_object_alignment:
3889 if (array_align_out != -1
3890 && array_align_in != -1
3891 && array_align_out > array_align_in)
3892 out_attr[i].i
3893 = elf32_tic6x_array_alignment_to_tag (array_align_in);
3894 break;
3895
3896 case Tag_ABI_array_object_align_expected:
3897 if (array_expect_out != -1
3898 && array_expect_in != -1
3899 && array_expect_out < array_expect_in)
3900 out_attr[i].i
3901 = elf32_tic6x_array_alignment_to_tag (array_expect_in);
3902 break;
3903
3904 case Tag_ABI_conformance:
3905 /* Merging for this attribute is not specified. As on ARM,
3906 treat a missing attribute as no claim to conform and only
3907 merge identical values. */
3908 if (out_attr[i].s == NULL
3909 || in_attr[i].s == NULL
3910 || strcmp (out_attr[i].s,
3911 in_attr[i].s) != 0)
3912 out_attr[i].s = NULL;
3913 break;
3914
3915 case Tag_ABI_compatibility:
3916 /* Merged in _bfd_elf_merge_object_attributes. */
3917 break;
3918
3919 default:
3920 result
3921 = result && _bfd_elf_merge_unknown_attribute_low (ibfd, obfd, i);
3922 break;
3923 }
3924
3925 if (in_attr[i].type && !out_attr[i].type)
3926 out_attr[i].type = in_attr[i].type;
3927 }
3928
3929 /* Merge Tag_ABI_compatibility attributes and any common GNU ones. */
3930 if (!_bfd_elf_merge_object_attributes (ibfd, obfd))
3931 return FALSE;
3932
3933 result &= _bfd_elf_merge_unknown_attribute_list (ibfd, obfd);
3934
3935 return result;
3936 }
3937
3938 static bfd_boolean
3939 elf32_tic6x_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
3940 {
3941 if (!_bfd_generic_verify_endian_match (ibfd, obfd))
3942 return FALSE;
3943
3944 if (! is_tic6x_elf (ibfd) || ! is_tic6x_elf (obfd))
3945 return TRUE;
3946
3947 if (!elf32_tic6x_merge_attributes (ibfd, obfd))
3948 return FALSE;
3949
3950 return TRUE;
3951 }
3952
3953 /* Add a new unwind edit to the list described by HEAD, TAIL. If TINDEX is zero,
3954 adds the edit to the start of the list. (The list must be built in order of
3955 ascending TINDEX: the function's callers are primarily responsible for
3956 maintaining that condition). */
3957
3958 static void
3959 elf32_tic6x_add_unwind_table_edit (tic6x_unwind_table_edit **head,
3960 tic6x_unwind_table_edit **tail,
3961 tic6x_unwind_edit_type type,
3962 asection *linked_section,
3963 unsigned int tindex)
3964 {
3965 tic6x_unwind_table_edit *new_edit = (tic6x_unwind_table_edit *)
3966 xmalloc (sizeof (tic6x_unwind_table_edit));
3967
3968 new_edit->type = type;
3969 new_edit->linked_section = linked_section;
3970 new_edit->index = tindex;
3971
3972 if (tindex > 0)
3973 {
3974 new_edit->next = NULL;
3975
3976 if (*tail)
3977 (*tail)->next = new_edit;
3978
3979 (*tail) = new_edit;
3980
3981 if (!*head)
3982 (*head) = new_edit;
3983 }
3984 else
3985 {
3986 new_edit->next = *head;
3987
3988 if (!*tail)
3989 *tail = new_edit;
3990
3991 *head = new_edit;
3992 }
3993 }
3994
3995 static _tic6x_elf_section_data *
3996 get_tic6x_elf_section_data (asection * sec)
3997 {
3998 if (sec && sec->owner && is_tic6x_elf (sec->owner))
3999 return elf32_tic6x_section_data (sec);
4000 else
4001 return NULL;
4002 }
4003
4004
4005 /* Increase the size of EXIDX_SEC by ADJUST bytes. ADJUST must be negative. */
4006 static void
4007 elf32_tic6x_adjust_exidx_size (asection *exidx_sec, int adjust)
4008 {
4009 asection *out_sec;
4010
4011 if (!exidx_sec->rawsize)
4012 exidx_sec->rawsize = exidx_sec->size;
4013
4014 bfd_set_section_size (exidx_sec->owner, exidx_sec, exidx_sec->size + adjust);
4015 out_sec = exidx_sec->output_section;
4016 /* Adjust size of output section. */
4017 bfd_set_section_size (out_sec->owner, out_sec, out_sec->size +adjust);
4018 }
4019
4020 /* Insert an EXIDX_CANTUNWIND marker at the end of a section. */
4021 static void
4022 elf32_tic6x_insert_cantunwind_after (asection *text_sec, asection *exidx_sec)
4023 {
4024 struct _tic6x_elf_section_data *exidx_data;
4025
4026 exidx_data = get_tic6x_elf_section_data (exidx_sec);
4027 elf32_tic6x_add_unwind_table_edit (
4028 &exidx_data->u.exidx.unwind_edit_list,
4029 &exidx_data->u.exidx.unwind_edit_tail,
4030 INSERT_EXIDX_CANTUNWIND_AT_END, text_sec, UINT_MAX);
4031
4032 elf32_tic6x_adjust_exidx_size (exidx_sec, 8);
4033 }
4034
4035 /* Scan .cx6abi.exidx tables, and create a list describing edits which
4036 should be made to those tables, such that:
4037
4038 1. Regions without unwind data are marked with EXIDX_CANTUNWIND entries.
4039 2. Duplicate entries are merged together (EXIDX_CANTUNWIND, or unwind
4040 codes which have been inlined into the index).
4041
4042 If MERGE_EXIDX_ENTRIES is false, duplicate entries are not merged.
4043
4044 The edits are applied when the tables are written
4045 (in elf32_tic6x_write_section).
4046 */
4047
4048 bfd_boolean
4049 elf32_tic6x_fix_exidx_coverage (asection **text_section_order,
4050 unsigned int num_text_sections,
4051 struct bfd_link_info *info,
4052 bfd_boolean merge_exidx_entries)
4053 {
4054 bfd *inp;
4055 unsigned int last_second_word = 0, i;
4056 asection *last_exidx_sec = NULL;
4057 asection *last_text_sec = NULL;
4058 int last_unwind_type = -1;
4059
4060 /* Walk over all EXIDX sections, and create backlinks from the corrsponding
4061 text sections. */
4062 for (inp = info->input_bfds; inp != NULL; inp = inp->link_next)
4063 {
4064 asection *sec;
4065
4066 for (sec = inp->sections; sec != NULL; sec = sec->next)
4067 {
4068 struct bfd_elf_section_data *elf_sec = elf_section_data (sec);
4069 Elf_Internal_Shdr *hdr = &elf_sec->this_hdr;
4070
4071 if (!hdr || hdr->sh_type != SHT_C6000_UNWIND)
4072 continue;
4073
4074 if (elf_sec->linked_to)
4075 {
4076 Elf_Internal_Shdr *linked_hdr
4077 = &elf_section_data (elf_sec->linked_to)->this_hdr;
4078 struct _tic6x_elf_section_data *linked_sec_tic6x_data
4079 = get_tic6x_elf_section_data (linked_hdr->bfd_section);
4080
4081 if (linked_sec_tic6x_data == NULL)
4082 continue;
4083
4084 /* Link this .c6xabi.exidx section back from the
4085 text section it describes. */
4086 linked_sec_tic6x_data->u.text.tic6x_exidx_sec = sec;
4087 }
4088 }
4089 }
4090
4091 /* Walk all text sections in order of increasing VMA. Eilminate duplicate
4092 index table entries (EXIDX_CANTUNWIND and inlined unwind opcodes),
4093 and add EXIDX_CANTUNWIND entries for sections with no unwind table data. */
4094
4095 for (i = 0; i < num_text_sections; i++)
4096 {
4097 asection *sec = text_section_order[i];
4098 asection *exidx_sec;
4099 struct _tic6x_elf_section_data *tic6x_data
4100 = get_tic6x_elf_section_data (sec);
4101 struct _tic6x_elf_section_data *exidx_data;
4102 bfd_byte *contents = NULL;
4103 int deleted_exidx_bytes = 0;
4104 bfd_vma j;
4105 tic6x_unwind_table_edit *unwind_edit_head = NULL;
4106 tic6x_unwind_table_edit *unwind_edit_tail = NULL;
4107 Elf_Internal_Shdr *hdr;
4108 bfd *ibfd;
4109
4110 if (tic6x_data == NULL)
4111 continue;
4112
4113 exidx_sec = tic6x_data->u.text.tic6x_exidx_sec;
4114 if (exidx_sec == NULL)
4115 {
4116 /* Section has no unwind data. */
4117 if (last_unwind_type == 0 || !last_exidx_sec)
4118 continue;
4119
4120 /* Ignore zero sized sections. */
4121 if (sec->size == 0)
4122 continue;
4123
4124 elf32_tic6x_insert_cantunwind_after (last_text_sec, last_exidx_sec);
4125 last_unwind_type = 0;
4126 continue;
4127 }
4128
4129 /* Skip /DISCARD/ sections. */
4130 if (bfd_is_abs_section (exidx_sec->output_section))
4131 continue;
4132
4133 hdr = &elf_section_data (exidx_sec)->this_hdr;
4134 if (hdr->sh_type != SHT_C6000_UNWIND)
4135 continue;
4136
4137 exidx_data = get_tic6x_elf_section_data (exidx_sec);
4138 if (exidx_data == NULL)
4139 continue;
4140
4141 ibfd = exidx_sec->owner;
4142
4143 if (hdr->contents != NULL)
4144 contents = hdr->contents;
4145 else if (! bfd_malloc_and_get_section (ibfd, exidx_sec, &contents))
4146 /* An error? */
4147 continue;
4148
4149 for (j = 0; j < hdr->sh_size; j += 8)
4150 {
4151 unsigned int second_word = bfd_get_32 (ibfd, contents + j + 4);
4152 int unwind_type;
4153 int elide = 0;
4154
4155 /* An EXIDX_CANTUNWIND entry. */
4156 if (second_word == 1)
4157 {
4158 if (last_unwind_type == 0)
4159 elide = 1;
4160 unwind_type = 0;
4161 }
4162 /* Inlined unwinding data. Merge if equal to previous. */
4163 else if ((second_word & 0x80000000) != 0)
4164 {
4165 if (merge_exidx_entries
4166 && last_second_word == second_word
4167 && last_unwind_type == 1)
4168 elide = 1;
4169 unwind_type = 1;
4170 last_second_word = second_word;
4171 }
4172 /* Normal table entry. In theory we could merge these too,
4173 but duplicate entries are likely to be much less common. */
4174 else
4175 unwind_type = 2;
4176
4177 if (elide)
4178 {
4179 elf32_tic6x_add_unwind_table_edit (&unwind_edit_head,
4180 &unwind_edit_tail, DELETE_EXIDX_ENTRY, NULL, j / 8);
4181
4182 deleted_exidx_bytes += 8;
4183 }
4184
4185 last_unwind_type = unwind_type;
4186 }
4187
4188 /* Free contents if we allocated it ourselves. */
4189 if (contents != hdr->contents)
4190 free (contents);
4191
4192 /* Record edits to be applied later (in elf32_tic6x_write_section). */
4193 exidx_data->u.exidx.unwind_edit_list = unwind_edit_head;
4194 exidx_data->u.exidx.unwind_edit_tail = unwind_edit_tail;
4195
4196 if (deleted_exidx_bytes > 0)
4197 elf32_tic6x_adjust_exidx_size (exidx_sec, -deleted_exidx_bytes);
4198
4199 last_exidx_sec = exidx_sec;
4200 last_text_sec = sec;
4201 }
4202
4203 /* Add terminating CANTUNWIND entry. */
4204 if (last_exidx_sec && last_unwind_type != 0)
4205 elf32_tic6x_insert_cantunwind_after (last_text_sec, last_exidx_sec);
4206
4207 return TRUE;
4208 }
4209
4210 /* Add ADDEND to lower 31 bits of VAL, leaving other bits unmodified. */
4211
4212 static unsigned long
4213 elf32_tic6x_add_low31 (unsigned long val, bfd_vma addend)
4214 {
4215 return (val & ~0x7ffffffful) | ((val + addend) & 0x7ffffffful);
4216 }
4217
4218 /* Copy an .c6xabi.exidx table entry, adding OFFSET to (applied) PREL31
4219 relocations. OFFSET is in bytes, and will be scaled before encoding. */
4220
4221
4222 static void
4223 elf32_tic6x_copy_exidx_entry (bfd *output_bfd, bfd_byte *to, bfd_byte *from,
4224 bfd_vma offset)
4225 {
4226 unsigned long first_word = bfd_get_32 (output_bfd, from);
4227 unsigned long second_word = bfd_get_32 (output_bfd, from + 4);
4228
4229 offset >>= 1;
4230 /* High bit of first word is supposed to be zero. */
4231 if ((first_word & 0x80000000ul) == 0)
4232 first_word = elf32_tic6x_add_low31 (first_word, offset);
4233
4234 /* If the high bit of the first word is clear, and the bit pattern is not 0x1
4235 (EXIDX_CANTUNWIND), this is an offset to an .c6xabi.extab entry. */
4236 if ((second_word != 0x1) && ((second_word & 0x80000000ul) == 0))
4237 second_word = elf32_tic6x_add_low31 (second_word, offset);
4238
4239 bfd_put_32 (output_bfd, first_word, to);
4240 bfd_put_32 (output_bfd, second_word, to + 4);
4241 }
4242
4243 /* Do the actual mangling of exception index tables. */
4244
4245 static bfd_boolean
4246 elf32_tic6x_write_section (bfd *output_bfd,
4247 struct bfd_link_info *link_info,
4248 asection *sec,
4249 bfd_byte *contents)
4250 {
4251 _tic6x_elf_section_data *tic6x_data;
4252 struct elf32_tic6x_link_hash_table *globals
4253 = elf32_tic6x_hash_table (link_info);
4254 bfd_vma offset = sec->output_section->vma + sec->output_offset;
4255
4256 if (globals == NULL)
4257 return FALSE;
4258
4259 /* If this section has not been allocated an _tic6x_elf_section_data
4260 structure then we cannot record anything. */
4261 tic6x_data = get_tic6x_elf_section_data (sec);
4262 if (tic6x_data == NULL)
4263 return FALSE;
4264
4265 if (tic6x_data->elf.this_hdr.sh_type != SHT_C6000_UNWIND)
4266 return FALSE;
4267
4268 tic6x_unwind_table_edit *edit_node
4269 = tic6x_data->u.exidx.unwind_edit_list;
4270 /* Now, sec->size is the size of the section we will write. The original
4271 size (before we merged duplicate entries and inserted EXIDX_CANTUNWIND
4272 markers) was sec->rawsize. (This isn't the case if we perform no
4273 edits, then rawsize will be zero and we should use size). */
4274 bfd_byte *edited_contents = (bfd_byte *) bfd_malloc (sec->size);
4275 unsigned int input_size = sec->rawsize ? sec->rawsize : sec->size;
4276 unsigned int in_index, out_index;
4277 bfd_vma add_to_offsets = 0;
4278
4279 for (in_index = 0, out_index = 0; in_index * 8 < input_size || edit_node;)
4280 {
4281 if (edit_node)
4282 {
4283 unsigned int edit_index = edit_node->index;
4284
4285 if (in_index < edit_index && in_index * 8 < input_size)
4286 {
4287 elf32_tic6x_copy_exidx_entry (output_bfd,
4288 edited_contents + out_index * 8,
4289 contents + in_index * 8, add_to_offsets);
4290 out_index++;
4291 in_index++;
4292 }
4293 else if (in_index == edit_index
4294 || (in_index * 8 >= input_size
4295 && edit_index == UINT_MAX))
4296 {
4297 switch (edit_node->type)
4298 {
4299 case DELETE_EXIDX_ENTRY:
4300 in_index++;
4301 add_to_offsets += 8;
4302 break;
4303
4304 case INSERT_EXIDX_CANTUNWIND_AT_END:
4305 {
4306 asection *text_sec = edit_node->linked_section;
4307 bfd_vma text_offset = text_sec->output_section->vma
4308 + text_sec->output_offset
4309 + text_sec->size;
4310 bfd_vma exidx_offset = offset + out_index * 8;
4311 unsigned long prel31_offset;
4312
4313 /* Note: this is meant to be equivalent to an
4314 R_C6000_PREL31 relocation. These synthetic
4315 EXIDX_CANTUNWIND markers are not relocated by the
4316 usual BFD method. */
4317 prel31_offset = ((text_offset - exidx_offset) >> 1)
4318 & 0x7ffffffful;
4319
4320 /* First address we can't unwind. */
4321 bfd_put_32 (output_bfd, prel31_offset,
4322 &edited_contents[out_index * 8]);
4323
4324 /* Code for EXIDX_CANTUNWIND. */
4325 bfd_put_32 (output_bfd, 0x1,
4326 &edited_contents[out_index * 8 + 4]);
4327
4328 out_index++;
4329 add_to_offsets -= 8;
4330 }
4331 break;
4332 }
4333
4334 edit_node = edit_node->next;
4335 }
4336 }
4337 else
4338 {
4339 /* No more edits, copy remaining entries verbatim. */
4340 elf32_tic6x_copy_exidx_entry (output_bfd,
4341 edited_contents + out_index * 8,
4342 contents + in_index * 8, add_to_offsets);
4343 out_index++;
4344 in_index++;
4345 }
4346 }
4347
4348 if (!(sec->flags & SEC_EXCLUDE) && !(sec->flags & SEC_NEVER_LOAD))
4349 bfd_set_section_contents (output_bfd, sec->output_section,
4350 edited_contents,
4351 (file_ptr) sec->output_offset, sec->size);
4352
4353 return TRUE;
4354 }
4355
4356 static void
4357 elf32_tic6x_set_osabi (bfd *abfd, struct bfd_link_info *link_info)
4358 {
4359 if (link_info != NULL && link_info->relocatable)
4360 return;
4361 _bfd_elf_set_osabi (abfd, link_info);
4362 }
4363
4364 #define TARGET_LITTLE_SYM bfd_elf32_tic6x_le_vec
4365 #define TARGET_LITTLE_NAME "elf32-tic6x-le"
4366 #define TARGET_BIG_SYM bfd_elf32_tic6x_be_vec
4367 #define TARGET_BIG_NAME "elf32-tic6x-be"
4368 #define ELF_ARCH bfd_arch_tic6x
4369 #define ELF_TARGET_ID TIC6X_ELF_DATA
4370 #define ELF_MACHINE_CODE EM_TI_C6000
4371 #define ELF_MAXPAGESIZE 0x1000
4372 #define bfd_elf32_bfd_reloc_type_lookup elf32_tic6x_reloc_type_lookup
4373 #define bfd_elf32_bfd_reloc_name_lookup elf32_tic6x_reloc_name_lookup
4374 #define bfd_elf32_bfd_merge_private_bfd_data elf32_tic6x_merge_private_bfd_data
4375 #define bfd_elf32_mkobject elf32_tic6x_mkobject
4376 #define bfd_elf32_bfd_link_hash_table_create elf32_tic6x_link_hash_table_create
4377 #define bfd_elf32_bfd_link_hash_table_free elf32_tic6x_link_hash_table_free
4378 #define bfd_elf32_new_section_hook elf32_tic6x_new_section_hook
4379 #define elf_backend_stack_align 8
4380 #define elf_backend_can_gc_sections 1
4381 #define elf_backend_default_use_rela_p 1
4382 #define elf_backend_may_use_rel_p 1
4383 #define elf_backend_may_use_rela_p 1
4384 #define elf_backend_obj_attrs_arg_type elf32_tic6x_obj_attrs_arg_type
4385 #define elf_backend_obj_attrs_handle_unknown elf32_tic6x_obj_attrs_handle_unknown
4386 #define elf_backend_obj_attrs_order elf32_tic6x_obj_attrs_order
4387 #define elf_backend_obj_attrs_section ".c6xabi.attributes"
4388 #define elf_backend_obj_attrs_section_type SHT_C6000_ATTRIBUTES
4389 #define elf_backend_obj_attrs_vendor "c6xabi"
4390 #define elf_backend_can_refcount 1
4391 #define elf_backend_want_got_plt 1
4392 #define elf_backend_want_dynbss 1
4393 #define elf_backend_plt_readonly 1
4394 #define elf_backend_rela_normal 1
4395 #define elf_backend_got_header_size 8
4396 #define elf_backend_fake_sections elf32_tic6x_fake_sections
4397 #define elf_backend_gc_sweep_hook elf32_tic6x_gc_sweep_hook
4398 #define elf_backend_gc_mark_extra_sections elf32_tic6x_gc_mark_extra_sections
4399 #define elf_backend_create_dynamic_sections \
4400 elf32_tic6x_create_dynamic_sections
4401 #define elf_backend_adjust_dynamic_symbol \
4402 elf32_tic6x_adjust_dynamic_symbol
4403 #define elf_backend_check_relocs elf32_tic6x_check_relocs
4404 #define elf_backend_add_symbol_hook elf32_tic6x_add_symbol_hook
4405 #define elf_backend_symbol_processing elf32_tic6x_symbol_processing
4406 #define elf_backend_link_output_symbol_hook \
4407 elf32_tic6x_link_output_symbol_hook
4408 #define elf_backend_section_from_bfd_section \
4409 elf32_tic6x_section_from_bfd_section
4410 #define elf_backend_relocate_section elf32_tic6x_relocate_section
4411 #define elf_backend_relocs_compatible _bfd_elf_relocs_compatible
4412 #define elf_backend_finish_dynamic_symbol \
4413 elf32_tic6x_finish_dynamic_symbol
4414 #define elf_backend_always_size_sections \
4415 elf32_tic6x_always_size_sections
4416 #define elf_backend_size_dynamic_sections \
4417 elf32_tic6x_size_dynamic_sections
4418 #define elf_backend_finish_dynamic_sections \
4419 elf32_tic6x_finish_dynamic_sections
4420 #define bfd_elf32_bfd_final_link \
4421 elf32_tic6x_final_link
4422 #define elf_backend_write_section elf32_tic6x_write_section
4423 #define elf_info_to_howto elf32_tic6x_info_to_howto
4424 #define elf_info_to_howto_rel elf32_tic6x_info_to_howto_rel
4425
4426 #undef elf_backend_omit_section_dynsym
4427 #define elf_backend_omit_section_dynsym elf32_tic6x_link_omit_section_dynsym
4428 #define elf_backend_plt_sym_val elf32_tic6x_plt_sym_val
4429
4430 #include "elf32-target.h"
4431
4432 #undef elf32_bed
4433 #define elf32_bed elf32_tic6x_linux_bed
4434
4435 #undef TARGET_LITTLE_SYM
4436 #define TARGET_LITTLE_SYM bfd_elf32_tic6x_linux_le_vec
4437 #undef TARGET_LITTLE_NAME
4438 #define TARGET_LITTLE_NAME "elf32-tic6x-linux-le"
4439 #undef TARGET_BIG_SYM
4440 #define TARGET_BIG_SYM bfd_elf32_tic6x_linux_be_vec
4441 #undef TARGET_BIG_NAME
4442 #define TARGET_BIG_NAME "elf32-tic6x-linux-be"
4443 #undef ELF_OSABI
4444 #define ELF_OSABI ELFOSABI_C6000_LINUX
4445
4446 #undef elf_backend_post_process_headers
4447 #define elf_backend_post_process_headers elf32_tic6x_set_osabi
4448
4449 #include "elf32-target.h"
4450
4451 #undef elf32_bed
4452 #define elf32_bed elf32_tic6x_elf_bed
4453
4454 #undef TARGET_LITTLE_SYM
4455 #define TARGET_LITTLE_SYM bfd_elf32_tic6x_elf_le_vec
4456 #undef TARGET_LITTLE_NAME
4457 #define TARGET_LITTLE_NAME "elf32-tic6x-elf-le"
4458 #undef TARGET_BIG_SYM
4459 #define TARGET_BIG_SYM bfd_elf32_tic6x_elf_be_vec
4460 #undef TARGET_BIG_NAME
4461 #define TARGET_BIG_NAME "elf32-tic6x-elf-be"
4462 #undef ELF_OSABI
4463 #define ELF_OSABI ELFOSABI_C6000_ELFABI
4464
4465 #undef elf_backend_post_process_headers
4466 #define elf_backend_post_process_headers elf32_tic6x_set_osabi
4467
4468 #include "elf32-target.h"
GDB Binutils - Deliverables
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