1 /* 32-bit ELF support for TI C6X
2 Copyright (C) 2010-2017 Free Software Foundation, Inc.
3 Contributed by Joseph Myers <joseph@codesourcery.com>
4 Bernd Schmidt <bernds@codesourcery.com>
6 This file is part of BFD, the Binary File Descriptor library.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
21 MA 02110-1301, USA. */
27 #include "libiberty.h"
29 #include "elf/tic6x.h"
30 #include "elf32-tic6x.h"
32 #define ELF_DYNAMIC_INTERPRETER "/lib/ld-uClibc.so.0"
34 /* DSBT binaries have a default 128K stack. */
35 #define DEFAULT_STACK_SIZE 0x20000
37 /* The size in bytes of an entry in the procedure linkage table. */
38 #define PLT_ENTRY_SIZE 24
40 /* TI C6X ELF linker hash table. */
42 struct elf32_tic6x_link_hash_table
44 struct elf_link_hash_table elf;
46 /* C6X specific command line arguments. */
47 struct elf32_tic6x_params params;
49 /* Small local sym cache. */
50 struct sym_cache sym_cache;
52 /* The output BFD, for convenience. */
55 /* The .dsbt section. */
59 /* Get the TI C6X ELF linker hash table from a link_info structure. */
61 #define elf32_tic6x_hash_table(p) \
62 ((struct elf32_tic6x_link_hash_table *) ((p)->hash))
64 /* TI C6X ELF linker hash entry. */
66 struct elf32_tic6x_link_hash_entry
68 struct elf_link_hash_entry elf;
70 /* Track dynamic relocs copied for this symbol. */
71 struct elf_dyn_relocs *dyn_relocs;
77 INSERT_EXIDX_CANTUNWIND_AT_END
79 tic6x_unwind_edit_type;
81 /* A (sorted) list of edits to apply to an unwind table. */
82 typedef struct tic6x_unwind_table_edit
84 tic6x_unwind_edit_type type;
85 /* Note: we sometimes want to insert an unwind entry corresponding to a
86 section different from the one we're currently writing out, so record the
87 (text) section this edit relates to here. */
88 asection *linked_section;
90 struct tic6x_unwind_table_edit *next;
92 tic6x_unwind_table_edit;
94 typedef struct _tic6x_elf_section_data
96 /* Information about mapping symbols. */
97 struct bfd_elf_section_data elf;
98 /* Information about unwind tables. */
101 /* Unwind info attached to a text section. */
104 asection *tic6x_exidx_sec;
107 /* Unwind info attached to an .c6xabi.exidx section. */
110 tic6x_unwind_table_edit *unwind_edit_list;
111 tic6x_unwind_table_edit *unwind_edit_tail;
115 _tic6x_elf_section_data;
117 #define elf32_tic6x_section_data(sec) \
118 ((_tic6x_elf_section_data *) elf_section_data (sec))
120 struct elf32_tic6x_obj_tdata
122 struct elf_obj_tdata root;
124 /* Whether to use RELA relocations when generating relocations.
125 This is a per-object flag to allow the assembler to generate REL
126 relocations for use in linker testcases. */
127 bfd_boolean use_rela_p;
130 #define elf32_tic6x_tdata(abfd) \
131 ((struct elf32_tic6x_obj_tdata *) (abfd)->tdata.any)
133 #define is_tic6x_elf(bfd) \
134 (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
135 && elf_tdata (bfd) != NULL \
136 && elf_object_id (bfd) == TIC6X_ELF_DATA)
138 /* C6X ELF uses two common sections. One is the usual one, and the
139 other is for small objects. All the small objects are kept
140 together, and then referenced via the gp pointer, which yields
141 faster assembler code. This is what we use for the small common
142 section. This approach is copied from ecoff.c. */
143 static asection tic6x_elf_scom_section;
144 static asymbol tic6x_elf_scom_symbol;
145 static asymbol *tic6x_elf_scom_symbol_ptr;
147 static reloc_howto_type elf32_tic6x_howto_table[] =
149 HOWTO (R_C6000_NONE, /* type */
151 3, /* size (0 = byte, 1 = short, 2 = long) */
153 FALSE, /* pc_relative */
155 complain_overflow_dont,/* complain_on_overflow */
156 bfd_elf_generic_reloc, /* special_function */
157 "R_C6000_NONE", /* name */
158 FALSE, /* partial_inplace */
161 FALSE), /* pcrel_offset */
162 HOWTO (R_C6000_ABS32, /* type */
164 2, /* size (0 = byte, 1 = short, 2 = long) */
166 FALSE, /* pc_relative */
168 complain_overflow_dont,/* complain_on_overflow */
169 bfd_elf_generic_reloc, /* special_function */
170 "R_C6000_ABS32", /* name */
171 FALSE, /* partial_inplace */
173 0xffffffff, /* dst_mask */
174 FALSE), /* pcrel_offset */
175 HOWTO (R_C6000_ABS16, /* type */
177 1, /* size (0 = byte, 1 = short, 2 = long) */
179 FALSE, /* pc_relative */
181 complain_overflow_bitfield,/* complain_on_overflow */
182 bfd_elf_generic_reloc, /* special_function */
183 "R_C6000_ABS16", /* name */
184 FALSE, /* partial_inplace */
186 0x0000ffff, /* dst_mask */
187 FALSE), /* pcrel_offset */
188 HOWTO (R_C6000_ABS8, /* type */
190 0, /* size (0 = byte, 1 = short, 2 = long) */
192 FALSE, /* pc_relative */
194 complain_overflow_bitfield,/* complain_on_overflow */
195 bfd_elf_generic_reloc, /* special_function */
196 "R_C6000_ABS8", /* name */
197 FALSE, /* partial_inplace */
199 0x000000ff, /* dst_mask */
200 FALSE), /* pcrel_offset */
201 HOWTO (R_C6000_PCR_S21, /* type */
203 2, /* size (0 = byte, 1 = short, 2 = long) */
205 TRUE, /* pc_relative */
207 complain_overflow_signed,/* complain_on_overflow */
208 bfd_elf_generic_reloc, /* special_function */
209 "R_C6000_PCR_S21", /* name */
210 FALSE, /* partial_inplace */
212 0x0fffff80, /* dst_mask */
213 TRUE), /* pcrel_offset */
214 HOWTO (R_C6000_PCR_S12, /* type */
216 2, /* size (0 = byte, 1 = short, 2 = long) */
218 TRUE, /* pc_relative */
220 complain_overflow_signed,/* complain_on_overflow */
221 bfd_elf_generic_reloc, /* special_function */
222 "R_C6000_PCR_S12", /* name */
223 FALSE, /* partial_inplace */
225 0x0fff0000, /* dst_mask */
226 TRUE), /* pcrel_offset */
227 HOWTO (R_C6000_PCR_S10, /* type */
229 2, /* size (0 = byte, 1 = short, 2 = long) */
231 TRUE, /* pc_relative */
233 complain_overflow_signed,/* complain_on_overflow */
234 bfd_elf_generic_reloc, /* special_function */
235 "R_C6000_PCR_S10", /* name */
236 FALSE, /* partial_inplace */
238 0x007fe000, /* dst_mask */
239 TRUE), /* pcrel_offset */
240 HOWTO (R_C6000_PCR_S7, /* type */
242 2, /* size (0 = byte, 1 = short, 2 = long) */
244 TRUE, /* pc_relative */
246 complain_overflow_signed,/* complain_on_overflow */
247 bfd_elf_generic_reloc, /* special_function */
248 "R_C6000_PCR_S7", /* name */
249 FALSE, /* partial_inplace */
251 0x007f0000, /* dst_mask */
252 TRUE), /* pcrel_offset */
253 HOWTO (R_C6000_ABS_S16, /* type */
255 2, /* size (0 = byte, 1 = short, 2 = long) */
257 FALSE, /* pc_relative */
259 complain_overflow_signed,/* complain_on_overflow */
260 bfd_elf_generic_reloc, /* special_function */
261 "R_C6000_ABS_S16", /* name */
262 FALSE, /* partial_inplace */
264 0x007fff80, /* dst_mask */
265 FALSE), /* pcrel_offset */
266 HOWTO (R_C6000_ABS_L16, /* type */
268 2, /* size (0 = byte, 1 = short, 2 = long) */
270 FALSE, /* pc_relative */
272 complain_overflow_dont,/* complain_on_overflow */
273 bfd_elf_generic_reloc, /* special_function */
274 "R_C6000_ABS_L16", /* name */
275 FALSE, /* partial_inplace */
277 0x007fff80, /* dst_mask */
278 FALSE), /* pcrel_offset */
279 HOWTO (R_C6000_ABS_H16, /* type */
281 2, /* size (0 = byte, 1 = short, 2 = long) */
283 FALSE, /* pc_relative */
285 complain_overflow_dont,/* complain_on_overflow */
286 bfd_elf_generic_reloc, /* special_function */
287 "R_C6000_ABS_H16", /* name */
288 FALSE, /* partial_inplace */
290 0x007fff80, /* dst_mask */
291 FALSE), /* pcrel_offset */
292 HOWTO (R_C6000_SBR_U15_B, /* type */
294 2, /* size (0 = byte, 1 = short, 2 = long) */
296 FALSE, /* pc_relative */
298 complain_overflow_unsigned,/* complain_on_overflow */
299 bfd_elf_generic_reloc, /* special_function */
300 "R_C6000_SBR_U15_B", /* name */
301 FALSE, /* partial_inplace */
303 0x007fff00, /* dst_mask */
304 FALSE), /* pcrel_offset */
305 HOWTO (R_C6000_SBR_U15_H, /* type */
307 2, /* size (0 = byte, 1 = short, 2 = long) */
309 FALSE, /* pc_relative */
311 complain_overflow_unsigned,/* complain_on_overflow */
312 bfd_elf_generic_reloc, /* special_function */
313 "R_C6000_SBR_U15_H", /* name */
314 FALSE, /* partial_inplace */
316 0x007fff00, /* dst_mask */
317 FALSE), /* pcrel_offset */
318 HOWTO (R_C6000_SBR_U15_W, /* type */
320 2, /* size (0 = byte, 1 = short, 2 = long) */
322 FALSE, /* pc_relative */
324 complain_overflow_unsigned,/* complain_on_overflow */
325 bfd_elf_generic_reloc, /* special_function */
326 "R_C6000_SBR_U15_W", /* name */
327 FALSE, /* partial_inplace */
329 0x007fff00, /* dst_mask */
330 FALSE), /* pcrel_offset */
331 HOWTO (R_C6000_SBR_S16, /* type */
333 2, /* size (0 = byte, 1 = short, 2 = long) */
335 FALSE, /* pc_relative */
337 complain_overflow_signed,/* complain_on_overflow */
338 bfd_elf_generic_reloc, /* special_function */
339 "R_C6000_SBR_S16", /* name */
340 FALSE, /* partial_inplace */
342 0x007fff80, /* dst_mask */
343 FALSE), /* pcrel_offset */
344 HOWTO (R_C6000_SBR_L16_B, /* type */
346 2, /* size (0 = byte, 1 = short, 2 = long) */
348 FALSE, /* pc_relative */
350 complain_overflow_dont,/* complain_on_overflow */
351 bfd_elf_generic_reloc, /* special_function */
352 "R_C6000_SBR_L16_B", /* name */
353 FALSE, /* partial_inplace */
355 0x007fff80, /* dst_mask */
356 FALSE), /* pcrel_offset */
357 HOWTO (R_C6000_SBR_L16_H, /* type */
359 2, /* size (0 = byte, 1 = short, 2 = long) */
361 FALSE, /* pc_relative */
363 complain_overflow_dont,/* complain_on_overflow */
364 bfd_elf_generic_reloc, /* special_function */
365 "R_C6000_SBR_L16_H", /* name */
366 FALSE, /* partial_inplace */
368 0x007fff80, /* dst_mask */
369 FALSE), /* pcrel_offset */
370 HOWTO (R_C6000_SBR_L16_W, /* type */
372 2, /* size (0 = byte, 1 = short, 2 = long) */
374 FALSE, /* pc_relative */
376 complain_overflow_dont,/* complain_on_overflow */
377 bfd_elf_generic_reloc, /* special_function */
378 "R_C6000_SBR_L16_W", /* name */
379 FALSE, /* partial_inplace */
381 0x007fff80, /* dst_mask */
382 FALSE), /* pcrel_offset */
383 HOWTO (R_C6000_SBR_H16_B, /* type */
385 2, /* size (0 = byte, 1 = short, 2 = long) */
387 FALSE, /* pc_relative */
389 complain_overflow_dont,/* complain_on_overflow */
390 bfd_elf_generic_reloc, /* special_function */
391 "R_C6000_SBR_H16_B", /* name */
392 FALSE, /* partial_inplace */
394 0x007fff80, /* dst_mask */
395 FALSE), /* pcrel_offset */
396 HOWTO (R_C6000_SBR_H16_H, /* type */
398 2, /* size (0 = byte, 1 = short, 2 = long) */
400 FALSE, /* pc_relative */
402 complain_overflow_dont,/* complain_on_overflow */
403 bfd_elf_generic_reloc, /* special_function */
404 "R_C6000_SBR_H16_H", /* name */
405 FALSE, /* partial_inplace */
407 0x007fff80, /* dst_mask */
408 FALSE), /* pcrel_offset */
409 HOWTO (R_C6000_SBR_H16_W, /* type */
411 2, /* size (0 = byte, 1 = short, 2 = long) */
413 FALSE, /* pc_relative */
415 complain_overflow_dont,/* complain_on_overflow */
416 bfd_elf_generic_reloc, /* special_function */
417 "R_C6000_SBR_H16_W", /* name */
418 FALSE, /* partial_inplace */
420 0x007fff80, /* dst_mask */
421 FALSE), /* pcrel_offset */
422 HOWTO (R_C6000_SBR_GOT_U15_W, /* type */
424 2, /* size (0 = byte, 1 = short, 2 = long) */
426 FALSE, /* pc_relative */
428 complain_overflow_unsigned,/* complain_on_overflow */
429 bfd_elf_generic_reloc, /* special_function */
430 "R_C6000_SBR_GOT_U15_W",/* name */
431 FALSE, /* partial_inplace */
433 0x007fff00, /* dst_mask */
434 FALSE), /* pcrel_offset */
435 HOWTO (R_C6000_SBR_GOT_L16_W, /* type */
437 2, /* size (0 = byte, 1 = short, 2 = long) */
439 FALSE, /* pc_relative */
441 complain_overflow_dont,/* complain_on_overflow */
442 bfd_elf_generic_reloc, /* special_function */
443 "R_C6000_SBR_GOT_L16_W",/* name */
444 FALSE, /* partial_inplace */
446 0x007fff80, /* dst_mask */
447 FALSE), /* pcrel_offset */
448 HOWTO (R_C6000_SBR_GOT_H16_W, /* type */
450 2, /* size (0 = byte, 1 = short, 2 = long) */
452 FALSE, /* pc_relative */
454 complain_overflow_dont,/* complain_on_overflow */
455 bfd_elf_generic_reloc, /* special_function */
456 "R_C6000_SBR_GOT_H16_W",/* name */
457 FALSE, /* partial_inplace */
459 0x007fff80, /* dst_mask */
460 FALSE), /* pcrel_offset */
461 HOWTO (R_C6000_DSBT_INDEX, /* type */
463 2, /* size (0 = byte, 1 = short, 2 = long) */
465 FALSE, /* pc_relative */
467 complain_overflow_unsigned,/* complain_on_overflow */
468 bfd_elf_generic_reloc, /* special_function */
469 "R_C6000_DSBT_INDEX", /* name */
470 FALSE, /* partial_inplace */
472 0x007fff00, /* dst_mask */
473 FALSE), /* pcrel_offset */
474 HOWTO (R_C6000_PREL31, /* type */
476 2, /* size (0 = byte, 1 = short, 2 = long) */
478 TRUE, /* pc_relative */
480 complain_overflow_dont,/* complain_on_overflow */
481 bfd_elf_generic_reloc, /* special_function */
482 "R_C6000_PREL31", /* name */
483 FALSE, /* partial_inplace */
485 0x7fffffff, /* dst_mask */
486 TRUE), /* pcrel_offset */
487 HOWTO (R_C6000_COPY, /* type */
489 2, /* size (0 = byte, 1 = short, 2 = long) */
491 FALSE, /* pc_relative */
493 complain_overflow_dont,/* complain_on_overflow */
494 bfd_elf_generic_reloc, /* special_function */
495 "R_C6000_COPY", /* name */
496 FALSE, /* partial_inplace */
498 0xffffffff, /* dst_mask */
499 FALSE), /* pcrel_offset */
500 HOWTO (R_C6000_JUMP_SLOT, /* type */
502 2, /* size (0 = byte, 1 = short, 2 = long) */
504 FALSE, /* pc_relative */
506 complain_overflow_dont,/* complain_on_overflow */
507 bfd_elf_generic_reloc, /* special_function */
508 "R_C6000_JUMP_SLOT", /* name */
509 FALSE, /* partial_inplace */
511 0xffffffff, /* dst_mask */
512 FALSE), /* pcrel_offset */
513 HOWTO (R_C6000_EHTYPE, /* type */
515 2, /* size (0 = byte, 1 = short, 2 = long) */
517 FALSE, /* pc_relative */
519 complain_overflow_dont,/* complain_on_overflow */
520 bfd_elf_generic_reloc, /* special_function */
521 "R_C6000_EHTYPE", /* name */
522 FALSE, /* partial_inplace */
524 0xffffffff, /* dst_mask */
525 FALSE), /* pcrel_offset */
526 HOWTO (R_C6000_PCR_H16, /* type */
528 2, /* size (0 = byte, 1 = short, 2 = long) */
530 TRUE, /* pc_relative */
532 complain_overflow_dont,/* complain_on_overflow */
533 bfd_elf_generic_reloc, /* special_function */
534 "R_C6000_PCR_H16", /* name */
535 FALSE, /* partial_inplace */
537 0x007fff80, /* dst_mask */
538 TRUE), /* pcrel_offset */
539 HOWTO (R_C6000_PCR_L16, /* type */
541 2, /* size (0 = byte, 1 = short, 2 = long) */
543 TRUE, /* pc_relative */
545 complain_overflow_dont,/* complain_on_overflow */
546 bfd_elf_generic_reloc, /* special_function */
547 "R_C6000_PCR_L16", /* name */
548 FALSE, /* partial_inplace */
550 0x007fff80, /* dst_mask */
551 TRUE), /* pcrel_offset */
774 HOWTO (R_C6000_ALIGN, /* type */
776 0, /* size (0 = byte, 1 = short, 2 = long) */
778 FALSE, /* pc_relative */
780 complain_overflow_dont,/* complain_on_overflow */
781 bfd_elf_generic_reloc, /* special_function */
782 "R_C6000_ALIGN", /* name */
783 FALSE, /* partial_inplace */
786 FALSE), /* pcrel_offset */
787 HOWTO (R_C6000_FPHEAD, /* type */
789 0, /* size (0 = byte, 1 = short, 2 = long) */
791 FALSE, /* pc_relative */
793 complain_overflow_dont,/* complain_on_overflow */
794 bfd_elf_generic_reloc, /* special_function */
795 "R_C6000_FPHEAD", /* name */
796 FALSE, /* partial_inplace */
799 FALSE), /* pcrel_offset */
800 HOWTO (R_C6000_NOCMP, /* type */
802 0, /* size (0 = byte, 1 = short, 2 = long) */
804 FALSE, /* pc_relative */
806 complain_overflow_dont,/* complain_on_overflow */
807 bfd_elf_generic_reloc, /* special_function */
808 "R_C6000_NOCMP", /* name */
809 FALSE, /* partial_inplace */
812 FALSE) /* pcrel_offset */
815 static reloc_howto_type elf32_tic6x_howto_table_rel[] =
817 HOWTO (R_C6000_NONE, /* type */
819 3, /* size (0 = byte, 1 = short, 2 = long) */
821 FALSE, /* pc_relative */
823 complain_overflow_dont,/* complain_on_overflow */
824 bfd_elf_generic_reloc, /* special_function */
825 "R_C6000_NONE", /* name */
826 TRUE, /* partial_inplace */
829 FALSE), /* pcrel_offset */
830 HOWTO (R_C6000_ABS32, /* type */
832 2, /* size (0 = byte, 1 = short, 2 = long) */
834 FALSE, /* pc_relative */
836 complain_overflow_dont,/* complain_on_overflow */
837 bfd_elf_generic_reloc, /* special_function */
838 "R_C6000_ABS32", /* name */
839 TRUE, /* partial_inplace */
840 0xffffffff, /* src_mask */
841 0xffffffff, /* dst_mask */
842 FALSE), /* pcrel_offset */
843 HOWTO (R_C6000_ABS16, /* type */
845 1, /* size (0 = byte, 1 = short, 2 = long) */
847 FALSE, /* pc_relative */
849 complain_overflow_bitfield,/* complain_on_overflow */
850 bfd_elf_generic_reloc, /* special_function */
851 "R_C6000_ABS16", /* name */
852 TRUE, /* partial_inplace */
853 0x0000ffff, /* src_mask */
854 0x0000ffff, /* dst_mask */
855 FALSE), /* pcrel_offset */
856 HOWTO (R_C6000_ABS8, /* type */
858 0, /* size (0 = byte, 1 = short, 2 = long) */
860 FALSE, /* pc_relative */
862 complain_overflow_bitfield,/* complain_on_overflow */
863 bfd_elf_generic_reloc, /* special_function */
864 "R_C6000_ABS8", /* name */
865 TRUE, /* partial_inplace */
866 0x000000ff, /* src_mask */
867 0x000000ff, /* dst_mask */
868 FALSE), /* pcrel_offset */
869 HOWTO (R_C6000_PCR_S21, /* type */
871 2, /* size (0 = byte, 1 = short, 2 = long) */
873 TRUE, /* pc_relative */
875 complain_overflow_signed,/* complain_on_overflow */
876 bfd_elf_generic_reloc, /* special_function */
877 "R_C6000_PCR_S21", /* name */
878 TRUE, /* partial_inplace */
879 0x0fffff80, /* src_mask */
880 0x0fffff80, /* dst_mask */
881 TRUE), /* pcrel_offset */
882 HOWTO (R_C6000_PCR_S12, /* type */
884 2, /* size (0 = byte, 1 = short, 2 = long) */
886 TRUE, /* pc_relative */
888 complain_overflow_signed,/* complain_on_overflow */
889 bfd_elf_generic_reloc, /* special_function */
890 "R_C6000_PCR_S12", /* name */
891 TRUE, /* partial_inplace */
892 0x0fff0000, /* src_mask */
893 0x0fff0000, /* dst_mask */
894 TRUE), /* pcrel_offset */
895 HOWTO (R_C6000_PCR_S10, /* type */
897 2, /* size (0 = byte, 1 = short, 2 = long) */
899 TRUE, /* pc_relative */
901 complain_overflow_signed,/* complain_on_overflow */
902 bfd_elf_generic_reloc, /* special_function */
903 "R_C6000_PCR_S10", /* name */
904 TRUE, /* partial_inplace */
905 0x007fe000, /* src_mask */
906 0x007fe000, /* dst_mask */
907 TRUE), /* pcrel_offset */
908 HOWTO (R_C6000_PCR_S7, /* type */
910 2, /* size (0 = byte, 1 = short, 2 = long) */
912 TRUE, /* pc_relative */
914 complain_overflow_signed,/* complain_on_overflow */
915 bfd_elf_generic_reloc, /* special_function */
916 "R_C6000_PCR_S7", /* name */
917 TRUE, /* partial_inplace */
918 0x007f0000, /* src_mask */
919 0x007f0000, /* dst_mask */
920 TRUE), /* pcrel_offset */
921 HOWTO (R_C6000_ABS_S16, /* type */
923 2, /* size (0 = byte, 1 = short, 2 = long) */
925 FALSE, /* pc_relative */
927 complain_overflow_signed,/* complain_on_overflow */
928 bfd_elf_generic_reloc, /* special_function */
929 "R_C6000_ABS_S16", /* name */
930 TRUE, /* partial_inplace */
931 0x007fff80, /* src_mask */
932 0x007fff80, /* dst_mask */
933 FALSE), /* pcrel_offset */
934 HOWTO (R_C6000_ABS_L16, /* type */
936 2, /* size (0 = byte, 1 = short, 2 = long) */
938 FALSE, /* pc_relative */
940 complain_overflow_dont,/* complain_on_overflow */
941 bfd_elf_generic_reloc, /* special_function */
942 "R_C6000_ABS_L16", /* name */
943 TRUE, /* partial_inplace */
944 0x007fff80, /* src_mask */
945 0x007fff80, /* dst_mask */
946 FALSE), /* pcrel_offset */
947 EMPTY_HOWTO (R_C6000_ABS_H16),
948 HOWTO (R_C6000_SBR_U15_B, /* type */
950 2, /* size (0 = byte, 1 = short, 2 = long) */
952 FALSE, /* pc_relative */
954 complain_overflow_unsigned,/* complain_on_overflow */
955 bfd_elf_generic_reloc, /* special_function */
956 "R_C6000_SBR_U15_B", /* name */
957 TRUE, /* partial_inplace */
958 0x007fff00, /* src_mask */
959 0x007fff00, /* dst_mask */
960 FALSE), /* pcrel_offset */
961 HOWTO (R_C6000_SBR_U15_H, /* type */
963 2, /* size (0 = byte, 1 = short, 2 = long) */
965 FALSE, /* pc_relative */
967 complain_overflow_unsigned,/* complain_on_overflow */
968 bfd_elf_generic_reloc, /* special_function */
969 "R_C6000_SBR_U15_H", /* name */
970 TRUE, /* partial_inplace */
971 0x007fff00, /* src_mask */
972 0x007fff00, /* dst_mask */
973 FALSE), /* pcrel_offset */
974 HOWTO (R_C6000_SBR_U15_W, /* type */
976 2, /* size (0 = byte, 1 = short, 2 = long) */
978 FALSE, /* pc_relative */
980 complain_overflow_unsigned,/* complain_on_overflow */
981 bfd_elf_generic_reloc, /* special_function */
982 "R_C6000_SBR_U15_W", /* name */
983 TRUE, /* partial_inplace */
984 0x007fff00, /* src_mask */
985 0x007fff00, /* dst_mask */
986 FALSE), /* pcrel_offset */
987 HOWTO (R_C6000_SBR_S16, /* type */
989 2, /* size (0 = byte, 1 = short, 2 = long) */
991 FALSE, /* pc_relative */
993 complain_overflow_signed,/* complain_on_overflow */
994 bfd_elf_generic_reloc, /* special_function */
995 "R_C6000_SBR_S16", /* name */
996 TRUE, /* partial_inplace */
997 0x007fff80, /* src_mask */
998 0x007fff80, /* dst_mask */
999 FALSE), /* pcrel_offset */
1000 HOWTO (R_C6000_SBR_L16_B, /* type */
1002 2, /* size (0 = byte, 1 = short, 2 = long) */
1004 FALSE, /* pc_relative */
1006 complain_overflow_dont,/* complain_on_overflow */
1007 bfd_elf_generic_reloc, /* special_function */
1008 "R_C6000_SBR_L16_B", /* name */
1009 TRUE, /* partial_inplace */
1010 0x007fff80, /* src_mask */
1011 0x007fff80, /* dst_mask */
1012 FALSE), /* pcrel_offset */
1013 HOWTO (R_C6000_SBR_L16_H, /* type */
1015 2, /* size (0 = byte, 1 = short, 2 = long) */
1017 FALSE, /* pc_relative */
1019 complain_overflow_dont,/* complain_on_overflow */
1020 bfd_elf_generic_reloc, /* special_function */
1021 "R_C6000_SBR_L16_H", /* name */
1022 TRUE, /* partial_inplace */
1023 0x007fff80, /* src_mask */
1024 0x007fff80, /* dst_mask */
1025 FALSE), /* pcrel_offset */
1026 HOWTO (R_C6000_SBR_L16_W, /* type */
1028 2, /* size (0 = byte, 1 = short, 2 = long) */
1030 FALSE, /* pc_relative */
1032 complain_overflow_dont,/* complain_on_overflow */
1033 bfd_elf_generic_reloc, /* special_function */
1034 "R_C6000_SBR_L16_W", /* name */
1035 TRUE, /* partial_inplace */
1036 0x007fff80, /* src_mask */
1037 0x007fff80, /* dst_mask */
1038 FALSE), /* pcrel_offset */
1039 EMPTY_HOWTO (R_C6000_SBR_H16_B),
1040 EMPTY_HOWTO (R_C6000_SBR_H16_H),
1041 EMPTY_HOWTO (R_C6000_SBR_H16_W),
1042 HOWTO (R_C6000_SBR_GOT_U15_W, /* type */
1044 2, /* size (0 = byte, 1 = short, 2 = long) */
1046 FALSE, /* pc_relative */
1048 complain_overflow_unsigned,/* complain_on_overflow */
1049 bfd_elf_generic_reloc, /* special_function */
1050 "R_C6000_SBR_GOT_U15_W",/* name */
1051 TRUE, /* partial_inplace */
1052 0x007fff00, /* src_mask */
1053 0x007fff00, /* dst_mask */
1054 FALSE), /* pcrel_offset */
1055 HOWTO (R_C6000_SBR_GOT_L16_W, /* type */
1057 2, /* size (0 = byte, 1 = short, 2 = long) */
1059 FALSE, /* pc_relative */
1061 complain_overflow_dont,/* complain_on_overflow */
1062 bfd_elf_generic_reloc, /* special_function */
1063 "R_C6000_SBR_GOT_L16_W",/* name */
1064 TRUE, /* partial_inplace */
1065 0x007fff80, /* src_mask */
1066 0x007fff80, /* dst_mask */
1067 FALSE), /* pcrel_offset */
1068 EMPTY_HOWTO (R_C6000_SBR_GOT_H16_W),
1069 HOWTO (R_C6000_DSBT_INDEX, /* type */
1071 2, /* size (0 = byte, 1 = short, 2 = long) */
1073 FALSE, /* pc_relative */
1075 complain_overflow_unsigned,/* complain_on_overflow */
1076 bfd_elf_generic_reloc, /* special_function */
1077 "R_C6000_DSBT_INDEX", /* name */
1078 TRUE, /* partial_inplace */
1080 0x007fff00, /* dst_mask */
1081 FALSE), /* pcrel_offset */
1082 HOWTO (R_C6000_PREL31, /* type */
1084 2, /* size (0 = byte, 1 = short, 2 = long) */
1086 TRUE, /* pc_relative */
1088 complain_overflow_dont,/* complain_on_overflow */
1089 bfd_elf_generic_reloc, /* special_function */
1090 "R_C6000_PREL31", /* name */
1091 TRUE, /* partial_inplace */
1093 0x7fffffff, /* dst_mask */
1094 TRUE), /* pcrel_offset */
1095 HOWTO (R_C6000_COPY, /* type */
1097 2, /* size (0 = byte, 1 = short, 2 = long) */
1099 FALSE, /* pc_relative */
1101 complain_overflow_dont,/* complain_on_overflow */
1102 bfd_elf_generic_reloc, /* special_function */
1103 "R_C6000_COPY", /* name */
1104 TRUE, /* partial_inplace */
1106 0xffffffff, /* dst_mask */
1107 FALSE), /* pcrel_offset */
1108 HOWTO (R_C6000_JUMP_SLOT, /* type */
1110 2, /* size (0 = byte, 1 = short, 2 = long) */
1112 FALSE, /* pc_relative */
1114 complain_overflow_dont,/* complain_on_overflow */
1115 bfd_elf_generic_reloc, /* special_function */
1116 "R_C6000_JUMP_SLOT", /* name */
1117 FALSE, /* partial_inplace */
1119 0xffffffff, /* dst_mask */
1120 FALSE), /* pcrel_offset */
1121 HOWTO (R_C6000_EHTYPE, /* type */
1123 2, /* size (0 = byte, 1 = short, 2 = long) */
1125 FALSE, /* pc_relative */
1127 complain_overflow_dont,/* complain_on_overflow */
1128 bfd_elf_generic_reloc, /* special_function */
1129 "R_C6000_EHTYPE", /* name */
1130 FALSE, /* partial_inplace */
1132 0xffffffff, /* dst_mask */
1133 FALSE), /* pcrel_offset */
1134 EMPTY_HOWTO (R_C6000_PCR_H16),
1135 EMPTY_HOWTO (R_C6000_PCR_L16),
1358 HOWTO (R_C6000_ALIGN, /* type */
1360 0, /* size (0 = byte, 1 = short, 2 = long) */
1362 FALSE, /* pc_relative */
1364 complain_overflow_dont,/* complain_on_overflow */
1365 bfd_elf_generic_reloc, /* special_function */
1366 "R_C6000_ALIGN", /* name */
1367 TRUE, /* partial_inplace */
1370 FALSE), /* pcrel_offset */
1371 HOWTO (R_C6000_FPHEAD, /* type */
1373 0, /* size (0 = byte, 1 = short, 2 = long) */
1375 FALSE, /* pc_relative */
1377 complain_overflow_dont,/* complain_on_overflow */
1378 bfd_elf_generic_reloc, /* special_function */
1379 "R_C6000_FPHEAD", /* name */
1380 TRUE, /* partial_inplace */
1383 FALSE), /* pcrel_offset */
1384 HOWTO (R_C6000_NOCMP, /* type */
1386 0, /* size (0 = byte, 1 = short, 2 = long) */
1388 FALSE, /* pc_relative */
1390 complain_overflow_dont,/* complain_on_overflow */
1391 bfd_elf_generic_reloc, /* special_function */
1392 "R_C6000_NOCMP", /* name */
1393 TRUE, /* partial_inplace */
1396 FALSE) /* pcrel_offset */
1399 /* Map BFD relocations to ELF relocations. */
1403 bfd_reloc_code_real_type bfd_reloc_val;
1404 enum elf_tic6x_reloc_type elf_reloc_val;
1407 static const tic6x_reloc_map elf32_tic6x_reloc_map[] =
1409 { BFD_RELOC_NONE, R_C6000_NONE },
1410 { BFD_RELOC_32, R_C6000_ABS32 },
1411 { BFD_RELOC_16, R_C6000_ABS16 },
1412 { BFD_RELOC_8, R_C6000_ABS8 },
1413 { BFD_RELOC_C6000_PCR_S21, R_C6000_PCR_S21 },
1414 { BFD_RELOC_C6000_PCR_S12, R_C6000_PCR_S12 },
1415 { BFD_RELOC_C6000_PCR_S10, R_C6000_PCR_S10 },
1416 { BFD_RELOC_C6000_PCR_S7, R_C6000_PCR_S7 },
1417 { BFD_RELOC_C6000_ABS_S16, R_C6000_ABS_S16 },
1418 { BFD_RELOC_C6000_ABS_L16, R_C6000_ABS_L16 },
1419 { BFD_RELOC_C6000_ABS_H16, R_C6000_ABS_H16 },
1420 { BFD_RELOC_C6000_SBR_U15_B, R_C6000_SBR_U15_B },
1421 { BFD_RELOC_C6000_SBR_U15_H, R_C6000_SBR_U15_H },
1422 { BFD_RELOC_C6000_SBR_U15_W, R_C6000_SBR_U15_W },
1423 { BFD_RELOC_C6000_SBR_S16, R_C6000_SBR_S16 },
1424 { BFD_RELOC_C6000_SBR_L16_B, R_C6000_SBR_L16_B },
1425 { BFD_RELOC_C6000_SBR_L16_H, R_C6000_SBR_L16_H },
1426 { BFD_RELOC_C6000_SBR_L16_W, R_C6000_SBR_L16_W },
1427 { BFD_RELOC_C6000_SBR_H16_B, R_C6000_SBR_H16_B },
1428 { BFD_RELOC_C6000_SBR_H16_H, R_C6000_SBR_H16_H },
1429 { BFD_RELOC_C6000_SBR_H16_W, R_C6000_SBR_H16_W },
1430 { BFD_RELOC_C6000_SBR_GOT_U15_W, R_C6000_SBR_GOT_U15_W },
1431 { BFD_RELOC_C6000_SBR_GOT_L16_W, R_C6000_SBR_GOT_L16_W },
1432 { BFD_RELOC_C6000_SBR_GOT_H16_W, R_C6000_SBR_GOT_H16_W },
1433 { BFD_RELOC_C6000_DSBT_INDEX, R_C6000_DSBT_INDEX },
1434 { BFD_RELOC_C6000_PREL31, R_C6000_PREL31 },
1435 { BFD_RELOC_C6000_COPY, R_C6000_COPY },
1436 { BFD_RELOC_C6000_JUMP_SLOT, R_C6000_JUMP_SLOT },
1437 { BFD_RELOC_C6000_EHTYPE, R_C6000_EHTYPE },
1438 { BFD_RELOC_C6000_PCR_H16, R_C6000_PCR_H16 },
1439 { BFD_RELOC_C6000_PCR_L16, R_C6000_PCR_L16 },
1440 { BFD_RELOC_C6000_ALIGN, R_C6000_ALIGN },
1441 { BFD_RELOC_C6000_FPHEAD, R_C6000_FPHEAD },
1442 { BFD_RELOC_C6000_NOCMP, R_C6000_NOCMP }
1445 static reloc_howto_type *
1446 elf32_tic6x_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code)
1450 for (i = 0; i < ARRAY_SIZE (elf32_tic6x_reloc_map); i++)
1451 if (elf32_tic6x_reloc_map[i].bfd_reloc_val == code)
1453 enum elf_tic6x_reloc_type elf_reloc_val;
1454 reloc_howto_type *howto;
1456 elf_reloc_val = elf32_tic6x_reloc_map[i].elf_reloc_val;
1457 if (elf32_tic6x_tdata (abfd)->use_rela_p)
1458 howto = &elf32_tic6x_howto_table[elf_reloc_val];
1460 howto = &elf32_tic6x_howto_table_rel[elf_reloc_val];
1462 /* Some relocations are RELA-only; do not return them for
1464 if (howto->name == NULL)
1473 static reloc_howto_type *
1474 elf32_tic6x_reloc_name_lookup (bfd *abfd, const char *r_name)
1476 if (elf32_tic6x_tdata (abfd)->use_rela_p)
1480 for (i = 0; i < ARRAY_SIZE (elf32_tic6x_howto_table); i++)
1481 if (elf32_tic6x_howto_table[i].name != NULL
1482 && strcasecmp (elf32_tic6x_howto_table[i].name, r_name) == 0)
1483 return &elf32_tic6x_howto_table[i];
1489 for (i = 0; i < ARRAY_SIZE (elf32_tic6x_howto_table_rel); i++)
1490 if (elf32_tic6x_howto_table_rel[i].name != NULL
1491 && strcasecmp (elf32_tic6x_howto_table_rel[i].name, r_name) == 0)
1492 return &elf32_tic6x_howto_table_rel[i];
1499 elf32_tic6x_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *bfd_reloc,
1500 Elf_Internal_Rela *elf_reloc)
1502 unsigned int r_type;
1504 r_type = ELF32_R_TYPE (elf_reloc->r_info);
1505 if (r_type >= ARRAY_SIZE (elf32_tic6x_howto_table))
1506 bfd_reloc->howto = NULL;
1508 bfd_reloc->howto = &elf32_tic6x_howto_table[r_type];
1512 elf32_tic6x_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED, arelent *bfd_reloc,
1513 Elf_Internal_Rela *elf_reloc)
1515 unsigned int r_type;
1517 r_type = ELF32_R_TYPE (elf_reloc->r_info);
1518 if (r_type >= ARRAY_SIZE (elf32_tic6x_howto_table_rel))
1519 bfd_reloc->howto = NULL;
1521 bfd_reloc->howto = &elf32_tic6x_howto_table_rel[r_type];
1525 elf32_tic6x_set_use_rela_p (bfd *abfd, bfd_boolean use_rela_p)
1527 elf32_tic6x_tdata (abfd)->use_rela_p = use_rela_p;
1530 /* Create an entry in a C6X ELF linker hash table. */
1532 static struct bfd_hash_entry *
1533 elf32_tic6x_link_hash_newfunc (struct bfd_hash_entry *entry,
1534 struct bfd_hash_table *table,
1537 /* Allocate the structure if it has not already been allocated by a
1541 entry = bfd_hash_allocate (table,
1542 sizeof (struct elf32_tic6x_link_hash_entry));
1547 /* Call the allocation method of the superclass. */
1548 entry = _bfd_elf_link_hash_newfunc (entry, table, string);
1551 struct elf32_tic6x_link_hash_entry *eh;
1553 eh = (struct elf32_tic6x_link_hash_entry *) entry;
1554 eh->dyn_relocs = NULL;
1560 /* Create a C6X ELF linker hash table. */
1562 static struct bfd_link_hash_table *
1563 elf32_tic6x_link_hash_table_create (bfd *abfd)
1565 struct elf32_tic6x_link_hash_table *ret;
1566 bfd_size_type amt = sizeof (struct elf32_tic6x_link_hash_table);
1568 ret = bfd_zmalloc (amt);
1572 if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd,
1573 elf32_tic6x_link_hash_newfunc,
1574 sizeof (struct elf32_tic6x_link_hash_entry),
1582 ret->elf.is_relocatable_executable = 1;
1584 return &ret->elf.root;
1588 elf32_tic6x_final_link (bfd *abfd, struct bfd_link_info *info)
1590 if (bfd_link_pic (info))
1592 obj_attribute *out_attr;
1593 out_attr = elf_known_obj_attributes_proc (abfd);
1594 if (out_attr[Tag_ABI_PIC].i == 0)
1596 _bfd_error_handler (_("warning: generating a shared library "
1597 "containing non-PIC code"));
1599 if (out_attr[Tag_ABI_PID].i == 0)
1601 _bfd_error_handler (_("warning: generating a shared library "
1602 "containing non-PID code"));
1605 /* Invoke the regular ELF backend linker to do all the work. */
1606 if (!bfd_elf_final_link (abfd, info))
1612 /* Called to pass PARAMS to the backend. We store them in the hash table
1613 associated with INFO. */
1616 elf32_tic6x_setup (struct bfd_link_info *info,
1617 struct elf32_tic6x_params *params)
1619 struct elf32_tic6x_link_hash_table *htab = elf32_tic6x_hash_table (info);
1620 htab->params = *params;
1623 /* Determine if we're dealing with a DSBT object. */
1626 elf32_tic6x_using_dsbt (bfd *abfd)
1628 return bfd_elf_get_obj_attr_int (abfd, OBJ_ATTR_PROC,
1632 /* Create .plt, .rela.plt, .got, .got.plt, .rela.got and .dsbt
1633 sections in DYNOBJ, and set up shortcuts to them in our hash
1637 elf32_tic6x_create_dynamic_sections (bfd *dynobj, struct bfd_link_info *info)
1639 struct elf32_tic6x_link_hash_table *htab;
1642 htab = elf32_tic6x_hash_table (info);
1646 if (!_bfd_elf_create_dynamic_sections (dynobj, info))
1650 flags = (SEC_ALLOC | SEC_LOAD
1651 | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_LINKER_CREATED);
1652 htab->dsbt = bfd_make_section_anyway_with_flags (dynobj, ".dsbt",
1654 if (htab->dsbt == NULL
1655 || ! bfd_set_section_alignment (dynobj, htab->dsbt, 2)
1656 || ! bfd_set_section_alignment (dynobj, htab->elf.splt, 5))
1663 elf32_tic6x_mkobject (bfd *abfd)
1667 ret = bfd_elf_allocate_object (abfd, sizeof (struct elf32_tic6x_obj_tdata),
1670 elf32_tic6x_set_use_rela_p (abfd, TRUE);
1674 /* Install relocation RELA into section SRELA, incrementing its
1678 elf32_tic6x_install_rela (bfd *output_bfd, asection *srela,
1679 Elf_Internal_Rela *rela)
1682 bfd_vma off = srela->reloc_count++ * sizeof (Elf32_External_Rela);
1683 loc = srela->contents + off;
1684 BFD_ASSERT (off < srela->size);
1685 bfd_elf32_swap_reloca_out (output_bfd, rela, loc);
1688 /* Create a dynamic reloc against the GOT at offset OFFSET. The contents
1689 of the GOT at this offset have been initialized with the relocation. */
1692 elf32_tic6x_make_got_dynreloc (bfd *output_bfd,
1693 struct elf32_tic6x_link_hash_table *htab,
1694 asection *sym_sec, bfd_vma offset)
1696 asection *sgot = htab->elf.sgot;
1697 Elf_Internal_Rela outrel;
1700 outrel.r_offset = sgot->output_section->vma + sgot->output_offset + offset;
1701 outrel.r_addend = bfd_get_32 (output_bfd, sgot->contents + offset);
1702 if (sym_sec && sym_sec->output_section
1703 && ! bfd_is_abs_section (sym_sec->output_section)
1704 && ! bfd_is_und_section (sym_sec->output_section))
1706 dynindx = elf_section_data (sym_sec->output_section)->dynindx;
1707 outrel.r_addend -= sym_sec->output_section->vma;
1713 outrel.r_info = ELF32_R_INFO (dynindx, R_C6000_ABS32);
1714 elf32_tic6x_install_rela (output_bfd, htab->elf.srelgot, &outrel);
1717 /* Finish up dynamic symbol handling. We set the contents of various
1718 dynamic sections here. */
1721 elf32_tic6x_finish_dynamic_symbol (bfd * output_bfd,
1722 struct bfd_link_info *info,
1723 struct elf_link_hash_entry *h,
1724 Elf_Internal_Sym * sym)
1726 struct elf32_tic6x_link_hash_table *htab;
1728 htab = elf32_tic6x_hash_table (info);
1730 if (h->plt.offset != (bfd_vma) -1)
1733 bfd_vma got_section_offset, got_dp_offset, rela_offset;
1734 Elf_Internal_Rela rela;
1736 asection *plt, *gotplt, *relplt;
1737 const struct elf_backend_data *bed;
1739 bed = get_elf_backend_data (output_bfd);
1741 BFD_ASSERT (htab->elf.splt != NULL);
1742 plt = htab->elf.splt;
1743 gotplt = htab->elf.sgotplt;
1744 relplt = htab->elf.srelplt;
1746 /* This symbol has an entry in the procedure linkage table. Set
1749 if ((h->dynindx == -1
1750 && !((h->forced_local || bfd_link_executable (info))
1752 && h->type == STT_GNU_IFUNC))
1758 /* Get the index in the procedure linkage table which
1759 corresponds to this symbol. This is the index of this symbol
1760 in all the symbols for which we are making plt entries. The
1761 first entry in the procedure linkage table is reserved.
1763 Get the offset into the .got table of the entry that
1764 corresponds to this function. Each .got entry is 4 bytes.
1765 The first three are reserved.
1767 For static executables, we don't reserve anything. */
1769 plt_index = h->plt.offset / PLT_ENTRY_SIZE - 1;
1770 got_section_offset = plt_index + bed->got_header_size / 4;
1771 got_dp_offset = got_section_offset + htab->params.dsbt_size;
1772 rela_offset = plt_index * sizeof (Elf32_External_Rela);
1774 got_section_offset *= 4;
1776 /* Fill in the entry in the procedure linkage table. */
1778 /* ldw .d2t2 *+B14($GOT(f)), b2 */
1779 bfd_put_32 (output_bfd, got_dp_offset << 8 | 0x0100006e,
1780 plt->contents + h->plt.offset);
1781 /* mvk .s2 low(rela_offset), b0 */
1782 bfd_put_32 (output_bfd, (rela_offset & 0xffff) << 7 | 0x0000002a,
1783 plt->contents + h->plt.offset + 4);
1784 /* mvkh .s2 high(rela_offset), b0 */
1785 bfd_put_32 (output_bfd, ((rela_offset >> 16) & 0xffff) << 7 | 0x0000006a,
1786 plt->contents + h->plt.offset + 8);
1788 bfd_put_32 (output_bfd, 0x00002000,
1789 plt->contents + h->plt.offset + 12);
1791 bfd_put_32 (output_bfd, 0x00080362,
1792 plt->contents + h->plt.offset + 16);
1794 bfd_put_32 (output_bfd, 0x00008000,
1795 plt->contents + h->plt.offset + 20);
1797 /* Fill in the entry in the global offset table. */
1798 bfd_put_32 (output_bfd,
1799 (plt->output_section->vma + plt->output_offset),
1800 gotplt->contents + got_section_offset);
1802 /* Fill in the entry in the .rel.plt section. */
1803 rela.r_offset = (gotplt->output_section->vma
1804 + gotplt->output_offset
1805 + got_section_offset);
1806 rela.r_info = ELF32_R_INFO (h->dynindx, R_C6000_JUMP_SLOT);
1808 loc = relplt->contents + rela_offset;
1809 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
1811 if (!h->def_regular)
1813 /* Mark the symbol as undefined, rather than as defined in
1814 the .plt section. */
1815 sym->st_shndx = SHN_UNDEF;
1820 if (h->got.offset != (bfd_vma) -1)
1825 /* This symbol has an entry in the global offset table.
1828 sgot = htab->elf.sgot;
1829 srela = htab->elf.srelgot;
1830 BFD_ASSERT (sgot != NULL && srela != NULL);
1832 /* If this is a -Bsymbolic link, and the symbol is defined
1833 locally, we just want to emit a RELATIVE reloc. Likewise if
1834 the symbol was forced to be local because of a version file.
1835 The entry in the global offset table will already have been
1836 initialized in the relocate_section function. */
1837 if (bfd_link_pic (info)
1838 && (SYMBOLIC_BIND (info, h)
1839 || h->dynindx == -1 || h->forced_local) && h->def_regular)
1841 asection *s = h->root.u.def.section;
1842 elf32_tic6x_make_got_dynreloc (output_bfd, htab, s,
1843 h->got.offset & ~(bfd_vma) 1);
1847 Elf_Internal_Rela outrel;
1848 bfd_put_32 (output_bfd, (bfd_vma) 0,
1849 sgot->contents + (h->got.offset & ~(bfd_vma) 1));
1850 outrel.r_offset = (sgot->output_section->vma
1851 + sgot->output_offset
1852 + (h->got.offset & ~(bfd_vma) 1));
1853 outrel.r_info = ELF32_R_INFO (h->dynindx, R_C6000_ABS32);
1854 outrel.r_addend = 0;
1856 elf32_tic6x_install_rela (output_bfd, srela, &outrel);
1862 Elf_Internal_Rela rel;
1865 /* This symbol needs a copy reloc. Set it up. */
1867 if (h->dynindx == -1
1868 || (h->root.type != bfd_link_hash_defined
1869 && h->root.type != bfd_link_hash_defweak)
1870 || htab->elf.srelbss == NULL
1871 || htab->elf.sreldynrelro == NULL)
1874 rel.r_offset = (h->root.u.def.value
1875 + h->root.u.def.section->output_section->vma
1876 + h->root.u.def.section->output_offset);
1877 rel.r_info = ELF32_R_INFO (h->dynindx, R_C6000_COPY);
1879 if ((h->root.u.def.section->flags & SEC_READONLY) != 0)
1880 s = htab->elf.sreldynrelro;
1882 s = htab->elf.srelbss;
1884 elf32_tic6x_install_rela (output_bfd, s, &rel);
1887 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */
1888 if (h == elf_hash_table (info)->hdynamic
1889 || h == elf_hash_table (info)->hgot)
1890 sym->st_shndx = SHN_ABS;
1895 /* Unwinding tables are not referenced directly. This pass marks them as
1896 required if the corresponding code section is marked. */
1899 elf32_tic6x_gc_mark_extra_sections (struct bfd_link_info *info,
1900 elf_gc_mark_hook_fn gc_mark_hook)
1903 Elf_Internal_Shdr **elf_shdrp;
1906 _bfd_elf_gc_mark_extra_sections (info, gc_mark_hook);
1908 /* Marking EH data may cause additional code sections to be marked,
1909 requiring multiple passes. */
1914 for (sub = info->input_bfds; sub != NULL; sub = sub->link.next)
1918 if (! is_tic6x_elf (sub))
1921 elf_shdrp = elf_elfsections (sub);
1922 for (o = sub->sections; o != NULL; o = o->next)
1924 Elf_Internal_Shdr *hdr;
1926 hdr = &elf_section_data (o)->this_hdr;
1927 if (hdr->sh_type == SHT_C6000_UNWIND
1929 && hdr->sh_link < elf_numsections (sub)
1931 && elf_shdrp[hdr->sh_link]->bfd_section->gc_mark)
1934 if (!_bfd_elf_gc_mark (info, o, gc_mark_hook))
1944 /* Return TRUE if this is an unwinding table index. */
1947 is_tic6x_elf_unwind_section_name (const char *name)
1949 return (CONST_STRNEQ (name, ELF_STRING_C6000_unwind)
1950 || CONST_STRNEQ (name, ELF_STRING_C6000_unwind_once));
1954 /* Set the type and flags for an unwinding index table. We do this by
1955 the section name, which is a hack, but ought to work. */
1958 elf32_tic6x_fake_sections (bfd *abfd ATTRIBUTE_UNUSED,
1959 Elf_Internal_Shdr *hdr, asection *sec)
1963 name = bfd_get_section_name (abfd, sec);
1965 if (is_tic6x_elf_unwind_section_name (name))
1967 hdr->sh_type = SHT_C6000_UNWIND;
1968 hdr->sh_flags |= SHF_LINK_ORDER;
1974 /* Update the got entry reference counts for the section being removed. */
1977 elf32_tic6x_gc_sweep_hook (bfd *abfd,
1978 struct bfd_link_info *info,
1980 const Elf_Internal_Rela *relocs)
1982 struct elf32_tic6x_link_hash_table *htab;
1983 Elf_Internal_Shdr *symtab_hdr;
1984 struct elf_link_hash_entry **sym_hashes;
1985 bfd_signed_vma *local_got_refcounts;
1986 const Elf_Internal_Rela *rel, *relend;
1988 if (bfd_link_relocatable (info))
1991 htab = elf32_tic6x_hash_table (info);
1995 elf_section_data (sec)->local_dynrel = NULL;
1997 symtab_hdr = &elf_symtab_hdr (abfd);
1998 sym_hashes = elf_sym_hashes (abfd);
1999 local_got_refcounts = elf_local_got_refcounts (abfd);
2001 relend = relocs + sec->reloc_count;
2002 for (rel = relocs; rel < relend; rel++)
2004 unsigned long r_symndx;
2005 unsigned int r_type;
2006 struct elf_link_hash_entry *h = NULL;
2008 r_symndx = ELF32_R_SYM (rel->r_info);
2009 if (r_symndx >= symtab_hdr->sh_info)
2011 struct elf32_tic6x_link_hash_entry *eh;
2012 struct elf_dyn_relocs **pp;
2013 struct elf_dyn_relocs *p;
2015 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
2016 while (h->root.type == bfd_link_hash_indirect
2017 || h->root.type == bfd_link_hash_warning)
2018 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2019 eh = (struct elf32_tic6x_link_hash_entry *) h;
2021 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
2024 /* Everything must go for SEC. */
2030 r_type = ELF32_R_TYPE (rel->r_info);
2034 case R_C6000_SBR_GOT_U15_W:
2035 case R_C6000_SBR_GOT_L16_W:
2036 case R_C6000_SBR_GOT_H16_W:
2037 case R_C6000_EHTYPE:
2040 if (h->got.refcount > 0)
2041 h->got.refcount -= 1;
2043 else if (local_got_refcounts != NULL)
2045 if (local_got_refcounts[r_symndx] > 0)
2046 local_got_refcounts[r_symndx] -= 1;
2058 /* Adjust a symbol defined by a dynamic object and referenced by a
2059 regular object. The current definition is in some section of the
2060 dynamic object, but we're not including those sections. We have to
2061 change the definition to something the rest of the link can
2065 elf32_tic6x_adjust_dynamic_symbol (struct bfd_link_info *info,
2066 struct elf_link_hash_entry *h)
2068 struct elf32_tic6x_link_hash_table *htab;
2072 dynobj = elf_hash_table (info)->dynobj;
2074 /* Make sure we know what is going on here. */
2075 BFD_ASSERT (dynobj != NULL
2077 || h->u.weakdef != NULL
2078 || (h->def_dynamic && h->ref_regular && !h->def_regular)));
2080 /* If this is a function, put it in the procedure linkage table. We
2081 will fill in the contents of the procedure linkage table later,
2082 when we know the address of the .got section. */
2083 if (h->type == STT_FUNC
2086 if (h->plt.refcount <= 0
2087 || SYMBOL_CALLS_LOCAL (info, h)
2088 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2089 && h->root.type == bfd_link_hash_undefweak))
2091 /* This case can occur if we saw a PLT32 reloc in an input
2092 file, but the symbol was never referred to by a dynamic
2093 object, or if all references were garbage collected. In
2094 such a case, we don't actually need to build a procedure
2095 linkage table, and we can just do a PC32 reloc instead. */
2096 h->plt.offset = (bfd_vma) -1;
2103 /* If this is a weak symbol, and there is a real definition, the
2104 processor independent code will have arranged for us to see the
2105 real definition first, and we can just use the same value. */
2106 if (h->u.weakdef != NULL)
2108 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
2109 || h->u.weakdef->root.type == bfd_link_hash_defweak);
2110 h->root.u.def.section = h->u.weakdef->root.u.def.section;
2111 h->root.u.def.value = h->u.weakdef->root.u.def.value;
2112 h->non_got_ref = h->u.weakdef->non_got_ref;
2116 /* This is a reference to a symbol defined by a dynamic object which
2117 is not a function. */
2119 /* If we are creating a shared library, we must presume that the
2120 only references to the symbol are via the global offset table.
2121 For such cases we need not do anything here; the relocations will
2122 be handled correctly by relocate_section. */
2123 if (bfd_link_pic (info))
2126 /* If there are no references to this symbol that do not use the
2127 GOT, we don't need to generate a copy reloc. */
2128 if (!h->non_got_ref)
2131 /* If -z nocopyreloc was given, we won't generate them either. */
2132 if (info->nocopyreloc)
2138 htab = elf32_tic6x_hash_table (info);
2142 /* We must allocate the symbol in our .dynbss section, which will
2143 become part of the .bss section of the executable. There will be
2144 an entry for this symbol in the .dynsym section. The dynamic
2145 object will contain position independent code, so all references
2146 from the dynamic object to this symbol will go through the global
2147 offset table. The dynamic linker will use the .dynsym entry to
2148 determine the address it must put in the global offset table, so
2149 both the dynamic object and the regular object will refer to the
2150 same memory location for the variable. */
2152 /* We must generate a R_C6000_COPY reloc to tell the dynamic linker to
2153 copy the initial value out of the dynamic object and into the
2154 runtime process image. */
2155 if ((h->root.u.def.section->flags & SEC_READONLY) != 0)
2157 s = htab->elf.sdynrelro;
2158 srel = htab->elf.sreldynrelro;
2162 s = htab->elf.sdynbss;
2163 srel = htab->elf.srelbss;
2165 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
2167 srel->size += sizeof (Elf32_External_Rela);
2171 return _bfd_elf_adjust_dynamic_copy (info, h, s);
2175 elf32_tic6x_new_section_hook (bfd *abfd, asection *sec)
2179 /* Allocate target specific section data. */
2180 if (!sec->used_by_bfd)
2182 _tic6x_elf_section_data *sdata;
2183 bfd_size_type amt = sizeof (*sdata);
2185 sdata = (_tic6x_elf_section_data *) bfd_zalloc (abfd, amt);
2188 sec->used_by_bfd = sdata;
2191 ret = _bfd_elf_new_section_hook (abfd, sec);
2192 sec->use_rela_p = elf32_tic6x_tdata (abfd)->use_rela_p;
2197 /* Return true if relocation REL against section SEC is a REL rather
2198 than RELA relocation. RELOCS is the first relocation in the
2199 section and ABFD is the bfd that contains SEC. */
2202 elf32_tic6x_rel_relocation_p (bfd *abfd, asection *sec,
2203 const Elf_Internal_Rela *relocs,
2204 const Elf_Internal_Rela *rel)
2206 Elf_Internal_Shdr *rel_hdr;
2207 const struct elf_backend_data *bed;
2209 /* To determine which flavor of relocation this is, we depend on the
2210 fact that the INPUT_SECTION's REL_HDR is read before RELA_HDR. */
2211 rel_hdr = elf_section_data (sec)->rel.hdr;
2212 if (rel_hdr == NULL)
2214 bed = get_elf_backend_data (abfd);
2215 return ((size_t) (rel - relocs)
2216 < NUM_SHDR_ENTRIES (rel_hdr) * bed->s->int_rels_per_ext_rel);
2219 /* We need dynamic symbols for every section, since segments can
2220 relocate independently. */
2222 elf32_tic6x_link_omit_section_dynsym (bfd *output_bfd ATTRIBUTE_UNUSED,
2223 struct bfd_link_info *info ATTRIBUTE_UNUSED,
2226 switch (elf_section_data (p)->this_hdr.sh_type)
2230 /* If sh_type is yet undecided, assume it could be
2231 SHT_PROGBITS/SHT_NOBITS. */
2235 /* There shouldn't be section relative relocations
2236 against any other section. */
2243 elf32_tic6x_relocate_section (bfd *output_bfd,
2244 struct bfd_link_info *info,
2246 asection *input_section,
2248 Elf_Internal_Rela *relocs,
2249 Elf_Internal_Sym *local_syms,
2250 asection **local_sections)
2252 struct elf32_tic6x_link_hash_table *htab;
2253 Elf_Internal_Shdr *symtab_hdr;
2254 struct elf_link_hash_entry **sym_hashes;
2255 bfd_vma *local_got_offsets;
2256 Elf_Internal_Rela *rel;
2257 Elf_Internal_Rela *relend;
2258 bfd_boolean ok = TRUE;
2260 htab = elf32_tic6x_hash_table (info);
2261 symtab_hdr = & elf_symtab_hdr (input_bfd);
2262 sym_hashes = elf_sym_hashes (input_bfd);
2263 local_got_offsets = elf_local_got_offsets (input_bfd);
2265 relend = relocs + input_section->reloc_count;
2267 for (rel = relocs; rel < relend; rel ++)
2270 unsigned long r_symndx;
2272 reloc_howto_type *howto;
2273 Elf_Internal_Sym *sym;
2275 struct elf_link_hash_entry *h;
2276 bfd_vma off, off2, relocation;
2277 bfd_boolean unresolved_reloc;
2278 bfd_reloc_status_type r;
2279 struct bfd_link_hash_entry *sbh;
2282 r_type = ELF32_R_TYPE (rel->r_info);
2283 r_symndx = ELF32_R_SYM (rel->r_info);
2285 is_rel = elf32_tic6x_rel_relocation_p (input_bfd, input_section,
2289 elf32_tic6x_info_to_howto_rel (input_bfd, &bfd_reloc, rel);
2291 elf32_tic6x_info_to_howto (input_bfd, &bfd_reloc, rel);
2292 howto = bfd_reloc.howto;
2295 bfd_set_error (bfd_error_bad_value);
2302 unresolved_reloc = FALSE;
2304 if (r_symndx < symtab_hdr->sh_info)
2306 sym = local_syms + r_symndx;
2307 sec = local_sections[r_symndx];
2308 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
2312 bfd_boolean warned, ignored;
2314 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
2315 r_symndx, symtab_hdr, sym_hashes,
2317 unresolved_reloc, warned, ignored);
2320 if (sec != NULL && discarded_section (sec))
2321 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
2322 rel, 1, relend, howto, 0, contents);
2324 if (bfd_link_relocatable (info))
2328 && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
2331 relocation = sec->output_offset + sym->st_value;
2332 r = _bfd_relocate_contents (howto, input_bfd, relocation,
2333 contents + rel->r_offset);
2343 case R_C6000_FPHEAD:
2345 /* No action needed. */
2348 case R_C6000_PCR_S21:
2349 /* A branch to an undefined weak symbol is turned into a
2350 "b .s2 B3" instruction if the existing insn is of the
2351 form "b .s2 symbol". */
2352 if (h ? h->root.type == bfd_link_hash_undefweak
2353 && (htab->elf.splt == NULL || h->plt.offset == (bfd_vma) -1)
2354 : r_symndx != STN_UNDEF && bfd_is_und_section (sec))
2356 unsigned long oldval;
2357 oldval = bfd_get_32 (input_bfd, contents + rel->r_offset);
2359 if ((oldval & 0x7e) == 0x12)
2361 oldval &= 0xF0000001;
2362 bfd_put_32 (input_bfd, oldval | 0x000c0362,
2363 contents + rel->r_offset);
2370 case R_C6000_PCR_S12:
2371 case R_C6000_PCR_S10:
2372 case R_C6000_PCR_S7:
2374 && h->plt.offset != (bfd_vma) -1
2375 && htab->elf.splt != NULL)
2377 relocation = (htab->elf.splt->output_section->vma
2378 + htab->elf.splt->output_offset
2382 /* Generic PC-relative handling produces a value relative to
2383 the exact location of the relocation. Adjust it to be
2384 relative to the start of the fetch packet instead. */
2385 relocation += (input_section->output_section->vma
2386 + input_section->output_offset
2387 + rel->r_offset) & 0x1f;
2388 unresolved_reloc = FALSE;
2391 case R_C6000_PCR_H16:
2392 case R_C6000_PCR_L16:
2393 off = (input_section->output_section->vma
2394 + input_section->output_offset
2396 /* These must be calculated as R = S - FP(FP(PC) - A).
2397 PC, here, is the value we just computed in OFF. RELOCATION
2398 has the address of S + A. */
2399 relocation -= rel->r_addend;
2400 off2 = ((off & ~(bfd_vma)0x1f) - rel->r_addend) & (bfd_vma)~0x1f;
2401 off2 = relocation - off2;
2402 relocation = off + off2;
2405 case R_C6000_DSBT_INDEX:
2406 relocation = elf32_tic6x_hash_table (info)->params.dsbt_index;
2407 if (!bfd_link_pic (info) || relocation != 0)
2414 case R_C6000_ABS_S16:
2415 case R_C6000_ABS_L16:
2416 case R_C6000_ABS_H16:
2417 /* When generating a shared object or relocatable executable, these
2418 relocations are copied into the output file to be resolved at
2420 if ((bfd_link_pic (info) || elf32_tic6x_using_dsbt (output_bfd))
2421 && (input_section->flags & SEC_ALLOC)
2423 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2424 || h->root.type != bfd_link_hash_undefweak))
2426 Elf_Internal_Rela outrel;
2427 bfd_boolean skip, relocate;
2430 unresolved_reloc = FALSE;
2432 sreloc = elf_section_data (input_section)->sreloc;
2433 BFD_ASSERT (sreloc != NULL && sreloc->contents != NULL);
2439 _bfd_elf_section_offset (output_bfd, info, input_section,
2441 if (outrel.r_offset == (bfd_vma) -1)
2443 else if (outrel.r_offset == (bfd_vma) -2)
2444 skip = TRUE, relocate = TRUE;
2445 outrel.r_offset += (input_section->output_section->vma
2446 + input_section->output_offset);
2449 memset (&outrel, 0, sizeof outrel);
2452 && (!bfd_link_pic (info)
2453 || !SYMBOLIC_BIND (info, h)
2454 || !h->def_regular))
2456 outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
2457 outrel.r_addend = rel->r_addend;
2463 outrel.r_addend = relocation + rel->r_addend;
2465 if (bfd_is_abs_section (sec))
2467 else if (sec == NULL || sec->owner == NULL)
2469 bfd_set_error (bfd_error_bad_value);
2476 osec = sec->output_section;
2477 indx = elf_section_data (osec)->dynindx;
2478 outrel.r_addend -= osec->vma;
2479 BFD_ASSERT (indx != 0);
2482 outrel.r_info = ELF32_R_INFO (indx, r_type);
2485 elf32_tic6x_install_rela (output_bfd, sreloc, &outrel);
2487 /* If this reloc is against an external symbol, we do not want to
2488 fiddle with the addend. Otherwise, we need to include the symbol
2489 value so that it becomes an addend for the dynamic reloc. */
2494 /* Generic logic OK. */
2497 case R_C6000_SBR_U15_B:
2498 case R_C6000_SBR_U15_H:
2499 case R_C6000_SBR_U15_W:
2500 case R_C6000_SBR_S16:
2501 case R_C6000_SBR_L16_B:
2502 case R_C6000_SBR_L16_H:
2503 case R_C6000_SBR_L16_W:
2504 case R_C6000_SBR_H16_B:
2505 case R_C6000_SBR_H16_H:
2506 case R_C6000_SBR_H16_W:
2507 sbh = bfd_link_hash_lookup (info->hash, "__c6xabi_DSBT_BASE",
2508 FALSE, FALSE, TRUE);
2510 && (sbh->type == bfd_link_hash_defined
2511 || sbh->type == bfd_link_hash_defweak))
2513 if (h ? (h->root.type == bfd_link_hash_undefweak
2514 && (htab->elf.splt == NULL
2515 || h->plt.offset == (bfd_vma) -1))
2516 : r_symndx != STN_UNDEF && bfd_is_und_section (sec))
2519 relocation -= (sbh->u.def.value
2520 + sbh->u.def.section->output_section->vma
2521 + sbh->u.def.section->output_offset);
2525 _bfd_error_handler (_("%B: SB-relative relocation but "
2526 "__c6xabi_DSBT_BASE not defined"),
2533 case R_C6000_SBR_GOT_U15_W:
2534 case R_C6000_SBR_GOT_L16_W:
2535 case R_C6000_SBR_GOT_H16_W:
2536 case R_C6000_EHTYPE:
2537 /* Relocation is to the entry for this symbol in the global
2539 if (htab->elf.sgot == NULL)
2546 off = h->got.offset;
2547 dyn = htab->elf.dynamic_sections_created;
2548 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
2549 bfd_link_pic (info),
2551 || (bfd_link_pic (info)
2552 && SYMBOL_REFERENCES_LOCAL (info, h))
2553 || (ELF_ST_VISIBILITY (h->other)
2554 && h->root.type == bfd_link_hash_undefweak))
2556 /* This is actually a static link, or it is a
2557 -Bsymbolic link and the symbol is defined
2558 locally, or the symbol was forced to be local
2559 because of a version file. We must initialize
2560 this entry in the global offset table. Since the
2561 offset must always be a multiple of 4, we use the
2562 least significant bit to record whether we have
2563 initialized it already.
2565 When doing a dynamic link, we create a .rel.got
2566 relocation entry to initialize the value. This
2567 is done in the finish_dynamic_symbol routine. */
2572 bfd_put_32 (output_bfd, relocation,
2573 htab->elf.sgot->contents + off);
2576 if (!WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
2577 bfd_link_pic (info),
2579 && !(ELF_ST_VISIBILITY (h->other)
2580 && h->root.type == bfd_link_hash_undefweak))
2581 elf32_tic6x_make_got_dynreloc (output_bfd, htab, sec,
2586 unresolved_reloc = FALSE;
2590 if (local_got_offsets == NULL)
2593 off = local_got_offsets[r_symndx];
2595 /* The offset must always be a multiple of 4. We use
2596 the least significant bit to record whether we have
2597 already generated the necessary reloc. */
2602 bfd_put_32 (output_bfd, relocation,
2603 htab->elf.sgot->contents + off);
2605 if (bfd_link_pic (info) || elf32_tic6x_using_dsbt (output_bfd))
2606 elf32_tic6x_make_got_dynreloc (output_bfd, htab, sec, off);
2608 local_got_offsets[r_symndx] |= 1;
2612 if (off >= (bfd_vma) -2)
2616 relocation = (htab->elf.sgot->output_section->vma
2617 + htab->elf.sgot->output_offset + off
2618 - htab->dsbt->output_section->vma
2619 - htab->dsbt->output_offset);
2621 relocation = (htab->elf.sgot->output_section->vma
2622 + htab->elf.sgot->output_offset + off
2623 - htab->elf.sgotplt->output_section->vma
2624 - htab->elf.sgotplt->output_offset);
2626 if (rel->r_addend != 0)
2628 /* We can't do anything for a relocation which is against
2629 a symbol *plus offset*. GOT holds relocations for
2630 symbols. Make this an error; the compiler isn't
2631 allowed to pass us these kinds of things. */
2634 /* xgettext:c-format */
2635 (_("%B, section %A: relocation %s with non-zero addend %d"
2636 " against local symbol"),
2639 elf32_tic6x_howto_table[r_type].name,
2643 /* xgettext:c-format */
2644 (_("%B, section %A: relocation %s with non-zero addend %d"
2645 " against symbol `%s'"),
2648 elf32_tic6x_howto_table[r_type].name,
2650 h->root.root.string[0] != '\0' ? h->root.root.string
2651 : _("[whose name is lost]"));
2653 bfd_set_error (bfd_error_bad_value);
2658 case R_C6000_PREL31:
2660 && h->plt.offset != (bfd_vma) -1
2661 && htab->elf.splt != NULL)
2663 relocation = (htab->elf.splt->output_section->vma
2664 + htab->elf.splt->output_offset
2670 /* Invalid in relocatable object. */
2672 /* Unknown relocation. */
2673 /* xgettext:c-format */
2674 _bfd_error_handler (_("%B: invalid relocation type %d"),
2680 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
2681 contents, rel->r_offset,
2682 relocation, rel->r_addend);
2685 if (r == bfd_reloc_ok
2686 && howto->complain_on_overflow == complain_overflow_bitfield)
2688 /* Generic overflow handling accepts cases the ABI says
2689 should be rejected for R_C6000_ABS16 and
2691 bfd_vma value = (relocation + rel->r_addend) & 0xffffffff;
2692 bfd_vma sbit = 1 << (howto->bitsize - 1);
2693 bfd_vma sbits = (-(bfd_vma) sbit) & 0xffffffff;
2694 bfd_vma value_sbits = value & sbits;
2696 if (value_sbits != 0
2697 && value_sbits != sbit
2698 && value_sbits != sbits)
2699 r = bfd_reloc_overflow;
2702 if (r != bfd_reloc_ok)
2705 const char *error_message;
2708 name = h->root.root.string;
2711 name = bfd_elf_string_from_elf_section (input_bfd,
2712 symtab_hdr->sh_link,
2717 name = bfd_section_name (input_bfd, sec);
2722 case bfd_reloc_overflow:
2723 /* If the overflowing reloc was to an undefined symbol,
2724 we have already printed one error message and there
2725 is no point complaining again. */
2726 if (!h || h->root.type != bfd_link_hash_undefined)
2727 (*info->callbacks->reloc_overflow)
2728 (info, (h ? &h->root : NULL), name, howto->name,
2729 (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
2732 case bfd_reloc_undefined:
2733 (*info->callbacks->undefined_symbol) (info, name, input_bfd,
2735 rel->r_offset, TRUE);
2738 case bfd_reloc_outofrange:
2739 error_message = _("out of range");
2742 case bfd_reloc_notsupported:
2743 error_message = _("unsupported relocation");
2746 case bfd_reloc_dangerous:
2747 error_message = _("dangerous relocation");
2751 error_message = _("unknown error");
2755 BFD_ASSERT (error_message != NULL);
2756 (*info->callbacks->reloc_dangerous)
2757 (info, error_message, input_bfd, input_section, rel->r_offset);
2767 /* Look through the relocs for a section during the first phase, and
2768 calculate needed space in the global offset table, procedure linkage
2769 table, and dynamic reloc sections. */
2772 elf32_tic6x_check_relocs (bfd *abfd, struct bfd_link_info *info,
2773 asection *sec, const Elf_Internal_Rela *relocs)
2775 struct elf32_tic6x_link_hash_table *htab;
2776 Elf_Internal_Shdr *symtab_hdr;
2777 struct elf_link_hash_entry **sym_hashes;
2778 const Elf_Internal_Rela *rel;
2779 const Elf_Internal_Rela *rel_end;
2782 if (bfd_link_relocatable (info))
2785 htab = elf32_tic6x_hash_table (info);
2786 symtab_hdr = &elf_symtab_hdr (abfd);
2787 sym_hashes = elf_sym_hashes (abfd);
2789 /* Create dynamic sections for relocatable executables so that we can
2790 copy relocations. */
2791 if ((bfd_link_pic (info) || elf32_tic6x_using_dsbt (abfd))
2792 && ! htab->elf.dynamic_sections_created)
2794 if (! _bfd_elf_link_create_dynamic_sections (abfd, info))
2800 rel_end = relocs + sec->reloc_count;
2801 for (rel = relocs; rel < rel_end; rel++)
2803 unsigned int r_type;
2804 unsigned long r_symndx;
2805 struct elf_link_hash_entry *h;
2806 Elf_Internal_Sym *isym;
2808 r_symndx = ELF32_R_SYM (rel->r_info);
2809 r_type = ELF32_R_TYPE (rel->r_info);
2811 if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
2813 /* xgettext:c-format */
2814 _bfd_error_handler (_("%B: bad symbol index: %d"),
2819 if (r_symndx < symtab_hdr->sh_info)
2821 /* A local symbol. */
2822 isym = bfd_sym_from_r_symndx (&htab->sym_cache,
2831 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
2832 while (h->root.type == bfd_link_hash_indirect
2833 || h->root.type == bfd_link_hash_warning)
2834 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2836 /* PR15323, ref flags aren't set for references in the same
2838 h->root.non_ir_ref = 1;
2843 case R_C6000_PCR_S21:
2844 case R_C6000_PREL31:
2845 /* This symbol requires a procedure linkage table entry. We
2846 actually build the entry in adjust_dynamic_symbol,
2847 because this might be a case of linking PIC code which is
2848 never referenced by a dynamic object, in which case we
2849 don't need to generate a procedure linkage table entry
2852 /* If this is a local symbol, we resolve it directly without
2853 creating a procedure linkage table entry. */
2858 h->plt.refcount += 1;
2861 case R_C6000_SBR_GOT_U15_W:
2862 case R_C6000_SBR_GOT_L16_W:
2863 case R_C6000_SBR_GOT_H16_W:
2864 case R_C6000_EHTYPE:
2865 /* This symbol requires a global offset table entry. */
2868 h->got.refcount += 1;
2872 bfd_signed_vma *local_got_refcounts;
2874 /* This is a global offset table entry for a local symbol. */
2875 local_got_refcounts = elf_local_got_refcounts (abfd);
2876 if (local_got_refcounts == NULL)
2880 size = symtab_hdr->sh_info;
2881 size *= (sizeof (bfd_signed_vma)
2882 + sizeof (bfd_vma) + sizeof(char));
2883 local_got_refcounts = bfd_zalloc (abfd, size);
2884 if (local_got_refcounts == NULL)
2886 elf_local_got_refcounts (abfd) = local_got_refcounts;
2888 local_got_refcounts[r_symndx] += 1;
2891 if (htab->elf.sgot == NULL)
2893 if (htab->elf.dynobj == NULL)
2894 htab->elf.dynobj = abfd;
2895 if (!_bfd_elf_create_got_section (htab->elf.dynobj, info))
2900 case R_C6000_DSBT_INDEX:
2901 /* We'd like to check for nonzero dsbt_index here, but it's
2902 set up only after check_relocs is called. Instead, we
2903 store the number of R_C6000_DSBT_INDEX relocs in the
2904 pc_count field, and potentially discard the extra space
2905 in elf32_tic6x_allocate_dynrelocs. */
2906 if (!bfd_link_pic (info))
2913 case R_C6000_ABS_S16:
2914 case R_C6000_ABS_L16:
2915 case R_C6000_ABS_H16:
2916 /* If we are creating a shared library, and this is a reloc
2917 against a global symbol, or a non PC relative reloc
2918 against a local symbol, then we need to copy the reloc
2919 into the shared library. However, if we are linking with
2920 -Bsymbolic, we do not need to copy a reloc against a
2921 global symbol which is defined in an object we are
2922 including in the link (i.e., DEF_REGULAR is set). At
2923 this point we have not seen all the input files, so it is
2924 possible that DEF_REGULAR is not set now but will be set
2925 later (it is never cleared). In case of a weak definition,
2926 DEF_REGULAR may be cleared later by a strong definition in
2927 a shared library. We account for that possibility below by
2928 storing information in the relocs_copied field of the hash
2929 table entry. A similar situation occurs when creating
2930 shared libraries and symbol visibility changes render the
2933 If on the other hand, we are creating an executable, we
2934 may need to keep relocations for symbols satisfied by a
2935 dynamic library if we manage to avoid copy relocs for the
2937 if ((bfd_link_pic (info) || elf32_tic6x_using_dsbt (abfd))
2938 && (sec->flags & SEC_ALLOC) != 0)
2940 struct elf_dyn_relocs *p;
2941 struct elf_dyn_relocs **head;
2943 /* We must copy these reloc types into the output file.
2944 Create a reloc section in dynobj and make room for
2948 if (htab->elf.dynobj == NULL)
2949 htab->elf.dynobj = abfd;
2951 sreloc = _bfd_elf_make_dynamic_reloc_section
2952 (sec, htab->elf.dynobj, 2, abfd, /*rela? */ TRUE);
2958 /* If this is a global symbol, we count the number of
2959 relocations we need for this symbol. */
2962 head = &((struct elf32_tic6x_link_hash_entry *) h)->dyn_relocs;
2966 /* Track dynamic relocs needed for local syms too.
2967 We really need local syms available to do this
2972 s = bfd_section_from_elf_index (abfd, isym->st_shndx);
2976 vpp = &elf_section_data (s)->local_dynrel;
2977 head = (struct elf_dyn_relocs **)vpp;
2981 if (p == NULL || p->sec != sec)
2983 bfd_size_type amt = sizeof *p;
2984 p = bfd_alloc (htab->elf.dynobj, amt);
2995 if (r_type == R_C6000_DSBT_INDEX)
3000 case R_C6000_SBR_U15_B:
3001 case R_C6000_SBR_U15_H:
3002 case R_C6000_SBR_U15_W:
3003 case R_C6000_SBR_S16:
3004 case R_C6000_SBR_L16_B:
3005 case R_C6000_SBR_L16_H:
3006 case R_C6000_SBR_L16_W:
3007 case R_C6000_SBR_H16_B:
3008 case R_C6000_SBR_H16_H:
3009 case R_C6000_SBR_H16_W:
3010 if (h != NULL && bfd_link_executable (info))
3012 /* For B14-relative addresses, we might need a copy
3027 elf32_tic6x_add_symbol_hook (bfd *abfd,
3028 struct bfd_link_info *info ATTRIBUTE_UNUSED,
3029 Elf_Internal_Sym *sym,
3030 const char **namep ATTRIBUTE_UNUSED,
3031 flagword *flagsp ATTRIBUTE_UNUSED,
3035 switch (sym->st_shndx)
3037 case SHN_TIC6X_SCOMMON:
3038 *secp = bfd_make_section_old_way (abfd, ".scommon");
3039 (*secp)->flags |= SEC_IS_COMMON;
3040 *valp = sym->st_size;
3041 (void) bfd_set_section_alignment (abfd, *secp, bfd_log2 (sym->st_value));
3049 elf32_tic6x_symbol_processing (bfd *abfd ATTRIBUTE_UNUSED, asymbol *asym)
3051 elf_symbol_type *elfsym;
3053 elfsym = (elf_symbol_type *) asym;
3054 switch (elfsym->internal_elf_sym.st_shndx)
3056 case SHN_TIC6X_SCOMMON:
3057 if (tic6x_elf_scom_section.name == NULL)
3059 /* Initialize the small common section. */
3060 tic6x_elf_scom_section.name = ".scommon";
3061 tic6x_elf_scom_section.flags = SEC_IS_COMMON;
3062 tic6x_elf_scom_section.output_section = &tic6x_elf_scom_section;
3063 tic6x_elf_scom_section.symbol = &tic6x_elf_scom_symbol;
3064 tic6x_elf_scom_section.symbol_ptr_ptr = &tic6x_elf_scom_symbol_ptr;
3065 tic6x_elf_scom_symbol.name = ".scommon";
3066 tic6x_elf_scom_symbol.flags = BSF_SECTION_SYM;
3067 tic6x_elf_scom_symbol.section = &tic6x_elf_scom_section;
3068 tic6x_elf_scom_symbol_ptr = &tic6x_elf_scom_symbol;
3070 asym->section = &tic6x_elf_scom_section;
3071 asym->value = elfsym->internal_elf_sym.st_size;
3077 elf32_tic6x_link_output_symbol_hook (struct bfd_link_info *info ATTRIBUTE_UNUSED,
3078 const char *name ATTRIBUTE_UNUSED,
3079 Elf_Internal_Sym *sym,
3080 asection *input_sec,
3081 struct elf_link_hash_entry *h ATTRIBUTE_UNUSED)
3083 /* If we see a common symbol, which implies a relocatable link, then
3084 if a symbol was small common in an input file, mark it as small
3085 common in the output file. */
3086 if (sym->st_shndx == SHN_COMMON && strcmp (input_sec->name, ".scommon") == 0)
3087 sym->st_shndx = SHN_TIC6X_SCOMMON;
3093 elf32_tic6x_section_from_bfd_section (bfd *abfd ATTRIBUTE_UNUSED,
3097 if (strcmp (bfd_get_section_name (abfd, sec), ".scommon") == 0)
3099 *retval = SHN_TIC6X_SCOMMON;
3106 /* Allocate space in .plt, .got and associated reloc sections for
3110 elf32_tic6x_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
3112 struct bfd_link_info *info;
3113 struct elf32_tic6x_link_hash_table *htab;
3114 struct elf32_tic6x_link_hash_entry *eh;
3115 struct elf_dyn_relocs *p;
3117 if (h->root.type == bfd_link_hash_indirect)
3120 eh = (struct elf32_tic6x_link_hash_entry *) h;
3121 info = (struct bfd_link_info *) inf;
3122 htab = elf32_tic6x_hash_table (info);
3124 if (htab->elf.dynamic_sections_created && h->plt.refcount > 0)
3126 /* Make sure this symbol is output as a dynamic symbol.
3127 Undefined weak syms won't yet be marked as dynamic. */
3128 if (h->dynindx == -1 && !h->forced_local)
3130 if (! bfd_elf_link_record_dynamic_symbol (info, h))
3134 if (bfd_link_pic (info)
3135 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h))
3137 asection *s = htab->elf.splt;
3139 /* If this is the first .plt entry, make room for the special
3142 s->size += PLT_ENTRY_SIZE;
3144 h->plt.offset = s->size;
3146 /* If this symbol is not defined in a regular file, and we are
3147 not generating a shared library, then set the symbol to this
3148 location in the .plt. This is required to make function
3149 pointers compare as equal between the normal executable and
3150 the shared library. */
3151 if (! bfd_link_pic (info) && !h->def_regular)
3153 h->root.u.def.section = s;
3154 h->root.u.def.value = h->plt.offset;
3157 /* Make room for this entry. */
3158 s->size += PLT_ENTRY_SIZE;
3159 /* We also need to make an entry in the .got.plt section, which
3160 will be placed in the .got section by the linker script. */
3161 htab->elf.sgotplt->size += 4;
3162 /* We also need to make an entry in the .rel.plt section. */
3163 htab->elf.srelplt->size += sizeof (Elf32_External_Rela);
3167 h->plt.offset = (bfd_vma) -1;
3173 h->plt.offset = (bfd_vma) -1;
3177 if (h->got.refcount > 0)
3181 /* Make sure this symbol is output as a dynamic symbol.
3182 Undefined weak syms won't yet be marked as dynamic. */
3183 if (h->dynindx == -1
3184 && !h->forced_local)
3186 if (! bfd_elf_link_record_dynamic_symbol (info, h))
3191 h->got.offset = s->size;
3194 if (!(ELF_ST_VISIBILITY (h->other)
3195 && h->root.type == bfd_link_hash_undefweak))
3196 htab->elf.srelgot->size += sizeof (Elf32_External_Rela);
3199 h->got.offset = (bfd_vma) -1;
3201 if (eh->dyn_relocs == NULL)
3204 /* Discard relocs on undefined weak syms with non-default
3206 if (bfd_link_pic (info) || elf32_tic6x_using_dsbt (htab->obfd))
3208 /* We use the pc_count field to hold the number of
3209 R_C6000_DSBT_INDEX relocs. */
3210 if (htab->params.dsbt_index != 0)
3212 struct elf_dyn_relocs **pp;
3214 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
3216 p->count -= p->pc_count;
3225 if (eh->dyn_relocs != NULL
3226 && h->root.type == bfd_link_hash_undefweak)
3228 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
3229 eh->dyn_relocs = NULL;
3231 /* Make sure undefined weak symbols are output as a dynamic
3233 else if (h->dynindx == -1
3234 && !h->forced_local)
3236 if (! bfd_elf_link_record_dynamic_symbol (info, h))
3242 /* Finally, allocate space. */
3243 for (p = eh->dyn_relocs; p != NULL; p = p->next)
3247 sreloc = elf_section_data (p->sec)->sreloc;
3249 BFD_ASSERT (sreloc != NULL);
3250 sreloc->size += p->count * sizeof (Elf32_External_Rela);
3256 /* Find any dynamic relocs that apply to read-only sections. */
3259 elf32_tic6x_readonly_dynrelocs (struct elf_link_hash_entry *h, void *inf)
3261 struct elf32_tic6x_link_hash_entry *eh;
3262 struct elf_dyn_relocs *p;
3264 eh = (struct elf32_tic6x_link_hash_entry *) h;
3265 for (p = eh->dyn_relocs; p != NULL; p = p->next)
3267 asection *s = p->sec->output_section;
3269 if (s != NULL && (s->flags & SEC_READONLY) != 0)
3271 struct bfd_link_info *info = (struct bfd_link_info *) inf;
3273 info->flags |= DF_TEXTREL;
3275 /* Not an error, just cut short the traversal. */
3282 /* Set the sizes of the dynamic sections. */
3285 elf32_tic6x_size_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
3287 struct elf32_tic6x_link_hash_table *htab;
3293 htab = elf32_tic6x_hash_table (info);
3294 dynobj = htab->elf.dynobj;
3298 if (htab->elf.dynamic_sections_created)
3300 /* Set the contents of the .interp section to the interpreter. */
3301 if (bfd_link_executable (info) && !info->nointerp)
3303 s = bfd_get_linker_section (dynobj, ".interp");
3306 s->size = sizeof ELF_DYNAMIC_INTERPRETER;
3307 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
3311 /* Set up .got offsets for local syms, and space for local dynamic
3313 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
3315 bfd_signed_vma *local_got;
3316 bfd_signed_vma *end_local_got;
3317 bfd_size_type locsymcount;
3318 Elf_Internal_Shdr *symtab_hdr;
3321 for (s = ibfd->sections; s != NULL; s = s->next)
3323 struct elf_dyn_relocs *p;
3325 for (p = ((struct elf_dyn_relocs *)
3326 elf_section_data (s)->local_dynrel);
3330 if (!bfd_is_abs_section (p->sec)
3331 && bfd_is_abs_section (p->sec->output_section))
3333 /* Input section has been discarded, either because
3334 it is a copy of a linkonce section or due to
3335 linker script /DISCARD/, so we'll be discarding
3338 else if (p->count != 0)
3340 srel = elf_section_data (p->sec)->sreloc;
3341 srel->size += p->count * sizeof (Elf32_External_Rela);
3342 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
3343 info->flags |= DF_TEXTREL;
3348 local_got = elf_local_got_refcounts (ibfd);
3352 symtab_hdr = &elf_symtab_hdr (ibfd);
3353 locsymcount = symtab_hdr->sh_info;
3354 end_local_got = local_got + locsymcount;
3356 srel = htab->elf.srelgot;
3357 for (; local_got < end_local_got; ++local_got)
3361 *local_got = s->size;
3364 if (bfd_link_pic (info) || elf32_tic6x_using_dsbt (output_bfd))
3366 srel->size += sizeof (Elf32_External_Rela);
3370 *local_got = (bfd_vma) -1;
3374 /* Allocate global sym .plt and .got entries, and space for global
3375 sym dynamic relocs. */
3376 elf_link_hash_traverse (&htab->elf, elf32_tic6x_allocate_dynrelocs, info);
3378 /* We now have determined the sizes of the various dynamic sections.
3379 Allocate memory for them. */
3381 for (s = dynobj->sections; s != NULL; s = s->next)
3383 bfd_boolean strip_section = TRUE;
3385 if ((s->flags & SEC_LINKER_CREATED) == 0)
3388 if (s == htab->dsbt)
3389 s->size = 4 * htab->params.dsbt_size;
3390 else if (s == htab->elf.splt
3391 || s == htab->elf.sgot
3392 || s == htab->elf.sgotplt
3393 || s == htab->elf.sdynbss
3394 || s == htab->elf.sdynrelro)
3396 /* Strip this section if we don't need it; see the
3398 /* We'd like to strip these sections if they aren't needed, but if
3399 we've exported dynamic symbols from them we must leave them.
3400 It's too late to tell BFD to get rid of the symbols. */
3402 if (htab->elf.hplt != NULL)
3403 strip_section = FALSE;
3405 /* Round up the size of the PLT section to a multiple of 32. */
3406 if (s == htab->elf.splt && s->size > 0)
3407 s->size = (s->size + 31) & ~(bfd_vma)31;
3409 else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rela"))
3412 && s != htab->elf.srelplt)
3415 /* We use the reloc_count field as a counter if we need
3416 to copy relocs into the output file. */
3421 /* It's not one of our sections, so don't allocate space. */
3427 /* If we don't need this section, strip it from the
3428 output file. This is mostly to handle .rel.bss and
3429 .rel.plt. We must create both sections in
3430 create_dynamic_sections, because they must be created
3431 before the linker maps input sections to output
3432 sections. The linker does that before
3433 adjust_dynamic_symbol is called, and it is that
3434 function which decides whether anything needs to go
3435 into these sections. */
3437 s->flags |= SEC_EXCLUDE;
3441 if ((s->flags & SEC_HAS_CONTENTS) == 0)
3444 /* Allocate memory for the section contents. We use bfd_zalloc
3445 here in case unused entries are not reclaimed before the
3446 section's contents are written out. This should not happen,
3447 but this way if it does, we get a R_C6000_NONE reloc instead
3449 s->contents = bfd_zalloc (dynobj, s->size);
3450 if (s->contents == NULL)
3454 if (htab->elf.dynamic_sections_created)
3456 /* Add some entries to the .dynamic section. We fill in the
3457 values later, in elf32_tic6x_finish_dynamic_sections, but we
3458 must add the entries now so that we get the correct size for
3459 the .dynamic section. The DT_DEBUG entry is filled in by the
3460 dynamic linker and used by the debugger. */
3461 #define add_dynamic_entry(TAG, VAL) \
3462 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
3464 if (bfd_link_executable (info))
3466 if (!add_dynamic_entry (DT_DEBUG, 0))
3470 if (!add_dynamic_entry (DT_C6000_DSBT_BASE, 0)
3471 || !add_dynamic_entry (DT_C6000_DSBT_SIZE, htab->params.dsbt_size)
3472 || !add_dynamic_entry (DT_C6000_DSBT_INDEX,
3473 htab->params.dsbt_index))
3476 if (htab->elf.splt->size != 0)
3478 if (!add_dynamic_entry (DT_PLTGOT, 0)
3479 || !add_dynamic_entry (DT_PLTRELSZ, 0)
3480 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
3481 || !add_dynamic_entry (DT_JMPREL, 0))
3487 if (!add_dynamic_entry (DT_RELA, 0)
3488 || !add_dynamic_entry (DT_RELASZ, 0)
3489 || !add_dynamic_entry (DT_RELAENT, sizeof (Elf32_External_Rela)))
3492 /* If any dynamic relocs apply to a read-only section,
3493 then we need a DT_TEXTREL entry. */
3494 if ((info->flags & DF_TEXTREL) == 0)
3495 elf_link_hash_traverse (&htab->elf,
3496 elf32_tic6x_readonly_dynrelocs, info);
3498 if ((info->flags & DF_TEXTREL) != 0)
3500 if (!add_dynamic_entry (DT_TEXTREL, 0))
3505 #undef add_dynamic_entry
3510 /* This function is called after all the input files have been read,
3511 and the input sections have been assigned to output sections. */
3514 elf32_tic6x_always_size_sections (bfd *output_bfd, struct bfd_link_info *info)
3516 if (elf32_tic6x_using_dsbt (output_bfd) && !bfd_link_relocatable (info)
3517 && !bfd_elf_stack_segment_size (output_bfd, info,
3518 "__stacksize", DEFAULT_STACK_SIZE))
3525 elf32_tic6x_finish_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
3526 struct bfd_link_info *info)
3528 struct elf32_tic6x_link_hash_table *htab;
3532 htab = elf32_tic6x_hash_table (info);
3533 dynobj = htab->elf.dynobj;
3534 sdyn = bfd_get_linker_section (dynobj, ".dynamic");
3536 if (elf_hash_table (info)->dynamic_sections_created)
3538 Elf32_External_Dyn * dyncon;
3539 Elf32_External_Dyn * dynconend;
3541 BFD_ASSERT (sdyn != NULL);
3543 dyncon = (Elf32_External_Dyn *) sdyn->contents;
3544 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
3546 for (; dyncon < dynconend; dyncon++)
3548 Elf_Internal_Dyn dyn;
3551 bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
3558 case DT_C6000_DSBT_BASE:
3560 dyn.d_un.d_ptr = (s->output_section->vma + s->output_offset);
3564 s = htab->elf.sgotplt;
3565 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
3569 s = htab->elf.srelplt;
3570 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
3574 s = htab->elf.srelplt;
3575 dyn.d_un.d_val = s->size;
3578 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
3581 /* Fill in the first entry in the procedure linkage table. */
3582 if (htab->elf.splt && htab->elf.splt->size > 0)
3584 bfd_vma got_offs = (htab->elf.sgotplt->output_section->vma
3585 + htab->elf.sgotplt->output_offset
3586 - htab->dsbt->output_section->vma
3587 - htab->dsbt->output_offset) / 4;
3589 /* ldw .D2T2 *+b14[$GOT(0)],b2 */
3590 bfd_put_32 (output_bfd, got_offs << 8 | 0x0100006e,
3591 htab->elf.splt->contents);
3592 /* ldw .D2T2 *+b14[$GOT(4)],b1 */
3593 bfd_put_32 (output_bfd, (got_offs + 1) << 8 | 0x0080006e,
3594 htab->elf.splt->contents + 4);
3596 bfd_put_32 (output_bfd, 0x00004000,
3597 htab->elf.splt->contents + 8);
3599 bfd_put_32 (output_bfd, 0x00080362,
3600 htab->elf.splt->contents + 12);
3602 bfd_put_32 (output_bfd, 0x00008000,
3603 htab->elf.splt->contents + 16);
3605 elf_section_data (htab->elf.splt->output_section)
3606 ->this_hdr.sh_entsize = PLT_ENTRY_SIZE;
3613 /* Return address for Ith PLT stub in section PLT, for relocation REL
3614 or (bfd_vma) -1 if it should not be included. */
3617 elf32_tic6x_plt_sym_val (bfd_vma i, const asection *plt,
3618 const arelent *rel ATTRIBUTE_UNUSED)
3620 return plt->vma + (i + 1) * PLT_ENTRY_SIZE;
3624 elf32_tic6x_obj_attrs_arg_type (int tag)
3626 if (tag == Tag_ABI_compatibility)
3627 return ATTR_TYPE_FLAG_INT_VAL | ATTR_TYPE_FLAG_STR_VAL;
3629 return ATTR_TYPE_FLAG_STR_VAL;
3631 return ATTR_TYPE_FLAG_INT_VAL;
3635 elf32_tic6x_obj_attrs_order (int num)
3637 if (num == LEAST_KNOWN_OBJ_ATTRIBUTE)
3638 return Tag_ABI_conformance;
3639 if ((num - 1) < Tag_ABI_conformance)
3645 elf32_tic6x_obj_attrs_handle_unknown (bfd *abfd, int tag)
3647 if ((tag & 127) < 64)
3650 /* xgettext:c-format */
3651 (_("%B: error: unknown mandatory EABI object attribute %d"),
3653 bfd_set_error (bfd_error_bad_value);
3659 /* xgettext:c-format */
3660 (_("%B: warning: unknown EABI object attribute %d"),
3666 /* Merge the Tag_ISA attribute values ARCH1 and ARCH2
3667 and return the merged value. At present, all merges succeed, so no
3668 return value for errors is defined. */
3671 elf32_tic6x_merge_arch_attributes (int arch1, int arch2)
3673 int min_arch, max_arch;
3675 min_arch = (arch1 < arch2 ? arch1 : arch2);
3676 max_arch = (arch1 > arch2 ? arch1 : arch2);
3678 /* In most cases, the numerically greatest value is the correct
3679 merged value, but merging C64 and C67 results in C674X. */
3680 if ((min_arch == C6XABI_Tag_ISA_C67X
3681 || min_arch == C6XABI_Tag_ISA_C67XP)
3682 && (max_arch == C6XABI_Tag_ISA_C64X
3683 || max_arch == C6XABI_Tag_ISA_C64XP))
3684 return C6XABI_Tag_ISA_C674X;
3689 /* Convert a Tag_ABI_array_object_alignment or
3690 Tag_ABI_array_object_align_expected tag value TAG to a
3691 corresponding alignment value; return the alignment, or -1 for an
3692 unknown tag value. */
3695 elf32_tic6x_tag_to_array_alignment (int tag)
3713 /* Convert a Tag_ABI_array_object_alignment or
3714 Tag_ABI_array_object_align_expected alignment ALIGN to a
3715 corresponding tag value; return the tag value. */
3718 elf32_tic6x_array_alignment_to_tag (int align)
3736 /* Merge attributes from IBFD and OBFD, returning TRUE if the merge
3737 succeeded, FALSE otherwise. */
3740 elf32_tic6x_merge_attributes (bfd *ibfd, struct bfd_link_info *info)
3742 bfd *obfd = info->output_bfd;
3743 bfd_boolean result = TRUE;
3744 obj_attribute *in_attr;
3745 obj_attribute *out_attr;
3747 int array_align_in, array_align_out, array_expect_in, array_expect_out;
3749 if (!elf_known_obj_attributes_proc (obfd)[0].i)
3751 /* This is the first object. Copy the attributes. */
3752 _bfd_elf_copy_obj_attributes (ibfd, obfd);
3754 out_attr = elf_known_obj_attributes_proc (obfd);
3756 /* Use the Tag_null value to indicate the attributes have been
3763 in_attr = elf_known_obj_attributes_proc (ibfd);
3764 out_attr = elf_known_obj_attributes_proc (obfd);
3766 /* No specification yet for handling of unknown attributes, so just
3767 ignore them and handle known ones. */
3769 if (out_attr[Tag_ABI_stack_align_preserved].i
3770 < in_attr[Tag_ABI_stack_align_needed].i)
3773 /* xgettext:c-format */
3774 (_("error: %B requires more stack alignment than %B preserves"),
3778 if (in_attr[Tag_ABI_stack_align_preserved].i
3779 < out_attr[Tag_ABI_stack_align_needed].i)
3782 /* xgettext:c-format */
3783 (_("error: %B requires more stack alignment than %B preserves"),
3788 array_align_in = elf32_tic6x_tag_to_array_alignment
3789 (in_attr[Tag_ABI_array_object_alignment].i);
3790 if (array_align_in == -1)
3793 (_("error: unknown Tag_ABI_array_object_alignment value in %B"),
3797 array_align_out = elf32_tic6x_tag_to_array_alignment
3798 (out_attr[Tag_ABI_array_object_alignment].i);
3799 if (array_align_out == -1)
3802 (_("error: unknown Tag_ABI_array_object_alignment value in %B"),
3806 array_expect_in = elf32_tic6x_tag_to_array_alignment
3807 (in_attr[Tag_ABI_array_object_align_expected].i);
3808 if (array_expect_in == -1)
3811 (_("error: unknown Tag_ABI_array_object_align_expected value in %B"),
3815 array_expect_out = elf32_tic6x_tag_to_array_alignment
3816 (out_attr[Tag_ABI_array_object_align_expected].i);
3817 if (array_expect_out == -1)
3820 (_("error: unknown Tag_ABI_array_object_align_expected value in %B"),
3825 if (array_align_out < array_expect_in)
3828 /* xgettext:c-format */
3829 (_("error: %B requires more array alignment than %B preserves"),
3833 if (array_align_in < array_expect_out)
3836 /* xgettext:c-format */
3837 (_("error: %B requires more array alignment than %B preserves"),
3842 for (i = LEAST_KNOWN_OBJ_ATTRIBUTE; i < NUM_KNOWN_OBJ_ATTRIBUTES; i++)
3847 out_attr[i].i = elf32_tic6x_merge_arch_attributes (in_attr[i].i,
3851 case Tag_ABI_wchar_t:
3852 if (out_attr[i].i == 0)
3853 out_attr[i].i = in_attr[i].i;
3854 if (out_attr[i].i != 0
3855 && in_attr[i].i != 0
3856 && out_attr[i].i != in_attr[i].i)
3859 /* xgettext:c-format */
3860 (_("warning: %B and %B differ in wchar_t size"), obfd, ibfd);
3864 case Tag_ABI_stack_align_needed:
3865 if (out_attr[i].i < in_attr[i].i)
3866 out_attr[i].i = in_attr[i].i;
3869 case Tag_ABI_stack_align_preserved:
3870 if (out_attr[i].i > in_attr[i].i)
3871 out_attr[i].i = in_attr[i].i;
3875 if (out_attr[i].i != in_attr[i].i)
3878 /* xgettext:c-format */
3879 (_("warning: %B and %B differ in whether code is "
3880 "compiled for DSBT"),
3887 if (out_attr[i].i > in_attr[i].i)
3888 out_attr[i].i = in_attr[i].i;
3891 case Tag_ABI_array_object_alignment:
3892 if (array_align_out != -1
3893 && array_align_in != -1
3894 && array_align_out > array_align_in)
3896 = elf32_tic6x_array_alignment_to_tag (array_align_in);
3899 case Tag_ABI_array_object_align_expected:
3900 if (array_expect_out != -1
3901 && array_expect_in != -1
3902 && array_expect_out < array_expect_in)
3904 = elf32_tic6x_array_alignment_to_tag (array_expect_in);
3907 case Tag_ABI_conformance:
3908 /* Merging for this attribute is not specified. As on ARM,
3909 treat a missing attribute as no claim to conform and only
3910 merge identical values. */
3911 if (out_attr[i].s == NULL
3912 || in_attr[i].s == NULL
3913 || strcmp (out_attr[i].s,
3915 out_attr[i].s = NULL;
3918 case Tag_ABI_compatibility:
3919 /* Merged in _bfd_elf_merge_object_attributes. */
3924 = result && _bfd_elf_merge_unknown_attribute_low (ibfd, obfd, i);
3928 if (in_attr[i].type && !out_attr[i].type)
3929 out_attr[i].type = in_attr[i].type;
3932 /* Merge Tag_ABI_compatibility attributes and any common GNU ones. */
3933 if (!_bfd_elf_merge_object_attributes (ibfd, info))
3936 result &= _bfd_elf_merge_unknown_attribute_list (ibfd, obfd);
3942 elf32_tic6x_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
3944 if (!_bfd_generic_verify_endian_match (ibfd, info))
3947 if (! is_tic6x_elf (ibfd) || ! is_tic6x_elf (info->output_bfd))
3950 if (!elf32_tic6x_merge_attributes (ibfd, info))
3956 /* Add a new unwind edit to the list described by HEAD, TAIL. If TINDEX is zero,
3957 adds the edit to the start of the list. (The list must be built in order of
3958 ascending TINDEX: the function's callers are primarily responsible for
3959 maintaining that condition). */
3962 elf32_tic6x_add_unwind_table_edit (tic6x_unwind_table_edit **head,
3963 tic6x_unwind_table_edit **tail,
3964 tic6x_unwind_edit_type type,
3965 asection *linked_section,
3966 unsigned int tindex)
3968 tic6x_unwind_table_edit *new_edit = (tic6x_unwind_table_edit *)
3969 xmalloc (sizeof (tic6x_unwind_table_edit));
3971 new_edit->type = type;
3972 new_edit->linked_section = linked_section;
3973 new_edit->index = tindex;
3977 new_edit->next = NULL;
3980 (*tail)->next = new_edit;
3989 new_edit->next = *head;
3998 static _tic6x_elf_section_data *
3999 get_tic6x_elf_section_data (asection * sec)
4001 if (sec && sec->owner && is_tic6x_elf (sec->owner))
4002 return elf32_tic6x_section_data (sec);
4008 /* Increase the size of EXIDX_SEC by ADJUST bytes. ADJUST must be negative. */
4010 elf32_tic6x_adjust_exidx_size (asection *exidx_sec, int adjust)
4014 if (!exidx_sec->rawsize)
4015 exidx_sec->rawsize = exidx_sec->size;
4017 bfd_set_section_size (exidx_sec->owner, exidx_sec, exidx_sec->size + adjust);
4018 out_sec = exidx_sec->output_section;
4019 /* Adjust size of output section. */
4020 bfd_set_section_size (out_sec->owner, out_sec, out_sec->size +adjust);
4023 /* Insert an EXIDX_CANTUNWIND marker at the end of a section. */
4025 elf32_tic6x_insert_cantunwind_after (asection *text_sec, asection *exidx_sec)
4027 struct _tic6x_elf_section_data *exidx_data;
4029 exidx_data = get_tic6x_elf_section_data (exidx_sec);
4030 elf32_tic6x_add_unwind_table_edit (
4031 &exidx_data->u.exidx.unwind_edit_list,
4032 &exidx_data->u.exidx.unwind_edit_tail,
4033 INSERT_EXIDX_CANTUNWIND_AT_END, text_sec, UINT_MAX);
4035 elf32_tic6x_adjust_exidx_size (exidx_sec, 8);
4038 /* Scan .cx6abi.exidx tables, and create a list describing edits which
4039 should be made to those tables, such that:
4041 1. Regions without unwind data are marked with EXIDX_CANTUNWIND entries.
4042 2. Duplicate entries are merged together (EXIDX_CANTUNWIND, or unwind
4043 codes which have been inlined into the index).
4045 If MERGE_EXIDX_ENTRIES is false, duplicate entries are not merged.
4047 The edits are applied when the tables are written
4048 (in elf32_tic6x_write_section).
4052 elf32_tic6x_fix_exidx_coverage (asection **text_section_order,
4053 unsigned int num_text_sections,
4054 struct bfd_link_info *info,
4055 bfd_boolean merge_exidx_entries)
4058 unsigned int last_second_word = 0, i;
4059 asection *last_exidx_sec = NULL;
4060 asection *last_text_sec = NULL;
4061 int last_unwind_type = -1;
4063 /* Walk over all EXIDX sections, and create backlinks from the corrsponding
4065 for (inp = info->input_bfds; inp != NULL; inp = inp->link.next)
4069 for (sec = inp->sections; sec != NULL; sec = sec->next)
4071 struct bfd_elf_section_data *elf_sec = elf_section_data (sec);
4072 Elf_Internal_Shdr *hdr = &elf_sec->this_hdr;
4074 if (!hdr || hdr->sh_type != SHT_C6000_UNWIND)
4077 if (elf_sec->linked_to)
4079 Elf_Internal_Shdr *linked_hdr
4080 = &elf_section_data (elf_sec->linked_to)->this_hdr;
4081 struct _tic6x_elf_section_data *linked_sec_tic6x_data
4082 = get_tic6x_elf_section_data (linked_hdr->bfd_section);
4084 if (linked_sec_tic6x_data == NULL)
4087 /* Link this .c6xabi.exidx section back from the
4088 text section it describes. */
4089 linked_sec_tic6x_data->u.text.tic6x_exidx_sec = sec;
4094 /* Walk all text sections in order of increasing VMA. Eilminate duplicate
4095 index table entries (EXIDX_CANTUNWIND and inlined unwind opcodes),
4096 and add EXIDX_CANTUNWIND entries for sections with no unwind table data. */
4098 for (i = 0; i < num_text_sections; i++)
4100 asection *sec = text_section_order[i];
4101 asection *exidx_sec;
4102 struct _tic6x_elf_section_data *tic6x_data
4103 = get_tic6x_elf_section_data (sec);
4104 struct _tic6x_elf_section_data *exidx_data;
4105 bfd_byte *contents = NULL;
4106 int deleted_exidx_bytes = 0;
4108 tic6x_unwind_table_edit *unwind_edit_head = NULL;
4109 tic6x_unwind_table_edit *unwind_edit_tail = NULL;
4110 Elf_Internal_Shdr *hdr;
4113 if (tic6x_data == NULL)
4116 exidx_sec = tic6x_data->u.text.tic6x_exidx_sec;
4117 if (exidx_sec == NULL)
4119 /* Section has no unwind data. */
4120 if (last_unwind_type == 0 || !last_exidx_sec)
4123 /* Ignore zero sized sections. */
4127 elf32_tic6x_insert_cantunwind_after (last_text_sec, last_exidx_sec);
4128 last_unwind_type = 0;
4132 /* Skip /DISCARD/ sections. */
4133 if (bfd_is_abs_section (exidx_sec->output_section))
4136 hdr = &elf_section_data (exidx_sec)->this_hdr;
4137 if (hdr->sh_type != SHT_C6000_UNWIND)
4140 exidx_data = get_tic6x_elf_section_data (exidx_sec);
4141 if (exidx_data == NULL)
4144 ibfd = exidx_sec->owner;
4146 if (hdr->contents != NULL)
4147 contents = hdr->contents;
4148 else if (! bfd_malloc_and_get_section (ibfd, exidx_sec, &contents))
4152 for (j = 0; j < hdr->sh_size; j += 8)
4154 unsigned int second_word = bfd_get_32 (ibfd, contents + j + 4);
4158 /* An EXIDX_CANTUNWIND entry. */
4159 if (second_word == 1)
4161 if (last_unwind_type == 0)
4165 /* Inlined unwinding data. Merge if equal to previous. */
4166 else if ((second_word & 0x80000000) != 0)
4168 if (merge_exidx_entries
4169 && last_second_word == second_word
4170 && last_unwind_type == 1)
4173 last_second_word = second_word;
4175 /* Normal table entry. In theory we could merge these too,
4176 but duplicate entries are likely to be much less common. */
4182 elf32_tic6x_add_unwind_table_edit (&unwind_edit_head,
4183 &unwind_edit_tail, DELETE_EXIDX_ENTRY, NULL, j / 8);
4185 deleted_exidx_bytes += 8;
4188 last_unwind_type = unwind_type;
4191 /* Free contents if we allocated it ourselves. */
4192 if (contents != hdr->contents)
4195 /* Record edits to be applied later (in elf32_tic6x_write_section). */
4196 exidx_data->u.exidx.unwind_edit_list = unwind_edit_head;
4197 exidx_data->u.exidx.unwind_edit_tail = unwind_edit_tail;
4199 if (deleted_exidx_bytes > 0)
4200 elf32_tic6x_adjust_exidx_size (exidx_sec, -deleted_exidx_bytes);
4202 last_exidx_sec = exidx_sec;
4203 last_text_sec = sec;
4206 /* Add terminating CANTUNWIND entry. */
4207 if (last_exidx_sec && last_unwind_type != 0)
4208 elf32_tic6x_insert_cantunwind_after (last_text_sec, last_exidx_sec);
4213 /* Add ADDEND to lower 31 bits of VAL, leaving other bits unmodified. */
4215 static unsigned long
4216 elf32_tic6x_add_low31 (unsigned long val, bfd_vma addend)
4218 return (val & ~0x7ffffffful) | ((val + addend) & 0x7ffffffful);
4221 /* Copy an .c6xabi.exidx table entry, adding OFFSET to (applied) PREL31
4222 relocations. OFFSET is in bytes, and will be scaled before encoding. */
4226 elf32_tic6x_copy_exidx_entry (bfd *output_bfd, bfd_byte *to, bfd_byte *from,
4229 unsigned long first_word = bfd_get_32 (output_bfd, from);
4230 unsigned long second_word = bfd_get_32 (output_bfd, from + 4);
4233 /* High bit of first word is supposed to be zero. */
4234 if ((first_word & 0x80000000ul) == 0)
4235 first_word = elf32_tic6x_add_low31 (first_word, offset);
4237 /* If the high bit of the first word is clear, and the bit pattern is not 0x1
4238 (EXIDX_CANTUNWIND), this is an offset to an .c6xabi.extab entry. */
4239 if ((second_word != 0x1) && ((second_word & 0x80000000ul) == 0))
4240 second_word = elf32_tic6x_add_low31 (second_word, offset);
4242 bfd_put_32 (output_bfd, first_word, to);
4243 bfd_put_32 (output_bfd, second_word, to + 4);
4246 /* Do the actual mangling of exception index tables. */
4249 elf32_tic6x_write_section (bfd *output_bfd,
4250 struct bfd_link_info *link_info,
4254 _tic6x_elf_section_data *tic6x_data;
4255 struct elf32_tic6x_link_hash_table *globals
4256 = elf32_tic6x_hash_table (link_info);
4257 bfd_vma offset = sec->output_section->vma + sec->output_offset;
4259 if (globals == NULL)
4262 /* If this section has not been allocated an _tic6x_elf_section_data
4263 structure then we cannot record anything. */
4264 tic6x_data = get_tic6x_elf_section_data (sec);
4265 if (tic6x_data == NULL)
4268 if (tic6x_data->elf.this_hdr.sh_type != SHT_C6000_UNWIND)
4271 tic6x_unwind_table_edit *edit_node
4272 = tic6x_data->u.exidx.unwind_edit_list;
4273 /* Now, sec->size is the size of the section we will write. The original
4274 size (before we merged duplicate entries and inserted EXIDX_CANTUNWIND
4275 markers) was sec->rawsize. (This isn't the case if we perform no
4276 edits, then rawsize will be zero and we should use size). */
4277 bfd_byte *edited_contents = (bfd_byte *) bfd_malloc (sec->size);
4278 unsigned int input_size = sec->rawsize ? sec->rawsize : sec->size;
4279 unsigned int in_index, out_index;
4280 bfd_vma add_to_offsets = 0;
4282 for (in_index = 0, out_index = 0; in_index * 8 < input_size || edit_node;)
4286 unsigned int edit_index = edit_node->index;
4288 if (in_index < edit_index && in_index * 8 < input_size)
4290 elf32_tic6x_copy_exidx_entry (output_bfd,
4291 edited_contents + out_index * 8,
4292 contents + in_index * 8, add_to_offsets);
4296 else if (in_index == edit_index
4297 || (in_index * 8 >= input_size
4298 && edit_index == UINT_MAX))
4300 switch (edit_node->type)
4302 case DELETE_EXIDX_ENTRY:
4304 add_to_offsets += 8;
4307 case INSERT_EXIDX_CANTUNWIND_AT_END:
4309 asection *text_sec = edit_node->linked_section;
4310 bfd_vma text_offset = text_sec->output_section->vma
4311 + text_sec->output_offset
4313 bfd_vma exidx_offset = offset + out_index * 8;
4314 unsigned long prel31_offset;
4316 /* Note: this is meant to be equivalent to an
4317 R_C6000_PREL31 relocation. These synthetic
4318 EXIDX_CANTUNWIND markers are not relocated by the
4319 usual BFD method. */
4320 prel31_offset = ((text_offset - exidx_offset) >> 1)
4323 /* First address we can't unwind. */
4324 bfd_put_32 (output_bfd, prel31_offset,
4325 &edited_contents[out_index * 8]);
4327 /* Code for EXIDX_CANTUNWIND. */
4328 bfd_put_32 (output_bfd, 0x1,
4329 &edited_contents[out_index * 8 + 4]);
4332 add_to_offsets -= 8;
4337 edit_node = edit_node->next;
4342 /* No more edits, copy remaining entries verbatim. */
4343 elf32_tic6x_copy_exidx_entry (output_bfd,
4344 edited_contents + out_index * 8,
4345 contents + in_index * 8, add_to_offsets);
4351 if (!(sec->flags & SEC_EXCLUDE) && !(sec->flags & SEC_NEVER_LOAD))
4352 bfd_set_section_contents (output_bfd, sec->output_section,
4354 (file_ptr) sec->output_offset, sec->size);
4359 #define TARGET_LITTLE_SYM tic6x_elf32_le_vec
4360 #define TARGET_LITTLE_NAME "elf32-tic6x-le"
4361 #define TARGET_BIG_SYM tic6x_elf32_be_vec
4362 #define TARGET_BIG_NAME "elf32-tic6x-be"
4363 #define ELF_ARCH bfd_arch_tic6x
4364 #define ELF_TARGET_ID TIC6X_ELF_DATA
4365 #define ELF_MACHINE_CODE EM_TI_C6000
4366 #define ELF_MAXPAGESIZE 0x1000
4367 #define bfd_elf32_bfd_reloc_type_lookup elf32_tic6x_reloc_type_lookup
4368 #define bfd_elf32_bfd_reloc_name_lookup elf32_tic6x_reloc_name_lookup
4369 #define bfd_elf32_bfd_merge_private_bfd_data elf32_tic6x_merge_private_bfd_data
4370 #define bfd_elf32_mkobject elf32_tic6x_mkobject
4371 #define bfd_elf32_bfd_link_hash_table_create elf32_tic6x_link_hash_table_create
4372 #define bfd_elf32_new_section_hook elf32_tic6x_new_section_hook
4373 #define elf_backend_stack_align 8
4374 #define elf_backend_can_gc_sections 1
4375 #define elf_backend_default_use_rela_p 1
4376 #define elf_backend_may_use_rel_p 1
4377 #define elf_backend_may_use_rela_p 1
4378 #define elf_backend_obj_attrs_arg_type elf32_tic6x_obj_attrs_arg_type
4379 #define elf_backend_obj_attrs_handle_unknown elf32_tic6x_obj_attrs_handle_unknown
4380 #define elf_backend_obj_attrs_order elf32_tic6x_obj_attrs_order
4381 #define elf_backend_obj_attrs_section ".c6xabi.attributes"
4382 #define elf_backend_obj_attrs_section_type SHT_C6000_ATTRIBUTES
4383 #define elf_backend_obj_attrs_vendor "c6xabi"
4384 #define elf_backend_can_refcount 1
4385 #define elf_backend_want_got_plt 1
4386 #define elf_backend_want_dynbss 1
4387 #define elf_backend_want_dynrelro 1
4388 #define elf_backend_plt_readonly 1
4389 #define elf_backend_rela_normal 1
4390 #define elf_backend_got_header_size 8
4391 #define elf_backend_fake_sections elf32_tic6x_fake_sections
4392 #define elf_backend_gc_sweep_hook elf32_tic6x_gc_sweep_hook
4393 #define elf_backend_gc_mark_extra_sections elf32_tic6x_gc_mark_extra_sections
4394 #define elf_backend_create_dynamic_sections \
4395 elf32_tic6x_create_dynamic_sections
4396 #define elf_backend_adjust_dynamic_symbol \
4397 elf32_tic6x_adjust_dynamic_symbol
4398 #define elf_backend_check_relocs elf32_tic6x_check_relocs
4399 #define elf_backend_add_symbol_hook elf32_tic6x_add_symbol_hook
4400 #define elf_backend_symbol_processing elf32_tic6x_symbol_processing
4401 #define elf_backend_link_output_symbol_hook \
4402 elf32_tic6x_link_output_symbol_hook
4403 #define elf_backend_section_from_bfd_section \
4404 elf32_tic6x_section_from_bfd_section
4405 #define elf_backend_relocate_section elf32_tic6x_relocate_section
4406 #define elf_backend_relocs_compatible _bfd_elf_relocs_compatible
4407 #define elf_backend_finish_dynamic_symbol \
4408 elf32_tic6x_finish_dynamic_symbol
4409 #define elf_backend_always_size_sections \
4410 elf32_tic6x_always_size_sections
4411 #define elf_backend_size_dynamic_sections \
4412 elf32_tic6x_size_dynamic_sections
4413 #define elf_backend_finish_dynamic_sections \
4414 elf32_tic6x_finish_dynamic_sections
4415 #define bfd_elf32_bfd_final_link \
4416 elf32_tic6x_final_link
4417 #define elf_backend_write_section elf32_tic6x_write_section
4418 #define elf_info_to_howto elf32_tic6x_info_to_howto
4419 #define elf_info_to_howto_rel elf32_tic6x_info_to_howto_rel
4421 #undef elf_backend_omit_section_dynsym
4422 #define elf_backend_omit_section_dynsym elf32_tic6x_link_omit_section_dynsym
4423 #define elf_backend_plt_sym_val elf32_tic6x_plt_sym_val
4425 #include "elf32-target.h"
4428 #define elf32_bed elf32_tic6x_linux_bed
4430 #undef TARGET_LITTLE_SYM
4431 #define TARGET_LITTLE_SYM tic6x_elf32_linux_le_vec
4432 #undef TARGET_LITTLE_NAME
4433 #define TARGET_LITTLE_NAME "elf32-tic6x-linux-le"
4434 #undef TARGET_BIG_SYM
4435 #define TARGET_BIG_SYM tic6x_elf32_linux_be_vec
4436 #undef TARGET_BIG_NAME
4437 #define TARGET_BIG_NAME "elf32-tic6x-linux-be"
4439 #define ELF_OSABI ELFOSABI_C6000_LINUX
4441 #include "elf32-target.h"
4444 #define elf32_bed elf32_tic6x_elf_bed
4446 #undef TARGET_LITTLE_SYM
4447 #define TARGET_LITTLE_SYM tic6x_elf32_c6000_le_vec
4448 #undef TARGET_LITTLE_NAME
4449 #define TARGET_LITTLE_NAME "elf32-tic6x-elf-le"
4450 #undef TARGET_BIG_SYM
4451 #define TARGET_BIG_SYM tic6x_elf32_c6000_be_vec
4452 #undef TARGET_BIG_NAME
4453 #define TARGET_BIG_NAME "elf32-tic6x-elf-be"
4455 #define ELF_OSABI ELFOSABI_C6000_ELFABI
4457 #include "elf32-target.h"