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* libbfd-in.h (_bfd_ar_spacepad): New prototype.
[binutils.git] / bfd / elf32-sh.c
blob05b0665a7f37ce7f30e5a0d155413d2d7e9d9622
1 /* Renesas / SuperH SH specific support for 32-bit ELF
2 Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
3 Free Software Foundation, Inc.
4 Contributed by Ian Lance Taylor, Cygnus Support.
5
6 This file is part of BFD, the Binary File Descriptor library.
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
21
22 #include "bfd.h"
23 #include "sysdep.h"
24 #include "bfdlink.h"
25 #include "libbfd.h"
26 #include "elf-bfd.h"
27 #include "elf/sh.h"
28 #include "libiberty.h"
29 #include "../opcodes/sh-opc.h"
30
31 static bfd_reloc_status_type sh_elf_reloc
32 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
33 static bfd_reloc_status_type sh_elf_ignore_reloc
34 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
35 static bfd_boolean sh_elf_relax_delete_bytes
36 (bfd *, asection *, bfd_vma, int);
37 static bfd_boolean sh_elf_align_loads
38 (bfd *, asection *, Elf_Internal_Rela *, bfd_byte *, bfd_boolean *);
39 #ifndef SH64_ELF
40 static bfd_boolean sh_elf_swap_insns
41 (bfd *, asection *, void *, bfd_byte *, bfd_vma);
42 #endif
43 static int sh_elf_optimized_tls_reloc
44 (struct bfd_link_info *, int, int);
45 static bfd_vma dtpoff_base
46 (struct bfd_link_info *);
47 static bfd_vma tpoff
48 (struct bfd_link_info *, bfd_vma);
49
50 /* The name of the dynamic interpreter. This is put in the .interp
51 section. */
52
53 #define ELF_DYNAMIC_INTERPRETER "/usr/lib/libc.so.1"
54
55 static reloc_howto_type sh_elf_howto_table[] =
56 {
57 /* No relocation. */
58 HOWTO (R_SH_NONE, /* type */
59 0, /* rightshift */
60 0, /* size (0 = byte, 1 = short, 2 = long) */
61 0, /* bitsize */
62 FALSE, /* pc_relative */
63 0, /* bitpos */
64 complain_overflow_dont, /* complain_on_overflow */
65 sh_elf_ignore_reloc, /* special_function */
66 "R_SH_NONE", /* name */
67 FALSE, /* partial_inplace */
68 0, /* src_mask */
69 0, /* dst_mask */
70 FALSE), /* pcrel_offset */
71
72 /* 32 bit absolute relocation. Setting partial_inplace to TRUE and
73 src_mask to a non-zero value is similar to the COFF toolchain. */
74 HOWTO (R_SH_DIR32, /* type */
75 0, /* rightshift */
76 2, /* size (0 = byte, 1 = short, 2 = long) */
77 32, /* bitsize */
78 FALSE, /* pc_relative */
79 0, /* bitpos */
80 complain_overflow_bitfield, /* complain_on_overflow */
81 sh_elf_reloc, /* special_function */
82 "R_SH_DIR32", /* name */
83 TRUE, /* partial_inplace */
84 0xffffffff, /* src_mask */
85 0xffffffff, /* dst_mask */
86 FALSE), /* pcrel_offset */
87
88 /* 32 bit PC relative relocation. */
89 HOWTO (R_SH_REL32, /* type */
90 0, /* rightshift */
91 2, /* size (0 = byte, 1 = short, 2 = long) */
92 32, /* bitsize */
93 TRUE, /* pc_relative */
94 0, /* bitpos */
95 complain_overflow_signed, /* complain_on_overflow */
96 sh_elf_ignore_reloc, /* special_function */
97 "R_SH_REL32", /* name */
98 TRUE, /* partial_inplace */
99 0xffffffff, /* src_mask */
100 0xffffffff, /* dst_mask */
101 TRUE), /* pcrel_offset */
102
103 /* 8 bit PC relative branch divided by 2. */
104 HOWTO (R_SH_DIR8WPN, /* type */
105 1, /* rightshift */
106 1, /* size (0 = byte, 1 = short, 2 = long) */
107 8, /* bitsize */
108 TRUE, /* pc_relative */
109 0, /* bitpos */
110 complain_overflow_signed, /* complain_on_overflow */
111 sh_elf_ignore_reloc, /* special_function */
112 "R_SH_DIR8WPN", /* name */
113 TRUE, /* partial_inplace */
114 0xff, /* src_mask */
115 0xff, /* dst_mask */
116 TRUE), /* pcrel_offset */
117
118 /* 12 bit PC relative branch divided by 2. */
119 /* This cannot be partial_inplace because relaxation can't know the
120 eventual value of a symbol. */
121 HOWTO (R_SH_IND12W, /* type */
122 1, /* rightshift */
123 1, /* size (0 = byte, 1 = short, 2 = long) */
124 12, /* bitsize */
125 TRUE, /* pc_relative */
126 0, /* bitpos */
127 complain_overflow_signed, /* complain_on_overflow */
128 NULL, /* special_function */
129 "R_SH_IND12W", /* name */
130 FALSE, /* partial_inplace */
131 0x0, /* src_mask */
132 0xfff, /* dst_mask */
133 TRUE), /* pcrel_offset */
134
135 /* 8 bit unsigned PC relative divided by 4. */
136 HOWTO (R_SH_DIR8WPL, /* type */
137 2, /* rightshift */
138 1, /* size (0 = byte, 1 = short, 2 = long) */
139 8, /* bitsize */
140 TRUE, /* pc_relative */
141 0, /* bitpos */
142 complain_overflow_unsigned, /* complain_on_overflow */
143 sh_elf_ignore_reloc, /* special_function */
144 "R_SH_DIR8WPL", /* name */
145 TRUE, /* partial_inplace */
146 0xff, /* src_mask */
147 0xff, /* dst_mask */
148 TRUE), /* pcrel_offset */
149
150 /* 8 bit unsigned PC relative divided by 2. */
151 HOWTO (R_SH_DIR8WPZ, /* type */
152 1, /* rightshift */
153 1, /* size (0 = byte, 1 = short, 2 = long) */
154 8, /* bitsize */
155 TRUE, /* pc_relative */
156 0, /* bitpos */
157 complain_overflow_unsigned, /* complain_on_overflow */
158 sh_elf_ignore_reloc, /* special_function */
159 "R_SH_DIR8WPZ", /* name */
160 TRUE, /* partial_inplace */
161 0xff, /* src_mask */
162 0xff, /* dst_mask */
163 TRUE), /* pcrel_offset */
164
165 /* 8 bit GBR relative. FIXME: This only makes sense if we have some
166 special symbol for the GBR relative area, and that is not
167 implemented. */
168 HOWTO (R_SH_DIR8BP, /* type */
169 0, /* rightshift */
170 1, /* size (0 = byte, 1 = short, 2 = long) */
171 8, /* bitsize */
172 FALSE, /* pc_relative */
173 0, /* bitpos */
174 complain_overflow_unsigned, /* complain_on_overflow */
175 sh_elf_ignore_reloc, /* special_function */
176 "R_SH_DIR8BP", /* name */
177 FALSE, /* partial_inplace */
178 0, /* src_mask */
179 0xff, /* dst_mask */
180 TRUE), /* pcrel_offset */
181
182 /* 8 bit GBR relative divided by 2. FIXME: This only makes sense if
183 we have some special symbol for the GBR relative area, and that
184 is not implemented. */
185 HOWTO (R_SH_DIR8W, /* type */
186 1, /* rightshift */
187 1, /* size (0 = byte, 1 = short, 2 = long) */
188 8, /* bitsize */
189 FALSE, /* pc_relative */
190 0, /* bitpos */
191 complain_overflow_unsigned, /* complain_on_overflow */
192 sh_elf_ignore_reloc, /* special_function */
193 "R_SH_DIR8W", /* name */
194 FALSE, /* partial_inplace */
195 0, /* src_mask */
196 0xff, /* dst_mask */
197 TRUE), /* pcrel_offset */
198
199 /* 8 bit GBR relative divided by 4. FIXME: This only makes sense if
200 we have some special symbol for the GBR relative area, and that
201 is not implemented. */
202 HOWTO (R_SH_DIR8L, /* type */
203 2, /* rightshift */
204 1, /* size (0 = byte, 1 = short, 2 = long) */
205 8, /* bitsize */
206 FALSE, /* pc_relative */
207 0, /* bitpos */
208 complain_overflow_unsigned, /* complain_on_overflow */
209 sh_elf_ignore_reloc, /* special_function */
210 "R_SH_DIR8L", /* name */
211 FALSE, /* partial_inplace */
212 0, /* src_mask */
213 0xff, /* dst_mask */
214 TRUE), /* pcrel_offset */
215
216 /* 8 bit PC relative divided by 2 - but specified in a very odd way. */
217 HOWTO (R_SH_LOOP_START, /* type */
218 1, /* rightshift */
219 1, /* size (0 = byte, 1 = short, 2 = long) */
220 8, /* bitsize */
221 FALSE, /* pc_relative */
222 0, /* bitpos */
223 complain_overflow_signed, /* complain_on_overflow */
224 sh_elf_ignore_reloc, /* special_function */
225 "R_SH_LOOP_START", /* name */
226 TRUE, /* partial_inplace */
227 0xff, /* src_mask */
228 0xff, /* dst_mask */
229 TRUE), /* pcrel_offset */
230
231 /* 8 bit PC relative divided by 2 - but specified in a very odd way. */
232 HOWTO (R_SH_LOOP_END, /* type */
233 1, /* rightshift */
234 1, /* size (0 = byte, 1 = short, 2 = long) */
235 8, /* bitsize */
236 FALSE, /* pc_relative */
237 0, /* bitpos */
238 complain_overflow_signed, /* complain_on_overflow */
239 sh_elf_ignore_reloc, /* special_function */
240 "R_SH_LOOP_END", /* name */
241 TRUE, /* partial_inplace */
242 0xff, /* src_mask */
243 0xff, /* dst_mask */
244 TRUE), /* pcrel_offset */
245
246 EMPTY_HOWTO (12),
247 EMPTY_HOWTO (13),
248 EMPTY_HOWTO (14),
249 EMPTY_HOWTO (15),
250 EMPTY_HOWTO (16),
251 EMPTY_HOWTO (17),
252 EMPTY_HOWTO (18),
253 EMPTY_HOWTO (19),
254 EMPTY_HOWTO (20),
255 EMPTY_HOWTO (21),
256
257 /* The remaining relocs are a GNU extension used for relaxing. The
258 final pass of the linker never needs to do anything with any of
259 these relocs. Any required operations are handled by the
260 relaxation code. */
261
262 /* GNU extension to record C++ vtable hierarchy */
263 HOWTO (R_SH_GNU_VTINHERIT, /* type */
264 0, /* rightshift */
265 2, /* size (0 = byte, 1 = short, 2 = long) */
266 0, /* bitsize */
267 FALSE, /* pc_relative */
268 0, /* bitpos */
269 complain_overflow_dont, /* complain_on_overflow */
270 NULL, /* special_function */
271 "R_SH_GNU_VTINHERIT", /* name */
272 FALSE, /* partial_inplace */
273 0, /* src_mask */
274 0, /* dst_mask */
275 FALSE), /* pcrel_offset */
276
277 /* GNU extension to record C++ vtable member usage */
278 HOWTO (R_SH_GNU_VTENTRY, /* type */
279 0, /* rightshift */
280 2, /* size (0 = byte, 1 = short, 2 = long) */
281 0, /* bitsize */
282 FALSE, /* pc_relative */
283 0, /* bitpos */
284 complain_overflow_dont, /* complain_on_overflow */
285 _bfd_elf_rel_vtable_reloc_fn, /* special_function */
286 "R_SH_GNU_VTENTRY", /* name */
287 FALSE, /* partial_inplace */
288 0, /* src_mask */
289 0, /* dst_mask */
290 FALSE), /* pcrel_offset */
291
292 /* An 8 bit switch table entry. This is generated for an expression
293 such as ``.word L1 - L2''. The offset holds the difference
294 between the reloc address and L2. */
295 HOWTO (R_SH_SWITCH8, /* type */
296 0, /* rightshift */
297 0, /* size (0 = byte, 1 = short, 2 = long) */
298 8, /* bitsize */
299 FALSE, /* pc_relative */
300 0, /* bitpos */
301 complain_overflow_unsigned, /* complain_on_overflow */
302 sh_elf_ignore_reloc, /* special_function */
303 "R_SH_SWITCH8", /* name */
304 FALSE, /* partial_inplace */
305 0, /* src_mask */
306 0, /* dst_mask */
307 TRUE), /* pcrel_offset */
308
309 /* A 16 bit switch table entry. This is generated for an expression
310 such as ``.word L1 - L2''. The offset holds the difference
311 between the reloc address and L2. */
312 HOWTO (R_SH_SWITCH16, /* type */
313 0, /* rightshift */
314 1, /* size (0 = byte, 1 = short, 2 = long) */
315 16, /* bitsize */
316 FALSE, /* pc_relative */
317 0, /* bitpos */
318 complain_overflow_unsigned, /* complain_on_overflow */
319 sh_elf_ignore_reloc, /* special_function */
320 "R_SH_SWITCH16", /* name */
321 FALSE, /* partial_inplace */
322 0, /* src_mask */
323 0, /* dst_mask */
324 TRUE), /* pcrel_offset */
325
326 /* A 32 bit switch table entry. This is generated for an expression
327 such as ``.long L1 - L2''. The offset holds the difference
328 between the reloc address and L2. */
329 HOWTO (R_SH_SWITCH32, /* type */
330 0, /* rightshift */
331 2, /* size (0 = byte, 1 = short, 2 = long) */
332 32, /* bitsize */
333 FALSE, /* pc_relative */
334 0, /* bitpos */
335 complain_overflow_unsigned, /* complain_on_overflow */
336 sh_elf_ignore_reloc, /* special_function */
337 "R_SH_SWITCH32", /* name */
338 FALSE, /* partial_inplace */
339 0, /* src_mask */
340 0, /* dst_mask */
341 TRUE), /* pcrel_offset */
342
343 /* Indicates a .uses pseudo-op. The compiler will generate .uses
344 pseudo-ops when it finds a function call which can be relaxed.
345 The offset field holds the PC relative offset to the instruction
346 which loads the register used in the function call. */
347 HOWTO (R_SH_USES, /* type */
348 0, /* rightshift */
349 1, /* size (0 = byte, 1 = short, 2 = long) */
350 0, /* bitsize */
351 FALSE, /* pc_relative */
352 0, /* bitpos */
353 complain_overflow_unsigned, /* complain_on_overflow */
354 sh_elf_ignore_reloc, /* special_function */
355 "R_SH_USES", /* name */
356 FALSE, /* partial_inplace */
357 0, /* src_mask */
358 0, /* dst_mask */
359 TRUE), /* pcrel_offset */
360
361 /* The assembler will generate this reloc for addresses referred to
362 by the register loads associated with USES relocs. The offset
363 field holds the number of times the address is referenced in the
364 object file. */
365 HOWTO (R_SH_COUNT, /* type */
366 0, /* rightshift */
367 1, /* size (0 = byte, 1 = short, 2 = long) */
368 0, /* bitsize */
369 FALSE, /* pc_relative */
370 0, /* bitpos */
371 complain_overflow_unsigned, /* complain_on_overflow */
372 sh_elf_ignore_reloc, /* special_function */
373 "R_SH_COUNT", /* name */
374 FALSE, /* partial_inplace */
375 0, /* src_mask */
376 0, /* dst_mask */
377 TRUE), /* pcrel_offset */
378
379 /* Indicates an alignment statement. The offset field is the power
380 of 2 to which subsequent portions of the object file must be
381 aligned. */
382 HOWTO (R_SH_ALIGN, /* type */
383 0, /* rightshift */
384 1, /* size (0 = byte, 1 = short, 2 = long) */
385 0, /* bitsize */
386 FALSE, /* pc_relative */
387 0, /* bitpos */
388 complain_overflow_unsigned, /* complain_on_overflow */
389 sh_elf_ignore_reloc, /* special_function */
390 "R_SH_ALIGN", /* name */
391 FALSE, /* partial_inplace */
392 0, /* src_mask */
393 0, /* dst_mask */
394 TRUE), /* pcrel_offset */
395
396 /* The assembler will generate this reloc before a block of
397 instructions. A section should be processed as assuming it
398 contains data, unless this reloc is seen. */
399 HOWTO (R_SH_CODE, /* type */
400 0, /* rightshift */
401 1, /* size (0 = byte, 1 = short, 2 = long) */
402 0, /* bitsize */
403 FALSE, /* pc_relative */
404 0, /* bitpos */
405 complain_overflow_unsigned, /* complain_on_overflow */
406 sh_elf_ignore_reloc, /* special_function */
407 "R_SH_CODE", /* name */
408 FALSE, /* partial_inplace */
409 0, /* src_mask */
410 0, /* dst_mask */
411 TRUE), /* pcrel_offset */
412
413 /* The assembler will generate this reloc after a block of
414 instructions when it sees data that is not instructions. */
415 HOWTO (R_SH_DATA, /* type */
416 0, /* rightshift */
417 1, /* size (0 = byte, 1 = short, 2 = long) */
418 0, /* bitsize */
419 FALSE, /* pc_relative */
420 0, /* bitpos */
421 complain_overflow_unsigned, /* complain_on_overflow */
422 sh_elf_ignore_reloc, /* special_function */
423 "R_SH_DATA", /* name */
424 FALSE, /* partial_inplace */
425 0, /* src_mask */
426 0, /* dst_mask */
427 TRUE), /* pcrel_offset */
428
429 /* The assembler generates this reloc for each label within a block
430 of instructions. This permits the linker to avoid swapping
431 instructions which are the targets of branches. */
432 HOWTO (R_SH_LABEL, /* type */
433 0, /* rightshift */
434 1, /* size (0 = byte, 1 = short, 2 = long) */
435 0, /* bitsize */
436 FALSE, /* pc_relative */
437 0, /* bitpos */
438 complain_overflow_unsigned, /* complain_on_overflow */
439 sh_elf_ignore_reloc, /* special_function */
440 "R_SH_LABEL", /* name */
441 FALSE, /* partial_inplace */
442 0, /* src_mask */
443 0, /* dst_mask */
444 TRUE), /* pcrel_offset */
445
446 /* The next 12 are only supported via linking in SHC-generated objects. */
447 HOWTO (R_SH_DIR16, /* type */
448 0, /* rightshift */
449 1, /* size (0 = byte, 1 = short, 2 = long) */
450 16, /* bitsize */
451 FALSE, /* pc_relative */
452 0, /* bitpos */
453 complain_overflow_dont, /* complain_on_overflow */
454 bfd_elf_generic_reloc, /* special_function */
455 "R_SH_DIR16", /* name */
456 FALSE, /* partial_inplace */
457 0, /* src_mask */
458 0xffff, /* dst_mask */
459 FALSE), /* pcrel_offset */
460
461 HOWTO (R_SH_DIR8, /* type */
462 0, /* rightshift */
463 0, /* size (0 = byte, 1 = short, 2 = long) */
464 8, /* bitsize */
465 FALSE, /* pc_relative */
466 0, /* bitpos */
467 complain_overflow_dont, /* complain_on_overflow */
468 bfd_elf_generic_reloc, /* special_function */
469 "R_SH_DIR8", /* name */
470 FALSE, /* partial_inplace */
471 0, /* src_mask */
472 0xff, /* dst_mask */
473 FALSE), /* pcrel_offset */
474
475 HOWTO (R_SH_DIR8UL, /* type */
476 2, /* rightshift */
477 0, /* size (0 = byte, 1 = short, 2 = long) */
478 8, /* bitsize */
479 FALSE, /* pc_relative */
480 0, /* bitpos */
481 complain_overflow_unsigned, /* complain_on_overflow */
482 bfd_elf_generic_reloc, /* special_function */
483 "R_SH_DIR8UL", /* name */
484 FALSE, /* partial_inplace */
485 0, /* src_mask */
486 0xff, /* dst_mask */
487 FALSE), /* pcrel_offset */
488
489 HOWTO (R_SH_DIR8UW, /* type */
490 1, /* rightshift */
491 0, /* size (0 = byte, 1 = short, 2 = long) */
492 8, /* bitsize */
493 FALSE, /* pc_relative */
494 0, /* bitpos */
495 complain_overflow_unsigned, /* complain_on_overflow */
496 bfd_elf_generic_reloc, /* special_function */
497 "R_SH_DIR8UW", /* name */
498 FALSE, /* partial_inplace */
499 0, /* src_mask */
500 0xff, /* dst_mask */
501 FALSE), /* pcrel_offset */
502
503 HOWTO (R_SH_DIR8U, /* type */
504 0, /* rightshift */
505 0, /* size (0 = byte, 1 = short, 2 = long) */
506 8, /* bitsize */
507 FALSE, /* pc_relative */
508 0, /* bitpos */
509 complain_overflow_unsigned, /* complain_on_overflow */
510 bfd_elf_generic_reloc, /* special_function */
511 "R_SH_DIR8U", /* name */
512 FALSE, /* partial_inplace */
513 0, /* src_mask */
514 0xff, /* dst_mask */
515 FALSE), /* pcrel_offset */
516
517 HOWTO (R_SH_DIR8SW, /* type */
518 1, /* rightshift */
519 0, /* size (0 = byte, 1 = short, 2 = long) */
520 8, /* bitsize */
521 FALSE, /* pc_relative */
522 0, /* bitpos */
523 complain_overflow_signed, /* complain_on_overflow */
524 bfd_elf_generic_reloc, /* special_function */
525 "R_SH_DIR8SW", /* name */
526 FALSE, /* partial_inplace */
527 0, /* src_mask */
528 0xff, /* dst_mask */
529 FALSE), /* pcrel_offset */
530
531 HOWTO (R_SH_DIR8S, /* type */
532 0, /* rightshift */
533 0, /* size (0 = byte, 1 = short, 2 = long) */
534 8, /* bitsize */
535 FALSE, /* pc_relative */
536 0, /* bitpos */
537 complain_overflow_signed, /* complain_on_overflow */
538 bfd_elf_generic_reloc, /* special_function */
539 "R_SH_DIR8S", /* name */
540 FALSE, /* partial_inplace */
541 0, /* src_mask */
542 0xff, /* dst_mask */
543 FALSE), /* pcrel_offset */
544
545 HOWTO (R_SH_DIR4UL, /* type */
546 2, /* rightshift */
547 0, /* size (0 = byte, 1 = short, 2 = long) */
548 4, /* bitsize */
549 FALSE, /* pc_relative */
550 0, /* bitpos */
551 complain_overflow_unsigned, /* complain_on_overflow */
552 bfd_elf_generic_reloc, /* special_function */
553 "R_SH_DIR4UL", /* name */
554 FALSE, /* partial_inplace */
555 0, /* src_mask */
556 0x0f, /* dst_mask */
557 FALSE), /* pcrel_offset */
558
559 HOWTO (R_SH_DIR4UW, /* type */
560 1, /* rightshift */
561 0, /* size (0 = byte, 1 = short, 2 = long) */
562 4, /* bitsize */
563 FALSE, /* pc_relative */
564 0, /* bitpos */
565 complain_overflow_unsigned, /* complain_on_overflow */
566 bfd_elf_generic_reloc, /* special_function */
567 "R_SH_DIR4UW", /* name */
568 FALSE, /* partial_inplace */
569 0, /* src_mask */
570 0x0f, /* dst_mask */
571 FALSE), /* pcrel_offset */
572
573 HOWTO (R_SH_DIR4U, /* type */
574 0, /* rightshift */
575 0, /* size (0 = byte, 1 = short, 2 = long) */
576 4, /* bitsize */
577 FALSE, /* pc_relative */
578 0, /* bitpos */
579 complain_overflow_unsigned, /* complain_on_overflow */
580 bfd_elf_generic_reloc, /* special_function */
581 "R_SH_DIR4U", /* name */
582 FALSE, /* partial_inplace */
583 0, /* src_mask */
584 0x0f, /* dst_mask */
585 FALSE), /* pcrel_offset */
586
587 HOWTO (R_SH_PSHA, /* type */
588 0, /* rightshift */
589 1, /* size (0 = byte, 1 = short, 2 = long) */
590 7, /* bitsize */
591 FALSE, /* pc_relative */
592 4, /* bitpos */
593 complain_overflow_signed, /* complain_on_overflow */
594 bfd_elf_generic_reloc, /* special_function */
595 "R_SH_PSHA", /* name */
596 FALSE, /* partial_inplace */
597 0, /* src_mask */
598 0x0f, /* dst_mask */
599 FALSE), /* pcrel_offset */
600
601 HOWTO (R_SH_PSHL, /* type */
602 0, /* rightshift */
603 1, /* size (0 = byte, 1 = short, 2 = long) */
604 7, /* bitsize */
605 FALSE, /* pc_relative */
606 4, /* bitpos */
607 complain_overflow_signed, /* complain_on_overflow */
608 bfd_elf_generic_reloc, /* special_function */
609 "R_SH_PSHL", /* name */
610 FALSE, /* partial_inplace */
611 0, /* src_mask */
612 0x0f, /* dst_mask */
613 FALSE), /* pcrel_offset */
614
615 #ifdef INCLUDE_SHMEDIA
616 /* Used in SHLLI.L and SHLRI.L. */
617 HOWTO (R_SH_DIR5U, /* type */
618 0, /* rightshift */
619 2, /* size (0 = byte, 1 = short, 2 = long) */
620 5, /* bitsize */
621 FALSE, /* pc_relative */
622 10, /* bitpos */
623 complain_overflow_unsigned, /* complain_on_overflow */
624 bfd_elf_generic_reloc, /* special_function */
625 "R_SH_DIR5U", /* name */
626 FALSE, /* partial_inplace */
627 0, /* src_mask */
628 0xfc00, /* dst_mask */
629 FALSE), /* pcrel_offset */
630
631 /* Used in SHARI, SHLLI et al. */
632 HOWTO (R_SH_DIR6U, /* type */
633 0, /* rightshift */
634 2, /* size (0 = byte, 1 = short, 2 = long) */
635 6, /* bitsize */
636 FALSE, /* pc_relative */
637 10, /* bitpos */
638 complain_overflow_unsigned, /* complain_on_overflow */
639 bfd_elf_generic_reloc, /* special_function */
640 "R_SH_DIR6U", /* name */
641 FALSE, /* partial_inplace */
642 0, /* src_mask */
643 0xfc00, /* dst_mask */
644 FALSE), /* pcrel_offset */
645
646 /* Used in BxxI, LDHI.L et al. */
647 HOWTO (R_SH_DIR6S, /* type */
648 0, /* rightshift */
649 2, /* size (0 = byte, 1 = short, 2 = long) */
650 6, /* bitsize */
651 FALSE, /* pc_relative */
652 10, /* bitpos */
653 complain_overflow_signed, /* complain_on_overflow */
654 bfd_elf_generic_reloc, /* special_function */
655 "R_SH_DIR6S", /* name */
656 FALSE, /* partial_inplace */
657 0, /* src_mask */
658 0xfc00, /* dst_mask */
659 FALSE), /* pcrel_offset */
660
661 /* Used in ADDI, ANDI et al. */
662 HOWTO (R_SH_DIR10S, /* type */
663 0, /* rightshift */
664 2, /* size (0 = byte, 1 = short, 2 = long) */
665 10, /* bitsize */
666 FALSE, /* pc_relative */
667 10, /* bitpos */
668 complain_overflow_signed, /* complain_on_overflow */
669 bfd_elf_generic_reloc, /* special_function */
670 "R_SH_DIR10S", /* name */
671 FALSE, /* partial_inplace */
672 0, /* src_mask */
673 0xffc00, /* dst_mask */
674 FALSE), /* pcrel_offset */
675
676 /* Used in LD.UW, ST.W et al. */
677 HOWTO (R_SH_DIR10SW, /* type */
678 1, /* rightshift */
679 2, /* size (0 = byte, 1 = short, 2 = long) */
680 11, /* bitsize */
681 FALSE, /* pc_relative */
682 10, /* bitpos */
683 complain_overflow_signed, /* complain_on_overflow */
684 bfd_elf_generic_reloc, /* special_function */
685 "R_SH_DIR10SW", /* name */
686 FALSE, /* partial_inplace */
687 0, /* src_mask */
688 0xffc00, /* dst_mask */
689 FALSE), /* pcrel_offset */
690
691 /* Used in LD.L, FLD.S et al. */
692 HOWTO (R_SH_DIR10SL, /* type */
693 2, /* rightshift */
694 2, /* size (0 = byte, 1 = short, 2 = long) */
695 12, /* bitsize */
696 FALSE, /* pc_relative */
697 10, /* bitpos */
698 complain_overflow_signed, /* complain_on_overflow */
699 bfd_elf_generic_reloc, /* special_function */
700 "R_SH_DIR10SL", /* name */
701 FALSE, /* partial_inplace */
702 0, /* src_mask */
703 0xffc00, /* dst_mask */
704 FALSE), /* pcrel_offset */
705
706 /* Used in FLD.D, FST.P et al. */
707 HOWTO (R_SH_DIR10SQ, /* type */
708 3, /* rightshift */
709 2, /* size (0 = byte, 1 = short, 2 = long) */
710 13, /* bitsize */
711 FALSE, /* pc_relative */
712 10, /* bitpos */
713 complain_overflow_signed, /* complain_on_overflow */
714 bfd_elf_generic_reloc, /* special_function */
715 "R_SH_DIR10SQ", /* name */
716 FALSE, /* partial_inplace */
717 0, /* src_mask */
718 0xffc00, /* dst_mask */
719 FALSE), /* pcrel_offset */
720
721 #else
722 EMPTY_HOWTO (45),
723 EMPTY_HOWTO (46),
724 EMPTY_HOWTO (47),
725 EMPTY_HOWTO (48),
726 EMPTY_HOWTO (49),
727 EMPTY_HOWTO (50),
728 EMPTY_HOWTO (51),
729 #endif
730
731 EMPTY_HOWTO (52),
732
733 HOWTO (R_SH_DIR16S, /* type */
734 0, /* rightshift */
735 1, /* size (0 = byte, 1 = short, 2 = long) */
736 16, /* bitsize */
737 FALSE, /* pc_relative */
738 0, /* bitpos */
739 complain_overflow_signed, /* complain_on_overflow */
740 bfd_elf_generic_reloc, /* special_function */
741 "R_SH_DIR16S", /* name */
742 FALSE, /* partial_inplace */
743 0, /* src_mask */
744 0xffff, /* dst_mask */
745 FALSE), /* pcrel_offset */
746
747 EMPTY_HOWTO (54),
748 EMPTY_HOWTO (55),
749 EMPTY_HOWTO (56),
750 EMPTY_HOWTO (57),
751 EMPTY_HOWTO (58),
752 EMPTY_HOWTO (59),
753 EMPTY_HOWTO (60),
754 EMPTY_HOWTO (61),
755 EMPTY_HOWTO (62),
756 EMPTY_HOWTO (63),
757 EMPTY_HOWTO (64),
758 EMPTY_HOWTO (65),
759 EMPTY_HOWTO (66),
760 EMPTY_HOWTO (67),
761 EMPTY_HOWTO (68),
762 EMPTY_HOWTO (69),
763 EMPTY_HOWTO (70),
764 EMPTY_HOWTO (71),
765 EMPTY_HOWTO (72),
766 EMPTY_HOWTO (73),
767 EMPTY_HOWTO (74),
768 EMPTY_HOWTO (75),
769 EMPTY_HOWTO (76),
770 EMPTY_HOWTO (77),
771 EMPTY_HOWTO (78),
772 EMPTY_HOWTO (79),
773 EMPTY_HOWTO (80),
774 EMPTY_HOWTO (81),
775 EMPTY_HOWTO (82),
776 EMPTY_HOWTO (83),
777 EMPTY_HOWTO (84),
778 EMPTY_HOWTO (85),
779 EMPTY_HOWTO (86),
780 EMPTY_HOWTO (87),
781 EMPTY_HOWTO (88),
782 EMPTY_HOWTO (89),
783 EMPTY_HOWTO (90),
784 EMPTY_HOWTO (91),
785 EMPTY_HOWTO (92),
786 EMPTY_HOWTO (93),
787 EMPTY_HOWTO (94),
788 EMPTY_HOWTO (95),
789 EMPTY_HOWTO (96),
790 EMPTY_HOWTO (97),
791 EMPTY_HOWTO (98),
792 EMPTY_HOWTO (99),
793 EMPTY_HOWTO (100),
794 EMPTY_HOWTO (101),
795 EMPTY_HOWTO (102),
796 EMPTY_HOWTO (103),
797 EMPTY_HOWTO (104),
798 EMPTY_HOWTO (105),
799 EMPTY_HOWTO (106),
800 EMPTY_HOWTO (107),
801 EMPTY_HOWTO (108),
802 EMPTY_HOWTO (109),
803 EMPTY_HOWTO (110),
804 EMPTY_HOWTO (111),
805 EMPTY_HOWTO (112),
806 EMPTY_HOWTO (113),
807 EMPTY_HOWTO (114),
808 EMPTY_HOWTO (115),
809 EMPTY_HOWTO (116),
810 EMPTY_HOWTO (117),
811 EMPTY_HOWTO (118),
812 EMPTY_HOWTO (119),
813 EMPTY_HOWTO (120),
814 EMPTY_HOWTO (121),
815 EMPTY_HOWTO (122),
816 EMPTY_HOWTO (123),
817 EMPTY_HOWTO (124),
818 EMPTY_HOWTO (125),
819 EMPTY_HOWTO (126),
820 EMPTY_HOWTO (127),
821 EMPTY_HOWTO (128),
822 EMPTY_HOWTO (129),
823 EMPTY_HOWTO (130),
824 EMPTY_HOWTO (131),
825 EMPTY_HOWTO (132),
826 EMPTY_HOWTO (133),
827 EMPTY_HOWTO (134),
828 EMPTY_HOWTO (135),
829 EMPTY_HOWTO (136),
830 EMPTY_HOWTO (137),
831 EMPTY_HOWTO (138),
832 EMPTY_HOWTO (139),
833 EMPTY_HOWTO (140),
834 EMPTY_HOWTO (141),
835 EMPTY_HOWTO (142),
836 EMPTY_HOWTO (143),
837
838 HOWTO (R_SH_TLS_GD_32, /* type */
839 0, /* rightshift */
840 2, /* size (0 = byte, 1 = short, 2 = long) */
841 32, /* bitsize */
842 FALSE, /* pc_relative */
843 0, /* bitpos */
844 complain_overflow_bitfield, /* complain_on_overflow */
845 bfd_elf_generic_reloc, /* */
846 "R_SH_TLS_GD_32", /* name */
847 TRUE, /* partial_inplace */
848 0xffffffff, /* src_mask */
849 0xffffffff, /* dst_mask */
850 FALSE), /* pcrel_offset */
851
852 HOWTO (R_SH_TLS_LD_32, /* type */
853 0, /* rightshift */
854 2, /* size (0 = byte, 1 = short, 2 = long) */
855 32, /* bitsize */
856 FALSE, /* pc_relative */
857 0, /* bitpos */
858 complain_overflow_bitfield, /* complain_on_overflow */
859 bfd_elf_generic_reloc, /* */
860 "R_SH_TLS_LD_32", /* name */
861 TRUE, /* partial_inplace */
862 0xffffffff, /* src_mask */
863 0xffffffff, /* dst_mask */
864 FALSE), /* pcrel_offset */
865
866 HOWTO (R_SH_TLS_LDO_32, /* type */
867 0, /* rightshift */
868 2, /* size (0 = byte, 1 = short, 2 = long) */
869 32, /* bitsize */
870 FALSE, /* pc_relative */
871 0, /* bitpos */
872 complain_overflow_bitfield, /* complain_on_overflow */
873 bfd_elf_generic_reloc, /* */
874 "R_SH_TLS_LDO_32", /* name */
875 TRUE, /* partial_inplace */
876 0xffffffff, /* src_mask */
877 0xffffffff, /* dst_mask */
878 FALSE), /* pcrel_offset */
879
880 HOWTO (R_SH_TLS_IE_32, /* type */
881 0, /* rightshift */
882 2, /* size (0 = byte, 1 = short, 2 = long) */
883 32, /* bitsize */
884 FALSE, /* pc_relative */
885 0, /* bitpos */
886 complain_overflow_bitfield, /* complain_on_overflow */
887 bfd_elf_generic_reloc, /* */
888 "R_SH_TLS_IE_32", /* name */
889 TRUE, /* partial_inplace */
890 0xffffffff, /* src_mask */
891 0xffffffff, /* dst_mask */
892 FALSE), /* pcrel_offset */
893
894 HOWTO (R_SH_TLS_LE_32, /* type */
895 0, /* rightshift */
896 2, /* size (0 = byte, 1 = short, 2 = long) */
897 32, /* bitsize */
898 FALSE, /* pc_relative */
899 0, /* bitpos */
900 complain_overflow_bitfield, /* complain_on_overflow */
901 bfd_elf_generic_reloc, /* */
902 "R_SH_TLS_LE_32", /* name */
903 TRUE, /* partial_inplace */
904 0xffffffff, /* src_mask */
905 0xffffffff, /* dst_mask */
906 FALSE), /* pcrel_offset */
907
908 HOWTO (R_SH_TLS_DTPMOD32, /* type */
909 0, /* rightshift */
910 2, /* size (0 = byte, 1 = short, 2 = long) */
911 32, /* bitsize */
912 FALSE, /* pc_relative */
913 0, /* bitpos */
914 complain_overflow_bitfield, /* complain_on_overflow */
915 bfd_elf_generic_reloc, /* */
916 "R_SH_TLS_DTPMOD32", /* name */
917 TRUE, /* partial_inplace */
918 0xffffffff, /* src_mask */
919 0xffffffff, /* dst_mask */
920 FALSE), /* pcrel_offset */
921
922 HOWTO (R_SH_TLS_DTPOFF32, /* type */
923 0, /* rightshift */
924 2, /* size (0 = byte, 1 = short, 2 = long) */
925 32, /* bitsize */
926 FALSE, /* pc_relative */
927 0, /* bitpos */
928 complain_overflow_bitfield, /* complain_on_overflow */
929 bfd_elf_generic_reloc, /* */
930 "R_SH_TLS_DTPOFF32", /* name */
931 TRUE, /* partial_inplace */
932 0xffffffff, /* src_mask */
933 0xffffffff, /* dst_mask */
934 FALSE), /* pcrel_offset */
935
936 HOWTO (R_SH_TLS_TPOFF32, /* type */
937 0, /* rightshift */
938 2, /* size (0 = byte, 1 = short, 2 = long) */
939 32, /* bitsize */
940 FALSE, /* pc_relative */
941 0, /* bitpos */
942 complain_overflow_bitfield, /* complain_on_overflow */
943 bfd_elf_generic_reloc, /* */
944 "R_SH_TLS_TPOFF32", /* name */
945 TRUE, /* partial_inplace */
946 0xffffffff, /* src_mask */
947 0xffffffff, /* dst_mask */
948 FALSE), /* pcrel_offset */
949
950 EMPTY_HOWTO (152),
951 EMPTY_HOWTO (153),
952 EMPTY_HOWTO (154),
953 EMPTY_HOWTO (155),
954 EMPTY_HOWTO (156),
955 EMPTY_HOWTO (157),
956 EMPTY_HOWTO (158),
957 EMPTY_HOWTO (159),
958
959 HOWTO (R_SH_GOT32, /* type */
960 0, /* rightshift */
961 2, /* size (0 = byte, 1 = short, 2 = long) */
962 32, /* bitsize */
963 FALSE, /* pc_relative */
964 0, /* bitpos */
965 complain_overflow_bitfield, /* complain_on_overflow */
966 bfd_elf_generic_reloc, /* */
967 "R_SH_GOT32", /* name */
968 TRUE, /* partial_inplace */
969 0xffffffff, /* src_mask */
970 0xffffffff, /* dst_mask */
971 FALSE), /* pcrel_offset */
972
973 HOWTO (R_SH_PLT32, /* type */
974 0, /* rightshift */
975 2, /* size (0 = byte, 1 = short, 2 = long) */
976 32, /* bitsize */
977 TRUE, /* pc_relative */
978 0, /* bitpos */
979 complain_overflow_bitfield, /* complain_on_overflow */
980 bfd_elf_generic_reloc, /* */
981 "R_SH_PLT32", /* name */
982 TRUE, /* partial_inplace */
983 0xffffffff, /* src_mask */
984 0xffffffff, /* dst_mask */
985 TRUE), /* pcrel_offset */
986
987 HOWTO (R_SH_COPY, /* type */
988 0, /* rightshift */
989 2, /* size (0 = byte, 1 = short, 2 = long) */
990 32, /* bitsize */
991 FALSE, /* pc_relative */
992 0, /* bitpos */
993 complain_overflow_bitfield, /* complain_on_overflow */
994 bfd_elf_generic_reloc, /* */
995 "R_SH_COPY", /* name */
996 TRUE, /* partial_inplace */
997 0xffffffff, /* src_mask */
998 0xffffffff, /* dst_mask */
999 FALSE), /* pcrel_offset */
1000
1001 HOWTO (R_SH_GLOB_DAT, /* type */
1002 0, /* rightshift */
1003 2, /* size (0 = byte, 1 = short, 2 = long) */
1004 32, /* bitsize */
1005 FALSE, /* pc_relative */
1006 0, /* bitpos */
1007 complain_overflow_bitfield, /* complain_on_overflow */
1008 bfd_elf_generic_reloc, /* */
1009 "R_SH_GLOB_DAT", /* name */
1010 TRUE, /* partial_inplace */
1011 0xffffffff, /* src_mask */
1012 0xffffffff, /* dst_mask */
1013 FALSE), /* pcrel_offset */
1014
1015 HOWTO (R_SH_JMP_SLOT, /* type */
1016 0, /* rightshift */
1017 2, /* size (0 = byte, 1 = short, 2 = long) */
1018 32, /* bitsize */
1019 FALSE, /* pc_relative */
1020 0, /* bitpos */
1021 complain_overflow_bitfield, /* complain_on_overflow */
1022 bfd_elf_generic_reloc, /* */
1023 "R_SH_JMP_SLOT", /* name */
1024 TRUE, /* partial_inplace */
1025 0xffffffff, /* src_mask */
1026 0xffffffff, /* dst_mask */
1027 FALSE), /* pcrel_offset */
1028
1029 HOWTO (R_SH_RELATIVE, /* type */
1030 0, /* rightshift */
1031 2, /* size (0 = byte, 1 = short, 2 = long) */
1032 32, /* bitsize */
1033 FALSE, /* pc_relative */
1034 0, /* bitpos */
1035 complain_overflow_bitfield, /* complain_on_overflow */
1036 bfd_elf_generic_reloc, /* */
1037 "R_SH_RELATIVE", /* name */
1038 TRUE, /* partial_inplace */
1039 0xffffffff, /* src_mask */
1040 0xffffffff, /* dst_mask */
1041 FALSE), /* pcrel_offset */
1042
1043 HOWTO (R_SH_GOTOFF, /* type */
1044 0, /* rightshift */
1045 2, /* size (0 = byte, 1 = short, 2 = long) */
1046 32, /* bitsize */
1047 FALSE, /* pc_relative */
1048 0, /* bitpos */
1049 complain_overflow_bitfield, /* complain_on_overflow */
1050 bfd_elf_generic_reloc, /* */
1051 "R_SH_GOTOFF", /* name */
1052 TRUE, /* partial_inplace */
1053 0xffffffff, /* src_mask */
1054 0xffffffff, /* dst_mask */
1055 FALSE), /* pcrel_offset */
1056
1057 HOWTO (R_SH_GOTPC, /* type */
1058 0, /* rightshift */
1059 2, /* size (0 = byte, 1 = short, 2 = long) */
1060 32, /* bitsize */
1061 TRUE, /* pc_relative */
1062 0, /* bitpos */
1063 complain_overflow_bitfield, /* complain_on_overflow */
1064 bfd_elf_generic_reloc, /* */
1065 "R_SH_GOTPC", /* name */
1066 TRUE, /* partial_inplace */
1067 0xffffffff, /* src_mask */
1068 0xffffffff, /* dst_mask */
1069 TRUE), /* pcrel_offset */
1070
1071 HOWTO (R_SH_GOTPLT32, /* type */
1072 0, /* rightshift */
1073 2, /* size (0 = byte, 1 = short, 2 = long) */
1074 32, /* bitsize */
1075 FALSE, /* pc_relative */
1076 0, /* bitpos */
1077 complain_overflow_bitfield, /* complain_on_overflow */
1078 bfd_elf_generic_reloc, /* */
1079 "R_SH_GOTPLT32", /* name */
1080 FALSE, /* partial_inplace */
1081 0xffffffff, /* src_mask */
1082 0xffffffff, /* dst_mask */
1083 FALSE), /* pcrel_offset */
1084
1085 #ifdef INCLUDE_SHMEDIA
1086 /* Used in MOVI and SHORI (x & 65536). */
1087 HOWTO (R_SH_GOT_LOW16, /* type */
1088 0, /* rightshift */
1089 2, /* size (0 = byte, 1 = short, 2 = long) */
1090 64, /* bitsize */
1091 FALSE, /* pc_relative */
1092 10, /* bitpos */
1093 complain_overflow_dont, /* complain_on_overflow */
1094 bfd_elf_generic_reloc, /* special_function */
1095 "R_SH_GOT_LOW16", /* name */
1096 FALSE, /* partial_inplace */
1097 0, /* src_mask */
1098 0x3fffc00, /* dst_mask */
1099 FALSE), /* pcrel_offset */
1100
1101 /* Used in MOVI and SHORI ((x >> 16) & 65536). */
1102 HOWTO (R_SH_GOT_MEDLOW16, /* type */
1103 16, /* rightshift */
1104 2, /* size (0 = byte, 1 = short, 2 = long) */
1105 64, /* bitsize */
1106 FALSE, /* pc_relative */
1107 10, /* bitpos */
1108 complain_overflow_dont, /* complain_on_overflow */
1109 bfd_elf_generic_reloc, /* special_function */
1110 "R_SH_GOT_MEDLOW16", /* name */
1111 FALSE, /* partial_inplace */
1112 0, /* src_mask */
1113 0x3fffc00, /* dst_mask */
1114 FALSE), /* pcrel_offset */
1115
1116 /* Used in MOVI and SHORI ((x >> 32) & 65536). */
1117 HOWTO (R_SH_GOT_MEDHI16, /* type */
1118 32, /* rightshift */
1119 2, /* size (0 = byte, 1 = short, 2 = long) */
1120 64, /* bitsize */
1121 FALSE, /* pc_relative */
1122 10, /* bitpos */
1123 complain_overflow_dont, /* complain_on_overflow */
1124 bfd_elf_generic_reloc, /* special_function */
1125 "R_SH_GOT_MEDHI16", /* name */
1126 FALSE, /* partial_inplace */
1127 0, /* src_mask */
1128 0x3fffc00, /* dst_mask */
1129 FALSE), /* pcrel_offset */
1130
1131 /* Used in MOVI and SHORI ((x >> 48) & 65536). */
1132 HOWTO (R_SH_GOT_HI16, /* type */
1133 48, /* rightshift */
1134 2, /* size (0 = byte, 1 = short, 2 = long) */
1135 64, /* bitsize */
1136 FALSE, /* pc_relative */
1137 10, /* bitpos */
1138 complain_overflow_dont, /* complain_on_overflow */
1139 bfd_elf_generic_reloc, /* special_function */
1140 "R_SH_GOT_HI16", /* name */
1141 FALSE, /* partial_inplace */
1142 0, /* src_mask */
1143 0x3fffc00, /* dst_mask */
1144 FALSE), /* pcrel_offset */
1145
1146 /* Used in MOVI and SHORI (x & 65536). */
1147 HOWTO (R_SH_GOTPLT_LOW16, /* type */
1148 0, /* rightshift */
1149 2, /* size (0 = byte, 1 = short, 2 = long) */
1150 64, /* bitsize */
1151 FALSE, /* pc_relative */
1152 10, /* bitpos */
1153 complain_overflow_dont, /* complain_on_overflow */
1154 bfd_elf_generic_reloc, /* special_function */
1155 "R_SH_GOTPLT_LOW16", /* name */
1156 FALSE, /* partial_inplace */
1157 0, /* src_mask */
1158 0x3fffc00, /* dst_mask */
1159 FALSE), /* pcrel_offset */
1160
1161 /* Used in MOVI and SHORI ((x >> 16) & 65536). */
1162 HOWTO (R_SH_GOTPLT_MEDLOW16, /* type */
1163 16, /* rightshift */
1164 2, /* size (0 = byte, 1 = short, 2 = long) */
1165 64, /* bitsize */
1166 FALSE, /* pc_relative */
1167 10, /* bitpos */
1168 complain_overflow_dont, /* complain_on_overflow */
1169 bfd_elf_generic_reloc, /* special_function */
1170 "R_SH_GOTPLT_MEDLOW16", /* name */
1171 FALSE, /* partial_inplace */
1172 0, /* src_mask */
1173 0x3fffc00, /* dst_mask */
1174 FALSE), /* pcrel_offset */
1175
1176 /* Used in MOVI and SHORI ((x >> 32) & 65536). */
1177 HOWTO (R_SH_GOTPLT_MEDHI16, /* type */
1178 32, /* rightshift */
1179 2, /* size (0 = byte, 1 = short, 2 = long) */
1180 64, /* bitsize */
1181 FALSE, /* pc_relative */
1182 10, /* bitpos */
1183 complain_overflow_dont, /* complain_on_overflow */
1184 bfd_elf_generic_reloc, /* special_function */
1185 "R_SH_GOTPLT_MEDHI16", /* name */
1186 FALSE, /* partial_inplace */
1187 0, /* src_mask */
1188 0x3fffc00, /* dst_mask */
1189 FALSE), /* pcrel_offset */
1190
1191 /* Used in MOVI and SHORI ((x >> 48) & 65536). */
1192 HOWTO (R_SH_GOTPLT_HI16, /* type */
1193 48, /* rightshift */
1194 2, /* size (0 = byte, 1 = short, 2 = long) */
1195 64, /* bitsize */
1196 FALSE, /* pc_relative */
1197 10, /* bitpos */
1198 complain_overflow_dont, /* complain_on_overflow */
1199 bfd_elf_generic_reloc, /* special_function */
1200 "R_SH_GOTPLT_HI16", /* name */
1201 FALSE, /* partial_inplace */
1202 0, /* src_mask */
1203 0x3fffc00, /* dst_mask */
1204 FALSE), /* pcrel_offset */
1205
1206 /* Used in MOVI and SHORI (x & 65536). */
1207 HOWTO (R_SH_PLT_LOW16, /* type */
1208 0, /* rightshift */
1209 2, /* size (0 = byte, 1 = short, 2 = long) */
1210 64, /* bitsize */
1211 TRUE, /* pc_relative */
1212 10, /* bitpos */
1213 complain_overflow_dont, /* complain_on_overflow */
1214 bfd_elf_generic_reloc, /* special_function */
1215 "R_SH_PLT_LOW16", /* name */
1216 FALSE, /* partial_inplace */
1217 0, /* src_mask */
1218 0x3fffc00, /* dst_mask */
1219 TRUE), /* pcrel_offset */
1220
1221 /* Used in MOVI and SHORI ((x >> 16) & 65536). */
1222 HOWTO (R_SH_PLT_MEDLOW16, /* type */
1223 16, /* rightshift */
1224 2, /* size (0 = byte, 1 = short, 2 = long) */
1225 64, /* bitsize */
1226 TRUE, /* pc_relative */
1227 10, /* bitpos */
1228 complain_overflow_dont, /* complain_on_overflow */
1229 bfd_elf_generic_reloc, /* special_function */
1230 "R_SH_PLT_MEDLOW16", /* name */
1231 FALSE, /* partial_inplace */
1232 0, /* src_mask */
1233 0x3fffc00, /* dst_mask */
1234 TRUE), /* pcrel_offset */
1235
1236 /* Used in MOVI and SHORI ((x >> 32) & 65536). */
1237 HOWTO (R_SH_PLT_MEDHI16, /* type */
1238 32, /* rightshift */
1239 2, /* size (0 = byte, 1 = short, 2 = long) */
1240 64, /* bitsize */
1241 TRUE, /* pc_relative */
1242 10, /* bitpos */
1243 complain_overflow_dont, /* complain_on_overflow */
1244 bfd_elf_generic_reloc, /* special_function */
1245 "R_SH_PLT_MEDHI16", /* name */
1246 FALSE, /* partial_inplace */
1247 0, /* src_mask */
1248 0x3fffc00, /* dst_mask */
1249 TRUE), /* pcrel_offset */
1250
1251 /* Used in MOVI and SHORI ((x >> 48) & 65536). */
1252 HOWTO (R_SH_PLT_HI16, /* type */
1253 48, /* rightshift */
1254 2, /* size (0 = byte, 1 = short, 2 = long) */
1255 64, /* bitsize */
1256 TRUE, /* pc_relative */
1257 10, /* bitpos */
1258 complain_overflow_dont, /* complain_on_overflow */
1259 bfd_elf_generic_reloc, /* special_function */
1260 "R_SH_PLT_HI16", /* name */
1261 FALSE, /* partial_inplace */
1262 0, /* src_mask */
1263 0x3fffc00, /* dst_mask */
1264 TRUE), /* pcrel_offset */
1265
1266 /* Used in MOVI and SHORI (x & 65536). */
1267 HOWTO (R_SH_GOTOFF_LOW16, /* type */
1268 0, /* rightshift */
1269 2, /* size (0 = byte, 1 = short, 2 = long) */
1270 64, /* bitsize */
1271 FALSE, /* pc_relative */
1272 10, /* bitpos */
1273 complain_overflow_dont, /* complain_on_overflow */
1274 bfd_elf_generic_reloc, /* special_function */
1275 "R_SH_GOTOFF_LOW16", /* name */
1276 FALSE, /* partial_inplace */
1277 0, /* src_mask */
1278 0x3fffc00, /* dst_mask */
1279 FALSE), /* pcrel_offset */
1280
1281 /* Used in MOVI and SHORI ((x >> 16) & 65536). */
1282 HOWTO (R_SH_GOTOFF_MEDLOW16, /* type */
1283 16, /* rightshift */
1284 2, /* size (0 = byte, 1 = short, 2 = long) */
1285 64, /* bitsize */
1286 FALSE, /* pc_relative */
1287 10, /* bitpos */
1288 complain_overflow_dont, /* complain_on_overflow */
1289 bfd_elf_generic_reloc, /* special_function */
1290 "R_SH_GOTOFF_MEDLOW16", /* name */
1291 FALSE, /* partial_inplace */
1292 0, /* src_mask */
1293 0x3fffc00, /* dst_mask */
1294 FALSE), /* pcrel_offset */
1295
1296 /* Used in MOVI and SHORI ((x >> 32) & 65536). */
1297 HOWTO (R_SH_GOTOFF_MEDHI16, /* type */
1298 32, /* rightshift */
1299 2, /* size (0 = byte, 1 = short, 2 = long) */
1300 64, /* bitsize */
1301 FALSE, /* pc_relative */
1302 10, /* bitpos */
1303 complain_overflow_dont, /* complain_on_overflow */
1304 bfd_elf_generic_reloc, /* special_function */
1305 "R_SH_GOTOFF_MEDHI16", /* name */
1306 FALSE, /* partial_inplace */
1307 0, /* src_mask */
1308 0x3fffc00, /* dst_mask */
1309 FALSE), /* pcrel_offset */
1310
1311 /* Used in MOVI and SHORI ((x >> 48) & 65536). */
1312 HOWTO (R_SH_GOTOFF_HI16, /* type */
1313 48, /* rightshift */
1314 2, /* size (0 = byte, 1 = short, 2 = long) */
1315 64, /* bitsize */
1316 FALSE, /* pc_relative */
1317 10, /* bitpos */
1318 complain_overflow_dont, /* complain_on_overflow */
1319 bfd_elf_generic_reloc, /* special_function */
1320 "R_SH_GOTOFF_HI16", /* name */
1321 FALSE, /* partial_inplace */
1322 0, /* src_mask */
1323 0x3fffc00, /* dst_mask */
1324 FALSE), /* pcrel_offset */
1325
1326 /* Used in MOVI and SHORI (x & 65536). */
1327 HOWTO (R_SH_GOTPC_LOW16, /* type */
1328 0, /* rightshift */
1329 2, /* size (0 = byte, 1 = short, 2 = long) */
1330 64, /* bitsize */
1331 TRUE, /* pc_relative */
1332 10, /* bitpos */
1333 complain_overflow_dont, /* complain_on_overflow */
1334 bfd_elf_generic_reloc, /* special_function */
1335 "R_SH_GOTPC_LOW16", /* name */
1336 FALSE, /* partial_inplace */
1337 0, /* src_mask */
1338 0x3fffc00, /* dst_mask */
1339 TRUE), /* pcrel_offset */
1340
1341 /* Used in MOVI and SHORI ((x >> 16) & 65536). */
1342 HOWTO (R_SH_GOTPC_MEDLOW16, /* type */
1343 16, /* rightshift */
1344 2, /* size (0 = byte, 1 = short, 2 = long) */
1345 64, /* bitsize */
1346 TRUE, /* pc_relative */
1347 10, /* bitpos */
1348 complain_overflow_dont, /* complain_on_overflow */
1349 bfd_elf_generic_reloc, /* special_function */
1350 "R_SH_GOTPC_MEDLOW16", /* name */
1351 FALSE, /* partial_inplace */
1352 0, /* src_mask */
1353 0x3fffc00, /* dst_mask */
1354 TRUE), /* pcrel_offset */
1355
1356 /* Used in MOVI and SHORI ((x >> 32) & 65536). */
1357 HOWTO (R_SH_GOTPC_MEDHI16, /* type */
1358 32, /* rightshift */
1359 2, /* size (0 = byte, 1 = short, 2 = long) */
1360 64, /* bitsize */
1361 TRUE, /* pc_relative */
1362 10, /* bitpos */
1363 complain_overflow_dont, /* complain_on_overflow */
1364 bfd_elf_generic_reloc, /* special_function */
1365 "R_SH_GOTPC_MEDHI16", /* name */
1366 FALSE, /* partial_inplace */
1367 0, /* src_mask */
1368 0x3fffc00, /* dst_mask */
1369 TRUE), /* pcrel_offset */
1370
1371 /* Used in MOVI and SHORI ((x >> 48) & 65536). */
1372 HOWTO (R_SH_GOTPC_HI16, /* type */
1373 48, /* rightshift */
1374 2, /* size (0 = byte, 1 = short, 2 = long) */
1375 64, /* bitsize */
1376 TRUE, /* pc_relative */
1377 10, /* bitpos */
1378 complain_overflow_dont, /* complain_on_overflow */
1379 bfd_elf_generic_reloc, /* special_function */
1380 "R_SH_GOTPC_HI16", /* name */
1381 FALSE, /* partial_inplace */
1382 0, /* src_mask */
1383 0x3fffc00, /* dst_mask */
1384 TRUE), /* pcrel_offset */
1385
1386 /* Used in LD.L, FLD.S et al. */
1387 HOWTO (R_SH_GOT10BY4, /* type */
1388 2, /* rightshift */
1389 2, /* size (0 = byte, 1 = short, 2 = long) */
1390 12, /* bitsize */
1391 FALSE, /* pc_relative */
1392 10, /* bitpos */
1393 complain_overflow_signed, /* complain_on_overflow */
1394 bfd_elf_generic_reloc, /* special_function */
1395 "R_SH_GOT10BY4", /* name */
1396 FALSE, /* partial_inplace */
1397 0, /* src_mask */
1398 0xffc00, /* dst_mask */
1399 FALSE), /* pcrel_offset */
1400
1401 /* Used in LD.L, FLD.S et al. */
1402 HOWTO (R_SH_GOTPLT10BY4, /* type */
1403 2, /* rightshift */
1404 2, /* size (0 = byte, 1 = short, 2 = long) */
1405 12, /* bitsize */
1406 FALSE, /* pc_relative */
1407 10, /* bitpos */
1408 complain_overflow_signed, /* complain_on_overflow */
1409 bfd_elf_generic_reloc, /* special_function */
1410 "R_SH_GOTPLT10BY4", /* name */
1411 FALSE, /* partial_inplace */
1412 0, /* src_mask */
1413 0xffc00, /* dst_mask */
1414 FALSE), /* pcrel_offset */
1415
1416 /* Used in FLD.D, FST.P et al. */
1417 HOWTO (R_SH_GOT10BY8, /* type */
1418 3, /* rightshift */
1419 2, /* size (0 = byte, 1 = short, 2 = long) */
1420 13, /* bitsize */
1421 FALSE, /* pc_relative */
1422 10, /* bitpos */
1423 complain_overflow_signed, /* complain_on_overflow */
1424 bfd_elf_generic_reloc, /* special_function */
1425 "R_SH_GOT10BY8", /* name */
1426 FALSE, /* partial_inplace */
1427 0, /* src_mask */
1428 0xffc00, /* dst_mask */
1429 FALSE), /* pcrel_offset */
1430
1431 /* Used in FLD.D, FST.P et al. */
1432 HOWTO (R_SH_GOTPLT10BY8, /* type */
1433 3, /* rightshift */
1434 2, /* size (0 = byte, 1 = short, 2 = long) */
1435 13, /* bitsize */
1436 FALSE, /* pc_relative */
1437 10, /* bitpos */
1438 complain_overflow_signed, /* complain_on_overflow */
1439 bfd_elf_generic_reloc, /* special_function */
1440 "R_SH_GOTPLT10BY8", /* name */
1441 FALSE, /* partial_inplace */
1442 0, /* src_mask */
1443 0xffc00, /* dst_mask */
1444 FALSE), /* pcrel_offset */
1445
1446 HOWTO (R_SH_COPY64, /* type */
1447 0, /* rightshift */
1448 4, /* size (0 = byte, 1 = short, 2 = long) */
1449 64, /* bitsize */
1450 FALSE, /* pc_relative */
1451 0, /* bitpos */
1452 complain_overflow_dont, /* complain_on_overflow */
1453 bfd_elf_generic_reloc, /* special_function */
1454 "R_SH_COPY64", /* name */
1455 FALSE, /* partial_inplace */
1456 0, /* src_mask */
1457 ((bfd_vma) 0) - 1, /* dst_mask */
1458 FALSE), /* pcrel_offset */
1459
1460 HOWTO (R_SH_GLOB_DAT64, /* type */
1461 0, /* rightshift */
1462 4, /* size (0 = byte, 1 = short, 2 = long) */
1463 64, /* bitsize */
1464 FALSE, /* pc_relative */
1465 0, /* bitpos */
1466 complain_overflow_dont, /* complain_on_overflow */
1467 bfd_elf_generic_reloc, /* special_function */
1468 "R_SH_GLOB_DAT64", /* name */
1469 FALSE, /* partial_inplace */
1470 0, /* src_mask */
1471 ((bfd_vma) 0) - 1, /* dst_mask */
1472 FALSE), /* pcrel_offset */
1473
1474 HOWTO (R_SH_JMP_SLOT64, /* type */
1475 0, /* rightshift */
1476 4, /* size (0 = byte, 1 = short, 2 = long) */
1477 64, /* bitsize */
1478 FALSE, /* pc_relative */
1479 0, /* bitpos */
1480 complain_overflow_dont, /* complain_on_overflow */
1481 bfd_elf_generic_reloc, /* special_function */
1482 "R_SH_JMP_SLOT64", /* name */
1483 FALSE, /* partial_inplace */
1484 0, /* src_mask */
1485 ((bfd_vma) 0) - 1, /* dst_mask */
1486 FALSE), /* pcrel_offset */
1487
1488 HOWTO (R_SH_RELATIVE64, /* type */
1489 0, /* rightshift */
1490 4, /* size (0 = byte, 1 = short, 2 = long) */
1491 64, /* bitsize */
1492 FALSE, /* pc_relative */
1493 0, /* bitpos */
1494 complain_overflow_dont, /* complain_on_overflow */
1495 bfd_elf_generic_reloc, /* special_function */
1496 "R_SH_RELATIVE64", /* name */
1497 FALSE, /* partial_inplace */
1498 0, /* src_mask */
1499 ((bfd_vma) 0) - 1, /* dst_mask */
1500 FALSE), /* pcrel_offset */
1501
1502 EMPTY_HOWTO (197),
1503 EMPTY_HOWTO (198),
1504 EMPTY_HOWTO (199),
1505 EMPTY_HOWTO (200),
1506 EMPTY_HOWTO (201),
1507 EMPTY_HOWTO (202),
1508 EMPTY_HOWTO (203),
1509 EMPTY_HOWTO (204),
1510 EMPTY_HOWTO (205),
1511 EMPTY_HOWTO (206),
1512 EMPTY_HOWTO (207),
1513 EMPTY_HOWTO (208),
1514 EMPTY_HOWTO (209),
1515 EMPTY_HOWTO (210),
1516 EMPTY_HOWTO (211),
1517 EMPTY_HOWTO (212),
1518 EMPTY_HOWTO (213),
1519 EMPTY_HOWTO (214),
1520 EMPTY_HOWTO (215),
1521 EMPTY_HOWTO (216),
1522 EMPTY_HOWTO (217),
1523 EMPTY_HOWTO (218),
1524 EMPTY_HOWTO (219),
1525 EMPTY_HOWTO (220),
1526 EMPTY_HOWTO (221),
1527 EMPTY_HOWTO (222),
1528 EMPTY_HOWTO (223),
1529 EMPTY_HOWTO (224),
1530 EMPTY_HOWTO (225),
1531 EMPTY_HOWTO (226),
1532 EMPTY_HOWTO (227),
1533 EMPTY_HOWTO (228),
1534 EMPTY_HOWTO (229),
1535 EMPTY_HOWTO (230),
1536 EMPTY_HOWTO (231),
1537 EMPTY_HOWTO (232),
1538 EMPTY_HOWTO (233),
1539 EMPTY_HOWTO (234),
1540 EMPTY_HOWTO (235),
1541 EMPTY_HOWTO (236),
1542 EMPTY_HOWTO (237),
1543 EMPTY_HOWTO (238),
1544 EMPTY_HOWTO (239),
1545 EMPTY_HOWTO (240),
1546 EMPTY_HOWTO (241),
1547
1548 /* Relocations for SHmedia code. None of these are partial_inplace or
1549 use the field being relocated (except R_SH_PT_16). */
1550
1551 /* The assembler will generate this reloc before a block of SHmedia
1552 instructions. A section should be processed as assuming it contains
1553 data, unless this reloc is seen. Note that a block of SHcompact
1554 instructions are instead preceded by R_SH_CODE.
1555 This is currently not implemented, but should be used for SHmedia
1556 linker relaxation. */
1557 HOWTO (R_SH_SHMEDIA_CODE, /* type */
1558 0, /* rightshift */
1559 1, /* size (0 = byte, 1 = short, 2 = long) */
1560 0, /* bitsize */
1561 FALSE, /* pc_relative */
1562 0, /* bitpos */
1563 complain_overflow_unsigned, /* complain_on_overflow */
1564 sh_elf_ignore_reloc, /* special_function */
1565 "R_SH_SHMEDIA_CODE", /* name */
1566 FALSE, /* partial_inplace */
1567 0, /* src_mask */
1568 0, /* dst_mask */
1569 FALSE), /* pcrel_offset */
1570
1571 /* The assembler will generate this reloc at a PTA or PTB instruction,
1572 and the linker checks the right type of target, or changes a PTA to a
1573 PTB, if the original insn was PT. */
1574 HOWTO (R_SH_PT_16, /* type */
1575 2, /* rightshift */
1576 2, /* size (0 = byte, 1 = short, 2 = long) */
1577 18, /* bitsize */
1578 TRUE, /* pc_relative */
1579 10, /* bitpos */
1580 complain_overflow_signed, /* complain_on_overflow */
1581 bfd_elf_generic_reloc, /* special_function */
1582 "R_SH_PT_16", /* name */
1583 FALSE, /* partial_inplace */
1584 0, /* src_mask */
1585 0x3fffc00, /* dst_mask */
1586 TRUE), /* pcrel_offset */
1587
1588 /* Used in unexpanded MOVI. */
1589 HOWTO (R_SH_IMMS16, /* type */
1590 0, /* rightshift */
1591 2, /* size (0 = byte, 1 = short, 2 = long) */
1592 16, /* bitsize */
1593 FALSE, /* pc_relative */
1594 10, /* bitpos */
1595 complain_overflow_signed, /* complain_on_overflow */
1596 bfd_elf_generic_reloc, /* special_function */
1597 "R_SH_IMMS16", /* name */
1598 FALSE, /* partial_inplace */
1599 0, /* src_mask */
1600 0x3fffc00, /* dst_mask */
1601 FALSE), /* pcrel_offset */
1602
1603 /* Used in SHORI. */
1604 HOWTO (R_SH_IMMU16, /* type */
1605 0, /* rightshift */
1606 2, /* size (0 = byte, 1 = short, 2 = long) */
1607 16, /* bitsize */
1608 FALSE, /* pc_relative */
1609 10, /* bitpos */
1610 complain_overflow_unsigned, /* complain_on_overflow */
1611 bfd_elf_generic_reloc, /* special_function */
1612 "R_SH_IMMU16", /* name */
1613 FALSE, /* partial_inplace */
1614 0, /* src_mask */
1615 0x3fffc00, /* dst_mask */
1616 FALSE), /* pcrel_offset */
1617
1618 /* Used in MOVI and SHORI (x & 65536). */
1619 HOWTO (R_SH_IMM_LOW16, /* type */
1620 0, /* rightshift */
1621 2, /* size (0 = byte, 1 = short, 2 = long) */
1622 64, /* bitsize */
1623 FALSE, /* pc_relative */
1624 10, /* bitpos */
1625 complain_overflow_dont, /* complain_on_overflow */
1626 bfd_elf_generic_reloc, /* special_function */
1627 "R_SH_IMM_LOW16", /* name */
1628 FALSE, /* partial_inplace */
1629 0, /* src_mask */
1630 0x3fffc00, /* dst_mask */
1631 FALSE), /* pcrel_offset */
1632
1633 /* Used in MOVI and SHORI ((x - $) & 65536). */
1634 HOWTO (R_SH_IMM_LOW16_PCREL, /* type */
1635 0, /* rightshift */
1636 2, /* size (0 = byte, 1 = short, 2 = long) */
1637 64, /* bitsize */
1638 TRUE, /* pc_relative */
1639 10, /* bitpos */
1640 complain_overflow_dont, /* complain_on_overflow */
1641 bfd_elf_generic_reloc, /* special_function */
1642 "R_SH_IMM_LOW16_PCREL", /* name */
1643 FALSE, /* partial_inplace */
1644 0, /* src_mask */
1645 0x3fffc00, /* dst_mask */
1646 TRUE), /* pcrel_offset */
1647
1648 /* Used in MOVI and SHORI ((x >> 16) & 65536). */
1649 HOWTO (R_SH_IMM_MEDLOW16, /* type */
1650 16, /* rightshift */
1651 2, /* size (0 = byte, 1 = short, 2 = long) */
1652 64, /* bitsize */
1653 FALSE, /* pc_relative */
1654 10, /* bitpos */
1655 complain_overflow_dont, /* complain_on_overflow */
1656 bfd_elf_generic_reloc, /* special_function */
1657 "R_SH_IMM_MEDLOW16", /* name */
1658 FALSE, /* partial_inplace */
1659 0, /* src_mask */
1660 0x3fffc00, /* dst_mask */
1661 FALSE), /* pcrel_offset */
1662
1663 /* Used in MOVI and SHORI (((x - $) >> 16) & 65536). */
1664 HOWTO (R_SH_IMM_MEDLOW16_PCREL, /* type */
1665 16, /* rightshift */
1666 2, /* size (0 = byte, 1 = short, 2 = long) */
1667 64, /* bitsize */
1668 TRUE, /* pc_relative */
1669 10, /* bitpos */
1670 complain_overflow_dont, /* complain_on_overflow */
1671 bfd_elf_generic_reloc, /* special_function */
1672 "R_SH_IMM_MEDLOW16_PCREL", /* name */
1673 FALSE, /* partial_inplace */
1674 0, /* src_mask */
1675 0x3fffc00, /* dst_mask */
1676 TRUE), /* pcrel_offset */
1677
1678 /* Used in MOVI and SHORI ((x >> 32) & 65536). */
1679 HOWTO (R_SH_IMM_MEDHI16, /* type */
1680 32, /* rightshift */
1681 2, /* size (0 = byte, 1 = short, 2 = long) */
1682 64, /* bitsize */
1683 FALSE, /* pc_relative */
1684 10, /* bitpos */
1685 complain_overflow_dont, /* complain_on_overflow */
1686 bfd_elf_generic_reloc, /* special_function */
1687 "R_SH_IMM_MEDHI16", /* name */
1688 FALSE, /* partial_inplace */
1689 0, /* src_mask */
1690 0x3fffc00, /* dst_mask */
1691 FALSE), /* pcrel_offset */
1692
1693 /* Used in MOVI and SHORI (((x - $) >> 32) & 65536). */
1694 HOWTO (R_SH_IMM_MEDHI16_PCREL, /* type */
1695 32, /* rightshift */
1696 2, /* size (0 = byte, 1 = short, 2 = long) */
1697 64, /* bitsize */
1698 TRUE, /* pc_relative */
1699 10, /* bitpos */
1700 complain_overflow_dont, /* complain_on_overflow */
1701 bfd_elf_generic_reloc, /* special_function */
1702 "R_SH_IMM_MEDHI16_PCREL", /* name */
1703 FALSE, /* partial_inplace */
1704 0, /* src_mask */
1705 0x3fffc00, /* dst_mask */
1706 TRUE), /* pcrel_offset */
1707
1708 /* Used in MOVI and SHORI ((x >> 48) & 65536). */
1709 HOWTO (R_SH_IMM_HI16, /* type */
1710 48, /* rightshift */
1711 2, /* size (0 = byte, 1 = short, 2 = long) */
1712 64, /* bitsize */
1713 FALSE, /* pc_relative */
1714 10, /* bitpos */
1715 complain_overflow_dont, /* complain_on_overflow */
1716 bfd_elf_generic_reloc, /* special_function */
1717 "R_SH_IMM_HI16", /* name */
1718 FALSE, /* partial_inplace */
1719 0, /* src_mask */
1720 0x3fffc00, /* dst_mask */
1721 FALSE), /* pcrel_offset */
1722
1723 /* Used in MOVI and SHORI (((x - $) >> 48) & 65536). */
1724 HOWTO (R_SH_IMM_HI16_PCREL, /* type */
1725 48, /* rightshift */
1726 2, /* size (0 = byte, 1 = short, 2 = long) */
1727 64, /* bitsize */
1728 TRUE, /* pc_relative */
1729 10, /* bitpos */
1730 complain_overflow_dont, /* complain_on_overflow */
1731 bfd_elf_generic_reloc, /* special_function */
1732 "R_SH_IMM_HI16_PCREL", /* name */
1733 FALSE, /* partial_inplace */
1734 0, /* src_mask */
1735 0x3fffc00, /* dst_mask */
1736 TRUE), /* pcrel_offset */
1737
1738 /* For the .uaquad pseudo. */
1739 HOWTO (R_SH_64, /* type */
1740 0, /* rightshift */
1741 4, /* size (0 = byte, 1 = short, 2 = long) */
1742 64, /* bitsize */
1743 FALSE, /* pc_relative */
1744 0, /* bitpos */
1745 complain_overflow_dont, /* complain_on_overflow */
1746 bfd_elf_generic_reloc, /* special_function */
1747 "R_SH_64", /* name */
1748 FALSE, /* partial_inplace */
1749 0, /* src_mask */
1750 ((bfd_vma) 0) - 1, /* dst_mask */
1751 FALSE), /* pcrel_offset */
1752
1753 /* For the .uaquad pseudo, (x - $). */
1754 HOWTO (R_SH_64_PCREL, /* type */
1755 48, /* rightshift */
1756 2, /* size (0 = byte, 1 = short, 2 = long) */
1757 64, /* bitsize */
1758 TRUE, /* pc_relative */
1759 10, /* bitpos */
1760 complain_overflow_dont, /* complain_on_overflow */
1761 bfd_elf_generic_reloc, /* special_function */
1762 "R_SH_64_PCREL", /* name */
1763 FALSE, /* partial_inplace */
1764 0, /* src_mask */
1765 ((bfd_vma) 0) - 1, /* dst_mask */
1766 TRUE), /* pcrel_offset */
1767
1768 #endif
1769 };
1770
1771 static bfd_reloc_status_type
1772 sh_elf_reloc_loop (int r_type ATTRIBUTE_UNUSED, bfd *input_bfd,
1773 asection *input_section, bfd_byte *contents,
1774 bfd_vma addr, asection *symbol_section,
1775 bfd_vma start, bfd_vma end)
1776 {
1777 static bfd_vma last_addr;
1778 static asection *last_symbol_section;
1779 bfd_byte *start_ptr, *ptr, *last_ptr;
1780 int diff, cum_diff;
1781 bfd_signed_vma x;
1782 int insn;
1783
1784 /* Sanity check the address. */
1785 if (addr > bfd_get_section_limit (input_bfd, input_section))
1786 return bfd_reloc_outofrange;
1787
1788 /* We require the start and end relocations to be processed consecutively -
1789 although we allow then to be processed forwards or backwards. */
1790 if (! last_addr)
1791 {
1792 last_addr = addr;
1793 last_symbol_section = symbol_section;
1794 return bfd_reloc_ok;
1795 }
1796 if (last_addr != addr)
1797 abort ();
1798 last_addr = 0;
1799
1800 if (! symbol_section || last_symbol_section != symbol_section || end < start)
1801 return bfd_reloc_outofrange;
1802
1803 /* Get the symbol_section contents. */
1804 if (symbol_section != input_section)
1805 {
1806 if (elf_section_data (symbol_section)->this_hdr.contents != NULL)
1807 contents = elf_section_data (symbol_section)->this_hdr.contents;
1808 else
1809 {
1810 if (!bfd_malloc_and_get_section (input_bfd, symbol_section,
1811 &contents))
1812 {
1813 if (contents != NULL)
1814 free (contents);
1815 return bfd_reloc_outofrange;
1816 }
1817 }
1818 }
1819 #define IS_PPI(PTR) ((bfd_get_16 (input_bfd, (PTR)) & 0xfc00) == 0xf800)
1820 start_ptr = contents + start;
1821 for (cum_diff = -6, ptr = contents + end; cum_diff < 0 && ptr > start_ptr;)
1822 {
1823 for (last_ptr = ptr, ptr -= 4; ptr >= start_ptr && IS_PPI (ptr);)
1824 ptr -= 2;
1825 ptr += 2;
1826 diff = (last_ptr - ptr) >> 1;
1827 cum_diff += diff & 1;
1828 cum_diff += diff;
1829 }
1830 /* Calculate the start / end values to load into rs / re minus four -
1831 so that will cancel out the four we would otherwise have to add to
1832 addr to get the value to subtract in order to get relative addressing. */
1833 if (cum_diff >= 0)
1834 {
1835 start -= 4;
1836 end = (ptr + cum_diff * 2) - contents;
1837 }
1838 else
1839 {
1840 bfd_vma start0 = start - 4;
1841
1842 while (start0 && IS_PPI (contents + start0))
1843 start0 -= 2;
1844 start0 = start - 2 - ((start - start0) & 2);
1845 start = start0 - cum_diff - 2;
1846 end = start0;
1847 }
1848
1849 if (contents != NULL
1850 && elf_section_data (symbol_section)->this_hdr.contents != contents)
1851 free (contents);
1852
1853 insn = bfd_get_16 (input_bfd, contents + addr);
1854
1855 x = (insn & 0x200 ? end : start) - addr;
1856 if (input_section != symbol_section)
1857 x += ((symbol_section->output_section->vma + symbol_section->output_offset)
1858 - (input_section->output_section->vma
1859 + input_section->output_offset));
1860 x >>= 1;
1861 if (x < -128 || x > 127)
1862 return bfd_reloc_overflow;
1863
1864 x = (insn & ~0xff) | (x & 0xff);
1865 bfd_put_16 (input_bfd, (bfd_vma) x, contents + addr);
1866
1867 return bfd_reloc_ok;
1868 }
1869
1870 /* This function is used for normal relocs. This used to be like the COFF
1871 function, and is almost certainly incorrect for other ELF targets. */
1872
1873 static bfd_reloc_status_type
1874 sh_elf_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol_in,
1875 void *data, asection *input_section, bfd *output_bfd,
1876 char **error_message ATTRIBUTE_UNUSED)
1877 {
1878 unsigned long insn;
1879 bfd_vma sym_value;
1880 enum elf_sh_reloc_type r_type;
1881 bfd_vma addr = reloc_entry->address;
1882 bfd_byte *hit_data = addr + (bfd_byte *) data;
1883
1884 r_type = (enum elf_sh_reloc_type) reloc_entry->howto->type;
1885
1886 if (output_bfd != NULL)
1887 {
1888 /* Partial linking--do nothing. */
1889 reloc_entry->address += input_section->output_offset;
1890 return bfd_reloc_ok;
1891 }
1892
1893 /* Almost all relocs have to do with relaxing. If any work must be
1894 done for them, it has been done in sh_relax_section. */
1895 if (r_type == R_SH_IND12W && (symbol_in->flags & BSF_LOCAL) != 0)
1896 return bfd_reloc_ok;
1897
1898 if (symbol_in != NULL
1899 && bfd_is_und_section (symbol_in->section))
1900 return bfd_reloc_undefined;
1901
1902 if (bfd_is_com_section (symbol_in->section))
1903 sym_value = 0;
1904 else
1905 sym_value = (symbol_in->value +
1906 symbol_in->section->output_section->vma +
1907 symbol_in->section->output_offset);
1908
1909 switch (r_type)
1910 {
1911 case R_SH_DIR32:
1912 insn = bfd_get_32 (abfd, hit_data);
1913 insn += sym_value + reloc_entry->addend;
1914 bfd_put_32 (abfd, (bfd_vma) insn, hit_data);
1915 break;
1916 case R_SH_IND12W:
1917 insn = bfd_get_16 (abfd, hit_data);
1918 sym_value += reloc_entry->addend;
1919 sym_value -= (input_section->output_section->vma
1920 + input_section->output_offset
1921 + addr
1922 + 4);
1923 sym_value += (insn & 0xfff) << 1;
1924 if (insn & 0x800)
1925 sym_value -= 0x1000;
1926 insn = (insn & 0xf000) | (sym_value & 0xfff);
1927 bfd_put_16 (abfd, (bfd_vma) insn, hit_data);
1928 if (sym_value < (bfd_vma) -0x1000 || sym_value >= 0x1000)
1929 return bfd_reloc_overflow;
1930 break;
1931 default:
1932 abort ();
1933 break;
1934 }
1935
1936 return bfd_reloc_ok;
1937 }
1938
1939 /* This function is used for relocs which are only used for relaxing,
1940 which the linker should otherwise ignore. */
1941
1942 static bfd_reloc_status_type
1943 sh_elf_ignore_reloc (bfd *abfd ATTRIBUTE_UNUSED, arelent *reloc_entry,
1944 asymbol *symbol ATTRIBUTE_UNUSED,
1945 void *data ATTRIBUTE_UNUSED, asection *input_section,
1946 bfd *output_bfd,
1947 char **error_message ATTRIBUTE_UNUSED)
1948 {
1949 if (output_bfd != NULL)
1950 reloc_entry->address += input_section->output_offset;
1951 return bfd_reloc_ok;
1952 }
1953
1954 /* This structure is used to map BFD reloc codes to SH ELF relocs. */
1955
1956 struct elf_reloc_map
1957 {
1958 bfd_reloc_code_real_type bfd_reloc_val;
1959 unsigned char elf_reloc_val;
1960 };
1961
1962 /* An array mapping BFD reloc codes to SH ELF relocs. */
1963
1964 static const struct elf_reloc_map sh_reloc_map[] =
1965 {
1966 { BFD_RELOC_NONE, R_SH_NONE },
1967 { BFD_RELOC_32, R_SH_DIR32 },
1968 { BFD_RELOC_16, R_SH_DIR16 },
1969 { BFD_RELOC_8, R_SH_DIR8 },
1970 { BFD_RELOC_CTOR, R_SH_DIR32 },
1971 { BFD_RELOC_32_PCREL, R_SH_REL32 },
1972 { BFD_RELOC_SH_PCDISP8BY2, R_SH_DIR8WPN },
1973 { BFD_RELOC_SH_PCDISP12BY2, R_SH_IND12W },
1974 { BFD_RELOC_SH_PCRELIMM8BY2, R_SH_DIR8WPZ },
1975 { BFD_RELOC_SH_PCRELIMM8BY4, R_SH_DIR8WPL },
1976 { BFD_RELOC_8_PCREL, R_SH_SWITCH8 },
1977 { BFD_RELOC_SH_SWITCH16, R_SH_SWITCH16 },
1978 { BFD_RELOC_SH_SWITCH32, R_SH_SWITCH32 },
1979 { BFD_RELOC_SH_USES, R_SH_USES },
1980 { BFD_RELOC_SH_COUNT, R_SH_COUNT },
1981 { BFD_RELOC_SH_ALIGN, R_SH_ALIGN },
1982 { BFD_RELOC_SH_CODE, R_SH_CODE },
1983 { BFD_RELOC_SH_DATA, R_SH_DATA },
1984 { BFD_RELOC_SH_LABEL, R_SH_LABEL },
1985 { BFD_RELOC_VTABLE_INHERIT, R_SH_GNU_VTINHERIT },
1986 { BFD_RELOC_VTABLE_ENTRY, R_SH_GNU_VTENTRY },
1987 { BFD_RELOC_SH_LOOP_START, R_SH_LOOP_START },
1988 { BFD_RELOC_SH_LOOP_END, R_SH_LOOP_END },
1989 { BFD_RELOC_SH_TLS_GD_32, R_SH_TLS_GD_32 },
1990 { BFD_RELOC_SH_TLS_LD_32, R_SH_TLS_LD_32 },
1991 { BFD_RELOC_SH_TLS_LDO_32, R_SH_TLS_LDO_32 },
1992 { BFD_RELOC_SH_TLS_IE_32, R_SH_TLS_IE_32 },
1993 { BFD_RELOC_SH_TLS_LE_32, R_SH_TLS_LE_32 },
1994 { BFD_RELOC_SH_TLS_DTPMOD32, R_SH_TLS_DTPMOD32 },
1995 { BFD_RELOC_SH_TLS_DTPOFF32, R_SH_TLS_DTPOFF32 },
1996 { BFD_RELOC_SH_TLS_TPOFF32, R_SH_TLS_TPOFF32 },
1997 { BFD_RELOC_32_GOT_PCREL, R_SH_GOT32 },
1998 { BFD_RELOC_32_PLT_PCREL, R_SH_PLT32 },
1999 { BFD_RELOC_SH_COPY, R_SH_COPY },
2000 { BFD_RELOC_SH_GLOB_DAT, R_SH_GLOB_DAT },
2001 { BFD_RELOC_SH_JMP_SLOT, R_SH_JMP_SLOT },
2002 { BFD_RELOC_SH_RELATIVE, R_SH_RELATIVE },
2003 { BFD_RELOC_32_GOTOFF, R_SH_GOTOFF },
2004 { BFD_RELOC_SH_GOTPC, R_SH_GOTPC },
2005 { BFD_RELOC_SH_GOTPLT32, R_SH_GOTPLT32 },
2006 #ifdef INCLUDE_SHMEDIA
2007 { BFD_RELOC_SH_GOT_LOW16, R_SH_GOT_LOW16 },
2008 { BFD_RELOC_SH_GOT_MEDLOW16, R_SH_GOT_MEDLOW16 },
2009 { BFD_RELOC_SH_GOT_MEDHI16, R_SH_GOT_MEDHI16 },
2010 { BFD_RELOC_SH_GOT_HI16, R_SH_GOT_HI16 },
2011 { BFD_RELOC_SH_GOTPLT_LOW16, R_SH_GOTPLT_LOW16 },
2012 { BFD_RELOC_SH_GOTPLT_MEDLOW16, R_SH_GOTPLT_MEDLOW16 },
2013 { BFD_RELOC_SH_GOTPLT_MEDHI16, R_SH_GOTPLT_MEDHI16 },
2014 { BFD_RELOC_SH_GOTPLT_HI16, R_SH_GOTPLT_HI16 },
2015 { BFD_RELOC_SH_PLT_LOW16, R_SH_PLT_LOW16 },
2016 { BFD_RELOC_SH_PLT_MEDLOW16, R_SH_PLT_MEDLOW16 },
2017 { BFD_RELOC_SH_PLT_MEDHI16, R_SH_PLT_MEDHI16 },
2018 { BFD_RELOC_SH_PLT_HI16, R_SH_PLT_HI16 },
2019 { BFD_RELOC_SH_GOTOFF_LOW16, R_SH_GOTOFF_LOW16 },
2020 { BFD_RELOC_SH_GOTOFF_MEDLOW16, R_SH_GOTOFF_MEDLOW16 },
2021 { BFD_RELOC_SH_GOTOFF_MEDHI16, R_SH_GOTOFF_MEDHI16 },
2022 { BFD_RELOC_SH_GOTOFF_HI16, R_SH_GOTOFF_HI16 },
2023 { BFD_RELOC_SH_GOTPC_LOW16, R_SH_GOTPC_LOW16 },
2024 { BFD_RELOC_SH_GOTPC_MEDLOW16, R_SH_GOTPC_MEDLOW16 },
2025 { BFD_RELOC_SH_GOTPC_MEDHI16, R_SH_GOTPC_MEDHI16 },
2026 { BFD_RELOC_SH_GOTPC_HI16, R_SH_GOTPC_HI16 },
2027 { BFD_RELOC_SH_COPY64, R_SH_COPY64 },
2028 { BFD_RELOC_SH_GLOB_DAT64, R_SH_GLOB_DAT64 },
2029 { BFD_RELOC_SH_JMP_SLOT64, R_SH_JMP_SLOT64 },
2030 { BFD_RELOC_SH_RELATIVE64, R_SH_RELATIVE64 },
2031 { BFD_RELOC_SH_GOT10BY4, R_SH_GOT10BY4 },
2032 { BFD_RELOC_SH_GOT10BY8, R_SH_GOT10BY8 },
2033 { BFD_RELOC_SH_GOTPLT10BY4, R_SH_GOTPLT10BY4 },
2034 { BFD_RELOC_SH_GOTPLT10BY8, R_SH_GOTPLT10BY8 },
2035 { BFD_RELOC_SH_PT_16, R_SH_PT_16 },
2036 { BFD_RELOC_SH_SHMEDIA_CODE, R_SH_SHMEDIA_CODE },
2037 { BFD_RELOC_SH_IMMU5, R_SH_DIR5U },
2038 { BFD_RELOC_SH_IMMS6, R_SH_DIR6S },
2039 { BFD_RELOC_SH_IMMU6, R_SH_DIR6U },
2040 { BFD_RELOC_SH_IMMS10, R_SH_DIR10S },
2041 { BFD_RELOC_SH_IMMS10BY2, R_SH_DIR10SW },
2042 { BFD_RELOC_SH_IMMS10BY4, R_SH_DIR10SL },
2043 { BFD_RELOC_SH_IMMS10BY8, R_SH_DIR10SQ },
2044 { BFD_RELOC_SH_IMMS16, R_SH_IMMS16 },
2045 { BFD_RELOC_SH_IMMU16, R_SH_IMMU16 },
2046 { BFD_RELOC_SH_IMM_LOW16, R_SH_IMM_LOW16 },
2047 { BFD_RELOC_SH_IMM_LOW16_PCREL, R_SH_IMM_LOW16_PCREL },
2048 { BFD_RELOC_SH_IMM_MEDLOW16, R_SH_IMM_MEDLOW16 },
2049 { BFD_RELOC_SH_IMM_MEDLOW16_PCREL, R_SH_IMM_MEDLOW16_PCREL },
2050 { BFD_RELOC_SH_IMM_MEDHI16, R_SH_IMM_MEDHI16 },
2051 { BFD_RELOC_SH_IMM_MEDHI16_PCREL, R_SH_IMM_MEDHI16_PCREL },
2052 { BFD_RELOC_SH_IMM_HI16, R_SH_IMM_HI16 },
2053 { BFD_RELOC_SH_IMM_HI16_PCREL, R_SH_IMM_HI16_PCREL },
2054 { BFD_RELOC_64, R_SH_64 },
2055 { BFD_RELOC_64_PCREL, R_SH_64_PCREL },
2056 #endif /* not INCLUDE_SHMEDIA */
2057 };
2058
2059 /* Given a BFD reloc code, return the howto structure for the
2060 corresponding SH ELf reloc. */
2061
2062 static reloc_howto_type *
2063 sh_elf_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
2064 bfd_reloc_code_real_type code)
2065 {
2066 unsigned int i;
2067
2068 for (i = 0; i < sizeof (sh_reloc_map) / sizeof (struct elf_reloc_map); i++)
2069 {
2070 if (sh_reloc_map[i].bfd_reloc_val == code)
2071 return &sh_elf_howto_table[(int) sh_reloc_map[i].elf_reloc_val];
2072 }
2073
2074 return NULL;
2075 }
2076
2077 /* Given an ELF reloc, fill in the howto field of a relent. */
2078
2079 static void
2080 sh_elf_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *cache_ptr,
2081 Elf_Internal_Rela *dst)
2082 {
2083 unsigned int r;
2084
2085 r = ELF32_R_TYPE (dst->r_info);
2086
2087 BFD_ASSERT (r < (unsigned int) R_SH_max);
2088 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC || r > R_SH_LAST_INVALID_RELOC);
2089 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_2 || r > R_SH_LAST_INVALID_RELOC_2);
2090 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_3 || r > R_SH_LAST_INVALID_RELOC_3);
2091 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_4 || r > R_SH_LAST_INVALID_RELOC_4);
2092 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_5 || r > R_SH_LAST_INVALID_RELOC_5);
2093
2094 cache_ptr->howto = &sh_elf_howto_table[r];
2095 }
2096 \f
2097 /* This function handles relaxing for SH ELF. See the corresponding
2098 function in coff-sh.c for a description of what this does. FIXME:
2099 There is a lot of duplication here between this code and the COFF
2100 specific code. The format of relocs and symbols is wound deeply
2101 into this code, but it would still be better if the duplication
2102 could be eliminated somehow. Note in particular that although both
2103 functions use symbols like R_SH_CODE, those symbols have different
2104 values; in coff-sh.c they come from include/coff/sh.h, whereas here
2105 they come from enum elf_sh_reloc_type in include/elf/sh.h. */
2106
2107 static bfd_boolean
2108 sh_elf_relax_section (bfd *abfd, asection *sec,
2109 struct bfd_link_info *link_info, bfd_boolean *again)
2110 {
2111 Elf_Internal_Shdr *symtab_hdr;
2112 Elf_Internal_Rela *internal_relocs;
2113 bfd_boolean have_code;
2114 Elf_Internal_Rela *irel, *irelend;
2115 bfd_byte *contents = NULL;
2116 Elf_Internal_Sym *isymbuf = NULL;
2117
2118 *again = FALSE;
2119
2120 if (link_info->relocatable
2121 || (sec->flags & SEC_RELOC) == 0
2122 || sec->reloc_count == 0)
2123 return TRUE;
2124
2125 #ifdef INCLUDE_SHMEDIA
2126 if (elf_section_data (sec)->this_hdr.sh_flags
2127 & (SHF_SH5_ISA32 | SHF_SH5_ISA32_MIXED))
2128 {
2129 return TRUE;
2130 }
2131 #endif
2132
2133 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
2134
2135 internal_relocs = (_bfd_elf_link_read_relocs
2136 (abfd, sec, NULL, (Elf_Internal_Rela *) NULL,
2137 link_info->keep_memory));
2138 if (internal_relocs == NULL)
2139 goto error_return;
2140
2141 have_code = FALSE;
2142
2143 irelend = internal_relocs + sec->reloc_count;
2144 for (irel = internal_relocs; irel < irelend; irel++)
2145 {
2146 bfd_vma laddr, paddr, symval;
2147 unsigned short insn;
2148 Elf_Internal_Rela *irelfn, *irelscan, *irelcount;
2149 bfd_signed_vma foff;
2150
2151 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_CODE)
2152 have_code = TRUE;
2153
2154 if (ELF32_R_TYPE (irel->r_info) != (int) R_SH_USES)
2155 continue;
2156
2157 /* Get the section contents. */
2158 if (contents == NULL)
2159 {
2160 if (elf_section_data (sec)->this_hdr.contents != NULL)
2161 contents = elf_section_data (sec)->this_hdr.contents;
2162 else
2163 {
2164 if (!bfd_malloc_and_get_section (abfd, sec, &contents))
2165 goto error_return;
2166 }
2167 }
2168
2169 /* The r_addend field of the R_SH_USES reloc will point us to
2170 the register load. The 4 is because the r_addend field is
2171 computed as though it were a jump offset, which are based
2172 from 4 bytes after the jump instruction. */
2173 laddr = irel->r_offset + 4 + irel->r_addend;
2174 if (laddr >= sec->size)
2175 {
2176 (*_bfd_error_handler) (_("%B: 0x%lx: warning: bad R_SH_USES offset"),
2177 abfd,
2178 (unsigned long) irel->r_offset);
2179 continue;
2180 }
2181 insn = bfd_get_16 (abfd, contents + laddr);
2182
2183 /* If the instruction is not mov.l NN,rN, we don't know what to
2184 do. */
2185 if ((insn & 0xf000) != 0xd000)
2186 {
2187 ((*_bfd_error_handler)
2188 (_("%B: 0x%lx: warning: R_SH_USES points to unrecognized insn 0x%x"),
2189 abfd, (unsigned long) irel->r_offset, insn));
2190 continue;
2191 }
2192
2193 /* Get the address from which the register is being loaded. The
2194 displacement in the mov.l instruction is quadrupled. It is a
2195 displacement from four bytes after the movl instruction, but,
2196 before adding in the PC address, two least significant bits
2197 of the PC are cleared. We assume that the section is aligned
2198 on a four byte boundary. */
2199 paddr = insn & 0xff;
2200 paddr *= 4;
2201 paddr += (laddr + 4) &~ (bfd_vma) 3;
2202 if (paddr >= sec->size)
2203 {
2204 ((*_bfd_error_handler)
2205 (_("%B: 0x%lx: warning: bad R_SH_USES load offset"),
2206 abfd, (unsigned long) irel->r_offset));
2207 continue;
2208 }
2209
2210 /* Get the reloc for the address from which the register is
2211 being loaded. This reloc will tell us which function is
2212 actually being called. */
2213 for (irelfn = internal_relocs; irelfn < irelend; irelfn++)
2214 if (irelfn->r_offset == paddr
2215 && ELF32_R_TYPE (irelfn->r_info) == (int) R_SH_DIR32)
2216 break;
2217 if (irelfn >= irelend)
2218 {
2219 ((*_bfd_error_handler)
2220 (_("%B: 0x%lx: warning: could not find expected reloc"),
2221 abfd, (unsigned long) paddr));
2222 continue;
2223 }
2224
2225 /* Read this BFD's symbols if we haven't done so already. */
2226 if (isymbuf == NULL && symtab_hdr->sh_info != 0)
2227 {
2228 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
2229 if (isymbuf == NULL)
2230 isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
2231 symtab_hdr->sh_info, 0,
2232 NULL, NULL, NULL);
2233 if (isymbuf == NULL)
2234 goto error_return;
2235 }
2236
2237 /* Get the value of the symbol referred to by the reloc. */
2238 if (ELF32_R_SYM (irelfn->r_info) < symtab_hdr->sh_info)
2239 {
2240 /* A local symbol. */
2241 Elf_Internal_Sym *isym;
2242
2243 isym = isymbuf + ELF32_R_SYM (irelfn->r_info);
2244 if (isym->st_shndx
2245 != (unsigned int) _bfd_elf_section_from_bfd_section (abfd, sec))
2246 {
2247 ((*_bfd_error_handler)
2248 (_("%B: 0x%lx: warning: symbol in unexpected section"),
2249 abfd, (unsigned long) paddr));
2250 continue;
2251 }
2252
2253 symval = (isym->st_value
2254 + sec->output_section->vma
2255 + sec->output_offset);
2256 }
2257 else
2258 {
2259 unsigned long indx;
2260 struct elf_link_hash_entry *h;
2261
2262 indx = ELF32_R_SYM (irelfn->r_info) - symtab_hdr->sh_info;
2263 h = elf_sym_hashes (abfd)[indx];
2264 BFD_ASSERT (h != NULL);
2265 if (h->root.type != bfd_link_hash_defined
2266 && h->root.type != bfd_link_hash_defweak)
2267 {
2268 /* This appears to be a reference to an undefined
2269 symbol. Just ignore it--it will be caught by the
2270 regular reloc processing. */
2271 continue;
2272 }
2273
2274 symval = (h->root.u.def.value
2275 + h->root.u.def.section->output_section->vma
2276 + h->root.u.def.section->output_offset);
2277 }
2278
2279 symval += bfd_get_32 (abfd, contents + paddr);
2280
2281 /* See if this function call can be shortened. */
2282 foff = (symval
2283 - (irel->r_offset
2284 + sec->output_section->vma
2285 + sec->output_offset
2286 + 4));
2287 if (foff < -0x1000 || foff >= 0x1000)
2288 {
2289 /* After all that work, we can't shorten this function call. */
2290 continue;
2291 }
2292
2293 /* Shorten the function call. */
2294
2295 /* For simplicity of coding, we are going to modify the section
2296 contents, the section relocs, and the BFD symbol table. We
2297 must tell the rest of the code not to free up this
2298 information. It would be possible to instead create a table
2299 of changes which have to be made, as is done in coff-mips.c;
2300 that would be more work, but would require less memory when
2301 the linker is run. */
2302
2303 elf_section_data (sec)->relocs = internal_relocs;
2304 elf_section_data (sec)->this_hdr.contents = contents;
2305 symtab_hdr->contents = (unsigned char *) isymbuf;
2306
2307 /* Replace the jsr with a bsr. */
2308
2309 /* Change the R_SH_USES reloc into an R_SH_IND12W reloc, and
2310 replace the jsr with a bsr. */
2311 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irelfn->r_info), R_SH_IND12W);
2312 /* We used to test (ELF32_R_SYM (irelfn->r_info) < symtab_hdr->sh_info)
2313 here, but that only checks if the symbol is an external symbol,
2314 not if the symbol is in a different section. Besides, we need
2315 a consistent meaning for the relocation, so we just assume here that
2316 the value of the symbol is not available. */
2317
2318 /* We can't fully resolve this yet, because the external
2319 symbol value may be changed by future relaxing. We let
2320 the final link phase handle it. */
2321 bfd_put_16 (abfd, (bfd_vma) 0xb000, contents + irel->r_offset);
2322
2323 irel->r_addend = -4;
2324
2325 /* See if there is another R_SH_USES reloc referring to the same
2326 register load. */
2327 for (irelscan = internal_relocs; irelscan < irelend; irelscan++)
2328 if (ELF32_R_TYPE (irelscan->r_info) == (int) R_SH_USES
2329 && laddr == irelscan->r_offset + 4 + irelscan->r_addend)
2330 break;
2331 if (irelscan < irelend)
2332 {
2333 /* Some other function call depends upon this register load,
2334 and we have not yet converted that function call.
2335 Indeed, we may never be able to convert it. There is
2336 nothing else we can do at this point. */
2337 continue;
2338 }
2339
2340 /* Look for a R_SH_COUNT reloc on the location where the
2341 function address is stored. Do this before deleting any
2342 bytes, to avoid confusion about the address. */
2343 for (irelcount = internal_relocs; irelcount < irelend; irelcount++)
2344 if (irelcount->r_offset == paddr
2345 && ELF32_R_TYPE (irelcount->r_info) == (int) R_SH_COUNT)
2346 break;
2347
2348 /* Delete the register load. */
2349 if (! sh_elf_relax_delete_bytes (abfd, sec, laddr, 2))
2350 goto error_return;
2351
2352 /* That will change things, so, just in case it permits some
2353 other function call to come within range, we should relax
2354 again. Note that this is not required, and it may be slow. */
2355 *again = TRUE;
2356
2357 /* Now check whether we got a COUNT reloc. */
2358 if (irelcount >= irelend)
2359 {
2360 ((*_bfd_error_handler)
2361 (_("%B: 0x%lx: warning: could not find expected COUNT reloc"),
2362 abfd, (unsigned long) paddr));
2363 continue;
2364 }
2365
2366 /* The number of uses is stored in the r_addend field. We've
2367 just deleted one. */
2368 if (irelcount->r_addend == 0)
2369 {
2370 ((*_bfd_error_handler) (_("%B: 0x%lx: warning: bad count"),
2371 abfd,
2372 (unsigned long) paddr));
2373 continue;
2374 }
2375
2376 --irelcount->r_addend;
2377
2378 /* If there are no more uses, we can delete the address. Reload
2379 the address from irelfn, in case it was changed by the
2380 previous call to sh_elf_relax_delete_bytes. */
2381 if (irelcount->r_addend == 0)
2382 {
2383 if (! sh_elf_relax_delete_bytes (abfd, sec, irelfn->r_offset, 4))
2384 goto error_return;
2385 }
2386
2387 /* We've done all we can with that function call. */
2388 }
2389
2390 /* Look for load and store instructions that we can align on four
2391 byte boundaries. */
2392 if ((elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK) != EF_SH4
2393 && have_code)
2394 {
2395 bfd_boolean swapped;
2396
2397 /* Get the section contents. */
2398 if (contents == NULL)
2399 {
2400 if (elf_section_data (sec)->this_hdr.contents != NULL)
2401 contents = elf_section_data (sec)->this_hdr.contents;
2402 else
2403 {
2404 if (!bfd_malloc_and_get_section (abfd, sec, &contents))
2405 goto error_return;
2406 }
2407 }
2408
2409 if (! sh_elf_align_loads (abfd, sec, internal_relocs, contents,
2410 &swapped))
2411 goto error_return;
2412
2413 if (swapped)
2414 {
2415 elf_section_data (sec)->relocs = internal_relocs;
2416 elf_section_data (sec)->this_hdr.contents = contents;
2417 symtab_hdr->contents = (unsigned char *) isymbuf;
2418 }
2419 }
2420
2421 if (isymbuf != NULL
2422 && symtab_hdr->contents != (unsigned char *) isymbuf)
2423 {
2424 if (! link_info->keep_memory)
2425 free (isymbuf);
2426 else
2427 {
2428 /* Cache the symbols for elf_link_input_bfd. */
2429 symtab_hdr->contents = (unsigned char *) isymbuf;
2430 }
2431 }
2432
2433 if (contents != NULL
2434 && elf_section_data (sec)->this_hdr.contents != contents)
2435 {
2436 if (! link_info->keep_memory)
2437 free (contents);
2438 else
2439 {
2440 /* Cache the section contents for elf_link_input_bfd. */
2441 elf_section_data (sec)->this_hdr.contents = contents;
2442 }
2443 }
2444
2445 if (internal_relocs != NULL
2446 && elf_section_data (sec)->relocs != internal_relocs)
2447 free (internal_relocs);
2448
2449 return TRUE;
2450
2451 error_return:
2452 if (isymbuf != NULL
2453 && symtab_hdr->contents != (unsigned char *) isymbuf)
2454 free (isymbuf);
2455 if (contents != NULL
2456 && elf_section_data (sec)->this_hdr.contents != contents)
2457 free (contents);
2458 if (internal_relocs != NULL
2459 && elf_section_data (sec)->relocs != internal_relocs)
2460 free (internal_relocs);
2461
2462 return FALSE;
2463 }
2464
2465 /* Delete some bytes from a section while relaxing. FIXME: There is a
2466 lot of duplication between this function and sh_relax_delete_bytes
2467 in coff-sh.c. */
2468
2469 static bfd_boolean
2470 sh_elf_relax_delete_bytes (bfd *abfd, asection *sec, bfd_vma addr,
2471 int count)
2472 {
2473 Elf_Internal_Shdr *symtab_hdr;
2474 unsigned int sec_shndx;
2475 bfd_byte *contents;
2476 Elf_Internal_Rela *irel, *irelend;
2477 Elf_Internal_Rela *irelalign;
2478 bfd_vma toaddr;
2479 Elf_Internal_Sym *isymbuf, *isym, *isymend;
2480 struct elf_link_hash_entry **sym_hashes;
2481 struct elf_link_hash_entry **end_hashes;
2482 unsigned int symcount;
2483 asection *o;
2484
2485 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
2486 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
2487
2488 sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
2489
2490 contents = elf_section_data (sec)->this_hdr.contents;
2491
2492 /* The deletion must stop at the next ALIGN reloc for an aligment
2493 power larger than the number of bytes we are deleting. */
2494
2495 irelalign = NULL;
2496 toaddr = sec->size;
2497
2498 irel = elf_section_data (sec)->relocs;
2499 irelend = irel + sec->reloc_count;
2500 for (; irel < irelend; irel++)
2501 {
2502 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_ALIGN
2503 && irel->r_offset > addr
2504 && count < (1 << irel->r_addend))
2505 {
2506 irelalign = irel;
2507 toaddr = irel->r_offset;
2508 break;
2509 }
2510 }
2511
2512 /* Actually delete the bytes. */
2513 memmove (contents + addr, contents + addr + count,
2514 (size_t) (toaddr - addr - count));
2515 if (irelalign == NULL)
2516 sec->size -= count;
2517 else
2518 {
2519 int i;
2520
2521 #define NOP_OPCODE (0x0009)
2522
2523 BFD_ASSERT ((count & 1) == 0);
2524 for (i = 0; i < count; i += 2)
2525 bfd_put_16 (abfd, (bfd_vma) NOP_OPCODE, contents + toaddr - count + i);
2526 }
2527
2528 /* Adjust all the relocs. */
2529 for (irel = elf_section_data (sec)->relocs; irel < irelend; irel++)
2530 {
2531 bfd_vma nraddr, stop;
2532 bfd_vma start = 0;
2533 int insn = 0;
2534 int off, adjust, oinsn;
2535 bfd_signed_vma voff = 0;
2536 bfd_boolean overflow;
2537
2538 /* Get the new reloc address. */
2539 nraddr = irel->r_offset;
2540 if ((irel->r_offset > addr
2541 && irel->r_offset < toaddr)
2542 || (ELF32_R_TYPE (irel->r_info) == (int) R_SH_ALIGN
2543 && irel->r_offset == toaddr))
2544 nraddr -= count;
2545
2546 /* See if this reloc was for the bytes we have deleted, in which
2547 case we no longer care about it. Don't delete relocs which
2548 represent addresses, though. */
2549 if (irel->r_offset >= addr
2550 && irel->r_offset < addr + count
2551 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_ALIGN
2552 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_CODE
2553 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_DATA
2554 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_LABEL)
2555 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
2556 (int) R_SH_NONE);
2557
2558 /* If this is a PC relative reloc, see if the range it covers
2559 includes the bytes we have deleted. */
2560 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
2561 {
2562 default:
2563 break;
2564
2565 case R_SH_DIR8WPN:
2566 case R_SH_IND12W:
2567 case R_SH_DIR8WPZ:
2568 case R_SH_DIR8WPL:
2569 start = irel->r_offset;
2570 insn = bfd_get_16 (abfd, contents + nraddr);
2571 break;
2572 }
2573
2574 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
2575 {
2576 default:
2577 start = stop = addr;
2578 break;
2579
2580 case R_SH_DIR32:
2581 /* If this reloc is against a symbol defined in this
2582 section, and the symbol will not be adjusted below, we
2583 must check the addend to see it will put the value in
2584 range to be adjusted, and hence must be changed. */
2585 if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
2586 {
2587 isym = isymbuf + ELF32_R_SYM (irel->r_info);
2588 if (isym->st_shndx == sec_shndx
2589 && (isym->st_value <= addr
2590 || isym->st_value >= toaddr))
2591 {
2592 bfd_vma val;
2593
2594 val = bfd_get_32 (abfd, contents + nraddr);
2595 val += isym->st_value;
2596 if (val > addr && val < toaddr)
2597 bfd_put_32 (abfd, val - count, contents + nraddr);
2598 }
2599 }
2600 start = stop = addr;
2601 break;
2602
2603 case R_SH_DIR8WPN:
2604 off = insn & 0xff;
2605 if (off & 0x80)
2606 off -= 0x100;
2607 stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2);
2608 break;
2609
2610 case R_SH_IND12W:
2611 off = insn & 0xfff;
2612 if (! off)
2613 {
2614 /* This has been made by previous relaxation. Since the
2615 relocation will be against an external symbol, the
2616 final relocation will just do the right thing. */
2617 start = stop = addr;
2618 }
2619 else
2620 {
2621 if (off & 0x800)
2622 off -= 0x1000;
2623 stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2);
2624
2625 /* The addend will be against the section symbol, thus
2626 for adjusting the addend, the relevant start is the
2627 start of the section.
2628 N.B. If we want to abandon in-place changes here and
2629 test directly using symbol + addend, we have to take into
2630 account that the addend has already been adjusted by -4. */
2631 if (stop > addr && stop < toaddr)
2632 irel->r_addend -= count;
2633 }
2634 break;
2635
2636 case R_SH_DIR8WPZ:
2637 off = insn & 0xff;
2638 stop = start + 4 + off * 2;
2639 break;
2640
2641 case R_SH_DIR8WPL:
2642 off = insn & 0xff;
2643 stop = (start & ~(bfd_vma) 3) + 4 + off * 4;
2644 break;
2645
2646 case R_SH_SWITCH8:
2647 case R_SH_SWITCH16:
2648 case R_SH_SWITCH32:
2649 /* These relocs types represent
2650 .word L2-L1
2651 The r_addend field holds the difference between the reloc
2652 address and L1. That is the start of the reloc, and
2653 adding in the contents gives us the top. We must adjust
2654 both the r_offset field and the section contents.
2655 N.B. in gas / coff bfd, the elf bfd r_addend is called r_offset,
2656 and the elf bfd r_offset is called r_vaddr. */
2657
2658 stop = irel->r_offset;
2659 start = (bfd_vma) ((bfd_signed_vma) stop - (long) irel->r_addend);
2660
2661 if (start > addr
2662 && start < toaddr
2663 && (stop <= addr || stop >= toaddr))
2664 irel->r_addend += count;
2665 else if (stop > addr
2666 && stop < toaddr
2667 && (start <= addr || start >= toaddr))
2668 irel->r_addend -= count;
2669
2670 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_SWITCH16)
2671 voff = bfd_get_signed_16 (abfd, contents + nraddr);
2672 else if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_SWITCH8)
2673 voff = bfd_get_8 (abfd, contents + nraddr);
2674 else
2675 voff = bfd_get_signed_32 (abfd, contents + nraddr);
2676 stop = (bfd_vma) ((bfd_signed_vma) start + voff);
2677
2678 break;
2679
2680 case R_SH_USES:
2681 start = irel->r_offset;
2682 stop = (bfd_vma) ((bfd_signed_vma) start
2683 + (long) irel->r_addend
2684 + 4);
2685 break;
2686 }
2687
2688 if (start > addr
2689 && start < toaddr
2690 && (stop <= addr || stop >= toaddr))
2691 adjust = count;
2692 else if (stop > addr
2693 && stop < toaddr
2694 && (start <= addr || start >= toaddr))
2695 adjust = - count;
2696 else
2697 adjust = 0;
2698
2699 if (adjust != 0)
2700 {
2701 oinsn = insn;
2702 overflow = FALSE;
2703 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
2704 {
2705 default:
2706 abort ();
2707 break;
2708
2709 case R_SH_DIR8WPN:
2710 case R_SH_DIR8WPZ:
2711 insn += adjust / 2;
2712 if ((oinsn & 0xff00) != (insn & 0xff00))
2713 overflow = TRUE;
2714 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
2715 break;
2716
2717 case R_SH_IND12W:
2718 insn += adjust / 2;
2719 if ((oinsn & 0xf000) != (insn & 0xf000))
2720 overflow = TRUE;
2721 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
2722 break;
2723
2724 case R_SH_DIR8WPL:
2725 BFD_ASSERT (adjust == count || count >= 4);
2726 if (count >= 4)
2727 insn += adjust / 4;
2728 else
2729 {
2730 if ((irel->r_offset & 3) == 0)
2731 ++insn;
2732 }
2733 if ((oinsn & 0xff00) != (insn & 0xff00))
2734 overflow = TRUE;
2735 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
2736 break;
2737
2738 case R_SH_SWITCH8:
2739 voff += adjust;
2740 if (voff < 0 || voff >= 0xff)
2741 overflow = TRUE;
2742 bfd_put_8 (abfd, voff, contents + nraddr);
2743 break;
2744
2745 case R_SH_SWITCH16:
2746 voff += adjust;
2747 if (voff < - 0x8000 || voff >= 0x8000)
2748 overflow = TRUE;
2749 bfd_put_signed_16 (abfd, (bfd_vma) voff, contents + nraddr);
2750 break;
2751
2752 case R_SH_SWITCH32:
2753 voff += adjust;
2754 bfd_put_signed_32 (abfd, (bfd_vma) voff, contents + nraddr);
2755 break;
2756
2757 case R_SH_USES:
2758 irel->r_addend += adjust;
2759 break;
2760 }
2761
2762 if (overflow)
2763 {
2764 ((*_bfd_error_handler)
2765 (_("%B: 0x%lx: fatal: reloc overflow while relaxing"),
2766 abfd, (unsigned long) irel->r_offset));
2767 bfd_set_error (bfd_error_bad_value);
2768 return FALSE;
2769 }
2770 }
2771
2772 irel->r_offset = nraddr;
2773 }
2774
2775 /* Look through all the other sections. If there contain any IMM32
2776 relocs against internal symbols which we are not going to adjust
2777 below, we may need to adjust the addends. */
2778 for (o = abfd->sections; o != NULL; o = o->next)
2779 {
2780 Elf_Internal_Rela *internal_relocs;
2781 Elf_Internal_Rela *irelscan, *irelscanend;
2782 bfd_byte *ocontents;
2783
2784 if (o == sec
2785 || (o->flags & SEC_RELOC) == 0
2786 || o->reloc_count == 0)
2787 continue;
2788
2789 /* We always cache the relocs. Perhaps, if info->keep_memory is
2790 FALSE, we should free them, if we are permitted to, when we
2791 leave sh_coff_relax_section. */
2792 internal_relocs = (_bfd_elf_link_read_relocs
2793 (abfd, o, NULL, (Elf_Internal_Rela *) NULL, TRUE));
2794 if (internal_relocs == NULL)
2795 return FALSE;
2796
2797 ocontents = NULL;
2798 irelscanend = internal_relocs + o->reloc_count;
2799 for (irelscan = internal_relocs; irelscan < irelscanend; irelscan++)
2800 {
2801 /* Dwarf line numbers use R_SH_SWITCH32 relocs. */
2802 if (ELF32_R_TYPE (irelscan->r_info) == (int) R_SH_SWITCH32)
2803 {
2804 bfd_vma start, stop;
2805 bfd_signed_vma voff;
2806
2807 if (ocontents == NULL)
2808 {
2809 if (elf_section_data (o)->this_hdr.contents != NULL)
2810 ocontents = elf_section_data (o)->this_hdr.contents;
2811 else
2812 {
2813 /* We always cache the section contents.
2814 Perhaps, if info->keep_memory is FALSE, we
2815 should free them, if we are permitted to,
2816 when we leave sh_coff_relax_section. */
2817 if (!bfd_malloc_and_get_section (abfd, o, &ocontents))
2818 {
2819 if (ocontents != NULL)
2820 free (ocontents);
2821 return FALSE;
2822 }
2823
2824 elf_section_data (o)->this_hdr.contents = ocontents;
2825 }
2826 }
2827
2828 stop = irelscan->r_offset;
2829 start
2830 = (bfd_vma) ((bfd_signed_vma) stop - (long) irelscan->r_addend);
2831
2832 /* STOP is in a different section, so it won't change. */
2833 if (start > addr && start < toaddr)
2834 irelscan->r_addend += count;
2835
2836 voff = bfd_get_signed_32 (abfd, ocontents + irelscan->r_offset);
2837 stop = (bfd_vma) ((bfd_signed_vma) start + voff);
2838
2839 if (start > addr
2840 && start < toaddr
2841 && (stop <= addr || stop >= toaddr))
2842 bfd_put_signed_32 (abfd, (bfd_vma) voff + count,
2843 ocontents + irelscan->r_offset);
2844 else if (stop > addr
2845 && stop < toaddr
2846 && (start <= addr || start >= toaddr))
2847 bfd_put_signed_32 (abfd, (bfd_vma) voff - count,
2848 ocontents + irelscan->r_offset);
2849 }
2850
2851 if (ELF32_R_TYPE (irelscan->r_info) != (int) R_SH_DIR32)
2852 continue;
2853
2854 if (ELF32_R_SYM (irelscan->r_info) >= symtab_hdr->sh_info)
2855 continue;
2856
2857
2858 isym = isymbuf + ELF32_R_SYM (irelscan->r_info);
2859 if (isym->st_shndx == sec_shndx
2860 && (isym->st_value <= addr
2861 || isym->st_value >= toaddr))
2862 {
2863 bfd_vma val;
2864
2865 if (ocontents == NULL)
2866 {
2867 if (elf_section_data (o)->this_hdr.contents != NULL)
2868 ocontents = elf_section_data (o)->this_hdr.contents;
2869 else
2870 {
2871 /* We always cache the section contents.
2872 Perhaps, if info->keep_memory is FALSE, we
2873 should free them, if we are permitted to,
2874 when we leave sh_coff_relax_section. */
2875 if (!bfd_malloc_and_get_section (abfd, o, &ocontents))
2876 {
2877 if (ocontents != NULL)
2878 free (ocontents);
2879 return FALSE;
2880 }
2881
2882 elf_section_data (o)->this_hdr.contents = ocontents;
2883 }
2884 }
2885
2886 val = bfd_get_32 (abfd, ocontents + irelscan->r_offset);
2887 val += isym->st_value;
2888 if (val > addr && val < toaddr)
2889 bfd_put_32 (abfd, val - count,
2890 ocontents + irelscan->r_offset);
2891 }
2892 }
2893 }
2894
2895 /* Adjust the local symbols defined in this section. */
2896 isymend = isymbuf + symtab_hdr->sh_info;
2897 for (isym = isymbuf; isym < isymend; isym++)
2898 {
2899 if (isym->st_shndx == sec_shndx
2900 && isym->st_value > addr
2901 && isym->st_value < toaddr)
2902 isym->st_value -= count;
2903 }
2904
2905 /* Now adjust the global symbols defined in this section. */
2906 symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
2907 - symtab_hdr->sh_info);
2908 sym_hashes = elf_sym_hashes (abfd);
2909 end_hashes = sym_hashes + symcount;
2910 for (; sym_hashes < end_hashes; sym_hashes++)
2911 {
2912 struct elf_link_hash_entry *sym_hash = *sym_hashes;
2913 if ((sym_hash->root.type == bfd_link_hash_defined
2914 || sym_hash->root.type == bfd_link_hash_defweak)
2915 && sym_hash->root.u.def.section == sec
2916 && sym_hash->root.u.def.value > addr
2917 && sym_hash->root.u.def.value < toaddr)
2918 {
2919 sym_hash->root.u.def.value -= count;
2920 }
2921 }
2922
2923 /* See if we can move the ALIGN reloc forward. We have adjusted
2924 r_offset for it already. */
2925 if (irelalign != NULL)
2926 {
2927 bfd_vma alignto, alignaddr;
2928
2929 alignto = BFD_ALIGN (toaddr, 1 << irelalign->r_addend);
2930 alignaddr = BFD_ALIGN (irelalign->r_offset,
2931 1 << irelalign->r_addend);
2932 if (alignto != alignaddr)
2933 {
2934 /* Tail recursion. */
2935 return sh_elf_relax_delete_bytes (abfd, sec, alignaddr,
2936 (int) (alignto - alignaddr));
2937 }
2938 }
2939
2940 return TRUE;
2941 }
2942
2943 /* Look for loads and stores which we can align to four byte
2944 boundaries. This is like sh_align_loads in coff-sh.c. */
2945
2946 static bfd_boolean
2947 sh_elf_align_loads (bfd *abfd ATTRIBUTE_UNUSED, asection *sec,
2948 Elf_Internal_Rela *internal_relocs,
2949 bfd_byte *contents ATTRIBUTE_UNUSED,
2950 bfd_boolean *pswapped)
2951 {
2952 Elf_Internal_Rela *irel, *irelend;
2953 bfd_vma *labels = NULL;
2954 bfd_vma *label, *label_end;
2955 bfd_size_type amt;
2956
2957 *pswapped = FALSE;
2958
2959 irelend = internal_relocs + sec->reloc_count;
2960
2961 /* Get all the addresses with labels on them. */
2962 amt = sec->reloc_count;
2963 amt *= sizeof (bfd_vma);
2964 labels = (bfd_vma *) bfd_malloc (amt);
2965 if (labels == NULL)
2966 goto error_return;
2967 label_end = labels;
2968 for (irel = internal_relocs; irel < irelend; irel++)
2969 {
2970 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_LABEL)
2971 {
2972 *label_end = irel->r_offset;
2973 ++label_end;
2974 }
2975 }
2976
2977 /* Note that the assembler currently always outputs relocs in
2978 address order. If that ever changes, this code will need to sort
2979 the label values and the relocs. */
2980
2981 label = labels;
2982
2983 for (irel = internal_relocs; irel < irelend; irel++)
2984 {
2985 bfd_vma start, stop;
2986
2987 if (ELF32_R_TYPE (irel->r_info) != (int) R_SH_CODE)
2988 continue;
2989
2990 start = irel->r_offset;
2991
2992 for (irel++; irel < irelend; irel++)
2993 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_DATA)
2994 break;
2995 if (irel < irelend)
2996 stop = irel->r_offset;
2997 else
2998 stop = sec->size;
2999
3000 if (! _bfd_sh_align_load_span (abfd, sec, contents, sh_elf_swap_insns,
3001 internal_relocs, &label,
3002 label_end, start, stop, pswapped))
3003 goto error_return;
3004 }
3005
3006 free (labels);
3007
3008 return TRUE;
3009
3010 error_return:
3011 if (labels != NULL)
3012 free (labels);
3013 return FALSE;
3014 }
3015
3016 #ifndef SH64_ELF
3017 /* Swap two SH instructions. This is like sh_swap_insns in coff-sh.c. */
3018
3019 static bfd_boolean
3020 sh_elf_swap_insns (bfd *abfd, asection *sec, void *relocs,
3021 bfd_byte *contents, bfd_vma addr)
3022 {
3023 Elf_Internal_Rela *internal_relocs = (Elf_Internal_Rela *) relocs;
3024 unsigned short i1, i2;
3025 Elf_Internal_Rela *irel, *irelend;
3026
3027 /* Swap the instructions themselves. */
3028 i1 = bfd_get_16 (abfd, contents + addr);
3029 i2 = bfd_get_16 (abfd, contents + addr + 2);
3030 bfd_put_16 (abfd, (bfd_vma) i2, contents + addr);
3031 bfd_put_16 (abfd, (bfd_vma) i1, contents + addr + 2);
3032
3033 /* Adjust all reloc addresses. */
3034 irelend = internal_relocs + sec->reloc_count;
3035 for (irel = internal_relocs; irel < irelend; irel++)
3036 {
3037 enum elf_sh_reloc_type type;
3038 int add;
3039
3040 /* There are a few special types of relocs that we don't want to
3041 adjust. These relocs do not apply to the instruction itself,
3042 but are only associated with the address. */
3043 type = (enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info);
3044 if (type == R_SH_ALIGN
3045 || type == R_SH_CODE
3046 || type == R_SH_DATA
3047 || type == R_SH_LABEL)
3048 continue;
3049
3050 /* If an R_SH_USES reloc points to one of the addresses being
3051 swapped, we must adjust it. It would be incorrect to do this
3052 for a jump, though, since we want to execute both
3053 instructions after the jump. (We have avoided swapping
3054 around a label, so the jump will not wind up executing an
3055 instruction it shouldn't). */
3056 if (type == R_SH_USES)
3057 {
3058 bfd_vma off;
3059
3060 off = irel->r_offset + 4 + irel->r_addend;
3061 if (off == addr)
3062 irel->r_offset += 2;
3063 else if (off == addr + 2)
3064 irel->r_offset -= 2;
3065 }
3066
3067 if (irel->r_offset == addr)
3068 {
3069 irel->r_offset += 2;
3070 add = -2;
3071 }
3072 else if (irel->r_offset == addr + 2)
3073 {
3074 irel->r_offset -= 2;
3075 add = 2;
3076 }
3077 else
3078 add = 0;
3079
3080 if (add != 0)
3081 {
3082 bfd_byte *loc;
3083 unsigned short insn, oinsn;
3084 bfd_boolean overflow;
3085
3086 loc = contents + irel->r_offset;
3087 overflow = FALSE;
3088 switch (type)
3089 {
3090 default:
3091 break;
3092
3093 case R_SH_DIR8WPN:
3094 case R_SH_DIR8WPZ:
3095 insn = bfd_get_16 (abfd, loc);
3096 oinsn = insn;
3097 insn += add / 2;
3098 if ((oinsn & 0xff00) != (insn & 0xff00))
3099 overflow = TRUE;
3100 bfd_put_16 (abfd, (bfd_vma) insn, loc);
3101 break;
3102
3103 case R_SH_IND12W:
3104 insn = bfd_get_16 (abfd, loc);
3105 oinsn = insn;
3106 insn += add / 2;
3107 if ((oinsn & 0xf000) != (insn & 0xf000))
3108 overflow = TRUE;
3109 bfd_put_16 (abfd, (bfd_vma) insn, loc);
3110 break;
3111
3112 case R_SH_DIR8WPL:
3113 /* This reloc ignores the least significant 3 bits of
3114 the program counter before adding in the offset.
3115 This means that if ADDR is at an even address, the
3116 swap will not affect the offset. If ADDR is an at an
3117 odd address, then the instruction will be crossing a
3118 four byte boundary, and must be adjusted. */
3119 if ((addr & 3) != 0)
3120 {
3121 insn = bfd_get_16 (abfd, loc);
3122 oinsn = insn;
3123 insn += add / 2;
3124 if ((oinsn & 0xff00) != (insn & 0xff00))
3125 overflow = TRUE;
3126 bfd_put_16 (abfd, (bfd_vma) insn, loc);
3127 }
3128
3129 break;
3130 }
3131
3132 if (overflow)
3133 {
3134 ((*_bfd_error_handler)
3135 (_("%B: 0x%lx: fatal: reloc overflow while relaxing"),
3136 abfd, (unsigned long) irel->r_offset));
3137 bfd_set_error (bfd_error_bad_value);
3138 return FALSE;
3139 }
3140 }
3141 }
3142
3143 return TRUE;
3144 }
3145 #endif /* defined SH64_ELF */
3146 \f
3147 #ifdef INCLUDE_SHMEDIA
3148
3149 /* The size in bytes of an entry in the procedure linkage table. */
3150
3151 #define PLT_ENTRY_SIZE 64
3152
3153 /* First entry in an absolute procedure linkage table look like this. */
3154
3155 static const bfd_byte elf_sh_plt0_entry_be[PLT_ENTRY_SIZE] =
3156 {
3157 0xcc, 0x00, 0x01, 0x10, /* movi .got.plt >> 16, r17 */
3158 0xc8, 0x00, 0x01, 0x10, /* shori .got.plt & 65535, r17 */
3159 0x89, 0x10, 0x09, 0x90, /* ld.l r17, 8, r25 */
3160 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
3161 0x89, 0x10, 0x05, 0x10, /* ld.l r17, 4, r17 */
3162 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
3163 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3164 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3165 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3166 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3167 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3168 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3169 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3170 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3171 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3172 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3173 };
3174
3175 static const bfd_byte elf_sh_plt0_entry_le[PLT_ENTRY_SIZE] =
3176 {
3177 0x10, 0x01, 0x00, 0xcc, /* movi .got.plt >> 16, r17 */
3178 0x10, 0x01, 0x00, 0xc8, /* shori .got.plt & 65535, r17 */
3179 0x90, 0x09, 0x10, 0x89, /* ld.l r17, 8, r25 */
3180 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
3181 0x10, 0x05, 0x10, 0x89, /* ld.l r17, 4, r17 */
3182 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
3183 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3184 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3185 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3186 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3187 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3188 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3189 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3190 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3191 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3192 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3193 };
3194
3195 /* Sebsequent entries in an absolute procedure linkage table look like
3196 this. */
3197
3198 static const bfd_byte elf_sh_plt_entry_be[PLT_ENTRY_SIZE] =
3199 {
3200 0xcc, 0x00, 0x01, 0x90, /* movi nameN-in-GOT >> 16, r25 */
3201 0xc8, 0x00, 0x01, 0x90, /* shori nameN-in-GOT & 65535, r25 */
3202 0x89, 0x90, 0x01, 0x90, /* ld.l r25, 0, r25 */
3203 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
3204 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
3205 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3206 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3207 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3208 0xcc, 0x00, 0x01, 0x90, /* movi .PLT0 >> 16, r25 */
3209 0xc8, 0x00, 0x01, 0x90, /* shori .PLT0 & 65535, r25 */
3210 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
3211 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */
3212 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */
3213 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
3214 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3215 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3216 };
3217
3218 static const bfd_byte elf_sh_plt_entry_le[PLT_ENTRY_SIZE] =
3219 {
3220 0x90, 0x01, 0x00, 0xcc, /* movi nameN-in-GOT >> 16, r25 */
3221 0x90, 0x01, 0x00, 0xc8, /* shori nameN-in-GOT & 65535, r25 */
3222 0x90, 0x01, 0x90, 0x89, /* ld.l r25, 0, r25 */
3223 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
3224 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
3225 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3226 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3227 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3228 0x90, 0x01, 0x00, 0xcc, /* movi .PLT0 >> 16, r25 */
3229 0x90, 0x01, 0x00, 0xc8, /* shori .PLT0 & 65535, r25 */
3230 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
3231 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */
3232 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */
3233 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
3234 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3235 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3236 };
3237
3238 /* Entries in a PIC procedure linkage table look like this. */
3239
3240 static const bfd_byte elf_sh_pic_plt_entry_be[PLT_ENTRY_SIZE] =
3241 {
3242 0xcc, 0x00, 0x01, 0x90, /* movi nameN@GOT >> 16, r25 */
3243 0xc8, 0x00, 0x01, 0x90, /* shori nameN@GOT & 65535, r25 */
3244 0x40, 0xc2, 0x65, 0x90, /* ldx.l r12, r25, r25 */
3245 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
3246 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
3247 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3248 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3249 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3250 0xce, 0x00, 0x01, 0x10, /* movi -GOT_BIAS, r17 */
3251 0x00, 0xc8, 0x45, 0x10, /* add.l r12, r17, r17 */
3252 0x89, 0x10, 0x09, 0x90, /* ld.l r17, 8, r25 */
3253 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
3254 0x89, 0x10, 0x05, 0x10, /* ld.l r17, 4, r17 */
3255 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */
3256 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */
3257 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
3258 };
3259
3260 static const bfd_byte elf_sh_pic_plt_entry_le[PLT_ENTRY_SIZE] =
3261 {
3262 0x90, 0x01, 0x00, 0xcc, /* movi nameN@GOT >> 16, r25 */
3263 0x90, 0x01, 0x00, 0xc8, /* shori nameN@GOT & 65535, r25 */
3264 0x90, 0x65, 0xc2, 0x40, /* ldx.l r12, r25, r25 */
3265 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
3266 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
3267 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3268 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3269 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3270 0x10, 0x01, 0x00, 0xce, /* movi -GOT_BIAS, r17 */
3271 0x10, 0x45, 0xc8, 0x00, /* add.l r12, r17, r17 */
3272 0x90, 0x09, 0x10, 0x89, /* ld.l r17, 8, r25 */
3273 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
3274 0x10, 0x05, 0x10, 0x89, /* ld.l r17, 4, r17 */
3275 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */
3276 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */
3277 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
3278 };
3279
3280 static const bfd_byte *elf_sh_plt0_entry;
3281 static const bfd_byte *elf_sh_plt_entry;
3282 static const bfd_byte *elf_sh_pic_plt_entry;
3283
3284 /* Return size of a PLT entry. */
3285 #define elf_sh_sizeof_plt(info) PLT_ENTRY_SIZE
3286
3287 /* Return offset of the PLT0 address in an absolute PLT entry. */
3288 #define elf_sh_plt_plt0_offset(info) 32
3289
3290 /* Return offset of the linker in PLT0 entry. */
3291 #define elf_sh_plt0_gotplt_offset(info) 0
3292
3293 /* Return offset of the trampoline in PLT entry */
3294 #define elf_sh_plt_temp_offset(info) 33 /* Add one because it's SHmedia. */
3295
3296 /* Return offset of the symbol in PLT entry. */
3297 #define elf_sh_plt_symbol_offset(info) 0
3298
3299 /* Return offset of the relocation in PLT entry. */
3300 #define elf_sh_plt_reloc_offset(info) (info->shared ? 52 : 44)
3301
3302 inline static void
3303 movi_shori_putval (bfd *output_bfd, unsigned long value, bfd_byte *addr)
3304 {
3305 bfd_put_32 (output_bfd,
3306 bfd_get_32 (output_bfd, addr)
3307 | ((value >> 6) & 0x3fffc00),
3308 addr);
3309 bfd_put_32 (output_bfd,
3310 bfd_get_32 (output_bfd, addr + 4)
3311 | ((value << 10) & 0x3fffc00),
3312 addr + 4);
3313 }
3314
3315 #else
3316 /* The size in bytes of an entry in the procedure linkage table. */
3317
3318 #define PLT_ENTRY_SIZE 28
3319
3320 /* First entry in an absolute procedure linkage table look like this. */
3321
3322 /* Note - this code has been "optimised" not to use r2. r2 is used by
3323 GCC to return the address of large structures, so it should not be
3324 corrupted here. This does mean however, that this PLT does not conform
3325 to the SH PIC ABI. That spec says that r0 contains the type of the PLT
3326 and r2 contains the GOT id. This version stores the GOT id in r0 and
3327 ignores the type. Loaders can easily detect this difference however,
3328 since the type will always be 0 or 8, and the GOT ids will always be
3329 greater than or equal to 12. */
3330 static const bfd_byte elf_sh_plt0_entry_be[PLT_ENTRY_SIZE] =
3331 {
3332 0xd0, 0x05, /* mov.l 2f,r0 */
3333 0x60, 0x02, /* mov.l @r0,r0 */
3334 0x2f, 0x06, /* mov.l r0,@-r15 */
3335 0xd0, 0x03, /* mov.l 1f,r0 */
3336 0x60, 0x02, /* mov.l @r0,r0 */
3337 0x40, 0x2b, /* jmp @r0 */
3338 0x60, 0xf6, /* mov.l @r15+,r0 */
3339 0x00, 0x09, /* nop */
3340 0x00, 0x09, /* nop */
3341 0x00, 0x09, /* nop */
3342 0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */
3343 0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */
3344 };
3345
3346 static const bfd_byte elf_sh_plt0_entry_le[PLT_ENTRY_SIZE] =
3347 {
3348 0x05, 0xd0, /* mov.l 2f,r0 */
3349 0x02, 0x60, /* mov.l @r0,r0 */
3350 0x06, 0x2f, /* mov.l r0,@-r15 */
3351 0x03, 0xd0, /* mov.l 1f,r0 */
3352 0x02, 0x60, /* mov.l @r0,r0 */
3353 0x2b, 0x40, /* jmp @r0 */
3354 0xf6, 0x60, /* mov.l @r15+,r0 */
3355 0x09, 0x00, /* nop */
3356 0x09, 0x00, /* nop */
3357 0x09, 0x00, /* nop */
3358 0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */
3359 0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */
3360 };
3361
3362 /* Sebsequent entries in an absolute procedure linkage table look like
3363 this. */
3364
3365 static const bfd_byte elf_sh_plt_entry_be[PLT_ENTRY_SIZE] =
3366 {
3367 0xd0, 0x04, /* mov.l 1f,r0 */
3368 0x60, 0x02, /* mov.l @r0,r0 */
3369 0xd1, 0x02, /* mov.l 0f,r1 */
3370 0x40, 0x2b, /* jmp @r0 */
3371 0x60, 0x13, /* mov r1,r0 */
3372 0xd1, 0x03, /* mov.l 2f,r1 */
3373 0x40, 0x2b, /* jmp @r0 */
3374 0x00, 0x09, /* nop */
3375 0, 0, 0, 0, /* 0: replaced with address of .PLT0. */
3376 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
3377 0, 0, 0, 0, /* 2: replaced with offset into relocation table. */
3378 };
3379
3380 static const bfd_byte elf_sh_plt_entry_le[PLT_ENTRY_SIZE] =
3381 {
3382 0x04, 0xd0, /* mov.l 1f,r0 */
3383 0x02, 0x60, /* mov.l @r0,r0 */
3384 0x02, 0xd1, /* mov.l 0f,r1 */
3385 0x2b, 0x40, /* jmp @r0 */
3386 0x13, 0x60, /* mov r1,r0 */
3387 0x03, 0xd1, /* mov.l 2f,r1 */
3388 0x2b, 0x40, /* jmp @r0 */
3389 0x09, 0x00, /* nop */
3390 0, 0, 0, 0, /* 0: replaced with address of .PLT0. */
3391 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
3392 0, 0, 0, 0, /* 2: replaced with offset into relocation table. */
3393 };
3394
3395 /* Entries in a PIC procedure linkage table look like this. */
3396
3397 static const bfd_byte elf_sh_pic_plt_entry_be[PLT_ENTRY_SIZE] =
3398 {
3399 0xd0, 0x04, /* mov.l 1f,r0 */
3400 0x00, 0xce, /* mov.l @(r0,r12),r0 */
3401 0x40, 0x2b, /* jmp @r0 */
3402 0x00, 0x09, /* nop */
3403 0x50, 0xc2, /* mov.l @(8,r12),r0 */
3404 0xd1, 0x03, /* mov.l 2f,r1 */
3405 0x40, 0x2b, /* jmp @r0 */
3406 0x50, 0xc1, /* mov.l @(4,r12),r0 */
3407 0x00, 0x09, /* nop */
3408 0x00, 0x09, /* nop */
3409 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
3410 0, 0, 0, 0 /* 2: replaced with offset into relocation table. */
3411 };
3412
3413 static const bfd_byte elf_sh_pic_plt_entry_le[PLT_ENTRY_SIZE] =
3414 {
3415 0x04, 0xd0, /* mov.l 1f,r0 */
3416 0xce, 0x00, /* mov.l @(r0,r12),r0 */
3417 0x2b, 0x40, /* jmp @r0 */
3418 0x09, 0x00, /* nop */
3419 0xc2, 0x50, /* mov.l @(8,r12),r0 */
3420 0x03, 0xd1, /* mov.l 2f,r1 */
3421 0x2b, 0x40, /* jmp @r0 */
3422 0xc1, 0x50, /* mov.l @(4,r12),r0 */
3423 0x09, 0x00, /* nop */
3424 0x09, 0x00, /* nop */
3425 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
3426 0, 0, 0, 0 /* 2: replaced with offset into relocation table. */
3427 };
3428
3429 static const bfd_byte *elf_sh_plt0_entry;
3430 static const bfd_byte *elf_sh_plt_entry;
3431 static const bfd_byte *elf_sh_pic_plt_entry;
3432
3433 /* Return size of a PLT entry. */
3434 #define elf_sh_sizeof_plt(info) PLT_ENTRY_SIZE
3435
3436 /* Return offset of the PLT0 address in an absolute PLT entry. */
3437 #define elf_sh_plt_plt0_offset(info) 16
3438
3439 /* Return offset of the linker in PLT0 entry. */
3440 #define elf_sh_plt0_linker_offset(info) 20
3441
3442 /* Return offset of the GOT id in PLT0 entry. */
3443 #define elf_sh_plt0_gotid_offset(info) 24
3444
3445 /* Return offset of the temporary in PLT entry */
3446 #define elf_sh_plt_temp_offset(info) 8
3447
3448 /* Return offset of the symbol in PLT entry. */
3449 #define elf_sh_plt_symbol_offset(info) 20
3450
3451 /* Return offset of the relocation in PLT entry. */
3452 #define elf_sh_plt_reloc_offset(info) 24
3453 #endif
3454
3455 /* The sh linker needs to keep track of the number of relocs that it
3456 decides to copy as dynamic relocs in check_relocs for each symbol.
3457 This is so that it can later discard them if they are found to be
3458 unnecessary. We store the information in a field extending the
3459 regular ELF linker hash table. */
3460
3461 struct elf_sh_dyn_relocs
3462 {
3463 struct elf_sh_dyn_relocs *next;
3464
3465 /* The input section of the reloc. */
3466 asection *sec;
3467
3468 /* Total number of relocs copied for the input section. */
3469 bfd_size_type count;
3470
3471 /* Number of pc-relative relocs copied for the input section. */
3472 bfd_size_type pc_count;
3473 };
3474
3475 /* sh ELF linker hash entry. */
3476
3477 struct elf_sh_link_hash_entry
3478 {
3479 struct elf_link_hash_entry root;
3480
3481 #ifdef INCLUDE_SHMEDIA
3482 union
3483 {
3484 bfd_signed_vma refcount;
3485 bfd_vma offset;
3486 } datalabel_got;
3487 #endif
3488
3489 /* Track dynamic relocs copied for this symbol. */
3490 struct elf_sh_dyn_relocs *dyn_relocs;
3491
3492 bfd_signed_vma gotplt_refcount;
3493
3494 enum {
3495 GOT_UNKNOWN = 0, GOT_NORMAL, GOT_TLS_GD, GOT_TLS_IE
3496 } tls_type;
3497 };
3498
3499 #define sh_elf_hash_entry(ent) ((struct elf_sh_link_hash_entry *)(ent))
3500
3501 struct sh_elf_obj_tdata
3502 {
3503 struct elf_obj_tdata root;
3504
3505 /* tls_type for each local got entry. */
3506 char *local_got_tls_type;
3507 };
3508
3509 #define sh_elf_tdata(abfd) \
3510 ((struct sh_elf_obj_tdata *) (abfd)->tdata.any)
3511
3512 #define sh_elf_local_got_tls_type(abfd) \
3513 (sh_elf_tdata (abfd)->local_got_tls_type)
3514
3515 /* Override the generic function because we need to store sh_elf_obj_tdata
3516 as the specific tdata. */
3517
3518 static bfd_boolean
3519 sh_elf_mkobject (bfd *abfd)
3520 {
3521 bfd_size_type amt = sizeof (struct sh_elf_obj_tdata);
3522 abfd->tdata.any = bfd_zalloc (abfd, amt);
3523 if (abfd->tdata.any == NULL)
3524 return FALSE;
3525 return TRUE;
3526 }
3527
3528 /* sh ELF linker hash table. */
3529
3530 struct elf_sh_link_hash_table
3531 {
3532 struct elf_link_hash_table root;
3533
3534 /* Short-cuts to get to dynamic linker sections. */
3535 asection *sgot;
3536 asection *sgotplt;
3537 asection *srelgot;
3538 asection *splt;
3539 asection *srelplt;
3540 asection *sdynbss;
3541 asection *srelbss;
3542
3543 /* Small local sym to section mapping cache. */
3544 struct sym_sec_cache sym_sec;
3545
3546 /* A counter or offset to track a TLS got entry. */
3547 union
3548 {
3549 bfd_signed_vma refcount;
3550 bfd_vma offset;
3551 } tls_ldm_got;
3552 };
3553
3554 /* Traverse an sh ELF linker hash table. */
3555
3556 #define sh_elf_link_hash_traverse(table, func, info) \
3557 (elf_link_hash_traverse \
3558 (&(table)->root, \
3559 (bfd_boolean (*) (struct elf_link_hash_entry *, void *)) (func), \
3560 (info)))
3561
3562 /* Get the sh ELF linker hash table from a link_info structure. */
3563
3564 #define sh_elf_hash_table(p) \
3565 ((struct elf_sh_link_hash_table *) ((p)->hash))
3566
3567 /* Create an entry in an sh ELF linker hash table. */
3568
3569 static struct bfd_hash_entry *
3570 sh_elf_link_hash_newfunc (struct bfd_hash_entry *entry,
3571 struct bfd_hash_table *table,
3572 const char *string)
3573 {
3574 struct elf_sh_link_hash_entry *ret =
3575 (struct elf_sh_link_hash_entry *) entry;
3576
3577 /* Allocate the structure if it has not already been allocated by a
3578 subclass. */
3579 if (ret == (struct elf_sh_link_hash_entry *) NULL)
3580 ret = ((struct elf_sh_link_hash_entry *)
3581 bfd_hash_allocate (table,
3582 sizeof (struct elf_sh_link_hash_entry)));
3583 if (ret == (struct elf_sh_link_hash_entry *) NULL)
3584 return (struct bfd_hash_entry *) ret;
3585
3586 /* Call the allocation method of the superclass. */
3587 ret = ((struct elf_sh_link_hash_entry *)
3588 _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
3589 table, string));
3590 if (ret != (struct elf_sh_link_hash_entry *) NULL)
3591 {
3592 ret->dyn_relocs = NULL;
3593 ret->gotplt_refcount = 0;
3594 #ifdef INCLUDE_SHMEDIA
3595 ret->datalabel_got.refcount = ret->root.got.refcount;
3596 #endif
3597 ret->tls_type = GOT_UNKNOWN;
3598 }
3599
3600 return (struct bfd_hash_entry *) ret;
3601 }
3602
3603 /* Create an sh ELF linker hash table. */
3604
3605 static struct bfd_link_hash_table *
3606 sh_elf_link_hash_table_create (bfd *abfd)
3607 {
3608 struct elf_sh_link_hash_table *ret;
3609 bfd_size_type amt = sizeof (struct elf_sh_link_hash_table);
3610
3611 ret = (struct elf_sh_link_hash_table *) bfd_malloc (amt);
3612 if (ret == (struct elf_sh_link_hash_table *) NULL)
3613 return NULL;
3614
3615 if (! _bfd_elf_link_hash_table_init (&ret->root, abfd,
3616 sh_elf_link_hash_newfunc))
3617 {
3618 free (ret);
3619 return NULL;
3620 }
3621
3622 ret->sgot = NULL;
3623 ret->sgotplt = NULL;
3624 ret->srelgot = NULL;
3625 ret->splt = NULL;
3626 ret->srelplt = NULL;
3627 ret->sdynbss = NULL;
3628 ret->srelbss = NULL;
3629 ret->sym_sec.abfd = NULL;
3630 ret->tls_ldm_got.refcount = 0;
3631
3632 return &ret->root.root;
3633 }
3634
3635 /* Create .got, .gotplt, and .rela.got sections in DYNOBJ, and set up
3636 shortcuts to them in our hash table. */
3637
3638 static bfd_boolean
3639 create_got_section (bfd *dynobj, struct bfd_link_info *info)
3640 {
3641 struct elf_sh_link_hash_table *htab;
3642
3643 if (! _bfd_elf_create_got_section (dynobj, info))
3644 return FALSE;
3645
3646 htab = sh_elf_hash_table (info);
3647 htab->sgot = bfd_get_section_by_name (dynobj, ".got");
3648 htab->sgotplt = bfd_get_section_by_name (dynobj, ".got.plt");
3649 if (! htab->sgot || ! htab->sgotplt)
3650 abort ();
3651
3652 htab->srelgot = bfd_make_section (dynobj, ".rela.got");
3653 if (htab->srelgot == NULL
3654 || ! bfd_set_section_flags (dynobj, htab->srelgot,
3655 (SEC_ALLOC
3656 | SEC_LOAD
3657 | SEC_HAS_CONTENTS
3658 | SEC_IN_MEMORY
3659 | SEC_LINKER_CREATED
3660 | SEC_READONLY))
3661 || ! bfd_set_section_alignment (dynobj, htab->srelgot, 2))
3662 return FALSE;
3663 return TRUE;
3664 }
3665
3666 /* Create dynamic sections when linking against a dynamic object. */
3667
3668 static bfd_boolean
3669 sh_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
3670 {
3671 struct elf_sh_link_hash_table *htab;
3672 flagword flags, pltflags;
3673 register asection *s;
3674 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
3675 int ptralign = 0;
3676
3677 switch (bed->s->arch_size)
3678 {
3679 case 32:
3680 ptralign = 2;
3681 break;
3682
3683 case 64:
3684 ptralign = 3;
3685 break;
3686
3687 default:
3688 bfd_set_error (bfd_error_bad_value);
3689 return FALSE;
3690 }
3691
3692 htab = sh_elf_hash_table (info);
3693 if (htab->root.dynamic_sections_created)
3694 return TRUE;
3695
3696 /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and
3697 .rel[a].bss sections. */
3698
3699 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
3700 | SEC_LINKER_CREATED);
3701
3702 pltflags = flags;
3703 pltflags |= SEC_CODE;
3704 if (bed->plt_not_loaded)
3705 pltflags &= ~ (SEC_LOAD | SEC_HAS_CONTENTS);
3706 if (bed->plt_readonly)
3707 pltflags |= SEC_READONLY;
3708
3709 s = bfd_make_section (abfd, ".plt");
3710 htab->splt = s;
3711 if (s == NULL
3712 || ! bfd_set_section_flags (abfd, s, pltflags)
3713 || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
3714 return FALSE;
3715
3716 if (bed->want_plt_sym)
3717 {
3718 /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
3719 .plt section. */
3720 struct elf_link_hash_entry *h;
3721 struct bfd_link_hash_entry *bh = NULL;
3722
3723 if (! (_bfd_generic_link_add_one_symbol
3724 (info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s,
3725 (bfd_vma) 0, (const char *) NULL, FALSE,
3726 get_elf_backend_data (abfd)->collect, &bh)))
3727 return FALSE;
3728
3729 h = (struct elf_link_hash_entry *) bh;
3730 h->def_regular = 1;
3731 h->type = STT_OBJECT;
3732
3733 if (info->shared
3734 && ! bfd_elf_link_record_dynamic_symbol (info, h))
3735 return FALSE;
3736 }
3737
3738 s = bfd_make_section (abfd,
3739 bed->default_use_rela_p ? ".rela.plt" : ".rel.plt");
3740 htab->srelplt = s;
3741 if (s == NULL
3742 || ! bfd_set_section_flags (abfd, s, flags | SEC_READONLY)
3743 || ! bfd_set_section_alignment (abfd, s, ptralign))
3744 return FALSE;
3745
3746 if (htab->sgot == NULL
3747 && !create_got_section (abfd, info))
3748 return FALSE;
3749
3750 {
3751 const char *secname;
3752 char *relname;
3753 flagword secflags;
3754 asection *sec;
3755
3756 for (sec = abfd->sections; sec; sec = sec->next)
3757 {
3758 secflags = bfd_get_section_flags (abfd, sec);
3759 if ((secflags & (SEC_DATA | SEC_LINKER_CREATED))
3760 || ((secflags & SEC_HAS_CONTENTS) != SEC_HAS_CONTENTS))
3761 continue;
3762 secname = bfd_get_section_name (abfd, sec);
3763 relname = (char *) bfd_malloc ((bfd_size_type) strlen (secname) + 6);
3764 strcpy (relname, ".rela");
3765 strcat (relname, secname);
3766 if (bfd_get_section_by_name (abfd, secname))
3767 continue;
3768 s = bfd_make_section (abfd, relname);
3769 if (s == NULL
3770 || ! bfd_set_section_flags (abfd, s, flags | SEC_READONLY)
3771 || ! bfd_set_section_alignment (abfd, s, ptralign))
3772 return FALSE;
3773 }
3774 }
3775
3776 if (bed->want_dynbss)
3777 {
3778 /* The .dynbss section is a place to put symbols which are defined
3779 by dynamic objects, are referenced by regular objects, and are
3780 not functions. We must allocate space for them in the process
3781 image and use a R_*_COPY reloc to tell the dynamic linker to
3782 initialize them at run time. The linker script puts the .dynbss
3783 section into the .bss section of the final image. */
3784 s = bfd_make_section (abfd, ".dynbss");
3785 htab->sdynbss = s;
3786 if (s == NULL
3787 || ! bfd_set_section_flags (abfd, s, SEC_ALLOC))
3788 return FALSE;
3789
3790 /* The .rel[a].bss section holds copy relocs. This section is not
3791 normally needed. We need to create it here, though, so that the
3792 linker will map it to an output section. We can't just create it
3793 only if we need it, because we will not know whether we need it
3794 until we have seen all the input files, and the first time the
3795 main linker code calls BFD after examining all the input files
3796 (size_dynamic_sections) the input sections have already been
3797 mapped to the output sections. If the section turns out not to
3798 be needed, we can discard it later. We will never need this
3799 section when generating a shared object, since they do not use
3800 copy relocs. */
3801 if (! info->shared)
3802 {
3803 s = bfd_make_section (abfd,
3804 (bed->default_use_rela_p
3805 ? ".rela.bss" : ".rel.bss"));
3806 htab->srelbss = s;
3807 if (s == NULL
3808 || ! bfd_set_section_flags (abfd, s, flags | SEC_READONLY)
3809 || ! bfd_set_section_alignment (abfd, s, ptralign))
3810 return FALSE;
3811 }
3812 }
3813
3814 return TRUE;
3815 }
3816 \f
3817 /* Adjust a symbol defined by a dynamic object and referenced by a
3818 regular object. The current definition is in some section of the
3819 dynamic object, but we're not including those sections. We have to
3820 change the definition to something the rest of the link can
3821 understand. */
3822
3823 static bfd_boolean
3824 sh_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
3825 struct elf_link_hash_entry *h)
3826 {
3827 struct elf_sh_link_hash_table *htab;
3828 struct elf_sh_link_hash_entry *eh;
3829 struct elf_sh_dyn_relocs *p;
3830 asection *s;
3831 unsigned int power_of_two;
3832
3833 htab = sh_elf_hash_table (info);
3834
3835 /* Make sure we know what is going on here. */
3836 BFD_ASSERT (htab->root.dynobj != NULL
3837 && (h->needs_plt
3838 || h->u.weakdef != NULL
3839 || (h->def_dynamic
3840 && h->ref_regular
3841 && !h->def_regular)));
3842
3843 /* If this is a function, put it in the procedure linkage table. We
3844 will fill in the contents of the procedure linkage table later,
3845 when we know the address of the .got section. */
3846 if (h->type == STT_FUNC
3847 || h->needs_plt)
3848 {
3849 if (h->plt.refcount <= 0
3850 || SYMBOL_CALLS_LOCAL (info, h)
3851 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
3852 && h->root.type == bfd_link_hash_undefweak))
3853 {
3854 /* This case can occur if we saw a PLT reloc in an input
3855 file, but the symbol was never referred to by a dynamic
3856 object. In such a case, we don't actually need to build
3857 a procedure linkage table, and we can just do a REL32
3858 reloc instead. */
3859 h->plt.offset = (bfd_vma) -1;
3860 h->needs_plt = 0;
3861 }
3862
3863 return TRUE;
3864 }
3865 else
3866 h->plt.offset = (bfd_vma) -1;
3867
3868 /* If this is a weak symbol, and there is a real definition, the
3869 processor independent code will have arranged for us to see the
3870 real definition first, and we can just use the same value. */
3871 if (h->u.weakdef != NULL)
3872 {
3873 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
3874 || h->u.weakdef->root.type == bfd_link_hash_defweak);
3875 h->root.u.def.section = h->u.weakdef->root.u.def.section;
3876 h->root.u.def.value = h->u.weakdef->root.u.def.value;
3877 if (info->nocopyreloc)
3878 h->non_got_ref = h->u.weakdef->non_got_ref;
3879 return TRUE;
3880 }
3881
3882 /* This is a reference to a symbol defined by a dynamic object which
3883 is not a function. */
3884
3885 /* If we are creating a shared library, we must presume that the
3886 only references to the symbol are via the global offset table.
3887 For such cases we need not do anything here; the relocations will
3888 be handled correctly by relocate_section. */
3889 if (info->shared)
3890 return TRUE;
3891
3892 /* If there are no references to this symbol that do not use the
3893 GOT, we don't need to generate a copy reloc. */
3894 if (!h->non_got_ref)
3895 return TRUE;
3896
3897 /* If -z nocopyreloc was given, we won't generate them either. */
3898 if (info->nocopyreloc)
3899 {
3900 h->non_got_ref = 0;
3901 return TRUE;
3902 }
3903
3904 eh = (struct elf_sh_link_hash_entry *) h;
3905 for (p = eh->dyn_relocs; p != NULL; p = p->next)
3906 {
3907 s = p->sec->output_section;
3908 if (s != NULL && (s->flags & (SEC_READONLY | SEC_HAS_CONTENTS)) != 0)
3909 break;
3910 }
3911
3912 /* If we didn't find any dynamic relocs in sections which needs the
3913 copy reloc, then we'll be keeping the dynamic relocs and avoiding
3914 the copy reloc. */
3915 if (p == NULL)
3916 {
3917 h->non_got_ref = 0;
3918 return TRUE;
3919 }
3920
3921 /* We must allocate the symbol in our .dynbss section, which will
3922 become part of the .bss section of the executable. There will be
3923 an entry for this symbol in the .dynsym section. The dynamic
3924 object will contain position independent code, so all references
3925 from the dynamic object to this symbol will go through the global
3926 offset table. The dynamic linker will use the .dynsym entry to
3927 determine the address it must put in the global offset table, so
3928 both the dynamic object and the regular object will refer to the
3929 same memory location for the variable. */
3930
3931 s = htab->sdynbss;
3932 BFD_ASSERT (s != NULL);
3933
3934 /* We must generate a R_SH_COPY reloc to tell the dynamic linker to
3935 copy the initial value out of the dynamic object and into the
3936 runtime process image. We need to remember the offset into the
3937 .rela.bss section we are going to use. */
3938 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
3939 {
3940 asection *srel;
3941
3942 srel = htab->srelbss;
3943 BFD_ASSERT (srel != NULL);
3944 srel->size += sizeof (Elf32_External_Rela);
3945 h->needs_copy = 1;
3946 }
3947
3948 /* We need to figure out the alignment required for this symbol. I
3949 have no idea how ELF linkers handle this. */
3950 power_of_two = bfd_log2 (h->size);
3951 if (power_of_two > 3)
3952 power_of_two = 3;
3953
3954 /* Apply the required alignment. */
3955 s->size = BFD_ALIGN (s->size, (bfd_size_type) (1 << power_of_two));
3956 if (power_of_two > bfd_get_section_alignment (htab->root.dynobj, s))
3957 {
3958 if (! bfd_set_section_alignment (htab->root.dynobj, s, power_of_two))
3959 return FALSE;
3960 }
3961
3962 /* Define the symbol as being at this point in the section. */
3963 h->root.u.def.section = s;
3964 h->root.u.def.value = s->size;
3965
3966 /* Increment the section size to make room for the symbol. */
3967 s->size += h->size;
3968
3969 return TRUE;
3970 }
3971
3972 /* Allocate space in .plt, .got and associated reloc sections for
3973 dynamic relocs. */
3974
3975 static bfd_boolean
3976 allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
3977 {
3978 struct bfd_link_info *info;
3979 struct elf_sh_link_hash_table *htab;
3980 struct elf_sh_link_hash_entry *eh;
3981 struct elf_sh_dyn_relocs *p;
3982
3983 if (h->root.type == bfd_link_hash_indirect)
3984 return TRUE;
3985
3986 if (h->root.type == bfd_link_hash_warning)
3987 /* When warning symbols are created, they **replace** the "real"
3988 entry in the hash table, thus we never get to see the real
3989 symbol in a hash traversal. So look at it now. */
3990 h = (struct elf_link_hash_entry *) h->root.u.i.link;
3991
3992 info = (struct bfd_link_info *) inf;
3993 htab = sh_elf_hash_table (info);
3994
3995 eh = (struct elf_sh_link_hash_entry *) h;
3996 if ((h->got.refcount > 0
3997 || h->forced_local)
3998 && eh->gotplt_refcount > 0)
3999 {
4000 /* The symbol has been forced local, or we have some direct got refs,
4001 so treat all the gotplt refs as got refs. */
4002 h->got.refcount += eh->gotplt_refcount;
4003 if (h->plt.refcount >= eh->gotplt_refcount)
4004 h->plt.refcount -= eh->gotplt_refcount;
4005 }
4006
4007 if (htab->root.dynamic_sections_created
4008 && h->plt.refcount > 0
4009 && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
4010 || h->root.type != bfd_link_hash_undefweak))
4011 {
4012 /* Make sure this symbol is output as a dynamic symbol.
4013 Undefined weak syms won't yet be marked as dynamic. */
4014 if (h->dynindx == -1
4015 && !h->forced_local)
4016 {
4017 if (! bfd_elf_link_record_dynamic_symbol (info, h))
4018 return FALSE;
4019 }
4020
4021 if (info->shared
4022 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h))
4023 {
4024 asection *s = htab->splt;
4025
4026 /* If this is the first .plt entry, make room for the special
4027 first entry. */
4028 if (s->size == 0)
4029 s->size += PLT_ENTRY_SIZE;
4030
4031 h->plt.offset = s->size;
4032
4033 /* If this symbol is not defined in a regular file, and we are
4034 not generating a shared library, then set the symbol to this
4035 location in the .plt. This is required to make function
4036 pointers compare as equal between the normal executable and
4037 the shared library. */
4038 if (! info->shared
4039 && !h->def_regular)
4040 {
4041 h->root.u.def.section = s;
4042 h->root.u.def.value = h->plt.offset;
4043 }
4044
4045 /* Make room for this entry. */
4046 s->size += PLT_ENTRY_SIZE;
4047
4048 /* We also need to make an entry in the .got.plt section, which
4049 will be placed in the .got section by the linker script. */
4050 htab->sgotplt->size += 4;
4051
4052 /* We also need to make an entry in the .rel.plt section. */
4053 htab->srelplt->size += sizeof (Elf32_External_Rela);
4054 }
4055 else
4056 {
4057 h->plt.offset = (bfd_vma) -1;
4058 h->needs_plt = 0;
4059 }
4060 }
4061 else
4062 {
4063 h->plt.offset = (bfd_vma) -1;
4064 h->needs_plt = 0;
4065 }
4066
4067 if (h->got.refcount > 0)
4068 {
4069 asection *s;
4070 bfd_boolean dyn;
4071 int tls_type = sh_elf_hash_entry (h)->tls_type;
4072
4073 /* Make sure this symbol is output as a dynamic symbol.
4074 Undefined weak syms won't yet be marked as dynamic. */
4075 if (h->dynindx == -1
4076 && !h->forced_local)
4077 {
4078 if (! bfd_elf_link_record_dynamic_symbol (info, h))
4079 return FALSE;
4080 }
4081
4082 s = htab->sgot;
4083 h->got.offset = s->size;
4084 s->size += 4;
4085 /* R_SH_TLS_GD needs 2 consecutive GOT slots. */
4086 if (tls_type == GOT_TLS_GD)
4087 s->size += 4;
4088 dyn = htab->root.dynamic_sections_created;
4089 /* R_SH_TLS_IE_32 needs one dynamic relocation if dynamic,
4090 R_SH_TLS_GD needs one if local symbol and two if global. */
4091 if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
4092 || (tls_type == GOT_TLS_IE && dyn))
4093 htab->srelgot->size += sizeof (Elf32_External_Rela);
4094 else if (tls_type == GOT_TLS_GD)
4095 htab->srelgot->size += 2 * sizeof (Elf32_External_Rela);
4096 else if ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
4097 || h->root.type != bfd_link_hash_undefweak)
4098 && (info->shared
4099 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h)))
4100 htab->srelgot->size += sizeof (Elf32_External_Rela);
4101 }
4102 else
4103 h->got.offset = (bfd_vma) -1;
4104
4105 #ifdef INCLUDE_SHMEDIA
4106 if (eh->datalabel_got.refcount > 0)
4107 {
4108 asection *s;
4109 bfd_boolean dyn;
4110
4111 /* Make sure this symbol is output as a dynamic symbol.
4112 Undefined weak syms won't yet be marked as dynamic. */
4113 if (h->dynindx == -1
4114 && !h->forced_local)
4115 {
4116 if (! bfd_elf_link_record_dynamic_symbol (info, h))
4117 return FALSE;
4118 }
4119
4120 s = htab->sgot;
4121 eh->datalabel_got.offset = s->size;
4122 s->size += 4;
4123 dyn = htab->root.dynamic_sections_created;
4124 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h))
4125 htab->srelgot->size += sizeof (Elf32_External_Rela);
4126 }
4127 else
4128 eh->datalabel_got.offset = (bfd_vma) -1;
4129 #endif
4130
4131 if (eh->dyn_relocs == NULL)
4132 return TRUE;
4133
4134 /* In the shared -Bsymbolic case, discard space allocated for
4135 dynamic pc-relative relocs against symbols which turn out to be
4136 defined in regular objects. For the normal shared case, discard
4137 space for pc-relative relocs that have become local due to symbol
4138 visibility changes. */
4139
4140 if (info->shared)
4141 {
4142 if (SYMBOL_CALLS_LOCAL (info, h))
4143 {
4144 struct elf_sh_dyn_relocs **pp;
4145
4146 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
4147 {
4148 p->count -= p->pc_count;
4149 p->pc_count = 0;
4150 if (p->count == 0)
4151 *pp = p->next;
4152 else
4153 pp = &p->next;
4154 }
4155 }
4156
4157 /* Also discard relocs on undefined weak syms with non-default
4158 visibility. */
4159 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
4160 && h->root.type == bfd_link_hash_undefweak)
4161 eh->dyn_relocs = NULL;
4162 }
4163 else
4164 {
4165 /* For the non-shared case, discard space for relocs against
4166 symbols which turn out to need copy relocs or are not
4167 dynamic. */
4168
4169 if (!h->non_got_ref
4170 && ((h->def_dynamic
4171 && !h->def_regular)
4172 || (htab->root.dynamic_sections_created
4173 && (h->root.type == bfd_link_hash_undefweak
4174 || h->root.type == bfd_link_hash_undefined))))
4175 {
4176 /* Make sure this symbol is output as a dynamic symbol.
4177 Undefined weak syms won't yet be marked as dynamic. */
4178 if (h->dynindx == -1
4179 && !h->forced_local)
4180 {
4181 if (! bfd_elf_link_record_dynamic_symbol (info, h))
4182 return FALSE;
4183 }
4184
4185 /* If that succeeded, we know we'll be keeping all the
4186 relocs. */
4187 if (h->dynindx != -1)
4188 goto keep;
4189 }
4190
4191 eh->dyn_relocs = NULL;
4192
4193 keep: ;
4194 }
4195
4196 /* Finally, allocate space. */
4197 for (p = eh->dyn_relocs; p != NULL; p = p->next)
4198 {
4199 asection *sreloc = elf_section_data (p->sec)->sreloc;
4200 sreloc->size += p->count * sizeof (Elf32_External_Rela);
4201 }
4202
4203 return TRUE;
4204 }
4205
4206 /* Find any dynamic relocs that apply to read-only sections. */
4207
4208 static bfd_boolean
4209 readonly_dynrelocs (struct elf_link_hash_entry *h, void *inf)
4210 {
4211 struct elf_sh_link_hash_entry *eh;
4212 struct elf_sh_dyn_relocs *p;
4213
4214 if (h->root.type == bfd_link_hash_warning)
4215 h = (struct elf_link_hash_entry *) h->root.u.i.link;
4216
4217 eh = (struct elf_sh_link_hash_entry *) h;
4218 for (p = eh->dyn_relocs; p != NULL; p = p->next)
4219 {
4220 asection *s = p->sec->output_section;
4221
4222 if (s != NULL && (s->flags & SEC_READONLY) != 0)
4223 {
4224 struct bfd_link_info *info = (struct bfd_link_info *) inf;
4225
4226 info->flags |= DF_TEXTREL;
4227
4228 /* Not an error, just cut short the traversal. */
4229 return FALSE;
4230 }
4231 }
4232 return TRUE;
4233 }
4234
4235 /* Set the sizes of the dynamic sections. */
4236
4237 static bfd_boolean
4238 sh_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
4239 struct bfd_link_info *info)
4240 {
4241 struct elf_sh_link_hash_table *htab;
4242 bfd *dynobj;
4243 asection *s;
4244 bfd_boolean relocs;
4245 bfd *ibfd;
4246
4247 htab = sh_elf_hash_table (info);
4248 dynobj = htab->root.dynobj;
4249 BFD_ASSERT (dynobj != NULL);
4250
4251 if (htab->root.dynamic_sections_created)
4252 {
4253 /* Set the contents of the .interp section to the interpreter. */
4254 if (info->executable)
4255 {
4256 s = bfd_get_section_by_name (dynobj, ".interp");
4257 BFD_ASSERT (s != NULL);
4258 s->size = sizeof ELF_DYNAMIC_INTERPRETER;
4259 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
4260 }
4261 }
4262
4263 /* Set up .got offsets for local syms, and space for local dynamic
4264 relocs. */
4265 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
4266 {
4267 bfd_signed_vma *local_got;
4268 bfd_signed_vma *end_local_got;
4269 char *local_tls_type;
4270 bfd_size_type locsymcount;
4271 Elf_Internal_Shdr *symtab_hdr;
4272 asection *srel;
4273
4274 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour)
4275 continue;
4276
4277 for (s = ibfd->sections; s != NULL; s = s->next)
4278 {
4279 struct elf_sh_dyn_relocs *p;
4280
4281 for (p = ((struct elf_sh_dyn_relocs *)
4282 elf_section_data (s)->local_dynrel);
4283 p != NULL;
4284 p = p->next)
4285 {
4286 if (! bfd_is_abs_section (p->sec)
4287 && bfd_is_abs_section (p->sec->output_section))
4288 {
4289 /* Input section has been discarded, either because
4290 it is a copy of a linkonce section or due to
4291 linker script /DISCARD/, so we'll be discarding
4292 the relocs too. */
4293 }
4294 else if (p->count != 0)
4295 {
4296 srel = elf_section_data (p->sec)->sreloc;
4297 srel->size += p->count * sizeof (Elf32_External_Rela);
4298 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
4299 info->flags |= DF_TEXTREL;
4300 }
4301 }
4302 }
4303
4304 local_got = elf_local_got_refcounts (ibfd);
4305 if (!local_got)
4306 continue;
4307
4308 symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
4309 locsymcount = symtab_hdr->sh_info;
4310 #ifdef INCLUDE_SHMEDIA
4311 /* Count datalabel local GOT. */
4312 locsymcount *= 2;
4313 #endif
4314 end_local_got = local_got + locsymcount;
4315 local_tls_type = sh_elf_local_got_tls_type (ibfd);
4316 s = htab->sgot;
4317 srel = htab->srelgot;
4318 for (; local_got < end_local_got; ++local_got)
4319 {
4320 if (*local_got > 0)
4321 {
4322 *local_got = s->size;
4323 s->size += 4;
4324 if (*local_tls_type == GOT_TLS_GD)
4325 s->size += 4;
4326 if (info->shared)
4327 srel->size += sizeof (Elf32_External_Rela);
4328 }
4329 else
4330 *local_got = (bfd_vma) -1;
4331 ++local_tls_type;
4332 }
4333 }
4334
4335 if (htab->tls_ldm_got.refcount > 0)
4336 {
4337 /* Allocate 2 got entries and 1 dynamic reloc for R_SH_TLS_LD_32
4338 relocs. */
4339 htab->tls_ldm_got.offset = htab->sgot->size;
4340 htab->sgot->size += 8;
4341 htab->srelgot->size += sizeof (Elf32_External_Rela);
4342 }
4343 else
4344 htab->tls_ldm_got.offset = -1;
4345
4346 /* Allocate global sym .plt and .got entries, and space for global
4347 sym dynamic relocs. */
4348 elf_link_hash_traverse (&htab->root, allocate_dynrelocs, info);
4349
4350 /* We now have determined the sizes of the various dynamic sections.
4351 Allocate memory for them. */
4352 relocs = FALSE;
4353 for (s = dynobj->sections; s != NULL; s = s->next)
4354 {
4355 if ((s->flags & SEC_LINKER_CREATED) == 0)
4356 continue;
4357
4358 if (s == htab->splt
4359 || s == htab->sgot
4360 || s == htab->sgotplt)
4361 {
4362 /* Strip this section if we don't need it; see the
4363 comment below. */
4364 }
4365 else if (strncmp (bfd_get_section_name (dynobj, s), ".rela", 5) == 0)
4366 {
4367 if (s->size != 0 && s != htab->srelplt)
4368 relocs = TRUE;
4369
4370 /* We use the reloc_count field as a counter if we need
4371 to copy relocs into the output file. */
4372 s->reloc_count = 0;
4373 }
4374 else
4375 {
4376 /* It's not one of our sections, so don't allocate space. */
4377 continue;
4378 }
4379
4380 if (s->size == 0)
4381 {
4382 /* If we don't need this section, strip it from the
4383 output file. This is mostly to handle .rela.bss and
4384 .rela.plt. We must create both sections in
4385 create_dynamic_sections, because they must be created
4386 before the linker maps input sections to output
4387 sections. The linker does that before
4388 adjust_dynamic_symbol is called, and it is that
4389 function which decides whether anything needs to go
4390 into these sections. */
4391
4392 _bfd_strip_section_from_output (info, s);
4393 continue;
4394 }
4395
4396 /* Allocate memory for the section contents. We use bfd_zalloc
4397 here in case unused entries are not reclaimed before the
4398 section's contents are written out. This should not happen,
4399 but this way if it does, we get a R_SH_NONE reloc instead
4400 of garbage. */
4401 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
4402 if (s->contents == NULL)
4403 return FALSE;
4404 }
4405
4406 if (htab->root.dynamic_sections_created)
4407 {
4408 /* Add some entries to the .dynamic section. We fill in the
4409 values later, in sh_elf_finish_dynamic_sections, but we
4410 must add the entries now so that we get the correct size for
4411 the .dynamic section. The DT_DEBUG entry is filled in by the
4412 dynamic linker and used by the debugger. */
4413 #define add_dynamic_entry(TAG, VAL) \
4414 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
4415
4416 if (info->executable)
4417 {
4418 if (! add_dynamic_entry (DT_DEBUG, 0))
4419 return FALSE;
4420 }
4421
4422 if (htab->splt->size != 0)
4423 {
4424 if (! add_dynamic_entry (DT_PLTGOT, 0)
4425 || ! add_dynamic_entry (DT_PLTRELSZ, 0)
4426 || ! add_dynamic_entry (DT_PLTREL, DT_RELA)
4427 || ! add_dynamic_entry (DT_JMPREL, 0))
4428 return FALSE;
4429 }
4430
4431 if (relocs)
4432 {
4433 if (! add_dynamic_entry (DT_RELA, 0)
4434 || ! add_dynamic_entry (DT_RELASZ, 0)
4435 || ! add_dynamic_entry (DT_RELAENT,
4436 sizeof (Elf32_External_Rela)))
4437 return FALSE;
4438
4439 /* If any dynamic relocs apply to a read-only section,
4440 then we need a DT_TEXTREL entry. */
4441 if ((info->flags & DF_TEXTREL) == 0)
4442 elf_link_hash_traverse (&htab->root, readonly_dynrelocs, info);
4443
4444 if ((info->flags & DF_TEXTREL) != 0)
4445 {
4446 if (! add_dynamic_entry (DT_TEXTREL, 0))
4447 return FALSE;
4448 }
4449 }
4450 }
4451 #undef add_dynamic_entry
4452
4453 return TRUE;
4454 }
4455 \f
4456 /* Relocate an SH ELF section. */
4457
4458 static bfd_boolean
4459 sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
4460 bfd *input_bfd, asection *input_section,
4461 bfd_byte *contents, Elf_Internal_Rela *relocs,
4462 Elf_Internal_Sym *local_syms,
4463 asection **local_sections)
4464 {
4465 struct elf_sh_link_hash_table *htab;
4466 Elf_Internal_Shdr *symtab_hdr;
4467 struct elf_link_hash_entry **sym_hashes;
4468 Elf_Internal_Rela *rel, *relend;
4469 bfd *dynobj;
4470 bfd_vma *local_got_offsets;
4471 asection *sgot;
4472 asection *sgotplt;
4473 asection *splt;
4474 asection *sreloc;
4475 asection *srelgot;
4476
4477 htab = sh_elf_hash_table (info);
4478 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
4479 sym_hashes = elf_sym_hashes (input_bfd);
4480 dynobj = htab->root.dynobj;
4481 local_got_offsets = elf_local_got_offsets (input_bfd);
4482
4483 sgot = htab->sgot;
4484 sgotplt = htab->sgotplt;
4485 splt = htab->splt;
4486 sreloc = NULL;
4487 srelgot = NULL;
4488
4489 rel = relocs;
4490 relend = relocs + input_section->reloc_count;
4491 for (; rel < relend; rel++)
4492 {
4493 int r_type;
4494 reloc_howto_type *howto;
4495 unsigned long r_symndx;
4496 Elf_Internal_Sym *sym;
4497 asection *sec;
4498 struct elf_link_hash_entry *h;
4499 bfd_vma relocation;
4500 bfd_vma addend = (bfd_vma) 0;
4501 bfd_reloc_status_type r;
4502 int seen_stt_datalabel = 0;
4503 bfd_vma off;
4504 int tls_type;
4505
4506 r_symndx = ELF32_R_SYM (rel->r_info);
4507
4508 r_type = ELF32_R_TYPE (rel->r_info);
4509
4510 /* Many of the relocs are only used for relaxing, and are
4511 handled entirely by the relaxation code. */
4512 if (r_type >= (int) R_SH_GNU_VTINHERIT
4513 && r_type <= (int) R_SH_LABEL)
4514 continue;
4515 if (r_type == (int) R_SH_NONE)
4516 continue;
4517
4518 if (r_type < 0
4519 || r_type >= R_SH_max
4520 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC
4521 && r_type <= (int) R_SH_LAST_INVALID_RELOC)
4522 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_3
4523 && r_type <= (int) R_SH_LAST_INVALID_RELOC_3)
4524 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_4
4525 && r_type <= (int) R_SH_LAST_INVALID_RELOC_4)
4526 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_5
4527 && r_type <= (int) R_SH_LAST_INVALID_RELOC_5)
4528 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC_2
4529 && r_type <= (int) R_SH_LAST_INVALID_RELOC_2))
4530 {
4531 bfd_set_error (bfd_error_bad_value);
4532 return FALSE;
4533 }
4534
4535 howto = sh_elf_howto_table + r_type;
4536
4537 /* For relocs that aren't partial_inplace, we get the addend from
4538 the relocation. */
4539 if (! howto->partial_inplace)
4540 addend = rel->r_addend;
4541
4542 h = NULL;
4543 sym = NULL;
4544 sec = NULL;
4545 if (r_symndx < symtab_hdr->sh_info)
4546 {
4547 sym = local_syms + r_symndx;
4548 sec = local_sections[r_symndx];
4549 relocation = (sec->output_section->vma
4550 + sec->output_offset
4551 + sym->st_value);
4552 /* A local symbol never has STO_SH5_ISA32, so we don't need
4553 datalabel processing here. Make sure this does not change
4554 without notice. */
4555 if ((sym->st_other & STO_SH5_ISA32) != 0)
4556 ((*info->callbacks->reloc_dangerous)
4557 (info,
4558 _("Unexpected STO_SH5_ISA32 on local symbol is not handled"),
4559 input_bfd, input_section, rel->r_offset));
4560 if (info->relocatable)
4561 {
4562 /* This is a relocatable link. We don't have to change
4563 anything, unless the reloc is against a section symbol,
4564 in which case we have to adjust according to where the
4565 section symbol winds up in the output section. */
4566 sym = local_syms + r_symndx;
4567 if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
4568 {
4569 if (! howto->partial_inplace)
4570 {
4571 /* For relocations with the addend in the
4572 relocation, we need just to update the addend.
4573 All real relocs are of type partial_inplace; this
4574 code is mostly for completeness. */
4575 rel->r_addend += sec->output_offset + sym->st_value;
4576
4577 continue;
4578 }
4579
4580 /* Relocs of type partial_inplace need to pick up the
4581 contents in the contents and add the offset resulting
4582 from the changed location of the section symbol.
4583 Using _bfd_final_link_relocate (e.g. goto
4584 final_link_relocate) here would be wrong, because
4585 relocations marked pc_relative would get the current
4586 location subtracted, and we must only do that at the
4587 final link. */
4588 r = _bfd_relocate_contents (howto, input_bfd,
4589 sec->output_offset
4590 + sym->st_value,
4591 contents + rel->r_offset);
4592 goto relocation_done;
4593 }
4594
4595 continue;
4596 }
4597 else if (! howto->partial_inplace)
4598 {
4599 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
4600 addend = rel->r_addend;
4601 }
4602 else if ((sec->flags & SEC_MERGE)
4603 && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
4604 {
4605 asection *msec;
4606
4607 if (howto->rightshift || howto->src_mask != 0xffffffff)
4608 {
4609 (*_bfd_error_handler)
4610 (_("%B(%A+0x%lx): %s relocation against SEC_MERGE section"),
4611 input_bfd, input_section,
4612 (long) rel->r_offset, howto->name);
4613 return FALSE;
4614 }
4615
4616 addend = bfd_get_32 (input_bfd, contents + rel->r_offset);
4617 msec = sec;
4618 addend =
4619 _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend)
4620 - relocation;
4621 addend += msec->output_section->vma + msec->output_offset;
4622 bfd_put_32 (input_bfd, addend, contents + rel->r_offset);
4623 addend = 0;
4624 }
4625 }
4626 else
4627 {
4628 /* FIXME: Ought to make use of the RELOC_FOR_GLOBAL_SYMBOL macro. */
4629
4630 /* Section symbol are never (?) placed in the hash table, so
4631 we can just ignore hash relocations when creating a
4632 relocatable object file. */
4633 if (info->relocatable)
4634 continue;
4635
4636 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
4637 while (h->root.type == bfd_link_hash_indirect
4638 || h->root.type == bfd_link_hash_warning)
4639 {
4640 #ifdef INCLUDE_SHMEDIA
4641 /* If the reference passes a symbol marked with
4642 STT_DATALABEL, then any STO_SH5_ISA32 on the final value
4643 doesn't count. */
4644 seen_stt_datalabel |= h->type == STT_DATALABEL;
4645 #endif
4646 h = (struct elf_link_hash_entry *) h->root.u.i.link;
4647 }
4648 if (h->root.type == bfd_link_hash_defined
4649 || h->root.type == bfd_link_hash_defweak)
4650 {
4651 bfd_boolean dyn;
4652
4653 dyn = htab->root.dynamic_sections_created;
4654 sec = h->root.u.def.section;
4655 /* In these cases, we don't need the relocation value.
4656 We check specially because in some obscure cases
4657 sec->output_section will be NULL. */
4658 if (r_type == R_SH_GOTPC
4659 || r_type == R_SH_GOTPC_LOW16
4660 || r_type == R_SH_GOTPC_MEDLOW16
4661 || r_type == R_SH_GOTPC_MEDHI16
4662 || r_type == R_SH_GOTPC_HI16
4663 || ((r_type == R_SH_PLT32
4664 || r_type == R_SH_PLT_LOW16
4665 || r_type == R_SH_PLT_MEDLOW16
4666 || r_type == R_SH_PLT_MEDHI16
4667 || r_type == R_SH_PLT_HI16)
4668 && h->plt.offset != (bfd_vma) -1)
4669 || ((r_type == R_SH_GOT32
4670 || r_type == R_SH_GOT_LOW16
4671 || r_type == R_SH_GOT_MEDLOW16
4672 || r_type == R_SH_GOT_MEDHI16
4673 || r_type == R_SH_GOT_HI16)
4674 && WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
4675 && (! info->shared
4676 || (! info->symbolic && h->dynindx != -1)
4677 || !h->def_regular))
4678 /* The cases above are those in which relocation is
4679 overwritten in the switch block below. The cases
4680 below are those in which we must defer relocation
4681 to run-time, because we can't resolve absolute
4682 addresses when creating a shared library. */
4683 || (info->shared
4684 && ((! info->symbolic && h->dynindx != -1)
4685 || !h->def_regular)
4686 && ((r_type == R_SH_DIR32
4687 && !h->forced_local)
4688 || r_type == R_SH_REL32)
4689 && ((input_section->flags & SEC_ALLOC) != 0
4690 /* DWARF will emit R_SH_DIR32 relocations in its
4691 sections against symbols defined externally
4692 in shared libraries. We can't do anything
4693 with them here. */
4694 || ((input_section->flags & SEC_DEBUGGING) != 0
4695 && h->def_dynamic)))
4696 /* Dynamic relocs are not propagated for SEC_DEBUGGING
4697 sections because such sections are not SEC_ALLOC and
4698 thus ld.so will not process them. */
4699 || (sec->output_section == NULL
4700 && ((input_section->flags & SEC_DEBUGGING) != 0
4701 && h->def_dynamic))
4702 || (sec->output_section == NULL
4703 && (sh_elf_hash_entry (h)->tls_type == GOT_TLS_IE
4704 || sh_elf_hash_entry (h)->tls_type == GOT_TLS_GD)))
4705 relocation = 0;
4706 else if (sec->output_section == NULL)
4707 {
4708 (*_bfd_error_handler)
4709 (_("%B(%A): unresolvable relocation against symbol `%s'"),
4710 input_bfd, input_section, h->root.root.string);
4711 return FALSE;
4712 }
4713 else
4714 relocation = ((h->root.u.def.value
4715 + sec->output_section->vma
4716 + sec->output_offset)
4717 /* A STO_SH5_ISA32 causes a "bitor 1" to the
4718 symbol value, unless we've seen
4719 STT_DATALABEL on the way to it. */
4720 | ((h->other & STO_SH5_ISA32) != 0
4721 && ! seen_stt_datalabel));
4722 }
4723 else if (h->root.type == bfd_link_hash_undefweak)
4724 relocation = 0;
4725 else if (info->unresolved_syms_in_objects == RM_IGNORE
4726 && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
4727 relocation = 0;
4728 else
4729 {
4730 if (! info->callbacks->undefined_symbol
4731 (info, h->root.root.string, input_bfd,
4732 input_section, rel->r_offset,
4733 (info->unresolved_syms_in_objects == RM_GENERATE_ERROR
4734 || ELF_ST_VISIBILITY (h->other))))
4735 return FALSE;
4736 relocation = 0;
4737 }
4738 }
4739
4740 switch ((int) r_type)
4741 {
4742 final_link_relocate:
4743 /* COFF relocs don't use the addend. The addend is used for
4744 R_SH_DIR32 to be compatible with other compilers. */
4745 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
4746 contents, rel->r_offset,
4747 relocation, addend);
4748 break;
4749
4750 case R_SH_IND12W:
4751 goto final_link_relocate;
4752
4753 case R_SH_DIR8WPN:
4754 case R_SH_DIR8WPZ:
4755 case R_SH_DIR8WPL:
4756 /* If the reloc is against the start of this section, then
4757 the assembler has already taken care of it and the reloc
4758 is here only to assist in relaxing. If the reloc is not
4759 against the start of this section, then it's against an
4760 external symbol and we must deal with it ourselves. */
4761 if (input_section->output_section->vma + input_section->output_offset
4762 != relocation)
4763 {
4764 int disp = (relocation
4765 - input_section->output_section->vma
4766 - input_section->output_offset
4767 - rel->r_offset);
4768 int mask = 0;
4769 switch (r_type)
4770 {
4771 case R_SH_DIR8WPN:
4772 case R_SH_DIR8WPZ: mask = 1; break;
4773 case R_SH_DIR8WPL: mask = 3; break;
4774 default: mask = 0; break;
4775 }
4776 if (disp & mask)
4777 {
4778 ((*_bfd_error_handler)
4779 (_("%B: 0x%lx: fatal: unaligned branch target for relax-support relocation"),
4780 input_section->owner,
4781 (unsigned long) rel->r_offset));
4782 bfd_set_error (bfd_error_bad_value);
4783 return FALSE;
4784 }
4785 relocation -= 4;
4786 goto final_link_relocate;
4787 }
4788 r = bfd_reloc_ok;
4789 break;
4790
4791 default:
4792 #ifdef INCLUDE_SHMEDIA
4793 if (shmedia_prepare_reloc (info, input_bfd, input_section,
4794 contents, rel, &relocation))
4795 goto final_link_relocate;
4796 #endif
4797 bfd_set_error (bfd_error_bad_value);
4798 return FALSE;
4799
4800 case R_SH_DIR16:
4801 case R_SH_DIR8:
4802 case R_SH_DIR8U:
4803 case R_SH_DIR8S:
4804 case R_SH_DIR4U:
4805 goto final_link_relocate;
4806
4807 case R_SH_DIR8UL:
4808 case R_SH_DIR4UL:
4809 if (relocation & 3)
4810 {
4811 ((*_bfd_error_handler)
4812 (_("%B: 0x%lx: fatal: unaligned %s relocation 0x%lx"),
4813 input_section->owner,
4814 (unsigned long) rel->r_offset, howto->name,
4815 (unsigned long) relocation));
4816 bfd_set_error (bfd_error_bad_value);
4817 return FALSE;
4818 }
4819 goto final_link_relocate;
4820
4821 case R_SH_DIR8UW:
4822 case R_SH_DIR8SW:
4823 case R_SH_DIR4UW:
4824 if (relocation & 1)
4825 {
4826 ((*_bfd_error_handler)
4827 (_("%B: 0x%lx: fatal: unaligned %s relocation 0x%lx"),
4828 input_section->owner,
4829 (unsigned long) rel->r_offset, howto->name,
4830 (unsigned long) relocation));
4831 bfd_set_error (bfd_error_bad_value);
4832 return FALSE;
4833 }
4834 goto final_link_relocate;
4835
4836 case R_SH_PSHA:
4837 if ((signed int)relocation < -32
4838 || (signed int)relocation > 32)
4839 {
4840 ((*_bfd_error_handler)
4841 (_("%B: 0x%lx: fatal: R_SH_PSHA relocation %d not in range -32..32"),
4842 input_section->owner,
4843 (unsigned long) rel->r_offset,
4844 (unsigned long) relocation));
4845 bfd_set_error (bfd_error_bad_value);
4846 return FALSE;
4847 }
4848 goto final_link_relocate;
4849
4850 case R_SH_PSHL:
4851 if ((signed int)relocation < -16
4852 || (signed int)relocation > 16)
4853 {
4854 ((*_bfd_error_handler)
4855 (_("%B: 0x%lx: fatal: R_SH_PSHL relocation %d not in range -32..32"),
4856 input_section->owner,
4857 (unsigned long) rel->r_offset,
4858 (unsigned long) relocation));
4859 bfd_set_error (bfd_error_bad_value);
4860 return FALSE;
4861 }
4862 goto final_link_relocate;
4863
4864 case R_SH_DIR32:
4865 case R_SH_REL32:
4866 #ifdef INCLUDE_SHMEDIA
4867 case R_SH_IMM_LOW16_PCREL:
4868 case R_SH_IMM_MEDLOW16_PCREL:
4869 case R_SH_IMM_MEDHI16_PCREL:
4870 case R_SH_IMM_HI16_PCREL:
4871 #endif
4872 if (info->shared
4873 && (h == NULL
4874 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
4875 || h->root.type != bfd_link_hash_undefweak)
4876 && r_symndx != 0
4877 && (input_section->flags & SEC_ALLOC) != 0
4878 && (r_type == R_SH_DIR32
4879 || !SYMBOL_CALLS_LOCAL (info, h)))
4880 {
4881 Elf_Internal_Rela outrel;
4882 bfd_byte *loc;
4883 bfd_boolean skip, relocate;
4884
4885 /* When generating a shared object, these relocations
4886 are copied into the output file to be resolved at run
4887 time. */
4888
4889 if (sreloc == NULL)
4890 {
4891 const char *name;
4892
4893 name = (bfd_elf_string_from_elf_section
4894 (input_bfd,
4895 elf_elfheader (input_bfd)->e_shstrndx,
4896 elf_section_data (input_section)->rel_hdr.sh_name));
4897 if (name == NULL)
4898 return FALSE;
4899
4900 BFD_ASSERT (strncmp (name, ".rela", 5) == 0
4901 && strcmp (bfd_get_section_name (input_bfd,
4902 input_section),
4903 name + 5) == 0);
4904
4905 sreloc = bfd_get_section_by_name (dynobj, name);
4906 BFD_ASSERT (sreloc != NULL);
4907 }
4908
4909 skip = FALSE;
4910 relocate = FALSE;
4911
4912 outrel.r_offset =
4913 _bfd_elf_section_offset (output_bfd, info, input_section,
4914 rel->r_offset);
4915 if (outrel.r_offset == (bfd_vma) -1)
4916 skip = TRUE;
4917 else if (outrel.r_offset == (bfd_vma) -2)
4918 skip = TRUE, relocate = TRUE;
4919 outrel.r_offset += (input_section->output_section->vma
4920 + input_section->output_offset);
4921
4922 if (skip)
4923 memset (&outrel, 0, sizeof outrel);
4924 else if (r_type == R_SH_REL32)
4925 {
4926 BFD_ASSERT (h != NULL && h->dynindx != -1);
4927 outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_REL32);
4928 outrel.r_addend
4929 = bfd_get_32 (input_bfd, contents + rel->r_offset);
4930 }
4931 #ifdef INCLUDE_SHMEDIA
4932 else if (r_type == R_SH_IMM_LOW16_PCREL
4933 || r_type == R_SH_IMM_MEDLOW16_PCREL
4934 || r_type == R_SH_IMM_MEDHI16_PCREL
4935 || r_type == R_SH_IMM_HI16_PCREL)
4936 {
4937 BFD_ASSERT (h != NULL && h->dynindx != -1);
4938 outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
4939 outrel.r_addend = addend;
4940 }
4941 #endif
4942 else
4943 {
4944 /* h->dynindx may be -1 if this symbol was marked to
4945 become local. */
4946 if (h == NULL
4947 || ((info->symbolic || h->dynindx == -1)
4948 && h->def_regular))
4949 {
4950 relocate = TRUE;
4951 outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
4952 outrel.r_addend
4953 = relocation + bfd_get_32 (input_bfd,
4954 contents + rel->r_offset);
4955 }
4956 else
4957 {
4958 BFD_ASSERT (h->dynindx != -1);
4959 outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_DIR32);
4960 outrel.r_addend
4961 = relocation + bfd_get_32 (input_bfd,
4962 contents + rel->r_offset);
4963 }
4964 }
4965
4966 loc = sreloc->contents;
4967 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
4968 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
4969
4970 /* If this reloc is against an external symbol, we do
4971 not want to fiddle with the addend. Otherwise, we
4972 need to include the symbol value so that it becomes
4973 an addend for the dynamic reloc. */
4974 if (! relocate)
4975 continue;
4976 }
4977 goto final_link_relocate;
4978
4979 case R_SH_GOTPLT32:
4980 #ifdef INCLUDE_SHMEDIA
4981 case R_SH_GOTPLT_LOW16:
4982 case R_SH_GOTPLT_MEDLOW16:
4983 case R_SH_GOTPLT_MEDHI16:
4984 case R_SH_GOTPLT_HI16:
4985 case R_SH_GOTPLT10BY4:
4986 case R_SH_GOTPLT10BY8:
4987 #endif
4988 /* Relocation is to the entry for this symbol in the
4989 procedure linkage table. */
4990
4991 if (h == NULL
4992 || h->forced_local
4993 || ! info->shared
4994 || info->symbolic
4995 || h->dynindx == -1
4996 || h->plt.offset == (bfd_vma) -1
4997 || h->got.offset != (bfd_vma) -1)
4998 goto force_got;
4999
5000 /* Relocation is to the entry for this symbol in the global
5001 offset table extension for the procedure linkage table. */
5002
5003 BFD_ASSERT (sgotplt != NULL);
5004 relocation = (sgotplt->output_offset
5005 + ((h->plt.offset / elf_sh_sizeof_plt (info)
5006 - 1 + 3) * 4));
5007
5008 #ifdef GOT_BIAS
5009 relocation -= GOT_BIAS;
5010 #endif
5011
5012 goto final_link_relocate;
5013
5014 force_got:
5015 case R_SH_GOT32:
5016 #ifdef INCLUDE_SHMEDIA
5017 case R_SH_GOT_LOW16:
5018 case R_SH_GOT_MEDLOW16:
5019 case R_SH_GOT_MEDHI16:
5020 case R_SH_GOT_HI16:
5021 case R_SH_GOT10BY4:
5022 case R_SH_GOT10BY8:
5023 #endif
5024 /* Relocation is to the entry for this symbol in the global
5025 offset table. */
5026
5027 BFD_ASSERT (sgot != NULL);
5028
5029 if (h != NULL)
5030 {
5031 bfd_boolean dyn;
5032
5033 off = h->got.offset;
5034 #ifdef INCLUDE_SHMEDIA
5035 if (seen_stt_datalabel)
5036 {
5037 struct elf_sh_link_hash_entry *hsh;
5038
5039 hsh = (struct elf_sh_link_hash_entry *)h;
5040 off = hsh->datalabel_got.offset;
5041 }
5042 #endif
5043 BFD_ASSERT (off != (bfd_vma) -1);
5044
5045 dyn = htab->root.dynamic_sections_created;
5046 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
5047 || (info->shared
5048 && SYMBOL_REFERENCES_LOCAL (info, h))
5049 || (ELF_ST_VISIBILITY (h->other)
5050 && h->root.type == bfd_link_hash_undefweak))
5051 {
5052 /* This is actually a static link, or it is a
5053 -Bsymbolic link and the symbol is defined
5054 locally, or the symbol was forced to be local
5055 because of a version file. We must initialize
5056 this entry in the global offset table. Since the
5057 offset must always be a multiple of 4, we use the
5058 least significant bit to record whether we have
5059 initialized it already.
5060
5061 When doing a dynamic link, we create a .rela.got
5062 relocation entry to initialize the value. This
5063 is done in the finish_dynamic_symbol routine. */
5064 if ((off & 1) != 0)
5065 off &= ~1;
5066 else
5067 {
5068 bfd_put_32 (output_bfd, relocation,
5069 sgot->contents + off);
5070 #ifdef INCLUDE_SHMEDIA
5071 if (seen_stt_datalabel)
5072 {
5073 struct elf_sh_link_hash_entry *hsh;
5074
5075 hsh = (struct elf_sh_link_hash_entry *)h;
5076 hsh->datalabel_got.offset |= 1;
5077 }
5078 else
5079 #endif
5080 h->got.offset |= 1;
5081 }
5082 }
5083
5084 relocation = sgot->output_offset + off;
5085 }
5086 else
5087 {
5088 #ifdef INCLUDE_SHMEDIA
5089 if (rel->r_addend)
5090 {
5091 BFD_ASSERT (local_got_offsets != NULL
5092 && (local_got_offsets[symtab_hdr->sh_info
5093 + r_symndx]
5094 != (bfd_vma) -1));
5095
5096 off = local_got_offsets[symtab_hdr->sh_info
5097 + r_symndx];
5098 }
5099 else
5100 {
5101 #endif
5102 BFD_ASSERT (local_got_offsets != NULL
5103 && local_got_offsets[r_symndx] != (bfd_vma) -1);
5104
5105 off = local_got_offsets[r_symndx];
5106 #ifdef INCLUDE_SHMEDIA
5107 }
5108 #endif
5109
5110 /* The offset must always be a multiple of 4. We use
5111 the least significant bit to record whether we have
5112 already generated the necessary reloc. */
5113 if ((off & 1) != 0)
5114 off &= ~1;
5115 else
5116 {
5117 bfd_put_32 (output_bfd, relocation, sgot->contents + off);
5118
5119 if (info->shared)
5120 {
5121 Elf_Internal_Rela outrel;
5122 bfd_byte *loc;
5123
5124 if (srelgot == NULL)
5125 {
5126 srelgot = bfd_get_section_by_name (dynobj,
5127 ".rela.got");
5128 BFD_ASSERT (srelgot != NULL);
5129 }
5130
5131 outrel.r_offset = (sgot->output_section->vma
5132 + sgot->output_offset
5133 + off);
5134 outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
5135 outrel.r_addend = relocation;
5136 loc = srelgot->contents;
5137 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
5138 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5139 }
5140
5141 #ifdef INCLUDE_SHMEDIA
5142 if (rel->r_addend)
5143 local_got_offsets[symtab_hdr->sh_info + r_symndx] |= 1;
5144 else
5145 #endif
5146 local_got_offsets[r_symndx] |= 1;
5147 }
5148
5149 relocation = sgot->output_offset + off;
5150 }
5151
5152 #ifdef GOT_BIAS
5153 relocation -= GOT_BIAS;
5154 #endif
5155
5156 goto final_link_relocate;
5157
5158 case R_SH_GOTOFF:
5159 #ifdef INCLUDE_SHMEDIA
5160 case R_SH_GOTOFF_LOW16:
5161 case R_SH_GOTOFF_MEDLOW16:
5162 case R_SH_GOTOFF_MEDHI16:
5163 case R_SH_GOTOFF_HI16:
5164 #endif
5165 /* Relocation is relative to the start of the global offset
5166 table. */
5167
5168 BFD_ASSERT (sgot != NULL);
5169
5170 /* Note that sgot->output_offset is not involved in this
5171 calculation. We always want the start of .got. If we
5172 defined _GLOBAL_OFFSET_TABLE in a different way, as is
5173 permitted by the ABI, we might have to change this
5174 calculation. */
5175 relocation -= sgot->output_section->vma;
5176
5177 #ifdef GOT_BIAS
5178 relocation -= GOT_BIAS;
5179 #endif
5180
5181 addend = rel->r_addend;
5182
5183 goto final_link_relocate;
5184
5185 case R_SH_GOTPC:
5186 #ifdef INCLUDE_SHMEDIA
5187 case R_SH_GOTPC_LOW16:
5188 case R_SH_GOTPC_MEDLOW16:
5189 case R_SH_GOTPC_MEDHI16:
5190 case R_SH_GOTPC_HI16:
5191 #endif
5192 /* Use global offset table as symbol value. */
5193
5194 BFD_ASSERT (sgot != NULL);
5195 relocation = sgot->output_section->vma;
5196
5197 #ifdef GOT_BIAS
5198 relocation += GOT_BIAS;
5199 #endif
5200
5201 addend = rel->r_addend;
5202
5203 goto final_link_relocate;
5204
5205 case R_SH_PLT32:
5206 #ifdef INCLUDE_SHMEDIA
5207 case R_SH_PLT_LOW16:
5208 case R_SH_PLT_MEDLOW16:
5209 case R_SH_PLT_MEDHI16:
5210 case R_SH_PLT_HI16:
5211 #endif
5212 /* Relocation is to the entry for this symbol in the
5213 procedure linkage table. */
5214
5215 /* Resolve a PLT reloc against a local symbol directly,
5216 without using the procedure linkage table. */
5217 if (h == NULL)
5218 goto final_link_relocate;
5219
5220 if (h->forced_local)
5221 goto final_link_relocate;
5222
5223 if (h->plt.offset == (bfd_vma) -1)
5224 {
5225 /* We didn't make a PLT entry for this symbol. This
5226 happens when statically linking PIC code, or when
5227 using -Bsymbolic. */
5228 goto final_link_relocate;
5229 }
5230
5231 BFD_ASSERT (splt != NULL);
5232 relocation = (splt->output_section->vma
5233 + splt->output_offset
5234 + h->plt.offset);
5235
5236 #ifdef INCLUDE_SHMEDIA
5237 relocation++;
5238 #endif
5239
5240 addend = rel->r_addend;
5241
5242 goto final_link_relocate;
5243
5244 case R_SH_LOOP_START:
5245 {
5246 static bfd_vma start, end;
5247
5248 start = (relocation + rel->r_addend
5249 - (sec->output_section->vma + sec->output_offset));
5250 r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
5251 rel->r_offset, sec, start, end);
5252 break;
5253
5254 case R_SH_LOOP_END:
5255 end = (relocation + rel->r_addend
5256 - (sec->output_section->vma + sec->output_offset));
5257 r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
5258 rel->r_offset, sec, start, end);
5259 break;
5260 }
5261
5262 case R_SH_TLS_GD_32:
5263 case R_SH_TLS_IE_32:
5264 r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
5265 tls_type = GOT_UNKNOWN;
5266 if (h == NULL && local_got_offsets)
5267 tls_type = sh_elf_local_got_tls_type (input_bfd) [r_symndx];
5268 else if (h != NULL)
5269 {
5270 tls_type = sh_elf_hash_entry (h)->tls_type;
5271 if (! info->shared
5272 && (h->dynindx == -1
5273 || h->def_regular))
5274 r_type = R_SH_TLS_LE_32;
5275 }
5276
5277 if (r_type == R_SH_TLS_GD_32 && tls_type == GOT_TLS_IE)
5278 r_type = R_SH_TLS_IE_32;
5279
5280 if (r_type == R_SH_TLS_LE_32)
5281 {
5282 bfd_vma offset;
5283 unsigned short insn;
5284
5285 if (ELF32_R_TYPE (rel->r_info) == R_SH_TLS_GD_32)
5286 {
5287 /* GD->LE transition:
5288 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
5289 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
5290 1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
5291 We change it into:
5292 mov.l 1f,r4; stc gbr,r0; add r4,r0; nop;
5293 nop; nop; ...
5294 1: .long x@TPOFF; 2: .long __tls_get_addr@PLT; 3:. */
5295
5296 offset = rel->r_offset;
5297 BFD_ASSERT (offset >= 16);
5298 /* Size of GD instructions is 16 or 18. */
5299 offset -= 16;
5300 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5301 if ((insn & 0xff00) == 0xc700)
5302 {
5303 BFD_ASSERT (offset >= 2);
5304 offset -= 2;
5305 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5306 }
5307
5308 BFD_ASSERT ((insn & 0xff00) == 0xd400);
5309 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5310 BFD_ASSERT ((insn & 0xff00) == 0xc700);
5311 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5312 BFD_ASSERT ((insn & 0xff00) == 0xd100);
5313 insn = bfd_get_16 (input_bfd, contents + offset + 6);
5314 BFD_ASSERT (insn == 0x310c);
5315 insn = bfd_get_16 (input_bfd, contents + offset + 8);
5316 BFD_ASSERT (insn == 0x410b);
5317 insn = bfd_get_16 (input_bfd, contents + offset + 10);
5318 BFD_ASSERT (insn == 0x34cc);
5319
5320 bfd_put_16 (output_bfd, 0x0012, contents + offset + 2);
5321 bfd_put_16 (output_bfd, 0x304c, contents + offset + 4);
5322 bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
5323 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
5324 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
5325 }
5326 else
5327 {
5328 int index;
5329
5330 /* IE->LE transition:
5331 mov.l 1f,r0; stc gbr,rN; mov.l @(r0,r12),rM;
5332 bra 2f; add ...; .align 2; 1: x@GOTTPOFF; 2:
5333 We change it into:
5334 mov.l .Ln,rM; stc gbr,rN; nop; ...;
5335 1: x@TPOFF; 2:. */
5336
5337 offset = rel->r_offset;
5338 BFD_ASSERT (offset >= 16);
5339 /* Size of IE instructions is 10 or 12. */
5340 offset -= 10;
5341 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5342 if ((insn & 0xf0ff) == 0x0012)
5343 {
5344 BFD_ASSERT (offset >= 2);
5345 offset -= 2;
5346 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5347 }
5348
5349 BFD_ASSERT ((insn & 0xff00) == 0xd000);
5350 index = insn & 0x00ff;
5351 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5352 BFD_ASSERT ((insn & 0xf0ff) == 0x0012);
5353 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5354 BFD_ASSERT ((insn & 0xf0ff) == 0x00ce);
5355 insn = 0xd000 | (insn & 0x0f00) | index;
5356 bfd_put_16 (output_bfd, insn, contents + offset + 0);
5357 bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
5358 }
5359
5360 bfd_put_32 (output_bfd, tpoff (info, relocation),
5361 contents + rel->r_offset);
5362 continue;
5363 }
5364
5365 sgot = htab->sgot;
5366 if (sgot == NULL)
5367 abort ();
5368
5369 if (h != NULL)
5370 off = h->got.offset;
5371 else
5372 {
5373 if (local_got_offsets == NULL)
5374 abort ();
5375
5376 off = local_got_offsets[r_symndx];
5377 }
5378
5379 /* Relocate R_SH_TLS_IE_32 directly when statically linking. */
5380 if (r_type == R_SH_TLS_IE_32
5381 && ! htab->root.dynamic_sections_created)
5382 {
5383 off &= ~1;
5384 bfd_put_32 (output_bfd, tpoff (info, relocation),
5385 sgot->contents + off);
5386 bfd_put_32 (output_bfd, sgot->output_offset + off,
5387 contents + rel->r_offset);
5388 continue;
5389 }
5390
5391 if ((off & 1) != 0)
5392 off &= ~1;
5393 else
5394 {
5395 Elf_Internal_Rela outrel;
5396 bfd_byte *loc;
5397 int dr_type, indx;
5398
5399 if (srelgot == NULL)
5400 {
5401 srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
5402 BFD_ASSERT (srelgot != NULL);
5403 }
5404
5405 outrel.r_offset = (sgot->output_section->vma
5406 + sgot->output_offset + off);
5407
5408 if (h == NULL || h->dynindx == -1)
5409 indx = 0;
5410 else
5411 indx = h->dynindx;
5412
5413 dr_type = (r_type == R_SH_TLS_GD_32 ? R_SH_TLS_DTPMOD32 :
5414 R_SH_TLS_TPOFF32);
5415 if (dr_type == R_SH_TLS_TPOFF32 && indx == 0)
5416 outrel.r_addend = relocation - dtpoff_base (info);
5417 else
5418 outrel.r_addend = 0;
5419 outrel.r_info = ELF32_R_INFO (indx, dr_type);
5420 loc = srelgot->contents;
5421 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
5422 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5423
5424 if (r_type == R_SH_TLS_GD_32)
5425 {
5426 if (indx == 0)
5427 {
5428 bfd_put_32 (output_bfd,
5429 relocation - dtpoff_base (info),
5430 sgot->contents + off + 4);
5431 }
5432 else
5433 {
5434 outrel.r_info = ELF32_R_INFO (indx,
5435 R_SH_TLS_DTPOFF32);
5436 outrel.r_offset += 4;
5437 outrel.r_addend = 0;
5438 srelgot->reloc_count++;
5439 loc += sizeof (Elf32_External_Rela);
5440 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5441 }
5442 }
5443
5444 if (h != NULL)
5445 h->got.offset |= 1;
5446 else
5447 local_got_offsets[r_symndx] |= 1;
5448 }
5449
5450 if (off >= (bfd_vma) -2)
5451 abort ();
5452
5453 if (r_type == (int) ELF32_R_TYPE (rel->r_info))
5454 relocation = sgot->output_offset + off;
5455 else
5456 {
5457 bfd_vma offset;
5458 unsigned short insn;
5459
5460 /* GD->IE transition:
5461 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
5462 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
5463 1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
5464 We change it into:
5465 mov.l 1f,r0; stc gbr,r4; mov.l @(r0,r12),r0; add r4,r0;
5466 nop; nop; bra 3f; nop; .align 2;
5467 1: .long x@TPOFF; 2:...; 3:. */
5468
5469 offset = rel->r_offset;
5470 BFD_ASSERT (offset >= 16);
5471 /* Size of GD instructions is 16 or 18. */
5472 offset -= 16;
5473 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5474 if ((insn & 0xff00) == 0xc700)
5475 {
5476 BFD_ASSERT (offset >= 2);
5477 offset -= 2;
5478 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5479 }
5480
5481 BFD_ASSERT ((insn & 0xff00) == 0xd400);
5482
5483 /* Replace mov.l 1f,R4 with mov.l 1f,r0. */
5484 bfd_put_16 (output_bfd, insn & 0xf0ff, contents + offset);
5485
5486 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5487 BFD_ASSERT ((insn & 0xff00) == 0xc700);
5488 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5489 BFD_ASSERT ((insn & 0xff00) == 0xd100);
5490 insn = bfd_get_16 (input_bfd, contents + offset + 6);
5491 BFD_ASSERT (insn == 0x310c);
5492 insn = bfd_get_16 (input_bfd, contents + offset + 8);
5493 BFD_ASSERT (insn == 0x410b);
5494 insn = bfd_get_16 (input_bfd, contents + offset + 10);
5495 BFD_ASSERT (insn == 0x34cc);
5496
5497 bfd_put_16 (output_bfd, 0x0412, contents + offset + 2);
5498 bfd_put_16 (output_bfd, 0x00ce, contents + offset + 4);
5499 bfd_put_16 (output_bfd, 0x304c, contents + offset + 6);
5500 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
5501 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
5502
5503 bfd_put_32 (output_bfd, sgot->output_offset + off,
5504 contents + rel->r_offset);
5505
5506 continue;
5507 }
5508
5509 addend = rel->r_addend;
5510
5511 goto final_link_relocate;
5512
5513 case R_SH_TLS_LD_32:
5514 if (! info->shared)
5515 {
5516 bfd_vma offset;
5517 unsigned short insn;
5518
5519 /* LD->LE transition:
5520 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
5521 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
5522 1: .long x$TLSLD; 2: .long __tls_get_addr@PLT; 3:
5523 We change it into:
5524 stc gbr,r0; nop; nop; nop;
5525 nop; nop; bra 3f; ...; 3:. */
5526
5527 offset = rel->r_offset;
5528 BFD_ASSERT (offset >= 16);
5529 /* Size of LD instructions is 16 or 18. */
5530 offset -= 16;
5531 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5532 if ((insn & 0xff00) == 0xc700)
5533 {
5534 BFD_ASSERT (offset >= 2);
5535 offset -= 2;
5536 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5537 }
5538
5539 BFD_ASSERT ((insn & 0xff00) == 0xd400);
5540 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5541 BFD_ASSERT ((insn & 0xff00) == 0xc700);
5542 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5543 BFD_ASSERT ((insn & 0xff00) == 0xd100);
5544 insn = bfd_get_16 (input_bfd, contents + offset + 6);
5545 BFD_ASSERT (insn == 0x310c);
5546 insn = bfd_get_16 (input_bfd, contents + offset + 8);
5547 BFD_ASSERT (insn == 0x410b);
5548 insn = bfd_get_16 (input_bfd, contents + offset + 10);
5549 BFD_ASSERT (insn == 0x34cc);
5550
5551 bfd_put_16 (output_bfd, 0x0012, contents + offset + 0);
5552 bfd_put_16 (output_bfd, 0x0009, contents + offset + 2);
5553 bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
5554 bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
5555 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
5556 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
5557
5558 continue;
5559 }
5560
5561 sgot = htab->sgot;
5562 if (sgot == NULL)
5563 abort ();
5564
5565 off = htab->tls_ldm_got.offset;
5566 if (off & 1)
5567 off &= ~1;
5568 else
5569 {
5570 Elf_Internal_Rela outrel;
5571 bfd_byte *loc;
5572
5573 srelgot = htab->srelgot;
5574 if (srelgot == NULL)
5575 abort ();
5576
5577 outrel.r_offset = (sgot->output_section->vma
5578 + sgot->output_offset + off);
5579 outrel.r_addend = 0;
5580 outrel.r_info = ELF32_R_INFO (0, R_SH_TLS_DTPMOD32);
5581 loc = srelgot->contents;
5582 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
5583 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5584 htab->tls_ldm_got.offset |= 1;
5585 }
5586
5587 relocation = sgot->output_offset + off;
5588 addend = rel->r_addend;
5589
5590 goto final_link_relocate;
5591
5592 case R_SH_TLS_LDO_32:
5593 if (! info->shared)
5594 relocation = tpoff (info, relocation);
5595 else
5596 relocation -= dtpoff_base (info);
5597
5598 addend = rel->r_addend;
5599 goto final_link_relocate;
5600
5601 case R_SH_TLS_LE_32:
5602 {
5603 int indx;
5604 Elf_Internal_Rela outrel;
5605 bfd_byte *loc;
5606
5607 if (! info->shared)
5608 {
5609 relocation = tpoff (info, relocation);
5610 addend = rel->r_addend;
5611 goto final_link_relocate;
5612 }
5613
5614 if (sreloc == NULL)
5615 {
5616 const char *name;
5617
5618 name = (bfd_elf_string_from_elf_section
5619 (input_bfd,
5620 elf_elfheader (input_bfd)->e_shstrndx,
5621 elf_section_data (input_section)->rel_hdr.sh_name));
5622 if (name == NULL)
5623 return FALSE;
5624
5625 BFD_ASSERT (strncmp (name, ".rela", 5) == 0
5626 && strcmp (bfd_get_section_name (input_bfd,
5627 input_section),
5628 name + 5) == 0);
5629
5630 sreloc = bfd_get_section_by_name (dynobj, name);
5631 BFD_ASSERT (sreloc != NULL);
5632 }
5633
5634 if (h == NULL || h->dynindx == -1)
5635 indx = 0;
5636 else
5637 indx = h->dynindx;
5638
5639 outrel.r_offset = (input_section->output_section->vma
5640 + input_section->output_offset
5641 + rel->r_offset);
5642 outrel.r_info = ELF32_R_INFO (indx, R_SH_TLS_TPOFF32);
5643 if (indx == 0)
5644 outrel.r_addend = relocation - dtpoff_base (info);
5645 else
5646 outrel.r_addend = 0;
5647
5648 loc = sreloc->contents;
5649 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
5650 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5651 continue;
5652 }
5653 }
5654
5655 relocation_done:
5656 if (r != bfd_reloc_ok)
5657 {
5658 switch (r)
5659 {
5660 default:
5661 case bfd_reloc_outofrange:
5662 abort ();
5663 case bfd_reloc_overflow:
5664 {
5665 const char *name;
5666
5667 if (h != NULL)
5668 name = NULL;
5669 else
5670 {
5671 name = (bfd_elf_string_from_elf_section
5672 (input_bfd, symtab_hdr->sh_link, sym->st_name));
5673 if (name == NULL)
5674 return FALSE;
5675 if (*name == '\0')
5676 name = bfd_section_name (input_bfd, sec);
5677 }
5678 if (! ((*info->callbacks->reloc_overflow)
5679 (info, (h ? &h->root : NULL), name, howto->name,
5680 (bfd_vma) 0, input_bfd, input_section,
5681 rel->r_offset)))
5682 return FALSE;
5683 }
5684 break;
5685 }
5686 }
5687 }
5688
5689 return TRUE;
5690 }
5691
5692 /* This is a version of bfd_generic_get_relocated_section_contents
5693 which uses sh_elf_relocate_section. */
5694
5695 static bfd_byte *
5696 sh_elf_get_relocated_section_contents (bfd *output_bfd,
5697 struct bfd_link_info *link_info,
5698 struct bfd_link_order *link_order,
5699 bfd_byte *data,
5700 bfd_boolean relocatable,
5701 asymbol **symbols)
5702 {
5703 Elf_Internal_Shdr *symtab_hdr;
5704 asection *input_section = link_order->u.indirect.section;
5705 bfd *input_bfd = input_section->owner;
5706 asection **sections = NULL;
5707 Elf_Internal_Rela *internal_relocs = NULL;
5708 Elf_Internal_Sym *isymbuf = NULL;
5709
5710 /* We only need to handle the case of relaxing, or of having a
5711 particular set of section contents, specially. */
5712 if (relocatable
5713 || elf_section_data (input_section)->this_hdr.contents == NULL)
5714 return bfd_generic_get_relocated_section_contents (output_bfd, link_info,
5715 link_order, data,
5716 relocatable,
5717 symbols);
5718
5719 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
5720
5721 memcpy (data, elf_section_data (input_section)->this_hdr.contents,
5722 (size_t) input_section->size);
5723
5724 if ((input_section->flags & SEC_RELOC) != 0
5725 && input_section->reloc_count > 0)
5726 {
5727 asection **secpp;
5728 Elf_Internal_Sym *isym, *isymend;
5729 bfd_size_type amt;
5730
5731 internal_relocs = (_bfd_elf_link_read_relocs
5732 (input_bfd, input_section, NULL,
5733 (Elf_Internal_Rela *) NULL, FALSE));
5734 if (internal_relocs == NULL)
5735 goto error_return;
5736
5737 if (symtab_hdr->sh_info != 0)
5738 {
5739 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
5740 if (isymbuf == NULL)
5741 isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
5742 symtab_hdr->sh_info, 0,
5743 NULL, NULL, NULL);
5744 if (isymbuf == NULL)
5745 goto error_return;
5746 }
5747
5748 amt = symtab_hdr->sh_info;
5749 amt *= sizeof (asection *);
5750 sections = (asection **) bfd_malloc (amt);
5751 if (sections == NULL && amt != 0)
5752 goto error_return;
5753
5754 isymend = isymbuf + symtab_hdr->sh_info;
5755 for (isym = isymbuf, secpp = sections; isym < isymend; ++isym, ++secpp)
5756 {
5757 asection *isec;
5758
5759 if (isym->st_shndx == SHN_UNDEF)
5760 isec = bfd_und_section_ptr;
5761 else if (isym->st_shndx == SHN_ABS)
5762 isec = bfd_abs_section_ptr;
5763 else if (isym->st_shndx == SHN_COMMON)
5764 isec = bfd_com_section_ptr;
5765 else
5766 isec = bfd_section_from_elf_index (input_bfd, isym->st_shndx);
5767
5768 *secpp = isec;
5769 }
5770
5771 if (! sh_elf_relocate_section (output_bfd, link_info, input_bfd,
5772 input_section, data, internal_relocs,
5773 isymbuf, sections))
5774 goto error_return;
5775
5776 if (sections != NULL)
5777 free (sections);
5778 if (isymbuf != NULL
5779 && symtab_hdr->contents != (unsigned char *) isymbuf)
5780 free (isymbuf);
5781 if (elf_section_data (input_section)->relocs != internal_relocs)
5782 free (internal_relocs);
5783 }
5784
5785 return data;
5786
5787 error_return:
5788 if (sections != NULL)
5789 free (sections);
5790 if (isymbuf != NULL
5791 && symtab_hdr->contents != (unsigned char *) isymbuf)
5792 free (isymbuf);
5793 if (internal_relocs != NULL
5794 && elf_section_data (input_section)->relocs != internal_relocs)
5795 free (internal_relocs);
5796 return NULL;
5797 }
5798
5799 /* Return the base VMA address which should be subtracted from real addresses
5800 when resolving @dtpoff relocation.
5801 This is PT_TLS segment p_vaddr. */
5802
5803 static bfd_vma
5804 dtpoff_base (struct bfd_link_info *info)
5805 {
5806 /* If tls_sec is NULL, we should have signalled an error already. */
5807 if (elf_hash_table (info)->tls_sec == NULL)
5808 return 0;
5809 return elf_hash_table (info)->tls_sec->vma;
5810 }
5811
5812 /* Return the relocation value for R_SH_TLS_TPOFF32.. */
5813
5814 static bfd_vma
5815 tpoff (struct bfd_link_info *info, bfd_vma address)
5816 {
5817 /* If tls_sec is NULL, we should have signalled an error already. */
5818 if (elf_hash_table (info)->tls_sec == NULL)
5819 return 0;
5820 /* SH TLS ABI is variant I and static TLS block start just after tcbhead
5821 structure which has 2 pointer fields. */
5822 return (address - elf_hash_table (info)->tls_sec->vma
5823 + align_power ((bfd_vma) 8,
5824 elf_hash_table (info)->tls_sec->alignment_power));
5825 }
5826
5827 static asection *
5828 sh_elf_gc_mark_hook (asection *sec,
5829 struct bfd_link_info *info ATTRIBUTE_UNUSED,
5830 Elf_Internal_Rela *rel, struct elf_link_hash_entry *h,
5831 Elf_Internal_Sym *sym)
5832 {
5833 if (h != NULL)
5834 {
5835 switch (ELF32_R_TYPE (rel->r_info))
5836 {
5837 case R_SH_GNU_VTINHERIT:
5838 case R_SH_GNU_VTENTRY:
5839 break;
5840
5841 default:
5842 #ifdef INCLUDE_SHMEDIA
5843 while (h->root.type == bfd_link_hash_indirect
5844 && h->root.u.i.link)
5845 h = (struct elf_link_hash_entry *) h->root.u.i.link;
5846 #endif
5847 switch (h->root.type)
5848 {
5849 case bfd_link_hash_defined:
5850 case bfd_link_hash_defweak:
5851 return h->root.u.def.section;
5852
5853 case bfd_link_hash_common:
5854 return h->root.u.c.p->section;
5855
5856 default:
5857 break;
5858 }
5859 }
5860 }
5861 else
5862 return bfd_section_from_elf_index (sec->owner, sym->st_shndx);
5863
5864 return NULL;
5865 }
5866
5867 /* Update the got entry reference counts for the section being removed. */
5868
5869 static bfd_boolean
5870 sh_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
5871 asection *sec, const Elf_Internal_Rela *relocs)
5872 {
5873 Elf_Internal_Shdr *symtab_hdr;
5874 struct elf_link_hash_entry **sym_hashes;
5875 bfd_signed_vma *local_got_refcounts;
5876 const Elf_Internal_Rela *rel, *relend;
5877
5878 elf_section_data (sec)->local_dynrel = NULL;
5879
5880 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
5881 sym_hashes = elf_sym_hashes (abfd);
5882 local_got_refcounts = elf_local_got_refcounts (abfd);
5883
5884 relend = relocs + sec->reloc_count;
5885 for (rel = relocs; rel < relend; rel++)
5886 {
5887 unsigned long r_symndx;
5888 unsigned int r_type;
5889 struct elf_link_hash_entry *h = NULL;
5890 #ifdef INCLUDE_SHMEDIA
5891 int seen_stt_datalabel = 0;
5892 #endif
5893
5894 r_symndx = ELF32_R_SYM (rel->r_info);
5895 if (r_symndx >= symtab_hdr->sh_info)
5896 {
5897 struct elf_sh_link_hash_entry *eh;
5898 struct elf_sh_dyn_relocs **pp;
5899 struct elf_sh_dyn_relocs *p;
5900
5901 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
5902 while (h->root.type == bfd_link_hash_indirect
5903 || h->root.type == bfd_link_hash_warning)
5904 {
5905 #ifdef INCLUDE_SHMEDIA
5906 seen_stt_datalabel |= h->type == STT_DATALABEL;
5907 #endif
5908 h = (struct elf_link_hash_entry *) h->root.u.i.link;
5909 }
5910 eh = (struct elf_sh_link_hash_entry *) h;
5911 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
5912 if (p->sec == sec)
5913 {
5914 /* Everything must go for SEC. */
5915 *pp = p->next;
5916 break;
5917 }
5918 }
5919
5920 r_type = ELF32_R_TYPE (rel->r_info);
5921 switch (sh_elf_optimized_tls_reloc (info, r_type, h != NULL))
5922 {
5923 case R_SH_TLS_LD_32:
5924 if (sh_elf_hash_table (info)->tls_ldm_got.refcount > 0)
5925 sh_elf_hash_table (info)->tls_ldm_got.refcount -= 1;
5926 break;
5927
5928 case R_SH_GOT32:
5929 case R_SH_GOTOFF:
5930 case R_SH_GOTPC:
5931 #ifdef INCLUDE_SHMEDIA
5932 case R_SH_GOT_LOW16:
5933 case R_SH_GOT_MEDLOW16:
5934 case R_SH_GOT_MEDHI16:
5935 case R_SH_GOT_HI16:
5936 case R_SH_GOT10BY4:
5937 case R_SH_GOT10BY8:
5938 case R_SH_GOTOFF_LOW16:
5939 case R_SH_GOTOFF_MEDLOW16:
5940 case R_SH_GOTOFF_MEDHI16:
5941 case R_SH_GOTOFF_HI16:
5942 case R_SH_GOTPC_LOW16:
5943 case R_SH_GOTPC_MEDLOW16:
5944 case R_SH_GOTPC_MEDHI16:
5945 case R_SH_GOTPC_HI16:
5946 #endif
5947 case R_SH_TLS_GD_32:
5948 case R_SH_TLS_IE_32:
5949 if (h != NULL)
5950 {
5951 #ifdef INCLUDE_SHMEDIA
5952 if (seen_stt_datalabel)
5953 {
5954 struct elf_sh_link_hash_entry *eh;
5955 eh = (struct elf_sh_link_hash_entry *) h;
5956 if (eh->datalabel_got.refcount > 0)
5957 eh->datalabel_got.refcount -= 1;
5958 }
5959 else
5960 #endif
5961 if (h->got.refcount > 0)
5962 h->got.refcount -= 1;
5963 }
5964 else if (local_got_refcounts != NULL)
5965 {
5966 #ifdef INCLUDE_SHMEDIA
5967 if (rel->r_addend & 1)
5968 {
5969 if (local_got_refcounts[symtab_hdr->sh_info + r_symndx] > 0)
5970 local_got_refcounts[symtab_hdr->sh_info + r_symndx] -= 1;
5971 }
5972 else
5973 #endif
5974 if (local_got_refcounts[r_symndx] > 0)
5975 local_got_refcounts[r_symndx] -= 1;
5976 }
5977 break;
5978
5979 case R_SH_DIR32:
5980 case R_SH_REL32:
5981 if (info->shared)
5982 break;
5983 /* Fall thru */
5984
5985 case R_SH_PLT32:
5986 #ifdef INCLUDE_SHMEDIA
5987 case R_SH_PLT_LOW16:
5988 case R_SH_PLT_MEDLOW16:
5989 case R_SH_PLT_MEDHI16:
5990 case R_SH_PLT_HI16:
5991 #endif
5992 if (h != NULL)
5993 {
5994 if (h->plt.refcount > 0)
5995 h->plt.refcount -= 1;
5996 }
5997 break;
5998
5999 case R_SH_GOTPLT32:
6000 #ifdef INCLUDE_SHMEDIA
6001 case R_SH_GOTPLT_LOW16:
6002 case R_SH_GOTPLT_MEDLOW16:
6003 case R_SH_GOTPLT_MEDHI16:
6004 case R_SH_GOTPLT_HI16:
6005 case R_SH_GOTPLT10BY4:
6006 case R_SH_GOTPLT10BY8:
6007 #endif
6008 if (h != NULL)
6009 {
6010 struct elf_sh_link_hash_entry *eh;
6011 eh = (struct elf_sh_link_hash_entry *) h;
6012 if (eh->gotplt_refcount > 0)
6013 {
6014 eh->gotplt_refcount -= 1;
6015 if (h->plt.refcount > 0)
6016 h->plt.refcount -= 1;
6017 }
6018 #ifdef INCLUDE_SHMEDIA
6019 else if (seen_stt_datalabel)
6020 {
6021 if (eh->datalabel_got.refcount > 0)
6022 eh->datalabel_got.refcount -= 1;
6023 }
6024 #endif
6025 else if (h->got.refcount > 0)
6026 h->got.refcount -= 1;
6027 }
6028 else if (local_got_refcounts != NULL)
6029 {
6030 #ifdef INCLUDE_SHMEDIA
6031 if (rel->r_addend & 1)
6032 {
6033 if (local_got_refcounts[symtab_hdr->sh_info + r_symndx] > 0)
6034 local_got_refcounts[symtab_hdr->sh_info + r_symndx] -= 1;
6035 }
6036 else
6037 #endif
6038 if (local_got_refcounts[r_symndx] > 0)
6039 local_got_refcounts[r_symndx] -= 1;
6040 }
6041 break;
6042
6043 default:
6044 break;
6045 }
6046 }
6047
6048 return TRUE;
6049 }
6050
6051 /* Copy the extra info we tack onto an elf_link_hash_entry. */
6052
6053 static void
6054 sh_elf_copy_indirect_symbol (const struct elf_backend_data *bed,
6055 struct elf_link_hash_entry *dir,
6056 struct elf_link_hash_entry *ind)
6057 {
6058 struct elf_sh_link_hash_entry *edir, *eind;
6059 #ifdef INCLUDE_SHMEDIA
6060 bfd_signed_vma tmp;
6061 #endif
6062
6063 edir = (struct elf_sh_link_hash_entry *) dir;
6064 eind = (struct elf_sh_link_hash_entry *) ind;
6065
6066 if (eind->dyn_relocs != NULL)
6067 {
6068 if (edir->dyn_relocs != NULL)
6069 {
6070 struct elf_sh_dyn_relocs **pp;
6071 struct elf_sh_dyn_relocs *p;
6072
6073 BFD_ASSERT (ind->root.type != bfd_link_hash_indirect);
6074
6075 /* Add reloc counts against the weak sym to the strong sym
6076 list. Merge any entries against the same section. */
6077 for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
6078 {
6079 struct elf_sh_dyn_relocs *q;
6080
6081 for (q = edir->dyn_relocs; q != NULL; q = q->next)
6082 if (q->sec == p->sec)
6083 {
6084 q->pc_count += p->pc_count;
6085 q->count += p->count;
6086 *pp = p->next;
6087 break;
6088 }
6089 if (q == NULL)
6090 pp = &p->next;
6091 }
6092 *pp = edir->dyn_relocs;
6093 }
6094
6095 edir->dyn_relocs = eind->dyn_relocs;
6096 eind->dyn_relocs = NULL;
6097 }
6098 edir->gotplt_refcount = eind->gotplt_refcount;
6099 eind->gotplt_refcount = 0;
6100 #ifdef INCLUDE_SHMEDIA
6101 tmp = edir->datalabel_got.refcount;
6102 if (tmp < 1)
6103 {
6104 edir->datalabel_got.refcount = eind->datalabel_got.refcount;
6105 eind->datalabel_got.refcount = tmp;
6106 }
6107 else
6108 BFD_ASSERT (eind->datalabel_got.refcount < 1);
6109 #endif
6110
6111 if (ind->root.type == bfd_link_hash_indirect
6112 && dir->got.refcount <= 0)
6113 {
6114 edir->tls_type = eind->tls_type;
6115 eind->tls_type = GOT_UNKNOWN;
6116 }
6117
6118 if (ind->root.type != bfd_link_hash_indirect
6119 && dir->dynamic_adjusted)
6120 {
6121 /* If called to transfer flags for a weakdef during processing
6122 of elf_adjust_dynamic_symbol, don't copy non_got_ref.
6123 We clear it ourselves for ELIMINATE_COPY_RELOCS. */
6124 dir->ref_dynamic |= ind->ref_dynamic;
6125 dir->ref_regular |= ind->ref_regular;
6126 dir->ref_regular_nonweak |= ind->ref_regular_nonweak;
6127 dir->needs_plt |= ind->needs_plt;
6128 }
6129 else
6130 _bfd_elf_link_hash_copy_indirect (bed, dir, ind);
6131 }
6132
6133 static int
6134 sh_elf_optimized_tls_reloc (struct bfd_link_info *info, int r_type,
6135 int is_local)
6136 {
6137 if (info->shared)
6138 return r_type;
6139
6140 switch (r_type)
6141 {
6142 case R_SH_TLS_GD_32:
6143 case R_SH_TLS_IE_32:
6144 if (is_local)
6145 return R_SH_TLS_LE_32;
6146 return R_SH_TLS_IE_32;
6147 case R_SH_TLS_LD_32:
6148 return R_SH_TLS_LE_32;
6149 }
6150
6151 return r_type;
6152 }
6153
6154 /* Look through the relocs for a section during the first phase.
6155 Since we don't do .gots or .plts, we just need to consider the
6156 virtual table relocs for gc. */
6157
6158 static bfd_boolean
6159 sh_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec,
6160 const Elf_Internal_Rela *relocs)
6161 {
6162 Elf_Internal_Shdr *symtab_hdr;
6163 struct elf_link_hash_entry **sym_hashes, **sym_hashes_end;
6164 struct elf_sh_link_hash_table *htab;
6165 const Elf_Internal_Rela *rel;
6166 const Elf_Internal_Rela *rel_end;
6167 bfd_vma *local_got_offsets;
6168 asection *sgot;
6169 asection *srelgot;
6170 asection *sreloc;
6171 unsigned int r_type;
6172 int tls_type, old_tls_type;
6173
6174 sgot = NULL;
6175 srelgot = NULL;
6176 sreloc = NULL;
6177
6178 if (info->relocatable)
6179 return TRUE;
6180
6181 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
6182 sym_hashes = elf_sym_hashes (abfd);
6183 sym_hashes_end = sym_hashes + symtab_hdr->sh_size/sizeof (Elf32_External_Sym);
6184 if (!elf_bad_symtab (abfd))
6185 sym_hashes_end -= symtab_hdr->sh_info;
6186
6187 htab = sh_elf_hash_table (info);
6188 local_got_offsets = elf_local_got_offsets (abfd);
6189
6190 rel_end = relocs + sec->reloc_count;
6191 for (rel = relocs; rel < rel_end; rel++)
6192 {
6193 struct elf_link_hash_entry *h;
6194 unsigned long r_symndx;
6195 #ifdef INCLUDE_SHMEDIA
6196 int seen_stt_datalabel = 0;
6197 #endif
6198
6199 r_symndx = ELF32_R_SYM (rel->r_info);
6200 r_type = ELF32_R_TYPE (rel->r_info);
6201
6202 if (r_symndx < symtab_hdr->sh_info)
6203 h = NULL;
6204 else
6205 {
6206 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
6207 #ifdef INCLUDE_SHMEDIA
6208 while (h->root.type == bfd_link_hash_indirect
6209 || h->root.type == bfd_link_hash_warning)
6210 {
6211 seen_stt_datalabel |= h->type == STT_DATALABEL;
6212 h = (struct elf_link_hash_entry *) h->root.u.i.link;
6213 }
6214 #endif
6215 }
6216
6217 r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
6218 if (! info->shared
6219 && r_type == R_SH_TLS_IE_32
6220 && h != NULL
6221 && h->root.type != bfd_link_hash_undefined
6222 && h->root.type != bfd_link_hash_undefweak
6223 && (h->dynindx == -1
6224 || h->def_regular))
6225 r_type = R_SH_TLS_LE_32;
6226
6227 /* Some relocs require a global offset table. */
6228 if (htab->sgot == NULL)
6229 {
6230 switch (r_type)
6231 {
6232 case R_SH_GOTPLT32:
6233 case R_SH_GOT32:
6234 case R_SH_GOTOFF:
6235 case R_SH_GOTPC:
6236 #ifdef INCLUDE_SHMEDIA
6237 case R_SH_GOTPLT_LOW16:
6238 case R_SH_GOTPLT_MEDLOW16:
6239 case R_SH_GOTPLT_MEDHI16:
6240 case R_SH_GOTPLT_HI16:
6241 case R_SH_GOTPLT10BY4:
6242 case R_SH_GOTPLT10BY8:
6243 case R_SH_GOT_LOW16:
6244 case R_SH_GOT_MEDLOW16:
6245 case R_SH_GOT_MEDHI16:
6246 case R_SH_GOT_HI16:
6247 case R_SH_GOT10BY4:
6248 case R_SH_GOT10BY8:
6249 case R_SH_GOTOFF_LOW16:
6250 case R_SH_GOTOFF_MEDLOW16:
6251 case R_SH_GOTOFF_MEDHI16:
6252 case R_SH_GOTOFF_HI16:
6253 case R_SH_GOTPC_LOW16:
6254 case R_SH_GOTPC_MEDLOW16:
6255 case R_SH_GOTPC_MEDHI16:
6256 case R_SH_GOTPC_HI16:
6257 #endif
6258 case R_SH_TLS_GD_32:
6259 case R_SH_TLS_LD_32:
6260 case R_SH_TLS_IE_32:
6261 if (htab->sgot == NULL)
6262 {
6263 if (htab->root.dynobj == NULL)
6264 htab->root.dynobj = abfd;
6265 if (!create_got_section (htab->root.dynobj, info))
6266 return FALSE;
6267 }
6268 break;
6269
6270 default:
6271 break;
6272 }
6273 }
6274
6275 switch (r_type)
6276 {
6277 /* This relocation describes the C++ object vtable hierarchy.
6278 Reconstruct it for later use during GC. */
6279 case R_SH_GNU_VTINHERIT:
6280 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
6281 return FALSE;
6282 break;
6283
6284 /* This relocation describes which C++ vtable entries are actually
6285 used. Record for later use during GC. */
6286 case R_SH_GNU_VTENTRY:
6287 if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
6288 return FALSE;
6289 break;
6290
6291 case R_SH_TLS_IE_32:
6292 if (info->shared)
6293 info->flags |= DF_STATIC_TLS;
6294
6295 /* FALLTHROUGH */
6296 force_got:
6297 case R_SH_TLS_GD_32:
6298 case R_SH_GOT32:
6299 #ifdef INCLUDE_SHMEDIA
6300 case R_SH_GOT_LOW16:
6301 case R_SH_GOT_MEDLOW16:
6302 case R_SH_GOT_MEDHI16:
6303 case R_SH_GOT_HI16:
6304 case R_SH_GOT10BY4:
6305 case R_SH_GOT10BY8:
6306 #endif
6307 switch (r_type)
6308 {
6309 default:
6310 tls_type = GOT_NORMAL;
6311 break;
6312 case R_SH_TLS_GD_32:
6313 tls_type = GOT_TLS_GD;
6314 break;
6315 case R_SH_TLS_IE_32:
6316 tls_type = GOT_TLS_IE;
6317 break;
6318 }
6319
6320 if (h != NULL)
6321 {
6322 #ifdef INCLUDE_SHMEDIA
6323 if (seen_stt_datalabel)
6324 {
6325 struct elf_sh_link_hash_entry *eh
6326 = (struct elf_sh_link_hash_entry *) h;
6327
6328 eh->datalabel_got.refcount += 1;
6329 }
6330 else
6331 #endif
6332 h->got.refcount += 1;
6333 old_tls_type = sh_elf_hash_entry (h)->tls_type;
6334 }
6335 else
6336 {
6337 bfd_signed_vma *local_got_refcounts;
6338
6339 /* This is a global offset table entry for a local
6340 symbol. */
6341 local_got_refcounts = elf_local_got_refcounts (abfd);
6342 if (local_got_refcounts == NULL)
6343 {
6344 bfd_size_type size;
6345
6346 size = symtab_hdr->sh_info;
6347 size *= sizeof (bfd_signed_vma);
6348 #ifdef INCLUDE_SHMEDIA
6349 /* Reserve space for both the datalabel and
6350 codelabel local GOT offsets. */
6351 size *= 2;
6352 #endif
6353 size += symtab_hdr->sh_info;
6354 local_got_refcounts = ((bfd_signed_vma *)
6355 bfd_zalloc (abfd, size));
6356 if (local_got_refcounts == NULL)
6357 return FALSE;
6358 elf_local_got_refcounts (abfd) = local_got_refcounts;
6359 #ifdef INCLUDE_SHMEDIA
6360 /* Take care of both the datalabel and codelabel local
6361 GOT offsets. */
6362 sh_elf_local_got_tls_type (abfd)
6363 = (char *) (local_got_refcounts + 2 * symtab_hdr->sh_info);
6364 #else
6365 sh_elf_local_got_tls_type (abfd)
6366 = (char *) (local_got_refcounts + symtab_hdr->sh_info);
6367 #endif
6368 }
6369 #ifdef INCLUDE_SHMEDIA
6370 if (rel->r_addend & 1)
6371 local_got_refcounts[symtab_hdr->sh_info + r_symndx] += 1;
6372 else
6373 #endif
6374 local_got_refcounts[r_symndx] += 1;
6375 old_tls_type = sh_elf_local_got_tls_type (abfd) [r_symndx];
6376 }
6377
6378 /* If a TLS symbol is accessed using IE at least once,
6379 there is no point to use dynamic model for it. */
6380 if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN
6381 && (old_tls_type != GOT_TLS_GD || tls_type != GOT_TLS_IE))
6382 {
6383 if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
6384 tls_type = GOT_TLS_IE;
6385 else
6386 {
6387 (*_bfd_error_handler)
6388 (_("%B: `%s' accessed both as normal and thread local symbol"),
6389 abfd, h->root.root.string);
6390 return FALSE;
6391 }
6392 }
6393
6394 if (old_tls_type != tls_type)
6395 {
6396 if (h != NULL)
6397 sh_elf_hash_entry (h)->tls_type = tls_type;
6398 else
6399 sh_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
6400 }
6401
6402 break;
6403
6404 case R_SH_TLS_LD_32:
6405 sh_elf_hash_table(info)->tls_ldm_got.refcount += 1;
6406 break;
6407
6408 case R_SH_GOTPLT32:
6409 #ifdef INCLUDE_SHMEDIA
6410 case R_SH_GOTPLT_LOW16:
6411 case R_SH_GOTPLT_MEDLOW16:
6412 case R_SH_GOTPLT_MEDHI16:
6413 case R_SH_GOTPLT_HI16:
6414 case R_SH_GOTPLT10BY4:
6415 case R_SH_GOTPLT10BY8:
6416 #endif
6417 /* If this is a local symbol, we resolve it directly without
6418 creating a procedure linkage table entry. */
6419
6420 if (h == NULL
6421 || h->forced_local
6422 || ! info->shared
6423 || info->symbolic
6424 || h->dynindx == -1)
6425 goto force_got;
6426
6427 h->needs_plt = 1;
6428 h->plt.refcount += 1;
6429 ((struct elf_sh_link_hash_entry *) h)->gotplt_refcount += 1;
6430
6431 break;
6432
6433 case R_SH_PLT32:
6434 #ifdef INCLUDE_SHMEDIA
6435 case R_SH_PLT_LOW16:
6436 case R_SH_PLT_MEDLOW16:
6437 case R_SH_PLT_MEDHI16:
6438 case R_SH_PLT_HI16:
6439 #endif
6440 /* This symbol requires a procedure linkage table entry. We
6441 actually build the entry in adjust_dynamic_symbol,
6442 because this might be a case of linking PIC code which is
6443 never referenced by a dynamic object, in which case we
6444 don't need to generate a procedure linkage table entry
6445 after all. */
6446
6447 /* If this is a local symbol, we resolve it directly without
6448 creating a procedure linkage table entry. */
6449 if (h == NULL)
6450 continue;
6451
6452 if (h->forced_local)
6453 break;
6454
6455 h->needs_plt = 1;
6456 h->plt.refcount += 1;
6457 break;
6458
6459 case R_SH_DIR32:
6460 case R_SH_REL32:
6461 #ifdef INCLUDE_SHMEDIA
6462 case R_SH_IMM_LOW16_PCREL:
6463 case R_SH_IMM_MEDLOW16_PCREL:
6464 case R_SH_IMM_MEDHI16_PCREL:
6465 case R_SH_IMM_HI16_PCREL:
6466 #endif
6467 if (h != NULL && ! info->shared)
6468 {
6469 h->non_got_ref = 1;
6470 h->plt.refcount += 1;
6471 }
6472
6473 /* If we are creating a shared library, and this is a reloc
6474 against a global symbol, or a non PC relative reloc
6475 against a local symbol, then we need to copy the reloc
6476 into the shared library. However, if we are linking with
6477 -Bsymbolic, we do not need to copy a reloc against a
6478 global symbol which is defined in an object we are
6479 including in the link (i.e., DEF_REGULAR is set). At
6480 this point we have not seen all the input files, so it is
6481 possible that DEF_REGULAR is not set now but will be set
6482 later (it is never cleared). We account for that
6483 possibility below by storing information in the
6484 dyn_relocs field of the hash table entry. A similar
6485 situation occurs when creating shared libraries and symbol
6486 visibility changes render the symbol local.
6487
6488 If on the other hand, we are creating an executable, we
6489 may need to keep relocations for symbols satisfied by a
6490 dynamic library if we manage to avoid copy relocs for the
6491 symbol. */
6492 if ((info->shared
6493 && (sec->flags & SEC_ALLOC) != 0
6494 && (r_type != R_SH_REL32
6495 || (h != NULL
6496 && (! info->symbolic
6497 || h->root.type == bfd_link_hash_defweak
6498 || !h->def_regular))))
6499 || (! info->shared
6500 && (sec->flags & SEC_ALLOC) != 0
6501 && h != NULL
6502 && (h->root.type == bfd_link_hash_defweak
6503 || !h->def_regular)))
6504 {
6505 struct elf_sh_dyn_relocs *p;
6506 struct elf_sh_dyn_relocs **head;
6507
6508 if (htab->root.dynobj == NULL)
6509 htab->root.dynobj = abfd;
6510
6511 /* When creating a shared object, we must copy these
6512 reloc types into the output file. We create a reloc
6513 section in dynobj and make room for this reloc. */
6514 if (sreloc == NULL)
6515 {
6516 const char *name;
6517
6518 name = (bfd_elf_string_from_elf_section
6519 (abfd,
6520 elf_elfheader (abfd)->e_shstrndx,
6521 elf_section_data (sec)->rel_hdr.sh_name));
6522 if (name == NULL)
6523 return FALSE;
6524
6525 BFD_ASSERT (strncmp (name, ".rela", 5) == 0
6526 && strcmp (bfd_get_section_name (abfd, sec),
6527 name + 5) == 0);
6528
6529 sreloc = bfd_get_section_by_name (htab->root.dynobj, name);
6530 if (sreloc == NULL)
6531 {
6532 flagword flags;
6533
6534 sreloc = bfd_make_section (htab->root.dynobj, name);
6535 flags = (SEC_HAS_CONTENTS | SEC_READONLY
6536 | SEC_IN_MEMORY | SEC_LINKER_CREATED);
6537 if ((sec->flags & SEC_ALLOC) != 0)
6538 flags |= SEC_ALLOC | SEC_LOAD;
6539 if (sreloc == NULL
6540 || ! bfd_set_section_flags (htab->root.dynobj,
6541 sreloc, flags)
6542 || ! bfd_set_section_alignment (htab->root.dynobj,
6543 sreloc, 2))
6544 return FALSE;
6545 }
6546 elf_section_data (sec)->sreloc = sreloc;
6547 }
6548
6549 /* If this is a global symbol, we count the number of
6550 relocations we need for this symbol. */
6551 if (h != NULL)
6552 head = &((struct elf_sh_link_hash_entry *) h)->dyn_relocs;
6553 else
6554 {
6555 asection *s;
6556
6557 /* Track dynamic relocs needed for local syms too. */
6558 s = bfd_section_from_r_symndx (abfd, &htab->sym_sec,
6559 sec, r_symndx);
6560 if (s == NULL)
6561 return FALSE;
6562
6563 head = ((struct elf_sh_dyn_relocs **)
6564 &elf_section_data (s)->local_dynrel);
6565 }
6566
6567 p = *head;
6568 if (p == NULL || p->sec != sec)
6569 {
6570 bfd_size_type amt = sizeof (*p);
6571 p = bfd_alloc (htab->root.dynobj, amt);
6572 if (p == NULL)
6573 return FALSE;
6574 p->next = *head;
6575 *head = p;
6576 p->sec = sec;
6577 p->count = 0;
6578 p->pc_count = 0;
6579 }
6580
6581 p->count += 1;
6582 if (r_type == R_SH_REL32
6583 #ifdef INCLUDE_SHMEDIA
6584 || r_type == R_SH_IMM_LOW16_PCREL
6585 || r_type == R_SH_IMM_MEDLOW16_PCREL
6586 || r_type == R_SH_IMM_MEDHI16_PCREL
6587 || r_type == R_SH_IMM_HI16_PCREL
6588 #endif
6589 )
6590 p->pc_count += 1;
6591 }
6592
6593 break;
6594
6595 case R_SH_TLS_LE_32:
6596 if (info->shared)
6597 {
6598 (*_bfd_error_handler)
6599 (_("%B: TLS local exec code cannot be linked into shared objects"),
6600 abfd);
6601 return FALSE;
6602 }
6603
6604 break;
6605
6606 case R_SH_TLS_LDO_32:
6607 /* Nothing to do. */
6608 break;
6609
6610 default:
6611 break;
6612 }
6613 }
6614
6615 return TRUE;
6616 }
6617
6618 #ifndef sh_elf_set_mach_from_flags
6619 static unsigned int sh_ef_bfd_table[] = { EF_SH_BFD_TABLE };
6620
6621 static bfd_boolean
6622 sh_elf_set_mach_from_flags (bfd *abfd)
6623 {
6624 flagword flags = elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK;
6625
6626 if (flags >= sizeof(sh_ef_bfd_table))
6627 return FALSE;
6628
6629 if (sh_ef_bfd_table[flags] == 0)
6630 return FALSE;
6631
6632 bfd_default_set_arch_mach (abfd, bfd_arch_sh, sh_ef_bfd_table[flags]);
6633
6634 return TRUE;
6635 }
6636
6637
6638 /* Reverse table lookup for sh_ef_bfd_table[].
6639 Given a bfd MACH value from archures.c
6640 return the equivalent ELF flags from the table.
6641 Return -1 if no match is found. */
6642
6643 int
6644 sh_elf_get_flags_from_mach (unsigned long mach)
6645 {
6646 int i = ARRAY_SIZE (sh_ef_bfd_table);
6647
6648 for (; i>0; i--)
6649 if (sh_ef_bfd_table[i] == mach)
6650 return i;
6651
6652 /* shouldn't get here */
6653 BFD_FAIL();
6654
6655 return -1;
6656 }
6657 #endif /* not sh_elf_set_mach_from_flags */
6658
6659 #ifndef sh_elf_set_private_flags
6660 /* Function to keep SH specific file flags. */
6661
6662 static bfd_boolean
6663 sh_elf_set_private_flags (bfd *abfd, flagword flags)
6664 {
6665 BFD_ASSERT (! elf_flags_init (abfd)
6666 || elf_elfheader (abfd)->e_flags == flags);
6667
6668 elf_elfheader (abfd)->e_flags = flags;
6669 elf_flags_init (abfd) = TRUE;
6670 return sh_elf_set_mach_from_flags (abfd);
6671 }
6672 #endif /* not sh_elf_set_private_flags */
6673
6674 #ifndef sh_elf_copy_private_data
6675 /* Copy backend specific data from one object module to another */
6676
6677 static bfd_boolean
6678 sh_elf_copy_private_data (bfd * ibfd, bfd * obfd)
6679 {
6680 if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour
6681 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
6682 return TRUE;
6683
6684 return sh_elf_set_private_flags (obfd, elf_elfheader (ibfd)->e_flags);
6685 }
6686 #endif /* not sh_elf_copy_private_data */
6687
6688 #ifndef sh_elf_merge_private_data
6689
6690 /* This function returns the ELF architecture number that
6691 corresponds to the given arch_sh* flags. */
6692
6693 int
6694 sh_find_elf_flags (unsigned int arch_set)
6695 {
6696 extern unsigned long sh_get_bfd_mach_from_arch_set (unsigned int);
6697 unsigned long bfd_mach = sh_get_bfd_mach_from_arch_set (arch_set);
6698
6699 return sh_elf_get_flags_from_mach (bfd_mach);
6700 }
6701
6702 /* This routine initialises the elf flags when required and
6703 calls sh_merge_bfd_arch() to check dsp/fpu compatibility. */
6704
6705 static bfd_boolean
6706 sh_elf_merge_private_data (bfd *ibfd, bfd *obfd)
6707 {
6708 extern bfd_boolean sh_merge_bfd_arch (bfd *, bfd *);
6709
6710 if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour
6711 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
6712 return TRUE;
6713
6714 if (! elf_flags_init (obfd))
6715 {
6716 /* This happens when ld starts out with a 'blank' output file. */
6717 elf_flags_init (obfd) = TRUE;
6718 elf_elfheader (obfd)->e_flags = EF_SH1;
6719 sh_elf_set_mach_from_flags (obfd);
6720 }
6721
6722 if (! sh_merge_bfd_arch (ibfd, obfd))
6723 {
6724 _bfd_error_handler ("%B: uses instructions which are incompatible "
6725 "with instructions used in previous modules",
6726 ibfd);
6727 bfd_set_error (bfd_error_bad_value);
6728 return FALSE;
6729 }
6730
6731 elf_elfheader (obfd)->e_flags =
6732 sh_elf_get_flags_from_mach (bfd_get_mach (obfd));
6733
6734 return TRUE;
6735 }
6736 #endif /* not sh_elf_merge_private_data */
6737
6738 /* Override the generic function because we need to store sh_elf_obj_tdata
6739 as the specific tdata. We set also the machine architecture from flags
6740 here. */
6741
6742 static bfd_boolean
6743 sh_elf_object_p (bfd *abfd)
6744 {
6745 return sh_elf_set_mach_from_flags (abfd);
6746 }
6747
6748 /* Finish up dynamic symbol handling. We set the contents of various
6749 dynamic sections here. */
6750
6751 static bfd_boolean
6752 sh_elf_finish_dynamic_symbol (bfd *output_bfd, struct bfd_link_info *info,
6753 struct elf_link_hash_entry *h,
6754 Elf_Internal_Sym *sym)
6755 {
6756 struct elf_sh_link_hash_table *htab;
6757
6758 htab = sh_elf_hash_table (info);
6759
6760 if (h->plt.offset != (bfd_vma) -1)
6761 {
6762 asection *splt;
6763 asection *sgot;
6764 asection *srel;
6765
6766 bfd_vma plt_index;
6767 bfd_vma got_offset;
6768 Elf_Internal_Rela rel;
6769 bfd_byte *loc;
6770
6771 /* This symbol has an entry in the procedure linkage table. Set
6772 it up. */
6773
6774 BFD_ASSERT (h->dynindx != -1);
6775
6776 splt = htab->splt;
6777 sgot = htab->sgotplt;
6778 srel = htab->srelplt;
6779 BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL);
6780
6781 /* Get the index in the procedure linkage table which
6782 corresponds to this symbol. This is the index of this symbol
6783 in all the symbols for which we are making plt entries. The
6784 first entry in the procedure linkage table is reserved. */
6785 plt_index = h->plt.offset / elf_sh_sizeof_plt (info) - 1;
6786
6787 /* Get the offset into the .got table of the entry that
6788 corresponds to this function. Each .got entry is 4 bytes.
6789 The first three are reserved. */
6790 got_offset = (plt_index + 3) * 4;
6791
6792 #ifdef GOT_BIAS
6793 if (info->shared)
6794 got_offset -= GOT_BIAS;
6795 #endif
6796
6797 /* Fill in the entry in the procedure linkage table. */
6798 if (! info->shared)
6799 {
6800 if (elf_sh_plt_entry == NULL)
6801 {
6802 elf_sh_plt_entry = (bfd_big_endian (output_bfd) ?
6803 elf_sh_plt_entry_be : elf_sh_plt_entry_le);
6804 }
6805 memcpy (splt->contents + h->plt.offset, elf_sh_plt_entry,
6806 elf_sh_sizeof_plt (info));
6807 #ifdef INCLUDE_SHMEDIA
6808 movi_shori_putval (output_bfd,
6809 (sgot->output_section->vma
6810 + sgot->output_offset
6811 + got_offset),
6812 (splt->contents + h->plt.offset
6813 + elf_sh_plt_symbol_offset (info)));
6814
6815 /* Set bottom bit because its for a branch to SHmedia */
6816 movi_shori_putval (output_bfd,
6817 (splt->output_section->vma + splt->output_offset)
6818 | 1,
6819 (splt->contents + h->plt.offset
6820 + elf_sh_plt_plt0_offset (info)));
6821 #else
6822 bfd_put_32 (output_bfd,
6823 (sgot->output_section->vma
6824 + sgot->output_offset
6825 + got_offset),
6826 (splt->contents + h->plt.offset
6827 + elf_sh_plt_symbol_offset (info)));
6828
6829 bfd_put_32 (output_bfd,
6830 (splt->output_section->vma + splt->output_offset),
6831 (splt->contents + h->plt.offset
6832 + elf_sh_plt_plt0_offset (info)));
6833 #endif
6834 }
6835 else
6836 {
6837 if (elf_sh_pic_plt_entry == NULL)
6838 {
6839 elf_sh_pic_plt_entry = (bfd_big_endian (output_bfd) ?
6840 elf_sh_pic_plt_entry_be :
6841 elf_sh_pic_plt_entry_le);
6842 }
6843 memcpy (splt->contents + h->plt.offset, elf_sh_pic_plt_entry,
6844 elf_sh_sizeof_plt (info));
6845 #ifdef INCLUDE_SHMEDIA
6846 movi_shori_putval (output_bfd, got_offset,
6847 (splt->contents + h->plt.offset
6848 + elf_sh_plt_symbol_offset (info)));
6849 #else
6850 bfd_put_32 (output_bfd, got_offset,
6851 (splt->contents + h->plt.offset
6852 + elf_sh_plt_symbol_offset (info)));
6853 #endif
6854 }
6855
6856 #ifdef GOT_BIAS
6857 if (info->shared)
6858 got_offset += GOT_BIAS;
6859 #endif
6860
6861 #ifdef INCLUDE_SHMEDIA
6862 movi_shori_putval (output_bfd,
6863 plt_index * sizeof (Elf32_External_Rela),
6864 (splt->contents + h->plt.offset
6865 + elf_sh_plt_reloc_offset (info)));
6866 #else
6867 bfd_put_32 (output_bfd, plt_index * sizeof (Elf32_External_Rela),
6868 (splt->contents + h->plt.offset
6869 + elf_sh_plt_reloc_offset (info)));
6870 #endif
6871
6872 /* Fill in the entry in the global offset table. */
6873 bfd_put_32 (output_bfd,
6874 (splt->output_section->vma
6875 + splt->output_offset
6876 + h->plt.offset
6877 + elf_sh_plt_temp_offset (info)),
6878 sgot->contents + got_offset);
6879
6880 /* Fill in the entry in the .rela.plt section. */
6881 rel.r_offset = (sgot->output_section->vma
6882 + sgot->output_offset
6883 + got_offset);
6884 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_JMP_SLOT);
6885 rel.r_addend = 0;
6886 #ifdef GOT_BIAS
6887 rel.r_addend = GOT_BIAS;
6888 #endif
6889 loc = srel->contents + plt_index * sizeof (Elf32_External_Rela);
6890 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
6891
6892 if (!h->def_regular)
6893 {
6894 /* Mark the symbol as undefined, rather than as defined in
6895 the .plt section. Leave the value alone. */
6896 sym->st_shndx = SHN_UNDEF;
6897 }
6898 }
6899
6900 if (h->got.offset != (bfd_vma) -1
6901 && sh_elf_hash_entry (h)->tls_type != GOT_TLS_GD
6902 && sh_elf_hash_entry (h)->tls_type != GOT_TLS_IE)
6903 {
6904 asection *sgot;
6905 asection *srel;
6906 Elf_Internal_Rela rel;
6907 bfd_byte *loc;
6908
6909 /* This symbol has an entry in the global offset table. Set it
6910 up. */
6911
6912 sgot = htab->sgot;
6913 srel = htab->srelgot;
6914 BFD_ASSERT (sgot != NULL && srel != NULL);
6915
6916 rel.r_offset = (sgot->output_section->vma
6917 + sgot->output_offset
6918 + (h->got.offset &~ (bfd_vma) 1));
6919
6920 /* If this is a static link, or it is a -Bsymbolic link and the
6921 symbol is defined locally or was forced to be local because
6922 of a version file, we just want to emit a RELATIVE reloc.
6923 The entry in the global offset table will already have been
6924 initialized in the relocate_section function. */
6925 if (info->shared
6926 && SYMBOL_REFERENCES_LOCAL (info, h))
6927 {
6928 rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
6929 rel.r_addend = (h->root.u.def.value
6930 + h->root.u.def.section->output_section->vma
6931 + h->root.u.def.section->output_offset);
6932 }
6933 else
6934 {
6935 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
6936 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT);
6937 rel.r_addend = 0;
6938 }
6939
6940 loc = srel->contents;
6941 loc += srel->reloc_count++ * sizeof (Elf32_External_Rela);
6942 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
6943 }
6944
6945 #ifdef INCLUDE_SHMEDIA
6946 {
6947 struct elf_sh_link_hash_entry *eh;
6948
6949 eh = (struct elf_sh_link_hash_entry *) h;
6950 if (eh->datalabel_got.offset != (bfd_vma) -1)
6951 {
6952 asection *sgot;
6953 asection *srel;
6954 Elf_Internal_Rela rel;
6955 bfd_byte *loc;
6956
6957 /* This symbol has a datalabel entry in the global offset table.
6958 Set it up. */
6959
6960 sgot = htab->sgot;
6961 srel = htab->srelgot;
6962 BFD_ASSERT (sgot != NULL && srel != NULL);
6963
6964 rel.r_offset = (sgot->output_section->vma
6965 + sgot->output_offset
6966 + (eh->datalabel_got.offset &~ (bfd_vma) 1));
6967
6968 /* If this is a static link, or it is a -Bsymbolic link and the
6969 symbol is defined locally or was forced to be local because
6970 of a version file, we just want to emit a RELATIVE reloc.
6971 The entry in the global offset table will already have been
6972 initialized in the relocate_section function. */
6973 if (info->shared
6974 && SYMBOL_REFERENCES_LOCAL (info, h))
6975 {
6976 rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
6977 rel.r_addend = (h->root.u.def.value
6978 + h->root.u.def.section->output_section->vma
6979 + h->root.u.def.section->output_offset);
6980 }
6981 else
6982 {
6983 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents
6984 + eh->datalabel_got.offset);
6985 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT);
6986 rel.r_addend = 0;
6987 }
6988
6989 loc = srel->contents;
6990 loc += srel->reloc_count++ * sizeof (Elf32_External_Rela);
6991 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
6992 }
6993 }
6994 #endif
6995
6996 if (h->needs_copy)
6997 {
6998 asection *s;
6999 Elf_Internal_Rela rel;
7000 bfd_byte *loc;
7001
7002 /* This symbol needs a copy reloc. Set it up. */
7003
7004 BFD_ASSERT (h->dynindx != -1
7005 && (h->root.type == bfd_link_hash_defined
7006 || h->root.type == bfd_link_hash_defweak));
7007
7008 s = bfd_get_section_by_name (h->root.u.def.section->owner,
7009 ".rela.bss");
7010 BFD_ASSERT (s != NULL);
7011
7012 rel.r_offset = (h->root.u.def.value
7013 + h->root.u.def.section->output_section->vma
7014 + h->root.u.def.section->output_offset);
7015 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_COPY);
7016 rel.r_addend = 0;
7017 loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela);
7018 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
7019 }
7020
7021 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */
7022 if (strcmp (h->root.root.string, "_DYNAMIC") == 0
7023 || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
7024 sym->st_shndx = SHN_ABS;
7025
7026 return TRUE;
7027 }
7028
7029 /* Finish up the dynamic sections. */
7030
7031 static bfd_boolean
7032 sh_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
7033 {
7034 struct elf_sh_link_hash_table *htab;
7035 asection *sgot;
7036 asection *sdyn;
7037
7038 htab = sh_elf_hash_table (info);
7039 sgot = htab->sgotplt;
7040 sdyn = bfd_get_section_by_name (htab->root.dynobj, ".dynamic");
7041
7042 if (htab->root.dynamic_sections_created)
7043 {
7044 asection *splt;
7045 Elf32_External_Dyn *dyncon, *dynconend;
7046
7047 BFD_ASSERT (sgot != NULL && sdyn != NULL);
7048
7049 dyncon = (Elf32_External_Dyn *) sdyn->contents;
7050 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
7051 for (; dyncon < dynconend; dyncon++)
7052 {
7053 Elf_Internal_Dyn dyn;
7054 asection *s;
7055 #ifdef INCLUDE_SHMEDIA
7056 const char *name;
7057 #endif
7058
7059 bfd_elf32_swap_dyn_in (htab->root.dynobj, dyncon, &dyn);
7060
7061 switch (dyn.d_tag)
7062 {
7063 default:
7064 break;
7065
7066 #ifdef INCLUDE_SHMEDIA
7067 case DT_INIT:
7068 name = info->init_function;
7069 goto get_sym;
7070
7071 case DT_FINI:
7072 name = info->fini_function;
7073 get_sym:
7074 if (dyn.d_un.d_val != 0)
7075 {
7076 struct elf_link_hash_entry *h;
7077
7078 h = elf_link_hash_lookup (&htab->root, name,
7079 FALSE, FALSE, TRUE);
7080 if (h != NULL && (h->other & STO_SH5_ISA32))
7081 {
7082 dyn.d_un.d_val |= 1;
7083 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7084 }
7085 }
7086 break;
7087 #endif
7088
7089 case DT_PLTGOT:
7090 s = htab->sgot->output_section;
7091 goto get_vma;
7092
7093 case DT_JMPREL:
7094 s = htab->srelplt->output_section;
7095 get_vma:
7096 BFD_ASSERT (s != NULL);
7097 dyn.d_un.d_ptr = s->vma;
7098 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7099 break;
7100
7101 case DT_PLTRELSZ:
7102 s = htab->srelplt->output_section;
7103 BFD_ASSERT (s != NULL);
7104 dyn.d_un.d_val = s->size;
7105 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7106 break;
7107
7108 case DT_RELASZ:
7109 /* My reading of the SVR4 ABI indicates that the
7110 procedure linkage table relocs (DT_JMPREL) should be
7111 included in the overall relocs (DT_RELA). This is
7112 what Solaris does. However, UnixWare can not handle
7113 that case. Therefore, we override the DT_RELASZ entry
7114 here to make it not include the JMPREL relocs. Since
7115 the linker script arranges for .rela.plt to follow all
7116 other relocation sections, we don't have to worry
7117 about changing the DT_RELA entry. */
7118 if (htab->srelplt != NULL)
7119 {
7120 s = htab->srelplt->output_section;
7121 dyn.d_un.d_val -= s->size;
7122 }
7123 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7124 break;
7125 }
7126 }
7127
7128 /* Fill in the first entry in the procedure linkage table. */
7129 splt = htab->splt;
7130 if (splt && splt->size > 0)
7131 {
7132 if (info->shared)
7133 {
7134 if (elf_sh_pic_plt_entry == NULL)
7135 {
7136 elf_sh_pic_plt_entry = (bfd_big_endian (output_bfd) ?
7137 elf_sh_pic_plt_entry_be :
7138 elf_sh_pic_plt_entry_le);
7139 }
7140 memcpy (splt->contents, elf_sh_pic_plt_entry,
7141 elf_sh_sizeof_plt (info));
7142 }
7143 else
7144 {
7145 if (elf_sh_plt0_entry == NULL)
7146 {
7147 elf_sh_plt0_entry = (bfd_big_endian (output_bfd) ?
7148 elf_sh_plt0_entry_be :
7149 elf_sh_plt0_entry_le);
7150 }
7151 memcpy (splt->contents, elf_sh_plt0_entry, PLT_ENTRY_SIZE);
7152 #ifdef INCLUDE_SHMEDIA
7153 movi_shori_putval (output_bfd,
7154 sgot->output_section->vma
7155 + sgot->output_offset,
7156 splt->contents
7157 + elf_sh_plt0_gotplt_offset (info));
7158 #else
7159 bfd_put_32 (output_bfd,
7160 sgot->output_section->vma + sgot->output_offset + 4,
7161 splt->contents + elf_sh_plt0_gotid_offset (info));
7162 bfd_put_32 (output_bfd,
7163 sgot->output_section->vma + sgot->output_offset + 8,
7164 splt->contents + elf_sh_plt0_linker_offset (info));
7165 #endif
7166 }
7167
7168 /* UnixWare sets the entsize of .plt to 4, although that doesn't
7169 really seem like the right value. */
7170 elf_section_data (splt->output_section)->this_hdr.sh_entsize = 4;
7171 }
7172 }
7173
7174 /* Fill in the first three entries in the global offset table. */
7175 if (sgot && sgot->size > 0)
7176 {
7177 if (sdyn == NULL)
7178 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents);
7179 else
7180 bfd_put_32 (output_bfd,
7181 sdyn->output_section->vma + sdyn->output_offset,
7182 sgot->contents);
7183 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 4);
7184 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 8);
7185
7186 elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
7187 }
7188
7189 return TRUE;
7190 }
7191
7192 static enum elf_reloc_type_class
7193 sh_elf_reloc_type_class (const Elf_Internal_Rela *rela)
7194 {
7195 switch ((int) ELF32_R_TYPE (rela->r_info))
7196 {
7197 case R_SH_RELATIVE:
7198 return reloc_class_relative;
7199 case R_SH_JMP_SLOT:
7200 return reloc_class_plt;
7201 case R_SH_COPY:
7202 return reloc_class_copy;
7203 default:
7204 return reloc_class_normal;
7205 }
7206 }
7207
7208 #if !defined SH_TARGET_ALREADY_DEFINED
7209 /* Support for Linux core dump NOTE sections. */
7210
7211 static bfd_boolean
7212 elf32_shlin_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
7213 {
7214 int offset;
7215 unsigned int size;
7216
7217 switch (note->descsz)
7218 {
7219 default:
7220 return FALSE;
7221
7222 case 168: /* Linux/SH */
7223 /* pr_cursig */
7224 elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12);
7225
7226 /* pr_pid */
7227 elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 24);
7228
7229 /* pr_reg */
7230 offset = 72;
7231 size = 92;
7232
7233 break;
7234 }
7235
7236 /* Make a ".reg/999" section. */
7237 return _bfd_elfcore_make_pseudosection (abfd, ".reg",
7238 size, note->descpos + offset);
7239 }
7240
7241 static bfd_boolean
7242 elf32_shlin_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
7243 {
7244 switch (note->descsz)
7245 {
7246 default:
7247 return FALSE;
7248
7249 case 124: /* Linux/SH elf_prpsinfo */
7250 elf_tdata (abfd)->core_program
7251 = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
7252 elf_tdata (abfd)->core_command
7253 = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
7254 }
7255
7256 /* Note that for some reason, a spurious space is tacked
7257 onto the end of the args in some (at least one anyway)
7258 implementations, so strip it off if it exists. */
7259
7260 {
7261 char *command = elf_tdata (abfd)->core_command;
7262 int n = strlen (command);
7263
7264 if (0 < n && command[n - 1] == ' ')
7265 command[n - 1] = '\0';
7266 }
7267
7268 return TRUE;
7269 }
7270 #endif /* not SH_TARGET_ALREADY_DEFINED */
7271
7272
7273 /* Return address for Ith PLT stub in section PLT, for relocation REL
7274 or (bfd_vma) -1 if it should not be included. */
7275
7276 static bfd_vma
7277 sh_elf_plt_sym_val (bfd_vma i, const asection *plt,
7278 const arelent *rel ATTRIBUTE_UNUSED)
7279 {
7280 return plt->vma + (i + 1) * PLT_ENTRY_SIZE;
7281 }
7282
7283 #if !defined SH_TARGET_ALREADY_DEFINED
7284 #define TARGET_BIG_SYM bfd_elf32_sh_vec
7285 #define TARGET_BIG_NAME "elf32-sh"
7286 #define TARGET_LITTLE_SYM bfd_elf32_shl_vec
7287 #define TARGET_LITTLE_NAME "elf32-shl"
7288 #endif
7289
7290 #define ELF_ARCH bfd_arch_sh
7291 #define ELF_MACHINE_CODE EM_SH
7292 #ifdef __QNXTARGET__
7293 #define ELF_MAXPAGESIZE 0x1000
7294 #else
7295 #define ELF_MAXPAGESIZE 0x80
7296 #endif
7297
7298 #define elf_symbol_leading_char '_'
7299
7300 #define bfd_elf32_bfd_reloc_type_lookup sh_elf_reloc_type_lookup
7301 #define elf_info_to_howto sh_elf_info_to_howto
7302 #define bfd_elf32_bfd_relax_section sh_elf_relax_section
7303 #define elf_backend_relocate_section sh_elf_relocate_section
7304 #define bfd_elf32_bfd_get_relocated_section_contents \
7305 sh_elf_get_relocated_section_contents
7306 #define bfd_elf32_mkobject sh_elf_mkobject
7307 #define elf_backend_object_p sh_elf_object_p
7308 #define bfd_elf32_bfd_set_private_bfd_flags \
7309 sh_elf_set_private_flags
7310 #define bfd_elf32_bfd_copy_private_bfd_data \
7311 sh_elf_copy_private_data
7312 #define bfd_elf32_bfd_merge_private_bfd_data \
7313 sh_elf_merge_private_data
7314
7315 #define elf_backend_gc_mark_hook sh_elf_gc_mark_hook
7316 #define elf_backend_gc_sweep_hook sh_elf_gc_sweep_hook
7317 #define elf_backend_check_relocs sh_elf_check_relocs
7318 #define elf_backend_copy_indirect_symbol \
7319 sh_elf_copy_indirect_symbol
7320 #define elf_backend_create_dynamic_sections \
7321 sh_elf_create_dynamic_sections
7322 #define bfd_elf32_bfd_link_hash_table_create \
7323 sh_elf_link_hash_table_create
7324 #define elf_backend_adjust_dynamic_symbol \
7325 sh_elf_adjust_dynamic_symbol
7326 #define elf_backend_size_dynamic_sections \
7327 sh_elf_size_dynamic_sections
7328 #define elf_backend_finish_dynamic_symbol \
7329 sh_elf_finish_dynamic_symbol
7330 #define elf_backend_finish_dynamic_sections \
7331 sh_elf_finish_dynamic_sections
7332 #define elf_backend_reloc_type_class sh_elf_reloc_type_class
7333 #define elf_backend_plt_sym_val sh_elf_plt_sym_val
7334
7335 #define elf_backend_can_gc_sections 1
7336 #define elf_backend_can_refcount 1
7337 #define elf_backend_want_got_plt 1
7338 #define elf_backend_plt_readonly 1
7339 #define elf_backend_want_plt_sym 0
7340 #define elf_backend_got_header_size 12
7341
7342 #if !defined INCLUDE_SHMEDIA && !defined SH_TARGET_ALREADY_DEFINED
7343
7344 #include "elf32-target.h"
7345
7346 /* NetBSD support. */
7347 #undef TARGET_BIG_SYM
7348 #define TARGET_BIG_SYM bfd_elf32_shnbsd_vec
7349 #undef TARGET_BIG_NAME
7350 #define TARGET_BIG_NAME "elf32-sh-nbsd"
7351 #undef TARGET_LITTLE_SYM
7352 #define TARGET_LITTLE_SYM bfd_elf32_shlnbsd_vec
7353 #undef TARGET_LITTLE_NAME
7354 #define TARGET_LITTLE_NAME "elf32-shl-nbsd"
7355 #undef ELF_MAXPAGESIZE
7356 #define ELF_MAXPAGESIZE 0x10000
7357 #undef elf_symbol_leading_char
7358 #define elf_symbol_leading_char 0
7359 #undef elf32_bed
7360 #define elf32_bed elf32_sh_nbsd_bed
7361
7362 #include "elf32-target.h"
7363
7364
7365 /* Linux support. */
7366 #undef TARGET_BIG_SYM
7367 #define TARGET_BIG_SYM bfd_elf32_shblin_vec
7368 #undef TARGET_BIG_NAME
7369 #define TARGET_BIG_NAME "elf32-shbig-linux"
7370 #undef TARGET_LITTLE_SYM
7371 #define TARGET_LITTLE_SYM bfd_elf32_shlin_vec
7372 #undef TARGET_LITTLE_NAME
7373 #define TARGET_LITTLE_NAME "elf32-sh-linux"
7374
7375 #undef elf_backend_grok_prstatus
7376 #define elf_backend_grok_prstatus elf32_shlin_grok_prstatus
7377 #undef elf_backend_grok_psinfo
7378 #define elf_backend_grok_psinfo elf32_shlin_grok_psinfo
7379 #undef elf32_bed
7380 #define elf32_bed elf32_sh_lin_bed
7381
7382 #include "elf32-target.h"
7383
7384 #endif /* neither INCLUDE_SHMEDIA nor SH_TARGET_ALREADY_DEFINED */
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