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[ bfd/ChangeLog ]
[binutils.git] / bfd / elf32-sh.c
blobb229b5eb8cbd25c2d207ceaeada6a7b72a70bf84
1 /* Renesas / SuperH SH specific support for 32-bit ELF
2 Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
3 2006 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, 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 if (abfd->tdata.any == NULL)
3522 {
3523 bfd_size_type amt = sizeof (struct sh_elf_obj_tdata);
3524 abfd->tdata.any = bfd_zalloc (abfd, amt);
3525 if (abfd->tdata.any == NULL)
3526 return FALSE;
3527 }
3528 return bfd_elf_mkobject (abfd);
3529 }
3530
3531 /* sh ELF linker hash table. */
3532
3533 struct elf_sh_link_hash_table
3534 {
3535 struct elf_link_hash_table root;
3536
3537 /* Short-cuts to get to dynamic linker sections. */
3538 asection *sgot;
3539 asection *sgotplt;
3540 asection *srelgot;
3541 asection *splt;
3542 asection *srelplt;
3543 asection *sdynbss;
3544 asection *srelbss;
3545
3546 /* Small local sym to section mapping cache. */
3547 struct sym_sec_cache sym_sec;
3548
3549 /* A counter or offset to track a TLS got entry. */
3550 union
3551 {
3552 bfd_signed_vma refcount;
3553 bfd_vma offset;
3554 } tls_ldm_got;
3555 };
3556
3557 /* Traverse an sh ELF linker hash table. */
3558
3559 #define sh_elf_link_hash_traverse(table, func, info) \
3560 (elf_link_hash_traverse \
3561 (&(table)->root, \
3562 (bfd_boolean (*) (struct elf_link_hash_entry *, void *)) (func), \
3563 (info)))
3564
3565 /* Get the sh ELF linker hash table from a link_info structure. */
3566
3567 #define sh_elf_hash_table(p) \
3568 ((struct elf_sh_link_hash_table *) ((p)->hash))
3569
3570 /* Create an entry in an sh ELF linker hash table. */
3571
3572 static struct bfd_hash_entry *
3573 sh_elf_link_hash_newfunc (struct bfd_hash_entry *entry,
3574 struct bfd_hash_table *table,
3575 const char *string)
3576 {
3577 struct elf_sh_link_hash_entry *ret =
3578 (struct elf_sh_link_hash_entry *) entry;
3579
3580 /* Allocate the structure if it has not already been allocated by a
3581 subclass. */
3582 if (ret == (struct elf_sh_link_hash_entry *) NULL)
3583 ret = ((struct elf_sh_link_hash_entry *)
3584 bfd_hash_allocate (table,
3585 sizeof (struct elf_sh_link_hash_entry)));
3586 if (ret == (struct elf_sh_link_hash_entry *) NULL)
3587 return (struct bfd_hash_entry *) ret;
3588
3589 /* Call the allocation method of the superclass. */
3590 ret = ((struct elf_sh_link_hash_entry *)
3591 _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
3592 table, string));
3593 if (ret != (struct elf_sh_link_hash_entry *) NULL)
3594 {
3595 ret->dyn_relocs = NULL;
3596 ret->gotplt_refcount = 0;
3597 #ifdef INCLUDE_SHMEDIA
3598 ret->datalabel_got.refcount = ret->root.got.refcount;
3599 #endif
3600 ret->tls_type = GOT_UNKNOWN;
3601 }
3602
3603 return (struct bfd_hash_entry *) ret;
3604 }
3605
3606 /* Create an sh ELF linker hash table. */
3607
3608 static struct bfd_link_hash_table *
3609 sh_elf_link_hash_table_create (bfd *abfd)
3610 {
3611 struct elf_sh_link_hash_table *ret;
3612 bfd_size_type amt = sizeof (struct elf_sh_link_hash_table);
3613
3614 ret = (struct elf_sh_link_hash_table *) bfd_malloc (amt);
3615 if (ret == (struct elf_sh_link_hash_table *) NULL)
3616 return NULL;
3617
3618 if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
3619 sh_elf_link_hash_newfunc,
3620 sizeof (struct elf_sh_link_hash_entry)))
3621 {
3622 free (ret);
3623 return NULL;
3624 }
3625
3626 ret->sgot = NULL;
3627 ret->sgotplt = NULL;
3628 ret->srelgot = NULL;
3629 ret->splt = NULL;
3630 ret->srelplt = NULL;
3631 ret->sdynbss = NULL;
3632 ret->srelbss = NULL;
3633 ret->sym_sec.abfd = NULL;
3634 ret->tls_ldm_got.refcount = 0;
3635
3636 return &ret->root.root;
3637 }
3638
3639 /* Create .got, .gotplt, and .rela.got sections in DYNOBJ, and set up
3640 shortcuts to them in our hash table. */
3641
3642 static bfd_boolean
3643 create_got_section (bfd *dynobj, struct bfd_link_info *info)
3644 {
3645 struct elf_sh_link_hash_table *htab;
3646
3647 if (! _bfd_elf_create_got_section (dynobj, info))
3648 return FALSE;
3649
3650 htab = sh_elf_hash_table (info);
3651 htab->sgot = bfd_get_section_by_name (dynobj, ".got");
3652 htab->sgotplt = bfd_get_section_by_name (dynobj, ".got.plt");
3653 if (! htab->sgot || ! htab->sgotplt)
3654 abort ();
3655
3656 htab->srelgot = bfd_make_section_with_flags (dynobj, ".rela.got",
3657 (SEC_ALLOC | SEC_LOAD
3658 | SEC_HAS_CONTENTS
3659 | SEC_IN_MEMORY
3660 | SEC_LINKER_CREATED
3661 | SEC_READONLY));
3662 if (htab->srelgot == NULL
3663 || ! bfd_set_section_alignment (dynobj, htab->srelgot, 2))
3664 return FALSE;
3665 return TRUE;
3666 }
3667
3668 /* Create dynamic sections when linking against a dynamic object. */
3669
3670 static bfd_boolean
3671 sh_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
3672 {
3673 struct elf_sh_link_hash_table *htab;
3674 flagword flags, pltflags;
3675 register asection *s;
3676 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
3677 int ptralign = 0;
3678
3679 switch (bed->s->arch_size)
3680 {
3681 case 32:
3682 ptralign = 2;
3683 break;
3684
3685 case 64:
3686 ptralign = 3;
3687 break;
3688
3689 default:
3690 bfd_set_error (bfd_error_bad_value);
3691 return FALSE;
3692 }
3693
3694 htab = sh_elf_hash_table (info);
3695 if (htab->root.dynamic_sections_created)
3696 return TRUE;
3697
3698 /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and
3699 .rel[a].bss sections. */
3700
3701 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
3702 | SEC_LINKER_CREATED);
3703
3704 pltflags = flags;
3705 pltflags |= SEC_CODE;
3706 if (bed->plt_not_loaded)
3707 pltflags &= ~ (SEC_LOAD | SEC_HAS_CONTENTS);
3708 if (bed->plt_readonly)
3709 pltflags |= SEC_READONLY;
3710
3711 s = bfd_make_section_with_flags (abfd, ".plt", pltflags);
3712 htab->splt = s;
3713 if (s == NULL
3714 || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
3715 return FALSE;
3716
3717 if (bed->want_plt_sym)
3718 {
3719 /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
3720 .plt section. */
3721 struct elf_link_hash_entry *h;
3722 struct bfd_link_hash_entry *bh = NULL;
3723
3724 if (! (_bfd_generic_link_add_one_symbol
3725 (info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s,
3726 (bfd_vma) 0, (const char *) NULL, FALSE,
3727 get_elf_backend_data (abfd)->collect, &bh)))
3728 return FALSE;
3729
3730 h = (struct elf_link_hash_entry *) bh;
3731 h->def_regular = 1;
3732 h->type = STT_OBJECT;
3733 htab->root.hplt = h;
3734
3735 if (info->shared
3736 && ! bfd_elf_link_record_dynamic_symbol (info, h))
3737 return FALSE;
3738 }
3739
3740 s = bfd_make_section_with_flags (abfd,
3741 bed->default_use_rela_p ? ".rela.plt" : ".rel.plt",
3742 flags | SEC_READONLY);
3743 htab->srelplt = s;
3744 if (s == NULL
3745 || ! bfd_set_section_alignment (abfd, s, ptralign))
3746 return FALSE;
3747
3748 if (htab->sgot == NULL
3749 && !create_got_section (abfd, info))
3750 return FALSE;
3751
3752 {
3753 const char *secname;
3754 char *relname;
3755 flagword secflags;
3756 asection *sec;
3757
3758 for (sec = abfd->sections; sec; sec = sec->next)
3759 {
3760 secflags = bfd_get_section_flags (abfd, sec);
3761 if ((secflags & (SEC_DATA | SEC_LINKER_CREATED))
3762 || ((secflags & SEC_HAS_CONTENTS) != SEC_HAS_CONTENTS))
3763 continue;
3764 secname = bfd_get_section_name (abfd, sec);
3765 relname = (char *) bfd_malloc ((bfd_size_type) strlen (secname) + 6);
3766 strcpy (relname, ".rela");
3767 strcat (relname, secname);
3768 if (bfd_get_section_by_name (abfd, secname))
3769 continue;
3770 s = bfd_make_section_with_flags (abfd, relname,
3771 flags | SEC_READONLY);
3772 if (s == NULL
3773 || ! bfd_set_section_alignment (abfd, s, ptralign))
3774 return FALSE;
3775 }
3776 }
3777
3778 if (bed->want_dynbss)
3779 {
3780 /* The .dynbss section is a place to put symbols which are defined
3781 by dynamic objects, are referenced by regular objects, and are
3782 not functions. We must allocate space for them in the process
3783 image and use a R_*_COPY reloc to tell the dynamic linker to
3784 initialize them at run time. The linker script puts the .dynbss
3785 section into the .bss section of the final image. */
3786 s = bfd_make_section_with_flags (abfd, ".dynbss",
3787 SEC_ALLOC | SEC_LINKER_CREATED);
3788 htab->sdynbss = s;
3789 if (s == NULL)
3790 return FALSE;
3791
3792 /* The .rel[a].bss section holds copy relocs. This section is not
3793 normally needed. We need to create it here, though, so that the
3794 linker will map it to an output section. We can't just create it
3795 only if we need it, because we will not know whether we need it
3796 until we have seen all the input files, and the first time the
3797 main linker code calls BFD after examining all the input files
3798 (size_dynamic_sections) the input sections have already been
3799 mapped to the output sections. If the section turns out not to
3800 be needed, we can discard it later. We will never need this
3801 section when generating a shared object, since they do not use
3802 copy relocs. */
3803 if (! info->shared)
3804 {
3805 s = bfd_make_section_with_flags (abfd,
3806 (bed->default_use_rela_p
3807 ? ".rela.bss" : ".rel.bss"),
3808 flags | SEC_READONLY);
3809 htab->srelbss = s;
3810 if (s == NULL
3811 || ! bfd_set_section_alignment (abfd, s, ptralign))
3812 return FALSE;
3813 }
3814 }
3815
3816 return TRUE;
3817 }
3818 \f
3819 /* Adjust a symbol defined by a dynamic object and referenced by a
3820 regular object. The current definition is in some section of the
3821 dynamic object, but we're not including those sections. We have to
3822 change the definition to something the rest of the link can
3823 understand. */
3824
3825 static bfd_boolean
3826 sh_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
3827 struct elf_link_hash_entry *h)
3828 {
3829 struct elf_sh_link_hash_table *htab;
3830 struct elf_sh_link_hash_entry *eh;
3831 struct elf_sh_dyn_relocs *p;
3832 asection *s;
3833 unsigned int power_of_two;
3834
3835 htab = sh_elf_hash_table (info);
3836
3837 /* Make sure we know what is going on here. */
3838 BFD_ASSERT (htab->root.dynobj != NULL
3839 && (h->needs_plt
3840 || h->u.weakdef != NULL
3841 || (h->def_dynamic
3842 && h->ref_regular
3843 && !h->def_regular)));
3844
3845 /* If this is a function, put it in the procedure linkage table. We
3846 will fill in the contents of the procedure linkage table later,
3847 when we know the address of the .got section. */
3848 if (h->type == STT_FUNC
3849 || h->needs_plt)
3850 {
3851 if (h->plt.refcount <= 0
3852 || SYMBOL_CALLS_LOCAL (info, h)
3853 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
3854 && h->root.type == bfd_link_hash_undefweak))
3855 {
3856 /* This case can occur if we saw a PLT reloc in an input
3857 file, but the symbol was never referred to by a dynamic
3858 object. In such a case, we don't actually need to build
3859 a procedure linkage table, and we can just do a REL32
3860 reloc instead. */
3861 h->plt.offset = (bfd_vma) -1;
3862 h->needs_plt = 0;
3863 }
3864
3865 return TRUE;
3866 }
3867 else
3868 h->plt.offset = (bfd_vma) -1;
3869
3870 /* If this is a weak symbol, and there is a real definition, the
3871 processor independent code will have arranged for us to see the
3872 real definition first, and we can just use the same value. */
3873 if (h->u.weakdef != NULL)
3874 {
3875 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
3876 || h->u.weakdef->root.type == bfd_link_hash_defweak);
3877 h->root.u.def.section = h->u.weakdef->root.u.def.section;
3878 h->root.u.def.value = h->u.weakdef->root.u.def.value;
3879 if (info->nocopyreloc)
3880 h->non_got_ref = h->u.weakdef->non_got_ref;
3881 return TRUE;
3882 }
3883
3884 /* This is a reference to a symbol defined by a dynamic object which
3885 is not a function. */
3886
3887 /* If we are creating a shared library, we must presume that the
3888 only references to the symbol are via the global offset table.
3889 For such cases we need not do anything here; the relocations will
3890 be handled correctly by relocate_section. */
3891 if (info->shared)
3892 return TRUE;
3893
3894 /* If there are no references to this symbol that do not use the
3895 GOT, we don't need to generate a copy reloc. */
3896 if (!h->non_got_ref)
3897 return TRUE;
3898
3899 /* If -z nocopyreloc was given, we won't generate them either. */
3900 if (info->nocopyreloc)
3901 {
3902 h->non_got_ref = 0;
3903 return TRUE;
3904 }
3905
3906 eh = (struct elf_sh_link_hash_entry *) h;
3907 for (p = eh->dyn_relocs; p != NULL; p = p->next)
3908 {
3909 s = p->sec->output_section;
3910 if (s != NULL && (s->flags & (SEC_READONLY | SEC_HAS_CONTENTS)) != 0)
3911 break;
3912 }
3913
3914 /* If we didn't find any dynamic relocs in sections which needs the
3915 copy reloc, then we'll be keeping the dynamic relocs and avoiding
3916 the copy reloc. */
3917 if (p == NULL)
3918 {
3919 h->non_got_ref = 0;
3920 return TRUE;
3921 }
3922
3923 if (h->size == 0)
3924 {
3925 (*_bfd_error_handler) (_("dynamic variable `%s' is zero size"),
3926 h->root.root.string);
3927 return TRUE;
3928 }
3929
3930 /* We must allocate the symbol in our .dynbss section, which will
3931 become part of the .bss section of the executable. There will be
3932 an entry for this symbol in the .dynsym section. The dynamic
3933 object will contain position independent code, so all references
3934 from the dynamic object to this symbol will go through the global
3935 offset table. The dynamic linker will use the .dynsym entry to
3936 determine the address it must put in the global offset table, so
3937 both the dynamic object and the regular object will refer to the
3938 same memory location for the variable. */
3939
3940 s = htab->sdynbss;
3941 BFD_ASSERT (s != NULL);
3942
3943 /* We must generate a R_SH_COPY reloc to tell the dynamic linker to
3944 copy the initial value out of the dynamic object and into the
3945 runtime process image. We need to remember the offset into the
3946 .rela.bss section we are going to use. */
3947 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
3948 {
3949 asection *srel;
3950
3951 srel = htab->srelbss;
3952 BFD_ASSERT (srel != NULL);
3953 srel->size += sizeof (Elf32_External_Rela);
3954 h->needs_copy = 1;
3955 }
3956
3957 /* We need to figure out the alignment required for this symbol. I
3958 have no idea how ELF linkers handle this. */
3959 power_of_two = bfd_log2 (h->size);
3960 if (power_of_two > 3)
3961 power_of_two = 3;
3962
3963 /* Apply the required alignment. */
3964 s->size = BFD_ALIGN (s->size, (bfd_size_type) (1 << power_of_two));
3965 if (power_of_two > bfd_get_section_alignment (htab->root.dynobj, s))
3966 {
3967 if (! bfd_set_section_alignment (htab->root.dynobj, s, power_of_two))
3968 return FALSE;
3969 }
3970
3971 /* Define the symbol as being at this point in the section. */
3972 h->root.u.def.section = s;
3973 h->root.u.def.value = s->size;
3974
3975 /* Increment the section size to make room for the symbol. */
3976 s->size += h->size;
3977
3978 return TRUE;
3979 }
3980
3981 /* Allocate space in .plt, .got and associated reloc sections for
3982 dynamic relocs. */
3983
3984 static bfd_boolean
3985 allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
3986 {
3987 struct bfd_link_info *info;
3988 struct elf_sh_link_hash_table *htab;
3989 struct elf_sh_link_hash_entry *eh;
3990 struct elf_sh_dyn_relocs *p;
3991
3992 if (h->root.type == bfd_link_hash_indirect)
3993 return TRUE;
3994
3995 if (h->root.type == bfd_link_hash_warning)
3996 /* When warning symbols are created, they **replace** the "real"
3997 entry in the hash table, thus we never get to see the real
3998 symbol in a hash traversal. So look at it now. */
3999 h = (struct elf_link_hash_entry *) h->root.u.i.link;
4000
4001 info = (struct bfd_link_info *) inf;
4002 htab = sh_elf_hash_table (info);
4003
4004 eh = (struct elf_sh_link_hash_entry *) h;
4005 if ((h->got.refcount > 0
4006 || h->forced_local)
4007 && eh->gotplt_refcount > 0)
4008 {
4009 /* The symbol has been forced local, or we have some direct got refs,
4010 so treat all the gotplt refs as got refs. */
4011 h->got.refcount += eh->gotplt_refcount;
4012 if (h->plt.refcount >= eh->gotplt_refcount)
4013 h->plt.refcount -= eh->gotplt_refcount;
4014 }
4015
4016 if (htab->root.dynamic_sections_created
4017 && h->plt.refcount > 0
4018 && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
4019 || h->root.type != bfd_link_hash_undefweak))
4020 {
4021 /* Make sure this symbol is output as a dynamic symbol.
4022 Undefined weak syms won't yet be marked as dynamic. */
4023 if (h->dynindx == -1
4024 && !h->forced_local)
4025 {
4026 if (! bfd_elf_link_record_dynamic_symbol (info, h))
4027 return FALSE;
4028 }
4029
4030 if (info->shared
4031 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h))
4032 {
4033 asection *s = htab->splt;
4034
4035 /* If this is the first .plt entry, make room for the special
4036 first entry. */
4037 if (s->size == 0)
4038 s->size += PLT_ENTRY_SIZE;
4039
4040 h->plt.offset = s->size;
4041
4042 /* If this symbol is not defined in a regular file, and we are
4043 not generating a shared library, then set the symbol to this
4044 location in the .plt. This is required to make function
4045 pointers compare as equal between the normal executable and
4046 the shared library. */
4047 if (! info->shared
4048 && !h->def_regular)
4049 {
4050 h->root.u.def.section = s;
4051 h->root.u.def.value = h->plt.offset;
4052 }
4053
4054 /* Make room for this entry. */
4055 s->size += PLT_ENTRY_SIZE;
4056
4057 /* We also need to make an entry in the .got.plt section, which
4058 will be placed in the .got section by the linker script. */
4059 htab->sgotplt->size += 4;
4060
4061 /* We also need to make an entry in the .rel.plt section. */
4062 htab->srelplt->size += sizeof (Elf32_External_Rela);
4063 }
4064 else
4065 {
4066 h->plt.offset = (bfd_vma) -1;
4067 h->needs_plt = 0;
4068 }
4069 }
4070 else
4071 {
4072 h->plt.offset = (bfd_vma) -1;
4073 h->needs_plt = 0;
4074 }
4075
4076 if (h->got.refcount > 0)
4077 {
4078 asection *s;
4079 bfd_boolean dyn;
4080 int tls_type = sh_elf_hash_entry (h)->tls_type;
4081
4082 /* Make sure this symbol is output as a dynamic symbol.
4083 Undefined weak syms won't yet be marked as dynamic. */
4084 if (h->dynindx == -1
4085 && !h->forced_local)
4086 {
4087 if (! bfd_elf_link_record_dynamic_symbol (info, h))
4088 return FALSE;
4089 }
4090
4091 s = htab->sgot;
4092 h->got.offset = s->size;
4093 s->size += 4;
4094 /* R_SH_TLS_GD needs 2 consecutive GOT slots. */
4095 if (tls_type == GOT_TLS_GD)
4096 s->size += 4;
4097 dyn = htab->root.dynamic_sections_created;
4098 /* R_SH_TLS_IE_32 needs one dynamic relocation if dynamic,
4099 R_SH_TLS_GD needs one if local symbol and two if global. */
4100 if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
4101 || (tls_type == GOT_TLS_IE && dyn))
4102 htab->srelgot->size += sizeof (Elf32_External_Rela);
4103 else if (tls_type == GOT_TLS_GD)
4104 htab->srelgot->size += 2 * sizeof (Elf32_External_Rela);
4105 else if ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
4106 || h->root.type != bfd_link_hash_undefweak)
4107 && (info->shared
4108 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h)))
4109 htab->srelgot->size += sizeof (Elf32_External_Rela);
4110 }
4111 else
4112 h->got.offset = (bfd_vma) -1;
4113
4114 #ifdef INCLUDE_SHMEDIA
4115 if (eh->datalabel_got.refcount > 0)
4116 {
4117 asection *s;
4118 bfd_boolean dyn;
4119
4120 /* Make sure this symbol is output as a dynamic symbol.
4121 Undefined weak syms won't yet be marked as dynamic. */
4122 if (h->dynindx == -1
4123 && !h->forced_local)
4124 {
4125 if (! bfd_elf_link_record_dynamic_symbol (info, h))
4126 return FALSE;
4127 }
4128
4129 s = htab->sgot;
4130 eh->datalabel_got.offset = s->size;
4131 s->size += 4;
4132 dyn = htab->root.dynamic_sections_created;
4133 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h))
4134 htab->srelgot->size += sizeof (Elf32_External_Rela);
4135 }
4136 else
4137 eh->datalabel_got.offset = (bfd_vma) -1;
4138 #endif
4139
4140 if (eh->dyn_relocs == NULL)
4141 return TRUE;
4142
4143 /* In the shared -Bsymbolic case, discard space allocated for
4144 dynamic pc-relative relocs against symbols which turn out to be
4145 defined in regular objects. For the normal shared case, discard
4146 space for pc-relative relocs that have become local due to symbol
4147 visibility changes. */
4148
4149 if (info->shared)
4150 {
4151 if (SYMBOL_CALLS_LOCAL (info, h))
4152 {
4153 struct elf_sh_dyn_relocs **pp;
4154
4155 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
4156 {
4157 p->count -= p->pc_count;
4158 p->pc_count = 0;
4159 if (p->count == 0)
4160 *pp = p->next;
4161 else
4162 pp = &p->next;
4163 }
4164 }
4165
4166 /* Also discard relocs on undefined weak syms with non-default
4167 visibility. */
4168 if (eh->dyn_relocs != NULL
4169 && h->root.type == bfd_link_hash_undefweak)
4170 {
4171 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
4172 eh->dyn_relocs = NULL;
4173
4174 /* Make sure undefined weak symbols are output as a dynamic
4175 symbol in PIEs. */
4176 else if (h->dynindx == -1
4177 && !h->forced_local)
4178 {
4179 if (! bfd_elf_link_record_dynamic_symbol (info, h))
4180 return FALSE;
4181 }
4182 }
4183 }
4184 else
4185 {
4186 /* For the non-shared case, discard space for relocs against
4187 symbols which turn out to need copy relocs or are not
4188 dynamic. */
4189
4190 if (!h->non_got_ref
4191 && ((h->def_dynamic
4192 && !h->def_regular)
4193 || (htab->root.dynamic_sections_created
4194 && (h->root.type == bfd_link_hash_undefweak
4195 || h->root.type == bfd_link_hash_undefined))))
4196 {
4197 /* Make sure this symbol is output as a dynamic symbol.
4198 Undefined weak syms won't yet be marked as dynamic. */
4199 if (h->dynindx == -1
4200 && !h->forced_local)
4201 {
4202 if (! bfd_elf_link_record_dynamic_symbol (info, h))
4203 return FALSE;
4204 }
4205
4206 /* If that succeeded, we know we'll be keeping all the
4207 relocs. */
4208 if (h->dynindx != -1)
4209 goto keep;
4210 }
4211
4212 eh->dyn_relocs = NULL;
4213
4214 keep: ;
4215 }
4216
4217 /* Finally, allocate space. */
4218 for (p = eh->dyn_relocs; p != NULL; p = p->next)
4219 {
4220 asection *sreloc = elf_section_data (p->sec)->sreloc;
4221 sreloc->size += p->count * sizeof (Elf32_External_Rela);
4222 }
4223
4224 return TRUE;
4225 }
4226
4227 /* Find any dynamic relocs that apply to read-only sections. */
4228
4229 static bfd_boolean
4230 readonly_dynrelocs (struct elf_link_hash_entry *h, void *inf)
4231 {
4232 struct elf_sh_link_hash_entry *eh;
4233 struct elf_sh_dyn_relocs *p;
4234
4235 if (h->root.type == bfd_link_hash_warning)
4236 h = (struct elf_link_hash_entry *) h->root.u.i.link;
4237
4238 eh = (struct elf_sh_link_hash_entry *) h;
4239 for (p = eh->dyn_relocs; p != NULL; p = p->next)
4240 {
4241 asection *s = p->sec->output_section;
4242
4243 if (s != NULL && (s->flags & SEC_READONLY) != 0)
4244 {
4245 struct bfd_link_info *info = (struct bfd_link_info *) inf;
4246
4247 info->flags |= DF_TEXTREL;
4248
4249 /* Not an error, just cut short the traversal. */
4250 return FALSE;
4251 }
4252 }
4253 return TRUE;
4254 }
4255
4256 /* Set the sizes of the dynamic sections. */
4257
4258 static bfd_boolean
4259 sh_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
4260 struct bfd_link_info *info)
4261 {
4262 struct elf_sh_link_hash_table *htab;
4263 bfd *dynobj;
4264 asection *s;
4265 bfd_boolean relocs;
4266 bfd *ibfd;
4267
4268 htab = sh_elf_hash_table (info);
4269 dynobj = htab->root.dynobj;
4270 BFD_ASSERT (dynobj != NULL);
4271
4272 if (htab->root.dynamic_sections_created)
4273 {
4274 /* Set the contents of the .interp section to the interpreter. */
4275 if (info->executable)
4276 {
4277 s = bfd_get_section_by_name (dynobj, ".interp");
4278 BFD_ASSERT (s != NULL);
4279 s->size = sizeof ELF_DYNAMIC_INTERPRETER;
4280 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
4281 }
4282 }
4283
4284 /* Set up .got offsets for local syms, and space for local dynamic
4285 relocs. */
4286 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
4287 {
4288 bfd_signed_vma *local_got;
4289 bfd_signed_vma *end_local_got;
4290 char *local_tls_type;
4291 bfd_size_type locsymcount;
4292 Elf_Internal_Shdr *symtab_hdr;
4293 asection *srel;
4294
4295 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour)
4296 continue;
4297
4298 for (s = ibfd->sections; s != NULL; s = s->next)
4299 {
4300 struct elf_sh_dyn_relocs *p;
4301
4302 for (p = ((struct elf_sh_dyn_relocs *)
4303 elf_section_data (s)->local_dynrel);
4304 p != NULL;
4305 p = p->next)
4306 {
4307 if (! bfd_is_abs_section (p->sec)
4308 && bfd_is_abs_section (p->sec->output_section))
4309 {
4310 /* Input section has been discarded, either because
4311 it is a copy of a linkonce section or due to
4312 linker script /DISCARD/, so we'll be discarding
4313 the relocs too. */
4314 }
4315 else if (p->count != 0)
4316 {
4317 srel = elf_section_data (p->sec)->sreloc;
4318 srel->size += p->count * sizeof (Elf32_External_Rela);
4319 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
4320 info->flags |= DF_TEXTREL;
4321 }
4322 }
4323 }
4324
4325 local_got = elf_local_got_refcounts (ibfd);
4326 if (!local_got)
4327 continue;
4328
4329 symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
4330 locsymcount = symtab_hdr->sh_info;
4331 #ifdef INCLUDE_SHMEDIA
4332 /* Count datalabel local GOT. */
4333 locsymcount *= 2;
4334 #endif
4335 end_local_got = local_got + locsymcount;
4336 local_tls_type = sh_elf_local_got_tls_type (ibfd);
4337 s = htab->sgot;
4338 srel = htab->srelgot;
4339 for (; local_got < end_local_got; ++local_got)
4340 {
4341 if (*local_got > 0)
4342 {
4343 *local_got = s->size;
4344 s->size += 4;
4345 if (*local_tls_type == GOT_TLS_GD)
4346 s->size += 4;
4347 if (info->shared)
4348 srel->size += sizeof (Elf32_External_Rela);
4349 }
4350 else
4351 *local_got = (bfd_vma) -1;
4352 ++local_tls_type;
4353 }
4354 }
4355
4356 if (htab->tls_ldm_got.refcount > 0)
4357 {
4358 /* Allocate 2 got entries and 1 dynamic reloc for R_SH_TLS_LD_32
4359 relocs. */
4360 htab->tls_ldm_got.offset = htab->sgot->size;
4361 htab->sgot->size += 8;
4362 htab->srelgot->size += sizeof (Elf32_External_Rela);
4363 }
4364 else
4365 htab->tls_ldm_got.offset = -1;
4366
4367 /* Allocate global sym .plt and .got entries, and space for global
4368 sym dynamic relocs. */
4369 elf_link_hash_traverse (&htab->root, allocate_dynrelocs, info);
4370
4371 /* We now have determined the sizes of the various dynamic sections.
4372 Allocate memory for them. */
4373 relocs = FALSE;
4374 for (s = dynobj->sections; s != NULL; s = s->next)
4375 {
4376 if ((s->flags & SEC_LINKER_CREATED) == 0)
4377 continue;
4378
4379 if (s == htab->splt
4380 || s == htab->sgot
4381 || s == htab->sgotplt
4382 || s == htab->sdynbss)
4383 {
4384 /* Strip this section if we don't need it; see the
4385 comment below. */
4386 }
4387 else if (strncmp (bfd_get_section_name (dynobj, s), ".rela", 5) == 0)
4388 {
4389 if (s->size != 0 && s != htab->srelplt)
4390 relocs = TRUE;
4391
4392 /* We use the reloc_count field as a counter if we need
4393 to copy relocs into the output file. */
4394 s->reloc_count = 0;
4395 }
4396 else
4397 {
4398 /* It's not one of our sections, so don't allocate space. */
4399 continue;
4400 }
4401
4402 if (s->size == 0)
4403 {
4404 /* If we don't need this section, strip it from the
4405 output file. This is mostly to handle .rela.bss and
4406 .rela.plt. We must create both sections in
4407 create_dynamic_sections, because they must be created
4408 before the linker maps input sections to output
4409 sections. The linker does that before
4410 adjust_dynamic_symbol is called, and it is that
4411 function which decides whether anything needs to go
4412 into these sections. */
4413
4414 s->flags |= SEC_EXCLUDE;
4415 continue;
4416 }
4417
4418 if ((s->flags & SEC_HAS_CONTENTS) == 0)
4419 continue;
4420
4421 /* Allocate memory for the section contents. We use bfd_zalloc
4422 here in case unused entries are not reclaimed before the
4423 section's contents are written out. This should not happen,
4424 but this way if it does, we get a R_SH_NONE reloc instead
4425 of garbage. */
4426 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
4427 if (s->contents == NULL)
4428 return FALSE;
4429 }
4430
4431 if (htab->root.dynamic_sections_created)
4432 {
4433 /* Add some entries to the .dynamic section. We fill in the
4434 values later, in sh_elf_finish_dynamic_sections, but we
4435 must add the entries now so that we get the correct size for
4436 the .dynamic section. The DT_DEBUG entry is filled in by the
4437 dynamic linker and used by the debugger. */
4438 #define add_dynamic_entry(TAG, VAL) \
4439 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
4440
4441 if (info->executable)
4442 {
4443 if (! add_dynamic_entry (DT_DEBUG, 0))
4444 return FALSE;
4445 }
4446
4447 if (htab->splt->size != 0)
4448 {
4449 if (! add_dynamic_entry (DT_PLTGOT, 0)
4450 || ! add_dynamic_entry (DT_PLTRELSZ, 0)
4451 || ! add_dynamic_entry (DT_PLTREL, DT_RELA)
4452 || ! add_dynamic_entry (DT_JMPREL, 0))
4453 return FALSE;
4454 }
4455
4456 if (relocs)
4457 {
4458 if (! add_dynamic_entry (DT_RELA, 0)
4459 || ! add_dynamic_entry (DT_RELASZ, 0)
4460 || ! add_dynamic_entry (DT_RELAENT,
4461 sizeof (Elf32_External_Rela)))
4462 return FALSE;
4463
4464 /* If any dynamic relocs apply to a read-only section,
4465 then we need a DT_TEXTREL entry. */
4466 if ((info->flags & DF_TEXTREL) == 0)
4467 elf_link_hash_traverse (&htab->root, readonly_dynrelocs, info);
4468
4469 if ((info->flags & DF_TEXTREL) != 0)
4470 {
4471 if (! add_dynamic_entry (DT_TEXTREL, 0))
4472 return FALSE;
4473 }
4474 }
4475 }
4476 #undef add_dynamic_entry
4477
4478 return TRUE;
4479 }
4480 \f
4481 /* Relocate an SH ELF section. */
4482
4483 static bfd_boolean
4484 sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
4485 bfd *input_bfd, asection *input_section,
4486 bfd_byte *contents, Elf_Internal_Rela *relocs,
4487 Elf_Internal_Sym *local_syms,
4488 asection **local_sections)
4489 {
4490 struct elf_sh_link_hash_table *htab;
4491 Elf_Internal_Shdr *symtab_hdr;
4492 struct elf_link_hash_entry **sym_hashes;
4493 Elf_Internal_Rela *rel, *relend;
4494 bfd *dynobj;
4495 bfd_vma *local_got_offsets;
4496 asection *sgot;
4497 asection *sgotplt;
4498 asection *splt;
4499 asection *sreloc;
4500 asection *srelgot;
4501
4502 htab = sh_elf_hash_table (info);
4503 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
4504 sym_hashes = elf_sym_hashes (input_bfd);
4505 dynobj = htab->root.dynobj;
4506 local_got_offsets = elf_local_got_offsets (input_bfd);
4507
4508 sgot = htab->sgot;
4509 sgotplt = htab->sgotplt;
4510 splt = htab->splt;
4511 sreloc = NULL;
4512 srelgot = NULL;
4513
4514 rel = relocs;
4515 relend = relocs + input_section->reloc_count;
4516 for (; rel < relend; rel++)
4517 {
4518 int r_type;
4519 reloc_howto_type *howto;
4520 unsigned long r_symndx;
4521 Elf_Internal_Sym *sym;
4522 asection *sec;
4523 struct elf_link_hash_entry *h;
4524 bfd_vma relocation;
4525 bfd_vma addend = (bfd_vma) 0;
4526 bfd_reloc_status_type r;
4527 int seen_stt_datalabel = 0;
4528 bfd_vma off;
4529 int tls_type;
4530
4531 r_symndx = ELF32_R_SYM (rel->r_info);
4532
4533 r_type = ELF32_R_TYPE (rel->r_info);
4534
4535 /* Many of the relocs are only used for relaxing, and are
4536 handled entirely by the relaxation code. */
4537 if (r_type >= (int) R_SH_GNU_VTINHERIT
4538 && r_type <= (int) R_SH_LABEL)
4539 continue;
4540 if (r_type == (int) R_SH_NONE)
4541 continue;
4542
4543 if (r_type < 0
4544 || r_type >= R_SH_max
4545 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC
4546 && r_type <= (int) R_SH_LAST_INVALID_RELOC)
4547 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_3
4548 && r_type <= (int) R_SH_LAST_INVALID_RELOC_3)
4549 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_4
4550 && r_type <= (int) R_SH_LAST_INVALID_RELOC_4)
4551 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_5
4552 && r_type <= (int) R_SH_LAST_INVALID_RELOC_5)
4553 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC_2
4554 && r_type <= (int) R_SH_LAST_INVALID_RELOC_2))
4555 {
4556 bfd_set_error (bfd_error_bad_value);
4557 return FALSE;
4558 }
4559
4560 howto = sh_elf_howto_table + r_type;
4561
4562 /* For relocs that aren't partial_inplace, we get the addend from
4563 the relocation. */
4564 if (! howto->partial_inplace)
4565 addend = rel->r_addend;
4566
4567 h = NULL;
4568 sym = NULL;
4569 sec = NULL;
4570 if (r_symndx < symtab_hdr->sh_info)
4571 {
4572 sym = local_syms + r_symndx;
4573 sec = local_sections[r_symndx];
4574 relocation = (sec->output_section->vma
4575 + sec->output_offset
4576 + sym->st_value);
4577 /* A local symbol never has STO_SH5_ISA32, so we don't need
4578 datalabel processing here. Make sure this does not change
4579 without notice. */
4580 if ((sym->st_other & STO_SH5_ISA32) != 0)
4581 ((*info->callbacks->reloc_dangerous)
4582 (info,
4583 _("Unexpected STO_SH5_ISA32 on local symbol is not handled"),
4584 input_bfd, input_section, rel->r_offset));
4585 if (info->relocatable)
4586 {
4587 /* This is a relocatable link. We don't have to change
4588 anything, unless the reloc is against a section symbol,
4589 in which case we have to adjust according to where the
4590 section symbol winds up in the output section. */
4591 sym = local_syms + r_symndx;
4592 if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
4593 {
4594 if (! howto->partial_inplace)
4595 {
4596 /* For relocations with the addend in the
4597 relocation, we need just to update the addend.
4598 All real relocs are of type partial_inplace; this
4599 code is mostly for completeness. */
4600 rel->r_addend += sec->output_offset + sym->st_value;
4601
4602 continue;
4603 }
4604
4605 /* Relocs of type partial_inplace need to pick up the
4606 contents in the contents and add the offset resulting
4607 from the changed location of the section symbol.
4608 Using _bfd_final_link_relocate (e.g. goto
4609 final_link_relocate) here would be wrong, because
4610 relocations marked pc_relative would get the current
4611 location subtracted, and we must only do that at the
4612 final link. */
4613 r = _bfd_relocate_contents (howto, input_bfd,
4614 sec->output_offset
4615 + sym->st_value,
4616 contents + rel->r_offset);
4617 goto relocation_done;
4618 }
4619
4620 continue;
4621 }
4622 else if (! howto->partial_inplace)
4623 {
4624 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
4625 addend = rel->r_addend;
4626 }
4627 else if ((sec->flags & SEC_MERGE)
4628 && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
4629 {
4630 asection *msec;
4631
4632 if (howto->rightshift || howto->src_mask != 0xffffffff)
4633 {
4634 (*_bfd_error_handler)
4635 (_("%B(%A+0x%lx): %s relocation against SEC_MERGE section"),
4636 input_bfd, input_section,
4637 (long) rel->r_offset, howto->name);
4638 return FALSE;
4639 }
4640
4641 addend = bfd_get_32 (input_bfd, contents + rel->r_offset);
4642 msec = sec;
4643 addend =
4644 _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend)
4645 - relocation;
4646 addend += msec->output_section->vma + msec->output_offset;
4647 bfd_put_32 (input_bfd, addend, contents + rel->r_offset);
4648 addend = 0;
4649 }
4650 }
4651 else
4652 {
4653 /* FIXME: Ought to make use of the RELOC_FOR_GLOBAL_SYMBOL macro. */
4654
4655 /* Section symbol are never (?) placed in the hash table, so
4656 we can just ignore hash relocations when creating a
4657 relocatable object file. */
4658 if (info->relocatable)
4659 continue;
4660
4661 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
4662 while (h->root.type == bfd_link_hash_indirect
4663 || h->root.type == bfd_link_hash_warning)
4664 {
4665 #ifdef INCLUDE_SHMEDIA
4666 /* If the reference passes a symbol marked with
4667 STT_DATALABEL, then any STO_SH5_ISA32 on the final value
4668 doesn't count. */
4669 seen_stt_datalabel |= h->type == STT_DATALABEL;
4670 #endif
4671 h = (struct elf_link_hash_entry *) h->root.u.i.link;
4672 }
4673 if (h->root.type == bfd_link_hash_defined
4674 || h->root.type == bfd_link_hash_defweak)
4675 {
4676 bfd_boolean dyn;
4677
4678 dyn = htab->root.dynamic_sections_created;
4679 sec = h->root.u.def.section;
4680 /* In these cases, we don't need the relocation value.
4681 We check specially because in some obscure cases
4682 sec->output_section will be NULL. */
4683 if (r_type == R_SH_GOTPC
4684 || r_type == R_SH_GOTPC_LOW16
4685 || r_type == R_SH_GOTPC_MEDLOW16
4686 || r_type == R_SH_GOTPC_MEDHI16
4687 || r_type == R_SH_GOTPC_HI16
4688 || ((r_type == R_SH_PLT32
4689 || r_type == R_SH_PLT_LOW16
4690 || r_type == R_SH_PLT_MEDLOW16
4691 || r_type == R_SH_PLT_MEDHI16
4692 || r_type == R_SH_PLT_HI16)
4693 && h->plt.offset != (bfd_vma) -1)
4694 || ((r_type == R_SH_GOT32
4695 || r_type == R_SH_GOT_LOW16
4696 || r_type == R_SH_GOT_MEDLOW16
4697 || r_type == R_SH_GOT_MEDHI16
4698 || r_type == R_SH_GOT_HI16)
4699 && WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
4700 && (! info->shared
4701 || (! info->symbolic && h->dynindx != -1)
4702 || !h->def_regular))
4703 /* The cases above are those in which relocation is
4704 overwritten in the switch block below. The cases
4705 below are those in which we must defer relocation
4706 to run-time, because we can't resolve absolute
4707 addresses when creating a shared library. */
4708 || (info->shared
4709 && ((! info->symbolic && h->dynindx != -1)
4710 || !h->def_regular)
4711 && ((r_type == R_SH_DIR32
4712 && !h->forced_local)
4713 || (r_type == R_SH_REL32
4714 && !SYMBOL_CALLS_LOCAL (info, h)))
4715 && ((input_section->flags & SEC_ALLOC) != 0
4716 /* DWARF will emit R_SH_DIR32 relocations in its
4717 sections against symbols defined externally
4718 in shared libraries. We can't do anything
4719 with them here. */
4720 || ((input_section->flags & SEC_DEBUGGING) != 0
4721 && h->def_dynamic)))
4722 /* Dynamic relocs are not propagated for SEC_DEBUGGING
4723 sections because such sections are not SEC_ALLOC and
4724 thus ld.so will not process them. */
4725 || (sec->output_section == NULL
4726 && ((input_section->flags & SEC_DEBUGGING) != 0
4727 && h->def_dynamic))
4728 || (sec->output_section == NULL
4729 && (sh_elf_hash_entry (h)->tls_type == GOT_TLS_IE
4730 || sh_elf_hash_entry (h)->tls_type == GOT_TLS_GD)))
4731 relocation = 0;
4732 else if (sec->output_section == NULL)
4733 {
4734 (*_bfd_error_handler)
4735 (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
4736 input_bfd,
4737 input_section,
4738 (long) rel->r_offset,
4739 howto->name,
4740 h->root.root.string);
4741 return FALSE;
4742 }
4743 else
4744 relocation = ((h->root.u.def.value
4745 + sec->output_section->vma
4746 + sec->output_offset)
4747 /* A STO_SH5_ISA32 causes a "bitor 1" to the
4748 symbol value, unless we've seen
4749 STT_DATALABEL on the way to it. */
4750 | ((h->other & STO_SH5_ISA32) != 0
4751 && ! seen_stt_datalabel));
4752 }
4753 else if (h->root.type == bfd_link_hash_undefweak)
4754 relocation = 0;
4755 else if (info->unresolved_syms_in_objects == RM_IGNORE
4756 && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
4757 relocation = 0;
4758 else
4759 {
4760 if (! info->callbacks->undefined_symbol
4761 (info, h->root.root.string, input_bfd,
4762 input_section, rel->r_offset,
4763 (info->unresolved_syms_in_objects == RM_GENERATE_ERROR
4764 || ELF_ST_VISIBILITY (h->other))))
4765 return FALSE;
4766 relocation = 0;
4767 }
4768 }
4769
4770 switch ((int) r_type)
4771 {
4772 final_link_relocate:
4773 /* COFF relocs don't use the addend. The addend is used for
4774 R_SH_DIR32 to be compatible with other compilers. */
4775 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
4776 contents, rel->r_offset,
4777 relocation, addend);
4778 break;
4779
4780 case R_SH_IND12W:
4781 goto final_link_relocate;
4782
4783 case R_SH_DIR8WPN:
4784 case R_SH_DIR8WPZ:
4785 case R_SH_DIR8WPL:
4786 /* If the reloc is against the start of this section, then
4787 the assembler has already taken care of it and the reloc
4788 is here only to assist in relaxing. If the reloc is not
4789 against the start of this section, then it's against an
4790 external symbol and we must deal with it ourselves. */
4791 if (input_section->output_section->vma + input_section->output_offset
4792 != relocation)
4793 {
4794 int disp = (relocation
4795 - input_section->output_section->vma
4796 - input_section->output_offset
4797 - rel->r_offset);
4798 int mask = 0;
4799 switch (r_type)
4800 {
4801 case R_SH_DIR8WPN:
4802 case R_SH_DIR8WPZ: mask = 1; break;
4803 case R_SH_DIR8WPL: mask = 3; break;
4804 default: mask = 0; break;
4805 }
4806 if (disp & mask)
4807 {
4808 ((*_bfd_error_handler)
4809 (_("%B: 0x%lx: fatal: unaligned branch target for relax-support relocation"),
4810 input_section->owner,
4811 (unsigned long) rel->r_offset));
4812 bfd_set_error (bfd_error_bad_value);
4813 return FALSE;
4814 }
4815 relocation -= 4;
4816 goto final_link_relocate;
4817 }
4818 r = bfd_reloc_ok;
4819 break;
4820
4821 default:
4822 #ifdef INCLUDE_SHMEDIA
4823 if (shmedia_prepare_reloc (info, input_bfd, input_section,
4824 contents, rel, &relocation))
4825 goto final_link_relocate;
4826 #endif
4827 bfd_set_error (bfd_error_bad_value);
4828 return FALSE;
4829
4830 case R_SH_DIR16:
4831 case R_SH_DIR8:
4832 case R_SH_DIR8U:
4833 case R_SH_DIR8S:
4834 case R_SH_DIR4U:
4835 goto final_link_relocate;
4836
4837 case R_SH_DIR8UL:
4838 case R_SH_DIR4UL:
4839 if (relocation & 3)
4840 {
4841 ((*_bfd_error_handler)
4842 (_("%B: 0x%lx: fatal: unaligned %s relocation 0x%lx"),
4843 input_section->owner,
4844 (unsigned long) rel->r_offset, howto->name,
4845 (unsigned long) relocation));
4846 bfd_set_error (bfd_error_bad_value);
4847 return FALSE;
4848 }
4849 goto final_link_relocate;
4850
4851 case R_SH_DIR8UW:
4852 case R_SH_DIR8SW:
4853 case R_SH_DIR4UW:
4854 if (relocation & 1)
4855 {
4856 ((*_bfd_error_handler)
4857 (_("%B: 0x%lx: fatal: unaligned %s relocation 0x%lx"),
4858 input_section->owner,
4859 (unsigned long) rel->r_offset, howto->name,
4860 (unsigned long) relocation));
4861 bfd_set_error (bfd_error_bad_value);
4862 return FALSE;
4863 }
4864 goto final_link_relocate;
4865
4866 case R_SH_PSHA:
4867 if ((signed int)relocation < -32
4868 || (signed int)relocation > 32)
4869 {
4870 ((*_bfd_error_handler)
4871 (_("%B: 0x%lx: fatal: R_SH_PSHA relocation %d not in range -32..32"),
4872 input_section->owner,
4873 (unsigned long) rel->r_offset,
4874 (unsigned long) relocation));
4875 bfd_set_error (bfd_error_bad_value);
4876 return FALSE;
4877 }
4878 goto final_link_relocate;
4879
4880 case R_SH_PSHL:
4881 if ((signed int)relocation < -16
4882 || (signed int)relocation > 16)
4883 {
4884 ((*_bfd_error_handler)
4885 (_("%B: 0x%lx: fatal: R_SH_PSHL relocation %d not in range -32..32"),
4886 input_section->owner,
4887 (unsigned long) rel->r_offset,
4888 (unsigned long) relocation));
4889 bfd_set_error (bfd_error_bad_value);
4890 return FALSE;
4891 }
4892 goto final_link_relocate;
4893
4894 case R_SH_DIR32:
4895 case R_SH_REL32:
4896 #ifdef INCLUDE_SHMEDIA
4897 case R_SH_IMM_LOW16_PCREL:
4898 case R_SH_IMM_MEDLOW16_PCREL:
4899 case R_SH_IMM_MEDHI16_PCREL:
4900 case R_SH_IMM_HI16_PCREL:
4901 #endif
4902 if (info->shared
4903 && (h == NULL
4904 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
4905 || h->root.type != bfd_link_hash_undefweak)
4906 && r_symndx != 0
4907 && (input_section->flags & SEC_ALLOC) != 0
4908 && (r_type == R_SH_DIR32
4909 || !SYMBOL_CALLS_LOCAL (info, h)))
4910 {
4911 Elf_Internal_Rela outrel;
4912 bfd_byte *loc;
4913 bfd_boolean skip, relocate;
4914
4915 /* When generating a shared object, these relocations
4916 are copied into the output file to be resolved at run
4917 time. */
4918
4919 if (sreloc == NULL)
4920 {
4921 const char *name;
4922
4923 name = (bfd_elf_string_from_elf_section
4924 (input_bfd,
4925 elf_elfheader (input_bfd)->e_shstrndx,
4926 elf_section_data (input_section)->rel_hdr.sh_name));
4927 if (name == NULL)
4928 return FALSE;
4929
4930 BFD_ASSERT (strncmp (name, ".rela", 5) == 0
4931 && strcmp (bfd_get_section_name (input_bfd,
4932 input_section),
4933 name + 5) == 0);
4934
4935 sreloc = bfd_get_section_by_name (dynobj, name);
4936 BFD_ASSERT (sreloc != NULL);
4937 }
4938
4939 skip = FALSE;
4940 relocate = FALSE;
4941
4942 outrel.r_offset =
4943 _bfd_elf_section_offset (output_bfd, info, input_section,
4944 rel->r_offset);
4945 if (outrel.r_offset == (bfd_vma) -1)
4946 skip = TRUE;
4947 else if (outrel.r_offset == (bfd_vma) -2)
4948 skip = TRUE, relocate = TRUE;
4949 outrel.r_offset += (input_section->output_section->vma
4950 + input_section->output_offset);
4951
4952 if (skip)
4953 memset (&outrel, 0, sizeof outrel);
4954 else if (r_type == R_SH_REL32)
4955 {
4956 BFD_ASSERT (h != NULL && h->dynindx != -1);
4957 outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_REL32);
4958 outrel.r_addend
4959 = bfd_get_32 (input_bfd, contents + rel->r_offset);
4960 }
4961 #ifdef INCLUDE_SHMEDIA
4962 else if (r_type == R_SH_IMM_LOW16_PCREL
4963 || r_type == R_SH_IMM_MEDLOW16_PCREL
4964 || r_type == R_SH_IMM_MEDHI16_PCREL
4965 || r_type == R_SH_IMM_HI16_PCREL)
4966 {
4967 BFD_ASSERT (h != NULL && h->dynindx != -1);
4968 outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
4969 outrel.r_addend = addend;
4970 }
4971 #endif
4972 else
4973 {
4974 /* h->dynindx may be -1 if this symbol was marked to
4975 become local. */
4976 if (h == NULL
4977 || ((info->symbolic || h->dynindx == -1)
4978 && h->def_regular))
4979 {
4980 relocate = TRUE;
4981 outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
4982 outrel.r_addend
4983 = relocation + bfd_get_32 (input_bfd,
4984 contents + rel->r_offset);
4985 }
4986 else
4987 {
4988 BFD_ASSERT (h->dynindx != -1);
4989 outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_DIR32);
4990 outrel.r_addend
4991 = relocation + bfd_get_32 (input_bfd,
4992 contents + rel->r_offset);
4993 }
4994 }
4995
4996 loc = sreloc->contents;
4997 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
4998 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
4999
5000 /* If this reloc is against an external symbol, we do
5001 not want to fiddle with the addend. Otherwise, we
5002 need to include the symbol value so that it becomes
5003 an addend for the dynamic reloc. */
5004 if (! relocate)
5005 continue;
5006 }
5007 goto final_link_relocate;
5008
5009 case R_SH_GOTPLT32:
5010 #ifdef INCLUDE_SHMEDIA
5011 case R_SH_GOTPLT_LOW16:
5012 case R_SH_GOTPLT_MEDLOW16:
5013 case R_SH_GOTPLT_MEDHI16:
5014 case R_SH_GOTPLT_HI16:
5015 case R_SH_GOTPLT10BY4:
5016 case R_SH_GOTPLT10BY8:
5017 #endif
5018 /* Relocation is to the entry for this symbol in the
5019 procedure linkage table. */
5020
5021 if (h == NULL
5022 || h->forced_local
5023 || ! info->shared
5024 || info->symbolic
5025 || h->dynindx == -1
5026 || h->plt.offset == (bfd_vma) -1
5027 || h->got.offset != (bfd_vma) -1)
5028 goto force_got;
5029
5030 /* Relocation is to the entry for this symbol in the global
5031 offset table extension for the procedure linkage table. */
5032
5033 BFD_ASSERT (sgotplt != NULL);
5034 relocation = (sgotplt->output_offset
5035 + ((h->plt.offset / elf_sh_sizeof_plt (info)
5036 - 1 + 3) * 4));
5037
5038 #ifdef GOT_BIAS
5039 relocation -= GOT_BIAS;
5040 #endif
5041
5042 goto final_link_relocate;
5043
5044 force_got:
5045 case R_SH_GOT32:
5046 #ifdef INCLUDE_SHMEDIA
5047 case R_SH_GOT_LOW16:
5048 case R_SH_GOT_MEDLOW16:
5049 case R_SH_GOT_MEDHI16:
5050 case R_SH_GOT_HI16:
5051 case R_SH_GOT10BY4:
5052 case R_SH_GOT10BY8:
5053 #endif
5054 /* Relocation is to the entry for this symbol in the global
5055 offset table. */
5056
5057 BFD_ASSERT (sgot != NULL);
5058
5059 if (h != NULL)
5060 {
5061 bfd_boolean dyn;
5062
5063 off = h->got.offset;
5064 #ifdef INCLUDE_SHMEDIA
5065 if (seen_stt_datalabel)
5066 {
5067 struct elf_sh_link_hash_entry *hsh;
5068
5069 hsh = (struct elf_sh_link_hash_entry *)h;
5070 off = hsh->datalabel_got.offset;
5071 }
5072 #endif
5073 BFD_ASSERT (off != (bfd_vma) -1);
5074
5075 dyn = htab->root.dynamic_sections_created;
5076 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
5077 || (info->shared
5078 && SYMBOL_REFERENCES_LOCAL (info, h))
5079 || (ELF_ST_VISIBILITY (h->other)
5080 && h->root.type == bfd_link_hash_undefweak))
5081 {
5082 /* This is actually a static link, or it is a
5083 -Bsymbolic link and the symbol is defined
5084 locally, or the symbol was forced to be local
5085 because of a version file. We must initialize
5086 this entry in the global offset table. Since the
5087 offset must always be a multiple of 4, we use the
5088 least significant bit to record whether we have
5089 initialized it already.
5090
5091 When doing a dynamic link, we create a .rela.got
5092 relocation entry to initialize the value. This
5093 is done in the finish_dynamic_symbol routine. */
5094 if ((off & 1) != 0)
5095 off &= ~1;
5096 else
5097 {
5098 bfd_put_32 (output_bfd, relocation,
5099 sgot->contents + off);
5100 #ifdef INCLUDE_SHMEDIA
5101 if (seen_stt_datalabel)
5102 {
5103 struct elf_sh_link_hash_entry *hsh;
5104
5105 hsh = (struct elf_sh_link_hash_entry *)h;
5106 hsh->datalabel_got.offset |= 1;
5107 }
5108 else
5109 #endif
5110 h->got.offset |= 1;
5111 }
5112 }
5113
5114 relocation = sgot->output_offset + off;
5115 }
5116 else
5117 {
5118 #ifdef INCLUDE_SHMEDIA
5119 if (rel->r_addend)
5120 {
5121 BFD_ASSERT (local_got_offsets != NULL
5122 && (local_got_offsets[symtab_hdr->sh_info
5123 + r_symndx]
5124 != (bfd_vma) -1));
5125
5126 off = local_got_offsets[symtab_hdr->sh_info
5127 + r_symndx];
5128 }
5129 else
5130 {
5131 #endif
5132 BFD_ASSERT (local_got_offsets != NULL
5133 && local_got_offsets[r_symndx] != (bfd_vma) -1);
5134
5135 off = local_got_offsets[r_symndx];
5136 #ifdef INCLUDE_SHMEDIA
5137 }
5138 #endif
5139
5140 /* The offset must always be a multiple of 4. We use
5141 the least significant bit to record whether we have
5142 already generated the necessary reloc. */
5143 if ((off & 1) != 0)
5144 off &= ~1;
5145 else
5146 {
5147 bfd_put_32 (output_bfd, relocation, sgot->contents + off);
5148
5149 if (info->shared)
5150 {
5151 Elf_Internal_Rela outrel;
5152 bfd_byte *loc;
5153
5154 if (srelgot == NULL)
5155 {
5156 srelgot = bfd_get_section_by_name (dynobj,
5157 ".rela.got");
5158 BFD_ASSERT (srelgot != NULL);
5159 }
5160
5161 outrel.r_offset = (sgot->output_section->vma
5162 + sgot->output_offset
5163 + off);
5164 outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
5165 outrel.r_addend = relocation;
5166 loc = srelgot->contents;
5167 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
5168 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5169 }
5170
5171 #ifdef INCLUDE_SHMEDIA
5172 if (rel->r_addend)
5173 local_got_offsets[symtab_hdr->sh_info + r_symndx] |= 1;
5174 else
5175 #endif
5176 local_got_offsets[r_symndx] |= 1;
5177 }
5178
5179 relocation = sgot->output_offset + off;
5180 }
5181
5182 #ifdef GOT_BIAS
5183 relocation -= GOT_BIAS;
5184 #endif
5185
5186 goto final_link_relocate;
5187
5188 case R_SH_GOTOFF:
5189 #ifdef INCLUDE_SHMEDIA
5190 case R_SH_GOTOFF_LOW16:
5191 case R_SH_GOTOFF_MEDLOW16:
5192 case R_SH_GOTOFF_MEDHI16:
5193 case R_SH_GOTOFF_HI16:
5194 #endif
5195 /* Relocation is relative to the start of the global offset
5196 table. */
5197
5198 BFD_ASSERT (sgot != NULL);
5199
5200 /* Note that sgot->output_offset is not involved in this
5201 calculation. We always want the start of .got. If we
5202 defined _GLOBAL_OFFSET_TABLE in a different way, as is
5203 permitted by the ABI, we might have to change this
5204 calculation. */
5205 relocation -= sgot->output_section->vma;
5206
5207 #ifdef GOT_BIAS
5208 relocation -= GOT_BIAS;
5209 #endif
5210
5211 addend = rel->r_addend;
5212
5213 goto final_link_relocate;
5214
5215 case R_SH_GOTPC:
5216 #ifdef INCLUDE_SHMEDIA
5217 case R_SH_GOTPC_LOW16:
5218 case R_SH_GOTPC_MEDLOW16:
5219 case R_SH_GOTPC_MEDHI16:
5220 case R_SH_GOTPC_HI16:
5221 #endif
5222 /* Use global offset table as symbol value. */
5223
5224 BFD_ASSERT (sgot != NULL);
5225 relocation = sgot->output_section->vma;
5226
5227 #ifdef GOT_BIAS
5228 relocation += GOT_BIAS;
5229 #endif
5230
5231 addend = rel->r_addend;
5232
5233 goto final_link_relocate;
5234
5235 case R_SH_PLT32:
5236 #ifdef INCLUDE_SHMEDIA
5237 case R_SH_PLT_LOW16:
5238 case R_SH_PLT_MEDLOW16:
5239 case R_SH_PLT_MEDHI16:
5240 case R_SH_PLT_HI16:
5241 #endif
5242 /* Relocation is to the entry for this symbol in the
5243 procedure linkage table. */
5244
5245 /* Resolve a PLT reloc against a local symbol directly,
5246 without using the procedure linkage table. */
5247 if (h == NULL)
5248 goto final_link_relocate;
5249
5250 if (h->forced_local)
5251 goto final_link_relocate;
5252
5253 if (h->plt.offset == (bfd_vma) -1)
5254 {
5255 /* We didn't make a PLT entry for this symbol. This
5256 happens when statically linking PIC code, or when
5257 using -Bsymbolic. */
5258 goto final_link_relocate;
5259 }
5260
5261 BFD_ASSERT (splt != NULL);
5262 relocation = (splt->output_section->vma
5263 + splt->output_offset
5264 + h->plt.offset);
5265
5266 #ifdef INCLUDE_SHMEDIA
5267 relocation++;
5268 #endif
5269
5270 addend = rel->r_addend;
5271
5272 goto final_link_relocate;
5273
5274 case R_SH_LOOP_START:
5275 {
5276 static bfd_vma start, end;
5277
5278 start = (relocation + rel->r_addend
5279 - (sec->output_section->vma + sec->output_offset));
5280 r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
5281 rel->r_offset, sec, start, end);
5282 break;
5283
5284 case R_SH_LOOP_END:
5285 end = (relocation + rel->r_addend
5286 - (sec->output_section->vma + sec->output_offset));
5287 r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
5288 rel->r_offset, sec, start, end);
5289 break;
5290 }
5291
5292 case R_SH_TLS_GD_32:
5293 case R_SH_TLS_IE_32:
5294 r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
5295 tls_type = GOT_UNKNOWN;
5296 if (h == NULL && local_got_offsets)
5297 tls_type = sh_elf_local_got_tls_type (input_bfd) [r_symndx];
5298 else if (h != NULL)
5299 {
5300 tls_type = sh_elf_hash_entry (h)->tls_type;
5301 if (! info->shared
5302 && (h->dynindx == -1
5303 || h->def_regular))
5304 r_type = R_SH_TLS_LE_32;
5305 }
5306
5307 if (r_type == R_SH_TLS_GD_32 && tls_type == GOT_TLS_IE)
5308 r_type = R_SH_TLS_IE_32;
5309
5310 if (r_type == R_SH_TLS_LE_32)
5311 {
5312 bfd_vma offset;
5313 unsigned short insn;
5314
5315 if (ELF32_R_TYPE (rel->r_info) == R_SH_TLS_GD_32)
5316 {
5317 /* GD->LE transition:
5318 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
5319 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
5320 1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
5321 We change it into:
5322 mov.l 1f,r4; stc gbr,r0; add r4,r0; nop;
5323 nop; nop; ...
5324 1: .long x@TPOFF; 2: .long __tls_get_addr@PLT; 3:. */
5325
5326 offset = rel->r_offset;
5327 BFD_ASSERT (offset >= 16);
5328 /* Size of GD instructions is 16 or 18. */
5329 offset -= 16;
5330 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5331 if ((insn & 0xff00) == 0xc700)
5332 {
5333 BFD_ASSERT (offset >= 2);
5334 offset -= 2;
5335 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5336 }
5337
5338 BFD_ASSERT ((insn & 0xff00) == 0xd400);
5339 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5340 BFD_ASSERT ((insn & 0xff00) == 0xc700);
5341 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5342 BFD_ASSERT ((insn & 0xff00) == 0xd100);
5343 insn = bfd_get_16 (input_bfd, contents + offset + 6);
5344 BFD_ASSERT (insn == 0x310c);
5345 insn = bfd_get_16 (input_bfd, contents + offset + 8);
5346 BFD_ASSERT (insn == 0x410b);
5347 insn = bfd_get_16 (input_bfd, contents + offset + 10);
5348 BFD_ASSERT (insn == 0x34cc);
5349
5350 bfd_put_16 (output_bfd, 0x0012, contents + offset + 2);
5351 bfd_put_16 (output_bfd, 0x304c, contents + offset + 4);
5352 bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
5353 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
5354 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
5355 }
5356 else
5357 {
5358 int index;
5359
5360 /* IE->LE transition:
5361 mov.l 1f,r0; stc gbr,rN; mov.l @(r0,r12),rM;
5362 bra 2f; add ...; .align 2; 1: x@GOTTPOFF; 2:
5363 We change it into:
5364 mov.l .Ln,rM; stc gbr,rN; nop; ...;
5365 1: x@TPOFF; 2:. */
5366
5367 offset = rel->r_offset;
5368 BFD_ASSERT (offset >= 16);
5369 /* Size of IE instructions is 10 or 12. */
5370 offset -= 10;
5371 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5372 if ((insn & 0xf0ff) == 0x0012)
5373 {
5374 BFD_ASSERT (offset >= 2);
5375 offset -= 2;
5376 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5377 }
5378
5379 BFD_ASSERT ((insn & 0xff00) == 0xd000);
5380 index = insn & 0x00ff;
5381 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5382 BFD_ASSERT ((insn & 0xf0ff) == 0x0012);
5383 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5384 BFD_ASSERT ((insn & 0xf0ff) == 0x00ce);
5385 insn = 0xd000 | (insn & 0x0f00) | index;
5386 bfd_put_16 (output_bfd, insn, contents + offset + 0);
5387 bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
5388 }
5389
5390 bfd_put_32 (output_bfd, tpoff (info, relocation),
5391 contents + rel->r_offset);
5392 continue;
5393 }
5394
5395 sgot = htab->sgot;
5396 if (sgot == NULL)
5397 abort ();
5398
5399 if (h != NULL)
5400 off = h->got.offset;
5401 else
5402 {
5403 if (local_got_offsets == NULL)
5404 abort ();
5405
5406 off = local_got_offsets[r_symndx];
5407 }
5408
5409 /* Relocate R_SH_TLS_IE_32 directly when statically linking. */
5410 if (r_type == R_SH_TLS_IE_32
5411 && ! htab->root.dynamic_sections_created)
5412 {
5413 off &= ~1;
5414 bfd_put_32 (output_bfd, tpoff (info, relocation),
5415 sgot->contents + off);
5416 bfd_put_32 (output_bfd, sgot->output_offset + off,
5417 contents + rel->r_offset);
5418 continue;
5419 }
5420
5421 if ((off & 1) != 0)
5422 off &= ~1;
5423 else
5424 {
5425 Elf_Internal_Rela outrel;
5426 bfd_byte *loc;
5427 int dr_type, indx;
5428
5429 if (srelgot == NULL)
5430 {
5431 srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
5432 BFD_ASSERT (srelgot != NULL);
5433 }
5434
5435 outrel.r_offset = (sgot->output_section->vma
5436 + sgot->output_offset + off);
5437
5438 if (h == NULL || h->dynindx == -1)
5439 indx = 0;
5440 else
5441 indx = h->dynindx;
5442
5443 dr_type = (r_type == R_SH_TLS_GD_32 ? R_SH_TLS_DTPMOD32 :
5444 R_SH_TLS_TPOFF32);
5445 if (dr_type == R_SH_TLS_TPOFF32 && indx == 0)
5446 outrel.r_addend = relocation - dtpoff_base (info);
5447 else
5448 outrel.r_addend = 0;
5449 outrel.r_info = ELF32_R_INFO (indx, dr_type);
5450 loc = srelgot->contents;
5451 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
5452 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5453
5454 if (r_type == R_SH_TLS_GD_32)
5455 {
5456 if (indx == 0)
5457 {
5458 bfd_put_32 (output_bfd,
5459 relocation - dtpoff_base (info),
5460 sgot->contents + off + 4);
5461 }
5462 else
5463 {
5464 outrel.r_info = ELF32_R_INFO (indx,
5465 R_SH_TLS_DTPOFF32);
5466 outrel.r_offset += 4;
5467 outrel.r_addend = 0;
5468 srelgot->reloc_count++;
5469 loc += sizeof (Elf32_External_Rela);
5470 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5471 }
5472 }
5473
5474 if (h != NULL)
5475 h->got.offset |= 1;
5476 else
5477 local_got_offsets[r_symndx] |= 1;
5478 }
5479
5480 if (off >= (bfd_vma) -2)
5481 abort ();
5482
5483 if (r_type == (int) ELF32_R_TYPE (rel->r_info))
5484 relocation = sgot->output_offset + off;
5485 else
5486 {
5487 bfd_vma offset;
5488 unsigned short insn;
5489
5490 /* GD->IE transition:
5491 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
5492 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
5493 1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
5494 We change it into:
5495 mov.l 1f,r0; stc gbr,r4; mov.l @(r0,r12),r0; add r4,r0;
5496 nop; nop; bra 3f; nop; .align 2;
5497 1: .long x@TPOFF; 2:...; 3:. */
5498
5499 offset = rel->r_offset;
5500 BFD_ASSERT (offset >= 16);
5501 /* Size of GD instructions is 16 or 18. */
5502 offset -= 16;
5503 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5504 if ((insn & 0xff00) == 0xc700)
5505 {
5506 BFD_ASSERT (offset >= 2);
5507 offset -= 2;
5508 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5509 }
5510
5511 BFD_ASSERT ((insn & 0xff00) == 0xd400);
5512
5513 /* Replace mov.l 1f,R4 with mov.l 1f,r0. */
5514 bfd_put_16 (output_bfd, insn & 0xf0ff, contents + offset);
5515
5516 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5517 BFD_ASSERT ((insn & 0xff00) == 0xc700);
5518 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5519 BFD_ASSERT ((insn & 0xff00) == 0xd100);
5520 insn = bfd_get_16 (input_bfd, contents + offset + 6);
5521 BFD_ASSERT (insn == 0x310c);
5522 insn = bfd_get_16 (input_bfd, contents + offset + 8);
5523 BFD_ASSERT (insn == 0x410b);
5524 insn = bfd_get_16 (input_bfd, contents + offset + 10);
5525 BFD_ASSERT (insn == 0x34cc);
5526
5527 bfd_put_16 (output_bfd, 0x0412, contents + offset + 2);
5528 bfd_put_16 (output_bfd, 0x00ce, contents + offset + 4);
5529 bfd_put_16 (output_bfd, 0x304c, contents + offset + 6);
5530 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
5531 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
5532
5533 bfd_put_32 (output_bfd, sgot->output_offset + off,
5534 contents + rel->r_offset);
5535
5536 continue;
5537 }
5538
5539 addend = rel->r_addend;
5540
5541 goto final_link_relocate;
5542
5543 case R_SH_TLS_LD_32:
5544 if (! info->shared)
5545 {
5546 bfd_vma offset;
5547 unsigned short insn;
5548
5549 /* LD->LE transition:
5550 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
5551 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
5552 1: .long x$TLSLD; 2: .long __tls_get_addr@PLT; 3:
5553 We change it into:
5554 stc gbr,r0; nop; nop; nop;
5555 nop; nop; bra 3f; ...; 3:. */
5556
5557 offset = rel->r_offset;
5558 BFD_ASSERT (offset >= 16);
5559 /* Size of LD instructions is 16 or 18. */
5560 offset -= 16;
5561 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5562 if ((insn & 0xff00) == 0xc700)
5563 {
5564 BFD_ASSERT (offset >= 2);
5565 offset -= 2;
5566 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5567 }
5568
5569 BFD_ASSERT ((insn & 0xff00) == 0xd400);
5570 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5571 BFD_ASSERT ((insn & 0xff00) == 0xc700);
5572 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5573 BFD_ASSERT ((insn & 0xff00) == 0xd100);
5574 insn = bfd_get_16 (input_bfd, contents + offset + 6);
5575 BFD_ASSERT (insn == 0x310c);
5576 insn = bfd_get_16 (input_bfd, contents + offset + 8);
5577 BFD_ASSERT (insn == 0x410b);
5578 insn = bfd_get_16 (input_bfd, contents + offset + 10);
5579 BFD_ASSERT (insn == 0x34cc);
5580
5581 bfd_put_16 (output_bfd, 0x0012, contents + offset + 0);
5582 bfd_put_16 (output_bfd, 0x0009, contents + offset + 2);
5583 bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
5584 bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
5585 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
5586 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
5587
5588 continue;
5589 }
5590
5591 sgot = htab->sgot;
5592 if (sgot == NULL)
5593 abort ();
5594
5595 off = htab->tls_ldm_got.offset;
5596 if (off & 1)
5597 off &= ~1;
5598 else
5599 {
5600 Elf_Internal_Rela outrel;
5601 bfd_byte *loc;
5602
5603 srelgot = htab->srelgot;
5604 if (srelgot == NULL)
5605 abort ();
5606
5607 outrel.r_offset = (sgot->output_section->vma
5608 + sgot->output_offset + off);
5609 outrel.r_addend = 0;
5610 outrel.r_info = ELF32_R_INFO (0, R_SH_TLS_DTPMOD32);
5611 loc = srelgot->contents;
5612 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
5613 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5614 htab->tls_ldm_got.offset |= 1;
5615 }
5616
5617 relocation = sgot->output_offset + off;
5618 addend = rel->r_addend;
5619
5620 goto final_link_relocate;
5621
5622 case R_SH_TLS_LDO_32:
5623 if (! info->shared)
5624 relocation = tpoff (info, relocation);
5625 else
5626 relocation -= dtpoff_base (info);
5627
5628 addend = rel->r_addend;
5629 goto final_link_relocate;
5630
5631 case R_SH_TLS_LE_32:
5632 {
5633 int indx;
5634 Elf_Internal_Rela outrel;
5635 bfd_byte *loc;
5636
5637 if (! info->shared)
5638 {
5639 relocation = tpoff (info, relocation);
5640 addend = rel->r_addend;
5641 goto final_link_relocate;
5642 }
5643
5644 if (sreloc == NULL)
5645 {
5646 const char *name;
5647
5648 name = (bfd_elf_string_from_elf_section
5649 (input_bfd,
5650 elf_elfheader (input_bfd)->e_shstrndx,
5651 elf_section_data (input_section)->rel_hdr.sh_name));
5652 if (name == NULL)
5653 return FALSE;
5654
5655 BFD_ASSERT (strncmp (name, ".rela", 5) == 0
5656 && strcmp (bfd_get_section_name (input_bfd,
5657 input_section),
5658 name + 5) == 0);
5659
5660 sreloc = bfd_get_section_by_name (dynobj, name);
5661 BFD_ASSERT (sreloc != NULL);
5662 }
5663
5664 if (h == NULL || h->dynindx == -1)
5665 indx = 0;
5666 else
5667 indx = h->dynindx;
5668
5669 outrel.r_offset = (input_section->output_section->vma
5670 + input_section->output_offset
5671 + rel->r_offset);
5672 outrel.r_info = ELF32_R_INFO (indx, R_SH_TLS_TPOFF32);
5673 if (indx == 0)
5674 outrel.r_addend = relocation - dtpoff_base (info);
5675 else
5676 outrel.r_addend = 0;
5677
5678 loc = sreloc->contents;
5679 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
5680 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5681 continue;
5682 }
5683 }
5684
5685 relocation_done:
5686 if (r != bfd_reloc_ok)
5687 {
5688 switch (r)
5689 {
5690 default:
5691 case bfd_reloc_outofrange:
5692 abort ();
5693 case bfd_reloc_overflow:
5694 {
5695 const char *name;
5696
5697 if (h != NULL)
5698 name = NULL;
5699 else
5700 {
5701 name = (bfd_elf_string_from_elf_section
5702 (input_bfd, symtab_hdr->sh_link, sym->st_name));
5703 if (name == NULL)
5704 return FALSE;
5705 if (*name == '\0')
5706 name = bfd_section_name (input_bfd, sec);
5707 }
5708 if (! ((*info->callbacks->reloc_overflow)
5709 (info, (h ? &h->root : NULL), name, howto->name,
5710 (bfd_vma) 0, input_bfd, input_section,
5711 rel->r_offset)))
5712 return FALSE;
5713 }
5714 break;
5715 }
5716 }
5717 }
5718
5719 return TRUE;
5720 }
5721
5722 /* This is a version of bfd_generic_get_relocated_section_contents
5723 which uses sh_elf_relocate_section. */
5724
5725 static bfd_byte *
5726 sh_elf_get_relocated_section_contents (bfd *output_bfd,
5727 struct bfd_link_info *link_info,
5728 struct bfd_link_order *link_order,
5729 bfd_byte *data,
5730 bfd_boolean relocatable,
5731 asymbol **symbols)
5732 {
5733 Elf_Internal_Shdr *symtab_hdr;
5734 asection *input_section = link_order->u.indirect.section;
5735 bfd *input_bfd = input_section->owner;
5736 asection **sections = NULL;
5737 Elf_Internal_Rela *internal_relocs = NULL;
5738 Elf_Internal_Sym *isymbuf = NULL;
5739
5740 /* We only need to handle the case of relaxing, or of having a
5741 particular set of section contents, specially. */
5742 if (relocatable
5743 || elf_section_data (input_section)->this_hdr.contents == NULL)
5744 return bfd_generic_get_relocated_section_contents (output_bfd, link_info,
5745 link_order, data,
5746 relocatable,
5747 symbols);
5748
5749 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
5750
5751 memcpy (data, elf_section_data (input_section)->this_hdr.contents,
5752 (size_t) input_section->size);
5753
5754 if ((input_section->flags & SEC_RELOC) != 0
5755 && input_section->reloc_count > 0)
5756 {
5757 asection **secpp;
5758 Elf_Internal_Sym *isym, *isymend;
5759 bfd_size_type amt;
5760
5761 internal_relocs = (_bfd_elf_link_read_relocs
5762 (input_bfd, input_section, NULL,
5763 (Elf_Internal_Rela *) NULL, FALSE));
5764 if (internal_relocs == NULL)
5765 goto error_return;
5766
5767 if (symtab_hdr->sh_info != 0)
5768 {
5769 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
5770 if (isymbuf == NULL)
5771 isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
5772 symtab_hdr->sh_info, 0,
5773 NULL, NULL, NULL);
5774 if (isymbuf == NULL)
5775 goto error_return;
5776 }
5777
5778 amt = symtab_hdr->sh_info;
5779 amt *= sizeof (asection *);
5780 sections = (asection **) bfd_malloc (amt);
5781 if (sections == NULL && amt != 0)
5782 goto error_return;
5783
5784 isymend = isymbuf + symtab_hdr->sh_info;
5785 for (isym = isymbuf, secpp = sections; isym < isymend; ++isym, ++secpp)
5786 {
5787 asection *isec;
5788
5789 if (isym->st_shndx == SHN_UNDEF)
5790 isec = bfd_und_section_ptr;
5791 else if (isym->st_shndx == SHN_ABS)
5792 isec = bfd_abs_section_ptr;
5793 else if (isym->st_shndx == SHN_COMMON)
5794 isec = bfd_com_section_ptr;
5795 else
5796 isec = bfd_section_from_elf_index (input_bfd, isym->st_shndx);
5797
5798 *secpp = isec;
5799 }
5800
5801 if (! sh_elf_relocate_section (output_bfd, link_info, input_bfd,
5802 input_section, data, internal_relocs,
5803 isymbuf, sections))
5804 goto error_return;
5805
5806 if (sections != NULL)
5807 free (sections);
5808 if (isymbuf != NULL
5809 && symtab_hdr->contents != (unsigned char *) isymbuf)
5810 free (isymbuf);
5811 if (elf_section_data (input_section)->relocs != internal_relocs)
5812 free (internal_relocs);
5813 }
5814
5815 return data;
5816
5817 error_return:
5818 if (sections != NULL)
5819 free (sections);
5820 if (isymbuf != NULL
5821 && symtab_hdr->contents != (unsigned char *) isymbuf)
5822 free (isymbuf);
5823 if (internal_relocs != NULL
5824 && elf_section_data (input_section)->relocs != internal_relocs)
5825 free (internal_relocs);
5826 return NULL;
5827 }
5828
5829 /* Return the base VMA address which should be subtracted from real addresses
5830 when resolving @dtpoff relocation.
5831 This is PT_TLS segment p_vaddr. */
5832
5833 static bfd_vma
5834 dtpoff_base (struct bfd_link_info *info)
5835 {
5836 /* If tls_sec is NULL, we should have signalled an error already. */
5837 if (elf_hash_table (info)->tls_sec == NULL)
5838 return 0;
5839 return elf_hash_table (info)->tls_sec->vma;
5840 }
5841
5842 /* Return the relocation value for R_SH_TLS_TPOFF32.. */
5843
5844 static bfd_vma
5845 tpoff (struct bfd_link_info *info, bfd_vma address)
5846 {
5847 /* If tls_sec is NULL, we should have signalled an error already. */
5848 if (elf_hash_table (info)->tls_sec == NULL)
5849 return 0;
5850 /* SH TLS ABI is variant I and static TLS block start just after tcbhead
5851 structure which has 2 pointer fields. */
5852 return (address - elf_hash_table (info)->tls_sec->vma
5853 + align_power ((bfd_vma) 8,
5854 elf_hash_table (info)->tls_sec->alignment_power));
5855 }
5856
5857 static asection *
5858 sh_elf_gc_mark_hook (asection *sec,
5859 struct bfd_link_info *info ATTRIBUTE_UNUSED,
5860 Elf_Internal_Rela *rel, struct elf_link_hash_entry *h,
5861 Elf_Internal_Sym *sym)
5862 {
5863 if (h != NULL)
5864 {
5865 switch (ELF32_R_TYPE (rel->r_info))
5866 {
5867 case R_SH_GNU_VTINHERIT:
5868 case R_SH_GNU_VTENTRY:
5869 break;
5870
5871 default:
5872 #ifdef INCLUDE_SHMEDIA
5873 while (h->root.type == bfd_link_hash_indirect
5874 && h->root.u.i.link)
5875 h = (struct elf_link_hash_entry *) h->root.u.i.link;
5876 #endif
5877 switch (h->root.type)
5878 {
5879 case bfd_link_hash_defined:
5880 case bfd_link_hash_defweak:
5881 return h->root.u.def.section;
5882
5883 case bfd_link_hash_common:
5884 return h->root.u.c.p->section;
5885
5886 default:
5887 break;
5888 }
5889 }
5890 }
5891 else
5892 return bfd_section_from_elf_index (sec->owner, sym->st_shndx);
5893
5894 return NULL;
5895 }
5896
5897 /* Update the got entry reference counts for the section being removed. */
5898
5899 static bfd_boolean
5900 sh_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
5901 asection *sec, const Elf_Internal_Rela *relocs)
5902 {
5903 Elf_Internal_Shdr *symtab_hdr;
5904 struct elf_link_hash_entry **sym_hashes;
5905 bfd_signed_vma *local_got_refcounts;
5906 const Elf_Internal_Rela *rel, *relend;
5907
5908 elf_section_data (sec)->local_dynrel = NULL;
5909
5910 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
5911 sym_hashes = elf_sym_hashes (abfd);
5912 local_got_refcounts = elf_local_got_refcounts (abfd);
5913
5914 relend = relocs + sec->reloc_count;
5915 for (rel = relocs; rel < relend; rel++)
5916 {
5917 unsigned long r_symndx;
5918 unsigned int r_type;
5919 struct elf_link_hash_entry *h = NULL;
5920 #ifdef INCLUDE_SHMEDIA
5921 int seen_stt_datalabel = 0;
5922 #endif
5923
5924 r_symndx = ELF32_R_SYM (rel->r_info);
5925 if (r_symndx >= symtab_hdr->sh_info)
5926 {
5927 struct elf_sh_link_hash_entry *eh;
5928 struct elf_sh_dyn_relocs **pp;
5929 struct elf_sh_dyn_relocs *p;
5930
5931 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
5932 while (h->root.type == bfd_link_hash_indirect
5933 || h->root.type == bfd_link_hash_warning)
5934 {
5935 #ifdef INCLUDE_SHMEDIA
5936 seen_stt_datalabel |= h->type == STT_DATALABEL;
5937 #endif
5938 h = (struct elf_link_hash_entry *) h->root.u.i.link;
5939 }
5940 eh = (struct elf_sh_link_hash_entry *) h;
5941 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
5942 if (p->sec == sec)
5943 {
5944 /* Everything must go for SEC. */
5945 *pp = p->next;
5946 break;
5947 }
5948 }
5949
5950 r_type = ELF32_R_TYPE (rel->r_info);
5951 switch (sh_elf_optimized_tls_reloc (info, r_type, h != NULL))
5952 {
5953 case R_SH_TLS_LD_32:
5954 if (sh_elf_hash_table (info)->tls_ldm_got.refcount > 0)
5955 sh_elf_hash_table (info)->tls_ldm_got.refcount -= 1;
5956 break;
5957
5958 case R_SH_GOT32:
5959 case R_SH_GOTOFF:
5960 case R_SH_GOTPC:
5961 #ifdef INCLUDE_SHMEDIA
5962 case R_SH_GOT_LOW16:
5963 case R_SH_GOT_MEDLOW16:
5964 case R_SH_GOT_MEDHI16:
5965 case R_SH_GOT_HI16:
5966 case R_SH_GOT10BY4:
5967 case R_SH_GOT10BY8:
5968 case R_SH_GOTOFF_LOW16:
5969 case R_SH_GOTOFF_MEDLOW16:
5970 case R_SH_GOTOFF_MEDHI16:
5971 case R_SH_GOTOFF_HI16:
5972 case R_SH_GOTPC_LOW16:
5973 case R_SH_GOTPC_MEDLOW16:
5974 case R_SH_GOTPC_MEDHI16:
5975 case R_SH_GOTPC_HI16:
5976 #endif
5977 case R_SH_TLS_GD_32:
5978 case R_SH_TLS_IE_32:
5979 if (h != NULL)
5980 {
5981 #ifdef INCLUDE_SHMEDIA
5982 if (seen_stt_datalabel)
5983 {
5984 struct elf_sh_link_hash_entry *eh;
5985 eh = (struct elf_sh_link_hash_entry *) h;
5986 if (eh->datalabel_got.refcount > 0)
5987 eh->datalabel_got.refcount -= 1;
5988 }
5989 else
5990 #endif
5991 if (h->got.refcount > 0)
5992 h->got.refcount -= 1;
5993 }
5994 else if (local_got_refcounts != NULL)
5995 {
5996 #ifdef INCLUDE_SHMEDIA
5997 if (rel->r_addend & 1)
5998 {
5999 if (local_got_refcounts[symtab_hdr->sh_info + r_symndx] > 0)
6000 local_got_refcounts[symtab_hdr->sh_info + r_symndx] -= 1;
6001 }
6002 else
6003 #endif
6004 if (local_got_refcounts[r_symndx] > 0)
6005 local_got_refcounts[r_symndx] -= 1;
6006 }
6007 break;
6008
6009 case R_SH_DIR32:
6010 case R_SH_REL32:
6011 if (info->shared)
6012 break;
6013 /* Fall thru */
6014
6015 case R_SH_PLT32:
6016 #ifdef INCLUDE_SHMEDIA
6017 case R_SH_PLT_LOW16:
6018 case R_SH_PLT_MEDLOW16:
6019 case R_SH_PLT_MEDHI16:
6020 case R_SH_PLT_HI16:
6021 #endif
6022 if (h != NULL)
6023 {
6024 if (h->plt.refcount > 0)
6025 h->plt.refcount -= 1;
6026 }
6027 break;
6028
6029 case R_SH_GOTPLT32:
6030 #ifdef INCLUDE_SHMEDIA
6031 case R_SH_GOTPLT_LOW16:
6032 case R_SH_GOTPLT_MEDLOW16:
6033 case R_SH_GOTPLT_MEDHI16:
6034 case R_SH_GOTPLT_HI16:
6035 case R_SH_GOTPLT10BY4:
6036 case R_SH_GOTPLT10BY8:
6037 #endif
6038 if (h != NULL)
6039 {
6040 struct elf_sh_link_hash_entry *eh;
6041 eh = (struct elf_sh_link_hash_entry *) h;
6042 if (eh->gotplt_refcount > 0)
6043 {
6044 eh->gotplt_refcount -= 1;
6045 if (h->plt.refcount > 0)
6046 h->plt.refcount -= 1;
6047 }
6048 #ifdef INCLUDE_SHMEDIA
6049 else if (seen_stt_datalabel)
6050 {
6051 if (eh->datalabel_got.refcount > 0)
6052 eh->datalabel_got.refcount -= 1;
6053 }
6054 #endif
6055 else if (h->got.refcount > 0)
6056 h->got.refcount -= 1;
6057 }
6058 else if (local_got_refcounts != NULL)
6059 {
6060 #ifdef INCLUDE_SHMEDIA
6061 if (rel->r_addend & 1)
6062 {
6063 if (local_got_refcounts[symtab_hdr->sh_info + r_symndx] > 0)
6064 local_got_refcounts[symtab_hdr->sh_info + r_symndx] -= 1;
6065 }
6066 else
6067 #endif
6068 if (local_got_refcounts[r_symndx] > 0)
6069 local_got_refcounts[r_symndx] -= 1;
6070 }
6071 break;
6072
6073 default:
6074 break;
6075 }
6076 }
6077
6078 return TRUE;
6079 }
6080
6081 /* Copy the extra info we tack onto an elf_link_hash_entry. */
6082
6083 static void
6084 sh_elf_copy_indirect_symbol (struct bfd_link_info *info,
6085 struct elf_link_hash_entry *dir,
6086 struct elf_link_hash_entry *ind)
6087 {
6088 struct elf_sh_link_hash_entry *edir, *eind;
6089
6090 edir = (struct elf_sh_link_hash_entry *) dir;
6091 eind = (struct elf_sh_link_hash_entry *) ind;
6092
6093 if (eind->dyn_relocs != NULL)
6094 {
6095 if (edir->dyn_relocs != NULL)
6096 {
6097 struct elf_sh_dyn_relocs **pp;
6098 struct elf_sh_dyn_relocs *p;
6099
6100 /* Add reloc counts against the indirect sym to the direct sym
6101 list. Merge any entries against the same section. */
6102 for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
6103 {
6104 struct elf_sh_dyn_relocs *q;
6105
6106 for (q = edir->dyn_relocs; q != NULL; q = q->next)
6107 if (q->sec == p->sec)
6108 {
6109 q->pc_count += p->pc_count;
6110 q->count += p->count;
6111 *pp = p->next;
6112 break;
6113 }
6114 if (q == NULL)
6115 pp = &p->next;
6116 }
6117 *pp = edir->dyn_relocs;
6118 }
6119
6120 edir->dyn_relocs = eind->dyn_relocs;
6121 eind->dyn_relocs = NULL;
6122 }
6123 edir->gotplt_refcount = eind->gotplt_refcount;
6124 eind->gotplt_refcount = 0;
6125 #ifdef INCLUDE_SHMEDIA
6126 edir->datalabel_got.refcount += eind->datalabel_got.refcount;
6127 eind->datalabel_got.refcount = 0;
6128 #endif
6129
6130 if (ind->root.type == bfd_link_hash_indirect
6131 && dir->got.refcount <= 0)
6132 {
6133 edir->tls_type = eind->tls_type;
6134 eind->tls_type = GOT_UNKNOWN;
6135 }
6136
6137 if (ind->root.type != bfd_link_hash_indirect
6138 && dir->dynamic_adjusted)
6139 {
6140 /* If called to transfer flags for a weakdef during processing
6141 of elf_adjust_dynamic_symbol, don't copy non_got_ref.
6142 We clear it ourselves for ELIMINATE_COPY_RELOCS. */
6143 dir->ref_dynamic |= ind->ref_dynamic;
6144 dir->ref_regular |= ind->ref_regular;
6145 dir->ref_regular_nonweak |= ind->ref_regular_nonweak;
6146 dir->needs_plt |= ind->needs_plt;
6147 }
6148 else
6149 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
6150 }
6151
6152 static int
6153 sh_elf_optimized_tls_reloc (struct bfd_link_info *info, int r_type,
6154 int is_local)
6155 {
6156 if (info->shared)
6157 return r_type;
6158
6159 switch (r_type)
6160 {
6161 case R_SH_TLS_GD_32:
6162 case R_SH_TLS_IE_32:
6163 if (is_local)
6164 return R_SH_TLS_LE_32;
6165 return R_SH_TLS_IE_32;
6166 case R_SH_TLS_LD_32:
6167 return R_SH_TLS_LE_32;
6168 }
6169
6170 return r_type;
6171 }
6172
6173 /* Look through the relocs for a section during the first phase.
6174 Since we don't do .gots or .plts, we just need to consider the
6175 virtual table relocs for gc. */
6176
6177 static bfd_boolean
6178 sh_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec,
6179 const Elf_Internal_Rela *relocs)
6180 {
6181 Elf_Internal_Shdr *symtab_hdr;
6182 struct elf_link_hash_entry **sym_hashes, **sym_hashes_end;
6183 struct elf_sh_link_hash_table *htab;
6184 const Elf_Internal_Rela *rel;
6185 const Elf_Internal_Rela *rel_end;
6186 bfd_vma *local_got_offsets;
6187 asection *sgot;
6188 asection *srelgot;
6189 asection *sreloc;
6190 unsigned int r_type;
6191 int tls_type, old_tls_type;
6192
6193 sgot = NULL;
6194 srelgot = NULL;
6195 sreloc = NULL;
6196
6197 if (info->relocatable)
6198 return TRUE;
6199
6200 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
6201 sym_hashes = elf_sym_hashes (abfd);
6202 sym_hashes_end = sym_hashes + symtab_hdr->sh_size/sizeof (Elf32_External_Sym);
6203 if (!elf_bad_symtab (abfd))
6204 sym_hashes_end -= symtab_hdr->sh_info;
6205
6206 htab = sh_elf_hash_table (info);
6207 local_got_offsets = elf_local_got_offsets (abfd);
6208
6209 rel_end = relocs + sec->reloc_count;
6210 for (rel = relocs; rel < rel_end; rel++)
6211 {
6212 struct elf_link_hash_entry *h;
6213 unsigned long r_symndx;
6214 #ifdef INCLUDE_SHMEDIA
6215 int seen_stt_datalabel = 0;
6216 #endif
6217
6218 r_symndx = ELF32_R_SYM (rel->r_info);
6219 r_type = ELF32_R_TYPE (rel->r_info);
6220
6221 if (r_symndx < symtab_hdr->sh_info)
6222 h = NULL;
6223 else
6224 {
6225 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
6226 while (h->root.type == bfd_link_hash_indirect
6227 || h->root.type == bfd_link_hash_warning)
6228 {
6229 #ifdef INCLUDE_SHMEDIA
6230 seen_stt_datalabel |= h->type == STT_DATALABEL;
6231 #endif
6232 h = (struct elf_link_hash_entry *) h->root.u.i.link;
6233 }
6234 }
6235
6236 r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
6237 if (! info->shared
6238 && r_type == R_SH_TLS_IE_32
6239 && h != NULL
6240 && h->root.type != bfd_link_hash_undefined
6241 && h->root.type != bfd_link_hash_undefweak
6242 && (h->dynindx == -1
6243 || h->def_regular))
6244 r_type = R_SH_TLS_LE_32;
6245
6246 /* Some relocs require a global offset table. */
6247 if (htab->sgot == NULL)
6248 {
6249 switch (r_type)
6250 {
6251 case R_SH_GOTPLT32:
6252 case R_SH_GOT32:
6253 case R_SH_GOTOFF:
6254 case R_SH_GOTPC:
6255 #ifdef INCLUDE_SHMEDIA
6256 case R_SH_GOTPLT_LOW16:
6257 case R_SH_GOTPLT_MEDLOW16:
6258 case R_SH_GOTPLT_MEDHI16:
6259 case R_SH_GOTPLT_HI16:
6260 case R_SH_GOTPLT10BY4:
6261 case R_SH_GOTPLT10BY8:
6262 case R_SH_GOT_LOW16:
6263 case R_SH_GOT_MEDLOW16:
6264 case R_SH_GOT_MEDHI16:
6265 case R_SH_GOT_HI16:
6266 case R_SH_GOT10BY4:
6267 case R_SH_GOT10BY8:
6268 case R_SH_GOTOFF_LOW16:
6269 case R_SH_GOTOFF_MEDLOW16:
6270 case R_SH_GOTOFF_MEDHI16:
6271 case R_SH_GOTOFF_HI16:
6272 case R_SH_GOTPC_LOW16:
6273 case R_SH_GOTPC_MEDLOW16:
6274 case R_SH_GOTPC_MEDHI16:
6275 case R_SH_GOTPC_HI16:
6276 #endif
6277 case R_SH_TLS_GD_32:
6278 case R_SH_TLS_LD_32:
6279 case R_SH_TLS_IE_32:
6280 if (htab->sgot == NULL)
6281 {
6282 if (htab->root.dynobj == NULL)
6283 htab->root.dynobj = abfd;
6284 if (!create_got_section (htab->root.dynobj, info))
6285 return FALSE;
6286 }
6287 break;
6288
6289 default:
6290 break;
6291 }
6292 }
6293
6294 switch (r_type)
6295 {
6296 /* This relocation describes the C++ object vtable hierarchy.
6297 Reconstruct it for later use during GC. */
6298 case R_SH_GNU_VTINHERIT:
6299 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
6300 return FALSE;
6301 break;
6302
6303 /* This relocation describes which C++ vtable entries are actually
6304 used. Record for later use during GC. */
6305 case R_SH_GNU_VTENTRY:
6306 if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
6307 return FALSE;
6308 break;
6309
6310 case R_SH_TLS_IE_32:
6311 if (info->shared)
6312 info->flags |= DF_STATIC_TLS;
6313
6314 /* FALLTHROUGH */
6315 force_got:
6316 case R_SH_TLS_GD_32:
6317 case R_SH_GOT32:
6318 #ifdef INCLUDE_SHMEDIA
6319 case R_SH_GOT_LOW16:
6320 case R_SH_GOT_MEDLOW16:
6321 case R_SH_GOT_MEDHI16:
6322 case R_SH_GOT_HI16:
6323 case R_SH_GOT10BY4:
6324 case R_SH_GOT10BY8:
6325 #endif
6326 switch (r_type)
6327 {
6328 default:
6329 tls_type = GOT_NORMAL;
6330 break;
6331 case R_SH_TLS_GD_32:
6332 tls_type = GOT_TLS_GD;
6333 break;
6334 case R_SH_TLS_IE_32:
6335 tls_type = GOT_TLS_IE;
6336 break;
6337 }
6338
6339 if (h != NULL)
6340 {
6341 #ifdef INCLUDE_SHMEDIA
6342 if (seen_stt_datalabel)
6343 {
6344 struct elf_sh_link_hash_entry *eh
6345 = (struct elf_sh_link_hash_entry *) h;
6346
6347 eh->datalabel_got.refcount += 1;
6348 }
6349 else
6350 #endif
6351 h->got.refcount += 1;
6352 old_tls_type = sh_elf_hash_entry (h)->tls_type;
6353 }
6354 else
6355 {
6356 bfd_signed_vma *local_got_refcounts;
6357
6358 /* This is a global offset table entry for a local
6359 symbol. */
6360 local_got_refcounts = elf_local_got_refcounts (abfd);
6361 if (local_got_refcounts == NULL)
6362 {
6363 bfd_size_type size;
6364
6365 size = symtab_hdr->sh_info;
6366 size *= sizeof (bfd_signed_vma);
6367 #ifdef INCLUDE_SHMEDIA
6368 /* Reserve space for both the datalabel and
6369 codelabel local GOT offsets. */
6370 size *= 2;
6371 #endif
6372 size += symtab_hdr->sh_info;
6373 local_got_refcounts = ((bfd_signed_vma *)
6374 bfd_zalloc (abfd, size));
6375 if (local_got_refcounts == NULL)
6376 return FALSE;
6377 elf_local_got_refcounts (abfd) = local_got_refcounts;
6378 #ifdef INCLUDE_SHMEDIA
6379 /* Take care of both the datalabel and codelabel local
6380 GOT offsets. */
6381 sh_elf_local_got_tls_type (abfd)
6382 = (char *) (local_got_refcounts + 2 * symtab_hdr->sh_info);
6383 #else
6384 sh_elf_local_got_tls_type (abfd)
6385 = (char *) (local_got_refcounts + symtab_hdr->sh_info);
6386 #endif
6387 }
6388 #ifdef INCLUDE_SHMEDIA
6389 if (rel->r_addend & 1)
6390 local_got_refcounts[symtab_hdr->sh_info + r_symndx] += 1;
6391 else
6392 #endif
6393 local_got_refcounts[r_symndx] += 1;
6394 old_tls_type = sh_elf_local_got_tls_type (abfd) [r_symndx];
6395 }
6396
6397 /* If a TLS symbol is accessed using IE at least once,
6398 there is no point to use dynamic model for it. */
6399 if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN
6400 && (old_tls_type != GOT_TLS_GD || tls_type != GOT_TLS_IE))
6401 {
6402 if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
6403 tls_type = GOT_TLS_IE;
6404 else
6405 {
6406 (*_bfd_error_handler)
6407 (_("%B: `%s' accessed both as normal and thread local symbol"),
6408 abfd, h->root.root.string);
6409 return FALSE;
6410 }
6411 }
6412
6413 if (old_tls_type != tls_type)
6414 {
6415 if (h != NULL)
6416 sh_elf_hash_entry (h)->tls_type = tls_type;
6417 else
6418 sh_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
6419 }
6420
6421 break;
6422
6423 case R_SH_TLS_LD_32:
6424 sh_elf_hash_table(info)->tls_ldm_got.refcount += 1;
6425 break;
6426
6427 case R_SH_GOTPLT32:
6428 #ifdef INCLUDE_SHMEDIA
6429 case R_SH_GOTPLT_LOW16:
6430 case R_SH_GOTPLT_MEDLOW16:
6431 case R_SH_GOTPLT_MEDHI16:
6432 case R_SH_GOTPLT_HI16:
6433 case R_SH_GOTPLT10BY4:
6434 case R_SH_GOTPLT10BY8:
6435 #endif
6436 /* If this is a local symbol, we resolve it directly without
6437 creating a procedure linkage table entry. */
6438
6439 if (h == NULL
6440 || h->forced_local
6441 || ! info->shared
6442 || info->symbolic
6443 || h->dynindx == -1)
6444 goto force_got;
6445
6446 h->needs_plt = 1;
6447 h->plt.refcount += 1;
6448 ((struct elf_sh_link_hash_entry *) h)->gotplt_refcount += 1;
6449
6450 break;
6451
6452 case R_SH_PLT32:
6453 #ifdef INCLUDE_SHMEDIA
6454 case R_SH_PLT_LOW16:
6455 case R_SH_PLT_MEDLOW16:
6456 case R_SH_PLT_MEDHI16:
6457 case R_SH_PLT_HI16:
6458 #endif
6459 /* This symbol requires a procedure linkage table entry. We
6460 actually build the entry in adjust_dynamic_symbol,
6461 because this might be a case of linking PIC code which is
6462 never referenced by a dynamic object, in which case we
6463 don't need to generate a procedure linkage table entry
6464 after all. */
6465
6466 /* If this is a local symbol, we resolve it directly without
6467 creating a procedure linkage table entry. */
6468 if (h == NULL)
6469 continue;
6470
6471 if (h->forced_local)
6472 break;
6473
6474 h->needs_plt = 1;
6475 h->plt.refcount += 1;
6476 break;
6477
6478 case R_SH_DIR32:
6479 case R_SH_REL32:
6480 #ifdef INCLUDE_SHMEDIA
6481 case R_SH_IMM_LOW16_PCREL:
6482 case R_SH_IMM_MEDLOW16_PCREL:
6483 case R_SH_IMM_MEDHI16_PCREL:
6484 case R_SH_IMM_HI16_PCREL:
6485 #endif
6486 if (h != NULL && ! info->shared)
6487 {
6488 h->non_got_ref = 1;
6489 h->plt.refcount += 1;
6490 }
6491
6492 /* If we are creating a shared library, and this is a reloc
6493 against a global symbol, or a non PC relative reloc
6494 against a local symbol, then we need to copy the reloc
6495 into the shared library. However, if we are linking with
6496 -Bsymbolic, we do not need to copy a reloc against a
6497 global symbol which is defined in an object we are
6498 including in the link (i.e., DEF_REGULAR is set). At
6499 this point we have not seen all the input files, so it is
6500 possible that DEF_REGULAR is not set now but will be set
6501 later (it is never cleared). We account for that
6502 possibility below by storing information in the
6503 dyn_relocs field of the hash table entry. A similar
6504 situation occurs when creating shared libraries and symbol
6505 visibility changes render the symbol local.
6506
6507 If on the other hand, we are creating an executable, we
6508 may need to keep relocations for symbols satisfied by a
6509 dynamic library if we manage to avoid copy relocs for the
6510 symbol. */
6511 if ((info->shared
6512 && (sec->flags & SEC_ALLOC) != 0
6513 && (r_type != R_SH_REL32
6514 || (h != NULL
6515 && (! info->symbolic
6516 || h->root.type == bfd_link_hash_defweak
6517 || !h->def_regular))))
6518 || (! info->shared
6519 && (sec->flags & SEC_ALLOC) != 0
6520 && h != NULL
6521 && (h->root.type == bfd_link_hash_defweak
6522 || !h->def_regular)))
6523 {
6524 struct elf_sh_dyn_relocs *p;
6525 struct elf_sh_dyn_relocs **head;
6526
6527 if (htab->root.dynobj == NULL)
6528 htab->root.dynobj = abfd;
6529
6530 /* When creating a shared object, we must copy these
6531 reloc types into the output file. We create a reloc
6532 section in dynobj and make room for this reloc. */
6533 if (sreloc == NULL)
6534 {
6535 const char *name;
6536
6537 name = (bfd_elf_string_from_elf_section
6538 (abfd,
6539 elf_elfheader (abfd)->e_shstrndx,
6540 elf_section_data (sec)->rel_hdr.sh_name));
6541 if (name == NULL)
6542 return FALSE;
6543
6544 BFD_ASSERT (strncmp (name, ".rela", 5) == 0
6545 && strcmp (bfd_get_section_name (abfd, sec),
6546 name + 5) == 0);
6547
6548 sreloc = bfd_get_section_by_name (htab->root.dynobj, name);
6549 if (sreloc == NULL)
6550 {
6551 flagword flags;
6552
6553 flags = (SEC_HAS_CONTENTS | SEC_READONLY
6554 | SEC_IN_MEMORY | SEC_LINKER_CREATED);
6555 if ((sec->flags & SEC_ALLOC) != 0)
6556 flags |= SEC_ALLOC | SEC_LOAD;
6557 sreloc = bfd_make_section_with_flags (htab->root.dynobj,
6558 name,
6559 flags);
6560 if (sreloc == NULL
6561 || ! bfd_set_section_alignment (htab->root.dynobj,
6562 sreloc, 2))
6563 return FALSE;
6564 }
6565 elf_section_data (sec)->sreloc = sreloc;
6566 }
6567
6568 /* If this is a global symbol, we count the number of
6569 relocations we need for this symbol. */
6570 if (h != NULL)
6571 head = &((struct elf_sh_link_hash_entry *) h)->dyn_relocs;
6572 else
6573 {
6574 asection *s;
6575 void *vpp;
6576
6577 /* Track dynamic relocs needed for local syms too. */
6578 s = bfd_section_from_r_symndx (abfd, &htab->sym_sec,
6579 sec, r_symndx);
6580 if (s == NULL)
6581 return FALSE;
6582
6583 vpp = &elf_section_data (s)->local_dynrel;
6584 head = (struct elf_sh_dyn_relocs **) vpp;
6585 }
6586
6587 p = *head;
6588 if (p == NULL || p->sec != sec)
6589 {
6590 bfd_size_type amt = sizeof (*p);
6591 p = bfd_alloc (htab->root.dynobj, amt);
6592 if (p == NULL)
6593 return FALSE;
6594 p->next = *head;
6595 *head = p;
6596 p->sec = sec;
6597 p->count = 0;
6598 p->pc_count = 0;
6599 }
6600
6601 p->count += 1;
6602 if (r_type == R_SH_REL32
6603 #ifdef INCLUDE_SHMEDIA
6604 || r_type == R_SH_IMM_LOW16_PCREL
6605 || r_type == R_SH_IMM_MEDLOW16_PCREL
6606 || r_type == R_SH_IMM_MEDHI16_PCREL
6607 || r_type == R_SH_IMM_HI16_PCREL
6608 #endif
6609 )
6610 p->pc_count += 1;
6611 }
6612
6613 break;
6614
6615 case R_SH_TLS_LE_32:
6616 if (info->shared)
6617 {
6618 (*_bfd_error_handler)
6619 (_("%B: TLS local exec code cannot be linked into shared objects"),
6620 abfd);
6621 return FALSE;
6622 }
6623
6624 break;
6625
6626 case R_SH_TLS_LDO_32:
6627 /* Nothing to do. */
6628 break;
6629
6630 default:
6631 break;
6632 }
6633 }
6634
6635 return TRUE;
6636 }
6637
6638 #ifndef sh_elf_set_mach_from_flags
6639 static unsigned int sh_ef_bfd_table[] = { EF_SH_BFD_TABLE };
6640
6641 static bfd_boolean
6642 sh_elf_set_mach_from_flags (bfd *abfd)
6643 {
6644 flagword flags = elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK;
6645
6646 if (flags >= sizeof(sh_ef_bfd_table))
6647 return FALSE;
6648
6649 if (sh_ef_bfd_table[flags] == 0)
6650 return FALSE;
6651
6652 bfd_default_set_arch_mach (abfd, bfd_arch_sh, sh_ef_bfd_table[flags]);
6653
6654 return TRUE;
6655 }
6656
6657
6658 /* Reverse table lookup for sh_ef_bfd_table[].
6659 Given a bfd MACH value from archures.c
6660 return the equivalent ELF flags from the table.
6661 Return -1 if no match is found. */
6662
6663 int
6664 sh_elf_get_flags_from_mach (unsigned long mach)
6665 {
6666 int i = ARRAY_SIZE (sh_ef_bfd_table) - 1;
6667
6668 for (; i>0; i--)
6669 if (sh_ef_bfd_table[i] == mach)
6670 return i;
6671
6672 /* shouldn't get here */
6673 BFD_FAIL();
6674
6675 return -1;
6676 }
6677 #endif /* not sh_elf_set_mach_from_flags */
6678
6679 #ifndef sh_elf_set_private_flags
6680 /* Function to keep SH specific file flags. */
6681
6682 static bfd_boolean
6683 sh_elf_set_private_flags (bfd *abfd, flagword flags)
6684 {
6685 BFD_ASSERT (! elf_flags_init (abfd)
6686 || elf_elfheader (abfd)->e_flags == flags);
6687
6688 elf_elfheader (abfd)->e_flags = flags;
6689 elf_flags_init (abfd) = TRUE;
6690 return sh_elf_set_mach_from_flags (abfd);
6691 }
6692 #endif /* not sh_elf_set_private_flags */
6693
6694 #ifndef sh_elf_copy_private_data
6695 /* Copy backend specific data from one object module to another */
6696
6697 static bfd_boolean
6698 sh_elf_copy_private_data (bfd * ibfd, bfd * obfd)
6699 {
6700 if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour
6701 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
6702 return TRUE;
6703
6704 return sh_elf_set_private_flags (obfd, elf_elfheader (ibfd)->e_flags);
6705 }
6706 #endif /* not sh_elf_copy_private_data */
6707
6708 #ifndef sh_elf_merge_private_data
6709
6710 /* This function returns the ELF architecture number that
6711 corresponds to the given arch_sh* flags. */
6712
6713 int
6714 sh_find_elf_flags (unsigned int arch_set)
6715 {
6716 extern unsigned long sh_get_bfd_mach_from_arch_set (unsigned int);
6717 unsigned long bfd_mach = sh_get_bfd_mach_from_arch_set (arch_set);
6718
6719 return sh_elf_get_flags_from_mach (bfd_mach);
6720 }
6721
6722 /* This routine initialises the elf flags when required and
6723 calls sh_merge_bfd_arch() to check dsp/fpu compatibility. */
6724
6725 static bfd_boolean
6726 sh_elf_merge_private_data (bfd *ibfd, bfd *obfd)
6727 {
6728 extern bfd_boolean sh_merge_bfd_arch (bfd *, bfd *);
6729
6730 if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour
6731 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
6732 return TRUE;
6733
6734 if (! elf_flags_init (obfd))
6735 {
6736 /* This happens when ld starts out with a 'blank' output file. */
6737 elf_flags_init (obfd) = TRUE;
6738 elf_elfheader (obfd)->e_flags = EF_SH1;
6739 sh_elf_set_mach_from_flags (obfd);
6740 }
6741
6742 if (! sh_merge_bfd_arch (ibfd, obfd))
6743 {
6744 _bfd_error_handler ("%B: uses instructions which are incompatible "
6745 "with instructions used in previous modules",
6746 ibfd);
6747 bfd_set_error (bfd_error_bad_value);
6748 return FALSE;
6749 }
6750
6751 elf_elfheader (obfd)->e_flags =
6752 sh_elf_get_flags_from_mach (bfd_get_mach (obfd));
6753
6754 return TRUE;
6755 }
6756 #endif /* not sh_elf_merge_private_data */
6757
6758 /* Override the generic function because we need to store sh_elf_obj_tdata
6759 as the specific tdata. We set also the machine architecture from flags
6760 here. */
6761
6762 static bfd_boolean
6763 sh_elf_object_p (bfd *abfd)
6764 {
6765 return sh_elf_set_mach_from_flags (abfd);
6766 }
6767
6768 /* Finish up dynamic symbol handling. We set the contents of various
6769 dynamic sections here. */
6770
6771 static bfd_boolean
6772 sh_elf_finish_dynamic_symbol (bfd *output_bfd, struct bfd_link_info *info,
6773 struct elf_link_hash_entry *h,
6774 Elf_Internal_Sym *sym)
6775 {
6776 struct elf_sh_link_hash_table *htab;
6777
6778 htab = sh_elf_hash_table (info);
6779
6780 if (h->plt.offset != (bfd_vma) -1)
6781 {
6782 asection *splt;
6783 asection *sgot;
6784 asection *srel;
6785
6786 bfd_vma plt_index;
6787 bfd_vma got_offset;
6788 Elf_Internal_Rela rel;
6789 bfd_byte *loc;
6790
6791 /* This symbol has an entry in the procedure linkage table. Set
6792 it up. */
6793
6794 BFD_ASSERT (h->dynindx != -1);
6795
6796 splt = htab->splt;
6797 sgot = htab->sgotplt;
6798 srel = htab->srelplt;
6799 BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL);
6800
6801 /* Get the index in the procedure linkage table which
6802 corresponds to this symbol. This is the index of this symbol
6803 in all the symbols for which we are making plt entries. The
6804 first entry in the procedure linkage table is reserved. */
6805 plt_index = h->plt.offset / elf_sh_sizeof_plt (info) - 1;
6806
6807 /* Get the offset into the .got table of the entry that
6808 corresponds to this function. Each .got entry is 4 bytes.
6809 The first three are reserved. */
6810 got_offset = (plt_index + 3) * 4;
6811
6812 #ifdef GOT_BIAS
6813 if (info->shared)
6814 got_offset -= GOT_BIAS;
6815 #endif
6816
6817 /* Fill in the entry in the procedure linkage table. */
6818 if (! info->shared)
6819 {
6820 if (elf_sh_plt_entry == NULL)
6821 {
6822 elf_sh_plt_entry = (bfd_big_endian (output_bfd) ?
6823 elf_sh_plt_entry_be : elf_sh_plt_entry_le);
6824 }
6825 memcpy (splt->contents + h->plt.offset, elf_sh_plt_entry,
6826 elf_sh_sizeof_plt (info));
6827 #ifdef INCLUDE_SHMEDIA
6828 movi_shori_putval (output_bfd,
6829 (sgot->output_section->vma
6830 + sgot->output_offset
6831 + got_offset),
6832 (splt->contents + h->plt.offset
6833 + elf_sh_plt_symbol_offset (info)));
6834
6835 /* Set bottom bit because its for a branch to SHmedia */
6836 movi_shori_putval (output_bfd,
6837 (splt->output_section->vma + splt->output_offset)
6838 | 1,
6839 (splt->contents + h->plt.offset
6840 + elf_sh_plt_plt0_offset (info)));
6841 #else
6842 bfd_put_32 (output_bfd,
6843 (sgot->output_section->vma
6844 + sgot->output_offset
6845 + got_offset),
6846 (splt->contents + h->plt.offset
6847 + elf_sh_plt_symbol_offset (info)));
6848
6849 bfd_put_32 (output_bfd,
6850 (splt->output_section->vma + splt->output_offset),
6851 (splt->contents + h->plt.offset
6852 + elf_sh_plt_plt0_offset (info)));
6853 #endif
6854 }
6855 else
6856 {
6857 if (elf_sh_pic_plt_entry == NULL)
6858 {
6859 elf_sh_pic_plt_entry = (bfd_big_endian (output_bfd) ?
6860 elf_sh_pic_plt_entry_be :
6861 elf_sh_pic_plt_entry_le);
6862 }
6863 memcpy (splt->contents + h->plt.offset, elf_sh_pic_plt_entry,
6864 elf_sh_sizeof_plt (info));
6865 #ifdef INCLUDE_SHMEDIA
6866 movi_shori_putval (output_bfd, got_offset,
6867 (splt->contents + h->plt.offset
6868 + elf_sh_plt_symbol_offset (info)));
6869 #else
6870 bfd_put_32 (output_bfd, got_offset,
6871 (splt->contents + h->plt.offset
6872 + elf_sh_plt_symbol_offset (info)));
6873 #endif
6874 }
6875
6876 #ifdef GOT_BIAS
6877 if (info->shared)
6878 got_offset += GOT_BIAS;
6879 #endif
6880
6881 #ifdef INCLUDE_SHMEDIA
6882 movi_shori_putval (output_bfd,
6883 plt_index * sizeof (Elf32_External_Rela),
6884 (splt->contents + h->plt.offset
6885 + elf_sh_plt_reloc_offset (info)));
6886 #else
6887 bfd_put_32 (output_bfd, plt_index * sizeof (Elf32_External_Rela),
6888 (splt->contents + h->plt.offset
6889 + elf_sh_plt_reloc_offset (info)));
6890 #endif
6891
6892 /* Fill in the entry in the global offset table. */
6893 bfd_put_32 (output_bfd,
6894 (splt->output_section->vma
6895 + splt->output_offset
6896 + h->plt.offset
6897 + elf_sh_plt_temp_offset (info)),
6898 sgot->contents + got_offset);
6899
6900 /* Fill in the entry in the .rela.plt section. */
6901 rel.r_offset = (sgot->output_section->vma
6902 + sgot->output_offset
6903 + got_offset);
6904 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_JMP_SLOT);
6905 rel.r_addend = 0;
6906 #ifdef GOT_BIAS
6907 rel.r_addend = GOT_BIAS;
6908 #endif
6909 loc = srel->contents + plt_index * sizeof (Elf32_External_Rela);
6910 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
6911
6912 if (!h->def_regular)
6913 {
6914 /* Mark the symbol as undefined, rather than as defined in
6915 the .plt section. Leave the value alone. */
6916 sym->st_shndx = SHN_UNDEF;
6917 }
6918 }
6919
6920 if (h->got.offset != (bfd_vma) -1
6921 && sh_elf_hash_entry (h)->tls_type != GOT_TLS_GD
6922 && sh_elf_hash_entry (h)->tls_type != GOT_TLS_IE)
6923 {
6924 asection *sgot;
6925 asection *srel;
6926 Elf_Internal_Rela rel;
6927 bfd_byte *loc;
6928
6929 /* This symbol has an entry in the global offset table. Set it
6930 up. */
6931
6932 sgot = htab->sgot;
6933 srel = htab->srelgot;
6934 BFD_ASSERT (sgot != NULL && srel != NULL);
6935
6936 rel.r_offset = (sgot->output_section->vma
6937 + sgot->output_offset
6938 + (h->got.offset &~ (bfd_vma) 1));
6939
6940 /* If this is a static link, or it is a -Bsymbolic link and the
6941 symbol is defined locally or was forced to be local because
6942 of a version file, we just want to emit a RELATIVE reloc.
6943 The entry in the global offset table will already have been
6944 initialized in the relocate_section function. */
6945 if (info->shared
6946 && SYMBOL_REFERENCES_LOCAL (info, h))
6947 {
6948 rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
6949 rel.r_addend = (h->root.u.def.value
6950 + h->root.u.def.section->output_section->vma
6951 + h->root.u.def.section->output_offset);
6952 }
6953 else
6954 {
6955 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
6956 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT);
6957 rel.r_addend = 0;
6958 }
6959
6960 loc = srel->contents;
6961 loc += srel->reloc_count++ * sizeof (Elf32_External_Rela);
6962 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
6963 }
6964
6965 #ifdef INCLUDE_SHMEDIA
6966 {
6967 struct elf_sh_link_hash_entry *eh;
6968
6969 eh = (struct elf_sh_link_hash_entry *) h;
6970 if (eh->datalabel_got.offset != (bfd_vma) -1)
6971 {
6972 asection *sgot;
6973 asection *srel;
6974 Elf_Internal_Rela rel;
6975 bfd_byte *loc;
6976
6977 /* This symbol has a datalabel entry in the global offset table.
6978 Set it up. */
6979
6980 sgot = htab->sgot;
6981 srel = htab->srelgot;
6982 BFD_ASSERT (sgot != NULL && srel != NULL);
6983
6984 rel.r_offset = (sgot->output_section->vma
6985 + sgot->output_offset
6986 + (eh->datalabel_got.offset &~ (bfd_vma) 1));
6987
6988 /* If this is a static link, or it is a -Bsymbolic link and the
6989 symbol is defined locally or was forced to be local because
6990 of a version file, we just want to emit a RELATIVE reloc.
6991 The entry in the global offset table will already have been
6992 initialized in the relocate_section function. */
6993 if (info->shared
6994 && SYMBOL_REFERENCES_LOCAL (info, h))
6995 {
6996 rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
6997 rel.r_addend = (h->root.u.def.value
6998 + h->root.u.def.section->output_section->vma
6999 + h->root.u.def.section->output_offset);
7000 }
7001 else
7002 {
7003 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents
7004 + eh->datalabel_got.offset);
7005 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT);
7006 rel.r_addend = 0;
7007 }
7008
7009 loc = srel->contents;
7010 loc += srel->reloc_count++ * sizeof (Elf32_External_Rela);
7011 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
7012 }
7013 }
7014 #endif
7015
7016 if (h->needs_copy)
7017 {
7018 asection *s;
7019 Elf_Internal_Rela rel;
7020 bfd_byte *loc;
7021
7022 /* This symbol needs a copy reloc. Set it up. */
7023
7024 BFD_ASSERT (h->dynindx != -1
7025 && (h->root.type == bfd_link_hash_defined
7026 || h->root.type == bfd_link_hash_defweak));
7027
7028 s = bfd_get_section_by_name (h->root.u.def.section->owner,
7029 ".rela.bss");
7030 BFD_ASSERT (s != NULL);
7031
7032 rel.r_offset = (h->root.u.def.value
7033 + h->root.u.def.section->output_section->vma
7034 + h->root.u.def.section->output_offset);
7035 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_COPY);
7036 rel.r_addend = 0;
7037 loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela);
7038 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
7039 }
7040
7041 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */
7042 if (strcmp (h->root.root.string, "_DYNAMIC") == 0
7043 || h == htab->root.hgot)
7044 sym->st_shndx = SHN_ABS;
7045
7046 return TRUE;
7047 }
7048
7049 /* Finish up the dynamic sections. */
7050
7051 static bfd_boolean
7052 sh_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
7053 {
7054 struct elf_sh_link_hash_table *htab;
7055 asection *sgot;
7056 asection *sdyn;
7057
7058 htab = sh_elf_hash_table (info);
7059 sgot = htab->sgotplt;
7060 sdyn = bfd_get_section_by_name (htab->root.dynobj, ".dynamic");
7061
7062 if (htab->root.dynamic_sections_created)
7063 {
7064 asection *splt;
7065 Elf32_External_Dyn *dyncon, *dynconend;
7066
7067 BFD_ASSERT (sgot != NULL && sdyn != NULL);
7068
7069 dyncon = (Elf32_External_Dyn *) sdyn->contents;
7070 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
7071 for (; dyncon < dynconend; dyncon++)
7072 {
7073 Elf_Internal_Dyn dyn;
7074 asection *s;
7075 #ifdef INCLUDE_SHMEDIA
7076 const char *name;
7077 #endif
7078
7079 bfd_elf32_swap_dyn_in (htab->root.dynobj, dyncon, &dyn);
7080
7081 switch (dyn.d_tag)
7082 {
7083 default:
7084 break;
7085
7086 #ifdef INCLUDE_SHMEDIA
7087 case DT_INIT:
7088 name = info->init_function;
7089 goto get_sym;
7090
7091 case DT_FINI:
7092 name = info->fini_function;
7093 get_sym:
7094 if (dyn.d_un.d_val != 0)
7095 {
7096 struct elf_link_hash_entry *h;
7097
7098 h = elf_link_hash_lookup (&htab->root, name,
7099 FALSE, FALSE, TRUE);
7100 if (h != NULL && (h->other & STO_SH5_ISA32))
7101 {
7102 dyn.d_un.d_val |= 1;
7103 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7104 }
7105 }
7106 break;
7107 #endif
7108
7109 case DT_PLTGOT:
7110 s = htab->sgot->output_section;
7111 goto get_vma;
7112
7113 case DT_JMPREL:
7114 s = htab->srelplt->output_section;
7115 get_vma:
7116 BFD_ASSERT (s != NULL);
7117 dyn.d_un.d_ptr = s->vma;
7118 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7119 break;
7120
7121 case DT_PLTRELSZ:
7122 s = htab->srelplt->output_section;
7123 BFD_ASSERT (s != NULL);
7124 dyn.d_un.d_val = s->size;
7125 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7126 break;
7127
7128 case DT_RELASZ:
7129 /* My reading of the SVR4 ABI indicates that the
7130 procedure linkage table relocs (DT_JMPREL) should be
7131 included in the overall relocs (DT_RELA). This is
7132 what Solaris does. However, UnixWare can not handle
7133 that case. Therefore, we override the DT_RELASZ entry
7134 here to make it not include the JMPREL relocs. Since
7135 the linker script arranges for .rela.plt to follow all
7136 other relocation sections, we don't have to worry
7137 about changing the DT_RELA entry. */
7138 if (htab->srelplt != NULL)
7139 {
7140 s = htab->srelplt->output_section;
7141 dyn.d_un.d_val -= s->size;
7142 }
7143 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7144 break;
7145 }
7146 }
7147
7148 /* Fill in the first entry in the procedure linkage table. */
7149 splt = htab->splt;
7150 if (splt && splt->size > 0)
7151 {
7152 if (info->shared)
7153 {
7154 if (elf_sh_pic_plt_entry == NULL)
7155 {
7156 elf_sh_pic_plt_entry = (bfd_big_endian (output_bfd) ?
7157 elf_sh_pic_plt_entry_be :
7158 elf_sh_pic_plt_entry_le);
7159 }
7160 memcpy (splt->contents, elf_sh_pic_plt_entry,
7161 elf_sh_sizeof_plt (info));
7162 }
7163 else
7164 {
7165 if (elf_sh_plt0_entry == NULL)
7166 {
7167 elf_sh_plt0_entry = (bfd_big_endian (output_bfd) ?
7168 elf_sh_plt0_entry_be :
7169 elf_sh_plt0_entry_le);
7170 }
7171 memcpy (splt->contents, elf_sh_plt0_entry, PLT_ENTRY_SIZE);
7172 #ifdef INCLUDE_SHMEDIA
7173 movi_shori_putval (output_bfd,
7174 sgot->output_section->vma
7175 + sgot->output_offset,
7176 splt->contents
7177 + elf_sh_plt0_gotplt_offset (info));
7178 #else
7179 bfd_put_32 (output_bfd,
7180 sgot->output_section->vma + sgot->output_offset + 4,
7181 splt->contents + elf_sh_plt0_gotid_offset (info));
7182 bfd_put_32 (output_bfd,
7183 sgot->output_section->vma + sgot->output_offset + 8,
7184 splt->contents + elf_sh_plt0_linker_offset (info));
7185 #endif
7186 }
7187
7188 /* UnixWare sets the entsize of .plt to 4, although that doesn't
7189 really seem like the right value. */
7190 elf_section_data (splt->output_section)->this_hdr.sh_entsize = 4;
7191 }
7192 }
7193
7194 /* Fill in the first three entries in the global offset table. */
7195 if (sgot && sgot->size > 0)
7196 {
7197 if (sdyn == NULL)
7198 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents);
7199 else
7200 bfd_put_32 (output_bfd,
7201 sdyn->output_section->vma + sdyn->output_offset,
7202 sgot->contents);
7203 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 4);
7204 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 8);
7205
7206 elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
7207 }
7208
7209 return TRUE;
7210 }
7211
7212 static enum elf_reloc_type_class
7213 sh_elf_reloc_type_class (const Elf_Internal_Rela *rela)
7214 {
7215 switch ((int) ELF32_R_TYPE (rela->r_info))
7216 {
7217 case R_SH_RELATIVE:
7218 return reloc_class_relative;
7219 case R_SH_JMP_SLOT:
7220 return reloc_class_plt;
7221 case R_SH_COPY:
7222 return reloc_class_copy;
7223 default:
7224 return reloc_class_normal;
7225 }
7226 }
7227
7228 #if !defined SH_TARGET_ALREADY_DEFINED
7229 /* Support for Linux core dump NOTE sections. */
7230
7231 static bfd_boolean
7232 elf32_shlin_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
7233 {
7234 int offset;
7235 unsigned int size;
7236
7237 switch (note->descsz)
7238 {
7239 default:
7240 return FALSE;
7241
7242 case 168: /* Linux/SH */
7243 /* pr_cursig */
7244 elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12);
7245
7246 /* pr_pid */
7247 elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 24);
7248
7249 /* pr_reg */
7250 offset = 72;
7251 size = 92;
7252
7253 break;
7254 }
7255
7256 /* Make a ".reg/999" section. */
7257 return _bfd_elfcore_make_pseudosection (abfd, ".reg",
7258 size, note->descpos + offset);
7259 }
7260
7261 static bfd_boolean
7262 elf32_shlin_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
7263 {
7264 switch (note->descsz)
7265 {
7266 default:
7267 return FALSE;
7268
7269 case 124: /* Linux/SH elf_prpsinfo */
7270 elf_tdata (abfd)->core_program
7271 = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
7272 elf_tdata (abfd)->core_command
7273 = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
7274 }
7275
7276 /* Note that for some reason, a spurious space is tacked
7277 onto the end of the args in some (at least one anyway)
7278 implementations, so strip it off if it exists. */
7279
7280 {
7281 char *command = elf_tdata (abfd)->core_command;
7282 int n = strlen (command);
7283
7284 if (0 < n && command[n - 1] == ' ')
7285 command[n - 1] = '\0';
7286 }
7287
7288 return TRUE;
7289 }
7290 #endif /* not SH_TARGET_ALREADY_DEFINED */
7291
7292
7293 /* Return address for Ith PLT stub in section PLT, for relocation REL
7294 or (bfd_vma) -1 if it should not be included. */
7295
7296 static bfd_vma
7297 sh_elf_plt_sym_val (bfd_vma i, const asection *plt,
7298 const arelent *rel ATTRIBUTE_UNUSED)
7299 {
7300 return plt->vma + (i + 1) * PLT_ENTRY_SIZE;
7301 }
7302
7303 #if !defined SH_TARGET_ALREADY_DEFINED
7304 #define TARGET_BIG_SYM bfd_elf32_sh_vec
7305 #define TARGET_BIG_NAME "elf32-sh"
7306 #define TARGET_LITTLE_SYM bfd_elf32_shl_vec
7307 #define TARGET_LITTLE_NAME "elf32-shl"
7308 #endif
7309
7310 #define ELF_ARCH bfd_arch_sh
7311 #define ELF_MACHINE_CODE EM_SH
7312 #ifdef __QNXTARGET__
7313 #define ELF_MAXPAGESIZE 0x1000
7314 #else
7315 #define ELF_MAXPAGESIZE 0x80
7316 #endif
7317
7318 #define elf_symbol_leading_char '_'
7319
7320 #define bfd_elf32_bfd_reloc_type_lookup sh_elf_reloc_type_lookup
7321 #define elf_info_to_howto sh_elf_info_to_howto
7322 #define bfd_elf32_bfd_relax_section sh_elf_relax_section
7323 #define elf_backend_relocate_section sh_elf_relocate_section
7324 #define bfd_elf32_bfd_get_relocated_section_contents \
7325 sh_elf_get_relocated_section_contents
7326 #define bfd_elf32_mkobject sh_elf_mkobject
7327 #define elf_backend_object_p sh_elf_object_p
7328 #define bfd_elf32_bfd_set_private_bfd_flags \
7329 sh_elf_set_private_flags
7330 #define bfd_elf32_bfd_copy_private_bfd_data \
7331 sh_elf_copy_private_data
7332 #define bfd_elf32_bfd_merge_private_bfd_data \
7333 sh_elf_merge_private_data
7334
7335 #define elf_backend_gc_mark_hook sh_elf_gc_mark_hook
7336 #define elf_backend_gc_sweep_hook sh_elf_gc_sweep_hook
7337 #define elf_backend_check_relocs sh_elf_check_relocs
7338 #define elf_backend_copy_indirect_symbol \
7339 sh_elf_copy_indirect_symbol
7340 #define elf_backend_create_dynamic_sections \
7341 sh_elf_create_dynamic_sections
7342 #define bfd_elf32_bfd_link_hash_table_create \
7343 sh_elf_link_hash_table_create
7344 #define elf_backend_adjust_dynamic_symbol \
7345 sh_elf_adjust_dynamic_symbol
7346 #define elf_backend_size_dynamic_sections \
7347 sh_elf_size_dynamic_sections
7348 #define elf_backend_finish_dynamic_symbol \
7349 sh_elf_finish_dynamic_symbol
7350 #define elf_backend_finish_dynamic_sections \
7351 sh_elf_finish_dynamic_sections
7352 #define elf_backend_reloc_type_class sh_elf_reloc_type_class
7353 #define elf_backend_plt_sym_val sh_elf_plt_sym_val
7354
7355 #define elf_backend_can_gc_sections 1
7356 #define elf_backend_can_refcount 1
7357 #define elf_backend_want_got_plt 1
7358 #define elf_backend_plt_readonly 1
7359 #define elf_backend_want_plt_sym 0
7360 #define elf_backend_got_header_size 12
7361
7362 #if !defined INCLUDE_SHMEDIA && !defined SH_TARGET_ALREADY_DEFINED
7363
7364 #include "elf32-target.h"
7365
7366 /* NetBSD support. */
7367 #undef TARGET_BIG_SYM
7368 #define TARGET_BIG_SYM bfd_elf32_shnbsd_vec
7369 #undef TARGET_BIG_NAME
7370 #define TARGET_BIG_NAME "elf32-sh-nbsd"
7371 #undef TARGET_LITTLE_SYM
7372 #define TARGET_LITTLE_SYM bfd_elf32_shlnbsd_vec
7373 #undef TARGET_LITTLE_NAME
7374 #define TARGET_LITTLE_NAME "elf32-shl-nbsd"
7375 #undef ELF_MAXPAGESIZE
7376 #define ELF_MAXPAGESIZE 0x10000
7377 #undef ELF_COMMONPAGESIZE
7378 #undef elf_symbol_leading_char
7379 #define elf_symbol_leading_char 0
7380 #undef elf32_bed
7381 #define elf32_bed elf32_sh_nbsd_bed
7382
7383 #include "elf32-target.h"
7384
7385
7386 /* Linux support. */
7387 #undef TARGET_BIG_SYM
7388 #define TARGET_BIG_SYM bfd_elf32_shblin_vec
7389 #undef TARGET_BIG_NAME
7390 #define TARGET_BIG_NAME "elf32-shbig-linux"
7391 #undef TARGET_LITTLE_SYM
7392 #define TARGET_LITTLE_SYM bfd_elf32_shlin_vec
7393 #undef TARGET_LITTLE_NAME
7394 #define TARGET_LITTLE_NAME "elf32-sh-linux"
7395 #undef ELF_COMMONPAGESIZE
7396 #define ELF_COMMONPAGESIZE 0x1000
7397
7398 #undef elf_backend_grok_prstatus
7399 #define elf_backend_grok_prstatus elf32_shlin_grok_prstatus
7400 #undef elf_backend_grok_psinfo
7401 #define elf_backend_grok_psinfo elf32_shlin_grok_psinfo
7402 #undef elf32_bed
7403 #define elf32_bed elf32_sh_lin_bed
7404
7405 #include "elf32-target.h"
7406
7407 #endif /* neither INCLUDE_SHMEDIA nor SH_TARGET_ALREADY_DEFINED */
git-cvsimport of binutils cvsroot