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Remove special case handling for rtems targets that are sufficiently handled by
[binutils.git] / bfd / elf32-sh.c
blobb62881ce537c00b4bf6ab4fd1f3b051cab12ac7d
1 /* Renesas / SuperH SH specific support for 32-bit ELF
2 Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
3 Free Software Foundation, Inc.
4 Contributed by Ian Lance Taylor, Cygnus Support.
5
6 This file is part of BFD, the Binary File Descriptor library.
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 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 bfd_size_type amt = sizeof (struct sh_elf_obj_tdata);
3522 abfd->tdata.any = bfd_zalloc (abfd, amt);
3523 if (abfd->tdata.any == NULL)
3524 return FALSE;
3525 return TRUE;
3526 }
3527
3528 /* sh ELF linker hash table. */
3529
3530 struct elf_sh_link_hash_table
3531 {
3532 struct elf_link_hash_table root;
3533
3534 /* Short-cuts to get to dynamic linker sections. */
3535 asection *sgot;
3536 asection *sgotplt;
3537 asection *srelgot;
3538 asection *splt;
3539 asection *srelplt;
3540 asection *sdynbss;
3541 asection *srelbss;
3542
3543 /* Small local sym to section mapping cache. */
3544 struct sym_sec_cache sym_sec;
3545
3546 /* A counter or offset to track a TLS got entry. */
3547 union
3548 {
3549 bfd_signed_vma refcount;
3550 bfd_vma offset;
3551 } tls_ldm_got;
3552 };
3553
3554 /* Traverse an sh ELF linker hash table. */
3555
3556 #define sh_elf_link_hash_traverse(table, func, info) \
3557 (elf_link_hash_traverse \
3558 (&(table)->root, \
3559 (bfd_boolean (*) (struct elf_link_hash_entry *, void *)) (func), \
3560 (info)))
3561
3562 /* Get the sh ELF linker hash table from a link_info structure. */
3563
3564 #define sh_elf_hash_table(p) \
3565 ((struct elf_sh_link_hash_table *) ((p)->hash))
3566
3567 /* Create an entry in an sh ELF linker hash table. */
3568
3569 static struct bfd_hash_entry *
3570 sh_elf_link_hash_newfunc (struct bfd_hash_entry *entry,
3571 struct bfd_hash_table *table,
3572 const char *string)
3573 {
3574 struct elf_sh_link_hash_entry *ret =
3575 (struct elf_sh_link_hash_entry *) entry;
3576
3577 /* Allocate the structure if it has not already been allocated by a
3578 subclass. */
3579 if (ret == (struct elf_sh_link_hash_entry *) NULL)
3580 ret = ((struct elf_sh_link_hash_entry *)
3581 bfd_hash_allocate (table,
3582 sizeof (struct elf_sh_link_hash_entry)));
3583 if (ret == (struct elf_sh_link_hash_entry *) NULL)
3584 return (struct bfd_hash_entry *) ret;
3585
3586 /* Call the allocation method of the superclass. */
3587 ret = ((struct elf_sh_link_hash_entry *)
3588 _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
3589 table, string));
3590 if (ret != (struct elf_sh_link_hash_entry *) NULL)
3591 {
3592 ret->dyn_relocs = NULL;
3593 ret->gotplt_refcount = 0;
3594 #ifdef INCLUDE_SHMEDIA
3595 ret->datalabel_got.refcount = ret->root.got.refcount;
3596 #endif
3597 ret->tls_type = GOT_UNKNOWN;
3598 }
3599
3600 return (struct bfd_hash_entry *) ret;
3601 }
3602
3603 /* Create an sh ELF linker hash table. */
3604
3605 static struct bfd_link_hash_table *
3606 sh_elf_link_hash_table_create (bfd *abfd)
3607 {
3608 struct elf_sh_link_hash_table *ret;
3609 bfd_size_type amt = sizeof (struct elf_sh_link_hash_table);
3610
3611 ret = (struct elf_sh_link_hash_table *) bfd_malloc (amt);
3612 if (ret == (struct elf_sh_link_hash_table *) NULL)
3613 return NULL;
3614
3615 if (! _bfd_elf_link_hash_table_init (&ret->root, abfd,
3616 sh_elf_link_hash_newfunc))
3617 {
3618 free (ret);
3619 return NULL;
3620 }
3621
3622 ret->sgot = NULL;
3623 ret->sgotplt = NULL;
3624 ret->srelgot = NULL;
3625 ret->splt = NULL;
3626 ret->srelplt = NULL;
3627 ret->sdynbss = NULL;
3628 ret->srelbss = NULL;
3629 ret->sym_sec.abfd = NULL;
3630 ret->tls_ldm_got.refcount = 0;
3631
3632 return &ret->root.root;
3633 }
3634
3635 /* Create .got, .gotplt, and .rela.got sections in DYNOBJ, and set up
3636 shortcuts to them in our hash table. */
3637
3638 static bfd_boolean
3639 create_got_section (bfd *dynobj, struct bfd_link_info *info)
3640 {
3641 struct elf_sh_link_hash_table *htab;
3642
3643 if (! _bfd_elf_create_got_section (dynobj, info))
3644 return FALSE;
3645
3646 htab = sh_elf_hash_table (info);
3647 htab->sgot = bfd_get_section_by_name (dynobj, ".got");
3648 htab->sgotplt = bfd_get_section_by_name (dynobj, ".got.plt");
3649 if (! htab->sgot || ! htab->sgotplt)
3650 abort ();
3651
3652 htab->srelgot = bfd_make_section_with_flags (dynobj, ".rela.got",
3653 (SEC_ALLOC | SEC_LOAD
3654 | SEC_HAS_CONTENTS
3655 | SEC_IN_MEMORY
3656 | SEC_LINKER_CREATED
3657 | SEC_READONLY));
3658 if (htab->srelgot == NULL
3659 || ! bfd_set_section_alignment (dynobj, htab->srelgot, 2))
3660 return FALSE;
3661 return TRUE;
3662 }
3663
3664 /* Create dynamic sections when linking against a dynamic object. */
3665
3666 static bfd_boolean
3667 sh_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
3668 {
3669 struct elf_sh_link_hash_table *htab;
3670 flagword flags, pltflags;
3671 register asection *s;
3672 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
3673 int ptralign = 0;
3674
3675 switch (bed->s->arch_size)
3676 {
3677 case 32:
3678 ptralign = 2;
3679 break;
3680
3681 case 64:
3682 ptralign = 3;
3683 break;
3684
3685 default:
3686 bfd_set_error (bfd_error_bad_value);
3687 return FALSE;
3688 }
3689
3690 htab = sh_elf_hash_table (info);
3691 if (htab->root.dynamic_sections_created)
3692 return TRUE;
3693
3694 /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and
3695 .rel[a].bss sections. */
3696
3697 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
3698 | SEC_LINKER_CREATED);
3699
3700 pltflags = flags;
3701 pltflags |= SEC_CODE;
3702 if (bed->plt_not_loaded)
3703 pltflags &= ~ (SEC_LOAD | SEC_HAS_CONTENTS);
3704 if (bed->plt_readonly)
3705 pltflags |= SEC_READONLY;
3706
3707 s = bfd_make_section_with_flags (abfd, ".plt", pltflags);
3708 htab->splt = s;
3709 if (s == NULL
3710 || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
3711 return FALSE;
3712
3713 if (bed->want_plt_sym)
3714 {
3715 /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
3716 .plt section. */
3717 struct elf_link_hash_entry *h;
3718 struct bfd_link_hash_entry *bh = NULL;
3719
3720 if (! (_bfd_generic_link_add_one_symbol
3721 (info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s,
3722 (bfd_vma) 0, (const char *) NULL, FALSE,
3723 get_elf_backend_data (abfd)->collect, &bh)))
3724 return FALSE;
3725
3726 h = (struct elf_link_hash_entry *) bh;
3727 h->def_regular = 1;
3728 h->type = STT_OBJECT;
3729
3730 if (info->shared
3731 && ! bfd_elf_link_record_dynamic_symbol (info, h))
3732 return FALSE;
3733 }
3734
3735 s = bfd_make_section_with_flags (abfd,
3736 bed->default_use_rela_p ? ".rela.plt" : ".rel.plt",
3737 flags | SEC_READONLY);
3738 htab->srelplt = s;
3739 if (s == NULL
3740 || ! bfd_set_section_alignment (abfd, s, ptralign))
3741 return FALSE;
3742
3743 if (htab->sgot == NULL
3744 && !create_got_section (abfd, info))
3745 return FALSE;
3746
3747 {
3748 const char *secname;
3749 char *relname;
3750 flagword secflags;
3751 asection *sec;
3752
3753 for (sec = abfd->sections; sec; sec = sec->next)
3754 {
3755 secflags = bfd_get_section_flags (abfd, sec);
3756 if ((secflags & (SEC_DATA | SEC_LINKER_CREATED))
3757 || ((secflags & SEC_HAS_CONTENTS) != SEC_HAS_CONTENTS))
3758 continue;
3759 secname = bfd_get_section_name (abfd, sec);
3760 relname = (char *) bfd_malloc ((bfd_size_type) strlen (secname) + 6);
3761 strcpy (relname, ".rela");
3762 strcat (relname, secname);
3763 if (bfd_get_section_by_name (abfd, secname))
3764 continue;
3765 s = bfd_make_section_with_flags (abfd, relname,
3766 flags | SEC_READONLY);
3767 if (s == NULL
3768 || ! bfd_set_section_alignment (abfd, s, ptralign))
3769 return FALSE;
3770 }
3771 }
3772
3773 if (bed->want_dynbss)
3774 {
3775 /* The .dynbss section is a place to put symbols which are defined
3776 by dynamic objects, are referenced by regular objects, and are
3777 not functions. We must allocate space for them in the process
3778 image and use a R_*_COPY reloc to tell the dynamic linker to
3779 initialize them at run time. The linker script puts the .dynbss
3780 section into the .bss section of the final image. */
3781 s = bfd_make_section_with_flags (abfd, ".dynbss",
3782 SEC_ALLOC | SEC_LINKER_CREATED);
3783 htab->sdynbss = s;
3784 if (s == NULL)
3785 return FALSE;
3786
3787 /* The .rel[a].bss section holds copy relocs. This section is not
3788 normally needed. We need to create it here, though, so that the
3789 linker will map it to an output section. We can't just create it
3790 only if we need it, because we will not know whether we need it
3791 until we have seen all the input files, and the first time the
3792 main linker code calls BFD after examining all the input files
3793 (size_dynamic_sections) the input sections have already been
3794 mapped to the output sections. If the section turns out not to
3795 be needed, we can discard it later. We will never need this
3796 section when generating a shared object, since they do not use
3797 copy relocs. */
3798 if (! info->shared)
3799 {
3800 s = bfd_make_section_with_flags (abfd,
3801 (bed->default_use_rela_p
3802 ? ".rela.bss" : ".rel.bss"),
3803 flags | SEC_READONLY);
3804 htab->srelbss = s;
3805 if (s == NULL
3806 || ! bfd_set_section_alignment (abfd, s, ptralign))
3807 return FALSE;
3808 }
3809 }
3810
3811 return TRUE;
3812 }
3813 \f
3814 /* Adjust a symbol defined by a dynamic object and referenced by a
3815 regular object. The current definition is in some section of the
3816 dynamic object, but we're not including those sections. We have to
3817 change the definition to something the rest of the link can
3818 understand. */
3819
3820 static bfd_boolean
3821 sh_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
3822 struct elf_link_hash_entry *h)
3823 {
3824 struct elf_sh_link_hash_table *htab;
3825 struct elf_sh_link_hash_entry *eh;
3826 struct elf_sh_dyn_relocs *p;
3827 asection *s;
3828 unsigned int power_of_two;
3829
3830 htab = sh_elf_hash_table (info);
3831
3832 /* Make sure we know what is going on here. */
3833 BFD_ASSERT (htab->root.dynobj != NULL
3834 && (h->needs_plt
3835 || h->u.weakdef != NULL
3836 || (h->def_dynamic
3837 && h->ref_regular
3838 && !h->def_regular)));
3839
3840 /* If this is a function, put it in the procedure linkage table. We
3841 will fill in the contents of the procedure linkage table later,
3842 when we know the address of the .got section. */
3843 if (h->type == STT_FUNC
3844 || h->needs_plt)
3845 {
3846 if (h->plt.refcount <= 0
3847 || SYMBOL_CALLS_LOCAL (info, h)
3848 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
3849 && h->root.type == bfd_link_hash_undefweak))
3850 {
3851 /* This case can occur if we saw a PLT reloc in an input
3852 file, but the symbol was never referred to by a dynamic
3853 object. In such a case, we don't actually need to build
3854 a procedure linkage table, and we can just do a REL32
3855 reloc instead. */
3856 h->plt.offset = (bfd_vma) -1;
3857 h->needs_plt = 0;
3858 }
3859
3860 return TRUE;
3861 }
3862 else
3863 h->plt.offset = (bfd_vma) -1;
3864
3865 /* If this is a weak symbol, and there is a real definition, the
3866 processor independent code will have arranged for us to see the
3867 real definition first, and we can just use the same value. */
3868 if (h->u.weakdef != NULL)
3869 {
3870 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
3871 || h->u.weakdef->root.type == bfd_link_hash_defweak);
3872 h->root.u.def.section = h->u.weakdef->root.u.def.section;
3873 h->root.u.def.value = h->u.weakdef->root.u.def.value;
3874 if (info->nocopyreloc)
3875 h->non_got_ref = h->u.weakdef->non_got_ref;
3876 return TRUE;
3877 }
3878
3879 /* This is a reference to a symbol defined by a dynamic object which
3880 is not a function. */
3881
3882 /* If we are creating a shared library, we must presume that the
3883 only references to the symbol are via the global offset table.
3884 For such cases we need not do anything here; the relocations will
3885 be handled correctly by relocate_section. */
3886 if (info->shared)
3887 return TRUE;
3888
3889 /* If there are no references to this symbol that do not use the
3890 GOT, we don't need to generate a copy reloc. */
3891 if (!h->non_got_ref)
3892 return TRUE;
3893
3894 /* If -z nocopyreloc was given, we won't generate them either. */
3895 if (info->nocopyreloc)
3896 {
3897 h->non_got_ref = 0;
3898 return TRUE;
3899 }
3900
3901 eh = (struct elf_sh_link_hash_entry *) h;
3902 for (p = eh->dyn_relocs; p != NULL; p = p->next)
3903 {
3904 s = p->sec->output_section;
3905 if (s != NULL && (s->flags & (SEC_READONLY | SEC_HAS_CONTENTS)) != 0)
3906 break;
3907 }
3908
3909 /* If we didn't find any dynamic relocs in sections which needs the
3910 copy reloc, then we'll be keeping the dynamic relocs and avoiding
3911 the copy reloc. */
3912 if (p == NULL)
3913 {
3914 h->non_got_ref = 0;
3915 return TRUE;
3916 }
3917
3918 /* We must allocate the symbol in our .dynbss section, which will
3919 become part of the .bss section of the executable. There will be
3920 an entry for this symbol in the .dynsym section. The dynamic
3921 object will contain position independent code, so all references
3922 from the dynamic object to this symbol will go through the global
3923 offset table. The dynamic linker will use the .dynsym entry to
3924 determine the address it must put in the global offset table, so
3925 both the dynamic object and the regular object will refer to the
3926 same memory location for the variable. */
3927
3928 s = htab->sdynbss;
3929 BFD_ASSERT (s != NULL);
3930
3931 /* We must generate a R_SH_COPY reloc to tell the dynamic linker to
3932 copy the initial value out of the dynamic object and into the
3933 runtime process image. We need to remember the offset into the
3934 .rela.bss section we are going to use. */
3935 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
3936 {
3937 asection *srel;
3938
3939 srel = htab->srelbss;
3940 BFD_ASSERT (srel != NULL);
3941 srel->size += sizeof (Elf32_External_Rela);
3942 h->needs_copy = 1;
3943 }
3944
3945 /* We need to figure out the alignment required for this symbol. I
3946 have no idea how ELF linkers handle this. */
3947 power_of_two = bfd_log2 (h->size);
3948 if (power_of_two > 3)
3949 power_of_two = 3;
3950
3951 /* Apply the required alignment. */
3952 s->size = BFD_ALIGN (s->size, (bfd_size_type) (1 << power_of_two));
3953 if (power_of_two > bfd_get_section_alignment (htab->root.dynobj, s))
3954 {
3955 if (! bfd_set_section_alignment (htab->root.dynobj, s, power_of_two))
3956 return FALSE;
3957 }
3958
3959 /* Define the symbol as being at this point in the section. */
3960 h->root.u.def.section = s;
3961 h->root.u.def.value = s->size;
3962
3963 /* Increment the section size to make room for the symbol. */
3964 s->size += h->size;
3965
3966 return TRUE;
3967 }
3968
3969 /* Allocate space in .plt, .got and associated reloc sections for
3970 dynamic relocs. */
3971
3972 static bfd_boolean
3973 allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
3974 {
3975 struct bfd_link_info *info;
3976 struct elf_sh_link_hash_table *htab;
3977 struct elf_sh_link_hash_entry *eh;
3978 struct elf_sh_dyn_relocs *p;
3979
3980 if (h->root.type == bfd_link_hash_indirect)
3981 return TRUE;
3982
3983 if (h->root.type == bfd_link_hash_warning)
3984 /* When warning symbols are created, they **replace** the "real"
3985 entry in the hash table, thus we never get to see the real
3986 symbol in a hash traversal. So look at it now. */
3987 h = (struct elf_link_hash_entry *) h->root.u.i.link;
3988
3989 info = (struct bfd_link_info *) inf;
3990 htab = sh_elf_hash_table (info);
3991
3992 eh = (struct elf_sh_link_hash_entry *) h;
3993 if ((h->got.refcount > 0
3994 || h->forced_local)
3995 && eh->gotplt_refcount > 0)
3996 {
3997 /* The symbol has been forced local, or we have some direct got refs,
3998 so treat all the gotplt refs as got refs. */
3999 h->got.refcount += eh->gotplt_refcount;
4000 if (h->plt.refcount >= eh->gotplt_refcount)
4001 h->plt.refcount -= eh->gotplt_refcount;
4002 }
4003
4004 if (htab->root.dynamic_sections_created
4005 && h->plt.refcount > 0
4006 && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
4007 || h->root.type != bfd_link_hash_undefweak))
4008 {
4009 /* Make sure this symbol is output as a dynamic symbol.
4010 Undefined weak syms won't yet be marked as dynamic. */
4011 if (h->dynindx == -1
4012 && !h->forced_local)
4013 {
4014 if (! bfd_elf_link_record_dynamic_symbol (info, h))
4015 return FALSE;
4016 }
4017
4018 if (info->shared
4019 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h))
4020 {
4021 asection *s = htab->splt;
4022
4023 /* If this is the first .plt entry, make room for the special
4024 first entry. */
4025 if (s->size == 0)
4026 s->size += PLT_ENTRY_SIZE;
4027
4028 h->plt.offset = s->size;
4029
4030 /* If this symbol is not defined in a regular file, and we are
4031 not generating a shared library, then set the symbol to this
4032 location in the .plt. This is required to make function
4033 pointers compare as equal between the normal executable and
4034 the shared library. */
4035 if (! info->shared
4036 && !h->def_regular)
4037 {
4038 h->root.u.def.section = s;
4039 h->root.u.def.value = h->plt.offset;
4040 }
4041
4042 /* Make room for this entry. */
4043 s->size += PLT_ENTRY_SIZE;
4044
4045 /* We also need to make an entry in the .got.plt section, which
4046 will be placed in the .got section by the linker script. */
4047 htab->sgotplt->size += 4;
4048
4049 /* We also need to make an entry in the .rel.plt section. */
4050 htab->srelplt->size += sizeof (Elf32_External_Rela);
4051 }
4052 else
4053 {
4054 h->plt.offset = (bfd_vma) -1;
4055 h->needs_plt = 0;
4056 }
4057 }
4058 else
4059 {
4060 h->plt.offset = (bfd_vma) -1;
4061 h->needs_plt = 0;
4062 }
4063
4064 if (h->got.refcount > 0)
4065 {
4066 asection *s;
4067 bfd_boolean dyn;
4068 int tls_type = sh_elf_hash_entry (h)->tls_type;
4069
4070 /* Make sure this symbol is output as a dynamic symbol.
4071 Undefined weak syms won't yet be marked as dynamic. */
4072 if (h->dynindx == -1
4073 && !h->forced_local)
4074 {
4075 if (! bfd_elf_link_record_dynamic_symbol (info, h))
4076 return FALSE;
4077 }
4078
4079 s = htab->sgot;
4080 h->got.offset = s->size;
4081 s->size += 4;
4082 /* R_SH_TLS_GD needs 2 consecutive GOT slots. */
4083 if (tls_type == GOT_TLS_GD)
4084 s->size += 4;
4085 dyn = htab->root.dynamic_sections_created;
4086 /* R_SH_TLS_IE_32 needs one dynamic relocation if dynamic,
4087 R_SH_TLS_GD needs one if local symbol and two if global. */
4088 if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
4089 || (tls_type == GOT_TLS_IE && dyn))
4090 htab->srelgot->size += sizeof (Elf32_External_Rela);
4091 else if (tls_type == GOT_TLS_GD)
4092 htab->srelgot->size += 2 * sizeof (Elf32_External_Rela);
4093 else if ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
4094 || h->root.type != bfd_link_hash_undefweak)
4095 && (info->shared
4096 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h)))
4097 htab->srelgot->size += sizeof (Elf32_External_Rela);
4098 }
4099 else
4100 h->got.offset = (bfd_vma) -1;
4101
4102 #ifdef INCLUDE_SHMEDIA
4103 if (eh->datalabel_got.refcount > 0)
4104 {
4105 asection *s;
4106 bfd_boolean dyn;
4107
4108 /* Make sure this symbol is output as a dynamic symbol.
4109 Undefined weak syms won't yet be marked as dynamic. */
4110 if (h->dynindx == -1
4111 && !h->forced_local)
4112 {
4113 if (! bfd_elf_link_record_dynamic_symbol (info, h))
4114 return FALSE;
4115 }
4116
4117 s = htab->sgot;
4118 eh->datalabel_got.offset = s->size;
4119 s->size += 4;
4120 dyn = htab->root.dynamic_sections_created;
4121 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h))
4122 htab->srelgot->size += sizeof (Elf32_External_Rela);
4123 }
4124 else
4125 eh->datalabel_got.offset = (bfd_vma) -1;
4126 #endif
4127
4128 if (eh->dyn_relocs == NULL)
4129 return TRUE;
4130
4131 /* In the shared -Bsymbolic case, discard space allocated for
4132 dynamic pc-relative relocs against symbols which turn out to be
4133 defined in regular objects. For the normal shared case, discard
4134 space for pc-relative relocs that have become local due to symbol
4135 visibility changes. */
4136
4137 if (info->shared)
4138 {
4139 if (SYMBOL_CALLS_LOCAL (info, h))
4140 {
4141 struct elf_sh_dyn_relocs **pp;
4142
4143 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
4144 {
4145 p->count -= p->pc_count;
4146 p->pc_count = 0;
4147 if (p->count == 0)
4148 *pp = p->next;
4149 else
4150 pp = &p->next;
4151 }
4152 }
4153
4154 /* Also discard relocs on undefined weak syms with non-default
4155 visibility. */
4156 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
4157 && h->root.type == bfd_link_hash_undefweak)
4158 eh->dyn_relocs = NULL;
4159 }
4160 else
4161 {
4162 /* For the non-shared case, discard space for relocs against
4163 symbols which turn out to need copy relocs or are not
4164 dynamic. */
4165
4166 if (!h->non_got_ref
4167 && ((h->def_dynamic
4168 && !h->def_regular)
4169 || (htab->root.dynamic_sections_created
4170 && (h->root.type == bfd_link_hash_undefweak
4171 || h->root.type == bfd_link_hash_undefined))))
4172 {
4173 /* Make sure this symbol is output as a dynamic symbol.
4174 Undefined weak syms won't yet be marked as dynamic. */
4175 if (h->dynindx == -1
4176 && !h->forced_local)
4177 {
4178 if (! bfd_elf_link_record_dynamic_symbol (info, h))
4179 return FALSE;
4180 }
4181
4182 /* If that succeeded, we know we'll be keeping all the
4183 relocs. */
4184 if (h->dynindx != -1)
4185 goto keep;
4186 }
4187
4188 eh->dyn_relocs = NULL;
4189
4190 keep: ;
4191 }
4192
4193 /* Finally, allocate space. */
4194 for (p = eh->dyn_relocs; p != NULL; p = p->next)
4195 {
4196 asection *sreloc = elf_section_data (p->sec)->sreloc;
4197 sreloc->size += p->count * sizeof (Elf32_External_Rela);
4198 }
4199
4200 return TRUE;
4201 }
4202
4203 /* Find any dynamic relocs that apply to read-only sections. */
4204
4205 static bfd_boolean
4206 readonly_dynrelocs (struct elf_link_hash_entry *h, void *inf)
4207 {
4208 struct elf_sh_link_hash_entry *eh;
4209 struct elf_sh_dyn_relocs *p;
4210
4211 if (h->root.type == bfd_link_hash_warning)
4212 h = (struct elf_link_hash_entry *) h->root.u.i.link;
4213
4214 eh = (struct elf_sh_link_hash_entry *) h;
4215 for (p = eh->dyn_relocs; p != NULL; p = p->next)
4216 {
4217 asection *s = p->sec->output_section;
4218
4219 if (s != NULL && (s->flags & SEC_READONLY) != 0)
4220 {
4221 struct bfd_link_info *info = (struct bfd_link_info *) inf;
4222
4223 info->flags |= DF_TEXTREL;
4224
4225 /* Not an error, just cut short the traversal. */
4226 return FALSE;
4227 }
4228 }
4229 return TRUE;
4230 }
4231
4232 /* Set the sizes of the dynamic sections. */
4233
4234 static bfd_boolean
4235 sh_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
4236 struct bfd_link_info *info)
4237 {
4238 struct elf_sh_link_hash_table *htab;
4239 bfd *dynobj;
4240 asection *s;
4241 bfd_boolean relocs;
4242 bfd *ibfd;
4243
4244 htab = sh_elf_hash_table (info);
4245 dynobj = htab->root.dynobj;
4246 BFD_ASSERT (dynobj != NULL);
4247
4248 if (htab->root.dynamic_sections_created)
4249 {
4250 /* Set the contents of the .interp section to the interpreter. */
4251 if (info->executable)
4252 {
4253 s = bfd_get_section_by_name (dynobj, ".interp");
4254 BFD_ASSERT (s != NULL);
4255 s->size = sizeof ELF_DYNAMIC_INTERPRETER;
4256 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
4257 }
4258 }
4259
4260 /* Set up .got offsets for local syms, and space for local dynamic
4261 relocs. */
4262 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
4263 {
4264 bfd_signed_vma *local_got;
4265 bfd_signed_vma *end_local_got;
4266 char *local_tls_type;
4267 bfd_size_type locsymcount;
4268 Elf_Internal_Shdr *symtab_hdr;
4269 asection *srel;
4270
4271 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour)
4272 continue;
4273
4274 for (s = ibfd->sections; s != NULL; s = s->next)
4275 {
4276 struct elf_sh_dyn_relocs *p;
4277
4278 for (p = ((struct elf_sh_dyn_relocs *)
4279 elf_section_data (s)->local_dynrel);
4280 p != NULL;
4281 p = p->next)
4282 {
4283 if (! bfd_is_abs_section (p->sec)
4284 && bfd_is_abs_section (p->sec->output_section))
4285 {
4286 /* Input section has been discarded, either because
4287 it is a copy of a linkonce section or due to
4288 linker script /DISCARD/, so we'll be discarding
4289 the relocs too. */
4290 }
4291 else if (p->count != 0)
4292 {
4293 srel = elf_section_data (p->sec)->sreloc;
4294 srel->size += p->count * sizeof (Elf32_External_Rela);
4295 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
4296 info->flags |= DF_TEXTREL;
4297 }
4298 }
4299 }
4300
4301 local_got = elf_local_got_refcounts (ibfd);
4302 if (!local_got)
4303 continue;
4304
4305 symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
4306 locsymcount = symtab_hdr->sh_info;
4307 #ifdef INCLUDE_SHMEDIA
4308 /* Count datalabel local GOT. */
4309 locsymcount *= 2;
4310 #endif
4311 end_local_got = local_got + locsymcount;
4312 local_tls_type = sh_elf_local_got_tls_type (ibfd);
4313 s = htab->sgot;
4314 srel = htab->srelgot;
4315 for (; local_got < end_local_got; ++local_got)
4316 {
4317 if (*local_got > 0)
4318 {
4319 *local_got = s->size;
4320 s->size += 4;
4321 if (*local_tls_type == GOT_TLS_GD)
4322 s->size += 4;
4323 if (info->shared)
4324 srel->size += sizeof (Elf32_External_Rela);
4325 }
4326 else
4327 *local_got = (bfd_vma) -1;
4328 ++local_tls_type;
4329 }
4330 }
4331
4332 if (htab->tls_ldm_got.refcount > 0)
4333 {
4334 /* Allocate 2 got entries and 1 dynamic reloc for R_SH_TLS_LD_32
4335 relocs. */
4336 htab->tls_ldm_got.offset = htab->sgot->size;
4337 htab->sgot->size += 8;
4338 htab->srelgot->size += sizeof (Elf32_External_Rela);
4339 }
4340 else
4341 htab->tls_ldm_got.offset = -1;
4342
4343 /* Allocate global sym .plt and .got entries, and space for global
4344 sym dynamic relocs. */
4345 elf_link_hash_traverse (&htab->root, allocate_dynrelocs, info);
4346
4347 /* We now have determined the sizes of the various dynamic sections.
4348 Allocate memory for them. */
4349 relocs = FALSE;
4350 for (s = dynobj->sections; s != NULL; s = s->next)
4351 {
4352 if ((s->flags & SEC_LINKER_CREATED) == 0)
4353 continue;
4354
4355 if (s == htab->splt
4356 || s == htab->sgot
4357 || s == htab->sgotplt
4358 || s == htab->sdynbss)
4359 {
4360 /* Strip this section if we don't need it; see the
4361 comment below. */
4362 }
4363 else if (strncmp (bfd_get_section_name (dynobj, s), ".rela", 5) == 0)
4364 {
4365 if (s->size != 0 && s != htab->srelplt)
4366 relocs = TRUE;
4367
4368 /* We use the reloc_count field as a counter if we need
4369 to copy relocs into the output file. */
4370 s->reloc_count = 0;
4371 }
4372 else
4373 {
4374 /* It's not one of our sections, so don't allocate space. */
4375 continue;
4376 }
4377
4378 if (s->size == 0)
4379 {
4380 /* If we don't need this section, strip it from the
4381 output file. This is mostly to handle .rela.bss and
4382 .rela.plt. We must create both sections in
4383 create_dynamic_sections, because they must be created
4384 before the linker maps input sections to output
4385 sections. The linker does that before
4386 adjust_dynamic_symbol is called, and it is that
4387 function which decides whether anything needs to go
4388 into these sections. */
4389
4390 s->flags |= SEC_EXCLUDE;
4391 continue;
4392 }
4393
4394 if ((s->flags & SEC_HAS_CONTENTS) == 0)
4395 continue;
4396
4397 /* Allocate memory for the section contents. We use bfd_zalloc
4398 here in case unused entries are not reclaimed before the
4399 section's contents are written out. This should not happen,
4400 but this way if it does, we get a R_SH_NONE reloc instead
4401 of garbage. */
4402 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
4403 if (s->contents == NULL)
4404 return FALSE;
4405 }
4406
4407 if (htab->root.dynamic_sections_created)
4408 {
4409 /* Add some entries to the .dynamic section. We fill in the
4410 values later, in sh_elf_finish_dynamic_sections, but we
4411 must add the entries now so that we get the correct size for
4412 the .dynamic section. The DT_DEBUG entry is filled in by the
4413 dynamic linker and used by the debugger. */
4414 #define add_dynamic_entry(TAG, VAL) \
4415 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
4416
4417 if (info->executable)
4418 {
4419 if (! add_dynamic_entry (DT_DEBUG, 0))
4420 return FALSE;
4421 }
4422
4423 if (htab->splt->size != 0)
4424 {
4425 if (! add_dynamic_entry (DT_PLTGOT, 0)
4426 || ! add_dynamic_entry (DT_PLTRELSZ, 0)
4427 || ! add_dynamic_entry (DT_PLTREL, DT_RELA)
4428 || ! add_dynamic_entry (DT_JMPREL, 0))
4429 return FALSE;
4430 }
4431
4432 if (relocs)
4433 {
4434 if (! add_dynamic_entry (DT_RELA, 0)
4435 || ! add_dynamic_entry (DT_RELASZ, 0)
4436 || ! add_dynamic_entry (DT_RELAENT,
4437 sizeof (Elf32_External_Rela)))
4438 return FALSE;
4439
4440 /* If any dynamic relocs apply to a read-only section,
4441 then we need a DT_TEXTREL entry. */
4442 if ((info->flags & DF_TEXTREL) == 0)
4443 elf_link_hash_traverse (&htab->root, readonly_dynrelocs, info);
4444
4445 if ((info->flags & DF_TEXTREL) != 0)
4446 {
4447 if (! add_dynamic_entry (DT_TEXTREL, 0))
4448 return FALSE;
4449 }
4450 }
4451 }
4452 #undef add_dynamic_entry
4453
4454 return TRUE;
4455 }
4456 \f
4457 /* Relocate an SH ELF section. */
4458
4459 static bfd_boolean
4460 sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
4461 bfd *input_bfd, asection *input_section,
4462 bfd_byte *contents, Elf_Internal_Rela *relocs,
4463 Elf_Internal_Sym *local_syms,
4464 asection **local_sections)
4465 {
4466 struct elf_sh_link_hash_table *htab;
4467 Elf_Internal_Shdr *symtab_hdr;
4468 struct elf_link_hash_entry **sym_hashes;
4469 Elf_Internal_Rela *rel, *relend;
4470 bfd *dynobj;
4471 bfd_vma *local_got_offsets;
4472 asection *sgot;
4473 asection *sgotplt;
4474 asection *splt;
4475 asection *sreloc;
4476 asection *srelgot;
4477
4478 htab = sh_elf_hash_table (info);
4479 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
4480 sym_hashes = elf_sym_hashes (input_bfd);
4481 dynobj = htab->root.dynobj;
4482 local_got_offsets = elf_local_got_offsets (input_bfd);
4483
4484 sgot = htab->sgot;
4485 sgotplt = htab->sgotplt;
4486 splt = htab->splt;
4487 sreloc = NULL;
4488 srelgot = NULL;
4489
4490 rel = relocs;
4491 relend = relocs + input_section->reloc_count;
4492 for (; rel < relend; rel++)
4493 {
4494 int r_type;
4495 reloc_howto_type *howto;
4496 unsigned long r_symndx;
4497 Elf_Internal_Sym *sym;
4498 asection *sec;
4499 struct elf_link_hash_entry *h;
4500 bfd_vma relocation;
4501 bfd_vma addend = (bfd_vma) 0;
4502 bfd_reloc_status_type r;
4503 int seen_stt_datalabel = 0;
4504 bfd_vma off;
4505 int tls_type;
4506
4507 r_symndx = ELF32_R_SYM (rel->r_info);
4508
4509 r_type = ELF32_R_TYPE (rel->r_info);
4510
4511 /* Many of the relocs are only used for relaxing, and are
4512 handled entirely by the relaxation code. */
4513 if (r_type >= (int) R_SH_GNU_VTINHERIT
4514 && r_type <= (int) R_SH_LABEL)
4515 continue;
4516 if (r_type == (int) R_SH_NONE)
4517 continue;
4518
4519 if (r_type < 0
4520 || r_type >= R_SH_max
4521 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC
4522 && r_type <= (int) R_SH_LAST_INVALID_RELOC)
4523 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_3
4524 && r_type <= (int) R_SH_LAST_INVALID_RELOC_3)
4525 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_4
4526 && r_type <= (int) R_SH_LAST_INVALID_RELOC_4)
4527 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_5
4528 && r_type <= (int) R_SH_LAST_INVALID_RELOC_5)
4529 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC_2
4530 && r_type <= (int) R_SH_LAST_INVALID_RELOC_2))
4531 {
4532 bfd_set_error (bfd_error_bad_value);
4533 return FALSE;
4534 }
4535
4536 howto = sh_elf_howto_table + r_type;
4537
4538 /* For relocs that aren't partial_inplace, we get the addend from
4539 the relocation. */
4540 if (! howto->partial_inplace)
4541 addend = rel->r_addend;
4542
4543 h = NULL;
4544 sym = NULL;
4545 sec = NULL;
4546 if (r_symndx < symtab_hdr->sh_info)
4547 {
4548 sym = local_syms + r_symndx;
4549 sec = local_sections[r_symndx];
4550 relocation = (sec->output_section->vma
4551 + sec->output_offset
4552 + sym->st_value);
4553 /* A local symbol never has STO_SH5_ISA32, so we don't need
4554 datalabel processing here. Make sure this does not change
4555 without notice. */
4556 if ((sym->st_other & STO_SH5_ISA32) != 0)
4557 ((*info->callbacks->reloc_dangerous)
4558 (info,
4559 _("Unexpected STO_SH5_ISA32 on local symbol is not handled"),
4560 input_bfd, input_section, rel->r_offset));
4561 if (info->relocatable)
4562 {
4563 /* This is a relocatable link. We don't have to change
4564 anything, unless the reloc is against a section symbol,
4565 in which case we have to adjust according to where the
4566 section symbol winds up in the output section. */
4567 sym = local_syms + r_symndx;
4568 if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
4569 {
4570 if (! howto->partial_inplace)
4571 {
4572 /* For relocations with the addend in the
4573 relocation, we need just to update the addend.
4574 All real relocs are of type partial_inplace; this
4575 code is mostly for completeness. */
4576 rel->r_addend += sec->output_offset + sym->st_value;
4577
4578 continue;
4579 }
4580
4581 /* Relocs of type partial_inplace need to pick up the
4582 contents in the contents and add the offset resulting
4583 from the changed location of the section symbol.
4584 Using _bfd_final_link_relocate (e.g. goto
4585 final_link_relocate) here would be wrong, because
4586 relocations marked pc_relative would get the current
4587 location subtracted, and we must only do that at the
4588 final link. */
4589 r = _bfd_relocate_contents (howto, input_bfd,
4590 sec->output_offset
4591 + sym->st_value,
4592 contents + rel->r_offset);
4593 goto relocation_done;
4594 }
4595
4596 continue;
4597 }
4598 else if (! howto->partial_inplace)
4599 {
4600 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
4601 addend = rel->r_addend;
4602 }
4603 else if ((sec->flags & SEC_MERGE)
4604 && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
4605 {
4606 asection *msec;
4607
4608 if (howto->rightshift || howto->src_mask != 0xffffffff)
4609 {
4610 (*_bfd_error_handler)
4611 (_("%B(%A+0x%lx): %s relocation against SEC_MERGE section"),
4612 input_bfd, input_section,
4613 (long) rel->r_offset, howto->name);
4614 return FALSE;
4615 }
4616
4617 addend = bfd_get_32 (input_bfd, contents + rel->r_offset);
4618 msec = sec;
4619 addend =
4620 _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend)
4621 - relocation;
4622 addend += msec->output_section->vma + msec->output_offset;
4623 bfd_put_32 (input_bfd, addend, contents + rel->r_offset);
4624 addend = 0;
4625 }
4626 }
4627 else
4628 {
4629 /* FIXME: Ought to make use of the RELOC_FOR_GLOBAL_SYMBOL macro. */
4630
4631 /* Section symbol are never (?) placed in the hash table, so
4632 we can just ignore hash relocations when creating a
4633 relocatable object file. */
4634 if (info->relocatable)
4635 continue;
4636
4637 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
4638 while (h->root.type == bfd_link_hash_indirect
4639 || h->root.type == bfd_link_hash_warning)
4640 {
4641 #ifdef INCLUDE_SHMEDIA
4642 /* If the reference passes a symbol marked with
4643 STT_DATALABEL, then any STO_SH5_ISA32 on the final value
4644 doesn't count. */
4645 seen_stt_datalabel |= h->type == STT_DATALABEL;
4646 #endif
4647 h = (struct elf_link_hash_entry *) h->root.u.i.link;
4648 }
4649 if (h->root.type == bfd_link_hash_defined
4650 || h->root.type == bfd_link_hash_defweak)
4651 {
4652 bfd_boolean dyn;
4653
4654 dyn = htab->root.dynamic_sections_created;
4655 sec = h->root.u.def.section;
4656 /* In these cases, we don't need the relocation value.
4657 We check specially because in some obscure cases
4658 sec->output_section will be NULL. */
4659 if (r_type == R_SH_GOTPC
4660 || r_type == R_SH_GOTPC_LOW16
4661 || r_type == R_SH_GOTPC_MEDLOW16
4662 || r_type == R_SH_GOTPC_MEDHI16
4663 || r_type == R_SH_GOTPC_HI16
4664 || ((r_type == R_SH_PLT32
4665 || r_type == R_SH_PLT_LOW16
4666 || r_type == R_SH_PLT_MEDLOW16
4667 || r_type == R_SH_PLT_MEDHI16
4668 || r_type == R_SH_PLT_HI16)
4669 && h->plt.offset != (bfd_vma) -1)
4670 || ((r_type == R_SH_GOT32
4671 || r_type == R_SH_GOT_LOW16
4672 || r_type == R_SH_GOT_MEDLOW16
4673 || r_type == R_SH_GOT_MEDHI16
4674 || r_type == R_SH_GOT_HI16)
4675 && WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
4676 && (! info->shared
4677 || (! info->symbolic && h->dynindx != -1)
4678 || !h->def_regular))
4679 /* The cases above are those in which relocation is
4680 overwritten in the switch block below. The cases
4681 below are those in which we must defer relocation
4682 to run-time, because we can't resolve absolute
4683 addresses when creating a shared library. */
4684 || (info->shared
4685 && ((! info->symbolic && h->dynindx != -1)
4686 || !h->def_regular)
4687 && ((r_type == R_SH_DIR32
4688 && !h->forced_local)
4689 || r_type == R_SH_REL32)
4690 && ((input_section->flags & SEC_ALLOC) != 0
4691 /* DWARF will emit R_SH_DIR32 relocations in its
4692 sections against symbols defined externally
4693 in shared libraries. We can't do anything
4694 with them here. */
4695 || ((input_section->flags & SEC_DEBUGGING) != 0
4696 && h->def_dynamic)))
4697 /* Dynamic relocs are not propagated for SEC_DEBUGGING
4698 sections because such sections are not SEC_ALLOC and
4699 thus ld.so will not process them. */
4700 || (sec->output_section == NULL
4701 && ((input_section->flags & SEC_DEBUGGING) != 0
4702 && h->def_dynamic))
4703 || (sec->output_section == NULL
4704 && (sh_elf_hash_entry (h)->tls_type == GOT_TLS_IE
4705 || sh_elf_hash_entry (h)->tls_type == GOT_TLS_GD)))
4706 relocation = 0;
4707 else if (sec->output_section == NULL)
4708 {
4709 (*_bfd_error_handler)
4710 (_("%B(%A): unresolvable relocation against symbol `%s'"),
4711 input_bfd, input_section, h->root.root.string);
4712 return FALSE;
4713 }
4714 else
4715 relocation = ((h->root.u.def.value
4716 + sec->output_section->vma
4717 + sec->output_offset)
4718 /* A STO_SH5_ISA32 causes a "bitor 1" to the
4719 symbol value, unless we've seen
4720 STT_DATALABEL on the way to it. */
4721 | ((h->other & STO_SH5_ISA32) != 0
4722 && ! seen_stt_datalabel));
4723 }
4724 else if (h->root.type == bfd_link_hash_undefweak)
4725 relocation = 0;
4726 else if (info->unresolved_syms_in_objects == RM_IGNORE
4727 && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
4728 relocation = 0;
4729 else
4730 {
4731 if (! info->callbacks->undefined_symbol
4732 (info, h->root.root.string, input_bfd,
4733 input_section, rel->r_offset,
4734 (info->unresolved_syms_in_objects == RM_GENERATE_ERROR
4735 || ELF_ST_VISIBILITY (h->other))))
4736 return FALSE;
4737 relocation = 0;
4738 }
4739 }
4740
4741 switch ((int) r_type)
4742 {
4743 final_link_relocate:
4744 /* COFF relocs don't use the addend. The addend is used for
4745 R_SH_DIR32 to be compatible with other compilers. */
4746 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
4747 contents, rel->r_offset,
4748 relocation, addend);
4749 break;
4750
4751 case R_SH_IND12W:
4752 goto final_link_relocate;
4753
4754 case R_SH_DIR8WPN:
4755 case R_SH_DIR8WPZ:
4756 case R_SH_DIR8WPL:
4757 /* If the reloc is against the start of this section, then
4758 the assembler has already taken care of it and the reloc
4759 is here only to assist in relaxing. If the reloc is not
4760 against the start of this section, then it's against an
4761 external symbol and we must deal with it ourselves. */
4762 if (input_section->output_section->vma + input_section->output_offset
4763 != relocation)
4764 {
4765 int disp = (relocation
4766 - input_section->output_section->vma
4767 - input_section->output_offset
4768 - rel->r_offset);
4769 int mask = 0;
4770 switch (r_type)
4771 {
4772 case R_SH_DIR8WPN:
4773 case R_SH_DIR8WPZ: mask = 1; break;
4774 case R_SH_DIR8WPL: mask = 3; break;
4775 default: mask = 0; break;
4776 }
4777 if (disp & mask)
4778 {
4779 ((*_bfd_error_handler)
4780 (_("%B: 0x%lx: fatal: unaligned branch target for relax-support relocation"),
4781 input_section->owner,
4782 (unsigned long) rel->r_offset));
4783 bfd_set_error (bfd_error_bad_value);
4784 return FALSE;
4785 }
4786 relocation -= 4;
4787 goto final_link_relocate;
4788 }
4789 r = bfd_reloc_ok;
4790 break;
4791
4792 default:
4793 #ifdef INCLUDE_SHMEDIA
4794 if (shmedia_prepare_reloc (info, input_bfd, input_section,
4795 contents, rel, &relocation))
4796 goto final_link_relocate;
4797 #endif
4798 bfd_set_error (bfd_error_bad_value);
4799 return FALSE;
4800
4801 case R_SH_DIR16:
4802 case R_SH_DIR8:
4803 case R_SH_DIR8U:
4804 case R_SH_DIR8S:
4805 case R_SH_DIR4U:
4806 goto final_link_relocate;
4807
4808 case R_SH_DIR8UL:
4809 case R_SH_DIR4UL:
4810 if (relocation & 3)
4811 {
4812 ((*_bfd_error_handler)
4813 (_("%B: 0x%lx: fatal: unaligned %s relocation 0x%lx"),
4814 input_section->owner,
4815 (unsigned long) rel->r_offset, howto->name,
4816 (unsigned long) relocation));
4817 bfd_set_error (bfd_error_bad_value);
4818 return FALSE;
4819 }
4820 goto final_link_relocate;
4821
4822 case R_SH_DIR8UW:
4823 case R_SH_DIR8SW:
4824 case R_SH_DIR4UW:
4825 if (relocation & 1)
4826 {
4827 ((*_bfd_error_handler)
4828 (_("%B: 0x%lx: fatal: unaligned %s relocation 0x%lx"),
4829 input_section->owner,
4830 (unsigned long) rel->r_offset, howto->name,
4831 (unsigned long) relocation));
4832 bfd_set_error (bfd_error_bad_value);
4833 return FALSE;
4834 }
4835 goto final_link_relocate;
4836
4837 case R_SH_PSHA:
4838 if ((signed int)relocation < -32
4839 || (signed int)relocation > 32)
4840 {
4841 ((*_bfd_error_handler)
4842 (_("%B: 0x%lx: fatal: R_SH_PSHA relocation %d not in range -32..32"),
4843 input_section->owner,
4844 (unsigned long) rel->r_offset,
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_PSHL:
4852 if ((signed int)relocation < -16
4853 || (signed int)relocation > 16)
4854 {
4855 ((*_bfd_error_handler)
4856 (_("%B: 0x%lx: fatal: R_SH_PSHL relocation %d not in range -32..32"),
4857 input_section->owner,
4858 (unsigned long) rel->r_offset,
4859 (unsigned long) relocation));
4860 bfd_set_error (bfd_error_bad_value);
4861 return FALSE;
4862 }
4863 goto final_link_relocate;
4864
4865 case R_SH_DIR32:
4866 case R_SH_REL32:
4867 #ifdef INCLUDE_SHMEDIA
4868 case R_SH_IMM_LOW16_PCREL:
4869 case R_SH_IMM_MEDLOW16_PCREL:
4870 case R_SH_IMM_MEDHI16_PCREL:
4871 case R_SH_IMM_HI16_PCREL:
4872 #endif
4873 if (info->shared
4874 && (h == NULL
4875 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
4876 || h->root.type != bfd_link_hash_undefweak)
4877 && r_symndx != 0
4878 && (input_section->flags & SEC_ALLOC) != 0
4879 && (r_type == R_SH_DIR32
4880 || !SYMBOL_CALLS_LOCAL (info, h)))
4881 {
4882 Elf_Internal_Rela outrel;
4883 bfd_byte *loc;
4884 bfd_boolean skip, relocate;
4885
4886 /* When generating a shared object, these relocations
4887 are copied into the output file to be resolved at run
4888 time. */
4889
4890 if (sreloc == NULL)
4891 {
4892 const char *name;
4893
4894 name = (bfd_elf_string_from_elf_section
4895 (input_bfd,
4896 elf_elfheader (input_bfd)->e_shstrndx,
4897 elf_section_data (input_section)->rel_hdr.sh_name));
4898 if (name == NULL)
4899 return FALSE;
4900
4901 BFD_ASSERT (strncmp (name, ".rela", 5) == 0
4902 && strcmp (bfd_get_section_name (input_bfd,
4903 input_section),
4904 name + 5) == 0);
4905
4906 sreloc = bfd_get_section_by_name (dynobj, name);
4907 BFD_ASSERT (sreloc != NULL);
4908 }
4909
4910 skip = FALSE;
4911 relocate = FALSE;
4912
4913 outrel.r_offset =
4914 _bfd_elf_section_offset (output_bfd, info, input_section,
4915 rel->r_offset);
4916 if (outrel.r_offset == (bfd_vma) -1)
4917 skip = TRUE;
4918 else if (outrel.r_offset == (bfd_vma) -2)
4919 skip = TRUE, relocate = TRUE;
4920 outrel.r_offset += (input_section->output_section->vma
4921 + input_section->output_offset);
4922
4923 if (skip)
4924 memset (&outrel, 0, sizeof outrel);
4925 else if (r_type == R_SH_REL32)
4926 {
4927 BFD_ASSERT (h != NULL && h->dynindx != -1);
4928 outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_REL32);
4929 outrel.r_addend
4930 = bfd_get_32 (input_bfd, contents + rel->r_offset);
4931 }
4932 #ifdef INCLUDE_SHMEDIA
4933 else if (r_type == R_SH_IMM_LOW16_PCREL
4934 || r_type == R_SH_IMM_MEDLOW16_PCREL
4935 || r_type == R_SH_IMM_MEDHI16_PCREL
4936 || r_type == R_SH_IMM_HI16_PCREL)
4937 {
4938 BFD_ASSERT (h != NULL && h->dynindx != -1);
4939 outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
4940 outrel.r_addend = addend;
4941 }
4942 #endif
4943 else
4944 {
4945 /* h->dynindx may be -1 if this symbol was marked to
4946 become local. */
4947 if (h == NULL
4948 || ((info->symbolic || h->dynindx == -1)
4949 && h->def_regular))
4950 {
4951 relocate = TRUE;
4952 outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
4953 outrel.r_addend
4954 = relocation + bfd_get_32 (input_bfd,
4955 contents + rel->r_offset);
4956 }
4957 else
4958 {
4959 BFD_ASSERT (h->dynindx != -1);
4960 outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_DIR32);
4961 outrel.r_addend
4962 = relocation + bfd_get_32 (input_bfd,
4963 contents + rel->r_offset);
4964 }
4965 }
4966
4967 loc = sreloc->contents;
4968 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
4969 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
4970
4971 /* If this reloc is against an external symbol, we do
4972 not want to fiddle with the addend. Otherwise, we
4973 need to include the symbol value so that it becomes
4974 an addend for the dynamic reloc. */
4975 if (! relocate)
4976 continue;
4977 }
4978 goto final_link_relocate;
4979
4980 case R_SH_GOTPLT32:
4981 #ifdef INCLUDE_SHMEDIA
4982 case R_SH_GOTPLT_LOW16:
4983 case R_SH_GOTPLT_MEDLOW16:
4984 case R_SH_GOTPLT_MEDHI16:
4985 case R_SH_GOTPLT_HI16:
4986 case R_SH_GOTPLT10BY4:
4987 case R_SH_GOTPLT10BY8:
4988 #endif
4989 /* Relocation is to the entry for this symbol in the
4990 procedure linkage table. */
4991
4992 if (h == NULL
4993 || h->forced_local
4994 || ! info->shared
4995 || info->symbolic
4996 || h->dynindx == -1
4997 || h->plt.offset == (bfd_vma) -1
4998 || h->got.offset != (bfd_vma) -1)
4999 goto force_got;
5000
5001 /* Relocation is to the entry for this symbol in the global
5002 offset table extension for the procedure linkage table. */
5003
5004 BFD_ASSERT (sgotplt != NULL);
5005 relocation = (sgotplt->output_offset
5006 + ((h->plt.offset / elf_sh_sizeof_plt (info)
5007 - 1 + 3) * 4));
5008
5009 #ifdef GOT_BIAS
5010 relocation -= GOT_BIAS;
5011 #endif
5012
5013 goto final_link_relocate;
5014
5015 force_got:
5016 case R_SH_GOT32:
5017 #ifdef INCLUDE_SHMEDIA
5018 case R_SH_GOT_LOW16:
5019 case R_SH_GOT_MEDLOW16:
5020 case R_SH_GOT_MEDHI16:
5021 case R_SH_GOT_HI16:
5022 case R_SH_GOT10BY4:
5023 case R_SH_GOT10BY8:
5024 #endif
5025 /* Relocation is to the entry for this symbol in the global
5026 offset table. */
5027
5028 BFD_ASSERT (sgot != NULL);
5029
5030 if (h != NULL)
5031 {
5032 bfd_boolean dyn;
5033
5034 off = h->got.offset;
5035 #ifdef INCLUDE_SHMEDIA
5036 if (seen_stt_datalabel)
5037 {
5038 struct elf_sh_link_hash_entry *hsh;
5039
5040 hsh = (struct elf_sh_link_hash_entry *)h;
5041 off = hsh->datalabel_got.offset;
5042 }
5043 #endif
5044 BFD_ASSERT (off != (bfd_vma) -1);
5045
5046 dyn = htab->root.dynamic_sections_created;
5047 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
5048 || (info->shared
5049 && SYMBOL_REFERENCES_LOCAL (info, h))
5050 || (ELF_ST_VISIBILITY (h->other)
5051 && h->root.type == bfd_link_hash_undefweak))
5052 {
5053 /* This is actually a static link, or it is a
5054 -Bsymbolic link and the symbol is defined
5055 locally, or the symbol was forced to be local
5056 because of a version file. We must initialize
5057 this entry in the global offset table. Since the
5058 offset must always be a multiple of 4, we use the
5059 least significant bit to record whether we have
5060 initialized it already.
5061
5062 When doing a dynamic link, we create a .rela.got
5063 relocation entry to initialize the value. This
5064 is done in the finish_dynamic_symbol routine. */
5065 if ((off & 1) != 0)
5066 off &= ~1;
5067 else
5068 {
5069 bfd_put_32 (output_bfd, relocation,
5070 sgot->contents + off);
5071 #ifdef INCLUDE_SHMEDIA
5072 if (seen_stt_datalabel)
5073 {
5074 struct elf_sh_link_hash_entry *hsh;
5075
5076 hsh = (struct elf_sh_link_hash_entry *)h;
5077 hsh->datalabel_got.offset |= 1;
5078 }
5079 else
5080 #endif
5081 h->got.offset |= 1;
5082 }
5083 }
5084
5085 relocation = sgot->output_offset + off;
5086 }
5087 else
5088 {
5089 #ifdef INCLUDE_SHMEDIA
5090 if (rel->r_addend)
5091 {
5092 BFD_ASSERT (local_got_offsets != NULL
5093 && (local_got_offsets[symtab_hdr->sh_info
5094 + r_symndx]
5095 != (bfd_vma) -1));
5096
5097 off = local_got_offsets[symtab_hdr->sh_info
5098 + r_symndx];
5099 }
5100 else
5101 {
5102 #endif
5103 BFD_ASSERT (local_got_offsets != NULL
5104 && local_got_offsets[r_symndx] != (bfd_vma) -1);
5105
5106 off = local_got_offsets[r_symndx];
5107 #ifdef INCLUDE_SHMEDIA
5108 }
5109 #endif
5110
5111 /* The offset must always be a multiple of 4. We use
5112 the least significant bit to record whether we have
5113 already generated the necessary reloc. */
5114 if ((off & 1) != 0)
5115 off &= ~1;
5116 else
5117 {
5118 bfd_put_32 (output_bfd, relocation, sgot->contents + off);
5119
5120 if (info->shared)
5121 {
5122 Elf_Internal_Rela outrel;
5123 bfd_byte *loc;
5124
5125 if (srelgot == NULL)
5126 {
5127 srelgot = bfd_get_section_by_name (dynobj,
5128 ".rela.got");
5129 BFD_ASSERT (srelgot != NULL);
5130 }
5131
5132 outrel.r_offset = (sgot->output_section->vma
5133 + sgot->output_offset
5134 + off);
5135 outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
5136 outrel.r_addend = relocation;
5137 loc = srelgot->contents;
5138 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
5139 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5140 }
5141
5142 #ifdef INCLUDE_SHMEDIA
5143 if (rel->r_addend)
5144 local_got_offsets[symtab_hdr->sh_info + r_symndx] |= 1;
5145 else
5146 #endif
5147 local_got_offsets[r_symndx] |= 1;
5148 }
5149
5150 relocation = sgot->output_offset + off;
5151 }
5152
5153 #ifdef GOT_BIAS
5154 relocation -= GOT_BIAS;
5155 #endif
5156
5157 goto final_link_relocate;
5158
5159 case R_SH_GOTOFF:
5160 #ifdef INCLUDE_SHMEDIA
5161 case R_SH_GOTOFF_LOW16:
5162 case R_SH_GOTOFF_MEDLOW16:
5163 case R_SH_GOTOFF_MEDHI16:
5164 case R_SH_GOTOFF_HI16:
5165 #endif
5166 /* Relocation is relative to the start of the global offset
5167 table. */
5168
5169 BFD_ASSERT (sgot != NULL);
5170
5171 /* Note that sgot->output_offset is not involved in this
5172 calculation. We always want the start of .got. If we
5173 defined _GLOBAL_OFFSET_TABLE in a different way, as is
5174 permitted by the ABI, we might have to change this
5175 calculation. */
5176 relocation -= sgot->output_section->vma;
5177
5178 #ifdef GOT_BIAS
5179 relocation -= GOT_BIAS;
5180 #endif
5181
5182 addend = rel->r_addend;
5183
5184 goto final_link_relocate;
5185
5186 case R_SH_GOTPC:
5187 #ifdef INCLUDE_SHMEDIA
5188 case R_SH_GOTPC_LOW16:
5189 case R_SH_GOTPC_MEDLOW16:
5190 case R_SH_GOTPC_MEDHI16:
5191 case R_SH_GOTPC_HI16:
5192 #endif
5193 /* Use global offset table as symbol value. */
5194
5195 BFD_ASSERT (sgot != NULL);
5196 relocation = sgot->output_section->vma;
5197
5198 #ifdef GOT_BIAS
5199 relocation += GOT_BIAS;
5200 #endif
5201
5202 addend = rel->r_addend;
5203
5204 goto final_link_relocate;
5205
5206 case R_SH_PLT32:
5207 #ifdef INCLUDE_SHMEDIA
5208 case R_SH_PLT_LOW16:
5209 case R_SH_PLT_MEDLOW16:
5210 case R_SH_PLT_MEDHI16:
5211 case R_SH_PLT_HI16:
5212 #endif
5213 /* Relocation is to the entry for this symbol in the
5214 procedure linkage table. */
5215
5216 /* Resolve a PLT reloc against a local symbol directly,
5217 without using the procedure linkage table. */
5218 if (h == NULL)
5219 goto final_link_relocate;
5220
5221 if (h->forced_local)
5222 goto final_link_relocate;
5223
5224 if (h->plt.offset == (bfd_vma) -1)
5225 {
5226 /* We didn't make a PLT entry for this symbol. This
5227 happens when statically linking PIC code, or when
5228 using -Bsymbolic. */
5229 goto final_link_relocate;
5230 }
5231
5232 BFD_ASSERT (splt != NULL);
5233 relocation = (splt->output_section->vma
5234 + splt->output_offset
5235 + h->plt.offset);
5236
5237 #ifdef INCLUDE_SHMEDIA
5238 relocation++;
5239 #endif
5240
5241 addend = rel->r_addend;
5242
5243 goto final_link_relocate;
5244
5245 case R_SH_LOOP_START:
5246 {
5247 static bfd_vma start, end;
5248
5249 start = (relocation + rel->r_addend
5250 - (sec->output_section->vma + sec->output_offset));
5251 r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
5252 rel->r_offset, sec, start, end);
5253 break;
5254
5255 case R_SH_LOOP_END:
5256 end = (relocation + rel->r_addend
5257 - (sec->output_section->vma + sec->output_offset));
5258 r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
5259 rel->r_offset, sec, start, end);
5260 break;
5261 }
5262
5263 case R_SH_TLS_GD_32:
5264 case R_SH_TLS_IE_32:
5265 r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
5266 tls_type = GOT_UNKNOWN;
5267 if (h == NULL && local_got_offsets)
5268 tls_type = sh_elf_local_got_tls_type (input_bfd) [r_symndx];
5269 else if (h != NULL)
5270 {
5271 tls_type = sh_elf_hash_entry (h)->tls_type;
5272 if (! info->shared
5273 && (h->dynindx == -1
5274 || h->def_regular))
5275 r_type = R_SH_TLS_LE_32;
5276 }
5277
5278 if (r_type == R_SH_TLS_GD_32 && tls_type == GOT_TLS_IE)
5279 r_type = R_SH_TLS_IE_32;
5280
5281 if (r_type == R_SH_TLS_LE_32)
5282 {
5283 bfd_vma offset;
5284 unsigned short insn;
5285
5286 if (ELF32_R_TYPE (rel->r_info) == R_SH_TLS_GD_32)
5287 {
5288 /* GD->LE transition:
5289 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
5290 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
5291 1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
5292 We change it into:
5293 mov.l 1f,r4; stc gbr,r0; add r4,r0; nop;
5294 nop; nop; ...
5295 1: .long x@TPOFF; 2: .long __tls_get_addr@PLT; 3:. */
5296
5297 offset = rel->r_offset;
5298 BFD_ASSERT (offset >= 16);
5299 /* Size of GD instructions is 16 or 18. */
5300 offset -= 16;
5301 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5302 if ((insn & 0xff00) == 0xc700)
5303 {
5304 BFD_ASSERT (offset >= 2);
5305 offset -= 2;
5306 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5307 }
5308
5309 BFD_ASSERT ((insn & 0xff00) == 0xd400);
5310 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5311 BFD_ASSERT ((insn & 0xff00) == 0xc700);
5312 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5313 BFD_ASSERT ((insn & 0xff00) == 0xd100);
5314 insn = bfd_get_16 (input_bfd, contents + offset + 6);
5315 BFD_ASSERT (insn == 0x310c);
5316 insn = bfd_get_16 (input_bfd, contents + offset + 8);
5317 BFD_ASSERT (insn == 0x410b);
5318 insn = bfd_get_16 (input_bfd, contents + offset + 10);
5319 BFD_ASSERT (insn == 0x34cc);
5320
5321 bfd_put_16 (output_bfd, 0x0012, contents + offset + 2);
5322 bfd_put_16 (output_bfd, 0x304c, contents + offset + 4);
5323 bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
5324 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
5325 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
5326 }
5327 else
5328 {
5329 int index;
5330
5331 /* IE->LE transition:
5332 mov.l 1f,r0; stc gbr,rN; mov.l @(r0,r12),rM;
5333 bra 2f; add ...; .align 2; 1: x@GOTTPOFF; 2:
5334 We change it into:
5335 mov.l .Ln,rM; stc gbr,rN; nop; ...;
5336 1: x@TPOFF; 2:. */
5337
5338 offset = rel->r_offset;
5339 BFD_ASSERT (offset >= 16);
5340 /* Size of IE instructions is 10 or 12. */
5341 offset -= 10;
5342 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5343 if ((insn & 0xf0ff) == 0x0012)
5344 {
5345 BFD_ASSERT (offset >= 2);
5346 offset -= 2;
5347 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5348 }
5349
5350 BFD_ASSERT ((insn & 0xff00) == 0xd000);
5351 index = insn & 0x00ff;
5352 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5353 BFD_ASSERT ((insn & 0xf0ff) == 0x0012);
5354 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5355 BFD_ASSERT ((insn & 0xf0ff) == 0x00ce);
5356 insn = 0xd000 | (insn & 0x0f00) | index;
5357 bfd_put_16 (output_bfd, insn, contents + offset + 0);
5358 bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
5359 }
5360
5361 bfd_put_32 (output_bfd, tpoff (info, relocation),
5362 contents + rel->r_offset);
5363 continue;
5364 }
5365
5366 sgot = htab->sgot;
5367 if (sgot == NULL)
5368 abort ();
5369
5370 if (h != NULL)
5371 off = h->got.offset;
5372 else
5373 {
5374 if (local_got_offsets == NULL)
5375 abort ();
5376
5377 off = local_got_offsets[r_symndx];
5378 }
5379
5380 /* Relocate R_SH_TLS_IE_32 directly when statically linking. */
5381 if (r_type == R_SH_TLS_IE_32
5382 && ! htab->root.dynamic_sections_created)
5383 {
5384 off &= ~1;
5385 bfd_put_32 (output_bfd, tpoff (info, relocation),
5386 sgot->contents + off);
5387 bfd_put_32 (output_bfd, sgot->output_offset + off,
5388 contents + rel->r_offset);
5389 continue;
5390 }
5391
5392 if ((off & 1) != 0)
5393 off &= ~1;
5394 else
5395 {
5396 Elf_Internal_Rela outrel;
5397 bfd_byte *loc;
5398 int dr_type, indx;
5399
5400 if (srelgot == NULL)
5401 {
5402 srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
5403 BFD_ASSERT (srelgot != NULL);
5404 }
5405
5406 outrel.r_offset = (sgot->output_section->vma
5407 + sgot->output_offset + off);
5408
5409 if (h == NULL || h->dynindx == -1)
5410 indx = 0;
5411 else
5412 indx = h->dynindx;
5413
5414 dr_type = (r_type == R_SH_TLS_GD_32 ? R_SH_TLS_DTPMOD32 :
5415 R_SH_TLS_TPOFF32);
5416 if (dr_type == R_SH_TLS_TPOFF32 && indx == 0)
5417 outrel.r_addend = relocation - dtpoff_base (info);
5418 else
5419 outrel.r_addend = 0;
5420 outrel.r_info = ELF32_R_INFO (indx, dr_type);
5421 loc = srelgot->contents;
5422 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
5423 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5424
5425 if (r_type == R_SH_TLS_GD_32)
5426 {
5427 if (indx == 0)
5428 {
5429 bfd_put_32 (output_bfd,
5430 relocation - dtpoff_base (info),
5431 sgot->contents + off + 4);
5432 }
5433 else
5434 {
5435 outrel.r_info = ELF32_R_INFO (indx,
5436 R_SH_TLS_DTPOFF32);
5437 outrel.r_offset += 4;
5438 outrel.r_addend = 0;
5439 srelgot->reloc_count++;
5440 loc += sizeof (Elf32_External_Rela);
5441 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5442 }
5443 }
5444
5445 if (h != NULL)
5446 h->got.offset |= 1;
5447 else
5448 local_got_offsets[r_symndx] |= 1;
5449 }
5450
5451 if (off >= (bfd_vma) -2)
5452 abort ();
5453
5454 if (r_type == (int) ELF32_R_TYPE (rel->r_info))
5455 relocation = sgot->output_offset + off;
5456 else
5457 {
5458 bfd_vma offset;
5459 unsigned short insn;
5460
5461 /* GD->IE transition:
5462 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
5463 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
5464 1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
5465 We change it into:
5466 mov.l 1f,r0; stc gbr,r4; mov.l @(r0,r12),r0; add r4,r0;
5467 nop; nop; bra 3f; nop; .align 2;
5468 1: .long x@TPOFF; 2:...; 3:. */
5469
5470 offset = rel->r_offset;
5471 BFD_ASSERT (offset >= 16);
5472 /* Size of GD instructions is 16 or 18. */
5473 offset -= 16;
5474 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5475 if ((insn & 0xff00) == 0xc700)
5476 {
5477 BFD_ASSERT (offset >= 2);
5478 offset -= 2;
5479 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5480 }
5481
5482 BFD_ASSERT ((insn & 0xff00) == 0xd400);
5483
5484 /* Replace mov.l 1f,R4 with mov.l 1f,r0. */
5485 bfd_put_16 (output_bfd, insn & 0xf0ff, contents + offset);
5486
5487 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5488 BFD_ASSERT ((insn & 0xff00) == 0xc700);
5489 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5490 BFD_ASSERT ((insn & 0xff00) == 0xd100);
5491 insn = bfd_get_16 (input_bfd, contents + offset + 6);
5492 BFD_ASSERT (insn == 0x310c);
5493 insn = bfd_get_16 (input_bfd, contents + offset + 8);
5494 BFD_ASSERT (insn == 0x410b);
5495 insn = bfd_get_16 (input_bfd, contents + offset + 10);
5496 BFD_ASSERT (insn == 0x34cc);
5497
5498 bfd_put_16 (output_bfd, 0x0412, contents + offset + 2);
5499 bfd_put_16 (output_bfd, 0x00ce, contents + offset + 4);
5500 bfd_put_16 (output_bfd, 0x304c, contents + offset + 6);
5501 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
5502 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
5503
5504 bfd_put_32 (output_bfd, sgot->output_offset + off,
5505 contents + rel->r_offset);
5506
5507 continue;
5508 }
5509
5510 addend = rel->r_addend;
5511
5512 goto final_link_relocate;
5513
5514 case R_SH_TLS_LD_32:
5515 if (! info->shared)
5516 {
5517 bfd_vma offset;
5518 unsigned short insn;
5519
5520 /* LD->LE transition:
5521 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
5522 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
5523 1: .long x$TLSLD; 2: .long __tls_get_addr@PLT; 3:
5524 We change it into:
5525 stc gbr,r0; nop; nop; nop;
5526 nop; nop; bra 3f; ...; 3:. */
5527
5528 offset = rel->r_offset;
5529 BFD_ASSERT (offset >= 16);
5530 /* Size of LD instructions is 16 or 18. */
5531 offset -= 16;
5532 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5533 if ((insn & 0xff00) == 0xc700)
5534 {
5535 BFD_ASSERT (offset >= 2);
5536 offset -= 2;
5537 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5538 }
5539
5540 BFD_ASSERT ((insn & 0xff00) == 0xd400);
5541 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5542 BFD_ASSERT ((insn & 0xff00) == 0xc700);
5543 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5544 BFD_ASSERT ((insn & 0xff00) == 0xd100);
5545 insn = bfd_get_16 (input_bfd, contents + offset + 6);
5546 BFD_ASSERT (insn == 0x310c);
5547 insn = bfd_get_16 (input_bfd, contents + offset + 8);
5548 BFD_ASSERT (insn == 0x410b);
5549 insn = bfd_get_16 (input_bfd, contents + offset + 10);
5550 BFD_ASSERT (insn == 0x34cc);
5551
5552 bfd_put_16 (output_bfd, 0x0012, contents + offset + 0);
5553 bfd_put_16 (output_bfd, 0x0009, contents + offset + 2);
5554 bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
5555 bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
5556 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
5557 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
5558
5559 continue;
5560 }
5561
5562 sgot = htab->sgot;
5563 if (sgot == NULL)
5564 abort ();
5565
5566 off = htab->tls_ldm_got.offset;
5567 if (off & 1)
5568 off &= ~1;
5569 else
5570 {
5571 Elf_Internal_Rela outrel;
5572 bfd_byte *loc;
5573
5574 srelgot = htab->srelgot;
5575 if (srelgot == NULL)
5576 abort ();
5577
5578 outrel.r_offset = (sgot->output_section->vma
5579 + sgot->output_offset + off);
5580 outrel.r_addend = 0;
5581 outrel.r_info = ELF32_R_INFO (0, R_SH_TLS_DTPMOD32);
5582 loc = srelgot->contents;
5583 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
5584 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5585 htab->tls_ldm_got.offset |= 1;
5586 }
5587
5588 relocation = sgot->output_offset + off;
5589 addend = rel->r_addend;
5590
5591 goto final_link_relocate;
5592
5593 case R_SH_TLS_LDO_32:
5594 if (! info->shared)
5595 relocation = tpoff (info, relocation);
5596 else
5597 relocation -= dtpoff_base (info);
5598
5599 addend = rel->r_addend;
5600 goto final_link_relocate;
5601
5602 case R_SH_TLS_LE_32:
5603 {
5604 int indx;
5605 Elf_Internal_Rela outrel;
5606 bfd_byte *loc;
5607
5608 if (! info->shared)
5609 {
5610 relocation = tpoff (info, relocation);
5611 addend = rel->r_addend;
5612 goto final_link_relocate;
5613 }
5614
5615 if (sreloc == NULL)
5616 {
5617 const char *name;
5618
5619 name = (bfd_elf_string_from_elf_section
5620 (input_bfd,
5621 elf_elfheader (input_bfd)->e_shstrndx,
5622 elf_section_data (input_section)->rel_hdr.sh_name));
5623 if (name == NULL)
5624 return FALSE;
5625
5626 BFD_ASSERT (strncmp (name, ".rela", 5) == 0
5627 && strcmp (bfd_get_section_name (input_bfd,
5628 input_section),
5629 name + 5) == 0);
5630
5631 sreloc = bfd_get_section_by_name (dynobj, name);
5632 BFD_ASSERT (sreloc != NULL);
5633 }
5634
5635 if (h == NULL || h->dynindx == -1)
5636 indx = 0;
5637 else
5638 indx = h->dynindx;
5639
5640 outrel.r_offset = (input_section->output_section->vma
5641 + input_section->output_offset
5642 + rel->r_offset);
5643 outrel.r_info = ELF32_R_INFO (indx, R_SH_TLS_TPOFF32);
5644 if (indx == 0)
5645 outrel.r_addend = relocation - dtpoff_base (info);
5646 else
5647 outrel.r_addend = 0;
5648
5649 loc = sreloc->contents;
5650 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
5651 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5652 continue;
5653 }
5654 }
5655
5656 relocation_done:
5657 if (r != bfd_reloc_ok)
5658 {
5659 switch (r)
5660 {
5661 default:
5662 case bfd_reloc_outofrange:
5663 abort ();
5664 case bfd_reloc_overflow:
5665 {
5666 const char *name;
5667
5668 if (h != NULL)
5669 name = NULL;
5670 else
5671 {
5672 name = (bfd_elf_string_from_elf_section
5673 (input_bfd, symtab_hdr->sh_link, sym->st_name));
5674 if (name == NULL)
5675 return FALSE;
5676 if (*name == '\0')
5677 name = bfd_section_name (input_bfd, sec);
5678 }
5679 if (! ((*info->callbacks->reloc_overflow)
5680 (info, (h ? &h->root : NULL), name, howto->name,
5681 (bfd_vma) 0, input_bfd, input_section,
5682 rel->r_offset)))
5683 return FALSE;
5684 }
5685 break;
5686 }
5687 }
5688 }
5689
5690 return TRUE;
5691 }
5692
5693 /* This is a version of bfd_generic_get_relocated_section_contents
5694 which uses sh_elf_relocate_section. */
5695
5696 static bfd_byte *
5697 sh_elf_get_relocated_section_contents (bfd *output_bfd,
5698 struct bfd_link_info *link_info,
5699 struct bfd_link_order *link_order,
5700 bfd_byte *data,
5701 bfd_boolean relocatable,
5702 asymbol **symbols)
5703 {
5704 Elf_Internal_Shdr *symtab_hdr;
5705 asection *input_section = link_order->u.indirect.section;
5706 bfd *input_bfd = input_section->owner;
5707 asection **sections = NULL;
5708 Elf_Internal_Rela *internal_relocs = NULL;
5709 Elf_Internal_Sym *isymbuf = NULL;
5710
5711 /* We only need to handle the case of relaxing, or of having a
5712 particular set of section contents, specially. */
5713 if (relocatable
5714 || elf_section_data (input_section)->this_hdr.contents == NULL)
5715 return bfd_generic_get_relocated_section_contents (output_bfd, link_info,
5716 link_order, data,
5717 relocatable,
5718 symbols);
5719
5720 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
5721
5722 memcpy (data, elf_section_data (input_section)->this_hdr.contents,
5723 (size_t) input_section->size);
5724
5725 if ((input_section->flags & SEC_RELOC) != 0
5726 && input_section->reloc_count > 0)
5727 {
5728 asection **secpp;
5729 Elf_Internal_Sym *isym, *isymend;
5730 bfd_size_type amt;
5731
5732 internal_relocs = (_bfd_elf_link_read_relocs
5733 (input_bfd, input_section, NULL,
5734 (Elf_Internal_Rela *) NULL, FALSE));
5735 if (internal_relocs == NULL)
5736 goto error_return;
5737
5738 if (symtab_hdr->sh_info != 0)
5739 {
5740 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
5741 if (isymbuf == NULL)
5742 isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
5743 symtab_hdr->sh_info, 0,
5744 NULL, NULL, NULL);
5745 if (isymbuf == NULL)
5746 goto error_return;
5747 }
5748
5749 amt = symtab_hdr->sh_info;
5750 amt *= sizeof (asection *);
5751 sections = (asection **) bfd_malloc (amt);
5752 if (sections == NULL && amt != 0)
5753 goto error_return;
5754
5755 isymend = isymbuf + symtab_hdr->sh_info;
5756 for (isym = isymbuf, secpp = sections; isym < isymend; ++isym, ++secpp)
5757 {
5758 asection *isec;
5759
5760 if (isym->st_shndx == SHN_UNDEF)
5761 isec = bfd_und_section_ptr;
5762 else if (isym->st_shndx == SHN_ABS)
5763 isec = bfd_abs_section_ptr;
5764 else if (isym->st_shndx == SHN_COMMON)
5765 isec = bfd_com_section_ptr;
5766 else
5767 isec = bfd_section_from_elf_index (input_bfd, isym->st_shndx);
5768
5769 *secpp = isec;
5770 }
5771
5772 if (! sh_elf_relocate_section (output_bfd, link_info, input_bfd,
5773 input_section, data, internal_relocs,
5774 isymbuf, sections))
5775 goto error_return;
5776
5777 if (sections != NULL)
5778 free (sections);
5779 if (isymbuf != NULL
5780 && symtab_hdr->contents != (unsigned char *) isymbuf)
5781 free (isymbuf);
5782 if (elf_section_data (input_section)->relocs != internal_relocs)
5783 free (internal_relocs);
5784 }
5785
5786 return data;
5787
5788 error_return:
5789 if (sections != NULL)
5790 free (sections);
5791 if (isymbuf != NULL
5792 && symtab_hdr->contents != (unsigned char *) isymbuf)
5793 free (isymbuf);
5794 if (internal_relocs != NULL
5795 && elf_section_data (input_section)->relocs != internal_relocs)
5796 free (internal_relocs);
5797 return NULL;
5798 }
5799
5800 /* Return the base VMA address which should be subtracted from real addresses
5801 when resolving @dtpoff relocation.
5802 This is PT_TLS segment p_vaddr. */
5803
5804 static bfd_vma
5805 dtpoff_base (struct bfd_link_info *info)
5806 {
5807 /* If tls_sec is NULL, we should have signalled an error already. */
5808 if (elf_hash_table (info)->tls_sec == NULL)
5809 return 0;
5810 return elf_hash_table (info)->tls_sec->vma;
5811 }
5812
5813 /* Return the relocation value for R_SH_TLS_TPOFF32.. */
5814
5815 static bfd_vma
5816 tpoff (struct bfd_link_info *info, bfd_vma address)
5817 {
5818 /* If tls_sec is NULL, we should have signalled an error already. */
5819 if (elf_hash_table (info)->tls_sec == NULL)
5820 return 0;
5821 /* SH TLS ABI is variant I and static TLS block start just after tcbhead
5822 structure which has 2 pointer fields. */
5823 return (address - elf_hash_table (info)->tls_sec->vma
5824 + align_power ((bfd_vma) 8,
5825 elf_hash_table (info)->tls_sec->alignment_power));
5826 }
5827
5828 static asection *
5829 sh_elf_gc_mark_hook (asection *sec,
5830 struct bfd_link_info *info ATTRIBUTE_UNUSED,
5831 Elf_Internal_Rela *rel, struct elf_link_hash_entry *h,
5832 Elf_Internal_Sym *sym)
5833 {
5834 if (h != NULL)
5835 {
5836 switch (ELF32_R_TYPE (rel->r_info))
5837 {
5838 case R_SH_GNU_VTINHERIT:
5839 case R_SH_GNU_VTENTRY:
5840 break;
5841
5842 default:
5843 #ifdef INCLUDE_SHMEDIA
5844 while (h->root.type == bfd_link_hash_indirect
5845 && h->root.u.i.link)
5846 h = (struct elf_link_hash_entry *) h->root.u.i.link;
5847 #endif
5848 switch (h->root.type)
5849 {
5850 case bfd_link_hash_defined:
5851 case bfd_link_hash_defweak:
5852 return h->root.u.def.section;
5853
5854 case bfd_link_hash_common:
5855 return h->root.u.c.p->section;
5856
5857 default:
5858 break;
5859 }
5860 }
5861 }
5862 else
5863 return bfd_section_from_elf_index (sec->owner, sym->st_shndx);
5864
5865 return NULL;
5866 }
5867
5868 /* Update the got entry reference counts for the section being removed. */
5869
5870 static bfd_boolean
5871 sh_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
5872 asection *sec, const Elf_Internal_Rela *relocs)
5873 {
5874 Elf_Internal_Shdr *symtab_hdr;
5875 struct elf_link_hash_entry **sym_hashes;
5876 bfd_signed_vma *local_got_refcounts;
5877 const Elf_Internal_Rela *rel, *relend;
5878
5879 elf_section_data (sec)->local_dynrel = NULL;
5880
5881 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
5882 sym_hashes = elf_sym_hashes (abfd);
5883 local_got_refcounts = elf_local_got_refcounts (abfd);
5884
5885 relend = relocs + sec->reloc_count;
5886 for (rel = relocs; rel < relend; rel++)
5887 {
5888 unsigned long r_symndx;
5889 unsigned int r_type;
5890 struct elf_link_hash_entry *h = NULL;
5891 #ifdef INCLUDE_SHMEDIA
5892 int seen_stt_datalabel = 0;
5893 #endif
5894
5895 r_symndx = ELF32_R_SYM (rel->r_info);
5896 if (r_symndx >= symtab_hdr->sh_info)
5897 {
5898 struct elf_sh_link_hash_entry *eh;
5899 struct elf_sh_dyn_relocs **pp;
5900 struct elf_sh_dyn_relocs *p;
5901
5902 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
5903 while (h->root.type == bfd_link_hash_indirect
5904 || h->root.type == bfd_link_hash_warning)
5905 {
5906 #ifdef INCLUDE_SHMEDIA
5907 seen_stt_datalabel |= h->type == STT_DATALABEL;
5908 #endif
5909 h = (struct elf_link_hash_entry *) h->root.u.i.link;
5910 }
5911 eh = (struct elf_sh_link_hash_entry *) h;
5912 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
5913 if (p->sec == sec)
5914 {
5915 /* Everything must go for SEC. */
5916 *pp = p->next;
5917 break;
5918 }
5919 }
5920
5921 r_type = ELF32_R_TYPE (rel->r_info);
5922 switch (sh_elf_optimized_tls_reloc (info, r_type, h != NULL))
5923 {
5924 case R_SH_TLS_LD_32:
5925 if (sh_elf_hash_table (info)->tls_ldm_got.refcount > 0)
5926 sh_elf_hash_table (info)->tls_ldm_got.refcount -= 1;
5927 break;
5928
5929 case R_SH_GOT32:
5930 case R_SH_GOTOFF:
5931 case R_SH_GOTPC:
5932 #ifdef INCLUDE_SHMEDIA
5933 case R_SH_GOT_LOW16:
5934 case R_SH_GOT_MEDLOW16:
5935 case R_SH_GOT_MEDHI16:
5936 case R_SH_GOT_HI16:
5937 case R_SH_GOT10BY4:
5938 case R_SH_GOT10BY8:
5939 case R_SH_GOTOFF_LOW16:
5940 case R_SH_GOTOFF_MEDLOW16:
5941 case R_SH_GOTOFF_MEDHI16:
5942 case R_SH_GOTOFF_HI16:
5943 case R_SH_GOTPC_LOW16:
5944 case R_SH_GOTPC_MEDLOW16:
5945 case R_SH_GOTPC_MEDHI16:
5946 case R_SH_GOTPC_HI16:
5947 #endif
5948 case R_SH_TLS_GD_32:
5949 case R_SH_TLS_IE_32:
5950 if (h != NULL)
5951 {
5952 #ifdef INCLUDE_SHMEDIA
5953 if (seen_stt_datalabel)
5954 {
5955 struct elf_sh_link_hash_entry *eh;
5956 eh = (struct elf_sh_link_hash_entry *) h;
5957 if (eh->datalabel_got.refcount > 0)
5958 eh->datalabel_got.refcount -= 1;
5959 }
5960 else
5961 #endif
5962 if (h->got.refcount > 0)
5963 h->got.refcount -= 1;
5964 }
5965 else if (local_got_refcounts != NULL)
5966 {
5967 #ifdef INCLUDE_SHMEDIA
5968 if (rel->r_addend & 1)
5969 {
5970 if (local_got_refcounts[symtab_hdr->sh_info + r_symndx] > 0)
5971 local_got_refcounts[symtab_hdr->sh_info + r_symndx] -= 1;
5972 }
5973 else
5974 #endif
5975 if (local_got_refcounts[r_symndx] > 0)
5976 local_got_refcounts[r_symndx] -= 1;
5977 }
5978 break;
5979
5980 case R_SH_DIR32:
5981 case R_SH_REL32:
5982 if (info->shared)
5983 break;
5984 /* Fall thru */
5985
5986 case R_SH_PLT32:
5987 #ifdef INCLUDE_SHMEDIA
5988 case R_SH_PLT_LOW16:
5989 case R_SH_PLT_MEDLOW16:
5990 case R_SH_PLT_MEDHI16:
5991 case R_SH_PLT_HI16:
5992 #endif
5993 if (h != NULL)
5994 {
5995 if (h->plt.refcount > 0)
5996 h->plt.refcount -= 1;
5997 }
5998 break;
5999
6000 case R_SH_GOTPLT32:
6001 #ifdef INCLUDE_SHMEDIA
6002 case R_SH_GOTPLT_LOW16:
6003 case R_SH_GOTPLT_MEDLOW16:
6004 case R_SH_GOTPLT_MEDHI16:
6005 case R_SH_GOTPLT_HI16:
6006 case R_SH_GOTPLT10BY4:
6007 case R_SH_GOTPLT10BY8:
6008 #endif
6009 if (h != NULL)
6010 {
6011 struct elf_sh_link_hash_entry *eh;
6012 eh = (struct elf_sh_link_hash_entry *) h;
6013 if (eh->gotplt_refcount > 0)
6014 {
6015 eh->gotplt_refcount -= 1;
6016 if (h->plt.refcount > 0)
6017 h->plt.refcount -= 1;
6018 }
6019 #ifdef INCLUDE_SHMEDIA
6020 else if (seen_stt_datalabel)
6021 {
6022 if (eh->datalabel_got.refcount > 0)
6023 eh->datalabel_got.refcount -= 1;
6024 }
6025 #endif
6026 else if (h->got.refcount > 0)
6027 h->got.refcount -= 1;
6028 }
6029 else if (local_got_refcounts != NULL)
6030 {
6031 #ifdef INCLUDE_SHMEDIA
6032 if (rel->r_addend & 1)
6033 {
6034 if (local_got_refcounts[symtab_hdr->sh_info + r_symndx] > 0)
6035 local_got_refcounts[symtab_hdr->sh_info + r_symndx] -= 1;
6036 }
6037 else
6038 #endif
6039 if (local_got_refcounts[r_symndx] > 0)
6040 local_got_refcounts[r_symndx] -= 1;
6041 }
6042 break;
6043
6044 default:
6045 break;
6046 }
6047 }
6048
6049 return TRUE;
6050 }
6051
6052 /* Copy the extra info we tack onto an elf_link_hash_entry. */
6053
6054 static void
6055 sh_elf_copy_indirect_symbol (const struct elf_backend_data *bed,
6056 struct elf_link_hash_entry *dir,
6057 struct elf_link_hash_entry *ind)
6058 {
6059 struct elf_sh_link_hash_entry *edir, *eind;
6060 #ifdef INCLUDE_SHMEDIA
6061 bfd_signed_vma tmp;
6062 #endif
6063
6064 edir = (struct elf_sh_link_hash_entry *) dir;
6065 eind = (struct elf_sh_link_hash_entry *) ind;
6066
6067 if (eind->dyn_relocs != NULL)
6068 {
6069 if (edir->dyn_relocs != NULL)
6070 {
6071 struct elf_sh_dyn_relocs **pp;
6072 struct elf_sh_dyn_relocs *p;
6073
6074 BFD_ASSERT (ind->root.type != bfd_link_hash_indirect);
6075
6076 /* Add reloc counts against the weak sym to the strong sym
6077 list. Merge any entries against the same section. */
6078 for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
6079 {
6080 struct elf_sh_dyn_relocs *q;
6081
6082 for (q = edir->dyn_relocs; q != NULL; q = q->next)
6083 if (q->sec == p->sec)
6084 {
6085 q->pc_count += p->pc_count;
6086 q->count += p->count;
6087 *pp = p->next;
6088 break;
6089 }
6090 if (q == NULL)
6091 pp = &p->next;
6092 }
6093 *pp = edir->dyn_relocs;
6094 }
6095
6096 edir->dyn_relocs = eind->dyn_relocs;
6097 eind->dyn_relocs = NULL;
6098 }
6099 edir->gotplt_refcount = eind->gotplt_refcount;
6100 eind->gotplt_refcount = 0;
6101 #ifdef INCLUDE_SHMEDIA
6102 tmp = edir->datalabel_got.refcount;
6103 if (tmp < 1)
6104 {
6105 edir->datalabel_got.refcount = eind->datalabel_got.refcount;
6106 eind->datalabel_got.refcount = tmp;
6107 }
6108 else
6109 BFD_ASSERT (eind->datalabel_got.refcount < 1);
6110 #endif
6111
6112 if (ind->root.type == bfd_link_hash_indirect
6113 && dir->got.refcount <= 0)
6114 {
6115 edir->tls_type = eind->tls_type;
6116 eind->tls_type = GOT_UNKNOWN;
6117 }
6118
6119 if (ind->root.type != bfd_link_hash_indirect
6120 && dir->dynamic_adjusted)
6121 {
6122 /* If called to transfer flags for a weakdef during processing
6123 of elf_adjust_dynamic_symbol, don't copy non_got_ref.
6124 We clear it ourselves for ELIMINATE_COPY_RELOCS. */
6125 dir->ref_dynamic |= ind->ref_dynamic;
6126 dir->ref_regular |= ind->ref_regular;
6127 dir->ref_regular_nonweak |= ind->ref_regular_nonweak;
6128 dir->needs_plt |= ind->needs_plt;
6129 }
6130 else
6131 _bfd_elf_link_hash_copy_indirect (bed, dir, ind);
6132 }
6133
6134 static int
6135 sh_elf_optimized_tls_reloc (struct bfd_link_info *info, int r_type,
6136 int is_local)
6137 {
6138 if (info->shared)
6139 return r_type;
6140
6141 switch (r_type)
6142 {
6143 case R_SH_TLS_GD_32:
6144 case R_SH_TLS_IE_32:
6145 if (is_local)
6146 return R_SH_TLS_LE_32;
6147 return R_SH_TLS_IE_32;
6148 case R_SH_TLS_LD_32:
6149 return R_SH_TLS_LE_32;
6150 }
6151
6152 return r_type;
6153 }
6154
6155 /* Look through the relocs for a section during the first phase.
6156 Since we don't do .gots or .plts, we just need to consider the
6157 virtual table relocs for gc. */
6158
6159 static bfd_boolean
6160 sh_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec,
6161 const Elf_Internal_Rela *relocs)
6162 {
6163 Elf_Internal_Shdr *symtab_hdr;
6164 struct elf_link_hash_entry **sym_hashes, **sym_hashes_end;
6165 struct elf_sh_link_hash_table *htab;
6166 const Elf_Internal_Rela *rel;
6167 const Elf_Internal_Rela *rel_end;
6168 bfd_vma *local_got_offsets;
6169 asection *sgot;
6170 asection *srelgot;
6171 asection *sreloc;
6172 unsigned int r_type;
6173 int tls_type, old_tls_type;
6174
6175 sgot = NULL;
6176 srelgot = NULL;
6177 sreloc = NULL;
6178
6179 if (info->relocatable)
6180 return TRUE;
6181
6182 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
6183 sym_hashes = elf_sym_hashes (abfd);
6184 sym_hashes_end = sym_hashes + symtab_hdr->sh_size/sizeof (Elf32_External_Sym);
6185 if (!elf_bad_symtab (abfd))
6186 sym_hashes_end -= symtab_hdr->sh_info;
6187
6188 htab = sh_elf_hash_table (info);
6189 local_got_offsets = elf_local_got_offsets (abfd);
6190
6191 rel_end = relocs + sec->reloc_count;
6192 for (rel = relocs; rel < rel_end; rel++)
6193 {
6194 struct elf_link_hash_entry *h;
6195 unsigned long r_symndx;
6196 #ifdef INCLUDE_SHMEDIA
6197 int seen_stt_datalabel = 0;
6198 #endif
6199
6200 r_symndx = ELF32_R_SYM (rel->r_info);
6201 r_type = ELF32_R_TYPE (rel->r_info);
6202
6203 if (r_symndx < symtab_hdr->sh_info)
6204 h = NULL;
6205 else
6206 {
6207 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
6208 while (h->root.type == bfd_link_hash_indirect
6209 || h->root.type == bfd_link_hash_warning)
6210 {
6211 #ifdef INCLUDE_SHMEDIA
6212 seen_stt_datalabel |= h->type == STT_DATALABEL;
6213 #endif
6214 h = (struct elf_link_hash_entry *) h->root.u.i.link;
6215 }
6216 }
6217
6218 r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
6219 if (! info->shared
6220 && r_type == R_SH_TLS_IE_32
6221 && h != NULL
6222 && h->root.type != bfd_link_hash_undefined
6223 && h->root.type != bfd_link_hash_undefweak
6224 && (h->dynindx == -1
6225 || h->def_regular))
6226 r_type = R_SH_TLS_LE_32;
6227
6228 /* Some relocs require a global offset table. */
6229 if (htab->sgot == NULL)
6230 {
6231 switch (r_type)
6232 {
6233 case R_SH_GOTPLT32:
6234 case R_SH_GOT32:
6235 case R_SH_GOTOFF:
6236 case R_SH_GOTPC:
6237 #ifdef INCLUDE_SHMEDIA
6238 case R_SH_GOTPLT_LOW16:
6239 case R_SH_GOTPLT_MEDLOW16:
6240 case R_SH_GOTPLT_MEDHI16:
6241 case R_SH_GOTPLT_HI16:
6242 case R_SH_GOTPLT10BY4:
6243 case R_SH_GOTPLT10BY8:
6244 case R_SH_GOT_LOW16:
6245 case R_SH_GOT_MEDLOW16:
6246 case R_SH_GOT_MEDHI16:
6247 case R_SH_GOT_HI16:
6248 case R_SH_GOT10BY4:
6249 case R_SH_GOT10BY8:
6250 case R_SH_GOTOFF_LOW16:
6251 case R_SH_GOTOFF_MEDLOW16:
6252 case R_SH_GOTOFF_MEDHI16:
6253 case R_SH_GOTOFF_HI16:
6254 case R_SH_GOTPC_LOW16:
6255 case R_SH_GOTPC_MEDLOW16:
6256 case R_SH_GOTPC_MEDHI16:
6257 case R_SH_GOTPC_HI16:
6258 #endif
6259 case R_SH_TLS_GD_32:
6260 case R_SH_TLS_LD_32:
6261 case R_SH_TLS_IE_32:
6262 if (htab->sgot == NULL)
6263 {
6264 if (htab->root.dynobj == NULL)
6265 htab->root.dynobj = abfd;
6266 if (!create_got_section (htab->root.dynobj, info))
6267 return FALSE;
6268 }
6269 break;
6270
6271 default:
6272 break;
6273 }
6274 }
6275
6276 switch (r_type)
6277 {
6278 /* This relocation describes the C++ object vtable hierarchy.
6279 Reconstruct it for later use during GC. */
6280 case R_SH_GNU_VTINHERIT:
6281 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
6282 return FALSE;
6283 break;
6284
6285 /* This relocation describes which C++ vtable entries are actually
6286 used. Record for later use during GC. */
6287 case R_SH_GNU_VTENTRY:
6288 if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
6289 return FALSE;
6290 break;
6291
6292 case R_SH_TLS_IE_32:
6293 if (info->shared)
6294 info->flags |= DF_STATIC_TLS;
6295
6296 /* FALLTHROUGH */
6297 force_got:
6298 case R_SH_TLS_GD_32:
6299 case R_SH_GOT32:
6300 #ifdef INCLUDE_SHMEDIA
6301 case R_SH_GOT_LOW16:
6302 case R_SH_GOT_MEDLOW16:
6303 case R_SH_GOT_MEDHI16:
6304 case R_SH_GOT_HI16:
6305 case R_SH_GOT10BY4:
6306 case R_SH_GOT10BY8:
6307 #endif
6308 switch (r_type)
6309 {
6310 default:
6311 tls_type = GOT_NORMAL;
6312 break;
6313 case R_SH_TLS_GD_32:
6314 tls_type = GOT_TLS_GD;
6315 break;
6316 case R_SH_TLS_IE_32:
6317 tls_type = GOT_TLS_IE;
6318 break;
6319 }
6320
6321 if (h != NULL)
6322 {
6323 #ifdef INCLUDE_SHMEDIA
6324 if (seen_stt_datalabel)
6325 {
6326 struct elf_sh_link_hash_entry *eh
6327 = (struct elf_sh_link_hash_entry *) h;
6328
6329 eh->datalabel_got.refcount += 1;
6330 }
6331 else
6332 #endif
6333 h->got.refcount += 1;
6334 old_tls_type = sh_elf_hash_entry (h)->tls_type;
6335 }
6336 else
6337 {
6338 bfd_signed_vma *local_got_refcounts;
6339
6340 /* This is a global offset table entry for a local
6341 symbol. */
6342 local_got_refcounts = elf_local_got_refcounts (abfd);
6343 if (local_got_refcounts == NULL)
6344 {
6345 bfd_size_type size;
6346
6347 size = symtab_hdr->sh_info;
6348 size *= sizeof (bfd_signed_vma);
6349 #ifdef INCLUDE_SHMEDIA
6350 /* Reserve space for both the datalabel and
6351 codelabel local GOT offsets. */
6352 size *= 2;
6353 #endif
6354 size += symtab_hdr->sh_info;
6355 local_got_refcounts = ((bfd_signed_vma *)
6356 bfd_zalloc (abfd, size));
6357 if (local_got_refcounts == NULL)
6358 return FALSE;
6359 elf_local_got_refcounts (abfd) = local_got_refcounts;
6360 #ifdef INCLUDE_SHMEDIA
6361 /* Take care of both the datalabel and codelabel local
6362 GOT offsets. */
6363 sh_elf_local_got_tls_type (abfd)
6364 = (char *) (local_got_refcounts + 2 * symtab_hdr->sh_info);
6365 #else
6366 sh_elf_local_got_tls_type (abfd)
6367 = (char *) (local_got_refcounts + symtab_hdr->sh_info);
6368 #endif
6369 }
6370 #ifdef INCLUDE_SHMEDIA
6371 if (rel->r_addend & 1)
6372 local_got_refcounts[symtab_hdr->sh_info + r_symndx] += 1;
6373 else
6374 #endif
6375 local_got_refcounts[r_symndx] += 1;
6376 old_tls_type = sh_elf_local_got_tls_type (abfd) [r_symndx];
6377 }
6378
6379 /* If a TLS symbol is accessed using IE at least once,
6380 there is no point to use dynamic model for it. */
6381 if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN
6382 && (old_tls_type != GOT_TLS_GD || tls_type != GOT_TLS_IE))
6383 {
6384 if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
6385 tls_type = GOT_TLS_IE;
6386 else
6387 {
6388 (*_bfd_error_handler)
6389 (_("%B: `%s' accessed both as normal and thread local symbol"),
6390 abfd, h->root.root.string);
6391 return FALSE;
6392 }
6393 }
6394
6395 if (old_tls_type != tls_type)
6396 {
6397 if (h != NULL)
6398 sh_elf_hash_entry (h)->tls_type = tls_type;
6399 else
6400 sh_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
6401 }
6402
6403 break;
6404
6405 case R_SH_TLS_LD_32:
6406 sh_elf_hash_table(info)->tls_ldm_got.refcount += 1;
6407 break;
6408
6409 case R_SH_GOTPLT32:
6410 #ifdef INCLUDE_SHMEDIA
6411 case R_SH_GOTPLT_LOW16:
6412 case R_SH_GOTPLT_MEDLOW16:
6413 case R_SH_GOTPLT_MEDHI16:
6414 case R_SH_GOTPLT_HI16:
6415 case R_SH_GOTPLT10BY4:
6416 case R_SH_GOTPLT10BY8:
6417 #endif
6418 /* If this is a local symbol, we resolve it directly without
6419 creating a procedure linkage table entry. */
6420
6421 if (h == NULL
6422 || h->forced_local
6423 || ! info->shared
6424 || info->symbolic
6425 || h->dynindx == -1)
6426 goto force_got;
6427
6428 h->needs_plt = 1;
6429 h->plt.refcount += 1;
6430 ((struct elf_sh_link_hash_entry *) h)->gotplt_refcount += 1;
6431
6432 break;
6433
6434 case R_SH_PLT32:
6435 #ifdef INCLUDE_SHMEDIA
6436 case R_SH_PLT_LOW16:
6437 case R_SH_PLT_MEDLOW16:
6438 case R_SH_PLT_MEDHI16:
6439 case R_SH_PLT_HI16:
6440 #endif
6441 /* This symbol requires a procedure linkage table entry. We
6442 actually build the entry in adjust_dynamic_symbol,
6443 because this might be a case of linking PIC code which is
6444 never referenced by a dynamic object, in which case we
6445 don't need to generate a procedure linkage table entry
6446 after all. */
6447
6448 /* If this is a local symbol, we resolve it directly without
6449 creating a procedure linkage table entry. */
6450 if (h == NULL)
6451 continue;
6452
6453 if (h->forced_local)
6454 break;
6455
6456 h->needs_plt = 1;
6457 h->plt.refcount += 1;
6458 break;
6459
6460 case R_SH_DIR32:
6461 case R_SH_REL32:
6462 #ifdef INCLUDE_SHMEDIA
6463 case R_SH_IMM_LOW16_PCREL:
6464 case R_SH_IMM_MEDLOW16_PCREL:
6465 case R_SH_IMM_MEDHI16_PCREL:
6466 case R_SH_IMM_HI16_PCREL:
6467 #endif
6468 if (h != NULL && ! info->shared)
6469 {
6470 h->non_got_ref = 1;
6471 h->plt.refcount += 1;
6472 }
6473
6474 /* If we are creating a shared library, and this is a reloc
6475 against a global symbol, or a non PC relative reloc
6476 against a local symbol, then we need to copy the reloc
6477 into the shared library. However, if we are linking with
6478 -Bsymbolic, we do not need to copy a reloc against a
6479 global symbol which is defined in an object we are
6480 including in the link (i.e., DEF_REGULAR is set). At
6481 this point we have not seen all the input files, so it is
6482 possible that DEF_REGULAR is not set now but will be set
6483 later (it is never cleared). We account for that
6484 possibility below by storing information in the
6485 dyn_relocs field of the hash table entry. A similar
6486 situation occurs when creating shared libraries and symbol
6487 visibility changes render the symbol local.
6488
6489 If on the other hand, we are creating an executable, we
6490 may need to keep relocations for symbols satisfied by a
6491 dynamic library if we manage to avoid copy relocs for the
6492 symbol. */
6493 if ((info->shared
6494 && (sec->flags & SEC_ALLOC) != 0
6495 && (r_type != R_SH_REL32
6496 || (h != NULL
6497 && (! info->symbolic
6498 || h->root.type == bfd_link_hash_defweak
6499 || !h->def_regular))))
6500 || (! info->shared
6501 && (sec->flags & SEC_ALLOC) != 0
6502 && h != NULL
6503 && (h->root.type == bfd_link_hash_defweak
6504 || !h->def_regular)))
6505 {
6506 struct elf_sh_dyn_relocs *p;
6507 struct elf_sh_dyn_relocs **head;
6508
6509 if (htab->root.dynobj == NULL)
6510 htab->root.dynobj = abfd;
6511
6512 /* When creating a shared object, we must copy these
6513 reloc types into the output file. We create a reloc
6514 section in dynobj and make room for this reloc. */
6515 if (sreloc == NULL)
6516 {
6517 const char *name;
6518
6519 name = (bfd_elf_string_from_elf_section
6520 (abfd,
6521 elf_elfheader (abfd)->e_shstrndx,
6522 elf_section_data (sec)->rel_hdr.sh_name));
6523 if (name == NULL)
6524 return FALSE;
6525
6526 BFD_ASSERT (strncmp (name, ".rela", 5) == 0
6527 && strcmp (bfd_get_section_name (abfd, sec),
6528 name + 5) == 0);
6529
6530 sreloc = bfd_get_section_by_name (htab->root.dynobj, name);
6531 if (sreloc == NULL)
6532 {
6533 flagword flags;
6534
6535 flags = (SEC_HAS_CONTENTS | SEC_READONLY
6536 | SEC_IN_MEMORY | SEC_LINKER_CREATED);
6537 if ((sec->flags & SEC_ALLOC) != 0)
6538 flags |= SEC_ALLOC | SEC_LOAD;
6539 sreloc = bfd_make_section_with_flags (htab->root.dynobj,
6540 name,
6541 flags);
6542 if (sreloc == NULL
6543 || ! bfd_set_section_alignment (htab->root.dynobj,
6544 sreloc, 2))
6545 return FALSE;
6546 }
6547 elf_section_data (sec)->sreloc = sreloc;
6548 }
6549
6550 /* If this is a global symbol, we count the number of
6551 relocations we need for this symbol. */
6552 if (h != NULL)
6553 head = &((struct elf_sh_link_hash_entry *) h)->dyn_relocs;
6554 else
6555 {
6556 asection *s;
6557
6558 /* Track dynamic relocs needed for local syms too. */
6559 s = bfd_section_from_r_symndx (abfd, &htab->sym_sec,
6560 sec, r_symndx);
6561 if (s == NULL)
6562 return FALSE;
6563
6564 head = ((struct elf_sh_dyn_relocs **)
6565 &elf_section_data (s)->local_dynrel);
6566 }
6567
6568 p = *head;
6569 if (p == NULL || p->sec != sec)
6570 {
6571 bfd_size_type amt = sizeof (*p);
6572 p = bfd_alloc (htab->root.dynobj, amt);
6573 if (p == NULL)
6574 return FALSE;
6575 p->next = *head;
6576 *head = p;
6577 p->sec = sec;
6578 p->count = 0;
6579 p->pc_count = 0;
6580 }
6581
6582 p->count += 1;
6583 if (r_type == R_SH_REL32
6584 #ifdef INCLUDE_SHMEDIA
6585 || r_type == R_SH_IMM_LOW16_PCREL
6586 || r_type == R_SH_IMM_MEDLOW16_PCREL
6587 || r_type == R_SH_IMM_MEDHI16_PCREL
6588 || r_type == R_SH_IMM_HI16_PCREL
6589 #endif
6590 )
6591 p->pc_count += 1;
6592 }
6593
6594 break;
6595
6596 case R_SH_TLS_LE_32:
6597 if (info->shared)
6598 {
6599 (*_bfd_error_handler)
6600 (_("%B: TLS local exec code cannot be linked into shared objects"),
6601 abfd);
6602 return FALSE;
6603 }
6604
6605 break;
6606
6607 case R_SH_TLS_LDO_32:
6608 /* Nothing to do. */
6609 break;
6610
6611 default:
6612 break;
6613 }
6614 }
6615
6616 return TRUE;
6617 }
6618
6619 #ifndef sh_elf_set_mach_from_flags
6620 static unsigned int sh_ef_bfd_table[] = { EF_SH_BFD_TABLE };
6621
6622 static bfd_boolean
6623 sh_elf_set_mach_from_flags (bfd *abfd)
6624 {
6625 flagword flags = elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK;
6626
6627 if (flags >= sizeof(sh_ef_bfd_table))
6628 return FALSE;
6629
6630 if (sh_ef_bfd_table[flags] == 0)
6631 return FALSE;
6632
6633 bfd_default_set_arch_mach (abfd, bfd_arch_sh, sh_ef_bfd_table[flags]);
6634
6635 return TRUE;
6636 }
6637
6638
6639 /* Reverse table lookup for sh_ef_bfd_table[].
6640 Given a bfd MACH value from archures.c
6641 return the equivalent ELF flags from the table.
6642 Return -1 if no match is found. */
6643
6644 int
6645 sh_elf_get_flags_from_mach (unsigned long mach)
6646 {
6647 int i = ARRAY_SIZE (sh_ef_bfd_table);
6648
6649 for (; i>0; i--)
6650 if (sh_ef_bfd_table[i] == mach)
6651 return i;
6652
6653 /* shouldn't get here */
6654 BFD_FAIL();
6655
6656 return -1;
6657 }
6658 #endif /* not sh_elf_set_mach_from_flags */
6659
6660 #ifndef sh_elf_set_private_flags
6661 /* Function to keep SH specific file flags. */
6662
6663 static bfd_boolean
6664 sh_elf_set_private_flags (bfd *abfd, flagword flags)
6665 {
6666 BFD_ASSERT (! elf_flags_init (abfd)
6667 || elf_elfheader (abfd)->e_flags == flags);
6668
6669 elf_elfheader (abfd)->e_flags = flags;
6670 elf_flags_init (abfd) = TRUE;
6671 return sh_elf_set_mach_from_flags (abfd);
6672 }
6673 #endif /* not sh_elf_set_private_flags */
6674
6675 #ifndef sh_elf_copy_private_data
6676 /* Copy backend specific data from one object module to another */
6677
6678 static bfd_boolean
6679 sh_elf_copy_private_data (bfd * ibfd, bfd * obfd)
6680 {
6681 if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour
6682 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
6683 return TRUE;
6684
6685 return sh_elf_set_private_flags (obfd, elf_elfheader (ibfd)->e_flags);
6686 }
6687 #endif /* not sh_elf_copy_private_data */
6688
6689 #ifndef sh_elf_merge_private_data
6690
6691 /* This function returns the ELF architecture number that
6692 corresponds to the given arch_sh* flags. */
6693
6694 int
6695 sh_find_elf_flags (unsigned int arch_set)
6696 {
6697 extern unsigned long sh_get_bfd_mach_from_arch_set (unsigned int);
6698 unsigned long bfd_mach = sh_get_bfd_mach_from_arch_set (arch_set);
6699
6700 return sh_elf_get_flags_from_mach (bfd_mach);
6701 }
6702
6703 /* This routine initialises the elf flags when required and
6704 calls sh_merge_bfd_arch() to check dsp/fpu compatibility. */
6705
6706 static bfd_boolean
6707 sh_elf_merge_private_data (bfd *ibfd, bfd *obfd)
6708 {
6709 extern bfd_boolean sh_merge_bfd_arch (bfd *, bfd *);
6710
6711 if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour
6712 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
6713 return TRUE;
6714
6715 if (! elf_flags_init (obfd))
6716 {
6717 /* This happens when ld starts out with a 'blank' output file. */
6718 elf_flags_init (obfd) = TRUE;
6719 elf_elfheader (obfd)->e_flags = EF_SH1;
6720 sh_elf_set_mach_from_flags (obfd);
6721 }
6722
6723 if (! sh_merge_bfd_arch (ibfd, obfd))
6724 {
6725 _bfd_error_handler ("%B: uses instructions which are incompatible "
6726 "with instructions used in previous modules",
6727 ibfd);
6728 bfd_set_error (bfd_error_bad_value);
6729 return FALSE;
6730 }
6731
6732 elf_elfheader (obfd)->e_flags =
6733 sh_elf_get_flags_from_mach (bfd_get_mach (obfd));
6734
6735 return TRUE;
6736 }
6737 #endif /* not sh_elf_merge_private_data */
6738
6739 /* Override the generic function because we need to store sh_elf_obj_tdata
6740 as the specific tdata. We set also the machine architecture from flags
6741 here. */
6742
6743 static bfd_boolean
6744 sh_elf_object_p (bfd *abfd)
6745 {
6746 return sh_elf_set_mach_from_flags (abfd);
6747 }
6748
6749 /* Finish up dynamic symbol handling. We set the contents of various
6750 dynamic sections here. */
6751
6752 static bfd_boolean
6753 sh_elf_finish_dynamic_symbol (bfd *output_bfd, struct bfd_link_info *info,
6754 struct elf_link_hash_entry *h,
6755 Elf_Internal_Sym *sym)
6756 {
6757 struct elf_sh_link_hash_table *htab;
6758
6759 htab = sh_elf_hash_table (info);
6760
6761 if (h->plt.offset != (bfd_vma) -1)
6762 {
6763 asection *splt;
6764 asection *sgot;
6765 asection *srel;
6766
6767 bfd_vma plt_index;
6768 bfd_vma got_offset;
6769 Elf_Internal_Rela rel;
6770 bfd_byte *loc;
6771
6772 /* This symbol has an entry in the procedure linkage table. Set
6773 it up. */
6774
6775 BFD_ASSERT (h->dynindx != -1);
6776
6777 splt = htab->splt;
6778 sgot = htab->sgotplt;
6779 srel = htab->srelplt;
6780 BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL);
6781
6782 /* Get the index in the procedure linkage table which
6783 corresponds to this symbol. This is the index of this symbol
6784 in all the symbols for which we are making plt entries. The
6785 first entry in the procedure linkage table is reserved. */
6786 plt_index = h->plt.offset / elf_sh_sizeof_plt (info) - 1;
6787
6788 /* Get the offset into the .got table of the entry that
6789 corresponds to this function. Each .got entry is 4 bytes.
6790 The first three are reserved. */
6791 got_offset = (plt_index + 3) * 4;
6792
6793 #ifdef GOT_BIAS
6794 if (info->shared)
6795 got_offset -= GOT_BIAS;
6796 #endif
6797
6798 /* Fill in the entry in the procedure linkage table. */
6799 if (! info->shared)
6800 {
6801 if (elf_sh_plt_entry == NULL)
6802 {
6803 elf_sh_plt_entry = (bfd_big_endian (output_bfd) ?
6804 elf_sh_plt_entry_be : elf_sh_plt_entry_le);
6805 }
6806 memcpy (splt->contents + h->plt.offset, elf_sh_plt_entry,
6807 elf_sh_sizeof_plt (info));
6808 #ifdef INCLUDE_SHMEDIA
6809 movi_shori_putval (output_bfd,
6810 (sgot->output_section->vma
6811 + sgot->output_offset
6812 + got_offset),
6813 (splt->contents + h->plt.offset
6814 + elf_sh_plt_symbol_offset (info)));
6815
6816 /* Set bottom bit because its for a branch to SHmedia */
6817 movi_shori_putval (output_bfd,
6818 (splt->output_section->vma + splt->output_offset)
6819 | 1,
6820 (splt->contents + h->plt.offset
6821 + elf_sh_plt_plt0_offset (info)));
6822 #else
6823 bfd_put_32 (output_bfd,
6824 (sgot->output_section->vma
6825 + sgot->output_offset
6826 + got_offset),
6827 (splt->contents + h->plt.offset
6828 + elf_sh_plt_symbol_offset (info)));
6829
6830 bfd_put_32 (output_bfd,
6831 (splt->output_section->vma + splt->output_offset),
6832 (splt->contents + h->plt.offset
6833 + elf_sh_plt_plt0_offset (info)));
6834 #endif
6835 }
6836 else
6837 {
6838 if (elf_sh_pic_plt_entry == NULL)
6839 {
6840 elf_sh_pic_plt_entry = (bfd_big_endian (output_bfd) ?
6841 elf_sh_pic_plt_entry_be :
6842 elf_sh_pic_plt_entry_le);
6843 }
6844 memcpy (splt->contents + h->plt.offset, elf_sh_pic_plt_entry,
6845 elf_sh_sizeof_plt (info));
6846 #ifdef INCLUDE_SHMEDIA
6847 movi_shori_putval (output_bfd, got_offset,
6848 (splt->contents + h->plt.offset
6849 + elf_sh_plt_symbol_offset (info)));
6850 #else
6851 bfd_put_32 (output_bfd, got_offset,
6852 (splt->contents + h->plt.offset
6853 + elf_sh_plt_symbol_offset (info)));
6854 #endif
6855 }
6856
6857 #ifdef GOT_BIAS
6858 if (info->shared)
6859 got_offset += GOT_BIAS;
6860 #endif
6861
6862 #ifdef INCLUDE_SHMEDIA
6863 movi_shori_putval (output_bfd,
6864 plt_index * sizeof (Elf32_External_Rela),
6865 (splt->contents + h->plt.offset
6866 + elf_sh_plt_reloc_offset (info)));
6867 #else
6868 bfd_put_32 (output_bfd, plt_index * sizeof (Elf32_External_Rela),
6869 (splt->contents + h->plt.offset
6870 + elf_sh_plt_reloc_offset (info)));
6871 #endif
6872
6873 /* Fill in the entry in the global offset table. */
6874 bfd_put_32 (output_bfd,
6875 (splt->output_section->vma
6876 + splt->output_offset
6877 + h->plt.offset
6878 + elf_sh_plt_temp_offset (info)),
6879 sgot->contents + got_offset);
6880
6881 /* Fill in the entry in the .rela.plt section. */
6882 rel.r_offset = (sgot->output_section->vma
6883 + sgot->output_offset
6884 + got_offset);
6885 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_JMP_SLOT);
6886 rel.r_addend = 0;
6887 #ifdef GOT_BIAS
6888 rel.r_addend = GOT_BIAS;
6889 #endif
6890 loc = srel->contents + plt_index * sizeof (Elf32_External_Rela);
6891 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
6892
6893 if (!h->def_regular)
6894 {
6895 /* Mark the symbol as undefined, rather than as defined in
6896 the .plt section. Leave the value alone. */
6897 sym->st_shndx = SHN_UNDEF;
6898 }
6899 }
6900
6901 if (h->got.offset != (bfd_vma) -1
6902 && sh_elf_hash_entry (h)->tls_type != GOT_TLS_GD
6903 && sh_elf_hash_entry (h)->tls_type != GOT_TLS_IE)
6904 {
6905 asection *sgot;
6906 asection *srel;
6907 Elf_Internal_Rela rel;
6908 bfd_byte *loc;
6909
6910 /* This symbol has an entry in the global offset table. Set it
6911 up. */
6912
6913 sgot = htab->sgot;
6914 srel = htab->srelgot;
6915 BFD_ASSERT (sgot != NULL && srel != NULL);
6916
6917 rel.r_offset = (sgot->output_section->vma
6918 + sgot->output_offset
6919 + (h->got.offset &~ (bfd_vma) 1));
6920
6921 /* If this is a static link, or it is a -Bsymbolic link and the
6922 symbol is defined locally or was forced to be local because
6923 of a version file, we just want to emit a RELATIVE reloc.
6924 The entry in the global offset table will already have been
6925 initialized in the relocate_section function. */
6926 if (info->shared
6927 && SYMBOL_REFERENCES_LOCAL (info, h))
6928 {
6929 rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
6930 rel.r_addend = (h->root.u.def.value
6931 + h->root.u.def.section->output_section->vma
6932 + h->root.u.def.section->output_offset);
6933 }
6934 else
6935 {
6936 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
6937 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT);
6938 rel.r_addend = 0;
6939 }
6940
6941 loc = srel->contents;
6942 loc += srel->reloc_count++ * sizeof (Elf32_External_Rela);
6943 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
6944 }
6945
6946 #ifdef INCLUDE_SHMEDIA
6947 {
6948 struct elf_sh_link_hash_entry *eh;
6949
6950 eh = (struct elf_sh_link_hash_entry *) h;
6951 if (eh->datalabel_got.offset != (bfd_vma) -1)
6952 {
6953 asection *sgot;
6954 asection *srel;
6955 Elf_Internal_Rela rel;
6956 bfd_byte *loc;
6957
6958 /* This symbol has a datalabel entry in the global offset table.
6959 Set it up. */
6960
6961 sgot = htab->sgot;
6962 srel = htab->srelgot;
6963 BFD_ASSERT (sgot != NULL && srel != NULL);
6964
6965 rel.r_offset = (sgot->output_section->vma
6966 + sgot->output_offset
6967 + (eh->datalabel_got.offset &~ (bfd_vma) 1));
6968
6969 /* If this is a static link, or it is a -Bsymbolic link and the
6970 symbol is defined locally or was forced to be local because
6971 of a version file, we just want to emit a RELATIVE reloc.
6972 The entry in the global offset table will already have been
6973 initialized in the relocate_section function. */
6974 if (info->shared
6975 && SYMBOL_REFERENCES_LOCAL (info, h))
6976 {
6977 rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
6978 rel.r_addend = (h->root.u.def.value
6979 + h->root.u.def.section->output_section->vma
6980 + h->root.u.def.section->output_offset);
6981 }
6982 else
6983 {
6984 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents
6985 + eh->datalabel_got.offset);
6986 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT);
6987 rel.r_addend = 0;
6988 }
6989
6990 loc = srel->contents;
6991 loc += srel->reloc_count++ * sizeof (Elf32_External_Rela);
6992 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
6993 }
6994 }
6995 #endif
6996
6997 if (h->needs_copy)
6998 {
6999 asection *s;
7000 Elf_Internal_Rela rel;
7001 bfd_byte *loc;
7002
7003 /* This symbol needs a copy reloc. Set it up. */
7004
7005 BFD_ASSERT (h->dynindx != -1
7006 && (h->root.type == bfd_link_hash_defined
7007 || h->root.type == bfd_link_hash_defweak));
7008
7009 s = bfd_get_section_by_name (h->root.u.def.section->owner,
7010 ".rela.bss");
7011 BFD_ASSERT (s != NULL);
7012
7013 rel.r_offset = (h->root.u.def.value
7014 + h->root.u.def.section->output_section->vma
7015 + h->root.u.def.section->output_offset);
7016 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_COPY);
7017 rel.r_addend = 0;
7018 loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela);
7019 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
7020 }
7021
7022 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */
7023 if (strcmp (h->root.root.string, "_DYNAMIC") == 0
7024 || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
7025 sym->st_shndx = SHN_ABS;
7026
7027 return TRUE;
7028 }
7029
7030 /* Finish up the dynamic sections. */
7031
7032 static bfd_boolean
7033 sh_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
7034 {
7035 struct elf_sh_link_hash_table *htab;
7036 asection *sgot;
7037 asection *sdyn;
7038
7039 htab = sh_elf_hash_table (info);
7040 sgot = htab->sgotplt;
7041 sdyn = bfd_get_section_by_name (htab->root.dynobj, ".dynamic");
7042
7043 if (htab->root.dynamic_sections_created)
7044 {
7045 asection *splt;
7046 Elf32_External_Dyn *dyncon, *dynconend;
7047
7048 BFD_ASSERT (sgot != NULL && sdyn != NULL);
7049
7050 dyncon = (Elf32_External_Dyn *) sdyn->contents;
7051 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
7052 for (; dyncon < dynconend; dyncon++)
7053 {
7054 Elf_Internal_Dyn dyn;
7055 asection *s;
7056 #ifdef INCLUDE_SHMEDIA
7057 const char *name;
7058 #endif
7059
7060 bfd_elf32_swap_dyn_in (htab->root.dynobj, dyncon, &dyn);
7061
7062 switch (dyn.d_tag)
7063 {
7064 default:
7065 break;
7066
7067 #ifdef INCLUDE_SHMEDIA
7068 case DT_INIT:
7069 name = info->init_function;
7070 goto get_sym;
7071
7072 case DT_FINI:
7073 name = info->fini_function;
7074 get_sym:
7075 if (dyn.d_un.d_val != 0)
7076 {
7077 struct elf_link_hash_entry *h;
7078
7079 h = elf_link_hash_lookup (&htab->root, name,
7080 FALSE, FALSE, TRUE);
7081 if (h != NULL && (h->other & STO_SH5_ISA32))
7082 {
7083 dyn.d_un.d_val |= 1;
7084 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7085 }
7086 }
7087 break;
7088 #endif
7089
7090 case DT_PLTGOT:
7091 s = htab->sgot->output_section;
7092 goto get_vma;
7093
7094 case DT_JMPREL:
7095 s = htab->srelplt->output_section;
7096 get_vma:
7097 BFD_ASSERT (s != NULL);
7098 dyn.d_un.d_ptr = s->vma;
7099 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7100 break;
7101
7102 case DT_PLTRELSZ:
7103 s = htab->srelplt->output_section;
7104 BFD_ASSERT (s != NULL);
7105 dyn.d_un.d_val = s->size;
7106 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7107 break;
7108
7109 case DT_RELASZ:
7110 /* My reading of the SVR4 ABI indicates that the
7111 procedure linkage table relocs (DT_JMPREL) should be
7112 included in the overall relocs (DT_RELA). This is
7113 what Solaris does. However, UnixWare can not handle
7114 that case. Therefore, we override the DT_RELASZ entry
7115 here to make it not include the JMPREL relocs. Since
7116 the linker script arranges for .rela.plt to follow all
7117 other relocation sections, we don't have to worry
7118 about changing the DT_RELA entry. */
7119 if (htab->srelplt != NULL)
7120 {
7121 s = htab->srelplt->output_section;
7122 dyn.d_un.d_val -= s->size;
7123 }
7124 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7125 break;
7126 }
7127 }
7128
7129 /* Fill in the first entry in the procedure linkage table. */
7130 splt = htab->splt;
7131 if (splt && splt->size > 0)
7132 {
7133 if (info->shared)
7134 {
7135 if (elf_sh_pic_plt_entry == NULL)
7136 {
7137 elf_sh_pic_plt_entry = (bfd_big_endian (output_bfd) ?
7138 elf_sh_pic_plt_entry_be :
7139 elf_sh_pic_plt_entry_le);
7140 }
7141 memcpy (splt->contents, elf_sh_pic_plt_entry,
7142 elf_sh_sizeof_plt (info));
7143 }
7144 else
7145 {
7146 if (elf_sh_plt0_entry == NULL)
7147 {
7148 elf_sh_plt0_entry = (bfd_big_endian (output_bfd) ?
7149 elf_sh_plt0_entry_be :
7150 elf_sh_plt0_entry_le);
7151 }
7152 memcpy (splt->contents, elf_sh_plt0_entry, PLT_ENTRY_SIZE);
7153 #ifdef INCLUDE_SHMEDIA
7154 movi_shori_putval (output_bfd,
7155 sgot->output_section->vma
7156 + sgot->output_offset,
7157 splt->contents
7158 + elf_sh_plt0_gotplt_offset (info));
7159 #else
7160 bfd_put_32 (output_bfd,
7161 sgot->output_section->vma + sgot->output_offset + 4,
7162 splt->contents + elf_sh_plt0_gotid_offset (info));
7163 bfd_put_32 (output_bfd,
7164 sgot->output_section->vma + sgot->output_offset + 8,
7165 splt->contents + elf_sh_plt0_linker_offset (info));
7166 #endif
7167 }
7168
7169 /* UnixWare sets the entsize of .plt to 4, although that doesn't
7170 really seem like the right value. */
7171 elf_section_data (splt->output_section)->this_hdr.sh_entsize = 4;
7172 }
7173 }
7174
7175 /* Fill in the first three entries in the global offset table. */
7176 if (sgot && sgot->size > 0)
7177 {
7178 if (sdyn == NULL)
7179 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents);
7180 else
7181 bfd_put_32 (output_bfd,
7182 sdyn->output_section->vma + sdyn->output_offset,
7183 sgot->contents);
7184 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 4);
7185 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 8);
7186
7187 elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
7188 }
7189
7190 return TRUE;
7191 }
7192
7193 static enum elf_reloc_type_class
7194 sh_elf_reloc_type_class (const Elf_Internal_Rela *rela)
7195 {
7196 switch ((int) ELF32_R_TYPE (rela->r_info))
7197 {
7198 case R_SH_RELATIVE:
7199 return reloc_class_relative;
7200 case R_SH_JMP_SLOT:
7201 return reloc_class_plt;
7202 case R_SH_COPY:
7203 return reloc_class_copy;
7204 default:
7205 return reloc_class_normal;
7206 }
7207 }
7208
7209 #if !defined SH_TARGET_ALREADY_DEFINED
7210 /* Support for Linux core dump NOTE sections. */
7211
7212 static bfd_boolean
7213 elf32_shlin_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
7214 {
7215 int offset;
7216 unsigned int size;
7217
7218 switch (note->descsz)
7219 {
7220 default:
7221 return FALSE;
7222
7223 case 168: /* Linux/SH */
7224 /* pr_cursig */
7225 elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12);
7226
7227 /* pr_pid */
7228 elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 24);
7229
7230 /* pr_reg */
7231 offset = 72;
7232 size = 92;
7233
7234 break;
7235 }
7236
7237 /* Make a ".reg/999" section. */
7238 return _bfd_elfcore_make_pseudosection (abfd, ".reg",
7239 size, note->descpos + offset);
7240 }
7241
7242 static bfd_boolean
7243 elf32_shlin_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
7244 {
7245 switch (note->descsz)
7246 {
7247 default:
7248 return FALSE;
7249
7250 case 124: /* Linux/SH elf_prpsinfo */
7251 elf_tdata (abfd)->core_program
7252 = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
7253 elf_tdata (abfd)->core_command
7254 = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
7255 }
7256
7257 /* Note that for some reason, a spurious space is tacked
7258 onto the end of the args in some (at least one anyway)
7259 implementations, so strip it off if it exists. */
7260
7261 {
7262 char *command = elf_tdata (abfd)->core_command;
7263 int n = strlen (command);
7264
7265 if (0 < n && command[n - 1] == ' ')
7266 command[n - 1] = '\0';
7267 }
7268
7269 return TRUE;
7270 }
7271 #endif /* not SH_TARGET_ALREADY_DEFINED */
7272
7273
7274 /* Return address for Ith PLT stub in section PLT, for relocation REL
7275 or (bfd_vma) -1 if it should not be included. */
7276
7277 static bfd_vma
7278 sh_elf_plt_sym_val (bfd_vma i, const asection *plt,
7279 const arelent *rel ATTRIBUTE_UNUSED)
7280 {
7281 return plt->vma + (i + 1) * PLT_ENTRY_SIZE;
7282 }
7283
7284 #if !defined SH_TARGET_ALREADY_DEFINED
7285 #define TARGET_BIG_SYM bfd_elf32_sh_vec
7286 #define TARGET_BIG_NAME "elf32-sh"
7287 #define TARGET_LITTLE_SYM bfd_elf32_shl_vec
7288 #define TARGET_LITTLE_NAME "elf32-shl"
7289 #endif
7290
7291 #define ELF_ARCH bfd_arch_sh
7292 #define ELF_MACHINE_CODE EM_SH
7293 #ifdef __QNXTARGET__
7294 #define ELF_MAXPAGESIZE 0x1000
7295 #else
7296 #define ELF_MAXPAGESIZE 0x80
7297 #endif
7298
7299 #define elf_symbol_leading_char '_'
7300
7301 #define bfd_elf32_bfd_reloc_type_lookup sh_elf_reloc_type_lookup
7302 #define elf_info_to_howto sh_elf_info_to_howto
7303 #define bfd_elf32_bfd_relax_section sh_elf_relax_section
7304 #define elf_backend_relocate_section sh_elf_relocate_section
7305 #define bfd_elf32_bfd_get_relocated_section_contents \
7306 sh_elf_get_relocated_section_contents
7307 #define bfd_elf32_mkobject sh_elf_mkobject
7308 #define elf_backend_object_p sh_elf_object_p
7309 #define bfd_elf32_bfd_set_private_bfd_flags \
7310 sh_elf_set_private_flags
7311 #define bfd_elf32_bfd_copy_private_bfd_data \
7312 sh_elf_copy_private_data
7313 #define bfd_elf32_bfd_merge_private_bfd_data \
7314 sh_elf_merge_private_data
7315
7316 #define elf_backend_gc_mark_hook sh_elf_gc_mark_hook
7317 #define elf_backend_gc_sweep_hook sh_elf_gc_sweep_hook
7318 #define elf_backend_check_relocs sh_elf_check_relocs
7319 #define elf_backend_copy_indirect_symbol \
7320 sh_elf_copy_indirect_symbol
7321 #define elf_backend_create_dynamic_sections \
7322 sh_elf_create_dynamic_sections
7323 #define bfd_elf32_bfd_link_hash_table_create \
7324 sh_elf_link_hash_table_create
7325 #define elf_backend_adjust_dynamic_symbol \
7326 sh_elf_adjust_dynamic_symbol
7327 #define elf_backend_size_dynamic_sections \
7328 sh_elf_size_dynamic_sections
7329 #define elf_backend_finish_dynamic_symbol \
7330 sh_elf_finish_dynamic_symbol
7331 #define elf_backend_finish_dynamic_sections \
7332 sh_elf_finish_dynamic_sections
7333 #define elf_backend_reloc_type_class sh_elf_reloc_type_class
7334 #define elf_backend_plt_sym_val sh_elf_plt_sym_val
7335
7336 #define elf_backend_can_gc_sections 1
7337 #define elf_backend_can_refcount 1
7338 #define elf_backend_want_got_plt 1
7339 #define elf_backend_plt_readonly 1
7340 #define elf_backend_want_plt_sym 0
7341 #define elf_backend_got_header_size 12
7342
7343 #if !defined INCLUDE_SHMEDIA && !defined SH_TARGET_ALREADY_DEFINED
7344
7345 #include "elf32-target.h"
7346
7347 /* NetBSD support. */
7348 #undef TARGET_BIG_SYM
7349 #define TARGET_BIG_SYM bfd_elf32_shnbsd_vec
7350 #undef TARGET_BIG_NAME
7351 #define TARGET_BIG_NAME "elf32-sh-nbsd"
7352 #undef TARGET_LITTLE_SYM
7353 #define TARGET_LITTLE_SYM bfd_elf32_shlnbsd_vec
7354 #undef TARGET_LITTLE_NAME
7355 #define TARGET_LITTLE_NAME "elf32-shl-nbsd"
7356 #undef ELF_MAXPAGESIZE
7357 #define ELF_MAXPAGESIZE 0x10000
7358 #undef elf_symbol_leading_char
7359 #define elf_symbol_leading_char 0
7360 #undef elf32_bed
7361 #define elf32_bed elf32_sh_nbsd_bed
7362
7363 #include "elf32-target.h"
7364
7365
7366 /* Linux support. */
7367 #undef TARGET_BIG_SYM
7368 #define TARGET_BIG_SYM bfd_elf32_shblin_vec
7369 #undef TARGET_BIG_NAME
7370 #define TARGET_BIG_NAME "elf32-shbig-linux"
7371 #undef TARGET_LITTLE_SYM
7372 #define TARGET_LITTLE_SYM bfd_elf32_shlin_vec
7373 #undef TARGET_LITTLE_NAME
7374 #define TARGET_LITTLE_NAME "elf32-sh-linux"
7375
7376 #undef elf_backend_grok_prstatus
7377 #define elf_backend_grok_prstatus elf32_shlin_grok_prstatus
7378 #undef elf_backend_grok_psinfo
7379 #define elf_backend_grok_psinfo elf32_shlin_grok_psinfo
7380 #undef elf32_bed
7381 #define elf32_bed elf32_sh_lin_bed
7382
7383 #include "elf32-target.h"
7384
7385 #endif /* neither INCLUDE_SHMEDIA nor SH_TARGET_ALREADY_DEFINED */
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