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Update email addresses for bugs and patches.
[binutils.git] / bfd / elf32-sh.c
blobc8bbe7152dbe10b3251c0cd2291181ce8a79a34a
1 /* Hitachi SH specific support for 32-bit ELF
2 Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002
3 Free Software Foundation, Inc.
4 Contributed by Ian Lance Taylor, Cygnus Support.
5
6 This file is part of BFD, the Binary File Descriptor library.
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
21
22 #include "bfd.h"
23 #include "sysdep.h"
24 #include "bfdlink.h"
25 #include "libbfd.h"
26 #include "elf-bfd.h"
27 #include "elf/sh.h"
28
29 static bfd_reloc_status_type sh_elf_reloc
30 PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
31 static bfd_reloc_status_type sh_elf_ignore_reloc
32 PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
33 static reloc_howto_type *sh_elf_reloc_type_lookup
34 PARAMS ((bfd *, bfd_reloc_code_real_type));
35 static void sh_elf_info_to_howto
36 PARAMS ((bfd *, arelent *, Elf_Internal_Rela *));
37 static boolean sh_elf_set_private_flags
38 PARAMS ((bfd *, flagword));
39 static boolean sh_elf_copy_private_data
40 PARAMS ((bfd *, bfd *));
41 static boolean sh_elf_merge_private_data
42 PARAMS ((bfd *, bfd *));
43 static boolean sh_elf_set_mach_from_flags
44 PARAMS ((bfd *));
45 static boolean sh_elf_relax_section
46 PARAMS ((bfd *, asection *, struct bfd_link_info *, boolean *));
47 static boolean sh_elf_relax_delete_bytes
48 PARAMS ((bfd *, asection *, bfd_vma, int));
49 static boolean sh_elf_align_loads
50 PARAMS ((bfd *, asection *, Elf_Internal_Rela *, bfd_byte *, boolean *));
51 static boolean sh_elf_swap_insns
52 PARAMS ((bfd *, asection *, PTR, bfd_byte *, bfd_vma));
53 static boolean sh_elf_relocate_section
54 PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
55 Elf_Internal_Rela *, Elf_Internal_Sym *, asection **));
56 static bfd_byte *sh_elf_get_relocated_section_contents
57 PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *,
58 bfd_byte *, boolean, asymbol **));
59 static void sh_elf_copy_indirect_symbol
60 PARAMS ((struct elf_backend_data *, struct elf_link_hash_entry *,
61 struct elf_link_hash_entry *));
62 static boolean sh_elf_check_relocs
63 PARAMS ((bfd *, struct bfd_link_info *, asection *,
64 const Elf_Internal_Rela *));
65 static struct bfd_hash_entry *sh_elf_link_hash_newfunc
66 PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
67 static struct bfd_link_hash_table *sh_elf_link_hash_table_create
68 PARAMS ((bfd *));
69 static boolean sh_elf_adjust_dynamic_symbol
70 PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *));
71 static boolean sh_elf_size_dynamic_sections
72 PARAMS ((bfd *, struct bfd_link_info *));
73 static boolean sh_elf_finish_dynamic_symbol
74 PARAMS ((bfd *, struct bfd_link_info *, struct elf_link_hash_entry *,
75 Elf_Internal_Sym *));
76 static boolean sh_elf_finish_dynamic_sections
77 PARAMS ((bfd *, struct bfd_link_info *));
78 static bfd_reloc_status_type sh_elf_reloc_loop
79 PARAMS ((int, bfd *, asection *, bfd_byte *, bfd_vma, asection *,
80 bfd_vma, bfd_vma));
81 static boolean create_got_section
82 PARAMS((bfd *, struct bfd_link_info *));
83 static boolean sh_elf_create_dynamic_sections
84 PARAMS ((bfd *, struct bfd_link_info *));
85 static asection * sh_elf_gc_mark_hook
86 PARAMS ((asection *, struct bfd_link_info *, Elf_Internal_Rela *,
87 struct elf_link_hash_entry *, Elf_Internal_Sym *));
88 static boolean sh_elf_gc_sweep_hook
89 PARAMS ((bfd *, struct bfd_link_info *, asection *,
90 const Elf_Internal_Rela *));
91 static boolean allocate_dynrelocs
92 PARAMS ((struct elf_link_hash_entry *, PTR));
93 static boolean readonly_dynrelocs
94 PARAMS ((struct elf_link_hash_entry *, PTR));
95 static enum elf_reloc_type_class sh_elf_reloc_type_class
96 PARAMS ((const Elf_Internal_Rela *));
97 #ifdef INCLUDE_SHMEDIA
98 inline static void movi_shori_putval PARAMS ((bfd *, unsigned long, char *));
99 #endif
100
101 /* The name of the dynamic interpreter. This is put in the .interp
102 section. */
103
104 #define ELF_DYNAMIC_INTERPRETER "/usr/lib/libc.so.1"
105
106 static reloc_howto_type sh_elf_howto_table[] =
107 {
108 /* No relocation. */
109 HOWTO (R_SH_NONE, /* type */
110 0, /* rightshift */
111 0, /* size (0 = byte, 1 = short, 2 = long) */
112 0, /* bitsize */
113 false, /* pc_relative */
114 0, /* bitpos */
115 complain_overflow_dont, /* complain_on_overflow */
116 sh_elf_ignore_reloc, /* special_function */
117 "R_SH_NONE", /* name */
118 false, /* partial_inplace */
119 0, /* src_mask */
120 0, /* dst_mask */
121 false), /* pcrel_offset */
122
123 /* 32 bit absolute relocation. Setting partial_inplace to true and
124 src_mask to a non-zero value is similar to the COFF toolchain. */
125 HOWTO (R_SH_DIR32, /* type */
126 0, /* rightshift */
127 2, /* size (0 = byte, 1 = short, 2 = long) */
128 32, /* bitsize */
129 false, /* pc_relative */
130 0, /* bitpos */
131 complain_overflow_bitfield, /* complain_on_overflow */
132 sh_elf_reloc, /* special_function */
133 "R_SH_DIR32", /* name */
134 true, /* partial_inplace */
135 0xffffffff, /* src_mask */
136 0xffffffff, /* dst_mask */
137 false), /* pcrel_offset */
138
139 /* 32 bit PC relative relocation. */
140 HOWTO (R_SH_REL32, /* type */
141 0, /* rightshift */
142 2, /* size (0 = byte, 1 = short, 2 = long) */
143 32, /* bitsize */
144 true, /* pc_relative */
145 0, /* bitpos */
146 complain_overflow_signed, /* complain_on_overflow */
147 sh_elf_ignore_reloc, /* special_function */
148 "R_SH_REL32", /* name */
149 true, /* partial_inplace */
150 0xffffffff, /* src_mask */
151 0xffffffff, /* dst_mask */
152 true), /* pcrel_offset */
153
154 /* 8 bit PC relative branch divided by 2. */
155 HOWTO (R_SH_DIR8WPN, /* type */
156 1, /* rightshift */
157 1, /* size (0 = byte, 1 = short, 2 = long) */
158 8, /* bitsize */
159 true, /* pc_relative */
160 0, /* bitpos */
161 complain_overflow_signed, /* complain_on_overflow */
162 sh_elf_ignore_reloc, /* special_function */
163 "R_SH_DIR8WPN", /* name */
164 true, /* partial_inplace */
165 0xff, /* src_mask */
166 0xff, /* dst_mask */
167 true), /* pcrel_offset */
168
169 /* 12 bit PC relative branch divided by 2. */
170 HOWTO (R_SH_IND12W, /* type */
171 1, /* rightshift */
172 1, /* size (0 = byte, 1 = short, 2 = long) */
173 12, /* bitsize */
174 true, /* pc_relative */
175 0, /* bitpos */
176 complain_overflow_signed, /* complain_on_overflow */
177 sh_elf_reloc, /* special_function */
178 "R_SH_IND12W", /* name */
179 true, /* partial_inplace */
180 0xfff, /* src_mask */
181 0xfff, /* dst_mask */
182 true), /* pcrel_offset */
183
184 /* 8 bit unsigned PC relative divided by 4. */
185 HOWTO (R_SH_DIR8WPL, /* type */
186 2, /* rightshift */
187 1, /* size (0 = byte, 1 = short, 2 = long) */
188 8, /* bitsize */
189 true, /* pc_relative */
190 0, /* bitpos */
191 complain_overflow_unsigned, /* complain_on_overflow */
192 sh_elf_ignore_reloc, /* special_function */
193 "R_SH_DIR8WPL", /* name */
194 true, /* partial_inplace */
195 0xff, /* src_mask */
196 0xff, /* dst_mask */
197 true), /* pcrel_offset */
198
199 /* 8 bit unsigned PC relative divided by 2. */
200 HOWTO (R_SH_DIR8WPZ, /* type */
201 1, /* rightshift */
202 1, /* size (0 = byte, 1 = short, 2 = long) */
203 8, /* bitsize */
204 true, /* pc_relative */
205 0, /* bitpos */
206 complain_overflow_unsigned, /* complain_on_overflow */
207 sh_elf_ignore_reloc, /* special_function */
208 "R_SH_DIR8WPZ", /* name */
209 true, /* partial_inplace */
210 0xff, /* src_mask */
211 0xff, /* dst_mask */
212 true), /* pcrel_offset */
213
214 /* 8 bit GBR relative. FIXME: This only makes sense if we have some
215 special symbol for the GBR relative area, and that is not
216 implemented. */
217 HOWTO (R_SH_DIR8BP, /* type */
218 0, /* rightshift */
219 1, /* size (0 = byte, 1 = short, 2 = long) */
220 8, /* bitsize */
221 false, /* pc_relative */
222 0, /* bitpos */
223 complain_overflow_unsigned, /* complain_on_overflow */
224 sh_elf_ignore_reloc, /* special_function */
225 "R_SH_DIR8BP", /* name */
226 false, /* partial_inplace */
227 0, /* src_mask */
228 0xff, /* dst_mask */
229 true), /* pcrel_offset */
230
231 /* 8 bit GBR relative divided by 2. FIXME: This only makes sense if
232 we have some special symbol for the GBR relative area, and that
233 is not implemented. */
234 HOWTO (R_SH_DIR8W, /* type */
235 1, /* rightshift */
236 1, /* size (0 = byte, 1 = short, 2 = long) */
237 8, /* bitsize */
238 false, /* pc_relative */
239 0, /* bitpos */
240 complain_overflow_unsigned, /* complain_on_overflow */
241 sh_elf_ignore_reloc, /* special_function */
242 "R_SH_DIR8W", /* name */
243 false, /* partial_inplace */
244 0, /* src_mask */
245 0xff, /* dst_mask */
246 true), /* pcrel_offset */
247
248 /* 8 bit GBR relative divided by 4. FIXME: This only makes sense if
249 we have some special symbol for the GBR relative area, and that
250 is not implemented. */
251 HOWTO (R_SH_DIR8L, /* type */
252 2, /* rightshift */
253 1, /* size (0 = byte, 1 = short, 2 = long) */
254 8, /* bitsize */
255 false, /* pc_relative */
256 0, /* bitpos */
257 complain_overflow_unsigned, /* complain_on_overflow */
258 sh_elf_ignore_reloc, /* special_function */
259 "R_SH_DIR8L", /* name */
260 false, /* partial_inplace */
261 0, /* src_mask */
262 0xff, /* dst_mask */
263 true), /* pcrel_offset */
264
265 EMPTY_HOWTO (10),
266 EMPTY_HOWTO (11),
267 EMPTY_HOWTO (12),
268 EMPTY_HOWTO (13),
269 EMPTY_HOWTO (14),
270 EMPTY_HOWTO (15),
271 EMPTY_HOWTO (16),
272 EMPTY_HOWTO (17),
273 EMPTY_HOWTO (18),
274 EMPTY_HOWTO (19),
275 EMPTY_HOWTO (20),
276 EMPTY_HOWTO (21),
277 EMPTY_HOWTO (22),
278 EMPTY_HOWTO (23),
279 EMPTY_HOWTO (24),
280
281 /* The remaining relocs are a GNU extension used for relaxing. The
282 final pass of the linker never needs to do anything with any of
283 these relocs. Any required operations are handled by the
284 relaxation code. */
285
286 /* A 16 bit switch table entry. This is generated for an expression
287 such as ``.word L1 - L2''. The offset holds the difference
288 between the reloc address and L2. */
289 HOWTO (R_SH_SWITCH16, /* type */
290 0, /* rightshift */
291 1, /* size (0 = byte, 1 = short, 2 = long) */
292 16, /* bitsize */
293 false, /* pc_relative */
294 0, /* bitpos */
295 complain_overflow_unsigned, /* complain_on_overflow */
296 sh_elf_ignore_reloc, /* special_function */
297 "R_SH_SWITCH16", /* name */
298 false, /* partial_inplace */
299 0, /* src_mask */
300 0, /* dst_mask */
301 true), /* pcrel_offset */
302
303 /* A 32 bit switch table entry. This is generated for an expression
304 such as ``.long L1 - L2''. The offset holds the difference
305 between the reloc address and L2. */
306 HOWTO (R_SH_SWITCH32, /* type */
307 0, /* rightshift */
308 2, /* size (0 = byte, 1 = short, 2 = long) */
309 32, /* bitsize */
310 false, /* pc_relative */
311 0, /* bitpos */
312 complain_overflow_unsigned, /* complain_on_overflow */
313 sh_elf_ignore_reloc, /* special_function */
314 "R_SH_SWITCH32", /* name */
315 false, /* partial_inplace */
316 0, /* src_mask */
317 0, /* dst_mask */
318 true), /* pcrel_offset */
319
320 /* Indicates a .uses pseudo-op. The compiler will generate .uses
321 pseudo-ops when it finds a function call which can be relaxed.
322 The offset field holds the PC relative offset to the instruction
323 which loads the register used in the function call. */
324 HOWTO (R_SH_USES, /* type */
325 0, /* rightshift */
326 1, /* size (0 = byte, 1 = short, 2 = long) */
327 0, /* bitsize */
328 false, /* pc_relative */
329 0, /* bitpos */
330 complain_overflow_unsigned, /* complain_on_overflow */
331 sh_elf_ignore_reloc, /* special_function */
332 "R_SH_USES", /* name */
333 false, /* partial_inplace */
334 0, /* src_mask */
335 0, /* dst_mask */
336 true), /* pcrel_offset */
337
338 /* The assembler will generate this reloc for addresses referred to
339 by the register loads associated with USES relocs. The offset
340 field holds the number of times the address is referenced in the
341 object file. */
342 HOWTO (R_SH_COUNT, /* type */
343 0, /* rightshift */
344 1, /* size (0 = byte, 1 = short, 2 = long) */
345 0, /* bitsize */
346 false, /* pc_relative */
347 0, /* bitpos */
348 complain_overflow_unsigned, /* complain_on_overflow */
349 sh_elf_ignore_reloc, /* special_function */
350 "R_SH_COUNT", /* name */
351 false, /* partial_inplace */
352 0, /* src_mask */
353 0, /* dst_mask */
354 true), /* pcrel_offset */
355
356 /* Indicates an alignment statement. The offset field is the power
357 of 2 to which subsequent portions of the object file must be
358 aligned. */
359 HOWTO (R_SH_ALIGN, /* type */
360 0, /* rightshift */
361 1, /* size (0 = byte, 1 = short, 2 = long) */
362 0, /* bitsize */
363 false, /* pc_relative */
364 0, /* bitpos */
365 complain_overflow_unsigned, /* complain_on_overflow */
366 sh_elf_ignore_reloc, /* special_function */
367 "R_SH_ALIGN", /* name */
368 false, /* partial_inplace */
369 0, /* src_mask */
370 0, /* dst_mask */
371 true), /* pcrel_offset */
372
373 /* The assembler will generate this reloc before a block of
374 instructions. A section should be processed as assumining it
375 contains data, unless this reloc is seen. */
376 HOWTO (R_SH_CODE, /* type */
377 0, /* rightshift */
378 1, /* size (0 = byte, 1 = short, 2 = long) */
379 0, /* bitsize */
380 false, /* pc_relative */
381 0, /* bitpos */
382 complain_overflow_unsigned, /* complain_on_overflow */
383 sh_elf_ignore_reloc, /* special_function */
384 "R_SH_CODE", /* name */
385 false, /* partial_inplace */
386 0, /* src_mask */
387 0, /* dst_mask */
388 true), /* pcrel_offset */
389
390 /* The assembler will generate this reloc after a block of
391 instructions when it sees data that is not instructions. */
392 HOWTO (R_SH_DATA, /* type */
393 0, /* rightshift */
394 1, /* size (0 = byte, 1 = short, 2 = long) */
395 0, /* bitsize */
396 false, /* pc_relative */
397 0, /* bitpos */
398 complain_overflow_unsigned, /* complain_on_overflow */
399 sh_elf_ignore_reloc, /* special_function */
400 "R_SH_DATA", /* name */
401 false, /* partial_inplace */
402 0, /* src_mask */
403 0, /* dst_mask */
404 true), /* pcrel_offset */
405
406 /* The assembler generates this reloc for each label within a block
407 of instructions. This permits the linker to avoid swapping
408 instructions which are the targets of branches. */
409 HOWTO (R_SH_LABEL, /* type */
410 0, /* rightshift */
411 1, /* size (0 = byte, 1 = short, 2 = long) */
412 0, /* bitsize */
413 false, /* pc_relative */
414 0, /* bitpos */
415 complain_overflow_unsigned, /* complain_on_overflow */
416 sh_elf_ignore_reloc, /* special_function */
417 "R_SH_LABEL", /* name */
418 false, /* partial_inplace */
419 0, /* src_mask */
420 0, /* dst_mask */
421 true), /* pcrel_offset */
422
423 /* An 8 bit switch table entry. This is generated for an expression
424 such as ``.word L1 - L2''. The offset holds the difference
425 between the reloc address and L2. */
426 HOWTO (R_SH_SWITCH8, /* type */
427 0, /* rightshift */
428 0, /* size (0 = byte, 1 = short, 2 = long) */
429 8, /* bitsize */
430 false, /* pc_relative */
431 0, /* bitpos */
432 complain_overflow_unsigned, /* complain_on_overflow */
433 sh_elf_ignore_reloc, /* special_function */
434 "R_SH_SWITCH8", /* name */
435 false, /* partial_inplace */
436 0, /* src_mask */
437 0, /* dst_mask */
438 true), /* pcrel_offset */
439
440 /* GNU extension to record C++ vtable hierarchy */
441 HOWTO (R_SH_GNU_VTINHERIT, /* type */
442 0, /* rightshift */
443 2, /* size (0 = byte, 1 = short, 2 = long) */
444 0, /* bitsize */
445 false, /* pc_relative */
446 0, /* bitpos */
447 complain_overflow_dont, /* complain_on_overflow */
448 NULL, /* special_function */
449 "R_SH_GNU_VTINHERIT", /* name */
450 false, /* partial_inplace */
451 0, /* src_mask */
452 0, /* dst_mask */
453 false), /* pcrel_offset */
454
455 /* GNU extension to record C++ vtable member usage */
456 HOWTO (R_SH_GNU_VTENTRY, /* type */
457 0, /* rightshift */
458 2, /* size (0 = byte, 1 = short, 2 = long) */
459 0, /* bitsize */
460 false, /* pc_relative */
461 0, /* bitpos */
462 complain_overflow_dont, /* complain_on_overflow */
463 _bfd_elf_rel_vtable_reloc_fn, /* special_function */
464 "R_SH_GNU_VTENTRY", /* name */
465 false, /* partial_inplace */
466 0, /* src_mask */
467 0, /* dst_mask */
468 false), /* pcrel_offset */
469
470 /* 8 bit PC relative divided by 2 - but specified in a very odd way. */
471 HOWTO (R_SH_LOOP_START, /* type */
472 1, /* rightshift */
473 1, /* size (0 = byte, 1 = short, 2 = long) */
474 8, /* bitsize */
475 false, /* pc_relative */
476 0, /* bitpos */
477 complain_overflow_signed, /* complain_on_overflow */
478 sh_elf_ignore_reloc, /* special_function */
479 "R_SH_LOOP_START", /* name */
480 true, /* partial_inplace */
481 0xff, /* src_mask */
482 0xff, /* dst_mask */
483 true), /* pcrel_offset */
484
485 /* 8 bit PC relative divided by 2 - but specified in a very odd way. */
486 HOWTO (R_SH_LOOP_END, /* type */
487 1, /* rightshift */
488 1, /* size (0 = byte, 1 = short, 2 = long) */
489 8, /* bitsize */
490 false, /* pc_relative */
491 0, /* bitpos */
492 complain_overflow_signed, /* complain_on_overflow */
493 sh_elf_ignore_reloc, /* special_function */
494 "R_SH_LOOP_END", /* name */
495 true, /* partial_inplace */
496 0xff, /* src_mask */
497 0xff, /* dst_mask */
498 true), /* pcrel_offset */
499
500 EMPTY_HOWTO (38),
501 EMPTY_HOWTO (39),
502 EMPTY_HOWTO (40),
503 EMPTY_HOWTO (41),
504 EMPTY_HOWTO (42),
505 EMPTY_HOWTO (43),
506 EMPTY_HOWTO (44),
507
508 #ifdef INCLUDE_SHMEDIA
509 /* Used in SHLLI.L and SHLRI.L. */
510 HOWTO (R_SH_DIR5U, /* type */
511 0, /* rightshift */
512 2, /* size (0 = byte, 1 = short, 2 = long) */
513 5, /* bitsize */
514 false, /* pc_relative */
515 10, /* bitpos */
516 complain_overflow_unsigned, /* complain_on_overflow */
517 bfd_elf_generic_reloc, /* special_function */
518 "R_SH_DIR5U", /* name */
519 false, /* partial_inplace */
520 0, /* src_mask */
521 0xfc00, /* dst_mask */
522 false), /* pcrel_offset */
523
524 /* Used in SHARI, SHLLI et al. */
525 HOWTO (R_SH_DIR6U, /* type */
526 0, /* rightshift */
527 2, /* size (0 = byte, 1 = short, 2 = long) */
528 6, /* bitsize */
529 false, /* pc_relative */
530 10, /* bitpos */
531 complain_overflow_unsigned, /* complain_on_overflow */
532 bfd_elf_generic_reloc, /* special_function */
533 "R_SH_DIR6U", /* name */
534 false, /* partial_inplace */
535 0, /* src_mask */
536 0xfc00, /* dst_mask */
537 false), /* pcrel_offset */
538
539 /* Used in BxxI, LDHI.L et al. */
540 HOWTO (R_SH_DIR6S, /* type */
541 0, /* rightshift */
542 2, /* size (0 = byte, 1 = short, 2 = long) */
543 6, /* bitsize */
544 false, /* pc_relative */
545 10, /* bitpos */
546 complain_overflow_signed, /* complain_on_overflow */
547 bfd_elf_generic_reloc, /* special_function */
548 "R_SH_DIR6S", /* name */
549 false, /* partial_inplace */
550 0, /* src_mask */
551 0xfc00, /* dst_mask */
552 false), /* pcrel_offset */
553
554 /* Used in ADDI, ANDI et al. */
555 HOWTO (R_SH_DIR10S, /* type */
556 0, /* rightshift */
557 2, /* size (0 = byte, 1 = short, 2 = long) */
558 10, /* bitsize */
559 false, /* pc_relative */
560 10, /* bitpos */
561 complain_overflow_signed, /* complain_on_overflow */
562 bfd_elf_generic_reloc, /* special_function */
563 "R_SH_DIR10S", /* name */
564 false, /* partial_inplace */
565 0, /* src_mask */
566 0xffc00, /* dst_mask */
567 false), /* pcrel_offset */
568
569 /* Used in LD.UW, ST.W et al. */
570 HOWTO (R_SH_DIR10SW, /* type */
571 1, /* rightshift */
572 2, /* size (0 = byte, 1 = short, 2 = long) */
573 11, /* bitsize */
574 false, /* pc_relative */
575 10, /* bitpos */
576 complain_overflow_signed, /* complain_on_overflow */
577 bfd_elf_generic_reloc, /* special_function */
578 "R_SH_DIR10SW", /* name */
579 false, /* partial_inplace */
580 0, /* src_mask */
581 0xffc00, /* dst_mask */
582 false), /* pcrel_offset */
583
584 /* Used in LD.L, FLD.S et al. */
585 HOWTO (R_SH_DIR10SL, /* type */
586 2, /* rightshift */
587 2, /* size (0 = byte, 1 = short, 2 = long) */
588 12, /* bitsize */
589 false, /* pc_relative */
590 10, /* bitpos */
591 complain_overflow_signed, /* complain_on_overflow */
592 bfd_elf_generic_reloc, /* special_function */
593 "R_SH_DIR10SL", /* name */
594 false, /* partial_inplace */
595 0, /* src_mask */
596 0xffc00, /* dst_mask */
597 false), /* pcrel_offset */
598
599 /* Used in FLD.D, FST.P et al. */
600 HOWTO (R_SH_DIR10SQ, /* type */
601 3, /* rightshift */
602 2, /* size (0 = byte, 1 = short, 2 = long) */
603 13, /* bitsize */
604 false, /* pc_relative */
605 10, /* bitpos */
606 complain_overflow_signed, /* complain_on_overflow */
607 bfd_elf_generic_reloc, /* special_function */
608 "R_SH_DIR10SQ", /* name */
609 false, /* partial_inplace */
610 0, /* src_mask */
611 0xffc00, /* dst_mask */
612 false), /* pcrel_offset */
613
614 #else
615 EMPTY_HOWTO (45),
616 EMPTY_HOWTO (46),
617 EMPTY_HOWTO (47),
618 EMPTY_HOWTO (48),
619 EMPTY_HOWTO (49),
620 EMPTY_HOWTO (50),
621 EMPTY_HOWTO (51),
622 #endif
623
624 EMPTY_HOWTO (52),
625 EMPTY_HOWTO (53),
626 EMPTY_HOWTO (54),
627 EMPTY_HOWTO (55),
628 EMPTY_HOWTO (56),
629 EMPTY_HOWTO (57),
630 EMPTY_HOWTO (58),
631 EMPTY_HOWTO (59),
632 EMPTY_HOWTO (60),
633 EMPTY_HOWTO (61),
634 EMPTY_HOWTO (62),
635 EMPTY_HOWTO (63),
636 EMPTY_HOWTO (64),
637 EMPTY_HOWTO (65),
638 EMPTY_HOWTO (66),
639 EMPTY_HOWTO (67),
640 EMPTY_HOWTO (68),
641 EMPTY_HOWTO (69),
642 EMPTY_HOWTO (70),
643 EMPTY_HOWTO (71),
644 EMPTY_HOWTO (72),
645 EMPTY_HOWTO (73),
646 EMPTY_HOWTO (74),
647 EMPTY_HOWTO (75),
648 EMPTY_HOWTO (76),
649 EMPTY_HOWTO (77),
650 EMPTY_HOWTO (78),
651 EMPTY_HOWTO (79),
652 EMPTY_HOWTO (80),
653 EMPTY_HOWTO (81),
654 EMPTY_HOWTO (82),
655 EMPTY_HOWTO (83),
656 EMPTY_HOWTO (84),
657 EMPTY_HOWTO (85),
658 EMPTY_HOWTO (86),
659 EMPTY_HOWTO (87),
660 EMPTY_HOWTO (88),
661 EMPTY_HOWTO (89),
662 EMPTY_HOWTO (90),
663 EMPTY_HOWTO (91),
664 EMPTY_HOWTO (92),
665 EMPTY_HOWTO (93),
666 EMPTY_HOWTO (94),
667 EMPTY_HOWTO (95),
668 EMPTY_HOWTO (96),
669 EMPTY_HOWTO (97),
670 EMPTY_HOWTO (98),
671 EMPTY_HOWTO (99),
672 EMPTY_HOWTO (100),
673 EMPTY_HOWTO (101),
674 EMPTY_HOWTO (102),
675 EMPTY_HOWTO (103),
676 EMPTY_HOWTO (104),
677 EMPTY_HOWTO (105),
678 EMPTY_HOWTO (106),
679 EMPTY_HOWTO (107),
680 EMPTY_HOWTO (108),
681 EMPTY_HOWTO (109),
682 EMPTY_HOWTO (110),
683 EMPTY_HOWTO (111),
684 EMPTY_HOWTO (112),
685 EMPTY_HOWTO (113),
686 EMPTY_HOWTO (114),
687 EMPTY_HOWTO (115),
688 EMPTY_HOWTO (116),
689 EMPTY_HOWTO (117),
690 EMPTY_HOWTO (118),
691 EMPTY_HOWTO (119),
692 EMPTY_HOWTO (120),
693 EMPTY_HOWTO (121),
694 EMPTY_HOWTO (122),
695 EMPTY_HOWTO (123),
696 EMPTY_HOWTO (124),
697 EMPTY_HOWTO (125),
698 EMPTY_HOWTO (126),
699 EMPTY_HOWTO (127),
700 EMPTY_HOWTO (128),
701 EMPTY_HOWTO (129),
702 EMPTY_HOWTO (130),
703 EMPTY_HOWTO (131),
704 EMPTY_HOWTO (132),
705 EMPTY_HOWTO (133),
706 EMPTY_HOWTO (134),
707 EMPTY_HOWTO (135),
708 EMPTY_HOWTO (136),
709 EMPTY_HOWTO (137),
710 EMPTY_HOWTO (138),
711 EMPTY_HOWTO (139),
712 EMPTY_HOWTO (140),
713 EMPTY_HOWTO (141),
714 EMPTY_HOWTO (142),
715 EMPTY_HOWTO (143),
716 EMPTY_HOWTO (144),
717 EMPTY_HOWTO (145),
718 EMPTY_HOWTO (146),
719 EMPTY_HOWTO (147),
720 EMPTY_HOWTO (148),
721 EMPTY_HOWTO (149),
722 EMPTY_HOWTO (150),
723 EMPTY_HOWTO (151),
724 EMPTY_HOWTO (152),
725 EMPTY_HOWTO (153),
726 EMPTY_HOWTO (154),
727 EMPTY_HOWTO (155),
728 EMPTY_HOWTO (156),
729 EMPTY_HOWTO (157),
730 EMPTY_HOWTO (158),
731 EMPTY_HOWTO (159),
732
733 HOWTO (R_SH_GOT32, /* type */
734 0, /* rightshift */
735 2, /* size (0 = byte, 1 = short, 2 = long) */
736 32, /* bitsize */
737 false, /* pc_relative */
738 0, /* bitpos */
739 complain_overflow_bitfield, /* complain_on_overflow */
740 bfd_elf_generic_reloc, /* */
741 "R_SH_GOT32", /* name */
742 true, /* partial_inplace */
743 0xffffffff, /* src_mask */
744 0xffffffff, /* dst_mask */
745 false), /* pcrel_offset */
746
747 HOWTO (R_SH_PLT32, /* type */
748 0, /* rightshift */
749 2, /* size (0 = byte, 1 = short, 2 = long) */
750 32, /* bitsize */
751 true, /* pc_relative */
752 0, /* bitpos */
753 complain_overflow_bitfield, /* complain_on_overflow */
754 bfd_elf_generic_reloc, /* */
755 "R_SH_PLT32", /* name */
756 true, /* partial_inplace */
757 0xffffffff, /* src_mask */
758 0xffffffff, /* dst_mask */
759 true), /* pcrel_offset */
760
761 HOWTO (R_SH_COPY, /* type */
762 0, /* rightshift */
763 2, /* size (0 = byte, 1 = short, 2 = long) */
764 32, /* bitsize */
765 false, /* pc_relative */
766 0, /* bitpos */
767 complain_overflow_bitfield, /* complain_on_overflow */
768 bfd_elf_generic_reloc, /* */
769 "R_SH_COPY", /* name */
770 true, /* partial_inplace */
771 0xffffffff, /* src_mask */
772 0xffffffff, /* dst_mask */
773 false), /* pcrel_offset */
774
775 HOWTO (R_SH_GLOB_DAT, /* type */
776 0, /* rightshift */
777 2, /* size (0 = byte, 1 = short, 2 = long) */
778 32, /* bitsize */
779 false, /* pc_relative */
780 0, /* bitpos */
781 complain_overflow_bitfield, /* complain_on_overflow */
782 bfd_elf_generic_reloc, /* */
783 "R_SH_GLOB_DAT", /* name */
784 true, /* partial_inplace */
785 0xffffffff, /* src_mask */
786 0xffffffff, /* dst_mask */
787 false), /* pcrel_offset */
788
789 HOWTO (R_SH_JMP_SLOT, /* type */
790 0, /* rightshift */
791 2, /* size (0 = byte, 1 = short, 2 = long) */
792 32, /* bitsize */
793 false, /* pc_relative */
794 0, /* bitpos */
795 complain_overflow_bitfield, /* complain_on_overflow */
796 bfd_elf_generic_reloc, /* */
797 "R_SH_JMP_SLOT", /* name */
798 true, /* partial_inplace */
799 0xffffffff, /* src_mask */
800 0xffffffff, /* dst_mask */
801 false), /* pcrel_offset */
802
803 HOWTO (R_SH_RELATIVE, /* type */
804 0, /* rightshift */
805 2, /* size (0 = byte, 1 = short, 2 = long) */
806 32, /* bitsize */
807 false, /* pc_relative */
808 0, /* bitpos */
809 complain_overflow_bitfield, /* complain_on_overflow */
810 bfd_elf_generic_reloc, /* */
811 "R_SH_RELATIVE", /* name */
812 true, /* partial_inplace */
813 0xffffffff, /* src_mask */
814 0xffffffff, /* dst_mask */
815 false), /* pcrel_offset */
816
817 HOWTO (R_SH_GOTOFF, /* type */
818 0, /* rightshift */
819 2, /* size (0 = byte, 1 = short, 2 = long) */
820 32, /* bitsize */
821 false, /* pc_relative */
822 0, /* bitpos */
823 complain_overflow_bitfield, /* complain_on_overflow */
824 bfd_elf_generic_reloc, /* */
825 "R_SH_GOTOFF", /* name */
826 true, /* partial_inplace */
827 0xffffffff, /* src_mask */
828 0xffffffff, /* dst_mask */
829 false), /* pcrel_offset */
830
831 HOWTO (R_SH_GOTPC, /* type */
832 0, /* rightshift */
833 2, /* size (0 = byte, 1 = short, 2 = long) */
834 32, /* bitsize */
835 true, /* pc_relative */
836 0, /* bitpos */
837 complain_overflow_bitfield, /* complain_on_overflow */
838 bfd_elf_generic_reloc, /* */
839 "R_SH_GOTPC", /* name */
840 true, /* partial_inplace */
841 0xffffffff, /* src_mask */
842 0xffffffff, /* dst_mask */
843 true), /* pcrel_offset */
844
845 HOWTO (R_SH_GOTPLT32, /* type */
846 0, /* rightshift */
847 2, /* size (0 = byte, 1 = short, 2 = long) */
848 32, /* bitsize */
849 false, /* pc_relative */
850 0, /* bitpos */
851 complain_overflow_bitfield, /* complain_on_overflow */
852 bfd_elf_generic_reloc, /* */
853 "R_SH_GOTPLT32", /* name */
854 false, /* partial_inplace */
855 0xffffffff, /* src_mask */
856 0xffffffff, /* dst_mask */
857 false), /* pcrel_offset */
858
859 #ifdef INCLUDE_SHMEDIA
860 /* Used in MOVI and SHORI (x & 65536). */
861 HOWTO (R_SH_GOT_LOW16, /* type */
862 0, /* rightshift */
863 2, /* size (0 = byte, 1 = short, 2 = long) */
864 64, /* bitsize */
865 false, /* pc_relative */
866 10, /* bitpos */
867 complain_overflow_dont, /* complain_on_overflow */
868 bfd_elf_generic_reloc, /* special_function */
869 "R_SH_GOT_LOW16", /* name */
870 false, /* partial_inplace */
871 0, /* src_mask */
872 0x3fffc00, /* dst_mask */
873 false), /* pcrel_offset */
874
875 /* Used in MOVI and SHORI ((x >> 16) & 65536). */
876 HOWTO (R_SH_GOT_MEDLOW16, /* type */
877 16, /* rightshift */
878 2, /* size (0 = byte, 1 = short, 2 = long) */
879 64, /* bitsize */
880 false, /* pc_relative */
881 10, /* bitpos */
882 complain_overflow_dont, /* complain_on_overflow */
883 bfd_elf_generic_reloc, /* special_function */
884 "R_SH_GOT_MEDLOW16", /* name */
885 false, /* partial_inplace */
886 0, /* src_mask */
887 0x3fffc00, /* dst_mask */
888 false), /* pcrel_offset */
889
890 /* Used in MOVI and SHORI ((x >> 32) & 65536). */
891 HOWTO (R_SH_GOT_MEDHI16, /* type */
892 32, /* rightshift */
893 2, /* size (0 = byte, 1 = short, 2 = long) */
894 64, /* bitsize */
895 false, /* pc_relative */
896 10, /* bitpos */
897 complain_overflow_dont, /* complain_on_overflow */
898 bfd_elf_generic_reloc, /* special_function */
899 "R_SH_GOT_MEDHI16", /* name */
900 false, /* partial_inplace */
901 0, /* src_mask */
902 0x3fffc00, /* dst_mask */
903 false), /* pcrel_offset */
904
905 /* Used in MOVI and SHORI ((x >> 48) & 65536). */
906 HOWTO (R_SH_GOT_HI16, /* type */
907 48, /* rightshift */
908 2, /* size (0 = byte, 1 = short, 2 = long) */
909 64, /* bitsize */
910 false, /* pc_relative */
911 10, /* bitpos */
912 complain_overflow_dont, /* complain_on_overflow */
913 bfd_elf_generic_reloc, /* special_function */
914 "R_SH_GOT_HI16", /* name */
915 false, /* partial_inplace */
916 0, /* src_mask */
917 0x3fffc00, /* dst_mask */
918 false), /* pcrel_offset */
919
920 /* Used in MOVI and SHORI (x & 65536). */
921 HOWTO (R_SH_GOTPLT_LOW16, /* type */
922 0, /* rightshift */
923 2, /* size (0 = byte, 1 = short, 2 = long) */
924 64, /* bitsize */
925 false, /* pc_relative */
926 10, /* bitpos */
927 complain_overflow_dont, /* complain_on_overflow */
928 bfd_elf_generic_reloc, /* special_function */
929 "R_SH_GOTPLT_LOW16", /* name */
930 false, /* partial_inplace */
931 0, /* src_mask */
932 0x3fffc00, /* dst_mask */
933 false), /* pcrel_offset */
934
935 /* Used in MOVI and SHORI ((x >> 16) & 65536). */
936 HOWTO (R_SH_GOTPLT_MEDLOW16, /* type */
937 16, /* rightshift */
938 2, /* size (0 = byte, 1 = short, 2 = long) */
939 64, /* bitsize */
940 false, /* pc_relative */
941 10, /* bitpos */
942 complain_overflow_dont, /* complain_on_overflow */
943 bfd_elf_generic_reloc, /* special_function */
944 "R_SH_GOTPLT_MEDLOW16", /* name */
945 false, /* partial_inplace */
946 0, /* src_mask */
947 0x3fffc00, /* dst_mask */
948 false), /* pcrel_offset */
949
950 /* Used in MOVI and SHORI ((x >> 32) & 65536). */
951 HOWTO (R_SH_GOTPLT_MEDHI16, /* type */
952 32, /* rightshift */
953 2, /* size (0 = byte, 1 = short, 2 = long) */
954 64, /* bitsize */
955 false, /* pc_relative */
956 10, /* bitpos */
957 complain_overflow_dont, /* complain_on_overflow */
958 bfd_elf_generic_reloc, /* special_function */
959 "R_SH_GOTPLT_MEDHI16", /* name */
960 false, /* partial_inplace */
961 0, /* src_mask */
962 0x3fffc00, /* dst_mask */
963 false), /* pcrel_offset */
964
965 /* Used in MOVI and SHORI ((x >> 48) & 65536). */
966 HOWTO (R_SH_GOTPLT_HI16, /* type */
967 48, /* rightshift */
968 2, /* size (0 = byte, 1 = short, 2 = long) */
969 64, /* bitsize */
970 false, /* pc_relative */
971 10, /* bitpos */
972 complain_overflow_dont, /* complain_on_overflow */
973 bfd_elf_generic_reloc, /* special_function */
974 "R_SH_GOTPLT_HI16", /* name */
975 false, /* partial_inplace */
976 0, /* src_mask */
977 0x3fffc00, /* dst_mask */
978 false), /* pcrel_offset */
979
980 /* Used in MOVI and SHORI (x & 65536). */
981 HOWTO (R_SH_PLT_LOW16, /* type */
982 0, /* rightshift */
983 2, /* size (0 = byte, 1 = short, 2 = long) */
984 64, /* bitsize */
985 true, /* pc_relative */
986 10, /* bitpos */
987 complain_overflow_dont, /* complain_on_overflow */
988 bfd_elf_generic_reloc, /* special_function */
989 "R_SH_PLT_LOW16", /* name */
990 false, /* partial_inplace */
991 0, /* src_mask */
992 0x3fffc00, /* dst_mask */
993 true), /* pcrel_offset */
994
995 /* Used in MOVI and SHORI ((x >> 16) & 65536). */
996 HOWTO (R_SH_PLT_MEDLOW16, /* type */
997 16, /* rightshift */
998 2, /* size (0 = byte, 1 = short, 2 = long) */
999 64, /* bitsize */
1000 true, /* pc_relative */
1001 10, /* bitpos */
1002 complain_overflow_dont, /* complain_on_overflow */
1003 bfd_elf_generic_reloc, /* special_function */
1004 "R_SH_PLT_MEDLOW16", /* name */
1005 false, /* partial_inplace */
1006 0, /* src_mask */
1007 0x3fffc00, /* dst_mask */
1008 true), /* pcrel_offset */
1009
1010 /* Used in MOVI and SHORI ((x >> 32) & 65536). */
1011 HOWTO (R_SH_PLT_MEDHI16, /* type */
1012 32, /* rightshift */
1013 2, /* size (0 = byte, 1 = short, 2 = long) */
1014 64, /* bitsize */
1015 true, /* pc_relative */
1016 10, /* bitpos */
1017 complain_overflow_dont, /* complain_on_overflow */
1018 bfd_elf_generic_reloc, /* special_function */
1019 "R_SH_PLT_MEDHI16", /* name */
1020 false, /* partial_inplace */
1021 0, /* src_mask */
1022 0x3fffc00, /* dst_mask */
1023 true), /* pcrel_offset */
1024
1025 /* Used in MOVI and SHORI ((x >> 48) & 65536). */
1026 HOWTO (R_SH_PLT_HI16, /* type */
1027 48, /* rightshift */
1028 2, /* size (0 = byte, 1 = short, 2 = long) */
1029 64, /* bitsize */
1030 true, /* pc_relative */
1031 10, /* bitpos */
1032 complain_overflow_dont, /* complain_on_overflow */
1033 bfd_elf_generic_reloc, /* special_function */
1034 "R_SH_PLT_HI16", /* name */
1035 false, /* partial_inplace */
1036 0, /* src_mask */
1037 0x3fffc00, /* dst_mask */
1038 true), /* pcrel_offset */
1039
1040 /* Used in MOVI and SHORI (x & 65536). */
1041 HOWTO (R_SH_GOTOFF_LOW16, /* type */
1042 0, /* rightshift */
1043 2, /* size (0 = byte, 1 = short, 2 = long) */
1044 64, /* bitsize */
1045 false, /* pc_relative */
1046 10, /* bitpos */
1047 complain_overflow_dont, /* complain_on_overflow */
1048 bfd_elf_generic_reloc, /* special_function */
1049 "R_SH_GOTOFF_LOW16", /* name */
1050 false, /* partial_inplace */
1051 0, /* src_mask */
1052 0x3fffc00, /* dst_mask */
1053 false), /* pcrel_offset */
1054
1055 /* Used in MOVI and SHORI ((x >> 16) & 65536). */
1056 HOWTO (R_SH_GOTOFF_MEDLOW16, /* type */
1057 16, /* rightshift */
1058 2, /* size (0 = byte, 1 = short, 2 = long) */
1059 64, /* bitsize */
1060 false, /* pc_relative */
1061 10, /* bitpos */
1062 complain_overflow_dont, /* complain_on_overflow */
1063 bfd_elf_generic_reloc, /* special_function */
1064 "R_SH_GOTOFF_MEDLOW16", /* name */
1065 false, /* partial_inplace */
1066 0, /* src_mask */
1067 0x3fffc00, /* dst_mask */
1068 false), /* pcrel_offset */
1069
1070 /* Used in MOVI and SHORI ((x >> 32) & 65536). */
1071 HOWTO (R_SH_GOTOFF_MEDHI16, /* type */
1072 32, /* rightshift */
1073 2, /* size (0 = byte, 1 = short, 2 = long) */
1074 64, /* bitsize */
1075 false, /* pc_relative */
1076 10, /* bitpos */
1077 complain_overflow_dont, /* complain_on_overflow */
1078 bfd_elf_generic_reloc, /* special_function */
1079 "R_SH_GOTOFF_MEDHI16", /* name */
1080 false, /* partial_inplace */
1081 0, /* src_mask */
1082 0x3fffc00, /* dst_mask */
1083 false), /* pcrel_offset */
1084
1085 /* Used in MOVI and SHORI ((x >> 48) & 65536). */
1086 HOWTO (R_SH_GOTOFF_HI16, /* type */
1087 48, /* rightshift */
1088 2, /* size (0 = byte, 1 = short, 2 = long) */
1089 64, /* bitsize */
1090 false, /* pc_relative */
1091 10, /* bitpos */
1092 complain_overflow_dont, /* complain_on_overflow */
1093 bfd_elf_generic_reloc, /* special_function */
1094 "R_SH_GOTOFF_HI16", /* name */
1095 false, /* partial_inplace */
1096 0, /* src_mask */
1097 0x3fffc00, /* dst_mask */
1098 false), /* pcrel_offset */
1099
1100 /* Used in MOVI and SHORI (x & 65536). */
1101 HOWTO (R_SH_GOTPC_LOW16, /* type */
1102 0, /* rightshift */
1103 2, /* size (0 = byte, 1 = short, 2 = long) */
1104 64, /* bitsize */
1105 true, /* pc_relative */
1106 10, /* bitpos */
1107 complain_overflow_dont, /* complain_on_overflow */
1108 bfd_elf_generic_reloc, /* special_function */
1109 "R_SH_GOTPC_LOW16", /* name */
1110 false, /* partial_inplace */
1111 0, /* src_mask */
1112 0x3fffc00, /* dst_mask */
1113 true), /* pcrel_offset */
1114
1115 /* Used in MOVI and SHORI ((x >> 16) & 65536). */
1116 HOWTO (R_SH_GOTPC_MEDLOW16, /* type */
1117 16, /* rightshift */
1118 2, /* size (0 = byte, 1 = short, 2 = long) */
1119 64, /* bitsize */
1120 true, /* pc_relative */
1121 10, /* bitpos */
1122 complain_overflow_dont, /* complain_on_overflow */
1123 bfd_elf_generic_reloc, /* special_function */
1124 "R_SH_GOTPC_MEDLOW16", /* name */
1125 false, /* partial_inplace */
1126 0, /* src_mask */
1127 0x3fffc00, /* dst_mask */
1128 true), /* pcrel_offset */
1129
1130 /* Used in MOVI and SHORI ((x >> 32) & 65536). */
1131 HOWTO (R_SH_GOTPC_MEDHI16, /* type */
1132 32, /* rightshift */
1133 2, /* size (0 = byte, 1 = short, 2 = long) */
1134 64, /* bitsize */
1135 true, /* pc_relative */
1136 10, /* bitpos */
1137 complain_overflow_dont, /* complain_on_overflow */
1138 bfd_elf_generic_reloc, /* special_function */
1139 "R_SH_GOTPC_MEDHI16", /* name */
1140 false, /* partial_inplace */
1141 0, /* src_mask */
1142 0x3fffc00, /* dst_mask */
1143 true), /* pcrel_offset */
1144
1145 /* Used in MOVI and SHORI ((x >> 48) & 65536). */
1146 HOWTO (R_SH_GOTPC_HI16, /* type */
1147 48, /* rightshift */
1148 2, /* size (0 = byte, 1 = short, 2 = long) */
1149 64, /* bitsize */
1150 true, /* pc_relative */
1151 10, /* bitpos */
1152 complain_overflow_dont, /* complain_on_overflow */
1153 bfd_elf_generic_reloc, /* special_function */
1154 "R_SH_GOTPC_HI16", /* name */
1155 false, /* partial_inplace */
1156 0, /* src_mask */
1157 0x3fffc00, /* dst_mask */
1158 true), /* pcrel_offset */
1159
1160 /* Used in LD.L, FLD.S et al. */
1161 HOWTO (R_SH_GOT10BY4, /* type */
1162 2, /* rightshift */
1163 2, /* size (0 = byte, 1 = short, 2 = long) */
1164 12, /* bitsize */
1165 false, /* pc_relative */
1166 10, /* bitpos */
1167 complain_overflow_signed, /* complain_on_overflow */
1168 bfd_elf_generic_reloc, /* special_function */
1169 "R_SH_GOT10BY4", /* name */
1170 false, /* partial_inplace */
1171 0, /* src_mask */
1172 0xffc00, /* dst_mask */
1173 false), /* pcrel_offset */
1174
1175 /* Used in LD.L, FLD.S et al. */
1176 HOWTO (R_SH_GOTPLT10BY4, /* type */
1177 2, /* rightshift */
1178 2, /* size (0 = byte, 1 = short, 2 = long) */
1179 12, /* bitsize */
1180 false, /* pc_relative */
1181 10, /* bitpos */
1182 complain_overflow_signed, /* complain_on_overflow */
1183 bfd_elf_generic_reloc, /* special_function */
1184 "R_SH_GOTPLT10BY4", /* name */
1185 false, /* partial_inplace */
1186 0, /* src_mask */
1187 0xffc00, /* dst_mask */
1188 false), /* pcrel_offset */
1189
1190 /* Used in FLD.D, FST.P et al. */
1191 HOWTO (R_SH_GOT10BY8, /* type */
1192 3, /* rightshift */
1193 2, /* size (0 = byte, 1 = short, 2 = long) */
1194 13, /* bitsize */
1195 false, /* pc_relative */
1196 10, /* bitpos */
1197 complain_overflow_signed, /* complain_on_overflow */
1198 bfd_elf_generic_reloc, /* special_function */
1199 "R_SH_GOT10BY8", /* name */
1200 false, /* partial_inplace */
1201 0, /* src_mask */
1202 0xffc00, /* dst_mask */
1203 false), /* pcrel_offset */
1204
1205 /* Used in FLD.D, FST.P et al. */
1206 HOWTO (R_SH_GOTPLT10BY8, /* type */
1207 3, /* rightshift */
1208 2, /* size (0 = byte, 1 = short, 2 = long) */
1209 13, /* bitsize */
1210 false, /* pc_relative */
1211 10, /* bitpos */
1212 complain_overflow_signed, /* complain_on_overflow */
1213 bfd_elf_generic_reloc, /* special_function */
1214 "R_SH_GOTPLT10BY8", /* name */
1215 false, /* partial_inplace */
1216 0, /* src_mask */
1217 0xffc00, /* dst_mask */
1218 false), /* pcrel_offset */
1219
1220 HOWTO (R_SH_COPY64, /* type */
1221 0, /* rightshift */
1222 4, /* size (0 = byte, 1 = short, 2 = long) */
1223 64, /* bitsize */
1224 false, /* pc_relative */
1225 0, /* bitpos */
1226 complain_overflow_dont, /* complain_on_overflow */
1227 bfd_elf_generic_reloc, /* special_function */
1228 "R_SH_COPY64", /* name */
1229 false, /* partial_inplace */
1230 0, /* src_mask */
1231 ((bfd_vma) 0) - 1, /* dst_mask */
1232 false), /* pcrel_offset */
1233
1234 HOWTO (R_SH_GLOB_DAT64, /* type */
1235 0, /* rightshift */
1236 4, /* size (0 = byte, 1 = short, 2 = long) */
1237 64, /* bitsize */
1238 false, /* pc_relative */
1239 0, /* bitpos */
1240 complain_overflow_dont, /* complain_on_overflow */
1241 bfd_elf_generic_reloc, /* special_function */
1242 "R_SH_GLOB_DAT64", /* name */
1243 false, /* partial_inplace */
1244 0, /* src_mask */
1245 ((bfd_vma) 0) - 1, /* dst_mask */
1246 false), /* pcrel_offset */
1247
1248 HOWTO (R_SH_JMP_SLOT64, /* type */
1249 0, /* rightshift */
1250 4, /* size (0 = byte, 1 = short, 2 = long) */
1251 64, /* bitsize */
1252 false, /* pc_relative */
1253 0, /* bitpos */
1254 complain_overflow_dont, /* complain_on_overflow */
1255 bfd_elf_generic_reloc, /* special_function */
1256 "R_SH_JMP_SLOT64", /* name */
1257 false, /* partial_inplace */
1258 0, /* src_mask */
1259 ((bfd_vma) 0) - 1, /* dst_mask */
1260 false), /* pcrel_offset */
1261
1262 HOWTO (R_SH_RELATIVE64, /* type */
1263 0, /* rightshift */
1264 4, /* size (0 = byte, 1 = short, 2 = long) */
1265 64, /* bitsize */
1266 false, /* pc_relative */
1267 0, /* bitpos */
1268 complain_overflow_dont, /* complain_on_overflow */
1269 bfd_elf_generic_reloc, /* special_function */
1270 "R_SH_RELATIVE64", /* name */
1271 false, /* partial_inplace */
1272 0, /* src_mask */
1273 ((bfd_vma) 0) - 1, /* dst_mask */
1274 false), /* pcrel_offset */
1275
1276 EMPTY_HOWTO (197),
1277 EMPTY_HOWTO (198),
1278 EMPTY_HOWTO (199),
1279 EMPTY_HOWTO (200),
1280 EMPTY_HOWTO (201),
1281 EMPTY_HOWTO (202),
1282 EMPTY_HOWTO (203),
1283 EMPTY_HOWTO (204),
1284 EMPTY_HOWTO (205),
1285 EMPTY_HOWTO (206),
1286 EMPTY_HOWTO (207),
1287 EMPTY_HOWTO (208),
1288 EMPTY_HOWTO (209),
1289 EMPTY_HOWTO (210),
1290 EMPTY_HOWTO (211),
1291 EMPTY_HOWTO (212),
1292 EMPTY_HOWTO (213),
1293 EMPTY_HOWTO (214),
1294 EMPTY_HOWTO (215),
1295 EMPTY_HOWTO (216),
1296 EMPTY_HOWTO (217),
1297 EMPTY_HOWTO (218),
1298 EMPTY_HOWTO (219),
1299 EMPTY_HOWTO (220),
1300 EMPTY_HOWTO (221),
1301 EMPTY_HOWTO (222),
1302 EMPTY_HOWTO (223),
1303 EMPTY_HOWTO (224),
1304 EMPTY_HOWTO (225),
1305 EMPTY_HOWTO (226),
1306 EMPTY_HOWTO (227),
1307 EMPTY_HOWTO (228),
1308 EMPTY_HOWTO (229),
1309 EMPTY_HOWTO (230),
1310 EMPTY_HOWTO (231),
1311 EMPTY_HOWTO (232),
1312 EMPTY_HOWTO (233),
1313 EMPTY_HOWTO (234),
1314 EMPTY_HOWTO (235),
1315 EMPTY_HOWTO (236),
1316 EMPTY_HOWTO (237),
1317 EMPTY_HOWTO (238),
1318 EMPTY_HOWTO (239),
1319 EMPTY_HOWTO (240),
1320 EMPTY_HOWTO (241),
1321
1322 /* Relocations for SHmedia code. None of these are partial_inplace or
1323 use the field being relocated (except R_SH_PT_16). */
1324
1325 /* The assembler will generate this reloc before a block of SHmedia
1326 instructions. A section should be processed as assuming it contains
1327 data, unless this reloc is seen. Note that a block of SHcompact
1328 instructions are instead preceded by R_SH_CODE.
1329 This is currently not implemented, but should be used for SHmedia
1330 linker relaxation. */
1331 HOWTO (R_SH_SHMEDIA_CODE, /* type */
1332 0, /* rightshift */
1333 1, /* size (0 = byte, 1 = short, 2 = long) */
1334 0, /* bitsize */
1335 false, /* pc_relative */
1336 0, /* bitpos */
1337 complain_overflow_unsigned, /* complain_on_overflow */
1338 sh_elf_ignore_reloc, /* special_function */
1339 "R_SH_SHMEDIA_CODE", /* name */
1340 false, /* partial_inplace */
1341 0, /* src_mask */
1342 0, /* dst_mask */
1343 false), /* pcrel_offset */
1344
1345 /* The assembler will generate this reloc at a PTA or PTB instruction,
1346 and the linker checks the right type of target, or changes a PTA to a
1347 PTB, if the original insn was PT. */
1348 HOWTO (R_SH_PT_16, /* type */
1349 2, /* rightshift */
1350 2, /* size (0 = byte, 1 = short, 2 = long) */
1351 18, /* bitsize */
1352 true, /* pc_relative */
1353 10, /* bitpos */
1354 complain_overflow_signed, /* complain_on_overflow */
1355 bfd_elf_generic_reloc, /* special_function */
1356 "R_SH_PT_16", /* name */
1357 false, /* partial_inplace */
1358 0, /* src_mask */
1359 0x3fffc00, /* dst_mask */
1360 true), /* pcrel_offset */
1361
1362 /* Used in unexpanded MOVI. */
1363 HOWTO (R_SH_IMMS16, /* type */
1364 0, /* rightshift */
1365 2, /* size (0 = byte, 1 = short, 2 = long) */
1366 16, /* bitsize */
1367 false, /* pc_relative */
1368 10, /* bitpos */
1369 complain_overflow_signed, /* complain_on_overflow */
1370 bfd_elf_generic_reloc, /* special_function */
1371 "R_SH_IMMS16", /* name */
1372 false, /* partial_inplace */
1373 0, /* src_mask */
1374 0x3fffc00, /* dst_mask */
1375 false), /* pcrel_offset */
1376
1377 /* Used in SHORI. */
1378 HOWTO (R_SH_IMMU16, /* type */
1379 0, /* rightshift */
1380 2, /* size (0 = byte, 1 = short, 2 = long) */
1381 16, /* bitsize */
1382 false, /* pc_relative */
1383 10, /* bitpos */
1384 complain_overflow_unsigned, /* complain_on_overflow */
1385 bfd_elf_generic_reloc, /* special_function */
1386 "R_SH_IMMU16", /* name */
1387 false, /* partial_inplace */
1388 0, /* src_mask */
1389 0x3fffc00, /* dst_mask */
1390 false), /* pcrel_offset */
1391
1392 /* Used in MOVI and SHORI (x & 65536). */
1393 HOWTO (R_SH_IMM_LOW16, /* type */
1394 0, /* rightshift */
1395 2, /* size (0 = byte, 1 = short, 2 = long) */
1396 64, /* bitsize */
1397 false, /* pc_relative */
1398 10, /* bitpos */
1399 complain_overflow_dont, /* complain_on_overflow */
1400 bfd_elf_generic_reloc, /* special_function */
1401 "R_SH_IMM_LOW16", /* name */
1402 false, /* partial_inplace */
1403 0, /* src_mask */
1404 0x3fffc00, /* dst_mask */
1405 false), /* pcrel_offset */
1406
1407 /* Used in MOVI and SHORI ((x - $) & 65536). */
1408 HOWTO (R_SH_IMM_LOW16_PCREL, /* type */
1409 0, /* rightshift */
1410 2, /* size (0 = byte, 1 = short, 2 = long) */
1411 64, /* bitsize */
1412 true, /* pc_relative */
1413 10, /* bitpos */
1414 complain_overflow_dont, /* complain_on_overflow */
1415 bfd_elf_generic_reloc, /* special_function */
1416 "R_SH_IMM_LOW16_PCREL", /* name */
1417 false, /* partial_inplace */
1418 0, /* src_mask */
1419 0x3fffc00, /* dst_mask */
1420 true), /* pcrel_offset */
1421
1422 /* Used in MOVI and SHORI ((x >> 16) & 65536). */
1423 HOWTO (R_SH_IMM_MEDLOW16, /* type */
1424 16, /* rightshift */
1425 2, /* size (0 = byte, 1 = short, 2 = long) */
1426 64, /* bitsize */
1427 false, /* pc_relative */
1428 10, /* bitpos */
1429 complain_overflow_dont, /* complain_on_overflow */
1430 bfd_elf_generic_reloc, /* special_function */
1431 "R_SH_IMM_MEDLOW16", /* name */
1432 false, /* partial_inplace */
1433 0, /* src_mask */
1434 0x3fffc00, /* dst_mask */
1435 false), /* pcrel_offset */
1436
1437 /* Used in MOVI and SHORI (((x - $) >> 16) & 65536). */
1438 HOWTO (R_SH_IMM_MEDLOW16_PCREL, /* type */
1439 16, /* rightshift */
1440 2, /* size (0 = byte, 1 = short, 2 = long) */
1441 64, /* bitsize */
1442 true, /* pc_relative */
1443 10, /* bitpos */
1444 complain_overflow_dont, /* complain_on_overflow */
1445 bfd_elf_generic_reloc, /* special_function */
1446 "R_SH_IMM_MEDLOW16_PCREL", /* name */
1447 false, /* partial_inplace */
1448 0, /* src_mask */
1449 0x3fffc00, /* dst_mask */
1450 true), /* pcrel_offset */
1451
1452 /* Used in MOVI and SHORI ((x >> 32) & 65536). */
1453 HOWTO (R_SH_IMM_MEDHI16, /* type */
1454 32, /* rightshift */
1455 2, /* size (0 = byte, 1 = short, 2 = long) */
1456 64, /* bitsize */
1457 false, /* pc_relative */
1458 10, /* bitpos */
1459 complain_overflow_dont, /* complain_on_overflow */
1460 bfd_elf_generic_reloc, /* special_function */
1461 "R_SH_IMM_MEDHI16", /* name */
1462 false, /* partial_inplace */
1463 0, /* src_mask */
1464 0x3fffc00, /* dst_mask */
1465 false), /* pcrel_offset */
1466
1467 /* Used in MOVI and SHORI (((x - $) >> 32) & 65536). */
1468 HOWTO (R_SH_IMM_MEDHI16_PCREL, /* type */
1469 32, /* rightshift */
1470 2, /* size (0 = byte, 1 = short, 2 = long) */
1471 64, /* bitsize */
1472 true, /* pc_relative */
1473 10, /* bitpos */
1474 complain_overflow_dont, /* complain_on_overflow */
1475 bfd_elf_generic_reloc, /* special_function */
1476 "R_SH_IMM_MEDHI16_PCREL", /* name */
1477 false, /* partial_inplace */
1478 0, /* src_mask */
1479 0x3fffc00, /* dst_mask */
1480 true), /* pcrel_offset */
1481
1482 /* Used in MOVI and SHORI ((x >> 48) & 65536). */
1483 HOWTO (R_SH_IMM_HI16, /* type */
1484 48, /* rightshift */
1485 2, /* size (0 = byte, 1 = short, 2 = long) */
1486 64, /* bitsize */
1487 false, /* pc_relative */
1488 10, /* bitpos */
1489 complain_overflow_dont, /* complain_on_overflow */
1490 bfd_elf_generic_reloc, /* special_function */
1491 "R_SH_IMM_HI16", /* name */
1492 false, /* partial_inplace */
1493 0, /* src_mask */
1494 0x3fffc00, /* dst_mask */
1495 false), /* pcrel_offset */
1496
1497 /* Used in MOVI and SHORI (((x - $) >> 48) & 65536). */
1498 HOWTO (R_SH_IMM_HI16_PCREL, /* type */
1499 48, /* rightshift */
1500 2, /* size (0 = byte, 1 = short, 2 = long) */
1501 64, /* bitsize */
1502 true, /* pc_relative */
1503 10, /* bitpos */
1504 complain_overflow_dont, /* complain_on_overflow */
1505 bfd_elf_generic_reloc, /* special_function */
1506 "R_SH_IMM_HI16_PCREL", /* name */
1507 false, /* partial_inplace */
1508 0, /* src_mask */
1509 0x3fffc00, /* dst_mask */
1510 true), /* pcrel_offset */
1511
1512 /* For the .uaquad pseudo. */
1513 HOWTO (R_SH_64, /* type */
1514 0, /* rightshift */
1515 4, /* size (0 = byte, 1 = short, 2 = long) */
1516 64, /* bitsize */
1517 false, /* pc_relative */
1518 0, /* bitpos */
1519 complain_overflow_dont, /* complain_on_overflow */
1520 bfd_elf_generic_reloc, /* special_function */
1521 "R_SH_64", /* name */
1522 false, /* partial_inplace */
1523 0, /* src_mask */
1524 ((bfd_vma) 0) - 1, /* dst_mask */
1525 false), /* pcrel_offset */
1526
1527 /* For the .uaquad pseudo, (x - $). */
1528 HOWTO (R_SH_64_PCREL, /* type */
1529 48, /* rightshift */
1530 2, /* size (0 = byte, 1 = short, 2 = long) */
1531 64, /* bitsize */
1532 true, /* pc_relative */
1533 10, /* bitpos */
1534 complain_overflow_dont, /* complain_on_overflow */
1535 bfd_elf_generic_reloc, /* special_function */
1536 "R_SH_64_PCREL", /* name */
1537 false, /* partial_inplace */
1538 0, /* src_mask */
1539 ((bfd_vma) 0) - 1, /* dst_mask */
1540 true), /* pcrel_offset */
1541
1542 #endif
1543 };
1544
1545 static bfd_reloc_status_type
1546 sh_elf_reloc_loop (r_type, input_bfd, input_section, contents, addr,
1547 symbol_section, start, end)
1548 int r_type ATTRIBUTE_UNUSED;
1549 bfd *input_bfd;
1550 asection *input_section;
1551 bfd_byte *contents;
1552 bfd_vma addr;
1553 asection *symbol_section;
1554 bfd_vma start, end;
1555 {
1556 static bfd_vma last_addr;
1557 static asection *last_symbol_section;
1558 bfd_byte *start_ptr, *ptr, *last_ptr;
1559 int diff, cum_diff;
1560 bfd_signed_vma x;
1561 int insn;
1562
1563 /* Sanity check the address. */
1564 if (addr > input_section->_raw_size)
1565 return bfd_reloc_outofrange;
1566
1567 /* We require the start and end relocations to be processed consecutively -
1568 although we allow then to be processed forwards or backwards. */
1569 if (! last_addr)
1570 {
1571 last_addr = addr;
1572 last_symbol_section = symbol_section;
1573 return bfd_reloc_ok;
1574 }
1575 if (last_addr != addr)
1576 abort ();
1577 last_addr = 0;
1578
1579 if (! symbol_section || last_symbol_section != symbol_section || end < start)
1580 return bfd_reloc_outofrange;
1581
1582 /* Get the symbol_section contents. */
1583 if (symbol_section != input_section)
1584 {
1585 if (elf_section_data (symbol_section)->this_hdr.contents != NULL)
1586 contents = elf_section_data (symbol_section)->this_hdr.contents;
1587 else
1588 {
1589 contents = (bfd_byte *) bfd_malloc (symbol_section->_raw_size);
1590 if (contents == NULL)
1591 return bfd_reloc_outofrange;
1592 if (! bfd_get_section_contents (input_bfd, symbol_section, contents,
1593 (file_ptr) 0,
1594 symbol_section->_raw_size))
1595 {
1596 free (contents);
1597 return bfd_reloc_outofrange;
1598 }
1599 }
1600 }
1601 #define IS_PPI(PTR) ((bfd_get_16 (input_bfd, (PTR)) & 0xfc00) == 0xf800)
1602 start_ptr = contents + start;
1603 for (cum_diff = -6, ptr = contents + end; cum_diff < 0 && ptr > start_ptr;)
1604 {
1605 for (last_ptr = ptr, ptr -= 4; ptr >= start_ptr && IS_PPI (ptr);)
1606 ptr -= 2;
1607 ptr += 2;
1608 diff = (last_ptr - ptr) >> 1;
1609 cum_diff += diff & 1;
1610 cum_diff += diff;
1611 }
1612 /* Calculate the start / end values to load into rs / re minus four -
1613 so that will cancel out the four we would otherwise have to add to
1614 addr to get the value to subtract in order to get relative addressing. */
1615 if (cum_diff >= 0)
1616 {
1617 start -= 4;
1618 end = (ptr + cum_diff * 2) - contents;
1619 }
1620 else
1621 {
1622 bfd_vma start0 = start - 4;
1623
1624 while (start0 && IS_PPI (contents + start0))
1625 start0 -= 2;
1626 start0 = start - 2 - ((start - start0) & 2);
1627 start = start0 - cum_diff - 2;
1628 end = start0;
1629 }
1630
1631 if (contents != NULL
1632 && elf_section_data (symbol_section)->this_hdr.contents != contents)
1633 free (contents);
1634
1635 insn = bfd_get_16 (input_bfd, contents + addr);
1636
1637 x = (insn & 0x200 ? end : start) - addr;
1638 if (input_section != symbol_section)
1639 x += ((symbol_section->output_section->vma + symbol_section->output_offset)
1640 - (input_section->output_section->vma
1641 + input_section->output_offset));
1642 x >>= 1;
1643 if (x < -128 || x > 127)
1644 return bfd_reloc_overflow;
1645
1646 x = (insn & ~0xff) | (x & 0xff);
1647 bfd_put_16 (input_bfd, (bfd_vma) x, contents + addr);
1648
1649 return bfd_reloc_ok;
1650 }
1651
1652 /* This function is used for normal relocs. This used to be like the COFF
1653 function, and is almost certainly incorrect for other ELF targets. */
1654
1655 static bfd_reloc_status_type
1656 sh_elf_reloc (abfd, reloc_entry, symbol_in, data, input_section, output_bfd,
1657 error_message)
1658 bfd *abfd;
1659 arelent *reloc_entry;
1660 asymbol *symbol_in;
1661 PTR data;
1662 asection *input_section;
1663 bfd *output_bfd;
1664 char **error_message ATTRIBUTE_UNUSED;
1665 {
1666 unsigned long insn;
1667 bfd_vma sym_value;
1668 enum elf_sh_reloc_type r_type;
1669 bfd_vma addr = reloc_entry->address;
1670 bfd_byte *hit_data = addr + (bfd_byte *) data;
1671
1672 r_type = (enum elf_sh_reloc_type) reloc_entry->howto->type;
1673
1674 if (output_bfd != NULL)
1675 {
1676 /* Partial linking--do nothing. */
1677 reloc_entry->address += input_section->output_offset;
1678 return bfd_reloc_ok;
1679 }
1680
1681 /* Almost all relocs have to do with relaxing. If any work must be
1682 done for them, it has been done in sh_relax_section. */
1683 if (r_type == R_SH_IND12W && (symbol_in->flags & BSF_LOCAL) != 0)
1684 return bfd_reloc_ok;
1685
1686 if (symbol_in != NULL
1687 && bfd_is_und_section (symbol_in->section))
1688 return bfd_reloc_undefined;
1689
1690 if (bfd_is_com_section (symbol_in->section))
1691 sym_value = 0;
1692 else
1693 sym_value = (symbol_in->value +
1694 symbol_in->section->output_section->vma +
1695 symbol_in->section->output_offset);
1696
1697 switch (r_type)
1698 {
1699 case R_SH_DIR32:
1700 insn = bfd_get_32 (abfd, hit_data);
1701 insn += sym_value + reloc_entry->addend;
1702 bfd_put_32 (abfd, (bfd_vma) insn, hit_data);
1703 break;
1704 case R_SH_IND12W:
1705 insn = bfd_get_16 (abfd, hit_data);
1706 sym_value += reloc_entry->addend;
1707 sym_value -= (input_section->output_section->vma
1708 + input_section->output_offset
1709 + addr
1710 + 4);
1711 sym_value += (insn & 0xfff) << 1;
1712 if (insn & 0x800)
1713 sym_value -= 0x1000;
1714 insn = (insn & 0xf000) | (sym_value & 0xfff);
1715 bfd_put_16 (abfd, (bfd_vma) insn, hit_data);
1716 if (sym_value < (bfd_vma) -0x1000 || sym_value >= 0x1000)
1717 return bfd_reloc_overflow;
1718 break;
1719 default:
1720 abort ();
1721 break;
1722 }
1723
1724 return bfd_reloc_ok;
1725 }
1726
1727 /* This function is used for relocs which are only used for relaxing,
1728 which the linker should otherwise ignore. */
1729
1730 static bfd_reloc_status_type
1731 sh_elf_ignore_reloc (abfd, reloc_entry, symbol, data, input_section,
1732 output_bfd, error_message)
1733 bfd *abfd ATTRIBUTE_UNUSED;
1734 arelent *reloc_entry;
1735 asymbol *symbol ATTRIBUTE_UNUSED;
1736 PTR data ATTRIBUTE_UNUSED;
1737 asection *input_section;
1738 bfd *output_bfd;
1739 char **error_message ATTRIBUTE_UNUSED;
1740 {
1741 if (output_bfd != NULL)
1742 reloc_entry->address += input_section->output_offset;
1743 return bfd_reloc_ok;
1744 }
1745
1746 /* This structure is used to map BFD reloc codes to SH ELF relocs. */
1747
1748 struct elf_reloc_map
1749 {
1750 bfd_reloc_code_real_type bfd_reloc_val;
1751 unsigned char elf_reloc_val;
1752 };
1753
1754 /* An array mapping BFD reloc codes to SH ELF relocs. */
1755
1756 static const struct elf_reloc_map sh_reloc_map[] =
1757 {
1758 { BFD_RELOC_NONE, R_SH_NONE },
1759 { BFD_RELOC_32, R_SH_DIR32 },
1760 { BFD_RELOC_CTOR, R_SH_DIR32 },
1761 { BFD_RELOC_32_PCREL, R_SH_REL32 },
1762 { BFD_RELOC_SH_PCDISP8BY2, R_SH_DIR8WPN },
1763 { BFD_RELOC_SH_PCDISP12BY2, R_SH_IND12W },
1764 { BFD_RELOC_SH_PCRELIMM8BY2, R_SH_DIR8WPZ },
1765 { BFD_RELOC_SH_PCRELIMM8BY4, R_SH_DIR8WPL },
1766 { BFD_RELOC_8_PCREL, R_SH_SWITCH8 },
1767 { BFD_RELOC_SH_SWITCH16, R_SH_SWITCH16 },
1768 { BFD_RELOC_SH_SWITCH32, R_SH_SWITCH32 },
1769 { BFD_RELOC_SH_USES, R_SH_USES },
1770 { BFD_RELOC_SH_COUNT, R_SH_COUNT },
1771 { BFD_RELOC_SH_ALIGN, R_SH_ALIGN },
1772 { BFD_RELOC_SH_CODE, R_SH_CODE },
1773 { BFD_RELOC_SH_DATA, R_SH_DATA },
1774 { BFD_RELOC_SH_LABEL, R_SH_LABEL },
1775 { BFD_RELOC_VTABLE_INHERIT, R_SH_GNU_VTINHERIT },
1776 { BFD_RELOC_VTABLE_ENTRY, R_SH_GNU_VTENTRY },
1777 { BFD_RELOC_SH_LOOP_START, R_SH_LOOP_START },
1778 { BFD_RELOC_SH_LOOP_END, R_SH_LOOP_END },
1779 { BFD_RELOC_32_GOT_PCREL, R_SH_GOT32 },
1780 { BFD_RELOC_32_PLT_PCREL, R_SH_PLT32 },
1781 { BFD_RELOC_SH_COPY, R_SH_COPY },
1782 { BFD_RELOC_SH_GLOB_DAT, R_SH_GLOB_DAT },
1783 { BFD_RELOC_SH_JMP_SLOT, R_SH_JMP_SLOT },
1784 { BFD_RELOC_SH_RELATIVE, R_SH_RELATIVE },
1785 { BFD_RELOC_32_GOTOFF, R_SH_GOTOFF },
1786 { BFD_RELOC_SH_GOTPC, R_SH_GOTPC },
1787 { BFD_RELOC_SH_GOTPLT32, R_SH_GOTPLT32 },
1788 #ifdef INCLUDE_SHMEDIA
1789 { BFD_RELOC_SH_GOT_LOW16, R_SH_GOT_LOW16 },
1790 { BFD_RELOC_SH_GOT_MEDLOW16, R_SH_GOT_MEDLOW16 },
1791 { BFD_RELOC_SH_GOT_MEDHI16, R_SH_GOT_MEDHI16 },
1792 { BFD_RELOC_SH_GOT_HI16, R_SH_GOT_HI16 },
1793 { BFD_RELOC_SH_GOTPLT_LOW16, R_SH_GOTPLT_LOW16 },
1794 { BFD_RELOC_SH_GOTPLT_MEDLOW16, R_SH_GOTPLT_MEDLOW16 },
1795 { BFD_RELOC_SH_GOTPLT_MEDHI16, R_SH_GOTPLT_MEDHI16 },
1796 { BFD_RELOC_SH_GOTPLT_HI16, R_SH_GOTPLT_HI16 },
1797 { BFD_RELOC_SH_PLT_LOW16, R_SH_PLT_LOW16 },
1798 { BFD_RELOC_SH_PLT_MEDLOW16, R_SH_PLT_MEDLOW16 },
1799 { BFD_RELOC_SH_PLT_MEDHI16, R_SH_PLT_MEDHI16 },
1800 { BFD_RELOC_SH_PLT_HI16, R_SH_PLT_HI16 },
1801 { BFD_RELOC_SH_GOTOFF_LOW16, R_SH_GOTOFF_LOW16 },
1802 { BFD_RELOC_SH_GOTOFF_MEDLOW16, R_SH_GOTOFF_MEDLOW16 },
1803 { BFD_RELOC_SH_GOTOFF_MEDHI16, R_SH_GOTOFF_MEDHI16 },
1804 { BFD_RELOC_SH_GOTOFF_HI16, R_SH_GOTOFF_HI16 },
1805 { BFD_RELOC_SH_GOTPC_LOW16, R_SH_GOTPC_LOW16 },
1806 { BFD_RELOC_SH_GOTPC_MEDLOW16, R_SH_GOTPC_MEDLOW16 },
1807 { BFD_RELOC_SH_GOTPC_MEDHI16, R_SH_GOTPC_MEDHI16 },
1808 { BFD_RELOC_SH_GOTPC_HI16, R_SH_GOTPC_HI16 },
1809 { BFD_RELOC_SH_COPY64, R_SH_COPY64 },
1810 { BFD_RELOC_SH_GLOB_DAT64, R_SH_GLOB_DAT64 },
1811 { BFD_RELOC_SH_JMP_SLOT64, R_SH_JMP_SLOT64 },
1812 { BFD_RELOC_SH_RELATIVE64, R_SH_RELATIVE64 },
1813 { BFD_RELOC_SH_GOT10BY4, R_SH_GOT10BY4 },
1814 { BFD_RELOC_SH_GOT10BY8, R_SH_GOT10BY8 },
1815 { BFD_RELOC_SH_GOTPLT10BY4, R_SH_GOTPLT10BY4 },
1816 { BFD_RELOC_SH_GOTPLT10BY8, R_SH_GOTPLT10BY8 },
1817 { BFD_RELOC_SH_PT_16, R_SH_PT_16 },
1818 { BFD_RELOC_SH_SHMEDIA_CODE, R_SH_SHMEDIA_CODE },
1819 { BFD_RELOC_SH_IMMU5, R_SH_DIR5U },
1820 { BFD_RELOC_SH_IMMS6, R_SH_DIR6S },
1821 { BFD_RELOC_SH_IMMU6, R_SH_DIR6U },
1822 { BFD_RELOC_SH_IMMS10, R_SH_DIR10S },
1823 { BFD_RELOC_SH_IMMS10BY2, R_SH_DIR10SW },
1824 { BFD_RELOC_SH_IMMS10BY4, R_SH_DIR10SL },
1825 { BFD_RELOC_SH_IMMS10BY8, R_SH_DIR10SQ },
1826 { BFD_RELOC_SH_IMMS16, R_SH_IMMS16 },
1827 { BFD_RELOC_SH_IMMU16, R_SH_IMMU16 },
1828 { BFD_RELOC_SH_IMM_LOW16, R_SH_IMM_LOW16 },
1829 { BFD_RELOC_SH_IMM_LOW16_PCREL, R_SH_IMM_LOW16_PCREL },
1830 { BFD_RELOC_SH_IMM_MEDLOW16, R_SH_IMM_MEDLOW16 },
1831 { BFD_RELOC_SH_IMM_MEDLOW16_PCREL, R_SH_IMM_MEDLOW16_PCREL },
1832 { BFD_RELOC_SH_IMM_MEDHI16, R_SH_IMM_MEDHI16 },
1833 { BFD_RELOC_SH_IMM_MEDHI16_PCREL, R_SH_IMM_MEDHI16_PCREL },
1834 { BFD_RELOC_SH_IMM_HI16, R_SH_IMM_HI16 },
1835 { BFD_RELOC_SH_IMM_HI16_PCREL, R_SH_IMM_HI16_PCREL },
1836 { BFD_RELOC_64, R_SH_64 },
1837 { BFD_RELOC_64_PCREL, R_SH_64_PCREL },
1838 #endif /* not INCLUDE_SHMEDIA */
1839 };
1840
1841 /* Given a BFD reloc code, return the howto structure for the
1842 corresponding SH ELf reloc. */
1843
1844 static reloc_howto_type *
1845 sh_elf_reloc_type_lookup (abfd, code)
1846 bfd *abfd ATTRIBUTE_UNUSED;
1847 bfd_reloc_code_real_type code;
1848 {
1849 unsigned int i;
1850
1851 for (i = 0; i < sizeof (sh_reloc_map) / sizeof (struct elf_reloc_map); i++)
1852 {
1853 if (sh_reloc_map[i].bfd_reloc_val == code)
1854 return &sh_elf_howto_table[(int) sh_reloc_map[i].elf_reloc_val];
1855 }
1856
1857 return NULL;
1858 }
1859
1860 /* Given an ELF reloc, fill in the howto field of a relent. */
1861
1862 static void
1863 sh_elf_info_to_howto (abfd, cache_ptr, dst)
1864 bfd *abfd ATTRIBUTE_UNUSED;
1865 arelent *cache_ptr;
1866 Elf_Internal_Rela *dst;
1867 {
1868 unsigned int r;
1869
1870 r = ELF32_R_TYPE (dst->r_info);
1871
1872 BFD_ASSERT (r < (unsigned int) R_SH_max);
1873 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC || r > R_SH_LAST_INVALID_RELOC);
1874 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_2 || r > R_SH_LAST_INVALID_RELOC_2);
1875 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_3 || r > R_SH_LAST_INVALID_RELOC_3);
1876 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_4 || r > R_SH_LAST_INVALID_RELOC_4);
1877
1878 cache_ptr->howto = &sh_elf_howto_table[r];
1879 }
1880 \f
1881 /* This function handles relaxing for SH ELF. See the corresponding
1882 function in coff-sh.c for a description of what this does. FIXME:
1883 There is a lot of duplication here between this code and the COFF
1884 specific code. The format of relocs and symbols is wound deeply
1885 into this code, but it would still be better if the duplication
1886 could be eliminated somehow. Note in particular that although both
1887 functions use symbols like R_SH_CODE, those symbols have different
1888 values; in coff-sh.c they come from include/coff/sh.h, whereas here
1889 they come from enum elf_sh_reloc_type in include/elf/sh.h. */
1890
1891 static boolean
1892 sh_elf_relax_section (abfd, sec, link_info, again)
1893 bfd *abfd;
1894 asection *sec;
1895 struct bfd_link_info *link_info;
1896 boolean *again;
1897 {
1898 Elf_Internal_Shdr *symtab_hdr;
1899 Elf_Internal_Rela *internal_relocs;
1900 boolean have_code;
1901 Elf_Internal_Rela *irel, *irelend;
1902 bfd_byte *contents = NULL;
1903 Elf_Internal_Sym *isymbuf = NULL;
1904
1905 *again = false;
1906
1907 if (link_info->relocateable
1908 || (sec->flags & SEC_RELOC) == 0
1909 || sec->reloc_count == 0)
1910 return true;
1911
1912 #ifdef INCLUDE_SHMEDIA
1913 if (elf_section_data (sec)->this_hdr.sh_flags
1914 & (SHF_SH5_ISA32 | SHF_SH5_ISA32_MIXED))
1915 {
1916 return true;
1917 }
1918 #endif
1919
1920 /* If this is the first time we have been called for this section,
1921 initialize the cooked size. */
1922 if (sec->_cooked_size == 0)
1923 sec->_cooked_size = sec->_raw_size;
1924
1925 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
1926
1927 internal_relocs = (_bfd_elf32_link_read_relocs
1928 (abfd, sec, (PTR) NULL, (Elf_Internal_Rela *) NULL,
1929 link_info->keep_memory));
1930 if (internal_relocs == NULL)
1931 goto error_return;
1932
1933 have_code = false;
1934
1935 irelend = internal_relocs + sec->reloc_count;
1936 for (irel = internal_relocs; irel < irelend; irel++)
1937 {
1938 bfd_vma laddr, paddr, symval;
1939 unsigned short insn;
1940 Elf_Internal_Rela *irelfn, *irelscan, *irelcount;
1941 bfd_signed_vma foff;
1942
1943 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_CODE)
1944 have_code = true;
1945
1946 if (ELF32_R_TYPE (irel->r_info) != (int) R_SH_USES)
1947 continue;
1948
1949 /* Get the section contents. */
1950 if (contents == NULL)
1951 {
1952 if (elf_section_data (sec)->this_hdr.contents != NULL)
1953 contents = elf_section_data (sec)->this_hdr.contents;
1954 else
1955 {
1956 contents = (bfd_byte *) bfd_malloc (sec->_raw_size);
1957 if (contents == NULL)
1958 goto error_return;
1959
1960 if (! bfd_get_section_contents (abfd, sec, contents,
1961 (file_ptr) 0, sec->_raw_size))
1962 goto error_return;
1963 }
1964 }
1965
1966 /* The r_addend field of the R_SH_USES reloc will point us to
1967 the register load. The 4 is because the r_addend field is
1968 computed as though it were a jump offset, which are based
1969 from 4 bytes after the jump instruction. */
1970 laddr = irel->r_offset + 4 + irel->r_addend;
1971 if (laddr >= sec->_raw_size)
1972 {
1973 (*_bfd_error_handler) (_("%s: 0x%lx: warning: bad R_SH_USES offset"),
1974 bfd_archive_filename (abfd),
1975 (unsigned long) irel->r_offset);
1976 continue;
1977 }
1978 insn = bfd_get_16 (abfd, contents + laddr);
1979
1980 /* If the instruction is not mov.l NN,rN, we don't know what to
1981 do. */
1982 if ((insn & 0xf000) != 0xd000)
1983 {
1984 ((*_bfd_error_handler)
1985 (_("%s: 0x%lx: warning: R_SH_USES points to unrecognized insn 0x%x"),
1986 bfd_archive_filename (abfd), (unsigned long) irel->r_offset, insn));
1987 continue;
1988 }
1989
1990 /* Get the address from which the register is being loaded. The
1991 displacement in the mov.l instruction is quadrupled. It is a
1992 displacement from four bytes after the movl instruction, but,
1993 before adding in the PC address, two least significant bits
1994 of the PC are cleared. We assume that the section is aligned
1995 on a four byte boundary. */
1996 paddr = insn & 0xff;
1997 paddr *= 4;
1998 paddr += (laddr + 4) &~ (bfd_vma) 3;
1999 if (paddr >= sec->_raw_size)
2000 {
2001 ((*_bfd_error_handler)
2002 (_("%s: 0x%lx: warning: bad R_SH_USES load offset"),
2003 bfd_archive_filename (abfd), (unsigned long) irel->r_offset));
2004 continue;
2005 }
2006
2007 /* Get the reloc for the address from which the register is
2008 being loaded. This reloc will tell us which function is
2009 actually being called. */
2010 for (irelfn = internal_relocs; irelfn < irelend; irelfn++)
2011 if (irelfn->r_offset == paddr
2012 && ELF32_R_TYPE (irelfn->r_info) == (int) R_SH_DIR32)
2013 break;
2014 if (irelfn >= irelend)
2015 {
2016 ((*_bfd_error_handler)
2017 (_("%s: 0x%lx: warning: could not find expected reloc"),
2018 bfd_archive_filename (abfd), (unsigned long) paddr));
2019 continue;
2020 }
2021
2022 /* Read this BFD's symbols if we haven't done so already. */
2023 if (isymbuf == NULL && symtab_hdr->sh_info != 0)
2024 {
2025 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
2026 if (isymbuf == NULL)
2027 isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
2028 symtab_hdr->sh_info, 0,
2029 NULL, NULL, NULL);
2030 if (isymbuf == NULL)
2031 goto error_return;
2032 }
2033
2034 /* Get the value of the symbol referred to by the reloc. */
2035 if (ELF32_R_SYM (irelfn->r_info) < symtab_hdr->sh_info)
2036 {
2037 /* A local symbol. */
2038 Elf_Internal_Sym *isym;
2039
2040 isym = isymbuf + ELF32_R_SYM (irelfn->r_info);
2041 if (isym->st_shndx
2042 != (unsigned int) _bfd_elf_section_from_bfd_section (abfd, sec))
2043 {
2044 ((*_bfd_error_handler)
2045 (_("%s: 0x%lx: warning: symbol in unexpected section"),
2046 bfd_archive_filename (abfd), (unsigned long) paddr));
2047 continue;
2048 }
2049
2050 symval = (isym->st_value
2051 + sec->output_section->vma
2052 + sec->output_offset);
2053 }
2054 else
2055 {
2056 unsigned long indx;
2057 struct elf_link_hash_entry *h;
2058
2059 indx = ELF32_R_SYM (irelfn->r_info) - symtab_hdr->sh_info;
2060 h = elf_sym_hashes (abfd)[indx];
2061 BFD_ASSERT (h != NULL);
2062 if (h->root.type != bfd_link_hash_defined
2063 && h->root.type != bfd_link_hash_defweak)
2064 {
2065 /* This appears to be a reference to an undefined
2066 symbol. Just ignore it--it will be caught by the
2067 regular reloc processing. */
2068 continue;
2069 }
2070
2071 symval = (h->root.u.def.value
2072 + h->root.u.def.section->output_section->vma
2073 + h->root.u.def.section->output_offset);
2074 }
2075
2076 symval += bfd_get_32 (abfd, contents + paddr);
2077
2078 /* See if this function call can be shortened. */
2079 foff = (symval
2080 - (irel->r_offset
2081 + sec->output_section->vma
2082 + sec->output_offset
2083 + 4));
2084 if (foff < -0x1000 || foff >= 0x1000)
2085 {
2086 /* After all that work, we can't shorten this function call. */
2087 continue;
2088 }
2089
2090 /* Shorten the function call. */
2091
2092 /* For simplicity of coding, we are going to modify the section
2093 contents, the section relocs, and the BFD symbol table. We
2094 must tell the rest of the code not to free up this
2095 information. It would be possible to instead create a table
2096 of changes which have to be made, as is done in coff-mips.c;
2097 that would be more work, but would require less memory when
2098 the linker is run. */
2099
2100 elf_section_data (sec)->relocs = internal_relocs;
2101 elf_section_data (sec)->this_hdr.contents = contents;
2102 symtab_hdr->contents = (unsigned char *) isymbuf;
2103
2104 /* Replace the jsr with a bsr. */
2105
2106 /* Change the R_SH_USES reloc into an R_SH_IND12W reloc, and
2107 replace the jsr with a bsr. */
2108 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irelfn->r_info), R_SH_IND12W);
2109 if (ELF32_R_SYM (irelfn->r_info) < symtab_hdr->sh_info)
2110 {
2111 /* If this needs to be changed because of future relaxing,
2112 it will be handled here like other internal IND12W
2113 relocs. */
2114 bfd_put_16 (abfd,
2115 (bfd_vma) 0xb000 | ((foff >> 1) & 0xfff),
2116 contents + irel->r_offset);
2117 }
2118 else
2119 {
2120 /* We can't fully resolve this yet, because the external
2121 symbol value may be changed by future relaxing. We let
2122 the final link phase handle it. */
2123 bfd_put_16 (abfd, (bfd_vma) 0xb000, contents + irel->r_offset);
2124 }
2125
2126 /* See if there is another R_SH_USES reloc referring to the same
2127 register load. */
2128 for (irelscan = internal_relocs; irelscan < irelend; irelscan++)
2129 if (ELF32_R_TYPE (irelscan->r_info) == (int) R_SH_USES
2130 && laddr == irelscan->r_offset + 4 + irelscan->r_addend)
2131 break;
2132 if (irelscan < irelend)
2133 {
2134 /* Some other function call depends upon this register load,
2135 and we have not yet converted that function call.
2136 Indeed, we may never be able to convert it. There is
2137 nothing else we can do at this point. */
2138 continue;
2139 }
2140
2141 /* Look for a R_SH_COUNT reloc on the location where the
2142 function address is stored. Do this before deleting any
2143 bytes, to avoid confusion about the address. */
2144 for (irelcount = internal_relocs; irelcount < irelend; irelcount++)
2145 if (irelcount->r_offset == paddr
2146 && ELF32_R_TYPE (irelcount->r_info) == (int) R_SH_COUNT)
2147 break;
2148
2149 /* Delete the register load. */
2150 if (! sh_elf_relax_delete_bytes (abfd, sec, laddr, 2))
2151 goto error_return;
2152
2153 /* That will change things, so, just in case it permits some
2154 other function call to come within range, we should relax
2155 again. Note that this is not required, and it may be slow. */
2156 *again = true;
2157
2158 /* Now check whether we got a COUNT reloc. */
2159 if (irelcount >= irelend)
2160 {
2161 ((*_bfd_error_handler)
2162 (_("%s: 0x%lx: warning: could not find expected COUNT reloc"),
2163 bfd_archive_filename (abfd), (unsigned long) paddr));
2164 continue;
2165 }
2166
2167 /* The number of uses is stored in the r_addend field. We've
2168 just deleted one. */
2169 if (irelcount->r_addend == 0)
2170 {
2171 ((*_bfd_error_handler) (_("%s: 0x%lx: warning: bad count"),
2172 bfd_archive_filename (abfd),
2173 (unsigned long) paddr));
2174 continue;
2175 }
2176
2177 --irelcount->r_addend;
2178
2179 /* If there are no more uses, we can delete the address. Reload
2180 the address from irelfn, in case it was changed by the
2181 previous call to sh_elf_relax_delete_bytes. */
2182 if (irelcount->r_addend == 0)
2183 {
2184 if (! sh_elf_relax_delete_bytes (abfd, sec, irelfn->r_offset, 4))
2185 goto error_return;
2186 }
2187
2188 /* We've done all we can with that function call. */
2189 }
2190
2191 /* Look for load and store instructions that we can align on four
2192 byte boundaries. */
2193 if (have_code)
2194 {
2195 boolean swapped;
2196
2197 /* Get the section contents. */
2198 if (contents == NULL)
2199 {
2200 if (elf_section_data (sec)->this_hdr.contents != NULL)
2201 contents = elf_section_data (sec)->this_hdr.contents;
2202 else
2203 {
2204 contents = (bfd_byte *) bfd_malloc (sec->_raw_size);
2205 if (contents == NULL)
2206 goto error_return;
2207
2208 if (! bfd_get_section_contents (abfd, sec, contents,
2209 (file_ptr) 0, sec->_raw_size))
2210 goto error_return;
2211 }
2212 }
2213
2214 if (! sh_elf_align_loads (abfd, sec, internal_relocs, contents,
2215 &swapped))
2216 goto error_return;
2217
2218 if (swapped)
2219 {
2220 elf_section_data (sec)->relocs = internal_relocs;
2221 elf_section_data (sec)->this_hdr.contents = contents;
2222 symtab_hdr->contents = (unsigned char *) isymbuf;
2223 }
2224 }
2225
2226 if (isymbuf != NULL
2227 && symtab_hdr->contents != (unsigned char *) isymbuf)
2228 {
2229 if (! link_info->keep_memory)
2230 free (isymbuf);
2231 else
2232 {
2233 /* Cache the symbols for elf_link_input_bfd. */
2234 symtab_hdr->contents = (unsigned char *) isymbuf;
2235 }
2236 }
2237
2238 if (contents != NULL
2239 && elf_section_data (sec)->this_hdr.contents != contents)
2240 {
2241 if (! link_info->keep_memory)
2242 free (contents);
2243 else
2244 {
2245 /* Cache the section contents for elf_link_input_bfd. */
2246 elf_section_data (sec)->this_hdr.contents = contents;
2247 }
2248 }
2249
2250 if (internal_relocs != NULL
2251 && elf_section_data (sec)->relocs != internal_relocs)
2252 free (internal_relocs);
2253
2254 return true;
2255
2256 error_return:
2257 if (isymbuf != NULL
2258 && symtab_hdr->contents != (unsigned char *) isymbuf)
2259 free (isymbuf);
2260 if (contents != NULL
2261 && elf_section_data (sec)->this_hdr.contents != contents)
2262 free (contents);
2263 if (internal_relocs != NULL
2264 && elf_section_data (sec)->relocs != internal_relocs)
2265 free (internal_relocs);
2266
2267 return false;
2268 }
2269
2270 /* Delete some bytes from a section while relaxing. FIXME: There is a
2271 lot of duplication between this function and sh_relax_delete_bytes
2272 in coff-sh.c. */
2273
2274 static boolean
2275 sh_elf_relax_delete_bytes (abfd, sec, addr, count)
2276 bfd *abfd;
2277 asection *sec;
2278 bfd_vma addr;
2279 int count;
2280 {
2281 Elf_Internal_Shdr *symtab_hdr;
2282 unsigned int sec_shndx;
2283 bfd_byte *contents;
2284 Elf_Internal_Rela *irel, *irelend;
2285 Elf_Internal_Rela *irelalign;
2286 bfd_vma toaddr;
2287 Elf_Internal_Sym *isymbuf, *isym, *isymend;
2288 struct elf_link_hash_entry **sym_hashes;
2289 struct elf_link_hash_entry **end_hashes;
2290 unsigned int symcount;
2291 asection *o;
2292
2293 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
2294 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
2295
2296 sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
2297
2298 contents = elf_section_data (sec)->this_hdr.contents;
2299
2300 /* The deletion must stop at the next ALIGN reloc for an aligment
2301 power larger than the number of bytes we are deleting. */
2302
2303 irelalign = NULL;
2304 toaddr = sec->_cooked_size;
2305
2306 irel = elf_section_data (sec)->relocs;
2307 irelend = irel + sec->reloc_count;
2308 for (; irel < irelend; irel++)
2309 {
2310 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_ALIGN
2311 && irel->r_offset > addr
2312 && count < (1 << irel->r_addend))
2313 {
2314 irelalign = irel;
2315 toaddr = irel->r_offset;
2316 break;
2317 }
2318 }
2319
2320 /* Actually delete the bytes. */
2321 memmove (contents + addr, contents + addr + count,
2322 (size_t) (toaddr - addr - count));
2323 if (irelalign == NULL)
2324 sec->_cooked_size -= count;
2325 else
2326 {
2327 int i;
2328
2329 #define NOP_OPCODE (0x0009)
2330
2331 BFD_ASSERT ((count & 1) == 0);
2332 for (i = 0; i < count; i += 2)
2333 bfd_put_16 (abfd, (bfd_vma) NOP_OPCODE, contents + toaddr - count + i);
2334 }
2335
2336 /* Adjust all the relocs. */
2337 for (irel = elf_section_data (sec)->relocs; irel < irelend; irel++)
2338 {
2339 bfd_vma nraddr, stop;
2340 bfd_vma start = 0;
2341 int insn = 0;
2342 int off, adjust, oinsn;
2343 bfd_signed_vma voff = 0;
2344 boolean overflow;
2345
2346 /* Get the new reloc address. */
2347 nraddr = irel->r_offset;
2348 if ((irel->r_offset > addr
2349 && irel->r_offset < toaddr)
2350 || (ELF32_R_TYPE (irel->r_info) == (int) R_SH_ALIGN
2351 && irel->r_offset == toaddr))
2352 nraddr -= count;
2353
2354 /* See if this reloc was for the bytes we have deleted, in which
2355 case we no longer care about it. Don't delete relocs which
2356 represent addresses, though. */
2357 if (irel->r_offset >= addr
2358 && irel->r_offset < addr + count
2359 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_ALIGN
2360 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_CODE
2361 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_DATA
2362 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_LABEL)
2363 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
2364 (int) R_SH_NONE);
2365
2366 /* If this is a PC relative reloc, see if the range it covers
2367 includes the bytes we have deleted. */
2368 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
2369 {
2370 default:
2371 break;
2372
2373 case R_SH_DIR8WPN:
2374 case R_SH_IND12W:
2375 case R_SH_DIR8WPZ:
2376 case R_SH_DIR8WPL:
2377 start = irel->r_offset;
2378 insn = bfd_get_16 (abfd, contents + nraddr);
2379 break;
2380 }
2381
2382 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
2383 {
2384 default:
2385 start = stop = addr;
2386 break;
2387
2388 case R_SH_DIR32:
2389 /* If this reloc is against a symbol defined in this
2390 section, and the symbol will not be adjusted below, we
2391 must check the addend to see it will put the value in
2392 range to be adjusted, and hence must be changed. */
2393 if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
2394 {
2395 isym = isymbuf + ELF32_R_SYM (irel->r_info);
2396 if (isym->st_shndx == sec_shndx
2397 && (isym->st_value <= addr
2398 || isym->st_value >= toaddr))
2399 {
2400 bfd_vma val;
2401
2402 val = bfd_get_32 (abfd, contents + nraddr);
2403 val += isym->st_value;
2404 if (val > addr && val < toaddr)
2405 bfd_put_32 (abfd, val - count, contents + nraddr);
2406 }
2407 }
2408 start = stop = addr;
2409 break;
2410
2411 case R_SH_DIR8WPN:
2412 off = insn & 0xff;
2413 if (off & 0x80)
2414 off -= 0x100;
2415 stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2);
2416 break;
2417
2418 case R_SH_IND12W:
2419 if (ELF32_R_SYM (irel->r_info) >= symtab_hdr->sh_info)
2420 start = stop = addr;
2421 else
2422 {
2423 off = insn & 0xfff;
2424 if (off & 0x800)
2425 off -= 0x1000;
2426 stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2);
2427 }
2428 break;
2429
2430 case R_SH_DIR8WPZ:
2431 off = insn & 0xff;
2432 stop = start + 4 + off * 2;
2433 break;
2434
2435 case R_SH_DIR8WPL:
2436 off = insn & 0xff;
2437 stop = (start & ~(bfd_vma) 3) + 4 + off * 4;
2438 break;
2439
2440 case R_SH_SWITCH8:
2441 case R_SH_SWITCH16:
2442 case R_SH_SWITCH32:
2443 /* These relocs types represent
2444 .word L2-L1
2445 The r_addend field holds the difference between the reloc
2446 address and L1. That is the start of the reloc, and
2447 adding in the contents gives us the top. We must adjust
2448 both the r_offset field and the section contents.
2449 N.B. in gas / coff bfd, the elf bfd r_addend is called r_offset,
2450 and the elf bfd r_offset is called r_vaddr. */
2451
2452 stop = irel->r_offset;
2453 start = (bfd_vma) ((bfd_signed_vma) stop - (long) irel->r_addend);
2454
2455 if (start > addr
2456 && start < toaddr
2457 && (stop <= addr || stop >= toaddr))
2458 irel->r_addend += count;
2459 else if (stop > addr
2460 && stop < toaddr
2461 && (start <= addr || start >= toaddr))
2462 irel->r_addend -= count;
2463
2464 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_SWITCH16)
2465 voff = bfd_get_signed_16 (abfd, contents + nraddr);
2466 else if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_SWITCH8)
2467 voff = bfd_get_8 (abfd, contents + nraddr);
2468 else
2469 voff = bfd_get_signed_32 (abfd, contents + nraddr);
2470 stop = (bfd_vma) ((bfd_signed_vma) start + voff);
2471
2472 break;
2473
2474 case R_SH_USES:
2475 start = irel->r_offset;
2476 stop = (bfd_vma) ((bfd_signed_vma) start
2477 + (long) irel->r_addend
2478 + 4);
2479 break;
2480 }
2481
2482 if (start > addr
2483 && start < toaddr
2484 && (stop <= addr || stop >= toaddr))
2485 adjust = count;
2486 else if (stop > addr
2487 && stop < toaddr
2488 && (start <= addr || start >= toaddr))
2489 adjust = - count;
2490 else
2491 adjust = 0;
2492
2493 if (adjust != 0)
2494 {
2495 oinsn = insn;
2496 overflow = false;
2497 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
2498 {
2499 default:
2500 abort ();
2501 break;
2502
2503 case R_SH_DIR8WPN:
2504 case R_SH_DIR8WPZ:
2505 insn += adjust / 2;
2506 if ((oinsn & 0xff00) != (insn & 0xff00))
2507 overflow = true;
2508 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
2509 break;
2510
2511 case R_SH_IND12W:
2512 insn += adjust / 2;
2513 if ((oinsn & 0xf000) != (insn & 0xf000))
2514 overflow = true;
2515 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
2516 break;
2517
2518 case R_SH_DIR8WPL:
2519 BFD_ASSERT (adjust == count || count >= 4);
2520 if (count >= 4)
2521 insn += adjust / 4;
2522 else
2523 {
2524 if ((irel->r_offset & 3) == 0)
2525 ++insn;
2526 }
2527 if ((oinsn & 0xff00) != (insn & 0xff00))
2528 overflow = true;
2529 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
2530 break;
2531
2532 case R_SH_SWITCH8:
2533 voff += adjust;
2534 if (voff < 0 || voff >= 0xff)
2535 overflow = true;
2536 bfd_put_8 (abfd, voff, contents + nraddr);
2537 break;
2538
2539 case R_SH_SWITCH16:
2540 voff += adjust;
2541 if (voff < - 0x8000 || voff >= 0x8000)
2542 overflow = true;
2543 bfd_put_signed_16 (abfd, (bfd_vma) voff, contents + nraddr);
2544 break;
2545
2546 case R_SH_SWITCH32:
2547 voff += adjust;
2548 bfd_put_signed_32 (abfd, (bfd_vma) voff, contents + nraddr);
2549 break;
2550
2551 case R_SH_USES:
2552 irel->r_addend += adjust;
2553 break;
2554 }
2555
2556 if (overflow)
2557 {
2558 ((*_bfd_error_handler)
2559 (_("%s: 0x%lx: fatal: reloc overflow while relaxing"),
2560 bfd_archive_filename (abfd), (unsigned long) irel->r_offset));
2561 bfd_set_error (bfd_error_bad_value);
2562 return false;
2563 }
2564 }
2565
2566 irel->r_offset = nraddr;
2567 }
2568
2569 /* Look through all the other sections. If there contain any IMM32
2570 relocs against internal symbols which we are not going to adjust
2571 below, we may need to adjust the addends. */
2572 for (o = abfd->sections; o != NULL; o = o->next)
2573 {
2574 Elf_Internal_Rela *internal_relocs;
2575 Elf_Internal_Rela *irelscan, *irelscanend;
2576 bfd_byte *ocontents;
2577
2578 if (o == sec
2579 || (o->flags & SEC_RELOC) == 0
2580 || o->reloc_count == 0)
2581 continue;
2582
2583 /* We always cache the relocs. Perhaps, if info->keep_memory is
2584 false, we should free them, if we are permitted to, when we
2585 leave sh_coff_relax_section. */
2586 internal_relocs = (_bfd_elf32_link_read_relocs
2587 (abfd, o, (PTR) NULL, (Elf_Internal_Rela *) NULL,
2588 true));
2589 if (internal_relocs == NULL)
2590 return false;
2591
2592 ocontents = NULL;
2593 irelscanend = internal_relocs + o->reloc_count;
2594 for (irelscan = internal_relocs; irelscan < irelscanend; irelscan++)
2595 {
2596 /* Dwarf line numbers use R_SH_SWITCH32 relocs. */
2597 if (ELF32_R_TYPE (irelscan->r_info) == (int) R_SH_SWITCH32)
2598 {
2599 bfd_vma start, stop;
2600 bfd_signed_vma voff;
2601
2602 if (ocontents == NULL)
2603 {
2604 if (elf_section_data (o)->this_hdr.contents != NULL)
2605 ocontents = elf_section_data (o)->this_hdr.contents;
2606 else
2607 {
2608 /* We always cache the section contents.
2609 Perhaps, if info->keep_memory is false, we
2610 should free them, if we are permitted to,
2611 when we leave sh_coff_relax_section. */
2612 ocontents = (bfd_byte *) bfd_malloc (o->_raw_size);
2613 if (ocontents == NULL)
2614 return false;
2615 if (! bfd_get_section_contents (abfd, o, ocontents,
2616 (file_ptr) 0,
2617 o->_raw_size))
2618 return false;
2619 elf_section_data (o)->this_hdr.contents = ocontents;
2620 }
2621 }
2622
2623 stop = irelscan->r_offset;
2624 start
2625 = (bfd_vma) ((bfd_signed_vma) stop - (long) irelscan->r_addend);
2626
2627 /* STOP is in a different section, so it won't change. */
2628 if (start > addr && start < toaddr)
2629 irelscan->r_addend += count;
2630
2631 voff = bfd_get_signed_32 (abfd, ocontents + irelscan->r_offset);
2632 stop = (bfd_vma) ((bfd_signed_vma) start + voff);
2633
2634 if (start > addr
2635 && start < toaddr
2636 && (stop <= addr || stop >= toaddr))
2637 bfd_put_signed_32 (abfd, (bfd_vma) voff + count,
2638 ocontents + irelscan->r_offset);
2639 else if (stop > addr
2640 && stop < toaddr
2641 && (start <= addr || start >= toaddr))
2642 bfd_put_signed_32 (abfd, (bfd_vma) voff - count,
2643 ocontents + irelscan->r_offset);
2644 }
2645
2646 if (ELF32_R_TYPE (irelscan->r_info) != (int) R_SH_DIR32)
2647 continue;
2648
2649 if (ELF32_R_SYM (irelscan->r_info) >= symtab_hdr->sh_info)
2650 continue;
2651
2652
2653 isym = isymbuf + ELF32_R_SYM (irelscan->r_info);
2654 if (isym->st_shndx == sec_shndx
2655 && (isym->st_value <= addr
2656 || isym->st_value >= toaddr))
2657 {
2658 bfd_vma val;
2659
2660 if (ocontents == NULL)
2661 {
2662 if (elf_section_data (o)->this_hdr.contents != NULL)
2663 ocontents = elf_section_data (o)->this_hdr.contents;
2664 else
2665 {
2666 /* We always cache the section contents.
2667 Perhaps, if info->keep_memory is false, we
2668 should free them, if we are permitted to,
2669 when we leave sh_coff_relax_section. */
2670 ocontents = (bfd_byte *) bfd_malloc (o->_raw_size);
2671 if (ocontents == NULL)
2672 return false;
2673 if (! bfd_get_section_contents (abfd, o, ocontents,
2674 (file_ptr) 0,
2675 o->_raw_size))
2676 return false;
2677 elf_section_data (o)->this_hdr.contents = ocontents;
2678 }
2679 }
2680
2681 val = bfd_get_32 (abfd, ocontents + irelscan->r_offset);
2682 val += isym->st_value;
2683 if (val > addr && val < toaddr)
2684 bfd_put_32 (abfd, val - count,
2685 ocontents + irelscan->r_offset);
2686 }
2687 }
2688 }
2689
2690 /* Adjust the local symbols defined in this section. */
2691 isymend = isymbuf + symtab_hdr->sh_info;
2692 for (isym = isymbuf; isym < isymend; isym++)
2693 {
2694 if (isym->st_shndx == sec_shndx
2695 && isym->st_value > addr
2696 && isym->st_value < toaddr)
2697 isym->st_value -= count;
2698 }
2699
2700 /* Now adjust the global symbols defined in this section. */
2701 symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
2702 - symtab_hdr->sh_info);
2703 sym_hashes = elf_sym_hashes (abfd);
2704 end_hashes = sym_hashes + symcount;
2705 for (; sym_hashes < end_hashes; sym_hashes++)
2706 {
2707 struct elf_link_hash_entry *sym_hash = *sym_hashes;
2708 if ((sym_hash->root.type == bfd_link_hash_defined
2709 || sym_hash->root.type == bfd_link_hash_defweak)
2710 && sym_hash->root.u.def.section == sec
2711 && sym_hash->root.u.def.value > addr
2712 && sym_hash->root.u.def.value < toaddr)
2713 {
2714 sym_hash->root.u.def.value -= count;
2715 }
2716 }
2717
2718 /* See if we can move the ALIGN reloc forward. We have adjusted
2719 r_offset for it already. */
2720 if (irelalign != NULL)
2721 {
2722 bfd_vma alignto, alignaddr;
2723
2724 alignto = BFD_ALIGN (toaddr, 1 << irelalign->r_addend);
2725 alignaddr = BFD_ALIGN (irelalign->r_offset,
2726 1 << irelalign->r_addend);
2727 if (alignto != alignaddr)
2728 {
2729 /* Tail recursion. */
2730 return sh_elf_relax_delete_bytes (abfd, sec, alignaddr,
2731 (int) (alignto - alignaddr));
2732 }
2733 }
2734
2735 return true;
2736 }
2737
2738 /* Look for loads and stores which we can align to four byte
2739 boundaries. This is like sh_align_loads in coff-sh.c. */
2740
2741 static boolean
2742 sh_elf_align_loads (abfd, sec, internal_relocs, contents, pswapped)
2743 bfd *abfd ATTRIBUTE_UNUSED;
2744 asection *sec;
2745 Elf_Internal_Rela *internal_relocs;
2746 bfd_byte *contents ATTRIBUTE_UNUSED;
2747 boolean *pswapped;
2748 {
2749 Elf_Internal_Rela *irel, *irelend;
2750 bfd_vma *labels = NULL;
2751 bfd_vma *label, *label_end;
2752 bfd_size_type amt;
2753
2754 *pswapped = false;
2755
2756 irelend = internal_relocs + sec->reloc_count;
2757
2758 /* Get all the addresses with labels on them. */
2759 amt = sec->reloc_count;
2760 amt *= sizeof (bfd_vma);
2761 labels = (bfd_vma *) bfd_malloc (amt);
2762 if (labels == NULL)
2763 goto error_return;
2764 label_end = labels;
2765 for (irel = internal_relocs; irel < irelend; irel++)
2766 {
2767 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_LABEL)
2768 {
2769 *label_end = irel->r_offset;
2770 ++label_end;
2771 }
2772 }
2773
2774 /* Note that the assembler currently always outputs relocs in
2775 address order. If that ever changes, this code will need to sort
2776 the label values and the relocs. */
2777
2778 label = labels;
2779
2780 for (irel = internal_relocs; irel < irelend; irel++)
2781 {
2782 bfd_vma start, stop;
2783
2784 if (ELF32_R_TYPE (irel->r_info) != (int) R_SH_CODE)
2785 continue;
2786
2787 start = irel->r_offset;
2788
2789 for (irel++; irel < irelend; irel++)
2790 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_DATA)
2791 break;
2792 if (irel < irelend)
2793 stop = irel->r_offset;
2794 else
2795 stop = sec->_cooked_size;
2796
2797 if (! _bfd_sh_align_load_span (abfd, sec, contents, sh_elf_swap_insns,
2798 (PTR) internal_relocs, &label,
2799 label_end, start, stop, pswapped))
2800 goto error_return;
2801 }
2802
2803 free (labels);
2804
2805 return true;
2806
2807 error_return:
2808 if (labels != NULL)
2809 free (labels);
2810 return false;
2811 }
2812
2813 /* Swap two SH instructions. This is like sh_swap_insns in coff-sh.c. */
2814
2815 static boolean
2816 sh_elf_swap_insns (abfd, sec, relocs, contents, addr)
2817 bfd *abfd;
2818 asection *sec;
2819 PTR relocs;
2820 bfd_byte *contents;
2821 bfd_vma addr;
2822 {
2823 Elf_Internal_Rela *internal_relocs = (Elf_Internal_Rela *) relocs;
2824 unsigned short i1, i2;
2825 Elf_Internal_Rela *irel, *irelend;
2826
2827 /* Swap the instructions themselves. */
2828 i1 = bfd_get_16 (abfd, contents + addr);
2829 i2 = bfd_get_16 (abfd, contents + addr + 2);
2830 bfd_put_16 (abfd, (bfd_vma) i2, contents + addr);
2831 bfd_put_16 (abfd, (bfd_vma) i1, contents + addr + 2);
2832
2833 /* Adjust all reloc addresses. */
2834 irelend = internal_relocs + sec->reloc_count;
2835 for (irel = internal_relocs; irel < irelend; irel++)
2836 {
2837 enum elf_sh_reloc_type type;
2838 int add;
2839
2840 /* There are a few special types of relocs that we don't want to
2841 adjust. These relocs do not apply to the instruction itself,
2842 but are only associated with the address. */
2843 type = (enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info);
2844 if (type == R_SH_ALIGN
2845 || type == R_SH_CODE
2846 || type == R_SH_DATA
2847 || type == R_SH_LABEL)
2848 continue;
2849
2850 /* If an R_SH_USES reloc points to one of the addresses being
2851 swapped, we must adjust it. It would be incorrect to do this
2852 for a jump, though, since we want to execute both
2853 instructions after the jump. (We have avoided swapping
2854 around a label, so the jump will not wind up executing an
2855 instruction it shouldn't). */
2856 if (type == R_SH_USES)
2857 {
2858 bfd_vma off;
2859
2860 off = irel->r_offset + 4 + irel->r_addend;
2861 if (off == addr)
2862 irel->r_offset += 2;
2863 else if (off == addr + 2)
2864 irel->r_offset -= 2;
2865 }
2866
2867 if (irel->r_offset == addr)
2868 {
2869 irel->r_offset += 2;
2870 add = -2;
2871 }
2872 else if (irel->r_offset == addr + 2)
2873 {
2874 irel->r_offset -= 2;
2875 add = 2;
2876 }
2877 else
2878 add = 0;
2879
2880 if (add != 0)
2881 {
2882 bfd_byte *loc;
2883 unsigned short insn, oinsn;
2884 boolean overflow;
2885
2886 loc = contents + irel->r_offset;
2887 overflow = false;
2888 switch (type)
2889 {
2890 default:
2891 break;
2892
2893 case R_SH_DIR8WPN:
2894 case R_SH_DIR8WPZ:
2895 insn = bfd_get_16 (abfd, loc);
2896 oinsn = insn;
2897 insn += add / 2;
2898 if ((oinsn & 0xff00) != (insn & 0xff00))
2899 overflow = true;
2900 bfd_put_16 (abfd, (bfd_vma) insn, loc);
2901 break;
2902
2903 case R_SH_IND12W:
2904 insn = bfd_get_16 (abfd, loc);
2905 oinsn = insn;
2906 insn += add / 2;
2907 if ((oinsn & 0xf000) != (insn & 0xf000))
2908 overflow = true;
2909 bfd_put_16 (abfd, (bfd_vma) insn, loc);
2910 break;
2911
2912 case R_SH_DIR8WPL:
2913 /* This reloc ignores the least significant 3 bits of
2914 the program counter before adding in the offset.
2915 This means that if ADDR is at an even address, the
2916 swap will not affect the offset. If ADDR is an at an
2917 odd address, then the instruction will be crossing a
2918 four byte boundary, and must be adjusted. */
2919 if ((addr & 3) != 0)
2920 {
2921 insn = bfd_get_16 (abfd, loc);
2922 oinsn = insn;
2923 insn += add / 2;
2924 if ((oinsn & 0xff00) != (insn & 0xff00))
2925 overflow = true;
2926 bfd_put_16 (abfd, (bfd_vma) insn, loc);
2927 }
2928
2929 break;
2930 }
2931
2932 if (overflow)
2933 {
2934 ((*_bfd_error_handler)
2935 (_("%s: 0x%lx: fatal: reloc overflow while relaxing"),
2936 bfd_archive_filename (abfd), (unsigned long) irel->r_offset));
2937 bfd_set_error (bfd_error_bad_value);
2938 return false;
2939 }
2940 }
2941 }
2942
2943 return true;
2944 }
2945 \f
2946 #ifdef INCLUDE_SHMEDIA
2947
2948 /* The size in bytes of an entry in the procedure linkage table. */
2949
2950 #define PLT_ENTRY_SIZE 64
2951
2952 /* First entry in an absolute procedure linkage table look like this. */
2953
2954 static const bfd_byte elf_sh_plt0_entry_be[PLT_ENTRY_SIZE] =
2955 {
2956 0xcc, 0x00, 0x01, 0x10, /* movi .got.plt >> 16, r17 */
2957 0xc8, 0x00, 0x01, 0x10, /* shori .got.plt & 65535, r17 */
2958 0x89, 0x10, 0x09, 0x90, /* ld.l r17, 8, r25 */
2959 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
2960 0x89, 0x10, 0x05, 0x10, /* ld.l r17, 4, r17 */
2961 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
2962 0x6f, 0xf0, 0xff, 0xf0, /* nop */
2963 0x6f, 0xf0, 0xff, 0xf0, /* nop */
2964 0x6f, 0xf0, 0xff, 0xf0, /* nop */
2965 0x6f, 0xf0, 0xff, 0xf0, /* nop */
2966 0x6f, 0xf0, 0xff, 0xf0, /* nop */
2967 0x6f, 0xf0, 0xff, 0xf0, /* nop */
2968 0x6f, 0xf0, 0xff, 0xf0, /* nop */
2969 0x6f, 0xf0, 0xff, 0xf0, /* nop */
2970 0x6f, 0xf0, 0xff, 0xf0, /* nop */
2971 0x6f, 0xf0, 0xff, 0xf0, /* nop */
2972 };
2973
2974 static const bfd_byte elf_sh_plt0_entry_le[PLT_ENTRY_SIZE] =
2975 {
2976 0x10, 0x01, 0x00, 0xcc, /* movi .got.plt >> 16, r17 */
2977 0x10, 0x01, 0x00, 0xc8, /* shori .got.plt & 65535, r17 */
2978 0x90, 0x09, 0x10, 0x89, /* ld.l r17, 8, r25 */
2979 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
2980 0x10, 0x05, 0x10, 0x89, /* ld.l r17, 4, r17 */
2981 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
2982 0xf0, 0xff, 0xf0, 0x6f, /* nop */
2983 0xf0, 0xff, 0xf0, 0x6f, /* nop */
2984 0xf0, 0xff, 0xf0, 0x6f, /* nop */
2985 0xf0, 0xff, 0xf0, 0x6f, /* nop */
2986 0xf0, 0xff, 0xf0, 0x6f, /* nop */
2987 0xf0, 0xff, 0xf0, 0x6f, /* nop */
2988 0xf0, 0xff, 0xf0, 0x6f, /* nop */
2989 0xf0, 0xff, 0xf0, 0x6f, /* nop */
2990 0xf0, 0xff, 0xf0, 0x6f, /* nop */
2991 0xf0, 0xff, 0xf0, 0x6f, /* nop */
2992 };
2993
2994 /* Sebsequent entries in an absolute procedure linkage table look like
2995 this. */
2996
2997 static const bfd_byte elf_sh_plt_entry_be[PLT_ENTRY_SIZE] =
2998 {
2999 0xcc, 0x00, 0x01, 0x90, /* movi nameN-in-GOT >> 16, r25 */
3000 0xc8, 0x00, 0x01, 0x90, /* shori nameN-in-GOT & 65535, r25 */
3001 0x89, 0x90, 0x01, 0x90, /* ld.l r25, 0, r25 */
3002 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
3003 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
3004 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3005 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3006 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3007 0xcc, 0x00, 0x01, 0x90, /* movi .PLT0 >> 16, r25 */
3008 0xc8, 0x00, 0x01, 0x90, /* shori .PLT0 & 65535, r25 */
3009 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
3010 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */
3011 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */
3012 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
3013 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3014 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3015 };
3016
3017 static const bfd_byte elf_sh_plt_entry_le[PLT_ENTRY_SIZE] =
3018 {
3019 0x90, 0x01, 0x00, 0xcc, /* movi nameN-in-GOT >> 16, r25 */
3020 0x90, 0x01, 0x00, 0xc8, /* shori nameN-in-GOT & 65535, r25 */
3021 0x90, 0x01, 0x90, 0x89, /* ld.l r25, 0, r25 */
3022 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
3023 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
3024 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3025 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3026 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3027 0x90, 0x01, 0x00, 0xcc, /* movi .PLT0 >> 16, r25 */
3028 0x90, 0x01, 0x00, 0xc8, /* shori .PLT0 & 65535, r25 */
3029 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
3030 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */
3031 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */
3032 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
3033 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3034 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3035 };
3036
3037 /* Entries in a PIC procedure linkage table look like this. */
3038
3039 static const bfd_byte elf_sh_pic_plt_entry_be[PLT_ENTRY_SIZE] =
3040 {
3041 0xcc, 0x00, 0x01, 0x90, /* movi nameN@GOT >> 16, r25 */
3042 0xc8, 0x00, 0x01, 0x90, /* shori nameN@GOT & 65535, r25 */
3043 0x40, 0xc2, 0x65, 0x90, /* ldx.l r12, r25, r25 */
3044 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
3045 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
3046 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3047 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3048 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3049 0xce, 0x00, 0x01, 0x10, /* movi -GOT_BIAS, r17 */
3050 0x00, 0xca, 0x45, 0x10, /* sub.l r12, r17, r17 */
3051 0x89, 0x10, 0x09, 0x90, /* ld.l r17, 8, r25 */
3052 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
3053 0x89, 0x10, 0x05, 0x10, /* ld.l r17, 4, r17 */
3054 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */
3055 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */
3056 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
3057 };
3058
3059 static const bfd_byte elf_sh_pic_plt_entry_le[PLT_ENTRY_SIZE] =
3060 {
3061 0x90, 0x01, 0x00, 0xcc, /* movi nameN@GOT >> 16, r25 */
3062 0x90, 0x01, 0x00, 0xc8, /* shori nameN@GOT & 65535, r25 */
3063 0x90, 0x65, 0xc2, 0x40, /* ldx.l r12, r25, r25 */
3064 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
3065 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
3066 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3067 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3068 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3069 0x10, 0x01, 0x00, 0xce, /* movi -GOT_BIAS, r17 */
3070 0x10, 0x45, 0xca, 0x00, /* sub.l r12, r17, r17 */
3071 0x90, 0x09, 0x10, 0x89, /* ld.l r17, 8, r25 */
3072 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
3073 0x10, 0x05, 0x10, 0x89, /* ld.l r17, 4, r17 */
3074 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */
3075 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */
3076 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
3077 };
3078
3079 static const bfd_byte *elf_sh_plt0_entry;
3080 static const bfd_byte *elf_sh_plt_entry;
3081 static const bfd_byte *elf_sh_pic_plt_entry;
3082
3083 /* Return size of a PLT entry. */
3084 #define elf_sh_sizeof_plt(info) PLT_ENTRY_SIZE
3085
3086 /* Return offset of the PLT0 address in an absolute PLT entry. */
3087 #define elf_sh_plt_plt0_offset(info) 32
3088
3089 /* Return offset of the linker in PLT0 entry. */
3090 #define elf_sh_plt0_gotplt_offset(info) 0
3091
3092 /* Return offset of the trampoline in PLT entry */
3093 #define elf_sh_plt_temp_offset(info) 33 /* Add one because it's SHmedia. */
3094
3095 /* Return offset of the symbol in PLT entry. */
3096 #define elf_sh_plt_symbol_offset(info) 0
3097
3098 /* Return offset of the relocation in PLT entry. */
3099 #define elf_sh_plt_reloc_offset(info) (info->shared ? 52 : 44)
3100
3101 inline static void
3102 movi_shori_putval (output_bfd, value, addr)
3103 bfd *output_bfd;
3104 unsigned long value;
3105 char *addr;
3106 {
3107 bfd_put_32 (output_bfd,
3108 bfd_get_32 (output_bfd, addr)
3109 | ((value >> 6) & 0x3fffc00),
3110 addr);
3111 bfd_put_32 (output_bfd,
3112 bfd_get_32 (output_bfd, addr + 4)
3113 | ((value << 10) & 0x3fffc00),
3114 addr + 4);
3115 }
3116
3117 #else
3118 /* The size in bytes of an entry in the procedure linkage table. */
3119
3120 #define PLT_ENTRY_SIZE 28
3121
3122 /* First entry in an absolute procedure linkage table look like this. */
3123
3124 #if 1
3125 /* Note - this code has been "optimised" not to use r2. r2 is used by
3126 GCC to return the address of large strutcures, so it should not be
3127 corrupted here. This does mean however, that this PLT does not conform
3128 to the SH PIC ABI. That spec says that r0 contains the type of the PLT
3129 and r2 contains the GOT id. This version stores the GOT id in r0 and
3130 ignores the type. Loaders can easily detect this difference however,
3131 since the type will always be 0 or 8, and the GOT ids will always be
3132 greater than or equal to 12. */
3133 static const bfd_byte elf_sh_plt0_entry_be[PLT_ENTRY_SIZE] =
3134 {
3135 0xd0, 0x05, /* mov.l 2f,r0 */
3136 0x60, 0x02, /* mov.l @r0,r0 */
3137 0x2f, 0x06, /* mov.l r0,@-r15 */
3138 0xd0, 0x03, /* mov.l 1f,r0 */
3139 0x60, 0x02, /* mov.l @r0,r0 */
3140 0x40, 0x2b, /* jmp @r0 */
3141 0x60, 0xf6, /* mov.l @r15+,r0 */
3142 0x00, 0x09, /* nop */
3143 0x00, 0x09, /* nop */
3144 0x00, 0x09, /* nop */
3145 0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */
3146 0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */
3147 };
3148
3149 static const bfd_byte elf_sh_plt0_entry_le[PLT_ENTRY_SIZE] =
3150 {
3151 0x05, 0xd0, /* mov.l 2f,r0 */
3152 0x02, 0x60, /* mov.l @r0,r0 */
3153 0x06, 0x2f, /* mov.l r0,@-r15 */
3154 0x03, 0xd0, /* mov.l 1f,r0 */
3155 0x02, 0x60, /* mov.l @r0,r0 */
3156 0x2b, 0x40, /* jmp @r0 */
3157 0xf6, 0x60, /* mov.l @r15+,r0 */
3158 0x09, 0x00, /* nop */
3159 0x09, 0x00, /* nop */
3160 0x09, 0x00, /* nop */
3161 0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */
3162 0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */
3163 };
3164
3165 /* Sebsequent entries in an absolute procedure linkage table look like
3166 this. */
3167
3168 static const bfd_byte elf_sh_plt_entry_be[PLT_ENTRY_SIZE] =
3169 {
3170 0xd0, 0x04, /* mov.l 1f,r0 */
3171 0x60, 0x02, /* mov.l @r0,r0 */
3172 0xd1, 0x02, /* mov.l 0f,r1 */
3173 0x40, 0x2b, /* jmp @r0 */
3174 0x60, 0x13, /* mov r1,r0 */
3175 0xd1, 0x03, /* mov.l 2f,r1 */
3176 0x40, 0x2b, /* jmp @r0 */
3177 0x00, 0x09, /* nop */
3178 0, 0, 0, 0, /* 0: replaced with address of .PLT0. */
3179 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
3180 0, 0, 0, 0, /* 2: replaced with offset into relocation table. */
3181 };
3182
3183 static const bfd_byte elf_sh_plt_entry_le[PLT_ENTRY_SIZE] =
3184 {
3185 0x04, 0xd0, /* mov.l 1f,r0 */
3186 0x02, 0x60, /* mov.l @r0,r0 */
3187 0x02, 0xd1, /* mov.l 0f,r1 */
3188 0x2b, 0x40, /* jmp @r0 */
3189 0x13, 0x60, /* mov r1,r0 */
3190 0x03, 0xd1, /* mov.l 2f,r1 */
3191 0x2b, 0x40, /* jmp @r0 */
3192 0x09, 0x00, /* nop */
3193 0, 0, 0, 0, /* 0: replaced with address of .PLT0. */
3194 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
3195 0, 0, 0, 0, /* 2: replaced with offset into relocation table. */
3196 };
3197
3198 /* Entries in a PIC procedure linkage table look like this. */
3199
3200 static const bfd_byte elf_sh_pic_plt_entry_be[PLT_ENTRY_SIZE] =
3201 {
3202 0xd0, 0x04, /* mov.l 1f,r0 */
3203 0x00, 0xce, /* mov.l @(r0,r12),r0 */
3204 0x40, 0x2b, /* jmp @r0 */
3205 0x00, 0x09, /* nop */
3206 0x50, 0xc2, /* mov.l @(8,r12),r0 */
3207 0xd1, 0x03, /* mov.l 2f,r1 */
3208 0x40, 0x2b, /* jmp @r0 */
3209 0x50, 0xc1, /* mov.l @(4,r12),r0 */
3210 0x00, 0x09, /* nop */
3211 0x00, 0x09, /* nop */
3212 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
3213 0, 0, 0, 0 /* 2: replaced with offset into relocation table. */
3214 };
3215
3216 static const bfd_byte elf_sh_pic_plt_entry_le[PLT_ENTRY_SIZE] =
3217 {
3218 0x04, 0xd0, /* mov.l 1f,r0 */
3219 0xce, 0x00, /* mov.l @(r0,r12),r0 */
3220 0x2b, 0x40, /* jmp @r0 */
3221 0x09, 0x00, /* nop */
3222 0xc2, 0x50, /* mov.l @(8,r12),r0 */
3223 0x03, 0xd1, /* mov.l 2f,r1 */
3224 0x2b, 0x40, /* jmp @r0 */
3225 0xc1, 0x50, /* mov.l @(4,r12),r0 */
3226 0x09, 0x00, /* nop */
3227 0x09, 0x00, /* nop */
3228 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
3229 0, 0, 0, 0 /* 2: replaced with offset into relocation table. */
3230 };
3231
3232 #else /* These are the old style PLT entries. */
3233 static const bfd_byte elf_sh_plt0_entry_be[PLT_ENTRY_SIZE] =
3234 {
3235 0xd0, 0x04, /* mov.l 1f,r0 */
3236 0xd2, 0x05, /* mov.l 2f,r2 */
3237 0x60, 0x02, /* mov.l @r0,r0 */
3238 0x62, 0x22, /* mov.l @r2,r2 */
3239 0x40, 0x2b, /* jmp @r0 */
3240 0xe0, 0x00, /* mov #0,r0 */
3241 0x00, 0x09, /* nop */
3242 0x00, 0x09, /* nop */
3243 0x00, 0x09, /* nop */
3244 0x00, 0x09, /* nop */
3245 0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */
3246 0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */
3247 };
3248
3249 static const bfd_byte elf_sh_plt0_entry_le[PLT_ENTRY_SIZE] =
3250 {
3251 0x04, 0xd0, /* mov.l 1f,r0 */
3252 0x05, 0xd2, /* mov.l 2f,r2 */
3253 0x02, 0x60, /* mov.l @r0,r0 */
3254 0x22, 0x62, /* mov.l @r2,r2 */
3255 0x2b, 0x40, /* jmp @r0 */
3256 0x00, 0xe0, /* mov #0,r0 */
3257 0x09, 0x00, /* nop */
3258 0x09, 0x00, /* nop */
3259 0x09, 0x00, /* nop */
3260 0x09, 0x00, /* nop */
3261 0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */
3262 0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */
3263 };
3264
3265 /* Sebsequent entries in an absolute procedure linkage table look like
3266 this. */
3267
3268 static const bfd_byte elf_sh_plt_entry_be[PLT_ENTRY_SIZE] =
3269 {
3270 0xd0, 0x04, /* mov.l 1f,r0 */
3271 0x60, 0x02, /* mov.l @r0,r0 */
3272 0xd2, 0x02, /* mov.l 0f,r2 */
3273 0x40, 0x2b, /* jmp @r0 */
3274 0x60, 0x23, /* mov r2,r0 */
3275 0xd1, 0x03, /* mov.l 2f,r1 */
3276 0x40, 0x2b, /* jmp @r0 */
3277 0x00, 0x09, /* nop */
3278 0, 0, 0, 0, /* 0: replaced with address of .PLT0. */
3279 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
3280 0, 0, 0, 0, /* 2: replaced with offset into relocation table. */
3281 };
3282
3283 static const bfd_byte elf_sh_plt_entry_le[PLT_ENTRY_SIZE] =
3284 {
3285 0x04, 0xd0, /* mov.l 1f,r0 */
3286 0x02, 0x60, /* mov.l @r0,r0 */
3287 0x02, 0xd2, /* mov.l 0f,r2 */
3288 0x2b, 0x40, /* jmp @r0 */
3289 0x23, 0x60, /* mov r2,r0 */
3290 0x03, 0xd1, /* mov.l 2f,r1 */
3291 0x2b, 0x40, /* jmp @r0 */
3292 0x09, 0x00, /* nop */
3293 0, 0, 0, 0, /* 0: replaced with address of .PLT. */
3294 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
3295 0, 0, 0, 0, /* 2: replaced with offset into relocation table. */
3296 };
3297
3298 /* Entries in a PIC procedure linkage table look like this. */
3299
3300 static const bfd_byte elf_sh_pic_plt_entry_be[PLT_ENTRY_SIZE] =
3301 {
3302 0xd0, 0x04, /* mov.l 1f,r0 */
3303 0x00, 0xce, /* mov.l @(r0,r12),r0 */
3304 0x40, 0x2b, /* jmp @r0 */
3305 0x00, 0x09, /* nop */
3306 0x50, 0xc2, /* 0: mov.l @(8,r12),r0 */
3307 0x52, 0xc1, /* 1: mov.l @(4,r12),r2 */
3308 0xd1, 0x02, /* mov.l 2f,r1 */
3309 0x40, 0x2b, /* jmp @r0 */
3310 0xe0, 0x00, /* mov #0,r0 ! shows the type of PLT. */
3311 0x00, 0x09, /* nop */
3312 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
3313 0, 0, 0, 0 /* 2: replaced with offset into relocation table. */
3314 };
3315
3316 static const bfd_byte elf_sh_pic_plt_entry_le[PLT_ENTRY_SIZE] =
3317 {
3318 0x04, 0xd0, /* mov.l 1f,r0 */
3319 0xce, 0x00, /* mov.l @(r0,r12),r0 */
3320 0x2b, 0x40, /* jmp @r0 */
3321 0x09, 0x00, /* nop */
3322 0xc2, 0x50, /* 0: mov.l @(8,r12),r0 */
3323 0xc1, 0x52, /* 1: mov.l @(4,r12),r2 */
3324 0x02, 0xd1, /* mov.l 2f,r1 */
3325 0x2b, 0x40, /* jmp @r0 */
3326 0x00, 0xe0, /* mov #0,r0 ! shows the type of PLT. */
3327 0x09, 0x00, /* nop */
3328 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
3329 0, 0, 0, 0 /* 2: replaced with offset into relocation table. */
3330 };
3331 #endif /* old style PLT entries. */
3332
3333 static const bfd_byte *elf_sh_plt0_entry;
3334 static const bfd_byte *elf_sh_plt_entry;
3335 static const bfd_byte *elf_sh_pic_plt_entry;
3336
3337 /* Return size of a PLT entry. */
3338 #define elf_sh_sizeof_plt(info) PLT_ENTRY_SIZE
3339
3340 /* Return offset of the PLT0 address in an absolute PLT entry. */
3341 #define elf_sh_plt_plt0_offset(info) 16
3342
3343 /* Return offset of the linker in PLT0 entry. */
3344 #define elf_sh_plt0_linker_offset(info) 20
3345
3346 /* Return offset of the GOT id in PLT0 entry. */
3347 #define elf_sh_plt0_gotid_offset(info) 24
3348
3349 /* Return offset of the tempoline in PLT entry */
3350 #define elf_sh_plt_temp_offset(info) 8
3351
3352 /* Return offset of the symbol in PLT entry. */
3353 #define elf_sh_plt_symbol_offset(info) 20
3354
3355 /* Return offset of the relocation in PLT entry. */
3356 #define elf_sh_plt_reloc_offset(info) 24
3357 #endif
3358
3359 /* The sh linker needs to keep track of the number of relocs that it
3360 decides to copy as dynamic relocs in check_relocs for each symbol.
3361 This is so that it can later discard them if they are found to be
3362 unnecessary. We store the information in a field extending the
3363 regular ELF linker hash table. */
3364
3365 struct elf_sh_dyn_relocs
3366 {
3367 struct elf_sh_dyn_relocs *next;
3368
3369 /* The input section of the reloc. */
3370 asection *sec;
3371
3372 /* Total number of relocs copied for the input section. */
3373 bfd_size_type count;
3374
3375 /* Number of pc-relative relocs copied for the input section. */
3376 bfd_size_type pc_count;
3377 };
3378
3379 /* sh ELF linker hash entry. */
3380
3381 struct elf_sh_link_hash_entry
3382 {
3383 struct elf_link_hash_entry root;
3384
3385 #ifdef INCLUDE_SHMEDIA
3386 bfd_vma datalabel_got_offset;
3387 #endif
3388
3389 /* Track dynamic relocs copied for this symbol. */
3390 struct elf_sh_dyn_relocs *dyn_relocs;
3391 };
3392
3393 /* sh ELF linker hash table. */
3394
3395 struct elf_sh_link_hash_table
3396 {
3397 struct elf_link_hash_table root;
3398
3399 /* Short-cuts to get to dynamic linker sections. */
3400 asection *sgot;
3401 asection *sgotplt;
3402 asection *srelgot;
3403 asection *splt;
3404 asection *srelplt;
3405 asection *sdynbss;
3406 asection *srelbss;
3407
3408 /* Small local sym to section mapping cache. */
3409 struct sym_sec_cache sym_sec;
3410 };
3411
3412 /* Traverse an sh ELF linker hash table. */
3413
3414 #define sh_elf_link_hash_traverse(table, func, info) \
3415 (elf_link_hash_traverse \
3416 (&(table)->root, \
3417 (boolean (*) PARAMS ((struct elf_link_hash_entry *, PTR))) (func), \
3418 (info)))
3419
3420 /* Get the sh ELF linker hash table from a link_info structure. */
3421
3422 #define sh_elf_hash_table(p) \
3423 ((struct elf_sh_link_hash_table *) ((p)->hash))
3424
3425 /* Create an entry in an sh ELF linker hash table. */
3426
3427 static struct bfd_hash_entry *
3428 sh_elf_link_hash_newfunc (entry, table, string)
3429 struct bfd_hash_entry *entry;
3430 struct bfd_hash_table *table;
3431 const char *string;
3432 {
3433 struct elf_sh_link_hash_entry *ret =
3434 (struct elf_sh_link_hash_entry *) entry;
3435
3436 /* Allocate the structure if it has not already been allocated by a
3437 subclass. */
3438 if (ret == (struct elf_sh_link_hash_entry *) NULL)
3439 ret = ((struct elf_sh_link_hash_entry *)
3440 bfd_hash_allocate (table,
3441 sizeof (struct elf_sh_link_hash_entry)));
3442 if (ret == (struct elf_sh_link_hash_entry *) NULL)
3443 return (struct bfd_hash_entry *) ret;
3444
3445 /* Call the allocation method of the superclass. */
3446 ret = ((struct elf_sh_link_hash_entry *)
3447 _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
3448 table, string));
3449 if (ret != (struct elf_sh_link_hash_entry *) NULL)
3450 {
3451 struct elf_sh_link_hash_entry *eh;
3452
3453 eh = (struct elf_sh_link_hash_entry *) ret;
3454 eh->dyn_relocs = NULL;
3455 #ifdef INCLUDE_SHMEDIA
3456 ret->datalabel_got_offset = (bfd_vma) -1;
3457 #endif
3458 }
3459
3460 return (struct bfd_hash_entry *) ret;
3461 }
3462
3463 /* Create an sh ELF linker hash table. */
3464
3465 static struct bfd_link_hash_table *
3466 sh_elf_link_hash_table_create (abfd)
3467 bfd *abfd;
3468 {
3469 struct elf_sh_link_hash_table *ret;
3470 bfd_size_type amt = sizeof (struct elf_sh_link_hash_table);
3471
3472 ret = (struct elf_sh_link_hash_table *) bfd_malloc (amt);
3473 if (ret == (struct elf_sh_link_hash_table *) NULL)
3474 return NULL;
3475
3476 if (! _bfd_elf_link_hash_table_init (&ret->root, abfd,
3477 sh_elf_link_hash_newfunc))
3478 {
3479 free (ret);
3480 return NULL;
3481 }
3482
3483 ret->sgot = NULL;
3484 ret->sgotplt = NULL;
3485 ret->srelgot = NULL;
3486 ret->splt = NULL;
3487 ret->srelplt = NULL;
3488 ret->sdynbss = NULL;
3489 ret->srelbss = NULL;
3490 ret->sym_sec.abfd = NULL;
3491
3492 return &ret->root.root;
3493 }
3494
3495 /* Create .got, .gotplt, and .rela.got sections in DYNOBJ, and set up
3496 shortcuts to them in our hash table. */
3497
3498 static boolean
3499 create_got_section (dynobj, info)
3500 bfd *dynobj;
3501 struct bfd_link_info *info;
3502 {
3503 struct elf_sh_link_hash_table *htab;
3504
3505 if (! _bfd_elf_create_got_section (dynobj, info))
3506 return false;
3507
3508 htab = sh_elf_hash_table (info);
3509 htab->sgot = bfd_get_section_by_name (dynobj, ".got");
3510 htab->sgotplt = bfd_get_section_by_name (dynobj, ".got.plt");
3511 if (! htab->sgot || ! htab->sgotplt)
3512 abort ();
3513
3514 htab->srelgot = bfd_make_section (dynobj, ".rela.got");
3515 if (htab->srelgot == NULL
3516 || ! bfd_set_section_flags (dynobj, htab->srelgot,
3517 (SEC_ALLOC
3518 | SEC_LOAD
3519 | SEC_HAS_CONTENTS
3520 | SEC_IN_MEMORY
3521 | SEC_LINKER_CREATED
3522 | SEC_READONLY))
3523 || ! bfd_set_section_alignment (dynobj, htab->srelgot, 2))
3524 return false;
3525 return true;
3526 }
3527
3528 /* Create dynamic sections when linking against a dynamic object. */
3529
3530 static boolean
3531 sh_elf_create_dynamic_sections (abfd, info)
3532 bfd *abfd;
3533 struct bfd_link_info *info;
3534 {
3535 struct elf_sh_link_hash_table *htab;
3536 flagword flags, pltflags;
3537 register asection *s;
3538 struct elf_backend_data *bed = get_elf_backend_data (abfd);
3539 int ptralign = 0;
3540
3541 switch (bed->s->arch_size)
3542 {
3543 case 32:
3544 ptralign = 2;
3545 break;
3546
3547 case 64:
3548 ptralign = 3;
3549 break;
3550
3551 default:
3552 bfd_set_error (bfd_error_bad_value);
3553 return false;
3554 }
3555
3556 htab = sh_elf_hash_table (info);
3557
3558 /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and
3559 .rel[a].bss sections. */
3560
3561 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
3562 | SEC_LINKER_CREATED);
3563
3564 pltflags = flags;
3565 pltflags |= SEC_CODE;
3566 if (bed->plt_not_loaded)
3567 pltflags &= ~ (SEC_LOAD | SEC_HAS_CONTENTS);
3568 if (bed->plt_readonly)
3569 pltflags |= SEC_READONLY;
3570
3571 s = bfd_make_section (abfd, ".plt");
3572 htab->splt = s;
3573 if (s == NULL
3574 || ! bfd_set_section_flags (abfd, s, pltflags)
3575 || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
3576 return false;
3577
3578 if (bed->want_plt_sym)
3579 {
3580 /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
3581 .plt section. */
3582 struct elf_link_hash_entry *h = NULL;
3583 if (! (_bfd_generic_link_add_one_symbol
3584 (info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s,
3585 (bfd_vma) 0, (const char *) NULL, false,
3586 get_elf_backend_data (abfd)->collect,
3587 (struct bfd_link_hash_entry **) &h)))
3588 return false;
3589 h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
3590 h->type = STT_OBJECT;
3591
3592 if (info->shared
3593 && ! _bfd_elf_link_record_dynamic_symbol (info, h))
3594 return false;
3595 }
3596
3597 s = bfd_make_section (abfd,
3598 bed->default_use_rela_p ? ".rela.plt" : ".rel.plt");
3599 htab->srelplt = s;
3600 if (s == NULL
3601 || ! bfd_set_section_flags (abfd, s, flags | SEC_READONLY)
3602 || ! bfd_set_section_alignment (abfd, s, ptralign))
3603 return false;
3604
3605 if (! create_got_section (abfd, info))
3606 return false;
3607
3608 {
3609 const char *secname;
3610 char *relname;
3611 flagword secflags;
3612 asection *sec;
3613
3614 for (sec = abfd->sections; sec; sec = sec->next)
3615 {
3616 secflags = bfd_get_section_flags (abfd, sec);
3617 if ((secflags & (SEC_DATA | SEC_LINKER_CREATED))
3618 || ((secflags & SEC_HAS_CONTENTS) != SEC_HAS_CONTENTS))
3619 continue;
3620 secname = bfd_get_section_name (abfd, sec);
3621 relname = (char *) bfd_malloc ((bfd_size_type) strlen (secname) + 6);
3622 strcpy (relname, ".rela");
3623 strcat (relname, secname);
3624 s = bfd_make_section (abfd, relname);
3625 if (s == NULL
3626 || ! bfd_set_section_flags (abfd, s, flags | SEC_READONLY)
3627 || ! bfd_set_section_alignment (abfd, s, ptralign))
3628 return false;
3629 }
3630 }
3631
3632 if (bed->want_dynbss)
3633 {
3634 /* The .dynbss section is a place to put symbols which are defined
3635 by dynamic objects, are referenced by regular objects, and are
3636 not functions. We must allocate space for them in the process
3637 image and use a R_*_COPY reloc to tell the dynamic linker to
3638 initialize them at run time. The linker script puts the .dynbss
3639 section into the .bss section of the final image. */
3640 s = bfd_make_section (abfd, ".dynbss");
3641 htab->sdynbss = s;
3642 if (s == NULL
3643 || ! bfd_set_section_flags (abfd, s, SEC_ALLOC))
3644 return false;
3645
3646 /* The .rel[a].bss section holds copy relocs. This section is not
3647 normally needed. We need to create it here, though, so that the
3648 linker will map it to an output section. We can't just create it
3649 only if we need it, because we will not know whether we need it
3650 until we have seen all the input files, and the first time the
3651 main linker code calls BFD after examining all the input files
3652 (size_dynamic_sections) the input sections have already been
3653 mapped to the output sections. If the section turns out not to
3654 be needed, we can discard it later. We will never need this
3655 section when generating a shared object, since they do not use
3656 copy relocs. */
3657 if (! info->shared)
3658 {
3659 s = bfd_make_section (abfd,
3660 (bed->default_use_rela_p
3661 ? ".rela.bss" : ".rel.bss"));
3662 htab->srelbss = s;
3663 if (s == NULL
3664 || ! bfd_set_section_flags (abfd, s, flags | SEC_READONLY)
3665 || ! bfd_set_section_alignment (abfd, s, ptralign))
3666 return false;
3667 }
3668 }
3669
3670 return true;
3671 }
3672 \f
3673 /* Adjust a symbol defined by a dynamic object and referenced by a
3674 regular object. The current definition is in some section of the
3675 dynamic object, but we're not including those sections. We have to
3676 change the definition to something the rest of the link can
3677 understand. */
3678
3679 static boolean
3680 sh_elf_adjust_dynamic_symbol (info, h)
3681 struct bfd_link_info *info;
3682 struct elf_link_hash_entry *h;
3683 {
3684 struct elf_sh_link_hash_table *htab;
3685 struct elf_sh_link_hash_entry *eh;
3686 struct elf_sh_dyn_relocs *p;
3687 bfd *dynobj;
3688 asection *s;
3689 unsigned int power_of_two;
3690
3691 dynobj = elf_hash_table (info)->dynobj;
3692
3693 /* Make sure we know what is going on here. */
3694 BFD_ASSERT (dynobj != NULL
3695 && ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT)
3696 || h->weakdef != NULL
3697 || ((h->elf_link_hash_flags
3698 & ELF_LINK_HASH_DEF_DYNAMIC) != 0
3699 && (h->elf_link_hash_flags
3700 & ELF_LINK_HASH_REF_REGULAR) != 0
3701 && (h->elf_link_hash_flags
3702 & ELF_LINK_HASH_DEF_REGULAR) == 0)));
3703
3704 /* If this is a function, put it in the procedure linkage table. We
3705 will fill in the contents of the procedure linkage table later,
3706 when we know the address of the .got section. */
3707 if (h->type == STT_FUNC
3708 || (h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0)
3709 {
3710 if (h->plt.refcount <= 0
3711 || (! info->shared
3712 && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) == 0
3713 && (h->elf_link_hash_flags & ELF_LINK_HASH_REF_DYNAMIC) == 0
3714 && h->root.type != bfd_link_hash_undefweak
3715 && h->root.type != bfd_link_hash_undefined))
3716 {
3717 /* This case can occur if we saw a PLT reloc in an input
3718 file, but the symbol was never referred to by a dynamic
3719 object. In such a case, we don't actually need to build
3720 a procedure linkage table, and we can just do a REL32
3721 reloc instead. */
3722 h->plt.offset = (bfd_vma) -1;
3723 h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
3724 }
3725
3726 return true;
3727 }
3728 else
3729 h->plt.offset = (bfd_vma) -1;
3730
3731 /* If this is a weak symbol, and there is a real definition, the
3732 processor independent code will have arranged for us to see the
3733 real definition first, and we can just use the same value. */
3734 if (h->weakdef != NULL)
3735 {
3736 BFD_ASSERT (h->weakdef->root.type == bfd_link_hash_defined
3737 || h->weakdef->root.type == bfd_link_hash_defweak);
3738 h->root.u.def.section = h->weakdef->root.u.def.section;
3739 h->root.u.def.value = h->weakdef->root.u.def.value;
3740 return true;
3741 }
3742
3743 /* This is a reference to a symbol defined by a dynamic object which
3744 is not a function. */
3745
3746 /* If we are creating a shared library, we must presume that the
3747 only references to the symbol are via the global offset table.
3748 For such cases we need not do anything here; the relocations will
3749 be handled correctly by relocate_section. */
3750 if (info->shared)
3751 return true;
3752
3753 /* If there are no references to this symbol that do not use the
3754 GOT, we don't need to generate a copy reloc. */
3755 if ((h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0)
3756 return true;
3757
3758 /* If -z nocopyreloc was given, we won't generate them either. */
3759 if (info->nocopyreloc)
3760 {
3761 h->elf_link_hash_flags &= ~ELF_LINK_NON_GOT_REF;
3762 return true;
3763 }
3764
3765 eh = (struct elf_sh_link_hash_entry *) h;
3766 for (p = eh->dyn_relocs; p != NULL; p = p->next)
3767 {
3768 s = p->sec->output_section;
3769 if (s != NULL && (s->flags & (SEC_READONLY | SEC_HAS_CONTENTS)) != 0)
3770 break;
3771 }
3772
3773 /* If we didn't find any dynamic relocs in sections which needs the
3774 copy reloc, then we'll be keeping the dynamic relocs and avoiding
3775 the copy reloc. */
3776 if (p == NULL)
3777 {
3778 h->elf_link_hash_flags &= ~ELF_LINK_NON_GOT_REF;
3779 return true;
3780 }
3781
3782 /* We must allocate the symbol in our .dynbss section, which will
3783 become part of the .bss section of the executable. There will be
3784 an entry for this symbol in the .dynsym section. The dynamic
3785 object will contain position independent code, so all references
3786 from the dynamic object to this symbol will go through the global
3787 offset table. The dynamic linker will use the .dynsym entry to
3788 determine the address it must put in the global offset table, so
3789 both the dynamic object and the regular object will refer to the
3790 same memory location for the variable. */
3791
3792 htab = sh_elf_hash_table (info);
3793 s = htab->sdynbss;
3794 BFD_ASSERT (s != NULL);
3795
3796 /* We must generate a R_SH_COPY reloc to tell the dynamic linker to
3797 copy the initial value out of the dynamic object and into the
3798 runtime process image. We need to remember the offset into the
3799 .rela.bss section we are going to use. */
3800 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
3801 {
3802 asection *srel;
3803
3804 srel = htab->srelbss;
3805 BFD_ASSERT (srel != NULL);
3806 srel->_raw_size += sizeof (Elf32_External_Rela);
3807 h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_COPY;
3808 }
3809
3810 /* We need to figure out the alignment required for this symbol. I
3811 have no idea how ELF linkers handle this. */
3812 power_of_two = bfd_log2 (h->size);
3813 if (power_of_two > 3)
3814 power_of_two = 3;
3815
3816 /* Apply the required alignment. */
3817 s->_raw_size = BFD_ALIGN (s->_raw_size, (bfd_size_type) (1 << power_of_two));
3818 if (power_of_two > bfd_get_section_alignment (dynobj, s))
3819 {
3820 if (! bfd_set_section_alignment (dynobj, s, power_of_two))
3821 return false;
3822 }
3823
3824 /* Define the symbol as being at this point in the section. */
3825 h->root.u.def.section = s;
3826 h->root.u.def.value = s->_raw_size;
3827
3828 /* Increment the section size to make room for the symbol. */
3829 s->_raw_size += h->size;
3830
3831 return true;
3832 }
3833
3834 /* This is the condition under which sh_elf_finish_dynamic_symbol
3835 will be called from elflink.h. If elflink.h doesn't call our
3836 finish_dynamic_symbol routine, we'll need to do something about
3837 initializing any .plt and .got entries in sh_elf_relocate_section. */
3838 #define WILL_CALL_FINISH_DYNAMIC_SYMBOL(DYN, INFO, H) \
3839 ((DYN) \
3840 && ((INFO)->shared \
3841 || ((H)->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0) \
3842 && ((H)->dynindx != -1 \
3843 || ((H)->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0))
3844
3845 /* Allocate space in .plt, .got and associated reloc sections for
3846 dynamic relocs. */
3847
3848 static boolean
3849 allocate_dynrelocs (h, inf)
3850 struct elf_link_hash_entry *h;
3851 PTR inf;
3852 {
3853 struct bfd_link_info *info;
3854 struct elf_sh_link_hash_table *htab;
3855 struct elf_sh_link_hash_entry *eh;
3856 struct elf_sh_dyn_relocs *p;
3857
3858 if (h->root.type == bfd_link_hash_indirect)
3859 return true;
3860
3861 if (h->root.type == bfd_link_hash_warning)
3862 /* When warning symbols are created, they **replace** the "real"
3863 entry in the hash table, thus we never get to see the real
3864 symbol in a hash traversal. So look at it now. */
3865 h = (struct elf_link_hash_entry *) h->root.u.i.link;
3866
3867 info = (struct bfd_link_info *) inf;
3868 htab = sh_elf_hash_table (info);
3869
3870 if (htab->root.dynamic_sections_created
3871 && h->plt.refcount > 0)
3872 {
3873 /* Make sure this symbol is output as a dynamic symbol.
3874 Undefined weak syms won't yet be marked as dynamic. */
3875 if (h->dynindx == -1
3876 && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
3877 {
3878 if (! bfd_elf32_link_record_dynamic_symbol (info, h))
3879 return false;
3880 }
3881
3882 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, info, h))
3883 {
3884 asection *s = htab->splt;
3885
3886 /* If this is the first .plt entry, make room for the special
3887 first entry. */
3888 if (s->_raw_size == 0)
3889 s->_raw_size += PLT_ENTRY_SIZE;
3890
3891 h->plt.offset = s->_raw_size;
3892
3893 /* If this symbol is not defined in a regular file, and we are
3894 not generating a shared library, then set the symbol to this
3895 location in the .plt. This is required to make function
3896 pointers compare as equal between the normal executable and
3897 the shared library. */
3898 if (! info->shared
3899 && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
3900 {
3901 h->root.u.def.section = s;
3902 h->root.u.def.value = h->plt.offset;
3903 }
3904
3905 /* Make room for this entry. */
3906 s->_raw_size += PLT_ENTRY_SIZE;
3907
3908 /* We also need to make an entry in the .got.plt section, which
3909 will be placed in the .got section by the linker script. */
3910 htab->sgotplt->_raw_size += 4;
3911
3912 /* We also need to make an entry in the .rel.plt section. */
3913 htab->srelplt->_raw_size += sizeof (Elf32_External_Rela);
3914 }
3915 else
3916 {
3917 h->plt.offset = (bfd_vma) -1;
3918 h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
3919 }
3920 }
3921 else
3922 {
3923 h->plt.offset = (bfd_vma) -1;
3924 h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
3925 }
3926
3927 if (h->got.refcount > 0)
3928 {
3929 asection *s;
3930 boolean dyn;
3931
3932 /* Make sure this symbol is output as a dynamic symbol.
3933 Undefined weak syms won't yet be marked as dynamic. */
3934 if (h->dynindx == -1
3935 && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
3936 {
3937 if (! bfd_elf32_link_record_dynamic_symbol (info, h))
3938 return false;
3939 }
3940
3941 s = htab->sgot;
3942 #ifdef INCLUDE_SHMEDIA
3943 if (h->type == STT_DATALABEL)
3944 {
3945 struct elf_sh_link_hash_entry *hsh;
3946
3947 h = (struct elf_link_hash_entry *) h->root.u.i.link;
3948 hsh = (struct elf_sh_link_hash_entry *)h;
3949 hsh->datalabel_got_offset = s->_raw_size;
3950 }
3951 else
3952 h->got.offset = s->_raw_size;
3953 #else
3954 h->got.offset = s->_raw_size;
3955 #endif
3956 s->_raw_size += 4;
3957 dyn = htab->root.dynamic_sections_created;
3958 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info, h))
3959 htab->srelgot->_raw_size += sizeof (Elf32_External_Rela);
3960 }
3961 else
3962 h->got.offset = (bfd_vma) -1;
3963
3964 eh = (struct elf_sh_link_hash_entry *) h;
3965 if (eh->dyn_relocs == NULL)
3966 return true;
3967
3968 /* In the shared -Bsymbolic case, discard space allocated for
3969 dynamic pc-relative relocs against symbols which turn out to be
3970 defined in regular objects. For the normal shared case, discard
3971 space for pc-relative relocs that have become local due to symbol
3972 visibility changes. */
3973
3974 if (info->shared)
3975 {
3976 if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) != 0
3977 && ((h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0
3978 || info->symbolic))
3979 {
3980 struct elf_sh_dyn_relocs **pp;
3981
3982 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
3983 {
3984 p->count -= p->pc_count;
3985 p->pc_count = 0;
3986 if (p->count == 0)
3987 *pp = p->next;
3988 else
3989 pp = &p->next;
3990 }
3991 }
3992 }
3993 else
3994 {
3995 /* For the non-shared case, discard space for relocs against
3996 symbols which turn out to need copy relocs or are not
3997 dynamic. */
3998
3999 if ((h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0
4000 && (((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0
4001 && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
4002 || (htab->root.dynamic_sections_created
4003 && (h->root.type == bfd_link_hash_undefweak
4004 || h->root.type == bfd_link_hash_undefined))))
4005 {
4006 /* Make sure this symbol is output as a dynamic symbol.
4007 Undefined weak syms won't yet be marked as dynamic. */
4008 if (h->dynindx == -1
4009 && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
4010 {
4011 if (! bfd_elf32_link_record_dynamic_symbol (info, h))
4012 return false;
4013 }
4014
4015 /* If that succeeded, we know we'll be keeping all the
4016 relocs. */
4017 if (h->dynindx != -1)
4018 goto keep;
4019 }
4020
4021 eh->dyn_relocs = NULL;
4022
4023 keep: ;
4024 }
4025
4026 /* Finally, allocate space. */
4027 for (p = eh->dyn_relocs; p != NULL; p = p->next)
4028 {
4029 asection *sreloc = elf_section_data (p->sec)->sreloc;
4030 sreloc->_raw_size += p->count * sizeof (Elf32_External_Rela);
4031 }
4032
4033 return true;
4034 }
4035
4036 /* Find any dynamic relocs that apply to read-only sections. */
4037
4038 static boolean
4039 readonly_dynrelocs (h, inf)
4040 struct elf_link_hash_entry *h;
4041 PTR inf;
4042 {
4043 struct elf_sh_link_hash_entry *eh;
4044 struct elf_sh_dyn_relocs *p;
4045
4046 if (h->root.type == bfd_link_hash_warning)
4047 h = (struct elf_link_hash_entry *) h->root.u.i.link;
4048
4049 eh = (struct elf_sh_link_hash_entry *) h;
4050 for (p = eh->dyn_relocs; p != NULL; p = p->next)
4051 {
4052 asection *s = p->sec->output_section;
4053
4054 if (s != NULL && (s->flags & SEC_READONLY) != 0)
4055 {
4056 struct bfd_link_info *info = (struct bfd_link_info *) inf;
4057
4058 info->flags |= DF_TEXTREL;
4059
4060 /* Not an error, just cut short the traversal. */
4061 return false;
4062 }
4063 }
4064 return true;
4065 }
4066
4067 /* Set the sizes of the dynamic sections. */
4068
4069 static boolean
4070 sh_elf_size_dynamic_sections (output_bfd, info)
4071 bfd *output_bfd ATTRIBUTE_UNUSED;
4072 struct bfd_link_info *info;
4073 {
4074 struct elf_sh_link_hash_table *htab;
4075 bfd *dynobj;
4076 asection *s;
4077 boolean relocs;
4078 bfd *ibfd;
4079
4080 htab = sh_elf_hash_table (info);
4081 dynobj = htab->root.dynobj;
4082 BFD_ASSERT (dynobj != NULL);
4083
4084 if (htab->root.dynamic_sections_created)
4085 {
4086 /* Set the contents of the .interp section to the interpreter. */
4087 if (! info->shared)
4088 {
4089 s = bfd_get_section_by_name (dynobj, ".interp");
4090 BFD_ASSERT (s != NULL);
4091 s->_raw_size = sizeof ELF_DYNAMIC_INTERPRETER;
4092 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
4093 }
4094 }
4095
4096 /* Set up .got offsets for local syms, and space for local dynamic
4097 relocs. */
4098 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
4099 {
4100 bfd_signed_vma *local_got;
4101 bfd_signed_vma *end_local_got;
4102 bfd_size_type locsymcount;
4103 Elf_Internal_Shdr *symtab_hdr;
4104 asection *srel;
4105
4106 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour)
4107 continue;
4108
4109 for (s = ibfd->sections; s != NULL; s = s->next)
4110 {
4111 struct elf_sh_dyn_relocs *p;
4112
4113 for (p = ((struct elf_sh_dyn_relocs *)
4114 elf_section_data (s)->local_dynrel);
4115 p != NULL;
4116 p = p->next)
4117 {
4118 if (! bfd_is_abs_section (p->sec)
4119 && bfd_is_abs_section (p->sec->output_section))
4120 {
4121 /* Input section has been discarded, either because
4122 it is a copy of a linkonce section or due to
4123 linker script /DISCARD/, so we'll be discarding
4124 the relocs too. */
4125 }
4126 else if (p->count != 0)
4127 {
4128 srel = elf_section_data (p->sec)->sreloc;
4129 srel->_raw_size += p->count * sizeof (Elf32_External_Rela);
4130 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
4131 info->flags |= DF_TEXTREL;
4132 }
4133 }
4134 }
4135
4136 local_got = elf_local_got_refcounts (ibfd);
4137 if (!local_got)
4138 continue;
4139
4140 symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
4141 locsymcount = symtab_hdr->sh_info;
4142 #ifdef INCLUDE_SHMEDIA
4143 /* Count datalabel local GOT. */
4144 locsymcount *= 2;
4145 #endif
4146 end_local_got = local_got + locsymcount;
4147 s = htab->sgot;
4148 srel = htab->srelgot;
4149 for (; local_got < end_local_got; ++local_got)
4150 {
4151 if (*local_got > 0)
4152 {
4153 *local_got = s->_raw_size;
4154 s->_raw_size += 4;
4155 if (info->shared)
4156 srel->_raw_size += sizeof (Elf32_External_Rela);
4157 }
4158 else
4159 *local_got = (bfd_vma) -1;
4160 }
4161 }
4162
4163 /* Allocate global sym .plt and .got entries, and space for global
4164 sym dynamic relocs. */
4165 elf_link_hash_traverse (&htab->root, allocate_dynrelocs, (PTR) info);
4166
4167 /* We now have determined the sizes of the various dynamic sections.
4168 Allocate memory for them. */
4169 relocs = false;
4170 for (s = dynobj->sections; s != NULL; s = s->next)
4171 {
4172 if ((s->flags & SEC_LINKER_CREATED) == 0)
4173 continue;
4174
4175 if (s == htab->splt
4176 || s == htab->sgot
4177 || s == htab->sgotplt)
4178 {
4179 /* Strip this section if we don't need it; see the
4180 comment below. */
4181 }
4182 else if (strncmp (bfd_get_section_name (dynobj, s), ".rela", 5) == 0)
4183 {
4184 if (s->_raw_size != 0 && s != htab->srelplt)
4185 relocs = true;
4186
4187 /* We use the reloc_count field as a counter if we need
4188 to copy relocs into the output file. */
4189 s->reloc_count = 0;
4190 }
4191 else
4192 {
4193 /* It's not one of our sections, so don't allocate space. */
4194 continue;
4195 }
4196
4197 if (s->_raw_size == 0)
4198 {
4199 /* If we don't need this section, strip it from the
4200 output file. This is mostly to handle .rela.bss and
4201 .rela.plt. We must create both sections in
4202 create_dynamic_sections, because they must be created
4203 before the linker maps input sections to output
4204 sections. The linker does that before
4205 adjust_dynamic_symbol is called, and it is that
4206 function which decides whether anything needs to go
4207 into these sections. */
4208
4209 _bfd_strip_section_from_output (info, s);
4210 continue;
4211 }
4212
4213 /* Allocate memory for the section contents. We use bfd_zalloc
4214 here in case unused entries are not reclaimed before the
4215 section's contents are written out. This should not happen,
4216 but this way if it does, we get a R_SH_NONE reloc instead
4217 of garbage. */
4218 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->_raw_size);
4219 if (s->contents == NULL)
4220 return false;
4221 }
4222
4223 if (htab->root.dynamic_sections_created)
4224 {
4225 /* Add some entries to the .dynamic section. We fill in the
4226 values later, in sh_elf_finish_dynamic_sections, but we
4227 must add the entries now so that we get the correct size for
4228 the .dynamic section. The DT_DEBUG entry is filled in by the
4229 dynamic linker and used by the debugger. */
4230 #define add_dynamic_entry(TAG, VAL) \
4231 bfd_elf32_add_dynamic_entry (info, (bfd_vma) (TAG), (bfd_vma) (VAL))
4232
4233 if (! info->shared)
4234 {
4235 if (! add_dynamic_entry (DT_DEBUG, 0))
4236 return false;
4237 }
4238
4239 if (htab->splt->_raw_size != 0)
4240 {
4241 if (! add_dynamic_entry (DT_PLTGOT, 0)
4242 || ! add_dynamic_entry (DT_PLTRELSZ, 0)
4243 || ! add_dynamic_entry (DT_PLTREL, DT_RELA)
4244 || ! add_dynamic_entry (DT_JMPREL, 0))
4245 return false;
4246 }
4247
4248 if (relocs)
4249 {
4250 if (! add_dynamic_entry (DT_RELA, 0)
4251 || ! add_dynamic_entry (DT_RELASZ, 0)
4252 || ! add_dynamic_entry (DT_RELAENT,
4253 sizeof (Elf32_External_Rela)))
4254 return false;
4255
4256 /* If any dynamic relocs apply to a read-only section,
4257 then we need a DT_TEXTREL entry. */
4258 if ((info->flags & DF_TEXTREL) == 0)
4259 elf_link_hash_traverse (&htab->root, readonly_dynrelocs,
4260 (PTR) info);
4261
4262 if ((info->flags & DF_TEXTREL) != 0)
4263 {
4264 if (! add_dynamic_entry (DT_TEXTREL, 0))
4265 return false;
4266 }
4267 }
4268 }
4269 #undef add_dynamic_entry
4270
4271 return true;
4272 }
4273 \f
4274 /* Relocate an SH ELF section. */
4275
4276 static boolean
4277 sh_elf_relocate_section (output_bfd, info, input_bfd, input_section,
4278 contents, relocs, local_syms, local_sections)
4279 bfd *output_bfd;
4280 struct bfd_link_info *info;
4281 bfd *input_bfd;
4282 asection *input_section;
4283 bfd_byte *contents;
4284 Elf_Internal_Rela *relocs;
4285 Elf_Internal_Sym *local_syms;
4286 asection **local_sections;
4287 {
4288 struct elf_sh_link_hash_table *htab;
4289 Elf_Internal_Shdr *symtab_hdr;
4290 struct elf_link_hash_entry **sym_hashes;
4291 Elf_Internal_Rela *rel, *relend;
4292 bfd *dynobj;
4293 bfd_vma *local_got_offsets;
4294 asection *sgot;
4295 asection *sgotplt;
4296 asection *splt;
4297 asection *sreloc;
4298
4299 htab = sh_elf_hash_table (info);
4300 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
4301 sym_hashes = elf_sym_hashes (input_bfd);
4302 dynobj = htab->root.dynobj;
4303 local_got_offsets = elf_local_got_offsets (input_bfd);
4304
4305 sgot = htab->sgot;
4306 sgotplt = htab->sgotplt;
4307 splt = htab->splt;
4308 sreloc = NULL;
4309
4310 rel = relocs;
4311 relend = relocs + input_section->reloc_count;
4312 for (; rel < relend; rel++)
4313 {
4314 int r_type;
4315 reloc_howto_type *howto;
4316 unsigned long r_symndx;
4317 Elf_Internal_Sym *sym;
4318 asection *sec;
4319 struct elf_link_hash_entry *h;
4320 bfd_vma relocation;
4321 bfd_vma addend = (bfd_vma) 0;
4322 bfd_reloc_status_type r;
4323 int seen_stt_datalabel = 0;
4324
4325 r_symndx = ELF32_R_SYM (rel->r_info);
4326
4327 r_type = ELF32_R_TYPE (rel->r_info);
4328
4329 /* Many of the relocs are only used for relaxing, and are
4330 handled entirely by the relaxation code. */
4331 if (r_type > (int) R_SH_LAST_INVALID_RELOC
4332 && r_type < (int) R_SH_LOOP_START)
4333 continue;
4334 if (r_type == (int) R_SH_NONE)
4335 continue;
4336
4337 if (r_type < 0
4338 || r_type >= R_SH_max
4339 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC
4340 && r_type <= (int) R_SH_LAST_INVALID_RELOC)
4341 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_3
4342 && r_type <= (int) R_SH_LAST_INVALID_RELOC_3)
4343 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_4
4344 && r_type <= (int) R_SH_LAST_INVALID_RELOC_4)
4345 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC_2
4346 && r_type <= (int) R_SH_LAST_INVALID_RELOC_2))
4347 {
4348 bfd_set_error (bfd_error_bad_value);
4349 return false;
4350 }
4351
4352 howto = sh_elf_howto_table + r_type;
4353
4354 /* For relocs that aren't partial_inplace, we get the addend from
4355 the relocation. */
4356 if (! howto->partial_inplace)
4357 addend = rel->r_addend;
4358
4359 h = NULL;
4360 sym = NULL;
4361 sec = NULL;
4362 if (r_symndx < symtab_hdr->sh_info)
4363 {
4364 sym = local_syms + r_symndx;
4365 sec = local_sections[r_symndx];
4366 relocation = (sec->output_section->vma
4367 + sec->output_offset
4368 + sym->st_value);
4369 /* A local symbol never has STO_SH5_ISA32, so we don't need
4370 datalabel processing here. Make sure this does not change
4371 without notice. */
4372 if ((sym->st_other & STO_SH5_ISA32) != 0)
4373 ((*info->callbacks->reloc_dangerous)
4374 (info,
4375 _("Unexpected STO_SH5_ISA32 on local symbol is not handled"),
4376 input_bfd, input_section, rel->r_offset));
4377 if (info->relocateable)
4378 {
4379 /* This is a relocateable link. We don't have to change
4380 anything, unless the reloc is against a section symbol,
4381 in which case we have to adjust according to where the
4382 section symbol winds up in the output section. */
4383 sym = local_syms + r_symndx;
4384 if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
4385 {
4386 if (! howto->partial_inplace)
4387 {
4388 /* For relocations with the addend in the
4389 relocation, we need just to update the addend.
4390 All real relocs are of type partial_inplace; this
4391 code is mostly for completeness. */
4392 rel->r_addend += sec->output_offset + sym->st_value;
4393
4394 continue;
4395 }
4396
4397 /* Relocs of type partial_inplace need to pick up the
4398 contents in the contents and add the offset resulting
4399 from the changed location of the section symbol.
4400 Using _bfd_final_link_relocate (e.g. goto
4401 final_link_relocate) here would be wrong, because
4402 relocations marked pc_relative would get the current
4403 location subtracted, and we must only do that at the
4404 final link. */
4405 r = _bfd_relocate_contents (howto, input_bfd,
4406 sec->output_offset
4407 + sym->st_value,
4408 contents + rel->r_offset);
4409 goto relocation_done;
4410 }
4411
4412 continue;
4413 }
4414 else if (! howto->partial_inplace)
4415 {
4416 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, sec, rel);
4417 addend = rel->r_addend;
4418 }
4419 else if ((sec->flags & SEC_MERGE)
4420 && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
4421 {
4422 asection *msec;
4423
4424 if (howto->rightshift || howto->src_mask != 0xffffffff)
4425 {
4426 (*_bfd_error_handler)
4427 (_("%s(%s+0x%lx): %s relocation against SEC_MERGE section"),
4428 bfd_archive_filename (input_bfd),
4429 bfd_get_section_name (input_bfd, input_section),
4430 (long) rel->r_offset, howto->name);
4431 return false;
4432 }
4433
4434 addend = bfd_get_32 (input_bfd, contents + rel->r_offset);
4435 msec = sec;
4436 addend =
4437 _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend)
4438 - relocation;
4439 addend += msec->output_section->vma + msec->output_offset;
4440 bfd_put_32 (input_bfd, addend, contents + rel->r_offset);
4441 addend = 0;
4442 }
4443 }
4444 else
4445 {
4446 /* Section symbol are never (?) placed in the hash table, so
4447 we can just ignore hash relocations when creating a
4448 relocateable object file. */
4449 if (info->relocateable)
4450 continue;
4451
4452 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
4453 while (h->root.type == bfd_link_hash_indirect
4454 || h->root.type == bfd_link_hash_warning)
4455 {
4456 #ifdef INCLUDE_SHMEDIA
4457 /* If the reference passes a symbol marked with
4458 STT_DATALABEL, then any STO_SH5_ISA32 on the final value
4459 doesn't count. */
4460 seen_stt_datalabel |= h->type == STT_DATALABEL;
4461 #endif
4462 h = (struct elf_link_hash_entry *) h->root.u.i.link;
4463 }
4464 if (h->root.type == bfd_link_hash_defined
4465 || h->root.type == bfd_link_hash_defweak)
4466 {
4467 boolean dyn;
4468
4469 dyn = htab->root.dynamic_sections_created;
4470 sec = h->root.u.def.section;
4471 /* In these cases, we don't need the relocation value.
4472 We check specially because in some obscure cases
4473 sec->output_section will be NULL. */
4474 if (r_type == R_SH_GOTPC
4475 || r_type == R_SH_GOTPC_LOW16
4476 || r_type == R_SH_GOTPC_MEDLOW16
4477 || r_type == R_SH_GOTPC_MEDHI16
4478 || r_type == R_SH_GOTPC_HI16
4479 || ((r_type == R_SH_PLT32
4480 || r_type == R_SH_PLT_LOW16
4481 || r_type == R_SH_PLT_MEDLOW16
4482 || r_type == R_SH_PLT_MEDHI16
4483 || r_type == R_SH_PLT_HI16)
4484 && h->plt.offset != (bfd_vma) -1)
4485 || ((r_type == R_SH_GOT32
4486 || r_type == R_SH_GOT_LOW16
4487 || r_type == R_SH_GOT_MEDLOW16
4488 || r_type == R_SH_GOT_MEDHI16
4489 || r_type == R_SH_GOT_HI16)
4490 && WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info, h)
4491 && (! info->shared
4492 || (! info->symbolic && h->dynindx != -1)
4493 || (h->elf_link_hash_flags
4494 & ELF_LINK_HASH_DEF_REGULAR) == 0))
4495 /* The cases above are those in which relocation is
4496 overwritten in the switch block below. The cases
4497 below are those in which we must defer relocation
4498 to run-time, because we can't resolve absolute
4499 addresses when creating a shared library. */
4500 || (info->shared
4501 && ((! info->symbolic && h->dynindx != -1)
4502 || (h->elf_link_hash_flags
4503 & ELF_LINK_HASH_DEF_REGULAR) == 0)
4504 && ((r_type == R_SH_DIR32
4505 && (h->elf_link_hash_flags
4506 & ELF_LINK_FORCED_LOCAL) == 0)
4507 || r_type == R_SH_REL32)
4508 && ((input_section->flags & SEC_ALLOC) != 0
4509 /* DWARF will emit R_SH_DIR32 relocations in its
4510 sections against symbols defined externally
4511 in shared libraries. We can't do anything
4512 with them here. */
4513 || ((input_section->flags & SEC_DEBUGGING) != 0
4514 && (h->elf_link_hash_flags
4515 & ELF_LINK_HASH_DEF_DYNAMIC) != 0))))
4516 relocation = 0;
4517 else if (sec->output_section == NULL)
4518 {
4519 (*_bfd_error_handler)
4520 (_("%s: warning: unresolvable relocation against symbol `%s' from %s section"),
4521 bfd_archive_filename (input_bfd), h->root.root.string,
4522 bfd_get_section_name (input_bfd, input_section));
4523 relocation = 0;
4524 }
4525 else
4526 relocation = ((h->root.u.def.value
4527 + sec->output_section->vma
4528 + sec->output_offset)
4529 /* A STO_SH5_ISA32 causes a "bitor 1" to the
4530 symbol value, unless we've seen
4531 STT_DATALABEL on the way to it. */
4532 | ((h->other & STO_SH5_ISA32) != 0
4533 && ! seen_stt_datalabel));
4534 }
4535 else if (h->root.type == bfd_link_hash_undefweak)
4536 relocation = 0;
4537 else if (info->shared
4538 && (! info->symbolic || info->allow_shlib_undefined)
4539 && ! info->no_undefined
4540 && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
4541 relocation = 0;
4542 else
4543 {
4544 if (! ((*info->callbacks->undefined_symbol)
4545 (info, h->root.root.string, input_bfd,
4546 input_section, rel->r_offset,
4547 (!info->shared || info->no_undefined
4548 || ELF_ST_VISIBILITY (h->other)))))
4549 return false;
4550 relocation = 0;
4551 }
4552 }
4553
4554 switch ((int) r_type)
4555 {
4556 final_link_relocate:
4557 /* COFF relocs don't use the addend. The addend is used for
4558 R_SH_DIR32 to be compatible with other compilers. */
4559 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
4560 contents, rel->r_offset,
4561 relocation, addend);
4562 break;
4563
4564 case R_SH_IND12W:
4565 relocation -= 4;
4566 goto final_link_relocate;
4567
4568 case R_SH_DIR8WPN:
4569 case R_SH_DIR8WPZ:
4570 case R_SH_DIR8WPL:
4571 /* If the reloc is against the start of this section, then
4572 the assembler has already taken care of it and the reloc
4573 is here only to assist in relaxing. If the reloc is not
4574 against the start of this section, then it's against an
4575 external symbol and we must deal with it ourselves. */
4576 if (input_section->output_section->vma + input_section->output_offset
4577 != relocation)
4578 {
4579 int disp = (relocation
4580 - input_section->output_section->vma
4581 - input_section->output_offset
4582 - rel->r_offset);
4583 int mask = 0;
4584 switch (r_type)
4585 {
4586 case R_SH_DIR8WPN:
4587 case R_SH_DIR8WPZ: mask = 1; break;
4588 case R_SH_DIR8WPL: mask = 3; break;
4589 default: mask = 0; break;
4590 }
4591 if (disp & mask)
4592 {
4593 ((*_bfd_error_handler)
4594 (_("%s: 0x%lx: fatal: unaligned branch target for relax-support relocation"),
4595 bfd_archive_filename (input_section->owner),
4596 (unsigned long) rel->r_offset));
4597 bfd_set_error (bfd_error_bad_value);
4598 return false;
4599 }
4600 relocation -= 4;
4601 goto final_link_relocate;
4602 }
4603 r = bfd_reloc_ok;
4604 break;
4605
4606 default:
4607 #ifdef INCLUDE_SHMEDIA
4608 if (shmedia_prepare_reloc (info, input_bfd, input_section,
4609 contents, rel, &relocation))
4610 goto final_link_relocate;
4611 #endif
4612 bfd_set_error (bfd_error_bad_value);
4613 return false;
4614
4615 case R_SH_DIR32:
4616 case R_SH_REL32:
4617 if (info->shared
4618 && r_symndx != 0
4619 && (input_section->flags & SEC_ALLOC) != 0
4620 && (r_type != R_SH_REL32
4621 || (h != NULL
4622 && h->dynindx != -1
4623 && (! info->symbolic
4624 || (h->elf_link_hash_flags
4625 & ELF_LINK_HASH_DEF_REGULAR) == 0))))
4626 {
4627 Elf_Internal_Rela outrel;
4628 boolean skip, relocate;
4629
4630 /* When generating a shared object, these relocations
4631 are copied into the output file to be resolved at run
4632 time. */
4633
4634 if (sreloc == NULL)
4635 {
4636 const char *name;
4637
4638 name = (bfd_elf_string_from_elf_section
4639 (input_bfd,
4640 elf_elfheader (input_bfd)->e_shstrndx,
4641 elf_section_data (input_section)->rel_hdr.sh_name));
4642 if (name == NULL)
4643 return false;
4644
4645 BFD_ASSERT (strncmp (name, ".rela", 5) == 0
4646 && strcmp (bfd_get_section_name (input_bfd,
4647 input_section),
4648 name + 5) == 0);
4649
4650 sreloc = bfd_get_section_by_name (dynobj, name);
4651 BFD_ASSERT (sreloc != NULL);
4652 }
4653
4654 skip = false;
4655 relocate = false;
4656
4657 outrel.r_offset =
4658 _bfd_elf_section_offset (output_bfd, info, input_section,
4659 rel->r_offset);
4660 if (outrel.r_offset == (bfd_vma) -1)
4661 skip = true;
4662 else if (outrel.r_offset == (bfd_vma) -2)
4663 skip = true, relocate = true;
4664 outrel.r_offset += (input_section->output_section->vma
4665 + input_section->output_offset);
4666
4667 if (skip)
4668 memset (&outrel, 0, sizeof outrel);
4669 else if (r_type == R_SH_REL32)
4670 {
4671 BFD_ASSERT (h != NULL && h->dynindx != -1);
4672 outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_REL32);
4673 outrel.r_addend
4674 = bfd_get_32 (input_bfd, contents + rel->r_offset);
4675 }
4676 else
4677 {
4678 /* h->dynindx may be -1 if this symbol was marked to
4679 become local. */
4680 if (h == NULL
4681 || ((info->symbolic || h->dynindx == -1)
4682 && (h->elf_link_hash_flags
4683 & ELF_LINK_HASH_DEF_REGULAR) != 0))
4684 {
4685 relocate = true;
4686 outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
4687 outrel.r_addend
4688 = relocation + bfd_get_32 (input_bfd,
4689 contents + rel->r_offset);
4690 }
4691 else
4692 {
4693 BFD_ASSERT (h->dynindx != -1);
4694 outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_DIR32);
4695 outrel.r_addend
4696 = relocation + bfd_get_32 (input_bfd,
4697 contents + rel->r_offset);
4698 }
4699 }
4700
4701 bfd_elf32_swap_reloca_out (output_bfd, &outrel,
4702 (((Elf32_External_Rela *)
4703 sreloc->contents)
4704 + sreloc->reloc_count));
4705 ++sreloc->reloc_count;
4706
4707 /* If this reloc is against an external symbol, we do
4708 not want to fiddle with the addend. Otherwise, we
4709 need to include the symbol value so that it becomes
4710 an addend for the dynamic reloc. */
4711 if (! relocate)
4712 continue;
4713 }
4714 goto final_link_relocate;
4715
4716 case R_SH_GOTPLT32:
4717 #ifdef INCLUDE_SHMEDIA
4718 case R_SH_GOTPLT_LOW16:
4719 case R_SH_GOTPLT_MEDLOW16:
4720 case R_SH_GOTPLT_MEDHI16:
4721 case R_SH_GOTPLT_HI16:
4722 case R_SH_GOTPLT10BY4:
4723 case R_SH_GOTPLT10BY8:
4724 #endif
4725 /* Relocation is to the entry for this symbol in the
4726 procedure linkage table. */
4727
4728 if (h == NULL
4729 || (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL)
4730 || ! info->shared
4731 || info->symbolic
4732 || h->dynindx == -1
4733 || h->plt.offset == (bfd_vma) -1
4734 || h->got.offset != (bfd_vma) -1)
4735 goto force_got;
4736
4737 /* Relocation is to the entry for this symbol in the global
4738 offset table extension for the procedure linkage table. */
4739
4740 BFD_ASSERT (sgotplt != NULL);
4741 relocation = (sgotplt->output_offset
4742 + ((h->plt.offset / elf_sh_sizeof_plt (info)
4743 - 1 + 3) * 4));
4744
4745 #ifdef GOT_BIAS
4746 relocation -= GOT_BIAS;
4747 #endif
4748
4749 goto final_link_relocate;
4750
4751 force_got:
4752 case R_SH_GOT32:
4753 #ifdef INCLUDE_SHMEDIA
4754 case R_SH_GOT_LOW16:
4755 case R_SH_GOT_MEDLOW16:
4756 case R_SH_GOT_MEDHI16:
4757 case R_SH_GOT_HI16:
4758 case R_SH_GOT10BY4:
4759 case R_SH_GOT10BY8:
4760 #endif
4761 /* Relocation is to the entry for this symbol in the global
4762 offset table. */
4763
4764 BFD_ASSERT (sgot != NULL);
4765
4766 if (h != NULL)
4767 {
4768 bfd_vma off;
4769 boolean dyn;
4770
4771 off = h->got.offset;
4772 #ifdef INCLUDE_SHMEDIA
4773 if (seen_stt_datalabel)
4774 {
4775 struct elf_sh_link_hash_entry *hsh;
4776
4777 hsh = (struct elf_sh_link_hash_entry *)h;
4778 off = hsh->datalabel_got_offset;
4779 }
4780 #endif
4781 BFD_ASSERT (off != (bfd_vma) -1);
4782
4783 dyn = htab->root.dynamic_sections_created;
4784 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info, h)
4785 || (info->shared
4786 && (info->symbolic || h->dynindx == -1
4787 || (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL))
4788 && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR)))
4789 {
4790 /* This is actually a static link, or it is a
4791 -Bsymbolic link and the symbol is defined
4792 locally, or the symbol was forced to be local
4793 because of a version file. We must initialize
4794 this entry in the global offset table. Since the
4795 offset must always be a multiple of 4, we use the
4796 least significant bit to record whether we have
4797 initialized it already.
4798
4799 When doing a dynamic link, we create a .rela.got
4800 relocation entry to initialize the value. This
4801 is done in the finish_dynamic_symbol routine. */
4802 if ((off & 1) != 0)
4803 off &= ~1;
4804 else
4805 {
4806 bfd_put_32 (output_bfd, relocation,
4807 sgot->contents + off);
4808 #ifdef INCLUDE_SHMEDIA
4809 if (seen_stt_datalabel)
4810 {
4811 struct elf_sh_link_hash_entry *hsh;
4812
4813 hsh = (struct elf_sh_link_hash_entry *)h;
4814 hsh->datalabel_got_offset |= 1;
4815 }
4816 else
4817 #endif
4818 h->got.offset |= 1;
4819 }
4820 }
4821
4822 relocation = sgot->output_offset + off;
4823 }
4824 else
4825 {
4826 bfd_vma off;
4827
4828 #ifdef INCLUDE_SHMEDIA
4829 if (rel->r_addend)
4830 {
4831 BFD_ASSERT (local_got_offsets != NULL
4832 && (local_got_offsets[symtab_hdr->sh_info
4833 + r_symndx]
4834 != (bfd_vma) -1));
4835
4836 off = local_got_offsets[symtab_hdr->sh_info
4837 + r_symndx];
4838 }
4839 else
4840 {
4841 #endif
4842 BFD_ASSERT (local_got_offsets != NULL
4843 && local_got_offsets[r_symndx] != (bfd_vma) -1);
4844
4845 off = local_got_offsets[r_symndx];
4846 #ifdef INCLUDE_SHMEDIA
4847 }
4848 #endif
4849
4850 /* The offset must always be a multiple of 4. We use
4851 the least significant bit to record whether we have
4852 already generated the necessary reloc. */
4853 if ((off & 1) != 0)
4854 off &= ~1;
4855 else
4856 {
4857 bfd_put_32 (output_bfd, relocation, sgot->contents + off);
4858
4859 if (info->shared)
4860 {
4861 asection *srelgot;
4862 Elf_Internal_Rela outrel;
4863
4864 srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
4865 BFD_ASSERT (srelgot != NULL);
4866
4867 outrel.r_offset = (sgot->output_section->vma
4868 + sgot->output_offset
4869 + off);
4870 outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
4871 outrel.r_addend = relocation;
4872 bfd_elf32_swap_reloca_out (output_bfd, &outrel,
4873 (((Elf32_External_Rela *)
4874 srelgot->contents)
4875 + srelgot->reloc_count));
4876 ++srelgot->reloc_count;
4877 }
4878
4879 #ifdef INCLUDE_SHMEDIA
4880 if (rel->r_addend)
4881 local_got_offsets[symtab_hdr->sh_info + r_symndx] |= 1;
4882 else
4883 #endif
4884 local_got_offsets[r_symndx] |= 1;
4885 }
4886
4887 relocation = sgot->output_offset + off;
4888 }
4889
4890 #ifdef GOT_BIAS
4891 relocation -= GOT_BIAS;
4892 #endif
4893
4894 goto final_link_relocate;
4895
4896 case R_SH_GOTOFF:
4897 #ifdef INCLUDE_SHMEDIA
4898 case R_SH_GOTOFF_LOW16:
4899 case R_SH_GOTOFF_MEDLOW16:
4900 case R_SH_GOTOFF_MEDHI16:
4901 case R_SH_GOTOFF_HI16:
4902 #endif
4903 /* Relocation is relative to the start of the global offset
4904 table. */
4905
4906 BFD_ASSERT (sgot != NULL);
4907
4908 /* Note that sgot->output_offset is not involved in this
4909 calculation. We always want the start of .got. If we
4910 defined _GLOBAL_OFFSET_TABLE in a different way, as is
4911 permitted by the ABI, we might have to change this
4912 calculation. */
4913 relocation -= sgot->output_section->vma;
4914
4915 #ifdef GOT_BIAS
4916 relocation -= GOT_BIAS;
4917 #endif
4918
4919 addend = rel->r_addend;
4920
4921 goto final_link_relocate;
4922
4923 case R_SH_GOTPC:
4924 #ifdef INCLUDE_SHMEDIA
4925 case R_SH_GOTPC_LOW16:
4926 case R_SH_GOTPC_MEDLOW16:
4927 case R_SH_GOTPC_MEDHI16:
4928 case R_SH_GOTPC_HI16:
4929 #endif
4930 /* Use global offset table as symbol value. */
4931
4932 BFD_ASSERT (sgot != NULL);
4933 relocation = sgot->output_section->vma;
4934
4935 #ifdef GOT_BIAS
4936 relocation += GOT_BIAS;
4937 #endif
4938
4939 addend = rel->r_addend;
4940
4941 goto final_link_relocate;
4942
4943 case R_SH_PLT32:
4944 #ifdef INCLUDE_SHMEDIA
4945 case R_SH_PLT_LOW16:
4946 case R_SH_PLT_MEDLOW16:
4947 case R_SH_PLT_MEDHI16:
4948 case R_SH_PLT_HI16:
4949 #endif
4950 /* Relocation is to the entry for this symbol in the
4951 procedure linkage table. */
4952
4953 /* Resolve a PLT reloc against a local symbol directly,
4954 without using the procedure linkage table. */
4955 if (h == NULL)
4956 goto final_link_relocate;
4957
4958 if (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL)
4959 goto final_link_relocate;
4960
4961 if (h->plt.offset == (bfd_vma) -1)
4962 {
4963 /* We didn't make a PLT entry for this symbol. This
4964 happens when statically linking PIC code, or when
4965 using -Bsymbolic. */
4966 goto final_link_relocate;
4967 }
4968
4969 BFD_ASSERT (splt != NULL);
4970 relocation = (splt->output_section->vma
4971 + splt->output_offset
4972 + h->plt.offset);
4973
4974 #ifdef INCLUDE_SHMEDIA
4975 relocation++;
4976 #endif
4977
4978 addend = rel->r_addend;
4979
4980 goto final_link_relocate;
4981
4982 case R_SH_LOOP_START:
4983 {
4984 static bfd_vma start, end;
4985
4986 start = (relocation + rel->r_addend
4987 - (sec->output_section->vma + sec->output_offset));
4988 r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
4989 rel->r_offset, sec, start, end);
4990 break;
4991
4992 case R_SH_LOOP_END:
4993 end = (relocation + rel->r_addend
4994 - (sec->output_section->vma + sec->output_offset));
4995 r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
4996 rel->r_offset, sec, start, end);
4997 break;
4998 }
4999 }
5000
5001 relocation_done:
5002 if (r != bfd_reloc_ok)
5003 {
5004 switch (r)
5005 {
5006 default:
5007 case bfd_reloc_outofrange:
5008 abort ();
5009 case bfd_reloc_overflow:
5010 {
5011 const char *name;
5012
5013 if (h != NULL)
5014 name = h->root.root.string;
5015 else
5016 {
5017 name = (bfd_elf_string_from_elf_section
5018 (input_bfd, symtab_hdr->sh_link, sym->st_name));
5019 if (name == NULL)
5020 return false;
5021 if (*name == '\0')
5022 name = bfd_section_name (input_bfd, sec);
5023 }
5024 if (! ((*info->callbacks->reloc_overflow)
5025 (info, name, howto->name, (bfd_vma) 0,
5026 input_bfd, input_section, rel->r_offset)))
5027 return false;
5028 }
5029 break;
5030 }
5031 }
5032 }
5033
5034 return true;
5035 }
5036
5037 /* This is a version of bfd_generic_get_relocated_section_contents
5038 which uses sh_elf_relocate_section. */
5039
5040 static bfd_byte *
5041 sh_elf_get_relocated_section_contents (output_bfd, link_info, link_order,
5042 data, relocateable, symbols)
5043 bfd *output_bfd;
5044 struct bfd_link_info *link_info;
5045 struct bfd_link_order *link_order;
5046 bfd_byte *data;
5047 boolean relocateable;
5048 asymbol **symbols;
5049 {
5050 Elf_Internal_Shdr *symtab_hdr;
5051 asection *input_section = link_order->u.indirect.section;
5052 bfd *input_bfd = input_section->owner;
5053 asection **sections = NULL;
5054 Elf_Internal_Rela *internal_relocs = NULL;
5055 Elf_Internal_Sym *isymbuf = NULL;
5056
5057 /* We only need to handle the case of relaxing, or of having a
5058 particular set of section contents, specially. */
5059 if (relocateable
5060 || elf_section_data (input_section)->this_hdr.contents == NULL)
5061 return bfd_generic_get_relocated_section_contents (output_bfd, link_info,
5062 link_order, data,
5063 relocateable,
5064 symbols);
5065
5066 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
5067
5068 memcpy (data, elf_section_data (input_section)->this_hdr.contents,
5069 (size_t) input_section->_raw_size);
5070
5071 if ((input_section->flags & SEC_RELOC) != 0
5072 && input_section->reloc_count > 0)
5073 {
5074 asection **secpp;
5075 Elf_Internal_Sym *isym, *isymend;
5076 bfd_size_type amt;
5077
5078 internal_relocs = (_bfd_elf32_link_read_relocs
5079 (input_bfd, input_section, (PTR) NULL,
5080 (Elf_Internal_Rela *) NULL, false));
5081 if (internal_relocs == NULL)
5082 goto error_return;
5083
5084 if (symtab_hdr->sh_info != 0)
5085 {
5086 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
5087 if (isymbuf == NULL)
5088 isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
5089 symtab_hdr->sh_info, 0,
5090 NULL, NULL, NULL);
5091 if (isymbuf == NULL)
5092 goto error_return;
5093 }
5094
5095 amt = symtab_hdr->sh_info;
5096 amt *= sizeof (asection *);
5097 sections = (asection **) bfd_malloc (amt);
5098 if (sections == NULL && amt != 0)
5099 goto error_return;
5100
5101 isymend = isymbuf + symtab_hdr->sh_info;
5102 for (isym = isymbuf, secpp = sections; isym < isymend; ++isym, ++secpp)
5103 {
5104 asection *isec;
5105
5106 if (isym->st_shndx == SHN_UNDEF)
5107 isec = bfd_und_section_ptr;
5108 else if (isym->st_shndx == SHN_ABS)
5109 isec = bfd_abs_section_ptr;
5110 else if (isym->st_shndx == SHN_COMMON)
5111 isec = bfd_com_section_ptr;
5112 else
5113 isec = bfd_section_from_elf_index (input_bfd, isym->st_shndx);
5114
5115 *secpp = isec;
5116 }
5117
5118 if (! sh_elf_relocate_section (output_bfd, link_info, input_bfd,
5119 input_section, data, internal_relocs,
5120 isymbuf, sections))
5121 goto error_return;
5122
5123 if (sections != NULL)
5124 free (sections);
5125 if (isymbuf != NULL
5126 && symtab_hdr->contents != (unsigned char *) isymbuf)
5127 free (isymbuf);
5128 if (elf_section_data (input_section)->relocs != internal_relocs)
5129 free (internal_relocs);
5130 }
5131
5132 return data;
5133
5134 error_return:
5135 if (sections != NULL)
5136 free (sections);
5137 if (isymbuf != NULL
5138 && symtab_hdr->contents != (unsigned char *) isymbuf)
5139 free (isymbuf);
5140 if (internal_relocs != NULL
5141 && elf_section_data (input_section)->relocs != internal_relocs)
5142 free (internal_relocs);
5143 return NULL;
5144 }
5145
5146 static asection *
5147 sh_elf_gc_mark_hook (sec, info, rel, h, sym)
5148 asection *sec;
5149 struct bfd_link_info *info ATTRIBUTE_UNUSED;
5150 Elf_Internal_Rela *rel;
5151 struct elf_link_hash_entry *h;
5152 Elf_Internal_Sym *sym;
5153 {
5154 if (h != NULL)
5155 {
5156 switch (ELF32_R_TYPE (rel->r_info))
5157 {
5158 case R_SH_GNU_VTINHERIT:
5159 case R_SH_GNU_VTENTRY:
5160 break;
5161
5162 default:
5163 #ifdef INCLUDE_SHMEDIA
5164 while (h->root.type == bfd_link_hash_indirect
5165 && h->root.u.i.link)
5166 h = (struct elf_link_hash_entry *) h->root.u.i.link;
5167 #endif
5168 switch (h->root.type)
5169 {
5170 case bfd_link_hash_defined:
5171 case bfd_link_hash_defweak:
5172 return h->root.u.def.section;
5173
5174 case bfd_link_hash_common:
5175 return h->root.u.c.p->section;
5176
5177 default:
5178 break;
5179 }
5180 }
5181 }
5182 else
5183 return bfd_section_from_elf_index (sec->owner, sym->st_shndx);
5184
5185 return NULL;
5186 }
5187
5188 /* Update the got entry reference counts for the section being removed. */
5189
5190 static boolean
5191 sh_elf_gc_sweep_hook (abfd, info, sec, relocs)
5192 bfd *abfd;
5193 struct bfd_link_info *info;
5194 asection *sec;
5195 const Elf_Internal_Rela *relocs;
5196 {
5197 Elf_Internal_Shdr *symtab_hdr;
5198 struct elf_link_hash_entry **sym_hashes;
5199 bfd_signed_vma *local_got_refcounts;
5200 const Elf_Internal_Rela *rel, *relend;
5201 unsigned long r_symndx;
5202 struct elf_link_hash_entry *h;
5203
5204 elf_section_data (sec)->local_dynrel = NULL;
5205
5206 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
5207 sym_hashes = elf_sym_hashes (abfd);
5208 local_got_refcounts = elf_local_got_refcounts (abfd);
5209
5210 relend = relocs + sec->reloc_count;
5211 for (rel = relocs; rel < relend; rel++)
5212 switch (ELF32_R_TYPE (rel->r_info))
5213 {
5214 case R_SH_GOT32:
5215 case R_SH_GOTOFF:
5216 case R_SH_GOTPC:
5217 #ifdef INCLUDE_SHMEDIA
5218 case R_SH_GOT_LOW16:
5219 case R_SH_GOT_MEDLOW16:
5220 case R_SH_GOT_MEDHI16:
5221 case R_SH_GOT_HI16:
5222 case R_SH_GOT10BY4:
5223 case R_SH_GOT10BY8:
5224 case R_SH_GOTOFF_LOW16:
5225 case R_SH_GOTOFF_MEDLOW16:
5226 case R_SH_GOTOFF_MEDHI16:
5227 case R_SH_GOTOFF_HI16:
5228 case R_SH_GOTPC_LOW16:
5229 case R_SH_GOTPC_MEDLOW16:
5230 case R_SH_GOTPC_MEDHI16:
5231 case R_SH_GOTPC_HI16:
5232 #endif
5233 r_symndx = ELF32_R_SYM (rel->r_info);
5234 if (r_symndx >= symtab_hdr->sh_info)
5235 {
5236 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
5237 if (h->got.refcount > 0)
5238 h->got.refcount -= 1;
5239 }
5240 else if (local_got_refcounts != NULL)
5241 {
5242 if (local_got_refcounts[r_symndx] > 0)
5243 local_got_refcounts[r_symndx] -= 1;
5244 }
5245 break;
5246
5247 case R_SH_DIR32:
5248 case R_SH_REL32:
5249 r_symndx = ELF32_R_SYM (rel->r_info);
5250 if (r_symndx >= symtab_hdr->sh_info)
5251 {
5252 struct elf_sh_link_hash_entry *eh;
5253 struct elf_sh_dyn_relocs **pp;
5254 struct elf_sh_dyn_relocs *p;
5255
5256 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
5257
5258 if (!info->shared && h->plt.refcount > 0)
5259 h->plt.refcount -= 1;
5260
5261 eh = (struct elf_sh_link_hash_entry *) h;
5262
5263 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
5264 if (p->sec == sec)
5265 {
5266 if (ELF32_R_TYPE (rel->r_info) == R_SH_REL32)
5267 p->pc_count -= 1;
5268 p->count -= 1;
5269 if (p->count == 0)
5270 *pp = p->next;
5271 break;
5272 }
5273 }
5274 break;
5275
5276 case R_SH_PLT32:
5277 #ifdef INCLUDE_SHMEDIA
5278 case R_SH_PLT_LOW16:
5279 case R_SH_PLT_MEDLOW16:
5280 case R_SH_PLT_MEDHI16:
5281 case R_SH_PLT_HI16:
5282 #endif
5283 r_symndx = ELF32_R_SYM (rel->r_info);
5284 if (r_symndx >= symtab_hdr->sh_info)
5285 {
5286 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
5287 if (h->plt.refcount > 0)
5288 h->plt.refcount -= 1;
5289 }
5290 break;
5291
5292 case R_SH_GOTPLT32:
5293 #ifdef INCLUDE_SHMEDIA
5294 case R_SH_GOTPLT_LOW16:
5295 case R_SH_GOTPLT_MEDLOW16:
5296 case R_SH_GOTPLT_MEDHI16:
5297 case R_SH_GOTPLT_HI16:
5298 case R_SH_GOTPLT10BY4:
5299 case R_SH_GOTPLT10BY8:
5300 #endif
5301 r_symndx = ELF32_R_SYM (rel->r_info);
5302 if (r_symndx >= symtab_hdr->sh_info)
5303 {
5304 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
5305 if (h->got.refcount > 0)
5306 h->got.refcount -= 1;
5307 if (h->plt.refcount > 0)
5308 h->plt.refcount -= 1;
5309 }
5310 else if (local_got_refcounts != NULL)
5311 {
5312 if (local_got_refcounts[r_symndx] > 0)
5313 local_got_refcounts[r_symndx] -= 1;
5314 }
5315 break;
5316
5317 default:
5318 break;
5319 }
5320
5321 return true;
5322 }
5323
5324 /* Copy the extra info we tack onto an elf_link_hash_entry. */
5325
5326 static void
5327 sh_elf_copy_indirect_symbol (bed, dir, ind)
5328 struct elf_backend_data *bed;
5329 struct elf_link_hash_entry *dir, *ind;
5330 {
5331 struct elf_sh_link_hash_entry *edir, *eind;
5332
5333 edir = (struct elf_sh_link_hash_entry *) dir;
5334 eind = (struct elf_sh_link_hash_entry *) ind;
5335
5336 if (eind->dyn_relocs != NULL)
5337 {
5338 if (edir->dyn_relocs != NULL)
5339 {
5340 struct elf_sh_dyn_relocs **pp;
5341 struct elf_sh_dyn_relocs *p;
5342
5343 BFD_ASSERT (ind->root.type != bfd_link_hash_indirect);
5344
5345 /* Add reloc counts against the weak sym to the strong sym
5346 list. Merge any entries against the same section. */
5347 for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
5348 {
5349 struct elf_sh_dyn_relocs *q;
5350
5351 for (q = edir->dyn_relocs; q != NULL; q = q->next)
5352 if (q->sec == p->sec)
5353 {
5354 q->pc_count += p->pc_count;
5355 q->count += p->count;
5356 *pp = p->next;
5357 break;
5358 }
5359 if (q == NULL)
5360 pp = &p->next;
5361 }
5362 *pp = edir->dyn_relocs;
5363 }
5364
5365 edir->dyn_relocs = eind->dyn_relocs;
5366 eind->dyn_relocs = NULL;
5367 }
5368
5369 _bfd_elf_link_hash_copy_indirect (bed, dir, ind);
5370 }
5371
5372 /* Look through the relocs for a section during the first phase.
5373 Since we don't do .gots or .plts, we just need to consider the
5374 virtual table relocs for gc. */
5375
5376 static boolean
5377 sh_elf_check_relocs (abfd, info, sec, relocs)
5378 bfd *abfd;
5379 struct bfd_link_info *info;
5380 asection *sec;
5381 const Elf_Internal_Rela *relocs;
5382 {
5383 Elf_Internal_Shdr *symtab_hdr;
5384 struct elf_link_hash_entry **sym_hashes, **sym_hashes_end;
5385 struct elf_sh_link_hash_table *htab;
5386 const Elf_Internal_Rela *rel;
5387 const Elf_Internal_Rela *rel_end;
5388 bfd *dynobj;
5389 bfd_vma *local_got_offsets;
5390 asection *sgot;
5391 asection *srelgot;
5392 asection *sreloc;
5393
5394 sgot = NULL;
5395 srelgot = NULL;
5396 sreloc = NULL;
5397
5398 if (info->relocateable)
5399 return true;
5400
5401 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
5402 sym_hashes = elf_sym_hashes (abfd);
5403 sym_hashes_end = sym_hashes + symtab_hdr->sh_size/sizeof (Elf32_External_Sym);
5404 if (!elf_bad_symtab (abfd))
5405 sym_hashes_end -= symtab_hdr->sh_info;
5406
5407 htab = sh_elf_hash_table (info);
5408 dynobj = htab->root.dynobj;
5409 local_got_offsets = elf_local_got_offsets (abfd);
5410
5411 rel_end = relocs + sec->reloc_count;
5412 for (rel = relocs; rel < rel_end; rel++)
5413 {
5414 struct elf_link_hash_entry *h;
5415 unsigned long r_symndx;
5416
5417 r_symndx = ELF32_R_SYM (rel->r_info);
5418 if (r_symndx < symtab_hdr->sh_info)
5419 h = NULL;
5420 else
5421 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
5422
5423 /* Some relocs require a global offset table. */
5424 if (htab->sgot == NULL)
5425 {
5426 switch (ELF32_R_TYPE (rel->r_info))
5427 {
5428 case R_SH_GOTPLT32:
5429 case R_SH_GOT32:
5430 case R_SH_GOTOFF:
5431 case R_SH_GOTPC:
5432 #ifdef INCLUDE_SHMEDIA
5433 case R_SH_GOTPLT_LOW16:
5434 case R_SH_GOTPLT_MEDLOW16:
5435 case R_SH_GOTPLT_MEDHI16:
5436 case R_SH_GOTPLT_HI16:
5437 case R_SH_GOTPLT10BY4:
5438 case R_SH_GOTPLT10BY8:
5439 case R_SH_GOT_LOW16:
5440 case R_SH_GOT_MEDLOW16:
5441 case R_SH_GOT_MEDHI16:
5442 case R_SH_GOT_HI16:
5443 case R_SH_GOT10BY4:
5444 case R_SH_GOT10BY8:
5445 case R_SH_GOTOFF_LOW16:
5446 case R_SH_GOTOFF_MEDLOW16:
5447 case R_SH_GOTOFF_MEDHI16:
5448 case R_SH_GOTOFF_HI16:
5449 case R_SH_GOTPC_LOW16:
5450 case R_SH_GOTPC_MEDLOW16:
5451 case R_SH_GOTPC_MEDHI16:
5452 case R_SH_GOTPC_HI16:
5453 #endif
5454 if (dynobj == NULL)
5455 htab->root.dynobj = dynobj = abfd;
5456 if (! create_got_section (dynobj, info))
5457 return false;
5458 break;
5459
5460 default:
5461 break;
5462 }
5463 }
5464
5465 switch (ELF32_R_TYPE (rel->r_info))
5466 {
5467 /* This relocation describes the C++ object vtable hierarchy.
5468 Reconstruct it for later use during GC. */
5469 case R_SH_GNU_VTINHERIT:
5470 if (!_bfd_elf32_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
5471 return false;
5472 break;
5473
5474 /* This relocation describes which C++ vtable entries are actually
5475 used. Record for later use during GC. */
5476 case R_SH_GNU_VTENTRY:
5477 if (!_bfd_elf32_gc_record_vtentry (abfd, sec, h, rel->r_addend))
5478 return false;
5479 break;
5480
5481 force_got:
5482 case R_SH_GOT32:
5483 #ifdef INCLUDE_SHMEDIA
5484 case R_SH_GOT_LOW16:
5485 case R_SH_GOT_MEDLOW16:
5486 case R_SH_GOT_MEDHI16:
5487 case R_SH_GOT_HI16:
5488 case R_SH_GOT10BY4:
5489 case R_SH_GOT10BY8:
5490 #endif
5491 if (h != NULL)
5492 h->got.refcount += 1;
5493 else
5494 {
5495 bfd_signed_vma *local_got_refcounts;
5496
5497 /* This is a global offset table entry for a local
5498 symbol. */
5499 local_got_refcounts = elf_local_got_refcounts (abfd);
5500 if (local_got_refcounts == NULL)
5501 {
5502 bfd_size_type size;
5503
5504 size = symtab_hdr->sh_info;
5505 size *= sizeof (bfd_signed_vma);
5506 #ifdef INCLUDE_SHMEDIA
5507 /* Reserve space for both the datalabel and
5508 codelabel local GOT offsets. */
5509 size *= 2;
5510 #endif
5511 local_got_refcounts = ((bfd_signed_vma *)
5512 bfd_zalloc (abfd, size));
5513 if (local_got_refcounts == NULL)
5514 return false;
5515 elf_local_got_refcounts (abfd) = local_got_refcounts;
5516 }
5517 local_got_refcounts[r_symndx] += 1;
5518 }
5519 break;
5520
5521 case R_SH_GOTPLT32:
5522 #ifdef INCLUDE_SHMEDIA
5523 case R_SH_GOTPLT_LOW16:
5524 case R_SH_GOTPLT_MEDLOW16:
5525 case R_SH_GOTPLT_MEDHI16:
5526 case R_SH_GOTPLT_HI16:
5527 case R_SH_GOTPLT10BY4:
5528 case R_SH_GOTPLT10BY8:
5529 #endif
5530 /* If this is a local symbol, we resolve it directly without
5531 creating a procedure linkage table entry. */
5532
5533 if (h == NULL
5534 || (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL)
5535 || ! info->shared
5536 || info->symbolic
5537 || h->dynindx == -1)
5538 goto force_got;
5539
5540 h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT;
5541 h->plt.refcount += 1;
5542
5543 break;
5544
5545 case R_SH_PLT32:
5546 #ifdef INCLUDE_SHMEDIA
5547 case R_SH_PLT_LOW16:
5548 case R_SH_PLT_MEDLOW16:
5549 case R_SH_PLT_MEDHI16:
5550 case R_SH_PLT_HI16:
5551 #endif
5552 /* This symbol requires a procedure linkage table entry. We
5553 actually build the entry in adjust_dynamic_symbol,
5554 because this might be a case of linking PIC code which is
5555 never referenced by a dynamic object, in which case we
5556 don't need to generate a procedure linkage table entry
5557 after all. */
5558
5559 /* If this is a local symbol, we resolve it directly without
5560 creating a procedure linkage table entry. */
5561 if (h == NULL)
5562 continue;
5563
5564 if (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL)
5565 break;
5566
5567 h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT;
5568 h->plt.refcount += 1;
5569 break;
5570
5571 case R_SH_DIR32:
5572 case R_SH_REL32:
5573 if (h != NULL && ! info->shared)
5574 {
5575 h->elf_link_hash_flags |= ELF_LINK_NON_GOT_REF;
5576 h->plt.refcount += 1;
5577 }
5578
5579 /* If we are creating a shared library, and this is a reloc
5580 against a global symbol, or a non PC relative reloc
5581 against a local symbol, then we need to copy the reloc
5582 into the shared library. However, if we are linking with
5583 -Bsymbolic, we do not need to copy a reloc against a
5584 global symbol which is defined in an object we are
5585 including in the link (i.e., DEF_REGULAR is set). At
5586 this point we have not seen all the input files, so it is
5587 possible that DEF_REGULAR is not set now but will be set
5588 later (it is never cleared). We account for that
5589 possibility below by storing information in the
5590 dyn_relocs field of the hash table entry. A similar
5591 situation occurs when creating shared libraries and symbol
5592 visibility changes render the symbol local.
5593
5594 If on the other hand, we are creating an executable, we
5595 may need to keep relocations for symbols satisfied by a
5596 dynamic library if we manage to avoid copy relocs for the
5597 symbol. */
5598 if ((info->shared
5599 && (sec->flags & SEC_ALLOC) != 0
5600 && (ELF32_R_TYPE (rel->r_info) != R_SH_REL32
5601 || (h != NULL
5602 && (! info->symbolic
5603 || h->root.type == bfd_link_hash_defweak
5604 || (h->elf_link_hash_flags
5605 & ELF_LINK_HASH_DEF_REGULAR) == 0))))
5606 || (! info->shared
5607 && (sec->flags & SEC_ALLOC) != 0
5608 && h != NULL
5609 && (h->root.type == bfd_link_hash_defweak
5610 || (h->elf_link_hash_flags
5611 & ELF_LINK_HASH_DEF_REGULAR) == 0)))
5612 {
5613 struct elf_sh_dyn_relocs *p;
5614 struct elf_sh_dyn_relocs **head;
5615
5616 if (dynobj == NULL)
5617 htab->root.dynobj = dynobj = abfd;
5618
5619 /* When creating a shared object, we must copy these
5620 reloc types into the output file. We create a reloc
5621 section in dynobj and make room for this reloc. */
5622 if (sreloc == NULL)
5623 {
5624 const char *name;
5625
5626 name = (bfd_elf_string_from_elf_section
5627 (abfd,
5628 elf_elfheader (abfd)->e_shstrndx,
5629 elf_section_data (sec)->rel_hdr.sh_name));
5630 if (name == NULL)
5631 return false;
5632
5633 BFD_ASSERT (strncmp (name, ".rela", 5) == 0
5634 && strcmp (bfd_get_section_name (abfd, sec),
5635 name + 5) == 0);
5636
5637 sreloc = bfd_get_section_by_name (dynobj, name);
5638 if (sreloc == NULL)
5639 {
5640 flagword flags;
5641
5642 sreloc = bfd_make_section (dynobj, name);
5643 flags = (SEC_HAS_CONTENTS | SEC_READONLY
5644 | SEC_IN_MEMORY | SEC_LINKER_CREATED);
5645 if ((sec->flags & SEC_ALLOC) != 0)
5646 flags |= SEC_ALLOC | SEC_LOAD;
5647 if (sreloc == NULL
5648 || ! bfd_set_section_flags (dynobj, sreloc, flags)
5649 || ! bfd_set_section_alignment (dynobj, sreloc, 2))
5650 return false;
5651 }
5652 if (sec->flags & SEC_READONLY)
5653 info->flags |= DF_TEXTREL;
5654 elf_section_data (sec)->sreloc = sreloc;
5655 }
5656
5657 /* If this is a global symbol, we count the number of
5658 relocations we need for this symbol. */
5659 if (h != NULL)
5660 head = &((struct elf_sh_link_hash_entry *) h)->dyn_relocs;
5661 else
5662 {
5663 asection *s;
5664
5665 /* Track dynamic relocs needed for local syms too. */
5666 s = bfd_section_from_r_symndx (abfd, &htab->sym_sec,
5667 sec, r_symndx);
5668 if (s == NULL)
5669 return false;
5670
5671 head = ((struct elf_sh_dyn_relocs **)
5672 &elf_section_data (s)->local_dynrel);
5673 }
5674
5675 p = *head;
5676 if (p == NULL || p->sec != sec)
5677 {
5678 bfd_size_type amt = sizeof (*p);
5679 p = ((struct elf_sh_dyn_relocs *) bfd_alloc (dynobj, amt));
5680 if (p == NULL)
5681 return false;
5682 p->next = *head;
5683 *head = p;
5684 p->sec = sec;
5685 p->count = 0;
5686 p->pc_count = 0;
5687 }
5688
5689 p->count += 1;
5690 if (ELF32_R_TYPE (rel->r_info) == R_SH_REL32)
5691 p->pc_count += 1;
5692 }
5693
5694 break;
5695 }
5696 }
5697
5698 return true;
5699 }
5700
5701 #ifndef sh_elf_set_mach_from_flags
5702 static boolean
5703 sh_elf_set_mach_from_flags (abfd)
5704 bfd *abfd;
5705 {
5706 flagword flags = elf_elfheader (abfd)->e_flags;
5707
5708 switch (flags & EF_SH_MACH_MASK)
5709 {
5710 case EF_SH1:
5711 bfd_default_set_arch_mach (abfd, bfd_arch_sh, bfd_mach_sh);
5712 break;
5713 case EF_SH2:
5714 bfd_default_set_arch_mach (abfd, bfd_arch_sh, bfd_mach_sh2);
5715 break;
5716 case EF_SH_DSP:
5717 bfd_default_set_arch_mach (abfd, bfd_arch_sh, bfd_mach_sh_dsp);
5718 break;
5719 case EF_SH3:
5720 bfd_default_set_arch_mach (abfd, bfd_arch_sh, bfd_mach_sh3);
5721 break;
5722 case EF_SH3_DSP:
5723 bfd_default_set_arch_mach (abfd, bfd_arch_sh, bfd_mach_sh3_dsp);
5724 break;
5725 case EF_SH3E:
5726 bfd_default_set_arch_mach (abfd, bfd_arch_sh, bfd_mach_sh3e);
5727 break;
5728 case EF_SH_UNKNOWN:
5729 case EF_SH4:
5730 bfd_default_set_arch_mach (abfd, bfd_arch_sh, bfd_mach_sh4);
5731 break;
5732 default:
5733 return false;
5734 }
5735 return true;
5736 }
5737 #endif /* not sh_elf_set_mach_from_flags */
5738
5739 #ifndef sh_elf_set_private_flags
5740 /* Function to keep SH specific file flags. */
5741
5742 static boolean
5743 sh_elf_set_private_flags (abfd, flags)
5744 bfd *abfd;
5745 flagword flags;
5746 {
5747 BFD_ASSERT (! elf_flags_init (abfd)
5748 || elf_elfheader (abfd)->e_flags == flags);
5749
5750 elf_elfheader (abfd)->e_flags = flags;
5751 elf_flags_init (abfd) = true;
5752 return sh_elf_set_mach_from_flags (abfd);
5753 }
5754 #endif /* not sh_elf_set_private_flags */
5755
5756 #ifndef sh_elf_copy_private_data
5757 /* Copy backend specific data from one object module to another */
5758
5759 static boolean
5760 sh_elf_copy_private_data (ibfd, obfd)
5761 bfd * ibfd;
5762 bfd * obfd;
5763 {
5764 if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour
5765 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
5766 return true;
5767
5768 return sh_elf_set_private_flags (obfd, elf_elfheader (ibfd)->e_flags);
5769 }
5770 #endif /* not sh_elf_copy_private_data */
5771
5772 #ifndef sh_elf_merge_private_data
5773 /* This routine checks for linking big and little endian objects
5774 together, and for linking sh-dsp with sh3e / sh4 objects. */
5775
5776 static boolean
5777 sh_elf_merge_private_data (ibfd, obfd)
5778 bfd *ibfd;
5779 bfd *obfd;
5780 {
5781 flagword old_flags, new_flags;
5782
5783 if (! _bfd_generic_verify_endian_match (ibfd, obfd))
5784 return false;
5785
5786 if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour
5787 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
5788 return true;
5789
5790 if (! elf_flags_init (obfd))
5791 {
5792 /* This happens when ld starts out with a 'blank' output file. */
5793 elf_flags_init (obfd) = true;
5794 elf_elfheader (obfd)->e_flags = EF_SH1;
5795 }
5796 old_flags = elf_elfheader (obfd)->e_flags;
5797 new_flags = elf_elfheader (ibfd)->e_flags;
5798 if ((EF_SH_HAS_DSP (old_flags) && EF_SH_HAS_FP (new_flags))
5799 || (EF_SH_HAS_DSP (new_flags) && EF_SH_HAS_FP (old_flags)))
5800 {
5801 (*_bfd_error_handler)
5802 ("%s: uses %s instructions while previous modules use %s instructions",
5803 bfd_archive_filename (ibfd),
5804 EF_SH_HAS_DSP (new_flags) ? "dsp" : "floating point",
5805 EF_SH_HAS_DSP (new_flags) ? "floating point" : "dsp");
5806 bfd_set_error (bfd_error_bad_value);
5807 return false;
5808 }
5809 elf_elfheader (obfd)->e_flags = EF_SH_MERGE_MACH (old_flags, new_flags);
5810
5811 return sh_elf_set_mach_from_flags (obfd);
5812 }
5813 #endif /* not sh_elf_merge_private_data */
5814
5815 /* Finish up dynamic symbol handling. We set the contents of various
5816 dynamic sections here. */
5817
5818 static boolean
5819 sh_elf_finish_dynamic_symbol (output_bfd, info, h, sym)
5820 bfd *output_bfd;
5821 struct bfd_link_info *info;
5822 struct elf_link_hash_entry *h;
5823 Elf_Internal_Sym *sym;
5824 {
5825 struct elf_sh_link_hash_table *htab;
5826 bfd *dynobj;
5827
5828 htab = sh_elf_hash_table (info);
5829 dynobj = htab->root.dynobj;
5830
5831 if (h->plt.offset != (bfd_vma) -1)
5832 {
5833 asection *splt;
5834 asection *sgot;
5835 asection *srel;
5836
5837 bfd_vma plt_index;
5838 bfd_vma got_offset;
5839 Elf_Internal_Rela rel;
5840
5841 /* This symbol has an entry in the procedure linkage table. Set
5842 it up. */
5843
5844 BFD_ASSERT (h->dynindx != -1);
5845
5846 splt = htab->splt;
5847 sgot = htab->sgotplt;
5848 srel = htab->srelplt;
5849 BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL);
5850
5851 /* Get the index in the procedure linkage table which
5852 corresponds to this symbol. This is the index of this symbol
5853 in all the symbols for which we are making plt entries. The
5854 first entry in the procedure linkage table is reserved. */
5855 plt_index = h->plt.offset / elf_sh_sizeof_plt (info) - 1;
5856
5857 /* Get the offset into the .got table of the entry that
5858 corresponds to this function. Each .got entry is 4 bytes.
5859 The first three are reserved. */
5860 got_offset = (plt_index + 3) * 4;
5861
5862 #ifdef GOT_BIAS
5863 if (info->shared)
5864 got_offset -= GOT_BIAS;
5865 #endif
5866
5867 /* Fill in the entry in the procedure linkage table. */
5868 if (! info->shared)
5869 {
5870 if (elf_sh_plt_entry == NULL)
5871 {
5872 elf_sh_plt_entry = (bfd_big_endian (output_bfd) ?
5873 elf_sh_plt_entry_be : elf_sh_plt_entry_le);
5874 }
5875 memcpy (splt->contents + h->plt.offset, elf_sh_plt_entry,
5876 elf_sh_sizeof_plt (info));
5877 #ifdef INCLUDE_SHMEDIA
5878 movi_shori_putval (output_bfd,
5879 (sgot->output_section->vma
5880 + sgot->output_offset
5881 + got_offset),
5882 (splt->contents + h->plt.offset
5883 + elf_sh_plt_symbol_offset (info)));
5884
5885 /* Set bottom bit because its for a branch to SHmedia */
5886 movi_shori_putval (output_bfd,
5887 (splt->output_section->vma + splt->output_offset)
5888 | 1,
5889 (splt->contents + h->plt.offset
5890 + elf_sh_plt_plt0_offset (info)));
5891 #else
5892 bfd_put_32 (output_bfd,
5893 (sgot->output_section->vma
5894 + sgot->output_offset
5895 + got_offset),
5896 (splt->contents + h->plt.offset
5897 + elf_sh_plt_symbol_offset (info)));
5898
5899 bfd_put_32 (output_bfd,
5900 (splt->output_section->vma + splt->output_offset),
5901 (splt->contents + h->plt.offset
5902 + elf_sh_plt_plt0_offset (info)));
5903 #endif
5904 }
5905 else
5906 {
5907 if (elf_sh_pic_plt_entry == NULL)
5908 {
5909 elf_sh_pic_plt_entry = (bfd_big_endian (output_bfd) ?
5910 elf_sh_pic_plt_entry_be :
5911 elf_sh_pic_plt_entry_le);
5912 }
5913 memcpy (splt->contents + h->plt.offset, elf_sh_pic_plt_entry,
5914 elf_sh_sizeof_plt (info));
5915 #ifdef INCLUDE_SHMEDIA
5916 movi_shori_putval (output_bfd, got_offset,
5917 (splt->contents + h->plt.offset
5918 + elf_sh_plt_symbol_offset (info)));
5919 #else
5920 bfd_put_32 (output_bfd, got_offset,
5921 (splt->contents + h->plt.offset
5922 + elf_sh_plt_symbol_offset (info)));
5923 #endif
5924 }
5925
5926 #ifdef GOT_BIAS
5927 if (info->shared)
5928 got_offset += GOT_BIAS;
5929 #endif
5930
5931 #ifdef INCLUDE_SHMEDIA
5932 movi_shori_putval (output_bfd,
5933 plt_index * sizeof (Elf32_External_Rela),
5934 (splt->contents + h->plt.offset
5935 + elf_sh_plt_reloc_offset (info)));
5936 #else
5937 bfd_put_32 (output_bfd, plt_index * sizeof (Elf32_External_Rela),
5938 (splt->contents + h->plt.offset
5939 + elf_sh_plt_reloc_offset (info)));
5940 #endif
5941
5942 /* Fill in the entry in the global offset table. */
5943 bfd_put_32 (output_bfd,
5944 (splt->output_section->vma
5945 + splt->output_offset
5946 + h->plt.offset
5947 + elf_sh_plt_temp_offset (info)),
5948 sgot->contents + got_offset);
5949
5950 /* Fill in the entry in the .rela.plt section. */
5951 rel.r_offset = (sgot->output_section->vma
5952 + sgot->output_offset
5953 + got_offset);
5954 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_JMP_SLOT);
5955 rel.r_addend = 0;
5956 #ifdef GOT_BIAS
5957 rel.r_addend = GOT_BIAS;
5958 #endif
5959 bfd_elf32_swap_reloca_out (output_bfd, &rel,
5960 ((Elf32_External_Rela *) srel->contents
5961 + plt_index));
5962
5963 if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
5964 {
5965 /* Mark the symbol as undefined, rather than as defined in
5966 the .plt section. Leave the value alone. */
5967 sym->st_shndx = SHN_UNDEF;
5968 }
5969 }
5970
5971 if (h->got.offset != (bfd_vma) -1)
5972 {
5973 asection *sgot;
5974 asection *srel;
5975 Elf_Internal_Rela rel;
5976
5977 /* This symbol has an entry in the global offset table. Set it
5978 up. */
5979
5980 sgot = htab->sgot;
5981 srel = htab->srelgot;
5982 BFD_ASSERT (sgot != NULL && srel != NULL);
5983
5984 rel.r_offset = (sgot->output_section->vma
5985 + sgot->output_offset
5986 + (h->got.offset &~ (bfd_vma) 1));
5987
5988 /* If this is a static link, or it is a -Bsymbolic link and the
5989 symbol is defined locally or was forced to be local because
5990 of a version file, we just want to emit a RELATIVE reloc.
5991 The entry in the global offset table will already have been
5992 initialized in the relocate_section function. */
5993 if (info->shared
5994 && (info->symbolic
5995 || h->dynindx == -1
5996 || (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL))
5997 && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR))
5998 {
5999 rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
6000 rel.r_addend = (h->root.u.def.value
6001 + h->root.u.def.section->output_section->vma
6002 + h->root.u.def.section->output_offset);
6003 }
6004 else
6005 {
6006 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
6007 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT);
6008 rel.r_addend = 0;
6009 }
6010
6011 bfd_elf32_swap_reloca_out (output_bfd, &rel,
6012 ((Elf32_External_Rela *) srel->contents
6013 + srel->reloc_count));
6014 ++srel->reloc_count;
6015 }
6016
6017 if ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_COPY) != 0)
6018 {
6019 asection *s;
6020 Elf_Internal_Rela rel;
6021
6022 /* This symbol needs a copy reloc. Set it up. */
6023
6024 BFD_ASSERT (h->dynindx != -1
6025 && (h->root.type == bfd_link_hash_defined
6026 || h->root.type == bfd_link_hash_defweak));
6027
6028 s = bfd_get_section_by_name (h->root.u.def.section->owner,
6029 ".rela.bss");
6030 BFD_ASSERT (s != NULL);
6031
6032 rel.r_offset = (h->root.u.def.value
6033 + h->root.u.def.section->output_section->vma
6034 + h->root.u.def.section->output_offset);
6035 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_COPY);
6036 rel.r_addend = 0;
6037 bfd_elf32_swap_reloca_out (output_bfd, &rel,
6038 ((Elf32_External_Rela *) s->contents
6039 + s->reloc_count));
6040 ++s->reloc_count;
6041 }
6042
6043 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */
6044 if (strcmp (h->root.root.string, "_DYNAMIC") == 0
6045 || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
6046 sym->st_shndx = SHN_ABS;
6047
6048 return true;
6049 }
6050
6051 /* Finish up the dynamic sections. */
6052
6053 static boolean
6054 sh_elf_finish_dynamic_sections (output_bfd, info)
6055 bfd *output_bfd;
6056 struct bfd_link_info *info;
6057 {
6058 struct elf_sh_link_hash_table *htab;
6059 bfd *dynobj;
6060 asection *sgot;
6061 asection *sdyn;
6062
6063 htab = sh_elf_hash_table (info);
6064 dynobj = htab->root.dynobj;
6065
6066 sgot = htab->sgotplt;
6067 sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
6068
6069 if (htab->root.dynamic_sections_created)
6070 {
6071 asection *splt;
6072 Elf32_External_Dyn *dyncon, *dynconend;
6073
6074 BFD_ASSERT (sgot != NULL && sdyn != NULL);
6075
6076 dyncon = (Elf32_External_Dyn *) sdyn->contents;
6077 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->_raw_size);
6078 for (; dyncon < dynconend; dyncon++)
6079 {
6080 Elf_Internal_Dyn dyn;
6081 asection *s;
6082 #ifdef INCLUDE_SHMEDIA
6083 const char *name;
6084 #endif
6085
6086 bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
6087
6088 switch (dyn.d_tag)
6089 {
6090 default:
6091 break;
6092
6093 #ifdef INCLUDE_SHMEDIA
6094 case DT_INIT:
6095 name = info->init_function;
6096 goto get_sym;
6097
6098 case DT_FINI:
6099 name = info->fini_function;
6100 get_sym:
6101 if (dyn.d_un.d_val != 0)
6102 {
6103 struct elf_link_hash_entry *h;
6104
6105 h = elf_link_hash_lookup (&htab->root, name,
6106 false, false, true);
6107 if (h != NULL && (h->other & STO_SH5_ISA32))
6108 {
6109 dyn.d_un.d_val |= 1;
6110 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
6111 }
6112 }
6113 break;
6114 #endif
6115
6116 case DT_PLTGOT:
6117 s = htab->sgot->output_section;
6118 goto get_vma;
6119
6120 case DT_JMPREL:
6121 s = htab->srelplt->output_section;
6122 get_vma:
6123 BFD_ASSERT (s != NULL);
6124 dyn.d_un.d_ptr = s->vma;
6125 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
6126 break;
6127
6128 case DT_PLTRELSZ:
6129 s = htab->srelplt->output_section;
6130 BFD_ASSERT (s != NULL);
6131 if (s->_cooked_size != 0)
6132 dyn.d_un.d_val = s->_cooked_size;
6133 else
6134 dyn.d_un.d_val = s->_raw_size;
6135 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
6136 break;
6137
6138 case DT_RELASZ:
6139 /* My reading of the SVR4 ABI indicates that the
6140 procedure linkage table relocs (DT_JMPREL) should be
6141 included in the overall relocs (DT_RELA). This is
6142 what Solaris does. However, UnixWare can not handle
6143 that case. Therefore, we override the DT_RELASZ entry
6144 here to make it not include the JMPREL relocs. Since
6145 the linker script arranges for .rela.plt to follow all
6146 other relocation sections, we don't have to worry
6147 about changing the DT_RELA entry. */
6148 if (htab->srelplt != NULL)
6149 {
6150 s = htab->srelplt->output_section;
6151 if (s->_cooked_size != 0)
6152 dyn.d_un.d_val -= s->_cooked_size;
6153 else
6154 dyn.d_un.d_val -= s->_raw_size;
6155 }
6156 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
6157 break;
6158 }
6159 }
6160
6161 /* Fill in the first entry in the procedure linkage table. */
6162 splt = htab->splt;
6163 if (splt && splt->_raw_size > 0)
6164 {
6165 if (info->shared)
6166 {
6167 if (elf_sh_pic_plt_entry == NULL)
6168 {
6169 elf_sh_pic_plt_entry = (bfd_big_endian (output_bfd) ?
6170 elf_sh_pic_plt_entry_be :
6171 elf_sh_pic_plt_entry_le);
6172 }
6173 memcpy (splt->contents, elf_sh_pic_plt_entry,
6174 elf_sh_sizeof_plt (info));
6175 }
6176 else
6177 {
6178 if (elf_sh_plt0_entry == NULL)
6179 {
6180 elf_sh_plt0_entry = (bfd_big_endian (output_bfd) ?
6181 elf_sh_plt0_entry_be :
6182 elf_sh_plt0_entry_le);
6183 }
6184 memcpy (splt->contents, elf_sh_plt0_entry, PLT_ENTRY_SIZE);
6185 #ifdef INCLUDE_SHMEDIA
6186 movi_shori_putval (output_bfd,
6187 sgot->output_section->vma
6188 + sgot->output_offset,
6189 splt->contents
6190 + elf_sh_plt0_gotplt_offset (info));
6191 #else
6192 bfd_put_32 (output_bfd,
6193 sgot->output_section->vma + sgot->output_offset + 4,
6194 splt->contents + elf_sh_plt0_gotid_offset (info));
6195 bfd_put_32 (output_bfd,
6196 sgot->output_section->vma + sgot->output_offset + 8,
6197 splt->contents + elf_sh_plt0_linker_offset (info));
6198 #endif
6199 }
6200
6201 /* UnixWare sets the entsize of .plt to 4, although that doesn't
6202 really seem like the right value. */
6203 elf_section_data (splt->output_section)->this_hdr.sh_entsize = 4;
6204 }
6205 }
6206
6207 /* Fill in the first three entries in the global offset table. */
6208 if (sgot && sgot->_raw_size > 0)
6209 {
6210 if (sdyn == NULL)
6211 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents);
6212 else
6213 bfd_put_32 (output_bfd,
6214 sdyn->output_section->vma + sdyn->output_offset,
6215 sgot->contents);
6216 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 4);
6217 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 8);
6218
6219 elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
6220 }
6221
6222 return true;
6223 }
6224
6225 static enum elf_reloc_type_class
6226 sh_elf_reloc_type_class (rela)
6227 const Elf_Internal_Rela *rela;
6228 {
6229 switch ((int) ELF32_R_TYPE (rela->r_info))
6230 {
6231 case R_SH_RELATIVE:
6232 return reloc_class_relative;
6233 case R_SH_JMP_SLOT:
6234 return reloc_class_plt;
6235 case R_SH_COPY:
6236 return reloc_class_copy;
6237 default:
6238 return reloc_class_normal;
6239 }
6240 }
6241
6242 #ifndef ELF_ARCH
6243 #define TARGET_BIG_SYM bfd_elf32_sh_vec
6244 #define TARGET_BIG_NAME "elf32-sh"
6245 #define TARGET_LITTLE_SYM bfd_elf32_shl_vec
6246 #define TARGET_LITTLE_NAME "elf32-shl"
6247 #define ELF_ARCH bfd_arch_sh
6248 #define ELF_MACHINE_CODE EM_SH
6249 #define ELF_MAXPAGESIZE 128
6250
6251 #define elf_symbol_leading_char '_'
6252 #endif /* ELF_ARCH */
6253
6254 #define bfd_elf32_bfd_reloc_type_lookup sh_elf_reloc_type_lookup
6255 #define elf_info_to_howto sh_elf_info_to_howto
6256 #define bfd_elf32_bfd_relax_section sh_elf_relax_section
6257 #define elf_backend_relocate_section sh_elf_relocate_section
6258 #define bfd_elf32_bfd_get_relocated_section_contents \
6259 sh_elf_get_relocated_section_contents
6260 #define elf_backend_object_p sh_elf_set_mach_from_flags
6261 #define bfd_elf32_bfd_set_private_bfd_flags \
6262 sh_elf_set_private_flags
6263 #define bfd_elf32_bfd_copy_private_bfd_data \
6264 sh_elf_copy_private_data
6265 #define bfd_elf32_bfd_merge_private_bfd_data \
6266 sh_elf_merge_private_data
6267
6268 #define elf_backend_gc_mark_hook sh_elf_gc_mark_hook
6269 #define elf_backend_gc_sweep_hook sh_elf_gc_sweep_hook
6270 #define elf_backend_check_relocs sh_elf_check_relocs
6271 #define elf_backend_copy_indirect_symbol \
6272 sh_elf_copy_indirect_symbol
6273 #define elf_backend_create_dynamic_sections \
6274 sh_elf_create_dynamic_sections
6275 #define bfd_elf32_bfd_link_hash_table_create \
6276 sh_elf_link_hash_table_create
6277 #define elf_backend_adjust_dynamic_symbol \
6278 sh_elf_adjust_dynamic_symbol
6279 #define elf_backend_size_dynamic_sections \
6280 sh_elf_size_dynamic_sections
6281 #define elf_backend_finish_dynamic_symbol \
6282 sh_elf_finish_dynamic_symbol
6283 #define elf_backend_finish_dynamic_sections \
6284 sh_elf_finish_dynamic_sections
6285 #define elf_backend_reloc_type_class sh_elf_reloc_type_class
6286
6287 #define elf_backend_can_gc_sections 1
6288 #define elf_backend_can_refcount 1
6289 #define elf_backend_want_got_plt 1
6290 #define elf_backend_plt_readonly 1
6291 #define elf_backend_want_plt_sym 0
6292 #define elf_backend_got_header_size 12
6293 #define elf_backend_plt_header_size PLT_ENTRY_SIZE
6294
6295 #ifndef ELF32_SH_C_INCLUDED
6296 #include "elf32-target.h"
6297 #endif
6298
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