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Mention PR ld/12327 in ChangeLog entry.
[binutils.git] / bfd / elf32-v850.c
blob29b2311b181679570105ea1d8512b3ba02a1c74f
1 /* V850-specific support for 32-bit ELF
2 Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
3 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
4
5 This file is part of BFD, the Binary File Descriptor library.
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
20 MA 02110-1301, USA. */
21
22
23 /* XXX FIXME: This code is littered with 32bit int, 16bit short, 8bit char
24 dependencies. As is the gas & simulator code for the v850. */
25
26 #include "sysdep.h"
27 #include "bfd.h"
28 #include "bfdlink.h"
29 #include "libbfd.h"
30 #include "elf-bfd.h"
31 #include "elf/v850.h"
32 #include "libiberty.h"
33
34 /* Sign-extend a 17-bit number. */
35 #define SEXT17(x) ((((x) & 0x1ffff) ^ 0x10000) - 0x10000)
36
37 /* Sign-extend a 22-bit number. */
38 #define SEXT22(x) ((((x) & 0x3fffff) ^ 0x200000) - 0x200000)
39
40 static reloc_howto_type v850_elf_howto_table[];
41
42 /* Look through the relocs for a section during the first phase, and
43 allocate space in the global offset table or procedure linkage
44 table. */
45
46 static bfd_boolean
47 v850_elf_check_relocs (bfd *abfd,
48 struct bfd_link_info *info,
49 asection *sec,
50 const Elf_Internal_Rela *relocs)
51 {
52 bfd_boolean ret = TRUE;
53 Elf_Internal_Shdr *symtab_hdr;
54 struct elf_link_hash_entry **sym_hashes;
55 const Elf_Internal_Rela *rel;
56 const Elf_Internal_Rela *rel_end;
57 enum v850_reloc_type r_type;
58 int other = 0;
59 const char *common = NULL;
60
61 if (info->relocatable)
62 return TRUE;
63
64 #ifdef DEBUG
65 _bfd_error_handler ("v850_elf_check_relocs called for section %A in %B",
66 sec, abfd);
67 #endif
68
69 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
70 sym_hashes = elf_sym_hashes (abfd);
71
72 rel_end = relocs + sec->reloc_count;
73 for (rel = relocs; rel < rel_end; rel++)
74 {
75 unsigned long r_symndx;
76 struct elf_link_hash_entry *h;
77
78 r_symndx = ELF32_R_SYM (rel->r_info);
79 if (r_symndx < symtab_hdr->sh_info)
80 h = NULL;
81 else
82 {
83 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
84 while (h->root.type == bfd_link_hash_indirect
85 || h->root.type == bfd_link_hash_warning)
86 h = (struct elf_link_hash_entry *) h->root.u.i.link;
87 }
88
89 r_type = (enum v850_reloc_type) ELF32_R_TYPE (rel->r_info);
90 switch (r_type)
91 {
92 default:
93 case R_V850_NONE:
94 case R_V850_9_PCREL:
95 case R_V850_16_PCREL:
96 case R_V850_17_PCREL:
97 case R_V850_22_PCREL:
98 case R_V850_32_PCREL:
99 case R_V850_32_ABS:
100 case R_V850_HI16:
101 case R_V850_HI16_S:
102 case R_V850_LO16:
103 case R_V850_LO16_S1:
104 case R_V850_LO16_SPLIT_OFFSET:
105 case R_V850_23:
106 case R_V850_ABS32:
107 case R_V850_REL32:
108 case R_V850_16:
109 case R_V850_16_S1:
110 case R_V850_16_SPLIT_OFFSET:
111 case R_V850_8:
112 case R_V850_CALLT_6_7_OFFSET:
113 case R_V850_CALLT_15_16_OFFSET:
114 case R_V850_CALLT_16_16_OFFSET:
115 break;
116
117 /* This relocation describes the C++ object vtable hierarchy.
118 Reconstruct it for later use during GC. */
119 case R_V850_GNU_VTINHERIT:
120 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
121 return FALSE;
122 break;
123
124 /* This relocation describes which C++ vtable entries
125 are actually used. Record for later use during GC. */
126 case R_V850_GNU_VTENTRY:
127 BFD_ASSERT (h != NULL);
128 if (h != NULL
129 && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
130 return FALSE;
131 break;
132
133 case R_V850_SDA_16_16_SPLIT_OFFSET:
134 case R_V850_SDA_16_16_OFFSET:
135 case R_V850_SDA_15_16_OFFSET:
136 other = V850_OTHER_SDA;
137 common = ".scommon";
138 goto small_data_common;
139
140 case R_V850_ZDA_16_16_SPLIT_OFFSET:
141 case R_V850_ZDA_16_16_OFFSET:
142 case R_V850_ZDA_15_16_OFFSET:
143 other = V850_OTHER_ZDA;
144 common = ".zcommon";
145 goto small_data_common;
146
147 case R_V850_TDA_4_4_OFFSET:
148 case R_V850_TDA_4_5_OFFSET:
149 case R_V850_TDA_7_7_OFFSET:
150 case R_V850_TDA_6_8_OFFSET:
151 case R_V850_TDA_7_8_OFFSET:
152 case R_V850_TDA_16_16_OFFSET:
153 other = V850_OTHER_TDA;
154 common = ".tcommon";
155 /* fall through */
156
157 #define V850_OTHER_MASK (V850_OTHER_TDA | V850_OTHER_SDA | V850_OTHER_ZDA)
158
159 small_data_common:
160 if (h)
161 {
162 /* Flag which type of relocation was used. */
163 h->other |= other;
164 if ((h->other & V850_OTHER_MASK) != (other & V850_OTHER_MASK)
165 && (h->other & V850_OTHER_ERROR) == 0)
166 {
167 const char * msg;
168 static char buff[200]; /* XXX */
169
170 switch (h->other & V850_OTHER_MASK)
171 {
172 default:
173 msg = _("Variable `%s' cannot occupy in multiple small data regions");
174 break;
175 case V850_OTHER_SDA | V850_OTHER_ZDA | V850_OTHER_TDA:
176 msg = _("Variable `%s' can only be in one of the small, zero, and tiny data regions");
177 break;
178 case V850_OTHER_SDA | V850_OTHER_ZDA:
179 msg = _("Variable `%s' cannot be in both small and zero data regions simultaneously");
180 break;
181 case V850_OTHER_SDA | V850_OTHER_TDA:
182 msg = _("Variable `%s' cannot be in both small and tiny data regions simultaneously");
183 break;
184 case V850_OTHER_ZDA | V850_OTHER_TDA:
185 msg = _("Variable `%s' cannot be in both zero and tiny data regions simultaneously");
186 break;
187 }
188
189 sprintf (buff, msg, h->root.root.string);
190 info->callbacks->warning (info, buff, h->root.root.string,
191 abfd, h->root.u.def.section,
192 (bfd_vma) 0);
193
194 bfd_set_error (bfd_error_bad_value);
195 h->other |= V850_OTHER_ERROR;
196 ret = FALSE;
197 }
198 }
199
200 if (h && h->root.type == bfd_link_hash_common
201 && h->root.u.c.p
202 && !strcmp (bfd_get_section_name (abfd, h->root.u.c.p->section), "COMMON"))
203 {
204 asection * section;
205
206 section = h->root.u.c.p->section = bfd_make_section_old_way (abfd, common);
207 section->flags |= SEC_IS_COMMON;
208 }
209
210 #ifdef DEBUG
211 fprintf (stderr, "v850_elf_check_relocs, found %s relocation for %s%s\n",
212 v850_elf_howto_table[ (int)r_type ].name,
213 (h && h->root.root.string) ? h->root.root.string : "<unknown>",
214 (h->root.type == bfd_link_hash_common) ? ", symbol is common" : "");
215 #endif
216 break;
217 }
218 }
219
220 return ret;
221 }
222
223 /* In the old version, when an entry was checked out from the table,
224 it was deleted. This produced an error if the entry was needed
225 more than once, as the second attempted retry failed.
226
227 In the current version, the entry is not deleted, instead we set
228 the field 'found' to TRUE. If a second lookup matches the same
229 entry, then we know that the hi16s reloc has already been updated
230 and does not need to be updated a second time.
231
232 TODO - TOFIX: If it is possible that we need to restore 2 different
233 addresses from the same table entry, where the first generates an
234 overflow, whilst the second do not, then this code will fail. */
235
236 typedef struct hi16s_location
237 {
238 bfd_vma addend;
239 bfd_byte * address;
240 unsigned long counter;
241 bfd_boolean found;
242 struct hi16s_location * next;
243 }
244 hi16s_location;
245
246 static hi16s_location * previous_hi16s;
247 static hi16s_location * free_hi16s;
248 static unsigned long hi16s_counter;
249
250 static void
251 remember_hi16s_reloc (bfd *abfd, bfd_vma addend, bfd_byte *address)
252 {
253 hi16s_location * entry = NULL;
254 bfd_size_type amt = sizeof (* free_hi16s);
255
256 /* Find a free structure. */
257 if (free_hi16s == NULL)
258 free_hi16s = bfd_zalloc (abfd, amt);
259
260 entry = free_hi16s;
261 free_hi16s = free_hi16s->next;
262
263 entry->addend = addend;
264 entry->address = address;
265 entry->counter = hi16s_counter ++;
266 entry->found = FALSE;
267 entry->next = previous_hi16s;
268 previous_hi16s = entry;
269
270 /* Cope with wrap around of our counter. */
271 if (hi16s_counter == 0)
272 {
273 /* XXX: Assume that all counter entries differ only in their low 16 bits. */
274 for (entry = previous_hi16s; entry != NULL; entry = entry->next)
275 entry->counter &= 0xffff;
276
277 hi16s_counter = 0x10000;
278 }
279 }
280
281 static bfd_byte *
282 find_remembered_hi16s_reloc (bfd_vma addend, bfd_boolean *already_found)
283 {
284 hi16s_location *match = NULL;
285 hi16s_location *entry;
286 bfd_byte *addr;
287
288 /* Search the table. Record the most recent entry that matches. */
289 for (entry = previous_hi16s; entry; entry = entry->next)
290 {
291 if (entry->addend == addend
292 && (match == NULL || match->counter < entry->counter))
293 {
294 match = entry;
295 }
296 }
297
298 if (match == NULL)
299 return NULL;
300
301 /* Extract the address. */
302 addr = match->address;
303
304 /* Remember if this entry has already been used before. */
305 if (already_found)
306 * already_found = match->found;
307
308 /* Note that this entry has now been used. */
309 match->found = TRUE;
310
311 return addr;
312 }
313
314 /* Calculate the final operand value for a R_V850_LO16 or
315 R_V850_LO16_SPLIT_OFFSET. *INSN is the current operand value and
316 ADDEND is the sum of the relocation symbol and offset. Store the
317 operand value in *INSN and return true on success.
318
319 The assembler has already done some of this: If the value stored in
320 the instruction has its 15th bit set, (counting from zero) then the
321 assembler will have added 1 to the value stored in the associated
322 HI16S reloc. So for example, these relocations:
323
324 movhi hi( fred ), r0, r1
325 movea lo( fred ), r1, r1
326
327 will store 0 in the value fields for the MOVHI and MOVEA instructions
328 and addend will be the address of fred, but for these instructions:
329
330 movhi hi( fred + 0x123456 ), r0, r1
331 movea lo( fred + 0x123456 ), r1, r1
332
333 the value stored in the MOVHI instruction will be 0x12 and the value
334 stored in the MOVEA instruction will be 0x3456. If however the
335 instructions were:
336
337 movhi hi( fred + 0x10ffff ), r0, r1
338 movea lo( fred + 0x10ffff ), r1, r1
339
340 then the value stored in the MOVHI instruction would be 0x11 (not
341 0x10) and the value stored in the MOVEA instruction would be 0xffff.
342 Thus (assuming for the moment that the addend is 0), at run time the
343 MOVHI instruction loads 0x110000 into r1, then the MOVEA instruction
344 adds 0xffffffff (sign extension!) producing 0x10ffff. Similarly if
345 the instructions were:
346
347 movhi hi( fred - 1 ), r0, r1
348 movea lo( fred - 1 ), r1, r1
349
350 then 0 is stored in the MOVHI instruction and -1 is stored in the
351 MOVEA instruction.
352
353 Overflow can occur if the addition of the value stored in the
354 instruction plus the addend sets the 15th bit when before it was clear.
355 This is because the 15th bit will be sign extended into the high part,
356 thus reducing its value by one, but since the 15th bit was originally
357 clear, the assembler will not have added 1 to the previous HI16S reloc
358 to compensate for this effect. For example:
359
360 movhi hi( fred + 0x123456 ), r0, r1
361 movea lo( fred + 0x123456 ), r1, r1
362
363 The value stored in HI16S reloc is 0x12, the value stored in the LO16
364 reloc is 0x3456. If we assume that the address of fred is 0x00007000
365 then the relocations become:
366
367 HI16S: 0x0012 + (0x00007000 >> 16) = 0x12
368 LO16: 0x3456 + (0x00007000 & 0xffff) = 0xa456
369
370 but when the instructions are executed, the MOVEA instruction's value
371 is signed extended, so the sum becomes:
372
373 0x00120000
374 + 0xffffa456
375 ------------
376 0x0011a456 but 'fred + 0x123456' = 0x0012a456
377
378 Note that if the 15th bit was set in the value stored in the LO16
379 reloc, then we do not have to do anything:
380
381 movhi hi( fred + 0x10ffff ), r0, r1
382 movea lo( fred + 0x10ffff ), r1, r1
383
384 HI16S: 0x0011 + (0x00007000 >> 16) = 0x11
385 LO16: 0xffff + (0x00007000 & 0xffff) = 0x6fff
386
387 0x00110000
388 + 0x00006fff
389 ------------
390 0x00116fff = fred + 0x10ffff = 0x7000 + 0x10ffff
391
392 Overflow can also occur if the computation carries into the 16th bit
393 and it also results in the 15th bit having the same value as the 15th
394 bit of the original value. What happens is that the HI16S reloc
395 will have already examined the 15th bit of the original value and
396 added 1 to the high part if the bit is set. This compensates for the
397 sign extension of 15th bit of the result of the computation. But now
398 there is a carry into the 16th bit, and this has not been allowed for.
399
400 So, for example if fred is at address 0xf000:
401
402 movhi hi( fred + 0xffff ), r0, r1 [bit 15 of the offset is set]
403 movea lo( fred + 0xffff ), r1, r1
404
405 HI16S: 0x0001 + (0x0000f000 >> 16) = 0x0001
406 LO16: 0xffff + (0x0000f000 & 0xffff) = 0xefff (carry into bit 16 is lost)
407
408 0x00010000
409 + 0xffffefff
410 ------------
411 0x0000efff but 'fred + 0xffff' = 0x0001efff
412
413 Similarly, if the 15th bit remains clear, but overflow occurs into
414 the 16th bit then (assuming the address of fred is 0xf000):
415
416 movhi hi( fred + 0x7000 ), r0, r1 [bit 15 of the offset is clear]
417 movea lo( fred + 0x7000 ), r1, r1
418
419 HI16S: 0x0000 + (0x0000f000 >> 16) = 0x0000
420 LO16: 0x7000 + (0x0000f000 & 0xffff) = 0x6fff (carry into bit 16 is lost)
421
422 0x00000000
423 + 0x00006fff
424 ------------
425 0x00006fff but 'fred + 0x7000' = 0x00016fff
426
427 Note - there is no need to change anything if a carry occurs, and the
428 15th bit changes its value from being set to being clear, as the HI16S
429 reloc will have already added in 1 to the high part for us:
430
431 movhi hi( fred + 0xffff ), r0, r1 [bit 15 of the offset is set]
432 movea lo( fred + 0xffff ), r1, r1
433
434 HI16S: 0x0001 + (0x00007000 >> 16)
435 LO16: 0xffff + (0x00007000 & 0xffff) = 0x6fff (carry into bit 16 is lost)
436
437 0x00010000
438 + 0x00006fff (bit 15 not set, so the top half is zero)
439 ------------
440 0x00016fff which is right (assuming that fred is at 0x7000)
441
442 but if the 15th bit goes from being clear to being set, then we must
443 once again handle overflow:
444
445 movhi hi( fred + 0x7000 ), r0, r1 [bit 15 of the offset is clear]
446 movea lo( fred + 0x7000 ), r1, r1
447
448 HI16S: 0x0000 + (0x0000ffff >> 16)
449 LO16: 0x7000 + (0x0000ffff & 0xffff) = 0x6fff (carry into bit 16)
450
451 0x00000000
452 + 0x00006fff (bit 15 not set, so the top half is zero)
453 ------------
454 0x00006fff which is wrong (assuming that fred is at 0xffff). */
455
456 static bfd_boolean
457 v850_elf_perform_lo16_relocation (bfd *abfd, unsigned long *insn,
458 unsigned long addend)
459 {
460 #define BIT15_SET(x) ((x) & 0x8000)
461 #define OVERFLOWS(a,i) ((((a) & 0xffff) + (i)) > 0xffff)
462
463 if ((BIT15_SET (*insn + addend) && ! BIT15_SET (addend))
464 || (OVERFLOWS (addend, *insn)
465 && ((! BIT15_SET (*insn)) || (BIT15_SET (addend)))))
466 {
467 bfd_boolean already_updated;
468 bfd_byte *hi16s_address = find_remembered_hi16s_reloc
469 (addend, & already_updated);
470
471 /* Amend the matching HI16_S relocation. */
472 if (hi16s_address != NULL)
473 {
474 if (! already_updated)
475 {
476 unsigned long hi_insn = bfd_get_16 (abfd, hi16s_address);
477 hi_insn += 1;
478 bfd_put_16 (abfd, hi_insn, hi16s_address);
479 }
480 }
481 else
482 {
483 fprintf (stderr, _("FAILED to find previous HI16 reloc\n"));
484 return FALSE;
485 }
486 }
487 #undef OVERFLOWS
488 #undef BIT15_SET
489
490 /* Do not complain if value has top bit set, as this has been
491 anticipated. */
492 *insn = (*insn + addend) & 0xffff;
493 return TRUE;
494 }
495
496 /* FIXME: The code here probably ought to be removed and the code in reloc.c
497 allowed to do its stuff instead. At least for most of the relocs, anyway. */
498
499 static bfd_reloc_status_type
500 v850_elf_perform_relocation (bfd *abfd,
501 unsigned int r_type,
502 bfd_vma addend,
503 bfd_byte *address)
504 {
505 unsigned long insn;
506 unsigned long result;
507 bfd_signed_vma saddend = (bfd_signed_vma) addend;
508
509 switch (r_type)
510 {
511 default:
512 return bfd_reloc_notsupported;
513
514 case R_V850_REL32:
515 case R_V850_ABS32:
516 bfd_put_32 (abfd, addend, address);
517 return bfd_reloc_ok;
518
519 case R_V850_23:
520 insn = bfd_get_32 (abfd, address);
521 insn &= ~((0x7f << 4) | (0x7fff80 << (16-7)));
522 insn |= ((addend & 0x7f) << 4) | ((addend & 0x7fff80) << (16-7));
523 bfd_put_32 (abfd, (bfd_vma) insn, address);
524 return bfd_reloc_ok;
525
526 case R_V850_22_PCREL:
527 if (saddend > 0x1fffff || saddend < -0x200000)
528 return bfd_reloc_overflow;
529
530 if ((addend % 2) != 0)
531 return bfd_reloc_dangerous;
532
533 insn = bfd_get_32 (abfd, address);
534 insn &= ~0xfffe003f;
535 insn |= (((addend & 0xfffe) << 16) | ((addend & 0x3f0000) >> 16));
536 bfd_put_32 (abfd, (bfd_vma) insn, address);
537 return bfd_reloc_ok;
538
539 case R_V850_17_PCREL:
540 if (saddend > 0xffff || saddend < -0x10000)
541 return bfd_reloc_overflow;
542
543 if ((addend % 2) != 0)
544 return bfd_reloc_dangerous;
545
546 insn = bfd_get_32 (abfd, address);
547 insn &= ~ 0xfffe0010;
548 insn |= ((addend & 0xfffe) << 16) | ((addend & 0x10000) >> (16-4));
549 break;
550
551 case R_V850_16_PCREL:
552 if ((saddend < -0xffff) || (saddend > 0))
553 return bfd_reloc_overflow;
554
555 if ((addend % 2) != 0)
556 return bfd_reloc_dangerous;
557
558 insn = bfd_get_16 (abfd, address);
559 insn &= ~0xfffe;
560 insn |= (-addend & 0xfffe);
561 break;
562
563 case R_V850_9_PCREL:
564 if (saddend > 0xff || saddend < -0x100)
565 return bfd_reloc_overflow;
566
567 if ((addend % 2) != 0)
568 return bfd_reloc_dangerous;
569
570 insn = bfd_get_16 (abfd, address);
571 insn &= ~ 0xf870;
572 insn |= ((addend & 0x1f0) << 7) | ((addend & 0x0e) << 3);
573 break;
574
575 case R_V850_HI16:
576 addend += (bfd_get_16 (abfd, address) << 16);
577 addend = (addend >> 16);
578 insn = addend;
579 break;
580
581 case R_V850_HI16_S:
582 /* Remember where this relocation took place. */
583 remember_hi16s_reloc (abfd, addend, address);
584
585 addend += (bfd_get_16 (abfd, address) << 16);
586 addend = (addend >> 16) + ((addend & 0x8000) != 0);
587
588 /* This relocation cannot overflow. */
589 if (addend > 0xffff)
590 addend = 0;
591
592 insn = addend;
593 break;
594
595 case R_V850_LO16:
596 insn = bfd_get_16 (abfd, address);
597 if (! v850_elf_perform_lo16_relocation (abfd, &insn, addend))
598 return bfd_reloc_overflow;
599 break;
600
601 case R_V850_8:
602 addend += (char) bfd_get_8 (abfd, address);
603
604 saddend = (bfd_signed_vma) addend;
605
606 if (saddend > 0x7f || saddend < -0x80)
607 return bfd_reloc_overflow;
608
609 bfd_put_8 (abfd, addend, address);
610 return bfd_reloc_ok;
611
612 case R_V850_CALLT_16_16_OFFSET:
613 addend += bfd_get_16 (abfd, address);
614
615 saddend = (bfd_signed_vma) addend;
616
617 if (saddend > 0xffff || saddend < 0)
618 return bfd_reloc_overflow;
619
620 insn = addend;
621 break;
622
623 case R_V850_CALLT_15_16_OFFSET:
624 insn = bfd_get_16 (abfd, address);
625
626 addend += insn & 0xfffe;;
627
628 saddend = (bfd_signed_vma) addend;
629
630 if (saddend > 0xffff || saddend < 0)
631 return bfd_reloc_overflow;
632
633 insn = (0xfffe & addend)
634 | (insn & ~0xfffe);
635 break;
636
637 case R_V850_CALLT_6_7_OFFSET:
638 insn = bfd_get_16 (abfd, address);
639 addend += ((insn & 0x3f) << 1);
640
641 saddend = (bfd_signed_vma) addend;
642
643 if (saddend > 0x7e || saddend < 0)
644 return bfd_reloc_overflow;
645
646 if (addend & 1)
647 return bfd_reloc_dangerous;
648
649 insn &= 0xff80;
650 insn |= (addend >> 1);
651 break;
652
653 case R_V850_16:
654 case R_V850_SDA_16_16_OFFSET:
655 case R_V850_ZDA_16_16_OFFSET:
656 case R_V850_TDA_16_16_OFFSET:
657 addend += bfd_get_16 (abfd, address);
658
659 saddend = (bfd_signed_vma) addend;
660
661 if (saddend > 0x7fff || saddend < -0x8000)
662 return bfd_reloc_overflow;
663
664 insn = addend;
665 break;
666
667 case R_V850_16_S1:
668 case R_V850_SDA_15_16_OFFSET:
669 case R_V850_ZDA_15_16_OFFSET:
670 insn = bfd_get_16 (abfd, address);
671 addend += (insn & 0xfffe);
672
673 saddend = (bfd_signed_vma) addend;
674
675 if (saddend > 0x7ffe || saddend < -0x8000)
676 return bfd_reloc_overflow;
677
678 if (addend & 1)
679 return bfd_reloc_dangerous;
680
681 insn = (addend &~ (bfd_vma) 1) | (insn & 1);
682 break;
683
684 case R_V850_TDA_6_8_OFFSET:
685 insn = bfd_get_16 (abfd, address);
686 addend += ((insn & 0x7e) << 1);
687
688 saddend = (bfd_signed_vma) addend;
689
690 if (saddend > 0xfc || saddend < 0)
691 return bfd_reloc_overflow;
692
693 if (addend & 3)
694 return bfd_reloc_dangerous;
695
696 insn &= 0xff81;
697 insn |= (addend >> 1);
698 break;
699
700 case R_V850_TDA_7_8_OFFSET:
701 insn = bfd_get_16 (abfd, address);
702 addend += ((insn & 0x7f) << 1);
703
704 saddend = (bfd_signed_vma) addend;
705
706 if (saddend > 0xfe || saddend < 0)
707 return bfd_reloc_overflow;
708
709 if (addend & 1)
710 return bfd_reloc_dangerous;
711
712 insn &= 0xff80;
713 insn |= (addend >> 1);
714 break;
715
716 case R_V850_TDA_7_7_OFFSET:
717 insn = bfd_get_16 (abfd, address);
718 addend += insn & 0x7f;
719
720 saddend = (bfd_signed_vma) addend;
721
722 if (saddend > 0x7f || saddend < 0)
723 return bfd_reloc_overflow;
724
725 insn &= 0xff80;
726 insn |= addend;
727 break;
728
729 case R_V850_TDA_4_5_OFFSET:
730 insn = bfd_get_16 (abfd, address);
731 addend += ((insn & 0xf) << 1);
732
733 saddend = (bfd_signed_vma) addend;
734
735 if (saddend > 0x1e || saddend < 0)
736 return bfd_reloc_overflow;
737
738 if (addend & 1)
739 return bfd_reloc_dangerous;
740
741 insn &= 0xfff0;
742 insn |= (addend >> 1);
743 break;
744
745 case R_V850_TDA_4_4_OFFSET:
746 insn = bfd_get_16 (abfd, address);
747 addend += insn & 0xf;
748
749 saddend = (bfd_signed_vma) addend;
750
751 if (saddend > 0xf || saddend < 0)
752 return bfd_reloc_overflow;
753
754 insn &= 0xfff0;
755 insn |= addend;
756 break;
757
758 case R_V850_LO16_S1:
759 insn = bfd_get_16 (abfd, address);
760 result = insn & 0xfffe;
761 if (! v850_elf_perform_lo16_relocation (abfd, &result, addend))
762 return bfd_reloc_overflow;
763 if (result & 1)
764 return bfd_reloc_overflow;
765 insn = (result & 0xfffe)
766 | (insn & ~0xfffe);
767 bfd_put_16 (abfd, insn, address);
768 return bfd_reloc_ok;
769
770 case R_V850_LO16_SPLIT_OFFSET:
771 insn = bfd_get_32 (abfd, address);
772 result = ((insn & 0xfffe0000) >> 16) | ((insn & 0x20) >> 5);
773 if (! v850_elf_perform_lo16_relocation (abfd, &result, addend))
774 return bfd_reloc_overflow;
775 insn = (((result << 16) & 0xfffe0000)
776 | ((result << 5) & 0x20)
777 | (insn & ~0xfffe0020));
778 bfd_put_32 (abfd, insn, address);
779 return bfd_reloc_ok;
780
781 case R_V850_16_SPLIT_OFFSET:
782 case R_V850_SDA_16_16_SPLIT_OFFSET:
783 case R_V850_ZDA_16_16_SPLIT_OFFSET:
784 insn = bfd_get_32 (abfd, address);
785 addend += ((insn & 0xfffe0000) >> 16) + ((insn & 0x20) >> 5);
786
787 saddend = (bfd_signed_vma) addend;
788
789 if (saddend > 0x7fff || saddend < -0x8000)
790 return bfd_reloc_overflow;
791
792 insn &= 0x0001ffdf;
793 insn |= (addend & 1) << 5;
794 insn |= (addend &~ (bfd_vma) 1) << 16;
795
796 bfd_put_32 (abfd, (bfd_vma) insn, address);
797 return bfd_reloc_ok;
798
799 case R_V850_GNU_VTINHERIT:
800 case R_V850_GNU_VTENTRY:
801 return bfd_reloc_ok;
802
803 }
804
805 bfd_put_16 (abfd, (bfd_vma) insn, address);
806 return bfd_reloc_ok;
807 }
808 \f
809 /* Insert the addend into the instruction. */
810
811 static bfd_reloc_status_type
812 v850_elf_reloc (bfd *abfd ATTRIBUTE_UNUSED,
813 arelent *reloc,
814 asymbol *symbol,
815 void * data ATTRIBUTE_UNUSED,
816 asection *isection,
817 bfd *obfd,
818 char **err ATTRIBUTE_UNUSED)
819 {
820 long relocation;
821
822 /* If there is an output BFD,
823 and the symbol is not a section name (which is only defined at final link time),
824 and either we are not putting the addend into the instruction
825 or the addend is zero, so there is nothing to add into the instruction
826 then just fixup the address and return. */
827 if (obfd != NULL
828 && (symbol->flags & BSF_SECTION_SYM) == 0
829 && (! reloc->howto->partial_inplace
830 || reloc->addend == 0))
831 {
832 reloc->address += isection->output_offset;
833 return bfd_reloc_ok;
834 }
835
836 /* Catch relocs involving undefined symbols. */
837 if (bfd_is_und_section (symbol->section)
838 && (symbol->flags & BSF_WEAK) == 0
839 && obfd == NULL)
840 return bfd_reloc_undefined;
841
842 /* We handle final linking of some relocs ourselves. */
843
844 /* Is the address of the relocation really within the section? */
845 if (reloc->address > bfd_get_section_limit (abfd, isection))
846 return bfd_reloc_outofrange;
847
848 /* Work out which section the relocation is targeted at and the
849 initial relocation command value. */
850
851 if (reloc->howto->pc_relative)
852 return bfd_reloc_ok;
853
854 /* Get symbol value. (Common symbols are special.) */
855 if (bfd_is_com_section (symbol->section))
856 relocation = 0;
857 else
858 relocation = symbol->value;
859
860 /* Convert input-section-relative symbol value to absolute + addend. */
861 relocation += symbol->section->output_section->vma;
862 relocation += symbol->section->output_offset;
863 relocation += reloc->addend;
864
865 reloc->addend = relocation;
866 return bfd_reloc_ok;
867 }
868
869 /* This function is used for relocs which are only used
870 for relaxing, which the linker should otherwise ignore. */
871
872 static bfd_reloc_status_type
873 v850_elf_ignore_reloc (bfd *abfd ATTRIBUTE_UNUSED,
874 arelent *reloc_entry,
875 asymbol *symbol ATTRIBUTE_UNUSED,
876 void * data ATTRIBUTE_UNUSED,
877 asection *input_section,
878 bfd *output_bfd,
879 char **error_message ATTRIBUTE_UNUSED)
880 {
881 if (output_bfd != NULL)
882 reloc_entry->address += input_section->output_offset;
883
884 return bfd_reloc_ok;
885 }
886 /* Note: It is REQUIRED that the 'type' value of each entry
887 in this array match the index of the entry in the array.
888 SeeAlso: RELOC_NUBMER in include/elf/v850.h */
889 static reloc_howto_type v850_elf_howto_table[] =
890 {
891 /* This reloc does nothing. */
892 HOWTO (R_V850_NONE, /* Type. */
893 0, /* Rightshift. */
894 2, /* Size (0 = byte, 1 = short, 2 = long). */
895 32, /* Bitsize. */
896 FALSE, /* PC_relative. */
897 0, /* Bitpos. */
898 complain_overflow_bitfield, /* Complain_on_overflow. */
899 bfd_elf_generic_reloc, /* Special_function. */
900 "R_V850_NONE", /* Name. */
901 FALSE, /* Partial_inplace. */
902 0, /* Src_mask. */
903 0, /* Dst_mask. */
904 FALSE), /* PCrel_offset. */
905
906 /* A PC relative 9 bit branch. */
907 HOWTO (R_V850_9_PCREL, /* Type. */
908 0, /* Rightshift. */
909 1, /* Size (0 = byte, 1 = short, 2 = long). */
910 9, /* Bitsize. */
911 TRUE, /* PC_relative. */
912 0, /* Bitpos. */
913 complain_overflow_bitfield, /* Complain_on_overflow. */
914 v850_elf_reloc, /* Special_function. */
915 "R_V850_9_PCREL", /* Name. */
916 FALSE, /* Partial_inplace. */
917 0x00ffffff, /* Src_mask. */
918 0x00ffffff, /* Dst_mask. */
919 TRUE), /* PCrel_offset. */
920
921 /* A PC relative 22 bit branch. */
922 HOWTO (R_V850_22_PCREL, /* Type. */
923 0, /* Rightshift. */
924 2, /* Size (0 = byte, 1 = short, 2 = long). */
925 22, /* Bitsize. */
926 TRUE, /* PC_relative. */
927 0, /* Bitpos. */
928 complain_overflow_signed, /* Complain_on_overflow. */
929 v850_elf_reloc, /* Special_function. */
930 "R_V850_22_PCREL", /* Name. */
931 FALSE, /* Partial_inplace. */
932 0x07ffff80, /* Src_mask. */
933 0x07ffff80, /* Dst_mask. */
934 TRUE), /* PCrel_offset. */
935
936 /* High 16 bits of symbol value. */
937 HOWTO (R_V850_HI16_S, /* Type. */
938 0, /* Rightshift. */
939 1, /* Size (0 = byte, 1 = short, 2 = long). */
940 16, /* Bitsize. */
941 FALSE, /* PC_relative. */
942 0, /* Bitpos. */
943 complain_overflow_dont, /* Complain_on_overflow. */
944 v850_elf_reloc, /* Special_function. */
945 "R_V850_HI16_S", /* Name. */
946 FALSE, /* Partial_inplace. */
947 0xffff, /* Src_mask. */
948 0xffff, /* Dst_mask. */
949 FALSE), /* PCrel_offset. */
950
951 /* High 16 bits of symbol value. */
952 HOWTO (R_V850_HI16, /* Type. */
953 0, /* Rightshift. */
954 1, /* Size (0 = byte, 1 = short, 2 = long). */
955 16, /* Bitsize. */
956 FALSE, /* PC_relative. */
957 0, /* Bitpos. */
958 complain_overflow_dont, /* Complain_on_overflow. */
959 v850_elf_reloc, /* Special_function. */
960 "R_V850_HI16", /* Name. */
961 FALSE, /* Partial_inplace. */
962 0xffff, /* Src_mask. */
963 0xffff, /* Dst_mask. */
964 FALSE), /* PCrel_offset. */
965
966 /* Low 16 bits of symbol value. */
967 HOWTO (R_V850_LO16, /* Type. */
968 0, /* Rightshift. */
969 1, /* Size (0 = byte, 1 = short, 2 = long). */
970 16, /* Bitsize. */
971 FALSE, /* PC_relative. */
972 0, /* Bitpos. */
973 complain_overflow_dont, /* Complain_on_overflow. */
974 v850_elf_reloc, /* Special_function. */
975 "R_V850_LO16", /* Name. */
976 FALSE, /* Partial_inplace. */
977 0xffff, /* Src_mask. */
978 0xffff, /* Dst_mask. */
979 FALSE), /* PCrel_offset. */
980
981 /* Simple 32bit reloc. */
982 HOWTO (R_V850_ABS32, /* Type. */
983 0, /* Rightshift. */
984 2, /* Size (0 = byte, 1 = short, 2 = long). */
985 32, /* Bitsize. */
986 FALSE, /* PC_relative. */
987 0, /* Bitpos. */
988 complain_overflow_dont, /* Complain_on_overflow. */
989 v850_elf_reloc, /* Special_function. */
990 "R_V850_ABS32", /* Name. */
991 FALSE, /* Partial_inplace. */
992 0xffffffff, /* Src_mask. */
993 0xffffffff, /* Dst_mask. */
994 FALSE), /* PCrel_offset. */
995
996 /* Simple 16bit reloc. */
997 HOWTO (R_V850_16, /* Type. */
998 0, /* Rightshift. */
999 1, /* Size (0 = byte, 1 = short, 2 = long). */
1000 16, /* Bitsize. */
1001 FALSE, /* PC_relative. */
1002 0, /* Bitpos. */
1003 complain_overflow_dont, /* Complain_on_overflow. */
1004 bfd_elf_generic_reloc, /* Special_function. */
1005 "R_V850_16", /* Name. */
1006 FALSE, /* Partial_inplace. */
1007 0xffff, /* Src_mask. */
1008 0xffff, /* Dst_mask. */
1009 FALSE), /* PCrel_offset. */
1010
1011 /* Simple 8bit reloc. */
1012 HOWTO (R_V850_8, /* Type. */
1013 0, /* Rightshift. */
1014 0, /* Size (0 = byte, 1 = short, 2 = long). */
1015 8, /* Bitsize. */
1016 FALSE, /* PC_relative. */
1017 0, /* Bitpos. */
1018 complain_overflow_dont, /* Complain_on_overflow. */
1019 bfd_elf_generic_reloc, /* Special_function. */
1020 "R_V850_8", /* Name. */
1021 FALSE, /* Partial_inplace. */
1022 0xff, /* Src_mask. */
1023 0xff, /* Dst_mask. */
1024 FALSE), /* PCrel_offset. */
1025
1026 /* 16 bit offset from the short data area pointer. */
1027 HOWTO (R_V850_SDA_16_16_OFFSET, /* Type. */
1028 0, /* Rightshift. */
1029 1, /* Size (0 = byte, 1 = short, 2 = long). */
1030 16, /* Bitsize. */
1031 FALSE, /* PC_relative. */
1032 0, /* Bitpos. */
1033 complain_overflow_dont, /* Complain_on_overflow. */
1034 v850_elf_reloc, /* Special_function. */
1035 "R_V850_SDA_16_16_OFFSET", /* Name. */
1036 FALSE, /* Partial_inplace. */
1037 0xffff, /* Src_mask. */
1038 0xffff, /* Dst_mask. */
1039 FALSE), /* PCrel_offset. */
1040
1041 /* 15 bit offset from the short data area pointer. */
1042 HOWTO (R_V850_SDA_15_16_OFFSET, /* Type. */
1043 1, /* Rightshift. */
1044 1, /* Size (0 = byte, 1 = short, 2 = long). */
1045 16, /* Bitsize. */
1046 FALSE, /* PC_relative. */
1047 1, /* Bitpos. */
1048 complain_overflow_dont, /* Complain_on_overflow. */
1049 v850_elf_reloc, /* Special_function. */
1050 "R_V850_SDA_15_16_OFFSET", /* Name. */
1051 FALSE, /* Partial_inplace. */
1052 0xfffe, /* Src_mask. */
1053 0xfffe, /* Dst_mask. */
1054 FALSE), /* PCrel_offset. */
1055
1056 /* 16 bit offset from the zero data area pointer. */
1057 HOWTO (R_V850_ZDA_16_16_OFFSET, /* Type. */
1058 0, /* Rightshift. */
1059 1, /* Size (0 = byte, 1 = short, 2 = long). */
1060 16, /* Bitsize. */
1061 FALSE, /* PC_relative. */
1062 0, /* Bitpos. */
1063 complain_overflow_dont, /* Complain_on_overflow. */
1064 v850_elf_reloc, /* Special_function. */
1065 "R_V850_ZDA_16_16_OFFSET", /* Name. */
1066 FALSE, /* Partial_inplace. */
1067 0xffff, /* Src_mask. */
1068 0xffff, /* Dst_mask. */
1069 FALSE), /* PCrel_offset. */
1070
1071 /* 15 bit offset from the zero data area pointer. */
1072 HOWTO (R_V850_ZDA_15_16_OFFSET, /* Type. */
1073 1, /* Rightshift. */
1074 1, /* Size (0 = byte, 1 = short, 2 = long). */
1075 16, /* Bitsize. */
1076 FALSE, /* PC_relative. */
1077 1, /* Bitpos. */
1078 complain_overflow_dont, /* Complain_on_overflow. */
1079 v850_elf_reloc, /* Special_function. */
1080 "R_V850_ZDA_15_16_OFFSET", /* Name. */
1081 FALSE, /* Partial_inplace. */
1082 0xfffe, /* Src_mask. */
1083 0xfffe, /* Dst_mask. */
1084 FALSE), /* PCrel_offset. */
1085
1086 /* 6 bit offset from the tiny data area pointer. */
1087 HOWTO (R_V850_TDA_6_8_OFFSET, /* Type. */
1088 2, /* Rightshift. */
1089 1, /* Size (0 = byte, 1 = short, 2 = long). */
1090 8, /* Bitsize. */
1091 FALSE, /* PC_relative. */
1092 1, /* Bitpos. */
1093 complain_overflow_dont, /* Complain_on_overflow. */
1094 v850_elf_reloc, /* Special_function. */
1095 "R_V850_TDA_6_8_OFFSET", /* Name. */
1096 FALSE, /* Partial_inplace. */
1097 0x7e, /* Src_mask. */
1098 0x7e, /* Dst_mask. */
1099 FALSE), /* PCrel_offset. */
1100
1101 /* 8 bit offset from the tiny data area pointer. */
1102 HOWTO (R_V850_TDA_7_8_OFFSET, /* Type. */
1103 1, /* Rightshift. */
1104 1, /* Size (0 = byte, 1 = short, 2 = long). */
1105 8, /* Bitsize. */
1106 FALSE, /* PC_relative. */
1107 0, /* Bitpos. */
1108 complain_overflow_dont, /* Complain_on_overflow. */
1109 v850_elf_reloc, /* Special_function. */
1110 "R_V850_TDA_7_8_OFFSET", /* Name. */
1111 FALSE, /* Partial_inplace. */
1112 0x7f, /* Src_mask. */
1113 0x7f, /* Dst_mask. */
1114 FALSE), /* PCrel_offset. */
1115
1116 /* 7 bit offset from the tiny data area pointer. */
1117 HOWTO (R_V850_TDA_7_7_OFFSET, /* Type. */
1118 0, /* Rightshift. */
1119 1, /* Size (0 = byte, 1 = short, 2 = long). */
1120 7, /* Bitsize. */
1121 FALSE, /* PC_relative. */
1122 0, /* Bitpos. */
1123 complain_overflow_dont, /* Complain_on_overflow. */
1124 v850_elf_reloc, /* Special_function. */
1125 "R_V850_TDA_7_7_OFFSET", /* Name. */
1126 FALSE, /* Partial_inplace. */
1127 0x7f, /* Src_mask. */
1128 0x7f, /* Dst_mask. */
1129 FALSE), /* PCrel_offset. */
1130
1131 /* 16 bit offset from the tiny data area pointer! */
1132 HOWTO (R_V850_TDA_16_16_OFFSET, /* Type. */
1133 0, /* Rightshift. */
1134 1, /* Size (0 = byte, 1 = short, 2 = long). */
1135 16, /* Bitsize. */
1136 FALSE, /* PC_relative. */
1137 0, /* Bitpos. */
1138 complain_overflow_dont, /* Complain_on_overflow. */
1139 v850_elf_reloc, /* Special_function. */
1140 "R_V850_TDA_16_16_OFFSET", /* Name. */
1141 FALSE, /* Partial_inplace. */
1142 0xffff, /* Src_mask. */
1143 0xfff, /* Dst_mask. */
1144 FALSE), /* PCrel_offset. */
1145
1146 /* 5 bit offset from the tiny data area pointer. */
1147 HOWTO (R_V850_TDA_4_5_OFFSET, /* Type. */
1148 1, /* Rightshift. */
1149 1, /* Size (0 = byte, 1 = short, 2 = long). */
1150 5, /* Bitsize. */
1151 FALSE, /* PC_relative. */
1152 0, /* Bitpos. */
1153 complain_overflow_dont, /* Complain_on_overflow. */
1154 v850_elf_reloc, /* Special_function. */
1155 "R_V850_TDA_4_5_OFFSET", /* Name. */
1156 FALSE, /* Partial_inplace. */
1157 0x0f, /* Src_mask. */
1158 0x0f, /* Dst_mask. */
1159 FALSE), /* PCrel_offset. */
1160
1161 /* 4 bit offset from the tiny data area pointer. */
1162 HOWTO (R_V850_TDA_4_4_OFFSET, /* Type. */
1163 0, /* Rightshift. */
1164 1, /* Size (0 = byte, 1 = short, 2 = long). */
1165 4, /* Bitsize. */
1166 FALSE, /* PC_relative. */
1167 0, /* Bitpos. */
1168 complain_overflow_dont, /* Complain_on_overflow. */
1169 v850_elf_reloc, /* Special_function. */
1170 "R_V850_TDA_4_4_OFFSET", /* Name. */
1171 FALSE, /* Partial_inplace. */
1172 0x0f, /* Src_mask. */
1173 0x0f, /* Dst_mask. */
1174 FALSE), /* PCrel_offset. */
1175
1176 /* 16 bit offset from the short data area pointer. */
1177 HOWTO (R_V850_SDA_16_16_SPLIT_OFFSET, /* Type. */
1178 0, /* Rightshift. */
1179 2, /* Size (0 = byte, 1 = short, 2 = long). */
1180 16, /* Bitsize. */
1181 FALSE, /* PC_relative. */
1182 0, /* Bitpos. */
1183 complain_overflow_dont, /* Complain_on_overflow. */
1184 v850_elf_reloc, /* Special_function. */
1185 "R_V850_SDA_16_16_SPLIT_OFFSET",/* Name. */
1186 FALSE, /* Partial_inplace. */
1187 0xfffe0020, /* Src_mask. */
1188 0xfffe0020, /* Dst_mask. */
1189 FALSE), /* PCrel_offset. */
1190
1191 /* 16 bit offset from the zero data area pointer. */
1192 HOWTO (R_V850_ZDA_16_16_SPLIT_OFFSET, /* Type. */
1193 0, /* Rightshift. */
1194 2, /* Size (0 = byte, 1 = short, 2 = long). */
1195 16, /* Bitsize. */
1196 FALSE, /* PC_relative. */
1197 0, /* Bitpos. */
1198 complain_overflow_dont, /* Complain_on_overflow. */
1199 v850_elf_reloc, /* Special_function. */
1200 "R_V850_ZDA_16_16_SPLIT_OFFSET",/* Name. */
1201 FALSE, /* Partial_inplace. */
1202 0xfffe0020, /* Src_mask. */
1203 0xfffe0020, /* Dst_mask. */
1204 FALSE), /* PCrel_offset. */
1205
1206 /* 6 bit offset from the call table base pointer. */
1207 HOWTO (R_V850_CALLT_6_7_OFFSET, /* Type. */
1208 0, /* Rightshift. */
1209 1, /* Size (0 = byte, 1 = short, 2 = long). */
1210 7, /* Bitsize. */
1211 FALSE, /* PC_relative. */
1212 0, /* Bitpos. */
1213 complain_overflow_dont, /* Complain_on_overflow. */
1214 v850_elf_reloc, /* Special_function. */
1215 "R_V850_CALLT_6_7_OFFSET", /* Name. */
1216 FALSE, /* Partial_inplace. */
1217 0x3f, /* Src_mask. */
1218 0x3f, /* Dst_mask. */
1219 FALSE), /* PCrel_offset. */
1220
1221 /* 16 bit offset from the call table base pointer. */
1222 HOWTO (R_V850_CALLT_16_16_OFFSET, /* Type. */
1223 0, /* Rightshift. */
1224 1, /* Size (0 = byte, 1 = short, 2 = long). */
1225 16, /* Bitsize. */
1226 FALSE, /* PC_relative. */
1227 0, /* Bitpos. */
1228 complain_overflow_dont, /* Complain_on_overflow. */
1229 v850_elf_reloc, /* Special_function. */
1230 "R_V850_CALLT_16_16_OFFSET", /* Name. */
1231 FALSE, /* Partial_inplace. */
1232 0xffff, /* Src_mask. */
1233 0xffff, /* Dst_mask. */
1234 FALSE), /* PCrel_offset. */
1235
1236
1237 /* GNU extension to record C++ vtable hierarchy */
1238 HOWTO (R_V850_GNU_VTINHERIT, /* Type. */
1239 0, /* Rightshift. */
1240 2, /* Size (0 = byte, 1 = short, 2 = long). */
1241 0, /* Bitsize. */
1242 FALSE, /* PC_relative. */
1243 0, /* Bitpos. */
1244 complain_overflow_dont, /* Complain_on_overflow. */
1245 NULL, /* Special_function. */
1246 "R_V850_GNU_VTINHERIT", /* Name. */
1247 FALSE, /* Partial_inplace. */
1248 0, /* Src_mask. */
1249 0, /* Dst_mask. */
1250 FALSE), /* PCrel_offset. */
1251
1252 /* GNU extension to record C++ vtable member usage. */
1253 HOWTO (R_V850_GNU_VTENTRY, /* Type. */
1254 0, /* Rightshift. */
1255 2, /* Size (0 = byte, 1 = short, 2 = long). */
1256 0, /* Bitsize. */
1257 FALSE, /* PC_relative. */
1258 0, /* Bitpos. */
1259 complain_overflow_dont, /* Complain_on_overflow. */
1260 _bfd_elf_rel_vtable_reloc_fn, /* Special_function. */
1261 "R_V850_GNU_VTENTRY", /* Name. */
1262 FALSE, /* Partial_inplace. */
1263 0, /* Src_mask. */
1264 0, /* Dst_mask. */
1265 FALSE), /* PCrel_offset. */
1266
1267 /* Indicates a .longcall pseudo-op. The compiler will generate a .longcall
1268 pseudo-op when it finds a function call which can be relaxed. */
1269 HOWTO (R_V850_LONGCALL, /* Type. */
1270 0, /* Rightshift. */
1271 2, /* Size (0 = byte, 1 = short, 2 = long). */
1272 32, /* Bitsize. */
1273 TRUE, /* PC_relative. */
1274 0, /* Bitpos. */
1275 complain_overflow_signed, /* Complain_on_overflow. */
1276 v850_elf_ignore_reloc, /* Special_function. */
1277 "R_V850_LONGCALL", /* Name. */
1278 FALSE, /* Partial_inplace. */
1279 0, /* Src_mask. */
1280 0, /* Dst_mask. */
1281 TRUE), /* PCrel_offset. */
1282
1283 /* Indicates a .longjump pseudo-op. The compiler will generate a
1284 .longjump pseudo-op when it finds a branch which can be relaxed. */
1285 HOWTO (R_V850_LONGJUMP, /* Type. */
1286 0, /* Rightshift. */
1287 2, /* Size (0 = byte, 1 = short, 2 = long). */
1288 32, /* Bitsize. */
1289 TRUE, /* PC_relative. */
1290 0, /* Bitpos. */
1291 complain_overflow_signed, /* Complain_on_overflow. */
1292 v850_elf_ignore_reloc, /* Special_function. */
1293 "R_V850_LONGJUMP", /* Name. */
1294 FALSE, /* Partial_inplace. */
1295 0, /* Src_mask. */
1296 0, /* Dst_mask. */
1297 TRUE), /* PCrel_offset. */
1298
1299 HOWTO (R_V850_ALIGN, /* Type. */
1300 0, /* Rightshift. */
1301 1, /* Size (0 = byte, 1 = short, 2 = long). */
1302 0, /* Bitsize. */
1303 FALSE, /* PC_relative. */
1304 0, /* Bitpos. */
1305 complain_overflow_unsigned, /* Complain_on_overflow. */
1306 v850_elf_ignore_reloc, /* Special_function. */
1307 "R_V850_ALIGN", /* Name. */
1308 FALSE, /* Partial_inplace. */
1309 0, /* Src_mask. */
1310 0, /* Dst_mask. */
1311 TRUE), /* PCrel_offset. */
1312
1313 /* Simple pc-relative 32bit reloc. */
1314 HOWTO (R_V850_REL32, /* Type. */
1315 0, /* Rightshift. */
1316 2, /* Size (0 = byte, 1 = short, 2 = long). */
1317 32, /* Bitsize. */
1318 TRUE, /* PC_relative. */
1319 0, /* Bitpos. */
1320 complain_overflow_dont, /* Complain_on_overflow. */
1321 v850_elf_reloc, /* Special_function. */
1322 "R_V850_REL32", /* Name. */
1323 FALSE, /* Partial_inplace. */
1324 0xffffffff, /* Src_mask. */
1325 0xffffffff, /* Dst_mask. */
1326 FALSE), /* PCrel_offset. */
1327
1328 /* An ld.bu version of R_V850_LO16. */
1329 HOWTO (R_V850_LO16_SPLIT_OFFSET, /* Type. */
1330 0, /* Rightshift. */
1331 2, /* Size (0 = byte, 1 = short, 2 = long). */
1332 16, /* Bitsize. */
1333 FALSE, /* PC_relative. */
1334 0, /* Bitpos. */
1335 complain_overflow_dont, /* Complain_on_overflow. */
1336 v850_elf_reloc, /* Special_function. */
1337 "R_V850_LO16_SPLIT_OFFSET", /* Name. */
1338 FALSE, /* Partial_inplace. */
1339 0xfffe0020, /* Src_mask. */
1340 0xfffe0020, /* Dst_mask. */
1341 FALSE), /* PCrel_offset. */
1342
1343 /* A unsigned PC relative 16 bit loop. */
1344 HOWTO (R_V850_16_PCREL, /* Type. */
1345 0, /* Rightshift. */
1346 1, /* Size (0 = byte, 1 = short, 2 = long). */
1347 16, /* Bitsize. */
1348 TRUE, /* PC_relative. */
1349 0, /* Bitpos. */
1350 complain_overflow_bitfield, /* Complain_on_overflow. */
1351 v850_elf_reloc, /* Special_function. */
1352 "R_V850_16_PCREL", /* Name. */
1353 FALSE, /* Partial_inplace. */
1354 0xfffe, /* Src_mask. */
1355 0xfffe, /* Dst_mask. */
1356 TRUE), /* PCrel_offset. */
1357
1358 /* A PC relative 17 bit branch. */
1359 HOWTO (R_V850_17_PCREL, /* Type. */
1360 0, /* Rightshift. */
1361 2, /* Size (0 = byte, 1 = short, 2 = long). */
1362 17, /* Bitsize. */
1363 TRUE, /* PC_relative. */
1364 0, /* Bitpos. */
1365 complain_overflow_bitfield, /* Complain_on_overflow. */
1366 v850_elf_reloc, /* Special_function. */
1367 "R_V850_17_PCREL", /* Name. */
1368 FALSE, /* Partial_inplace. */
1369 0x0010fffe, /* Src_mask. */
1370 0x0010fffe, /* Dst_mask. */
1371 TRUE), /* PCrel_offset. */
1372
1373 /* A 23bit offset ld/st. */
1374 HOWTO (R_V850_23, /* type. */
1375 0, /* rightshift. */
1376 2, /* size (0 = byte, 1 = short, 2 = long). */
1377 23, /* bitsize. */
1378 FALSE, /* pc_relative. */
1379 0, /* bitpos. */
1380 complain_overflow_dont, /* complain_on_overflow. */
1381 v850_elf_reloc, /* special_function. */
1382 "R_V850_23", /* name. */
1383 FALSE, /* partial_inplace. */
1384 0xffff07f0, /* src_mask. */
1385 0xffff07f0, /* dst_mask. */
1386 FALSE), /* pcrel_offset. */
1387
1388 /* A PC relative 32 bit branch. */
1389 HOWTO (R_V850_32_PCREL, /* type. */
1390 1, /* rightshift. */
1391 2, /* size (0 = byte, 1 = short, 2 = long). */
1392 32, /* bitsize. */
1393 TRUE, /* pc_relative. */
1394 1, /* bitpos. */
1395 complain_overflow_signed, /* complain_on_overflow. */
1396 v850_elf_reloc, /* special_function. */
1397 "R_V850_32_PCREL", /* name. */
1398 FALSE, /* partial_inplace. */
1399 0xfffffffe, /* src_mask. */
1400 0xfffffffe, /* dst_mask. */
1401 TRUE), /* pcrel_offset. */
1402
1403 /* A absolute 32 bit branch. */
1404 HOWTO (R_V850_32_ABS, /* type. */
1405 1, /* rightshift. */
1406 2, /* size (0 = byte, 1 = short, 2 = long). */
1407 32, /* bitsize. */
1408 TRUE, /* pc_relative. */
1409 1, /* bitpos. */
1410 complain_overflow_signed, /* complain_on_overflow. */
1411 v850_elf_reloc, /* special_function. */
1412 "R_V850_32_ABS", /* name. */
1413 FALSE, /* partial_inplace. */
1414 0xfffffffe, /* src_mask. */
1415 0xfffffffe, /* dst_mask. */
1416 FALSE), /* pcrel_offset. */
1417
1418 /* High 16 bits of symbol value. */
1419 HOWTO (R_V850_HI16, /* Type. */
1420 0, /* Rightshift. */
1421 1, /* Size (0 = byte, 1 = short, 2 = long). */
1422 16, /* Bitsize. */
1423 FALSE, /* PC_relative. */
1424 0, /* Bitpos. */
1425 complain_overflow_dont, /* Complain_on_overflow. */
1426 v850_elf_reloc, /* Special_function. */
1427 "R_V850_HI16", /* Name. */
1428 FALSE, /* Partial_inplace. */
1429 0xffff, /* Src_mask. */
1430 0xffff, /* Dst_mask. */
1431 FALSE), /* PCrel_offset. */
1432
1433 /* Low 16 bits of symbol value. */
1434 HOWTO (R_V850_16_S1, /* type. */
1435 1, /* rightshift. */
1436 1, /* size (0 = byte, 1 = short, 2 = long). */
1437 16, /* bitsize. */
1438 FALSE, /* pc_relative. */
1439 1, /* bitpos. */
1440 complain_overflow_dont, /* complain_on_overflow. */
1441 v850_elf_reloc, /* special_function. */
1442 "R_V850_16_S1", /* name. */
1443 FALSE, /* partial_inplace. */
1444 0xfffe, /* src_mask. */
1445 0xfffe, /* dst_mask. */
1446 FALSE), /* pcrel_offset. */
1447
1448 /* Low 16 bits of symbol value. */
1449 HOWTO (R_V850_LO16_S1, /* type. */
1450 1, /* rightshift. */
1451 1, /* size (0 = byte, 1 = short, 2 = long). */
1452 16, /* bitsize. */
1453 FALSE, /* pc_relative. */
1454 1, /* bitpos. */
1455 complain_overflow_dont, /* complain_on_overflow. */
1456 v850_elf_reloc, /* special_function. */
1457 "R_V850_LO16_S1", /* name. */
1458 FALSE, /* partial_inplace. */
1459 0xfffe, /* src_mask. */
1460 0xfffe, /* dst_mask. */
1461 FALSE), /* pcrel_offset. */
1462
1463 /* 16 bit offset from the call table base pointer. */
1464 HOWTO (R_V850_CALLT_15_16_OFFSET, /* type. */
1465 1, /* rightshift. */
1466 1, /* size (0 = byte, 1 = short, 2 = long). */
1467 16, /* bitsize. */
1468 FALSE, /* pc_relative. */
1469 1, /* bitpos. */
1470 complain_overflow_dont, /* complain_on_overflow. */
1471 v850_elf_reloc, /* special_function. */
1472 "R_V850_CALLT_15_16_OFFSET", /* name. */
1473 FALSE, /* partial_inplace. */
1474 0xfffe, /* src_mask. */
1475 0xfffe, /* dst_mask. */
1476 FALSE), /* pcrel_offset. */
1477
1478 /* Like R_V850_32 PCREL, but referring to the GOT table entry for
1479 the symbol. */
1480 HOWTO (R_V850_32_GOTPCREL, /* type. */
1481 0, /* rightshift. */
1482 2, /* size (0 = byte, 1 = short, 2 = long). */
1483 32, /* bitsize. */
1484 TRUE, /* pc_relative. */
1485 0, /* bitpos. */
1486 complain_overflow_unsigned, /* complain_on_overflow. */
1487 v850_elf_reloc, /* special_function. */
1488 "R_V850_32_GOTPCREL", /* name. */
1489 FALSE, /* partial_inplace. */
1490 0xffffffff, /* src_mask. */
1491 0xffffffff, /* dst_mask. */
1492 TRUE), /* pcrel_offset. */
1493
1494 /* Like R_V850_SDA_, but referring to the GOT table entry for
1495 the symbol. */
1496 HOWTO (R_V850_16_GOT, /* type. */
1497 0, /* rightshift. */
1498 2, /* size (0 = byte, 1 = short, 2 = long). */
1499 16, /* bitsize. */
1500 FALSE, /* pc_relative. */
1501 0, /* bitpos. */
1502 complain_overflow_unsigned, /* complain_on_overflow. */
1503 bfd_elf_generic_reloc, /* special_function. */
1504 "R_V850_16_GOT", /* name. */
1505 FALSE, /* partial_inplace. */
1506 0xffff, /* src_mask. */
1507 0xffff, /* dst_mask. */
1508 FALSE), /* pcrel_offset. */
1509
1510 HOWTO (R_V850_32_GOT, /* type. */
1511 0, /* rightshift. */
1512 2, /* size (0 = byte, 1 = short, 2 = long). */
1513 32, /* bitsize. */
1514 FALSE, /* pc_relative. */
1515 0, /* bitpos. */
1516 complain_overflow_unsigned, /* complain_on_overflow. */
1517 bfd_elf_generic_reloc, /* special_function. */
1518 "R_V850_32_GOT", /* name. */
1519 FALSE, /* partial_inplace. */
1520 0xffffffff, /* src_mask. */
1521 0xffffffff, /* dst_mask. */
1522 FALSE), /* pcrel_offset. */
1523
1524 /* Like R_V850_22_PCREL, but referring to the procedure linkage table
1525 entry for the symbol. */
1526 HOWTO (R_V850_22_PLT, /* type. */
1527 1, /* rightshift. */
1528 2, /* size (0 = byte, 1 = short, 2 = long). */
1529 22, /* bitsize. */
1530 TRUE, /* pc_relative. */
1531 7, /* bitpos. */
1532 complain_overflow_signed, /* complain_on_overflow. */
1533 bfd_elf_generic_reloc, /* special_function. */
1534 "R_V850_22_PLT", /* name. */
1535 FALSE, /* partial_inplace. */
1536 0x07ffff80, /* src_mask. */
1537 0x07ffff80, /* dst_mask. */
1538 TRUE), /* pcrel_offset. */
1539
1540 HOWTO (R_V850_32_PLT, /* type. */
1541 1, /* rightshift. */
1542 2, /* size (0 = byte, 1 = short, 2 = long). */
1543 32, /* bitsize. */
1544 TRUE, /* pc_relative. */
1545 1, /* bitpos. */
1546 complain_overflow_signed, /* complain_on_overflow. */
1547 bfd_elf_generic_reloc, /* special_function. */
1548 "R_V850_32_PLT", /* name. */
1549 FALSE, /* partial_inplace. */
1550 0xffffffff, /* src_mask. */
1551 0xffffffff, /* dst_mask. */
1552 TRUE), /* pcrel_offset. */
1553
1554 /* This is used only by the dynamic linker. The symbol should exist
1555 both in the object being run and in some shared library. The
1556 dynamic linker copies the data addressed by the symbol from the
1557 shared library into the object, because the object being
1558 run has to have the data at some particular address. */
1559 HOWTO (R_V850_COPY, /* type. */
1560 0, /* rightshift. */
1561 2, /* size (0 = byte, 1 = short, 2 = long). */
1562 32, /* bitsize. */
1563 FALSE, /* pc_relative. */
1564 0, /* bitpos. */
1565 complain_overflow_bitfield, /* complain_on_overflow. */
1566 bfd_elf_generic_reloc, /* special_function. */
1567 "R_V850_COPY", /* name. */
1568 FALSE, /* partial_inplace. */
1569 0xffffffff, /* src_mask. */
1570 0xffffffff, /* dst_mask. */
1571 FALSE), /* pcrel_offset. */
1572
1573 /* Like R_M32R_24, but used when setting global offset table
1574 entries. */
1575 HOWTO (R_V850_GLOB_DAT, /* type. */
1576 0, /* rightshift. */
1577 2, /* size (0 = byte, 1 = short, 2 = long) */
1578 32, /* bitsize. */
1579 FALSE, /* pc_relative. */
1580 0, /* bitpos. */
1581 complain_overflow_bitfield, /* complain_on_overflow. */
1582 bfd_elf_generic_reloc, /* special_function. */
1583 "R_V850_GLOB_DAT", /* name. */
1584 FALSE, /* partial_inplace. */
1585 0xffffffff, /* src_mask. */
1586 0xffffffff, /* dst_mask. */
1587 FALSE), /* pcrel_offset. */
1588
1589 /* Marks a procedure linkage table entry for a symbol. */
1590 HOWTO (R_V850_JMP_SLOT, /* type. */
1591 0, /* rightshift. */
1592 2, /* size (0 = byte, 1 = short, 2 = long) */
1593 32, /* bitsize. */
1594 FALSE, /* pc_relative. */
1595 0, /* bitpos. */
1596 complain_overflow_bitfield, /* complain_on_overflow. */
1597 bfd_elf_generic_reloc, /* special_function. */
1598 "R_V850_JMP_SLOT", /* name. */
1599 FALSE, /* partial_inplace. */
1600 0xffffffff, /* src_mask. */
1601 0xffffffff, /* dst_mask. */
1602 FALSE), /* pcrel_offset. */
1603
1604 /* Used only by the dynamic linker. When the object is run, this
1605 longword is set to the load address of the object, plus the
1606 addend. */
1607 HOWTO (R_V850_RELATIVE, /* type. */
1608 0, /* rightshift. */
1609 2, /* size (0 = byte, 1 = short, 2 = long) */
1610 32, /* bitsize. */
1611 FALSE, /* pc_relative. */
1612 0, /* bitpos. */
1613 complain_overflow_bitfield, /* complain_on_overflow. */
1614 bfd_elf_generic_reloc, /* special_function. */
1615 "R_V850_RELATIVE", /* name. */
1616 FALSE, /* partial_inplace. */
1617 0xffffffff, /* src_mask. */
1618 0xffffffff, /* dst_mask. */
1619 FALSE), /* pcrel_offset. */
1620
1621 HOWTO (R_V850_16_GOTOFF, /* type. */
1622 0, /* rightshift. */
1623 2, /* size (0 = byte, 1 = short, 2 = long) */
1624 16, /* bitsize. */
1625 FALSE, /* pc_relative. */
1626 0, /* bitpos. */
1627 complain_overflow_bitfield, /* complain_on_overflow. */
1628 bfd_elf_generic_reloc, /* special_function. */
1629 "R_V850_16_GOTOFF", /* name. */
1630 FALSE, /* partial_inplace. */
1631 0xffff, /* src_mask. */
1632 0xffff, /* dst_mask. */
1633 FALSE), /* pcrel_offset. */
1634
1635 HOWTO (R_V850_32_GOTOFF, /* type. */
1636 0, /* rightshift. */
1637 2, /* size (0 = byte, 1 = short, 2 = long) */
1638 32, /* bitsize. */
1639 FALSE, /* pc_relative. */
1640 0, /* bitpos. */
1641 complain_overflow_bitfield, /* complain_on_overflow. */
1642 bfd_elf_generic_reloc, /* special_function. */
1643 "R_V850_32_GOTOFF", /* name. */
1644 FALSE, /* partial_inplace. */
1645 0xffffffff, /* src_mask. */
1646 0xffffffff, /* dst_mask. */
1647 FALSE), /* pcrel_offset. */
1648
1649 HOWTO (R_V850_CODE, /* type. */
1650 0, /* rightshift. */
1651 1, /* size (0 = byte, 1 = short, 2 = long) */
1652 0, /* bitsize. */
1653 FALSE, /* pc_relative. */
1654 0, /* bitpos. */
1655 complain_overflow_unsigned, /* complain_on_overflow. */
1656 v850_elf_ignore_reloc, /* special_function. */
1657 "R_V850_CODE", /* name. */
1658 FALSE, /* partial_inplace. */
1659 0, /* src_mask. */
1660 0, /* dst_mask. */
1661 TRUE), /* pcrel_offset. */
1662
1663 HOWTO (R_V850_DATA, /* type. */
1664 0, /* rightshift. */
1665 1, /* size (0 = byte, 1 = short, 2 = long) */
1666 0, /* bitsize. */
1667 FALSE, /* pc_relative. */
1668 0, /* bitpos. */
1669 complain_overflow_unsigned, /* complain_on_overflow. */
1670 v850_elf_ignore_reloc, /* special_function. */
1671 "R_V850_DATA", /* name. */
1672 FALSE, /* partial_inplace. */
1673 0, /* src_mask. */
1674 0, /* dst_mask. */
1675 TRUE), /* pcrel_offset. */
1676
1677 };
1678
1679 /* Map BFD reloc types to V850 ELF reloc types. */
1680
1681 struct v850_elf_reloc_map
1682 {
1683 /* BFD_RELOC_V850_CALLT_16_16_OFFSET is 258, which will not fix in an
1684 unsigned char. */
1685 bfd_reloc_code_real_type bfd_reloc_val;
1686 unsigned int elf_reloc_val;
1687 };
1688
1689 static const struct v850_elf_reloc_map v850_elf_reloc_map[] =
1690 {
1691 { BFD_RELOC_NONE, R_V850_NONE },
1692 { BFD_RELOC_V850_9_PCREL, R_V850_9_PCREL },
1693 { BFD_RELOC_V850_22_PCREL, R_V850_22_PCREL },
1694 { BFD_RELOC_HI16_S, R_V850_HI16_S },
1695 { BFD_RELOC_HI16, R_V850_HI16 },
1696 { BFD_RELOC_LO16, R_V850_LO16 },
1697 { BFD_RELOC_32, R_V850_ABS32 },
1698 { BFD_RELOC_32_PCREL, R_V850_REL32 },
1699 { BFD_RELOC_16, R_V850_16 },
1700 { BFD_RELOC_8, R_V850_8 },
1701 { BFD_RELOC_V850_SDA_16_16_OFFSET, R_V850_SDA_16_16_OFFSET },
1702 { BFD_RELOC_V850_SDA_15_16_OFFSET, R_V850_SDA_15_16_OFFSET },
1703 { BFD_RELOC_V850_ZDA_16_16_OFFSET, R_V850_ZDA_16_16_OFFSET },
1704 { BFD_RELOC_V850_ZDA_15_16_OFFSET, R_V850_ZDA_15_16_OFFSET },
1705 { BFD_RELOC_V850_TDA_6_8_OFFSET, R_V850_TDA_6_8_OFFSET },
1706 { BFD_RELOC_V850_TDA_7_8_OFFSET, R_V850_TDA_7_8_OFFSET },
1707 { BFD_RELOC_V850_TDA_7_7_OFFSET, R_V850_TDA_7_7_OFFSET },
1708 { BFD_RELOC_V850_TDA_16_16_OFFSET, R_V850_TDA_16_16_OFFSET },
1709 { BFD_RELOC_V850_TDA_4_5_OFFSET, R_V850_TDA_4_5_OFFSET },
1710 { BFD_RELOC_V850_TDA_4_4_OFFSET, R_V850_TDA_4_4_OFFSET },
1711 { BFD_RELOC_V850_LO16_SPLIT_OFFSET, R_V850_LO16_SPLIT_OFFSET },
1712 { BFD_RELOC_V850_SDA_16_16_SPLIT_OFFSET, R_V850_SDA_16_16_SPLIT_OFFSET },
1713 { BFD_RELOC_V850_ZDA_16_16_SPLIT_OFFSET, R_V850_ZDA_16_16_SPLIT_OFFSET },
1714 { BFD_RELOC_V850_CALLT_6_7_OFFSET, R_V850_CALLT_6_7_OFFSET },
1715 { BFD_RELOC_V850_CALLT_16_16_OFFSET, R_V850_CALLT_16_16_OFFSET },
1716 { BFD_RELOC_VTABLE_INHERIT, R_V850_GNU_VTINHERIT },
1717 { BFD_RELOC_VTABLE_ENTRY, R_V850_GNU_VTENTRY },
1718 { BFD_RELOC_V850_LONGCALL, R_V850_LONGCALL },
1719 { BFD_RELOC_V850_LONGJUMP, R_V850_LONGJUMP },
1720 { BFD_RELOC_V850_ALIGN, R_V850_ALIGN },
1721 { BFD_RELOC_V850_16_PCREL, R_V850_16_PCREL },
1722 { BFD_RELOC_V850_17_PCREL, R_V850_17_PCREL },
1723 { BFD_RELOC_V850_23, R_V850_23 },
1724 { BFD_RELOC_V850_32_PCREL, R_V850_32_PCREL },
1725 { BFD_RELOC_V850_32_ABS, R_V850_32_ABS },
1726 { BFD_RELOC_V850_16_SPLIT_OFFSET, R_V850_HI16 },
1727 { BFD_RELOC_V850_16_S1, R_V850_16_S1 },
1728 { BFD_RELOC_V850_LO16_S1, R_V850_LO16_S1 },
1729 { BFD_RELOC_V850_CALLT_15_16_OFFSET, R_V850_CALLT_15_16_OFFSET },
1730 { BFD_RELOC_V850_32_GOTPCREL, R_V850_32_GOTPCREL },
1731 { BFD_RELOC_V850_16_GOT, R_V850_16_GOT },
1732 { BFD_RELOC_V850_32_GOT, R_V850_32_GOT },
1733 { BFD_RELOC_V850_22_PLT_PCREL, R_V850_22_PLT },
1734 { BFD_RELOC_V850_32_PLT_PCREL, R_V850_32_PLT },
1735 { BFD_RELOC_V850_COPY, R_V850_COPY },
1736 { BFD_RELOC_V850_GLOB_DAT, R_V850_GLOB_DAT },
1737 { BFD_RELOC_V850_JMP_SLOT, R_V850_JMP_SLOT },
1738 { BFD_RELOC_V850_RELATIVE, R_V850_RELATIVE },
1739 { BFD_RELOC_V850_16_GOTOFF, R_V850_16_GOTOFF },
1740 { BFD_RELOC_V850_32_GOTOFF, R_V850_32_GOTOFF },
1741 { BFD_RELOC_V850_CODE, R_V850_CODE },
1742 { BFD_RELOC_V850_DATA, R_V850_DATA },
1743 };
1744 \f
1745 /* Map a bfd relocation into the appropriate howto structure. */
1746
1747 static reloc_howto_type *
1748 v850_elf_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
1749 bfd_reloc_code_real_type code)
1750 {
1751 unsigned int i;
1752
1753 for (i = ARRAY_SIZE (v850_elf_reloc_map); i --;)
1754 if (v850_elf_reloc_map[i].bfd_reloc_val == code)
1755 {
1756 unsigned int elf_reloc_val = v850_elf_reloc_map[i].elf_reloc_val;
1757
1758 BFD_ASSERT (v850_elf_howto_table[elf_reloc_val].type == elf_reloc_val);
1759
1760 return v850_elf_howto_table + elf_reloc_val;
1761 }
1762
1763 return NULL;
1764 }
1765
1766 static reloc_howto_type *
1767 v850_elf_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
1768 const char *r_name)
1769 {
1770 unsigned int i;
1771
1772 for (i = 0;
1773 i < sizeof (v850_elf_howto_table) / sizeof (v850_elf_howto_table[0]);
1774 i++)
1775 if (v850_elf_howto_table[i].name != NULL
1776 && strcasecmp (v850_elf_howto_table[i].name, r_name) == 0)
1777 return &v850_elf_howto_table[i];
1778
1779 return NULL;
1780 }
1781 \f
1782 /* Set the howto pointer for an V850 ELF reloc. */
1783
1784 static void
1785 v850_elf_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED,
1786 arelent *cache_ptr,
1787 Elf_Internal_Rela *dst)
1788 {
1789 unsigned int r_type;
1790
1791 r_type = ELF32_R_TYPE (dst->r_info);
1792 BFD_ASSERT (r_type < (unsigned int) R_V850_max);
1793 cache_ptr->howto = &v850_elf_howto_table[r_type];
1794 }
1795
1796 /* Set the howto pointer for a V850 ELF reloc (type RELA). */
1797
1798 static void
1799 v850_elf_info_to_howto_rela (bfd *abfd ATTRIBUTE_UNUSED,
1800 arelent * cache_ptr,
1801 Elf_Internal_Rela *dst)
1802 {
1803 unsigned int r_type;
1804
1805 r_type = ELF32_R_TYPE (dst->r_info);
1806 BFD_ASSERT (r_type < (unsigned int) R_V850_max);
1807 cache_ptr->howto = &v850_elf_howto_table[r_type];
1808 }
1809 \f
1810 static bfd_boolean
1811 v850_elf_is_local_label_name (bfd *abfd ATTRIBUTE_UNUSED, const char *name)
1812 {
1813 return ( (name[0] == '.' && (name[1] == 'L' || name[1] == '.'))
1814 || (name[0] == '_' && name[1] == '.' && name[2] == 'L' && name[3] == '_'));
1815 }
1816 \f
1817 /* We overload some of the bfd_reloc error codes for own purposes. */
1818 #define bfd_reloc_gp_not_found bfd_reloc_other
1819 #define bfd_reloc_ep_not_found bfd_reloc_continue
1820 #define bfd_reloc_ctbp_not_found (bfd_reloc_dangerous + 1)
1821
1822 /* Perform a relocation as part of a final link. */
1823
1824 static bfd_reloc_status_type
1825 v850_elf_final_link_relocate (reloc_howto_type *howto,
1826 bfd *input_bfd,
1827 bfd *output_bfd ATTRIBUTE_UNUSED,
1828 asection *input_section,
1829 bfd_byte *contents,
1830 bfd_vma offset,
1831 bfd_vma value,
1832 bfd_vma addend,
1833 struct bfd_link_info *info,
1834 asection *sym_sec,
1835 int is_local ATTRIBUTE_UNUSED)
1836 {
1837 unsigned int r_type = howto->type;
1838 bfd_byte *hit_data = contents + offset;
1839
1840 /* Adjust the value according to the relocation. */
1841 switch (r_type)
1842 {
1843 case R_V850_9_PCREL:
1844 value -= (input_section->output_section->vma
1845 + input_section->output_offset);
1846 value -= offset;
1847 break;
1848
1849 case R_V850_16_PCREL:
1850 value -= (input_section->output_section->vma
1851 + input_section->output_offset
1852 + offset);
1853
1854 /* If the sign extension will corrupt the value then we have overflowed. */
1855 if ((value & 0xffff0000) != 0xffff0000)
1856 return bfd_reloc_overflow;
1857
1858 break;
1859
1860 case R_V850_17_PCREL:
1861 value -= (input_section->output_section->vma
1862 + input_section->output_offset
1863 + offset);
1864
1865 /* If the sign extension will corrupt the value then we have overflowed. */
1866 if (((value & 0xffff0000) != 0x0) && ((value & 0xffff0000) != 0xffff0000))
1867 return bfd_reloc_overflow;
1868
1869 value = SEXT17 (value);
1870 break;
1871
1872 case R_V850_22_PCREL:
1873 value -= (input_section->output_section->vma
1874 + input_section->output_offset
1875 + offset);
1876
1877 /* If the sign extension will corrupt the value then we have overflowed. */
1878 if (((value & 0xffe00000) != 0x0) && ((value & 0xffe00000) != 0xffe00000))
1879 return bfd_reloc_overflow;
1880
1881 /* Only the bottom 22 bits of the PC are valid. */
1882 value = SEXT22 (value);
1883 break;
1884
1885 case R_V850_32_PCREL:
1886 value -= (input_section->output_section->vma
1887 + input_section->output_offset
1888 + offset);
1889 break;
1890
1891 case R_V850_32_ABS:
1892 case R_V850_23:
1893 case R_V850_HI16_S:
1894 case R_V850_HI16:
1895 case R_V850_LO16:
1896 case R_V850_LO16_S1:
1897 case R_V850_LO16_SPLIT_OFFSET:
1898 case R_V850_16:
1899 case R_V850_ABS32:
1900 case R_V850_8:
1901 break;
1902
1903 case R_V850_ZDA_15_16_OFFSET:
1904 case R_V850_ZDA_16_16_OFFSET:
1905 case R_V850_ZDA_16_16_SPLIT_OFFSET:
1906 if (sym_sec == NULL)
1907 return bfd_reloc_undefined;
1908
1909 value -= sym_sec->output_section->vma;
1910 break;
1911
1912 case R_V850_SDA_15_16_OFFSET:
1913 case R_V850_SDA_16_16_OFFSET:
1914 case R_V850_SDA_16_16_SPLIT_OFFSET:
1915 {
1916 unsigned long gp;
1917 struct bfd_link_hash_entry * h;
1918
1919 if (sym_sec == NULL)
1920 return bfd_reloc_undefined;
1921
1922 /* Get the value of __gp. */
1923 h = bfd_link_hash_lookup (info->hash, "__gp", FALSE, FALSE, TRUE);
1924 if (h == NULL
1925 || h->type != bfd_link_hash_defined)
1926 return bfd_reloc_gp_not_found;
1927
1928 gp = (h->u.def.value
1929 + h->u.def.section->output_section->vma
1930 + h->u.def.section->output_offset);
1931
1932 value -= sym_sec->output_section->vma;
1933 value -= (gp - sym_sec->output_section->vma);
1934 }
1935 break;
1936
1937 case R_V850_TDA_4_4_OFFSET:
1938 case R_V850_TDA_4_5_OFFSET:
1939 case R_V850_TDA_7_7_OFFSET:
1940 case R_V850_TDA_7_8_OFFSET:
1941 case R_V850_TDA_6_8_OFFSET:
1942 case R_V850_TDA_16_16_OFFSET:
1943 {
1944 unsigned long ep;
1945 struct bfd_link_hash_entry * h;
1946
1947 /* Get the value of __ep. */
1948 h = bfd_link_hash_lookup (info->hash, "__ep", FALSE, FALSE, TRUE);
1949 if (h == NULL
1950 || h->type != bfd_link_hash_defined)
1951 return bfd_reloc_ep_not_found;
1952
1953 ep = (h->u.def.value
1954 + h->u.def.section->output_section->vma
1955 + h->u.def.section->output_offset);
1956
1957 value -= ep;
1958 }
1959 break;
1960
1961 case R_V850_CALLT_6_7_OFFSET:
1962 {
1963 unsigned long ctbp;
1964 struct bfd_link_hash_entry * h;
1965
1966 /* Get the value of __ctbp. */
1967 h = bfd_link_hash_lookup (info->hash, "__ctbp", FALSE, FALSE, TRUE);
1968 if (h == NULL
1969 || h->type != bfd_link_hash_defined)
1970 return bfd_reloc_ctbp_not_found;
1971
1972 ctbp = (h->u.def.value
1973 + h->u.def.section->output_section->vma
1974 + h->u.def.section->output_offset);
1975 value -= ctbp;
1976 }
1977 break;
1978
1979 case R_V850_CALLT_15_16_OFFSET:
1980 case R_V850_CALLT_16_16_OFFSET:
1981 {
1982 unsigned long ctbp;
1983 struct bfd_link_hash_entry * h;
1984
1985 if (sym_sec == NULL)
1986 return bfd_reloc_undefined;
1987
1988 /* Get the value of __ctbp. */
1989 h = bfd_link_hash_lookup (info->hash, "__ctbp", FALSE, FALSE, TRUE);
1990 if (h == NULL
1991 || h->type != bfd_link_hash_defined)
1992 return bfd_reloc_ctbp_not_found;
1993
1994 ctbp = (h->u.def.value
1995 + h->u.def.section->output_section->vma
1996 + h->u.def.section->output_offset);
1997
1998 value -= sym_sec->output_section->vma;
1999 value -= (ctbp - sym_sec->output_section->vma);
2000 }
2001 break;
2002
2003 case R_V850_NONE:
2004 case R_V850_GNU_VTINHERIT:
2005 case R_V850_GNU_VTENTRY:
2006 case R_V850_LONGCALL:
2007 case R_V850_LONGJUMP:
2008 case R_V850_ALIGN:
2009 return bfd_reloc_ok;
2010
2011 default:
2012 return bfd_reloc_notsupported;
2013 }
2014
2015 /* Perform the relocation. */
2016 return v850_elf_perform_relocation (input_bfd, r_type, value + addend, hit_data);
2017 }
2018 \f
2019 /* Relocate an V850 ELF section. */
2020
2021 static bfd_boolean
2022 v850_elf_relocate_section (bfd *output_bfd,
2023 struct bfd_link_info *info,
2024 bfd *input_bfd,
2025 asection *input_section,
2026 bfd_byte *contents,
2027 Elf_Internal_Rela *relocs,
2028 Elf_Internal_Sym *local_syms,
2029 asection **local_sections)
2030 {
2031 Elf_Internal_Shdr *symtab_hdr;
2032 struct elf_link_hash_entry **sym_hashes;
2033 Elf_Internal_Rela *rel;
2034 Elf_Internal_Rela *relend;
2035
2036 symtab_hdr = & elf_tdata (input_bfd)->symtab_hdr;
2037 sym_hashes = elf_sym_hashes (input_bfd);
2038
2039 /* Reset the list of remembered HI16S relocs to empty. */
2040 free_hi16s = previous_hi16s;
2041 previous_hi16s = NULL;
2042 hi16s_counter = 0;
2043
2044 rel = relocs;
2045 relend = relocs + input_section->reloc_count;
2046 for (; rel < relend; rel++)
2047 {
2048 int r_type;
2049 reloc_howto_type *howto;
2050 unsigned long r_symndx;
2051 Elf_Internal_Sym *sym;
2052 asection *sec;
2053 struct elf_link_hash_entry *h;
2054 bfd_vma relocation;
2055 bfd_reloc_status_type r;
2056
2057 r_symndx = ELF32_R_SYM (rel->r_info);
2058 r_type = ELF32_R_TYPE (rel->r_info);
2059
2060 if (r_type == R_V850_GNU_VTENTRY
2061 || r_type == R_V850_GNU_VTINHERIT)
2062 continue;
2063
2064 howto = v850_elf_howto_table + r_type;
2065 h = NULL;
2066 sym = NULL;
2067 sec = NULL;
2068 if (r_symndx < symtab_hdr->sh_info)
2069 {
2070 sym = local_syms + r_symndx;
2071 sec = local_sections[r_symndx];
2072 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
2073 }
2074 else
2075 {
2076 bfd_boolean unresolved_reloc, warned;
2077
2078 /* Note - this check is delayed until now as it is possible and
2079 valid to have a file without any symbols but with relocs that
2080 can be processed. */
2081 if (sym_hashes == NULL)
2082 {
2083 info->callbacks->warning
2084 (info, "no hash table available",
2085 NULL, input_bfd, input_section, (bfd_vma) 0);
2086
2087 return FALSE;
2088 }
2089
2090 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
2091 r_symndx, symtab_hdr, sym_hashes,
2092 h, sec, relocation,
2093 unresolved_reloc, warned);
2094 }
2095
2096 if (sec != NULL && elf_discarded_section (sec))
2097 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
2098 rel, relend, howto, contents);
2099
2100 if (info->relocatable)
2101 continue;
2102
2103 /* FIXME: We should use the addend, but the COFF relocations don't. */
2104 r = v850_elf_final_link_relocate (howto, input_bfd, output_bfd,
2105 input_section,
2106 contents, rel->r_offset,
2107 relocation, rel->r_addend,
2108 info, sec, h == NULL);
2109
2110 if (r != bfd_reloc_ok)
2111 {
2112 const char * name;
2113 const char * msg = NULL;
2114
2115 if (h != NULL)
2116 name = h->root.root.string;
2117 else
2118 {
2119 name = (bfd_elf_string_from_elf_section
2120 (input_bfd, symtab_hdr->sh_link, sym->st_name));
2121 if (name == NULL || *name == '\0')
2122 name = bfd_section_name (input_bfd, sec);
2123 }
2124
2125 switch ((int) r)
2126 {
2127 case bfd_reloc_overflow:
2128 if (! ((*info->callbacks->reloc_overflow)
2129 (info, (h ? &h->root : NULL), name, howto->name,
2130 (bfd_vma) 0, input_bfd, input_section,
2131 rel->r_offset)))
2132 return FALSE;
2133 break;
2134
2135 case bfd_reloc_undefined:
2136 if (! ((*info->callbacks->undefined_symbol)
2137 (info, name, input_bfd, input_section,
2138 rel->r_offset, TRUE)))
2139 return FALSE;
2140 break;
2141
2142 case bfd_reloc_outofrange:
2143 msg = _("internal error: out of range error");
2144 goto common_error;
2145
2146 case bfd_reloc_notsupported:
2147 msg = _("internal error: unsupported relocation error");
2148 goto common_error;
2149
2150 case bfd_reloc_dangerous:
2151 msg = _("internal error: dangerous relocation");
2152 goto common_error;
2153
2154 case bfd_reloc_gp_not_found:
2155 msg = _("could not locate special linker symbol __gp");
2156 goto common_error;
2157
2158 case bfd_reloc_ep_not_found:
2159 msg = _("could not locate special linker symbol __ep");
2160 goto common_error;
2161
2162 case bfd_reloc_ctbp_not_found:
2163 msg = _("could not locate special linker symbol __ctbp");
2164 goto common_error;
2165
2166 default:
2167 msg = _("internal error: unknown error");
2168 /* fall through */
2169
2170 common_error:
2171 if (!((*info->callbacks->warning)
2172 (info, msg, name, input_bfd, input_section,
2173 rel->r_offset)))
2174 return FALSE;
2175 break;
2176 }
2177 }
2178 }
2179
2180 return TRUE;
2181 }
2182
2183 static asection *
2184 v850_elf_gc_mark_hook (asection *sec,
2185 struct bfd_link_info *info,
2186 Elf_Internal_Rela *rel,
2187 struct elf_link_hash_entry *h,
2188 Elf_Internal_Sym *sym)
2189 {
2190 if (h != NULL)
2191 switch (ELF32_R_TYPE (rel->r_info))
2192 {
2193 case R_V850_GNU_VTINHERIT:
2194 case R_V850_GNU_VTENTRY:
2195 return NULL;
2196 }
2197
2198 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
2199 }
2200
2201 /* Set the right machine number. */
2202
2203 static bfd_boolean
2204 v850_elf_object_p (bfd *abfd)
2205 {
2206 switch (elf_elfheader (abfd)->e_flags & EF_V850_ARCH)
2207 {
2208 default:
2209 case E_V850_ARCH:
2210 bfd_default_set_arch_mach (abfd, bfd_arch_v850, bfd_mach_v850);
2211 break;
2212 case E_V850E_ARCH:
2213 bfd_default_set_arch_mach (abfd, bfd_arch_v850, bfd_mach_v850e);
2214 break;
2215 case E_V850E1_ARCH:
2216 bfd_default_set_arch_mach (abfd, bfd_arch_v850, bfd_mach_v850e1);
2217 break;
2218 case E_V850E2_ARCH:
2219 bfd_default_set_arch_mach (abfd, bfd_arch_v850, bfd_mach_v850e2);
2220 break;
2221 case E_V850E2V3_ARCH:
2222 bfd_default_set_arch_mach (abfd, bfd_arch_v850, bfd_mach_v850e2v3);
2223 break;
2224 }
2225 return TRUE;
2226 }
2227
2228 /* Store the machine number in the flags field. */
2229
2230 static void
2231 v850_elf_final_write_processing (bfd *abfd,
2232 bfd_boolean linker ATTRIBUTE_UNUSED)
2233 {
2234 unsigned long val;
2235
2236 switch (bfd_get_mach (abfd))
2237 {
2238 default:
2239 case bfd_mach_v850: val = E_V850_ARCH; break;
2240 case bfd_mach_v850e: val = E_V850E_ARCH; break;
2241 case bfd_mach_v850e1: val = E_V850E1_ARCH; break;
2242 case bfd_mach_v850e2: val = E_V850E2_ARCH; break;
2243 case bfd_mach_v850e2v3: val = E_V850E2V3_ARCH; break;
2244 }
2245
2246 elf_elfheader (abfd)->e_flags &=~ EF_V850_ARCH;
2247 elf_elfheader (abfd)->e_flags |= val;
2248 }
2249
2250 /* Function to keep V850 specific file flags. */
2251
2252 static bfd_boolean
2253 v850_elf_set_private_flags (bfd *abfd, flagword flags)
2254 {
2255 BFD_ASSERT (!elf_flags_init (abfd)
2256 || elf_elfheader (abfd)->e_flags == flags);
2257
2258 elf_elfheader (abfd)->e_flags = flags;
2259 elf_flags_init (abfd) = TRUE;
2260 return TRUE;
2261 }
2262
2263 /* Merge backend specific data from an object file
2264 to the output object file when linking. */
2265
2266 static bfd_boolean
2267 v850_elf_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
2268 {
2269 flagword out_flags;
2270 flagword in_flags;
2271
2272 if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour
2273 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
2274 return TRUE;
2275
2276 in_flags = elf_elfheader (ibfd)->e_flags;
2277 out_flags = elf_elfheader (obfd)->e_flags;
2278
2279 if (! elf_flags_init (obfd))
2280 {
2281 /* If the input is the default architecture then do not
2282 bother setting the flags for the output architecture,
2283 instead allow future merges to do this. If no future
2284 merges ever set these flags then they will retain their
2285 unitialised values, which surprise surprise, correspond
2286 to the default values. */
2287 if (bfd_get_arch_info (ibfd)->the_default)
2288 return TRUE;
2289
2290 elf_flags_init (obfd) = TRUE;
2291 elf_elfheader (obfd)->e_flags = in_flags;
2292
2293 if (bfd_get_arch (obfd) == bfd_get_arch (ibfd)
2294 && bfd_get_arch_info (obfd)->the_default)
2295 return bfd_set_arch_mach (obfd, bfd_get_arch (ibfd), bfd_get_mach (ibfd));
2296
2297 return TRUE;
2298 }
2299
2300 /* Check flag compatibility. */
2301 if (in_flags == out_flags)
2302 return TRUE;
2303
2304 if ((in_flags & EF_V850_ARCH) != (out_flags & EF_V850_ARCH)
2305 && (in_flags & EF_V850_ARCH) != E_V850_ARCH)
2306 {
2307
2308 /* Allow v850e1 binaries to be linked with v850e binaries.
2309 Set the output binary to v850e. */
2310 if ((in_flags & EF_V850_ARCH) == E_V850E1_ARCH
2311 && (out_flags & EF_V850_ARCH) == E_V850E_ARCH)
2312 return TRUE;
2313
2314 if ((in_flags & EF_V850_ARCH) == E_V850_ARCH
2315 && (out_flags & EF_V850_ARCH) == E_V850E_ARCH)
2316 {
2317 elf_elfheader (obfd)->e_flags =
2318 ((out_flags & ~ EF_V850_ARCH) | E_V850E_ARCH);
2319 return TRUE;
2320 }
2321
2322 if (((in_flags & EF_V850_ARCH) == E_V850_ARCH
2323 || (in_flags & EF_V850_ARCH) == E_V850E_ARCH)
2324 && (out_flags & EF_V850_ARCH) == E_V850E2_ARCH)
2325 {
2326 elf_elfheader (obfd)->e_flags =
2327 ((out_flags & ~ EF_V850_ARCH) | E_V850E2_ARCH);
2328 return TRUE;
2329 }
2330
2331 if (((in_flags & EF_V850_ARCH) == E_V850_ARCH
2332 || (in_flags & EF_V850_ARCH) == E_V850E_ARCH
2333 || (in_flags & EF_V850_ARCH) == E_V850E2_ARCH)
2334 && (out_flags & EF_V850_ARCH) == E_V850E2V3_ARCH)
2335 {
2336 elf_elfheader (obfd)->e_flags =
2337 ((out_flags & ~ EF_V850_ARCH) | E_V850E2V3_ARCH);
2338 return TRUE;
2339 }
2340
2341 _bfd_error_handler (_("%B: Architecture mismatch with previous modules"),
2342 ibfd);
2343 }
2344
2345 return TRUE;
2346 }
2347
2348 /* Display the flags field. */
2349
2350 static bfd_boolean
2351 v850_elf_print_private_bfd_data (bfd *abfd, void * ptr)
2352 {
2353 FILE * file = (FILE *) ptr;
2354
2355 BFD_ASSERT (abfd != NULL && ptr != NULL);
2356
2357 _bfd_elf_print_private_bfd_data (abfd, ptr);
2358
2359 /* xgettext:c-format. */
2360 fprintf (file, _("private flags = %lx: "), elf_elfheader (abfd)->e_flags);
2361
2362 switch (elf_elfheader (abfd)->e_flags & EF_V850_ARCH)
2363 {
2364 default:
2365 case E_V850_ARCH: fprintf (file, _("v850 architecture")); break;
2366 case E_V850E_ARCH: fprintf (file, _("v850e architecture")); break;
2367 case E_V850E1_ARCH: fprintf (file, _("v850e1 architecture")); break;
2368 case E_V850E2_ARCH: fprintf (file, _("v850e2 architecture")); break;
2369 case E_V850E2V3_ARCH: fprintf (file, _("v850e2v3 architecture")); break;
2370 }
2371
2372 fputc ('\n', file);
2373
2374 return TRUE;
2375 }
2376
2377 /* V850 ELF uses four common sections. One is the usual one, and the
2378 others are for (small) objects in one of the special data areas:
2379 small, tiny and zero. All the objects are kept together, and then
2380 referenced via the gp register, the ep register or the r0 register
2381 respectively, which yields smaller, faster assembler code. This
2382 approach is copied from elf32-mips.c. */
2383
2384 static asection v850_elf_scom_section;
2385 static asymbol v850_elf_scom_symbol;
2386 static asymbol * v850_elf_scom_symbol_ptr;
2387 static asection v850_elf_tcom_section;
2388 static asymbol v850_elf_tcom_symbol;
2389 static asymbol * v850_elf_tcom_symbol_ptr;
2390 static asection v850_elf_zcom_section;
2391 static asymbol v850_elf_zcom_symbol;
2392 static asymbol * v850_elf_zcom_symbol_ptr;
2393
2394 /* Given a BFD section, try to locate the
2395 corresponding ELF section index. */
2396
2397 static bfd_boolean
2398 v850_elf_section_from_bfd_section (bfd *abfd ATTRIBUTE_UNUSED,
2399 asection *sec,
2400 int *retval)
2401 {
2402 if (strcmp (bfd_get_section_name (abfd, sec), ".scommon") == 0)
2403 *retval = SHN_V850_SCOMMON;
2404 else if (strcmp (bfd_get_section_name (abfd, sec), ".tcommon") == 0)
2405 *retval = SHN_V850_TCOMMON;
2406 else if (strcmp (bfd_get_section_name (abfd, sec), ".zcommon") == 0)
2407 *retval = SHN_V850_ZCOMMON;
2408 else
2409 return FALSE;
2410
2411 return TRUE;
2412 }
2413
2414 /* Handle the special V850 section numbers that a symbol may use. */
2415
2416 static void
2417 v850_elf_symbol_processing (bfd *abfd, asymbol *asym)
2418 {
2419 elf_symbol_type * elfsym = (elf_symbol_type *) asym;
2420 unsigned int indx;
2421
2422 indx = elfsym->internal_elf_sym.st_shndx;
2423
2424 /* If the section index is an "ordinary" index, then it may
2425 refer to a v850 specific section created by the assembler.
2426 Check the section's type and change the index it matches.
2427
2428 FIXME: Should we alter the st_shndx field as well ? */
2429
2430 if (indx < elf_numsections (abfd))
2431 switch (elf_elfsections (abfd)[indx]->sh_type)
2432 {
2433 case SHT_V850_SCOMMON:
2434 indx = SHN_V850_SCOMMON;
2435 break;
2436
2437 case SHT_V850_TCOMMON:
2438 indx = SHN_V850_TCOMMON;
2439 break;
2440
2441 case SHT_V850_ZCOMMON:
2442 indx = SHN_V850_ZCOMMON;
2443 break;
2444
2445 default:
2446 break;
2447 }
2448
2449 switch (indx)
2450 {
2451 case SHN_V850_SCOMMON:
2452 if (v850_elf_scom_section.name == NULL)
2453 {
2454 /* Initialize the small common section. */
2455 v850_elf_scom_section.name = ".scommon";
2456 v850_elf_scom_section.flags = SEC_IS_COMMON | SEC_ALLOC | SEC_DATA;
2457 v850_elf_scom_section.output_section = & v850_elf_scom_section;
2458 v850_elf_scom_section.symbol = & v850_elf_scom_symbol;
2459 v850_elf_scom_section.symbol_ptr_ptr = & v850_elf_scom_symbol_ptr;
2460 v850_elf_scom_symbol.name = ".scommon";
2461 v850_elf_scom_symbol.flags = BSF_SECTION_SYM;
2462 v850_elf_scom_symbol.section = & v850_elf_scom_section;
2463 v850_elf_scom_symbol_ptr = & v850_elf_scom_symbol;
2464 }
2465 asym->section = & v850_elf_scom_section;
2466 asym->value = elfsym->internal_elf_sym.st_size;
2467 break;
2468
2469 case SHN_V850_TCOMMON:
2470 if (v850_elf_tcom_section.name == NULL)
2471 {
2472 /* Initialize the tcommon section. */
2473 v850_elf_tcom_section.name = ".tcommon";
2474 v850_elf_tcom_section.flags = SEC_IS_COMMON;
2475 v850_elf_tcom_section.output_section = & v850_elf_tcom_section;
2476 v850_elf_tcom_section.symbol = & v850_elf_tcom_symbol;
2477 v850_elf_tcom_section.symbol_ptr_ptr = & v850_elf_tcom_symbol_ptr;
2478 v850_elf_tcom_symbol.name = ".tcommon";
2479 v850_elf_tcom_symbol.flags = BSF_SECTION_SYM;
2480 v850_elf_tcom_symbol.section = & v850_elf_tcom_section;
2481 v850_elf_tcom_symbol_ptr = & v850_elf_tcom_symbol;
2482 }
2483 asym->section = & v850_elf_tcom_section;
2484 asym->value = elfsym->internal_elf_sym.st_size;
2485 break;
2486
2487 case SHN_V850_ZCOMMON:
2488 if (v850_elf_zcom_section.name == NULL)
2489 {
2490 /* Initialize the zcommon section. */
2491 v850_elf_zcom_section.name = ".zcommon";
2492 v850_elf_zcom_section.flags = SEC_IS_COMMON;
2493 v850_elf_zcom_section.output_section = & v850_elf_zcom_section;
2494 v850_elf_zcom_section.symbol = & v850_elf_zcom_symbol;
2495 v850_elf_zcom_section.symbol_ptr_ptr = & v850_elf_zcom_symbol_ptr;
2496 v850_elf_zcom_symbol.name = ".zcommon";
2497 v850_elf_zcom_symbol.flags = BSF_SECTION_SYM;
2498 v850_elf_zcom_symbol.section = & v850_elf_zcom_section;
2499 v850_elf_zcom_symbol_ptr = & v850_elf_zcom_symbol;
2500 }
2501 asym->section = & v850_elf_zcom_section;
2502 asym->value = elfsym->internal_elf_sym.st_size;
2503 break;
2504 }
2505 }
2506
2507 /* Hook called by the linker routine which adds symbols from an object
2508 file. We must handle the special v850 section numbers here. */
2509
2510 static bfd_boolean
2511 v850_elf_add_symbol_hook (bfd *abfd,
2512 struct bfd_link_info *info ATTRIBUTE_UNUSED,
2513 Elf_Internal_Sym *sym,
2514 const char **namep ATTRIBUTE_UNUSED,
2515 flagword *flagsp ATTRIBUTE_UNUSED,
2516 asection **secp,
2517 bfd_vma *valp)
2518 {
2519 unsigned int indx = sym->st_shndx;
2520
2521 /* If the section index is an "ordinary" index, then it may
2522 refer to a v850 specific section created by the assembler.
2523 Check the section's type and change the index it matches.
2524
2525 FIXME: Should we alter the st_shndx field as well ? */
2526
2527 if (indx < elf_numsections (abfd))
2528 switch (elf_elfsections (abfd)[indx]->sh_type)
2529 {
2530 case SHT_V850_SCOMMON:
2531 indx = SHN_V850_SCOMMON;
2532 break;
2533
2534 case SHT_V850_TCOMMON:
2535 indx = SHN_V850_TCOMMON;
2536 break;
2537
2538 case SHT_V850_ZCOMMON:
2539 indx = SHN_V850_ZCOMMON;
2540 break;
2541
2542 default:
2543 break;
2544 }
2545
2546 switch (indx)
2547 {
2548 case SHN_V850_SCOMMON:
2549 *secp = bfd_make_section_old_way (abfd, ".scommon");
2550 (*secp)->flags |= SEC_IS_COMMON;
2551 *valp = sym->st_size;
2552 break;
2553
2554 case SHN_V850_TCOMMON:
2555 *secp = bfd_make_section_old_way (abfd, ".tcommon");
2556 (*secp)->flags |= SEC_IS_COMMON;
2557 *valp = sym->st_size;
2558 break;
2559
2560 case SHN_V850_ZCOMMON:
2561 *secp = bfd_make_section_old_way (abfd, ".zcommon");
2562 (*secp)->flags |= SEC_IS_COMMON;
2563 *valp = sym->st_size;
2564 break;
2565 }
2566
2567 return TRUE;
2568 }
2569
2570 static int
2571 v850_elf_link_output_symbol_hook (struct bfd_link_info *info ATTRIBUTE_UNUSED,
2572 const char *name ATTRIBUTE_UNUSED,
2573 Elf_Internal_Sym *sym,
2574 asection *input_sec,
2575 struct elf_link_hash_entry *h ATTRIBUTE_UNUSED)
2576 {
2577 /* If we see a common symbol, which implies a relocatable link, then
2578 if a symbol was in a special common section in an input file, mark
2579 it as a special common in the output file. */
2580
2581 if (sym->st_shndx == SHN_COMMON)
2582 {
2583 if (strcmp (input_sec->name, ".scommon") == 0)
2584 sym->st_shndx = SHN_V850_SCOMMON;
2585 else if (strcmp (input_sec->name, ".tcommon") == 0)
2586 sym->st_shndx = SHN_V850_TCOMMON;
2587 else if (strcmp (input_sec->name, ".zcommon") == 0)
2588 sym->st_shndx = SHN_V850_ZCOMMON;
2589 }
2590
2591 /* The price we pay for using h->other unused bits as flags in the
2592 linker is cleaning up after ourselves. */
2593
2594 sym->st_other &= ~(V850_OTHER_SDA | V850_OTHER_ZDA | V850_OTHER_TDA
2595 | V850_OTHER_ERROR);
2596
2597 return 1;
2598 }
2599
2600 static bfd_boolean
2601 v850_elf_section_from_shdr (bfd *abfd,
2602 Elf_Internal_Shdr *hdr,
2603 const char *name,
2604 int shindex)
2605 {
2606 /* There ought to be a place to keep ELF backend specific flags, but
2607 at the moment there isn't one. We just keep track of the
2608 sections by their name, instead. */
2609
2610 if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex))
2611 return FALSE;
2612
2613 switch (hdr->sh_type)
2614 {
2615 case SHT_V850_SCOMMON:
2616 case SHT_V850_TCOMMON:
2617 case SHT_V850_ZCOMMON:
2618 if (! bfd_set_section_flags (abfd, hdr->bfd_section,
2619 (bfd_get_section_flags (abfd,
2620 hdr->bfd_section)
2621 | SEC_IS_COMMON)))
2622 return FALSE;
2623 }
2624
2625 return TRUE;
2626 }
2627
2628 /* Set the correct type for a V850 ELF section. We do this
2629 by the section name, which is a hack, but ought to work. */
2630
2631 static bfd_boolean
2632 v850_elf_fake_sections (bfd *abfd ATTRIBUTE_UNUSED,
2633 Elf_Internal_Shdr *hdr,
2634 asection *sec)
2635 {
2636 const char * name;
2637
2638 name = bfd_get_section_name (abfd, sec);
2639
2640 if (strcmp (name, ".scommon") == 0)
2641 hdr->sh_type = SHT_V850_SCOMMON;
2642 else if (strcmp (name, ".tcommon") == 0)
2643 hdr->sh_type = SHT_V850_TCOMMON;
2644 else if (strcmp (name, ".zcommon") == 0)
2645 hdr->sh_type = SHT_V850_ZCOMMON;
2646
2647 return TRUE;
2648 }
2649
2650 /* Delete some bytes from a section while relaxing. */
2651
2652 static bfd_boolean
2653 v850_elf_relax_delete_bytes (bfd *abfd,
2654 asection *sec,
2655 bfd_vma addr,
2656 bfd_vma toaddr,
2657 int count)
2658 {
2659 Elf_Internal_Shdr *symtab_hdr;
2660 Elf32_External_Sym *extsyms;
2661 Elf32_External_Sym *esym;
2662 Elf32_External_Sym *esymend;
2663 int sym_index;
2664 unsigned int sec_shndx;
2665 bfd_byte *contents;
2666 Elf_Internal_Rela *irel;
2667 Elf_Internal_Rela *irelend;
2668 struct elf_link_hash_entry *sym_hash;
2669 Elf_Internal_Shdr *shndx_hdr;
2670 Elf_External_Sym_Shndx *shndx;
2671
2672 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
2673 extsyms = (Elf32_External_Sym *) symtab_hdr->contents;
2674
2675 sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
2676
2677 contents = elf_section_data (sec)->this_hdr.contents;
2678
2679 /* The deletion must stop at the next ALIGN reloc for an alignment
2680 power larger than the number of bytes we are deleting. */
2681
2682 /* Actually delete the bytes. */
2683 #if (DEBUG_RELAX & 2)
2684 fprintf (stderr, "relax_delete: contents: sec: %s %p .. %p %x\n",
2685 sec->name, addr, toaddr, count );
2686 #endif
2687 memmove (contents + addr, contents + addr + count,
2688 toaddr - addr - count);
2689 memset (contents + toaddr-count, 0, count);
2690
2691 /* Adjust all the relocs. */
2692 irel = elf_section_data (sec)->relocs;
2693 irelend = irel + sec->reloc_count;
2694 shndx_hdr = &elf_tdata (abfd)->symtab_shndx_hdr;
2695 shndx = (Elf_External_Sym_Shndx *) shndx_hdr->contents;
2696
2697 for (; irel < irelend; irel++)
2698 {
2699 bfd_vma raddr, paddr, symval;
2700 Elf_Internal_Sym isym;
2701
2702 /* Get the new reloc address. */
2703 raddr = irel->r_offset;
2704 if ((raddr >= (addr + count) && raddr < toaddr))
2705 irel->r_offset -= count;
2706
2707 if (raddr >= addr && raddr < addr + count)
2708 {
2709 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
2710 (int) R_V850_NONE);
2711 continue;
2712 }
2713
2714 if (ELF32_R_TYPE (irel->r_info) == (int) R_V850_ALIGN)
2715 continue;
2716
2717 bfd_elf32_swap_symbol_in (abfd,
2718 extsyms + ELF32_R_SYM (irel->r_info),
2719 shndx ? shndx + ELF32_R_SYM (irel->r_info) : NULL,
2720 & isym);
2721
2722 if (isym.st_shndx != sec_shndx)
2723 continue;
2724
2725 /* Get the value of the symbol referred to by the reloc. */
2726 if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
2727 {
2728 symval = isym.st_value;
2729 #if (DEBUG_RELAX & 2)
2730 {
2731 char * name = bfd_elf_string_from_elf_section
2732 (abfd, symtab_hdr->sh_link, isym.st_name);
2733 fprintf (stderr,
2734 "relax_delete: local: sec: %s, sym: %s (%d), value: %x + %x + %x addend %x\n",
2735 sec->name, name, isym.st_name,
2736 sec->output_section->vma, sec->output_offset,
2737 isym.st_value, irel->r_addend);
2738 }
2739 #endif
2740 }
2741 else
2742 {
2743 unsigned long indx;
2744 struct elf_link_hash_entry * h;
2745
2746 /* An external symbol. */
2747 indx = ELF32_R_SYM (irel->r_info) - symtab_hdr->sh_info;
2748
2749 h = elf_sym_hashes (abfd) [indx];
2750 BFD_ASSERT (h != NULL);
2751
2752 symval = h->root.u.def.value;
2753 #if (DEBUG_RELAX & 2)
2754 fprintf (stderr,
2755 "relax_delete: defined: sec: %s, name: %s, value: %x + %x + %x addend %x\n",
2756 sec->name, h->root.root.string, h->root.u.def.value,
2757 sec->output_section->vma, sec->output_offset, irel->r_addend);
2758 #endif
2759 }
2760
2761 paddr = symval + irel->r_addend;
2762
2763 if ( (symval >= addr + count && symval < toaddr)
2764 && (paddr < addr + count || paddr >= toaddr))
2765 irel->r_addend += count;
2766 else if ( (symval < addr + count || symval >= toaddr)
2767 && (paddr >= addr + count && paddr < toaddr))
2768 irel->r_addend -= count;
2769 }
2770
2771 /* Adjust the local symbols defined in this section. */
2772 esym = extsyms;
2773 esymend = esym + symtab_hdr->sh_info;
2774
2775 for (; esym < esymend; esym++, shndx = (shndx ? shndx + 1 : NULL))
2776 {
2777 Elf_Internal_Sym isym;
2778
2779 bfd_elf32_swap_symbol_in (abfd, esym, shndx, & isym);
2780
2781 if (isym.st_shndx == sec_shndx
2782 && isym.st_value >= addr + count
2783 && isym.st_value < toaddr)
2784 {
2785 isym.st_value -= count;
2786
2787 if (isym.st_value + isym.st_size >= toaddr)
2788 isym.st_size += count;
2789
2790 bfd_elf32_swap_symbol_out (abfd, & isym, esym, shndx);
2791 }
2792 else if (isym.st_shndx == sec_shndx
2793 && isym.st_value < addr + count)
2794 {
2795 if (isym.st_value+isym.st_size >= addr + count
2796 && isym.st_value+isym.st_size < toaddr)
2797 isym.st_size -= count;
2798
2799 if (isym.st_value >= addr
2800 && isym.st_value < addr + count)
2801 isym.st_value = addr;
2802
2803 bfd_elf32_swap_symbol_out (abfd, & isym, esym, shndx);
2804 }
2805 }
2806
2807 /* Now adjust the global symbols defined in this section. */
2808 esym = extsyms + symtab_hdr->sh_info;
2809 esymend = extsyms + (symtab_hdr->sh_size / sizeof (Elf32_External_Sym));
2810
2811 for (sym_index = 0; esym < esymend; esym ++, sym_index ++)
2812 {
2813 Elf_Internal_Sym isym;
2814
2815 bfd_elf32_swap_symbol_in (abfd, esym, shndx, & isym);
2816 sym_hash = elf_sym_hashes (abfd) [sym_index];
2817
2818 if (isym.st_shndx == sec_shndx
2819 && ((sym_hash)->root.type == bfd_link_hash_defined
2820 || (sym_hash)->root.type == bfd_link_hash_defweak)
2821 && (sym_hash)->root.u.def.section == sec
2822 && (sym_hash)->root.u.def.value >= addr + count
2823 && (sym_hash)->root.u.def.value < toaddr)
2824 {
2825 if ((sym_hash)->root.u.def.value + isym.st_size >= toaddr)
2826 {
2827 isym.st_size += count;
2828 bfd_elf32_swap_symbol_out (abfd, & isym, esym, shndx);
2829 }
2830
2831 (sym_hash)->root.u.def.value -= count;
2832 }
2833 else if (isym.st_shndx == sec_shndx
2834 && ((sym_hash)->root.type == bfd_link_hash_defined
2835 || (sym_hash)->root.type == bfd_link_hash_defweak)
2836 && (sym_hash)->root.u.def.section == sec
2837 && (sym_hash)->root.u.def.value < addr + count)
2838 {
2839 if ((sym_hash)->root.u.def.value+isym.st_size >= addr + count
2840 && (sym_hash)->root.u.def.value+isym.st_size < toaddr)
2841 isym.st_size -= count;
2842
2843 if ((sym_hash)->root.u.def.value >= addr
2844 && (sym_hash)->root.u.def.value < addr + count)
2845 (sym_hash)->root.u.def.value = addr;
2846
2847 bfd_elf32_swap_symbol_out (abfd, & isym, esym, shndx);
2848 }
2849
2850 if (shndx)
2851 ++ shndx;
2852 }
2853
2854 return TRUE;
2855 }
2856
2857 #define NOP_OPCODE (0x0000)
2858 #define MOVHI 0x0640 /* 4byte. */
2859 #define MOVHI_MASK 0x07e0
2860 #define MOVHI_R1(insn) ((insn) & 0x1f) /* 4byte. */
2861 #define MOVHI_R2(insn) ((insn) >> 11)
2862 #define MOVEA 0x0620 /* 2byte. */
2863 #define MOVEA_MASK 0x07e0
2864 #define MOVEA_R1(insn) ((insn) & 0x1f)
2865 #define MOVEA_R2(insn) ((insn) >> 11)
2866 #define JARL_4 0x00040780 /* 4byte. */
2867 #define JARL_4_MASK 0xFFFF07FF
2868 #define JARL_R2(insn) (int)(((insn) & (~JARL_4_MASK)) >> 11)
2869 #define ADD_I 0x0240 /* 2byte. */
2870 #define ADD_I_MASK 0x07e0
2871 #define ADD_I5(insn) ((((insn) & 0x001f) << 11) >> 11) /* 2byte. */
2872 #define ADD_R2(insn) ((insn) >> 11)
2873 #define JMP_R 0x0060 /* 2byte. */
2874 #define JMP_R_MASK 0xFFE0
2875 #define JMP_R1(insn) ((insn) & 0x1f)
2876
2877 static bfd_boolean
2878 v850_elf_relax_section (bfd *abfd,
2879 asection *sec,
2880 struct bfd_link_info *link_info,
2881 bfd_boolean *again)
2882 {
2883 Elf_Internal_Shdr *symtab_hdr;
2884 Elf_Internal_Rela *internal_relocs;
2885 Elf_Internal_Rela *irel;
2886 Elf_Internal_Rela *irelend;
2887 Elf_Internal_Rela *irelalign = NULL;
2888 Elf_Internal_Sym *isymbuf = NULL;
2889 bfd_byte *contents = NULL;
2890 bfd_vma addr = 0;
2891 bfd_vma toaddr;
2892 int align_pad_size = 0;
2893 bfd_boolean result = TRUE;
2894
2895 *again = FALSE;
2896
2897 if (link_info->relocatable
2898 || (sec->flags & SEC_RELOC) == 0
2899 || sec->reloc_count == 0)
2900 return TRUE;
2901
2902 symtab_hdr = & elf_tdata (abfd)->symtab_hdr;
2903
2904 internal_relocs = (_bfd_elf_link_read_relocs
2905 (abfd, sec, NULL, NULL, link_info->keep_memory));
2906 if (internal_relocs == NULL)
2907 goto error_return;
2908
2909 irelend = internal_relocs + sec->reloc_count;
2910
2911 while (addr < sec->size)
2912 {
2913 toaddr = sec->size;
2914
2915 for (irel = internal_relocs; irel < irelend; irel ++)
2916 if (ELF32_R_TYPE (irel->r_info) == (int) R_V850_ALIGN
2917 && irel->r_offset > addr
2918 && irel->r_offset < toaddr)
2919 toaddr = irel->r_offset;
2920
2921 #ifdef DEBUG_RELAX
2922 fprintf (stderr, "relax region 0x%x to 0x%x align pad %d\n",
2923 addr, toaddr, align_pad_size);
2924 #endif
2925 if (irelalign)
2926 {
2927 bfd_vma alignto;
2928 bfd_vma alignmoveto;
2929
2930 alignmoveto = BFD_ALIGN (addr - align_pad_size, 1 << irelalign->r_addend);
2931 alignto = BFD_ALIGN (addr, 1 << irelalign->r_addend);
2932
2933 if (alignmoveto < alignto)
2934 {
2935 unsigned int i;
2936
2937 align_pad_size = alignto - alignmoveto;
2938 #ifdef DEBUG_RELAX
2939 fprintf (stderr, "relax move region 0x%x to 0x%x delete size 0x%x\n",
2940 alignmoveto, toaddr, align_pad_size);
2941 #endif
2942 if (!v850_elf_relax_delete_bytes (abfd, sec, alignmoveto,
2943 toaddr, align_pad_size))
2944 goto error_return;
2945
2946 for (i = BFD_ALIGN (toaddr - align_pad_size, 1);
2947 (i + 1) < toaddr; i += 2)
2948 bfd_put_16 (abfd, NOP_OPCODE, contents + i);
2949
2950 addr = alignmoveto;
2951 }
2952 else
2953 align_pad_size = 0;
2954 }
2955
2956 for (irel = internal_relocs; irel < irelend; irel++)
2957 {
2958 bfd_vma laddr;
2959 bfd_vma addend;
2960 bfd_vma symval;
2961 int insn[5];
2962 int no_match = -1;
2963 Elf_Internal_Rela *hi_irelfn;
2964 Elf_Internal_Rela *lo_irelfn;
2965 Elf_Internal_Rela *irelcall;
2966 bfd_signed_vma foff;
2967
2968 if (! (irel->r_offset >= addr && irel->r_offset < toaddr
2969 && (ELF32_R_TYPE (irel->r_info) == (int) R_V850_LONGCALL
2970 || ELF32_R_TYPE (irel->r_info) == (int) R_V850_LONGJUMP)))
2971 continue;
2972
2973 #ifdef DEBUG_RELAX
2974 fprintf (stderr, "relax check r_info 0x%x r_offset 0x%x r_addend 0x%x\n",
2975 irel->r_info,
2976 irel->r_offset,
2977 irel->r_addend );
2978 #endif
2979
2980 /* Get the section contents. */
2981 if (contents == NULL)
2982 {
2983 if (elf_section_data (sec)->this_hdr.contents != NULL)
2984 contents = elf_section_data (sec)->this_hdr.contents;
2985 else
2986 {
2987 if (! bfd_malloc_and_get_section (abfd, sec, &contents))
2988 goto error_return;
2989 }
2990 }
2991
2992 /* Read this BFD's local symbols if we haven't done so already. */
2993 if (isymbuf == NULL && symtab_hdr->sh_info != 0)
2994 {
2995 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
2996 if (isymbuf == NULL)
2997 isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
2998 symtab_hdr->sh_info, 0,
2999 NULL, NULL, NULL);
3000 if (isymbuf == NULL)
3001 goto error_return;
3002 }
3003
3004 laddr = irel->r_offset;
3005
3006 if (ELF32_R_TYPE (irel->r_info) == (int) R_V850_LONGCALL)
3007 {
3008 /* Check code for -mlong-calls output. */
3009 if (laddr + 16 <= (bfd_vma) sec->size)
3010 {
3011 insn[0] = bfd_get_16 (abfd, contents + laddr);
3012 insn[1] = bfd_get_16 (abfd, contents + laddr + 4);
3013 insn[2] = bfd_get_32 (abfd, contents + laddr + 8);
3014 insn[3] = bfd_get_16 (abfd, contents + laddr + 12);
3015 insn[4] = bfd_get_16 (abfd, contents + laddr + 14);
3016
3017 if ((insn[0] & MOVHI_MASK) != MOVHI
3018 || MOVHI_R1 (insn[0]) != 0)
3019 no_match = 0;
3020
3021 if (no_match < 0
3022 && ((insn[1] & MOVEA_MASK) != MOVEA
3023 || MOVHI_R2 (insn[0]) != MOVEA_R1 (insn[1])))
3024 no_match = 1;
3025
3026 if (no_match < 0
3027 && (insn[2] & JARL_4_MASK) != JARL_4)
3028 no_match = 2;
3029
3030 if (no_match < 0
3031 && ((insn[3] & ADD_I_MASK) != ADD_I
3032 || ADD_I5 (insn[3]) != 4
3033 || JARL_R2 (insn[2]) != ADD_R2 (insn[3])))
3034 no_match = 3;
3035
3036 if (no_match < 0
3037 && ((insn[4] & JMP_R_MASK) != JMP_R
3038 || MOVEA_R2 (insn[1]) != JMP_R1 (insn[4])))
3039 no_match = 4;
3040 }
3041 else
3042 {
3043 ((*_bfd_error_handler)
3044 ("%s: 0x%lx: warning: R_V850_LONGCALL points to unrecognized insns",
3045 bfd_get_filename (abfd), (unsigned long) irel->r_offset));
3046
3047 continue;
3048 }
3049
3050 if (no_match >= 0)
3051 {
3052 ((*_bfd_error_handler)
3053 ("%s: 0x%lx: warning: R_V850_LONGCALL points to unrecognized insn 0x%x",
3054 bfd_get_filename (abfd), (unsigned long) irel->r_offset+no_match, insn[no_match]));
3055
3056 continue;
3057 }
3058
3059 /* Get the reloc for the address from which the register is
3060 being loaded. This reloc will tell us which function is
3061 actually being called. */
3062 for (hi_irelfn = internal_relocs; hi_irelfn < irelend; hi_irelfn ++)
3063 if (hi_irelfn->r_offset == laddr + 2
3064 && ELF32_R_TYPE (hi_irelfn->r_info)
3065 == (int) R_V850_HI16_S)
3066 break;
3067
3068 for (lo_irelfn = internal_relocs; lo_irelfn < irelend; lo_irelfn ++)
3069 if (lo_irelfn->r_offset == laddr + 6
3070 && ELF32_R_TYPE (lo_irelfn->r_info)
3071 == (int) R_V850_LO16)
3072 break;
3073
3074 for (irelcall = internal_relocs; irelcall < irelend; irelcall ++)
3075 if (irelcall->r_offset == laddr + 8
3076 && ELF32_R_TYPE (irelcall->r_info)
3077 == (int) R_V850_22_PCREL)
3078 break;
3079
3080 if ( hi_irelfn == irelend
3081 || lo_irelfn == irelend
3082 || irelcall == irelend)
3083 {
3084 ((*_bfd_error_handler)
3085 ("%s: 0x%lx: warning: R_V850_LONGCALL points to unrecognized reloc",
3086 bfd_get_filename (abfd), (unsigned long) irel->r_offset ));
3087
3088 continue;
3089 }
3090
3091 if (ELF32_R_SYM (irelcall->r_info) < symtab_hdr->sh_info)
3092 {
3093 Elf_Internal_Sym * isym;
3094
3095 /* A local symbol. */
3096 isym = isymbuf + ELF32_R_SYM (irelcall->r_info);
3097
3098 symval = isym->st_value;
3099 }
3100 else
3101 {
3102 unsigned long indx;
3103 struct elf_link_hash_entry * h;
3104
3105 /* An external symbol. */
3106 indx = ELF32_R_SYM (irelcall->r_info) - symtab_hdr->sh_info;
3107 h = elf_sym_hashes (abfd)[indx];
3108 BFD_ASSERT (h != NULL);
3109
3110 if ( h->root.type != bfd_link_hash_defined
3111 && h->root.type != bfd_link_hash_defweak)
3112 /* This appears to be a reference to an undefined
3113 symbol. Just ignore it--it will be caught by the
3114 regular reloc processing. */
3115 continue;
3116
3117 symval = h->root.u.def.value;
3118 }
3119
3120 if (symval + irelcall->r_addend != irelcall->r_offset + 4)
3121 {
3122 ((*_bfd_error_handler)
3123 ("%s: 0x%lx: warning: R_V850_LONGCALL points to unrecognized reloc 0x%lx",
3124 bfd_get_filename (abfd), (unsigned long) irel->r_offset, irelcall->r_offset ));
3125
3126 continue;
3127 }
3128
3129 /* Get the value of the symbol referred to by the reloc. */
3130 if (ELF32_R_SYM (hi_irelfn->r_info) < symtab_hdr->sh_info)
3131 {
3132 Elf_Internal_Sym *isym;
3133 asection *sym_sec;
3134
3135 /* A local symbol. */
3136 isym = isymbuf + ELF32_R_SYM (hi_irelfn->r_info);
3137
3138 if (isym->st_shndx == SHN_UNDEF)
3139 sym_sec = bfd_und_section_ptr;
3140 else if (isym->st_shndx == SHN_ABS)
3141 sym_sec = bfd_abs_section_ptr;
3142 else if (isym->st_shndx == SHN_COMMON)
3143 sym_sec = bfd_com_section_ptr;
3144 else
3145 sym_sec = bfd_section_from_elf_index (abfd, isym->st_shndx);
3146 symval = (isym->st_value
3147 + sym_sec->output_section->vma
3148 + sym_sec->output_offset);
3149 }
3150 else
3151 {
3152 unsigned long indx;
3153 struct elf_link_hash_entry *h;
3154
3155 /* An external symbol. */
3156 indx = ELF32_R_SYM (hi_irelfn->r_info) - symtab_hdr->sh_info;
3157 h = elf_sym_hashes (abfd)[indx];
3158 BFD_ASSERT (h != NULL);
3159
3160 if ( h->root.type != bfd_link_hash_defined
3161 && h->root.type != bfd_link_hash_defweak)
3162 /* This appears to be a reference to an undefined
3163 symbol. Just ignore it--it will be caught by the
3164 regular reloc processing. */
3165 continue;
3166
3167 symval = (h->root.u.def.value
3168 + h->root.u.def.section->output_section->vma
3169 + h->root.u.def.section->output_offset);
3170 }
3171
3172 addend = irel->r_addend;
3173
3174 foff = (symval + addend
3175 - (irel->r_offset
3176 + sec->output_section->vma
3177 + sec->output_offset
3178 + 4));
3179 #ifdef DEBUG_RELAX
3180 fprintf (stderr, "relax longcall r_offset 0x%x ptr 0x%x symbol 0x%x addend 0x%x distance 0x%x\n",
3181 irel->r_offset,
3182 (irel->r_offset
3183 + sec->output_section->vma
3184 + sec->output_offset),
3185 symval, addend, foff);
3186 #endif
3187
3188 if (foff < -0x100000 || foff >= 0x100000)
3189 /* After all that work, we can't shorten this function call. */
3190 continue;
3191
3192 /* For simplicity of coding, we are going to modify the section
3193 contents, the section relocs, and the BFD symbol table. We
3194 must tell the rest of the code not to free up this
3195 information. It would be possible to instead create a table
3196 of changes which have to be made, as is done in coff-mips.c;
3197 that would be more work, but would require less memory when
3198 the linker is run. */
3199 elf_section_data (sec)->relocs = internal_relocs;
3200 elf_section_data (sec)->this_hdr.contents = contents;
3201 symtab_hdr->contents = (bfd_byte *) isymbuf;
3202
3203 /* Replace the long call with a jarl. */
3204 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (hi_irelfn->r_info), R_V850_22_PCREL);
3205
3206 addend = 0;
3207
3208 if (ELF32_R_SYM (hi_irelfn->r_info) < symtab_hdr->sh_info)
3209 /* If this needs to be changed because of future relaxing,
3210 it will be handled here like other internal IND12W
3211 relocs. */
3212 bfd_put_32 (abfd,
3213 0x00000780 | (JARL_R2 (insn[2])<<11) | ((addend << 16) & 0xffff) | ((addend >> 16) & 0xf),
3214 contents + irel->r_offset);
3215 else
3216 /* We can't fully resolve this yet, because the external
3217 symbol value may be changed by future relaxing.
3218 We let the final link phase handle it. */
3219 bfd_put_32 (abfd, 0x00000780 | (JARL_R2 (insn[2])<<11),
3220 contents + irel->r_offset);
3221
3222 hi_irelfn->r_info =
3223 ELF32_R_INFO (ELF32_R_SYM (hi_irelfn->r_info), R_V850_NONE);
3224 lo_irelfn->r_info =
3225 ELF32_R_INFO (ELF32_R_SYM (lo_irelfn->r_info), R_V850_NONE);
3226 irelcall->r_info =
3227 ELF32_R_INFO (ELF32_R_SYM (irelcall->r_info), R_V850_NONE);
3228
3229 if (! v850_elf_relax_delete_bytes (abfd, sec,
3230 irel->r_offset + 4, toaddr, 12))
3231 goto error_return;
3232
3233 align_pad_size += 12;
3234 }
3235 else if (ELF32_R_TYPE (irel->r_info) == (int) R_V850_LONGJUMP)
3236 {
3237 /* Check code for -mlong-jumps output. */
3238 if (laddr + 10 <= (bfd_vma) sec->size)
3239 {
3240 insn[0] = bfd_get_16 (abfd, contents + laddr);
3241 insn[1] = bfd_get_16 (abfd, contents + laddr + 4);
3242 insn[2] = bfd_get_16 (abfd, contents + laddr + 8);
3243
3244 if ((insn[0] & MOVHI_MASK) != MOVHI
3245 || MOVHI_R1 (insn[0]) != 0)
3246 no_match = 0;
3247
3248 if (no_match < 0
3249 && ((insn[1] & MOVEA_MASK) != MOVEA
3250 || MOVHI_R2 (insn[0]) != MOVEA_R1 (insn[1])))
3251 no_match = 1;
3252
3253 if (no_match < 0
3254 && ((insn[2] & JMP_R_MASK) != JMP_R
3255 || MOVEA_R2 (insn[1]) != JMP_R1 (insn[2])))
3256 no_match = 4;
3257 }
3258 else
3259 {
3260 ((*_bfd_error_handler)
3261 ("%s: 0x%lx: warning: R_V850_LONGJUMP points to unrecognized insns",
3262 bfd_get_filename (abfd), (unsigned long) irel->r_offset));
3263
3264 continue;
3265 }
3266
3267 if (no_match >= 0)
3268 {
3269 ((*_bfd_error_handler)
3270 ("%s: 0x%lx: warning: R_V850_LONGJUMP points to unrecognized insn 0x%x",
3271 bfd_get_filename (abfd), (unsigned long) irel->r_offset+no_match, insn[no_match]));
3272
3273 continue;
3274 }
3275
3276 /* Get the reloc for the address from which the register is
3277 being loaded. This reloc will tell us which function is
3278 actually being called. */
3279 for (hi_irelfn = internal_relocs; hi_irelfn < irelend; hi_irelfn ++)
3280 if (hi_irelfn->r_offset == laddr + 2
3281 && ELF32_R_TYPE (hi_irelfn->r_info) == (int) R_V850_HI16_S)
3282 break;
3283
3284 for (lo_irelfn = internal_relocs; lo_irelfn < irelend; lo_irelfn ++)
3285 if (lo_irelfn->r_offset == laddr + 6
3286 && ELF32_R_TYPE (lo_irelfn->r_info) == (int) R_V850_LO16)
3287 break;
3288
3289 if ( hi_irelfn == irelend
3290 || lo_irelfn == irelend)
3291 {
3292 ((*_bfd_error_handler)
3293 ("%s: 0x%lx: warning: R_V850_LONGJUMP points to unrecognized reloc",
3294 bfd_get_filename (abfd), (unsigned long) irel->r_offset ));
3295
3296 continue;
3297 }
3298
3299 /* Get the value of the symbol referred to by the reloc. */
3300 if (ELF32_R_SYM (hi_irelfn->r_info) < symtab_hdr->sh_info)
3301 {
3302 Elf_Internal_Sym * isym;
3303 asection * sym_sec;
3304
3305 /* A local symbol. */
3306 isym = isymbuf + ELF32_R_SYM (hi_irelfn->r_info);
3307
3308 if (isym->st_shndx == SHN_UNDEF)
3309 sym_sec = bfd_und_section_ptr;
3310 else if (isym->st_shndx == SHN_ABS)
3311 sym_sec = bfd_abs_section_ptr;
3312 else if (isym->st_shndx == SHN_COMMON)
3313 sym_sec = bfd_com_section_ptr;
3314 else
3315 sym_sec = bfd_section_from_elf_index (abfd, isym->st_shndx);
3316 symval = (isym->st_value
3317 + sym_sec->output_section->vma
3318 + sym_sec->output_offset);
3319 #ifdef DEBUG_RELAX
3320 {
3321 char * name = bfd_elf_string_from_elf_section
3322 (abfd, symtab_hdr->sh_link, isym->st_name);
3323
3324 fprintf (stderr, "relax long jump local: sec: %s, sym: %s (%d), value: %x + %x + %x addend %x\n",
3325 sym_sec->name, name, isym->st_name,
3326 sym_sec->output_section->vma,
3327 sym_sec->output_offset,
3328 isym->st_value, irel->r_addend);
3329 }
3330 #endif
3331 }
3332 else
3333 {
3334 unsigned long indx;
3335 struct elf_link_hash_entry * h;
3336
3337 /* An external symbol. */
3338 indx = ELF32_R_SYM (irel->r_info) - symtab_hdr->sh_info;
3339 h = elf_sym_hashes (abfd)[indx];
3340 BFD_ASSERT (h != NULL);
3341
3342 if ( h->root.type != bfd_link_hash_defined
3343 && h->root.type != bfd_link_hash_defweak)
3344 /* This appears to be a reference to an undefined
3345 symbol. Just ignore it--it will be caught by the
3346 regular reloc processing. */
3347 continue;
3348
3349 symval = (h->root.u.def.value
3350 + h->root.u.def.section->output_section->vma
3351 + h->root.u.def.section->output_offset);
3352 #ifdef DEBUG_RELAX
3353 fprintf (stderr,
3354 "relax longjump defined: sec: %s, name: %s, value: %x + %x + %x addend %x\n",
3355 sec->name, h->root.root.string, h->root.u.def.value,
3356 sec->output_section->vma, sec->output_offset, irel->r_addend);
3357 #endif
3358 }
3359
3360 addend = irel->r_addend;
3361
3362 foff = (symval + addend
3363 - (irel->r_offset
3364 + sec->output_section->vma
3365 + sec->output_offset
3366 + 4));
3367 #ifdef DEBUG_RELAX
3368 fprintf (stderr, "relax longjump r_offset 0x%x ptr 0x%x symbol 0x%x addend 0x%x distance 0x%x\n",
3369 irel->r_offset,
3370 (irel->r_offset
3371 + sec->output_section->vma
3372 + sec->output_offset),
3373 symval, addend, foff);
3374 #endif
3375 if (foff < -0x100000 || foff >= 0x100000)
3376 /* After all that work, we can't shorten this function call. */
3377 continue;
3378
3379 /* For simplicity of coding, we are going to modify the section
3380 contents, the section relocs, and the BFD symbol table. We
3381 must tell the rest of the code not to free up this
3382 information. It would be possible to instead create a table
3383 of changes which have to be made, as is done in coff-mips.c;
3384 that would be more work, but would require less memory when
3385 the linker is run. */
3386 elf_section_data (sec)->relocs = internal_relocs;
3387 elf_section_data (sec)->this_hdr.contents = contents;
3388 symtab_hdr->contents = (bfd_byte *) isymbuf;
3389
3390 if (foff < -0x100 || foff >= 0x100)
3391 {
3392 /* Replace the long jump with a jr. */
3393
3394 irel->r_info =
3395 ELF32_R_INFO (ELF32_R_SYM (irel->r_info), R_V850_22_PCREL);
3396
3397 irel->r_addend = addend;
3398 addend = 0;
3399
3400 if (ELF32_R_SYM (hi_irelfn->r_info) < symtab_hdr->sh_info)
3401 /* If this needs to be changed because of future relaxing,
3402 it will be handled here like other internal IND12W
3403 relocs. */
3404 bfd_put_32 (abfd,
3405 0x00000780 | ((addend << 15) & 0xffff0000) | ((addend >> 17) & 0xf),
3406 contents + irel->r_offset);
3407 else
3408 /* We can't fully resolve this yet, because the external
3409 symbol value may be changed by future relaxing.
3410 We let the final link phase handle it. */
3411 bfd_put_32 (abfd, 0x00000780, contents + irel->r_offset);
3412
3413 hi_irelfn->r_info =
3414 ELF32_R_INFO (ELF32_R_SYM (hi_irelfn->r_info), R_V850_NONE);
3415 lo_irelfn->r_info =
3416 ELF32_R_INFO (ELF32_R_SYM (lo_irelfn->r_info), R_V850_NONE);
3417 if (!v850_elf_relax_delete_bytes (abfd, sec,
3418 irel->r_offset + 4, toaddr, 6))
3419 goto error_return;
3420
3421 align_pad_size += 6;
3422 }
3423 else
3424 {
3425 /* Replace the long jump with a br. */
3426
3427 irel->r_info =
3428 ELF32_R_INFO (ELF32_R_SYM (irel->r_info), R_V850_9_PCREL);
3429
3430 irel->r_addend = addend;
3431 addend = 0;
3432
3433 if (ELF32_R_SYM (hi_irelfn->r_info) < symtab_hdr->sh_info)
3434 /* If this needs to be changed because of future relaxing,
3435 it will be handled here like other internal IND12W
3436 relocs. */
3437 bfd_put_16 (abfd,
3438 0x0585 | ((addend << 10) & 0xf800) | ((addend << 3) & 0x0070),
3439 contents + irel->r_offset);
3440 else
3441 /* We can't fully resolve this yet, because the external
3442 symbol value may be changed by future relaxing.
3443 We let the final link phase handle it. */
3444 bfd_put_16 (abfd, 0x0585, contents + irel->r_offset);
3445
3446 hi_irelfn->r_info =
3447 ELF32_R_INFO (ELF32_R_SYM (hi_irelfn->r_info), R_V850_NONE);
3448 lo_irelfn->r_info =
3449 ELF32_R_INFO (ELF32_R_SYM (lo_irelfn->r_info), R_V850_NONE);
3450 if (!v850_elf_relax_delete_bytes (abfd, sec,
3451 irel->r_offset + 2, toaddr, 8))
3452 goto error_return;
3453
3454 align_pad_size += 8;
3455 }
3456 }
3457 }
3458
3459 irelalign = NULL;
3460 for (irel = internal_relocs; irel < irelend; irel++)
3461 {
3462 if (ELF32_R_TYPE (irel->r_info) == (int) R_V850_ALIGN
3463 && irel->r_offset == toaddr)
3464 {
3465 irel->r_offset -= align_pad_size;
3466
3467 if (irelalign == NULL || irelalign->r_addend > irel->r_addend)
3468 irelalign = irel;
3469 }
3470 }
3471
3472 addr = toaddr;
3473 }
3474
3475 if (!irelalign)
3476 {
3477 #ifdef DEBUG_RELAX
3478 fprintf (stderr, "relax pad %d shorten %d -> %d\n",
3479 align_pad_size,
3480 sec->size,
3481 sec->size - align_pad_size);
3482 #endif
3483 sec->size -= align_pad_size;
3484 }
3485
3486 finish:
3487 if (internal_relocs != NULL
3488 && elf_section_data (sec)->relocs != internal_relocs)
3489 free (internal_relocs);
3490
3491 if (contents != NULL
3492 && elf_section_data (sec)->this_hdr.contents != (unsigned char *) contents)
3493 free (contents);
3494
3495 if (isymbuf != NULL
3496 && symtab_hdr->contents != (bfd_byte *) isymbuf)
3497 free (isymbuf);
3498
3499 return result;
3500
3501 error_return:
3502 result = FALSE;
3503 goto finish;
3504 }
3505
3506 static const struct bfd_elf_special_section v850_elf_special_sections[] =
3507 {
3508 { STRING_COMMA_LEN (".call_table_data"), 0, SHT_PROGBITS, (SHF_ALLOC + SHF_WRITE) },
3509 { STRING_COMMA_LEN (".call_table_text"), 0, SHT_PROGBITS, (SHF_ALLOC + SHF_WRITE
3510 + SHF_EXECINSTR) },
3511 { STRING_COMMA_LEN (".rosdata"), -2, SHT_PROGBITS, (SHF_ALLOC
3512 + SHF_V850_GPREL) },
3513 { STRING_COMMA_LEN (".rozdata"), -2, SHT_PROGBITS, (SHF_ALLOC
3514 + SHF_V850_R0REL) },
3515 { STRING_COMMA_LEN (".sbss"), -2, SHT_NOBITS, (SHF_ALLOC + SHF_WRITE
3516 + SHF_V850_GPREL) },
3517 { STRING_COMMA_LEN (".scommon"), -2, SHT_V850_SCOMMON, (SHF_ALLOC + SHF_WRITE
3518 + SHF_V850_GPREL) },
3519 { STRING_COMMA_LEN (".sdata"), -2, SHT_PROGBITS, (SHF_ALLOC + SHF_WRITE
3520 + SHF_V850_GPREL) },
3521 { STRING_COMMA_LEN (".tbss"), -2, SHT_NOBITS, (SHF_ALLOC + SHF_WRITE
3522 + SHF_V850_EPREL) },
3523 { STRING_COMMA_LEN (".tcommon"), -2, SHT_V850_TCOMMON, (SHF_ALLOC + SHF_WRITE
3524 + SHF_V850_R0REL) },
3525 { STRING_COMMA_LEN (".tdata"), -2, SHT_PROGBITS, (SHF_ALLOC + SHF_WRITE
3526 + SHF_V850_EPREL) },
3527 { STRING_COMMA_LEN (".zbss"), -2, SHT_NOBITS, (SHF_ALLOC + SHF_WRITE
3528 + SHF_V850_R0REL) },
3529 { STRING_COMMA_LEN (".zcommon"), -2, SHT_V850_ZCOMMON, (SHF_ALLOC + SHF_WRITE
3530 + SHF_V850_R0REL) },
3531 { STRING_COMMA_LEN (".zdata"), -2, SHT_PROGBITS, (SHF_ALLOC + SHF_WRITE
3532 + SHF_V850_R0REL) },
3533 { NULL, 0, 0, 0, 0 }
3534 };
3535 \f
3536 #define TARGET_LITTLE_SYM bfd_elf32_v850_vec
3537 #define TARGET_LITTLE_NAME "elf32-v850"
3538 #define ELF_ARCH bfd_arch_v850
3539 #define ELF_MACHINE_CODE EM_V850
3540 #define ELF_MACHINE_ALT1 EM_CYGNUS_V850
3541 #define ELF_MACHINE_ALT2 EM_V800 /* This is the value used by the GreenHills toolchain. */
3542 #define ELF_MAXPAGESIZE 0x1000
3543
3544 #define elf_info_to_howto v850_elf_info_to_howto_rela
3545 #define elf_info_to_howto_rel v850_elf_info_to_howto_rel
3546
3547 #define elf_backend_check_relocs v850_elf_check_relocs
3548 #define elf_backend_relocate_section v850_elf_relocate_section
3549 #define elf_backend_object_p v850_elf_object_p
3550 #define elf_backend_final_write_processing v850_elf_final_write_processing
3551 #define elf_backend_section_from_bfd_section v850_elf_section_from_bfd_section
3552 #define elf_backend_symbol_processing v850_elf_symbol_processing
3553 #define elf_backend_add_symbol_hook v850_elf_add_symbol_hook
3554 #define elf_backend_link_output_symbol_hook v850_elf_link_output_symbol_hook
3555 #define elf_backend_section_from_shdr v850_elf_section_from_shdr
3556 #define elf_backend_fake_sections v850_elf_fake_sections
3557 #define elf_backend_gc_mark_hook v850_elf_gc_mark_hook
3558 #define elf_backend_special_sections v850_elf_special_sections
3559
3560 #define elf_backend_can_gc_sections 1
3561 #define elf_backend_rela_normal 1
3562
3563 #define bfd_elf32_bfd_is_local_label_name v850_elf_is_local_label_name
3564 #define bfd_elf32_bfd_reloc_type_lookup v850_elf_reloc_type_lookup
3565 #define bfd_elf32_bfd_reloc_name_lookup v850_elf_reloc_name_lookup
3566 #define bfd_elf32_bfd_merge_private_bfd_data v850_elf_merge_private_bfd_data
3567 #define bfd_elf32_bfd_set_private_flags v850_elf_set_private_flags
3568 #define bfd_elf32_bfd_print_private_bfd_data v850_elf_print_private_bfd_data
3569 #define bfd_elf32_bfd_relax_section v850_elf_relax_section
3570
3571 #define elf_symbol_leading_char '_'
3572
3573 #include "elf32-target.h"
git-cvsimport of binutils cvsroot