1 /* V850-specific support for 32-bit ELF
2 Copyright 1996-2013 Free Software Foundation, Inc.
4 This file is part of BFD, the Binary File Descriptor library.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19 MA 02110-1301, USA. */
22 /* XXX FIXME: This code is littered with 32bit int, 16bit short, 8bit char
23 dependencies. As is the gas & simulator code for the v850. */
31 #include "libiberty.h"
33 /* Sign-extend a 17-bit number. */
34 #define SEXT17(x) ((((x) & 0x1ffff) ^ 0x10000) - 0x10000)
36 /* Sign-extend a 22-bit number. */
37 #define SEXT22(x) ((((x) & 0x3fffff) ^ 0x200000) - 0x200000)
39 static reloc_howto_type v850_elf_howto_table[];
41 /* Look through the relocs for a section during the first phase, and
42 allocate space in the global offset table or procedure linkage
46 v850_elf_check_relocs (bfd *abfd,
47 struct bfd_link_info *info,
49 const Elf_Internal_Rela *relocs)
51 bfd_boolean ret = TRUE;
52 Elf_Internal_Shdr *symtab_hdr;
53 struct elf_link_hash_entry **sym_hashes;
54 const Elf_Internal_Rela *rel;
55 const Elf_Internal_Rela *rel_end;
58 const char *common = NULL;
60 if (info->relocatable)
64 _bfd_error_handler ("v850_elf_check_relocs called for section %A in %B",
68 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
69 sym_hashes = elf_sym_hashes (abfd);
71 rel_end = relocs + sec->reloc_count;
72 for (rel = relocs; rel < rel_end; rel++)
74 unsigned long r_symndx;
75 struct elf_link_hash_entry *h;
77 r_symndx = ELF32_R_SYM (rel->r_info);
78 if (r_symndx < symtab_hdr->sh_info)
82 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
83 while (h->root.type == bfd_link_hash_indirect
84 || h->root.type == bfd_link_hash_warning)
85 h = (struct elf_link_hash_entry *) h->root.u.i.link;
88 r_type = ELF32_R_TYPE (rel->r_info);
94 /* This relocation describes the C++ object vtable hierarchy.
95 Reconstruct it for later use during GC. */
96 case R_V850_GNU_VTINHERIT:
97 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
101 /* This relocation describes which C++ vtable entries
102 are actually used. Record for later use during GC. */
103 case R_V850_GNU_VTENTRY:
104 BFD_ASSERT (h != NULL);
106 && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
110 case R_V850_SDA_16_16_SPLIT_OFFSET:
111 case R_V850_SDA_16_16_OFFSET:
112 case R_V850_SDA_15_16_OFFSET:
116 other = V850_OTHER_SDA;
118 goto small_data_common;
120 case R_V850_ZDA_16_16_SPLIT_OFFSET:
121 case R_V850_ZDA_16_16_OFFSET:
122 case R_V850_ZDA_15_16_OFFSET:
123 other = V850_OTHER_ZDA;
125 goto small_data_common;
127 case R_V850_TDA_4_4_OFFSET:
128 case R_V850_TDA_4_5_OFFSET:
129 case R_V850_TDA_7_7_OFFSET:
130 case R_V850_TDA_6_8_OFFSET:
131 case R_V850_TDA_7_8_OFFSET:
132 case R_V850_TDA_16_16_OFFSET:
133 other = V850_OTHER_TDA;
137 #define V850_OTHER_MASK (V850_OTHER_TDA | V850_OTHER_SDA | V850_OTHER_ZDA)
142 /* Flag which type of relocation was used. */
144 if ((h->other & V850_OTHER_MASK) != (other & V850_OTHER_MASK)
145 && (h->other & V850_OTHER_ERROR) == 0)
148 static char buff[200]; /* XXX */
150 switch (h->other & V850_OTHER_MASK)
153 msg = _("Variable `%s' cannot occupy in multiple small data regions");
155 case V850_OTHER_SDA | V850_OTHER_ZDA | V850_OTHER_TDA:
156 msg = _("Variable `%s' can only be in one of the small, zero, and tiny data regions");
158 case V850_OTHER_SDA | V850_OTHER_ZDA:
159 msg = _("Variable `%s' cannot be in both small and zero data regions simultaneously");
161 case V850_OTHER_SDA | V850_OTHER_TDA:
162 msg = _("Variable `%s' cannot be in both small and tiny data regions simultaneously");
164 case V850_OTHER_ZDA | V850_OTHER_TDA:
165 msg = _("Variable `%s' cannot be in both zero and tiny data regions simultaneously");
169 sprintf (buff, msg, h->root.root.string);
170 info->callbacks->warning (info, buff, h->root.root.string,
171 abfd, h->root.u.def.section,
174 bfd_set_error (bfd_error_bad_value);
175 h->other |= V850_OTHER_ERROR;
180 if (h && h->root.type == bfd_link_hash_common
182 && !strcmp (bfd_get_section_name (abfd, h->root.u.c.p->section), "COMMON"))
186 section = h->root.u.c.p->section = bfd_make_section_old_way (abfd, common);
187 section->flags |= SEC_IS_COMMON;
191 fprintf (stderr, "v850_elf_check_relocs, found %s relocation for %s%s\n",
192 v850_elf_howto_table[ (int)r_type ].name,
193 (h && h->root.root.string) ? h->root.root.string : "<unknown>",
194 (h->root.type == bfd_link_hash_common) ? ", symbol is common" : "");
203 /* In the old version, when an entry was checked out from the table,
204 it was deleted. This produced an error if the entry was needed
205 more than once, as the second attempted retry failed.
207 In the current version, the entry is not deleted, instead we set
208 the field 'found' to TRUE. If a second lookup matches the same
209 entry, then we know that the hi16s reloc has already been updated
210 and does not need to be updated a second time.
212 TODO - TOFIX: If it is possible that we need to restore 2 different
213 addresses from the same table entry, where the first generates an
214 overflow, whilst the second do not, then this code will fail. */
216 typedef struct hi16s_location
220 unsigned long counter;
222 struct hi16s_location * next;
226 static hi16s_location * previous_hi16s;
227 static hi16s_location * free_hi16s;
228 static unsigned long hi16s_counter;
231 remember_hi16s_reloc (bfd *abfd, bfd_vma addend, bfd_byte *address)
233 hi16s_location * entry = NULL;
234 bfd_size_type amt = sizeof (* free_hi16s);
236 /* Find a free structure. */
237 if (free_hi16s == NULL)
238 free_hi16s = bfd_zalloc (abfd, amt);
241 free_hi16s = free_hi16s->next;
243 entry->addend = addend;
244 entry->address = address;
245 entry->counter = hi16s_counter ++;
246 entry->found = FALSE;
247 entry->next = previous_hi16s;
248 previous_hi16s = entry;
250 /* Cope with wrap around of our counter. */
251 if (hi16s_counter == 0)
253 /* XXX: Assume that all counter entries differ only in their low 16 bits. */
254 for (entry = previous_hi16s; entry != NULL; entry = entry->next)
255 entry->counter &= 0xffff;
257 hi16s_counter = 0x10000;
262 find_remembered_hi16s_reloc (bfd_vma addend, bfd_boolean *already_found)
264 hi16s_location *match = NULL;
265 hi16s_location *entry;
268 /* Search the table. Record the most recent entry that matches. */
269 for (entry = previous_hi16s; entry; entry = entry->next)
271 if (entry->addend == addend
272 && (match == NULL || match->counter < entry->counter))
281 /* Extract the address. */
282 addr = match->address;
284 /* Remember if this entry has already been used before. */
286 * already_found = match->found;
288 /* Note that this entry has now been used. */
294 /* Calculate the final operand value for a R_V850_LO16 or
295 R_V850_LO16_SPLIT_OFFSET. *INSN is the current operand value and
296 ADDEND is the sum of the relocation symbol and offset. Store the
297 operand value in *INSN and return true on success.
299 The assembler has already done some of this: If the value stored in
300 the instruction has its 15th bit set, (counting from zero) then the
301 assembler will have added 1 to the value stored in the associated
302 HI16S reloc. So for example, these relocations:
304 movhi hi( fred ), r0, r1
305 movea lo( fred ), r1, r1
307 will store 0 in the value fields for the MOVHI and MOVEA instructions
308 and addend will be the address of fred, but for these instructions:
310 movhi hi( fred + 0x123456 ), r0, r1
311 movea lo( fred + 0x123456 ), r1, r1
313 the value stored in the MOVHI instruction will be 0x12 and the value
314 stored in the MOVEA instruction will be 0x3456. If however the
317 movhi hi( fred + 0x10ffff ), r0, r1
318 movea lo( fred + 0x10ffff ), r1, r1
320 then the value stored in the MOVHI instruction would be 0x11 (not
321 0x10) and the value stored in the MOVEA instruction would be 0xffff.
322 Thus (assuming for the moment that the addend is 0), at run time the
323 MOVHI instruction loads 0x110000 into r1, then the MOVEA instruction
324 adds 0xffffffff (sign extension!) producing 0x10ffff. Similarly if
325 the instructions were:
327 movhi hi( fred - 1 ), r0, r1
328 movea lo( fred - 1 ), r1, r1
330 then 0 is stored in the MOVHI instruction and -1 is stored in the
333 Overflow can occur if the addition of the value stored in the
334 instruction plus the addend sets the 15th bit when before it was clear.
335 This is because the 15th bit will be sign extended into the high part,
336 thus reducing its value by one, but since the 15th bit was originally
337 clear, the assembler will not have added 1 to the previous HI16S reloc
338 to compensate for this effect. For example:
340 movhi hi( fred + 0x123456 ), r0, r1
341 movea lo( fred + 0x123456 ), r1, r1
343 The value stored in HI16S reloc is 0x12, the value stored in the LO16
344 reloc is 0x3456. If we assume that the address of fred is 0x00007000
345 then the relocations become:
347 HI16S: 0x0012 + (0x00007000 >> 16) = 0x12
348 LO16: 0x3456 + (0x00007000 & 0xffff) = 0xa456
350 but when the instructions are executed, the MOVEA instruction's value
351 is signed extended, so the sum becomes:
356 0x0011a456 but 'fred + 0x123456' = 0x0012a456
358 Note that if the 15th bit was set in the value stored in the LO16
359 reloc, then we do not have to do anything:
361 movhi hi( fred + 0x10ffff ), r0, r1
362 movea lo( fred + 0x10ffff ), r1, r1
364 HI16S: 0x0011 + (0x00007000 >> 16) = 0x11
365 LO16: 0xffff + (0x00007000 & 0xffff) = 0x6fff
370 0x00116fff = fred + 0x10ffff = 0x7000 + 0x10ffff
372 Overflow can also occur if the computation carries into the 16th bit
373 and it also results in the 15th bit having the same value as the 15th
374 bit of the original value. What happens is that the HI16S reloc
375 will have already examined the 15th bit of the original value and
376 added 1 to the high part if the bit is set. This compensates for the
377 sign extension of 15th bit of the result of the computation. But now
378 there is a carry into the 16th bit, and this has not been allowed for.
380 So, for example if fred is at address 0xf000:
382 movhi hi( fred + 0xffff ), r0, r1 [bit 15 of the offset is set]
383 movea lo( fred + 0xffff ), r1, r1
385 HI16S: 0x0001 + (0x0000f000 >> 16) = 0x0001
386 LO16: 0xffff + (0x0000f000 & 0xffff) = 0xefff (carry into bit 16 is lost)
391 0x0000efff but 'fred + 0xffff' = 0x0001efff
393 Similarly, if the 15th bit remains clear, but overflow occurs into
394 the 16th bit then (assuming the address of fred is 0xf000):
396 movhi hi( fred + 0x7000 ), r0, r1 [bit 15 of the offset is clear]
397 movea lo( fred + 0x7000 ), r1, r1
399 HI16S: 0x0000 + (0x0000f000 >> 16) = 0x0000
400 LO16: 0x7000 + (0x0000f000 & 0xffff) = 0x6fff (carry into bit 16 is lost)
405 0x00006fff but 'fred + 0x7000' = 0x00016fff
407 Note - there is no need to change anything if a carry occurs, and the
408 15th bit changes its value from being set to being clear, as the HI16S
409 reloc will have already added in 1 to the high part for us:
411 movhi hi( fred + 0xffff ), r0, r1 [bit 15 of the offset is set]
412 movea lo( fred + 0xffff ), r1, r1
414 HI16S: 0x0001 + (0x00007000 >> 16)
415 LO16: 0xffff + (0x00007000 & 0xffff) = 0x6fff (carry into bit 16 is lost)
418 + 0x00006fff (bit 15 not set, so the top half is zero)
420 0x00016fff which is right (assuming that fred is at 0x7000)
422 but if the 15th bit goes from being clear to being set, then we must
423 once again handle overflow:
425 movhi hi( fred + 0x7000 ), r0, r1 [bit 15 of the offset is clear]
426 movea lo( fred + 0x7000 ), r1, r1
428 HI16S: 0x0000 + (0x0000ffff >> 16)
429 LO16: 0x7000 + (0x0000ffff & 0xffff) = 0x6fff (carry into bit 16)
432 + 0x00006fff (bit 15 not set, so the top half is zero)
434 0x00006fff which is wrong (assuming that fred is at 0xffff). */
437 v850_elf_perform_lo16_relocation (bfd *abfd, unsigned long *insn,
438 unsigned long addend)
440 #define BIT15_SET(x) ((x) & 0x8000)
441 #define OVERFLOWS(a,i) ((((a) & 0xffff) + (i)) > 0xffff)
443 if ((BIT15_SET (*insn + addend) && ! BIT15_SET (addend))
444 || (OVERFLOWS (addend, *insn)
445 && ((! BIT15_SET (*insn)) || (BIT15_SET (addend)))))
447 bfd_boolean already_updated;
448 bfd_byte *hi16s_address = find_remembered_hi16s_reloc
449 (addend, & already_updated);
451 /* Amend the matching HI16_S relocation. */
452 if (hi16s_address != NULL)
454 if (! already_updated)
456 unsigned long hi_insn = bfd_get_16 (abfd, hi16s_address);
458 bfd_put_16 (abfd, hi_insn, hi16s_address);
463 (*_bfd_error_handler) (_("FAILED to find previous HI16 reloc"));
470 /* Do not complain if value has top bit set, as this has been
472 *insn = (*insn + addend) & 0xffff;
476 /* FIXME: The code here probably ought to be removed and the code in reloc.c
477 allowed to do its stuff instead. At least for most of the relocs, anyway. */
479 static bfd_reloc_status_type
480 v850_elf_perform_relocation (bfd *abfd,
486 unsigned long result;
487 bfd_signed_vma saddend = (bfd_signed_vma) addend;
493 fprintf (stderr, "reloc number %d not recognised\n", r_type);
495 return bfd_reloc_notsupported;
501 bfd_put_32 (abfd, addend, address);
506 insn = bfd_get_32 (abfd, address);
507 insn &= ~((0x7f << 4) | (0x7fff80 << (16-7)));
508 insn |= ((addend & 0x7f) << 4) | ((addend & 0x7fff80) << (16-7));
509 bfd_put_32 (abfd, (bfd_vma) insn, address);
513 case R_V850_22_PCREL:
514 if (saddend > 0x1fffff || saddend < -0x200000)
515 return bfd_reloc_overflow;
517 if ((addend % 2) != 0)
518 return bfd_reloc_dangerous;
520 insn = bfd_get_32 (abfd, address);
522 insn |= (((addend & 0xfffe) << 16) | ((addend & 0x3f0000) >> 16));
523 bfd_put_32 (abfd, (bfd_vma) insn, address);
527 case R_V850_17_PCREL:
528 if (saddend > 0xffff || saddend < -0x10000)
529 return bfd_reloc_overflow;
531 if ((addend % 2) != 0)
532 return bfd_reloc_dangerous;
534 insn = bfd_get_32 (abfd, address);
535 insn &= ~ 0xfffe0010;
536 insn |= ((addend & 0xfffe) << 16) | ((addend & 0x10000) >> (16-4));
540 case R_V850_16_PCREL:
541 if ((saddend < -0xffff) || (saddend > 0))
542 return bfd_reloc_overflow;
544 if ((addend % 2) != 0)
545 return bfd_reloc_dangerous;
547 insn = bfd_get_16 (abfd, address);
549 insn |= (-addend & 0xfffe);
554 if (saddend > 0xff || saddend < -0x100)
555 return bfd_reloc_overflow;
557 if ((addend % 2) != 0)
558 return bfd_reloc_dangerous;
560 insn = bfd_get_16 (abfd, address);
562 insn |= ((addend & 0x1f0) << 7) | ((addend & 0x0e) << 3);
567 addend += (bfd_get_16 (abfd, address) << 16);
568 addend = (addend >> 16);
574 /* Remember where this relocation took place. */
575 remember_hi16s_reloc (abfd, addend, address);
577 addend += (bfd_get_16 (abfd, address) << 16);
578 addend = (addend >> 16) + ((addend & 0x8000) != 0);
580 /* This relocation cannot overflow. */
589 insn = bfd_get_16 (abfd, address);
590 if (! v850_elf_perform_lo16_relocation (abfd, &insn, addend))
591 return bfd_reloc_overflow;
596 addend += (char) bfd_get_8 (abfd, address);
598 saddend = (bfd_signed_vma) addend;
600 if (saddend > 0x7f || saddend < -0x80)
601 return bfd_reloc_overflow;
603 bfd_put_8 (abfd, addend, address);
606 case R_V850_CALLT_16_16_OFFSET:
607 addend += bfd_get_16 (abfd, address);
609 saddend = (bfd_signed_vma) addend;
611 if (saddend > 0xffff || saddend < 0)
612 return bfd_reloc_overflow;
617 case R_V850_CALLT_15_16_OFFSET:
618 insn = bfd_get_16 (abfd, address);
620 addend += insn & 0xfffe;
622 saddend = (bfd_signed_vma) addend;
624 if (saddend > 0xffff || saddend < 0)
625 return bfd_reloc_overflow;
627 insn = (0xfffe & addend)
631 case R_V850_CALLT_6_7_OFFSET:
632 insn = bfd_get_16 (abfd, address);
633 addend += ((insn & 0x3f) << 1);
635 saddend = (bfd_signed_vma) addend;
637 if (saddend > 0x7e || saddend < 0)
638 return bfd_reloc_overflow;
641 return bfd_reloc_dangerous;
644 insn |= (addend >> 1);
649 case R_V850_SDA_16_16_OFFSET:
650 case R_V850_ZDA_16_16_OFFSET:
651 case R_V850_TDA_16_16_OFFSET:
652 addend += bfd_get_16 (abfd, address);
654 saddend = (bfd_signed_vma) addend;
656 if (saddend > 0x7fff || saddend < -0x8000)
657 return bfd_reloc_overflow;
663 case R_V850_SDA_15_16_OFFSET:
664 case R_V850_ZDA_15_16_OFFSET:
666 insn = bfd_get_16 (abfd, address);
667 addend += (insn & 0xfffe);
669 saddend = (bfd_signed_vma) addend;
671 if (saddend > 0x7ffe || saddend < -0x8000)
672 return bfd_reloc_overflow;
675 return bfd_reloc_dangerous;
677 insn = (addend &~ (bfd_vma) 1) | (insn & 1);
680 case R_V850_TDA_6_8_OFFSET:
681 insn = bfd_get_16 (abfd, address);
682 addend += ((insn & 0x7e) << 1);
684 saddend = (bfd_signed_vma) addend;
686 if (saddend > 0xfc || saddend < 0)
687 return bfd_reloc_overflow;
690 return bfd_reloc_dangerous;
693 insn |= (addend >> 1);
696 case R_V850_TDA_7_8_OFFSET:
697 insn = bfd_get_16 (abfd, address);
698 addend += ((insn & 0x7f) << 1);
700 saddend = (bfd_signed_vma) addend;
702 if (saddend > 0xfe || saddend < 0)
703 return bfd_reloc_overflow;
706 return bfd_reloc_dangerous;
709 insn |= (addend >> 1);
712 case R_V850_TDA_7_7_OFFSET:
713 insn = bfd_get_16 (abfd, address);
714 addend += insn & 0x7f;
716 saddend = (bfd_signed_vma) addend;
718 if (saddend > 0x7f || saddend < 0)
719 return bfd_reloc_overflow;
725 case R_V850_TDA_4_5_OFFSET:
726 insn = bfd_get_16 (abfd, address);
727 addend += ((insn & 0xf) << 1);
729 saddend = (bfd_signed_vma) addend;
731 if (saddend > 0x1e || saddend < 0)
732 return bfd_reloc_overflow;
735 return bfd_reloc_dangerous;
738 insn |= (addend >> 1);
741 case R_V850_TDA_4_4_OFFSET:
742 insn = bfd_get_16 (abfd, address);
743 addend += insn & 0xf;
745 saddend = (bfd_signed_vma) addend;
747 if (saddend > 0xf || saddend < 0)
748 return bfd_reloc_overflow;
758 insn = bfd_get_16 (abfd, address);
759 result = insn & 0xfffe;
760 if (! v850_elf_perform_lo16_relocation (abfd, &result, addend))
761 return bfd_reloc_overflow;
763 return bfd_reloc_overflow;
764 insn = (result & 0xfffe)
766 bfd_put_16 (abfd, insn, address);
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);
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);
787 saddend = (bfd_signed_vma) addend;
789 if (saddend > 0x7fff || saddend < -0x8000)
790 return bfd_reloc_overflow;
793 insn |= (addend & 1) << 5;
794 insn |= (addend &~ (bfd_vma) 1) << 16;
796 bfd_put_32 (abfd, (bfd_vma) insn, address);
799 case R_V850_GNU_VTINHERIT:
800 case R_V850_GNU_VTENTRY:
805 bfd_put_16 (abfd, (bfd_vma) insn, address);
809 /* Insert the addend into the instruction. */
811 static bfd_reloc_status_type
812 v850_elf_reloc (bfd *abfd ATTRIBUTE_UNUSED,
815 void * data ATTRIBUTE_UNUSED,
818 char **err ATTRIBUTE_UNUSED)
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. */
828 && (symbol->flags & BSF_SECTION_SYM) == 0
829 && (! reloc->howto->partial_inplace
830 || reloc->addend == 0))
832 reloc->address += isection->output_offset;
836 /* Catch relocs involving undefined symbols. */
837 if (bfd_is_und_section (symbol->section)
838 && (symbol->flags & BSF_WEAK) == 0
840 return bfd_reloc_undefined;
842 /* We handle final linking of some relocs ourselves. */
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;
848 /* Work out which section the relocation is targeted at and the
849 initial relocation command value. */
851 if (reloc->howto->pc_relative)
854 /* Get symbol value. (Common symbols are special.) */
855 if (bfd_is_com_section (symbol->section))
858 relocation = symbol->value;
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;
865 reloc->addend = relocation;
869 /* This function is used for relocs which are only used
870 for relaxing, which the linker should otherwise ignore. */
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,
879 char **error_message ATTRIBUTE_UNUSED)
881 if (output_bfd != NULL)
882 reloc_entry->address += input_section->output_offset;
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[] =
891 /* This reloc does nothing. */
892 HOWTO (R_V850_NONE, /* Type. */
894 2, /* Size (0 = byte, 1 = short, 2 = long). */
896 FALSE, /* PC_relative. */
898 complain_overflow_bitfield, /* Complain_on_overflow. */
899 bfd_elf_generic_reloc, /* Special_function. */
900 "R_V850_NONE", /* Name. */
901 FALSE, /* Partial_inplace. */
904 FALSE), /* PCrel_offset. */
906 /* A PC relative 9 bit branch. */
907 HOWTO (R_V850_9_PCREL, /* Type. */
909 1, /* Size (0 = byte, 1 = short, 2 = long). */
911 TRUE, /* PC_relative. */
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. */
921 /* A PC relative 22 bit branch. */
922 HOWTO (R_V850_22_PCREL, /* Type. */
924 2, /* Size (0 = byte, 1 = short, 2 = long). */
926 TRUE, /* PC_relative. */
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. */
936 /* High 16 bits of symbol value. */
937 HOWTO (R_V850_HI16_S, /* Type. */
939 1, /* Size (0 = byte, 1 = short, 2 = long). */
941 FALSE, /* PC_relative. */
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. */
951 /* High 16 bits of symbol value. */
952 HOWTO (R_V850_HI16, /* Type. */
954 1, /* Size (0 = byte, 1 = short, 2 = long). */
956 FALSE, /* PC_relative. */
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. */
966 /* Low 16 bits of symbol value. */
967 HOWTO (R_V850_LO16, /* Type. */
969 1, /* Size (0 = byte, 1 = short, 2 = long). */
971 FALSE, /* PC_relative. */
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. */
981 /* Simple 32bit reloc. */
982 HOWTO (R_V850_ABS32, /* Type. */
984 2, /* Size (0 = byte, 1 = short, 2 = long). */
986 FALSE, /* PC_relative. */
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. */
996 /* Simple 16bit reloc. */
997 HOWTO (R_V850_16, /* Type. */
999 1, /* Size (0 = byte, 1 = short, 2 = long). */
1001 FALSE, /* PC_relative. */
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. */
1011 /* Simple 8bit reloc. */
1012 HOWTO (R_V850_8, /* Type. */
1013 0, /* Rightshift. */
1014 0, /* Size (0 = byte, 1 = short, 2 = long). */
1016 FALSE, /* PC_relative. */
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. */
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). */
1031 FALSE, /* PC_relative. */
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. */
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). */
1046 FALSE, /* PC_relative. */
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. */
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). */
1061 FALSE, /* PC_relative. */
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. */
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). */
1076 FALSE, /* PC_relative. */
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. */
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). */
1091 FALSE, /* PC_relative. */
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. */
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). */
1106 FALSE, /* PC_relative. */
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. */
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). */
1121 FALSE, /* PC_relative. */
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. */
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). */
1136 FALSE, /* PC_relative. */
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. */
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). */
1151 FALSE, /* PC_relative. */
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. */
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). */
1166 FALSE, /* PC_relative. */
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. */
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). */
1181 FALSE, /* PC_relative. */
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. */
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). */
1196 FALSE, /* PC_relative. */
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. */
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). */
1211 FALSE, /* PC_relative. */
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. */
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). */
1226 FALSE, /* PC_relative. */
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. */
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). */
1242 FALSE, /* PC_relative. */
1244 complain_overflow_dont, /* Complain_on_overflow. */
1245 NULL, /* Special_function. */
1246 "R_V850_GNU_VTINHERIT", /* Name. */
1247 FALSE, /* Partial_inplace. */
1250 FALSE), /* PCrel_offset. */
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). */
1257 FALSE, /* PC_relative. */
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. */
1265 FALSE), /* PCrel_offset. */
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). */
1273 TRUE, /* PC_relative. */
1275 complain_overflow_signed, /* Complain_on_overflow. */
1276 v850_elf_ignore_reloc, /* Special_function. */
1277 "R_V850_LONGCALL", /* Name. */
1278 FALSE, /* Partial_inplace. */
1281 TRUE), /* PCrel_offset. */
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). */
1289 TRUE, /* PC_relative. */
1291 complain_overflow_signed, /* Complain_on_overflow. */
1292 v850_elf_ignore_reloc, /* Special_function. */
1293 "R_V850_LONGJUMP", /* Name. */
1294 FALSE, /* Partial_inplace. */
1297 TRUE), /* PCrel_offset. */
1299 HOWTO (R_V850_ALIGN, /* Type. */
1300 0, /* Rightshift. */
1301 1, /* Size (0 = byte, 1 = short, 2 = long). */
1303 FALSE, /* PC_relative. */
1305 complain_overflow_unsigned, /* Complain_on_overflow. */
1306 v850_elf_ignore_reloc, /* Special_function. */
1307 "R_V850_ALIGN", /* Name. */
1308 FALSE, /* Partial_inplace. */
1311 TRUE), /* PCrel_offset. */
1313 /* Simple pc-relative 32bit reloc. */
1314 HOWTO (R_V850_REL32, /* Type. */
1315 0, /* Rightshift. */
1316 2, /* Size (0 = byte, 1 = short, 2 = long). */
1318 TRUE, /* PC_relative. */
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. */
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). */
1333 FALSE, /* PC_relative. */
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. */
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). */
1348 TRUE, /* PC_relative. */
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. */
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). */
1363 TRUE, /* PC_relative. */
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. */
1373 /* A 23bit offset ld/st. */
1374 HOWTO (R_V850_23, /* type. */
1375 0, /* rightshift. */
1376 2, /* size (0 = byte, 1 = short, 2 = long). */
1378 FALSE, /* pc_relative. */
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. */
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). */
1393 TRUE, /* pc_relative. */
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. */
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). */
1408 TRUE, /* pc_relative. */
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. */
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). */
1423 FALSE, /* PC_relative. */
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. */
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). */
1438 FALSE, /* pc_relative. */
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. */
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). */
1453 FALSE, /* pc_relative. */
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. */
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). */
1468 FALSE, /* pc_relative. */
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. */
1478 /* Like R_V850_32 PCREL, but referring to the GOT table entry for
1480 HOWTO (R_V850_32_GOTPCREL, /* type. */
1481 0, /* rightshift. */
1482 2, /* size (0 = byte, 1 = short, 2 = long). */
1484 TRUE, /* pc_relative. */
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. */
1494 /* Like R_V850_SDA_, but referring to the GOT table entry for
1496 HOWTO (R_V850_16_GOT, /* type. */
1497 0, /* rightshift. */
1498 2, /* size (0 = byte, 1 = short, 2 = long). */
1500 FALSE, /* pc_relative. */
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. */
1510 HOWTO (R_V850_32_GOT, /* type. */
1511 0, /* rightshift. */
1512 2, /* size (0 = byte, 1 = short, 2 = long). */
1514 FALSE, /* pc_relative. */
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. */
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). */
1530 TRUE, /* pc_relative. */
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. */
1540 HOWTO (R_V850_32_PLT, /* type. */
1541 1, /* rightshift. */
1542 2, /* size (0 = byte, 1 = short, 2 = long). */
1544 TRUE, /* pc_relative. */
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. */
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). */
1563 FALSE, /* pc_relative. */
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. */
1573 /* Like R_M32R_24, but used when setting global offset table
1575 HOWTO (R_V850_GLOB_DAT, /* type. */
1576 0, /* rightshift. */
1577 2, /* size (0 = byte, 1 = short, 2 = long) */
1579 FALSE, /* pc_relative. */
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. */
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) */
1594 FALSE, /* pc_relative. */
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. */
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
1607 HOWTO (R_V850_RELATIVE, /* type. */
1608 0, /* rightshift. */
1609 2, /* size (0 = byte, 1 = short, 2 = long) */
1611 FALSE, /* pc_relative. */
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. */
1621 HOWTO (R_V850_16_GOTOFF, /* type. */
1622 0, /* rightshift. */
1623 2, /* size (0 = byte, 1 = short, 2 = long) */
1625 FALSE, /* pc_relative. */
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. */
1635 HOWTO (R_V850_32_GOTOFF, /* type. */
1636 0, /* rightshift. */
1637 2, /* size (0 = byte, 1 = short, 2 = long) */
1639 FALSE, /* pc_relative. */
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. */
1649 HOWTO (R_V850_CODE, /* type. */
1650 0, /* rightshift. */
1651 1, /* size (0 = byte, 1 = short, 2 = long) */
1653 FALSE, /* pc_relative. */
1655 complain_overflow_unsigned, /* complain_on_overflow. */
1656 v850_elf_ignore_reloc, /* special_function. */
1657 "R_V850_CODE", /* name. */
1658 FALSE, /* partial_inplace. */
1661 TRUE), /* pcrel_offset. */
1663 HOWTO (R_V850_DATA, /* type. */
1664 0, /* rightshift. */
1665 1, /* size (0 = byte, 1 = short, 2 = long) */
1667 FALSE, /* pc_relative. */
1669 complain_overflow_unsigned, /* complain_on_overflow. */
1670 v850_elf_ignore_reloc, /* special_function. */
1671 "R_V850_DATA", /* name. */
1672 FALSE, /* partial_inplace. */
1675 TRUE), /* pcrel_offset. */
1679 /* Map BFD reloc types to V850 ELF reloc types. */
1681 struct v850_elf_reloc_map
1683 /* BFD_RELOC_V850_CALLT_16_16_OFFSET is 258, which will not fix in an
1685 bfd_reloc_code_real_type bfd_reloc_val;
1686 unsigned int elf_reloc_val;
1689 static const struct v850_elf_reloc_map v850_elf_reloc_map[] =
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 },
1745 #define V800_RELOC(name,sz,bit,shift,complain,pcrel,resolver) \
1746 HOWTO (name, shift, sz, bit, pcrel, 0, complain_overflow_ ## complain, \
1747 bfd_elf_ ## resolver ## _reloc, #name, FALSE, 0, ~0, FALSE)
1749 #define V800_EMPTY(name) EMPTY_HOWTO (name - R_V810_NONE)
1751 #define bfd_elf_v850_reloc v850_elf_reloc
1753 /* Note: It is REQUIRED that the 'type' value (R_V810_...) of each entry
1754 in this array match the index of the entry in the array minus 0x30.
1755 See: bfd_elf_v850_relocate_section(), v800_elf_reloc_type_lookup()
1756 and v800_elf_info_to_howto(). */
1758 static reloc_howto_type v800_elf_howto_table[] =
1760 V800_RELOC (R_V810_NONE, 0, 0, 0, dont, FALSE, generic), /* Type = 0x30 */
1761 V800_RELOC (R_V810_BYTE, 0, 8, 0, dont, FALSE, generic),
1762 V800_RELOC (R_V810_HWORD, 1, 16, 0, dont, FALSE, generic),
1763 V800_RELOC (R_V810_WORD, 2, 32, 0, dont, FALSE, generic),
1764 V800_RELOC (R_V810_WLO, 1, 16, 0, dont, FALSE, generic),
1765 V800_RELOC (R_V810_WHI, 1, 16, 0, dont, FALSE, generic),
1766 V800_RELOC (R_V810_WHI1, 1, 16, 0, dont, FALSE, generic),
1767 V800_RELOC (R_V810_GPBYTE, 0, 8, 0, dont, FALSE, v850),
1768 V800_RELOC (R_V810_GPHWORD, 1, 16, 0, dont, FALSE, v850),
1769 V800_RELOC (R_V810_GPWORD, 2, 32, 0, dont, FALSE, v850),
1770 V800_RELOC (R_V810_GPWLO, 1, 16, 0, dont, FALSE, v850),
1771 V800_RELOC (R_V810_GPWHI, 1, 16, 0, dont, FALSE, v850),
1772 V800_RELOC (R_V810_GPWHI1, 1, 16, 0, dont, FALSE, v850),
1773 V800_RELOC (R_V850_HWLO, 1, 16, 0, dont, FALSE, generic),
1774 V800_EMPTY (R_V810_reserved1),
1775 V800_RELOC (R_V850_EP7BIT, 0, 7, 0, unsigned, FALSE, v850),
1776 V800_RELOC (R_V850_EPHBYTE, 0, 8, 1, unsigned, FALSE, v850),
1777 V800_RELOC (R_V850_EPWBYTE, 0, 8, 2, unsigned, FALSE, v850),
1778 V800_RELOC (R_V850_REGHWLO, 1, 16, 0, dont, FALSE, v850),
1779 V800_EMPTY (R_V810_reserved2),
1780 V800_RELOC (R_V850_GPHWLO, 1, 16, 0, dont, FALSE, v850),
1781 V800_EMPTY (R_V810_reserved3),
1782 V800_RELOC (R_V850_PCR22, 2, 22, 0, signed, TRUE, generic),
1783 V800_RELOC (R_V850_BLO, 2, 24, 0, dont, FALSE, v850),
1784 V800_RELOC (R_V850_EP4BIT, 0, 4, 0, unsigned, FALSE, v850),
1785 V800_RELOC (R_V850_EP5BIT, 0, 5, 0, unsigned, FALSE, v850),
1786 V800_RELOC (R_V850_REGBLO, 2, 24, 0, dont, FALSE, v850),
1787 V800_RELOC (R_V850_GPBLO, 2, 24, 0, dont, FALSE, v850),
1788 V800_RELOC (R_V810_WLO_1, 1, 16, 0, dont, FALSE, v850),
1789 V800_RELOC (R_V810_GPWLO_1, 1, 16, 0, signed, FALSE, v850),
1790 V800_RELOC (R_V850_BLO_1, 2, 16, 0, signed, FALSE, v850),
1791 V800_RELOC (R_V850_HWLO_1, 1, 16, 0, signed, FALSE, v850),
1792 V800_EMPTY (R_V810_reserved4),
1793 V800_RELOC (R_V850_GPBLO_1, 2, 16, 1, signed, FALSE, v850),
1794 V800_RELOC (R_V850_GPHWLO_1, 1, 16, 1, signed, FALSE, v850),
1795 V800_EMPTY (R_V810_reserved5),
1796 V800_RELOC (R_V850_EPBLO, 2, 16, 1, signed, FALSE, v850),
1797 V800_RELOC (R_V850_EPHWLO, 1, 16, 1, signed, FALSE, v850),
1798 V800_EMPTY (R_V810_reserved6),
1799 V800_RELOC (R_V850_EPWLO_N, 1, 16, 1, signed, FALSE, v850),
1800 V800_RELOC (R_V850_PC32, 2, 32, 1, signed, TRUE, v850),
1801 V800_RELOC (R_V850_W23BIT, 2, 23, 1, signed, FALSE, v850),
1802 V800_RELOC (R_V850_GPW23BIT, 2, 23, 1, signed, FALSE, v850),
1803 V800_RELOC (R_V850_EPW23BIT, 2, 23, 1, signed, FALSE, v850),
1804 V800_RELOC (R_V850_B23BIT, 2, 23, 1, signed, FALSE, v850),
1805 V800_RELOC (R_V850_GPB23BIT, 2, 23, 1, signed, FALSE, v850),
1806 V800_RELOC (R_V850_EPB23BIT, 2, 23, 1, signed, FALSE, v850),
1807 V800_RELOC (R_V850_PC16U, 1, 16, 1, unsigned, TRUE, generic),
1808 V800_RELOC (R_V850_PC17, 2, 17, 1, signed, TRUE, generic),
1809 V800_RELOC (R_V850_DW8, 2, 8, 2, signed, FALSE, v850),
1810 V800_RELOC (R_V850_GPDW8, 2, 8, 2, signed, FALSE, v850),
1811 V800_RELOC (R_V850_EPDW8, 2, 8, 2, signed, FALSE, v850),
1812 V800_RELOC (R_V850_PC9, 1, 9, 3, signed, TRUE, v850),
1813 V800_RELOC (R_V810_REGBYTE, 0, 8, 0, dont, FALSE, v850),
1814 V800_RELOC (R_V810_REGHWORD, 1, 16, 0, dont, FALSE, v850),
1815 V800_RELOC (R_V810_REGWORD, 2, 32, 0, dont, FALSE, v850),
1816 V800_RELOC (R_V810_REGWLO, 1, 16, 0, dont, FALSE, v850),
1817 V800_RELOC (R_V810_REGWHI, 1, 16, 0, dont, FALSE, v850),
1818 V800_RELOC (R_V810_REGWHI1, 1, 16, 0, dont, FALSE, v850),
1819 V800_RELOC (R_V850_REGW23BIT, 2, 23, 1, signed, FALSE, v850),
1820 V800_RELOC (R_V850_REGB23BIT, 2, 23, 1, signed, FALSE, v850),
1821 V800_RELOC (R_V850_REGDW8, 2, 8, 2, signed, FALSE, v850),
1822 V800_RELOC (R_V810_EPBYTE, 0, 8, 0, dont, FALSE, v850),
1823 V800_RELOC (R_V810_EPHWORD, 1, 16, 0, dont, FALSE, v850),
1824 V800_RELOC (R_V810_EPWORD, 2, 32, 0, dont, FALSE, v850),
1825 V800_RELOC (R_V850_WLO23, 2, 32, 1, dont, FALSE, v850),
1826 V800_RELOC (R_V850_WORD_E, 2, 32, 1, dont, FALSE, v850),
1827 V800_RELOC (R_V850_REGWORD_E, 2, 32, 1, dont, FALSE, v850),
1828 V800_RELOC (R_V850_WORD, 2, 32, 0, dont, FALSE, v850),
1829 V800_RELOC (R_V850_GPWORD, 2, 32, 0, dont, FALSE, v850),
1830 V800_RELOC (R_V850_REGWORD, 2, 32, 0, dont, FALSE, v850),
1831 V800_RELOC (R_V850_EPWORD, 2, 32, 0, dont, FALSE, v850),
1832 V800_RELOC (R_V810_TPBYTE, 0, 8, 0, dont, FALSE, v850),
1833 V800_RELOC (R_V810_TPHWORD, 1, 16, 0, dont, FALSE, v850),
1834 V800_RELOC (R_V810_TPWORD, 2, 32, 0, dont, FALSE, v850),
1835 V800_RELOC (R_V810_TPWLO, 1, 16, 0, dont, FALSE, v850),
1836 V800_RELOC (R_V810_TPWHI, 1, 16, 0, dont, FALSE, v850),
1837 V800_RELOC (R_V810_TPWHI1, 1, 16, 0, dont, FALSE, v850),
1838 V800_RELOC (R_V850_TPHWLO, 1, 16, 1, dont, FALSE, v850),
1839 V800_RELOC (R_V850_TPBLO, 2, 24, 0, dont, FALSE, v850),
1840 V800_RELOC (R_V810_TPWLO_1, 1, 16, 0, signed, FALSE, v850),
1841 V800_RELOC (R_V850_TPBLO_1, 2, 16, 0, signed, FALSE, v850),
1842 V800_RELOC (R_V850_TPHWLO_1, 1, 16, 0, signed, FALSE, v850),
1843 V800_RELOC (R_V850_TP23BIT, 2, 23, 0, signed, FALSE, v850),
1844 V800_RELOC (R_V850_TPW23BIT, 2, 23, 0, signed, FALSE, v850),
1845 V800_RELOC (R_V850_TPDW8, 2, 8, 0, signed, FALSE, v850)
1848 /* Map a bfd relocation into the appropriate howto structure. */
1850 static reloc_howto_type *
1851 v850_elf_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
1852 bfd_reloc_code_real_type code)
1856 for (i = ARRAY_SIZE (v850_elf_reloc_map); i --;)
1857 if (v850_elf_reloc_map[i].bfd_reloc_val == code)
1859 unsigned int elf_reloc_val = v850_elf_reloc_map[i].elf_reloc_val;
1861 BFD_ASSERT (v850_elf_howto_table[elf_reloc_val].type == elf_reloc_val);
1863 return v850_elf_howto_table + elf_reloc_val;
1869 static reloc_howto_type *
1870 v850_elf_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
1876 i < sizeof (v850_elf_howto_table) / sizeof (v850_elf_howto_table[0]);
1878 if (v850_elf_howto_table[i].name != NULL
1879 && strcasecmp (v850_elf_howto_table[i].name, r_name) == 0)
1880 return &v850_elf_howto_table[i];
1885 /* Set the howto pointer for an V850 ELF reloc. */
1888 v850_elf_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED,
1890 Elf_Internal_Rela *dst)
1892 unsigned int r_type;
1894 r_type = ELF32_R_TYPE (dst->r_info);
1895 BFD_ASSERT (r_type < (unsigned int) R_V850_max);
1896 cache_ptr->howto = &v850_elf_howto_table[r_type];
1899 /* Set the howto pointer for a V850 ELF reloc (type RELA). */
1902 v850_elf_info_to_howto_rela (bfd *abfd ATTRIBUTE_UNUSED,
1903 arelent * cache_ptr,
1904 Elf_Internal_Rela *dst)
1906 unsigned int r_type;
1908 r_type = ELF32_R_TYPE (dst->r_info);
1909 BFD_ASSERT (r_type < (unsigned int) R_V850_max);
1910 cache_ptr->howto = &v850_elf_howto_table[r_type];
1914 v850_elf_is_local_label_name (bfd *abfd ATTRIBUTE_UNUSED, const char *name)
1916 return ( (name[0] == '.' && (name[1] == 'L' || name[1] == '.'))
1917 || (name[0] == '_' && name[1] == '.' && name[2] == 'L' && name[3] == '_'));
1920 /* We overload some of the bfd_reloc error codes for own purposes. */
1921 #define bfd_reloc_gp_not_found bfd_reloc_other
1922 #define bfd_reloc_ep_not_found bfd_reloc_continue
1923 #define bfd_reloc_ctbp_not_found (bfd_reloc_dangerous + 1)
1925 /* Perform a relocation as part of a final link. */
1927 static bfd_reloc_status_type
1928 v850_elf_final_link_relocate (reloc_howto_type *howto,
1930 bfd *output_bfd ATTRIBUTE_UNUSED,
1931 asection *input_section,
1936 struct bfd_link_info *info,
1938 int is_local ATTRIBUTE_UNUSED)
1940 unsigned int r_type = howto->type;
1941 bfd_byte *hit_data = contents + offset;
1943 /* Adjust the value according to the relocation. */
1947 case R_V850_9_PCREL:
1948 value -= (input_section->output_section->vma
1949 + input_section->output_offset);
1954 case R_V850_16_PCREL:
1955 value -= (input_section->output_section->vma
1956 + input_section->output_offset
1959 /* If the sign extension will corrupt the value then we have overflowed. */
1960 if ((value & 0xffff0000) != 0xffff0000)
1961 return bfd_reloc_overflow;
1966 case R_V850_17_PCREL:
1967 value -= (input_section->output_section->vma
1968 + input_section->output_offset
1971 /* If the sign extension will corrupt the value then we have overflowed. */
1972 if (((value & 0xffff0000) != 0x0) && ((value & 0xffff0000) != 0xffff0000))
1973 return bfd_reloc_overflow;
1975 value = SEXT17 (value);
1979 case R_V850_22_PCREL:
1980 value -= (input_section->output_section->vma
1981 + input_section->output_offset
1984 /* If the sign extension will corrupt the value then we have overflowed. */
1985 if (((value & 0xffe00000) != 0x0) && ((value & 0xffe00000) != 0xffe00000))
1986 return bfd_reloc_overflow;
1988 /* Only the bottom 22 bits of the PC are valid. */
1989 value = SEXT22 (value);
1993 case R_V850_32_PCREL:
1994 value -= (input_section->output_section->vma
1995 + input_section->output_offset
2004 case R_V850_LO16_S1:
2005 case R_V850_LO16_SPLIT_OFFSET:
2020 case R_V850_ZDA_15_16_OFFSET:
2021 case R_V850_ZDA_16_16_OFFSET:
2022 case R_V850_ZDA_16_16_SPLIT_OFFSET:
2023 if (sym_sec == NULL)
2024 return bfd_reloc_undefined;
2026 value -= sym_sec->output_section->vma;
2029 case R_V850_SDA_15_16_OFFSET:
2030 case R_V850_SDA_16_16_OFFSET:
2031 case R_V850_SDA_16_16_SPLIT_OFFSET:
2032 case R_V810_GPWLO_1:
2035 struct bfd_link_hash_entry * h;
2037 if (sym_sec == NULL)
2038 return bfd_reloc_undefined;
2040 /* Get the value of __gp. */
2041 h = bfd_link_hash_lookup (info->hash, "__gp", FALSE, FALSE, TRUE);
2043 || h->type != bfd_link_hash_defined)
2044 return bfd_reloc_gp_not_found;
2046 gp = (h->u.def.value
2047 + h->u.def.section->output_section->vma
2048 + h->u.def.section->output_offset);
2050 value -= sym_sec->output_section->vma;
2051 value -= (gp - sym_sec->output_section->vma);
2055 case R_V850_TDA_4_4_OFFSET:
2056 case R_V850_TDA_4_5_OFFSET:
2057 case R_V850_TDA_7_7_OFFSET:
2058 case R_V850_TDA_7_8_OFFSET:
2059 case R_V850_TDA_6_8_OFFSET:
2060 case R_V850_TDA_16_16_OFFSET:
2063 struct bfd_link_hash_entry * h;
2065 /* Get the value of __ep. */
2066 h = bfd_link_hash_lookup (info->hash, "__ep", FALSE, FALSE, TRUE);
2068 || h->type != bfd_link_hash_defined)
2069 return bfd_reloc_ep_not_found;
2071 ep = (h->u.def.value
2072 + h->u.def.section->output_section->vma
2073 + h->u.def.section->output_offset);
2079 case R_V850_CALLT_6_7_OFFSET:
2082 struct bfd_link_hash_entry * h;
2084 /* Get the value of __ctbp. */
2085 h = bfd_link_hash_lookup (info->hash, "__ctbp", FALSE, FALSE, TRUE);
2087 || h->type != bfd_link_hash_defined)
2088 return bfd_reloc_ctbp_not_found;
2090 ctbp = (h->u.def.value
2091 + h->u.def.section->output_section->vma
2092 + h->u.def.section->output_offset);
2097 case R_V850_CALLT_15_16_OFFSET:
2098 case R_V850_CALLT_16_16_OFFSET:
2101 struct bfd_link_hash_entry * h;
2103 if (sym_sec == NULL)
2104 return bfd_reloc_undefined;
2106 /* Get the value of __ctbp. */
2107 h = bfd_link_hash_lookup (info->hash, "__ctbp", FALSE, FALSE, TRUE);
2109 || h->type != bfd_link_hash_defined)
2110 return bfd_reloc_ctbp_not_found;
2112 ctbp = (h->u.def.value
2113 + h->u.def.section->output_section->vma
2114 + h->u.def.section->output_offset);
2116 value -= sym_sec->output_section->vma;
2117 value -= (ctbp - sym_sec->output_section->vma);
2123 case R_V850_GNU_VTINHERIT:
2124 case R_V850_GNU_VTENTRY:
2125 case R_V850_LONGCALL:
2126 case R_V850_LONGJUMP:
2128 return bfd_reloc_ok;
2132 fprintf (stderr, "reloc number %d not recognised\n", r_type);
2134 return bfd_reloc_notsupported;
2137 /* Perform the relocation. */
2138 return v850_elf_perform_relocation (input_bfd, r_type, value + addend, hit_data);
2141 /* Relocate an V850 ELF section. */
2144 v850_elf_relocate_section (bfd *output_bfd,
2145 struct bfd_link_info *info,
2147 asection *input_section,
2149 Elf_Internal_Rela *relocs,
2150 Elf_Internal_Sym *local_syms,
2151 asection **local_sections)
2153 Elf_Internal_Shdr *symtab_hdr;
2154 struct elf_link_hash_entry **sym_hashes;
2155 Elf_Internal_Rela *rel;
2156 Elf_Internal_Rela *relend;
2158 symtab_hdr = & elf_tdata (input_bfd)->symtab_hdr;
2159 sym_hashes = elf_sym_hashes (input_bfd);
2161 /* Reset the list of remembered HI16S relocs to empty. */
2162 free_hi16s = previous_hi16s;
2163 previous_hi16s = NULL;
2167 relend = relocs + input_section->reloc_count;
2168 for (; rel < relend; rel++)
2170 unsigned int r_type;
2171 reloc_howto_type *howto;
2172 unsigned long r_symndx;
2173 Elf_Internal_Sym *sym;
2175 struct elf_link_hash_entry *h;
2177 bfd_reloc_status_type r;
2179 r_symndx = ELF32_R_SYM (rel->r_info);
2180 r_type = ELF32_R_TYPE (rel->r_info);
2182 if (r_type == R_V850_GNU_VTENTRY
2183 || r_type == R_V850_GNU_VTINHERIT)
2186 if (bfd_get_arch (input_bfd) == bfd_arch_v850_rh850)
2187 howto = v800_elf_howto_table + (r_type - R_V810_NONE);
2189 howto = v850_elf_howto_table + r_type;
2191 BFD_ASSERT (r_type == howto->type);
2196 if (r_symndx < symtab_hdr->sh_info)
2198 sym = local_syms + r_symndx;
2199 sec = local_sections[r_symndx];
2200 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
2204 bfd_boolean unresolved_reloc, warned;
2206 /* Note - this check is delayed until now as it is possible and
2207 valid to have a file without any symbols but with relocs that
2208 can be processed. */
2209 if (sym_hashes == NULL)
2211 info->callbacks->warning
2212 (info, "no hash table available",
2213 NULL, input_bfd, input_section, (bfd_vma) 0);
2218 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
2219 r_symndx, symtab_hdr, sym_hashes,
2221 unresolved_reloc, warned);
2224 if (sec != NULL && discarded_section (sec))
2225 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
2226 rel, 1, relend, howto, 0, contents);
2228 if (info->relocatable)
2231 /* FIXME: We should use the addend, but the COFF relocations don't. */
2232 r = v850_elf_final_link_relocate (howto, input_bfd, output_bfd,
2234 contents, rel->r_offset,
2235 relocation, rel->r_addend,
2236 info, sec, h == NULL);
2238 if (r != bfd_reloc_ok)
2241 const char * msg = NULL;
2244 name = h->root.root.string;
2247 name = (bfd_elf_string_from_elf_section
2248 (input_bfd, symtab_hdr->sh_link, sym->st_name));
2249 if (name == NULL || *name == '\0')
2250 name = bfd_section_name (input_bfd, sec);
2255 case bfd_reloc_overflow:
2256 if (! ((*info->callbacks->reloc_overflow)
2257 (info, (h ? &h->root : NULL), name, howto->name,
2258 (bfd_vma) 0, input_bfd, input_section,
2263 case bfd_reloc_undefined:
2264 if (! ((*info->callbacks->undefined_symbol)
2265 (info, name, input_bfd, input_section,
2266 rel->r_offset, TRUE)))
2270 case bfd_reloc_outofrange:
2271 msg = _("internal error: out of range error");
2274 case bfd_reloc_notsupported:
2275 msg = _("internal error: unsupported relocation error");
2278 case bfd_reloc_dangerous:
2279 msg = _("internal error: dangerous relocation");
2282 case bfd_reloc_gp_not_found:
2283 msg = _("could not locate special linker symbol __gp");
2286 case bfd_reloc_ep_not_found:
2287 msg = _("could not locate special linker symbol __ep");
2290 case bfd_reloc_ctbp_not_found:
2291 msg = _("could not locate special linker symbol __ctbp");
2295 msg = _("internal error: unknown error");
2299 if (!((*info->callbacks->warning)
2300 (info, msg, name, input_bfd, input_section,
2312 v850_elf_gc_mark_hook (asection *sec,
2313 struct bfd_link_info *info,
2314 Elf_Internal_Rela *rel,
2315 struct elf_link_hash_entry *h,
2316 Elf_Internal_Sym *sym)
2319 switch (ELF32_R_TYPE (rel->r_info))
2321 case R_V850_GNU_VTINHERIT:
2322 case R_V850_GNU_VTENTRY:
2326 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
2329 /* Set the right machine number and architecture. */
2332 v850_elf_object_p (bfd *abfd)
2334 enum bfd_architecture arch;
2337 switch (elf_elfheader (abfd)->e_machine)
2340 arch = bfd_arch_v850_rh850;
2341 mach = (elf_elfheader (abfd)->e_flags & EF_V800_850E3)
2342 ? bfd_mach_v850e3v5 : bfd_mach_v850e2v3;
2345 case EM_CYGNUS_V850:
2347 arch = bfd_arch_v850;
2348 switch (elf_elfheader (abfd)->e_flags & EF_V850_ARCH)
2351 case E_V850_ARCH: mach = bfd_mach_v850; break;
2352 case E_V850E_ARCH: mach = bfd_mach_v850e; break;
2353 case E_V850E1_ARCH: mach = bfd_mach_v850e1; break;
2354 case E_V850E2_ARCH: mach = bfd_mach_v850e2; break;
2355 case E_V850E2V3_ARCH: mach = bfd_mach_v850e2v3; break;
2356 case E_V850E3V5_ARCH: mach = bfd_mach_v850e3v5; break;
2364 return bfd_default_set_arch_mach (abfd, arch, mach);
2367 /* Store the machine number in the flags field. */
2370 v850_elf_final_write_processing (bfd *abfd,
2371 bfd_boolean linker ATTRIBUTE_UNUSED)
2375 switch (bfd_get_arch (abfd))
2377 case bfd_arch_v850_rh850:
2379 if (bfd_get_mach (abfd) == bfd_mach_v850e3v5)
2380 val |= EF_V800_850E3;
2381 elf_elfheader (abfd)->e_flags |= val;
2385 switch (bfd_get_mach (abfd))
2388 case bfd_mach_v850: val = E_V850_ARCH; break;
2389 case bfd_mach_v850e: val = E_V850E_ARCH; break;
2390 case bfd_mach_v850e1: val = E_V850E1_ARCH; break;
2391 case bfd_mach_v850e2: val = E_V850E2_ARCH; break;
2392 case bfd_mach_v850e2v3: val = E_V850E2V3_ARCH; break;
2393 case bfd_mach_v850e3v5: val = E_V850E3V5_ARCH; break;
2395 elf_elfheader (abfd)->e_flags &=~ EF_V850_ARCH;
2396 elf_elfheader (abfd)->e_flags |= val;
2403 /* Function to keep V850 specific file flags. */
2406 v850_elf_set_private_flags (bfd *abfd, flagword flags)
2408 BFD_ASSERT (!elf_flags_init (abfd)
2409 || elf_elfheader (abfd)->e_flags == flags);
2411 elf_elfheader (abfd)->e_flags = flags;
2412 elf_flags_init (abfd) = TRUE;
2416 /* Merge backend specific data from an object file
2417 to the output object file when linking. */
2420 v850_elf_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
2425 if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour
2426 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
2429 in_flags = elf_elfheader (ibfd)->e_flags;
2430 out_flags = elf_elfheader (obfd)->e_flags;
2432 if (! elf_flags_init (obfd))
2434 /* If the input is the default architecture then do not
2435 bother setting the flags for the output architecture,
2436 instead allow future merges to do this. If no future
2437 merges ever set these flags then they will retain their
2438 unitialised values, which surprise surprise, correspond
2439 to the default values. */
2440 if (bfd_get_arch_info (ibfd)->the_default)
2443 elf_flags_init (obfd) = TRUE;
2444 elf_elfheader (obfd)->e_flags = in_flags;
2446 if (bfd_get_arch (obfd) == bfd_get_arch (ibfd)
2447 && bfd_get_arch_info (obfd)->the_default)
2448 return bfd_set_arch_mach (obfd, bfd_get_arch (ibfd), bfd_get_mach (ibfd));
2453 /* Check flag compatibility. */
2454 if (in_flags == out_flags)
2457 if (bfd_get_arch (obfd) == bfd_arch_v850_rh850)
2459 if ((in_flags & EF_V800_850E3) != (out_flags & EF_V800_850E3))
2461 _bfd_error_handler (_("%B: Architecture mismatch with previous modules"),
2463 elf_elfheader (obfd)->e_flags |= EF_V800_850E3;
2466 if ((in_flags & EF_RH850_DATA_ALIGN8) != (out_flags & EF_RH850_DATA_ALIGN8))
2468 _bfd_error_handler (_("%B: Alignment mismatch with previous modules"),
2470 elf_elfheader (obfd)->e_flags |= EF_RH850_DATA_ALIGN8;
2476 if ((in_flags & EF_V850_ARCH) != (out_flags & EF_V850_ARCH)
2477 && (in_flags & EF_V850_ARCH) != E_V850_ARCH)
2479 /* Allow earlier architecture binaries to be linked with later binaries.
2480 Set the output binary to the later architecture, except for v850e1,
2481 which we set to v850e. */
2482 if ( (in_flags & EF_V850_ARCH) == E_V850E1_ARCH
2483 && (out_flags & EF_V850_ARCH) == E_V850E_ARCH)
2486 if ( (in_flags & EF_V850_ARCH) == E_V850_ARCH
2487 && (out_flags & EF_V850_ARCH) == E_V850E_ARCH)
2489 elf_elfheader (obfd)->e_flags =
2490 ((out_flags & ~ EF_V850_ARCH) | E_V850E_ARCH);
2494 if (( (in_flags & EF_V850_ARCH) == E_V850_ARCH
2495 || (in_flags & EF_V850_ARCH) == E_V850E_ARCH)
2496 && (out_flags & EF_V850_ARCH) == E_V850E2_ARCH)
2498 elf_elfheader (obfd)->e_flags =
2499 ((out_flags & ~ EF_V850_ARCH) | E_V850E2_ARCH);
2503 if (( (in_flags & EF_V850_ARCH) == E_V850_ARCH
2504 || (in_flags & EF_V850_ARCH) == E_V850E_ARCH
2505 || (in_flags & EF_V850_ARCH) == E_V850E2_ARCH)
2506 && (out_flags & EF_V850_ARCH) == E_V850E2V3_ARCH)
2508 elf_elfheader (obfd)->e_flags =
2509 ((out_flags & ~ EF_V850_ARCH) | E_V850E2V3_ARCH);
2513 if (( (in_flags & EF_V850_ARCH) == E_V850_ARCH
2514 || (in_flags & EF_V850_ARCH) == E_V850E_ARCH
2515 || (in_flags & EF_V850_ARCH) == E_V850E2_ARCH
2516 || (in_flags & EF_V850_ARCH) == E_V850E2V3_ARCH)
2517 && (out_flags & EF_V850_ARCH) == E_V850E3V5_ARCH)
2519 elf_elfheader (obfd)->e_flags =
2520 ((out_flags & ~ EF_V850_ARCH) | E_V850E3V5_ARCH);
2524 _bfd_error_handler (_("%B: Architecture mismatch with previous modules"),
2531 /* Display the flags field. */
2534 v850_elf_print_private_bfd_data (bfd *abfd, void * ptr)
2536 FILE * file = (FILE *) ptr;
2538 BFD_ASSERT (abfd != NULL && ptr != NULL);
2540 _bfd_elf_print_private_bfd_data (abfd, ptr);
2542 /* xgettext:c-format. */
2543 fprintf (file, _("private flags = %lx: "), elf_elfheader (abfd)->e_flags);
2545 if (bfd_get_arch (abfd) == bfd_arch_v850_rh850)
2547 if ((elf_elfheader (abfd)->e_flags & EF_RH850_ABI) != EF_RH850_ABI)
2548 fprintf (file, _("unknown v850 architecture"));
2549 else if (elf_elfheader (abfd)->e_flags & EF_V800_850E3)
2550 fprintf (file, _("v850 E3 architecture"));
2552 fprintf (file, _("v850 architecture"));
2554 if (elf_elfheader (abfd)->e_flags & EF_RH850_DATA_ALIGN8)
2555 fprintf (file, _(", 8-byte data alignment"));
2559 switch (elf_elfheader (abfd)->e_flags & EF_V850_ARCH)
2562 case E_V850_ARCH: fprintf (file, _("v850 architecture")); break;
2563 case E_V850E_ARCH: fprintf (file, _("v850e architecture")); break;
2564 case E_V850E1_ARCH: fprintf (file, _("v850e1 architecture")); break;
2565 case E_V850E2_ARCH: fprintf (file, _("v850e2 architecture")); break;
2566 case E_V850E2V3_ARCH: fprintf (file, _("v850e2v3 architecture")); break;
2567 case E_V850E3V5_ARCH: fprintf (file, _("v850e3v5 architecture")); break;
2576 /* V850 ELF uses four common sections. One is the usual one, and the
2577 others are for (small) objects in one of the special data areas:
2578 small, tiny and zero. All the objects are kept together, and then
2579 referenced via the gp register, the ep register or the r0 register
2580 respectively, which yields smaller, faster assembler code. This
2581 approach is copied from elf32-mips.c. */
2583 static asection v850_elf_scom_section;
2584 static asymbol v850_elf_scom_symbol;
2585 static asymbol * v850_elf_scom_symbol_ptr;
2586 static asection v850_elf_tcom_section;
2587 static asymbol v850_elf_tcom_symbol;
2588 static asymbol * v850_elf_tcom_symbol_ptr;
2589 static asection v850_elf_zcom_section;
2590 static asymbol v850_elf_zcom_symbol;
2591 static asymbol * v850_elf_zcom_symbol_ptr;
2593 /* Given a BFD section, try to locate the
2594 corresponding ELF section index. */
2597 v850_elf_section_from_bfd_section (bfd *abfd ATTRIBUTE_UNUSED,
2601 if (strcmp (bfd_get_section_name (abfd, sec), ".scommon") == 0)
2602 *retval = SHN_V850_SCOMMON;
2603 else if (strcmp (bfd_get_section_name (abfd, sec), ".tcommon") == 0)
2604 *retval = SHN_V850_TCOMMON;
2605 else if (strcmp (bfd_get_section_name (abfd, sec), ".zcommon") == 0)
2606 *retval = SHN_V850_ZCOMMON;
2613 /* Handle the special V850 section numbers that a symbol may use. */
2616 v850_elf_symbol_processing (bfd *abfd, asymbol *asym)
2618 elf_symbol_type * elfsym = (elf_symbol_type *) asym;
2621 indx = elfsym->internal_elf_sym.st_shndx;
2623 /* If the section index is an "ordinary" index, then it may
2624 refer to a v850 specific section created by the assembler.
2625 Check the section's type and change the index it matches.
2627 FIXME: Should we alter the st_shndx field as well ? */
2629 if (indx < elf_numsections (abfd))
2630 switch (elf_elfsections (abfd)[indx]->sh_type)
2632 case SHT_V850_SCOMMON:
2633 indx = SHN_V850_SCOMMON;
2636 case SHT_V850_TCOMMON:
2637 indx = SHN_V850_TCOMMON;
2640 case SHT_V850_ZCOMMON:
2641 indx = SHN_V850_ZCOMMON;
2650 case SHN_V850_SCOMMON:
2651 if (v850_elf_scom_section.name == NULL)
2653 /* Initialize the small common section. */
2654 v850_elf_scom_section.name = ".scommon";
2655 v850_elf_scom_section.flags = SEC_IS_COMMON | SEC_ALLOC | SEC_DATA;
2656 v850_elf_scom_section.output_section = & v850_elf_scom_section;
2657 v850_elf_scom_section.symbol = & v850_elf_scom_symbol;
2658 v850_elf_scom_section.symbol_ptr_ptr = & v850_elf_scom_symbol_ptr;
2659 v850_elf_scom_symbol.name = ".scommon";
2660 v850_elf_scom_symbol.flags = BSF_SECTION_SYM;
2661 v850_elf_scom_symbol.section = & v850_elf_scom_section;
2662 v850_elf_scom_symbol_ptr = & v850_elf_scom_symbol;
2664 asym->section = & v850_elf_scom_section;
2665 asym->value = elfsym->internal_elf_sym.st_size;
2668 case SHN_V850_TCOMMON:
2669 if (v850_elf_tcom_section.name == NULL)
2671 /* Initialize the tcommon section. */
2672 v850_elf_tcom_section.name = ".tcommon";
2673 v850_elf_tcom_section.flags = SEC_IS_COMMON;
2674 v850_elf_tcom_section.output_section = & v850_elf_tcom_section;
2675 v850_elf_tcom_section.symbol = & v850_elf_tcom_symbol;
2676 v850_elf_tcom_section.symbol_ptr_ptr = & v850_elf_tcom_symbol_ptr;
2677 v850_elf_tcom_symbol.name = ".tcommon";
2678 v850_elf_tcom_symbol.flags = BSF_SECTION_SYM;
2679 v850_elf_tcom_symbol.section = & v850_elf_tcom_section;
2680 v850_elf_tcom_symbol_ptr = & v850_elf_tcom_symbol;
2682 asym->section = & v850_elf_tcom_section;
2683 asym->value = elfsym->internal_elf_sym.st_size;
2686 case SHN_V850_ZCOMMON:
2687 if (v850_elf_zcom_section.name == NULL)
2689 /* Initialize the zcommon section. */
2690 v850_elf_zcom_section.name = ".zcommon";
2691 v850_elf_zcom_section.flags = SEC_IS_COMMON;
2692 v850_elf_zcom_section.output_section = & v850_elf_zcom_section;
2693 v850_elf_zcom_section.symbol = & v850_elf_zcom_symbol;
2694 v850_elf_zcom_section.symbol_ptr_ptr = & v850_elf_zcom_symbol_ptr;
2695 v850_elf_zcom_symbol.name = ".zcommon";
2696 v850_elf_zcom_symbol.flags = BSF_SECTION_SYM;
2697 v850_elf_zcom_symbol.section = & v850_elf_zcom_section;
2698 v850_elf_zcom_symbol_ptr = & v850_elf_zcom_symbol;
2700 asym->section = & v850_elf_zcom_section;
2701 asym->value = elfsym->internal_elf_sym.st_size;
2706 /* Hook called by the linker routine which adds symbols from an object
2707 file. We must handle the special v850 section numbers here. */
2710 v850_elf_add_symbol_hook (bfd *abfd,
2711 struct bfd_link_info *info ATTRIBUTE_UNUSED,
2712 Elf_Internal_Sym *sym,
2713 const char **namep ATTRIBUTE_UNUSED,
2714 flagword *flagsp ATTRIBUTE_UNUSED,
2718 unsigned int indx = sym->st_shndx;
2720 /* If the section index is an "ordinary" index, then it may
2721 refer to a v850 specific section created by the assembler.
2722 Check the section's type and change the index it matches.
2724 FIXME: Should we alter the st_shndx field as well ? */
2726 if (indx < elf_numsections (abfd))
2727 switch (elf_elfsections (abfd)[indx]->sh_type)
2729 case SHT_V850_SCOMMON:
2730 indx = SHN_V850_SCOMMON;
2733 case SHT_V850_TCOMMON:
2734 indx = SHN_V850_TCOMMON;
2737 case SHT_V850_ZCOMMON:
2738 indx = SHN_V850_ZCOMMON;
2747 case SHN_V850_SCOMMON:
2748 *secp = bfd_make_section_old_way (abfd, ".scommon");
2749 (*secp)->flags |= SEC_IS_COMMON;
2750 *valp = sym->st_size;
2753 case SHN_V850_TCOMMON:
2754 *secp = bfd_make_section_old_way (abfd, ".tcommon");
2755 (*secp)->flags |= SEC_IS_COMMON;
2756 *valp = sym->st_size;
2759 case SHN_V850_ZCOMMON:
2760 *secp = bfd_make_section_old_way (abfd, ".zcommon");
2761 (*secp)->flags |= SEC_IS_COMMON;
2762 *valp = sym->st_size;
2770 v850_elf_link_output_symbol_hook (struct bfd_link_info *info ATTRIBUTE_UNUSED,
2771 const char *name ATTRIBUTE_UNUSED,
2772 Elf_Internal_Sym *sym,
2773 asection *input_sec,
2774 struct elf_link_hash_entry *h ATTRIBUTE_UNUSED)
2776 /* If we see a common symbol, which implies a relocatable link, then
2777 if a symbol was in a special common section in an input file, mark
2778 it as a special common in the output file. */
2780 if (sym->st_shndx == SHN_COMMON)
2782 if (strcmp (input_sec->name, ".scommon") == 0)
2783 sym->st_shndx = SHN_V850_SCOMMON;
2784 else if (strcmp (input_sec->name, ".tcommon") == 0)
2785 sym->st_shndx = SHN_V850_TCOMMON;
2786 else if (strcmp (input_sec->name, ".zcommon") == 0)
2787 sym->st_shndx = SHN_V850_ZCOMMON;
2790 /* The price we pay for using h->other unused bits as flags in the
2791 linker is cleaning up after ourselves. */
2793 sym->st_other &= ~(V850_OTHER_SDA | V850_OTHER_ZDA | V850_OTHER_TDA
2794 | V850_OTHER_ERROR);
2800 v850_elf_section_from_shdr (bfd *abfd,
2801 Elf_Internal_Shdr *hdr,
2805 /* There ought to be a place to keep ELF backend specific flags, but
2806 at the moment there isn't one. We just keep track of the
2807 sections by their name, instead. */
2809 if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex))
2812 switch (hdr->sh_type)
2814 case SHT_V850_SCOMMON:
2815 case SHT_V850_TCOMMON:
2816 case SHT_V850_ZCOMMON:
2817 if (! bfd_set_section_flags (abfd, hdr->bfd_section,
2818 (bfd_get_section_flags (abfd,
2827 /* Set the correct type for a V850 ELF section. We do this
2828 by the section name, which is a hack, but ought to work. */
2831 v850_elf_fake_sections (bfd *abfd ATTRIBUTE_UNUSED,
2832 Elf_Internal_Shdr *hdr,
2837 name = bfd_get_section_name (abfd, sec);
2839 if (strcmp (name, ".scommon") == 0)
2840 hdr->sh_type = SHT_V850_SCOMMON;
2841 else if (strcmp (name, ".tcommon") == 0)
2842 hdr->sh_type = SHT_V850_TCOMMON;
2843 else if (strcmp (name, ".zcommon") == 0)
2844 hdr->sh_type = SHT_V850_ZCOMMON;
2849 /* Delete some bytes from a section while relaxing. */
2852 v850_elf_relax_delete_bytes (bfd *abfd,
2858 Elf_Internal_Shdr *symtab_hdr;
2859 Elf32_External_Sym *extsyms;
2860 Elf32_External_Sym *esym;
2861 Elf32_External_Sym *esymend;
2863 unsigned int sec_shndx;
2865 Elf_Internal_Rela *irel;
2866 Elf_Internal_Rela *irelend;
2867 struct elf_link_hash_entry *sym_hash;
2868 Elf_Internal_Shdr *shndx_hdr;
2869 Elf_External_Sym_Shndx *shndx;
2871 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
2872 extsyms = (Elf32_External_Sym *) symtab_hdr->contents;
2874 sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
2876 contents = elf_section_data (sec)->this_hdr.contents;
2878 /* The deletion must stop at the next ALIGN reloc for an alignment
2879 power larger than the number of bytes we are deleting. */
2881 /* Actually delete the bytes. */
2882 #if (DEBUG_RELAX & 2)
2883 fprintf (stderr, "relax_delete: contents: sec: %s %p .. %p %x\n",
2884 sec->name, addr, toaddr, count );
2886 memmove (contents + addr, contents + addr + count,
2887 toaddr - addr - count);
2888 memset (contents + toaddr-count, 0, count);
2890 /* Adjust all the relocs. */
2891 irel = elf_section_data (sec)->relocs;
2892 irelend = irel + sec->reloc_count;
2893 shndx_hdr = &elf_tdata (abfd)->symtab_shndx_hdr;
2894 shndx = (Elf_External_Sym_Shndx *) shndx_hdr->contents;
2896 for (; irel < irelend; irel++)
2898 bfd_vma raddr, paddr, symval;
2899 Elf_Internal_Sym isym;
2901 /* Get the new reloc address. */
2902 raddr = irel->r_offset;
2903 if ((raddr >= (addr + count) && raddr < toaddr))
2904 irel->r_offset -= count;
2906 if (raddr >= addr && raddr < addr + count)
2908 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
2913 if (ELF32_R_TYPE (irel->r_info) == (int) R_V850_ALIGN)
2916 bfd_elf32_swap_symbol_in (abfd,
2917 extsyms + ELF32_R_SYM (irel->r_info),
2918 shndx ? shndx + ELF32_R_SYM (irel->r_info) : NULL,
2921 if (isym.st_shndx != sec_shndx)
2924 /* Get the value of the symbol referred to by the reloc. */
2925 if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
2927 symval = isym.st_value;
2928 #if (DEBUG_RELAX & 2)
2930 char * name = bfd_elf_string_from_elf_section
2931 (abfd, symtab_hdr->sh_link, isym.st_name);
2933 "relax_delete: local: sec: %s, sym: %s (%d), value: %x + %x + %x addend %x\n",
2934 sec->name, name, isym.st_name,
2935 sec->output_section->vma, sec->output_offset,
2936 isym.st_value, irel->r_addend);
2943 struct elf_link_hash_entry * h;
2945 /* An external symbol. */
2946 indx = ELF32_R_SYM (irel->r_info) - symtab_hdr->sh_info;
2948 h = elf_sym_hashes (abfd) [indx];
2949 BFD_ASSERT (h != NULL);
2951 symval = h->root.u.def.value;
2952 #if (DEBUG_RELAX & 2)
2954 "relax_delete: defined: sec: %s, name: %s, value: %x + %x + %x addend %x\n",
2955 sec->name, h->root.root.string, h->root.u.def.value,
2956 sec->output_section->vma, sec->output_offset, irel->r_addend);
2960 paddr = symval + irel->r_addend;
2962 if ( (symval >= addr + count && symval < toaddr)
2963 && (paddr < addr + count || paddr >= toaddr))
2964 irel->r_addend += count;
2965 else if ( (symval < addr + count || symval >= toaddr)
2966 && (paddr >= addr + count && paddr < toaddr))
2967 irel->r_addend -= count;
2970 /* Adjust the local symbols defined in this section. */
2972 esymend = esym + symtab_hdr->sh_info;
2974 for (; esym < esymend; esym++, shndx = (shndx ? shndx + 1 : NULL))
2976 Elf_Internal_Sym isym;
2978 bfd_elf32_swap_symbol_in (abfd, esym, shndx, & isym);
2980 if (isym.st_shndx == sec_shndx
2981 && isym.st_value >= addr + count
2982 && isym.st_value < toaddr)
2984 isym.st_value -= count;
2986 if (isym.st_value + isym.st_size >= toaddr)
2987 isym.st_size += count;
2989 bfd_elf32_swap_symbol_out (abfd, & isym, esym, shndx);
2991 else if (isym.st_shndx == sec_shndx
2992 && isym.st_value < addr + count)
2994 if (isym.st_value+isym.st_size >= addr + count
2995 && isym.st_value+isym.st_size < toaddr)
2996 isym.st_size -= count;
2998 if (isym.st_value >= addr
2999 && isym.st_value < addr + count)
3000 isym.st_value = addr;
3002 bfd_elf32_swap_symbol_out (abfd, & isym, esym, shndx);
3006 /* Now adjust the global symbols defined in this section. */
3007 esym = extsyms + symtab_hdr->sh_info;
3008 esymend = extsyms + (symtab_hdr->sh_size / sizeof (Elf32_External_Sym));
3010 for (sym_index = 0; esym < esymend; esym ++, sym_index ++)
3012 Elf_Internal_Sym isym;
3014 bfd_elf32_swap_symbol_in (abfd, esym, shndx, & isym);
3015 sym_hash = elf_sym_hashes (abfd) [sym_index];
3017 if (isym.st_shndx == sec_shndx
3018 && ((sym_hash)->root.type == bfd_link_hash_defined
3019 || (sym_hash)->root.type == bfd_link_hash_defweak)
3020 && (sym_hash)->root.u.def.section == sec
3021 && (sym_hash)->root.u.def.value >= addr + count
3022 && (sym_hash)->root.u.def.value < toaddr)
3024 if ((sym_hash)->root.u.def.value + isym.st_size >= toaddr)
3026 isym.st_size += count;
3027 bfd_elf32_swap_symbol_out (abfd, & isym, esym, shndx);
3030 (sym_hash)->root.u.def.value -= count;
3032 else if (isym.st_shndx == sec_shndx
3033 && ((sym_hash)->root.type == bfd_link_hash_defined
3034 || (sym_hash)->root.type == bfd_link_hash_defweak)
3035 && (sym_hash)->root.u.def.section == sec
3036 && (sym_hash)->root.u.def.value < addr + count)
3038 if ((sym_hash)->root.u.def.value+isym.st_size >= addr + count
3039 && (sym_hash)->root.u.def.value+isym.st_size < toaddr)
3040 isym.st_size -= count;
3042 if ((sym_hash)->root.u.def.value >= addr
3043 && (sym_hash)->root.u.def.value < addr + count)
3044 (sym_hash)->root.u.def.value = addr;
3046 bfd_elf32_swap_symbol_out (abfd, & isym, esym, shndx);
3056 #define NOP_OPCODE (0x0000)
3057 #define MOVHI 0x0640 /* 4byte. */
3058 #define MOVHI_MASK 0x07e0
3059 #define MOVHI_R1(insn) ((insn) & 0x1f) /* 4byte. */
3060 #define MOVHI_R2(insn) ((insn) >> 11)
3061 #define MOVEA 0x0620 /* 2byte. */
3062 #define MOVEA_MASK 0x07e0
3063 #define MOVEA_R1(insn) ((insn) & 0x1f)
3064 #define MOVEA_R2(insn) ((insn) >> 11)
3065 #define JARL_4 0x00040780 /* 4byte. */
3066 #define JARL_4_MASK 0xFFFF07FF
3067 #define JARL_R2(insn) (int)(((insn) & (~JARL_4_MASK)) >> 11)
3068 #define ADD_I 0x0240 /* 2byte. */
3069 #define ADD_I_MASK 0x07e0
3070 #define ADD_I5(insn) ((((insn) & 0x001f) << 11) >> 11) /* 2byte. */
3071 #define ADD_R2(insn) ((insn) >> 11)
3072 #define JMP_R 0x0060 /* 2byte. */
3073 #define JMP_R_MASK 0xFFE0
3074 #define JMP_R1(insn) ((insn) & 0x1f)
3077 v850_elf_relax_section (bfd *abfd,
3079 struct bfd_link_info *link_info,
3082 Elf_Internal_Shdr *symtab_hdr;
3083 Elf_Internal_Rela *internal_relocs;
3084 Elf_Internal_Rela *irel;
3085 Elf_Internal_Rela *irelend;
3086 Elf_Internal_Rela *irelalign = NULL;
3087 Elf_Internal_Sym *isymbuf = NULL;
3088 bfd_byte *contents = NULL;
3091 int align_pad_size = 0;
3092 bfd_boolean result = TRUE;
3096 if (link_info->relocatable
3097 || (sec->flags & SEC_RELOC) == 0
3098 || sec->reloc_count == 0)
3101 symtab_hdr = & elf_tdata (abfd)->symtab_hdr;
3103 internal_relocs = (_bfd_elf_link_read_relocs
3104 (abfd, sec, NULL, NULL, link_info->keep_memory));
3105 if (internal_relocs == NULL)
3108 irelend = internal_relocs + sec->reloc_count;
3110 while (addr < sec->size)
3114 for (irel = internal_relocs; irel < irelend; irel ++)
3115 if (ELF32_R_TYPE (irel->r_info) == (int) R_V850_ALIGN
3116 && irel->r_offset > addr
3117 && irel->r_offset < toaddr)
3118 toaddr = irel->r_offset;
3121 fprintf (stderr, "relax region 0x%x to 0x%x align pad %d\n",
3122 addr, toaddr, align_pad_size);
3127 bfd_vma alignmoveto;
3129 alignmoveto = BFD_ALIGN (addr - align_pad_size, 1 << irelalign->r_addend);
3130 alignto = BFD_ALIGN (addr, 1 << irelalign->r_addend);
3132 if (alignmoveto < alignto)
3136 align_pad_size = alignto - alignmoveto;
3138 fprintf (stderr, "relax move region 0x%x to 0x%x delete size 0x%x\n",
3139 alignmoveto, toaddr, align_pad_size);
3141 if (!v850_elf_relax_delete_bytes (abfd, sec, alignmoveto,
3142 toaddr, align_pad_size))
3145 for (i = BFD_ALIGN (toaddr - align_pad_size, 1);
3146 (i + 1) < toaddr; i += 2)
3147 bfd_put_16 (abfd, NOP_OPCODE, contents + i);
3155 for (irel = internal_relocs; irel < irelend; irel++)
3162 Elf_Internal_Rela *hi_irelfn;
3163 Elf_Internal_Rela *lo_irelfn;
3164 Elf_Internal_Rela *irelcall;
3165 bfd_signed_vma foff;
3166 unsigned int r_type;
3168 if (! (irel->r_offset >= addr && irel->r_offset < toaddr
3169 && (ELF32_R_TYPE (irel->r_info) == (int) R_V850_LONGCALL
3170 || ELF32_R_TYPE (irel->r_info) == (int) R_V850_LONGJUMP)))
3174 fprintf (stderr, "relax check r_info 0x%x r_offset 0x%x r_addend 0x%x\n",
3180 /* Get the section contents. */
3181 if (contents == NULL)
3183 if (elf_section_data (sec)->this_hdr.contents != NULL)
3184 contents = elf_section_data (sec)->this_hdr.contents;
3187 if (! bfd_malloc_and_get_section (abfd, sec, &contents))
3192 /* Read this BFD's local symbols if we haven't done so already. */
3193 if (isymbuf == NULL && symtab_hdr->sh_info != 0)
3195 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
3196 if (isymbuf == NULL)
3197 isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
3198 symtab_hdr->sh_info, 0,
3200 if (isymbuf == NULL)
3204 laddr = irel->r_offset;
3206 if (ELF32_R_TYPE (irel->r_info) == (int) R_V850_LONGCALL)
3208 /* Check code for -mlong-calls output. */
3209 if (laddr + 16 <= (bfd_vma) sec->size)
3211 insn[0] = bfd_get_16 (abfd, contents + laddr);
3212 insn[1] = bfd_get_16 (abfd, contents + laddr + 4);
3213 insn[2] = bfd_get_32 (abfd, contents + laddr + 8);
3214 insn[3] = bfd_get_16 (abfd, contents + laddr + 12);
3215 insn[4] = bfd_get_16 (abfd, contents + laddr + 14);
3217 if ((insn[0] & MOVHI_MASK) != MOVHI
3218 || MOVHI_R1 (insn[0]) != 0)
3222 && ((insn[1] & MOVEA_MASK) != MOVEA
3223 || MOVHI_R2 (insn[0]) != MOVEA_R1 (insn[1])))
3227 && (insn[2] & JARL_4_MASK) != JARL_4)
3231 && ((insn[3] & ADD_I_MASK) != ADD_I
3232 || ADD_I5 (insn[3]) != 4
3233 || JARL_R2 (insn[2]) != ADD_R2 (insn[3])))
3237 && ((insn[4] & JMP_R_MASK) != JMP_R
3238 || MOVEA_R2 (insn[1]) != JMP_R1 (insn[4])))
3243 ((*_bfd_error_handler)
3244 ("%s: 0x%lx: warning: R_V850_LONGCALL points to unrecognized insns",
3245 bfd_get_filename (abfd), (unsigned long) irel->r_offset));
3252 ((*_bfd_error_handler)
3253 ("%s: 0x%lx: warning: R_V850_LONGCALL points to unrecognized insn 0x%x",
3254 bfd_get_filename (abfd), (unsigned long) irel->r_offset+no_match, insn[no_match]));
3259 /* Get the reloc for the address from which the register is
3260 being loaded. This reloc will tell us which function is
3261 actually being called. */
3263 for (hi_irelfn = internal_relocs; hi_irelfn < irelend; hi_irelfn ++)
3265 r_type = ELF32_R_TYPE (hi_irelfn->r_info);
3267 if (hi_irelfn->r_offset == laddr + 2
3268 && (r_type == (int) R_V850_HI16_S || r_type == (int) R_V810_WHI1))
3272 for (lo_irelfn = internal_relocs; lo_irelfn < irelend; lo_irelfn ++)
3274 r_type = ELF32_R_TYPE (lo_irelfn->r_info);
3276 if (lo_irelfn->r_offset == laddr + 6
3277 && (r_type == (int) R_V850_LO16 || r_type == (int) R_V810_WLO))
3281 for (irelcall = internal_relocs; irelcall < irelend; irelcall ++)
3283 r_type = ELF32_R_TYPE (irelcall->r_info);
3285 if (irelcall->r_offset == laddr + 8
3286 && (r_type == (int) R_V850_22_PCREL || r_type == (int) R_V850_PCR22))
3290 if ( hi_irelfn == irelend
3291 || lo_irelfn == irelend
3292 || irelcall == irelend)
3294 ((*_bfd_error_handler)
3295 ("%s: 0x%lx: warning: R_V850_LONGCALL points to unrecognized reloc",
3296 bfd_get_filename (abfd), (unsigned long) irel->r_offset ));
3301 if (ELF32_R_SYM (irelcall->r_info) < symtab_hdr->sh_info)
3303 Elf_Internal_Sym * isym;
3305 /* A local symbol. */
3306 isym = isymbuf + ELF32_R_SYM (irelcall->r_info);
3308 symval = isym->st_value;
3313 struct elf_link_hash_entry * h;
3315 /* An external symbol. */
3316 indx = ELF32_R_SYM (irelcall->r_info) - symtab_hdr->sh_info;
3317 h = elf_sym_hashes (abfd)[indx];
3318 BFD_ASSERT (h != NULL);
3320 if ( h->root.type != bfd_link_hash_defined
3321 && h->root.type != bfd_link_hash_defweak)
3322 /* This appears to be a reference to an undefined
3323 symbol. Just ignore it--it will be caught by the
3324 regular reloc processing. */
3327 symval = h->root.u.def.value;
3330 if (symval + irelcall->r_addend != irelcall->r_offset + 4)
3332 ((*_bfd_error_handler)
3333 ("%s: 0x%lx: warning: R_V850_LONGCALL points to unrecognized reloc 0x%lx",
3334 bfd_get_filename (abfd), (unsigned long) irel->r_offset, irelcall->r_offset ));
3339 /* Get the value of the symbol referred to by the reloc. */
3340 if (ELF32_R_SYM (hi_irelfn->r_info) < symtab_hdr->sh_info)
3342 Elf_Internal_Sym *isym;
3345 /* A local symbol. */
3346 isym = isymbuf + ELF32_R_SYM (hi_irelfn->r_info);
3348 if (isym->st_shndx == SHN_UNDEF)
3349 sym_sec = bfd_und_section_ptr;
3350 else if (isym->st_shndx == SHN_ABS)
3351 sym_sec = bfd_abs_section_ptr;
3352 else if (isym->st_shndx == SHN_COMMON)
3353 sym_sec = bfd_com_section_ptr;
3355 sym_sec = bfd_section_from_elf_index (abfd, isym->st_shndx);
3356 symval = (isym->st_value
3357 + sym_sec->output_section->vma
3358 + sym_sec->output_offset);
3363 struct elf_link_hash_entry *h;
3365 /* An external symbol. */
3366 indx = ELF32_R_SYM (hi_irelfn->r_info) - symtab_hdr->sh_info;
3367 h = elf_sym_hashes (abfd)[indx];
3368 BFD_ASSERT (h != NULL);
3370 if ( h->root.type != bfd_link_hash_defined
3371 && h->root.type != bfd_link_hash_defweak)
3372 /* This appears to be a reference to an undefined
3373 symbol. Just ignore it--it will be caught by the
3374 regular reloc processing. */
3377 symval = (h->root.u.def.value
3378 + h->root.u.def.section->output_section->vma
3379 + h->root.u.def.section->output_offset);
3382 addend = irel->r_addend;
3384 foff = (symval + addend
3386 + sec->output_section->vma
3387 + sec->output_offset
3390 fprintf (stderr, "relax longcall r_offset 0x%x ptr 0x%x symbol 0x%x addend 0x%x distance 0x%x\n",
3393 + sec->output_section->vma
3394 + sec->output_offset),
3395 symval, addend, foff);
3398 if (foff < -0x100000 || foff >= 0x100000)
3399 /* After all that work, we can't shorten this function call. */
3402 /* For simplicity of coding, we are going to modify the section
3403 contents, the section relocs, and the BFD symbol table. We
3404 must tell the rest of the code not to free up this
3405 information. It would be possible to instead create a table
3406 of changes which have to be made, as is done in coff-mips.c;
3407 that would be more work, but would require less memory when
3408 the linker is run. */
3409 elf_section_data (sec)->relocs = internal_relocs;
3410 elf_section_data (sec)->this_hdr.contents = contents;
3411 symtab_hdr->contents = (bfd_byte *) isymbuf;
3413 /* Replace the long call with a jarl. */
3414 if (bfd_get_arch (abfd) == bfd_arch_v850_rh850)
3415 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (hi_irelfn->r_info), R_V850_PCR22);
3417 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (hi_irelfn->r_info), R_V850_22_PCREL);
3421 if (ELF32_R_SYM (hi_irelfn->r_info) < symtab_hdr->sh_info)
3422 /* If this needs to be changed because of future relaxing,
3423 it will be handled here like other internal IND12W
3426 0x00000780 | (JARL_R2 (insn[2])<<11) | ((addend << 16) & 0xffff) | ((addend >> 16) & 0xf),
3427 contents + irel->r_offset);
3429 /* We can't fully resolve this yet, because the external
3430 symbol value may be changed by future relaxing.
3431 We let the final link phase handle it. */
3432 bfd_put_32 (abfd, 0x00000780 | (JARL_R2 (insn[2])<<11),
3433 contents + irel->r_offset);
3436 ELF32_R_INFO (ELF32_R_SYM (hi_irelfn->r_info), R_V850_NONE);
3438 ELF32_R_INFO (ELF32_R_SYM (lo_irelfn->r_info), R_V850_NONE);
3440 ELF32_R_INFO (ELF32_R_SYM (irelcall->r_info), R_V850_NONE);
3442 if (! v850_elf_relax_delete_bytes (abfd, sec,
3443 irel->r_offset + 4, toaddr, 12))
3446 align_pad_size += 12;
3448 else if (ELF32_R_TYPE (irel->r_info) == (int) R_V850_LONGJUMP)
3450 /* Check code for -mlong-jumps output. */
3451 if (laddr + 10 <= (bfd_vma) sec->size)
3453 insn[0] = bfd_get_16 (abfd, contents + laddr);
3454 insn[1] = bfd_get_16 (abfd, contents + laddr + 4);
3455 insn[2] = bfd_get_16 (abfd, contents + laddr + 8);
3457 if ((insn[0] & MOVHI_MASK) != MOVHI
3458 || MOVHI_R1 (insn[0]) != 0)
3462 && ((insn[1] & MOVEA_MASK) != MOVEA
3463 || MOVHI_R2 (insn[0]) != MOVEA_R1 (insn[1])))
3467 && ((insn[2] & JMP_R_MASK) != JMP_R
3468 || MOVEA_R2 (insn[1]) != JMP_R1 (insn[2])))
3473 ((*_bfd_error_handler)
3474 ("%s: 0x%lx: warning: R_V850_LONGJUMP points to unrecognized insns",
3475 bfd_get_filename (abfd), (unsigned long) irel->r_offset));
3482 ((*_bfd_error_handler)
3483 ("%s: 0x%lx: warning: R_V850_LONGJUMP points to unrecognized insn 0x%x",
3484 bfd_get_filename (abfd), (unsigned long) irel->r_offset+no_match, insn[no_match]));
3489 /* Get the reloc for the address from which the register is
3490 being loaded. This reloc will tell us which function is
3491 actually being called. */
3492 for (hi_irelfn = internal_relocs; hi_irelfn < irelend; hi_irelfn ++)
3494 r_type = ELF32_R_TYPE (hi_irelfn->r_info);
3496 if (hi_irelfn->r_offset == laddr + 2
3497 && ((r_type == (int) R_V850_HI16_S) || r_type == (int) R_V810_WHI1))
3501 for (lo_irelfn = internal_relocs; lo_irelfn < irelend; lo_irelfn ++)
3503 r_type = ELF32_R_TYPE (lo_irelfn->r_info);
3505 if (lo_irelfn->r_offset == laddr + 6
3506 && (r_type == (int) R_V850_LO16 || r_type == (int) R_V810_WLO))
3510 if ( hi_irelfn == irelend
3511 || lo_irelfn == irelend)
3513 ((*_bfd_error_handler)
3514 ("%s: 0x%lx: warning: R_V850_LONGJUMP points to unrecognized reloc",
3515 bfd_get_filename (abfd), (unsigned long) irel->r_offset ));
3520 /* Get the value of the symbol referred to by the reloc. */
3521 if (ELF32_R_SYM (hi_irelfn->r_info) < symtab_hdr->sh_info)
3523 Elf_Internal_Sym * isym;
3526 /* A local symbol. */
3527 isym = isymbuf + ELF32_R_SYM (hi_irelfn->r_info);
3529 if (isym->st_shndx == SHN_UNDEF)
3530 sym_sec = bfd_und_section_ptr;
3531 else if (isym->st_shndx == SHN_ABS)
3532 sym_sec = bfd_abs_section_ptr;
3533 else if (isym->st_shndx == SHN_COMMON)
3534 sym_sec = bfd_com_section_ptr;
3536 sym_sec = bfd_section_from_elf_index (abfd, isym->st_shndx);
3537 symval = (isym->st_value
3538 + sym_sec->output_section->vma
3539 + sym_sec->output_offset);
3542 char * name = bfd_elf_string_from_elf_section
3543 (abfd, symtab_hdr->sh_link, isym->st_name);
3545 fprintf (stderr, "relax long jump local: sec: %s, sym: %s (%d), value: %x + %x + %x addend %x\n",
3546 sym_sec->name, name, isym->st_name,
3547 sym_sec->output_section->vma,
3548 sym_sec->output_offset,
3549 isym->st_value, irel->r_addend);
3556 struct elf_link_hash_entry * h;
3558 /* An external symbol. */
3559 indx = ELF32_R_SYM (irel->r_info) - symtab_hdr->sh_info;
3560 h = elf_sym_hashes (abfd)[indx];
3561 BFD_ASSERT (h != NULL);
3563 if ( h->root.type != bfd_link_hash_defined
3564 && h->root.type != bfd_link_hash_defweak)
3565 /* This appears to be a reference to an undefined
3566 symbol. Just ignore it--it will be caught by the
3567 regular reloc processing. */
3570 symval = (h->root.u.def.value
3571 + h->root.u.def.section->output_section->vma
3572 + h->root.u.def.section->output_offset);
3575 "relax longjump defined: sec: %s, name: %s, value: %x + %x + %x addend %x\n",
3576 sec->name, h->root.root.string, h->root.u.def.value,
3577 sec->output_section->vma, sec->output_offset, irel->r_addend);
3581 addend = irel->r_addend;
3583 foff = (symval + addend
3585 + sec->output_section->vma
3586 + sec->output_offset
3589 fprintf (stderr, "relax longjump r_offset 0x%x ptr 0x%x symbol 0x%x addend 0x%x distance 0x%x\n",
3592 + sec->output_section->vma
3593 + sec->output_offset),
3594 symval, addend, foff);
3596 if (foff < -0x100000 || foff >= 0x100000)
3597 /* After all that work, we can't shorten this function call. */
3600 /* For simplicity of coding, we are going to modify the section
3601 contents, the section relocs, and the BFD symbol table. We
3602 must tell the rest of the code not to free up this
3603 information. It would be possible to instead create a table
3604 of changes which have to be made, as is done in coff-mips.c;
3605 that would be more work, but would require less memory when
3606 the linker is run. */
3607 elf_section_data (sec)->relocs = internal_relocs;
3608 elf_section_data (sec)->this_hdr.contents = contents;
3609 symtab_hdr->contents = (bfd_byte *) isymbuf;
3611 if (foff < -0x100 || foff >= 0x100)
3613 /* Replace the long jump with a jr. */
3615 if (bfd_get_arch (abfd) == bfd_arch_v850_rh850)
3616 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info), R_V850_PCR22);
3619 ELF32_R_INFO (ELF32_R_SYM (irel->r_info), R_V850_22_PCREL);
3621 irel->r_addend = addend;
3624 if (ELF32_R_SYM (hi_irelfn->r_info) < symtab_hdr->sh_info)
3625 /* If this needs to be changed because of future relaxing,
3626 it will be handled here like other internal IND12W
3629 0x00000780 | ((addend << 15) & 0xffff0000) | ((addend >> 17) & 0xf),
3630 contents + irel->r_offset);
3632 /* We can't fully resolve this yet, because the external
3633 symbol value may be changed by future relaxing.
3634 We let the final link phase handle it. */
3635 bfd_put_32 (abfd, 0x00000780, contents + irel->r_offset);
3638 ELF32_R_INFO (ELF32_R_SYM (hi_irelfn->r_info), R_V850_NONE);
3640 ELF32_R_INFO (ELF32_R_SYM (lo_irelfn->r_info), R_V850_NONE);
3641 if (!v850_elf_relax_delete_bytes (abfd, sec,
3642 irel->r_offset + 4, toaddr, 6))
3645 align_pad_size += 6;
3649 /* Replace the long jump with a br. */
3651 if (bfd_get_arch (abfd) == bfd_arch_v850_rh850)
3652 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info), R_V850_PC9);
3655 ELF32_R_INFO (ELF32_R_SYM (irel->r_info), R_V850_9_PCREL);
3657 irel->r_addend = addend;
3660 if (ELF32_R_SYM (hi_irelfn->r_info) < symtab_hdr->sh_info)
3661 /* If this needs to be changed because of future relaxing,
3662 it will be handled here like other internal IND12W
3665 0x0585 | ((addend << 10) & 0xf800) | ((addend << 3) & 0x0070),
3666 contents + irel->r_offset);
3668 /* We can't fully resolve this yet, because the external
3669 symbol value may be changed by future relaxing.
3670 We let the final link phase handle it. */
3671 bfd_put_16 (abfd, 0x0585, contents + irel->r_offset);
3674 ELF32_R_INFO (ELF32_R_SYM (hi_irelfn->r_info), R_V850_NONE);
3676 ELF32_R_INFO (ELF32_R_SYM (lo_irelfn->r_info), R_V850_NONE);
3677 if (!v850_elf_relax_delete_bytes (abfd, sec,
3678 irel->r_offset + 2, toaddr, 8))
3681 align_pad_size += 8;
3687 for (irel = internal_relocs; irel < irelend; irel++)
3689 if (ELF32_R_TYPE (irel->r_info) == (int) R_V850_ALIGN
3690 && irel->r_offset == toaddr)
3692 irel->r_offset -= align_pad_size;
3694 if (irelalign == NULL || irelalign->r_addend > irel->r_addend)
3705 fprintf (stderr, "relax pad %d shorten %d -> %d\n",
3708 sec->size - align_pad_size);
3710 sec->size -= align_pad_size;
3714 if (internal_relocs != NULL
3715 && elf_section_data (sec)->relocs != internal_relocs)
3716 free (internal_relocs);
3718 if (contents != NULL
3719 && elf_section_data (sec)->this_hdr.contents != (unsigned char *) contents)
3723 && symtab_hdr->contents != (bfd_byte *) isymbuf)
3733 static const struct bfd_elf_special_section v850_elf_special_sections[] =
3735 { STRING_COMMA_LEN (".call_table_data"), 0, SHT_PROGBITS, (SHF_ALLOC + SHF_WRITE) },
3736 { STRING_COMMA_LEN (".call_table_text"), 0, SHT_PROGBITS, (SHF_ALLOC + SHF_WRITE
3738 { STRING_COMMA_LEN (".rosdata"), -2, SHT_PROGBITS, (SHF_ALLOC
3739 + SHF_V850_GPREL) },
3740 { STRING_COMMA_LEN (".rozdata"), -2, SHT_PROGBITS, (SHF_ALLOC
3741 + SHF_V850_R0REL) },
3742 { STRING_COMMA_LEN (".sbss"), -2, SHT_NOBITS, (SHF_ALLOC + SHF_WRITE
3743 + SHF_V850_GPREL) },
3744 { STRING_COMMA_LEN (".scommon"), -2, SHT_V850_SCOMMON, (SHF_ALLOC + SHF_WRITE
3745 + SHF_V850_GPREL) },
3746 { STRING_COMMA_LEN (".sdata"), -2, SHT_PROGBITS, (SHF_ALLOC + SHF_WRITE
3747 + SHF_V850_GPREL) },
3748 { STRING_COMMA_LEN (".tbss"), -2, SHT_NOBITS, (SHF_ALLOC + SHF_WRITE
3749 + SHF_V850_EPREL) },
3750 { STRING_COMMA_LEN (".tcommon"), -2, SHT_V850_TCOMMON, (SHF_ALLOC + SHF_WRITE
3751 + SHF_V850_R0REL) },
3752 { STRING_COMMA_LEN (".tdata"), -2, SHT_PROGBITS, (SHF_ALLOC + SHF_WRITE
3753 + SHF_V850_EPREL) },
3754 { STRING_COMMA_LEN (".zbss"), -2, SHT_NOBITS, (SHF_ALLOC + SHF_WRITE
3755 + SHF_V850_R0REL) },
3756 { STRING_COMMA_LEN (".zcommon"), -2, SHT_V850_ZCOMMON, (SHF_ALLOC + SHF_WRITE
3757 + SHF_V850_R0REL) },
3758 { STRING_COMMA_LEN (".zdata"), -2, SHT_PROGBITS, (SHF_ALLOC + SHF_WRITE
3759 + SHF_V850_R0REL) },
3760 { NULL, 0, 0, 0, 0 }
3763 #define TARGET_LITTLE_SYM bfd_elf32_v850_vec
3764 #define TARGET_LITTLE_NAME "elf32-v850"
3765 #define ELF_ARCH bfd_arch_v850
3766 #define ELF_MACHINE_CODE EM_V850
3767 #define ELF_MACHINE_ALT1 EM_CYGNUS_V850
3768 #define ELF_MAXPAGESIZE 0x1000
3770 #define elf_info_to_howto v850_elf_info_to_howto_rela
3771 #define elf_info_to_howto_rel v850_elf_info_to_howto_rel
3773 #define elf_backend_check_relocs v850_elf_check_relocs
3774 #define elf_backend_relocate_section v850_elf_relocate_section
3775 #define elf_backend_object_p v850_elf_object_p
3776 #define elf_backend_final_write_processing v850_elf_final_write_processing
3777 #define elf_backend_section_from_bfd_section v850_elf_section_from_bfd_section
3778 #define elf_backend_symbol_processing v850_elf_symbol_processing
3779 #define elf_backend_add_symbol_hook v850_elf_add_symbol_hook
3780 #define elf_backend_link_output_symbol_hook v850_elf_link_output_symbol_hook
3781 #define elf_backend_section_from_shdr v850_elf_section_from_shdr
3782 #define elf_backend_fake_sections v850_elf_fake_sections
3783 #define elf_backend_gc_mark_hook v850_elf_gc_mark_hook
3784 #define elf_backend_special_sections v850_elf_special_sections
3786 #define elf_backend_can_gc_sections 1
3787 #define elf_backend_rela_normal 1
3789 #define bfd_elf32_bfd_is_local_label_name v850_elf_is_local_label_name
3790 #define bfd_elf32_bfd_reloc_type_lookup v850_elf_reloc_type_lookup
3791 #define bfd_elf32_bfd_reloc_name_lookup v850_elf_reloc_name_lookup
3792 #define bfd_elf32_bfd_merge_private_bfd_data v850_elf_merge_private_bfd_data
3793 #define bfd_elf32_bfd_set_private_flags v850_elf_set_private_flags
3794 #define bfd_elf32_bfd_print_private_bfd_data v850_elf_print_private_bfd_data
3795 #define bfd_elf32_bfd_relax_section v850_elf_relax_section
3797 #define elf_symbol_leading_char '_'
3800 #define elf32_bed elf32_v850_bed
3802 #include "elf32-target.h"
3804 /* Map BFD reloc types to V800 ELF reloc types. */
3806 static const struct v850_elf_reloc_map v800_elf_reloc_map[] =
3808 { BFD_RELOC_NONE, R_V810_NONE },
3809 { BFD_RELOC_8, R_V810_BYTE },
3810 { BFD_RELOC_16, R_V810_HWORD },
3811 { BFD_RELOC_32, R_V810_WORD },
3812 { BFD_RELOC_LO16, R_V810_WLO },
3813 { BFD_RELOC_HI16, R_V810_WHI },
3814 { BFD_RELOC_HI16_S, R_V810_WHI1 },
3815 { BFD_RELOC_V850_32_PCREL, R_V850_PC32 },
3816 { BFD_RELOC_V850_22_PCREL, R_V850_PCR22 },
3817 { BFD_RELOC_V850_17_PCREL, R_V850_PC17 },
3818 { BFD_RELOC_V850_16_PCREL, R_V850_PC16U },
3819 { BFD_RELOC_V850_9_PCREL, R_V850_PC9 },
3820 { BFD_RELOC_V850_LO16_S1, R_V810_WLO_1 }, /* Or R_V850_HWLO or R_V850_HWLO_1. */
3821 { BFD_RELOC_V850_23, R_V850_WLO23 },
3822 { BFD_RELOC_V850_LO16_SPLIT_OFFSET, R_V850_BLO },
3823 { BFD_RELOC_V850_ZDA_16_16_OFFSET, R_V810_HWORD },
3824 { BFD_RELOC_V850_TDA_16_16_OFFSET, R_V810_HWORD },
3825 { BFD_RELOC_V850_SDA_16_16_OFFSET, R_V810_HWORD },
3826 { BFD_RELOC_V850_SDA_15_16_OFFSET, R_V810_GPWLO_1 }
3829 /* Map a bfd relocation into the appropriate howto structure. */
3831 static reloc_howto_type *
3832 v800_elf_reloc_type_lookup (bfd * abfd, bfd_reloc_code_real_type code)
3836 BFD_ASSERT (bfd_get_arch (abfd) == bfd_arch_v850_rh850);
3838 for (i = ARRAY_SIZE (v800_elf_reloc_map); i --;)
3839 if (v800_elf_reloc_map[i].bfd_reloc_val == code)
3841 unsigned int elf_reloc_val = v800_elf_reloc_map[i].elf_reloc_val;
3842 unsigned int idx = elf_reloc_val - R_V810_NONE;
3844 BFD_ASSERT (v800_elf_howto_table[idx].type == elf_reloc_val);
3846 return v800_elf_howto_table + idx;
3850 fprintf (stderr, "failed to find v800 equiv of bfd reloc code %d\n", code);
3855 static reloc_howto_type *
3856 v800_elf_reloc_name_lookup (bfd * abfd, const char * r_name)
3860 BFD_ASSERT (bfd_get_arch (abfd) == bfd_arch_v850_rh850);
3862 for (i = ARRAY_SIZE (v800_elf_howto_table); i--;)
3863 if (v800_elf_howto_table[i].name != NULL
3864 && strcasecmp (v800_elf_howto_table[i].name, r_name) == 0)
3865 return v800_elf_howto_table + i;
3871 /* Set the howto pointer in CACHE_PTR for a V800 ELF reloc. */
3874 v800_elf_info_to_howto (bfd * abfd,
3875 arelent * cache_ptr,
3876 Elf_Internal_Rela * dst)
3878 unsigned int r_type = ELF32_R_TYPE (dst->r_info);
3880 BFD_ASSERT (bfd_get_arch (abfd) == bfd_arch_v850_rh850);
3882 BFD_ASSERT (r_type < (unsigned int) R_V800_max);
3884 if (r_type == R_V800_NONE)
3885 r_type = R_V810_NONE;
3887 BFD_ASSERT (r_type >= (unsigned int) R_V810_NONE);
3888 r_type -= R_V810_NONE;
3889 BFD_ASSERT (r_type < ARRAY_SIZE (v800_elf_howto_table));
3891 cache_ptr->howto = v800_elf_howto_table + r_type;
3895 #undef TARGET_LITTLE_SYM
3896 #define TARGET_LITTLE_SYM bfd_elf32_v850_rh850_vec
3897 #undef TARGET_LITTLE_NAME
3898 #define TARGET_LITTLE_NAME "elf32-v850-rh850"
3900 #define ELF_ARCH bfd_arch_v850_rh850
3901 #undef ELF_MACHINE_CODE
3902 #define ELF_MACHINE_CODE EM_V800
3903 #undef ELF_MACHINE_ALT1
3906 #define elf32_bed elf32_v850_rh850_bed
3908 #undef elf_info_to_howto
3909 #define elf_info_to_howto v800_elf_info_to_howto
3910 #undef elf_info_to_howto_rel
3911 #define elf_info_to_howto_rel NULL
3912 #undef bfd_elf32_bfd_reloc_type_lookup
3913 #define bfd_elf32_bfd_reloc_type_lookup v800_elf_reloc_type_lookup
3914 #undef bfd_elf32_bfd_reloc_name_lookup
3915 #define bfd_elf32_bfd_reloc_name_lookup v800_elf_reloc_name_lookup
3917 #include "elf32-target.h"
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