1 /* V850-specific support for 32-bit ELF
2 Copyright (C) 1996-2016 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 (bfd_link_relocatable (info))
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;
87 /* PR15323, ref flags aren't set for references in the same
89 h->root.non_ir_ref = 1;
92 r_type = ELF32_R_TYPE (rel->r_info);
98 /* This relocation describes the C++ object vtable hierarchy.
99 Reconstruct it for later use during GC. */
100 case R_V850_GNU_VTINHERIT:
101 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
105 /* This relocation describes which C++ vtable entries
106 are actually used. Record for later use during GC. */
107 case R_V850_GNU_VTENTRY:
108 BFD_ASSERT (h != NULL);
110 && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
114 case R_V850_SDA_16_16_SPLIT_OFFSET:
115 case R_V850_SDA_16_16_OFFSET:
116 case R_V850_SDA_15_16_OFFSET:
120 other = V850_OTHER_SDA;
122 goto small_data_common;
124 case R_V850_ZDA_16_16_SPLIT_OFFSET:
125 case R_V850_ZDA_16_16_OFFSET:
126 case R_V850_ZDA_15_16_OFFSET:
127 other = V850_OTHER_ZDA;
129 goto small_data_common;
131 case R_V850_TDA_4_4_OFFSET:
132 case R_V850_TDA_4_5_OFFSET:
133 case R_V850_TDA_7_7_OFFSET:
134 case R_V850_TDA_6_8_OFFSET:
135 case R_V850_TDA_7_8_OFFSET:
136 case R_V850_TDA_16_16_OFFSET:
137 other = V850_OTHER_TDA;
141 #define V850_OTHER_MASK (V850_OTHER_TDA | V850_OTHER_SDA | V850_OTHER_ZDA)
146 /* Flag which type of relocation was used. */
148 if ((h->other & V850_OTHER_MASK) != (other & V850_OTHER_MASK)
149 && (h->other & V850_OTHER_ERROR) == 0)
152 static char buff[200]; /* XXX */
154 switch (h->other & V850_OTHER_MASK)
157 msg = _("Variable `%s' cannot occupy in multiple small data regions");
159 case V850_OTHER_SDA | V850_OTHER_ZDA | V850_OTHER_TDA:
160 msg = _("Variable `%s' can only be in one of the small, zero, and tiny data regions");
162 case V850_OTHER_SDA | V850_OTHER_ZDA:
163 msg = _("Variable `%s' cannot be in both small and zero data regions simultaneously");
165 case V850_OTHER_SDA | V850_OTHER_TDA:
166 msg = _("Variable `%s' cannot be in both small and tiny data regions simultaneously");
168 case V850_OTHER_ZDA | V850_OTHER_TDA:
169 msg = _("Variable `%s' cannot be in both zero and tiny data regions simultaneously");
173 sprintf (buff, msg, h->root.root.string);
174 info->callbacks->warning (info, buff, h->root.root.string,
175 abfd, h->root.u.def.section,
178 bfd_set_error (bfd_error_bad_value);
179 h->other |= V850_OTHER_ERROR;
184 if (h && h->root.type == bfd_link_hash_common
186 && !strcmp (bfd_get_section_name (abfd, h->root.u.c.p->section), "COMMON"))
190 section = h->root.u.c.p->section = bfd_make_section_old_way (abfd, common);
191 section->flags |= SEC_IS_COMMON;
195 fprintf (stderr, "v850_elf_check_relocs, found %s relocation for %s%s\n",
196 v850_elf_howto_table[ (int)r_type ].name,
197 (h && h->root.root.string) ? h->root.root.string : "<unknown>",
198 (h->root.type == bfd_link_hash_common) ? ", symbol is common" : "");
207 /* In the old version, when an entry was checked out from the table,
208 it was deleted. This produced an error if the entry was needed
209 more than once, as the second attempted retry failed.
211 In the current version, the entry is not deleted, instead we set
212 the field 'found' to TRUE. If a second lookup matches the same
213 entry, then we know that the hi16s reloc has already been updated
214 and does not need to be updated a second time.
216 TODO - TOFIX: If it is possible that we need to restore 2 different
217 addresses from the same table entry, where the first generates an
218 overflow, whilst the second do not, then this code will fail. */
220 typedef struct hi16s_location
224 unsigned long counter;
226 struct hi16s_location * next;
230 static hi16s_location * previous_hi16s;
231 static hi16s_location * free_hi16s;
232 static unsigned long hi16s_counter;
235 remember_hi16s_reloc (bfd *abfd, bfd_vma addend, bfd_byte *address)
237 hi16s_location * entry = NULL;
238 bfd_size_type amt = sizeof (* free_hi16s);
240 /* Find a free structure. */
241 if (free_hi16s == NULL)
242 free_hi16s = bfd_zalloc (abfd, amt);
245 free_hi16s = free_hi16s->next;
247 entry->addend = addend;
248 entry->address = address;
249 entry->counter = hi16s_counter ++;
250 entry->found = FALSE;
251 entry->next = previous_hi16s;
252 previous_hi16s = entry;
254 /* Cope with wrap around of our counter. */
255 if (hi16s_counter == 0)
257 /* XXX: Assume that all counter entries differ only in their low 16 bits. */
258 for (entry = previous_hi16s; entry != NULL; entry = entry->next)
259 entry->counter &= 0xffff;
261 hi16s_counter = 0x10000;
266 find_remembered_hi16s_reloc (bfd_vma addend, bfd_boolean *already_found)
268 hi16s_location *match = NULL;
269 hi16s_location *entry;
272 /* Search the table. Record the most recent entry that matches. */
273 for (entry = previous_hi16s; entry; entry = entry->next)
275 if (entry->addend == addend
276 && (match == NULL || match->counter < entry->counter))
285 /* Extract the address. */
286 addr = match->address;
288 /* Remember if this entry has already been used before. */
290 * already_found = match->found;
292 /* Note that this entry has now been used. */
298 /* Calculate the final operand value for a R_V850_LO16 or
299 R_V850_LO16_SPLIT_OFFSET. *INSN is the current operand value and
300 ADDEND is the sum of the relocation symbol and offset. Store the
301 operand value in *INSN and return true on success.
303 The assembler has already done some of this: If the value stored in
304 the instruction has its 15th bit set, (counting from zero) then the
305 assembler will have added 1 to the value stored in the associated
306 HI16S reloc. So for example, these relocations:
308 movhi hi( fred ), r0, r1
309 movea lo( fred ), r1, r1
311 will store 0 in the value fields for the MOVHI and MOVEA instructions
312 and addend will be the address of fred, but for these instructions:
314 movhi hi( fred + 0x123456 ), r0, r1
315 movea lo( fred + 0x123456 ), r1, r1
317 the value stored in the MOVHI instruction will be 0x12 and the value
318 stored in the MOVEA instruction will be 0x3456. If however the
321 movhi hi( fred + 0x10ffff ), r0, r1
322 movea lo( fred + 0x10ffff ), r1, r1
324 then the value stored in the MOVHI instruction would be 0x11 (not
325 0x10) and the value stored in the MOVEA instruction would be 0xffff.
326 Thus (assuming for the moment that the addend is 0), at run time the
327 MOVHI instruction loads 0x110000 into r1, then the MOVEA instruction
328 adds 0xffffffff (sign extension!) producing 0x10ffff. Similarly if
329 the instructions were:
331 movhi hi( fred - 1 ), r0, r1
332 movea lo( fred - 1 ), r1, r1
334 then 0 is stored in the MOVHI instruction and -1 is stored in the
337 Overflow can occur if the addition of the value stored in the
338 instruction plus the addend sets the 15th bit when before it was clear.
339 This is because the 15th bit will be sign extended into the high part,
340 thus reducing its value by one, but since the 15th bit was originally
341 clear, the assembler will not have added 1 to the previous HI16S reloc
342 to compensate for this effect. For example:
344 movhi hi( fred + 0x123456 ), r0, r1
345 movea lo( fred + 0x123456 ), r1, r1
347 The value stored in HI16S reloc is 0x12, the value stored in the LO16
348 reloc is 0x3456. If we assume that the address of fred is 0x00007000
349 then the relocations become:
351 HI16S: 0x0012 + (0x00007000 >> 16) = 0x12
352 LO16: 0x3456 + (0x00007000 & 0xffff) = 0xa456
354 but when the instructions are executed, the MOVEA instruction's value
355 is signed extended, so the sum becomes:
360 0x0011a456 but 'fred + 0x123456' = 0x0012a456
362 Note that if the 15th bit was set in the value stored in the LO16
363 reloc, then we do not have to do anything:
365 movhi hi( fred + 0x10ffff ), r0, r1
366 movea lo( fred + 0x10ffff ), r1, r1
368 HI16S: 0x0011 + (0x00007000 >> 16) = 0x11
369 LO16: 0xffff + (0x00007000 & 0xffff) = 0x6fff
374 0x00116fff = fred + 0x10ffff = 0x7000 + 0x10ffff
376 Overflow can also occur if the computation carries into the 16th bit
377 and it also results in the 15th bit having the same value as the 15th
378 bit of the original value. What happens is that the HI16S reloc
379 will have already examined the 15th bit of the original value and
380 added 1 to the high part if the bit is set. This compensates for the
381 sign extension of 15th bit of the result of the computation. But now
382 there is a carry into the 16th bit, and this has not been allowed for.
384 So, for example if fred is at address 0xf000:
386 movhi hi( fred + 0xffff ), r0, r1 [bit 15 of the offset is set]
387 movea lo( fred + 0xffff ), r1, r1
389 HI16S: 0x0001 + (0x0000f000 >> 16) = 0x0001
390 LO16: 0xffff + (0x0000f000 & 0xffff) = 0xefff (carry into bit 16 is lost)
395 0x0000efff but 'fred + 0xffff' = 0x0001efff
397 Similarly, if the 15th bit remains clear, but overflow occurs into
398 the 16th bit then (assuming the address of fred is 0xf000):
400 movhi hi( fred + 0x7000 ), r0, r1 [bit 15 of the offset is clear]
401 movea lo( fred + 0x7000 ), r1, r1
403 HI16S: 0x0000 + (0x0000f000 >> 16) = 0x0000
404 LO16: 0x7000 + (0x0000f000 & 0xffff) = 0x6fff (carry into bit 16 is lost)
409 0x00006fff but 'fred + 0x7000' = 0x00016fff
411 Note - there is no need to change anything if a carry occurs, and the
412 15th bit changes its value from being set to being clear, as the HI16S
413 reloc will have already added in 1 to the high part for us:
415 movhi hi( fred + 0xffff ), r0, r1 [bit 15 of the offset is set]
416 movea lo( fred + 0xffff ), r1, r1
418 HI16S: 0x0001 + (0x00007000 >> 16)
419 LO16: 0xffff + (0x00007000 & 0xffff) = 0x6fff (carry into bit 16 is lost)
422 + 0x00006fff (bit 15 not set, so the top half is zero)
424 0x00016fff which is right (assuming that fred is at 0x7000)
426 but if the 15th bit goes from being clear to being set, then we must
427 once again handle overflow:
429 movhi hi( fred + 0x7000 ), r0, r1 [bit 15 of the offset is clear]
430 movea lo( fred + 0x7000 ), r1, r1
432 HI16S: 0x0000 + (0x0000ffff >> 16)
433 LO16: 0x7000 + (0x0000ffff & 0xffff) = 0x6fff (carry into bit 16)
436 + 0x00006fff (bit 15 not set, so the top half is zero)
438 0x00006fff which is wrong (assuming that fred is at 0xffff). */
441 v850_elf_perform_lo16_relocation (bfd *abfd, unsigned long *insn,
442 unsigned long addend)
444 #define BIT15_SET(x) ((x) & 0x8000)
445 #define OVERFLOWS(a,i) ((((a) & 0xffff) + (i)) > 0xffff)
447 if ((BIT15_SET (*insn + addend) && ! BIT15_SET (addend))
448 || (OVERFLOWS (addend, *insn)
449 && ((! BIT15_SET (*insn)) || (BIT15_SET (addend)))))
451 bfd_boolean already_updated;
452 bfd_byte *hi16s_address = find_remembered_hi16s_reloc
453 (addend, & already_updated);
455 /* Amend the matching HI16_S relocation. */
456 if (hi16s_address != NULL)
458 if (! already_updated)
460 unsigned long hi_insn = bfd_get_16 (abfd, hi16s_address);
462 bfd_put_16 (abfd, hi_insn, hi16s_address);
467 (*_bfd_error_handler) (_("FAILED to find previous HI16 reloc"));
474 /* Do not complain if value has top bit set, as this has been
476 *insn = (*insn + addend) & 0xffff;
480 /* FIXME: The code here probably ought to be removed and the code in reloc.c
481 allowed to do its stuff instead. At least for most of the relocs, anyway. */
483 static bfd_reloc_status_type
484 v850_elf_perform_relocation (bfd *abfd,
490 unsigned long result;
491 bfd_signed_vma saddend = (bfd_signed_vma) addend;
497 fprintf (stderr, "%B: reloc number %d not recognised\n", abfd, r_type);
499 return bfd_reloc_notsupported;
505 bfd_put_32 (abfd, addend, address);
510 insn = bfd_get_32 (abfd, address);
511 insn &= ~((0x7f << 4) | (0x7fff80 << (16-7)));
512 insn |= ((addend & 0x7f) << 4) | ((addend & 0x7fff80) << (16-7));
513 bfd_put_32 (abfd, (bfd_vma) insn, address);
517 case R_V850_22_PCREL:
518 if (saddend > 0x1fffff || saddend < -0x200000)
519 return bfd_reloc_overflow;
521 if ((addend % 2) != 0)
522 return bfd_reloc_dangerous;
524 insn = bfd_get_32 (abfd, address);
526 insn |= (((addend & 0xfffe) << 16) | ((addend & 0x3f0000) >> 16));
527 bfd_put_32 (abfd, (bfd_vma) insn, address);
531 case R_V850_17_PCREL:
532 if (saddend > 0xffff || saddend < -0x10000)
533 return bfd_reloc_overflow;
535 if ((addend % 2) != 0)
536 return bfd_reloc_dangerous;
538 insn = bfd_get_32 (abfd, address);
539 insn &= ~ 0xfffe0010;
540 insn |= ((addend & 0xfffe) << 16) | ((addend & 0x10000) >> (16-4));
544 case R_V850_16_PCREL:
545 if ((saddend < -0xffff) || (saddend > 0))
546 return bfd_reloc_overflow;
548 if ((addend % 2) != 0)
549 return bfd_reloc_dangerous;
551 insn = bfd_get_16 (abfd, address);
553 insn |= (-addend & 0xfffe);
558 if (saddend > 0xff || saddend < -0x100)
559 return bfd_reloc_overflow;
561 if ((addend % 2) != 0)
562 return bfd_reloc_dangerous;
564 insn = bfd_get_16 (abfd, address);
566 insn |= ((addend & 0x1f0) << 7) | ((addend & 0x0e) << 3);
571 addend += (bfd_get_16 (abfd, address) << 16);
572 addend = (addend >> 16);
578 /* Remember where this relocation took place. */
579 remember_hi16s_reloc (abfd, addend, address);
581 addend += (bfd_get_16 (abfd, address) << 16);
582 addend = (addend >> 16) + ((addend & 0x8000) != 0);
584 /* This relocation cannot overflow. */
593 insn = bfd_get_16 (abfd, address);
594 if (! v850_elf_perform_lo16_relocation (abfd, &insn, addend))
595 return bfd_reloc_overflow;
600 addend += (char) bfd_get_8 (abfd, address);
602 saddend = (bfd_signed_vma) addend;
604 if (saddend > 0x7f || saddend < -0x80)
605 return bfd_reloc_overflow;
607 bfd_put_8 (abfd, addend, address);
610 case R_V850_CALLT_16_16_OFFSET:
611 addend += bfd_get_16 (abfd, address);
613 saddend = (bfd_signed_vma) addend;
615 if (saddend > 0xffff || saddend < 0)
616 return bfd_reloc_overflow;
621 case R_V850_CALLT_15_16_OFFSET:
622 insn = bfd_get_16 (abfd, address);
624 addend += insn & 0xfffe;
626 saddend = (bfd_signed_vma) addend;
628 if (saddend > 0xffff || saddend < 0)
629 return bfd_reloc_overflow;
631 insn = (0xfffe & addend)
635 case R_V850_CALLT_6_7_OFFSET:
636 insn = bfd_get_16 (abfd, address);
637 addend += ((insn & 0x3f) << 1);
639 saddend = (bfd_signed_vma) addend;
641 if (saddend > 0x7e || saddend < 0)
642 return bfd_reloc_overflow;
645 return bfd_reloc_dangerous;
648 insn |= (addend >> 1);
653 case R_V850_SDA_16_16_OFFSET:
654 case R_V850_ZDA_16_16_OFFSET:
655 case R_V850_TDA_16_16_OFFSET:
656 addend += bfd_get_16 (abfd, address);
658 saddend = (bfd_signed_vma) addend;
660 if (saddend > 0x7fff || saddend < -0x8000)
661 return bfd_reloc_overflow;
667 case R_V850_SDA_15_16_OFFSET:
668 case R_V850_ZDA_15_16_OFFSET:
670 insn = bfd_get_16 (abfd, address);
671 addend += (insn & 0xfffe);
673 saddend = (bfd_signed_vma) addend;
675 if (saddend > 0x7ffe || saddend < -0x8000)
676 return bfd_reloc_overflow;
679 return bfd_reloc_dangerous;
681 insn = (addend &~ (bfd_vma) 1) | (insn & 1);
684 case R_V850_TDA_6_8_OFFSET:
685 insn = bfd_get_16 (abfd, address);
686 addend += ((insn & 0x7e) << 1);
688 saddend = (bfd_signed_vma) addend;
690 if (saddend > 0xfc || saddend < 0)
691 return bfd_reloc_overflow;
694 return bfd_reloc_dangerous;
697 insn |= (addend >> 1);
700 case R_V850_TDA_7_8_OFFSET:
701 insn = bfd_get_16 (abfd, address);
702 addend += ((insn & 0x7f) << 1);
704 saddend = (bfd_signed_vma) addend;
706 if (saddend > 0xfe || saddend < 0)
707 return bfd_reloc_overflow;
710 return bfd_reloc_dangerous;
713 insn |= (addend >> 1);
716 case R_V850_TDA_7_7_OFFSET:
717 insn = bfd_get_16 (abfd, address);
718 addend += insn & 0x7f;
720 saddend = (bfd_signed_vma) addend;
722 if (saddend > 0x7f || saddend < 0)
723 return bfd_reloc_overflow;
729 case R_V850_TDA_4_5_OFFSET:
730 insn = bfd_get_16 (abfd, address);
731 addend += ((insn & 0xf) << 1);
733 saddend = (bfd_signed_vma) addend;
735 if (saddend > 0x1e || saddend < 0)
736 return bfd_reloc_overflow;
739 return bfd_reloc_dangerous;
742 insn |= (addend >> 1);
745 case R_V850_TDA_4_4_OFFSET:
746 insn = bfd_get_16 (abfd, address);
747 addend += insn & 0xf;
749 saddend = (bfd_signed_vma) addend;
751 if (saddend > 0xf || saddend < 0)
752 return bfd_reloc_overflow;
762 insn = bfd_get_16 (abfd, address);
763 result = insn & 0xfffe;
764 if (! v850_elf_perform_lo16_relocation (abfd, &result, addend))
765 return bfd_reloc_overflow;
767 return bfd_reloc_overflow;
768 insn = (result & 0xfffe)
770 bfd_put_16 (abfd, insn, address);
774 case R_V850_LO16_SPLIT_OFFSET:
775 insn = bfd_get_32 (abfd, address);
776 result = ((insn & 0xfffe0000) >> 16) | ((insn & 0x20) >> 5);
777 if (! v850_elf_perform_lo16_relocation (abfd, &result, addend))
778 return bfd_reloc_overflow;
779 insn = (((result << 16) & 0xfffe0000)
780 | ((result << 5) & 0x20)
781 | (insn & ~0xfffe0020));
782 bfd_put_32 (abfd, insn, address);
785 case R_V850_16_SPLIT_OFFSET:
786 case R_V850_SDA_16_16_SPLIT_OFFSET:
787 case R_V850_ZDA_16_16_SPLIT_OFFSET:
788 insn = bfd_get_32 (abfd, address);
789 addend += ((insn & 0xfffe0000) >> 16) + ((insn & 0x20) >> 5);
791 saddend = (bfd_signed_vma) addend;
793 if (saddend > 0x7fff || saddend < -0x8000)
794 return bfd_reloc_overflow;
797 insn |= (addend & 1) << 5;
798 insn |= (addend &~ (bfd_vma) 1) << 16;
800 bfd_put_32 (abfd, (bfd_vma) insn, address);
803 case R_V850_GNU_VTINHERIT:
804 case R_V850_GNU_VTENTRY:
809 bfd_put_16 (abfd, (bfd_vma) insn, address);
813 /* Insert the addend into the instruction. */
815 static bfd_reloc_status_type
816 v850_elf_reloc (bfd *abfd ATTRIBUTE_UNUSED,
819 void * data ATTRIBUTE_UNUSED,
822 char **err ATTRIBUTE_UNUSED)
826 /* If there is an output BFD,
827 and the symbol is not a section name (which is only defined at final link time),
828 and either we are not putting the addend into the instruction
829 or the addend is zero, so there is nothing to add into the instruction
830 then just fixup the address and return. */
832 && (symbol->flags & BSF_SECTION_SYM) == 0
833 && (! reloc->howto->partial_inplace
834 || reloc->addend == 0))
836 reloc->address += isection->output_offset;
840 /* Catch relocs involving undefined symbols. */
841 if (bfd_is_und_section (symbol->section)
842 && (symbol->flags & BSF_WEAK) == 0
844 return bfd_reloc_undefined;
846 /* We handle final linking of some relocs ourselves. */
848 /* Is the address of the relocation really within the section? */
849 if (reloc->address > bfd_get_section_limit (abfd, isection))
850 return bfd_reloc_outofrange;
852 /* Work out which section the relocation is targeted at and the
853 initial relocation command value. */
855 if (reloc->howto->pc_relative)
858 /* Get symbol value. (Common symbols are special.) */
859 if (bfd_is_com_section (symbol->section))
862 relocation = symbol->value;
864 /* Convert input-section-relative symbol value to absolute + addend. */
865 relocation += symbol->section->output_section->vma;
866 relocation += symbol->section->output_offset;
867 relocation += reloc->addend;
869 reloc->addend = relocation;
873 /* This function is used for relocs which are only used
874 for relaxing, which the linker should otherwise ignore. */
876 static bfd_reloc_status_type
877 v850_elf_ignore_reloc (bfd *abfd ATTRIBUTE_UNUSED,
878 arelent *reloc_entry,
879 asymbol *symbol ATTRIBUTE_UNUSED,
880 void * data ATTRIBUTE_UNUSED,
881 asection *input_section,
883 char **error_message ATTRIBUTE_UNUSED)
885 if (output_bfd != NULL)
886 reloc_entry->address += input_section->output_offset;
890 /* Note: It is REQUIRED that the 'type' value of each entry
891 in this array match the index of the entry in the array.
892 SeeAlso: RELOC_NUBMER in include/elf/v850.h. */
893 static reloc_howto_type v850_elf_howto_table[] =
895 /* This reloc does nothing. */
896 HOWTO (R_V850_NONE, /* Type. */
898 3, /* Size (0 = byte, 1 = short, 2 = long). */
900 FALSE, /* PC_relative. */
902 complain_overflow_dont, /* Complain_on_overflow. */
903 bfd_elf_generic_reloc, /* Special_function. */
904 "R_V850_NONE", /* Name. */
905 FALSE, /* Partial_inplace. */
908 FALSE), /* PCrel_offset. */
910 /* A PC relative 9 bit branch. */
911 HOWTO (R_V850_9_PCREL, /* Type. */
913 1, /* Size (0 = byte, 1 = short, 2 = long). */
915 TRUE, /* PC_relative. */
917 complain_overflow_bitfield, /* Complain_on_overflow. */
918 v850_elf_reloc, /* Special_function. */
919 "R_V850_9_PCREL", /* Name. */
920 FALSE, /* Partial_inplace. */
921 0x00ffffff, /* Src_mask. */
922 0x00ffffff, /* Dst_mask. */
923 TRUE), /* PCrel_offset. */
925 /* A PC relative 22 bit branch. */
926 HOWTO (R_V850_22_PCREL, /* Type. */
928 2, /* Size (0 = byte, 1 = short, 2 = long). */
930 TRUE, /* PC_relative. */
932 complain_overflow_signed, /* Complain_on_overflow. */
933 v850_elf_reloc, /* Special_function. */
934 "R_V850_22_PCREL", /* Name. */
935 FALSE, /* Partial_inplace. */
936 0x07ffff80, /* Src_mask. */
937 0x07ffff80, /* Dst_mask. */
938 TRUE), /* PCrel_offset. */
940 /* High 16 bits of symbol value. */
941 HOWTO (R_V850_HI16_S, /* Type. */
943 1, /* Size (0 = byte, 1 = short, 2 = long). */
945 FALSE, /* PC_relative. */
947 complain_overflow_dont, /* Complain_on_overflow. */
948 v850_elf_reloc, /* Special_function. */
949 "R_V850_HI16_S", /* Name. */
950 FALSE, /* Partial_inplace. */
951 0xffff, /* Src_mask. */
952 0xffff, /* Dst_mask. */
953 FALSE), /* PCrel_offset. */
955 /* High 16 bits of symbol value. */
956 HOWTO (R_V850_HI16, /* Type. */
958 1, /* Size (0 = byte, 1 = short, 2 = long). */
960 FALSE, /* PC_relative. */
962 complain_overflow_dont, /* Complain_on_overflow. */
963 v850_elf_reloc, /* Special_function. */
964 "R_V850_HI16", /* Name. */
965 FALSE, /* Partial_inplace. */
966 0xffff, /* Src_mask. */
967 0xffff, /* Dst_mask. */
968 FALSE), /* PCrel_offset. */
970 /* Low 16 bits of symbol value. */
971 HOWTO (R_V850_LO16, /* Type. */
973 1, /* Size (0 = byte, 1 = short, 2 = long). */
975 FALSE, /* PC_relative. */
977 complain_overflow_dont, /* Complain_on_overflow. */
978 v850_elf_reloc, /* Special_function. */
979 "R_V850_LO16", /* Name. */
980 FALSE, /* Partial_inplace. */
981 0xffff, /* Src_mask. */
982 0xffff, /* Dst_mask. */
983 FALSE), /* PCrel_offset. */
985 /* Simple 32bit reloc. */
986 HOWTO (R_V850_ABS32, /* Type. */
988 2, /* Size (0 = byte, 1 = short, 2 = long). */
990 FALSE, /* PC_relative. */
992 complain_overflow_dont, /* Complain_on_overflow. */
993 v850_elf_reloc, /* Special_function. */
994 "R_V850_ABS32", /* Name. */
995 FALSE, /* Partial_inplace. */
996 0xffffffff, /* Src_mask. */
997 0xffffffff, /* Dst_mask. */
998 FALSE), /* PCrel_offset. */
1000 /* Simple 16bit reloc. */
1001 HOWTO (R_V850_16, /* Type. */
1002 0, /* Rightshift. */
1003 1, /* Size (0 = byte, 1 = short, 2 = long). */
1005 FALSE, /* PC_relative. */
1007 complain_overflow_dont, /* Complain_on_overflow. */
1008 bfd_elf_generic_reloc, /* Special_function. */
1009 "R_V850_16", /* Name. */
1010 FALSE, /* Partial_inplace. */
1011 0xffff, /* Src_mask. */
1012 0xffff, /* Dst_mask. */
1013 FALSE), /* PCrel_offset. */
1015 /* Simple 8bit reloc. */
1016 HOWTO (R_V850_8, /* Type. */
1017 0, /* Rightshift. */
1018 0, /* Size (0 = byte, 1 = short, 2 = long). */
1020 FALSE, /* PC_relative. */
1022 complain_overflow_dont, /* Complain_on_overflow. */
1023 bfd_elf_generic_reloc, /* Special_function. */
1024 "R_V850_8", /* Name. */
1025 FALSE, /* Partial_inplace. */
1026 0xff, /* Src_mask. */
1027 0xff, /* Dst_mask. */
1028 FALSE), /* PCrel_offset. */
1030 /* 16 bit offset from the short data area pointer. */
1031 HOWTO (R_V850_SDA_16_16_OFFSET, /* Type. */
1032 0, /* Rightshift. */
1033 1, /* Size (0 = byte, 1 = short, 2 = long). */
1035 FALSE, /* PC_relative. */
1037 complain_overflow_dont, /* Complain_on_overflow. */
1038 v850_elf_reloc, /* Special_function. */
1039 "R_V850_SDA_16_16_OFFSET", /* Name. */
1040 FALSE, /* Partial_inplace. */
1041 0xffff, /* Src_mask. */
1042 0xffff, /* Dst_mask. */
1043 FALSE), /* PCrel_offset. */
1045 /* 15 bit offset from the short data area pointer. */
1046 HOWTO (R_V850_SDA_15_16_OFFSET, /* Type. */
1047 1, /* Rightshift. */
1048 1, /* Size (0 = byte, 1 = short, 2 = long). */
1050 FALSE, /* PC_relative. */
1052 complain_overflow_dont, /* Complain_on_overflow. */
1053 v850_elf_reloc, /* Special_function. */
1054 "R_V850_SDA_15_16_OFFSET", /* Name. */
1055 FALSE, /* Partial_inplace. */
1056 0xfffe, /* Src_mask. */
1057 0xfffe, /* Dst_mask. */
1058 FALSE), /* PCrel_offset. */
1060 /* 16 bit offset from the zero data area pointer. */
1061 HOWTO (R_V850_ZDA_16_16_OFFSET, /* Type. */
1062 0, /* Rightshift. */
1063 1, /* Size (0 = byte, 1 = short, 2 = long). */
1065 FALSE, /* PC_relative. */
1067 complain_overflow_dont, /* Complain_on_overflow. */
1068 v850_elf_reloc, /* Special_function. */
1069 "R_V850_ZDA_16_16_OFFSET", /* Name. */
1070 FALSE, /* Partial_inplace. */
1071 0xffff, /* Src_mask. */
1072 0xffff, /* Dst_mask. */
1073 FALSE), /* PCrel_offset. */
1075 /* 15 bit offset from the zero data area pointer. */
1076 HOWTO (R_V850_ZDA_15_16_OFFSET, /* Type. */
1077 1, /* Rightshift. */
1078 1, /* Size (0 = byte, 1 = short, 2 = long). */
1080 FALSE, /* PC_relative. */
1082 complain_overflow_dont, /* Complain_on_overflow. */
1083 v850_elf_reloc, /* Special_function. */
1084 "R_V850_ZDA_15_16_OFFSET", /* Name. */
1085 FALSE, /* Partial_inplace. */
1086 0xfffe, /* Src_mask. */
1087 0xfffe, /* Dst_mask. */
1088 FALSE), /* PCrel_offset. */
1090 /* 6 bit offset from the tiny data area pointer. */
1091 HOWTO (R_V850_TDA_6_8_OFFSET, /* Type. */
1092 2, /* Rightshift. */
1093 1, /* Size (0 = byte, 1 = short, 2 = long). */
1095 FALSE, /* PC_relative. */
1097 complain_overflow_dont, /* Complain_on_overflow. */
1098 v850_elf_reloc, /* Special_function. */
1099 "R_V850_TDA_6_8_OFFSET", /* Name. */
1100 FALSE, /* Partial_inplace. */
1101 0x7e, /* Src_mask. */
1102 0x7e, /* Dst_mask. */
1103 FALSE), /* PCrel_offset. */
1105 /* 8 bit offset from the tiny data area pointer. */
1106 HOWTO (R_V850_TDA_7_8_OFFSET, /* Type. */
1107 1, /* Rightshift. */
1108 1, /* Size (0 = byte, 1 = short, 2 = long). */
1110 FALSE, /* PC_relative. */
1112 complain_overflow_dont, /* Complain_on_overflow. */
1113 v850_elf_reloc, /* Special_function. */
1114 "R_V850_TDA_7_8_OFFSET", /* Name. */
1115 FALSE, /* Partial_inplace. */
1116 0x7f, /* Src_mask. */
1117 0x7f, /* Dst_mask. */
1118 FALSE), /* PCrel_offset. */
1120 /* 7 bit offset from the tiny data area pointer. */
1121 HOWTO (R_V850_TDA_7_7_OFFSET, /* Type. */
1122 0, /* Rightshift. */
1123 1, /* Size (0 = byte, 1 = short, 2 = long). */
1125 FALSE, /* PC_relative. */
1127 complain_overflow_dont, /* Complain_on_overflow. */
1128 v850_elf_reloc, /* Special_function. */
1129 "R_V850_TDA_7_7_OFFSET", /* Name. */
1130 FALSE, /* Partial_inplace. */
1131 0x7f, /* Src_mask. */
1132 0x7f, /* Dst_mask. */
1133 FALSE), /* PCrel_offset. */
1135 /* 16 bit offset from the tiny data area pointer! */
1136 HOWTO (R_V850_TDA_16_16_OFFSET, /* Type. */
1137 0, /* Rightshift. */
1138 1, /* Size (0 = byte, 1 = short, 2 = long). */
1140 FALSE, /* PC_relative. */
1142 complain_overflow_dont, /* Complain_on_overflow. */
1143 v850_elf_reloc, /* Special_function. */
1144 "R_V850_TDA_16_16_OFFSET", /* Name. */
1145 FALSE, /* Partial_inplace. */
1146 0xffff, /* Src_mask. */
1147 0xfff, /* Dst_mask. */
1148 FALSE), /* PCrel_offset. */
1150 /* 5 bit offset from the tiny data area pointer. */
1151 HOWTO (R_V850_TDA_4_5_OFFSET, /* Type. */
1152 1, /* Rightshift. */
1153 1, /* Size (0 = byte, 1 = short, 2 = long). */
1155 FALSE, /* PC_relative. */
1157 complain_overflow_dont, /* Complain_on_overflow. */
1158 v850_elf_reloc, /* Special_function. */
1159 "R_V850_TDA_4_5_OFFSET", /* Name. */
1160 FALSE, /* Partial_inplace. */
1161 0x0f, /* Src_mask. */
1162 0x0f, /* Dst_mask. */
1163 FALSE), /* PCrel_offset. */
1165 /* 4 bit offset from the tiny data area pointer. */
1166 HOWTO (R_V850_TDA_4_4_OFFSET, /* Type. */
1167 0, /* Rightshift. */
1168 1, /* Size (0 = byte, 1 = short, 2 = long). */
1170 FALSE, /* PC_relative. */
1172 complain_overflow_dont, /* Complain_on_overflow. */
1173 v850_elf_reloc, /* Special_function. */
1174 "R_V850_TDA_4_4_OFFSET", /* Name. */
1175 FALSE, /* Partial_inplace. */
1176 0x0f, /* Src_mask. */
1177 0x0f, /* Dst_mask. */
1178 FALSE), /* PCrel_offset. */
1180 /* 16 bit offset from the short data area pointer. */
1181 HOWTO (R_V850_SDA_16_16_SPLIT_OFFSET, /* Type. */
1182 0, /* Rightshift. */
1183 2, /* Size (0 = byte, 1 = short, 2 = long). */
1185 FALSE, /* PC_relative. */
1187 complain_overflow_dont, /* Complain_on_overflow. */
1188 v850_elf_reloc, /* Special_function. */
1189 "R_V850_SDA_16_16_SPLIT_OFFSET",/* Name. */
1190 FALSE, /* Partial_inplace. */
1191 0xfffe0020, /* Src_mask. */
1192 0xfffe0020, /* Dst_mask. */
1193 FALSE), /* PCrel_offset. */
1195 /* 16 bit offset from the zero data area pointer. */
1196 HOWTO (R_V850_ZDA_16_16_SPLIT_OFFSET, /* Type. */
1197 0, /* Rightshift. */
1198 2, /* Size (0 = byte, 1 = short, 2 = long). */
1200 FALSE, /* PC_relative. */
1202 complain_overflow_dont, /* Complain_on_overflow. */
1203 v850_elf_reloc, /* Special_function. */
1204 "R_V850_ZDA_16_16_SPLIT_OFFSET",/* Name. */
1205 FALSE, /* Partial_inplace. */
1206 0xfffe0020, /* Src_mask. */
1207 0xfffe0020, /* Dst_mask. */
1208 FALSE), /* PCrel_offset. */
1210 /* 6 bit offset from the call table base pointer. */
1211 HOWTO (R_V850_CALLT_6_7_OFFSET, /* Type. */
1212 0, /* Rightshift. */
1213 1, /* Size (0 = byte, 1 = short, 2 = long). */
1215 FALSE, /* PC_relative. */
1217 complain_overflow_dont, /* Complain_on_overflow. */
1218 v850_elf_reloc, /* Special_function. */
1219 "R_V850_CALLT_6_7_OFFSET", /* Name. */
1220 FALSE, /* Partial_inplace. */
1221 0x3f, /* Src_mask. */
1222 0x3f, /* Dst_mask. */
1223 FALSE), /* PCrel_offset. */
1225 /* 16 bit offset from the call table base pointer. */
1226 HOWTO (R_V850_CALLT_16_16_OFFSET, /* Type. */
1227 0, /* Rightshift. */
1228 1, /* Size (0 = byte, 1 = short, 2 = long). */
1230 FALSE, /* PC_relative. */
1232 complain_overflow_dont, /* Complain_on_overflow. */
1233 v850_elf_reloc, /* Special_function. */
1234 "R_V850_CALLT_16_16_OFFSET", /* Name. */
1235 FALSE, /* Partial_inplace. */
1236 0xffff, /* Src_mask. */
1237 0xffff, /* Dst_mask. */
1238 FALSE), /* PCrel_offset. */
1241 /* GNU extension to record C++ vtable hierarchy */
1242 HOWTO (R_V850_GNU_VTINHERIT, /* Type. */
1243 0, /* Rightshift. */
1244 2, /* Size (0 = byte, 1 = short, 2 = long). */
1246 FALSE, /* PC_relative. */
1248 complain_overflow_dont, /* Complain_on_overflow. */
1249 NULL, /* Special_function. */
1250 "R_V850_GNU_VTINHERIT", /* Name. */
1251 FALSE, /* Partial_inplace. */
1254 FALSE), /* PCrel_offset. */
1256 /* GNU extension to record C++ vtable member usage. */
1257 HOWTO (R_V850_GNU_VTENTRY, /* Type. */
1258 0, /* Rightshift. */
1259 2, /* Size (0 = byte, 1 = short, 2 = long). */
1261 FALSE, /* PC_relative. */
1263 complain_overflow_dont, /* Complain_on_overflow. */
1264 _bfd_elf_rel_vtable_reloc_fn, /* Special_function. */
1265 "R_V850_GNU_VTENTRY", /* Name. */
1266 FALSE, /* Partial_inplace. */
1269 FALSE), /* PCrel_offset. */
1271 /* Indicates a .longcall pseudo-op. The compiler will generate a .longcall
1272 pseudo-op when it finds a function call which can be relaxed. */
1273 HOWTO (R_V850_LONGCALL, /* Type. */
1274 0, /* Rightshift. */
1275 2, /* Size (0 = byte, 1 = short, 2 = long). */
1277 TRUE, /* PC_relative. */
1279 complain_overflow_signed, /* Complain_on_overflow. */
1280 v850_elf_ignore_reloc, /* Special_function. */
1281 "R_V850_LONGCALL", /* Name. */
1282 FALSE, /* Partial_inplace. */
1285 TRUE), /* PCrel_offset. */
1287 /* Indicates a .longjump pseudo-op. The compiler will generate a
1288 .longjump pseudo-op when it finds a branch which can be relaxed. */
1289 HOWTO (R_V850_LONGJUMP, /* Type. */
1290 0, /* Rightshift. */
1291 2, /* Size (0 = byte, 1 = short, 2 = long). */
1293 TRUE, /* PC_relative. */
1295 complain_overflow_signed, /* Complain_on_overflow. */
1296 v850_elf_ignore_reloc, /* Special_function. */
1297 "R_V850_LONGJUMP", /* Name. */
1298 FALSE, /* Partial_inplace. */
1301 TRUE), /* PCrel_offset. */
1303 HOWTO (R_V850_ALIGN, /* Type. */
1304 0, /* Rightshift. */
1305 1, /* Size (0 = byte, 1 = short, 2 = long). */
1307 FALSE, /* PC_relative. */
1309 complain_overflow_unsigned, /* Complain_on_overflow. */
1310 v850_elf_ignore_reloc, /* Special_function. */
1311 "R_V850_ALIGN", /* Name. */
1312 FALSE, /* Partial_inplace. */
1315 TRUE), /* PCrel_offset. */
1317 /* Simple pc-relative 32bit reloc. */
1318 HOWTO (R_V850_REL32, /* Type. */
1319 0, /* Rightshift. */
1320 2, /* Size (0 = byte, 1 = short, 2 = long). */
1322 TRUE, /* PC_relative. */
1324 complain_overflow_dont, /* Complain_on_overflow. */
1325 v850_elf_reloc, /* Special_function. */
1326 "R_V850_REL32", /* Name. */
1327 FALSE, /* Partial_inplace. */
1328 0xffffffff, /* Src_mask. */
1329 0xffffffff, /* Dst_mask. */
1330 FALSE), /* PCrel_offset. */
1332 /* An ld.bu version of R_V850_LO16. */
1333 HOWTO (R_V850_LO16_SPLIT_OFFSET, /* Type. */
1334 0, /* Rightshift. */
1335 2, /* Size (0 = byte, 1 = short, 2 = long). */
1337 FALSE, /* PC_relative. */
1339 complain_overflow_dont, /* Complain_on_overflow. */
1340 v850_elf_reloc, /* Special_function. */
1341 "R_V850_LO16_SPLIT_OFFSET", /* Name. */
1342 FALSE, /* Partial_inplace. */
1343 0xfffe0020, /* Src_mask. */
1344 0xfffe0020, /* Dst_mask. */
1345 FALSE), /* PCrel_offset. */
1347 /* A unsigned PC relative 16 bit loop. */
1348 HOWTO (R_V850_16_PCREL, /* Type. */
1349 0, /* Rightshift. */
1350 1, /* Size (0 = byte, 1 = short, 2 = long). */
1352 TRUE, /* PC_relative. */
1354 complain_overflow_bitfield, /* Complain_on_overflow. */
1355 v850_elf_reloc, /* Special_function. */
1356 "R_V850_16_PCREL", /* Name. */
1357 FALSE, /* Partial_inplace. */
1358 0xfffe, /* Src_mask. */
1359 0xfffe, /* Dst_mask. */
1360 TRUE), /* PCrel_offset. */
1362 /* A PC relative 17 bit branch. */
1363 HOWTO (R_V850_17_PCREL, /* Type. */
1364 0, /* Rightshift. */
1365 2, /* Size (0 = byte, 1 = short, 2 = long). */
1367 TRUE, /* PC_relative. */
1369 complain_overflow_bitfield, /* Complain_on_overflow. */
1370 v850_elf_reloc, /* Special_function. */
1371 "R_V850_17_PCREL", /* Name. */
1372 FALSE, /* Partial_inplace. */
1373 0x0010fffe, /* Src_mask. */
1374 0x0010fffe, /* Dst_mask. */
1375 TRUE), /* PCrel_offset. */
1377 /* A 23bit offset ld/st. */
1378 HOWTO (R_V850_23, /* type. */
1379 0, /* rightshift. */
1380 2, /* size (0 = byte, 1 = short, 2 = long). */
1382 FALSE, /* pc_relative. */
1384 complain_overflow_dont, /* complain_on_overflow. */
1385 v850_elf_reloc, /* special_function. */
1386 "R_V850_23", /* name. */
1387 FALSE, /* partial_inplace. */
1388 0xffff07f0, /* src_mask. */
1389 0xffff07f0, /* dst_mask. */
1390 FALSE), /* pcrel_offset. */
1392 /* A PC relative 32 bit branch. */
1393 HOWTO (R_V850_32_PCREL, /* type. */
1394 1, /* rightshift. */
1395 2, /* size (0 = byte, 1 = short, 2 = long). */
1397 TRUE, /* pc_relative. */
1399 complain_overflow_signed, /* complain_on_overflow. */
1400 v850_elf_reloc, /* special_function. */
1401 "R_V850_32_PCREL", /* name. */
1402 FALSE, /* partial_inplace. */
1403 0xfffffffe, /* src_mask. */
1404 0xfffffffe, /* dst_mask. */
1405 TRUE), /* pcrel_offset. */
1407 /* A absolute 32 bit branch. */
1408 HOWTO (R_V850_32_ABS, /* type. */
1409 1, /* rightshift. */
1410 2, /* size (0 = byte, 1 = short, 2 = long). */
1412 TRUE, /* pc_relative. */
1414 complain_overflow_signed, /* complain_on_overflow. */
1415 v850_elf_reloc, /* special_function. */
1416 "R_V850_32_ABS", /* name. */
1417 FALSE, /* partial_inplace. */
1418 0xfffffffe, /* src_mask. */
1419 0xfffffffe, /* dst_mask. */
1420 FALSE), /* pcrel_offset. */
1422 /* High 16 bits of symbol value. */
1423 HOWTO (R_V850_HI16, /* Type. */
1424 0, /* Rightshift. */
1425 1, /* Size (0 = byte, 1 = short, 2 = long). */
1427 FALSE, /* PC_relative. */
1429 complain_overflow_dont, /* Complain_on_overflow. */
1430 v850_elf_reloc, /* Special_function. */
1431 "R_V850_HI16", /* Name. */
1432 FALSE, /* Partial_inplace. */
1433 0xffff, /* Src_mask. */
1434 0xffff, /* Dst_mask. */
1435 FALSE), /* PCrel_offset. */
1437 /* Low 16 bits of symbol value. */
1438 HOWTO (R_V850_16_S1, /* type. */
1439 1, /* rightshift. */
1440 1, /* size (0 = byte, 1 = short, 2 = long). */
1442 FALSE, /* pc_relative. */
1444 complain_overflow_dont, /* complain_on_overflow. */
1445 v850_elf_reloc, /* special_function. */
1446 "R_V850_16_S1", /* name. */
1447 FALSE, /* partial_inplace. */
1448 0xfffe, /* src_mask. */
1449 0xfffe, /* dst_mask. */
1450 FALSE), /* pcrel_offset. */
1452 /* Low 16 bits of symbol value. */
1453 HOWTO (R_V850_LO16_S1, /* type. */
1454 1, /* rightshift. */
1455 1, /* size (0 = byte, 1 = short, 2 = long). */
1457 FALSE, /* pc_relative. */
1459 complain_overflow_dont, /* complain_on_overflow. */
1460 v850_elf_reloc, /* special_function. */
1461 "R_V850_LO16_S1", /* name. */
1462 FALSE, /* partial_inplace. */
1463 0xfffe, /* src_mask. */
1464 0xfffe, /* dst_mask. */
1465 FALSE), /* pcrel_offset. */
1467 /* 16 bit offset from the call table base pointer. */
1468 HOWTO (R_V850_CALLT_15_16_OFFSET, /* type. */
1469 1, /* rightshift. */
1470 1, /* size (0 = byte, 1 = short, 2 = long). */
1472 FALSE, /* pc_relative. */
1474 complain_overflow_dont, /* complain_on_overflow. */
1475 v850_elf_reloc, /* special_function. */
1476 "R_V850_CALLT_15_16_OFFSET", /* name. */
1477 FALSE, /* partial_inplace. */
1478 0xfffe, /* src_mask. */
1479 0xfffe, /* dst_mask. */
1480 FALSE), /* pcrel_offset. */
1482 /* Like R_V850_32 PCREL, but referring to the GOT table entry for
1484 HOWTO (R_V850_32_GOTPCREL, /* type. */
1485 0, /* rightshift. */
1486 2, /* size (0 = byte, 1 = short, 2 = long). */
1488 TRUE, /* pc_relative. */
1490 complain_overflow_unsigned, /* complain_on_overflow. */
1491 v850_elf_reloc, /* special_function. */
1492 "R_V850_32_GOTPCREL", /* name. */
1493 FALSE, /* partial_inplace. */
1494 0xffffffff, /* src_mask. */
1495 0xffffffff, /* dst_mask. */
1496 TRUE), /* pcrel_offset. */
1498 /* Like R_V850_SDA_, but referring to the GOT table entry for
1500 HOWTO (R_V850_16_GOT, /* type. */
1501 0, /* rightshift. */
1502 2, /* size (0 = byte, 1 = short, 2 = long). */
1504 FALSE, /* pc_relative. */
1506 complain_overflow_unsigned, /* complain_on_overflow. */
1507 bfd_elf_generic_reloc, /* special_function. */
1508 "R_V850_16_GOT", /* name. */
1509 FALSE, /* partial_inplace. */
1510 0xffff, /* src_mask. */
1511 0xffff, /* dst_mask. */
1512 FALSE), /* pcrel_offset. */
1514 HOWTO (R_V850_32_GOT, /* type. */
1515 0, /* rightshift. */
1516 2, /* size (0 = byte, 1 = short, 2 = long). */
1518 FALSE, /* pc_relative. */
1520 complain_overflow_unsigned, /* complain_on_overflow. */
1521 bfd_elf_generic_reloc, /* special_function. */
1522 "R_V850_32_GOT", /* name. */
1523 FALSE, /* partial_inplace. */
1524 0xffffffff, /* src_mask. */
1525 0xffffffff, /* dst_mask. */
1526 FALSE), /* pcrel_offset. */
1528 /* Like R_V850_22_PCREL, but referring to the procedure linkage table
1529 entry for the symbol. */
1530 HOWTO (R_V850_22_PLT, /* type. */
1531 1, /* rightshift. */
1532 2, /* size (0 = byte, 1 = short, 2 = long). */
1534 TRUE, /* pc_relative. */
1536 complain_overflow_signed, /* complain_on_overflow. */
1537 bfd_elf_generic_reloc, /* special_function. */
1538 "R_V850_22_PLT", /* name. */
1539 FALSE, /* partial_inplace. */
1540 0x07ffff80, /* src_mask. */
1541 0x07ffff80, /* dst_mask. */
1542 TRUE), /* pcrel_offset. */
1544 HOWTO (R_V850_32_PLT, /* type. */
1545 1, /* rightshift. */
1546 2, /* size (0 = byte, 1 = short, 2 = long). */
1548 TRUE, /* pc_relative. */
1550 complain_overflow_signed, /* complain_on_overflow. */
1551 bfd_elf_generic_reloc, /* special_function. */
1552 "R_V850_32_PLT", /* name. */
1553 FALSE, /* partial_inplace. */
1554 0xffffffff, /* src_mask. */
1555 0xffffffff, /* dst_mask. */
1556 TRUE), /* pcrel_offset. */
1558 /* This is used only by the dynamic linker. The symbol should exist
1559 both in the object being run and in some shared library. The
1560 dynamic linker copies the data addressed by the symbol from the
1561 shared library into the object, because the object being
1562 run has to have the data at some particular address. */
1563 HOWTO (R_V850_COPY, /* type. */
1564 0, /* rightshift. */
1565 2, /* size (0 = byte, 1 = short, 2 = long). */
1567 FALSE, /* pc_relative. */
1569 complain_overflow_bitfield, /* complain_on_overflow. */
1570 bfd_elf_generic_reloc, /* special_function. */
1571 "R_V850_COPY", /* name. */
1572 FALSE, /* partial_inplace. */
1573 0xffffffff, /* src_mask. */
1574 0xffffffff, /* dst_mask. */
1575 FALSE), /* pcrel_offset. */
1577 /* Like R_M32R_24, but used when setting global offset table
1579 HOWTO (R_V850_GLOB_DAT, /* type. */
1580 0, /* rightshift. */
1581 2, /* size (0 = byte, 1 = short, 2 = long) */
1583 FALSE, /* pc_relative. */
1585 complain_overflow_bitfield, /* complain_on_overflow. */
1586 bfd_elf_generic_reloc, /* special_function. */
1587 "R_V850_GLOB_DAT", /* name. */
1588 FALSE, /* partial_inplace. */
1589 0xffffffff, /* src_mask. */
1590 0xffffffff, /* dst_mask. */
1591 FALSE), /* pcrel_offset. */
1593 /* Marks a procedure linkage table entry for a symbol. */
1594 HOWTO (R_V850_JMP_SLOT, /* type. */
1595 0, /* rightshift. */
1596 2, /* size (0 = byte, 1 = short, 2 = long) */
1598 FALSE, /* pc_relative. */
1600 complain_overflow_bitfield, /* complain_on_overflow. */
1601 bfd_elf_generic_reloc, /* special_function. */
1602 "R_V850_JMP_SLOT", /* name. */
1603 FALSE, /* partial_inplace. */
1604 0xffffffff, /* src_mask. */
1605 0xffffffff, /* dst_mask. */
1606 FALSE), /* pcrel_offset. */
1608 /* Used only by the dynamic linker. When the object is run, this
1609 longword is set to the load address of the object, plus the
1611 HOWTO (R_V850_RELATIVE, /* type. */
1612 0, /* rightshift. */
1613 2, /* size (0 = byte, 1 = short, 2 = long) */
1615 FALSE, /* pc_relative. */
1617 complain_overflow_bitfield, /* complain_on_overflow. */
1618 bfd_elf_generic_reloc, /* special_function. */
1619 "R_V850_RELATIVE", /* name. */
1620 FALSE, /* partial_inplace. */
1621 0xffffffff, /* src_mask. */
1622 0xffffffff, /* dst_mask. */
1623 FALSE), /* pcrel_offset. */
1625 HOWTO (R_V850_16_GOTOFF, /* type. */
1626 0, /* rightshift. */
1627 2, /* size (0 = byte, 1 = short, 2 = long) */
1629 FALSE, /* pc_relative. */
1631 complain_overflow_bitfield, /* complain_on_overflow. */
1632 bfd_elf_generic_reloc, /* special_function. */
1633 "R_V850_16_GOTOFF", /* name. */
1634 FALSE, /* partial_inplace. */
1635 0xffff, /* src_mask. */
1636 0xffff, /* dst_mask. */
1637 FALSE), /* pcrel_offset. */
1639 HOWTO (R_V850_32_GOTOFF, /* type. */
1640 0, /* rightshift. */
1641 2, /* size (0 = byte, 1 = short, 2 = long) */
1643 FALSE, /* pc_relative. */
1645 complain_overflow_bitfield, /* complain_on_overflow. */
1646 bfd_elf_generic_reloc, /* special_function. */
1647 "R_V850_32_GOTOFF", /* name. */
1648 FALSE, /* partial_inplace. */
1649 0xffffffff, /* src_mask. */
1650 0xffffffff, /* dst_mask. */
1651 FALSE), /* pcrel_offset. */
1653 HOWTO (R_V850_CODE, /* type. */
1654 0, /* rightshift. */
1655 1, /* size (0 = byte, 1 = short, 2 = long) */
1657 FALSE, /* pc_relative. */
1659 complain_overflow_unsigned, /* complain_on_overflow. */
1660 v850_elf_ignore_reloc, /* special_function. */
1661 "R_V850_CODE", /* name. */
1662 FALSE, /* partial_inplace. */
1665 TRUE), /* pcrel_offset. */
1667 HOWTO (R_V850_DATA, /* type. */
1668 0, /* rightshift. */
1669 1, /* size (0 = byte, 1 = short, 2 = long) */
1671 FALSE, /* pc_relative. */
1673 complain_overflow_unsigned, /* complain_on_overflow. */
1674 v850_elf_ignore_reloc, /* special_function. */
1675 "R_V850_DATA", /* name. */
1676 FALSE, /* partial_inplace. */
1679 TRUE), /* pcrel_offset. */
1683 /* Map BFD reloc types to V850 ELF reloc types. */
1685 struct v850_elf_reloc_map
1687 /* BFD_RELOC_V850_CALLT_16_16_OFFSET is 258, which will not fix in an
1689 bfd_reloc_code_real_type bfd_reloc_val;
1690 unsigned int elf_reloc_val;
1693 static const struct v850_elf_reloc_map v850_elf_reloc_map[] =
1695 { BFD_RELOC_NONE, R_V850_NONE },
1696 { BFD_RELOC_V850_9_PCREL, R_V850_9_PCREL },
1697 { BFD_RELOC_V850_22_PCREL, R_V850_22_PCREL },
1698 { BFD_RELOC_HI16_S, R_V850_HI16_S },
1699 { BFD_RELOC_HI16, R_V850_HI16 },
1700 { BFD_RELOC_LO16, R_V850_LO16 },
1701 { BFD_RELOC_32, R_V850_ABS32 },
1702 { BFD_RELOC_32_PCREL, R_V850_REL32 },
1703 { BFD_RELOC_16, R_V850_16 },
1704 { BFD_RELOC_8, R_V850_8 },
1705 { BFD_RELOC_V850_SDA_16_16_OFFSET, R_V850_SDA_16_16_OFFSET },
1706 { BFD_RELOC_V850_SDA_15_16_OFFSET, R_V850_SDA_15_16_OFFSET },
1707 { BFD_RELOC_V850_ZDA_16_16_OFFSET, R_V850_ZDA_16_16_OFFSET },
1708 { BFD_RELOC_V850_ZDA_15_16_OFFSET, R_V850_ZDA_15_16_OFFSET },
1709 { BFD_RELOC_V850_TDA_6_8_OFFSET, R_V850_TDA_6_8_OFFSET },
1710 { BFD_RELOC_V850_TDA_7_8_OFFSET, R_V850_TDA_7_8_OFFSET },
1711 { BFD_RELOC_V850_TDA_7_7_OFFSET, R_V850_TDA_7_7_OFFSET },
1712 { BFD_RELOC_V850_TDA_16_16_OFFSET, R_V850_TDA_16_16_OFFSET },
1713 { BFD_RELOC_V850_TDA_4_5_OFFSET, R_V850_TDA_4_5_OFFSET },
1714 { BFD_RELOC_V850_TDA_4_4_OFFSET, R_V850_TDA_4_4_OFFSET },
1715 { BFD_RELOC_V850_LO16_SPLIT_OFFSET, R_V850_LO16_SPLIT_OFFSET },
1716 { BFD_RELOC_V850_SDA_16_16_SPLIT_OFFSET, R_V850_SDA_16_16_SPLIT_OFFSET },
1717 { BFD_RELOC_V850_ZDA_16_16_SPLIT_OFFSET, R_V850_ZDA_16_16_SPLIT_OFFSET },
1718 { BFD_RELOC_V850_CALLT_6_7_OFFSET, R_V850_CALLT_6_7_OFFSET },
1719 { BFD_RELOC_V850_CALLT_16_16_OFFSET, R_V850_CALLT_16_16_OFFSET },
1720 { BFD_RELOC_VTABLE_INHERIT, R_V850_GNU_VTINHERIT },
1721 { BFD_RELOC_VTABLE_ENTRY, R_V850_GNU_VTENTRY },
1722 { BFD_RELOC_V850_LONGCALL, R_V850_LONGCALL },
1723 { BFD_RELOC_V850_LONGJUMP, R_V850_LONGJUMP },
1724 { BFD_RELOC_V850_ALIGN, R_V850_ALIGN },
1725 { BFD_RELOC_V850_16_PCREL, R_V850_16_PCREL },
1726 { BFD_RELOC_V850_17_PCREL, R_V850_17_PCREL },
1727 { BFD_RELOC_V850_23, R_V850_23 },
1728 { BFD_RELOC_V850_32_PCREL, R_V850_32_PCREL },
1729 { BFD_RELOC_V850_32_ABS, R_V850_32_ABS },
1730 { BFD_RELOC_V850_16_SPLIT_OFFSET, R_V850_HI16 },
1731 { BFD_RELOC_V850_16_S1, R_V850_16_S1 },
1732 { BFD_RELOC_V850_LO16_S1, R_V850_LO16_S1 },
1733 { BFD_RELOC_V850_CALLT_15_16_OFFSET, R_V850_CALLT_15_16_OFFSET },
1734 { BFD_RELOC_V850_32_GOTPCREL, R_V850_32_GOTPCREL },
1735 { BFD_RELOC_V850_16_GOT, R_V850_16_GOT },
1736 { BFD_RELOC_V850_32_GOT, R_V850_32_GOT },
1737 { BFD_RELOC_V850_22_PLT_PCREL, R_V850_22_PLT },
1738 { BFD_RELOC_V850_32_PLT_PCREL, R_V850_32_PLT },
1739 { BFD_RELOC_V850_COPY, R_V850_COPY },
1740 { BFD_RELOC_V850_GLOB_DAT, R_V850_GLOB_DAT },
1741 { BFD_RELOC_V850_JMP_SLOT, R_V850_JMP_SLOT },
1742 { BFD_RELOC_V850_RELATIVE, R_V850_RELATIVE },
1743 { BFD_RELOC_V850_16_GOTOFF, R_V850_16_GOTOFF },
1744 { BFD_RELOC_V850_32_GOTOFF, R_V850_32_GOTOFF },
1745 { BFD_RELOC_V850_CODE, R_V850_CODE },
1746 { BFD_RELOC_V850_DATA, R_V850_DATA },
1749 #define V800_RELOC(name,sz,bit,shift,complain,pcrel,resolver) \
1750 HOWTO (name, shift, sz, bit, pcrel, 0, complain_overflow_ ## complain, \
1751 bfd_elf_ ## resolver ## _reloc, #name, FALSE, 0, ~0, FALSE)
1753 #define V800_EMPTY(name) EMPTY_HOWTO (name - R_V810_NONE)
1755 #define bfd_elf_v850_reloc v850_elf_reloc
1757 /* Note: It is REQUIRED that the 'type' value (R_V810_...) of each entry
1758 in this array match the index of the entry in the array minus 0x30.
1759 See: bfd_elf_v850_relocate_section(), v800_elf_reloc_type_lookup()
1760 and v800_elf_info_to_howto(). */
1762 static reloc_howto_type v800_elf_howto_table[] =
1764 V800_RELOC (R_V810_NONE, 0, 0, 0, dont, FALSE, generic), /* Type = 0x30 */
1765 V800_RELOC (R_V810_BYTE, 0, 8, 0, dont, FALSE, generic),
1766 V800_RELOC (R_V810_HWORD, 1, 16, 0, dont, FALSE, generic),
1767 V800_RELOC (R_V810_WORD, 2, 32, 0, dont, FALSE, generic),
1768 V800_RELOC (R_V810_WLO, 1, 16, 0, dont, FALSE, generic),
1769 V800_RELOC (R_V810_WHI, 1, 16, 0, dont, FALSE, generic),
1770 V800_RELOC (R_V810_WHI1, 1, 16, 0, dont, FALSE, generic),
1771 V800_RELOC (R_V810_GPBYTE, 0, 8, 0, dont, FALSE, v850),
1772 V800_RELOC (R_V810_GPHWORD, 1, 16, 0, dont, FALSE, v850),
1773 V800_RELOC (R_V810_GPWORD, 2, 32, 0, dont, FALSE, v850),
1774 V800_RELOC (R_V810_GPWLO, 1, 16, 0, dont, FALSE, v850),
1775 V800_RELOC (R_V810_GPWHI, 1, 16, 0, dont, FALSE, v850),
1776 V800_RELOC (R_V810_GPWHI1, 1, 16, 0, dont, FALSE, v850),
1777 V800_RELOC (R_V850_HWLO, 1, 16, 0, dont, FALSE, generic),
1778 V800_EMPTY (R_V810_reserved1),
1779 V800_RELOC (R_V850_EP7BIT, 0, 7, 0, unsigned, FALSE, v850),
1780 V800_RELOC (R_V850_EPHBYTE, 0, 8, 1, unsigned, FALSE, v850),
1781 V800_RELOC (R_V850_EPWBYTE, 0, 8, 2, unsigned, FALSE, v850),
1782 V800_RELOC (R_V850_REGHWLO, 1, 16, 0, dont, FALSE, v850),
1783 V800_EMPTY (R_V810_reserved2),
1784 V800_RELOC (R_V850_GPHWLO, 1, 16, 0, dont, FALSE, v850),
1785 V800_EMPTY (R_V810_reserved3),
1786 V800_RELOC (R_V850_PCR22, 2, 22, 0, signed, TRUE, generic),
1787 V800_RELOC (R_V850_BLO, 2, 24, 0, dont, FALSE, v850),
1788 V800_RELOC (R_V850_EP4BIT, 0, 4, 0, unsigned, FALSE, v850),
1789 V800_RELOC (R_V850_EP5BIT, 0, 5, 0, unsigned, FALSE, v850),
1790 V800_RELOC (R_V850_REGBLO, 2, 24, 0, dont, FALSE, v850),
1791 V800_RELOC (R_V850_GPBLO, 2, 24, 0, dont, FALSE, v850),
1792 V800_RELOC (R_V810_WLO_1, 1, 16, 0, dont, FALSE, v850),
1793 V800_RELOC (R_V810_GPWLO_1, 1, 16, 0, signed, FALSE, v850),
1794 V800_RELOC (R_V850_BLO_1, 2, 16, 0, signed, FALSE, v850),
1795 V800_RELOC (R_V850_HWLO_1, 1, 16, 0, signed, FALSE, v850),
1796 V800_EMPTY (R_V810_reserved4),
1797 V800_RELOC (R_V850_GPBLO_1, 2, 16, 1, signed, FALSE, v850),
1798 V800_RELOC (R_V850_GPHWLO_1, 1, 16, 1, signed, FALSE, v850),
1799 V800_EMPTY (R_V810_reserved5),
1800 V800_RELOC (R_V850_EPBLO, 2, 16, 1, signed, FALSE, v850),
1801 V800_RELOC (R_V850_EPHWLO, 1, 16, 1, signed, FALSE, v850),
1802 V800_EMPTY (R_V810_reserved6),
1803 V800_RELOC (R_V850_EPWLO_N, 1, 16, 1, signed, FALSE, v850),
1804 V800_RELOC (R_V850_PC32, 2, 32, 1, signed, TRUE, v850),
1805 V800_RELOC (R_V850_W23BIT, 2, 23, 1, signed, FALSE, v850),
1806 V800_RELOC (R_V850_GPW23BIT, 2, 23, 1, signed, FALSE, v850),
1807 V800_RELOC (R_V850_EPW23BIT, 2, 23, 1, signed, FALSE, v850),
1808 V800_RELOC (R_V850_B23BIT, 2, 23, 1, signed, FALSE, v850),
1809 V800_RELOC (R_V850_GPB23BIT, 2, 23, 1, signed, FALSE, v850),
1810 V800_RELOC (R_V850_EPB23BIT, 2, 23, 1, signed, FALSE, v850),
1811 V800_RELOC (R_V850_PC16U, 1, 16, 1, unsigned, TRUE, generic),
1812 V800_RELOC (R_V850_PC17, 2, 17, 1, signed, TRUE, generic),
1813 V800_RELOC (R_V850_DW8, 2, 8, 2, signed, FALSE, v850),
1814 V800_RELOC (R_V850_GPDW8, 2, 8, 2, signed, FALSE, v850),
1815 V800_RELOC (R_V850_EPDW8, 2, 8, 2, signed, FALSE, v850),
1816 V800_RELOC (R_V850_PC9, 1, 9, 3, signed, TRUE, v850),
1817 V800_RELOC (R_V810_REGBYTE, 0, 8, 0, dont, FALSE, v850),
1818 V800_RELOC (R_V810_REGHWORD, 1, 16, 0, dont, FALSE, v850),
1819 V800_RELOC (R_V810_REGWORD, 2, 32, 0, dont, FALSE, v850),
1820 V800_RELOC (R_V810_REGWLO, 1, 16, 0, dont, FALSE, v850),
1821 V800_RELOC (R_V810_REGWHI, 1, 16, 0, dont, FALSE, v850),
1822 V800_RELOC (R_V810_REGWHI1, 1, 16, 0, dont, FALSE, v850),
1823 V800_RELOC (R_V850_REGW23BIT, 2, 23, 1, signed, FALSE, v850),
1824 V800_RELOC (R_V850_REGB23BIT, 2, 23, 1, signed, FALSE, v850),
1825 V800_RELOC (R_V850_REGDW8, 2, 8, 2, signed, FALSE, v850),
1826 V800_RELOC (R_V810_EPBYTE, 0, 8, 0, dont, FALSE, v850),
1827 V800_RELOC (R_V810_EPHWORD, 1, 16, 0, dont, FALSE, v850),
1828 V800_RELOC (R_V810_EPWORD, 2, 32, 0, dont, FALSE, v850),
1829 V800_RELOC (R_V850_WLO23, 2, 32, 1, dont, FALSE, v850),
1830 V800_RELOC (R_V850_WORD_E, 2, 32, 1, dont, FALSE, v850),
1831 V800_RELOC (R_V850_REGWORD_E, 2, 32, 1, dont, FALSE, v850),
1832 V800_RELOC (R_V850_WORD, 2, 32, 0, dont, FALSE, v850),
1833 V800_RELOC (R_V850_GPWORD, 2, 32, 0, dont, FALSE, v850),
1834 V800_RELOC (R_V850_REGWORD, 2, 32, 0, dont, FALSE, v850),
1835 V800_RELOC (R_V850_EPWORD, 2, 32, 0, dont, FALSE, v850),
1836 V800_RELOC (R_V810_TPBYTE, 0, 8, 0, dont, FALSE, v850),
1837 V800_RELOC (R_V810_TPHWORD, 1, 16, 0, dont, FALSE, v850),
1838 V800_RELOC (R_V810_TPWORD, 2, 32, 0, dont, FALSE, v850),
1839 V800_RELOC (R_V810_TPWLO, 1, 16, 0, dont, FALSE, v850),
1840 V800_RELOC (R_V810_TPWHI, 1, 16, 0, dont, FALSE, v850),
1841 V800_RELOC (R_V810_TPWHI1, 1, 16, 0, dont, FALSE, v850),
1842 V800_RELOC (R_V850_TPHWLO, 1, 16, 1, dont, FALSE, v850),
1843 V800_RELOC (R_V850_TPBLO, 2, 24, 0, dont, FALSE, v850),
1844 V800_RELOC (R_V810_TPWLO_1, 1, 16, 0, signed, FALSE, v850),
1845 V800_RELOC (R_V850_TPBLO_1, 2, 16, 0, signed, FALSE, v850),
1846 V800_RELOC (R_V850_TPHWLO_1, 1, 16, 0, signed, FALSE, v850),
1847 V800_RELOC (R_V850_TP23BIT, 2, 23, 0, signed, FALSE, v850),
1848 V800_RELOC (R_V850_TPW23BIT, 2, 23, 0, signed, FALSE, v850),
1849 V800_RELOC (R_V850_TPDW8, 2, 8, 0, signed, FALSE, v850)
1852 /* Map a bfd relocation into the appropriate howto structure. */
1854 static reloc_howto_type *
1855 v850_elf_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
1856 bfd_reloc_code_real_type code)
1860 for (i = ARRAY_SIZE (v850_elf_reloc_map); i --;)
1861 if (v850_elf_reloc_map[i].bfd_reloc_val == code)
1863 unsigned int elf_reloc_val = v850_elf_reloc_map[i].elf_reloc_val;
1865 BFD_ASSERT (v850_elf_howto_table[elf_reloc_val].type == elf_reloc_val);
1867 return v850_elf_howto_table + elf_reloc_val;
1873 static reloc_howto_type *
1874 v850_elf_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
1880 i < sizeof (v850_elf_howto_table) / sizeof (v850_elf_howto_table[0]);
1882 if (v850_elf_howto_table[i].name != NULL
1883 && strcasecmp (v850_elf_howto_table[i].name, r_name) == 0)
1884 return &v850_elf_howto_table[i];
1889 /* Set the howto pointer for an V850 ELF reloc. */
1892 v850_elf_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED,
1894 Elf_Internal_Rela *dst)
1896 unsigned int r_type;
1898 r_type = ELF32_R_TYPE (dst->r_info);
1899 if (r_type >= (unsigned int) R_V850_max)
1901 _bfd_error_handler (_("%B: invalid V850 reloc number: %d"), abfd, r_type);
1904 cache_ptr->howto = &v850_elf_howto_table[r_type];
1907 /* Set the howto pointer for a V850 ELF reloc (type RELA). */
1910 v850_elf_info_to_howto_rela (bfd *abfd ATTRIBUTE_UNUSED,
1911 arelent * cache_ptr,
1912 Elf_Internal_Rela *dst)
1914 unsigned int r_type;
1916 r_type = ELF32_R_TYPE (dst->r_info);
1917 if (r_type >= (unsigned int) R_V850_max)
1919 _bfd_error_handler (_("%B: invalid V850 reloc number: %d"), abfd, r_type);
1922 cache_ptr->howto = &v850_elf_howto_table[r_type];
1926 v850_elf_is_local_label_name (bfd *abfd ATTRIBUTE_UNUSED, const char *name)
1928 return ( (name[0] == '.' && (name[1] == 'L' || name[1] == '.'))
1929 || (name[0] == '_' && name[1] == '.' && name[2] == 'L' && name[3] == '_'));
1933 v850_elf_is_target_special_symbol (bfd *abfd, asymbol *sym)
1935 return v850_elf_is_local_label_name (abfd, sym->name);
1938 /* We overload some of the bfd_reloc error codes for own purposes. */
1939 #define bfd_reloc_gp_not_found bfd_reloc_other
1940 #define bfd_reloc_ep_not_found bfd_reloc_continue
1941 #define bfd_reloc_ctbp_not_found (bfd_reloc_dangerous + 1)
1943 /* Perform a relocation as part of a final link. */
1945 static bfd_reloc_status_type
1946 v850_elf_final_link_relocate (reloc_howto_type *howto,
1948 bfd *output_bfd ATTRIBUTE_UNUSED,
1949 asection *input_section,
1954 struct bfd_link_info *info,
1956 int is_local ATTRIBUTE_UNUSED)
1958 unsigned int r_type = howto->type;
1959 bfd_byte *hit_data = contents + offset;
1961 /* Adjust the value according to the relocation. */
1965 case R_V850_9_PCREL:
1966 value -= (input_section->output_section->vma
1967 + input_section->output_offset);
1972 case R_V850_16_PCREL:
1973 value -= (input_section->output_section->vma
1974 + input_section->output_offset
1977 /* If the sign extension will corrupt the value then we have overflowed. */
1978 if ((value & 0xffff0000) != 0xffff0000)
1979 return bfd_reloc_overflow;
1984 case R_V850_17_PCREL:
1985 value -= (input_section->output_section->vma
1986 + input_section->output_offset
1989 /* If the sign extension will corrupt the value then we have overflowed. */
1990 if (((value & 0xffff0000) != 0x0) && ((value & 0xffff0000) != 0xffff0000))
1991 return bfd_reloc_overflow;
1993 value = SEXT17 (value);
1997 case R_V850_22_PCREL:
1998 value -= (input_section->output_section->vma
1999 + input_section->output_offset
2002 /* If the sign extension will corrupt the value then we have overflowed. */
2003 if (((value & 0xffe00000) != 0x0) && ((value & 0xffe00000) != 0xffe00000))
2004 return bfd_reloc_overflow;
2006 /* Only the bottom 22 bits of the PC are valid. */
2007 value = SEXT22 (value);
2011 case R_V850_32_PCREL:
2012 value -= (input_section->output_section->vma
2013 + input_section->output_offset
2022 case R_V850_LO16_S1:
2023 case R_V850_LO16_SPLIT_OFFSET:
2038 case R_V850_ZDA_15_16_OFFSET:
2039 case R_V850_ZDA_16_16_OFFSET:
2040 case R_V850_ZDA_16_16_SPLIT_OFFSET:
2041 if (sym_sec == NULL)
2042 return bfd_reloc_undefined;
2044 value -= sym_sec->output_section->vma;
2047 case R_V850_SDA_15_16_OFFSET:
2048 case R_V850_SDA_16_16_OFFSET:
2049 case R_V850_SDA_16_16_SPLIT_OFFSET:
2050 case R_V810_GPWLO_1:
2053 struct bfd_link_hash_entry * h;
2055 if (sym_sec == NULL)
2056 return bfd_reloc_undefined;
2058 /* Get the value of __gp. */
2059 h = bfd_link_hash_lookup (info->hash, "__gp", FALSE, FALSE, TRUE);
2061 || h->type != bfd_link_hash_defined)
2062 return bfd_reloc_gp_not_found;
2064 gp = (h->u.def.value
2065 + h->u.def.section->output_section->vma
2066 + h->u.def.section->output_offset);
2068 value -= sym_sec->output_section->vma;
2069 value -= (gp - sym_sec->output_section->vma);
2073 case R_V850_TDA_4_4_OFFSET:
2074 case R_V850_TDA_4_5_OFFSET:
2075 case R_V850_TDA_7_7_OFFSET:
2076 case R_V850_TDA_7_8_OFFSET:
2077 case R_V850_TDA_6_8_OFFSET:
2078 case R_V850_TDA_16_16_OFFSET:
2081 struct bfd_link_hash_entry * h;
2083 /* Get the value of __ep. */
2084 h = bfd_link_hash_lookup (info->hash, "__ep", FALSE, FALSE, TRUE);
2086 || h->type != bfd_link_hash_defined)
2087 return bfd_reloc_ep_not_found;
2089 ep = (h->u.def.value
2090 + h->u.def.section->output_section->vma
2091 + h->u.def.section->output_offset);
2097 case R_V850_CALLT_6_7_OFFSET:
2100 struct bfd_link_hash_entry * h;
2102 /* Get the value of __ctbp. */
2103 h = bfd_link_hash_lookup (info->hash, "__ctbp", FALSE, FALSE, TRUE);
2105 || h->type != bfd_link_hash_defined)
2106 return bfd_reloc_ctbp_not_found;
2108 ctbp = (h->u.def.value
2109 + h->u.def.section->output_section->vma
2110 + h->u.def.section->output_offset);
2115 case R_V850_CALLT_15_16_OFFSET:
2116 case R_V850_CALLT_16_16_OFFSET:
2119 struct bfd_link_hash_entry * h;
2121 if (sym_sec == NULL)
2122 return bfd_reloc_undefined;
2124 /* Get the value of __ctbp. */
2125 h = bfd_link_hash_lookup (info->hash, "__ctbp", FALSE, FALSE, TRUE);
2127 || h->type != bfd_link_hash_defined)
2128 return bfd_reloc_ctbp_not_found;
2130 ctbp = (h->u.def.value
2131 + h->u.def.section->output_section->vma
2132 + h->u.def.section->output_offset);
2134 value -= sym_sec->output_section->vma;
2135 value -= (ctbp - sym_sec->output_section->vma);
2141 case R_V850_GNU_VTINHERIT:
2142 case R_V850_GNU_VTENTRY:
2143 case R_V850_LONGCALL:
2144 case R_V850_LONGJUMP:
2146 return bfd_reloc_ok;
2150 fprintf (stderr, "%B: reloc number %d not recognised\n", input_bfd, r_type);
2152 return bfd_reloc_notsupported;
2155 /* Perform the relocation. */
2156 return v850_elf_perform_relocation (input_bfd, r_type, value + addend, hit_data);
2159 /* Relocate an V850 ELF section. */
2162 v850_elf_relocate_section (bfd *output_bfd,
2163 struct bfd_link_info *info,
2165 asection *input_section,
2167 Elf_Internal_Rela *relocs,
2168 Elf_Internal_Sym *local_syms,
2169 asection **local_sections)
2171 Elf_Internal_Shdr *symtab_hdr;
2172 struct elf_link_hash_entry **sym_hashes;
2173 Elf_Internal_Rela *rel;
2174 Elf_Internal_Rela *relend;
2176 symtab_hdr = & elf_tdata (input_bfd)->symtab_hdr;
2177 sym_hashes = elf_sym_hashes (input_bfd);
2179 /* Reset the list of remembered HI16S relocs to empty. */
2180 free_hi16s = previous_hi16s;
2181 previous_hi16s = NULL;
2185 relend = relocs + input_section->reloc_count;
2186 for (; rel < relend; rel++)
2188 unsigned int r_type;
2189 reloc_howto_type *howto;
2190 unsigned long r_symndx;
2191 Elf_Internal_Sym *sym;
2193 struct elf_link_hash_entry *h;
2195 bfd_reloc_status_type r;
2197 r_symndx = ELF32_R_SYM (rel->r_info);
2198 r_type = ELF32_R_TYPE (rel->r_info);
2200 if (r_type == R_V850_GNU_VTENTRY
2201 || r_type == R_V850_GNU_VTINHERIT)
2204 if (bfd_get_arch (input_bfd) == bfd_arch_v850_rh850)
2205 howto = v800_elf_howto_table + (r_type - R_V810_NONE);
2207 howto = v850_elf_howto_table + r_type;
2209 BFD_ASSERT (r_type == howto->type);
2214 if (r_symndx < symtab_hdr->sh_info)
2216 sym = local_syms + r_symndx;
2217 sec = local_sections[r_symndx];
2218 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
2222 bfd_boolean unresolved_reloc, warned, ignored;
2224 /* Note - this check is delayed until now as it is possible and
2225 valid to have a file without any symbols but with relocs that
2226 can be processed. */
2227 if (sym_hashes == NULL)
2229 info->callbacks->warning
2230 (info, "no hash table available",
2231 NULL, input_bfd, input_section, (bfd_vma) 0);
2236 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
2237 r_symndx, symtab_hdr, sym_hashes,
2239 unresolved_reloc, warned, ignored);
2242 if (sec != NULL && discarded_section (sec))
2243 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
2244 rel, 1, relend, howto, 0, contents);
2246 if (bfd_link_relocatable (info))
2249 /* FIXME: We should use the addend, but the COFF relocations don't. */
2250 r = v850_elf_final_link_relocate (howto, input_bfd, output_bfd,
2252 contents, rel->r_offset,
2253 relocation, rel->r_addend,
2254 info, sec, h == NULL);
2256 if (r != bfd_reloc_ok)
2259 const char * msg = NULL;
2262 name = h->root.root.string;
2265 name = (bfd_elf_string_from_elf_section
2266 (input_bfd, symtab_hdr->sh_link, sym->st_name));
2267 if (name == NULL || *name == '\0')
2268 name = bfd_section_name (input_bfd, sec);
2273 case bfd_reloc_overflow:
2274 (*info->callbacks->reloc_overflow)
2275 (info, (h ? &h->root : NULL), name, howto->name,
2276 (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
2279 case bfd_reloc_undefined:
2280 (*info->callbacks->undefined_symbol)
2281 (info, name, input_bfd, input_section, rel->r_offset, TRUE);
2284 case bfd_reloc_outofrange:
2285 msg = _("internal error: out of range error");
2288 case bfd_reloc_notsupported:
2289 msg = _("internal error: unsupported relocation error");
2292 case bfd_reloc_dangerous:
2293 msg = _("internal error: dangerous relocation");
2296 case bfd_reloc_gp_not_found:
2297 msg = _("could not locate special linker symbol __gp");
2300 case bfd_reloc_ep_not_found:
2301 msg = _("could not locate special linker symbol __ep");
2304 case bfd_reloc_ctbp_not_found:
2305 msg = _("could not locate special linker symbol __ctbp");
2309 msg = _("internal error: unknown error");
2313 (*info->callbacks->warning) (info, msg, name, input_bfd,
2314 input_section, rel->r_offset);
2324 v850_elf_gc_mark_hook (asection *sec,
2325 struct bfd_link_info *info,
2326 Elf_Internal_Rela *rel,
2327 struct elf_link_hash_entry *h,
2328 Elf_Internal_Sym *sym)
2331 switch (ELF32_R_TYPE (rel->r_info))
2333 case R_V850_GNU_VTINHERIT:
2334 case R_V850_GNU_VTENTRY:
2338 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
2342 v850_set_note (bfd * abfd, asection * s, enum v850_notes note, unsigned int val)
2344 bfd_byte * data = s->contents + ((note - 1) * SIZEOF_V850_NOTE);
2346 bfd_put_32 (abfd, 4, data + 0);
2347 bfd_put_32 (abfd, 4, data + 4);
2348 bfd_put_32 (abfd, note, data + 8);
2349 memcpy (data + 12, V850_NOTE_NAME, 4);
2350 bfd_put_32 (abfd, val, data + 16);
2353 /* Create the note section if not already present. This is done early so
2354 that the linker maps the sections to the right place in the output. */
2357 v850_elf_make_note_section (bfd * abfd)
2364 /* Make the note section. */
2365 flags = SEC_READONLY | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_MERGE;
2367 s = bfd_make_section_anyway_with_flags (abfd, V850_NOTE_SECNAME, flags);
2371 if (!bfd_set_section_alignment (abfd, s, 2))
2374 /* Allocate space for all known notes. */
2375 if (!bfd_set_section_size (abfd, s, NUM_V850_NOTES * SIZEOF_V850_NOTE))
2378 data = bfd_zalloc (abfd, NUM_V850_NOTES * SIZEOF_V850_NOTE);
2384 /* Provide default (= uninitilaised) values for all of the notes. */
2385 for (id = V850_NOTE_ALIGNMENT; id <= NUM_V850_NOTES; id++)
2386 v850_set_note (abfd, s, id, 0);
2391 /* Create the note section if not already present. This is done early so
2392 that the linker maps the sections to the right place in the output. */
2395 v850_elf_create_sections (struct bfd_link_info * info)
2399 /* If we already have a note section, do not make another. */
2400 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
2401 if (bfd_get_section_by_name (ibfd, V850_NOTE_SECNAME) != NULL)
2404 return v850_elf_make_note_section (info->input_bfds) != NULL;
2408 v850_elf_set_note (bfd * abfd, enum v850_notes note, unsigned int val)
2410 asection * notes = bfd_get_section_by_name (abfd, V850_NOTE_SECNAME);
2413 /* At the moment, no known note has a value over 2. */
2417 notes = v850_elf_make_note_section (abfd);
2421 v850_set_note (abfd, notes, note, val);
2425 /* Copy a v850 note section from one object module to another. */
2428 v850_elf_copy_notes (bfd *ibfd, bfd *obfd)
2433 /* If the output bfd does not have a note section, then
2434 skip the merge. The normal input to output section
2435 copying will take care of everythng for us. */
2436 if ((onotes = bfd_get_section_by_name (obfd, V850_NOTE_SECNAME)) == NULL)
2439 if ((inotes = bfd_get_section_by_name (ibfd, V850_NOTE_SECNAME)) == NULL)
2442 if (bfd_section_size (ibfd, inotes) == bfd_section_size (obfd, onotes))
2447 if ((icont = elf_section_data (inotes)->this_hdr.contents) == NULL)
2448 BFD_ASSERT (bfd_malloc_and_get_section (ibfd, inotes, & icont));
2450 if ((ocont = elf_section_data (onotes)->this_hdr.contents) == NULL)
2451 BFD_ASSERT (bfd_malloc_and_get_section (obfd, onotes, & ocont));
2453 /* Copy/overwrite notes from the input to the output. */
2454 memcpy (ocont, icont, bfd_section_size (obfd, onotes));
2458 /* Copy backend specific data from one object module to another. */
2461 v850_elf_copy_private_bfd_data (bfd *ibfd, bfd *obfd)
2463 v850_elf_copy_notes (ibfd, obfd);
2464 return _bfd_elf_copy_private_bfd_data (ibfd, obfd);
2466 #define bfd_elf32_bfd_copy_private_bfd_data v850_elf_copy_private_bfd_data
2469 v850_elf_merge_notes (bfd * ibfd, bfd *obfd)
2473 bfd_boolean result = TRUE;
2475 /* If the output bfd does not have a note section, then
2476 skip the merge. The normal input to output section
2477 copying will take care of everythng for us. */
2478 if ((onotes = bfd_get_section_by_name (obfd, V850_NOTE_SECNAME)) == NULL)
2481 if ((inotes = bfd_get_section_by_name (ibfd, V850_NOTE_SECNAME)) != NULL)
2487 BFD_ASSERT (bfd_section_size (ibfd, inotes) == bfd_section_size (obfd, onotes));
2489 if ((icont = elf_section_data (inotes)->this_hdr.contents) == NULL)
2490 BFD_ASSERT (bfd_malloc_and_get_section (ibfd, inotes, & icont));
2492 if ((ocont = elf_section_data (onotes)->this_hdr.contents) == NULL)
2493 BFD_ASSERT (bfd_malloc_and_get_section (obfd, onotes, & ocont));
2495 for (id = V850_NOTE_ALIGNMENT; id <= NUM_V850_NOTES; id++)
2499 bfd_byte * idata = icont + ((id - 1) * SIZEOF_V850_NOTE) + 16;
2500 bfd_byte * odata = ocont + ((id - 1) * SIZEOF_V850_NOTE) + 16;
2502 ival = bfd_get_32 (ibfd, idata);
2503 oval = bfd_get_32 (obfd, odata);
2505 if (ival == 0 || ival == oval)
2510 bfd_put_32 (obfd, ival, odata);
2511 v850_set_note (obfd, onotes, id, ival);
2515 /* We have a mismatch. The ABI defines how to handle
2516 this siutation on a per note type basis. */
2519 case V850_NOTE_ALIGNMENT:
2520 if (oval == EF_RH850_DATA_ALIGN4)
2523 (_("error: %B needs 8-byte aligment but %B is set for 4-byte alignment"),
2528 /* ibfd uses 4-byte alignment, obfd uses 8-byte alignment.
2529 Leave the obfd alignment as it is. */
2530 BFD_ASSERT (oval == EF_RH850_DATA_ALIGN8);
2534 case V850_NOTE_DATA_SIZE:
2535 if (oval == EF_RH850_DOUBLE32)
2537 _bfd_error_handler (_("error: %B uses 64-bit doubles but %B uses 32-bit doubles"),
2542 /* ibfd uses 32-bit doubles, obfd uses 64-bit doubles.
2543 This is acceptable. Honest, that is what the ABI says. */
2544 BFD_ASSERT (oval == EF_RH850_DOUBLE64);
2547 case V850_NOTE_FPU_INFO:
2548 if (oval == EF_RH850_FPU20)
2550 _bfd_error_handler (_("error: %B uses FPU-3.0 but %B only supports FPU-2.0"),
2555 /* ibfd uses FPU-2.0, obfd uses FPU-3.0. Leave obfd as it is. */
2556 BFD_ASSERT (oval == EF_RH850_FPU30);
2561 /* None of the other conflicts matter.
2562 Stick with the current output values. */
2567 /* FIXME: We should also check for conflicts between the notes
2568 and the EF flags in the ELF header. */
2575 print_v850_note (bfd * abfd, FILE * file, bfd_byte * data, enum v850_notes id)
2577 unsigned int value = bfd_get_32 (abfd, data + ((id - 1) * SIZEOF_V850_NOTE) + 16);
2581 case V850_NOTE_ALIGNMENT:
2582 fprintf (file, _(" alignment of 8-byte entities: "));
2585 case EF_RH850_DATA_ALIGN4: fprintf (file, _("4-byte")); break;
2586 case EF_RH850_DATA_ALIGN8: fprintf (file, _("8-byte")); break;
2587 case 0: fprintf (file, _("not set")); break;
2588 default: fprintf (file, _("unknown: %x"), value); break;
2593 case V850_NOTE_DATA_SIZE:
2594 fprintf (file, _(" size of doubles: "));
2597 case EF_RH850_DOUBLE32: fprintf (file, _("4-bytes")); break;
2598 case EF_RH850_DOUBLE64: fprintf (file, _("8-bytes")); break;
2599 case 0: fprintf (file, _("not set")); break;
2600 default: fprintf (file, _("unknown: %x"), value); break;
2605 case V850_NOTE_FPU_INFO:
2606 fprintf (file, _(" FPU support required: "));
2609 case EF_RH850_FPU20: fprintf (file, _("FPU-2.0")); break;
2610 case EF_RH850_FPU30: fprintf (file, _("FPU-3.0")); break;
2611 case 0: fprintf (file, _("none")); break;
2612 default: fprintf (file, _("unknown: %x"), value); break;
2617 case V850_NOTE_SIMD_INFO:
2618 fprintf (file, _("SIMD use: "));
2621 case EF_RH850_SIMD: fprintf (file, _("yes")); break;
2622 case 0: fprintf (file, _("no")); break;
2623 default: fprintf (file, _("unknown: %x"), value); break;
2628 case V850_NOTE_CACHE_INFO:
2629 fprintf (file, _("CACHE use: "));
2632 case EF_RH850_CACHE: fprintf (file, _("yes")); break;
2633 case 0: fprintf (file, _("no")); break;
2634 default: fprintf (file, _("unknown: %x"), value); break;
2639 case V850_NOTE_MMU_INFO:
2640 fprintf (file, _("MMU use: "));
2643 case EF_RH850_MMU: fprintf (file, _("yes")); break;
2644 case 0: fprintf (file, _("no")); break;
2645 default: fprintf (file, _("unknown: %x"), value); break;
2656 v850_elf_print_notes (bfd * abfd, FILE * file)
2658 asection * notes = bfd_get_section_by_name (abfd, V850_NOTE_SECNAME);
2661 if (notes == NULL || notes->contents == NULL)
2664 BFD_ASSERT (bfd_section_size (abfd, notes) == NUM_V850_NOTES * SIZEOF_V850_NOTE);
2666 for (id = V850_NOTE_ALIGNMENT; id <= NUM_V850_NOTES; id++)
2667 print_v850_note (abfd, file, notes->contents, id);
2670 /* Set the right machine number and architecture. */
2673 v850_elf_object_p (bfd *abfd)
2675 enum bfd_architecture arch;
2678 switch (elf_elfheader (abfd)->e_machine)
2681 arch = bfd_arch_v850_rh850;
2682 mach = (elf_elfheader (abfd)->e_flags & EF_V800_850E3)
2683 ? bfd_mach_v850e3v5 : bfd_mach_v850e2v3;
2686 case EM_CYGNUS_V850:
2688 arch = bfd_arch_v850;
2689 switch (elf_elfheader (abfd)->e_flags & EF_V850_ARCH)
2692 case E_V850_ARCH: mach = bfd_mach_v850; break;
2693 case E_V850E_ARCH: mach = bfd_mach_v850e; break;
2694 case E_V850E1_ARCH: mach = bfd_mach_v850e1; break;
2695 case E_V850E2_ARCH: mach = bfd_mach_v850e2; break;
2696 case E_V850E2V3_ARCH: mach = bfd_mach_v850e2v3; break;
2697 case E_V850E3V5_ARCH: mach = bfd_mach_v850e3v5; break;
2705 return bfd_default_set_arch_mach (abfd, arch, mach);
2708 /* Store the machine number in the flags field. */
2711 v850_elf_final_write_processing (bfd *abfd,
2712 bfd_boolean linker ATTRIBUTE_UNUSED)
2716 switch (bfd_get_arch (abfd))
2718 case bfd_arch_v850_rh850:
2720 if (bfd_get_mach (abfd) == bfd_mach_v850e3v5)
2721 val |= EF_V800_850E3;
2722 elf_elfheader (abfd)->e_flags |= val;
2726 switch (bfd_get_mach (abfd))
2729 case bfd_mach_v850: val = E_V850_ARCH; break;
2730 case bfd_mach_v850e: val = E_V850E_ARCH; break;
2731 case bfd_mach_v850e1: val = E_V850E1_ARCH; break;
2732 case bfd_mach_v850e2: val = E_V850E2_ARCH; break;
2733 case bfd_mach_v850e2v3: val = E_V850E2V3_ARCH; break;
2734 case bfd_mach_v850e3v5: val = E_V850E3V5_ARCH; break;
2736 elf_elfheader (abfd)->e_flags &=~ EF_V850_ARCH;
2737 elf_elfheader (abfd)->e_flags |= val;
2744 /* Function to keep V850 specific file flags. */
2747 v850_elf_set_private_flags (bfd *abfd, flagword flags)
2749 BFD_ASSERT (!elf_flags_init (abfd)
2750 || elf_elfheader (abfd)->e_flags == flags);
2752 elf_elfheader (abfd)->e_flags = flags;
2753 elf_flags_init (abfd) = TRUE;
2757 /* Merge backend specific data from an object file
2758 to the output object file when linking. */
2761 v850_elf_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
2765 bfd_boolean result = TRUE;
2767 if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour
2768 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
2771 result &= v850_elf_merge_notes (ibfd, obfd);
2773 in_flags = elf_elfheader (ibfd)->e_flags;
2774 out_flags = elf_elfheader (obfd)->e_flags;
2776 if (! elf_flags_init (obfd))
2778 /* If the input is the default architecture then do not
2779 bother setting the flags for the output architecture,
2780 instead allow future merges to do this. If no future
2781 merges ever set these flags then they will retain their
2782 unitialised values, which surprise surprise, correspond
2783 to the default values. */
2784 if (bfd_get_arch_info (ibfd)->the_default)
2787 elf_flags_init (obfd) = TRUE;
2788 elf_elfheader (obfd)->e_flags = in_flags;
2790 if (bfd_get_arch (obfd) == bfd_get_arch (ibfd)
2791 && bfd_get_arch_info (obfd)->the_default)
2792 result &= bfd_set_arch_mach (obfd, bfd_get_arch (ibfd), bfd_get_mach (ibfd));
2797 /* Check flag compatibility. */
2798 if (in_flags == out_flags)
2801 if (bfd_get_arch (obfd) == bfd_arch_v850_rh850)
2803 if ((in_flags & EF_V800_850E3) != (out_flags & EF_V800_850E3))
2805 _bfd_error_handler (_("%B: Architecture mismatch with previous modules"),
2807 elf_elfheader (obfd)->e_flags |= EF_V800_850E3;
2813 if ((in_flags & EF_V850_ARCH) != (out_flags & EF_V850_ARCH)
2814 && (in_flags & EF_V850_ARCH) != E_V850_ARCH)
2816 /* Allow earlier architecture binaries to be linked with later binaries.
2817 Set the output binary to the later architecture, except for v850e1,
2818 which we set to v850e. */
2819 if ( (in_flags & EF_V850_ARCH) == E_V850E1_ARCH
2820 && (out_flags & EF_V850_ARCH) == E_V850E_ARCH)
2823 if ( (in_flags & EF_V850_ARCH) == E_V850_ARCH
2824 && (out_flags & EF_V850_ARCH) == E_V850E_ARCH)
2826 elf_elfheader (obfd)->e_flags =
2827 ((out_flags & ~ EF_V850_ARCH) | E_V850E_ARCH);
2831 if (( (in_flags & EF_V850_ARCH) == E_V850_ARCH
2832 || (in_flags & EF_V850_ARCH) == E_V850E_ARCH)
2833 && (out_flags & EF_V850_ARCH) == E_V850E2_ARCH)
2835 elf_elfheader (obfd)->e_flags =
2836 ((out_flags & ~ EF_V850_ARCH) | E_V850E2_ARCH);
2840 if (( (in_flags & EF_V850_ARCH) == E_V850_ARCH
2841 || (in_flags & EF_V850_ARCH) == E_V850E_ARCH
2842 || (in_flags & EF_V850_ARCH) == E_V850E2_ARCH)
2843 && (out_flags & EF_V850_ARCH) == E_V850E2V3_ARCH)
2845 elf_elfheader (obfd)->e_flags =
2846 ((out_flags & ~ EF_V850_ARCH) | E_V850E2V3_ARCH);
2850 if (( (in_flags & EF_V850_ARCH) == E_V850_ARCH
2851 || (in_flags & EF_V850_ARCH) == E_V850E_ARCH
2852 || (in_flags & EF_V850_ARCH) == E_V850E2_ARCH
2853 || (in_flags & EF_V850_ARCH) == E_V850E2V3_ARCH)
2854 && (out_flags & EF_V850_ARCH) == E_V850E3V5_ARCH)
2856 elf_elfheader (obfd)->e_flags =
2857 ((out_flags & ~ EF_V850_ARCH) | E_V850E3V5_ARCH);
2861 _bfd_error_handler (_("%B: Architecture mismatch with previous modules"),
2868 /* Display the flags field. */
2871 v850_elf_print_private_bfd_data (bfd *abfd, void * ptr)
2873 FILE * file = (FILE *) ptr;
2875 BFD_ASSERT (abfd != NULL && ptr != NULL);
2877 _bfd_elf_print_private_bfd_data (abfd, ptr);
2879 /* xgettext:c-format. */
2880 fprintf (file, _("private flags = %lx: "), elf_elfheader (abfd)->e_flags);
2882 if (bfd_get_arch (abfd) == bfd_arch_v850_rh850)
2884 if ((elf_elfheader (abfd)->e_flags & EF_RH850_ABI) != EF_RH850_ABI)
2885 fprintf (file, _("unknown v850 architecture"));
2886 else if (elf_elfheader (abfd)->e_flags & EF_V800_850E3)
2887 fprintf (file, _("v850 E3 architecture"));
2889 fprintf (file, _("v850 architecture"));
2893 switch (elf_elfheader (abfd)->e_flags & EF_V850_ARCH)
2896 case E_V850_ARCH: fprintf (file, _("v850 architecture")); break;
2897 case E_V850E_ARCH: fprintf (file, _("v850e architecture")); break;
2898 case E_V850E1_ARCH: fprintf (file, _("v850e1 architecture")); break;
2899 case E_V850E2_ARCH: fprintf (file, _("v850e2 architecture")); break;
2900 case E_V850E2V3_ARCH: fprintf (file, _("v850e2v3 architecture")); break;
2901 case E_V850E3V5_ARCH: fprintf (file, _("v850e3v5 architecture")); break;
2907 v850_elf_print_notes (abfd, file);
2912 /* V850 ELF uses four common sections. One is the usual one, and the
2913 others are for (small) objects in one of the special data areas:
2914 small, tiny and zero. All the objects are kept together, and then
2915 referenced via the gp register, the ep register or the r0 register
2916 respectively, which yields smaller, faster assembler code. This
2917 approach is copied from elf32-mips.c. */
2919 static asection v850_elf_scom_section;
2920 static asymbol v850_elf_scom_symbol;
2921 static asymbol * v850_elf_scom_symbol_ptr;
2922 static asection v850_elf_tcom_section;
2923 static asymbol v850_elf_tcom_symbol;
2924 static asymbol * v850_elf_tcom_symbol_ptr;
2925 static asection v850_elf_zcom_section;
2926 static asymbol v850_elf_zcom_symbol;
2927 static asymbol * v850_elf_zcom_symbol_ptr;
2929 /* Given a BFD section, try to locate the
2930 corresponding ELF section index. */
2933 v850_elf_section_from_bfd_section (bfd *abfd ATTRIBUTE_UNUSED,
2937 if (strcmp (bfd_get_section_name (abfd, sec), ".scommon") == 0)
2938 *retval = SHN_V850_SCOMMON;
2939 else if (strcmp (bfd_get_section_name (abfd, sec), ".tcommon") == 0)
2940 *retval = SHN_V850_TCOMMON;
2941 else if (strcmp (bfd_get_section_name (abfd, sec), ".zcommon") == 0)
2942 *retval = SHN_V850_ZCOMMON;
2949 /* Handle the special V850 section numbers that a symbol may use. */
2952 v850_elf_symbol_processing (bfd *abfd, asymbol *asym)
2954 elf_symbol_type * elfsym = (elf_symbol_type *) asym;
2957 indx = elfsym->internal_elf_sym.st_shndx;
2959 /* If the section index is an "ordinary" index, then it may
2960 refer to a v850 specific section created by the assembler.
2961 Check the section's type and change the index it matches.
2963 FIXME: Should we alter the st_shndx field as well ? */
2965 if (indx < elf_numsections (abfd))
2966 switch (elf_elfsections (abfd)[indx]->sh_type)
2968 case SHT_V850_SCOMMON:
2969 indx = SHN_V850_SCOMMON;
2972 case SHT_V850_TCOMMON:
2973 indx = SHN_V850_TCOMMON;
2976 case SHT_V850_ZCOMMON:
2977 indx = SHN_V850_ZCOMMON;
2986 case SHN_V850_SCOMMON:
2987 if (v850_elf_scom_section.name == NULL)
2989 /* Initialize the small common section. */
2990 v850_elf_scom_section.name = ".scommon";
2991 v850_elf_scom_section.flags = SEC_IS_COMMON | SEC_ALLOC | SEC_DATA;
2992 v850_elf_scom_section.output_section = & v850_elf_scom_section;
2993 v850_elf_scom_section.symbol = & v850_elf_scom_symbol;
2994 v850_elf_scom_section.symbol_ptr_ptr = & v850_elf_scom_symbol_ptr;
2995 v850_elf_scom_symbol.name = ".scommon";
2996 v850_elf_scom_symbol.flags = BSF_SECTION_SYM;
2997 v850_elf_scom_symbol.section = & v850_elf_scom_section;
2998 v850_elf_scom_symbol_ptr = & v850_elf_scom_symbol;
3000 asym->section = & v850_elf_scom_section;
3001 asym->value = elfsym->internal_elf_sym.st_size;
3004 case SHN_V850_TCOMMON:
3005 if (v850_elf_tcom_section.name == NULL)
3007 /* Initialize the tcommon section. */
3008 v850_elf_tcom_section.name = ".tcommon";
3009 v850_elf_tcom_section.flags = SEC_IS_COMMON;
3010 v850_elf_tcom_section.output_section = & v850_elf_tcom_section;
3011 v850_elf_tcom_section.symbol = & v850_elf_tcom_symbol;
3012 v850_elf_tcom_section.symbol_ptr_ptr = & v850_elf_tcom_symbol_ptr;
3013 v850_elf_tcom_symbol.name = ".tcommon";
3014 v850_elf_tcom_symbol.flags = BSF_SECTION_SYM;
3015 v850_elf_tcom_symbol.section = & v850_elf_tcom_section;
3016 v850_elf_tcom_symbol_ptr = & v850_elf_tcom_symbol;
3018 asym->section = & v850_elf_tcom_section;
3019 asym->value = elfsym->internal_elf_sym.st_size;
3022 case SHN_V850_ZCOMMON:
3023 if (v850_elf_zcom_section.name == NULL)
3025 /* Initialize the zcommon section. */
3026 v850_elf_zcom_section.name = ".zcommon";
3027 v850_elf_zcom_section.flags = SEC_IS_COMMON;
3028 v850_elf_zcom_section.output_section = & v850_elf_zcom_section;
3029 v850_elf_zcom_section.symbol = & v850_elf_zcom_symbol;
3030 v850_elf_zcom_section.symbol_ptr_ptr = & v850_elf_zcom_symbol_ptr;
3031 v850_elf_zcom_symbol.name = ".zcommon";
3032 v850_elf_zcom_symbol.flags = BSF_SECTION_SYM;
3033 v850_elf_zcom_symbol.section = & v850_elf_zcom_section;
3034 v850_elf_zcom_symbol_ptr = & v850_elf_zcom_symbol;
3036 asym->section = & v850_elf_zcom_section;
3037 asym->value = elfsym->internal_elf_sym.st_size;
3042 /* Hook called by the linker routine which adds symbols from an object
3043 file. We must handle the special v850 section numbers here. */
3046 v850_elf_add_symbol_hook (bfd *abfd,
3047 struct bfd_link_info *info ATTRIBUTE_UNUSED,
3048 Elf_Internal_Sym *sym,
3049 const char **namep ATTRIBUTE_UNUSED,
3050 flagword *flagsp ATTRIBUTE_UNUSED,
3054 unsigned int indx = sym->st_shndx;
3056 /* If the section index is an "ordinary" index, then it may
3057 refer to a v850 specific section created by the assembler.
3058 Check the section's type and change the index it matches.
3060 FIXME: Should we alter the st_shndx field as well ? */
3062 if (indx < elf_numsections (abfd))
3063 switch (elf_elfsections (abfd)[indx]->sh_type)
3065 case SHT_V850_SCOMMON:
3066 indx = SHN_V850_SCOMMON;
3069 case SHT_V850_TCOMMON:
3070 indx = SHN_V850_TCOMMON;
3073 case SHT_V850_ZCOMMON:
3074 indx = SHN_V850_ZCOMMON;
3083 case SHN_V850_SCOMMON:
3084 *secp = bfd_make_section_old_way (abfd, ".scommon");
3085 (*secp)->flags |= SEC_IS_COMMON;
3086 *valp = sym->st_size;
3089 case SHN_V850_TCOMMON:
3090 *secp = bfd_make_section_old_way (abfd, ".tcommon");
3091 (*secp)->flags |= SEC_IS_COMMON;
3092 *valp = sym->st_size;
3095 case SHN_V850_ZCOMMON:
3096 *secp = bfd_make_section_old_way (abfd, ".zcommon");
3097 (*secp)->flags |= SEC_IS_COMMON;
3098 *valp = sym->st_size;
3106 v850_elf_link_output_symbol_hook (struct bfd_link_info *info ATTRIBUTE_UNUSED,
3107 const char *name ATTRIBUTE_UNUSED,
3108 Elf_Internal_Sym *sym,
3109 asection *input_sec,
3110 struct elf_link_hash_entry *h ATTRIBUTE_UNUSED)
3112 /* If we see a common symbol, which implies a relocatable link, then
3113 if a symbol was in a special common section in an input file, mark
3114 it as a special common in the output file. */
3116 if (sym->st_shndx == SHN_COMMON)
3118 if (strcmp (input_sec->name, ".scommon") == 0)
3119 sym->st_shndx = SHN_V850_SCOMMON;
3120 else if (strcmp (input_sec->name, ".tcommon") == 0)
3121 sym->st_shndx = SHN_V850_TCOMMON;
3122 else if (strcmp (input_sec->name, ".zcommon") == 0)
3123 sym->st_shndx = SHN_V850_ZCOMMON;
3126 /* The price we pay for using h->other unused bits as flags in the
3127 linker is cleaning up after ourselves. */
3129 sym->st_other &= ~(V850_OTHER_SDA | V850_OTHER_ZDA | V850_OTHER_TDA
3130 | V850_OTHER_ERROR);
3136 v850_elf_section_from_shdr (bfd *abfd,
3137 Elf_Internal_Shdr *hdr,
3141 /* There ought to be a place to keep ELF backend specific flags, but
3142 at the moment there isn't one. We just keep track of the
3143 sections by their name, instead. */
3145 if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex))
3148 switch (hdr->sh_type)
3150 case SHT_V850_SCOMMON:
3151 case SHT_V850_TCOMMON:
3152 case SHT_V850_ZCOMMON:
3153 if (! bfd_set_section_flags (abfd, hdr->bfd_section,
3154 (bfd_get_section_flags (abfd,
3163 /* Set the correct type for a V850 ELF section. We do this
3164 by the section name, which is a hack, but ought to work. */
3167 v850_elf_fake_sections (bfd *abfd ATTRIBUTE_UNUSED,
3168 Elf_Internal_Shdr *hdr,
3173 name = bfd_get_section_name (abfd, sec);
3175 if (strcmp (name, ".scommon") == 0)
3176 hdr->sh_type = SHT_V850_SCOMMON;
3177 else if (strcmp (name, ".tcommon") == 0)
3178 hdr->sh_type = SHT_V850_TCOMMON;
3179 else if (strcmp (name, ".zcommon") == 0)
3180 hdr->sh_type = SHT_V850_ZCOMMON;
3181 /* Tweak the section type of .note.renesas. */
3182 else if (strcmp (name, V850_NOTE_SECNAME) == 0)
3184 hdr->sh_type = SHT_RENESAS_INFO;
3185 hdr->sh_entsize = SIZEOF_V850_NOTE;
3191 /* Delete some bytes from a section while relaxing. */
3194 v850_elf_relax_delete_bytes (bfd *abfd,
3200 Elf_Internal_Shdr *symtab_hdr;
3201 Elf32_External_Sym *extsyms;
3202 Elf32_External_Sym *esym;
3203 Elf32_External_Sym *esymend;
3205 unsigned int sec_shndx;
3207 Elf_Internal_Rela *irel;
3208 Elf_Internal_Rela *irelend;
3209 struct elf_link_hash_entry *sym_hash;
3210 Elf_External_Sym_Shndx *shndx;
3212 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
3213 extsyms = (Elf32_External_Sym *) symtab_hdr->contents;
3215 sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
3217 contents = elf_section_data (sec)->this_hdr.contents;
3219 /* The deletion must stop at the next ALIGN reloc for an alignment
3220 power larger than the number of bytes we are deleting. */
3222 /* Actually delete the bytes. */
3223 #if (DEBUG_RELAX & 2)
3224 fprintf (stderr, "relax_delete: contents: sec: %s %p .. %p %x\n",
3225 sec->name, addr, toaddr, count );
3227 memmove (contents + addr, contents + addr + count,
3228 toaddr - addr - count);
3229 memset (contents + toaddr-count, 0, count);
3231 /* Adjust all the relocs. */
3232 irel = elf_section_data (sec)->relocs;
3233 irelend = irel + sec->reloc_count;
3234 if (elf_symtab_shndx_list (abfd))
3236 Elf_Internal_Shdr *shndx_hdr;
3238 shndx_hdr = & elf_symtab_shndx_list (abfd)->hdr;
3239 shndx = (Elf_External_Sym_Shndx *) shndx_hdr->contents;
3246 for (; irel < irelend; irel++)
3248 bfd_vma raddr, paddr, symval;
3249 Elf_Internal_Sym isym;
3251 /* Get the new reloc address. */
3252 raddr = irel->r_offset;
3253 if ((raddr >= (addr + count) && raddr < toaddr))
3254 irel->r_offset -= count;
3256 if (raddr >= addr && raddr < addr + count)
3258 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
3263 if (ELF32_R_TYPE (irel->r_info) == (int) R_V850_ALIGN)
3266 bfd_elf32_swap_symbol_in (abfd,
3267 extsyms + ELF32_R_SYM (irel->r_info),
3268 shndx ? shndx + ELF32_R_SYM (irel->r_info) : NULL,
3271 if (isym.st_shndx != sec_shndx)
3274 /* Get the value of the symbol referred to by the reloc. */
3275 if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
3277 symval = isym.st_value;
3278 #if (DEBUG_RELAX & 2)
3280 char * name = bfd_elf_string_from_elf_section
3281 (abfd, symtab_hdr->sh_link, isym.st_name);
3283 "relax_delete: local: sec: %s, sym: %s (%d), value: %x + %x + %x addend %x\n",
3284 sec->name, name, isym.st_name,
3285 sec->output_section->vma, sec->output_offset,
3286 isym.st_value, irel->r_addend);
3293 struct elf_link_hash_entry * h;
3295 /* An external symbol. */
3296 indx = ELF32_R_SYM (irel->r_info) - symtab_hdr->sh_info;
3298 h = elf_sym_hashes (abfd) [indx];
3299 BFD_ASSERT (h != NULL);
3301 symval = h->root.u.def.value;
3302 #if (DEBUG_RELAX & 2)
3304 "relax_delete: defined: sec: %s, name: %s, value: %x + %x + %x addend %x\n",
3305 sec->name, h->root.root.string, h->root.u.def.value,
3306 sec->output_section->vma, sec->output_offset, irel->r_addend);
3310 paddr = symval + irel->r_addend;
3312 if ( (symval >= addr + count && symval < toaddr)
3313 && (paddr < addr + count || paddr >= toaddr))
3314 irel->r_addend += count;
3315 else if ( (symval < addr + count || symval >= toaddr)
3316 && (paddr >= addr + count && paddr < toaddr))
3317 irel->r_addend -= count;
3320 /* Adjust the local symbols defined in this section. */
3322 esymend = esym + symtab_hdr->sh_info;
3324 for (; esym < esymend; esym++, shndx = (shndx ? shndx + 1 : NULL))
3326 Elf_Internal_Sym isym;
3328 bfd_elf32_swap_symbol_in (abfd, esym, shndx, & isym);
3330 if (isym.st_shndx == sec_shndx
3331 && isym.st_value >= addr + count
3332 && isym.st_value < toaddr)
3334 isym.st_value -= count;
3336 if (isym.st_value + isym.st_size >= toaddr)
3337 isym.st_size += count;
3339 bfd_elf32_swap_symbol_out (abfd, & isym, esym, shndx);
3341 else if (isym.st_shndx == sec_shndx
3342 && isym.st_value < addr + count)
3344 if (isym.st_value+isym.st_size >= addr + count
3345 && isym.st_value+isym.st_size < toaddr)
3346 isym.st_size -= count;
3348 if (isym.st_value >= addr
3349 && isym.st_value < addr + count)
3350 isym.st_value = addr;
3352 bfd_elf32_swap_symbol_out (abfd, & isym, esym, shndx);
3356 /* Now adjust the global symbols defined in this section. */
3357 esym = extsyms + symtab_hdr->sh_info;
3358 esymend = extsyms + (symtab_hdr->sh_size / sizeof (Elf32_External_Sym));
3360 for (sym_index = 0; esym < esymend; esym ++, sym_index ++)
3362 Elf_Internal_Sym isym;
3364 bfd_elf32_swap_symbol_in (abfd, esym, shndx, & isym);
3365 sym_hash = elf_sym_hashes (abfd) [sym_index];
3367 if (isym.st_shndx == sec_shndx
3368 && ((sym_hash)->root.type == bfd_link_hash_defined
3369 || (sym_hash)->root.type == bfd_link_hash_defweak)
3370 && (sym_hash)->root.u.def.section == sec
3371 && (sym_hash)->root.u.def.value >= addr + count
3372 && (sym_hash)->root.u.def.value < toaddr)
3374 if ((sym_hash)->root.u.def.value + isym.st_size >= toaddr)
3376 isym.st_size += count;
3377 bfd_elf32_swap_symbol_out (abfd, & isym, esym, shndx);
3380 (sym_hash)->root.u.def.value -= count;
3382 else if (isym.st_shndx == sec_shndx
3383 && ((sym_hash)->root.type == bfd_link_hash_defined
3384 || (sym_hash)->root.type == bfd_link_hash_defweak)
3385 && (sym_hash)->root.u.def.section == sec
3386 && (sym_hash)->root.u.def.value < addr + count)
3388 if ((sym_hash)->root.u.def.value+isym.st_size >= addr + count
3389 && (sym_hash)->root.u.def.value+isym.st_size < toaddr)
3390 isym.st_size -= count;
3392 if ((sym_hash)->root.u.def.value >= addr
3393 && (sym_hash)->root.u.def.value < addr + count)
3394 (sym_hash)->root.u.def.value = addr;
3396 bfd_elf32_swap_symbol_out (abfd, & isym, esym, shndx);
3406 #define NOP_OPCODE (0x0000)
3407 #define MOVHI 0x0640 /* 4byte. */
3408 #define MOVHI_MASK 0x07e0
3409 #define MOVHI_R1(insn) ((insn) & 0x1f) /* 4byte. */
3410 #define MOVHI_R2(insn) ((insn) >> 11)
3411 #define MOVEA 0x0620 /* 2byte. */
3412 #define MOVEA_MASK 0x07e0
3413 #define MOVEA_R1(insn) ((insn) & 0x1f)
3414 #define MOVEA_R2(insn) ((insn) >> 11)
3415 #define JARL_4 0x00040780 /* 4byte. */
3416 #define JARL_4_MASK 0xFFFF07FF
3417 #define JARL_R2(insn) (int)(((insn) & (~JARL_4_MASK)) >> 11)
3418 #define ADD_I 0x0240 /* 2byte. */
3419 #define ADD_I_MASK 0x07e0
3420 #define ADD_I5(insn) ((((insn) & 0x001f) << 11) >> 11) /* 2byte. */
3421 #define ADD_R2(insn) ((insn) >> 11)
3422 #define JMP_R 0x0060 /* 2byte. */
3423 #define JMP_R_MASK 0xFFE0
3424 #define JMP_R1(insn) ((insn) & 0x1f)
3427 v850_elf_relax_section (bfd *abfd,
3429 struct bfd_link_info *link_info,
3432 Elf_Internal_Shdr *symtab_hdr;
3433 Elf_Internal_Rela *internal_relocs;
3434 Elf_Internal_Rela *irel;
3435 Elf_Internal_Rela *irelend;
3436 Elf_Internal_Rela *irelalign = NULL;
3437 Elf_Internal_Sym *isymbuf = NULL;
3438 bfd_byte *contents = NULL;
3441 int align_pad_size = 0;
3442 bfd_boolean result = TRUE;
3446 if (bfd_link_relocatable (link_info)
3447 || (sec->flags & SEC_RELOC) == 0
3448 || sec->reloc_count == 0)
3451 symtab_hdr = & elf_tdata (abfd)->symtab_hdr;
3453 internal_relocs = (_bfd_elf_link_read_relocs
3454 (abfd, sec, NULL, NULL, link_info->keep_memory));
3455 if (internal_relocs == NULL)
3458 irelend = internal_relocs + sec->reloc_count;
3460 while (addr < sec->size)
3464 for (irel = internal_relocs; irel < irelend; irel ++)
3465 if (ELF32_R_TYPE (irel->r_info) == (int) R_V850_ALIGN
3466 && irel->r_offset > addr
3467 && irel->r_offset < toaddr)
3468 toaddr = irel->r_offset;
3471 fprintf (stderr, "relax region 0x%x to 0x%x align pad %d\n",
3472 addr, toaddr, align_pad_size);
3477 bfd_vma alignmoveto;
3479 alignmoveto = BFD_ALIGN (addr - align_pad_size, 1 << irelalign->r_addend);
3480 alignto = BFD_ALIGN (addr, 1 << irelalign->r_addend);
3482 if (alignmoveto < alignto)
3486 align_pad_size = alignto - alignmoveto;
3488 fprintf (stderr, "relax move region 0x%x to 0x%x delete size 0x%x\n",
3489 alignmoveto, toaddr, align_pad_size);
3491 if (!v850_elf_relax_delete_bytes (abfd, sec, alignmoveto,
3492 toaddr, align_pad_size))
3495 for (i = BFD_ALIGN (toaddr - align_pad_size, 1);
3496 (i + 1) < toaddr; i += 2)
3497 bfd_put_16 (abfd, NOP_OPCODE, contents + i);
3505 for (irel = internal_relocs; irel < irelend; irel++)
3512 Elf_Internal_Rela *hi_irelfn;
3513 Elf_Internal_Rela *lo_irelfn;
3514 Elf_Internal_Rela *irelcall;
3515 bfd_signed_vma foff;
3516 unsigned int r_type;
3518 if (! (irel->r_offset >= addr && irel->r_offset < toaddr
3519 && (ELF32_R_TYPE (irel->r_info) == (int) R_V850_LONGCALL
3520 || ELF32_R_TYPE (irel->r_info) == (int) R_V850_LONGJUMP)))
3524 fprintf (stderr, "relax check r_info 0x%x r_offset 0x%x r_addend 0x%x\n",
3530 /* Get the section contents. */
3531 if (contents == NULL)
3533 if (elf_section_data (sec)->this_hdr.contents != NULL)
3534 contents = elf_section_data (sec)->this_hdr.contents;
3537 if (! bfd_malloc_and_get_section (abfd, sec, &contents))
3542 /* Read this BFD's local symbols if we haven't done so already. */
3543 if (isymbuf == NULL && symtab_hdr->sh_info != 0)
3545 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
3546 if (isymbuf == NULL)
3547 isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
3548 symtab_hdr->sh_info, 0,
3550 if (isymbuf == NULL)
3554 laddr = irel->r_offset;
3556 if (ELF32_R_TYPE (irel->r_info) == (int) R_V850_LONGCALL)
3558 /* Check code for -mlong-calls output. */
3559 if (laddr + 16 <= (bfd_vma) sec->size)
3561 insn[0] = bfd_get_16 (abfd, contents + laddr);
3562 insn[1] = bfd_get_16 (abfd, contents + laddr + 4);
3563 insn[2] = bfd_get_32 (abfd, contents + laddr + 8);
3564 insn[3] = bfd_get_16 (abfd, contents + laddr + 12);
3565 insn[4] = bfd_get_16 (abfd, contents + laddr + 14);
3567 if ((insn[0] & MOVHI_MASK) != MOVHI
3568 || MOVHI_R1 (insn[0]) != 0)
3572 && ((insn[1] & MOVEA_MASK) != MOVEA
3573 || MOVHI_R2 (insn[0]) != MOVEA_R1 (insn[1])))
3577 && (insn[2] & JARL_4_MASK) != JARL_4)
3581 && ((insn[3] & ADD_I_MASK) != ADD_I
3582 || ADD_I5 (insn[3]) != 4
3583 || JARL_R2 (insn[2]) != ADD_R2 (insn[3])))
3587 && ((insn[4] & JMP_R_MASK) != JMP_R
3588 || MOVEA_R2 (insn[1]) != JMP_R1 (insn[4])))
3593 ((*_bfd_error_handler)
3594 ("%s: 0x%lx: warning: R_V850_LONGCALL points to unrecognized insns",
3595 bfd_get_filename (abfd), (unsigned long) irel->r_offset));
3602 ((*_bfd_error_handler)
3603 ("%s: 0x%lx: warning: R_V850_LONGCALL points to unrecognized insn 0x%x",
3604 bfd_get_filename (abfd), (unsigned long) irel->r_offset+no_match, insn[no_match]));
3609 /* Get the reloc for the address from which the register is
3610 being loaded. This reloc will tell us which function is
3611 actually being called. */
3613 for (hi_irelfn = internal_relocs; hi_irelfn < irelend; hi_irelfn ++)
3615 r_type = ELF32_R_TYPE (hi_irelfn->r_info);
3617 if (hi_irelfn->r_offset == laddr + 2
3618 && (r_type == (int) R_V850_HI16_S || r_type == (int) R_V810_WHI1))
3622 for (lo_irelfn = internal_relocs; lo_irelfn < irelend; lo_irelfn ++)
3624 r_type = ELF32_R_TYPE (lo_irelfn->r_info);
3626 if (lo_irelfn->r_offset == laddr + 6
3627 && (r_type == (int) R_V850_LO16 || r_type == (int) R_V810_WLO))
3631 for (irelcall = internal_relocs; irelcall < irelend; irelcall ++)
3633 r_type = ELF32_R_TYPE (irelcall->r_info);
3635 if (irelcall->r_offset == laddr + 8
3636 && (r_type == (int) R_V850_22_PCREL || r_type == (int) R_V850_PCR22))
3640 if ( hi_irelfn == irelend
3641 || lo_irelfn == irelend
3642 || irelcall == irelend)
3644 ((*_bfd_error_handler)
3645 ("%s: 0x%lx: warning: R_V850_LONGCALL points to unrecognized reloc",
3646 bfd_get_filename (abfd), (unsigned long) irel->r_offset ));
3651 if (ELF32_R_SYM (irelcall->r_info) < symtab_hdr->sh_info)
3653 Elf_Internal_Sym * isym;
3655 /* A local symbol. */
3656 isym = isymbuf + ELF32_R_SYM (irelcall->r_info);
3658 symval = isym->st_value;
3663 struct elf_link_hash_entry * h;
3665 /* An external symbol. */
3666 indx = ELF32_R_SYM (irelcall->r_info) - symtab_hdr->sh_info;
3667 h = elf_sym_hashes (abfd)[indx];
3668 BFD_ASSERT (h != NULL);
3670 if ( h->root.type != bfd_link_hash_defined
3671 && h->root.type != bfd_link_hash_defweak)
3672 /* This appears to be a reference to an undefined
3673 symbol. Just ignore it--it will be caught by the
3674 regular reloc processing. */
3677 symval = h->root.u.def.value;
3680 if (symval + irelcall->r_addend != irelcall->r_offset + 4)
3682 ((*_bfd_error_handler)
3683 ("%s: 0x%lx: warning: R_V850_LONGCALL points to unrecognized reloc 0x%lx",
3684 bfd_get_filename (abfd), (unsigned long) irel->r_offset, irelcall->r_offset ));
3689 /* Get the value of the symbol referred to by the reloc. */
3690 if (ELF32_R_SYM (hi_irelfn->r_info) < symtab_hdr->sh_info)
3692 Elf_Internal_Sym *isym;
3695 /* A local symbol. */
3696 isym = isymbuf + ELF32_R_SYM (hi_irelfn->r_info);
3698 if (isym->st_shndx == SHN_UNDEF)
3699 sym_sec = bfd_und_section_ptr;
3700 else if (isym->st_shndx == SHN_ABS)
3701 sym_sec = bfd_abs_section_ptr;
3702 else if (isym->st_shndx == SHN_COMMON)
3703 sym_sec = bfd_com_section_ptr;
3705 sym_sec = bfd_section_from_elf_index (abfd, isym->st_shndx);
3706 symval = (isym->st_value
3707 + sym_sec->output_section->vma
3708 + sym_sec->output_offset);
3713 struct elf_link_hash_entry *h;
3715 /* An external symbol. */
3716 indx = ELF32_R_SYM (hi_irelfn->r_info) - symtab_hdr->sh_info;
3717 h = elf_sym_hashes (abfd)[indx];
3718 BFD_ASSERT (h != NULL);
3720 if ( h->root.type != bfd_link_hash_defined
3721 && h->root.type != bfd_link_hash_defweak)
3722 /* This appears to be a reference to an undefined
3723 symbol. Just ignore it--it will be caught by the
3724 regular reloc processing. */
3727 symval = (h->root.u.def.value
3728 + h->root.u.def.section->output_section->vma
3729 + h->root.u.def.section->output_offset);
3732 addend = irel->r_addend;
3734 foff = (symval + addend
3736 + sec->output_section->vma
3737 + sec->output_offset
3740 fprintf (stderr, "relax longcall r_offset 0x%x ptr 0x%x symbol 0x%x addend 0x%x distance 0x%x\n",
3743 + sec->output_section->vma
3744 + sec->output_offset),
3745 symval, addend, foff);
3748 if (foff < -0x100000 || foff >= 0x100000)
3749 /* After all that work, we can't shorten this function call. */
3752 /* For simplicity of coding, we are going to modify the section
3753 contents, the section relocs, and the BFD symbol table. We
3754 must tell the rest of the code not to free up this
3755 information. It would be possible to instead create a table
3756 of changes which have to be made, as is done in coff-mips.c;
3757 that would be more work, but would require less memory when
3758 the linker is run. */
3759 elf_section_data (sec)->relocs = internal_relocs;
3760 elf_section_data (sec)->this_hdr.contents = contents;
3761 symtab_hdr->contents = (bfd_byte *) isymbuf;
3763 /* Replace the long call with a jarl. */
3764 if (bfd_get_arch (abfd) == bfd_arch_v850_rh850)
3765 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (hi_irelfn->r_info), R_V850_PCR22);
3767 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (hi_irelfn->r_info), R_V850_22_PCREL);
3771 if (ELF32_R_SYM (hi_irelfn->r_info) < symtab_hdr->sh_info)
3772 /* If this needs to be changed because of future relaxing,
3773 it will be handled here like other internal IND12W
3776 0x00000780 | (JARL_R2 (insn[2])<<11) | ((addend << 16) & 0xffff) | ((addend >> 16) & 0xf),
3777 contents + irel->r_offset);
3779 /* We can't fully resolve this yet, because the external
3780 symbol value may be changed by future relaxing.
3781 We let the final link phase handle it. */
3782 bfd_put_32 (abfd, 0x00000780 | (JARL_R2 (insn[2])<<11),
3783 contents + irel->r_offset);
3786 ELF32_R_INFO (ELF32_R_SYM (hi_irelfn->r_info), R_V850_NONE);
3788 ELF32_R_INFO (ELF32_R_SYM (lo_irelfn->r_info), R_V850_NONE);
3790 ELF32_R_INFO (ELF32_R_SYM (irelcall->r_info), R_V850_NONE);
3792 if (! v850_elf_relax_delete_bytes (abfd, sec,
3793 irel->r_offset + 4, toaddr, 12))
3796 align_pad_size += 12;
3798 else if (ELF32_R_TYPE (irel->r_info) == (int) R_V850_LONGJUMP)
3800 /* Check code for -mlong-jumps output. */
3801 if (laddr + 10 <= (bfd_vma) sec->size)
3803 insn[0] = bfd_get_16 (abfd, contents + laddr);
3804 insn[1] = bfd_get_16 (abfd, contents + laddr + 4);
3805 insn[2] = bfd_get_16 (abfd, contents + laddr + 8);
3807 if ((insn[0] & MOVHI_MASK) != MOVHI
3808 || MOVHI_R1 (insn[0]) != 0)
3812 && ((insn[1] & MOVEA_MASK) != MOVEA
3813 || MOVHI_R2 (insn[0]) != MOVEA_R1 (insn[1])))
3817 && ((insn[2] & JMP_R_MASK) != JMP_R
3818 || MOVEA_R2 (insn[1]) != JMP_R1 (insn[2])))
3823 ((*_bfd_error_handler)
3824 ("%s: 0x%lx: warning: R_V850_LONGJUMP points to unrecognized insns",
3825 bfd_get_filename (abfd), (unsigned long) irel->r_offset));
3832 ((*_bfd_error_handler)
3833 ("%s: 0x%lx: warning: R_V850_LONGJUMP points to unrecognized insn 0x%x",
3834 bfd_get_filename (abfd), (unsigned long) irel->r_offset+no_match, insn[no_match]));
3839 /* Get the reloc for the address from which the register is
3840 being loaded. This reloc will tell us which function is
3841 actually being called. */
3842 for (hi_irelfn = internal_relocs; hi_irelfn < irelend; hi_irelfn ++)
3844 r_type = ELF32_R_TYPE (hi_irelfn->r_info);
3846 if (hi_irelfn->r_offset == laddr + 2
3847 && ((r_type == (int) R_V850_HI16_S) || r_type == (int) R_V810_WHI1))
3851 for (lo_irelfn = internal_relocs; lo_irelfn < irelend; lo_irelfn ++)
3853 r_type = ELF32_R_TYPE (lo_irelfn->r_info);
3855 if (lo_irelfn->r_offset == laddr + 6
3856 && (r_type == (int) R_V850_LO16 || r_type == (int) R_V810_WLO))
3860 if ( hi_irelfn == irelend
3861 || lo_irelfn == irelend)
3863 ((*_bfd_error_handler)
3864 ("%s: 0x%lx: warning: R_V850_LONGJUMP points to unrecognized reloc",
3865 bfd_get_filename (abfd), (unsigned long) irel->r_offset ));
3870 /* Get the value of the symbol referred to by the reloc. */
3871 if (ELF32_R_SYM (hi_irelfn->r_info) < symtab_hdr->sh_info)
3873 Elf_Internal_Sym * isym;
3876 /* A local symbol. */
3877 isym = isymbuf + ELF32_R_SYM (hi_irelfn->r_info);
3879 if (isym->st_shndx == SHN_UNDEF)
3880 sym_sec = bfd_und_section_ptr;
3881 else if (isym->st_shndx == SHN_ABS)
3882 sym_sec = bfd_abs_section_ptr;
3883 else if (isym->st_shndx == SHN_COMMON)
3884 sym_sec = bfd_com_section_ptr;
3886 sym_sec = bfd_section_from_elf_index (abfd, isym->st_shndx);
3887 symval = (isym->st_value
3888 + sym_sec->output_section->vma
3889 + sym_sec->output_offset);
3892 char * name = bfd_elf_string_from_elf_section
3893 (abfd, symtab_hdr->sh_link, isym->st_name);
3895 fprintf (stderr, "relax long jump local: sec: %s, sym: %s (%d), value: %x + %x + %x addend %x\n",
3896 sym_sec->name, name, isym->st_name,
3897 sym_sec->output_section->vma,
3898 sym_sec->output_offset,
3899 isym->st_value, irel->r_addend);
3906 struct elf_link_hash_entry * h;
3908 /* An external symbol. */
3909 indx = ELF32_R_SYM (irel->r_info) - symtab_hdr->sh_info;
3910 h = elf_sym_hashes (abfd)[indx];
3911 BFD_ASSERT (h != NULL);
3913 if ( h->root.type != bfd_link_hash_defined
3914 && h->root.type != bfd_link_hash_defweak)
3915 /* This appears to be a reference to an undefined
3916 symbol. Just ignore it--it will be caught by the
3917 regular reloc processing. */
3920 symval = (h->root.u.def.value
3921 + h->root.u.def.section->output_section->vma
3922 + h->root.u.def.section->output_offset);
3925 "relax longjump defined: sec: %s, name: %s, value: %x + %x + %x addend %x\n",
3926 sec->name, h->root.root.string, h->root.u.def.value,
3927 sec->output_section->vma, sec->output_offset, irel->r_addend);
3931 addend = irel->r_addend;
3933 foff = (symval + addend
3935 + sec->output_section->vma
3936 + sec->output_offset
3939 fprintf (stderr, "relax longjump r_offset 0x%x ptr 0x%x symbol 0x%x addend 0x%x distance 0x%x\n",
3942 + sec->output_section->vma
3943 + sec->output_offset),
3944 symval, addend, foff);
3946 if (foff < -0x100000 || foff >= 0x100000)
3947 /* After all that work, we can't shorten this function call. */
3950 /* For simplicity of coding, we are going to modify the section
3951 contents, the section relocs, and the BFD symbol table. We
3952 must tell the rest of the code not to free up this
3953 information. It would be possible to instead create a table
3954 of changes which have to be made, as is done in coff-mips.c;
3955 that would be more work, but would require less memory when
3956 the linker is run. */
3957 elf_section_data (sec)->relocs = internal_relocs;
3958 elf_section_data (sec)->this_hdr.contents = contents;
3959 symtab_hdr->contents = (bfd_byte *) isymbuf;
3961 if (foff < -0x100 || foff >= 0x100)
3963 /* Replace the long jump with a jr. */
3965 if (bfd_get_arch (abfd) == bfd_arch_v850_rh850)
3966 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info), R_V850_PCR22);
3969 ELF32_R_INFO (ELF32_R_SYM (irel->r_info), R_V850_22_PCREL);
3971 irel->r_addend = addend;
3974 if (ELF32_R_SYM (hi_irelfn->r_info) < symtab_hdr->sh_info)
3975 /* If this needs to be changed because of future relaxing,
3976 it will be handled here like other internal IND12W
3979 0x00000780 | ((addend << 15) & 0xffff0000) | ((addend >> 17) & 0xf),
3980 contents + irel->r_offset);
3982 /* We can't fully resolve this yet, because the external
3983 symbol value may be changed by future relaxing.
3984 We let the final link phase handle it. */
3985 bfd_put_32 (abfd, 0x00000780, contents + irel->r_offset);
3988 ELF32_R_INFO (ELF32_R_SYM (hi_irelfn->r_info), R_V850_NONE);
3990 ELF32_R_INFO (ELF32_R_SYM (lo_irelfn->r_info), R_V850_NONE);
3991 if (!v850_elf_relax_delete_bytes (abfd, sec,
3992 irel->r_offset + 4, toaddr, 6))
3995 align_pad_size += 6;
3999 /* Replace the long jump with a br. */
4001 if (bfd_get_arch (abfd) == bfd_arch_v850_rh850)
4002 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info), R_V850_PC9);
4005 ELF32_R_INFO (ELF32_R_SYM (irel->r_info), R_V850_9_PCREL);
4007 irel->r_addend = addend;
4010 if (ELF32_R_SYM (hi_irelfn->r_info) < symtab_hdr->sh_info)
4011 /* If this needs to be changed because of future relaxing,
4012 it will be handled here like other internal IND12W
4015 0x0585 | ((addend << 10) & 0xf800) | ((addend << 3) & 0x0070),
4016 contents + irel->r_offset);
4018 /* We can't fully resolve this yet, because the external
4019 symbol value may be changed by future relaxing.
4020 We let the final link phase handle it. */
4021 bfd_put_16 (abfd, 0x0585, contents + irel->r_offset);
4024 ELF32_R_INFO (ELF32_R_SYM (hi_irelfn->r_info), R_V850_NONE);
4026 ELF32_R_INFO (ELF32_R_SYM (lo_irelfn->r_info), R_V850_NONE);
4027 if (!v850_elf_relax_delete_bytes (abfd, sec,
4028 irel->r_offset + 2, toaddr, 8))
4031 align_pad_size += 8;
4037 for (irel = internal_relocs; irel < irelend; irel++)
4039 if (ELF32_R_TYPE (irel->r_info) == (int) R_V850_ALIGN
4040 && irel->r_offset == toaddr)
4042 irel->r_offset -= align_pad_size;
4044 if (irelalign == NULL || irelalign->r_addend > irel->r_addend)
4055 fprintf (stderr, "relax pad %d shorten %d -> %d\n",
4058 sec->size - align_pad_size);
4060 sec->size -= align_pad_size;
4064 if (internal_relocs != NULL
4065 && elf_section_data (sec)->relocs != internal_relocs)
4066 free (internal_relocs);
4068 if (contents != NULL
4069 && elf_section_data (sec)->this_hdr.contents != (unsigned char *) contents)
4073 && symtab_hdr->contents != (bfd_byte *) isymbuf)
4083 static const struct bfd_elf_special_section v850_elf_special_sections[] =
4085 { STRING_COMMA_LEN (".call_table_data"), 0, SHT_PROGBITS, (SHF_ALLOC + SHF_WRITE) },
4086 { STRING_COMMA_LEN (".call_table_text"), 0, SHT_PROGBITS, (SHF_ALLOC + SHF_WRITE
4088 { STRING_COMMA_LEN (".rosdata"), -2, SHT_PROGBITS, (SHF_ALLOC
4089 + SHF_V850_GPREL) },
4090 { STRING_COMMA_LEN (".rozdata"), -2, SHT_PROGBITS, (SHF_ALLOC
4091 + SHF_V850_R0REL) },
4092 { STRING_COMMA_LEN (".sbss"), -2, SHT_NOBITS, (SHF_ALLOC + SHF_WRITE
4093 + SHF_V850_GPREL) },
4094 { STRING_COMMA_LEN (".scommon"), -2, SHT_V850_SCOMMON, (SHF_ALLOC + SHF_WRITE
4095 + SHF_V850_GPREL) },
4096 { STRING_COMMA_LEN (".sdata"), -2, SHT_PROGBITS, (SHF_ALLOC + SHF_WRITE
4097 + SHF_V850_GPREL) },
4098 { STRING_COMMA_LEN (".tbss"), -2, SHT_NOBITS, (SHF_ALLOC + SHF_WRITE
4099 + SHF_V850_EPREL) },
4100 { STRING_COMMA_LEN (".tcommon"), -2, SHT_V850_TCOMMON, (SHF_ALLOC + SHF_WRITE
4101 + SHF_V850_R0REL) },
4102 { STRING_COMMA_LEN (".tdata"), -2, SHT_PROGBITS, (SHF_ALLOC + SHF_WRITE
4103 + SHF_V850_EPREL) },
4104 { STRING_COMMA_LEN (".zbss"), -2, SHT_NOBITS, (SHF_ALLOC + SHF_WRITE
4105 + SHF_V850_R0REL) },
4106 { STRING_COMMA_LEN (".zcommon"), -2, SHT_V850_ZCOMMON, (SHF_ALLOC + SHF_WRITE
4107 + SHF_V850_R0REL) },
4108 { STRING_COMMA_LEN (".zdata"), -2, SHT_PROGBITS, (SHF_ALLOC + SHF_WRITE
4109 + SHF_V850_R0REL) },
4110 { NULL, 0, 0, 0, 0 }
4113 #define TARGET_LITTLE_SYM v850_elf32_vec
4114 #define TARGET_LITTLE_NAME "elf32-v850"
4115 #define ELF_ARCH bfd_arch_v850
4116 #define ELF_MACHINE_CODE EM_V850
4117 #define ELF_MACHINE_ALT1 EM_CYGNUS_V850
4118 #define ELF_MAXPAGESIZE 0x1000
4120 #define elf_info_to_howto v850_elf_info_to_howto_rela
4121 #define elf_info_to_howto_rel v850_elf_info_to_howto_rel
4123 #define elf_backend_check_relocs v850_elf_check_relocs
4124 #define elf_backend_relocate_section v850_elf_relocate_section
4125 #define elf_backend_object_p v850_elf_object_p
4126 #define elf_backend_final_write_processing v850_elf_final_write_processing
4127 #define elf_backend_section_from_bfd_section v850_elf_section_from_bfd_section
4128 #define elf_backend_symbol_processing v850_elf_symbol_processing
4129 #define elf_backend_add_symbol_hook v850_elf_add_symbol_hook
4130 #define elf_backend_link_output_symbol_hook v850_elf_link_output_symbol_hook
4131 #define elf_backend_section_from_shdr v850_elf_section_from_shdr
4132 #define elf_backend_fake_sections v850_elf_fake_sections
4133 #define elf_backend_gc_mark_hook v850_elf_gc_mark_hook
4134 #define elf_backend_special_sections v850_elf_special_sections
4136 #define elf_backend_can_gc_sections 1
4137 #define elf_backend_rela_normal 1
4139 #define bfd_elf32_bfd_is_local_label_name v850_elf_is_local_label_name
4140 #define bfd_elf32_bfd_is_target_special_symbol v850_elf_is_target_special_symbol
4142 #define bfd_elf32_bfd_reloc_type_lookup v850_elf_reloc_type_lookup
4143 #define bfd_elf32_bfd_reloc_name_lookup v850_elf_reloc_name_lookup
4144 #define bfd_elf32_bfd_merge_private_bfd_data v850_elf_merge_private_bfd_data
4145 #define bfd_elf32_bfd_set_private_flags v850_elf_set_private_flags
4146 #define bfd_elf32_bfd_print_private_bfd_data v850_elf_print_private_bfd_data
4147 #define bfd_elf32_bfd_relax_section v850_elf_relax_section
4149 #define elf_symbol_leading_char '_'
4152 #define elf32_bed elf32_v850_bed
4154 #include "elf32-target.h"
4156 /* Map BFD reloc types to V800 ELF reloc types. */
4158 static const struct v850_elf_reloc_map v800_elf_reloc_map[] =
4160 { BFD_RELOC_NONE, R_V810_NONE },
4161 { BFD_RELOC_8, R_V810_BYTE },
4162 { BFD_RELOC_16, R_V810_HWORD },
4163 { BFD_RELOC_32, R_V810_WORD },
4164 { BFD_RELOC_LO16, R_V810_WLO },
4165 { BFD_RELOC_HI16, R_V810_WHI },
4166 { BFD_RELOC_HI16_S, R_V810_WHI1 },
4167 { BFD_RELOC_V850_32_PCREL, R_V850_PC32 },
4168 { BFD_RELOC_V850_22_PCREL, R_V850_PCR22 },
4169 { BFD_RELOC_V850_17_PCREL, R_V850_PC17 },
4170 { BFD_RELOC_V850_16_PCREL, R_V850_PC16U },
4171 { BFD_RELOC_V850_9_PCREL, R_V850_PC9 },
4172 { BFD_RELOC_V850_LO16_S1, R_V810_WLO_1 }, /* Or R_V850_HWLO or R_V850_HWLO_1. */
4173 { BFD_RELOC_V850_23, R_V850_WLO23 },
4174 { BFD_RELOC_V850_LO16_SPLIT_OFFSET, R_V850_BLO },
4175 { BFD_RELOC_V850_ZDA_16_16_OFFSET, R_V810_HWORD },
4176 { BFD_RELOC_V850_TDA_16_16_OFFSET, R_V810_HWORD },
4177 { BFD_RELOC_V850_SDA_16_16_OFFSET, R_V810_HWORD },
4178 { BFD_RELOC_V850_SDA_15_16_OFFSET, R_V810_GPWLO_1 }
4181 /* Map a bfd relocation into the appropriate howto structure. */
4183 static reloc_howto_type *
4184 v800_elf_reloc_type_lookup (bfd * abfd, bfd_reloc_code_real_type code)
4188 BFD_ASSERT (bfd_get_arch (abfd) == bfd_arch_v850_rh850);
4190 for (i = ARRAY_SIZE (v800_elf_reloc_map); i --;)
4191 if (v800_elf_reloc_map[i].bfd_reloc_val == code)
4193 unsigned int elf_reloc_val = v800_elf_reloc_map[i].elf_reloc_val;
4194 unsigned int idx = elf_reloc_val - R_V810_NONE;
4196 BFD_ASSERT (v800_elf_howto_table[idx].type == elf_reloc_val);
4198 return v800_elf_howto_table + idx;
4202 fprintf (stderr, "failed to find v800 equiv of bfd reloc code %d\n", code);
4207 static reloc_howto_type *
4208 v800_elf_reloc_name_lookup (bfd * abfd, const char * r_name)
4212 BFD_ASSERT (bfd_get_arch (abfd) == bfd_arch_v850_rh850);
4214 for (i = ARRAY_SIZE (v800_elf_howto_table); i--;)
4215 if (v800_elf_howto_table[i].name != NULL
4216 && strcasecmp (v800_elf_howto_table[i].name, r_name) == 0)
4217 return v800_elf_howto_table + i;
4223 /* Set the howto pointer in CACHE_PTR for a V800 ELF reloc. */
4226 v800_elf_info_to_howto (bfd * abfd,
4227 arelent * cache_ptr,
4228 Elf_Internal_Rela * dst)
4230 unsigned int r_type = ELF32_R_TYPE (dst->r_info);
4232 BFD_ASSERT (bfd_get_arch (abfd) == bfd_arch_v850_rh850);
4234 BFD_ASSERT (r_type < (unsigned int) R_V800_max);
4236 if (r_type == R_V800_NONE)
4237 r_type = R_V810_NONE;
4239 BFD_ASSERT (r_type >= (unsigned int) R_V810_NONE);
4240 r_type -= R_V810_NONE;
4241 BFD_ASSERT (r_type < ARRAY_SIZE (v800_elf_howto_table));
4243 cache_ptr->howto = v800_elf_howto_table + r_type;
4246 #undef TARGET_LITTLE_SYM
4247 #define TARGET_LITTLE_SYM v800_elf32_vec
4248 #undef TARGET_LITTLE_NAME
4249 #define TARGET_LITTLE_NAME "elf32-v850-rh850"
4251 #define ELF_ARCH bfd_arch_v850_rh850
4252 #undef ELF_MACHINE_CODE
4253 #define ELF_MACHINE_CODE EM_V800
4254 #undef ELF_MACHINE_ALT1
4257 #define elf32_bed elf32_v850_rh850_bed
4259 #undef elf_info_to_howto
4260 #define elf_info_to_howto v800_elf_info_to_howto
4261 #undef elf_info_to_howto_rel
4262 #define elf_info_to_howto_rel NULL
4263 #undef bfd_elf32_bfd_reloc_type_lookup
4264 #define bfd_elf32_bfd_reloc_type_lookup v800_elf_reloc_type_lookup
4265 #undef bfd_elf32_bfd_reloc_name_lookup
4266 #define bfd_elf32_bfd_reloc_name_lookup v800_elf_reloc_name_lookup
4268 #include "elf32-target.h"
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