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 if (! ((*info->callbacks->reloc_overflow)
2275 (info, (h ? &h->root : NULL), name, howto->name,
2276 (bfd_vma) 0, input_bfd, input_section,
2281 case bfd_reloc_undefined:
2282 if (! ((*info->callbacks->undefined_symbol)
2283 (info, name, input_bfd, input_section,
2284 rel->r_offset, TRUE)))
2288 case bfd_reloc_outofrange:
2289 msg = _("internal error: out of range error");
2292 case bfd_reloc_notsupported:
2293 msg = _("internal error: unsupported relocation error");
2296 case bfd_reloc_dangerous:
2297 msg = _("internal error: dangerous relocation");
2300 case bfd_reloc_gp_not_found:
2301 msg = _("could not locate special linker symbol __gp");
2304 case bfd_reloc_ep_not_found:
2305 msg = _("could not locate special linker symbol __ep");
2308 case bfd_reloc_ctbp_not_found:
2309 msg = _("could not locate special linker symbol __ctbp");
2313 msg = _("internal error: unknown error");
2317 if (!((*info->callbacks->warning)
2318 (info, msg, name, input_bfd, input_section,
2330 v850_elf_gc_mark_hook (asection *sec,
2331 struct bfd_link_info *info,
2332 Elf_Internal_Rela *rel,
2333 struct elf_link_hash_entry *h,
2334 Elf_Internal_Sym *sym)
2337 switch (ELF32_R_TYPE (rel->r_info))
2339 case R_V850_GNU_VTINHERIT:
2340 case R_V850_GNU_VTENTRY:
2344 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
2348 v850_set_note (bfd * abfd, asection * s, enum v850_notes note, unsigned int val)
2350 bfd_byte * data = s->contents + ((note - 1) * SIZEOF_V850_NOTE);
2352 bfd_put_32 (abfd, 4, data + 0);
2353 bfd_put_32 (abfd, 4, data + 4);
2354 bfd_put_32 (abfd, note, data + 8);
2355 memcpy (data + 12, V850_NOTE_NAME, 4);
2356 bfd_put_32 (abfd, val, data + 16);
2359 /* Create the note section if not already present. This is done early so
2360 that the linker maps the sections to the right place in the output. */
2363 v850_elf_make_note_section (bfd * abfd)
2370 /* Make the note section. */
2371 flags = SEC_READONLY | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_MERGE;
2373 s = bfd_make_section_anyway_with_flags (abfd, V850_NOTE_SECNAME, flags);
2377 if (!bfd_set_section_alignment (abfd, s, 2))
2380 /* Allocate space for all known notes. */
2381 if (!bfd_set_section_size (abfd, s, NUM_V850_NOTES * SIZEOF_V850_NOTE))
2384 data = bfd_zalloc (abfd, NUM_V850_NOTES * SIZEOF_V850_NOTE);
2390 /* Provide default (= uninitilaised) values for all of the notes. */
2391 for (id = V850_NOTE_ALIGNMENT; id <= NUM_V850_NOTES; id++)
2392 v850_set_note (abfd, s, id, 0);
2397 /* Create the note section if not already present. This is done early so
2398 that the linker maps the sections to the right place in the output. */
2401 v850_elf_create_sections (struct bfd_link_info * info)
2405 /* If we already have a note section, do not make another. */
2406 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
2407 if (bfd_get_section_by_name (ibfd, V850_NOTE_SECNAME) != NULL)
2410 return v850_elf_make_note_section (info->input_bfds) != NULL;
2414 v850_elf_set_note (bfd * abfd, enum v850_notes note, unsigned int val)
2416 asection * notes = bfd_get_section_by_name (abfd, V850_NOTE_SECNAME);
2419 /* At the moment, no known note has a value over 2. */
2423 notes = v850_elf_make_note_section (abfd);
2427 v850_set_note (abfd, notes, note, val);
2431 /* Copy a v850 note section from one object module to another. */
2434 v850_elf_copy_notes (bfd *ibfd, bfd *obfd)
2439 /* If the output bfd does not have a note section, then
2440 skip the merge. The normal input to output section
2441 copying will take care of everythng for us. */
2442 if ((onotes = bfd_get_section_by_name (obfd, V850_NOTE_SECNAME)) == NULL)
2445 if ((inotes = bfd_get_section_by_name (ibfd, V850_NOTE_SECNAME)) == NULL)
2448 if (bfd_section_size (ibfd, inotes) == bfd_section_size (obfd, onotes))
2453 if ((icont = elf_section_data (inotes)->this_hdr.contents) == NULL)
2454 BFD_ASSERT (bfd_malloc_and_get_section (ibfd, inotes, & icont));
2456 if ((ocont = elf_section_data (onotes)->this_hdr.contents) == NULL)
2457 BFD_ASSERT (bfd_malloc_and_get_section (obfd, onotes, & ocont));
2459 /* Copy/overwrite notes from the input to the output. */
2460 memcpy (ocont, icont, bfd_section_size (obfd, onotes));
2464 /* Copy backend specific data from one object module to another. */
2467 v850_elf_copy_private_bfd_data (bfd *ibfd, bfd *obfd)
2469 v850_elf_copy_notes (ibfd, obfd);
2470 return _bfd_elf_copy_private_bfd_data (ibfd, obfd);
2472 #define bfd_elf32_bfd_copy_private_bfd_data v850_elf_copy_private_bfd_data
2475 v850_elf_merge_notes (bfd * ibfd, bfd *obfd)
2479 bfd_boolean result = TRUE;
2481 /* If the output bfd does not have a note section, then
2482 skip the merge. The normal input to output section
2483 copying will take care of everythng for us. */
2484 if ((onotes = bfd_get_section_by_name (obfd, V850_NOTE_SECNAME)) == NULL)
2487 if ((inotes = bfd_get_section_by_name (ibfd, V850_NOTE_SECNAME)) != NULL)
2493 BFD_ASSERT (bfd_section_size (ibfd, inotes) == bfd_section_size (obfd, onotes));
2495 if ((icont = elf_section_data (inotes)->this_hdr.contents) == NULL)
2496 BFD_ASSERT (bfd_malloc_and_get_section (ibfd, inotes, & icont));
2498 if ((ocont = elf_section_data (onotes)->this_hdr.contents) == NULL)
2499 BFD_ASSERT (bfd_malloc_and_get_section (obfd, onotes, & ocont));
2501 for (id = V850_NOTE_ALIGNMENT; id <= NUM_V850_NOTES; id++)
2505 bfd_byte * idata = icont + ((id - 1) * SIZEOF_V850_NOTE) + 16;
2506 bfd_byte * odata = ocont + ((id - 1) * SIZEOF_V850_NOTE) + 16;
2508 ival = bfd_get_32 (ibfd, idata);
2509 oval = bfd_get_32 (obfd, odata);
2511 if (ival == 0 || ival == oval)
2516 bfd_put_32 (obfd, ival, odata);
2517 v850_set_note (obfd, onotes, id, ival);
2521 /* We have a mismatch. The ABI defines how to handle
2522 this siutation on a per note type basis. */
2525 case V850_NOTE_ALIGNMENT:
2526 if (oval == EF_RH850_DATA_ALIGN4)
2529 (_("error: %B needs 8-byte aligment but %B is set for 4-byte alignment"),
2534 /* ibfd uses 4-byte alignment, obfd uses 8-byte alignment.
2535 Leave the obfd alignment as it is. */
2536 BFD_ASSERT (oval == EF_RH850_DATA_ALIGN8);
2540 case V850_NOTE_DATA_SIZE:
2541 if (oval == EF_RH850_DOUBLE32)
2543 _bfd_error_handler (_("error: %B uses 64-bit doubles but %B uses 32-bit doubles"),
2548 /* ibfd uses 32-bit doubles, obfd uses 64-bit doubles.
2549 This is acceptable. Honest, that is what the ABI says. */
2550 BFD_ASSERT (oval == EF_RH850_DOUBLE64);
2553 case V850_NOTE_FPU_INFO:
2554 if (oval == EF_RH850_FPU20)
2556 _bfd_error_handler (_("error: %B uses FPU-3.0 but %B only supports FPU-2.0"),
2561 /* ibfd uses FPU-2.0, obfd uses FPU-3.0. Leave obfd as it is. */
2562 BFD_ASSERT (oval == EF_RH850_FPU30);
2567 /* None of the other conflicts matter.
2568 Stick with the current output values. */
2573 /* FIXME: We should also check for conflicts between the notes
2574 and the EF flags in the ELF header. */
2581 print_v850_note (bfd * abfd, FILE * file, bfd_byte * data, enum v850_notes id)
2583 unsigned int value = bfd_get_32 (abfd, data + ((id - 1) * SIZEOF_V850_NOTE) + 16);
2587 case V850_NOTE_ALIGNMENT:
2588 fprintf (file, _(" alignment of 8-byte entities: "));
2591 case EF_RH850_DATA_ALIGN4: fprintf (file, _("4-byte")); break;
2592 case EF_RH850_DATA_ALIGN8: fprintf (file, _("8-byte")); break;
2593 case 0: fprintf (file, _("not set")); break;
2594 default: fprintf (file, _("unknown: %x"), value); break;
2599 case V850_NOTE_DATA_SIZE:
2600 fprintf (file, _(" size of doubles: "));
2603 case EF_RH850_DOUBLE32: fprintf (file, _("4-bytes")); break;
2604 case EF_RH850_DOUBLE64: fprintf (file, _("8-bytes")); break;
2605 case 0: fprintf (file, _("not set")); break;
2606 default: fprintf (file, _("unknown: %x"), value); break;
2611 case V850_NOTE_FPU_INFO:
2612 fprintf (file, _(" FPU support required: "));
2615 case EF_RH850_FPU20: fprintf (file, _("FPU-2.0")); break;
2616 case EF_RH850_FPU30: fprintf (file, _("FPU-3.0")); break;
2617 case 0: fprintf (file, _("none")); break;
2618 default: fprintf (file, _("unknown: %x"), value); break;
2623 case V850_NOTE_SIMD_INFO:
2624 fprintf (file, _("SIMD use: "));
2627 case EF_RH850_SIMD: fprintf (file, _("yes")); break;
2628 case 0: fprintf (file, _("no")); break;
2629 default: fprintf (file, _("unknown: %x"), value); break;
2634 case V850_NOTE_CACHE_INFO:
2635 fprintf (file, _("CACHE use: "));
2638 case EF_RH850_CACHE: fprintf (file, _("yes")); break;
2639 case 0: fprintf (file, _("no")); break;
2640 default: fprintf (file, _("unknown: %x"), value); break;
2645 case V850_NOTE_MMU_INFO:
2646 fprintf (file, _("MMU use: "));
2649 case EF_RH850_MMU: fprintf (file, _("yes")); break;
2650 case 0: fprintf (file, _("no")); break;
2651 default: fprintf (file, _("unknown: %x"), value); break;
2662 v850_elf_print_notes (bfd * abfd, FILE * file)
2664 asection * notes = bfd_get_section_by_name (abfd, V850_NOTE_SECNAME);
2667 if (notes == NULL || notes->contents == NULL)
2670 BFD_ASSERT (bfd_section_size (abfd, notes) == NUM_V850_NOTES * SIZEOF_V850_NOTE);
2672 for (id = V850_NOTE_ALIGNMENT; id <= NUM_V850_NOTES; id++)
2673 print_v850_note (abfd, file, notes->contents, id);
2676 /* Set the right machine number and architecture. */
2679 v850_elf_object_p (bfd *abfd)
2681 enum bfd_architecture arch;
2684 switch (elf_elfheader (abfd)->e_machine)
2687 arch = bfd_arch_v850_rh850;
2688 mach = (elf_elfheader (abfd)->e_flags & EF_V800_850E3)
2689 ? bfd_mach_v850e3v5 : bfd_mach_v850e2v3;
2692 case EM_CYGNUS_V850:
2694 arch = bfd_arch_v850;
2695 switch (elf_elfheader (abfd)->e_flags & EF_V850_ARCH)
2698 case E_V850_ARCH: mach = bfd_mach_v850; break;
2699 case E_V850E_ARCH: mach = bfd_mach_v850e; break;
2700 case E_V850E1_ARCH: mach = bfd_mach_v850e1; break;
2701 case E_V850E2_ARCH: mach = bfd_mach_v850e2; break;
2702 case E_V850E2V3_ARCH: mach = bfd_mach_v850e2v3; break;
2703 case E_V850E3V5_ARCH: mach = bfd_mach_v850e3v5; break;
2711 return bfd_default_set_arch_mach (abfd, arch, mach);
2714 /* Store the machine number in the flags field. */
2717 v850_elf_final_write_processing (bfd *abfd,
2718 bfd_boolean linker ATTRIBUTE_UNUSED)
2722 switch (bfd_get_arch (abfd))
2724 case bfd_arch_v850_rh850:
2726 if (bfd_get_mach (abfd) == bfd_mach_v850e3v5)
2727 val |= EF_V800_850E3;
2728 elf_elfheader (abfd)->e_flags |= val;
2732 switch (bfd_get_mach (abfd))
2735 case bfd_mach_v850: val = E_V850_ARCH; break;
2736 case bfd_mach_v850e: val = E_V850E_ARCH; break;
2737 case bfd_mach_v850e1: val = E_V850E1_ARCH; break;
2738 case bfd_mach_v850e2: val = E_V850E2_ARCH; break;
2739 case bfd_mach_v850e2v3: val = E_V850E2V3_ARCH; break;
2740 case bfd_mach_v850e3v5: val = E_V850E3V5_ARCH; break;
2742 elf_elfheader (abfd)->e_flags &=~ EF_V850_ARCH;
2743 elf_elfheader (abfd)->e_flags |= val;
2750 /* Function to keep V850 specific file flags. */
2753 v850_elf_set_private_flags (bfd *abfd, flagword flags)
2755 BFD_ASSERT (!elf_flags_init (abfd)
2756 || elf_elfheader (abfd)->e_flags == flags);
2758 elf_elfheader (abfd)->e_flags = flags;
2759 elf_flags_init (abfd) = TRUE;
2763 /* Merge backend specific data from an object file
2764 to the output object file when linking. */
2767 v850_elf_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
2771 bfd_boolean result = TRUE;
2773 if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour
2774 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
2777 result &= v850_elf_merge_notes (ibfd, obfd);
2779 in_flags = elf_elfheader (ibfd)->e_flags;
2780 out_flags = elf_elfheader (obfd)->e_flags;
2782 if (! elf_flags_init (obfd))
2784 /* If the input is the default architecture then do not
2785 bother setting the flags for the output architecture,
2786 instead allow future merges to do this. If no future
2787 merges ever set these flags then they will retain their
2788 unitialised values, which surprise surprise, correspond
2789 to the default values. */
2790 if (bfd_get_arch_info (ibfd)->the_default)
2793 elf_flags_init (obfd) = TRUE;
2794 elf_elfheader (obfd)->e_flags = in_flags;
2796 if (bfd_get_arch (obfd) == bfd_get_arch (ibfd)
2797 && bfd_get_arch_info (obfd)->the_default)
2798 result &= bfd_set_arch_mach (obfd, bfd_get_arch (ibfd), bfd_get_mach (ibfd));
2803 /* Check flag compatibility. */
2804 if (in_flags == out_flags)
2807 if (bfd_get_arch (obfd) == bfd_arch_v850_rh850)
2809 if ((in_flags & EF_V800_850E3) != (out_flags & EF_V800_850E3))
2811 _bfd_error_handler (_("%B: Architecture mismatch with previous modules"),
2813 elf_elfheader (obfd)->e_flags |= EF_V800_850E3;
2819 if ((in_flags & EF_V850_ARCH) != (out_flags & EF_V850_ARCH)
2820 && (in_flags & EF_V850_ARCH) != E_V850_ARCH)
2822 /* Allow earlier architecture binaries to be linked with later binaries.
2823 Set the output binary to the later architecture, except for v850e1,
2824 which we set to v850e. */
2825 if ( (in_flags & EF_V850_ARCH) == E_V850E1_ARCH
2826 && (out_flags & EF_V850_ARCH) == E_V850E_ARCH)
2829 if ( (in_flags & EF_V850_ARCH) == E_V850_ARCH
2830 && (out_flags & EF_V850_ARCH) == E_V850E_ARCH)
2832 elf_elfheader (obfd)->e_flags =
2833 ((out_flags & ~ EF_V850_ARCH) | E_V850E_ARCH);
2837 if (( (in_flags & EF_V850_ARCH) == E_V850_ARCH
2838 || (in_flags & EF_V850_ARCH) == E_V850E_ARCH)
2839 && (out_flags & EF_V850_ARCH) == E_V850E2_ARCH)
2841 elf_elfheader (obfd)->e_flags =
2842 ((out_flags & ~ EF_V850_ARCH) | E_V850E2_ARCH);
2846 if (( (in_flags & EF_V850_ARCH) == E_V850_ARCH
2847 || (in_flags & EF_V850_ARCH) == E_V850E_ARCH
2848 || (in_flags & EF_V850_ARCH) == E_V850E2_ARCH)
2849 && (out_flags & EF_V850_ARCH) == E_V850E2V3_ARCH)
2851 elf_elfheader (obfd)->e_flags =
2852 ((out_flags & ~ EF_V850_ARCH) | E_V850E2V3_ARCH);
2856 if (( (in_flags & EF_V850_ARCH) == E_V850_ARCH
2857 || (in_flags & EF_V850_ARCH) == E_V850E_ARCH
2858 || (in_flags & EF_V850_ARCH) == E_V850E2_ARCH
2859 || (in_flags & EF_V850_ARCH) == E_V850E2V3_ARCH)
2860 && (out_flags & EF_V850_ARCH) == E_V850E3V5_ARCH)
2862 elf_elfheader (obfd)->e_flags =
2863 ((out_flags & ~ EF_V850_ARCH) | E_V850E3V5_ARCH);
2867 _bfd_error_handler (_("%B: Architecture mismatch with previous modules"),
2874 /* Display the flags field. */
2877 v850_elf_print_private_bfd_data (bfd *abfd, void * ptr)
2879 FILE * file = (FILE *) ptr;
2881 BFD_ASSERT (abfd != NULL && ptr != NULL);
2883 _bfd_elf_print_private_bfd_data (abfd, ptr);
2885 /* xgettext:c-format. */
2886 fprintf (file, _("private flags = %lx: "), elf_elfheader (abfd)->e_flags);
2888 if (bfd_get_arch (abfd) == bfd_arch_v850_rh850)
2890 if ((elf_elfheader (abfd)->e_flags & EF_RH850_ABI) != EF_RH850_ABI)
2891 fprintf (file, _("unknown v850 architecture"));
2892 else if (elf_elfheader (abfd)->e_flags & EF_V800_850E3)
2893 fprintf (file, _("v850 E3 architecture"));
2895 fprintf (file, _("v850 architecture"));
2899 switch (elf_elfheader (abfd)->e_flags & EF_V850_ARCH)
2902 case E_V850_ARCH: fprintf (file, _("v850 architecture")); break;
2903 case E_V850E_ARCH: fprintf (file, _("v850e architecture")); break;
2904 case E_V850E1_ARCH: fprintf (file, _("v850e1 architecture")); break;
2905 case E_V850E2_ARCH: fprintf (file, _("v850e2 architecture")); break;
2906 case E_V850E2V3_ARCH: fprintf (file, _("v850e2v3 architecture")); break;
2907 case E_V850E3V5_ARCH: fprintf (file, _("v850e3v5 architecture")); break;
2913 v850_elf_print_notes (abfd, file);
2918 /* V850 ELF uses four common sections. One is the usual one, and the
2919 others are for (small) objects in one of the special data areas:
2920 small, tiny and zero. All the objects are kept together, and then
2921 referenced via the gp register, the ep register or the r0 register
2922 respectively, which yields smaller, faster assembler code. This
2923 approach is copied from elf32-mips.c. */
2925 static asection v850_elf_scom_section;
2926 static asymbol v850_elf_scom_symbol;
2927 static asymbol * v850_elf_scom_symbol_ptr;
2928 static asection v850_elf_tcom_section;
2929 static asymbol v850_elf_tcom_symbol;
2930 static asymbol * v850_elf_tcom_symbol_ptr;
2931 static asection v850_elf_zcom_section;
2932 static asymbol v850_elf_zcom_symbol;
2933 static asymbol * v850_elf_zcom_symbol_ptr;
2935 /* Given a BFD section, try to locate the
2936 corresponding ELF section index. */
2939 v850_elf_section_from_bfd_section (bfd *abfd ATTRIBUTE_UNUSED,
2943 if (strcmp (bfd_get_section_name (abfd, sec), ".scommon") == 0)
2944 *retval = SHN_V850_SCOMMON;
2945 else if (strcmp (bfd_get_section_name (abfd, sec), ".tcommon") == 0)
2946 *retval = SHN_V850_TCOMMON;
2947 else if (strcmp (bfd_get_section_name (abfd, sec), ".zcommon") == 0)
2948 *retval = SHN_V850_ZCOMMON;
2955 /* Handle the special V850 section numbers that a symbol may use. */
2958 v850_elf_symbol_processing (bfd *abfd, asymbol *asym)
2960 elf_symbol_type * elfsym = (elf_symbol_type *) asym;
2963 indx = elfsym->internal_elf_sym.st_shndx;
2965 /* If the section index is an "ordinary" index, then it may
2966 refer to a v850 specific section created by the assembler.
2967 Check the section's type and change the index it matches.
2969 FIXME: Should we alter the st_shndx field as well ? */
2971 if (indx < elf_numsections (abfd))
2972 switch (elf_elfsections (abfd)[indx]->sh_type)
2974 case SHT_V850_SCOMMON:
2975 indx = SHN_V850_SCOMMON;
2978 case SHT_V850_TCOMMON:
2979 indx = SHN_V850_TCOMMON;
2982 case SHT_V850_ZCOMMON:
2983 indx = SHN_V850_ZCOMMON;
2992 case SHN_V850_SCOMMON:
2993 if (v850_elf_scom_section.name == NULL)
2995 /* Initialize the small common section. */
2996 v850_elf_scom_section.name = ".scommon";
2997 v850_elf_scom_section.flags = SEC_IS_COMMON | SEC_ALLOC | SEC_DATA;
2998 v850_elf_scom_section.output_section = & v850_elf_scom_section;
2999 v850_elf_scom_section.symbol = & v850_elf_scom_symbol;
3000 v850_elf_scom_section.symbol_ptr_ptr = & v850_elf_scom_symbol_ptr;
3001 v850_elf_scom_symbol.name = ".scommon";
3002 v850_elf_scom_symbol.flags = BSF_SECTION_SYM;
3003 v850_elf_scom_symbol.section = & v850_elf_scom_section;
3004 v850_elf_scom_symbol_ptr = & v850_elf_scom_symbol;
3006 asym->section = & v850_elf_scom_section;
3007 asym->value = elfsym->internal_elf_sym.st_size;
3010 case SHN_V850_TCOMMON:
3011 if (v850_elf_tcom_section.name == NULL)
3013 /* Initialize the tcommon section. */
3014 v850_elf_tcom_section.name = ".tcommon";
3015 v850_elf_tcom_section.flags = SEC_IS_COMMON;
3016 v850_elf_tcom_section.output_section = & v850_elf_tcom_section;
3017 v850_elf_tcom_section.symbol = & v850_elf_tcom_symbol;
3018 v850_elf_tcom_section.symbol_ptr_ptr = & v850_elf_tcom_symbol_ptr;
3019 v850_elf_tcom_symbol.name = ".tcommon";
3020 v850_elf_tcom_symbol.flags = BSF_SECTION_SYM;
3021 v850_elf_tcom_symbol.section = & v850_elf_tcom_section;
3022 v850_elf_tcom_symbol_ptr = & v850_elf_tcom_symbol;
3024 asym->section = & v850_elf_tcom_section;
3025 asym->value = elfsym->internal_elf_sym.st_size;
3028 case SHN_V850_ZCOMMON:
3029 if (v850_elf_zcom_section.name == NULL)
3031 /* Initialize the zcommon section. */
3032 v850_elf_zcom_section.name = ".zcommon";
3033 v850_elf_zcom_section.flags = SEC_IS_COMMON;
3034 v850_elf_zcom_section.output_section = & v850_elf_zcom_section;
3035 v850_elf_zcom_section.symbol = & v850_elf_zcom_symbol;
3036 v850_elf_zcom_section.symbol_ptr_ptr = & v850_elf_zcom_symbol_ptr;
3037 v850_elf_zcom_symbol.name = ".zcommon";
3038 v850_elf_zcom_symbol.flags = BSF_SECTION_SYM;
3039 v850_elf_zcom_symbol.section = & v850_elf_zcom_section;
3040 v850_elf_zcom_symbol_ptr = & v850_elf_zcom_symbol;
3042 asym->section = & v850_elf_zcom_section;
3043 asym->value = elfsym->internal_elf_sym.st_size;
3048 /* Hook called by the linker routine which adds symbols from an object
3049 file. We must handle the special v850 section numbers here. */
3052 v850_elf_add_symbol_hook (bfd *abfd,
3053 struct bfd_link_info *info ATTRIBUTE_UNUSED,
3054 Elf_Internal_Sym *sym,
3055 const char **namep ATTRIBUTE_UNUSED,
3056 flagword *flagsp ATTRIBUTE_UNUSED,
3060 unsigned int indx = sym->st_shndx;
3062 /* If the section index is an "ordinary" index, then it may
3063 refer to a v850 specific section created by the assembler.
3064 Check the section's type and change the index it matches.
3066 FIXME: Should we alter the st_shndx field as well ? */
3068 if (indx < elf_numsections (abfd))
3069 switch (elf_elfsections (abfd)[indx]->sh_type)
3071 case SHT_V850_SCOMMON:
3072 indx = SHN_V850_SCOMMON;
3075 case SHT_V850_TCOMMON:
3076 indx = SHN_V850_TCOMMON;
3079 case SHT_V850_ZCOMMON:
3080 indx = SHN_V850_ZCOMMON;
3089 case SHN_V850_SCOMMON:
3090 *secp = bfd_make_section_old_way (abfd, ".scommon");
3091 (*secp)->flags |= SEC_IS_COMMON;
3092 *valp = sym->st_size;
3095 case SHN_V850_TCOMMON:
3096 *secp = bfd_make_section_old_way (abfd, ".tcommon");
3097 (*secp)->flags |= SEC_IS_COMMON;
3098 *valp = sym->st_size;
3101 case SHN_V850_ZCOMMON:
3102 *secp = bfd_make_section_old_way (abfd, ".zcommon");
3103 (*secp)->flags |= SEC_IS_COMMON;
3104 *valp = sym->st_size;
3112 v850_elf_link_output_symbol_hook (struct bfd_link_info *info ATTRIBUTE_UNUSED,
3113 const char *name ATTRIBUTE_UNUSED,
3114 Elf_Internal_Sym *sym,
3115 asection *input_sec,
3116 struct elf_link_hash_entry *h ATTRIBUTE_UNUSED)
3118 /* If we see a common symbol, which implies a relocatable link, then
3119 if a symbol was in a special common section in an input file, mark
3120 it as a special common in the output file. */
3122 if (sym->st_shndx == SHN_COMMON)
3124 if (strcmp (input_sec->name, ".scommon") == 0)
3125 sym->st_shndx = SHN_V850_SCOMMON;
3126 else if (strcmp (input_sec->name, ".tcommon") == 0)
3127 sym->st_shndx = SHN_V850_TCOMMON;
3128 else if (strcmp (input_sec->name, ".zcommon") == 0)
3129 sym->st_shndx = SHN_V850_ZCOMMON;
3132 /* The price we pay for using h->other unused bits as flags in the
3133 linker is cleaning up after ourselves. */
3135 sym->st_other &= ~(V850_OTHER_SDA | V850_OTHER_ZDA | V850_OTHER_TDA
3136 | V850_OTHER_ERROR);
3142 v850_elf_section_from_shdr (bfd *abfd,
3143 Elf_Internal_Shdr *hdr,
3147 /* There ought to be a place to keep ELF backend specific flags, but
3148 at the moment there isn't one. We just keep track of the
3149 sections by their name, instead. */
3151 if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex))
3154 switch (hdr->sh_type)
3156 case SHT_V850_SCOMMON:
3157 case SHT_V850_TCOMMON:
3158 case SHT_V850_ZCOMMON:
3159 if (! bfd_set_section_flags (abfd, hdr->bfd_section,
3160 (bfd_get_section_flags (abfd,
3169 /* Set the correct type for a V850 ELF section. We do this
3170 by the section name, which is a hack, but ought to work. */
3173 v850_elf_fake_sections (bfd *abfd ATTRIBUTE_UNUSED,
3174 Elf_Internal_Shdr *hdr,
3179 name = bfd_get_section_name (abfd, sec);
3181 if (strcmp (name, ".scommon") == 0)
3182 hdr->sh_type = SHT_V850_SCOMMON;
3183 else if (strcmp (name, ".tcommon") == 0)
3184 hdr->sh_type = SHT_V850_TCOMMON;
3185 else if (strcmp (name, ".zcommon") == 0)
3186 hdr->sh_type = SHT_V850_ZCOMMON;
3187 /* Tweak the section type of .note.renesas. */
3188 else if (strcmp (name, V850_NOTE_SECNAME) == 0)
3190 hdr->sh_type = SHT_RENESAS_INFO;
3191 hdr->sh_entsize = SIZEOF_V850_NOTE;
3197 /* Delete some bytes from a section while relaxing. */
3200 v850_elf_relax_delete_bytes (bfd *abfd,
3206 Elf_Internal_Shdr *symtab_hdr;
3207 Elf32_External_Sym *extsyms;
3208 Elf32_External_Sym *esym;
3209 Elf32_External_Sym *esymend;
3211 unsigned int sec_shndx;
3213 Elf_Internal_Rela *irel;
3214 Elf_Internal_Rela *irelend;
3215 struct elf_link_hash_entry *sym_hash;
3216 Elf_External_Sym_Shndx *shndx;
3218 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
3219 extsyms = (Elf32_External_Sym *) symtab_hdr->contents;
3221 sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
3223 contents = elf_section_data (sec)->this_hdr.contents;
3225 /* The deletion must stop at the next ALIGN reloc for an alignment
3226 power larger than the number of bytes we are deleting. */
3228 /* Actually delete the bytes. */
3229 #if (DEBUG_RELAX & 2)
3230 fprintf (stderr, "relax_delete: contents: sec: %s %p .. %p %x\n",
3231 sec->name, addr, toaddr, count );
3233 memmove (contents + addr, contents + addr + count,
3234 toaddr - addr - count);
3235 memset (contents + toaddr-count, 0, count);
3237 /* Adjust all the relocs. */
3238 irel = elf_section_data (sec)->relocs;
3239 irelend = irel + sec->reloc_count;
3240 if (elf_symtab_shndx_list (abfd))
3242 Elf_Internal_Shdr *shndx_hdr;
3244 shndx_hdr = & elf_symtab_shndx_list (abfd)->hdr;
3245 shndx = (Elf_External_Sym_Shndx *) shndx_hdr->contents;
3252 for (; irel < irelend; irel++)
3254 bfd_vma raddr, paddr, symval;
3255 Elf_Internal_Sym isym;
3257 /* Get the new reloc address. */
3258 raddr = irel->r_offset;
3259 if ((raddr >= (addr + count) && raddr < toaddr))
3260 irel->r_offset -= count;
3262 if (raddr >= addr && raddr < addr + count)
3264 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
3269 if (ELF32_R_TYPE (irel->r_info) == (int) R_V850_ALIGN)
3272 bfd_elf32_swap_symbol_in (abfd,
3273 extsyms + ELF32_R_SYM (irel->r_info),
3274 shndx ? shndx + ELF32_R_SYM (irel->r_info) : NULL,
3277 if (isym.st_shndx != sec_shndx)
3280 /* Get the value of the symbol referred to by the reloc. */
3281 if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
3283 symval = isym.st_value;
3284 #if (DEBUG_RELAX & 2)
3286 char * name = bfd_elf_string_from_elf_section
3287 (abfd, symtab_hdr->sh_link, isym.st_name);
3289 "relax_delete: local: sec: %s, sym: %s (%d), value: %x + %x + %x addend %x\n",
3290 sec->name, name, isym.st_name,
3291 sec->output_section->vma, sec->output_offset,
3292 isym.st_value, irel->r_addend);
3299 struct elf_link_hash_entry * h;
3301 /* An external symbol. */
3302 indx = ELF32_R_SYM (irel->r_info) - symtab_hdr->sh_info;
3304 h = elf_sym_hashes (abfd) [indx];
3305 BFD_ASSERT (h != NULL);
3307 symval = h->root.u.def.value;
3308 #if (DEBUG_RELAX & 2)
3310 "relax_delete: defined: sec: %s, name: %s, value: %x + %x + %x addend %x\n",
3311 sec->name, h->root.root.string, h->root.u.def.value,
3312 sec->output_section->vma, sec->output_offset, irel->r_addend);
3316 paddr = symval + irel->r_addend;
3318 if ( (symval >= addr + count && symval < toaddr)
3319 && (paddr < addr + count || paddr >= toaddr))
3320 irel->r_addend += count;
3321 else if ( (symval < addr + count || symval >= toaddr)
3322 && (paddr >= addr + count && paddr < toaddr))
3323 irel->r_addend -= count;
3326 /* Adjust the local symbols defined in this section. */
3328 esymend = esym + symtab_hdr->sh_info;
3330 for (; esym < esymend; esym++, shndx = (shndx ? shndx + 1 : NULL))
3332 Elf_Internal_Sym isym;
3334 bfd_elf32_swap_symbol_in (abfd, esym, shndx, & isym);
3336 if (isym.st_shndx == sec_shndx
3337 && isym.st_value >= addr + count
3338 && isym.st_value < toaddr)
3340 isym.st_value -= count;
3342 if (isym.st_value + isym.st_size >= toaddr)
3343 isym.st_size += count;
3345 bfd_elf32_swap_symbol_out (abfd, & isym, esym, shndx);
3347 else if (isym.st_shndx == sec_shndx
3348 && isym.st_value < addr + count)
3350 if (isym.st_value+isym.st_size >= addr + count
3351 && isym.st_value+isym.st_size < toaddr)
3352 isym.st_size -= count;
3354 if (isym.st_value >= addr
3355 && isym.st_value < addr + count)
3356 isym.st_value = addr;
3358 bfd_elf32_swap_symbol_out (abfd, & isym, esym, shndx);
3362 /* Now adjust the global symbols defined in this section. */
3363 esym = extsyms + symtab_hdr->sh_info;
3364 esymend = extsyms + (symtab_hdr->sh_size / sizeof (Elf32_External_Sym));
3366 for (sym_index = 0; esym < esymend; esym ++, sym_index ++)
3368 Elf_Internal_Sym isym;
3370 bfd_elf32_swap_symbol_in (abfd, esym, shndx, & isym);
3371 sym_hash = elf_sym_hashes (abfd) [sym_index];
3373 if (isym.st_shndx == sec_shndx
3374 && ((sym_hash)->root.type == bfd_link_hash_defined
3375 || (sym_hash)->root.type == bfd_link_hash_defweak)
3376 && (sym_hash)->root.u.def.section == sec
3377 && (sym_hash)->root.u.def.value >= addr + count
3378 && (sym_hash)->root.u.def.value < toaddr)
3380 if ((sym_hash)->root.u.def.value + isym.st_size >= toaddr)
3382 isym.st_size += count;
3383 bfd_elf32_swap_symbol_out (abfd, & isym, esym, shndx);
3386 (sym_hash)->root.u.def.value -= count;
3388 else if (isym.st_shndx == sec_shndx
3389 && ((sym_hash)->root.type == bfd_link_hash_defined
3390 || (sym_hash)->root.type == bfd_link_hash_defweak)
3391 && (sym_hash)->root.u.def.section == sec
3392 && (sym_hash)->root.u.def.value < addr + count)
3394 if ((sym_hash)->root.u.def.value+isym.st_size >= addr + count
3395 && (sym_hash)->root.u.def.value+isym.st_size < toaddr)
3396 isym.st_size -= count;
3398 if ((sym_hash)->root.u.def.value >= addr
3399 && (sym_hash)->root.u.def.value < addr + count)
3400 (sym_hash)->root.u.def.value = addr;
3402 bfd_elf32_swap_symbol_out (abfd, & isym, esym, shndx);
3412 #define NOP_OPCODE (0x0000)
3413 #define MOVHI 0x0640 /* 4byte. */
3414 #define MOVHI_MASK 0x07e0
3415 #define MOVHI_R1(insn) ((insn) & 0x1f) /* 4byte. */
3416 #define MOVHI_R2(insn) ((insn) >> 11)
3417 #define MOVEA 0x0620 /* 2byte. */
3418 #define MOVEA_MASK 0x07e0
3419 #define MOVEA_R1(insn) ((insn) & 0x1f)
3420 #define MOVEA_R2(insn) ((insn) >> 11)
3421 #define JARL_4 0x00040780 /* 4byte. */
3422 #define JARL_4_MASK 0xFFFF07FF
3423 #define JARL_R2(insn) (int)(((insn) & (~JARL_4_MASK)) >> 11)
3424 #define ADD_I 0x0240 /* 2byte. */
3425 #define ADD_I_MASK 0x07e0
3426 #define ADD_I5(insn) ((((insn) & 0x001f) << 11) >> 11) /* 2byte. */
3427 #define ADD_R2(insn) ((insn) >> 11)
3428 #define JMP_R 0x0060 /* 2byte. */
3429 #define JMP_R_MASK 0xFFE0
3430 #define JMP_R1(insn) ((insn) & 0x1f)
3433 v850_elf_relax_section (bfd *abfd,
3435 struct bfd_link_info *link_info,
3438 Elf_Internal_Shdr *symtab_hdr;
3439 Elf_Internal_Rela *internal_relocs;
3440 Elf_Internal_Rela *irel;
3441 Elf_Internal_Rela *irelend;
3442 Elf_Internal_Rela *irelalign = NULL;
3443 Elf_Internal_Sym *isymbuf = NULL;
3444 bfd_byte *contents = NULL;
3447 int align_pad_size = 0;
3448 bfd_boolean result = TRUE;
3452 if (bfd_link_relocatable (link_info)
3453 || (sec->flags & SEC_RELOC) == 0
3454 || sec->reloc_count == 0)
3457 symtab_hdr = & elf_tdata (abfd)->symtab_hdr;
3459 internal_relocs = (_bfd_elf_link_read_relocs
3460 (abfd, sec, NULL, NULL, link_info->keep_memory));
3461 if (internal_relocs == NULL)
3464 irelend = internal_relocs + sec->reloc_count;
3466 while (addr < sec->size)
3470 for (irel = internal_relocs; irel < irelend; irel ++)
3471 if (ELF32_R_TYPE (irel->r_info) == (int) R_V850_ALIGN
3472 && irel->r_offset > addr
3473 && irel->r_offset < toaddr)
3474 toaddr = irel->r_offset;
3477 fprintf (stderr, "relax region 0x%x to 0x%x align pad %d\n",
3478 addr, toaddr, align_pad_size);
3483 bfd_vma alignmoveto;
3485 alignmoveto = BFD_ALIGN (addr - align_pad_size, 1 << irelalign->r_addend);
3486 alignto = BFD_ALIGN (addr, 1 << irelalign->r_addend);
3488 if (alignmoveto < alignto)
3492 align_pad_size = alignto - alignmoveto;
3494 fprintf (stderr, "relax move region 0x%x to 0x%x delete size 0x%x\n",
3495 alignmoveto, toaddr, align_pad_size);
3497 if (!v850_elf_relax_delete_bytes (abfd, sec, alignmoveto,
3498 toaddr, align_pad_size))
3501 for (i = BFD_ALIGN (toaddr - align_pad_size, 1);
3502 (i + 1) < toaddr; i += 2)
3503 bfd_put_16 (abfd, NOP_OPCODE, contents + i);
3511 for (irel = internal_relocs; irel < irelend; irel++)
3518 Elf_Internal_Rela *hi_irelfn;
3519 Elf_Internal_Rela *lo_irelfn;
3520 Elf_Internal_Rela *irelcall;
3521 bfd_signed_vma foff;
3522 unsigned int r_type;
3524 if (! (irel->r_offset >= addr && irel->r_offset < toaddr
3525 && (ELF32_R_TYPE (irel->r_info) == (int) R_V850_LONGCALL
3526 || ELF32_R_TYPE (irel->r_info) == (int) R_V850_LONGJUMP)))
3530 fprintf (stderr, "relax check r_info 0x%x r_offset 0x%x r_addend 0x%x\n",
3536 /* Get the section contents. */
3537 if (contents == NULL)
3539 if (elf_section_data (sec)->this_hdr.contents != NULL)
3540 contents = elf_section_data (sec)->this_hdr.contents;
3543 if (! bfd_malloc_and_get_section (abfd, sec, &contents))
3548 /* Read this BFD's local symbols if we haven't done so already. */
3549 if (isymbuf == NULL && symtab_hdr->sh_info != 0)
3551 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
3552 if (isymbuf == NULL)
3553 isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
3554 symtab_hdr->sh_info, 0,
3556 if (isymbuf == NULL)
3560 laddr = irel->r_offset;
3562 if (ELF32_R_TYPE (irel->r_info) == (int) R_V850_LONGCALL)
3564 /* Check code for -mlong-calls output. */
3565 if (laddr + 16 <= (bfd_vma) sec->size)
3567 insn[0] = bfd_get_16 (abfd, contents + laddr);
3568 insn[1] = bfd_get_16 (abfd, contents + laddr + 4);
3569 insn[2] = bfd_get_32 (abfd, contents + laddr + 8);
3570 insn[3] = bfd_get_16 (abfd, contents + laddr + 12);
3571 insn[4] = bfd_get_16 (abfd, contents + laddr + 14);
3573 if ((insn[0] & MOVHI_MASK) != MOVHI
3574 || MOVHI_R1 (insn[0]) != 0)
3578 && ((insn[1] & MOVEA_MASK) != MOVEA
3579 || MOVHI_R2 (insn[0]) != MOVEA_R1 (insn[1])))
3583 && (insn[2] & JARL_4_MASK) != JARL_4)
3587 && ((insn[3] & ADD_I_MASK) != ADD_I
3588 || ADD_I5 (insn[3]) != 4
3589 || JARL_R2 (insn[2]) != ADD_R2 (insn[3])))
3593 && ((insn[4] & JMP_R_MASK) != JMP_R
3594 || MOVEA_R2 (insn[1]) != JMP_R1 (insn[4])))
3599 ((*_bfd_error_handler)
3600 ("%s: 0x%lx: warning: R_V850_LONGCALL points to unrecognized insns",
3601 bfd_get_filename (abfd), (unsigned long) irel->r_offset));
3608 ((*_bfd_error_handler)
3609 ("%s: 0x%lx: warning: R_V850_LONGCALL points to unrecognized insn 0x%x",
3610 bfd_get_filename (abfd), (unsigned long) irel->r_offset+no_match, insn[no_match]));
3615 /* Get the reloc for the address from which the register is
3616 being loaded. This reloc will tell us which function is
3617 actually being called. */
3619 for (hi_irelfn = internal_relocs; hi_irelfn < irelend; hi_irelfn ++)
3621 r_type = ELF32_R_TYPE (hi_irelfn->r_info);
3623 if (hi_irelfn->r_offset == laddr + 2
3624 && (r_type == (int) R_V850_HI16_S || r_type == (int) R_V810_WHI1))
3628 for (lo_irelfn = internal_relocs; lo_irelfn < irelend; lo_irelfn ++)
3630 r_type = ELF32_R_TYPE (lo_irelfn->r_info);
3632 if (lo_irelfn->r_offset == laddr + 6
3633 && (r_type == (int) R_V850_LO16 || r_type == (int) R_V810_WLO))
3637 for (irelcall = internal_relocs; irelcall < irelend; irelcall ++)
3639 r_type = ELF32_R_TYPE (irelcall->r_info);
3641 if (irelcall->r_offset == laddr + 8
3642 && (r_type == (int) R_V850_22_PCREL || r_type == (int) R_V850_PCR22))
3646 if ( hi_irelfn == irelend
3647 || lo_irelfn == irelend
3648 || irelcall == irelend)
3650 ((*_bfd_error_handler)
3651 ("%s: 0x%lx: warning: R_V850_LONGCALL points to unrecognized reloc",
3652 bfd_get_filename (abfd), (unsigned long) irel->r_offset ));
3657 if (ELF32_R_SYM (irelcall->r_info) < symtab_hdr->sh_info)
3659 Elf_Internal_Sym * isym;
3661 /* A local symbol. */
3662 isym = isymbuf + ELF32_R_SYM (irelcall->r_info);
3664 symval = isym->st_value;
3669 struct elf_link_hash_entry * h;
3671 /* An external symbol. */
3672 indx = ELF32_R_SYM (irelcall->r_info) - symtab_hdr->sh_info;
3673 h = elf_sym_hashes (abfd)[indx];
3674 BFD_ASSERT (h != NULL);
3676 if ( h->root.type != bfd_link_hash_defined
3677 && h->root.type != bfd_link_hash_defweak)
3678 /* This appears to be a reference to an undefined
3679 symbol. Just ignore it--it will be caught by the
3680 regular reloc processing. */
3683 symval = h->root.u.def.value;
3686 if (symval + irelcall->r_addend != irelcall->r_offset + 4)
3688 ((*_bfd_error_handler)
3689 ("%s: 0x%lx: warning: R_V850_LONGCALL points to unrecognized reloc 0x%lx",
3690 bfd_get_filename (abfd), (unsigned long) irel->r_offset, irelcall->r_offset ));
3695 /* Get the value of the symbol referred to by the reloc. */
3696 if (ELF32_R_SYM (hi_irelfn->r_info) < symtab_hdr->sh_info)
3698 Elf_Internal_Sym *isym;
3701 /* A local symbol. */
3702 isym = isymbuf + ELF32_R_SYM (hi_irelfn->r_info);
3704 if (isym->st_shndx == SHN_UNDEF)
3705 sym_sec = bfd_und_section_ptr;
3706 else if (isym->st_shndx == SHN_ABS)
3707 sym_sec = bfd_abs_section_ptr;
3708 else if (isym->st_shndx == SHN_COMMON)
3709 sym_sec = bfd_com_section_ptr;
3711 sym_sec = bfd_section_from_elf_index (abfd, isym->st_shndx);
3712 symval = (isym->st_value
3713 + sym_sec->output_section->vma
3714 + sym_sec->output_offset);
3719 struct elf_link_hash_entry *h;
3721 /* An external symbol. */
3722 indx = ELF32_R_SYM (hi_irelfn->r_info) - symtab_hdr->sh_info;
3723 h = elf_sym_hashes (abfd)[indx];
3724 BFD_ASSERT (h != NULL);
3726 if ( h->root.type != bfd_link_hash_defined
3727 && h->root.type != bfd_link_hash_defweak)
3728 /* This appears to be a reference to an undefined
3729 symbol. Just ignore it--it will be caught by the
3730 regular reloc processing. */
3733 symval = (h->root.u.def.value
3734 + h->root.u.def.section->output_section->vma
3735 + h->root.u.def.section->output_offset);
3738 addend = irel->r_addend;
3740 foff = (symval + addend
3742 + sec->output_section->vma
3743 + sec->output_offset
3746 fprintf (stderr, "relax longcall r_offset 0x%x ptr 0x%x symbol 0x%x addend 0x%x distance 0x%x\n",
3749 + sec->output_section->vma
3750 + sec->output_offset),
3751 symval, addend, foff);
3754 if (foff < -0x100000 || foff >= 0x100000)
3755 /* After all that work, we can't shorten this function call. */
3758 /* For simplicity of coding, we are going to modify the section
3759 contents, the section relocs, and the BFD symbol table. We
3760 must tell the rest of the code not to free up this
3761 information. It would be possible to instead create a table
3762 of changes which have to be made, as is done in coff-mips.c;
3763 that would be more work, but would require less memory when
3764 the linker is run. */
3765 elf_section_data (sec)->relocs = internal_relocs;
3766 elf_section_data (sec)->this_hdr.contents = contents;
3767 symtab_hdr->contents = (bfd_byte *) isymbuf;
3769 /* Replace the long call with a jarl. */
3770 if (bfd_get_arch (abfd) == bfd_arch_v850_rh850)
3771 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (hi_irelfn->r_info), R_V850_PCR22);
3773 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (hi_irelfn->r_info), R_V850_22_PCREL);
3777 if (ELF32_R_SYM (hi_irelfn->r_info) < symtab_hdr->sh_info)
3778 /* If this needs to be changed because of future relaxing,
3779 it will be handled here like other internal IND12W
3782 0x00000780 | (JARL_R2 (insn[2])<<11) | ((addend << 16) & 0xffff) | ((addend >> 16) & 0xf),
3783 contents + irel->r_offset);
3785 /* We can't fully resolve this yet, because the external
3786 symbol value may be changed by future relaxing.
3787 We let the final link phase handle it. */
3788 bfd_put_32 (abfd, 0x00000780 | (JARL_R2 (insn[2])<<11),
3789 contents + irel->r_offset);
3792 ELF32_R_INFO (ELF32_R_SYM (hi_irelfn->r_info), R_V850_NONE);
3794 ELF32_R_INFO (ELF32_R_SYM (lo_irelfn->r_info), R_V850_NONE);
3796 ELF32_R_INFO (ELF32_R_SYM (irelcall->r_info), R_V850_NONE);
3798 if (! v850_elf_relax_delete_bytes (abfd, sec,
3799 irel->r_offset + 4, toaddr, 12))
3802 align_pad_size += 12;
3804 else if (ELF32_R_TYPE (irel->r_info) == (int) R_V850_LONGJUMP)
3806 /* Check code for -mlong-jumps output. */
3807 if (laddr + 10 <= (bfd_vma) sec->size)
3809 insn[0] = bfd_get_16 (abfd, contents + laddr);
3810 insn[1] = bfd_get_16 (abfd, contents + laddr + 4);
3811 insn[2] = bfd_get_16 (abfd, contents + laddr + 8);
3813 if ((insn[0] & MOVHI_MASK) != MOVHI
3814 || MOVHI_R1 (insn[0]) != 0)
3818 && ((insn[1] & MOVEA_MASK) != MOVEA
3819 || MOVHI_R2 (insn[0]) != MOVEA_R1 (insn[1])))
3823 && ((insn[2] & JMP_R_MASK) != JMP_R
3824 || MOVEA_R2 (insn[1]) != JMP_R1 (insn[2])))
3829 ((*_bfd_error_handler)
3830 ("%s: 0x%lx: warning: R_V850_LONGJUMP points to unrecognized insns",
3831 bfd_get_filename (abfd), (unsigned long) irel->r_offset));
3838 ((*_bfd_error_handler)
3839 ("%s: 0x%lx: warning: R_V850_LONGJUMP points to unrecognized insn 0x%x",
3840 bfd_get_filename (abfd), (unsigned long) irel->r_offset+no_match, insn[no_match]));
3845 /* Get the reloc for the address from which the register is
3846 being loaded. This reloc will tell us which function is
3847 actually being called. */
3848 for (hi_irelfn = internal_relocs; hi_irelfn < irelend; hi_irelfn ++)
3850 r_type = ELF32_R_TYPE (hi_irelfn->r_info);
3852 if (hi_irelfn->r_offset == laddr + 2
3853 && ((r_type == (int) R_V850_HI16_S) || r_type == (int) R_V810_WHI1))
3857 for (lo_irelfn = internal_relocs; lo_irelfn < irelend; lo_irelfn ++)
3859 r_type = ELF32_R_TYPE (lo_irelfn->r_info);
3861 if (lo_irelfn->r_offset == laddr + 6
3862 && (r_type == (int) R_V850_LO16 || r_type == (int) R_V810_WLO))
3866 if ( hi_irelfn == irelend
3867 || lo_irelfn == irelend)
3869 ((*_bfd_error_handler)
3870 ("%s: 0x%lx: warning: R_V850_LONGJUMP points to unrecognized reloc",
3871 bfd_get_filename (abfd), (unsigned long) irel->r_offset ));
3876 /* Get the value of the symbol referred to by the reloc. */
3877 if (ELF32_R_SYM (hi_irelfn->r_info) < symtab_hdr->sh_info)
3879 Elf_Internal_Sym * isym;
3882 /* A local symbol. */
3883 isym = isymbuf + ELF32_R_SYM (hi_irelfn->r_info);
3885 if (isym->st_shndx == SHN_UNDEF)
3886 sym_sec = bfd_und_section_ptr;
3887 else if (isym->st_shndx == SHN_ABS)
3888 sym_sec = bfd_abs_section_ptr;
3889 else if (isym->st_shndx == SHN_COMMON)
3890 sym_sec = bfd_com_section_ptr;
3892 sym_sec = bfd_section_from_elf_index (abfd, isym->st_shndx);
3893 symval = (isym->st_value
3894 + sym_sec->output_section->vma
3895 + sym_sec->output_offset);
3898 char * name = bfd_elf_string_from_elf_section
3899 (abfd, symtab_hdr->sh_link, isym->st_name);
3901 fprintf (stderr, "relax long jump local: sec: %s, sym: %s (%d), value: %x + %x + %x addend %x\n",
3902 sym_sec->name, name, isym->st_name,
3903 sym_sec->output_section->vma,
3904 sym_sec->output_offset,
3905 isym->st_value, irel->r_addend);
3912 struct elf_link_hash_entry * h;
3914 /* An external symbol. */
3915 indx = ELF32_R_SYM (irel->r_info) - symtab_hdr->sh_info;
3916 h = elf_sym_hashes (abfd)[indx];
3917 BFD_ASSERT (h != NULL);
3919 if ( h->root.type != bfd_link_hash_defined
3920 && h->root.type != bfd_link_hash_defweak)
3921 /* This appears to be a reference to an undefined
3922 symbol. Just ignore it--it will be caught by the
3923 regular reloc processing. */
3926 symval = (h->root.u.def.value
3927 + h->root.u.def.section->output_section->vma
3928 + h->root.u.def.section->output_offset);
3931 "relax longjump defined: sec: %s, name: %s, value: %x + %x + %x addend %x\n",
3932 sec->name, h->root.root.string, h->root.u.def.value,
3933 sec->output_section->vma, sec->output_offset, irel->r_addend);
3937 addend = irel->r_addend;
3939 foff = (symval + addend
3941 + sec->output_section->vma
3942 + sec->output_offset
3945 fprintf (stderr, "relax longjump r_offset 0x%x ptr 0x%x symbol 0x%x addend 0x%x distance 0x%x\n",
3948 + sec->output_section->vma
3949 + sec->output_offset),
3950 symval, addend, foff);
3952 if (foff < -0x100000 || foff >= 0x100000)
3953 /* After all that work, we can't shorten this function call. */
3956 /* For simplicity of coding, we are going to modify the section
3957 contents, the section relocs, and the BFD symbol table. We
3958 must tell the rest of the code not to free up this
3959 information. It would be possible to instead create a table
3960 of changes which have to be made, as is done in coff-mips.c;
3961 that would be more work, but would require less memory when
3962 the linker is run. */
3963 elf_section_data (sec)->relocs = internal_relocs;
3964 elf_section_data (sec)->this_hdr.contents = contents;
3965 symtab_hdr->contents = (bfd_byte *) isymbuf;
3967 if (foff < -0x100 || foff >= 0x100)
3969 /* Replace the long jump with a jr. */
3971 if (bfd_get_arch (abfd) == bfd_arch_v850_rh850)
3972 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info), R_V850_PCR22);
3975 ELF32_R_INFO (ELF32_R_SYM (irel->r_info), R_V850_22_PCREL);
3977 irel->r_addend = addend;
3980 if (ELF32_R_SYM (hi_irelfn->r_info) < symtab_hdr->sh_info)
3981 /* If this needs to be changed because of future relaxing,
3982 it will be handled here like other internal IND12W
3985 0x00000780 | ((addend << 15) & 0xffff0000) | ((addend >> 17) & 0xf),
3986 contents + irel->r_offset);
3988 /* We can't fully resolve this yet, because the external
3989 symbol value may be changed by future relaxing.
3990 We let the final link phase handle it. */
3991 bfd_put_32 (abfd, 0x00000780, contents + irel->r_offset);
3994 ELF32_R_INFO (ELF32_R_SYM (hi_irelfn->r_info), R_V850_NONE);
3996 ELF32_R_INFO (ELF32_R_SYM (lo_irelfn->r_info), R_V850_NONE);
3997 if (!v850_elf_relax_delete_bytes (abfd, sec,
3998 irel->r_offset + 4, toaddr, 6))
4001 align_pad_size += 6;
4005 /* Replace the long jump with a br. */
4007 if (bfd_get_arch (abfd) == bfd_arch_v850_rh850)
4008 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info), R_V850_PC9);
4011 ELF32_R_INFO (ELF32_R_SYM (irel->r_info), R_V850_9_PCREL);
4013 irel->r_addend = addend;
4016 if (ELF32_R_SYM (hi_irelfn->r_info) < symtab_hdr->sh_info)
4017 /* If this needs to be changed because of future relaxing,
4018 it will be handled here like other internal IND12W
4021 0x0585 | ((addend << 10) & 0xf800) | ((addend << 3) & 0x0070),
4022 contents + irel->r_offset);
4024 /* We can't fully resolve this yet, because the external
4025 symbol value may be changed by future relaxing.
4026 We let the final link phase handle it. */
4027 bfd_put_16 (abfd, 0x0585, contents + irel->r_offset);
4030 ELF32_R_INFO (ELF32_R_SYM (hi_irelfn->r_info), R_V850_NONE);
4032 ELF32_R_INFO (ELF32_R_SYM (lo_irelfn->r_info), R_V850_NONE);
4033 if (!v850_elf_relax_delete_bytes (abfd, sec,
4034 irel->r_offset + 2, toaddr, 8))
4037 align_pad_size += 8;
4043 for (irel = internal_relocs; irel < irelend; irel++)
4045 if (ELF32_R_TYPE (irel->r_info) == (int) R_V850_ALIGN
4046 && irel->r_offset == toaddr)
4048 irel->r_offset -= align_pad_size;
4050 if (irelalign == NULL || irelalign->r_addend > irel->r_addend)
4061 fprintf (stderr, "relax pad %d shorten %d -> %d\n",
4064 sec->size - align_pad_size);
4066 sec->size -= align_pad_size;
4070 if (internal_relocs != NULL
4071 && elf_section_data (sec)->relocs != internal_relocs)
4072 free (internal_relocs);
4074 if (contents != NULL
4075 && elf_section_data (sec)->this_hdr.contents != (unsigned char *) contents)
4079 && symtab_hdr->contents != (bfd_byte *) isymbuf)
4089 static const struct bfd_elf_special_section v850_elf_special_sections[] =
4091 { STRING_COMMA_LEN (".call_table_data"), 0, SHT_PROGBITS, (SHF_ALLOC + SHF_WRITE) },
4092 { STRING_COMMA_LEN (".call_table_text"), 0, SHT_PROGBITS, (SHF_ALLOC + SHF_WRITE
4094 { STRING_COMMA_LEN (".rosdata"), -2, SHT_PROGBITS, (SHF_ALLOC
4095 + SHF_V850_GPREL) },
4096 { STRING_COMMA_LEN (".rozdata"), -2, SHT_PROGBITS, (SHF_ALLOC
4097 + SHF_V850_R0REL) },
4098 { STRING_COMMA_LEN (".sbss"), -2, SHT_NOBITS, (SHF_ALLOC + SHF_WRITE
4099 + SHF_V850_GPREL) },
4100 { STRING_COMMA_LEN (".scommon"), -2, SHT_V850_SCOMMON, (SHF_ALLOC + SHF_WRITE
4101 + SHF_V850_GPREL) },
4102 { STRING_COMMA_LEN (".sdata"), -2, SHT_PROGBITS, (SHF_ALLOC + SHF_WRITE
4103 + SHF_V850_GPREL) },
4104 { STRING_COMMA_LEN (".tbss"), -2, SHT_NOBITS, (SHF_ALLOC + SHF_WRITE
4105 + SHF_V850_EPREL) },
4106 { STRING_COMMA_LEN (".tcommon"), -2, SHT_V850_TCOMMON, (SHF_ALLOC + SHF_WRITE
4107 + SHF_V850_R0REL) },
4108 { STRING_COMMA_LEN (".tdata"), -2, SHT_PROGBITS, (SHF_ALLOC + SHF_WRITE
4109 + SHF_V850_EPREL) },
4110 { STRING_COMMA_LEN (".zbss"), -2, SHT_NOBITS, (SHF_ALLOC + SHF_WRITE
4111 + SHF_V850_R0REL) },
4112 { STRING_COMMA_LEN (".zcommon"), -2, SHT_V850_ZCOMMON, (SHF_ALLOC + SHF_WRITE
4113 + SHF_V850_R0REL) },
4114 { STRING_COMMA_LEN (".zdata"), -2, SHT_PROGBITS, (SHF_ALLOC + SHF_WRITE
4115 + SHF_V850_R0REL) },
4116 { NULL, 0, 0, 0, 0 }
4119 #define TARGET_LITTLE_SYM v850_elf32_vec
4120 #define TARGET_LITTLE_NAME "elf32-v850"
4121 #define ELF_ARCH bfd_arch_v850
4122 #define ELF_MACHINE_CODE EM_V850
4123 #define ELF_MACHINE_ALT1 EM_CYGNUS_V850
4124 #define ELF_MAXPAGESIZE 0x1000
4126 #define elf_info_to_howto v850_elf_info_to_howto_rela
4127 #define elf_info_to_howto_rel v850_elf_info_to_howto_rel
4129 #define elf_backend_check_relocs v850_elf_check_relocs
4130 #define elf_backend_relocate_section v850_elf_relocate_section
4131 #define elf_backend_object_p v850_elf_object_p
4132 #define elf_backend_final_write_processing v850_elf_final_write_processing
4133 #define elf_backend_section_from_bfd_section v850_elf_section_from_bfd_section
4134 #define elf_backend_symbol_processing v850_elf_symbol_processing
4135 #define elf_backend_add_symbol_hook v850_elf_add_symbol_hook
4136 #define elf_backend_link_output_symbol_hook v850_elf_link_output_symbol_hook
4137 #define elf_backend_section_from_shdr v850_elf_section_from_shdr
4138 #define elf_backend_fake_sections v850_elf_fake_sections
4139 #define elf_backend_gc_mark_hook v850_elf_gc_mark_hook
4140 #define elf_backend_special_sections v850_elf_special_sections
4142 #define elf_backend_can_gc_sections 1
4143 #define elf_backend_rela_normal 1
4145 #define bfd_elf32_bfd_is_local_label_name v850_elf_is_local_label_name
4146 #define bfd_elf32_bfd_is_target_special_symbol v850_elf_is_target_special_symbol
4148 #define bfd_elf32_bfd_reloc_type_lookup v850_elf_reloc_type_lookup
4149 #define bfd_elf32_bfd_reloc_name_lookup v850_elf_reloc_name_lookup
4150 #define bfd_elf32_bfd_merge_private_bfd_data v850_elf_merge_private_bfd_data
4151 #define bfd_elf32_bfd_set_private_flags v850_elf_set_private_flags
4152 #define bfd_elf32_bfd_print_private_bfd_data v850_elf_print_private_bfd_data
4153 #define bfd_elf32_bfd_relax_section v850_elf_relax_section
4155 #define elf_symbol_leading_char '_'
4158 #define elf32_bed elf32_v850_bed
4160 #include "elf32-target.h"
4162 /* Map BFD reloc types to V800 ELF reloc types. */
4164 static const struct v850_elf_reloc_map v800_elf_reloc_map[] =
4166 { BFD_RELOC_NONE, R_V810_NONE },
4167 { BFD_RELOC_8, R_V810_BYTE },
4168 { BFD_RELOC_16, R_V810_HWORD },
4169 { BFD_RELOC_32, R_V810_WORD },
4170 { BFD_RELOC_LO16, R_V810_WLO },
4171 { BFD_RELOC_HI16, R_V810_WHI },
4172 { BFD_RELOC_HI16_S, R_V810_WHI1 },
4173 { BFD_RELOC_V850_32_PCREL, R_V850_PC32 },
4174 { BFD_RELOC_V850_22_PCREL, R_V850_PCR22 },
4175 { BFD_RELOC_V850_17_PCREL, R_V850_PC17 },
4176 { BFD_RELOC_V850_16_PCREL, R_V850_PC16U },
4177 { BFD_RELOC_V850_9_PCREL, R_V850_PC9 },
4178 { BFD_RELOC_V850_LO16_S1, R_V810_WLO_1 }, /* Or R_V850_HWLO or R_V850_HWLO_1. */
4179 { BFD_RELOC_V850_23, R_V850_WLO23 },
4180 { BFD_RELOC_V850_LO16_SPLIT_OFFSET, R_V850_BLO },
4181 { BFD_RELOC_V850_ZDA_16_16_OFFSET, R_V810_HWORD },
4182 { BFD_RELOC_V850_TDA_16_16_OFFSET, R_V810_HWORD },
4183 { BFD_RELOC_V850_SDA_16_16_OFFSET, R_V810_HWORD },
4184 { BFD_RELOC_V850_SDA_15_16_OFFSET, R_V810_GPWLO_1 }
4187 /* Map a bfd relocation into the appropriate howto structure. */
4189 static reloc_howto_type *
4190 v800_elf_reloc_type_lookup (bfd * abfd, bfd_reloc_code_real_type code)
4194 BFD_ASSERT (bfd_get_arch (abfd) == bfd_arch_v850_rh850);
4196 for (i = ARRAY_SIZE (v800_elf_reloc_map); i --;)
4197 if (v800_elf_reloc_map[i].bfd_reloc_val == code)
4199 unsigned int elf_reloc_val = v800_elf_reloc_map[i].elf_reloc_val;
4200 unsigned int idx = elf_reloc_val - R_V810_NONE;
4202 BFD_ASSERT (v800_elf_howto_table[idx].type == elf_reloc_val);
4204 return v800_elf_howto_table + idx;
4208 fprintf (stderr, "failed to find v800 equiv of bfd reloc code %d\n", code);
4213 static reloc_howto_type *
4214 v800_elf_reloc_name_lookup (bfd * abfd, const char * r_name)
4218 BFD_ASSERT (bfd_get_arch (abfd) == bfd_arch_v850_rh850);
4220 for (i = ARRAY_SIZE (v800_elf_howto_table); i--;)
4221 if (v800_elf_howto_table[i].name != NULL
4222 && strcasecmp (v800_elf_howto_table[i].name, r_name) == 0)
4223 return v800_elf_howto_table + i;
4229 /* Set the howto pointer in CACHE_PTR for a V800 ELF reloc. */
4232 v800_elf_info_to_howto (bfd * abfd,
4233 arelent * cache_ptr,
4234 Elf_Internal_Rela * dst)
4236 unsigned int r_type = ELF32_R_TYPE (dst->r_info);
4238 BFD_ASSERT (bfd_get_arch (abfd) == bfd_arch_v850_rh850);
4240 BFD_ASSERT (r_type < (unsigned int) R_V800_max);
4242 if (r_type == R_V800_NONE)
4243 r_type = R_V810_NONE;
4245 BFD_ASSERT (r_type >= (unsigned int) R_V810_NONE);
4246 r_type -= R_V810_NONE;
4247 BFD_ASSERT (r_type < ARRAY_SIZE (v800_elf_howto_table));
4249 cache_ptr->howto = v800_elf_howto_table + r_type;
4252 #undef TARGET_LITTLE_SYM
4253 #define TARGET_LITTLE_SYM v800_elf32_vec
4254 #undef TARGET_LITTLE_NAME
4255 #define TARGET_LITTLE_NAME "elf32-v850-rh850"
4257 #define ELF_ARCH bfd_arch_v850_rh850
4258 #undef ELF_MACHINE_CODE
4259 #define ELF_MACHINE_CODE EM_V800
4260 #undef ELF_MACHINE_ALT1
4263 #define elf32_bed elf32_v850_rh850_bed
4265 #undef elf_info_to_howto
4266 #define elf_info_to_howto v800_elf_info_to_howto
4267 #undef elf_info_to_howto_rel
4268 #define elf_info_to_howto_rel NULL
4269 #undef bfd_elf32_bfd_reloc_type_lookup
4270 #define bfd_elf32_bfd_reloc_type_lookup v800_elf_reloc_type_lookup
4271 #undef bfd_elf32_bfd_reloc_name_lookup
4272 #define bfd_elf32_bfd_reloc_name_lookup v800_elf_reloc_name_lookup
4274 #include "elf32-target.h"
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