1 /* SuperH SH64-specific support for 64-bit ELF
2 Copyright 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
3 Free Software Foundation, Inc.
5 This file is part of BFD, the Binary File Descriptor library.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
20 MA 02110-1301, USA. */
31 /* Add a suffix for datalabel indirection symbols. It must not match any
32 other symbols; user symbols with or without version or other
33 decoration. It must only be used internally and not emitted by any
35 #define DATALABEL_SUFFIX " DL"
37 #define GOT_BIAS (-((long)-32768))
39 #define PLT_ENTRY_SIZE 64
41 /* Return size of a PLT entry. */
42 #define elf_sh64_sizeof_plt(info) PLT_ENTRY_SIZE
44 /* Return offset of the PLT0 address in an absolute PLT entry. */
45 #define elf_sh64_plt_plt0_offset(info) 32
47 /* Return offset of the linker in PLT0 entry. */
48 #define elf_sh64_plt0_gotplt_offset(info) 0
50 /* Return offset of the trampoline in PLT entry */
51 #define elf_sh64_plt_temp_offset(info) 33 /* Add one because it's SHmedia. */
53 /* Return offset of the symbol in PLT entry. */
54 #define elf_sh64_plt_symbol_offset(info) 0
56 /* Return offset of the relocation in PLT entry. */
57 #define elf_sh64_plt_reloc_offset(info) (info->shared ? 52 : 44)
59 #define ELF_DYNAMIC_INTERPRETER "/usr/lib/libc.so.1"
61 /* The sh linker needs to keep track of the number of relocs that it
62 decides to copy in check_relocs for each symbol. This is so that
63 it can discard PC relative relocs if it doesn't need them when
64 linking with -Bsymbolic. We store the information in a field
65 extending the regular ELF linker hash table. */
67 /* This structure keeps track of the number of PC relative relocs we
68 have copied for a given symbol. */
70 struct elf_sh64_pcrel_relocs_copied
73 struct elf_sh64_pcrel_relocs_copied *next;
74 /* A section in dynobj. */
76 /* Number of relocs copied in this section. */
80 /* sh ELF linker hash entry. */
82 struct elf_sh64_link_hash_entry
84 struct elf_link_hash_entry root;
86 bfd_vma datalabel_got_offset;
88 /* Number of PC relative relocs copied for this symbol. */
89 struct elf_sh64_pcrel_relocs_copied *pcrel_relocs_copied;
92 /* sh ELF linker hash table. */
94 struct elf_sh64_link_hash_table
96 struct elf_link_hash_table root;
99 /* Traverse an sh ELF linker hash table. */
101 #define sh64_elf64_link_hash_traverse(table, func, info) \
102 (elf_link_hash_traverse \
104 (bfd_boolean (*) (struct elf_link_hash_entry *, void *)) (func), \
107 /* Get the sh ELF linker hash table from a link_info structure. */
109 #define sh64_elf64_hash_table(p) \
110 ((struct elf_sh64_link_hash_table *) ((p)->hash))
112 static bfd_reloc_status_type sh_elf64_ignore_reloc
113 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
114 static bfd_reloc_status_type sh_elf64_reloc
115 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
117 static reloc_howto_type sh_elf64_howto_table[] = {
119 HOWTO (R_SH_NONE, /* type */
121 0, /* size (0 = byte, 1 = short, 2 = long) */
123 FALSE, /* pc_relative */
125 complain_overflow_dont, /* complain_on_overflow */
126 sh_elf64_ignore_reloc, /* special_function */
127 "R_SH_NONE", /* name */
128 FALSE, /* partial_inplace */
131 FALSE), /* pcrel_offset */
133 /* 32 bit absolute relocation. Setting partial_inplace to TRUE and
134 src_mask to a non-zero value is similar to the COFF toolchain. */
135 HOWTO (R_SH_DIR32, /* type */
137 2, /* size (0 = byte, 1 = short, 2 = long) */
139 FALSE, /* pc_relative */
141 complain_overflow_bitfield, /* complain_on_overflow */
142 sh_elf64_reloc, /* special_function */
143 "R_SH_DIR32", /* name */
144 TRUE, /* partial_inplace */
145 0xffffffff, /* src_mask */
146 0xffffffff, /* dst_mask */
147 FALSE), /* pcrel_offset */
149 /* 32 bit PC relative relocation. */
150 HOWTO (R_SH_REL32, /* type */
152 2, /* size (0 = byte, 1 = short, 2 = long) */
154 TRUE, /* pc_relative */
156 complain_overflow_signed, /* complain_on_overflow */
157 sh_elf64_ignore_reloc, /* special_function */
158 "R_SH_REL32", /* name */
159 FALSE, /* partial_inplace */
161 0xffffffff, /* dst_mask */
162 TRUE), /* pcrel_offset */
164 /* For 32-bit sh, this is R_SH_DIR8WPN. */
167 /* For 32-bit sh, this is R_SH_IND12W. */
170 /* For 32-bit sh, this is R_SH_DIR8WPL. */
173 /* For 32-bit sh, this is R_SH_DIR8WPZ. */
176 /* For 32-bit sh, this is R_SH_DIR8BP. */
179 /* For 32-bit sh, this is R_SH_DIR8W. */
182 /* For 32-bit sh, this is R_SH_DIR8L. */
201 /* The remaining relocs are a GNU extension used for relaxing. The
202 final pass of the linker never needs to do anything with any of
203 these relocs. Any required operations are handled by the
206 /* A 16 bit switch table entry. This is generated for an expression
207 such as ``.word L1 - L2''. The offset holds the difference
208 between the reloc address and L2. */
209 HOWTO (R_SH_SWITCH16, /* type */
211 1, /* size (0 = byte, 1 = short, 2 = long) */
213 FALSE, /* pc_relative */
215 complain_overflow_unsigned, /* complain_on_overflow */
216 sh_elf64_ignore_reloc, /* special_function */
217 "R_SH_SWITCH16", /* name */
218 FALSE, /* partial_inplace */
221 TRUE), /* pcrel_offset */
223 /* A 32 bit switch table entry. This is generated for an expression
224 such as ``.long L1 - L2''. The offset holds the difference
225 between the reloc address and L2. */
226 HOWTO (R_SH_SWITCH32, /* type */
228 2, /* size (0 = byte, 1 = short, 2 = long) */
230 FALSE, /* pc_relative */
232 complain_overflow_unsigned, /* complain_on_overflow */
233 sh_elf64_ignore_reloc, /* special_function */
234 "R_SH_SWITCH32", /* name */
235 FALSE, /* partial_inplace */
238 TRUE), /* pcrel_offset */
240 /* For 32-bit sh, this is R_SH_USES. */
243 /* For 32-bit sh, this is R_SH_COUNT. */
246 /* For 32-bit sh, this is R_SH_ALIGN. FIXME: For linker relaxation,
247 this might be emitted. When linker relaxation is implemented, we
248 might want to use it. */
251 /* For 32-bit sh, this is R_SH_CODE. FIXME: For linker relaxation,
252 this might be emitted. When linker relaxation is implemented, we
253 might want to use it. */
256 /* For 32-bit sh, this is R_SH_DATA. FIXME: For linker relaxation,
257 this might be emitted. When linker relaxation is implemented, we
258 might want to use it. */
261 /* For 32-bit sh, this is R_SH_LABEL. FIXME: For linker relaxation,
262 this might be emitted. When linker relaxation is implemented, we
263 might want to use it. */
266 /* An 8 bit switch table entry. This is generated for an expression
267 such as ``.word L1 - L2''. The offset holds the difference
268 between the reloc address and L2. */
269 HOWTO (R_SH_SWITCH8, /* type */
271 0, /* size (0 = byte, 1 = short, 2 = long) */
273 FALSE, /* pc_relative */
275 complain_overflow_unsigned, /* complain_on_overflow */
276 sh_elf64_ignore_reloc, /* special_function */
277 "R_SH_SWITCH8", /* name */
278 FALSE, /* partial_inplace */
281 TRUE), /* pcrel_offset */
283 /* GNU extension to record C++ vtable hierarchy */
284 HOWTO (R_SH_GNU_VTINHERIT, /* type */
286 2, /* size (0 = byte, 1 = short, 2 = long) */
288 FALSE, /* pc_relative */
290 complain_overflow_dont, /* complain_on_overflow */
291 NULL, /* special_function */
292 "R_SH_GNU_VTINHERIT", /* name */
293 FALSE, /* partial_inplace */
296 FALSE), /* pcrel_offset */
298 /* GNU extension to record C++ vtable member usage */
299 HOWTO (R_SH_GNU_VTENTRY, /* type */
301 2, /* size (0 = byte, 1 = short, 2 = long) */
303 FALSE, /* pc_relative */
305 complain_overflow_dont, /* complain_on_overflow */
306 _bfd_elf_rel_vtable_reloc_fn, /* special_function */
307 "R_SH_GNU_VTENTRY", /* name */
308 FALSE, /* partial_inplace */
311 FALSE), /* pcrel_offset */
313 /* For 32-bit sh, this is R_SH_LOOP_START. */
316 /* For 32-bit sh, this is R_SH_LOOP_END. */
327 /* Used in SHLLI.L and SHLRI.L. */
328 HOWTO (R_SH_DIR5U, /* type */
330 2, /* size (0 = byte, 1 = short, 2 = long) */
332 FALSE, /* pc_relative */
334 complain_overflow_unsigned, /* complain_on_overflow */
335 bfd_elf_generic_reloc, /* special_function */
336 "R_SH_DIR5U", /* name */
337 FALSE, /* partial_inplace */
339 0xfc00, /* dst_mask */
340 FALSE), /* pcrel_offset */
342 /* Used in SHARI, SHLLI et al. */
343 HOWTO (R_SH_DIR6U, /* type */
345 2, /* size (0 = byte, 1 = short, 2 = long) */
347 FALSE, /* pc_relative */
349 complain_overflow_unsigned, /* complain_on_overflow */
350 bfd_elf_generic_reloc, /* special_function */
351 "R_SH_DIR6U", /* name */
352 FALSE, /* partial_inplace */
354 0xfc00, /* dst_mask */
355 FALSE), /* pcrel_offset */
357 /* Used in BxxI, LDHI.L et al. */
358 HOWTO (R_SH_DIR6S, /* type */
360 2, /* size (0 = byte, 1 = short, 2 = long) */
362 FALSE, /* pc_relative */
364 complain_overflow_signed, /* complain_on_overflow */
365 bfd_elf_generic_reloc, /* special_function */
366 "R_SH_DIR6S", /* name */
367 FALSE, /* partial_inplace */
369 0xfc00, /* dst_mask */
370 FALSE), /* pcrel_offset */
372 /* Used in ADDI, ANDI et al. */
373 HOWTO (R_SH_DIR10S, /* type */
375 2, /* size (0 = byte, 1 = short, 2 = long) */
377 FALSE, /* pc_relative */
379 complain_overflow_signed, /* complain_on_overflow */
380 bfd_elf_generic_reloc, /* special_function */
381 "R_SH_DIR10S", /* name */
382 FALSE, /* partial_inplace */
384 0xffc00, /* dst_mask */
385 FALSE), /* pcrel_offset */
387 /* Used in LD.UW, ST.W et al. */
388 HOWTO (R_SH_DIR10SW, /* type */
390 2, /* size (0 = byte, 1 = short, 2 = long) */
392 FALSE, /* pc_relative */
394 complain_overflow_signed, /* complain_on_overflow */
395 bfd_elf_generic_reloc, /* special_function */
396 "R_SH_DIR10SW", /* name */
397 FALSE, /* partial_inplace */
399 0xffc00, /* dst_mask */
400 FALSE), /* pcrel_offset */
402 /* Used in LD.L, FLD.S et al. */
403 HOWTO (R_SH_DIR10SL, /* type */
405 2, /* size (0 = byte, 1 = short, 2 = long) */
407 FALSE, /* pc_relative */
409 complain_overflow_signed, /* complain_on_overflow */
410 bfd_elf_generic_reloc, /* special_function */
411 "R_SH_DIR10SL", /* name */
412 FALSE, /* partial_inplace */
414 0xffc00, /* dst_mask */
415 FALSE), /* pcrel_offset */
417 /* Used in FLD.D, FST.P et al. */
418 HOWTO (R_SH_DIR10SQ, /* type */
420 2, /* size (0 = byte, 1 = short, 2 = long) */
422 FALSE, /* pc_relative */
424 complain_overflow_signed, /* complain_on_overflow */
425 bfd_elf_generic_reloc, /* special_function */
426 "R_SH_DIR10SQ", /* name */
427 FALSE, /* partial_inplace */
429 0xffc00, /* dst_mask */
430 FALSE), /* pcrel_offset */
541 /* Relocs for dynamic linking for 32-bit SH would follow. We don't have
542 any dynamic linking support for 64-bit SH at present. */
554 /* Back to SH5 relocations. */
555 /* Used in MOVI and SHORI (x & 65536). */
556 HOWTO (R_SH_GOT_LOW16, /* type */
558 2, /* size (0 = byte, 1 = short, 2 = long) */
560 FALSE, /* pc_relative */
562 complain_overflow_dont, /* complain_on_overflow */
563 bfd_elf_generic_reloc, /* special_function */
564 "R_SH_GOT_LOW16", /* name */
565 FALSE, /* partial_inplace */
567 0x3fffc00, /* dst_mask */
568 FALSE), /* pcrel_offset */
570 /* Used in MOVI and SHORI ((x >> 16) & 65536). */
571 HOWTO (R_SH_GOT_MEDLOW16, /* type */
573 2, /* size (0 = byte, 1 = short, 2 = long) */
575 FALSE, /* pc_relative */
577 complain_overflow_dont, /* complain_on_overflow */
578 bfd_elf_generic_reloc, /* special_function */
579 "R_SH_GOT_MEDLOW16", /* name */
580 FALSE, /* partial_inplace */
582 0x3fffc00, /* dst_mask */
583 FALSE), /* pcrel_offset */
585 /* Used in MOVI and SHORI ((x >> 32) & 65536). */
586 HOWTO (R_SH_GOT_MEDHI16, /* type */
588 2, /* size (0 = byte, 1 = short, 2 = long) */
590 FALSE, /* pc_relative */
592 complain_overflow_dont, /* complain_on_overflow */
593 bfd_elf_generic_reloc, /* special_function */
594 "R_SH_GOT_MEDHI16", /* name */
595 FALSE, /* partial_inplace */
597 0x3fffc00, /* dst_mask */
598 FALSE), /* pcrel_offset */
600 /* Used in MOVI and SHORI ((x >> 48) & 65536). */
601 HOWTO (R_SH_GOT_HI16, /* type */
603 2, /* size (0 = byte, 1 = short, 2 = long) */
605 FALSE, /* pc_relative */
607 complain_overflow_dont, /* complain_on_overflow */
608 bfd_elf_generic_reloc, /* special_function */
609 "R_SH_GOT_HI16", /* name */
610 FALSE, /* partial_inplace */
612 0x3fffc00, /* dst_mask */
613 FALSE), /* pcrel_offset */
615 /* Used in MOVI and SHORI (x & 65536). */
616 HOWTO (R_SH_GOTPLT_LOW16, /* type */
618 2, /* size (0 = byte, 1 = short, 2 = long) */
620 FALSE, /* pc_relative */
622 complain_overflow_dont, /* complain_on_overflow */
623 bfd_elf_generic_reloc, /* special_function */
624 "R_SH_GOTPLT_LOW16", /* name */
625 FALSE, /* partial_inplace */
627 0x3fffc00, /* dst_mask */
628 FALSE), /* pcrel_offset */
630 /* Used in MOVI and SHORI ((x >> 16) & 65536). */
631 HOWTO (R_SH_GOTPLT_MEDLOW16, /* type */
633 2, /* size (0 = byte, 1 = short, 2 = long) */
635 FALSE, /* pc_relative */
637 complain_overflow_dont, /* complain_on_overflow */
638 bfd_elf_generic_reloc, /* special_function */
639 "R_SH_GOTPLT_MEDLOW16", /* name */
640 FALSE, /* partial_inplace */
642 0x3fffc00, /* dst_mask */
643 FALSE), /* pcrel_offset */
645 /* Used in MOVI and SHORI ((x >> 32) & 65536). */
646 HOWTO (R_SH_GOTPLT_MEDHI16, /* type */
648 2, /* size (0 = byte, 1 = short, 2 = long) */
650 FALSE, /* pc_relative */
652 complain_overflow_dont, /* complain_on_overflow */
653 bfd_elf_generic_reloc, /* special_function */
654 "R_SH_GOTPLT_MEDHI16", /* name */
655 FALSE, /* partial_inplace */
657 0x3fffc00, /* dst_mask */
658 FALSE), /* pcrel_offset */
660 /* Used in MOVI and SHORI ((x >> 48) & 65536). */
661 HOWTO (R_SH_GOTPLT_HI16, /* type */
663 2, /* size (0 = byte, 1 = short, 2 = long) */
665 FALSE, /* pc_relative */
667 complain_overflow_dont, /* complain_on_overflow */
668 bfd_elf_generic_reloc, /* special_function */
669 "R_SH_GOTPLT_HI16", /* name */
670 FALSE, /* partial_inplace */
672 0x3fffc00, /* dst_mask */
673 FALSE), /* pcrel_offset */
675 /* Used in MOVI and SHORI (x & 65536). */
676 HOWTO (R_SH_PLT_LOW16, /* type */
678 2, /* size (0 = byte, 1 = short, 2 = long) */
680 TRUE, /* pc_relative */
682 complain_overflow_dont, /* complain_on_overflow */
683 bfd_elf_generic_reloc, /* special_function */
684 "R_SH_PLT_LOW16", /* name */
685 FALSE, /* partial_inplace */
687 0x3fffc00, /* dst_mask */
688 TRUE), /* pcrel_offset */
690 /* Used in MOVI and SHORI ((x >> 16) & 65536). */
691 HOWTO (R_SH_PLT_MEDLOW16, /* type */
693 2, /* size (0 = byte, 1 = short, 2 = long) */
695 TRUE, /* pc_relative */
697 complain_overflow_dont, /* complain_on_overflow */
698 bfd_elf_generic_reloc, /* special_function */
699 "R_SH_PLT_MEDLOW16", /* name */
700 FALSE, /* partial_inplace */
702 0x3fffc00, /* dst_mask */
703 TRUE), /* pcrel_offset */
705 /* Used in MOVI and SHORI ((x >> 32) & 65536). */
706 HOWTO (R_SH_PLT_MEDHI16, /* type */
708 2, /* size (0 = byte, 1 = short, 2 = long) */
710 TRUE, /* pc_relative */
712 complain_overflow_dont, /* complain_on_overflow */
713 bfd_elf_generic_reloc, /* special_function */
714 "R_SH_PLT_MEDHI16", /* name */
715 FALSE, /* partial_inplace */
717 0x3fffc00, /* dst_mask */
718 TRUE), /* pcrel_offset */
720 /* Used in MOVI and SHORI ((x >> 48) & 65536). */
721 HOWTO (R_SH_PLT_HI16, /* type */
723 2, /* size (0 = byte, 1 = short, 2 = long) */
725 TRUE, /* pc_relative */
727 complain_overflow_dont, /* complain_on_overflow */
728 bfd_elf_generic_reloc, /* special_function */
729 "R_SH_PLT_HI16", /* name */
730 FALSE, /* partial_inplace */
732 0x3fffc00, /* dst_mask */
733 TRUE), /* pcrel_offset */
735 /* Used in MOVI and SHORI (x & 65536). */
736 HOWTO (R_SH_GOTOFF_LOW16, /* type */
738 2, /* size (0 = byte, 1 = short, 2 = long) */
740 FALSE, /* pc_relative */
742 complain_overflow_dont, /* complain_on_overflow */
743 bfd_elf_generic_reloc, /* special_function */
744 "R_SH_GOTOFF_LOW16", /* name */
745 FALSE, /* partial_inplace */
747 0x3fffc00, /* dst_mask */
748 FALSE), /* pcrel_offset */
750 /* Used in MOVI and SHORI ((x >> 16) & 65536). */
751 HOWTO (R_SH_GOTOFF_MEDLOW16, /* type */
753 2, /* size (0 = byte, 1 = short, 2 = long) */
755 FALSE, /* pc_relative */
757 complain_overflow_dont, /* complain_on_overflow */
758 bfd_elf_generic_reloc, /* special_function */
759 "R_SH_GOTOFF_MEDLOW16", /* name */
760 FALSE, /* partial_inplace */
762 0x3fffc00, /* dst_mask */
763 FALSE), /* pcrel_offset */
765 /* Used in MOVI and SHORI ((x >> 32) & 65536). */
766 HOWTO (R_SH_GOTOFF_MEDHI16, /* type */
768 2, /* size (0 = byte, 1 = short, 2 = long) */
770 FALSE, /* pc_relative */
772 complain_overflow_dont, /* complain_on_overflow */
773 bfd_elf_generic_reloc, /* special_function */
774 "R_SH_GOTOFF_MEDHI16", /* name */
775 FALSE, /* partial_inplace */
777 0x3fffc00, /* dst_mask */
778 FALSE), /* pcrel_offset */
780 /* Used in MOVI and SHORI ((x >> 48) & 65536). */
781 HOWTO (R_SH_GOTOFF_HI16, /* type */
783 2, /* size (0 = byte, 1 = short, 2 = long) */
785 FALSE, /* pc_relative */
787 complain_overflow_dont, /* complain_on_overflow */
788 bfd_elf_generic_reloc, /* special_function */
789 "R_SH_GOTOFF_HI16", /* name */
790 FALSE, /* partial_inplace */
792 0x3fffc00, /* dst_mask */
793 FALSE), /* pcrel_offset */
795 /* Used in MOVI and SHORI (x & 65536). */
796 HOWTO (R_SH_GOTPC_LOW16, /* type */
798 2, /* size (0 = byte, 1 = short, 2 = long) */
800 TRUE, /* pc_relative */
802 complain_overflow_dont, /* complain_on_overflow */
803 bfd_elf_generic_reloc, /* special_function */
804 "R_SH_GOTPC_LOW16", /* name */
805 FALSE, /* partial_inplace */
807 0x3fffc00, /* dst_mask */
808 TRUE), /* pcrel_offset */
810 /* Used in MOVI and SHORI ((x >> 16) & 65536). */
811 HOWTO (R_SH_GOTPC_MEDLOW16, /* type */
813 2, /* size (0 = byte, 1 = short, 2 = long) */
815 TRUE, /* pc_relative */
817 complain_overflow_dont, /* complain_on_overflow */
818 bfd_elf_generic_reloc, /* special_function */
819 "R_SH_GOTPC_MEDLOW16", /* name */
820 FALSE, /* partial_inplace */
822 0x3fffc00, /* dst_mask */
823 TRUE), /* pcrel_offset */
825 /* Used in MOVI and SHORI ((x >> 32) & 65536). */
826 HOWTO (R_SH_GOTPC_MEDHI16, /* type */
828 2, /* size (0 = byte, 1 = short, 2 = long) */
830 TRUE, /* pc_relative */
832 complain_overflow_dont, /* complain_on_overflow */
833 bfd_elf_generic_reloc, /* special_function */
834 "R_SH_GOTPC_MEDHI16", /* name */
835 FALSE, /* partial_inplace */
837 0x3fffc00, /* dst_mask */
838 TRUE), /* pcrel_offset */
840 /* Used in MOVI and SHORI ((x >> 48) & 65536). */
841 HOWTO (R_SH_GOTPC_HI16, /* type */
843 2, /* size (0 = byte, 1 = short, 2 = long) */
845 TRUE, /* pc_relative */
847 complain_overflow_dont, /* complain_on_overflow */
848 bfd_elf_generic_reloc, /* special_function */
849 "R_SH_GOTPC_HI16", /* name */
850 FALSE, /* partial_inplace */
852 0x3fffc00, /* dst_mask */
853 TRUE), /* pcrel_offset */
855 /* Used in LD.L, FLD.S et al. */
856 HOWTO (R_SH_GOT10BY4, /* type */
858 2, /* size (0 = byte, 1 = short, 2 = long) */
860 FALSE, /* pc_relative */
862 complain_overflow_signed, /* complain_on_overflow */
863 bfd_elf_generic_reloc, /* special_function */
864 "R_SH_GOT10BY4", /* name */
865 FALSE, /* partial_inplace */
867 0xffc00, /* dst_mask */
868 FALSE), /* pcrel_offset */
870 /* Used in LD.L, FLD.S et al. */
871 HOWTO (R_SH_GOTPLT10BY4, /* type */
873 2, /* size (0 = byte, 1 = short, 2 = long) */
875 FALSE, /* pc_relative */
877 complain_overflow_signed, /* complain_on_overflow */
878 bfd_elf_generic_reloc, /* special_function */
879 "R_SH_GOTPLT10BY4", /* name */
880 FALSE, /* partial_inplace */
882 0xffc00, /* dst_mask */
883 FALSE), /* pcrel_offset */
885 /* Used in FLD.D, FST.P et al. */
886 HOWTO (R_SH_GOT10BY8, /* type */
888 2, /* size (0 = byte, 1 = short, 2 = long) */
890 FALSE, /* pc_relative */
892 complain_overflow_signed, /* complain_on_overflow */
893 bfd_elf_generic_reloc, /* special_function */
894 "R_SH_GOT10BY8", /* name */
895 FALSE, /* partial_inplace */
897 0xffc00, /* dst_mask */
898 FALSE), /* pcrel_offset */
900 /* Used in FLD.D, FST.P et al. */
901 HOWTO (R_SH_GOTPLT10BY8, /* type */
903 2, /* size (0 = byte, 1 = short, 2 = long) */
905 FALSE, /* pc_relative */
907 complain_overflow_signed, /* complain_on_overflow */
908 bfd_elf_generic_reloc, /* special_function */
909 "R_SH_GOTPLT10BY8", /* name */
910 FALSE, /* partial_inplace */
912 0xffc00, /* dst_mask */
913 FALSE), /* pcrel_offset */
915 HOWTO (R_SH_COPY64, /* type */
917 4, /* size (0 = byte, 1 = short, 2 = long) */
919 FALSE, /* pc_relative */
921 complain_overflow_dont, /* complain_on_overflow */
922 bfd_elf_generic_reloc, /* special_function */
923 "R_SH_COPY64", /* name */
924 FALSE, /* partial_inplace */
926 ((bfd_vma) 0) - 1, /* dst_mask */
927 FALSE), /* pcrel_offset */
929 HOWTO (R_SH_GLOB_DAT64, /* type */
931 4, /* size (0 = byte, 1 = short, 2 = long) */
933 FALSE, /* pc_relative */
935 complain_overflow_dont, /* complain_on_overflow */
936 bfd_elf_generic_reloc, /* special_function */
937 "R_SH_GLOB_DAT64", /* name */
938 FALSE, /* partial_inplace */
940 ((bfd_vma) 0) - 1, /* dst_mask */
941 FALSE), /* pcrel_offset */
943 HOWTO (R_SH_JMP_SLOT64, /* type */
945 4, /* size (0 = byte, 1 = short, 2 = long) */
947 FALSE, /* pc_relative */
949 complain_overflow_dont, /* complain_on_overflow */
950 bfd_elf_generic_reloc, /* special_function */
951 "R_SH_JMP_SLOT64", /* name */
952 FALSE, /* partial_inplace */
954 ((bfd_vma) 0) - 1, /* dst_mask */
955 FALSE), /* pcrel_offset */
957 HOWTO (R_SH_RELATIVE64, /* type */
959 4, /* size (0 = byte, 1 = short, 2 = long) */
961 FALSE, /* pc_relative */
963 complain_overflow_dont, /* complain_on_overflow */
964 bfd_elf_generic_reloc, /* special_function */
965 "R_SH_RELATIVE64", /* name */
966 FALSE, /* partial_inplace */
968 ((bfd_vma) 0) - 1, /* dst_mask */
969 FALSE), /* pcrel_offset */
1017 /* Relocations for SHmedia code. None of these are partial_inplace or
1018 use the field being relocated. */
1020 /* The assembler will generate this reloc before a block of SHmedia
1021 instructions. A section should be processed as assuming it contains
1022 data, unless this reloc is seen. Note that a block of SHcompact
1023 instructions are instead preceded by R_SH_CODE.
1024 This is currently not implemented, but should be used for SHmedia
1025 linker relaxation. */
1026 HOWTO (R_SH_SHMEDIA_CODE, /* type */
1028 1, /* size (0 = byte, 1 = short, 2 = long) */
1030 FALSE, /* pc_relative */
1032 complain_overflow_unsigned, /* complain_on_overflow */
1033 sh_elf64_ignore_reloc, /* special_function */
1034 "R_SH_SHMEDIA_CODE", /* name */
1035 FALSE, /* partial_inplace */
1038 FALSE), /* pcrel_offset */
1040 /* The assembler will generate this reloc at a PTA or PTB instruction,
1041 and the linker checks the right type of target, or changes a PTA to a
1042 PTB, if the original insn was PT. */
1043 HOWTO (R_SH_PT_16, /* type */
1045 2, /* size (0 = byte, 1 = short, 2 = long) */
1047 TRUE, /* pc_relative */
1049 complain_overflow_signed, /* complain_on_overflow */
1050 bfd_elf_generic_reloc, /* special_function */
1051 "R_SH_PT_16", /* name */
1052 FALSE, /* partial_inplace */
1054 0x3fffc00, /* dst_mask */
1055 TRUE), /* pcrel_offset */
1057 /* Used in unexpanded MOVI. */
1058 HOWTO (R_SH_IMMS16, /* type */
1060 2, /* size (0 = byte, 1 = short, 2 = long) */
1062 FALSE, /* pc_relative */
1064 complain_overflow_signed, /* complain_on_overflow */
1065 bfd_elf_generic_reloc, /* special_function */
1066 "R_SH_IMMS16", /* name */
1067 FALSE, /* partial_inplace */
1069 0x3fffc00, /* dst_mask */
1070 FALSE), /* pcrel_offset */
1072 /* Used in SHORI. */
1073 HOWTO (R_SH_IMMU16, /* type */
1075 2, /* size (0 = byte, 1 = short, 2 = long) */
1077 FALSE, /* pc_relative */
1079 complain_overflow_unsigned, /* complain_on_overflow */
1080 bfd_elf_generic_reloc, /* special_function */
1081 "R_SH_IMMU16", /* name */
1082 FALSE, /* partial_inplace */
1084 0x3fffc00, /* dst_mask */
1085 FALSE), /* pcrel_offset */
1087 /* Used in MOVI and SHORI (x & 65536). */
1088 HOWTO (R_SH_IMM_LOW16, /* type */
1090 2, /* size (0 = byte, 1 = short, 2 = long) */
1092 FALSE, /* pc_relative */
1094 complain_overflow_dont, /* complain_on_overflow */
1095 bfd_elf_generic_reloc, /* special_function */
1096 "R_SH_IMM_LOW16", /* name */
1097 FALSE, /* partial_inplace */
1099 0x3fffc00, /* dst_mask */
1100 FALSE), /* pcrel_offset */
1102 /* Used in MOVI and SHORI ((x - $) & 65536). */
1103 HOWTO (R_SH_IMM_LOW16_PCREL, /* type */
1105 2, /* size (0 = byte, 1 = short, 2 = long) */
1107 TRUE, /* pc_relative */
1109 complain_overflow_dont, /* complain_on_overflow */
1110 bfd_elf_generic_reloc, /* special_function */
1111 "R_SH_IMM_LOW16_PCREL", /* name */
1112 FALSE, /* partial_inplace */
1114 0x3fffc00, /* dst_mask */
1115 TRUE), /* pcrel_offset */
1117 /* Used in MOVI and SHORI ((x >> 16) & 65536). */
1118 HOWTO (R_SH_IMM_MEDLOW16, /* type */
1119 16, /* rightshift */
1120 2, /* size (0 = byte, 1 = short, 2 = long) */
1122 FALSE, /* pc_relative */
1124 complain_overflow_dont, /* complain_on_overflow */
1125 bfd_elf_generic_reloc, /* special_function */
1126 "R_SH_IMM_MEDLOW16", /* name */
1127 FALSE, /* partial_inplace */
1129 0x3fffc00, /* dst_mask */
1130 FALSE), /* pcrel_offset */
1132 /* Used in MOVI and SHORI (((x - $) >> 16) & 65536). */
1133 HOWTO (R_SH_IMM_MEDLOW16_PCREL, /* type */
1134 16, /* rightshift */
1135 2, /* size (0 = byte, 1 = short, 2 = long) */
1137 TRUE, /* pc_relative */
1139 complain_overflow_dont, /* complain_on_overflow */
1140 bfd_elf_generic_reloc, /* special_function */
1141 "R_SH_IMM_MEDLOW16_PCREL", /* name */
1142 FALSE, /* partial_inplace */
1144 0x3fffc00, /* dst_mask */
1145 TRUE), /* pcrel_offset */
1147 /* Used in MOVI and SHORI ((x >> 32) & 65536). */
1148 HOWTO (R_SH_IMM_MEDHI16, /* type */
1149 32, /* rightshift */
1150 2, /* size (0 = byte, 1 = short, 2 = long) */
1152 FALSE, /* pc_relative */
1154 complain_overflow_dont, /* complain_on_overflow */
1155 bfd_elf_generic_reloc, /* special_function */
1156 "R_SH_IMM_MEDHI16", /* name */
1157 FALSE, /* partial_inplace */
1159 0x3fffc00, /* dst_mask */
1160 FALSE), /* pcrel_offset */
1162 /* Used in MOVI and SHORI (((x - $) >> 32) & 65536). */
1163 HOWTO (R_SH_IMM_MEDHI16_PCREL, /* type */
1164 32, /* rightshift */
1165 2, /* size (0 = byte, 1 = short, 2 = long) */
1167 TRUE, /* pc_relative */
1169 complain_overflow_dont, /* complain_on_overflow */
1170 bfd_elf_generic_reloc, /* special_function */
1171 "R_SH_IMM_MEDHI16_PCREL", /* name */
1172 FALSE, /* partial_inplace */
1174 0x3fffc00, /* dst_mask */
1175 TRUE), /* pcrel_offset */
1177 /* Used in MOVI and SHORI ((x >> 48) & 65536). */
1178 HOWTO (R_SH_IMM_HI16, /* type */
1179 48, /* rightshift */
1180 2, /* size (0 = byte, 1 = short, 2 = long) */
1182 FALSE, /* pc_relative */
1184 complain_overflow_dont, /* complain_on_overflow */
1185 bfd_elf_generic_reloc, /* special_function */
1186 "R_SH_IMM_HI16", /* name */
1187 FALSE, /* partial_inplace */
1189 0x3fffc00, /* dst_mask */
1190 FALSE), /* pcrel_offset */
1192 /* Used in MOVI and SHORI (((x - $) >> 48) & 65536). */
1193 HOWTO (R_SH_IMM_HI16_PCREL, /* type */
1194 48, /* rightshift */
1195 2, /* size (0 = byte, 1 = short, 2 = long) */
1197 TRUE, /* pc_relative */
1199 complain_overflow_dont, /* complain_on_overflow */
1200 bfd_elf_generic_reloc, /* special_function */
1201 "R_SH_IMM_HI16_PCREL", /* name */
1202 FALSE, /* partial_inplace */
1204 0x3fffc00, /* dst_mask */
1205 TRUE), /* pcrel_offset */
1207 /* For the .uaquad pseudo. */
1208 HOWTO (R_SH_64, /* type */
1210 4, /* size (0 = byte, 1 = short, 2 = long) */
1212 FALSE, /* pc_relative */
1214 complain_overflow_dont, /* complain_on_overflow */
1215 bfd_elf_generic_reloc, /* special_function */
1216 "R_SH_64", /* name */
1217 FALSE, /* partial_inplace */
1219 ((bfd_vma) 0) - 1, /* dst_mask */
1220 FALSE), /* pcrel_offset */
1222 /* For the .uaquad pseudo, (x - $). */
1223 HOWTO (R_SH_64_PCREL, /* type */
1224 48, /* rightshift */
1225 2, /* size (0 = byte, 1 = short, 2 = long) */
1227 TRUE, /* pc_relative */
1229 complain_overflow_dont, /* complain_on_overflow */
1230 bfd_elf_generic_reloc, /* special_function */
1231 "R_SH_64_PCREL", /* name */
1232 FALSE, /* partial_inplace */
1234 ((bfd_vma) 0) - 1, /* dst_mask */
1235 TRUE), /* pcrel_offset */
1239 /* This function is used for relocs which are only used for relaxing,
1240 which the linker should otherwise ignore. */
1242 static bfd_reloc_status_type
1243 sh_elf64_ignore_reloc (bfd *abfd ATTRIBUTE_UNUSED, arelent *reloc_entry,
1244 asymbol *symbol ATTRIBUTE_UNUSED,
1245 void *data ATTRIBUTE_UNUSED, asection *input_section,
1247 char **error_message ATTRIBUTE_UNUSED)
1249 if (output_bfd != NULL)
1250 reloc_entry->address += input_section->output_offset;
1251 return bfd_reloc_ok;
1254 /* This function is used for normal relocs. This used to be like the COFF
1255 function, and is almost certainly incorrect for other ELF targets.
1257 See sh_elf_reloc in elf32-sh.c for the original. */
1259 static bfd_reloc_status_type
1260 sh_elf64_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol_in,
1261 void *data, asection *input_section, bfd *output_bfd,
1262 char **error_message ATTRIBUTE_UNUSED)
1266 enum elf_sh_reloc_type r_type;
1267 bfd_vma addr = reloc_entry->address;
1268 bfd_byte *hit_data = addr + (bfd_byte *) data;
1270 r_type = (enum elf_sh_reloc_type) reloc_entry->howto->type;
1272 if (output_bfd != NULL)
1274 /* Partial linking--do nothing. */
1275 reloc_entry->address += input_section->output_offset;
1276 return bfd_reloc_ok;
1279 if (symbol_in != NULL
1280 && bfd_is_und_section (symbol_in->section))
1281 return bfd_reloc_undefined;
1283 if (bfd_is_com_section (symbol_in->section))
1286 sym_value = (symbol_in->value +
1287 symbol_in->section->output_section->vma +
1288 symbol_in->section->output_offset);
1293 insn = bfd_get_32 (abfd, hit_data);
1294 insn += sym_value + reloc_entry->addend;
1295 bfd_put_32 (abfd, insn, hit_data);
1303 return bfd_reloc_ok;
1306 /* This structure is used to map BFD reloc codes to SH ELF relocs. */
1308 struct elf_reloc_map
1310 bfd_reloc_code_real_type bfd_reloc_val;
1311 unsigned char elf_reloc_val;
1314 /* An array mapping BFD reloc codes to SH ELF relocs. */
1316 static const struct elf_reloc_map sh64_reloc_map[] =
1318 { BFD_RELOC_NONE, R_SH_NONE },
1319 { BFD_RELOC_32, R_SH_DIR32 },
1320 { BFD_RELOC_CTOR, R_SH_DIR32 },
1321 { BFD_RELOC_32_PCREL, R_SH_REL32 },
1322 { BFD_RELOC_8_PCREL, R_SH_SWITCH8 },
1323 { BFD_RELOC_SH_SWITCH16, R_SH_SWITCH16 },
1324 { BFD_RELOC_SH_SWITCH32, R_SH_SWITCH32 },
1325 { BFD_RELOC_VTABLE_INHERIT, R_SH_GNU_VTINHERIT },
1326 { BFD_RELOC_VTABLE_ENTRY, R_SH_GNU_VTENTRY },
1327 { BFD_RELOC_SH_GOT_LOW16, R_SH_GOT_LOW16 },
1328 { BFD_RELOC_SH_GOT_MEDLOW16, R_SH_GOT_MEDLOW16 },
1329 { BFD_RELOC_SH_GOT_MEDHI16, R_SH_GOT_MEDHI16 },
1330 { BFD_RELOC_SH_GOT_HI16, R_SH_GOT_HI16 },
1331 { BFD_RELOC_SH_GOTPLT_LOW16, R_SH_GOTPLT_LOW16 },
1332 { BFD_RELOC_SH_GOTPLT_MEDLOW16, R_SH_GOTPLT_MEDLOW16 },
1333 { BFD_RELOC_SH_GOTPLT_MEDHI16, R_SH_GOTPLT_MEDHI16 },
1334 { BFD_RELOC_SH_GOTPLT_HI16, R_SH_GOTPLT_HI16 },
1335 { BFD_RELOC_SH_PLT_LOW16, R_SH_PLT_LOW16 },
1336 { BFD_RELOC_SH_PLT_MEDLOW16, R_SH_PLT_MEDLOW16 },
1337 { BFD_RELOC_SH_PLT_MEDHI16, R_SH_PLT_MEDHI16 },
1338 { BFD_RELOC_SH_PLT_HI16, R_SH_PLT_HI16 },
1339 { BFD_RELOC_SH_GOTOFF_LOW16, R_SH_GOTOFF_LOW16 },
1340 { BFD_RELOC_SH_GOTOFF_MEDLOW16, R_SH_GOTOFF_MEDLOW16 },
1341 { BFD_RELOC_SH_GOTOFF_MEDHI16, R_SH_GOTOFF_MEDHI16 },
1342 { BFD_RELOC_SH_GOTOFF_HI16, R_SH_GOTOFF_HI16 },
1343 { BFD_RELOC_SH_GOTPC_LOW16, R_SH_GOTPC_LOW16 },
1344 { BFD_RELOC_SH_GOTPC_MEDLOW16, R_SH_GOTPC_MEDLOW16 },
1345 { BFD_RELOC_SH_GOTPC_MEDHI16, R_SH_GOTPC_MEDHI16 },
1346 { BFD_RELOC_SH_GOTPC_HI16, R_SH_GOTPC_HI16 },
1347 { BFD_RELOC_SH_COPY64, R_SH_COPY64 },
1348 { BFD_RELOC_SH_GLOB_DAT64, R_SH_GLOB_DAT64 },
1349 { BFD_RELOC_SH_JMP_SLOT64, R_SH_JMP_SLOT64 },
1350 { BFD_RELOC_SH_RELATIVE64, R_SH_RELATIVE64 },
1351 { BFD_RELOC_SH_GOT10BY4, R_SH_GOT10BY4 },
1352 { BFD_RELOC_SH_GOT10BY8, R_SH_GOT10BY8 },
1353 { BFD_RELOC_SH_GOTPLT10BY4, R_SH_GOTPLT10BY4 },
1354 { BFD_RELOC_SH_GOTPLT10BY8, R_SH_GOTPLT10BY8 },
1355 { BFD_RELOC_SH_PT_16, R_SH_PT_16 },
1356 { BFD_RELOC_SH_SHMEDIA_CODE, R_SH_SHMEDIA_CODE },
1357 { BFD_RELOC_SH_IMMU5, R_SH_DIR5U },
1358 { BFD_RELOC_SH_IMMS6, R_SH_DIR6S },
1359 { BFD_RELOC_SH_IMMU6, R_SH_DIR6U },
1360 { BFD_RELOC_SH_IMMS10, R_SH_DIR10S },
1361 { BFD_RELOC_SH_IMMS10BY2, R_SH_DIR10SW },
1362 { BFD_RELOC_SH_IMMS10BY4, R_SH_DIR10SL },
1363 { BFD_RELOC_SH_IMMS10BY8, R_SH_DIR10SQ },
1364 { BFD_RELOC_SH_IMMS16, R_SH_IMMS16 },
1365 { BFD_RELOC_SH_IMMU16, R_SH_IMMU16 },
1366 { BFD_RELOC_SH_IMM_LOW16, R_SH_IMM_LOW16 },
1367 { BFD_RELOC_SH_IMM_LOW16_PCREL, R_SH_IMM_LOW16_PCREL },
1368 { BFD_RELOC_SH_IMM_MEDLOW16, R_SH_IMM_MEDLOW16 },
1369 { BFD_RELOC_SH_IMM_MEDLOW16_PCREL, R_SH_IMM_MEDLOW16_PCREL },
1370 { BFD_RELOC_SH_IMM_MEDHI16, R_SH_IMM_MEDHI16 },
1371 { BFD_RELOC_SH_IMM_MEDHI16_PCREL, R_SH_IMM_MEDHI16_PCREL },
1372 { BFD_RELOC_SH_IMM_HI16, R_SH_IMM_HI16 },
1373 { BFD_RELOC_SH_IMM_HI16_PCREL, R_SH_IMM_HI16_PCREL },
1374 { BFD_RELOC_64, R_SH_64 },
1375 { BFD_RELOC_64_PCREL, R_SH_64_PCREL },
1378 /* Given a BFD reloc code, return the howto structure for the
1379 corresponding SH ELf reloc. */
1381 static reloc_howto_type *
1382 sh_elf64_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
1383 bfd_reloc_code_real_type code)
1387 for (i = 0; i < sizeof (sh64_reloc_map) / sizeof (struct elf_reloc_map); i++)
1389 if (sh64_reloc_map[i].bfd_reloc_val == code)
1390 return &sh_elf64_howto_table[(int) sh64_reloc_map[i].elf_reloc_val];
1396 static reloc_howto_type *
1397 sh_elf64_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
1403 i < sizeof (sh_elf64_howto_table) / sizeof (sh_elf64_howto_table[0]);
1405 if (sh_elf64_howto_table[i].name != NULL
1406 && strcasecmp (sh_elf64_howto_table[i].name, r_name) == 0)
1407 return &sh_elf64_howto_table[i];
1412 /* Given an ELF reloc, fill in the howto field of a relent.
1414 See sh_elf_info_to_howto in elf32-sh.c for the original. */
1417 sh_elf64_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *cache_ptr,
1418 Elf_Internal_Rela *dst)
1422 r = ELF64_R_TYPE (dst->r_info);
1424 BFD_ASSERT (r <= (unsigned int) R_SH_64_PCREL);
1425 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC || r > R_SH_LAST_INVALID_RELOC);
1426 BFD_ASSERT (r < R_SH_DIR8WPN || r > R_SH_LAST_INVALID_RELOC_2);
1427 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_3 || r > R_SH_GOTPLT32);
1428 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_4 || r > R_SH_LAST_INVALID_RELOC_4);
1430 cache_ptr->howto = &sh_elf64_howto_table[r];
1433 /* Relocate an SH ELF section.
1435 See sh_elf_info_to_howto in elf32-sh.c for the original. */
1438 sh_elf64_relocate_section (bfd *output_bfd ATTRIBUTE_UNUSED,
1439 struct bfd_link_info *info, bfd *input_bfd,
1440 asection *input_section, bfd_byte *contents,
1441 Elf_Internal_Rela *relocs,
1442 Elf_Internal_Sym *local_syms,
1443 asection **local_sections)
1445 Elf_Internal_Shdr *symtab_hdr;
1446 struct elf_link_hash_entry **sym_hashes;
1447 Elf_Internal_Rela *rel, *relend;
1449 bfd_vma *local_got_offsets;
1454 bfd_vma disp, dropped;
1456 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
1457 sym_hashes = elf_sym_hashes (input_bfd);
1458 dynobj = elf_hash_table (info)->dynobj;
1459 local_got_offsets = elf_local_got_offsets (input_bfd);
1467 relend = relocs + input_section->reloc_count;
1468 for (; rel < relend; rel++)
1471 reloc_howto_type *howto;
1472 unsigned long r_symndx;
1473 Elf_Internal_Sym *sym;
1475 struct elf_link_hash_entry *h;
1477 bfd_vma addend = (bfd_vma)0;
1478 bfd_reloc_status_type r;
1479 int seen_stt_datalabel = 0;
1481 r_symndx = ELF64_R_SYM (rel->r_info);
1483 r_type = ELF64_R_TYPE (rel->r_info);
1485 if (r_type == (int) R_SH_NONE)
1489 || r_type > R_SH_64_PCREL
1490 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC
1491 && r_type <= (int) R_SH_LAST_INVALID_RELOC)
1492 || (r_type >= (int) R_SH_DIR8WPN
1493 && r_type <= (int) R_SH_LAST_INVALID_RELOC)
1494 || (r_type >= (int) R_SH_GNU_VTINHERIT
1495 && r_type <= (int) R_SH_PSHL)
1496 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC_2
1497 && r_type <= R_SH_GOTPLT32)
1498 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC_4
1499 && r_type <= (int) R_SH_LAST_INVALID_RELOC_4))
1501 bfd_set_error (bfd_error_bad_value);
1505 howto = sh_elf64_howto_table + r_type;
1511 if (r_symndx < symtab_hdr->sh_info)
1513 sym = local_syms + r_symndx;
1514 sec = local_sections[r_symndx];
1515 relocation = ((sec->output_section->vma
1516 + sec->output_offset
1518 | ((sym->st_other & STO_SH5_ISA32) != 0));
1520 /* A local symbol never has STO_SH5_ISA32, so we don't need
1521 datalabel processing here. Make sure this does not change
1523 if ((sym->st_other & STO_SH5_ISA32) != 0)
1524 ((*info->callbacks->reloc_dangerous)
1526 _("Unexpected STO_SH5_ISA32 on local symbol is not handled"),
1527 input_bfd, input_section, rel->r_offset));
1529 if (sec != NULL && elf_discarded_section (sec))
1530 /* Handled below. */
1532 else if (info->relocatable)
1534 /* This is a relocatable link. We don't have to change
1535 anything, unless the reloc is against a section symbol,
1536 in which case we have to adjust according to where the
1537 section symbol winds up in the output section. */
1538 if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
1539 goto final_link_relocate;
1543 else if (! howto->partial_inplace)
1545 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
1546 relocation |= ((sym->st_other & STO_SH5_ISA32) != 0);
1548 else if ((sec->flags & SEC_MERGE)
1549 && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
1553 if (howto->rightshift || howto->src_mask != 0xffffffff)
1555 (*_bfd_error_handler)
1556 (_("%B(%A+0x%lx): %s relocation against SEC_MERGE section"),
1557 input_bfd, input_section,
1558 (long) rel->r_offset, howto->name);
1562 addend = bfd_get_32 (input_bfd, contents + rel->r_offset);
1565 _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend)
1567 addend += msec->output_section->vma + msec->output_offset;
1568 bfd_put_32 (input_bfd, addend, contents + rel->r_offset);
1574 /* ??? Could we use the RELOC_FOR_GLOBAL_SYMBOL macro here ? */
1576 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1577 while (h->root.type == bfd_link_hash_indirect
1578 || h->root.type == bfd_link_hash_warning)
1580 /* If the reference passes a symbol marked with
1581 STT_DATALABEL, then any STO_SH5_ISA32 on the final value
1583 seen_stt_datalabel |= h->type == STT_DATALABEL;
1584 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1587 if (h->root.type == bfd_link_hash_defined
1588 || h->root.type == bfd_link_hash_defweak)
1590 sec = h->root.u.def.section;
1591 /* In these cases, we don't need the relocation value.
1592 We check specially because in some obscure cases
1593 sec->output_section will be NULL. */
1594 if (r_type == R_SH_GOTPC_LOW16
1595 || r_type == R_SH_GOTPC_MEDLOW16
1596 || r_type == R_SH_GOTPC_MEDHI16
1597 || r_type == R_SH_GOTPC_HI16
1598 || ((r_type == R_SH_PLT_LOW16
1599 || r_type == R_SH_PLT_MEDLOW16
1600 || r_type == R_SH_PLT_MEDHI16
1601 || r_type == R_SH_PLT_HI16)
1602 && h->plt.offset != (bfd_vma) -1)
1603 || ((r_type == R_SH_GOT_LOW16
1604 || r_type == R_SH_GOT_MEDLOW16
1605 || r_type == R_SH_GOT_MEDHI16
1606 || r_type == R_SH_GOT_HI16)
1607 && elf_hash_table (info)->dynamic_sections_created
1609 || (! info->symbolic && h->dynindx != -1)
1610 || !h->def_regular))
1611 /* The cases above are those in which relocation is
1612 overwritten in the switch block below. The cases
1613 below are those in which we must defer relocation
1614 to run-time, because we can't resolve absolute
1615 addresses when creating a shared library. */
1617 && ((! info->symbolic && h->dynindx != -1)
1619 && ((r_type == R_SH_64
1620 && !(ELF_ST_VISIBILITY (h->other) == STV_INTERNAL
1621 || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN))
1622 || r_type == R_SH_64_PCREL)
1623 && ((input_section->flags & SEC_ALLOC) != 0
1624 /* DWARF will emit R_SH_DIR32 relocations in its
1625 sections against symbols defined externally
1626 in shared libraries. We can't do anything
1628 || (input_section->flags & SEC_DEBUGGING) != 0))
1629 /* Dynamic relocs are not propagated for SEC_DEBUGGING
1630 sections because such sections are not SEC_ALLOC and
1631 thus ld.so will not process them. */
1632 || (sec->output_section == NULL
1633 && ((input_section->flags & SEC_DEBUGGING) != 0
1634 && h->def_dynamic)))
1636 else if (sec->output_section != NULL)
1637 relocation = ((h->root.u.def.value
1638 + sec->output_section->vma
1639 + sec->output_offset)
1640 /* A STO_SH5_ISA32 causes a "bitor 1" to the
1641 symbol value, unless we've seen
1642 STT_DATALABEL on the way to it. */
1643 | ((h->other & STO_SH5_ISA32) != 0
1644 && ! seen_stt_datalabel));
1645 else if (!info->relocatable)
1647 (*_bfd_error_handler)
1648 (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
1651 (long) rel->r_offset,
1653 h->root.root.string);
1656 else if (h->root.type == bfd_link_hash_undefweak)
1658 else if (info->unresolved_syms_in_objects == RM_IGNORE
1659 && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
1661 else if (!info->relocatable)
1663 if (! ((*info->callbacks->undefined_symbol)
1664 (info, h->root.root.string, input_bfd,
1665 input_section, rel->r_offset,
1666 (info->unresolved_syms_in_objects == RM_GENERATE_ERROR
1667 || ELF_ST_VISIBILITY (h->other)))))
1672 if (sec != NULL && elf_discarded_section (sec))
1674 /* For relocs against symbols from removed linkonce sections,
1675 or sections discarded by a linker script, we just want the
1676 section contents zeroed. Avoid any special processing. */
1677 _bfd_clear_contents (howto, input_bfd, contents + rel->r_offset);
1683 if (info->relocatable)
1687 - input_section->output_section->vma
1688 - input_section->output_offset
1691 switch ((int)r_type)
1693 case R_SH_PT_16: dropped = disp & 2; break;
1694 case R_SH_DIR10SW: dropped = disp & 1; break;
1695 case R_SH_DIR10SL: dropped = disp & 3; break;
1696 case R_SH_DIR10SQ: dropped = disp & 7; break;
1700 (*_bfd_error_handler)
1701 (_("%s: error: unaligned relocation type %d at %08x reloc %08x\n"),
1702 bfd_get_filename (input_bfd), (int)r_type, (unsigned)rel->r_offset, (unsigned)relocation);
1703 bfd_set_error (bfd_error_bad_value);
1706 switch ((int)r_type)
1711 && (input_section->flags & SEC_ALLOC) != 0
1712 && (r_type != R_SH_64_PCREL
1715 && (! info->symbolic
1716 || !h->def_regular))))
1718 Elf_Internal_Rela outrel;
1720 bfd_boolean skip, relocate;
1722 /* When generating a shared object, these relocations
1723 are copied into the output file to be resolved at run
1730 name = (bfd_elf_string_from_elf_section
1732 elf_elfheader (input_bfd)->e_shstrndx,
1733 elf_section_data (input_section)->rel_hdr.sh_name));
1737 BFD_ASSERT (CONST_STRNEQ (name, ".rela")
1738 && strcmp (bfd_get_section_name (input_bfd,
1742 sreloc = bfd_get_section_by_name (dynobj, name);
1743 BFD_ASSERT (sreloc != NULL);
1750 = _bfd_elf_section_offset (output_bfd, info,
1751 input_section, rel->r_offset);
1753 if (outrel.r_offset == (bfd_vma) -1)
1755 else if (outrel.r_offset == (bfd_vma) -2)
1756 skip = TRUE, relocate = TRUE;
1758 outrel.r_offset += (input_section->output_section->vma
1759 + input_section->output_offset);
1762 memset (&outrel, 0, sizeof outrel);
1763 else if (r_type == R_SH_64_PCREL)
1765 BFD_ASSERT (h != NULL && h->dynindx != -1);
1766 outrel.r_info = ELF64_R_INFO (h->dynindx, R_SH_64_PCREL);
1767 outrel.r_addend = rel->r_addend;
1771 /* h->dynindx may be -1 if this symbol was marked to
1774 || ((info->symbolic || h->dynindx == -1)
1778 outrel.r_info = ELF64_R_INFO (0, R_SH_RELATIVE64);
1779 outrel.r_addend = relocation + rel->r_addend;
1783 BFD_ASSERT (h->dynindx != -1);
1784 outrel.r_info = ELF64_R_INFO (h->dynindx, R_SH_64);
1785 outrel.r_addend = relocation + rel->r_addend;
1789 loc = sreloc->contents;
1790 loc += sreloc->reloc_count++ * sizeof (Elf64_External_Rela);
1791 bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc);
1793 /* If this reloc is against an external symbol, we do
1794 not want to fiddle with the addend. Otherwise, we
1795 need to include the symbol value so that it becomes
1796 an addend for the dynamic reloc. */
1800 else if (r_type == R_SH_64)
1801 addend = rel->r_addend;
1802 goto final_link_relocate;
1804 case R_SH_GOTPLT_LOW16:
1805 case R_SH_GOTPLT_MEDLOW16:
1806 case R_SH_GOTPLT_MEDHI16:
1807 case R_SH_GOTPLT_HI16:
1808 case R_SH_GOTPLT10BY4:
1809 case R_SH_GOTPLT10BY8:
1810 /* Relocation is to the entry for this symbol in the
1811 procedure linkage table. */
1814 || ELF_ST_VISIBILITY (h->other) == STV_INTERNAL
1815 || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN
1819 || h->plt.offset == (bfd_vma) -1
1820 || h->got.offset != (bfd_vma) -1)
1823 /* Relocation is to the entry for this symbol in the global
1824 offset table extension for the procedure linkage table. */
1825 if (sgotplt == NULL)
1827 sgotplt = bfd_get_section_by_name (dynobj, ".got.plt");
1828 BFD_ASSERT (sgotplt != NULL);
1831 relocation = (sgotplt->output_offset
1832 + ((h->plt.offset / elf_sh64_sizeof_plt (info)
1835 relocation -= GOT_BIAS;
1837 goto final_link_relocate;
1840 case R_SH_GOT_LOW16:
1841 case R_SH_GOT_MEDLOW16:
1842 case R_SH_GOT_MEDHI16:
1846 /* Relocation is to the entry for this symbol in the global
1850 sgot = bfd_get_section_by_name (dynobj, ".got");
1851 BFD_ASSERT (sgot != NULL);
1858 off = h->got.offset;
1859 if (seen_stt_datalabel)
1861 struct elf_sh64_link_hash_entry *hsh;
1863 hsh = (struct elf_sh64_link_hash_entry *)h;
1864 off = hsh->datalabel_got_offset;
1866 BFD_ASSERT (off != (bfd_vma) -1);
1868 if (! elf_hash_table (info)->dynamic_sections_created
1870 && (info->symbolic || h->dynindx == -1
1871 || ELF_ST_VISIBILITY (h->other) == STV_INTERNAL
1872 || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN)
1875 /* This is actually a static link, or it is a
1876 -Bsymbolic link and the symbol is defined
1877 locally, or the symbol was forced to be local
1878 because of a version file. We must initialize
1879 this entry in the global offset table. Since the
1880 offset must always be a multiple of 4, we use the
1881 least significant bit to record whether we have
1882 initialized it already.
1884 When doing a dynamic link, we create a .rela.got
1885 relocation entry to initialize the value. This
1886 is done in the finish_dynamic_symbol routine. */
1891 bfd_put_64 (output_bfd, relocation,
1892 sgot->contents + off);
1893 if (seen_stt_datalabel)
1895 struct elf_sh64_link_hash_entry *hsh;
1897 hsh = (struct elf_sh64_link_hash_entry *)h;
1898 hsh->datalabel_got_offset |= 1;
1905 relocation = sgot->output_offset + off;
1913 BFD_ASSERT (local_got_offsets != NULL
1914 && (local_got_offsets[symtab_hdr->sh_info
1918 off = local_got_offsets[symtab_hdr->sh_info
1923 BFD_ASSERT (local_got_offsets != NULL
1924 && local_got_offsets[r_symndx] != (bfd_vma) -1);
1926 off = local_got_offsets[r_symndx];
1929 /* The offset must always be a multiple of 8. We use
1930 the least significant bit to record whether we have
1931 already generated the necessary reloc. */
1936 bfd_put_64 (output_bfd, relocation, sgot->contents + off);
1941 Elf_Internal_Rela outrel;
1944 s = bfd_get_section_by_name (dynobj, ".rela.got");
1945 BFD_ASSERT (s != NULL);
1947 outrel.r_offset = (sgot->output_section->vma
1948 + sgot->output_offset
1950 outrel.r_info = ELF64_R_INFO (0, R_SH_RELATIVE64);
1951 outrel.r_addend = relocation;
1953 loc += s->reloc_count++ * sizeof (Elf64_External_Rela);
1954 bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc);
1958 local_got_offsets[symtab_hdr->sh_info + r_symndx] |= 1;
1960 local_got_offsets[r_symndx] |= 1;
1963 relocation = sgot->output_offset + off;
1966 relocation -= GOT_BIAS;
1968 goto final_link_relocate;
1970 case R_SH_GOTOFF_LOW16:
1971 case R_SH_GOTOFF_MEDLOW16:
1972 case R_SH_GOTOFF_MEDHI16:
1973 case R_SH_GOTOFF_HI16:
1974 /* Relocation is relative to the start of the global offset
1979 sgot = bfd_get_section_by_name (dynobj, ".got");
1980 BFD_ASSERT (sgot != NULL);
1983 /* Note that sgot->output_offset is not involved in this
1984 calculation. We always want the start of .got. If we
1985 defined _GLOBAL_OFFSET_TABLE in a different way, as is
1986 permitted by the ABI, we might have to change this
1988 relocation -= sgot->output_section->vma;
1990 relocation -= GOT_BIAS;
1992 addend = rel->r_addend;
1994 goto final_link_relocate;
1996 case R_SH_GOTPC_LOW16:
1997 case R_SH_GOTPC_MEDLOW16:
1998 case R_SH_GOTPC_MEDHI16:
1999 case R_SH_GOTPC_HI16:
2000 /* Use global offset table as symbol value. */
2004 sgot = bfd_get_section_by_name (dynobj, ".got");
2005 BFD_ASSERT (sgot != NULL);
2008 relocation = sgot->output_section->vma;
2010 relocation += GOT_BIAS;
2012 addend = rel->r_addend;
2014 goto final_link_relocate;
2016 case R_SH_PLT_LOW16:
2017 case R_SH_PLT_MEDLOW16:
2018 case R_SH_PLT_MEDHI16:
2020 /* Relocation is to the entry for this symbol in the
2021 procedure linkage table. */
2023 /* Resolve a PLT reloc against a local symbol directly,
2024 without using the procedure linkage table. */
2026 goto final_link_relocate;
2028 if (ELF_ST_VISIBILITY (h->other) == STV_INTERNAL
2029 || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN)
2030 goto final_link_relocate;
2032 if (h->plt.offset == (bfd_vma) -1)
2034 /* We didn't make a PLT entry for this symbol. This
2035 happens when statically linking PIC code, or when
2036 using -Bsymbolic. */
2037 goto final_link_relocate;
2042 splt = bfd_get_section_by_name (dynobj, ".plt");
2043 BFD_ASSERT (splt != NULL);
2046 relocation = (splt->output_section->vma
2047 + splt->output_offset
2051 addend = rel->r_addend;
2053 goto final_link_relocate;
2056 case R_SH_SHMEDIA_CODE:
2067 case R_SH_IMM_LOW16:
2068 case R_SH_IMM_LOW16_PCREL:
2069 case R_SH_IMM_MEDLOW16:
2070 case R_SH_IMM_MEDLOW16_PCREL:
2071 case R_SH_IMM_MEDHI16:
2072 case R_SH_IMM_MEDHI16_PCREL:
2074 case R_SH_IMM_HI16_PCREL:
2075 addend = rel->r_addend;
2078 final_link_relocate:
2079 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
2080 contents, rel->r_offset,
2081 relocation, addend);
2085 bfd_set_error (bfd_error_bad_value);
2090 if (r != bfd_reloc_ok)
2095 case bfd_reloc_outofrange:
2097 case bfd_reloc_overflow:
2105 name = (bfd_elf_string_from_elf_section
2106 (input_bfd, symtab_hdr->sh_link, sym->st_name));
2110 name = bfd_section_name (input_bfd, sec);
2112 if (! ((*info->callbacks->reloc_overflow)
2113 (info, (h ? &h->root : NULL), name, howto->name,
2114 (bfd_vma) 0, input_bfd, input_section,
2126 /* This is a version of bfd_generic_get_relocated_section_contents
2127 that uses sh_elf64_relocate_section.
2129 See sh_elf_relocate_section in elf32-sh.c for the original. */
2132 sh_elf64_get_relocated_section_contents (bfd *output_bfd,
2133 struct bfd_link_info *link_info,
2134 struct bfd_link_order *link_order,
2136 bfd_boolean relocatable,
2139 Elf_Internal_Shdr *symtab_hdr;
2140 asection *input_section = link_order->u.indirect.section;
2141 bfd *input_bfd = input_section->owner;
2142 asection **sections = NULL;
2143 Elf_Internal_Rela *internal_relocs = NULL;
2144 Elf_Internal_Sym *isymbuf = NULL;
2146 /* We only need to handle the case of relaxing, or of having a
2147 particular set of section contents, specially. */
2149 || elf_section_data (input_section)->this_hdr.contents == NULL)
2150 return bfd_generic_get_relocated_section_contents (output_bfd, link_info,
2155 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
2157 memcpy (data, elf_section_data (input_section)->this_hdr.contents,
2158 input_section->size);
2160 if ((input_section->flags & SEC_RELOC) != 0
2161 && input_section->reloc_count > 0)
2163 Elf_Internal_Sym *isymp;
2164 Elf_Internal_Sym *isymend;
2167 /* Read this BFD's local symbols. */
2168 if (symtab_hdr->sh_info != 0)
2170 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
2171 if (isymbuf == NULL)
2172 isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
2173 symtab_hdr->sh_info, 0,
2175 if (isymbuf == NULL)
2179 internal_relocs = (_bfd_elf_link_read_relocs
2180 (input_bfd, input_section, NULL,
2181 (Elf_Internal_Rela *) NULL, FALSE));
2182 if (internal_relocs == NULL)
2185 sections = (asection **) bfd_malloc (symtab_hdr->sh_info
2186 * sizeof (asection *));
2187 if (sections == NULL && symtab_hdr->sh_info > 0)
2191 isymend = isymbuf + symtab_hdr->sh_info;
2192 for (isymp = isymbuf; isymp < isymend; ++isymp, ++secpp)
2196 if (isymp->st_shndx == SHN_UNDEF)
2197 isec = bfd_und_section_ptr;
2198 else if (isymp->st_shndx > 0 && isymp->st_shndx < SHN_LORESERVE)
2199 isec = bfd_section_from_elf_index (input_bfd, isymp->st_shndx);
2200 else if (isymp->st_shndx == SHN_ABS)
2201 isec = bfd_abs_section_ptr;
2202 else if (isymp->st_shndx == SHN_COMMON)
2203 isec = bfd_com_section_ptr;
2213 if (! sh_elf64_relocate_section (output_bfd, link_info, input_bfd,
2214 input_section, data, internal_relocs,
2218 if (sections != NULL)
2220 if (internal_relocs != elf_section_data (input_section)->relocs)
2221 free (internal_relocs);
2223 && (unsigned char *) isymbuf != symtab_hdr->contents)
2230 if (sections != NULL)
2232 if (internal_relocs != NULL
2233 && internal_relocs != elf_section_data (input_section)->relocs)
2234 free (internal_relocs);
2236 && (unsigned char *) isymbuf != symtab_hdr->contents)
2241 /* Set the SHF_SH5_ISA32 flag for ISA SHmedia code sections. */
2244 sh64_elf64_fake_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
2245 Elf_Internal_Shdr *elf_section_hdr,
2248 /* Code sections can only contain SH64 code, so mark them as such. */
2249 if (bfd_get_section_flags (output_bfd, asect) & SEC_CODE)
2250 elf_section_hdr->sh_flags |= SHF_SH5_ISA32;
2256 sh_elf64_set_mach_from_flags (bfd *abfd)
2258 flagword flags = elf_elfheader (abfd)->e_flags;
2260 switch (flags & EF_SH_MACH_MASK)
2263 /* Just one, but keep the switch construct to make additions easy. */
2264 bfd_default_set_arch_mach (abfd, bfd_arch_sh, bfd_mach_sh5);
2268 bfd_set_error (bfd_error_wrong_format);
2274 /* Function to keep SH64 specific file flags.
2276 See sh64_elf_set_private_flags in elf32-sh64.c for the original. */
2279 sh_elf64_set_private_flags (bfd *abfd, flagword flags)
2281 BFD_ASSERT (! elf_flags_init (abfd)
2282 || elf_elfheader (abfd)->e_flags == flags);
2284 elf_elfheader (abfd)->e_flags = flags;
2285 elf_flags_init (abfd) = TRUE;
2286 return sh_elf64_set_mach_from_flags (abfd);
2289 /* Copy the SHF_SH5_ISA32 attribute that we keep on all sections with
2290 code, to keep attributes the same as for SHmedia in 32-bit ELF. */
2293 sh_elf64_copy_private_data_internal (bfd *ibfd, bfd *obfd)
2295 Elf_Internal_Shdr **o_shdrp;
2299 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
2300 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
2303 o_shdrp = elf_elfsections (obfd);
2304 for (osec = obfd->sections; osec; osec = osec->next)
2306 int oIndex = ((struct bfd_elf_section_data *) elf_section_data (osec))->this_idx;
2307 for (isec = ibfd->sections; isec; isec = isec->next)
2309 if (strcmp (osec->name, isec->name) == 0)
2311 /* Note that we're not disallowing mixing data and code. */
2312 if ((elf_section_data (isec)->this_hdr.sh_flags
2313 & SHF_SH5_ISA32) != 0)
2314 o_shdrp[oIndex]->sh_flags |= SHF_SH5_ISA32;
2320 /* Copy object attributes. */
2321 _bfd_elf_copy_obj_attributes (ibfd, obfd);
2323 return sh_elf64_set_private_flags (obfd, elf_elfheader (ibfd)->e_flags);
2327 sh_elf64_copy_private_data (bfd *ibfd, bfd *obfd)
2329 return sh_elf64_copy_private_data_internal (ibfd, obfd);
2333 sh_elf64_merge_private_data (bfd *ibfd, bfd *obfd)
2335 flagword old_flags, new_flags;
2337 if (! _bfd_generic_verify_endian_match (ibfd, obfd))
2340 if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour
2341 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
2344 if (bfd_get_arch_size (ibfd) != bfd_get_arch_size (obfd))
2348 if (bfd_get_arch_size (ibfd) == 32
2349 && bfd_get_arch_size (obfd) == 64)
2350 msg = _("%s: compiled as 32-bit object and %s is 64-bit");
2351 else if (bfd_get_arch_size (ibfd) == 64
2352 && bfd_get_arch_size (obfd) == 32)
2353 msg = _("%s: compiled as 64-bit object and %s is 32-bit");
2355 msg = _("%s: object size does not match that of target %s");
2357 (*_bfd_error_handler) (msg, bfd_get_filename (ibfd),
2358 bfd_get_filename (obfd));
2359 bfd_set_error (bfd_error_wrong_format);
2363 old_flags = elf_elfheader (obfd)->e_flags;
2364 new_flags = elf_elfheader (ibfd)->e_flags;
2365 if (! elf_flags_init (obfd))
2367 /* This happens when ld starts out with a 'blank' output file. */
2368 elf_flags_init (obfd) = TRUE;
2369 elf_elfheader (obfd)->e_flags = old_flags = new_flags;
2371 /* We don't allow linking in anything else than SH64 code, and since
2372 this is a 64-bit ELF, we assume the 64-bit ABI is used. Add code
2373 here as things change. */
2374 else if ((new_flags & EF_SH_MACH_MASK) != EF_SH5)
2376 (*_bfd_error_handler)
2377 ("%s: does not use the SH64 64-bit ABI as previous modules do",
2378 bfd_get_filename (ibfd));
2379 bfd_set_error (bfd_error_bad_value);
2383 sh_elf64_copy_private_data_internal (ibfd, obfd);
2385 /* I can't think of anything sane other than old_flags being EF_SH5 and
2386 that we need to preserve that. */
2387 elf_elfheader (obfd)->e_flags = old_flags;
2389 return sh_elf64_set_mach_from_flags (obfd);
2392 /* Return the section that should be marked against GC for a given
2396 sh_elf64_gc_mark_hook (asection *sec,
2397 struct bfd_link_info *info,
2398 Elf_Internal_Rela *rel,
2399 struct elf_link_hash_entry *h,
2400 Elf_Internal_Sym *sym)
2403 switch (ELF64_R_TYPE (rel->r_info))
2405 case R_SH_GNU_VTINHERIT:
2406 case R_SH_GNU_VTENTRY:
2410 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
2413 /* Look through the relocs for a section during the first phase.
2414 Since we don't do .gots or .plts, we just need to consider the
2415 virtual table relocs for gc. */
2418 sh_elf64_check_relocs (bfd *abfd, struct bfd_link_info *info,
2419 asection *sec, const Elf_Internal_Rela *relocs)
2421 Elf_Internal_Shdr *symtab_hdr;
2422 struct elf_link_hash_entry **sym_hashes, **sym_hashes_end;
2423 const Elf_Internal_Rela *rel;
2424 const Elf_Internal_Rela *rel_end;
2426 bfd_vma *local_got_offsets;
2435 if (info->relocatable)
2438 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
2439 sym_hashes = elf_sym_hashes (abfd);
2440 sym_hashes_end = sym_hashes + symtab_hdr->sh_size/sizeof(Elf64_External_Sym);
2441 if (!elf_bad_symtab (abfd))
2442 sym_hashes_end -= symtab_hdr->sh_info;
2444 dynobj = elf_hash_table (info)->dynobj;
2445 local_got_offsets = elf_local_got_offsets (abfd);
2447 rel_end = relocs + sec->reloc_count;
2448 for (rel = relocs; rel < rel_end; rel++)
2450 struct elf_link_hash_entry *h;
2451 unsigned long r_symndx;
2453 r_symndx = ELF64_R_SYM (rel->r_info);
2454 if (r_symndx < symtab_hdr->sh_info)
2458 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
2459 while (h->root.type == bfd_link_hash_indirect
2460 || h->root.type == bfd_link_hash_warning)
2461 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2464 /* Some relocs require a global offset table. */
2467 switch (ELF64_R_TYPE (rel->r_info))
2469 case R_SH_GOTPLT_LOW16:
2470 case R_SH_GOTPLT_MEDLOW16:
2471 case R_SH_GOTPLT_MEDHI16:
2472 case R_SH_GOTPLT_HI16:
2473 case R_SH_GOTPLT10BY4:
2474 case R_SH_GOTPLT10BY8:
2475 case R_SH_GOT_LOW16:
2476 case R_SH_GOT_MEDLOW16:
2477 case R_SH_GOT_MEDHI16:
2481 case R_SH_GOTOFF_LOW16:
2482 case R_SH_GOTOFF_MEDLOW16:
2483 case R_SH_GOTOFF_MEDHI16:
2484 case R_SH_GOTOFF_HI16:
2485 case R_SH_GOTPC_LOW16:
2486 case R_SH_GOTPC_MEDLOW16:
2487 case R_SH_GOTPC_MEDHI16:
2488 case R_SH_GOTPC_HI16:
2489 elf_hash_table (info)->dynobj = dynobj = abfd;
2490 if (! _bfd_elf_create_got_section (dynobj, info))
2499 switch (ELF64_R_TYPE (rel->r_info))
2501 /* This relocation describes the C++ object vtable hierarchy.
2502 Reconstruct it for later use during GC. */
2503 case R_SH_GNU_VTINHERIT:
2504 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
2508 /* This relocation describes which C++ vtable entries are actually
2509 used. Record for later use during GC. */
2510 case R_SH_GNU_VTENTRY:
2511 BFD_ASSERT (h != NULL);
2513 && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
2518 case R_SH_GOT_LOW16:
2519 case R_SH_GOT_MEDLOW16:
2520 case R_SH_GOT_MEDHI16:
2524 /* This symbol requires a global offset table entry. */
2528 sgot = bfd_get_section_by_name (dynobj, ".got");
2529 BFD_ASSERT (sgot != NULL);
2533 && (h != NULL || info->shared))
2535 srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
2536 if (srelgot == NULL)
2538 srelgot = bfd_make_section_with_flags (dynobj,
2544 | SEC_LINKER_CREATED
2547 || ! bfd_set_section_alignment (dynobj, srelgot, 2))
2554 if (h->type == STT_DATALABEL)
2556 struct elf_sh64_link_hash_entry *hsh;
2558 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2559 hsh = (struct elf_sh64_link_hash_entry *)h;
2560 if (hsh->datalabel_got_offset != (bfd_vma) -1)
2563 hsh->datalabel_got_offset = sgot->size;
2567 if (h->got.offset != (bfd_vma) -1)
2569 /* We have already allocated space in the .got. */
2572 h->got.offset = sgot->size;
2575 /* Make sure this symbol is output as a dynamic symbol. */
2576 if (h->dynindx == -1)
2578 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2582 srelgot->size += sizeof (Elf64_External_Rela);
2586 /* This is a global offset table entry for a local
2588 if (local_got_offsets == NULL)
2591 register unsigned int i;
2593 size = symtab_hdr->sh_info * sizeof (bfd_vma);
2594 /* Reserve space for both the datalabel and
2595 codelabel local GOT offsets. */
2597 local_got_offsets = (bfd_vma *) bfd_alloc (abfd, size);
2598 if (local_got_offsets == NULL)
2600 elf_local_got_offsets (abfd) = local_got_offsets;
2601 for (i = 0; i < symtab_hdr->sh_info; i++)
2602 local_got_offsets[i] = (bfd_vma) -1;
2603 for (; i < 2 * symtab_hdr->sh_info; i++)
2604 local_got_offsets[i] = (bfd_vma) -1;
2606 if ((rel->r_addend & 1) != 0)
2608 if (local_got_offsets[symtab_hdr->sh_info
2609 + r_symndx] != (bfd_vma) -1)
2611 /* We have already allocated space in the .got. */
2614 local_got_offsets[symtab_hdr->sh_info
2615 + r_symndx] = sgot->size;
2619 if (local_got_offsets[r_symndx] != (bfd_vma) -1)
2621 /* We have already allocated space in the .got. */
2624 local_got_offsets[r_symndx] = sgot->size;
2629 /* If we are generating a shared object, we need to
2630 output a R_SH_RELATIVE reloc so that the dynamic
2631 linker can adjust this GOT entry. */
2632 srelgot->size += sizeof (Elf64_External_Rela);
2640 case R_SH_GOTPLT_LOW16:
2641 case R_SH_GOTPLT_MEDLOW16:
2642 case R_SH_GOTPLT_MEDHI16:
2643 case R_SH_GOTPLT_HI16:
2644 case R_SH_GOTPLT10BY4:
2645 case R_SH_GOTPLT10BY8:
2646 /* If this is a local symbol, we resolve it directly without
2647 creating a procedure linkage table entry. */
2650 || ELF_ST_VISIBILITY (h->other) == STV_INTERNAL
2651 || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN
2655 || h->got.offset != (bfd_vma) -1)
2658 /* Make sure this symbol is output as a dynamic symbol. */
2659 if (h->dynindx == -1)
2661 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2669 case R_SH_PLT_LOW16:
2670 case R_SH_PLT_MEDLOW16:
2671 case R_SH_PLT_MEDHI16:
2673 /* This symbol requires a procedure linkage table entry. We
2674 actually build the entry in adjust_dynamic_symbol,
2675 because this might be a case of linking PIC code which is
2676 never referenced by a dynamic object, in which case we
2677 don't need to generate a procedure linkage table entry
2680 /* If this is a local symbol, we resolve it directly without
2681 creating a procedure linkage table entry. */
2685 if (ELF_ST_VISIBILITY (h->other) == STV_INTERNAL
2686 || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN)
2698 /* If we are creating a shared library, and this is a reloc
2699 against a global symbol, or a non PC relative reloc
2700 against a local symbol, then we need to copy the reloc
2701 into the shared library. However, if we are linking with
2702 -Bsymbolic, we do not need to copy a reloc against a
2703 global symbol which is defined in an object we are
2704 including in the link (i.e., DEF_REGULAR is set). At
2705 this point we have not seen all the input files, so it is
2706 possible that DEF_REGULAR is not set now but will be set
2707 later (it is never cleared). We account for that
2708 possibility below by storing information in the
2709 pcrel_relocs_copied field of the hash table entry. */
2711 && (sec->flags & SEC_ALLOC) != 0
2712 && (ELF32_R_TYPE (rel->r_info) != R_SH_64_PCREL
2714 && (! info->symbolic
2715 || !h->def_regular))))
2717 /* When creating a shared object, we must copy these
2718 reloc types into the output file. We create a reloc
2719 section in dynobj and make room for this reloc. */
2724 name = (bfd_elf_string_from_elf_section
2726 elf_elfheader (abfd)->e_shstrndx,
2727 elf_section_data (sec)->rel_hdr.sh_name));
2731 BFD_ASSERT (CONST_STRNEQ (name, ".rela")
2732 && strcmp (bfd_get_section_name (abfd, sec),
2735 sreloc = bfd_get_section_by_name (dynobj, name);
2740 flags = (SEC_HAS_CONTENTS | SEC_READONLY
2741 | SEC_IN_MEMORY | SEC_LINKER_CREATED);
2742 if ((sec->flags & SEC_ALLOC) != 0)
2743 flags |= SEC_ALLOC | SEC_LOAD;
2744 sreloc = bfd_make_section_with_flags (dynobj,
2748 || ! bfd_set_section_alignment (dynobj, sreloc, 2))
2753 sreloc->size += sizeof (Elf64_External_Rela);
2755 /* If we are linking with -Bsymbolic, and this is a
2756 global symbol, we count the number of PC relative
2757 relocations we have entered for this symbol, so that
2758 we can discard them again if the symbol is later
2759 defined by a regular object. Note that this function
2760 is only called if we are using an elf_sh linker
2761 hash table, which means that h is really a pointer to
2762 an elf_sh_link_hash_entry. */
2763 if (h != NULL && info->symbolic
2764 && ELF64_R_TYPE (rel->r_info) == R_SH_64_PCREL)
2766 struct elf_sh64_link_hash_entry *eh;
2767 struct elf_sh64_pcrel_relocs_copied *p;
2769 eh = (struct elf_sh64_link_hash_entry *) h;
2771 for (p = eh->pcrel_relocs_copied; p != NULL; p = p->next)
2772 if (p->section == sreloc)
2777 p = ((struct elf_sh64_pcrel_relocs_copied *)
2778 bfd_alloc (dynobj, sizeof *p));
2781 p->next = eh->pcrel_relocs_copied;
2782 eh->pcrel_relocs_copied = p;
2783 p->section = sreloc;
2799 sh64_elf64_get_symbol_type (Elf_Internal_Sym * elf_sym, int type)
2801 if (ELF_ST_TYPE (elf_sym->st_info) == STT_DATALABEL)
2802 return STT_DATALABEL;
2807 /* FIXME: This is a copy of sh64_elf_add_symbol_hook in elf32-sh64.c.
2808 Either file can presumably exist without the other, but do not differ
2809 in elf-size-ness. How to share?
2811 Hook called by the linker routine which adds symbols from an object
2812 file. We must make indirect symbols for undefined symbols marked with
2813 STT_DATALABEL, so relocations passing them will pick up that attribute
2814 and neutralize STO_SH5_ISA32 found on the symbol definition.
2816 There is a problem, though: We want to fill in the hash-table entry for
2817 this symbol and signal to the caller that no further processing is
2818 needed. But we don't have the index for this hash-table entry. We
2819 rely here on that the current entry is the first hash-entry with NULL,
2820 which seems brittle. Also, iterating over the hash-table to find that
2821 entry is a linear operation on the number of symbols in this input
2822 file, and this function should take constant time, so that's not good
2823 too. Only comfort is that DataLabel references should only be found in
2824 hand-written assembly code and thus be rare. FIXME: Talk maintainers
2825 into adding an option to elf_add_symbol_hook (preferably) for the index
2826 or the hash entry, alternatively adding the index to Elf_Internal_Sym
2830 sh64_elf64_add_symbol_hook (bfd *abfd, struct bfd_link_info *info,
2831 Elf_Internal_Sym *sym, const char **namep,
2832 flagword *flagsp ATTRIBUTE_UNUSED,
2833 asection **secp, bfd_vma *valp)
2835 /* We want to do this for relocatable as well as final linking. */
2836 if (ELF_ST_TYPE (sym->st_info) == STT_DATALABEL
2837 && is_elf_hash_table (info->hash))
2839 struct elf_link_hash_entry *h;
2841 /* For relocatable links, we register the DataLabel sym in its own
2842 right, and tweak the name when it's output. Otherwise, we make
2843 an indirect symbol of it. */
2845 = info->relocatable || info->emitrelocations
2846 ? BSF_GLOBAL : BSF_GLOBAL | BSF_INDIRECT;
2849 = bfd_malloc (strlen (*namep) + sizeof (DATALABEL_SUFFIX));
2850 struct elf_link_hash_entry ** sym_hash = elf_sym_hashes (abfd);
2852 BFD_ASSERT (sym_hash != NULL);
2854 /* Allocation may fail. */
2855 if (dl_name == NULL)
2858 strcpy (dl_name, *namep);
2859 strcat (dl_name, DATALABEL_SUFFIX);
2861 h = (struct elf_link_hash_entry *)
2862 bfd_link_hash_lookup (info->hash, dl_name, FALSE, FALSE, FALSE);
2866 /* No previous datalabel symbol. Make one. */
2867 struct bfd_link_hash_entry *bh = NULL;
2868 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
2870 if (! _bfd_generic_link_add_one_symbol (info, abfd, dl_name,
2871 flags, *secp, *valp,
2879 h = (struct elf_link_hash_entry *) bh;
2881 h->type = STT_DATALABEL;
2884 /* If a new symbol was created, it holds the allocated name.
2885 Otherwise, we don't need it anymore and should deallocate it. */
2888 if (h->type != STT_DATALABEL
2889 || ((info->relocatable || info->emitrelocations)
2890 && h->root.type != bfd_link_hash_undefined)
2891 || (! info->relocatable && !info->emitrelocations
2892 && h->root.type != bfd_link_hash_indirect))
2894 /* Make sure we don't get confused on invalid input. */
2895 (*_bfd_error_handler)
2896 (_("%s: encountered datalabel symbol in input"),
2897 bfd_get_filename (abfd));
2898 bfd_set_error (bfd_error_bad_value);
2902 /* Now find the hash-table slot for this entry and fill it in. */
2903 while (*sym_hash != NULL)
2907 /* Signal to caller to skip this symbol - we've handled it. */
2914 /* This hook function is called before the linker writes out a global
2915 symbol. For relocatable links, DataLabel symbols will be present in
2916 linker output. We cut off the special suffix on those symbols, so the
2917 right name appears in the output.
2919 When linking and emitting relocations, there can appear global symbols
2920 that are not referenced by relocs, but rather only implicitly through
2921 DataLabel references, a relation that is not visible to the linker.
2922 Since no stripping of global symbols in done when doing such linking,
2923 we don't need to look up and make sure to emit the main symbol for each
2924 DataLabel symbol. */
2927 sh64_elf64_link_output_symbol_hook (struct bfd_link_info *info,
2929 Elf_Internal_Sym *sym,
2930 asection *input_sec ATTRIBUTE_UNUSED,
2931 struct elf_link_hash_entry *h ATTRIBUTE_UNUSED)
2933 char *name = (char *) cname;
2935 if (info->relocatable || info->emitrelocations)
2937 if (ELF_ST_TYPE (sym->st_info) == STT_DATALABEL)
2938 name[strlen (name) - strlen (DATALABEL_SUFFIX)] = 0;
2944 /* Set bit 0 on the entry address; it always points to SHmedia code. This
2945 is mostly for symmetry with the 32-bit format, where code can be
2946 SHcompact and we need to make a distinction to make sure execution
2947 starts in the right ISA mode. It is also convenient for a loader,
2948 which would otherwise have to set this bit when loading a TR register
2949 before jumping to the program entry. */
2952 sh64_elf64_final_write_processing (bfd *abfd,
2953 bfd_boolean linker ATTRIBUTE_UNUSED)
2955 /* FIXME: Perhaps we shouldn't do this if the entry address was supplied
2956 numerically, but we currently lack the infrastructure to recognize
2957 that: The entry symbol, and info whether it is numeric or a symbol
2958 name is kept private in the linker. */
2959 if (elf_elfheader (abfd)->e_type == ET_EXEC)
2960 elf_elfheader (abfd)->e_entry |= 1;
2963 /* First entry in an absolute procedure linkage table look like this. */
2965 static const bfd_byte elf_sh64_plt0_entry_be[PLT_ENTRY_SIZE] =
2967 0xcc, 0x00, 0x01, 0x10, /* movi .got.plt >> 48, r17 */
2968 0xc8, 0x00, 0x01, 0x10, /* shori (.got.plt >> 32) & 65535, r17 */
2969 0xc8, 0x00, 0x01, 0x10, /* shori (.got.plt >> 16) & 65535, r17 */
2970 0xc8, 0x00, 0x01, 0x10, /* shori .got.plt & 65535, r17 */
2971 0x8d, 0x10, 0x09, 0x90, /* ld.q r17, 16, r25 */
2972 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
2973 0x8d, 0x10, 0x05, 0x10, /* ld.q r17, 8, r17 */
2974 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
2975 0x6f, 0xf0, 0xff, 0xf0, /* nop */
2976 0x6f, 0xf0, 0xff, 0xf0, /* nop */
2977 0x6f, 0xf0, 0xff, 0xf0, /* nop */
2978 0x6f, 0xf0, 0xff, 0xf0, /* nop */
2979 0x6f, 0xf0, 0xff, 0xf0, /* nop */
2980 0x6f, 0xf0, 0xff, 0xf0, /* nop */
2981 0x6f, 0xf0, 0xff, 0xf0, /* nop */
2982 0x6f, 0xf0, 0xff, 0xf0, /* nop */
2985 static const bfd_byte elf_sh64_plt0_entry_le[PLT_ENTRY_SIZE] =
2987 0x10, 0x01, 0x00, 0xcc, /* movi .got.plt >> 16, r17 */
2988 0x10, 0x01, 0x00, 0xc8, /* shori (.got.plt >> 32) & 65535, r17 */
2989 0x10, 0x01, 0x00, 0xc8, /* shori (.got.plt >> 16) & 65535, r17 */
2990 0x10, 0x01, 0x00, 0xc8, /* shori .got.plt & 65535, r17 */
2991 0x90, 0x09, 0x10, 0x8d, /* ld.q r17, 16, r25 */
2992 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
2993 0x10, 0x05, 0x10, 0x8d, /* ld.q r17, 8, r17 */
2994 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
2995 0xf0, 0xff, 0xf0, 0x6f, /* nop */
2996 0xf0, 0xff, 0xf0, 0x6f, /* nop */
2997 0xf0, 0xff, 0xf0, 0x6f, /* nop */
2998 0xf0, 0xff, 0xf0, 0x6f, /* nop */
2999 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3000 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3001 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3002 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3005 /* Sebsequent entries in an absolute procedure linkage table look like
3008 static const bfd_byte elf_sh64_plt_entry_be[PLT_ENTRY_SIZE] =
3010 0xcc, 0x00, 0x01, 0x90, /* movi nameN-in-GOT >> 48, r25 */
3011 0xc8, 0x00, 0x01, 0x90, /* shori (nameN-in-GOT >> 32) & 65535, r25 */
3012 0xc8, 0x00, 0x01, 0x90, /* shori (nameN-in-GOT >> 16) & 65535, r25 */
3013 0xc8, 0x00, 0x01, 0x90, /* shori nameN-in-GOT & 65535, r25 */
3014 0x8d, 0x90, 0x01, 0x90, /* ld.q r25, 0, r25 */
3015 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
3016 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
3017 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3018 0xcc, 0x00, 0x01, 0x90, /* movi (.+8-.PLT0) >> 16, r25 */
3019 0xc8, 0x00, 0x01, 0x90, /* shori (.+4-.PLT0) & 65535, r25 */
3020 0x6b, 0xf5, 0x66, 0x00, /* ptrel r25, tr0 */
3021 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */
3022 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */
3023 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
3024 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3025 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3028 static const bfd_byte elf_sh64_plt_entry_le[PLT_ENTRY_SIZE] =
3030 0x90, 0x01, 0x00, 0xcc, /* movi nameN-in-GOT >> 16, r25 */
3031 0x90, 0x01, 0x00, 0xc8, /* shori nameN-in-GOT & 65535, r25 */
3032 0x90, 0x01, 0x00, 0xc8, /* shori nameN-in-GOT & 65535, r25 */
3033 0x90, 0x01, 0x00, 0xc8, /* shori nameN-in-GOT & 65535, r25 */
3034 0x90, 0x01, 0x90, 0x8d, /* ld.q r25, 0, r25 */
3035 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
3036 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
3037 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3038 0x90, 0x01, 0x00, 0xcc, /* movi (.+8-.PLT0) >> 16, r25 */
3039 0x90, 0x01, 0x00, 0xc8, /* shori (.+4-.PLT0) & 65535, r25 */
3040 0x00, 0x66, 0xf5, 0x6b, /* ptrel r25, tr0 */
3041 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */
3042 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */
3043 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
3044 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3045 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3048 /* Entries in a PIC procedure linkage table look like this. */
3050 static const bfd_byte elf_sh64_pic_plt_entry_be[PLT_ENTRY_SIZE] =
3052 0xcc, 0x00, 0x01, 0x90, /* movi nameN@GOT >> 16, r25 */
3053 0xc8, 0x00, 0x01, 0x90, /* shori nameN@GOT & 65535, r25 */
3054 0x40, 0xc3, 0x65, 0x90, /* ldx.q r12, r25, r25 */
3055 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
3056 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
3057 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3058 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3059 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3060 0xce, 0x00, 0x01, 0x10, /* movi -GOT_BIAS, r17 */
3061 0x00, 0xc9, 0x45, 0x10, /* add r12, r17, r17 */
3062 0x8d, 0x10, 0x09, 0x90, /* ld.q r17, 16, r25 */
3063 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
3064 0x8d, 0x10, 0x05, 0x10, /* ld.q r17, 8, r17 */
3065 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */
3066 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */
3067 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
3070 static const bfd_byte elf_sh64_pic_plt_entry_le[PLT_ENTRY_SIZE] =
3072 0x90, 0x01, 0x00, 0xcc, /* movi nameN@GOT >> 16, r25 */
3073 0x90, 0x01, 0x00, 0xc8, /* shori nameN@GOT & 65535, r25 */
3074 0x90, 0x65, 0xc3, 0x40, /* ldx.q r12, r25, r25 */
3075 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
3076 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
3077 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3078 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3079 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3080 0x10, 0x01, 0x00, 0xce, /* movi -GOT_BIAS, r17 */
3081 0x10, 0x45, 0xc9, 0x00, /* add r12, r17, r17 */
3082 0x90, 0x09, 0x10, 0x8d, /* ld.q r17, 16, r25 */
3083 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
3084 0x10, 0x05, 0x10, 0x8d, /* ld.q r17, 8, r17 */
3085 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */
3086 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */
3087 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
3090 static const bfd_byte *elf_sh64_plt0_entry;
3091 static const bfd_byte *elf_sh64_plt_entry;
3092 static const bfd_byte *elf_sh64_pic_plt_entry;
3094 /* Create an entry in an sh ELF linker hash table. */
3096 static struct bfd_hash_entry *
3097 sh64_elf64_link_hash_newfunc (struct bfd_hash_entry *entry,
3098 struct bfd_hash_table *table,
3101 struct elf_sh64_link_hash_entry *ret =
3102 (struct elf_sh64_link_hash_entry *) entry;
3104 /* Allocate the structure if it has not already been allocated by a
3106 if (ret == (struct elf_sh64_link_hash_entry *) NULL)
3107 ret = ((struct elf_sh64_link_hash_entry *)
3108 bfd_hash_allocate (table,
3109 sizeof (struct elf_sh64_link_hash_entry)));
3110 if (ret == (struct elf_sh64_link_hash_entry *) NULL)
3111 return (struct bfd_hash_entry *) ret;
3113 /* Call the allocation method of the superclass. */
3114 ret = ((struct elf_sh64_link_hash_entry *)
3115 _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
3117 if (ret != (struct elf_sh64_link_hash_entry *) NULL)
3119 ret->pcrel_relocs_copied = NULL;
3120 ret->datalabel_got_offset = (bfd_vma) -1;
3123 return (struct bfd_hash_entry *) ret;
3126 /* Create an sh64 ELF linker hash table. */
3128 static struct bfd_link_hash_table *
3129 sh64_elf64_link_hash_table_create (bfd *abfd)
3131 struct elf_sh64_link_hash_table *ret;
3133 ret = ((struct elf_sh64_link_hash_table *)
3134 bfd_malloc (sizeof (struct elf_sh64_link_hash_table)));
3135 if (ret == (struct elf_sh64_link_hash_table *) NULL)
3138 if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
3139 sh64_elf64_link_hash_newfunc,
3140 sizeof (struct elf_sh64_link_hash_entry)))
3146 return &ret->root.root;
3150 movi_shori_putval (bfd *output_bfd, unsigned long value, bfd_byte *addr)
3152 bfd_put_32 (output_bfd,
3153 bfd_get_32 (output_bfd, addr)
3154 | ((value >> 6) & 0x3fffc00),
3156 bfd_put_32 (output_bfd,
3157 bfd_get_32 (output_bfd, addr + 4)
3158 | ((value << 10) & 0x3fffc00),
3163 movi_3shori_putval (bfd *output_bfd, bfd_vma value, bfd_byte *addr)
3165 bfd_put_32 (output_bfd,
3166 bfd_get_32 (output_bfd, addr)
3167 | ((value >> 38) & 0x3fffc00),
3169 bfd_put_32 (output_bfd,
3170 bfd_get_32 (output_bfd, addr + 4)
3171 | ((value >> 22) & 0x3fffc00),
3173 bfd_put_32 (output_bfd,
3174 bfd_get_32 (output_bfd, addr + 8)
3175 | ((value >> 6) & 0x3fffc00),
3177 bfd_put_32 (output_bfd,
3178 bfd_get_32 (output_bfd, addr + 12)
3179 | ((value << 10) & 0x3fffc00),
3183 /* Create dynamic sections when linking against a dynamic object. */
3186 sh64_elf64_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
3188 flagword flags, pltflags;
3189 register asection *s;
3190 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
3193 switch (bed->s->arch_size)
3204 bfd_set_error (bfd_error_bad_value);
3208 /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and
3209 .rel[a].bss sections. */
3211 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
3212 | SEC_LINKER_CREATED);
3215 pltflags |= SEC_CODE;
3216 if (bed->plt_not_loaded)
3217 pltflags &= ~ (SEC_LOAD | SEC_HAS_CONTENTS);
3218 if (bed->plt_readonly)
3219 pltflags |= SEC_READONLY;
3221 s = bfd_make_section_with_flags (abfd, ".plt", pltflags);
3223 || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
3226 if (bed->want_plt_sym)
3228 /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
3230 struct elf_link_hash_entry *h;
3231 struct bfd_link_hash_entry *bh = NULL;
3233 if (! (_bfd_generic_link_add_one_symbol
3234 (info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s,
3235 (bfd_vma) 0, (const char *) NULL, FALSE, bed->collect, &bh)))
3238 h = (struct elf_link_hash_entry *) bh;
3240 h->type = STT_OBJECT;
3241 elf_hash_table (info)->hplt = h;
3244 && ! bfd_elf_link_record_dynamic_symbol (info, h))
3248 s = bfd_make_section_with_flags (abfd,
3249 bed->default_use_rela_p ? ".rela.plt" : ".rel.plt",
3250 flags | SEC_READONLY);
3252 || ! bfd_set_section_alignment (abfd, s, ptralign))
3255 if (! _bfd_elf_create_got_section (abfd, info))
3259 const char *secname;
3264 for (sec = abfd->sections; sec; sec = sec->next)
3266 secflags = bfd_get_section_flags (abfd, sec);
3267 if ((secflags & (SEC_DATA | SEC_LINKER_CREATED))
3268 || ((secflags & SEC_HAS_CONTENTS) != SEC_HAS_CONTENTS))
3270 secname = bfd_get_section_name (abfd, sec);
3271 relname = (char *) bfd_malloc (strlen (secname) + 6);
3272 strcpy (relname, ".rela");
3273 strcat (relname, secname);
3274 s = bfd_make_section_with_flags (abfd, relname,
3275 flags | SEC_READONLY);
3277 || ! bfd_set_section_alignment (abfd, s, ptralign))
3282 if (bed->want_dynbss)
3284 /* The .dynbss section is a place to put symbols which are defined
3285 by dynamic objects, are referenced by regular objects, and are
3286 not functions. We must allocate space for them in the process
3287 image and use a R_*_COPY reloc to tell the dynamic linker to
3288 initialize them at run time. The linker script puts the .dynbss
3289 section into the .bss section of the final image. */
3290 s = bfd_make_section_with_flags (abfd, ".dynbss",
3291 SEC_ALLOC | SEC_LINKER_CREATED);
3295 /* The .rel[a].bss section holds copy relocs. This section is not
3296 normally needed. We need to create it here, though, so that the
3297 linker will map it to an output section. We can't just create it
3298 only if we need it, because we will not know whether we need it
3299 until we have seen all the input files, and the first time the
3300 main linker code calls BFD after examining all the input files
3301 (size_dynamic_sections) the input sections have already been
3302 mapped to the output sections. If the section turns out not to
3303 be needed, we can discard it later. We will never need this
3304 section when generating a shared object, since they do not use
3308 s = bfd_make_section_with_flags (abfd,
3309 (bed->default_use_rela_p
3310 ? ".rela.bss" : ".rel.bss"),
3311 flags | SEC_READONLY);
3313 || ! bfd_set_section_alignment (abfd, s, ptralign))
3321 /* Adjust a symbol defined by a dynamic object and referenced by a
3322 regular object. The current definition is in some section of the
3323 dynamic object, but we're not including those sections. We have to
3324 change the definition to something the rest of the link can
3328 sh64_elf64_adjust_dynamic_symbol (struct bfd_link_info *info,
3329 struct elf_link_hash_entry *h)
3334 dynobj = elf_hash_table (info)->dynobj;
3336 /* Make sure we know what is going on here. */
3337 BFD_ASSERT (dynobj != NULL
3339 || h->u.weakdef != NULL
3342 && !h->def_regular)));
3344 /* If this is a function, put it in the procedure linkage table. We
3345 will fill in the contents of the procedure linkage table later,
3346 when we know the address of the .got section. */
3347 if (h->type == STT_FUNC
3354 /* This case can occur if we saw a PLT reloc in an input
3355 file, but the symbol was never referred to by a dynamic
3356 object. In such a case, we don't actually need to build
3357 a procedure linkage table, and we can just do a REL64
3359 BFD_ASSERT (h->needs_plt);
3363 /* Make sure this symbol is output as a dynamic symbol. */
3364 if (h->dynindx == -1)
3366 if (! bfd_elf_link_record_dynamic_symbol (info, h))
3370 s = bfd_get_section_by_name (dynobj, ".plt");
3371 BFD_ASSERT (s != NULL);
3373 /* If this is the first .plt entry, make room for the special
3376 s->size += PLT_ENTRY_SIZE;
3378 /* If this symbol is not defined in a regular file, and we are
3379 not generating a shared library, then set the symbol to this
3380 location in the .plt. This is required to make function
3381 pointers compare as equal between the normal executable and
3382 the shared library. */
3386 h->root.u.def.section = s;
3387 h->root.u.def.value = s->size;
3390 h->plt.offset = s->size;
3392 /* Make room for this entry. */
3393 s->size += elf_sh64_sizeof_plt (info);
3395 /* We also need to make an entry in the .got.plt section, which
3396 will be placed in the .got section by the linker script. */
3398 s = bfd_get_section_by_name (dynobj, ".got.plt");
3399 BFD_ASSERT (s != NULL);
3402 /* We also need to make an entry in the .rela.plt section. */
3404 s = bfd_get_section_by_name (dynobj, ".rela.plt");
3405 BFD_ASSERT (s != NULL);
3406 s->size += sizeof (Elf64_External_Rela);
3411 /* If this is a weak symbol, and there is a real definition, the
3412 processor independent code will have arranged for us to see the
3413 real definition first, and we can just use the same value. */
3414 if (h->u.weakdef != NULL)
3416 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
3417 || h->u.weakdef->root.type == bfd_link_hash_defweak);
3418 h->root.u.def.section = h->u.weakdef->root.u.def.section;
3419 h->root.u.def.value = h->u.weakdef->root.u.def.value;
3423 /* This is a reference to a symbol defined by a dynamic object which
3424 is not a function. */
3426 /* If we are creating a shared library, we must presume that the
3427 only references to the symbol are via the global offset table.
3428 For such cases we need not do anything here; the relocations will
3429 be handled correctly by relocate_section. */
3433 /* If there are no references to this symbol that do not use the
3434 GOT, we don't need to generate a copy reloc. */
3435 if (!h->non_got_ref)
3440 (*_bfd_error_handler) (_("dynamic variable `%s' is zero size"),
3441 h->root.root.string);
3445 /* We must allocate the symbol in our .dynbss section, which will
3446 become part of the .bss section of the executable. There will be
3447 an entry for this symbol in the .dynsym section. The dynamic
3448 object will contain position independent code, so all references
3449 from the dynamic object to this symbol will go through the global
3450 offset table. The dynamic linker will use the .dynsym entry to
3451 determine the address it must put in the global offset table, so
3452 both the dynamic object and the regular object will refer to the
3453 same memory location for the variable. */
3455 s = bfd_get_section_by_name (dynobj, ".dynbss");
3456 BFD_ASSERT (s != NULL);
3458 /* We must generate a R_SH_COPY reloc to tell the dynamic linker to
3459 copy the initial value out of the dynamic object and into the
3460 runtime process image. We need to remember the offset into the
3461 .rela.bss section we are going to use. */
3462 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
3466 srel = bfd_get_section_by_name (dynobj, ".rela.bss");
3467 BFD_ASSERT (srel != NULL);
3468 srel->size += sizeof (Elf64_External_Rela);
3472 return _bfd_elf_adjust_dynamic_copy (h, s);
3475 /* This function is called via sh_elf_link_hash_traverse if we are
3476 creating a shared object with -Bsymbolic. It discards the space
3477 allocated to copy PC relative relocs against symbols which are
3478 defined in regular objects. We allocated space for them in the
3479 check_relocs routine, but we won't fill them in in the
3480 relocate_section routine. */
3483 sh64_elf64_discard_copies (struct elf_sh64_link_hash_entry *h,
3484 void *ignore ATTRIBUTE_UNUSED)
3486 struct elf_sh64_pcrel_relocs_copied *s;
3488 if (h->root.root.type == bfd_link_hash_warning)
3489 h = (struct elf_sh64_link_hash_entry *) h->root.root.u.i.link;
3491 /* We only discard relocs for symbols defined in a regular object. */
3492 if (!h->root.def_regular)
3495 for (s = h->pcrel_relocs_copied; s != NULL; s = s->next)
3496 s->section->size -= s->count * sizeof (Elf64_External_Rela);
3501 /* Set the sizes of the dynamic sections. */
3504 sh64_elf64_size_dynamic_sections (bfd *output_bfd,
3505 struct bfd_link_info *info)
3511 bfd_boolean reltext;
3513 dynobj = elf_hash_table (info)->dynobj;
3514 BFD_ASSERT (dynobj != NULL);
3516 if (elf_hash_table (info)->dynamic_sections_created)
3518 /* Set the contents of the .interp section to the interpreter. */
3519 if (info->executable)
3521 s = bfd_get_section_by_name (dynobj, ".interp");
3522 BFD_ASSERT (s != NULL);
3523 s->size = sizeof ELF_DYNAMIC_INTERPRETER;
3524 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
3529 /* We may have created entries in the .rela.got section.
3530 However, if we are not creating the dynamic sections, we will
3531 not actually use these entries. Reset the size of .rela.got,
3532 which will cause it to get stripped from the output file
3534 s = bfd_get_section_by_name (dynobj, ".rela.got");
3539 /* If this is a -Bsymbolic shared link, then we need to discard all
3540 PC relative relocs against symbols defined in a regular object.
3541 We allocated space for them in the check_relocs routine, but we
3542 will not fill them in in the relocate_section routine. */
3543 if (info->shared && info->symbolic)
3544 sh64_elf64_link_hash_traverse (sh64_elf64_hash_table (info),
3545 sh64_elf64_discard_copies, NULL);
3547 /* The check_relocs and adjust_dynamic_symbol entry points have
3548 determined the sizes of the various dynamic sections. Allocate
3553 for (s = dynobj->sections; s != NULL; s = s->next)
3557 if ((s->flags & SEC_LINKER_CREATED) == 0)
3560 /* It's OK to base decisions on the section name, because none
3561 of the dynobj section names depend upon the input files. */
3562 name = bfd_get_section_name (dynobj, s);
3564 if (strcmp (name, ".plt") == 0)
3566 /* Remember whether there is a PLT. */
3569 else if (CONST_STRNEQ (name, ".rela"))
3575 /* Remember whether there are any reloc sections other
3577 if (strcmp (name, ".rela.plt") != 0)
3579 const char *outname;
3583 /* If this relocation section applies to a read only
3584 section, then we probably need a DT_TEXTREL
3585 entry. The entries in the .rela.plt section
3586 really apply to the .got section, which we
3587 created ourselves and so know is not readonly. */
3588 outname = bfd_get_section_name (output_bfd,
3590 target = bfd_get_section_by_name (output_bfd, outname + 5);
3592 && (target->flags & SEC_READONLY) != 0
3593 && (target->flags & SEC_ALLOC) != 0)
3597 /* We use the reloc_count field as a counter if we need
3598 to copy relocs into the output file. */
3602 else if (! CONST_STRNEQ (name, ".got")
3603 && strcmp (name, ".dynbss") != 0)
3605 /* It's not one of our sections, so don't allocate space. */
3611 /* If we don't need this section, strip it from the
3612 output file. This is mostly to handle .rela.bss and
3613 .rela.plt. We must create both sections in
3614 create_dynamic_sections, because they must be created
3615 before the linker maps input sections to output
3616 sections. The linker does that before
3617 adjust_dynamic_symbol is called, and it is that
3618 function which decides whether anything needs to go
3619 into these sections. */
3620 s->flags |= SEC_EXCLUDE;
3624 if ((s->flags & SEC_HAS_CONTENTS) == 0)
3627 /* Allocate memory for the section contents. */
3628 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
3629 if (s->contents == NULL)
3633 if (elf_hash_table (info)->dynamic_sections_created)
3635 /* Add some entries to the .dynamic section. We fill in the
3636 values later, in sh64_elf64_finish_dynamic_sections, but we
3637 must add the entries now so that we get the correct size for
3638 the .dynamic section. The DT_DEBUG entry is filled in by the
3639 dynamic linker and used by the debugger. */
3640 if (info->executable)
3642 if (!_bfd_elf_add_dynamic_entry (info, DT_DEBUG, 0))
3648 if (!_bfd_elf_add_dynamic_entry (info, DT_PLTGOT, 0)
3649 || !_bfd_elf_add_dynamic_entry (info, DT_PLTRELSZ, 0)
3650 || !_bfd_elf_add_dynamic_entry (info, DT_PLTREL, DT_RELA)
3651 || !_bfd_elf_add_dynamic_entry (info, DT_JMPREL, 0))
3657 if (!_bfd_elf_add_dynamic_entry (info, DT_RELA, 0)
3658 || !_bfd_elf_add_dynamic_entry (info, DT_RELASZ, 0)
3659 || !_bfd_elf_add_dynamic_entry (info, DT_RELAENT,
3660 sizeof (Elf64_External_Rela)))
3666 if (!_bfd_elf_add_dynamic_entry (info, DT_TEXTREL, 0))
3674 /* Finish up dynamic symbol handling. We set the contents of various
3675 dynamic sections here. */
3678 sh64_elf64_finish_dynamic_symbol (bfd *output_bfd,
3679 struct bfd_link_info *info,
3680 struct elf_link_hash_entry *h,
3681 Elf_Internal_Sym *sym)
3685 dynobj = elf_hash_table (info)->dynobj;
3687 if (h->plt.offset != (bfd_vma) -1)
3695 Elf_Internal_Rela rel;
3698 /* This symbol has an entry in the procedure linkage table. Set
3701 BFD_ASSERT (h->dynindx != -1);
3703 splt = bfd_get_section_by_name (dynobj, ".plt");
3704 sgot = bfd_get_section_by_name (dynobj, ".got.plt");
3705 srel = bfd_get_section_by_name (dynobj, ".rela.plt");
3706 BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL);
3708 /* Get the index in the procedure linkage table which
3709 corresponds to this symbol. This is the index of this symbol
3710 in all the symbols for which we are making plt entries. The
3711 first entry in the procedure linkage table is reserved. */
3712 plt_index = h->plt.offset / elf_sh64_sizeof_plt (info) - 1;
3714 /* Get the offset into the .got table of the entry that
3715 corresponds to this function. Each .got entry is 8 bytes.
3716 The first three are reserved. */
3717 got_offset = (plt_index + 3) * 8;
3720 got_offset -= GOT_BIAS;
3722 /* Fill in the entry in the procedure linkage table. */
3725 if (elf_sh64_plt_entry == NULL)
3727 elf_sh64_plt_entry = (bfd_big_endian (output_bfd) ?
3728 elf_sh64_plt_entry_be : elf_sh64_plt_entry_le);
3730 memcpy (splt->contents + h->plt.offset, elf_sh64_plt_entry,
3731 elf_sh64_sizeof_plt (info));
3732 movi_3shori_putval (output_bfd,
3733 (sgot->output_section->vma
3734 + sgot->output_offset
3736 (splt->contents + h->plt.offset
3737 + elf_sh64_plt_symbol_offset (info)));
3739 /* Set bottom bit because its for a branch to SHmedia */
3740 movi_shori_putval (output_bfd,
3742 + elf_sh64_plt_plt0_offset (info) + 8)
3744 (splt->contents + h->plt.offset
3745 + elf_sh64_plt_plt0_offset (info)));
3749 if (elf_sh64_pic_plt_entry == NULL)
3751 elf_sh64_pic_plt_entry = (bfd_big_endian (output_bfd) ?
3752 elf_sh64_pic_plt_entry_be :
3753 elf_sh64_pic_plt_entry_le);
3755 memcpy (splt->contents + h->plt.offset, elf_sh64_pic_plt_entry,
3756 elf_sh64_sizeof_plt (info));
3757 movi_shori_putval (output_bfd, got_offset,
3758 (splt->contents + h->plt.offset
3759 + elf_sh64_plt_symbol_offset (info)));
3763 got_offset += GOT_BIAS;
3765 movi_shori_putval (output_bfd,
3766 plt_index * sizeof (Elf64_External_Rela),
3767 (splt->contents + h->plt.offset
3768 + elf_sh64_plt_reloc_offset (info)));
3770 /* Fill in the entry in the global offset table. */
3771 bfd_put_64 (output_bfd,
3772 (splt->output_section->vma
3773 + splt->output_offset
3775 + elf_sh64_plt_temp_offset (info)),
3776 sgot->contents + got_offset);
3778 /* Fill in the entry in the .rela.plt section. */
3779 rel.r_offset = (sgot->output_section->vma
3780 + sgot->output_offset
3782 rel.r_info = ELF64_R_INFO (h->dynindx, R_SH_JMP_SLOT64);
3784 rel.r_addend = GOT_BIAS;
3785 loc = srel->contents + plt_index * sizeof (Elf64_External_Rela);
3786 bfd_elf64_swap_reloca_out (output_bfd, &rel, loc);
3788 if (!h->def_regular)
3790 /* Mark the symbol as undefined, rather than as defined in
3791 the .plt section. Leave the value alone. */
3792 sym->st_shndx = SHN_UNDEF;
3796 if (h->got.offset != (bfd_vma) -1)
3800 Elf_Internal_Rela rel;
3803 /* This symbol has an entry in the global offset table. Set it
3806 sgot = bfd_get_section_by_name (dynobj, ".got");
3807 srel = bfd_get_section_by_name (dynobj, ".rela.got");
3808 BFD_ASSERT (sgot != NULL && srel != NULL);
3810 rel.r_offset = (sgot->output_section->vma
3811 + sgot->output_offset
3812 + (h->got.offset &~ 1));
3814 /* If this is a -Bsymbolic link, and the symbol is defined
3815 locally, we just want to emit a RELATIVE reloc. Likewise if
3816 the symbol was forced to be local because of a version file.
3817 The entry in the global offset table will already have been
3818 initialized in the relocate_section function. */
3820 && (info->symbolic || h->dynindx == -1)
3823 rel.r_info = ELF64_R_INFO (0, R_SH_RELATIVE64);
3824 rel.r_addend = (h->root.u.def.value
3825 + h->root.u.def.section->output_section->vma
3826 + h->root.u.def.section->output_offset);
3830 bfd_put_64 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
3831 rel.r_info = ELF64_R_INFO (h->dynindx, R_SH_GLOB_DAT64);
3835 loc = srel->contents;
3836 loc += srel->reloc_count++ * sizeof (Elf64_External_Rela);
3837 bfd_elf64_swap_reloca_out (output_bfd, &rel, loc);
3843 Elf_Internal_Rela rel;
3846 /* This symbol needs a copy reloc. Set it up. */
3848 BFD_ASSERT (h->dynindx != -1
3849 && (h->root.type == bfd_link_hash_defined
3850 || h->root.type == bfd_link_hash_defweak));
3852 s = bfd_get_section_by_name (h->root.u.def.section->owner,
3854 BFD_ASSERT (s != NULL);
3856 rel.r_offset = (h->root.u.def.value
3857 + h->root.u.def.section->output_section->vma
3858 + h->root.u.def.section->output_offset);
3859 rel.r_info = ELF64_R_INFO (h->dynindx, R_SH_COPY64);
3862 loc += s->reloc_count++ * sizeof (Elf64_External_Rela);
3863 bfd_elf64_swap_reloca_out (output_bfd, &rel, loc);
3866 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */
3867 if (strcmp (h->root.root.string, "_DYNAMIC") == 0
3868 || h == elf_hash_table (info)->hgot)
3869 sym->st_shndx = SHN_ABS;
3874 /* Finish up the dynamic sections. */
3877 sh64_elf64_finish_dynamic_sections (bfd *output_bfd,
3878 struct bfd_link_info *info)
3884 dynobj = elf_hash_table (info)->dynobj;
3886 sgot = bfd_get_section_by_name (dynobj, ".got.plt");
3887 BFD_ASSERT (sgot != NULL);
3888 sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
3890 if (elf_hash_table (info)->dynamic_sections_created)
3893 Elf64_External_Dyn *dyncon, *dynconend;
3895 BFD_ASSERT (sdyn != NULL);
3897 dyncon = (Elf64_External_Dyn *) sdyn->contents;
3898 dynconend = (Elf64_External_Dyn *) (sdyn->contents + sdyn->size);
3899 for (; dyncon < dynconend; dyncon++)
3901 Elf_Internal_Dyn dyn;
3904 struct elf_link_hash_entry *h;
3906 bfd_elf64_swap_dyn_in (dynobj, dyncon, &dyn);
3914 name = info->init_function;
3918 name = info->fini_function;
3920 if (dyn.d_un.d_val != 0)
3922 h = elf_link_hash_lookup (elf_hash_table (info), name,
3923 FALSE, FALSE, TRUE);
3924 if (h != NULL && (h->other & STO_SH5_ISA32))
3926 dyn.d_un.d_val |= 1;
3927 bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon);
3939 s = bfd_get_section_by_name (output_bfd, name);
3940 BFD_ASSERT (s != NULL);
3941 dyn.d_un.d_ptr = s->vma;
3942 bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon);
3946 s = bfd_get_section_by_name (output_bfd, ".rela.plt");
3947 BFD_ASSERT (s != NULL);
3948 dyn.d_un.d_val = s->size;
3949 bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon);
3953 /* My reading of the SVR4 ABI indicates that the
3954 procedure linkage table relocs (DT_JMPREL) should be
3955 included in the overall relocs (DT_RELA). This is
3956 what Solaris does. However, UnixWare can not handle
3957 that case. Therefore, we override the DT_RELASZ entry
3958 here to make it not include the JMPREL relocs. Since
3959 the linker script arranges for .rela.plt to follow all
3960 other relocation sections, we don't have to worry
3961 about changing the DT_RELA entry. */
3962 s = bfd_get_section_by_name (output_bfd, ".rela.plt");
3964 dyn.d_un.d_val -= s->size;
3965 bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon);
3970 /* Fill in the first entry in the procedure linkage table. */
3971 splt = bfd_get_section_by_name (dynobj, ".plt");
3972 if (splt && splt->size > 0)
3976 if (elf_sh64_pic_plt_entry == NULL)
3978 elf_sh64_pic_plt_entry = (bfd_big_endian (output_bfd) ?
3979 elf_sh64_pic_plt_entry_be :
3980 elf_sh64_pic_plt_entry_le);
3982 memcpy (splt->contents, elf_sh64_pic_plt_entry,
3983 elf_sh64_sizeof_plt (info));
3987 if (elf_sh64_plt0_entry == NULL)
3989 elf_sh64_plt0_entry = (bfd_big_endian (output_bfd) ?
3990 elf_sh64_plt0_entry_be :
3991 elf_sh64_plt0_entry_le);
3993 memcpy (splt->contents, elf_sh64_plt0_entry, PLT_ENTRY_SIZE);
3994 movi_3shori_putval (output_bfd,
3995 sgot->output_section->vma
3996 + sgot->output_offset,
3998 + elf_sh64_plt0_gotplt_offset (info));
4001 /* UnixWare sets the entsize of .plt to 8, although that doesn't
4002 really seem like the right value. */
4003 elf_section_data (splt->output_section)->this_hdr.sh_entsize = 8;
4007 /* Fill in the first three entries in the global offset table. */
4011 bfd_put_64 (output_bfd, (bfd_vma) 0, sgot->contents);
4013 bfd_put_64 (output_bfd,
4014 sdyn->output_section->vma + sdyn->output_offset,
4016 bfd_put_64 (output_bfd, (bfd_vma) 0, sgot->contents + 8);
4017 bfd_put_64 (output_bfd, (bfd_vma) 0, sgot->contents + 16);
4020 elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 8;
4025 /* Merge non visibility st_other attribute when the symbol comes from
4026 a dynamic object. */
4028 sh64_elf64_merge_symbol_attribute (struct elf_link_hash_entry *h,
4029 const Elf_Internal_Sym *isym,
4030 bfd_boolean definition,
4031 bfd_boolean dynamic ATTRIBUTE_UNUSED)
4033 if ((isym->st_other & ~ELF_ST_VISIBILITY (-1)) != 0)
4035 unsigned char other;
4037 /* Take the balance of OTHER from the definition. */
4038 other = (definition ? isym->st_other : h->other);
4039 other &= ~ ELF_ST_VISIBILITY (-1);
4040 h->other = other | ELF_ST_VISIBILITY (h->other);
4046 static const struct bfd_elf_special_section sh64_elf64_special_sections[]=
4048 { STRING_COMMA_LEN (".cranges"), 0, SHT_PROGBITS, 0 },
4049 { NULL, 0, 0, 0, 0 }
4052 #define TARGET_BIG_SYM bfd_elf64_sh64_vec
4053 #define TARGET_BIG_NAME "elf64-sh64"
4054 #define TARGET_LITTLE_SYM bfd_elf64_sh64l_vec
4055 #define TARGET_LITTLE_NAME "elf64-sh64l"
4056 #define ELF_ARCH bfd_arch_sh
4057 #define ELF_MACHINE_CODE EM_SH
4058 #define ELF_MAXPAGESIZE 128
4060 #define elf_symbol_leading_char '_'
4062 #define bfd_elf64_bfd_reloc_type_lookup sh_elf64_reloc_type_lookup
4063 #define bfd_elf64_bfd_reloc_name_lookup \
4064 sh_elf64_reloc_name_lookup
4065 #define elf_info_to_howto sh_elf64_info_to_howto
4067 /* Note: there's no relaxation at present. */
4069 #define elf_backend_relocate_section sh_elf64_relocate_section
4070 #define bfd_elf64_bfd_get_relocated_section_contents \
4071 sh_elf64_get_relocated_section_contents
4072 #define elf_backend_object_p sh_elf64_set_mach_from_flags
4073 #define bfd_elf64_bfd_set_private_flags \
4074 sh_elf64_set_private_flags
4075 #define bfd_elf64_bfd_copy_private_bfd_data \
4076 sh_elf64_copy_private_data
4077 #define bfd_elf64_bfd_merge_private_bfd_data \
4078 sh_elf64_merge_private_data
4079 #define elf_backend_fake_sections sh64_elf64_fake_sections
4081 #define elf_backend_gc_mark_hook sh_elf64_gc_mark_hook
4082 #define elf_backend_check_relocs sh_elf64_check_relocs
4084 #define elf_backend_can_gc_sections 1
4086 #define elf_backend_get_symbol_type sh64_elf64_get_symbol_type
4088 #define elf_backend_add_symbol_hook sh64_elf64_add_symbol_hook
4090 #define elf_backend_link_output_symbol_hook \
4091 sh64_elf64_link_output_symbol_hook
4093 #define elf_backend_merge_symbol_attribute \
4094 sh64_elf64_merge_symbol_attribute
4096 #define elf_backend_final_write_processing \
4097 sh64_elf64_final_write_processing
4099 #define elf_backend_create_dynamic_sections \
4100 sh64_elf64_create_dynamic_sections
4101 #define bfd_elf64_bfd_link_hash_table_create \
4102 sh64_elf64_link_hash_table_create
4103 #define elf_backend_adjust_dynamic_symbol \
4104 sh64_elf64_adjust_dynamic_symbol
4105 #define elf_backend_size_dynamic_sections \
4106 sh64_elf64_size_dynamic_sections
4107 #define elf_backend_omit_section_dynsym \
4108 ((bfd_boolean (*) (bfd *, struct bfd_link_info *, asection *)) bfd_true)
4109 #define elf_backend_finish_dynamic_symbol \
4110 sh64_elf64_finish_dynamic_symbol
4111 #define elf_backend_finish_dynamic_sections \
4112 sh64_elf64_finish_dynamic_sections
4113 #define elf_backend_special_sections sh64_elf64_special_sections
4115 #define elf_backend_want_got_plt 1
4116 #define elf_backend_plt_readonly 1
4117 #define elf_backend_want_plt_sym 0
4118 #define elf_backend_got_header_size 24
4120 #include "elf64-target.h"
4122 /* NetBSD support. */
4123 #undef TARGET_BIG_SYM
4124 #define TARGET_BIG_SYM bfd_elf64_sh64nbsd_vec
4125 #undef TARGET_BIG_NAME
4126 #define TARGET_BIG_NAME "elf64-sh64-nbsd"
4127 #undef TARGET_LITTLE_SYM
4128 #define TARGET_LITTLE_SYM bfd_elf64_sh64lnbsd_vec
4129 #undef TARGET_LITTLE_NAME
4130 #define TARGET_LITTLE_NAME "elf64-sh64l-nbsd"
4131 #undef ELF_MAXPAGESIZE
4132 #define ELF_MAXPAGESIZE 0x10000
4133 #undef elf_symbol_leading_char
4134 #define elf_symbol_leading_char 0
4136 #define elf64_bed elf64_sh64_nbsd_bed
4138 #include "elf64-target.h"
4140 /* Linux support. */
4141 #undef TARGET_BIG_SYM
4142 #define TARGET_BIG_SYM bfd_elf64_sh64blin_vec
4143 #undef TARGET_BIG_NAME
4144 #define TARGET_BIG_NAME "elf64-sh64big-linux"
4145 #undef TARGET_LITTLE_SYM
4146 #define TARGET_LITTLE_SYM bfd_elf64_sh64lin_vec
4147 #undef TARGET_LITTLE_NAME
4148 #define TARGET_LITTLE_NAME "elf64-sh64-linux"
4150 #define elf64_bed elf64_sh64_linux_bed
4152 #include "elf64-target.h"