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 2 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, MA 02110-1301, USA. */
30 /* Add a suffix for datalabel indirection symbols. It must not match any
31 other symbols; user symbols with or without version or other
32 decoration. It must only be used internally and not emitted by any
34 #define DATALABEL_SUFFIX " DL"
36 #define GOT_BIAS (-((long)-32768))
38 #define PLT_ENTRY_SIZE 64
40 /* Return size of a PLT entry. */
41 #define elf_sh64_sizeof_plt(info) PLT_ENTRY_SIZE
43 /* Return offset of the PLT0 address in an absolute PLT entry. */
44 #define elf_sh64_plt_plt0_offset(info) 32
46 /* Return offset of the linker in PLT0 entry. */
47 #define elf_sh64_plt0_gotplt_offset(info) 0
49 /* Return offset of the trampoline in PLT entry */
50 #define elf_sh64_plt_temp_offset(info) 33 /* Add one because it's SHmedia. */
52 /* Return offset of the symbol in PLT entry. */
53 #define elf_sh64_plt_symbol_offset(info) 0
55 /* Return offset of the relocation in PLT entry. */
56 #define elf_sh64_plt_reloc_offset(info) (info->shared ? 52 : 44)
58 #define ELF_DYNAMIC_INTERPRETER "/usr/lib/libc.so.1"
60 /* The sh linker needs to keep track of the number of relocs that it
61 decides to copy in check_relocs for each symbol. This is so that
62 it can discard PC relative relocs if it doesn't need them when
63 linking with -Bsymbolic. We store the information in a field
64 extending the regular ELF linker hash table. */
66 /* This structure keeps track of the number of PC relative relocs we
67 have copied for a given symbol. */
69 struct elf_sh64_pcrel_relocs_copied
72 struct elf_sh64_pcrel_relocs_copied *next;
73 /* A section in dynobj. */
75 /* Number of relocs copied in this section. */
79 /* sh ELF linker hash entry. */
81 struct elf_sh64_link_hash_entry
83 struct elf_link_hash_entry root;
85 bfd_vma datalabel_got_offset;
87 /* Number of PC relative relocs copied for this symbol. */
88 struct elf_sh64_pcrel_relocs_copied *pcrel_relocs_copied;
91 /* sh ELF linker hash table. */
93 struct elf_sh64_link_hash_table
95 struct elf_link_hash_table root;
98 /* Traverse an sh ELF linker hash table. */
100 #define sh64_elf64_link_hash_traverse(table, func, info) \
101 (elf_link_hash_traverse \
103 (bfd_boolean (*) (struct elf_link_hash_entry *, void *)) (func), \
106 /* Get the sh ELF linker hash table from a link_info structure. */
108 #define sh64_elf64_hash_table(p) \
109 ((struct elf_sh64_link_hash_table *) ((p)->hash))
111 static bfd_reloc_status_type sh_elf64_ignore_reloc
112 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
113 static bfd_reloc_status_type sh_elf64_reloc
114 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
116 static reloc_howto_type sh_elf64_howto_table[] = {
118 HOWTO (R_SH_NONE, /* type */
120 0, /* size (0 = byte, 1 = short, 2 = long) */
122 FALSE, /* pc_relative */
124 complain_overflow_dont, /* complain_on_overflow */
125 sh_elf64_ignore_reloc, /* special_function */
126 "R_SH_NONE", /* name */
127 FALSE, /* partial_inplace */
130 FALSE), /* pcrel_offset */
132 /* 32 bit absolute relocation. Setting partial_inplace to TRUE and
133 src_mask to a non-zero value is similar to the COFF toolchain. */
134 HOWTO (R_SH_DIR32, /* type */
136 2, /* size (0 = byte, 1 = short, 2 = long) */
138 FALSE, /* pc_relative */
140 complain_overflow_bitfield, /* complain_on_overflow */
141 sh_elf64_reloc, /* special_function */
142 "R_SH_DIR32", /* name */
143 TRUE, /* partial_inplace */
144 0xffffffff, /* src_mask */
145 0xffffffff, /* dst_mask */
146 FALSE), /* pcrel_offset */
148 /* 32 bit PC relative relocation. */
149 HOWTO (R_SH_REL32, /* type */
151 2, /* size (0 = byte, 1 = short, 2 = long) */
153 TRUE, /* pc_relative */
155 complain_overflow_signed, /* complain_on_overflow */
156 sh_elf64_ignore_reloc, /* special_function */
157 "R_SH_REL32", /* name */
158 FALSE, /* partial_inplace */
160 0xffffffff, /* dst_mask */
161 TRUE), /* pcrel_offset */
163 /* For 32-bit sh, this is R_SH_DIR8WPN. */
166 /* For 32-bit sh, this is R_SH_IND12W. */
169 /* For 32-bit sh, this is R_SH_DIR8WPL. */
172 /* For 32-bit sh, this is R_SH_DIR8WPZ. */
175 /* For 32-bit sh, this is R_SH_DIR8BP. */
178 /* For 32-bit sh, this is R_SH_DIR8W. */
181 /* For 32-bit sh, this is R_SH_DIR8L. */
200 /* The remaining relocs are a GNU extension used for relaxing. The
201 final pass of the linker never needs to do anything with any of
202 these relocs. Any required operations are handled by the
205 /* A 16 bit switch table entry. This is generated for an expression
206 such as ``.word L1 - L2''. The offset holds the difference
207 between the reloc address and L2. */
208 HOWTO (R_SH_SWITCH16, /* type */
210 1, /* size (0 = byte, 1 = short, 2 = long) */
212 FALSE, /* pc_relative */
214 complain_overflow_unsigned, /* complain_on_overflow */
215 sh_elf64_ignore_reloc, /* special_function */
216 "R_SH_SWITCH16", /* name */
217 FALSE, /* partial_inplace */
220 TRUE), /* pcrel_offset */
222 /* A 32 bit switch table entry. This is generated for an expression
223 such as ``.long L1 - L2''. The offset holds the difference
224 between the reloc address and L2. */
225 HOWTO (R_SH_SWITCH32, /* type */
227 2, /* size (0 = byte, 1 = short, 2 = long) */
229 FALSE, /* pc_relative */
231 complain_overflow_unsigned, /* complain_on_overflow */
232 sh_elf64_ignore_reloc, /* special_function */
233 "R_SH_SWITCH32", /* name */
234 FALSE, /* partial_inplace */
237 TRUE), /* pcrel_offset */
239 /* For 32-bit sh, this is R_SH_USES. */
242 /* For 32-bit sh, this is R_SH_COUNT. */
245 /* For 32-bit sh, this is R_SH_ALIGN. FIXME: For linker relaxation,
246 this might be emitted. When linker relaxation is implemented, we
247 might want to use it. */
250 /* For 32-bit sh, this is R_SH_CODE. FIXME: For linker relaxation,
251 this might be emitted. When linker relaxation is implemented, we
252 might want to use it. */
255 /* For 32-bit sh, this is R_SH_DATA. FIXME: For linker relaxation,
256 this might be emitted. When linker relaxation is implemented, we
257 might want to use it. */
260 /* For 32-bit sh, this is R_SH_LABEL. FIXME: For linker relaxation,
261 this might be emitted. When linker relaxation is implemented, we
262 might want to use it. */
265 /* An 8 bit switch table entry. This is generated for an expression
266 such as ``.word L1 - L2''. The offset holds the difference
267 between the reloc address and L2. */
268 HOWTO (R_SH_SWITCH8, /* type */
270 0, /* size (0 = byte, 1 = short, 2 = long) */
272 FALSE, /* pc_relative */
274 complain_overflow_unsigned, /* complain_on_overflow */
275 sh_elf64_ignore_reloc, /* special_function */
276 "R_SH_SWITCH8", /* name */
277 FALSE, /* partial_inplace */
280 TRUE), /* pcrel_offset */
282 /* GNU extension to record C++ vtable hierarchy */
283 HOWTO (R_SH_GNU_VTINHERIT, /* type */
285 2, /* size (0 = byte, 1 = short, 2 = long) */
287 FALSE, /* pc_relative */
289 complain_overflow_dont, /* complain_on_overflow */
290 NULL, /* special_function */
291 "R_SH_GNU_VTINHERIT", /* name */
292 FALSE, /* partial_inplace */
295 FALSE), /* pcrel_offset */
297 /* GNU extension to record C++ vtable member usage */
298 HOWTO (R_SH_GNU_VTENTRY, /* type */
300 2, /* size (0 = byte, 1 = short, 2 = long) */
302 FALSE, /* pc_relative */
304 complain_overflow_dont, /* complain_on_overflow */
305 _bfd_elf_rel_vtable_reloc_fn, /* special_function */
306 "R_SH_GNU_VTENTRY", /* name */
307 FALSE, /* partial_inplace */
310 FALSE), /* pcrel_offset */
312 /* For 32-bit sh, this is R_SH_LOOP_START. */
315 /* For 32-bit sh, this is R_SH_LOOP_END. */
326 /* Used in SHLLI.L and SHLRI.L. */
327 HOWTO (R_SH_DIR5U, /* type */
329 2, /* size (0 = byte, 1 = short, 2 = long) */
331 FALSE, /* pc_relative */
333 complain_overflow_unsigned, /* complain_on_overflow */
334 bfd_elf_generic_reloc, /* special_function */
335 "R_SH_DIR5U", /* name */
336 FALSE, /* partial_inplace */
338 0xfc00, /* dst_mask */
339 FALSE), /* pcrel_offset */
341 /* Used in SHARI, SHLLI et al. */
342 HOWTO (R_SH_DIR6U, /* type */
344 2, /* size (0 = byte, 1 = short, 2 = long) */
346 FALSE, /* pc_relative */
348 complain_overflow_unsigned, /* complain_on_overflow */
349 bfd_elf_generic_reloc, /* special_function */
350 "R_SH_DIR6U", /* name */
351 FALSE, /* partial_inplace */
353 0xfc00, /* dst_mask */
354 FALSE), /* pcrel_offset */
356 /* Used in BxxI, LDHI.L et al. */
357 HOWTO (R_SH_DIR6S, /* type */
359 2, /* size (0 = byte, 1 = short, 2 = long) */
361 FALSE, /* pc_relative */
363 complain_overflow_signed, /* complain_on_overflow */
364 bfd_elf_generic_reloc, /* special_function */
365 "R_SH_DIR6S", /* name */
366 FALSE, /* partial_inplace */
368 0xfc00, /* dst_mask */
369 FALSE), /* pcrel_offset */
371 /* Used in ADDI, ANDI et al. */
372 HOWTO (R_SH_DIR10S, /* type */
374 2, /* size (0 = byte, 1 = short, 2 = long) */
376 FALSE, /* pc_relative */
378 complain_overflow_signed, /* complain_on_overflow */
379 bfd_elf_generic_reloc, /* special_function */
380 "R_SH_DIR10S", /* name */
381 FALSE, /* partial_inplace */
383 0xffc00, /* dst_mask */
384 FALSE), /* pcrel_offset */
386 /* Used in LD.UW, ST.W et al. */
387 HOWTO (R_SH_DIR10SW, /* type */
389 2, /* size (0 = byte, 1 = short, 2 = long) */
391 FALSE, /* pc_relative */
393 complain_overflow_signed, /* complain_on_overflow */
394 bfd_elf_generic_reloc, /* special_function */
395 "R_SH_DIR10SW", /* name */
396 FALSE, /* partial_inplace */
398 0xffc00, /* dst_mask */
399 FALSE), /* pcrel_offset */
401 /* Used in LD.L, FLD.S et al. */
402 HOWTO (R_SH_DIR10SL, /* type */
404 2, /* size (0 = byte, 1 = short, 2 = long) */
406 FALSE, /* pc_relative */
408 complain_overflow_signed, /* complain_on_overflow */
409 bfd_elf_generic_reloc, /* special_function */
410 "R_SH_DIR10SL", /* name */
411 FALSE, /* partial_inplace */
413 0xffc00, /* dst_mask */
414 FALSE), /* pcrel_offset */
416 /* Used in FLD.D, FST.P et al. */
417 HOWTO (R_SH_DIR10SQ, /* type */
419 2, /* size (0 = byte, 1 = short, 2 = long) */
421 FALSE, /* pc_relative */
423 complain_overflow_signed, /* complain_on_overflow */
424 bfd_elf_generic_reloc, /* special_function */
425 "R_SH_DIR10SQ", /* name */
426 FALSE, /* partial_inplace */
428 0xffc00, /* dst_mask */
429 FALSE), /* pcrel_offset */
540 /* Relocs for dynamic linking for 32-bit SH would follow. We don't have
541 any dynamic linking support for 64-bit SH at present. */
553 /* Back to SH5 relocations. */
554 /* Used in MOVI and SHORI (x & 65536). */
555 HOWTO (R_SH_GOT_LOW16, /* type */
557 2, /* size (0 = byte, 1 = short, 2 = long) */
559 FALSE, /* pc_relative */
561 complain_overflow_dont, /* complain_on_overflow */
562 bfd_elf_generic_reloc, /* special_function */
563 "R_SH_GOT_LOW16", /* name */
564 FALSE, /* partial_inplace */
566 0x3fffc00, /* dst_mask */
567 FALSE), /* pcrel_offset */
569 /* Used in MOVI and SHORI ((x >> 16) & 65536). */
570 HOWTO (R_SH_GOT_MEDLOW16, /* type */
572 2, /* size (0 = byte, 1 = short, 2 = long) */
574 FALSE, /* pc_relative */
576 complain_overflow_dont, /* complain_on_overflow */
577 bfd_elf_generic_reloc, /* special_function */
578 "R_SH_GOT_MEDLOW16", /* name */
579 FALSE, /* partial_inplace */
581 0x3fffc00, /* dst_mask */
582 FALSE), /* pcrel_offset */
584 /* Used in MOVI and SHORI ((x >> 32) & 65536). */
585 HOWTO (R_SH_GOT_MEDHI16, /* type */
587 2, /* size (0 = byte, 1 = short, 2 = long) */
589 FALSE, /* pc_relative */
591 complain_overflow_dont, /* complain_on_overflow */
592 bfd_elf_generic_reloc, /* special_function */
593 "R_SH_GOT_MEDHI16", /* name */
594 FALSE, /* partial_inplace */
596 0x3fffc00, /* dst_mask */
597 FALSE), /* pcrel_offset */
599 /* Used in MOVI and SHORI ((x >> 48) & 65536). */
600 HOWTO (R_SH_GOT_HI16, /* type */
602 2, /* size (0 = byte, 1 = short, 2 = long) */
604 FALSE, /* pc_relative */
606 complain_overflow_dont, /* complain_on_overflow */
607 bfd_elf_generic_reloc, /* special_function */
608 "R_SH_GOT_HI16", /* name */
609 FALSE, /* partial_inplace */
611 0x3fffc00, /* dst_mask */
612 FALSE), /* pcrel_offset */
614 /* Used in MOVI and SHORI (x & 65536). */
615 HOWTO (R_SH_GOTPLT_LOW16, /* type */
617 2, /* size (0 = byte, 1 = short, 2 = long) */
619 FALSE, /* pc_relative */
621 complain_overflow_dont, /* complain_on_overflow */
622 bfd_elf_generic_reloc, /* special_function */
623 "R_SH_GOTPLT_LOW16", /* name */
624 FALSE, /* partial_inplace */
626 0x3fffc00, /* dst_mask */
627 FALSE), /* pcrel_offset */
629 /* Used in MOVI and SHORI ((x >> 16) & 65536). */
630 HOWTO (R_SH_GOTPLT_MEDLOW16, /* type */
632 2, /* size (0 = byte, 1 = short, 2 = long) */
634 FALSE, /* pc_relative */
636 complain_overflow_dont, /* complain_on_overflow */
637 bfd_elf_generic_reloc, /* special_function */
638 "R_SH_GOTPLT_MEDLOW16", /* name */
639 FALSE, /* partial_inplace */
641 0x3fffc00, /* dst_mask */
642 FALSE), /* pcrel_offset */
644 /* Used in MOVI and SHORI ((x >> 32) & 65536). */
645 HOWTO (R_SH_GOTPLT_MEDHI16, /* type */
647 2, /* size (0 = byte, 1 = short, 2 = long) */
649 FALSE, /* pc_relative */
651 complain_overflow_dont, /* complain_on_overflow */
652 bfd_elf_generic_reloc, /* special_function */
653 "R_SH_GOTPLT_MEDHI16", /* name */
654 FALSE, /* partial_inplace */
656 0x3fffc00, /* dst_mask */
657 FALSE), /* pcrel_offset */
659 /* Used in MOVI and SHORI ((x >> 48) & 65536). */
660 HOWTO (R_SH_GOTPLT_HI16, /* type */
662 2, /* size (0 = byte, 1 = short, 2 = long) */
664 FALSE, /* pc_relative */
666 complain_overflow_dont, /* complain_on_overflow */
667 bfd_elf_generic_reloc, /* special_function */
668 "R_SH_GOTPLT_HI16", /* name */
669 FALSE, /* partial_inplace */
671 0x3fffc00, /* dst_mask */
672 FALSE), /* pcrel_offset */
674 /* Used in MOVI and SHORI (x & 65536). */
675 HOWTO (R_SH_PLT_LOW16, /* type */
677 2, /* size (0 = byte, 1 = short, 2 = long) */
679 TRUE, /* pc_relative */
681 complain_overflow_dont, /* complain_on_overflow */
682 bfd_elf_generic_reloc, /* special_function */
683 "R_SH_PLT_LOW16", /* name */
684 FALSE, /* partial_inplace */
686 0x3fffc00, /* dst_mask */
687 TRUE), /* pcrel_offset */
689 /* Used in MOVI and SHORI ((x >> 16) & 65536). */
690 HOWTO (R_SH_PLT_MEDLOW16, /* type */
692 2, /* size (0 = byte, 1 = short, 2 = long) */
694 TRUE, /* pc_relative */
696 complain_overflow_dont, /* complain_on_overflow */
697 bfd_elf_generic_reloc, /* special_function */
698 "R_SH_PLT_MEDLOW16", /* name */
699 FALSE, /* partial_inplace */
701 0x3fffc00, /* dst_mask */
702 TRUE), /* pcrel_offset */
704 /* Used in MOVI and SHORI ((x >> 32) & 65536). */
705 HOWTO (R_SH_PLT_MEDHI16, /* type */
707 2, /* size (0 = byte, 1 = short, 2 = long) */
709 TRUE, /* pc_relative */
711 complain_overflow_dont, /* complain_on_overflow */
712 bfd_elf_generic_reloc, /* special_function */
713 "R_SH_PLT_MEDHI16", /* name */
714 FALSE, /* partial_inplace */
716 0x3fffc00, /* dst_mask */
717 TRUE), /* pcrel_offset */
719 /* Used in MOVI and SHORI ((x >> 48) & 65536). */
720 HOWTO (R_SH_PLT_HI16, /* type */
722 2, /* size (0 = byte, 1 = short, 2 = long) */
724 TRUE, /* pc_relative */
726 complain_overflow_dont, /* complain_on_overflow */
727 bfd_elf_generic_reloc, /* special_function */
728 "R_SH_PLT_HI16", /* name */
729 FALSE, /* partial_inplace */
731 0x3fffc00, /* dst_mask */
732 TRUE), /* pcrel_offset */
734 /* Used in MOVI and SHORI (x & 65536). */
735 HOWTO (R_SH_GOTOFF_LOW16, /* type */
737 2, /* size (0 = byte, 1 = short, 2 = long) */
739 FALSE, /* pc_relative */
741 complain_overflow_dont, /* complain_on_overflow */
742 bfd_elf_generic_reloc, /* special_function */
743 "R_SH_GOTOFF_LOW16", /* name */
744 FALSE, /* partial_inplace */
746 0x3fffc00, /* dst_mask */
747 FALSE), /* pcrel_offset */
749 /* Used in MOVI and SHORI ((x >> 16) & 65536). */
750 HOWTO (R_SH_GOTOFF_MEDLOW16, /* type */
752 2, /* size (0 = byte, 1 = short, 2 = long) */
754 FALSE, /* pc_relative */
756 complain_overflow_dont, /* complain_on_overflow */
757 bfd_elf_generic_reloc, /* special_function */
758 "R_SH_GOTOFF_MEDLOW16", /* name */
759 FALSE, /* partial_inplace */
761 0x3fffc00, /* dst_mask */
762 FALSE), /* pcrel_offset */
764 /* Used in MOVI and SHORI ((x >> 32) & 65536). */
765 HOWTO (R_SH_GOTOFF_MEDHI16, /* type */
767 2, /* size (0 = byte, 1 = short, 2 = long) */
769 FALSE, /* pc_relative */
771 complain_overflow_dont, /* complain_on_overflow */
772 bfd_elf_generic_reloc, /* special_function */
773 "R_SH_GOTOFF_MEDHI16", /* name */
774 FALSE, /* partial_inplace */
776 0x3fffc00, /* dst_mask */
777 FALSE), /* pcrel_offset */
779 /* Used in MOVI and SHORI ((x >> 48) & 65536). */
780 HOWTO (R_SH_GOTOFF_HI16, /* type */
782 2, /* size (0 = byte, 1 = short, 2 = long) */
784 FALSE, /* pc_relative */
786 complain_overflow_dont, /* complain_on_overflow */
787 bfd_elf_generic_reloc, /* special_function */
788 "R_SH_GOTOFF_HI16", /* name */
789 FALSE, /* partial_inplace */
791 0x3fffc00, /* dst_mask */
792 FALSE), /* pcrel_offset */
794 /* Used in MOVI and SHORI (x & 65536). */
795 HOWTO (R_SH_GOTPC_LOW16, /* type */
797 2, /* size (0 = byte, 1 = short, 2 = long) */
799 TRUE, /* pc_relative */
801 complain_overflow_dont, /* complain_on_overflow */
802 bfd_elf_generic_reloc, /* special_function */
803 "R_SH_GOTPC_LOW16", /* name */
804 FALSE, /* partial_inplace */
806 0x3fffc00, /* dst_mask */
807 TRUE), /* pcrel_offset */
809 /* Used in MOVI and SHORI ((x >> 16) & 65536). */
810 HOWTO (R_SH_GOTPC_MEDLOW16, /* type */
812 2, /* size (0 = byte, 1 = short, 2 = long) */
814 TRUE, /* pc_relative */
816 complain_overflow_dont, /* complain_on_overflow */
817 bfd_elf_generic_reloc, /* special_function */
818 "R_SH_GOTPC_MEDLOW16", /* name */
819 FALSE, /* partial_inplace */
821 0x3fffc00, /* dst_mask */
822 TRUE), /* pcrel_offset */
824 /* Used in MOVI and SHORI ((x >> 32) & 65536). */
825 HOWTO (R_SH_GOTPC_MEDHI16, /* type */
827 2, /* size (0 = byte, 1 = short, 2 = long) */
829 TRUE, /* pc_relative */
831 complain_overflow_dont, /* complain_on_overflow */
832 bfd_elf_generic_reloc, /* special_function */
833 "R_SH_GOTPC_MEDHI16", /* name */
834 FALSE, /* partial_inplace */
836 0x3fffc00, /* dst_mask */
837 TRUE), /* pcrel_offset */
839 /* Used in MOVI and SHORI ((x >> 48) & 65536). */
840 HOWTO (R_SH_GOTPC_HI16, /* type */
842 2, /* size (0 = byte, 1 = short, 2 = long) */
844 TRUE, /* pc_relative */
846 complain_overflow_dont, /* complain_on_overflow */
847 bfd_elf_generic_reloc, /* special_function */
848 "R_SH_GOTPC_HI16", /* name */
849 FALSE, /* partial_inplace */
851 0x3fffc00, /* dst_mask */
852 TRUE), /* pcrel_offset */
854 /* Used in LD.L, FLD.S et al. */
855 HOWTO (R_SH_GOT10BY4, /* type */
857 2, /* size (0 = byte, 1 = short, 2 = long) */
859 FALSE, /* pc_relative */
861 complain_overflow_signed, /* complain_on_overflow */
862 bfd_elf_generic_reloc, /* special_function */
863 "R_SH_GOT10BY4", /* name */
864 FALSE, /* partial_inplace */
866 0xffc00, /* dst_mask */
867 FALSE), /* pcrel_offset */
869 /* Used in LD.L, FLD.S et al. */
870 HOWTO (R_SH_GOTPLT10BY4, /* type */
872 2, /* size (0 = byte, 1 = short, 2 = long) */
874 FALSE, /* pc_relative */
876 complain_overflow_signed, /* complain_on_overflow */
877 bfd_elf_generic_reloc, /* special_function */
878 "R_SH_GOTPLT10BY4", /* name */
879 FALSE, /* partial_inplace */
881 0xffc00, /* dst_mask */
882 FALSE), /* pcrel_offset */
884 /* Used in FLD.D, FST.P et al. */
885 HOWTO (R_SH_GOT10BY8, /* type */
887 2, /* size (0 = byte, 1 = short, 2 = long) */
889 FALSE, /* pc_relative */
891 complain_overflow_signed, /* complain_on_overflow */
892 bfd_elf_generic_reloc, /* special_function */
893 "R_SH_GOT10BY8", /* name */
894 FALSE, /* partial_inplace */
896 0xffc00, /* dst_mask */
897 FALSE), /* pcrel_offset */
899 /* Used in FLD.D, FST.P et al. */
900 HOWTO (R_SH_GOTPLT10BY8, /* type */
902 2, /* size (0 = byte, 1 = short, 2 = long) */
904 FALSE, /* pc_relative */
906 complain_overflow_signed, /* complain_on_overflow */
907 bfd_elf_generic_reloc, /* special_function */
908 "R_SH_GOTPLT10BY8", /* name */
909 FALSE, /* partial_inplace */
911 0xffc00, /* dst_mask */
912 FALSE), /* pcrel_offset */
914 HOWTO (R_SH_COPY64, /* type */
916 4, /* size (0 = byte, 1 = short, 2 = long) */
918 FALSE, /* pc_relative */
920 complain_overflow_dont, /* complain_on_overflow */
921 bfd_elf_generic_reloc, /* special_function */
922 "R_SH_COPY64", /* name */
923 FALSE, /* partial_inplace */
925 ((bfd_vma) 0) - 1, /* dst_mask */
926 FALSE), /* pcrel_offset */
928 HOWTO (R_SH_GLOB_DAT64, /* type */
930 4, /* size (0 = byte, 1 = short, 2 = long) */
932 FALSE, /* pc_relative */
934 complain_overflow_dont, /* complain_on_overflow */
935 bfd_elf_generic_reloc, /* special_function */
936 "R_SH_GLOB_DAT64", /* name */
937 FALSE, /* partial_inplace */
939 ((bfd_vma) 0) - 1, /* dst_mask */
940 FALSE), /* pcrel_offset */
942 HOWTO (R_SH_JMP_SLOT64, /* type */
944 4, /* size (0 = byte, 1 = short, 2 = long) */
946 FALSE, /* pc_relative */
948 complain_overflow_dont, /* complain_on_overflow */
949 bfd_elf_generic_reloc, /* special_function */
950 "R_SH_JMP_SLOT64", /* name */
951 FALSE, /* partial_inplace */
953 ((bfd_vma) 0) - 1, /* dst_mask */
954 FALSE), /* pcrel_offset */
956 HOWTO (R_SH_RELATIVE64, /* type */
958 4, /* size (0 = byte, 1 = short, 2 = long) */
960 FALSE, /* pc_relative */
962 complain_overflow_dont, /* complain_on_overflow */
963 bfd_elf_generic_reloc, /* special_function */
964 "R_SH_RELATIVE64", /* name */
965 FALSE, /* partial_inplace */
967 ((bfd_vma) 0) - 1, /* dst_mask */
968 FALSE), /* pcrel_offset */
1016 /* Relocations for SHmedia code. None of these are partial_inplace or
1017 use the field being relocated. */
1019 /* The assembler will generate this reloc before a block of SHmedia
1020 instructions. A section should be processed as assuming it contains
1021 data, unless this reloc is seen. Note that a block of SHcompact
1022 instructions are instead preceded by R_SH_CODE.
1023 This is currently not implemented, but should be used for SHmedia
1024 linker relaxation. */
1025 HOWTO (R_SH_SHMEDIA_CODE, /* type */
1027 1, /* size (0 = byte, 1 = short, 2 = long) */
1029 FALSE, /* pc_relative */
1031 complain_overflow_unsigned, /* complain_on_overflow */
1032 sh_elf64_ignore_reloc, /* special_function */
1033 "R_SH_SHMEDIA_CODE", /* name */
1034 FALSE, /* partial_inplace */
1037 FALSE), /* pcrel_offset */
1039 /* The assembler will generate this reloc at a PTA or PTB instruction,
1040 and the linker checks the right type of target, or changes a PTA to a
1041 PTB, if the original insn was PT. */
1042 HOWTO (R_SH_PT_16, /* type */
1044 2, /* size (0 = byte, 1 = short, 2 = long) */
1046 TRUE, /* pc_relative */
1048 complain_overflow_signed, /* complain_on_overflow */
1049 bfd_elf_generic_reloc, /* special_function */
1050 "R_SH_PT_16", /* name */
1051 FALSE, /* partial_inplace */
1053 0x3fffc00, /* dst_mask */
1054 TRUE), /* pcrel_offset */
1056 /* Used in unexpanded MOVI. */
1057 HOWTO (R_SH_IMMS16, /* type */
1059 2, /* size (0 = byte, 1 = short, 2 = long) */
1061 FALSE, /* pc_relative */
1063 complain_overflow_signed, /* complain_on_overflow */
1064 bfd_elf_generic_reloc, /* special_function */
1065 "R_SH_IMMS16", /* name */
1066 FALSE, /* partial_inplace */
1068 0x3fffc00, /* dst_mask */
1069 FALSE), /* pcrel_offset */
1071 /* Used in SHORI. */
1072 HOWTO (R_SH_IMMU16, /* type */
1074 2, /* size (0 = byte, 1 = short, 2 = long) */
1076 FALSE, /* pc_relative */
1078 complain_overflow_unsigned, /* complain_on_overflow */
1079 bfd_elf_generic_reloc, /* special_function */
1080 "R_SH_IMMU16", /* name */
1081 FALSE, /* partial_inplace */
1083 0x3fffc00, /* dst_mask */
1084 FALSE), /* pcrel_offset */
1086 /* Used in MOVI and SHORI (x & 65536). */
1087 HOWTO (R_SH_IMM_LOW16, /* type */
1089 2, /* size (0 = byte, 1 = short, 2 = long) */
1091 FALSE, /* pc_relative */
1093 complain_overflow_dont, /* complain_on_overflow */
1094 bfd_elf_generic_reloc, /* special_function */
1095 "R_SH_IMM_LOW16", /* name */
1096 FALSE, /* partial_inplace */
1098 0x3fffc00, /* dst_mask */
1099 FALSE), /* pcrel_offset */
1101 /* Used in MOVI and SHORI ((x - $) & 65536). */
1102 HOWTO (R_SH_IMM_LOW16_PCREL, /* type */
1104 2, /* size (0 = byte, 1 = short, 2 = long) */
1106 TRUE, /* pc_relative */
1108 complain_overflow_dont, /* complain_on_overflow */
1109 bfd_elf_generic_reloc, /* special_function */
1110 "R_SH_IMM_LOW16_PCREL", /* name */
1111 FALSE, /* partial_inplace */
1113 0x3fffc00, /* dst_mask */
1114 TRUE), /* pcrel_offset */
1116 /* Used in MOVI and SHORI ((x >> 16) & 65536). */
1117 HOWTO (R_SH_IMM_MEDLOW16, /* type */
1118 16, /* rightshift */
1119 2, /* size (0 = byte, 1 = short, 2 = long) */
1121 FALSE, /* pc_relative */
1123 complain_overflow_dont, /* complain_on_overflow */
1124 bfd_elf_generic_reloc, /* special_function */
1125 "R_SH_IMM_MEDLOW16", /* name */
1126 FALSE, /* partial_inplace */
1128 0x3fffc00, /* dst_mask */
1129 FALSE), /* pcrel_offset */
1131 /* Used in MOVI and SHORI (((x - $) >> 16) & 65536). */
1132 HOWTO (R_SH_IMM_MEDLOW16_PCREL, /* type */
1133 16, /* rightshift */
1134 2, /* size (0 = byte, 1 = short, 2 = long) */
1136 TRUE, /* pc_relative */
1138 complain_overflow_dont, /* complain_on_overflow */
1139 bfd_elf_generic_reloc, /* special_function */
1140 "R_SH_IMM_MEDLOW16_PCREL", /* name */
1141 FALSE, /* partial_inplace */
1143 0x3fffc00, /* dst_mask */
1144 TRUE), /* pcrel_offset */
1146 /* Used in MOVI and SHORI ((x >> 32) & 65536). */
1147 HOWTO (R_SH_IMM_MEDHI16, /* type */
1148 32, /* rightshift */
1149 2, /* size (0 = byte, 1 = short, 2 = long) */
1151 FALSE, /* pc_relative */
1153 complain_overflow_dont, /* complain_on_overflow */
1154 bfd_elf_generic_reloc, /* special_function */
1155 "R_SH_IMM_MEDHI16", /* name */
1156 FALSE, /* partial_inplace */
1158 0x3fffc00, /* dst_mask */
1159 FALSE), /* pcrel_offset */
1161 /* Used in MOVI and SHORI (((x - $) >> 32) & 65536). */
1162 HOWTO (R_SH_IMM_MEDHI16_PCREL, /* type */
1163 32, /* rightshift */
1164 2, /* size (0 = byte, 1 = short, 2 = long) */
1166 TRUE, /* pc_relative */
1168 complain_overflow_dont, /* complain_on_overflow */
1169 bfd_elf_generic_reloc, /* special_function */
1170 "R_SH_IMM_MEDHI16_PCREL", /* name */
1171 FALSE, /* partial_inplace */
1173 0x3fffc00, /* dst_mask */
1174 TRUE), /* pcrel_offset */
1176 /* Used in MOVI and SHORI ((x >> 48) & 65536). */
1177 HOWTO (R_SH_IMM_HI16, /* type */
1178 48, /* rightshift */
1179 2, /* size (0 = byte, 1 = short, 2 = long) */
1181 FALSE, /* pc_relative */
1183 complain_overflow_dont, /* complain_on_overflow */
1184 bfd_elf_generic_reloc, /* special_function */
1185 "R_SH_IMM_HI16", /* name */
1186 FALSE, /* partial_inplace */
1188 0x3fffc00, /* dst_mask */
1189 FALSE), /* pcrel_offset */
1191 /* Used in MOVI and SHORI (((x - $) >> 48) & 65536). */
1192 HOWTO (R_SH_IMM_HI16_PCREL, /* type */
1193 48, /* rightshift */
1194 2, /* size (0 = byte, 1 = short, 2 = long) */
1196 TRUE, /* pc_relative */
1198 complain_overflow_dont, /* complain_on_overflow */
1199 bfd_elf_generic_reloc, /* special_function */
1200 "R_SH_IMM_HI16_PCREL", /* name */
1201 FALSE, /* partial_inplace */
1203 0x3fffc00, /* dst_mask */
1204 TRUE), /* pcrel_offset */
1206 /* For the .uaquad pseudo. */
1207 HOWTO (R_SH_64, /* type */
1209 4, /* size (0 = byte, 1 = short, 2 = long) */
1211 FALSE, /* pc_relative */
1213 complain_overflow_dont, /* complain_on_overflow */
1214 bfd_elf_generic_reloc, /* special_function */
1215 "R_SH_64", /* name */
1216 FALSE, /* partial_inplace */
1218 ((bfd_vma) 0) - 1, /* dst_mask */
1219 FALSE), /* pcrel_offset */
1221 /* For the .uaquad pseudo, (x - $). */
1222 HOWTO (R_SH_64_PCREL, /* type */
1223 48, /* rightshift */
1224 2, /* size (0 = byte, 1 = short, 2 = long) */
1226 TRUE, /* pc_relative */
1228 complain_overflow_dont, /* complain_on_overflow */
1229 bfd_elf_generic_reloc, /* special_function */
1230 "R_SH_64_PCREL", /* name */
1231 FALSE, /* partial_inplace */
1233 ((bfd_vma) 0) - 1, /* dst_mask */
1234 TRUE), /* pcrel_offset */
1238 /* This function is used for relocs which are only used for relaxing,
1239 which the linker should otherwise ignore. */
1241 static bfd_reloc_status_type
1242 sh_elf64_ignore_reloc (bfd *abfd ATTRIBUTE_UNUSED, arelent *reloc_entry,
1243 asymbol *symbol ATTRIBUTE_UNUSED,
1244 void *data ATTRIBUTE_UNUSED, asection *input_section,
1246 char **error_message ATTRIBUTE_UNUSED)
1248 if (output_bfd != NULL)
1249 reloc_entry->address += input_section->output_offset;
1250 return bfd_reloc_ok;
1253 /* This function is used for normal relocs. This used to be like the COFF
1254 function, and is almost certainly incorrect for other ELF targets.
1256 See sh_elf_reloc in elf32-sh.c for the original. */
1258 static bfd_reloc_status_type
1259 sh_elf64_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol_in,
1260 void *data, asection *input_section, bfd *output_bfd,
1261 char **error_message ATTRIBUTE_UNUSED)
1265 enum elf_sh_reloc_type r_type;
1266 bfd_vma addr = reloc_entry->address;
1267 bfd_byte *hit_data = addr + (bfd_byte *) data;
1269 r_type = (enum elf_sh_reloc_type) reloc_entry->howto->type;
1271 if (output_bfd != NULL)
1273 /* Partial linking--do nothing. */
1274 reloc_entry->address += input_section->output_offset;
1275 return bfd_reloc_ok;
1278 if (symbol_in != NULL
1279 && bfd_is_und_section (symbol_in->section))
1280 return bfd_reloc_undefined;
1282 if (bfd_is_com_section (symbol_in->section))
1285 sym_value = (symbol_in->value +
1286 symbol_in->section->output_section->vma +
1287 symbol_in->section->output_offset);
1292 insn = bfd_get_32 (abfd, hit_data);
1293 insn += sym_value + reloc_entry->addend;
1294 bfd_put_32 (abfd, insn, hit_data);
1302 return bfd_reloc_ok;
1305 /* This structure is used to map BFD reloc codes to SH ELF relocs. */
1307 struct elf_reloc_map
1309 bfd_reloc_code_real_type bfd_reloc_val;
1310 unsigned char elf_reloc_val;
1313 /* An array mapping BFD reloc codes to SH ELF relocs. */
1315 static const struct elf_reloc_map sh64_reloc_map[] =
1317 { BFD_RELOC_NONE, R_SH_NONE },
1318 { BFD_RELOC_32, R_SH_DIR32 },
1319 { BFD_RELOC_CTOR, R_SH_DIR32 },
1320 { BFD_RELOC_32_PCREL, R_SH_REL32 },
1321 { BFD_RELOC_8_PCREL, R_SH_SWITCH8 },
1322 { BFD_RELOC_SH_SWITCH16, R_SH_SWITCH16 },
1323 { BFD_RELOC_SH_SWITCH32, R_SH_SWITCH32 },
1324 { BFD_RELOC_VTABLE_INHERIT, R_SH_GNU_VTINHERIT },
1325 { BFD_RELOC_VTABLE_ENTRY, R_SH_GNU_VTENTRY },
1326 { BFD_RELOC_SH_GOT_LOW16, R_SH_GOT_LOW16 },
1327 { BFD_RELOC_SH_GOT_MEDLOW16, R_SH_GOT_MEDLOW16 },
1328 { BFD_RELOC_SH_GOT_MEDHI16, R_SH_GOT_MEDHI16 },
1329 { BFD_RELOC_SH_GOT_HI16, R_SH_GOT_HI16 },
1330 { BFD_RELOC_SH_GOTPLT_LOW16, R_SH_GOTPLT_LOW16 },
1331 { BFD_RELOC_SH_GOTPLT_MEDLOW16, R_SH_GOTPLT_MEDLOW16 },
1332 { BFD_RELOC_SH_GOTPLT_MEDHI16, R_SH_GOTPLT_MEDHI16 },
1333 { BFD_RELOC_SH_GOTPLT_HI16, R_SH_GOTPLT_HI16 },
1334 { BFD_RELOC_SH_PLT_LOW16, R_SH_PLT_LOW16 },
1335 { BFD_RELOC_SH_PLT_MEDLOW16, R_SH_PLT_MEDLOW16 },
1336 { BFD_RELOC_SH_PLT_MEDHI16, R_SH_PLT_MEDHI16 },
1337 { BFD_RELOC_SH_PLT_HI16, R_SH_PLT_HI16 },
1338 { BFD_RELOC_SH_GOTOFF_LOW16, R_SH_GOTOFF_LOW16 },
1339 { BFD_RELOC_SH_GOTOFF_MEDLOW16, R_SH_GOTOFF_MEDLOW16 },
1340 { BFD_RELOC_SH_GOTOFF_MEDHI16, R_SH_GOTOFF_MEDHI16 },
1341 { BFD_RELOC_SH_GOTOFF_HI16, R_SH_GOTOFF_HI16 },
1342 { BFD_RELOC_SH_GOTPC_LOW16, R_SH_GOTPC_LOW16 },
1343 { BFD_RELOC_SH_GOTPC_MEDLOW16, R_SH_GOTPC_MEDLOW16 },
1344 { BFD_RELOC_SH_GOTPC_MEDHI16, R_SH_GOTPC_MEDHI16 },
1345 { BFD_RELOC_SH_GOTPC_HI16, R_SH_GOTPC_HI16 },
1346 { BFD_RELOC_SH_COPY64, R_SH_COPY64 },
1347 { BFD_RELOC_SH_GLOB_DAT64, R_SH_GLOB_DAT64 },
1348 { BFD_RELOC_SH_JMP_SLOT64, R_SH_JMP_SLOT64 },
1349 { BFD_RELOC_SH_RELATIVE64, R_SH_RELATIVE64 },
1350 { BFD_RELOC_SH_GOT10BY4, R_SH_GOT10BY4 },
1351 { BFD_RELOC_SH_GOT10BY8, R_SH_GOT10BY8 },
1352 { BFD_RELOC_SH_GOTPLT10BY4, R_SH_GOTPLT10BY4 },
1353 { BFD_RELOC_SH_GOTPLT10BY8, R_SH_GOTPLT10BY8 },
1354 { BFD_RELOC_SH_PT_16, R_SH_PT_16 },
1355 { BFD_RELOC_SH_SHMEDIA_CODE, R_SH_SHMEDIA_CODE },
1356 { BFD_RELOC_SH_IMMU5, R_SH_DIR5U },
1357 { BFD_RELOC_SH_IMMS6, R_SH_DIR6S },
1358 { BFD_RELOC_SH_IMMU6, R_SH_DIR6U },
1359 { BFD_RELOC_SH_IMMS10, R_SH_DIR10S },
1360 { BFD_RELOC_SH_IMMS10BY2, R_SH_DIR10SW },
1361 { BFD_RELOC_SH_IMMS10BY4, R_SH_DIR10SL },
1362 { BFD_RELOC_SH_IMMS10BY8, R_SH_DIR10SQ },
1363 { BFD_RELOC_SH_IMMS16, R_SH_IMMS16 },
1364 { BFD_RELOC_SH_IMMU16, R_SH_IMMU16 },
1365 { BFD_RELOC_SH_IMM_LOW16, R_SH_IMM_LOW16 },
1366 { BFD_RELOC_SH_IMM_LOW16_PCREL, R_SH_IMM_LOW16_PCREL },
1367 { BFD_RELOC_SH_IMM_MEDLOW16, R_SH_IMM_MEDLOW16 },
1368 { BFD_RELOC_SH_IMM_MEDLOW16_PCREL, R_SH_IMM_MEDLOW16_PCREL },
1369 { BFD_RELOC_SH_IMM_MEDHI16, R_SH_IMM_MEDHI16 },
1370 { BFD_RELOC_SH_IMM_MEDHI16_PCREL, R_SH_IMM_MEDHI16_PCREL },
1371 { BFD_RELOC_SH_IMM_HI16, R_SH_IMM_HI16 },
1372 { BFD_RELOC_SH_IMM_HI16_PCREL, R_SH_IMM_HI16_PCREL },
1373 { BFD_RELOC_64, R_SH_64 },
1374 { BFD_RELOC_64_PCREL, R_SH_64_PCREL },
1377 /* Given a BFD reloc code, return the howto structure for the
1378 corresponding SH ELf reloc. */
1380 static reloc_howto_type *
1381 sh_elf64_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
1382 bfd_reloc_code_real_type code)
1386 for (i = 0; i < sizeof (sh64_reloc_map) / sizeof (struct elf_reloc_map); i++)
1388 if (sh64_reloc_map[i].bfd_reloc_val == code)
1389 return &sh_elf64_howto_table[(int) sh64_reloc_map[i].elf_reloc_val];
1395 static reloc_howto_type *
1396 sh_elf64_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
1402 i < sizeof (sh_elf64_howto_table) / sizeof (sh_elf64_howto_table[0]);
1404 if (sh_elf64_howto_table[i].name != NULL
1405 && strcasecmp (sh_elf64_howto_table[i].name, r_name) == 0)
1406 return &sh_elf64_howto_table[i];
1411 /* Given an ELF reloc, fill in the howto field of a relent.
1413 See sh_elf_info_to_howto in elf32-sh.c for the original. */
1416 sh_elf64_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *cache_ptr,
1417 Elf_Internal_Rela *dst)
1421 r = ELF64_R_TYPE (dst->r_info);
1423 BFD_ASSERT (r <= (unsigned int) R_SH_64_PCREL);
1424 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC || r > R_SH_LAST_INVALID_RELOC);
1425 BFD_ASSERT (r < R_SH_DIR8WPN || r > R_SH_LAST_INVALID_RELOC_2);
1426 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_3 || r > R_SH_GOTPLT32);
1427 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_4 || r > R_SH_LAST_INVALID_RELOC_4);
1429 cache_ptr->howto = &sh_elf64_howto_table[r];
1432 /* Relocate an SH ELF section.
1434 See sh_elf_info_to_howto in elf32-sh.c for the original. */
1437 sh_elf64_relocate_section (bfd *output_bfd ATTRIBUTE_UNUSED,
1438 struct bfd_link_info *info, bfd *input_bfd,
1439 asection *input_section, bfd_byte *contents,
1440 Elf_Internal_Rela *relocs,
1441 Elf_Internal_Sym *local_syms,
1442 asection **local_sections)
1444 Elf_Internal_Shdr *symtab_hdr;
1445 struct elf_link_hash_entry **sym_hashes;
1446 Elf_Internal_Rela *rel, *relend;
1448 bfd_vma *local_got_offsets;
1453 bfd_vma disp, dropped;
1455 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
1456 sym_hashes = elf_sym_hashes (input_bfd);
1457 dynobj = elf_hash_table (info)->dynobj;
1458 local_got_offsets = elf_local_got_offsets (input_bfd);
1466 relend = relocs + input_section->reloc_count;
1467 for (; rel < relend; rel++)
1470 reloc_howto_type *howto;
1471 unsigned long r_symndx;
1472 Elf_Internal_Sym *sym;
1474 struct elf_link_hash_entry *h;
1476 bfd_vma addend = (bfd_vma)0;
1477 bfd_reloc_status_type r;
1478 int seen_stt_datalabel = 0;
1480 r_symndx = ELF64_R_SYM (rel->r_info);
1482 r_type = ELF64_R_TYPE (rel->r_info);
1484 if (r_type == (int) R_SH_NONE)
1488 || r_type > R_SH_64_PCREL
1489 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC
1490 && r_type <= (int) R_SH_LAST_INVALID_RELOC)
1491 || (r_type >= (int) R_SH_DIR8WPN
1492 && r_type <= (int) R_SH_LAST_INVALID_RELOC)
1493 || (r_type >= (int) R_SH_GNU_VTINHERIT
1494 && r_type <= (int) R_SH_PSHL)
1495 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC_2
1496 && r_type <= R_SH_GOTPLT32)
1497 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC_4
1498 && r_type <= (int) R_SH_LAST_INVALID_RELOC_4))
1500 bfd_set_error (bfd_error_bad_value);
1504 howto = sh_elf64_howto_table + r_type;
1510 if (r_symndx < symtab_hdr->sh_info)
1512 sym = local_syms + r_symndx;
1513 sec = local_sections[r_symndx];
1514 relocation = ((sec->output_section->vma
1515 + sec->output_offset
1517 | ((sym->st_other & STO_SH5_ISA32) != 0));
1519 /* A local symbol never has STO_SH5_ISA32, so we don't need
1520 datalabel processing here. Make sure this does not change
1522 if ((sym->st_other & STO_SH5_ISA32) != 0)
1523 ((*info->callbacks->reloc_dangerous)
1525 _("Unexpected STO_SH5_ISA32 on local symbol is not handled"),
1526 input_bfd, input_section, rel->r_offset));
1528 if (sec != NULL && elf_discarded_section (sec))
1529 /* Handled below. */
1531 else if (info->relocatable)
1533 /* This is a relocatable link. We don't have to change
1534 anything, unless the reloc is against a section symbol,
1535 in which case we have to adjust according to where the
1536 section symbol winds up in the output section. */
1537 if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
1538 goto final_link_relocate;
1542 else if (! howto->partial_inplace)
1544 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
1545 relocation |= ((sym->st_other & STO_SH5_ISA32) != 0);
1547 else if ((sec->flags & SEC_MERGE)
1548 && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
1552 if (howto->rightshift || howto->src_mask != 0xffffffff)
1554 (*_bfd_error_handler)
1555 (_("%B(%A+0x%lx): %s relocation against SEC_MERGE section"),
1556 input_bfd, input_section,
1557 (long) rel->r_offset, howto->name);
1561 addend = bfd_get_32 (input_bfd, contents + rel->r_offset);
1564 _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend)
1566 addend += msec->output_section->vma + msec->output_offset;
1567 bfd_put_32 (input_bfd, addend, contents + rel->r_offset);
1573 /* ??? Could we use the RELOC_FOR_GLOBAL_SYMBOL macro here ? */
1575 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1576 while (h->root.type == bfd_link_hash_indirect
1577 || h->root.type == bfd_link_hash_warning)
1579 /* If the reference passes a symbol marked with
1580 STT_DATALABEL, then any STO_SH5_ISA32 on the final value
1582 seen_stt_datalabel |= h->type == STT_DATALABEL;
1583 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1586 if (h->root.type == bfd_link_hash_defined
1587 || h->root.type == bfd_link_hash_defweak)
1589 sec = h->root.u.def.section;
1590 /* In these cases, we don't need the relocation value.
1591 We check specially because in some obscure cases
1592 sec->output_section will be NULL. */
1593 if (r_type == R_SH_GOTPC_LOW16
1594 || r_type == R_SH_GOTPC_MEDLOW16
1595 || r_type == R_SH_GOTPC_MEDHI16
1596 || r_type == R_SH_GOTPC_HI16
1597 || ((r_type == R_SH_PLT_LOW16
1598 || r_type == R_SH_PLT_MEDLOW16
1599 || r_type == R_SH_PLT_MEDHI16
1600 || r_type == R_SH_PLT_HI16)
1601 && h->plt.offset != (bfd_vma) -1)
1602 || ((r_type == R_SH_GOT_LOW16
1603 || r_type == R_SH_GOT_MEDLOW16
1604 || r_type == R_SH_GOT_MEDHI16
1605 || r_type == R_SH_GOT_HI16)
1606 && elf_hash_table (info)->dynamic_sections_created
1608 || (! info->symbolic && h->dynindx != -1)
1609 || !h->def_regular))
1610 /* The cases above are those in which relocation is
1611 overwritten in the switch block below. The cases
1612 below are those in which we must defer relocation
1613 to run-time, because we can't resolve absolute
1614 addresses when creating a shared library. */
1616 && ((! info->symbolic && h->dynindx != -1)
1618 && ((r_type == R_SH_64
1619 && !(ELF_ST_VISIBILITY (h->other) == STV_INTERNAL
1620 || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN))
1621 || r_type == R_SH_64_PCREL)
1622 && ((input_section->flags & SEC_ALLOC) != 0
1623 /* DWARF will emit R_SH_DIR32 relocations in its
1624 sections against symbols defined externally
1625 in shared libraries. We can't do anything
1627 || (input_section->flags & SEC_DEBUGGING) != 0))
1628 /* Dynamic relocs are not propagated for SEC_DEBUGGING
1629 sections because such sections are not SEC_ALLOC and
1630 thus ld.so will not process them. */
1631 || (sec->output_section == NULL
1632 && ((input_section->flags & SEC_DEBUGGING) != 0
1633 && h->def_dynamic)))
1635 else if (sec->output_section != NULL)
1636 relocation = ((h->root.u.def.value
1637 + sec->output_section->vma
1638 + sec->output_offset)
1639 /* A STO_SH5_ISA32 causes a "bitor 1" to the
1640 symbol value, unless we've seen
1641 STT_DATALABEL on the way to it. */
1642 | ((h->other & STO_SH5_ISA32) != 0
1643 && ! seen_stt_datalabel));
1644 else if (!info->relocatable)
1646 (*_bfd_error_handler)
1647 (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
1650 (long) rel->r_offset,
1652 h->root.root.string);
1655 else if (h->root.type == bfd_link_hash_undefweak)
1657 else if (info->unresolved_syms_in_objects == RM_IGNORE
1658 && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
1660 else if (!info->relocatable)
1662 if (! ((*info->callbacks->undefined_symbol)
1663 (info, h->root.root.string, input_bfd,
1664 input_section, rel->r_offset,
1665 (info->unresolved_syms_in_objects == RM_GENERATE_ERROR
1666 || ELF_ST_VISIBILITY (h->other)))))
1671 if (sec != NULL && elf_discarded_section (sec))
1673 /* For relocs against symbols from removed linkonce sections,
1674 or sections discarded by a linker script, we just want the
1675 section contents zeroed. Avoid any special processing. */
1676 _bfd_clear_contents (howto, input_bfd, contents + rel->r_offset);
1682 if (info->relocatable)
1686 - input_section->output_section->vma
1687 - input_section->output_offset
1690 switch ((int)r_type)
1692 case R_SH_PT_16: dropped = disp & 2; break;
1693 case R_SH_DIR10SW: dropped = disp & 1; break;
1694 case R_SH_DIR10SL: dropped = disp & 3; break;
1695 case R_SH_DIR10SQ: dropped = disp & 7; break;
1699 (*_bfd_error_handler)
1700 (_("%s: error: unaligned relocation type %d at %08x reloc %08x\n"),
1701 bfd_get_filename (input_bfd), (int)r_type, (unsigned)rel->r_offset, (unsigned)relocation);
1702 bfd_set_error (bfd_error_bad_value);
1705 switch ((int)r_type)
1710 && (input_section->flags & SEC_ALLOC) != 0
1711 && (r_type != R_SH_64_PCREL
1714 && (! info->symbolic
1715 || !h->def_regular))))
1717 Elf_Internal_Rela outrel;
1719 bfd_boolean skip, relocate;
1721 /* When generating a shared object, these relocations
1722 are copied into the output file to be resolved at run
1729 name = (bfd_elf_string_from_elf_section
1731 elf_elfheader (input_bfd)->e_shstrndx,
1732 elf_section_data (input_section)->rel_hdr.sh_name));
1736 BFD_ASSERT (CONST_STRNEQ (name, ".rela")
1737 && strcmp (bfd_get_section_name (input_bfd,
1741 sreloc = bfd_get_section_by_name (dynobj, name);
1742 BFD_ASSERT (sreloc != NULL);
1749 = _bfd_elf_section_offset (output_bfd, info,
1750 input_section, rel->r_offset);
1752 if (outrel.r_offset == (bfd_vma) -1)
1754 else if (outrel.r_offset == (bfd_vma) -2)
1755 skip = TRUE, relocate = TRUE;
1757 outrel.r_offset += (input_section->output_section->vma
1758 + input_section->output_offset);
1761 memset (&outrel, 0, sizeof outrel);
1762 else if (r_type == R_SH_64_PCREL)
1764 BFD_ASSERT (h != NULL && h->dynindx != -1);
1765 outrel.r_info = ELF64_R_INFO (h->dynindx, R_SH_64_PCREL);
1766 outrel.r_addend = rel->r_addend;
1770 /* h->dynindx may be -1 if this symbol was marked to
1773 || ((info->symbolic || h->dynindx == -1)
1777 outrel.r_info = ELF64_R_INFO (0, R_SH_RELATIVE64);
1778 outrel.r_addend = relocation + rel->r_addend;
1782 BFD_ASSERT (h->dynindx != -1);
1783 outrel.r_info = ELF64_R_INFO (h->dynindx, R_SH_64);
1784 outrel.r_addend = relocation + rel->r_addend;
1788 loc = sreloc->contents;
1789 loc += sreloc->reloc_count++ * sizeof (Elf64_External_Rela);
1790 bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc);
1792 /* If this reloc is against an external symbol, we do
1793 not want to fiddle with the addend. Otherwise, we
1794 need to include the symbol value so that it becomes
1795 an addend for the dynamic reloc. */
1799 else if (r_type == R_SH_64)
1800 addend = rel->r_addend;
1801 goto final_link_relocate;
1803 case R_SH_GOTPLT_LOW16:
1804 case R_SH_GOTPLT_MEDLOW16:
1805 case R_SH_GOTPLT_MEDHI16:
1806 case R_SH_GOTPLT_HI16:
1807 case R_SH_GOTPLT10BY4:
1808 case R_SH_GOTPLT10BY8:
1809 /* Relocation is to the entry for this symbol in the
1810 procedure linkage table. */
1813 || ELF_ST_VISIBILITY (h->other) == STV_INTERNAL
1814 || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN
1818 || h->plt.offset == (bfd_vma) -1
1819 || h->got.offset != (bfd_vma) -1)
1822 /* Relocation is to the entry for this symbol in the global
1823 offset table extension for the procedure linkage table. */
1824 if (sgotplt == NULL)
1826 sgotplt = bfd_get_section_by_name (dynobj, ".got.plt");
1827 BFD_ASSERT (sgotplt != NULL);
1830 relocation = (sgotplt->output_offset
1831 + ((h->plt.offset / elf_sh64_sizeof_plt (info)
1834 relocation -= GOT_BIAS;
1836 goto final_link_relocate;
1839 case R_SH_GOT_LOW16:
1840 case R_SH_GOT_MEDLOW16:
1841 case R_SH_GOT_MEDHI16:
1845 /* Relocation is to the entry for this symbol in the global
1849 sgot = bfd_get_section_by_name (dynobj, ".got");
1850 BFD_ASSERT (sgot != NULL);
1857 off = h->got.offset;
1858 if (seen_stt_datalabel)
1860 struct elf_sh64_link_hash_entry *hsh;
1862 hsh = (struct elf_sh64_link_hash_entry *)h;
1863 off = hsh->datalabel_got_offset;
1865 BFD_ASSERT (off != (bfd_vma) -1);
1867 if (! elf_hash_table (info)->dynamic_sections_created
1869 && (info->symbolic || h->dynindx == -1
1870 || ELF_ST_VISIBILITY (h->other) == STV_INTERNAL
1871 || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN)
1874 /* This is actually a static link, or it is a
1875 -Bsymbolic link and the symbol is defined
1876 locally, or the symbol was forced to be local
1877 because of a version file. We must initialize
1878 this entry in the global offset table. Since the
1879 offset must always be a multiple of 4, we use the
1880 least significant bit to record whether we have
1881 initialized it already.
1883 When doing a dynamic link, we create a .rela.got
1884 relocation entry to initialize the value. This
1885 is done in the finish_dynamic_symbol routine. */
1890 bfd_put_64 (output_bfd, relocation,
1891 sgot->contents + off);
1892 if (seen_stt_datalabel)
1894 struct elf_sh64_link_hash_entry *hsh;
1896 hsh = (struct elf_sh64_link_hash_entry *)h;
1897 hsh->datalabel_got_offset |= 1;
1904 relocation = sgot->output_offset + off;
1912 BFD_ASSERT (local_got_offsets != NULL
1913 && (local_got_offsets[symtab_hdr->sh_info
1917 off = local_got_offsets[symtab_hdr->sh_info
1922 BFD_ASSERT (local_got_offsets != NULL
1923 && local_got_offsets[r_symndx] != (bfd_vma) -1);
1925 off = local_got_offsets[r_symndx];
1928 /* The offset must always be a multiple of 8. We use
1929 the least significant bit to record whether we have
1930 already generated the necessary reloc. */
1935 bfd_put_64 (output_bfd, relocation, sgot->contents + off);
1940 Elf_Internal_Rela outrel;
1943 s = bfd_get_section_by_name (dynobj, ".rela.got");
1944 BFD_ASSERT (s != NULL);
1946 outrel.r_offset = (sgot->output_section->vma
1947 + sgot->output_offset
1949 outrel.r_info = ELF64_R_INFO (0, R_SH_RELATIVE64);
1950 outrel.r_addend = relocation;
1952 loc += s->reloc_count++ * sizeof (Elf64_External_Rela);
1953 bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc);
1957 local_got_offsets[symtab_hdr->sh_info + r_symndx] |= 1;
1959 local_got_offsets[r_symndx] |= 1;
1962 relocation = sgot->output_offset + off;
1965 relocation -= GOT_BIAS;
1967 goto final_link_relocate;
1969 case R_SH_GOTOFF_LOW16:
1970 case R_SH_GOTOFF_MEDLOW16:
1971 case R_SH_GOTOFF_MEDHI16:
1972 case R_SH_GOTOFF_HI16:
1973 /* Relocation is relative to the start of the global offset
1978 sgot = bfd_get_section_by_name (dynobj, ".got");
1979 BFD_ASSERT (sgot != NULL);
1982 /* Note that sgot->output_offset is not involved in this
1983 calculation. We always want the start of .got. If we
1984 defined _GLOBAL_OFFSET_TABLE in a different way, as is
1985 permitted by the ABI, we might have to change this
1987 relocation -= sgot->output_section->vma;
1989 relocation -= GOT_BIAS;
1991 addend = rel->r_addend;
1993 goto final_link_relocate;
1995 case R_SH_GOTPC_LOW16:
1996 case R_SH_GOTPC_MEDLOW16:
1997 case R_SH_GOTPC_MEDHI16:
1998 case R_SH_GOTPC_HI16:
1999 /* Use global offset table as symbol value. */
2003 sgot = bfd_get_section_by_name (dynobj, ".got");
2004 BFD_ASSERT (sgot != NULL);
2007 relocation = sgot->output_section->vma;
2009 relocation += GOT_BIAS;
2011 addend = rel->r_addend;
2013 goto final_link_relocate;
2015 case R_SH_PLT_LOW16:
2016 case R_SH_PLT_MEDLOW16:
2017 case R_SH_PLT_MEDHI16:
2019 /* Relocation is to the entry for this symbol in the
2020 procedure linkage table. */
2022 /* Resolve a PLT reloc against a local symbol directly,
2023 without using the procedure linkage table. */
2025 goto final_link_relocate;
2027 if (ELF_ST_VISIBILITY (h->other) == STV_INTERNAL
2028 || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN)
2029 goto final_link_relocate;
2031 if (h->plt.offset == (bfd_vma) -1)
2033 /* We didn't make a PLT entry for this symbol. This
2034 happens when statically linking PIC code, or when
2035 using -Bsymbolic. */
2036 goto final_link_relocate;
2041 splt = bfd_get_section_by_name (dynobj, ".plt");
2042 BFD_ASSERT (splt != NULL);
2045 relocation = (splt->output_section->vma
2046 + splt->output_offset
2050 addend = rel->r_addend;
2052 goto final_link_relocate;
2055 case R_SH_SHMEDIA_CODE:
2066 case R_SH_IMM_LOW16:
2067 case R_SH_IMM_LOW16_PCREL:
2068 case R_SH_IMM_MEDLOW16:
2069 case R_SH_IMM_MEDLOW16_PCREL:
2070 case R_SH_IMM_MEDHI16:
2071 case R_SH_IMM_MEDHI16_PCREL:
2073 case R_SH_IMM_HI16_PCREL:
2074 addend = rel->r_addend;
2077 final_link_relocate:
2078 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
2079 contents, rel->r_offset,
2080 relocation, addend);
2084 bfd_set_error (bfd_error_bad_value);
2089 if (r != bfd_reloc_ok)
2094 case bfd_reloc_outofrange:
2096 case bfd_reloc_overflow:
2104 name = (bfd_elf_string_from_elf_section
2105 (input_bfd, symtab_hdr->sh_link, sym->st_name));
2109 name = bfd_section_name (input_bfd, sec);
2111 if (! ((*info->callbacks->reloc_overflow)
2112 (info, (h ? &h->root : NULL), name, howto->name,
2113 (bfd_vma) 0, input_bfd, input_section,
2125 /* This is a version of bfd_generic_get_relocated_section_contents
2126 that uses sh_elf64_relocate_section.
2128 See sh_elf_relocate_section in elf32-sh.c for the original. */
2131 sh_elf64_get_relocated_section_contents (bfd *output_bfd,
2132 struct bfd_link_info *link_info,
2133 struct bfd_link_order *link_order,
2135 bfd_boolean relocatable,
2138 Elf_Internal_Shdr *symtab_hdr;
2139 asection *input_section = link_order->u.indirect.section;
2140 bfd *input_bfd = input_section->owner;
2141 asection **sections = NULL;
2142 Elf_Internal_Rela *internal_relocs = NULL;
2143 Elf_Internal_Sym *isymbuf = NULL;
2145 /* We only need to handle the case of relaxing, or of having a
2146 particular set of section contents, specially. */
2148 || elf_section_data (input_section)->this_hdr.contents == NULL)
2149 return bfd_generic_get_relocated_section_contents (output_bfd, link_info,
2154 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
2156 memcpy (data, elf_section_data (input_section)->this_hdr.contents,
2157 input_section->size);
2159 if ((input_section->flags & SEC_RELOC) != 0
2160 && input_section->reloc_count > 0)
2162 Elf_Internal_Sym *isymp;
2163 Elf_Internal_Sym *isymend;
2166 /* Read this BFD's local symbols. */
2167 if (symtab_hdr->sh_info != 0)
2169 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
2170 if (isymbuf == NULL)
2171 isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
2172 symtab_hdr->sh_info, 0,
2174 if (isymbuf == NULL)
2178 internal_relocs = (_bfd_elf_link_read_relocs
2179 (input_bfd, input_section, NULL,
2180 (Elf_Internal_Rela *) NULL, FALSE));
2181 if (internal_relocs == NULL)
2184 sections = (asection **) bfd_malloc (symtab_hdr->sh_info
2185 * sizeof (asection *));
2186 if (sections == NULL && symtab_hdr->sh_info > 0)
2190 isymend = isymbuf + symtab_hdr->sh_info;
2191 for (isymp = isymbuf; isymp < isymend; ++isymp, ++secpp)
2195 if (isymp->st_shndx == SHN_UNDEF)
2196 isec = bfd_und_section_ptr;
2197 else if (isymp->st_shndx > 0 && isymp->st_shndx < SHN_LORESERVE)
2198 isec = bfd_section_from_elf_index (input_bfd, isymp->st_shndx);
2199 else if (isymp->st_shndx == SHN_ABS)
2200 isec = bfd_abs_section_ptr;
2201 else if (isymp->st_shndx == SHN_COMMON)
2202 isec = bfd_com_section_ptr;
2212 if (! sh_elf64_relocate_section (output_bfd, link_info, input_bfd,
2213 input_section, data, internal_relocs,
2217 if (sections != NULL)
2219 if (internal_relocs != elf_section_data (input_section)->relocs)
2220 free (internal_relocs);
2222 && (unsigned char *) isymbuf != symtab_hdr->contents)
2229 if (sections != NULL)
2231 if (internal_relocs != NULL
2232 && internal_relocs != elf_section_data (input_section)->relocs)
2233 free (internal_relocs);
2235 && (unsigned char *) isymbuf != symtab_hdr->contents)
2240 /* Set the SHF_SH5_ISA32 flag for ISA SHmedia code sections. */
2243 sh64_elf64_fake_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
2244 Elf_Internal_Shdr *elf_section_hdr,
2247 /* Code sections can only contain SH64 code, so mark them as such. */
2248 if (bfd_get_section_flags (output_bfd, asect) & SEC_CODE)
2249 elf_section_hdr->sh_flags |= SHF_SH5_ISA32;
2255 sh_elf64_set_mach_from_flags (bfd *abfd)
2257 flagword flags = elf_elfheader (abfd)->e_flags;
2259 switch (flags & EF_SH_MACH_MASK)
2262 /* Just one, but keep the switch construct to make additions easy. */
2263 bfd_default_set_arch_mach (abfd, bfd_arch_sh, bfd_mach_sh5);
2267 bfd_set_error (bfd_error_wrong_format);
2273 /* Function to keep SH64 specific file flags.
2275 See sh64_elf_set_private_flags in elf32-sh64.c for the original. */
2278 sh_elf64_set_private_flags (bfd *abfd, flagword flags)
2280 BFD_ASSERT (! elf_flags_init (abfd)
2281 || elf_elfheader (abfd)->e_flags == flags);
2283 elf_elfheader (abfd)->e_flags = flags;
2284 elf_flags_init (abfd) = TRUE;
2285 return sh_elf64_set_mach_from_flags (abfd);
2288 /* Copy the SHF_SH5_ISA32 attribute that we keep on all sections with
2289 code, to keep attributes the same as for SHmedia in 32-bit ELF. */
2292 sh_elf64_copy_private_data_internal (bfd *ibfd, bfd *obfd)
2294 Elf_Internal_Shdr **o_shdrp;
2298 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
2299 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
2302 o_shdrp = elf_elfsections (obfd);
2303 for (osec = obfd->sections; osec; osec = osec->next)
2305 int oIndex = ((struct bfd_elf_section_data *) elf_section_data (osec))->this_idx;
2306 for (isec = ibfd->sections; isec; isec = isec->next)
2308 if (strcmp (osec->name, isec->name) == 0)
2310 /* Note that we're not disallowing mixing data and code. */
2311 if ((elf_section_data (isec)->this_hdr.sh_flags
2312 & SHF_SH5_ISA32) != 0)
2313 o_shdrp[oIndex]->sh_flags |= SHF_SH5_ISA32;
2319 /* Copy object attributes. */
2320 _bfd_elf_copy_obj_attributes (ibfd, obfd);
2322 return sh_elf64_set_private_flags (obfd, elf_elfheader (ibfd)->e_flags);
2326 sh_elf64_copy_private_data (bfd *ibfd, bfd *obfd)
2328 return sh_elf64_copy_private_data_internal (ibfd, obfd);
2332 sh_elf64_merge_private_data (bfd *ibfd, bfd *obfd)
2334 flagword old_flags, new_flags;
2336 if (! _bfd_generic_verify_endian_match (ibfd, obfd))
2339 if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour
2340 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
2343 if (bfd_get_arch_size (ibfd) != bfd_get_arch_size (obfd))
2347 if (bfd_get_arch_size (ibfd) == 32
2348 && bfd_get_arch_size (obfd) == 64)
2349 msg = _("%s: compiled as 32-bit object and %s is 64-bit");
2350 else if (bfd_get_arch_size (ibfd) == 64
2351 && bfd_get_arch_size (obfd) == 32)
2352 msg = _("%s: compiled as 64-bit object and %s is 32-bit");
2354 msg = _("%s: object size does not match that of target %s");
2356 (*_bfd_error_handler) (msg, bfd_get_filename (ibfd),
2357 bfd_get_filename (obfd));
2358 bfd_set_error (bfd_error_wrong_format);
2362 old_flags = elf_elfheader (obfd)->e_flags;
2363 new_flags = elf_elfheader (ibfd)->e_flags;
2364 if (! elf_flags_init (obfd))
2366 /* This happens when ld starts out with a 'blank' output file. */
2367 elf_flags_init (obfd) = TRUE;
2368 elf_elfheader (obfd)->e_flags = old_flags = new_flags;
2370 /* We don't allow linking in anything else than SH64 code, and since
2371 this is a 64-bit ELF, we assume the 64-bit ABI is used. Add code
2372 here as things change. */
2373 else if ((new_flags & EF_SH_MACH_MASK) != EF_SH5)
2375 (*_bfd_error_handler)
2376 ("%s: does not use the SH64 64-bit ABI as previous modules do",
2377 bfd_get_filename (ibfd));
2378 bfd_set_error (bfd_error_bad_value);
2382 sh_elf64_copy_private_data_internal (ibfd, obfd);
2384 /* I can't think of anything sane other than old_flags being EF_SH5 and
2385 that we need to preserve that. */
2386 elf_elfheader (obfd)->e_flags = old_flags;
2388 return sh_elf64_set_mach_from_flags (obfd);
2391 /* Return the section that should be marked against GC for a given
2395 sh_elf64_gc_mark_hook (asection *sec,
2396 struct bfd_link_info *info,
2397 Elf_Internal_Rela *rel,
2398 struct elf_link_hash_entry *h,
2399 Elf_Internal_Sym *sym)
2402 switch (ELF64_R_TYPE (rel->r_info))
2404 case R_SH_GNU_VTINHERIT:
2405 case R_SH_GNU_VTENTRY:
2409 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
2412 /* Look through the relocs for a section during the first phase.
2413 Since we don't do .gots or .plts, we just need to consider the
2414 virtual table relocs for gc. */
2417 sh_elf64_check_relocs (bfd *abfd, struct bfd_link_info *info,
2418 asection *sec, const Elf_Internal_Rela *relocs)
2420 Elf_Internal_Shdr *symtab_hdr;
2421 struct elf_link_hash_entry **sym_hashes, **sym_hashes_end;
2422 const Elf_Internal_Rela *rel;
2423 const Elf_Internal_Rela *rel_end;
2425 bfd_vma *local_got_offsets;
2434 if (info->relocatable)
2437 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
2438 sym_hashes = elf_sym_hashes (abfd);
2439 sym_hashes_end = sym_hashes + symtab_hdr->sh_size/sizeof(Elf64_External_Sym);
2440 if (!elf_bad_symtab (abfd))
2441 sym_hashes_end -= symtab_hdr->sh_info;
2443 dynobj = elf_hash_table (info)->dynobj;
2444 local_got_offsets = elf_local_got_offsets (abfd);
2446 rel_end = relocs + sec->reloc_count;
2447 for (rel = relocs; rel < rel_end; rel++)
2449 struct elf_link_hash_entry *h;
2450 unsigned long r_symndx;
2452 r_symndx = ELF64_R_SYM (rel->r_info);
2453 if (r_symndx < symtab_hdr->sh_info)
2457 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
2458 while (h->root.type == bfd_link_hash_indirect
2459 || h->root.type == bfd_link_hash_warning)
2460 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2463 /* Some relocs require a global offset table. */
2466 switch (ELF64_R_TYPE (rel->r_info))
2468 case R_SH_GOTPLT_LOW16:
2469 case R_SH_GOTPLT_MEDLOW16:
2470 case R_SH_GOTPLT_MEDHI16:
2471 case R_SH_GOTPLT_HI16:
2472 case R_SH_GOTPLT10BY4:
2473 case R_SH_GOTPLT10BY8:
2474 case R_SH_GOT_LOW16:
2475 case R_SH_GOT_MEDLOW16:
2476 case R_SH_GOT_MEDHI16:
2480 case R_SH_GOTOFF_LOW16:
2481 case R_SH_GOTOFF_MEDLOW16:
2482 case R_SH_GOTOFF_MEDHI16:
2483 case R_SH_GOTOFF_HI16:
2484 case R_SH_GOTPC_LOW16:
2485 case R_SH_GOTPC_MEDLOW16:
2486 case R_SH_GOTPC_MEDHI16:
2487 case R_SH_GOTPC_HI16:
2488 elf_hash_table (info)->dynobj = dynobj = abfd;
2489 if (! _bfd_elf_create_got_section (dynobj, info))
2498 switch (ELF64_R_TYPE (rel->r_info))
2500 /* This relocation describes the C++ object vtable hierarchy.
2501 Reconstruct it for later use during GC. */
2502 case R_SH_GNU_VTINHERIT:
2503 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
2507 /* This relocation describes which C++ vtable entries are actually
2508 used. Record for later use during GC. */
2509 case R_SH_GNU_VTENTRY:
2510 if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
2515 case R_SH_GOT_LOW16:
2516 case R_SH_GOT_MEDLOW16:
2517 case R_SH_GOT_MEDHI16:
2521 /* This symbol requires a global offset table entry. */
2525 sgot = bfd_get_section_by_name (dynobj, ".got");
2526 BFD_ASSERT (sgot != NULL);
2530 && (h != NULL || info->shared))
2532 srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
2533 if (srelgot == NULL)
2535 srelgot = bfd_make_section_with_flags (dynobj,
2541 | SEC_LINKER_CREATED
2544 || ! bfd_set_section_alignment (dynobj, srelgot, 2))
2551 if (h->type == STT_DATALABEL)
2553 struct elf_sh64_link_hash_entry *hsh;
2555 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2556 hsh = (struct elf_sh64_link_hash_entry *)h;
2557 if (hsh->datalabel_got_offset != (bfd_vma) -1)
2560 hsh->datalabel_got_offset = sgot->size;
2564 if (h->got.offset != (bfd_vma) -1)
2566 /* We have already allocated space in the .got. */
2569 h->got.offset = sgot->size;
2572 /* Make sure this symbol is output as a dynamic symbol. */
2573 if (h->dynindx == -1)
2575 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2579 srelgot->size += sizeof (Elf64_External_Rela);
2583 /* This is a global offset table entry for a local
2585 if (local_got_offsets == NULL)
2588 register unsigned int i;
2590 size = symtab_hdr->sh_info * sizeof (bfd_vma);
2591 /* Reserve space for both the datalabel and
2592 codelabel local GOT offsets. */
2594 local_got_offsets = (bfd_vma *) bfd_alloc (abfd, size);
2595 if (local_got_offsets == NULL)
2597 elf_local_got_offsets (abfd) = local_got_offsets;
2598 for (i = 0; i < symtab_hdr->sh_info; i++)
2599 local_got_offsets[i] = (bfd_vma) -1;
2600 for (; i < 2 * symtab_hdr->sh_info; i++)
2601 local_got_offsets[i] = (bfd_vma) -1;
2603 if ((rel->r_addend & 1) != 0)
2605 if (local_got_offsets[symtab_hdr->sh_info
2606 + r_symndx] != (bfd_vma) -1)
2608 /* We have already allocated space in the .got. */
2611 local_got_offsets[symtab_hdr->sh_info
2612 + r_symndx] = sgot->size;
2616 if (local_got_offsets[r_symndx] != (bfd_vma) -1)
2618 /* We have already allocated space in the .got. */
2621 local_got_offsets[r_symndx] = sgot->size;
2626 /* If we are generating a shared object, we need to
2627 output a R_SH_RELATIVE reloc so that the dynamic
2628 linker can adjust this GOT entry. */
2629 srelgot->size += sizeof (Elf64_External_Rela);
2637 case R_SH_GOTPLT_LOW16:
2638 case R_SH_GOTPLT_MEDLOW16:
2639 case R_SH_GOTPLT_MEDHI16:
2640 case R_SH_GOTPLT_HI16:
2641 case R_SH_GOTPLT10BY4:
2642 case R_SH_GOTPLT10BY8:
2643 /* If this is a local symbol, we resolve it directly without
2644 creating a procedure linkage table entry. */
2647 || ELF_ST_VISIBILITY (h->other) == STV_INTERNAL
2648 || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN
2652 || h->got.offset != (bfd_vma) -1)
2655 /* Make sure this symbol is output as a dynamic symbol. */
2656 if (h->dynindx == -1)
2658 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2666 case R_SH_PLT_LOW16:
2667 case R_SH_PLT_MEDLOW16:
2668 case R_SH_PLT_MEDHI16:
2670 /* This symbol requires a procedure linkage table entry. We
2671 actually build the entry in adjust_dynamic_symbol,
2672 because this might be a case of linking PIC code which is
2673 never referenced by a dynamic object, in which case we
2674 don't need to generate a procedure linkage table entry
2677 /* If this is a local symbol, we resolve it directly without
2678 creating a procedure linkage table entry. */
2682 if (ELF_ST_VISIBILITY (h->other) == STV_INTERNAL
2683 || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN)
2695 /* If we are creating a shared library, and this is a reloc
2696 against a global symbol, or a non PC relative reloc
2697 against a local symbol, then we need to copy the reloc
2698 into the shared library. However, if we are linking with
2699 -Bsymbolic, we do not need to copy a reloc against a
2700 global symbol which is defined in an object we are
2701 including in the link (i.e., DEF_REGULAR is set). At
2702 this point we have not seen all the input files, so it is
2703 possible that DEF_REGULAR is not set now but will be set
2704 later (it is never cleared). We account for that
2705 possibility below by storing information in the
2706 pcrel_relocs_copied field of the hash table entry. */
2708 && (sec->flags & SEC_ALLOC) != 0
2709 && (ELF32_R_TYPE (rel->r_info) != R_SH_64_PCREL
2711 && (! info->symbolic
2712 || !h->def_regular))))
2714 /* When creating a shared object, we must copy these
2715 reloc types into the output file. We create a reloc
2716 section in dynobj and make room for this reloc. */
2721 name = (bfd_elf_string_from_elf_section
2723 elf_elfheader (abfd)->e_shstrndx,
2724 elf_section_data (sec)->rel_hdr.sh_name));
2728 BFD_ASSERT (CONST_STRNEQ (name, ".rela")
2729 && strcmp (bfd_get_section_name (abfd, sec),
2732 sreloc = bfd_get_section_by_name (dynobj, name);
2737 flags = (SEC_HAS_CONTENTS | SEC_READONLY
2738 | SEC_IN_MEMORY | SEC_LINKER_CREATED);
2739 if ((sec->flags & SEC_ALLOC) != 0)
2740 flags |= SEC_ALLOC | SEC_LOAD;
2741 sreloc = bfd_make_section_with_flags (dynobj,
2745 || ! bfd_set_section_alignment (dynobj, sreloc, 2))
2750 sreloc->size += sizeof (Elf64_External_Rela);
2752 /* If we are linking with -Bsymbolic, and this is a
2753 global symbol, we count the number of PC relative
2754 relocations we have entered for this symbol, so that
2755 we can discard them again if the symbol is later
2756 defined by a regular object. Note that this function
2757 is only called if we are using an elf_sh linker
2758 hash table, which means that h is really a pointer to
2759 an elf_sh_link_hash_entry. */
2760 if (h != NULL && info->symbolic
2761 && ELF64_R_TYPE (rel->r_info) == R_SH_64_PCREL)
2763 struct elf_sh64_link_hash_entry *eh;
2764 struct elf_sh64_pcrel_relocs_copied *p;
2766 eh = (struct elf_sh64_link_hash_entry *) h;
2768 for (p = eh->pcrel_relocs_copied; p != NULL; p = p->next)
2769 if (p->section == sreloc)
2774 p = ((struct elf_sh64_pcrel_relocs_copied *)
2775 bfd_alloc (dynobj, sizeof *p));
2778 p->next = eh->pcrel_relocs_copied;
2779 eh->pcrel_relocs_copied = p;
2780 p->section = sreloc;
2796 sh64_elf64_get_symbol_type (Elf_Internal_Sym * elf_sym, int type)
2798 if (ELF_ST_TYPE (elf_sym->st_info) == STT_DATALABEL)
2799 return STT_DATALABEL;
2804 /* FIXME: This is a copy of sh64_elf_add_symbol_hook in elf32-sh64.c.
2805 Either file can presumably exist without the other, but do not differ
2806 in elf-size-ness. How to share?
2808 Hook called by the linker routine which adds symbols from an object
2809 file. We must make indirect symbols for undefined symbols marked with
2810 STT_DATALABEL, so relocations passing them will pick up that attribute
2811 and neutralize STO_SH5_ISA32 found on the symbol definition.
2813 There is a problem, though: We want to fill in the hash-table entry for
2814 this symbol and signal to the caller that no further processing is
2815 needed. But we don't have the index for this hash-table entry. We
2816 rely here on that the current entry is the first hash-entry with NULL,
2817 which seems brittle. Also, iterating over the hash-table to find that
2818 entry is a linear operation on the number of symbols in this input
2819 file, and this function should take constant time, so that's not good
2820 too. Only comfort is that DataLabel references should only be found in
2821 hand-written assembly code and thus be rare. FIXME: Talk maintainers
2822 into adding an option to elf_add_symbol_hook (preferably) for the index
2823 or the hash entry, alternatively adding the index to Elf_Internal_Sym
2827 sh64_elf64_add_symbol_hook (bfd *abfd, struct bfd_link_info *info,
2828 Elf_Internal_Sym *sym, const char **namep,
2829 flagword *flagsp ATTRIBUTE_UNUSED,
2830 asection **secp, bfd_vma *valp)
2832 /* We want to do this for relocatable as well as final linking. */
2833 if (ELF_ST_TYPE (sym->st_info) == STT_DATALABEL
2834 && is_elf_hash_table (info->hash))
2836 struct elf_link_hash_entry *h;
2838 /* For relocatable links, we register the DataLabel sym in its own
2839 right, and tweak the name when it's output. Otherwise, we make
2840 an indirect symbol of it. */
2842 = info->relocatable || info->emitrelocations
2843 ? BSF_GLOBAL : BSF_GLOBAL | BSF_INDIRECT;
2846 = bfd_malloc (strlen (*namep) + sizeof (DATALABEL_SUFFIX));
2847 struct elf_link_hash_entry ** sym_hash = elf_sym_hashes (abfd);
2849 BFD_ASSERT (sym_hash != NULL);
2851 /* Allocation may fail. */
2852 if (dl_name == NULL)
2855 strcpy (dl_name, *namep);
2856 strcat (dl_name, DATALABEL_SUFFIX);
2858 h = (struct elf_link_hash_entry *)
2859 bfd_link_hash_lookup (info->hash, dl_name, FALSE, FALSE, FALSE);
2863 /* No previous datalabel symbol. Make one. */
2864 struct bfd_link_hash_entry *bh = NULL;
2865 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
2867 if (! _bfd_generic_link_add_one_symbol (info, abfd, dl_name,
2868 flags, *secp, *valp,
2876 h = (struct elf_link_hash_entry *) bh;
2878 h->type = STT_DATALABEL;
2881 /* If a new symbol was created, it holds the allocated name.
2882 Otherwise, we don't need it anymore and should deallocate it. */
2885 if (h->type != STT_DATALABEL
2886 || ((info->relocatable || info->emitrelocations)
2887 && h->root.type != bfd_link_hash_undefined)
2888 || (! info->relocatable && !info->emitrelocations
2889 && h->root.type != bfd_link_hash_indirect))
2891 /* Make sure we don't get confused on invalid input. */
2892 (*_bfd_error_handler)
2893 (_("%s: encountered datalabel symbol in input"),
2894 bfd_get_filename (abfd));
2895 bfd_set_error (bfd_error_bad_value);
2899 /* Now find the hash-table slot for this entry and fill it in. */
2900 while (*sym_hash != NULL)
2904 /* Signal to caller to skip this symbol - we've handled it. */
2911 /* This hook function is called before the linker writes out a global
2912 symbol. For relocatable links, DataLabel symbols will be present in
2913 linker output. We cut off the special suffix on those symbols, so the
2914 right name appears in the output.
2916 When linking and emitting relocations, there can appear global symbols
2917 that are not referenced by relocs, but rather only implicitly through
2918 DataLabel references, a relation that is not visible to the linker.
2919 Since no stripping of global symbols in done when doing such linking,
2920 we don't need to look up and make sure to emit the main symbol for each
2921 DataLabel symbol. */
2924 sh64_elf64_link_output_symbol_hook (struct bfd_link_info *info,
2926 Elf_Internal_Sym *sym,
2927 asection *input_sec ATTRIBUTE_UNUSED,
2928 struct elf_link_hash_entry *h ATTRIBUTE_UNUSED)
2930 char *name = (char *) cname;
2932 if (info->relocatable || info->emitrelocations)
2934 if (ELF_ST_TYPE (sym->st_info) == STT_DATALABEL)
2935 name[strlen (name) - strlen (DATALABEL_SUFFIX)] = 0;
2941 /* Set bit 0 on the entry address; it always points to SHmedia code. This
2942 is mostly for symmetry with the 32-bit format, where code can be
2943 SHcompact and we need to make a distinction to make sure execution
2944 starts in the right ISA mode. It is also convenient for a loader,
2945 which would otherwise have to set this bit when loading a TR register
2946 before jumping to the program entry. */
2949 sh64_elf64_final_write_processing (bfd *abfd,
2950 bfd_boolean linker ATTRIBUTE_UNUSED)
2952 /* FIXME: Perhaps we shouldn't do this if the entry address was supplied
2953 numerically, but we currently lack the infrastructure to recognize
2954 that: The entry symbol, and info whether it is numeric or a symbol
2955 name is kept private in the linker. */
2956 if (elf_elfheader (abfd)->e_type == ET_EXEC)
2957 elf_elfheader (abfd)->e_entry |= 1;
2960 /* First entry in an absolute procedure linkage table look like this. */
2962 static const bfd_byte elf_sh64_plt0_entry_be[PLT_ENTRY_SIZE] =
2964 0xcc, 0x00, 0x01, 0x10, /* movi .got.plt >> 48, r17 */
2965 0xc8, 0x00, 0x01, 0x10, /* shori (.got.plt >> 32) & 65535, r17 */
2966 0xc8, 0x00, 0x01, 0x10, /* shori (.got.plt >> 16) & 65535, r17 */
2967 0xc8, 0x00, 0x01, 0x10, /* shori .got.plt & 65535, r17 */
2968 0x8d, 0x10, 0x09, 0x90, /* ld.q r17, 16, r25 */
2969 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
2970 0x8d, 0x10, 0x05, 0x10, /* ld.q r17, 8, r17 */
2971 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
2972 0x6f, 0xf0, 0xff, 0xf0, /* nop */
2973 0x6f, 0xf0, 0xff, 0xf0, /* nop */
2974 0x6f, 0xf0, 0xff, 0xf0, /* nop */
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 */
2982 static const bfd_byte elf_sh64_plt0_entry_le[PLT_ENTRY_SIZE] =
2984 0x10, 0x01, 0x00, 0xcc, /* movi .got.plt >> 16, r17 */
2985 0x10, 0x01, 0x00, 0xc8, /* shori (.got.plt >> 32) & 65535, r17 */
2986 0x10, 0x01, 0x00, 0xc8, /* shori (.got.plt >> 16) & 65535, r17 */
2987 0x10, 0x01, 0x00, 0xc8, /* shori .got.plt & 65535, r17 */
2988 0x90, 0x09, 0x10, 0x8d, /* ld.q r17, 16, r25 */
2989 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
2990 0x10, 0x05, 0x10, 0x8d, /* ld.q r17, 8, r17 */
2991 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
2992 0xf0, 0xff, 0xf0, 0x6f, /* nop */
2993 0xf0, 0xff, 0xf0, 0x6f, /* nop */
2994 0xf0, 0xff, 0xf0, 0x6f, /* nop */
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 */
3002 /* Sebsequent entries in an absolute procedure linkage table look like
3005 static const bfd_byte elf_sh64_plt_entry_be[PLT_ENTRY_SIZE] =
3007 0xcc, 0x00, 0x01, 0x90, /* movi nameN-in-GOT >> 48, r25 */
3008 0xc8, 0x00, 0x01, 0x90, /* shori (nameN-in-GOT >> 32) & 65535, r25 */
3009 0xc8, 0x00, 0x01, 0x90, /* shori (nameN-in-GOT >> 16) & 65535, r25 */
3010 0xc8, 0x00, 0x01, 0x90, /* shori nameN-in-GOT & 65535, r25 */
3011 0x8d, 0x90, 0x01, 0x90, /* ld.q r25, 0, r25 */
3012 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
3013 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
3014 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3015 0xcc, 0x00, 0x01, 0x90, /* movi (.+8-.PLT0) >> 16, r25 */
3016 0xc8, 0x00, 0x01, 0x90, /* shori (.+4-.PLT0) & 65535, r25 */
3017 0x6b, 0xf5, 0x66, 0x00, /* ptrel r25, tr0 */
3018 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */
3019 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */
3020 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
3021 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3022 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3025 static const bfd_byte elf_sh64_plt_entry_le[PLT_ENTRY_SIZE] =
3027 0x90, 0x01, 0x00, 0xcc, /* movi nameN-in-GOT >> 16, r25 */
3028 0x90, 0x01, 0x00, 0xc8, /* shori nameN-in-GOT & 65535, r25 */
3029 0x90, 0x01, 0x00, 0xc8, /* shori nameN-in-GOT & 65535, r25 */
3030 0x90, 0x01, 0x00, 0xc8, /* shori nameN-in-GOT & 65535, r25 */
3031 0x90, 0x01, 0x90, 0x8d, /* ld.q r25, 0, r25 */
3032 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
3033 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
3034 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3035 0x90, 0x01, 0x00, 0xcc, /* movi (.+8-.PLT0) >> 16, r25 */
3036 0x90, 0x01, 0x00, 0xc8, /* shori (.+4-.PLT0) & 65535, r25 */
3037 0x00, 0x66, 0xf5, 0x6b, /* ptrel r25, tr0 */
3038 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */
3039 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */
3040 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
3041 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3042 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3045 /* Entries in a PIC procedure linkage table look like this. */
3047 static const bfd_byte elf_sh64_pic_plt_entry_be[PLT_ENTRY_SIZE] =
3049 0xcc, 0x00, 0x01, 0x90, /* movi nameN@GOT >> 16, r25 */
3050 0xc8, 0x00, 0x01, 0x90, /* shori nameN@GOT & 65535, r25 */
3051 0x40, 0xc3, 0x65, 0x90, /* ldx.q r12, r25, r25 */
3052 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
3053 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
3054 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3055 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3056 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3057 0xce, 0x00, 0x01, 0x10, /* movi -GOT_BIAS, r17 */
3058 0x00, 0xc9, 0x45, 0x10, /* add r12, r17, r17 */
3059 0x8d, 0x10, 0x09, 0x90, /* ld.q r17, 16, r25 */
3060 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
3061 0x8d, 0x10, 0x05, 0x10, /* ld.q r17, 8, r17 */
3062 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */
3063 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */
3064 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
3067 static const bfd_byte elf_sh64_pic_plt_entry_le[PLT_ENTRY_SIZE] =
3069 0x90, 0x01, 0x00, 0xcc, /* movi nameN@GOT >> 16, r25 */
3070 0x90, 0x01, 0x00, 0xc8, /* shori nameN@GOT & 65535, r25 */
3071 0x90, 0x65, 0xc3, 0x40, /* ldx.q r12, r25, r25 */
3072 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
3073 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
3074 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3075 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3076 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3077 0x10, 0x01, 0x00, 0xce, /* movi -GOT_BIAS, r17 */
3078 0x10, 0x45, 0xc9, 0x00, /* add r12, r17, r17 */
3079 0x90, 0x09, 0x10, 0x8d, /* ld.q r17, 16, r25 */
3080 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
3081 0x10, 0x05, 0x10, 0x8d, /* ld.q r17, 8, r17 */
3082 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */
3083 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */
3084 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
3087 static const bfd_byte *elf_sh64_plt0_entry;
3088 static const bfd_byte *elf_sh64_plt_entry;
3089 static const bfd_byte *elf_sh64_pic_plt_entry;
3091 /* Create an entry in an sh ELF linker hash table. */
3093 static struct bfd_hash_entry *
3094 sh64_elf64_link_hash_newfunc (struct bfd_hash_entry *entry,
3095 struct bfd_hash_table *table,
3098 struct elf_sh64_link_hash_entry *ret =
3099 (struct elf_sh64_link_hash_entry *) entry;
3101 /* Allocate the structure if it has not already been allocated by a
3103 if (ret == (struct elf_sh64_link_hash_entry *) NULL)
3104 ret = ((struct elf_sh64_link_hash_entry *)
3105 bfd_hash_allocate (table,
3106 sizeof (struct elf_sh64_link_hash_entry)));
3107 if (ret == (struct elf_sh64_link_hash_entry *) NULL)
3108 return (struct bfd_hash_entry *) ret;
3110 /* Call the allocation method of the superclass. */
3111 ret = ((struct elf_sh64_link_hash_entry *)
3112 _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
3114 if (ret != (struct elf_sh64_link_hash_entry *) NULL)
3116 ret->pcrel_relocs_copied = NULL;
3117 ret->datalabel_got_offset = (bfd_vma) -1;
3120 return (struct bfd_hash_entry *) ret;
3123 /* Create an sh64 ELF linker hash table. */
3125 static struct bfd_link_hash_table *
3126 sh64_elf64_link_hash_table_create (bfd *abfd)
3128 struct elf_sh64_link_hash_table *ret;
3130 ret = ((struct elf_sh64_link_hash_table *)
3131 bfd_malloc (sizeof (struct elf_sh64_link_hash_table)));
3132 if (ret == (struct elf_sh64_link_hash_table *) NULL)
3135 if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
3136 sh64_elf64_link_hash_newfunc,
3137 sizeof (struct elf_sh64_link_hash_entry)))
3143 return &ret->root.root;
3147 movi_shori_putval (bfd *output_bfd, unsigned long value, bfd_byte *addr)
3149 bfd_put_32 (output_bfd,
3150 bfd_get_32 (output_bfd, addr)
3151 | ((value >> 6) & 0x3fffc00),
3153 bfd_put_32 (output_bfd,
3154 bfd_get_32 (output_bfd, addr + 4)
3155 | ((value << 10) & 0x3fffc00),
3160 movi_3shori_putval (bfd *output_bfd, bfd_vma value, bfd_byte *addr)
3162 bfd_put_32 (output_bfd,
3163 bfd_get_32 (output_bfd, addr)
3164 | ((value >> 38) & 0x3fffc00),
3166 bfd_put_32 (output_bfd,
3167 bfd_get_32 (output_bfd, addr + 4)
3168 | ((value >> 22) & 0x3fffc00),
3170 bfd_put_32 (output_bfd,
3171 bfd_get_32 (output_bfd, addr + 8)
3172 | ((value >> 6) & 0x3fffc00),
3174 bfd_put_32 (output_bfd,
3175 bfd_get_32 (output_bfd, addr + 12)
3176 | ((value << 10) & 0x3fffc00),
3180 /* Create dynamic sections when linking against a dynamic object. */
3183 sh64_elf64_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
3185 flagword flags, pltflags;
3186 register asection *s;
3187 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
3190 switch (bed->s->arch_size)
3201 bfd_set_error (bfd_error_bad_value);
3205 /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and
3206 .rel[a].bss sections. */
3208 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
3209 | SEC_LINKER_CREATED);
3212 pltflags |= SEC_CODE;
3213 if (bed->plt_not_loaded)
3214 pltflags &= ~ (SEC_LOAD | SEC_HAS_CONTENTS);
3215 if (bed->plt_readonly)
3216 pltflags |= SEC_READONLY;
3218 s = bfd_make_section_with_flags (abfd, ".plt", pltflags);
3220 || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
3223 if (bed->want_plt_sym)
3225 /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
3227 struct elf_link_hash_entry *h;
3228 struct bfd_link_hash_entry *bh = NULL;
3230 if (! (_bfd_generic_link_add_one_symbol
3231 (info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s,
3232 (bfd_vma) 0, (const char *) NULL, FALSE, bed->collect, &bh)))
3235 h = (struct elf_link_hash_entry *) bh;
3237 h->type = STT_OBJECT;
3238 elf_hash_table (info)->hplt = h;
3241 && ! bfd_elf_link_record_dynamic_symbol (info, h))
3245 s = bfd_make_section_with_flags (abfd,
3246 bed->default_use_rela_p ? ".rela.plt" : ".rel.plt",
3247 flags | SEC_READONLY);
3249 || ! bfd_set_section_alignment (abfd, s, ptralign))
3252 if (! _bfd_elf_create_got_section (abfd, info))
3256 const char *secname;
3261 for (sec = abfd->sections; sec; sec = sec->next)
3263 secflags = bfd_get_section_flags (abfd, sec);
3264 if ((secflags & (SEC_DATA | SEC_LINKER_CREATED))
3265 || ((secflags & SEC_HAS_CONTENTS) != SEC_HAS_CONTENTS))
3267 secname = bfd_get_section_name (abfd, sec);
3268 relname = (char *) bfd_malloc (strlen (secname) + 6);
3269 strcpy (relname, ".rela");
3270 strcat (relname, secname);
3271 s = bfd_make_section_with_flags (abfd, relname,
3272 flags | SEC_READONLY);
3274 || ! bfd_set_section_alignment (abfd, s, ptralign))
3279 if (bed->want_dynbss)
3281 /* The .dynbss section is a place to put symbols which are defined
3282 by dynamic objects, are referenced by regular objects, and are
3283 not functions. We must allocate space for them in the process
3284 image and use a R_*_COPY reloc to tell the dynamic linker to
3285 initialize them at run time. The linker script puts the .dynbss
3286 section into the .bss section of the final image. */
3287 s = bfd_make_section_with_flags (abfd, ".dynbss",
3288 SEC_ALLOC | SEC_LINKER_CREATED);
3292 /* The .rel[a].bss section holds copy relocs. This section is not
3293 normally needed. We need to create it here, though, so that the
3294 linker will map it to an output section. We can't just create it
3295 only if we need it, because we will not know whether we need it
3296 until we have seen all the input files, and the first time the
3297 main linker code calls BFD after examining all the input files
3298 (size_dynamic_sections) the input sections have already been
3299 mapped to the output sections. If the section turns out not to
3300 be needed, we can discard it later. We will never need this
3301 section when generating a shared object, since they do not use
3305 s = bfd_make_section_with_flags (abfd,
3306 (bed->default_use_rela_p
3307 ? ".rela.bss" : ".rel.bss"),
3308 flags | SEC_READONLY);
3310 || ! bfd_set_section_alignment (abfd, s, ptralign))
3318 /* Adjust a symbol defined by a dynamic object and referenced by a
3319 regular object. The current definition is in some section of the
3320 dynamic object, but we're not including those sections. We have to
3321 change the definition to something the rest of the link can
3325 sh64_elf64_adjust_dynamic_symbol (struct bfd_link_info *info,
3326 struct elf_link_hash_entry *h)
3331 dynobj = elf_hash_table (info)->dynobj;
3333 /* Make sure we know what is going on here. */
3334 BFD_ASSERT (dynobj != NULL
3336 || h->u.weakdef != NULL
3339 && !h->def_regular)));
3341 /* If this is a function, put it in the procedure linkage table. We
3342 will fill in the contents of the procedure linkage table later,
3343 when we know the address of the .got section. */
3344 if (h->type == STT_FUNC
3351 /* This case can occur if we saw a PLT reloc in an input
3352 file, but the symbol was never referred to by a dynamic
3353 object. In such a case, we don't actually need to build
3354 a procedure linkage table, and we can just do a REL64
3356 BFD_ASSERT (h->needs_plt);
3360 /* Make sure this symbol is output as a dynamic symbol. */
3361 if (h->dynindx == -1)
3363 if (! bfd_elf_link_record_dynamic_symbol (info, h))
3367 s = bfd_get_section_by_name (dynobj, ".plt");
3368 BFD_ASSERT (s != NULL);
3370 /* If this is the first .plt entry, make room for the special
3373 s->size += PLT_ENTRY_SIZE;
3375 /* If this symbol is not defined in a regular file, and we are
3376 not generating a shared library, then set the symbol to this
3377 location in the .plt. This is required to make function
3378 pointers compare as equal between the normal executable and
3379 the shared library. */
3383 h->root.u.def.section = s;
3384 h->root.u.def.value = s->size;
3387 h->plt.offset = s->size;
3389 /* Make room for this entry. */
3390 s->size += elf_sh64_sizeof_plt (info);
3392 /* We also need to make an entry in the .got.plt section, which
3393 will be placed in the .got section by the linker script. */
3395 s = bfd_get_section_by_name (dynobj, ".got.plt");
3396 BFD_ASSERT (s != NULL);
3399 /* We also need to make an entry in the .rela.plt section. */
3401 s = bfd_get_section_by_name (dynobj, ".rela.plt");
3402 BFD_ASSERT (s != NULL);
3403 s->size += sizeof (Elf64_External_Rela);
3408 /* If this is a weak symbol, and there is a real definition, the
3409 processor independent code will have arranged for us to see the
3410 real definition first, and we can just use the same value. */
3411 if (h->u.weakdef != NULL)
3413 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
3414 || h->u.weakdef->root.type == bfd_link_hash_defweak);
3415 h->root.u.def.section = h->u.weakdef->root.u.def.section;
3416 h->root.u.def.value = h->u.weakdef->root.u.def.value;
3420 /* This is a reference to a symbol defined by a dynamic object which
3421 is not a function. */
3423 /* If we are creating a shared library, we must presume that the
3424 only references to the symbol are via the global offset table.
3425 For such cases we need not do anything here; the relocations will
3426 be handled correctly by relocate_section. */
3430 /* If there are no references to this symbol that do not use the
3431 GOT, we don't need to generate a copy reloc. */
3432 if (!h->non_got_ref)
3437 (*_bfd_error_handler) (_("dynamic variable `%s' is zero size"),
3438 h->root.root.string);
3442 /* We must allocate the symbol in our .dynbss section, which will
3443 become part of the .bss section of the executable. There will be
3444 an entry for this symbol in the .dynsym section. The dynamic
3445 object will contain position independent code, so all references
3446 from the dynamic object to this symbol will go through the global
3447 offset table. The dynamic linker will use the .dynsym entry to
3448 determine the address it must put in the global offset table, so
3449 both the dynamic object and the regular object will refer to the
3450 same memory location for the variable. */
3452 s = bfd_get_section_by_name (dynobj, ".dynbss");
3453 BFD_ASSERT (s != NULL);
3455 /* We must generate a R_SH_COPY reloc to tell the dynamic linker to
3456 copy the initial value out of the dynamic object and into the
3457 runtime process image. We need to remember the offset into the
3458 .rela.bss section we are going to use. */
3459 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
3463 srel = bfd_get_section_by_name (dynobj, ".rela.bss");
3464 BFD_ASSERT (srel != NULL);
3465 srel->size += sizeof (Elf64_External_Rela);
3469 return _bfd_elf_adjust_dynamic_copy (h, s);
3472 /* This function is called via sh_elf_link_hash_traverse if we are
3473 creating a shared object with -Bsymbolic. It discards the space
3474 allocated to copy PC relative relocs against symbols which are
3475 defined in regular objects. We allocated space for them in the
3476 check_relocs routine, but we won't fill them in in the
3477 relocate_section routine. */
3480 sh64_elf64_discard_copies (struct elf_sh64_link_hash_entry *h,
3481 void *ignore ATTRIBUTE_UNUSED)
3483 struct elf_sh64_pcrel_relocs_copied *s;
3485 if (h->root.root.type == bfd_link_hash_warning)
3486 h = (struct elf_sh64_link_hash_entry *) h->root.root.u.i.link;
3488 /* We only discard relocs for symbols defined in a regular object. */
3489 if (!h->root.def_regular)
3492 for (s = h->pcrel_relocs_copied; s != NULL; s = s->next)
3493 s->section->size -= s->count * sizeof (Elf64_External_Rela);
3498 /* Set the sizes of the dynamic sections. */
3501 sh64_elf64_size_dynamic_sections (bfd *output_bfd,
3502 struct bfd_link_info *info)
3508 bfd_boolean reltext;
3510 dynobj = elf_hash_table (info)->dynobj;
3511 BFD_ASSERT (dynobj != NULL);
3513 if (elf_hash_table (info)->dynamic_sections_created)
3515 /* Set the contents of the .interp section to the interpreter. */
3516 if (info->executable)
3518 s = bfd_get_section_by_name (dynobj, ".interp");
3519 BFD_ASSERT (s != NULL);
3520 s->size = sizeof ELF_DYNAMIC_INTERPRETER;
3521 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
3526 /* We may have created entries in the .rela.got section.
3527 However, if we are not creating the dynamic sections, we will
3528 not actually use these entries. Reset the size of .rela.got,
3529 which will cause it to get stripped from the output file
3531 s = bfd_get_section_by_name (dynobj, ".rela.got");
3536 /* If this is a -Bsymbolic shared link, then we need to discard all
3537 PC relative relocs against symbols defined in a regular object.
3538 We allocated space for them in the check_relocs routine, but we
3539 will not fill them in in the relocate_section routine. */
3540 if (info->shared && info->symbolic)
3541 sh64_elf64_link_hash_traverse (sh64_elf64_hash_table (info),
3542 sh64_elf64_discard_copies, NULL);
3544 /* The check_relocs and adjust_dynamic_symbol entry points have
3545 determined the sizes of the various dynamic sections. Allocate
3550 for (s = dynobj->sections; s != NULL; s = s->next)
3554 if ((s->flags & SEC_LINKER_CREATED) == 0)
3557 /* It's OK to base decisions on the section name, because none
3558 of the dynobj section names depend upon the input files. */
3559 name = bfd_get_section_name (dynobj, s);
3561 if (strcmp (name, ".plt") == 0)
3563 /* Remember whether there is a PLT. */
3566 else if (CONST_STRNEQ (name, ".rela"))
3572 /* Remember whether there are any reloc sections other
3574 if (strcmp (name, ".rela.plt") != 0)
3576 const char *outname;
3580 /* If this relocation section applies to a read only
3581 section, then we probably need a DT_TEXTREL
3582 entry. The entries in the .rela.plt section
3583 really apply to the .got section, which we
3584 created ourselves and so know is not readonly. */
3585 outname = bfd_get_section_name (output_bfd,
3587 target = bfd_get_section_by_name (output_bfd, outname + 5);
3589 && (target->flags & SEC_READONLY) != 0
3590 && (target->flags & SEC_ALLOC) != 0)
3594 /* We use the reloc_count field as a counter if we need
3595 to copy relocs into the output file. */
3599 else if (! CONST_STRNEQ (name, ".got")
3600 && strcmp (name, ".dynbss") != 0)
3602 /* It's not one of our sections, so don't allocate space. */
3608 /* If we don't need this section, strip it from the
3609 output file. This is mostly to handle .rela.bss and
3610 .rela.plt. We must create both sections in
3611 create_dynamic_sections, because they must be created
3612 before the linker maps input sections to output
3613 sections. The linker does that before
3614 adjust_dynamic_symbol is called, and it is that
3615 function which decides whether anything needs to go
3616 into these sections. */
3617 s->flags |= SEC_EXCLUDE;
3621 if ((s->flags & SEC_HAS_CONTENTS) == 0)
3624 /* Allocate memory for the section contents. */
3625 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
3626 if (s->contents == NULL)
3630 if (elf_hash_table (info)->dynamic_sections_created)
3632 /* Add some entries to the .dynamic section. We fill in the
3633 values later, in sh64_elf64_finish_dynamic_sections, but we
3634 must add the entries now so that we get the correct size for
3635 the .dynamic section. The DT_DEBUG entry is filled in by the
3636 dynamic linker and used by the debugger. */
3637 if (info->executable)
3639 if (!_bfd_elf_add_dynamic_entry (info, DT_DEBUG, 0))
3645 if (!_bfd_elf_add_dynamic_entry (info, DT_PLTGOT, 0)
3646 || !_bfd_elf_add_dynamic_entry (info, DT_PLTRELSZ, 0)
3647 || !_bfd_elf_add_dynamic_entry (info, DT_PLTREL, DT_RELA)
3648 || !_bfd_elf_add_dynamic_entry (info, DT_JMPREL, 0))
3654 if (!_bfd_elf_add_dynamic_entry (info, DT_RELA, 0)
3655 || !_bfd_elf_add_dynamic_entry (info, DT_RELASZ, 0)
3656 || !_bfd_elf_add_dynamic_entry (info, DT_RELAENT,
3657 sizeof (Elf64_External_Rela)))
3663 if (!_bfd_elf_add_dynamic_entry (info, DT_TEXTREL, 0))
3671 /* Finish up dynamic symbol handling. We set the contents of various
3672 dynamic sections here. */
3675 sh64_elf64_finish_dynamic_symbol (bfd *output_bfd,
3676 struct bfd_link_info *info,
3677 struct elf_link_hash_entry *h,
3678 Elf_Internal_Sym *sym)
3682 dynobj = elf_hash_table (info)->dynobj;
3684 if (h->plt.offset != (bfd_vma) -1)
3692 Elf_Internal_Rela rel;
3695 /* This symbol has an entry in the procedure linkage table. Set
3698 BFD_ASSERT (h->dynindx != -1);
3700 splt = bfd_get_section_by_name (dynobj, ".plt");
3701 sgot = bfd_get_section_by_name (dynobj, ".got.plt");
3702 srel = bfd_get_section_by_name (dynobj, ".rela.plt");
3703 BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL);
3705 /* Get the index in the procedure linkage table which
3706 corresponds to this symbol. This is the index of this symbol
3707 in all the symbols for which we are making plt entries. The
3708 first entry in the procedure linkage table is reserved. */
3709 plt_index = h->plt.offset / elf_sh64_sizeof_plt (info) - 1;
3711 /* Get the offset into the .got table of the entry that
3712 corresponds to this function. Each .got entry is 8 bytes.
3713 The first three are reserved. */
3714 got_offset = (plt_index + 3) * 8;
3717 got_offset -= GOT_BIAS;
3719 /* Fill in the entry in the procedure linkage table. */
3722 if (elf_sh64_plt_entry == NULL)
3724 elf_sh64_plt_entry = (bfd_big_endian (output_bfd) ?
3725 elf_sh64_plt_entry_be : elf_sh64_plt_entry_le);
3727 memcpy (splt->contents + h->plt.offset, elf_sh64_plt_entry,
3728 elf_sh64_sizeof_plt (info));
3729 movi_3shori_putval (output_bfd,
3730 (sgot->output_section->vma
3731 + sgot->output_offset
3733 (splt->contents + h->plt.offset
3734 + elf_sh64_plt_symbol_offset (info)));
3736 /* Set bottom bit because its for a branch to SHmedia */
3737 movi_shori_putval (output_bfd,
3739 + elf_sh64_plt_plt0_offset (info) + 8)
3741 (splt->contents + h->plt.offset
3742 + elf_sh64_plt_plt0_offset (info)));
3746 if (elf_sh64_pic_plt_entry == NULL)
3748 elf_sh64_pic_plt_entry = (bfd_big_endian (output_bfd) ?
3749 elf_sh64_pic_plt_entry_be :
3750 elf_sh64_pic_plt_entry_le);
3752 memcpy (splt->contents + h->plt.offset, elf_sh64_pic_plt_entry,
3753 elf_sh64_sizeof_plt (info));
3754 movi_shori_putval (output_bfd, got_offset,
3755 (splt->contents + h->plt.offset
3756 + elf_sh64_plt_symbol_offset (info)));
3760 got_offset += GOT_BIAS;
3762 movi_shori_putval (output_bfd,
3763 plt_index * sizeof (Elf64_External_Rela),
3764 (splt->contents + h->plt.offset
3765 + elf_sh64_plt_reloc_offset (info)));
3767 /* Fill in the entry in the global offset table. */
3768 bfd_put_64 (output_bfd,
3769 (splt->output_section->vma
3770 + splt->output_offset
3772 + elf_sh64_plt_temp_offset (info)),
3773 sgot->contents + got_offset);
3775 /* Fill in the entry in the .rela.plt section. */
3776 rel.r_offset = (sgot->output_section->vma
3777 + sgot->output_offset
3779 rel.r_info = ELF64_R_INFO (h->dynindx, R_SH_JMP_SLOT64);
3781 rel.r_addend = GOT_BIAS;
3782 loc = srel->contents + plt_index * sizeof (Elf64_External_Rela);
3783 bfd_elf64_swap_reloca_out (output_bfd, &rel, loc);
3785 if (!h->def_regular)
3787 /* Mark the symbol as undefined, rather than as defined in
3788 the .plt section. Leave the value alone. */
3789 sym->st_shndx = SHN_UNDEF;
3793 if (h->got.offset != (bfd_vma) -1)
3797 Elf_Internal_Rela rel;
3800 /* This symbol has an entry in the global offset table. Set it
3803 sgot = bfd_get_section_by_name (dynobj, ".got");
3804 srel = bfd_get_section_by_name (dynobj, ".rela.got");
3805 BFD_ASSERT (sgot != NULL && srel != NULL);
3807 rel.r_offset = (sgot->output_section->vma
3808 + sgot->output_offset
3809 + (h->got.offset &~ 1));
3811 /* If this is a -Bsymbolic link, and the symbol is defined
3812 locally, we just want to emit a RELATIVE reloc. Likewise if
3813 the symbol was forced to be local because of a version file.
3814 The entry in the global offset table will already have been
3815 initialized in the relocate_section function. */
3817 && (info->symbolic || h->dynindx == -1)
3820 rel.r_info = ELF64_R_INFO (0, R_SH_RELATIVE64);
3821 rel.r_addend = (h->root.u.def.value
3822 + h->root.u.def.section->output_section->vma
3823 + h->root.u.def.section->output_offset);
3827 bfd_put_64 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
3828 rel.r_info = ELF64_R_INFO (h->dynindx, R_SH_GLOB_DAT64);
3832 loc = srel->contents;
3833 loc += srel->reloc_count++ * sizeof (Elf64_External_Rela);
3834 bfd_elf64_swap_reloca_out (output_bfd, &rel, loc);
3840 Elf_Internal_Rela rel;
3843 /* This symbol needs a copy reloc. Set it up. */
3845 BFD_ASSERT (h->dynindx != -1
3846 && (h->root.type == bfd_link_hash_defined
3847 || h->root.type == bfd_link_hash_defweak));
3849 s = bfd_get_section_by_name (h->root.u.def.section->owner,
3851 BFD_ASSERT (s != NULL);
3853 rel.r_offset = (h->root.u.def.value
3854 + h->root.u.def.section->output_section->vma
3855 + h->root.u.def.section->output_offset);
3856 rel.r_info = ELF64_R_INFO (h->dynindx, R_SH_COPY64);
3859 loc += s->reloc_count++ * sizeof (Elf64_External_Rela);
3860 bfd_elf64_swap_reloca_out (output_bfd, &rel, loc);
3863 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */
3864 if (strcmp (h->root.root.string, "_DYNAMIC") == 0
3865 || h == elf_hash_table (info)->hgot)
3866 sym->st_shndx = SHN_ABS;
3871 /* Finish up the dynamic sections. */
3874 sh64_elf64_finish_dynamic_sections (bfd *output_bfd,
3875 struct bfd_link_info *info)
3881 dynobj = elf_hash_table (info)->dynobj;
3883 sgot = bfd_get_section_by_name (dynobj, ".got.plt");
3884 BFD_ASSERT (sgot != NULL);
3885 sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
3887 if (elf_hash_table (info)->dynamic_sections_created)
3890 Elf64_External_Dyn *dyncon, *dynconend;
3892 BFD_ASSERT (sdyn != NULL);
3894 dyncon = (Elf64_External_Dyn *) sdyn->contents;
3895 dynconend = (Elf64_External_Dyn *) (sdyn->contents + sdyn->size);
3896 for (; dyncon < dynconend; dyncon++)
3898 Elf_Internal_Dyn dyn;
3901 struct elf_link_hash_entry *h;
3903 bfd_elf64_swap_dyn_in (dynobj, dyncon, &dyn);
3911 name = info->init_function;
3915 name = info->fini_function;
3917 if (dyn.d_un.d_val != 0)
3919 h = elf_link_hash_lookup (elf_hash_table (info), name,
3920 FALSE, FALSE, TRUE);
3921 if (h != NULL && (h->other & STO_SH5_ISA32))
3923 dyn.d_un.d_val |= 1;
3924 bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon);
3936 s = bfd_get_section_by_name (output_bfd, name);
3937 BFD_ASSERT (s != NULL);
3938 dyn.d_un.d_ptr = s->vma;
3939 bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon);
3943 s = bfd_get_section_by_name (output_bfd, ".rela.plt");
3944 BFD_ASSERT (s != NULL);
3945 dyn.d_un.d_val = s->size;
3946 bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon);
3950 /* My reading of the SVR4 ABI indicates that the
3951 procedure linkage table relocs (DT_JMPREL) should be
3952 included in the overall relocs (DT_RELA). This is
3953 what Solaris does. However, UnixWare can not handle
3954 that case. Therefore, we override the DT_RELASZ entry
3955 here to make it not include the JMPREL relocs. Since
3956 the linker script arranges for .rela.plt to follow all
3957 other relocation sections, we don't have to worry
3958 about changing the DT_RELA entry. */
3959 s = bfd_get_section_by_name (output_bfd, ".rela.plt");
3961 dyn.d_un.d_val -= s->size;
3962 bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon);
3967 /* Fill in the first entry in the procedure linkage table. */
3968 splt = bfd_get_section_by_name (dynobj, ".plt");
3969 if (splt && splt->size > 0)
3973 if (elf_sh64_pic_plt_entry == NULL)
3975 elf_sh64_pic_plt_entry = (bfd_big_endian (output_bfd) ?
3976 elf_sh64_pic_plt_entry_be :
3977 elf_sh64_pic_plt_entry_le);
3979 memcpy (splt->contents, elf_sh64_pic_plt_entry,
3980 elf_sh64_sizeof_plt (info));
3984 if (elf_sh64_plt0_entry == NULL)
3986 elf_sh64_plt0_entry = (bfd_big_endian (output_bfd) ?
3987 elf_sh64_plt0_entry_be :
3988 elf_sh64_plt0_entry_le);
3990 memcpy (splt->contents, elf_sh64_plt0_entry, PLT_ENTRY_SIZE);
3991 movi_3shori_putval (output_bfd,
3992 sgot->output_section->vma
3993 + sgot->output_offset,
3995 + elf_sh64_plt0_gotplt_offset (info));
3998 /* UnixWare sets the entsize of .plt to 8, although that doesn't
3999 really seem like the right value. */
4000 elf_section_data (splt->output_section)->this_hdr.sh_entsize = 8;
4004 /* Fill in the first three entries in the global offset table. */
4008 bfd_put_64 (output_bfd, (bfd_vma) 0, sgot->contents);
4010 bfd_put_64 (output_bfd,
4011 sdyn->output_section->vma + sdyn->output_offset,
4013 bfd_put_64 (output_bfd, (bfd_vma) 0, sgot->contents + 8);
4014 bfd_put_64 (output_bfd, (bfd_vma) 0, sgot->contents + 16);
4017 elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 8;
4022 /* Merge non visibility st_other attribute when the symbol comes from
4023 a dynamic object. */
4025 sh64_elf64_merge_symbol_attribute (struct elf_link_hash_entry *h,
4026 const Elf_Internal_Sym *isym,
4027 bfd_boolean definition,
4028 bfd_boolean dynamic ATTRIBUTE_UNUSED)
4030 if ((isym->st_other & ~ELF_ST_VISIBILITY (-1)) != 0)
4032 unsigned char other;
4034 /* Take the balance of OTHER from the definition. */
4035 other = (definition ? isym->st_other : h->other);
4036 other &= ~ ELF_ST_VISIBILITY (-1);
4037 h->other = other | ELF_ST_VISIBILITY (h->other);
4043 static const struct bfd_elf_special_section sh64_elf64_special_sections[]=
4045 { STRING_COMMA_LEN (".cranges"), 0, SHT_PROGBITS, 0 },
4046 { NULL, 0, 0, 0, 0 }
4049 #define TARGET_BIG_SYM bfd_elf64_sh64_vec
4050 #define TARGET_BIG_NAME "elf64-sh64"
4051 #define TARGET_LITTLE_SYM bfd_elf64_sh64l_vec
4052 #define TARGET_LITTLE_NAME "elf64-sh64l"
4053 #define ELF_ARCH bfd_arch_sh
4054 #define ELF_MACHINE_CODE EM_SH
4055 #define ELF_MAXPAGESIZE 128
4057 #define elf_symbol_leading_char '_'
4059 #define bfd_elf64_bfd_reloc_type_lookup sh_elf64_reloc_type_lookup
4060 #define bfd_elf64_bfd_reloc_name_lookup \
4061 sh_elf64_reloc_name_lookup
4062 #define elf_info_to_howto sh_elf64_info_to_howto
4064 /* Note: there's no relaxation at present. */
4066 #define elf_backend_relocate_section sh_elf64_relocate_section
4067 #define bfd_elf64_bfd_get_relocated_section_contents \
4068 sh_elf64_get_relocated_section_contents
4069 #define elf_backend_object_p sh_elf64_set_mach_from_flags
4070 #define bfd_elf64_bfd_set_private_flags \
4071 sh_elf64_set_private_flags
4072 #define bfd_elf64_bfd_copy_private_bfd_data \
4073 sh_elf64_copy_private_data
4074 #define bfd_elf64_bfd_merge_private_bfd_data \
4075 sh_elf64_merge_private_data
4076 #define elf_backend_fake_sections sh64_elf64_fake_sections
4078 #define elf_backend_gc_mark_hook sh_elf64_gc_mark_hook
4079 #define elf_backend_check_relocs sh_elf64_check_relocs
4081 #define elf_backend_can_gc_sections 1
4083 #define elf_backend_get_symbol_type sh64_elf64_get_symbol_type
4085 #define elf_backend_add_symbol_hook sh64_elf64_add_symbol_hook
4087 #define elf_backend_link_output_symbol_hook \
4088 sh64_elf64_link_output_symbol_hook
4090 #define elf_backend_merge_symbol_attribute \
4091 sh64_elf64_merge_symbol_attribute
4093 #define elf_backend_final_write_processing \
4094 sh64_elf64_final_write_processing
4096 #define elf_backend_create_dynamic_sections \
4097 sh64_elf64_create_dynamic_sections
4098 #define bfd_elf64_bfd_link_hash_table_create \
4099 sh64_elf64_link_hash_table_create
4100 #define elf_backend_adjust_dynamic_symbol \
4101 sh64_elf64_adjust_dynamic_symbol
4102 #define elf_backend_size_dynamic_sections \
4103 sh64_elf64_size_dynamic_sections
4104 #define elf_backend_omit_section_dynsym \
4105 ((bfd_boolean (*) (bfd *, struct bfd_link_info *, asection *)) bfd_true)
4106 #define elf_backend_finish_dynamic_symbol \
4107 sh64_elf64_finish_dynamic_symbol
4108 #define elf_backend_finish_dynamic_sections \
4109 sh64_elf64_finish_dynamic_sections
4110 #define elf_backend_special_sections sh64_elf64_special_sections
4112 #define elf_backend_want_got_plt 1
4113 #define elf_backend_plt_readonly 1
4114 #define elf_backend_want_plt_sym 0
4115 #define elf_backend_got_header_size 24
4117 #include "elf64-target.h"
4119 /* NetBSD support. */
4120 #undef TARGET_BIG_SYM
4121 #define TARGET_BIG_SYM bfd_elf64_sh64nbsd_vec
4122 #undef TARGET_BIG_NAME
4123 #define TARGET_BIG_NAME "elf64-sh64-nbsd"
4124 #undef TARGET_LITTLE_SYM
4125 #define TARGET_LITTLE_SYM bfd_elf64_sh64lnbsd_vec
4126 #undef TARGET_LITTLE_NAME
4127 #define TARGET_LITTLE_NAME "elf64-sh64l-nbsd"
4128 #undef ELF_MAXPAGESIZE
4129 #define ELF_MAXPAGESIZE 0x10000
4130 #undef elf_symbol_leading_char
4131 #define elf_symbol_leading_char 0
4133 #define elf64_bed elf64_sh64_nbsd_bed
4135 #include "elf64-target.h"
4137 /* Linux support. */
4138 #undef TARGET_BIG_SYM
4139 #define TARGET_BIG_SYM bfd_elf64_sh64blin_vec
4140 #undef TARGET_BIG_NAME
4141 #define TARGET_BIG_NAME "elf64-sh64big-linux"
4142 #undef TARGET_LITTLE_SYM
4143 #define TARGET_LITTLE_SYM bfd_elf64_sh64lin_vec
4144 #undef TARGET_LITTLE_NAME
4145 #define TARGET_LITTLE_NAME "elf64-sh64-linux"
4147 #define elf64_bed elf64_sh64_linux_bed
4149 #include "elf64-target.h"