1 /* SuperH SH64-specific support for 64-bit ELF
2 Copyright 2000, 2001, 2002, 2003, 2004, 2005, 2006
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 /* Given an ELF reloc, fill in the howto field of a relent.
1397 See sh_elf_info_to_howto in elf32-sh.c for the original. */
1400 sh_elf64_info_to_howto (bfd
*abfd ATTRIBUTE_UNUSED
, arelent
*cache_ptr
,
1401 Elf_Internal_Rela
*dst
)
1405 r
= ELF64_R_TYPE (dst
->r_info
);
1407 BFD_ASSERT (r
<= (unsigned int) R_SH_64_PCREL
);
1408 BFD_ASSERT (r
< R_SH_FIRST_INVALID_RELOC
|| r
> R_SH_LAST_INVALID_RELOC
);
1409 BFD_ASSERT (r
< R_SH_DIR8WPN
|| r
> R_SH_LAST_INVALID_RELOC_2
);
1410 BFD_ASSERT (r
< R_SH_FIRST_INVALID_RELOC_3
|| r
> R_SH_GOTPLT32
);
1411 BFD_ASSERT (r
< R_SH_FIRST_INVALID_RELOC_4
|| r
> R_SH_LAST_INVALID_RELOC_4
);
1413 cache_ptr
->howto
= &sh_elf64_howto_table
[r
];
1416 /* Relocate an SH ELF section.
1418 See sh_elf_info_to_howto in elf32-sh.c for the original. */
1421 sh_elf64_relocate_section (bfd
*output_bfd ATTRIBUTE_UNUSED
,
1422 struct bfd_link_info
*info
, bfd
*input_bfd
,
1423 asection
*input_section
, bfd_byte
*contents
,
1424 Elf_Internal_Rela
*relocs
,
1425 Elf_Internal_Sym
*local_syms
,
1426 asection
**local_sections
)
1428 Elf_Internal_Shdr
*symtab_hdr
;
1429 struct elf_link_hash_entry
**sym_hashes
;
1430 Elf_Internal_Rela
*rel
, *relend
;
1432 bfd_vma
*local_got_offsets
;
1437 bfd_vma disp
, dropped
;
1439 symtab_hdr
= &elf_tdata (input_bfd
)->symtab_hdr
;
1440 sym_hashes
= elf_sym_hashes (input_bfd
);
1441 dynobj
= elf_hash_table (info
)->dynobj
;
1442 local_got_offsets
= elf_local_got_offsets (input_bfd
);
1450 relend
= relocs
+ input_section
->reloc_count
;
1451 for (; rel
< relend
; rel
++)
1454 reloc_howto_type
*howto
;
1455 unsigned long r_symndx
;
1456 Elf_Internal_Sym
*sym
;
1458 struct elf_link_hash_entry
*h
;
1460 bfd_vma addend
= (bfd_vma
)0;
1461 bfd_reloc_status_type r
;
1462 int seen_stt_datalabel
= 0;
1464 r_symndx
= ELF64_R_SYM (rel
->r_info
);
1466 r_type
= ELF64_R_TYPE (rel
->r_info
);
1468 if (r_type
== (int) R_SH_NONE
)
1472 || r_type
> R_SH_64_PCREL
1473 || (r_type
>= (int) R_SH_FIRST_INVALID_RELOC
1474 && r_type
<= (int) R_SH_LAST_INVALID_RELOC
)
1475 || (r_type
>= (int) R_SH_DIR8WPN
1476 && r_type
<= (int) R_SH_LAST_INVALID_RELOC
)
1477 || (r_type
>= (int) R_SH_GNU_VTINHERIT
1478 && r_type
<= (int) R_SH_PSHL
)
1479 || (r_type
>= (int) R_SH_FIRST_INVALID_RELOC_2
1480 && r_type
<= R_SH_GOTPLT32
)
1481 || (r_type
>= (int) R_SH_FIRST_INVALID_RELOC_4
1482 && r_type
<= (int) R_SH_LAST_INVALID_RELOC_4
))
1484 bfd_set_error (bfd_error_bad_value
);
1488 howto
= sh_elf64_howto_table
+ r_type
;
1490 /* This is a final link. */
1494 if (r_symndx
< symtab_hdr
->sh_info
)
1496 sym
= local_syms
+ r_symndx
;
1497 sec
= local_sections
[r_symndx
];
1498 relocation
= ((sec
->output_section
->vma
1499 + sec
->output_offset
1501 | ((sym
->st_other
& STO_SH5_ISA32
) != 0));
1503 /* A local symbol never has STO_SH5_ISA32, so we don't need
1504 datalabel processing here. Make sure this does not change
1506 if ((sym
->st_other
& STO_SH5_ISA32
) != 0)
1507 ((*info
->callbacks
->reloc_dangerous
)
1509 _("Unexpected STO_SH5_ISA32 on local symbol is not handled"),
1510 input_bfd
, input_section
, rel
->r_offset
));
1512 if (info
->relocatable
)
1514 /* This is a relocatable link. We don't have to change
1515 anything, unless the reloc is against a section symbol,
1516 in which case we have to adjust according to where the
1517 section symbol winds up in the output section. */
1518 sym
= local_syms
+ r_symndx
;
1519 if (ELF_ST_TYPE (sym
->st_info
) == STT_SECTION
)
1520 goto final_link_relocate
;
1524 else if (! howto
->partial_inplace
)
1526 relocation
= _bfd_elf_rela_local_sym (output_bfd
, sym
, &sec
, rel
);
1527 relocation
|= ((sym
->st_other
& STO_SH5_ISA32
) != 0);
1529 else if ((sec
->flags
& SEC_MERGE
)
1530 && ELF_ST_TYPE (sym
->st_info
) == STT_SECTION
)
1534 if (howto
->rightshift
|| howto
->src_mask
!= 0xffffffff)
1536 (*_bfd_error_handler
)
1537 (_("%B(%A+0x%lx): %s relocation against SEC_MERGE section"),
1538 input_bfd
, input_section
,
1539 (long) rel
->r_offset
, howto
->name
);
1543 addend
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
1546 _bfd_elf_rel_local_sym (output_bfd
, sym
, &msec
, addend
)
1548 addend
+= msec
->output_section
->vma
+ msec
->output_offset
;
1549 bfd_put_32 (input_bfd
, addend
, contents
+ rel
->r_offset
);
1555 /* ??? Could we use the RELOC_FOR_GLOBAL_SYMBOL macro here ? */
1557 /* Section symbols are never (?) placed in the hash table, so
1558 we can just ignore hash relocations when creating a
1559 relocatable object file. */
1560 if (info
->relocatable
)
1563 h
= sym_hashes
[r_symndx
- symtab_hdr
->sh_info
];
1564 while (h
->root
.type
== bfd_link_hash_indirect
1565 || h
->root
.type
== bfd_link_hash_warning
)
1567 /* If the reference passes a symbol marked with
1568 STT_DATALABEL, then any STO_SH5_ISA32 on the final value
1570 seen_stt_datalabel
|= h
->type
== STT_DATALABEL
;
1571 h
= (struct elf_link_hash_entry
*) h
->root
.u
.i
.link
;
1574 if (h
->root
.type
== bfd_link_hash_defined
1575 || h
->root
.type
== bfd_link_hash_defweak
)
1577 sec
= h
->root
.u
.def
.section
;
1578 /* In these cases, we don't need the relocation value.
1579 We check specially because in some obscure cases
1580 sec->output_section will be NULL. */
1581 if (r_type
== R_SH_GOTPC_LOW16
1582 || r_type
== R_SH_GOTPC_MEDLOW16
1583 || r_type
== R_SH_GOTPC_MEDHI16
1584 || r_type
== R_SH_GOTPC_HI16
1585 || ((r_type
== R_SH_PLT_LOW16
1586 || r_type
== R_SH_PLT_MEDLOW16
1587 || r_type
== R_SH_PLT_MEDHI16
1588 || r_type
== R_SH_PLT_HI16
)
1589 && h
->plt
.offset
!= (bfd_vma
) -1)
1590 || ((r_type
== R_SH_GOT_LOW16
1591 || r_type
== R_SH_GOT_MEDLOW16
1592 || r_type
== R_SH_GOT_MEDHI16
1593 || r_type
== R_SH_GOT_HI16
)
1594 && elf_hash_table (info
)->dynamic_sections_created
1596 || (! info
->symbolic
&& h
->dynindx
!= -1)
1597 || !h
->def_regular
))
1598 /* The cases above are those in which relocation is
1599 overwritten in the switch block below. The cases
1600 below are those in which we must defer relocation
1601 to run-time, because we can't resolve absolute
1602 addresses when creating a shared library. */
1604 && ((! info
->symbolic
&& h
->dynindx
!= -1)
1606 && ((r_type
== R_SH_64
1607 && !(ELF_ST_VISIBILITY (h
->other
) == STV_INTERNAL
1608 || ELF_ST_VISIBILITY (h
->other
) == STV_HIDDEN
))
1609 || r_type
== R_SH_64_PCREL
)
1610 && ((input_section
->flags
& SEC_ALLOC
) != 0
1611 /* DWARF will emit R_SH_DIR32 relocations in its
1612 sections against symbols defined externally
1613 in shared libraries. We can't do anything
1615 || (input_section
->flags
& SEC_DEBUGGING
) != 0))
1616 /* Dynamic relocs are not propagated for SEC_DEBUGGING
1617 sections because such sections are not SEC_ALLOC and
1618 thus ld.so will not process them. */
1619 || (sec
->output_section
== NULL
1620 && ((input_section
->flags
& SEC_DEBUGGING
) != 0
1621 && h
->def_dynamic
)))
1623 else if (sec
->output_section
== NULL
)
1625 (*_bfd_error_handler
)
1626 (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
1629 (long) rel
->r_offset
,
1631 h
->root
.root
.string
);
1635 relocation
= ((h
->root
.u
.def
.value
1636 + sec
->output_section
->vma
1637 + sec
->output_offset
)
1638 /* A STO_SH5_ISA32 causes a "bitor 1" to the
1639 symbol value, unless we've seen
1640 STT_DATALABEL on the way to it. */
1641 | ((h
->other
& STO_SH5_ISA32
) != 0
1642 && ! seen_stt_datalabel
));
1644 else if (h
->root
.type
== bfd_link_hash_undefweak
)
1646 else if (info
->unresolved_syms_in_objects
== RM_IGNORE
1647 && ELF_ST_VISIBILITY (h
->other
) == STV_DEFAULT
)
1651 if (! ((*info
->callbacks
->undefined_symbol
)
1652 (info
, h
->root
.root
.string
, input_bfd
,
1653 input_section
, rel
->r_offset
,
1654 (info
->unresolved_syms_in_objects
== RM_GENERATE_ERROR
1655 || ELF_ST_VISIBILITY (h
->other
)))))
1662 - input_section
->output_section
->vma
1663 - input_section
->output_offset
1666 switch ((int)r_type
)
1668 case R_SH_PT_16
: dropped
= disp
& 2; break;
1669 case R_SH_DIR10SW
: dropped
= disp
& 1; break;
1670 case R_SH_DIR10SL
: dropped
= disp
& 3; break;
1671 case R_SH_DIR10SQ
: dropped
= disp
& 7; break;
1675 (*_bfd_error_handler
)
1676 (_("%s: error: unaligned relocation type %d at %08x reloc %08x\n"),
1677 bfd_get_filename (input_bfd
), (int)r_type
, (unsigned)rel
->r_offset
, (unsigned)relocation
);
1678 bfd_set_error (bfd_error_bad_value
);
1681 switch ((int)r_type
)
1686 && (input_section
->flags
& SEC_ALLOC
) != 0
1687 && (r_type
!= R_SH_64_PCREL
1690 && (! info
->symbolic
1691 || !h
->def_regular
))))
1693 Elf_Internal_Rela outrel
;
1695 bfd_boolean skip
, relocate
;
1697 /* When generating a shared object, these relocations
1698 are copied into the output file to be resolved at run
1705 name
= (bfd_elf_string_from_elf_section
1707 elf_elfheader (input_bfd
)->e_shstrndx
,
1708 elf_section_data (input_section
)->rel_hdr
.sh_name
));
1712 BFD_ASSERT (CONST_STRNEQ (name
, ".rela")
1713 && strcmp (bfd_get_section_name (input_bfd
,
1717 sreloc
= bfd_get_section_by_name (dynobj
, name
);
1718 BFD_ASSERT (sreloc
!= NULL
);
1725 = _bfd_elf_section_offset (output_bfd
, info
,
1726 input_section
, rel
->r_offset
);
1728 if (outrel
.r_offset
== (bfd_vma
) -1)
1730 else if (outrel
.r_offset
== (bfd_vma
) -2)
1731 skip
= TRUE
, relocate
= TRUE
;
1733 outrel
.r_offset
+= (input_section
->output_section
->vma
1734 + input_section
->output_offset
);
1737 memset (&outrel
, 0, sizeof outrel
);
1738 else if (r_type
== R_SH_64_PCREL
)
1740 BFD_ASSERT (h
!= NULL
&& h
->dynindx
!= -1);
1741 outrel
.r_info
= ELF64_R_INFO (h
->dynindx
, R_SH_64_PCREL
);
1742 outrel
.r_addend
= rel
->r_addend
;
1746 /* h->dynindx may be -1 if this symbol was marked to
1749 || ((info
->symbolic
|| h
->dynindx
== -1)
1753 outrel
.r_info
= ELF64_R_INFO (0, R_SH_RELATIVE64
);
1754 outrel
.r_addend
= relocation
+ rel
->r_addend
;
1758 BFD_ASSERT (h
->dynindx
!= -1);
1759 outrel
.r_info
= ELF64_R_INFO (h
->dynindx
, R_SH_64
);
1760 outrel
.r_addend
= relocation
+ rel
->r_addend
;
1764 loc
= sreloc
->contents
;
1765 loc
+= sreloc
->reloc_count
++ * sizeof (Elf64_External_Rela
);
1766 bfd_elf64_swap_reloca_out (output_bfd
, &outrel
, loc
);
1768 /* If this reloc is against an external symbol, we do
1769 not want to fiddle with the addend. Otherwise, we
1770 need to include the symbol value so that it becomes
1771 an addend for the dynamic reloc. */
1775 else if (r_type
== R_SH_64
)
1776 addend
= rel
->r_addend
;
1777 goto final_link_relocate
;
1779 case R_SH_GOTPLT_LOW16
:
1780 case R_SH_GOTPLT_MEDLOW16
:
1781 case R_SH_GOTPLT_MEDHI16
:
1782 case R_SH_GOTPLT_HI16
:
1783 case R_SH_GOTPLT10BY4
:
1784 case R_SH_GOTPLT10BY8
:
1785 /* Relocation is to the entry for this symbol in the
1786 procedure linkage table. */
1789 || ELF_ST_VISIBILITY (h
->other
) == STV_INTERNAL
1790 || ELF_ST_VISIBILITY (h
->other
) == STV_HIDDEN
1794 || h
->plt
.offset
== (bfd_vma
) -1
1795 || h
->got
.offset
!= (bfd_vma
) -1)
1798 /* Relocation is to the entry for this symbol in the global
1799 offset table extension for the procedure linkage table. */
1800 if (sgotplt
== NULL
)
1802 sgotplt
= bfd_get_section_by_name (dynobj
, ".got.plt");
1803 BFD_ASSERT (sgotplt
!= NULL
);
1806 relocation
= (sgotplt
->output_offset
1807 + ((h
->plt
.offset
/ elf_sh64_sizeof_plt (info
)
1810 relocation
-= GOT_BIAS
;
1812 goto final_link_relocate
;
1815 case R_SH_GOT_LOW16
:
1816 case R_SH_GOT_MEDLOW16
:
1817 case R_SH_GOT_MEDHI16
:
1821 /* Relocation is to the entry for this symbol in the global
1825 sgot
= bfd_get_section_by_name (dynobj
, ".got");
1826 BFD_ASSERT (sgot
!= NULL
);
1833 off
= h
->got
.offset
;
1834 if (seen_stt_datalabel
)
1836 struct elf_sh64_link_hash_entry
*hsh
;
1838 hsh
= (struct elf_sh64_link_hash_entry
*)h
;
1839 off
= hsh
->datalabel_got_offset
;
1841 BFD_ASSERT (off
!= (bfd_vma
) -1);
1843 if (! elf_hash_table (info
)->dynamic_sections_created
1845 && (info
->symbolic
|| h
->dynindx
== -1
1846 || ELF_ST_VISIBILITY (h
->other
) == STV_INTERNAL
1847 || ELF_ST_VISIBILITY (h
->other
) == STV_HIDDEN
)
1850 /* This is actually a static link, or it is a
1851 -Bsymbolic link and the symbol is defined
1852 locally, or the symbol was forced to be local
1853 because of a version file. We must initialize
1854 this entry in the global offset table. Since the
1855 offset must always be a multiple of 4, we use the
1856 least significant bit to record whether we have
1857 initialized it already.
1859 When doing a dynamic link, we create a .rela.got
1860 relocation entry to initialize the value. This
1861 is done in the finish_dynamic_symbol routine. */
1866 bfd_put_64 (output_bfd
, relocation
,
1867 sgot
->contents
+ off
);
1868 if (seen_stt_datalabel
)
1870 struct elf_sh64_link_hash_entry
*hsh
;
1872 hsh
= (struct elf_sh64_link_hash_entry
*)h
;
1873 hsh
->datalabel_got_offset
|= 1;
1880 relocation
= sgot
->output_offset
+ off
;
1888 BFD_ASSERT (local_got_offsets
!= NULL
1889 && (local_got_offsets
[symtab_hdr
->sh_info
1893 off
= local_got_offsets
[symtab_hdr
->sh_info
1898 BFD_ASSERT (local_got_offsets
!= NULL
1899 && local_got_offsets
[r_symndx
] != (bfd_vma
) -1);
1901 off
= local_got_offsets
[r_symndx
];
1904 /* The offset must always be a multiple of 8. We use
1905 the least significant bit to record whether we have
1906 already generated the necessary reloc. */
1911 bfd_put_64 (output_bfd
, relocation
, sgot
->contents
+ off
);
1916 Elf_Internal_Rela outrel
;
1919 s
= bfd_get_section_by_name (dynobj
, ".rela.got");
1920 BFD_ASSERT (s
!= NULL
);
1922 outrel
.r_offset
= (sgot
->output_section
->vma
1923 + sgot
->output_offset
1925 outrel
.r_info
= ELF64_R_INFO (0, R_SH_RELATIVE64
);
1926 outrel
.r_addend
= relocation
;
1928 loc
+= s
->reloc_count
++ * sizeof (Elf64_External_Rela
);
1929 bfd_elf64_swap_reloca_out (output_bfd
, &outrel
, loc
);
1933 local_got_offsets
[symtab_hdr
->sh_info
+ r_symndx
] |= 1;
1935 local_got_offsets
[r_symndx
] |= 1;
1938 relocation
= sgot
->output_offset
+ off
;
1941 relocation
-= GOT_BIAS
;
1943 goto final_link_relocate
;
1945 case R_SH_GOTOFF_LOW16
:
1946 case R_SH_GOTOFF_MEDLOW16
:
1947 case R_SH_GOTOFF_MEDHI16
:
1948 case R_SH_GOTOFF_HI16
:
1949 /* Relocation is relative to the start of the global offset
1954 sgot
= bfd_get_section_by_name (dynobj
, ".got");
1955 BFD_ASSERT (sgot
!= NULL
);
1958 /* Note that sgot->output_offset is not involved in this
1959 calculation. We always want the start of .got. If we
1960 defined _GLOBAL_OFFSET_TABLE in a different way, as is
1961 permitted by the ABI, we might have to change this
1963 relocation
-= sgot
->output_section
->vma
;
1965 relocation
-= GOT_BIAS
;
1967 addend
= rel
->r_addend
;
1969 goto final_link_relocate
;
1971 case R_SH_GOTPC_LOW16
:
1972 case R_SH_GOTPC_MEDLOW16
:
1973 case R_SH_GOTPC_MEDHI16
:
1974 case R_SH_GOTPC_HI16
:
1975 /* Use global offset table as symbol value. */
1979 sgot
= bfd_get_section_by_name (dynobj
, ".got");
1980 BFD_ASSERT (sgot
!= NULL
);
1983 relocation
= sgot
->output_section
->vma
;
1985 relocation
+= GOT_BIAS
;
1987 addend
= rel
->r_addend
;
1989 goto final_link_relocate
;
1991 case R_SH_PLT_LOW16
:
1992 case R_SH_PLT_MEDLOW16
:
1993 case R_SH_PLT_MEDHI16
:
1995 /* Relocation is to the entry for this symbol in the
1996 procedure linkage table. */
1998 /* Resolve a PLT reloc against a local symbol directly,
1999 without using the procedure linkage table. */
2001 goto final_link_relocate
;
2003 if (ELF_ST_VISIBILITY (h
->other
) == STV_INTERNAL
2004 || ELF_ST_VISIBILITY (h
->other
) == STV_HIDDEN
)
2005 goto final_link_relocate
;
2007 if (h
->plt
.offset
== (bfd_vma
) -1)
2009 /* We didn't make a PLT entry for this symbol. This
2010 happens when statically linking PIC code, or when
2011 using -Bsymbolic. */
2012 goto final_link_relocate
;
2017 splt
= bfd_get_section_by_name (dynobj
, ".plt");
2018 BFD_ASSERT (splt
!= NULL
);
2021 relocation
= (splt
->output_section
->vma
2022 + splt
->output_offset
2026 addend
= rel
->r_addend
;
2028 goto final_link_relocate
;
2031 case R_SH_SHMEDIA_CODE
:
2042 case R_SH_IMM_LOW16
:
2043 case R_SH_IMM_LOW16_PCREL
:
2044 case R_SH_IMM_MEDLOW16
:
2045 case R_SH_IMM_MEDLOW16_PCREL
:
2046 case R_SH_IMM_MEDHI16
:
2047 case R_SH_IMM_MEDHI16_PCREL
:
2049 case R_SH_IMM_HI16_PCREL
:
2050 addend
= rel
->r_addend
;
2053 final_link_relocate
:
2054 r
= _bfd_final_link_relocate (howto
, input_bfd
, input_section
,
2055 contents
, rel
->r_offset
,
2056 relocation
, addend
);
2060 bfd_set_error (bfd_error_bad_value
);
2065 if (r
!= bfd_reloc_ok
)
2070 case bfd_reloc_outofrange
:
2072 case bfd_reloc_overflow
:
2080 name
= (bfd_elf_string_from_elf_section
2081 (input_bfd
, symtab_hdr
->sh_link
, sym
->st_name
));
2085 name
= bfd_section_name (input_bfd
, sec
);
2087 if (! ((*info
->callbacks
->reloc_overflow
)
2088 (info
, (h
? &h
->root
: NULL
), name
, howto
->name
,
2089 (bfd_vma
) 0, input_bfd
, input_section
,
2101 /* This is a version of bfd_generic_get_relocated_section_contents
2102 that uses sh_elf64_relocate_section.
2104 See sh_elf_relocate_section in elf32-sh.c for the original. */
2107 sh_elf64_get_relocated_section_contents (bfd
*output_bfd
,
2108 struct bfd_link_info
*link_info
,
2109 struct bfd_link_order
*link_order
,
2111 bfd_boolean relocatable
,
2114 Elf_Internal_Shdr
*symtab_hdr
;
2115 asection
*input_section
= link_order
->u
.indirect
.section
;
2116 bfd
*input_bfd
= input_section
->owner
;
2117 asection
**sections
= NULL
;
2118 Elf_Internal_Rela
*internal_relocs
= NULL
;
2119 Elf_Internal_Sym
*isymbuf
= NULL
;
2121 /* We only need to handle the case of relaxing, or of having a
2122 particular set of section contents, specially. */
2124 || elf_section_data (input_section
)->this_hdr
.contents
== NULL
)
2125 return bfd_generic_get_relocated_section_contents (output_bfd
, link_info
,
2130 symtab_hdr
= &elf_tdata (input_bfd
)->symtab_hdr
;
2132 memcpy (data
, elf_section_data (input_section
)->this_hdr
.contents
,
2133 input_section
->size
);
2135 if ((input_section
->flags
& SEC_RELOC
) != 0
2136 && input_section
->reloc_count
> 0)
2138 Elf_Internal_Sym
*isymp
;
2139 Elf_Internal_Sym
*isymend
;
2142 /* Read this BFD's local symbols. */
2143 if (symtab_hdr
->sh_info
!= 0)
2145 isymbuf
= (Elf_Internal_Sym
*) symtab_hdr
->contents
;
2146 if (isymbuf
== NULL
)
2147 isymbuf
= bfd_elf_get_elf_syms (input_bfd
, symtab_hdr
,
2148 symtab_hdr
->sh_info
, 0,
2150 if (isymbuf
== NULL
)
2154 internal_relocs
= (_bfd_elf_link_read_relocs
2155 (input_bfd
, input_section
, NULL
,
2156 (Elf_Internal_Rela
*) NULL
, FALSE
));
2157 if (internal_relocs
== NULL
)
2160 sections
= (asection
**) bfd_malloc (symtab_hdr
->sh_info
2161 * sizeof (asection
*));
2162 if (sections
== NULL
&& symtab_hdr
->sh_info
> 0)
2166 isymend
= isymbuf
+ symtab_hdr
->sh_info
;
2167 for (isymp
= isymbuf
; isymp
< isymend
; ++isymp
, ++secpp
)
2171 if (isymp
->st_shndx
== SHN_UNDEF
)
2172 isec
= bfd_und_section_ptr
;
2173 else if (isymp
->st_shndx
> 0 && isymp
->st_shndx
< SHN_LORESERVE
)
2174 isec
= bfd_section_from_elf_index (input_bfd
, isymp
->st_shndx
);
2175 else if (isymp
->st_shndx
== SHN_ABS
)
2176 isec
= bfd_abs_section_ptr
;
2177 else if (isymp
->st_shndx
== SHN_COMMON
)
2178 isec
= bfd_com_section_ptr
;
2188 if (! sh_elf64_relocate_section (output_bfd
, link_info
, input_bfd
,
2189 input_section
, data
, internal_relocs
,
2193 if (sections
!= NULL
)
2195 if (internal_relocs
!= elf_section_data (input_section
)->relocs
)
2196 free (internal_relocs
);
2198 && (unsigned char *) isymbuf
!= symtab_hdr
->contents
)
2205 if (sections
!= NULL
)
2207 if (internal_relocs
!= NULL
2208 && internal_relocs
!= elf_section_data (input_section
)->relocs
)
2209 free (internal_relocs
);
2211 && (unsigned char *) isymbuf
!= symtab_hdr
->contents
)
2216 /* Set the SHF_SH5_ISA32 flag for ISA SHmedia code sections. */
2219 sh64_elf64_fake_sections (bfd
*output_bfd ATTRIBUTE_UNUSED
,
2220 Elf_Internal_Shdr
*elf_section_hdr
,
2223 /* Code sections can only contain SH64 code, so mark them as such. */
2224 if (bfd_get_section_flags (output_bfd
, asect
) & SEC_CODE
)
2225 elf_section_hdr
->sh_flags
|= SHF_SH5_ISA32
;
2231 sh_elf64_set_mach_from_flags (bfd
*abfd
)
2233 flagword flags
= elf_elfheader (abfd
)->e_flags
;
2235 switch (flags
& EF_SH_MACH_MASK
)
2238 /* Just one, but keep the switch construct to make additions easy. */
2239 bfd_default_set_arch_mach (abfd
, bfd_arch_sh
, bfd_mach_sh5
);
2243 bfd_set_error (bfd_error_wrong_format
);
2249 /* Function to keep SH64 specific file flags.
2251 See sh64_elf_set_private_flags in elf32-sh64.c for the original. */
2254 sh_elf64_set_private_flags (bfd
*abfd
, flagword flags
)
2256 BFD_ASSERT (! elf_flags_init (abfd
)
2257 || elf_elfheader (abfd
)->e_flags
== flags
);
2259 elf_elfheader (abfd
)->e_flags
= flags
;
2260 elf_flags_init (abfd
) = TRUE
;
2261 return sh_elf64_set_mach_from_flags (abfd
);
2264 /* Copy the SHF_SH5_ISA32 attribute that we keep on all sections with
2265 code, to keep attributes the same as for SHmedia in 32-bit ELF. */
2268 sh_elf64_copy_private_data_internal (bfd
*ibfd
, bfd
*obfd
)
2270 Elf_Internal_Shdr
**o_shdrp
;
2274 if (bfd_get_flavour (ibfd
) != bfd_target_elf_flavour
2275 || bfd_get_flavour (obfd
) != bfd_target_elf_flavour
)
2278 o_shdrp
= elf_elfsections (obfd
);
2279 for (osec
= obfd
->sections
; osec
; osec
= osec
->next
)
2281 int oIndex
= ((struct bfd_elf_section_data
*) elf_section_data (osec
))->this_idx
;
2282 for (isec
= ibfd
->sections
; isec
; isec
= isec
->next
)
2284 if (strcmp (osec
->name
, isec
->name
) == 0)
2286 /* Note that we're not disallowing mixing data and code. */
2287 if ((elf_section_data (isec
)->this_hdr
.sh_flags
2288 & SHF_SH5_ISA32
) != 0)
2289 o_shdrp
[oIndex
]->sh_flags
|= SHF_SH5_ISA32
;
2295 return sh_elf64_set_private_flags (obfd
, elf_elfheader (ibfd
)->e_flags
);
2299 sh_elf64_copy_private_data (bfd
*ibfd
, bfd
*obfd
)
2301 return sh_elf64_copy_private_data_internal (ibfd
, obfd
);
2305 sh_elf64_merge_private_data (bfd
*ibfd
, bfd
*obfd
)
2307 flagword old_flags
, new_flags
;
2309 if (! _bfd_generic_verify_endian_match (ibfd
, obfd
))
2312 if ( bfd_get_flavour (ibfd
) != bfd_target_elf_flavour
2313 || bfd_get_flavour (obfd
) != bfd_target_elf_flavour
)
2316 if (bfd_get_arch_size (ibfd
) != bfd_get_arch_size (obfd
))
2320 if (bfd_get_arch_size (ibfd
) == 32
2321 && bfd_get_arch_size (obfd
) == 64)
2322 msg
= _("%s: compiled as 32-bit object and %s is 64-bit");
2323 else if (bfd_get_arch_size (ibfd
) == 64
2324 && bfd_get_arch_size (obfd
) == 32)
2325 msg
= _("%s: compiled as 64-bit object and %s is 32-bit");
2327 msg
= _("%s: object size does not match that of target %s");
2329 (*_bfd_error_handler
) (msg
, bfd_get_filename (ibfd
),
2330 bfd_get_filename (obfd
));
2331 bfd_set_error (bfd_error_wrong_format
);
2335 old_flags
= elf_elfheader (obfd
)->e_flags
;
2336 new_flags
= elf_elfheader (ibfd
)->e_flags
;
2337 if (! elf_flags_init (obfd
))
2339 /* This happens when ld starts out with a 'blank' output file. */
2340 elf_flags_init (obfd
) = TRUE
;
2341 elf_elfheader (obfd
)->e_flags
= old_flags
= new_flags
;
2343 /* We don't allow linking in anything else than SH64 code, and since
2344 this is a 64-bit ELF, we assume the 64-bit ABI is used. Add code
2345 here as things change. */
2346 else if ((new_flags
& EF_SH_MACH_MASK
) != EF_SH5
)
2348 (*_bfd_error_handler
)
2349 ("%s: does not use the SH64 64-bit ABI as previous modules do",
2350 bfd_get_filename (ibfd
));
2351 bfd_set_error (bfd_error_bad_value
);
2355 sh_elf64_copy_private_data_internal (ibfd
, obfd
);
2357 /* I can't think of anything sane other than old_flags being EF_SH5 and
2358 that we need to preserve that. */
2359 elf_elfheader (obfd
)->e_flags
= old_flags
;
2361 return sh_elf64_set_mach_from_flags (obfd
);
2364 /* Return the section that should be marked against GC for a given
2368 sh_elf64_gc_mark_hook (asection
*sec
,
2369 struct bfd_link_info
*info
,
2370 Elf_Internal_Rela
*rel
,
2371 struct elf_link_hash_entry
*h
,
2372 Elf_Internal_Sym
*sym
)
2375 switch (ELF64_R_TYPE (rel
->r_info
))
2377 case R_SH_GNU_VTINHERIT
:
2378 case R_SH_GNU_VTENTRY
:
2382 return _bfd_elf_gc_mark_hook (sec
, info
, rel
, h
, sym
);
2385 /* Look through the relocs for a section during the first phase.
2386 Since we don't do .gots or .plts, we just need to consider the
2387 virtual table relocs for gc. */
2390 sh_elf64_check_relocs (bfd
*abfd
, struct bfd_link_info
*info
,
2391 asection
*sec
, const Elf_Internal_Rela
*relocs
)
2393 Elf_Internal_Shdr
*symtab_hdr
;
2394 struct elf_link_hash_entry
**sym_hashes
, **sym_hashes_end
;
2395 const Elf_Internal_Rela
*rel
;
2396 const Elf_Internal_Rela
*rel_end
;
2398 bfd_vma
*local_got_offsets
;
2407 if (info
->relocatable
)
2410 symtab_hdr
= &elf_tdata (abfd
)->symtab_hdr
;
2411 sym_hashes
= elf_sym_hashes (abfd
);
2412 sym_hashes_end
= sym_hashes
+ symtab_hdr
->sh_size
/sizeof(Elf64_External_Sym
);
2413 if (!elf_bad_symtab (abfd
))
2414 sym_hashes_end
-= symtab_hdr
->sh_info
;
2416 dynobj
= elf_hash_table (info
)->dynobj
;
2417 local_got_offsets
= elf_local_got_offsets (abfd
);
2419 rel_end
= relocs
+ sec
->reloc_count
;
2420 for (rel
= relocs
; rel
< rel_end
; rel
++)
2422 struct elf_link_hash_entry
*h
;
2423 unsigned long r_symndx
;
2425 r_symndx
= ELF64_R_SYM (rel
->r_info
);
2426 if (r_symndx
< symtab_hdr
->sh_info
)
2430 h
= sym_hashes
[r_symndx
- symtab_hdr
->sh_info
];
2431 while (h
->root
.type
== bfd_link_hash_indirect
2432 || h
->root
.type
== bfd_link_hash_warning
)
2433 h
= (struct elf_link_hash_entry
*) h
->root
.u
.i
.link
;
2436 /* Some relocs require a global offset table. */
2439 switch (ELF64_R_TYPE (rel
->r_info
))
2441 case R_SH_GOTPLT_LOW16
:
2442 case R_SH_GOTPLT_MEDLOW16
:
2443 case R_SH_GOTPLT_MEDHI16
:
2444 case R_SH_GOTPLT_HI16
:
2445 case R_SH_GOTPLT10BY4
:
2446 case R_SH_GOTPLT10BY8
:
2447 case R_SH_GOT_LOW16
:
2448 case R_SH_GOT_MEDLOW16
:
2449 case R_SH_GOT_MEDHI16
:
2453 case R_SH_GOTOFF_LOW16
:
2454 case R_SH_GOTOFF_MEDLOW16
:
2455 case R_SH_GOTOFF_MEDHI16
:
2456 case R_SH_GOTOFF_HI16
:
2457 case R_SH_GOTPC_LOW16
:
2458 case R_SH_GOTPC_MEDLOW16
:
2459 case R_SH_GOTPC_MEDHI16
:
2460 case R_SH_GOTPC_HI16
:
2461 elf_hash_table (info
)->dynobj
= dynobj
= abfd
;
2462 if (! _bfd_elf_create_got_section (dynobj
, info
))
2471 switch (ELF64_R_TYPE (rel
->r_info
))
2473 /* This relocation describes the C++ object vtable hierarchy.
2474 Reconstruct it for later use during GC. */
2475 case R_SH_GNU_VTINHERIT
:
2476 if (!bfd_elf_gc_record_vtinherit (abfd
, sec
, h
, rel
->r_offset
))
2480 /* This relocation describes which C++ vtable entries are actually
2481 used. Record for later use during GC. */
2482 case R_SH_GNU_VTENTRY
:
2483 if (!bfd_elf_gc_record_vtentry (abfd
, sec
, h
, rel
->r_addend
))
2488 case R_SH_GOT_LOW16
:
2489 case R_SH_GOT_MEDLOW16
:
2490 case R_SH_GOT_MEDHI16
:
2494 /* This symbol requires a global offset table entry. */
2498 sgot
= bfd_get_section_by_name (dynobj
, ".got");
2499 BFD_ASSERT (sgot
!= NULL
);
2503 && (h
!= NULL
|| info
->shared
))
2505 srelgot
= bfd_get_section_by_name (dynobj
, ".rela.got");
2506 if (srelgot
== NULL
)
2508 srelgot
= bfd_make_section_with_flags (dynobj
,
2514 | SEC_LINKER_CREATED
2517 || ! bfd_set_section_alignment (dynobj
, srelgot
, 2))
2524 if (h
->type
== STT_DATALABEL
)
2526 struct elf_sh64_link_hash_entry
*hsh
;
2528 h
= (struct elf_link_hash_entry
*) h
->root
.u
.i
.link
;
2529 hsh
= (struct elf_sh64_link_hash_entry
*)h
;
2530 if (hsh
->datalabel_got_offset
!= (bfd_vma
) -1)
2533 hsh
->datalabel_got_offset
= sgot
->size
;
2537 if (h
->got
.offset
!= (bfd_vma
) -1)
2539 /* We have already allocated space in the .got. */
2542 h
->got
.offset
= sgot
->size
;
2545 /* Make sure this symbol is output as a dynamic symbol. */
2546 if (h
->dynindx
== -1)
2548 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2552 srelgot
->size
+= sizeof (Elf64_External_Rela
);
2556 /* This is a global offset table entry for a local
2558 if (local_got_offsets
== NULL
)
2561 register unsigned int i
;
2563 size
= symtab_hdr
->sh_info
* sizeof (bfd_vma
);
2564 /* Reserve space for both the datalabel and
2565 codelabel local GOT offsets. */
2567 local_got_offsets
= (bfd_vma
*) bfd_alloc (abfd
, size
);
2568 if (local_got_offsets
== NULL
)
2570 elf_local_got_offsets (abfd
) = local_got_offsets
;
2571 for (i
= 0; i
< symtab_hdr
->sh_info
; i
++)
2572 local_got_offsets
[i
] = (bfd_vma
) -1;
2573 for (; i
< 2 * symtab_hdr
->sh_info
; i
++)
2574 local_got_offsets
[i
] = (bfd_vma
) -1;
2576 if ((rel
->r_addend
& 1) != 0)
2578 if (local_got_offsets
[symtab_hdr
->sh_info
2579 + r_symndx
] != (bfd_vma
) -1)
2581 /* We have already allocated space in the .got. */
2584 local_got_offsets
[symtab_hdr
->sh_info
2585 + r_symndx
] = sgot
->size
;
2589 if (local_got_offsets
[r_symndx
] != (bfd_vma
) -1)
2591 /* We have already allocated space in the .got. */
2594 local_got_offsets
[r_symndx
] = sgot
->size
;
2599 /* If we are generating a shared object, we need to
2600 output a R_SH_RELATIVE reloc so that the dynamic
2601 linker can adjust this GOT entry. */
2602 srelgot
->size
+= sizeof (Elf64_External_Rela
);
2610 case R_SH_GOTPLT_LOW16
:
2611 case R_SH_GOTPLT_MEDLOW16
:
2612 case R_SH_GOTPLT_MEDHI16
:
2613 case R_SH_GOTPLT_HI16
:
2614 case R_SH_GOTPLT10BY4
:
2615 case R_SH_GOTPLT10BY8
:
2616 /* If this is a local symbol, we resolve it directly without
2617 creating a procedure linkage table entry. */
2620 || ELF_ST_VISIBILITY (h
->other
) == STV_INTERNAL
2621 || ELF_ST_VISIBILITY (h
->other
) == STV_HIDDEN
2625 || h
->got
.offset
!= (bfd_vma
) -1)
2628 /* Make sure this symbol is output as a dynamic symbol. */
2629 if (h
->dynindx
== -1)
2631 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2639 case R_SH_PLT_LOW16
:
2640 case R_SH_PLT_MEDLOW16
:
2641 case R_SH_PLT_MEDHI16
:
2643 /* This symbol requires a procedure linkage table entry. We
2644 actually build the entry in adjust_dynamic_symbol,
2645 because this might be a case of linking PIC code which is
2646 never referenced by a dynamic object, in which case we
2647 don't need to generate a procedure linkage table entry
2650 /* If this is a local symbol, we resolve it directly without
2651 creating a procedure linkage table entry. */
2655 if (ELF_ST_VISIBILITY (h
->other
) == STV_INTERNAL
2656 || ELF_ST_VISIBILITY (h
->other
) == STV_HIDDEN
)
2668 /* If we are creating a shared library, and this is a reloc
2669 against a global symbol, or a non PC relative reloc
2670 against a local symbol, then we need to copy the reloc
2671 into the shared library. However, if we are linking with
2672 -Bsymbolic, we do not need to copy a reloc against a
2673 global symbol which is defined in an object we are
2674 including in the link (i.e., DEF_REGULAR is set). At
2675 this point we have not seen all the input files, so it is
2676 possible that DEF_REGULAR is not set now but will be set
2677 later (it is never cleared). We account for that
2678 possibility below by storing information in the
2679 pcrel_relocs_copied field of the hash table entry. */
2681 && (sec
->flags
& SEC_ALLOC
) != 0
2682 && (ELF32_R_TYPE (rel
->r_info
) != R_SH_64_PCREL
2684 && (! info
->symbolic
2685 || !h
->def_regular
))))
2687 /* When creating a shared object, we must copy these
2688 reloc types into the output file. We create a reloc
2689 section in dynobj and make room for this reloc. */
2694 name
= (bfd_elf_string_from_elf_section
2696 elf_elfheader (abfd
)->e_shstrndx
,
2697 elf_section_data (sec
)->rel_hdr
.sh_name
));
2701 BFD_ASSERT (CONST_STRNEQ (name
, ".rela")
2702 && strcmp (bfd_get_section_name (abfd
, sec
),
2705 sreloc
= bfd_get_section_by_name (dynobj
, name
);
2710 flags
= (SEC_HAS_CONTENTS
| SEC_READONLY
2711 | SEC_IN_MEMORY
| SEC_LINKER_CREATED
);
2712 if ((sec
->flags
& SEC_ALLOC
) != 0)
2713 flags
|= SEC_ALLOC
| SEC_LOAD
;
2714 sreloc
= bfd_make_section_with_flags (dynobj
,
2718 || ! bfd_set_section_alignment (dynobj
, sreloc
, 2))
2723 sreloc
->size
+= sizeof (Elf64_External_Rela
);
2725 /* If we are linking with -Bsymbolic, and this is a
2726 global symbol, we count the number of PC relative
2727 relocations we have entered for this symbol, so that
2728 we can discard them again if the symbol is later
2729 defined by a regular object. Note that this function
2730 is only called if we are using an elf_sh linker
2731 hash table, which means that h is really a pointer to
2732 an elf_sh_link_hash_entry. */
2733 if (h
!= NULL
&& info
->symbolic
2734 && ELF64_R_TYPE (rel
->r_info
) == R_SH_64_PCREL
)
2736 struct elf_sh64_link_hash_entry
*eh
;
2737 struct elf_sh64_pcrel_relocs_copied
*p
;
2739 eh
= (struct elf_sh64_link_hash_entry
*) h
;
2741 for (p
= eh
->pcrel_relocs_copied
; p
!= NULL
; p
= p
->next
)
2742 if (p
->section
== sreloc
)
2747 p
= ((struct elf_sh64_pcrel_relocs_copied
*)
2748 bfd_alloc (dynobj
, sizeof *p
));
2751 p
->next
= eh
->pcrel_relocs_copied
;
2752 eh
->pcrel_relocs_copied
= p
;
2753 p
->section
= sreloc
;
2769 sh64_elf64_get_symbol_type (Elf_Internal_Sym
* elf_sym
, int type
)
2771 if (ELF_ST_TYPE (elf_sym
->st_info
) == STT_DATALABEL
)
2772 return STT_DATALABEL
;
2777 /* FIXME: This is a copy of sh64_elf_add_symbol_hook in elf32-sh64.c.
2778 Either file can presumably exist without the other, but do not differ
2779 in elf-size-ness. How to share?
2781 Hook called by the linker routine which adds symbols from an object
2782 file. We must make indirect symbols for undefined symbols marked with
2783 STT_DATALABEL, so relocations passing them will pick up that attribute
2784 and neutralize STO_SH5_ISA32 found on the symbol definition.
2786 There is a problem, though: We want to fill in the hash-table entry for
2787 this symbol and signal to the caller that no further processing is
2788 needed. But we don't have the index for this hash-table entry. We
2789 rely here on that the current entry is the first hash-entry with NULL,
2790 which seems brittle. Also, iterating over the hash-table to find that
2791 entry is a linear operation on the number of symbols in this input
2792 file, and this function should take constant time, so that's not good
2793 too. Only comfort is that DataLabel references should only be found in
2794 hand-written assembly code and thus be rare. FIXME: Talk maintainers
2795 into adding an option to elf_add_symbol_hook (preferably) for the index
2796 or the hash entry, alternatively adding the index to Elf_Internal_Sym
2800 sh64_elf64_add_symbol_hook (bfd
*abfd
, struct bfd_link_info
*info
,
2801 Elf_Internal_Sym
*sym
, const char **namep
,
2802 flagword
*flagsp ATTRIBUTE_UNUSED
,
2803 asection
**secp
, bfd_vma
*valp
)
2805 /* We want to do this for relocatable as well as final linking. */
2806 if (ELF_ST_TYPE (sym
->st_info
) == STT_DATALABEL
2807 && is_elf_hash_table (info
->hash
))
2809 struct elf_link_hash_entry
*h
;
2811 /* For relocatable links, we register the DataLabel sym in its own
2812 right, and tweak the name when it's output. Otherwise, we make
2813 an indirect symbol of it. */
2815 = info
->relocatable
|| info
->emitrelocations
2816 ? BSF_GLOBAL
: BSF_GLOBAL
| BSF_INDIRECT
;
2819 = bfd_malloc (strlen (*namep
) + sizeof (DATALABEL_SUFFIX
));
2820 struct elf_link_hash_entry
** sym_hash
= elf_sym_hashes (abfd
);
2822 BFD_ASSERT (sym_hash
!= NULL
);
2824 /* Allocation may fail. */
2825 if (dl_name
== NULL
)
2828 strcpy (dl_name
, *namep
);
2829 strcat (dl_name
, DATALABEL_SUFFIX
);
2831 h
= (struct elf_link_hash_entry
*)
2832 bfd_link_hash_lookup (info
->hash
, dl_name
, FALSE
, FALSE
, FALSE
);
2836 /* No previous datalabel symbol. Make one. */
2837 struct bfd_link_hash_entry
*bh
= NULL
;
2838 const struct elf_backend_data
*bed
= get_elf_backend_data (abfd
);
2840 if (! _bfd_generic_link_add_one_symbol (info
, abfd
, dl_name
,
2841 flags
, *secp
, *valp
,
2849 h
= (struct elf_link_hash_entry
*) bh
;
2851 h
->type
= STT_DATALABEL
;
2854 /* If a new symbol was created, it holds the allocated name.
2855 Otherwise, we don't need it anymore and should deallocate it. */
2858 if (h
->type
!= STT_DATALABEL
2859 || ((info
->relocatable
|| info
->emitrelocations
)
2860 && h
->root
.type
!= bfd_link_hash_undefined
)
2861 || (! info
->relocatable
&& !info
->emitrelocations
2862 && h
->root
.type
!= bfd_link_hash_indirect
))
2864 /* Make sure we don't get confused on invalid input. */
2865 (*_bfd_error_handler
)
2866 (_("%s: encountered datalabel symbol in input"),
2867 bfd_get_filename (abfd
));
2868 bfd_set_error (bfd_error_bad_value
);
2872 /* Now find the hash-table slot for this entry and fill it in. */
2873 while (*sym_hash
!= NULL
)
2877 /* Signal to caller to skip this symbol - we've handled it. */
2884 /* This hook function is called before the linker writes out a global
2885 symbol. For relocatable links, DataLabel symbols will be present in
2886 linker output. We cut off the special suffix on those symbols, so the
2887 right name appears in the output.
2889 When linking and emitting relocations, there can appear global symbols
2890 that are not referenced by relocs, but rather only implicitly through
2891 DataLabel references, a relation that is not visible to the linker.
2892 Since no stripping of global symbols in done when doing such linking,
2893 we don't need to look up and make sure to emit the main symbol for each
2894 DataLabel symbol. */
2897 sh64_elf64_link_output_symbol_hook (struct bfd_link_info
*info
,
2899 Elf_Internal_Sym
*sym
,
2900 asection
*input_sec ATTRIBUTE_UNUSED
,
2901 struct elf_link_hash_entry
*h ATTRIBUTE_UNUSED
)
2903 char *name
= (char *) cname
;
2905 if (info
->relocatable
|| info
->emitrelocations
)
2907 if (ELF_ST_TYPE (sym
->st_info
) == STT_DATALABEL
)
2908 name
[strlen (name
) - strlen (DATALABEL_SUFFIX
)] = 0;
2914 /* Set bit 0 on the entry address; it always points to SHmedia code. This
2915 is mostly for symmetry with the 32-bit format, where code can be
2916 SHcompact and we need to make a distinction to make sure execution
2917 starts in the right ISA mode. It is also convenient for a loader,
2918 which would otherwise have to set this bit when loading a TR register
2919 before jumping to the program entry. */
2922 sh64_elf64_final_write_processing (bfd
*abfd
,
2923 bfd_boolean linker ATTRIBUTE_UNUSED
)
2925 /* FIXME: Perhaps we shouldn't do this if the entry address was supplied
2926 numerically, but we currently lack the infrastructure to recognize
2927 that: The entry symbol, and info whether it is numeric or a symbol
2928 name is kept private in the linker. */
2929 if (elf_elfheader (abfd
)->e_type
== ET_EXEC
)
2930 elf_elfheader (abfd
)->e_entry
|= 1;
2933 /* First entry in an absolute procedure linkage table look like this. */
2935 static const bfd_byte elf_sh64_plt0_entry_be
[PLT_ENTRY_SIZE
] =
2937 0xcc, 0x00, 0x01, 0x10, /* movi .got.plt >> 48, r17 */
2938 0xc8, 0x00, 0x01, 0x10, /* shori (.got.plt >> 32) & 65535, r17 */
2939 0xc8, 0x00, 0x01, 0x10, /* shori (.got.plt >> 16) & 65535, r17 */
2940 0xc8, 0x00, 0x01, 0x10, /* shori .got.plt & 65535, r17 */
2941 0x8d, 0x10, 0x09, 0x90, /* ld.q r17, 16, r25 */
2942 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
2943 0x8d, 0x10, 0x05, 0x10, /* ld.q r17, 8, r17 */
2944 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
2945 0x6f, 0xf0, 0xff, 0xf0, /* nop */
2946 0x6f, 0xf0, 0xff, 0xf0, /* nop */
2947 0x6f, 0xf0, 0xff, 0xf0, /* nop */
2948 0x6f, 0xf0, 0xff, 0xf0, /* nop */
2949 0x6f, 0xf0, 0xff, 0xf0, /* nop */
2950 0x6f, 0xf0, 0xff, 0xf0, /* nop */
2951 0x6f, 0xf0, 0xff, 0xf0, /* nop */
2952 0x6f, 0xf0, 0xff, 0xf0, /* nop */
2955 static const bfd_byte elf_sh64_plt0_entry_le
[PLT_ENTRY_SIZE
] =
2957 0x10, 0x01, 0x00, 0xcc, /* movi .got.plt >> 16, r17 */
2958 0x10, 0x01, 0x00, 0xc8, /* shori (.got.plt >> 32) & 65535, r17 */
2959 0x10, 0x01, 0x00, 0xc8, /* shori (.got.plt >> 16) & 65535, r17 */
2960 0x10, 0x01, 0x00, 0xc8, /* shori .got.plt & 65535, r17 */
2961 0x90, 0x09, 0x10, 0x8d, /* ld.q r17, 16, r25 */
2962 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
2963 0x10, 0x05, 0x10, 0x8d, /* ld.q r17, 8, r17 */
2964 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
2965 0xf0, 0xff, 0xf0, 0x6f, /* nop */
2966 0xf0, 0xff, 0xf0, 0x6f, /* nop */
2967 0xf0, 0xff, 0xf0, 0x6f, /* nop */
2968 0xf0, 0xff, 0xf0, 0x6f, /* nop */
2969 0xf0, 0xff, 0xf0, 0x6f, /* nop */
2970 0xf0, 0xff, 0xf0, 0x6f, /* nop */
2971 0xf0, 0xff, 0xf0, 0x6f, /* nop */
2972 0xf0, 0xff, 0xf0, 0x6f, /* nop */
2975 /* Sebsequent entries in an absolute procedure linkage table look like
2978 static const bfd_byte elf_sh64_plt_entry_be
[PLT_ENTRY_SIZE
] =
2980 0xcc, 0x00, 0x01, 0x90, /* movi nameN-in-GOT >> 48, r25 */
2981 0xc8, 0x00, 0x01, 0x90, /* shori (nameN-in-GOT >> 32) & 65535, r25 */
2982 0xc8, 0x00, 0x01, 0x90, /* shori (nameN-in-GOT >> 16) & 65535, r25 */
2983 0xc8, 0x00, 0x01, 0x90, /* shori nameN-in-GOT & 65535, r25 */
2984 0x8d, 0x90, 0x01, 0x90, /* ld.q r25, 0, r25 */
2985 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
2986 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
2987 0x6f, 0xf0, 0xff, 0xf0, /* nop */
2988 0xcc, 0x00, 0x01, 0x90, /* movi (.+8-.PLT0) >> 16, r25 */
2989 0xc8, 0x00, 0x01, 0x90, /* shori (.+4-.PLT0) & 65535, r25 */
2990 0x6b, 0xf5, 0x66, 0x00, /* ptrel r25, tr0 */
2991 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */
2992 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */
2993 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
2994 0x6f, 0xf0, 0xff, 0xf0, /* nop */
2995 0x6f, 0xf0, 0xff, 0xf0, /* nop */
2998 static const bfd_byte elf_sh64_plt_entry_le
[PLT_ENTRY_SIZE
] =
3000 0x90, 0x01, 0x00, 0xcc, /* movi nameN-in-GOT >> 16, r25 */
3001 0x90, 0x01, 0x00, 0xc8, /* shori nameN-in-GOT & 65535, r25 */
3002 0x90, 0x01, 0x00, 0xc8, /* shori nameN-in-GOT & 65535, r25 */
3003 0x90, 0x01, 0x00, 0xc8, /* shori nameN-in-GOT & 65535, r25 */
3004 0x90, 0x01, 0x90, 0x8d, /* ld.q r25, 0, r25 */
3005 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
3006 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
3007 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3008 0x90, 0x01, 0x00, 0xcc, /* movi (.+8-.PLT0) >> 16, r25 */
3009 0x90, 0x01, 0x00, 0xc8, /* shori (.+4-.PLT0) & 65535, r25 */
3010 0x00, 0x66, 0xf5, 0x6b, /* ptrel r25, tr0 */
3011 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */
3012 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */
3013 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
3014 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3015 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3018 /* Entries in a PIC procedure linkage table look like this. */
3020 static const bfd_byte elf_sh64_pic_plt_entry_be
[PLT_ENTRY_SIZE
] =
3022 0xcc, 0x00, 0x01, 0x90, /* movi nameN@GOT >> 16, r25 */
3023 0xc8, 0x00, 0x01, 0x90, /* shori nameN@GOT & 65535, r25 */
3024 0x40, 0xc3, 0x65, 0x90, /* ldx.q r12, r25, r25 */
3025 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
3026 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
3027 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3028 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3029 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3030 0xce, 0x00, 0x01, 0x10, /* movi -GOT_BIAS, r17 */
3031 0x00, 0xc9, 0x45, 0x10, /* add r12, r17, r17 */
3032 0x8d, 0x10, 0x09, 0x90, /* ld.q r17, 16, r25 */
3033 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
3034 0x8d, 0x10, 0x05, 0x10, /* ld.q r17, 8, r17 */
3035 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */
3036 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */
3037 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
3040 static const bfd_byte elf_sh64_pic_plt_entry_le
[PLT_ENTRY_SIZE
] =
3042 0x90, 0x01, 0x00, 0xcc, /* movi nameN@GOT >> 16, r25 */
3043 0x90, 0x01, 0x00, 0xc8, /* shori nameN@GOT & 65535, r25 */
3044 0x90, 0x65, 0xc3, 0x40, /* ldx.q r12, r25, r25 */
3045 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
3046 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
3047 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3048 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3049 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3050 0x10, 0x01, 0x00, 0xce, /* movi -GOT_BIAS, r17 */
3051 0x10, 0x45, 0xc9, 0x00, /* add r12, r17, r17 */
3052 0x90, 0x09, 0x10, 0x8d, /* ld.q r17, 16, r25 */
3053 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
3054 0x10, 0x05, 0x10, 0x8d, /* ld.q r17, 8, r17 */
3055 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */
3056 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */
3057 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
3060 static const bfd_byte
*elf_sh64_plt0_entry
;
3061 static const bfd_byte
*elf_sh64_plt_entry
;
3062 static const bfd_byte
*elf_sh64_pic_plt_entry
;
3064 /* Create an entry in an sh ELF linker hash table. */
3066 static struct bfd_hash_entry
*
3067 sh64_elf64_link_hash_newfunc (struct bfd_hash_entry
*entry
,
3068 struct bfd_hash_table
*table
,
3071 struct elf_sh64_link_hash_entry
*ret
=
3072 (struct elf_sh64_link_hash_entry
*) entry
;
3074 /* Allocate the structure if it has not already been allocated by a
3076 if (ret
== (struct elf_sh64_link_hash_entry
*) NULL
)
3077 ret
= ((struct elf_sh64_link_hash_entry
*)
3078 bfd_hash_allocate (table
,
3079 sizeof (struct elf_sh64_link_hash_entry
)));
3080 if (ret
== (struct elf_sh64_link_hash_entry
*) NULL
)
3081 return (struct bfd_hash_entry
*) ret
;
3083 /* Call the allocation method of the superclass. */
3084 ret
= ((struct elf_sh64_link_hash_entry
*)
3085 _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry
*) ret
,
3087 if (ret
!= (struct elf_sh64_link_hash_entry
*) NULL
)
3089 ret
->pcrel_relocs_copied
= NULL
;
3090 ret
->datalabel_got_offset
= (bfd_vma
) -1;
3093 return (struct bfd_hash_entry
*) ret
;
3096 /* Create an sh64 ELF linker hash table. */
3098 static struct bfd_link_hash_table
*
3099 sh64_elf64_link_hash_table_create (bfd
*abfd
)
3101 struct elf_sh64_link_hash_table
*ret
;
3103 ret
= ((struct elf_sh64_link_hash_table
*)
3104 bfd_malloc (sizeof (struct elf_sh64_link_hash_table
)));
3105 if (ret
== (struct elf_sh64_link_hash_table
*) NULL
)
3108 if (!_bfd_elf_link_hash_table_init (&ret
->root
, abfd
,
3109 sh64_elf64_link_hash_newfunc
,
3110 sizeof (struct elf_sh64_link_hash_entry
)))
3116 return &ret
->root
.root
;
3120 movi_shori_putval (bfd
*output_bfd
, unsigned long value
, bfd_byte
*addr
)
3122 bfd_put_32 (output_bfd
,
3123 bfd_get_32 (output_bfd
, addr
)
3124 | ((value
>> 6) & 0x3fffc00),
3126 bfd_put_32 (output_bfd
,
3127 bfd_get_32 (output_bfd
, addr
+ 4)
3128 | ((value
<< 10) & 0x3fffc00),
3133 movi_3shori_putval (bfd
*output_bfd
, bfd_vma value
, bfd_byte
*addr
)
3135 bfd_put_32 (output_bfd
,
3136 bfd_get_32 (output_bfd
, addr
)
3137 | ((value
>> 38) & 0x3fffc00),
3139 bfd_put_32 (output_bfd
,
3140 bfd_get_32 (output_bfd
, addr
+ 4)
3141 | ((value
>> 22) & 0x3fffc00),
3143 bfd_put_32 (output_bfd
,
3144 bfd_get_32 (output_bfd
, addr
+ 8)
3145 | ((value
>> 6) & 0x3fffc00),
3147 bfd_put_32 (output_bfd
,
3148 bfd_get_32 (output_bfd
, addr
+ 12)
3149 | ((value
<< 10) & 0x3fffc00),
3153 /* Create dynamic sections when linking against a dynamic object. */
3156 sh64_elf64_create_dynamic_sections (bfd
*abfd
, struct bfd_link_info
*info
)
3158 flagword flags
, pltflags
;
3159 register asection
*s
;
3160 const struct elf_backend_data
*bed
= get_elf_backend_data (abfd
);
3163 switch (bed
->s
->arch_size
)
3174 bfd_set_error (bfd_error_bad_value
);
3178 /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and
3179 .rel[a].bss sections. */
3181 flags
= (SEC_ALLOC
| SEC_LOAD
| SEC_HAS_CONTENTS
| SEC_IN_MEMORY
3182 | SEC_LINKER_CREATED
);
3185 pltflags
|= SEC_CODE
;
3186 if (bed
->plt_not_loaded
)
3187 pltflags
&= ~ (SEC_LOAD
| SEC_HAS_CONTENTS
);
3188 if (bed
->plt_readonly
)
3189 pltflags
|= SEC_READONLY
;
3191 s
= bfd_make_section_with_flags (abfd
, ".plt", pltflags
);
3193 || ! bfd_set_section_alignment (abfd
, s
, bed
->plt_alignment
))
3196 if (bed
->want_plt_sym
)
3198 /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
3200 struct elf_link_hash_entry
*h
;
3201 struct bfd_link_hash_entry
*bh
= NULL
;
3203 if (! (_bfd_generic_link_add_one_symbol
3204 (info
, abfd
, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL
, s
,
3205 (bfd_vma
) 0, (const char *) NULL
, FALSE
, bed
->collect
, &bh
)))
3208 h
= (struct elf_link_hash_entry
*) bh
;
3210 h
->type
= STT_OBJECT
;
3211 elf_hash_table (info
)->hplt
= h
;
3214 && ! bfd_elf_link_record_dynamic_symbol (info
, h
))
3218 s
= bfd_make_section_with_flags (abfd
,
3219 bed
->default_use_rela_p
? ".rela.plt" : ".rel.plt",
3220 flags
| SEC_READONLY
);
3222 || ! bfd_set_section_alignment (abfd
, s
, ptralign
))
3225 if (! _bfd_elf_create_got_section (abfd
, info
))
3229 const char *secname
;
3234 for (sec
= abfd
->sections
; sec
; sec
= sec
->next
)
3236 secflags
= bfd_get_section_flags (abfd
, sec
);
3237 if ((secflags
& (SEC_DATA
| SEC_LINKER_CREATED
))
3238 || ((secflags
& SEC_HAS_CONTENTS
) != SEC_HAS_CONTENTS
))
3240 secname
= bfd_get_section_name (abfd
, sec
);
3241 relname
= (char *) bfd_malloc (strlen (secname
) + 6);
3242 strcpy (relname
, ".rela");
3243 strcat (relname
, secname
);
3244 s
= bfd_make_section_with_flags (abfd
, relname
,
3245 flags
| SEC_READONLY
);
3247 || ! bfd_set_section_alignment (abfd
, s
, ptralign
))
3252 if (bed
->want_dynbss
)
3254 /* The .dynbss section is a place to put symbols which are defined
3255 by dynamic objects, are referenced by regular objects, and are
3256 not functions. We must allocate space for them in the process
3257 image and use a R_*_COPY reloc to tell the dynamic linker to
3258 initialize them at run time. The linker script puts the .dynbss
3259 section into the .bss section of the final image. */
3260 s
= bfd_make_section_with_flags (abfd
, ".dynbss",
3261 SEC_ALLOC
| SEC_LINKER_CREATED
);
3265 /* The .rel[a].bss section holds copy relocs. This section is not
3266 normally needed. We need to create it here, though, so that the
3267 linker will map it to an output section. We can't just create it
3268 only if we need it, because we will not know whether we need it
3269 until we have seen all the input files, and the first time the
3270 main linker code calls BFD after examining all the input files
3271 (size_dynamic_sections) the input sections have already been
3272 mapped to the output sections. If the section turns out not to
3273 be needed, we can discard it later. We will never need this
3274 section when generating a shared object, since they do not use
3278 s
= bfd_make_section_with_flags (abfd
,
3279 (bed
->default_use_rela_p
3280 ? ".rela.bss" : ".rel.bss"),
3281 flags
| SEC_READONLY
);
3283 || ! bfd_set_section_alignment (abfd
, s
, ptralign
))
3291 /* Adjust a symbol defined by a dynamic object and referenced by a
3292 regular object. The current definition is in some section of the
3293 dynamic object, but we're not including those sections. We have to
3294 change the definition to something the rest of the link can
3298 sh64_elf64_adjust_dynamic_symbol (struct bfd_link_info
*info
,
3299 struct elf_link_hash_entry
*h
)
3303 unsigned int power_of_two
;
3305 dynobj
= elf_hash_table (info
)->dynobj
;
3307 /* Make sure we know what is going on here. */
3308 BFD_ASSERT (dynobj
!= NULL
3310 || h
->u
.weakdef
!= NULL
3313 && !h
->def_regular
)));
3315 /* If this is a function, put it in the procedure linkage table. We
3316 will fill in the contents of the procedure linkage table later,
3317 when we know the address of the .got section. */
3318 if (h
->type
== STT_FUNC
3325 /* This case can occur if we saw a PLT reloc in an input
3326 file, but the symbol was never referred to by a dynamic
3327 object. In such a case, we don't actually need to build
3328 a procedure linkage table, and we can just do a REL64
3330 BFD_ASSERT (h
->needs_plt
);
3334 /* Make sure this symbol is output as a dynamic symbol. */
3335 if (h
->dynindx
== -1)
3337 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
3341 s
= bfd_get_section_by_name (dynobj
, ".plt");
3342 BFD_ASSERT (s
!= NULL
);
3344 /* If this is the first .plt entry, make room for the special
3347 s
->size
+= PLT_ENTRY_SIZE
;
3349 /* If this symbol is not defined in a regular file, and we are
3350 not generating a shared library, then set the symbol to this
3351 location in the .plt. This is required to make function
3352 pointers compare as equal between the normal executable and
3353 the shared library. */
3357 h
->root
.u
.def
.section
= s
;
3358 h
->root
.u
.def
.value
= s
->size
;
3361 h
->plt
.offset
= s
->size
;
3363 /* Make room for this entry. */
3364 s
->size
+= elf_sh64_sizeof_plt (info
);
3366 /* We also need to make an entry in the .got.plt section, which
3367 will be placed in the .got section by the linker script. */
3369 s
= bfd_get_section_by_name (dynobj
, ".got.plt");
3370 BFD_ASSERT (s
!= NULL
);
3373 /* We also need to make an entry in the .rela.plt section. */
3375 s
= bfd_get_section_by_name (dynobj
, ".rela.plt");
3376 BFD_ASSERT (s
!= NULL
);
3377 s
->size
+= sizeof (Elf64_External_Rela
);
3382 /* If this is a weak symbol, and there is a real definition, the
3383 processor independent code will have arranged for us to see the
3384 real definition first, and we can just use the same value. */
3385 if (h
->u
.weakdef
!= NULL
)
3387 BFD_ASSERT (h
->u
.weakdef
->root
.type
== bfd_link_hash_defined
3388 || h
->u
.weakdef
->root
.type
== bfd_link_hash_defweak
);
3389 h
->root
.u
.def
.section
= h
->u
.weakdef
->root
.u
.def
.section
;
3390 h
->root
.u
.def
.value
= h
->u
.weakdef
->root
.u
.def
.value
;
3394 /* This is a reference to a symbol defined by a dynamic object which
3395 is not a function. */
3397 /* If we are creating a shared library, we must presume that the
3398 only references to the symbol are via the global offset table.
3399 For such cases we need not do anything here; the relocations will
3400 be handled correctly by relocate_section. */
3404 /* If there are no references to this symbol that do not use the
3405 GOT, we don't need to generate a copy reloc. */
3406 if (!h
->non_got_ref
)
3411 (*_bfd_error_handler
) (_("dynamic variable `%s' is zero size"),
3412 h
->root
.root
.string
);
3416 /* We must allocate the symbol in our .dynbss section, which will
3417 become part of the .bss section of the executable. There will be
3418 an entry for this symbol in the .dynsym section. The dynamic
3419 object will contain position independent code, so all references
3420 from the dynamic object to this symbol will go through the global
3421 offset table. The dynamic linker will use the .dynsym entry to
3422 determine the address it must put in the global offset table, so
3423 both the dynamic object and the regular object will refer to the
3424 same memory location for the variable. */
3426 s
= bfd_get_section_by_name (dynobj
, ".dynbss");
3427 BFD_ASSERT (s
!= NULL
);
3429 /* We must generate a R_SH_COPY reloc to tell the dynamic linker to
3430 copy the initial value out of the dynamic object and into the
3431 runtime process image. We need to remember the offset into the
3432 .rela.bss section we are going to use. */
3433 if ((h
->root
.u
.def
.section
->flags
& SEC_ALLOC
) != 0)
3437 srel
= bfd_get_section_by_name (dynobj
, ".rela.bss");
3438 BFD_ASSERT (srel
!= NULL
);
3439 srel
->size
+= sizeof (Elf64_External_Rela
);
3443 /* We need to figure out the alignment required for this symbol. I
3444 have no idea how ELF linkers handle this. */
3445 power_of_two
= bfd_log2 (h
->size
);
3446 if (power_of_two
> 3)
3449 /* Apply the required alignment. */
3450 s
->size
= BFD_ALIGN (s
->size
, (bfd_size_type
) (1 << power_of_two
));
3451 if (power_of_two
> bfd_get_section_alignment (dynobj
, s
))
3453 if (! bfd_set_section_alignment (dynobj
, s
, power_of_two
))
3457 /* Define the symbol as being at this point in the section. */
3458 h
->root
.u
.def
.section
= s
;
3459 h
->root
.u
.def
.value
= s
->size
;
3461 /* Increment the section size to make room for the symbol. */
3467 /* This function is called via sh_elf_link_hash_traverse if we are
3468 creating a shared object with -Bsymbolic. It discards the space
3469 allocated to copy PC relative relocs against symbols which are
3470 defined in regular objects. We allocated space for them in the
3471 check_relocs routine, but we won't fill them in in the
3472 relocate_section routine. */
3475 sh64_elf64_discard_copies (struct elf_sh64_link_hash_entry
*h
,
3476 void *ignore ATTRIBUTE_UNUSED
)
3478 struct elf_sh64_pcrel_relocs_copied
*s
;
3480 if (h
->root
.root
.type
== bfd_link_hash_warning
)
3481 h
= (struct elf_sh64_link_hash_entry
*) h
->root
.root
.u
.i
.link
;
3483 /* We only discard relocs for symbols defined in a regular object. */
3484 if (!h
->root
.def_regular
)
3487 for (s
= h
->pcrel_relocs_copied
; s
!= NULL
; s
= s
->next
)
3488 s
->section
->size
-= s
->count
* sizeof (Elf64_External_Rela
);
3493 /* Set the sizes of the dynamic sections. */
3496 sh64_elf64_size_dynamic_sections (bfd
*output_bfd
,
3497 struct bfd_link_info
*info
)
3503 bfd_boolean reltext
;
3505 dynobj
= elf_hash_table (info
)->dynobj
;
3506 BFD_ASSERT (dynobj
!= NULL
);
3508 if (elf_hash_table (info
)->dynamic_sections_created
)
3510 /* Set the contents of the .interp section to the interpreter. */
3511 if (info
->executable
)
3513 s
= bfd_get_section_by_name (dynobj
, ".interp");
3514 BFD_ASSERT (s
!= NULL
);
3515 s
->size
= sizeof ELF_DYNAMIC_INTERPRETER
;
3516 s
->contents
= (unsigned char *) ELF_DYNAMIC_INTERPRETER
;
3521 /* We may have created entries in the .rela.got section.
3522 However, if we are not creating the dynamic sections, we will
3523 not actually use these entries. Reset the size of .rela.got,
3524 which will cause it to get stripped from the output file
3526 s
= bfd_get_section_by_name (dynobj
, ".rela.got");
3531 /* If this is a -Bsymbolic shared link, then we need to discard all
3532 PC relative relocs against symbols defined in a regular object.
3533 We allocated space for them in the check_relocs routine, but we
3534 will not fill them in in the relocate_section routine. */
3535 if (info
->shared
&& info
->symbolic
)
3536 sh64_elf64_link_hash_traverse (sh64_elf64_hash_table (info
),
3537 sh64_elf64_discard_copies
, NULL
);
3539 /* The check_relocs and adjust_dynamic_symbol entry points have
3540 determined the sizes of the various dynamic sections. Allocate
3545 for (s
= dynobj
->sections
; s
!= NULL
; s
= s
->next
)
3549 if ((s
->flags
& SEC_LINKER_CREATED
) == 0)
3552 /* It's OK to base decisions on the section name, because none
3553 of the dynobj section names depend upon the input files. */
3554 name
= bfd_get_section_name (dynobj
, s
);
3556 if (strcmp (name
, ".plt") == 0)
3558 /* Remember whether there is a PLT. */
3561 else if (CONST_STRNEQ (name
, ".rela"))
3567 /* Remember whether there are any reloc sections other
3569 if (strcmp (name
, ".rela.plt") != 0)
3571 const char *outname
;
3575 /* If this relocation section applies to a read only
3576 section, then we probably need a DT_TEXTREL
3577 entry. The entries in the .rela.plt section
3578 really apply to the .got section, which we
3579 created ourselves and so know is not readonly. */
3580 outname
= bfd_get_section_name (output_bfd
,
3582 target
= bfd_get_section_by_name (output_bfd
, outname
+ 5);
3584 && (target
->flags
& SEC_READONLY
) != 0
3585 && (target
->flags
& SEC_ALLOC
) != 0)
3589 /* We use the reloc_count field as a counter if we need
3590 to copy relocs into the output file. */
3594 else if (! CONST_STRNEQ (name
, ".got")
3595 && strcmp (name
, ".dynbss") != 0)
3597 /* It's not one of our sections, so don't allocate space. */
3603 /* If we don't need this section, strip it from the
3604 output file. This is mostly to handle .rela.bss and
3605 .rela.plt. We must create both sections in
3606 create_dynamic_sections, because they must be created
3607 before the linker maps input sections to output
3608 sections. The linker does that before
3609 adjust_dynamic_symbol is called, and it is that
3610 function which decides whether anything needs to go
3611 into these sections. */
3612 s
->flags
|= SEC_EXCLUDE
;
3616 if ((s
->flags
& SEC_HAS_CONTENTS
) == 0)
3619 /* Allocate memory for the section contents. */
3620 s
->contents
= (bfd_byte
*) bfd_zalloc (dynobj
, s
->size
);
3621 if (s
->contents
== NULL
)
3625 if (elf_hash_table (info
)->dynamic_sections_created
)
3627 /* Add some entries to the .dynamic section. We fill in the
3628 values later, in sh64_elf64_finish_dynamic_sections, but we
3629 must add the entries now so that we get the correct size for
3630 the .dynamic section. The DT_DEBUG entry is filled in by the
3631 dynamic linker and used by the debugger. */
3632 if (info
->executable
)
3634 if (!_bfd_elf_add_dynamic_entry (info
, DT_DEBUG
, 0))
3640 if (!_bfd_elf_add_dynamic_entry (info
, DT_PLTGOT
, 0)
3641 || !_bfd_elf_add_dynamic_entry (info
, DT_PLTRELSZ
, 0)
3642 || !_bfd_elf_add_dynamic_entry (info
, DT_PLTREL
, DT_RELA
)
3643 || !_bfd_elf_add_dynamic_entry (info
, DT_JMPREL
, 0))
3649 if (!_bfd_elf_add_dynamic_entry (info
, DT_RELA
, 0)
3650 || !_bfd_elf_add_dynamic_entry (info
, DT_RELASZ
, 0)
3651 || !_bfd_elf_add_dynamic_entry (info
, DT_RELAENT
,
3652 sizeof (Elf64_External_Rela
)))
3658 if (!_bfd_elf_add_dynamic_entry (info
, DT_TEXTREL
, 0))
3666 /* Finish up dynamic symbol handling. We set the contents of various
3667 dynamic sections here. */
3670 sh64_elf64_finish_dynamic_symbol (bfd
*output_bfd
,
3671 struct bfd_link_info
*info
,
3672 struct elf_link_hash_entry
*h
,
3673 Elf_Internal_Sym
*sym
)
3677 dynobj
= elf_hash_table (info
)->dynobj
;
3679 if (h
->plt
.offset
!= (bfd_vma
) -1)
3687 Elf_Internal_Rela rel
;
3690 /* This symbol has an entry in the procedure linkage table. Set
3693 BFD_ASSERT (h
->dynindx
!= -1);
3695 splt
= bfd_get_section_by_name (dynobj
, ".plt");
3696 sgot
= bfd_get_section_by_name (dynobj
, ".got.plt");
3697 srel
= bfd_get_section_by_name (dynobj
, ".rela.plt");
3698 BFD_ASSERT (splt
!= NULL
&& sgot
!= NULL
&& srel
!= NULL
);
3700 /* Get the index in the procedure linkage table which
3701 corresponds to this symbol. This is the index of this symbol
3702 in all the symbols for which we are making plt entries. The
3703 first entry in the procedure linkage table is reserved. */
3704 plt_index
= h
->plt
.offset
/ elf_sh64_sizeof_plt (info
) - 1;
3706 /* Get the offset into the .got table of the entry that
3707 corresponds to this function. Each .got entry is 8 bytes.
3708 The first three are reserved. */
3709 got_offset
= (plt_index
+ 3) * 8;
3712 got_offset
-= GOT_BIAS
;
3714 /* Fill in the entry in the procedure linkage table. */
3717 if (elf_sh64_plt_entry
== NULL
)
3719 elf_sh64_plt_entry
= (bfd_big_endian (output_bfd
) ?
3720 elf_sh64_plt_entry_be
: elf_sh64_plt_entry_le
);
3722 memcpy (splt
->contents
+ h
->plt
.offset
, elf_sh64_plt_entry
,
3723 elf_sh64_sizeof_plt (info
));
3724 movi_3shori_putval (output_bfd
,
3725 (sgot
->output_section
->vma
3726 + sgot
->output_offset
3728 (splt
->contents
+ h
->plt
.offset
3729 + elf_sh64_plt_symbol_offset (info
)));
3731 /* Set bottom bit because its for a branch to SHmedia */
3732 movi_shori_putval (output_bfd
,
3734 + elf_sh64_plt_plt0_offset (info
) + 8)
3736 (splt
->contents
+ h
->plt
.offset
3737 + elf_sh64_plt_plt0_offset (info
)));
3741 if (elf_sh64_pic_plt_entry
== NULL
)
3743 elf_sh64_pic_plt_entry
= (bfd_big_endian (output_bfd
) ?
3744 elf_sh64_pic_plt_entry_be
:
3745 elf_sh64_pic_plt_entry_le
);
3747 memcpy (splt
->contents
+ h
->plt
.offset
, elf_sh64_pic_plt_entry
,
3748 elf_sh64_sizeof_plt (info
));
3749 movi_shori_putval (output_bfd
, got_offset
,
3750 (splt
->contents
+ h
->plt
.offset
3751 + elf_sh64_plt_symbol_offset (info
)));
3755 got_offset
+= GOT_BIAS
;
3757 movi_shori_putval (output_bfd
,
3758 plt_index
* sizeof (Elf64_External_Rela
),
3759 (splt
->contents
+ h
->plt
.offset
3760 + elf_sh64_plt_reloc_offset (info
)));
3762 /* Fill in the entry in the global offset table. */
3763 bfd_put_64 (output_bfd
,
3764 (splt
->output_section
->vma
3765 + splt
->output_offset
3767 + elf_sh64_plt_temp_offset (info
)),
3768 sgot
->contents
+ got_offset
);
3770 /* Fill in the entry in the .rela.plt section. */
3771 rel
.r_offset
= (sgot
->output_section
->vma
3772 + sgot
->output_offset
3774 rel
.r_info
= ELF64_R_INFO (h
->dynindx
, R_SH_JMP_SLOT64
);
3776 rel
.r_addend
= GOT_BIAS
;
3777 loc
= srel
->contents
+ plt_index
* sizeof (Elf64_External_Rela
);
3778 bfd_elf64_swap_reloca_out (output_bfd
, &rel
, loc
);
3780 if (!h
->def_regular
)
3782 /* Mark the symbol as undefined, rather than as defined in
3783 the .plt section. Leave the value alone. */
3784 sym
->st_shndx
= SHN_UNDEF
;
3788 if (h
->got
.offset
!= (bfd_vma
) -1)
3792 Elf_Internal_Rela rel
;
3795 /* This symbol has an entry in the global offset table. Set it
3798 sgot
= bfd_get_section_by_name (dynobj
, ".got");
3799 srel
= bfd_get_section_by_name (dynobj
, ".rela.got");
3800 BFD_ASSERT (sgot
!= NULL
&& srel
!= NULL
);
3802 rel
.r_offset
= (sgot
->output_section
->vma
3803 + sgot
->output_offset
3804 + (h
->got
.offset
&~ 1));
3806 /* If this is a -Bsymbolic link, and the symbol is defined
3807 locally, we just want to emit a RELATIVE reloc. Likewise if
3808 the symbol was forced to be local because of a version file.
3809 The entry in the global offset table will already have been
3810 initialized in the relocate_section function. */
3812 && (info
->symbolic
|| h
->dynindx
== -1)
3815 rel
.r_info
= ELF64_R_INFO (0, R_SH_RELATIVE64
);
3816 rel
.r_addend
= (h
->root
.u
.def
.value
3817 + h
->root
.u
.def
.section
->output_section
->vma
3818 + h
->root
.u
.def
.section
->output_offset
);
3822 bfd_put_64 (output_bfd
, (bfd_vma
) 0, sgot
->contents
+ h
->got
.offset
);
3823 rel
.r_info
= ELF64_R_INFO (h
->dynindx
, R_SH_GLOB_DAT64
);
3827 loc
= srel
->contents
;
3828 loc
+= srel
->reloc_count
++ * sizeof (Elf64_External_Rela
);
3829 bfd_elf64_swap_reloca_out (output_bfd
, &rel
, loc
);
3835 Elf_Internal_Rela rel
;
3838 /* This symbol needs a copy reloc. Set it up. */
3840 BFD_ASSERT (h
->dynindx
!= -1
3841 && (h
->root
.type
== bfd_link_hash_defined
3842 || h
->root
.type
== bfd_link_hash_defweak
));
3844 s
= bfd_get_section_by_name (h
->root
.u
.def
.section
->owner
,
3846 BFD_ASSERT (s
!= NULL
);
3848 rel
.r_offset
= (h
->root
.u
.def
.value
3849 + h
->root
.u
.def
.section
->output_section
->vma
3850 + h
->root
.u
.def
.section
->output_offset
);
3851 rel
.r_info
= ELF64_R_INFO (h
->dynindx
, R_SH_COPY64
);
3854 loc
+= s
->reloc_count
++ * sizeof (Elf64_External_Rela
);
3855 bfd_elf64_swap_reloca_out (output_bfd
, &rel
, loc
);
3858 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */
3859 if (strcmp (h
->root
.root
.string
, "_DYNAMIC") == 0
3860 || h
== elf_hash_table (info
)->hgot
)
3861 sym
->st_shndx
= SHN_ABS
;
3866 /* Finish up the dynamic sections. */
3869 sh64_elf64_finish_dynamic_sections (bfd
*output_bfd
,
3870 struct bfd_link_info
*info
)
3876 dynobj
= elf_hash_table (info
)->dynobj
;
3878 sgot
= bfd_get_section_by_name (dynobj
, ".got.plt");
3879 BFD_ASSERT (sgot
!= NULL
);
3880 sdyn
= bfd_get_section_by_name (dynobj
, ".dynamic");
3882 if (elf_hash_table (info
)->dynamic_sections_created
)
3885 Elf64_External_Dyn
*dyncon
, *dynconend
;
3887 BFD_ASSERT (sdyn
!= NULL
);
3889 dyncon
= (Elf64_External_Dyn
*) sdyn
->contents
;
3890 dynconend
= (Elf64_External_Dyn
*) (sdyn
->contents
+ sdyn
->size
);
3891 for (; dyncon
< dynconend
; dyncon
++)
3893 Elf_Internal_Dyn dyn
;
3896 struct elf_link_hash_entry
*h
;
3898 bfd_elf64_swap_dyn_in (dynobj
, dyncon
, &dyn
);
3906 name
= info
->init_function
;
3910 name
= info
->fini_function
;
3912 if (dyn
.d_un
.d_val
!= 0)
3914 h
= elf_link_hash_lookup (elf_hash_table (info
), name
,
3915 FALSE
, FALSE
, TRUE
);
3916 if (h
!= NULL
&& (h
->other
& STO_SH5_ISA32
))
3918 dyn
.d_un
.d_val
|= 1;
3919 bfd_elf64_swap_dyn_out (output_bfd
, &dyn
, dyncon
);
3931 s
= bfd_get_section_by_name (output_bfd
, name
);
3932 BFD_ASSERT (s
!= NULL
);
3933 dyn
.d_un
.d_ptr
= s
->vma
;
3934 bfd_elf64_swap_dyn_out (output_bfd
, &dyn
, dyncon
);
3938 s
= bfd_get_section_by_name (output_bfd
, ".rela.plt");
3939 BFD_ASSERT (s
!= NULL
);
3940 dyn
.d_un
.d_val
= s
->size
;
3941 bfd_elf64_swap_dyn_out (output_bfd
, &dyn
, dyncon
);
3945 /* My reading of the SVR4 ABI indicates that the
3946 procedure linkage table relocs (DT_JMPREL) should be
3947 included in the overall relocs (DT_RELA). This is
3948 what Solaris does. However, UnixWare can not handle
3949 that case. Therefore, we override the DT_RELASZ entry
3950 here to make it not include the JMPREL relocs. Since
3951 the linker script arranges for .rela.plt to follow all
3952 other relocation sections, we don't have to worry
3953 about changing the DT_RELA entry. */
3954 s
= bfd_get_section_by_name (output_bfd
, ".rela.plt");
3956 dyn
.d_un
.d_val
-= s
->size
;
3957 bfd_elf64_swap_dyn_out (output_bfd
, &dyn
, dyncon
);
3962 /* Fill in the first entry in the procedure linkage table. */
3963 splt
= bfd_get_section_by_name (dynobj
, ".plt");
3964 if (splt
&& splt
->size
> 0)
3968 if (elf_sh64_pic_plt_entry
== NULL
)
3970 elf_sh64_pic_plt_entry
= (bfd_big_endian (output_bfd
) ?
3971 elf_sh64_pic_plt_entry_be
:
3972 elf_sh64_pic_plt_entry_le
);
3974 memcpy (splt
->contents
, elf_sh64_pic_plt_entry
,
3975 elf_sh64_sizeof_plt (info
));
3979 if (elf_sh64_plt0_entry
== NULL
)
3981 elf_sh64_plt0_entry
= (bfd_big_endian (output_bfd
) ?
3982 elf_sh64_plt0_entry_be
:
3983 elf_sh64_plt0_entry_le
);
3985 memcpy (splt
->contents
, elf_sh64_plt0_entry
, PLT_ENTRY_SIZE
);
3986 movi_3shori_putval (output_bfd
,
3987 sgot
->output_section
->vma
3988 + sgot
->output_offset
,
3990 + elf_sh64_plt0_gotplt_offset (info
));
3993 /* UnixWare sets the entsize of .plt to 8, although that doesn't
3994 really seem like the right value. */
3995 elf_section_data (splt
->output_section
)->this_hdr
.sh_entsize
= 8;
3999 /* Fill in the first three entries in the global offset table. */
4003 bfd_put_64 (output_bfd
, (bfd_vma
) 0, sgot
->contents
);
4005 bfd_put_64 (output_bfd
,
4006 sdyn
->output_section
->vma
+ sdyn
->output_offset
,
4008 bfd_put_64 (output_bfd
, (bfd_vma
) 0, sgot
->contents
+ 8);
4009 bfd_put_64 (output_bfd
, (bfd_vma
) 0, sgot
->contents
+ 16);
4012 elf_section_data (sgot
->output_section
)->this_hdr
.sh_entsize
= 8;
4017 /* Merge non visibility st_other attribute when the symbol comes from
4018 a dynamic object. */
4020 sh64_elf64_merge_symbol_attribute (struct elf_link_hash_entry
*h
,
4021 const Elf_Internal_Sym
*isym
,
4022 bfd_boolean definition
,
4023 bfd_boolean dynamic
)
4025 if (isym
->st_other
!= 0 && dynamic
)
4027 unsigned char other
;
4029 /* Take the balance of OTHER from the definition. */
4030 other
= (definition
? isym
->st_other
: h
->other
);
4031 other
&= ~ ELF_ST_VISIBILITY (-1);
4032 h
->other
= other
| ELF_ST_VISIBILITY (h
->other
);
4038 static const struct bfd_elf_special_section sh64_elf64_special_sections
[]=
4040 { STRING_COMMA_LEN (".cranges"), 0, SHT_PROGBITS
, 0 },
4041 { NULL
, 0, 0, 0, 0 }
4044 #define TARGET_BIG_SYM bfd_elf64_sh64_vec
4045 #define TARGET_BIG_NAME "elf64-sh64"
4046 #define TARGET_LITTLE_SYM bfd_elf64_sh64l_vec
4047 #define TARGET_LITTLE_NAME "elf64-sh64l"
4048 #define ELF_ARCH bfd_arch_sh
4049 #define ELF_MACHINE_CODE EM_SH
4050 #define ELF_MAXPAGESIZE 128
4052 #define elf_symbol_leading_char '_'
4054 #define bfd_elf64_bfd_reloc_type_lookup sh_elf64_reloc_type_lookup
4055 #define elf_info_to_howto sh_elf64_info_to_howto
4057 /* Note: there's no relaxation at present. */
4059 #define elf_backend_relocate_section sh_elf64_relocate_section
4060 #define bfd_elf64_bfd_get_relocated_section_contents \
4061 sh_elf64_get_relocated_section_contents
4062 #define elf_backend_object_p sh_elf64_set_mach_from_flags
4063 #define bfd_elf64_bfd_set_private_flags \
4064 sh_elf64_set_private_flags
4065 #define bfd_elf64_bfd_copy_private_bfd_data \
4066 sh_elf64_copy_private_data
4067 #define bfd_elf64_bfd_merge_private_bfd_data \
4068 sh_elf64_merge_private_data
4069 #define elf_backend_fake_sections sh64_elf64_fake_sections
4071 #define elf_backend_gc_mark_hook sh_elf64_gc_mark_hook
4072 #define elf_backend_check_relocs sh_elf64_check_relocs
4074 #define elf_backend_can_gc_sections 1
4076 #define elf_backend_get_symbol_type sh64_elf64_get_symbol_type
4078 #define elf_backend_add_symbol_hook sh64_elf64_add_symbol_hook
4080 #define elf_backend_link_output_symbol_hook \
4081 sh64_elf64_link_output_symbol_hook
4083 #define elf_backend_merge_symbol_attribute \
4084 sh64_elf64_merge_symbol_attribute
4086 #define elf_backend_final_write_processing \
4087 sh64_elf64_final_write_processing
4089 #define elf_backend_create_dynamic_sections \
4090 sh64_elf64_create_dynamic_sections
4091 #define bfd_elf64_bfd_link_hash_table_create \
4092 sh64_elf64_link_hash_table_create
4093 #define elf_backend_adjust_dynamic_symbol \
4094 sh64_elf64_adjust_dynamic_symbol
4095 #define elf_backend_size_dynamic_sections \
4096 sh64_elf64_size_dynamic_sections
4097 #define elf_backend_omit_section_dynsym \
4098 ((bfd_boolean (*) (bfd *, struct bfd_link_info *, asection *)) bfd_true)
4099 #define elf_backend_finish_dynamic_symbol \
4100 sh64_elf64_finish_dynamic_symbol
4101 #define elf_backend_finish_dynamic_sections \
4102 sh64_elf64_finish_dynamic_sections
4103 #define elf_backend_special_sections sh64_elf64_special_sections
4105 #define elf_backend_want_got_plt 1
4106 #define elf_backend_plt_readonly 1
4107 #define elf_backend_want_plt_sym 0
4108 #define elf_backend_got_header_size 24
4110 #include "elf64-target.h"
4112 /* NetBSD support. */
4113 #undef TARGET_BIG_SYM
4114 #define TARGET_BIG_SYM bfd_elf64_sh64nbsd_vec
4115 #undef TARGET_BIG_NAME
4116 #define TARGET_BIG_NAME "elf64-sh64-nbsd"
4117 #undef TARGET_LITTLE_SYM
4118 #define TARGET_LITTLE_SYM bfd_elf64_sh64lnbsd_vec
4119 #undef TARGET_LITTLE_NAME
4120 #define TARGET_LITTLE_NAME "elf64-sh64l-nbsd"
4121 #undef ELF_MAXPAGESIZE
4122 #define ELF_MAXPAGESIZE 0x10000
4123 #undef elf_symbol_leading_char
4124 #define elf_symbol_leading_char 0
4126 #define elf64_bed elf64_sh64_nbsd_bed
4128 #include "elf64-target.h"
4130 /* Linux support. */
4131 #undef TARGET_BIG_SYM
4132 #define TARGET_BIG_SYM bfd_elf64_sh64blin_vec
4133 #undef TARGET_BIG_NAME
4134 #define TARGET_BIG_NAME "elf64-sh64big-linux"
4135 #undef TARGET_LITTLE_SYM
4136 #define TARGET_LITTLE_SYM bfd_elf64_sh64lin_vec
4137 #undef TARGET_LITTLE_NAME
4138 #define TARGET_LITTLE_NAME "elf64-sh64-linux"
4140 #define INCLUDED_TARGET_FILE
4141 #include "elf64-target.h"