1 /* Renesas / SuperH SH specific support for 32-bit ELF
2 Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
3 2006 Free Software Foundation, Inc.
4 Contributed by Ian Lance Taylor, Cygnus Support.
6 This file is part of BFD, the Binary File Descriptor library.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
28 #include "libiberty.h"
29 #include "../opcodes/sh-opc.h"
31 static bfd_reloc_status_type sh_elf_reloc
32 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
33 static bfd_reloc_status_type sh_elf_ignore_reloc
34 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
35 static bfd_boolean sh_elf_relax_delete_bytes
36 (bfd *, asection *, bfd_vma, int);
37 static bfd_boolean sh_elf_align_loads
38 (bfd *, asection *, Elf_Internal_Rela *, bfd_byte *, bfd_boolean *);
40 static bfd_boolean sh_elf_swap_insns
41 (bfd *, asection *, void *, bfd_byte *, bfd_vma);
43 static int sh_elf_optimized_tls_reloc
44 (struct bfd_link_info *, int, int);
45 static bfd_vma dtpoff_base
46 (struct bfd_link_info *);
48 (struct bfd_link_info *, bfd_vma);
50 /* The name of the dynamic interpreter. This is put in the .interp
53 #define ELF_DYNAMIC_INTERPRETER "/usr/lib/libc.so.1"
55 static reloc_howto_type sh_elf_howto_table[] =
58 HOWTO (R_SH_NONE, /* type */
60 0, /* size (0 = byte, 1 = short, 2 = long) */
62 FALSE, /* pc_relative */
64 complain_overflow_dont, /* complain_on_overflow */
65 sh_elf_ignore_reloc, /* special_function */
66 "R_SH_NONE", /* name */
67 FALSE, /* partial_inplace */
70 FALSE), /* pcrel_offset */
72 /* 32 bit absolute relocation. Setting partial_inplace to TRUE and
73 src_mask to a non-zero value is similar to the COFF toolchain. */
74 HOWTO (R_SH_DIR32, /* type */
76 2, /* size (0 = byte, 1 = short, 2 = long) */
78 FALSE, /* pc_relative */
80 complain_overflow_bitfield, /* complain_on_overflow */
81 sh_elf_reloc, /* special_function */
82 "R_SH_DIR32", /* name */
83 TRUE, /* partial_inplace */
84 0xffffffff, /* src_mask */
85 0xffffffff, /* dst_mask */
86 FALSE), /* pcrel_offset */
88 /* 32 bit PC relative relocation. */
89 HOWTO (R_SH_REL32, /* type */
91 2, /* size (0 = byte, 1 = short, 2 = long) */
93 TRUE, /* pc_relative */
95 complain_overflow_signed, /* complain_on_overflow */
96 sh_elf_ignore_reloc, /* special_function */
97 "R_SH_REL32", /* name */
98 TRUE, /* partial_inplace */
99 0xffffffff, /* src_mask */
100 0xffffffff, /* dst_mask */
101 TRUE), /* pcrel_offset */
103 /* 8 bit PC relative branch divided by 2. */
104 HOWTO (R_SH_DIR8WPN, /* type */
106 1, /* size (0 = byte, 1 = short, 2 = long) */
108 TRUE, /* pc_relative */
110 complain_overflow_signed, /* complain_on_overflow */
111 sh_elf_ignore_reloc, /* special_function */
112 "R_SH_DIR8WPN", /* name */
113 TRUE, /* partial_inplace */
116 TRUE), /* pcrel_offset */
118 /* 12 bit PC relative branch divided by 2. */
119 /* This cannot be partial_inplace because relaxation can't know the
120 eventual value of a symbol. */
121 HOWTO (R_SH_IND12W, /* type */
123 1, /* size (0 = byte, 1 = short, 2 = long) */
125 TRUE, /* pc_relative */
127 complain_overflow_signed, /* complain_on_overflow */
128 NULL, /* special_function */
129 "R_SH_IND12W", /* name */
130 FALSE, /* partial_inplace */
132 0xfff, /* dst_mask */
133 TRUE), /* pcrel_offset */
135 /* 8 bit unsigned PC relative divided by 4. */
136 HOWTO (R_SH_DIR8WPL, /* type */
138 1, /* size (0 = byte, 1 = short, 2 = long) */
140 TRUE, /* pc_relative */
142 complain_overflow_unsigned, /* complain_on_overflow */
143 sh_elf_ignore_reloc, /* special_function */
144 "R_SH_DIR8WPL", /* name */
145 TRUE, /* partial_inplace */
148 TRUE), /* pcrel_offset */
150 /* 8 bit unsigned PC relative divided by 2. */
151 HOWTO (R_SH_DIR8WPZ, /* type */
153 1, /* size (0 = byte, 1 = short, 2 = long) */
155 TRUE, /* pc_relative */
157 complain_overflow_unsigned, /* complain_on_overflow */
158 sh_elf_ignore_reloc, /* special_function */
159 "R_SH_DIR8WPZ", /* name */
160 TRUE, /* partial_inplace */
163 TRUE), /* pcrel_offset */
165 /* 8 bit GBR relative. FIXME: This only makes sense if we have some
166 special symbol for the GBR relative area, and that is not
168 HOWTO (R_SH_DIR8BP, /* type */
170 1, /* size (0 = byte, 1 = short, 2 = long) */
172 FALSE, /* pc_relative */
174 complain_overflow_unsigned, /* complain_on_overflow */
175 sh_elf_ignore_reloc, /* special_function */
176 "R_SH_DIR8BP", /* name */
177 FALSE, /* partial_inplace */
180 TRUE), /* pcrel_offset */
182 /* 8 bit GBR relative divided by 2. FIXME: This only makes sense if
183 we have some special symbol for the GBR relative area, and that
184 is not implemented. */
185 HOWTO (R_SH_DIR8W, /* type */
187 1, /* size (0 = byte, 1 = short, 2 = long) */
189 FALSE, /* pc_relative */
191 complain_overflow_unsigned, /* complain_on_overflow */
192 sh_elf_ignore_reloc, /* special_function */
193 "R_SH_DIR8W", /* name */
194 FALSE, /* partial_inplace */
197 TRUE), /* pcrel_offset */
199 /* 8 bit GBR relative divided by 4. FIXME: This only makes sense if
200 we have some special symbol for the GBR relative area, and that
201 is not implemented. */
202 HOWTO (R_SH_DIR8L, /* type */
204 1, /* size (0 = byte, 1 = short, 2 = long) */
206 FALSE, /* pc_relative */
208 complain_overflow_unsigned, /* complain_on_overflow */
209 sh_elf_ignore_reloc, /* special_function */
210 "R_SH_DIR8L", /* name */
211 FALSE, /* partial_inplace */
214 TRUE), /* pcrel_offset */
216 /* 8 bit PC relative divided by 2 - but specified in a very odd way. */
217 HOWTO (R_SH_LOOP_START, /* type */
219 1, /* size (0 = byte, 1 = short, 2 = long) */
221 FALSE, /* pc_relative */
223 complain_overflow_signed, /* complain_on_overflow */
224 sh_elf_ignore_reloc, /* special_function */
225 "R_SH_LOOP_START", /* name */
226 TRUE, /* partial_inplace */
229 TRUE), /* pcrel_offset */
231 /* 8 bit PC relative divided by 2 - but specified in a very odd way. */
232 HOWTO (R_SH_LOOP_END, /* type */
234 1, /* size (0 = byte, 1 = short, 2 = long) */
236 FALSE, /* pc_relative */
238 complain_overflow_signed, /* complain_on_overflow */
239 sh_elf_ignore_reloc, /* special_function */
240 "R_SH_LOOP_END", /* name */
241 TRUE, /* partial_inplace */
244 TRUE), /* pcrel_offset */
257 /* The remaining relocs are a GNU extension used for relaxing. The
258 final pass of the linker never needs to do anything with any of
259 these relocs. Any required operations are handled by the
262 /* GNU extension to record C++ vtable hierarchy */
263 HOWTO (R_SH_GNU_VTINHERIT, /* type */
265 2, /* size (0 = byte, 1 = short, 2 = long) */
267 FALSE, /* pc_relative */
269 complain_overflow_dont, /* complain_on_overflow */
270 NULL, /* special_function */
271 "R_SH_GNU_VTINHERIT", /* name */
272 FALSE, /* partial_inplace */
275 FALSE), /* pcrel_offset */
277 /* GNU extension to record C++ vtable member usage */
278 HOWTO (R_SH_GNU_VTENTRY, /* type */
280 2, /* size (0 = byte, 1 = short, 2 = long) */
282 FALSE, /* pc_relative */
284 complain_overflow_dont, /* complain_on_overflow */
285 _bfd_elf_rel_vtable_reloc_fn, /* special_function */
286 "R_SH_GNU_VTENTRY", /* name */
287 FALSE, /* partial_inplace */
290 FALSE), /* pcrel_offset */
292 /* An 8 bit switch table entry. This is generated for an expression
293 such as ``.word L1 - L2''. The offset holds the difference
294 between the reloc address and L2. */
295 HOWTO (R_SH_SWITCH8, /* type */
297 0, /* size (0 = byte, 1 = short, 2 = long) */
299 FALSE, /* pc_relative */
301 complain_overflow_unsigned, /* complain_on_overflow */
302 sh_elf_ignore_reloc, /* special_function */
303 "R_SH_SWITCH8", /* name */
304 FALSE, /* partial_inplace */
307 TRUE), /* pcrel_offset */
309 /* A 16 bit switch table entry. This is generated for an expression
310 such as ``.word L1 - L2''. The offset holds the difference
311 between the reloc address and L2. */
312 HOWTO (R_SH_SWITCH16, /* type */
314 1, /* size (0 = byte, 1 = short, 2 = long) */
316 FALSE, /* pc_relative */
318 complain_overflow_unsigned, /* complain_on_overflow */
319 sh_elf_ignore_reloc, /* special_function */
320 "R_SH_SWITCH16", /* name */
321 FALSE, /* partial_inplace */
324 TRUE), /* pcrel_offset */
326 /* A 32 bit switch table entry. This is generated for an expression
327 such as ``.long L1 - L2''. The offset holds the difference
328 between the reloc address and L2. */
329 HOWTO (R_SH_SWITCH32, /* type */
331 2, /* size (0 = byte, 1 = short, 2 = long) */
333 FALSE, /* pc_relative */
335 complain_overflow_unsigned, /* complain_on_overflow */
336 sh_elf_ignore_reloc, /* special_function */
337 "R_SH_SWITCH32", /* name */
338 FALSE, /* partial_inplace */
341 TRUE), /* pcrel_offset */
343 /* Indicates a .uses pseudo-op. The compiler will generate .uses
344 pseudo-ops when it finds a function call which can be relaxed.
345 The offset field holds the PC relative offset to the instruction
346 which loads the register used in the function call. */
347 HOWTO (R_SH_USES, /* type */
349 1, /* size (0 = byte, 1 = short, 2 = long) */
351 FALSE, /* pc_relative */
353 complain_overflow_unsigned, /* complain_on_overflow */
354 sh_elf_ignore_reloc, /* special_function */
355 "R_SH_USES", /* name */
356 FALSE, /* partial_inplace */
359 TRUE), /* pcrel_offset */
361 /* The assembler will generate this reloc for addresses referred to
362 by the register loads associated with USES relocs. The offset
363 field holds the number of times the address is referenced in the
365 HOWTO (R_SH_COUNT, /* type */
367 1, /* size (0 = byte, 1 = short, 2 = long) */
369 FALSE, /* pc_relative */
371 complain_overflow_unsigned, /* complain_on_overflow */
372 sh_elf_ignore_reloc, /* special_function */
373 "R_SH_COUNT", /* name */
374 FALSE, /* partial_inplace */
377 TRUE), /* pcrel_offset */
379 /* Indicates an alignment statement. The offset field is the power
380 of 2 to which subsequent portions of the object file must be
382 HOWTO (R_SH_ALIGN, /* type */
384 1, /* size (0 = byte, 1 = short, 2 = long) */
386 FALSE, /* pc_relative */
388 complain_overflow_unsigned, /* complain_on_overflow */
389 sh_elf_ignore_reloc, /* special_function */
390 "R_SH_ALIGN", /* name */
391 FALSE, /* partial_inplace */
394 TRUE), /* pcrel_offset */
396 /* The assembler will generate this reloc before a block of
397 instructions. A section should be processed as assuming it
398 contains data, unless this reloc is seen. */
399 HOWTO (R_SH_CODE, /* type */
401 1, /* size (0 = byte, 1 = short, 2 = long) */
403 FALSE, /* pc_relative */
405 complain_overflow_unsigned, /* complain_on_overflow */
406 sh_elf_ignore_reloc, /* special_function */
407 "R_SH_CODE", /* name */
408 FALSE, /* partial_inplace */
411 TRUE), /* pcrel_offset */
413 /* The assembler will generate this reloc after a block of
414 instructions when it sees data that is not instructions. */
415 HOWTO (R_SH_DATA, /* type */
417 1, /* size (0 = byte, 1 = short, 2 = long) */
419 FALSE, /* pc_relative */
421 complain_overflow_unsigned, /* complain_on_overflow */
422 sh_elf_ignore_reloc, /* special_function */
423 "R_SH_DATA", /* name */
424 FALSE, /* partial_inplace */
427 TRUE), /* pcrel_offset */
429 /* The assembler generates this reloc for each label within a block
430 of instructions. This permits the linker to avoid swapping
431 instructions which are the targets of branches. */
432 HOWTO (R_SH_LABEL, /* type */
434 1, /* size (0 = byte, 1 = short, 2 = long) */
436 FALSE, /* pc_relative */
438 complain_overflow_unsigned, /* complain_on_overflow */
439 sh_elf_ignore_reloc, /* special_function */
440 "R_SH_LABEL", /* name */
441 FALSE, /* partial_inplace */
444 TRUE), /* pcrel_offset */
446 /* The next 12 are only supported via linking in SHC-generated objects. */
447 HOWTO (R_SH_DIR16, /* type */
449 1, /* size (0 = byte, 1 = short, 2 = long) */
451 FALSE, /* pc_relative */
453 complain_overflow_dont, /* complain_on_overflow */
454 bfd_elf_generic_reloc, /* special_function */
455 "R_SH_DIR16", /* name */
456 FALSE, /* partial_inplace */
458 0xffff, /* dst_mask */
459 FALSE), /* pcrel_offset */
461 HOWTO (R_SH_DIR8, /* type */
463 0, /* size (0 = byte, 1 = short, 2 = long) */
465 FALSE, /* pc_relative */
467 complain_overflow_dont, /* complain_on_overflow */
468 bfd_elf_generic_reloc, /* special_function */
469 "R_SH_DIR8", /* name */
470 FALSE, /* partial_inplace */
473 FALSE), /* pcrel_offset */
475 HOWTO (R_SH_DIR8UL, /* type */
477 0, /* size (0 = byte, 1 = short, 2 = long) */
479 FALSE, /* pc_relative */
481 complain_overflow_unsigned, /* complain_on_overflow */
482 bfd_elf_generic_reloc, /* special_function */
483 "R_SH_DIR8UL", /* name */
484 FALSE, /* partial_inplace */
487 FALSE), /* pcrel_offset */
489 HOWTO (R_SH_DIR8UW, /* type */
491 0, /* size (0 = byte, 1 = short, 2 = long) */
493 FALSE, /* pc_relative */
495 complain_overflow_unsigned, /* complain_on_overflow */
496 bfd_elf_generic_reloc, /* special_function */
497 "R_SH_DIR8UW", /* name */
498 FALSE, /* partial_inplace */
501 FALSE), /* pcrel_offset */
503 HOWTO (R_SH_DIR8U, /* type */
505 0, /* size (0 = byte, 1 = short, 2 = long) */
507 FALSE, /* pc_relative */
509 complain_overflow_unsigned, /* complain_on_overflow */
510 bfd_elf_generic_reloc, /* special_function */
511 "R_SH_DIR8U", /* name */
512 FALSE, /* partial_inplace */
515 FALSE), /* pcrel_offset */
517 HOWTO (R_SH_DIR8SW, /* type */
519 0, /* size (0 = byte, 1 = short, 2 = long) */
521 FALSE, /* pc_relative */
523 complain_overflow_signed, /* complain_on_overflow */
524 bfd_elf_generic_reloc, /* special_function */
525 "R_SH_DIR8SW", /* name */
526 FALSE, /* partial_inplace */
529 FALSE), /* pcrel_offset */
531 HOWTO (R_SH_DIR8S, /* type */
533 0, /* size (0 = byte, 1 = short, 2 = long) */
535 FALSE, /* pc_relative */
537 complain_overflow_signed, /* complain_on_overflow */
538 bfd_elf_generic_reloc, /* special_function */
539 "R_SH_DIR8S", /* name */
540 FALSE, /* partial_inplace */
543 FALSE), /* pcrel_offset */
545 HOWTO (R_SH_DIR4UL, /* type */
547 0, /* size (0 = byte, 1 = short, 2 = long) */
549 FALSE, /* pc_relative */
551 complain_overflow_unsigned, /* complain_on_overflow */
552 bfd_elf_generic_reloc, /* special_function */
553 "R_SH_DIR4UL", /* name */
554 FALSE, /* partial_inplace */
557 FALSE), /* pcrel_offset */
559 HOWTO (R_SH_DIR4UW, /* type */
561 0, /* size (0 = byte, 1 = short, 2 = long) */
563 FALSE, /* pc_relative */
565 complain_overflow_unsigned, /* complain_on_overflow */
566 bfd_elf_generic_reloc, /* special_function */
567 "R_SH_DIR4UW", /* name */
568 FALSE, /* partial_inplace */
571 FALSE), /* pcrel_offset */
573 HOWTO (R_SH_DIR4U, /* type */
575 0, /* size (0 = byte, 1 = short, 2 = long) */
577 FALSE, /* pc_relative */
579 complain_overflow_unsigned, /* complain_on_overflow */
580 bfd_elf_generic_reloc, /* special_function */
581 "R_SH_DIR4U", /* name */
582 FALSE, /* partial_inplace */
585 FALSE), /* pcrel_offset */
587 HOWTO (R_SH_PSHA, /* type */
589 1, /* size (0 = byte, 1 = short, 2 = long) */
591 FALSE, /* pc_relative */
593 complain_overflow_signed, /* complain_on_overflow */
594 bfd_elf_generic_reloc, /* special_function */
595 "R_SH_PSHA", /* name */
596 FALSE, /* partial_inplace */
599 FALSE), /* pcrel_offset */
601 HOWTO (R_SH_PSHL, /* type */
603 1, /* size (0 = byte, 1 = short, 2 = long) */
605 FALSE, /* pc_relative */
607 complain_overflow_signed, /* complain_on_overflow */
608 bfd_elf_generic_reloc, /* special_function */
609 "R_SH_PSHL", /* name */
610 FALSE, /* partial_inplace */
613 FALSE), /* pcrel_offset */
615 #ifdef INCLUDE_SHMEDIA
616 /* Used in SHLLI.L and SHLRI.L. */
617 HOWTO (R_SH_DIR5U, /* type */
619 2, /* size (0 = byte, 1 = short, 2 = long) */
621 FALSE, /* pc_relative */
623 complain_overflow_unsigned, /* complain_on_overflow */
624 bfd_elf_generic_reloc, /* special_function */
625 "R_SH_DIR5U", /* name */
626 FALSE, /* partial_inplace */
628 0xfc00, /* dst_mask */
629 FALSE), /* pcrel_offset */
631 /* Used in SHARI, SHLLI et al. */
632 HOWTO (R_SH_DIR6U, /* type */
634 2, /* size (0 = byte, 1 = short, 2 = long) */
636 FALSE, /* pc_relative */
638 complain_overflow_unsigned, /* complain_on_overflow */
639 bfd_elf_generic_reloc, /* special_function */
640 "R_SH_DIR6U", /* name */
641 FALSE, /* partial_inplace */
643 0xfc00, /* dst_mask */
644 FALSE), /* pcrel_offset */
646 /* Used in BxxI, LDHI.L et al. */
647 HOWTO (R_SH_DIR6S, /* type */
649 2, /* size (0 = byte, 1 = short, 2 = long) */
651 FALSE, /* pc_relative */
653 complain_overflow_signed, /* complain_on_overflow */
654 bfd_elf_generic_reloc, /* special_function */
655 "R_SH_DIR6S", /* name */
656 FALSE, /* partial_inplace */
658 0xfc00, /* dst_mask */
659 FALSE), /* pcrel_offset */
661 /* Used in ADDI, ANDI et al. */
662 HOWTO (R_SH_DIR10S, /* type */
664 2, /* size (0 = byte, 1 = short, 2 = long) */
666 FALSE, /* pc_relative */
668 complain_overflow_signed, /* complain_on_overflow */
669 bfd_elf_generic_reloc, /* special_function */
670 "R_SH_DIR10S", /* name */
671 FALSE, /* partial_inplace */
673 0xffc00, /* dst_mask */
674 FALSE), /* pcrel_offset */
676 /* Used in LD.UW, ST.W et al. */
677 HOWTO (R_SH_DIR10SW, /* type */
679 2, /* size (0 = byte, 1 = short, 2 = long) */
681 FALSE, /* pc_relative */
683 complain_overflow_signed, /* complain_on_overflow */
684 bfd_elf_generic_reloc, /* special_function */
685 "R_SH_DIR10SW", /* name */
686 FALSE, /* partial_inplace */
688 0xffc00, /* dst_mask */
689 FALSE), /* pcrel_offset */
691 /* Used in LD.L, FLD.S et al. */
692 HOWTO (R_SH_DIR10SL, /* type */
694 2, /* size (0 = byte, 1 = short, 2 = long) */
696 FALSE, /* pc_relative */
698 complain_overflow_signed, /* complain_on_overflow */
699 bfd_elf_generic_reloc, /* special_function */
700 "R_SH_DIR10SL", /* name */
701 FALSE, /* partial_inplace */
703 0xffc00, /* dst_mask */
704 FALSE), /* pcrel_offset */
706 /* Used in FLD.D, FST.P et al. */
707 HOWTO (R_SH_DIR10SQ, /* type */
709 2, /* size (0 = byte, 1 = short, 2 = long) */
711 FALSE, /* pc_relative */
713 complain_overflow_signed, /* complain_on_overflow */
714 bfd_elf_generic_reloc, /* special_function */
715 "R_SH_DIR10SQ", /* name */
716 FALSE, /* partial_inplace */
718 0xffc00, /* dst_mask */
719 FALSE), /* pcrel_offset */
733 HOWTO (R_SH_DIR16S, /* type */
735 1, /* size (0 = byte, 1 = short, 2 = long) */
737 FALSE, /* pc_relative */
739 complain_overflow_signed, /* complain_on_overflow */
740 bfd_elf_generic_reloc, /* special_function */
741 "R_SH_DIR16S", /* name */
742 FALSE, /* partial_inplace */
744 0xffff, /* dst_mask */
745 FALSE), /* pcrel_offset */
838 HOWTO (R_SH_TLS_GD_32, /* type */
840 2, /* size (0 = byte, 1 = short, 2 = long) */
842 FALSE, /* pc_relative */
844 complain_overflow_bitfield, /* complain_on_overflow */
845 bfd_elf_generic_reloc, /* */
846 "R_SH_TLS_GD_32", /* name */
847 TRUE, /* partial_inplace */
848 0xffffffff, /* src_mask */
849 0xffffffff, /* dst_mask */
850 FALSE), /* pcrel_offset */
852 HOWTO (R_SH_TLS_LD_32, /* type */
854 2, /* size (0 = byte, 1 = short, 2 = long) */
856 FALSE, /* pc_relative */
858 complain_overflow_bitfield, /* complain_on_overflow */
859 bfd_elf_generic_reloc, /* */
860 "R_SH_TLS_LD_32", /* name */
861 TRUE, /* partial_inplace */
862 0xffffffff, /* src_mask */
863 0xffffffff, /* dst_mask */
864 FALSE), /* pcrel_offset */
866 HOWTO (R_SH_TLS_LDO_32, /* type */
868 2, /* size (0 = byte, 1 = short, 2 = long) */
870 FALSE, /* pc_relative */
872 complain_overflow_bitfield, /* complain_on_overflow */
873 bfd_elf_generic_reloc, /* */
874 "R_SH_TLS_LDO_32", /* name */
875 TRUE, /* partial_inplace */
876 0xffffffff, /* src_mask */
877 0xffffffff, /* dst_mask */
878 FALSE), /* pcrel_offset */
880 HOWTO (R_SH_TLS_IE_32, /* type */
882 2, /* size (0 = byte, 1 = short, 2 = long) */
884 FALSE, /* pc_relative */
886 complain_overflow_bitfield, /* complain_on_overflow */
887 bfd_elf_generic_reloc, /* */
888 "R_SH_TLS_IE_32", /* name */
889 TRUE, /* partial_inplace */
890 0xffffffff, /* src_mask */
891 0xffffffff, /* dst_mask */
892 FALSE), /* pcrel_offset */
894 HOWTO (R_SH_TLS_LE_32, /* type */
896 2, /* size (0 = byte, 1 = short, 2 = long) */
898 FALSE, /* pc_relative */
900 complain_overflow_bitfield, /* complain_on_overflow */
901 bfd_elf_generic_reloc, /* */
902 "R_SH_TLS_LE_32", /* name */
903 TRUE, /* partial_inplace */
904 0xffffffff, /* src_mask */
905 0xffffffff, /* dst_mask */
906 FALSE), /* pcrel_offset */
908 HOWTO (R_SH_TLS_DTPMOD32, /* type */
910 2, /* size (0 = byte, 1 = short, 2 = long) */
912 FALSE, /* pc_relative */
914 complain_overflow_bitfield, /* complain_on_overflow */
915 bfd_elf_generic_reloc, /* */
916 "R_SH_TLS_DTPMOD32", /* name */
917 TRUE, /* partial_inplace */
918 0xffffffff, /* src_mask */
919 0xffffffff, /* dst_mask */
920 FALSE), /* pcrel_offset */
922 HOWTO (R_SH_TLS_DTPOFF32, /* type */
924 2, /* size (0 = byte, 1 = short, 2 = long) */
926 FALSE, /* pc_relative */
928 complain_overflow_bitfield, /* complain_on_overflow */
929 bfd_elf_generic_reloc, /* */
930 "R_SH_TLS_DTPOFF32", /* name */
931 TRUE, /* partial_inplace */
932 0xffffffff, /* src_mask */
933 0xffffffff, /* dst_mask */
934 FALSE), /* pcrel_offset */
936 HOWTO (R_SH_TLS_TPOFF32, /* type */
938 2, /* size (0 = byte, 1 = short, 2 = long) */
940 FALSE, /* pc_relative */
942 complain_overflow_bitfield, /* complain_on_overflow */
943 bfd_elf_generic_reloc, /* */
944 "R_SH_TLS_TPOFF32", /* name */
945 TRUE, /* partial_inplace */
946 0xffffffff, /* src_mask */
947 0xffffffff, /* dst_mask */
948 FALSE), /* pcrel_offset */
959 HOWTO (R_SH_GOT32, /* type */
961 2, /* size (0 = byte, 1 = short, 2 = long) */
963 FALSE, /* pc_relative */
965 complain_overflow_bitfield, /* complain_on_overflow */
966 bfd_elf_generic_reloc, /* */
967 "R_SH_GOT32", /* name */
968 TRUE, /* partial_inplace */
969 0xffffffff, /* src_mask */
970 0xffffffff, /* dst_mask */
971 FALSE), /* pcrel_offset */
973 HOWTO (R_SH_PLT32, /* type */
975 2, /* size (0 = byte, 1 = short, 2 = long) */
977 TRUE, /* pc_relative */
979 complain_overflow_bitfield, /* complain_on_overflow */
980 bfd_elf_generic_reloc, /* */
981 "R_SH_PLT32", /* name */
982 TRUE, /* partial_inplace */
983 0xffffffff, /* src_mask */
984 0xffffffff, /* dst_mask */
985 TRUE), /* pcrel_offset */
987 HOWTO (R_SH_COPY, /* type */
989 2, /* size (0 = byte, 1 = short, 2 = long) */
991 FALSE, /* pc_relative */
993 complain_overflow_bitfield, /* complain_on_overflow */
994 bfd_elf_generic_reloc, /* */
995 "R_SH_COPY", /* name */
996 TRUE, /* partial_inplace */
997 0xffffffff, /* src_mask */
998 0xffffffff, /* dst_mask */
999 FALSE), /* pcrel_offset */
1001 HOWTO (R_SH_GLOB_DAT, /* type */
1003 2, /* size (0 = byte, 1 = short, 2 = long) */
1005 FALSE, /* pc_relative */
1007 complain_overflow_bitfield, /* complain_on_overflow */
1008 bfd_elf_generic_reloc, /* */
1009 "R_SH_GLOB_DAT", /* name */
1010 TRUE, /* partial_inplace */
1011 0xffffffff, /* src_mask */
1012 0xffffffff, /* dst_mask */
1013 FALSE), /* pcrel_offset */
1015 HOWTO (R_SH_JMP_SLOT, /* type */
1017 2, /* size (0 = byte, 1 = short, 2 = long) */
1019 FALSE, /* pc_relative */
1021 complain_overflow_bitfield, /* complain_on_overflow */
1022 bfd_elf_generic_reloc, /* */
1023 "R_SH_JMP_SLOT", /* name */
1024 TRUE, /* partial_inplace */
1025 0xffffffff, /* src_mask */
1026 0xffffffff, /* dst_mask */
1027 FALSE), /* pcrel_offset */
1029 HOWTO (R_SH_RELATIVE, /* type */
1031 2, /* size (0 = byte, 1 = short, 2 = long) */
1033 FALSE, /* pc_relative */
1035 complain_overflow_bitfield, /* complain_on_overflow */
1036 bfd_elf_generic_reloc, /* */
1037 "R_SH_RELATIVE", /* name */
1038 TRUE, /* partial_inplace */
1039 0xffffffff, /* src_mask */
1040 0xffffffff, /* dst_mask */
1041 FALSE), /* pcrel_offset */
1043 HOWTO (R_SH_GOTOFF, /* type */
1045 2, /* size (0 = byte, 1 = short, 2 = long) */
1047 FALSE, /* pc_relative */
1049 complain_overflow_bitfield, /* complain_on_overflow */
1050 bfd_elf_generic_reloc, /* */
1051 "R_SH_GOTOFF", /* name */
1052 TRUE, /* partial_inplace */
1053 0xffffffff, /* src_mask */
1054 0xffffffff, /* dst_mask */
1055 FALSE), /* pcrel_offset */
1057 HOWTO (R_SH_GOTPC, /* type */
1059 2, /* size (0 = byte, 1 = short, 2 = long) */
1061 TRUE, /* pc_relative */
1063 complain_overflow_bitfield, /* complain_on_overflow */
1064 bfd_elf_generic_reloc, /* */
1065 "R_SH_GOTPC", /* name */
1066 TRUE, /* partial_inplace */
1067 0xffffffff, /* src_mask */
1068 0xffffffff, /* dst_mask */
1069 TRUE), /* pcrel_offset */
1071 HOWTO (R_SH_GOTPLT32, /* type */
1073 2, /* size (0 = byte, 1 = short, 2 = long) */
1075 FALSE, /* pc_relative */
1077 complain_overflow_bitfield, /* complain_on_overflow */
1078 bfd_elf_generic_reloc, /* */
1079 "R_SH_GOTPLT32", /* name */
1080 FALSE, /* partial_inplace */
1081 0xffffffff, /* src_mask */
1082 0xffffffff, /* dst_mask */
1083 FALSE), /* pcrel_offset */
1085 #ifdef INCLUDE_SHMEDIA
1086 /* Used in MOVI and SHORI (x & 65536). */
1087 HOWTO (R_SH_GOT_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_GOT_LOW16", /* name */
1096 FALSE, /* partial_inplace */
1098 0x3fffc00, /* dst_mask */
1099 FALSE), /* pcrel_offset */
1101 /* Used in MOVI and SHORI ((x >> 16) & 65536). */
1102 HOWTO (R_SH_GOT_MEDLOW16, /* type */
1103 16, /* rightshift */
1104 2, /* size (0 = byte, 1 = short, 2 = long) */
1106 FALSE, /* pc_relative */
1108 complain_overflow_dont, /* complain_on_overflow */
1109 bfd_elf_generic_reloc, /* special_function */
1110 "R_SH_GOT_MEDLOW16", /* name */
1111 FALSE, /* partial_inplace */
1113 0x3fffc00, /* dst_mask */
1114 FALSE), /* pcrel_offset */
1116 /* Used in MOVI and SHORI ((x >> 32) & 65536). */
1117 HOWTO (R_SH_GOT_MEDHI16, /* type */
1118 32, /* 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_GOT_MEDHI16", /* name */
1126 FALSE, /* partial_inplace */
1128 0x3fffc00, /* dst_mask */
1129 FALSE), /* pcrel_offset */
1131 /* Used in MOVI and SHORI ((x >> 48) & 65536). */
1132 HOWTO (R_SH_GOT_HI16, /* type */
1133 48, /* rightshift */
1134 2, /* size (0 = byte, 1 = short, 2 = long) */
1136 FALSE, /* pc_relative */
1138 complain_overflow_dont, /* complain_on_overflow */
1139 bfd_elf_generic_reloc, /* special_function */
1140 "R_SH_GOT_HI16", /* name */
1141 FALSE, /* partial_inplace */
1143 0x3fffc00, /* dst_mask */
1144 FALSE), /* pcrel_offset */
1146 /* Used in MOVI and SHORI (x & 65536). */
1147 HOWTO (R_SH_GOTPLT_LOW16, /* type */
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_GOTPLT_LOW16", /* name */
1156 FALSE, /* partial_inplace */
1158 0x3fffc00, /* dst_mask */
1159 FALSE), /* pcrel_offset */
1161 /* Used in MOVI and SHORI ((x >> 16) & 65536). */
1162 HOWTO (R_SH_GOTPLT_MEDLOW16, /* type */
1163 16, /* rightshift */
1164 2, /* size (0 = byte, 1 = short, 2 = long) */
1166 FALSE, /* pc_relative */
1168 complain_overflow_dont, /* complain_on_overflow */
1169 bfd_elf_generic_reloc, /* special_function */
1170 "R_SH_GOTPLT_MEDLOW16", /* name */
1171 FALSE, /* partial_inplace */
1173 0x3fffc00, /* dst_mask */
1174 FALSE), /* pcrel_offset */
1176 /* Used in MOVI and SHORI ((x >> 32) & 65536). */
1177 HOWTO (R_SH_GOTPLT_MEDHI16, /* type */
1178 32, /* 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_GOTPLT_MEDHI16", /* 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_GOTPLT_HI16, /* type */
1193 48, /* rightshift */
1194 2, /* size (0 = byte, 1 = short, 2 = long) */
1196 FALSE, /* pc_relative */
1198 complain_overflow_dont, /* complain_on_overflow */
1199 bfd_elf_generic_reloc, /* special_function */
1200 "R_SH_GOTPLT_HI16", /* name */
1201 FALSE, /* partial_inplace */
1203 0x3fffc00, /* dst_mask */
1204 FALSE), /* pcrel_offset */
1206 /* Used in MOVI and SHORI (x & 65536). */
1207 HOWTO (R_SH_PLT_LOW16, /* type */
1209 2, /* size (0 = byte, 1 = short, 2 = long) */
1211 TRUE, /* pc_relative */
1213 complain_overflow_dont, /* complain_on_overflow */
1214 bfd_elf_generic_reloc, /* special_function */
1215 "R_SH_PLT_LOW16", /* name */
1216 FALSE, /* partial_inplace */
1218 0x3fffc00, /* dst_mask */
1219 TRUE), /* pcrel_offset */
1221 /* Used in MOVI and SHORI ((x >> 16) & 65536). */
1222 HOWTO (R_SH_PLT_MEDLOW16, /* type */
1223 16, /* 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_PLT_MEDLOW16", /* name */
1231 FALSE, /* partial_inplace */
1233 0x3fffc00, /* dst_mask */
1234 TRUE), /* pcrel_offset */
1236 /* Used in MOVI and SHORI ((x >> 32) & 65536). */
1237 HOWTO (R_SH_PLT_MEDHI16, /* type */
1238 32, /* rightshift */
1239 2, /* size (0 = byte, 1 = short, 2 = long) */
1241 TRUE, /* pc_relative */
1243 complain_overflow_dont, /* complain_on_overflow */
1244 bfd_elf_generic_reloc, /* special_function */
1245 "R_SH_PLT_MEDHI16", /* name */
1246 FALSE, /* partial_inplace */
1248 0x3fffc00, /* dst_mask */
1249 TRUE), /* pcrel_offset */
1251 /* Used in MOVI and SHORI ((x >> 48) & 65536). */
1252 HOWTO (R_SH_PLT_HI16, /* type */
1253 48, /* rightshift */
1254 2, /* size (0 = byte, 1 = short, 2 = long) */
1256 TRUE, /* pc_relative */
1258 complain_overflow_dont, /* complain_on_overflow */
1259 bfd_elf_generic_reloc, /* special_function */
1260 "R_SH_PLT_HI16", /* name */
1261 FALSE, /* partial_inplace */
1263 0x3fffc00, /* dst_mask */
1264 TRUE), /* pcrel_offset */
1266 /* Used in MOVI and SHORI (x & 65536). */
1267 HOWTO (R_SH_GOTOFF_LOW16, /* type */
1269 2, /* size (0 = byte, 1 = short, 2 = long) */
1271 FALSE, /* pc_relative */
1273 complain_overflow_dont, /* complain_on_overflow */
1274 bfd_elf_generic_reloc, /* special_function */
1275 "R_SH_GOTOFF_LOW16", /* name */
1276 FALSE, /* partial_inplace */
1278 0x3fffc00, /* dst_mask */
1279 FALSE), /* pcrel_offset */
1281 /* Used in MOVI and SHORI ((x >> 16) & 65536). */
1282 HOWTO (R_SH_GOTOFF_MEDLOW16, /* type */
1283 16, /* rightshift */
1284 2, /* size (0 = byte, 1 = short, 2 = long) */
1286 FALSE, /* pc_relative */
1288 complain_overflow_dont, /* complain_on_overflow */
1289 bfd_elf_generic_reloc, /* special_function */
1290 "R_SH_GOTOFF_MEDLOW16", /* name */
1291 FALSE, /* partial_inplace */
1293 0x3fffc00, /* dst_mask */
1294 FALSE), /* pcrel_offset */
1296 /* Used in MOVI and SHORI ((x >> 32) & 65536). */
1297 HOWTO (R_SH_GOTOFF_MEDHI16, /* type */
1298 32, /* rightshift */
1299 2, /* size (0 = byte, 1 = short, 2 = long) */
1301 FALSE, /* pc_relative */
1303 complain_overflow_dont, /* complain_on_overflow */
1304 bfd_elf_generic_reloc, /* special_function */
1305 "R_SH_GOTOFF_MEDHI16", /* name */
1306 FALSE, /* partial_inplace */
1308 0x3fffc00, /* dst_mask */
1309 FALSE), /* pcrel_offset */
1311 /* Used in MOVI and SHORI ((x >> 48) & 65536). */
1312 HOWTO (R_SH_GOTOFF_HI16, /* type */
1313 48, /* rightshift */
1314 2, /* size (0 = byte, 1 = short, 2 = long) */
1316 FALSE, /* pc_relative */
1318 complain_overflow_dont, /* complain_on_overflow */
1319 bfd_elf_generic_reloc, /* special_function */
1320 "R_SH_GOTOFF_HI16", /* name */
1321 FALSE, /* partial_inplace */
1323 0x3fffc00, /* dst_mask */
1324 FALSE), /* pcrel_offset */
1326 /* Used in MOVI and SHORI (x & 65536). */
1327 HOWTO (R_SH_GOTPC_LOW16, /* type */
1329 2, /* size (0 = byte, 1 = short, 2 = long) */
1331 TRUE, /* pc_relative */
1333 complain_overflow_dont, /* complain_on_overflow */
1334 bfd_elf_generic_reloc, /* special_function */
1335 "R_SH_GOTPC_LOW16", /* name */
1336 FALSE, /* partial_inplace */
1338 0x3fffc00, /* dst_mask */
1339 TRUE), /* pcrel_offset */
1341 /* Used in MOVI and SHORI ((x >> 16) & 65536). */
1342 HOWTO (R_SH_GOTPC_MEDLOW16, /* type */
1343 16, /* rightshift */
1344 2, /* size (0 = byte, 1 = short, 2 = long) */
1346 TRUE, /* pc_relative */
1348 complain_overflow_dont, /* complain_on_overflow */
1349 bfd_elf_generic_reloc, /* special_function */
1350 "R_SH_GOTPC_MEDLOW16", /* name */
1351 FALSE, /* partial_inplace */
1353 0x3fffc00, /* dst_mask */
1354 TRUE), /* pcrel_offset */
1356 /* Used in MOVI and SHORI ((x >> 32) & 65536). */
1357 HOWTO (R_SH_GOTPC_MEDHI16, /* type */
1358 32, /* rightshift */
1359 2, /* size (0 = byte, 1 = short, 2 = long) */
1361 TRUE, /* pc_relative */
1363 complain_overflow_dont, /* complain_on_overflow */
1364 bfd_elf_generic_reloc, /* special_function */
1365 "R_SH_GOTPC_MEDHI16", /* name */
1366 FALSE, /* partial_inplace */
1368 0x3fffc00, /* dst_mask */
1369 TRUE), /* pcrel_offset */
1371 /* Used in MOVI and SHORI ((x >> 48) & 65536). */
1372 HOWTO (R_SH_GOTPC_HI16, /* type */
1373 48, /* rightshift */
1374 2, /* size (0 = byte, 1 = short, 2 = long) */
1376 TRUE, /* pc_relative */
1378 complain_overflow_dont, /* complain_on_overflow */
1379 bfd_elf_generic_reloc, /* special_function */
1380 "R_SH_GOTPC_HI16", /* name */
1381 FALSE, /* partial_inplace */
1383 0x3fffc00, /* dst_mask */
1384 TRUE), /* pcrel_offset */
1386 /* Used in LD.L, FLD.S et al. */
1387 HOWTO (R_SH_GOT10BY4, /* type */
1389 2, /* size (0 = byte, 1 = short, 2 = long) */
1391 FALSE, /* pc_relative */
1393 complain_overflow_signed, /* complain_on_overflow */
1394 bfd_elf_generic_reloc, /* special_function */
1395 "R_SH_GOT10BY4", /* name */
1396 FALSE, /* partial_inplace */
1398 0xffc00, /* dst_mask */
1399 FALSE), /* pcrel_offset */
1401 /* Used in LD.L, FLD.S et al. */
1402 HOWTO (R_SH_GOTPLT10BY4, /* type */
1404 2, /* size (0 = byte, 1 = short, 2 = long) */
1406 FALSE, /* pc_relative */
1408 complain_overflow_signed, /* complain_on_overflow */
1409 bfd_elf_generic_reloc, /* special_function */
1410 "R_SH_GOTPLT10BY4", /* name */
1411 FALSE, /* partial_inplace */
1413 0xffc00, /* dst_mask */
1414 FALSE), /* pcrel_offset */
1416 /* Used in FLD.D, FST.P et al. */
1417 HOWTO (R_SH_GOT10BY8, /* type */
1419 2, /* size (0 = byte, 1 = short, 2 = long) */
1421 FALSE, /* pc_relative */
1423 complain_overflow_signed, /* complain_on_overflow */
1424 bfd_elf_generic_reloc, /* special_function */
1425 "R_SH_GOT10BY8", /* name */
1426 FALSE, /* partial_inplace */
1428 0xffc00, /* dst_mask */
1429 FALSE), /* pcrel_offset */
1431 /* Used in FLD.D, FST.P et al. */
1432 HOWTO (R_SH_GOTPLT10BY8, /* type */
1434 2, /* size (0 = byte, 1 = short, 2 = long) */
1436 FALSE, /* pc_relative */
1438 complain_overflow_signed, /* complain_on_overflow */
1439 bfd_elf_generic_reloc, /* special_function */
1440 "R_SH_GOTPLT10BY8", /* name */
1441 FALSE, /* partial_inplace */
1443 0xffc00, /* dst_mask */
1444 FALSE), /* pcrel_offset */
1446 HOWTO (R_SH_COPY64, /* type */
1448 4, /* size (0 = byte, 1 = short, 2 = long) */
1450 FALSE, /* pc_relative */
1452 complain_overflow_dont, /* complain_on_overflow */
1453 bfd_elf_generic_reloc, /* special_function */
1454 "R_SH_COPY64", /* name */
1455 FALSE, /* partial_inplace */
1457 ((bfd_vma) 0) - 1, /* dst_mask */
1458 FALSE), /* pcrel_offset */
1460 HOWTO (R_SH_GLOB_DAT64, /* type */
1462 4, /* size (0 = byte, 1 = short, 2 = long) */
1464 FALSE, /* pc_relative */
1466 complain_overflow_dont, /* complain_on_overflow */
1467 bfd_elf_generic_reloc, /* special_function */
1468 "R_SH_GLOB_DAT64", /* name */
1469 FALSE, /* partial_inplace */
1471 ((bfd_vma) 0) - 1, /* dst_mask */
1472 FALSE), /* pcrel_offset */
1474 HOWTO (R_SH_JMP_SLOT64, /* type */
1476 4, /* size (0 = byte, 1 = short, 2 = long) */
1478 FALSE, /* pc_relative */
1480 complain_overflow_dont, /* complain_on_overflow */
1481 bfd_elf_generic_reloc, /* special_function */
1482 "R_SH_JMP_SLOT64", /* name */
1483 FALSE, /* partial_inplace */
1485 ((bfd_vma) 0) - 1, /* dst_mask */
1486 FALSE), /* pcrel_offset */
1488 HOWTO (R_SH_RELATIVE64, /* type */
1490 4, /* size (0 = byte, 1 = short, 2 = long) */
1492 FALSE, /* pc_relative */
1494 complain_overflow_dont, /* complain_on_overflow */
1495 bfd_elf_generic_reloc, /* special_function */
1496 "R_SH_RELATIVE64", /* name */
1497 FALSE, /* partial_inplace */
1499 ((bfd_vma) 0) - 1, /* dst_mask */
1500 FALSE), /* pcrel_offset */
1548 /* Relocations for SHmedia code. None of these are partial_inplace or
1549 use the field being relocated (except R_SH_PT_16). */
1551 /* The assembler will generate this reloc before a block of SHmedia
1552 instructions. A section should be processed as assuming it contains
1553 data, unless this reloc is seen. Note that a block of SHcompact
1554 instructions are instead preceded by R_SH_CODE.
1555 This is currently not implemented, but should be used for SHmedia
1556 linker relaxation. */
1557 HOWTO (R_SH_SHMEDIA_CODE, /* type */
1559 1, /* size (0 = byte, 1 = short, 2 = long) */
1561 FALSE, /* pc_relative */
1563 complain_overflow_unsigned, /* complain_on_overflow */
1564 sh_elf_ignore_reloc, /* special_function */
1565 "R_SH_SHMEDIA_CODE", /* name */
1566 FALSE, /* partial_inplace */
1569 FALSE), /* pcrel_offset */
1571 /* The assembler will generate this reloc at a PTA or PTB instruction,
1572 and the linker checks the right type of target, or changes a PTA to a
1573 PTB, if the original insn was PT. */
1574 HOWTO (R_SH_PT_16, /* type */
1576 2, /* size (0 = byte, 1 = short, 2 = long) */
1578 TRUE, /* pc_relative */
1580 complain_overflow_signed, /* complain_on_overflow */
1581 bfd_elf_generic_reloc, /* special_function */
1582 "R_SH_PT_16", /* name */
1583 FALSE, /* partial_inplace */
1585 0x3fffc00, /* dst_mask */
1586 TRUE), /* pcrel_offset */
1588 /* Used in unexpanded MOVI. */
1589 HOWTO (R_SH_IMMS16, /* type */
1591 2, /* size (0 = byte, 1 = short, 2 = long) */
1593 FALSE, /* pc_relative */
1595 complain_overflow_signed, /* complain_on_overflow */
1596 bfd_elf_generic_reloc, /* special_function */
1597 "R_SH_IMMS16", /* name */
1598 FALSE, /* partial_inplace */
1600 0x3fffc00, /* dst_mask */
1601 FALSE), /* pcrel_offset */
1603 /* Used in SHORI. */
1604 HOWTO (R_SH_IMMU16, /* type */
1606 2, /* size (0 = byte, 1 = short, 2 = long) */
1608 FALSE, /* pc_relative */
1610 complain_overflow_unsigned, /* complain_on_overflow */
1611 bfd_elf_generic_reloc, /* special_function */
1612 "R_SH_IMMU16", /* name */
1613 FALSE, /* partial_inplace */
1615 0x3fffc00, /* dst_mask */
1616 FALSE), /* pcrel_offset */
1618 /* Used in MOVI and SHORI (x & 65536). */
1619 HOWTO (R_SH_IMM_LOW16, /* type */
1621 2, /* size (0 = byte, 1 = short, 2 = long) */
1623 FALSE, /* pc_relative */
1625 complain_overflow_dont, /* complain_on_overflow */
1626 bfd_elf_generic_reloc, /* special_function */
1627 "R_SH_IMM_LOW16", /* name */
1628 FALSE, /* partial_inplace */
1630 0x3fffc00, /* dst_mask */
1631 FALSE), /* pcrel_offset */
1633 /* Used in MOVI and SHORI ((x - $) & 65536). */
1634 HOWTO (R_SH_IMM_LOW16_PCREL, /* type */
1636 2, /* size (0 = byte, 1 = short, 2 = long) */
1638 TRUE, /* pc_relative */
1640 complain_overflow_dont, /* complain_on_overflow */
1641 bfd_elf_generic_reloc, /* special_function */
1642 "R_SH_IMM_LOW16_PCREL", /* name */
1643 FALSE, /* partial_inplace */
1645 0x3fffc00, /* dst_mask */
1646 TRUE), /* pcrel_offset */
1648 /* Used in MOVI and SHORI ((x >> 16) & 65536). */
1649 HOWTO (R_SH_IMM_MEDLOW16, /* type */
1650 16, /* rightshift */
1651 2, /* size (0 = byte, 1 = short, 2 = long) */
1653 FALSE, /* pc_relative */
1655 complain_overflow_dont, /* complain_on_overflow */
1656 bfd_elf_generic_reloc, /* special_function */
1657 "R_SH_IMM_MEDLOW16", /* name */
1658 FALSE, /* partial_inplace */
1660 0x3fffc00, /* dst_mask */
1661 FALSE), /* pcrel_offset */
1663 /* Used in MOVI and SHORI (((x - $) >> 16) & 65536). */
1664 HOWTO (R_SH_IMM_MEDLOW16_PCREL, /* type */
1665 16, /* rightshift */
1666 2, /* size (0 = byte, 1 = short, 2 = long) */
1668 TRUE, /* pc_relative */
1670 complain_overflow_dont, /* complain_on_overflow */
1671 bfd_elf_generic_reloc, /* special_function */
1672 "R_SH_IMM_MEDLOW16_PCREL", /* name */
1673 FALSE, /* partial_inplace */
1675 0x3fffc00, /* dst_mask */
1676 TRUE), /* pcrel_offset */
1678 /* Used in MOVI and SHORI ((x >> 32) & 65536). */
1679 HOWTO (R_SH_IMM_MEDHI16, /* type */
1680 32, /* rightshift */
1681 2, /* size (0 = byte, 1 = short, 2 = long) */
1683 FALSE, /* pc_relative */
1685 complain_overflow_dont, /* complain_on_overflow */
1686 bfd_elf_generic_reloc, /* special_function */
1687 "R_SH_IMM_MEDHI16", /* name */
1688 FALSE, /* partial_inplace */
1690 0x3fffc00, /* dst_mask */
1691 FALSE), /* pcrel_offset */
1693 /* Used in MOVI and SHORI (((x - $) >> 32) & 65536). */
1694 HOWTO (R_SH_IMM_MEDHI16_PCREL, /* type */
1695 32, /* rightshift */
1696 2, /* size (0 = byte, 1 = short, 2 = long) */
1698 TRUE, /* pc_relative */
1700 complain_overflow_dont, /* complain_on_overflow */
1701 bfd_elf_generic_reloc, /* special_function */
1702 "R_SH_IMM_MEDHI16_PCREL", /* name */
1703 FALSE, /* partial_inplace */
1705 0x3fffc00, /* dst_mask */
1706 TRUE), /* pcrel_offset */
1708 /* Used in MOVI and SHORI ((x >> 48) & 65536). */
1709 HOWTO (R_SH_IMM_HI16, /* type */
1710 48, /* rightshift */
1711 2, /* size (0 = byte, 1 = short, 2 = long) */
1713 FALSE, /* pc_relative */
1715 complain_overflow_dont, /* complain_on_overflow */
1716 bfd_elf_generic_reloc, /* special_function */
1717 "R_SH_IMM_HI16", /* name */
1718 FALSE, /* partial_inplace */
1720 0x3fffc00, /* dst_mask */
1721 FALSE), /* pcrel_offset */
1723 /* Used in MOVI and SHORI (((x - $) >> 48) & 65536). */
1724 HOWTO (R_SH_IMM_HI16_PCREL, /* type */
1725 48, /* rightshift */
1726 2, /* size (0 = byte, 1 = short, 2 = long) */
1728 TRUE, /* pc_relative */
1730 complain_overflow_dont, /* complain_on_overflow */
1731 bfd_elf_generic_reloc, /* special_function */
1732 "R_SH_IMM_HI16_PCREL", /* name */
1733 FALSE, /* partial_inplace */
1735 0x3fffc00, /* dst_mask */
1736 TRUE), /* pcrel_offset */
1738 /* For the .uaquad pseudo. */
1739 HOWTO (R_SH_64, /* type */
1741 4, /* size (0 = byte, 1 = short, 2 = long) */
1743 FALSE, /* pc_relative */
1745 complain_overflow_dont, /* complain_on_overflow */
1746 bfd_elf_generic_reloc, /* special_function */
1747 "R_SH_64", /* name */
1748 FALSE, /* partial_inplace */
1750 ((bfd_vma) 0) - 1, /* dst_mask */
1751 FALSE), /* pcrel_offset */
1753 /* For the .uaquad pseudo, (x - $). */
1754 HOWTO (R_SH_64_PCREL, /* type */
1755 48, /* rightshift */
1756 2, /* size (0 = byte, 1 = short, 2 = long) */
1758 TRUE, /* pc_relative */
1760 complain_overflow_dont, /* complain_on_overflow */
1761 bfd_elf_generic_reloc, /* special_function */
1762 "R_SH_64_PCREL", /* name */
1763 FALSE, /* partial_inplace */
1765 ((bfd_vma) 0) - 1, /* dst_mask */
1766 TRUE), /* pcrel_offset */
1771 static bfd_reloc_status_type
1772 sh_elf_reloc_loop (int r_type ATTRIBUTE_UNUSED, bfd *input_bfd,
1773 asection *input_section, bfd_byte *contents,
1774 bfd_vma addr, asection *symbol_section,
1775 bfd_vma start, bfd_vma end)
1777 static bfd_vma last_addr;
1778 static asection *last_symbol_section;
1779 bfd_byte *start_ptr, *ptr, *last_ptr;
1784 /* Sanity check the address. */
1785 if (addr > bfd_get_section_limit (input_bfd, input_section))
1786 return bfd_reloc_outofrange;
1788 /* We require the start and end relocations to be processed consecutively -
1789 although we allow then to be processed forwards or backwards. */
1793 last_symbol_section = symbol_section;
1794 return bfd_reloc_ok;
1796 if (last_addr != addr)
1800 if (! symbol_section || last_symbol_section != symbol_section || end < start)
1801 return bfd_reloc_outofrange;
1803 /* Get the symbol_section contents. */
1804 if (symbol_section != input_section)
1806 if (elf_section_data (symbol_section)->this_hdr.contents != NULL)
1807 contents = elf_section_data (symbol_section)->this_hdr.contents;
1810 if (!bfd_malloc_and_get_section (input_bfd, symbol_section,
1813 if (contents != NULL)
1815 return bfd_reloc_outofrange;
1819 #define IS_PPI(PTR) ((bfd_get_16 (input_bfd, (PTR)) & 0xfc00) == 0xf800)
1820 start_ptr = contents + start;
1821 for (cum_diff = -6, ptr = contents + end; cum_diff < 0 && ptr > start_ptr;)
1823 for (last_ptr = ptr, ptr -= 4; ptr >= start_ptr && IS_PPI (ptr);)
1826 diff = (last_ptr - ptr) >> 1;
1827 cum_diff += diff & 1;
1830 /* Calculate the start / end values to load into rs / re minus four -
1831 so that will cancel out the four we would otherwise have to add to
1832 addr to get the value to subtract in order to get relative addressing. */
1836 end = (ptr + cum_diff * 2) - contents;
1840 bfd_vma start0 = start - 4;
1842 while (start0 && IS_PPI (contents + start0))
1844 start0 = start - 2 - ((start - start0) & 2);
1845 start = start0 - cum_diff - 2;
1849 if (contents != NULL
1850 && elf_section_data (symbol_section)->this_hdr.contents != contents)
1853 insn = bfd_get_16 (input_bfd, contents + addr);
1855 x = (insn & 0x200 ? end : start) - addr;
1856 if (input_section != symbol_section)
1857 x += ((symbol_section->output_section->vma + symbol_section->output_offset)
1858 - (input_section->output_section->vma
1859 + input_section->output_offset));
1861 if (x < -128 || x > 127)
1862 return bfd_reloc_overflow;
1864 x = (insn & ~0xff) | (x & 0xff);
1865 bfd_put_16 (input_bfd, (bfd_vma) x, contents + addr);
1867 return bfd_reloc_ok;
1870 /* This function is used for normal relocs. This used to be like the COFF
1871 function, and is almost certainly incorrect for other ELF targets. */
1873 static bfd_reloc_status_type
1874 sh_elf_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol_in,
1875 void *data, asection *input_section, bfd *output_bfd,
1876 char **error_message ATTRIBUTE_UNUSED)
1880 enum elf_sh_reloc_type r_type;
1881 bfd_vma addr = reloc_entry->address;
1882 bfd_byte *hit_data = addr + (bfd_byte *) data;
1884 r_type = (enum elf_sh_reloc_type) reloc_entry->howto->type;
1886 if (output_bfd != NULL)
1888 /* Partial linking--do nothing. */
1889 reloc_entry->address += input_section->output_offset;
1890 return bfd_reloc_ok;
1893 /* Almost all relocs have to do with relaxing. If any work must be
1894 done for them, it has been done in sh_relax_section. */
1895 if (r_type == R_SH_IND12W && (symbol_in->flags & BSF_LOCAL) != 0)
1896 return bfd_reloc_ok;
1898 if (symbol_in != NULL
1899 && bfd_is_und_section (symbol_in->section))
1900 return bfd_reloc_undefined;
1902 if (bfd_is_com_section (symbol_in->section))
1905 sym_value = (symbol_in->value +
1906 symbol_in->section->output_section->vma +
1907 symbol_in->section->output_offset);
1912 insn = bfd_get_32 (abfd, hit_data);
1913 insn += sym_value + reloc_entry->addend;
1914 bfd_put_32 (abfd, (bfd_vma) insn, hit_data);
1917 insn = bfd_get_16 (abfd, hit_data);
1918 sym_value += reloc_entry->addend;
1919 sym_value -= (input_section->output_section->vma
1920 + input_section->output_offset
1923 sym_value += (insn & 0xfff) << 1;
1925 sym_value -= 0x1000;
1926 insn = (insn & 0xf000) | (sym_value & 0xfff);
1927 bfd_put_16 (abfd, (bfd_vma) insn, hit_data);
1928 if (sym_value < (bfd_vma) -0x1000 || sym_value >= 0x1000)
1929 return bfd_reloc_overflow;
1936 return bfd_reloc_ok;
1939 /* This function is used for relocs which are only used for relaxing,
1940 which the linker should otherwise ignore. */
1942 static bfd_reloc_status_type
1943 sh_elf_ignore_reloc (bfd *abfd ATTRIBUTE_UNUSED, arelent *reloc_entry,
1944 asymbol *symbol ATTRIBUTE_UNUSED,
1945 void *data ATTRIBUTE_UNUSED, asection *input_section,
1947 char **error_message ATTRIBUTE_UNUSED)
1949 if (output_bfd != NULL)
1950 reloc_entry->address += input_section->output_offset;
1951 return bfd_reloc_ok;
1954 /* This structure is used to map BFD reloc codes to SH ELF relocs. */
1956 struct elf_reloc_map
1958 bfd_reloc_code_real_type bfd_reloc_val;
1959 unsigned char elf_reloc_val;
1962 /* An array mapping BFD reloc codes to SH ELF relocs. */
1964 static const struct elf_reloc_map sh_reloc_map[] =
1966 { BFD_RELOC_NONE, R_SH_NONE },
1967 { BFD_RELOC_32, R_SH_DIR32 },
1968 { BFD_RELOC_16, R_SH_DIR16 },
1969 { BFD_RELOC_8, R_SH_DIR8 },
1970 { BFD_RELOC_CTOR, R_SH_DIR32 },
1971 { BFD_RELOC_32_PCREL, R_SH_REL32 },
1972 { BFD_RELOC_SH_PCDISP8BY2, R_SH_DIR8WPN },
1973 { BFD_RELOC_SH_PCDISP12BY2, R_SH_IND12W },
1974 { BFD_RELOC_SH_PCRELIMM8BY2, R_SH_DIR8WPZ },
1975 { BFD_RELOC_SH_PCRELIMM8BY4, R_SH_DIR8WPL },
1976 { BFD_RELOC_8_PCREL, R_SH_SWITCH8 },
1977 { BFD_RELOC_SH_SWITCH16, R_SH_SWITCH16 },
1978 { BFD_RELOC_SH_SWITCH32, R_SH_SWITCH32 },
1979 { BFD_RELOC_SH_USES, R_SH_USES },
1980 { BFD_RELOC_SH_COUNT, R_SH_COUNT },
1981 { BFD_RELOC_SH_ALIGN, R_SH_ALIGN },
1982 { BFD_RELOC_SH_CODE, R_SH_CODE },
1983 { BFD_RELOC_SH_DATA, R_SH_DATA },
1984 { BFD_RELOC_SH_LABEL, R_SH_LABEL },
1985 { BFD_RELOC_VTABLE_INHERIT, R_SH_GNU_VTINHERIT },
1986 { BFD_RELOC_VTABLE_ENTRY, R_SH_GNU_VTENTRY },
1987 { BFD_RELOC_SH_LOOP_START, R_SH_LOOP_START },
1988 { BFD_RELOC_SH_LOOP_END, R_SH_LOOP_END },
1989 { BFD_RELOC_SH_TLS_GD_32, R_SH_TLS_GD_32 },
1990 { BFD_RELOC_SH_TLS_LD_32, R_SH_TLS_LD_32 },
1991 { BFD_RELOC_SH_TLS_LDO_32, R_SH_TLS_LDO_32 },
1992 { BFD_RELOC_SH_TLS_IE_32, R_SH_TLS_IE_32 },
1993 { BFD_RELOC_SH_TLS_LE_32, R_SH_TLS_LE_32 },
1994 { BFD_RELOC_SH_TLS_DTPMOD32, R_SH_TLS_DTPMOD32 },
1995 { BFD_RELOC_SH_TLS_DTPOFF32, R_SH_TLS_DTPOFF32 },
1996 { BFD_RELOC_SH_TLS_TPOFF32, R_SH_TLS_TPOFF32 },
1997 { BFD_RELOC_32_GOT_PCREL, R_SH_GOT32 },
1998 { BFD_RELOC_32_PLT_PCREL, R_SH_PLT32 },
1999 { BFD_RELOC_SH_COPY, R_SH_COPY },
2000 { BFD_RELOC_SH_GLOB_DAT, R_SH_GLOB_DAT },
2001 { BFD_RELOC_SH_JMP_SLOT, R_SH_JMP_SLOT },
2002 { BFD_RELOC_SH_RELATIVE, R_SH_RELATIVE },
2003 { BFD_RELOC_32_GOTOFF, R_SH_GOTOFF },
2004 { BFD_RELOC_SH_GOTPC, R_SH_GOTPC },
2005 { BFD_RELOC_SH_GOTPLT32, R_SH_GOTPLT32 },
2006 #ifdef INCLUDE_SHMEDIA
2007 { BFD_RELOC_SH_GOT_LOW16, R_SH_GOT_LOW16 },
2008 { BFD_RELOC_SH_GOT_MEDLOW16, R_SH_GOT_MEDLOW16 },
2009 { BFD_RELOC_SH_GOT_MEDHI16, R_SH_GOT_MEDHI16 },
2010 { BFD_RELOC_SH_GOT_HI16, R_SH_GOT_HI16 },
2011 { BFD_RELOC_SH_GOTPLT_LOW16, R_SH_GOTPLT_LOW16 },
2012 { BFD_RELOC_SH_GOTPLT_MEDLOW16, R_SH_GOTPLT_MEDLOW16 },
2013 { BFD_RELOC_SH_GOTPLT_MEDHI16, R_SH_GOTPLT_MEDHI16 },
2014 { BFD_RELOC_SH_GOTPLT_HI16, R_SH_GOTPLT_HI16 },
2015 { BFD_RELOC_SH_PLT_LOW16, R_SH_PLT_LOW16 },
2016 { BFD_RELOC_SH_PLT_MEDLOW16, R_SH_PLT_MEDLOW16 },
2017 { BFD_RELOC_SH_PLT_MEDHI16, R_SH_PLT_MEDHI16 },
2018 { BFD_RELOC_SH_PLT_HI16, R_SH_PLT_HI16 },
2019 { BFD_RELOC_SH_GOTOFF_LOW16, R_SH_GOTOFF_LOW16 },
2020 { BFD_RELOC_SH_GOTOFF_MEDLOW16, R_SH_GOTOFF_MEDLOW16 },
2021 { BFD_RELOC_SH_GOTOFF_MEDHI16, R_SH_GOTOFF_MEDHI16 },
2022 { BFD_RELOC_SH_GOTOFF_HI16, R_SH_GOTOFF_HI16 },
2023 { BFD_RELOC_SH_GOTPC_LOW16, R_SH_GOTPC_LOW16 },
2024 { BFD_RELOC_SH_GOTPC_MEDLOW16, R_SH_GOTPC_MEDLOW16 },
2025 { BFD_RELOC_SH_GOTPC_MEDHI16, R_SH_GOTPC_MEDHI16 },
2026 { BFD_RELOC_SH_GOTPC_HI16, R_SH_GOTPC_HI16 },
2027 { BFD_RELOC_SH_COPY64, R_SH_COPY64 },
2028 { BFD_RELOC_SH_GLOB_DAT64, R_SH_GLOB_DAT64 },
2029 { BFD_RELOC_SH_JMP_SLOT64, R_SH_JMP_SLOT64 },
2030 { BFD_RELOC_SH_RELATIVE64, R_SH_RELATIVE64 },
2031 { BFD_RELOC_SH_GOT10BY4, R_SH_GOT10BY4 },
2032 { BFD_RELOC_SH_GOT10BY8, R_SH_GOT10BY8 },
2033 { BFD_RELOC_SH_GOTPLT10BY4, R_SH_GOTPLT10BY4 },
2034 { BFD_RELOC_SH_GOTPLT10BY8, R_SH_GOTPLT10BY8 },
2035 { BFD_RELOC_SH_PT_16, R_SH_PT_16 },
2036 { BFD_RELOC_SH_SHMEDIA_CODE, R_SH_SHMEDIA_CODE },
2037 { BFD_RELOC_SH_IMMU5, R_SH_DIR5U },
2038 { BFD_RELOC_SH_IMMS6, R_SH_DIR6S },
2039 { BFD_RELOC_SH_IMMU6, R_SH_DIR6U },
2040 { BFD_RELOC_SH_IMMS10, R_SH_DIR10S },
2041 { BFD_RELOC_SH_IMMS10BY2, R_SH_DIR10SW },
2042 { BFD_RELOC_SH_IMMS10BY4, R_SH_DIR10SL },
2043 { BFD_RELOC_SH_IMMS10BY8, R_SH_DIR10SQ },
2044 { BFD_RELOC_SH_IMMS16, R_SH_IMMS16 },
2045 { BFD_RELOC_SH_IMMU16, R_SH_IMMU16 },
2046 { BFD_RELOC_SH_IMM_LOW16, R_SH_IMM_LOW16 },
2047 { BFD_RELOC_SH_IMM_LOW16_PCREL, R_SH_IMM_LOW16_PCREL },
2048 { BFD_RELOC_SH_IMM_MEDLOW16, R_SH_IMM_MEDLOW16 },
2049 { BFD_RELOC_SH_IMM_MEDLOW16_PCREL, R_SH_IMM_MEDLOW16_PCREL },
2050 { BFD_RELOC_SH_IMM_MEDHI16, R_SH_IMM_MEDHI16 },
2051 { BFD_RELOC_SH_IMM_MEDHI16_PCREL, R_SH_IMM_MEDHI16_PCREL },
2052 { BFD_RELOC_SH_IMM_HI16, R_SH_IMM_HI16 },
2053 { BFD_RELOC_SH_IMM_HI16_PCREL, R_SH_IMM_HI16_PCREL },
2054 { BFD_RELOC_64, R_SH_64 },
2055 { BFD_RELOC_64_PCREL, R_SH_64_PCREL },
2056 #endif /* not INCLUDE_SHMEDIA */
2059 /* Given a BFD reloc code, return the howto structure for the
2060 corresponding SH ELf reloc. */
2062 static reloc_howto_type *
2063 sh_elf_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
2064 bfd_reloc_code_real_type code)
2068 for (i = 0; i < sizeof (sh_reloc_map) / sizeof (struct elf_reloc_map); i++)
2070 if (sh_reloc_map[i].bfd_reloc_val == code)
2071 return &sh_elf_howto_table[(int) sh_reloc_map[i].elf_reloc_val];
2077 /* Given an ELF reloc, fill in the howto field of a relent. */
2080 sh_elf_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *cache_ptr,
2081 Elf_Internal_Rela *dst)
2085 r = ELF32_R_TYPE (dst->r_info);
2087 BFD_ASSERT (r < (unsigned int) R_SH_max);
2088 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC || r > R_SH_LAST_INVALID_RELOC);
2089 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_2 || r > R_SH_LAST_INVALID_RELOC_2);
2090 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_3 || r > R_SH_LAST_INVALID_RELOC_3);
2091 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_4 || r > R_SH_LAST_INVALID_RELOC_4);
2092 BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_5 || r > R_SH_LAST_INVALID_RELOC_5);
2094 cache_ptr->howto = &sh_elf_howto_table[r];
2097 /* This function handles relaxing for SH ELF. See the corresponding
2098 function in coff-sh.c for a description of what this does. FIXME:
2099 There is a lot of duplication here between this code and the COFF
2100 specific code. The format of relocs and symbols is wound deeply
2101 into this code, but it would still be better if the duplication
2102 could be eliminated somehow. Note in particular that although both
2103 functions use symbols like R_SH_CODE, those symbols have different
2104 values; in coff-sh.c they come from include/coff/sh.h, whereas here
2105 they come from enum elf_sh_reloc_type in include/elf/sh.h. */
2108 sh_elf_relax_section (bfd *abfd, asection *sec,
2109 struct bfd_link_info *link_info, bfd_boolean *again)
2111 Elf_Internal_Shdr *symtab_hdr;
2112 Elf_Internal_Rela *internal_relocs;
2113 bfd_boolean have_code;
2114 Elf_Internal_Rela *irel, *irelend;
2115 bfd_byte *contents = NULL;
2116 Elf_Internal_Sym *isymbuf = NULL;
2120 if (link_info->relocatable
2121 || (sec->flags & SEC_RELOC) == 0
2122 || sec->reloc_count == 0)
2125 #ifdef INCLUDE_SHMEDIA
2126 if (elf_section_data (sec)->this_hdr.sh_flags
2127 & (SHF_SH5_ISA32 | SHF_SH5_ISA32_MIXED))
2133 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
2135 internal_relocs = (_bfd_elf_link_read_relocs
2136 (abfd, sec, NULL, (Elf_Internal_Rela *) NULL,
2137 link_info->keep_memory));
2138 if (internal_relocs == NULL)
2143 irelend = internal_relocs + sec->reloc_count;
2144 for (irel = internal_relocs; irel < irelend; irel++)
2146 bfd_vma laddr, paddr, symval;
2147 unsigned short insn;
2148 Elf_Internal_Rela *irelfn, *irelscan, *irelcount;
2149 bfd_signed_vma foff;
2151 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_CODE)
2154 if (ELF32_R_TYPE (irel->r_info) != (int) R_SH_USES)
2157 /* Get the section contents. */
2158 if (contents == NULL)
2160 if (elf_section_data (sec)->this_hdr.contents != NULL)
2161 contents = elf_section_data (sec)->this_hdr.contents;
2164 if (!bfd_malloc_and_get_section (abfd, sec, &contents))
2169 /* The r_addend field of the R_SH_USES reloc will point us to
2170 the register load. The 4 is because the r_addend field is
2171 computed as though it were a jump offset, which are based
2172 from 4 bytes after the jump instruction. */
2173 laddr = irel->r_offset + 4 + irel->r_addend;
2174 if (laddr >= sec->size)
2176 (*_bfd_error_handler) (_("%B: 0x%lx: warning: bad R_SH_USES offset"),
2178 (unsigned long) irel->r_offset);
2181 insn = bfd_get_16 (abfd, contents + laddr);
2183 /* If the instruction is not mov.l NN,rN, we don't know what to
2185 if ((insn & 0xf000) != 0xd000)
2187 ((*_bfd_error_handler)
2188 (_("%B: 0x%lx: warning: R_SH_USES points to unrecognized insn 0x%x"),
2189 abfd, (unsigned long) irel->r_offset, insn));
2193 /* Get the address from which the register is being loaded. The
2194 displacement in the mov.l instruction is quadrupled. It is a
2195 displacement from four bytes after the movl instruction, but,
2196 before adding in the PC address, two least significant bits
2197 of the PC are cleared. We assume that the section is aligned
2198 on a four byte boundary. */
2199 paddr = insn & 0xff;
2201 paddr += (laddr + 4) &~ (bfd_vma) 3;
2202 if (paddr >= sec->size)
2204 ((*_bfd_error_handler)
2205 (_("%B: 0x%lx: warning: bad R_SH_USES load offset"),
2206 abfd, (unsigned long) irel->r_offset));
2210 /* Get the reloc for the address from which the register is
2211 being loaded. This reloc will tell us which function is
2212 actually being called. */
2213 for (irelfn = internal_relocs; irelfn < irelend; irelfn++)
2214 if (irelfn->r_offset == paddr
2215 && ELF32_R_TYPE (irelfn->r_info) == (int) R_SH_DIR32)
2217 if (irelfn >= irelend)
2219 ((*_bfd_error_handler)
2220 (_("%B: 0x%lx: warning: could not find expected reloc"),
2221 abfd, (unsigned long) paddr));
2225 /* Read this BFD's symbols if we haven't done so already. */
2226 if (isymbuf == NULL && symtab_hdr->sh_info != 0)
2228 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
2229 if (isymbuf == NULL)
2230 isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
2231 symtab_hdr->sh_info, 0,
2233 if (isymbuf == NULL)
2237 /* Get the value of the symbol referred to by the reloc. */
2238 if (ELF32_R_SYM (irelfn->r_info) < symtab_hdr->sh_info)
2240 /* A local symbol. */
2241 Elf_Internal_Sym *isym;
2243 isym = isymbuf + ELF32_R_SYM (irelfn->r_info);
2245 != (unsigned int) _bfd_elf_section_from_bfd_section (abfd, sec))
2247 ((*_bfd_error_handler)
2248 (_("%B: 0x%lx: warning: symbol in unexpected section"),
2249 abfd, (unsigned long) paddr));
2253 symval = (isym->st_value
2254 + sec->output_section->vma
2255 + sec->output_offset);
2260 struct elf_link_hash_entry *h;
2262 indx = ELF32_R_SYM (irelfn->r_info) - symtab_hdr->sh_info;
2263 h = elf_sym_hashes (abfd)[indx];
2264 BFD_ASSERT (h != NULL);
2265 if (h->root.type != bfd_link_hash_defined
2266 && h->root.type != bfd_link_hash_defweak)
2268 /* This appears to be a reference to an undefined
2269 symbol. Just ignore it--it will be caught by the
2270 regular reloc processing. */
2274 symval = (h->root.u.def.value
2275 + h->root.u.def.section->output_section->vma
2276 + h->root.u.def.section->output_offset);
2279 symval += bfd_get_32 (abfd, contents + paddr);
2281 /* See if this function call can be shortened. */
2284 + sec->output_section->vma
2285 + sec->output_offset
2287 if (foff < -0x1000 || foff >= 0x1000)
2289 /* After all that work, we can't shorten this function call. */
2293 /* Shorten the function call. */
2295 /* For simplicity of coding, we are going to modify the section
2296 contents, the section relocs, and the BFD symbol table. We
2297 must tell the rest of the code not to free up this
2298 information. It would be possible to instead create a table
2299 of changes which have to be made, as is done in coff-mips.c;
2300 that would be more work, but would require less memory when
2301 the linker is run. */
2303 elf_section_data (sec)->relocs = internal_relocs;
2304 elf_section_data (sec)->this_hdr.contents = contents;
2305 symtab_hdr->contents = (unsigned char *) isymbuf;
2307 /* Replace the jsr with a bsr. */
2309 /* Change the R_SH_USES reloc into an R_SH_IND12W reloc, and
2310 replace the jsr with a bsr. */
2311 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irelfn->r_info), R_SH_IND12W);
2312 /* We used to test (ELF32_R_SYM (irelfn->r_info) < symtab_hdr->sh_info)
2313 here, but that only checks if the symbol is an external symbol,
2314 not if the symbol is in a different section. Besides, we need
2315 a consistent meaning for the relocation, so we just assume here that
2316 the value of the symbol is not available. */
2318 /* We can't fully resolve this yet, because the external
2319 symbol value may be changed by future relaxing. We let
2320 the final link phase handle it. */
2321 bfd_put_16 (abfd, (bfd_vma) 0xb000, contents + irel->r_offset);
2323 irel->r_addend = -4;
2325 /* See if there is another R_SH_USES reloc referring to the same
2327 for (irelscan = internal_relocs; irelscan < irelend; irelscan++)
2328 if (ELF32_R_TYPE (irelscan->r_info) == (int) R_SH_USES
2329 && laddr == irelscan->r_offset + 4 + irelscan->r_addend)
2331 if (irelscan < irelend)
2333 /* Some other function call depends upon this register load,
2334 and we have not yet converted that function call.
2335 Indeed, we may never be able to convert it. There is
2336 nothing else we can do at this point. */
2340 /* Look for a R_SH_COUNT reloc on the location where the
2341 function address is stored. Do this before deleting any
2342 bytes, to avoid confusion about the address. */
2343 for (irelcount = internal_relocs; irelcount < irelend; irelcount++)
2344 if (irelcount->r_offset == paddr
2345 && ELF32_R_TYPE (irelcount->r_info) == (int) R_SH_COUNT)
2348 /* Delete the register load. */
2349 if (! sh_elf_relax_delete_bytes (abfd, sec, laddr, 2))
2352 /* That will change things, so, just in case it permits some
2353 other function call to come within range, we should relax
2354 again. Note that this is not required, and it may be slow. */
2357 /* Now check whether we got a COUNT reloc. */
2358 if (irelcount >= irelend)
2360 ((*_bfd_error_handler)
2361 (_("%B: 0x%lx: warning: could not find expected COUNT reloc"),
2362 abfd, (unsigned long) paddr));
2366 /* The number of uses is stored in the r_addend field. We've
2367 just deleted one. */
2368 if (irelcount->r_addend == 0)
2370 ((*_bfd_error_handler) (_("%B: 0x%lx: warning: bad count"),
2372 (unsigned long) paddr));
2376 --irelcount->r_addend;
2378 /* If there are no more uses, we can delete the address. Reload
2379 the address from irelfn, in case it was changed by the
2380 previous call to sh_elf_relax_delete_bytes. */
2381 if (irelcount->r_addend == 0)
2383 if (! sh_elf_relax_delete_bytes (abfd, sec, irelfn->r_offset, 4))
2387 /* We've done all we can with that function call. */
2390 /* Look for load and store instructions that we can align on four
2392 if ((elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK) != EF_SH4
2395 bfd_boolean swapped;
2397 /* Get the section contents. */
2398 if (contents == NULL)
2400 if (elf_section_data (sec)->this_hdr.contents != NULL)
2401 contents = elf_section_data (sec)->this_hdr.contents;
2404 if (!bfd_malloc_and_get_section (abfd, sec, &contents))
2409 if (! sh_elf_align_loads (abfd, sec, internal_relocs, contents,
2415 elf_section_data (sec)->relocs = internal_relocs;
2416 elf_section_data (sec)->this_hdr.contents = contents;
2417 symtab_hdr->contents = (unsigned char *) isymbuf;
2422 && symtab_hdr->contents != (unsigned char *) isymbuf)
2424 if (! link_info->keep_memory)
2428 /* Cache the symbols for elf_link_input_bfd. */
2429 symtab_hdr->contents = (unsigned char *) isymbuf;
2433 if (contents != NULL
2434 && elf_section_data (sec)->this_hdr.contents != contents)
2436 if (! link_info->keep_memory)
2440 /* Cache the section contents for elf_link_input_bfd. */
2441 elf_section_data (sec)->this_hdr.contents = contents;
2445 if (internal_relocs != NULL
2446 && elf_section_data (sec)->relocs != internal_relocs)
2447 free (internal_relocs);
2453 && symtab_hdr->contents != (unsigned char *) isymbuf)
2455 if (contents != NULL
2456 && elf_section_data (sec)->this_hdr.contents != contents)
2458 if (internal_relocs != NULL
2459 && elf_section_data (sec)->relocs != internal_relocs)
2460 free (internal_relocs);
2465 /* Delete some bytes from a section while relaxing. FIXME: There is a
2466 lot of duplication between this function and sh_relax_delete_bytes
2470 sh_elf_relax_delete_bytes (bfd *abfd, asection *sec, bfd_vma addr,
2473 Elf_Internal_Shdr *symtab_hdr;
2474 unsigned int sec_shndx;
2476 Elf_Internal_Rela *irel, *irelend;
2477 Elf_Internal_Rela *irelalign;
2479 Elf_Internal_Sym *isymbuf, *isym, *isymend;
2480 struct elf_link_hash_entry **sym_hashes;
2481 struct elf_link_hash_entry **end_hashes;
2482 unsigned int symcount;
2485 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
2486 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
2488 sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
2490 contents = elf_section_data (sec)->this_hdr.contents;
2492 /* The deletion must stop at the next ALIGN reloc for an aligment
2493 power larger than the number of bytes we are deleting. */
2498 irel = elf_section_data (sec)->relocs;
2499 irelend = irel + sec->reloc_count;
2500 for (; irel < irelend; irel++)
2502 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_ALIGN
2503 && irel->r_offset > addr
2504 && count < (1 << irel->r_addend))
2507 toaddr = irel->r_offset;
2512 /* Actually delete the bytes. */
2513 memmove (contents + addr, contents + addr + count,
2514 (size_t) (toaddr - addr - count));
2515 if (irelalign == NULL)
2521 #define NOP_OPCODE (0x0009)
2523 BFD_ASSERT ((count & 1) == 0);
2524 for (i = 0; i < count; i += 2)
2525 bfd_put_16 (abfd, (bfd_vma) NOP_OPCODE, contents + toaddr - count + i);
2528 /* Adjust all the relocs. */
2529 for (irel = elf_section_data (sec)->relocs; irel < irelend; irel++)
2531 bfd_vma nraddr, stop;
2534 int off, adjust, oinsn;
2535 bfd_signed_vma voff = 0;
2536 bfd_boolean overflow;
2538 /* Get the new reloc address. */
2539 nraddr = irel->r_offset;
2540 if ((irel->r_offset > addr
2541 && irel->r_offset < toaddr)
2542 || (ELF32_R_TYPE (irel->r_info) == (int) R_SH_ALIGN
2543 && irel->r_offset == toaddr))
2546 /* See if this reloc was for the bytes we have deleted, in which
2547 case we no longer care about it. Don't delete relocs which
2548 represent addresses, though. */
2549 if (irel->r_offset >= addr
2550 && irel->r_offset < addr + count
2551 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_ALIGN
2552 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_CODE
2553 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_DATA
2554 && ELF32_R_TYPE (irel->r_info) != (int) R_SH_LABEL)
2555 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
2558 /* If this is a PC relative reloc, see if the range it covers
2559 includes the bytes we have deleted. */
2560 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
2569 start = irel->r_offset;
2570 insn = bfd_get_16 (abfd, contents + nraddr);
2574 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
2577 start = stop = addr;
2581 /* If this reloc is against a symbol defined in this
2582 section, and the symbol will not be adjusted below, we
2583 must check the addend to see it will put the value in
2584 range to be adjusted, and hence must be changed. */
2585 if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
2587 isym = isymbuf + ELF32_R_SYM (irel->r_info);
2588 if (isym->st_shndx == sec_shndx
2589 && (isym->st_value <= addr
2590 || isym->st_value >= toaddr))
2594 val = bfd_get_32 (abfd, contents + nraddr);
2595 val += isym->st_value;
2596 if (val > addr && val < toaddr)
2597 bfd_put_32 (abfd, val - count, contents + nraddr);
2600 start = stop = addr;
2607 stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2);
2614 /* This has been made by previous relaxation. Since the
2615 relocation will be against an external symbol, the
2616 final relocation will just do the right thing. */
2617 start = stop = addr;
2623 stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2);
2625 /* The addend will be against the section symbol, thus
2626 for adjusting the addend, the relevant start is the
2627 start of the section.
2628 N.B. If we want to abandon in-place changes here and
2629 test directly using symbol + addend, we have to take into
2630 account that the addend has already been adjusted by -4. */
2631 if (stop > addr && stop < toaddr)
2632 irel->r_addend -= count;
2638 stop = start + 4 + off * 2;
2643 stop = (start & ~(bfd_vma) 3) + 4 + off * 4;
2649 /* These relocs types represent
2651 The r_addend field holds the difference between the reloc
2652 address and L1. That is the start of the reloc, and
2653 adding in the contents gives us the top. We must adjust
2654 both the r_offset field and the section contents.
2655 N.B. in gas / coff bfd, the elf bfd r_addend is called r_offset,
2656 and the elf bfd r_offset is called r_vaddr. */
2658 stop = irel->r_offset;
2659 start = (bfd_vma) ((bfd_signed_vma) stop - (long) irel->r_addend);
2663 && (stop <= addr || stop >= toaddr))
2664 irel->r_addend += count;
2665 else if (stop > addr
2667 && (start <= addr || start >= toaddr))
2668 irel->r_addend -= count;
2670 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_SWITCH16)
2671 voff = bfd_get_signed_16 (abfd, contents + nraddr);
2672 else if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_SWITCH8)
2673 voff = bfd_get_8 (abfd, contents + nraddr);
2675 voff = bfd_get_signed_32 (abfd, contents + nraddr);
2676 stop = (bfd_vma) ((bfd_signed_vma) start + voff);
2681 start = irel->r_offset;
2682 stop = (bfd_vma) ((bfd_signed_vma) start
2683 + (long) irel->r_addend
2690 && (stop <= addr || stop >= toaddr))
2692 else if (stop > addr
2694 && (start <= addr || start >= toaddr))
2703 switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info))
2712 if ((oinsn & 0xff00) != (insn & 0xff00))
2714 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
2719 if ((oinsn & 0xf000) != (insn & 0xf000))
2721 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
2725 BFD_ASSERT (adjust == count || count >= 4);
2730 if ((irel->r_offset & 3) == 0)
2733 if ((oinsn & 0xff00) != (insn & 0xff00))
2735 bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
2740 if (voff < 0 || voff >= 0xff)
2742 bfd_put_8 (abfd, voff, contents + nraddr);
2747 if (voff < - 0x8000 || voff >= 0x8000)
2749 bfd_put_signed_16 (abfd, (bfd_vma) voff, contents + nraddr);
2754 bfd_put_signed_32 (abfd, (bfd_vma) voff, contents + nraddr);
2758 irel->r_addend += adjust;
2764 ((*_bfd_error_handler)
2765 (_("%B: 0x%lx: fatal: reloc overflow while relaxing"),
2766 abfd, (unsigned long) irel->r_offset));
2767 bfd_set_error (bfd_error_bad_value);
2772 irel->r_offset = nraddr;
2775 /* Look through all the other sections. If there contain any IMM32
2776 relocs against internal symbols which we are not going to adjust
2777 below, we may need to adjust the addends. */
2778 for (o = abfd->sections; o != NULL; o = o->next)
2780 Elf_Internal_Rela *internal_relocs;
2781 Elf_Internal_Rela *irelscan, *irelscanend;
2782 bfd_byte *ocontents;
2785 || (o->flags & SEC_RELOC) == 0
2786 || o->reloc_count == 0)
2789 /* We always cache the relocs. Perhaps, if info->keep_memory is
2790 FALSE, we should free them, if we are permitted to, when we
2791 leave sh_coff_relax_section. */
2792 internal_relocs = (_bfd_elf_link_read_relocs
2793 (abfd, o, NULL, (Elf_Internal_Rela *) NULL, TRUE));
2794 if (internal_relocs == NULL)
2798 irelscanend = internal_relocs + o->reloc_count;
2799 for (irelscan = internal_relocs; irelscan < irelscanend; irelscan++)
2801 /* Dwarf line numbers use R_SH_SWITCH32 relocs. */
2802 if (ELF32_R_TYPE (irelscan->r_info) == (int) R_SH_SWITCH32)
2804 bfd_vma start, stop;
2805 bfd_signed_vma voff;
2807 if (ocontents == NULL)
2809 if (elf_section_data (o)->this_hdr.contents != NULL)
2810 ocontents = elf_section_data (o)->this_hdr.contents;
2813 /* We always cache the section contents.
2814 Perhaps, if info->keep_memory is FALSE, we
2815 should free them, if we are permitted to,
2816 when we leave sh_coff_relax_section. */
2817 if (!bfd_malloc_and_get_section (abfd, o, &ocontents))
2819 if (ocontents != NULL)
2824 elf_section_data (o)->this_hdr.contents = ocontents;
2828 stop = irelscan->r_offset;
2830 = (bfd_vma) ((bfd_signed_vma) stop - (long) irelscan->r_addend);
2832 /* STOP is in a different section, so it won't change. */
2833 if (start > addr && start < toaddr)
2834 irelscan->r_addend += count;
2836 voff = bfd_get_signed_32 (abfd, ocontents + irelscan->r_offset);
2837 stop = (bfd_vma) ((bfd_signed_vma) start + voff);
2841 && (stop <= addr || stop >= toaddr))
2842 bfd_put_signed_32 (abfd, (bfd_vma) voff + count,
2843 ocontents + irelscan->r_offset);
2844 else if (stop > addr
2846 && (start <= addr || start >= toaddr))
2847 bfd_put_signed_32 (abfd, (bfd_vma) voff - count,
2848 ocontents + irelscan->r_offset);
2851 if (ELF32_R_TYPE (irelscan->r_info) != (int) R_SH_DIR32)
2854 if (ELF32_R_SYM (irelscan->r_info) >= symtab_hdr->sh_info)
2858 isym = isymbuf + ELF32_R_SYM (irelscan->r_info);
2859 if (isym->st_shndx == sec_shndx
2860 && (isym->st_value <= addr
2861 || isym->st_value >= toaddr))
2865 if (ocontents == NULL)
2867 if (elf_section_data (o)->this_hdr.contents != NULL)
2868 ocontents = elf_section_data (o)->this_hdr.contents;
2871 /* We always cache the section contents.
2872 Perhaps, if info->keep_memory is FALSE, we
2873 should free them, if we are permitted to,
2874 when we leave sh_coff_relax_section. */
2875 if (!bfd_malloc_and_get_section (abfd, o, &ocontents))
2877 if (ocontents != NULL)
2882 elf_section_data (o)->this_hdr.contents = ocontents;
2886 val = bfd_get_32 (abfd, ocontents + irelscan->r_offset);
2887 val += isym->st_value;
2888 if (val > addr && val < toaddr)
2889 bfd_put_32 (abfd, val - count,
2890 ocontents + irelscan->r_offset);
2895 /* Adjust the local symbols defined in this section. */
2896 isymend = isymbuf + symtab_hdr->sh_info;
2897 for (isym = isymbuf; isym < isymend; isym++)
2899 if (isym->st_shndx == sec_shndx
2900 && isym->st_value > addr
2901 && isym->st_value < toaddr)
2902 isym->st_value -= count;
2905 /* Now adjust the global symbols defined in this section. */
2906 symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
2907 - symtab_hdr->sh_info);
2908 sym_hashes = elf_sym_hashes (abfd);
2909 end_hashes = sym_hashes + symcount;
2910 for (; sym_hashes < end_hashes; sym_hashes++)
2912 struct elf_link_hash_entry *sym_hash = *sym_hashes;
2913 if ((sym_hash->root.type == bfd_link_hash_defined
2914 || sym_hash->root.type == bfd_link_hash_defweak)
2915 && sym_hash->root.u.def.section == sec
2916 && sym_hash->root.u.def.value > addr
2917 && sym_hash->root.u.def.value < toaddr)
2919 sym_hash->root.u.def.value -= count;
2923 /* See if we can move the ALIGN reloc forward. We have adjusted
2924 r_offset for it already. */
2925 if (irelalign != NULL)
2927 bfd_vma alignto, alignaddr;
2929 alignto = BFD_ALIGN (toaddr, 1 << irelalign->r_addend);
2930 alignaddr = BFD_ALIGN (irelalign->r_offset,
2931 1 << irelalign->r_addend);
2932 if (alignto != alignaddr)
2934 /* Tail recursion. */
2935 return sh_elf_relax_delete_bytes (abfd, sec, alignaddr,
2936 (int) (alignto - alignaddr));
2943 /* Look for loads and stores which we can align to four byte
2944 boundaries. This is like sh_align_loads in coff-sh.c. */
2947 sh_elf_align_loads (bfd *abfd ATTRIBUTE_UNUSED, asection *sec,
2948 Elf_Internal_Rela *internal_relocs,
2949 bfd_byte *contents ATTRIBUTE_UNUSED,
2950 bfd_boolean *pswapped)
2952 Elf_Internal_Rela *irel, *irelend;
2953 bfd_vma *labels = NULL;
2954 bfd_vma *label, *label_end;
2959 irelend = internal_relocs + sec->reloc_count;
2961 /* Get all the addresses with labels on them. */
2962 amt = sec->reloc_count;
2963 amt *= sizeof (bfd_vma);
2964 labels = (bfd_vma *) bfd_malloc (amt);
2968 for (irel = internal_relocs; irel < irelend; irel++)
2970 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_LABEL)
2972 *label_end = irel->r_offset;
2977 /* Note that the assembler currently always outputs relocs in
2978 address order. If that ever changes, this code will need to sort
2979 the label values and the relocs. */
2983 for (irel = internal_relocs; irel < irelend; irel++)
2985 bfd_vma start, stop;
2987 if (ELF32_R_TYPE (irel->r_info) != (int) R_SH_CODE)
2990 start = irel->r_offset;
2992 for (irel++; irel < irelend; irel++)
2993 if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_DATA)
2996 stop = irel->r_offset;
3000 if (! _bfd_sh_align_load_span (abfd, sec, contents, sh_elf_swap_insns,
3001 internal_relocs, &label,
3002 label_end, start, stop, pswapped))
3017 /* Swap two SH instructions. This is like sh_swap_insns in coff-sh.c. */
3020 sh_elf_swap_insns (bfd *abfd, asection *sec, void *relocs,
3021 bfd_byte *contents, bfd_vma addr)
3023 Elf_Internal_Rela *internal_relocs = (Elf_Internal_Rela *) relocs;
3024 unsigned short i1, i2;
3025 Elf_Internal_Rela *irel, *irelend;
3027 /* Swap the instructions themselves. */
3028 i1 = bfd_get_16 (abfd, contents + addr);
3029 i2 = bfd_get_16 (abfd, contents + addr + 2);
3030 bfd_put_16 (abfd, (bfd_vma) i2, contents + addr);
3031 bfd_put_16 (abfd, (bfd_vma) i1, contents + addr + 2);
3033 /* Adjust all reloc addresses. */
3034 irelend = internal_relocs + sec->reloc_count;
3035 for (irel = internal_relocs; irel < irelend; irel++)
3037 enum elf_sh_reloc_type type;
3040 /* There are a few special types of relocs that we don't want to
3041 adjust. These relocs do not apply to the instruction itself,
3042 but are only associated with the address. */
3043 type = (enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info);
3044 if (type == R_SH_ALIGN
3045 || type == R_SH_CODE
3046 || type == R_SH_DATA
3047 || type == R_SH_LABEL)
3050 /* If an R_SH_USES reloc points to one of the addresses being
3051 swapped, we must adjust it. It would be incorrect to do this
3052 for a jump, though, since we want to execute both
3053 instructions after the jump. (We have avoided swapping
3054 around a label, so the jump will not wind up executing an
3055 instruction it shouldn't). */
3056 if (type == R_SH_USES)
3060 off = irel->r_offset + 4 + irel->r_addend;
3062 irel->r_offset += 2;
3063 else if (off == addr + 2)
3064 irel->r_offset -= 2;
3067 if (irel->r_offset == addr)
3069 irel->r_offset += 2;
3072 else if (irel->r_offset == addr + 2)
3074 irel->r_offset -= 2;
3083 unsigned short insn, oinsn;
3084 bfd_boolean overflow;
3086 loc = contents + irel->r_offset;
3095 insn = bfd_get_16 (abfd, loc);
3098 if ((oinsn & 0xff00) != (insn & 0xff00))
3100 bfd_put_16 (abfd, (bfd_vma) insn, loc);
3104 insn = bfd_get_16 (abfd, loc);
3107 if ((oinsn & 0xf000) != (insn & 0xf000))
3109 bfd_put_16 (abfd, (bfd_vma) insn, loc);
3113 /* This reloc ignores the least significant 3 bits of
3114 the program counter before adding in the offset.
3115 This means that if ADDR is at an even address, the
3116 swap will not affect the offset. If ADDR is an at an
3117 odd address, then the instruction will be crossing a
3118 four byte boundary, and must be adjusted. */
3119 if ((addr & 3) != 0)
3121 insn = bfd_get_16 (abfd, loc);
3124 if ((oinsn & 0xff00) != (insn & 0xff00))
3126 bfd_put_16 (abfd, (bfd_vma) insn, loc);
3134 ((*_bfd_error_handler)
3135 (_("%B: 0x%lx: fatal: reloc overflow while relaxing"),
3136 abfd, (unsigned long) irel->r_offset));
3137 bfd_set_error (bfd_error_bad_value);
3145 #endif /* defined SH64_ELF */
3147 #ifdef INCLUDE_SHMEDIA
3149 /* The size in bytes of an entry in the procedure linkage table. */
3151 #define PLT_ENTRY_SIZE 64
3153 /* First entry in an absolute procedure linkage table look like this. */
3155 static const bfd_byte elf_sh_plt0_entry_be[PLT_ENTRY_SIZE] =
3157 0xcc, 0x00, 0x01, 0x10, /* movi .got.plt >> 16, r17 */
3158 0xc8, 0x00, 0x01, 0x10, /* shori .got.plt & 65535, r17 */
3159 0x89, 0x10, 0x09, 0x90, /* ld.l r17, 8, r25 */
3160 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
3161 0x89, 0x10, 0x05, 0x10, /* ld.l r17, 4, r17 */
3162 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
3163 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3164 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3165 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3166 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3167 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3168 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3169 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3170 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3171 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3172 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3175 static const bfd_byte elf_sh_plt0_entry_le[PLT_ENTRY_SIZE] =
3177 0x10, 0x01, 0x00, 0xcc, /* movi .got.plt >> 16, r17 */
3178 0x10, 0x01, 0x00, 0xc8, /* shori .got.plt & 65535, r17 */
3179 0x90, 0x09, 0x10, 0x89, /* ld.l r17, 8, r25 */
3180 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
3181 0x10, 0x05, 0x10, 0x89, /* ld.l r17, 4, r17 */
3182 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
3183 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3184 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3185 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3186 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3187 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3188 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3189 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3190 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3191 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3192 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3195 /* Sebsequent entries in an absolute procedure linkage table look like
3198 static const bfd_byte elf_sh_plt_entry_be[PLT_ENTRY_SIZE] =
3200 0xcc, 0x00, 0x01, 0x90, /* movi nameN-in-GOT >> 16, r25 */
3201 0xc8, 0x00, 0x01, 0x90, /* shori nameN-in-GOT & 65535, r25 */
3202 0x89, 0x90, 0x01, 0x90, /* ld.l r25, 0, r25 */
3203 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
3204 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
3205 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3206 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3207 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3208 0xcc, 0x00, 0x01, 0x90, /* movi .PLT0 >> 16, r25 */
3209 0xc8, 0x00, 0x01, 0x90, /* shori .PLT0 & 65535, r25 */
3210 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
3211 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */
3212 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */
3213 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
3214 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3215 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3218 static const bfd_byte elf_sh_plt_entry_le[PLT_ENTRY_SIZE] =
3220 0x90, 0x01, 0x00, 0xcc, /* movi nameN-in-GOT >> 16, r25 */
3221 0x90, 0x01, 0x00, 0xc8, /* shori nameN-in-GOT & 65535, r25 */
3222 0x90, 0x01, 0x90, 0x89, /* ld.l r25, 0, r25 */
3223 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
3224 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
3225 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3226 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3227 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3228 0x90, 0x01, 0x00, 0xcc, /* movi .PLT0 >> 16, r25 */
3229 0x90, 0x01, 0x00, 0xc8, /* shori .PLT0 & 65535, r25 */
3230 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
3231 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */
3232 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */
3233 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
3234 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3235 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3238 /* Entries in a PIC procedure linkage table look like this. */
3240 static const bfd_byte elf_sh_pic_plt_entry_be[PLT_ENTRY_SIZE] =
3242 0xcc, 0x00, 0x01, 0x90, /* movi nameN@GOT >> 16, r25 */
3243 0xc8, 0x00, 0x01, 0x90, /* shori nameN@GOT & 65535, r25 */
3244 0x40, 0xc2, 0x65, 0x90, /* ldx.l r12, r25, r25 */
3245 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
3246 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
3247 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3248 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3249 0x6f, 0xf0, 0xff, 0xf0, /* nop */
3250 0xce, 0x00, 0x01, 0x10, /* movi -GOT_BIAS, r17 */
3251 0x00, 0xc8, 0x45, 0x10, /* add.l r12, r17, r17 */
3252 0x89, 0x10, 0x09, 0x90, /* ld.l r17, 8, r25 */
3253 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
3254 0x89, 0x10, 0x05, 0x10, /* ld.l r17, 4, r17 */
3255 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */
3256 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */
3257 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
3260 static const bfd_byte elf_sh_pic_plt_entry_le[PLT_ENTRY_SIZE] =
3262 0x90, 0x01, 0x00, 0xcc, /* movi nameN@GOT >> 16, r25 */
3263 0x90, 0x01, 0x00, 0xc8, /* shori nameN@GOT & 65535, r25 */
3264 0x90, 0x65, 0xc2, 0x40, /* ldx.l r12, r25, r25 */
3265 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
3266 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
3267 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3268 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3269 0xf0, 0xff, 0xf0, 0x6f, /* nop */
3270 0x10, 0x01, 0x00, 0xce, /* movi -GOT_BIAS, r17 */
3271 0x10, 0x45, 0xc8, 0x00, /* add.l r12, r17, r17 */
3272 0x90, 0x09, 0x10, 0x89, /* ld.l r17, 8, r25 */
3273 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
3274 0x10, 0x05, 0x10, 0x89, /* ld.l r17, 4, r17 */
3275 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */
3276 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */
3277 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
3280 static const bfd_byte *elf_sh_plt0_entry;
3281 static const bfd_byte *elf_sh_plt_entry;
3282 static const bfd_byte *elf_sh_pic_plt_entry;
3284 /* Return size of a PLT entry. */
3285 #define elf_sh_sizeof_plt(info) PLT_ENTRY_SIZE
3287 /* Return offset of the PLT0 address in an absolute PLT entry. */
3288 #define elf_sh_plt_plt0_offset(info) 32
3290 /* Return offset of the linker in PLT0 entry. */
3291 #define elf_sh_plt0_gotplt_offset(info) 0
3293 /* Return offset of the trampoline in PLT entry */
3294 #define elf_sh_plt_temp_offset(info) 33 /* Add one because it's SHmedia. */
3296 /* Return offset of the symbol in PLT entry. */
3297 #define elf_sh_plt_symbol_offset(info) 0
3299 /* Return offset of the relocation in PLT entry. */
3300 #define elf_sh_plt_reloc_offset(info) (info->shared ? 52 : 44)
3303 movi_shori_putval (bfd *output_bfd, unsigned long value, bfd_byte *addr)
3305 bfd_put_32 (output_bfd,
3306 bfd_get_32 (output_bfd, addr)
3307 | ((value >> 6) & 0x3fffc00),
3309 bfd_put_32 (output_bfd,
3310 bfd_get_32 (output_bfd, addr + 4)
3311 | ((value << 10) & 0x3fffc00),
3316 /* The size in bytes of an entry in the procedure linkage table. */
3318 #define PLT_ENTRY_SIZE 28
3320 /* First entry in an absolute procedure linkage table look like this. */
3322 /* Note - this code has been "optimised" not to use r2. r2 is used by
3323 GCC to return the address of large structures, so it should not be
3324 corrupted here. This does mean however, that this PLT does not conform
3325 to the SH PIC ABI. That spec says that r0 contains the type of the PLT
3326 and r2 contains the GOT id. This version stores the GOT id in r0 and
3327 ignores the type. Loaders can easily detect this difference however,
3328 since the type will always be 0 or 8, and the GOT ids will always be
3329 greater than or equal to 12. */
3330 static const bfd_byte elf_sh_plt0_entry_be[PLT_ENTRY_SIZE] =
3332 0xd0, 0x05, /* mov.l 2f,r0 */
3333 0x60, 0x02, /* mov.l @r0,r0 */
3334 0x2f, 0x06, /* mov.l r0,@-r15 */
3335 0xd0, 0x03, /* mov.l 1f,r0 */
3336 0x60, 0x02, /* mov.l @r0,r0 */
3337 0x40, 0x2b, /* jmp @r0 */
3338 0x60, 0xf6, /* mov.l @r15+,r0 */
3339 0x00, 0x09, /* nop */
3340 0x00, 0x09, /* nop */
3341 0x00, 0x09, /* nop */
3342 0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */
3343 0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */
3346 static const bfd_byte elf_sh_plt0_entry_le[PLT_ENTRY_SIZE] =
3348 0x05, 0xd0, /* mov.l 2f,r0 */
3349 0x02, 0x60, /* mov.l @r0,r0 */
3350 0x06, 0x2f, /* mov.l r0,@-r15 */
3351 0x03, 0xd0, /* mov.l 1f,r0 */
3352 0x02, 0x60, /* mov.l @r0,r0 */
3353 0x2b, 0x40, /* jmp @r0 */
3354 0xf6, 0x60, /* mov.l @r15+,r0 */
3355 0x09, 0x00, /* nop */
3356 0x09, 0x00, /* nop */
3357 0x09, 0x00, /* nop */
3358 0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */
3359 0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */
3362 /* Sebsequent entries in an absolute procedure linkage table look like
3365 static const bfd_byte elf_sh_plt_entry_be[PLT_ENTRY_SIZE] =
3367 0xd0, 0x04, /* mov.l 1f,r0 */
3368 0x60, 0x02, /* mov.l @r0,r0 */
3369 0xd1, 0x02, /* mov.l 0f,r1 */
3370 0x40, 0x2b, /* jmp @r0 */
3371 0x60, 0x13, /* mov r1,r0 */
3372 0xd1, 0x03, /* mov.l 2f,r1 */
3373 0x40, 0x2b, /* jmp @r0 */
3374 0x00, 0x09, /* nop */
3375 0, 0, 0, 0, /* 0: replaced with address of .PLT0. */
3376 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
3377 0, 0, 0, 0, /* 2: replaced with offset into relocation table. */
3380 static const bfd_byte elf_sh_plt_entry_le[PLT_ENTRY_SIZE] =
3382 0x04, 0xd0, /* mov.l 1f,r0 */
3383 0x02, 0x60, /* mov.l @r0,r0 */
3384 0x02, 0xd1, /* mov.l 0f,r1 */
3385 0x2b, 0x40, /* jmp @r0 */
3386 0x13, 0x60, /* mov r1,r0 */
3387 0x03, 0xd1, /* mov.l 2f,r1 */
3388 0x2b, 0x40, /* jmp @r0 */
3389 0x09, 0x00, /* nop */
3390 0, 0, 0, 0, /* 0: replaced with address of .PLT0. */
3391 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
3392 0, 0, 0, 0, /* 2: replaced with offset into relocation table. */
3395 /* Entries in a PIC procedure linkage table look like this. */
3397 static const bfd_byte elf_sh_pic_plt_entry_be[PLT_ENTRY_SIZE] =
3399 0xd0, 0x04, /* mov.l 1f,r0 */
3400 0x00, 0xce, /* mov.l @(r0,r12),r0 */
3401 0x40, 0x2b, /* jmp @r0 */
3402 0x00, 0x09, /* nop */
3403 0x50, 0xc2, /* mov.l @(8,r12),r0 */
3404 0xd1, 0x03, /* mov.l 2f,r1 */
3405 0x40, 0x2b, /* jmp @r0 */
3406 0x50, 0xc1, /* mov.l @(4,r12),r0 */
3407 0x00, 0x09, /* nop */
3408 0x00, 0x09, /* nop */
3409 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
3410 0, 0, 0, 0 /* 2: replaced with offset into relocation table. */
3413 static const bfd_byte elf_sh_pic_plt_entry_le[PLT_ENTRY_SIZE] =
3415 0x04, 0xd0, /* mov.l 1f,r0 */
3416 0xce, 0x00, /* mov.l @(r0,r12),r0 */
3417 0x2b, 0x40, /* jmp @r0 */
3418 0x09, 0x00, /* nop */
3419 0xc2, 0x50, /* mov.l @(8,r12),r0 */
3420 0x03, 0xd1, /* mov.l 2f,r1 */
3421 0x2b, 0x40, /* jmp @r0 */
3422 0xc1, 0x50, /* mov.l @(4,r12),r0 */
3423 0x09, 0x00, /* nop */
3424 0x09, 0x00, /* nop */
3425 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */
3426 0, 0, 0, 0 /* 2: replaced with offset into relocation table. */
3429 static const bfd_byte *elf_sh_plt0_entry;
3430 static const bfd_byte *elf_sh_plt_entry;
3431 static const bfd_byte *elf_sh_pic_plt_entry;
3433 /* Return size of a PLT entry. */
3434 #define elf_sh_sizeof_plt(info) PLT_ENTRY_SIZE
3436 /* Return offset of the PLT0 address in an absolute PLT entry. */
3437 #define elf_sh_plt_plt0_offset(info) 16
3439 /* Return offset of the linker in PLT0 entry. */
3440 #define elf_sh_plt0_linker_offset(info) 20
3442 /* Return offset of the GOT id in PLT0 entry. */
3443 #define elf_sh_plt0_gotid_offset(info) 24
3445 /* Return offset of the temporary in PLT entry */
3446 #define elf_sh_plt_temp_offset(info) 8
3448 /* Return offset of the symbol in PLT entry. */
3449 #define elf_sh_plt_symbol_offset(info) 20
3451 /* Return offset of the relocation in PLT entry. */
3452 #define elf_sh_plt_reloc_offset(info) 24
3455 /* The sh linker needs to keep track of the number of relocs that it
3456 decides to copy as dynamic relocs in check_relocs for each symbol.
3457 This is so that it can later discard them if they are found to be
3458 unnecessary. We store the information in a field extending the
3459 regular ELF linker hash table. */
3461 struct elf_sh_dyn_relocs
3463 struct elf_sh_dyn_relocs *next;
3465 /* The input section of the reloc. */
3468 /* Total number of relocs copied for the input section. */
3469 bfd_size_type count;
3471 /* Number of pc-relative relocs copied for the input section. */
3472 bfd_size_type pc_count;
3475 /* sh ELF linker hash entry. */
3477 struct elf_sh_link_hash_entry
3479 struct elf_link_hash_entry root;
3481 #ifdef INCLUDE_SHMEDIA
3484 bfd_signed_vma refcount;
3489 /* Track dynamic relocs copied for this symbol. */
3490 struct elf_sh_dyn_relocs *dyn_relocs;
3492 bfd_signed_vma gotplt_refcount;
3495 GOT_UNKNOWN = 0, GOT_NORMAL, GOT_TLS_GD, GOT_TLS_IE
3499 #define sh_elf_hash_entry(ent) ((struct elf_sh_link_hash_entry *)(ent))
3501 struct sh_elf_obj_tdata
3503 struct elf_obj_tdata root;
3505 /* tls_type for each local got entry. */
3506 char *local_got_tls_type;
3509 #define sh_elf_tdata(abfd) \
3510 ((struct sh_elf_obj_tdata *) (abfd)->tdata.any)
3512 #define sh_elf_local_got_tls_type(abfd) \
3513 (sh_elf_tdata (abfd)->local_got_tls_type)
3515 /* Override the generic function because we need to store sh_elf_obj_tdata
3516 as the specific tdata. */
3519 sh_elf_mkobject (bfd *abfd)
3521 bfd_size_type amt = sizeof (struct sh_elf_obj_tdata);
3522 abfd->tdata.any = bfd_zalloc (abfd, amt);
3523 if (abfd->tdata.any == NULL)
3528 /* sh ELF linker hash table. */
3530 struct elf_sh_link_hash_table
3532 struct elf_link_hash_table root;
3534 /* Short-cuts to get to dynamic linker sections. */
3543 /* Small local sym to section mapping cache. */
3544 struct sym_sec_cache sym_sec;
3546 /* A counter or offset to track a TLS got entry. */
3549 bfd_signed_vma refcount;
3554 /* Traverse an sh ELF linker hash table. */
3556 #define sh_elf_link_hash_traverse(table, func, info) \
3557 (elf_link_hash_traverse \
3559 (bfd_boolean (*) (struct elf_link_hash_entry *, void *)) (func), \
3562 /* Get the sh ELF linker hash table from a link_info structure. */
3564 #define sh_elf_hash_table(p) \
3565 ((struct elf_sh_link_hash_table *) ((p)->hash))
3567 /* Create an entry in an sh ELF linker hash table. */
3569 static struct bfd_hash_entry *
3570 sh_elf_link_hash_newfunc (struct bfd_hash_entry *entry,
3571 struct bfd_hash_table *table,
3574 struct elf_sh_link_hash_entry *ret =
3575 (struct elf_sh_link_hash_entry *) entry;
3577 /* Allocate the structure if it has not already been allocated by a
3579 if (ret == (struct elf_sh_link_hash_entry *) NULL)
3580 ret = ((struct elf_sh_link_hash_entry *)
3581 bfd_hash_allocate (table,
3582 sizeof (struct elf_sh_link_hash_entry)));
3583 if (ret == (struct elf_sh_link_hash_entry *) NULL)
3584 return (struct bfd_hash_entry *) ret;
3586 /* Call the allocation method of the superclass. */
3587 ret = ((struct elf_sh_link_hash_entry *)
3588 _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
3590 if (ret != (struct elf_sh_link_hash_entry *) NULL)
3592 ret->dyn_relocs = NULL;
3593 ret->gotplt_refcount = 0;
3594 #ifdef INCLUDE_SHMEDIA
3595 ret->datalabel_got.refcount = ret->root.got.refcount;
3597 ret->tls_type = GOT_UNKNOWN;
3600 return (struct bfd_hash_entry *) ret;
3603 /* Create an sh ELF linker hash table. */
3605 static struct bfd_link_hash_table *
3606 sh_elf_link_hash_table_create (bfd *abfd)
3608 struct elf_sh_link_hash_table *ret;
3609 bfd_size_type amt = sizeof (struct elf_sh_link_hash_table);
3611 ret = (struct elf_sh_link_hash_table *) bfd_malloc (amt);
3612 if (ret == (struct elf_sh_link_hash_table *) NULL)
3615 if (! _bfd_elf_link_hash_table_init (&ret->root, abfd,
3616 sh_elf_link_hash_newfunc))
3623 ret->sgotplt = NULL;
3624 ret->srelgot = NULL;
3626 ret->srelplt = NULL;
3627 ret->sdynbss = NULL;
3628 ret->srelbss = NULL;
3629 ret->sym_sec.abfd = NULL;
3630 ret->tls_ldm_got.refcount = 0;
3632 return &ret->root.root;
3635 /* Create .got, .gotplt, and .rela.got sections in DYNOBJ, and set up
3636 shortcuts to them in our hash table. */
3639 create_got_section (bfd *dynobj, struct bfd_link_info *info)
3641 struct elf_sh_link_hash_table *htab;
3643 if (! _bfd_elf_create_got_section (dynobj, info))
3646 htab = sh_elf_hash_table (info);
3647 htab->sgot = bfd_get_section_by_name (dynobj, ".got");
3648 htab->sgotplt = bfd_get_section_by_name (dynobj, ".got.plt");
3649 if (! htab->sgot || ! htab->sgotplt)
3652 htab->srelgot = bfd_make_section_with_flags (dynobj, ".rela.got",
3653 (SEC_ALLOC | SEC_LOAD
3656 | SEC_LINKER_CREATED
3658 if (htab->srelgot == NULL
3659 || ! bfd_set_section_alignment (dynobj, htab->srelgot, 2))
3664 /* Create dynamic sections when linking against a dynamic object. */
3667 sh_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
3669 struct elf_sh_link_hash_table *htab;
3670 flagword flags, pltflags;
3671 register asection *s;
3672 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
3675 switch (bed->s->arch_size)
3686 bfd_set_error (bfd_error_bad_value);
3690 htab = sh_elf_hash_table (info);
3691 if (htab->root.dynamic_sections_created)
3694 /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and
3695 .rel[a].bss sections. */
3697 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
3698 | SEC_LINKER_CREATED);
3701 pltflags |= SEC_CODE;
3702 if (bed->plt_not_loaded)
3703 pltflags &= ~ (SEC_LOAD | SEC_HAS_CONTENTS);
3704 if (bed->plt_readonly)
3705 pltflags |= SEC_READONLY;
3707 s = bfd_make_section_with_flags (abfd, ".plt", pltflags);
3710 || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
3713 if (bed->want_plt_sym)
3715 /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
3717 struct elf_link_hash_entry *h;
3718 struct bfd_link_hash_entry *bh = NULL;
3720 if (! (_bfd_generic_link_add_one_symbol
3721 (info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s,
3722 (bfd_vma) 0, (const char *) NULL, FALSE,
3723 get_elf_backend_data (abfd)->collect, &bh)))
3726 h = (struct elf_link_hash_entry *) bh;
3728 h->type = STT_OBJECT;
3729 htab->root.hplt = h;
3732 && ! bfd_elf_link_record_dynamic_symbol (info, h))
3736 s = bfd_make_section_with_flags (abfd,
3737 bed->default_use_rela_p ? ".rela.plt" : ".rel.plt",
3738 flags | SEC_READONLY);
3741 || ! bfd_set_section_alignment (abfd, s, ptralign))
3744 if (htab->sgot == NULL
3745 && !create_got_section (abfd, info))
3749 const char *secname;
3754 for (sec = abfd->sections; sec; sec = sec->next)
3756 secflags = bfd_get_section_flags (abfd, sec);
3757 if ((secflags & (SEC_DATA | SEC_LINKER_CREATED))
3758 || ((secflags & SEC_HAS_CONTENTS) != SEC_HAS_CONTENTS))
3760 secname = bfd_get_section_name (abfd, sec);
3761 relname = (char *) bfd_malloc ((bfd_size_type) strlen (secname) + 6);
3762 strcpy (relname, ".rela");
3763 strcat (relname, secname);
3764 if (bfd_get_section_by_name (abfd, secname))
3766 s = bfd_make_section_with_flags (abfd, relname,
3767 flags | SEC_READONLY);
3769 || ! bfd_set_section_alignment (abfd, s, ptralign))
3774 if (bed->want_dynbss)
3776 /* The .dynbss section is a place to put symbols which are defined
3777 by dynamic objects, are referenced by regular objects, and are
3778 not functions. We must allocate space for them in the process
3779 image and use a R_*_COPY reloc to tell the dynamic linker to
3780 initialize them at run time. The linker script puts the .dynbss
3781 section into the .bss section of the final image. */
3782 s = bfd_make_section_with_flags (abfd, ".dynbss",
3783 SEC_ALLOC | SEC_LINKER_CREATED);
3788 /* The .rel[a].bss section holds copy relocs. This section is not
3789 normally needed. We need to create it here, though, so that the
3790 linker will map it to an output section. We can't just create it
3791 only if we need it, because we will not know whether we need it
3792 until we have seen all the input files, and the first time the
3793 main linker code calls BFD after examining all the input files
3794 (size_dynamic_sections) the input sections have already been
3795 mapped to the output sections. If the section turns out not to
3796 be needed, we can discard it later. We will never need this
3797 section when generating a shared object, since they do not use
3801 s = bfd_make_section_with_flags (abfd,
3802 (bed->default_use_rela_p
3803 ? ".rela.bss" : ".rel.bss"),
3804 flags | SEC_READONLY);
3807 || ! bfd_set_section_alignment (abfd, s, ptralign))
3815 /* Adjust a symbol defined by a dynamic object and referenced by a
3816 regular object. The current definition is in some section of the
3817 dynamic object, but we're not including those sections. We have to
3818 change the definition to something the rest of the link can
3822 sh_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
3823 struct elf_link_hash_entry *h)
3825 struct elf_sh_link_hash_table *htab;
3826 struct elf_sh_link_hash_entry *eh;
3827 struct elf_sh_dyn_relocs *p;
3829 unsigned int power_of_two;
3831 htab = sh_elf_hash_table (info);
3833 /* Make sure we know what is going on here. */
3834 BFD_ASSERT (htab->root.dynobj != NULL
3836 || h->u.weakdef != NULL
3839 && !h->def_regular)));
3841 /* If this is a function, put it in the procedure linkage table. We
3842 will fill in the contents of the procedure linkage table later,
3843 when we know the address of the .got section. */
3844 if (h->type == STT_FUNC
3847 if (h->plt.refcount <= 0
3848 || SYMBOL_CALLS_LOCAL (info, h)
3849 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
3850 && h->root.type == bfd_link_hash_undefweak))
3852 /* This case can occur if we saw a PLT reloc in an input
3853 file, but the symbol was never referred to by a dynamic
3854 object. In such a case, we don't actually need to build
3855 a procedure linkage table, and we can just do a REL32
3857 h->plt.offset = (bfd_vma) -1;
3864 h->plt.offset = (bfd_vma) -1;
3866 /* If this is a weak symbol, and there is a real definition, the
3867 processor independent code will have arranged for us to see the
3868 real definition first, and we can just use the same value. */
3869 if (h->u.weakdef != NULL)
3871 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
3872 || h->u.weakdef->root.type == bfd_link_hash_defweak);
3873 h->root.u.def.section = h->u.weakdef->root.u.def.section;
3874 h->root.u.def.value = h->u.weakdef->root.u.def.value;
3875 if (info->nocopyreloc)
3876 h->non_got_ref = h->u.weakdef->non_got_ref;
3880 /* This is a reference to a symbol defined by a dynamic object which
3881 is not a function. */
3883 /* If we are creating a shared library, we must presume that the
3884 only references to the symbol are via the global offset table.
3885 For such cases we need not do anything here; the relocations will
3886 be handled correctly by relocate_section. */
3890 /* If there are no references to this symbol that do not use the
3891 GOT, we don't need to generate a copy reloc. */
3892 if (!h->non_got_ref)
3895 /* If -z nocopyreloc was given, we won't generate them either. */
3896 if (info->nocopyreloc)
3902 eh = (struct elf_sh_link_hash_entry *) h;
3903 for (p = eh->dyn_relocs; p != NULL; p = p->next)
3905 s = p->sec->output_section;
3906 if (s != NULL && (s->flags & (SEC_READONLY | SEC_HAS_CONTENTS)) != 0)
3910 /* If we didn't find any dynamic relocs in sections which needs the
3911 copy reloc, then we'll be keeping the dynamic relocs and avoiding
3921 (*_bfd_error_handler) (_("dynamic variable `%s' is zero size"),
3922 h->root.root.string);
3926 /* We must allocate the symbol in our .dynbss section, which will
3927 become part of the .bss section of the executable. There will be
3928 an entry for this symbol in the .dynsym section. The dynamic
3929 object will contain position independent code, so all references
3930 from the dynamic object to this symbol will go through the global
3931 offset table. The dynamic linker will use the .dynsym entry to
3932 determine the address it must put in the global offset table, so
3933 both the dynamic object and the regular object will refer to the
3934 same memory location for the variable. */
3937 BFD_ASSERT (s != NULL);
3939 /* We must generate a R_SH_COPY reloc to tell the dynamic linker to
3940 copy the initial value out of the dynamic object and into the
3941 runtime process image. We need to remember the offset into the
3942 .rela.bss section we are going to use. */
3943 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
3947 srel = htab->srelbss;
3948 BFD_ASSERT (srel != NULL);
3949 srel->size += sizeof (Elf32_External_Rela);
3953 /* We need to figure out the alignment required for this symbol. I
3954 have no idea how ELF linkers handle this. */
3955 power_of_two = bfd_log2 (h->size);
3956 if (power_of_two > 3)
3959 /* Apply the required alignment. */
3960 s->size = BFD_ALIGN (s->size, (bfd_size_type) (1 << power_of_two));
3961 if (power_of_two > bfd_get_section_alignment (htab->root.dynobj, s))
3963 if (! bfd_set_section_alignment (htab->root.dynobj, s, power_of_two))
3967 /* Define the symbol as being at this point in the section. */
3968 h->root.u.def.section = s;
3969 h->root.u.def.value = s->size;
3971 /* Increment the section size to make room for the symbol. */
3977 /* Allocate space in .plt, .got and associated reloc sections for
3981 allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
3983 struct bfd_link_info *info;
3984 struct elf_sh_link_hash_table *htab;
3985 struct elf_sh_link_hash_entry *eh;
3986 struct elf_sh_dyn_relocs *p;
3988 if (h->root.type == bfd_link_hash_indirect)
3991 if (h->root.type == bfd_link_hash_warning)
3992 /* When warning symbols are created, they **replace** the "real"
3993 entry in the hash table, thus we never get to see the real
3994 symbol in a hash traversal. So look at it now. */
3995 h = (struct elf_link_hash_entry *) h->root.u.i.link;
3997 info = (struct bfd_link_info *) inf;
3998 htab = sh_elf_hash_table (info);
4000 eh = (struct elf_sh_link_hash_entry *) h;
4001 if ((h->got.refcount > 0
4003 && eh->gotplt_refcount > 0)
4005 /* The symbol has been forced local, or we have some direct got refs,
4006 so treat all the gotplt refs as got refs. */
4007 h->got.refcount += eh->gotplt_refcount;
4008 if (h->plt.refcount >= eh->gotplt_refcount)
4009 h->plt.refcount -= eh->gotplt_refcount;
4012 if (htab->root.dynamic_sections_created
4013 && h->plt.refcount > 0
4014 && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
4015 || h->root.type != bfd_link_hash_undefweak))
4017 /* Make sure this symbol is output as a dynamic symbol.
4018 Undefined weak syms won't yet be marked as dynamic. */
4019 if (h->dynindx == -1
4020 && !h->forced_local)
4022 if (! bfd_elf_link_record_dynamic_symbol (info, h))
4027 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h))
4029 asection *s = htab->splt;
4031 /* If this is the first .plt entry, make room for the special
4034 s->size += PLT_ENTRY_SIZE;
4036 h->plt.offset = s->size;
4038 /* If this symbol is not defined in a regular file, and we are
4039 not generating a shared library, then set the symbol to this
4040 location in the .plt. This is required to make function
4041 pointers compare as equal between the normal executable and
4042 the shared library. */
4046 h->root.u.def.section = s;
4047 h->root.u.def.value = h->plt.offset;
4050 /* Make room for this entry. */
4051 s->size += PLT_ENTRY_SIZE;
4053 /* We also need to make an entry in the .got.plt section, which
4054 will be placed in the .got section by the linker script. */
4055 htab->sgotplt->size += 4;
4057 /* We also need to make an entry in the .rel.plt section. */
4058 htab->srelplt->size += sizeof (Elf32_External_Rela);
4062 h->plt.offset = (bfd_vma) -1;
4068 h->plt.offset = (bfd_vma) -1;
4072 if (h->got.refcount > 0)
4076 int tls_type = sh_elf_hash_entry (h)->tls_type;
4078 /* Make sure this symbol is output as a dynamic symbol.
4079 Undefined weak syms won't yet be marked as dynamic. */
4080 if (h->dynindx == -1
4081 && !h->forced_local)
4083 if (! bfd_elf_link_record_dynamic_symbol (info, h))
4088 h->got.offset = s->size;
4090 /* R_SH_TLS_GD needs 2 consecutive GOT slots. */
4091 if (tls_type == GOT_TLS_GD)
4093 dyn = htab->root.dynamic_sections_created;
4094 /* R_SH_TLS_IE_32 needs one dynamic relocation if dynamic,
4095 R_SH_TLS_GD needs one if local symbol and two if global. */
4096 if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
4097 || (tls_type == GOT_TLS_IE && dyn))
4098 htab->srelgot->size += sizeof (Elf32_External_Rela);
4099 else if (tls_type == GOT_TLS_GD)
4100 htab->srelgot->size += 2 * sizeof (Elf32_External_Rela);
4101 else if ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
4102 || h->root.type != bfd_link_hash_undefweak)
4104 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h)))
4105 htab->srelgot->size += sizeof (Elf32_External_Rela);
4108 h->got.offset = (bfd_vma) -1;
4110 #ifdef INCLUDE_SHMEDIA
4111 if (eh->datalabel_got.refcount > 0)
4116 /* Make sure this symbol is output as a dynamic symbol.
4117 Undefined weak syms won't yet be marked as dynamic. */
4118 if (h->dynindx == -1
4119 && !h->forced_local)
4121 if (! bfd_elf_link_record_dynamic_symbol (info, h))
4126 eh->datalabel_got.offset = s->size;
4128 dyn = htab->root.dynamic_sections_created;
4129 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h))
4130 htab->srelgot->size += sizeof (Elf32_External_Rela);
4133 eh->datalabel_got.offset = (bfd_vma) -1;
4136 if (eh->dyn_relocs == NULL)
4139 /* In the shared -Bsymbolic case, discard space allocated for
4140 dynamic pc-relative relocs against symbols which turn out to be
4141 defined in regular objects. For the normal shared case, discard
4142 space for pc-relative relocs that have become local due to symbol
4143 visibility changes. */
4147 if (SYMBOL_CALLS_LOCAL (info, h))
4149 struct elf_sh_dyn_relocs **pp;
4151 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
4153 p->count -= p->pc_count;
4162 /* Also discard relocs on undefined weak syms with non-default
4164 if (eh->dyn_relocs != NULL
4165 && h->root.type == bfd_link_hash_undefweak)
4167 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
4168 eh->dyn_relocs = NULL;
4170 /* Make sure undefined weak symbols are output as a dynamic
4172 else if (h->dynindx == -1
4173 && !h->forced_local)
4175 if (! bfd_elf_link_record_dynamic_symbol (info, h))
4182 /* For the non-shared case, discard space for relocs against
4183 symbols which turn out to need copy relocs or are not
4189 || (htab->root.dynamic_sections_created
4190 && (h->root.type == bfd_link_hash_undefweak
4191 || h->root.type == bfd_link_hash_undefined))))
4193 /* Make sure this symbol is output as a dynamic symbol.
4194 Undefined weak syms won't yet be marked as dynamic. */
4195 if (h->dynindx == -1
4196 && !h->forced_local)
4198 if (! bfd_elf_link_record_dynamic_symbol (info, h))
4202 /* If that succeeded, we know we'll be keeping all the
4204 if (h->dynindx != -1)
4208 eh->dyn_relocs = NULL;
4213 /* Finally, allocate space. */
4214 for (p = eh->dyn_relocs; p != NULL; p = p->next)
4216 asection *sreloc = elf_section_data (p->sec)->sreloc;
4217 sreloc->size += p->count * sizeof (Elf32_External_Rela);
4223 /* Find any dynamic relocs that apply to read-only sections. */
4226 readonly_dynrelocs (struct elf_link_hash_entry *h, void *inf)
4228 struct elf_sh_link_hash_entry *eh;
4229 struct elf_sh_dyn_relocs *p;
4231 if (h->root.type == bfd_link_hash_warning)
4232 h = (struct elf_link_hash_entry *) h->root.u.i.link;
4234 eh = (struct elf_sh_link_hash_entry *) h;
4235 for (p = eh->dyn_relocs; p != NULL; p = p->next)
4237 asection *s = p->sec->output_section;
4239 if (s != NULL && (s->flags & SEC_READONLY) != 0)
4241 struct bfd_link_info *info = (struct bfd_link_info *) inf;
4243 info->flags |= DF_TEXTREL;
4245 /* Not an error, just cut short the traversal. */
4252 /* Set the sizes of the dynamic sections. */
4255 sh_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
4256 struct bfd_link_info *info)
4258 struct elf_sh_link_hash_table *htab;
4264 htab = sh_elf_hash_table (info);
4265 dynobj = htab->root.dynobj;
4266 BFD_ASSERT (dynobj != NULL);
4268 if (htab->root.dynamic_sections_created)
4270 /* Set the contents of the .interp section to the interpreter. */
4271 if (info->executable)
4273 s = bfd_get_section_by_name (dynobj, ".interp");
4274 BFD_ASSERT (s != NULL);
4275 s->size = sizeof ELF_DYNAMIC_INTERPRETER;
4276 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
4280 /* Set up .got offsets for local syms, and space for local dynamic
4282 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
4284 bfd_signed_vma *local_got;
4285 bfd_signed_vma *end_local_got;
4286 char *local_tls_type;
4287 bfd_size_type locsymcount;
4288 Elf_Internal_Shdr *symtab_hdr;
4291 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour)
4294 for (s = ibfd->sections; s != NULL; s = s->next)
4296 struct elf_sh_dyn_relocs *p;
4298 for (p = ((struct elf_sh_dyn_relocs *)
4299 elf_section_data (s)->local_dynrel);
4303 if (! bfd_is_abs_section (p->sec)
4304 && bfd_is_abs_section (p->sec->output_section))
4306 /* Input section has been discarded, either because
4307 it is a copy of a linkonce section or due to
4308 linker script /DISCARD/, so we'll be discarding
4311 else if (p->count != 0)
4313 srel = elf_section_data (p->sec)->sreloc;
4314 srel->size += p->count * sizeof (Elf32_External_Rela);
4315 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
4316 info->flags |= DF_TEXTREL;
4321 local_got = elf_local_got_refcounts (ibfd);
4325 symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
4326 locsymcount = symtab_hdr->sh_info;
4327 #ifdef INCLUDE_SHMEDIA
4328 /* Count datalabel local GOT. */
4331 end_local_got = local_got + locsymcount;
4332 local_tls_type = sh_elf_local_got_tls_type (ibfd);
4334 srel = htab->srelgot;
4335 for (; local_got < end_local_got; ++local_got)
4339 *local_got = s->size;
4341 if (*local_tls_type == GOT_TLS_GD)
4344 srel->size += sizeof (Elf32_External_Rela);
4347 *local_got = (bfd_vma) -1;
4352 if (htab->tls_ldm_got.refcount > 0)
4354 /* Allocate 2 got entries and 1 dynamic reloc for R_SH_TLS_LD_32
4356 htab->tls_ldm_got.offset = htab->sgot->size;
4357 htab->sgot->size += 8;
4358 htab->srelgot->size += sizeof (Elf32_External_Rela);
4361 htab->tls_ldm_got.offset = -1;
4363 /* Allocate global sym .plt and .got entries, and space for global
4364 sym dynamic relocs. */
4365 elf_link_hash_traverse (&htab->root, allocate_dynrelocs, info);
4367 /* We now have determined the sizes of the various dynamic sections.
4368 Allocate memory for them. */
4370 for (s = dynobj->sections; s != NULL; s = s->next)
4372 if ((s->flags & SEC_LINKER_CREATED) == 0)
4377 || s == htab->sgotplt
4378 || s == htab->sdynbss)
4380 /* Strip this section if we don't need it; see the
4383 else if (strncmp (bfd_get_section_name (dynobj, s), ".rela", 5) == 0)
4385 if (s->size != 0 && s != htab->srelplt)
4388 /* We use the reloc_count field as a counter if we need
4389 to copy relocs into the output file. */
4394 /* It's not one of our sections, so don't allocate space. */
4400 /* If we don't need this section, strip it from the
4401 output file. This is mostly to handle .rela.bss and
4402 .rela.plt. We must create both sections in
4403 create_dynamic_sections, because they must be created
4404 before the linker maps input sections to output
4405 sections. The linker does that before
4406 adjust_dynamic_symbol is called, and it is that
4407 function which decides whether anything needs to go
4408 into these sections. */
4410 s->flags |= SEC_EXCLUDE;
4414 if ((s->flags & SEC_HAS_CONTENTS) == 0)
4417 /* Allocate memory for the section contents. We use bfd_zalloc
4418 here in case unused entries are not reclaimed before the
4419 section's contents are written out. This should not happen,
4420 but this way if it does, we get a R_SH_NONE reloc instead
4422 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
4423 if (s->contents == NULL)
4427 if (htab->root.dynamic_sections_created)
4429 /* Add some entries to the .dynamic section. We fill in the
4430 values later, in sh_elf_finish_dynamic_sections, but we
4431 must add the entries now so that we get the correct size for
4432 the .dynamic section. The DT_DEBUG entry is filled in by the
4433 dynamic linker and used by the debugger. */
4434 #define add_dynamic_entry(TAG, VAL) \
4435 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
4437 if (info->executable)
4439 if (! add_dynamic_entry (DT_DEBUG, 0))
4443 if (htab->splt->size != 0)
4445 if (! add_dynamic_entry (DT_PLTGOT, 0)
4446 || ! add_dynamic_entry (DT_PLTRELSZ, 0)
4447 || ! add_dynamic_entry (DT_PLTREL, DT_RELA)
4448 || ! add_dynamic_entry (DT_JMPREL, 0))
4454 if (! add_dynamic_entry (DT_RELA, 0)
4455 || ! add_dynamic_entry (DT_RELASZ, 0)
4456 || ! add_dynamic_entry (DT_RELAENT,
4457 sizeof (Elf32_External_Rela)))
4460 /* If any dynamic relocs apply to a read-only section,
4461 then we need a DT_TEXTREL entry. */
4462 if ((info->flags & DF_TEXTREL) == 0)
4463 elf_link_hash_traverse (&htab->root, readonly_dynrelocs, info);
4465 if ((info->flags & DF_TEXTREL) != 0)
4467 if (! add_dynamic_entry (DT_TEXTREL, 0))
4472 #undef add_dynamic_entry
4477 /* Relocate an SH ELF section. */
4480 sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
4481 bfd *input_bfd, asection *input_section,
4482 bfd_byte *contents, Elf_Internal_Rela *relocs,
4483 Elf_Internal_Sym *local_syms,
4484 asection **local_sections)
4486 struct elf_sh_link_hash_table *htab;
4487 Elf_Internal_Shdr *symtab_hdr;
4488 struct elf_link_hash_entry **sym_hashes;
4489 Elf_Internal_Rela *rel, *relend;
4491 bfd_vma *local_got_offsets;
4498 htab = sh_elf_hash_table (info);
4499 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
4500 sym_hashes = elf_sym_hashes (input_bfd);
4501 dynobj = htab->root.dynobj;
4502 local_got_offsets = elf_local_got_offsets (input_bfd);
4505 sgotplt = htab->sgotplt;
4511 relend = relocs + input_section->reloc_count;
4512 for (; rel < relend; rel++)
4515 reloc_howto_type *howto;
4516 unsigned long r_symndx;
4517 Elf_Internal_Sym *sym;
4519 struct elf_link_hash_entry *h;
4521 bfd_vma addend = (bfd_vma) 0;
4522 bfd_reloc_status_type r;
4523 int seen_stt_datalabel = 0;
4527 r_symndx = ELF32_R_SYM (rel->r_info);
4529 r_type = ELF32_R_TYPE (rel->r_info);
4531 /* Many of the relocs are only used for relaxing, and are
4532 handled entirely by the relaxation code. */
4533 if (r_type >= (int) R_SH_GNU_VTINHERIT
4534 && r_type <= (int) R_SH_LABEL)
4536 if (r_type == (int) R_SH_NONE)
4540 || r_type >= R_SH_max
4541 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC
4542 && r_type <= (int) R_SH_LAST_INVALID_RELOC)
4543 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_3
4544 && r_type <= (int) R_SH_LAST_INVALID_RELOC_3)
4545 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_4
4546 && r_type <= (int) R_SH_LAST_INVALID_RELOC_4)
4547 || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_5
4548 && r_type <= (int) R_SH_LAST_INVALID_RELOC_5)
4549 || (r_type >= (int) R_SH_FIRST_INVALID_RELOC_2
4550 && r_type <= (int) R_SH_LAST_INVALID_RELOC_2))
4552 bfd_set_error (bfd_error_bad_value);
4556 howto = sh_elf_howto_table + r_type;
4558 /* For relocs that aren't partial_inplace, we get the addend from
4560 if (! howto->partial_inplace)
4561 addend = rel->r_addend;
4566 if (r_symndx < symtab_hdr->sh_info)
4568 sym = local_syms + r_symndx;
4569 sec = local_sections[r_symndx];
4570 relocation = (sec->output_section->vma
4571 + sec->output_offset
4573 /* A local symbol never has STO_SH5_ISA32, so we don't need
4574 datalabel processing here. Make sure this does not change
4576 if ((sym->st_other & STO_SH5_ISA32) != 0)
4577 ((*info->callbacks->reloc_dangerous)
4579 _("Unexpected STO_SH5_ISA32 on local symbol is not handled"),
4580 input_bfd, input_section, rel->r_offset));
4581 if (info->relocatable)
4583 /* This is a relocatable link. We don't have to change
4584 anything, unless the reloc is against a section symbol,
4585 in which case we have to adjust according to where the
4586 section symbol winds up in the output section. */
4587 sym = local_syms + r_symndx;
4588 if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
4590 if (! howto->partial_inplace)
4592 /* For relocations with the addend in the
4593 relocation, we need just to update the addend.
4594 All real relocs are of type partial_inplace; this
4595 code is mostly for completeness. */
4596 rel->r_addend += sec->output_offset + sym->st_value;
4601 /* Relocs of type partial_inplace need to pick up the
4602 contents in the contents and add the offset resulting
4603 from the changed location of the section symbol.
4604 Using _bfd_final_link_relocate (e.g. goto
4605 final_link_relocate) here would be wrong, because
4606 relocations marked pc_relative would get the current
4607 location subtracted, and we must only do that at the
4609 r = _bfd_relocate_contents (howto, input_bfd,
4612 contents + rel->r_offset);
4613 goto relocation_done;
4618 else if (! howto->partial_inplace)
4620 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
4621 addend = rel->r_addend;
4623 else if ((sec->flags & SEC_MERGE)
4624 && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
4628 if (howto->rightshift || howto->src_mask != 0xffffffff)
4630 (*_bfd_error_handler)
4631 (_("%B(%A+0x%lx): %s relocation against SEC_MERGE section"),
4632 input_bfd, input_section,
4633 (long) rel->r_offset, howto->name);
4637 addend = bfd_get_32 (input_bfd, contents + rel->r_offset);
4640 _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend)
4642 addend += msec->output_section->vma + msec->output_offset;
4643 bfd_put_32 (input_bfd, addend, contents + rel->r_offset);
4649 /* FIXME: Ought to make use of the RELOC_FOR_GLOBAL_SYMBOL macro. */
4651 /* Section symbol are never (?) placed in the hash table, so
4652 we can just ignore hash relocations when creating a
4653 relocatable object file. */
4654 if (info->relocatable)
4657 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
4658 while (h->root.type == bfd_link_hash_indirect
4659 || h->root.type == bfd_link_hash_warning)
4661 #ifdef INCLUDE_SHMEDIA
4662 /* If the reference passes a symbol marked with
4663 STT_DATALABEL, then any STO_SH5_ISA32 on the final value
4665 seen_stt_datalabel |= h->type == STT_DATALABEL;
4667 h = (struct elf_link_hash_entry *) h->root.u.i.link;
4669 if (h->root.type == bfd_link_hash_defined
4670 || h->root.type == bfd_link_hash_defweak)
4674 dyn = htab->root.dynamic_sections_created;
4675 sec = h->root.u.def.section;
4676 /* In these cases, we don't need the relocation value.
4677 We check specially because in some obscure cases
4678 sec->output_section will be NULL. */
4679 if (r_type == R_SH_GOTPC
4680 || r_type == R_SH_GOTPC_LOW16
4681 || r_type == R_SH_GOTPC_MEDLOW16
4682 || r_type == R_SH_GOTPC_MEDHI16
4683 || r_type == R_SH_GOTPC_HI16
4684 || ((r_type == R_SH_PLT32
4685 || r_type == R_SH_PLT_LOW16
4686 || r_type == R_SH_PLT_MEDLOW16
4687 || r_type == R_SH_PLT_MEDHI16
4688 || r_type == R_SH_PLT_HI16)
4689 && h->plt.offset != (bfd_vma) -1)
4690 || ((r_type == R_SH_GOT32
4691 || r_type == R_SH_GOT_LOW16
4692 || r_type == R_SH_GOT_MEDLOW16
4693 || r_type == R_SH_GOT_MEDHI16
4694 || r_type == R_SH_GOT_HI16)
4695 && WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
4697 || (! info->symbolic && h->dynindx != -1)
4698 || !h->def_regular))
4699 /* The cases above are those in which relocation is
4700 overwritten in the switch block below. The cases
4701 below are those in which we must defer relocation
4702 to run-time, because we can't resolve absolute
4703 addresses when creating a shared library. */
4705 && ((! info->symbolic && h->dynindx != -1)
4707 && ((r_type == R_SH_DIR32
4708 && !h->forced_local)
4709 || (r_type == R_SH_REL32
4710 && !SYMBOL_CALLS_LOCAL (info, h)))
4711 && ((input_section->flags & SEC_ALLOC) != 0
4712 /* DWARF will emit R_SH_DIR32 relocations in its
4713 sections against symbols defined externally
4714 in shared libraries. We can't do anything
4716 || ((input_section->flags & SEC_DEBUGGING) != 0
4717 && h->def_dynamic)))
4718 /* Dynamic relocs are not propagated for SEC_DEBUGGING
4719 sections because such sections are not SEC_ALLOC and
4720 thus ld.so will not process them. */
4721 || (sec->output_section == NULL
4722 && ((input_section->flags & SEC_DEBUGGING) != 0
4724 || (sec->output_section == NULL
4725 && (sh_elf_hash_entry (h)->tls_type == GOT_TLS_IE
4726 || sh_elf_hash_entry (h)->tls_type == GOT_TLS_GD)))
4728 else if (sec->output_section == NULL)
4730 (*_bfd_error_handler)
4731 (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
4734 (long) rel->r_offset,
4736 h->root.root.string);
4740 relocation = ((h->root.u.def.value
4741 + sec->output_section->vma
4742 + sec->output_offset)
4743 /* A STO_SH5_ISA32 causes a "bitor 1" to the
4744 symbol value, unless we've seen
4745 STT_DATALABEL on the way to it. */
4746 | ((h->other & STO_SH5_ISA32) != 0
4747 && ! seen_stt_datalabel));
4749 else if (h->root.type == bfd_link_hash_undefweak)
4751 else if (info->unresolved_syms_in_objects == RM_IGNORE
4752 && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
4756 if (! info->callbacks->undefined_symbol
4757 (info, h->root.root.string, input_bfd,
4758 input_section, rel->r_offset,
4759 (info->unresolved_syms_in_objects == RM_GENERATE_ERROR
4760 || ELF_ST_VISIBILITY (h->other))))
4766 switch ((int) r_type)
4768 final_link_relocate:
4769 /* COFF relocs don't use the addend. The addend is used for
4770 R_SH_DIR32 to be compatible with other compilers. */
4771 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
4772 contents, rel->r_offset,
4773 relocation, addend);
4777 goto final_link_relocate;
4782 /* If the reloc is against the start of this section, then
4783 the assembler has already taken care of it and the reloc
4784 is here only to assist in relaxing. If the reloc is not
4785 against the start of this section, then it's against an
4786 external symbol and we must deal with it ourselves. */
4787 if (input_section->output_section->vma + input_section->output_offset
4790 int disp = (relocation
4791 - input_section->output_section->vma
4792 - input_section->output_offset
4798 case R_SH_DIR8WPZ: mask = 1; break;
4799 case R_SH_DIR8WPL: mask = 3; break;
4800 default: mask = 0; break;
4804 ((*_bfd_error_handler)
4805 (_("%B: 0x%lx: fatal: unaligned branch target for relax-support relocation"),
4806 input_section->owner,
4807 (unsigned long) rel->r_offset));
4808 bfd_set_error (bfd_error_bad_value);
4812 goto final_link_relocate;
4818 #ifdef INCLUDE_SHMEDIA
4819 if (shmedia_prepare_reloc (info, input_bfd, input_section,
4820 contents, rel, &relocation))
4821 goto final_link_relocate;
4823 bfd_set_error (bfd_error_bad_value);
4831 goto final_link_relocate;
4837 ((*_bfd_error_handler)
4838 (_("%B: 0x%lx: fatal: unaligned %s relocation 0x%lx"),
4839 input_section->owner,
4840 (unsigned long) rel->r_offset, howto->name,
4841 (unsigned long) relocation));
4842 bfd_set_error (bfd_error_bad_value);
4845 goto final_link_relocate;
4852 ((*_bfd_error_handler)
4853 (_("%B: 0x%lx: fatal: unaligned %s relocation 0x%lx"),
4854 input_section->owner,
4855 (unsigned long) rel->r_offset, howto->name,
4856 (unsigned long) relocation));
4857 bfd_set_error (bfd_error_bad_value);
4860 goto final_link_relocate;
4863 if ((signed int)relocation < -32
4864 || (signed int)relocation > 32)
4866 ((*_bfd_error_handler)
4867 (_("%B: 0x%lx: fatal: R_SH_PSHA relocation %d not in range -32..32"),
4868 input_section->owner,
4869 (unsigned long) rel->r_offset,
4870 (unsigned long) relocation));
4871 bfd_set_error (bfd_error_bad_value);
4874 goto final_link_relocate;
4877 if ((signed int)relocation < -16
4878 || (signed int)relocation > 16)
4880 ((*_bfd_error_handler)
4881 (_("%B: 0x%lx: fatal: R_SH_PSHL relocation %d not in range -32..32"),
4882 input_section->owner,
4883 (unsigned long) rel->r_offset,
4884 (unsigned long) relocation));
4885 bfd_set_error (bfd_error_bad_value);
4888 goto final_link_relocate;
4892 #ifdef INCLUDE_SHMEDIA
4893 case R_SH_IMM_LOW16_PCREL:
4894 case R_SH_IMM_MEDLOW16_PCREL:
4895 case R_SH_IMM_MEDHI16_PCREL:
4896 case R_SH_IMM_HI16_PCREL:
4900 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
4901 || h->root.type != bfd_link_hash_undefweak)
4903 && (input_section->flags & SEC_ALLOC) != 0
4904 && (r_type == R_SH_DIR32
4905 || !SYMBOL_CALLS_LOCAL (info, h)))
4907 Elf_Internal_Rela outrel;
4909 bfd_boolean skip, relocate;
4911 /* When generating a shared object, these relocations
4912 are copied into the output file to be resolved at run
4919 name = (bfd_elf_string_from_elf_section
4921 elf_elfheader (input_bfd)->e_shstrndx,
4922 elf_section_data (input_section)->rel_hdr.sh_name));
4926 BFD_ASSERT (strncmp (name, ".rela", 5) == 0
4927 && strcmp (bfd_get_section_name (input_bfd,
4931 sreloc = bfd_get_section_by_name (dynobj, name);
4932 BFD_ASSERT (sreloc != NULL);
4939 _bfd_elf_section_offset (output_bfd, info, input_section,
4941 if (outrel.r_offset == (bfd_vma) -1)
4943 else if (outrel.r_offset == (bfd_vma) -2)
4944 skip = TRUE, relocate = TRUE;
4945 outrel.r_offset += (input_section->output_section->vma
4946 + input_section->output_offset);
4949 memset (&outrel, 0, sizeof outrel);
4950 else if (r_type == R_SH_REL32)
4952 BFD_ASSERT (h != NULL && h->dynindx != -1);
4953 outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_REL32);
4955 = bfd_get_32 (input_bfd, contents + rel->r_offset);
4957 #ifdef INCLUDE_SHMEDIA
4958 else if (r_type == R_SH_IMM_LOW16_PCREL
4959 || r_type == R_SH_IMM_MEDLOW16_PCREL
4960 || r_type == R_SH_IMM_MEDHI16_PCREL
4961 || r_type == R_SH_IMM_HI16_PCREL)
4963 BFD_ASSERT (h != NULL && h->dynindx != -1);
4964 outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
4965 outrel.r_addend = addend;
4970 /* h->dynindx may be -1 if this symbol was marked to
4973 || ((info->symbolic || h->dynindx == -1)
4977 outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
4979 = relocation + bfd_get_32 (input_bfd,
4980 contents + rel->r_offset);
4984 BFD_ASSERT (h->dynindx != -1);
4985 outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_DIR32);
4987 = relocation + bfd_get_32 (input_bfd,
4988 contents + rel->r_offset);
4992 loc = sreloc->contents;
4993 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
4994 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
4996 /* If this reloc is against an external symbol, we do
4997 not want to fiddle with the addend. Otherwise, we
4998 need to include the symbol value so that it becomes
4999 an addend for the dynamic reloc. */
5003 goto final_link_relocate;
5006 #ifdef INCLUDE_SHMEDIA
5007 case R_SH_GOTPLT_LOW16:
5008 case R_SH_GOTPLT_MEDLOW16:
5009 case R_SH_GOTPLT_MEDHI16:
5010 case R_SH_GOTPLT_HI16:
5011 case R_SH_GOTPLT10BY4:
5012 case R_SH_GOTPLT10BY8:
5014 /* Relocation is to the entry for this symbol in the
5015 procedure linkage table. */
5022 || h->plt.offset == (bfd_vma) -1
5023 || h->got.offset != (bfd_vma) -1)
5026 /* Relocation is to the entry for this symbol in the global
5027 offset table extension for the procedure linkage table. */
5029 BFD_ASSERT (sgotplt != NULL);
5030 relocation = (sgotplt->output_offset
5031 + ((h->plt.offset / elf_sh_sizeof_plt (info)
5035 relocation -= GOT_BIAS;
5038 goto final_link_relocate;
5042 #ifdef INCLUDE_SHMEDIA
5043 case R_SH_GOT_LOW16:
5044 case R_SH_GOT_MEDLOW16:
5045 case R_SH_GOT_MEDHI16:
5050 /* Relocation is to the entry for this symbol in the global
5053 BFD_ASSERT (sgot != NULL);
5059 off = h->got.offset;
5060 #ifdef INCLUDE_SHMEDIA
5061 if (seen_stt_datalabel)
5063 struct elf_sh_link_hash_entry *hsh;
5065 hsh = (struct elf_sh_link_hash_entry *)h;
5066 off = hsh->datalabel_got.offset;
5069 BFD_ASSERT (off != (bfd_vma) -1);
5071 dyn = htab->root.dynamic_sections_created;
5072 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
5074 && SYMBOL_REFERENCES_LOCAL (info, h))
5075 || (ELF_ST_VISIBILITY (h->other)
5076 && h->root.type == bfd_link_hash_undefweak))
5078 /* This is actually a static link, or it is a
5079 -Bsymbolic link and the symbol is defined
5080 locally, or the symbol was forced to be local
5081 because of a version file. We must initialize
5082 this entry in the global offset table. Since the
5083 offset must always be a multiple of 4, we use the
5084 least significant bit to record whether we have
5085 initialized it already.
5087 When doing a dynamic link, we create a .rela.got
5088 relocation entry to initialize the value. This
5089 is done in the finish_dynamic_symbol routine. */
5094 bfd_put_32 (output_bfd, relocation,
5095 sgot->contents + off);
5096 #ifdef INCLUDE_SHMEDIA
5097 if (seen_stt_datalabel)
5099 struct elf_sh_link_hash_entry *hsh;
5101 hsh = (struct elf_sh_link_hash_entry *)h;
5102 hsh->datalabel_got.offset |= 1;
5110 relocation = sgot->output_offset + off;
5114 #ifdef INCLUDE_SHMEDIA
5117 BFD_ASSERT (local_got_offsets != NULL
5118 && (local_got_offsets[symtab_hdr->sh_info
5122 off = local_got_offsets[symtab_hdr->sh_info
5128 BFD_ASSERT (local_got_offsets != NULL
5129 && local_got_offsets[r_symndx] != (bfd_vma) -1);
5131 off = local_got_offsets[r_symndx];
5132 #ifdef INCLUDE_SHMEDIA
5136 /* The offset must always be a multiple of 4. We use
5137 the least significant bit to record whether we have
5138 already generated the necessary reloc. */
5143 bfd_put_32 (output_bfd, relocation, sgot->contents + off);
5147 Elf_Internal_Rela outrel;
5150 if (srelgot == NULL)
5152 srelgot = bfd_get_section_by_name (dynobj,
5154 BFD_ASSERT (srelgot != NULL);
5157 outrel.r_offset = (sgot->output_section->vma
5158 + sgot->output_offset
5160 outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
5161 outrel.r_addend = relocation;
5162 loc = srelgot->contents;
5163 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
5164 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5167 #ifdef INCLUDE_SHMEDIA
5169 local_got_offsets[symtab_hdr->sh_info + r_symndx] |= 1;
5172 local_got_offsets[r_symndx] |= 1;
5175 relocation = sgot->output_offset + off;
5179 relocation -= GOT_BIAS;
5182 goto final_link_relocate;
5185 #ifdef INCLUDE_SHMEDIA
5186 case R_SH_GOTOFF_LOW16:
5187 case R_SH_GOTOFF_MEDLOW16:
5188 case R_SH_GOTOFF_MEDHI16:
5189 case R_SH_GOTOFF_HI16:
5191 /* Relocation is relative to the start of the global offset
5194 BFD_ASSERT (sgot != NULL);
5196 /* Note that sgot->output_offset is not involved in this
5197 calculation. We always want the start of .got. If we
5198 defined _GLOBAL_OFFSET_TABLE in a different way, as is
5199 permitted by the ABI, we might have to change this
5201 relocation -= sgot->output_section->vma;
5204 relocation -= GOT_BIAS;
5207 addend = rel->r_addend;
5209 goto final_link_relocate;
5212 #ifdef INCLUDE_SHMEDIA
5213 case R_SH_GOTPC_LOW16:
5214 case R_SH_GOTPC_MEDLOW16:
5215 case R_SH_GOTPC_MEDHI16:
5216 case R_SH_GOTPC_HI16:
5218 /* Use global offset table as symbol value. */
5220 BFD_ASSERT (sgot != NULL);
5221 relocation = sgot->output_section->vma;
5224 relocation += GOT_BIAS;
5227 addend = rel->r_addend;
5229 goto final_link_relocate;
5232 #ifdef INCLUDE_SHMEDIA
5233 case R_SH_PLT_LOW16:
5234 case R_SH_PLT_MEDLOW16:
5235 case R_SH_PLT_MEDHI16:
5238 /* Relocation is to the entry for this symbol in the
5239 procedure linkage table. */
5241 /* Resolve a PLT reloc against a local symbol directly,
5242 without using the procedure linkage table. */
5244 goto final_link_relocate;
5246 if (h->forced_local)
5247 goto final_link_relocate;
5249 if (h->plt.offset == (bfd_vma) -1)
5251 /* We didn't make a PLT entry for this symbol. This
5252 happens when statically linking PIC code, or when
5253 using -Bsymbolic. */
5254 goto final_link_relocate;
5257 BFD_ASSERT (splt != NULL);
5258 relocation = (splt->output_section->vma
5259 + splt->output_offset
5262 #ifdef INCLUDE_SHMEDIA
5266 addend = rel->r_addend;
5268 goto final_link_relocate;
5270 case R_SH_LOOP_START:
5272 static bfd_vma start, end;
5274 start = (relocation + rel->r_addend
5275 - (sec->output_section->vma + sec->output_offset));
5276 r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
5277 rel->r_offset, sec, start, end);
5281 end = (relocation + rel->r_addend
5282 - (sec->output_section->vma + sec->output_offset));
5283 r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
5284 rel->r_offset, sec, start, end);
5288 case R_SH_TLS_GD_32:
5289 case R_SH_TLS_IE_32:
5290 r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
5291 tls_type = GOT_UNKNOWN;
5292 if (h == NULL && local_got_offsets)
5293 tls_type = sh_elf_local_got_tls_type (input_bfd) [r_symndx];
5296 tls_type = sh_elf_hash_entry (h)->tls_type;
5298 && (h->dynindx == -1
5300 r_type = R_SH_TLS_LE_32;
5303 if (r_type == R_SH_TLS_GD_32 && tls_type == GOT_TLS_IE)
5304 r_type = R_SH_TLS_IE_32;
5306 if (r_type == R_SH_TLS_LE_32)
5309 unsigned short insn;
5311 if (ELF32_R_TYPE (rel->r_info) == R_SH_TLS_GD_32)
5313 /* GD->LE transition:
5314 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
5315 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
5316 1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
5318 mov.l 1f,r4; stc gbr,r0; add r4,r0; nop;
5320 1: .long x@TPOFF; 2: .long __tls_get_addr@PLT; 3:. */
5322 offset = rel->r_offset;
5323 BFD_ASSERT (offset >= 16);
5324 /* Size of GD instructions is 16 or 18. */
5326 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5327 if ((insn & 0xff00) == 0xc700)
5329 BFD_ASSERT (offset >= 2);
5331 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5334 BFD_ASSERT ((insn & 0xff00) == 0xd400);
5335 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5336 BFD_ASSERT ((insn & 0xff00) == 0xc700);
5337 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5338 BFD_ASSERT ((insn & 0xff00) == 0xd100);
5339 insn = bfd_get_16 (input_bfd, contents + offset + 6);
5340 BFD_ASSERT (insn == 0x310c);
5341 insn = bfd_get_16 (input_bfd, contents + offset + 8);
5342 BFD_ASSERT (insn == 0x410b);
5343 insn = bfd_get_16 (input_bfd, contents + offset + 10);
5344 BFD_ASSERT (insn == 0x34cc);
5346 bfd_put_16 (output_bfd, 0x0012, contents + offset + 2);
5347 bfd_put_16 (output_bfd, 0x304c, contents + offset + 4);
5348 bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
5349 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
5350 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
5356 /* IE->LE transition:
5357 mov.l 1f,r0; stc gbr,rN; mov.l @(r0,r12),rM;
5358 bra 2f; add ...; .align 2; 1: x@GOTTPOFF; 2:
5360 mov.l .Ln,rM; stc gbr,rN; nop; ...;
5363 offset = rel->r_offset;
5364 BFD_ASSERT (offset >= 16);
5365 /* Size of IE instructions is 10 or 12. */
5367 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5368 if ((insn & 0xf0ff) == 0x0012)
5370 BFD_ASSERT (offset >= 2);
5372 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5375 BFD_ASSERT ((insn & 0xff00) == 0xd000);
5376 index = insn & 0x00ff;
5377 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5378 BFD_ASSERT ((insn & 0xf0ff) == 0x0012);
5379 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5380 BFD_ASSERT ((insn & 0xf0ff) == 0x00ce);
5381 insn = 0xd000 | (insn & 0x0f00) | index;
5382 bfd_put_16 (output_bfd, insn, contents + offset + 0);
5383 bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
5386 bfd_put_32 (output_bfd, tpoff (info, relocation),
5387 contents + rel->r_offset);
5396 off = h->got.offset;
5399 if (local_got_offsets == NULL)
5402 off = local_got_offsets[r_symndx];
5405 /* Relocate R_SH_TLS_IE_32 directly when statically linking. */
5406 if (r_type == R_SH_TLS_IE_32
5407 && ! htab->root.dynamic_sections_created)
5410 bfd_put_32 (output_bfd, tpoff (info, relocation),
5411 sgot->contents + off);
5412 bfd_put_32 (output_bfd, sgot->output_offset + off,
5413 contents + rel->r_offset);
5421 Elf_Internal_Rela outrel;
5425 if (srelgot == NULL)
5427 srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
5428 BFD_ASSERT (srelgot != NULL);
5431 outrel.r_offset = (sgot->output_section->vma
5432 + sgot->output_offset + off);
5434 if (h == NULL || h->dynindx == -1)
5439 dr_type = (r_type == R_SH_TLS_GD_32 ? R_SH_TLS_DTPMOD32 :
5441 if (dr_type == R_SH_TLS_TPOFF32 && indx == 0)
5442 outrel.r_addend = relocation - dtpoff_base (info);
5444 outrel.r_addend = 0;
5445 outrel.r_info = ELF32_R_INFO (indx, dr_type);
5446 loc = srelgot->contents;
5447 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
5448 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5450 if (r_type == R_SH_TLS_GD_32)
5454 bfd_put_32 (output_bfd,
5455 relocation - dtpoff_base (info),
5456 sgot->contents + off + 4);
5460 outrel.r_info = ELF32_R_INFO (indx,
5462 outrel.r_offset += 4;
5463 outrel.r_addend = 0;
5464 srelgot->reloc_count++;
5465 loc += sizeof (Elf32_External_Rela);
5466 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5473 local_got_offsets[r_symndx] |= 1;
5476 if (off >= (bfd_vma) -2)
5479 if (r_type == (int) ELF32_R_TYPE (rel->r_info))
5480 relocation = sgot->output_offset + off;
5484 unsigned short insn;
5486 /* GD->IE transition:
5487 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
5488 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
5489 1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3:
5491 mov.l 1f,r0; stc gbr,r4; mov.l @(r0,r12),r0; add r4,r0;
5492 nop; nop; bra 3f; nop; .align 2;
5493 1: .long x@TPOFF; 2:...; 3:. */
5495 offset = rel->r_offset;
5496 BFD_ASSERT (offset >= 16);
5497 /* Size of GD instructions is 16 or 18. */
5499 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5500 if ((insn & 0xff00) == 0xc700)
5502 BFD_ASSERT (offset >= 2);
5504 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5507 BFD_ASSERT ((insn & 0xff00) == 0xd400);
5509 /* Replace mov.l 1f,R4 with mov.l 1f,r0. */
5510 bfd_put_16 (output_bfd, insn & 0xf0ff, contents + offset);
5512 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5513 BFD_ASSERT ((insn & 0xff00) == 0xc700);
5514 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5515 BFD_ASSERT ((insn & 0xff00) == 0xd100);
5516 insn = bfd_get_16 (input_bfd, contents + offset + 6);
5517 BFD_ASSERT (insn == 0x310c);
5518 insn = bfd_get_16 (input_bfd, contents + offset + 8);
5519 BFD_ASSERT (insn == 0x410b);
5520 insn = bfd_get_16 (input_bfd, contents + offset + 10);
5521 BFD_ASSERT (insn == 0x34cc);
5523 bfd_put_16 (output_bfd, 0x0412, contents + offset + 2);
5524 bfd_put_16 (output_bfd, 0x00ce, contents + offset + 4);
5525 bfd_put_16 (output_bfd, 0x304c, contents + offset + 6);
5526 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
5527 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
5529 bfd_put_32 (output_bfd, sgot->output_offset + off,
5530 contents + rel->r_offset);
5535 addend = rel->r_addend;
5537 goto final_link_relocate;
5539 case R_SH_TLS_LD_32:
5543 unsigned short insn;
5545 /* LD->LE transition:
5546 mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1;
5547 jsr @r1; add r12,r4; bra 3f; nop; .align 2;
5548 1: .long x$TLSLD; 2: .long __tls_get_addr@PLT; 3:
5550 stc gbr,r0; nop; nop; nop;
5551 nop; nop; bra 3f; ...; 3:. */
5553 offset = rel->r_offset;
5554 BFD_ASSERT (offset >= 16);
5555 /* Size of LD instructions is 16 or 18. */
5557 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5558 if ((insn & 0xff00) == 0xc700)
5560 BFD_ASSERT (offset >= 2);
5562 insn = bfd_get_16 (input_bfd, contents + offset + 0);
5565 BFD_ASSERT ((insn & 0xff00) == 0xd400);
5566 insn = bfd_get_16 (input_bfd, contents + offset + 2);
5567 BFD_ASSERT ((insn & 0xff00) == 0xc700);
5568 insn = bfd_get_16 (input_bfd, contents + offset + 4);
5569 BFD_ASSERT ((insn & 0xff00) == 0xd100);
5570 insn = bfd_get_16 (input_bfd, contents + offset + 6);
5571 BFD_ASSERT (insn == 0x310c);
5572 insn = bfd_get_16 (input_bfd, contents + offset + 8);
5573 BFD_ASSERT (insn == 0x410b);
5574 insn = bfd_get_16 (input_bfd, contents + offset + 10);
5575 BFD_ASSERT (insn == 0x34cc);
5577 bfd_put_16 (output_bfd, 0x0012, contents + offset + 0);
5578 bfd_put_16 (output_bfd, 0x0009, contents + offset + 2);
5579 bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
5580 bfd_put_16 (output_bfd, 0x0009, contents + offset + 6);
5581 bfd_put_16 (output_bfd, 0x0009, contents + offset + 8);
5582 bfd_put_16 (output_bfd, 0x0009, contents + offset + 10);
5591 off = htab->tls_ldm_got.offset;
5596 Elf_Internal_Rela outrel;
5599 srelgot = htab->srelgot;
5600 if (srelgot == NULL)
5603 outrel.r_offset = (sgot->output_section->vma
5604 + sgot->output_offset + off);
5605 outrel.r_addend = 0;
5606 outrel.r_info = ELF32_R_INFO (0, R_SH_TLS_DTPMOD32);
5607 loc = srelgot->contents;
5608 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
5609 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5610 htab->tls_ldm_got.offset |= 1;
5613 relocation = sgot->output_offset + off;
5614 addend = rel->r_addend;
5616 goto final_link_relocate;
5618 case R_SH_TLS_LDO_32:
5620 relocation = tpoff (info, relocation);
5622 relocation -= dtpoff_base (info);
5624 addend = rel->r_addend;
5625 goto final_link_relocate;
5627 case R_SH_TLS_LE_32:
5630 Elf_Internal_Rela outrel;
5635 relocation = tpoff (info, relocation);
5636 addend = rel->r_addend;
5637 goto final_link_relocate;
5644 name = (bfd_elf_string_from_elf_section
5646 elf_elfheader (input_bfd)->e_shstrndx,
5647 elf_section_data (input_section)->rel_hdr.sh_name));
5651 BFD_ASSERT (strncmp (name, ".rela", 5) == 0
5652 && strcmp (bfd_get_section_name (input_bfd,
5656 sreloc = bfd_get_section_by_name (dynobj, name);
5657 BFD_ASSERT (sreloc != NULL);
5660 if (h == NULL || h->dynindx == -1)
5665 outrel.r_offset = (input_section->output_section->vma
5666 + input_section->output_offset
5668 outrel.r_info = ELF32_R_INFO (indx, R_SH_TLS_TPOFF32);
5670 outrel.r_addend = relocation - dtpoff_base (info);
5672 outrel.r_addend = 0;
5674 loc = sreloc->contents;
5675 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
5676 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5682 if (r != bfd_reloc_ok)
5687 case bfd_reloc_outofrange:
5689 case bfd_reloc_overflow:
5697 name = (bfd_elf_string_from_elf_section
5698 (input_bfd, symtab_hdr->sh_link, sym->st_name));
5702 name = bfd_section_name (input_bfd, sec);
5704 if (! ((*info->callbacks->reloc_overflow)
5705 (info, (h ? &h->root : NULL), name, howto->name,
5706 (bfd_vma) 0, input_bfd, input_section,
5718 /* This is a version of bfd_generic_get_relocated_section_contents
5719 which uses sh_elf_relocate_section. */
5722 sh_elf_get_relocated_section_contents (bfd *output_bfd,
5723 struct bfd_link_info *link_info,
5724 struct bfd_link_order *link_order,
5726 bfd_boolean relocatable,
5729 Elf_Internal_Shdr *symtab_hdr;
5730 asection *input_section = link_order->u.indirect.section;
5731 bfd *input_bfd = input_section->owner;
5732 asection **sections = NULL;
5733 Elf_Internal_Rela *internal_relocs = NULL;
5734 Elf_Internal_Sym *isymbuf = NULL;
5736 /* We only need to handle the case of relaxing, or of having a
5737 particular set of section contents, specially. */
5739 || elf_section_data (input_section)->this_hdr.contents == NULL)
5740 return bfd_generic_get_relocated_section_contents (output_bfd, link_info,
5745 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
5747 memcpy (data, elf_section_data (input_section)->this_hdr.contents,
5748 (size_t) input_section->size);
5750 if ((input_section->flags & SEC_RELOC) != 0
5751 && input_section->reloc_count > 0)
5754 Elf_Internal_Sym *isym, *isymend;
5757 internal_relocs = (_bfd_elf_link_read_relocs
5758 (input_bfd, input_section, NULL,
5759 (Elf_Internal_Rela *) NULL, FALSE));
5760 if (internal_relocs == NULL)
5763 if (symtab_hdr->sh_info != 0)
5765 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
5766 if (isymbuf == NULL)
5767 isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
5768 symtab_hdr->sh_info, 0,
5770 if (isymbuf == NULL)
5774 amt = symtab_hdr->sh_info;
5775 amt *= sizeof (asection *);
5776 sections = (asection **) bfd_malloc (amt);
5777 if (sections == NULL && amt != 0)
5780 isymend = isymbuf + symtab_hdr->sh_info;
5781 for (isym = isymbuf, secpp = sections; isym < isymend; ++isym, ++secpp)
5785 if (isym->st_shndx == SHN_UNDEF)
5786 isec = bfd_und_section_ptr;
5787 else if (isym->st_shndx == SHN_ABS)
5788 isec = bfd_abs_section_ptr;
5789 else if (isym->st_shndx == SHN_COMMON)
5790 isec = bfd_com_section_ptr;
5792 isec = bfd_section_from_elf_index (input_bfd, isym->st_shndx);
5797 if (! sh_elf_relocate_section (output_bfd, link_info, input_bfd,
5798 input_section, data, internal_relocs,
5802 if (sections != NULL)
5805 && symtab_hdr->contents != (unsigned char *) isymbuf)
5807 if (elf_section_data (input_section)->relocs != internal_relocs)
5808 free (internal_relocs);
5814 if (sections != NULL)
5817 && symtab_hdr->contents != (unsigned char *) isymbuf)
5819 if (internal_relocs != NULL
5820 && elf_section_data (input_section)->relocs != internal_relocs)
5821 free (internal_relocs);
5825 /* Return the base VMA address which should be subtracted from real addresses
5826 when resolving @dtpoff relocation.
5827 This is PT_TLS segment p_vaddr. */
5830 dtpoff_base (struct bfd_link_info *info)
5832 /* If tls_sec is NULL, we should have signalled an error already. */
5833 if (elf_hash_table (info)->tls_sec == NULL)
5835 return elf_hash_table (info)->tls_sec->vma;
5838 /* Return the relocation value for R_SH_TLS_TPOFF32.. */
5841 tpoff (struct bfd_link_info *info, bfd_vma address)
5843 /* If tls_sec is NULL, we should have signalled an error already. */
5844 if (elf_hash_table (info)->tls_sec == NULL)
5846 /* SH TLS ABI is variant I and static TLS block start just after tcbhead
5847 structure which has 2 pointer fields. */
5848 return (address - elf_hash_table (info)->tls_sec->vma
5849 + align_power ((bfd_vma) 8,
5850 elf_hash_table (info)->tls_sec->alignment_power));
5854 sh_elf_gc_mark_hook (asection *sec,
5855 struct bfd_link_info *info ATTRIBUTE_UNUSED,
5856 Elf_Internal_Rela *rel, struct elf_link_hash_entry *h,
5857 Elf_Internal_Sym *sym)
5861 switch (ELF32_R_TYPE (rel->r_info))
5863 case R_SH_GNU_VTINHERIT:
5864 case R_SH_GNU_VTENTRY:
5868 #ifdef INCLUDE_SHMEDIA
5869 while (h->root.type == bfd_link_hash_indirect
5870 && h->root.u.i.link)
5871 h = (struct elf_link_hash_entry *) h->root.u.i.link;
5873 switch (h->root.type)
5875 case bfd_link_hash_defined:
5876 case bfd_link_hash_defweak:
5877 return h->root.u.def.section;
5879 case bfd_link_hash_common:
5880 return h->root.u.c.p->section;
5888 return bfd_section_from_elf_index (sec->owner, sym->st_shndx);
5893 /* Update the got entry reference counts for the section being removed. */
5896 sh_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
5897 asection *sec, const Elf_Internal_Rela *relocs)
5899 Elf_Internal_Shdr *symtab_hdr;
5900 struct elf_link_hash_entry **sym_hashes;
5901 bfd_signed_vma *local_got_refcounts;
5902 const Elf_Internal_Rela *rel, *relend;
5904 elf_section_data (sec)->local_dynrel = NULL;
5906 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
5907 sym_hashes = elf_sym_hashes (abfd);
5908 local_got_refcounts = elf_local_got_refcounts (abfd);
5910 relend = relocs + sec->reloc_count;
5911 for (rel = relocs; rel < relend; rel++)
5913 unsigned long r_symndx;
5914 unsigned int r_type;
5915 struct elf_link_hash_entry *h = NULL;
5916 #ifdef INCLUDE_SHMEDIA
5917 int seen_stt_datalabel = 0;
5920 r_symndx = ELF32_R_SYM (rel->r_info);
5921 if (r_symndx >= symtab_hdr->sh_info)
5923 struct elf_sh_link_hash_entry *eh;
5924 struct elf_sh_dyn_relocs **pp;
5925 struct elf_sh_dyn_relocs *p;
5927 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
5928 while (h->root.type == bfd_link_hash_indirect
5929 || h->root.type == bfd_link_hash_warning)
5931 #ifdef INCLUDE_SHMEDIA
5932 seen_stt_datalabel |= h->type == STT_DATALABEL;
5934 h = (struct elf_link_hash_entry *) h->root.u.i.link;
5936 eh = (struct elf_sh_link_hash_entry *) h;
5937 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
5940 /* Everything must go for SEC. */
5946 r_type = ELF32_R_TYPE (rel->r_info);
5947 switch (sh_elf_optimized_tls_reloc (info, r_type, h != NULL))
5949 case R_SH_TLS_LD_32:
5950 if (sh_elf_hash_table (info)->tls_ldm_got.refcount > 0)
5951 sh_elf_hash_table (info)->tls_ldm_got.refcount -= 1;
5957 #ifdef INCLUDE_SHMEDIA
5958 case R_SH_GOT_LOW16:
5959 case R_SH_GOT_MEDLOW16:
5960 case R_SH_GOT_MEDHI16:
5964 case R_SH_GOTOFF_LOW16:
5965 case R_SH_GOTOFF_MEDLOW16:
5966 case R_SH_GOTOFF_MEDHI16:
5967 case R_SH_GOTOFF_HI16:
5968 case R_SH_GOTPC_LOW16:
5969 case R_SH_GOTPC_MEDLOW16:
5970 case R_SH_GOTPC_MEDHI16:
5971 case R_SH_GOTPC_HI16:
5973 case R_SH_TLS_GD_32:
5974 case R_SH_TLS_IE_32:
5977 #ifdef INCLUDE_SHMEDIA
5978 if (seen_stt_datalabel)
5980 struct elf_sh_link_hash_entry *eh;
5981 eh = (struct elf_sh_link_hash_entry *) h;
5982 if (eh->datalabel_got.refcount > 0)
5983 eh->datalabel_got.refcount -= 1;
5987 if (h->got.refcount > 0)
5988 h->got.refcount -= 1;
5990 else if (local_got_refcounts != NULL)
5992 #ifdef INCLUDE_SHMEDIA
5993 if (rel->r_addend & 1)
5995 if (local_got_refcounts[symtab_hdr->sh_info + r_symndx] > 0)
5996 local_got_refcounts[symtab_hdr->sh_info + r_symndx] -= 1;
6000 if (local_got_refcounts[r_symndx] > 0)
6001 local_got_refcounts[r_symndx] -= 1;
6012 #ifdef INCLUDE_SHMEDIA
6013 case R_SH_PLT_LOW16:
6014 case R_SH_PLT_MEDLOW16:
6015 case R_SH_PLT_MEDHI16:
6020 if (h->plt.refcount > 0)
6021 h->plt.refcount -= 1;
6026 #ifdef INCLUDE_SHMEDIA
6027 case R_SH_GOTPLT_LOW16:
6028 case R_SH_GOTPLT_MEDLOW16:
6029 case R_SH_GOTPLT_MEDHI16:
6030 case R_SH_GOTPLT_HI16:
6031 case R_SH_GOTPLT10BY4:
6032 case R_SH_GOTPLT10BY8:
6036 struct elf_sh_link_hash_entry *eh;
6037 eh = (struct elf_sh_link_hash_entry *) h;
6038 if (eh->gotplt_refcount > 0)
6040 eh->gotplt_refcount -= 1;
6041 if (h->plt.refcount > 0)
6042 h->plt.refcount -= 1;
6044 #ifdef INCLUDE_SHMEDIA
6045 else if (seen_stt_datalabel)
6047 if (eh->datalabel_got.refcount > 0)
6048 eh->datalabel_got.refcount -= 1;
6051 else if (h->got.refcount > 0)
6052 h->got.refcount -= 1;
6054 else if (local_got_refcounts != NULL)
6056 #ifdef INCLUDE_SHMEDIA
6057 if (rel->r_addend & 1)
6059 if (local_got_refcounts[symtab_hdr->sh_info + r_symndx] > 0)
6060 local_got_refcounts[symtab_hdr->sh_info + r_symndx] -= 1;
6064 if (local_got_refcounts[r_symndx] > 0)
6065 local_got_refcounts[r_symndx] -= 1;
6077 /* Copy the extra info we tack onto an elf_link_hash_entry. */
6080 sh_elf_copy_indirect_symbol (struct bfd_link_info *info,
6081 struct elf_link_hash_entry *dir,
6082 struct elf_link_hash_entry *ind)
6084 struct elf_sh_link_hash_entry *edir, *eind;
6086 edir = (struct elf_sh_link_hash_entry *) dir;
6087 eind = (struct elf_sh_link_hash_entry *) ind;
6089 if (eind->dyn_relocs != NULL)
6091 if (edir->dyn_relocs != NULL)
6093 struct elf_sh_dyn_relocs **pp;
6094 struct elf_sh_dyn_relocs *p;
6096 /* Add reloc counts against the indirect sym to the direct sym
6097 list. Merge any entries against the same section. */
6098 for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
6100 struct elf_sh_dyn_relocs *q;
6102 for (q = edir->dyn_relocs; q != NULL; q = q->next)
6103 if (q->sec == p->sec)
6105 q->pc_count += p->pc_count;
6106 q->count += p->count;
6113 *pp = edir->dyn_relocs;
6116 edir->dyn_relocs = eind->dyn_relocs;
6117 eind->dyn_relocs = NULL;
6119 edir->gotplt_refcount = eind->gotplt_refcount;
6120 eind->gotplt_refcount = 0;
6121 #ifdef INCLUDE_SHMEDIA
6122 edir->datalabel_got.refcount += eind->datalabel_got.refcount;
6123 eind->datalabel_got.refcount = 0;
6126 if (ind->root.type == bfd_link_hash_indirect
6127 && dir->got.refcount <= 0)
6129 edir->tls_type = eind->tls_type;
6130 eind->tls_type = GOT_UNKNOWN;
6133 if (ind->root.type != bfd_link_hash_indirect
6134 && dir->dynamic_adjusted)
6136 /* If called to transfer flags for a weakdef during processing
6137 of elf_adjust_dynamic_symbol, don't copy non_got_ref.
6138 We clear it ourselves for ELIMINATE_COPY_RELOCS. */
6139 dir->ref_dynamic |= ind->ref_dynamic;
6140 dir->ref_regular |= ind->ref_regular;
6141 dir->ref_regular_nonweak |= ind->ref_regular_nonweak;
6142 dir->needs_plt |= ind->needs_plt;
6145 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
6149 sh_elf_optimized_tls_reloc (struct bfd_link_info *info, int r_type,
6157 case R_SH_TLS_GD_32:
6158 case R_SH_TLS_IE_32:
6160 return R_SH_TLS_LE_32;
6161 return R_SH_TLS_IE_32;
6162 case R_SH_TLS_LD_32:
6163 return R_SH_TLS_LE_32;
6169 /* Look through the relocs for a section during the first phase.
6170 Since we don't do .gots or .plts, we just need to consider the
6171 virtual table relocs for gc. */
6174 sh_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec,
6175 const Elf_Internal_Rela *relocs)
6177 Elf_Internal_Shdr *symtab_hdr;
6178 struct elf_link_hash_entry **sym_hashes, **sym_hashes_end;
6179 struct elf_sh_link_hash_table *htab;
6180 const Elf_Internal_Rela *rel;
6181 const Elf_Internal_Rela *rel_end;
6182 bfd_vma *local_got_offsets;
6186 unsigned int r_type;
6187 int tls_type, old_tls_type;
6193 if (info->relocatable)
6196 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
6197 sym_hashes = elf_sym_hashes (abfd);
6198 sym_hashes_end = sym_hashes + symtab_hdr->sh_size/sizeof (Elf32_External_Sym);
6199 if (!elf_bad_symtab (abfd))
6200 sym_hashes_end -= symtab_hdr->sh_info;
6202 htab = sh_elf_hash_table (info);
6203 local_got_offsets = elf_local_got_offsets (abfd);
6205 rel_end = relocs + sec->reloc_count;
6206 for (rel = relocs; rel < rel_end; rel++)
6208 struct elf_link_hash_entry *h;
6209 unsigned long r_symndx;
6210 #ifdef INCLUDE_SHMEDIA
6211 int seen_stt_datalabel = 0;
6214 r_symndx = ELF32_R_SYM (rel->r_info);
6215 r_type = ELF32_R_TYPE (rel->r_info);
6217 if (r_symndx < symtab_hdr->sh_info)
6221 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
6222 while (h->root.type == bfd_link_hash_indirect
6223 || h->root.type == bfd_link_hash_warning)
6225 #ifdef INCLUDE_SHMEDIA
6226 seen_stt_datalabel |= h->type == STT_DATALABEL;
6228 h = (struct elf_link_hash_entry *) h->root.u.i.link;
6232 r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
6234 && r_type == R_SH_TLS_IE_32
6236 && h->root.type != bfd_link_hash_undefined
6237 && h->root.type != bfd_link_hash_undefweak
6238 && (h->dynindx == -1
6240 r_type = R_SH_TLS_LE_32;
6242 /* Some relocs require a global offset table. */
6243 if (htab->sgot == NULL)
6251 #ifdef INCLUDE_SHMEDIA
6252 case R_SH_GOTPLT_LOW16:
6253 case R_SH_GOTPLT_MEDLOW16:
6254 case R_SH_GOTPLT_MEDHI16:
6255 case R_SH_GOTPLT_HI16:
6256 case R_SH_GOTPLT10BY4:
6257 case R_SH_GOTPLT10BY8:
6258 case R_SH_GOT_LOW16:
6259 case R_SH_GOT_MEDLOW16:
6260 case R_SH_GOT_MEDHI16:
6264 case R_SH_GOTOFF_LOW16:
6265 case R_SH_GOTOFF_MEDLOW16:
6266 case R_SH_GOTOFF_MEDHI16:
6267 case R_SH_GOTOFF_HI16:
6268 case R_SH_GOTPC_LOW16:
6269 case R_SH_GOTPC_MEDLOW16:
6270 case R_SH_GOTPC_MEDHI16:
6271 case R_SH_GOTPC_HI16:
6273 case R_SH_TLS_GD_32:
6274 case R_SH_TLS_LD_32:
6275 case R_SH_TLS_IE_32:
6276 if (htab->sgot == NULL)
6278 if (htab->root.dynobj == NULL)
6279 htab->root.dynobj = abfd;
6280 if (!create_got_section (htab->root.dynobj, info))
6292 /* This relocation describes the C++ object vtable hierarchy.
6293 Reconstruct it for later use during GC. */
6294 case R_SH_GNU_VTINHERIT:
6295 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
6299 /* This relocation describes which C++ vtable entries are actually
6300 used. Record for later use during GC. */
6301 case R_SH_GNU_VTENTRY:
6302 if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
6306 case R_SH_TLS_IE_32:
6308 info->flags |= DF_STATIC_TLS;
6312 case R_SH_TLS_GD_32:
6314 #ifdef INCLUDE_SHMEDIA
6315 case R_SH_GOT_LOW16:
6316 case R_SH_GOT_MEDLOW16:
6317 case R_SH_GOT_MEDHI16:
6325 tls_type = GOT_NORMAL;
6327 case R_SH_TLS_GD_32:
6328 tls_type = GOT_TLS_GD;
6330 case R_SH_TLS_IE_32:
6331 tls_type = GOT_TLS_IE;
6337 #ifdef INCLUDE_SHMEDIA
6338 if (seen_stt_datalabel)
6340 struct elf_sh_link_hash_entry *eh
6341 = (struct elf_sh_link_hash_entry *) h;
6343 eh->datalabel_got.refcount += 1;
6347 h->got.refcount += 1;
6348 old_tls_type = sh_elf_hash_entry (h)->tls_type;
6352 bfd_signed_vma *local_got_refcounts;
6354 /* This is a global offset table entry for a local
6356 local_got_refcounts = elf_local_got_refcounts (abfd);
6357 if (local_got_refcounts == NULL)
6361 size = symtab_hdr->sh_info;
6362 size *= sizeof (bfd_signed_vma);
6363 #ifdef INCLUDE_SHMEDIA
6364 /* Reserve space for both the datalabel and
6365 codelabel local GOT offsets. */
6368 size += symtab_hdr->sh_info;
6369 local_got_refcounts = ((bfd_signed_vma *)
6370 bfd_zalloc (abfd, size));
6371 if (local_got_refcounts == NULL)
6373 elf_local_got_refcounts (abfd) = local_got_refcounts;
6374 #ifdef INCLUDE_SHMEDIA
6375 /* Take care of both the datalabel and codelabel local
6377 sh_elf_local_got_tls_type (abfd)
6378 = (char *) (local_got_refcounts + 2 * symtab_hdr->sh_info);
6380 sh_elf_local_got_tls_type (abfd)
6381 = (char *) (local_got_refcounts + symtab_hdr->sh_info);
6384 #ifdef INCLUDE_SHMEDIA
6385 if (rel->r_addend & 1)
6386 local_got_refcounts[symtab_hdr->sh_info + r_symndx] += 1;
6389 local_got_refcounts[r_symndx] += 1;
6390 old_tls_type = sh_elf_local_got_tls_type (abfd) [r_symndx];
6393 /* If a TLS symbol is accessed using IE at least once,
6394 there is no point to use dynamic model for it. */
6395 if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN
6396 && (old_tls_type != GOT_TLS_GD || tls_type != GOT_TLS_IE))
6398 if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
6399 tls_type = GOT_TLS_IE;
6402 (*_bfd_error_handler)
6403 (_("%B: `%s' accessed both as normal and thread local symbol"),
6404 abfd, h->root.root.string);
6409 if (old_tls_type != tls_type)
6412 sh_elf_hash_entry (h)->tls_type = tls_type;
6414 sh_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
6419 case R_SH_TLS_LD_32:
6420 sh_elf_hash_table(info)->tls_ldm_got.refcount += 1;
6424 #ifdef INCLUDE_SHMEDIA
6425 case R_SH_GOTPLT_LOW16:
6426 case R_SH_GOTPLT_MEDLOW16:
6427 case R_SH_GOTPLT_MEDHI16:
6428 case R_SH_GOTPLT_HI16:
6429 case R_SH_GOTPLT10BY4:
6430 case R_SH_GOTPLT10BY8:
6432 /* If this is a local symbol, we resolve it directly without
6433 creating a procedure linkage table entry. */
6439 || h->dynindx == -1)
6443 h->plt.refcount += 1;
6444 ((struct elf_sh_link_hash_entry *) h)->gotplt_refcount += 1;
6449 #ifdef INCLUDE_SHMEDIA
6450 case R_SH_PLT_LOW16:
6451 case R_SH_PLT_MEDLOW16:
6452 case R_SH_PLT_MEDHI16:
6455 /* This symbol requires a procedure linkage table entry. We
6456 actually build the entry in adjust_dynamic_symbol,
6457 because this might be a case of linking PIC code which is
6458 never referenced by a dynamic object, in which case we
6459 don't need to generate a procedure linkage table entry
6462 /* If this is a local symbol, we resolve it directly without
6463 creating a procedure linkage table entry. */
6467 if (h->forced_local)
6471 h->plt.refcount += 1;
6476 #ifdef INCLUDE_SHMEDIA
6477 case R_SH_IMM_LOW16_PCREL:
6478 case R_SH_IMM_MEDLOW16_PCREL:
6479 case R_SH_IMM_MEDHI16_PCREL:
6480 case R_SH_IMM_HI16_PCREL:
6482 if (h != NULL && ! info->shared)
6485 h->plt.refcount += 1;
6488 /* If we are creating a shared library, and this is a reloc
6489 against a global symbol, or a non PC relative reloc
6490 against a local symbol, then we need to copy the reloc
6491 into the shared library. However, if we are linking with
6492 -Bsymbolic, we do not need to copy a reloc against a
6493 global symbol which is defined in an object we are
6494 including in the link (i.e., DEF_REGULAR is set). At
6495 this point we have not seen all the input files, so it is
6496 possible that DEF_REGULAR is not set now but will be set
6497 later (it is never cleared). We account for that
6498 possibility below by storing information in the
6499 dyn_relocs field of the hash table entry. A similar
6500 situation occurs when creating shared libraries and symbol
6501 visibility changes render the symbol local.
6503 If on the other hand, we are creating an executable, we
6504 may need to keep relocations for symbols satisfied by a
6505 dynamic library if we manage to avoid copy relocs for the
6508 && (sec->flags & SEC_ALLOC) != 0
6509 && (r_type != R_SH_REL32
6511 && (! info->symbolic
6512 || h->root.type == bfd_link_hash_defweak
6513 || !h->def_regular))))
6515 && (sec->flags & SEC_ALLOC) != 0
6517 && (h->root.type == bfd_link_hash_defweak
6518 || !h->def_regular)))
6520 struct elf_sh_dyn_relocs *p;
6521 struct elf_sh_dyn_relocs **head;
6523 if (htab->root.dynobj == NULL)
6524 htab->root.dynobj = abfd;
6526 /* When creating a shared object, we must copy these
6527 reloc types into the output file. We create a reloc
6528 section in dynobj and make room for this reloc. */
6533 name = (bfd_elf_string_from_elf_section
6535 elf_elfheader (abfd)->e_shstrndx,
6536 elf_section_data (sec)->rel_hdr.sh_name));
6540 BFD_ASSERT (strncmp (name, ".rela", 5) == 0
6541 && strcmp (bfd_get_section_name (abfd, sec),
6544 sreloc = bfd_get_section_by_name (htab->root.dynobj, name);
6549 flags = (SEC_HAS_CONTENTS | SEC_READONLY
6550 | SEC_IN_MEMORY | SEC_LINKER_CREATED);
6551 if ((sec->flags & SEC_ALLOC) != 0)
6552 flags |= SEC_ALLOC | SEC_LOAD;
6553 sreloc = bfd_make_section_with_flags (htab->root.dynobj,
6557 || ! bfd_set_section_alignment (htab->root.dynobj,
6561 elf_section_data (sec)->sreloc = sreloc;
6564 /* If this is a global symbol, we count the number of
6565 relocations we need for this symbol. */
6567 head = &((struct elf_sh_link_hash_entry *) h)->dyn_relocs;
6573 /* Track dynamic relocs needed for local syms too. */
6574 s = bfd_section_from_r_symndx (abfd, &htab->sym_sec,
6579 vpp = &elf_section_data (s)->local_dynrel;
6580 head = (struct elf_sh_dyn_relocs **) vpp;
6584 if (p == NULL || p->sec != sec)
6586 bfd_size_type amt = sizeof (*p);
6587 p = bfd_alloc (htab->root.dynobj, amt);
6598 if (r_type == R_SH_REL32
6599 #ifdef INCLUDE_SHMEDIA
6600 || r_type == R_SH_IMM_LOW16_PCREL
6601 || r_type == R_SH_IMM_MEDLOW16_PCREL
6602 || r_type == R_SH_IMM_MEDHI16_PCREL
6603 || r_type == R_SH_IMM_HI16_PCREL
6611 case R_SH_TLS_LE_32:
6614 (*_bfd_error_handler)
6615 (_("%B: TLS local exec code cannot be linked into shared objects"),
6622 case R_SH_TLS_LDO_32:
6623 /* Nothing to do. */
6634 #ifndef sh_elf_set_mach_from_flags
6635 static unsigned int sh_ef_bfd_table[] = { EF_SH_BFD_TABLE };
6638 sh_elf_set_mach_from_flags (bfd *abfd)
6640 flagword flags = elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK;
6642 if (flags >= sizeof(sh_ef_bfd_table))
6645 if (sh_ef_bfd_table[flags] == 0)
6648 bfd_default_set_arch_mach (abfd, bfd_arch_sh, sh_ef_bfd_table[flags]);
6654 /* Reverse table lookup for sh_ef_bfd_table[].
6655 Given a bfd MACH value from archures.c
6656 return the equivalent ELF flags from the table.
6657 Return -1 if no match is found. */
6660 sh_elf_get_flags_from_mach (unsigned long mach)
6662 int i = ARRAY_SIZE (sh_ef_bfd_table) - 1;
6665 if (sh_ef_bfd_table[i] == mach)
6668 /* shouldn't get here */
6673 #endif /* not sh_elf_set_mach_from_flags */
6675 #ifndef sh_elf_set_private_flags
6676 /* Function to keep SH specific file flags. */
6679 sh_elf_set_private_flags (bfd *abfd, flagword flags)
6681 BFD_ASSERT (! elf_flags_init (abfd)
6682 || elf_elfheader (abfd)->e_flags == flags);
6684 elf_elfheader (abfd)->e_flags = flags;
6685 elf_flags_init (abfd) = TRUE;
6686 return sh_elf_set_mach_from_flags (abfd);
6688 #endif /* not sh_elf_set_private_flags */
6690 #ifndef sh_elf_copy_private_data
6691 /* Copy backend specific data from one object module to another */
6694 sh_elf_copy_private_data (bfd * ibfd, bfd * obfd)
6696 if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour
6697 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
6700 return sh_elf_set_private_flags (obfd, elf_elfheader (ibfd)->e_flags);
6702 #endif /* not sh_elf_copy_private_data */
6704 #ifndef sh_elf_merge_private_data
6706 /* This function returns the ELF architecture number that
6707 corresponds to the given arch_sh* flags. */
6710 sh_find_elf_flags (unsigned int arch_set)
6712 extern unsigned long sh_get_bfd_mach_from_arch_set (unsigned int);
6713 unsigned long bfd_mach = sh_get_bfd_mach_from_arch_set (arch_set);
6715 return sh_elf_get_flags_from_mach (bfd_mach);
6718 /* This routine initialises the elf flags when required and
6719 calls sh_merge_bfd_arch() to check dsp/fpu compatibility. */
6722 sh_elf_merge_private_data (bfd *ibfd, bfd *obfd)
6724 extern bfd_boolean sh_merge_bfd_arch (bfd *, bfd *);
6726 if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour
6727 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
6730 if (! elf_flags_init (obfd))
6732 /* This happens when ld starts out with a 'blank' output file. */
6733 elf_flags_init (obfd) = TRUE;
6734 elf_elfheader (obfd)->e_flags = EF_SH1;
6735 sh_elf_set_mach_from_flags (obfd);
6738 if (! sh_merge_bfd_arch (ibfd, obfd))
6740 _bfd_error_handler ("%B: uses instructions which are incompatible "
6741 "with instructions used in previous modules",
6743 bfd_set_error (bfd_error_bad_value);
6747 elf_elfheader (obfd)->e_flags =
6748 sh_elf_get_flags_from_mach (bfd_get_mach (obfd));
6752 #endif /* not sh_elf_merge_private_data */
6754 /* Override the generic function because we need to store sh_elf_obj_tdata
6755 as the specific tdata. We set also the machine architecture from flags
6759 sh_elf_object_p (bfd *abfd)
6761 return sh_elf_set_mach_from_flags (abfd);
6764 /* Finish up dynamic symbol handling. We set the contents of various
6765 dynamic sections here. */
6768 sh_elf_finish_dynamic_symbol (bfd *output_bfd, struct bfd_link_info *info,
6769 struct elf_link_hash_entry *h,
6770 Elf_Internal_Sym *sym)
6772 struct elf_sh_link_hash_table *htab;
6774 htab = sh_elf_hash_table (info);
6776 if (h->plt.offset != (bfd_vma) -1)
6784 Elf_Internal_Rela rel;
6787 /* This symbol has an entry in the procedure linkage table. Set
6790 BFD_ASSERT (h->dynindx != -1);
6793 sgot = htab->sgotplt;
6794 srel = htab->srelplt;
6795 BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL);
6797 /* Get the index in the procedure linkage table which
6798 corresponds to this symbol. This is the index of this symbol
6799 in all the symbols for which we are making plt entries. The
6800 first entry in the procedure linkage table is reserved. */
6801 plt_index = h->plt.offset / elf_sh_sizeof_plt (info) - 1;
6803 /* Get the offset into the .got table of the entry that
6804 corresponds to this function. Each .got entry is 4 bytes.
6805 The first three are reserved. */
6806 got_offset = (plt_index + 3) * 4;
6810 got_offset -= GOT_BIAS;
6813 /* Fill in the entry in the procedure linkage table. */
6816 if (elf_sh_plt_entry == NULL)
6818 elf_sh_plt_entry = (bfd_big_endian (output_bfd) ?
6819 elf_sh_plt_entry_be : elf_sh_plt_entry_le);
6821 memcpy (splt->contents + h->plt.offset, elf_sh_plt_entry,
6822 elf_sh_sizeof_plt (info));
6823 #ifdef INCLUDE_SHMEDIA
6824 movi_shori_putval (output_bfd,
6825 (sgot->output_section->vma
6826 + sgot->output_offset
6828 (splt->contents + h->plt.offset
6829 + elf_sh_plt_symbol_offset (info)));
6831 /* Set bottom bit because its for a branch to SHmedia */
6832 movi_shori_putval (output_bfd,
6833 (splt->output_section->vma + splt->output_offset)
6835 (splt->contents + h->plt.offset
6836 + elf_sh_plt_plt0_offset (info)));
6838 bfd_put_32 (output_bfd,
6839 (sgot->output_section->vma
6840 + sgot->output_offset
6842 (splt->contents + h->plt.offset
6843 + elf_sh_plt_symbol_offset (info)));
6845 bfd_put_32 (output_bfd,
6846 (splt->output_section->vma + splt->output_offset),
6847 (splt->contents + h->plt.offset
6848 + elf_sh_plt_plt0_offset (info)));
6853 if (elf_sh_pic_plt_entry == NULL)
6855 elf_sh_pic_plt_entry = (bfd_big_endian (output_bfd) ?
6856 elf_sh_pic_plt_entry_be :
6857 elf_sh_pic_plt_entry_le);
6859 memcpy (splt->contents + h->plt.offset, elf_sh_pic_plt_entry,
6860 elf_sh_sizeof_plt (info));
6861 #ifdef INCLUDE_SHMEDIA
6862 movi_shori_putval (output_bfd, got_offset,
6863 (splt->contents + h->plt.offset
6864 + elf_sh_plt_symbol_offset (info)));
6866 bfd_put_32 (output_bfd, got_offset,
6867 (splt->contents + h->plt.offset
6868 + elf_sh_plt_symbol_offset (info)));
6874 got_offset += GOT_BIAS;
6877 #ifdef INCLUDE_SHMEDIA
6878 movi_shori_putval (output_bfd,
6879 plt_index * sizeof (Elf32_External_Rela),
6880 (splt->contents + h->plt.offset
6881 + elf_sh_plt_reloc_offset (info)));
6883 bfd_put_32 (output_bfd, plt_index * sizeof (Elf32_External_Rela),
6884 (splt->contents + h->plt.offset
6885 + elf_sh_plt_reloc_offset (info)));
6888 /* Fill in the entry in the global offset table. */
6889 bfd_put_32 (output_bfd,
6890 (splt->output_section->vma
6891 + splt->output_offset
6893 + elf_sh_plt_temp_offset (info)),
6894 sgot->contents + got_offset);
6896 /* Fill in the entry in the .rela.plt section. */
6897 rel.r_offset = (sgot->output_section->vma
6898 + sgot->output_offset
6900 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_JMP_SLOT);
6903 rel.r_addend = GOT_BIAS;
6905 loc = srel->contents + plt_index * sizeof (Elf32_External_Rela);
6906 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
6908 if (!h->def_regular)
6910 /* Mark the symbol as undefined, rather than as defined in
6911 the .plt section. Leave the value alone. */
6912 sym->st_shndx = SHN_UNDEF;
6916 if (h->got.offset != (bfd_vma) -1
6917 && sh_elf_hash_entry (h)->tls_type != GOT_TLS_GD
6918 && sh_elf_hash_entry (h)->tls_type != GOT_TLS_IE)
6922 Elf_Internal_Rela rel;
6925 /* This symbol has an entry in the global offset table. Set it
6929 srel = htab->srelgot;
6930 BFD_ASSERT (sgot != NULL && srel != NULL);
6932 rel.r_offset = (sgot->output_section->vma
6933 + sgot->output_offset
6934 + (h->got.offset &~ (bfd_vma) 1));
6936 /* If this is a static link, or it is a -Bsymbolic link and the
6937 symbol is defined locally or was forced to be local because
6938 of a version file, we just want to emit a RELATIVE reloc.
6939 The entry in the global offset table will already have been
6940 initialized in the relocate_section function. */
6942 && SYMBOL_REFERENCES_LOCAL (info, h))
6944 rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
6945 rel.r_addend = (h->root.u.def.value
6946 + h->root.u.def.section->output_section->vma
6947 + h->root.u.def.section->output_offset);
6951 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
6952 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT);
6956 loc = srel->contents;
6957 loc += srel->reloc_count++ * sizeof (Elf32_External_Rela);
6958 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
6961 #ifdef INCLUDE_SHMEDIA
6963 struct elf_sh_link_hash_entry *eh;
6965 eh = (struct elf_sh_link_hash_entry *) h;
6966 if (eh->datalabel_got.offset != (bfd_vma) -1)
6970 Elf_Internal_Rela rel;
6973 /* This symbol has a datalabel entry in the global offset table.
6977 srel = htab->srelgot;
6978 BFD_ASSERT (sgot != NULL && srel != NULL);
6980 rel.r_offset = (sgot->output_section->vma
6981 + sgot->output_offset
6982 + (eh->datalabel_got.offset &~ (bfd_vma) 1));
6984 /* If this is a static link, or it is a -Bsymbolic link and the
6985 symbol is defined locally or was forced to be local because
6986 of a version file, we just want to emit a RELATIVE reloc.
6987 The entry in the global offset table will already have been
6988 initialized in the relocate_section function. */
6990 && SYMBOL_REFERENCES_LOCAL (info, h))
6992 rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE);
6993 rel.r_addend = (h->root.u.def.value
6994 + h->root.u.def.section->output_section->vma
6995 + h->root.u.def.section->output_offset);
6999 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents
7000 + eh->datalabel_got.offset);
7001 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT);
7005 loc = srel->contents;
7006 loc += srel->reloc_count++ * sizeof (Elf32_External_Rela);
7007 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
7015 Elf_Internal_Rela rel;
7018 /* This symbol needs a copy reloc. Set it up. */
7020 BFD_ASSERT (h->dynindx != -1
7021 && (h->root.type == bfd_link_hash_defined
7022 || h->root.type == bfd_link_hash_defweak));
7024 s = bfd_get_section_by_name (h->root.u.def.section->owner,
7026 BFD_ASSERT (s != NULL);
7028 rel.r_offset = (h->root.u.def.value
7029 + h->root.u.def.section->output_section->vma
7030 + h->root.u.def.section->output_offset);
7031 rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_COPY);
7033 loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela);
7034 bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
7037 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */
7038 if (strcmp (h->root.root.string, "_DYNAMIC") == 0
7039 || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
7040 sym->st_shndx = SHN_ABS;
7045 /* Finish up the dynamic sections. */
7048 sh_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
7050 struct elf_sh_link_hash_table *htab;
7054 htab = sh_elf_hash_table (info);
7055 sgot = htab->sgotplt;
7056 sdyn = bfd_get_section_by_name (htab->root.dynobj, ".dynamic");
7058 if (htab->root.dynamic_sections_created)
7061 Elf32_External_Dyn *dyncon, *dynconend;
7063 BFD_ASSERT (sgot != NULL && sdyn != NULL);
7065 dyncon = (Elf32_External_Dyn *) sdyn->contents;
7066 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
7067 for (; dyncon < dynconend; dyncon++)
7069 Elf_Internal_Dyn dyn;
7071 #ifdef INCLUDE_SHMEDIA
7075 bfd_elf32_swap_dyn_in (htab->root.dynobj, dyncon, &dyn);
7082 #ifdef INCLUDE_SHMEDIA
7084 name = info->init_function;
7088 name = info->fini_function;
7090 if (dyn.d_un.d_val != 0)
7092 struct elf_link_hash_entry *h;
7094 h = elf_link_hash_lookup (&htab->root, name,
7095 FALSE, FALSE, TRUE);
7096 if (h != NULL && (h->other & STO_SH5_ISA32))
7098 dyn.d_un.d_val |= 1;
7099 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7106 s = htab->sgot->output_section;
7110 s = htab->srelplt->output_section;
7112 BFD_ASSERT (s != NULL);
7113 dyn.d_un.d_ptr = s->vma;
7114 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7118 s = htab->srelplt->output_section;
7119 BFD_ASSERT (s != NULL);
7120 dyn.d_un.d_val = s->size;
7121 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7125 /* My reading of the SVR4 ABI indicates that the
7126 procedure linkage table relocs (DT_JMPREL) should be
7127 included in the overall relocs (DT_RELA). This is
7128 what Solaris does. However, UnixWare can not handle
7129 that case. Therefore, we override the DT_RELASZ entry
7130 here to make it not include the JMPREL relocs. Since
7131 the linker script arranges for .rela.plt to follow all
7132 other relocation sections, we don't have to worry
7133 about changing the DT_RELA entry. */
7134 if (htab->srelplt != NULL)
7136 s = htab->srelplt->output_section;
7137 dyn.d_un.d_val -= s->size;
7139 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
7144 /* Fill in the first entry in the procedure linkage table. */
7146 if (splt && splt->size > 0)
7150 if (elf_sh_pic_plt_entry == NULL)
7152 elf_sh_pic_plt_entry = (bfd_big_endian (output_bfd) ?
7153 elf_sh_pic_plt_entry_be :
7154 elf_sh_pic_plt_entry_le);
7156 memcpy (splt->contents, elf_sh_pic_plt_entry,
7157 elf_sh_sizeof_plt (info));
7161 if (elf_sh_plt0_entry == NULL)
7163 elf_sh_plt0_entry = (bfd_big_endian (output_bfd) ?
7164 elf_sh_plt0_entry_be :
7165 elf_sh_plt0_entry_le);
7167 memcpy (splt->contents, elf_sh_plt0_entry, PLT_ENTRY_SIZE);
7168 #ifdef INCLUDE_SHMEDIA
7169 movi_shori_putval (output_bfd,
7170 sgot->output_section->vma
7171 + sgot->output_offset,
7173 + elf_sh_plt0_gotplt_offset (info));
7175 bfd_put_32 (output_bfd,
7176 sgot->output_section->vma + sgot->output_offset + 4,
7177 splt->contents + elf_sh_plt0_gotid_offset (info));
7178 bfd_put_32 (output_bfd,
7179 sgot->output_section->vma + sgot->output_offset + 8,
7180 splt->contents + elf_sh_plt0_linker_offset (info));
7184 /* UnixWare sets the entsize of .plt to 4, although that doesn't
7185 really seem like the right value. */
7186 elf_section_data (splt->output_section)->this_hdr.sh_entsize = 4;
7190 /* Fill in the first three entries in the global offset table. */
7191 if (sgot && sgot->size > 0)
7194 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents);
7196 bfd_put_32 (output_bfd,
7197 sdyn->output_section->vma + sdyn->output_offset,
7199 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 4);
7200 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 8);
7202 elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
7208 static enum elf_reloc_type_class
7209 sh_elf_reloc_type_class (const Elf_Internal_Rela *rela)
7211 switch ((int) ELF32_R_TYPE (rela->r_info))
7214 return reloc_class_relative;
7216 return reloc_class_plt;
7218 return reloc_class_copy;
7220 return reloc_class_normal;
7224 #if !defined SH_TARGET_ALREADY_DEFINED
7225 /* Support for Linux core dump NOTE sections. */
7228 elf32_shlin_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
7233 switch (note->descsz)
7238 case 168: /* Linux/SH */
7240 elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12);
7243 elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 24);
7252 /* Make a ".reg/999" section. */
7253 return _bfd_elfcore_make_pseudosection (abfd, ".reg",
7254 size, note->descpos + offset);
7258 elf32_shlin_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
7260 switch (note->descsz)
7265 case 124: /* Linux/SH elf_prpsinfo */
7266 elf_tdata (abfd)->core_program
7267 = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
7268 elf_tdata (abfd)->core_command
7269 = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
7272 /* Note that for some reason, a spurious space is tacked
7273 onto the end of the args in some (at least one anyway)
7274 implementations, so strip it off if it exists. */
7277 char *command = elf_tdata (abfd)->core_command;
7278 int n = strlen (command);
7280 if (0 < n && command[n - 1] == ' ')
7281 command[n - 1] = '\0';
7286 #endif /* not SH_TARGET_ALREADY_DEFINED */
7289 /* Return address for Ith PLT stub in section PLT, for relocation REL
7290 or (bfd_vma) -1 if it should not be included. */
7293 sh_elf_plt_sym_val (bfd_vma i, const asection *plt,
7294 const arelent *rel ATTRIBUTE_UNUSED)
7296 return plt->vma + (i + 1) * PLT_ENTRY_SIZE;
7299 #if !defined SH_TARGET_ALREADY_DEFINED
7300 #define TARGET_BIG_SYM bfd_elf32_sh_vec
7301 #define TARGET_BIG_NAME "elf32-sh"
7302 #define TARGET_LITTLE_SYM bfd_elf32_shl_vec
7303 #define TARGET_LITTLE_NAME "elf32-shl"
7306 #define ELF_ARCH bfd_arch_sh
7307 #define ELF_MACHINE_CODE EM_SH
7308 #ifdef __QNXTARGET__
7309 #define ELF_MAXPAGESIZE 0x1000
7311 #define ELF_MAXPAGESIZE 0x80
7314 #define elf_symbol_leading_char '_'
7316 #define bfd_elf32_bfd_reloc_type_lookup sh_elf_reloc_type_lookup
7317 #define elf_info_to_howto sh_elf_info_to_howto
7318 #define bfd_elf32_bfd_relax_section sh_elf_relax_section
7319 #define elf_backend_relocate_section sh_elf_relocate_section
7320 #define bfd_elf32_bfd_get_relocated_section_contents \
7321 sh_elf_get_relocated_section_contents
7322 #define bfd_elf32_mkobject sh_elf_mkobject
7323 #define elf_backend_object_p sh_elf_object_p
7324 #define bfd_elf32_bfd_set_private_bfd_flags \
7325 sh_elf_set_private_flags
7326 #define bfd_elf32_bfd_copy_private_bfd_data \
7327 sh_elf_copy_private_data
7328 #define bfd_elf32_bfd_merge_private_bfd_data \
7329 sh_elf_merge_private_data
7331 #define elf_backend_gc_mark_hook sh_elf_gc_mark_hook
7332 #define elf_backend_gc_sweep_hook sh_elf_gc_sweep_hook
7333 #define elf_backend_check_relocs sh_elf_check_relocs
7334 #define elf_backend_copy_indirect_symbol \
7335 sh_elf_copy_indirect_symbol
7336 #define elf_backend_create_dynamic_sections \
7337 sh_elf_create_dynamic_sections
7338 #define bfd_elf32_bfd_link_hash_table_create \
7339 sh_elf_link_hash_table_create
7340 #define elf_backend_adjust_dynamic_symbol \
7341 sh_elf_adjust_dynamic_symbol
7342 #define elf_backend_size_dynamic_sections \
7343 sh_elf_size_dynamic_sections
7344 #define elf_backend_finish_dynamic_symbol \
7345 sh_elf_finish_dynamic_symbol
7346 #define elf_backend_finish_dynamic_sections \
7347 sh_elf_finish_dynamic_sections
7348 #define elf_backend_reloc_type_class sh_elf_reloc_type_class
7349 #define elf_backend_plt_sym_val sh_elf_plt_sym_val
7351 #define elf_backend_can_gc_sections 1
7352 #define elf_backend_can_refcount 1
7353 #define elf_backend_want_got_plt 1
7354 #define elf_backend_plt_readonly 1
7355 #define elf_backend_want_plt_sym 0
7356 #define elf_backend_got_header_size 12
7358 #if !defined INCLUDE_SHMEDIA && !defined SH_TARGET_ALREADY_DEFINED
7360 #include "elf32-target.h"
7362 /* NetBSD support. */
7363 #undef TARGET_BIG_SYM
7364 #define TARGET_BIG_SYM bfd_elf32_shnbsd_vec
7365 #undef TARGET_BIG_NAME
7366 #define TARGET_BIG_NAME "elf32-sh-nbsd"
7367 #undef TARGET_LITTLE_SYM
7368 #define TARGET_LITTLE_SYM bfd_elf32_shlnbsd_vec
7369 #undef TARGET_LITTLE_NAME
7370 #define TARGET_LITTLE_NAME "elf32-shl-nbsd"
7371 #undef ELF_MAXPAGESIZE
7372 #define ELF_MAXPAGESIZE 0x10000
7373 #undef elf_symbol_leading_char
7374 #define elf_symbol_leading_char 0
7376 #define elf32_bed elf32_sh_nbsd_bed
7378 #include "elf32-target.h"
7381 /* Linux support. */
7382 #undef TARGET_BIG_SYM
7383 #define TARGET_BIG_SYM bfd_elf32_shblin_vec
7384 #undef TARGET_BIG_NAME
7385 #define TARGET_BIG_NAME "elf32-shbig-linux"
7386 #undef TARGET_LITTLE_SYM
7387 #define TARGET_LITTLE_SYM bfd_elf32_shlin_vec
7388 #undef TARGET_LITTLE_NAME
7389 #define TARGET_LITTLE_NAME "elf32-sh-linux"
7391 #undef elf_backend_grok_prstatus
7392 #define elf_backend_grok_prstatus elf32_shlin_grok_prstatus
7393 #undef elf_backend_grok_psinfo
7394 #define elf_backend_grok_psinfo elf32_shlin_grok_psinfo
7396 #define elf32_bed elf32_sh_lin_bed
7398 #include "elf32-target.h"
7400 #endif /* neither INCLUDE_SHMEDIA nor SH_TARGET_ALREADY_DEFINED */