1 /* PowerPC-specific support for 32-bit ELF
2 Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
3 Free Software Foundation, Inc.
4 Written 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
20 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21 Boston, MA 02111-1307, USA. */
23 /* This file is based on a preliminary PowerPC ELF ABI. The
24 information may not match the final PowerPC ELF ABI. It includes
25 suggestions from the in-progress Embedded PowerPC ABI, and that
26 information may also not match. */
34 #include "elf32-ppc.h"
36 /* RELA relocations are used here. */
38 static bfd_reloc_status_type ppc_elf_addr16_ha_reloc
39 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
40 static bfd_reloc_status_type ppc_elf_unhandled_reloc
41 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
43 /* Branch prediction bit for branch taken relocs. */
44 #define BRANCH_PREDICT_BIT 0x200000
45 /* Mask to set RA in memory instructions. */
46 #define RA_REGISTER_MASK 0x001f0000
47 /* Value to shift register by to insert RA. */
48 #define RA_REGISTER_SHIFT 16
50 /* The name of the dynamic interpreter. This is put in the .interp
52 #define ELF_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
54 /* The size in bytes of an entry in the procedure linkage table. */
55 #define PLT_ENTRY_SIZE 12
56 /* The initial size of the plt reserved for the dynamic linker. */
57 #define PLT_INITIAL_ENTRY_SIZE 72
58 /* The size of the gap between entries in the PLT. */
59 #define PLT_SLOT_SIZE 8
60 /* The number of single-slot PLT entries (the rest use two slots). */
61 #define PLT_NUM_SINGLE_ENTRIES 8192
63 /* Some nop instructions. */
64 #define NOP 0x60000000
65 #define CROR_151515 0x4def7b82
66 #define CROR_313131 0x4ffffb82
68 /* Offset of tp and dtp pointers from start of TLS block. */
69 #define TP_OFFSET 0x7000
70 #define DTP_OFFSET 0x8000
73 /* Enumeration to specify the special section. */
74 enum elf_linker_section_enum
80 /* Sections created by the linker. */
82 typedef struct elf_linker_section
84 /* pointer to the section */
86 /* pointer to the relocations needed for this section */
87 asection *rel_section;
88 /* pointer to the created symbol hash value */
89 struct elf_link_hash_entry *sym_hash;
90 /* offset of symbol from beginning of section */
92 } elf_linker_section_t;
94 /* Linked list of allocated pointer entries. This hangs off of the
95 symbol lists, and provides allows us to return different pointers,
96 based on different addend's. */
98 typedef struct elf_linker_section_pointers
100 /* next allocated pointer for this symbol */
101 struct elf_linker_section_pointers *next;
102 /* offset of pointer from beginning of section */
106 /* which linker section this is */
107 elf_linker_section_t *lsect;
108 /* whether address was written yet */
109 bfd_boolean written_address_p;
110 } elf_linker_section_pointers_t;
112 struct ppc_elf_obj_tdata
114 struct elf_obj_tdata elf;
116 /* A mapping from local symbols to offsets into the various linker
117 sections added. This is index by the symbol index. */
118 elf_linker_section_pointers_t **linker_section_pointers;
121 #define ppc_elf_tdata(bfd) \
122 ((struct ppc_elf_obj_tdata *) (bfd)->tdata.any)
124 #define elf_local_ptr_offsets(bfd) \
125 (ppc_elf_tdata (bfd)->linker_section_pointers)
127 /* Override the generic function because we store some extras. */
130 ppc_elf_mkobject (bfd *abfd)
132 bfd_size_type amt = sizeof (struct ppc_elf_obj_tdata);
133 abfd->tdata.any = bfd_zalloc (abfd, amt);
134 if (abfd->tdata.any == NULL)
139 /* The PPC linker needs to keep track of the number of relocs that it
140 decides to copy as dynamic relocs in check_relocs for each symbol.
141 This is so that it can later discard them if they are found to be
142 unnecessary. We store the information in a field extending the
143 regular ELF linker hash table. */
145 struct ppc_elf_dyn_relocs
147 struct ppc_elf_dyn_relocs *next;
149 /* The input section of the reloc. */
152 /* Total number of relocs copied for the input section. */
155 /* Number of pc-relative relocs copied for the input section. */
156 bfd_size_type pc_count;
159 /* PPC ELF linker hash entry. */
161 struct ppc_elf_link_hash_entry
163 struct elf_link_hash_entry elf;
165 /* If this symbol is used in the linker created sections, the processor
166 specific backend uses this field to map the field into the offset
167 from the beginning of the section. */
168 elf_linker_section_pointers_t *linker_section_pointer;
170 /* Track dynamic relocs copied for this symbol. */
171 struct ppc_elf_dyn_relocs *dyn_relocs;
173 /* Contexts in which symbol is used in the GOT (or TOC).
174 TLS_GD .. TLS_TLS bits are or'd into the mask as the
175 corresponding relocs are encountered during check_relocs.
176 tls_optimize clears TLS_GD .. TLS_TPREL when optimizing to
177 indicate the corresponding GOT entry type is not needed. */
178 #define TLS_GD 1 /* GD reloc. */
179 #define TLS_LD 2 /* LD reloc. */
180 #define TLS_TPREL 4 /* TPREL reloc, => IE. */
181 #define TLS_DTPREL 8 /* DTPREL reloc, => LD. */
182 #define TLS_TLS 16 /* Any TLS reloc. */
183 #define TLS_TPRELGD 32 /* TPREL reloc resulting from GD->IE. */
187 #define ppc_elf_hash_entry(ent) ((struct ppc_elf_link_hash_entry *) (ent))
189 /* PPC ELF linker hash table. */
191 struct ppc_elf_link_hash_table
193 struct elf_link_hash_table elf;
195 /* Short-cuts to get to dynamic linker sections. */
204 elf_linker_section_t *sdata;
205 elf_linker_section_t *sdata2;
208 /* Short-cut to first output tls section. */
211 /* Shortcut to .__tls_get_addr. */
212 struct elf_link_hash_entry *tls_get_addr;
214 /* TLS local dynamic got entry handling. */
216 bfd_signed_vma refcount;
220 /* Small local sym to section mapping cache. */
221 struct sym_sec_cache sym_sec;
224 /* Get the PPC ELF linker hash table from a link_info structure. */
226 #define ppc_elf_hash_table(p) \
227 ((struct ppc_elf_link_hash_table *) (p)->hash)
229 /* Create an entry in a PPC ELF linker hash table. */
231 static struct bfd_hash_entry *
232 ppc_elf_link_hash_newfunc (struct bfd_hash_entry *entry,
233 struct bfd_hash_table *table,
236 /* Allocate the structure if it has not already been allocated by a
240 entry = bfd_hash_allocate (table,
241 sizeof (struct ppc_elf_link_hash_entry));
246 /* Call the allocation method of the superclass. */
247 entry = _bfd_elf_link_hash_newfunc (entry, table, string);
250 ppc_elf_hash_entry (entry)->linker_section_pointer = NULL;
251 ppc_elf_hash_entry (entry)->dyn_relocs = NULL;
252 ppc_elf_hash_entry (entry)->tls_mask = 0;
258 /* Create a PPC ELF linker hash table. */
260 static struct bfd_link_hash_table *
261 ppc_elf_link_hash_table_create (bfd *abfd)
263 struct ppc_elf_link_hash_table *ret;
265 ret = bfd_zmalloc (sizeof (struct ppc_elf_link_hash_table));
269 if (! _bfd_elf_link_hash_table_init (&ret->elf, abfd,
270 ppc_elf_link_hash_newfunc))
276 return &ret->elf.root;
279 /* If ELIMINATE_COPY_RELOCS is non-zero, the linker will try to avoid
280 copying dynamic variables from a shared lib into an app's dynbss
281 section, and instead use a dynamic relocation to point into the
283 #define ELIMINATE_COPY_RELOCS 1
285 /* Copy the extra info we tack onto an elf_link_hash_entry. */
288 ppc_elf_copy_indirect_symbol (struct elf_backend_data *bed,
289 struct elf_link_hash_entry *dir,
290 struct elf_link_hash_entry *ind)
292 struct ppc_elf_link_hash_entry *edir, *eind;
294 edir = (struct ppc_elf_link_hash_entry *) dir;
295 eind = (struct ppc_elf_link_hash_entry *) ind;
297 if (eind->dyn_relocs != NULL)
299 if (edir->dyn_relocs != NULL)
301 struct ppc_elf_dyn_relocs **pp;
302 struct ppc_elf_dyn_relocs *p;
304 if (ind->root.type == bfd_link_hash_indirect)
307 /* Add reloc counts against the weak sym to the strong sym
308 list. Merge any entries against the same section. */
309 for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
311 struct ppc_elf_dyn_relocs *q;
313 for (q = edir->dyn_relocs; q != NULL; q = q->next)
314 if (q->sec == p->sec)
316 q->pc_count += p->pc_count;
317 q->count += p->count;
324 *pp = edir->dyn_relocs;
327 edir->dyn_relocs = eind->dyn_relocs;
328 eind->dyn_relocs = NULL;
331 edir->tls_mask |= eind->tls_mask;
333 if (ELIMINATE_COPY_RELOCS
334 && ind->root.type != bfd_link_hash_indirect
335 && (dir->elf_link_hash_flags & ELF_LINK_HASH_DYNAMIC_ADJUSTED) != 0)
336 /* If called to transfer flags for a weakdef during processing
337 of elf_adjust_dynamic_symbol, don't copy ELF_LINK_NON_GOT_REF.
338 We clear it ourselves for ELIMINATE_COPY_RELOCS. */
339 dir->elf_link_hash_flags |=
340 (ind->elf_link_hash_flags & (ELF_LINK_HASH_REF_DYNAMIC
341 | ELF_LINK_HASH_REF_REGULAR
342 | ELF_LINK_HASH_REF_REGULAR_NONWEAK));
344 _bfd_elf_link_hash_copy_indirect (bed, dir, ind);
347 static reloc_howto_type *ppc_elf_howto_table[R_PPC_max];
349 static reloc_howto_type ppc_elf_howto_raw[] = {
350 /* This reloc does nothing. */
351 HOWTO (R_PPC_NONE, /* type */
353 2, /* size (0 = byte, 1 = short, 2 = long) */
355 FALSE, /* pc_relative */
357 complain_overflow_bitfield, /* complain_on_overflow */
358 bfd_elf_generic_reloc, /* special_function */
359 "R_PPC_NONE", /* name */
360 FALSE, /* partial_inplace */
363 FALSE), /* pcrel_offset */
365 /* A standard 32 bit relocation. */
366 HOWTO (R_PPC_ADDR32, /* type */
368 2, /* size (0 = byte, 1 = short, 2 = long) */
370 FALSE, /* pc_relative */
372 complain_overflow_bitfield, /* complain_on_overflow */
373 bfd_elf_generic_reloc, /* special_function */
374 "R_PPC_ADDR32", /* name */
375 FALSE, /* partial_inplace */
377 0xffffffff, /* dst_mask */
378 FALSE), /* pcrel_offset */
380 /* An absolute 26 bit branch; the lower two bits must be zero.
381 FIXME: we don't check that, we just clear them. */
382 HOWTO (R_PPC_ADDR24, /* type */
384 2, /* size (0 = byte, 1 = short, 2 = long) */
386 FALSE, /* pc_relative */
388 complain_overflow_bitfield, /* complain_on_overflow */
389 bfd_elf_generic_reloc, /* special_function */
390 "R_PPC_ADDR24", /* name */
391 FALSE, /* partial_inplace */
393 0x3fffffc, /* dst_mask */
394 FALSE), /* pcrel_offset */
396 /* A standard 16 bit relocation. */
397 HOWTO (R_PPC_ADDR16, /* type */
399 1, /* size (0 = byte, 1 = short, 2 = long) */
401 FALSE, /* pc_relative */
403 complain_overflow_bitfield, /* complain_on_overflow */
404 bfd_elf_generic_reloc, /* special_function */
405 "R_PPC_ADDR16", /* name */
406 FALSE, /* partial_inplace */
408 0xffff, /* dst_mask */
409 FALSE), /* pcrel_offset */
411 /* A 16 bit relocation without overflow. */
412 HOWTO (R_PPC_ADDR16_LO, /* type */
414 1, /* size (0 = byte, 1 = short, 2 = long) */
416 FALSE, /* pc_relative */
418 complain_overflow_dont,/* complain_on_overflow */
419 bfd_elf_generic_reloc, /* special_function */
420 "R_PPC_ADDR16_LO", /* name */
421 FALSE, /* partial_inplace */
423 0xffff, /* dst_mask */
424 FALSE), /* pcrel_offset */
426 /* The high order 16 bits of an address. */
427 HOWTO (R_PPC_ADDR16_HI, /* type */
429 1, /* size (0 = byte, 1 = short, 2 = long) */
431 FALSE, /* pc_relative */
433 complain_overflow_dont, /* complain_on_overflow */
434 bfd_elf_generic_reloc, /* special_function */
435 "R_PPC_ADDR16_HI", /* name */
436 FALSE, /* partial_inplace */
438 0xffff, /* dst_mask */
439 FALSE), /* pcrel_offset */
441 /* The high order 16 bits of an address, plus 1 if the contents of
442 the low 16 bits, treated as a signed number, is negative. */
443 HOWTO (R_PPC_ADDR16_HA, /* type */
445 1, /* size (0 = byte, 1 = short, 2 = long) */
447 FALSE, /* pc_relative */
449 complain_overflow_dont, /* complain_on_overflow */
450 ppc_elf_addr16_ha_reloc, /* special_function */
451 "R_PPC_ADDR16_HA", /* name */
452 FALSE, /* partial_inplace */
454 0xffff, /* dst_mask */
455 FALSE), /* pcrel_offset */
457 /* An absolute 16 bit branch; the lower two bits must be zero.
458 FIXME: we don't check that, we just clear them. */
459 HOWTO (R_PPC_ADDR14, /* type */
461 2, /* size (0 = byte, 1 = short, 2 = long) */
463 FALSE, /* pc_relative */
465 complain_overflow_bitfield, /* complain_on_overflow */
466 bfd_elf_generic_reloc, /* special_function */
467 "R_PPC_ADDR14", /* name */
468 FALSE, /* partial_inplace */
470 0xfffc, /* dst_mask */
471 FALSE), /* pcrel_offset */
473 /* An absolute 16 bit branch, for which bit 10 should be set to
474 indicate that the branch is expected to be taken. The lower two
475 bits must be zero. */
476 HOWTO (R_PPC_ADDR14_BRTAKEN, /* type */
478 2, /* size (0 = byte, 1 = short, 2 = long) */
480 FALSE, /* pc_relative */
482 complain_overflow_bitfield, /* complain_on_overflow */
483 bfd_elf_generic_reloc, /* special_function */
484 "R_PPC_ADDR14_BRTAKEN",/* name */
485 FALSE, /* partial_inplace */
487 0xfffc, /* dst_mask */
488 FALSE), /* pcrel_offset */
490 /* An absolute 16 bit branch, for which bit 10 should be set to
491 indicate that the branch is not expected to be taken. The lower
492 two bits must be zero. */
493 HOWTO (R_PPC_ADDR14_BRNTAKEN, /* type */
495 2, /* size (0 = byte, 1 = short, 2 = long) */
497 FALSE, /* pc_relative */
499 complain_overflow_bitfield, /* complain_on_overflow */
500 bfd_elf_generic_reloc, /* special_function */
501 "R_PPC_ADDR14_BRNTAKEN",/* name */
502 FALSE, /* partial_inplace */
504 0xfffc, /* dst_mask */
505 FALSE), /* pcrel_offset */
507 /* A relative 26 bit branch; the lower two bits must be zero. */
508 HOWTO (R_PPC_REL24, /* type */
510 2, /* size (0 = byte, 1 = short, 2 = long) */
512 TRUE, /* pc_relative */
514 complain_overflow_signed, /* complain_on_overflow */
515 bfd_elf_generic_reloc, /* special_function */
516 "R_PPC_REL24", /* name */
517 FALSE, /* partial_inplace */
519 0x3fffffc, /* dst_mask */
520 TRUE), /* pcrel_offset */
522 /* A relative 16 bit branch; the lower two bits must be zero. */
523 HOWTO (R_PPC_REL14, /* type */
525 2, /* size (0 = byte, 1 = short, 2 = long) */
527 TRUE, /* pc_relative */
529 complain_overflow_signed, /* complain_on_overflow */
530 bfd_elf_generic_reloc, /* special_function */
531 "R_PPC_REL14", /* name */
532 FALSE, /* partial_inplace */
534 0xfffc, /* dst_mask */
535 TRUE), /* pcrel_offset */
537 /* A relative 16 bit branch. Bit 10 should be set to indicate that
538 the branch is expected to be taken. The lower two bits must be
540 HOWTO (R_PPC_REL14_BRTAKEN, /* type */
542 2, /* size (0 = byte, 1 = short, 2 = long) */
544 TRUE, /* pc_relative */
546 complain_overflow_signed, /* complain_on_overflow */
547 bfd_elf_generic_reloc, /* special_function */
548 "R_PPC_REL14_BRTAKEN", /* name */
549 FALSE, /* partial_inplace */
551 0xfffc, /* dst_mask */
552 TRUE), /* pcrel_offset */
554 /* A relative 16 bit branch. Bit 10 should be set to indicate that
555 the branch is not expected to be taken. The lower two bits must
557 HOWTO (R_PPC_REL14_BRNTAKEN, /* type */
559 2, /* size (0 = byte, 1 = short, 2 = long) */
561 TRUE, /* pc_relative */
563 complain_overflow_signed, /* complain_on_overflow */
564 bfd_elf_generic_reloc, /* special_function */
565 "R_PPC_REL14_BRNTAKEN",/* name */
566 FALSE, /* partial_inplace */
568 0xfffc, /* dst_mask */
569 TRUE), /* pcrel_offset */
571 /* Like R_PPC_ADDR16, but referring to the GOT table entry for the
573 HOWTO (R_PPC_GOT16, /* type */
575 1, /* size (0 = byte, 1 = short, 2 = long) */
577 FALSE, /* pc_relative */
579 complain_overflow_signed, /* complain_on_overflow */
580 bfd_elf_generic_reloc, /* special_function */
581 "R_PPC_GOT16", /* name */
582 FALSE, /* partial_inplace */
584 0xffff, /* dst_mask */
585 FALSE), /* pcrel_offset */
587 /* Like R_PPC_ADDR16_LO, but referring to the GOT table entry for
589 HOWTO (R_PPC_GOT16_LO, /* type */
591 1, /* size (0 = byte, 1 = short, 2 = long) */
593 FALSE, /* pc_relative */
595 complain_overflow_dont, /* complain_on_overflow */
596 bfd_elf_generic_reloc, /* special_function */
597 "R_PPC_GOT16_LO", /* name */
598 FALSE, /* partial_inplace */
600 0xffff, /* dst_mask */
601 FALSE), /* pcrel_offset */
603 /* Like R_PPC_ADDR16_HI, but referring to the GOT table entry for
605 HOWTO (R_PPC_GOT16_HI, /* type */
607 1, /* size (0 = byte, 1 = short, 2 = long) */
609 FALSE, /* pc_relative */
611 complain_overflow_bitfield, /* complain_on_overflow */
612 bfd_elf_generic_reloc, /* special_function */
613 "R_PPC_GOT16_HI", /* name */
614 FALSE, /* partial_inplace */
616 0xffff, /* dst_mask */
617 FALSE), /* pcrel_offset */
619 /* Like R_PPC_ADDR16_HA, but referring to the GOT table entry for
621 HOWTO (R_PPC_GOT16_HA, /* type */
623 1, /* size (0 = byte, 1 = short, 2 = long) */
625 FALSE, /* pc_relative */
627 complain_overflow_bitfield, /* complain_on_overflow */
628 ppc_elf_addr16_ha_reloc, /* special_function */
629 "R_PPC_GOT16_HA", /* name */
630 FALSE, /* partial_inplace */
632 0xffff, /* dst_mask */
633 FALSE), /* pcrel_offset */
635 /* Like R_PPC_REL24, but referring to the procedure linkage table
636 entry for the symbol. */
637 HOWTO (R_PPC_PLTREL24, /* type */
639 2, /* size (0 = byte, 1 = short, 2 = long) */
641 TRUE, /* pc_relative */
643 complain_overflow_signed, /* complain_on_overflow */
644 bfd_elf_generic_reloc, /* special_function */
645 "R_PPC_PLTREL24", /* name */
646 FALSE, /* partial_inplace */
648 0x3fffffc, /* dst_mask */
649 TRUE), /* pcrel_offset */
651 /* This is used only by the dynamic linker. The symbol should exist
652 both in the object being run and in some shared library. The
653 dynamic linker copies the data addressed by the symbol from the
654 shared library into the object, because the object being
655 run has to have the data at some particular address. */
656 HOWTO (R_PPC_COPY, /* type */
658 2, /* size (0 = byte, 1 = short, 2 = long) */
660 FALSE, /* pc_relative */
662 complain_overflow_bitfield, /* complain_on_overflow */
663 bfd_elf_generic_reloc, /* special_function */
664 "R_PPC_COPY", /* name */
665 FALSE, /* partial_inplace */
668 FALSE), /* pcrel_offset */
670 /* Like R_PPC_ADDR32, but used when setting global offset table
672 HOWTO (R_PPC_GLOB_DAT, /* type */
674 2, /* size (0 = byte, 1 = short, 2 = long) */
676 FALSE, /* pc_relative */
678 complain_overflow_bitfield, /* complain_on_overflow */
679 bfd_elf_generic_reloc, /* special_function */
680 "R_PPC_GLOB_DAT", /* name */
681 FALSE, /* partial_inplace */
683 0xffffffff, /* dst_mask */
684 FALSE), /* pcrel_offset */
686 /* Marks a procedure linkage table entry for a symbol. */
687 HOWTO (R_PPC_JMP_SLOT, /* type */
689 2, /* size (0 = byte, 1 = short, 2 = long) */
691 FALSE, /* pc_relative */
693 complain_overflow_bitfield, /* complain_on_overflow */
694 bfd_elf_generic_reloc, /* special_function */
695 "R_PPC_JMP_SLOT", /* name */
696 FALSE, /* partial_inplace */
699 FALSE), /* pcrel_offset */
701 /* Used only by the dynamic linker. When the object is run, this
702 longword is set to the load address of the object, plus the
704 HOWTO (R_PPC_RELATIVE, /* type */
706 2, /* size (0 = byte, 1 = short, 2 = long) */
708 FALSE, /* pc_relative */
710 complain_overflow_bitfield, /* complain_on_overflow */
711 bfd_elf_generic_reloc, /* special_function */
712 "R_PPC_RELATIVE", /* name */
713 FALSE, /* partial_inplace */
715 0xffffffff, /* dst_mask */
716 FALSE), /* pcrel_offset */
718 /* Like R_PPC_REL24, but uses the value of the symbol within the
719 object rather than the final value. Normally used for
720 _GLOBAL_OFFSET_TABLE_. */
721 HOWTO (R_PPC_LOCAL24PC, /* type */
723 2, /* size (0 = byte, 1 = short, 2 = long) */
725 TRUE, /* pc_relative */
727 complain_overflow_signed, /* complain_on_overflow */
728 bfd_elf_generic_reloc, /* special_function */
729 "R_PPC_LOCAL24PC", /* name */
730 FALSE, /* partial_inplace */
732 0x3fffffc, /* dst_mask */
733 TRUE), /* pcrel_offset */
735 /* Like R_PPC_ADDR32, but may be unaligned. */
736 HOWTO (R_PPC_UADDR32, /* type */
738 2, /* size (0 = byte, 1 = short, 2 = long) */
740 FALSE, /* pc_relative */
742 complain_overflow_bitfield, /* complain_on_overflow */
743 bfd_elf_generic_reloc, /* special_function */
744 "R_PPC_UADDR32", /* name */
745 FALSE, /* partial_inplace */
747 0xffffffff, /* dst_mask */
748 FALSE), /* pcrel_offset */
750 /* Like R_PPC_ADDR16, but may be unaligned. */
751 HOWTO (R_PPC_UADDR16, /* type */
753 1, /* size (0 = byte, 1 = short, 2 = long) */
755 FALSE, /* pc_relative */
757 complain_overflow_bitfield, /* complain_on_overflow */
758 bfd_elf_generic_reloc, /* special_function */
759 "R_PPC_UADDR16", /* name */
760 FALSE, /* partial_inplace */
762 0xffff, /* dst_mask */
763 FALSE), /* pcrel_offset */
765 /* 32-bit PC relative */
766 HOWTO (R_PPC_REL32, /* type */
768 2, /* size (0 = byte, 1 = short, 2 = long) */
770 TRUE, /* pc_relative */
772 complain_overflow_bitfield, /* complain_on_overflow */
773 bfd_elf_generic_reloc, /* special_function */
774 "R_PPC_REL32", /* name */
775 FALSE, /* partial_inplace */
777 0xffffffff, /* dst_mask */
778 TRUE), /* pcrel_offset */
780 /* 32-bit relocation to the symbol's procedure linkage table.
781 FIXME: not supported. */
782 HOWTO (R_PPC_PLT32, /* type */
784 2, /* size (0 = byte, 1 = short, 2 = long) */
786 FALSE, /* pc_relative */
788 complain_overflow_bitfield, /* complain_on_overflow */
789 bfd_elf_generic_reloc, /* special_function */
790 "R_PPC_PLT32", /* name */
791 FALSE, /* partial_inplace */
794 FALSE), /* pcrel_offset */
796 /* 32-bit PC relative relocation to the symbol's procedure linkage table.
797 FIXME: not supported. */
798 HOWTO (R_PPC_PLTREL32, /* type */
800 2, /* size (0 = byte, 1 = short, 2 = long) */
802 TRUE, /* pc_relative */
804 complain_overflow_bitfield, /* complain_on_overflow */
805 bfd_elf_generic_reloc, /* special_function */
806 "R_PPC_PLTREL32", /* name */
807 FALSE, /* partial_inplace */
810 TRUE), /* pcrel_offset */
812 /* Like R_PPC_ADDR16_LO, but referring to the PLT table entry for
814 HOWTO (R_PPC_PLT16_LO, /* type */
816 1, /* size (0 = byte, 1 = short, 2 = long) */
818 FALSE, /* pc_relative */
820 complain_overflow_dont, /* complain_on_overflow */
821 bfd_elf_generic_reloc, /* special_function */
822 "R_PPC_PLT16_LO", /* name */
823 FALSE, /* partial_inplace */
825 0xffff, /* dst_mask */
826 FALSE), /* pcrel_offset */
828 /* Like R_PPC_ADDR16_HI, but referring to the PLT table entry for
830 HOWTO (R_PPC_PLT16_HI, /* type */
832 1, /* size (0 = byte, 1 = short, 2 = long) */
834 FALSE, /* pc_relative */
836 complain_overflow_bitfield, /* complain_on_overflow */
837 bfd_elf_generic_reloc, /* special_function */
838 "R_PPC_PLT16_HI", /* name */
839 FALSE, /* partial_inplace */
841 0xffff, /* dst_mask */
842 FALSE), /* pcrel_offset */
844 /* Like R_PPC_ADDR16_HA, but referring to the PLT table entry for
846 HOWTO (R_PPC_PLT16_HA, /* type */
848 1, /* size (0 = byte, 1 = short, 2 = long) */
850 FALSE, /* pc_relative */
852 complain_overflow_bitfield, /* complain_on_overflow */
853 ppc_elf_addr16_ha_reloc, /* special_function */
854 "R_PPC_PLT16_HA", /* name */
855 FALSE, /* partial_inplace */
857 0xffff, /* dst_mask */
858 FALSE), /* pcrel_offset */
860 /* A sign-extended 16 bit value relative to _SDA_BASE_, for use with
862 HOWTO (R_PPC_SDAREL16, /* type */
864 1, /* size (0 = byte, 1 = short, 2 = long) */
866 FALSE, /* pc_relative */
868 complain_overflow_signed, /* complain_on_overflow */
869 bfd_elf_generic_reloc, /* special_function */
870 "R_PPC_SDAREL16", /* name */
871 FALSE, /* partial_inplace */
873 0xffff, /* dst_mask */
874 FALSE), /* pcrel_offset */
876 /* 16-bit section relative relocation. */
877 HOWTO (R_PPC_SECTOFF, /* type */
879 1, /* size (0 = byte, 1 = short, 2 = long) */
881 FALSE, /* pc_relative */
883 complain_overflow_bitfield, /* complain_on_overflow */
884 bfd_elf_generic_reloc, /* special_function */
885 "R_PPC_SECTOFF", /* name */
886 FALSE, /* partial_inplace */
888 0xffff, /* dst_mask */
889 FALSE), /* pcrel_offset */
891 /* 16-bit lower half section relative relocation. */
892 HOWTO (R_PPC_SECTOFF_LO, /* type */
894 1, /* size (0 = byte, 1 = short, 2 = long) */
896 FALSE, /* pc_relative */
898 complain_overflow_dont, /* complain_on_overflow */
899 bfd_elf_generic_reloc, /* special_function */
900 "R_PPC_SECTOFF_LO", /* name */
901 FALSE, /* partial_inplace */
903 0xffff, /* dst_mask */
904 FALSE), /* pcrel_offset */
906 /* 16-bit upper half section relative relocation. */
907 HOWTO (R_PPC_SECTOFF_HI, /* type */
909 1, /* size (0 = byte, 1 = short, 2 = long) */
911 FALSE, /* pc_relative */
913 complain_overflow_bitfield, /* complain_on_overflow */
914 bfd_elf_generic_reloc, /* special_function */
915 "R_PPC_SECTOFF_HI", /* name */
916 FALSE, /* partial_inplace */
918 0xffff, /* dst_mask */
919 FALSE), /* pcrel_offset */
921 /* 16-bit upper half adjusted section relative relocation. */
922 HOWTO (R_PPC_SECTOFF_HA, /* type */
924 1, /* size (0 = byte, 1 = short, 2 = long) */
926 FALSE, /* pc_relative */
928 complain_overflow_bitfield, /* complain_on_overflow */
929 ppc_elf_addr16_ha_reloc, /* special_function */
930 "R_PPC_SECTOFF_HA", /* name */
931 FALSE, /* partial_inplace */
933 0xffff, /* dst_mask */
934 FALSE), /* pcrel_offset */
936 /* Marker reloc for TLS. */
939 2, /* size (0 = byte, 1 = short, 2 = long) */
941 FALSE, /* pc_relative */
943 complain_overflow_dont, /* complain_on_overflow */
944 bfd_elf_generic_reloc, /* special_function */
945 "R_PPC_TLS", /* name */
946 FALSE, /* partial_inplace */
949 FALSE), /* pcrel_offset */
951 /* Computes the load module index of the load module that contains the
952 definition of its TLS sym. */
953 HOWTO (R_PPC_DTPMOD32,
955 2, /* size (0 = byte, 1 = short, 2 = long) */
957 FALSE, /* pc_relative */
959 complain_overflow_dont, /* complain_on_overflow */
960 ppc_elf_unhandled_reloc, /* special_function */
961 "R_PPC_DTPMOD32", /* name */
962 FALSE, /* partial_inplace */
964 0xffffffff, /* dst_mask */
965 FALSE), /* pcrel_offset */
967 /* Computes a dtv-relative displacement, the difference between the value
968 of sym+add and the base address of the thread-local storage block that
969 contains the definition of sym, minus 0x8000. */
970 HOWTO (R_PPC_DTPREL32,
972 2, /* size (0 = byte, 1 = short, 2 = long) */
974 FALSE, /* pc_relative */
976 complain_overflow_dont, /* complain_on_overflow */
977 ppc_elf_unhandled_reloc, /* special_function */
978 "R_PPC_DTPREL32", /* name */
979 FALSE, /* partial_inplace */
981 0xffffffff, /* dst_mask */
982 FALSE), /* pcrel_offset */
984 /* A 16 bit dtprel reloc. */
985 HOWTO (R_PPC_DTPREL16,
987 1, /* size (0 = byte, 1 = short, 2 = long) */
989 FALSE, /* pc_relative */
991 complain_overflow_signed, /* complain_on_overflow */
992 ppc_elf_unhandled_reloc, /* special_function */
993 "R_PPC_DTPREL16", /* name */
994 FALSE, /* partial_inplace */
996 0xffff, /* dst_mask */
997 FALSE), /* pcrel_offset */
999 /* Like DTPREL16, but no overflow. */
1000 HOWTO (R_PPC_DTPREL16_LO,
1002 1, /* size (0 = byte, 1 = short, 2 = long) */
1004 FALSE, /* pc_relative */
1006 complain_overflow_dont, /* complain_on_overflow */
1007 ppc_elf_unhandled_reloc, /* special_function */
1008 "R_PPC_DTPREL16_LO", /* name */
1009 FALSE, /* partial_inplace */
1011 0xffff, /* dst_mask */
1012 FALSE), /* pcrel_offset */
1014 /* Like DTPREL16_LO, but next higher group of 16 bits. */
1015 HOWTO (R_PPC_DTPREL16_HI,
1016 16, /* rightshift */
1017 1, /* size (0 = byte, 1 = short, 2 = long) */
1019 FALSE, /* pc_relative */
1021 complain_overflow_dont, /* complain_on_overflow */
1022 ppc_elf_unhandled_reloc, /* special_function */
1023 "R_PPC_DTPREL16_HI", /* name */
1024 FALSE, /* partial_inplace */
1026 0xffff, /* dst_mask */
1027 FALSE), /* pcrel_offset */
1029 /* Like DTPREL16_HI, but adjust for low 16 bits. */
1030 HOWTO (R_PPC_DTPREL16_HA,
1031 16, /* rightshift */
1032 1, /* size (0 = byte, 1 = short, 2 = long) */
1034 FALSE, /* pc_relative */
1036 complain_overflow_dont, /* complain_on_overflow */
1037 ppc_elf_unhandled_reloc, /* special_function */
1038 "R_PPC_DTPREL16_HA", /* name */
1039 FALSE, /* partial_inplace */
1041 0xffff, /* dst_mask */
1042 FALSE), /* pcrel_offset */
1044 /* Computes a tp-relative displacement, the difference between the value of
1045 sym+add and the value of the thread pointer (r13). */
1046 HOWTO (R_PPC_TPREL32,
1048 2, /* size (0 = byte, 1 = short, 2 = long) */
1050 FALSE, /* pc_relative */
1052 complain_overflow_dont, /* complain_on_overflow */
1053 ppc_elf_unhandled_reloc, /* special_function */
1054 "R_PPC_TPREL32", /* name */
1055 FALSE, /* partial_inplace */
1057 0xffffffff, /* dst_mask */
1058 FALSE), /* pcrel_offset */
1060 /* A 16 bit tprel reloc. */
1061 HOWTO (R_PPC_TPREL16,
1063 1, /* size (0 = byte, 1 = short, 2 = long) */
1065 FALSE, /* pc_relative */
1067 complain_overflow_signed, /* complain_on_overflow */
1068 ppc_elf_unhandled_reloc, /* special_function */
1069 "R_PPC_TPREL16", /* name */
1070 FALSE, /* partial_inplace */
1072 0xffff, /* dst_mask */
1073 FALSE), /* pcrel_offset */
1075 /* Like TPREL16, but no overflow. */
1076 HOWTO (R_PPC_TPREL16_LO,
1078 1, /* size (0 = byte, 1 = short, 2 = long) */
1080 FALSE, /* pc_relative */
1082 complain_overflow_dont, /* complain_on_overflow */
1083 ppc_elf_unhandled_reloc, /* special_function */
1084 "R_PPC_TPREL16_LO", /* name */
1085 FALSE, /* partial_inplace */
1087 0xffff, /* dst_mask */
1088 FALSE), /* pcrel_offset */
1090 /* Like TPREL16_LO, but next higher group of 16 bits. */
1091 HOWTO (R_PPC_TPREL16_HI,
1092 16, /* rightshift */
1093 1, /* size (0 = byte, 1 = short, 2 = long) */
1095 FALSE, /* pc_relative */
1097 complain_overflow_dont, /* complain_on_overflow */
1098 ppc_elf_unhandled_reloc, /* special_function */
1099 "R_PPC_TPREL16_HI", /* name */
1100 FALSE, /* partial_inplace */
1102 0xffff, /* dst_mask */
1103 FALSE), /* pcrel_offset */
1105 /* Like TPREL16_HI, but adjust for low 16 bits. */
1106 HOWTO (R_PPC_TPREL16_HA,
1107 16, /* rightshift */
1108 1, /* size (0 = byte, 1 = short, 2 = long) */
1110 FALSE, /* pc_relative */
1112 complain_overflow_dont, /* complain_on_overflow */
1113 ppc_elf_unhandled_reloc, /* special_function */
1114 "R_PPC_TPREL16_HA", /* name */
1115 FALSE, /* partial_inplace */
1117 0xffff, /* dst_mask */
1118 FALSE), /* pcrel_offset */
1120 /* Allocates two contiguous entries in the GOT to hold a tls_index structure,
1121 with values (sym+add)@dtpmod and (sym+add)@dtprel, and computes the offset
1122 to the first entry. */
1123 HOWTO (R_PPC_GOT_TLSGD16,
1125 1, /* size (0 = byte, 1 = short, 2 = long) */
1127 FALSE, /* pc_relative */
1129 complain_overflow_signed, /* complain_on_overflow */
1130 ppc_elf_unhandled_reloc, /* special_function */
1131 "R_PPC_GOT_TLSGD16", /* name */
1132 FALSE, /* partial_inplace */
1134 0xffff, /* dst_mask */
1135 FALSE), /* pcrel_offset */
1137 /* Like GOT_TLSGD16, but no overflow. */
1138 HOWTO (R_PPC_GOT_TLSGD16_LO,
1140 1, /* size (0 = byte, 1 = short, 2 = long) */
1142 FALSE, /* pc_relative */
1144 complain_overflow_dont, /* complain_on_overflow */
1145 ppc_elf_unhandled_reloc, /* special_function */
1146 "R_PPC_GOT_TLSGD16_LO", /* name */
1147 FALSE, /* partial_inplace */
1149 0xffff, /* dst_mask */
1150 FALSE), /* pcrel_offset */
1152 /* Like GOT_TLSGD16_LO, but next higher group of 16 bits. */
1153 HOWTO (R_PPC_GOT_TLSGD16_HI,
1154 16, /* rightshift */
1155 1, /* size (0 = byte, 1 = short, 2 = long) */
1157 FALSE, /* pc_relative */
1159 complain_overflow_dont, /* complain_on_overflow */
1160 ppc_elf_unhandled_reloc, /* special_function */
1161 "R_PPC_GOT_TLSGD16_HI", /* name */
1162 FALSE, /* partial_inplace */
1164 0xffff, /* dst_mask */
1165 FALSE), /* pcrel_offset */
1167 /* Like GOT_TLSGD16_HI, but adjust for low 16 bits. */
1168 HOWTO (R_PPC_GOT_TLSGD16_HA,
1169 16, /* rightshift */
1170 1, /* size (0 = byte, 1 = short, 2 = long) */
1172 FALSE, /* pc_relative */
1174 complain_overflow_dont, /* complain_on_overflow */
1175 ppc_elf_unhandled_reloc, /* special_function */
1176 "R_PPC_GOT_TLSGD16_HA", /* name */
1177 FALSE, /* partial_inplace */
1179 0xffff, /* dst_mask */
1180 FALSE), /* pcrel_offset */
1182 /* Allocates two contiguous entries in the GOT to hold a tls_index structure,
1183 with values (sym+add)@dtpmod and zero, and computes the offset to the
1185 HOWTO (R_PPC_GOT_TLSLD16,
1187 1, /* size (0 = byte, 1 = short, 2 = long) */
1189 FALSE, /* pc_relative */
1191 complain_overflow_signed, /* complain_on_overflow */
1192 ppc_elf_unhandled_reloc, /* special_function */
1193 "R_PPC_GOT_TLSLD16", /* name */
1194 FALSE, /* partial_inplace */
1196 0xffff, /* dst_mask */
1197 FALSE), /* pcrel_offset */
1199 /* Like GOT_TLSLD16, but no overflow. */
1200 HOWTO (R_PPC_GOT_TLSLD16_LO,
1202 1, /* size (0 = byte, 1 = short, 2 = long) */
1204 FALSE, /* pc_relative */
1206 complain_overflow_dont, /* complain_on_overflow */
1207 ppc_elf_unhandled_reloc, /* special_function */
1208 "R_PPC_GOT_TLSLD16_LO", /* name */
1209 FALSE, /* partial_inplace */
1211 0xffff, /* dst_mask */
1212 FALSE), /* pcrel_offset */
1214 /* Like GOT_TLSLD16_LO, but next higher group of 16 bits. */
1215 HOWTO (R_PPC_GOT_TLSLD16_HI,
1216 16, /* rightshift */
1217 1, /* size (0 = byte, 1 = short, 2 = long) */
1219 FALSE, /* pc_relative */
1221 complain_overflow_dont, /* complain_on_overflow */
1222 ppc_elf_unhandled_reloc, /* special_function */
1223 "R_PPC_GOT_TLSLD16_HI", /* name */
1224 FALSE, /* partial_inplace */
1226 0xffff, /* dst_mask */
1227 FALSE), /* pcrel_offset */
1229 /* Like GOT_TLSLD16_HI, but adjust for low 16 bits. */
1230 HOWTO (R_PPC_GOT_TLSLD16_HA,
1231 16, /* rightshift */
1232 1, /* size (0 = byte, 1 = short, 2 = long) */
1234 FALSE, /* pc_relative */
1236 complain_overflow_dont, /* complain_on_overflow */
1237 ppc_elf_unhandled_reloc, /* special_function */
1238 "R_PPC_GOT_TLSLD16_HA", /* name */
1239 FALSE, /* partial_inplace */
1241 0xffff, /* dst_mask */
1242 FALSE), /* pcrel_offset */
1244 /* Allocates an entry in the GOT with value (sym+add)@dtprel, and computes
1245 the offset to the entry. */
1246 HOWTO (R_PPC_GOT_DTPREL16,
1248 1, /* size (0 = byte, 1 = short, 2 = long) */
1250 FALSE, /* pc_relative */
1252 complain_overflow_signed, /* complain_on_overflow */
1253 ppc_elf_unhandled_reloc, /* special_function */
1254 "R_PPC_GOT_DTPREL16", /* name */
1255 FALSE, /* partial_inplace */
1257 0xffff, /* dst_mask */
1258 FALSE), /* pcrel_offset */
1260 /* Like GOT_DTPREL16, but no overflow. */
1261 HOWTO (R_PPC_GOT_DTPREL16_LO,
1263 1, /* size (0 = byte, 1 = short, 2 = long) */
1265 FALSE, /* pc_relative */
1267 complain_overflow_dont, /* complain_on_overflow */
1268 ppc_elf_unhandled_reloc, /* special_function */
1269 "R_PPC_GOT_DTPREL16_LO", /* name */
1270 FALSE, /* partial_inplace */
1272 0xffff, /* dst_mask */
1273 FALSE), /* pcrel_offset */
1275 /* Like GOT_DTPREL16_LO, but next higher group of 16 bits. */
1276 HOWTO (R_PPC_GOT_DTPREL16_HI,
1277 16, /* rightshift */
1278 1, /* size (0 = byte, 1 = short, 2 = long) */
1280 FALSE, /* pc_relative */
1282 complain_overflow_dont, /* complain_on_overflow */
1283 ppc_elf_unhandled_reloc, /* special_function */
1284 "R_PPC_GOT_DTPREL16_HI", /* name */
1285 FALSE, /* partial_inplace */
1287 0xffff, /* dst_mask */
1288 FALSE), /* pcrel_offset */
1290 /* Like GOT_DTPREL16_HI, but adjust for low 16 bits. */
1291 HOWTO (R_PPC_GOT_DTPREL16_HA,
1292 16, /* rightshift */
1293 1, /* size (0 = byte, 1 = short, 2 = long) */
1295 FALSE, /* pc_relative */
1297 complain_overflow_dont, /* complain_on_overflow */
1298 ppc_elf_unhandled_reloc, /* special_function */
1299 "R_PPC_GOT_DTPREL16_HA", /* name */
1300 FALSE, /* partial_inplace */
1302 0xffff, /* dst_mask */
1303 FALSE), /* pcrel_offset */
1305 /* Allocates an entry in the GOT with value (sym+add)@tprel, and computes the
1306 offset to the entry. */
1307 HOWTO (R_PPC_GOT_TPREL16,
1309 1, /* size (0 = byte, 1 = short, 2 = long) */
1311 FALSE, /* pc_relative */
1313 complain_overflow_signed, /* complain_on_overflow */
1314 ppc_elf_unhandled_reloc, /* special_function */
1315 "R_PPC_GOT_TPREL16", /* name */
1316 FALSE, /* partial_inplace */
1318 0xffff, /* dst_mask */
1319 FALSE), /* pcrel_offset */
1321 /* Like GOT_TPREL16, but no overflow. */
1322 HOWTO (R_PPC_GOT_TPREL16_LO,
1324 1, /* size (0 = byte, 1 = short, 2 = long) */
1326 FALSE, /* pc_relative */
1328 complain_overflow_dont, /* complain_on_overflow */
1329 ppc_elf_unhandled_reloc, /* special_function */
1330 "R_PPC_GOT_TPREL16_LO", /* name */
1331 FALSE, /* partial_inplace */
1333 0xffff, /* dst_mask */
1334 FALSE), /* pcrel_offset */
1336 /* Like GOT_TPREL16_LO, but next higher group of 16 bits. */
1337 HOWTO (R_PPC_GOT_TPREL16_HI,
1338 16, /* rightshift */
1339 1, /* size (0 = byte, 1 = short, 2 = long) */
1341 FALSE, /* pc_relative */
1343 complain_overflow_dont, /* complain_on_overflow */
1344 ppc_elf_unhandled_reloc, /* special_function */
1345 "R_PPC_GOT_TPREL16_HI", /* name */
1346 FALSE, /* partial_inplace */
1348 0xffff, /* dst_mask */
1349 FALSE), /* pcrel_offset */
1351 /* Like GOT_TPREL16_HI, but adjust for low 16 bits. */
1352 HOWTO (R_PPC_GOT_TPREL16_HA,
1353 16, /* rightshift */
1354 1, /* size (0 = byte, 1 = short, 2 = long) */
1356 FALSE, /* pc_relative */
1358 complain_overflow_dont, /* complain_on_overflow */
1359 ppc_elf_unhandled_reloc, /* special_function */
1360 "R_PPC_GOT_TPREL16_HA", /* name */
1361 FALSE, /* partial_inplace */
1363 0xffff, /* dst_mask */
1364 FALSE), /* pcrel_offset */
1366 /* The remaining relocs are from the Embedded ELF ABI, and are not
1367 in the SVR4 ELF ABI. */
1369 /* 32 bit value resulting from the addend minus the symbol. */
1370 HOWTO (R_PPC_EMB_NADDR32, /* type */
1372 2, /* size (0 = byte, 1 = short, 2 = long) */
1374 FALSE, /* pc_relative */
1376 complain_overflow_bitfield, /* complain_on_overflow */
1377 bfd_elf_generic_reloc, /* special_function */
1378 "R_PPC_EMB_NADDR32", /* name */
1379 FALSE, /* partial_inplace */
1381 0xffffffff, /* dst_mask */
1382 FALSE), /* pcrel_offset */
1384 /* 16 bit value resulting from the addend minus the symbol. */
1385 HOWTO (R_PPC_EMB_NADDR16, /* type */
1387 1, /* size (0 = byte, 1 = short, 2 = long) */
1389 FALSE, /* pc_relative */
1391 complain_overflow_bitfield, /* complain_on_overflow */
1392 bfd_elf_generic_reloc, /* special_function */
1393 "R_PPC_EMB_NADDR16", /* name */
1394 FALSE, /* partial_inplace */
1396 0xffff, /* dst_mask */
1397 FALSE), /* pcrel_offset */
1399 /* 16 bit value resulting from the addend minus the symbol. */
1400 HOWTO (R_PPC_EMB_NADDR16_LO, /* type */
1402 1, /* size (0 = byte, 1 = short, 2 = long) */
1404 FALSE, /* pc_relative */
1406 complain_overflow_dont,/* complain_on_overflow */
1407 bfd_elf_generic_reloc, /* special_function */
1408 "R_PPC_EMB_ADDR16_LO", /* name */
1409 FALSE, /* partial_inplace */
1411 0xffff, /* dst_mask */
1412 FALSE), /* pcrel_offset */
1414 /* The high order 16 bits of the addend minus the symbol. */
1415 HOWTO (R_PPC_EMB_NADDR16_HI, /* type */
1416 16, /* rightshift */
1417 1, /* size (0 = byte, 1 = short, 2 = long) */
1419 FALSE, /* pc_relative */
1421 complain_overflow_dont, /* complain_on_overflow */
1422 bfd_elf_generic_reloc, /* special_function */
1423 "R_PPC_EMB_NADDR16_HI", /* name */
1424 FALSE, /* partial_inplace */
1426 0xffff, /* dst_mask */
1427 FALSE), /* pcrel_offset */
1429 /* The high order 16 bits of the result of the addend minus the address,
1430 plus 1 if the contents of the low 16 bits, treated as a signed number,
1432 HOWTO (R_PPC_EMB_NADDR16_HA, /* type */
1433 16, /* rightshift */
1434 1, /* size (0 = byte, 1 = short, 2 = long) */
1436 FALSE, /* pc_relative */
1438 complain_overflow_dont, /* complain_on_overflow */
1439 ppc_elf_addr16_ha_reloc, /* special_function */
1440 "R_PPC_EMB_NADDR16_HA", /* name */
1441 FALSE, /* partial_inplace */
1443 0xffff, /* dst_mask */
1444 FALSE), /* pcrel_offset */
1446 /* 16 bit value resulting from allocating a 4 byte word to hold an
1447 address in the .sdata section, and returning the offset from
1448 _SDA_BASE_ for that relocation. */
1449 HOWTO (R_PPC_EMB_SDAI16, /* type */
1451 1, /* size (0 = byte, 1 = short, 2 = long) */
1453 FALSE, /* pc_relative */
1455 complain_overflow_bitfield, /* complain_on_overflow */
1456 bfd_elf_generic_reloc, /* special_function */
1457 "R_PPC_EMB_SDAI16", /* name */
1458 FALSE, /* partial_inplace */
1460 0xffff, /* dst_mask */
1461 FALSE), /* pcrel_offset */
1463 /* 16 bit value resulting from allocating a 4 byte word to hold an
1464 address in the .sdata2 section, and returning the offset from
1465 _SDA2_BASE_ for that relocation. */
1466 HOWTO (R_PPC_EMB_SDA2I16, /* type */
1468 1, /* size (0 = byte, 1 = short, 2 = long) */
1470 FALSE, /* pc_relative */
1472 complain_overflow_bitfield, /* complain_on_overflow */
1473 bfd_elf_generic_reloc, /* special_function */
1474 "R_PPC_EMB_SDA2I16", /* name */
1475 FALSE, /* partial_inplace */
1477 0xffff, /* dst_mask */
1478 FALSE), /* pcrel_offset */
1480 /* A sign-extended 16 bit value relative to _SDA2_BASE_, for use with
1481 small data items. */
1482 HOWTO (R_PPC_EMB_SDA2REL, /* type */
1484 1, /* size (0 = byte, 1 = short, 2 = long) */
1486 FALSE, /* pc_relative */
1488 complain_overflow_signed, /* complain_on_overflow */
1489 bfd_elf_generic_reloc, /* special_function */
1490 "R_PPC_EMB_SDA2REL", /* name */
1491 FALSE, /* partial_inplace */
1493 0xffff, /* dst_mask */
1494 FALSE), /* pcrel_offset */
1496 /* Relocate against either _SDA_BASE_ or _SDA2_BASE_, filling in the 16 bit
1497 signed offset from the appropriate base, and filling in the register
1498 field with the appropriate register (0, 2, or 13). */
1499 HOWTO (R_PPC_EMB_SDA21, /* type */
1501 2, /* size (0 = byte, 1 = short, 2 = long) */
1503 FALSE, /* pc_relative */
1505 complain_overflow_signed, /* complain_on_overflow */
1506 bfd_elf_generic_reloc, /* special_function */
1507 "R_PPC_EMB_SDA21", /* name */
1508 FALSE, /* partial_inplace */
1510 0xffff, /* dst_mask */
1511 FALSE), /* pcrel_offset */
1513 /* Relocation not handled: R_PPC_EMB_MRKREF */
1514 /* Relocation not handled: R_PPC_EMB_RELSEC16 */
1515 /* Relocation not handled: R_PPC_EMB_RELST_LO */
1516 /* Relocation not handled: R_PPC_EMB_RELST_HI */
1517 /* Relocation not handled: R_PPC_EMB_RELST_HA */
1518 /* Relocation not handled: R_PPC_EMB_BIT_FLD */
1520 /* PC relative relocation against either _SDA_BASE_ or _SDA2_BASE_, filling
1521 in the 16 bit signed offset from the appropriate base, and filling in the
1522 register field with the appropriate register (0, 2, or 13). */
1523 HOWTO (R_PPC_EMB_RELSDA, /* type */
1525 1, /* size (0 = byte, 1 = short, 2 = long) */
1527 TRUE, /* pc_relative */
1529 complain_overflow_signed, /* complain_on_overflow */
1530 bfd_elf_generic_reloc, /* special_function */
1531 "R_PPC_EMB_RELSDA", /* name */
1532 FALSE, /* partial_inplace */
1534 0xffff, /* dst_mask */
1535 FALSE), /* pcrel_offset */
1537 /* GNU extension to record C++ vtable hierarchy. */
1538 HOWTO (R_PPC_GNU_VTINHERIT, /* type */
1540 0, /* size (0 = byte, 1 = short, 2 = long) */
1542 FALSE, /* pc_relative */
1544 complain_overflow_dont, /* complain_on_overflow */
1545 NULL, /* special_function */
1546 "R_PPC_GNU_VTINHERIT", /* name */
1547 FALSE, /* partial_inplace */
1550 FALSE), /* pcrel_offset */
1552 /* GNU extension to record C++ vtable member usage. */
1553 HOWTO (R_PPC_GNU_VTENTRY, /* type */
1555 0, /* size (0 = byte, 1 = short, 2 = long) */
1557 FALSE, /* pc_relative */
1559 complain_overflow_dont, /* complain_on_overflow */
1560 NULL, /* special_function */
1561 "R_PPC_GNU_VTENTRY", /* name */
1562 FALSE, /* partial_inplace */
1565 FALSE), /* pcrel_offset */
1567 /* Phony reloc to handle AIX style TOC entries. */
1568 HOWTO (R_PPC_TOC16, /* type */
1570 1, /* size (0 = byte, 1 = short, 2 = long) */
1572 FALSE, /* pc_relative */
1574 complain_overflow_signed, /* complain_on_overflow */
1575 bfd_elf_generic_reloc, /* special_function */
1576 "R_PPC_TOC16", /* name */
1577 FALSE, /* partial_inplace */
1579 0xffff, /* dst_mask */
1580 FALSE), /* pcrel_offset */
1583 /* Initialize the ppc_elf_howto_table, so that linear accesses can be done. */
1586 ppc_elf_howto_init (void)
1588 unsigned int i, type;
1591 i < sizeof (ppc_elf_howto_raw) / sizeof (ppc_elf_howto_raw[0]);
1594 type = ppc_elf_howto_raw[i].type;
1595 if (type >= (sizeof (ppc_elf_howto_table)
1596 / sizeof (ppc_elf_howto_table[0])))
1598 ppc_elf_howto_table[type] = &ppc_elf_howto_raw[i];
1602 /* This function handles relaxing for the PPC with option --mpc860c0[=<n>].
1604 The MPC860, revision C0 or earlier contains a bug in the die.
1605 If all of the following conditions are true, the next instruction
1606 to be executed *may* be treated as a no-op.
1607 1/ A forward branch is executed.
1608 2/ The branch is predicted as not taken.
1609 3/ The branch is taken.
1610 4/ The branch is located in the last 5 words of a page.
1611 (The EOP limit is 5 by default but may be specified as any value
1614 Our software solution is to detect these problematic branches in a
1615 linker pass and modify them as follows:
1616 1/ Unconditional branches - Since these are always predicted taken,
1617 there is no problem and no action is required.
1618 2/ Conditional backward branches - No problem, no action required.
1619 3/ Conditional forward branches - Ensure that the "inverse prediction
1620 bit" is set (ensure it is predicted taken).
1621 4/ Conditional register branches - Ensure that the "y bit" is set
1622 (ensure it is predicted taken). */
1624 /* Sort sections by address. */
1627 ppc_elf_sort_rela (const void *arg1, const void *arg2)
1629 const Elf_Internal_Rela * const *rela1 = arg1;
1630 const Elf_Internal_Rela * const *rela2 = arg2;
1632 /* Sort by offset. */
1633 return ((*rela1)->r_offset - (*rela2)->r_offset);
1637 ppc_elf_relax_section (bfd *abfd,
1639 struct bfd_link_info *link_info,
1642 #define PAGESIZE 0x1000
1644 bfd_byte *contents = NULL;
1645 bfd_byte *free_contents = NULL;
1646 Elf_Internal_Rela *internal_relocs = NULL;
1647 Elf_Internal_Rela *free_relocs = NULL;
1648 Elf_Internal_Rela **rela_comb = NULL;
1649 int comb_curr, comb_count;
1651 /* We never have to do this more than once per input section. */
1654 /* If needed, initialize this section's cooked size. */
1655 if (isec->_cooked_size == 0)
1656 isec->_cooked_size = isec->_raw_size;
1658 /* We're only interested in text sections which overlap the
1659 troublesome area at the end of a page. */
1660 if (link_info->mpc860c0 && (isec->flags & SEC_CODE) && isec->_cooked_size)
1662 bfd_vma dot, end_page, end_section;
1663 bfd_boolean section_modified;
1665 /* Get the section contents. */
1666 /* Get cached copy if it exists. */
1667 if (elf_section_data (isec)->this_hdr.contents != NULL)
1668 contents = elf_section_data (isec)->this_hdr.contents;
1671 /* Go get them off disk. */
1672 contents = bfd_malloc (isec->_raw_size);
1673 if (contents == NULL)
1675 free_contents = contents;
1677 if (! bfd_get_section_contents (abfd, isec, contents,
1678 (file_ptr) 0, isec->_raw_size))
1684 if (isec->reloc_count)
1689 /* Get a copy of the native relocations. */
1691 = _bfd_elf_link_read_relocs (abfd, isec, NULL, NULL,
1692 link_info->keep_memory);
1693 if (internal_relocs == NULL)
1695 if (! link_info->keep_memory)
1696 free_relocs = internal_relocs;
1698 /* Setup a faster access method for the reloc info we need. */
1699 amt = isec->reloc_count;
1700 amt *= sizeof (Elf_Internal_Rela*);
1701 rela_comb = bfd_malloc (amt);
1702 if (rela_comb == NULL)
1704 for (n = 0; n < isec->reloc_count; ++n)
1706 enum elf_ppc_reloc_type r_type;
1708 r_type = ELF32_R_TYPE (internal_relocs[n].r_info);
1709 if (r_type >= R_PPC_max)
1712 /* Prologue constants are sometimes present in the ".text"
1713 sections and they can be identified by their associated
1714 relocation. We don't want to process those words and
1715 some others which can also be identified by their
1716 relocations. However, not all conditional branches will
1717 have a relocation so we will only ignore words that
1718 1) have a reloc, and 2) the reloc is not applicable to a
1719 conditional branch. The array rela_comb is built here
1720 for use in the EOP scan loop. */
1723 case R_PPC_ADDR14_BRNTAKEN:
1725 case R_PPC_REL14_BRNTAKEN:
1726 /* We should check the instruction. */
1729 /* The word is not a conditional branch - ignore it. */
1730 rela_comb[comb_count++] = &internal_relocs[n];
1735 qsort (rela_comb, (size_t) comb_count, sizeof (int),
1739 /* Enumerate each EOP region that overlaps this section. */
1740 end_section = isec->vma + isec->_cooked_size;
1741 dot = end_page = (isec->vma | (PAGESIZE - 1)) + 1;
1742 dot -= link_info->mpc860c0;
1743 section_modified = FALSE;
1744 /* Increment the start position if this section begins in the
1745 middle of its first EOP region. */
1746 if (dot < isec->vma)
1750 dot += PAGESIZE, end_page += PAGESIZE)
1752 /* Check each word in this EOP region. */
1753 for (; dot < end_page; dot += 4)
1755 bfd_vma isec_offset;
1757 bfd_boolean skip, modified;
1759 /* Don't process this word if there is a relocation for it
1760 and the relocation indicates the word is not a
1761 conditional branch. */
1763 isec_offset = dot - isec->vma;
1764 for (; comb_curr<comb_count; ++comb_curr)
1768 r_offset = rela_comb[comb_curr]->r_offset;
1769 if (r_offset >= isec_offset)
1771 if (r_offset == isec_offset) skip = TRUE;
1777 /* Check the current word for a problematic conditional
1779 #define BO0(insn) ((insn) & 0x02000000)
1780 #define BO2(insn) ((insn) & 0x00800000)
1781 #define BO4(insn) ((insn) & 0x00200000)
1782 insn = (unsigned long) bfd_get_32 (abfd, contents + isec_offset);
1784 if ((insn & 0xFc000000) == 0x40000000)
1786 /* Instruction is BCx */
1787 if ((!BO0(insn) || !BO2(insn)) && !BO4(insn))
1791 /* This branch is predicted as "normal".
1792 If this is a forward branch, it is problematic. */
1793 target = insn & 0x0000Fffc;
1794 target = (target ^ 0x8000) - 0x8000;
1795 if ((insn & 0x00000002) == 0)
1796 /* Convert to abs. */
1800 /* Set the prediction bit. */
1806 else if ((insn & 0xFc00Fffe) == 0x4c000420)
1808 /* Instruction is BCCTRx. */
1809 if ((!BO0(insn) || !BO2(insn)) && !BO4(insn))
1811 /* This branch is predicted as not-taken.
1812 If this is a forward branch, it is problematic.
1813 Since we can't tell statically if it will branch
1814 forward, always set the prediction bit. */
1819 else if ((insn & 0xFc00Fffe) == 0x4c000020)
1821 /* Instruction is BCLRx */
1822 if ((!BO0(insn) || !BO2(insn)) && !BO4(insn))
1824 /* This branch is predicted as not-taken.
1825 If this is a forward branch, it is problematic.
1826 Since we can't tell statically if it will branch
1827 forward, always set the prediction bit. */
1837 bfd_put_32 (abfd, insn, contents + isec_offset);
1838 section_modified = TRUE;
1842 if (section_modified)
1844 elf_section_data (isec)->this_hdr.contents = contents;
1845 free_contents = NULL;
1849 if (rela_comb != NULL)
1855 if (free_relocs != NULL)
1861 if (free_contents != NULL)
1863 if (! link_info->keep_memory)
1864 free (free_contents);
1867 /* Cache the section contents for elf_link_input_bfd. */
1868 elf_section_data (isec)->this_hdr.contents = contents;
1870 free_contents = NULL;
1876 if (rela_comb != NULL)
1878 if (free_relocs != NULL)
1880 if (free_contents != NULL)
1881 free (free_contents);
1885 static reloc_howto_type *
1886 ppc_elf_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
1887 bfd_reloc_code_real_type code)
1889 enum elf_ppc_reloc_type r;
1891 /* Initialize howto table if not already done. */
1892 if (!ppc_elf_howto_table[R_PPC_ADDR32])
1893 ppc_elf_howto_init ();
1900 case BFD_RELOC_NONE: r = R_PPC_NONE; break;
1901 case BFD_RELOC_32: r = R_PPC_ADDR32; break;
1902 case BFD_RELOC_PPC_BA26: r = R_PPC_ADDR24; break;
1903 case BFD_RELOC_16: r = R_PPC_ADDR16; break;
1904 case BFD_RELOC_LO16: r = R_PPC_ADDR16_LO; break;
1905 case BFD_RELOC_HI16: r = R_PPC_ADDR16_HI; break;
1906 case BFD_RELOC_HI16_S: r = R_PPC_ADDR16_HA; break;
1907 case BFD_RELOC_PPC_BA16: r = R_PPC_ADDR14; break;
1908 case BFD_RELOC_PPC_BA16_BRTAKEN: r = R_PPC_ADDR14_BRTAKEN; break;
1909 case BFD_RELOC_PPC_BA16_BRNTAKEN: r = R_PPC_ADDR14_BRNTAKEN; break;
1910 case BFD_RELOC_PPC_B26: r = R_PPC_REL24; break;
1911 case BFD_RELOC_PPC_B16: r = R_PPC_REL14; break;
1912 case BFD_RELOC_PPC_B16_BRTAKEN: r = R_PPC_REL14_BRTAKEN; break;
1913 case BFD_RELOC_PPC_B16_BRNTAKEN: r = R_PPC_REL14_BRNTAKEN; break;
1914 case BFD_RELOC_16_GOTOFF: r = R_PPC_GOT16; break;
1915 case BFD_RELOC_LO16_GOTOFF: r = R_PPC_GOT16_LO; break;
1916 case BFD_RELOC_HI16_GOTOFF: r = R_PPC_GOT16_HI; break;
1917 case BFD_RELOC_HI16_S_GOTOFF: r = R_PPC_GOT16_HA; break;
1918 case BFD_RELOC_24_PLT_PCREL: r = R_PPC_PLTREL24; break;
1919 case BFD_RELOC_PPC_COPY: r = R_PPC_COPY; break;
1920 case BFD_RELOC_PPC_GLOB_DAT: r = R_PPC_GLOB_DAT; break;
1921 case BFD_RELOC_PPC_LOCAL24PC: r = R_PPC_LOCAL24PC; break;
1922 case BFD_RELOC_32_PCREL: r = R_PPC_REL32; break;
1923 case BFD_RELOC_32_PLTOFF: r = R_PPC_PLT32; break;
1924 case BFD_RELOC_32_PLT_PCREL: r = R_PPC_PLTREL32; break;
1925 case BFD_RELOC_LO16_PLTOFF: r = R_PPC_PLT16_LO; break;
1926 case BFD_RELOC_HI16_PLTOFF: r = R_PPC_PLT16_HI; break;
1927 case BFD_RELOC_HI16_S_PLTOFF: r = R_PPC_PLT16_HA; break;
1928 case BFD_RELOC_GPREL16: r = R_PPC_SDAREL16; break;
1929 case BFD_RELOC_16_BASEREL: r = R_PPC_SECTOFF; break;
1930 case BFD_RELOC_LO16_BASEREL: r = R_PPC_SECTOFF_LO; break;
1931 case BFD_RELOC_HI16_BASEREL: r = R_PPC_SECTOFF_HI; break;
1932 case BFD_RELOC_HI16_S_BASEREL: r = R_PPC_SECTOFF_HA; break;
1933 case BFD_RELOC_CTOR: r = R_PPC_ADDR32; break;
1934 case BFD_RELOC_PPC_TOC16: r = R_PPC_TOC16; break;
1935 case BFD_RELOC_PPC_TLS: r = R_PPC_TLS; break;
1936 case BFD_RELOC_PPC_DTPMOD: r = R_PPC_DTPMOD32; break;
1937 case BFD_RELOC_PPC_TPREL16: r = R_PPC_TPREL16; break;
1938 case BFD_RELOC_PPC_TPREL16_LO: r = R_PPC_TPREL16_LO; break;
1939 case BFD_RELOC_PPC_TPREL16_HI: r = R_PPC_TPREL16_HI; break;
1940 case BFD_RELOC_PPC_TPREL16_HA: r = R_PPC_TPREL16_HA; break;
1941 case BFD_RELOC_PPC_TPREL: r = R_PPC_TPREL32; break;
1942 case BFD_RELOC_PPC_DTPREL16: r = R_PPC_DTPREL16; break;
1943 case BFD_RELOC_PPC_DTPREL16_LO: r = R_PPC_DTPREL16_LO; break;
1944 case BFD_RELOC_PPC_DTPREL16_HI: r = R_PPC_DTPREL16_HI; break;
1945 case BFD_RELOC_PPC_DTPREL16_HA: r = R_PPC_DTPREL16_HA; break;
1946 case BFD_RELOC_PPC_DTPREL: r = R_PPC_DTPREL32; break;
1947 case BFD_RELOC_PPC_GOT_TLSGD16: r = R_PPC_GOT_TLSGD16; break;
1948 case BFD_RELOC_PPC_GOT_TLSGD16_LO: r = R_PPC_GOT_TLSGD16_LO; break;
1949 case BFD_RELOC_PPC_GOT_TLSGD16_HI: r = R_PPC_GOT_TLSGD16_HI; break;
1950 case BFD_RELOC_PPC_GOT_TLSGD16_HA: r = R_PPC_GOT_TLSGD16_HA; break;
1951 case BFD_RELOC_PPC_GOT_TLSLD16: r = R_PPC_GOT_TLSLD16; break;
1952 case BFD_RELOC_PPC_GOT_TLSLD16_LO: r = R_PPC_GOT_TLSLD16_LO; break;
1953 case BFD_RELOC_PPC_GOT_TLSLD16_HI: r = R_PPC_GOT_TLSLD16_HI; break;
1954 case BFD_RELOC_PPC_GOT_TLSLD16_HA: r = R_PPC_GOT_TLSLD16_HA; break;
1955 case BFD_RELOC_PPC_GOT_TPREL16: r = R_PPC_GOT_TPREL16; break;
1956 case BFD_RELOC_PPC_GOT_TPREL16_LO: r = R_PPC_GOT_TPREL16_LO; break;
1957 case BFD_RELOC_PPC_GOT_TPREL16_HI: r = R_PPC_GOT_TPREL16_HI; break;
1958 case BFD_RELOC_PPC_GOT_TPREL16_HA: r = R_PPC_GOT_TPREL16_HA; break;
1959 case BFD_RELOC_PPC_GOT_DTPREL16: r = R_PPC_GOT_DTPREL16; break;
1960 case BFD_RELOC_PPC_GOT_DTPREL16_LO: r = R_PPC_GOT_DTPREL16_LO; break;
1961 case BFD_RELOC_PPC_GOT_DTPREL16_HI: r = R_PPC_GOT_DTPREL16_HI; break;
1962 case BFD_RELOC_PPC_GOT_DTPREL16_HA: r = R_PPC_GOT_DTPREL16_HA; break;
1963 case BFD_RELOC_PPC_EMB_NADDR32: r = R_PPC_EMB_NADDR32; break;
1964 case BFD_RELOC_PPC_EMB_NADDR16: r = R_PPC_EMB_NADDR16; break;
1965 case BFD_RELOC_PPC_EMB_NADDR16_LO: r = R_PPC_EMB_NADDR16_LO; break;
1966 case BFD_RELOC_PPC_EMB_NADDR16_HI: r = R_PPC_EMB_NADDR16_HI; break;
1967 case BFD_RELOC_PPC_EMB_NADDR16_HA: r = R_PPC_EMB_NADDR16_HA; break;
1968 case BFD_RELOC_PPC_EMB_SDAI16: r = R_PPC_EMB_SDAI16; break;
1969 case BFD_RELOC_PPC_EMB_SDA2I16: r = R_PPC_EMB_SDA2I16; break;
1970 case BFD_RELOC_PPC_EMB_SDA2REL: r = R_PPC_EMB_SDA2REL; break;
1971 case BFD_RELOC_PPC_EMB_SDA21: r = R_PPC_EMB_SDA21; break;
1972 case BFD_RELOC_PPC_EMB_MRKREF: r = R_PPC_EMB_MRKREF; break;
1973 case BFD_RELOC_PPC_EMB_RELSEC16: r = R_PPC_EMB_RELSEC16; break;
1974 case BFD_RELOC_PPC_EMB_RELST_LO: r = R_PPC_EMB_RELST_LO; break;
1975 case BFD_RELOC_PPC_EMB_RELST_HI: r = R_PPC_EMB_RELST_HI; break;
1976 case BFD_RELOC_PPC_EMB_RELST_HA: r = R_PPC_EMB_RELST_HA; break;
1977 case BFD_RELOC_PPC_EMB_BIT_FLD: r = R_PPC_EMB_BIT_FLD; break;
1978 case BFD_RELOC_PPC_EMB_RELSDA: r = R_PPC_EMB_RELSDA; break;
1979 case BFD_RELOC_VTABLE_INHERIT: r = R_PPC_GNU_VTINHERIT; break;
1980 case BFD_RELOC_VTABLE_ENTRY: r = R_PPC_GNU_VTENTRY; break;
1983 return ppc_elf_howto_table[r];
1986 /* Set the howto pointer for a PowerPC ELF reloc. */
1989 ppc_elf_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
1991 Elf_Internal_Rela *dst)
1993 /* Initialize howto table if not already done. */
1994 if (!ppc_elf_howto_table[R_PPC_ADDR32])
1995 ppc_elf_howto_init ();
1997 BFD_ASSERT (ELF32_R_TYPE (dst->r_info) < (unsigned int) R_PPC_max);
1998 cache_ptr->howto = ppc_elf_howto_table[ELF32_R_TYPE (dst->r_info)];
2001 /* Handle the R_PPC_ADDR16_HA reloc. */
2003 static bfd_reloc_status_type
2004 ppc_elf_addr16_ha_reloc (bfd *abfd ATTRIBUTE_UNUSED,
2005 arelent *reloc_entry,
2007 void *data ATTRIBUTE_UNUSED,
2008 asection *input_section,
2010 char **error_message ATTRIBUTE_UNUSED)
2014 if (output_bfd != NULL)
2016 reloc_entry->address += input_section->output_offset;
2017 return bfd_reloc_ok;
2020 if (reloc_entry->address > input_section->_cooked_size)
2021 return bfd_reloc_outofrange;
2023 if (bfd_is_com_section (symbol->section))
2026 relocation = symbol->value;
2028 relocation += symbol->section->output_section->vma;
2029 relocation += symbol->section->output_offset;
2030 relocation += reloc_entry->addend;
2032 reloc_entry->addend += (relocation & 0x8000) << 1;
2034 return bfd_reloc_continue;
2037 static bfd_reloc_status_type
2038 ppc_elf_unhandled_reloc (bfd *abfd,
2039 arelent *reloc_entry,
2042 asection *input_section,
2044 char **error_message)
2046 /* If this is a relocatable link (output_bfd test tells us), just
2047 call the generic function. Any adjustment will be done at final
2049 if (output_bfd != NULL)
2050 return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
2051 input_section, output_bfd, error_message);
2053 if (error_message != NULL)
2055 static char buf[60];
2056 sprintf (buf, _("generic linker can't handle %s"),
2057 reloc_entry->howto->name);
2058 *error_message = buf;
2060 return bfd_reloc_dangerous;
2063 /* Fix bad default arch selected for a 32 bit input bfd when the
2064 default is 64 bit. */
2067 ppc_elf_object_p (bfd *abfd)
2069 if (abfd->arch_info->the_default && abfd->arch_info->bits_per_word == 64)
2071 Elf_Internal_Ehdr *i_ehdr = elf_elfheader (abfd);
2073 if (i_ehdr->e_ident[EI_CLASS] == ELFCLASS32)
2075 /* Relies on arch after 64 bit default being 32 bit default. */
2076 abfd->arch_info = abfd->arch_info->next;
2077 BFD_ASSERT (abfd->arch_info->bits_per_word == 32);
2083 /* Function to set whether a module needs the -mrelocatable bit set. */
2086 ppc_elf_set_private_flags (bfd *abfd, flagword flags)
2088 BFD_ASSERT (!elf_flags_init (abfd)
2089 || elf_elfheader (abfd)->e_flags == flags);
2091 elf_elfheader (abfd)->e_flags = flags;
2092 elf_flags_init (abfd) = TRUE;
2096 /* Merge backend specific data from an object file to the output
2097 object file when linking. */
2100 ppc_elf_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
2106 /* Check if we have the same endianess. */
2107 if (! _bfd_generic_verify_endian_match (ibfd, obfd))
2110 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
2111 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
2114 new_flags = elf_elfheader (ibfd)->e_flags;
2115 old_flags = elf_elfheader (obfd)->e_flags;
2116 if (!elf_flags_init (obfd))
2118 /* First call, no flags set. */
2119 elf_flags_init (obfd) = TRUE;
2120 elf_elfheader (obfd)->e_flags = new_flags;
2123 /* Compatible flags are ok. */
2124 else if (new_flags == old_flags)
2127 /* Incompatible flags. */
2130 /* Warn about -mrelocatable mismatch. Allow -mrelocatable-lib
2131 to be linked with either. */
2133 if ((new_flags & EF_PPC_RELOCATABLE) != 0
2134 && (old_flags & (EF_PPC_RELOCATABLE | EF_PPC_RELOCATABLE_LIB)) == 0)
2137 (*_bfd_error_handler)
2138 (_("%s: compiled with -mrelocatable and linked with "
2139 "modules compiled normally"),
2140 bfd_archive_filename (ibfd));
2142 else if ((new_flags & (EF_PPC_RELOCATABLE | EF_PPC_RELOCATABLE_LIB)) == 0
2143 && (old_flags & EF_PPC_RELOCATABLE) != 0)
2146 (*_bfd_error_handler)
2147 (_("%s: compiled normally and linked with "
2148 "modules compiled with -mrelocatable"),
2149 bfd_archive_filename (ibfd));
2152 /* The output is -mrelocatable-lib iff both the input files are. */
2153 if (! (new_flags & EF_PPC_RELOCATABLE_LIB))
2154 elf_elfheader (obfd)->e_flags &= ~EF_PPC_RELOCATABLE_LIB;
2156 /* The output is -mrelocatable iff it can't be -mrelocatable-lib,
2157 but each input file is either -mrelocatable or -mrelocatable-lib. */
2158 if (! (elf_elfheader (obfd)->e_flags & EF_PPC_RELOCATABLE_LIB)
2159 && (new_flags & (EF_PPC_RELOCATABLE_LIB | EF_PPC_RELOCATABLE))
2160 && (old_flags & (EF_PPC_RELOCATABLE_LIB | EF_PPC_RELOCATABLE)))
2161 elf_elfheader (obfd)->e_flags |= EF_PPC_RELOCATABLE;
2163 /* Do not warn about eabi vs. V.4 mismatch, just or in the bit if
2164 any module uses it. */
2165 elf_elfheader (obfd)->e_flags |= (new_flags & EF_PPC_EMB);
2167 new_flags &= ~(EF_PPC_RELOCATABLE | EF_PPC_RELOCATABLE_LIB | EF_PPC_EMB);
2168 old_flags &= ~(EF_PPC_RELOCATABLE | EF_PPC_RELOCATABLE_LIB | EF_PPC_EMB);
2170 /* Warn about any other mismatches. */
2171 if (new_flags != old_flags)
2174 (*_bfd_error_handler)
2175 (_("%s: uses different e_flags (0x%lx) fields "
2176 "than previous modules (0x%lx)"),
2177 bfd_archive_filename (ibfd), (long) new_flags, (long) old_flags);
2182 bfd_set_error (bfd_error_bad_value);
2190 /* Handle a PowerPC specific section when reading an object file. This
2191 is called when elfcode.h finds a section with an unknown type. */
2194 ppc_elf_section_from_shdr (bfd *abfd, Elf_Internal_Shdr *hdr, const char *name)
2199 if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name))
2202 newsect = hdr->bfd_section;
2203 flags = bfd_get_section_flags (abfd, newsect);
2204 if (hdr->sh_flags & SHF_EXCLUDE)
2205 flags |= SEC_EXCLUDE;
2207 if (hdr->sh_type == SHT_ORDERED)
2208 flags |= SEC_SORT_ENTRIES;
2210 bfd_set_section_flags (abfd, newsect, flags);
2214 /* Set up any other section flags and such that may be necessary. */
2217 ppc_elf_fake_sections (bfd *abfd ATTRIBUTE_UNUSED,
2218 Elf_Internal_Shdr *shdr,
2221 if ((asect->flags & SEC_EXCLUDE) != 0)
2222 shdr->sh_flags |= SHF_EXCLUDE;
2224 if ((asect->flags & SEC_SORT_ENTRIES) != 0)
2225 shdr->sh_type = SHT_ORDERED;
2230 /* Find a linker generated pointer with a given addend and type. */
2232 static elf_linker_section_pointers_t *
2233 elf_find_pointer_linker_section
2234 (elf_linker_section_pointers_t *linker_pointers,
2236 elf_linker_section_t *lsect)
2238 for ( ; linker_pointers != NULL; linker_pointers = linker_pointers->next)
2239 if (lsect == linker_pointers->lsect && addend == linker_pointers->addend)
2240 return linker_pointers;
2245 /* Allocate a pointer to live in a linker created section. */
2248 elf_create_pointer_linker_section (bfd *abfd,
2249 struct bfd_link_info *info,
2250 elf_linker_section_t *lsect,
2251 struct elf_link_hash_entry *h,
2252 const Elf_Internal_Rela *rel)
2254 elf_linker_section_pointers_t **ptr_linker_section_ptr = NULL;
2255 elf_linker_section_pointers_t *linker_section_ptr;
2256 unsigned long r_symndx = ELF32_R_SYM (rel->r_info);
2259 BFD_ASSERT (lsect != NULL);
2261 /* Is this a global symbol? */
2264 struct ppc_elf_link_hash_entry *eh;
2266 /* Has this symbol already been allocated? If so, our work is done. */
2267 eh = (struct ppc_elf_link_hash_entry *) h;
2268 if (elf_find_pointer_linker_section (eh->linker_section_pointer,
2273 ptr_linker_section_ptr = &eh->linker_section_pointer;
2274 /* Make sure this symbol is output as a dynamic symbol. */
2275 if (h->dynindx == -1)
2277 if (! _bfd_elf_link_record_dynamic_symbol (info, h))
2281 if (lsect->rel_section)
2282 lsect->rel_section->_raw_size += sizeof (Elf32_External_Rela);
2286 /* Allocation of a pointer to a local symbol. */
2287 elf_linker_section_pointers_t **ptr = elf_local_ptr_offsets (abfd);
2289 /* Allocate a table to hold the local symbols if first time. */
2292 unsigned int num_symbols = elf_tdata (abfd)->symtab_hdr.sh_info;
2295 amt *= sizeof (elf_linker_section_pointers_t *);
2296 ptr = bfd_zalloc (abfd, amt);
2301 elf_local_ptr_offsets (abfd) = ptr;
2304 /* Has this symbol already been allocated? If so, our work is done. */
2305 if (elf_find_pointer_linker_section (ptr[r_symndx],
2310 ptr_linker_section_ptr = &ptr[r_symndx];
2314 /* If we are generating a shared object, we need to
2315 output a R_<xxx>_RELATIVE reloc so that the
2316 dynamic linker can adjust this GOT entry. */
2317 BFD_ASSERT (lsect->rel_section != NULL);
2318 lsect->rel_section->_raw_size += sizeof (Elf32_External_Rela);
2322 /* Allocate space for a pointer in the linker section, and allocate
2323 a new pointer record from internal memory. */
2324 BFD_ASSERT (ptr_linker_section_ptr != NULL);
2325 amt = sizeof (elf_linker_section_pointers_t);
2326 linker_section_ptr = bfd_alloc (abfd, amt);
2328 if (!linker_section_ptr)
2331 linker_section_ptr->next = *ptr_linker_section_ptr;
2332 linker_section_ptr->addend = rel->r_addend;
2333 linker_section_ptr->lsect = lsect;
2334 linker_section_ptr->written_address_p = FALSE;
2335 *ptr_linker_section_ptr = linker_section_ptr;
2337 linker_section_ptr->offset = lsect->section->_raw_size;
2338 lsect->section->_raw_size += 4;
2342 "Create pointer in linker section %s, offset = %ld, section size = %ld\n",
2343 lsect->name, (long) linker_section_ptr->offset,
2344 (long) lsect->section->_raw_size);
2350 #define bfd_put_ptr(BFD, VAL, ADDR) bfd_put_32 (BFD, VAL, ADDR)
2352 /* Fill in the address for a pointer generated in a linker section. */
2355 elf_finish_pointer_linker_section (bfd *output_bfd,
2357 struct bfd_link_info *info,
2358 elf_linker_section_t *lsect,
2359 struct elf_link_hash_entry *h,
2361 const Elf_Internal_Rela *rel,
2364 elf_linker_section_pointers_t *linker_section_ptr;
2366 BFD_ASSERT (lsect != NULL);
2370 /* Handle global symbol. */
2371 struct ppc_elf_link_hash_entry *eh;
2373 eh = (struct ppc_elf_link_hash_entry *) h;
2375 = elf_find_pointer_linker_section (eh->linker_section_pointer,
2379 BFD_ASSERT (linker_section_ptr != NULL);
2381 if (! elf_hash_table (info)->dynamic_sections_created
2384 && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR)))
2386 /* This is actually a static link, or it is a
2387 -Bsymbolic link and the symbol is defined
2388 locally. We must initialize this entry in the
2391 When doing a dynamic link, we create a .rela.<xxx>
2392 relocation entry to initialize the value. This
2393 is done in the finish_dynamic_symbol routine. */
2394 if (!linker_section_ptr->written_address_p)
2396 linker_section_ptr->written_address_p = TRUE;
2397 bfd_put_ptr (output_bfd,
2398 relocation + linker_section_ptr->addend,
2399 (lsect->section->contents
2400 + linker_section_ptr->offset));
2406 /* Handle local symbol. */
2407 unsigned long r_symndx = ELF32_R_SYM (rel->r_info);
2408 BFD_ASSERT (elf_local_ptr_offsets (input_bfd) != NULL);
2409 BFD_ASSERT (elf_local_ptr_offsets (input_bfd)[r_symndx] != NULL);
2410 linker_section_ptr = (elf_find_pointer_linker_section
2411 (elf_local_ptr_offsets (input_bfd)[r_symndx],
2415 BFD_ASSERT (linker_section_ptr != NULL);
2417 /* Write out pointer if it hasn't been rewritten out before. */
2418 if (!linker_section_ptr->written_address_p)
2420 linker_section_ptr->written_address_p = TRUE;
2421 bfd_put_ptr (output_bfd, relocation + linker_section_ptr->addend,
2422 lsect->section->contents + linker_section_ptr->offset);
2426 /* We need to generate a relative reloc for the dynamic
2429 asection *srel = lsect->rel_section;
2430 Elf_Internal_Rela outrel[MAX_INT_RELS_PER_EXT_REL];
2432 struct elf_backend_data *bed = get_elf_backend_data (output_bfd);
2435 BFD_ASSERT (srel != NULL);
2437 for (i = 0; i < bed->s->int_rels_per_ext_rel; i++)
2439 outrel[i].r_offset = (lsect->section->output_section->vma
2440 + lsect->section->output_offset
2441 + linker_section_ptr->offset);
2442 outrel[i].r_info = 0;
2443 outrel[i].r_addend = 0;
2445 outrel[0].r_info = ELF32_R_INFO (0, relative_reloc);
2446 erel = lsect->section->contents;
2447 erel += (elf_section_data (lsect->section)->rel_count++
2448 * sizeof (Elf32_External_Rela));
2449 bfd_elf32_swap_reloca_out (output_bfd, outrel, erel);
2454 relocation = (lsect->section->output_offset
2455 + linker_section_ptr->offset
2456 - lsect->sym_offset);
2460 "Finish pointer in linker section %s, offset = %ld (0x%lx)\n",
2461 lsect->name, (long) relocation, (long) relocation);
2464 /* Subtract out the addend, because it will get added back in by the normal
2466 return relocation - linker_section_ptr->addend;
2469 /* Create a special linker section */
2470 static elf_linker_section_t *
2471 ppc_elf_create_linker_section (bfd *abfd,
2472 struct bfd_link_info *info,
2473 enum elf_linker_section_enum which)
2475 elf_linker_section_t *lsect;
2476 struct ppc_elf_link_hash_table *htab = ppc_elf_hash_table (info);
2481 const char *rel_name;
2482 const char *sym_name;
2485 /* Both of these sections are (technically) created by the user
2486 putting data in them, so they shouldn't be marked
2489 The linker creates them so it has somewhere to attach their
2490 respective symbols. In fact, if they were empty it would
2491 be OK to leave the symbol set to 0 (or any random number), because
2492 the appropriate register should never be used. */
2493 flags = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY;
2502 case LINKER_SECTION_SDATA: /* .sdata/.sbss section */
2504 rel_name = ".rela.sdata";
2505 sym_name = "_SDA_BASE_";
2508 case LINKER_SECTION_SDATA2: /* .sdata2/.sbss2 section */
2510 rel_name = ".rela.sdata2";
2511 sym_name = "_SDA2_BASE_";
2512 flags |= SEC_READONLY;
2516 /* Record the first bfd that needs the special sections. */
2517 if (!htab->elf.dynobj)
2518 htab->elf.dynobj = abfd;
2520 amt = sizeof (elf_linker_section_t);
2521 lsect = bfd_zalloc (htab->elf.dynobj, amt);
2523 lsect->sym_offset = sym_offset;
2525 /* See if the sections already exist. */
2526 s = bfd_get_section_by_name (htab->elf.dynobj, name);
2527 if (s == NULL || (s->flags & flags) != flags)
2529 s = bfd_make_section_anyway (htab->elf.dynobj, name);
2531 || !bfd_set_section_flags (htab->elf.dynobj, s, flags))
2536 if (bfd_get_section_alignment (htab->elf.dynobj, s) < 2
2537 && !bfd_set_section_alignment (htab->elf.dynobj, s, 2))
2540 s->_raw_size = align_power (s->_raw_size, 2);
2543 fprintf (stderr, "Creating section %s, current size = %ld\n",
2544 name, (long) s->_raw_size);
2549 struct elf_link_hash_entry *h;
2550 struct bfd_link_hash_entry *bh;
2553 fprintf (stderr, "Adding %s to section %s\n", sym_name, name);
2555 bh = bfd_link_hash_lookup (info->hash, sym_name,
2556 FALSE, FALSE, FALSE);
2558 if ((bh == NULL || bh->type == bfd_link_hash_undefined)
2559 && !(_bfd_generic_link_add_one_symbol
2560 (info, abfd, sym_name, BSF_GLOBAL, s, sym_offset, NULL,
2561 FALSE, get_elf_backend_data (abfd)->collect, &bh)))
2563 h = (struct elf_link_hash_entry *) bh;
2565 h->type = STT_OBJECT;
2566 lsect->sym_hash = h;
2569 && ! _bfd_elf_link_record_dynamic_symbol (info, h))
2575 s = bfd_make_section_anyway (htab->elf.dynobj, rel_name);
2576 lsect->rel_section = s;
2577 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
2578 | SEC_LINKER_CREATED | SEC_READONLY);
2580 || ! bfd_set_section_flags (htab->elf.dynobj, s, flags)
2581 || ! bfd_set_section_alignment (htab->elf.dynobj, s, 2))
2588 /* If we have a non-zero sized .sbss2 or .PPC.EMB.sbss0 sections, we
2589 need to bump up the number of section headers. */
2592 ppc_elf_additional_program_headers (bfd *abfd)
2599 s = bfd_get_section_by_name (abfd, ".interp");
2603 s = bfd_get_section_by_name (abfd, ".sbss2");
2604 if (s != NULL && (s->flags & SEC_LOAD) != 0 && s->_raw_size > 0)
2607 s = bfd_get_section_by_name (abfd, ".PPC.EMB.sbss0");
2608 if (s != NULL && (s->flags & SEC_LOAD) != 0 && s->_raw_size > 0)
2614 /* Modify the segment map if needed. */
2617 ppc_elf_modify_segment_map (bfd *abfd ATTRIBUTE_UNUSED)
2622 /* The powerpc .got has a blrl instruction in it. Mark it executable. */
2625 ppc_elf_create_got (bfd *abfd, struct bfd_link_info *info)
2627 struct ppc_elf_link_hash_table *htab;
2631 if (!_bfd_elf_create_got_section (abfd, info))
2634 htab = ppc_elf_hash_table (info);
2635 htab->got = s = bfd_get_section_by_name (abfd, ".got");
2639 flags = (SEC_ALLOC | SEC_LOAD | SEC_CODE | SEC_HAS_CONTENTS | SEC_IN_MEMORY
2640 | SEC_LINKER_CREATED);
2641 if (!bfd_set_section_flags (abfd, s, flags))
2644 htab->relgot = bfd_make_section (abfd, ".rela.got");
2646 || ! bfd_set_section_flags (abfd, htab->relgot,
2647 (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS
2648 | SEC_IN_MEMORY | SEC_LINKER_CREATED
2650 || ! bfd_set_section_alignment (abfd, htab->relgot, 2))
2656 /* We have to create .dynsbss and .rela.sbss here so that they get mapped
2657 to output sections (just like _bfd_elf_create_dynamic_sections has
2658 to create .dynbss and .rela.bss). */
2661 ppc_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
2663 struct ppc_elf_link_hash_table *htab;
2667 htab = ppc_elf_hash_table (info);
2669 if (htab->got == NULL
2670 && !ppc_elf_create_got (abfd, info))
2673 if (!_bfd_elf_create_dynamic_sections (abfd, info))
2676 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
2677 | SEC_LINKER_CREATED);
2679 htab->dynbss = bfd_get_section_by_name (abfd, ".dynbss");
2680 htab->dynsbss = s = bfd_make_section (abfd, ".dynsbss");
2682 || ! bfd_set_section_flags (abfd, s, SEC_ALLOC))
2687 htab->relbss = bfd_get_section_by_name (abfd, ".rela.bss");
2688 htab->relsbss = s = bfd_make_section (abfd, ".rela.sbss");
2690 || ! bfd_set_section_flags (abfd, s, flags | SEC_READONLY)
2691 || ! bfd_set_section_alignment (abfd, s, 2))
2695 htab->relplt = bfd_get_section_by_name (abfd, ".rela.plt");
2696 htab->plt = s = bfd_get_section_by_name (abfd, ".plt");
2700 flags = SEC_ALLOC | SEC_CODE | SEC_IN_MEMORY | SEC_LINKER_CREATED;
2701 return bfd_set_section_flags (abfd, s, flags);
2704 /* Adjust a symbol defined by a dynamic object and referenced by a
2705 regular object. The current definition is in some section of the
2706 dynamic object, but we're not including those sections. We have to
2707 change the definition to something the rest of the link can
2711 ppc_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
2712 struct elf_link_hash_entry *h)
2714 struct ppc_elf_link_hash_table *htab;
2716 unsigned int power_of_two;
2719 fprintf (stderr, "ppc_elf_adjust_dynamic_symbol called for %s\n",
2720 h->root.root.string);
2723 /* Make sure we know what is going on here. */
2724 htab = ppc_elf_hash_table (info);
2725 BFD_ASSERT (htab->elf.dynobj != NULL
2726 && ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT)
2727 || h->weakdef != NULL
2728 || ((h->elf_link_hash_flags
2729 & ELF_LINK_HASH_DEF_DYNAMIC) != 0
2730 && (h->elf_link_hash_flags
2731 & ELF_LINK_HASH_REF_REGULAR) != 0
2732 && (h->elf_link_hash_flags
2733 & ELF_LINK_HASH_DEF_REGULAR) == 0)));
2735 /* Deal with function syms. */
2736 if (h->type == STT_FUNC
2737 || (h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0)
2739 /* Clear procedure linkage table information for any symbol that
2740 won't need a .plt entry. */
2741 if (h->plt.refcount <= 0
2742 || SYMBOL_CALLS_LOCAL (info, h)
2743 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2744 && h->root.type == bfd_link_hash_undefweak))
2746 /* A PLT entry is not required/allowed when:
2748 1. We are not using ld.so; because then the PLT entry
2749 can't be set up, so we can't use one. In this case,
2750 ppc_elf_adjust_dynamic_symbol won't even be called.
2752 2. GC has rendered the entry unused.
2754 3. We know for certain that a call to this symbol
2755 will go to this object, or will remain undefined. */
2756 h->plt.offset = (bfd_vma) -1;
2757 h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
2762 h->plt.offset = (bfd_vma) -1;
2764 /* If this is a weak symbol, and there is a real definition, the
2765 processor independent code will have arranged for us to see the
2766 real definition first, and we can just use the same value. */
2767 if (h->weakdef != NULL)
2769 BFD_ASSERT (h->weakdef->root.type == bfd_link_hash_defined
2770 || h->weakdef->root.type == bfd_link_hash_defweak);
2771 h->root.u.def.section = h->weakdef->root.u.def.section;
2772 h->root.u.def.value = h->weakdef->root.u.def.value;
2773 if (ELIMINATE_COPY_RELOCS)
2774 h->elf_link_hash_flags
2775 = ((h->elf_link_hash_flags & ~ELF_LINK_NON_GOT_REF)
2776 | (h->weakdef->elf_link_hash_flags & ELF_LINK_NON_GOT_REF));
2780 /* This is a reference to a symbol defined by a dynamic object which
2781 is not a function. */
2783 /* If we are creating a shared library, we must presume that the
2784 only references to the symbol are via the global offset table.
2785 For such cases we need not do anything here; the relocations will
2786 be handled correctly by relocate_section. */
2790 /* If there are no references to this symbol that do not use the
2791 GOT, we don't need to generate a copy reloc. */
2792 if ((h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0)
2795 if (ELIMINATE_COPY_RELOCS)
2797 struct ppc_elf_dyn_relocs *p;
2798 for (p = ppc_elf_hash_entry (h)->dyn_relocs; p != NULL; p = p->next)
2800 s = p->sec->output_section;
2801 if (s != NULL && (s->flags & SEC_READONLY) != 0)
2805 /* If we didn't find any dynamic relocs in read-only sections, then
2806 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
2809 h->elf_link_hash_flags &= ~ELF_LINK_NON_GOT_REF;
2814 /* We must allocate the symbol in our .dynbss section, which will
2815 become part of the .bss section of the executable. There will be
2816 an entry for this symbol in the .dynsym section. The dynamic
2817 object will contain position independent code, so all references
2818 from the dynamic object to this symbol will go through the global
2819 offset table. The dynamic linker will use the .dynsym entry to
2820 determine the address it must put in the global offset table, so
2821 both the dynamic object and the regular object will refer to the
2822 same memory location for the variable.
2824 Of course, if the symbol is sufficiently small, we must instead
2825 allocate it in .sbss. FIXME: It would be better to do this if and
2826 only if there were actually SDAREL relocs for that symbol. */
2828 if (h->size <= elf_gp_size (htab->elf.dynobj))
2832 BFD_ASSERT (s != NULL);
2834 /* We must generate a R_PPC_COPY reloc to tell the dynamic linker to
2835 copy the initial value out of the dynamic object and into the
2836 runtime process image. We need to remember the offset into the
2837 .rela.bss section we are going to use. */
2838 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
2842 if (h->size <= elf_gp_size (htab->elf.dynobj))
2843 srel = htab->relsbss;
2845 srel = htab->relbss;
2846 BFD_ASSERT (srel != NULL);
2847 srel->_raw_size += sizeof (Elf32_External_Rela);
2848 h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_COPY;
2851 /* We need to figure out the alignment required for this symbol. I
2852 have no idea how ELF linkers handle this. */
2853 power_of_two = bfd_log2 (h->size);
2854 if (power_of_two > 4)
2857 /* Apply the required alignment. */
2858 s->_raw_size = BFD_ALIGN (s->_raw_size,
2859 (bfd_size_type) (1 << power_of_two));
2860 if (power_of_two > bfd_get_section_alignment (htab->elf.dynobj, s))
2862 if (! bfd_set_section_alignment (htab->elf.dynobj, s, power_of_two))
2866 /* Define the symbol as being at this point in the section. */
2867 h->root.u.def.section = s;
2868 h->root.u.def.value = s->_raw_size;
2870 /* Increment the section size to make room for the symbol. */
2871 s->_raw_size += h->size;
2876 /* This is the condition under which finish_dynamic_symbol will be
2877 called from elflink.h. If elflink.h doesn't call our
2878 finish_dynamic_symbol routine, we'll need to do something about
2879 initializing any .plt and .got entries in relocate_section. */
2880 #define WILL_CALL_FINISH_DYNAMIC_SYMBOL(DYN, SHARED, H) \
2883 || ((H)->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0) \
2884 && ((H)->dynindx != -1 \
2885 || ((H)->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0))
2887 /* Of those relocs that might be copied as dynamic relocs, this macro
2888 selects those that must be copied when linking a shared library,
2889 even when the symbol is local. */
2891 #define MUST_BE_DYN_RELOC(RTYPE) \
2892 ((RTYPE) != R_PPC_REL24 \
2893 && (RTYPE) != R_PPC_REL14 \
2894 && (RTYPE) != R_PPC_REL14_BRTAKEN \
2895 && (RTYPE) != R_PPC_REL14_BRNTAKEN \
2896 && (RTYPE) != R_PPC_REL32)
2898 /* Allocate space in associated reloc sections for dynamic relocs. */
2901 allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
2903 struct bfd_link_info *info = inf;
2904 struct ppc_elf_link_hash_entry *eh;
2905 struct ppc_elf_link_hash_table *htab;
2906 struct ppc_elf_dyn_relocs *p;
2908 if (h->root.type == bfd_link_hash_indirect)
2911 if (h->root.type == bfd_link_hash_warning)
2912 /* When warning symbols are created, they **replace** the "real"
2913 entry in the hash table, thus we never get to see the real
2914 symbol in a hash traversal. So look at it now. */
2915 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2917 htab = ppc_elf_hash_table (info);
2918 if (htab->elf.dynamic_sections_created
2919 && h->plt.refcount > 0)
2921 /* Make sure this symbol is output as a dynamic symbol. */
2922 if (h->dynindx == -1
2923 && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
2925 if (! bfd_elf32_link_record_dynamic_symbol (info, h))
2930 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h))
2932 asection *s = htab->plt;
2934 /* If this is the first .plt entry, make room for the special
2936 if (s->_raw_size == 0)
2937 s->_raw_size += PLT_INITIAL_ENTRY_SIZE;
2939 /* The PowerPC PLT is actually composed of two parts, the
2940 first part is 2 words (for a load and a jump), and then
2941 there is a remaining word available at the end. */
2942 h->plt.offset = (PLT_INITIAL_ENTRY_SIZE
2944 * ((s->_raw_size - PLT_INITIAL_ENTRY_SIZE)
2945 / PLT_ENTRY_SIZE)));
2947 /* If this symbol is not defined in a regular file, and we
2948 are not generating a shared library, then set the symbol
2949 to this location in the .plt. This is required to make
2950 function pointers compare as equal between the normal
2951 executable and the shared library. */
2953 && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
2955 h->root.u.def.section = s;
2956 h->root.u.def.value = h->plt.offset;
2959 /* Make room for this entry. After the 8192nd entry, room
2960 for two entries is allocated. */
2961 s->_raw_size += PLT_ENTRY_SIZE;
2962 if ((s->_raw_size - PLT_INITIAL_ENTRY_SIZE) / PLT_ENTRY_SIZE
2963 > PLT_NUM_SINGLE_ENTRIES)
2964 s->_raw_size += PLT_ENTRY_SIZE;
2966 /* We also need to make an entry in the .rela.plt section. */
2967 htab->relplt->_raw_size += sizeof (Elf32_External_Rela);
2971 h->plt.offset = (bfd_vma) -1;
2972 h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
2977 h->plt.offset = (bfd_vma) -1;
2978 h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
2981 eh = (struct ppc_elf_link_hash_entry *) h;
2982 if (eh->elf.got.refcount > 0)
2984 /* Make sure this symbol is output as a dynamic symbol. */
2985 if (eh->elf.dynindx == -1
2986 && (eh->elf.elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
2988 if (!bfd_elf32_link_record_dynamic_symbol (info, &eh->elf))
2992 if (eh->tls_mask == (TLS_TLS | TLS_LD)
2993 && !(eh->elf.elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC))
2994 /* If just an LD reloc, we'll just use htab->tlsld_got.offset. */
2995 eh->elf.got.offset = (bfd_vma) -1;
2999 eh->elf.got.offset = htab->got->_raw_size;
3000 if ((eh->tls_mask & TLS_TLS) != 0)
3002 if ((eh->tls_mask & TLS_LD) != 0)
3003 htab->got->_raw_size += 8;
3004 if ((eh->tls_mask & TLS_GD) != 0)
3005 htab->got->_raw_size += 8;
3006 if ((eh->tls_mask & (TLS_TPREL | TLS_TPRELGD)) != 0)
3007 htab->got->_raw_size += 4;
3008 if ((eh->tls_mask & TLS_DTPREL) != 0)
3009 htab->got->_raw_size += 4;
3012 htab->got->_raw_size += 4;
3013 dyn = htab->elf.dynamic_sections_created;
3015 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, &eh->elf))
3016 && (ELF_ST_VISIBILITY (eh->elf.other) == STV_DEFAULT
3017 || eh->elf.root.type != bfd_link_hash_undefweak))
3019 /* All the entries we allocated need relocs. */
3020 htab->relgot->_raw_size
3021 += ((htab->got->_raw_size - eh->elf.got.offset) / 4
3022 * sizeof (Elf32_External_Rela));
3023 /* Except LD only needs one. */
3024 if ((eh->tls_mask & TLS_LD) != 0)
3025 htab->relgot->_raw_size -= sizeof (Elf32_External_Rela);
3030 eh->elf.got.offset = (bfd_vma) -1;
3032 if (eh->dyn_relocs == NULL)
3035 /* In the shared -Bsymbolic case, discard space allocated for
3036 dynamic pc-relative relocs against symbols which turn out to be
3037 defined in regular objects. For the normal shared case, discard
3038 space for relocs that have become local due to symbol visibility
3043 /* Relocs that use pc_count are those that appear on a call insn,
3044 or certain REL relocs (see MUST_BE_DYN_RELOC) that can be
3045 generated via assembly. We want calls to protected symbols to
3046 resolve directly to the function rather than going via the plt.
3047 If people want function pointer comparisons to work as expected
3048 then they should avoid writing weird assembly. */
3049 if (SYMBOL_CALLS_LOCAL (info, h))
3051 struct ppc_elf_dyn_relocs **pp;
3053 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
3055 p->count -= p->pc_count;
3064 /* Also discard relocs on undefined weak syms with non-default
3066 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
3067 && h->root.type == bfd_link_hash_undefweak)
3068 eh->dyn_relocs = NULL;
3070 else if (ELIMINATE_COPY_RELOCS)
3072 /* For the non-shared case, discard space for relocs against
3073 symbols which turn out to need copy relocs or are not
3076 if ((h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0
3077 && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0
3078 && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
3080 /* Make sure this symbol is output as a dynamic symbol.
3081 Undefined weak syms won't yet be marked as dynamic. */
3082 if (h->dynindx == -1
3083 && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
3085 if (! bfd_elf64_link_record_dynamic_symbol (info, h))
3089 /* If that succeeded, we know we'll be keeping all the
3091 if (h->dynindx != -1)
3095 eh->dyn_relocs = NULL;
3100 /* Finally, allocate space. */
3101 for (p = eh->dyn_relocs; p != NULL; p = p->next)
3103 asection *sreloc = elf_section_data (p->sec)->sreloc;
3104 sreloc->_raw_size += p->count * sizeof (Elf32_External_Rela);
3110 /* Find any dynamic relocs that apply to read-only sections. */
3113 readonly_dynrelocs (struct elf_link_hash_entry *h, void *info)
3115 struct ppc_elf_dyn_relocs *p;
3117 if (h->root.type == bfd_link_hash_indirect)
3120 if (h->root.type == bfd_link_hash_warning)
3121 h = (struct elf_link_hash_entry *) h->root.u.i.link;
3123 for (p = ppc_elf_hash_entry (h)->dyn_relocs; p != NULL; p = p->next)
3125 asection *s = p->sec->output_section;
3128 && ((s->flags & (SEC_READONLY | SEC_ALLOC))
3129 == (SEC_READONLY | SEC_ALLOC)))
3131 ((struct bfd_link_info *) info)->flags |= DF_TEXTREL;
3133 /* Not an error, just cut short the traversal. */
3140 /* Set the sizes of the dynamic sections. */
3143 ppc_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
3144 struct bfd_link_info *info)
3146 struct ppc_elf_link_hash_table *htab;
3152 fprintf (stderr, "ppc_elf_size_dynamic_sections called\n");
3155 htab = ppc_elf_hash_table (info);
3156 BFD_ASSERT (htab->elf.dynobj != NULL);
3158 if (elf_hash_table (info)->dynamic_sections_created)
3160 /* Set the contents of the .interp section to the interpreter. */
3161 if (info->executable)
3163 s = bfd_get_section_by_name (htab->elf.dynobj, ".interp");
3164 BFD_ASSERT (s != NULL);
3165 s->_raw_size = sizeof ELF_DYNAMIC_INTERPRETER;
3166 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
3170 if (htab->tlsld_got.refcount > 0)
3172 htab->tlsld_got.offset = htab->got->_raw_size;
3173 htab->got->_raw_size += 8;
3175 htab->relgot->_raw_size += sizeof (Elf32_External_Rela);
3178 htab->tlsld_got.offset = (bfd_vma) -1;
3180 /* Set up .got offsets for local syms, and space for local dynamic
3182 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
3184 bfd_signed_vma *local_got;
3185 bfd_signed_vma *end_local_got;
3187 bfd_size_type locsymcount;
3188 Elf_Internal_Shdr *symtab_hdr;
3191 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour)
3194 for (s = ibfd->sections; s != NULL; s = s->next)
3196 struct ppc_elf_dyn_relocs *p;
3198 for (p = ((struct ppc_elf_dyn_relocs *)
3199 elf_section_data (s)->local_dynrel);
3203 if (!bfd_is_abs_section (p->sec)
3204 && bfd_is_abs_section (p->sec->output_section))
3206 /* Input section has been discarded, either because
3207 it is a copy of a linkonce section or due to
3208 linker script /DISCARD/, so we'll be discarding
3211 else if (p->count != 0)
3213 elf_section_data (p->sec)->sreloc->_raw_size
3214 += p->count * sizeof (Elf32_External_Rela);
3215 if ((p->sec->output_section->flags
3216 & (SEC_READONLY | SEC_ALLOC))
3217 == (SEC_READONLY | SEC_ALLOC))
3218 info->flags |= DF_TEXTREL;
3223 local_got = elf_local_got_refcounts (ibfd);
3227 symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
3228 locsymcount = symtab_hdr->sh_info;
3229 end_local_got = local_got + locsymcount;
3230 lgot_masks = (char *) end_local_got;
3232 srel = htab->relgot;
3233 for (; local_got < end_local_got; ++local_got, ++lgot_masks)
3236 if (*lgot_masks == (TLS_TLS | TLS_LD))
3238 /* If just an LD reloc, we'll just use
3239 htab->tlsld_got.offset. */
3240 if (htab->tlsld_got.offset == (bfd_vma) -1)
3242 htab->tlsld_got.offset = s->_raw_size;
3245 srel->_raw_size += sizeof (Elf32_External_Rela);
3247 *local_got = (bfd_vma) -1;
3251 *local_got = s->_raw_size;
3252 if ((*lgot_masks & TLS_TLS) != 0)
3254 if ((*lgot_masks & TLS_GD) != 0)
3256 if ((*lgot_masks & (TLS_TPREL | TLS_TPRELGD)) != 0)
3258 if ((*lgot_masks & TLS_DTPREL) != 0)
3264 srel->_raw_size += ((s->_raw_size - *local_got) / 4
3265 * sizeof (Elf32_External_Rela));
3269 *local_got = (bfd_vma) -1;
3272 /* Allocate space for global sym dynamic relocs. */
3273 elf_link_hash_traverse (elf_hash_table (info), allocate_dynrelocs, info);
3275 /* We've now determined the sizes of the various dynamic sections.
3276 Allocate memory for them. */
3278 for (s = htab->elf.dynobj->sections; s != NULL; s = s->next)
3280 if ((s->flags & SEC_LINKER_CREATED) == 0)
3285 || (htab->sdata != NULL && s == htab->sdata->section)
3286 || (htab->sdata2 != NULL && s == htab->sdata2->section))
3288 /* Strip this section if we don't need it; see the
3291 else if (strncmp (bfd_get_section_name (dynobj, s), ".rela", 5) == 0)
3293 if (s->_raw_size == 0)
3295 /* If we don't need this section, strip it from the
3296 output file. This is mostly to handle .rela.bss and
3297 .rela.plt. We must create both sections in
3298 create_dynamic_sections, because they must be created
3299 before the linker maps input sections to output
3300 sections. The linker does that before
3301 adjust_dynamic_symbol is called, and it is that
3302 function which decides whether anything needs to go
3303 into these sections. */
3307 /* Remember whether there are any relocation sections. */
3310 /* We use the reloc_count field as a counter if we need
3311 to copy relocs into the output file. */
3317 /* It's not one of our sections, so don't allocate space. */
3321 if (s->_raw_size == 0)
3323 _bfd_strip_section_from_output (info, s);
3327 /* Allocate memory for the section contents. */
3328 s->contents = bfd_zalloc (htab->elf.dynobj, s->_raw_size);
3329 if (s->contents == NULL)
3333 if (htab->elf.dynamic_sections_created)
3335 /* Add some entries to the .dynamic section. We fill in the
3336 values later, in ppc_elf_finish_dynamic_sections, but we
3337 must add the entries now so that we get the correct size for
3338 the .dynamic section. The DT_DEBUG entry is filled in by the
3339 dynamic linker and used by the debugger. */
3340 #define add_dynamic_entry(TAG, VAL) \
3341 bfd_elf32_add_dynamic_entry (info, (TAG), (VAL))
3343 if (info->executable)
3345 if (!add_dynamic_entry (DT_DEBUG, 0))
3349 if (htab->plt != NULL && htab->plt->_raw_size != 0)
3351 if (!add_dynamic_entry (DT_PLTGOT, 0)
3352 || !add_dynamic_entry (DT_PLTRELSZ, 0)
3353 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
3354 || !add_dynamic_entry (DT_JMPREL, 0))
3360 if (!add_dynamic_entry (DT_RELA, 0)
3361 || !add_dynamic_entry (DT_RELASZ, 0)
3362 || !add_dynamic_entry (DT_RELAENT, sizeof (Elf32_External_Rela)))
3366 /* If any dynamic relocs apply to a read-only section, then we
3367 need a DT_TEXTREL entry. */
3368 if ((info->flags & DF_TEXTREL) == 0)
3369 elf_link_hash_traverse (elf_hash_table (info), readonly_dynrelocs,
3372 if ((info->flags & DF_TEXTREL) != 0)
3374 if (!add_dynamic_entry (DT_TEXTREL, 0))
3378 #undef add_dynamic_entry
3384 update_local_sym_info (bfd *abfd,
3385 Elf_Internal_Shdr *symtab_hdr,
3386 unsigned long r_symndx,
3389 bfd_signed_vma *local_got_refcounts = elf_local_got_refcounts (abfd);
3390 char *local_got_tls_masks;
3392 if (local_got_refcounts == NULL)
3394 bfd_size_type size = symtab_hdr->sh_info;
3396 size *= sizeof (*local_got_refcounts) + sizeof (*local_got_tls_masks);
3397 local_got_refcounts = bfd_zalloc (abfd, size);
3398 if (local_got_refcounts == NULL)
3400 elf_local_got_refcounts (abfd) = local_got_refcounts;
3403 local_got_refcounts[r_symndx] += 1;
3404 local_got_tls_masks = (char *) (local_got_refcounts + symtab_hdr->sh_info);
3405 local_got_tls_masks[r_symndx] |= tls_type;
3410 bad_shared_reloc (bfd *abfd, enum elf_ppc_reloc_type r_type)
3412 (*_bfd_error_handler)
3413 (_("%s: relocation %s cannot be used when making a shared object"),
3414 bfd_archive_filename (abfd),
3415 ppc_elf_howto_table[r_type]->name);
3416 bfd_set_error (bfd_error_bad_value);
3419 /* Look through the relocs for a section during the first phase, and
3420 allocate space in the global offset table or procedure linkage
3424 ppc_elf_check_relocs (bfd *abfd,
3425 struct bfd_link_info *info,
3427 const Elf_Internal_Rela *relocs)
3429 struct ppc_elf_link_hash_table *htab;
3430 Elf_Internal_Shdr *symtab_hdr;
3431 struct elf_link_hash_entry **sym_hashes;
3432 const Elf_Internal_Rela *rel;
3433 const Elf_Internal_Rela *rel_end;
3436 if (info->relocatable)
3440 fprintf (stderr, "ppc_elf_check_relocs called for section %s in %s\n",
3441 bfd_get_section_name (abfd, sec),
3442 bfd_archive_filename (abfd));
3445 /* Initialize howto table if not already done. */
3446 if (!ppc_elf_howto_table[R_PPC_ADDR32])
3447 ppc_elf_howto_init ();
3449 /* Create the linker generated sections all the time so that the
3450 special symbols are created. */
3451 htab = ppc_elf_hash_table (info);
3452 if (htab->sdata == NULL)
3454 htab->sdata = ppc_elf_create_linker_section (abfd, info,
3455 LINKER_SECTION_SDATA);
3456 if (htab->sdata == NULL)
3460 if (htab->sdata2 == NULL)
3462 htab->sdata2 = ppc_elf_create_linker_section (abfd, info,
3463 LINKER_SECTION_SDATA2);
3464 if (htab->sdata2 == NULL)
3468 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
3469 sym_hashes = elf_sym_hashes (abfd);
3472 rel_end = relocs + sec->reloc_count;
3473 for (rel = relocs; rel < rel_end; rel++)
3475 unsigned long r_symndx;
3476 enum elf_ppc_reloc_type r_type;
3477 struct elf_link_hash_entry *h;
3480 r_symndx = ELF32_R_SYM (rel->r_info);
3481 if (r_symndx < symtab_hdr->sh_info)
3484 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
3486 /* If a relocation refers to _GLOBAL_OFFSET_TABLE_, create the .got.
3487 This shows up in particular in an R_PPC_ADDR32 in the eabi
3489 if (h && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
3491 if (htab->got == NULL)
3493 if (htab->elf.dynobj == NULL)
3494 htab->elf.dynobj = abfd;
3495 if (!ppc_elf_create_got (htab->elf.dynobj, info))
3500 r_type = ELF32_R_TYPE (rel->r_info);
3503 case R_PPC_GOT_TLSLD16:
3504 case R_PPC_GOT_TLSLD16_LO:
3505 case R_PPC_GOT_TLSLD16_HI:
3506 case R_PPC_GOT_TLSLD16_HA:
3507 htab->tlsld_got.refcount += 1;
3508 tls_type = TLS_TLS | TLS_LD;
3511 case R_PPC_GOT_TLSGD16:
3512 case R_PPC_GOT_TLSGD16_LO:
3513 case R_PPC_GOT_TLSGD16_HI:
3514 case R_PPC_GOT_TLSGD16_HA:
3515 tls_type = TLS_TLS | TLS_GD;
3518 case R_PPC_GOT_TPREL16:
3519 case R_PPC_GOT_TPREL16_LO:
3520 case R_PPC_GOT_TPREL16_HI:
3521 case R_PPC_GOT_TPREL16_HA:
3523 info->flags |= DF_STATIC_TLS;
3524 tls_type = TLS_TLS | TLS_TPREL;
3527 case R_PPC_GOT_DTPREL16:
3528 case R_PPC_GOT_DTPREL16_LO:
3529 case R_PPC_GOT_DTPREL16_HI:
3530 case R_PPC_GOT_DTPREL16_HA:
3531 tls_type = TLS_TLS | TLS_DTPREL;
3533 sec->has_tls_reloc = 1;
3536 /* GOT16 relocations */
3538 case R_PPC_GOT16_LO:
3539 case R_PPC_GOT16_HI:
3540 case R_PPC_GOT16_HA:
3541 /* This symbol requires a global offset table entry. */
3542 if (htab->got == NULL)
3544 if (htab->elf.dynobj == NULL)
3545 htab->elf.dynobj = abfd;
3546 if (!ppc_elf_create_got (htab->elf.dynobj, info))
3551 h->got.refcount += 1;
3552 ppc_elf_hash_entry (h)->tls_mask |= tls_type;
3555 /* This is a global offset table entry for a local symbol. */
3556 if (!update_local_sym_info (abfd, symtab_hdr, r_symndx, tls_type))
3560 /* Indirect .sdata relocation. */
3561 case R_PPC_EMB_SDAI16:
3564 bad_shared_reloc (abfd, r_type);
3567 if (!elf_create_pointer_linker_section (abfd, info,
3568 htab->sdata, h, rel))
3572 /* Indirect .sdata2 relocation. */
3573 case R_PPC_EMB_SDA2I16:
3576 bad_shared_reloc (abfd, r_type);
3579 if (!elf_create_pointer_linker_section (abfd, info,
3580 htab->sdata2, h, rel))
3584 case R_PPC_SDAREL16:
3585 case R_PPC_EMB_SDA2REL:
3586 case R_PPC_EMB_SDA21:
3587 case R_PPC_EMB_RELSDA:
3588 case R_PPC_EMB_NADDR32:
3589 case R_PPC_EMB_NADDR16:
3590 case R_PPC_EMB_NADDR16_LO:
3591 case R_PPC_EMB_NADDR16_HI:
3592 case R_PPC_EMB_NADDR16_HA:
3595 bad_shared_reloc (abfd, r_type);
3601 case R_PPC_PLTREL24:
3602 case R_PPC_PLTREL32:
3603 case R_PPC_PLT16_LO:
3604 case R_PPC_PLT16_HI:
3605 case R_PPC_PLT16_HA:
3607 fprintf (stderr, "Reloc requires a PLT entry\n");
3609 /* This symbol requires a procedure linkage table entry. We
3610 actually build the entry in finish_dynamic_symbol,
3611 because this might be a case of linking PIC code without
3612 linking in any dynamic objects, in which case we don't
3613 need to generate a procedure linkage table after all. */
3617 /* It does not make sense to have a procedure linkage
3618 table entry for a local symbol. */
3619 (*_bfd_error_handler) (_("%s(%s+0x%lx): %s reloc against "
3621 bfd_archive_filename (abfd),
3623 (long) rel->r_offset,
3624 ppc_elf_howto_table[r_type]->name);
3625 bfd_set_error (bfd_error_bad_value);
3629 h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT;
3633 /* The following relocations don't need to propagate the
3634 relocation if linking a shared object since they are
3635 section relative. */
3637 case R_PPC_SECTOFF_LO:
3638 case R_PPC_SECTOFF_HI:
3639 case R_PPC_SECTOFF_HA:
3640 case R_PPC_DTPREL16:
3641 case R_PPC_DTPREL16_LO:
3642 case R_PPC_DTPREL16_HI:
3643 case R_PPC_DTPREL16_HA:
3647 /* This are just markers. */
3649 case R_PPC_EMB_MRKREF:
3654 /* These should only appear in dynamic objects. */
3656 case R_PPC_GLOB_DAT:
3657 case R_PPC_JMP_SLOT:
3658 case R_PPC_RELATIVE:
3661 /* These aren't handled yet. We'll report an error later. */
3663 case R_PPC_EMB_RELSEC16:
3664 case R_PPC_EMB_RELST_LO:
3665 case R_PPC_EMB_RELST_HI:
3666 case R_PPC_EMB_RELST_HA:
3667 case R_PPC_EMB_BIT_FLD:
3670 /* This refers only to functions defined in the shared library. */
3671 case R_PPC_LOCAL24PC:
3674 /* This relocation describes the C++ object vtable hierarchy.
3675 Reconstruct it for later use during GC. */
3676 case R_PPC_GNU_VTINHERIT:
3677 if (!_bfd_elf32_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
3681 /* This relocation describes which C++ vtable entries are actually
3682 used. Record for later use during GC. */
3683 case R_PPC_GNU_VTENTRY:
3684 if (!_bfd_elf32_gc_record_vtentry (abfd, sec, h, rel->r_addend))
3688 /* We shouldn't really be seeing these. */
3691 info->flags |= DF_STATIC_TLS;
3695 case R_PPC_DTPMOD32:
3696 case R_PPC_DTPREL32:
3700 case R_PPC_TPREL16_LO:
3701 case R_PPC_TPREL16_HI:
3702 case R_PPC_TPREL16_HA:
3704 info->flags |= DF_STATIC_TLS;
3707 /* When creating a shared object, we must copy these
3708 relocs into the output file. We create a reloc
3709 section in dynobj and make room for the reloc. */
3712 case R_PPC_REL14_BRTAKEN:
3713 case R_PPC_REL14_BRNTAKEN:
3716 || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
3723 case R_PPC_ADDR16_LO:
3724 case R_PPC_ADDR16_HI:
3725 case R_PPC_ADDR16_HA:
3727 case R_PPC_ADDR14_BRTAKEN:
3728 case R_PPC_ADDR14_BRNTAKEN:
3731 if (h != NULL && !info->shared)
3733 /* We may need a plt entry if the symbol turns out to be
3734 a function defined in a dynamic object. */
3737 /* We may need a copy reloc too. */
3738 h->elf_link_hash_flags |= ELF_LINK_NON_GOT_REF;
3742 /* If we are creating a shared library, and this is a reloc
3743 against a global symbol, or a non PC relative reloc
3744 against a local symbol, then we need to copy the reloc
3745 into the shared library. However, if we are linking with
3746 -Bsymbolic, we do not need to copy a reloc against a
3747 global symbol which is defined in an object we are
3748 including in the link (i.e., DEF_REGULAR is set). At
3749 this point we have not seen all the input files, so it is
3750 possible that DEF_REGULAR is not set now but will be set
3751 later (it is never cleared). In case of a weak definition,
3752 DEF_REGULAR may be cleared later by a strong definition in
3753 a shared library. We account for that possibility below by
3754 storing information in the dyn_relocs field of the hash
3755 table entry. A similar situation occurs when creating
3756 shared libraries and symbol visibility changes render the
3759 If on the other hand, we are creating an executable, we
3760 may need to keep relocations for symbols satisfied by a
3761 dynamic library if we manage to avoid copy relocs for the
3764 && (MUST_BE_DYN_RELOC (r_type)
3766 && (! info->symbolic
3767 || h->root.type == bfd_link_hash_defweak
3768 || (h->elf_link_hash_flags
3769 & ELF_LINK_HASH_DEF_REGULAR) == 0))))
3770 || (ELIMINATE_COPY_RELOCS
3772 && (sec->flags & SEC_ALLOC) != 0
3774 && (h->root.type == bfd_link_hash_defweak
3775 || (h->elf_link_hash_flags
3776 & ELF_LINK_HASH_DEF_REGULAR) == 0)))
3778 struct ppc_elf_dyn_relocs *p;
3779 struct ppc_elf_dyn_relocs **head;
3783 "ppc_elf_check_relocs needs to "
3784 "create relocation for %s\n",
3785 (h && h->root.root.string
3786 ? h->root.root.string : "<unknown>"));
3792 name = (bfd_elf_string_from_elf_section
3794 elf_elfheader (abfd)->e_shstrndx,
3795 elf_section_data (sec)->rel_hdr.sh_name));
3799 BFD_ASSERT (strncmp (name, ".rela", 5) == 0
3800 && strcmp (bfd_get_section_name (abfd, sec),
3803 sreloc = bfd_get_section_by_name (htab->elf.dynobj, name);
3808 sreloc = bfd_make_section (htab->elf.dynobj, name);
3809 flags = (SEC_HAS_CONTENTS | SEC_READONLY
3810 | SEC_IN_MEMORY | SEC_LINKER_CREATED);
3811 if ((sec->flags & SEC_ALLOC) != 0)
3812 flags |= SEC_ALLOC | SEC_LOAD;
3814 || ! bfd_set_section_flags (htab->elf.dynobj,
3816 || ! bfd_set_section_alignment (htab->elf.dynobj,
3820 elf_section_data (sec)->sreloc = sreloc;
3823 /* If this is a global symbol, we count the number of
3824 relocations we need for this symbol. */
3827 head = &ppc_elf_hash_entry (h)->dyn_relocs;
3831 /* Track dynamic relocs needed for local syms too.
3832 We really need local syms available to do this
3836 s = bfd_section_from_r_symndx (abfd, &htab->sym_sec,
3841 head = ((struct ppc_elf_dyn_relocs **)
3842 &elf_section_data (s)->local_dynrel);
3846 if (p == NULL || p->sec != sec)
3848 p = bfd_alloc (htab->elf.dynobj, sizeof *p);
3859 if (!MUST_BE_DYN_RELOC (r_type))
3870 /* Return the section that should be marked against GC for a given
3874 ppc_elf_gc_mark_hook (asection *sec,
3875 struct bfd_link_info *info ATTRIBUTE_UNUSED,
3876 Elf_Internal_Rela *rel,
3877 struct elf_link_hash_entry *h,
3878 Elf_Internal_Sym *sym)
3882 switch (ELF32_R_TYPE (rel->r_info))
3884 case R_PPC_GNU_VTINHERIT:
3885 case R_PPC_GNU_VTENTRY:
3889 switch (h->root.type)
3891 case bfd_link_hash_defined:
3892 case bfd_link_hash_defweak:
3893 return h->root.u.def.section;
3895 case bfd_link_hash_common:
3896 return h->root.u.c.p->section;
3904 return bfd_section_from_elf_index (sec->owner, sym->st_shndx);
3909 /* Update the got, plt and dynamic reloc reference counts for the
3910 section being removed. */
3913 ppc_elf_gc_sweep_hook (bfd *abfd,
3914 struct bfd_link_info *info,
3916 const Elf_Internal_Rela *relocs)
3918 struct ppc_elf_link_hash_table *htab;
3919 Elf_Internal_Shdr *symtab_hdr;
3920 struct elf_link_hash_entry **sym_hashes;
3921 bfd_signed_vma *local_got_refcounts;
3922 const Elf_Internal_Rela *rel, *relend;
3924 elf_section_data (sec)->local_dynrel = NULL;
3926 htab = ppc_elf_hash_table (info);
3927 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
3928 sym_hashes = elf_sym_hashes (abfd);
3929 local_got_refcounts = elf_local_got_refcounts (abfd);
3931 relend = relocs + sec->reloc_count;
3932 for (rel = relocs; rel < relend; rel++)
3934 unsigned long r_symndx;
3935 enum elf_ppc_reloc_type r_type;
3936 struct elf_link_hash_entry *h = NULL;
3938 r_symndx = ELF32_R_SYM (rel->r_info);
3939 if (r_symndx >= symtab_hdr->sh_info)
3941 struct ppc_elf_dyn_relocs **pp, *p;
3942 struct ppc_elf_link_hash_entry *eh;
3944 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
3945 eh = (struct ppc_elf_link_hash_entry *) h;
3947 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
3950 /* Everything must go for SEC. */
3956 r_type = ELF32_R_TYPE (rel->r_info);
3959 case R_PPC_GOT_TLSLD16:
3960 case R_PPC_GOT_TLSLD16_LO:
3961 case R_PPC_GOT_TLSLD16_HI:
3962 case R_PPC_GOT_TLSLD16_HA:
3963 htab->tlsld_got.refcount -= 1;
3966 case R_PPC_GOT_TLSGD16:
3967 case R_PPC_GOT_TLSGD16_LO:
3968 case R_PPC_GOT_TLSGD16_HI:
3969 case R_PPC_GOT_TLSGD16_HA:
3970 case R_PPC_GOT_TPREL16:
3971 case R_PPC_GOT_TPREL16_LO:
3972 case R_PPC_GOT_TPREL16_HI:
3973 case R_PPC_GOT_TPREL16_HA:
3974 case R_PPC_GOT_DTPREL16:
3975 case R_PPC_GOT_DTPREL16_LO:
3976 case R_PPC_GOT_DTPREL16_HI:
3977 case R_PPC_GOT_DTPREL16_HA:
3979 case R_PPC_GOT16_LO:
3980 case R_PPC_GOT16_HI:
3981 case R_PPC_GOT16_HA:
3984 if (h->got.refcount > 0)
3987 else if (local_got_refcounts != NULL)
3989 if (local_got_refcounts[r_symndx] > 0)
3990 local_got_refcounts[r_symndx]--;
3996 case R_PPC_REL14_BRTAKEN:
3997 case R_PPC_REL14_BRNTAKEN:
4000 || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
4007 case R_PPC_ADDR16_LO:
4008 case R_PPC_ADDR16_HI:
4009 case R_PPC_ADDR16_HA:
4011 case R_PPC_ADDR14_BRTAKEN:
4012 case R_PPC_ADDR14_BRNTAKEN:
4016 case R_PPC_PLTREL24:
4017 case R_PPC_PLT16_LO:
4018 case R_PPC_PLT16_HI:
4019 case R_PPC_PLT16_HA:
4022 if (h->plt.refcount > 0)
4034 /* Set htab->tls_sec and htab->tls_get_addr. */
4037 ppc_elf_tls_setup (bfd *obfd, struct bfd_link_info *info)
4040 struct ppc_elf_link_hash_table *htab;
4042 htab = ppc_elf_hash_table (info);
4043 htab->tls_get_addr = elf_link_hash_lookup (&htab->elf, "__tls_get_addr",
4044 FALSE, FALSE, TRUE);
4046 for (tls = obfd->sections; tls != NULL; tls = tls->next)
4047 if ((tls->flags & (SEC_THREAD_LOCAL | SEC_LOAD))
4048 == (SEC_THREAD_LOCAL | SEC_LOAD))
4050 htab->tls_sec = tls;
4055 /* Run through all the TLS relocs looking for optimization
4059 ppc_elf_tls_optimize (bfd *obfd ATTRIBUTE_UNUSED,
4060 struct bfd_link_info *info)
4064 struct ppc_elf_link_hash_table *htab;
4066 if (info->relocatable || info->shared)
4069 htab = ppc_elf_hash_table (info);
4070 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
4072 Elf_Internal_Sym *locsyms = NULL;
4073 Elf_Internal_Shdr *symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
4075 for (sec = ibfd->sections; sec != NULL; sec = sec->next)
4076 if (sec->has_tls_reloc && !bfd_is_abs_section (sec->output_section))
4078 Elf_Internal_Rela *relstart, *rel, *relend;
4079 int expecting_tls_get_addr;
4081 /* Read the relocations. */
4082 relstart = _bfd_elf_link_read_relocs (ibfd, sec, NULL, NULL,
4084 if (relstart == NULL)
4087 expecting_tls_get_addr = 0;
4088 relend = relstart + sec->reloc_count;
4089 for (rel = relstart; rel < relend; rel++)
4091 enum elf_ppc_reloc_type r_type;
4092 unsigned long r_symndx;
4093 struct elf_link_hash_entry *h = NULL;
4095 char tls_set, tls_clear;
4096 bfd_boolean is_local;
4098 r_symndx = ELF32_R_SYM (rel->r_info);
4099 if (r_symndx >= symtab_hdr->sh_info)
4101 struct elf_link_hash_entry **sym_hashes;
4103 sym_hashes = elf_sym_hashes (ibfd);
4104 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
4105 while (h->root.type == bfd_link_hash_indirect
4106 || h->root.type == bfd_link_hash_warning)
4107 h = (struct elf_link_hash_entry *) h->root.u.i.link;
4112 || !(h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC))
4115 r_type = ELF32_R_TYPE (rel->r_info);
4118 case R_PPC_GOT_TLSLD16:
4119 case R_PPC_GOT_TLSLD16_LO:
4120 case R_PPC_GOT_TLSLD16_HI:
4121 case R_PPC_GOT_TLSLD16_HA:
4122 /* These relocs should never be against a symbol
4123 defined in a shared lib. Leave them alone if
4124 that turns out to be the case. */
4125 expecting_tls_get_addr = 0;
4126 htab->tlsld_got.refcount -= 1;
4133 expecting_tls_get_addr = 1;
4136 case R_PPC_GOT_TLSGD16:
4137 case R_PPC_GOT_TLSGD16_LO:
4138 case R_PPC_GOT_TLSGD16_HI:
4139 case R_PPC_GOT_TLSGD16_HA:
4145 tls_set = TLS_TLS | TLS_TPRELGD;
4147 expecting_tls_get_addr = 1;
4150 case R_PPC_GOT_TPREL16:
4151 case R_PPC_GOT_TPREL16_LO:
4152 case R_PPC_GOT_TPREL16_HI:
4153 case R_PPC_GOT_TPREL16_HA:
4154 expecting_tls_get_addr = 0;
4159 tls_clear = TLS_TPREL;
4166 case R_PPC_REL14_BRTAKEN:
4167 case R_PPC_REL14_BRNTAKEN:
4169 if (expecting_tls_get_addr
4171 && h == htab->tls_get_addr)
4173 if (h->plt.refcount > 0)
4174 h->plt.refcount -= 1;
4176 expecting_tls_get_addr = 0;
4180 expecting_tls_get_addr = 0;
4188 /* We managed to get rid of a got entry. */
4189 if (h->got.refcount > 0)
4190 h->got.refcount -= 1;
4192 tls_mask = &ppc_elf_hash_entry (h)->tls_mask;
4196 Elf_Internal_Sym *sym;
4197 bfd_signed_vma *lgot_refs;
4200 if (locsyms == NULL)
4202 locsyms = (Elf_Internal_Sym *) symtab_hdr->contents;
4203 if (locsyms == NULL)
4204 locsyms = bfd_elf_get_elf_syms (ibfd, symtab_hdr,
4205 symtab_hdr->sh_info,
4206 0, NULL, NULL, NULL);
4207 if (locsyms == NULL)
4209 if (elf_section_data (sec)->relocs != relstart)
4214 sym = locsyms + r_symndx;
4215 lgot_refs = elf_local_got_refcounts (ibfd);
4216 if (lgot_refs == NULL)
4220 /* We managed to get rid of a got entry. */
4221 if (lgot_refs[r_symndx] > 0)
4222 lgot_refs[r_symndx] -= 1;
4224 lgot_masks = (char *) (lgot_refs + symtab_hdr->sh_info);
4225 tls_mask = &lgot_masks[r_symndx];
4228 *tls_mask |= tls_set;
4229 *tls_mask &= ~tls_clear;
4232 if (elf_section_data (sec)->relocs != relstart)
4237 && (symtab_hdr->contents != (unsigned char *) locsyms))
4239 if (!info->keep_memory)
4242 symtab_hdr->contents = (unsigned char *) locsyms;
4248 /* Hook called by the linker routine which adds symbols from an object
4249 file. We use it to put .comm items in .sbss, and not .bss. */
4252 ppc_elf_add_symbol_hook (bfd *abfd,
4253 struct bfd_link_info *info,
4254 const Elf_Internal_Sym *sym,
4255 const char **namep ATTRIBUTE_UNUSED,
4256 flagword *flagsp ATTRIBUTE_UNUSED,
4260 if (sym->st_shndx == SHN_COMMON
4261 && !info->relocatable
4262 && sym->st_size <= elf_gp_size (abfd)
4263 && (info->hash->creator == abfd->xvec
4264 || info->hash->creator == abfd->xvec->alternative_target))
4266 /* Common symbols less than or equal to -G nn bytes are automatically
4268 struct ppc_elf_link_hash_table *htab;
4270 htab = ppc_elf_hash_table (info);
4271 if (htab->sbss == NULL)
4273 flagword flags = SEC_IS_COMMON;
4275 htab->sbss = bfd_make_section_anyway (abfd, ".sbss");
4276 if (htab->sbss == NULL
4277 || ! bfd_set_section_flags (abfd, htab->sbss, flags))
4282 *valp = sym->st_size;
4288 /* Finish up dynamic symbol handling. We set the contents of various
4289 dynamic sections here. */
4292 ppc_elf_finish_dynamic_symbol (bfd *output_bfd,
4293 struct bfd_link_info *info,
4294 struct elf_link_hash_entry *h,
4295 Elf_Internal_Sym *sym)
4297 struct ppc_elf_link_hash_table *htab;
4300 fprintf (stderr, "ppc_elf_finish_dynamic_symbol called for %s",
4301 h->root.root.string);
4304 htab = ppc_elf_hash_table (info);
4305 BFD_ASSERT (htab->elf.dynobj != NULL);
4307 if (h->plt.offset != (bfd_vma) -1)
4309 Elf_Internal_Rela rela;
4311 bfd_vma reloc_index;
4314 fprintf (stderr, ", plt_offset = %d", h->plt.offset);
4317 /* This symbol has an entry in the procedure linkage table. Set
4320 BFD_ASSERT (h->dynindx != -1);
4321 BFD_ASSERT (htab->plt != NULL && htab->relplt != NULL);
4323 /* We don't need to fill in the .plt. The ppc dynamic linker
4326 /* Fill in the entry in the .rela.plt section. */
4327 rela.r_offset = (htab->plt->output_section->vma
4328 + htab->plt->output_offset
4330 rela.r_info = ELF32_R_INFO (h->dynindx, R_PPC_JMP_SLOT);
4333 reloc_index = (h->plt.offset - PLT_INITIAL_ENTRY_SIZE) / PLT_SLOT_SIZE;
4334 if (reloc_index > PLT_NUM_SINGLE_ENTRIES)
4335 reloc_index -= (reloc_index - PLT_NUM_SINGLE_ENTRIES) / 2;
4336 loc = (htab->relplt->contents
4337 + reloc_index * sizeof (Elf32_External_Rela));
4338 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4340 if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
4342 /* Mark the symbol as undefined, rather than as defined in
4343 the .plt section. Leave the value alone. */
4344 sym->st_shndx = SHN_UNDEF;
4345 /* If the symbol is weak, we do need to clear the value.
4346 Otherwise, the PLT entry would provide a definition for
4347 the symbol even if the symbol wasn't defined anywhere,
4348 and so the symbol would never be NULL. */
4349 if ((h->elf_link_hash_flags & ELF_LINK_HASH_REF_REGULAR_NONWEAK)
4355 if ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_COPY) != 0)
4358 Elf_Internal_Rela rela;
4361 /* This symbols needs a copy reloc. Set it up. */
4364 fprintf (stderr, ", copy");
4367 BFD_ASSERT (h->dynindx != -1);
4369 if (h->size <= elf_gp_size (htab->elf.dynobj))
4373 BFD_ASSERT (s != NULL);
4375 rela.r_offset = (h->root.u.def.value
4376 + h->root.u.def.section->output_section->vma
4377 + h->root.u.def.section->output_offset);
4378 rela.r_info = ELF32_R_INFO (h->dynindx, R_PPC_COPY);
4380 loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela);
4381 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4385 fprintf (stderr, "\n");
4388 /* Mark some specially defined symbols as absolute. */
4389 if (strcmp (h->root.root.string, "_DYNAMIC") == 0
4390 || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0
4391 || strcmp (h->root.root.string, "_PROCEDURE_LINKAGE_TABLE_") == 0)
4392 sym->st_shndx = SHN_ABS;
4397 /* Finish up the dynamic sections. */
4400 ppc_elf_finish_dynamic_sections (bfd *output_bfd,
4401 struct bfd_link_info *info)
4404 struct ppc_elf_link_hash_table *htab;
4407 fprintf (stderr, "ppc_elf_finish_dynamic_sections called\n");
4410 htab = ppc_elf_hash_table (info);
4411 sdyn = bfd_get_section_by_name (htab->elf.dynobj, ".dynamic");
4413 if (htab->elf.dynamic_sections_created)
4415 Elf32_External_Dyn *dyncon, *dynconend;
4417 BFD_ASSERT (htab->plt != NULL && sdyn != NULL);
4419 dyncon = (Elf32_External_Dyn *) sdyn->contents;
4420 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->_raw_size);
4421 for (; dyncon < dynconend; dyncon++)
4423 Elf_Internal_Dyn dyn;
4426 bfd_elf32_swap_dyn_in (htab->elf.dynobj, dyncon, &dyn);
4432 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
4436 dyn.d_un.d_val = htab->relplt->_raw_size;
4441 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
4448 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
4452 /* Add a blrl instruction at _GLOBAL_OFFSET_TABLE_-4 so that a function can
4453 easily find the address of the _GLOBAL_OFFSET_TABLE_. */
4456 unsigned char *contents = htab->got->contents;
4457 bfd_put_32 (output_bfd, 0x4e800021 /* blrl */, contents);
4460 bfd_put_32 (output_bfd, 0, contents + 4);
4462 bfd_put_32 (output_bfd,
4463 sdyn->output_section->vma + sdyn->output_offset,
4466 elf_section_data (htab->got->output_section)->this_hdr.sh_entsize = 4;
4472 /* The RELOCATE_SECTION function is called by the ELF backend linker
4473 to handle the relocations for a section.
4475 The relocs are always passed as Rela structures; if the section
4476 actually uses Rel structures, the r_addend field will always be
4479 This function is responsible for adjust the section contents as
4480 necessary, and (if using Rela relocs and generating a
4481 relocatable output file) adjusting the reloc addend as
4484 This function does not have to worry about setting the reloc
4485 address or the reloc symbol index.
4487 LOCAL_SYMS is a pointer to the swapped in local symbols.
4489 LOCAL_SECTIONS is an array giving the section in the input file
4490 corresponding to the st_shndx field of each local symbol.
4492 The global hash table entry for the global symbols can be found
4493 via elf_sym_hashes (input_bfd).
4495 When generating relocatable output, this function must handle
4496 STB_LOCAL/STT_SECTION symbols specially. The output symbol is
4497 going to be the section symbol corresponding to the output
4498 section, which means that the addend must be adjusted
4502 ppc_elf_relocate_section (bfd *output_bfd,
4503 struct bfd_link_info *info,
4505 asection *input_section,
4507 Elf_Internal_Rela *relocs,
4508 Elf_Internal_Sym *local_syms,
4509 asection **local_sections)
4511 Elf_Internal_Shdr *symtab_hdr;
4512 struct elf_link_hash_entry **sym_hashes;
4513 struct ppc_elf_link_hash_table *htab;
4514 Elf_Internal_Rela *rel;
4515 Elf_Internal_Rela *relend;
4516 Elf_Internal_Rela outrel;
4518 asection *sreloc = NULL;
4519 bfd_vma *local_got_offsets;
4520 bfd_boolean ret = TRUE;
4523 fprintf (stderr, "ppc_elf_relocate_section called for %s section %s, "
4524 "%ld relocations%s\n",
4525 bfd_archive_filename (input_bfd),
4526 bfd_section_name(input_bfd, input_section),
4527 (long) input_section->reloc_count,
4528 (info->relocatable) ? " (relocatable)" : "");
4531 if (info->relocatable)
4534 /* Initialize howto table if not already done. */
4535 if (!ppc_elf_howto_table[R_PPC_ADDR32])
4536 ppc_elf_howto_init ();
4538 htab = ppc_elf_hash_table (info);
4539 local_got_offsets = elf_local_got_offsets (input_bfd);
4540 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
4541 sym_hashes = elf_sym_hashes (input_bfd);
4543 relend = relocs + input_section->reloc_count;
4544 for (; rel < relend; rel++)
4546 enum elf_ppc_reloc_type r_type;
4548 bfd_reloc_status_type r;
4549 Elf_Internal_Sym *sym;
4551 struct elf_link_hash_entry *h;
4552 const char *sym_name;
4553 reloc_howto_type *howto;
4554 unsigned long r_symndx;
4556 bfd_vma branch_bit, insn, from;
4557 bfd_boolean unresolved_reloc;
4559 unsigned int tls_type, tls_mask, tls_gd;
4561 r_type = ELF32_R_TYPE (rel->r_info);
4565 unresolved_reloc = FALSE;
4567 r_symndx = ELF32_R_SYM (rel->r_info);
4568 if (r_symndx < symtab_hdr->sh_info)
4570 sym = local_syms + r_symndx;
4571 sec = local_sections[r_symndx];
4572 sym_name = bfd_elf_local_sym_name (input_bfd, sym);
4574 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, sec, rel);
4578 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
4579 while (h->root.type == bfd_link_hash_indirect
4580 || h->root.type == bfd_link_hash_warning)
4581 h = (struct elf_link_hash_entry *) h->root.u.i.link;
4582 sym_name = h->root.root.string;
4585 if (h->root.type == bfd_link_hash_defined
4586 || h->root.type == bfd_link_hash_defweak)
4588 sec = h->root.u.def.section;
4589 /* Set a flag that will be cleared later if we find a
4590 relocation value for this symbol. output_section
4591 is typically NULL for symbols satisfied by a shared
4593 if (sec->output_section == NULL)
4594 unresolved_reloc = TRUE;
4596 relocation = (h->root.u.def.value
4597 + sec->output_section->vma
4598 + sec->output_offset);
4600 else if (h->root.type == bfd_link_hash_undefweak)
4602 else if (!info->executable
4603 && !info->no_undefined
4604 && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
4608 if (! ((*info->callbacks->undefined_symbol)
4609 (info, h->root.root.string, input_bfd, input_section,
4610 rel->r_offset, (!info->shared
4611 || info->no_undefined
4612 || ELF_ST_VISIBILITY (h->other)))))
4618 /* TLS optimizations. Replace instruction sequences and relocs
4619 based on information we collected in tls_optimize. We edit
4620 RELOCS so that --emit-relocs will output something sensible
4621 for the final instruction stream. */
4624 if (IS_PPC_TLS_RELOC (r_type))
4627 tls_mask = ((struct ppc_elf_link_hash_entry *) h)->tls_mask;
4628 else if (local_got_offsets != NULL)
4631 lgot_masks = (char *) (local_got_offsets + symtab_hdr->sh_info);
4632 tls_mask = lgot_masks[r_symndx];
4636 /* Ensure reloc mapping code below stays sane. */
4637 if ((R_PPC_GOT_TLSLD16 & 3) != (R_PPC_GOT_TLSGD16 & 3)
4638 || (R_PPC_GOT_TLSLD16_LO & 3) != (R_PPC_GOT_TLSGD16_LO & 3)
4639 || (R_PPC_GOT_TLSLD16_HI & 3) != (R_PPC_GOT_TLSGD16_HI & 3)
4640 || (R_PPC_GOT_TLSLD16_HA & 3) != (R_PPC_GOT_TLSGD16_HA & 3)
4641 || (R_PPC_GOT_TLSLD16 & 3) != (R_PPC_GOT_TPREL16 & 3)
4642 || (R_PPC_GOT_TLSLD16_LO & 3) != (R_PPC_GOT_TPREL16_LO & 3)
4643 || (R_PPC_GOT_TLSLD16_HI & 3) != (R_PPC_GOT_TPREL16_HI & 3)
4644 || (R_PPC_GOT_TLSLD16_HA & 3) != (R_PPC_GOT_TPREL16_HA & 3))
4651 case R_PPC_GOT_TPREL16:
4652 case R_PPC_GOT_TPREL16_LO:
4654 && (tls_mask & TLS_TPREL) == 0)
4657 insn = bfd_get_32 (output_bfd, contents + rel->r_offset - 2);
4659 insn |= 0x3c020000; /* addis 0,2,0 */
4660 bfd_put_32 (output_bfd, insn, contents + rel->r_offset - 2);
4661 r_type = R_PPC_TPREL16_HA;
4662 rel->r_info = ELF32_R_INFO (r_symndx, r_type);
4668 && (tls_mask & TLS_TPREL) == 0)
4671 insn = bfd_get_32 (output_bfd, contents + rel->r_offset);
4672 if ((insn & ((31 << 26) | (31 << 11)))
4673 == ((31 << 26) | (2 << 11)))
4674 rtra = insn & ((1 << 26) - (1 << 16));
4675 else if ((insn & ((31 << 26) | (31 << 16)))
4676 == ((31 << 26) | (2 << 16)))
4677 rtra = (insn & (31 << 21)) | ((insn & (31 << 11)) << 5);
4680 if ((insn & ((1 << 11) - (1 << 1))) == 266 << 1)
4683 else if ((insn & (31 << 1)) == 23 << 1
4684 && ((insn & (31 << 6)) < 14 << 6
4685 || ((insn & (31 << 6)) >= 16 << 6
4686 && (insn & (31 << 6)) < 24 << 6)))
4687 /* load and store indexed -> dform. */
4688 insn = (32 | ((insn >> 6) & 31)) << 26;
4689 else if ((insn & (31 << 1)) == 21 << 1
4690 && (insn & (0x1a << 6)) == 0)
4691 /* ldx, ldux, stdx, stdux -> ld, ldu, std, stdu. */
4692 insn = (((58 | ((insn >> 6) & 4)) << 26)
4693 | ((insn >> 6) & 1));
4694 else if ((insn & (31 << 1)) == 21 << 1
4695 && (insn & ((1 << 11) - (1 << 1))) == 341 << 1)
4697 insn = (58 << 26) | 2;
4701 bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
4702 r_type = R_PPC_TPREL16_LO;
4703 rel->r_info = ELF32_R_INFO (r_symndx, r_type);
4704 /* Was PPC_TLS which sits on insn boundary, now
4705 PPC_TPREL16_LO which is at insn+2. */
4710 case R_PPC_GOT_TLSGD16_HI:
4711 case R_PPC_GOT_TLSGD16_HA:
4712 tls_gd = TLS_TPRELGD;
4713 if (tls_mask != 0 && (tls_mask & TLS_GD) == 0)
4717 case R_PPC_GOT_TLSLD16_HI:
4718 case R_PPC_GOT_TLSLD16_HA:
4719 if (tls_mask != 0 && (tls_mask & TLS_LD) == 0)
4722 if ((tls_mask & tls_gd) != 0)
4723 r_type = (((r_type - (R_PPC_GOT_TLSGD16 & 3)) & 3)
4724 + R_PPC_GOT_TPREL16);
4727 bfd_put_32 (output_bfd, NOP, contents + rel->r_offset);
4729 r_type = R_PPC_NONE;
4731 rel->r_info = ELF32_R_INFO (r_symndx, r_type);
4735 case R_PPC_GOT_TLSGD16:
4736 case R_PPC_GOT_TLSGD16_LO:
4737 tls_gd = TLS_TPRELGD;
4738 if (tls_mask != 0 && (tls_mask & TLS_GD) == 0)
4739 goto tls_get_addr_check;
4742 case R_PPC_GOT_TLSLD16:
4743 case R_PPC_GOT_TLSLD16_LO:
4744 if (tls_mask != 0 && (tls_mask & TLS_LD) == 0)
4747 if (rel + 1 < relend)
4749 enum elf_ppc_reloc_type r_type2;
4750 unsigned long r_symndx2;
4751 struct elf_link_hash_entry *h2;
4752 bfd_vma insn1, insn2;
4755 /* The next instruction should be a call to
4756 __tls_get_addr. Peek at the reloc to be sure. */
4757 r_type2 = ELF32_R_TYPE (rel[1].r_info);
4758 r_symndx2 = ELF32_R_SYM (rel[1].r_info);
4759 if (r_symndx2 < symtab_hdr->sh_info
4760 || (r_type2 != R_PPC_REL14
4761 && r_type2 != R_PPC_REL14_BRTAKEN
4762 && r_type2 != R_PPC_REL14_BRNTAKEN
4763 && r_type2 != R_PPC_REL24
4764 && r_type2 != R_PPC_PLTREL24))
4767 h2 = sym_hashes[r_symndx2 - symtab_hdr->sh_info];
4768 while (h2->root.type == bfd_link_hash_indirect
4769 || h2->root.type == bfd_link_hash_warning)
4770 h2 = (struct elf_link_hash_entry *) h2->root.u.i.link;
4771 if (h2 == NULL || h2 != htab->tls_get_addr)
4774 /* OK, it checks out. Replace the call. */
4775 offset = rel[1].r_offset;
4776 insn1 = bfd_get_32 (output_bfd,
4777 contents + rel->r_offset - 2);
4778 if ((tls_mask & tls_gd) != 0)
4781 insn1 &= (1 << 26) - 1;
4782 insn1 |= 32 << 26; /* lwz */
4783 insn2 = 0x7c631214; /* add 3,3,2 */
4784 rel[1].r_info = ELF32_R_INFO (r_symndx2, R_PPC_NONE);
4785 r_type = (((r_type - (R_PPC_GOT_TLSGD16 & 3)) & 3)
4786 + R_PPC_GOT_TPREL16);
4787 rel->r_info = ELF32_R_INFO (r_symndx, r_type);
4792 insn1 = 0x3c620000; /* addis 3,2,0 */
4793 insn2 = 0x38630000; /* addi 3,3,0 */
4796 /* Was an LD reloc. */
4798 rel->r_addend = htab->tls_sec->vma + DTP_OFFSET;
4799 rel[1].r_addend = htab->tls_sec->vma + DTP_OFFSET;
4801 r_type = R_PPC_TPREL16_HA;
4802 rel->r_info = ELF32_R_INFO (r_symndx, r_type);
4803 rel[1].r_info = ELF32_R_INFO (r_symndx,
4805 rel[1].r_offset += 2;
4807 bfd_put_32 (output_bfd, insn1, contents + rel->r_offset - 2);
4808 bfd_put_32 (output_bfd, insn2, contents + offset);
4811 /* We changed the symbol on an LD reloc. Start over
4812 in order to get h, sym, sec etc. right. */
4821 /* Handle other relocations that tweak non-addend part of insn. */
4828 /* Branch taken prediction relocations. */
4829 case R_PPC_ADDR14_BRTAKEN:
4830 case R_PPC_REL14_BRTAKEN:
4831 branch_bit = BRANCH_PREDICT_BIT;
4834 /* Branch not taken predicition relocations. */
4835 case R_PPC_ADDR14_BRNTAKEN:
4836 case R_PPC_REL14_BRNTAKEN:
4837 insn = bfd_get_32 (output_bfd, contents + rel->r_offset);
4838 insn &= ~BRANCH_PREDICT_BIT;
4841 from = (rel->r_offset
4842 + input_section->output_offset
4843 + input_section->output_section->vma);
4845 /* Invert 'y' bit if not the default. */
4846 if ((bfd_signed_vma) (relocation + rel->r_addend - from) < 0)
4847 insn ^= BRANCH_PREDICT_BIT;
4849 bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
4853 addend = rel->r_addend;
4856 if (r_type < R_PPC_max)
4857 howto = ppc_elf_howto_table[r_type];
4861 (*_bfd_error_handler)
4862 (_("%s: unknown relocation type %d for symbol %s"),
4863 bfd_archive_filename (input_bfd), (int) r_type, sym_name);
4865 bfd_set_error (bfd_error_bad_value);
4871 case R_PPC_EMB_MRKREF:
4872 case R_PPC_GNU_VTINHERIT:
4873 case R_PPC_GNU_VTENTRY:
4876 /* GOT16 relocations. Like an ADDR16 using the symbol's
4877 address in the GOT as relocation value instead of the
4878 symbol's value itself. Also, create a GOT entry for the
4879 symbol and put the symbol value there. */
4880 case R_PPC_GOT_TLSGD16:
4881 case R_PPC_GOT_TLSGD16_LO:
4882 case R_PPC_GOT_TLSGD16_HI:
4883 case R_PPC_GOT_TLSGD16_HA:
4884 tls_type = TLS_TLS | TLS_GD;
4887 case R_PPC_GOT_TLSLD16:
4888 case R_PPC_GOT_TLSLD16_LO:
4889 case R_PPC_GOT_TLSLD16_HI:
4890 case R_PPC_GOT_TLSLD16_HA:
4891 tls_type = TLS_TLS | TLS_LD;
4894 case R_PPC_GOT_TPREL16:
4895 case R_PPC_GOT_TPREL16_LO:
4896 case R_PPC_GOT_TPREL16_HI:
4897 case R_PPC_GOT_TPREL16_HA:
4898 tls_type = TLS_TLS | TLS_TPREL;
4901 case R_PPC_GOT_DTPREL16:
4902 case R_PPC_GOT_DTPREL16_LO:
4903 case R_PPC_GOT_DTPREL16_HI:
4904 case R_PPC_GOT_DTPREL16_HA:
4905 tls_type = TLS_TLS | TLS_DTPREL;
4909 case R_PPC_GOT16_LO:
4910 case R_PPC_GOT16_HI:
4911 case R_PPC_GOT16_HA:
4914 /* Relocation is to the entry for this symbol in the global
4920 if (htab->got == NULL)
4924 if (tls_type == (TLS_TLS | TLS_LD)
4926 || !(h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC)))
4927 offp = &htab->tlsld_got.offset;
4931 dyn = htab->elf.dynamic_sections_created;
4932 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
4934 && SYMBOL_REFERENCES_LOCAL (info, h)))
4935 /* This is actually a static link, or it is a
4936 -Bsymbolic link and the symbol is defined
4937 locally, or the symbol was forced to be local
4938 because of a version file. */
4943 unresolved_reloc = FALSE;
4945 offp = &h->got.offset;
4949 if (local_got_offsets == NULL)
4951 offp = &local_got_offsets[r_symndx];
4954 /* The offset must always be a multiple of 4. We use the
4955 least significant bit to record whether we have already
4956 processed this entry. */
4962 unsigned int tls_m = (tls_mask
4963 & (TLS_LD | TLS_GD | TLS_DTPREL
4964 | TLS_TPREL | TLS_TPRELGD));
4966 if (offp == &htab->tlsld_got.offset)
4969 || !(h->elf_link_hash_flags
4970 & ELF_LINK_HASH_DEF_DYNAMIC))
4973 /* We might have multiple got entries for this sym.
4974 Initialize them all. */
4979 if ((tls_m & TLS_LD) != 0)
4981 tls_ty = TLS_TLS | TLS_LD;
4984 else if ((tls_m & TLS_GD) != 0)
4986 tls_ty = TLS_TLS | TLS_GD;
4989 else if ((tls_m & TLS_DTPREL) != 0)
4991 tls_ty = TLS_TLS | TLS_DTPREL;
4992 tls_m &= ~TLS_DTPREL;
4994 else if ((tls_m & (TLS_TPREL | TLS_TPRELGD)) != 0)
4996 tls_ty = TLS_TLS | TLS_TPREL;
5000 /* Generate relocs for the dynamic linker. */
5001 if ((info->shared || indx != 0)
5003 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
5004 || h->root.type != bfd_link_hash_undefweak))
5006 outrel.r_offset = (htab->got->output_section->vma
5007 + htab->got->output_offset
5009 outrel.r_addend = 0;
5010 if (tls_ty & (TLS_LD | TLS_GD))
5012 outrel.r_info = ELF32_R_INFO (indx, R_PPC_DTPMOD32);
5013 if (tls_ty == (TLS_TLS | TLS_GD))
5015 loc = htab->relgot->contents;
5016 loc += (htab->relgot->reloc_count++
5017 * sizeof (Elf32_External_Rela));
5018 bfd_elf32_swap_reloca_out (output_bfd,
5020 outrel.r_offset += 4;
5022 = ELF32_R_INFO (indx, R_PPC_DTPREL32);
5025 else if (tls_ty == (TLS_TLS | TLS_DTPREL))
5026 outrel.r_info = ELF32_R_INFO (indx, R_PPC_DTPREL32);
5027 else if (tls_ty == (TLS_TLS | TLS_TPREL))
5028 outrel.r_info = ELF32_R_INFO (indx, R_PPC_TPREL32);
5030 outrel.r_info = ELF32_R_INFO (indx, R_PPC_RELATIVE);
5032 outrel.r_info = ELF32_R_INFO (indx, R_PPC_GLOB_DAT);
5035 outrel.r_addend += relocation;
5036 if (tls_ty & (TLS_GD | TLS_DTPREL | TLS_TPREL))
5037 outrel.r_addend -= htab->tls_sec->vma;
5039 loc = htab->relgot->contents;
5040 loc += (htab->relgot->reloc_count++
5041 * sizeof (Elf32_External_Rela));
5042 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5045 /* Init the .got section contents if we're not
5046 emitting a reloc. */
5049 bfd_vma value = relocation;
5051 if (tls_ty == (TLS_TLS | TLS_LD))
5053 else if (tls_ty != 0)
5055 value -= htab->tls_sec->vma + DTP_OFFSET;
5056 if (tls_ty == (TLS_TLS | TLS_TPREL))
5057 value += DTP_OFFSET - TP_OFFSET;
5059 if (tls_ty == (TLS_TLS | TLS_GD))
5061 bfd_put_32 (output_bfd, value,
5062 htab->got->contents + off + 4);
5066 bfd_put_32 (output_bfd, value,
5067 htab->got->contents + off);
5071 if (tls_ty & (TLS_LD | TLS_GD))
5080 if (off >= (bfd_vma) -2)
5083 if ((tls_type & TLS_TLS) != 0)
5085 if (tls_type != (TLS_TLS | TLS_LD))
5087 if ((tls_mask & TLS_LD) != 0
5089 || !(h->elf_link_hash_flags
5090 & ELF_LINK_HASH_DEF_DYNAMIC)))
5092 if (tls_type != (TLS_TLS | TLS_GD))
5094 if ((tls_mask & TLS_GD) != 0)
5096 if (tls_type != (TLS_TLS | TLS_DTPREL))
5098 if ((tls_mask & TLS_DTPREL) != 0)
5105 relocation = htab->got->output_offset + off - 4;
5107 /* Addends on got relocations don't make much sense.
5108 x+off@got is actually x@got+off, and since the got is
5109 generated by a hash table traversal, the value in the
5110 got at entry m+n bears little relation to the entry m. */
5112 (*_bfd_error_handler)
5113 (_("%s(%s+0x%lx): non-zero addend on %s reloc against `%s'"),
5114 bfd_archive_filename (input_bfd),
5115 bfd_get_section_name (input_bfd, input_section),
5116 (long) rel->r_offset,
5122 /* Relocations that need no special processing. */
5123 case R_PPC_LOCAL24PC:
5124 /* It makes no sense to point a local relocation
5125 at a symbol not in this object. */
5126 if (unresolved_reloc)
5128 if (! (*info->callbacks->undefined_symbol) (info,
5129 h->root.root.string,
5139 case R_PPC_DTPREL16:
5140 case R_PPC_DTPREL16_LO:
5141 case R_PPC_DTPREL16_HI:
5142 case R_PPC_DTPREL16_HA:
5143 addend -= htab->tls_sec->vma + DTP_OFFSET;
5146 /* Relocations that may need to be propagated if this is a shared
5149 case R_PPC_TPREL16_LO:
5150 case R_PPC_TPREL16_HI:
5151 case R_PPC_TPREL16_HA:
5152 addend -= htab->tls_sec->vma + TP_OFFSET;
5153 /* The TPREL16 relocs shouldn't really be used in shared
5154 libs as they will result in DT_TEXTREL being set, but
5155 support them anyway. */
5159 addend -= htab->tls_sec->vma + TP_OFFSET;
5162 case R_PPC_DTPREL32:
5163 addend -= htab->tls_sec->vma + DTP_OFFSET;
5166 case R_PPC_DTPMOD32:
5174 case R_PPC_REL14_BRTAKEN:
5175 case R_PPC_REL14_BRNTAKEN:
5176 /* If these relocations are not to a named symbol, they can be
5177 handled right here, no need to bother the dynamic linker. */
5179 || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0
5180 || SYMBOL_REFERENCES_LOCAL (info, h))
5184 /* Relocations that always need to be propagated if this is a shared
5189 case R_PPC_ADDR16_LO:
5190 case R_PPC_ADDR16_HI:
5191 case R_PPC_ADDR16_HA:
5193 case R_PPC_ADDR14_BRTAKEN:
5194 case R_PPC_ADDR14_BRNTAKEN:
5197 /* r_symndx will be zero only for relocs against symbols
5198 from removed linkonce sections, or sections discarded by
5207 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
5208 || h->root.type != bfd_link_hash_undefweak)
5209 && (MUST_BE_DYN_RELOC (r_type)
5211 && !SYMBOL_CALLS_LOCAL (info, h))))
5212 || (ELIMINATE_COPY_RELOCS
5214 && (input_section->flags & SEC_ALLOC) != 0
5217 && (h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0
5218 && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0
5219 && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0))
5224 fprintf (stderr, "ppc_elf_relocate_section needs to "
5225 "create relocation for %s\n",
5226 (h && h->root.root.string
5227 ? h->root.root.string : "<unknown>"));
5230 /* When generating a shared object, these relocations
5231 are copied into the output file to be resolved at run
5237 name = (bfd_elf_string_from_elf_section
5239 elf_elfheader (input_bfd)->e_shstrndx,
5240 elf_section_data (input_section)->rel_hdr.sh_name));
5244 BFD_ASSERT (strncmp (name, ".rela", 5) == 0
5245 && strcmp (bfd_get_section_name (input_bfd,
5249 sreloc = bfd_get_section_by_name (htab->elf.dynobj, name);
5250 BFD_ASSERT (sreloc != NULL);
5256 _bfd_elf_section_offset (output_bfd, info, input_section,
5258 if (outrel.r_offset == (bfd_vma) -1
5259 || outrel.r_offset == (bfd_vma) -2)
5260 skip = (int) outrel.r_offset;
5261 outrel.r_offset += (input_section->output_section->vma
5262 + input_section->output_offset);
5265 memset (&outrel, 0, sizeof outrel);
5267 && !SYMBOL_REFERENCES_LOCAL (info, h))
5269 unresolved_reloc = FALSE;
5270 outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
5271 outrel.r_addend = rel->r_addend;
5275 outrel.r_addend = relocation + rel->r_addend;
5277 if (r_type == R_PPC_ADDR32)
5278 outrel.r_info = ELF32_R_INFO (0, R_PPC_RELATIVE);
5283 if (bfd_is_abs_section (sec))
5285 else if (sec == NULL || sec->owner == NULL)
5287 bfd_set_error (bfd_error_bad_value);
5294 /* We are turning this relocation into one
5295 against a section symbol. It would be
5296 proper to subtract the symbol's value,
5297 osec->vma, from the emitted reloc addend,
5298 but ld.so expects buggy relocs. */
5299 osec = sec->output_section;
5300 indx = elf_section_data (osec)->dynindx;
5301 BFD_ASSERT (indx > 0);
5304 printf ("indx=%d section=%s flags=%08x name=%s\n",
5305 indx, osec->name, osec->flags,
5306 h->root.root.string);
5310 outrel.r_info = ELF32_R_INFO (indx, r_type);
5314 loc = sreloc->contents;
5315 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
5316 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5321 /* This reloc will be computed at runtime. We clear the memory
5322 so that it contains predictable value. */
5324 && ((input_section->flags & SEC_ALLOC) != 0
5325 || ELF32_R_TYPE (outrel.r_info) != R_PPC_RELATIVE))
5327 relocation = howto->pc_relative ? outrel.r_offset : 0;
5334 /* Indirect .sdata relocation. */
5335 case R_PPC_EMB_SDAI16:
5336 BFD_ASSERT (htab->sdata != NULL);
5338 = elf_finish_pointer_linker_section (output_bfd, input_bfd, info,
5339 htab->sdata, h, relocation,
5340 rel, R_PPC_RELATIVE);
5343 /* Indirect .sdata2 relocation. */
5344 case R_PPC_EMB_SDA2I16:
5345 BFD_ASSERT (htab->sdata2 != NULL);
5347 = elf_finish_pointer_linker_section (output_bfd, input_bfd, info,
5348 htab->sdata2, h, relocation,
5349 rel, R_PPC_RELATIVE);
5352 /* Handle the TOC16 reloc. We want to use the offset within the .got
5353 section, not the actual VMA. This is appropriate when generating
5354 an embedded ELF object, for which the .got section acts like the
5355 AIX .toc section. */
5356 case R_PPC_TOC16: /* phony GOT16 relocations */
5357 BFD_ASSERT (sec != NULL);
5358 BFD_ASSERT (bfd_is_und_section (sec)
5359 || strcmp (bfd_get_section_name (abfd, sec), ".got") == 0
5360 || strcmp (bfd_get_section_name (abfd, sec), ".cgot") == 0)
5362 addend -= sec->output_section->vma + sec->output_offset + 0x8000;
5365 case R_PPC_PLTREL24:
5366 /* Relocation is to the entry for this symbol in the
5367 procedure linkage table. */
5368 BFD_ASSERT (h != NULL);
5370 if (h->plt.offset == (bfd_vma) -1
5371 || htab->plt == NULL)
5373 /* We didn't make a PLT entry for this symbol. This
5374 happens when statically linking PIC code, or when
5375 using -Bsymbolic. */
5379 unresolved_reloc = FALSE;
5380 relocation = (htab->plt->output_section->vma
5381 + htab->plt->output_offset
5385 /* Relocate against _SDA_BASE_. */
5386 case R_PPC_SDAREL16:
5389 const struct elf_link_hash_entry *sh;
5391 BFD_ASSERT (sec != NULL);
5392 name = bfd_get_section_name (abfd, sec->output_section);
5393 if (! ((strncmp (name, ".sdata", 6) == 0
5394 && (name[6] == 0 || name[6] == '.'))
5395 || (strncmp (name, ".sbss", 5) == 0
5396 && (name[5] == 0 || name[5] == '.'))))
5398 (*_bfd_error_handler)
5399 (_("%s: the target (%s) of a %s relocation is "
5400 "in the wrong output section (%s)"),
5401 bfd_archive_filename (input_bfd),
5406 sh = htab->sdata->sym_hash;
5407 addend -= (sh->root.u.def.value
5408 + sh->root.u.def.section->output_section->vma
5409 + sh->root.u.def.section->output_offset);
5413 /* Relocate against _SDA2_BASE_. */
5414 case R_PPC_EMB_SDA2REL:
5417 const struct elf_link_hash_entry *sh;
5419 BFD_ASSERT (sec != NULL);
5420 name = bfd_get_section_name (abfd, sec->output_section);
5421 if (! (strncmp (name, ".sdata2", 7) == 0
5422 || strncmp (name, ".sbss2", 6) == 0))
5424 (*_bfd_error_handler)
5425 (_("%s: the target (%s) of a %s relocation is "
5426 "in the wrong output section (%s)"),
5427 bfd_archive_filename (input_bfd),
5432 bfd_set_error (bfd_error_bad_value);
5436 sh = htab->sdata2->sym_hash;
5437 addend -= (sh->root.u.def.value
5438 + sh->root.u.def.section->output_section->vma
5439 + sh->root.u.def.section->output_offset);
5443 /* Relocate against either _SDA_BASE_, _SDA2_BASE_, or 0. */
5444 case R_PPC_EMB_SDA21:
5445 case R_PPC_EMB_RELSDA:
5448 const struct elf_link_hash_entry *sh;
5451 BFD_ASSERT (sec != NULL);
5452 name = bfd_get_section_name (abfd, sec->output_section);
5453 if (((strncmp (name, ".sdata", 6) == 0
5454 && (name[6] == 0 || name[6] == '.'))
5455 || (strncmp (name, ".sbss", 5) == 0
5456 && (name[5] == 0 || name[5] == '.'))))
5459 sh = htab->sdata->sym_hash;
5460 addend -= (sh->root.u.def.value
5461 + sh->root.u.def.section->output_section->vma
5462 + sh->root.u.def.section->output_offset);
5465 else if (strncmp (name, ".sdata2", 7) == 0
5466 || strncmp (name, ".sbss2", 6) == 0)
5469 sh = htab->sdata2->sym_hash;
5470 addend -= (sh->root.u.def.value
5471 + sh->root.u.def.section->output_section->vma
5472 + sh->root.u.def.section->output_offset);
5475 else if (strcmp (name, ".PPC.EMB.sdata0") == 0
5476 || strcmp (name, ".PPC.EMB.sbss0") == 0)
5483 (*_bfd_error_handler)
5484 (_("%s: the target (%s) of a %s relocation is "
5485 "in the wrong output section (%s)"),
5486 bfd_archive_filename (input_bfd),
5491 bfd_set_error (bfd_error_bad_value);
5496 if (r_type == R_PPC_EMB_SDA21)
5497 { /* fill in register field */
5498 insn = bfd_get_32 (output_bfd, contents + rel->r_offset);
5499 insn = (insn & ~RA_REGISTER_MASK) | (reg << RA_REGISTER_SHIFT);
5500 bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
5505 /* Relocate against the beginning of the section. */
5507 case R_PPC_SECTOFF_LO:
5508 case R_PPC_SECTOFF_HI:
5509 case R_PPC_SECTOFF_HA:
5510 BFD_ASSERT (sec != NULL);
5511 addend -= sec->output_section->vma;
5514 /* Negative relocations. */
5515 case R_PPC_EMB_NADDR32:
5516 case R_PPC_EMB_NADDR16:
5517 case R_PPC_EMB_NADDR16_LO:
5518 case R_PPC_EMB_NADDR16_HI:
5519 case R_PPC_EMB_NADDR16_HA:
5520 addend -= 2 * relocation;
5524 case R_PPC_GLOB_DAT:
5525 case R_PPC_JMP_SLOT:
5526 case R_PPC_RELATIVE:
5528 case R_PPC_PLTREL32:
5529 case R_PPC_PLT16_LO:
5530 case R_PPC_PLT16_HI:
5531 case R_PPC_PLT16_HA:
5533 case R_PPC_EMB_RELSEC16:
5534 case R_PPC_EMB_RELST_LO:
5535 case R_PPC_EMB_RELST_HI:
5536 case R_PPC_EMB_RELST_HA:
5537 case R_PPC_EMB_BIT_FLD:
5538 (*_bfd_error_handler)
5539 (_("%s: relocation %s is not yet supported for symbol %s."),
5540 bfd_archive_filename (input_bfd),
5544 bfd_set_error (bfd_error_invalid_operation);
5549 /* Do any further special processing. */
5555 case R_PPC_ADDR16_HA:
5556 case R_PPC_GOT16_HA:
5557 case R_PPC_PLT16_HA:
5558 case R_PPC_SECTOFF_HA:
5559 case R_PPC_TPREL16_HA:
5560 case R_PPC_DTPREL16_HA:
5561 case R_PPC_GOT_TLSGD16_HA:
5562 case R_PPC_GOT_TLSLD16_HA:
5563 case R_PPC_GOT_TPREL16_HA:
5564 case R_PPC_GOT_DTPREL16_HA:
5565 case R_PPC_EMB_NADDR16_HA:
5566 case R_PPC_EMB_RELST_HA:
5567 /* It's just possible that this symbol is a weak symbol
5568 that's not actually defined anywhere. In that case,
5569 'sec' would be NULL, and we should leave the symbol
5570 alone (it will be set to zero elsewhere in the link). */
5572 /* Add 0x10000 if sign bit in 0:15 is set.
5573 Bits 0:15 are not used. */
5579 fprintf (stderr, "\ttype = %s (%d), name = %s, symbol index = %ld, "
5580 "offset = %ld, addend = %ld\n",
5585 (long) rel->r_offset,
5589 if (unresolved_reloc
5590 && !((input_section->flags & SEC_DEBUGGING) != 0
5591 && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0))
5593 (*_bfd_error_handler)
5594 (_("%s(%s+0x%lx): unresolvable %s relocation against symbol `%s'"),
5595 bfd_archive_filename (input_bfd),
5596 bfd_get_section_name (input_bfd, input_section),
5597 (long) rel->r_offset,
5603 r = _bfd_final_link_relocate (howto,
5611 if (r != bfd_reloc_ok)
5613 if (sym_name == NULL)
5614 sym_name = "(null)";
5615 if (r == bfd_reloc_overflow)
5620 && h->root.type == bfd_link_hash_undefweak
5621 && howto->pc_relative)
5623 /* Assume this is a call protected by other code that
5624 detect the symbol is undefined. If this is the case,
5625 we can safely ignore the overflow. If not, the
5626 program is hosed anyway, and a little warning isn't
5632 if (! (*info->callbacks->reloc_overflow) (info,
5643 (*_bfd_error_handler)
5644 (_("%s(%s+0x%lx): %s reloc against `%s': error %d"),
5645 bfd_archive_filename (input_bfd),
5646 bfd_get_section_name (input_bfd, input_section),
5647 (long) rel->r_offset, howto->name, sym_name, (int) r);
5654 fprintf (stderr, "\n");
5660 static enum elf_reloc_type_class
5661 ppc_elf_reloc_type_class (const Elf_Internal_Rela *rela)
5663 switch (ELF32_R_TYPE (rela->r_info))
5665 case R_PPC_RELATIVE:
5666 return reloc_class_relative;
5669 case R_PPC_JMP_SLOT:
5670 return reloc_class_plt;
5672 return reloc_class_copy;
5674 return reloc_class_normal;
5678 /* Support for core dump NOTE sections. */
5681 ppc_elf_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
5684 unsigned int raw_size;
5686 switch (note->descsz)
5691 case 268: /* Linux/PPC. */
5693 elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12);
5696 elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 24);
5705 /* Make a ".reg/999" section. */
5706 return _bfd_elfcore_make_pseudosection (abfd, ".reg",
5707 raw_size, note->descpos + offset);
5711 ppc_elf_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
5713 switch (note->descsz)
5718 case 128: /* Linux/PPC elf_prpsinfo. */
5719 elf_tdata (abfd)->core_program
5720 = _bfd_elfcore_strndup (abfd, note->descdata + 32, 16);
5721 elf_tdata (abfd)->core_command
5722 = _bfd_elfcore_strndup (abfd, note->descdata + 48, 80);
5725 /* Note that for some reason, a spurious space is tacked
5726 onto the end of the args in some (at least one anyway)
5727 implementations, so strip it off if it exists. */
5730 char *command = elf_tdata (abfd)->core_command;
5731 int n = strlen (command);
5733 if (0 < n && command[n - 1] == ' ')
5734 command[n - 1] = '\0';
5740 /* Very simple linked list structure for recording apuinfo values. */
5741 typedef struct apuinfo_list
5743 struct apuinfo_list *next;
5744 unsigned long value;
5748 static apuinfo_list *head;
5752 apuinfo_list_init (void)
5758 apuinfo_list_add (unsigned long value)
5760 apuinfo_list *entry = head;
5762 while (entry != NULL)
5764 if (entry->value == value)
5766 entry = entry->next;
5769 entry = bfd_malloc (sizeof (* entry));
5773 entry->value = value;
5779 apuinfo_list_length (void)
5781 apuinfo_list *entry;
5782 unsigned long count;
5784 for (entry = head, count = 0;
5786 entry = entry->next)
5792 static inline unsigned long
5793 apuinfo_list_element (unsigned long number)
5795 apuinfo_list * entry;
5799 entry = entry->next)
5802 return entry ? entry->value : 0;
5806 apuinfo_list_finish (void)
5808 apuinfo_list *entry;
5810 for (entry = head; entry;)
5812 apuinfo_list *next = entry->next;
5820 #define APUINFO_SECTION_NAME ".PPC.EMB.apuinfo"
5821 #define APUINFO_LABEL "APUinfo"
5823 /* Scan the input BFDs and create a linked list of
5824 the APUinfo values that will need to be emitted. */
5827 ppc_elf_begin_write_processing (bfd *abfd, struct bfd_link_info *link_info)
5832 unsigned num_input_sections;
5833 bfd_size_type output_section_size;
5835 unsigned num_entries;
5836 unsigned long offset;
5837 unsigned long length;
5838 const char *error_message = NULL;
5840 if (link_info == NULL)
5843 /* Scan the input bfds, looking for apuinfo sections. */
5844 num_input_sections = 0;
5845 output_section_size = 0;
5847 for (ibfd = link_info->input_bfds; ibfd; ibfd = ibfd->link_next)
5849 asec = bfd_get_section_by_name (ibfd, APUINFO_SECTION_NAME);
5852 ++ num_input_sections;
5853 output_section_size += asec->_raw_size;
5857 /* We need at least one input sections
5858 in order to make merging worthwhile. */
5859 if (num_input_sections < 1)
5862 /* Just make sure that the output section exists as well. */
5863 asec = bfd_get_section_by_name (abfd, APUINFO_SECTION_NAME);
5867 /* Allocate a buffer for the contents of the input sections. */
5868 buffer = bfd_malloc (output_section_size);
5873 apuinfo_list_init ();
5875 /* Read in the input sections contents. */
5876 for (ibfd = link_info->input_bfds; ibfd; ibfd = ibfd->link_next)
5878 unsigned long datum;
5881 asec = bfd_get_section_by_name (ibfd, APUINFO_SECTION_NAME);
5885 length = asec->_raw_size;
5888 error_message = _("corrupt or empty %s section in %s");
5892 if (bfd_seek (ibfd, asec->filepos, SEEK_SET) != 0
5893 || (bfd_bread (buffer + offset, length, ibfd) != length))
5895 error_message = _("unable to read in %s section from %s");
5899 /* Process the contents of the section. */
5900 ptr = buffer + offset;
5901 error_message = _("corrupt %s section in %s");
5903 /* Verify the contents of the header. Note - we have to
5904 extract the values this way in order to allow for a
5905 host whose endian-ness is different from the target. */
5906 datum = bfd_get_32 (ibfd, ptr);
5907 if (datum != sizeof APUINFO_LABEL)
5910 datum = bfd_get_32 (ibfd, ptr + 8);
5914 if (strcmp (ptr + 12, APUINFO_LABEL) != 0)
5917 /* Get the number of bytes used for apuinfo entries. */
5918 datum = bfd_get_32 (ibfd, ptr + 4);
5919 if (datum + 20 != length)
5922 /* Make sure that we do not run off the end of the section. */
5923 if (offset + length > output_section_size)
5926 /* Scan the apuinfo section, building a list of apuinfo numbers. */
5927 for (i = 0; i < datum; i += 4)
5928 apuinfo_list_add (bfd_get_32 (ibfd, ptr + 20 + i));
5930 /* Update the offset. */
5934 error_message = NULL;
5936 /* Compute the size of the output section. */
5937 num_entries = apuinfo_list_length ();
5938 output_section_size = 20 + num_entries * 4;
5940 asec = bfd_get_section_by_name (abfd, APUINFO_SECTION_NAME);
5942 if (! bfd_set_section_size (abfd, asec, output_section_size))
5944 error_message = _("warning: unable to set size of %s section in %s");
5950 (*_bfd_error_handler) (error_message, APUINFO_SECTION_NAME,
5951 bfd_archive_filename (ibfd));
5955 /* Prevent the output section from accumulating the input sections'
5956 contents. We have already stored this in our linked list structure. */
5959 ppc_elf_write_section (bfd *abfd ATTRIBUTE_UNUSED,
5961 bfd_byte *contents ATTRIBUTE_UNUSED)
5963 return (apuinfo_list_length ()
5964 && strcmp (asec->name, APUINFO_SECTION_NAME) == 0);
5968 /* Finally we can generate the output section. */
5971 ppc_elf_final_write_processing (bfd *abfd, bfd_boolean linker ATTRIBUTE_UNUSED)
5976 unsigned num_entries;
5977 bfd_size_type length;
5979 asec = bfd_get_section_by_name (abfd, APUINFO_SECTION_NAME);
5983 if (apuinfo_list_length () == 0)
5986 length = asec->_raw_size;
5990 buffer = bfd_malloc (length);
5993 (*_bfd_error_handler)
5994 (_("failed to allocate space for new APUinfo section."));
5998 /* Create the apuinfo header. */
5999 num_entries = apuinfo_list_length ();
6000 bfd_put_32 (abfd, sizeof APUINFO_LABEL, buffer);
6001 bfd_put_32 (abfd, num_entries * 4, buffer + 4);
6002 bfd_put_32 (abfd, 0x2, buffer + 8);
6003 strcpy (buffer + 12, APUINFO_LABEL);
6006 for (i = 0; i < num_entries; i++)
6008 bfd_put_32 (abfd, apuinfo_list_element (i), buffer + length);
6012 if (length != asec->_raw_size)
6013 (*_bfd_error_handler) (_("failed to compute new APUinfo section."));
6015 if (! bfd_set_section_contents (abfd, asec, buffer, (file_ptr) 0, length))
6016 (*_bfd_error_handler) (_("failed to install new APUinfo section."));
6020 apuinfo_list_finish ();
6023 #define TARGET_LITTLE_SYM bfd_elf32_powerpcle_vec
6024 #define TARGET_LITTLE_NAME "elf32-powerpcle"
6025 #define TARGET_BIG_SYM bfd_elf32_powerpc_vec
6026 #define TARGET_BIG_NAME "elf32-powerpc"
6027 #define ELF_ARCH bfd_arch_powerpc
6028 #define ELF_MACHINE_CODE EM_PPC
6029 #ifdef __QNXTARGET__
6030 #define ELF_MAXPAGESIZE 0x1000
6032 #define ELF_MAXPAGESIZE 0x10000
6034 #define elf_info_to_howto ppc_elf_info_to_howto
6036 #ifdef EM_CYGNUS_POWERPC
6037 #define ELF_MACHINE_ALT1 EM_CYGNUS_POWERPC
6041 #define ELF_MACHINE_ALT2 EM_PPC_OLD
6044 #define elf_backend_plt_not_loaded 1
6045 #define elf_backend_got_symbol_offset 4
6046 #define elf_backend_can_gc_sections 1
6047 #define elf_backend_can_refcount 1
6048 #define elf_backend_got_header_size 12
6049 #define elf_backend_plt_header_size PLT_INITIAL_ENTRY_SIZE
6050 #define elf_backend_rela_normal 1
6052 #define bfd_elf32_mkobject ppc_elf_mkobject
6053 #define bfd_elf32_bfd_merge_private_bfd_data ppc_elf_merge_private_bfd_data
6054 #define bfd_elf32_bfd_relax_section ppc_elf_relax_section
6055 #define bfd_elf32_bfd_reloc_type_lookup ppc_elf_reloc_type_lookup
6056 #define bfd_elf32_bfd_set_private_flags ppc_elf_set_private_flags
6057 #define bfd_elf32_bfd_link_hash_table_create ppc_elf_link_hash_table_create
6059 #define elf_backend_object_p ppc_elf_object_p
6060 #define elf_backend_gc_mark_hook ppc_elf_gc_mark_hook
6061 #define elf_backend_gc_sweep_hook ppc_elf_gc_sweep_hook
6062 #define elf_backend_section_from_shdr ppc_elf_section_from_shdr
6063 #define elf_backend_relocate_section ppc_elf_relocate_section
6064 #define elf_backend_create_dynamic_sections ppc_elf_create_dynamic_sections
6065 #define elf_backend_check_relocs ppc_elf_check_relocs
6066 #define elf_backend_copy_indirect_symbol ppc_elf_copy_indirect_symbol
6067 #define elf_backend_adjust_dynamic_symbol ppc_elf_adjust_dynamic_symbol
6068 #define elf_backend_add_symbol_hook ppc_elf_add_symbol_hook
6069 #define elf_backend_size_dynamic_sections ppc_elf_size_dynamic_sections
6070 #define elf_backend_finish_dynamic_symbol ppc_elf_finish_dynamic_symbol
6071 #define elf_backend_finish_dynamic_sections ppc_elf_finish_dynamic_sections
6072 #define elf_backend_fake_sections ppc_elf_fake_sections
6073 #define elf_backend_additional_program_headers ppc_elf_additional_program_headers
6074 #define elf_backend_modify_segment_map ppc_elf_modify_segment_map
6075 #define elf_backend_grok_prstatus ppc_elf_grok_prstatus
6076 #define elf_backend_grok_psinfo ppc_elf_grok_psinfo
6077 #define elf_backend_reloc_type_class ppc_elf_reloc_type_class
6078 #define elf_backend_begin_write_processing ppc_elf_begin_write_processing
6079 #define elf_backend_final_write_processing ppc_elf_final_write_processing
6080 #define elf_backend_write_section ppc_elf_write_section
6082 #include "elf32-target.h"
projects / external / binutils.git / blob