1 /* PowerPC-specific support for 32-bit ELF
2 Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
3 2004, 2005 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 /* Shortcut to .__tls_get_addr. */
209 struct elf_link_hash_entry *tls_get_addr;
211 /* TLS local dynamic got entry handling. */
213 bfd_signed_vma refcount;
217 /* Small local sym to section mapping cache. */
218 struct sym_sec_cache sym_sec;
221 /* Get the PPC ELF linker hash table from a link_info structure. */
223 #define ppc_elf_hash_table(p) \
224 ((struct ppc_elf_link_hash_table *) (p)->hash)
226 /* Create an entry in a PPC ELF linker hash table. */
228 static struct bfd_hash_entry *
229 ppc_elf_link_hash_newfunc (struct bfd_hash_entry *entry,
230 struct bfd_hash_table *table,
233 /* Allocate the structure if it has not already been allocated by a
237 entry = bfd_hash_allocate (table,
238 sizeof (struct ppc_elf_link_hash_entry));
243 /* Call the allocation method of the superclass. */
244 entry = _bfd_elf_link_hash_newfunc (entry, table, string);
247 ppc_elf_hash_entry (entry)->linker_section_pointer = NULL;
248 ppc_elf_hash_entry (entry)->dyn_relocs = NULL;
249 ppc_elf_hash_entry (entry)->tls_mask = 0;
255 /* Create a PPC ELF linker hash table. */
257 static struct bfd_link_hash_table *
258 ppc_elf_link_hash_table_create (bfd *abfd)
260 struct ppc_elf_link_hash_table *ret;
262 ret = bfd_zmalloc (sizeof (struct ppc_elf_link_hash_table));
266 if (! _bfd_elf_link_hash_table_init (&ret->elf, abfd,
267 ppc_elf_link_hash_newfunc))
273 return &ret->elf.root;
276 /* If ELIMINATE_COPY_RELOCS is non-zero, the linker will try to avoid
277 copying dynamic variables from a shared lib into an app's dynbss
278 section, and instead use a dynamic relocation to point into the
280 #define ELIMINATE_COPY_RELOCS 1
282 /* Copy the extra info we tack onto an elf_link_hash_entry. */
285 ppc_elf_copy_indirect_symbol (const struct elf_backend_data *bed,
286 struct elf_link_hash_entry *dir,
287 struct elf_link_hash_entry *ind)
289 struct ppc_elf_link_hash_entry *edir, *eind;
291 edir = (struct ppc_elf_link_hash_entry *) dir;
292 eind = (struct ppc_elf_link_hash_entry *) ind;
294 if (eind->dyn_relocs != NULL)
296 if (edir->dyn_relocs != NULL)
298 struct ppc_elf_dyn_relocs **pp;
299 struct ppc_elf_dyn_relocs *p;
301 if (ind->root.type == bfd_link_hash_indirect)
304 /* Add reloc counts against the weak sym to the strong sym
305 list. Merge any entries against the same section. */
306 for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
308 struct ppc_elf_dyn_relocs *q;
310 for (q = edir->dyn_relocs; q != NULL; q = q->next)
311 if (q->sec == p->sec)
313 q->pc_count += p->pc_count;
314 q->count += p->count;
321 *pp = edir->dyn_relocs;
324 edir->dyn_relocs = eind->dyn_relocs;
325 eind->dyn_relocs = NULL;
328 edir->tls_mask |= eind->tls_mask;
330 if (ELIMINATE_COPY_RELOCS
331 && ind->root.type != bfd_link_hash_indirect
332 && dir->dynamic_adjusted)
334 /* If called to transfer flags for a weakdef during processing
335 of elf_adjust_dynamic_symbol, don't copy non_got_ref.
336 We clear it ourselves for ELIMINATE_COPY_RELOCS. */
337 dir->ref_dynamic |= ind->ref_dynamic;
338 dir->ref_regular |= ind->ref_regular;
339 dir->ref_regular_nonweak |= ind->ref_regular_nonweak;
340 dir->needs_plt |= ind->needs_plt;
343 _bfd_elf_link_hash_copy_indirect (bed, dir, ind);
346 static reloc_howto_type *ppc_elf_howto_table[R_PPC_max];
348 static reloc_howto_type ppc_elf_howto_raw[] = {
349 /* This reloc does nothing. */
350 HOWTO (R_PPC_NONE, /* type */
352 2, /* size (0 = byte, 1 = short, 2 = long) */
354 FALSE, /* pc_relative */
356 complain_overflow_bitfield, /* complain_on_overflow */
357 bfd_elf_generic_reloc, /* special_function */
358 "R_PPC_NONE", /* name */
359 FALSE, /* partial_inplace */
362 FALSE), /* pcrel_offset */
364 /* A standard 32 bit relocation. */
365 HOWTO (R_PPC_ADDR32, /* type */
367 2, /* size (0 = byte, 1 = short, 2 = long) */
369 FALSE, /* pc_relative */
371 complain_overflow_bitfield, /* complain_on_overflow */
372 bfd_elf_generic_reloc, /* special_function */
373 "R_PPC_ADDR32", /* name */
374 FALSE, /* partial_inplace */
376 0xffffffff, /* dst_mask */
377 FALSE), /* pcrel_offset */
379 /* An absolute 26 bit branch; the lower two bits must be zero.
380 FIXME: we don't check that, we just clear them. */
381 HOWTO (R_PPC_ADDR24, /* type */
383 2, /* size (0 = byte, 1 = short, 2 = long) */
385 FALSE, /* pc_relative */
387 complain_overflow_bitfield, /* complain_on_overflow */
388 bfd_elf_generic_reloc, /* special_function */
389 "R_PPC_ADDR24", /* name */
390 FALSE, /* partial_inplace */
392 0x3fffffc, /* dst_mask */
393 FALSE), /* pcrel_offset */
395 /* A standard 16 bit relocation. */
396 HOWTO (R_PPC_ADDR16, /* type */
398 1, /* size (0 = byte, 1 = short, 2 = long) */
400 FALSE, /* pc_relative */
402 complain_overflow_bitfield, /* complain_on_overflow */
403 bfd_elf_generic_reloc, /* special_function */
404 "R_PPC_ADDR16", /* name */
405 FALSE, /* partial_inplace */
407 0xffff, /* dst_mask */
408 FALSE), /* pcrel_offset */
410 /* A 16 bit relocation without overflow. */
411 HOWTO (R_PPC_ADDR16_LO, /* type */
413 1, /* size (0 = byte, 1 = short, 2 = long) */
415 FALSE, /* pc_relative */
417 complain_overflow_dont,/* complain_on_overflow */
418 bfd_elf_generic_reloc, /* special_function */
419 "R_PPC_ADDR16_LO", /* name */
420 FALSE, /* partial_inplace */
422 0xffff, /* dst_mask */
423 FALSE), /* pcrel_offset */
425 /* The high order 16 bits of an address. */
426 HOWTO (R_PPC_ADDR16_HI, /* type */
428 1, /* size (0 = byte, 1 = short, 2 = long) */
430 FALSE, /* pc_relative */
432 complain_overflow_dont, /* complain_on_overflow */
433 bfd_elf_generic_reloc, /* special_function */
434 "R_PPC_ADDR16_HI", /* name */
435 FALSE, /* partial_inplace */
437 0xffff, /* dst_mask */
438 FALSE), /* pcrel_offset */
440 /* The high order 16 bits of an address, plus 1 if the contents of
441 the low 16 bits, treated as a signed number, is negative. */
442 HOWTO (R_PPC_ADDR16_HA, /* type */
444 1, /* size (0 = byte, 1 = short, 2 = long) */
446 FALSE, /* pc_relative */
448 complain_overflow_dont, /* complain_on_overflow */
449 ppc_elf_addr16_ha_reloc, /* special_function */
450 "R_PPC_ADDR16_HA", /* name */
451 FALSE, /* partial_inplace */
453 0xffff, /* dst_mask */
454 FALSE), /* pcrel_offset */
456 /* An absolute 16 bit branch; the lower two bits must be zero.
457 FIXME: we don't check that, we just clear them. */
458 HOWTO (R_PPC_ADDR14, /* type */
460 2, /* size (0 = byte, 1 = short, 2 = long) */
462 FALSE, /* pc_relative */
464 complain_overflow_bitfield, /* complain_on_overflow */
465 bfd_elf_generic_reloc, /* special_function */
466 "R_PPC_ADDR14", /* name */
467 FALSE, /* partial_inplace */
469 0xfffc, /* dst_mask */
470 FALSE), /* pcrel_offset */
472 /* An absolute 16 bit branch, for which bit 10 should be set to
473 indicate that the branch is expected to be taken. The lower two
474 bits must be zero. */
475 HOWTO (R_PPC_ADDR14_BRTAKEN, /* type */
477 2, /* size (0 = byte, 1 = short, 2 = long) */
479 FALSE, /* pc_relative */
481 complain_overflow_bitfield, /* complain_on_overflow */
482 bfd_elf_generic_reloc, /* special_function */
483 "R_PPC_ADDR14_BRTAKEN",/* name */
484 FALSE, /* partial_inplace */
486 0xfffc, /* dst_mask */
487 FALSE), /* pcrel_offset */
489 /* An absolute 16 bit branch, for which bit 10 should be set to
490 indicate that the branch is not expected to be taken. The lower
491 two bits must be zero. */
492 HOWTO (R_PPC_ADDR14_BRNTAKEN, /* type */
494 2, /* size (0 = byte, 1 = short, 2 = long) */
496 FALSE, /* pc_relative */
498 complain_overflow_bitfield, /* complain_on_overflow */
499 bfd_elf_generic_reloc, /* special_function */
500 "R_PPC_ADDR14_BRNTAKEN",/* name */
501 FALSE, /* partial_inplace */
503 0xfffc, /* dst_mask */
504 FALSE), /* pcrel_offset */
506 /* A relative 26 bit branch; the lower two bits must be zero. */
507 HOWTO (R_PPC_REL24, /* type */
509 2, /* size (0 = byte, 1 = short, 2 = long) */
511 TRUE, /* pc_relative */
513 complain_overflow_signed, /* complain_on_overflow */
514 bfd_elf_generic_reloc, /* special_function */
515 "R_PPC_REL24", /* name */
516 FALSE, /* partial_inplace */
518 0x3fffffc, /* dst_mask */
519 TRUE), /* pcrel_offset */
521 /* A relative 16 bit branch; the lower two bits must be zero. */
522 HOWTO (R_PPC_REL14, /* type */
524 2, /* size (0 = byte, 1 = short, 2 = long) */
526 TRUE, /* pc_relative */
528 complain_overflow_signed, /* complain_on_overflow */
529 bfd_elf_generic_reloc, /* special_function */
530 "R_PPC_REL14", /* name */
531 FALSE, /* partial_inplace */
533 0xfffc, /* dst_mask */
534 TRUE), /* pcrel_offset */
536 /* A relative 16 bit branch. Bit 10 should be set to indicate that
537 the branch is expected to be taken. The lower two bits must be
539 HOWTO (R_PPC_REL14_BRTAKEN, /* type */
541 2, /* size (0 = byte, 1 = short, 2 = long) */
543 TRUE, /* pc_relative */
545 complain_overflow_signed, /* complain_on_overflow */
546 bfd_elf_generic_reloc, /* special_function */
547 "R_PPC_REL14_BRTAKEN", /* name */
548 FALSE, /* partial_inplace */
550 0xfffc, /* dst_mask */
551 TRUE), /* pcrel_offset */
553 /* A relative 16 bit branch. Bit 10 should be set to indicate that
554 the branch is not expected to be taken. The lower two bits must
556 HOWTO (R_PPC_REL14_BRNTAKEN, /* type */
558 2, /* size (0 = byte, 1 = short, 2 = long) */
560 TRUE, /* pc_relative */
562 complain_overflow_signed, /* complain_on_overflow */
563 bfd_elf_generic_reloc, /* special_function */
564 "R_PPC_REL14_BRNTAKEN",/* name */
565 FALSE, /* partial_inplace */
567 0xfffc, /* dst_mask */
568 TRUE), /* pcrel_offset */
570 /* Like R_PPC_ADDR16, but referring to the GOT table entry for the
572 HOWTO (R_PPC_GOT16, /* type */
574 1, /* size (0 = byte, 1 = short, 2 = long) */
576 FALSE, /* pc_relative */
578 complain_overflow_signed, /* complain_on_overflow */
579 bfd_elf_generic_reloc, /* special_function */
580 "R_PPC_GOT16", /* name */
581 FALSE, /* partial_inplace */
583 0xffff, /* dst_mask */
584 FALSE), /* pcrel_offset */
586 /* Like R_PPC_ADDR16_LO, but referring to the GOT table entry for
588 HOWTO (R_PPC_GOT16_LO, /* type */
590 1, /* size (0 = byte, 1 = short, 2 = long) */
592 FALSE, /* pc_relative */
594 complain_overflow_dont, /* complain_on_overflow */
595 bfd_elf_generic_reloc, /* special_function */
596 "R_PPC_GOT16_LO", /* name */
597 FALSE, /* partial_inplace */
599 0xffff, /* dst_mask */
600 FALSE), /* pcrel_offset */
602 /* Like R_PPC_ADDR16_HI, but referring to the GOT table entry for
604 HOWTO (R_PPC_GOT16_HI, /* type */
606 1, /* size (0 = byte, 1 = short, 2 = long) */
608 FALSE, /* pc_relative */
610 complain_overflow_bitfield, /* complain_on_overflow */
611 bfd_elf_generic_reloc, /* special_function */
612 "R_PPC_GOT16_HI", /* name */
613 FALSE, /* partial_inplace */
615 0xffff, /* dst_mask */
616 FALSE), /* pcrel_offset */
618 /* Like R_PPC_ADDR16_HA, but referring to the GOT table entry for
620 HOWTO (R_PPC_GOT16_HA, /* type */
622 1, /* size (0 = byte, 1 = short, 2 = long) */
624 FALSE, /* pc_relative */
626 complain_overflow_bitfield, /* complain_on_overflow */
627 ppc_elf_addr16_ha_reloc, /* special_function */
628 "R_PPC_GOT16_HA", /* name */
629 FALSE, /* partial_inplace */
631 0xffff, /* dst_mask */
632 FALSE), /* pcrel_offset */
634 /* Like R_PPC_REL24, but referring to the procedure linkage table
635 entry for the symbol. */
636 HOWTO (R_PPC_PLTREL24, /* type */
638 2, /* size (0 = byte, 1 = short, 2 = long) */
640 TRUE, /* pc_relative */
642 complain_overflow_signed, /* complain_on_overflow */
643 bfd_elf_generic_reloc, /* special_function */
644 "R_PPC_PLTREL24", /* name */
645 FALSE, /* partial_inplace */
647 0x3fffffc, /* dst_mask */
648 TRUE), /* pcrel_offset */
650 /* This is used only by the dynamic linker. The symbol should exist
651 both in the object being run and in some shared library. The
652 dynamic linker copies the data addressed by the symbol from the
653 shared library into the object, because the object being
654 run has to have the data at some particular address. */
655 HOWTO (R_PPC_COPY, /* type */
657 2, /* size (0 = byte, 1 = short, 2 = long) */
659 FALSE, /* pc_relative */
661 complain_overflow_bitfield, /* complain_on_overflow */
662 bfd_elf_generic_reloc, /* special_function */
663 "R_PPC_COPY", /* name */
664 FALSE, /* partial_inplace */
667 FALSE), /* pcrel_offset */
669 /* Like R_PPC_ADDR32, but used when setting global offset table
671 HOWTO (R_PPC_GLOB_DAT, /* type */
673 2, /* size (0 = byte, 1 = short, 2 = long) */
675 FALSE, /* pc_relative */
677 complain_overflow_bitfield, /* complain_on_overflow */
678 bfd_elf_generic_reloc, /* special_function */
679 "R_PPC_GLOB_DAT", /* name */
680 FALSE, /* partial_inplace */
682 0xffffffff, /* dst_mask */
683 FALSE), /* pcrel_offset */
685 /* Marks a procedure linkage table entry for a symbol. */
686 HOWTO (R_PPC_JMP_SLOT, /* type */
688 2, /* size (0 = byte, 1 = short, 2 = long) */
690 FALSE, /* pc_relative */
692 complain_overflow_bitfield, /* complain_on_overflow */
693 bfd_elf_generic_reloc, /* special_function */
694 "R_PPC_JMP_SLOT", /* name */
695 FALSE, /* partial_inplace */
698 FALSE), /* pcrel_offset */
700 /* Used only by the dynamic linker. When the object is run, this
701 longword is set to the load address of the object, plus the
703 HOWTO (R_PPC_RELATIVE, /* type */
705 2, /* size (0 = byte, 1 = short, 2 = long) */
707 FALSE, /* pc_relative */
709 complain_overflow_bitfield, /* complain_on_overflow */
710 bfd_elf_generic_reloc, /* special_function */
711 "R_PPC_RELATIVE", /* name */
712 FALSE, /* partial_inplace */
714 0xffffffff, /* dst_mask */
715 FALSE), /* pcrel_offset */
717 /* Like R_PPC_REL24, but uses the value of the symbol within the
718 object rather than the final value. Normally used for
719 _GLOBAL_OFFSET_TABLE_. */
720 HOWTO (R_PPC_LOCAL24PC, /* type */
722 2, /* size (0 = byte, 1 = short, 2 = long) */
724 TRUE, /* pc_relative */
726 complain_overflow_signed, /* complain_on_overflow */
727 bfd_elf_generic_reloc, /* special_function */
728 "R_PPC_LOCAL24PC", /* name */
729 FALSE, /* partial_inplace */
731 0x3fffffc, /* dst_mask */
732 TRUE), /* pcrel_offset */
734 /* Like R_PPC_ADDR32, but may be unaligned. */
735 HOWTO (R_PPC_UADDR32, /* type */
737 2, /* size (0 = byte, 1 = short, 2 = long) */
739 FALSE, /* pc_relative */
741 complain_overflow_bitfield, /* complain_on_overflow */
742 bfd_elf_generic_reloc, /* special_function */
743 "R_PPC_UADDR32", /* name */
744 FALSE, /* partial_inplace */
746 0xffffffff, /* dst_mask */
747 FALSE), /* pcrel_offset */
749 /* Like R_PPC_ADDR16, but may be unaligned. */
750 HOWTO (R_PPC_UADDR16, /* type */
752 1, /* size (0 = byte, 1 = short, 2 = long) */
754 FALSE, /* pc_relative */
756 complain_overflow_bitfield, /* complain_on_overflow */
757 bfd_elf_generic_reloc, /* special_function */
758 "R_PPC_UADDR16", /* name */
759 FALSE, /* partial_inplace */
761 0xffff, /* dst_mask */
762 FALSE), /* pcrel_offset */
764 /* 32-bit PC relative */
765 HOWTO (R_PPC_REL32, /* type */
767 2, /* size (0 = byte, 1 = short, 2 = long) */
769 TRUE, /* pc_relative */
771 complain_overflow_bitfield, /* complain_on_overflow */
772 bfd_elf_generic_reloc, /* special_function */
773 "R_PPC_REL32", /* name */
774 FALSE, /* partial_inplace */
776 0xffffffff, /* dst_mask */
777 TRUE), /* pcrel_offset */
779 /* 32-bit relocation to the symbol's procedure linkage table.
780 FIXME: not supported. */
781 HOWTO (R_PPC_PLT32, /* type */
783 2, /* size (0 = byte, 1 = short, 2 = long) */
785 FALSE, /* pc_relative */
787 complain_overflow_bitfield, /* complain_on_overflow */
788 bfd_elf_generic_reloc, /* special_function */
789 "R_PPC_PLT32", /* name */
790 FALSE, /* partial_inplace */
793 FALSE), /* pcrel_offset */
795 /* 32-bit PC relative relocation to the symbol's procedure linkage table.
796 FIXME: not supported. */
797 HOWTO (R_PPC_PLTREL32, /* type */
799 2, /* size (0 = byte, 1 = short, 2 = long) */
801 TRUE, /* pc_relative */
803 complain_overflow_bitfield, /* complain_on_overflow */
804 bfd_elf_generic_reloc, /* special_function */
805 "R_PPC_PLTREL32", /* name */
806 FALSE, /* partial_inplace */
809 TRUE), /* pcrel_offset */
811 /* Like R_PPC_ADDR16_LO, but referring to the PLT table entry for
813 HOWTO (R_PPC_PLT16_LO, /* type */
815 1, /* size (0 = byte, 1 = short, 2 = long) */
817 FALSE, /* pc_relative */
819 complain_overflow_dont, /* complain_on_overflow */
820 bfd_elf_generic_reloc, /* special_function */
821 "R_PPC_PLT16_LO", /* name */
822 FALSE, /* partial_inplace */
824 0xffff, /* dst_mask */
825 FALSE), /* pcrel_offset */
827 /* Like R_PPC_ADDR16_HI, but referring to the PLT table entry for
829 HOWTO (R_PPC_PLT16_HI, /* type */
831 1, /* size (0 = byte, 1 = short, 2 = long) */
833 FALSE, /* pc_relative */
835 complain_overflow_bitfield, /* complain_on_overflow */
836 bfd_elf_generic_reloc, /* special_function */
837 "R_PPC_PLT16_HI", /* name */
838 FALSE, /* partial_inplace */
840 0xffff, /* dst_mask */
841 FALSE), /* pcrel_offset */
843 /* Like R_PPC_ADDR16_HA, but referring to the PLT table entry for
845 HOWTO (R_PPC_PLT16_HA, /* type */
847 1, /* size (0 = byte, 1 = short, 2 = long) */
849 FALSE, /* pc_relative */
851 complain_overflow_bitfield, /* complain_on_overflow */
852 ppc_elf_addr16_ha_reloc, /* special_function */
853 "R_PPC_PLT16_HA", /* name */
854 FALSE, /* partial_inplace */
856 0xffff, /* dst_mask */
857 FALSE), /* pcrel_offset */
859 /* A sign-extended 16 bit value relative to _SDA_BASE_, for use with
861 HOWTO (R_PPC_SDAREL16, /* type */
863 1, /* size (0 = byte, 1 = short, 2 = long) */
865 FALSE, /* pc_relative */
867 complain_overflow_signed, /* complain_on_overflow */
868 bfd_elf_generic_reloc, /* special_function */
869 "R_PPC_SDAREL16", /* name */
870 FALSE, /* partial_inplace */
872 0xffff, /* dst_mask */
873 FALSE), /* pcrel_offset */
875 /* 16-bit section relative relocation. */
876 HOWTO (R_PPC_SECTOFF, /* type */
878 1, /* size (0 = byte, 1 = short, 2 = long) */
880 FALSE, /* pc_relative */
882 complain_overflow_bitfield, /* complain_on_overflow */
883 bfd_elf_generic_reloc, /* special_function */
884 "R_PPC_SECTOFF", /* name */
885 FALSE, /* partial_inplace */
887 0xffff, /* dst_mask */
888 FALSE), /* pcrel_offset */
890 /* 16-bit lower half section relative relocation. */
891 HOWTO (R_PPC_SECTOFF_LO, /* type */
893 1, /* size (0 = byte, 1 = short, 2 = long) */
895 FALSE, /* pc_relative */
897 complain_overflow_dont, /* complain_on_overflow */
898 bfd_elf_generic_reloc, /* special_function */
899 "R_PPC_SECTOFF_LO", /* name */
900 FALSE, /* partial_inplace */
902 0xffff, /* dst_mask */
903 FALSE), /* pcrel_offset */
905 /* 16-bit upper half section relative relocation. */
906 HOWTO (R_PPC_SECTOFF_HI, /* type */
908 1, /* size (0 = byte, 1 = short, 2 = long) */
910 FALSE, /* pc_relative */
912 complain_overflow_bitfield, /* complain_on_overflow */
913 bfd_elf_generic_reloc, /* special_function */
914 "R_PPC_SECTOFF_HI", /* name */
915 FALSE, /* partial_inplace */
917 0xffff, /* dst_mask */
918 FALSE), /* pcrel_offset */
920 /* 16-bit upper half adjusted section relative relocation. */
921 HOWTO (R_PPC_SECTOFF_HA, /* type */
923 1, /* size (0 = byte, 1 = short, 2 = long) */
925 FALSE, /* pc_relative */
927 complain_overflow_bitfield, /* complain_on_overflow */
928 ppc_elf_addr16_ha_reloc, /* special_function */
929 "R_PPC_SECTOFF_HA", /* name */
930 FALSE, /* partial_inplace */
932 0xffff, /* dst_mask */
933 FALSE), /* pcrel_offset */
935 /* Marker reloc for TLS. */
938 2, /* size (0 = byte, 1 = short, 2 = long) */
940 FALSE, /* pc_relative */
942 complain_overflow_dont, /* complain_on_overflow */
943 bfd_elf_generic_reloc, /* special_function */
944 "R_PPC_TLS", /* name */
945 FALSE, /* partial_inplace */
948 FALSE), /* pcrel_offset */
950 /* Computes the load module index of the load module that contains the
951 definition of its TLS sym. */
952 HOWTO (R_PPC_DTPMOD32,
954 2, /* size (0 = byte, 1 = short, 2 = long) */
956 FALSE, /* pc_relative */
958 complain_overflow_dont, /* complain_on_overflow */
959 ppc_elf_unhandled_reloc, /* special_function */
960 "R_PPC_DTPMOD32", /* name */
961 FALSE, /* partial_inplace */
963 0xffffffff, /* dst_mask */
964 FALSE), /* pcrel_offset */
966 /* Computes a dtv-relative displacement, the difference between the value
967 of sym+add and the base address of the thread-local storage block that
968 contains the definition of sym, minus 0x8000. */
969 HOWTO (R_PPC_DTPREL32,
971 2, /* size (0 = byte, 1 = short, 2 = long) */
973 FALSE, /* pc_relative */
975 complain_overflow_dont, /* complain_on_overflow */
976 ppc_elf_unhandled_reloc, /* special_function */
977 "R_PPC_DTPREL32", /* name */
978 FALSE, /* partial_inplace */
980 0xffffffff, /* dst_mask */
981 FALSE), /* pcrel_offset */
983 /* A 16 bit dtprel reloc. */
984 HOWTO (R_PPC_DTPREL16,
986 1, /* size (0 = byte, 1 = short, 2 = long) */
988 FALSE, /* pc_relative */
990 complain_overflow_signed, /* complain_on_overflow */
991 ppc_elf_unhandled_reloc, /* special_function */
992 "R_PPC_DTPREL16", /* name */
993 FALSE, /* partial_inplace */
995 0xffff, /* dst_mask */
996 FALSE), /* pcrel_offset */
998 /* Like DTPREL16, but no overflow. */
999 HOWTO (R_PPC_DTPREL16_LO,
1001 1, /* size (0 = byte, 1 = short, 2 = long) */
1003 FALSE, /* pc_relative */
1005 complain_overflow_dont, /* complain_on_overflow */
1006 ppc_elf_unhandled_reloc, /* special_function */
1007 "R_PPC_DTPREL16_LO", /* name */
1008 FALSE, /* partial_inplace */
1010 0xffff, /* dst_mask */
1011 FALSE), /* pcrel_offset */
1013 /* Like DTPREL16_LO, but next higher group of 16 bits. */
1014 HOWTO (R_PPC_DTPREL16_HI,
1015 16, /* rightshift */
1016 1, /* size (0 = byte, 1 = short, 2 = long) */
1018 FALSE, /* pc_relative */
1020 complain_overflow_dont, /* complain_on_overflow */
1021 ppc_elf_unhandled_reloc, /* special_function */
1022 "R_PPC_DTPREL16_HI", /* name */
1023 FALSE, /* partial_inplace */
1025 0xffff, /* dst_mask */
1026 FALSE), /* pcrel_offset */
1028 /* Like DTPREL16_HI, but adjust for low 16 bits. */
1029 HOWTO (R_PPC_DTPREL16_HA,
1030 16, /* rightshift */
1031 1, /* size (0 = byte, 1 = short, 2 = long) */
1033 FALSE, /* pc_relative */
1035 complain_overflow_dont, /* complain_on_overflow */
1036 ppc_elf_unhandled_reloc, /* special_function */
1037 "R_PPC_DTPREL16_HA", /* name */
1038 FALSE, /* partial_inplace */
1040 0xffff, /* dst_mask */
1041 FALSE), /* pcrel_offset */
1043 /* Computes a tp-relative displacement, the difference between the value of
1044 sym+add and the value of the thread pointer (r13). */
1045 HOWTO (R_PPC_TPREL32,
1047 2, /* size (0 = byte, 1 = short, 2 = long) */
1049 FALSE, /* pc_relative */
1051 complain_overflow_dont, /* complain_on_overflow */
1052 ppc_elf_unhandled_reloc, /* special_function */
1053 "R_PPC_TPREL32", /* name */
1054 FALSE, /* partial_inplace */
1056 0xffffffff, /* dst_mask */
1057 FALSE), /* pcrel_offset */
1059 /* A 16 bit tprel reloc. */
1060 HOWTO (R_PPC_TPREL16,
1062 1, /* size (0 = byte, 1 = short, 2 = long) */
1064 FALSE, /* pc_relative */
1066 complain_overflow_signed, /* complain_on_overflow */
1067 ppc_elf_unhandled_reloc, /* special_function */
1068 "R_PPC_TPREL16", /* name */
1069 FALSE, /* partial_inplace */
1071 0xffff, /* dst_mask */
1072 FALSE), /* pcrel_offset */
1074 /* Like TPREL16, but no overflow. */
1075 HOWTO (R_PPC_TPREL16_LO,
1077 1, /* size (0 = byte, 1 = short, 2 = long) */
1079 FALSE, /* pc_relative */
1081 complain_overflow_dont, /* complain_on_overflow */
1082 ppc_elf_unhandled_reloc, /* special_function */
1083 "R_PPC_TPREL16_LO", /* name */
1084 FALSE, /* partial_inplace */
1086 0xffff, /* dst_mask */
1087 FALSE), /* pcrel_offset */
1089 /* Like TPREL16_LO, but next higher group of 16 bits. */
1090 HOWTO (R_PPC_TPREL16_HI,
1091 16, /* rightshift */
1092 1, /* size (0 = byte, 1 = short, 2 = long) */
1094 FALSE, /* pc_relative */
1096 complain_overflow_dont, /* complain_on_overflow */
1097 ppc_elf_unhandled_reloc, /* special_function */
1098 "R_PPC_TPREL16_HI", /* name */
1099 FALSE, /* partial_inplace */
1101 0xffff, /* dst_mask */
1102 FALSE), /* pcrel_offset */
1104 /* Like TPREL16_HI, but adjust for low 16 bits. */
1105 HOWTO (R_PPC_TPREL16_HA,
1106 16, /* rightshift */
1107 1, /* size (0 = byte, 1 = short, 2 = long) */
1109 FALSE, /* pc_relative */
1111 complain_overflow_dont, /* complain_on_overflow */
1112 ppc_elf_unhandled_reloc, /* special_function */
1113 "R_PPC_TPREL16_HA", /* name */
1114 FALSE, /* partial_inplace */
1116 0xffff, /* dst_mask */
1117 FALSE), /* pcrel_offset */
1119 /* Allocates two contiguous entries in the GOT to hold a tls_index structure,
1120 with values (sym+add)@dtpmod and (sym+add)@dtprel, and computes the offset
1121 to the first entry. */
1122 HOWTO (R_PPC_GOT_TLSGD16,
1124 1, /* size (0 = byte, 1 = short, 2 = long) */
1126 FALSE, /* pc_relative */
1128 complain_overflow_signed, /* complain_on_overflow */
1129 ppc_elf_unhandled_reloc, /* special_function */
1130 "R_PPC_GOT_TLSGD16", /* name */
1131 FALSE, /* partial_inplace */
1133 0xffff, /* dst_mask */
1134 FALSE), /* pcrel_offset */
1136 /* Like GOT_TLSGD16, but no overflow. */
1137 HOWTO (R_PPC_GOT_TLSGD16_LO,
1139 1, /* size (0 = byte, 1 = short, 2 = long) */
1141 FALSE, /* pc_relative */
1143 complain_overflow_dont, /* complain_on_overflow */
1144 ppc_elf_unhandled_reloc, /* special_function */
1145 "R_PPC_GOT_TLSGD16_LO", /* name */
1146 FALSE, /* partial_inplace */
1148 0xffff, /* dst_mask */
1149 FALSE), /* pcrel_offset */
1151 /* Like GOT_TLSGD16_LO, but next higher group of 16 bits. */
1152 HOWTO (R_PPC_GOT_TLSGD16_HI,
1153 16, /* rightshift */
1154 1, /* size (0 = byte, 1 = short, 2 = long) */
1156 FALSE, /* pc_relative */
1158 complain_overflow_dont, /* complain_on_overflow */
1159 ppc_elf_unhandled_reloc, /* special_function */
1160 "R_PPC_GOT_TLSGD16_HI", /* name */
1161 FALSE, /* partial_inplace */
1163 0xffff, /* dst_mask */
1164 FALSE), /* pcrel_offset */
1166 /* Like GOT_TLSGD16_HI, but adjust for low 16 bits. */
1167 HOWTO (R_PPC_GOT_TLSGD16_HA,
1168 16, /* rightshift */
1169 1, /* size (0 = byte, 1 = short, 2 = long) */
1171 FALSE, /* pc_relative */
1173 complain_overflow_dont, /* complain_on_overflow */
1174 ppc_elf_unhandled_reloc, /* special_function */
1175 "R_PPC_GOT_TLSGD16_HA", /* name */
1176 FALSE, /* partial_inplace */
1178 0xffff, /* dst_mask */
1179 FALSE), /* pcrel_offset */
1181 /* Allocates two contiguous entries in the GOT to hold a tls_index structure,
1182 with values (sym+add)@dtpmod and zero, and computes the offset to the
1184 HOWTO (R_PPC_GOT_TLSLD16,
1186 1, /* size (0 = byte, 1 = short, 2 = long) */
1188 FALSE, /* pc_relative */
1190 complain_overflow_signed, /* complain_on_overflow */
1191 ppc_elf_unhandled_reloc, /* special_function */
1192 "R_PPC_GOT_TLSLD16", /* name */
1193 FALSE, /* partial_inplace */
1195 0xffff, /* dst_mask */
1196 FALSE), /* pcrel_offset */
1198 /* Like GOT_TLSLD16, but no overflow. */
1199 HOWTO (R_PPC_GOT_TLSLD16_LO,
1201 1, /* size (0 = byte, 1 = short, 2 = long) */
1203 FALSE, /* pc_relative */
1205 complain_overflow_dont, /* complain_on_overflow */
1206 ppc_elf_unhandled_reloc, /* special_function */
1207 "R_PPC_GOT_TLSLD16_LO", /* name */
1208 FALSE, /* partial_inplace */
1210 0xffff, /* dst_mask */
1211 FALSE), /* pcrel_offset */
1213 /* Like GOT_TLSLD16_LO, but next higher group of 16 bits. */
1214 HOWTO (R_PPC_GOT_TLSLD16_HI,
1215 16, /* rightshift */
1216 1, /* size (0 = byte, 1 = short, 2 = long) */
1218 FALSE, /* pc_relative */
1220 complain_overflow_dont, /* complain_on_overflow */
1221 ppc_elf_unhandled_reloc, /* special_function */
1222 "R_PPC_GOT_TLSLD16_HI", /* name */
1223 FALSE, /* partial_inplace */
1225 0xffff, /* dst_mask */
1226 FALSE), /* pcrel_offset */
1228 /* Like GOT_TLSLD16_HI, but adjust for low 16 bits. */
1229 HOWTO (R_PPC_GOT_TLSLD16_HA,
1230 16, /* rightshift */
1231 1, /* size (0 = byte, 1 = short, 2 = long) */
1233 FALSE, /* pc_relative */
1235 complain_overflow_dont, /* complain_on_overflow */
1236 ppc_elf_unhandled_reloc, /* special_function */
1237 "R_PPC_GOT_TLSLD16_HA", /* name */
1238 FALSE, /* partial_inplace */
1240 0xffff, /* dst_mask */
1241 FALSE), /* pcrel_offset */
1243 /* Allocates an entry in the GOT with value (sym+add)@dtprel, and computes
1244 the offset to the entry. */
1245 HOWTO (R_PPC_GOT_DTPREL16,
1247 1, /* size (0 = byte, 1 = short, 2 = long) */
1249 FALSE, /* pc_relative */
1251 complain_overflow_signed, /* complain_on_overflow */
1252 ppc_elf_unhandled_reloc, /* special_function */
1253 "R_PPC_GOT_DTPREL16", /* name */
1254 FALSE, /* partial_inplace */
1256 0xffff, /* dst_mask */
1257 FALSE), /* pcrel_offset */
1259 /* Like GOT_DTPREL16, but no overflow. */
1260 HOWTO (R_PPC_GOT_DTPREL16_LO,
1262 1, /* size (0 = byte, 1 = short, 2 = long) */
1264 FALSE, /* pc_relative */
1266 complain_overflow_dont, /* complain_on_overflow */
1267 ppc_elf_unhandled_reloc, /* special_function */
1268 "R_PPC_GOT_DTPREL16_LO", /* name */
1269 FALSE, /* partial_inplace */
1271 0xffff, /* dst_mask */
1272 FALSE), /* pcrel_offset */
1274 /* Like GOT_DTPREL16_LO, but next higher group of 16 bits. */
1275 HOWTO (R_PPC_GOT_DTPREL16_HI,
1276 16, /* rightshift */
1277 1, /* size (0 = byte, 1 = short, 2 = long) */
1279 FALSE, /* pc_relative */
1281 complain_overflow_dont, /* complain_on_overflow */
1282 ppc_elf_unhandled_reloc, /* special_function */
1283 "R_PPC_GOT_DTPREL16_HI", /* name */
1284 FALSE, /* partial_inplace */
1286 0xffff, /* dst_mask */
1287 FALSE), /* pcrel_offset */
1289 /* Like GOT_DTPREL16_HI, but adjust for low 16 bits. */
1290 HOWTO (R_PPC_GOT_DTPREL16_HA,
1291 16, /* rightshift */
1292 1, /* size (0 = byte, 1 = short, 2 = long) */
1294 FALSE, /* pc_relative */
1296 complain_overflow_dont, /* complain_on_overflow */
1297 ppc_elf_unhandled_reloc, /* special_function */
1298 "R_PPC_GOT_DTPREL16_HA", /* name */
1299 FALSE, /* partial_inplace */
1301 0xffff, /* dst_mask */
1302 FALSE), /* pcrel_offset */
1304 /* Allocates an entry in the GOT with value (sym+add)@tprel, and computes the
1305 offset to the entry. */
1306 HOWTO (R_PPC_GOT_TPREL16,
1308 1, /* size (0 = byte, 1 = short, 2 = long) */
1310 FALSE, /* pc_relative */
1312 complain_overflow_signed, /* complain_on_overflow */
1313 ppc_elf_unhandled_reloc, /* special_function */
1314 "R_PPC_GOT_TPREL16", /* name */
1315 FALSE, /* partial_inplace */
1317 0xffff, /* dst_mask */
1318 FALSE), /* pcrel_offset */
1320 /* Like GOT_TPREL16, but no overflow. */
1321 HOWTO (R_PPC_GOT_TPREL16_LO,
1323 1, /* size (0 = byte, 1 = short, 2 = long) */
1325 FALSE, /* pc_relative */
1327 complain_overflow_dont, /* complain_on_overflow */
1328 ppc_elf_unhandled_reloc, /* special_function */
1329 "R_PPC_GOT_TPREL16_LO", /* name */
1330 FALSE, /* partial_inplace */
1332 0xffff, /* dst_mask */
1333 FALSE), /* pcrel_offset */
1335 /* Like GOT_TPREL16_LO, but next higher group of 16 bits. */
1336 HOWTO (R_PPC_GOT_TPREL16_HI,
1337 16, /* rightshift */
1338 1, /* size (0 = byte, 1 = short, 2 = long) */
1340 FALSE, /* pc_relative */
1342 complain_overflow_dont, /* complain_on_overflow */
1343 ppc_elf_unhandled_reloc, /* special_function */
1344 "R_PPC_GOT_TPREL16_HI", /* name */
1345 FALSE, /* partial_inplace */
1347 0xffff, /* dst_mask */
1348 FALSE), /* pcrel_offset */
1350 /* Like GOT_TPREL16_HI, but adjust for low 16 bits. */
1351 HOWTO (R_PPC_GOT_TPREL16_HA,
1352 16, /* rightshift */
1353 1, /* size (0 = byte, 1 = short, 2 = long) */
1355 FALSE, /* pc_relative */
1357 complain_overflow_dont, /* complain_on_overflow */
1358 ppc_elf_unhandled_reloc, /* special_function */
1359 "R_PPC_GOT_TPREL16_HA", /* name */
1360 FALSE, /* partial_inplace */
1362 0xffff, /* dst_mask */
1363 FALSE), /* pcrel_offset */
1365 /* The remaining relocs are from the Embedded ELF ABI, and are not
1366 in the SVR4 ELF ABI. */
1368 /* 32 bit value resulting from the addend minus the symbol. */
1369 HOWTO (R_PPC_EMB_NADDR32, /* type */
1371 2, /* size (0 = byte, 1 = short, 2 = long) */
1373 FALSE, /* pc_relative */
1375 complain_overflow_bitfield, /* complain_on_overflow */
1376 bfd_elf_generic_reloc, /* special_function */
1377 "R_PPC_EMB_NADDR32", /* name */
1378 FALSE, /* partial_inplace */
1380 0xffffffff, /* dst_mask */
1381 FALSE), /* pcrel_offset */
1383 /* 16 bit value resulting from the addend minus the symbol. */
1384 HOWTO (R_PPC_EMB_NADDR16, /* type */
1386 1, /* size (0 = byte, 1 = short, 2 = long) */
1388 FALSE, /* pc_relative */
1390 complain_overflow_bitfield, /* complain_on_overflow */
1391 bfd_elf_generic_reloc, /* special_function */
1392 "R_PPC_EMB_NADDR16", /* name */
1393 FALSE, /* partial_inplace */
1395 0xffff, /* dst_mask */
1396 FALSE), /* pcrel_offset */
1398 /* 16 bit value resulting from the addend minus the symbol. */
1399 HOWTO (R_PPC_EMB_NADDR16_LO, /* type */
1401 1, /* size (0 = byte, 1 = short, 2 = long) */
1403 FALSE, /* pc_relative */
1405 complain_overflow_dont,/* complain_on_overflow */
1406 bfd_elf_generic_reloc, /* special_function */
1407 "R_PPC_EMB_ADDR16_LO", /* name */
1408 FALSE, /* partial_inplace */
1410 0xffff, /* dst_mask */
1411 FALSE), /* pcrel_offset */
1413 /* The high order 16 bits of the addend minus the symbol. */
1414 HOWTO (R_PPC_EMB_NADDR16_HI, /* type */
1415 16, /* rightshift */
1416 1, /* size (0 = byte, 1 = short, 2 = long) */
1418 FALSE, /* pc_relative */
1420 complain_overflow_dont, /* complain_on_overflow */
1421 bfd_elf_generic_reloc, /* special_function */
1422 "R_PPC_EMB_NADDR16_HI", /* name */
1423 FALSE, /* partial_inplace */
1425 0xffff, /* dst_mask */
1426 FALSE), /* pcrel_offset */
1428 /* The high order 16 bits of the result of the addend minus the address,
1429 plus 1 if the contents of the low 16 bits, treated as a signed number,
1431 HOWTO (R_PPC_EMB_NADDR16_HA, /* type */
1432 16, /* rightshift */
1433 1, /* size (0 = byte, 1 = short, 2 = long) */
1435 FALSE, /* pc_relative */
1437 complain_overflow_dont, /* complain_on_overflow */
1438 ppc_elf_addr16_ha_reloc, /* special_function */
1439 "R_PPC_EMB_NADDR16_HA", /* name */
1440 FALSE, /* partial_inplace */
1442 0xffff, /* dst_mask */
1443 FALSE), /* pcrel_offset */
1445 /* 16 bit value resulting from allocating a 4 byte word to hold an
1446 address in the .sdata section, and returning the offset from
1447 _SDA_BASE_ for that relocation. */
1448 HOWTO (R_PPC_EMB_SDAI16, /* type */
1450 1, /* size (0 = byte, 1 = short, 2 = long) */
1452 FALSE, /* pc_relative */
1454 complain_overflow_bitfield, /* complain_on_overflow */
1455 bfd_elf_generic_reloc, /* special_function */
1456 "R_PPC_EMB_SDAI16", /* name */
1457 FALSE, /* partial_inplace */
1459 0xffff, /* dst_mask */
1460 FALSE), /* pcrel_offset */
1462 /* 16 bit value resulting from allocating a 4 byte word to hold an
1463 address in the .sdata2 section, and returning the offset from
1464 _SDA2_BASE_ for that relocation. */
1465 HOWTO (R_PPC_EMB_SDA2I16, /* type */
1467 1, /* size (0 = byte, 1 = short, 2 = long) */
1469 FALSE, /* pc_relative */
1471 complain_overflow_bitfield, /* complain_on_overflow */
1472 bfd_elf_generic_reloc, /* special_function */
1473 "R_PPC_EMB_SDA2I16", /* name */
1474 FALSE, /* partial_inplace */
1476 0xffff, /* dst_mask */
1477 FALSE), /* pcrel_offset */
1479 /* A sign-extended 16 bit value relative to _SDA2_BASE_, for use with
1480 small data items. */
1481 HOWTO (R_PPC_EMB_SDA2REL, /* type */
1483 1, /* size (0 = byte, 1 = short, 2 = long) */
1485 FALSE, /* pc_relative */
1487 complain_overflow_signed, /* complain_on_overflow */
1488 bfd_elf_generic_reloc, /* special_function */
1489 "R_PPC_EMB_SDA2REL", /* name */
1490 FALSE, /* partial_inplace */
1492 0xffff, /* dst_mask */
1493 FALSE), /* pcrel_offset */
1495 /* Relocate against either _SDA_BASE_ or _SDA2_BASE_, filling in the 16 bit
1496 signed offset from the appropriate base, and filling in the register
1497 field with the appropriate register (0, 2, or 13). */
1498 HOWTO (R_PPC_EMB_SDA21, /* type */
1500 2, /* size (0 = byte, 1 = short, 2 = long) */
1502 FALSE, /* pc_relative */
1504 complain_overflow_signed, /* complain_on_overflow */
1505 bfd_elf_generic_reloc, /* special_function */
1506 "R_PPC_EMB_SDA21", /* name */
1507 FALSE, /* partial_inplace */
1509 0xffff, /* dst_mask */
1510 FALSE), /* pcrel_offset */
1512 /* Relocation not handled: R_PPC_EMB_MRKREF */
1513 /* Relocation not handled: R_PPC_EMB_RELSEC16 */
1514 /* Relocation not handled: R_PPC_EMB_RELST_LO */
1515 /* Relocation not handled: R_PPC_EMB_RELST_HI */
1516 /* Relocation not handled: R_PPC_EMB_RELST_HA */
1517 /* Relocation not handled: R_PPC_EMB_BIT_FLD */
1519 /* PC relative relocation against either _SDA_BASE_ or _SDA2_BASE_, filling
1520 in the 16 bit signed offset from the appropriate base, and filling in the
1521 register field with the appropriate register (0, 2, or 13). */
1522 HOWTO (R_PPC_EMB_RELSDA, /* type */
1524 1, /* size (0 = byte, 1 = short, 2 = long) */
1526 TRUE, /* pc_relative */
1528 complain_overflow_signed, /* complain_on_overflow */
1529 bfd_elf_generic_reloc, /* special_function */
1530 "R_PPC_EMB_RELSDA", /* name */
1531 FALSE, /* partial_inplace */
1533 0xffff, /* dst_mask */
1534 FALSE), /* pcrel_offset */
1536 /* GNU extension to record C++ vtable hierarchy. */
1537 HOWTO (R_PPC_GNU_VTINHERIT, /* type */
1539 0, /* size (0 = byte, 1 = short, 2 = long) */
1541 FALSE, /* pc_relative */
1543 complain_overflow_dont, /* complain_on_overflow */
1544 NULL, /* special_function */
1545 "R_PPC_GNU_VTINHERIT", /* name */
1546 FALSE, /* partial_inplace */
1549 FALSE), /* pcrel_offset */
1551 /* GNU extension to record C++ vtable member usage. */
1552 HOWTO (R_PPC_GNU_VTENTRY, /* type */
1554 0, /* size (0 = byte, 1 = short, 2 = long) */
1556 FALSE, /* pc_relative */
1558 complain_overflow_dont, /* complain_on_overflow */
1559 NULL, /* special_function */
1560 "R_PPC_GNU_VTENTRY", /* name */
1561 FALSE, /* partial_inplace */
1564 FALSE), /* pcrel_offset */
1566 /* Phony reloc to handle AIX style TOC entries. */
1567 HOWTO (R_PPC_TOC16, /* type */
1569 1, /* size (0 = byte, 1 = short, 2 = long) */
1571 FALSE, /* pc_relative */
1573 complain_overflow_signed, /* complain_on_overflow */
1574 bfd_elf_generic_reloc, /* special_function */
1575 "R_PPC_TOC16", /* name */
1576 FALSE, /* partial_inplace */
1578 0xffff, /* dst_mask */
1579 FALSE), /* pcrel_offset */
1582 /* Initialize the ppc_elf_howto_table, so that linear accesses can be done. */
1585 ppc_elf_howto_init (void)
1587 unsigned int i, type;
1590 i < sizeof (ppc_elf_howto_raw) / sizeof (ppc_elf_howto_raw[0]);
1593 type = ppc_elf_howto_raw[i].type;
1594 if (type >= (sizeof (ppc_elf_howto_table)
1595 / sizeof (ppc_elf_howto_table[0])))
1597 ppc_elf_howto_table[type] = &ppc_elf_howto_raw[i];
1601 #define ARRAY_SIZE(a) (sizeof (a) / sizeof ((a)[0]))
1603 static const int shared_stub_entry[] =
1605 0x7c0802a6, /* mflr 0 */
1606 0x429f0005, /* bcl 20, 31, .Lxxx */
1607 0x7d6802a6, /* mflr 11 */
1608 0x3d6b0000, /* addis 11, 11, (xxx-.Lxxx)@ha */
1609 0x396b0018, /* addi 11, 11, (xxx-.Lxxx)@l */
1610 0x7c0803a6, /* mtlr 0 */
1611 0x7d6903a6, /* mtctr 11 */
1612 0x4e800420, /* bctr */
1615 static const int stub_entry[] =
1617 0x3d600000, /* lis 11,xxx@ha */
1618 0x396b0000, /* addi 11,11,xxx@l */
1619 0x7d6903a6, /* mtctr 11 */
1620 0x4e800420, /* bctr */
1625 ppc_elf_relax_section (bfd *abfd,
1627 struct bfd_link_info *link_info,
1632 struct one_fixup *next;
1638 Elf_Internal_Shdr *symtab_hdr;
1639 bfd_byte *contents = NULL;
1640 Elf_Internal_Sym *isymbuf = NULL;
1641 Elf_Internal_Rela *internal_relocs = NULL;
1642 Elf_Internal_Rela *irel, *irelend;
1643 struct one_fixup *fixups = NULL;
1644 bfd_boolean changed;
1645 struct ppc_elf_link_hash_table *ppc_info;
1646 bfd_size_type trampoff;
1650 /* Nothing to do if there are no relocations. */
1651 if ((isec->flags & SEC_RELOC) == 0 || isec->reloc_count == 0)
1654 trampoff = (isec->size + 3) & (bfd_vma) -4;
1655 /* Space for a branch around any trampolines. */
1658 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
1660 /* Get a copy of the native relocations. */
1661 internal_relocs = _bfd_elf_link_read_relocs (abfd, isec, NULL, NULL,
1662 link_info->keep_memory);
1663 if (internal_relocs == NULL)
1666 ppc_info = ppc_elf_hash_table (link_info);
1667 irelend = internal_relocs + isec->reloc_count;
1669 for (irel = internal_relocs; irel < irelend; irel++)
1671 unsigned long r_type = ELF32_R_TYPE (irel->r_info);
1672 bfd_vma symaddr, reladdr, toff, roff;
1674 struct one_fixup *f;
1675 size_t insn_offset = 0;
1676 bfd_vma max_branch_offset, val;
1679 unsigned char sym_type;
1684 case R_PPC_LOCAL24PC:
1685 case R_PPC_PLTREL24:
1686 max_branch_offset = 1 << 25;
1690 case R_PPC_REL14_BRTAKEN:
1691 case R_PPC_REL14_BRNTAKEN:
1692 max_branch_offset = 1 << 15;
1699 /* Get the value of the symbol referred to by the reloc. */
1700 if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
1702 /* A local symbol. */
1703 Elf_Internal_Sym *isym;
1705 /* Read this BFD's local symbols. */
1706 if (isymbuf == NULL)
1708 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
1709 if (isymbuf == NULL)
1710 isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
1711 symtab_hdr->sh_info, 0,
1716 isym = isymbuf + ELF32_R_SYM (irel->r_info);
1717 if (isym->st_shndx == SHN_UNDEF)
1718 continue; /* We can't do anything with undefined symbols. */
1719 else if (isym->st_shndx == SHN_ABS)
1720 tsec = bfd_abs_section_ptr;
1721 else if (isym->st_shndx == SHN_COMMON)
1722 tsec = bfd_com_section_ptr;
1724 tsec = bfd_section_from_elf_index (abfd, isym->st_shndx);
1726 toff = isym->st_value;
1727 sym_type = ELF_ST_TYPE (isym->st_info);
1731 /* Global symbol handling. */
1733 struct elf_link_hash_entry *h;
1735 indx = ELF32_R_SYM (irel->r_info) - symtab_hdr->sh_info;
1736 h = elf_sym_hashes (abfd)[indx];
1738 while (h->root.type == bfd_link_hash_indirect
1739 || h->root.type == bfd_link_hash_warning)
1740 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1742 if (r_type == R_PPC_PLTREL24
1743 && ppc_info->plt != NULL
1744 && h->plt.offset != (bfd_vma) -1)
1746 tsec = ppc_info->plt;
1747 toff = h->plt.offset;
1749 else if (h->root.type == bfd_link_hash_defined
1750 || h->root.type == bfd_link_hash_defweak)
1752 tsec = h->root.u.def.section;
1753 toff = h->root.u.def.value;
1761 /* If the branch and target are in the same section, you have
1762 no hope of adding stubs. We'll error out later should the
1767 /* There probably isn't any reason to handle symbols in
1768 SEC_MERGE sections; SEC_MERGE doesn't seem a likely
1769 attribute for a code section, and we are only looking at
1770 branches. However, implement it correctly here as a
1771 reference for other target relax_section functions. */
1772 if (0 && tsec->sec_info_type == ELF_INFO_TYPE_MERGE)
1774 /* At this stage in linking, no SEC_MERGE symbol has been
1775 adjusted, so all references to such symbols need to be
1776 passed through _bfd_merged_section_offset. (Later, in
1777 relocate_section, all SEC_MERGE symbols *except* for
1778 section symbols have been adjusted.)
1780 gas may reduce relocations against symbols in SEC_MERGE
1781 sections to a relocation against the section symbol when
1782 the original addend was zero. When the reloc is against
1783 a section symbol we should include the addend in the
1784 offset passed to _bfd_merged_section_offset, since the
1785 location of interest is the original symbol. On the
1786 other hand, an access to "sym+addend" where "sym" is not
1787 a section symbol should not include the addend; Such an
1788 access is presumed to be an offset from "sym"; The
1789 location of interest is just "sym". */
1790 if (sym_type == STT_SECTION)
1791 toff += irel->r_addend;
1793 toff = _bfd_merged_section_offset (abfd, &tsec,
1794 elf_section_data (tsec)->sec_info,
1797 if (sym_type != STT_SECTION)
1798 toff += irel->r_addend;
1801 toff += irel->r_addend;
1803 symaddr = tsec->output_section->vma + tsec->output_offset + toff;
1805 roff = irel->r_offset;
1806 reladdr = isec->output_section->vma + isec->output_offset + roff;
1808 /* If the branch is in range, no need to do anything. */
1809 if (symaddr - reladdr + max_branch_offset < 2 * max_branch_offset)
1812 /* Look for an existing fixup to this address. */
1813 for (f = fixups; f ; f = f->next)
1814 if (f->tsec == tsec && f->toff == toff)
1820 unsigned long stub_rtype;
1822 val = trampoff - roff;
1823 if (val >= max_branch_offset)
1824 /* Oh dear, we can't reach a trampoline. Don't try to add
1825 one. We'll report an error later. */
1828 if (link_info->shared)
1830 size = 4 * ARRAY_SIZE (shared_stub_entry);
1832 stub_rtype = R_PPC_RELAX32PC;
1836 size = 4 * ARRAY_SIZE (stub_entry);
1838 stub_rtype = R_PPC_RELAX32;
1841 if (R_PPC_RELAX32_PLT - R_PPC_RELAX32
1842 != R_PPC_RELAX32PC_PLT - R_PPC_RELAX32PC)
1844 if (tsec == ppc_info->plt)
1845 stub_rtype += R_PPC_RELAX32_PLT - R_PPC_RELAX32;
1847 /* Hijack the old relocation. Since we need two
1848 relocations for this use a "composite" reloc. */
1849 irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
1851 irel->r_offset = trampoff + insn_offset;
1853 /* Record the fixup so we don't do it again this section. */
1854 f = bfd_malloc (sizeof (*f));
1858 f->trampoff = trampoff;
1865 val = f->trampoff - roff;
1866 if (val >= max_branch_offset)
1869 /* Nop out the reloc, since we're finalizing things here. */
1870 irel->r_info = ELF32_R_INFO (0, R_PPC_NONE);
1873 /* Get the section contents. */
1874 if (contents == NULL)
1876 /* Get cached copy if it exists. */
1877 if (elf_section_data (isec)->this_hdr.contents != NULL)
1878 contents = elf_section_data (isec)->this_hdr.contents;
1881 /* Go get them off disk. */
1882 if (!bfd_malloc_and_get_section (abfd, isec, &contents))
1887 /* Fix up the existing branch to hit the trampoline. */
1888 hit_addr = contents + roff;
1892 case R_PPC_LOCAL24PC:
1893 case R_PPC_PLTREL24:
1894 t0 = bfd_get_32 (abfd, hit_addr);
1896 t0 |= val & 0x3fffffc;
1897 bfd_put_32 (abfd, t0, hit_addr);
1901 case R_PPC_REL14_BRTAKEN:
1902 case R_PPC_REL14_BRNTAKEN:
1903 t0 = bfd_get_32 (abfd, hit_addr);
1906 bfd_put_32 (abfd, t0, hit_addr);
1911 /* Write out the trampolines. */
1912 changed = fixups != NULL;
1922 struct one_fixup *f = fixups;
1923 fixups = fixups->next;
1928 contents = bfd_realloc (contents, trampoff);
1929 if (contents == NULL)
1932 isec->size = (isec->size + 3) & (bfd_vma) -4;
1933 /* Branch around the trampolines. */
1934 val = trampoff - isec->size + 0x48000000;
1935 dest = contents + isec->size;
1936 isec->size = trampoff;
1937 bfd_put_32 (abfd, val, dest);
1940 if (link_info->shared)
1942 stub = shared_stub_entry;
1943 size = ARRAY_SIZE (shared_stub_entry);
1948 size = ARRAY_SIZE (stub_entry);
1952 while (dest < contents + trampoff)
1954 bfd_put_32 (abfd, stub[i], dest);
1960 BFD_ASSERT (i == 0);
1964 && symtab_hdr->contents != (unsigned char *) isymbuf)
1966 if (! link_info->keep_memory)
1970 /* Cache the symbols for elf_link_input_bfd. */
1971 symtab_hdr->contents = (unsigned char *) isymbuf;
1975 if (contents != NULL
1976 && elf_section_data (isec)->this_hdr.contents != contents)
1978 if (!changed && !link_info->keep_memory)
1982 /* Cache the section contents for elf_link_input_bfd. */
1983 elf_section_data (isec)->this_hdr.contents = contents;
1987 if (elf_section_data (isec)->relocs != internal_relocs)
1990 free (internal_relocs);
1992 elf_section_data (isec)->relocs = internal_relocs;
1999 if (isymbuf != NULL && (unsigned char *) isymbuf != symtab_hdr->contents)
2001 if (contents != NULL
2002 && elf_section_data (isec)->this_hdr.contents != contents)
2004 if (internal_relocs != NULL
2005 && elf_section_data (isec)->relocs != internal_relocs)
2006 free (internal_relocs);
2010 static reloc_howto_type *
2011 ppc_elf_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
2012 bfd_reloc_code_real_type code)
2014 enum elf_ppc_reloc_type r;
2016 /* Initialize howto table if not already done. */
2017 if (!ppc_elf_howto_table[R_PPC_ADDR32])
2018 ppc_elf_howto_init ();
2025 case BFD_RELOC_NONE: r = R_PPC_NONE; break;
2026 case BFD_RELOC_32: r = R_PPC_ADDR32; break;
2027 case BFD_RELOC_PPC_BA26: r = R_PPC_ADDR24; break;
2028 case BFD_RELOC_16: r = R_PPC_ADDR16; break;
2029 case BFD_RELOC_LO16: r = R_PPC_ADDR16_LO; break;
2030 case BFD_RELOC_HI16: r = R_PPC_ADDR16_HI; break;
2031 case BFD_RELOC_HI16_S: r = R_PPC_ADDR16_HA; break;
2032 case BFD_RELOC_PPC_BA16: r = R_PPC_ADDR14; break;
2033 case BFD_RELOC_PPC_BA16_BRTAKEN: r = R_PPC_ADDR14_BRTAKEN; break;
2034 case BFD_RELOC_PPC_BA16_BRNTAKEN: r = R_PPC_ADDR14_BRNTAKEN; break;
2035 case BFD_RELOC_PPC_B26: r = R_PPC_REL24; break;
2036 case BFD_RELOC_PPC_B16: r = R_PPC_REL14; break;
2037 case BFD_RELOC_PPC_B16_BRTAKEN: r = R_PPC_REL14_BRTAKEN; break;
2038 case BFD_RELOC_PPC_B16_BRNTAKEN: r = R_PPC_REL14_BRNTAKEN; break;
2039 case BFD_RELOC_16_GOTOFF: r = R_PPC_GOT16; break;
2040 case BFD_RELOC_LO16_GOTOFF: r = R_PPC_GOT16_LO; break;
2041 case BFD_RELOC_HI16_GOTOFF: r = R_PPC_GOT16_HI; break;
2042 case BFD_RELOC_HI16_S_GOTOFF: r = R_PPC_GOT16_HA; break;
2043 case BFD_RELOC_24_PLT_PCREL: r = R_PPC_PLTREL24; break;
2044 case BFD_RELOC_PPC_COPY: r = R_PPC_COPY; break;
2045 case BFD_RELOC_PPC_GLOB_DAT: r = R_PPC_GLOB_DAT; break;
2046 case BFD_RELOC_PPC_LOCAL24PC: r = R_PPC_LOCAL24PC; break;
2047 case BFD_RELOC_32_PCREL: r = R_PPC_REL32; break;
2048 case BFD_RELOC_32_PLTOFF: r = R_PPC_PLT32; break;
2049 case BFD_RELOC_32_PLT_PCREL: r = R_PPC_PLTREL32; break;
2050 case BFD_RELOC_LO16_PLTOFF: r = R_PPC_PLT16_LO; break;
2051 case BFD_RELOC_HI16_PLTOFF: r = R_PPC_PLT16_HI; break;
2052 case BFD_RELOC_HI16_S_PLTOFF: r = R_PPC_PLT16_HA; break;
2053 case BFD_RELOC_GPREL16: r = R_PPC_SDAREL16; break;
2054 case BFD_RELOC_16_BASEREL: r = R_PPC_SECTOFF; break;
2055 case BFD_RELOC_LO16_BASEREL: r = R_PPC_SECTOFF_LO; break;
2056 case BFD_RELOC_HI16_BASEREL: r = R_PPC_SECTOFF_HI; break;
2057 case BFD_RELOC_HI16_S_BASEREL: r = R_PPC_SECTOFF_HA; break;
2058 case BFD_RELOC_CTOR: r = R_PPC_ADDR32; break;
2059 case BFD_RELOC_PPC_TOC16: r = R_PPC_TOC16; break;
2060 case BFD_RELOC_PPC_TLS: r = R_PPC_TLS; break;
2061 case BFD_RELOC_PPC_DTPMOD: r = R_PPC_DTPMOD32; break;
2062 case BFD_RELOC_PPC_TPREL16: r = R_PPC_TPREL16; break;
2063 case BFD_RELOC_PPC_TPREL16_LO: r = R_PPC_TPREL16_LO; break;
2064 case BFD_RELOC_PPC_TPREL16_HI: r = R_PPC_TPREL16_HI; break;
2065 case BFD_RELOC_PPC_TPREL16_HA: r = R_PPC_TPREL16_HA; break;
2066 case BFD_RELOC_PPC_TPREL: r = R_PPC_TPREL32; break;
2067 case BFD_RELOC_PPC_DTPREL16: r = R_PPC_DTPREL16; break;
2068 case BFD_RELOC_PPC_DTPREL16_LO: r = R_PPC_DTPREL16_LO; break;
2069 case BFD_RELOC_PPC_DTPREL16_HI: r = R_PPC_DTPREL16_HI; break;
2070 case BFD_RELOC_PPC_DTPREL16_HA: r = R_PPC_DTPREL16_HA; break;
2071 case BFD_RELOC_PPC_DTPREL: r = R_PPC_DTPREL32; break;
2072 case BFD_RELOC_PPC_GOT_TLSGD16: r = R_PPC_GOT_TLSGD16; break;
2073 case BFD_RELOC_PPC_GOT_TLSGD16_LO: r = R_PPC_GOT_TLSGD16_LO; break;
2074 case BFD_RELOC_PPC_GOT_TLSGD16_HI: r = R_PPC_GOT_TLSGD16_HI; break;
2075 case BFD_RELOC_PPC_GOT_TLSGD16_HA: r = R_PPC_GOT_TLSGD16_HA; break;
2076 case BFD_RELOC_PPC_GOT_TLSLD16: r = R_PPC_GOT_TLSLD16; break;
2077 case BFD_RELOC_PPC_GOT_TLSLD16_LO: r = R_PPC_GOT_TLSLD16_LO; break;
2078 case BFD_RELOC_PPC_GOT_TLSLD16_HI: r = R_PPC_GOT_TLSLD16_HI; break;
2079 case BFD_RELOC_PPC_GOT_TLSLD16_HA: r = R_PPC_GOT_TLSLD16_HA; break;
2080 case BFD_RELOC_PPC_GOT_TPREL16: r = R_PPC_GOT_TPREL16; break;
2081 case BFD_RELOC_PPC_GOT_TPREL16_LO: r = R_PPC_GOT_TPREL16_LO; break;
2082 case BFD_RELOC_PPC_GOT_TPREL16_HI: r = R_PPC_GOT_TPREL16_HI; break;
2083 case BFD_RELOC_PPC_GOT_TPREL16_HA: r = R_PPC_GOT_TPREL16_HA; break;
2084 case BFD_RELOC_PPC_GOT_DTPREL16: r = R_PPC_GOT_DTPREL16; break;
2085 case BFD_RELOC_PPC_GOT_DTPREL16_LO: r = R_PPC_GOT_DTPREL16_LO; break;
2086 case BFD_RELOC_PPC_GOT_DTPREL16_HI: r = R_PPC_GOT_DTPREL16_HI; break;
2087 case BFD_RELOC_PPC_GOT_DTPREL16_HA: r = R_PPC_GOT_DTPREL16_HA; break;
2088 case BFD_RELOC_PPC_EMB_NADDR32: r = R_PPC_EMB_NADDR32; break;
2089 case BFD_RELOC_PPC_EMB_NADDR16: r = R_PPC_EMB_NADDR16; break;
2090 case BFD_RELOC_PPC_EMB_NADDR16_LO: r = R_PPC_EMB_NADDR16_LO; break;
2091 case BFD_RELOC_PPC_EMB_NADDR16_HI: r = R_PPC_EMB_NADDR16_HI; break;
2092 case BFD_RELOC_PPC_EMB_NADDR16_HA: r = R_PPC_EMB_NADDR16_HA; break;
2093 case BFD_RELOC_PPC_EMB_SDAI16: r = R_PPC_EMB_SDAI16; break;
2094 case BFD_RELOC_PPC_EMB_SDA2I16: r = R_PPC_EMB_SDA2I16; break;
2095 case BFD_RELOC_PPC_EMB_SDA2REL: r = R_PPC_EMB_SDA2REL; break;
2096 case BFD_RELOC_PPC_EMB_SDA21: r = R_PPC_EMB_SDA21; break;
2097 case BFD_RELOC_PPC_EMB_MRKREF: r = R_PPC_EMB_MRKREF; break;
2098 case BFD_RELOC_PPC_EMB_RELSEC16: r = R_PPC_EMB_RELSEC16; break;
2099 case BFD_RELOC_PPC_EMB_RELST_LO: r = R_PPC_EMB_RELST_LO; break;
2100 case BFD_RELOC_PPC_EMB_RELST_HI: r = R_PPC_EMB_RELST_HI; break;
2101 case BFD_RELOC_PPC_EMB_RELST_HA: r = R_PPC_EMB_RELST_HA; break;
2102 case BFD_RELOC_PPC_EMB_BIT_FLD: r = R_PPC_EMB_BIT_FLD; break;
2103 case BFD_RELOC_PPC_EMB_RELSDA: r = R_PPC_EMB_RELSDA; break;
2104 case BFD_RELOC_VTABLE_INHERIT: r = R_PPC_GNU_VTINHERIT; break;
2105 case BFD_RELOC_VTABLE_ENTRY: r = R_PPC_GNU_VTENTRY; break;
2108 return ppc_elf_howto_table[r];
2111 /* Set the howto pointer for a PowerPC ELF reloc. */
2114 ppc_elf_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
2116 Elf_Internal_Rela *dst)
2118 /* Initialize howto table if not already done. */
2119 if (!ppc_elf_howto_table[R_PPC_ADDR32])
2120 ppc_elf_howto_init ();
2122 BFD_ASSERT (ELF32_R_TYPE (dst->r_info) < (unsigned int) R_PPC_max);
2123 cache_ptr->howto = ppc_elf_howto_table[ELF32_R_TYPE (dst->r_info)];
2126 /* Handle the R_PPC_ADDR16_HA reloc. */
2128 static bfd_reloc_status_type
2129 ppc_elf_addr16_ha_reloc (bfd *abfd ATTRIBUTE_UNUSED,
2130 arelent *reloc_entry,
2132 void *data ATTRIBUTE_UNUSED,
2133 asection *input_section,
2135 char **error_message ATTRIBUTE_UNUSED)
2139 if (output_bfd != NULL)
2141 reloc_entry->address += input_section->output_offset;
2142 return bfd_reloc_ok;
2145 if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
2146 return bfd_reloc_outofrange;
2148 if (bfd_is_com_section (symbol->section))
2151 relocation = symbol->value;
2153 relocation += symbol->section->output_section->vma;
2154 relocation += symbol->section->output_offset;
2155 relocation += reloc_entry->addend;
2157 reloc_entry->addend += (relocation & 0x8000) << 1;
2159 return bfd_reloc_continue;
2162 static bfd_reloc_status_type
2163 ppc_elf_unhandled_reloc (bfd *abfd,
2164 arelent *reloc_entry,
2167 asection *input_section,
2169 char **error_message)
2171 /* If this is a relocatable link (output_bfd test tells us), just
2172 call the generic function. Any adjustment will be done at final
2174 if (output_bfd != NULL)
2175 return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
2176 input_section, output_bfd, error_message);
2178 if (error_message != NULL)
2180 static char buf[60];
2181 sprintf (buf, _("generic linker can't handle %s"),
2182 reloc_entry->howto->name);
2183 *error_message = buf;
2185 return bfd_reloc_dangerous;
2188 /* Fix bad default arch selected for a 32 bit input bfd when the
2189 default is 64 bit. */
2192 ppc_elf_object_p (bfd *abfd)
2194 if (abfd->arch_info->the_default && abfd->arch_info->bits_per_word == 64)
2196 Elf_Internal_Ehdr *i_ehdr = elf_elfheader (abfd);
2198 if (i_ehdr->e_ident[EI_CLASS] == ELFCLASS32)
2200 /* Relies on arch after 64 bit default being 32 bit default. */
2201 abfd->arch_info = abfd->arch_info->next;
2202 BFD_ASSERT (abfd->arch_info->bits_per_word == 32);
2208 /* Function to set whether a module needs the -mrelocatable bit set. */
2211 ppc_elf_set_private_flags (bfd *abfd, flagword flags)
2213 BFD_ASSERT (!elf_flags_init (abfd)
2214 || elf_elfheader (abfd)->e_flags == flags);
2216 elf_elfheader (abfd)->e_flags = flags;
2217 elf_flags_init (abfd) = TRUE;
2221 /* Return 1 if target is one of ours. */
2224 is_ppc_elf_target (const struct bfd_target *targ)
2226 extern const bfd_target bfd_elf32_powerpc_vec;
2227 extern const bfd_target bfd_elf32_powerpcle_vec;
2229 return targ == &bfd_elf32_powerpc_vec || targ == &bfd_elf32_powerpcle_vec;
2232 /* Merge backend specific data from an object file to the output
2233 object file when linking. */
2236 ppc_elf_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
2242 if (!is_ppc_elf_target (ibfd->xvec)
2243 || !is_ppc_elf_target (obfd->xvec))
2246 /* Check if we have the same endianess. */
2247 if (! _bfd_generic_verify_endian_match (ibfd, obfd))
2250 new_flags = elf_elfheader (ibfd)->e_flags;
2251 old_flags = elf_elfheader (obfd)->e_flags;
2252 if (!elf_flags_init (obfd))
2254 /* First call, no flags set. */
2255 elf_flags_init (obfd) = TRUE;
2256 elf_elfheader (obfd)->e_flags = new_flags;
2259 /* Compatible flags are ok. */
2260 else if (new_flags == old_flags)
2263 /* Incompatible flags. */
2266 /* Warn about -mrelocatable mismatch. Allow -mrelocatable-lib
2267 to be linked with either. */
2269 if ((new_flags & EF_PPC_RELOCATABLE) != 0
2270 && (old_flags & (EF_PPC_RELOCATABLE | EF_PPC_RELOCATABLE_LIB)) == 0)
2273 (*_bfd_error_handler)
2274 (_("%B: compiled with -mrelocatable and linked with "
2275 "modules compiled normally"), ibfd);
2277 else if ((new_flags & (EF_PPC_RELOCATABLE | EF_PPC_RELOCATABLE_LIB)) == 0
2278 && (old_flags & EF_PPC_RELOCATABLE) != 0)
2281 (*_bfd_error_handler)
2282 (_("%B: compiled normally and linked with "
2283 "modules compiled with -mrelocatable"), ibfd);
2286 /* The output is -mrelocatable-lib iff both the input files are. */
2287 if (! (new_flags & EF_PPC_RELOCATABLE_LIB))
2288 elf_elfheader (obfd)->e_flags &= ~EF_PPC_RELOCATABLE_LIB;
2290 /* The output is -mrelocatable iff it can't be -mrelocatable-lib,
2291 but each input file is either -mrelocatable or -mrelocatable-lib. */
2292 if (! (elf_elfheader (obfd)->e_flags & EF_PPC_RELOCATABLE_LIB)
2293 && (new_flags & (EF_PPC_RELOCATABLE_LIB | EF_PPC_RELOCATABLE))
2294 && (old_flags & (EF_PPC_RELOCATABLE_LIB | EF_PPC_RELOCATABLE)))
2295 elf_elfheader (obfd)->e_flags |= EF_PPC_RELOCATABLE;
2297 /* Do not warn about eabi vs. V.4 mismatch, just or in the bit if
2298 any module uses it. */
2299 elf_elfheader (obfd)->e_flags |= (new_flags & EF_PPC_EMB);
2301 new_flags &= ~(EF_PPC_RELOCATABLE | EF_PPC_RELOCATABLE_LIB | EF_PPC_EMB);
2302 old_flags &= ~(EF_PPC_RELOCATABLE | EF_PPC_RELOCATABLE_LIB | EF_PPC_EMB);
2304 /* Warn about any other mismatches. */
2305 if (new_flags != old_flags)
2308 (*_bfd_error_handler)
2309 (_("%B: uses different e_flags (0x%lx) fields "
2310 "than previous modules (0x%lx)"),
2311 ibfd, (long) new_flags, (long) old_flags);
2316 bfd_set_error (bfd_error_bad_value);
2324 /* Handle a PowerPC specific section when reading an object file. This
2325 is called when elfcode.h finds a section with an unknown type. */
2328 ppc_elf_section_from_shdr (bfd *abfd, Elf_Internal_Shdr *hdr, const char *name)
2333 if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name))
2336 newsect = hdr->bfd_section;
2337 flags = bfd_get_section_flags (abfd, newsect);
2338 if (hdr->sh_flags & SHF_EXCLUDE)
2339 flags |= SEC_EXCLUDE;
2341 if (hdr->sh_type == SHT_ORDERED)
2342 flags |= SEC_SORT_ENTRIES;
2344 bfd_set_section_flags (abfd, newsect, flags);
2348 /* Set up any other section flags and such that may be necessary. */
2351 ppc_elf_fake_sections (bfd *abfd ATTRIBUTE_UNUSED,
2352 Elf_Internal_Shdr *shdr,
2355 if ((asect->flags & SEC_EXCLUDE) != 0)
2356 shdr->sh_flags |= SHF_EXCLUDE;
2358 if ((asect->flags & SEC_SORT_ENTRIES) != 0)
2359 shdr->sh_type = SHT_ORDERED;
2364 /* Find a linker generated pointer with a given addend and type. */
2366 static elf_linker_section_pointers_t *
2367 elf_find_pointer_linker_section
2368 (elf_linker_section_pointers_t *linker_pointers,
2370 elf_linker_section_t *lsect)
2372 for ( ; linker_pointers != NULL; linker_pointers = linker_pointers->next)
2373 if (lsect == linker_pointers->lsect && addend == linker_pointers->addend)
2374 return linker_pointers;
2379 /* Allocate a pointer to live in a linker created section. */
2382 elf_create_pointer_linker_section (bfd *abfd,
2383 struct bfd_link_info *info,
2384 elf_linker_section_t *lsect,
2385 struct elf_link_hash_entry *h,
2386 const Elf_Internal_Rela *rel)
2388 elf_linker_section_pointers_t **ptr_linker_section_ptr = NULL;
2389 elf_linker_section_pointers_t *linker_section_ptr;
2390 unsigned long r_symndx = ELF32_R_SYM (rel->r_info);
2393 BFD_ASSERT (lsect != NULL);
2395 /* Is this a global symbol? */
2398 struct ppc_elf_link_hash_entry *eh;
2400 /* Has this symbol already been allocated? If so, our work is done. */
2401 eh = (struct ppc_elf_link_hash_entry *) h;
2402 if (elf_find_pointer_linker_section (eh->linker_section_pointer,
2407 ptr_linker_section_ptr = &eh->linker_section_pointer;
2408 /* Make sure this symbol is output as a dynamic symbol. */
2409 if (h->dynindx == -1)
2411 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2415 if (lsect->rel_section)
2416 lsect->rel_section->size += sizeof (Elf32_External_Rela);
2420 /* Allocation of a pointer to a local symbol. */
2421 elf_linker_section_pointers_t **ptr = elf_local_ptr_offsets (abfd);
2423 /* Allocate a table to hold the local symbols if first time. */
2426 unsigned int num_symbols = elf_tdata (abfd)->symtab_hdr.sh_info;
2429 amt *= sizeof (elf_linker_section_pointers_t *);
2430 ptr = bfd_zalloc (abfd, amt);
2435 elf_local_ptr_offsets (abfd) = ptr;
2438 /* Has this symbol already been allocated? If so, our work is done. */
2439 if (elf_find_pointer_linker_section (ptr[r_symndx],
2444 ptr_linker_section_ptr = &ptr[r_symndx];
2448 /* If we are generating a shared object, we need to
2449 output a R_<xxx>_RELATIVE reloc so that the
2450 dynamic linker can adjust this GOT entry. */
2451 BFD_ASSERT (lsect->rel_section != NULL);
2452 lsect->rel_section->size += sizeof (Elf32_External_Rela);
2456 /* Allocate space for a pointer in the linker section, and allocate
2457 a new pointer record from internal memory. */
2458 BFD_ASSERT (ptr_linker_section_ptr != NULL);
2459 amt = sizeof (elf_linker_section_pointers_t);
2460 linker_section_ptr = bfd_alloc (abfd, amt);
2462 if (!linker_section_ptr)
2465 linker_section_ptr->next = *ptr_linker_section_ptr;
2466 linker_section_ptr->addend = rel->r_addend;
2467 linker_section_ptr->lsect = lsect;
2468 linker_section_ptr->written_address_p = FALSE;
2469 *ptr_linker_section_ptr = linker_section_ptr;
2471 linker_section_ptr->offset = lsect->section->size;
2472 lsect->section->size += 4;
2476 "Create pointer in linker section %s, offset = %ld, section size = %ld\n",
2477 lsect->name, (long) linker_section_ptr->offset,
2478 (long) lsect->section->size);
2484 #define bfd_put_ptr(BFD, VAL, ADDR) bfd_put_32 (BFD, VAL, ADDR)
2486 /* Fill in the address for a pointer generated in a linker section. */
2489 elf_finish_pointer_linker_section (bfd *output_bfd,
2491 struct bfd_link_info *info,
2492 elf_linker_section_t *lsect,
2493 struct elf_link_hash_entry *h,
2495 const Elf_Internal_Rela *rel,
2498 elf_linker_section_pointers_t *linker_section_ptr;
2500 BFD_ASSERT (lsect != NULL);
2504 /* Handle global symbol. */
2505 struct ppc_elf_link_hash_entry *eh;
2507 eh = (struct ppc_elf_link_hash_entry *) h;
2509 = elf_find_pointer_linker_section (eh->linker_section_pointer,
2513 BFD_ASSERT (linker_section_ptr != NULL);
2515 if (! elf_hash_table (info)->dynamic_sections_created
2520 /* This is actually a static link, or it is a
2521 -Bsymbolic link and the symbol is defined
2522 locally. We must initialize this entry in the
2525 When doing a dynamic link, we create a .rela.<xxx>
2526 relocation entry to initialize the value. This
2527 is done in the finish_dynamic_symbol routine. */
2528 if (!linker_section_ptr->written_address_p)
2530 linker_section_ptr->written_address_p = TRUE;
2531 bfd_put_ptr (output_bfd,
2532 relocation + linker_section_ptr->addend,
2533 (lsect->section->contents
2534 + linker_section_ptr->offset));
2540 /* Handle local symbol. */
2541 unsigned long r_symndx = ELF32_R_SYM (rel->r_info);
2542 BFD_ASSERT (elf_local_ptr_offsets (input_bfd) != NULL);
2543 BFD_ASSERT (elf_local_ptr_offsets (input_bfd)[r_symndx] != NULL);
2544 linker_section_ptr = (elf_find_pointer_linker_section
2545 (elf_local_ptr_offsets (input_bfd)[r_symndx],
2549 BFD_ASSERT (linker_section_ptr != NULL);
2551 /* Write out pointer if it hasn't been rewritten out before. */
2552 if (!linker_section_ptr->written_address_p)
2554 linker_section_ptr->written_address_p = TRUE;
2555 bfd_put_ptr (output_bfd, relocation + linker_section_ptr->addend,
2556 lsect->section->contents + linker_section_ptr->offset);
2560 /* We need to generate a relative reloc for the dynamic
2563 asection *srel = lsect->rel_section;
2564 Elf_Internal_Rela outrel[MAX_INT_RELS_PER_EXT_REL];
2566 const struct elf_backend_data *bed;
2569 BFD_ASSERT (srel != NULL);
2571 bed = get_elf_backend_data (output_bfd);
2572 for (i = 0; i < bed->s->int_rels_per_ext_rel; i++)
2574 outrel[i].r_offset = (lsect->section->output_section->vma
2575 + lsect->section->output_offset
2576 + linker_section_ptr->offset);
2577 outrel[i].r_info = 0;
2578 outrel[i].r_addend = 0;
2580 outrel[0].r_info = ELF32_R_INFO (0, relative_reloc);
2581 erel = lsect->section->contents;
2582 erel += (elf_section_data (lsect->section)->rel_count++
2583 * sizeof (Elf32_External_Rela));
2584 bfd_elf32_swap_reloca_out (output_bfd, outrel, erel);
2589 relocation = (lsect->section->output_offset
2590 + linker_section_ptr->offset
2591 - lsect->sym_offset);
2595 "Finish pointer in linker section %s, offset = %ld (0x%lx)\n",
2596 lsect->name, (long) relocation, (long) relocation);
2599 /* Subtract out the addend, because it will get added back in by the normal
2601 return relocation - linker_section_ptr->addend;
2604 /* Create a special linker section */
2605 static elf_linker_section_t *
2606 ppc_elf_create_linker_section (bfd *abfd,
2607 struct bfd_link_info *info,
2608 enum elf_linker_section_enum which)
2610 elf_linker_section_t *lsect;
2611 struct ppc_elf_link_hash_table *htab = ppc_elf_hash_table (info);
2612 asection *s, *sym_sec;
2616 const char *rel_name;
2617 const char *sym_name;
2620 /* The linker creates these sections so it has somewhere to attach
2621 their respective symbols. Startup code (crt1.o) uses these symbols
2622 to initialize a register pointing to the section. If the output
2623 sections corresponding to these input sections were empty it would
2624 be OK to set the symbol to 0 (or any random number), because the
2625 associated register should never be used.
2626 FIXME: Setting a symbol this way is silly. The symbols ought to
2627 be set the same way other backends set gp. */
2628 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
2629 | SEC_LINKER_CREATED);
2638 case LINKER_SECTION_SDATA: /* .sdata/.sbss section */
2640 rel_name = ".rela.sdata";
2641 sym_name = "_SDA_BASE_";
2644 case LINKER_SECTION_SDATA2: /* .sdata2/.sbss2 section */
2646 rel_name = ".rela.sdata2";
2647 sym_name = "_SDA2_BASE_";
2648 flags |= SEC_READONLY;
2652 /* Record the first bfd that needs the special sections. */
2653 if (!htab->elf.dynobj)
2654 htab->elf.dynobj = abfd;
2656 amt = sizeof (elf_linker_section_t);
2657 lsect = bfd_zalloc (htab->elf.dynobj, amt);
2659 lsect->sym_offset = sym_offset;
2661 /* See if the sections already exist. */
2662 sym_sec = s = bfd_get_section_by_name (htab->elf.dynobj, name);
2663 if (s == NULL || (s->flags & flags) != flags)
2665 s = bfd_make_section_anyway (htab->elf.dynobj, name);
2667 || !bfd_set_section_flags (htab->elf.dynobj, s, flags))
2669 if (sym_sec == NULL)
2674 if (bfd_get_section_alignment (htab->elf.dynobj, s) < 2
2675 && !bfd_set_section_alignment (htab->elf.dynobj, s, 2))
2678 s->size = align_power (s->size, 2);
2681 fprintf (stderr, "Creating section %s, current size = %ld\n",
2682 name, (long) s->size);
2687 struct elf_link_hash_entry *h;
2688 struct bfd_link_hash_entry *bh;
2691 fprintf (stderr, "Adding %s to section %s\n", sym_name, name);
2693 bh = bfd_link_hash_lookup (info->hash, sym_name,
2694 FALSE, FALSE, FALSE);
2696 if ((bh == NULL || bh->type == bfd_link_hash_undefined)
2697 && !(_bfd_generic_link_add_one_symbol
2698 (info, abfd, sym_name, BSF_GLOBAL, sym_sec, sym_offset, NULL,
2699 FALSE, get_elf_backend_data (abfd)->collect, &bh)))
2701 h = (struct elf_link_hash_entry *) bh;
2703 h->type = STT_OBJECT;
2704 lsect->sym_hash = h;
2707 && ! bfd_elf_link_record_dynamic_symbol (info, h))
2713 s = bfd_make_section_anyway (htab->elf.dynobj, rel_name);
2714 lsect->rel_section = s;
2715 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
2716 | SEC_LINKER_CREATED | SEC_READONLY);
2718 || ! bfd_set_section_flags (htab->elf.dynobj, s, flags)
2719 || ! bfd_set_section_alignment (htab->elf.dynobj, s, 2))
2726 /* If we have .sbss2 or .PPC.EMB.sbss0 output sections, we
2727 need to bump up the number of section headers. */
2730 ppc_elf_additional_program_headers (bfd *abfd)
2735 s = bfd_get_section_by_name (abfd, ".sbss2");
2736 if (s != NULL && (s->flags & SEC_ALLOC) != 0)
2739 s = bfd_get_section_by_name (abfd, ".PPC.EMB.sbss0");
2740 if (s != NULL && (s->flags & SEC_ALLOC) != 0)
2746 /* The powerpc .got has a blrl instruction in it. Mark it executable. */
2749 ppc_elf_create_got (bfd *abfd, struct bfd_link_info *info)
2751 struct ppc_elf_link_hash_table *htab;
2755 if (!_bfd_elf_create_got_section (abfd, info))
2758 htab = ppc_elf_hash_table (info);
2759 htab->got = s = bfd_get_section_by_name (abfd, ".got");
2763 flags = (SEC_ALLOC | SEC_LOAD | SEC_CODE | SEC_HAS_CONTENTS | SEC_IN_MEMORY
2764 | SEC_LINKER_CREATED);
2765 if (!bfd_set_section_flags (abfd, s, flags))
2768 htab->relgot = bfd_make_section (abfd, ".rela.got");
2770 || ! bfd_set_section_flags (abfd, htab->relgot,
2771 (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS
2772 | SEC_IN_MEMORY | SEC_LINKER_CREATED
2774 || ! bfd_set_section_alignment (abfd, htab->relgot, 2))
2780 /* We have to create .dynsbss and .rela.sbss here so that they get mapped
2781 to output sections (just like _bfd_elf_create_dynamic_sections has
2782 to create .dynbss and .rela.bss). */
2785 ppc_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
2787 struct ppc_elf_link_hash_table *htab;
2791 htab = ppc_elf_hash_table (info);
2793 if (htab->got == NULL
2794 && !ppc_elf_create_got (abfd, info))
2797 if (!_bfd_elf_create_dynamic_sections (abfd, info))
2800 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
2801 | SEC_LINKER_CREATED);
2803 htab->dynbss = bfd_get_section_by_name (abfd, ".dynbss");
2804 htab->dynsbss = s = bfd_make_section (abfd, ".dynsbss");
2806 || ! bfd_set_section_flags (abfd, s, SEC_ALLOC | SEC_LINKER_CREATED))
2811 htab->relbss = bfd_get_section_by_name (abfd, ".rela.bss");
2812 htab->relsbss = s = bfd_make_section (abfd, ".rela.sbss");
2814 || ! bfd_set_section_flags (abfd, s, flags | SEC_READONLY)
2815 || ! bfd_set_section_alignment (abfd, s, 2))
2819 htab->relplt = bfd_get_section_by_name (abfd, ".rela.plt");
2820 htab->plt = s = bfd_get_section_by_name (abfd, ".plt");
2824 flags = SEC_ALLOC | SEC_CODE | SEC_IN_MEMORY | SEC_LINKER_CREATED;
2825 return bfd_set_section_flags (abfd, s, flags);
2828 /* Adjust a symbol defined by a dynamic object and referenced by a
2829 regular object. The current definition is in some section of the
2830 dynamic object, but we're not including those sections. We have to
2831 change the definition to something the rest of the link can
2835 ppc_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
2836 struct elf_link_hash_entry *h)
2838 struct ppc_elf_link_hash_table *htab;
2840 unsigned int power_of_two;
2843 fprintf (stderr, "ppc_elf_adjust_dynamic_symbol called for %s\n",
2844 h->root.root.string);
2847 /* Make sure we know what is going on here. */
2848 htab = ppc_elf_hash_table (info);
2849 BFD_ASSERT (htab->elf.dynobj != NULL
2851 || h->u.weakdef != NULL
2854 && !h->def_regular)));
2856 /* Deal with function syms. */
2857 if (h->type == STT_FUNC
2860 /* Clear procedure linkage table information for any symbol that
2861 won't need a .plt entry. */
2862 if (h->plt.refcount <= 0
2863 || SYMBOL_CALLS_LOCAL (info, h)
2864 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2865 && h->root.type == bfd_link_hash_undefweak))
2867 /* A PLT entry is not required/allowed when:
2869 1. We are not using ld.so; because then the PLT entry
2870 can't be set up, so we can't use one. In this case,
2871 ppc_elf_adjust_dynamic_symbol won't even be called.
2873 2. GC has rendered the entry unused.
2875 3. We know for certain that a call to this symbol
2876 will go to this object, or will remain undefined. */
2877 h->plt.offset = (bfd_vma) -1;
2883 h->plt.offset = (bfd_vma) -1;
2885 /* If this is a weak symbol, and there is a real definition, the
2886 processor independent code will have arranged for us to see the
2887 real definition first, and we can just use the same value. */
2888 if (h->u.weakdef != NULL)
2890 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
2891 || h->u.weakdef->root.type == bfd_link_hash_defweak);
2892 h->root.u.def.section = h->u.weakdef->root.u.def.section;
2893 h->root.u.def.value = h->u.weakdef->root.u.def.value;
2894 if (ELIMINATE_COPY_RELOCS)
2895 h->non_got_ref = h->u.weakdef->non_got_ref;
2899 /* This is a reference to a symbol defined by a dynamic object which
2900 is not a function. */
2902 /* If we are creating a shared library, we must presume that the
2903 only references to the symbol are via the global offset table.
2904 For such cases we need not do anything here; the relocations will
2905 be handled correctly by relocate_section. */
2909 /* If there are no references to this symbol that do not use the
2910 GOT, we don't need to generate a copy reloc. */
2911 if (!h->non_got_ref)
2914 if (ELIMINATE_COPY_RELOCS)
2916 struct ppc_elf_dyn_relocs *p;
2917 for (p = ppc_elf_hash_entry (h)->dyn_relocs; p != NULL; p = p->next)
2919 s = p->sec->output_section;
2920 if (s != NULL && (s->flags & SEC_READONLY) != 0)
2924 /* If we didn't find any dynamic relocs in read-only sections, then
2925 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
2933 /* We must allocate the symbol in our .dynbss section, which will
2934 become part of the .bss section of the executable. There will be
2935 an entry for this symbol in the .dynsym section. The dynamic
2936 object will contain position independent code, so all references
2937 from the dynamic object to this symbol will go through the global
2938 offset table. The dynamic linker will use the .dynsym entry to
2939 determine the address it must put in the global offset table, so
2940 both the dynamic object and the regular object will refer to the
2941 same memory location for the variable.
2943 Of course, if the symbol is sufficiently small, we must instead
2944 allocate it in .sbss. FIXME: It would be better to do this if and
2945 only if there were actually SDAREL relocs for that symbol. */
2947 if (h->size <= elf_gp_size (htab->elf.dynobj))
2951 BFD_ASSERT (s != NULL);
2953 /* We must generate a R_PPC_COPY reloc to tell the dynamic linker to
2954 copy the initial value out of the dynamic object and into the
2955 runtime process image. We need to remember the offset into the
2956 .rela.bss section we are going to use. */
2957 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
2961 if (h->size <= elf_gp_size (htab->elf.dynobj))
2962 srel = htab->relsbss;
2964 srel = htab->relbss;
2965 BFD_ASSERT (srel != NULL);
2966 srel->size += sizeof (Elf32_External_Rela);
2970 /* We need to figure out the alignment required for this symbol. I
2971 have no idea how ELF linkers handle this. */
2972 power_of_two = bfd_log2 (h->size);
2973 if (power_of_two > 4)
2976 /* Apply the required alignment. */
2977 s->size = BFD_ALIGN (s->size, (bfd_size_type) (1 << power_of_two));
2978 if (power_of_two > bfd_get_section_alignment (htab->elf.dynobj, s))
2980 if (! bfd_set_section_alignment (htab->elf.dynobj, s, power_of_two))
2984 /* Define the symbol as being at this point in the section. */
2985 h->root.u.def.section = s;
2986 h->root.u.def.value = s->size;
2988 /* Increment the section size to make room for the symbol. */
2994 /* Of those relocs that might be copied as dynamic relocs, this macro
2995 selects those that must be copied when linking a shared library,
2996 even when the symbol is local. */
2998 #define MUST_BE_DYN_RELOC(RTYPE) \
2999 ((RTYPE) != R_PPC_REL24 \
3000 && (RTYPE) != R_PPC_REL14 \
3001 && (RTYPE) != R_PPC_REL14_BRTAKEN \
3002 && (RTYPE) != R_PPC_REL14_BRNTAKEN \
3003 && (RTYPE) != R_PPC_REL32)
3005 /* Allocate space in associated reloc sections for dynamic relocs. */
3008 allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
3010 struct bfd_link_info *info = inf;
3011 struct ppc_elf_link_hash_entry *eh;
3012 struct ppc_elf_link_hash_table *htab;
3013 struct ppc_elf_dyn_relocs *p;
3015 if (h->root.type == bfd_link_hash_indirect)
3018 if (h->root.type == bfd_link_hash_warning)
3019 /* When warning symbols are created, they **replace** the "real"
3020 entry in the hash table, thus we never get to see the real
3021 symbol in a hash traversal. So look at it now. */
3022 h = (struct elf_link_hash_entry *) h->root.u.i.link;
3024 htab = ppc_elf_hash_table (info);
3025 if (htab->elf.dynamic_sections_created
3026 && h->plt.refcount > 0)
3028 /* Make sure this symbol is output as a dynamic symbol. */
3029 if (h->dynindx == -1
3030 && !h->forced_local)
3032 if (! bfd_elf_link_record_dynamic_symbol (info, h))
3037 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h))
3039 asection *s = htab->plt;
3041 /* If this is the first .plt entry, make room for the special
3044 s->size += PLT_INITIAL_ENTRY_SIZE;
3046 /* The PowerPC PLT is actually composed of two parts, the
3047 first part is 2 words (for a load and a jump), and then
3048 there is a remaining word available at the end. */
3049 h->plt.offset = (PLT_INITIAL_ENTRY_SIZE
3051 * ((s->size - PLT_INITIAL_ENTRY_SIZE)
3052 / PLT_ENTRY_SIZE)));
3054 /* If this symbol is not defined in a regular file, and we
3055 are not generating a shared library, then set the symbol
3056 to this location in the .plt. This is required to make
3057 function pointers compare as equal between the normal
3058 executable and the shared library. */
3062 h->root.u.def.section = s;
3063 h->root.u.def.value = h->plt.offset;
3066 /* Make room for this entry. After the 8192nd entry, room
3067 for two entries is allocated. */
3068 s->size += PLT_ENTRY_SIZE;
3069 if ((s->size - PLT_INITIAL_ENTRY_SIZE) / PLT_ENTRY_SIZE
3070 > PLT_NUM_SINGLE_ENTRIES)
3071 s->size += PLT_ENTRY_SIZE;
3073 /* We also need to make an entry in the .rela.plt section. */
3074 htab->relplt->size += sizeof (Elf32_External_Rela);
3078 h->plt.offset = (bfd_vma) -1;
3084 h->plt.offset = (bfd_vma) -1;
3088 eh = (struct ppc_elf_link_hash_entry *) h;
3089 if (eh->elf.got.refcount > 0)
3091 /* Make sure this symbol is output as a dynamic symbol. */
3092 if (eh->elf.dynindx == -1
3093 && !eh->elf.forced_local)
3095 if (!bfd_elf_link_record_dynamic_symbol (info, &eh->elf))
3099 if (eh->tls_mask == (TLS_TLS | TLS_LD)
3100 && !eh->elf.def_dynamic)
3101 /* If just an LD reloc, we'll just use htab->tlsld_got.offset. */
3102 eh->elf.got.offset = (bfd_vma) -1;
3106 eh->elf.got.offset = htab->got->size;
3107 if ((eh->tls_mask & TLS_TLS) != 0)
3109 if ((eh->tls_mask & TLS_LD) != 0)
3110 htab->got->size += 8;
3111 if ((eh->tls_mask & TLS_GD) != 0)
3112 htab->got->size += 8;
3113 if ((eh->tls_mask & (TLS_TPREL | TLS_TPRELGD)) != 0)
3114 htab->got->size += 4;
3115 if ((eh->tls_mask & TLS_DTPREL) != 0)
3116 htab->got->size += 4;
3119 htab->got->size += 4;
3120 dyn = htab->elf.dynamic_sections_created;
3122 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, &eh->elf))
3123 && (ELF_ST_VISIBILITY (eh->elf.other) == STV_DEFAULT
3124 || eh->elf.root.type != bfd_link_hash_undefweak))
3126 /* All the entries we allocated need relocs. */
3128 += ((htab->got->size - eh->elf.got.offset) / 4
3129 * sizeof (Elf32_External_Rela));
3130 /* Except LD only needs one. */
3131 if ((eh->tls_mask & TLS_LD) != 0)
3132 htab->relgot->size -= sizeof (Elf32_External_Rela);
3137 eh->elf.got.offset = (bfd_vma) -1;
3139 if (eh->dyn_relocs == NULL)
3142 /* In the shared -Bsymbolic case, discard space allocated for
3143 dynamic pc-relative relocs against symbols which turn out to be
3144 defined in regular objects. For the normal shared case, discard
3145 space for relocs that have become local due to symbol visibility
3150 /* Relocs that use pc_count are those that appear on a call insn,
3151 or certain REL relocs (see MUST_BE_DYN_RELOC) that can be
3152 generated via assembly. We want calls to protected symbols to
3153 resolve directly to the function rather than going via the plt.
3154 If people want function pointer comparisons to work as expected
3155 then they should avoid writing weird assembly. */
3156 if (SYMBOL_CALLS_LOCAL (info, h))
3158 struct ppc_elf_dyn_relocs **pp;
3160 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
3162 p->count -= p->pc_count;
3171 /* Also discard relocs on undefined weak syms with non-default
3173 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
3174 && h->root.type == bfd_link_hash_undefweak)
3175 eh->dyn_relocs = NULL;
3177 /* Make sure undefined weak symbols are output as a dynamic symbol
3180 && eh->dyn_relocs != NULL
3182 && h->root.type == bfd_link_hash_undefweak
3183 && !h->forced_local)
3185 if (! bfd_elf_link_record_dynamic_symbol (info, h))
3189 else if (ELIMINATE_COPY_RELOCS)
3191 /* For the non-shared case, discard space for relocs against
3192 symbols which turn out to need copy relocs or are not
3199 /* Make sure this symbol is output as a dynamic symbol.
3200 Undefined weak syms won't yet be marked as dynamic. */
3201 if (h->dynindx == -1
3202 && !h->forced_local)
3204 if (! bfd_elf_link_record_dynamic_symbol (info, h))
3208 /* If that succeeded, we know we'll be keeping all the
3210 if (h->dynindx != -1)
3214 eh->dyn_relocs = NULL;
3219 /* Finally, allocate space. */
3220 for (p = eh->dyn_relocs; p != NULL; p = p->next)
3222 asection *sreloc = elf_section_data (p->sec)->sreloc;
3223 sreloc->size += p->count * sizeof (Elf32_External_Rela);
3229 /* Find any dynamic relocs that apply to read-only sections. */
3232 readonly_dynrelocs (struct elf_link_hash_entry *h, void *info)
3234 struct ppc_elf_dyn_relocs *p;
3236 if (h->root.type == bfd_link_hash_indirect)
3239 if (h->root.type == bfd_link_hash_warning)
3240 h = (struct elf_link_hash_entry *) h->root.u.i.link;
3242 for (p = ppc_elf_hash_entry (h)->dyn_relocs; p != NULL; p = p->next)
3244 asection *s = p->sec->output_section;
3247 && ((s->flags & (SEC_READONLY | SEC_ALLOC))
3248 == (SEC_READONLY | SEC_ALLOC)))
3250 ((struct bfd_link_info *) info)->flags |= DF_TEXTREL;
3252 /* Not an error, just cut short the traversal. */
3259 /* Set the sizes of the dynamic sections. */
3262 ppc_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
3263 struct bfd_link_info *info)
3265 struct ppc_elf_link_hash_table *htab;
3271 fprintf (stderr, "ppc_elf_size_dynamic_sections called\n");
3274 htab = ppc_elf_hash_table (info);
3275 BFD_ASSERT (htab->elf.dynobj != NULL);
3277 if (elf_hash_table (info)->dynamic_sections_created)
3279 /* Set the contents of the .interp section to the interpreter. */
3280 if (info->executable)
3282 s = bfd_get_section_by_name (htab->elf.dynobj, ".interp");
3283 BFD_ASSERT (s != NULL);
3284 s->size = sizeof ELF_DYNAMIC_INTERPRETER;
3285 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
3289 if (htab->tlsld_got.refcount > 0)
3291 htab->tlsld_got.offset = htab->got->size;
3292 htab->got->size += 8;
3294 htab->relgot->size += sizeof (Elf32_External_Rela);
3297 htab->tlsld_got.offset = (bfd_vma) -1;
3299 /* Set up .got offsets for local syms, and space for local dynamic
3301 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
3303 bfd_signed_vma *local_got;
3304 bfd_signed_vma *end_local_got;
3306 bfd_size_type locsymcount;
3307 Elf_Internal_Shdr *symtab_hdr;
3310 if (!is_ppc_elf_target (ibfd->xvec))
3313 for (s = ibfd->sections; s != NULL; s = s->next)
3315 struct ppc_elf_dyn_relocs *p;
3317 for (p = ((struct ppc_elf_dyn_relocs *)
3318 elf_section_data (s)->local_dynrel);
3322 if (!bfd_is_abs_section (p->sec)
3323 && bfd_is_abs_section (p->sec->output_section))
3325 /* Input section has been discarded, either because
3326 it is a copy of a linkonce section or due to
3327 linker script /DISCARD/, so we'll be discarding
3330 else if (p->count != 0)
3332 elf_section_data (p->sec)->sreloc->size
3333 += p->count * sizeof (Elf32_External_Rela);
3334 if ((p->sec->output_section->flags
3335 & (SEC_READONLY | SEC_ALLOC))
3336 == (SEC_READONLY | SEC_ALLOC))
3337 info->flags |= DF_TEXTREL;
3342 local_got = elf_local_got_refcounts (ibfd);
3346 symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
3347 locsymcount = symtab_hdr->sh_info;
3348 end_local_got = local_got + locsymcount;
3349 lgot_masks = (char *) end_local_got;
3351 srel = htab->relgot;
3352 for (; local_got < end_local_got; ++local_got, ++lgot_masks)
3355 if (*lgot_masks == (TLS_TLS | TLS_LD))
3357 /* If just an LD reloc, we'll just use
3358 htab->tlsld_got.offset. */
3359 if (htab->tlsld_got.offset == (bfd_vma) -1)
3361 htab->tlsld_got.offset = s->size;
3364 srel->size += sizeof (Elf32_External_Rela);
3366 *local_got = (bfd_vma) -1;
3370 *local_got = s->size;
3371 if ((*lgot_masks & TLS_TLS) != 0)
3373 if ((*lgot_masks & TLS_GD) != 0)
3375 if ((*lgot_masks & (TLS_TPREL | TLS_TPRELGD)) != 0)
3377 if ((*lgot_masks & TLS_DTPREL) != 0)
3383 srel->size += ((s->size - *local_got) / 4
3384 * sizeof (Elf32_External_Rela));
3388 *local_got = (bfd_vma) -1;
3391 /* Allocate space for global sym dynamic relocs. */
3392 elf_link_hash_traverse (elf_hash_table (info), allocate_dynrelocs, info);
3394 /* We've now determined the sizes of the various dynamic sections.
3395 Allocate memory for them. */
3397 for (s = htab->elf.dynobj->sections; s != NULL; s = s->next)
3399 if ((s->flags & SEC_LINKER_CREATED) == 0)
3405 /* Strip this section if we don't need it; see the
3408 else if ((htab->sdata != NULL && s == htab->sdata->section)
3409 || (htab->sdata2 != NULL && s == htab->sdata2->section))
3412 /* Don't strip these sections. We need them because they
3413 define _SDA_BASE_ and _SDA2_BASE_. crt1.o makes a
3414 reference to _SDA_BASE_ to set up r13. */
3417 else if (strncmp (bfd_get_section_name (dynobj, s), ".rela", 5) == 0)
3421 /* If we don't need this section, strip it from the
3422 output file. This is mostly to handle .rela.bss and
3423 .rela.plt. We must create both sections in
3424 create_dynamic_sections, because they must be created
3425 before the linker maps input sections to output
3426 sections. The linker does that before
3427 adjust_dynamic_symbol is called, and it is that
3428 function which decides whether anything needs to go
3429 into these sections. */
3433 /* Remember whether there are any relocation sections. */
3436 /* We use the reloc_count field as a counter if we need
3437 to copy relocs into the output file. */
3443 /* It's not one of our sections, so don't allocate space. */
3449 _bfd_strip_section_from_output (info, s);
3453 /* Allocate memory for the section contents. */
3454 s->contents = bfd_zalloc (htab->elf.dynobj, s->size);
3455 if (s->contents == NULL)
3459 if (htab->elf.dynamic_sections_created)
3461 /* Add some entries to the .dynamic section. We fill in the
3462 values later, in ppc_elf_finish_dynamic_sections, but we
3463 must add the entries now so that we get the correct size for
3464 the .dynamic section. The DT_DEBUG entry is filled in by the
3465 dynamic linker and used by the debugger. */
3466 #define add_dynamic_entry(TAG, VAL) \
3467 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
3469 if (info->executable)
3471 if (!add_dynamic_entry (DT_DEBUG, 0))
3475 if (htab->plt != NULL && htab->plt->size != 0)
3477 if (!add_dynamic_entry (DT_PLTGOT, 0)
3478 || !add_dynamic_entry (DT_PLTRELSZ, 0)
3479 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
3480 || !add_dynamic_entry (DT_JMPREL, 0))
3486 if (!add_dynamic_entry (DT_RELA, 0)
3487 || !add_dynamic_entry (DT_RELASZ, 0)
3488 || !add_dynamic_entry (DT_RELAENT, sizeof (Elf32_External_Rela)))
3492 /* If any dynamic relocs apply to a read-only section, then we
3493 need a DT_TEXTREL entry. */
3494 if ((info->flags & DF_TEXTREL) == 0)
3495 elf_link_hash_traverse (elf_hash_table (info), readonly_dynrelocs,
3498 if ((info->flags & DF_TEXTREL) != 0)
3500 if (!add_dynamic_entry (DT_TEXTREL, 0))
3504 #undef add_dynamic_entry
3510 update_local_sym_info (bfd *abfd,
3511 Elf_Internal_Shdr *symtab_hdr,
3512 unsigned long r_symndx,
3515 bfd_signed_vma *local_got_refcounts = elf_local_got_refcounts (abfd);
3516 char *local_got_tls_masks;
3518 if (local_got_refcounts == NULL)
3520 bfd_size_type size = symtab_hdr->sh_info;
3522 size *= sizeof (*local_got_refcounts) + sizeof (*local_got_tls_masks);
3523 local_got_refcounts = bfd_zalloc (abfd, size);
3524 if (local_got_refcounts == NULL)
3526 elf_local_got_refcounts (abfd) = local_got_refcounts;
3529 local_got_refcounts[r_symndx] += 1;
3530 local_got_tls_masks = (char *) (local_got_refcounts + symtab_hdr->sh_info);
3531 local_got_tls_masks[r_symndx] |= tls_type;
3536 bad_shared_reloc (bfd *abfd, enum elf_ppc_reloc_type r_type)
3538 (*_bfd_error_handler)
3539 (_("%B: relocation %s cannot be used when making a shared object"),
3541 ppc_elf_howto_table[r_type]->name);
3542 bfd_set_error (bfd_error_bad_value);
3545 /* Look through the relocs for a section during the first phase, and
3546 allocate space in the global offset table or procedure linkage
3550 ppc_elf_check_relocs (bfd *abfd,
3551 struct bfd_link_info *info,
3553 const Elf_Internal_Rela *relocs)
3555 struct ppc_elf_link_hash_table *htab;
3556 Elf_Internal_Shdr *symtab_hdr;
3557 struct elf_link_hash_entry **sym_hashes;
3558 const Elf_Internal_Rela *rel;
3559 const Elf_Internal_Rela *rel_end;
3562 if (info->relocatable)
3566 _bfd_error_handler ("ppc_elf_check_relocs called for section %A in %B",
3570 /* Initialize howto table if not already done. */
3571 if (!ppc_elf_howto_table[R_PPC_ADDR32])
3572 ppc_elf_howto_init ();
3574 /* Create the linker generated sections all the time so that the
3575 special symbols are created. */
3576 htab = ppc_elf_hash_table (info);
3577 if (htab->sdata == NULL)
3579 htab->sdata = ppc_elf_create_linker_section (abfd, info,
3580 LINKER_SECTION_SDATA);
3581 if (htab->sdata == NULL)
3585 if (htab->sdata2 == NULL)
3587 htab->sdata2 = ppc_elf_create_linker_section (abfd, info,
3588 LINKER_SECTION_SDATA2);
3589 if (htab->sdata2 == NULL)
3593 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
3594 sym_hashes = elf_sym_hashes (abfd);
3597 rel_end = relocs + sec->reloc_count;
3598 for (rel = relocs; rel < rel_end; rel++)
3600 unsigned long r_symndx;
3601 enum elf_ppc_reloc_type r_type;
3602 struct elf_link_hash_entry *h;
3605 r_symndx = ELF32_R_SYM (rel->r_info);
3606 if (r_symndx < symtab_hdr->sh_info)
3609 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
3611 /* If a relocation refers to _GLOBAL_OFFSET_TABLE_, create the .got.
3612 This shows up in particular in an R_PPC_ADDR32 in the eabi
3614 if (h && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
3616 if (htab->got == NULL)
3618 if (htab->elf.dynobj == NULL)
3619 htab->elf.dynobj = abfd;
3620 if (!ppc_elf_create_got (htab->elf.dynobj, info))
3625 r_type = ELF32_R_TYPE (rel->r_info);
3628 case R_PPC_GOT_TLSLD16:
3629 case R_PPC_GOT_TLSLD16_LO:
3630 case R_PPC_GOT_TLSLD16_HI:
3631 case R_PPC_GOT_TLSLD16_HA:
3632 htab->tlsld_got.refcount += 1;
3633 tls_type = TLS_TLS | TLS_LD;
3636 case R_PPC_GOT_TLSGD16:
3637 case R_PPC_GOT_TLSGD16_LO:
3638 case R_PPC_GOT_TLSGD16_HI:
3639 case R_PPC_GOT_TLSGD16_HA:
3640 tls_type = TLS_TLS | TLS_GD;
3643 case R_PPC_GOT_TPREL16:
3644 case R_PPC_GOT_TPREL16_LO:
3645 case R_PPC_GOT_TPREL16_HI:
3646 case R_PPC_GOT_TPREL16_HA:
3648 info->flags |= DF_STATIC_TLS;
3649 tls_type = TLS_TLS | TLS_TPREL;
3652 case R_PPC_GOT_DTPREL16:
3653 case R_PPC_GOT_DTPREL16_LO:
3654 case R_PPC_GOT_DTPREL16_HI:
3655 case R_PPC_GOT_DTPREL16_HA:
3656 tls_type = TLS_TLS | TLS_DTPREL;
3658 sec->has_tls_reloc = 1;
3661 /* GOT16 relocations */
3663 case R_PPC_GOT16_LO:
3664 case R_PPC_GOT16_HI:
3665 case R_PPC_GOT16_HA:
3666 /* This symbol requires a global offset table entry. */
3667 if (htab->got == NULL)
3669 if (htab->elf.dynobj == NULL)
3670 htab->elf.dynobj = abfd;
3671 if (!ppc_elf_create_got (htab->elf.dynobj, info))
3676 h->got.refcount += 1;
3677 ppc_elf_hash_entry (h)->tls_mask |= tls_type;
3680 /* This is a global offset table entry for a local symbol. */
3681 if (!update_local_sym_info (abfd, symtab_hdr, r_symndx, tls_type))
3685 /* Indirect .sdata relocation. */
3686 case R_PPC_EMB_SDAI16:
3689 bad_shared_reloc (abfd, r_type);
3692 if (!elf_create_pointer_linker_section (abfd, info,
3693 htab->sdata, h, rel))
3697 /* Indirect .sdata2 relocation. */
3698 case R_PPC_EMB_SDA2I16:
3701 bad_shared_reloc (abfd, r_type);
3704 if (!elf_create_pointer_linker_section (abfd, info,
3705 htab->sdata2, h, rel))
3709 case R_PPC_SDAREL16:
3710 case R_PPC_EMB_SDA2REL:
3711 case R_PPC_EMB_SDA21:
3712 case R_PPC_EMB_RELSDA:
3713 case R_PPC_EMB_NADDR32:
3714 case R_PPC_EMB_NADDR16:
3715 case R_PPC_EMB_NADDR16_LO:
3716 case R_PPC_EMB_NADDR16_HI:
3717 case R_PPC_EMB_NADDR16_HA:
3720 bad_shared_reloc (abfd, r_type);
3726 case R_PPC_PLTREL24:
3727 case R_PPC_PLTREL32:
3728 case R_PPC_PLT16_LO:
3729 case R_PPC_PLT16_HI:
3730 case R_PPC_PLT16_HA:
3732 fprintf (stderr, "Reloc requires a PLT entry\n");
3734 /* This symbol requires a procedure linkage table entry. We
3735 actually build the entry in finish_dynamic_symbol,
3736 because this might be a case of linking PIC code without
3737 linking in any dynamic objects, in which case we don't
3738 need to generate a procedure linkage table after all. */
3742 /* It does not make sense to have a procedure linkage
3743 table entry for a local symbol. */
3744 (*_bfd_error_handler) (_("%B(%A+0x%lx): %s reloc against "
3748 (long) rel->r_offset,
3749 ppc_elf_howto_table[r_type]->name);
3750 bfd_set_error (bfd_error_bad_value);
3758 /* The following relocations don't need to propagate the
3759 relocation if linking a shared object since they are
3760 section relative. */
3762 case R_PPC_SECTOFF_LO:
3763 case R_PPC_SECTOFF_HI:
3764 case R_PPC_SECTOFF_HA:
3765 case R_PPC_DTPREL16:
3766 case R_PPC_DTPREL16_LO:
3767 case R_PPC_DTPREL16_HI:
3768 case R_PPC_DTPREL16_HA:
3772 /* This are just markers. */
3774 case R_PPC_EMB_MRKREF:
3779 /* These should only appear in dynamic objects. */
3781 case R_PPC_GLOB_DAT:
3782 case R_PPC_JMP_SLOT:
3783 case R_PPC_RELATIVE:
3786 /* These aren't handled yet. We'll report an error later. */
3788 case R_PPC_EMB_RELSEC16:
3789 case R_PPC_EMB_RELST_LO:
3790 case R_PPC_EMB_RELST_HI:
3791 case R_PPC_EMB_RELST_HA:
3792 case R_PPC_EMB_BIT_FLD:
3795 /* This refers only to functions defined in the shared library. */
3796 case R_PPC_LOCAL24PC:
3799 /* This relocation describes the C++ object vtable hierarchy.
3800 Reconstruct it for later use during GC. */
3801 case R_PPC_GNU_VTINHERIT:
3802 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
3806 /* This relocation describes which C++ vtable entries are actually
3807 used. Record for later use during GC. */
3808 case R_PPC_GNU_VTENTRY:
3809 if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
3813 /* We shouldn't really be seeing these. */
3816 info->flags |= DF_STATIC_TLS;
3820 case R_PPC_DTPMOD32:
3821 case R_PPC_DTPREL32:
3825 case R_PPC_TPREL16_LO:
3826 case R_PPC_TPREL16_HI:
3827 case R_PPC_TPREL16_HA:
3829 info->flags |= DF_STATIC_TLS;
3832 /* When creating a shared object, we must copy these
3833 relocs into the output file. We create a reloc
3834 section in dynobj and make room for the reloc. */
3837 case R_PPC_REL14_BRTAKEN:
3838 case R_PPC_REL14_BRNTAKEN:
3841 || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
3848 case R_PPC_ADDR16_LO:
3849 case R_PPC_ADDR16_HI:
3850 case R_PPC_ADDR16_HA:
3852 case R_PPC_ADDR14_BRTAKEN:
3853 case R_PPC_ADDR14_BRNTAKEN:
3856 if (h != NULL && !info->shared)
3858 /* We may need a plt entry if the symbol turns out to be
3859 a function defined in a dynamic object. */
3862 /* We may need a copy reloc too. */
3867 /* If we are creating a shared library, and this is a reloc
3868 against a global symbol, or a non PC relative reloc
3869 against a local symbol, then we need to copy the reloc
3870 into the shared library. However, if we are linking with
3871 -Bsymbolic, we do not need to copy a reloc against a
3872 global symbol which is defined in an object we are
3873 including in the link (i.e., DEF_REGULAR is set). At
3874 this point we have not seen all the input files, so it is
3875 possible that DEF_REGULAR is not set now but will be set
3876 later (it is never cleared). In case of a weak definition,
3877 DEF_REGULAR may be cleared later by a strong definition in
3878 a shared library. We account for that possibility below by
3879 storing information in the dyn_relocs field of the hash
3880 table entry. A similar situation occurs when creating
3881 shared libraries and symbol visibility changes render the
3884 If on the other hand, we are creating an executable, we
3885 may need to keep relocations for symbols satisfied by a
3886 dynamic library if we manage to avoid copy relocs for the
3889 && (MUST_BE_DYN_RELOC (r_type)
3891 && (! info->symbolic
3892 || h->root.type == bfd_link_hash_defweak
3893 || !h->def_regular))))
3894 || (ELIMINATE_COPY_RELOCS
3896 && (sec->flags & SEC_ALLOC) != 0
3898 && (h->root.type == bfd_link_hash_defweak
3899 || !h->def_regular)))
3901 struct ppc_elf_dyn_relocs *p;
3902 struct ppc_elf_dyn_relocs **head;
3906 "ppc_elf_check_relocs needs to "
3907 "create relocation for %s\n",
3908 (h && h->root.root.string
3909 ? h->root.root.string : "<unknown>"));
3915 name = (bfd_elf_string_from_elf_section
3917 elf_elfheader (abfd)->e_shstrndx,
3918 elf_section_data (sec)->rel_hdr.sh_name));
3922 BFD_ASSERT (strncmp (name, ".rela", 5) == 0
3923 && strcmp (bfd_get_section_name (abfd, sec),
3926 sreloc = bfd_get_section_by_name (htab->elf.dynobj, name);
3931 sreloc = bfd_make_section (htab->elf.dynobj, name);
3932 flags = (SEC_HAS_CONTENTS | SEC_READONLY
3933 | SEC_IN_MEMORY | SEC_LINKER_CREATED);
3934 if ((sec->flags & SEC_ALLOC) != 0)
3935 flags |= SEC_ALLOC | SEC_LOAD;
3937 || ! bfd_set_section_flags (htab->elf.dynobj,
3939 || ! bfd_set_section_alignment (htab->elf.dynobj,
3943 elf_section_data (sec)->sreloc = sreloc;
3946 /* If this is a global symbol, we count the number of
3947 relocations we need for this symbol. */
3950 head = &ppc_elf_hash_entry (h)->dyn_relocs;
3954 /* Track dynamic relocs needed for local syms too.
3955 We really need local syms available to do this
3959 s = bfd_section_from_r_symndx (abfd, &htab->sym_sec,
3964 head = ((struct ppc_elf_dyn_relocs **)
3965 &elf_section_data (s)->local_dynrel);
3969 if (p == NULL || p->sec != sec)
3971 p = bfd_alloc (htab->elf.dynobj, sizeof *p);
3982 if (!MUST_BE_DYN_RELOC (r_type))
3993 /* Return the section that should be marked against GC for a given
3997 ppc_elf_gc_mark_hook (asection *sec,
3998 struct bfd_link_info *info ATTRIBUTE_UNUSED,
3999 Elf_Internal_Rela *rel,
4000 struct elf_link_hash_entry *h,
4001 Elf_Internal_Sym *sym)
4005 switch (ELF32_R_TYPE (rel->r_info))
4007 case R_PPC_GNU_VTINHERIT:
4008 case R_PPC_GNU_VTENTRY:
4012 switch (h->root.type)
4014 case bfd_link_hash_defined:
4015 case bfd_link_hash_defweak:
4016 return h->root.u.def.section;
4018 case bfd_link_hash_common:
4019 return h->root.u.c.p->section;
4027 return bfd_section_from_elf_index (sec->owner, sym->st_shndx);
4032 /* Update the got, plt and dynamic reloc reference counts for the
4033 section being removed. */
4036 ppc_elf_gc_sweep_hook (bfd *abfd,
4037 struct bfd_link_info *info,
4039 const Elf_Internal_Rela *relocs)
4041 struct ppc_elf_link_hash_table *htab;
4042 Elf_Internal_Shdr *symtab_hdr;
4043 struct elf_link_hash_entry **sym_hashes;
4044 bfd_signed_vma *local_got_refcounts;
4045 const Elf_Internal_Rela *rel, *relend;
4047 elf_section_data (sec)->local_dynrel = NULL;
4049 htab = ppc_elf_hash_table (info);
4050 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
4051 sym_hashes = elf_sym_hashes (abfd);
4052 local_got_refcounts = elf_local_got_refcounts (abfd);
4054 relend = relocs + sec->reloc_count;
4055 for (rel = relocs; rel < relend; rel++)
4057 unsigned long r_symndx;
4058 enum elf_ppc_reloc_type r_type;
4059 struct elf_link_hash_entry *h = NULL;
4061 r_symndx = ELF32_R_SYM (rel->r_info);
4062 if (r_symndx >= symtab_hdr->sh_info)
4064 struct ppc_elf_dyn_relocs **pp, *p;
4065 struct ppc_elf_link_hash_entry *eh;
4067 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
4068 while (h->root.type == bfd_link_hash_indirect
4069 || h->root.type == bfd_link_hash_warning)
4070 h = (struct elf_link_hash_entry *) h->root.u.i.link;
4071 eh = (struct ppc_elf_link_hash_entry *) h;
4073 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
4076 /* Everything must go for SEC. */
4082 r_type = ELF32_R_TYPE (rel->r_info);
4085 case R_PPC_GOT_TLSLD16:
4086 case R_PPC_GOT_TLSLD16_LO:
4087 case R_PPC_GOT_TLSLD16_HI:
4088 case R_PPC_GOT_TLSLD16_HA:
4089 htab->tlsld_got.refcount -= 1;
4092 case R_PPC_GOT_TLSGD16:
4093 case R_PPC_GOT_TLSGD16_LO:
4094 case R_PPC_GOT_TLSGD16_HI:
4095 case R_PPC_GOT_TLSGD16_HA:
4096 case R_PPC_GOT_TPREL16:
4097 case R_PPC_GOT_TPREL16_LO:
4098 case R_PPC_GOT_TPREL16_HI:
4099 case R_PPC_GOT_TPREL16_HA:
4100 case R_PPC_GOT_DTPREL16:
4101 case R_PPC_GOT_DTPREL16_LO:
4102 case R_PPC_GOT_DTPREL16_HI:
4103 case R_PPC_GOT_DTPREL16_HA:
4105 case R_PPC_GOT16_LO:
4106 case R_PPC_GOT16_HI:
4107 case R_PPC_GOT16_HA:
4110 if (h->got.refcount > 0)
4113 else if (local_got_refcounts != NULL)
4115 if (local_got_refcounts[r_symndx] > 0)
4116 local_got_refcounts[r_symndx]--;
4122 case R_PPC_REL14_BRTAKEN:
4123 case R_PPC_REL14_BRNTAKEN:
4126 || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
4133 case R_PPC_ADDR16_LO:
4134 case R_PPC_ADDR16_HI:
4135 case R_PPC_ADDR16_HA:
4137 case R_PPC_ADDR14_BRTAKEN:
4138 case R_PPC_ADDR14_BRNTAKEN:
4142 case R_PPC_PLTREL24:
4143 case R_PPC_PLT16_LO:
4144 case R_PPC_PLT16_HI:
4145 case R_PPC_PLT16_HA:
4148 if (h->plt.refcount > 0)
4160 /* Set htab->tls_get_addr and call the generic ELF tls_setup function. */
4163 ppc_elf_tls_setup (bfd *obfd, struct bfd_link_info *info)
4165 struct ppc_elf_link_hash_table *htab;
4167 htab = ppc_elf_hash_table (info);
4168 htab->tls_get_addr = elf_link_hash_lookup (&htab->elf, "__tls_get_addr",
4169 FALSE, FALSE, TRUE);
4171 return _bfd_elf_tls_setup (obfd, info);
4174 /* Run through all the TLS relocs looking for optimization
4178 ppc_elf_tls_optimize (bfd *obfd ATTRIBUTE_UNUSED,
4179 struct bfd_link_info *info)
4183 struct ppc_elf_link_hash_table *htab;
4185 if (info->relocatable || info->shared)
4188 htab = ppc_elf_hash_table (info);
4189 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
4191 Elf_Internal_Sym *locsyms = NULL;
4192 Elf_Internal_Shdr *symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
4194 for (sec = ibfd->sections; sec != NULL; sec = sec->next)
4195 if (sec->has_tls_reloc && !bfd_is_abs_section (sec->output_section))
4197 Elf_Internal_Rela *relstart, *rel, *relend;
4198 int expecting_tls_get_addr;
4200 /* Read the relocations. */
4201 relstart = _bfd_elf_link_read_relocs (ibfd, sec, NULL, NULL,
4203 if (relstart == NULL)
4206 expecting_tls_get_addr = 0;
4207 relend = relstart + sec->reloc_count;
4208 for (rel = relstart; rel < relend; rel++)
4210 enum elf_ppc_reloc_type r_type;
4211 unsigned long r_symndx;
4212 struct elf_link_hash_entry *h = NULL;
4214 char tls_set, tls_clear;
4215 bfd_boolean is_local;
4217 r_symndx = ELF32_R_SYM (rel->r_info);
4218 if (r_symndx >= symtab_hdr->sh_info)
4220 struct elf_link_hash_entry **sym_hashes;
4222 sym_hashes = elf_sym_hashes (ibfd);
4223 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
4224 while (h->root.type == bfd_link_hash_indirect
4225 || h->root.type == bfd_link_hash_warning)
4226 h = (struct elf_link_hash_entry *) h->root.u.i.link;
4234 r_type = ELF32_R_TYPE (rel->r_info);
4237 case R_PPC_GOT_TLSLD16:
4238 case R_PPC_GOT_TLSLD16_LO:
4239 case R_PPC_GOT_TLSLD16_HI:
4240 case R_PPC_GOT_TLSLD16_HA:
4241 /* These relocs should never be against a symbol
4242 defined in a shared lib. Leave them alone if
4243 that turns out to be the case. */
4244 expecting_tls_get_addr = 0;
4245 htab->tlsld_got.refcount -= 1;
4252 expecting_tls_get_addr = 1;
4255 case R_PPC_GOT_TLSGD16:
4256 case R_PPC_GOT_TLSGD16_LO:
4257 case R_PPC_GOT_TLSGD16_HI:
4258 case R_PPC_GOT_TLSGD16_HA:
4264 tls_set = TLS_TLS | TLS_TPRELGD;
4266 expecting_tls_get_addr = 1;
4269 case R_PPC_GOT_TPREL16:
4270 case R_PPC_GOT_TPREL16_LO:
4271 case R_PPC_GOT_TPREL16_HI:
4272 case R_PPC_GOT_TPREL16_HA:
4273 expecting_tls_get_addr = 0;
4278 tls_clear = TLS_TPREL;
4285 case R_PPC_REL14_BRTAKEN:
4286 case R_PPC_REL14_BRNTAKEN:
4288 if (expecting_tls_get_addr
4290 && h == htab->tls_get_addr)
4292 if (h->plt.refcount > 0)
4293 h->plt.refcount -= 1;
4295 expecting_tls_get_addr = 0;
4299 expecting_tls_get_addr = 0;
4307 /* We managed to get rid of a got entry. */
4308 if (h->got.refcount > 0)
4309 h->got.refcount -= 1;
4311 tls_mask = &ppc_elf_hash_entry (h)->tls_mask;
4315 Elf_Internal_Sym *sym;
4316 bfd_signed_vma *lgot_refs;
4319 if (locsyms == NULL)
4321 locsyms = (Elf_Internal_Sym *) symtab_hdr->contents;
4322 if (locsyms == NULL)
4323 locsyms = bfd_elf_get_elf_syms (ibfd, symtab_hdr,
4324 symtab_hdr->sh_info,
4325 0, NULL, NULL, NULL);
4326 if (locsyms == NULL)
4328 if (elf_section_data (sec)->relocs != relstart)
4333 sym = locsyms + r_symndx;
4334 lgot_refs = elf_local_got_refcounts (ibfd);
4335 if (lgot_refs == NULL)
4339 /* We managed to get rid of a got entry. */
4340 if (lgot_refs[r_symndx] > 0)
4341 lgot_refs[r_symndx] -= 1;
4343 lgot_masks = (char *) (lgot_refs + symtab_hdr->sh_info);
4344 tls_mask = &lgot_masks[r_symndx];
4347 *tls_mask |= tls_set;
4348 *tls_mask &= ~tls_clear;
4351 if (elf_section_data (sec)->relocs != relstart)
4356 && (symtab_hdr->contents != (unsigned char *) locsyms))
4358 if (!info->keep_memory)
4361 symtab_hdr->contents = (unsigned char *) locsyms;
4367 /* Hook called by the linker routine which adds symbols from an object
4368 file. We use it to put .comm items in .sbss, and not .bss. */
4371 ppc_elf_add_symbol_hook (bfd *abfd,
4372 struct bfd_link_info *info,
4373 Elf_Internal_Sym *sym,
4374 const char **namep ATTRIBUTE_UNUSED,
4375 flagword *flagsp ATTRIBUTE_UNUSED,
4379 if (sym->st_shndx == SHN_COMMON
4380 && !info->relocatable
4381 && sym->st_size <= elf_gp_size (abfd)
4382 && is_ppc_elf_target (info->hash->creator))
4384 /* Common symbols less than or equal to -G nn bytes are automatically
4386 struct ppc_elf_link_hash_table *htab;
4388 htab = ppc_elf_hash_table (info);
4389 if (htab->sbss == NULL)
4391 flagword flags = SEC_IS_COMMON;
4393 htab->sbss = bfd_make_section_anyway (abfd, ".sbss");
4394 if (htab->sbss == NULL
4395 || ! bfd_set_section_flags (abfd, htab->sbss, flags))
4400 *valp = sym->st_size;
4406 /* Finish up dynamic symbol handling. We set the contents of various
4407 dynamic sections here. */
4410 ppc_elf_finish_dynamic_symbol (bfd *output_bfd,
4411 struct bfd_link_info *info,
4412 struct elf_link_hash_entry *h,
4413 Elf_Internal_Sym *sym)
4415 struct ppc_elf_link_hash_table *htab;
4418 fprintf (stderr, "ppc_elf_finish_dynamic_symbol called for %s",
4419 h->root.root.string);
4422 htab = ppc_elf_hash_table (info);
4423 BFD_ASSERT (htab->elf.dynobj != NULL);
4425 if (h->plt.offset != (bfd_vma) -1)
4427 Elf_Internal_Rela rela;
4429 bfd_vma reloc_index;
4432 fprintf (stderr, ", plt_offset = %d", h->plt.offset);
4435 /* This symbol has an entry in the procedure linkage table. Set
4438 BFD_ASSERT (h->dynindx != -1);
4439 BFD_ASSERT (htab->plt != NULL && htab->relplt != NULL);
4441 /* We don't need to fill in the .plt. The ppc dynamic linker
4444 /* Fill in the entry in the .rela.plt section. */
4445 rela.r_offset = (htab->plt->output_section->vma
4446 + htab->plt->output_offset
4448 rela.r_info = ELF32_R_INFO (h->dynindx, R_PPC_JMP_SLOT);
4451 reloc_index = (h->plt.offset - PLT_INITIAL_ENTRY_SIZE) / PLT_SLOT_SIZE;
4452 if (reloc_index > PLT_NUM_SINGLE_ENTRIES)
4453 reloc_index -= (reloc_index - PLT_NUM_SINGLE_ENTRIES) / 2;
4454 loc = (htab->relplt->contents
4455 + reloc_index * sizeof (Elf32_External_Rela));
4456 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4458 if (!h->def_regular)
4460 /* Mark the symbol as undefined, rather than as defined in
4461 the .plt section. Leave the value alone. */
4462 sym->st_shndx = SHN_UNDEF;
4463 /* If the symbol is weak, we do need to clear the value.
4464 Otherwise, the PLT entry would provide a definition for
4465 the symbol even if the symbol wasn't defined anywhere,
4466 and so the symbol would never be NULL. */
4467 if (!h->ref_regular_nonweak)
4475 Elf_Internal_Rela rela;
4478 /* This symbols needs a copy reloc. Set it up. */
4481 fprintf (stderr, ", copy");
4484 BFD_ASSERT (h->dynindx != -1);
4486 if (h->size <= elf_gp_size (htab->elf.dynobj))
4490 BFD_ASSERT (s != NULL);
4492 rela.r_offset = (h->root.u.def.value
4493 + h->root.u.def.section->output_section->vma
4494 + h->root.u.def.section->output_offset);
4495 rela.r_info = ELF32_R_INFO (h->dynindx, R_PPC_COPY);
4497 loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela);
4498 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4502 fprintf (stderr, "\n");
4505 /* Mark some specially defined symbols as absolute. */
4506 if (strcmp (h->root.root.string, "_DYNAMIC") == 0
4507 || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0
4508 || strcmp (h->root.root.string, "_PROCEDURE_LINKAGE_TABLE_") == 0)
4509 sym->st_shndx = SHN_ABS;
4514 /* Finish up the dynamic sections. */
4517 ppc_elf_finish_dynamic_sections (bfd *output_bfd,
4518 struct bfd_link_info *info)
4521 struct ppc_elf_link_hash_table *htab;
4524 fprintf (stderr, "ppc_elf_finish_dynamic_sections called\n");
4527 htab = ppc_elf_hash_table (info);
4528 sdyn = bfd_get_section_by_name (htab->elf.dynobj, ".dynamic");
4530 if (htab->elf.dynamic_sections_created)
4532 Elf32_External_Dyn *dyncon, *dynconend;
4534 BFD_ASSERT (htab->plt != NULL && sdyn != NULL);
4536 dyncon = (Elf32_External_Dyn *) sdyn->contents;
4537 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
4538 for (; dyncon < dynconend; dyncon++)
4540 Elf_Internal_Dyn dyn;
4543 bfd_elf32_swap_dyn_in (htab->elf.dynobj, dyncon, &dyn);
4549 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
4553 dyn.d_un.d_val = htab->relplt->size;
4558 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
4565 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
4569 /* Add a blrl instruction at _GLOBAL_OFFSET_TABLE_-4 so that a function can
4570 easily find the address of the _GLOBAL_OFFSET_TABLE_. */
4573 unsigned char *contents = htab->got->contents;
4574 bfd_put_32 (output_bfd, 0x4e800021 /* blrl */, contents);
4577 bfd_put_32 (output_bfd, 0, contents + 4);
4579 bfd_put_32 (output_bfd,
4580 sdyn->output_section->vma + sdyn->output_offset,
4583 elf_section_data (htab->got->output_section)->this_hdr.sh_entsize = 4;
4589 /* The RELOCATE_SECTION function is called by the ELF backend linker
4590 to handle the relocations for a section.
4592 The relocs are always passed as Rela structures; if the section
4593 actually uses Rel structures, the r_addend field will always be
4596 This function is responsible for adjust the section contents as
4597 necessary, and (if using Rela relocs and generating a
4598 relocatable output file) adjusting the reloc addend as
4601 This function does not have to worry about setting the reloc
4602 address or the reloc symbol index.
4604 LOCAL_SYMS is a pointer to the swapped in local symbols.
4606 LOCAL_SECTIONS is an array giving the section in the input file
4607 corresponding to the st_shndx field of each local symbol.
4609 The global hash table entry for the global symbols can be found
4610 via elf_sym_hashes (input_bfd).
4612 When generating relocatable output, this function must handle
4613 STB_LOCAL/STT_SECTION symbols specially. The output symbol is
4614 going to be the section symbol corresponding to the output
4615 section, which means that the addend must be adjusted
4619 ppc_elf_relocate_section (bfd *output_bfd,
4620 struct bfd_link_info *info,
4622 asection *input_section,
4624 Elf_Internal_Rela *relocs,
4625 Elf_Internal_Sym *local_syms,
4626 asection **local_sections)
4628 Elf_Internal_Shdr *symtab_hdr;
4629 struct elf_link_hash_entry **sym_hashes;
4630 struct ppc_elf_link_hash_table *htab;
4631 Elf_Internal_Rela *rel;
4632 Elf_Internal_Rela *relend;
4633 Elf_Internal_Rela outrel;
4635 asection *sreloc = NULL;
4636 bfd_vma *local_got_offsets;
4637 bfd_boolean ret = TRUE;
4640 _bfd_error_handler ("ppc_elf_relocate_section called for %B section %A, "
4641 "%ld relocations%s",
4642 input_bfd, input_section,
4643 (long) input_section->reloc_count,
4644 (info->relocatable) ? " (relocatable)" : "");
4647 if (info->relocatable)
4650 /* Initialize howto table if not already done. */
4651 if (!ppc_elf_howto_table[R_PPC_ADDR32])
4652 ppc_elf_howto_init ();
4654 htab = ppc_elf_hash_table (info);
4655 local_got_offsets = elf_local_got_offsets (input_bfd);
4656 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
4657 sym_hashes = elf_sym_hashes (input_bfd);
4659 relend = relocs + input_section->reloc_count;
4660 for (; rel < relend; rel++)
4662 enum elf_ppc_reloc_type r_type;
4664 bfd_reloc_status_type r;
4665 Elf_Internal_Sym *sym;
4667 struct elf_link_hash_entry *h;
4668 const char *sym_name;
4669 reloc_howto_type *howto;
4670 unsigned long r_symndx;
4672 bfd_vma branch_bit, insn, from;
4673 bfd_boolean unresolved_reloc;
4675 unsigned int tls_type, tls_mask, tls_gd;
4677 r_type = ELF32_R_TYPE (rel->r_info);
4681 unresolved_reloc = FALSE;
4683 r_symndx = ELF32_R_SYM (rel->r_info);
4685 if (r_symndx < symtab_hdr->sh_info)
4687 sym = local_syms + r_symndx;
4688 sec = local_sections[r_symndx];
4689 sym_name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym);
4691 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
4695 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
4696 r_symndx, symtab_hdr, sym_hashes,
4698 unresolved_reloc, warned);
4700 sym_name = h->root.root.string;
4703 /* TLS optimizations. Replace instruction sequences and relocs
4704 based on information we collected in tls_optimize. We edit
4705 RELOCS so that --emit-relocs will output something sensible
4706 for the final instruction stream. */
4709 if (IS_PPC_TLS_RELOC (r_type))
4712 tls_mask = ((struct ppc_elf_link_hash_entry *) h)->tls_mask;
4713 else if (local_got_offsets != NULL)
4716 lgot_masks = (char *) (local_got_offsets + symtab_hdr->sh_info);
4717 tls_mask = lgot_masks[r_symndx];
4721 /* Ensure reloc mapping code below stays sane. */
4722 if ((R_PPC_GOT_TLSLD16 & 3) != (R_PPC_GOT_TLSGD16 & 3)
4723 || (R_PPC_GOT_TLSLD16_LO & 3) != (R_PPC_GOT_TLSGD16_LO & 3)
4724 || (R_PPC_GOT_TLSLD16_HI & 3) != (R_PPC_GOT_TLSGD16_HI & 3)
4725 || (R_PPC_GOT_TLSLD16_HA & 3) != (R_PPC_GOT_TLSGD16_HA & 3)
4726 || (R_PPC_GOT_TLSLD16 & 3) != (R_PPC_GOT_TPREL16 & 3)
4727 || (R_PPC_GOT_TLSLD16_LO & 3) != (R_PPC_GOT_TPREL16_LO & 3)
4728 || (R_PPC_GOT_TLSLD16_HI & 3) != (R_PPC_GOT_TPREL16_HI & 3)
4729 || (R_PPC_GOT_TLSLD16_HA & 3) != (R_PPC_GOT_TPREL16_HA & 3))
4736 case R_PPC_GOT_TPREL16:
4737 case R_PPC_GOT_TPREL16_LO:
4739 && (tls_mask & TLS_TPREL) == 0)
4742 insn = bfd_get_32 (output_bfd, contents + rel->r_offset - 2);
4744 insn |= 0x3c020000; /* addis 0,2,0 */
4745 bfd_put_32 (output_bfd, insn, contents + rel->r_offset - 2);
4746 r_type = R_PPC_TPREL16_HA;
4747 rel->r_info = ELF32_R_INFO (r_symndx, r_type);
4753 && (tls_mask & TLS_TPREL) == 0)
4756 insn = bfd_get_32 (output_bfd, contents + rel->r_offset);
4757 if ((insn & ((31 << 26) | (31 << 11)))
4758 == ((31 << 26) | (2 << 11)))
4759 rtra = insn & ((1 << 26) - (1 << 16));
4760 else if ((insn & ((31 << 26) | (31 << 16)))
4761 == ((31 << 26) | (2 << 16)))
4762 rtra = (insn & (31 << 21)) | ((insn & (31 << 11)) << 5);
4765 if ((insn & ((1 << 11) - (1 << 1))) == 266 << 1)
4768 else if ((insn & (31 << 1)) == 23 << 1
4769 && ((insn & (31 << 6)) < 14 << 6
4770 || ((insn & (31 << 6)) >= 16 << 6
4771 && (insn & (31 << 6)) < 24 << 6)))
4772 /* load and store indexed -> dform. */
4773 insn = (32 | ((insn >> 6) & 31)) << 26;
4774 else if ((insn & (31 << 1)) == 21 << 1
4775 && (insn & (0x1a << 6)) == 0)
4776 /* ldx, ldux, stdx, stdux -> ld, ldu, std, stdu. */
4777 insn = (((58 | ((insn >> 6) & 4)) << 26)
4778 | ((insn >> 6) & 1));
4779 else if ((insn & (31 << 1)) == 21 << 1
4780 && (insn & ((1 << 11) - (1 << 1))) == 341 << 1)
4782 insn = (58 << 26) | 2;
4786 bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
4787 r_type = R_PPC_TPREL16_LO;
4788 rel->r_info = ELF32_R_INFO (r_symndx, r_type);
4789 /* Was PPC_TLS which sits on insn boundary, now
4790 PPC_TPREL16_LO which is at insn+2. */
4795 case R_PPC_GOT_TLSGD16_HI:
4796 case R_PPC_GOT_TLSGD16_HA:
4797 tls_gd = TLS_TPRELGD;
4798 if (tls_mask != 0 && (tls_mask & TLS_GD) == 0)
4802 case R_PPC_GOT_TLSLD16_HI:
4803 case R_PPC_GOT_TLSLD16_HA:
4804 if (tls_mask != 0 && (tls_mask & TLS_LD) == 0)
4807 if ((tls_mask & tls_gd) != 0)
4808 r_type = (((r_type - (R_PPC_GOT_TLSGD16 & 3)) & 3)
4809 + R_PPC_GOT_TPREL16);
4812 bfd_put_32 (output_bfd, NOP, contents + rel->r_offset);
4814 r_type = R_PPC_NONE;
4816 rel->r_info = ELF32_R_INFO (r_symndx, r_type);
4820 case R_PPC_GOT_TLSGD16:
4821 case R_PPC_GOT_TLSGD16_LO:
4822 tls_gd = TLS_TPRELGD;
4823 if (tls_mask != 0 && (tls_mask & TLS_GD) == 0)
4824 goto tls_get_addr_check;
4827 case R_PPC_GOT_TLSLD16:
4828 case R_PPC_GOT_TLSLD16_LO:
4829 if (tls_mask != 0 && (tls_mask & TLS_LD) == 0)
4832 if (rel + 1 < relend)
4834 enum elf_ppc_reloc_type r_type2;
4835 unsigned long r_symndx2;
4836 struct elf_link_hash_entry *h2;
4837 bfd_vma insn1, insn2;
4840 /* The next instruction should be a call to
4841 __tls_get_addr. Peek at the reloc to be sure. */
4842 r_type2 = ELF32_R_TYPE (rel[1].r_info);
4843 r_symndx2 = ELF32_R_SYM (rel[1].r_info);
4844 if (r_symndx2 < symtab_hdr->sh_info
4845 || (r_type2 != R_PPC_REL14
4846 && r_type2 != R_PPC_REL14_BRTAKEN
4847 && r_type2 != R_PPC_REL14_BRNTAKEN
4848 && r_type2 != R_PPC_REL24
4849 && r_type2 != R_PPC_PLTREL24))
4852 h2 = sym_hashes[r_symndx2 - symtab_hdr->sh_info];
4853 while (h2->root.type == bfd_link_hash_indirect
4854 || h2->root.type == bfd_link_hash_warning)
4855 h2 = (struct elf_link_hash_entry *) h2->root.u.i.link;
4856 if (h2 == NULL || h2 != htab->tls_get_addr)
4859 /* OK, it checks out. Replace the call. */
4860 offset = rel[1].r_offset;
4861 insn1 = bfd_get_32 (output_bfd,
4862 contents + rel->r_offset - 2);
4863 if ((tls_mask & tls_gd) != 0)
4866 insn1 &= (1 << 26) - 1;
4867 insn1 |= 32 << 26; /* lwz */
4868 insn2 = 0x7c631214; /* add 3,3,2 */
4869 rel[1].r_info = ELF32_R_INFO (r_symndx2, R_PPC_NONE);
4870 r_type = (((r_type - (R_PPC_GOT_TLSGD16 & 3)) & 3)
4871 + R_PPC_GOT_TPREL16);
4872 rel->r_info = ELF32_R_INFO (r_symndx, r_type);
4877 insn1 = 0x3c620000; /* addis 3,2,0 */
4878 insn2 = 0x38630000; /* addi 3,3,0 */
4881 /* Was an LD reloc. */
4883 rel->r_addend = htab->elf.tls_sec->vma + DTP_OFFSET;
4884 rel[1].r_addend = htab->elf.tls_sec->vma + DTP_OFFSET;
4886 r_type = R_PPC_TPREL16_HA;
4887 rel->r_info = ELF32_R_INFO (r_symndx, r_type);
4888 rel[1].r_info = ELF32_R_INFO (r_symndx,
4890 rel[1].r_offset += 2;
4892 bfd_put_32 (output_bfd, insn1, contents + rel->r_offset - 2);
4893 bfd_put_32 (output_bfd, insn2, contents + offset);
4896 /* We changed the symbol on an LD reloc. Start over
4897 in order to get h, sym, sec etc. right. */
4906 /* Handle other relocations that tweak non-addend part of insn. */
4913 /* Branch taken prediction relocations. */
4914 case R_PPC_ADDR14_BRTAKEN:
4915 case R_PPC_REL14_BRTAKEN:
4916 branch_bit = BRANCH_PREDICT_BIT;
4919 /* Branch not taken prediction relocations. */
4920 case R_PPC_ADDR14_BRNTAKEN:
4921 case R_PPC_REL14_BRNTAKEN:
4922 insn = bfd_get_32 (output_bfd, contents + rel->r_offset);
4923 insn &= ~BRANCH_PREDICT_BIT;
4926 from = (rel->r_offset
4927 + input_section->output_offset
4928 + input_section->output_section->vma);
4930 /* Invert 'y' bit if not the default. */
4931 if ((bfd_signed_vma) (relocation + rel->r_addend - from) < 0)
4932 insn ^= BRANCH_PREDICT_BIT;
4934 bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
4938 addend = rel->r_addend;
4941 if (r_type < R_PPC_max)
4942 howto = ppc_elf_howto_table[r_type];
4946 (*_bfd_error_handler)
4947 (_("%B: unknown relocation type %d for symbol %s"),
4948 input_bfd, (int) r_type, sym_name);
4950 bfd_set_error (bfd_error_bad_value);
4956 case R_PPC_EMB_MRKREF:
4957 case R_PPC_GNU_VTINHERIT:
4958 case R_PPC_GNU_VTENTRY:
4961 /* GOT16 relocations. Like an ADDR16 using the symbol's
4962 address in the GOT as relocation value instead of the
4963 symbol's value itself. Also, create a GOT entry for the
4964 symbol and put the symbol value there. */
4965 case R_PPC_GOT_TLSGD16:
4966 case R_PPC_GOT_TLSGD16_LO:
4967 case R_PPC_GOT_TLSGD16_HI:
4968 case R_PPC_GOT_TLSGD16_HA:
4969 tls_type = TLS_TLS | TLS_GD;
4972 case R_PPC_GOT_TLSLD16:
4973 case R_PPC_GOT_TLSLD16_LO:
4974 case R_PPC_GOT_TLSLD16_HI:
4975 case R_PPC_GOT_TLSLD16_HA:
4976 tls_type = TLS_TLS | TLS_LD;
4979 case R_PPC_GOT_TPREL16:
4980 case R_PPC_GOT_TPREL16_LO:
4981 case R_PPC_GOT_TPREL16_HI:
4982 case R_PPC_GOT_TPREL16_HA:
4983 tls_type = TLS_TLS | TLS_TPREL;
4986 case R_PPC_GOT_DTPREL16:
4987 case R_PPC_GOT_DTPREL16_LO:
4988 case R_PPC_GOT_DTPREL16_HI:
4989 case R_PPC_GOT_DTPREL16_HA:
4990 tls_type = TLS_TLS | TLS_DTPREL;
4994 case R_PPC_GOT16_LO:
4995 case R_PPC_GOT16_HI:
4996 case R_PPC_GOT16_HA:
4999 /* Relocation is to the entry for this symbol in the global
5005 if (htab->got == NULL)
5009 if (tls_type == (TLS_TLS | TLS_LD)
5011 || !h->def_dynamic))
5012 offp = &htab->tlsld_got.offset;
5016 dyn = htab->elf.dynamic_sections_created;
5017 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
5019 && SYMBOL_REFERENCES_LOCAL (info, h)))
5020 /* This is actually a static link, or it is a
5021 -Bsymbolic link and the symbol is defined
5022 locally, or the symbol was forced to be local
5023 because of a version file. */
5028 unresolved_reloc = FALSE;
5030 offp = &h->got.offset;
5034 if (local_got_offsets == NULL)
5036 offp = &local_got_offsets[r_symndx];
5039 /* The offset must always be a multiple of 4. We use the
5040 least significant bit to record whether we have already
5041 processed this entry. */
5047 unsigned int tls_m = (tls_mask
5048 & (TLS_LD | TLS_GD | TLS_DTPREL
5049 | TLS_TPREL | TLS_TPRELGD));
5051 if (offp == &htab->tlsld_got.offset)
5057 /* We might have multiple got entries for this sym.
5058 Initialize them all. */
5063 if ((tls_m & TLS_LD) != 0)
5065 tls_ty = TLS_TLS | TLS_LD;
5068 else if ((tls_m & TLS_GD) != 0)
5070 tls_ty = TLS_TLS | TLS_GD;
5073 else if ((tls_m & TLS_DTPREL) != 0)
5075 tls_ty = TLS_TLS | TLS_DTPREL;
5076 tls_m &= ~TLS_DTPREL;
5078 else if ((tls_m & (TLS_TPREL | TLS_TPRELGD)) != 0)
5080 tls_ty = TLS_TLS | TLS_TPREL;
5084 /* Generate relocs for the dynamic linker. */
5085 if ((info->shared || indx != 0)
5087 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
5088 || h->root.type != bfd_link_hash_undefweak))
5090 outrel.r_offset = (htab->got->output_section->vma
5091 + htab->got->output_offset
5093 outrel.r_addend = 0;
5094 if (tls_ty & (TLS_LD | TLS_GD))
5096 outrel.r_info = ELF32_R_INFO (indx, R_PPC_DTPMOD32);
5097 if (tls_ty == (TLS_TLS | TLS_GD))
5099 loc = htab->relgot->contents;
5100 loc += (htab->relgot->reloc_count++
5101 * sizeof (Elf32_External_Rela));
5102 bfd_elf32_swap_reloca_out (output_bfd,
5104 outrel.r_offset += 4;
5106 = ELF32_R_INFO (indx, R_PPC_DTPREL32);
5109 else if (tls_ty == (TLS_TLS | TLS_DTPREL))
5110 outrel.r_info = ELF32_R_INFO (indx, R_PPC_DTPREL32);
5111 else if (tls_ty == (TLS_TLS | TLS_TPREL))
5112 outrel.r_info = ELF32_R_INFO (indx, R_PPC_TPREL32);
5114 outrel.r_info = ELF32_R_INFO (indx, R_PPC_RELATIVE);
5116 outrel.r_info = ELF32_R_INFO (indx, R_PPC_GLOB_DAT);
5119 outrel.r_addend += relocation;
5120 if (tls_ty & (TLS_GD | TLS_DTPREL | TLS_TPREL))
5121 outrel.r_addend -= htab->elf.tls_sec->vma;
5123 loc = htab->relgot->contents;
5124 loc += (htab->relgot->reloc_count++
5125 * sizeof (Elf32_External_Rela));
5126 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5129 /* Init the .got section contents if we're not
5130 emitting a reloc. */
5133 bfd_vma value = relocation;
5135 if (tls_ty == (TLS_TLS | TLS_LD))
5137 else if (tls_ty != 0)
5139 value -= htab->elf.tls_sec->vma + DTP_OFFSET;
5140 if (tls_ty == (TLS_TLS | TLS_TPREL))
5141 value += DTP_OFFSET - TP_OFFSET;
5143 if (tls_ty == (TLS_TLS | TLS_GD))
5145 bfd_put_32 (output_bfd, value,
5146 htab->got->contents + off + 4);
5150 bfd_put_32 (output_bfd, value,
5151 htab->got->contents + off);
5155 if (tls_ty & (TLS_LD | TLS_GD))
5164 if (off >= (bfd_vma) -2)
5167 if ((tls_type & TLS_TLS) != 0)
5169 if (tls_type != (TLS_TLS | TLS_LD))
5171 if ((tls_mask & TLS_LD) != 0
5173 || !h->def_dynamic))
5175 if (tls_type != (TLS_TLS | TLS_GD))
5177 if ((tls_mask & TLS_GD) != 0)
5179 if (tls_type != (TLS_TLS | TLS_DTPREL))
5181 if ((tls_mask & TLS_DTPREL) != 0)
5188 relocation = htab->got->output_offset + off - 4;
5190 /* Addends on got relocations don't make much sense.
5191 x+off@got is actually x@got+off, and since the got is
5192 generated by a hash table traversal, the value in the
5193 got at entry m+n bears little relation to the entry m. */
5195 (*_bfd_error_handler)
5196 (_("%B(%A+0x%lx): non-zero addend on %s reloc against `%s'"),
5199 (long) rel->r_offset,
5205 /* Relocations that need no special processing. */
5206 case R_PPC_LOCAL24PC:
5207 /* It makes no sense to point a local relocation
5208 at a symbol not in this object. */
5209 if (unresolved_reloc)
5211 if (! (*info->callbacks->undefined_symbol) (info,
5212 h->root.root.string,
5222 case R_PPC_DTPREL16:
5223 case R_PPC_DTPREL16_LO:
5224 case R_PPC_DTPREL16_HI:
5225 case R_PPC_DTPREL16_HA:
5226 addend -= htab->elf.tls_sec->vma + DTP_OFFSET;
5229 /* Relocations that may need to be propagated if this is a shared
5232 case R_PPC_TPREL16_LO:
5233 case R_PPC_TPREL16_HI:
5234 case R_PPC_TPREL16_HA:
5235 addend -= htab->elf.tls_sec->vma + TP_OFFSET;
5236 /* The TPREL16 relocs shouldn't really be used in shared
5237 libs as they will result in DT_TEXTREL being set, but
5238 support them anyway. */
5242 addend -= htab->elf.tls_sec->vma + TP_OFFSET;
5245 case R_PPC_DTPREL32:
5246 addend -= htab->elf.tls_sec->vma + DTP_OFFSET;
5249 case R_PPC_DTPMOD32:
5257 case R_PPC_REL14_BRTAKEN:
5258 case R_PPC_REL14_BRNTAKEN:
5259 /* If these relocations are not to a named symbol, they can be
5260 handled right here, no need to bother the dynamic linker. */
5261 if (SYMBOL_REFERENCES_LOCAL (info, h)
5262 || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
5266 /* Relocations that always need to be propagated if this is a shared
5271 case R_PPC_ADDR16_LO:
5272 case R_PPC_ADDR16_HI:
5273 case R_PPC_ADDR16_HA:
5275 case R_PPC_ADDR14_BRTAKEN:
5276 case R_PPC_ADDR14_BRNTAKEN:
5279 /* r_symndx will be zero only for relocs against symbols
5280 from removed linkonce sections, or sections discarded by
5289 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
5290 || h->root.type != bfd_link_hash_undefweak)
5291 && (MUST_BE_DYN_RELOC (r_type)
5292 || !SYMBOL_CALLS_LOCAL (info, h)))
5293 || (ELIMINATE_COPY_RELOCS
5295 && (input_section->flags & SEC_ALLOC) != 0
5300 && !h->def_regular))
5305 fprintf (stderr, "ppc_elf_relocate_section needs to "
5306 "create relocation for %s\n",
5307 (h && h->root.root.string
5308 ? h->root.root.string : "<unknown>"));
5311 /* When generating a shared object, these relocations
5312 are copied into the output file to be resolved at run
5318 name = (bfd_elf_string_from_elf_section
5320 elf_elfheader (input_bfd)->e_shstrndx,
5321 elf_section_data (input_section)->rel_hdr.sh_name));
5325 BFD_ASSERT (strncmp (name, ".rela", 5) == 0
5326 && strcmp (bfd_get_section_name (input_bfd,
5330 sreloc = bfd_get_section_by_name (htab->elf.dynobj, name);
5331 BFD_ASSERT (sreloc != NULL);
5337 _bfd_elf_section_offset (output_bfd, info, input_section,
5339 if (outrel.r_offset == (bfd_vma) -1
5340 || outrel.r_offset == (bfd_vma) -2)
5341 skip = (int) outrel.r_offset;
5342 outrel.r_offset += (input_section->output_section->vma
5343 + input_section->output_offset);
5346 memset (&outrel, 0, sizeof outrel);
5347 else if (!SYMBOL_REFERENCES_LOCAL (info, h))
5349 unresolved_reloc = FALSE;
5350 outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
5351 outrel.r_addend = rel->r_addend;
5355 outrel.r_addend = relocation + rel->r_addend;
5357 if (r_type == R_PPC_ADDR32)
5358 outrel.r_info = ELF32_R_INFO (0, R_PPC_RELATIVE);
5363 if (bfd_is_abs_section (sec))
5365 else if (sec == NULL || sec->owner == NULL)
5367 bfd_set_error (bfd_error_bad_value);
5374 /* We are turning this relocation into one
5375 against a section symbol. It would be
5376 proper to subtract the symbol's value,
5377 osec->vma, from the emitted reloc addend,
5378 but ld.so expects buggy relocs. */
5379 osec = sec->output_section;
5380 indx = elf_section_data (osec)->dynindx;
5381 BFD_ASSERT (indx > 0);
5384 printf ("indx=%d section=%s flags=%08x name=%s\n",
5385 indx, osec->name, osec->flags,
5386 h->root.root.string);
5390 outrel.r_info = ELF32_R_INFO (indx, r_type);
5394 loc = sreloc->contents;
5395 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
5396 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
5401 /* This reloc will be computed at runtime. We clear the memory
5402 so that it contains predictable value. */
5404 && ((input_section->flags & SEC_ALLOC) != 0
5405 || ELF32_R_TYPE (outrel.r_info) != R_PPC_RELATIVE))
5407 relocation = howto->pc_relative ? outrel.r_offset : 0;
5414 case R_PPC_RELAX32PC_PLT:
5415 case R_PPC_RELAX32_PLT:
5416 BFD_ASSERT (h != NULL
5417 && h->plt.offset != (bfd_vma) -1
5418 && htab->plt != NULL);
5420 relocation = (htab->plt->output_section->vma
5421 + htab->plt->output_offset
5423 if (r_type == R_PPC_RELAX32_PLT)
5427 case R_PPC_RELAX32PC:
5428 relocation -= (input_section->output_section->vma
5429 + input_section->output_offset
5430 + rel->r_offset - 4);
5439 t0 = bfd_get_32 (output_bfd, contents + rel->r_offset);
5440 t1 = bfd_get_32 (output_bfd, contents + rel->r_offset + 4);
5442 /* We're clearing the bits for R_PPC_ADDR16_HA
5443 and R_PPC_ADDR16_LO here. */
5447 /* t0 is HA, t1 is LO */
5448 relocation += addend;
5449 t0 |= ((relocation + 0x8000) >> 16) & 0xffff;
5450 t1 |= relocation & 0xffff;
5452 bfd_put_32 (output_bfd, t0, contents + rel->r_offset);
5453 bfd_put_32 (output_bfd, t1, contents + rel->r_offset + 4);
5457 /* Indirect .sdata relocation. */
5458 case R_PPC_EMB_SDAI16:
5459 BFD_ASSERT (htab->sdata != NULL);
5461 = elf_finish_pointer_linker_section (output_bfd, input_bfd, info,
5462 htab->sdata, h, relocation,
5463 rel, R_PPC_RELATIVE);
5466 /* Indirect .sdata2 relocation. */
5467 case R_PPC_EMB_SDA2I16:
5468 BFD_ASSERT (htab->sdata2 != NULL);
5470 = elf_finish_pointer_linker_section (output_bfd, input_bfd, info,
5471 htab->sdata2, h, relocation,
5472 rel, R_PPC_RELATIVE);
5475 /* Handle the TOC16 reloc. We want to use the offset within the .got
5476 section, not the actual VMA. This is appropriate when generating
5477 an embedded ELF object, for which the .got section acts like the
5478 AIX .toc section. */
5479 case R_PPC_TOC16: /* phony GOT16 relocations */
5480 BFD_ASSERT (sec != NULL);
5481 BFD_ASSERT (bfd_is_und_section (sec)
5482 || strcmp (bfd_get_section_name (abfd, sec), ".got") == 0
5483 || strcmp (bfd_get_section_name (abfd, sec), ".cgot") == 0);
5485 addend -= sec->output_section->vma + sec->output_offset + 0x8000;
5488 case R_PPC_PLTREL24:
5489 /* Relocation is to the entry for this symbol in the
5490 procedure linkage table. */
5491 BFD_ASSERT (h != NULL);
5493 if (h->plt.offset == (bfd_vma) -1
5494 || htab->plt == NULL)
5496 /* We didn't make a PLT entry for this symbol. This
5497 happens when statically linking PIC code, or when
5498 using -Bsymbolic. */
5502 unresolved_reloc = FALSE;
5503 relocation = (htab->plt->output_section->vma
5504 + htab->plt->output_offset
5508 /* Relocate against _SDA_BASE_. */
5509 case R_PPC_SDAREL16:
5512 const struct elf_link_hash_entry *sh;
5514 BFD_ASSERT (sec != NULL);
5515 name = bfd_get_section_name (abfd, sec->output_section);
5516 if (! ((strncmp (name, ".sdata", 6) == 0
5517 && (name[6] == 0 || name[6] == '.'))
5518 || (strncmp (name, ".sbss", 5) == 0
5519 && (name[5] == 0 || name[5] == '.'))))
5521 (*_bfd_error_handler)
5522 (_("%B: the target (%s) of a %s relocation is "
5523 "in the wrong output section (%s)"),
5529 sh = htab->sdata->sym_hash;
5530 addend -= (sh->root.u.def.value
5531 + sh->root.u.def.section->output_section->vma
5532 + sh->root.u.def.section->output_offset);
5536 /* Relocate against _SDA2_BASE_. */
5537 case R_PPC_EMB_SDA2REL:
5540 const struct elf_link_hash_entry *sh;
5542 BFD_ASSERT (sec != NULL);
5543 name = bfd_get_section_name (abfd, sec->output_section);
5544 if (! (strncmp (name, ".sdata2", 7) == 0
5545 || strncmp (name, ".sbss2", 6) == 0))
5547 (*_bfd_error_handler)
5548 (_("%B: the target (%s) of a %s relocation is "
5549 "in the wrong output section (%s)"),
5555 bfd_set_error (bfd_error_bad_value);
5559 sh = htab->sdata2->sym_hash;
5560 addend -= (sh->root.u.def.value
5561 + sh->root.u.def.section->output_section->vma
5562 + sh->root.u.def.section->output_offset);
5566 /* Relocate against either _SDA_BASE_, _SDA2_BASE_, or 0. */
5567 case R_PPC_EMB_SDA21:
5568 case R_PPC_EMB_RELSDA:
5571 const struct elf_link_hash_entry *sh;
5574 BFD_ASSERT (sec != NULL);
5575 name = bfd_get_section_name (abfd, sec->output_section);
5576 if (((strncmp (name, ".sdata", 6) == 0
5577 && (name[6] == 0 || name[6] == '.'))
5578 || (strncmp (name, ".sbss", 5) == 0
5579 && (name[5] == 0 || name[5] == '.'))))
5582 sh = htab->sdata->sym_hash;
5583 addend -= (sh->root.u.def.value
5584 + sh->root.u.def.section->output_section->vma
5585 + sh->root.u.def.section->output_offset);
5588 else if (strncmp (name, ".sdata2", 7) == 0
5589 || strncmp (name, ".sbss2", 6) == 0)
5592 sh = htab->sdata2->sym_hash;
5593 addend -= (sh->root.u.def.value
5594 + sh->root.u.def.section->output_section->vma
5595 + sh->root.u.def.section->output_offset);
5598 else if (strcmp (name, ".PPC.EMB.sdata0") == 0
5599 || strcmp (name, ".PPC.EMB.sbss0") == 0)
5606 (*_bfd_error_handler)
5607 (_("%B: the target (%s) of a %s relocation is "
5608 "in the wrong output section (%s)"),
5614 bfd_set_error (bfd_error_bad_value);
5619 if (r_type == R_PPC_EMB_SDA21)
5620 { /* fill in register field */
5621 insn = bfd_get_32 (output_bfd, contents + rel->r_offset);
5622 insn = (insn & ~RA_REGISTER_MASK) | (reg << RA_REGISTER_SHIFT);
5623 bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
5628 /* Relocate against the beginning of the section. */
5630 case R_PPC_SECTOFF_LO:
5631 case R_PPC_SECTOFF_HI:
5632 case R_PPC_SECTOFF_HA:
5633 BFD_ASSERT (sec != NULL);
5634 addend -= sec->output_section->vma;
5637 /* Negative relocations. */
5638 case R_PPC_EMB_NADDR32:
5639 case R_PPC_EMB_NADDR16:
5640 case R_PPC_EMB_NADDR16_LO:
5641 case R_PPC_EMB_NADDR16_HI:
5642 case R_PPC_EMB_NADDR16_HA:
5643 addend -= 2 * relocation;
5647 case R_PPC_GLOB_DAT:
5648 case R_PPC_JMP_SLOT:
5649 case R_PPC_RELATIVE:
5651 case R_PPC_PLTREL32:
5652 case R_PPC_PLT16_LO:
5653 case R_PPC_PLT16_HI:
5654 case R_PPC_PLT16_HA:
5656 case R_PPC_EMB_RELSEC16:
5657 case R_PPC_EMB_RELST_LO:
5658 case R_PPC_EMB_RELST_HI:
5659 case R_PPC_EMB_RELST_HA:
5660 case R_PPC_EMB_BIT_FLD:
5661 (*_bfd_error_handler)
5662 (_("%B: relocation %s is not yet supported for symbol %s."),
5667 bfd_set_error (bfd_error_invalid_operation);
5672 /* Do any further special processing. */
5678 case R_PPC_ADDR16_HA:
5679 case R_PPC_GOT16_HA:
5680 case R_PPC_PLT16_HA:
5681 case R_PPC_SECTOFF_HA:
5682 case R_PPC_TPREL16_HA:
5683 case R_PPC_DTPREL16_HA:
5684 case R_PPC_GOT_TLSGD16_HA:
5685 case R_PPC_GOT_TLSLD16_HA:
5686 case R_PPC_GOT_TPREL16_HA:
5687 case R_PPC_GOT_DTPREL16_HA:
5688 case R_PPC_EMB_NADDR16_HA:
5689 case R_PPC_EMB_RELST_HA:
5690 /* It's just possible that this symbol is a weak symbol
5691 that's not actually defined anywhere. In that case,
5692 'sec' would be NULL, and we should leave the symbol
5693 alone (it will be set to zero elsewhere in the link). */
5695 /* Add 0x10000 if sign bit in 0:15 is set.
5696 Bits 0:15 are not used. */
5702 fprintf (stderr, "\ttype = %s (%d), name = %s, symbol index = %ld, "
5703 "offset = %ld, addend = %ld\n",
5708 (long) rel->r_offset,
5712 if (unresolved_reloc
5713 && !((input_section->flags & SEC_DEBUGGING) != 0
5716 (*_bfd_error_handler)
5717 (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
5720 (long) rel->r_offset,
5726 r = _bfd_final_link_relocate (howto,
5734 if (r != bfd_reloc_ok)
5736 if (sym_name == NULL)
5737 sym_name = "(null)";
5738 if (r == bfd_reloc_overflow)
5743 && h->root.type == bfd_link_hash_undefweak
5744 && howto->pc_relative)
5746 /* Assume this is a call protected by other code that
5747 detect the symbol is undefined. If this is the case,
5748 we can safely ignore the overflow. If not, the
5749 program is hosed anyway, and a little warning isn't
5755 if (! (*info->callbacks->reloc_overflow) (info,
5756 (h ? &h->root : NULL),
5767 (*_bfd_error_handler)
5768 (_("%B(%A+0x%lx): %s reloc against `%s': error %d"),
5769 input_bfd, input_section,
5770 (long) rel->r_offset, howto->name, sym_name, (int) r);
5777 fprintf (stderr, "\n");
5783 static enum elf_reloc_type_class
5784 ppc_elf_reloc_type_class (const Elf_Internal_Rela *rela)
5786 switch (ELF32_R_TYPE (rela->r_info))
5788 case R_PPC_RELATIVE:
5789 return reloc_class_relative;
5792 case R_PPC_JMP_SLOT:
5793 return reloc_class_plt;
5795 return reloc_class_copy;
5797 return reloc_class_normal;
5801 /* Support for core dump NOTE sections. */
5804 ppc_elf_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
5809 switch (note->descsz)
5814 case 268: /* Linux/PPC. */
5816 elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12);
5819 elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 24);
5828 /* Make a ".reg/999" section. */
5829 return _bfd_elfcore_make_pseudosection (abfd, ".reg",
5830 size, note->descpos + offset);
5834 ppc_elf_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
5836 switch (note->descsz)
5841 case 128: /* Linux/PPC elf_prpsinfo. */
5842 elf_tdata (abfd)->core_program
5843 = _bfd_elfcore_strndup (abfd, note->descdata + 32, 16);
5844 elf_tdata (abfd)->core_command
5845 = _bfd_elfcore_strndup (abfd, note->descdata + 48, 80);
5848 /* Note that for some reason, a spurious space is tacked
5849 onto the end of the args in some (at least one anyway)
5850 implementations, so strip it off if it exists. */
5853 char *command = elf_tdata (abfd)->core_command;
5854 int n = strlen (command);
5856 if (0 < n && command[n - 1] == ' ')
5857 command[n - 1] = '\0';
5863 /* Very simple linked list structure for recording apuinfo values. */
5864 typedef struct apuinfo_list
5866 struct apuinfo_list *next;
5867 unsigned long value;
5871 static apuinfo_list *head;
5875 apuinfo_list_init (void)
5881 apuinfo_list_add (unsigned long value)
5883 apuinfo_list *entry = head;
5885 while (entry != NULL)
5887 if (entry->value == value)
5889 entry = entry->next;
5892 entry = bfd_malloc (sizeof (* entry));
5896 entry->value = value;
5902 apuinfo_list_length (void)
5904 apuinfo_list *entry;
5905 unsigned long count;
5907 for (entry = head, count = 0;
5909 entry = entry->next)
5915 static inline unsigned long
5916 apuinfo_list_element (unsigned long number)
5918 apuinfo_list * entry;
5922 entry = entry->next)
5925 return entry ? entry->value : 0;
5929 apuinfo_list_finish (void)
5931 apuinfo_list *entry;
5933 for (entry = head; entry;)
5935 apuinfo_list *next = entry->next;
5943 #define APUINFO_SECTION_NAME ".PPC.EMB.apuinfo"
5944 #define APUINFO_LABEL "APUinfo"
5946 /* Scan the input BFDs and create a linked list of
5947 the APUinfo values that will need to be emitted. */
5950 ppc_elf_begin_write_processing (bfd *abfd, struct bfd_link_info *link_info)
5955 unsigned num_input_sections;
5956 bfd_size_type output_section_size;
5958 unsigned num_entries;
5959 unsigned long offset;
5960 unsigned long length;
5961 const char *error_message = NULL;
5963 if (link_info == NULL)
5966 /* Scan the input bfds, looking for apuinfo sections. */
5967 num_input_sections = 0;
5968 output_section_size = 0;
5970 for (ibfd = link_info->input_bfds; ibfd; ibfd = ibfd->link_next)
5972 asec = bfd_get_section_by_name (ibfd, APUINFO_SECTION_NAME);
5975 ++ num_input_sections;
5976 output_section_size += asec->size;
5980 /* We need at least one input sections
5981 in order to make merging worthwhile. */
5982 if (num_input_sections < 1)
5985 /* Just make sure that the output section exists as well. */
5986 asec = bfd_get_section_by_name (abfd, APUINFO_SECTION_NAME);
5990 /* Allocate a buffer for the contents of the input sections. */
5991 buffer = bfd_malloc (output_section_size);
5996 apuinfo_list_init ();
5998 /* Read in the input sections contents. */
5999 for (ibfd = link_info->input_bfds; ibfd; ibfd = ibfd->link_next)
6001 unsigned long datum;
6004 asec = bfd_get_section_by_name (ibfd, APUINFO_SECTION_NAME);
6008 length = asec->size;
6011 error_message = _("corrupt or empty %s section in %B");
6015 if (bfd_seek (ibfd, asec->filepos, SEEK_SET) != 0
6016 || (bfd_bread (buffer + offset, length, ibfd) != length))
6018 error_message = _("unable to read in %s section from %B");
6022 /* Process the contents of the section. */
6023 ptr = buffer + offset;
6024 error_message = _("corrupt %s section in %B");
6026 /* Verify the contents of the header. Note - we have to
6027 extract the values this way in order to allow for a
6028 host whose endian-ness is different from the target. */
6029 datum = bfd_get_32 (ibfd, ptr);
6030 if (datum != sizeof APUINFO_LABEL)
6033 datum = bfd_get_32 (ibfd, ptr + 8);
6037 if (strcmp (ptr + 12, APUINFO_LABEL) != 0)
6040 /* Get the number of bytes used for apuinfo entries. */
6041 datum = bfd_get_32 (ibfd, ptr + 4);
6042 if (datum + 20 != length)
6045 /* Make sure that we do not run off the end of the section. */
6046 if (offset + length > output_section_size)
6049 /* Scan the apuinfo section, building a list of apuinfo numbers. */
6050 for (i = 0; i < datum; i += 4)
6051 apuinfo_list_add (bfd_get_32 (ibfd, ptr + 20 + i));
6053 /* Update the offset. */
6057 error_message = NULL;
6059 /* Compute the size of the output section. */
6060 num_entries = apuinfo_list_length ();
6061 output_section_size = 20 + num_entries * 4;
6063 asec = bfd_get_section_by_name (abfd, APUINFO_SECTION_NAME);
6065 if (! bfd_set_section_size (abfd, asec, output_section_size))
6067 error_message = _("warning: unable to set size of %s section in %B");
6073 (*_bfd_error_handler) (error_message, ibfd, APUINFO_SECTION_NAME);
6077 /* Prevent the output section from accumulating the input sections'
6078 contents. We have already stored this in our linked list structure. */
6081 ppc_elf_write_section (bfd *abfd ATTRIBUTE_UNUSED,
6083 bfd_byte *contents ATTRIBUTE_UNUSED)
6085 return (apuinfo_list_length ()
6086 && strcmp (asec->name, APUINFO_SECTION_NAME) == 0);
6090 /* Finally we can generate the output section. */
6093 ppc_elf_final_write_processing (bfd *abfd, bfd_boolean linker ATTRIBUTE_UNUSED)
6098 unsigned num_entries;
6099 bfd_size_type length;
6101 asec = bfd_get_section_by_name (abfd, APUINFO_SECTION_NAME);
6105 if (apuinfo_list_length () == 0)
6108 length = asec->size;
6112 buffer = bfd_malloc (length);
6115 (*_bfd_error_handler)
6116 (_("failed to allocate space for new APUinfo section."));
6120 /* Create the apuinfo header. */
6121 num_entries = apuinfo_list_length ();
6122 bfd_put_32 (abfd, sizeof APUINFO_LABEL, buffer);
6123 bfd_put_32 (abfd, num_entries * 4, buffer + 4);
6124 bfd_put_32 (abfd, 0x2, buffer + 8);
6125 strcpy ((char *) buffer + 12, APUINFO_LABEL);
6128 for (i = 0; i < num_entries; i++)
6130 bfd_put_32 (abfd, apuinfo_list_element (i), buffer + length);
6134 if (length != asec->size)
6135 (*_bfd_error_handler) (_("failed to compute new APUinfo section."));
6137 if (! bfd_set_section_contents (abfd, asec, buffer, (file_ptr) 0, length))
6138 (*_bfd_error_handler) (_("failed to install new APUinfo section."));
6142 apuinfo_list_finish ();
6145 /* Return address for Ith PLT stub in section PLT, for relocation REL
6146 or (bfd_vma) -1 if it should not be included. */
6149 ppc_elf_plt_sym_val (bfd_vma i ATTRIBUTE_UNUSED,
6150 const asection *plt ATTRIBUTE_UNUSED,
6153 return rel->address;
6156 /* Add extra PPC sections -- Note, for now, make .sbss2 and
6157 .PPC.EMB.sbss0 a normal section, and not a bss section so
6158 that the linker doesn't crater when trying to make more than
6161 static struct bfd_elf_special_section const ppc_elf_special_sections[]=
6163 { ".tags", 5, 0, SHT_ORDERED, SHF_ALLOC },
6164 { ".sdata", 6, -2, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
6165 { ".sbss", 5, -2, SHT_NOBITS, SHF_ALLOC + SHF_WRITE },
6166 { ".sdata2", 7, -2, SHT_PROGBITS, SHF_ALLOC },
6167 { ".sbss2", 6, -2, SHT_PROGBITS, SHF_ALLOC },
6168 { ".PPC.EMB.apuinfo", 16, 0, SHT_NOTE, 0 },
6169 { ".PPC.EMB.sdata0", 15, 0, SHT_PROGBITS, SHF_ALLOC },
6170 { ".PPC.EMB.sbss0", 14, 0, SHT_PROGBITS, SHF_ALLOC },
6171 { ".plt", 4, 0, SHT_NOBITS, SHF_ALLOC + SHF_EXECINSTR },
6172 { NULL, 0, 0, 0, 0 }
6175 #define TARGET_LITTLE_SYM bfd_elf32_powerpcle_vec
6176 #define TARGET_LITTLE_NAME "elf32-powerpcle"
6177 #define TARGET_BIG_SYM bfd_elf32_powerpc_vec
6178 #define TARGET_BIG_NAME "elf32-powerpc"
6179 #define ELF_ARCH bfd_arch_powerpc
6180 #define ELF_MACHINE_CODE EM_PPC
6181 #ifdef __QNXTARGET__
6182 #define ELF_MAXPAGESIZE 0x1000
6184 #define ELF_MAXPAGESIZE 0x10000
6186 #define ELF_MINPAGESIZE 0x1000
6187 #define elf_info_to_howto ppc_elf_info_to_howto
6189 #ifdef EM_CYGNUS_POWERPC
6190 #define ELF_MACHINE_ALT1 EM_CYGNUS_POWERPC
6194 #define ELF_MACHINE_ALT2 EM_PPC_OLD
6197 #define elf_backend_plt_not_loaded 1
6198 #define elf_backend_got_symbol_offset 4
6199 #define elf_backend_can_gc_sections 1
6200 #define elf_backend_can_refcount 1
6201 #define elf_backend_got_header_size 12
6202 #define elf_backend_rela_normal 1
6204 #define bfd_elf32_mkobject ppc_elf_mkobject
6205 #define bfd_elf32_bfd_merge_private_bfd_data ppc_elf_merge_private_bfd_data
6206 #define bfd_elf32_bfd_relax_section ppc_elf_relax_section
6207 #define bfd_elf32_bfd_reloc_type_lookup ppc_elf_reloc_type_lookup
6208 #define bfd_elf32_bfd_set_private_flags ppc_elf_set_private_flags
6209 #define bfd_elf32_bfd_link_hash_table_create ppc_elf_link_hash_table_create
6211 #define elf_backend_object_p ppc_elf_object_p
6212 #define elf_backend_gc_mark_hook ppc_elf_gc_mark_hook
6213 #define elf_backend_gc_sweep_hook ppc_elf_gc_sweep_hook
6214 #define elf_backend_section_from_shdr ppc_elf_section_from_shdr
6215 #define elf_backend_relocate_section ppc_elf_relocate_section
6216 #define elf_backend_create_dynamic_sections ppc_elf_create_dynamic_sections
6217 #define elf_backend_check_relocs ppc_elf_check_relocs
6218 #define elf_backend_copy_indirect_symbol ppc_elf_copy_indirect_symbol
6219 #define elf_backend_adjust_dynamic_symbol ppc_elf_adjust_dynamic_symbol
6220 #define elf_backend_add_symbol_hook ppc_elf_add_symbol_hook
6221 #define elf_backend_size_dynamic_sections ppc_elf_size_dynamic_sections
6222 #define elf_backend_finish_dynamic_symbol ppc_elf_finish_dynamic_symbol
6223 #define elf_backend_finish_dynamic_sections ppc_elf_finish_dynamic_sections
6224 #define elf_backend_fake_sections ppc_elf_fake_sections
6225 #define elf_backend_additional_program_headers ppc_elf_additional_program_headers
6226 #define elf_backend_grok_prstatus ppc_elf_grok_prstatus
6227 #define elf_backend_grok_psinfo ppc_elf_grok_psinfo
6228 #define elf_backend_reloc_type_class ppc_elf_reloc_type_class
6229 #define elf_backend_begin_write_processing ppc_elf_begin_write_processing
6230 #define elf_backend_final_write_processing ppc_elf_final_write_processing
6231 #define elf_backend_write_section ppc_elf_write_section
6232 #define elf_backend_special_sections ppc_elf_special_sections
6233 #define elf_backend_plt_sym_val ppc_elf_plt_sym_val
6235 #include "elf32-target.h"
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