1 /* IA-64 support for 64-bit ELF
2 Copyright 1998-2013 Free Software Foundation, Inc.
3 Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
5 This file is part of BFD, the Binary File Descriptor library.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
20 MA 02110-1301, USA. */
26 #include "opcode/ia64.h"
30 #include "bfd_stdint.h"
31 #include "elfxx-ia64.h"
36 #define LOG_SECTION_ALIGN 3
40 #define LOG_SECTION_ALIGN 2
43 typedef struct bfd_hash_entry *(*new_hash_entry_func)
44 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
46 /* In dynamically (linker-) created sections, we generally need to keep track
47 of the place a symbol or expression got allocated to. This is done via hash
48 tables that store entries of the following type. */
50 struct elfNN_ia64_dyn_sym_info
52 /* The addend for which this entry is relevant. */
57 bfd_vma pltoff_offset;
61 bfd_vma dtpmod_offset;
62 bfd_vma dtprel_offset;
64 /* The symbol table entry, if any, that this was derived from. */
65 struct elf_link_hash_entry *h;
67 /* Used to count non-got, non-plt relocations for delayed sizing
68 of relocation sections. */
69 struct elfNN_ia64_dyn_reloc_entry
71 struct elfNN_ia64_dyn_reloc_entry *next;
76 /* Is this reloc against readonly section? */
80 /* TRUE when the section contents have been updated. */
81 unsigned got_done : 1;
82 unsigned fptr_done : 1;
83 unsigned pltoff_done : 1;
84 unsigned tprel_done : 1;
85 unsigned dtpmod_done : 1;
86 unsigned dtprel_done : 1;
88 /* TRUE for the different kinds of linker data we want created. */
89 unsigned want_got : 1;
90 unsigned want_gotx : 1;
91 unsigned want_fptr : 1;
92 unsigned want_ltoff_fptr : 1;
93 unsigned want_plt : 1;
94 unsigned want_plt2 : 1;
95 unsigned want_pltoff : 1;
96 unsigned want_tprel : 1;
97 unsigned want_dtpmod : 1;
98 unsigned want_dtprel : 1;
101 struct elfNN_ia64_local_hash_entry
105 /* The number of elements in elfNN_ia64_dyn_sym_info array. */
107 /* The number of sorted elements in elfNN_ia64_dyn_sym_info array. */
108 unsigned int sorted_count;
109 /* The size of elfNN_ia64_dyn_sym_info array. */
111 /* The array of elfNN_ia64_dyn_sym_info. */
112 struct elfNN_ia64_dyn_sym_info *info;
114 /* TRUE if this hash entry's addends was translated for
115 SHF_MERGE optimization. */
116 unsigned sec_merge_done : 1;
119 struct elfNN_ia64_link_hash_entry
121 struct elf_link_hash_entry root;
122 /* The number of elements in elfNN_ia64_dyn_sym_info array. */
124 /* The number of sorted elements in elfNN_ia64_dyn_sym_info array. */
125 unsigned int sorted_count;
126 /* The size of elfNN_ia64_dyn_sym_info array. */
128 /* The array of elfNN_ia64_dyn_sym_info. */
129 struct elfNN_ia64_dyn_sym_info *info;
132 struct elfNN_ia64_link_hash_table
134 /* The main hash table. */
135 struct elf_link_hash_table root;
137 asection *fptr_sec; /* Function descriptor table (or NULL). */
138 asection *rel_fptr_sec; /* Dynamic relocation section for same. */
139 asection *pltoff_sec; /* Private descriptors for plt (or NULL). */
140 asection *rel_pltoff_sec; /* Dynamic relocation section for same. */
142 bfd_size_type minplt_entries; /* Number of minplt entries. */
143 unsigned reltext : 1; /* Are there relocs against readonly sections? */
144 unsigned self_dtpmod_done : 1;/* Has self DTPMOD entry been finished? */
145 bfd_vma self_dtpmod_offset; /* .got offset to self DTPMOD entry. */
146 /* There are maybe R_IA64_GPREL22 relocations, including those
147 optimized from R_IA64_LTOFF22X, against non-SHF_IA_64_SHORT
148 sections. We need to record those sections so that we can choose
149 a proper GP to cover all R_IA64_GPREL22 relocations. */
150 asection *max_short_sec; /* Maximum short output section. */
151 bfd_vma max_short_offset; /* Maximum short offset. */
152 asection *min_short_sec; /* Minimum short output section. */
153 bfd_vma min_short_offset; /* Minimum short offset. */
155 htab_t loc_hash_table;
156 void *loc_hash_memory;
159 struct elfNN_ia64_allocate_data
161 struct bfd_link_info *info;
163 bfd_boolean only_got;
166 #define elfNN_ia64_hash_table(p) \
167 (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
168 == IA64_ELF_DATA ? ((struct elfNN_ia64_link_hash_table *) ((p)->hash)) : NULL)
170 static struct elfNN_ia64_dyn_sym_info * get_dyn_sym_info
171 (struct elfNN_ia64_link_hash_table *ia64_info,
172 struct elf_link_hash_entry *h,
173 bfd *abfd, const Elf_Internal_Rela *rel, bfd_boolean create);
174 static bfd_boolean elfNN_ia64_dynamic_symbol_p
175 (struct elf_link_hash_entry *h, struct bfd_link_info *info, int);
176 static bfd_boolean elfNN_ia64_choose_gp
177 (bfd *abfd, struct bfd_link_info *info, bfd_boolean final);
178 static void elfNN_ia64_dyn_sym_traverse
179 (struct elfNN_ia64_link_hash_table *ia64_info,
180 bfd_boolean (*func) (struct elfNN_ia64_dyn_sym_info *, void *),
182 static bfd_boolean allocate_global_data_got
183 (struct elfNN_ia64_dyn_sym_info *dyn_i, void * data);
184 static bfd_boolean allocate_global_fptr_got
185 (struct elfNN_ia64_dyn_sym_info *dyn_i, void * data);
186 static bfd_boolean allocate_local_got
187 (struct elfNN_ia64_dyn_sym_info *dyn_i, void * data);
188 static bfd_boolean elfNN_ia64_hpux_vec
189 (const bfd_target *vec);
190 static bfd_boolean allocate_dynrel_entries
191 (struct elfNN_ia64_dyn_sym_info *dyn_i, void * data);
192 static asection *get_pltoff
193 (bfd *abfd, struct bfd_link_info *info,
194 struct elfNN_ia64_link_hash_table *ia64_info);
196 /* ia64-specific relocation. */
198 /* Given a ELF reloc, return the matching HOWTO structure. */
201 elfNN_ia64_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
203 Elf_Internal_Rela *elf_reloc)
206 = ia64_elf_lookup_howto ((unsigned int) ELFNN_R_TYPE (elf_reloc->r_info));
209 #define PLT_HEADER_SIZE (3 * 16)
210 #define PLT_MIN_ENTRY_SIZE (1 * 16)
211 #define PLT_FULL_ENTRY_SIZE (2 * 16)
212 #define PLT_RESERVED_WORDS 3
214 static const bfd_byte plt_header[PLT_HEADER_SIZE] =
216 0x0b, 0x10, 0x00, 0x1c, 0x00, 0x21, /* [MMI] mov r2=r14;; */
217 0xe0, 0x00, 0x08, 0x00, 0x48, 0x00, /* addl r14=0,r2 */
218 0x00, 0x00, 0x04, 0x00, /* nop.i 0x0;; */
219 0x0b, 0x80, 0x20, 0x1c, 0x18, 0x14, /* [MMI] ld8 r16=[r14],8;; */
220 0x10, 0x41, 0x38, 0x30, 0x28, 0x00, /* ld8 r17=[r14],8 */
221 0x00, 0x00, 0x04, 0x00, /* nop.i 0x0;; */
222 0x11, 0x08, 0x00, 0x1c, 0x18, 0x10, /* [MIB] ld8 r1=[r14] */
223 0x60, 0x88, 0x04, 0x80, 0x03, 0x00, /* mov b6=r17 */
224 0x60, 0x00, 0x80, 0x00 /* br.few b6;; */
227 static const bfd_byte plt_min_entry[PLT_MIN_ENTRY_SIZE] =
229 0x11, 0x78, 0x00, 0x00, 0x00, 0x24, /* [MIB] mov r15=0 */
230 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, /* nop.i 0x0 */
231 0x00, 0x00, 0x00, 0x40 /* br.few 0 <PLT0>;; */
234 static const bfd_byte plt_full_entry[PLT_FULL_ENTRY_SIZE] =
236 0x0b, 0x78, 0x00, 0x02, 0x00, 0x24, /* [MMI] addl r15=0,r1;; */
237 0x00, 0x41, 0x3c, 0x70, 0x29, 0xc0, /* ld8.acq r16=[r15],8*/
238 0x01, 0x08, 0x00, 0x84, /* mov r14=r1;; */
239 0x11, 0x08, 0x00, 0x1e, 0x18, 0x10, /* [MIB] ld8 r1=[r15] */
240 0x60, 0x80, 0x04, 0x80, 0x03, 0x00, /* mov b6=r16 */
241 0x60, 0x00, 0x80, 0x00 /* br.few b6;; */
244 #define ELF_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
246 static const bfd_byte oor_brl[16] =
248 0x05, 0x00, 0x00, 0x00, 0x01, 0x00, /* [MLX] nop.m 0 */
249 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* brl.sptk.few tgt;; */
250 0x00, 0x00, 0x00, 0xc0
253 static const bfd_byte oor_ip[48] =
255 0x04, 0x00, 0x00, 0x00, 0x01, 0x00, /* [MLX] nop.m 0 */
256 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, /* movl r15=0 */
257 0x01, 0x00, 0x00, 0x60,
258 0x03, 0x00, 0x00, 0x00, 0x01, 0x00, /* [MII] nop.m 0 */
259 0x00, 0x01, 0x00, 0x60, 0x00, 0x00, /* mov r16=ip;; */
260 0xf2, 0x80, 0x00, 0x80, /* add r16=r15,r16;; */
261 0x11, 0x00, 0x00, 0x00, 0x01, 0x00, /* [MIB] nop.m 0 */
262 0x60, 0x80, 0x04, 0x80, 0x03, 0x00, /* mov b6=r16 */
263 0x60, 0x00, 0x80, 0x00 /* br b6;; */
266 static size_t oor_branch_size = sizeof (oor_brl);
269 bfd_elfNN_ia64_after_parse (int itanium)
271 oor_branch_size = itanium ? sizeof (oor_ip) : sizeof (oor_brl);
275 /* Rename some of the generic section flags to better document how they
277 #define skip_relax_pass_0 sec_flg0
278 #define skip_relax_pass_1 sec_flg1
280 /* These functions do relaxation for IA-64 ELF. */
283 elfNN_ia64_update_short_info (asection *sec, bfd_vma offset,
284 struct elfNN_ia64_link_hash_table *ia64_info)
286 /* Skip ABS and SHF_IA_64_SHORT sections. */
287 if (sec == bfd_abs_section_ptr
288 || (sec->flags & SEC_SMALL_DATA) != 0)
291 if (!ia64_info->min_short_sec)
293 ia64_info->max_short_sec = sec;
294 ia64_info->max_short_offset = offset;
295 ia64_info->min_short_sec = sec;
296 ia64_info->min_short_offset = offset;
298 else if (sec == ia64_info->max_short_sec
299 && offset > ia64_info->max_short_offset)
300 ia64_info->max_short_offset = offset;
301 else if (sec == ia64_info->min_short_sec
302 && offset < ia64_info->min_short_offset)
303 ia64_info->min_short_offset = offset;
304 else if (sec->output_section->vma
305 > ia64_info->max_short_sec->vma)
307 ia64_info->max_short_sec = sec;
308 ia64_info->max_short_offset = offset;
310 else if (sec->output_section->vma
311 < ia64_info->min_short_sec->vma)
313 ia64_info->min_short_sec = sec;
314 ia64_info->min_short_offset = offset;
319 elfNN_ia64_relax_section (bfd *abfd, asection *sec,
320 struct bfd_link_info *link_info,
325 struct one_fixup *next;
331 Elf_Internal_Shdr *symtab_hdr;
332 Elf_Internal_Rela *internal_relocs;
333 Elf_Internal_Rela *irel, *irelend;
335 Elf_Internal_Sym *isymbuf = NULL;
336 struct elfNN_ia64_link_hash_table *ia64_info;
337 struct one_fixup *fixups = NULL;
338 bfd_boolean changed_contents = FALSE;
339 bfd_boolean changed_relocs = FALSE;
340 bfd_boolean changed_got = FALSE;
341 bfd_boolean skip_relax_pass_0 = TRUE;
342 bfd_boolean skip_relax_pass_1 = TRUE;
345 /* Assume we're not going to change any sizes, and we'll only need
349 if (link_info->relocatable)
350 (*link_info->callbacks->einfo)
351 (_("%P%F: --relax and -r may not be used together\n"));
353 /* Don't even try to relax for non-ELF outputs. */
354 if (!is_elf_hash_table (link_info->hash))
357 /* Nothing to do if there are no relocations or there is no need for
359 if ((sec->flags & SEC_RELOC) == 0
360 || sec->reloc_count == 0
361 || (link_info->relax_pass == 0 && sec->skip_relax_pass_0)
362 || (link_info->relax_pass == 1 && sec->skip_relax_pass_1))
365 ia64_info = elfNN_ia64_hash_table (link_info);
366 if (ia64_info == NULL)
369 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
371 /* Load the relocations for this section. */
372 internal_relocs = (_bfd_elf_link_read_relocs
373 (abfd, sec, NULL, (Elf_Internal_Rela *) NULL,
374 link_info->keep_memory));
375 if (internal_relocs == NULL)
378 irelend = internal_relocs + sec->reloc_count;
380 /* Get the section contents. */
381 if (elf_section_data (sec)->this_hdr.contents != NULL)
382 contents = elf_section_data (sec)->this_hdr.contents;
385 if (!bfd_malloc_and_get_section (abfd, sec, &contents))
389 for (irel = internal_relocs; irel < irelend; irel++)
391 unsigned long r_type = ELFNN_R_TYPE (irel->r_info);
392 bfd_vma symaddr, reladdr, trampoff, toff, roff;
396 bfd_boolean is_branch;
397 struct elfNN_ia64_dyn_sym_info *dyn_i;
402 case R_IA64_PCREL21B:
403 case R_IA64_PCREL21BI:
404 case R_IA64_PCREL21M:
405 case R_IA64_PCREL21F:
406 /* In pass 1, all br relaxations are done. We can skip it. */
407 if (link_info->relax_pass == 1)
409 skip_relax_pass_0 = FALSE;
413 case R_IA64_PCREL60B:
414 /* We can't optimize brl to br in pass 0 since br relaxations
415 will increase the code size. Defer it to pass 1. */
416 if (link_info->relax_pass == 0)
418 skip_relax_pass_1 = FALSE;
425 /* Update max_short_sec/min_short_sec. */
427 case R_IA64_LTOFF22X:
429 /* We can't relax ldx/mov in pass 0 since br relaxations will
430 increase the code size. Defer it to pass 1. */
431 if (link_info->relax_pass == 0)
433 skip_relax_pass_1 = FALSE;
443 /* Get the value of the symbol referred to by the reloc. */
444 if (ELFNN_R_SYM (irel->r_info) < symtab_hdr->sh_info)
446 /* A local symbol. */
447 Elf_Internal_Sym *isym;
449 /* Read this BFD's local symbols. */
452 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
454 isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
455 symtab_hdr->sh_info, 0,
461 isym = isymbuf + ELFNN_R_SYM (irel->r_info);
462 if (isym->st_shndx == SHN_UNDEF)
463 continue; /* We can't do anything with undefined symbols. */
464 else if (isym->st_shndx == SHN_ABS)
465 tsec = bfd_abs_section_ptr;
466 else if (isym->st_shndx == SHN_COMMON)
467 tsec = bfd_com_section_ptr;
468 else if (isym->st_shndx == SHN_IA_64_ANSI_COMMON)
469 tsec = bfd_com_section_ptr;
471 tsec = bfd_section_from_elf_index (abfd, isym->st_shndx);
473 toff = isym->st_value;
474 dyn_i = get_dyn_sym_info (ia64_info, NULL, abfd, irel, FALSE);
475 symtype = ELF_ST_TYPE (isym->st_info);
480 struct elf_link_hash_entry *h;
482 indx = ELFNN_R_SYM (irel->r_info) - symtab_hdr->sh_info;
483 h = elf_sym_hashes (abfd)[indx];
484 BFD_ASSERT (h != NULL);
486 while (h->root.type == bfd_link_hash_indirect
487 || h->root.type == bfd_link_hash_warning)
488 h = (struct elf_link_hash_entry *) h->root.u.i.link;
490 dyn_i = get_dyn_sym_info (ia64_info, h, abfd, irel, FALSE);
492 /* For branches to dynamic symbols, we're interested instead
493 in a branch to the PLT entry. */
494 if (is_branch && dyn_i && dyn_i->want_plt2)
496 /* Internal branches shouldn't be sent to the PLT.
497 Leave this for now and we'll give an error later. */
498 if (r_type != R_IA64_PCREL21B)
501 tsec = ia64_info->root.splt;
502 toff = dyn_i->plt2_offset;
503 BFD_ASSERT (irel->r_addend == 0);
506 /* Can't do anything else with dynamic symbols. */
507 else if (elfNN_ia64_dynamic_symbol_p (h, link_info, r_type))
512 /* We can't do anything with undefined symbols. */
513 if (h->root.type == bfd_link_hash_undefined
514 || h->root.type == bfd_link_hash_undefweak)
517 tsec = h->root.u.def.section;
518 toff = h->root.u.def.value;
524 if (tsec->sec_info_type == SEC_INFO_TYPE_MERGE)
526 /* At this stage in linking, no SEC_MERGE symbol has been
527 adjusted, so all references to such symbols need to be
528 passed through _bfd_merged_section_offset. (Later, in
529 relocate_section, all SEC_MERGE symbols *except* for
530 section symbols have been adjusted.)
532 gas may reduce relocations against symbols in SEC_MERGE
533 sections to a relocation against the section symbol when
534 the original addend was zero. When the reloc is against
535 a section symbol we should include the addend in the
536 offset passed to _bfd_merged_section_offset, since the
537 location of interest is the original symbol. On the
538 other hand, an access to "sym+addend" where "sym" is not
539 a section symbol should not include the addend; Such an
540 access is presumed to be an offset from "sym"; The
541 location of interest is just "sym". */
542 if (symtype == STT_SECTION)
543 toff += irel->r_addend;
545 toff = _bfd_merged_section_offset (abfd, &tsec,
546 elf_section_data (tsec)->sec_info,
549 if (symtype != STT_SECTION)
550 toff += irel->r_addend;
553 toff += irel->r_addend;
555 symaddr = tsec->output_section->vma + tsec->output_offset + toff;
557 roff = irel->r_offset;
561 bfd_signed_vma offset;
563 reladdr = (sec->output_section->vma
565 + roff) & (bfd_vma) -4;
567 /* The .plt section is aligned at 32byte and the .text section
568 is aligned at 64byte. The .text section is right after the
569 .plt section. After the first relaxation pass, linker may
570 increase the gap between the .plt and .text sections up
571 to 32byte. We assume linker will always insert 32byte
572 between the .plt and .text sections after the first
574 if (tsec == ia64_info->root.splt)
575 offset = -0x1000000 + 32;
579 /* If the branch is in range, no need to do anything. */
580 if ((bfd_signed_vma) (symaddr - reladdr) >= offset
581 && (bfd_signed_vma) (symaddr - reladdr) <= 0x0FFFFF0)
583 /* If the 60-bit branch is in 21-bit range, optimize it. */
584 if (r_type == R_IA64_PCREL60B)
586 ia64_elf_relax_brl (contents, roff);
589 = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info),
592 /* If the original relocation offset points to slot
593 1, change it to slot 2. */
594 if ((irel->r_offset & 3) == 1)
600 else if (r_type == R_IA64_PCREL60B)
602 else if (ia64_elf_relax_br (contents, roff))
605 = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info),
608 /* Make the relocation offset point to slot 1. */
609 irel->r_offset = (irel->r_offset & ~((bfd_vma) 0x3)) + 1;
613 /* We can't put a trampoline in a .init/.fini section. Issue
615 if (strcmp (sec->output_section->name, ".init") == 0
616 || strcmp (sec->output_section->name, ".fini") == 0)
618 (*_bfd_error_handler)
619 (_("%B: Can't relax br at 0x%lx in section `%A'. Please use brl or indirect branch."),
620 sec->owner, sec, (unsigned long) roff);
621 bfd_set_error (bfd_error_bad_value);
625 /* If the branch and target are in the same section, you've
626 got one honking big section and we can't help you unless
627 you are branching backwards. You'll get an error message
629 if (tsec == sec && toff > roff)
632 /* Look for an existing fixup to this address. */
633 for (f = fixups; f ; f = f->next)
634 if (f->tsec == tsec && f->toff == toff)
639 /* Two alternatives: If it's a branch to a PLT entry, we can
640 make a copy of the FULL_PLT entry. Otherwise, we'll have
641 to use a `brl' insn to get where we're going. */
645 if (tsec == ia64_info->root.splt)
646 size = sizeof (plt_full_entry);
648 size = oor_branch_size;
650 /* Resize the current section to make room for the new branch. */
651 trampoff = (sec->size + 15) & (bfd_vma) -16;
653 /* If trampoline is out of range, there is nothing we
655 offset = trampoff - (roff & (bfd_vma) -4);
656 if (offset < -0x1000000 || offset > 0x0FFFFF0)
659 amt = trampoff + size;
660 contents = (bfd_byte *) bfd_realloc (contents, amt);
661 if (contents == NULL)
665 if (tsec == ia64_info->root.splt)
667 memcpy (contents + trampoff, plt_full_entry, size);
669 /* Hijack the old relocation for use as the PLTOFF reloc. */
670 irel->r_info = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info),
672 irel->r_offset = trampoff;
676 if (size == sizeof (oor_ip))
678 memcpy (contents + trampoff, oor_ip, size);
679 irel->r_info = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info),
681 irel->r_addend -= 16;
682 irel->r_offset = trampoff + 2;
686 memcpy (contents + trampoff, oor_brl, size);
687 irel->r_info = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info),
689 irel->r_offset = trampoff + 2;
694 /* Record the fixup so we don't do it again this section. */
695 f = (struct one_fixup *)
696 bfd_malloc ((bfd_size_type) sizeof (*f));
700 f->trampoff = trampoff;
705 /* If trampoline is out of range, there is nothing we
707 offset = f->trampoff - (roff & (bfd_vma) -4);
708 if (offset < -0x1000000 || offset > 0x0FFFFF0)
711 /* Nop out the reloc, since we're finalizing things here. */
712 irel->r_info = ELFNN_R_INFO (0, R_IA64_NONE);
715 /* Fix up the existing branch to hit the trampoline. */
716 if (ia64_elf_install_value (contents + roff, offset, r_type)
720 changed_contents = TRUE;
721 changed_relocs = TRUE;
728 bfd *obfd = sec->output_section->owner;
729 gp = _bfd_get_gp_value (obfd);
732 if (!elfNN_ia64_choose_gp (obfd, link_info, FALSE))
734 gp = _bfd_get_gp_value (obfd);
738 /* If the data is out of range, do nothing. */
739 if ((bfd_signed_vma) (symaddr - gp) >= 0x200000
740 ||(bfd_signed_vma) (symaddr - gp) < -0x200000)
743 if (r_type == R_IA64_GPREL22)
744 elfNN_ia64_update_short_info (tsec->output_section,
745 tsec->output_offset + toff,
747 else if (r_type == R_IA64_LTOFF22X)
749 irel->r_info = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info),
751 changed_relocs = TRUE;
752 if (dyn_i->want_gotx)
754 dyn_i->want_gotx = 0;
755 changed_got |= !dyn_i->want_got;
758 elfNN_ia64_update_short_info (tsec->output_section,
759 tsec->output_offset + toff,
764 ia64_elf_relax_ldxmov (contents, roff);
765 irel->r_info = ELFNN_R_INFO (0, R_IA64_NONE);
766 changed_contents = TRUE;
767 changed_relocs = TRUE;
772 /* ??? If we created fixups, this may push the code segment large
773 enough that the data segment moves, which will change the GP.
774 Reset the GP so that we re-calculate next round. We need to
775 do this at the _beginning_ of the next round; now will not do. */
777 /* Clean up and go home. */
780 struct one_fixup *f = fixups;
781 fixups = fixups->next;
786 && symtab_hdr->contents != (unsigned char *) isymbuf)
788 if (! link_info->keep_memory)
792 /* Cache the symbols for elf_link_input_bfd. */
793 symtab_hdr->contents = (unsigned char *) isymbuf;
798 && elf_section_data (sec)->this_hdr.contents != contents)
800 if (!changed_contents && !link_info->keep_memory)
804 /* Cache the section contents for elf_link_input_bfd. */
805 elf_section_data (sec)->this_hdr.contents = contents;
809 if (elf_section_data (sec)->relocs != internal_relocs)
812 free (internal_relocs);
814 elf_section_data (sec)->relocs = internal_relocs;
819 struct elfNN_ia64_allocate_data data;
820 data.info = link_info;
822 ia64_info->self_dtpmod_offset = (bfd_vma) -1;
824 elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_global_data_got, &data);
825 elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_global_fptr_got, &data);
826 elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_local_got, &data);
827 ia64_info->root.sgot->size = data.ofs;
829 if (ia64_info->root.dynamic_sections_created
830 && ia64_info->root.srelgot != NULL)
832 /* Resize .rela.got. */
833 ia64_info->root.srelgot->size = 0;
834 if (link_info->shared
835 && ia64_info->self_dtpmod_offset != (bfd_vma) -1)
836 ia64_info->root.srelgot->size += sizeof (ElfNN_External_Rela);
837 data.only_got = TRUE;
838 elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_dynrel_entries,
843 if (link_info->relax_pass == 0)
845 /* Pass 0 is only needed to relax br. */
846 sec->skip_relax_pass_0 = skip_relax_pass_0;
847 sec->skip_relax_pass_1 = skip_relax_pass_1;
850 *again = changed_contents || changed_relocs;
854 if (isymbuf != NULL && (unsigned char *) isymbuf != symtab_hdr->contents)
857 && elf_section_data (sec)->this_hdr.contents != contents)
859 if (internal_relocs != NULL
860 && elf_section_data (sec)->relocs != internal_relocs)
861 free (internal_relocs);
864 #undef skip_relax_pass_0
865 #undef skip_relax_pass_1
867 /* Return TRUE if NAME is an unwind table section name. */
869 static inline bfd_boolean
870 is_unwind_section_name (bfd *abfd, const char *name)
872 if (elfNN_ia64_hpux_vec (abfd->xvec)
873 && !strcmp (name, ELF_STRING_ia64_unwind_hdr))
876 return ((CONST_STRNEQ (name, ELF_STRING_ia64_unwind)
877 && ! CONST_STRNEQ (name, ELF_STRING_ia64_unwind_info))
878 || CONST_STRNEQ (name, ELF_STRING_ia64_unwind_once));
881 /* Handle an IA-64 specific section when reading an object file. This
882 is called when bfd_section_from_shdr finds a section with an unknown
886 elfNN_ia64_section_from_shdr (bfd *abfd,
887 Elf_Internal_Shdr *hdr,
891 /* There ought to be a place to keep ELF backend specific flags, but
892 at the moment there isn't one. We just keep track of the
893 sections by their name, instead. Fortunately, the ABI gives
894 suggested names for all the MIPS specific sections, so we will
895 probably get away with this. */
896 switch (hdr->sh_type)
898 case SHT_IA_64_UNWIND:
899 case SHT_IA_64_HP_OPT_ANOT:
903 if (strcmp (name, ELF_STRING_ia64_archext) != 0)
911 if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex))
917 /* Convert IA-64 specific section flags to bfd internal section flags. */
919 /* ??? There is no bfd internal flag equivalent to the SHF_IA_64_NORECOV
923 elfNN_ia64_section_flags (flagword *flags,
924 const Elf_Internal_Shdr *hdr)
926 if (hdr->sh_flags & SHF_IA_64_SHORT)
927 *flags |= SEC_SMALL_DATA;
932 /* Set the correct type for an IA-64 ELF section. We do this by the
933 section name, which is a hack, but ought to work. */
936 elfNN_ia64_fake_sections (bfd *abfd, Elf_Internal_Shdr *hdr,
941 name = bfd_get_section_name (abfd, sec);
943 if (is_unwind_section_name (abfd, name))
945 /* We don't have the sections numbered at this point, so sh_info
946 is set later, in elfNN_ia64_final_write_processing. */
947 hdr->sh_type = SHT_IA_64_UNWIND;
948 hdr->sh_flags |= SHF_LINK_ORDER;
950 else if (strcmp (name, ELF_STRING_ia64_archext) == 0)
951 hdr->sh_type = SHT_IA_64_EXT;
952 else if (strcmp (name, ".HP.opt_annot") == 0)
953 hdr->sh_type = SHT_IA_64_HP_OPT_ANOT;
954 else if (strcmp (name, ".reloc") == 0)
955 /* This is an ugly, but unfortunately necessary hack that is
956 needed when producing EFI binaries on IA-64. It tells
957 elf.c:elf_fake_sections() not to consider ".reloc" as a section
958 containing ELF relocation info. We need this hack in order to
959 be able to generate ELF binaries that can be translated into
960 EFI applications (which are essentially COFF objects). Those
961 files contain a COFF ".reloc" section inside an ELFNN object,
962 which would normally cause BFD to segfault because it would
963 attempt to interpret this section as containing relocation
964 entries for section "oc". With this hack enabled, ".reloc"
965 will be treated as a normal data section, which will avoid the
966 segfault. However, you won't be able to create an ELFNN binary
967 with a section named "oc" that needs relocations, but that's
968 the kind of ugly side-effects you get when detecting section
969 types based on their names... In practice, this limitation is
971 hdr->sh_type = SHT_PROGBITS;
973 if (sec->flags & SEC_SMALL_DATA)
974 hdr->sh_flags |= SHF_IA_64_SHORT;
976 /* Some HP linkers look for the SHF_IA_64_HP_TLS flag instead of SHF_TLS. */
978 if (elfNN_ia64_hpux_vec (abfd->xvec) && (sec->flags & SHF_TLS))
979 hdr->sh_flags |= SHF_IA_64_HP_TLS;
984 /* The final processing done just before writing out an IA-64 ELF
988 elfNN_ia64_final_write_processing (bfd *abfd,
989 bfd_boolean linker ATTRIBUTE_UNUSED)
991 Elf_Internal_Shdr *hdr;
994 for (s = abfd->sections; s; s = s->next)
996 hdr = &elf_section_data (s)->this_hdr;
997 switch (hdr->sh_type)
999 case SHT_IA_64_UNWIND:
1000 /* The IA-64 processor-specific ABI requires setting sh_link
1001 to the unwind section, whereas HP-UX requires sh_info to
1002 do so. For maximum compatibility, we'll set both for
1004 hdr->sh_info = hdr->sh_link;
1009 if (! elf_flags_init (abfd))
1011 unsigned long flags = 0;
1013 if (abfd->xvec->byteorder == BFD_ENDIAN_BIG)
1014 flags |= EF_IA_64_BE;
1015 if (bfd_get_mach (abfd) == bfd_mach_ia64_elf64)
1016 flags |= EF_IA_64_ABI64;
1018 elf_elfheader(abfd)->e_flags = flags;
1019 elf_flags_init (abfd) = TRUE;
1023 /* Hook called by the linker routine which adds symbols from an object
1024 file. We use it to put .comm items in .sbss, and not .bss. */
1027 elfNN_ia64_add_symbol_hook (bfd *abfd,
1028 struct bfd_link_info *info,
1029 Elf_Internal_Sym *sym,
1030 const char **namep ATTRIBUTE_UNUSED,
1031 flagword *flagsp ATTRIBUTE_UNUSED,
1035 if (sym->st_shndx == SHN_COMMON
1036 && !info->relocatable
1037 && sym->st_size <= elf_gp_size (abfd))
1039 /* Common symbols less than or equal to -G nn bytes are
1040 automatically put into .sbss. */
1042 asection *scomm = bfd_get_section_by_name (abfd, ".scommon");
1046 scomm = bfd_make_section_with_flags (abfd, ".scommon",
1049 | SEC_LINKER_CREATED));
1055 *valp = sym->st_size;
1061 /* Return the number of additional phdrs we will need. */
1064 elfNN_ia64_additional_program_headers (bfd *abfd,
1065 struct bfd_link_info *info ATTRIBUTE_UNUSED)
1070 /* See if we need a PT_IA_64_ARCHEXT segment. */
1071 s = bfd_get_section_by_name (abfd, ELF_STRING_ia64_archext);
1072 if (s && (s->flags & SEC_LOAD))
1075 /* Count how many PT_IA_64_UNWIND segments we need. */
1076 for (s = abfd->sections; s; s = s->next)
1077 if (is_unwind_section_name (abfd, s->name) && (s->flags & SEC_LOAD))
1084 elfNN_ia64_modify_segment_map (bfd *abfd,
1085 struct bfd_link_info *info ATTRIBUTE_UNUSED)
1087 struct elf_segment_map *m, **pm;
1088 Elf_Internal_Shdr *hdr;
1091 /* If we need a PT_IA_64_ARCHEXT segment, it must come before
1092 all PT_LOAD segments. */
1093 s = bfd_get_section_by_name (abfd, ELF_STRING_ia64_archext);
1094 if (s && (s->flags & SEC_LOAD))
1096 for (m = elf_seg_map (abfd); m != NULL; m = m->next)
1097 if (m->p_type == PT_IA_64_ARCHEXT)
1101 m = ((struct elf_segment_map *)
1102 bfd_zalloc (abfd, (bfd_size_type) sizeof *m));
1106 m->p_type = PT_IA_64_ARCHEXT;
1110 /* We want to put it after the PHDR and INTERP segments. */
1111 pm = &elf_seg_map (abfd);
1113 && ((*pm)->p_type == PT_PHDR
1114 || (*pm)->p_type == PT_INTERP))
1122 /* Install PT_IA_64_UNWIND segments, if needed. */
1123 for (s = abfd->sections; s; s = s->next)
1125 hdr = &elf_section_data (s)->this_hdr;
1126 if (hdr->sh_type != SHT_IA_64_UNWIND)
1129 if (s && (s->flags & SEC_LOAD))
1131 for (m = elf_seg_map (abfd); m != NULL; m = m->next)
1132 if (m->p_type == PT_IA_64_UNWIND)
1136 /* Look through all sections in the unwind segment
1137 for a match since there may be multiple sections
1139 for (i = m->count - 1; i >= 0; --i)
1140 if (m->sections[i] == s)
1149 m = ((struct elf_segment_map *)
1150 bfd_zalloc (abfd, (bfd_size_type) sizeof *m));
1154 m->p_type = PT_IA_64_UNWIND;
1159 /* We want to put it last. */
1160 pm = &elf_seg_map (abfd);
1171 /* Turn on PF_IA_64_NORECOV if needed. This involves traversing all of
1172 the input sections for each output section in the segment and testing
1173 for SHF_IA_64_NORECOV on each. */
1176 elfNN_ia64_modify_program_headers (bfd *abfd,
1177 struct bfd_link_info *info ATTRIBUTE_UNUSED)
1179 struct elf_obj_tdata *tdata = elf_tdata (abfd);
1180 struct elf_segment_map *m;
1181 Elf_Internal_Phdr *p;
1183 for (p = tdata->phdr, m = elf_seg_map (abfd); m != NULL; m = m->next, p++)
1184 if (m->p_type == PT_LOAD)
1187 for (i = m->count - 1; i >= 0; --i)
1189 struct bfd_link_order *order = m->sections[i]->map_head.link_order;
1191 while (order != NULL)
1193 if (order->type == bfd_indirect_link_order)
1195 asection *is = order->u.indirect.section;
1196 bfd_vma flags = elf_section_data(is)->this_hdr.sh_flags;
1197 if (flags & SHF_IA_64_NORECOV)
1199 p->p_flags |= PF_IA_64_NORECOV;
1203 order = order->next;
1212 /* According to the Tahoe assembler spec, all labels starting with a
1216 elfNN_ia64_is_local_label_name (bfd *abfd ATTRIBUTE_UNUSED,
1219 return name[0] == '.';
1222 /* Should we do dynamic things to this symbol? */
1225 elfNN_ia64_dynamic_symbol_p (struct elf_link_hash_entry *h,
1226 struct bfd_link_info *info, int r_type)
1228 bfd_boolean ignore_protected
1229 = ((r_type & 0xf8) == 0x40 /* FPTR relocs */
1230 || (r_type & 0xf8) == 0x50); /* LTOFF_FPTR relocs */
1232 return _bfd_elf_dynamic_symbol_p (h, info, ignore_protected);
1235 static struct bfd_hash_entry*
1236 elfNN_ia64_new_elf_hash_entry (struct bfd_hash_entry *entry,
1237 struct bfd_hash_table *table,
1240 struct elfNN_ia64_link_hash_entry *ret;
1241 ret = (struct elfNN_ia64_link_hash_entry *) entry;
1243 /* Allocate the structure if it has not already been allocated by a
1246 ret = bfd_hash_allocate (table, sizeof (*ret));
1251 /* Call the allocation method of the superclass. */
1252 ret = ((struct elfNN_ia64_link_hash_entry *)
1253 _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
1258 ret->sorted_count = 0;
1260 return (struct bfd_hash_entry *) ret;
1264 elfNN_ia64_hash_copy_indirect (struct bfd_link_info *info,
1265 struct elf_link_hash_entry *xdir,
1266 struct elf_link_hash_entry *xind)
1268 struct elfNN_ia64_link_hash_entry *dir, *ind;
1270 dir = (struct elfNN_ia64_link_hash_entry *) xdir;
1271 ind = (struct elfNN_ia64_link_hash_entry *) xind;
1273 /* Copy down any references that we may have already seen to the
1274 symbol which just became indirect. */
1276 dir->root.ref_dynamic |= ind->root.ref_dynamic;
1277 dir->root.ref_regular |= ind->root.ref_regular;
1278 dir->root.ref_regular_nonweak |= ind->root.ref_regular_nonweak;
1279 dir->root.needs_plt |= ind->root.needs_plt;
1281 if (ind->root.root.type != bfd_link_hash_indirect)
1284 /* Copy over the got and plt data. This would have been done
1287 if (ind->info != NULL)
1289 struct elfNN_ia64_dyn_sym_info *dyn_i;
1295 dir->info = ind->info;
1296 dir->count = ind->count;
1297 dir->sorted_count = ind->sorted_count;
1298 dir->size = ind->size;
1302 ind->sorted_count = 0;
1305 /* Fix up the dyn_sym_info pointers to the global symbol. */
1306 for (count = dir->count, dyn_i = dir->info;
1309 dyn_i->h = &dir->root;
1312 /* Copy over the dynindx. */
1314 if (ind->root.dynindx != -1)
1316 if (dir->root.dynindx != -1)
1317 _bfd_elf_strtab_delref (elf_hash_table (info)->dynstr,
1318 dir->root.dynstr_index);
1319 dir->root.dynindx = ind->root.dynindx;
1320 dir->root.dynstr_index = ind->root.dynstr_index;
1321 ind->root.dynindx = -1;
1322 ind->root.dynstr_index = 0;
1327 elfNN_ia64_hash_hide_symbol (struct bfd_link_info *info,
1328 struct elf_link_hash_entry *xh,
1329 bfd_boolean force_local)
1331 struct elfNN_ia64_link_hash_entry *h;
1332 struct elfNN_ia64_dyn_sym_info *dyn_i;
1335 h = (struct elfNN_ia64_link_hash_entry *)xh;
1337 _bfd_elf_link_hash_hide_symbol (info, &h->root, force_local);
1339 for (count = h->count, dyn_i = h->info;
1343 dyn_i->want_plt2 = 0;
1344 dyn_i->want_plt = 0;
1348 /* Compute a hash of a local hash entry. */
1351 elfNN_ia64_local_htab_hash (const void *ptr)
1353 struct elfNN_ia64_local_hash_entry *entry
1354 = (struct elfNN_ia64_local_hash_entry *) ptr;
1356 return ELF_LOCAL_SYMBOL_HASH (entry->id, entry->r_sym);
1359 /* Compare local hash entries. */
1362 elfNN_ia64_local_htab_eq (const void *ptr1, const void *ptr2)
1364 struct elfNN_ia64_local_hash_entry *entry1
1365 = (struct elfNN_ia64_local_hash_entry *) ptr1;
1366 struct elfNN_ia64_local_hash_entry *entry2
1367 = (struct elfNN_ia64_local_hash_entry *) ptr2;
1369 return entry1->id == entry2->id && entry1->r_sym == entry2->r_sym;
1372 /* Create the derived linker hash table. The IA-64 ELF port uses this
1373 derived hash table to keep information specific to the IA-64 ElF
1374 linker (without using static variables). */
1376 static struct bfd_link_hash_table *
1377 elfNN_ia64_hash_table_create (bfd *abfd)
1379 struct elfNN_ia64_link_hash_table *ret;
1381 ret = bfd_zmalloc ((bfd_size_type) sizeof (*ret));
1385 if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
1386 elfNN_ia64_new_elf_hash_entry,
1387 sizeof (struct elfNN_ia64_link_hash_entry),
1394 ret->loc_hash_table = htab_try_create (1024, elfNN_ia64_local_htab_hash,
1395 elfNN_ia64_local_htab_eq, NULL);
1396 ret->loc_hash_memory = objalloc_create ();
1397 if (!ret->loc_hash_table || !ret->loc_hash_memory)
1403 return &ret->root.root;
1406 /* Free the global elfNN_ia64_dyn_sym_info array. */
1409 elfNN_ia64_global_dyn_info_free (void **xentry,
1410 void * unused ATTRIBUTE_UNUSED)
1412 struct elfNN_ia64_link_hash_entry *entry
1413 = (struct elfNN_ia64_link_hash_entry *) xentry;
1420 entry->sorted_count = 0;
1427 /* Free the local elfNN_ia64_dyn_sym_info array. */
1430 elfNN_ia64_local_dyn_info_free (void **slot,
1431 void * unused ATTRIBUTE_UNUSED)
1433 struct elfNN_ia64_local_hash_entry *entry
1434 = (struct elfNN_ia64_local_hash_entry *) *slot;
1441 entry->sorted_count = 0;
1448 /* Destroy IA-64 linker hash table. */
1451 elfNN_ia64_hash_table_free (struct bfd_link_hash_table *hash)
1453 struct elfNN_ia64_link_hash_table *ia64_info
1454 = (struct elfNN_ia64_link_hash_table *) hash;
1455 if (ia64_info->loc_hash_table)
1457 htab_traverse (ia64_info->loc_hash_table,
1458 elfNN_ia64_local_dyn_info_free, NULL);
1459 htab_delete (ia64_info->loc_hash_table);
1461 if (ia64_info->loc_hash_memory)
1462 objalloc_free ((struct objalloc *) ia64_info->loc_hash_memory);
1463 elf_link_hash_traverse (&ia64_info->root,
1464 elfNN_ia64_global_dyn_info_free, NULL);
1465 _bfd_elf_link_hash_table_free (hash);
1468 /* Traverse both local and global hash tables. */
1470 struct elfNN_ia64_dyn_sym_traverse_data
1472 bfd_boolean (*func) (struct elfNN_ia64_dyn_sym_info *, void *);
1477 elfNN_ia64_global_dyn_sym_thunk (struct bfd_hash_entry *xentry,
1480 struct elfNN_ia64_link_hash_entry *entry
1481 = (struct elfNN_ia64_link_hash_entry *) xentry;
1482 struct elfNN_ia64_dyn_sym_traverse_data *data
1483 = (struct elfNN_ia64_dyn_sym_traverse_data *) xdata;
1484 struct elfNN_ia64_dyn_sym_info *dyn_i;
1487 for (count = entry->count, dyn_i = entry->info;
1490 if (! (*data->func) (dyn_i, data->data))
1496 elfNN_ia64_local_dyn_sym_thunk (void **slot, void * xdata)
1498 struct elfNN_ia64_local_hash_entry *entry
1499 = (struct elfNN_ia64_local_hash_entry *) *slot;
1500 struct elfNN_ia64_dyn_sym_traverse_data *data
1501 = (struct elfNN_ia64_dyn_sym_traverse_data *) xdata;
1502 struct elfNN_ia64_dyn_sym_info *dyn_i;
1505 for (count = entry->count, dyn_i = entry->info;
1508 if (! (*data->func) (dyn_i, data->data))
1514 elfNN_ia64_dyn_sym_traverse (struct elfNN_ia64_link_hash_table *ia64_info,
1515 bfd_boolean (*func) (struct elfNN_ia64_dyn_sym_info *, void *),
1518 struct elfNN_ia64_dyn_sym_traverse_data xdata;
1523 elf_link_hash_traverse (&ia64_info->root,
1524 elfNN_ia64_global_dyn_sym_thunk, &xdata);
1525 htab_traverse (ia64_info->loc_hash_table,
1526 elfNN_ia64_local_dyn_sym_thunk, &xdata);
1530 elfNN_ia64_create_dynamic_sections (bfd *abfd,
1531 struct bfd_link_info *info)
1533 struct elfNN_ia64_link_hash_table *ia64_info;
1536 if (! _bfd_elf_create_dynamic_sections (abfd, info))
1539 ia64_info = elfNN_ia64_hash_table (info);
1540 if (ia64_info == NULL)
1544 flagword flags = bfd_get_section_flags (abfd, ia64_info->root.sgot);
1545 bfd_set_section_flags (abfd, ia64_info->root.sgot,
1546 SEC_SMALL_DATA | flags);
1547 /* The .got section is always aligned at 8 bytes. */
1548 if (! bfd_set_section_alignment (abfd, ia64_info->root.sgot, 3))
1552 if (!get_pltoff (abfd, info, ia64_info))
1555 s = bfd_make_section_anyway_with_flags (abfd, ".rela.IA_64.pltoff",
1556 (SEC_ALLOC | SEC_LOAD
1559 | SEC_LINKER_CREATED
1562 || !bfd_set_section_alignment (abfd, s, LOG_SECTION_ALIGN))
1564 ia64_info->rel_pltoff_sec = s;
1569 /* Find and/or create a hash entry for local symbol. */
1570 static struct elfNN_ia64_local_hash_entry *
1571 get_local_sym_hash (struct elfNN_ia64_link_hash_table *ia64_info,
1572 bfd *abfd, const Elf_Internal_Rela *rel,
1575 struct elfNN_ia64_local_hash_entry e, *ret;
1576 asection *sec = abfd->sections;
1577 hashval_t h = ELF_LOCAL_SYMBOL_HASH (sec->id,
1578 ELFNN_R_SYM (rel->r_info));
1582 e.r_sym = ELFNN_R_SYM (rel->r_info);
1583 slot = htab_find_slot_with_hash (ia64_info->loc_hash_table, &e, h,
1584 create ? INSERT : NO_INSERT);
1590 return (struct elfNN_ia64_local_hash_entry *) *slot;
1592 ret = (struct elfNN_ia64_local_hash_entry *)
1593 objalloc_alloc ((struct objalloc *) ia64_info->loc_hash_memory,
1594 sizeof (struct elfNN_ia64_local_hash_entry));
1597 memset (ret, 0, sizeof (*ret));
1599 ret->r_sym = ELFNN_R_SYM (rel->r_info);
1605 /* Used to sort elfNN_ia64_dyn_sym_info array. */
1608 addend_compare (const void *xp, const void *yp)
1610 const struct elfNN_ia64_dyn_sym_info *x
1611 = (const struct elfNN_ia64_dyn_sym_info *) xp;
1612 const struct elfNN_ia64_dyn_sym_info *y
1613 = (const struct elfNN_ia64_dyn_sym_info *) yp;
1615 return x->addend < y->addend ? -1 : x->addend > y->addend ? 1 : 0;
1618 /* Sort elfNN_ia64_dyn_sym_info array and remove duplicates. */
1621 sort_dyn_sym_info (struct elfNN_ia64_dyn_sym_info *info,
1624 bfd_vma curr, prev, got_offset;
1625 unsigned int i, kept, dupes, diff, dest, src, len;
1627 qsort (info, count, sizeof (*info), addend_compare);
1629 /* Find the first duplicate. */
1630 prev = info [0].addend;
1631 got_offset = info [0].got_offset;
1632 for (i = 1; i < count; i++)
1634 curr = info [i].addend;
1637 /* For duplicates, make sure that GOT_OFFSET is valid. */
1638 if (got_offset == (bfd_vma) -1)
1639 got_offset = info [i].got_offset;
1642 got_offset = info [i].got_offset;
1646 /* We may move a block of elements to here. */
1649 /* Remove duplicates. */
1654 /* For duplicates, make sure that the kept one has a valid
1657 if (got_offset != (bfd_vma) -1)
1658 info [kept].got_offset = got_offset;
1660 curr = info [i].addend;
1661 got_offset = info [i].got_offset;
1663 /* Move a block of elements whose first one is different from
1667 for (src = i + 1; src < count; src++)
1669 if (info [src].addend != curr)
1671 /* For duplicates, make sure that GOT_OFFSET is
1673 if (got_offset == (bfd_vma) -1)
1674 got_offset = info [src].got_offset;
1677 /* Make sure that the kept one has a valid got_offset. */
1678 if (got_offset != (bfd_vma) -1)
1679 info [kept].got_offset = got_offset;
1687 /* Find the next duplicate. SRC will be kept. */
1688 prev = info [src].addend;
1689 got_offset = info [src].got_offset;
1690 for (dupes = src + 1; dupes < count; dupes ++)
1692 curr = info [dupes].addend;
1695 /* Make sure that got_offset is valid. */
1696 if (got_offset == (bfd_vma) -1)
1697 got_offset = info [dupes].got_offset;
1699 /* For duplicates, make sure that the kept one has
1700 a valid got_offset. */
1701 if (got_offset != (bfd_vma) -1)
1702 info [dupes - 1].got_offset = got_offset;
1705 got_offset = info [dupes].got_offset;
1709 /* How much to move. */
1713 if (len == 1 && dupes < count)
1715 /* If we only move 1 element, we combine it with the next
1716 one. There must be at least a duplicate. Find the
1717 next different one. */
1718 for (diff = dupes + 1, src++; diff < count; diff++, src++)
1720 if (info [diff].addend != curr)
1722 /* Make sure that got_offset is valid. */
1723 if (got_offset == (bfd_vma) -1)
1724 got_offset = info [diff].got_offset;
1727 /* Makre sure that the last duplicated one has an valid
1729 BFD_ASSERT (curr == prev);
1730 if (got_offset != (bfd_vma) -1)
1731 info [diff - 1].got_offset = got_offset;
1735 /* Find the next duplicate. Track the current valid
1737 prev = info [diff].addend;
1738 got_offset = info [diff].got_offset;
1739 for (dupes = diff + 1; dupes < count; dupes ++)
1741 curr = info [dupes].addend;
1744 /* For duplicates, make sure that GOT_OFFSET
1746 if (got_offset == (bfd_vma) -1)
1747 got_offset = info [dupes].got_offset;
1750 got_offset = info [dupes].got_offset;
1755 len = diff - src + 1;
1760 memmove (&info [dest], &info [src], len * sizeof (*info));
1769 /* When we get here, either there is no duplicate at all or
1770 the only duplicate is the last element. */
1773 /* If the last element is a duplicate, make sure that the
1774 kept one has a valid got_offset. We also update count. */
1775 if (got_offset != (bfd_vma) -1)
1776 info [dest - 1].got_offset = got_offset;
1784 /* Find and/or create a descriptor for dynamic symbol info. This will
1785 vary based on global or local symbol, and the addend to the reloc.
1787 We don't sort when inserting. Also, we sort and eliminate
1788 duplicates if there is an unsorted section. Typically, this will
1789 only happen once, because we do all insertions before lookups. We
1790 then use bsearch to do a lookup. This also allows lookups to be
1791 fast. So we have fast insertion (O(log N) due to duplicate check),
1792 fast lookup (O(log N)) and one sort (O(N log N) expected time).
1793 Previously, all lookups were O(N) because of the use of the linked
1794 list and also all insertions were O(N) because of the check for
1795 duplicates. There are some complications here because the array
1796 size grows occasionally, which may add an O(N) factor, but this
1797 should be rare. Also, we free the excess array allocation, which
1798 requires a copy which is O(N), but this only happens once. */
1800 static struct elfNN_ia64_dyn_sym_info *
1801 get_dyn_sym_info (struct elfNN_ia64_link_hash_table *ia64_info,
1802 struct elf_link_hash_entry *h, bfd *abfd,
1803 const Elf_Internal_Rela *rel, bfd_boolean create)
1805 struct elfNN_ia64_dyn_sym_info **info_p, *info, *dyn_i, key;
1806 unsigned int *count_p, *sorted_count_p, *size_p;
1807 unsigned int count, sorted_count, size;
1808 bfd_vma addend = rel ? rel->r_addend : 0;
1813 struct elfNN_ia64_link_hash_entry *global_h;
1815 global_h = (struct elfNN_ia64_link_hash_entry *) h;
1816 info_p = &global_h->info;
1817 count_p = &global_h->count;
1818 sorted_count_p = &global_h->sorted_count;
1819 size_p = &global_h->size;
1823 struct elfNN_ia64_local_hash_entry *loc_h;
1825 loc_h = get_local_sym_hash (ia64_info, abfd, rel, create);
1828 BFD_ASSERT (!create);
1832 info_p = &loc_h->info;
1833 count_p = &loc_h->count;
1834 sorted_count_p = &loc_h->sorted_count;
1835 size_p = &loc_h->size;
1839 sorted_count = *sorted_count_p;
1844 /* When we create the array, we don't check for duplicates,
1845 except in the previously sorted section if one exists, and
1846 against the last inserted entry. This allows insertions to
1852 /* Try bsearch first on the sorted section. */
1853 key.addend = addend;
1854 dyn_i = bsearch (&key, info, sorted_count,
1855 sizeof (*info), addend_compare);
1863 /* Do a quick check for the last inserted entry. */
1864 dyn_i = info + count - 1;
1865 if (dyn_i->addend == addend)
1873 /* It is the very first element. We create the array of size
1876 amt = size * sizeof (*info);
1877 info = bfd_malloc (amt);
1879 else if (size <= count)
1881 /* We double the array size every time when we reach the
1884 amt = size * sizeof (*info);
1885 info = bfd_realloc (info, amt);
1896 /* Append the new one to the array. */
1897 dyn_i = info + count;
1898 memset (dyn_i, 0, sizeof (*dyn_i));
1899 dyn_i->got_offset = (bfd_vma) -1;
1900 dyn_i->addend = addend;
1902 /* We increment count only since the new ones are unsorted and
1903 may have duplicate. */
1908 /* It is a lookup without insertion. Sort array if part of the
1909 array isn't sorted. */
1910 if (count != sorted_count)
1912 count = sort_dyn_sym_info (info, count);
1914 *sorted_count_p = count;
1917 /* Free unused memory. */
1920 amt = count * sizeof (*info);
1921 info = bfd_malloc (amt);
1924 memcpy (info, *info_p, amt);
1931 key.addend = addend;
1932 dyn_i = bsearch (&key, info, count,
1933 sizeof (*info), addend_compare);
1940 get_got (bfd *abfd, struct bfd_link_info *info,
1941 struct elfNN_ia64_link_hash_table *ia64_info)
1946 got = ia64_info->root.sgot;
1951 dynobj = ia64_info->root.dynobj;
1953 ia64_info->root.dynobj = dynobj = abfd;
1954 if (!_bfd_elf_create_got_section (dynobj, info))
1957 got = ia64_info->root.sgot;
1959 /* The .got section is always aligned at 8 bytes. */
1960 if (!bfd_set_section_alignment (abfd, got, 3))
1963 flags = bfd_get_section_flags (abfd, got);
1964 if (! bfd_set_section_flags (abfd, got, SEC_SMALL_DATA | flags))
1971 /* Create function descriptor section (.opd). This section is called .opd
1972 because it contains "official procedure descriptors". The "official"
1973 refers to the fact that these descriptors are used when taking the address
1974 of a procedure, thus ensuring a unique address for each procedure. */
1977 get_fptr (bfd *abfd, struct bfd_link_info *info,
1978 struct elfNN_ia64_link_hash_table *ia64_info)
1983 fptr = ia64_info->fptr_sec;
1986 dynobj = ia64_info->root.dynobj;
1988 ia64_info->root.dynobj = dynobj = abfd;
1990 fptr = bfd_make_section_anyway_with_flags (dynobj, ".opd",
1997 | SEC_LINKER_CREATED));
1999 || !bfd_set_section_alignment (abfd, fptr, 4))
2005 ia64_info->fptr_sec = fptr;
2010 fptr_rel = bfd_make_section_anyway_with_flags (dynobj, ".rela.opd",
2011 (SEC_ALLOC | SEC_LOAD
2014 | SEC_LINKER_CREATED
2016 if (fptr_rel == NULL
2017 || !bfd_set_section_alignment (abfd, fptr_rel,
2024 ia64_info->rel_fptr_sec = fptr_rel;
2032 get_pltoff (bfd *abfd, struct bfd_link_info *info ATTRIBUTE_UNUSED,
2033 struct elfNN_ia64_link_hash_table *ia64_info)
2038 pltoff = ia64_info->pltoff_sec;
2041 dynobj = ia64_info->root.dynobj;
2043 ia64_info->root.dynobj = dynobj = abfd;
2045 pltoff = bfd_make_section_anyway_with_flags (dynobj,
2046 ELF_STRING_ia64_pltoff,
2052 | SEC_LINKER_CREATED));
2054 || !bfd_set_section_alignment (abfd, pltoff, 4))
2060 ia64_info->pltoff_sec = pltoff;
2067 get_reloc_section (bfd *abfd,
2068 struct elfNN_ia64_link_hash_table *ia64_info,
2069 asection *sec, bfd_boolean create)
2071 const char *srel_name;
2075 srel_name = (bfd_elf_string_from_elf_section
2076 (abfd, elf_elfheader(abfd)->e_shstrndx,
2077 _bfd_elf_single_rel_hdr (sec)->sh_name));
2078 if (srel_name == NULL)
2081 dynobj = ia64_info->root.dynobj;
2083 ia64_info->root.dynobj = dynobj = abfd;
2085 srel = bfd_get_linker_section (dynobj, srel_name);
2086 if (srel == NULL && create)
2088 srel = bfd_make_section_anyway_with_flags (dynobj, srel_name,
2089 (SEC_ALLOC | SEC_LOAD
2092 | SEC_LINKER_CREATED
2095 || !bfd_set_section_alignment (dynobj, srel,
2104 count_dyn_reloc (bfd *abfd, struct elfNN_ia64_dyn_sym_info *dyn_i,
2105 asection *srel, int type, bfd_boolean reltext)
2107 struct elfNN_ia64_dyn_reloc_entry *rent;
2109 for (rent = dyn_i->reloc_entries; rent; rent = rent->next)
2110 if (rent->srel == srel && rent->type == type)
2115 rent = ((struct elfNN_ia64_dyn_reloc_entry *)
2116 bfd_alloc (abfd, (bfd_size_type) sizeof (*rent)));
2120 rent->next = dyn_i->reloc_entries;
2124 dyn_i->reloc_entries = rent;
2126 rent->reltext = reltext;
2133 elfNN_ia64_check_relocs (bfd *abfd, struct bfd_link_info *info,
2135 const Elf_Internal_Rela *relocs)
2137 struct elfNN_ia64_link_hash_table *ia64_info;
2138 const Elf_Internal_Rela *relend;
2139 Elf_Internal_Shdr *symtab_hdr;
2140 const Elf_Internal_Rela *rel;
2141 asection *got, *fptr, *srel, *pltoff;
2150 NEED_LTOFF_FPTR = 128,
2156 struct elf_link_hash_entry *h;
2157 unsigned long r_symndx;
2158 bfd_boolean maybe_dynamic;
2160 if (info->relocatable)
2163 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
2164 ia64_info = elfNN_ia64_hash_table (info);
2165 if (ia64_info == NULL)
2168 got = fptr = srel = pltoff = NULL;
2170 relend = relocs + sec->reloc_count;
2172 /* We scan relocations first to create dynamic relocation arrays. We
2173 modified get_dyn_sym_info to allow fast insertion and support fast
2174 lookup in the next loop. */
2175 for (rel = relocs; rel < relend; ++rel)
2177 r_symndx = ELFNN_R_SYM (rel->r_info);
2178 if (r_symndx >= symtab_hdr->sh_info)
2180 long indx = r_symndx - symtab_hdr->sh_info;
2181 h = elf_sym_hashes (abfd)[indx];
2182 while (h->root.type == bfd_link_hash_indirect
2183 || h->root.type == bfd_link_hash_warning)
2184 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2189 /* We can only get preliminary data on whether a symbol is
2190 locally or externally defined, as not all of the input files
2191 have yet been processed. Do something with what we know, as
2192 this may help reduce memory usage and processing time later. */
2193 maybe_dynamic = (h && ((!info->executable
2194 && (!SYMBOLIC_BIND (info, h)
2195 || info->unresolved_syms_in_shared_libs == RM_IGNORE))
2197 || h->root.type == bfd_link_hash_defweak));
2200 switch (ELFNN_R_TYPE (rel->r_info))
2202 case R_IA64_TPREL64MSB:
2203 case R_IA64_TPREL64LSB:
2204 if (info->shared || maybe_dynamic)
2205 need_entry = NEED_DYNREL;
2208 case R_IA64_LTOFF_TPREL22:
2209 need_entry = NEED_TPREL;
2211 info->flags |= DF_STATIC_TLS;
2214 case R_IA64_DTPREL32MSB:
2215 case R_IA64_DTPREL32LSB:
2216 case R_IA64_DTPREL64MSB:
2217 case R_IA64_DTPREL64LSB:
2218 if (info->shared || maybe_dynamic)
2219 need_entry = NEED_DYNREL;
2222 case R_IA64_LTOFF_DTPREL22:
2223 need_entry = NEED_DTPREL;
2226 case R_IA64_DTPMOD64MSB:
2227 case R_IA64_DTPMOD64LSB:
2228 if (info->shared || maybe_dynamic)
2229 need_entry = NEED_DYNREL;
2232 case R_IA64_LTOFF_DTPMOD22:
2233 need_entry = NEED_DTPMOD;
2236 case R_IA64_LTOFF_FPTR22:
2237 case R_IA64_LTOFF_FPTR64I:
2238 case R_IA64_LTOFF_FPTR32MSB:
2239 case R_IA64_LTOFF_FPTR32LSB:
2240 case R_IA64_LTOFF_FPTR64MSB:
2241 case R_IA64_LTOFF_FPTR64LSB:
2242 need_entry = NEED_FPTR | NEED_GOT | NEED_LTOFF_FPTR;
2245 case R_IA64_FPTR64I:
2246 case R_IA64_FPTR32MSB:
2247 case R_IA64_FPTR32LSB:
2248 case R_IA64_FPTR64MSB:
2249 case R_IA64_FPTR64LSB:
2250 if (info->shared || h)
2251 need_entry = NEED_FPTR | NEED_DYNREL;
2253 need_entry = NEED_FPTR;
2256 case R_IA64_LTOFF22:
2257 case R_IA64_LTOFF64I:
2258 need_entry = NEED_GOT;
2261 case R_IA64_LTOFF22X:
2262 need_entry = NEED_GOTX;
2265 case R_IA64_PLTOFF22:
2266 case R_IA64_PLTOFF64I:
2267 case R_IA64_PLTOFF64MSB:
2268 case R_IA64_PLTOFF64LSB:
2269 need_entry = NEED_PLTOFF;
2273 need_entry |= NEED_MIN_PLT;
2277 (*info->callbacks->warning)
2278 (info, _("@pltoff reloc against local symbol"), 0,
2279 abfd, 0, (bfd_vma) 0);
2283 case R_IA64_PCREL21B:
2284 case R_IA64_PCREL60B:
2285 /* Depending on where this symbol is defined, we may or may not
2286 need a full plt entry. Only skip if we know we'll not need
2287 the entry -- static or symbolic, and the symbol definition
2288 has already been seen. */
2289 if (maybe_dynamic && rel->r_addend == 0)
2290 need_entry = NEED_FULL_PLT;
2296 case R_IA64_DIR32MSB:
2297 case R_IA64_DIR32LSB:
2298 case R_IA64_DIR64MSB:
2299 case R_IA64_DIR64LSB:
2300 /* Shared objects will always need at least a REL relocation. */
2301 if (info->shared || maybe_dynamic)
2302 need_entry = NEED_DYNREL;
2305 case R_IA64_IPLTMSB:
2306 case R_IA64_IPLTLSB:
2307 /* Shared objects will always need at least a REL relocation. */
2308 if (info->shared || maybe_dynamic)
2309 need_entry = NEED_DYNREL;
2312 case R_IA64_PCREL22:
2313 case R_IA64_PCREL64I:
2314 case R_IA64_PCREL32MSB:
2315 case R_IA64_PCREL32LSB:
2316 case R_IA64_PCREL64MSB:
2317 case R_IA64_PCREL64LSB:
2319 need_entry = NEED_DYNREL;
2326 if ((need_entry & NEED_FPTR) != 0
2329 (*info->callbacks->warning)
2330 (info, _("non-zero addend in @fptr reloc"), 0,
2331 abfd, 0, (bfd_vma) 0);
2334 if (get_dyn_sym_info (ia64_info, h, abfd, rel, TRUE) == NULL)
2338 /* Now, we only do lookup without insertion, which is very fast
2339 with the modified get_dyn_sym_info. */
2340 for (rel = relocs; rel < relend; ++rel)
2342 struct elfNN_ia64_dyn_sym_info *dyn_i;
2343 int dynrel_type = R_IA64_NONE;
2345 r_symndx = ELFNN_R_SYM (rel->r_info);
2346 if (r_symndx >= symtab_hdr->sh_info)
2348 /* We're dealing with a global symbol -- find its hash entry
2349 and mark it as being referenced. */
2350 long indx = r_symndx - symtab_hdr->sh_info;
2351 h = elf_sym_hashes (abfd)[indx];
2352 while (h->root.type == bfd_link_hash_indirect
2353 || h->root.type == bfd_link_hash_warning)
2354 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2356 /* PR15323, ref flags aren't set for references in the same
2358 h->root.non_ir_ref = 1;
2364 /* We can only get preliminary data on whether a symbol is
2365 locally or externally defined, as not all of the input files
2366 have yet been processed. Do something with what we know, as
2367 this may help reduce memory usage and processing time later. */
2368 maybe_dynamic = (h && ((!info->executable
2369 && (!SYMBOLIC_BIND (info, h)
2370 || info->unresolved_syms_in_shared_libs == RM_IGNORE))
2372 || h->root.type == bfd_link_hash_defweak));
2375 switch (ELFNN_R_TYPE (rel->r_info))
2377 case R_IA64_TPREL64MSB:
2378 case R_IA64_TPREL64LSB:
2379 if (info->shared || maybe_dynamic)
2380 need_entry = NEED_DYNREL;
2381 dynrel_type = R_IA64_TPREL64LSB;
2383 info->flags |= DF_STATIC_TLS;
2386 case R_IA64_LTOFF_TPREL22:
2387 need_entry = NEED_TPREL;
2389 info->flags |= DF_STATIC_TLS;
2392 case R_IA64_DTPREL32MSB:
2393 case R_IA64_DTPREL32LSB:
2394 case R_IA64_DTPREL64MSB:
2395 case R_IA64_DTPREL64LSB:
2396 if (info->shared || maybe_dynamic)
2397 need_entry = NEED_DYNREL;
2398 dynrel_type = R_IA64_DTPRELNNLSB;
2401 case R_IA64_LTOFF_DTPREL22:
2402 need_entry = NEED_DTPREL;
2405 case R_IA64_DTPMOD64MSB:
2406 case R_IA64_DTPMOD64LSB:
2407 if (info->shared || maybe_dynamic)
2408 need_entry = NEED_DYNREL;
2409 dynrel_type = R_IA64_DTPMOD64LSB;
2412 case R_IA64_LTOFF_DTPMOD22:
2413 need_entry = NEED_DTPMOD;
2416 case R_IA64_LTOFF_FPTR22:
2417 case R_IA64_LTOFF_FPTR64I:
2418 case R_IA64_LTOFF_FPTR32MSB:
2419 case R_IA64_LTOFF_FPTR32LSB:
2420 case R_IA64_LTOFF_FPTR64MSB:
2421 case R_IA64_LTOFF_FPTR64LSB:
2422 need_entry = NEED_FPTR | NEED_GOT | NEED_LTOFF_FPTR;
2425 case R_IA64_FPTR64I:
2426 case R_IA64_FPTR32MSB:
2427 case R_IA64_FPTR32LSB:
2428 case R_IA64_FPTR64MSB:
2429 case R_IA64_FPTR64LSB:
2430 if (info->shared || h)
2431 need_entry = NEED_FPTR | NEED_DYNREL;
2433 need_entry = NEED_FPTR;
2434 dynrel_type = R_IA64_FPTRNNLSB;
2437 case R_IA64_LTOFF22:
2438 case R_IA64_LTOFF64I:
2439 need_entry = NEED_GOT;
2442 case R_IA64_LTOFF22X:
2443 need_entry = NEED_GOTX;
2446 case R_IA64_PLTOFF22:
2447 case R_IA64_PLTOFF64I:
2448 case R_IA64_PLTOFF64MSB:
2449 case R_IA64_PLTOFF64LSB:
2450 need_entry = NEED_PLTOFF;
2454 need_entry |= NEED_MIN_PLT;
2458 case R_IA64_PCREL21B:
2459 case R_IA64_PCREL60B:
2460 /* Depending on where this symbol is defined, we may or may not
2461 need a full plt entry. Only skip if we know we'll not need
2462 the entry -- static or symbolic, and the symbol definition
2463 has already been seen. */
2464 if (maybe_dynamic && rel->r_addend == 0)
2465 need_entry = NEED_FULL_PLT;
2471 case R_IA64_DIR32MSB:
2472 case R_IA64_DIR32LSB:
2473 case R_IA64_DIR64MSB:
2474 case R_IA64_DIR64LSB:
2475 /* Shared objects will always need at least a REL relocation. */
2476 if (info->shared || maybe_dynamic)
2477 need_entry = NEED_DYNREL;
2478 dynrel_type = R_IA64_DIRNNLSB;
2481 case R_IA64_IPLTMSB:
2482 case R_IA64_IPLTLSB:
2483 /* Shared objects will always need at least a REL relocation. */
2484 if (info->shared || maybe_dynamic)
2485 need_entry = NEED_DYNREL;
2486 dynrel_type = R_IA64_IPLTLSB;
2489 case R_IA64_PCREL22:
2490 case R_IA64_PCREL64I:
2491 case R_IA64_PCREL32MSB:
2492 case R_IA64_PCREL32LSB:
2493 case R_IA64_PCREL64MSB:
2494 case R_IA64_PCREL64LSB:
2496 need_entry = NEED_DYNREL;
2497 dynrel_type = R_IA64_PCRELNNLSB;
2504 dyn_i = get_dyn_sym_info (ia64_info, h, abfd, rel, FALSE);
2506 /* Record whether or not this is a local symbol. */
2509 /* Create what's needed. */
2510 if (need_entry & (NEED_GOT | NEED_GOTX | NEED_TPREL
2511 | NEED_DTPMOD | NEED_DTPREL))
2515 got = get_got (abfd, info, ia64_info);
2519 if (need_entry & NEED_GOT)
2520 dyn_i->want_got = 1;
2521 if (need_entry & NEED_GOTX)
2522 dyn_i->want_gotx = 1;
2523 if (need_entry & NEED_TPREL)
2524 dyn_i->want_tprel = 1;
2525 if (need_entry & NEED_DTPMOD)
2526 dyn_i->want_dtpmod = 1;
2527 if (need_entry & NEED_DTPREL)
2528 dyn_i->want_dtprel = 1;
2530 if (need_entry & NEED_FPTR)
2534 fptr = get_fptr (abfd, info, ia64_info);
2539 /* FPTRs for shared libraries are allocated by the dynamic
2540 linker. Make sure this local symbol will appear in the
2541 dynamic symbol table. */
2542 if (!h && info->shared)
2544 if (! (bfd_elf_link_record_local_dynamic_symbol
2545 (info, abfd, (long) r_symndx)))
2549 dyn_i->want_fptr = 1;
2551 if (need_entry & NEED_LTOFF_FPTR)
2552 dyn_i->want_ltoff_fptr = 1;
2553 if (need_entry & (NEED_MIN_PLT | NEED_FULL_PLT))
2555 if (!ia64_info->root.dynobj)
2556 ia64_info->root.dynobj = abfd;
2558 dyn_i->want_plt = 1;
2560 if (need_entry & NEED_FULL_PLT)
2561 dyn_i->want_plt2 = 1;
2562 if (need_entry & NEED_PLTOFF)
2564 /* This is needed here, in case @pltoff is used in a non-shared
2568 pltoff = get_pltoff (abfd, info, ia64_info);
2573 dyn_i->want_pltoff = 1;
2575 if ((need_entry & NEED_DYNREL) && (sec->flags & SEC_ALLOC))
2579 srel = get_reloc_section (abfd, ia64_info, sec, TRUE);
2583 if (!count_dyn_reloc (abfd, dyn_i, srel, dynrel_type,
2584 (sec->flags & SEC_READONLY) != 0))
2592 /* For cleanliness, and potentially faster dynamic loading, allocate
2593 external GOT entries first. */
2596 allocate_global_data_got (struct elfNN_ia64_dyn_sym_info *dyn_i,
2599 struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
2601 if ((dyn_i->want_got || dyn_i->want_gotx)
2602 && ! dyn_i->want_fptr
2603 && elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info, 0))
2605 dyn_i->got_offset = x->ofs;
2608 if (dyn_i->want_tprel)
2610 dyn_i->tprel_offset = x->ofs;
2613 if (dyn_i->want_dtpmod)
2615 if (elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info, 0))
2617 dyn_i->dtpmod_offset = x->ofs;
2622 struct elfNN_ia64_link_hash_table *ia64_info;
2624 ia64_info = elfNN_ia64_hash_table (x->info);
2625 if (ia64_info == NULL)
2628 if (ia64_info->self_dtpmod_offset == (bfd_vma) -1)
2630 ia64_info->self_dtpmod_offset = x->ofs;
2633 dyn_i->dtpmod_offset = ia64_info->self_dtpmod_offset;
2636 if (dyn_i->want_dtprel)
2638 dyn_i->dtprel_offset = x->ofs;
2644 /* Next, allocate all the GOT entries used by LTOFF_FPTR relocs. */
2647 allocate_global_fptr_got (struct elfNN_ia64_dyn_sym_info *dyn_i,
2650 struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
2654 && elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info, R_IA64_FPTRNNLSB))
2656 dyn_i->got_offset = x->ofs;
2662 /* Lastly, allocate all the GOT entries for local data. */
2665 allocate_local_got (struct elfNN_ia64_dyn_sym_info *dyn_i,
2668 struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
2670 if ((dyn_i->want_got || dyn_i->want_gotx)
2671 && !elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info, 0))
2673 dyn_i->got_offset = x->ofs;
2679 /* Search for the index of a global symbol in it's defining object file. */
2682 global_sym_index (struct elf_link_hash_entry *h)
2684 struct elf_link_hash_entry **p;
2687 BFD_ASSERT (h->root.type == bfd_link_hash_defined
2688 || h->root.type == bfd_link_hash_defweak);
2690 obj = h->root.u.def.section->owner;
2691 for (p = elf_sym_hashes (obj); *p != h; ++p)
2694 return p - elf_sym_hashes (obj) + elf_tdata (obj)->symtab_hdr.sh_info;
2697 /* Allocate function descriptors. We can do these for every function
2698 in a main executable that is not exported. */
2701 allocate_fptr (struct elfNN_ia64_dyn_sym_info *dyn_i, void * data)
2703 struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
2705 if (dyn_i->want_fptr)
2707 struct elf_link_hash_entry *h = dyn_i->h;
2710 while (h->root.type == bfd_link_hash_indirect
2711 || h->root.type == bfd_link_hash_warning)
2712 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2714 if (!x->info->executable
2716 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2717 || (h->root.type != bfd_link_hash_undefweak
2718 && h->root.type != bfd_link_hash_undefined)))
2720 if (h && h->dynindx == -1)
2722 BFD_ASSERT ((h->root.type == bfd_link_hash_defined)
2723 || (h->root.type == bfd_link_hash_defweak));
2725 if (!bfd_elf_link_record_local_dynamic_symbol
2726 (x->info, h->root.u.def.section->owner,
2727 global_sym_index (h)))
2731 dyn_i->want_fptr = 0;
2733 else if (h == NULL || h->dynindx == -1)
2735 dyn_i->fptr_offset = x->ofs;
2739 dyn_i->want_fptr = 0;
2744 /* Allocate all the minimal PLT entries. */
2747 allocate_plt_entries (struct elfNN_ia64_dyn_sym_info *dyn_i,
2750 struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
2752 if (dyn_i->want_plt)
2754 struct elf_link_hash_entry *h = dyn_i->h;
2757 while (h->root.type == bfd_link_hash_indirect
2758 || h->root.type == bfd_link_hash_warning)
2759 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2761 /* ??? Versioned symbols seem to lose NEEDS_PLT. */
2762 if (elfNN_ia64_dynamic_symbol_p (h, x->info, 0))
2764 bfd_size_type offset = x->ofs;
2766 offset = PLT_HEADER_SIZE;
2767 dyn_i->plt_offset = offset;
2768 x->ofs = offset + PLT_MIN_ENTRY_SIZE;
2770 dyn_i->want_pltoff = 1;
2774 dyn_i->want_plt = 0;
2775 dyn_i->want_plt2 = 0;
2781 /* Allocate all the full PLT entries. */
2784 allocate_plt2_entries (struct elfNN_ia64_dyn_sym_info *dyn_i,
2787 struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
2789 if (dyn_i->want_plt2)
2791 struct elf_link_hash_entry *h = dyn_i->h;
2792 bfd_size_type ofs = x->ofs;
2794 dyn_i->plt2_offset = ofs;
2795 x->ofs = ofs + PLT_FULL_ENTRY_SIZE;
2797 while (h->root.type == bfd_link_hash_indirect
2798 || h->root.type == bfd_link_hash_warning)
2799 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2800 dyn_i->h->plt.offset = ofs;
2805 /* Allocate all the PLTOFF entries requested by relocations and
2806 plt entries. We can't share space with allocated FPTR entries,
2807 because the latter are not necessarily addressable by the GP.
2808 ??? Relaxation might be able to determine that they are. */
2811 allocate_pltoff_entries (struct elfNN_ia64_dyn_sym_info *dyn_i,
2814 struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
2816 if (dyn_i->want_pltoff)
2818 dyn_i->pltoff_offset = x->ofs;
2824 /* Allocate dynamic relocations for those symbols that turned out
2828 allocate_dynrel_entries (struct elfNN_ia64_dyn_sym_info *dyn_i,
2831 struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
2832 struct elfNN_ia64_link_hash_table *ia64_info;
2833 struct elfNN_ia64_dyn_reloc_entry *rent;
2834 bfd_boolean dynamic_symbol, shared, resolved_zero;
2836 ia64_info = elfNN_ia64_hash_table (x->info);
2837 if (ia64_info == NULL)
2840 /* Note that this can't be used in relation to FPTR relocs below. */
2841 dynamic_symbol = elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info, 0);
2843 shared = x->info->shared;
2844 resolved_zero = (dyn_i->h
2845 && ELF_ST_VISIBILITY (dyn_i->h->other)
2846 && dyn_i->h->root.type == bfd_link_hash_undefweak);
2848 /* Take care of the GOT and PLT relocations. */
2851 && (dynamic_symbol || shared)
2852 && (dyn_i->want_got || dyn_i->want_gotx))
2853 || (dyn_i->want_ltoff_fptr
2855 && dyn_i->h->dynindx != -1))
2857 if (!dyn_i->want_ltoff_fptr
2860 || dyn_i->h->root.type != bfd_link_hash_undefweak)
2861 ia64_info->root.srelgot->size += sizeof (ElfNN_External_Rela);
2863 if ((dynamic_symbol || shared) && dyn_i->want_tprel)
2864 ia64_info->root.srelgot->size += sizeof (ElfNN_External_Rela);
2865 if (dynamic_symbol && dyn_i->want_dtpmod)
2866 ia64_info->root.srelgot->size += sizeof (ElfNN_External_Rela);
2867 if (dynamic_symbol && dyn_i->want_dtprel)
2868 ia64_info->root.srelgot->size += sizeof (ElfNN_External_Rela);
2873 if (ia64_info->rel_fptr_sec && dyn_i->want_fptr)
2875 if (dyn_i->h == NULL || dyn_i->h->root.type != bfd_link_hash_undefweak)
2876 ia64_info->rel_fptr_sec->size += sizeof (ElfNN_External_Rela);
2879 if (!resolved_zero && dyn_i->want_pltoff)
2881 bfd_size_type t = 0;
2883 /* Dynamic symbols get one IPLT relocation. Local symbols in
2884 shared libraries get two REL relocations. Local symbols in
2885 main applications get nothing. */
2887 t = sizeof (ElfNN_External_Rela);
2889 t = 2 * sizeof (ElfNN_External_Rela);
2891 ia64_info->rel_pltoff_sec->size += t;
2894 /* Take care of the normal data relocations. */
2896 for (rent = dyn_i->reloc_entries; rent; rent = rent->next)
2898 int count = rent->count;
2902 case R_IA64_FPTR32LSB:
2903 case R_IA64_FPTR64LSB:
2904 /* Allocate one iff !want_fptr and not PIE, which by this point
2905 will be true only if we're actually allocating one statically
2906 in the main executable. Position independent executables
2907 need a relative reloc. */
2908 if (dyn_i->want_fptr && !x->info->pie)
2911 case R_IA64_PCREL32LSB:
2912 case R_IA64_PCREL64LSB:
2913 if (!dynamic_symbol)
2916 case R_IA64_DIR32LSB:
2917 case R_IA64_DIR64LSB:
2918 if (!dynamic_symbol && !shared)
2921 case R_IA64_IPLTLSB:
2922 if (!dynamic_symbol && !shared)
2924 /* Use two REL relocations for IPLT relocations
2925 against local symbols. */
2926 if (!dynamic_symbol)
2929 case R_IA64_DTPREL32LSB:
2930 case R_IA64_TPREL64LSB:
2931 case R_IA64_DTPREL64LSB:
2932 case R_IA64_DTPMOD64LSB:
2938 ia64_info->reltext = 1;
2939 rent->srel->size += sizeof (ElfNN_External_Rela) * count;
2946 elfNN_ia64_adjust_dynamic_symbol (struct bfd_link_info *info ATTRIBUTE_UNUSED,
2947 struct elf_link_hash_entry *h)
2949 /* ??? Undefined symbols with PLT entries should be re-defined
2950 to be the PLT entry. */
2952 /* If this is a weak symbol, and there is a real definition, the
2953 processor independent code will have arranged for us to see the
2954 real definition first, and we can just use the same value. */
2955 if (h->u.weakdef != NULL)
2957 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
2958 || h->u.weakdef->root.type == bfd_link_hash_defweak);
2959 h->root.u.def.section = h->u.weakdef->root.u.def.section;
2960 h->root.u.def.value = h->u.weakdef->root.u.def.value;
2964 /* If this is a reference to a symbol defined by a dynamic object which
2965 is not a function, we might allocate the symbol in our .dynbss section
2966 and allocate a COPY dynamic relocation.
2968 But IA-64 code is canonically PIC, so as a rule we can avoid this sort
2975 elfNN_ia64_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
2976 struct bfd_link_info *info)
2978 struct elfNN_ia64_allocate_data data;
2979 struct elfNN_ia64_link_hash_table *ia64_info;
2982 bfd_boolean relplt = FALSE;
2984 dynobj = elf_hash_table(info)->dynobj;
2985 ia64_info = elfNN_ia64_hash_table (info);
2986 if (ia64_info == NULL)
2988 ia64_info->self_dtpmod_offset = (bfd_vma) -1;
2989 BFD_ASSERT(dynobj != NULL);
2992 /* Set the contents of the .interp section to the interpreter. */
2993 if (ia64_info->root.dynamic_sections_created
2994 && info->executable)
2996 sec = bfd_get_linker_section (dynobj, ".interp");
2997 BFD_ASSERT (sec != NULL);
2998 sec->contents = (bfd_byte *) ELF_DYNAMIC_INTERPRETER;
2999 sec->size = strlen (ELF_DYNAMIC_INTERPRETER) + 1;
3002 /* Allocate the GOT entries. */
3004 if (ia64_info->root.sgot)
3007 elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_global_data_got, &data);
3008 elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_global_fptr_got, &data);
3009 elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_local_got, &data);
3010 ia64_info->root.sgot->size = data.ofs;
3013 /* Allocate the FPTR entries. */
3015 if (ia64_info->fptr_sec)
3018 elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_fptr, &data);
3019 ia64_info->fptr_sec->size = data.ofs;
3022 /* Now that we've seen all of the input files, we can decide which
3023 symbols need plt entries. Allocate the minimal PLT entries first.
3024 We do this even though dynamic_sections_created may be FALSE, because
3025 this has the side-effect of clearing want_plt and want_plt2. */
3028 elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_plt_entries, &data);
3030 ia64_info->minplt_entries = 0;
3033 ia64_info->minplt_entries
3034 = (data.ofs - PLT_HEADER_SIZE) / PLT_MIN_ENTRY_SIZE;
3037 /* Align the pointer for the plt2 entries. */
3038 data.ofs = (data.ofs + 31) & (bfd_vma) -32;
3040 elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_plt2_entries, &data);
3041 if (data.ofs != 0 || ia64_info->root.dynamic_sections_created)
3043 /* FIXME: we always reserve the memory for dynamic linker even if
3044 there are no PLT entries since dynamic linker may assume the
3045 reserved memory always exists. */
3047 BFD_ASSERT (ia64_info->root.dynamic_sections_created);
3049 ia64_info->root.splt->size = data.ofs;
3051 /* If we've got a .plt, we need some extra memory for the dynamic
3052 linker. We stuff these in .got.plt. */
3053 sec = bfd_get_linker_section (dynobj, ".got.plt");
3054 sec->size = 8 * PLT_RESERVED_WORDS;
3057 /* Allocate the PLTOFF entries. */
3059 if (ia64_info->pltoff_sec)
3062 elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_pltoff_entries, &data);
3063 ia64_info->pltoff_sec->size = data.ofs;
3066 if (ia64_info->root.dynamic_sections_created)
3068 /* Allocate space for the dynamic relocations that turned out to be
3071 if (info->shared && ia64_info->self_dtpmod_offset != (bfd_vma) -1)
3072 ia64_info->root.srelgot->size += sizeof (ElfNN_External_Rela);
3073 data.only_got = FALSE;
3074 elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_dynrel_entries, &data);
3077 /* We have now determined the sizes of the various dynamic sections.
3078 Allocate memory for them. */
3079 for (sec = dynobj->sections; sec != NULL; sec = sec->next)
3083 if (!(sec->flags & SEC_LINKER_CREATED))
3086 /* If we don't need this section, strip it from the output file.
3087 There were several sections primarily related to dynamic
3088 linking that must be create before the linker maps input
3089 sections to output sections. The linker does that before
3090 bfd_elf_size_dynamic_sections is called, and it is that
3091 function which decides whether anything needs to go into
3094 strip = (sec->size == 0);
3096 if (sec == ia64_info->root.sgot)
3098 else if (sec == ia64_info->root.srelgot)
3101 ia64_info->root.srelgot = NULL;
3103 /* We use the reloc_count field as a counter if we need to
3104 copy relocs into the output file. */
3105 sec->reloc_count = 0;
3107 else if (sec == ia64_info->fptr_sec)
3110 ia64_info->fptr_sec = NULL;
3112 else if (sec == ia64_info->rel_fptr_sec)
3115 ia64_info->rel_fptr_sec = NULL;
3117 /* We use the reloc_count field as a counter if we need to
3118 copy relocs into the output file. */
3119 sec->reloc_count = 0;
3121 else if (sec == ia64_info->root.splt)
3124 ia64_info->root.splt = NULL;
3126 else if (sec == ia64_info->pltoff_sec)
3129 ia64_info->pltoff_sec = NULL;
3131 else if (sec == ia64_info->rel_pltoff_sec)
3134 ia64_info->rel_pltoff_sec = NULL;
3138 /* We use the reloc_count field as a counter if we need to
3139 copy relocs into the output file. */
3140 sec->reloc_count = 0;
3147 /* It's OK to base decisions on the section name, because none
3148 of the dynobj section names depend upon the input files. */
3149 name = bfd_get_section_name (dynobj, sec);
3151 if (strcmp (name, ".got.plt") == 0)
3153 else if (CONST_STRNEQ (name, ".rel"))
3157 /* We use the reloc_count field as a counter if we need to
3158 copy relocs into the output file. */
3159 sec->reloc_count = 0;
3167 sec->flags |= SEC_EXCLUDE;
3170 /* Allocate memory for the section contents. */
3171 sec->contents = (bfd_byte *) bfd_zalloc (dynobj, sec->size);
3172 if (sec->contents == NULL && sec->size != 0)
3177 if (elf_hash_table (info)->dynamic_sections_created)
3179 /* Add some entries to the .dynamic section. We fill in the values
3180 later (in finish_dynamic_sections) but we must add the entries now
3181 so that we get the correct size for the .dynamic section. */
3183 if (info->executable)
3185 /* The DT_DEBUG entry is filled in by the dynamic linker and used
3187 #define add_dynamic_entry(TAG, VAL) \
3188 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
3190 if (!add_dynamic_entry (DT_DEBUG, 0))
3194 if (!add_dynamic_entry (DT_IA_64_PLT_RESERVE, 0))
3196 if (!add_dynamic_entry (DT_PLTGOT, 0))
3201 if (!add_dynamic_entry (DT_PLTRELSZ, 0)
3202 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
3203 || !add_dynamic_entry (DT_JMPREL, 0))
3207 if (!add_dynamic_entry (DT_RELA, 0)
3208 || !add_dynamic_entry (DT_RELASZ, 0)
3209 || !add_dynamic_entry (DT_RELAENT, sizeof (ElfNN_External_Rela)))
3212 if (ia64_info->reltext)
3214 if (!add_dynamic_entry (DT_TEXTREL, 0))
3216 info->flags |= DF_TEXTREL;
3220 /* ??? Perhaps force __gp local. */
3226 elfNN_ia64_install_dyn_reloc (bfd *abfd, struct bfd_link_info *info,
3227 asection *sec, asection *srel,
3228 bfd_vma offset, unsigned int type,
3229 long dynindx, bfd_vma addend)
3231 Elf_Internal_Rela outrel;
3234 BFD_ASSERT (dynindx != -1);
3235 outrel.r_info = ELFNN_R_INFO (dynindx, type);
3236 outrel.r_addend = addend;
3237 outrel.r_offset = _bfd_elf_section_offset (abfd, info, sec, offset);
3238 if (outrel.r_offset >= (bfd_vma) -2)
3240 /* Run for the hills. We shouldn't be outputting a relocation
3241 for this. So do what everyone else does and output a no-op. */
3242 outrel.r_info = ELFNN_R_INFO (0, R_IA64_NONE);
3243 outrel.r_addend = 0;
3244 outrel.r_offset = 0;
3247 outrel.r_offset += sec->output_section->vma + sec->output_offset;
3249 loc = srel->contents;
3250 loc += srel->reloc_count++ * sizeof (ElfNN_External_Rela);
3251 bfd_elfNN_swap_reloca_out (abfd, &outrel, loc);
3252 BFD_ASSERT (sizeof (ElfNN_External_Rela) * srel->reloc_count <= srel->size);
3255 /* Store an entry for target address TARGET_ADDR in the linkage table
3256 and return the gp-relative address of the linkage table entry. */
3259 set_got_entry (bfd *abfd, struct bfd_link_info *info,
3260 struct elfNN_ia64_dyn_sym_info *dyn_i,
3261 long dynindx, bfd_vma addend, bfd_vma value,
3262 unsigned int dyn_r_type)
3264 struct elfNN_ia64_link_hash_table *ia64_info;
3269 ia64_info = elfNN_ia64_hash_table (info);
3270 if (ia64_info == NULL)
3273 got_sec = ia64_info->root.sgot;
3277 case R_IA64_TPREL64LSB:
3278 done = dyn_i->tprel_done;
3279 dyn_i->tprel_done = TRUE;
3280 got_offset = dyn_i->tprel_offset;
3282 case R_IA64_DTPMOD64LSB:
3283 if (dyn_i->dtpmod_offset != ia64_info->self_dtpmod_offset)
3285 done = dyn_i->dtpmod_done;
3286 dyn_i->dtpmod_done = TRUE;
3290 done = ia64_info->self_dtpmod_done;
3291 ia64_info->self_dtpmod_done = TRUE;
3294 got_offset = dyn_i->dtpmod_offset;
3296 case R_IA64_DTPREL32LSB:
3297 case R_IA64_DTPREL64LSB:
3298 done = dyn_i->dtprel_done;
3299 dyn_i->dtprel_done = TRUE;
3300 got_offset = dyn_i->dtprel_offset;
3303 done = dyn_i->got_done;
3304 dyn_i->got_done = TRUE;
3305 got_offset = dyn_i->got_offset;
3309 BFD_ASSERT ((got_offset & 7) == 0);
3313 /* Store the target address in the linkage table entry. */
3314 bfd_put_64 (abfd, value, got_sec->contents + got_offset);
3316 /* Install a dynamic relocation if needed. */
3319 || ELF_ST_VISIBILITY (dyn_i->h->other) == STV_DEFAULT
3320 || dyn_i->h->root.type != bfd_link_hash_undefweak)
3321 && dyn_r_type != R_IA64_DTPREL32LSB
3322 && dyn_r_type != R_IA64_DTPREL64LSB)
3323 || elfNN_ia64_dynamic_symbol_p (dyn_i->h, info, dyn_r_type)
3325 && (dyn_r_type == R_IA64_FPTR32LSB
3326 || dyn_r_type == R_IA64_FPTR64LSB)))
3327 && (!dyn_i->want_ltoff_fptr
3330 || dyn_i->h->root.type != bfd_link_hash_undefweak))
3333 && dyn_r_type != R_IA64_TPREL64LSB
3334 && dyn_r_type != R_IA64_DTPMOD64LSB
3335 && dyn_r_type != R_IA64_DTPREL32LSB
3336 && dyn_r_type != R_IA64_DTPREL64LSB)
3338 dyn_r_type = R_IA64_RELNNLSB;
3343 if (bfd_big_endian (abfd))
3347 case R_IA64_REL32LSB:
3348 dyn_r_type = R_IA64_REL32MSB;
3350 case R_IA64_DIR32LSB:
3351 dyn_r_type = R_IA64_DIR32MSB;
3353 case R_IA64_FPTR32LSB:
3354 dyn_r_type = R_IA64_FPTR32MSB;
3356 case R_IA64_DTPREL32LSB:
3357 dyn_r_type = R_IA64_DTPREL32MSB;
3359 case R_IA64_REL64LSB:
3360 dyn_r_type = R_IA64_REL64MSB;
3362 case R_IA64_DIR64LSB:
3363 dyn_r_type = R_IA64_DIR64MSB;
3365 case R_IA64_FPTR64LSB:
3366 dyn_r_type = R_IA64_FPTR64MSB;
3368 case R_IA64_TPREL64LSB:
3369 dyn_r_type = R_IA64_TPREL64MSB;
3371 case R_IA64_DTPMOD64LSB:
3372 dyn_r_type = R_IA64_DTPMOD64MSB;
3374 case R_IA64_DTPREL64LSB:
3375 dyn_r_type = R_IA64_DTPREL64MSB;
3383 elfNN_ia64_install_dyn_reloc (abfd, NULL, got_sec,
3384 ia64_info->root.srelgot,
3385 got_offset, dyn_r_type,
3390 /* Return the address of the linkage table entry. */
3391 value = (got_sec->output_section->vma
3392 + got_sec->output_offset
3398 /* Fill in a function descriptor consisting of the function's code
3399 address and its global pointer. Return the descriptor's address. */
3402 set_fptr_entry (bfd *abfd, struct bfd_link_info *info,
3403 struct elfNN_ia64_dyn_sym_info *dyn_i,
3406 struct elfNN_ia64_link_hash_table *ia64_info;
3409 ia64_info = elfNN_ia64_hash_table (info);
3410 if (ia64_info == NULL)
3413 fptr_sec = ia64_info->fptr_sec;
3415 if (!dyn_i->fptr_done)
3417 dyn_i->fptr_done = 1;
3419 /* Fill in the function descriptor. */
3420 bfd_put_64 (abfd, value, fptr_sec->contents + dyn_i->fptr_offset);
3421 bfd_put_64 (abfd, _bfd_get_gp_value (abfd),
3422 fptr_sec->contents + dyn_i->fptr_offset + 8);
3423 if (ia64_info->rel_fptr_sec)
3425 Elf_Internal_Rela outrel;
3428 if (bfd_little_endian (abfd))
3429 outrel.r_info = ELFNN_R_INFO (0, R_IA64_IPLTLSB);
3431 outrel.r_info = ELFNN_R_INFO (0, R_IA64_IPLTMSB);
3432 outrel.r_addend = value;
3433 outrel.r_offset = (fptr_sec->output_section->vma
3434 + fptr_sec->output_offset
3435 + dyn_i->fptr_offset);
3436 loc = ia64_info->rel_fptr_sec->contents;
3437 loc += ia64_info->rel_fptr_sec->reloc_count++
3438 * sizeof (ElfNN_External_Rela);
3439 bfd_elfNN_swap_reloca_out (abfd, &outrel, loc);
3443 /* Return the descriptor's address. */
3444 value = (fptr_sec->output_section->vma
3445 + fptr_sec->output_offset
3446 + dyn_i->fptr_offset);
3451 /* Fill in a PLTOFF entry consisting of the function's code address
3452 and its global pointer. Return the descriptor's address. */
3455 set_pltoff_entry (bfd *abfd, struct bfd_link_info *info,
3456 struct elfNN_ia64_dyn_sym_info *dyn_i,
3457 bfd_vma value, bfd_boolean is_plt)
3459 struct elfNN_ia64_link_hash_table *ia64_info;
3460 asection *pltoff_sec;
3462 ia64_info = elfNN_ia64_hash_table (info);
3463 if (ia64_info == NULL)
3466 pltoff_sec = ia64_info->pltoff_sec;
3468 /* Don't do anything if this symbol uses a real PLT entry. In
3469 that case, we'll fill this in during finish_dynamic_symbol. */
3470 if ((! dyn_i->want_plt || is_plt)
3471 && !dyn_i->pltoff_done)
3473 bfd_vma gp = _bfd_get_gp_value (abfd);
3475 /* Fill in the function descriptor. */
3476 bfd_put_64 (abfd, value, pltoff_sec->contents + dyn_i->pltoff_offset);
3477 bfd_put_64 (abfd, gp, pltoff_sec->contents + dyn_i->pltoff_offset + 8);
3479 /* Install dynamic relocations if needed. */
3483 || ELF_ST_VISIBILITY (dyn_i->h->other) == STV_DEFAULT
3484 || dyn_i->h->root.type != bfd_link_hash_undefweak))
3486 unsigned int dyn_r_type;
3488 if (bfd_big_endian (abfd))
3489 dyn_r_type = R_IA64_RELNNMSB;
3491 dyn_r_type = R_IA64_RELNNLSB;
3493 elfNN_ia64_install_dyn_reloc (abfd, NULL, pltoff_sec,
3494 ia64_info->rel_pltoff_sec,
3495 dyn_i->pltoff_offset,
3496 dyn_r_type, 0, value);
3497 elfNN_ia64_install_dyn_reloc (abfd, NULL, pltoff_sec,
3498 ia64_info->rel_pltoff_sec,
3499 dyn_i->pltoff_offset + ARCH_SIZE / 8,
3503 dyn_i->pltoff_done = 1;
3506 /* Return the descriptor's address. */
3507 value = (pltoff_sec->output_section->vma
3508 + pltoff_sec->output_offset
3509 + dyn_i->pltoff_offset);
3514 /* Return the base VMA address which should be subtracted from real addresses
3515 when resolving @tprel() relocation.
3516 Main program TLS (whose template starts at PT_TLS p_vaddr)
3517 is assigned offset round(2 * size of pointer, PT_TLS p_align). */
3520 elfNN_ia64_tprel_base (struct bfd_link_info *info)
3522 asection *tls_sec = elf_hash_table (info)->tls_sec;
3523 return tls_sec->vma - align_power ((bfd_vma) ARCH_SIZE / 4,
3524 tls_sec->alignment_power);
3527 /* Return the base VMA address which should be subtracted from real addresses
3528 when resolving @dtprel() relocation.
3529 This is PT_TLS segment p_vaddr. */
3532 elfNN_ia64_dtprel_base (struct bfd_link_info *info)
3534 return elf_hash_table (info)->tls_sec->vma;
3537 /* Called through qsort to sort the .IA_64.unwind section during a
3538 non-relocatable link. Set elfNN_ia64_unwind_entry_compare_bfd
3539 to the output bfd so we can do proper endianness frobbing. */
3541 static bfd *elfNN_ia64_unwind_entry_compare_bfd;
3544 elfNN_ia64_unwind_entry_compare (const void * a, const void * b)
3548 av = bfd_get_64 (elfNN_ia64_unwind_entry_compare_bfd, a);
3549 bv = bfd_get_64 (elfNN_ia64_unwind_entry_compare_bfd, b);
3551 return (av < bv ? -1 : av > bv ? 1 : 0);
3554 /* Make sure we've got ourselves a nice fat __gp value. */
3556 elfNN_ia64_choose_gp (bfd *abfd, struct bfd_link_info *info, bfd_boolean final)
3558 bfd_vma min_vma = (bfd_vma) -1, max_vma = 0;
3559 bfd_vma min_short_vma = min_vma, max_short_vma = 0;
3560 struct elf_link_hash_entry *gp;
3563 struct elfNN_ia64_link_hash_table *ia64_info;
3565 ia64_info = elfNN_ia64_hash_table (info);
3566 if (ia64_info == NULL)
3569 /* Find the min and max vma of all sections marked short. Also collect
3570 min and max vma of any type, for use in selecting a nice gp. */
3571 for (os = abfd->sections; os ; os = os->next)
3575 if ((os->flags & SEC_ALLOC) == 0)
3579 /* When this function is called from elfNN_ia64_final_link
3580 the correct value to use is os->size. When called from
3581 elfNN_ia64_relax_section we are in the middle of section
3582 sizing; some sections will already have os->size set, others
3583 will have os->size zero and os->rawsize the previous size. */
3584 hi = os->vma + (!final && os->rawsize ? os->rawsize : os->size);
3592 if (os->flags & SEC_SMALL_DATA)
3594 if (min_short_vma > lo)
3596 if (max_short_vma < hi)
3601 if (ia64_info->min_short_sec)
3604 > (ia64_info->min_short_sec->vma
3605 + ia64_info->min_short_offset))
3606 min_short_vma = (ia64_info->min_short_sec->vma
3607 + ia64_info->min_short_offset);
3609 < (ia64_info->max_short_sec->vma
3610 + ia64_info->max_short_offset))
3611 max_short_vma = (ia64_info->max_short_sec->vma
3612 + ia64_info->max_short_offset);
3615 /* See if the user wants to force a value. */
3616 gp = elf_link_hash_lookup (elf_hash_table (info), "__gp", FALSE,
3620 && (gp->root.type == bfd_link_hash_defined
3621 || gp->root.type == bfd_link_hash_defweak))
3623 asection *gp_sec = gp->root.u.def.section;
3624 gp_val = (gp->root.u.def.value
3625 + gp_sec->output_section->vma
3626 + gp_sec->output_offset);
3630 /* Pick a sensible value. */
3632 if (ia64_info->min_short_sec)
3634 bfd_vma short_range = max_short_vma - min_short_vma;
3636 /* If min_short_sec is set, pick one in the middle bewteen
3637 min_short_vma and max_short_vma. */
3638 if (short_range >= 0x400000)
3640 gp_val = min_short_vma + short_range / 2;
3644 asection *got_sec = ia64_info->root.sgot;
3646 /* Start with just the address of the .got. */
3648 gp_val = got_sec->output_section->vma;
3649 else if (max_short_vma != 0)
3650 gp_val = min_short_vma;
3651 else if (max_vma - min_vma < 0x200000)
3654 gp_val = max_vma - 0x200000 + 8;
3657 /* If it is possible to address the entire image, but we
3658 don't with the choice above, adjust. */
3659 if (max_vma - min_vma < 0x400000
3660 && (max_vma - gp_val >= 0x200000
3661 || gp_val - min_vma > 0x200000))
3662 gp_val = min_vma + 0x200000;
3663 else if (max_short_vma != 0)
3665 /* If we don't cover all the short data, adjust. */
3666 if (max_short_vma - gp_val >= 0x200000)
3667 gp_val = min_short_vma + 0x200000;
3669 /* If we're addressing stuff past the end, adjust back. */
3670 if (gp_val > max_vma)
3671 gp_val = max_vma - 0x200000 + 8;
3675 /* Validate whether all SHF_IA_64_SHORT sections are within
3676 range of the chosen GP. */
3678 if (max_short_vma != 0)
3680 if (max_short_vma - min_short_vma >= 0x400000)
3683 (*_bfd_error_handler)
3684 (_("%s: short data segment overflowed (0x%lx >= 0x400000)"),
3685 bfd_get_filename (abfd),
3686 (unsigned long) (max_short_vma - min_short_vma));
3689 else if ((gp_val > min_short_vma
3690 && gp_val - min_short_vma > 0x200000)
3691 || (gp_val < max_short_vma
3692 && max_short_vma - gp_val >= 0x200000))
3694 (*_bfd_error_handler)
3695 (_("%s: __gp does not cover short data segment"),
3696 bfd_get_filename (abfd));
3701 _bfd_set_gp_value (abfd, gp_val);
3707 elfNN_ia64_final_link (bfd *abfd, struct bfd_link_info *info)
3709 struct elfNN_ia64_link_hash_table *ia64_info;
3710 asection *unwind_output_sec;
3712 ia64_info = elfNN_ia64_hash_table (info);
3713 if (ia64_info == NULL)
3716 /* Make sure we've got ourselves a nice fat __gp value. */
3717 if (!info->relocatable)
3720 struct elf_link_hash_entry *gp;
3722 /* We assume after gp is set, section size will only decrease. We
3723 need to adjust gp for it. */
3724 _bfd_set_gp_value (abfd, 0);
3725 if (! elfNN_ia64_choose_gp (abfd, info, TRUE))
3727 gp_val = _bfd_get_gp_value (abfd);
3729 gp = elf_link_hash_lookup (elf_hash_table (info), "__gp", FALSE,
3733 gp->root.type = bfd_link_hash_defined;
3734 gp->root.u.def.value = gp_val;
3735 gp->root.u.def.section = bfd_abs_section_ptr;
3739 /* If we're producing a final executable, we need to sort the contents
3740 of the .IA_64.unwind section. Force this section to be relocated
3741 into memory rather than written immediately to the output file. */
3742 unwind_output_sec = NULL;
3743 if (!info->relocatable)
3745 asection *s = bfd_get_section_by_name (abfd, ELF_STRING_ia64_unwind);
3748 unwind_output_sec = s->output_section;
3749 unwind_output_sec->contents
3750 = bfd_malloc (unwind_output_sec->size);
3751 if (unwind_output_sec->contents == NULL)
3756 /* Invoke the regular ELF backend linker to do all the work. */
3757 if (!bfd_elf_final_link (abfd, info))
3760 if (unwind_output_sec)
3762 elfNN_ia64_unwind_entry_compare_bfd = abfd;
3763 qsort (unwind_output_sec->contents,
3764 (size_t) (unwind_output_sec->size / 24),
3766 elfNN_ia64_unwind_entry_compare);
3768 if (! bfd_set_section_contents (abfd, unwind_output_sec,
3769 unwind_output_sec->contents, (bfd_vma) 0,
3770 unwind_output_sec->size))
3778 elfNN_ia64_relocate_section (bfd *output_bfd,
3779 struct bfd_link_info *info,
3781 asection *input_section,
3783 Elf_Internal_Rela *relocs,
3784 Elf_Internal_Sym *local_syms,
3785 asection **local_sections)
3787 struct elfNN_ia64_link_hash_table *ia64_info;
3788 Elf_Internal_Shdr *symtab_hdr;
3789 Elf_Internal_Rela *rel;
3790 Elf_Internal_Rela *relend;
3792 bfd_boolean ret_val = TRUE; /* for non-fatal errors */
3795 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
3796 ia64_info = elfNN_ia64_hash_table (info);
3797 if (ia64_info == NULL)
3800 /* Infect various flags from the input section to the output section. */
3801 if (info->relocatable)
3805 flags = elf_section_data(input_section)->this_hdr.sh_flags;
3806 flags &= SHF_IA_64_NORECOV;
3808 elf_section_data(input_section->output_section)
3809 ->this_hdr.sh_flags |= flags;
3812 gp_val = _bfd_get_gp_value (output_bfd);
3813 srel = get_reloc_section (input_bfd, ia64_info, input_section, FALSE);
3816 relend = relocs + input_section->reloc_count;
3817 for (; rel < relend; ++rel)
3819 struct elf_link_hash_entry *h;
3820 struct elfNN_ia64_dyn_sym_info *dyn_i;
3821 bfd_reloc_status_type r;
3822 reloc_howto_type *howto;
3823 unsigned long r_symndx;
3824 Elf_Internal_Sym *sym;
3825 unsigned int r_type;
3829 bfd_boolean dynamic_symbol_p;
3830 bfd_boolean undef_weak_ref;
3832 r_type = ELFNN_R_TYPE (rel->r_info);
3833 if (r_type > R_IA64_MAX_RELOC_CODE)
3835 (*_bfd_error_handler)
3836 (_("%B: unknown relocation type %d"),
3837 input_bfd, (int) r_type);
3838 bfd_set_error (bfd_error_bad_value);
3843 howto = ia64_elf_lookup_howto (r_type);
3844 r_symndx = ELFNN_R_SYM (rel->r_info);
3848 undef_weak_ref = FALSE;
3850 if (r_symndx < symtab_hdr->sh_info)
3852 /* Reloc against local symbol. */
3854 sym = local_syms + r_symndx;
3855 sym_sec = local_sections[r_symndx];
3857 value = _bfd_elf_rela_local_sym (output_bfd, sym, &msec, rel);
3858 if (!info->relocatable
3859 && (sym_sec->flags & SEC_MERGE) != 0
3860 && ELF_ST_TYPE (sym->st_info) == STT_SECTION
3861 && sym_sec->sec_info_type == SEC_INFO_TYPE_MERGE)
3863 struct elfNN_ia64_local_hash_entry *loc_h;
3865 loc_h = get_local_sym_hash (ia64_info, input_bfd, rel, FALSE);
3866 if (loc_h && ! loc_h->sec_merge_done)
3868 struct elfNN_ia64_dyn_sym_info *dynent;
3871 for (count = loc_h->count, dynent = loc_h->info;
3877 _bfd_merged_section_offset (output_bfd, &msec,
3878 elf_section_data (msec)->
3882 dynent->addend -= sym->st_value;
3883 dynent->addend += msec->output_section->vma
3884 + msec->output_offset
3885 - sym_sec->output_section->vma
3886 - sym_sec->output_offset;
3889 /* We may have introduced duplicated entries. We need
3890 to remove them properly. */
3891 count = sort_dyn_sym_info (loc_h->info, loc_h->count);
3892 if (count != loc_h->count)
3894 loc_h->count = count;
3895 loc_h->sorted_count = count;
3898 loc_h->sec_merge_done = 1;
3904 bfd_boolean unresolved_reloc;
3906 struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (input_bfd);
3908 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
3909 r_symndx, symtab_hdr, sym_hashes,
3911 unresolved_reloc, warned);
3913 if (h->root.type == bfd_link_hash_undefweak)
3914 undef_weak_ref = TRUE;
3919 if (sym_sec != NULL && discarded_section (sym_sec))
3920 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
3921 rel, 1, relend, howto, 0, contents);
3923 if (info->relocatable)
3926 hit_addr = contents + rel->r_offset;
3927 value += rel->r_addend;
3928 dynamic_symbol_p = elfNN_ia64_dynamic_symbol_p (h, info, r_type);
3939 case R_IA64_DIR32MSB:
3940 case R_IA64_DIR32LSB:
3941 case R_IA64_DIR64MSB:
3942 case R_IA64_DIR64LSB:
3943 /* Install a dynamic relocation for this reloc. */
3944 if ((dynamic_symbol_p || info->shared)
3945 && r_symndx != STN_UNDEF
3946 && (input_section->flags & SEC_ALLOC) != 0)
3948 unsigned int dyn_r_type;
3952 BFD_ASSERT (srel != NULL);
3959 /* ??? People shouldn't be doing non-pic code in
3960 shared libraries nor dynamic executables. */
3961 (*_bfd_error_handler)
3962 (_("%B: non-pic code with imm relocation against dynamic symbol `%s'"),
3964 h ? h->root.root.string
3965 : bfd_elf_sym_name (input_bfd, symtab_hdr, sym,
3974 /* If we don't need dynamic symbol lookup, find a
3975 matching RELATIVE relocation. */
3976 dyn_r_type = r_type;
3977 if (dynamic_symbol_p)
3979 dynindx = h->dynindx;
3980 addend = rel->r_addend;
3987 case R_IA64_DIR32MSB:
3988 dyn_r_type = R_IA64_REL32MSB;
3990 case R_IA64_DIR32LSB:
3991 dyn_r_type = R_IA64_REL32LSB;
3993 case R_IA64_DIR64MSB:
3994 dyn_r_type = R_IA64_REL64MSB;
3996 case R_IA64_DIR64LSB:
3997 dyn_r_type = R_IA64_REL64LSB;
4007 elfNN_ia64_install_dyn_reloc (output_bfd, info, input_section,
4008 srel, rel->r_offset, dyn_r_type,
4013 case R_IA64_LTV32MSB:
4014 case R_IA64_LTV32LSB:
4015 case R_IA64_LTV64MSB:
4016 case R_IA64_LTV64LSB:
4017 r = ia64_elf_install_value (hit_addr, value, r_type);
4020 case R_IA64_GPREL22:
4021 case R_IA64_GPREL64I:
4022 case R_IA64_GPREL32MSB:
4023 case R_IA64_GPREL32LSB:
4024 case R_IA64_GPREL64MSB:
4025 case R_IA64_GPREL64LSB:
4026 if (dynamic_symbol_p)
4028 (*_bfd_error_handler)
4029 (_("%B: @gprel relocation against dynamic symbol %s"),
4031 h ? h->root.root.string
4032 : bfd_elf_sym_name (input_bfd, symtab_hdr, sym,
4038 r = ia64_elf_install_value (hit_addr, value, r_type);
4041 case R_IA64_LTOFF22:
4042 case R_IA64_LTOFF22X:
4043 case R_IA64_LTOFF64I:
4044 dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, FALSE);
4045 value = set_got_entry (input_bfd, info, dyn_i, (h ? h->dynindx : -1),
4046 rel->r_addend, value, R_IA64_DIRNNLSB);
4048 r = ia64_elf_install_value (hit_addr, value, r_type);
4051 case R_IA64_PLTOFF22:
4052 case R_IA64_PLTOFF64I:
4053 case R_IA64_PLTOFF64MSB:
4054 case R_IA64_PLTOFF64LSB:
4055 dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, FALSE);
4056 value = set_pltoff_entry (output_bfd, info, dyn_i, value, FALSE);
4058 r = ia64_elf_install_value (hit_addr, value, r_type);
4061 case R_IA64_FPTR64I:
4062 case R_IA64_FPTR32MSB:
4063 case R_IA64_FPTR32LSB:
4064 case R_IA64_FPTR64MSB:
4065 case R_IA64_FPTR64LSB:
4066 dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, FALSE);
4067 if (dyn_i->want_fptr)
4069 if (!undef_weak_ref)
4070 value = set_fptr_entry (output_bfd, info, dyn_i, value);
4072 if (!dyn_i->want_fptr || info->pie)
4075 unsigned int dyn_r_type = r_type;
4076 bfd_vma addend = rel->r_addend;
4078 /* Otherwise, we expect the dynamic linker to create
4081 if (dyn_i->want_fptr)
4083 if (r_type == R_IA64_FPTR64I)
4085 /* We can't represent this without a dynamic symbol.
4086 Adjust the relocation to be against an output
4087 section symbol, which are always present in the
4088 dynamic symbol table. */
4089 /* ??? People shouldn't be doing non-pic code in
4090 shared libraries. Hork. */
4091 (*_bfd_error_handler)
4092 (_("%B: linking non-pic code in a position independent executable"),
4099 dyn_r_type = r_type + R_IA64_RELNNLSB - R_IA64_FPTRNNLSB;
4103 if (h->dynindx != -1)
4104 dynindx = h->dynindx;
4106 dynindx = (_bfd_elf_link_lookup_local_dynindx
4107 (info, h->root.u.def.section->owner,
4108 global_sym_index (h)));
4113 dynindx = (_bfd_elf_link_lookup_local_dynindx
4114 (info, input_bfd, (long) r_symndx));
4118 elfNN_ia64_install_dyn_reloc (output_bfd, info, input_section,
4119 srel, rel->r_offset, dyn_r_type,
4123 r = ia64_elf_install_value (hit_addr, value, r_type);
4126 case R_IA64_LTOFF_FPTR22:
4127 case R_IA64_LTOFF_FPTR64I:
4128 case R_IA64_LTOFF_FPTR32MSB:
4129 case R_IA64_LTOFF_FPTR32LSB:
4130 case R_IA64_LTOFF_FPTR64MSB:
4131 case R_IA64_LTOFF_FPTR64LSB:
4135 dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, FALSE);
4136 if (dyn_i->want_fptr)
4138 BFD_ASSERT (h == NULL || h->dynindx == -1);
4139 if (!undef_weak_ref)
4140 value = set_fptr_entry (output_bfd, info, dyn_i, value);
4145 /* Otherwise, we expect the dynamic linker to create
4149 if (h->dynindx != -1)
4150 dynindx = h->dynindx;
4152 dynindx = (_bfd_elf_link_lookup_local_dynindx
4153 (info, h->root.u.def.section->owner,
4154 global_sym_index (h)));
4157 dynindx = (_bfd_elf_link_lookup_local_dynindx
4158 (info, input_bfd, (long) r_symndx));
4162 value = set_got_entry (output_bfd, info, dyn_i, dynindx,
4163 rel->r_addend, value, R_IA64_FPTRNNLSB);
4165 r = ia64_elf_install_value (hit_addr, value, r_type);
4169 case R_IA64_PCREL32MSB:
4170 case R_IA64_PCREL32LSB:
4171 case R_IA64_PCREL64MSB:
4172 case R_IA64_PCREL64LSB:
4173 /* Install a dynamic relocation for this reloc. */
4174 if (dynamic_symbol_p && r_symndx != STN_UNDEF)
4176 BFD_ASSERT (srel != NULL);
4178 elfNN_ia64_install_dyn_reloc (output_bfd, info, input_section,
4179 srel, rel->r_offset, r_type,
4180 h->dynindx, rel->r_addend);
4184 case R_IA64_PCREL21B:
4185 case R_IA64_PCREL60B:
4186 /* We should have created a PLT entry for any dynamic symbol. */
4189 dyn_i = get_dyn_sym_info (ia64_info, h, NULL, NULL, FALSE);
4191 if (dyn_i && dyn_i->want_plt2)
4193 /* Should have caught this earlier. */
4194 BFD_ASSERT (rel->r_addend == 0);
4196 value = (ia64_info->root.splt->output_section->vma
4197 + ia64_info->root.splt->output_offset
4198 + dyn_i->plt2_offset);
4202 /* Since there's no PLT entry, Validate that this is
4204 BFD_ASSERT (undef_weak_ref || sym_sec->output_section != NULL);
4206 /* If the symbol is undef_weak, we shouldn't be trying
4207 to call it. There's every chance that we'd wind up
4208 with an out-of-range fixup here. Don't bother setting
4209 any value at all. */
4215 case R_IA64_PCREL21BI:
4216 case R_IA64_PCREL21F:
4217 case R_IA64_PCREL21M:
4218 case R_IA64_PCREL22:
4219 case R_IA64_PCREL64I:
4220 /* The PCREL21BI reloc is specifically not intended for use with
4221 dynamic relocs. PCREL21F and PCREL21M are used for speculation
4222 fixup code, and thus probably ought not be dynamic. The
4223 PCREL22 and PCREL64I relocs aren't emitted as dynamic relocs. */
4224 if (dynamic_symbol_p)
4228 if (r_type == R_IA64_PCREL21BI)
4229 msg = _("%B: @internal branch to dynamic symbol %s");
4230 else if (r_type == R_IA64_PCREL21F || r_type == R_IA64_PCREL21M)
4231 msg = _("%B: speculation fixup to dynamic symbol %s");
4233 msg = _("%B: @pcrel relocation against dynamic symbol %s");
4234 (*_bfd_error_handler) (msg, input_bfd,
4235 h ? h->root.root.string
4236 : bfd_elf_sym_name (input_bfd,
4246 /* Make pc-relative. */
4247 value -= (input_section->output_section->vma
4248 + input_section->output_offset
4249 + rel->r_offset) & ~ (bfd_vma) 0x3;
4250 r = ia64_elf_install_value (hit_addr, value, r_type);
4253 case R_IA64_SEGREL32MSB:
4254 case R_IA64_SEGREL32LSB:
4255 case R_IA64_SEGREL64MSB:
4256 case R_IA64_SEGREL64LSB:
4258 /* Find the segment that contains the output_section. */
4259 Elf_Internal_Phdr *p = _bfd_elf_find_segment_containing_section
4260 (output_bfd, input_section->output_section);
4264 r = bfd_reloc_notsupported;
4268 /* The VMA of the segment is the vaddr of the associated
4270 if (value > p->p_vaddr)
4271 value -= p->p_vaddr;
4274 r = ia64_elf_install_value (hit_addr, value, r_type);
4279 case R_IA64_SECREL32MSB:
4280 case R_IA64_SECREL32LSB:
4281 case R_IA64_SECREL64MSB:
4282 case R_IA64_SECREL64LSB:
4283 /* Make output-section relative to section where the symbol
4284 is defined. PR 475 */
4286 value -= sym_sec->output_section->vma;
4287 r = ia64_elf_install_value (hit_addr, value, r_type);
4290 case R_IA64_IPLTMSB:
4291 case R_IA64_IPLTLSB:
4292 /* Install a dynamic relocation for this reloc. */
4293 if ((dynamic_symbol_p || info->shared)
4294 && (input_section->flags & SEC_ALLOC) != 0)
4296 BFD_ASSERT (srel != NULL);
4298 /* If we don't need dynamic symbol lookup, install two
4299 RELATIVE relocations. */
4300 if (!dynamic_symbol_p)
4302 unsigned int dyn_r_type;
4304 if (r_type == R_IA64_IPLTMSB)
4305 dyn_r_type = R_IA64_REL64MSB;
4307 dyn_r_type = R_IA64_REL64LSB;
4309 elfNN_ia64_install_dyn_reloc (output_bfd, info,
4311 srel, rel->r_offset,
4312 dyn_r_type, 0, value);
4313 elfNN_ia64_install_dyn_reloc (output_bfd, info,
4315 srel, rel->r_offset + 8,
4316 dyn_r_type, 0, gp_val);
4319 elfNN_ia64_install_dyn_reloc (output_bfd, info, input_section,
4320 srel, rel->r_offset, r_type,
4321 h->dynindx, rel->r_addend);
4324 if (r_type == R_IA64_IPLTMSB)
4325 r_type = R_IA64_DIR64MSB;
4327 r_type = R_IA64_DIR64LSB;
4328 ia64_elf_install_value (hit_addr, value, r_type);
4329 r = ia64_elf_install_value (hit_addr + 8, gp_val, r_type);
4332 case R_IA64_TPREL14:
4333 case R_IA64_TPREL22:
4334 case R_IA64_TPREL64I:
4335 if (elf_hash_table (info)->tls_sec == NULL)
4336 goto missing_tls_sec;
4337 value -= elfNN_ia64_tprel_base (info);
4338 r = ia64_elf_install_value (hit_addr, value, r_type);
4341 case R_IA64_DTPREL14:
4342 case R_IA64_DTPREL22:
4343 case R_IA64_DTPREL64I:
4344 case R_IA64_DTPREL32LSB:
4345 case R_IA64_DTPREL32MSB:
4346 case R_IA64_DTPREL64LSB:
4347 case R_IA64_DTPREL64MSB:
4348 if (elf_hash_table (info)->tls_sec == NULL)
4349 goto missing_tls_sec;
4350 value -= elfNN_ia64_dtprel_base (info);
4351 r = ia64_elf_install_value (hit_addr, value, r_type);
4354 case R_IA64_LTOFF_TPREL22:
4355 case R_IA64_LTOFF_DTPMOD22:
4356 case R_IA64_LTOFF_DTPREL22:
4359 long dynindx = h ? h->dynindx : -1;
4360 bfd_vma r_addend = rel->r_addend;
4365 case R_IA64_LTOFF_TPREL22:
4366 if (!dynamic_symbol_p)
4368 if (elf_hash_table (info)->tls_sec == NULL)
4369 goto missing_tls_sec;
4371 value -= elfNN_ia64_tprel_base (info);
4374 r_addend += value - elfNN_ia64_dtprel_base (info);
4378 got_r_type = R_IA64_TPREL64LSB;
4380 case R_IA64_LTOFF_DTPMOD22:
4381 if (!dynamic_symbol_p && !info->shared)
4383 got_r_type = R_IA64_DTPMOD64LSB;
4385 case R_IA64_LTOFF_DTPREL22:
4386 if (!dynamic_symbol_p)
4388 if (elf_hash_table (info)->tls_sec == NULL)
4389 goto missing_tls_sec;
4390 value -= elfNN_ia64_dtprel_base (info);
4392 got_r_type = R_IA64_DTPRELNNLSB;
4395 dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, FALSE);
4396 value = set_got_entry (input_bfd, info, dyn_i, dynindx, r_addend,
4399 r = ia64_elf_install_value (hit_addr, value, r_type);
4404 r = bfd_reloc_notsupported;
4413 case bfd_reloc_undefined:
4414 /* This can happen for global table relative relocs if
4415 __gp is undefined. This is a panic situation so we
4416 don't try to continue. */
4417 (*info->callbacks->undefined_symbol)
4418 (info, "__gp", input_bfd, input_section, rel->r_offset, 1);
4421 case bfd_reloc_notsupported:
4426 name = h->root.root.string;
4428 name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym,
4430 if (!(*info->callbacks->warning) (info, _("unsupported reloc"),
4432 input_section, rel->r_offset))
4438 case bfd_reloc_dangerous:
4439 case bfd_reloc_outofrange:
4440 case bfd_reloc_overflow:
4447 name = h->root.root.string;
4449 name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym,
4454 case R_IA64_TPREL14:
4455 case R_IA64_TPREL22:
4456 case R_IA64_TPREL64I:
4457 case R_IA64_DTPREL14:
4458 case R_IA64_DTPREL22:
4459 case R_IA64_DTPREL64I:
4460 case R_IA64_DTPREL32LSB:
4461 case R_IA64_DTPREL32MSB:
4462 case R_IA64_DTPREL64LSB:
4463 case R_IA64_DTPREL64MSB:
4464 case R_IA64_LTOFF_TPREL22:
4465 case R_IA64_LTOFF_DTPMOD22:
4466 case R_IA64_LTOFF_DTPREL22:
4467 (*_bfd_error_handler)
4468 (_("%B: missing TLS section for relocation %s against `%s' at 0x%lx in section `%A'."),
4469 input_bfd, input_section, howto->name, name,
4473 case R_IA64_PCREL21B:
4474 case R_IA64_PCREL21BI:
4475 case R_IA64_PCREL21M:
4476 case R_IA64_PCREL21F:
4477 if (is_elf_hash_table (info->hash))
4479 /* Relaxtion is always performed for ELF output.
4480 Overflow failures for those relocations mean
4481 that the section is too big to relax. */
4482 (*_bfd_error_handler)
4483 (_("%B: Can't relax br (%s) to `%s' at 0x%lx in section `%A' with size 0x%lx (> 0x1000000)."),
4484 input_bfd, input_section, howto->name, name,
4485 rel->r_offset, input_section->size);
4489 if (!(*info->callbacks->reloc_overflow) (info,
4511 elfNN_ia64_finish_dynamic_symbol (bfd *output_bfd,
4512 struct bfd_link_info *info,
4513 struct elf_link_hash_entry *h,
4514 Elf_Internal_Sym *sym)
4516 struct elfNN_ia64_link_hash_table *ia64_info;
4517 struct elfNN_ia64_dyn_sym_info *dyn_i;
4519 ia64_info = elfNN_ia64_hash_table (info);
4520 if (ia64_info == NULL)
4523 dyn_i = get_dyn_sym_info (ia64_info, h, NULL, NULL, FALSE);
4525 /* Fill in the PLT data, if required. */
4526 if (dyn_i && dyn_i->want_plt)
4528 Elf_Internal_Rela outrel;
4531 bfd_vma plt_addr, pltoff_addr, gp_val, plt_index;
4533 gp_val = _bfd_get_gp_value (output_bfd);
4535 /* Initialize the minimal PLT entry. */
4537 plt_index = (dyn_i->plt_offset - PLT_HEADER_SIZE) / PLT_MIN_ENTRY_SIZE;
4538 plt_sec = ia64_info->root.splt;
4539 loc = plt_sec->contents + dyn_i->plt_offset;
4541 memcpy (loc, plt_min_entry, PLT_MIN_ENTRY_SIZE);
4542 ia64_elf_install_value (loc, plt_index, R_IA64_IMM22);
4543 ia64_elf_install_value (loc+2, -dyn_i->plt_offset, R_IA64_PCREL21B);
4545 plt_addr = (plt_sec->output_section->vma
4546 + plt_sec->output_offset
4547 + dyn_i->plt_offset);
4548 pltoff_addr = set_pltoff_entry (output_bfd, info, dyn_i, plt_addr, TRUE);
4550 /* Initialize the FULL PLT entry, if needed. */
4551 if (dyn_i->want_plt2)
4553 loc = plt_sec->contents + dyn_i->plt2_offset;
4555 memcpy (loc, plt_full_entry, PLT_FULL_ENTRY_SIZE);
4556 ia64_elf_install_value (loc, pltoff_addr - gp_val, R_IA64_IMM22);
4558 /* Mark the symbol as undefined, rather than as defined in the
4559 plt section. Leave the value alone. */
4560 /* ??? We didn't redefine it in adjust_dynamic_symbol in the
4561 first place. But perhaps elflink.c did some for us. */
4562 if (!h->def_regular)
4563 sym->st_shndx = SHN_UNDEF;
4566 /* Create the dynamic relocation. */
4567 outrel.r_offset = pltoff_addr;
4568 if (bfd_little_endian (output_bfd))
4569 outrel.r_info = ELFNN_R_INFO (h->dynindx, R_IA64_IPLTLSB);
4571 outrel.r_info = ELFNN_R_INFO (h->dynindx, R_IA64_IPLTMSB);
4572 outrel.r_addend = 0;
4574 /* This is fun. In the .IA_64.pltoff section, we've got entries
4575 that correspond both to real PLT entries, and those that
4576 happened to resolve to local symbols but need to be created
4577 to satisfy @pltoff relocations. The .rela.IA_64.pltoff
4578 relocations for the real PLT should come at the end of the
4579 section, so that they can be indexed by plt entry at runtime.
4581 We emitted all of the relocations for the non-PLT @pltoff
4582 entries during relocate_section. So we can consider the
4583 existing sec->reloc_count to be the base of the array of
4586 loc = ia64_info->rel_pltoff_sec->contents;
4587 loc += ((ia64_info->rel_pltoff_sec->reloc_count + plt_index)
4588 * sizeof (ElfNN_External_Rela));
4589 bfd_elfNN_swap_reloca_out (output_bfd, &outrel, loc);
4592 /* Mark some specially defined symbols as absolute. */
4593 if (h == ia64_info->root.hdynamic
4594 || h == ia64_info->root.hgot
4595 || h == ia64_info->root.hplt)
4596 sym->st_shndx = SHN_ABS;
4602 elfNN_ia64_finish_dynamic_sections (bfd *abfd,
4603 struct bfd_link_info *info)
4605 struct elfNN_ia64_link_hash_table *ia64_info;
4608 ia64_info = elfNN_ia64_hash_table (info);
4609 if (ia64_info == NULL)
4612 dynobj = ia64_info->root.dynobj;
4614 if (elf_hash_table (info)->dynamic_sections_created)
4616 ElfNN_External_Dyn *dyncon, *dynconend;
4617 asection *sdyn, *sgotplt;
4620 sdyn = bfd_get_linker_section (dynobj, ".dynamic");
4621 sgotplt = bfd_get_linker_section (dynobj, ".got.plt");
4622 BFD_ASSERT (sdyn != NULL);
4623 dyncon = (ElfNN_External_Dyn *) sdyn->contents;
4624 dynconend = (ElfNN_External_Dyn *) (sdyn->contents + sdyn->size);
4626 gp_val = _bfd_get_gp_value (abfd);
4628 for (; dyncon < dynconend; dyncon++)
4630 Elf_Internal_Dyn dyn;
4632 bfd_elfNN_swap_dyn_in (dynobj, dyncon, &dyn);
4637 dyn.d_un.d_ptr = gp_val;
4641 dyn.d_un.d_val = (ia64_info->minplt_entries
4642 * sizeof (ElfNN_External_Rela));
4646 /* See the comment above in finish_dynamic_symbol. */
4647 dyn.d_un.d_ptr = (ia64_info->rel_pltoff_sec->output_section->vma
4648 + ia64_info->rel_pltoff_sec->output_offset
4649 + (ia64_info->rel_pltoff_sec->reloc_count
4650 * sizeof (ElfNN_External_Rela)));
4653 case DT_IA_64_PLT_RESERVE:
4654 dyn.d_un.d_ptr = (sgotplt->output_section->vma
4655 + sgotplt->output_offset);
4659 /* Do not have RELASZ include JMPREL. This makes things
4660 easier on ld.so. This is not what the rest of BFD set up. */
4661 dyn.d_un.d_val -= (ia64_info->minplt_entries
4662 * sizeof (ElfNN_External_Rela));
4666 bfd_elfNN_swap_dyn_out (abfd, &dyn, dyncon);
4669 /* Initialize the PLT0 entry. */
4670 if (ia64_info->root.splt)
4672 bfd_byte *loc = ia64_info->root.splt->contents;
4675 memcpy (loc, plt_header, PLT_HEADER_SIZE);
4677 pltres = (sgotplt->output_section->vma
4678 + sgotplt->output_offset
4681 ia64_elf_install_value (loc+1, pltres, R_IA64_GPREL22);
4688 /* ELF file flag handling: */
4690 /* Function to keep IA-64 specific file flags. */
4692 elfNN_ia64_set_private_flags (bfd *abfd, flagword flags)
4694 BFD_ASSERT (!elf_flags_init (abfd)
4695 || elf_elfheader (abfd)->e_flags == flags);
4697 elf_elfheader (abfd)->e_flags = flags;
4698 elf_flags_init (abfd) = TRUE;
4702 /* Merge backend specific data from an object file to the output
4703 object file when linking. */
4705 elfNN_ia64_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
4709 bfd_boolean ok = TRUE;
4711 /* Don't even pretend to support mixed-format linking. */
4712 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
4713 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
4716 in_flags = elf_elfheader (ibfd)->e_flags;
4717 out_flags = elf_elfheader (obfd)->e_flags;
4719 if (! elf_flags_init (obfd))
4721 elf_flags_init (obfd) = TRUE;
4722 elf_elfheader (obfd)->e_flags = in_flags;
4724 if (bfd_get_arch (obfd) == bfd_get_arch (ibfd)
4725 && bfd_get_arch_info (obfd)->the_default)
4727 return bfd_set_arch_mach (obfd, bfd_get_arch (ibfd),
4728 bfd_get_mach (ibfd));
4734 /* Check flag compatibility. */
4735 if (in_flags == out_flags)
4738 /* Output has EF_IA_64_REDUCEDFP set only if all inputs have it set. */
4739 if (!(in_flags & EF_IA_64_REDUCEDFP) && (out_flags & EF_IA_64_REDUCEDFP))
4740 elf_elfheader (obfd)->e_flags &= ~EF_IA_64_REDUCEDFP;
4742 if ((in_flags & EF_IA_64_TRAPNIL) != (out_flags & EF_IA_64_TRAPNIL))
4744 (*_bfd_error_handler)
4745 (_("%B: linking trap-on-NULL-dereference with non-trapping files"),
4748 bfd_set_error (bfd_error_bad_value);
4751 if ((in_flags & EF_IA_64_BE) != (out_flags & EF_IA_64_BE))
4753 (*_bfd_error_handler)
4754 (_("%B: linking big-endian files with little-endian files"),
4757 bfd_set_error (bfd_error_bad_value);
4760 if ((in_flags & EF_IA_64_ABI64) != (out_flags & EF_IA_64_ABI64))
4762 (*_bfd_error_handler)
4763 (_("%B: linking 64-bit files with 32-bit files"),
4766 bfd_set_error (bfd_error_bad_value);
4769 if ((in_flags & EF_IA_64_CONS_GP) != (out_flags & EF_IA_64_CONS_GP))
4771 (*_bfd_error_handler)
4772 (_("%B: linking constant-gp files with non-constant-gp files"),
4775 bfd_set_error (bfd_error_bad_value);
4778 if ((in_flags & EF_IA_64_NOFUNCDESC_CONS_GP)
4779 != (out_flags & EF_IA_64_NOFUNCDESC_CONS_GP))
4781 (*_bfd_error_handler)
4782 (_("%B: linking auto-pic files with non-auto-pic files"),
4785 bfd_set_error (bfd_error_bad_value);
4793 elfNN_ia64_print_private_bfd_data (bfd *abfd, void * ptr)
4795 FILE *file = (FILE *) ptr;
4796 flagword flags = elf_elfheader (abfd)->e_flags;
4798 BFD_ASSERT (abfd != NULL && ptr != NULL);
4800 fprintf (file, "private flags = %s%s%s%s%s%s%s%s\n",
4801 (flags & EF_IA_64_TRAPNIL) ? "TRAPNIL, " : "",
4802 (flags & EF_IA_64_EXT) ? "EXT, " : "",
4803 (flags & EF_IA_64_BE) ? "BE, " : "LE, ",
4804 (flags & EF_IA_64_REDUCEDFP) ? "REDUCEDFP, " : "",
4805 (flags & EF_IA_64_CONS_GP) ? "CONS_GP, " : "",
4806 (flags & EF_IA_64_NOFUNCDESC_CONS_GP) ? "NOFUNCDESC_CONS_GP, " : "",
4807 (flags & EF_IA_64_ABSOLUTE) ? "ABSOLUTE, " : "",
4808 (flags & EF_IA_64_ABI64) ? "ABI64" : "ABI32");
4810 _bfd_elf_print_private_bfd_data (abfd, ptr);
4814 static enum elf_reloc_type_class
4815 elfNN_ia64_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
4816 const asection *rel_sec ATTRIBUTE_UNUSED,
4817 const Elf_Internal_Rela *rela)
4819 switch ((int) ELFNN_R_TYPE (rela->r_info))
4821 case R_IA64_REL32MSB:
4822 case R_IA64_REL32LSB:
4823 case R_IA64_REL64MSB:
4824 case R_IA64_REL64LSB:
4825 return reloc_class_relative;
4826 case R_IA64_IPLTMSB:
4827 case R_IA64_IPLTLSB:
4828 return reloc_class_plt;
4830 return reloc_class_copy;
4832 return reloc_class_normal;
4836 static const struct bfd_elf_special_section elfNN_ia64_special_sections[] =
4838 { STRING_COMMA_LEN (".sbss"), -1, SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_IA_64_SHORT },
4839 { STRING_COMMA_LEN (".sdata"), -1, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_IA_64_SHORT },
4840 { NULL, 0, 0, 0, 0 }
4844 elfNN_ia64_object_p (bfd *abfd)
4847 asection *group, *unwi, *unw;
4850 char *unwi_name, *unw_name;
4853 if (abfd->flags & DYNAMIC)
4856 /* Flags for fake group section. */
4857 flags = (SEC_LINKER_CREATED | SEC_GROUP | SEC_LINK_ONCE
4860 /* We add a fake section group for each .gnu.linkonce.t.* section,
4861 which isn't in a section group, and its unwind sections. */
4862 for (sec = abfd->sections; sec != NULL; sec = sec->next)
4864 if (elf_sec_group (sec) == NULL
4865 && ((sec->flags & (SEC_LINK_ONCE | SEC_CODE | SEC_GROUP))
4866 == (SEC_LINK_ONCE | SEC_CODE))
4867 && CONST_STRNEQ (sec->name, ".gnu.linkonce.t."))
4869 name = sec->name + 16;
4871 amt = strlen (name) + sizeof (".gnu.linkonce.ia64unwi.");
4872 unwi_name = bfd_alloc (abfd, amt);
4876 strcpy (stpcpy (unwi_name, ".gnu.linkonce.ia64unwi."), name);
4877 unwi = bfd_get_section_by_name (abfd, unwi_name);
4879 amt = strlen (name) + sizeof (".gnu.linkonce.ia64unw.");
4880 unw_name = bfd_alloc (abfd, amt);
4884 strcpy (stpcpy (unw_name, ".gnu.linkonce.ia64unw."), name);
4885 unw = bfd_get_section_by_name (abfd, unw_name);
4887 /* We need to create a fake group section for it and its
4889 group = bfd_make_section_anyway_with_flags (abfd, name,
4894 /* Move the fake group section to the beginning. */
4895 bfd_section_list_remove (abfd, group);
4896 bfd_section_list_prepend (abfd, group);
4898 elf_next_in_group (group) = sec;
4900 elf_group_name (sec) = name;
4901 elf_next_in_group (sec) = sec;
4902 elf_sec_group (sec) = group;
4906 elf_group_name (unwi) = name;
4907 elf_next_in_group (unwi) = sec;
4908 elf_next_in_group (sec) = unwi;
4909 elf_sec_group (unwi) = group;
4914 elf_group_name (unw) = name;
4917 elf_next_in_group (unw) = elf_next_in_group (unwi);
4918 elf_next_in_group (unwi) = unw;
4922 elf_next_in_group (unw) = sec;
4923 elf_next_in_group (sec) = unw;
4925 elf_sec_group (unw) = group;
4928 /* Fake SHT_GROUP section header. */
4929 elf_section_data (group)->this_hdr.bfd_section = group;
4930 elf_section_data (group)->this_hdr.sh_type = SHT_GROUP;
4937 elfNN_ia64_hpux_vec (const bfd_target *vec)
4939 extern const bfd_target bfd_elfNN_ia64_hpux_big_vec;
4940 return (vec == & bfd_elfNN_ia64_hpux_big_vec);
4944 elfNN_hpux_post_process_headers (bfd *abfd,
4945 struct bfd_link_info *info ATTRIBUTE_UNUSED)
4947 Elf_Internal_Ehdr *i_ehdrp = elf_elfheader (abfd);
4949 i_ehdrp->e_ident[EI_OSABI] = get_elf_backend_data (abfd)->elf_osabi;
4950 i_ehdrp->e_ident[EI_ABIVERSION] = 1;
4954 elfNN_hpux_backend_section_from_bfd_section (bfd *abfd ATTRIBUTE_UNUSED,
4955 asection *sec, int *retval)
4957 if (bfd_is_com_section (sec))
4959 *retval = SHN_IA_64_ANSI_COMMON;
4966 elfNN_hpux_backend_symbol_processing (bfd *abfd ATTRIBUTE_UNUSED,
4969 elf_symbol_type *elfsym = (elf_symbol_type *) asym;
4971 switch (elfsym->internal_elf_sym.st_shndx)
4973 case SHN_IA_64_ANSI_COMMON:
4974 asym->section = bfd_com_section_ptr;
4975 asym->value = elfsym->internal_elf_sym.st_size;
4976 asym->flags &= ~BSF_GLOBAL;
4981 #define TARGET_LITTLE_SYM bfd_elfNN_ia64_little_vec
4982 #define TARGET_LITTLE_NAME "elfNN-ia64-little"
4983 #define TARGET_BIG_SYM bfd_elfNN_ia64_big_vec
4984 #define TARGET_BIG_NAME "elfNN-ia64-big"
4985 #define ELF_ARCH bfd_arch_ia64
4986 #define ELF_TARGET_ID IA64_ELF_DATA
4987 #define ELF_MACHINE_CODE EM_IA_64
4988 #define ELF_MACHINE_ALT1 1999 /* EAS2.3 */
4989 #define ELF_MACHINE_ALT2 1998 /* EAS2.2 */
4990 #define ELF_MAXPAGESIZE 0x10000 /* 64KB */
4991 #define ELF_COMMONPAGESIZE 0x4000 /* 16KB */
4993 #define elf_backend_section_from_shdr \
4994 elfNN_ia64_section_from_shdr
4995 #define elf_backend_section_flags \
4996 elfNN_ia64_section_flags
4997 #define elf_backend_fake_sections \
4998 elfNN_ia64_fake_sections
4999 #define elf_backend_final_write_processing \
5000 elfNN_ia64_final_write_processing
5001 #define elf_backend_add_symbol_hook \
5002 elfNN_ia64_add_symbol_hook
5003 #define elf_backend_additional_program_headers \
5004 elfNN_ia64_additional_program_headers
5005 #define elf_backend_modify_segment_map \
5006 elfNN_ia64_modify_segment_map
5007 #define elf_backend_modify_program_headers \
5008 elfNN_ia64_modify_program_headers
5009 #define elf_info_to_howto \
5010 elfNN_ia64_info_to_howto
5012 #define bfd_elfNN_bfd_reloc_type_lookup \
5013 ia64_elf_reloc_type_lookup
5014 #define bfd_elfNN_bfd_reloc_name_lookup \
5015 ia64_elf_reloc_name_lookup
5016 #define bfd_elfNN_bfd_is_local_label_name \
5017 elfNN_ia64_is_local_label_name
5018 #define bfd_elfNN_bfd_relax_section \
5019 elfNN_ia64_relax_section
5021 #define elf_backend_object_p \
5024 /* Stuff for the BFD linker: */
5025 #define bfd_elfNN_bfd_link_hash_table_create \
5026 elfNN_ia64_hash_table_create
5027 #define bfd_elfNN_bfd_link_hash_table_free \
5028 elfNN_ia64_hash_table_free
5029 #define elf_backend_create_dynamic_sections \
5030 elfNN_ia64_create_dynamic_sections
5031 #define elf_backend_check_relocs \
5032 elfNN_ia64_check_relocs
5033 #define elf_backend_adjust_dynamic_symbol \
5034 elfNN_ia64_adjust_dynamic_symbol
5035 #define elf_backend_size_dynamic_sections \
5036 elfNN_ia64_size_dynamic_sections
5037 #define elf_backend_omit_section_dynsym \
5038 ((bfd_boolean (*) (bfd *, struct bfd_link_info *, asection *)) bfd_true)
5039 #define elf_backend_relocate_section \
5040 elfNN_ia64_relocate_section
5041 #define elf_backend_finish_dynamic_symbol \
5042 elfNN_ia64_finish_dynamic_symbol
5043 #define elf_backend_finish_dynamic_sections \
5044 elfNN_ia64_finish_dynamic_sections
5045 #define bfd_elfNN_bfd_final_link \
5046 elfNN_ia64_final_link
5048 #define bfd_elfNN_bfd_merge_private_bfd_data \
5049 elfNN_ia64_merge_private_bfd_data
5050 #define bfd_elfNN_bfd_set_private_flags \
5051 elfNN_ia64_set_private_flags
5052 #define bfd_elfNN_bfd_print_private_bfd_data \
5053 elfNN_ia64_print_private_bfd_data
5055 #define elf_backend_plt_readonly 1
5056 #define elf_backend_want_plt_sym 0
5057 #define elf_backend_plt_alignment 5
5058 #define elf_backend_got_header_size 0
5059 #define elf_backend_want_got_plt 1
5060 #define elf_backend_may_use_rel_p 1
5061 #define elf_backend_may_use_rela_p 1
5062 #define elf_backend_default_use_rela_p 1
5063 #define elf_backend_want_dynbss 0
5064 #define elf_backend_copy_indirect_symbol elfNN_ia64_hash_copy_indirect
5065 #define elf_backend_hide_symbol elfNN_ia64_hash_hide_symbol
5066 #define elf_backend_fixup_symbol _bfd_elf_link_hash_fixup_symbol
5067 #define elf_backend_reloc_type_class elfNN_ia64_reloc_type_class
5068 #define elf_backend_rela_normal 1
5069 #define elf_backend_special_sections elfNN_ia64_special_sections
5070 #define elf_backend_default_execstack 0
5072 /* FIXME: PR 290: The Intel C compiler generates SHT_IA_64_UNWIND with
5073 SHF_LINK_ORDER. But it doesn't set the sh_link or sh_info fields.
5074 We don't want to flood users with so many error messages. We turn
5075 off the warning for now. It will be turned on later when the Intel
5076 compiler is fixed. */
5077 #define elf_backend_link_order_error_handler NULL
5079 #include "elfNN-target.h"
5081 /* HPUX-specific vectors. */
5083 #undef TARGET_LITTLE_SYM
5084 #undef TARGET_LITTLE_NAME
5085 #undef TARGET_BIG_SYM
5086 #define TARGET_BIG_SYM bfd_elfNN_ia64_hpux_big_vec
5087 #undef TARGET_BIG_NAME
5088 #define TARGET_BIG_NAME "elfNN-ia64-hpux-big"
5090 /* These are HP-UX specific functions. */
5092 #undef elf_backend_post_process_headers
5093 #define elf_backend_post_process_headers elfNN_hpux_post_process_headers
5095 #undef elf_backend_section_from_bfd_section
5096 #define elf_backend_section_from_bfd_section elfNN_hpux_backend_section_from_bfd_section
5098 #undef elf_backend_symbol_processing
5099 #define elf_backend_symbol_processing elfNN_hpux_backend_symbol_processing
5101 #undef elf_backend_want_p_paddr_set_to_zero
5102 #define elf_backend_want_p_paddr_set_to_zero 1
5104 #undef ELF_COMMONPAGESIZE
5106 #define ELF_OSABI ELFOSABI_HPUX
5109 #define elfNN_bed elfNN_ia64_hpux_bed
5111 #include "elfNN-target.h"