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cbe79dfe 1/* IA-64 support for 64-bit ELF
6f2750fe 2 Copyright (C) 1998-2016 Free Software Foundation, Inc.
cbe79dfe
TG		 3 Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
4
5 This file is part of BFD, the Binary File Descriptor library.
6
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.
11
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.
16
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. */
21
22#include "sysdep.h"
23#include "bfd.h"
24#include "libbfd.h"
25#include "elf-bfd.h"
26#include "opcode/ia64.h"
27#include "elf/ia64.h"
28#include "objalloc.h"
29#include "hashtab.h"
30#include "bfd_stdint.h"
31#include "elfxx-ia64.h"
32
33#define ARCH_SIZE NN
34
35#if ARCH_SIZE == 64
36#define LOG_SECTION_ALIGN 3
37#endif
38
39#if ARCH_SIZE == 32
40#define LOG_SECTION_ALIGN 2
41#endif
42
cbe79dfe
TG		 43typedef struct bfd_hash_entry *(*new_hash_entry_func)
44 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
45
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. */
49
50struct elfNN_ia64_dyn_sym_info
51{
52 /* The addend for which this entry is relevant. */
53 bfd_vma addend;
54
55 bfd_vma got_offset;
56 bfd_vma fptr_offset;
57 bfd_vma pltoff_offset;
58 bfd_vma plt_offset;
59 bfd_vma plt2_offset;
60 bfd_vma tprel_offset;
61 bfd_vma dtpmod_offset;
62 bfd_vma dtprel_offset;
63
64 /* The symbol table entry, if any, that this was derived from. */
65 struct elf_link_hash_entry *h;
66
67 /* Used to count non-got, non-plt relocations for delayed sizing
68 of relocation sections. */
69 struct elfNN_ia64_dyn_reloc_entry
70 {
71 struct elfNN_ia64_dyn_reloc_entry *next;
72 asection *srel;
73 int type;
74 int count;
75
76 /* Is this reloc against readonly section? */
77 bfd_boolean reltext;
78 } *reloc_entries;
79
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;
87
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;
99};
100
101struct elfNN_ia64_local_hash_entry
102{
103 int id;
104 unsigned int r_sym;
105 /* The number of elements in elfNN_ia64_dyn_sym_info array. */
106 unsigned int count;
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. */
110 unsigned int size;
111 /* The array of elfNN_ia64_dyn_sym_info. */
112 struct elfNN_ia64_dyn_sym_info *info;
113
114 /* TRUE if this hash entry's addends was translated for
115 SHF_MERGE optimization. */
116 unsigned sec_merge_done : 1;
117};
118
119struct elfNN_ia64_link_hash_entry
120{
121 struct elf_link_hash_entry root;
122 /* The number of elements in elfNN_ia64_dyn_sym_info array. */
123 unsigned int count;
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. */
127 unsigned int size;
128 /* The array of elfNN_ia64_dyn_sym_info. */
129 struct elfNN_ia64_dyn_sym_info *info;
130};
131
132struct elfNN_ia64_link_hash_table
133{
134 /* The main hash table. */
135 struct elf_link_hash_table root;
136
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. */
141
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. */
154
155 htab_t loc_hash_table;
156 void *loc_hash_memory;
157};
158
159struct elfNN_ia64_allocate_data
160{
161 struct bfd_link_info *info;
162 bfd_size_type ofs;
163 bfd_boolean only_got;
164};
165
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)
169
170static 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);
174static bfd_boolean elfNN_ia64_dynamic_symbol_p
175 (struct elf_link_hash_entry *h, struct bfd_link_info *info, int);
176static bfd_boolean elfNN_ia64_choose_gp
177 (bfd *abfd, struct bfd_link_info *info, bfd_boolean final);
178static void elfNN_ia64_dyn_sym_traverse
179 (struct elfNN_ia64_link_hash_table *ia64_info,
2c3fc389
NC		 180 bfd_boolean (*func) (struct elfNN_ia64_dyn_sym_info *, void *),
181 void * info);
cbe79dfe 182static bfd_boolean allocate_global_data_got
2c3fc389 183 (struct elfNN_ia64_dyn_sym_info *dyn_i, void * data);
cbe79dfe 184static bfd_boolean allocate_global_fptr_got
2c3fc389 185 (struct elfNN_ia64_dyn_sym_info *dyn_i, void * data);
cbe79dfe 186static bfd_boolean allocate_local_got
2c3fc389 187 (struct elfNN_ia64_dyn_sym_info *dyn_i, void * data);
cbe79dfe
TG		 188static bfd_boolean elfNN_ia64_hpux_vec
189 (const bfd_target *vec);
190static bfd_boolean allocate_dynrel_entries
2c3fc389 191 (struct elfNN_ia64_dyn_sym_info *dyn_i, void * data);
cbe79dfe
TG		 192static asection *get_pltoff
193 (bfd *abfd, struct bfd_link_info *info,
194 struct elfNN_ia64_link_hash_table *ia64_info);
195\f
196/* ia64-specific relocation. */
197
198/* Given a ELF reloc, return the matching HOWTO structure. */
199
200static void
201elfNN_ia64_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
202 arelent *bfd_reloc,
203 Elf_Internal_Rela *elf_reloc)
204{
205 bfd_reloc->howto
206 = ia64_elf_lookup_howto ((unsigned int) ELFNN_R_TYPE (elf_reloc->r_info));
207}
208\f
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
213
214static const bfd_byte plt_header[PLT_HEADER_SIZE] =
215{
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;; */
225};
226
227static const bfd_byte plt_min_entry[PLT_MIN_ENTRY_SIZE] =
228{
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>;; */
232};
233
234static const bfd_byte plt_full_entry[PLT_FULL_ENTRY_SIZE] =
235{
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;; */
242};
243
244#define ELF_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
245
246static const bfd_byte oor_brl[16] =
247{
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
251};
252
253static const bfd_byte oor_ip[48] =
254{
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;; */
264};
265
266static size_t oor_branch_size = sizeof (oor_brl);
267
268void
269bfd_elfNN_ia64_after_parse (int itanium)
270{
271 oor_branch_size = itanium ? sizeof (oor_ip) : sizeof (oor_brl);
272}
273\f
274
275/* Rename some of the generic section flags to better document how they
276 are used here. */
277#define skip_relax_pass_0 sec_flg0
278#define skip_relax_pass_1 sec_flg1
279
280/* These functions do relaxation for IA-64 ELF. */
281
282static void
283elfNN_ia64_update_short_info (asection *sec, bfd_vma offset,
284 struct elfNN_ia64_link_hash_table *ia64_info)
285{
286 /* Skip ABS and SHF_IA_64_SHORT sections. */
287 if (sec == bfd_abs_section_ptr
288 || (sec->flags & SEC_SMALL_DATA) != 0)
289 return;
290
291 if (!ia64_info->min_short_sec)
292 {
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;
297 }
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)
306 {
307 ia64_info->max_short_sec = sec;
308 ia64_info->max_short_offset = offset;
309 }
310 else if (sec->output_section->vma
311 < ia64_info->min_short_sec->vma)
312 {
313 ia64_info->min_short_sec = sec;
314 ia64_info->min_short_offset = offset;
315 }
316}
317
318static bfd_boolean
319elfNN_ia64_relax_section (bfd *abfd, asection *sec,
320 struct bfd_link_info *link_info,
321 bfd_boolean *again)
322{
323 struct one_fixup
324 {
325 struct one_fixup *next;
326 asection *tsec;
327 bfd_vma toff;
328 bfd_vma trampoff;
329 };
330
331 Elf_Internal_Shdr *symtab_hdr;
332 Elf_Internal_Rela *internal_relocs;
333 Elf_Internal_Rela *irel, *irelend;
334 bfd_byte *contents;
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;
343 bfd_vma gp = 0;
344
345 /* Assume we're not going to change any sizes, and we'll only need
346 one pass. */
347 *again = FALSE;
348
0e1862bb 349 if (bfd_link_relocatable (link_info))
cbe79dfe
TG		 350 (*link_info->callbacks->einfo)
351 (_("%P%F: --relax and -r may not be used together\n"));
352
353 /* Don't even try to relax for non-ELF outputs. */
354 if (!is_elf_hash_table (link_info->hash))
355 return FALSE;
356
357 /* Nothing to do if there are no relocations or there is no need for
358 the current pass. */
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))
363 return TRUE;
364
365 ia64_info = elfNN_ia64_hash_table (link_info);
366 if (ia64_info == NULL)
367 return FALSE;
368
369 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
370
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)
376 return FALSE;
377
378 irelend = internal_relocs + sec->reloc_count;
379
380 /* Get the section contents. */
381 if (elf_section_data (sec)->this_hdr.contents != NULL)
382 contents = elf_section_data (sec)->this_hdr.contents;
383 else
384 {
385 if (!bfd_malloc_and_get_section (abfd, sec, &contents))
386 goto error_return;
387 }
388
389 for (irel = internal_relocs; irel < irelend; irel++)
390 {
391 unsigned long r_type = ELFNN_R_TYPE (irel->r_info);
392 bfd_vma symaddr, reladdr, trampoff, toff, roff;
393 asection *tsec;
394 struct one_fixup *f;
395 bfd_size_type amt;
396 bfd_boolean is_branch;
397 struct elfNN_ia64_dyn_sym_info *dyn_i;
398 char symtype;
399
400 switch (r_type)
401 {
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)
408 continue;
409 skip_relax_pass_0 = FALSE;
410 is_branch = TRUE;
411 break;
412
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)
417 {
418 skip_relax_pass_1 = FALSE;
419 continue;
420 }
421 is_branch = TRUE;
422 break;
423
424 case R_IA64_GPREL22:
425 /* Update max_short_sec/min_short_sec. */
426
427 case R_IA64_LTOFF22X:
428 case R_IA64_LDXMOV:
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)
432 {
433 skip_relax_pass_1 = FALSE;
434 continue;
435 }
436 is_branch = FALSE;
437 break;
438
439 default:
440 continue;
441 }
442
443 /* Get the value of the symbol referred to by the reloc. */
444 if (ELFNN_R_SYM (irel->r_info) < symtab_hdr->sh_info)
445 {
446 /* A local symbol. */
447 Elf_Internal_Sym *isym;
448
449 /* Read this BFD's local symbols. */
450 if (isymbuf == NULL)
451 {
452 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
453 if (isymbuf == NULL)
454 isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
455 symtab_hdr->sh_info, 0,
456 NULL, NULL, NULL);
457 if (isymbuf == 0)
458 goto error_return;
459 }
460
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;
470 else
471 tsec = bfd_section_from_elf_index (abfd, isym->st_shndx);
472
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);
476 }
477 else
478 {
479 unsigned long indx;
480 struct elf_link_hash_entry *h;
481
482 indx = ELFNN_R_SYM (irel->r_info) - symtab_hdr->sh_info;
483 h = elf_sym_hashes (abfd)[indx];
484 BFD_ASSERT (h != NULL);
485
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;
489
490 dyn_i = get_dyn_sym_info (ia64_info, h, abfd, irel, FALSE);
491
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)
495 {
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)
499 continue;
500
501 tsec = ia64_info->root.splt;
502 toff = dyn_i->plt2_offset;
503 BFD_ASSERT (irel->r_addend == 0);
504 }
505
506 /* Can't do anything else with dynamic symbols. */
507 else if (elfNN_ia64_dynamic_symbol_p (h, link_info, r_type))
508 continue;
509
510 else
511 {
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)
515 continue;
516
517 tsec = h->root.u.def.section;
518 toff = h->root.u.def.value;
519 }
520
521 symtype = h->type;
522 }
523
dbaa2011 524 if (tsec->sec_info_type == SEC_INFO_TYPE_MERGE)
cbe79dfe
TG		 525 {
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.)
531
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;
544
545 toff = _bfd_merged_section_offset (abfd, &tsec,
546 elf_section_data (tsec)->sec_info,
547 toff);
548
549 if (symtype != STT_SECTION)
550 toff += irel->r_addend;
551 }
552 else
553 toff += irel->r_addend;
554
555 symaddr = tsec->output_section->vma + tsec->output_offset + toff;
556
557 roff = irel->r_offset;
558
559 if (is_branch)
560 {
561 bfd_signed_vma offset;
562
563 reladdr = (sec->output_section->vma
564 + sec->output_offset
565 + roff) & (bfd_vma) -4;
566
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
a8685210 572 between the .plt and .text sections after the first
cbe79dfe
TG		 573 relaxation pass. */
574 if (tsec == ia64_info->root.splt)
575 offset = -0x1000000 + 32;
576 else
577 offset = -0x1000000;
578
579 /* If the branch is in range, no need to do anything. */
d17fe7b7 580 if ((bfd_signed_vma) (symaddr - reladdr) >= offset
cbe79dfe
TG		 581 && (bfd_signed_vma) (symaddr - reladdr) <= 0x0FFFFF0)
582 {
583 /* If the 60-bit branch is in 21-bit range, optimize it. */
584 if (r_type == R_IA64_PCREL60B)
585 {
586 ia64_elf_relax_brl (contents, roff);
587
588 irel->r_info
589 = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info),
590 R_IA64_PCREL21B);
591
592 /* If the original relocation offset points to slot
593 1, change it to slot 2. */
594 if ((irel->r_offset & 3) == 1)
595 irel->r_offset += 1;
596 }
597
598 continue;
599 }
600 else if (r_type == R_IA64_PCREL60B)
601 continue;
602 else if (ia64_elf_relax_br (contents, roff))
603 {
604 irel->r_info
605 = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info),
606 R_IA64_PCREL60B);
607
608 /* Make the relocation offset point to slot 1. */
609 irel->r_offset = (irel->r_offset & ~((bfd_vma) 0x3)) + 1;
610 continue;
611 }
612
613 /* We can't put a trampoline in a .init/.fini section. Issue
614 an error. */
615 if (strcmp (sec->output_section->name, ".init") == 0
616 || strcmp (sec->output_section->name, ".fini") == 0)
617 {
4eca0228 618 _bfd_error_handler
695344c0 619 /* xgettext:c-format */
cbe79dfe
TG		 620 (_("%B: Can't relax br at 0x%lx in section `%A'. Please use brl or indirect branch."),
621 sec->owner, sec, (unsigned long) roff);
622 bfd_set_error (bfd_error_bad_value);
623 goto error_return;
624 }
625
626 /* If the branch and target are in the same section, you've
627 got one honking big section and we can't help you unless
628 you are branching backwards. You'll get an error message
629 later. */
630 if (tsec == sec && toff > roff)
631 continue;
632
633 /* Look for an existing fixup to this address. */
634 for (f = fixups; f ; f = f->next)
635 if (f->tsec == tsec && f->toff == toff)
636 break;
637
638 if (f == NULL)
639 {
640 /* Two alternatives: If it's a branch to a PLT entry, we can
641 make a copy of the FULL_PLT entry. Otherwise, we'll have
642 to use a `brl' insn to get where we're going. */
643
644 size_t size;
645
646 if (tsec == ia64_info->root.splt)
647 size = sizeof (plt_full_entry);
648 else
649 size = oor_branch_size;
650
651 /* Resize the current section to make room for the new branch. */
652 trampoff = (sec->size + 15) & (bfd_vma) -16;
653
654 /* If trampoline is out of range, there is nothing we
655 can do. */
656 offset = trampoff - (roff & (bfd_vma) -4);
657 if (offset < -0x1000000 || offset > 0x0FFFFF0)
658 continue;
659
660 amt = trampoff + size;
661 contents = (bfd_byte *) bfd_realloc (contents, amt);
662 if (contents == NULL)
663 goto error_return;
664 sec->size = amt;
665
666 if (tsec == ia64_info->root.splt)
667 {
668 memcpy (contents + trampoff, plt_full_entry, size);
669
670 /* Hijack the old relocation for use as the PLTOFF reloc. */
671 irel->r_info = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info),
672 R_IA64_PLTOFF22);
673 irel->r_offset = trampoff;
674 }
675 else
676 {
677 if (size == sizeof (oor_ip))
678 {
679 memcpy (contents + trampoff, oor_ip, size);
680 irel->r_info = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info),
681 R_IA64_PCREL64I);
682 irel->r_addend -= 16;
683 irel->r_offset = trampoff + 2;
684 }
685 else
686 {
687 memcpy (contents + trampoff, oor_brl, size);
688 irel->r_info = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info),
689 R_IA64_PCREL60B);
690 irel->r_offset = trampoff + 2;
691 }
692
693 }
694
695 /* Record the fixup so we don't do it again this section. */
696 f = (struct one_fixup *)
697 bfd_malloc ((bfd_size_type) sizeof (*f));
698 f->next = fixups;
699 f->tsec = tsec;
700 f->toff = toff;
701 f->trampoff = trampoff;
702 fixups = f;
703 }
704 else
705 {
706 /* If trampoline is out of range, there is nothing we
707 can do. */
708 offset = f->trampoff - (roff & (bfd_vma) -4);
709 if (offset < -0x1000000 || offset > 0x0FFFFF0)
710 continue;
711
712 /* Nop out the reloc, since we're finalizing things here. */
713 irel->r_info = ELFNN_R_INFO (0, R_IA64_NONE);
714 }
715
716 /* Fix up the existing branch to hit the trampoline. */
717 if (ia64_elf_install_value (contents + roff, offset, r_type)
718 != bfd_reloc_ok)
719 goto error_return;
720
721 changed_contents = TRUE;
722 changed_relocs = TRUE;
723 }
724 else
725 {
726 /* Fetch the gp. */
727 if (gp == 0)
728 {
729 bfd *obfd = sec->output_section->owner;
730 gp = _bfd_get_gp_value (obfd);
731 if (gp == 0)
732 {
733 if (!elfNN_ia64_choose_gp (obfd, link_info, FALSE))
734 goto error_return;
735 gp = _bfd_get_gp_value (obfd);
736 }
737 }
738
739 /* If the data is out of range, do nothing. */
740 if ((bfd_signed_vma) (symaddr - gp) >= 0x200000
741 ||(bfd_signed_vma) (symaddr - gp) < -0x200000)
742 continue;
743
744 if (r_type == R_IA64_GPREL22)
745 elfNN_ia64_update_short_info (tsec->output_section,
746 tsec->output_offset + toff,
747 ia64_info);
748 else if (r_type == R_IA64_LTOFF22X)
749 {
750 irel->r_info = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info),
751 R_IA64_GPREL22);
752 changed_relocs = TRUE;
753 if (dyn_i->want_gotx)
754 {
755 dyn_i->want_gotx = 0;
756 changed_got |= !dyn_i->want_got;
757 }
758
759 elfNN_ia64_update_short_info (tsec->output_section,
760 tsec->output_offset + toff,
761 ia64_info);
762 }
763 else
764 {
765 ia64_elf_relax_ldxmov (contents, roff);
766 irel->r_info = ELFNN_R_INFO (0, R_IA64_NONE);
767 changed_contents = TRUE;
768 changed_relocs = TRUE;
769 }
770 }
771 }
772
773 /* ??? If we created fixups, this may push the code segment large
774 enough that the data segment moves, which will change the GP.
775 Reset the GP so that we re-calculate next round. We need to
776 do this at the _beginning_ of the next round; now will not do. */
777
778 /* Clean up and go home. */
779 while (fixups)
780 {
781 struct one_fixup *f = fixups;
782 fixups = fixups->next;
783 free (f);
784 }
785
786 if (isymbuf != NULL
787 && symtab_hdr->contents != (unsigned char *) isymbuf)
788 {
789 if (! link_info->keep_memory)
790 free (isymbuf);
791 else
792 {
793 /* Cache the symbols for elf_link_input_bfd. */
794 symtab_hdr->contents = (unsigned char *) isymbuf;
795 }
796 }
797
798 if (contents != NULL
799 && elf_section_data (sec)->this_hdr.contents != contents)
800 {
801 if (!changed_contents && !link_info->keep_memory)
802 free (contents);
803 else
804 {
805 /* Cache the section contents for elf_link_input_bfd. */
806 elf_section_data (sec)->this_hdr.contents = contents;
807 }
808 }
809
810 if (elf_section_data (sec)->relocs != internal_relocs)
811 {
812 if (!changed_relocs)
813 free (internal_relocs);
814 else
815 elf_section_data (sec)->relocs = internal_relocs;
816 }
817
818 if (changed_got)
819 {
820 struct elfNN_ia64_allocate_data data;
821 data.info = link_info;
822 data.ofs = 0;
823 ia64_info->self_dtpmod_offset = (bfd_vma) -1;
824
825 elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_global_data_got, &data);
826 elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_global_fptr_got, &data);
827 elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_local_got, &data);
828 ia64_info->root.sgot->size = data.ofs;
829
830 if (ia64_info->root.dynamic_sections_created
831 && ia64_info->root.srelgot != NULL)
832 {
833 /* Resize .rela.got. */
834 ia64_info->root.srelgot->size = 0;
0e1862bb 835 if (bfd_link_pic (link_info)
cbe79dfe
TG		 836 && ia64_info->self_dtpmod_offset != (bfd_vma) -1)
837 ia64_info->root.srelgot->size += sizeof (ElfNN_External_Rela);
838 data.only_got = TRUE;
839 elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_dynrel_entries,
840 &data);
841 }
842 }
843
844 if (link_info->relax_pass == 0)
845 {
846 /* Pass 0 is only needed to relax br. */
847 sec->skip_relax_pass_0 = skip_relax_pass_0;
848 sec->skip_relax_pass_1 = skip_relax_pass_1;
849 }
850
851 *again = changed_contents || changed_relocs;
852 return TRUE;
853
854 error_return:
855 if (isymbuf != NULL && (unsigned char *) isymbuf != symtab_hdr->contents)
856 free (isymbuf);
857 if (contents != NULL
858 && elf_section_data (sec)->this_hdr.contents != contents)
859 free (contents);
860 if (internal_relocs != NULL
861 && elf_section_data (sec)->relocs != internal_relocs)
862 free (internal_relocs);
863 return FALSE;
864}
865#undef skip_relax_pass_0
866#undef skip_relax_pass_1
867\f
868/* Return TRUE if NAME is an unwind table section name. */
869
870static inline bfd_boolean
871is_unwind_section_name (bfd *abfd, const char *name)
872{
873 if (elfNN_ia64_hpux_vec (abfd->xvec)
874 && !strcmp (name, ELF_STRING_ia64_unwind_hdr))
875 return FALSE;
876
877 return ((CONST_STRNEQ (name, ELF_STRING_ia64_unwind)
878 && ! CONST_STRNEQ (name, ELF_STRING_ia64_unwind_info))
879 || CONST_STRNEQ (name, ELF_STRING_ia64_unwind_once));
880}
881
882/* Handle an IA-64 specific section when reading an object file. This
883 is called when bfd_section_from_shdr finds a section with an unknown
884 type. */
885
886static bfd_boolean
887elfNN_ia64_section_from_shdr (bfd *abfd,
888 Elf_Internal_Shdr *hdr,
889 const char *name,
890 int shindex)
891{
892 /* There ought to be a place to keep ELF backend specific flags, but
893 at the moment there isn't one. We just keep track of the
894 sections by their name, instead. Fortunately, the ABI gives
895 suggested names for all the MIPS specific sections, so we will
896 probably get away with this. */
897 switch (hdr->sh_type)
898 {
899 case SHT_IA_64_UNWIND:
900 case SHT_IA_64_HP_OPT_ANOT:
901 break;
902
903 case SHT_IA_64_EXT:
904 if (strcmp (name, ELF_STRING_ia64_archext) != 0)
905 return FALSE;
906 break;
907
908 default:
909 return FALSE;
910 }
911
912 if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex))
913 return FALSE;
914
915 return TRUE;
916}
917
918/* Convert IA-64 specific section flags to bfd internal section flags. */
919
920/* ??? There is no bfd internal flag equivalent to the SHF_IA_64_NORECOV
921 flag. */
922
923static bfd_boolean
924elfNN_ia64_section_flags (flagword *flags,
925 const Elf_Internal_Shdr *hdr)
926{
927 if (hdr->sh_flags & SHF_IA_64_SHORT)
928 *flags |= SEC_SMALL_DATA;
929
930 return TRUE;
931}
932
933/* Set the correct type for an IA-64 ELF section. We do this by the
934 section name, which is a hack, but ought to work. */
935
936static bfd_boolean
937elfNN_ia64_fake_sections (bfd *abfd, Elf_Internal_Shdr *hdr,
938 asection *sec)
939{
940 const char *name;
941
942 name = bfd_get_section_name (abfd, sec);
943
944 if (is_unwind_section_name (abfd, name))
945 {
946 /* We don't have the sections numbered at this point, so sh_info
947 is set later, in elfNN_ia64_final_write_processing. */
948 hdr->sh_type = SHT_IA_64_UNWIND;
949 hdr->sh_flags |= SHF_LINK_ORDER;
950 }
951 else if (strcmp (name, ELF_STRING_ia64_archext) == 0)
952 hdr->sh_type = SHT_IA_64_EXT;
953 else if (strcmp (name, ".HP.opt_annot") == 0)
954 hdr->sh_type = SHT_IA_64_HP_OPT_ANOT;
955 else if (strcmp (name, ".reloc") == 0)
956 /* This is an ugly, but unfortunately necessary hack that is
957 needed when producing EFI binaries on IA-64. It tells
958 elf.c:elf_fake_sections() not to consider ".reloc" as a section
959 containing ELF relocation info. We need this hack in order to
960 be able to generate ELF binaries that can be translated into
961 EFI applications (which are essentially COFF objects). Those
962 files contain a COFF ".reloc" section inside an ELFNN object,
963 which would normally cause BFD to segfault because it would
964 attempt to interpret this section as containing relocation
965 entries for section "oc". With this hack enabled, ".reloc"
966 will be treated as a normal data section, which will avoid the
967 segfault. However, you won't be able to create an ELFNN binary
968 with a section named "oc" that needs relocations, but that's
969 the kind of ugly side-effects you get when detecting section
970 types based on their names... In practice, this limitation is
971 unlikely to bite. */
972 hdr->sh_type = SHT_PROGBITS;
973
974 if (sec->flags & SEC_SMALL_DATA)
975 hdr->sh_flags |= SHF_IA_64_SHORT;
976
977 /* Some HP linkers look for the SHF_IA_64_HP_TLS flag instead of SHF_TLS. */
978
979 if (elfNN_ia64_hpux_vec (abfd->xvec) && (sec->flags & SHF_TLS))
980 hdr->sh_flags |= SHF_IA_64_HP_TLS;
981
982 return TRUE;
983}
984
985/* The final processing done just before writing out an IA-64 ELF
986 object file. */
987
988static void
989elfNN_ia64_final_write_processing (bfd *abfd,
990 bfd_boolean linker ATTRIBUTE_UNUSED)
991{
992 Elf_Internal_Shdr *hdr;
993 asection *s;
994
995 for (s = abfd->sections; s; s = s->next)
996 {
997 hdr = &elf_section_data (s)->this_hdr;
998 switch (hdr->sh_type)
999 {
1000 case SHT_IA_64_UNWIND:
1001 /* The IA-64 processor-specific ABI requires setting sh_link
1002 to the unwind section, whereas HP-UX requires sh_info to
1003 do so. For maximum compatibility, we'll set both for
1004 now... */
1005 hdr->sh_info = hdr->sh_link;
1006 break;
1007 }
1008 }
1009
1010 if (! elf_flags_init (abfd))
1011 {
1012 unsigned long flags = 0;
1013
1014 if (abfd->xvec->byteorder == BFD_ENDIAN_BIG)
1015 flags |= EF_IA_64_BE;
1016 if (bfd_get_mach (abfd) == bfd_mach_ia64_elf64)
1017 flags |= EF_IA_64_ABI64;
1018
1019 elf_elfheader(abfd)->e_flags = flags;
1020 elf_flags_init (abfd) = TRUE;
1021 }
1022}
1023
1024/* Hook called by the linker routine which adds symbols from an object
1025 file. We use it to put .comm items in .sbss, and not .bss. */
1026
1027static bfd_boolean
1028elfNN_ia64_add_symbol_hook (bfd *abfd,
1029 struct bfd_link_info *info,
1030 Elf_Internal_Sym *sym,
1031 const char **namep ATTRIBUTE_UNUSED,
1032 flagword *flagsp ATTRIBUTE_UNUSED,
1033 asection **secp,
1034 bfd_vma *valp)
1035{
1036 if (sym->st_shndx == SHN_COMMON
0e1862bb 1037 && !bfd_link_relocatable (info)
cbe79dfe
TG		 1038 && sym->st_size <= elf_gp_size (abfd))
1039 {
1040 /* Common symbols less than or equal to -G nn bytes are
1041 automatically put into .sbss. */
1042
1043 asection *scomm = bfd_get_section_by_name (abfd, ".scommon");
1044
1045 if (scomm == NULL)
1046 {
1047 scomm = bfd_make_section_with_flags (abfd, ".scommon",
1048 (SEC_ALLOC
1049 | SEC_IS_COMMON
1050 | SEC_LINKER_CREATED));
1051 if (scomm == NULL)
1052 return FALSE;
1053 }
1054
1055 *secp = scomm;
1056 *valp = sym->st_size;
1057 }
1058
1059 return TRUE;
1060}
1061
1062/* Return the number of additional phdrs we will need. */
1063
1064static int
1065elfNN_ia64_additional_program_headers (bfd *abfd,
1066 struct bfd_link_info *info ATTRIBUTE_UNUSED)
1067{
1068 asection *s;
1069 int ret = 0;
1070
1071 /* See if we need a PT_IA_64_ARCHEXT segment. */
1072 s = bfd_get_section_by_name (abfd, ELF_STRING_ia64_archext);
1073 if (s && (s->flags & SEC_LOAD))
1074 ++ret;
1075
1076 /* Count how many PT_IA_64_UNWIND segments we need. */
1077 for (s = abfd->sections; s; s = s->next)
1078 if (is_unwind_section_name (abfd, s->name) && (s->flags & SEC_LOAD))
1079 ++ret;
1080
1081 return ret;
1082}
1083
1084static bfd_boolean
1085elfNN_ia64_modify_segment_map (bfd *abfd,
1086 struct bfd_link_info *info ATTRIBUTE_UNUSED)
1087{
1088 struct elf_segment_map *m, **pm;
1089 Elf_Internal_Shdr *hdr;
1090 asection *s;
1091
1092 /* If we need a PT_IA_64_ARCHEXT segment, it must come before
1093 all PT_LOAD segments. */
1094 s = bfd_get_section_by_name (abfd, ELF_STRING_ia64_archext);
1095 if (s && (s->flags & SEC_LOAD))
1096 {
12bd6957 1097 for (m = elf_seg_map (abfd); m != NULL; m = m->next)
cbe79dfe
TG		 1098 if (m->p_type == PT_IA_64_ARCHEXT)
1099 break;
1100 if (m == NULL)
1101 {
1102 m = ((struct elf_segment_map *)
1103 bfd_zalloc (abfd, (bfd_size_type) sizeof *m));
1104 if (m == NULL)
1105 return FALSE;
1106
1107 m->p_type = PT_IA_64_ARCHEXT;
1108 m->count = 1;
1109 m->sections[0] = s;
1110
1111 /* We want to put it after the PHDR and INTERP segments. */
12bd6957 1112 pm = &elf_seg_map (abfd);
cbe79dfe
TG		 1113 while (*pm != NULL
1114 && ((*pm)->p_type == PT_PHDR
1115 || (*pm)->p_type == PT_INTERP))
1116 pm = &(*pm)->next;
1117
1118 m->next = *pm;
1119 *pm = m;
1120 }
1121 }
1122
1123 /* Install PT_IA_64_UNWIND segments, if needed. */
1124 for (s = abfd->sections; s; s = s->next)
1125 {
1126 hdr = &elf_section_data (s)->this_hdr;
1127 if (hdr->sh_type != SHT_IA_64_UNWIND)
1128 continue;
1129
1130 if (s && (s->flags & SEC_LOAD))
1131 {
12bd6957 1132 for (m = elf_seg_map (abfd); m != NULL; m = m->next)
cbe79dfe
TG		 1133 if (m->p_type == PT_IA_64_UNWIND)
1134 {
1135 int i;
1136
1137 /* Look through all sections in the unwind segment
1138 for a match since there may be multiple sections
1139 to a segment. */
1140 for (i = m->count - 1; i >= 0; --i)
1141 if (m->sections[i] == s)
1142 break;
1143
1144 if (i >= 0)
1145 break;
1146 }
1147
1148 if (m == NULL)
1149 {
1150 m = ((struct elf_segment_map *)
1151 bfd_zalloc (abfd, (bfd_size_type) sizeof *m));
1152 if (m == NULL)
1153 return FALSE;
1154
1155 m->p_type = PT_IA_64_UNWIND;
1156 m->count = 1;
1157 m->sections[0] = s;
1158 m->next = NULL;
1159
1160 /* We want to put it last. */
12bd6957 1161 pm = &elf_seg_map (abfd);
cbe79dfe
TG		 1162 while (*pm != NULL)
1163 pm = &(*pm)->next;
1164 *pm = m;
1165 }
1166 }
1167 }
1168
1169 return TRUE;
1170}
1171
1172/* Turn on PF_IA_64_NORECOV if needed. This involves traversing all of
1173 the input sections for each output section in the segment and testing
1174 for SHF_IA_64_NORECOV on each. */
1175
1176static bfd_boolean
1177elfNN_ia64_modify_program_headers (bfd *abfd,
1178 struct bfd_link_info *info ATTRIBUTE_UNUSED)
1179{
1180 struct elf_obj_tdata *tdata = elf_tdata (abfd);
1181 struct elf_segment_map *m;
1182 Elf_Internal_Phdr *p;
1183
12bd6957 1184 for (p = tdata->phdr, m = elf_seg_map (abfd); m != NULL; m = m->next, p++)
cbe79dfe
TG		 1185 if (m->p_type == PT_LOAD)
1186 {
1187 int i;
1188 for (i = m->count - 1; i >= 0; --i)
1189 {
1190 struct bfd_link_order *order = m->sections[i]->map_head.link_order;
1191
1192 while (order != NULL)
1193 {
1194 if (order->type == bfd_indirect_link_order)
1195 {
1196 asection *is = order->u.indirect.section;
1197 bfd_vma flags = elf_section_data(is)->this_hdr.sh_flags;
1198 if (flags & SHF_IA_64_NORECOV)
1199 {
1200 p->p_flags |= PF_IA_64_NORECOV;
1201 goto found;
1202 }
1203 }
1204 order = order->next;
1205 }
1206 }
1207 found:;
1208 }
1209
1210 return TRUE;
1211}
1212
1213/* According to the Tahoe assembler spec, all labels starting with a
1214 '.' are local. */
1215
1216static bfd_boolean
1217elfNN_ia64_is_local_label_name (bfd *abfd ATTRIBUTE_UNUSED,
1218 const char *name)
1219{
1220 return name[0] == '.';
1221}
1222
1223/* Should we do dynamic things to this symbol? */
1224
1225static bfd_boolean
1226elfNN_ia64_dynamic_symbol_p (struct elf_link_hash_entry *h,
1227 struct bfd_link_info *info, int r_type)
1228{
1229 bfd_boolean ignore_protected
1230 = ((r_type & 0xf8) == 0x40 /* FPTR relocs */
1231 || (r_type & 0xf8) == 0x50); /* LTOFF_FPTR relocs */
1232
1233 return _bfd_elf_dynamic_symbol_p (h, info, ignore_protected);
1234}
1235\f
1236static struct bfd_hash_entry*
1237elfNN_ia64_new_elf_hash_entry (struct bfd_hash_entry *entry,
1238 struct bfd_hash_table *table,
1239 const char *string)
1240{
1241 struct elfNN_ia64_link_hash_entry *ret;
1242 ret = (struct elfNN_ia64_link_hash_entry *) entry;
1243
1244 /* Allocate the structure if it has not already been allocated by a
1245 subclass. */
1246 if (!ret)
1247 ret = bfd_hash_allocate (table, sizeof (*ret));
1248
1249 if (!ret)
1250 return 0;
1251
1252 /* Call the allocation method of the superclass. */
1253 ret = ((struct elfNN_ia64_link_hash_entry *)
1254 _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
1255 table, string));
1256
1257 ret->info = NULL;
1258 ret->count = 0;
1259 ret->sorted_count = 0;
1260 ret->size = 0;
1261 return (struct bfd_hash_entry *) ret;
1262}
1263
1264static void
1265elfNN_ia64_hash_copy_indirect (struct bfd_link_info *info,
1266 struct elf_link_hash_entry *xdir,
1267 struct elf_link_hash_entry *xind)
1268{
1269 struct elfNN_ia64_link_hash_entry *dir, *ind;
1270
1271 dir = (struct elfNN_ia64_link_hash_entry *) xdir;
1272 ind = (struct elfNN_ia64_link_hash_entry *) xind;
1273
1274 /* Copy down any references that we may have already seen to the
1275 symbol which just became indirect. */
1276
1277 dir->root.ref_dynamic |= ind->root.ref_dynamic;
1278 dir->root.ref_regular |= ind->root.ref_regular;
1279 dir->root.ref_regular_nonweak |= ind->root.ref_regular_nonweak;
1280 dir->root.needs_plt |= ind->root.needs_plt;
1281
1282 if (ind->root.root.type != bfd_link_hash_indirect)
1283 return;
1284
1285 /* Copy over the got and plt data. This would have been done
1286 by check_relocs. */
1287
1288 if (ind->info != NULL)
1289 {
1290 struct elfNN_ia64_dyn_sym_info *dyn_i;
1291 unsigned int count;
1292
1293 if (dir->info)
1294 free (dir->info);
1295
1296 dir->info = ind->info;
1297 dir->count = ind->count;
1298 dir->sorted_count = ind->sorted_count;
1299 dir->size = ind->size;
1300
1301 ind->info = NULL;
1302 ind->count = 0;
1303 ind->sorted_count = 0;
1304 ind->size = 0;
1305
1306 /* Fix up the dyn_sym_info pointers to the global symbol. */
1307 for (count = dir->count, dyn_i = dir->info;
1308 count != 0;
1309 count--, dyn_i++)
1310 dyn_i->h = &dir->root;
1311 }
1312
1313 /* Copy over the dynindx. */
1314
1315 if (ind->root.dynindx != -1)
1316 {
1317 if (dir->root.dynindx != -1)
1318 _bfd_elf_strtab_delref (elf_hash_table (info)->dynstr,
1319 dir->root.dynstr_index);
1320 dir->root.dynindx = ind->root.dynindx;
1321 dir->root.dynstr_index = ind->root.dynstr_index;
1322 ind->root.dynindx = -1;
1323 ind->root.dynstr_index = 0;
1324 }
1325}
1326
1327static void
1328elfNN_ia64_hash_hide_symbol (struct bfd_link_info *info,
1329 struct elf_link_hash_entry *xh,
1330 bfd_boolean force_local)
1331{
1332 struct elfNN_ia64_link_hash_entry *h;
1333 struct elfNN_ia64_dyn_sym_info *dyn_i;
1334 unsigned int count;
1335
1336 h = (struct elfNN_ia64_link_hash_entry *)xh;
1337
1338 _bfd_elf_link_hash_hide_symbol (info, &h->root, force_local);
1339
1340 for (count = h->count, dyn_i = h->info;
1341 count != 0;
1342 count--, dyn_i++)
1343 {
1344 dyn_i->want_plt2 = 0;
1345 dyn_i->want_plt = 0;
1346 }
1347}
1348
1349/* Compute a hash of a local hash entry. */
1350
1351static hashval_t
1352elfNN_ia64_local_htab_hash (const void *ptr)
1353{
1354 struct elfNN_ia64_local_hash_entry *entry
1355 = (struct elfNN_ia64_local_hash_entry *) ptr;
1356
1357 return ELF_LOCAL_SYMBOL_HASH (entry->id, entry->r_sym);
1358}
1359
1360/* Compare local hash entries. */
1361
1362static int
1363elfNN_ia64_local_htab_eq (const void *ptr1, const void *ptr2)
1364{
1365 struct elfNN_ia64_local_hash_entry *entry1
1366 = (struct elfNN_ia64_local_hash_entry *) ptr1;
1367 struct elfNN_ia64_local_hash_entry *entry2
1368 = (struct elfNN_ia64_local_hash_entry *) ptr2;
1369
1370 return entry1->id == entry2->id && entry1->r_sym == entry2->r_sym;
1371}
1372
cbe79dfe
TG		 1373/* Free the global elfNN_ia64_dyn_sym_info array. */
1374
1375static bfd_boolean
1376elfNN_ia64_global_dyn_info_free (void **xentry,
2c3fc389 1377 void * unused ATTRIBUTE_UNUSED)
cbe79dfe
TG		 1378{
1379 struct elfNN_ia64_link_hash_entry *entry
1380 = (struct elfNN_ia64_link_hash_entry *) xentry;
1381
cbe79dfe
TG		 1382 if (entry->info)
1383 {
1384 free (entry->info);
1385 entry->info = NULL;
1386 entry->count = 0;
1387 entry->sorted_count = 0;
1388 entry->size = 0;
1389 }
1390
1391 return TRUE;
1392}
1393
1394/* Free the local elfNN_ia64_dyn_sym_info array. */
1395
1396static bfd_boolean
1397elfNN_ia64_local_dyn_info_free (void **slot,
2c3fc389 1398 void * unused ATTRIBUTE_UNUSED)
cbe79dfe
TG		 1399{
1400 struct elfNN_ia64_local_hash_entry *entry
1401 = (struct elfNN_ia64_local_hash_entry *) *slot;
1402
1403 if (entry->info)
1404 {
1405 free (entry->info);
1406 entry->info = NULL;
1407 entry->count = 0;
1408 entry->sorted_count = 0;
1409 entry->size = 0;
1410 }
1411
1412 return TRUE;
1413}
1414
1415/* Destroy IA-64 linker hash table. */
1416
1417static void
d495ab0d 1418elfNN_ia64_link_hash_table_free (bfd *obfd)
cbe79dfe
TG		 1419{
1420 struct elfNN_ia64_link_hash_table *ia64_info
d495ab0d 1421 = (struct elfNN_ia64_link_hash_table *) obfd->link.hash;
cbe79dfe
TG		 1422 if (ia64_info->loc_hash_table)
1423 {
1424 htab_traverse (ia64_info->loc_hash_table,
1425 elfNN_ia64_local_dyn_info_free, NULL);
1426 htab_delete (ia64_info->loc_hash_table);
1427 }
1428 if (ia64_info->loc_hash_memory)
1429 objalloc_free ((struct objalloc *) ia64_info->loc_hash_memory);
1430 elf_link_hash_traverse (&ia64_info->root,
1431 elfNN_ia64_global_dyn_info_free, NULL);
d495ab0d 1432 _bfd_elf_link_hash_table_free (obfd);
cbe79dfe
TG		 1433}
1434
68faa637
AM		 1435/* Create the derived linker hash table. The IA-64 ELF port uses this
1436 derived hash table to keep information specific to the IA-64 ElF
1437 linker (without using static variables). */
1438
1439static struct bfd_link_hash_table *
1440elfNN_ia64_hash_table_create (bfd *abfd)
1441{
1442 struct elfNN_ia64_link_hash_table *ret;
1443
1444 ret = bfd_zmalloc ((bfd_size_type) sizeof (*ret));
1445 if (!ret)
1446 return NULL;
1447
1448 if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
1449 elfNN_ia64_new_elf_hash_entry,
1450 sizeof (struct elfNN_ia64_link_hash_entry),
1451 IA64_ELF_DATA))
1452 {
1453 free (ret);
1454 return NULL;
1455 }
1456
1457 ret->loc_hash_table = htab_try_create (1024, elfNN_ia64_local_htab_hash,
1458 elfNN_ia64_local_htab_eq, NULL);
1459 ret->loc_hash_memory = objalloc_create ();
1460 if (!ret->loc_hash_table || !ret->loc_hash_memory)
1461 {
d495ab0d 1462 elfNN_ia64_link_hash_table_free (abfd);
68faa637
AM		 1463 return NULL;
1464 }
d495ab0d 1465 ret->root.root.hash_table_free = elfNN_ia64_link_hash_table_free;
68faa637
AM		 1466
1467 return &ret->root.root;
1468}
1469
cbe79dfe
TG		 1470/* Traverse both local and global hash tables. */
1471
1472struct elfNN_ia64_dyn_sym_traverse_data
1473{
2c3fc389
NC		 1474 bfd_boolean (*func) (struct elfNN_ia64_dyn_sym_info *, void *);
1475 void * data;
cbe79dfe
TG		 1476};
1477
1478static bfd_boolean
1479elfNN_ia64_global_dyn_sym_thunk (struct bfd_hash_entry *xentry,
2c3fc389 1480 void * xdata)
cbe79dfe
TG		 1481{
1482 struct elfNN_ia64_link_hash_entry *entry
1483 = (struct elfNN_ia64_link_hash_entry *) xentry;
1484 struct elfNN_ia64_dyn_sym_traverse_data *data
1485 = (struct elfNN_ia64_dyn_sym_traverse_data *) xdata;
1486 struct elfNN_ia64_dyn_sym_info *dyn_i;
1487 unsigned int count;
1488
cbe79dfe
TG		 1489 for (count = entry->count, dyn_i = entry->info;
1490 count != 0;
1491 count--, dyn_i++)
1492 if (! (*data->func) (dyn_i, data->data))
1493 return FALSE;
1494 return TRUE;
1495}
1496
1497static bfd_boolean
2c3fc389 1498elfNN_ia64_local_dyn_sym_thunk (void **slot, void * xdata)
cbe79dfe
TG		 1499{
1500 struct elfNN_ia64_local_hash_entry *entry
1501 = (struct elfNN_ia64_local_hash_entry *) *slot;
1502 struct elfNN_ia64_dyn_sym_traverse_data *data
1503 = (struct elfNN_ia64_dyn_sym_traverse_data *) xdata;
1504 struct elfNN_ia64_dyn_sym_info *dyn_i;
1505 unsigned int count;
1506
1507 for (count = entry->count, dyn_i = entry->info;
1508 count != 0;
1509 count--, dyn_i++)
1510 if (! (*data->func) (dyn_i, data->data))
1511 return FALSE;
1512 return TRUE;
1513}
1514
1515static void
1516elfNN_ia64_dyn_sym_traverse (struct elfNN_ia64_link_hash_table *ia64_info,
2c3fc389
NC		 1517 bfd_boolean (*func) (struct elfNN_ia64_dyn_sym_info *, void *),
1518 void * data)
cbe79dfe
TG		 1519{
1520 struct elfNN_ia64_dyn_sym_traverse_data xdata;
1521
1522 xdata.func = func;
1523 xdata.data = data;
1524
1525 elf_link_hash_traverse (&ia64_info->root,
1526 elfNN_ia64_global_dyn_sym_thunk, &xdata);
1527 htab_traverse (ia64_info->loc_hash_table,
1528 elfNN_ia64_local_dyn_sym_thunk, &xdata);
1529}
1530\f
1531static bfd_boolean
1532elfNN_ia64_create_dynamic_sections (bfd *abfd,
1533 struct bfd_link_info *info)
1534{
1535 struct elfNN_ia64_link_hash_table *ia64_info;
1536 asection *s;
1537
1538 if (! _bfd_elf_create_dynamic_sections (abfd, info))
1539 return FALSE;
1540
1541 ia64_info = elfNN_ia64_hash_table (info);
1542 if (ia64_info == NULL)
1543 return FALSE;
1544
1545 {
1546 flagword flags = bfd_get_section_flags (abfd, ia64_info->root.sgot);
1547 bfd_set_section_flags (abfd, ia64_info->root.sgot,
1548 SEC_SMALL_DATA | flags);
1549 /* The .got section is always aligned at 8 bytes. */
a253d456
NC		 1550 if (! bfd_set_section_alignment (abfd, ia64_info->root.sgot, 3))
1551 return FALSE;
cbe79dfe
TG		 1552 }
1553
1554 if (!get_pltoff (abfd, info, ia64_info))
1555 return FALSE;
1556
3d4d4302
AM		 1557 s = bfd_make_section_anyway_with_flags (abfd, ".rela.IA_64.pltoff",
1558 (SEC_ALLOC | SEC_LOAD
1559 | SEC_HAS_CONTENTS
1560 | SEC_IN_MEMORY
1561 | SEC_LINKER_CREATED
1562 | SEC_READONLY));
cbe79dfe
TG		 1563 if (s == NULL
1564 || !bfd_set_section_alignment (abfd, s, LOG_SECTION_ALIGN))
1565 return FALSE;
1566 ia64_info->rel_pltoff_sec = s;
1567
1568 return TRUE;
1569}
1570
1571/* Find and/or create a hash entry for local symbol. */
1572static struct elfNN_ia64_local_hash_entry *
1573get_local_sym_hash (struct elfNN_ia64_link_hash_table *ia64_info,
1574 bfd *abfd, const Elf_Internal_Rela *rel,
1575 bfd_boolean create)
1576{
1577 struct elfNN_ia64_local_hash_entry e, *ret;
1578 asection *sec = abfd->sections;
1579 hashval_t h = ELF_LOCAL_SYMBOL_HASH (sec->id,
1580 ELFNN_R_SYM (rel->r_info));
1581 void **slot;
1582
1583 e.id = sec->id;
1584 e.r_sym = ELFNN_R_SYM (rel->r_info);
1585 slot = htab_find_slot_with_hash (ia64_info->loc_hash_table, &e, h,
1586 create ? INSERT : NO_INSERT);
1587
1588 if (!slot)
1589 return NULL;
1590
1591 if (*slot)
1592 return (struct elfNN_ia64_local_hash_entry *) *slot;
1593
1594 ret = (struct elfNN_ia64_local_hash_entry *)
1595 objalloc_alloc ((struct objalloc *) ia64_info->loc_hash_memory,
1596 sizeof (struct elfNN_ia64_local_hash_entry));
1597 if (ret)
1598 {
1599 memset (ret, 0, sizeof (*ret));
1600 ret->id = sec->id;
1601 ret->r_sym = ELFNN_R_SYM (rel->r_info);
1602 *slot = ret;
1603 }
1604 return ret;
1605}
1606
1607/* Used to sort elfNN_ia64_dyn_sym_info array. */
1608
1609static int
1610addend_compare (const void *xp, const void *yp)
1611{
1612 const struct elfNN_ia64_dyn_sym_info *x
1613 = (const struct elfNN_ia64_dyn_sym_info *) xp;
1614 const struct elfNN_ia64_dyn_sym_info *y
1615 = (const struct elfNN_ia64_dyn_sym_info *) yp;
1616
1617 return x->addend < y->addend ? -1 : x->addend > y->addend ? 1 : 0;
1618}
1619
1620/* Sort elfNN_ia64_dyn_sym_info array and remove duplicates. */
1621
1622static unsigned int
1623sort_dyn_sym_info (struct elfNN_ia64_dyn_sym_info *info,
1624 unsigned int count)
1625{
1626 bfd_vma curr, prev, got_offset;
1627 unsigned int i, kept, dupes, diff, dest, src, len;
1628
1629 qsort (info, count, sizeof (*info), addend_compare);
1630
1631 /* Find the first duplicate. */
1632 prev = info [0].addend;
1633 got_offset = info [0].got_offset;
1634 for (i = 1; i < count; i++)
1635 {
1636 curr = info [i].addend;
1637 if (curr == prev)
1638 {
1639 /* For duplicates, make sure that GOT_OFFSET is valid. */
1640 if (got_offset == (bfd_vma) -1)
1641 got_offset = info [i].got_offset;
1642 break;
1643 }
1644 got_offset = info [i].got_offset;
1645 prev = curr;
1646 }
1647
1648 /* We may move a block of elements to here. */
1649 dest = i++;
1650
1651 /* Remove duplicates. */
1652 if (i < count)
1653 {
1654 while (i < count)
1655 {
1656 /* For duplicates, make sure that the kept one has a valid
1657 got_offset. */
1658 kept = dest - 1;
1659 if (got_offset != (bfd_vma) -1)
1660 info [kept].got_offset = got_offset;
1661
1662 curr = info [i].addend;
1663 got_offset = info [i].got_offset;
1664
1665 /* Move a block of elements whose first one is different from
1666 the previous. */
1667 if (curr == prev)
1668 {
1669 for (src = i + 1; src < count; src++)
1670 {
1671 if (info [src].addend != curr)
1672 break;
1673 /* For duplicates, make sure that GOT_OFFSET is
1674 valid. */
1675 if (got_offset == (bfd_vma) -1)
1676 got_offset = info [src].got_offset;
1677 }
1678
1679 /* Make sure that the kept one has a valid got_offset. */
1680 if (got_offset != (bfd_vma) -1)
1681 info [kept].got_offset = got_offset;
1682 }
1683 else
1684 src = i;
1685
1686 if (src >= count)
1687 break;
1688
1689 /* Find the next duplicate. SRC will be kept. */
1690 prev = info [src].addend;
1691 got_offset = info [src].got_offset;
1692 for (dupes = src + 1; dupes < count; dupes ++)
1693 {
1694 curr = info [dupes].addend;
1695 if (curr == prev)
1696 {
1697 /* Make sure that got_offset is valid. */
1698 if (got_offset == (bfd_vma) -1)
1699 got_offset = info [dupes].got_offset;
1700
1701 /* For duplicates, make sure that the kept one has
1702 a valid got_offset. */
1703 if (got_offset != (bfd_vma) -1)
1704 info [dupes - 1].got_offset = got_offset;
1705 break;
1706 }
1707 got_offset = info [dupes].got_offset;
1708 prev = curr;
1709 }
1710
1711 /* How much to move. */
1712 len = dupes - src;
1713 i = dupes + 1;
1714
1715 if (len == 1 && dupes < count)
1716 {
1717 /* If we only move 1 element, we combine it with the next
1718 one. There must be at least a duplicate. Find the
1719 next different one. */
1720 for (diff = dupes + 1, src++; diff < count; diff++, src++)
1721 {
1722 if (info [diff].addend != curr)
1723 break;
1724 /* Make sure that got_offset is valid. */
1725 if (got_offset == (bfd_vma) -1)
1726 got_offset = info [diff].got_offset;
1727 }
1728
1729 /* Makre sure that the last duplicated one has an valid
1730 offset. */
1731 BFD_ASSERT (curr == prev);
1732 if (got_offset != (bfd_vma) -1)
1733 info [diff - 1].got_offset = got_offset;
1734
1735 if (diff < count)
1736 {
1737 /* Find the next duplicate. Track the current valid
1738 offset. */
1739 prev = info [diff].addend;
1740 got_offset = info [diff].got_offset;
1741 for (dupes = diff + 1; dupes < count; dupes ++)
1742 {
1743 curr = info [dupes].addend;
1744 if (curr == prev)
1745 {
1746 /* For duplicates, make sure that GOT_OFFSET
1747 is valid. */
1748 if (got_offset == (bfd_vma) -1)
1749 got_offset = info [dupes].got_offset;
1750 break;
1751 }
1752 got_offset = info [dupes].got_offset;
1753 prev = curr;
1754 diff++;
1755 }
1756
1757 len = diff - src + 1;
1758 i = diff + 1;
1759 }
1760 }
1761
1762 memmove (&info [dest], &info [src], len * sizeof (*info));
1763
1764 dest += len;
1765 }
1766
1767 count = dest;
1768 }
1769 else
1770 {
1771 /* When we get here, either there is no duplicate at all or
1772 the only duplicate is the last element. */
1773 if (dest < count)
1774 {
1775 /* If the last element is a duplicate, make sure that the
1776 kept one has a valid got_offset. We also update count. */
1777 if (got_offset != (bfd_vma) -1)
1778 info [dest - 1].got_offset = got_offset;
1779 count = dest;
1780 }
1781 }
1782
1783 return count;
1784}
1785
1786/* Find and/or create a descriptor for dynamic symbol info. This will
1787 vary based on global or local symbol, and the addend to the reloc.
1788
1789 We don't sort when inserting. Also, we sort and eliminate
1790 duplicates if there is an unsorted section. Typically, this will
1791 only happen once, because we do all insertions before lookups. We
1792 then use bsearch to do a lookup. This also allows lookups to be
1793 fast. So we have fast insertion (O(log N) due to duplicate check),
1794 fast lookup (O(log N)) and one sort (O(N log N) expected time).
1795 Previously, all lookups were O(N) because of the use of the linked
1796 list and also all insertions were O(N) because of the check for
1797 duplicates. There are some complications here because the array
1798 size grows occasionally, which may add an O(N) factor, but this
1799 should be rare. Also, we free the excess array allocation, which
1800 requires a copy which is O(N), but this only happens once. */
1801
1802static struct elfNN_ia64_dyn_sym_info *
1803get_dyn_sym_info (struct elfNN_ia64_link_hash_table *ia64_info,
1804 struct elf_link_hash_entry *h, bfd *abfd,
1805 const Elf_Internal_Rela *rel, bfd_boolean create)
1806{
1807 struct elfNN_ia64_dyn_sym_info **info_p, *info, *dyn_i, key;
1808 unsigned int *count_p, *sorted_count_p, *size_p;
1809 unsigned int count, sorted_count, size;
1810 bfd_vma addend = rel ? rel->r_addend : 0;
1811 bfd_size_type amt;
1812
1813 if (h)
1814 {
1815 struct elfNN_ia64_link_hash_entry *global_h;
1816
1817 global_h = (struct elfNN_ia64_link_hash_entry *) h;
1818 info_p = &global_h->info;
1819 count_p = &global_h->count;
1820 sorted_count_p = &global_h->sorted_count;
1821 size_p = &global_h->size;
1822 }
1823 else
1824 {
1825 struct elfNN_ia64_local_hash_entry *loc_h;
1826
1827 loc_h = get_local_sym_hash (ia64_info, abfd, rel, create);
1828 if (!loc_h)
1829 {
1830 BFD_ASSERT (!create);
1831 return NULL;
1832 }
1833
1834 info_p = &loc_h->info;
1835 count_p = &loc_h->count;
1836 sorted_count_p = &loc_h->sorted_count;
1837 size_p = &loc_h->size;
1838 }
1839
1840 count = *count_p;
1841 sorted_count = *sorted_count_p;
1842 size = *size_p;
1843 info = *info_p;
1844 if (create)
1845 {
1846 /* When we create the array, we don't check for duplicates,
1847 except in the previously sorted section if one exists, and
1848 against the last inserted entry. This allows insertions to
1849 be fast. */
1850 if (info)
1851 {
1852 if (sorted_count)
1853 {
1854 /* Try bsearch first on the sorted section. */
1855 key.addend = addend;
1856 dyn_i = bsearch (&key, info, sorted_count,
1857 sizeof (*info), addend_compare);
1858
1859 if (dyn_i)
1860 {
1861 return dyn_i;
1862 }
1863 }
1864
1865 /* Do a quick check for the last inserted entry. */
1866 dyn_i = info + count - 1;
1867 if (dyn_i->addend == addend)
1868 {
1869 return dyn_i;
1870 }
1871 }
1872
1873 if (size == 0)
1874 {
1875 /* It is the very first element. We create the array of size
1876 1. */
1877 size = 1;
1878 amt = size * sizeof (*info);
1879 info = bfd_malloc (amt);
1880 }
1881 else if (size <= count)
1882 {
1883 /* We double the array size every time when we reach the
1884 size limit. */
1885 size += size;
1886 amt = size * sizeof (*info);
1887 info = bfd_realloc (info, amt);
1888 }
1889 else
1890 goto has_space;
1891
1892 if (info == NULL)
1893 return NULL;
1894 *size_p = size;
1895 *info_p = info;
1896
1897has_space:
1898 /* Append the new one to the array. */
1899 dyn_i = info + count;
1900 memset (dyn_i, 0, sizeof (*dyn_i));
1901 dyn_i->got_offset = (bfd_vma) -1;
1902 dyn_i->addend = addend;
1903
1904 /* We increment count only since the new ones are unsorted and
1905 may have duplicate. */
1906 (*count_p)++;
1907 }
1908 else
1909 {
1910 /* It is a lookup without insertion. Sort array if part of the
1911 array isn't sorted. */
1912 if (count != sorted_count)
1913 {
1914 count = sort_dyn_sym_info (info, count);
1915 *count_p = count;
1916 *sorted_count_p = count;
1917 }
1918
1919 /* Free unused memory. */
1920 if (size != count)
1921 {
1922 amt = count * sizeof (*info);
1923 info = bfd_malloc (amt);
1924 if (info != NULL)
1925 {
1926 memcpy (info, *info_p, amt);
1927 free (*info_p);
1928 *size_p = count;
1929 *info_p = info;
1930 }
1931 }
1932
1933 key.addend = addend;
1934 dyn_i = bsearch (&key, info, count,
1935 sizeof (*info), addend_compare);
1936 }
1937
1938 return dyn_i;
1939}
1940
1941static asection *
1942get_got (bfd *abfd, struct bfd_link_info *info,
1943 struct elfNN_ia64_link_hash_table *ia64_info)
1944{
1945 asection *got;
1946 bfd *dynobj;
1947
1948 got = ia64_info->root.sgot;
1949 if (!got)
1950 {
1951 flagword flags;
1952
1953 dynobj = ia64_info->root.dynobj;
1954 if (!dynobj)
1955 ia64_info->root.dynobj = dynobj = abfd;
1956 if (!_bfd_elf_create_got_section (dynobj, info))
a253d456 1957 return NULL;
cbe79dfe
TG		 1958
1959 got = ia64_info->root.sgot;
1960
1961 /* The .got section is always aligned at 8 bytes. */
1962 if (!bfd_set_section_alignment (abfd, got, 3))
a253d456 1963 return NULL;
cbe79dfe
TG		 1964
1965 flags = bfd_get_section_flags (abfd, got);
a253d456
NC		 1966 if (! bfd_set_section_flags (abfd, got, SEC_SMALL_DATA | flags))
1967 return NULL;
cbe79dfe
TG		 1968 }
1969
1970 return got;
1971}
1972
1973/* Create function descriptor section (.opd). This section is called .opd
1974 because it contains "official procedure descriptors". The "official"
1975 refers to the fact that these descriptors are used when taking the address
1976 of a procedure, thus ensuring a unique address for each procedure. */
1977
1978static asection *
1979get_fptr (bfd *abfd, struct bfd_link_info *info,
1980 struct elfNN_ia64_link_hash_table *ia64_info)
1981{
1982 asection *fptr;
1983 bfd *dynobj;
1984
1985 fptr = ia64_info->fptr_sec;
1986 if (!fptr)
1987 {
1988 dynobj = ia64_info->root.dynobj;
1989 if (!dynobj)
1990 ia64_info->root.dynobj = dynobj = abfd;
1991
3d4d4302
AM		 1992 fptr = bfd_make_section_anyway_with_flags (dynobj, ".opd",
1993 (SEC_ALLOC
1994 | SEC_LOAD
1995 | SEC_HAS_CONTENTS
1996 | SEC_IN_MEMORY
0e1862bb
L		 1997 | (bfd_link_pie (info)
1998 ? 0 : SEC_READONLY)
3d4d4302 1999 | SEC_LINKER_CREATED));
cbe79dfe
TG		 2000 if (!fptr
2001 || !bfd_set_section_alignment (abfd, fptr, 4))
2002 {
2003 BFD_ASSERT (0);
2004 return NULL;
2005 }
2006
2007 ia64_info->fptr_sec = fptr;
2008
0e1862bb 2009 if (bfd_link_pie (info))
cbe79dfe
TG		 2010 {
2011 asection *fptr_rel;
3d4d4302
AM		 2012 fptr_rel = bfd_make_section_anyway_with_flags (dynobj, ".rela.opd",
2013 (SEC_ALLOC | SEC_LOAD
2014 | SEC_HAS_CONTENTS
2015 | SEC_IN_MEMORY
2016 | SEC_LINKER_CREATED
2017 | SEC_READONLY));
cbe79dfe
TG		 2018 if (fptr_rel == NULL
2019 || !bfd_set_section_alignment (abfd, fptr_rel,
2020 LOG_SECTION_ALIGN))
2021 {
2022 BFD_ASSERT (0);
2023 return NULL;
2024 }
2025
2026 ia64_info->rel_fptr_sec = fptr_rel;
2027 }
2028 }
2029
2030 return fptr;
2031}
2032
2033static asection *
2034get_pltoff (bfd *abfd, struct bfd_link_info *info ATTRIBUTE_UNUSED,
2035 struct elfNN_ia64_link_hash_table *ia64_info)
2036{
2037 asection *pltoff;
2038 bfd *dynobj;
2039
2040 pltoff = ia64_info->pltoff_sec;
2041 if (!pltoff)
2042 {
2043 dynobj = ia64_info->root.dynobj;
2044 if (!dynobj)
2045 ia64_info->root.dynobj = dynobj = abfd;
2046
3d4d4302
AM		 2047 pltoff = bfd_make_section_anyway_with_flags (dynobj,
2048 ELF_STRING_ia64_pltoff,
2049 (SEC_ALLOC
2050 | SEC_LOAD
2051 | SEC_HAS_CONTENTS
2052 | SEC_IN_MEMORY
2053 | SEC_SMALL_DATA
2054 | SEC_LINKER_CREATED));
cbe79dfe
TG		 2055 if (!pltoff
2056 || !bfd_set_section_alignment (abfd, pltoff, 4))
2057 {
2058 BFD_ASSERT (0);
2059 return NULL;
2060 }
2061
2062 ia64_info->pltoff_sec = pltoff;
2063 }
2064
2065 return pltoff;
2066}
2067
2068static asection *
2069get_reloc_section (bfd *abfd,
2070 struct elfNN_ia64_link_hash_table *ia64_info,
2071 asection *sec, bfd_boolean create)
2072{
2073 const char *srel_name;
2074 asection *srel;
2075 bfd *dynobj;
2076
2077 srel_name = (bfd_elf_string_from_elf_section
2078 (abfd, elf_elfheader(abfd)->e_shstrndx,
2079 _bfd_elf_single_rel_hdr (sec)->sh_name));
2080 if (srel_name == NULL)
2081 return NULL;
2082
2083 dynobj = ia64_info->root.dynobj;
2084 if (!dynobj)
2085 ia64_info->root.dynobj = dynobj = abfd;
2086
3d4d4302 2087 srel = bfd_get_linker_section (dynobj, srel_name);
cbe79dfe
TG		 2088 if (srel == NULL && create)
2089 {
3d4d4302
AM		 2090 srel = bfd_make_section_anyway_with_flags (dynobj, srel_name,
2091 (SEC_ALLOC | SEC_LOAD
2092 | SEC_HAS_CONTENTS
2093 | SEC_IN_MEMORY
2094 | SEC_LINKER_CREATED
2095 | SEC_READONLY));
cbe79dfe
TG		 2096 if (srel == NULL
2097 || !bfd_set_section_alignment (dynobj, srel,
2098 LOG_SECTION_ALIGN))
2099 return NULL;
2100 }
2101
2102 return srel;
2103}
2104
2105static bfd_boolean
2106count_dyn_reloc (bfd *abfd, struct elfNN_ia64_dyn_sym_info *dyn_i,
2107 asection *srel, int type, bfd_boolean reltext)
2108{
2109 struct elfNN_ia64_dyn_reloc_entry *rent;
2110
2111 for (rent = dyn_i->reloc_entries; rent; rent = rent->next)
2112 if (rent->srel == srel && rent->type == type)
2113 break;
2114
2115 if (!rent)
2116 {
2117 rent = ((struct elfNN_ia64_dyn_reloc_entry *)
2118 bfd_alloc (abfd, (bfd_size_type) sizeof (*rent)));
2119 if (!rent)
2120 return FALSE;
2121
2122 rent->next = dyn_i->reloc_entries;
2123 rent->srel = srel;
2124 rent->type = type;
2125 rent->count = 0;
2126 dyn_i->reloc_entries = rent;
2127 }
23ebcd30 2128 rent->reltext = reltext;
cbe79dfe
TG		 2129 rent->count++;
2130
2131 return TRUE;
2132}
2133
2134static bfd_boolean
2135elfNN_ia64_check_relocs (bfd *abfd, struct bfd_link_info *info,
2136 asection *sec,
2137 const Elf_Internal_Rela *relocs)
2138{
2139 struct elfNN_ia64_link_hash_table *ia64_info;
2140 const Elf_Internal_Rela *relend;
2141 Elf_Internal_Shdr *symtab_hdr;
2142 const Elf_Internal_Rela *rel;
2143 asection *got, *fptr, *srel, *pltoff;
2144 enum {
2145 NEED_GOT = 1,
2146 NEED_GOTX = 2,
2147 NEED_FPTR = 4,
2148 NEED_PLTOFF = 8,
2149 NEED_MIN_PLT = 16,
2150 NEED_FULL_PLT = 32,
2151 NEED_DYNREL = 64,
2152 NEED_LTOFF_FPTR = 128,
2153 NEED_TPREL = 256,
2154 NEED_DTPMOD = 512,
2155 NEED_DTPREL = 1024
2156 };
2157 int need_entry;
2158 struct elf_link_hash_entry *h;
2159 unsigned long r_symndx;
2160 bfd_boolean maybe_dynamic;
2161
0e1862bb 2162 if (bfd_link_relocatable (info))
cbe79dfe
TG		 2163 return TRUE;
2164
2165 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
2166 ia64_info = elfNN_ia64_hash_table (info);
2167 if (ia64_info == NULL)
2168 return FALSE;
2169
2170 got = fptr = srel = pltoff = NULL;
2171
2172 relend = relocs + sec->reloc_count;
2173
2174 /* We scan relocations first to create dynamic relocation arrays. We
2175 modified get_dyn_sym_info to allow fast insertion and support fast
2176 lookup in the next loop. */
2177 for (rel = relocs; rel < relend; ++rel)
2178 {
2179 r_symndx = ELFNN_R_SYM (rel->r_info);
2180 if (r_symndx >= symtab_hdr->sh_info)
2181 {
2182 long indx = r_symndx - symtab_hdr->sh_info;
2183 h = elf_sym_hashes (abfd)[indx];
2184 while (h->root.type == bfd_link_hash_indirect
2185 || h->root.type == bfd_link_hash_warning)
2186 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2187 }
2188 else
2189 h = NULL;
2190
2191 /* We can only get preliminary data on whether a symbol is
2192 locally or externally defined, as not all of the input files
2193 have yet been processed. Do something with what we know, as
2194 this may help reduce memory usage and processing time later. */
0e1862bb 2195 maybe_dynamic = (h && ((!bfd_link_executable (info)
cbe79dfe
TG		 2196 && (!SYMBOLIC_BIND (info, h)
2197 || info->unresolved_syms_in_shared_libs == RM_IGNORE))
2198 || !h->def_regular
2199 || h->root.type == bfd_link_hash_defweak));
2200
2201 need_entry = 0;
2202 switch (ELFNN_R_TYPE (rel->r_info))
2203 {
2204 case R_IA64_TPREL64MSB:
2205 case R_IA64_TPREL64LSB:
0e1862bb 2206 if (bfd_link_pic (info) || maybe_dynamic)
cbe79dfe
TG		 2207 need_entry = NEED_DYNREL;
2208 break;
2209
2210 case R_IA64_LTOFF_TPREL22:
2211 need_entry = NEED_TPREL;
0e1862bb 2212 if (bfd_link_pic (info))
cbe79dfe
TG		 2213 info->flags |= DF_STATIC_TLS;
2214 break;
2215
2216 case R_IA64_DTPREL32MSB:
2217 case R_IA64_DTPREL32LSB:
2218 case R_IA64_DTPREL64MSB:
2219 case R_IA64_DTPREL64LSB:
0e1862bb 2220 if (bfd_link_pic (info) || maybe_dynamic)
cbe79dfe
TG		 2221 need_entry = NEED_DYNREL;
2222 break;
2223
2224 case R_IA64_LTOFF_DTPREL22:
2225 need_entry = NEED_DTPREL;
2226 break;
2227
2228 case R_IA64_DTPMOD64MSB:
2229 case R_IA64_DTPMOD64LSB:
0e1862bb 2230 if (bfd_link_pic (info) || maybe_dynamic)
cbe79dfe
TG		 2231 need_entry = NEED_DYNREL;
2232 break;
2233
2234 case R_IA64_LTOFF_DTPMOD22:
2235 need_entry = NEED_DTPMOD;
2236 break;
2237
2238 case R_IA64_LTOFF_FPTR22:
2239 case R_IA64_LTOFF_FPTR64I:
2240 case R_IA64_LTOFF_FPTR32MSB:
2241 case R_IA64_LTOFF_FPTR32LSB:
2242 case R_IA64_LTOFF_FPTR64MSB:
2243 case R_IA64_LTOFF_FPTR64LSB:
2244 need_entry = NEED_FPTR | NEED_GOT | NEED_LTOFF_FPTR;
2245 break;
2246
2247 case R_IA64_FPTR64I:
2248 case R_IA64_FPTR32MSB:
2249 case R_IA64_FPTR32LSB:
2250 case R_IA64_FPTR64MSB:
2251 case R_IA64_FPTR64LSB:
0e1862bb 2252 if (bfd_link_pic (info) || h)
cbe79dfe
TG		 2253 need_entry = NEED_FPTR | NEED_DYNREL;
2254 else
2255 need_entry = NEED_FPTR;
2256 break;
2257
2258 case R_IA64_LTOFF22:
2259 case R_IA64_LTOFF64I:
2260 need_entry = NEED_GOT;
2261 break;
2262
2263 case R_IA64_LTOFF22X:
2264 need_entry = NEED_GOTX;
2265 break;
2266
2267 case R_IA64_PLTOFF22:
2268 case R_IA64_PLTOFF64I:
2269 case R_IA64_PLTOFF64MSB:
2270 case R_IA64_PLTOFF64LSB:
2271 need_entry = NEED_PLTOFF;
2272 if (h)
2273 {
2274 if (maybe_dynamic)
2275 need_entry |= NEED_MIN_PLT;
2276 }
2277 else
2278 {
2279 (*info->callbacks->warning)
2280 (info, _("@pltoff reloc against local symbol"), 0,
2281 abfd, 0, (bfd_vma) 0);
2282 }
2283 break;
2284
2285 case R_IA64_PCREL21B:
2286 case R_IA64_PCREL60B:
2287 /* Depending on where this symbol is defined, we may or may not
2288 need a full plt entry. Only skip if we know we'll not need
2289 the entry -- static or symbolic, and the symbol definition
2290 has already been seen. */
2291 if (maybe_dynamic && rel->r_addend == 0)
2292 need_entry = NEED_FULL_PLT;
2293 break;
2294
2295 case R_IA64_IMM14:
2296 case R_IA64_IMM22:
2297 case R_IA64_IMM64:
2298 case R_IA64_DIR32MSB:
2299 case R_IA64_DIR32LSB:
2300 case R_IA64_DIR64MSB:
2301 case R_IA64_DIR64LSB:
2302 /* Shared objects will always need at least a REL relocation. */
0e1862bb 2303 if (bfd_link_pic (info) || maybe_dynamic)
cbe79dfe
TG		 2304 need_entry = NEED_DYNREL;
2305 break;
2306
2307 case R_IA64_IPLTMSB:
2308 case R_IA64_IPLTLSB:
2309 /* Shared objects will always need at least a REL relocation. */
0e1862bb 2310 if (bfd_link_pic (info) || maybe_dynamic)
cbe79dfe
TG		 2311 need_entry = NEED_DYNREL;
2312 break;
2313
2314 case R_IA64_PCREL22:
2315 case R_IA64_PCREL64I:
2316 case R_IA64_PCREL32MSB:
2317 case R_IA64_PCREL32LSB:
2318 case R_IA64_PCREL64MSB:
2319 case R_IA64_PCREL64LSB:
2320 if (maybe_dynamic)
2321 need_entry = NEED_DYNREL;
2322 break;
2323 }
2324
2325 if (!need_entry)
2326 continue;
2327
2328 if ((need_entry & NEED_FPTR) != 0
2329 && rel->r_addend)
2330 {
2331 (*info->callbacks->warning)
2332 (info, _("non-zero addend in @fptr reloc"), 0,
2333 abfd, 0, (bfd_vma) 0);
2334 }
2335
2336 if (get_dyn_sym_info (ia64_info, h, abfd, rel, TRUE) == NULL)
2337 return FALSE;
2338 }
2339
2340 /* Now, we only do lookup without insertion, which is very fast
2341 with the modified get_dyn_sym_info. */
2342 for (rel = relocs; rel < relend; ++rel)
2343 {
2344 struct elfNN_ia64_dyn_sym_info *dyn_i;
2345 int dynrel_type = R_IA64_NONE;
2346
2347 r_symndx = ELFNN_R_SYM (rel->r_info);
2348 if (r_symndx >= symtab_hdr->sh_info)
2349 {
2350 /* We're dealing with a global symbol -- find its hash entry
2351 and mark it as being referenced. */
2352 long indx = r_symndx - symtab_hdr->sh_info;
2353 h = elf_sym_hashes (abfd)[indx];
2354 while (h->root.type == bfd_link_hash_indirect
2355 || h->root.type == bfd_link_hash_warning)
2356 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2357
81fbe831
AM		 2358 /* PR15323, ref flags aren't set for references in the same
2359 object. */
2360 h->root.non_ir_ref = 1;
cbe79dfe
TG		 2361 h->ref_regular = 1;
2362 }
2363 else
2364 h = NULL;
2365
2366 /* We can only get preliminary data on whether a symbol is
2367 locally or externally defined, as not all of the input files
2368 have yet been processed. Do something with what we know, as
2369 this may help reduce memory usage and processing time later. */
0e1862bb 2370 maybe_dynamic = (h && ((!bfd_link_executable (info)
cbe79dfe
TG		 2371 && (!SYMBOLIC_BIND (info, h)
2372 || info->unresolved_syms_in_shared_libs == RM_IGNORE))
2373 || !h->def_regular
2374 || h->root.type == bfd_link_hash_defweak));
2375
2376 need_entry = 0;
2377 switch (ELFNN_R_TYPE (rel->r_info))
2378 {
2379 case R_IA64_TPREL64MSB:
2380 case R_IA64_TPREL64LSB:
0e1862bb 2381 if (bfd_link_pic (info) || maybe_dynamic)
cbe79dfe
TG		 2382 need_entry = NEED_DYNREL;
2383 dynrel_type = R_IA64_TPREL64LSB;
0e1862bb 2384 if (bfd_link_pic (info))
cbe79dfe
TG		 2385 info->flags |= DF_STATIC_TLS;
2386 break;
2387
2388 case R_IA64_LTOFF_TPREL22:
2389 need_entry = NEED_TPREL;
0e1862bb 2390 if (bfd_link_pic (info))
cbe79dfe
TG		 2391 info->flags |= DF_STATIC_TLS;
2392 break;
2393
2394 case R_IA64_DTPREL32MSB:
2395 case R_IA64_DTPREL32LSB:
2396 case R_IA64_DTPREL64MSB:
2397 case R_IA64_DTPREL64LSB:
0e1862bb 2398 if (bfd_link_pic (info) || maybe_dynamic)
cbe79dfe
TG		 2399 need_entry = NEED_DYNREL;
2400 dynrel_type = R_IA64_DTPRELNNLSB;
2401 break;
2402
2403 case R_IA64_LTOFF_DTPREL22:
2404 need_entry = NEED_DTPREL;
2405 break;
2406
2407 case R_IA64_DTPMOD64MSB:
2408 case R_IA64_DTPMOD64LSB:
0e1862bb 2409 if (bfd_link_pic (info) || maybe_dynamic)
cbe79dfe
TG		 2410 need_entry = NEED_DYNREL;
2411 dynrel_type = R_IA64_DTPMOD64LSB;
2412 break;
2413
2414 case R_IA64_LTOFF_DTPMOD22:
2415 need_entry = NEED_DTPMOD;
2416 break;
2417
2418 case R_IA64_LTOFF_FPTR22:
2419 case R_IA64_LTOFF_FPTR64I:
2420 case R_IA64_LTOFF_FPTR32MSB:
2421 case R_IA64_LTOFF_FPTR32LSB:
2422 case R_IA64_LTOFF_FPTR64MSB:
2423 case R_IA64_LTOFF_FPTR64LSB:
2424 need_entry = NEED_FPTR | NEED_GOT | NEED_LTOFF_FPTR;
2425 break;
2426
2427 case R_IA64_FPTR64I:
2428 case R_IA64_FPTR32MSB:
2429 case R_IA64_FPTR32LSB:
2430 case R_IA64_FPTR64MSB:
2431 case R_IA64_FPTR64LSB:
0e1862bb 2432 if (bfd_link_pic (info) || h)
cbe79dfe
TG		 2433 need_entry = NEED_FPTR | NEED_DYNREL;
2434 else
2435 need_entry = NEED_FPTR;
2436 dynrel_type = R_IA64_FPTRNNLSB;
2437 break;
2438
2439 case R_IA64_LTOFF22:
2440 case R_IA64_LTOFF64I:
2441 need_entry = NEED_GOT;
2442 break;
2443
2444 case R_IA64_LTOFF22X:
2445 need_entry = NEED_GOTX;
2446 break;
2447
2448 case R_IA64_PLTOFF22:
2449 case R_IA64_PLTOFF64I:
2450 case R_IA64_PLTOFF64MSB:
2451 case R_IA64_PLTOFF64LSB:
2452 need_entry = NEED_PLTOFF;
2453 if (h)
2454 {
2455 if (maybe_dynamic)
2456 need_entry |= NEED_MIN_PLT;
2457 }
2458 break;
2459
2460 case R_IA64_PCREL21B:
2461 case R_IA64_PCREL60B:
2462 /* Depending on where this symbol is defined, we may or may not
2463 need a full plt entry. Only skip if we know we'll not need
2464 the entry -- static or symbolic, and the symbol definition
2465 has already been seen. */
2466 if (maybe_dynamic && rel->r_addend == 0)
2467 need_entry = NEED_FULL_PLT;
2468 break;
2469
2470 case R_IA64_IMM14:
2471 case R_IA64_IMM22:
2472 case R_IA64_IMM64:
2473 case R_IA64_DIR32MSB:
2474 case R_IA64_DIR32LSB:
2475 case R_IA64_DIR64MSB:
2476 case R_IA64_DIR64LSB:
2477 /* Shared objects will always need at least a REL relocation. */
0e1862bb 2478 if (bfd_link_pic (info) || maybe_dynamic)
cbe79dfe
TG		 2479 need_entry = NEED_DYNREL;
2480 dynrel_type = R_IA64_DIRNNLSB;
2481 break;
2482
2483 case R_IA64_IPLTMSB:
2484 case R_IA64_IPLTLSB:
2485 /* Shared objects will always need at least a REL relocation. */
0e1862bb 2486 if (bfd_link_pic (info) || maybe_dynamic)
cbe79dfe
TG		 2487 need_entry = NEED_DYNREL;
2488 dynrel_type = R_IA64_IPLTLSB;
2489 break;
2490
2491 case R_IA64_PCREL22:
2492 case R_IA64_PCREL64I:
2493 case R_IA64_PCREL32MSB:
2494 case R_IA64_PCREL32LSB:
2495 case R_IA64_PCREL64MSB:
2496 case R_IA64_PCREL64LSB:
2497 if (maybe_dynamic)
2498 need_entry = NEED_DYNREL;
2499 dynrel_type = R_IA64_PCRELNNLSB;
2500 break;
2501 }
2502
2503 if (!need_entry)
2504 continue;
2505
2506 dyn_i = get_dyn_sym_info (ia64_info, h, abfd, rel, FALSE);
2507
2508 /* Record whether or not this is a local symbol. */
2509 dyn_i->h = h;
2510
2511 /* Create what's needed. */
2512 if (need_entry & (NEED_GOT | NEED_GOTX | NEED_TPREL
2513 | NEED_DTPMOD | NEED_DTPREL))
2514 {
2515 if (!got)
2516 {
2517 got = get_got (abfd, info, ia64_info);
2518 if (!got)
2519 return FALSE;
2520 }
2521 if (need_entry & NEED_GOT)
2522 dyn_i->want_got = 1;
2523 if (need_entry & NEED_GOTX)
2524 dyn_i->want_gotx = 1;
2525 if (need_entry & NEED_TPREL)
2526 dyn_i->want_tprel = 1;
2527 if (need_entry & NEED_DTPMOD)
2528 dyn_i->want_dtpmod = 1;
2529 if (need_entry & NEED_DTPREL)
2530 dyn_i->want_dtprel = 1;
2531 }
2532 if (need_entry & NEED_FPTR)
2533 {
2534 if (!fptr)
2535 {
2536 fptr = get_fptr (abfd, info, ia64_info);
2537 if (!fptr)
2538 return FALSE;
2539 }
2540
2541 /* FPTRs for shared libraries are allocated by the dynamic
2542 linker. Make sure this local symbol will appear in the
2543 dynamic symbol table. */
0e1862bb 2544 if (!h && bfd_link_pic (info))
cbe79dfe
TG		 2545 {
2546 if (! (bfd_elf_link_record_local_dynamic_symbol
2547 (info, abfd, (long) r_symndx)))
2548 return FALSE;
2549 }
2550
2551 dyn_i->want_fptr = 1;
2552 }
2553 if (need_entry & NEED_LTOFF_FPTR)
2554 dyn_i->want_ltoff_fptr = 1;
2555 if (need_entry & (NEED_MIN_PLT | NEED_FULL_PLT))
2556 {
2557 if (!ia64_info->root.dynobj)
2558 ia64_info->root.dynobj = abfd;
2559 h->needs_plt = 1;
2560 dyn_i->want_plt = 1;
2561 }
2562 if (need_entry & NEED_FULL_PLT)
2563 dyn_i->want_plt2 = 1;
2564 if (need_entry & NEED_PLTOFF)
2565 {
2566 /* This is needed here, in case @pltoff is used in a non-shared
2567 link. */
2568 if (!pltoff)
2569 {
2570 pltoff = get_pltoff (abfd, info, ia64_info);
2571 if (!pltoff)
2572 return FALSE;
2573 }
2574
2575 dyn_i->want_pltoff = 1;
2576 }
2577 if ((need_entry & NEED_DYNREL) && (sec->flags & SEC_ALLOC))
2578 {
2579 if (!srel)
2580 {
2581 srel = get_reloc_section (abfd, ia64_info, sec, TRUE);
2582 if (!srel)
2583 return FALSE;
2584 }
2585 if (!count_dyn_reloc (abfd, dyn_i, srel, dynrel_type,
2586 (sec->flags & SEC_READONLY) != 0))
2587 return FALSE;
2588 }
2589 }
2590
2591 return TRUE;
2592}
2593
2594/* For cleanliness, and potentially faster dynamic loading, allocate
2595 external GOT entries first. */
2596
2597static bfd_boolean
2598allocate_global_data_got (struct elfNN_ia64_dyn_sym_info *dyn_i,
2599 void * data)
2600{
2601 struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
2602
2603 if ((dyn_i->want_got || dyn_i->want_gotx)
2604 && ! dyn_i->want_fptr
2605 && elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info, 0))
2606 {
2607 dyn_i->got_offset = x->ofs;
2608 x->ofs += 8;
2609 }
2610 if (dyn_i->want_tprel)
2611 {
2612 dyn_i->tprel_offset = x->ofs;
2613 x->ofs += 8;
2614 }
2615 if (dyn_i->want_dtpmod)
2616 {
2617 if (elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info, 0))
2618 {
2619 dyn_i->dtpmod_offset = x->ofs;
2620 x->ofs += 8;
2621 }
2622 else
2623 {
2624 struct elfNN_ia64_link_hash_table *ia64_info;
2625
2626 ia64_info = elfNN_ia64_hash_table (x->info);
2627 if (ia64_info == NULL)
2628 return FALSE;
2629
2630 if (ia64_info->self_dtpmod_offset == (bfd_vma) -1)
2631 {
2632 ia64_info->self_dtpmod_offset = x->ofs;
2633 x->ofs += 8;
2634 }
2635 dyn_i->dtpmod_offset = ia64_info->self_dtpmod_offset;
2636 }
2637 }
2638 if (dyn_i->want_dtprel)
2639 {
2640 dyn_i->dtprel_offset = x->ofs;
2641 x->ofs += 8;
2642 }
2643 return TRUE;
2644}
2645
2646/* Next, allocate all the GOT entries used by LTOFF_FPTR relocs. */
2647
2648static bfd_boolean
2649allocate_global_fptr_got (struct elfNN_ia64_dyn_sym_info *dyn_i,
2650 void * data)
2651{
2652 struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
2653
2654 if (dyn_i->want_got
2655 && dyn_i->want_fptr
2656 && elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info, R_IA64_FPTRNNLSB))
2657 {
2658 dyn_i->got_offset = x->ofs;
2659 x->ofs += 8;
2660 }
2661 return TRUE;
2662}
2663
2664/* Lastly, allocate all the GOT entries for local data. */
2665
2666static bfd_boolean
2667allocate_local_got (struct elfNN_ia64_dyn_sym_info *dyn_i,
2c3fc389 2668 void * data)
cbe79dfe
TG		 2669{
2670 struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
2671
2672 if ((dyn_i->want_got || dyn_i->want_gotx)
2673 && !elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info, 0))
2674 {
2675 dyn_i->got_offset = x->ofs;
2676 x->ofs += 8;
2677 }
2678 return TRUE;
2679}
2680
2681/* Search for the index of a global symbol in it's defining object file. */
2682
2683static long
2684global_sym_index (struct elf_link_hash_entry *h)
2685{
2686 struct elf_link_hash_entry **p;
2687 bfd *obj;
2688
2689 BFD_ASSERT (h->root.type == bfd_link_hash_defined
2690 || h->root.type == bfd_link_hash_defweak);
2691
2692 obj = h->root.u.def.section->owner;
2693 for (p = elf_sym_hashes (obj); *p != h; ++p)
2694 continue;
2695
2696 return p - elf_sym_hashes (obj) + elf_tdata (obj)->symtab_hdr.sh_info;
2697}
2698
2699/* Allocate function descriptors. We can do these for every function
2700 in a main executable that is not exported. */
2701
2702static bfd_boolean
2c3fc389 2703allocate_fptr (struct elfNN_ia64_dyn_sym_info *dyn_i, void * data)
cbe79dfe
TG		 2704{
2705 struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
2706
2707 if (dyn_i->want_fptr)
2708 {
2709 struct elf_link_hash_entry *h = dyn_i->h;
2710
2711 if (h)
2712 while (h->root.type == bfd_link_hash_indirect
2713 || h->root.type == bfd_link_hash_warning)
2714 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2715
0e1862bb 2716 if (!bfd_link_executable (x->info)
cbe79dfe
TG		 2717 && (!h
2718 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2719 || (h->root.type != bfd_link_hash_undefweak
2720 && h->root.type != bfd_link_hash_undefined)))
2721 {
2722 if (h && h->dynindx == -1)
2723 {
2724 BFD_ASSERT ((h->root.type == bfd_link_hash_defined)
2725 || (h->root.type == bfd_link_hash_defweak));
2726
2727 if (!bfd_elf_link_record_local_dynamic_symbol
2728 (x->info, h->root.u.def.section->owner,
2729 global_sym_index (h)))
2730 return FALSE;
2731 }
2732
2733 dyn_i->want_fptr = 0;
2734 }
2735 else if (h == NULL || h->dynindx == -1)
2736 {
2737 dyn_i->fptr_offset = x->ofs;
2738 x->ofs += 16;
2739 }
2740 else
2741 dyn_i->want_fptr = 0;
2742 }
2743 return TRUE;
2744}
2745
2746/* Allocate all the minimal PLT entries. */
2747
2748static bfd_boolean
2749allocate_plt_entries (struct elfNN_ia64_dyn_sym_info *dyn_i,
2c3fc389 2750 void * data)
cbe79dfe
TG		 2751{
2752 struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
2753
2754 if (dyn_i->want_plt)
2755 {
2756 struct elf_link_hash_entry *h = dyn_i->h;
2757
2758 if (h)
2759 while (h->root.type == bfd_link_hash_indirect
2760 || h->root.type == bfd_link_hash_warning)
2761 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2762
2763 /* ??? Versioned symbols seem to lose NEEDS_PLT. */
2764 if (elfNN_ia64_dynamic_symbol_p (h, x->info, 0))
2765 {
2766 bfd_size_type offset = x->ofs;
2767 if (offset == 0)
2768 offset = PLT_HEADER_SIZE;
2769 dyn_i->plt_offset = offset;
2770 x->ofs = offset + PLT_MIN_ENTRY_SIZE;
2771
2772 dyn_i->want_pltoff = 1;
2773 }
2774 else
2775 {
2776 dyn_i->want_plt = 0;
2777 dyn_i->want_plt2 = 0;
2778 }
2779 }
2780 return TRUE;
2781}
2782
2783/* Allocate all the full PLT entries. */
2784
2785static bfd_boolean
2786allocate_plt2_entries (struct elfNN_ia64_dyn_sym_info *dyn_i,
2c3fc389 2787 void * data)
cbe79dfe
TG		 2788{
2789 struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
2790
2791 if (dyn_i->want_plt2)
2792 {
2793 struct elf_link_hash_entry *h = dyn_i->h;
2794 bfd_size_type ofs = x->ofs;
2795
2796 dyn_i->plt2_offset = ofs;
2797 x->ofs = ofs + PLT_FULL_ENTRY_SIZE;
2798
2799 while (h->root.type == bfd_link_hash_indirect
2800 || h->root.type == bfd_link_hash_warning)
2801 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2802 dyn_i->h->plt.offset = ofs;
2803 }
2804 return TRUE;
2805}
2806
2807/* Allocate all the PLTOFF entries requested by relocations and
2808 plt entries. We can't share space with allocated FPTR entries,
2809 because the latter are not necessarily addressable by the GP.
2810 ??? Relaxation might be able to determine that they are. */
2811
2812static bfd_boolean
2813allocate_pltoff_entries (struct elfNN_ia64_dyn_sym_info *dyn_i,
2c3fc389 2814 void * data)
cbe79dfe
TG		 2815{
2816 struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
2817
2818 if (dyn_i->want_pltoff)
2819 {
2820 dyn_i->pltoff_offset = x->ofs;
2821 x->ofs += 16;
2822 }
2823 return TRUE;
2824}
2825
2826/* Allocate dynamic relocations for those symbols that turned out
2827 to be dynamic. */
2828
2829static bfd_boolean
2830allocate_dynrel_entries (struct elfNN_ia64_dyn_sym_info *dyn_i,
2c3fc389 2831 void * data)
cbe79dfe
TG		 2832{
2833 struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
2834 struct elfNN_ia64_link_hash_table *ia64_info;
2835 struct elfNN_ia64_dyn_reloc_entry *rent;
2836 bfd_boolean dynamic_symbol, shared, resolved_zero;
2837
2838 ia64_info = elfNN_ia64_hash_table (x->info);
2839 if (ia64_info == NULL)
2840 return FALSE;
2841
2842 /* Note that this can't be used in relation to FPTR relocs below. */
2843 dynamic_symbol = elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info, 0);
2844
0e1862bb 2845 shared = bfd_link_pic (x->info);
cbe79dfe
TG		 2846 resolved_zero = (dyn_i->h
2847 && ELF_ST_VISIBILITY (dyn_i->h->other)
2848 && dyn_i->h->root.type == bfd_link_hash_undefweak);
2849
2850 /* Take care of the GOT and PLT relocations. */
2851
2852 if ((!resolved_zero
2853 && (dynamic_symbol || shared)
2854 && (dyn_i->want_got || dyn_i->want_gotx))
2855 || (dyn_i->want_ltoff_fptr
2856 && dyn_i->h
2857 && dyn_i->h->dynindx != -1))
2858 {
2859 if (!dyn_i->want_ltoff_fptr
0e1862bb 2860 || !bfd_link_pie (x->info)
cbe79dfe
TG		 2861 || dyn_i->h == NULL
2862 || dyn_i->h->root.type != bfd_link_hash_undefweak)
2863 ia64_info->root.srelgot->size += sizeof (ElfNN_External_Rela);
2864 }
2865 if ((dynamic_symbol || shared) && dyn_i->want_tprel)
2866 ia64_info->root.srelgot->size += sizeof (ElfNN_External_Rela);
2867 if (dynamic_symbol && dyn_i->want_dtpmod)
2868 ia64_info->root.srelgot->size += sizeof (ElfNN_External_Rela);
2869 if (dynamic_symbol && dyn_i->want_dtprel)
2870 ia64_info->root.srelgot->size += sizeof (ElfNN_External_Rela);
2871
2872 if (x->only_got)
2873 return TRUE;
2874
2875 if (ia64_info->rel_fptr_sec && dyn_i->want_fptr)
2876 {
2877 if (dyn_i->h == NULL || dyn_i->h->root.type != bfd_link_hash_undefweak)
2878 ia64_info->rel_fptr_sec->size += sizeof (ElfNN_External_Rela);
2879 }
2880
2881 if (!resolved_zero && dyn_i->want_pltoff)
2882 {
2883 bfd_size_type t = 0;
2884
2885 /* Dynamic symbols get one IPLT relocation. Local symbols in
2886 shared libraries get two REL relocations. Local symbols in
2887 main applications get nothing. */
2888 if (dynamic_symbol)
2889 t = sizeof (ElfNN_External_Rela);
2890 else if (shared)
2891 t = 2 * sizeof (ElfNN_External_Rela);
2892
2893 ia64_info->rel_pltoff_sec->size += t;
2894 }
2895
2896 /* Take care of the normal data relocations. */
2897
2898 for (rent = dyn_i->reloc_entries; rent; rent = rent->next)
2899 {
2900 int count = rent->count;
2901
2902 switch (rent->type)
2903 {
2904 case R_IA64_FPTR32LSB:
2905 case R_IA64_FPTR64LSB:
2906 /* Allocate one iff !want_fptr and not PIE, which by this point
2907 will be true only if we're actually allocating one statically
2908 in the main executable. Position independent executables
2909 need a relative reloc. */
0e1862bb 2910 if (dyn_i->want_fptr && !bfd_link_pie (x->info))
cbe79dfe
TG		 2911 continue;
2912 break;
2913 case R_IA64_PCREL32LSB:
2914 case R_IA64_PCREL64LSB:
2915 if (!dynamic_symbol)
2916 continue;
2917 break;
2918 case R_IA64_DIR32LSB:
2919 case R_IA64_DIR64LSB:
2920 if (!dynamic_symbol && !shared)
2921 continue;
2922 break;
2923 case R_IA64_IPLTLSB:
2924 if (!dynamic_symbol && !shared)
2925 continue;
2926 /* Use two REL relocations for IPLT relocations
2927 against local symbols. */
2928 if (!dynamic_symbol)
2929 count *= 2;
2930 break;
2931 case R_IA64_DTPREL32LSB:
2932 case R_IA64_TPREL64LSB:
2933 case R_IA64_DTPREL64LSB:
2934 case R_IA64_DTPMOD64LSB:
2935 break;
2936 default:
2937 abort ();
2938 }
2939 if (rent->reltext)
2940 ia64_info->reltext = 1;
2941 rent->srel->size += sizeof (ElfNN_External_Rela) * count;
2942 }
2943
2944 return TRUE;
2945}
2946
2947static bfd_boolean
2948elfNN_ia64_adjust_dynamic_symbol (struct bfd_link_info *info ATTRIBUTE_UNUSED,
2949 struct elf_link_hash_entry *h)
2950{
2951 /* ??? Undefined symbols with PLT entries should be re-defined
2952 to be the PLT entry. */
2953
2954 /* If this is a weak symbol, and there is a real definition, the
2955 processor independent code will have arranged for us to see the
2956 real definition first, and we can just use the same value. */
2957 if (h->u.weakdef != NULL)
2958 {
2959 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
2960 || h->u.weakdef->root.type == bfd_link_hash_defweak);
2961 h->root.u.def.section = h->u.weakdef->root.u.def.section;
2962 h->root.u.def.value = h->u.weakdef->root.u.def.value;
2963 return TRUE;
2964 }
2965
2966 /* If this is a reference to a symbol defined by a dynamic object which
2967 is not a function, we might allocate the symbol in our .dynbss section
2968 and allocate a COPY dynamic relocation.
2969
2970 But IA-64 code is canonically PIC, so as a rule we can avoid this sort
2971 of hackery. */
2972
2973 return TRUE;
2974}
2975
2976static bfd_boolean
2977elfNN_ia64_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
2978 struct bfd_link_info *info)
2979{
2980 struct elfNN_ia64_allocate_data data;
2981 struct elfNN_ia64_link_hash_table *ia64_info;
2982 asection *sec;
2983 bfd *dynobj;
2984 bfd_boolean relplt = FALSE;
2985
2986 dynobj = elf_hash_table(info)->dynobj;
2987 ia64_info = elfNN_ia64_hash_table (info);
2988 if (ia64_info == NULL)
2989 return FALSE;
2990 ia64_info->self_dtpmod_offset = (bfd_vma) -1;
2991 BFD_ASSERT(dynobj != NULL);
2992 data.info = info;
2993
2994 /* Set the contents of the .interp section to the interpreter. */
2995 if (ia64_info->root.dynamic_sections_created
9b8b325a 2996 && bfd_link_executable (info) && !info->nointerp)
cbe79dfe 2997 {
3d4d4302 2998 sec = bfd_get_linker_section (dynobj, ".interp");
cbe79dfe
TG		 2999 BFD_ASSERT (sec != NULL);
3000 sec->contents = (bfd_byte *) ELF_DYNAMIC_INTERPRETER;
3001 sec->size = strlen (ELF_DYNAMIC_INTERPRETER) + 1;
3002 }
3003
3004 /* Allocate the GOT entries. */
3005
3006 if (ia64_info->root.sgot)
3007 {
3008 data.ofs = 0;
3009 elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_global_data_got, &data);
3010 elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_global_fptr_got, &data);
3011 elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_local_got, &data);
3012 ia64_info->root.sgot->size = data.ofs;
3013 }
3014
3015 /* Allocate the FPTR entries. */
3016
3017 if (ia64_info->fptr_sec)
3018 {
3019 data.ofs = 0;
3020 elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_fptr, &data);
3021 ia64_info->fptr_sec->size = data.ofs;
3022 }
3023
3024 /* Now that we've seen all of the input files, we can decide which
3025 symbols need plt entries. Allocate the minimal PLT entries first.
3026 We do this even though dynamic_sections_created may be FALSE, because
3027 this has the side-effect of clearing want_plt and want_plt2. */
3028
3029 data.ofs = 0;
3030 elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_plt_entries, &data);
3031
3032 ia64_info->minplt_entries = 0;
3033 if (data.ofs)
3034 {
3035 ia64_info->minplt_entries
3036 = (data.ofs - PLT_HEADER_SIZE) / PLT_MIN_ENTRY_SIZE;
3037 }
3038
3039 /* Align the pointer for the plt2 entries. */
3040 data.ofs = (data.ofs + 31) & (bfd_vma) -32;
3041
3042 elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_plt2_entries, &data);
3043 if (data.ofs != 0 || ia64_info->root.dynamic_sections_created)
3044 {
3045 /* FIXME: we always reserve the memory for dynamic linker even if
3046 there are no PLT entries since dynamic linker may assume the
3047 reserved memory always exists. */
3048
3049 BFD_ASSERT (ia64_info->root.dynamic_sections_created);
3050
3051 ia64_info->root.splt->size = data.ofs;
3052
3053 /* If we've got a .plt, we need some extra memory for the dynamic
3054 linker. We stuff these in .got.plt. */
3d4d4302 3055 sec = bfd_get_linker_section (dynobj, ".got.plt");
cbe79dfe
TG		 3056 sec->size = 8 * PLT_RESERVED_WORDS;
3057 }
3058
3059 /* Allocate the PLTOFF entries. */
3060
3061 if (ia64_info->pltoff_sec)
3062 {
3063 data.ofs = 0;
3064 elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_pltoff_entries, &data);
3065 ia64_info->pltoff_sec->size = data.ofs;
3066 }
3067
3068 if (ia64_info->root.dynamic_sections_created)
3069 {
3070 /* Allocate space for the dynamic relocations that turned out to be
3071 required. */
3072
0e1862bb 3073 if (bfd_link_pic (info) && ia64_info->self_dtpmod_offset != (bfd_vma) -1)
cbe79dfe
TG		 3074 ia64_info->root.srelgot->size += sizeof (ElfNN_External_Rela);
3075 data.only_got = FALSE;
3076 elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_dynrel_entries, &data);
3077 }
3078
3079 /* We have now determined the sizes of the various dynamic sections.
3080 Allocate memory for them. */
3081 for (sec = dynobj->sections; sec != NULL; sec = sec->next)
3082 {
3083 bfd_boolean strip;
3084
3085 if (!(sec->flags & SEC_LINKER_CREATED))
3086 continue;
3087
3088 /* If we don't need this section, strip it from the output file.
3089 There were several sections primarily related to dynamic
3090 linking that must be create before the linker maps input
3091 sections to output sections. The linker does that before
3092 bfd_elf_size_dynamic_sections is called, and it is that
3093 function which decides whether anything needs to go into
3094 these sections. */
3095
3096 strip = (sec->size == 0);
3097
3098 if (sec == ia64_info->root.sgot)
3099 strip = FALSE;
3100 else if (sec == ia64_info->root.srelgot)
3101 {
3102 if (strip)
3103 ia64_info->root.srelgot = NULL;
3104 else
3105 /* We use the reloc_count field as a counter if we need to
3106 copy relocs into the output file. */
3107 sec->reloc_count = 0;
3108 }
3109 else if (sec == ia64_info->fptr_sec)
3110 {
3111 if (strip)
3112 ia64_info->fptr_sec = NULL;
3113 }
3114 else if (sec == ia64_info->rel_fptr_sec)
3115 {
3116 if (strip)
3117 ia64_info->rel_fptr_sec = NULL;
3118 else
3119 /* We use the reloc_count field as a counter if we need to
3120 copy relocs into the output file. */
3121 sec->reloc_count = 0;
3122 }
3123 else if (sec == ia64_info->root.splt)
3124 {
3125 if (strip)
3126 ia64_info->root.splt = NULL;
3127 }
3128 else if (sec == ia64_info->pltoff_sec)
3129 {
3130 if (strip)
3131 ia64_info->pltoff_sec = NULL;
3132 }
3133 else if (sec == ia64_info->rel_pltoff_sec)
3134 {
3135 if (strip)
3136 ia64_info->rel_pltoff_sec = NULL;
3137 else
3138 {
3139 relplt = TRUE;
3140 /* We use the reloc_count field as a counter if we need to
3141 copy relocs into the output file. */
3142 sec->reloc_count = 0;
3143 }
3144 }
3145 else
3146 {
3147 const char *name;
3148
3149 /* It's OK to base decisions on the section name, because none
3150 of the dynobj section names depend upon the input files. */
3151 name = bfd_get_section_name (dynobj, sec);
3152
3153 if (strcmp (name, ".got.plt") == 0)
3154 strip = FALSE;
3155 else if (CONST_STRNEQ (name, ".rel"))
3156 {
3157 if (!strip)
3158 {
3159 /* We use the reloc_count field as a counter if we need to
3160 copy relocs into the output file. */
3161 sec->reloc_count = 0;
3162 }
3163 }
3164 else
3165 continue;
3166 }
3167
3168 if (strip)
3169 sec->flags |= SEC_EXCLUDE;
3170 else
3171 {
3172 /* Allocate memory for the section contents. */
3173 sec->contents = (bfd_byte *) bfd_zalloc (dynobj, sec->size);
3174 if (sec->contents == NULL && sec->size != 0)
3175 return FALSE;
3176 }
3177 }
3178
3179 if (elf_hash_table (info)->dynamic_sections_created)
3180 {
3181 /* Add some entries to the .dynamic section. We fill in the values
3182 later (in finish_dynamic_sections) but we must add the entries now
3183 so that we get the correct size for the .dynamic section. */
3184
0e1862bb 3185 if (bfd_link_executable (info))
cbe79dfe
TG		 3186 {
3187 /* The DT_DEBUG entry is filled in by the dynamic linker and used
3188 by the debugger. */
3189#define add_dynamic_entry(TAG, VAL) \
3190 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
3191
3192 if (!add_dynamic_entry (DT_DEBUG, 0))
3193 return FALSE;
3194 }
3195
3196 if (!add_dynamic_entry (DT_IA_64_PLT_RESERVE, 0))
3197 return FALSE;
3198 if (!add_dynamic_entry (DT_PLTGOT, 0))
3199 return FALSE;
3200
3201 if (relplt)
3202 {
3203 if (!add_dynamic_entry (DT_PLTRELSZ, 0)
3204 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
3205 || !add_dynamic_entry (DT_JMPREL, 0))
3206 return FALSE;
3207 }
3208
3209 if (!add_dynamic_entry (DT_RELA, 0)
3210 || !add_dynamic_entry (DT_RELASZ, 0)
3211 || !add_dynamic_entry (DT_RELAENT, sizeof (ElfNN_External_Rela)))
3212 return FALSE;
3213
3214 if (ia64_info->reltext)
3215 {
3216 if (!add_dynamic_entry (DT_TEXTREL, 0))
3217 return FALSE;
3218 info->flags |= DF_TEXTREL;
3219 }
3220 }
3221
3222 /* ??? Perhaps force __gp local. */
3223
3224 return TRUE;
3225}
3226
3227static void
3228elfNN_ia64_install_dyn_reloc (bfd *abfd, struct bfd_link_info *info,
3229 asection *sec, asection *srel,
3230 bfd_vma offset, unsigned int type,
3231 long dynindx, bfd_vma addend)
3232{
3233 Elf_Internal_Rela outrel;
3234 bfd_byte *loc;
3235
3236 BFD_ASSERT (dynindx != -1);
3237 outrel.r_info = ELFNN_R_INFO (dynindx, type);
3238 outrel.r_addend = addend;
3239 outrel.r_offset = _bfd_elf_section_offset (abfd, info, sec, offset);
3240 if (outrel.r_offset >= (bfd_vma) -2)
3241 {
3242 /* Run for the hills. We shouldn't be outputting a relocation
3243 for this. So do what everyone else does and output a no-op. */
3244 outrel.r_info = ELFNN_R_INFO (0, R_IA64_NONE);
3245 outrel.r_addend = 0;
3246 outrel.r_offset = 0;
3247 }
3248 else
3249 outrel.r_offset += sec->output_section->vma + sec->output_offset;
3250
3251 loc = srel->contents;
3252 loc += srel->reloc_count++ * sizeof (ElfNN_External_Rela);
3253 bfd_elfNN_swap_reloca_out (abfd, &outrel, loc);
3254 BFD_ASSERT (sizeof (ElfNN_External_Rela) * srel->reloc_count <= srel->size);
3255}
3256
3257/* Store an entry for target address TARGET_ADDR in the linkage table
3258 and return the gp-relative address of the linkage table entry. */
3259
3260static bfd_vma
3261set_got_entry (bfd *abfd, struct bfd_link_info *info,
3262 struct elfNN_ia64_dyn_sym_info *dyn_i,
3263 long dynindx, bfd_vma addend, bfd_vma value,
3264 unsigned int dyn_r_type)
3265{
3266 struct elfNN_ia64_link_hash_table *ia64_info;
3267 asection *got_sec;
3268 bfd_boolean done;
3269 bfd_vma got_offset;
3270
3271 ia64_info = elfNN_ia64_hash_table (info);
3272 if (ia64_info == NULL)
3273 return 0;
3274
3275 got_sec = ia64_info->root.sgot;
3276
3277 switch (dyn_r_type)
3278 {
3279 case R_IA64_TPREL64LSB:
3280 done = dyn_i->tprel_done;
3281 dyn_i->tprel_done = TRUE;
3282 got_offset = dyn_i->tprel_offset;
3283 break;
3284 case R_IA64_DTPMOD64LSB:
3285 if (dyn_i->dtpmod_offset != ia64_info->self_dtpmod_offset)
3286 {
3287 done = dyn_i->dtpmod_done;
3288 dyn_i->dtpmod_done = TRUE;
3289 }
3290 else
3291 {
3292 done = ia64_info->self_dtpmod_done;
3293 ia64_info->self_dtpmod_done = TRUE;
3294 dynindx = 0;
3295 }
3296 got_offset = dyn_i->dtpmod_offset;
3297 break;
3298 case R_IA64_DTPREL32LSB:
3299 case R_IA64_DTPREL64LSB:
3300 done = dyn_i->dtprel_done;
3301 dyn_i->dtprel_done = TRUE;
3302 got_offset = dyn_i->dtprel_offset;
3303 break;
3304 default:
3305 done = dyn_i->got_done;
3306 dyn_i->got_done = TRUE;
3307 got_offset = dyn_i->got_offset;
3308 break;
3309 }
3310
3311 BFD_ASSERT ((got_offset & 7) == 0);
3312
3313 if (! done)
3314 {
3315 /* Store the target address in the linkage table entry. */
3316 bfd_put_64 (abfd, value, got_sec->contents + got_offset);
3317
3318 /* Install a dynamic relocation if needed. */
0e1862bb 3319 if (((bfd_link_pic (info)
cbe79dfe
TG		 3320 && (!dyn_i->h
3321 || ELF_ST_VISIBILITY (dyn_i->h->other) == STV_DEFAULT
3322 || dyn_i->h->root.type != bfd_link_hash_undefweak)
3323 && dyn_r_type != R_IA64_DTPREL32LSB
3324 && dyn_r_type != R_IA64_DTPREL64LSB)
3325 || elfNN_ia64_dynamic_symbol_p (dyn_i->h, info, dyn_r_type)
3326 || (dynindx != -1
3327 && (dyn_r_type == R_IA64_FPTR32LSB
3328 || dyn_r_type == R_IA64_FPTR64LSB)))
3329 && (!dyn_i->want_ltoff_fptr
0e1862bb 3330 || !bfd_link_pie (info)
cbe79dfe
TG		 3331 || !dyn_i->h
3332 || dyn_i->h->root.type != bfd_link_hash_undefweak))
3333 {
3334 if (dynindx == -1
3335 && dyn_r_type != R_IA64_TPREL64LSB
3336 && dyn_r_type != R_IA64_DTPMOD64LSB
3337 && dyn_r_type != R_IA64_DTPREL32LSB
3338 && dyn_r_type != R_IA64_DTPREL64LSB)
3339 {
3340 dyn_r_type = R_IA64_RELNNLSB;
3341 dynindx = 0;
3342 addend = value;
3343 }
3344
3345 if (bfd_big_endian (abfd))
3346 {
3347 switch (dyn_r_type)
3348 {
3349 case R_IA64_REL32LSB:
3350 dyn_r_type = R_IA64_REL32MSB;
3351 break;
3352 case R_IA64_DIR32LSB:
3353 dyn_r_type = R_IA64_DIR32MSB;
3354 break;
3355 case R_IA64_FPTR32LSB:
3356 dyn_r_type = R_IA64_FPTR32MSB;
3357 break;
3358 case R_IA64_DTPREL32LSB:
3359 dyn_r_type = R_IA64_DTPREL32MSB;
3360 break;
3361 case R_IA64_REL64LSB:
3362 dyn_r_type = R_IA64_REL64MSB;
3363 break;
3364 case R_IA64_DIR64LSB:
3365 dyn_r_type = R_IA64_DIR64MSB;
3366 break;
3367 case R_IA64_FPTR64LSB:
3368 dyn_r_type = R_IA64_FPTR64MSB;
3369 break;
3370 case R_IA64_TPREL64LSB:
3371 dyn_r_type = R_IA64_TPREL64MSB;
3372 break;
3373 case R_IA64_DTPMOD64LSB:
3374 dyn_r_type = R_IA64_DTPMOD64MSB;
3375 break;
3376 case R_IA64_DTPREL64LSB:
3377 dyn_r_type = R_IA64_DTPREL64MSB;
3378 break;
3379 default:
3380 BFD_ASSERT (FALSE);
3381 break;
3382 }
3383 }
3384
3385 elfNN_ia64_install_dyn_reloc (abfd, NULL, got_sec,
3386 ia64_info->root.srelgot,
3387 got_offset, dyn_r_type,
3388 dynindx, addend);
3389 }
3390 }
3391
3392 /* Return the address of the linkage table entry. */
3393 value = (got_sec->output_section->vma
3394 + got_sec->output_offset
3395 + got_offset);
3396
3397 return value;
3398}
3399
3400/* Fill in a function descriptor consisting of the function's code
3401 address and its global pointer. Return the descriptor's address. */
3402
3403static bfd_vma
3404set_fptr_entry (bfd *abfd, struct bfd_link_info *info,
3405 struct elfNN_ia64_dyn_sym_info *dyn_i,
3406 bfd_vma value)
3407{
3408 struct elfNN_ia64_link_hash_table *ia64_info;
3409 asection *fptr_sec;
3410
3411 ia64_info = elfNN_ia64_hash_table (info);
3412 if (ia64_info == NULL)
3413 return 0;
3414
3415 fptr_sec = ia64_info->fptr_sec;
3416
3417 if (!dyn_i->fptr_done)
3418 {
3419 dyn_i->fptr_done = 1;
3420
3421 /* Fill in the function descriptor. */
3422 bfd_put_64 (abfd, value, fptr_sec->contents + dyn_i->fptr_offset);
3423 bfd_put_64 (abfd, _bfd_get_gp_value (abfd),
3424 fptr_sec->contents + dyn_i->fptr_offset + 8);
3425 if (ia64_info->rel_fptr_sec)
3426 {
3427 Elf_Internal_Rela outrel;
3428 bfd_byte *loc;
3429
3430 if (bfd_little_endian (abfd))
3431 outrel.r_info = ELFNN_R_INFO (0, R_IA64_IPLTLSB);
3432 else
3433 outrel.r_info = ELFNN_R_INFO (0, R_IA64_IPLTMSB);
3434 outrel.r_addend = value;
3435 outrel.r_offset = (fptr_sec->output_section->vma
3436 + fptr_sec->output_offset
3437 + dyn_i->fptr_offset);
3438 loc = ia64_info->rel_fptr_sec->contents;
3439 loc += ia64_info->rel_fptr_sec->reloc_count++
3440 * sizeof (ElfNN_External_Rela);
3441 bfd_elfNN_swap_reloca_out (abfd, &outrel, loc);
3442 }
3443 }
3444
3445 /* Return the descriptor's address. */
3446 value = (fptr_sec->output_section->vma
3447 + fptr_sec->output_offset
3448 + dyn_i->fptr_offset);
3449
3450 return value;
3451}
3452
3453/* Fill in a PLTOFF entry consisting of the function's code address
3454 and its global pointer. Return the descriptor's address. */
3455
3456static bfd_vma
3457set_pltoff_entry (bfd *abfd, struct bfd_link_info *info,
3458 struct elfNN_ia64_dyn_sym_info *dyn_i,
3459 bfd_vma value, bfd_boolean is_plt)
3460{
3461 struct elfNN_ia64_link_hash_table *ia64_info;
3462 asection *pltoff_sec;
3463
3464 ia64_info = elfNN_ia64_hash_table (info);
3465 if (ia64_info == NULL)
3466 return 0;
3467
3468 pltoff_sec = ia64_info->pltoff_sec;
3469
3470 /* Don't do anything if this symbol uses a real PLT entry. In
3471 that case, we'll fill this in during finish_dynamic_symbol. */
3472 if ((! dyn_i->want_plt || is_plt)
3473 && !dyn_i->pltoff_done)
3474 {
3475 bfd_vma gp = _bfd_get_gp_value (abfd);
3476
3477 /* Fill in the function descriptor. */
3478 bfd_put_64 (abfd, value, pltoff_sec->contents + dyn_i->pltoff_offset);
3479 bfd_put_64 (abfd, gp, pltoff_sec->contents + dyn_i->pltoff_offset + 8);
3480
3481 /* Install dynamic relocations if needed. */
3482 if (!is_plt
0e1862bb 3483 && bfd_link_pic (info)
cbe79dfe
TG		 3484 && (!dyn_i->h
3485 || ELF_ST_VISIBILITY (dyn_i->h->other) == STV_DEFAULT
3486 || dyn_i->h->root.type != bfd_link_hash_undefweak))
3487 {
3488 unsigned int dyn_r_type;
3489
3490 if (bfd_big_endian (abfd))
3491 dyn_r_type = R_IA64_RELNNMSB;
3492 else
3493 dyn_r_type = R_IA64_RELNNLSB;
3494
3495 elfNN_ia64_install_dyn_reloc (abfd, NULL, pltoff_sec,
3496 ia64_info->rel_pltoff_sec,
3497 dyn_i->pltoff_offset,
3498 dyn_r_type, 0, value);
3499 elfNN_ia64_install_dyn_reloc (abfd, NULL, pltoff_sec,
3500 ia64_info->rel_pltoff_sec,
3501 dyn_i->pltoff_offset + ARCH_SIZE / 8,
3502 dyn_r_type, 0, gp);
3503 }
3504
3505 dyn_i->pltoff_done = 1;
3506 }
3507
3508 /* Return the descriptor's address. */
3509 value = (pltoff_sec->output_section->vma
3510 + pltoff_sec->output_offset
3511 + dyn_i->pltoff_offset);
3512
3513 return value;
3514}
3515
3516/* Return the base VMA address which should be subtracted from real addresses
3517 when resolving @tprel() relocation.
3518 Main program TLS (whose template starts at PT_TLS p_vaddr)
3519 is assigned offset round(2 * size of pointer, PT_TLS p_align). */
3520
3521static bfd_vma
3522elfNN_ia64_tprel_base (struct bfd_link_info *info)
3523{
3524 asection *tls_sec = elf_hash_table (info)->tls_sec;
3525 return tls_sec->vma - align_power ((bfd_vma) ARCH_SIZE / 4,
3526 tls_sec->alignment_power);
3527}
3528
3529/* Return the base VMA address which should be subtracted from real addresses
3530 when resolving @dtprel() relocation.
3531 This is PT_TLS segment p_vaddr. */
3532
3533static bfd_vma
3534elfNN_ia64_dtprel_base (struct bfd_link_info *info)
3535{
3536 return elf_hash_table (info)->tls_sec->vma;
3537}
3538
3539/* Called through qsort to sort the .IA_64.unwind section during a
3540 non-relocatable link. Set elfNN_ia64_unwind_entry_compare_bfd
3541 to the output bfd so we can do proper endianness frobbing. */
3542
3543static bfd *elfNN_ia64_unwind_entry_compare_bfd;
3544
3545static int
2c3fc389 3546elfNN_ia64_unwind_entry_compare (const void * a, const void * b)
cbe79dfe
TG		 3547{
3548 bfd_vma av, bv;
3549
3550 av = bfd_get_64 (elfNN_ia64_unwind_entry_compare_bfd, a);
3551 bv = bfd_get_64 (elfNN_ia64_unwind_entry_compare_bfd, b);
3552
3553 return (av < bv ? -1 : av > bv ? 1 : 0);
3554}
3555
3556/* Make sure we've got ourselves a nice fat __gp value. */
3557static bfd_boolean
3558elfNN_ia64_choose_gp (bfd *abfd, struct bfd_link_info *info, bfd_boolean final)
3559{
3560 bfd_vma min_vma = (bfd_vma) -1, max_vma = 0;
3561 bfd_vma min_short_vma = min_vma, max_short_vma = 0;
3562 struct elf_link_hash_entry *gp;
3563 bfd_vma gp_val;
3564 asection *os;
3565 struct elfNN_ia64_link_hash_table *ia64_info;
3566
3567 ia64_info = elfNN_ia64_hash_table (info);
3568 if (ia64_info == NULL)
3569 return FALSE;
3570
3571 /* Find the min and max vma of all sections marked short. Also collect
3572 min and max vma of any type, for use in selecting a nice gp. */
3573 for (os = abfd->sections; os ; os = os->next)
3574 {
3575 bfd_vma lo, hi;
3576
3577 if ((os->flags & SEC_ALLOC) == 0)
3578 continue;
3579
3580 lo = os->vma;
3581 /* When this function is called from elfNN_ia64_final_link
3582 the correct value to use is os->size. When called from
3583 elfNN_ia64_relax_section we are in the middle of section
3584 sizing; some sections will already have os->size set, others
3585 will have os->size zero and os->rawsize the previous size. */
3586 hi = os->vma + (!final && os->rawsize ? os->rawsize : os->size);
3587 if (hi < lo)
3588 hi = (bfd_vma) -1;
3589
3590 if (min_vma > lo)
3591 min_vma = lo;
3592 if (max_vma < hi)
3593 max_vma = hi;
3594 if (os->flags & SEC_SMALL_DATA)
3595 {
3596 if (min_short_vma > lo)
3597 min_short_vma = lo;
3598 if (max_short_vma < hi)
3599 max_short_vma = hi;
3600 }
3601 }
3602
3603 if (ia64_info->min_short_sec)
3604 {
d17fe7b7 3605 if (min_short_vma
cbe79dfe
TG		 3606 > (ia64_info->min_short_sec->vma
3607 + ia64_info->min_short_offset))
3608 min_short_vma = (ia64_info->min_short_sec->vma
3609 + ia64_info->min_short_offset);
3610 if (max_short_vma
3611 < (ia64_info->max_short_sec->vma
3612 + ia64_info->max_short_offset))
3613 max_short_vma = (ia64_info->max_short_sec->vma
3614 + ia64_info->max_short_offset);
3615 }
3616
3617 /* See if the user wants to force a value. */
3618 gp = elf_link_hash_lookup (elf_hash_table (info), "__gp", FALSE,
3619 FALSE, FALSE);
3620
3621 if (gp
3622 && (gp->root.type == bfd_link_hash_defined
3623 || gp->root.type == bfd_link_hash_defweak))
3624 {
3625 asection *gp_sec = gp->root.u.def.section;
3626 gp_val = (gp->root.u.def.value
3627 + gp_sec->output_section->vma
3628 + gp_sec->output_offset);
3629 }
3630 else
3631 {
3632 /* Pick a sensible value. */
3633
3634 if (ia64_info->min_short_sec)
3635 {
3636 bfd_vma short_range = max_short_vma - min_short_vma;
3637
3638 /* If min_short_sec is set, pick one in the middle bewteen
3639 min_short_vma and max_short_vma. */
3640 if (short_range >= 0x400000)
3641 goto overflow;
3642 gp_val = min_short_vma + short_range / 2;
3643 }
3644 else
3645 {
3646 asection *got_sec = ia64_info->root.sgot;
3647
3648 /* Start with just the address of the .got. */
3649 if (got_sec)
3650 gp_val = got_sec->output_section->vma;
3651 else if (max_short_vma != 0)
3652 gp_val = min_short_vma;
3653 else if (max_vma - min_vma < 0x200000)
3654 gp_val = min_vma;
3655 else
3656 gp_val = max_vma - 0x200000 + 8;
3657 }
3658
3659 /* If it is possible to address the entire image, but we
3660 don't with the choice above, adjust. */
3661 if (max_vma - min_vma < 0x400000
3662 && (max_vma - gp_val >= 0x200000
3663 || gp_val - min_vma > 0x200000))
3664 gp_val = min_vma + 0x200000;
3665 else if (max_short_vma != 0)
3666 {
3667 /* If we don't cover all the short data, adjust. */
3668 if (max_short_vma - gp_val >= 0x200000)
3669 gp_val = min_short_vma + 0x200000;
3670
3671 /* If we're addressing stuff past the end, adjust back. */
3672 if (gp_val > max_vma)
3673 gp_val = max_vma - 0x200000 + 8;
3674 }
3675 }
3676
3677 /* Validate whether all SHF_IA_64_SHORT sections are within
3678 range of the chosen GP. */
3679
3680 if (max_short_vma != 0)
3681 {
3682 if (max_short_vma - min_short_vma >= 0x400000)
3683 {
3684overflow:
4eca0228 3685 _bfd_error_handler
695344c0 3686 /* xgettext:c-format */
cbe79dfe
TG		 3687 (_("%s: short data segment overflowed (0x%lx >= 0x400000)"),
3688 bfd_get_filename (abfd),
3689 (unsigned long) (max_short_vma - min_short_vma));
3690 return FALSE;
3691 }
3692 else if ((gp_val > min_short_vma
3693 && gp_val - min_short_vma > 0x200000)
3694 || (gp_val < max_short_vma
3695 && max_short_vma - gp_val >= 0x200000))
3696 {
4eca0228 3697 _bfd_error_handler
cbe79dfe
TG		 3698 (_("%s: __gp does not cover short data segment"),
3699 bfd_get_filename (abfd));
3700 return FALSE;
3701 }
3702 }
3703
3704 _bfd_set_gp_value (abfd, gp_val);
3705
3706 return TRUE;
3707}
3708
3709static bfd_boolean
3710elfNN_ia64_final_link (bfd *abfd, struct bfd_link_info *info)
3711{
3712 struct elfNN_ia64_link_hash_table *ia64_info;
3713 asection *unwind_output_sec;
3714
3715 ia64_info = elfNN_ia64_hash_table (info);
3716 if (ia64_info == NULL)
3717 return FALSE;
3718
3719 /* Make sure we've got ourselves a nice fat __gp value. */
0e1862bb 3720 if (!bfd_link_relocatable (info))
cbe79dfe
TG		 3721 {
3722 bfd_vma gp_val;
3723 struct elf_link_hash_entry *gp;
3724
3725 /* We assume after gp is set, section size will only decrease. We
3726 need to adjust gp for it. */
3727 _bfd_set_gp_value (abfd, 0);
3728 if (! elfNN_ia64_choose_gp (abfd, info, TRUE))
3729 return FALSE;
3730 gp_val = _bfd_get_gp_value (abfd);
3731
3732 gp = elf_link_hash_lookup (elf_hash_table (info), "__gp", FALSE,
3733 FALSE, FALSE);
3734 if (gp)
3735 {
3736 gp->root.type = bfd_link_hash_defined;
3737 gp->root.u.def.value = gp_val;
3738 gp->root.u.def.section = bfd_abs_section_ptr;
3739 }
3740 }
3741
3742 /* If we're producing a final executable, we need to sort the contents
3743 of the .IA_64.unwind section. Force this section to be relocated
3744 into memory rather than written immediately to the output file. */
3745 unwind_output_sec = NULL;
0e1862bb 3746 if (!bfd_link_relocatable (info))
cbe79dfe
TG		 3747 {
3748 asection *s = bfd_get_section_by_name (abfd, ELF_STRING_ia64_unwind);
3749 if (s)
3750 {
3751 unwind_output_sec = s->output_section;
3752 unwind_output_sec->contents
3753 = bfd_malloc (unwind_output_sec->size);
3754 if (unwind_output_sec->contents == NULL)
3755 return FALSE;
3756 }
3757 }
3758
3759 /* Invoke the regular ELF backend linker to do all the work. */
3760 if (!bfd_elf_final_link (abfd, info))
3761 return FALSE;
3762
3763 if (unwind_output_sec)
3764 {
3765 elfNN_ia64_unwind_entry_compare_bfd = abfd;
3766 qsort (unwind_output_sec->contents,
3767 (size_t) (unwind_output_sec->size / 24),
3768 24,
3769 elfNN_ia64_unwind_entry_compare);
3770
3771 if (! bfd_set_section_contents (abfd, unwind_output_sec,
3772 unwind_output_sec->contents, (bfd_vma) 0,
3773 unwind_output_sec->size))
3774 return FALSE;
3775 }
3776
3777 return TRUE;
3778}
3779
3780static bfd_boolean
3781elfNN_ia64_relocate_section (bfd *output_bfd,
3782 struct bfd_link_info *info,
3783 bfd *input_bfd,
3784 asection *input_section,
3785 bfd_byte *contents,
3786 Elf_Internal_Rela *relocs,
3787 Elf_Internal_Sym *local_syms,
3788 asection **local_sections)
3789{
3790 struct elfNN_ia64_link_hash_table *ia64_info;
3791 Elf_Internal_Shdr *symtab_hdr;
3792 Elf_Internal_Rela *rel;
3793 Elf_Internal_Rela *relend;
3794 asection *srel;
3795 bfd_boolean ret_val = TRUE; /* for non-fatal errors */
3796 bfd_vma gp_val;
3797
3798 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
3799 ia64_info = elfNN_ia64_hash_table (info);
3800 if (ia64_info == NULL)
3801 return FALSE;
3802
3803 /* Infect various flags from the input section to the output section. */
0e1862bb 3804 if (bfd_link_relocatable (info))
cbe79dfe
TG		 3805 {
3806 bfd_vma flags;
3807
3808 flags = elf_section_data(input_section)->this_hdr.sh_flags;
3809 flags &= SHF_IA_64_NORECOV;
3810
3811 elf_section_data(input_section->output_section)
3812 ->this_hdr.sh_flags |= flags;
3813 }
3814
3815 gp_val = _bfd_get_gp_value (output_bfd);
3816 srel = get_reloc_section (input_bfd, ia64_info, input_section, FALSE);
3817
3818 rel = relocs;
3819 relend = relocs + input_section->reloc_count;
3820 for (; rel < relend; ++rel)
3821 {
3822 struct elf_link_hash_entry *h;
3823 struct elfNN_ia64_dyn_sym_info *dyn_i;
3824 bfd_reloc_status_type r;
3825 reloc_howto_type *howto;
3826 unsigned long r_symndx;
3827 Elf_Internal_Sym *sym;
3828 unsigned int r_type;
3829 bfd_vma value;
3830 asection *sym_sec;
3831 bfd_byte *hit_addr;
3832 bfd_boolean dynamic_symbol_p;
3833 bfd_boolean undef_weak_ref;
3834
3835 r_type = ELFNN_R_TYPE (rel->r_info);
3836 if (r_type > R_IA64_MAX_RELOC_CODE)
3837 {
4eca0228 3838 _bfd_error_handler
695344c0 3839 /* xgettext:c-format */
cbe79dfe
TG		 3840 (_("%B: unknown relocation type %d"),
3841 input_bfd, (int) r_type);
3842 bfd_set_error (bfd_error_bad_value);
3843 ret_val = FALSE;
3844 continue;
3845 }
3846
3847 howto = ia64_elf_lookup_howto (r_type);
3848 r_symndx = ELFNN_R_SYM (rel->r_info);
3849 h = NULL;
3850 sym = NULL;
3851 sym_sec = NULL;
3852 undef_weak_ref = FALSE;
3853
3854 if (r_symndx < symtab_hdr->sh_info)
3855 {
3856 /* Reloc against local symbol. */
3857 asection *msec;
3858 sym = local_syms + r_symndx;
3859 sym_sec = local_sections[r_symndx];
3860 msec = sym_sec;
3861 value = _bfd_elf_rela_local_sym (output_bfd, sym, &msec, rel);
0e1862bb 3862 if (!bfd_link_relocatable (info)
cbe79dfe
TG		 3863 && (sym_sec->flags & SEC_MERGE) != 0
3864 && ELF_ST_TYPE (sym->st_info) == STT_SECTION
dbaa2011 3865 && sym_sec->sec_info_type == SEC_INFO_TYPE_MERGE)
d17fe7b7 3866 {
cbe79dfe
TG		 3867 struct elfNN_ia64_local_hash_entry *loc_h;
3868
3869 loc_h = get_local_sym_hash (ia64_info, input_bfd, rel, FALSE);
3870 if (loc_h && ! loc_h->sec_merge_done)
3871 {
3872 struct elfNN_ia64_dyn_sym_info *dynent;
3873 unsigned int count;
3874
3875 for (count = loc_h->count, dynent = loc_h->info;
3876 count != 0;
3877 count--, dynent++)
3878 {
3879 msec = sym_sec;
3880 dynent->addend =
3881 _bfd_merged_section_offset (output_bfd, &msec,
3882 elf_section_data (msec)->
3883 sec_info,
3884 sym->st_value
3885 + dynent->addend);
3886 dynent->addend -= sym->st_value;
3887 dynent->addend += msec->output_section->vma
3888 + msec->output_offset
3889 - sym_sec->output_section->vma
3890 - sym_sec->output_offset;
3891 }
3892
3893 /* We may have introduced duplicated entries. We need
3894 to remove them properly. */
3895 count = sort_dyn_sym_info (loc_h->info, loc_h->count);
3896 if (count != loc_h->count)
3897 {
3898 loc_h->count = count;
3899 loc_h->sorted_count = count;
3900 }
3901
3902 loc_h->sec_merge_done = 1;
3903 }
3904 }
3905 }
3906 else
3907 {
3908 bfd_boolean unresolved_reloc;
62d887d4 3909 bfd_boolean warned, ignored;
cbe79dfe
TG		 3910 struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (input_bfd);
3911
3912 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
3913 r_symndx, symtab_hdr, sym_hashes,
3914 h, sym_sec, value,
62d887d4 3915 unresolved_reloc, warned, ignored);
cbe79dfe
TG		 3916
3917 if (h->root.type == bfd_link_hash_undefweak)
3918 undef_weak_ref = TRUE;
0e1862bb 3919 else if (warned || (ignored && bfd_link_executable (info)))
cbe79dfe
TG		 3920 continue;
3921 }
3922
dbaa2011 3923 if (sym_sec != NULL && discarded_section (sym_sec))
cbe79dfe 3924 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
545fd46b 3925 rel, 1, relend, howto, 0, contents);
cbe79dfe 3926
0e1862bb 3927 if (bfd_link_relocatable (info))
cbe79dfe
TG		 3928 continue;
3929
3930 hit_addr = contents + rel->r_offset;
3931 value += rel->r_addend;
3932 dynamic_symbol_p = elfNN_ia64_dynamic_symbol_p (h, info, r_type);
3933
3934 switch (r_type)
3935 {
3936 case R_IA64_NONE:
3937 case R_IA64_LDXMOV:
3938 continue;
3939
3940 case R_IA64_IMM14:
3941 case R_IA64_IMM22:
3942 case R_IA64_IMM64:
3943 case R_IA64_DIR32MSB:
3944 case R_IA64_DIR32LSB:
3945 case R_IA64_DIR64MSB:
3946 case R_IA64_DIR64LSB:
3947 /* Install a dynamic relocation for this reloc. */
0e1862bb 3948 if ((dynamic_symbol_p || bfd_link_pic (info))
cbe79dfe
TG		 3949 && r_symndx != STN_UNDEF
3950 && (input_section->flags & SEC_ALLOC) != 0)
3951 {
3952 unsigned int dyn_r_type;
3953 long dynindx;
3954 bfd_vma addend;
3955
3956 BFD_ASSERT (srel != NULL);
3957
3958 switch (r_type)
3959 {
3960 case R_IA64_IMM14:
3961 case R_IA64_IMM22:
3962 case R_IA64_IMM64:
3963 /* ??? People shouldn't be doing non-pic code in
3964 shared libraries nor dynamic executables. */
4eca0228 3965 _bfd_error_handler
695344c0 3966 /* xgettext:c-format */
cbe79dfe
TG		 3967 (_("%B: non-pic code with imm relocation against dynamic symbol `%s'"),
3968 input_bfd,
3969 h ? h->root.root.string
3970 : bfd_elf_sym_name (input_bfd, symtab_hdr, sym,
3971 sym_sec));
3972 ret_val = FALSE;
3973 continue;
3974
3975 default:
3976 break;
3977 }
3978
3979 /* If we don't need dynamic symbol lookup, find a
3980 matching RELATIVE relocation. */
3981 dyn_r_type = r_type;
3982 if (dynamic_symbol_p)
3983 {
3984 dynindx = h->dynindx;
3985 addend = rel->r_addend;
3986 value = 0;
3987 }
3988 else
3989 {
3990 switch (r_type)
3991 {
3992 case R_IA64_DIR32MSB:
3993 dyn_r_type = R_IA64_REL32MSB;
3994 break;
3995 case R_IA64_DIR32LSB:
3996 dyn_r_type = R_IA64_REL32LSB;
3997 break;
3998 case R_IA64_DIR64MSB:
3999 dyn_r_type = R_IA64_REL64MSB;
4000 break;
4001 case R_IA64_DIR64LSB:
4002 dyn_r_type = R_IA64_REL64LSB;
4003 break;
4004
4005 default:
4006 break;
4007 }
4008 dynindx = 0;
4009 addend = value;
4010 }
4011
4012 elfNN_ia64_install_dyn_reloc (output_bfd, info, input_section,
4013 srel, rel->r_offset, dyn_r_type,
4014 dynindx, addend);
4015 }
4016 /* Fall through. */
4017
4018 case R_IA64_LTV32MSB:
4019 case R_IA64_LTV32LSB:
4020 case R_IA64_LTV64MSB:
4021 case R_IA64_LTV64LSB:
4022 r = ia64_elf_install_value (hit_addr, value, r_type);
4023 break;
4024
4025 case R_IA64_GPREL22:
4026 case R_IA64_GPREL64I:
4027 case R_IA64_GPREL32MSB:
4028 case R_IA64_GPREL32LSB:
4029 case R_IA64_GPREL64MSB:
4030 case R_IA64_GPREL64LSB:
4031 if (dynamic_symbol_p)
4032 {
4eca0228 4033 _bfd_error_handler
695344c0 4034 /* xgettext:c-format */
cbe79dfe
TG		 4035 (_("%B: @gprel relocation against dynamic symbol %s"),
4036 input_bfd,
4037 h ? h->root.root.string
4038 : bfd_elf_sym_name (input_bfd, symtab_hdr, sym,
4039 sym_sec));
4040 ret_val = FALSE;
4041 continue;
4042 }
4043 value -= gp_val;
4044 r = ia64_elf_install_value (hit_addr, value, r_type);
4045 break;
4046
4047 case R_IA64_LTOFF22:
4048 case R_IA64_LTOFF22X:
4049 case R_IA64_LTOFF64I:
4050 dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, FALSE);
4051 value = set_got_entry (input_bfd, info, dyn_i, (h ? h->dynindx : -1),
4052 rel->r_addend, value, R_IA64_DIRNNLSB);
4053 value -= gp_val;
4054 r = ia64_elf_install_value (hit_addr, value, r_type);
4055 break;
4056
4057 case R_IA64_PLTOFF22:
4058 case R_IA64_PLTOFF64I:
4059 case R_IA64_PLTOFF64MSB:
4060 case R_IA64_PLTOFF64LSB:
4061 dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, FALSE);
4062 value = set_pltoff_entry (output_bfd, info, dyn_i, value, FALSE);
4063 value -= gp_val;
4064 r = ia64_elf_install_value (hit_addr, value, r_type);
4065 break;
4066
4067 case R_IA64_FPTR64I:
4068 case R_IA64_FPTR32MSB:
4069 case R_IA64_FPTR32LSB:
4070 case R_IA64_FPTR64MSB:
4071 case R_IA64_FPTR64LSB:
4072 dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, FALSE);
4073 if (dyn_i->want_fptr)
4074 {
4075 if (!undef_weak_ref)
4076 value = set_fptr_entry (output_bfd, info, dyn_i, value);
4077 }
0e1862bb 4078 if (!dyn_i->want_fptr || bfd_link_pie (info))
cbe79dfe
TG		 4079 {
4080 long dynindx;
4081 unsigned int dyn_r_type = r_type;
4082 bfd_vma addend = rel->r_addend;
4083
4084 /* Otherwise, we expect the dynamic linker to create
4085 the entry. */
4086
4087 if (dyn_i->want_fptr)
4088 {
4089 if (r_type == R_IA64_FPTR64I)
4090 {
4091 /* We can't represent this without a dynamic symbol.
4092 Adjust the relocation to be against an output
4093 section symbol, which are always present in the
4094 dynamic symbol table. */
4095 /* ??? People shouldn't be doing non-pic code in
4096 shared libraries. Hork. */
4eca0228 4097 _bfd_error_handler
cbe79dfe
TG		 4098 (_("%B: linking non-pic code in a position independent executable"),
4099 input_bfd);
4100 ret_val = FALSE;
4101 continue;
4102 }
4103 dynindx = 0;
4104 addend = value;
4105 dyn_r_type = r_type + R_IA64_RELNNLSB - R_IA64_FPTRNNLSB;
4106 }
4107 else if (h)
4108 {
4109 if (h->dynindx != -1)
4110 dynindx = h->dynindx;
4111 else
4112 dynindx = (_bfd_elf_link_lookup_local_dynindx
4113 (info, h->root.u.def.section->owner,
4114 global_sym_index (h)));
4115 value = 0;
4116 }
4117 else
4118 {
4119 dynindx = (_bfd_elf_link_lookup_local_dynindx
4120 (info, input_bfd, (long) r_symndx));
4121 value = 0;
4122 }
4123
4124 elfNN_ia64_install_dyn_reloc (output_bfd, info, input_section,
4125 srel, rel->r_offset, dyn_r_type,
4126 dynindx, addend);
4127 }
4128
4129 r = ia64_elf_install_value (hit_addr, value, r_type);
4130 break;
4131
4132 case R_IA64_LTOFF_FPTR22:
4133 case R_IA64_LTOFF_FPTR64I:
4134 case R_IA64_LTOFF_FPTR32MSB:
4135 case R_IA64_LTOFF_FPTR32LSB:
4136 case R_IA64_LTOFF_FPTR64MSB:
4137 case R_IA64_LTOFF_FPTR64LSB:
4138 {
4139 long dynindx;
4140
4141 dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, FALSE);
4142 if (dyn_i->want_fptr)
4143 {
4144 BFD_ASSERT (h == NULL || h->dynindx == -1);
4145 if (!undef_weak_ref)
4146 value = set_fptr_entry (output_bfd, info, dyn_i, value);
4147 dynindx = -1;
4148 }
4149 else
4150 {
4151 /* Otherwise, we expect the dynamic linker to create
4152 the entry. */
4153 if (h)
4154 {
4155 if (h->dynindx != -1)
4156 dynindx = h->dynindx;
4157 else
4158 dynindx = (_bfd_elf_link_lookup_local_dynindx
4159 (info, h->root.u.def.section->owner,
4160 global_sym_index (h)));
4161 }
4162 else
4163 dynindx = (_bfd_elf_link_lookup_local_dynindx
4164 (info, input_bfd, (long) r_symndx));
4165 value = 0;
4166 }
4167
4168 value = set_got_entry (output_bfd, info, dyn_i, dynindx,
4169 rel->r_addend, value, R_IA64_FPTRNNLSB);
4170 value -= gp_val;
4171 r = ia64_elf_install_value (hit_addr, value, r_type);
4172 }
4173 break;
4174
4175 case R_IA64_PCREL32MSB:
4176 case R_IA64_PCREL32LSB:
4177 case R_IA64_PCREL64MSB:
4178 case R_IA64_PCREL64LSB:
4179 /* Install a dynamic relocation for this reloc. */
4180 if (dynamic_symbol_p && r_symndx != STN_UNDEF)
4181 {
4182 BFD_ASSERT (srel != NULL);
4183
4184 elfNN_ia64_install_dyn_reloc (output_bfd, info, input_section,
4185 srel, rel->r_offset, r_type,
4186 h->dynindx, rel->r_addend);
4187 }
4188 goto finish_pcrel;
4189
4190 case R_IA64_PCREL21B:
4191 case R_IA64_PCREL60B:
4192 /* We should have created a PLT entry for any dynamic symbol. */
4193 dyn_i = NULL;
4194 if (h)
4195 dyn_i = get_dyn_sym_info (ia64_info, h, NULL, NULL, FALSE);
4196
4197 if (dyn_i && dyn_i->want_plt2)
4198 {
4199 /* Should have caught this earlier. */
4200 BFD_ASSERT (rel->r_addend == 0);
4201
4202 value = (ia64_info->root.splt->output_section->vma
4203 + ia64_info->root.splt->output_offset
4204 + dyn_i->plt2_offset);
4205 }
4206 else
4207 {
4208 /* Since there's no PLT entry, Validate that this is
4209 locally defined. */
4210 BFD_ASSERT (undef_weak_ref || sym_sec->output_section != NULL);
4211
4212 /* If the symbol is undef_weak, we shouldn't be trying
4213 to call it. There's every chance that we'd wind up
4214 with an out-of-range fixup here. Don't bother setting
4215 any value at all. */
4216 if (undef_weak_ref)
4217 continue;
4218 }
4219 goto finish_pcrel;
4220
4221 case R_IA64_PCREL21BI:
4222 case R_IA64_PCREL21F:
4223 case R_IA64_PCREL21M:
4224 case R_IA64_PCREL22:
4225 case R_IA64_PCREL64I:
4226 /* The PCREL21BI reloc is specifically not intended for use with
4227 dynamic relocs. PCREL21F and PCREL21M are used for speculation
4228 fixup code, and thus probably ought not be dynamic. The
4229 PCREL22 and PCREL64I relocs aren't emitted as dynamic relocs. */
4230 if (dynamic_symbol_p)
4231 {
4232 const char *msg;
4233
4234 if (r_type == R_IA64_PCREL21BI)
695344c0 4235 /* xgettext:c-format */
cbe79dfe
TG		 4236 msg = _("%B: @internal branch to dynamic symbol %s");
4237 else if (r_type == R_IA64_PCREL21F || r_type == R_IA64_PCREL21M)
695344c0 4238 /* xgettext:c-format */
cbe79dfe
TG		 4239 msg = _("%B: speculation fixup to dynamic symbol %s");
4240 else
695344c0 4241 /* xgettext:c-format */
cbe79dfe 4242 msg = _("%B: @pcrel relocation against dynamic symbol %s");
4eca0228
AM		 4243 _bfd_error_handler (msg, input_bfd,
4244 h ? h->root.root.string
4245 : bfd_elf_sym_name (input_bfd,
4246 symtab_hdr,
4247 sym,
4248 sym_sec));
cbe79dfe
TG		 4249 ret_val = FALSE;
4250 continue;
4251 }
4252 goto finish_pcrel;
4253
4254 finish_pcrel:
4255 /* Make pc-relative. */
4256 value -= (input_section->output_section->vma
4257 + input_section->output_offset
4258 + rel->r_offset) & ~ (bfd_vma) 0x3;
4259 r = ia64_elf_install_value (hit_addr, value, r_type);
4260 break;
4261
4262 case R_IA64_SEGREL32MSB:
4263 case R_IA64_SEGREL32LSB:
4264 case R_IA64_SEGREL64MSB:
4265 case R_IA64_SEGREL64LSB:
4266 {
4267 /* Find the segment that contains the output_section. */
4268 Elf_Internal_Phdr *p = _bfd_elf_find_segment_containing_section
4269 (output_bfd, input_section->output_section);
4270
4271 if (p == NULL)
4272 {
4273 r = bfd_reloc_notsupported;
4274 }
4275 else
4276 {
4277 /* The VMA of the segment is the vaddr of the associated
4278 program header. */
4279 if (value > p->p_vaddr)
4280 value -= p->p_vaddr;
4281 else
4282 value = 0;
4283 r = ia64_elf_install_value (hit_addr, value, r_type);
4284 }
4285 break;
4286 }
4287
4288 case R_IA64_SECREL32MSB:
4289 case R_IA64_SECREL32LSB:
4290 case R_IA64_SECREL64MSB:
4291 case R_IA64_SECREL64LSB:
4292 /* Make output-section relative to section where the symbol
4293 is defined. PR 475 */
4294 if (sym_sec)
4295 value -= sym_sec->output_section->vma;
4296 r = ia64_elf_install_value (hit_addr, value, r_type);
4297 break;
4298
4299 case R_IA64_IPLTMSB:
4300 case R_IA64_IPLTLSB:
4301 /* Install a dynamic relocation for this reloc. */
0e1862bb 4302 if ((dynamic_symbol_p || bfd_link_pic (info))
cbe79dfe
TG		 4303 && (input_section->flags & SEC_ALLOC) != 0)
4304 {
4305 BFD_ASSERT (srel != NULL);
4306
4307 /* If we don't need dynamic symbol lookup, install two
4308 RELATIVE relocations. */
4309 if (!dynamic_symbol_p)
4310 {
4311 unsigned int dyn_r_type;
4312
4313 if (r_type == R_IA64_IPLTMSB)
4314 dyn_r_type = R_IA64_REL64MSB;
4315 else
4316 dyn_r_type = R_IA64_REL64LSB;
4317
4318 elfNN_ia64_install_dyn_reloc (output_bfd, info,
4319 input_section,
4320 srel, rel->r_offset,
4321 dyn_r_type, 0, value);
4322 elfNN_ia64_install_dyn_reloc (output_bfd, info,
4323 input_section,
4324 srel, rel->r_offset + 8,
4325 dyn_r_type, 0, gp_val);
4326 }
4327 else
4328 elfNN_ia64_install_dyn_reloc (output_bfd, info, input_section,
4329 srel, rel->r_offset, r_type,
4330 h->dynindx, rel->r_addend);
4331 }
4332
4333 if (r_type == R_IA64_IPLTMSB)
4334 r_type = R_IA64_DIR64MSB;
4335 else
4336 r_type = R_IA64_DIR64LSB;
4337 ia64_elf_install_value (hit_addr, value, r_type);
4338 r = ia64_elf_install_value (hit_addr + 8, gp_val, r_type);
4339 break;
4340
4341 case R_IA64_TPREL14:
4342 case R_IA64_TPREL22:
4343 case R_IA64_TPREL64I:
4344 if (elf_hash_table (info)->tls_sec == NULL)
4345 goto missing_tls_sec;
4346 value -= elfNN_ia64_tprel_base (info);
4347 r = ia64_elf_install_value (hit_addr, value, r_type);
4348 break;
4349
4350 case R_IA64_DTPREL14:
4351 case R_IA64_DTPREL22:
4352 case R_IA64_DTPREL64I:
4353 case R_IA64_DTPREL32LSB:
4354 case R_IA64_DTPREL32MSB:
4355 case R_IA64_DTPREL64LSB:
4356 case R_IA64_DTPREL64MSB:
4357 if (elf_hash_table (info)->tls_sec == NULL)
4358 goto missing_tls_sec;
4359 value -= elfNN_ia64_dtprel_base (info);
4360 r = ia64_elf_install_value (hit_addr, value, r_type);
4361 break;
4362
4363 case R_IA64_LTOFF_TPREL22:
4364 case R_IA64_LTOFF_DTPMOD22:
4365 case R_IA64_LTOFF_DTPREL22:
4366 {
4367 int got_r_type;
4368 long dynindx = h ? h->dynindx : -1;
4369 bfd_vma r_addend = rel->r_addend;
4370
4371 switch (r_type)
4372 {
4373 default:
4374 case R_IA64_LTOFF_TPREL22:
4375 if (!dynamic_symbol_p)
4376 {
4377 if (elf_hash_table (info)->tls_sec == NULL)
4378 goto missing_tls_sec;
0e1862bb 4379 if (!bfd_link_pic (info))
cbe79dfe
TG		 4380 value -= elfNN_ia64_tprel_base (info);
4381 else
4382 {
4383 r_addend += value - elfNN_ia64_dtprel_base (info);
4384 dynindx = 0;
4385 }
4386 }
4387 got_r_type = R_IA64_TPREL64LSB;
4388 break;
4389 case R_IA64_LTOFF_DTPMOD22:
0e1862bb 4390 if (!dynamic_symbol_p && !bfd_link_pic (info))
cbe79dfe
TG		 4391 value = 1;
4392 got_r_type = R_IA64_DTPMOD64LSB;
4393 break;
4394 case R_IA64_LTOFF_DTPREL22:
4395 if (!dynamic_symbol_p)
4396 {
4397 if (elf_hash_table (info)->tls_sec == NULL)
4398 goto missing_tls_sec;
4399 value -= elfNN_ia64_dtprel_base (info);
4400 }
4401 got_r_type = R_IA64_DTPRELNNLSB;
4402 break;
4403 }
4404 dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, FALSE);
4405 value = set_got_entry (input_bfd, info, dyn_i, dynindx, r_addend,
4406 value, got_r_type);
4407 value -= gp_val;
4408 r = ia64_elf_install_value (hit_addr, value, r_type);
4409 }
4410 break;
4411
4412 default:
4413 r = bfd_reloc_notsupported;
4414 break;
4415 }
4416
4417 switch (r)
4418 {
4419 case bfd_reloc_ok:
4420 break;
4421
4422 case bfd_reloc_undefined:
4423 /* This can happen for global table relative relocs if
4424 __gp is undefined. This is a panic situation so we
4425 don't try to continue. */
4426 (*info->callbacks->undefined_symbol)
4427 (info, "__gp", input_bfd, input_section, rel->r_offset, 1);
4428 return FALSE;
4429
4430 case bfd_reloc_notsupported:
4431 {
4432 const char *name;
4433
4434 if (h)
4435 name = h->root.root.string;
4436 else
4437 name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym,
4438 sym_sec);
1a72702b
AM		 4439 (*info->callbacks->warning) (info, _("unsupported reloc"),
4440 name, input_bfd,
4441 input_section, rel->r_offset);
cbe79dfe
TG		 4442 ret_val = FALSE;
4443 }
4444 break;
4445
4446 case bfd_reloc_dangerous:
4447 case bfd_reloc_outofrange:
4448 case bfd_reloc_overflow:
4449 default:
4450missing_tls_sec:
4451 {
4452 const char *name;
4453
4454 if (h)
4455 name = h->root.root.string;
4456 else
4457 name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym,
4458 sym_sec);
4459
4460 switch (r_type)
4461 {
4462 case R_IA64_TPREL14:
4463 case R_IA64_TPREL22:
4464 case R_IA64_TPREL64I:
4465 case R_IA64_DTPREL14:
4466 case R_IA64_DTPREL22:
4467 case R_IA64_DTPREL64I:
4468 case R_IA64_DTPREL32LSB:
4469 case R_IA64_DTPREL32MSB:
4470 case R_IA64_DTPREL64LSB:
4471 case R_IA64_DTPREL64MSB:
4472 case R_IA64_LTOFF_TPREL22:
4473 case R_IA64_LTOFF_DTPMOD22:
4474 case R_IA64_LTOFF_DTPREL22:
4eca0228 4475 _bfd_error_handler
695344c0 4476 /* xgettext:c-format */
cbe79dfe
TG		 4477 (_("%B: missing TLS section for relocation %s against `%s' at 0x%lx in section `%A'."),
4478 input_bfd, input_section, howto->name, name,
4479 rel->r_offset);
4480 break;
4481
4482 case R_IA64_PCREL21B:
4483 case R_IA64_PCREL21BI:
4484 case R_IA64_PCREL21M:
4485 case R_IA64_PCREL21F:
4486 if (is_elf_hash_table (info->hash))
4487 {
4488 /* Relaxtion is always performed for ELF output.
4489 Overflow failures for those relocations mean
4490 that the section is too big to relax. */
4eca0228 4491 _bfd_error_handler
695344c0 4492 /* xgettext:c-format */
cbe79dfe
TG		 4493 (_("%B: Can't relax br (%s) to `%s' at 0x%lx in section `%A' with size 0x%lx (> 0x1000000)."),
4494 input_bfd, input_section, howto->name, name,
4495 rel->r_offset, input_section->size);
4496 break;
4497 }
1a0670f3 4498 /* Fall through. */
cbe79dfe 4499 default:
1a72702b
AM		 4500 (*info->callbacks->reloc_overflow) (info,
4501 &h->root,
4502 name,
4503 howto->name,
4504 (bfd_vma) 0,
4505 input_bfd,
4506 input_section,
4507 rel->r_offset);
cbe79dfe
TG		 4508 break;
4509 }
4510
4511 ret_val = FALSE;
4512 }
4513 break;
4514 }
4515 }
4516
4517 return ret_val;
4518}
4519
4520static bfd_boolean
4521elfNN_ia64_finish_dynamic_symbol (bfd *output_bfd,
4522 struct bfd_link_info *info,
4523 struct elf_link_hash_entry *h,
4524 Elf_Internal_Sym *sym)
4525{
4526 struct elfNN_ia64_link_hash_table *ia64_info;
4527 struct elfNN_ia64_dyn_sym_info *dyn_i;
4528
4529 ia64_info = elfNN_ia64_hash_table (info);
4530 if (ia64_info == NULL)
4531 return FALSE;
4532
4533 dyn_i = get_dyn_sym_info (ia64_info, h, NULL, NULL, FALSE);
4534
4535 /* Fill in the PLT data, if required. */
4536 if (dyn_i && dyn_i->want_plt)
4537 {
4538 Elf_Internal_Rela outrel;
4539 bfd_byte *loc;
4540 asection *plt_sec;
4541 bfd_vma plt_addr, pltoff_addr, gp_val, plt_index;
4542
4543 gp_val = _bfd_get_gp_value (output_bfd);
4544
4545 /* Initialize the minimal PLT entry. */
4546
4547 plt_index = (dyn_i->plt_offset - PLT_HEADER_SIZE) / PLT_MIN_ENTRY_SIZE;
4548 plt_sec = ia64_info->root.splt;
4549 loc = plt_sec->contents + dyn_i->plt_offset;
4550
4551 memcpy (loc, plt_min_entry, PLT_MIN_ENTRY_SIZE);
4552 ia64_elf_install_value (loc, plt_index, R_IA64_IMM22);
4553 ia64_elf_install_value (loc+2, -dyn_i->plt_offset, R_IA64_PCREL21B);
4554
4555 plt_addr = (plt_sec->output_section->vma
4556 + plt_sec->output_offset
4557 + dyn_i->plt_offset);
4558 pltoff_addr = set_pltoff_entry (output_bfd, info, dyn_i, plt_addr, TRUE);
4559
4560 /* Initialize the FULL PLT entry, if needed. */
4561 if (dyn_i->want_plt2)
4562 {
4563 loc = plt_sec->contents + dyn_i->plt2_offset;
4564
4565 memcpy (loc, plt_full_entry, PLT_FULL_ENTRY_SIZE);
4566 ia64_elf_install_value (loc, pltoff_addr - gp_val, R_IA64_IMM22);
4567
4568 /* Mark the symbol as undefined, rather than as defined in the
4569 plt section. Leave the value alone. */
4570 /* ??? We didn't redefine it in adjust_dynamic_symbol in the
4571 first place. But perhaps elflink.c did some for us. */
4572 if (!h->def_regular)
4573 sym->st_shndx = SHN_UNDEF;
4574 }
4575
4576 /* Create the dynamic relocation. */
4577 outrel.r_offset = pltoff_addr;
4578 if (bfd_little_endian (output_bfd))
4579 outrel.r_info = ELFNN_R_INFO (h->dynindx, R_IA64_IPLTLSB);
4580 else
4581 outrel.r_info = ELFNN_R_INFO (h->dynindx, R_IA64_IPLTMSB);
4582 outrel.r_addend = 0;
4583
4584 /* This is fun. In the .IA_64.pltoff section, we've got entries
4585 that correspond both to real PLT entries, and those that
4586 happened to resolve to local symbols but need to be created
4587 to satisfy @pltoff relocations. The .rela.IA_64.pltoff
4588 relocations for the real PLT should come at the end of the
4589 section, so that they can be indexed by plt entry at runtime.
4590
4591 We emitted all of the relocations for the non-PLT @pltoff
4592 entries during relocate_section. So we can consider the
4593 existing sec->reloc_count to be the base of the array of
4594 PLT relocations. */
4595
4596 loc = ia64_info->rel_pltoff_sec->contents;
4597 loc += ((ia64_info->rel_pltoff_sec->reloc_count + plt_index)
4598 * sizeof (ElfNN_External_Rela));
4599 bfd_elfNN_swap_reloca_out (output_bfd, &outrel, loc);
4600 }
4601
4602 /* Mark some specially defined symbols as absolute. */
9637f6ef 4603 if (h == ia64_info->root.hdynamic
cbe79dfe
TG		 4604 || h == ia64_info->root.hgot
4605 || h == ia64_info->root.hplt)
4606 sym->st_shndx = SHN_ABS;
4607
4608 return TRUE;
4609}
4610
4611static bfd_boolean
4612elfNN_ia64_finish_dynamic_sections (bfd *abfd,
4613 struct bfd_link_info *info)
4614{
4615 struct elfNN_ia64_link_hash_table *ia64_info;
4616 bfd *dynobj;
4617
4618 ia64_info = elfNN_ia64_hash_table (info);
4619 if (ia64_info == NULL)
4620 return FALSE;
4621
4622 dynobj = ia64_info->root.dynobj;
4623
4624 if (elf_hash_table (info)->dynamic_sections_created)
4625 {
4626 ElfNN_External_Dyn *dyncon, *dynconend;
4627 asection *sdyn, *sgotplt;
4628 bfd_vma gp_val;
4629
3d4d4302
AM		 4630 sdyn = bfd_get_linker_section (dynobj, ".dynamic");
4631 sgotplt = bfd_get_linker_section (dynobj, ".got.plt");
cbe79dfe
TG		 4632 BFD_ASSERT (sdyn != NULL);
4633 dyncon = (ElfNN_External_Dyn *) sdyn->contents;
4634 dynconend = (ElfNN_External_Dyn *) (sdyn->contents + sdyn->size);
4635
4636 gp_val = _bfd_get_gp_value (abfd);
4637
4638 for (; dyncon < dynconend; dyncon++)
4639 {
4640 Elf_Internal_Dyn dyn;
4641
4642 bfd_elfNN_swap_dyn_in (dynobj, dyncon, &dyn);
4643
4644 switch (dyn.d_tag)
4645 {
4646 case DT_PLTGOT:
4647 dyn.d_un.d_ptr = gp_val;
4648 break;
4649
4650 case DT_PLTRELSZ:
4651 dyn.d_un.d_val = (ia64_info->minplt_entries
4652 * sizeof (ElfNN_External_Rela));
4653 break;
4654
4655 case DT_JMPREL:
4656 /* See the comment above in finish_dynamic_symbol. */
4657 dyn.d_un.d_ptr = (ia64_info->rel_pltoff_sec->output_section->vma
4658 + ia64_info->rel_pltoff_sec->output_offset
4659 + (ia64_info->rel_pltoff_sec->reloc_count
4660 * sizeof (ElfNN_External_Rela)));
4661 break;
4662
4663 case DT_IA_64_PLT_RESERVE:
4664 dyn.d_un.d_ptr = (sgotplt->output_section->vma
4665 + sgotplt->output_offset);
4666 break;
4667
4668 case DT_RELASZ:
4669 /* Do not have RELASZ include JMPREL. This makes things
4670 easier on ld.so. This is not what the rest of BFD set up. */
4671 dyn.d_un.d_val -= (ia64_info->minplt_entries
4672 * sizeof (ElfNN_External_Rela));
4673 break;
4674 }
4675
4676 bfd_elfNN_swap_dyn_out (abfd, &dyn, dyncon);
4677 }
4678
4679 /* Initialize the PLT0 entry. */
4680 if (ia64_info->root.splt)
4681 {
4682 bfd_byte *loc = ia64_info->root.splt->contents;
4683 bfd_vma pltres;
4684
4685 memcpy (loc, plt_header, PLT_HEADER_SIZE);
4686
4687 pltres = (sgotplt->output_section->vma
4688 + sgotplt->output_offset
4689 - gp_val);
4690
4691 ia64_elf_install_value (loc+1, pltres, R_IA64_GPREL22);
4692 }
4693 }
4694
4695 return TRUE;
4696}
4697\f
4698/* ELF file flag handling: */
4699
4700/* Function to keep IA-64 specific file flags. */
4701static bfd_boolean
4702elfNN_ia64_set_private_flags (bfd *abfd, flagword flags)
4703{
4704 BFD_ASSERT (!elf_flags_init (abfd)
4705 || elf_elfheader (abfd)->e_flags == flags);
4706
4707 elf_elfheader (abfd)->e_flags = flags;
4708 elf_flags_init (abfd) = TRUE;
4709 return TRUE;
4710}
4711
4712/* Merge backend specific data from an object file to the output
4713 object file when linking. */
4714static bfd_boolean
50e03d47 4715elfNN_ia64_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
cbe79dfe 4716{
50e03d47 4717 bfd *obfd = info->output_bfd;
cbe79dfe
TG		 4718 flagword out_flags;
4719 flagword in_flags;
4720 bfd_boolean ok = TRUE;
4721
4722 /* Don't even pretend to support mixed-format linking. */
4723 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
4724 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
4725 return FALSE;
4726
4727 in_flags = elf_elfheader (ibfd)->e_flags;
4728 out_flags = elf_elfheader (obfd)->e_flags;
4729
4730 if (! elf_flags_init (obfd))
4731 {
4732 elf_flags_init (obfd) = TRUE;
4733 elf_elfheader (obfd)->e_flags = in_flags;
4734
4735 if (bfd_get_arch (obfd) == bfd_get_arch (ibfd)
4736 && bfd_get_arch_info (obfd)->the_default)
4737 {
4738 return bfd_set_arch_mach (obfd, bfd_get_arch (ibfd),
4739 bfd_get_mach (ibfd));
4740 }
4741
4742 return TRUE;
4743 }
4744
4745 /* Check flag compatibility. */
4746 if (in_flags == out_flags)
4747 return TRUE;
4748
4749 /* Output has EF_IA_64_REDUCEDFP set only if all inputs have it set. */
4750 if (!(in_flags & EF_IA_64_REDUCEDFP) && (out_flags & EF_IA_64_REDUCEDFP))
4751 elf_elfheader (obfd)->e_flags &= ~EF_IA_64_REDUCEDFP;
4752
4753 if ((in_flags & EF_IA_64_TRAPNIL) != (out_flags & EF_IA_64_TRAPNIL))
4754 {
4eca0228 4755 _bfd_error_handler
cbe79dfe
TG		 4756 (_("%B: linking trap-on-NULL-dereference with non-trapping files"),
4757 ibfd);
4758
4759 bfd_set_error (bfd_error_bad_value);
4760 ok = FALSE;
4761 }
4762 if ((in_flags & EF_IA_64_BE) != (out_flags & EF_IA_64_BE))
4763 {
4eca0228 4764 _bfd_error_handler
cbe79dfe
TG		 4765 (_("%B: linking big-endian files with little-endian files"),
4766 ibfd);
4767
4768 bfd_set_error (bfd_error_bad_value);
4769 ok = FALSE;
4770 }
4771 if ((in_flags & EF_IA_64_ABI64) != (out_flags & EF_IA_64_ABI64))
4772 {
4eca0228 4773 _bfd_error_handler
cbe79dfe
TG		 4774 (_("%B: linking 64-bit files with 32-bit files"),
4775 ibfd);
4776
4777 bfd_set_error (bfd_error_bad_value);
4778 ok = FALSE;
4779 }
4780 if ((in_flags & EF_IA_64_CONS_GP) != (out_flags & EF_IA_64_CONS_GP))
4781 {
4eca0228 4782 _bfd_error_handler
cbe79dfe
TG		 4783 (_("%B: linking constant-gp files with non-constant-gp files"),
4784 ibfd);
4785
4786 bfd_set_error (bfd_error_bad_value);
4787 ok = FALSE;
4788 }
4789 if ((in_flags & EF_IA_64_NOFUNCDESC_CONS_GP)
4790 != (out_flags & EF_IA_64_NOFUNCDESC_CONS_GP))
4791 {
4eca0228 4792 _bfd_error_handler
cbe79dfe
TG		 4793 (_("%B: linking auto-pic files with non-auto-pic files"),
4794 ibfd);
4795
4796 bfd_set_error (bfd_error_bad_value);
4797 ok = FALSE;
4798 }
4799
4800 return ok;
4801}
4802
4803static bfd_boolean
2c3fc389 4804elfNN_ia64_print_private_bfd_data (bfd *abfd, void * ptr)
cbe79dfe
TG		 4805{
4806 FILE *file = (FILE *) ptr;
4807 flagword flags = elf_elfheader (abfd)->e_flags;
4808
4809 BFD_ASSERT (abfd != NULL && ptr != NULL);
4810
4811 fprintf (file, "private flags = %s%s%s%s%s%s%s%s\n",
4812 (flags & EF_IA_64_TRAPNIL) ? "TRAPNIL, " : "",
4813 (flags & EF_IA_64_EXT) ? "EXT, " : "",
4814 (flags & EF_IA_64_BE) ? "BE, " : "LE, ",
4815 (flags & EF_IA_64_REDUCEDFP) ? "REDUCEDFP, " : "",
4816 (flags & EF_IA_64_CONS_GP) ? "CONS_GP, " : "",
4817 (flags & EF_IA_64_NOFUNCDESC_CONS_GP) ? "NOFUNCDESC_CONS_GP, " : "",
4818 (flags & EF_IA_64_ABSOLUTE) ? "ABSOLUTE, " : "",
4819 (flags & EF_IA_64_ABI64) ? "ABI64" : "ABI32");
4820
4821 _bfd_elf_print_private_bfd_data (abfd, ptr);
4822 return TRUE;
4823}
4824
4825static enum elf_reloc_type_class
7e612e98
AM		 4826elfNN_ia64_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
4827 const asection *rel_sec ATTRIBUTE_UNUSED,
4828 const Elf_Internal_Rela *rela)
cbe79dfe
TG		 4829{
4830 switch ((int) ELFNN_R_TYPE (rela->r_info))
4831 {
4832 case R_IA64_REL32MSB:
4833 case R_IA64_REL32LSB:
4834 case R_IA64_REL64MSB:
4835 case R_IA64_REL64LSB:
4836 return reloc_class_relative;
4837 case R_IA64_IPLTMSB:
4838 case R_IA64_IPLTLSB:
4839 return reloc_class_plt;
4840 case R_IA64_COPY:
4841 return reloc_class_copy;
4842 default:
4843 return reloc_class_normal;
4844 }
4845}
4846
4847static const struct bfd_elf_special_section elfNN_ia64_special_sections[] =
4848{
4849 { STRING_COMMA_LEN (".sbss"), -1, SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_IA_64_SHORT },
4850 { STRING_COMMA_LEN (".sdata"), -1, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_IA_64_SHORT },
4851 { NULL, 0, 0, 0, 0 }
4852};
4853
4854static bfd_boolean
4855elfNN_ia64_object_p (bfd *abfd)
4856{
4857 asection *sec;
4858 asection *group, *unwi, *unw;
4859 flagword flags;
4860 const char *name;
4861 char *unwi_name, *unw_name;
4862 bfd_size_type amt;
4863
4864 if (abfd->flags & DYNAMIC)
4865 return TRUE;
4866
4867 /* Flags for fake group section. */
4868 flags = (SEC_LINKER_CREATED | SEC_GROUP | SEC_LINK_ONCE
4869 | SEC_EXCLUDE);
4870
4871 /* We add a fake section group for each .gnu.linkonce.t.* section,
4872 which isn't in a section group, and its unwind sections. */
4873 for (sec = abfd->sections; sec != NULL; sec = sec->next)
4874 {
4875 if (elf_sec_group (sec) == NULL
4876 && ((sec->flags & (SEC_LINK_ONCE | SEC_CODE | SEC_GROUP))
4877 == (SEC_LINK_ONCE | SEC_CODE))
4878 && CONST_STRNEQ (sec->name, ".gnu.linkonce.t."))
4879 {
4880 name = sec->name + 16;
4881
4882 amt = strlen (name) + sizeof (".gnu.linkonce.ia64unwi.");
4883 unwi_name = bfd_alloc (abfd, amt);
4884 if (!unwi_name)
4885 return FALSE;
4886
4887 strcpy (stpcpy (unwi_name, ".gnu.linkonce.ia64unwi."), name);
4888 unwi = bfd_get_section_by_name (abfd, unwi_name);
4889
4890 amt = strlen (name) + sizeof (".gnu.linkonce.ia64unw.");
4891 unw_name = bfd_alloc (abfd, amt);
4892 if (!unw_name)
4893 return FALSE;
4894
4895 strcpy (stpcpy (unw_name, ".gnu.linkonce.ia64unw."), name);
4896 unw = bfd_get_section_by_name (abfd, unw_name);
4897
4898 /* We need to create a fake group section for it and its
4899 unwind sections. */
4900 group = bfd_make_section_anyway_with_flags (abfd, name,
4901 flags);
4902 if (group == NULL)
4903 return FALSE;
4904
4905 /* Move the fake group section to the beginning. */
4906 bfd_section_list_remove (abfd, group);
4907 bfd_section_list_prepend (abfd, group);
4908
4909 elf_next_in_group (group) = sec;
4910
4911 elf_group_name (sec) = name;
4912 elf_next_in_group (sec) = sec;
4913 elf_sec_group (sec) = group;
4914
4915 if (unwi)
4916 {
4917 elf_group_name (unwi) = name;
4918 elf_next_in_group (unwi) = sec;
4919 elf_next_in_group (sec) = unwi;
4920 elf_sec_group (unwi) = group;
4921 }
4922
4923 if (unw)
4924 {
4925 elf_group_name (unw) = name;
4926 if (unwi)
4927 {
4928 elf_next_in_group (unw) = elf_next_in_group (unwi);
4929 elf_next_in_group (unwi) = unw;
4930 }
4931 else
4932 {
4933 elf_next_in_group (unw) = sec;
4934 elf_next_in_group (sec) = unw;
4935 }
4936 elf_sec_group (unw) = group;
4937 }
4938
4939 /* Fake SHT_GROUP section header. */
4940 elf_section_data (group)->this_hdr.bfd_section = group;
4941 elf_section_data (group)->this_hdr.sh_type = SHT_GROUP;
4942 }
4943 }
4944 return TRUE;
4945}
4946
4947static bfd_boolean
4948elfNN_ia64_hpux_vec (const bfd_target *vec)
4949{
6d00b590
AM		 4950 extern const bfd_target ia64_elfNN_hpux_be_vec;
4951 return (vec == &ia64_elfNN_hpux_be_vec);
cbe79dfe
TG		 4952}
4953
4954static void
4955elfNN_hpux_post_process_headers (bfd *abfd,
4956 struct bfd_link_info *info ATTRIBUTE_UNUSED)
4957{
4958 Elf_Internal_Ehdr *i_ehdrp = elf_elfheader (abfd);
4959
4960 i_ehdrp->e_ident[EI_OSABI] = get_elf_backend_data (abfd)->elf_osabi;
4961 i_ehdrp->e_ident[EI_ABIVERSION] = 1;
4962}
4963
4964static bfd_boolean
4965elfNN_hpux_backend_section_from_bfd_section (bfd *abfd ATTRIBUTE_UNUSED,
4966 asection *sec, int *retval)
4967{
4968 if (bfd_is_com_section (sec))
4969 {
4970 *retval = SHN_IA_64_ANSI_COMMON;
4971 return TRUE;
4972 }
4973 return FALSE;
4974}
4975
4976static void
4977elfNN_hpux_backend_symbol_processing (bfd *abfd ATTRIBUTE_UNUSED,
4978 asymbol *asym)
4979{
4980 elf_symbol_type *elfsym = (elf_symbol_type *) asym;
4981
4982 switch (elfsym->internal_elf_sym.st_shndx)
4983 {
4984 case SHN_IA_64_ANSI_COMMON:
4985 asym->section = bfd_com_section_ptr;
4986 asym->value = elfsym->internal_elf_sym.st_size;
4987 asym->flags &= ~BSF_GLOBAL;
4988 break;
4989 }
4990}
cbe79dfe 4991\f
6d00b590 4992#define TARGET_LITTLE_SYM ia64_elfNN_le_vec
cbe79dfe 4993#define TARGET_LITTLE_NAME "elfNN-ia64-little"
6d00b590 4994#define TARGET_BIG_SYM ia64_elfNN_be_vec
cbe79dfe
TG		 4995#define TARGET_BIG_NAME "elfNN-ia64-big"
4996#define ELF_ARCH bfd_arch_ia64
4997#define ELF_TARGET_ID IA64_ELF_DATA
4998#define ELF_MACHINE_CODE EM_IA_64
4999#define ELF_MACHINE_ALT1 1999 /* EAS2.3 */
5000#define ELF_MACHINE_ALT2 1998 /* EAS2.2 */
5001#define ELF_MAXPAGESIZE 0x10000 /* 64KB */
5002#define ELF_COMMONPAGESIZE 0x4000 /* 16KB */
5003
5004#define elf_backend_section_from_shdr \
5005 elfNN_ia64_section_from_shdr
5006#define elf_backend_section_flags \
5007 elfNN_ia64_section_flags
5008#define elf_backend_fake_sections \
5009 elfNN_ia64_fake_sections
5010#define elf_backend_final_write_processing \
5011 elfNN_ia64_final_write_processing
5012#define elf_backend_add_symbol_hook \
5013 elfNN_ia64_add_symbol_hook
5014#define elf_backend_additional_program_headers \
5015 elfNN_ia64_additional_program_headers
5016#define elf_backend_modify_segment_map \
5017 elfNN_ia64_modify_segment_map
5018#define elf_backend_modify_program_headers \
5019 elfNN_ia64_modify_program_headers
5020#define elf_info_to_howto \
5021 elfNN_ia64_info_to_howto
5022
5023#define bfd_elfNN_bfd_reloc_type_lookup \
5024 ia64_elf_reloc_type_lookup
5025#define bfd_elfNN_bfd_reloc_name_lookup \
5026 ia64_elf_reloc_name_lookup
5027#define bfd_elfNN_bfd_is_local_label_name \
5028 elfNN_ia64_is_local_label_name
5029#define bfd_elfNN_bfd_relax_section \
5030 elfNN_ia64_relax_section
5031
5032#define elf_backend_object_p \
5033 elfNN_ia64_object_p
5034
5035/* Stuff for the BFD linker: */
5036#define bfd_elfNN_bfd_link_hash_table_create \
5037 elfNN_ia64_hash_table_create
cbe79dfe
TG		 5038#define elf_backend_create_dynamic_sections \
5039 elfNN_ia64_create_dynamic_sections
5040#define elf_backend_check_relocs \
5041 elfNN_ia64_check_relocs
5042#define elf_backend_adjust_dynamic_symbol \
5043 elfNN_ia64_adjust_dynamic_symbol
5044#define elf_backend_size_dynamic_sections \
5045 elfNN_ia64_size_dynamic_sections
5046#define elf_backend_omit_section_dynsym \
5047 ((bfd_boolean (*) (bfd *, struct bfd_link_info *, asection *)) bfd_true)
5048#define elf_backend_relocate_section \
5049 elfNN_ia64_relocate_section
5050#define elf_backend_finish_dynamic_symbol \
5051 elfNN_ia64_finish_dynamic_symbol
5052#define elf_backend_finish_dynamic_sections \
5053 elfNN_ia64_finish_dynamic_sections
5054#define bfd_elfNN_bfd_final_link \
5055 elfNN_ia64_final_link
5056
5057#define bfd_elfNN_bfd_merge_private_bfd_data \
5058 elfNN_ia64_merge_private_bfd_data
5059#define bfd_elfNN_bfd_set_private_flags \
5060 elfNN_ia64_set_private_flags
5061#define bfd_elfNN_bfd_print_private_bfd_data \
5062 elfNN_ia64_print_private_bfd_data
5063
5064#define elf_backend_plt_readonly 1
5065#define elf_backend_want_plt_sym 0
5066#define elf_backend_plt_alignment 5
5067#define elf_backend_got_header_size 0
5068#define elf_backend_want_got_plt 1
5069#define elf_backend_may_use_rel_p 1
5070#define elf_backend_may_use_rela_p 1
5071#define elf_backend_default_use_rela_p 1
5072#define elf_backend_want_dynbss 0
5073#define elf_backend_copy_indirect_symbol elfNN_ia64_hash_copy_indirect
5074#define elf_backend_hide_symbol elfNN_ia64_hash_hide_symbol
5075#define elf_backend_fixup_symbol _bfd_elf_link_hash_fixup_symbol
5076#define elf_backend_reloc_type_class elfNN_ia64_reloc_type_class
5077#define elf_backend_rela_normal 1
5078#define elf_backend_special_sections elfNN_ia64_special_sections
5079#define elf_backend_default_execstack 0
5080
5081/* FIXME: PR 290: The Intel C compiler generates SHT_IA_64_UNWIND with
5082 SHF_LINK_ORDER. But it doesn't set the sh_link or sh_info fields.
5083 We don't want to flood users with so many error messages. We turn
5084 off the warning for now. It will be turned on later when the Intel
5085 compiler is fixed. */
5086#define elf_backend_link_order_error_handler NULL
5087
5088#include "elfNN-target.h"
5089
5090/* HPUX-specific vectors. */
5091
5092#undef TARGET_LITTLE_SYM
5093#undef TARGET_LITTLE_NAME
5094#undef TARGET_BIG_SYM
6d00b590 5095#define TARGET_BIG_SYM ia64_elfNN_hpux_be_vec
cbe79dfe
TG		 5096#undef TARGET_BIG_NAME
5097#define TARGET_BIG_NAME "elfNN-ia64-hpux-big"
5098
5099/* These are HP-UX specific functions. */
5100
5101#undef elf_backend_post_process_headers
5102#define elf_backend_post_process_headers elfNN_hpux_post_process_headers
5103
5104#undef elf_backend_section_from_bfd_section
5105#define elf_backend_section_from_bfd_section elfNN_hpux_backend_section_from_bfd_section
5106
5107#undef elf_backend_symbol_processing
5108#define elf_backend_symbol_processing elfNN_hpux_backend_symbol_processing
5109
5110#undef elf_backend_want_p_paddr_set_to_zero
5111#define elf_backend_want_p_paddr_set_to_zero 1
5112
5113#undef ELF_COMMONPAGESIZE
5114#undef ELF_OSABI
5115#define ELF_OSABI ELFOSABI_HPUX
5116
5117#undef elfNN_bed
5118#define elfNN_bed elfNN_ia64_hpux_bed
5119
5120#include "elfNN-target.h"
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