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(_bfd_mips_elf_relocate_section): Initialise 'value' to avoid compile time
[deliverable/binutils-gdb.git] / bfd / elfxx-ia64.c
CommitLineData
800eeca4 1/* IA-64 support for 64-bit ELF
4f40114d 2 Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
b2a8e766 3 Free Software Foundation, Inc.
800eeca4
JW		 4 Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
5
5e8d7549 6 This file is part of BFD, the Binary File Descriptor library.
800eeca4 7
5e8d7549
NC		 8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
800eeca4 12
5e8d7549
NC		 13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
800eeca4 17
5e8d7549
NC		 18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
3e110533 20 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
800eeca4
JW		 21
22#include "bfd.h"
23#include "sysdep.h"
24#include "libbfd.h"
25#include "elf-bfd.h"
26#include "opcode/ia64.h"
27#include "elf/ia64.h"
0aa92b58
JJ		 28#include "objalloc.h"
29#include "hashtab.h"
800eeca4 30
5a260b66
L		 31#define ARCH_SIZE NN
32
33#if ARCH_SIZE == 64
34#define LOG_SECTION_ALIGN 3
35#endif
36
37#if ARCH_SIZE == 32
38#define LOG_SECTION_ALIGN 2
39#endif
40
5e8d7549 41/* THE RULES for all the stuff the linker creates --
b34976b6 42
5e8d7549
NC		 43 GOT Entries created in response to LTOFF or LTOFF_FPTR
44 relocations. Dynamic relocs created for dynamic
45 symbols in an application; REL relocs for locals
46 in a shared library.
b34976b6 47
5e8d7549
NC		 48 FPTR The canonical function descriptor. Created for local
49 symbols in applications. Descriptors for dynamic symbols
50 and local symbols in shared libraries are created by
51 ld.so. Thus there are no dynamic relocs against these
52 objects. The FPTR relocs for such _are_ passed through
53 to the dynamic relocation tables.
b34976b6 54
5e8d7549
NC		 55 FULL_PLT Created for a PCREL21B relocation against a dynamic symbol.
56 Requires the creation of a PLTOFF entry. This does not
57 require any dynamic relocations.
b34976b6 58
5e8d7549
NC		 59 PLTOFF Created by PLTOFF relocations. For local symbols, this
60 is an alternate function descriptor, and in shared libraries
61 requires two REL relocations. Note that this cannot be
62 transformed into an FPTR relocation, since it must be in
63 range of the GP. For dynamic symbols, this is a function
64 descriptor for a MIN_PLT entry, and requires one IPLT reloc.
b34976b6 65
5e8d7549 66 MIN_PLT Created by PLTOFF entries against dynamic symbols. This
4cc11e76 67 does not require dynamic relocations. */
800eeca4 68
800eeca4
JW		 69#define NELEMS(a) ((int) (sizeof (a) / sizeof ((a)[0])))
70
71typedef struct bfd_hash_entry *(*new_hash_entry_func)
72 PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
73
74/* In dynamically (linker-) created sections, we generally need to keep track
75 of the place a symbol or expression got allocated to. This is done via hash
76 tables that store entries of the following type. */
77
bbe66d08 78struct elfNN_ia64_dyn_sym_info
800eeca4
JW		 79{
80 /* The addend for which this entry is relevant. */
81 bfd_vma addend;
82
83 /* Next addend in the list. */
bbe66d08 84 struct elfNN_ia64_dyn_sym_info *next;
800eeca4
JW		 85
86 bfd_vma got_offset;
87 bfd_vma fptr_offset;
88 bfd_vma pltoff_offset;
89 bfd_vma plt_offset;
90 bfd_vma plt2_offset;
13ae64f3
JJ		 91 bfd_vma tprel_offset;
92 bfd_vma dtpmod_offset;
93 bfd_vma dtprel_offset;
800eeca4 94
4cc11e76 95 /* The symbol table entry, if any, that this was derived from. */
800eeca4 96 struct elf_link_hash_entry *h;
3e932841 97
800eeca4
JW		 98 /* Used to count non-got, non-plt relocations for delayed sizing
99 of relocation sections. */
bbe66d08 100 struct elfNN_ia64_dyn_reloc_entry
800eeca4 101 {
bbe66d08 102 struct elfNN_ia64_dyn_reloc_entry *next;
800eeca4
JW		 103 asection *srel;
104 int type;
105 int count;
ac33696c
L		 106
107 /* Is this reloc against readonly section? */
108 bfd_boolean reltext;
800eeca4
JW		 109 } *reloc_entries;
110
b34976b6 111 /* TRUE when the section contents have been updated. */
800eeca4
JW		 112 unsigned got_done : 1;
113 unsigned fptr_done : 1;
114 unsigned pltoff_done : 1;
13ae64f3
JJ		 115 unsigned tprel_done : 1;
116 unsigned dtpmod_done : 1;
117 unsigned dtprel_done : 1;
800eeca4 118
b34976b6 119 /* TRUE for the different kinds of linker data we want created. */
800eeca4 120 unsigned want_got : 1;
2c4c2bc0 121 unsigned want_gotx : 1;
800eeca4
JW		 122 unsigned want_fptr : 1;
123 unsigned want_ltoff_fptr : 1;
124 unsigned want_plt : 1;
125 unsigned want_plt2 : 1;
126 unsigned want_pltoff : 1;
13ae64f3
JJ		 127 unsigned want_tprel : 1;
128 unsigned want_dtpmod : 1;
129 unsigned want_dtprel : 1;
800eeca4
JW		 130};
131
bbe66d08 132struct elfNN_ia64_local_hash_entry
800eeca4 133{
0aa92b58
JJ		 134 int id;
135 unsigned int r_sym;
bbe66d08 136 struct elfNN_ia64_dyn_sym_info *info;
f7460f5f 137
b34976b6 138 /* TRUE if this hash entry's addends was translated for
f7460f5f
JJ		 139 SHF_MERGE optimization. */
140 unsigned sec_merge_done : 1;
800eeca4
JW		 141};
142
bbe66d08 143struct elfNN_ia64_link_hash_entry
800eeca4
JW		 144{
145 struct elf_link_hash_entry root;
bbe66d08 146 struct elfNN_ia64_dyn_sym_info *info;
800eeca4
JW		 147};
148
bbe66d08 149struct elfNN_ia64_link_hash_table
800eeca4 150{
5e8d7549 151 /* The main hash table. */
800eeca4
JW		 152 struct elf_link_hash_table root;
153
154 asection *got_sec; /* the linkage table section (or NULL) */
155 asection *rel_got_sec; /* dynamic relocation section for same */
156 asection *fptr_sec; /* function descriptor table (or NULL) */
9203ba99 157 asection *rel_fptr_sec; /* dynamic relocation section for same */
800eeca4
JW		 158 asection *plt_sec; /* the primary plt section (or NULL) */
159 asection *pltoff_sec; /* private descriptors for plt (or NULL) */
160 asection *rel_pltoff_sec; /* dynamic relocation section for same */
161
162 bfd_size_type minplt_entries; /* number of minplt entries */
db6751f2 163 unsigned reltext : 1; /* are there relocs against readonly sections? */
b3dfd7fe
JJ		 164 unsigned self_dtpmod_done : 1;/* has self DTPMOD entry been finished? */
165 bfd_vma self_dtpmod_offset; /* .got offset to self DTPMOD entry */
800eeca4 166
0aa92b58
JJ		 167 htab_t loc_hash_table;
168 void *loc_hash_memory;
800eeca4
JW		 169};
170
2c4c2bc0
RH		 171struct elfNN_ia64_allocate_data
172{
173 struct bfd_link_info *info;
174 bfd_size_type ofs;
4a78a1f4 175 bfd_boolean only_got;
2c4c2bc0
RH		 176};
177
bbe66d08
JW		 178#define elfNN_ia64_hash_table(p) \
179 ((struct elfNN_ia64_link_hash_table *) ((p)->hash))
800eeca4 180
bbe66d08 181static bfd_reloc_status_type elfNN_ia64_reloc
800eeca4
JW		 182 PARAMS ((bfd *abfd, arelent *reloc, asymbol *sym, PTR data,
183 asection *input_section, bfd *output_bfd, char **error_message));
184static reloc_howto_type * lookup_howto
185 PARAMS ((unsigned int rtype));
bbe66d08 186static reloc_howto_type *elfNN_ia64_reloc_type_lookup
800eeca4 187 PARAMS ((bfd *abfd, bfd_reloc_code_real_type bfd_code));
bbe66d08 188static void elfNN_ia64_info_to_howto
947216bf 189 PARAMS ((bfd *abfd, arelent *bfd_reloc, Elf_Internal_Rela *elf_reloc));
b34976b6 190static bfd_boolean elfNN_ia64_relax_section
748abff6 191 PARAMS((bfd *abfd, asection *sec, struct bfd_link_info *link_info,
b34976b6 192 bfd_boolean *again));
2c4c2bc0 193static void elfNN_ia64_relax_ldxmov
bbb268c3 194 PARAMS((bfd_byte *contents, bfd_vma off));
b34976b6 195static bfd_boolean is_unwind_section_name
d9cf1b54 196 PARAMS ((bfd *abfd, const char *));
b34976b6 197static bfd_boolean elfNN_ia64_section_flags
1829f4b2 198 PARAMS ((flagword *, const Elf_Internal_Shdr *));
b34976b6 199static bfd_boolean elfNN_ia64_fake_sections
947216bf 200 PARAMS ((bfd *abfd, Elf_Internal_Shdr *hdr, asection *sec));
81545d45 201static void elfNN_ia64_final_write_processing
b34976b6
AM		 202 PARAMS ((bfd *abfd, bfd_boolean linker));
203static bfd_boolean elfNN_ia64_add_symbol_hook
555cd476 204 PARAMS ((bfd *abfd, struct bfd_link_info *info, Elf_Internal_Sym *sym,
800eeca4
JW		 205 const char **namep, flagword *flagsp, asection **secp,
206 bfd_vma *valp));
bbe66d08 207static int elfNN_ia64_additional_program_headers
800eeca4 208 PARAMS ((bfd *abfd));
b34976b6 209static bfd_boolean elfNN_ia64_modify_segment_map
c84fca4d 210 PARAMS ((bfd *, struct bfd_link_info *));
b34976b6 211static bfd_boolean elfNN_ia64_is_local_label_name
800eeca4 212 PARAMS ((bfd *abfd, const char *name));
b34976b6 213static bfd_boolean elfNN_ia64_dynamic_symbol_p
986a241f 214 PARAMS ((struct elf_link_hash_entry *h, struct bfd_link_info *info, int));
bbe66d08 215static struct bfd_hash_entry *elfNN_ia64_new_elf_hash_entry
800eeca4
JW		 216 PARAMS ((struct bfd_hash_entry *entry, struct bfd_hash_table *table,
217 const char *string));
cea4409c 218static void elfNN_ia64_hash_copy_indirect
9c5bfbb7 219 PARAMS ((const struct elf_backend_data *, struct elf_link_hash_entry *,
b48fa14c 220 struct elf_link_hash_entry *));
cea4409c 221static void elfNN_ia64_hash_hide_symbol
b34976b6 222 PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *, bfd_boolean));
0aa92b58
JJ		 223static hashval_t elfNN_ia64_local_htab_hash PARAMS ((const void *));
224static int elfNN_ia64_local_htab_eq PARAMS ((const void *ptr1,
225 const void *ptr2));
bbe66d08 226static struct bfd_link_hash_table *elfNN_ia64_hash_table_create
800eeca4 227 PARAMS ((bfd *abfd));
0aa92b58
JJ		 228static void elfNN_ia64_hash_table_free
229 PARAMS ((struct bfd_link_hash_table *hash));
b34976b6 230static bfd_boolean elfNN_ia64_global_dyn_sym_thunk
cea4409c 231 PARAMS ((struct bfd_hash_entry *, PTR));
0aa92b58
JJ		 232static int elfNN_ia64_local_dyn_sym_thunk
233 PARAMS ((void **, PTR));
bbe66d08
JW		 234static void elfNN_ia64_dyn_sym_traverse
235 PARAMS ((struct elfNN_ia64_link_hash_table *ia64_info,
b34976b6 236 bfd_boolean (*func) (struct elfNN_ia64_dyn_sym_info *, PTR),
800eeca4 237 PTR info));
b34976b6 238static bfd_boolean elfNN_ia64_create_dynamic_sections
800eeca4 239 PARAMS ((bfd *abfd, struct bfd_link_info *info));
f7460f5f
JJ		 240static struct elfNN_ia64_local_hash_entry * get_local_sym_hash
241 PARAMS ((struct elfNN_ia64_link_hash_table *ia64_info,
b34976b6 242 bfd *abfd, const Elf_Internal_Rela *rel, bfd_boolean create));
bbe66d08
JW		 243static struct elfNN_ia64_dyn_sym_info * get_dyn_sym_info
244 PARAMS ((struct elfNN_ia64_link_hash_table *ia64_info,
800eeca4 245 struct elf_link_hash_entry *h,
b34976b6 246 bfd *abfd, const Elf_Internal_Rela *rel, bfd_boolean create));
800eeca4
JW		 247static asection *get_got
248 PARAMS ((bfd *abfd, struct bfd_link_info *info,
bbe66d08 249 struct elfNN_ia64_link_hash_table *ia64_info));
800eeca4
JW		 250static asection *get_fptr
251 PARAMS ((bfd *abfd, struct bfd_link_info *info,
bbe66d08 252 struct elfNN_ia64_link_hash_table *ia64_info));
800eeca4
JW		 253static asection *get_pltoff
254 PARAMS ((bfd *abfd, struct bfd_link_info *info,
bbe66d08 255 struct elfNN_ia64_link_hash_table *ia64_info));
800eeca4 256static asection *get_reloc_section
bbe66d08 257 PARAMS ((bfd *abfd, struct elfNN_ia64_link_hash_table *ia64_info,
b34976b6 258 asection *sec, bfd_boolean create));
b34976b6 259static bfd_boolean elfNN_ia64_check_relocs
800eeca4
JW		 260 PARAMS ((bfd *abfd, struct bfd_link_info *info, asection *sec,
261 const Elf_Internal_Rela *relocs));
b34976b6 262static bfd_boolean elfNN_ia64_adjust_dynamic_symbol
800eeca4 263 PARAMS ((struct bfd_link_info *info, struct elf_link_hash_entry *h));
dc810e39 264static long global_sym_index
800eeca4 265 PARAMS ((struct elf_link_hash_entry *h));
b34976b6 266static bfd_boolean allocate_fptr
bbe66d08 267 PARAMS ((struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data));
b34976b6 268static bfd_boolean allocate_global_data_got
bbe66d08 269 PARAMS ((struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data));
b34976b6 270static bfd_boolean allocate_global_fptr_got
bbe66d08 271 PARAMS ((struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data));
b34976b6 272static bfd_boolean allocate_local_got
bbe66d08 273 PARAMS ((struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data));
b34976b6 274static bfd_boolean allocate_pltoff_entries
bbe66d08 275 PARAMS ((struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data));
b34976b6 276static bfd_boolean allocate_plt_entries
bbe66d08 277 PARAMS ((struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data));
b34976b6 278static bfd_boolean allocate_plt2_entries
bbe66d08 279 PARAMS ((struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data));
b34976b6 280static bfd_boolean allocate_dynrel_entries
bbe66d08 281 PARAMS ((struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data));
b34976b6 282static bfd_boolean elfNN_ia64_size_dynamic_sections
800eeca4 283 PARAMS ((bfd *output_bfd, struct bfd_link_info *info));
bbe66d08 284static bfd_reloc_status_type elfNN_ia64_install_value
bbb268c3 285 PARAMS ((bfd_byte *hit_addr, bfd_vma val, unsigned int r_type));
bbe66d08 286static void elfNN_ia64_install_dyn_reloc
800eeca4
JW		 287 PARAMS ((bfd *abfd, struct bfd_link_info *info, asection *sec,
288 asection *srel, bfd_vma offset, unsigned int type,
289 long dynindx, bfd_vma addend));
290static bfd_vma set_got_entry
291 PARAMS ((bfd *abfd, struct bfd_link_info *info,
bbe66d08 292 struct elfNN_ia64_dyn_sym_info *dyn_i, long dynindx,
800eeca4
JW		 293 bfd_vma addend, bfd_vma value, unsigned int dyn_r_type));
294static bfd_vma set_fptr_entry
295 PARAMS ((bfd *abfd, struct bfd_link_info *info,
bbe66d08 296 struct elfNN_ia64_dyn_sym_info *dyn_i,
800eeca4
JW		 297 bfd_vma value));
298static bfd_vma set_pltoff_entry
299 PARAMS ((bfd *abfd, struct bfd_link_info *info,
bbe66d08 300 struct elfNN_ia64_dyn_sym_info *dyn_i,
b34976b6 301 bfd_vma value, bfd_boolean));
13ae64f3
JJ		 302static bfd_vma elfNN_ia64_tprel_base
303 PARAMS ((struct bfd_link_info *info));
304static bfd_vma elfNN_ia64_dtprel_base
305 PARAMS ((struct bfd_link_info *info));
cea4409c
AM		 306static int elfNN_ia64_unwind_entry_compare
307 PARAMS ((const PTR, const PTR));
2c4c2bc0
RH		 308static bfd_boolean elfNN_ia64_choose_gp
309 PARAMS ((bfd *abfd, struct bfd_link_info *info));
b34976b6 310static bfd_boolean elfNN_ia64_final_link
800eeca4 311 PARAMS ((bfd *abfd, struct bfd_link_info *info));
b34976b6 312static bfd_boolean elfNN_ia64_relocate_section
800eeca4
JW		 313 PARAMS ((bfd *output_bfd, struct bfd_link_info *info, bfd *input_bfd,
314 asection *input_section, bfd_byte *contents,
315 Elf_Internal_Rela *relocs, Elf_Internal_Sym *local_syms,
316 asection **local_sections));
b34976b6 317static bfd_boolean elfNN_ia64_finish_dynamic_symbol
800eeca4
JW		 318 PARAMS ((bfd *output_bfd, struct bfd_link_info *info,
319 struct elf_link_hash_entry *h, Elf_Internal_Sym *sym));
b34976b6 320static bfd_boolean elfNN_ia64_finish_dynamic_sections
800eeca4 321 PARAMS ((bfd *abfd, struct bfd_link_info *info));
b34976b6 322static bfd_boolean elfNN_ia64_set_private_flags
800eeca4 323 PARAMS ((bfd *abfd, flagword flags));
b34976b6 324static bfd_boolean elfNN_ia64_merge_private_bfd_data
800eeca4 325 PARAMS ((bfd *ibfd, bfd *obfd));
b34976b6 326static bfd_boolean elfNN_ia64_print_private_bfd_data
800eeca4 327 PARAMS ((bfd *abfd, PTR ptr));
db6751f2 328static enum elf_reloc_type_class elfNN_ia64_reloc_type_class
f51e552e 329 PARAMS ((const Elf_Internal_Rela *));
b34976b6 330static bfd_boolean elfNN_ia64_hpux_vec
d9cf1b54 331 PARAMS ((const bfd_target *vec));
fcf12726
AM		 332static void elfNN_hpux_post_process_headers
333 PARAMS ((bfd *abfd, struct bfd_link_info *info));
b34976b6 334bfd_boolean elfNN_hpux_backend_section_from_bfd_section
af746e92 335 PARAMS ((bfd *abfd, asection *sec, int *retval));
800eeca4 336\f
5e8d7549 337/* ia64-specific relocation. */
800eeca4
JW		 338
339/* Perform a relocation. Not much to do here as all the hard work is
bbe66d08 340 done in elfNN_ia64_final_link_relocate. */
800eeca4 341static bfd_reloc_status_type
bbe66d08 342elfNN_ia64_reloc (abfd, reloc, sym, data, input_section,
800eeca4 343 output_bfd, error_message)
64bf6ae6 344 bfd *abfd ATTRIBUTE_UNUSED;
800eeca4 345 arelent *reloc;
64bf6ae6
JW		 346 asymbol *sym ATTRIBUTE_UNUSED;
347 PTR data ATTRIBUTE_UNUSED;
800eeca4
JW		 348 asection *input_section;
349 bfd *output_bfd;
350 char **error_message;
351{
352 if (output_bfd)
353 {
354 reloc->address += input_section->output_offset;
355 return bfd_reloc_ok;
356 }
6e84a906
DJ		 357
358 if (input_section->flags & SEC_DEBUGGING)
359 return bfd_reloc_continue;
360
bbe66d08 361 *error_message = "Unsupported call to elfNN_ia64_reloc";
800eeca4
JW		 362 return bfd_reloc_notsupported;
363}
364
365#define IA64_HOWTO(TYPE, NAME, SIZE, PCREL, IN) \
366 HOWTO (TYPE, 0, SIZE, 0, PCREL, 0, complain_overflow_signed, \
eff26f78 367 elfNN_ia64_reloc, NAME, FALSE, 0, -1, IN)
800eeca4
JW		 368
369/* This table has to be sorted according to increasing number of the
370 TYPE field. */
371static reloc_howto_type ia64_howto_table[] =
372 {
b34976b6
AM		 373 IA64_HOWTO (R_IA64_NONE, "NONE", 0, FALSE, TRUE),
374
375 IA64_HOWTO (R_IA64_IMM14, "IMM14", 0, FALSE, TRUE),
376 IA64_HOWTO (R_IA64_IMM22, "IMM22", 0, FALSE, TRUE),
377 IA64_HOWTO (R_IA64_IMM64, "IMM64", 0, FALSE, TRUE),
378 IA64_HOWTO (R_IA64_DIR32MSB, "DIR32MSB", 2, FALSE, TRUE),
379 IA64_HOWTO (R_IA64_DIR32LSB, "DIR32LSB", 2, FALSE, TRUE),
380 IA64_HOWTO (R_IA64_DIR64MSB, "DIR64MSB", 4, FALSE, TRUE),
381 IA64_HOWTO (R_IA64_DIR64LSB, "DIR64LSB", 4, FALSE, TRUE),
382
383 IA64_HOWTO (R_IA64_GPREL22, "GPREL22", 0, FALSE, TRUE),
384 IA64_HOWTO (R_IA64_GPREL64I, "GPREL64I", 0, FALSE, TRUE),
385 IA64_HOWTO (R_IA64_GPREL32MSB, "GPREL32MSB", 2, FALSE, TRUE),
386 IA64_HOWTO (R_IA64_GPREL32LSB, "GPREL32LSB", 2, FALSE, TRUE),
387 IA64_HOWTO (R_IA64_GPREL64MSB, "GPREL64MSB", 4, FALSE, TRUE),
388 IA64_HOWTO (R_IA64_GPREL64LSB, "GPREL64LSB", 4, FALSE, TRUE),
389
390 IA64_HOWTO (R_IA64_LTOFF22, "LTOFF22", 0, FALSE, TRUE),
391 IA64_HOWTO (R_IA64_LTOFF64I, "LTOFF64I", 0, FALSE, TRUE),
392
393 IA64_HOWTO (R_IA64_PLTOFF22, "PLTOFF22", 0, FALSE, TRUE),
394 IA64_HOWTO (R_IA64_PLTOFF64I, "PLTOFF64I", 0, FALSE, TRUE),
395 IA64_HOWTO (R_IA64_PLTOFF64MSB, "PLTOFF64MSB", 4, FALSE, TRUE),
396 IA64_HOWTO (R_IA64_PLTOFF64LSB, "PLTOFF64LSB", 4, FALSE, TRUE),
397
398 IA64_HOWTO (R_IA64_FPTR64I, "FPTR64I", 0, FALSE, TRUE),
399 IA64_HOWTO (R_IA64_FPTR32MSB, "FPTR32MSB", 2, FALSE, TRUE),
400 IA64_HOWTO (R_IA64_FPTR32LSB, "FPTR32LSB", 2, FALSE, TRUE),
401 IA64_HOWTO (R_IA64_FPTR64MSB, "FPTR64MSB", 4, FALSE, TRUE),
402 IA64_HOWTO (R_IA64_FPTR64LSB, "FPTR64LSB", 4, FALSE, TRUE),
403
404 IA64_HOWTO (R_IA64_PCREL60B, "PCREL60B", 0, TRUE, TRUE),
405 IA64_HOWTO (R_IA64_PCREL21B, "PCREL21B", 0, TRUE, TRUE),
406 IA64_HOWTO (R_IA64_PCREL21M, "PCREL21M", 0, TRUE, TRUE),
407 IA64_HOWTO (R_IA64_PCREL21F, "PCREL21F", 0, TRUE, TRUE),
408 IA64_HOWTO (R_IA64_PCREL32MSB, "PCREL32MSB", 2, TRUE, TRUE),
409 IA64_HOWTO (R_IA64_PCREL32LSB, "PCREL32LSB", 2, TRUE, TRUE),
410 IA64_HOWTO (R_IA64_PCREL64MSB, "PCREL64MSB", 4, TRUE, TRUE),
411 IA64_HOWTO (R_IA64_PCREL64LSB, "PCREL64LSB", 4, TRUE, TRUE),
412
413 IA64_HOWTO (R_IA64_LTOFF_FPTR22, "LTOFF_FPTR22", 0, FALSE, TRUE),
414 IA64_HOWTO (R_IA64_LTOFF_FPTR64I, "LTOFF_FPTR64I", 0, FALSE, TRUE),
415 IA64_HOWTO (R_IA64_LTOFF_FPTR32MSB, "LTOFF_FPTR32MSB", 2, FALSE, TRUE),
416 IA64_HOWTO (R_IA64_LTOFF_FPTR32LSB, "LTOFF_FPTR32LSB", 2, FALSE, TRUE),
417 IA64_HOWTO (R_IA64_LTOFF_FPTR64MSB, "LTOFF_FPTR64MSB", 4, FALSE, TRUE),
418 IA64_HOWTO (R_IA64_LTOFF_FPTR64LSB, "LTOFF_FPTR64LSB", 4, FALSE, TRUE),
419
420 IA64_HOWTO (R_IA64_SEGREL32MSB, "SEGREL32MSB", 2, FALSE, TRUE),
421 IA64_HOWTO (R_IA64_SEGREL32LSB, "SEGREL32LSB", 2, FALSE, TRUE),
422 IA64_HOWTO (R_IA64_SEGREL64MSB, "SEGREL64MSB", 4, FALSE, TRUE),
423 IA64_HOWTO (R_IA64_SEGREL64LSB, "SEGREL64LSB", 4, FALSE, TRUE),
424
425 IA64_HOWTO (R_IA64_SECREL32MSB, "SECREL32MSB", 2, FALSE, TRUE),
426 IA64_HOWTO (R_IA64_SECREL32LSB, "SECREL32LSB", 2, FALSE, TRUE),
427 IA64_HOWTO (R_IA64_SECREL64MSB, "SECREL64MSB", 4, FALSE, TRUE),
428 IA64_HOWTO (R_IA64_SECREL64LSB, "SECREL64LSB", 4, FALSE, TRUE),
429
430 IA64_HOWTO (R_IA64_REL32MSB, "REL32MSB", 2, FALSE, TRUE),
431 IA64_HOWTO (R_IA64_REL32LSB, "REL32LSB", 2, FALSE, TRUE),
432 IA64_HOWTO (R_IA64_REL64MSB, "REL64MSB", 4, FALSE, TRUE),
433 IA64_HOWTO (R_IA64_REL64LSB, "REL64LSB", 4, FALSE, TRUE),
434
435 IA64_HOWTO (R_IA64_LTV32MSB, "LTV32MSB", 2, FALSE, TRUE),
436 IA64_HOWTO (R_IA64_LTV32LSB, "LTV32LSB", 2, FALSE, TRUE),
437 IA64_HOWTO (R_IA64_LTV64MSB, "LTV64MSB", 4, FALSE, TRUE),
438 IA64_HOWTO (R_IA64_LTV64LSB, "LTV64LSB", 4, FALSE, TRUE),
439
440 IA64_HOWTO (R_IA64_PCREL21BI, "PCREL21BI", 0, TRUE, TRUE),
441 IA64_HOWTO (R_IA64_PCREL22, "PCREL22", 0, TRUE, TRUE),
442 IA64_HOWTO (R_IA64_PCREL64I, "PCREL64I", 0, TRUE, TRUE),
443
444 IA64_HOWTO (R_IA64_IPLTMSB, "IPLTMSB", 4, FALSE, TRUE),
445 IA64_HOWTO (R_IA64_IPLTLSB, "IPLTLSB", 4, FALSE, TRUE),
446 IA64_HOWTO (R_IA64_COPY, "COPY", 4, FALSE, TRUE),
447 IA64_HOWTO (R_IA64_LTOFF22X, "LTOFF22X", 0, FALSE, TRUE),
448 IA64_HOWTO (R_IA64_LDXMOV, "LDXMOV", 0, FALSE, TRUE),
449
450 IA64_HOWTO (R_IA64_TPREL14, "TPREL14", 0, FALSE, FALSE),
451 IA64_HOWTO (R_IA64_TPREL22, "TPREL22", 0, FALSE, FALSE),
452 IA64_HOWTO (R_IA64_TPREL64I, "TPREL64I", 0, FALSE, FALSE),
1fc0d173
JJ		 453 IA64_HOWTO (R_IA64_TPREL64MSB, "TPREL64MSB", 4, FALSE, FALSE),
454 IA64_HOWTO (R_IA64_TPREL64LSB, "TPREL64LSB", 4, FALSE, FALSE),
b34976b6
AM		 455 IA64_HOWTO (R_IA64_LTOFF_TPREL22, "LTOFF_TPREL22", 0, FALSE, FALSE),
456
0ca3e455
JB		 457 IA64_HOWTO (R_IA64_DTPMOD64MSB, "DTPMOD64MSB", 4, FALSE, FALSE),
458 IA64_HOWTO (R_IA64_DTPMOD64LSB, "DTPMOD64LSB", 4, FALSE, FALSE),
b34976b6
AM		 459 IA64_HOWTO (R_IA64_LTOFF_DTPMOD22, "LTOFF_DTPMOD22", 0, FALSE, FALSE),
460
461 IA64_HOWTO (R_IA64_DTPREL14, "DTPREL14", 0, FALSE, FALSE),
462 IA64_HOWTO (R_IA64_DTPREL22, "DTPREL22", 0, FALSE, FALSE),
463 IA64_HOWTO (R_IA64_DTPREL64I, "DTPREL64I", 0, FALSE, FALSE),
1fc0d173
JJ		 464 IA64_HOWTO (R_IA64_DTPREL32MSB, "DTPREL32MSB", 2, FALSE, FALSE),
465 IA64_HOWTO (R_IA64_DTPREL32LSB, "DTPREL32LSB", 2, FALSE, FALSE),
466 IA64_HOWTO (R_IA64_DTPREL64MSB, "DTPREL64MSB", 4, FALSE, FALSE),
467 IA64_HOWTO (R_IA64_DTPREL64LSB, "DTPREL64LSB", 4, FALSE, FALSE),
b34976b6 468 IA64_HOWTO (R_IA64_LTOFF_DTPREL22, "LTOFF_DTPREL22", 0, FALSE, FALSE),
800eeca4
JW		 469 };
470
471static unsigned char elf_code_to_howto_index[R_IA64_MAX_RELOC_CODE + 1];
472
473/* Given a BFD reloc type, return the matching HOWTO structure. */
474
5e8d7549 475static reloc_howto_type *
800eeca4
JW		 476lookup_howto (rtype)
477 unsigned int rtype;
478{
479 static int inited = 0;
480 int i;
481
482 if (!inited)
483 {
484 inited = 1;
485
486 memset (elf_code_to_howto_index, 0xff, sizeof (elf_code_to_howto_index));
487 for (i = 0; i < NELEMS (ia64_howto_table); ++i)
488 elf_code_to_howto_index[ia64_howto_table[i].type] = i;
489 }
490
d0fb9a8d
JJ		 491 if (rtype > R_IA64_MAX_RELOC_CODE)
492 return 0;
800eeca4
JW		 493 i = elf_code_to_howto_index[rtype];
494 if (i >= NELEMS (ia64_howto_table))
495 return 0;
496 return ia64_howto_table + i;
497}
498
499static reloc_howto_type*
bbe66d08 500elfNN_ia64_reloc_type_lookup (abfd, bfd_code)
64bf6ae6 501 bfd *abfd ATTRIBUTE_UNUSED;
800eeca4
JW		 502 bfd_reloc_code_real_type bfd_code;
503{
504 unsigned int rtype;
505
506 switch (bfd_code)
507 {
508 case BFD_RELOC_NONE: rtype = R_IA64_NONE; break;
509
510 case BFD_RELOC_IA64_IMM14: rtype = R_IA64_IMM14; break;
511 case BFD_RELOC_IA64_IMM22: rtype = R_IA64_IMM22; break;
512 case BFD_RELOC_IA64_IMM64: rtype = R_IA64_IMM64; break;
513
514 case BFD_RELOC_IA64_DIR32MSB: rtype = R_IA64_DIR32MSB; break;
515 case BFD_RELOC_IA64_DIR32LSB: rtype = R_IA64_DIR32LSB; break;
516 case BFD_RELOC_IA64_DIR64MSB: rtype = R_IA64_DIR64MSB; break;
517 case BFD_RELOC_IA64_DIR64LSB: rtype = R_IA64_DIR64LSB; break;
518
519 case BFD_RELOC_IA64_GPREL22: rtype = R_IA64_GPREL22; break;
520 case BFD_RELOC_IA64_GPREL64I: rtype = R_IA64_GPREL64I; break;
521 case BFD_RELOC_IA64_GPREL32MSB: rtype = R_IA64_GPREL32MSB; break;
522 case BFD_RELOC_IA64_GPREL32LSB: rtype = R_IA64_GPREL32LSB; break;
523 case BFD_RELOC_IA64_GPREL64MSB: rtype = R_IA64_GPREL64MSB; break;
524 case BFD_RELOC_IA64_GPREL64LSB: rtype = R_IA64_GPREL64LSB; break;
525
526 case BFD_RELOC_IA64_LTOFF22: rtype = R_IA64_LTOFF22; break;
527 case BFD_RELOC_IA64_LTOFF64I: rtype = R_IA64_LTOFF64I; break;
528
529 case BFD_RELOC_IA64_PLTOFF22: rtype = R_IA64_PLTOFF22; break;
530 case BFD_RELOC_IA64_PLTOFF64I: rtype = R_IA64_PLTOFF64I; break;
531 case BFD_RELOC_IA64_PLTOFF64MSB: rtype = R_IA64_PLTOFF64MSB; break;
532 case BFD_RELOC_IA64_PLTOFF64LSB: rtype = R_IA64_PLTOFF64LSB; break;
533 case BFD_RELOC_IA64_FPTR64I: rtype = R_IA64_FPTR64I; break;
534 case BFD_RELOC_IA64_FPTR32MSB: rtype = R_IA64_FPTR32MSB; break;
535 case BFD_RELOC_IA64_FPTR32LSB: rtype = R_IA64_FPTR32LSB; break;
536 case BFD_RELOC_IA64_FPTR64MSB: rtype = R_IA64_FPTR64MSB; break;
537 case BFD_RELOC_IA64_FPTR64LSB: rtype = R_IA64_FPTR64LSB; break;
538
539 case BFD_RELOC_IA64_PCREL21B: rtype = R_IA64_PCREL21B; break;
748abff6 540 case BFD_RELOC_IA64_PCREL21BI: rtype = R_IA64_PCREL21BI; break;
800eeca4
JW		 541 case BFD_RELOC_IA64_PCREL21M: rtype = R_IA64_PCREL21M; break;
542 case BFD_RELOC_IA64_PCREL21F: rtype = R_IA64_PCREL21F; break;
748abff6
RH		 543 case BFD_RELOC_IA64_PCREL22: rtype = R_IA64_PCREL22; break;
544 case BFD_RELOC_IA64_PCREL60B: rtype = R_IA64_PCREL60B; break;
545 case BFD_RELOC_IA64_PCREL64I: rtype = R_IA64_PCREL64I; break;
800eeca4
JW		 546 case BFD_RELOC_IA64_PCREL32MSB: rtype = R_IA64_PCREL32MSB; break;
547 case BFD_RELOC_IA64_PCREL32LSB: rtype = R_IA64_PCREL32LSB; break;
548 case BFD_RELOC_IA64_PCREL64MSB: rtype = R_IA64_PCREL64MSB; break;
549 case BFD_RELOC_IA64_PCREL64LSB: rtype = R_IA64_PCREL64LSB; break;
550
551 case BFD_RELOC_IA64_LTOFF_FPTR22: rtype = R_IA64_LTOFF_FPTR22; break;
552 case BFD_RELOC_IA64_LTOFF_FPTR64I: rtype = R_IA64_LTOFF_FPTR64I; break;
a4bd8390
JW		 553 case BFD_RELOC_IA64_LTOFF_FPTR32MSB: rtype = R_IA64_LTOFF_FPTR32MSB; break;
554 case BFD_RELOC_IA64_LTOFF_FPTR32LSB: rtype = R_IA64_LTOFF_FPTR32LSB; break;
800eeca4
JW		 555 case BFD_RELOC_IA64_LTOFF_FPTR64MSB: rtype = R_IA64_LTOFF_FPTR64MSB; break;
556 case BFD_RELOC_IA64_LTOFF_FPTR64LSB: rtype = R_IA64_LTOFF_FPTR64LSB; break;
557
800eeca4
JW		 558 case BFD_RELOC_IA64_SEGREL32MSB: rtype = R_IA64_SEGREL32MSB; break;
559 case BFD_RELOC_IA64_SEGREL32LSB: rtype = R_IA64_SEGREL32LSB; break;
560 case BFD_RELOC_IA64_SEGREL64MSB: rtype = R_IA64_SEGREL64MSB; break;
561 case BFD_RELOC_IA64_SEGREL64LSB: rtype = R_IA64_SEGREL64LSB; break;
562
563 case BFD_RELOC_IA64_SECREL32MSB: rtype = R_IA64_SECREL32MSB; break;
564 case BFD_RELOC_IA64_SECREL32LSB: rtype = R_IA64_SECREL32LSB; break;
565 case BFD_RELOC_IA64_SECREL64MSB: rtype = R_IA64_SECREL64MSB; break;
566 case BFD_RELOC_IA64_SECREL64LSB: rtype = R_IA64_SECREL64LSB; break;
567
568 case BFD_RELOC_IA64_REL32MSB: rtype = R_IA64_REL32MSB; break;
569 case BFD_RELOC_IA64_REL32LSB: rtype = R_IA64_REL32LSB; break;
570 case BFD_RELOC_IA64_REL64MSB: rtype = R_IA64_REL64MSB; break;
571 case BFD_RELOC_IA64_REL64LSB: rtype = R_IA64_REL64LSB; break;
572
573 case BFD_RELOC_IA64_LTV32MSB: rtype = R_IA64_LTV32MSB; break;
574 case BFD_RELOC_IA64_LTV32LSB: rtype = R_IA64_LTV32LSB; break;
575 case BFD_RELOC_IA64_LTV64MSB: rtype = R_IA64_LTV64MSB; break;
576 case BFD_RELOC_IA64_LTV64LSB: rtype = R_IA64_LTV64LSB; break;
577
578 case BFD_RELOC_IA64_IPLTMSB: rtype = R_IA64_IPLTMSB; break;
579 case BFD_RELOC_IA64_IPLTLSB: rtype = R_IA64_IPLTLSB; break;
800eeca4
JW		 580 case BFD_RELOC_IA64_COPY: rtype = R_IA64_COPY; break;
581 case BFD_RELOC_IA64_LTOFF22X: rtype = R_IA64_LTOFF22X; break;
582 case BFD_RELOC_IA64_LDXMOV: rtype = R_IA64_LDXMOV; break;
583
13ae64f3 584 case BFD_RELOC_IA64_TPREL14: rtype = R_IA64_TPREL14; break;
800eeca4 585 case BFD_RELOC_IA64_TPREL22: rtype = R_IA64_TPREL22; break;
13ae64f3 586 case BFD_RELOC_IA64_TPREL64I: rtype = R_IA64_TPREL64I; break;
800eeca4
JW		 587 case BFD_RELOC_IA64_TPREL64MSB: rtype = R_IA64_TPREL64MSB; break;
588 case BFD_RELOC_IA64_TPREL64LSB: rtype = R_IA64_TPREL64LSB; break;
13ae64f3
JJ		 589 case BFD_RELOC_IA64_LTOFF_TPREL22: rtype = R_IA64_LTOFF_TPREL22; break;
590
591 case BFD_RELOC_IA64_DTPMOD64MSB: rtype = R_IA64_DTPMOD64MSB; break;
592 case BFD_RELOC_IA64_DTPMOD64LSB: rtype = R_IA64_DTPMOD64LSB; break;
593 case BFD_RELOC_IA64_LTOFF_DTPMOD22: rtype = R_IA64_LTOFF_DTPMOD22; break;
594
595 case BFD_RELOC_IA64_DTPREL14: rtype = R_IA64_DTPREL14; break;
596 case BFD_RELOC_IA64_DTPREL22: rtype = R_IA64_DTPREL22; break;
597 case BFD_RELOC_IA64_DTPREL64I: rtype = R_IA64_DTPREL64I; break;
598 case BFD_RELOC_IA64_DTPREL32MSB: rtype = R_IA64_DTPREL32MSB; break;
599 case BFD_RELOC_IA64_DTPREL32LSB: rtype = R_IA64_DTPREL32LSB; break;
600 case BFD_RELOC_IA64_DTPREL64MSB: rtype = R_IA64_DTPREL64MSB; break;
601 case BFD_RELOC_IA64_DTPREL64LSB: rtype = R_IA64_DTPREL64LSB; break;
602 case BFD_RELOC_IA64_LTOFF_DTPREL22: rtype = R_IA64_LTOFF_DTPREL22; break;
800eeca4
JW		 603
604 default: return 0;
605 }
606 return lookup_howto (rtype);
607}
608
609/* Given a ELF reloc, return the matching HOWTO structure. */
610
611static void
bbe66d08 612elfNN_ia64_info_to_howto (abfd, bfd_reloc, elf_reloc)
64bf6ae6 613 bfd *abfd ATTRIBUTE_UNUSED;
800eeca4 614 arelent *bfd_reloc;
947216bf 615 Elf_Internal_Rela *elf_reloc;
800eeca4 616{
dc810e39
AM		 617 bfd_reloc->howto
618 = lookup_howto ((unsigned int) ELFNN_R_TYPE (elf_reloc->r_info));
800eeca4
JW		 619}
620\f
621#define PLT_HEADER_SIZE (3 * 16)
622#define PLT_MIN_ENTRY_SIZE (1 * 16)
623#define PLT_FULL_ENTRY_SIZE (2 * 16)
624#define PLT_RESERVED_WORDS 3
625
626static const bfd_byte plt_header[PLT_HEADER_SIZE] =
627{
628 0x0b, 0x10, 0x00, 0x1c, 0x00, 0x21, /* [MMI] mov r2=r14;; */
629 0xe0, 0x00, 0x08, 0x00, 0x48, 0x00, /* addl r14=0,r2 */
630 0x00, 0x00, 0x04, 0x00, /* nop.i 0x0;; */
631 0x0b, 0x80, 0x20, 0x1c, 0x18, 0x14, /* [MMI] ld8 r16=[r14],8;; */
632 0x10, 0x41, 0x38, 0x30, 0x28, 0x00, /* ld8 r17=[r14],8 */
633 0x00, 0x00, 0x04, 0x00, /* nop.i 0x0;; */
634 0x11, 0x08, 0x00, 0x1c, 0x18, 0x10, /* [MIB] ld8 r1=[r14] */
635 0x60, 0x88, 0x04, 0x80, 0x03, 0x00, /* mov b6=r17 */
636 0x60, 0x00, 0x80, 0x00 /* br.few b6;; */
637};
638
639static const bfd_byte plt_min_entry[PLT_MIN_ENTRY_SIZE] =
640{
641 0x11, 0x78, 0x00, 0x00, 0x00, 0x24, /* [MIB] mov r15=0 */
642 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, /* nop.i 0x0 */
643 0x00, 0x00, 0x00, 0x40 /* br.few 0 <PLT0>;; */
644};
645
646static const bfd_byte plt_full_entry[PLT_FULL_ENTRY_SIZE] =
647{
648 0x0b, 0x78, 0x00, 0x02, 0x00, 0x24, /* [MMI] addl r15=0,r1;; */
8b6f2683 649 0x00, 0x41, 0x3c, 0x70, 0x29, 0xc0, /* ld8.acq r16=[r15],8*/
800eeca4
JW		 650 0x01, 0x08, 0x00, 0x84, /* mov r14=r1;; */
651 0x11, 0x08, 0x00, 0x1e, 0x18, 0x10, /* [MIB] ld8 r1=[r15] */
652 0x60, 0x80, 0x04, 0x80, 0x03, 0x00, /* mov b6=r16 */
653 0x60, 0x00, 0x80, 0x00 /* br.few b6;; */
654};
655
656#define ELF_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
748abff6 657
748abff6
RH		 658static const bfd_byte oor_brl[16] =
659{
660 0x05, 0x00, 0x00, 0x00, 0x01, 0x00, /* [MLX] nop.m 0 */
661 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* brl.sptk.few tgt;; */
662 0x00, 0x00, 0x00, 0xc0
663};
3f7deb8a
L		 664
665static const bfd_byte oor_ip[48] =
666{
667 0x04, 0x00, 0x00, 0x00, 0x01, 0x00, /* [MLX] nop.m 0 */
668 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, /* movl r15=0 */
669 0x01, 0x00, 0x00, 0x60,
670 0x03, 0x00, 0x00, 0x00, 0x01, 0x00, /* [MII] nop.m 0 */
671 0x00, 0x01, 0x00, 0x60, 0x00, 0x00, /* mov r16=ip;; */
672 0xf2, 0x80, 0x00, 0x80, /* add r16=r15,r16;; */
673 0x11, 0x00, 0x00, 0x00, 0x01, 0x00, /* [MIB] nop.m 0 */
674 0x60, 0x80, 0x04, 0x80, 0x03, 0x00, /* mov b6=r16 */
675 0x60, 0x00, 0x80, 0x00 /* br b6;; */
676};
677
678static size_t oor_branch_size = sizeof (oor_brl);
679
680void
681bfd_elfNN_ia64_after_parse (int itanium)
682{
683 oor_branch_size = itanium ? sizeof (oor_ip) : sizeof (oor_brl);
684}
685
83b6bd86
L		 686#define BTYPE_SHIFT 6
687#define Y_SHIFT 26
688#define X6_SHIFT 27
689#define X4_SHIFT 27
690#define X3_SHIFT 33
691#define X2_SHIFT 31
692#define X_SHIFT 33
693#define OPCODE_SHIFT 37
694
695#define OPCODE_BITS (0xfLL << OPCODE_SHIFT)
696#define X6_BITS (0x3fLL << X6_SHIFT)
697#define X4_BITS (0xfLL << X4_SHIFT)
698#define X3_BITS (0x7LL << X3_SHIFT)
699#define X2_BITS (0x3LL << X2_SHIFT)
700#define X_BITS (0x1LL << X_SHIFT)
701#define Y_BITS (0x1LL << Y_SHIFT)
702#define BTYPE_BITS (0x7LL << BTYPE_SHIFT)
703#define PREDICATE_BITS (0x3fLL)
704
705#define IS_NOP_B(i) \
706 (((i) & (OPCODE_BITS | X6_BITS)) == (2LL << OPCODE_SHIFT))
707#define IS_NOP_F(i) \
708 (((i) & (OPCODE_BITS | X_BITS | X6_BITS | Y_BITS)) \
709 == (0x1LL << X6_SHIFT))
710#define IS_NOP_I(i) \
711 (((i) & (OPCODE_BITS | X3_BITS | X6_BITS | Y_BITS)) \
712 == (0x1LL << X6_SHIFT))
713#define IS_NOP_M(i) \
714 (((i) & (OPCODE_BITS | X3_BITS | X2_BITS | X4_BITS | Y_BITS)) \
715 == (0x1LL << X4_SHIFT))
716#define IS_BR_COND(i) \
717 (((i) & (OPCODE_BITS | BTYPE_BITS)) == (0x4LL << OPCODE_SHIFT))
718#define IS_BR_CALL(i) \
719 (((i) & OPCODE_BITS) == (0x5LL << OPCODE_SHIFT))
720
721static bfd_boolean
722elfNN_ia64_relax_br (bfd_byte *contents, bfd_vma off)
723{
724 unsigned int template, mlx;
725 bfd_vma t0, t1, s0, s1, s2, br_code;
726 long br_slot;
727 bfd_byte *hit_addr;
728
729 hit_addr = (bfd_byte *) (contents + off);
730 br_slot = (long) hit_addr & 0x3;
731 hit_addr -= br_slot;
732 t0 = bfd_getl64 (hit_addr + 0);
733 t1 = bfd_getl64 (hit_addr + 8);
734
735 /* Check if we can turn br into brl. A label is always at the start
736 of the bundle. Even if there are predicates on NOPs, we still
737 perform this optimization. */
738 template = t0 & 0x1e;
739 s0 = (t0 >> 5) & 0x1ffffffffffLL;
740 s1 = ((t0 >> 46) | (t1 << 18)) & 0x1ffffffffffLL;
741 s2 = (t1 >> 23) & 0x1ffffffffffLL;
742 switch (br_slot)
743 {
744 case 0:
745 /* Check if slot 1 and slot 2 are NOPs. Possible template is
746 BBB. We only need to check nop.b. */
747 if (!(IS_NOP_B (s1) && IS_NOP_B (s2)))
748 return FALSE;
749 br_code = s0;
750 break;
751 case 1:
752 /* Check if slot 2 is NOP. Possible templates are MBB and BBB.
753 For BBB, slot 0 also has to be nop.b. */
754 if (!((template == 0x12 /* MBB */
755 && IS_NOP_B (s2))
756 || (template == 0x16 /* BBB */
757 && IS_NOP_B (s0)
758 && IS_NOP_B (s2))))
759 return FALSE;
760 br_code = s1;
761 break;
762 case 2:
763 /* Check if slot 1 is NOP. Possible templates are MIB, MBB, BBB,
764 MMB and MFB. For BBB, slot 0 also has to be nop.b. */
765 if (!((template == 0x10 /* MIB */
766 && IS_NOP_I (s1))
767 || (template == 0x12 /* MBB */
768 && IS_NOP_B (s1))
769 || (template == 0x16 /* BBB */
770 && IS_NOP_B (s0)
771 && IS_NOP_B (s1))
772 || (template == 0x18 /* MMB */
773 && IS_NOP_M (s1))
774 || (template == 0x1c /* MFB */
775 && IS_NOP_F (s1))))
776 return FALSE;
777 br_code = s2;
778 break;
779 default:
780 /* It should never happen. */
781 abort ();
782 }
783
784 /* We can turn br.cond/br.call into brl.cond/brl.call. */
785 if (!(IS_BR_COND (br_code) || IS_BR_CALL (br_code)))
786 return FALSE;
787
788 /* Turn br into brl by setting bit 40. */
789 br_code |= 0x1LL << 40;
790
791 /* Turn the old bundle into a MLX bundle with the same stop-bit
792 variety. */
793 if (t0 & 0x1)
794 mlx = 0x5;
795 else
796 mlx = 0x4;
797
798 if (template == 0x16)
799 {
5e27d427
L		 800 /* For BBB, we need to put nop.m in slot 0. We keep the original
801 predicate only if slot 0 isn't br. */
802 if (br_slot == 0)
803 t0 = 0LL;
804 else
805 t0 &= PREDICATE_BITS << 5;
83b6bd86
L		 806 t0 |= 0x1LL << (X4_SHIFT + 5);
807 }
808 else
809 {
810 /* Keep the original instruction in slot 0. */
811 t0 &= 0x1ffffffffffLL << 5;
812 }
813
814 t0 |= mlx;
815
816 /* Put brl in slot 1. */
817 t1 = br_code << 23;
818
819 bfd_putl64 (t0, hit_addr);
820 bfd_putl64 (t1, hit_addr + 8);
821 return TRUE;
822}
823
03609792 824static void
bbb268c3 825elfNN_ia64_relax_brl (bfd_byte *contents, bfd_vma off)
03609792 826{
fc3ab699 827 int template;
03609792 828 bfd_byte *hit_addr;
fc3ab699 829 bfd_vma t0, t1, i0, i1, i2;
03609792
L		 830
831 hit_addr = (bfd_byte *) (contents + off);
832 hit_addr -= (long) hit_addr & 0x3;
fc3ab699
L		 833 t0 = bfd_getl64 (hit_addr);
834 t1 = bfd_getl64 (hit_addr + 8);
03609792 835
7e3102a7 836 /* Keep the instruction in slot 0. */
fc3ab699
L		 837 i0 = (t0 >> 5) & 0x1ffffffffffLL;
838 /* Use nop.b for slot 1. */
839 i1 = 0x4000000000LL;
7e3102a7 840 /* For slot 2, turn brl into br by masking out bit 40. */
fc3ab699 841 i2 = (t1 >> 23) & 0x0ffffffffffLL;
7e3102a7 842
fc3ab699
L		 843 /* Turn a MLX bundle into a MBB bundle with the same stop-bit
844 variety. */
845 if (t0 & 0x1)
846 template = 0x13;
847 else
848 template = 0x12;
849 t0 = (i1 << 46) | (i0 << 5) | template;
850 t1 = (i2 << 23) | (i1 >> 18);
7e3102a7 851
fc3ab699
L		 852 bfd_putl64 (t0, hit_addr);
853 bfd_putl64 (t1, hit_addr + 8);
03609792 854}
748abff6 855\f
2c4c2bc0 856/* These functions do relaxation for IA-64 ELF. */
748abff6 857
b34976b6 858static bfd_boolean
bbe66d08 859elfNN_ia64_relax_section (abfd, sec, link_info, again)
748abff6
RH		 860 bfd *abfd;
861 asection *sec;
862 struct bfd_link_info *link_info;
b34976b6 863 bfd_boolean *again;
748abff6
RH		 864{
865 struct one_fixup
866 {
867 struct one_fixup *next;
868 asection *tsec;
869 bfd_vma toff;
870 bfd_vma trampoff;
871 };
872
873 Elf_Internal_Shdr *symtab_hdr;
874 Elf_Internal_Rela *internal_relocs;
748abff6
RH		 875 Elf_Internal_Rela *irel, *irelend;
876 bfd_byte *contents;
6cdc0ccc 877 Elf_Internal_Sym *isymbuf = NULL;
bbe66d08 878 struct elfNN_ia64_link_hash_table *ia64_info;
748abff6 879 struct one_fixup *fixups = NULL;
b34976b6
AM		 880 bfd_boolean changed_contents = FALSE;
881 bfd_boolean changed_relocs = FALSE;
2c4c2bc0
RH		 882 bfd_boolean changed_got = FALSE;
883 bfd_vma gp = 0;
748abff6 884
46f5aac8
KH		 885 /* Assume we're not going to change any sizes, and we'll only need
886 one pass. */
b34976b6 887 *again = FALSE;
748abff6 888
04b3329b 889 /* Don't even try to relax for non-ELF outputs. */
0eddce27 890 if (!is_elf_hash_table (link_info->hash))
04b3329b
L		 891 return FALSE;
892
c7996ad6
L		 893 /* Nothing to do if there are no relocations or there is no need for
894 the relax finalize pass. */
748abff6 895 if ((sec->flags & SEC_RELOC) == 0
c7996ad6 896 || sec->reloc_count == 0
d9c458fc 897 || (!link_info->need_relax_finalize
c7996ad6 898 && sec->need_finalize_relax == 0))
b34976b6 899 return TRUE;
748abff6 900
748abff6
RH		 901 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
902
903 /* Load the relocations for this section. */
45d6a902 904 internal_relocs = (_bfd_elf_link_read_relocs
748abff6
RH		 905 (abfd, sec, (PTR) NULL, (Elf_Internal_Rela *) NULL,
906 link_info->keep_memory));
907 if (internal_relocs == NULL)
b34976b6 908 return FALSE;
748abff6 909
bbe66d08 910 ia64_info = elfNN_ia64_hash_table (link_info);
748abff6
RH		 911 irelend = internal_relocs + sec->reloc_count;
912
748abff6 913 /* Get the section contents. */
748abff6
RH		 914 if (elf_section_data (sec)->this_hdr.contents != NULL)
915 contents = elf_section_data (sec)->this_hdr.contents;
916 else
917 {
eea6121a 918 if (!bfd_malloc_and_get_section (abfd, sec, &contents))
748abff6
RH		 919 goto error_return;
920 }
921
2c4c2bc0 922 for (irel = internal_relocs; irel < irelend; irel++)
748abff6 923 {
2f9bd3f6 924 unsigned long r_type = ELFNN_R_TYPE (irel->r_info);
748abff6 925 bfd_vma symaddr, reladdr, trampoff, toff, roff;
748abff6
RH		 926 asection *tsec;
927 struct one_fixup *f;
dc810e39 928 bfd_size_type amt;
2c4c2bc0
RH		 929 bfd_boolean is_branch;
930 struct elfNN_ia64_dyn_sym_info *dyn_i;
bf8b15af 931 char symtype;
748abff6 932
2c4c2bc0
RH		 933 switch (r_type)
934 {
935 case R_IA64_PCREL21B:
936 case R_IA64_PCREL21BI:
937 case R_IA64_PCREL21M:
938 case R_IA64_PCREL21F:
03609792
L		 939 /* In the finalize pass, all br relaxations are done. We can
940 skip it. */
d9c458fc 941 if (!link_info->need_relax_finalize)
c7996ad6 942 continue;
2c4c2bc0
RH		 943 is_branch = TRUE;
944 break;
945
03609792
L		 946 case R_IA64_PCREL60B:
947 /* We can't optimize brl to br before the finalize pass since
948 br relaxations will increase the code size. Defer it to
949 the finalize pass. */
950 if (link_info->need_relax_finalize)
951 {
952 sec->need_finalize_relax = 1;
953 continue;
954 }
955 is_branch = TRUE;
956 break;
957
2c4c2bc0
RH		 958 case R_IA64_LTOFF22X:
959 case R_IA64_LDXMOV:
03609792
L		 960 /* We can't relax ldx/mov before the finalize pass since
961 br relaxations will increase the code size. Defer it to
962 the finalize pass. */
d9c458fc 963 if (link_info->need_relax_finalize)
c7996ad6
L		 964 {
965 sec->need_finalize_relax = 1;
966 continue;
967 }
2c4c2bc0
RH		 968 is_branch = FALSE;
969 break;
970
971 default:
972 continue;
973 }
748abff6
RH		 974
975 /* Get the value of the symbol referred to by the reloc. */
bbe66d08 976 if (ELFNN_R_SYM (irel->r_info) < symtab_hdr->sh_info)
748abff6
RH		 977 {
978 /* A local symbol. */
6cdc0ccc
AM		 979 Elf_Internal_Sym *isym;
980
981 /* Read this BFD's local symbols. */
982 if (isymbuf == NULL)
983 {
984 isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
985 if (isymbuf == NULL)
986 isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
987 symtab_hdr->sh_info, 0,
988 NULL, NULL, NULL);
989 if (isymbuf == 0)
990 goto error_return;
991 }
992
60d8b524 993 isym = isymbuf + ELFNN_R_SYM (irel->r_info);
6cdc0ccc 994 if (isym->st_shndx == SHN_UNDEF)
4cc11e76 995 continue; /* We can't do anything with undefined symbols. */
6cdc0ccc 996 else if (isym->st_shndx == SHN_ABS)
748abff6 997 tsec = bfd_abs_section_ptr;
6cdc0ccc 998 else if (isym->st_shndx == SHN_COMMON)
748abff6 999 tsec = bfd_com_section_ptr;
6cdc0ccc 1000 else if (isym->st_shndx == SHN_IA_64_ANSI_COMMON)
d9cf1b54 1001 tsec = bfd_com_section_ptr;
3e932841 1002 else
6cdc0ccc 1003 tsec = bfd_section_from_elf_index (abfd, isym->st_shndx);
748abff6 1004
6cdc0ccc 1005 toff = isym->st_value;
2c4c2bc0 1006 dyn_i = get_dyn_sym_info (ia64_info, NULL, abfd, irel, FALSE);
bf8b15af 1007 symtype = ELF_ST_TYPE (isym->st_info);
748abff6
RH		 1008 }
1009 else
1010 {
1011 unsigned long indx;
1012 struct elf_link_hash_entry *h;
748abff6 1013
bbe66d08 1014 indx = ELFNN_R_SYM (irel->r_info) - symtab_hdr->sh_info;
748abff6
RH		 1015 h = elf_sym_hashes (abfd)[indx];
1016 BFD_ASSERT (h != NULL);
1017
1018 while (h->root.type == bfd_link_hash_indirect
1019 || h->root.type == bfd_link_hash_warning)
1020 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1021
b34976b6 1022 dyn_i = get_dyn_sym_info (ia64_info, h, abfd, irel, FALSE);
748abff6
RH		 1023
1024 /* For branches to dynamic symbols, we're interested instead
1025 in a branch to the PLT entry. */
2c4c2bc0 1026 if (is_branch && dyn_i && dyn_i->want_plt2)
748abff6 1027 {
2f9bd3f6
RH		 1028 /* Internal branches shouldn't be sent to the PLT.
1029 Leave this for now and we'll give an error later. */
1030 if (r_type != R_IA64_PCREL21B)
1031 continue;
1032
748abff6
RH		 1033 tsec = ia64_info->plt_sec;
1034 toff = dyn_i->plt2_offset;
3fa1d917 1035 BFD_ASSERT (irel->r_addend == 0);
748abff6 1036 }
2c4c2bc0
RH		 1037
1038 /* Can't do anything else with dynamic symbols. */
986a241f 1039 else if (elfNN_ia64_dynamic_symbol_p (h, link_info, r_type))
2c4c2bc0
RH		 1040 continue;
1041
748abff6
RH		 1042 else
1043 {
4cc11e76 1044 /* We can't do anything with undefined symbols. */
748abff6
RH		 1045 if (h->root.type == bfd_link_hash_undefined
1046 || h->root.type == bfd_link_hash_undefweak)
1047 continue;
1048
1049 tsec = h->root.u.def.section;
1050 toff = h->root.u.def.value;
1051 }
bf8b15af
L		 1052
1053 symtype = h->type;
5dd23ec1 1054 }
3fa1d917 1055
9f2e92c5 1056 if (tsec->sec_info_type == ELF_INFO_TYPE_MERGE)
bf8b15af
L		 1057 {
1058 /* At this stage in linking, no SEC_MERGE symbol has been
1059 adjusted, so all references to such symbols need to be
1060 passed through _bfd_merged_section_offset. (Later, in
1061 relocate_section, all SEC_MERGE symbols *except* for
1062 section symbols have been adjusted.)
1063
1064 gas may reduce relocations against symbols in SEC_MERGE
1065 sections to a relocation against the section symbol when
1066 the original addend was zero. When the reloc is against
1067 a section symbol we should include the addend in the
1068 offset passed to _bfd_merged_section_offset, since the
1069 location of interest is the original symbol. On the
1070 other hand, an access to "sym+addend" where "sym" is not
1071 a section symbol should not include the addend; Such an
1072 access is presumed to be an offset from "sym"; The
1073 location of interest is just "sym". */
1074 if (symtype == STT_SECTION)
1075 toff += irel->r_addend;
f12123c0 1076
bf8b15af
L		 1077 toff = _bfd_merged_section_offset (abfd, &tsec,
1078 elf_section_data (tsec)->sec_info,
1079 toff);
1080
1081 if (symtype != STT_SECTION)
1082 toff += irel->r_addend;
1083 }
9f2e92c5
L		 1084 else
1085 toff += irel->r_addend;
1086
3fa1d917 1087 symaddr = tsec->output_section->vma + tsec->output_offset + toff;
748abff6
RH		 1088
1089 roff = irel->r_offset;
748abff6 1090
2c4c2bc0
RH		 1091 if (is_branch)
1092 {
de0d9f33
L		 1093 bfd_signed_vma offset;
1094
2c4c2bc0
RH		 1095 reladdr = (sec->output_section->vma
1096 + sec->output_offset
1097 + roff) & (bfd_vma) -4;
748abff6 1098
2c4c2bc0
RH		 1099 /* If the branch is in range, no need to do anything. */
1100 if ((bfd_signed_vma) (symaddr - reladdr) >= -0x1000000
1101 && (bfd_signed_vma) (symaddr - reladdr) <= 0x0FFFFF0)
03609792
L		 1102 {
1103 /* If the 60-bit branch is in 21-bit range, optimize it. */
1104 if (r_type == R_IA64_PCREL60B)
1105 {
bbb268c3 1106 elfNN_ia64_relax_brl (contents, roff);
03609792
L		 1107
1108 irel->r_info
7e3102a7 1109 = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info),
03609792
L		 1110 R_IA64_PCREL21B);
1111
1112 /* If the original relocation offset points to slot
1113 1, change it to slot 2. */
1114 if ((irel->r_offset & 3) == 1)
1115 irel->r_offset += 1;
1116 }
1117
1118 continue;
1119 }
1120 else if (r_type == R_IA64_PCREL60B)
2c4c2bc0 1121 continue;
83b6bd86
L		 1122 else if (elfNN_ia64_relax_br (contents, roff))
1123 {
1124 irel->r_info
1125 = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info),
1126 R_IA64_PCREL60B);
1127
1128 /* Make the relocation offset point to slot 1. */
1129 irel->r_offset = (irel->r_offset & ~((bfd_vma) 0x3)) + 1;
1130 continue;
1131 }
748abff6 1132
e525914f
L		 1133 /* We can't put a trampoline in a .init/.fini section. Issue
1134 an error. */
1135 if (strcmp (sec->output_section->name, ".init") == 0
1136 || strcmp (sec->output_section->name, ".fini") == 0)
1137 {
1138 (*_bfd_error_handler)
d003868e
AM		 1139 (_("%B: Can't relax br at 0x%lx in section `%A'. Please use brl or indirect branch."),
1140 sec->owner, sec, (unsigned long) roff);
e525914f
L		 1141 bfd_set_error (bfd_error_bad_value);
1142 goto error_return;
1143 }
1144
2c4c2bc0 1145 /* If the branch and target are in the same section, you've
c5509b92
L		 1146 got one honking big section and we can't help you unless
1147 you are branching backwards. You'll get an error message
1148 later. */
1149 if (tsec == sec && toff > roff)
2c4c2bc0 1150 continue;
748abff6 1151
2c4c2bc0
RH		 1152 /* Look for an existing fixup to this address. */
1153 for (f = fixups; f ; f = f->next)
1154 if (f->tsec == tsec && f->toff == toff)
1155 break;
748abff6 1156
2c4c2bc0 1157 if (f == NULL)
748abff6 1158 {
2c4c2bc0
RH		 1159 /* Two alternatives: If it's a branch to a PLT entry, we can
1160 make a copy of the FULL_PLT entry. Otherwise, we'll have
1161 to use a `brl' insn to get where we're going. */
1162
1163 size_t size;
1164
1165 if (tsec == ia64_info->plt_sec)
1166 size = sizeof (plt_full_entry);
1167 else
3f7deb8a 1168 size = oor_branch_size;
748abff6 1169
2c4c2bc0 1170 /* Resize the current section to make room for the new branch. */
eea6121a 1171 trampoff = (sec->size + 15) & (bfd_vma) -16;
de0d9f33
L		 1172
1173 /* If trampoline is out of range, there is nothing we
1174 can do. */
1175 offset = trampoff - (roff & (bfd_vma) -4);
1176 if (offset < -0x1000000 || offset > 0x0FFFFF0)
1177 continue;
1178
2c4c2bc0
RH		 1179 amt = trampoff + size;
1180 contents = (bfd_byte *) bfd_realloc (contents, amt);
1181 if (contents == NULL)
1182 goto error_return;
eea6121a 1183 sec->size = amt;
748abff6 1184
2c4c2bc0
RH		 1185 if (tsec == ia64_info->plt_sec)
1186 {
1187 memcpy (contents + trampoff, plt_full_entry, size);
748abff6 1188
2c4c2bc0
RH		 1189 /* Hijack the old relocation for use as the PLTOFF reloc. */
1190 irel->r_info = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info),
1191 R_IA64_PLTOFF22);
1192 irel->r_offset = trampoff;
1193 }
1194 else
1195 {
3f7deb8a
L		 1196 if (size == sizeof (oor_ip))
1197 {
1198 memcpy (contents + trampoff, oor_ip, size);
1199 irel->r_info = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info),
1200 R_IA64_PCREL64I);
1201 irel->r_addend -= 16;
1202 irel->r_offset = trampoff + 2;
1203 }
1204 else
1205 {
1206 memcpy (contents + trampoff, oor_brl, size);
1207 irel->r_info = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info),
1208 R_IA64_PCREL60B);
1209 irel->r_offset = trampoff + 2;
1210 }
1211
2c4c2bc0
RH		 1212 }
1213
1214 /* Record the fixup so we don't do it again this section. */
1215 f = (struct one_fixup *)
1216 bfd_malloc ((bfd_size_type) sizeof (*f));
1217 f->next = fixups;
1218 f->tsec = tsec;
1219 f->toff = toff;
1220 f->trampoff = trampoff;
1221 fixups = f;
748abff6 1222 }
2c4c2bc0
RH		 1223 else
1224 {
de0d9f33
L		 1225 /* If trampoline is out of range, there is nothing we
1226 can do. */
1227 offset = f->trampoff - (roff & (bfd_vma) -4);
1228 if (offset < -0x1000000 || offset > 0x0FFFFF0)
1229 continue;
1230
2c4c2bc0
RH		 1231 /* Nop out the reloc, since we're finalizing things here. */
1232 irel->r_info = ELFNN_R_INFO (0, R_IA64_NONE);
1233 }
1234
de0d9f33 1235 /* Fix up the existing branch to hit the trampoline. */
bbb268c3
JW		 1236 if (elfNN_ia64_install_value (contents + roff, offset, r_type)
1237 != bfd_reloc_ok)
2c4c2bc0 1238 goto error_return;
748abff6 1239
2c4c2bc0
RH		 1240 changed_contents = TRUE;
1241 changed_relocs = TRUE;
748abff6
RH		 1242 }
1243 else
1244 {
2c4c2bc0
RH		 1245 /* Fetch the gp. */
1246 if (gp == 0)
1247 {
1248 bfd *obfd = sec->output_section->owner;
1249 gp = _bfd_get_gp_value (obfd);
1250 if (gp == 0)
1251 {
1252 if (!elfNN_ia64_choose_gp (obfd, link_info))
1253 goto error_return;
1254 gp = _bfd_get_gp_value (obfd);
1255 }
1256 }
748abff6 1257
2c4c2bc0 1258 /* If the data is out of range, do nothing. */
484a4f9c
RH		 1259 if ((bfd_signed_vma) (symaddr - gp) >= 0x200000
1260 ||(bfd_signed_vma) (symaddr - gp) < -0x200000)
2c4c2bc0 1261 continue;
748abff6 1262
2c4c2bc0
RH		 1263 if (r_type == R_IA64_LTOFF22X)
1264 {
1265 irel->r_info = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info),
1266 R_IA64_GPREL22);
1267 changed_relocs = TRUE;
1268 if (dyn_i->want_gotx)
1269 {
1270 dyn_i->want_gotx = 0;
1271 changed_got |= !dyn_i->want_got;
1272 }
1273 }
1274 else
1275 {
bbb268c3 1276 elfNN_ia64_relax_ldxmov (contents, roff);
2c4c2bc0
RH		 1277 irel->r_info = ELFNN_R_INFO (0, R_IA64_NONE);
1278 changed_contents = TRUE;
1279 changed_relocs = TRUE;
1280 }
1281 }
748abff6
RH		 1282 }
1283
2c4c2bc0
RH		 1284 /* ??? If we created fixups, this may push the code segment large
1285 enough that the data segment moves, which will change the GP.
1286 Reset the GP so that we re-calculate next round. We need to
1287 do this at the _beginning_ of the next round; now will not do. */
f12123c0 1288
748abff6
RH		 1289 /* Clean up and go home. */
1290 while (fixups)
1291 {
1292 struct one_fixup *f = fixups;
1293 fixups = fixups->next;
1294 free (f);
1295 }
1296
6cdc0ccc
AM		 1297 if (isymbuf != NULL
1298 && symtab_hdr->contents != (unsigned char *) isymbuf)
748abff6
RH		 1299 {
1300 if (! link_info->keep_memory)
6cdc0ccc 1301 free (isymbuf);
748abff6
RH		 1302 else
1303 {
6cdc0ccc
AM		 1304 /* Cache the symbols for elf_link_input_bfd. */
1305 symtab_hdr->contents = (unsigned char *) isymbuf;
748abff6
RH		 1306 }
1307 }
1308
6cdc0ccc
AM		 1309 if (contents != NULL
1310 && elf_section_data (sec)->this_hdr.contents != contents)
748abff6 1311 {
6cdc0ccc
AM		 1312 if (!changed_contents && !link_info->keep_memory)
1313 free (contents);
748abff6
RH		 1314 else
1315 {
6cdc0ccc
AM		 1316 /* Cache the section contents for elf_link_input_bfd. */
1317 elf_section_data (sec)->this_hdr.contents = contents;
748abff6
RH		 1318 }
1319 }
1320
6cdc0ccc
AM		 1321 if (elf_section_data (sec)->relocs != internal_relocs)
1322 {
1323 if (!changed_relocs)
1324 free (internal_relocs);
1325 else
1326 elf_section_data (sec)->relocs = internal_relocs;
1327 }
1328
2c4c2bc0
RH		 1329 if (changed_got)
1330 {
1331 struct elfNN_ia64_allocate_data data;
1332 data.info = link_info;
1333 data.ofs = 0;
9d73f260 1334 ia64_info->self_dtpmod_offset = (bfd_vma) -1;
2c4c2bc0
RH		 1335
1336 elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_global_data_got, &data);
1337 elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_global_fptr_got, &data);
1338 elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_local_got, &data);
eea6121a 1339 ia64_info->got_sec->size = data.ofs;
2c4c2bc0 1340
90b263f3
L		 1341 if (ia64_info->root.dynamic_sections_created
1342 && ia64_info->rel_got_sec != NULL)
4a78a1f4
AS		 1343 {
1344 /* Resize .rela.got. */
1345 ia64_info->rel_got_sec->size = 0;
1346 if (link_info->shared
1347 && ia64_info->self_dtpmod_offset != (bfd_vma) -1)
1348 ia64_info->rel_got_sec->size += sizeof (ElfNN_External_Rela);
1349 data.only_got = TRUE;
1350 elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_dynrel_entries,
1351 &data);
1352 }
2c4c2bc0
RH		 1353 }
1354
d9c458fc 1355 if (!link_info->need_relax_finalize)
c7996ad6
L		 1356 sec->need_finalize_relax = 0;
1357
748abff6 1358 *again = changed_contents || changed_relocs;
b34976b6 1359 return TRUE;
748abff6
RH		 1360
1361 error_return:
6cdc0ccc
AM		 1362 if (isymbuf != NULL && (unsigned char *) isymbuf != symtab_hdr->contents)
1363 free (isymbuf);
1364 if (contents != NULL
1365 && elf_section_data (sec)->this_hdr.contents != contents)
1366 free (contents);
1367 if (internal_relocs != NULL
1368 && elf_section_data (sec)->relocs != internal_relocs)
1369 free (internal_relocs);
b34976b6 1370 return FALSE;
748abff6 1371}
2c4c2bc0
RH		 1372
1373static void
bbb268c3 1374elfNN_ia64_relax_ldxmov (contents, off)
2c4c2bc0
RH		 1375 bfd_byte *contents;
1376 bfd_vma off;
1377{
1378 int shift, r1, r3;
1379 bfd_vma dword, insn;
1380
1381 switch ((int)off & 0x3)
1382 {
1383 case 0: shift = 5; break;
1384 case 1: shift = 14; off += 3; break;
1385 case 2: shift = 23; off += 6; break;
60d8b524 1386 default:
2c4c2bc0
RH		 1387 abort ();
1388 }
1389
bbb268c3 1390 dword = bfd_getl64 (contents + off);
2c4c2bc0
RH		 1391 insn = (dword >> shift) & 0x1ffffffffffLL;
1392
1393 r1 = (insn >> 6) & 127;
1394 r3 = (insn >> 20) & 127;
1395 if (r1 == r3)
1396 insn = 0x8000000; /* nop */
1397 else
1398 insn = (insn & 0x7f01fff) | 0x10800000000LL; /* (qp) mov r1 = r3 */
1399
1400 dword &= ~(0x1ffffffffffLL << shift);
1401 dword |= (insn << shift);
bbb268c3 1402 bfd_putl64 (dword, contents + off);
2c4c2bc0 1403}
800eeca4 1404\f
b34976b6 1405/* Return TRUE if NAME is an unwind table section name. */
81545d45 1406
b34976b6 1407static inline bfd_boolean
d9cf1b54
AM		 1408is_unwind_section_name (abfd, name)
1409 bfd *abfd;
81545d45
RH		 1410 const char *name;
1411{
579f31ac 1412 size_t len1, len2, len3;
81545d45 1413
d9cf1b54
AM		 1414 if (elfNN_ia64_hpux_vec (abfd->xvec)
1415 && !strcmp (name, ELF_STRING_ia64_unwind_hdr))
b34976b6 1416 return FALSE;
d9cf1b54 1417
81545d45
RH		 1418 len1 = sizeof (ELF_STRING_ia64_unwind) - 1;
1419 len2 = sizeof (ELF_STRING_ia64_unwind_info) - 1;
579f31ac
JJ		 1420 len3 = sizeof (ELF_STRING_ia64_unwind_once) - 1;
1421 return ((strncmp (name, ELF_STRING_ia64_unwind, len1) == 0
1422 && strncmp (name, ELF_STRING_ia64_unwind_info, len2) != 0)
1423 || strncmp (name, ELF_STRING_ia64_unwind_once, len3) == 0);
81545d45
RH		 1424}
1425
800eeca4 1426/* Handle an IA-64 specific section when reading an object file. This
6dc132d9
L		 1427 is called when bfd_section_from_shdr finds a section with an unknown
1428 type. */
800eeca4 1429
b34976b6 1430static bfd_boolean
6dc132d9
L		 1431elfNN_ia64_section_from_shdr (bfd *abfd,
1432 Elf_Internal_Shdr *hdr,
1433 const char *name,
1434 int shindex)
800eeca4
JW		 1435{
1436 asection *newsect;
1437
1438 /* There ought to be a place to keep ELF backend specific flags, but
1439 at the moment there isn't one. We just keep track of the
1440 sections by their name, instead. Fortunately, the ABI gives
1441 suggested names for all the MIPS specific sections, so we will
1442 probably get away with this. */
1443 switch (hdr->sh_type)
1444 {
1445 case SHT_IA_64_UNWIND:
d9cf1b54 1446 case SHT_IA_64_HP_OPT_ANOT:
800eeca4
JW		 1447 break;
1448
1449 case SHT_IA_64_EXT:
1450 if (strcmp (name, ELF_STRING_ia64_archext) != 0)
b34976b6 1451 return FALSE;
800eeca4
JW		 1452 break;
1453
1454 default:
b34976b6 1455 return FALSE;
800eeca4
JW		 1456 }
1457
6dc132d9 1458 if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex))
b34976b6 1459 return FALSE;
800eeca4
JW		 1460 newsect = hdr->bfd_section;
1461
b34976b6 1462 return TRUE;
fa152c49
JW		 1463}
1464
1465/* Convert IA-64 specific section flags to bfd internal section flags. */
1466
1467/* ??? There is no bfd internal flag equivalent to the SHF_IA_64_NORECOV
1468 flag. */
1469
b34976b6 1470static bfd_boolean
bbe66d08 1471elfNN_ia64_section_flags (flags, hdr)
fa152c49 1472 flagword *flags;
1829f4b2 1473 const Elf_Internal_Shdr *hdr;
fa152c49 1474{
800eeca4 1475 if (hdr->sh_flags & SHF_IA_64_SHORT)
fa152c49 1476 *flags |= SEC_SMALL_DATA;
800eeca4 1477
b34976b6 1478 return TRUE;
800eeca4
JW		 1479}
1480
1481/* Set the correct type for an IA-64 ELF section. We do this by the
1482 section name, which is a hack, but ought to work. */
1483
b34976b6 1484static bfd_boolean
bbe66d08 1485elfNN_ia64_fake_sections (abfd, hdr, sec)
64bf6ae6 1486 bfd *abfd ATTRIBUTE_UNUSED;
947216bf 1487 Elf_Internal_Shdr *hdr;
800eeca4
JW		 1488 asection *sec;
1489{
1490 register const char *name;
1491
1492 name = bfd_get_section_name (abfd, sec);
1493
d9cf1b54 1494 if (is_unwind_section_name (abfd, name))
81545d45
RH		 1495 {
1496 /* We don't have the sections numbered at this point, so sh_info
1497 is set later, in elfNN_ia64_final_write_processing. */
1498 hdr->sh_type = SHT_IA_64_UNWIND;
1499 hdr->sh_flags |= SHF_LINK_ORDER;
1500 }
800eeca4
JW		 1501 else if (strcmp (name, ELF_STRING_ia64_archext) == 0)
1502 hdr->sh_type = SHT_IA_64_EXT;
d9cf1b54
AM		 1503 else if (strcmp (name, ".HP.opt_annot") == 0)
1504 hdr->sh_type = SHT_IA_64_HP_OPT_ANOT;
800eeca4 1505 else if (strcmp (name, ".reloc") == 0)
5e8d7549
NC		 1506 /* This is an ugly, but unfortunately necessary hack that is
1507 needed when producing EFI binaries on IA-64. It tells
1508 elf.c:elf_fake_sections() not to consider ".reloc" as a section
1509 containing ELF relocation info. We need this hack in order to
1510 be able to generate ELF binaries that can be translated into
1511 EFI applications (which are essentially COFF objects). Those
1512 files contain a COFF ".reloc" section inside an ELFNN object,
1513 which would normally cause BFD to segfault because it would
1514 attempt to interpret this section as containing relocation
1515 entries for section "oc". With this hack enabled, ".reloc"
1516 will be treated as a normal data section, which will avoid the
1517 segfault. However, you won't be able to create an ELFNN binary
1518 with a section named "oc" that needs relocations, but that's
1519 the kind of ugly side-effects you get when detecting section
1520 types based on their names... In practice, this limitation is
1521 unlikely to bite. */
800eeca4
JW		 1522 hdr->sh_type = SHT_PROGBITS;
1523
1524 if (sec->flags & SEC_SMALL_DATA)
1525 hdr->sh_flags |= SHF_IA_64_SHORT;
1526
b34976b6 1527 return TRUE;
800eeca4
JW		 1528}
1529
81545d45
RH		 1530/* The final processing done just before writing out an IA-64 ELF
1531 object file. */
1532
1533static void
1534elfNN_ia64_final_write_processing (abfd, linker)
1535 bfd *abfd;
b34976b6 1536 bfd_boolean linker ATTRIBUTE_UNUSED;
81545d45
RH		 1537{
1538 Elf_Internal_Shdr *hdr;
38ce5b11 1539 asection *s;
81545d45
RH		 1540
1541 for (s = abfd->sections; s; s = s->next)
1542 {
1543 hdr = &elf_section_data (s)->this_hdr;
1544 switch (hdr->sh_type)
1545 {
1546 case SHT_IA_64_UNWIND:
38ce5b11
L		 1547 /* The IA-64 processor-specific ABI requires setting sh_link
1548 to the unwind section, whereas HP-UX requires sh_info to
1549 do so. For maximum compatibility, we'll set both for
1550 now... */
1551 hdr->sh_info = hdr->sh_link;
81545d45
RH		 1552 break;
1553 }
1554 }
9d46020e
AM		 1555
1556 if (! elf_flags_init (abfd))
1557 {
1558 unsigned long flags = 0;
1559
1560 if (abfd->xvec->byteorder == BFD_ENDIAN_BIG)
1561 flags |= EF_IA_64_BE;
1562 if (bfd_get_mach (abfd) == bfd_mach_ia64_elf64)
1563 flags |= EF_IA_64_ABI64;
1564
1565 elf_elfheader(abfd)->e_flags = flags;
b34976b6 1566 elf_flags_init (abfd) = TRUE;
9d46020e 1567 }
81545d45
RH		 1568}
1569
800eeca4
JW		 1570/* Hook called by the linker routine which adds symbols from an object
1571 file. We use it to put .comm items in .sbss, and not .bss. */
1572
b34976b6 1573static bfd_boolean
bbe66d08 1574elfNN_ia64_add_symbol_hook (abfd, info, sym, namep, flagsp, secp, valp)
800eeca4
JW		 1575 bfd *abfd;
1576 struct bfd_link_info *info;
555cd476 1577 Elf_Internal_Sym *sym;
64bf6ae6
JW		 1578 const char **namep ATTRIBUTE_UNUSED;
1579 flagword *flagsp ATTRIBUTE_UNUSED;
800eeca4
JW		 1580 asection **secp;
1581 bfd_vma *valp;
1582{
1583 if (sym->st_shndx == SHN_COMMON
1049f94e 1584 && !info->relocatable
c0846b23 1585 && sym->st_size <= elf_gp_size (abfd))
800eeca4
JW		 1586 {
1587 /* Common symbols less than or equal to -G nn bytes are
1588 automatically put into .sbss. */
1589
1590 asection *scomm = bfd_get_section_by_name (abfd, ".scommon");
1591
1592 if (scomm == NULL)
1593 {
3496cb2a
L		 1594 scomm = bfd_make_section_with_flags (abfd, ".scommon",
1595 (SEC_ALLOC
1596 | SEC_IS_COMMON
1597 | SEC_LINKER_CREATED));
1598 if (scomm == NULL)
b34976b6 1599 return FALSE;
800eeca4
JW		 1600 }
1601
1602 *secp = scomm;
1603 *valp = sym->st_size;
1604 }
1605
b34976b6 1606 return TRUE;
800eeca4
JW		 1607}
1608
1609/* Return the number of additional phdrs we will need. */
1610
1611static int
bbe66d08 1612elfNN_ia64_additional_program_headers (abfd)
800eeca4
JW		 1613 bfd *abfd;
1614{
1615 asection *s;
1616 int ret = 0;
1617
1618 /* See if we need a PT_IA_64_ARCHEXT segment. */
1619 s = bfd_get_section_by_name (abfd, ELF_STRING_ia64_archext);
1620 if (s && (s->flags & SEC_LOAD))
1621 ++ret;
1622
81545d45
RH		 1623 /* Count how many PT_IA_64_UNWIND segments we need. */
1624 for (s = abfd->sections; s; s = s->next)
d9cf1b54 1625 if (is_unwind_section_name (abfd, s->name) && (s->flags & SEC_LOAD))
81545d45 1626 ++ret;
800eeca4
JW		 1627
1628 return ret;
1629}
1630
b34976b6 1631static bfd_boolean
c84fca4d 1632elfNN_ia64_modify_segment_map (abfd, info)
800eeca4 1633 bfd *abfd;
c84fca4d 1634 struct bfd_link_info *info ATTRIBUTE_UNUSED;
800eeca4
JW		 1635{
1636 struct elf_segment_map *m, **pm;
81545d45 1637 Elf_Internal_Shdr *hdr;
800eeca4
JW		 1638 asection *s;
1639
1640 /* If we need a PT_IA_64_ARCHEXT segment, it must come before
1641 all PT_LOAD segments. */
1642 s = bfd_get_section_by_name (abfd, ELF_STRING_ia64_archext);
1643 if (s && (s->flags & SEC_LOAD))
1644 {
1645 for (m = elf_tdata (abfd)->segment_map; m != NULL; m = m->next)
1646 if (m->p_type == PT_IA_64_ARCHEXT)
1647 break;
1648 if (m == NULL)
1649 {
dc810e39
AM		 1650 m = ((struct elf_segment_map *)
1651 bfd_zalloc (abfd, (bfd_size_type) sizeof *m));
800eeca4 1652 if (m == NULL)
b34976b6 1653 return FALSE;
800eeca4
JW		 1654
1655 m->p_type = PT_IA_64_ARCHEXT;
1656 m->count = 1;
1657 m->sections[0] = s;
1658
1659 /* We want to put it after the PHDR and INTERP segments. */
1660 pm = &elf_tdata (abfd)->segment_map;
1661 while (*pm != NULL
1662 && ((*pm)->p_type == PT_PHDR
1663 || (*pm)->p_type == PT_INTERP))
1664 pm = &(*pm)->next;
1665
1666 m->next = *pm;
1667 *pm = m;
1668 }
1669 }
1670
81545d45
RH		 1671 /* Install PT_IA_64_UNWIND segments, if needed. */
1672 for (s = abfd->sections; s; s = s->next)
800eeca4 1673 {
81545d45
RH		 1674 hdr = &elf_section_data (s)->this_hdr;
1675 if (hdr->sh_type != SHT_IA_64_UNWIND)
1676 continue;
1677
1678 if (s && (s->flags & SEC_LOAD))
800eeca4 1679 {
81545d45 1680 for (m = elf_tdata (abfd)->segment_map; m != NULL; m = m->next)
d9cf1b54
AM		 1681 if (m->p_type == PT_IA_64_UNWIND)
1682 {
40c97fc6
AM		 1683 int i;
1684
d9cf1b54
AM		 1685 /* Look through all sections in the unwind segment
1686 for a match since there may be multiple sections
1687 to a segment. */
40c97fc6
AM		 1688 for (i = m->count - 1; i >= 0; --i)
1689 if (m->sections[i] == s)
1690 break;
d9cf1b54 1691
40c97fc6 1692 if (i >= 0)
d9cf1b54
AM		 1693 break;
1694 }
81545d45 1695
800eeca4 1696 if (m == NULL)
81545d45 1697 {
dc810e39
AM		 1698 m = ((struct elf_segment_map *)
1699 bfd_zalloc (abfd, (bfd_size_type) sizeof *m));
81545d45 1700 if (m == NULL)
b34976b6 1701 return FALSE;
800eeca4 1702
81545d45
RH		 1703 m->p_type = PT_IA_64_UNWIND;
1704 m->count = 1;
1705 m->sections[0] = s;
1706 m->next = NULL;
800eeca4 1707
81545d45
RH		 1708 /* We want to put it last. */
1709 pm = &elf_tdata (abfd)->segment_map;
1710 while (*pm != NULL)
1711 pm = &(*pm)->next;
1712 *pm = m;
1713 }
800eeca4
JW		 1714 }
1715 }
1716
1717 /* Turn on PF_IA_64_NORECOV if needed. This involves traversing all of
1718 the input sections for each output section in the segment and testing
1719 for SHF_IA_64_NORECOV on each. */
1720 for (m = elf_tdata (abfd)->segment_map; m != NULL; m = m->next)
1721 if (m->p_type == PT_LOAD)
1722 {
1723 int i;
1724 for (i = m->count - 1; i >= 0; --i)
1725 {
8423293d 1726 struct bfd_link_order *order = m->sections[i]->map_head.link_order;
800eeca4
JW		 1727 while (order)
1728 {
1729 if (order->type == bfd_indirect_link_order)
1730 {
1731 asection *is = order->u.indirect.section;
1732 bfd_vma flags = elf_section_data(is)->this_hdr.sh_flags;
1733 if (flags & SHF_IA_64_NORECOV)
1734 {
1735 m->p_flags |= PF_IA_64_NORECOV;
1736 goto found;
1737 }
1738 }
1739 order = order->next;
1740 }
1741 }
1742 found:;
1743 }
1744
b34976b6 1745 return TRUE;
800eeca4
JW		 1746}
1747
800eeca4
JW		 1748/* According to the Tahoe assembler spec, all labels starting with a
1749 '.' are local. */
1750
b34976b6 1751static bfd_boolean
bbe66d08 1752elfNN_ia64_is_local_label_name (abfd, name)
64bf6ae6 1753 bfd *abfd ATTRIBUTE_UNUSED;
800eeca4
JW		 1754 const char *name;
1755{
1756 return name[0] == '.';
1757}
1758
1759/* Should we do dynamic things to this symbol? */
1760
b34976b6 1761static bfd_boolean
986a241f 1762elfNN_ia64_dynamic_symbol_p (h, info, r_type)
800eeca4
JW		 1763 struct elf_link_hash_entry *h;
1764 struct bfd_link_info *info;
986a241f 1765 int r_type;
800eeca4 1766{
986a241f
RH		 1767 bfd_boolean ignore_protected
1768 = ((r_type & 0xf8) == 0x40 /* FPTR relocs */
1769 || (r_type & 0xf8) == 0x50); /* LTOFF_FPTR relocs */
800eeca4 1770
986a241f 1771 return _bfd_elf_dynamic_symbol_p (h, info, ignore_protected);
800eeca4
JW		 1772}
1773\f
800eeca4 1774static struct bfd_hash_entry*
bbe66d08 1775elfNN_ia64_new_elf_hash_entry (entry, table, string)
800eeca4
JW		 1776 struct bfd_hash_entry *entry;
1777 struct bfd_hash_table *table;
1778 const char *string;
1779{
bbe66d08
JW		 1780 struct elfNN_ia64_link_hash_entry *ret;
1781 ret = (struct elfNN_ia64_link_hash_entry *) entry;
800eeca4
JW		 1782
1783 /* Allocate the structure if it has not already been allocated by a
1784 subclass. */
1785 if (!ret)
1786 ret = bfd_hash_allocate (table, sizeof (*ret));
1787
1788 if (!ret)
1789 return 0;
1790
800eeca4 1791 /* Call the allocation method of the superclass. */
bbe66d08 1792 ret = ((struct elfNN_ia64_link_hash_entry *)
800eeca4
JW		 1793 _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
1794 table, string));
1795
4f40114d 1796 ret->info = NULL;
800eeca4
JW		 1797 return (struct bfd_hash_entry *) ret;
1798}
1799
1800static void
b48fa14c 1801elfNN_ia64_hash_copy_indirect (bed, xdir, xind)
9c5bfbb7 1802 const struct elf_backend_data *bed ATTRIBUTE_UNUSED;
800eeca4
JW		 1803 struct elf_link_hash_entry *xdir, *xind;
1804{
bbe66d08 1805 struct elfNN_ia64_link_hash_entry *dir, *ind;
800eeca4 1806
57c7194e
AM		 1807 dir = (struct elfNN_ia64_link_hash_entry *) xdir;
1808 ind = (struct elfNN_ia64_link_hash_entry *) xind;
800eeca4 1809
3e932841 1810 /* Copy down any references that we may have already seen to the
800eeca4
JW		 1811 symbol which just became indirect. */
1812
f5385ebf
AM		 1813 dir->root.ref_dynamic |= ind->root.ref_dynamic;
1814 dir->root.ref_regular |= ind->root.ref_regular;
1815 dir->root.ref_regular_nonweak |= ind->root.ref_regular_nonweak;
1816 dir->root.needs_plt |= ind->root.needs_plt;
800eeca4 1817
1e370bd2 1818 if (ind->root.root.type != bfd_link_hash_indirect)
0a991dfe
AM		 1819 return;
1820
800eeca4
JW		 1821 /* Copy over the got and plt data. This would have been done
1822 by check_relocs. */
1823
1824 if (dir->info == NULL)
1825 {
bbe66d08 1826 struct elfNN_ia64_dyn_sym_info *dyn_i;
800eeca4
JW		 1827
1828 dir->info = dyn_i = ind->info;
1829 ind->info = NULL;
1830
1831 /* Fix up the dyn_sym_info pointers to the global symbol. */
1832 for (; dyn_i; dyn_i = dyn_i->next)
1833 dyn_i->h = &dir->root;
1834 }
1835 BFD_ASSERT (ind->info == NULL);
1836
1837 /* Copy over the dynindx. */
1838
1839 if (dir->root.dynindx == -1)
1840 {
1841 dir->root.dynindx = ind->root.dynindx;
1842 dir->root.dynstr_index = ind->root.dynstr_index;
1843 ind->root.dynindx = -1;
1844 ind->root.dynstr_index = 0;
1845 }
1846 BFD_ASSERT (ind->root.dynindx == -1);
1847}
1848
1849static void
e5094212
AM		 1850elfNN_ia64_hash_hide_symbol (info, xh, force_local)
1851 struct bfd_link_info *info;
800eeca4 1852 struct elf_link_hash_entry *xh;
b34976b6 1853 bfd_boolean force_local;
800eeca4 1854{
bbe66d08
JW		 1855 struct elfNN_ia64_link_hash_entry *h;
1856 struct elfNN_ia64_dyn_sym_info *dyn_i;
800eeca4 1857
bbe66d08 1858 h = (struct elfNN_ia64_link_hash_entry *)xh;
800eeca4 1859
e5094212 1860 _bfd_elf_link_hash_hide_symbol (info, &h->root, force_local);
800eeca4
JW		 1861
1862 for (dyn_i = h->info; dyn_i; dyn_i = dyn_i->next)
6a32c710
L		 1863 {
1864 dyn_i->want_plt2 = 0;
1865 dyn_i->want_plt = 0;
1866 }
800eeca4
JW		 1867}
1868
0aa92b58
JJ		 1869/* Compute a hash of a local hash entry. */
1870
1871static hashval_t
1872elfNN_ia64_local_htab_hash (ptr)
1873 const void *ptr;
1874{
1875 struct elfNN_ia64_local_hash_entry *entry
1876 = (struct elfNN_ia64_local_hash_entry *) ptr;
1877
1878 return (((entry->id & 0xff) << 24) | ((entry->id & 0xff00) << 8))
1879 ^ entry->r_sym ^ (entry->id >> 16);
1880}
1881
1882/* Compare local hash entries. */
1883
1884static int
1885elfNN_ia64_local_htab_eq (ptr1, ptr2)
1886 const void *ptr1, *ptr2;
1887{
1888 struct elfNN_ia64_local_hash_entry *entry1
1889 = (struct elfNN_ia64_local_hash_entry *) ptr1;
1890 struct elfNN_ia64_local_hash_entry *entry2
1891 = (struct elfNN_ia64_local_hash_entry *) ptr2;
1892
1893 return entry1->id == entry2->id && entry1->r_sym == entry2->r_sym;
1894}
1895
800eeca4
JW		 1896/* Create the derived linker hash table. The IA-64 ELF port uses this
1897 derived hash table to keep information specific to the IA-64 ElF
1898 linker (without using static variables). */
1899
1900static struct bfd_link_hash_table*
bbe66d08 1901elfNN_ia64_hash_table_create (abfd)
800eeca4
JW		 1902 bfd *abfd;
1903{
bbe66d08 1904 struct elfNN_ia64_link_hash_table *ret;
800eeca4 1905
6e84a906 1906 ret = bfd_zmalloc ((bfd_size_type) sizeof (*ret));
800eeca4
JW		 1907 if (!ret)
1908 return 0;
6e84a906 1909
800eeca4 1910 if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
bbe66d08 1911 elfNN_ia64_new_elf_hash_entry))
800eeca4 1912 {
6e84a906 1913 free (ret);
800eeca4
JW		 1914 return 0;
1915 }
1916
0aa92b58
JJ		 1917 ret->loc_hash_table = htab_try_create (1024, elfNN_ia64_local_htab_hash,
1918 elfNN_ia64_local_htab_eq, NULL);
1919 ret->loc_hash_memory = objalloc_create ();
1920 if (!ret->loc_hash_table || !ret->loc_hash_memory)
6e84a906
DJ		 1921 {
1922 free (ret);
1923 return 0;
1924 }
1925
800eeca4
JW		 1926 return &ret->root.root;
1927}
1928
0aa92b58 1929/* Destroy IA-64 linker hash table. */
800eeca4 1930
0aa92b58
JJ		 1931static void
1932elfNN_ia64_hash_table_free (hash)
1933 struct bfd_link_hash_table *hash;
800eeca4 1934{
0aa92b58
JJ		 1935 struct elfNN_ia64_link_hash_table *ia64_info
1936 = (struct elfNN_ia64_link_hash_table *) hash;
1937 if (ia64_info->loc_hash_table)
1938 htab_delete (ia64_info->loc_hash_table);
1939 if (ia64_info->loc_hash_memory)
1940 objalloc_free ((struct objalloc *) ia64_info->loc_hash_memory);
1941 _bfd_generic_link_hash_table_free (hash);
800eeca4
JW		 1942}
1943
1944/* Traverse both local and global hash tables. */
1945
bbe66d08 1946struct elfNN_ia64_dyn_sym_traverse_data
800eeca4 1947{
b34976b6 1948 bfd_boolean (*func) PARAMS ((struct elfNN_ia64_dyn_sym_info *, PTR));
800eeca4
JW		 1949 PTR data;
1950};
1951
b34976b6 1952static bfd_boolean
bbe66d08 1953elfNN_ia64_global_dyn_sym_thunk (xentry, xdata)
800eeca4
JW		 1954 struct bfd_hash_entry *xentry;
1955 PTR xdata;
1956{
bbe66d08
JW		 1957 struct elfNN_ia64_link_hash_entry *entry
1958 = (struct elfNN_ia64_link_hash_entry *) xentry;
1959 struct elfNN_ia64_dyn_sym_traverse_data *data
1960 = (struct elfNN_ia64_dyn_sym_traverse_data *) xdata;
1961 struct elfNN_ia64_dyn_sym_info *dyn_i;
800eeca4 1962
e92d460e
AM		 1963 if (entry->root.root.type == bfd_link_hash_warning)
1964 entry = (struct elfNN_ia64_link_hash_entry *) entry->root.root.u.i.link;
1965
800eeca4
JW		 1966 for (dyn_i = entry->info; dyn_i; dyn_i = dyn_i->next)
1967 if (! (*data->func) (dyn_i, data->data))
b34976b6
AM		 1968 return FALSE;
1969 return TRUE;
800eeca4
JW		 1970}
1971
b34976b6 1972static bfd_boolean
0aa92b58
JJ		 1973elfNN_ia64_local_dyn_sym_thunk (slot, xdata)
1974 void **slot;
800eeca4
JW		 1975 PTR xdata;
1976{
bbe66d08 1977 struct elfNN_ia64_local_hash_entry *entry
0aa92b58 1978 = (struct elfNN_ia64_local_hash_entry *) *slot;
bbe66d08
JW		 1979 struct elfNN_ia64_dyn_sym_traverse_data *data
1980 = (struct elfNN_ia64_dyn_sym_traverse_data *) xdata;
1981 struct elfNN_ia64_dyn_sym_info *dyn_i;
800eeca4
JW		 1982
1983 for (dyn_i = entry->info; dyn_i; dyn_i = dyn_i->next)
1984 if (! (*data->func) (dyn_i, data->data))
0aa92b58
JJ		 1985 return 0;
1986 return 1;
800eeca4
JW		 1987}
1988
1989static void
bbe66d08
JW		 1990elfNN_ia64_dyn_sym_traverse (ia64_info, func, data)
1991 struct elfNN_ia64_link_hash_table *ia64_info;
b34976b6 1992 bfd_boolean (*func) PARAMS ((struct elfNN_ia64_dyn_sym_info *, PTR));
800eeca4
JW		 1993 PTR data;
1994{
bbe66d08 1995 struct elfNN_ia64_dyn_sym_traverse_data xdata;
800eeca4
JW		 1996
1997 xdata.func = func;
1998 xdata.data = data;
1999
2000 elf_link_hash_traverse (&ia64_info->root,
bbe66d08 2001 elfNN_ia64_global_dyn_sym_thunk, &xdata);
0aa92b58
JJ		 2002 htab_traverse (ia64_info->loc_hash_table,
2003 elfNN_ia64_local_dyn_sym_thunk, &xdata);
800eeca4
JW		 2004}
2005\f
b34976b6 2006static bfd_boolean
bbe66d08 2007elfNN_ia64_create_dynamic_sections (abfd, info)
800eeca4
JW		 2008 bfd *abfd;
2009 struct bfd_link_info *info;
2010{
bbe66d08 2011 struct elfNN_ia64_link_hash_table *ia64_info;
800eeca4
JW		 2012 asection *s;
2013
2014 if (! _bfd_elf_create_dynamic_sections (abfd, info))
b34976b6 2015 return FALSE;
800eeca4 2016
bbe66d08 2017 ia64_info = elfNN_ia64_hash_table (info);
800eeca4
JW		 2018
2019 ia64_info->plt_sec = bfd_get_section_by_name (abfd, ".plt");
2020 ia64_info->got_sec = bfd_get_section_by_name (abfd, ".got");
2021
2022 {
2023 flagword flags = bfd_get_section_flags (abfd, ia64_info->got_sec);
2024 bfd_set_section_flags (abfd, ia64_info->got_sec, SEC_SMALL_DATA | flags);
69bbc4c0
L		 2025 /* The .got section is always aligned at 8 bytes. */
2026 bfd_set_section_alignment (abfd, ia64_info->got_sec, 3);
800eeca4
JW		 2027 }
2028
2029 if (!get_pltoff (abfd, info, ia64_info))
b34976b6 2030 return FALSE;
800eeca4 2031
3496cb2a
L		 2032 s = bfd_make_section_with_flags (abfd, ".rela.IA_64.pltoff",
2033 (SEC_ALLOC | SEC_LOAD
2034 | SEC_HAS_CONTENTS
2035 | SEC_IN_MEMORY
2036 | SEC_LINKER_CREATED
2037 | SEC_READONLY));
800eeca4 2038 if (s == NULL
5a260b66 2039 || !bfd_set_section_alignment (abfd, s, LOG_SECTION_ALIGN))
b34976b6 2040 return FALSE;
800eeca4
JW		 2041 ia64_info->rel_pltoff_sec = s;
2042
3496cb2a
L		 2043 s = bfd_make_section_with_flags (abfd, ".rela.got",
2044 (SEC_ALLOC | SEC_LOAD
2045 | SEC_HAS_CONTENTS
2046 | SEC_IN_MEMORY
2047 | SEC_LINKER_CREATED
2048 | SEC_READONLY));
800eeca4 2049 if (s == NULL
5a260b66 2050 || !bfd_set_section_alignment (abfd, s, LOG_SECTION_ALIGN))
b34976b6 2051 return FALSE;
800eeca4
JW		 2052 ia64_info->rel_got_sec = s;
2053
b34976b6 2054 return TRUE;
800eeca4
JW		 2055}
2056
f7460f5f
JJ		 2057/* Find and/or create a hash entry for local symbol. */
2058static struct elfNN_ia64_local_hash_entry *
2059get_local_sym_hash (ia64_info, abfd, rel, create)
2060 struct elfNN_ia64_link_hash_table *ia64_info;
2061 bfd *abfd;
2062 const Elf_Internal_Rela *rel;
b34976b6 2063 bfd_boolean create;
f7460f5f 2064{
0aa92b58 2065 struct elfNN_ia64_local_hash_entry e, *ret;
d48770d4 2066 asection *sec = abfd->sections;
0aa92b58
JJ		 2067 hashval_t h = (((sec->id & 0xff) << 24) | ((sec->id & 0xff00) << 8))
2068 ^ ELFNN_R_SYM (rel->r_info) ^ (sec->id >> 16);
2069 void **slot;
d48770d4 2070
0aa92b58
JJ		 2071 e.id = sec->id;
2072 e.r_sym = ELFNN_R_SYM (rel->r_info);
2073 slot = htab_find_slot_with_hash (ia64_info->loc_hash_table, &e, h,
2074 create ? INSERT : NO_INSERT);
f7460f5f 2075
0aa92b58
JJ		 2076 if (!slot)
2077 return NULL;
f7460f5f 2078
0aa92b58
JJ		 2079 if (*slot)
2080 return (struct elfNN_ia64_local_hash_entry *) *slot;
f7460f5f 2081
0aa92b58
JJ		 2082 ret = (struct elfNN_ia64_local_hash_entry *)
2083 objalloc_alloc ((struct objalloc *) ia64_info->loc_hash_memory,
2084 sizeof (struct elfNN_ia64_local_hash_entry));
2085 if (ret)
2086 {
2087 memset (ret, 0, sizeof (*ret));
2088 ret->id = sec->id;
2089 ret->r_sym = ELFNN_R_SYM (rel->r_info);
2090 *slot = ret;
2091 }
fcf12726 2092 return ret;
f7460f5f
JJ		 2093}
2094
800eeca4
JW		 2095/* Find and/or create a descriptor for dynamic symbol info. This will
2096 vary based on global or local symbol, and the addend to the reloc. */
2097
bbe66d08 2098static struct elfNN_ia64_dyn_sym_info *
800eeca4 2099get_dyn_sym_info (ia64_info, h, abfd, rel, create)
bbe66d08 2100 struct elfNN_ia64_link_hash_table *ia64_info;
800eeca4
JW		 2101 struct elf_link_hash_entry *h;
2102 bfd *abfd;
2103 const Elf_Internal_Rela *rel;
b34976b6 2104 bfd_boolean create;
800eeca4 2105{
bbe66d08
JW		 2106 struct elfNN_ia64_dyn_sym_info **pp;
2107 struct elfNN_ia64_dyn_sym_info *dyn_i;
800eeca4 2108 bfd_vma addend = rel ? rel->r_addend : 0;
3e932841 2109
800eeca4 2110 if (h)
bbe66d08 2111 pp = &((struct elfNN_ia64_link_hash_entry *)h)->info;
800eeca4
JW		 2112 else
2113 {
bbe66d08 2114 struct elfNN_ia64_local_hash_entry *loc_h;
800eeca4 2115
f7460f5f 2116 loc_h = get_local_sym_hash (ia64_info, abfd, rel, create);
f86b235a
RH		 2117 if (!loc_h)
2118 {
2119 BFD_ASSERT (!create);
2120 return NULL;
2121 }
800eeca4
JW		 2122
2123 pp = &loc_h->info;
3e932841 2124 }
800eeca4
JW		 2125
2126 for (dyn_i = *pp; dyn_i && dyn_i->addend != addend; dyn_i = *pp)
2127 pp = &dyn_i->next;
2128
2129 if (dyn_i == NULL && create)
2130 {
dc810e39
AM		 2131 dyn_i = ((struct elfNN_ia64_dyn_sym_info *)
2132 bfd_zalloc (abfd, (bfd_size_type) sizeof *dyn_i));
800eeca4
JW		 2133 *pp = dyn_i;
2134 dyn_i->addend = addend;
2135 }
2136
2137 return dyn_i;
2138}
2139
2140static asection *
2141get_got (abfd, info, ia64_info)
2142 bfd *abfd;
2143 struct bfd_link_info *info;
bbe66d08 2144 struct elfNN_ia64_link_hash_table *ia64_info;
800eeca4 2145{
64bf6ae6 2146 asection *got;
800eeca4
JW		 2147 bfd *dynobj;
2148
2149 got = ia64_info->got_sec;
2150 if (!got)
2151 {
2152 flagword flags;
2153
2154 dynobj = ia64_info->root.dynobj;
2155 if (!dynobj)
2156 ia64_info->root.dynobj = dynobj = abfd;
2157 if (!_bfd_elf_create_got_section (dynobj, info))
2158 return 0;
2159
2160 got = bfd_get_section_by_name (dynobj, ".got");
2161 BFD_ASSERT (got);
2162 ia64_info->got_sec = got;
2163
8651fcf9
L		 2164 /* The .got section is always aligned at 8 bytes. */
2165 if (!bfd_set_section_alignment (abfd, got, 3))
2166 return 0;
2167
800eeca4
JW		 2168 flags = bfd_get_section_flags (abfd, got);
2169 bfd_set_section_flags (abfd, got, SEC_SMALL_DATA | flags);
2170 }
2171
2172 return got;
2173}
2174
2175/* Create function descriptor section (.opd). This section is called .opd
4cc11e76 2176 because it contains "official procedure descriptors". The "official"
800eeca4
JW		 2177 refers to the fact that these descriptors are used when taking the address
2178 of a procedure, thus ensuring a unique address for each procedure. */
2179
2180static asection *
2181get_fptr (abfd, info, ia64_info)
2182 bfd *abfd;
9203ba99 2183 struct bfd_link_info *info;
bbe66d08 2184 struct elfNN_ia64_link_hash_table *ia64_info;
800eeca4
JW		 2185{
2186 asection *fptr;
2187 bfd *dynobj;
2188
2189 fptr = ia64_info->fptr_sec;
2190 if (!fptr)
2191 {
2192 dynobj = ia64_info->root.dynobj;
2193 if (!dynobj)
2194 ia64_info->root.dynobj = dynobj = abfd;
2195
3496cb2a
L		 2196 fptr = bfd_make_section_with_flags (dynobj, ".opd",
2197 (SEC_ALLOC
2198 | SEC_LOAD
2199 | SEC_HAS_CONTENTS
2200 | SEC_IN_MEMORY
2201 | (info->pie ? 0 : SEC_READONLY)
2202 | SEC_LINKER_CREATED));
800eeca4 2203 if (!fptr
800eeca4
JW		 2204 || !bfd_set_section_alignment (abfd, fptr, 4))
2205 {
2206 BFD_ASSERT (0);
2207 return NULL;
2208 }
2209
2210 ia64_info->fptr_sec = fptr;
9203ba99
JJ		 2211
2212 if (info->pie)
2213 {
2214 asection *fptr_rel;
3496cb2a
L		 2215 fptr_rel = bfd_make_section_with_flags (dynobj, ".rela.opd",
2216 (SEC_ALLOC | SEC_LOAD
2217 | SEC_HAS_CONTENTS
2218 | SEC_IN_MEMORY
2219 | SEC_LINKER_CREATED
2220 | SEC_READONLY));
9203ba99 2221 if (fptr_rel == NULL
5a260b66
L		 2222 || !bfd_set_section_alignment (abfd, fptr_rel,
2223 LOG_SECTION_ALIGN))
9203ba99
JJ		 2224 {
2225 BFD_ASSERT (0);
2226 return NULL;
2227 }
2228
2229 ia64_info->rel_fptr_sec = fptr_rel;
2230 }
800eeca4
JW		 2231 }
2232
2233 return fptr;
2234}
2235
2236static asection *
2237get_pltoff (abfd, info, ia64_info)
2238 bfd *abfd;
64bf6ae6 2239 struct bfd_link_info *info ATTRIBUTE_UNUSED;
bbe66d08 2240 struct elfNN_ia64_link_hash_table *ia64_info;
800eeca4
JW		 2241{
2242 asection *pltoff;
2243 bfd *dynobj;
2244
2245 pltoff = ia64_info->pltoff_sec;
2246 if (!pltoff)
2247 {
2248 dynobj = ia64_info->root.dynobj;
2249 if (!dynobj)
2250 ia64_info->root.dynobj = dynobj = abfd;
2251
3496cb2a
L		 2252 pltoff = bfd_make_section_with_flags (dynobj,
2253 ELF_STRING_ia64_pltoff,
2254 (SEC_ALLOC
2255 | SEC_LOAD
2256 | SEC_HAS_CONTENTS
2257 | SEC_IN_MEMORY
2258 | SEC_SMALL_DATA
2259 | SEC_LINKER_CREATED));
800eeca4 2260 if (!pltoff
800eeca4
JW		 2261 || !bfd_set_section_alignment (abfd, pltoff, 4))
2262 {
2263 BFD_ASSERT (0);
2264 return NULL;
2265 }
2266
2267 ia64_info->pltoff_sec = pltoff;
2268 }
2269
2270 return pltoff;
2271}
2272
2273static asection *
2274get_reloc_section (abfd, ia64_info, sec, create)
2275 bfd *abfd;
bbe66d08 2276 struct elfNN_ia64_link_hash_table *ia64_info;
800eeca4 2277 asection *sec;
b34976b6 2278 bfd_boolean create;
800eeca4
JW		 2279{
2280 const char *srel_name;
2281 asection *srel;
2282 bfd *dynobj;
2283
2284 srel_name = (bfd_elf_string_from_elf_section
2285 (abfd, elf_elfheader(abfd)->e_shstrndx,
2286 elf_section_data(sec)->rel_hdr.sh_name));
2287 if (srel_name == NULL)
2288 return NULL;
2289
2290 BFD_ASSERT ((strncmp (srel_name, ".rela", 5) == 0
2291 && strcmp (bfd_get_section_name (abfd, sec),
2292 srel_name+5) == 0)
2293 || (strncmp (srel_name, ".rel", 4) == 0
2294 && strcmp (bfd_get_section_name (abfd, sec),
2295 srel_name+4) == 0));
2296
2297 dynobj = ia64_info->root.dynobj;
2298 if (!dynobj)
2299 ia64_info->root.dynobj = dynobj = abfd;
2300
2301 srel = bfd_get_section_by_name (dynobj, srel_name);
2302 if (srel == NULL && create)
2303 {
3496cb2a
L		 2304 srel = bfd_make_section_with_flags (dynobj, srel_name,
2305 (SEC_ALLOC | SEC_LOAD
2306 | SEC_HAS_CONTENTS
2307 | SEC_IN_MEMORY
2308 | SEC_LINKER_CREATED
2309 | SEC_READONLY));
800eeca4 2310 if (srel == NULL
5a260b66
L		 2311 || !bfd_set_section_alignment (dynobj, srel,
2312 LOG_SECTION_ALIGN))
800eeca4
JW		 2313 return NULL;
2314 }
2315
2316 return srel;
2317}
2318
b34976b6 2319static bfd_boolean
ac33696c
L		 2320count_dyn_reloc (bfd *abfd, struct elfNN_ia64_dyn_sym_info *dyn_i,
2321 asection *srel, int type, bfd_boolean reltext)
800eeca4 2322{
bbe66d08 2323 struct elfNN_ia64_dyn_reloc_entry *rent;
800eeca4
JW		 2324
2325 for (rent = dyn_i->reloc_entries; rent; rent = rent->next)
2326 if (rent->srel == srel && rent->type == type)
2327 break;
2328
2329 if (!rent)
2330 {
dc810e39
AM		 2331 rent = ((struct elfNN_ia64_dyn_reloc_entry *)
2332 bfd_alloc (abfd, (bfd_size_type) sizeof (*rent)));
800eeca4 2333 if (!rent)
b34976b6 2334 return FALSE;
800eeca4
JW		 2335
2336 rent->next = dyn_i->reloc_entries;
2337 rent->srel = srel;
2338 rent->type = type;
2339 rent->count = 0;
2340 dyn_i->reloc_entries = rent;
2341 }
ac33696c 2342 rent->reltext = reltext;
800eeca4
JW		 2343 rent->count++;
2344
b34976b6 2345 return TRUE;
800eeca4
JW		 2346}
2347
b34976b6 2348static bfd_boolean
bbe66d08 2349elfNN_ia64_check_relocs (abfd, info, sec, relocs)
800eeca4
JW		 2350 bfd *abfd;
2351 struct bfd_link_info *info;
2352 asection *sec;
2353 const Elf_Internal_Rela *relocs;
2354{
bbe66d08 2355 struct elfNN_ia64_link_hash_table *ia64_info;
800eeca4
JW		 2356 const Elf_Internal_Rela *relend;
2357 Elf_Internal_Shdr *symtab_hdr;
2358 const Elf_Internal_Rela *rel;
21a8f7fa 2359 asection *got, *fptr, *srel, *pltoff;
800eeca4 2360
1049f94e 2361 if (info->relocatable)
b34976b6 2362 return TRUE;
800eeca4
JW		 2363
2364 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
bbe66d08 2365 ia64_info = elfNN_ia64_hash_table (info);
800eeca4 2366
21a8f7fa 2367 got = fptr = srel = pltoff = NULL;
800eeca4
JW		 2368
2369 relend = relocs + sec->reloc_count;
2370 for (rel = relocs; rel < relend; ++rel)
2371 {
2372 enum {
2373 NEED_GOT = 1,
2c4c2bc0
RH		 2374 NEED_GOTX = 2,
2375 NEED_FPTR = 4,
2376 NEED_PLTOFF = 8,
2377 NEED_MIN_PLT = 16,
2378 NEED_FULL_PLT = 32,
2379 NEED_DYNREL = 64,
2380 NEED_LTOFF_FPTR = 128,
2381 NEED_TPREL = 256,
2382 NEED_DTPMOD = 512,
2383 NEED_DTPREL = 1024
800eeca4
JW		 2384 };
2385
2386 struct elf_link_hash_entry *h = NULL;
bbe66d08
JW		 2387 unsigned long r_symndx = ELFNN_R_SYM (rel->r_info);
2388 struct elfNN_ia64_dyn_sym_info *dyn_i;
800eeca4 2389 int need_entry;
b34976b6 2390 bfd_boolean maybe_dynamic;
64bf6ae6 2391 int dynrel_type = R_IA64_NONE;
800eeca4
JW		 2392
2393 if (r_symndx >= symtab_hdr->sh_info)
2394 {
2395 /* We're dealing with a global symbol -- find its hash entry
2396 and mark it as being referenced. */
2397 long indx = r_symndx - symtab_hdr->sh_info;
2398 h = elf_sym_hashes (abfd)[indx];
2399 while (h->root.type == bfd_link_hash_indirect
2400 || h->root.type == bfd_link_hash_warning)
2401 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2402
f5385ebf 2403 h->ref_regular = 1;
800eeca4
JW		 2404 }
2405
2406 /* We can only get preliminary data on whether a symbol is
2407 locally or externally defined, as not all of the input files
2408 have yet been processed. Do something with what we know, as
2409 this may help reduce memory usage and processing time later. */
b34976b6 2410 maybe_dynamic = FALSE;
9203ba99 2411 if (h && ((!info->executable
f5385ebf
AM		 2412 && (!info->symbolic
2413 || info->unresolved_syms_in_shared_libs == RM_IGNORE))
2414 || !h->def_regular
02e6ad56 2415 || h->root.type == bfd_link_hash_defweak))
b34976b6 2416 maybe_dynamic = TRUE;
800eeca4
JW		 2417
2418 need_entry = 0;
bbe66d08 2419 switch (ELFNN_R_TYPE (rel->r_info))
800eeca4 2420 {
800eeca4
JW		 2421 case R_IA64_TPREL64MSB:
2422 case R_IA64_TPREL64LSB:
13ae64f3
JJ		 2423 if (info->shared || maybe_dynamic)
2424 need_entry = NEED_DYNREL;
2425 dynrel_type = R_IA64_TPREL64LSB;
2426 if (info->shared)
2427 info->flags |= DF_STATIC_TLS;
2428 break;
2429
2430 case R_IA64_LTOFF_TPREL22:
2431 need_entry = NEED_TPREL;
2432 if (info->shared)
2433 info->flags |= DF_STATIC_TLS;
2434 break;
2435
5a260b66
L		 2436 case R_IA64_DTPREL32MSB:
2437 case R_IA64_DTPREL32LSB:
13ae64f3
JJ		 2438 case R_IA64_DTPREL64MSB:
2439 case R_IA64_DTPREL64LSB:
2440 if (info->shared || maybe_dynamic)
2441 need_entry = NEED_DYNREL;
5a260b66 2442 dynrel_type = R_IA64_DTPRELNNLSB;
13ae64f3
JJ		 2443 break;
2444
2445 case R_IA64_LTOFF_DTPREL22:
2446 need_entry = NEED_DTPREL;
2447 break;
2448
2449 case R_IA64_DTPMOD64MSB:
2450 case R_IA64_DTPMOD64LSB:
2451 if (info->shared || maybe_dynamic)
2452 need_entry = NEED_DYNREL;
2453 dynrel_type = R_IA64_DTPMOD64LSB;
2454 break;
2455
2456 case R_IA64_LTOFF_DTPMOD22:
2457 need_entry = NEED_DTPMOD;
2458 break;
800eeca4
JW		 2459
2460 case R_IA64_LTOFF_FPTR22:
2461 case R_IA64_LTOFF_FPTR64I:
a4bd8390
JW		 2462 case R_IA64_LTOFF_FPTR32MSB:
2463 case R_IA64_LTOFF_FPTR32LSB:
800eeca4
JW		 2464 case R_IA64_LTOFF_FPTR64MSB:
2465 case R_IA64_LTOFF_FPTR64LSB:
2466 need_entry = NEED_FPTR | NEED_GOT | NEED_LTOFF_FPTR;
2467 break;
2468
2469 case R_IA64_FPTR64I:
2470 case R_IA64_FPTR32MSB:
2471 case R_IA64_FPTR32LSB:
2472 case R_IA64_FPTR64MSB:
2473 case R_IA64_FPTR64LSB:
02e6ad56 2474 if (info->shared || h)
800eeca4
JW		 2475 need_entry = NEED_FPTR | NEED_DYNREL;
2476 else
2477 need_entry = NEED_FPTR;
5a260b66 2478 dynrel_type = R_IA64_FPTRNNLSB;
800eeca4
JW		 2479 break;
2480
2481 case R_IA64_LTOFF22:
800eeca4
JW		 2482 case R_IA64_LTOFF64I:
2483 need_entry = NEED_GOT;
2484 break;
2485
2c4c2bc0
RH		 2486 case R_IA64_LTOFF22X:
2487 need_entry = NEED_GOTX;
2488 break;
2489
800eeca4
JW		 2490 case R_IA64_PLTOFF22:
2491 case R_IA64_PLTOFF64I:
2492 case R_IA64_PLTOFF64MSB:
2493 case R_IA64_PLTOFF64LSB:
2494 need_entry = NEED_PLTOFF;
2495 if (h)
2496 {
2497 if (maybe_dynamic)
2498 need_entry |= NEED_MIN_PLT;
2499 }
2500 else
2501 {
2502 (*info->callbacks->warning)
2503 (info, _("@pltoff reloc against local symbol"), 0,
dc810e39 2504 abfd, 0, (bfd_vma) 0);
800eeca4
JW		 2505 }
2506 break;
2507
2508 case R_IA64_PCREL21B:
748abff6 2509 case R_IA64_PCREL60B:
800eeca4
JW		 2510 /* Depending on where this symbol is defined, we may or may not
2511 need a full plt entry. Only skip if we know we'll not need
2512 the entry -- static or symbolic, and the symbol definition
2513 has already been seen. */
2514 if (maybe_dynamic && rel->r_addend == 0)
2515 need_entry = NEED_FULL_PLT;
2516 break;
2517
2518 case R_IA64_IMM14:
2519 case R_IA64_IMM22:
2520 case R_IA64_IMM64:
2521 case R_IA64_DIR32MSB:
2522 case R_IA64_DIR32LSB:
2523 case R_IA64_DIR64MSB:
2524 case R_IA64_DIR64LSB:
2525 /* Shared objects will always need at least a REL relocation. */
02e6ad56 2526 if (info->shared || maybe_dynamic)
800eeca4 2527 need_entry = NEED_DYNREL;
5a260b66 2528 dynrel_type = R_IA64_DIRNNLSB;
800eeca4
JW		 2529 break;
2530
18b27f17
RH		 2531 case R_IA64_IPLTMSB:
2532 case R_IA64_IPLTLSB:
2533 /* Shared objects will always need at least a REL relocation. */
2534 if (info->shared || maybe_dynamic)
2535 need_entry = NEED_DYNREL;
2536 dynrel_type = R_IA64_IPLTLSB;
2537 break;
2538
748abff6
RH		 2539 case R_IA64_PCREL22:
2540 case R_IA64_PCREL64I:
800eeca4
JW		 2541 case R_IA64_PCREL32MSB:
2542 case R_IA64_PCREL32LSB:
2543 case R_IA64_PCREL64MSB:
2544 case R_IA64_PCREL64LSB:
2545 if (maybe_dynamic)
2546 need_entry = NEED_DYNREL;
5a260b66 2547 dynrel_type = R_IA64_PCRELNNLSB;
800eeca4
JW		 2548 break;
2549 }
2550
2551 if (!need_entry)
2552 continue;
2553
2554 if ((need_entry & NEED_FPTR) != 0
2555 && rel->r_addend)
2556 {
2557 (*info->callbacks->warning)
2558 (info, _("non-zero addend in @fptr reloc"), 0,
dc810e39 2559 abfd, 0, (bfd_vma) 0);
800eeca4
JW		 2560 }
2561
b34976b6 2562 dyn_i = get_dyn_sym_info (ia64_info, h, abfd, rel, TRUE);
800eeca4
JW		 2563
2564 /* Record whether or not this is a local symbol. */
2565 dyn_i->h = h;
2566
2567 /* Create what's needed. */
2c4c2bc0
RH		 2568 if (need_entry & (NEED_GOT | NEED_GOTX | NEED_TPREL
2569 | NEED_DTPMOD | NEED_DTPREL))
800eeca4
JW		 2570 {
2571 if (!got)
2572 {
2573 got = get_got (abfd, info, ia64_info);
2574 if (!got)
b34976b6 2575 return FALSE;
800eeca4 2576 }
13ae64f3
JJ		 2577 if (need_entry & NEED_GOT)
2578 dyn_i->want_got = 1;
2c4c2bc0
RH		 2579 if (need_entry & NEED_GOTX)
2580 dyn_i->want_gotx = 1;
13ae64f3
JJ		 2581 if (need_entry & NEED_TPREL)
2582 dyn_i->want_tprel = 1;
2583 if (need_entry & NEED_DTPMOD)
2584 dyn_i->want_dtpmod = 1;
2585 if (need_entry & NEED_DTPREL)
2586 dyn_i->want_dtprel = 1;
800eeca4
JW		 2587 }
2588 if (need_entry & NEED_FPTR)
2589 {
2590 if (!fptr)
2591 {
2592 fptr = get_fptr (abfd, info, ia64_info);
2593 if (!fptr)
b34976b6 2594 return FALSE;
800eeca4
JW		 2595 }
2596
2597 /* FPTRs for shared libraries are allocated by the dynamic
2598 linker. Make sure this local symbol will appear in the
2599 dynamic symbol table. */
02e6ad56 2600 if (!h && info->shared)
800eeca4 2601 {
c152c796 2602 if (! (bfd_elf_link_record_local_dynamic_symbol
dc810e39 2603 (info, abfd, (long) r_symndx)))
b34976b6 2604 return FALSE;
800eeca4
JW		 2605 }
2606
2607 dyn_i->want_fptr = 1;
2608 }
2609 if (need_entry & NEED_LTOFF_FPTR)
2610 dyn_i->want_ltoff_fptr = 1;
2611 if (need_entry & (NEED_MIN_PLT | NEED_FULL_PLT))
2612 {
2613 if (!ia64_info->root.dynobj)
2614 ia64_info->root.dynobj = abfd;
f5385ebf 2615 h->needs_plt = 1;
800eeca4
JW		 2616 dyn_i->want_plt = 1;
2617 }
2618 if (need_entry & NEED_FULL_PLT)
2619 dyn_i->want_plt2 = 1;
2620 if (need_entry & NEED_PLTOFF)
21a8f7fa
JW		 2621 {
2622 /* This is needed here, in case @pltoff is used in a non-shared
2623 link. */
2624 if (!pltoff)
2625 {
2626 pltoff = get_pltoff (abfd, info, ia64_info);
2627 if (!pltoff)
2628 return FALSE;
2629 }
f12123c0 2630
21a8f7fa
JW		 2631 dyn_i->want_pltoff = 1;
2632 }
800eeca4
JW		 2633 if ((need_entry & NEED_DYNREL) && (sec->flags & SEC_ALLOC))
2634 {
2635 if (!srel)
2636 {
b34976b6 2637 srel = get_reloc_section (abfd, ia64_info, sec, TRUE);
800eeca4 2638 if (!srel)
b34976b6 2639 return FALSE;
800eeca4 2640 }
ac33696c 2641 if (!count_dyn_reloc (abfd, dyn_i, srel, dynrel_type,
de9811af 2642 (sec->flags & SEC_READONLY) != 0))
b34976b6 2643 return FALSE;
800eeca4
JW		 2644 }
2645 }
2646
b34976b6 2647 return TRUE;
800eeca4
JW		 2648}
2649
800eeca4
JW		 2650/* For cleanliness, and potentially faster dynamic loading, allocate
2651 external GOT entries first. */
2652
b34976b6 2653static bfd_boolean
800eeca4 2654allocate_global_data_got (dyn_i, data)
bbe66d08 2655 struct elfNN_ia64_dyn_sym_info *dyn_i;
800eeca4
JW		 2656 PTR data;
2657{
bbe66d08 2658 struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
800eeca4 2659
2c4c2bc0 2660 if ((dyn_i->want_got || dyn_i->want_gotx)
800eeca4 2661 && ! dyn_i->want_fptr
986a241f 2662 && elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info, 0))
800eeca4
JW		 2663 {
2664 dyn_i->got_offset = x->ofs;
2665 x->ofs += 8;
2666 }
13ae64f3
JJ		 2667 if (dyn_i->want_tprel)
2668 {
2669 dyn_i->tprel_offset = x->ofs;
2670 x->ofs += 8;
2671 }
2672 if (dyn_i->want_dtpmod)
2673 {
986a241f 2674 if (elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info, 0))
b3dfd7fe
JJ		 2675 {
2676 dyn_i->dtpmod_offset = x->ofs;
2677 x->ofs += 8;
2678 }
2679 else
2680 {
2681 struct elfNN_ia64_link_hash_table *ia64_info;
2682
2683 ia64_info = elfNN_ia64_hash_table (x->info);
2684 if (ia64_info->self_dtpmod_offset == (bfd_vma) -1)
2685 {
2686 ia64_info->self_dtpmod_offset = x->ofs;
2687 x->ofs += 8;
2688 }
2689 dyn_i->dtpmod_offset = ia64_info->self_dtpmod_offset;
2690 }
13ae64f3
JJ		 2691 }
2692 if (dyn_i->want_dtprel)
2693 {
2694 dyn_i->dtprel_offset = x->ofs;
2695 x->ofs += 8;
2696 }
b34976b6 2697 return TRUE;
800eeca4
JW		 2698}
2699
2700/* Next, allocate all the GOT entries used by LTOFF_FPTR relocs. */
2701
b34976b6 2702static bfd_boolean
800eeca4 2703allocate_global_fptr_got (dyn_i, data)
bbe66d08 2704 struct elfNN_ia64_dyn_sym_info *dyn_i;
800eeca4
JW		 2705 PTR data;
2706{
bbe66d08 2707 struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
800eeca4
JW		 2708
2709 if (dyn_i->want_got
2710 && dyn_i->want_fptr
5a260b66 2711 && elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info, R_IA64_FPTRNNLSB))
800eeca4
JW		 2712 {
2713 dyn_i->got_offset = x->ofs;
2714 x->ofs += 8;
2715 }
b34976b6 2716 return TRUE;
800eeca4
JW		 2717}
2718
2719/* Lastly, allocate all the GOT entries for local data. */
2720
b34976b6 2721static bfd_boolean
800eeca4 2722allocate_local_got (dyn_i, data)
bbe66d08 2723 struct elfNN_ia64_dyn_sym_info *dyn_i;
800eeca4
JW		 2724 PTR data;
2725{
bbe66d08 2726 struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
800eeca4 2727
2c4c2bc0 2728 if ((dyn_i->want_got || dyn_i->want_gotx)
986a241f 2729 && !elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info, 0))
800eeca4
JW		 2730 {
2731 dyn_i->got_offset = x->ofs;
2732 x->ofs += 8;
2733 }
b34976b6 2734 return TRUE;
800eeca4
JW		 2735}
2736
2737/* Search for the index of a global symbol in it's defining object file. */
2738
dc810e39 2739static long
800eeca4
JW		 2740global_sym_index (h)
2741 struct elf_link_hash_entry *h;
2742{
2743 struct elf_link_hash_entry **p;
2744 bfd *obj;
2745
2746 BFD_ASSERT (h->root.type == bfd_link_hash_defined
2747 || h->root.type == bfd_link_hash_defweak);
2748
2749 obj = h->root.u.def.section->owner;
2750 for (p = elf_sym_hashes (obj); *p != h; ++p)
2751 continue;
2752
2753 return p - elf_sym_hashes (obj) + elf_tdata (obj)->symtab_hdr.sh_info;
2754}
2755
2756/* Allocate function descriptors. We can do these for every function
2757 in a main executable that is not exported. */
2758
b34976b6 2759static bfd_boolean
800eeca4 2760allocate_fptr (dyn_i, data)
bbe66d08 2761 struct elfNN_ia64_dyn_sym_info *dyn_i;
800eeca4
JW		 2762 PTR data;
2763{
bbe66d08 2764 struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
800eeca4
JW		 2765
2766 if (dyn_i->want_fptr)
2767 {
2768 struct elf_link_hash_entry *h = dyn_i->h;
3e932841 2769
800eeca4
JW		 2770 if (h)
2771 while (h->root.type == bfd_link_hash_indirect
2772 || h->root.type == bfd_link_hash_warning)
2773 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2774
02e6ad56
RH		 2775 if (!x->info->executable
2776 && (!h
2777 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2778 || h->root.type != bfd_link_hash_undefweak))
800eeca4
JW		 2779 {
2780 if (h && h->dynindx == -1)
2781 {
2782 BFD_ASSERT ((h->root.type == bfd_link_hash_defined)
2783 || (h->root.type == bfd_link_hash_defweak));
2784
c152c796 2785 if (!bfd_elf_link_record_local_dynamic_symbol
800eeca4
JW		 2786 (x->info, h->root.u.def.section->owner,
2787 global_sym_index (h)))
b34976b6 2788 return FALSE;
800eeca4
JW		 2789 }
2790
2791 dyn_i->want_fptr = 0;
2792 }
2793 else if (h == NULL || h->dynindx == -1)
2794 {
2795 dyn_i->fptr_offset = x->ofs;
2796 x->ofs += 16;
2797 }
2798 else
2799 dyn_i->want_fptr = 0;
2800 }
b34976b6 2801 return TRUE;
800eeca4
JW		 2802}
2803
2804/* Allocate all the minimal PLT entries. */
2805
b34976b6 2806static bfd_boolean
800eeca4 2807allocate_plt_entries (dyn_i, data)
bbe66d08 2808 struct elfNN_ia64_dyn_sym_info *dyn_i;
800eeca4
JW		 2809 PTR data;
2810{
bbe66d08 2811 struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
800eeca4
JW		 2812
2813 if (dyn_i->want_plt)
2814 {
2815 struct elf_link_hash_entry *h = dyn_i->h;
2816
2817 if (h)
2818 while (h->root.type == bfd_link_hash_indirect
2819 || h->root.type == bfd_link_hash_warning)
2820 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2821
f5385ebf 2822 /* ??? Versioned symbols seem to lose NEEDS_PLT. */
986a241f 2823 if (elfNN_ia64_dynamic_symbol_p (h, x->info, 0))
800eeca4
JW		 2824 {
2825 bfd_size_type offset = x->ofs;
2826 if (offset == 0)
2827 offset = PLT_HEADER_SIZE;
2828 dyn_i->plt_offset = offset;
2829 x->ofs = offset + PLT_MIN_ENTRY_SIZE;
2830
2831 dyn_i->want_pltoff = 1;
2832 }
2833 else
2834 {
2835 dyn_i->want_plt = 0;
2836 dyn_i->want_plt2 = 0;
2837 }
2838 }
b34976b6 2839 return TRUE;
800eeca4
JW		 2840}
2841
2842/* Allocate all the full PLT entries. */
2843
b34976b6 2844static bfd_boolean
800eeca4 2845allocate_plt2_entries (dyn_i, data)
bbe66d08 2846 struct elfNN_ia64_dyn_sym_info *dyn_i;
800eeca4
JW		 2847 PTR data;
2848{
bbe66d08 2849 struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
800eeca4
JW		 2850
2851 if (dyn_i->want_plt2)
2852 {
2853 struct elf_link_hash_entry *h = dyn_i->h;
2854 bfd_size_type ofs = x->ofs;
2855
2856 dyn_i->plt2_offset = ofs;
2857 x->ofs = ofs + PLT_FULL_ENTRY_SIZE;
2858
2859 while (h->root.type == bfd_link_hash_indirect
2860 || h->root.type == bfd_link_hash_warning)
2861 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2862 dyn_i->h->plt.offset = ofs;
2863 }
b34976b6 2864 return TRUE;
800eeca4
JW		 2865}
2866
2867/* Allocate all the PLTOFF entries requested by relocations and
2868 plt entries. We can't share space with allocated FPTR entries,
2869 because the latter are not necessarily addressable by the GP.
2870 ??? Relaxation might be able to determine that they are. */
2871
b34976b6 2872static bfd_boolean
800eeca4 2873allocate_pltoff_entries (dyn_i, data)
bbe66d08 2874 struct elfNN_ia64_dyn_sym_info *dyn_i;
800eeca4
JW		 2875 PTR data;
2876{
bbe66d08 2877 struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
800eeca4
JW		 2878
2879 if (dyn_i->want_pltoff)
2880 {
2881 dyn_i->pltoff_offset = x->ofs;
2882 x->ofs += 16;
2883 }
b34976b6 2884 return TRUE;
800eeca4
JW		 2885}
2886
2887/* Allocate dynamic relocations for those symbols that turned out
2888 to be dynamic. */
2889
b34976b6 2890static bfd_boolean
800eeca4 2891allocate_dynrel_entries (dyn_i, data)
bbe66d08 2892 struct elfNN_ia64_dyn_sym_info *dyn_i;
800eeca4
JW		 2893 PTR data;
2894{
bbe66d08
JW		 2895 struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
2896 struct elfNN_ia64_link_hash_table *ia64_info;
2897 struct elfNN_ia64_dyn_reloc_entry *rent;
ef5aade5 2898 bfd_boolean dynamic_symbol, shared, resolved_zero;
800eeca4 2899
bbe66d08 2900 ia64_info = elfNN_ia64_hash_table (x->info);
986a241f
RH		 2901
2902 /* Note that this can't be used in relation to FPTR relocs below. */
2903 dynamic_symbol = elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info, 0);
2904
800eeca4 2905 shared = x->info->shared;
ef5aade5
L		 2906 resolved_zero = (dyn_i->h
2907 && ELF_ST_VISIBILITY (dyn_i->h->other)
2908 && dyn_i->h->root.type == bfd_link_hash_undefweak);
800eeca4 2909
4a78a1f4
AS		 2910 /* Take care of the GOT and PLT relocations. */
2911
2912 if ((!resolved_zero
2913 && (dynamic_symbol || shared)
2914 && (dyn_i->want_got || dyn_i->want_gotx))
2915 || (dyn_i->want_ltoff_fptr
2916 && dyn_i->h
2917 && dyn_i->h->dynindx != -1))
2918 {
2919 if (!dyn_i->want_ltoff_fptr
2920 || !x->info->pie
2921 || dyn_i->h == NULL
2922 || dyn_i->h->root.type != bfd_link_hash_undefweak)
2923 ia64_info->rel_got_sec->size += sizeof (ElfNN_External_Rela);
2924 }
2925 if ((dynamic_symbol || shared) && dyn_i->want_tprel)
2926 ia64_info->rel_got_sec->size += sizeof (ElfNN_External_Rela);
2927 if (dynamic_symbol && dyn_i->want_dtpmod)
2928 ia64_info->rel_got_sec->size += sizeof (ElfNN_External_Rela);
2929 if (dynamic_symbol && dyn_i->want_dtprel)
2930 ia64_info->rel_got_sec->size += sizeof (ElfNN_External_Rela);
2931
2932 if (x->only_got)
2933 return TRUE;
2934
2935 if (ia64_info->rel_fptr_sec && dyn_i->want_fptr)
2936 {
2937 if (dyn_i->h == NULL || dyn_i->h->root.type != bfd_link_hash_undefweak)
2938 ia64_info->rel_fptr_sec->size += sizeof (ElfNN_External_Rela);
2939 }
2940
2941 if (!resolved_zero && dyn_i->want_pltoff)
2942 {
2943 bfd_size_type t = 0;
2944
2945 /* Dynamic symbols get one IPLT relocation. Local symbols in
2946 shared libraries get two REL relocations. Local symbols in
2947 main applications get nothing. */
2948 if (dynamic_symbol)
2949 t = sizeof (ElfNN_External_Rela);
2950 else if (shared)
2951 t = 2 * sizeof (ElfNN_External_Rela);
2952
2953 ia64_info->rel_pltoff_sec->size += t;
2954 }
2955
800eeca4
JW		 2956 /* Take care of the normal data relocations. */
2957
2958 for (rent = dyn_i->reloc_entries; rent; rent = rent->next)
2959 {
18b27f17
RH		 2960 int count = rent->count;
2961
800eeca4
JW		 2962 switch (rent->type)
2963 {
5a260b66 2964 case R_IA64_FPTR32LSB:
800eeca4 2965 case R_IA64_FPTR64LSB:
9203ba99
JJ		 2966 /* Allocate one iff !want_fptr and not PIE, which by this point
2967 will be true only if we're actually allocating one statically
2968 in the main executable. Position independent executables
2969 need a relative reloc. */
2970 if (dyn_i->want_fptr && !x->info->pie)
800eeca4
JW		 2971 continue;
2972 break;
5a260b66 2973 case R_IA64_PCREL32LSB:
800eeca4
JW		 2974 case R_IA64_PCREL64LSB:
2975 if (!dynamic_symbol)
2976 continue;
2977 break;
5a260b66 2978 case R_IA64_DIR32LSB:
800eeca4
JW		 2979 case R_IA64_DIR64LSB:
2980 if (!dynamic_symbol && !shared)
2981 continue;
2982 break;
18b27f17
RH		 2983 case R_IA64_IPLTLSB:
2984 if (!dynamic_symbol && !shared)
2985 continue;
2986 /* Use two REL relocations for IPLT relocations
2987 against local symbols. */
2988 if (!dynamic_symbol)
2989 count *= 2;
2990 break;
5a260b66 2991 case R_IA64_DTPREL32LSB:
13ae64f3
JJ		 2992 case R_IA64_TPREL64LSB:
2993 case R_IA64_DTPREL64LSB:
2994 case R_IA64_DTPMOD64LSB:
2995 break;
18b27f17
RH		 2996 default:
2997 abort ();
800eeca4 2998 }
ac33696c
L		 2999 if (rent->reltext)
3000 ia64_info->reltext = 1;
eea6121a 3001 rent->srel->size += sizeof (ElfNN_External_Rela) * count;
800eeca4
JW		 3002 }
3003
b34976b6 3004 return TRUE;
800eeca4
JW		 3005}
3006
b34976b6 3007static bfd_boolean
bbe66d08 3008elfNN_ia64_adjust_dynamic_symbol (info, h)
64bf6ae6 3009 struct bfd_link_info *info ATTRIBUTE_UNUSED;
800eeca4
JW		 3010 struct elf_link_hash_entry *h;
3011{
3012 /* ??? Undefined symbols with PLT entries should be re-defined
3013 to be the PLT entry. */
3014
3015 /* If this is a weak symbol, and there is a real definition, the
3016 processor independent code will have arranged for us to see the
3017 real definition first, and we can just use the same value. */
f6e332e6 3018 if (h->u.weakdef != NULL)
800eeca4 3019 {
f6e332e6
AM		 3020 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
3021 || h->u.weakdef->root.type == bfd_link_hash_defweak);
3022 h->root.u.def.section = h->u.weakdef->root.u.def.section;
3023 h->root.u.def.value = h->u.weakdef->root.u.def.value;
b34976b6 3024 return TRUE;
800eeca4
JW		 3025 }
3026
3027 /* If this is a reference to a symbol defined by a dynamic object which
3028 is not a function, we might allocate the symbol in our .dynbss section
3029 and allocate a COPY dynamic relocation.
3030
3031 But IA-64 code is canonically PIC, so as a rule we can avoid this sort
3032 of hackery. */
3033
b34976b6 3034 return TRUE;
800eeca4
JW		 3035}
3036
b34976b6 3037static bfd_boolean
bbe66d08 3038elfNN_ia64_size_dynamic_sections (output_bfd, info)
bb32e54f 3039 bfd *output_bfd ATTRIBUTE_UNUSED;
800eeca4
JW		 3040 struct bfd_link_info *info;
3041{
bbe66d08
JW		 3042 struct elfNN_ia64_allocate_data data;
3043 struct elfNN_ia64_link_hash_table *ia64_info;
800eeca4
JW		 3044 asection *sec;
3045 bfd *dynobj;
b34976b6 3046 bfd_boolean relplt = FALSE;
800eeca4
JW		 3047
3048 dynobj = elf_hash_table(info)->dynobj;
bbe66d08 3049 ia64_info = elfNN_ia64_hash_table (info);
b3dfd7fe 3050 ia64_info->self_dtpmod_offset = (bfd_vma) -1;
800eeca4
JW		 3051 BFD_ASSERT(dynobj != NULL);
3052 data.info = info;
3053
3054 /* Set the contents of the .interp section to the interpreter. */
3055 if (ia64_info->root.dynamic_sections_created
36af4a4e 3056 && info->executable)
800eeca4
JW		 3057 {
3058 sec = bfd_get_section_by_name (dynobj, ".interp");
3059 BFD_ASSERT (sec != NULL);
02e6ad56 3060 sec->contents = (bfd_byte *) ELF_DYNAMIC_INTERPRETER;
eea6121a 3061 sec->size = strlen (ELF_DYNAMIC_INTERPRETER) + 1;
800eeca4
JW		 3062 }
3063
800eeca4
JW		 3064 /* Allocate the GOT entries. */
3065
3066 if (ia64_info->got_sec)
3067 {
3068 data.ofs = 0;
bbe66d08
JW		 3069 elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_global_data_got, &data);
3070 elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_global_fptr_got, &data);
3071 elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_local_got, &data);
eea6121a 3072 ia64_info->got_sec->size = data.ofs;
800eeca4
JW		 3073 }
3074
3075 /* Allocate the FPTR entries. */
3076
3077 if (ia64_info->fptr_sec)
3078 {
3079 data.ofs = 0;
bbe66d08 3080 elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_fptr, &data);
eea6121a 3081 ia64_info->fptr_sec->size = data.ofs;
800eeca4
JW		 3082 }
3083
3084 /* Now that we've seen all of the input files, we can decide which
3085 symbols need plt entries. Allocate the minimal PLT entries first.
b34976b6 3086 We do this even though dynamic_sections_created may be FALSE, because
800eeca4
JW		 3087 this has the side-effect of clearing want_plt and want_plt2. */
3088
3089 data.ofs = 0;
bbe66d08 3090 elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_plt_entries, &data);
800eeca4
JW		 3091
3092 ia64_info->minplt_entries = 0;
3093 if (data.ofs)
3094 {
3095 ia64_info->minplt_entries
3096 = (data.ofs - PLT_HEADER_SIZE) / PLT_MIN_ENTRY_SIZE;
3097 }
3098
3099 /* Align the pointer for the plt2 entries. */
dc810e39 3100 data.ofs = (data.ofs + 31) & (bfd_vma) -32;
800eeca4 3101
bbe66d08 3102 elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_plt2_entries, &data);
a5a58ba4 3103 if (data.ofs != 0 || ia64_info->root.dynamic_sections_created)
800eeca4 3104 {
a5a58ba4
L		 3105 /* FIXME: we always reserve the memory for dynamic linker even if
3106 there are no PLT entries since dynamic linker may assume the
3107 reserved memory always exists. */
3108
800eeca4
JW		 3109 BFD_ASSERT (ia64_info->root.dynamic_sections_created);
3110
eea6121a 3111 ia64_info->plt_sec->size = data.ofs;
800eeca4
JW		 3112
3113 /* If we've got a .plt, we need some extra memory for the dynamic
3114 linker. We stuff these in .got.plt. */
3115 sec = bfd_get_section_by_name (dynobj, ".got.plt");
eea6121a 3116 sec->size = 8 * PLT_RESERVED_WORDS;
800eeca4
JW		 3117 }
3118
3119 /* Allocate the PLTOFF entries. */
3120
3121 if (ia64_info->pltoff_sec)
3122 {
3123 data.ofs = 0;
bbe66d08 3124 elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_pltoff_entries, &data);
eea6121a 3125 ia64_info->pltoff_sec->size = data.ofs;
800eeca4
JW		 3126 }
3127
3128 if (ia64_info->root.dynamic_sections_created)
3129 {
3130 /* Allocate space for the dynamic relocations that turned out to be
3131 required. */
3132
b3dfd7fe 3133 if (info->shared && ia64_info->self_dtpmod_offset != (bfd_vma) -1)
eea6121a 3134 ia64_info->rel_got_sec->size += sizeof (ElfNN_External_Rela);
4a78a1f4 3135 data.only_got = FALSE;
bbe66d08 3136 elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_dynrel_entries, &data);
800eeca4
JW		 3137 }
3138
3139 /* We have now determined the sizes of the various dynamic sections.
3140 Allocate memory for them. */
3141 for (sec = dynobj->sections; sec != NULL; sec = sec->next)
3142 {
b34976b6 3143 bfd_boolean strip;
800eeca4
JW		 3144
3145 if (!(sec->flags & SEC_LINKER_CREATED))
3146 continue;
3147
3148 /* If we don't need this section, strip it from the output file.
3149 There were several sections primarily related to dynamic
3150 linking that must be create before the linker maps input
3151 sections to output sections. The linker does that before
3152 bfd_elf_size_dynamic_sections is called, and it is that
3153 function which decides whether anything needs to go into
3154 these sections. */
3155
eea6121a 3156 strip = (sec->size == 0);
800eeca4
JW		 3157
3158 if (sec == ia64_info->got_sec)
b34976b6 3159 strip = FALSE;
800eeca4
JW		 3160 else if (sec == ia64_info->rel_got_sec)
3161 {
3162 if (strip)
3163 ia64_info->rel_got_sec = NULL;
3164 else
3165 /* We use the reloc_count field as a counter if we need to
3166 copy relocs into the output file. */
3167 sec->reloc_count = 0;
3168 }
3169 else if (sec == ia64_info->fptr_sec)
3170 {
3171 if (strip)
3172 ia64_info->fptr_sec = NULL;
3173 }
55936540
JW		 3174 else if (sec == ia64_info->rel_fptr_sec)
3175 {
3176 if (strip)
3177 ia64_info->rel_fptr_sec = NULL;
3178 else
3179 /* We use the reloc_count field as a counter if we need to
3180 copy relocs into the output file. */
3181 sec->reloc_count = 0;
3182 }
800eeca4
JW		 3183 else if (sec == ia64_info->plt_sec)
3184 {
3185 if (strip)
3186 ia64_info->plt_sec = NULL;
3187 }
3188 else if (sec == ia64_info->pltoff_sec)
3189 {
3190 if (strip)
3191 ia64_info->pltoff_sec = NULL;
3192 }
3193 else if (sec == ia64_info->rel_pltoff_sec)
3194 {
3195 if (strip)
3196 ia64_info->rel_pltoff_sec = NULL;
3197 else
3198 {
b34976b6 3199 relplt = TRUE;
800eeca4
JW		 3200 /* We use the reloc_count field as a counter if we need to
3201 copy relocs into the output file. */
3202 sec->reloc_count = 0;
3203 }
3204 }
3205 else
3206 {
3207 const char *name;
3208
3209 /* It's OK to base decisions on the section name, because none
3210 of the dynobj section names depend upon the input files. */
3211 name = bfd_get_section_name (dynobj, sec);
3212
3213 if (strcmp (name, ".got.plt") == 0)
b34976b6 3214 strip = FALSE;
800eeca4
JW		 3215 else if (strncmp (name, ".rel", 4) == 0)
3216 {
3217 if (!strip)
3218 {
800eeca4
JW		 3219 /* We use the reloc_count field as a counter if we need to
3220 copy relocs into the output file. */
3221 sec->reloc_count = 0;
3222 }
3223 }
3224 else
3225 continue;
3226 }
3227
3228 if (strip)
8423293d 3229 sec->flags |= SEC_EXCLUDE;
800eeca4
JW		 3230 else
3231 {
3232 /* Allocate memory for the section contents. */
eea6121a
AM		 3233 sec->contents = (bfd_byte *) bfd_zalloc (dynobj, sec->size);
3234 if (sec->contents == NULL && sec->size != 0)
b34976b6 3235 return FALSE;
800eeca4
JW		 3236 }
3237 }
3238
3239 if (elf_hash_table (info)->dynamic_sections_created)
3240 {
3241 /* Add some entries to the .dynamic section. We fill in the values
3242 later (in finish_dynamic_sections) but we must add the entries now
3243 so that we get the correct size for the .dynamic section. */
3244
36af4a4e 3245 if (info->executable)
800eeca4
JW		 3246 {
3247 /* The DT_DEBUG entry is filled in by the dynamic linker and used
3248 by the debugger. */
dc810e39 3249#define add_dynamic_entry(TAG, VAL) \
5a580b3a 3250 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
dc810e39
AM		 3251
3252 if (!add_dynamic_entry (DT_DEBUG, 0))
b34976b6 3253 return FALSE;
800eeca4
JW		 3254 }
3255
dc810e39 3256 if (!add_dynamic_entry (DT_IA_64_PLT_RESERVE, 0))
b34976b6 3257 return FALSE;
dc810e39 3258 if (!add_dynamic_entry (DT_PLTGOT, 0))
b34976b6 3259 return FALSE;
800eeca4
JW		 3260
3261 if (relplt)
3262 {
dc810e39
AM		 3263 if (!add_dynamic_entry (DT_PLTRELSZ, 0)
3264 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
3265 || !add_dynamic_entry (DT_JMPREL, 0))
b34976b6 3266 return FALSE;
800eeca4
JW		 3267 }
3268
dc810e39
AM		 3269 if (!add_dynamic_entry (DT_RELA, 0)
3270 || !add_dynamic_entry (DT_RELASZ, 0)
3271 || !add_dynamic_entry (DT_RELAENT, sizeof (ElfNN_External_Rela)))
b34976b6 3272 return FALSE;
800eeca4 3273
db6751f2 3274 if (ia64_info->reltext)
800eeca4 3275 {
dc810e39 3276 if (!add_dynamic_entry (DT_TEXTREL, 0))
b34976b6 3277 return FALSE;
d6cf2879 3278 info->flags |= DF_TEXTREL;
800eeca4
JW		 3279 }
3280 }
3281
3282 /* ??? Perhaps force __gp local. */
3283
b34976b6 3284 return TRUE;
800eeca4
JW		 3285}
3286
3287static bfd_reloc_status_type
bbb268c3 3288elfNN_ia64_install_value (hit_addr, v, r_type)
800eeca4 3289 bfd_byte *hit_addr;
1e738b87 3290 bfd_vma v;
800eeca4
JW		 3291 unsigned int r_type;
3292{
3293 const struct ia64_operand *op;
3294 int bigendian = 0, shift = 0;
b4677f03
AS		 3295 bfd_vma t0, t1, dword;
3296 ia64_insn insn;
800eeca4
JW		 3297 enum ia64_opnd opnd;
3298 const char *err;
3299 size_t size = 8;
1e738b87
NC		 3300#ifdef BFD_HOST_U_64_BIT
3301 BFD_HOST_U_64_BIT val = (BFD_HOST_U_64_BIT) v;
3302#else
3303 bfd_vma val = v;
3304#endif
800eeca4
JW		 3305
3306 opnd = IA64_OPND_NIL;
3307 switch (r_type)
3308 {
3309 case R_IA64_NONE:
3310 case R_IA64_LDXMOV:
3311 return bfd_reloc_ok;
3312
3e932841 3313 /* Instruction relocations. */
800eeca4 3314
13ae64f3
JJ		 3315 case R_IA64_IMM14:
3316 case R_IA64_TPREL14:
3317 case R_IA64_DTPREL14:
3318 opnd = IA64_OPND_IMM14;
3319 break;
748abff6 3320
800eeca4
JW		 3321 case R_IA64_PCREL21F: opnd = IA64_OPND_TGT25; break;
3322 case R_IA64_PCREL21M: opnd = IA64_OPND_TGT25b; break;
748abff6
RH		 3323 case R_IA64_PCREL60B: opnd = IA64_OPND_TGT64; break;
3324 case R_IA64_PCREL21B:
3325 case R_IA64_PCREL21BI:
3326 opnd = IA64_OPND_TGT25c;
3327 break;
800eeca4
JW		 3328
3329 case R_IA64_IMM22:
3330 case R_IA64_GPREL22:
3331 case R_IA64_LTOFF22:
3332 case R_IA64_LTOFF22X:
3333 case R_IA64_PLTOFF22:
748abff6 3334 case R_IA64_PCREL22:
800eeca4 3335 case R_IA64_LTOFF_FPTR22:
13ae64f3
JJ		 3336 case R_IA64_TPREL22:
3337 case R_IA64_DTPREL22:
3338 case R_IA64_LTOFF_TPREL22:
3339 case R_IA64_LTOFF_DTPMOD22:
3340 case R_IA64_LTOFF_DTPREL22:
800eeca4
JW		 3341 opnd = IA64_OPND_IMM22;
3342 break;
3343
3344 case R_IA64_IMM64:
3345 case R_IA64_GPREL64I:
3346 case R_IA64_LTOFF64I:
3347 case R_IA64_PLTOFF64I:
748abff6 3348 case R_IA64_PCREL64I:
800eeca4
JW		 3349 case R_IA64_FPTR64I:
3350 case R_IA64_LTOFF_FPTR64I:
13ae64f3
JJ		 3351 case R_IA64_TPREL64I:
3352 case R_IA64_DTPREL64I:
800eeca4
JW		 3353 opnd = IA64_OPND_IMMU64;
3354 break;
3355
3356 /* Data relocations. */
3357
3358 case R_IA64_DIR32MSB:
3359 case R_IA64_GPREL32MSB:
3360 case R_IA64_FPTR32MSB:
3361 case R_IA64_PCREL32MSB:
a4bd8390 3362 case R_IA64_LTOFF_FPTR32MSB:
800eeca4
JW		 3363 case R_IA64_SEGREL32MSB:
3364 case R_IA64_SECREL32MSB:
3365 case R_IA64_LTV32MSB:
13ae64f3 3366 case R_IA64_DTPREL32MSB:
800eeca4
JW		 3367 size = 4; bigendian = 1;
3368 break;
3369
3370 case R_IA64_DIR32LSB:
3371 case R_IA64_GPREL32LSB:
3372 case R_IA64_FPTR32LSB:
3373 case R_IA64_PCREL32LSB:
a4bd8390 3374 case R_IA64_LTOFF_FPTR32LSB:
800eeca4
JW		 3375 case R_IA64_SEGREL32LSB:
3376 case R_IA64_SECREL32LSB:
3377 case R_IA64_LTV32LSB:
13ae64f3 3378 case R_IA64_DTPREL32LSB:
800eeca4
JW		 3379 size = 4; bigendian = 0;
3380 break;
3381
3382 case R_IA64_DIR64MSB:
3383 case R_IA64_GPREL64MSB:
3384 case R_IA64_PLTOFF64MSB:
3385 case R_IA64_FPTR64MSB:
3386 case R_IA64_PCREL64MSB:
3387 case R_IA64_LTOFF_FPTR64MSB:
3388 case R_IA64_SEGREL64MSB:
3389 case R_IA64_SECREL64MSB:
3390 case R_IA64_LTV64MSB:
13ae64f3
JJ		 3391 case R_IA64_TPREL64MSB:
3392 case R_IA64_DTPMOD64MSB:
3393 case R_IA64_DTPREL64MSB:
800eeca4
JW		 3394 size = 8; bigendian = 1;
3395 break;
3396
3397 case R_IA64_DIR64LSB:
3398 case R_IA64_GPREL64LSB:
3399 case R_IA64_PLTOFF64LSB:
3400 case R_IA64_FPTR64LSB:
3401 case R_IA64_PCREL64LSB:
3402 case R_IA64_LTOFF_FPTR64LSB:
3403 case R_IA64_SEGREL64LSB:
3404 case R_IA64_SECREL64LSB:
3405 case R_IA64_LTV64LSB:
13ae64f3
JJ		 3406 case R_IA64_TPREL64LSB:
3407 case R_IA64_DTPMOD64LSB:
3408 case R_IA64_DTPREL64LSB:
800eeca4
JW		 3409 size = 8; bigendian = 0;
3410 break;
3411
3412 /* Unsupported / Dynamic relocations. */
800eeca4
JW		 3413 default:
3414 return bfd_reloc_notsupported;
3415 }
3416
3417 switch (opnd)
3418 {
3419 case IA64_OPND_IMMU64:
3420 hit_addr -= (long) hit_addr & 0x3;
bbb268c3
JW		 3421 t0 = bfd_getl64 (hit_addr);
3422 t1 = bfd_getl64 (hit_addr + 8);
800eeca4
JW		 3423
3424 /* tmpl/s: bits 0.. 5 in t0
3425 slot 0: bits 5..45 in t0
3426 slot 1: bits 46..63 in t0, bits 0..22 in t1
3427 slot 2: bits 23..63 in t1 */
3428
3429 /* First, clear the bits that form the 64 bit constant. */
3430 t0 &= ~(0x3ffffLL << 46);
3431 t1 &= ~(0x7fffffLL
3432 | (( (0x07fLL << 13) | (0x1ffLL << 27)
3433 | (0x01fLL << 22) | (0x001LL << 21)
3434 | (0x001LL << 36)) << 23));
3435
3436 t0 |= ((val >> 22) & 0x03ffffLL) << 46; /* 18 lsbs of imm41 */
3437 t1 |= ((val >> 40) & 0x7fffffLL) << 0; /* 23 msbs of imm41 */
3438 t1 |= ( (((val >> 0) & 0x07f) << 13) /* imm7b */
3439 | (((val >> 7) & 0x1ff) << 27) /* imm9d */
3440 | (((val >> 16) & 0x01f) << 22) /* imm5c */
3441 | (((val >> 21) & 0x001) << 21) /* ic */
3442 | (((val >> 63) & 0x001) << 36)) << 23; /* i */
3443
bbb268c3
JW		 3444 bfd_putl64 (t0, hit_addr);
3445 bfd_putl64 (t1, hit_addr + 8);
800eeca4
JW		 3446 break;
3447
748abff6
RH		 3448 case IA64_OPND_TGT64:
3449 hit_addr -= (long) hit_addr & 0x3;
bbb268c3
JW		 3450 t0 = bfd_getl64 (hit_addr);
3451 t1 = bfd_getl64 (hit_addr + 8);
748abff6
RH		 3452
3453 /* tmpl/s: bits 0.. 5 in t0
3454 slot 0: bits 5..45 in t0
3455 slot 1: bits 46..63 in t0, bits 0..22 in t1
3456 slot 2: bits 23..63 in t1 */
3457
3458 /* First, clear the bits that form the 64 bit constant. */
3459 t0 &= ~(0x3ffffLL << 46);
3460 t1 &= ~(0x7fffffLL
3461 | ((1LL << 36 | 0xfffffLL << 13) << 23));
3462
3463 val >>= 4;
3464 t0 |= ((val >> 20) & 0xffffLL) << 2 << 46; /* 16 lsbs of imm39 */
3465 t1 |= ((val >> 36) & 0x7fffffLL) << 0; /* 23 msbs of imm39 */
3466 t1 |= ((((val >> 0) & 0xfffffLL) << 13) /* imm20b */
3467 | (((val >> 59) & 0x1LL) << 36)) << 23; /* i */
3468
bbb268c3
JW		 3469 bfd_putl64 (t0, hit_addr);
3470 bfd_putl64 (t1, hit_addr + 8);
748abff6
RH		 3471 break;
3472
800eeca4
JW		 3473 default:
3474 switch ((long) hit_addr & 0x3)
3475 {
3476 case 0: shift = 5; break;
3477 case 1: shift = 14; hit_addr += 3; break;
3478 case 2: shift = 23; hit_addr += 6; break;
3e932841 3479 case 3: return bfd_reloc_notsupported; /* shouldn't happen... */
800eeca4 3480 }
bbb268c3 3481 dword = bfd_getl64 (hit_addr);
800eeca4
JW		 3482 insn = (dword >> shift) & 0x1ffffffffffLL;
3483
3484 op = elf64_ia64_operands + opnd;
b4677f03 3485 err = (*op->insert) (op, val, &insn);
800eeca4
JW		 3486 if (err)
3487 return bfd_reloc_overflow;
3488
3489 dword &= ~(0x1ffffffffffLL << shift);
3490 dword |= (insn << shift);
bbb268c3 3491 bfd_putl64 (dword, hit_addr);
800eeca4
JW		 3492 break;
3493
3494 case IA64_OPND_NIL:
3495 /* A data relocation. */
3496 if (bigendian)
3497 if (size == 4)
3498 bfd_putb32 (val, hit_addr);
3499 else
3500 bfd_putb64 (val, hit_addr);
3501 else
3502 if (size == 4)
3503 bfd_putl32 (val, hit_addr);
3504 else
3505 bfd_putl64 (val, hit_addr);
3506 break;
3507 }
3508
3509 return bfd_reloc_ok;
3510}
3511
3512static void
bbe66d08 3513elfNN_ia64_install_dyn_reloc (abfd, info, sec, srel, offset, type,
800eeca4
JW		 3514 dynindx, addend)
3515 bfd *abfd;
3516 struct bfd_link_info *info;
3517 asection *sec;
3518 asection *srel;
3519 bfd_vma offset;
3520 unsigned int type;
3521 long dynindx;
3522 bfd_vma addend;
3523{
3524 Elf_Internal_Rela outrel;
947216bf 3525 bfd_byte *loc;
800eeca4 3526
800eeca4 3527 BFD_ASSERT (dynindx != -1);
bbe66d08 3528 outrel.r_info = ELFNN_R_INFO (dynindx, type);
800eeca4 3529 outrel.r_addend = addend;
c629eae0 3530 outrel.r_offset = _bfd_elf_section_offset (abfd, info, sec, offset);
99eb2ac8 3531 if (outrel.r_offset >= (bfd_vma) -2)
800eeca4 3532 {
c629eae0
JJ		 3533 /* Run for the hills. We shouldn't be outputting a relocation
3534 for this. So do what everyone else does and output a no-op. */
3535 outrel.r_info = ELFNN_R_INFO (0, R_IA64_NONE);
3536 outrel.r_addend = 0;
3537 outrel.r_offset = 0;
800eeca4 3538 }
99eb2ac8
AM		 3539 else
3540 outrel.r_offset += sec->output_section->vma + sec->output_offset;
800eeca4 3541
947216bf
AM		 3542 loc = srel->contents;
3543 loc += srel->reloc_count++ * sizeof (ElfNN_External_Rela);
3544 bfd_elfNN_swap_reloca_out (abfd, &outrel, loc);
eea6121a 3545 BFD_ASSERT (sizeof (ElfNN_External_Rela) * srel->reloc_count <= srel->size);
800eeca4
JW		 3546}
3547
3548/* Store an entry for target address TARGET_ADDR in the linkage table
3549 and return the gp-relative address of the linkage table entry. */
3550
3551static bfd_vma
3552set_got_entry (abfd, info, dyn_i, dynindx, addend, value, dyn_r_type)
3553 bfd *abfd;
3554 struct bfd_link_info *info;
bbe66d08 3555 struct elfNN_ia64_dyn_sym_info *dyn_i;
800eeca4
JW		 3556 long dynindx;
3557 bfd_vma addend;
3558 bfd_vma value;
3559 unsigned int dyn_r_type;
3560{
bbe66d08 3561 struct elfNN_ia64_link_hash_table *ia64_info;
800eeca4 3562 asection *got_sec;
b34976b6 3563 bfd_boolean done;
13ae64f3 3564 bfd_vma got_offset;
800eeca4 3565
bbe66d08 3566 ia64_info = elfNN_ia64_hash_table (info);
800eeca4
JW		 3567 got_sec = ia64_info->got_sec;
3568
13ae64f3 3569 switch (dyn_r_type)
800eeca4 3570 {
13ae64f3
JJ		 3571 case R_IA64_TPREL64LSB:
3572 done = dyn_i->tprel_done;
b34976b6 3573 dyn_i->tprel_done = TRUE;
13ae64f3
JJ		 3574 got_offset = dyn_i->tprel_offset;
3575 break;
3576 case R_IA64_DTPMOD64LSB:
b3dfd7fe
JJ		 3577 if (dyn_i->dtpmod_offset != ia64_info->self_dtpmod_offset)
3578 {
3579 done = dyn_i->dtpmod_done;
3580 dyn_i->dtpmod_done = TRUE;
3581 }
3582 else
3583 {
3584 done = ia64_info->self_dtpmod_done;
3585 ia64_info->self_dtpmod_done = TRUE;
3586 dynindx = 0;
3587 }
13ae64f3
JJ		 3588 got_offset = dyn_i->dtpmod_offset;
3589 break;
5a260b66 3590 case R_IA64_DTPREL32LSB:
13ae64f3
JJ		 3591 case R_IA64_DTPREL64LSB:
3592 done = dyn_i->dtprel_done;
b34976b6 3593 dyn_i->dtprel_done = TRUE;
13ae64f3
JJ		 3594 got_offset = dyn_i->dtprel_offset;
3595 break;
3596 default:
3597 done = dyn_i->got_done;
b34976b6 3598 dyn_i->got_done = TRUE;
13ae64f3
JJ		 3599 got_offset = dyn_i->got_offset;
3600 break;
3601 }
800eeca4 3602
13ae64f3
JJ		 3603 BFD_ASSERT ((got_offset & 7) == 0);
3604
3605 if (! done)
3606 {
800eeca4 3607 /* Store the target address in the linkage table entry. */
13ae64f3 3608 bfd_put_64 (abfd, value, got_sec->contents + got_offset);
800eeca4
JW		 3609
3610 /* Install a dynamic relocation if needed. */
9203ba99
JJ		 3611 if (((info->shared
3612 && (!dyn_i->h
3613 || ELF_ST_VISIBILITY (dyn_i->h->other) == STV_DEFAULT
3614 || dyn_i->h->root.type != bfd_link_hash_undefweak)
5a260b66 3615 && dyn_r_type != R_IA64_DTPREL32LSB
9203ba99 3616 && dyn_r_type != R_IA64_DTPREL64LSB)
986a241f 3617 || elfNN_ia64_dynamic_symbol_p (dyn_i->h, info, dyn_r_type)
5a260b66
L		 3618 || (dynindx != -1
3619 && (dyn_r_type == R_IA64_FPTR32LSB
3620 || dyn_r_type == R_IA64_FPTR64LSB)))
9203ba99
JJ		 3621 && (!dyn_i->want_ltoff_fptr
3622 || !info->pie
3623 || !dyn_i->h
3624 || dyn_i->h->root.type != bfd_link_hash_undefweak))
800eeca4 3625 {
13ae64f3
JJ		 3626 if (dynindx == -1
3627 && dyn_r_type != R_IA64_TPREL64LSB
3628 && dyn_r_type != R_IA64_DTPMOD64LSB
5a260b66 3629 && dyn_r_type != R_IA64_DTPREL32LSB
13ae64f3 3630 && dyn_r_type != R_IA64_DTPREL64LSB)
800eeca4 3631 {
5a260b66 3632 dyn_r_type = R_IA64_RELNNLSB;
800eeca4
JW		 3633 dynindx = 0;
3634 addend = value;
3635 }
3636
3637 if (bfd_big_endian (abfd))
3638 {
3639 switch (dyn_r_type)
3640 {
5a260b66
L		 3641 case R_IA64_REL32LSB:
3642 dyn_r_type = R_IA64_REL32MSB;
3643 break;
3644 case R_IA64_DIR32LSB:
3645 dyn_r_type = R_IA64_DIR32MSB;
3646 break;
3647 case R_IA64_FPTR32LSB:
3648 dyn_r_type = R_IA64_FPTR32MSB;
3649 break;
3650 case R_IA64_DTPREL32LSB:
3651 dyn_r_type = R_IA64_DTPREL32MSB;
3652 break;
800eeca4
JW		 3653 case R_IA64_REL64LSB:
3654 dyn_r_type = R_IA64_REL64MSB;
3655 break;
3656 case R_IA64_DIR64LSB:
3657 dyn_r_type = R_IA64_DIR64MSB;
3658 break;
3659 case R_IA64_FPTR64LSB:
3660 dyn_r_type = R_IA64_FPTR64MSB;
3661 break;
13ae64f3
JJ		 3662 case R_IA64_TPREL64LSB:
3663 dyn_r_type = R_IA64_TPREL64MSB;
3664 break;
3665 case R_IA64_DTPMOD64LSB:
3666 dyn_r_type = R_IA64_DTPMOD64MSB;
3667 break;
3668 case R_IA64_DTPREL64LSB:
3669 dyn_r_type = R_IA64_DTPREL64MSB;
3670 break;
800eeca4 3671 default:
b34976b6 3672 BFD_ASSERT (FALSE);
800eeca4
JW		 3673 break;
3674 }
3675 }
3676
bbe66d08 3677 elfNN_ia64_install_dyn_reloc (abfd, NULL, got_sec,
800eeca4 3678 ia64_info->rel_got_sec,
13ae64f3 3679 got_offset, dyn_r_type,
800eeca4
JW		 3680 dynindx, addend);
3681 }
3682 }
3683
3684 /* Return the address of the linkage table entry. */
3685 value = (got_sec->output_section->vma
3686 + got_sec->output_offset
13ae64f3 3687 + got_offset);
800eeca4
JW		 3688
3689 return value;
3690}
3691
3692/* Fill in a function descriptor consisting of the function's code
3693 address and its global pointer. Return the descriptor's address. */
3694
3695static bfd_vma
3696set_fptr_entry (abfd, info, dyn_i, value)
3697 bfd *abfd;
3698 struct bfd_link_info *info;
bbe66d08 3699 struct elfNN_ia64_dyn_sym_info *dyn_i;
800eeca4
JW		 3700 bfd_vma value;
3701{
bbe66d08 3702 struct elfNN_ia64_link_hash_table *ia64_info;
800eeca4
JW		 3703 asection *fptr_sec;
3704
bbe66d08 3705 ia64_info = elfNN_ia64_hash_table (info);
800eeca4
JW		 3706 fptr_sec = ia64_info->fptr_sec;
3707
3708 if (!dyn_i->fptr_done)
3709 {
3710 dyn_i->fptr_done = 1;
3711
3712 /* Fill in the function descriptor. */
3713 bfd_put_64 (abfd, value, fptr_sec->contents + dyn_i->fptr_offset);
3714 bfd_put_64 (abfd, _bfd_get_gp_value (abfd),
3715 fptr_sec->contents + dyn_i->fptr_offset + 8);
9203ba99
JJ		 3716 if (ia64_info->rel_fptr_sec)
3717 {
3718 Elf_Internal_Rela outrel;
3719 bfd_byte *loc;
3720
3721 if (bfd_little_endian (abfd))
3722 outrel.r_info = ELFNN_R_INFO (0, R_IA64_IPLTLSB);
3723 else
3724 outrel.r_info = ELFNN_R_INFO (0, R_IA64_IPLTMSB);
3725 outrel.r_addend = value;
3726 outrel.r_offset = (fptr_sec->output_section->vma
3727 + fptr_sec->output_offset
3728 + dyn_i->fptr_offset);
3729 loc = ia64_info->rel_fptr_sec->contents;
3730 loc += ia64_info->rel_fptr_sec->reloc_count++
3731 * sizeof (ElfNN_External_Rela);
3732 bfd_elfNN_swap_reloca_out (abfd, &outrel, loc);
3733 }
800eeca4
JW		 3734 }
3735
3736 /* Return the descriptor's address. */
3737 value = (fptr_sec->output_section->vma
3738 + fptr_sec->output_offset
3739 + dyn_i->fptr_offset);
3740
3741 return value;
3742}
3743
3744/* Fill in a PLTOFF entry consisting of the function's code address
3745 and its global pointer. Return the descriptor's address. */
3746
3747static bfd_vma
3748set_pltoff_entry (abfd, info, dyn_i, value, is_plt)
3749 bfd *abfd;
3750 struct bfd_link_info *info;
bbe66d08 3751 struct elfNN_ia64_dyn_sym_info *dyn_i;
800eeca4 3752 bfd_vma value;
b34976b6 3753 bfd_boolean is_plt;
800eeca4 3754{
bbe66d08 3755 struct elfNN_ia64_link_hash_table *ia64_info;
800eeca4
JW		 3756 asection *pltoff_sec;
3757
bbe66d08 3758 ia64_info = elfNN_ia64_hash_table (info);
800eeca4
JW		 3759 pltoff_sec = ia64_info->pltoff_sec;
3760
3761 /* Don't do anything if this symbol uses a real PLT entry. In
3762 that case, we'll fill this in during finish_dynamic_symbol. */
3763 if ((! dyn_i->want_plt || is_plt)
3764 && !dyn_i->pltoff_done)
3765 {
18b27f17
RH		 3766 bfd_vma gp = _bfd_get_gp_value (abfd);
3767
800eeca4
JW		 3768 /* Fill in the function descriptor. */
3769 bfd_put_64 (abfd, value, pltoff_sec->contents + dyn_i->pltoff_offset);
18b27f17 3770 bfd_put_64 (abfd, gp, pltoff_sec->contents + dyn_i->pltoff_offset + 8);
800eeca4
JW		 3771
3772 /* Install dynamic relocations if needed. */
ef5aade5
L		 3773 if (!is_plt
3774 && info->shared
3775 && (!dyn_i->h
3776 || ELF_ST_VISIBILITY (dyn_i->h->other) == STV_DEFAULT
3777 || dyn_i->h->root.type != bfd_link_hash_undefweak))
800eeca4
JW		 3778 {
3779 unsigned int dyn_r_type;
3780
3781 if (bfd_big_endian (abfd))
5a260b66 3782 dyn_r_type = R_IA64_RELNNMSB;
800eeca4 3783 else
5a260b66 3784 dyn_r_type = R_IA64_RELNNLSB;
800eeca4 3785
bbe66d08 3786 elfNN_ia64_install_dyn_reloc (abfd, NULL, pltoff_sec,
800eeca4
JW		 3787 ia64_info->rel_pltoff_sec,
3788 dyn_i->pltoff_offset,
18b27f17 3789 dyn_r_type, 0, value);
bbe66d08 3790 elfNN_ia64_install_dyn_reloc (abfd, NULL, pltoff_sec,
800eeca4 3791 ia64_info->rel_pltoff_sec,
5a260b66 3792 dyn_i->pltoff_offset + ARCH_SIZE / 8,
18b27f17 3793 dyn_r_type, 0, gp);
800eeca4
JW		 3794 }
3795
3796 dyn_i->pltoff_done = 1;
3797 }
3798
3799 /* Return the descriptor's address. */
3800 value = (pltoff_sec->output_section->vma
3801 + pltoff_sec->output_offset
3802 + dyn_i->pltoff_offset);
3803
3804 return value;
3805}
3806
13ae64f3
JJ		 3807/* Return the base VMA address which should be subtracted from real addresses
3808 when resolving @tprel() relocation.
3809 Main program TLS (whose template starts at PT_TLS p_vaddr)
5a260b66 3810 is assigned offset round(2 * size of pointer, PT_TLS p_align). */
13ae64f3
JJ		 3811
3812static bfd_vma
3813elfNN_ia64_tprel_base (info)
3814 struct bfd_link_info *info;
3815{
e1918d23 3816 asection *tls_sec = elf_hash_table (info)->tls_sec;
13ae64f3 3817
e1918d23 3818 BFD_ASSERT (tls_sec != NULL);
5a260b66
L		 3819 return tls_sec->vma - align_power ((bfd_vma) ARCH_SIZE / 4,
3820 tls_sec->alignment_power);
13ae64f3
JJ		 3821}
3822
3823/* Return the base VMA address which should be subtracted from real addresses
3824 when resolving @dtprel() relocation.
3825 This is PT_TLS segment p_vaddr. */
3826
3827static bfd_vma
3828elfNN_ia64_dtprel_base (info)
3829 struct bfd_link_info *info;
3830{
e1918d23
AM		 3831 BFD_ASSERT (elf_hash_table (info)->tls_sec != NULL);
3832 return elf_hash_table (info)->tls_sec->vma;
13ae64f3
JJ		 3833}
3834
f3b6f7c3 3835/* Called through qsort to sort the .IA_64.unwind section during a
bbe66d08 3836 non-relocatable link. Set elfNN_ia64_unwind_entry_compare_bfd
f3b6f7c3
RH		 3837 to the output bfd so we can do proper endianness frobbing. */
3838
bbe66d08 3839static bfd *elfNN_ia64_unwind_entry_compare_bfd;
f3b6f7c3
RH		 3840
3841static int
bbe66d08 3842elfNN_ia64_unwind_entry_compare (a, b)
cea4409c
AM		 3843 const PTR a;
3844 const PTR b;
f3b6f7c3
RH		 3845{
3846 bfd_vma av, bv;
3847
bbe66d08
JW		 3848 av = bfd_get_64 (elfNN_ia64_unwind_entry_compare_bfd, a);
3849 bv = bfd_get_64 (elfNN_ia64_unwind_entry_compare_bfd, b);
f3b6f7c3
RH		 3850
3851 return (av < bv ? -1 : av > bv ? 1 : 0);
3852}
3853
2c4c2bc0 3854/* Make sure we've got ourselves a nice fat __gp value. */
b34976b6 3855static bfd_boolean
2c4c2bc0 3856elfNN_ia64_choose_gp (abfd, info)
800eeca4
JW		 3857 bfd *abfd;
3858 struct bfd_link_info *info;
3859{
2c4c2bc0
RH		 3860 bfd_vma min_vma = (bfd_vma) -1, max_vma = 0;
3861 bfd_vma min_short_vma = min_vma, max_short_vma = 0;
3862 struct elf_link_hash_entry *gp;
3863 bfd_vma gp_val;
3864 asection *os;
bbe66d08 3865 struct elfNN_ia64_link_hash_table *ia64_info;
9a951beb 3866
bbe66d08 3867 ia64_info = elfNN_ia64_hash_table (info);
800eeca4 3868
2c4c2bc0
RH		 3869 /* Find the min and max vma of all sections marked short. Also collect
3870 min and max vma of any type, for use in selecting a nice gp. */
3871 for (os = abfd->sections; os ; os = os->next)
800eeca4 3872 {
2c4c2bc0 3873 bfd_vma lo, hi;
800eeca4 3874
2c4c2bc0
RH		 3875 if ((os->flags & SEC_ALLOC) == 0)
3876 continue;
3877
3878 lo = os->vma;
eea6121a 3879 hi = os->vma + os->size;
2c4c2bc0
RH		 3880 if (hi < lo)
3881 hi = (bfd_vma) -1;
3882
3883 if (min_vma > lo)
3884 min_vma = lo;
3885 if (max_vma < hi)
3886 max_vma = hi;
3887 if (os->flags & SEC_SMALL_DATA)
800eeca4 3888 {
2c4c2bc0
RH		 3889 if (min_short_vma > lo)
3890 min_short_vma = lo;
3891 if (max_short_vma < hi)
3892 max_short_vma = hi;
3893 }
3894 }
800eeca4 3895
2c4c2bc0
RH		 3896 /* See if the user wants to force a value. */
3897 gp = elf_link_hash_lookup (elf_hash_table (info), "__gp", FALSE,
3898 FALSE, FALSE);
800eeca4 3899
2c4c2bc0
RH		 3900 if (gp
3901 && (gp->root.type == bfd_link_hash_defined
3902 || gp->root.type == bfd_link_hash_defweak))
3903 {
3904 asection *gp_sec = gp->root.u.def.section;
3905 gp_val = (gp->root.u.def.value
3906 + gp_sec->output_section->vma
3907 + gp_sec->output_offset);
3908 }
3909 else
3910 {
3911 /* Pick a sensible value. */
800eeca4 3912
2c4c2bc0
RH		 3913 asection *got_sec = ia64_info->got_sec;
3914
3915 /* Start with just the address of the .got. */
3916 if (got_sec)
3917 gp_val = got_sec->output_section->vma;
3918 else if (max_short_vma != 0)
3919 gp_val = min_short_vma;
3920 else
3921 gp_val = min_vma;
3922
3923 /* If it is possible to address the entire image, but we
3924 don't with the choice above, adjust. */
3925 if (max_vma - min_vma < 0x400000
3926 && max_vma - gp_val <= 0x200000
3927 && gp_val - min_vma > 0x200000)
3928 gp_val = min_vma + 0x200000;
3929 else if (max_short_vma != 0)
3930 {
3931 /* If we don't cover all the short data, adjust. */
3932 if (max_short_vma - gp_val >= 0x200000)
3933 gp_val = min_short_vma + 0x200000;
3934
3935 /* If we're addressing stuff past the end, adjust back. */
3936 if (gp_val > max_vma)
3937 gp_val = max_vma - 0x200000 + 8;
800eeca4 3938 }
2c4c2bc0 3939 }
800eeca4 3940
2c4c2bc0
RH		 3941 /* Validate whether all SHF_IA_64_SHORT sections are within
3942 range of the chosen GP. */
800eeca4 3943
2c4c2bc0
RH		 3944 if (max_short_vma != 0)
3945 {
3946 if (max_short_vma - min_short_vma >= 0x400000)
800eeca4 3947 {
2c4c2bc0
RH		 3948 (*_bfd_error_handler)
3949 (_("%s: short data segment overflowed (0x%lx >= 0x400000)"),
3950 bfd_get_filename (abfd),
3951 (unsigned long) (max_short_vma - min_short_vma));
3952 return FALSE;
800eeca4 3953 }
2c4c2bc0
RH		 3954 else if ((gp_val > min_short_vma
3955 && gp_val - min_short_vma > 0x200000)
3956 || (gp_val < max_short_vma
3957 && max_short_vma - gp_val >= 0x200000))
800eeca4 3958 {
2c4c2bc0
RH		 3959 (*_bfd_error_handler)
3960 (_("%s: __gp does not cover short data segment"),
3961 bfd_get_filename (abfd));
3962 return FALSE;
3963 }
3964 }
800eeca4 3965
2c4c2bc0 3966 _bfd_set_gp_value (abfd, gp_val);
800eeca4 3967
2c4c2bc0
RH		 3968 return TRUE;
3969}
800eeca4 3970
2c4c2bc0
RH		 3971static bfd_boolean
3972elfNN_ia64_final_link (abfd, info)
3973 bfd *abfd;
3974 struct bfd_link_info *info;
3975{
3976 struct elfNN_ia64_link_hash_table *ia64_info;
3977 asection *unwind_output_sec;
800eeca4 3978
2c4c2bc0 3979 ia64_info = elfNN_ia64_hash_table (info);
800eeca4 3980
2c4c2bc0 3981 /* Make sure we've got ourselves a nice fat __gp value. */
1049f94e 3982 if (!info->relocatable)
2c4c2bc0 3983 {
a38a2e96 3984 bfd_vma gp_val;
2c4c2bc0
RH		 3985 struct elf_link_hash_entry *gp;
3986
a38a2e96
L		 3987 /* We assume after gp is set, section size will only decrease. We
3988 need to adjust gp for it. */
3989 _bfd_set_gp_value (abfd, 0);
3990 if (! elfNN_ia64_choose_gp (abfd, info))
3991 return FALSE;
3992 gp_val = _bfd_get_gp_value (abfd);
800eeca4 3993
2c4c2bc0
RH		 3994 gp = elf_link_hash_lookup (elf_hash_table (info), "__gp", FALSE,
3995 FALSE, FALSE);
b4adccfd
RH		 3996 if (gp)
3997 {
3998 gp->root.type = bfd_link_hash_defined;
3999 gp->root.u.def.value = gp_val;
4000 gp->root.u.def.section = bfd_abs_section_ptr;
4001 }
800eeca4
JW		 4002 }
4003
f3b6f7c3 4004 /* If we're producing a final executable, we need to sort the contents
9a951beb
RH		 4005 of the .IA_64.unwind section. Force this section to be relocated
4006 into memory rather than written immediately to the output file. */
4007 unwind_output_sec = NULL;
1049f94e 4008 if (!info->relocatable)
f3b6f7c3
RH		 4009 {
4010 asection *s = bfd_get_section_by_name (abfd, ELF_STRING_ia64_unwind);
4011 if (s)
4012 {
9a951beb
RH		 4013 unwind_output_sec = s->output_section;
4014 unwind_output_sec->contents
eea6121a 4015 = bfd_malloc (unwind_output_sec->size);
9a951beb 4016 if (unwind_output_sec->contents == NULL)
b34976b6 4017 return FALSE;
9a951beb
RH		 4018 }
4019 }
f3b6f7c3 4020
9a951beb 4021 /* Invoke the regular ELF backend linker to do all the work. */
c152c796 4022 if (!bfd_elf_final_link (abfd, info))
b34976b6 4023 return FALSE;
f3b6f7c3 4024
9a951beb
RH		 4025 if (unwind_output_sec)
4026 {
4027 elfNN_ia64_unwind_entry_compare_bfd = abfd;
dc810e39 4028 qsort (unwind_output_sec->contents,
eea6121a 4029 (size_t) (unwind_output_sec->size / 24),
dc810e39
AM		 4030 24,
4031 elfNN_ia64_unwind_entry_compare);
9a951beb
RH		 4032
4033 if (! bfd_set_section_contents (abfd, unwind_output_sec,
dc810e39 4034 unwind_output_sec->contents, (bfd_vma) 0,
eea6121a 4035 unwind_output_sec->size))
b34976b6 4036 return FALSE;
f3b6f7c3
RH		 4037 }
4038
b34976b6 4039 return TRUE;
800eeca4
JW		 4040}
4041
b34976b6 4042static bfd_boolean
bbe66d08 4043elfNN_ia64_relocate_section (output_bfd, info, input_bfd, input_section,
800eeca4
JW		 4044 contents, relocs, local_syms, local_sections)
4045 bfd *output_bfd;
4046 struct bfd_link_info *info;
4047 bfd *input_bfd;
4048 asection *input_section;
4049 bfd_byte *contents;
4050 Elf_Internal_Rela *relocs;
4051 Elf_Internal_Sym *local_syms;
4052 asection **local_sections;
4053{
bbe66d08 4054 struct elfNN_ia64_link_hash_table *ia64_info;
800eeca4
JW		 4055 Elf_Internal_Shdr *symtab_hdr;
4056 Elf_Internal_Rela *rel;
4057 Elf_Internal_Rela *relend;
4058 asection *srel;
b34976b6 4059 bfd_boolean ret_val = TRUE; /* for non-fatal errors */
800eeca4
JW		 4060 bfd_vma gp_val;
4061
4062 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
bbe66d08 4063 ia64_info = elfNN_ia64_hash_table (info);
800eeca4
JW		 4064
4065 /* Infect various flags from the input section to the output section. */
1049f94e 4066 if (info->relocatable)
800eeca4
JW		 4067 {
4068 bfd_vma flags;
4069
4070 flags = elf_section_data(input_section)->this_hdr.sh_flags;
4071 flags &= SHF_IA_64_NORECOV;
4072
4073 elf_section_data(input_section->output_section)
4074 ->this_hdr.sh_flags |= flags;
b34976b6 4075 return TRUE;
800eeca4
JW		 4076 }
4077
4078 gp_val = _bfd_get_gp_value (output_bfd);
b34976b6 4079 srel = get_reloc_section (input_bfd, ia64_info, input_section, FALSE);
800eeca4
JW		 4080
4081 rel = relocs;
4082 relend = relocs + input_section->reloc_count;
4083 for (; rel < relend; ++rel)
4084 {
4085 struct elf_link_hash_entry *h;
bbe66d08 4086 struct elfNN_ia64_dyn_sym_info *dyn_i;
800eeca4
JW		 4087 bfd_reloc_status_type r;
4088 reloc_howto_type *howto;
4089 unsigned long r_symndx;
4090 Elf_Internal_Sym *sym;
4091 unsigned int r_type;
4092 bfd_vma value;
4093 asection *sym_sec;
4094 bfd_byte *hit_addr;
b34976b6
AM		 4095 bfd_boolean dynamic_symbol_p;
4096 bfd_boolean undef_weak_ref;
800eeca4 4097
bbe66d08 4098 r_type = ELFNN_R_TYPE (rel->r_info);
800eeca4
JW		 4099 if (r_type > R_IA64_MAX_RELOC_CODE)
4100 {
4101 (*_bfd_error_handler)
d003868e
AM		 4102 (_("%B: unknown relocation type %d"),
4103 input_bfd, (int) r_type);
800eeca4 4104 bfd_set_error (bfd_error_bad_value);
b34976b6 4105 ret_val = FALSE;
800eeca4
JW		 4106 continue;
4107 }
b491616a 4108
800eeca4 4109 howto = lookup_howto (r_type);
bbe66d08 4110 r_symndx = ELFNN_R_SYM (rel->r_info);
800eeca4
JW		 4111 h = NULL;
4112 sym = NULL;
4113 sym_sec = NULL;
b34976b6 4114 undef_weak_ref = FALSE;
800eeca4
JW		 4115
4116 if (r_symndx < symtab_hdr->sh_info)
4117 {
4118 /* Reloc against local symbol. */
8517fae7 4119 asection *msec;
800eeca4
JW		 4120 sym = local_syms + r_symndx;
4121 sym_sec = local_sections[r_symndx];
8517fae7
AM		 4122 msec = sym_sec;
4123 value = _bfd_elf_rela_local_sym (output_bfd, sym, &msec, rel);
f7460f5f
JJ		 4124 if ((sym_sec->flags & SEC_MERGE)
4125 && ELF_ST_TYPE (sym->st_info) == STT_SECTION
68bfbfcc 4126 && sym_sec->sec_info_type == ELF_INFO_TYPE_MERGE)
f7460f5f
JJ		 4127 {
4128 struct elfNN_ia64_local_hash_entry *loc_h;
b34976b6
AM		 4129
4130 loc_h = get_local_sym_hash (ia64_info, input_bfd, rel, FALSE);
f7460f5f
JJ		 4131 if (loc_h && ! loc_h->sec_merge_done)
4132 {
4133 struct elfNN_ia64_dyn_sym_info *dynent;
f7460f5f
JJ		 4134
4135 for (dynent = loc_h->info; dynent; dynent = dynent->next)
4136 {
4137 msec = sym_sec;
4138 dynent->addend =
4139 _bfd_merged_section_offset (output_bfd, &msec,
4140 elf_section_data (msec)->
65765700 4141 sec_info,
f7460f5f 4142 sym->st_value
753731ee 4143 + dynent->addend);
f7460f5f
JJ		 4144 dynent->addend -= sym->st_value;
4145 dynent->addend += msec->output_section->vma
4146 + msec->output_offset
4147 - sym_sec->output_section->vma
4148 - sym_sec->output_offset;
4149 }
4150 loc_h->sec_merge_done = 1;
4151 }
4152 }
800eeca4
JW		 4153 }
4154 else
4155 {
560e09e9
NC		 4156 bfd_boolean unresolved_reloc;
4157 bfd_boolean warned;
b2a8e766 4158 struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (input_bfd);
800eeca4 4159
b2a8e766
AM		 4160 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
4161 r_symndx, symtab_hdr, sym_hashes,
4162 h, sym_sec, value,
4163 unresolved_reloc, warned);
800eeca4 4164
560e09e9 4165 if (h->root.type == bfd_link_hash_undefweak)
b34976b6 4166 undef_weak_ref = TRUE;
560e09e9
NC		 4167 else if (warned)
4168 continue;
800eeca4
JW		 4169 }
4170
4171 hit_addr = contents + rel->r_offset;
4172 value += rel->r_addend;
986a241f 4173 dynamic_symbol_p = elfNN_ia64_dynamic_symbol_p (h, info, r_type);
800eeca4
JW		 4174
4175 switch (r_type)
4176 {
4177 case R_IA64_NONE:
4178 case R_IA64_LDXMOV:
4179 continue;
4180
4181 case R_IA64_IMM14:
4182 case R_IA64_IMM22:
4183 case R_IA64_IMM64:
4184 case R_IA64_DIR32MSB:
4185 case R_IA64_DIR32LSB:
4186 case R_IA64_DIR64MSB:
4187 case R_IA64_DIR64LSB:
4188 /* Install a dynamic relocation for this reloc. */
02e6ad56 4189 if ((dynamic_symbol_p || info->shared)
ec338859 4190 && r_symndx != 0
800eeca4
JW		 4191 && (input_section->flags & SEC_ALLOC) != 0)
4192 {
4193 unsigned int dyn_r_type;
4194 long dynindx;
18b27f17 4195 bfd_vma addend;
800eeca4
JW		 4196
4197 BFD_ASSERT (srel != NULL);
4198
838e70c5
L		 4199 switch (r_type)
4200 {
4201 case R_IA64_IMM14:
4202 case R_IA64_IMM22:
4203 case R_IA64_IMM64:
4204 /* ??? People shouldn't be doing non-pic code in
4205 shared libraries nor dynamic executables. */
4206 (*_bfd_error_handler)
d003868e
AM		 4207 (_("%B: non-pic code with imm relocation against dynamic symbol `%s'"),
4208 input_bfd,
26c61ae5
L		 4209 h ? h->root.root.string
4210 : bfd_elf_sym_name (input_bfd, symtab_hdr, sym,
4211 sym_sec));
838e70c5
L		 4212 ret_val = FALSE;
4213 continue;
4214
4215 default:
4216 break;
4217 }
4218
800eeca4
JW		 4219 /* If we don't need dynamic symbol lookup, find a
4220 matching RELATIVE relocation. */
4221 dyn_r_type = r_type;
986a241f 4222 if (dynamic_symbol_p)
18b27f17
RH		 4223 {
4224 dynindx = h->dynindx;
4225 addend = rel->r_addend;
4226 value = 0;
4227 }
800eeca4
JW		 4228 else
4229 {
4230 switch (r_type)
4231 {
4232 case R_IA64_DIR32MSB:
4233 dyn_r_type = R_IA64_REL32MSB;
4234 break;
4235 case R_IA64_DIR32LSB:
4236 dyn_r_type = R_IA64_REL32LSB;
4237 break;
4238 case R_IA64_DIR64MSB:
4239 dyn_r_type = R_IA64_REL64MSB;
4240 break;
4241 case R_IA64_DIR64LSB:
4242 dyn_r_type = R_IA64_REL64LSB;
4243 break;
4244
4245 default:
838e70c5 4246 break;
800eeca4
JW		 4247 }
4248 dynindx = 0;
18b27f17 4249 addend = value;
800eeca4
JW		 4250 }
4251
bbe66d08 4252 elfNN_ia64_install_dyn_reloc (output_bfd, info, input_section,
800eeca4 4253 srel, rel->r_offset, dyn_r_type,
18b27f17 4254 dynindx, addend);
800eeca4 4255 }
ae9a127f 4256 /* Fall through. */
800eeca4
JW		 4257
4258 case R_IA64_LTV32MSB:
4259 case R_IA64_LTV32LSB:
4260 case R_IA64_LTV64MSB:
4261 case R_IA64_LTV64LSB:
bbb268c3 4262 r = elfNN_ia64_install_value (hit_addr, value, r_type);
800eeca4
JW		 4263 break;
4264
4265 case R_IA64_GPREL22:
4266 case R_IA64_GPREL64I:
4267 case R_IA64_GPREL32MSB:
4268 case R_IA64_GPREL32LSB:
4269 case R_IA64_GPREL64MSB:
4270 case R_IA64_GPREL64LSB:
4271 if (dynamic_symbol_p)
4272 {
4273 (*_bfd_error_handler)
d003868e 4274 (_("%B: @gprel relocation against dynamic symbol %s"),
26c61ae5
L		 4275 input_bfd,
4276 h ? h->root.root.string
4277 : bfd_elf_sym_name (input_bfd, symtab_hdr, sym,
4278 sym_sec));
b34976b6 4279 ret_val = FALSE;
800eeca4
JW		 4280 continue;
4281 }
4282 value -= gp_val;
bbb268c3 4283 r = elfNN_ia64_install_value (hit_addr, value, r_type);
800eeca4
JW		 4284 break;
4285
4286 case R_IA64_LTOFF22:
4287 case R_IA64_LTOFF22X:
4288 case R_IA64_LTOFF64I:
b34976b6 4289 dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, FALSE);
800eeca4 4290 value = set_got_entry (input_bfd, info, dyn_i, (h ? h->dynindx : -1),
5a260b66 4291 rel->r_addend, value, R_IA64_DIRNNLSB);
800eeca4 4292 value -= gp_val;
bbb268c3 4293 r = elfNN_ia64_install_value (hit_addr, value, r_type);
800eeca4
JW		 4294 break;
4295
4296 case R_IA64_PLTOFF22:
4297 case R_IA64_PLTOFF64I:
4298 case R_IA64_PLTOFF64MSB:
4299 case R_IA64_PLTOFF64LSB:
b34976b6
AM		 4300 dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, FALSE);
4301 value = set_pltoff_entry (output_bfd, info, dyn_i, value, FALSE);
800eeca4 4302 value -= gp_val;
bbb268c3 4303 r = elfNN_ia64_install_value (hit_addr, value, r_type);
800eeca4
JW		 4304 break;
4305
4306 case R_IA64_FPTR64I:
4307 case R_IA64_FPTR32MSB:
4308 case R_IA64_FPTR32LSB:
4309 case R_IA64_FPTR64MSB:
4310 case R_IA64_FPTR64LSB:
b34976b6 4311 dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, FALSE);
800eeca4
JW		 4312 if (dyn_i->want_fptr)
4313 {
4314 if (!undef_weak_ref)
4315 value = set_fptr_entry (output_bfd, info, dyn_i, value);
4316 }
9203ba99 4317 if (!dyn_i->want_fptr || info->pie)
800eeca4
JW		 4318 {
4319 long dynindx;
9203ba99
JJ		 4320 unsigned int dyn_r_type = r_type;
4321 bfd_vma addend = rel->r_addend;
800eeca4
JW		 4322
4323 /* Otherwise, we expect the dynamic linker to create
4324 the entry. */
4325
9203ba99
JJ		 4326 if (dyn_i->want_fptr)
4327 {
4328 if (r_type == R_IA64_FPTR64I)
4329 {
4330 /* We can't represent this without a dynamic symbol.
4331 Adjust the relocation to be against an output
4332 section symbol, which are always present in the
4333 dynamic symbol table. */
4334 /* ??? People shouldn't be doing non-pic code in
4335 shared libraries. Hork. */
4336 (*_bfd_error_handler)
d003868e
AM		 4337 (_("%B: linking non-pic code in a position independent executable"),
4338 input_bfd);
9203ba99
JJ		 4339 ret_val = FALSE;
4340 continue;
4341 }
4342 dynindx = 0;
4343 addend = value;
5a260b66 4344 dyn_r_type = r_type + R_IA64_RELNNLSB - R_IA64_FPTRNNLSB;
9203ba99
JJ		 4345 }
4346 else if (h)
800eeca4
JW		 4347 {
4348 if (h->dynindx != -1)
4349 dynindx = h->dynindx;
4350 else
4351 dynindx = (_bfd_elf_link_lookup_local_dynindx
4352 (info, h->root.u.def.section->owner,
4353 global_sym_index (h)));
9203ba99 4354 value = 0;
800eeca4
JW		 4355 }
4356 else
4357 {
4358 dynindx = (_bfd_elf_link_lookup_local_dynindx
dc810e39 4359 (info, input_bfd, (long) r_symndx));
9203ba99 4360 value = 0;
800eeca4
JW		 4361 }
4362
bbe66d08 4363 elfNN_ia64_install_dyn_reloc (output_bfd, info, input_section,
9203ba99
JJ		 4364 srel, rel->r_offset, dyn_r_type,
4365 dynindx, addend);
800eeca4
JW		 4366 }
4367
bbb268c3 4368 r = elfNN_ia64_install_value (hit_addr, value, r_type);
800eeca4
JW		 4369 break;
4370
4371 case R_IA64_LTOFF_FPTR22:
4372 case R_IA64_LTOFF_FPTR64I:
a4bd8390
JW		 4373 case R_IA64_LTOFF_FPTR32MSB:
4374 case R_IA64_LTOFF_FPTR32LSB:
800eeca4
JW		 4375 case R_IA64_LTOFF_FPTR64MSB:
4376 case R_IA64_LTOFF_FPTR64LSB:
4377 {
4378 long dynindx;
4379
b34976b6 4380 dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, FALSE);
800eeca4
JW		 4381 if (dyn_i->want_fptr)
4382 {
f12123c0 4383 BFD_ASSERT (h == NULL || h->dynindx == -1);
800eeca4
JW		 4384 if (!undef_weak_ref)
4385 value = set_fptr_entry (output_bfd, info, dyn_i, value);
4386 dynindx = -1;
4387 }
4388 else
4389 {
4390 /* Otherwise, we expect the dynamic linker to create
4391 the entry. */
4392 if (h)
4393 {
4394 if (h->dynindx != -1)
4395 dynindx = h->dynindx;
4396 else
4397 dynindx = (_bfd_elf_link_lookup_local_dynindx
4398 (info, h->root.u.def.section->owner,
4399 global_sym_index (h)));
4400 }
4401 else
4402 dynindx = (_bfd_elf_link_lookup_local_dynindx
dc810e39 4403 (info, input_bfd, (long) r_symndx));
800eeca4
JW		 4404 value = 0;
4405 }
4406
4407 value = set_got_entry (output_bfd, info, dyn_i, dynindx,
5a260b66 4408 rel->r_addend, value, R_IA64_FPTRNNLSB);
800eeca4 4409 value -= gp_val;
bbb268c3 4410 r = elfNN_ia64_install_value (hit_addr, value, r_type);
800eeca4
JW		 4411 }
4412 break;
4413
4414 case R_IA64_PCREL32MSB:
4415 case R_IA64_PCREL32LSB:
4416 case R_IA64_PCREL64MSB:
4417 case R_IA64_PCREL64LSB:
4418 /* Install a dynamic relocation for this reloc. */
02e6ad56 4419 if (dynamic_symbol_p && r_symndx != 0)
800eeca4
JW		 4420 {
4421 BFD_ASSERT (srel != NULL);
4422
bbe66d08 4423 elfNN_ia64_install_dyn_reloc (output_bfd, info, input_section,
800eeca4
JW		 4424 srel, rel->r_offset, r_type,
4425 h->dynindx, rel->r_addend);
4426 }
4427 goto finish_pcrel;
4428
800eeca4 4429 case R_IA64_PCREL21B:
748abff6 4430 case R_IA64_PCREL60B:
800eeca4 4431 /* We should have created a PLT entry for any dynamic symbol. */
800eeca4
JW		 4432 dyn_i = NULL;
4433 if (h)
b34976b6 4434 dyn_i = get_dyn_sym_info (ia64_info, h, NULL, NULL, FALSE);
800eeca4
JW		 4435
4436 if (dyn_i && dyn_i->want_plt2)
4437 {
4438 /* Should have caught this earlier. */
4439 BFD_ASSERT (rel->r_addend == 0);
4440
4441 value = (ia64_info->plt_sec->output_section->vma
4442 + ia64_info->plt_sec->output_offset
4443 + dyn_i->plt2_offset);
4444 }
4445 else
4446 {
4447 /* Since there's no PLT entry, Validate that this is
4448 locally defined. */
4449 BFD_ASSERT (undef_weak_ref || sym_sec->output_section != NULL);
4450
4451 /* If the symbol is undef_weak, we shouldn't be trying
4452 to call it. There's every chance that we'd wind up
4453 with an out-of-range fixup here. Don't bother setting
4454 any value at all. */
4455 if (undef_weak_ref)
4456 continue;
4457 }
4458 goto finish_pcrel;
4459
2f9bd3f6
RH		 4460 case R_IA64_PCREL21BI:
4461 case R_IA64_PCREL21F:
4462 case R_IA64_PCREL21M:
748abff6
RH		 4463 case R_IA64_PCREL22:
4464 case R_IA64_PCREL64I:
2f9bd3f6
RH		 4465 /* The PCREL21BI reloc is specifically not intended for use with
4466 dynamic relocs. PCREL21F and PCREL21M are used for speculation
f12123c0 4467 fixup code, and thus probably ought not be dynamic. The
2f9bd3f6
RH		 4468 PCREL22 and PCREL64I relocs aren't emitted as dynamic relocs. */
4469 if (dynamic_symbol_p)
4470 {
4471 const char *msg;
4472
4473 if (r_type == R_IA64_PCREL21BI)
d003868e 4474 msg = _("%B: @internal branch to dynamic symbol %s");
2f9bd3f6 4475 else if (r_type == R_IA64_PCREL21F || r_type == R_IA64_PCREL21M)
d003868e 4476 msg = _("%B: speculation fixup to dynamic symbol %s");
2f9bd3f6 4477 else
d003868e 4478 msg = _("%B: @pcrel relocation against dynamic symbol %s");
26c61ae5
L		 4479 (*_bfd_error_handler) (msg, input_bfd,
4480 h ? h->root.root.string
4481 : bfd_elf_sym_name (input_bfd,
4482 symtab_hdr,
4483 sym,
4484 sym_sec));
2f9bd3f6
RH		 4485 ret_val = FALSE;
4486 continue;
4487 }
4488 goto finish_pcrel;
4489
800eeca4
JW		 4490 finish_pcrel:
4491 /* Make pc-relative. */
4492 value -= (input_section->output_section->vma
4493 + input_section->output_offset
4494 + rel->r_offset) & ~ (bfd_vma) 0x3;
bbb268c3 4495 r = elfNN_ia64_install_value (hit_addr, value, r_type);
800eeca4
JW		 4496 break;
4497
4498 case R_IA64_SEGREL32MSB:
4499 case R_IA64_SEGREL32LSB:
4500 case R_IA64_SEGREL64MSB:
4501 case R_IA64_SEGREL64LSB:
d7458677
AM		 4502 if (r_symndx == 0)
4503 {
4504 /* If the input section was discarded from the output, then
4505 do nothing. */
4506 r = bfd_reloc_ok;
4507 }
4508 else
4509 {
4510 struct elf_segment_map *m;
4511 Elf_Internal_Phdr *p;
4512
4513 /* Find the segment that contains the output_section. */
4514 for (m = elf_tdata (output_bfd)->segment_map,
4515 p = elf_tdata (output_bfd)->phdr;
4516 m != NULL;
4517 m = m->next, p++)
4518 {
4519 int i;
4520 for (i = m->count - 1; i >= 0; i--)
9f1c3a0a 4521 if (m->sections[i] == input_section->output_section)
d7458677
AM		 4522 break;
4523 if (i >= 0)
800eeca4 4524 break;
d7458677 4525 }
800eeca4 4526
d7458677
AM		 4527 if (m == NULL)
4528 {
800eeca4 4529 r = bfd_reloc_notsupported;
d7458677
AM		 4530 }
4531 else
4532 {
4533 /* The VMA of the segment is the vaddr of the associated
4534 program header. */
4535 if (value > p->p_vaddr)
4536 value -= p->p_vaddr;
4537 else
4538 value = 0;
bbb268c3 4539 r = elfNN_ia64_install_value (hit_addr, value, r_type);
d7458677
AM		 4540 }
4541 break;
4542 }
800eeca4
JW		 4543
4544 case R_IA64_SECREL32MSB:
4545 case R_IA64_SECREL32LSB:
4546 case R_IA64_SECREL64MSB:
4547 case R_IA64_SECREL64LSB:
97ecf322
L		 4548 /* Make output-section relative to section where the symbol
4549 is defined. PR 475 */
bf718458
L		 4550 if (sym_sec)
4551 value -= sym_sec->output_section->vma;
bbb268c3 4552 r = elfNN_ia64_install_value (hit_addr, value, r_type);
800eeca4
JW		 4553 break;
4554
800eeca4
JW		 4555 case R_IA64_IPLTMSB:
4556 case R_IA64_IPLTLSB:
18b27f17
RH		 4557 /* Install a dynamic relocation for this reloc. */
4558 if ((dynamic_symbol_p || info->shared)
4559 && (input_section->flags & SEC_ALLOC) != 0)
4560 {
18b27f17
RH		 4561 BFD_ASSERT (srel != NULL);
4562
4563 /* If we don't need dynamic symbol lookup, install two
4564 RELATIVE relocations. */
986a241f 4565 if (!dynamic_symbol_p)
18b27f17
RH		 4566 {
4567 unsigned int dyn_r_type;
3e932841 4568
18b27f17
RH		 4569 if (r_type == R_IA64_IPLTMSB)
4570 dyn_r_type = R_IA64_REL64MSB;
4571 else
4572 dyn_r_type = R_IA64_REL64LSB;
4573
4574 elfNN_ia64_install_dyn_reloc (output_bfd, info,
4575 input_section,
4576 srel, rel->r_offset,
4577 dyn_r_type, 0, value);
4578 elfNN_ia64_install_dyn_reloc (output_bfd, info,
4579 input_section,
4580 srel, rel->r_offset + 8,
4581 dyn_r_type, 0, gp_val);
4582 }
4583 else
4584 elfNN_ia64_install_dyn_reloc (output_bfd, info, input_section,
4585 srel, rel->r_offset, r_type,
4586 h->dynindx, rel->r_addend);
4587 }
4588
4589 if (r_type == R_IA64_IPLTMSB)
4590 r_type = R_IA64_DIR64MSB;
4591 else
4592 r_type = R_IA64_DIR64LSB;
bbb268c3
JW		 4593 elfNN_ia64_install_value (hit_addr, value, r_type);
4594 r = elfNN_ia64_install_value (hit_addr + 8, gp_val, r_type);
18b27f17 4595 break;
800eeca4 4596
13ae64f3
JJ		 4597 case R_IA64_TPREL14:
4598 case R_IA64_TPREL22:
4599 case R_IA64_TPREL64I:
4600 value -= elfNN_ia64_tprel_base (info);
bbb268c3 4601 r = elfNN_ia64_install_value (hit_addr, value, r_type);
13ae64f3
JJ		 4602 break;
4603
4604 case R_IA64_DTPREL14:
4605 case R_IA64_DTPREL22:
4606 case R_IA64_DTPREL64I:
5a260b66
L		 4607 case R_IA64_DTPREL32LSB:
4608 case R_IA64_DTPREL32MSB:
b3dfd7fe
JJ		 4609 case R_IA64_DTPREL64LSB:
4610 case R_IA64_DTPREL64MSB:
13ae64f3 4611 value -= elfNN_ia64_dtprel_base (info);
bbb268c3 4612 r = elfNN_ia64_install_value (hit_addr, value, r_type);
13ae64f3
JJ		 4613 break;
4614
4615 case R_IA64_LTOFF_TPREL22:
4616 case R_IA64_LTOFF_DTPMOD22:
4617 case R_IA64_LTOFF_DTPREL22:
4618 {
4619 int got_r_type;
a823975a
JJ		 4620 long dynindx = h ? h->dynindx : -1;
4621 bfd_vma r_addend = rel->r_addend;
13ae64f3
JJ		 4622
4623 switch (r_type)
4624 {
4625 default:
4626 case R_IA64_LTOFF_TPREL22:
a823975a
JJ		 4627 if (!dynamic_symbol_p)
4628 {
4629 if (!info->shared)
4630 value -= elfNN_ia64_tprel_base (info);
4631 else
4632 {
4633 r_addend += value - elfNN_ia64_dtprel_base (info);
4634 dynindx = 0;
4635 }
4636 }
13ae64f3
JJ		 4637 got_r_type = R_IA64_TPREL64LSB;
4638 break;
4639 case R_IA64_LTOFF_DTPMOD22:
4640 if (!dynamic_symbol_p && !info->shared)
4641 value = 1;
4642 got_r_type = R_IA64_DTPMOD64LSB;
4643 break;
4644 case R_IA64_LTOFF_DTPREL22:
4645 if (!dynamic_symbol_p)
4646 value -= elfNN_ia64_dtprel_base (info);
5a260b66 4647 got_r_type = R_IA64_DTPRELNNLSB;
13ae64f3
JJ		 4648 break;
4649 }
b34976b6 4650 dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, FALSE);
a823975a 4651 value = set_got_entry (input_bfd, info, dyn_i, dynindx, r_addend,
13ae64f3
JJ		 4652 value, got_r_type);
4653 value -= gp_val;
bbb268c3 4654 r = elfNN_ia64_install_value (hit_addr, value, r_type);
13ae64f3
JJ		 4655 }
4656 break;
4657
800eeca4
JW		 4658 default:
4659 r = bfd_reloc_notsupported;
4660 break;
4661 }
4662
4663 switch (r)
4664 {
4665 case bfd_reloc_ok:
4666 break;
4667
4668 case bfd_reloc_undefined:
4669 /* This can happen for global table relative relocs if
4670 __gp is undefined. This is a panic situation so we
4671 don't try to continue. */
4672 (*info->callbacks->undefined_symbol)
4673 (info, "__gp", input_bfd, input_section, rel->r_offset, 1);
b34976b6 4674 return FALSE;
800eeca4
JW		 4675
4676 case bfd_reloc_notsupported:
4677 {
4678 const char *name;
4679
4680 if (h)
4681 name = h->root.root.string;
4682 else
26c61ae5
L		 4683 name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym,
4684 sym_sec);
800eeca4
JW		 4685 if (!(*info->callbacks->warning) (info, _("unsupported reloc"),
4686 name, input_bfd,
4687 input_section, rel->r_offset))
b34976b6
AM		 4688 return FALSE;
4689 ret_val = FALSE;
800eeca4
JW		 4690 }
4691 break;
4692
4693 case bfd_reloc_dangerous:
4694 case bfd_reloc_outofrange:
4695 case bfd_reloc_overflow:
4696 default:
4697 {
4698 const char *name;
4699
4700 if (h)
f0581930 4701 name = h->root.root.string;
800eeca4 4702 else
26c61ae5
L		 4703 name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym,
4704 sym_sec);
c5509b92
L		 4705
4706 switch (r_type)
4707 {
4708 case R_IA64_PCREL21B:
4709 case R_IA64_PCREL21BI:
4710 case R_IA64_PCREL21M:
4711 case R_IA64_PCREL21F:
4712 if (is_elf_hash_table (info->hash))
4713 {
4714 /* Relaxtion is always performed for ELF output.
4715 Overflow failures for those relocations mean
4716 that the section is too big to relax. */
4717 (*_bfd_error_handler)
4718 (_("%B: Can't relax br (%s) to `%s' at 0x%lx in section `%A' with size 0x%lx (> 0x1000000)."),
4719 input_bfd, input_section, howto->name, name,
4720 rel->r_offset, input_section->size);
4721 break;
4722 }
4723 default:
4724 if (!(*info->callbacks->reloc_overflow) (info,
4725 &h->root,
4726 name,
4727 howto->name,
4728 (bfd_vma) 0,
4729 input_bfd,
4730 input_section,
4731 rel->r_offset))
4732 return FALSE;
4733 break;
4734 }
4735
b34976b6 4736 ret_val = FALSE;
800eeca4
JW		 4737 }
4738 break;
4739 }
4740 }
4741
4742 return ret_val;
4743}
4744
b34976b6 4745static bfd_boolean
bbe66d08 4746elfNN_ia64_finish_dynamic_symbol (output_bfd, info, h, sym)
800eeca4
JW		 4747 bfd *output_bfd;
4748 struct bfd_link_info *info;
4749 struct elf_link_hash_entry *h;
4750 Elf_Internal_Sym *sym;
4751{
bbe66d08
JW		 4752 struct elfNN_ia64_link_hash_table *ia64_info;
4753 struct elfNN_ia64_dyn_sym_info *dyn_i;
800eeca4 4754
bbe66d08 4755 ia64_info = elfNN_ia64_hash_table (info);
b34976b6 4756 dyn_i = get_dyn_sym_info (ia64_info, h, NULL, NULL, FALSE);
800eeca4
JW		 4757
4758 /* Fill in the PLT data, if required. */
4759 if (dyn_i && dyn_i->want_plt)
4760 {
4761 Elf_Internal_Rela outrel;
4762 bfd_byte *loc;
4763 asection *plt_sec;
4764 bfd_vma plt_addr, pltoff_addr, gp_val, index;
800eeca4
JW		 4765
4766 gp_val = _bfd_get_gp_value (output_bfd);
4767
4768 /* Initialize the minimal PLT entry. */
4769
4770 index = (dyn_i->plt_offset - PLT_HEADER_SIZE) / PLT_MIN_ENTRY_SIZE;
4771 plt_sec = ia64_info->plt_sec;
4772 loc = plt_sec->contents + dyn_i->plt_offset;
4773
4774 memcpy (loc, plt_min_entry, PLT_MIN_ENTRY_SIZE);
bbb268c3
JW		 4775 elfNN_ia64_install_value (loc, index, R_IA64_IMM22);
4776 elfNN_ia64_install_value (loc+2, -dyn_i->plt_offset, R_IA64_PCREL21B);
800eeca4
JW		 4777
4778 plt_addr = (plt_sec->output_section->vma
4779 + plt_sec->output_offset
4780 + dyn_i->plt_offset);
b34976b6 4781 pltoff_addr = set_pltoff_entry (output_bfd, info, dyn_i, plt_addr, TRUE);
800eeca4
JW		 4782
4783 /* Initialize the FULL PLT entry, if needed. */
4784 if (dyn_i->want_plt2)
4785 {
4786 loc = plt_sec->contents + dyn_i->plt2_offset;
4787
4788 memcpy (loc, plt_full_entry, PLT_FULL_ENTRY_SIZE);
bbb268c3 4789 elfNN_ia64_install_value (loc, pltoff_addr - gp_val, R_IA64_IMM22);
800eeca4
JW		 4790
4791 /* Mark the symbol as undefined, rather than as defined in the
4792 plt section. Leave the value alone. */
4793 /* ??? We didn't redefine it in adjust_dynamic_symbol in the
c152c796 4794 first place. But perhaps elflink.c did some for us. */
f5385ebf 4795 if (!h->def_regular)
800eeca4
JW		 4796 sym->st_shndx = SHN_UNDEF;
4797 }
4798
4799 /* Create the dynamic relocation. */
4800 outrel.r_offset = pltoff_addr;
4801 if (bfd_little_endian (output_bfd))
bbe66d08 4802 outrel.r_info = ELFNN_R_INFO (h->dynindx, R_IA64_IPLTLSB);
800eeca4 4803 else
bbe66d08 4804 outrel.r_info = ELFNN_R_INFO (h->dynindx, R_IA64_IPLTMSB);
800eeca4
JW		 4805 outrel.r_addend = 0;
4806
4807 /* This is fun. In the .IA_64.pltoff section, we've got entries
4808 that correspond both to real PLT entries, and those that
4809 happened to resolve to local symbols but need to be created
4810 to satisfy @pltoff relocations. The .rela.IA_64.pltoff
4811 relocations for the real PLT should come at the end of the
4812 section, so that they can be indexed by plt entry at runtime.
4813
4814 We emitted all of the relocations for the non-PLT @pltoff
4815 entries during relocate_section. So we can consider the
4816 existing sec->reloc_count to be the base of the array of
4817 PLT relocations. */
4818
947216bf
AM		 4819 loc = ia64_info->rel_pltoff_sec->contents;
4820 loc += ((ia64_info->rel_pltoff_sec->reloc_count + index)
37cd2629 4821 * sizeof (ElfNN_External_Rela));
947216bf 4822 bfd_elfNN_swap_reloca_out (output_bfd, &outrel, loc);
800eeca4
JW		 4823 }
4824
4825 /* Mark some specially defined symbols as absolute. */
4826 if (strcmp (h->root.root.string, "_DYNAMIC") == 0
4827 || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0
4828 || strcmp (h->root.root.string, "_PROCEDURE_LINKAGE_TABLE_") == 0)
4829 sym->st_shndx = SHN_ABS;
4830
b34976b6 4831 return TRUE;
800eeca4
JW		 4832}
4833
b34976b6 4834static bfd_boolean
bbe66d08 4835elfNN_ia64_finish_dynamic_sections (abfd, info)
800eeca4
JW		 4836 bfd *abfd;
4837 struct bfd_link_info *info;
4838{
bbe66d08 4839 struct elfNN_ia64_link_hash_table *ia64_info;
800eeca4
JW		 4840 bfd *dynobj;
4841
bbe66d08 4842 ia64_info = elfNN_ia64_hash_table (info);
800eeca4
JW		 4843 dynobj = ia64_info->root.dynobj;
4844
4845 if (elf_hash_table (info)->dynamic_sections_created)
4846 {
bbe66d08 4847 ElfNN_External_Dyn *dyncon, *dynconend;
800eeca4
JW		 4848 asection *sdyn, *sgotplt;
4849 bfd_vma gp_val;
4850
4851 sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
4852 sgotplt = bfd_get_section_by_name (dynobj, ".got.plt");
4853 BFD_ASSERT (sdyn != NULL);
bbe66d08 4854 dyncon = (ElfNN_External_Dyn *) sdyn->contents;
eea6121a 4855 dynconend = (ElfNN_External_Dyn *) (sdyn->contents + sdyn->size);
800eeca4
JW		 4856
4857 gp_val = _bfd_get_gp_value (abfd);
4858
4859 for (; dyncon < dynconend; dyncon++)
4860 {
4861 Elf_Internal_Dyn dyn;
800eeca4 4862
bbe66d08 4863 bfd_elfNN_swap_dyn_in (dynobj, dyncon, &dyn);
800eeca4
JW		 4864
4865 switch (dyn.d_tag)
4866 {
4867 case DT_PLTGOT:
4868 dyn.d_un.d_ptr = gp_val;
4869 break;
4870
4871 case DT_PLTRELSZ:
4872 dyn.d_un.d_val = (ia64_info->minplt_entries
bbe66d08 4873 * sizeof (ElfNN_External_Rela));
800eeca4
JW		 4874 break;
4875
4876 case DT_JMPREL:
4877 /* See the comment above in finish_dynamic_symbol. */
4878 dyn.d_un.d_ptr = (ia64_info->rel_pltoff_sec->output_section->vma
4879 + ia64_info->rel_pltoff_sec->output_offset
4880 + (ia64_info->rel_pltoff_sec->reloc_count
bbe66d08 4881 * sizeof (ElfNN_External_Rela)));
800eeca4
JW		 4882 break;
4883
4884 case DT_IA_64_PLT_RESERVE:
4885 dyn.d_un.d_ptr = (sgotplt->output_section->vma
4886 + sgotplt->output_offset);
4887 break;
4888
4889 case DT_RELASZ:
4890 /* Do not have RELASZ include JMPREL. This makes things
3e932841 4891 easier on ld.so. This is not what the rest of BFD set up. */
800eeca4 4892 dyn.d_un.d_val -= (ia64_info->minplt_entries
bbe66d08 4893 * sizeof (ElfNN_External_Rela));
800eeca4 4894 break;
800eeca4
JW		 4895 }
4896
bbe66d08 4897 bfd_elfNN_swap_dyn_out (abfd, &dyn, dyncon);
800eeca4
JW		 4898 }
4899
ae9a127f 4900 /* Initialize the PLT0 entry. */
800eeca4
JW		 4901 if (ia64_info->plt_sec)
4902 {
4903 bfd_byte *loc = ia64_info->plt_sec->contents;
4904 bfd_vma pltres;
4905
4906 memcpy (loc, plt_header, PLT_HEADER_SIZE);
4907
4908 pltres = (sgotplt->output_section->vma
4909 + sgotplt->output_offset
4910 - gp_val);
4911
bbb268c3 4912 elfNN_ia64_install_value (loc+1, pltres, R_IA64_GPREL22);
800eeca4
JW		 4913 }
4914 }
4915
b34976b6 4916 return TRUE;
800eeca4
JW		 4917}
4918\f
ae9a127f 4919/* ELF file flag handling: */
800eeca4 4920
3e932841 4921/* Function to keep IA-64 specific file flags. */
b34976b6 4922static bfd_boolean
bbe66d08 4923elfNN_ia64_set_private_flags (abfd, flags)
800eeca4
JW		 4924 bfd *abfd;
4925 flagword flags;
4926{
4927 BFD_ASSERT (!elf_flags_init (abfd)
4928 || elf_elfheader (abfd)->e_flags == flags);
4929
4930 elf_elfheader (abfd)->e_flags = flags;
b34976b6
AM		 4931 elf_flags_init (abfd) = TRUE;
4932 return TRUE;
800eeca4
JW		 4933}
4934
800eeca4
JW		 4935/* Merge backend specific data from an object file to the output
4936 object file when linking. */
b34976b6 4937static bfd_boolean
bbe66d08 4938elfNN_ia64_merge_private_bfd_data (ibfd, obfd)
800eeca4
JW		 4939 bfd *ibfd, *obfd;
4940{
4941 flagword out_flags;
4942 flagword in_flags;
b34976b6 4943 bfd_boolean ok = TRUE;
800eeca4
JW		 4944
4945 /* Don't even pretend to support mixed-format linking. */
4946 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
4947 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
b34976b6 4948 return FALSE;
800eeca4
JW		 4949
4950 in_flags = elf_elfheader (ibfd)->e_flags;
4951 out_flags = elf_elfheader (obfd)->e_flags;
4952
4953 if (! elf_flags_init (obfd))
4954 {
b34976b6 4955 elf_flags_init (obfd) = TRUE;
800eeca4
JW		 4956 elf_elfheader (obfd)->e_flags = in_flags;
4957
4958 if (bfd_get_arch (obfd) == bfd_get_arch (ibfd)
4959 && bfd_get_arch_info (obfd)->the_default)
4960 {
4961 return bfd_set_arch_mach (obfd, bfd_get_arch (ibfd),
4962 bfd_get_mach (ibfd));
4963 }
4964
b34976b6 4965 return TRUE;
800eeca4
JW		 4966 }
4967
4968 /* Check flag compatibility. */
4969 if (in_flags == out_flags)
b34976b6 4970 return TRUE;
800eeca4 4971
c43c2cc5
JW		 4972 /* Output has EF_IA_64_REDUCEDFP set only if all inputs have it set. */
4973 if (!(in_flags & EF_IA_64_REDUCEDFP) && (out_flags & EF_IA_64_REDUCEDFP))
4974 elf_elfheader (obfd)->e_flags &= ~EF_IA_64_REDUCEDFP;
4975
800eeca4
JW		 4976 if ((in_flags & EF_IA_64_TRAPNIL) != (out_flags & EF_IA_64_TRAPNIL))
4977 {
4978 (*_bfd_error_handler)
d003868e
AM		 4979 (_("%B: linking trap-on-NULL-dereference with non-trapping files"),
4980 ibfd);
800eeca4
JW		 4981
4982 bfd_set_error (bfd_error_bad_value);
b34976b6 4983 ok = FALSE;
800eeca4
JW		 4984 }
4985 if ((in_flags & EF_IA_64_BE) != (out_flags & EF_IA_64_BE))
4986 {
4987 (*_bfd_error_handler)
d003868e
AM		 4988 (_("%B: linking big-endian files with little-endian files"),
4989 ibfd);
800eeca4
JW		 4990
4991 bfd_set_error (bfd_error_bad_value);
b34976b6 4992 ok = FALSE;
800eeca4
JW		 4993 }
4994 if ((in_flags & EF_IA_64_ABI64) != (out_flags & EF_IA_64_ABI64))
4995 {
4996 (*_bfd_error_handler)
d003868e
AM		 4997 (_("%B: linking 64-bit files with 32-bit files"),
4998 ibfd);
800eeca4
JW		 4999
5000 bfd_set_error (bfd_error_bad_value);
b34976b6 5001 ok = FALSE;
800eeca4 5002 }
c43c2cc5
JW		 5003 if ((in_flags & EF_IA_64_CONS_GP) != (out_flags & EF_IA_64_CONS_GP))
5004 {
5005 (*_bfd_error_handler)
d003868e
AM		 5006 (_("%B: linking constant-gp files with non-constant-gp files"),
5007 ibfd);
c43c2cc5
JW		 5008
5009 bfd_set_error (bfd_error_bad_value);
b34976b6 5010 ok = FALSE;
c43c2cc5
JW		 5011 }
5012 if ((in_flags & EF_IA_64_NOFUNCDESC_CONS_GP)
5013 != (out_flags & EF_IA_64_NOFUNCDESC_CONS_GP))
5014 {
5015 (*_bfd_error_handler)
d003868e
AM		 5016 (_("%B: linking auto-pic files with non-auto-pic files"),
5017 ibfd);
c43c2cc5
JW		 5018
5019 bfd_set_error (bfd_error_bad_value);
b34976b6 5020 ok = FALSE;
c43c2cc5 5021 }
800eeca4
JW		 5022
5023 return ok;
5024}
5025
b34976b6 5026static bfd_boolean
bbe66d08 5027elfNN_ia64_print_private_bfd_data (abfd, ptr)
800eeca4
JW		 5028 bfd *abfd;
5029 PTR ptr;
5030{
5031 FILE *file = (FILE *) ptr;
5032 flagword flags = elf_elfheader (abfd)->e_flags;
5033
5034 BFD_ASSERT (abfd != NULL && ptr != NULL);
5035
c43c2cc5 5036 fprintf (file, "private flags = %s%s%s%s%s%s%s%s\n",
800eeca4
JW		 5037 (flags & EF_IA_64_TRAPNIL) ? "TRAPNIL, " : "",
5038 (flags & EF_IA_64_EXT) ? "EXT, " : "",
5039 (flags & EF_IA_64_BE) ? "BE, " : "LE, ",
c43c2cc5
JW		 5040 (flags & EF_IA_64_REDUCEDFP) ? "REDUCEDFP, " : "",
5041 (flags & EF_IA_64_CONS_GP) ? "CONS_GP, " : "",
5042 (flags & EF_IA_64_NOFUNCDESC_CONS_GP) ? "NOFUNCDESC_CONS_GP, " : "",
5043 (flags & EF_IA_64_ABSOLUTE) ? "ABSOLUTE, " : "",
800eeca4 5044 (flags & EF_IA_64_ABI64) ? "ABI64" : "ABI32");
3e932841 5045
800eeca4 5046 _bfd_elf_print_private_bfd_data (abfd, ptr);
b34976b6 5047 return TRUE;
800eeca4 5048}
db6751f2
JJ		 5049
5050static enum elf_reloc_type_class
f51e552e
AM		 5051elfNN_ia64_reloc_type_class (rela)
5052 const Elf_Internal_Rela *rela;
db6751f2 5053{
f51e552e 5054 switch ((int) ELFNN_R_TYPE (rela->r_info))
db6751f2
JJ		 5055 {
5056 case R_IA64_REL32MSB:
5057 case R_IA64_REL32LSB:
5058 case R_IA64_REL64MSB:
5059 case R_IA64_REL64LSB:
5060 return reloc_class_relative;
5061 case R_IA64_IPLTMSB:
5062 case R_IA64_IPLTLSB:
5063 return reloc_class_plt;
5064 case R_IA64_COPY:
5065 return reloc_class_copy;
5066 default:
5067 return reloc_class_normal;
5068 }
5069}
fcf12726 5070
b35d266b 5071static const struct bfd_elf_special_section elfNN_ia64_special_sections[] =
2f89ff8d 5072{
7dcb9820
AM		 5073 { ".sbss", 5, -1, SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_IA_64_SHORT },
5074 { ".sdata", 6, -1, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_IA_64_SHORT },
7f4d3958
L		 5075 { NULL, 0, 0, 0, 0 }
5076};
5077
da9f89d4
L		 5078static bfd_boolean
5079elfNN_ia64_object_p (bfd *abfd)
5080{
5081 asection *sec;
da9f89d4
L		 5082 asection *group, *unwi, *unw;
5083 flagword flags;
5084 const char *name;
5085 char *unwi_name, *unw_name;
5086 bfd_size_type amt;
5087
5088 if (abfd->flags & DYNAMIC)
5089 return TRUE;
5090
5091 /* Flags for fake group section. */
5092 flags = (SEC_LINKER_CREATED | SEC_GROUP | SEC_LINK_ONCE
5093 | SEC_EXCLUDE);
5094
5095 /* We add a fake section group for each .gnu.linkonce.t.* section,
5096 which isn't in a section group, and its unwind sections. */
5097 for (sec = abfd->sections; sec != NULL; sec = sec->next)
5098 {
5099 if (elf_sec_group (sec) == NULL
5100 && ((sec->flags & (SEC_LINK_ONCE | SEC_CODE | SEC_GROUP))
5101 == (SEC_LINK_ONCE | SEC_CODE))
5102 && strncmp (sec->name, ".gnu.linkonce.t.", 16) == 0)
5103 {
5104 name = sec->name + 16;
5105
5106 amt = strlen (name) + sizeof (".gnu.linkonce.ia64unwi.");
5107 unwi_name = bfd_alloc (abfd, amt);
5108 if (!unwi_name)
5109 return FALSE;
5110
5111 strcpy (stpcpy (unwi_name, ".gnu.linkonce.ia64unwi."), name);
5112 unwi = bfd_get_section_by_name (abfd, unwi_name);
5113
5114 amt = strlen (name) + sizeof (".gnu.linkonce.ia64unw.");
5115 unw_name = bfd_alloc (abfd, amt);
5116 if (!unw_name)
5117 return FALSE;
5118
5119 strcpy (stpcpy (unw_name, ".gnu.linkonce.ia64unw."), name);
5120 unw = bfd_get_section_by_name (abfd, unw_name);
5121
da9f89d4
L		 5122 /* We need to create a fake group section for it and its
5123 unwind sections. */
3496cb2a
L		 5124 group = bfd_make_section_anyway_with_flags (abfd, name,
5125 flags);
5126 if (group == NULL)
da9f89d4
L		 5127 return FALSE;
5128
5129 /* Move the fake group section to the beginning. */
5daa8fe7 5130 bfd_section_list_remove (abfd, group);
04dd1667 5131 bfd_section_list_prepend (abfd, group);
da9f89d4
L		 5132
5133 elf_next_in_group (group) = sec;
5134
5135 elf_group_name (sec) = name;
5136 elf_next_in_group (sec) = sec;
5137 elf_sec_group (sec) = group;
5138
5139 if (unwi)
5140 {
5141 elf_group_name (unwi) = name;
5142 elf_next_in_group (unwi) = sec;
5143 elf_next_in_group (sec) = unwi;
5144 elf_sec_group (unwi) = group;
5145 }
5146
5147 if (unw)
5148 {
5149 elf_group_name (unw) = name;
5150 if (unwi)
5151 {
5152 elf_next_in_group (unw) = elf_next_in_group (unwi);
5153 elf_next_in_group (unwi) = unw;
5154 }
5155 else
5156 {
5157 elf_next_in_group (unw) = sec;
5158 elf_next_in_group (sec) = unw;
5159 }
5160 elf_sec_group (unw) = group;
5161 }
5162
5163 /* Fake SHT_GROUP section header. */
5164 elf_section_data (group)->this_hdr.bfd_section = group;
5165 elf_section_data (group)->this_hdr.sh_type = SHT_GROUP;
5166 }
5167 }
5168 return TRUE;
5169}
5170
b34976b6 5171static bfd_boolean
d9cf1b54
AM		 5172elfNN_ia64_hpux_vec (const bfd_target *vec)
5173{
5174 extern const bfd_target bfd_elfNN_ia64_hpux_big_vec;
5175 return (vec == & bfd_elfNN_ia64_hpux_big_vec);
5176}
5177
fcf12726
AM		 5178static void
5179elfNN_hpux_post_process_headers (abfd, info)
5180 bfd *abfd;
5181 struct bfd_link_info *info ATTRIBUTE_UNUSED;
5182{
5183 Elf_Internal_Ehdr *i_ehdrp = elf_elfheader (abfd);
5184
5185 i_ehdrp->e_ident[EI_OSABI] = ELFOSABI_HPUX;
5186 i_ehdrp->e_ident[EI_ABIVERSION] = 1;
5187}
d9cf1b54 5188
b34976b6 5189bfd_boolean
af746e92 5190elfNN_hpux_backend_section_from_bfd_section (abfd, sec, retval)
d9cf1b54 5191 bfd *abfd ATTRIBUTE_UNUSED;
d9cf1b54
AM		 5192 asection *sec;
5193 int *retval;
5194{
5195 if (bfd_is_com_section (sec))
5196 {
5197 *retval = SHN_IA_64_ANSI_COMMON;
b34976b6 5198 return TRUE;
d9cf1b54 5199 }
b34976b6 5200 return FALSE;
d9cf1b54 5201}
b59dd4a5
L		 5202
5203static void
5204elfNN_hpux_backend_symbol_processing (bfd *abfd ATTRIBUTE_UNUSED,
5205 asymbol *asym)
5206{
5f1cb353 5207 elf_symbol_type *elfsym = (elf_symbol_type *) asym;
b59dd4a5
L		 5208
5209 switch (elfsym->internal_elf_sym.st_shndx)
5210 {
5211 case SHN_IA_64_ANSI_COMMON:
5212 asym->section = bfd_com_section_ptr;
5213 asym->value = elfsym->internal_elf_sym.st_size;
5214 asym->flags &= ~BSF_GLOBAL;
5215 break;
5216 }
5217}
5218
800eeca4 5219\f
bbe66d08
JW		 5220#define TARGET_LITTLE_SYM bfd_elfNN_ia64_little_vec
5221#define TARGET_LITTLE_NAME "elfNN-ia64-little"
5222#define TARGET_BIG_SYM bfd_elfNN_ia64_big_vec
5223#define TARGET_BIG_NAME "elfNN-ia64-big"
800eeca4
JW		 5224#define ELF_ARCH bfd_arch_ia64
5225#define ELF_MACHINE_CODE EM_IA_64
5226#define ELF_MACHINE_ALT1 1999 /* EAS2.3 */
5227#define ELF_MACHINE_ALT2 1998 /* EAS2.2 */
5228#define ELF_MAXPAGESIZE 0x10000 /* 64KB */
5229
5230#define elf_backend_section_from_shdr \
bbe66d08 5231 elfNN_ia64_section_from_shdr
fa152c49 5232#define elf_backend_section_flags \
bbe66d08 5233 elfNN_ia64_section_flags
800eeca4 5234#define elf_backend_fake_sections \
bbe66d08 5235 elfNN_ia64_fake_sections
81545d45
RH		 5236#define elf_backend_final_write_processing \
5237 elfNN_ia64_final_write_processing
800eeca4 5238#define elf_backend_add_symbol_hook \
bbe66d08 5239 elfNN_ia64_add_symbol_hook
800eeca4 5240#define elf_backend_additional_program_headers \
bbe66d08 5241 elfNN_ia64_additional_program_headers
800eeca4 5242#define elf_backend_modify_segment_map \
bbe66d08 5243 elfNN_ia64_modify_segment_map
800eeca4 5244#define elf_info_to_howto \
bbe66d08 5245 elfNN_ia64_info_to_howto
800eeca4 5246
bbe66d08
JW		 5247#define bfd_elfNN_bfd_reloc_type_lookup \
5248 elfNN_ia64_reloc_type_lookup
5249#define bfd_elfNN_bfd_is_local_label_name \
5250 elfNN_ia64_is_local_label_name
5251#define bfd_elfNN_bfd_relax_section \
5252 elfNN_ia64_relax_section
800eeca4 5253
da9f89d4
L		 5254#define elf_backend_object_p \
5255 elfNN_ia64_object_p
5256
800eeca4 5257/* Stuff for the BFD linker: */
bbe66d08
JW		 5258#define bfd_elfNN_bfd_link_hash_table_create \
5259 elfNN_ia64_hash_table_create
0aa92b58
JJ		 5260#define bfd_elfNN_bfd_link_hash_table_free \
5261 elfNN_ia64_hash_table_free
800eeca4 5262#define elf_backend_create_dynamic_sections \
bbe66d08 5263 elfNN_ia64_create_dynamic_sections
800eeca4 5264#define elf_backend_check_relocs \
bbe66d08 5265 elfNN_ia64_check_relocs
800eeca4 5266#define elf_backend_adjust_dynamic_symbol \
bbe66d08 5267 elfNN_ia64_adjust_dynamic_symbol
800eeca4 5268#define elf_backend_size_dynamic_sections \
bbe66d08 5269 elfNN_ia64_size_dynamic_sections
800eeca4 5270#define elf_backend_relocate_section \
bbe66d08 5271 elfNN_ia64_relocate_section
800eeca4 5272#define elf_backend_finish_dynamic_symbol \
bbe66d08 5273 elfNN_ia64_finish_dynamic_symbol
800eeca4 5274#define elf_backend_finish_dynamic_sections \
bbe66d08
JW		 5275 elfNN_ia64_finish_dynamic_sections
5276#define bfd_elfNN_bfd_final_link \
5277 elfNN_ia64_final_link
5278
bbe66d08
JW		 5279#define bfd_elfNN_bfd_merge_private_bfd_data \
5280 elfNN_ia64_merge_private_bfd_data
5281#define bfd_elfNN_bfd_set_private_flags \
5282 elfNN_ia64_set_private_flags
5283#define bfd_elfNN_bfd_print_private_bfd_data \
5284 elfNN_ia64_print_private_bfd_data
800eeca4
JW		 5285
5286#define elf_backend_plt_readonly 1
5287#define elf_backend_want_plt_sym 0
5288#define elf_backend_plt_alignment 5
5289#define elf_backend_got_header_size 0
800eeca4
JW		 5290#define elf_backend_want_got_plt 1
5291#define elf_backend_may_use_rel_p 1
5292#define elf_backend_may_use_rela_p 1
5293#define elf_backend_default_use_rela_p 1
5294#define elf_backend_want_dynbss 0
bbe66d08
JW		 5295#define elf_backend_copy_indirect_symbol elfNN_ia64_hash_copy_indirect
5296#define elf_backend_hide_symbol elfNN_ia64_hash_hide_symbol
db6751f2 5297#define elf_backend_reloc_type_class elfNN_ia64_reloc_type_class
b491616a 5298#define elf_backend_rela_normal 1
29ef7005 5299#define elf_backend_special_sections elfNN_ia64_special_sections
800eeca4 5300
185d09ad
L		 5301/* FIXME: PR 290: The Intel C compiler generates SHT_IA_64_UNWIND with
5302 SHF_LINK_ORDER. But it doesn't set theh sh_link or sh_info fields.
5303 We don't want to flood users with so many error messages. We turn
5304 off the warning for now. It will be turned on later when the Intel
5305 compiler is fixed. */
5306#define elf_backend_link_order_error_handler NULL
5307
bbe66d08 5308#include "elfNN-target.h"
7b6dab7f 5309
fcf12726
AM		 5310/* HPUX-specific vectors. */
5311
5312#undef TARGET_LITTLE_SYM
5313#undef TARGET_LITTLE_NAME
5314#undef TARGET_BIG_SYM
5315#define TARGET_BIG_SYM bfd_elfNN_ia64_hpux_big_vec
5316#undef TARGET_BIG_NAME
5317#define TARGET_BIG_NAME "elfNN-ia64-hpux-big"
5318
254ed743
NC		 5319/* These are HP-UX specific functions. */
5320
fcf12726
AM		 5321#undef elf_backend_post_process_headers
5322#define elf_backend_post_process_headers elfNN_hpux_post_process_headers
5323
d9cf1b54
AM		 5324#undef elf_backend_section_from_bfd_section
5325#define elf_backend_section_from_bfd_section elfNN_hpux_backend_section_from_bfd_section
5326
b59dd4a5
L		 5327#undef elf_backend_symbol_processing
5328#define elf_backend_symbol_processing elfNN_hpux_backend_symbol_processing
5329
5e8d7549
NC		 5330#undef elf_backend_want_p_paddr_set_to_zero
5331#define elf_backend_want_p_paddr_set_to_zero 1
5332
fcf12726
AM		 5333#undef ELF_MAXPAGESIZE
5334#define ELF_MAXPAGESIZE 0x1000 /* 1K */
5335
5336#undef elfNN_bed
5337#define elfNN_bed elfNN_ia64_hpux_bed
5338
5339#include "elfNN-target.h"
5e8d7549
NC		 5340
5341#undef elf_backend_want_p_paddr_set_to_zero
GDB Binutils - Deliverables
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