Commit | Line | Data |
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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 | ||
71 | typedef 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 | 78 | struct 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 | 132 | struct 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 | 143 | struct 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 | 149 | struct 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 |
171 | struct elfNN_ia64_allocate_data |
172 | { | |
173 | struct bfd_link_info *info; | |
174 | bfd_size_type ofs; | |
175 | }; | |
176 | ||
bbe66d08 JW |
177 | #define elfNN_ia64_hash_table(p) \ |
178 | ((struct elfNN_ia64_link_hash_table *) ((p)->hash)) | |
800eeca4 | 179 | |
bbe66d08 | 180 | static bfd_reloc_status_type elfNN_ia64_reloc |
800eeca4 JW |
181 | PARAMS ((bfd *abfd, arelent *reloc, asymbol *sym, PTR data, |
182 | asection *input_section, bfd *output_bfd, char **error_message)); | |
183 | static reloc_howto_type * lookup_howto | |
184 | PARAMS ((unsigned int rtype)); | |
bbe66d08 | 185 | static reloc_howto_type *elfNN_ia64_reloc_type_lookup |
800eeca4 | 186 | PARAMS ((bfd *abfd, bfd_reloc_code_real_type bfd_code)); |
bbe66d08 | 187 | static void elfNN_ia64_info_to_howto |
947216bf | 188 | PARAMS ((bfd *abfd, arelent *bfd_reloc, Elf_Internal_Rela *elf_reloc)); |
b34976b6 | 189 | static bfd_boolean elfNN_ia64_relax_section |
748abff6 | 190 | PARAMS((bfd *abfd, asection *sec, struct bfd_link_info *link_info, |
b34976b6 | 191 | bfd_boolean *again)); |
2c4c2bc0 | 192 | static void elfNN_ia64_relax_ldxmov |
bbb268c3 | 193 | PARAMS((bfd_byte *contents, bfd_vma off)); |
b34976b6 | 194 | static bfd_boolean is_unwind_section_name |
d9cf1b54 | 195 | PARAMS ((bfd *abfd, const char *)); |
b34976b6 | 196 | static bfd_boolean elfNN_ia64_section_flags |
1829f4b2 | 197 | PARAMS ((flagword *, const Elf_Internal_Shdr *)); |
b34976b6 | 198 | static bfd_boolean elfNN_ia64_fake_sections |
947216bf | 199 | PARAMS ((bfd *abfd, Elf_Internal_Shdr *hdr, asection *sec)); |
81545d45 | 200 | static void elfNN_ia64_final_write_processing |
b34976b6 AM |
201 | PARAMS ((bfd *abfd, bfd_boolean linker)); |
202 | static bfd_boolean elfNN_ia64_add_symbol_hook | |
555cd476 | 203 | PARAMS ((bfd *abfd, struct bfd_link_info *info, Elf_Internal_Sym *sym, |
800eeca4 JW |
204 | const char **namep, flagword *flagsp, asection **secp, |
205 | bfd_vma *valp)); | |
bbe66d08 | 206 | static int elfNN_ia64_additional_program_headers |
800eeca4 | 207 | PARAMS ((bfd *abfd)); |
b34976b6 | 208 | static bfd_boolean elfNN_ia64_modify_segment_map |
c84fca4d | 209 | PARAMS ((bfd *, struct bfd_link_info *)); |
b34976b6 | 210 | static bfd_boolean elfNN_ia64_is_local_label_name |
800eeca4 | 211 | PARAMS ((bfd *abfd, const char *name)); |
b34976b6 | 212 | static bfd_boolean elfNN_ia64_dynamic_symbol_p |
986a241f | 213 | PARAMS ((struct elf_link_hash_entry *h, struct bfd_link_info *info, int)); |
bbe66d08 | 214 | static struct bfd_hash_entry *elfNN_ia64_new_elf_hash_entry |
800eeca4 JW |
215 | PARAMS ((struct bfd_hash_entry *entry, struct bfd_hash_table *table, |
216 | const char *string)); | |
cea4409c | 217 | static void elfNN_ia64_hash_copy_indirect |
9c5bfbb7 | 218 | PARAMS ((const struct elf_backend_data *, struct elf_link_hash_entry *, |
b48fa14c | 219 | struct elf_link_hash_entry *)); |
cea4409c | 220 | static void elfNN_ia64_hash_hide_symbol |
b34976b6 | 221 | PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *, bfd_boolean)); |
0aa92b58 JJ |
222 | static hashval_t elfNN_ia64_local_htab_hash PARAMS ((const void *)); |
223 | static int elfNN_ia64_local_htab_eq PARAMS ((const void *ptr1, | |
224 | const void *ptr2)); | |
bbe66d08 | 225 | static struct bfd_link_hash_table *elfNN_ia64_hash_table_create |
800eeca4 | 226 | PARAMS ((bfd *abfd)); |
0aa92b58 JJ |
227 | static void elfNN_ia64_hash_table_free |
228 | PARAMS ((struct bfd_link_hash_table *hash)); | |
b34976b6 | 229 | static bfd_boolean elfNN_ia64_global_dyn_sym_thunk |
cea4409c | 230 | PARAMS ((struct bfd_hash_entry *, PTR)); |
0aa92b58 JJ |
231 | static int elfNN_ia64_local_dyn_sym_thunk |
232 | PARAMS ((void **, PTR)); | |
bbe66d08 JW |
233 | static void elfNN_ia64_dyn_sym_traverse |
234 | PARAMS ((struct elfNN_ia64_link_hash_table *ia64_info, | |
b34976b6 | 235 | bfd_boolean (*func) (struct elfNN_ia64_dyn_sym_info *, PTR), |
800eeca4 | 236 | PTR info)); |
b34976b6 | 237 | static bfd_boolean elfNN_ia64_create_dynamic_sections |
800eeca4 | 238 | PARAMS ((bfd *abfd, struct bfd_link_info *info)); |
f7460f5f JJ |
239 | static struct elfNN_ia64_local_hash_entry * get_local_sym_hash |
240 | PARAMS ((struct elfNN_ia64_link_hash_table *ia64_info, | |
b34976b6 | 241 | bfd *abfd, const Elf_Internal_Rela *rel, bfd_boolean create)); |
bbe66d08 JW |
242 | static struct elfNN_ia64_dyn_sym_info * get_dyn_sym_info |
243 | PARAMS ((struct elfNN_ia64_link_hash_table *ia64_info, | |
800eeca4 | 244 | struct elf_link_hash_entry *h, |
b34976b6 | 245 | bfd *abfd, const Elf_Internal_Rela *rel, bfd_boolean create)); |
800eeca4 JW |
246 | static asection *get_got |
247 | PARAMS ((bfd *abfd, struct bfd_link_info *info, | |
bbe66d08 | 248 | struct elfNN_ia64_link_hash_table *ia64_info)); |
800eeca4 JW |
249 | static asection *get_fptr |
250 | PARAMS ((bfd *abfd, struct bfd_link_info *info, | |
bbe66d08 | 251 | struct elfNN_ia64_link_hash_table *ia64_info)); |
800eeca4 JW |
252 | static asection *get_pltoff |
253 | PARAMS ((bfd *abfd, struct bfd_link_info *info, | |
bbe66d08 | 254 | struct elfNN_ia64_link_hash_table *ia64_info)); |
800eeca4 | 255 | static asection *get_reloc_section |
bbe66d08 | 256 | PARAMS ((bfd *abfd, struct elfNN_ia64_link_hash_table *ia64_info, |
b34976b6 | 257 | asection *sec, bfd_boolean create)); |
b34976b6 | 258 | static bfd_boolean elfNN_ia64_check_relocs |
800eeca4 JW |
259 | PARAMS ((bfd *abfd, struct bfd_link_info *info, asection *sec, |
260 | const Elf_Internal_Rela *relocs)); | |
b34976b6 | 261 | static bfd_boolean elfNN_ia64_adjust_dynamic_symbol |
800eeca4 | 262 | PARAMS ((struct bfd_link_info *info, struct elf_link_hash_entry *h)); |
dc810e39 | 263 | static long global_sym_index |
800eeca4 | 264 | PARAMS ((struct elf_link_hash_entry *h)); |
b34976b6 | 265 | static bfd_boolean allocate_fptr |
bbe66d08 | 266 | PARAMS ((struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data)); |
b34976b6 | 267 | static bfd_boolean allocate_global_data_got |
bbe66d08 | 268 | PARAMS ((struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data)); |
b34976b6 | 269 | static bfd_boolean allocate_global_fptr_got |
bbe66d08 | 270 | PARAMS ((struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data)); |
b34976b6 | 271 | static bfd_boolean allocate_local_got |
bbe66d08 | 272 | PARAMS ((struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data)); |
b34976b6 | 273 | static bfd_boolean allocate_pltoff_entries |
bbe66d08 | 274 | PARAMS ((struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data)); |
b34976b6 | 275 | static bfd_boolean allocate_plt_entries |
bbe66d08 | 276 | PARAMS ((struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data)); |
b34976b6 | 277 | static bfd_boolean allocate_plt2_entries |
bbe66d08 | 278 | PARAMS ((struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data)); |
b34976b6 | 279 | static bfd_boolean allocate_dynrel_entries |
bbe66d08 | 280 | PARAMS ((struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data)); |
b34976b6 | 281 | static bfd_boolean elfNN_ia64_size_dynamic_sections |
800eeca4 | 282 | PARAMS ((bfd *output_bfd, struct bfd_link_info *info)); |
bbe66d08 | 283 | static bfd_reloc_status_type elfNN_ia64_install_value |
bbb268c3 | 284 | PARAMS ((bfd_byte *hit_addr, bfd_vma val, unsigned int r_type)); |
bbe66d08 | 285 | static void elfNN_ia64_install_dyn_reloc |
800eeca4 JW |
286 | PARAMS ((bfd *abfd, struct bfd_link_info *info, asection *sec, |
287 | asection *srel, bfd_vma offset, unsigned int type, | |
288 | long dynindx, bfd_vma addend)); | |
289 | static bfd_vma set_got_entry | |
290 | PARAMS ((bfd *abfd, struct bfd_link_info *info, | |
bbe66d08 | 291 | struct elfNN_ia64_dyn_sym_info *dyn_i, long dynindx, |
800eeca4 JW |
292 | bfd_vma addend, bfd_vma value, unsigned int dyn_r_type)); |
293 | static bfd_vma set_fptr_entry | |
294 | PARAMS ((bfd *abfd, struct bfd_link_info *info, | |
bbe66d08 | 295 | struct elfNN_ia64_dyn_sym_info *dyn_i, |
800eeca4 JW |
296 | bfd_vma value)); |
297 | static bfd_vma set_pltoff_entry | |
298 | PARAMS ((bfd *abfd, struct bfd_link_info *info, | |
bbe66d08 | 299 | struct elfNN_ia64_dyn_sym_info *dyn_i, |
b34976b6 | 300 | bfd_vma value, bfd_boolean)); |
13ae64f3 JJ |
301 | static bfd_vma elfNN_ia64_tprel_base |
302 | PARAMS ((struct bfd_link_info *info)); | |
303 | static bfd_vma elfNN_ia64_dtprel_base | |
304 | PARAMS ((struct bfd_link_info *info)); | |
cea4409c AM |
305 | static int elfNN_ia64_unwind_entry_compare |
306 | PARAMS ((const PTR, const PTR)); | |
2c4c2bc0 RH |
307 | static bfd_boolean elfNN_ia64_choose_gp |
308 | PARAMS ((bfd *abfd, struct bfd_link_info *info)); | |
b34976b6 | 309 | static bfd_boolean elfNN_ia64_final_link |
800eeca4 | 310 | PARAMS ((bfd *abfd, struct bfd_link_info *info)); |
b34976b6 | 311 | static bfd_boolean elfNN_ia64_relocate_section |
800eeca4 JW |
312 | PARAMS ((bfd *output_bfd, struct bfd_link_info *info, bfd *input_bfd, |
313 | asection *input_section, bfd_byte *contents, | |
314 | Elf_Internal_Rela *relocs, Elf_Internal_Sym *local_syms, | |
315 | asection **local_sections)); | |
b34976b6 | 316 | static bfd_boolean elfNN_ia64_finish_dynamic_symbol |
800eeca4 JW |
317 | PARAMS ((bfd *output_bfd, struct bfd_link_info *info, |
318 | struct elf_link_hash_entry *h, Elf_Internal_Sym *sym)); | |
b34976b6 | 319 | static bfd_boolean elfNN_ia64_finish_dynamic_sections |
800eeca4 | 320 | PARAMS ((bfd *abfd, struct bfd_link_info *info)); |
b34976b6 | 321 | static bfd_boolean elfNN_ia64_set_private_flags |
800eeca4 | 322 | PARAMS ((bfd *abfd, flagword flags)); |
b34976b6 | 323 | static bfd_boolean elfNN_ia64_merge_private_bfd_data |
800eeca4 | 324 | PARAMS ((bfd *ibfd, bfd *obfd)); |
b34976b6 | 325 | static bfd_boolean elfNN_ia64_print_private_bfd_data |
800eeca4 | 326 | PARAMS ((bfd *abfd, PTR ptr)); |
db6751f2 | 327 | static enum elf_reloc_type_class elfNN_ia64_reloc_type_class |
f51e552e | 328 | PARAMS ((const Elf_Internal_Rela *)); |
b34976b6 | 329 | static bfd_boolean elfNN_ia64_hpux_vec |
d9cf1b54 | 330 | PARAMS ((const bfd_target *vec)); |
fcf12726 AM |
331 | static void elfNN_hpux_post_process_headers |
332 | PARAMS ((bfd *abfd, struct bfd_link_info *info)); | |
b34976b6 | 333 | bfd_boolean elfNN_hpux_backend_section_from_bfd_section |
af746e92 | 334 | PARAMS ((bfd *abfd, asection *sec, int *retval)); |
800eeca4 | 335 | \f |
5e8d7549 | 336 | /* ia64-specific relocation. */ |
800eeca4 JW |
337 | |
338 | /* Perform a relocation. Not much to do here as all the hard work is | |
bbe66d08 | 339 | done in elfNN_ia64_final_link_relocate. */ |
800eeca4 | 340 | static bfd_reloc_status_type |
bbe66d08 | 341 | elfNN_ia64_reloc (abfd, reloc, sym, data, input_section, |
800eeca4 | 342 | output_bfd, error_message) |
64bf6ae6 | 343 | bfd *abfd ATTRIBUTE_UNUSED; |
800eeca4 | 344 | arelent *reloc; |
64bf6ae6 JW |
345 | asymbol *sym ATTRIBUTE_UNUSED; |
346 | PTR data ATTRIBUTE_UNUSED; | |
800eeca4 JW |
347 | asection *input_section; |
348 | bfd *output_bfd; | |
349 | char **error_message; | |
350 | { | |
351 | if (output_bfd) | |
352 | { | |
353 | reloc->address += input_section->output_offset; | |
354 | return bfd_reloc_ok; | |
355 | } | |
6e84a906 DJ |
356 | |
357 | if (input_section->flags & SEC_DEBUGGING) | |
358 | return bfd_reloc_continue; | |
359 | ||
bbe66d08 | 360 | *error_message = "Unsupported call to elfNN_ia64_reloc"; |
800eeca4 JW |
361 | return bfd_reloc_notsupported; |
362 | } | |
363 | ||
364 | #define IA64_HOWTO(TYPE, NAME, SIZE, PCREL, IN) \ | |
365 | HOWTO (TYPE, 0, SIZE, 0, PCREL, 0, complain_overflow_signed, \ | |
eff26f78 | 366 | elfNN_ia64_reloc, NAME, FALSE, 0, -1, IN) |
800eeca4 JW |
367 | |
368 | /* This table has to be sorted according to increasing number of the | |
369 | TYPE field. */ | |
370 | static reloc_howto_type ia64_howto_table[] = | |
371 | { | |
b34976b6 AM |
372 | IA64_HOWTO (R_IA64_NONE, "NONE", 0, FALSE, TRUE), |
373 | ||
374 | IA64_HOWTO (R_IA64_IMM14, "IMM14", 0, FALSE, TRUE), | |
375 | IA64_HOWTO (R_IA64_IMM22, "IMM22", 0, FALSE, TRUE), | |
376 | IA64_HOWTO (R_IA64_IMM64, "IMM64", 0, FALSE, TRUE), | |
377 | IA64_HOWTO (R_IA64_DIR32MSB, "DIR32MSB", 2, FALSE, TRUE), | |
378 | IA64_HOWTO (R_IA64_DIR32LSB, "DIR32LSB", 2, FALSE, TRUE), | |
379 | IA64_HOWTO (R_IA64_DIR64MSB, "DIR64MSB", 4, FALSE, TRUE), | |
380 | IA64_HOWTO (R_IA64_DIR64LSB, "DIR64LSB", 4, FALSE, TRUE), | |
381 | ||
382 | IA64_HOWTO (R_IA64_GPREL22, "GPREL22", 0, FALSE, TRUE), | |
383 | IA64_HOWTO (R_IA64_GPREL64I, "GPREL64I", 0, FALSE, TRUE), | |
384 | IA64_HOWTO (R_IA64_GPREL32MSB, "GPREL32MSB", 2, FALSE, TRUE), | |
385 | IA64_HOWTO (R_IA64_GPREL32LSB, "GPREL32LSB", 2, FALSE, TRUE), | |
386 | IA64_HOWTO (R_IA64_GPREL64MSB, "GPREL64MSB", 4, FALSE, TRUE), | |
387 | IA64_HOWTO (R_IA64_GPREL64LSB, "GPREL64LSB", 4, FALSE, TRUE), | |
388 | ||
389 | IA64_HOWTO (R_IA64_LTOFF22, "LTOFF22", 0, FALSE, TRUE), | |
390 | IA64_HOWTO (R_IA64_LTOFF64I, "LTOFF64I", 0, FALSE, TRUE), | |
391 | ||
392 | IA64_HOWTO (R_IA64_PLTOFF22, "PLTOFF22", 0, FALSE, TRUE), | |
393 | IA64_HOWTO (R_IA64_PLTOFF64I, "PLTOFF64I", 0, FALSE, TRUE), | |
394 | IA64_HOWTO (R_IA64_PLTOFF64MSB, "PLTOFF64MSB", 4, FALSE, TRUE), | |
395 | IA64_HOWTO (R_IA64_PLTOFF64LSB, "PLTOFF64LSB", 4, FALSE, TRUE), | |
396 | ||
397 | IA64_HOWTO (R_IA64_FPTR64I, "FPTR64I", 0, FALSE, TRUE), | |
398 | IA64_HOWTO (R_IA64_FPTR32MSB, "FPTR32MSB", 2, FALSE, TRUE), | |
399 | IA64_HOWTO (R_IA64_FPTR32LSB, "FPTR32LSB", 2, FALSE, TRUE), | |
400 | IA64_HOWTO (R_IA64_FPTR64MSB, "FPTR64MSB", 4, FALSE, TRUE), | |
401 | IA64_HOWTO (R_IA64_FPTR64LSB, "FPTR64LSB", 4, FALSE, TRUE), | |
402 | ||
403 | IA64_HOWTO (R_IA64_PCREL60B, "PCREL60B", 0, TRUE, TRUE), | |
404 | IA64_HOWTO (R_IA64_PCREL21B, "PCREL21B", 0, TRUE, TRUE), | |
405 | IA64_HOWTO (R_IA64_PCREL21M, "PCREL21M", 0, TRUE, TRUE), | |
406 | IA64_HOWTO (R_IA64_PCREL21F, "PCREL21F", 0, TRUE, TRUE), | |
407 | IA64_HOWTO (R_IA64_PCREL32MSB, "PCREL32MSB", 2, TRUE, TRUE), | |
408 | IA64_HOWTO (R_IA64_PCREL32LSB, "PCREL32LSB", 2, TRUE, TRUE), | |
409 | IA64_HOWTO (R_IA64_PCREL64MSB, "PCREL64MSB", 4, TRUE, TRUE), | |
410 | IA64_HOWTO (R_IA64_PCREL64LSB, "PCREL64LSB", 4, TRUE, TRUE), | |
411 | ||
412 | IA64_HOWTO (R_IA64_LTOFF_FPTR22, "LTOFF_FPTR22", 0, FALSE, TRUE), | |
413 | IA64_HOWTO (R_IA64_LTOFF_FPTR64I, "LTOFF_FPTR64I", 0, FALSE, TRUE), | |
414 | IA64_HOWTO (R_IA64_LTOFF_FPTR32MSB, "LTOFF_FPTR32MSB", 2, FALSE, TRUE), | |
415 | IA64_HOWTO (R_IA64_LTOFF_FPTR32LSB, "LTOFF_FPTR32LSB", 2, FALSE, TRUE), | |
416 | IA64_HOWTO (R_IA64_LTOFF_FPTR64MSB, "LTOFF_FPTR64MSB", 4, FALSE, TRUE), | |
417 | IA64_HOWTO (R_IA64_LTOFF_FPTR64LSB, "LTOFF_FPTR64LSB", 4, FALSE, TRUE), | |
418 | ||
419 | IA64_HOWTO (R_IA64_SEGREL32MSB, "SEGREL32MSB", 2, FALSE, TRUE), | |
420 | IA64_HOWTO (R_IA64_SEGREL32LSB, "SEGREL32LSB", 2, FALSE, TRUE), | |
421 | IA64_HOWTO (R_IA64_SEGREL64MSB, "SEGREL64MSB", 4, FALSE, TRUE), | |
422 | IA64_HOWTO (R_IA64_SEGREL64LSB, "SEGREL64LSB", 4, FALSE, TRUE), | |
423 | ||
424 | IA64_HOWTO (R_IA64_SECREL32MSB, "SECREL32MSB", 2, FALSE, TRUE), | |
425 | IA64_HOWTO (R_IA64_SECREL32LSB, "SECREL32LSB", 2, FALSE, TRUE), | |
426 | IA64_HOWTO (R_IA64_SECREL64MSB, "SECREL64MSB", 4, FALSE, TRUE), | |
427 | IA64_HOWTO (R_IA64_SECREL64LSB, "SECREL64LSB", 4, FALSE, TRUE), | |
428 | ||
429 | IA64_HOWTO (R_IA64_REL32MSB, "REL32MSB", 2, FALSE, TRUE), | |
430 | IA64_HOWTO (R_IA64_REL32LSB, "REL32LSB", 2, FALSE, TRUE), | |
431 | IA64_HOWTO (R_IA64_REL64MSB, "REL64MSB", 4, FALSE, TRUE), | |
432 | IA64_HOWTO (R_IA64_REL64LSB, "REL64LSB", 4, FALSE, TRUE), | |
433 | ||
434 | IA64_HOWTO (R_IA64_LTV32MSB, "LTV32MSB", 2, FALSE, TRUE), | |
435 | IA64_HOWTO (R_IA64_LTV32LSB, "LTV32LSB", 2, FALSE, TRUE), | |
436 | IA64_HOWTO (R_IA64_LTV64MSB, "LTV64MSB", 4, FALSE, TRUE), | |
437 | IA64_HOWTO (R_IA64_LTV64LSB, "LTV64LSB", 4, FALSE, TRUE), | |
438 | ||
439 | IA64_HOWTO (R_IA64_PCREL21BI, "PCREL21BI", 0, TRUE, TRUE), | |
440 | IA64_HOWTO (R_IA64_PCREL22, "PCREL22", 0, TRUE, TRUE), | |
441 | IA64_HOWTO (R_IA64_PCREL64I, "PCREL64I", 0, TRUE, TRUE), | |
442 | ||
443 | IA64_HOWTO (R_IA64_IPLTMSB, "IPLTMSB", 4, FALSE, TRUE), | |
444 | IA64_HOWTO (R_IA64_IPLTLSB, "IPLTLSB", 4, FALSE, TRUE), | |
445 | IA64_HOWTO (R_IA64_COPY, "COPY", 4, FALSE, TRUE), | |
446 | IA64_HOWTO (R_IA64_LTOFF22X, "LTOFF22X", 0, FALSE, TRUE), | |
447 | IA64_HOWTO (R_IA64_LDXMOV, "LDXMOV", 0, FALSE, TRUE), | |
448 | ||
449 | IA64_HOWTO (R_IA64_TPREL14, "TPREL14", 0, FALSE, FALSE), | |
450 | IA64_HOWTO (R_IA64_TPREL22, "TPREL22", 0, FALSE, FALSE), | |
451 | IA64_HOWTO (R_IA64_TPREL64I, "TPREL64I", 0, FALSE, FALSE), | |
1fc0d173 JJ |
452 | IA64_HOWTO (R_IA64_TPREL64MSB, "TPREL64MSB", 4, FALSE, FALSE), |
453 | IA64_HOWTO (R_IA64_TPREL64LSB, "TPREL64LSB", 4, FALSE, FALSE), | |
b34976b6 AM |
454 | IA64_HOWTO (R_IA64_LTOFF_TPREL22, "LTOFF_TPREL22", 0, FALSE, FALSE), |
455 | ||
0ca3e455 JB |
456 | IA64_HOWTO (R_IA64_DTPMOD64MSB, "DTPMOD64MSB", 4, FALSE, FALSE), |
457 | IA64_HOWTO (R_IA64_DTPMOD64LSB, "DTPMOD64LSB", 4, FALSE, FALSE), | |
b34976b6 AM |
458 | IA64_HOWTO (R_IA64_LTOFF_DTPMOD22, "LTOFF_DTPMOD22", 0, FALSE, FALSE), |
459 | ||
460 | IA64_HOWTO (R_IA64_DTPREL14, "DTPREL14", 0, FALSE, FALSE), | |
461 | IA64_HOWTO (R_IA64_DTPREL22, "DTPREL22", 0, FALSE, FALSE), | |
462 | IA64_HOWTO (R_IA64_DTPREL64I, "DTPREL64I", 0, FALSE, FALSE), | |
1fc0d173 JJ |
463 | IA64_HOWTO (R_IA64_DTPREL32MSB, "DTPREL32MSB", 2, FALSE, FALSE), |
464 | IA64_HOWTO (R_IA64_DTPREL32LSB, "DTPREL32LSB", 2, FALSE, FALSE), | |
465 | IA64_HOWTO (R_IA64_DTPREL64MSB, "DTPREL64MSB", 4, FALSE, FALSE), | |
466 | IA64_HOWTO (R_IA64_DTPREL64LSB, "DTPREL64LSB", 4, FALSE, FALSE), | |
b34976b6 | 467 | IA64_HOWTO (R_IA64_LTOFF_DTPREL22, "LTOFF_DTPREL22", 0, FALSE, FALSE), |
800eeca4 JW |
468 | }; |
469 | ||
470 | static unsigned char elf_code_to_howto_index[R_IA64_MAX_RELOC_CODE + 1]; | |
471 | ||
472 | /* Given a BFD reloc type, return the matching HOWTO structure. */ | |
473 | ||
5e8d7549 | 474 | static reloc_howto_type * |
800eeca4 JW |
475 | lookup_howto (rtype) |
476 | unsigned int rtype; | |
477 | { | |
478 | static int inited = 0; | |
479 | int i; | |
480 | ||
481 | if (!inited) | |
482 | { | |
483 | inited = 1; | |
484 | ||
485 | memset (elf_code_to_howto_index, 0xff, sizeof (elf_code_to_howto_index)); | |
486 | for (i = 0; i < NELEMS (ia64_howto_table); ++i) | |
487 | elf_code_to_howto_index[ia64_howto_table[i].type] = i; | |
488 | } | |
489 | ||
490 | BFD_ASSERT (rtype <= R_IA64_MAX_RELOC_CODE); | |
491 | i = elf_code_to_howto_index[rtype]; | |
492 | if (i >= NELEMS (ia64_howto_table)) | |
493 | return 0; | |
494 | return ia64_howto_table + i; | |
495 | } | |
496 | ||
497 | static reloc_howto_type* | |
bbe66d08 | 498 | elfNN_ia64_reloc_type_lookup (abfd, bfd_code) |
64bf6ae6 | 499 | bfd *abfd ATTRIBUTE_UNUSED; |
800eeca4 JW |
500 | bfd_reloc_code_real_type bfd_code; |
501 | { | |
502 | unsigned int rtype; | |
503 | ||
504 | switch (bfd_code) | |
505 | { | |
506 | case BFD_RELOC_NONE: rtype = R_IA64_NONE; break; | |
507 | ||
508 | case BFD_RELOC_IA64_IMM14: rtype = R_IA64_IMM14; break; | |
509 | case BFD_RELOC_IA64_IMM22: rtype = R_IA64_IMM22; break; | |
510 | case BFD_RELOC_IA64_IMM64: rtype = R_IA64_IMM64; break; | |
511 | ||
512 | case BFD_RELOC_IA64_DIR32MSB: rtype = R_IA64_DIR32MSB; break; | |
513 | case BFD_RELOC_IA64_DIR32LSB: rtype = R_IA64_DIR32LSB; break; | |
514 | case BFD_RELOC_IA64_DIR64MSB: rtype = R_IA64_DIR64MSB; break; | |
515 | case BFD_RELOC_IA64_DIR64LSB: rtype = R_IA64_DIR64LSB; break; | |
516 | ||
517 | case BFD_RELOC_IA64_GPREL22: rtype = R_IA64_GPREL22; break; | |
518 | case BFD_RELOC_IA64_GPREL64I: rtype = R_IA64_GPREL64I; break; | |
519 | case BFD_RELOC_IA64_GPREL32MSB: rtype = R_IA64_GPREL32MSB; break; | |
520 | case BFD_RELOC_IA64_GPREL32LSB: rtype = R_IA64_GPREL32LSB; break; | |
521 | case BFD_RELOC_IA64_GPREL64MSB: rtype = R_IA64_GPREL64MSB; break; | |
522 | case BFD_RELOC_IA64_GPREL64LSB: rtype = R_IA64_GPREL64LSB; break; | |
523 | ||
524 | case BFD_RELOC_IA64_LTOFF22: rtype = R_IA64_LTOFF22; break; | |
525 | case BFD_RELOC_IA64_LTOFF64I: rtype = R_IA64_LTOFF64I; break; | |
526 | ||
527 | case BFD_RELOC_IA64_PLTOFF22: rtype = R_IA64_PLTOFF22; break; | |
528 | case BFD_RELOC_IA64_PLTOFF64I: rtype = R_IA64_PLTOFF64I; break; | |
529 | case BFD_RELOC_IA64_PLTOFF64MSB: rtype = R_IA64_PLTOFF64MSB; break; | |
530 | case BFD_RELOC_IA64_PLTOFF64LSB: rtype = R_IA64_PLTOFF64LSB; break; | |
531 | case BFD_RELOC_IA64_FPTR64I: rtype = R_IA64_FPTR64I; break; | |
532 | case BFD_RELOC_IA64_FPTR32MSB: rtype = R_IA64_FPTR32MSB; break; | |
533 | case BFD_RELOC_IA64_FPTR32LSB: rtype = R_IA64_FPTR32LSB; break; | |
534 | case BFD_RELOC_IA64_FPTR64MSB: rtype = R_IA64_FPTR64MSB; break; | |
535 | case BFD_RELOC_IA64_FPTR64LSB: rtype = R_IA64_FPTR64LSB; break; | |
536 | ||
537 | case BFD_RELOC_IA64_PCREL21B: rtype = R_IA64_PCREL21B; break; | |
748abff6 | 538 | case BFD_RELOC_IA64_PCREL21BI: rtype = R_IA64_PCREL21BI; break; |
800eeca4 JW |
539 | case BFD_RELOC_IA64_PCREL21M: rtype = R_IA64_PCREL21M; break; |
540 | case BFD_RELOC_IA64_PCREL21F: rtype = R_IA64_PCREL21F; break; | |
748abff6 RH |
541 | case BFD_RELOC_IA64_PCREL22: rtype = R_IA64_PCREL22; break; |
542 | case BFD_RELOC_IA64_PCREL60B: rtype = R_IA64_PCREL60B; break; | |
543 | case BFD_RELOC_IA64_PCREL64I: rtype = R_IA64_PCREL64I; break; | |
800eeca4 JW |
544 | case BFD_RELOC_IA64_PCREL32MSB: rtype = R_IA64_PCREL32MSB; break; |
545 | case BFD_RELOC_IA64_PCREL32LSB: rtype = R_IA64_PCREL32LSB; break; | |
546 | case BFD_RELOC_IA64_PCREL64MSB: rtype = R_IA64_PCREL64MSB; break; | |
547 | case BFD_RELOC_IA64_PCREL64LSB: rtype = R_IA64_PCREL64LSB; break; | |
548 | ||
549 | case BFD_RELOC_IA64_LTOFF_FPTR22: rtype = R_IA64_LTOFF_FPTR22; break; | |
550 | case BFD_RELOC_IA64_LTOFF_FPTR64I: rtype = R_IA64_LTOFF_FPTR64I; break; | |
a4bd8390 JW |
551 | case BFD_RELOC_IA64_LTOFF_FPTR32MSB: rtype = R_IA64_LTOFF_FPTR32MSB; break; |
552 | case BFD_RELOC_IA64_LTOFF_FPTR32LSB: rtype = R_IA64_LTOFF_FPTR32LSB; break; | |
800eeca4 JW |
553 | case BFD_RELOC_IA64_LTOFF_FPTR64MSB: rtype = R_IA64_LTOFF_FPTR64MSB; break; |
554 | case BFD_RELOC_IA64_LTOFF_FPTR64LSB: rtype = R_IA64_LTOFF_FPTR64LSB; break; | |
555 | ||
800eeca4 JW |
556 | case BFD_RELOC_IA64_SEGREL32MSB: rtype = R_IA64_SEGREL32MSB; break; |
557 | case BFD_RELOC_IA64_SEGREL32LSB: rtype = R_IA64_SEGREL32LSB; break; | |
558 | case BFD_RELOC_IA64_SEGREL64MSB: rtype = R_IA64_SEGREL64MSB; break; | |
559 | case BFD_RELOC_IA64_SEGREL64LSB: rtype = R_IA64_SEGREL64LSB; break; | |
560 | ||
561 | case BFD_RELOC_IA64_SECREL32MSB: rtype = R_IA64_SECREL32MSB; break; | |
562 | case BFD_RELOC_IA64_SECREL32LSB: rtype = R_IA64_SECREL32LSB; break; | |
563 | case BFD_RELOC_IA64_SECREL64MSB: rtype = R_IA64_SECREL64MSB; break; | |
564 | case BFD_RELOC_IA64_SECREL64LSB: rtype = R_IA64_SECREL64LSB; break; | |
565 | ||
566 | case BFD_RELOC_IA64_REL32MSB: rtype = R_IA64_REL32MSB; break; | |
567 | case BFD_RELOC_IA64_REL32LSB: rtype = R_IA64_REL32LSB; break; | |
568 | case BFD_RELOC_IA64_REL64MSB: rtype = R_IA64_REL64MSB; break; | |
569 | case BFD_RELOC_IA64_REL64LSB: rtype = R_IA64_REL64LSB; break; | |
570 | ||
571 | case BFD_RELOC_IA64_LTV32MSB: rtype = R_IA64_LTV32MSB; break; | |
572 | case BFD_RELOC_IA64_LTV32LSB: rtype = R_IA64_LTV32LSB; break; | |
573 | case BFD_RELOC_IA64_LTV64MSB: rtype = R_IA64_LTV64MSB; break; | |
574 | case BFD_RELOC_IA64_LTV64LSB: rtype = R_IA64_LTV64LSB; break; | |
575 | ||
576 | case BFD_RELOC_IA64_IPLTMSB: rtype = R_IA64_IPLTMSB; break; | |
577 | case BFD_RELOC_IA64_IPLTLSB: rtype = R_IA64_IPLTLSB; break; | |
800eeca4 JW |
578 | case BFD_RELOC_IA64_COPY: rtype = R_IA64_COPY; break; |
579 | case BFD_RELOC_IA64_LTOFF22X: rtype = R_IA64_LTOFF22X; break; | |
580 | case BFD_RELOC_IA64_LDXMOV: rtype = R_IA64_LDXMOV; break; | |
581 | ||
13ae64f3 | 582 | case BFD_RELOC_IA64_TPREL14: rtype = R_IA64_TPREL14; break; |
800eeca4 | 583 | case BFD_RELOC_IA64_TPREL22: rtype = R_IA64_TPREL22; break; |
13ae64f3 | 584 | case BFD_RELOC_IA64_TPREL64I: rtype = R_IA64_TPREL64I; break; |
800eeca4 JW |
585 | case BFD_RELOC_IA64_TPREL64MSB: rtype = R_IA64_TPREL64MSB; break; |
586 | case BFD_RELOC_IA64_TPREL64LSB: rtype = R_IA64_TPREL64LSB; break; | |
13ae64f3 JJ |
587 | case BFD_RELOC_IA64_LTOFF_TPREL22: rtype = R_IA64_LTOFF_TPREL22; break; |
588 | ||
589 | case BFD_RELOC_IA64_DTPMOD64MSB: rtype = R_IA64_DTPMOD64MSB; break; | |
590 | case BFD_RELOC_IA64_DTPMOD64LSB: rtype = R_IA64_DTPMOD64LSB; break; | |
591 | case BFD_RELOC_IA64_LTOFF_DTPMOD22: rtype = R_IA64_LTOFF_DTPMOD22; break; | |
592 | ||
593 | case BFD_RELOC_IA64_DTPREL14: rtype = R_IA64_DTPREL14; break; | |
594 | case BFD_RELOC_IA64_DTPREL22: rtype = R_IA64_DTPREL22; break; | |
595 | case BFD_RELOC_IA64_DTPREL64I: rtype = R_IA64_DTPREL64I; break; | |
596 | case BFD_RELOC_IA64_DTPREL32MSB: rtype = R_IA64_DTPREL32MSB; break; | |
597 | case BFD_RELOC_IA64_DTPREL32LSB: rtype = R_IA64_DTPREL32LSB; break; | |
598 | case BFD_RELOC_IA64_DTPREL64MSB: rtype = R_IA64_DTPREL64MSB; break; | |
599 | case BFD_RELOC_IA64_DTPREL64LSB: rtype = R_IA64_DTPREL64LSB; break; | |
600 | case BFD_RELOC_IA64_LTOFF_DTPREL22: rtype = R_IA64_LTOFF_DTPREL22; break; | |
800eeca4 JW |
601 | |
602 | default: return 0; | |
603 | } | |
604 | return lookup_howto (rtype); | |
605 | } | |
606 | ||
607 | /* Given a ELF reloc, return the matching HOWTO structure. */ | |
608 | ||
609 | static void | |
bbe66d08 | 610 | elfNN_ia64_info_to_howto (abfd, bfd_reloc, elf_reloc) |
64bf6ae6 | 611 | bfd *abfd ATTRIBUTE_UNUSED; |
800eeca4 | 612 | arelent *bfd_reloc; |
947216bf | 613 | Elf_Internal_Rela *elf_reloc; |
800eeca4 | 614 | { |
dc810e39 AM |
615 | bfd_reloc->howto |
616 | = lookup_howto ((unsigned int) ELFNN_R_TYPE (elf_reloc->r_info)); | |
800eeca4 JW |
617 | } |
618 | \f | |
619 | #define PLT_HEADER_SIZE (3 * 16) | |
620 | #define PLT_MIN_ENTRY_SIZE (1 * 16) | |
621 | #define PLT_FULL_ENTRY_SIZE (2 * 16) | |
622 | #define PLT_RESERVED_WORDS 3 | |
623 | ||
624 | static const bfd_byte plt_header[PLT_HEADER_SIZE] = | |
625 | { | |
626 | 0x0b, 0x10, 0x00, 0x1c, 0x00, 0x21, /* [MMI] mov r2=r14;; */ | |
627 | 0xe0, 0x00, 0x08, 0x00, 0x48, 0x00, /* addl r14=0,r2 */ | |
628 | 0x00, 0x00, 0x04, 0x00, /* nop.i 0x0;; */ | |
629 | 0x0b, 0x80, 0x20, 0x1c, 0x18, 0x14, /* [MMI] ld8 r16=[r14],8;; */ | |
630 | 0x10, 0x41, 0x38, 0x30, 0x28, 0x00, /* ld8 r17=[r14],8 */ | |
631 | 0x00, 0x00, 0x04, 0x00, /* nop.i 0x0;; */ | |
632 | 0x11, 0x08, 0x00, 0x1c, 0x18, 0x10, /* [MIB] ld8 r1=[r14] */ | |
633 | 0x60, 0x88, 0x04, 0x80, 0x03, 0x00, /* mov b6=r17 */ | |
634 | 0x60, 0x00, 0x80, 0x00 /* br.few b6;; */ | |
635 | }; | |
636 | ||
637 | static const bfd_byte plt_min_entry[PLT_MIN_ENTRY_SIZE] = | |
638 | { | |
639 | 0x11, 0x78, 0x00, 0x00, 0x00, 0x24, /* [MIB] mov r15=0 */ | |
640 | 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, /* nop.i 0x0 */ | |
641 | 0x00, 0x00, 0x00, 0x40 /* br.few 0 <PLT0>;; */ | |
642 | }; | |
643 | ||
644 | static const bfd_byte plt_full_entry[PLT_FULL_ENTRY_SIZE] = | |
645 | { | |
646 | 0x0b, 0x78, 0x00, 0x02, 0x00, 0x24, /* [MMI] addl r15=0,r1;; */ | |
8b6f2683 | 647 | 0x00, 0x41, 0x3c, 0x70, 0x29, 0xc0, /* ld8.acq r16=[r15],8*/ |
800eeca4 JW |
648 | 0x01, 0x08, 0x00, 0x84, /* mov r14=r1;; */ |
649 | 0x11, 0x08, 0x00, 0x1e, 0x18, 0x10, /* [MIB] ld8 r1=[r15] */ | |
650 | 0x60, 0x80, 0x04, 0x80, 0x03, 0x00, /* mov b6=r16 */ | |
651 | 0x60, 0x00, 0x80, 0x00 /* br.few b6;; */ | |
652 | }; | |
653 | ||
654 | #define ELF_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1" | |
748abff6 | 655 | |
748abff6 RH |
656 | static const bfd_byte oor_brl[16] = |
657 | { | |
658 | 0x05, 0x00, 0x00, 0x00, 0x01, 0x00, /* [MLX] nop.m 0 */ | |
659 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* brl.sptk.few tgt;; */ | |
660 | 0x00, 0x00, 0x00, 0xc0 | |
661 | }; | |
3f7deb8a L |
662 | |
663 | static const bfd_byte oor_ip[48] = | |
664 | { | |
665 | 0x04, 0x00, 0x00, 0x00, 0x01, 0x00, /* [MLX] nop.m 0 */ | |
666 | 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, /* movl r15=0 */ | |
667 | 0x01, 0x00, 0x00, 0x60, | |
668 | 0x03, 0x00, 0x00, 0x00, 0x01, 0x00, /* [MII] nop.m 0 */ | |
669 | 0x00, 0x01, 0x00, 0x60, 0x00, 0x00, /* mov r16=ip;; */ | |
670 | 0xf2, 0x80, 0x00, 0x80, /* add r16=r15,r16;; */ | |
671 | 0x11, 0x00, 0x00, 0x00, 0x01, 0x00, /* [MIB] nop.m 0 */ | |
672 | 0x60, 0x80, 0x04, 0x80, 0x03, 0x00, /* mov b6=r16 */ | |
673 | 0x60, 0x00, 0x80, 0x00 /* br b6;; */ | |
674 | }; | |
675 | ||
676 | static size_t oor_branch_size = sizeof (oor_brl); | |
677 | ||
678 | void | |
679 | bfd_elfNN_ia64_after_parse (int itanium) | |
680 | { | |
681 | oor_branch_size = itanium ? sizeof (oor_ip) : sizeof (oor_brl); | |
682 | } | |
683 | ||
03609792 | 684 | static void |
bbb268c3 | 685 | elfNN_ia64_relax_brl (bfd_byte *contents, bfd_vma off) |
03609792 | 686 | { |
7e3102a7 | 687 | unsigned int template, t0, t1, t2, t3; |
03609792 | 688 | bfd_byte *hit_addr; |
03609792 L |
689 | |
690 | hit_addr = (bfd_byte *) (contents + off); | |
691 | hit_addr -= (long) hit_addr & 0x3; | |
7e3102a7 AM |
692 | t0 = bfd_getl32 (hit_addr + 0); |
693 | t1 = bfd_getl32 (hit_addr + 4); | |
694 | t2 = bfd_getl32 (hit_addr + 8); | |
695 | t3 = bfd_getl32 (hit_addr + 12); | |
03609792 L |
696 | |
697 | /* Turn a MLX bundle into a MBB bundle with the same stop-bit | |
698 | variety. */ | |
699 | template = 0x12; | |
7e3102a7 | 700 | if ((t0 & 0x1f) == 5) |
03609792 | 701 | template += 1; |
03609792 | 702 | |
7e3102a7 AM |
703 | /* Keep the instruction in slot 0. */ |
704 | t0 &= 0xffffffe0; | |
705 | t1 &= 0x3fff; | |
706 | ||
707 | t0 |= template; | |
708 | ||
709 | /* For slot 2, turn brl into br by masking out bit 40. */ | |
710 | t2 &= 0xff800000; | |
711 | t3 &= 0x7fffffff; | |
712 | ||
713 | /* Use nop.b for slot 1. */ | |
714 | t2 |= 0x100000; | |
715 | ||
716 | bfd_putl32 (t0, hit_addr); | |
717 | bfd_putl32 (t1, hit_addr + 4); | |
718 | bfd_putl32 (t2, hit_addr + 8); | |
719 | bfd_putl32 (t3, hit_addr + 12); | |
03609792 | 720 | } |
748abff6 | 721 | \f |
2c4c2bc0 | 722 | /* These functions do relaxation for IA-64 ELF. */ |
748abff6 | 723 | |
b34976b6 | 724 | static bfd_boolean |
bbe66d08 | 725 | elfNN_ia64_relax_section (abfd, sec, link_info, again) |
748abff6 RH |
726 | bfd *abfd; |
727 | asection *sec; | |
728 | struct bfd_link_info *link_info; | |
b34976b6 | 729 | bfd_boolean *again; |
748abff6 RH |
730 | { |
731 | struct one_fixup | |
732 | { | |
733 | struct one_fixup *next; | |
734 | asection *tsec; | |
735 | bfd_vma toff; | |
736 | bfd_vma trampoff; | |
737 | }; | |
738 | ||
739 | Elf_Internal_Shdr *symtab_hdr; | |
740 | Elf_Internal_Rela *internal_relocs; | |
748abff6 RH |
741 | Elf_Internal_Rela *irel, *irelend; |
742 | bfd_byte *contents; | |
6cdc0ccc | 743 | Elf_Internal_Sym *isymbuf = NULL; |
bbe66d08 | 744 | struct elfNN_ia64_link_hash_table *ia64_info; |
748abff6 | 745 | struct one_fixup *fixups = NULL; |
b34976b6 AM |
746 | bfd_boolean changed_contents = FALSE; |
747 | bfd_boolean changed_relocs = FALSE; | |
2c4c2bc0 RH |
748 | bfd_boolean changed_got = FALSE; |
749 | bfd_vma gp = 0; | |
748abff6 | 750 | |
46f5aac8 KH |
751 | /* Assume we're not going to change any sizes, and we'll only need |
752 | one pass. */ | |
b34976b6 | 753 | *again = FALSE; |
748abff6 | 754 | |
04b3329b | 755 | /* Don't even try to relax for non-ELF outputs. */ |
0eddce27 | 756 | if (!is_elf_hash_table (link_info->hash)) |
04b3329b L |
757 | return FALSE; |
758 | ||
c7996ad6 L |
759 | /* Nothing to do if there are no relocations or there is no need for |
760 | the relax finalize pass. */ | |
748abff6 | 761 | if ((sec->flags & SEC_RELOC) == 0 |
c7996ad6 | 762 | || sec->reloc_count == 0 |
d9c458fc | 763 | || (!link_info->need_relax_finalize |
c7996ad6 | 764 | && sec->need_finalize_relax == 0)) |
b34976b6 | 765 | return TRUE; |
748abff6 | 766 | |
748abff6 RH |
767 | symtab_hdr = &elf_tdata (abfd)->symtab_hdr; |
768 | ||
769 | /* Load the relocations for this section. */ | |
45d6a902 | 770 | internal_relocs = (_bfd_elf_link_read_relocs |
748abff6 RH |
771 | (abfd, sec, (PTR) NULL, (Elf_Internal_Rela *) NULL, |
772 | link_info->keep_memory)); | |
773 | if (internal_relocs == NULL) | |
b34976b6 | 774 | return FALSE; |
748abff6 | 775 | |
bbe66d08 | 776 | ia64_info = elfNN_ia64_hash_table (link_info); |
748abff6 RH |
777 | irelend = internal_relocs + sec->reloc_count; |
778 | ||
748abff6 | 779 | /* Get the section contents. */ |
748abff6 RH |
780 | if (elf_section_data (sec)->this_hdr.contents != NULL) |
781 | contents = elf_section_data (sec)->this_hdr.contents; | |
782 | else | |
783 | { | |
eea6121a | 784 | if (!bfd_malloc_and_get_section (abfd, sec, &contents)) |
748abff6 RH |
785 | goto error_return; |
786 | } | |
787 | ||
2c4c2bc0 | 788 | for (irel = internal_relocs; irel < irelend; irel++) |
748abff6 | 789 | { |
2f9bd3f6 | 790 | unsigned long r_type = ELFNN_R_TYPE (irel->r_info); |
748abff6 | 791 | bfd_vma symaddr, reladdr, trampoff, toff, roff; |
748abff6 RH |
792 | asection *tsec; |
793 | struct one_fixup *f; | |
dc810e39 | 794 | bfd_size_type amt; |
2c4c2bc0 RH |
795 | bfd_boolean is_branch; |
796 | struct elfNN_ia64_dyn_sym_info *dyn_i; | |
bf8b15af | 797 | char symtype; |
748abff6 | 798 | |
2c4c2bc0 RH |
799 | switch (r_type) |
800 | { | |
801 | case R_IA64_PCREL21B: | |
802 | case R_IA64_PCREL21BI: | |
803 | case R_IA64_PCREL21M: | |
804 | case R_IA64_PCREL21F: | |
03609792 L |
805 | /* In the finalize pass, all br relaxations are done. We can |
806 | skip it. */ | |
d9c458fc | 807 | if (!link_info->need_relax_finalize) |
c7996ad6 | 808 | continue; |
2c4c2bc0 RH |
809 | is_branch = TRUE; |
810 | break; | |
811 | ||
03609792 L |
812 | case R_IA64_PCREL60B: |
813 | /* We can't optimize brl to br before the finalize pass since | |
814 | br relaxations will increase the code size. Defer it to | |
815 | the finalize pass. */ | |
816 | if (link_info->need_relax_finalize) | |
817 | { | |
818 | sec->need_finalize_relax = 1; | |
819 | continue; | |
820 | } | |
821 | is_branch = TRUE; | |
822 | break; | |
823 | ||
2c4c2bc0 RH |
824 | case R_IA64_LTOFF22X: |
825 | case R_IA64_LDXMOV: | |
03609792 L |
826 | /* We can't relax ldx/mov before the finalize pass since |
827 | br relaxations will increase the code size. Defer it to | |
828 | the finalize pass. */ | |
d9c458fc | 829 | if (link_info->need_relax_finalize) |
c7996ad6 L |
830 | { |
831 | sec->need_finalize_relax = 1; | |
832 | continue; | |
833 | } | |
2c4c2bc0 RH |
834 | is_branch = FALSE; |
835 | break; | |
836 | ||
837 | default: | |
838 | continue; | |
839 | } | |
748abff6 RH |
840 | |
841 | /* Get the value of the symbol referred to by the reloc. */ | |
bbe66d08 | 842 | if (ELFNN_R_SYM (irel->r_info) < symtab_hdr->sh_info) |
748abff6 RH |
843 | { |
844 | /* A local symbol. */ | |
6cdc0ccc AM |
845 | Elf_Internal_Sym *isym; |
846 | ||
847 | /* Read this BFD's local symbols. */ | |
848 | if (isymbuf == NULL) | |
849 | { | |
850 | isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents; | |
851 | if (isymbuf == NULL) | |
852 | isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr, | |
853 | symtab_hdr->sh_info, 0, | |
854 | NULL, NULL, NULL); | |
855 | if (isymbuf == 0) | |
856 | goto error_return; | |
857 | } | |
858 | ||
60d8b524 | 859 | isym = isymbuf + ELFNN_R_SYM (irel->r_info); |
6cdc0ccc | 860 | if (isym->st_shndx == SHN_UNDEF) |
4cc11e76 | 861 | continue; /* We can't do anything with undefined symbols. */ |
6cdc0ccc | 862 | else if (isym->st_shndx == SHN_ABS) |
748abff6 | 863 | tsec = bfd_abs_section_ptr; |
6cdc0ccc | 864 | else if (isym->st_shndx == SHN_COMMON) |
748abff6 | 865 | tsec = bfd_com_section_ptr; |
6cdc0ccc | 866 | else if (isym->st_shndx == SHN_IA_64_ANSI_COMMON) |
d9cf1b54 | 867 | tsec = bfd_com_section_ptr; |
3e932841 | 868 | else |
6cdc0ccc | 869 | tsec = bfd_section_from_elf_index (abfd, isym->st_shndx); |
748abff6 | 870 | |
6cdc0ccc | 871 | toff = isym->st_value; |
2c4c2bc0 | 872 | dyn_i = get_dyn_sym_info (ia64_info, NULL, abfd, irel, FALSE); |
bf8b15af | 873 | symtype = ELF_ST_TYPE (isym->st_info); |
748abff6 RH |
874 | } |
875 | else | |
876 | { | |
877 | unsigned long indx; | |
878 | struct elf_link_hash_entry *h; | |
748abff6 | 879 | |
bbe66d08 | 880 | indx = ELFNN_R_SYM (irel->r_info) - symtab_hdr->sh_info; |
748abff6 RH |
881 | h = elf_sym_hashes (abfd)[indx]; |
882 | BFD_ASSERT (h != NULL); | |
883 | ||
884 | while (h->root.type == bfd_link_hash_indirect | |
885 | || h->root.type == bfd_link_hash_warning) | |
886 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
887 | ||
b34976b6 | 888 | dyn_i = get_dyn_sym_info (ia64_info, h, abfd, irel, FALSE); |
748abff6 RH |
889 | |
890 | /* For branches to dynamic symbols, we're interested instead | |
891 | in a branch to the PLT entry. */ | |
2c4c2bc0 | 892 | if (is_branch && dyn_i && dyn_i->want_plt2) |
748abff6 | 893 | { |
2f9bd3f6 RH |
894 | /* Internal branches shouldn't be sent to the PLT. |
895 | Leave this for now and we'll give an error later. */ | |
896 | if (r_type != R_IA64_PCREL21B) | |
897 | continue; | |
898 | ||
748abff6 RH |
899 | tsec = ia64_info->plt_sec; |
900 | toff = dyn_i->plt2_offset; | |
3fa1d917 | 901 | BFD_ASSERT (irel->r_addend == 0); |
748abff6 | 902 | } |
2c4c2bc0 RH |
903 | |
904 | /* Can't do anything else with dynamic symbols. */ | |
986a241f | 905 | else if (elfNN_ia64_dynamic_symbol_p (h, link_info, r_type)) |
2c4c2bc0 RH |
906 | continue; |
907 | ||
748abff6 RH |
908 | else |
909 | { | |
4cc11e76 | 910 | /* We can't do anything with undefined symbols. */ |
748abff6 RH |
911 | if (h->root.type == bfd_link_hash_undefined |
912 | || h->root.type == bfd_link_hash_undefweak) | |
913 | continue; | |
914 | ||
915 | tsec = h->root.u.def.section; | |
916 | toff = h->root.u.def.value; | |
917 | } | |
bf8b15af L |
918 | |
919 | symtype = h->type; | |
5dd23ec1 | 920 | } |
3fa1d917 | 921 | |
9f2e92c5 | 922 | if (tsec->sec_info_type == ELF_INFO_TYPE_MERGE) |
bf8b15af L |
923 | { |
924 | /* At this stage in linking, no SEC_MERGE symbol has been | |
925 | adjusted, so all references to such symbols need to be | |
926 | passed through _bfd_merged_section_offset. (Later, in | |
927 | relocate_section, all SEC_MERGE symbols *except* for | |
928 | section symbols have been adjusted.) | |
929 | ||
930 | gas may reduce relocations against symbols in SEC_MERGE | |
931 | sections to a relocation against the section symbol when | |
932 | the original addend was zero. When the reloc is against | |
933 | a section symbol we should include the addend in the | |
934 | offset passed to _bfd_merged_section_offset, since the | |
935 | location of interest is the original symbol. On the | |
936 | other hand, an access to "sym+addend" where "sym" is not | |
937 | a section symbol should not include the addend; Such an | |
938 | access is presumed to be an offset from "sym"; The | |
939 | location of interest is just "sym". */ | |
940 | if (symtype == STT_SECTION) | |
941 | toff += irel->r_addend; | |
f12123c0 | 942 | |
bf8b15af L |
943 | toff = _bfd_merged_section_offset (abfd, &tsec, |
944 | elf_section_data (tsec)->sec_info, | |
945 | toff); | |
946 | ||
947 | if (symtype != STT_SECTION) | |
948 | toff += irel->r_addend; | |
949 | } | |
9f2e92c5 L |
950 | else |
951 | toff += irel->r_addend; | |
952 | ||
3fa1d917 | 953 | symaddr = tsec->output_section->vma + tsec->output_offset + toff; |
748abff6 RH |
954 | |
955 | roff = irel->r_offset; | |
748abff6 | 956 | |
2c4c2bc0 RH |
957 | if (is_branch) |
958 | { | |
de0d9f33 L |
959 | bfd_signed_vma offset; |
960 | ||
2c4c2bc0 RH |
961 | reladdr = (sec->output_section->vma |
962 | + sec->output_offset | |
963 | + roff) & (bfd_vma) -4; | |
748abff6 | 964 | |
2c4c2bc0 RH |
965 | /* If the branch is in range, no need to do anything. */ |
966 | if ((bfd_signed_vma) (symaddr - reladdr) >= -0x1000000 | |
967 | && (bfd_signed_vma) (symaddr - reladdr) <= 0x0FFFFF0) | |
03609792 L |
968 | { |
969 | /* If the 60-bit branch is in 21-bit range, optimize it. */ | |
970 | if (r_type == R_IA64_PCREL60B) | |
971 | { | |
bbb268c3 | 972 | elfNN_ia64_relax_brl (contents, roff); |
03609792 L |
973 | |
974 | irel->r_info | |
7e3102a7 | 975 | = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info), |
03609792 L |
976 | R_IA64_PCREL21B); |
977 | ||
978 | /* If the original relocation offset points to slot | |
979 | 1, change it to slot 2. */ | |
980 | if ((irel->r_offset & 3) == 1) | |
981 | irel->r_offset += 1; | |
982 | } | |
983 | ||
984 | continue; | |
985 | } | |
986 | else if (r_type == R_IA64_PCREL60B) | |
2c4c2bc0 | 987 | continue; |
748abff6 | 988 | |
e525914f L |
989 | /* We can't put a trampoline in a .init/.fini section. Issue |
990 | an error. */ | |
991 | if (strcmp (sec->output_section->name, ".init") == 0 | |
992 | || strcmp (sec->output_section->name, ".fini") == 0) | |
993 | { | |
994 | (*_bfd_error_handler) | |
d003868e AM |
995 | (_("%B: Can't relax br at 0x%lx in section `%A'. Please use brl or indirect branch."), |
996 | sec->owner, sec, (unsigned long) roff); | |
e525914f L |
997 | bfd_set_error (bfd_error_bad_value); |
998 | goto error_return; | |
999 | } | |
1000 | ||
2c4c2bc0 | 1001 | /* If the branch and target are in the same section, you've |
c5509b92 L |
1002 | got one honking big section and we can't help you unless |
1003 | you are branching backwards. You'll get an error message | |
1004 | later. */ | |
1005 | if (tsec == sec && toff > roff) | |
2c4c2bc0 | 1006 | continue; |
748abff6 | 1007 | |
2c4c2bc0 RH |
1008 | /* Look for an existing fixup to this address. */ |
1009 | for (f = fixups; f ; f = f->next) | |
1010 | if (f->tsec == tsec && f->toff == toff) | |
1011 | break; | |
748abff6 | 1012 | |
2c4c2bc0 | 1013 | if (f == NULL) |
748abff6 | 1014 | { |
2c4c2bc0 RH |
1015 | /* Two alternatives: If it's a branch to a PLT entry, we can |
1016 | make a copy of the FULL_PLT entry. Otherwise, we'll have | |
1017 | to use a `brl' insn to get where we're going. */ | |
1018 | ||
1019 | size_t size; | |
1020 | ||
1021 | if (tsec == ia64_info->plt_sec) | |
1022 | size = sizeof (plt_full_entry); | |
1023 | else | |
3f7deb8a | 1024 | size = oor_branch_size; |
748abff6 | 1025 | |
2c4c2bc0 | 1026 | /* Resize the current section to make room for the new branch. */ |
eea6121a | 1027 | trampoff = (sec->size + 15) & (bfd_vma) -16; |
de0d9f33 L |
1028 | |
1029 | /* If trampoline is out of range, there is nothing we | |
1030 | can do. */ | |
1031 | offset = trampoff - (roff & (bfd_vma) -4); | |
1032 | if (offset < -0x1000000 || offset > 0x0FFFFF0) | |
1033 | continue; | |
1034 | ||
2c4c2bc0 RH |
1035 | amt = trampoff + size; |
1036 | contents = (bfd_byte *) bfd_realloc (contents, amt); | |
1037 | if (contents == NULL) | |
1038 | goto error_return; | |
eea6121a | 1039 | sec->size = amt; |
748abff6 | 1040 | |
2c4c2bc0 RH |
1041 | if (tsec == ia64_info->plt_sec) |
1042 | { | |
1043 | memcpy (contents + trampoff, plt_full_entry, size); | |
748abff6 | 1044 | |
2c4c2bc0 RH |
1045 | /* Hijack the old relocation for use as the PLTOFF reloc. */ |
1046 | irel->r_info = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info), | |
1047 | R_IA64_PLTOFF22); | |
1048 | irel->r_offset = trampoff; | |
1049 | } | |
1050 | else | |
1051 | { | |
3f7deb8a L |
1052 | if (size == sizeof (oor_ip)) |
1053 | { | |
1054 | memcpy (contents + trampoff, oor_ip, size); | |
1055 | irel->r_info = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info), | |
1056 | R_IA64_PCREL64I); | |
1057 | irel->r_addend -= 16; | |
1058 | irel->r_offset = trampoff + 2; | |
1059 | } | |
1060 | else | |
1061 | { | |
1062 | memcpy (contents + trampoff, oor_brl, size); | |
1063 | irel->r_info = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info), | |
1064 | R_IA64_PCREL60B); | |
1065 | irel->r_offset = trampoff + 2; | |
1066 | } | |
1067 | ||
2c4c2bc0 RH |
1068 | } |
1069 | ||
1070 | /* Record the fixup so we don't do it again this section. */ | |
1071 | f = (struct one_fixup *) | |
1072 | bfd_malloc ((bfd_size_type) sizeof (*f)); | |
1073 | f->next = fixups; | |
1074 | f->tsec = tsec; | |
1075 | f->toff = toff; | |
1076 | f->trampoff = trampoff; | |
1077 | fixups = f; | |
748abff6 | 1078 | } |
2c4c2bc0 RH |
1079 | else |
1080 | { | |
de0d9f33 L |
1081 | /* If trampoline is out of range, there is nothing we |
1082 | can do. */ | |
1083 | offset = f->trampoff - (roff & (bfd_vma) -4); | |
1084 | if (offset < -0x1000000 || offset > 0x0FFFFF0) | |
1085 | continue; | |
1086 | ||
2c4c2bc0 RH |
1087 | /* Nop out the reloc, since we're finalizing things here. */ |
1088 | irel->r_info = ELFNN_R_INFO (0, R_IA64_NONE); | |
1089 | } | |
1090 | ||
de0d9f33 | 1091 | /* Fix up the existing branch to hit the trampoline. */ |
bbb268c3 JW |
1092 | if (elfNN_ia64_install_value (contents + roff, offset, r_type) |
1093 | != bfd_reloc_ok) | |
2c4c2bc0 | 1094 | goto error_return; |
748abff6 | 1095 | |
2c4c2bc0 RH |
1096 | changed_contents = TRUE; |
1097 | changed_relocs = TRUE; | |
748abff6 RH |
1098 | } |
1099 | else | |
1100 | { | |
2c4c2bc0 RH |
1101 | /* Fetch the gp. */ |
1102 | if (gp == 0) | |
1103 | { | |
1104 | bfd *obfd = sec->output_section->owner; | |
1105 | gp = _bfd_get_gp_value (obfd); | |
1106 | if (gp == 0) | |
1107 | { | |
1108 | if (!elfNN_ia64_choose_gp (obfd, link_info)) | |
1109 | goto error_return; | |
1110 | gp = _bfd_get_gp_value (obfd); | |
1111 | } | |
1112 | } | |
748abff6 | 1113 | |
2c4c2bc0 | 1114 | /* If the data is out of range, do nothing. */ |
484a4f9c RH |
1115 | if ((bfd_signed_vma) (symaddr - gp) >= 0x200000 |
1116 | ||(bfd_signed_vma) (symaddr - gp) < -0x200000) | |
2c4c2bc0 | 1117 | continue; |
748abff6 | 1118 | |
2c4c2bc0 RH |
1119 | if (r_type == R_IA64_LTOFF22X) |
1120 | { | |
1121 | irel->r_info = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info), | |
1122 | R_IA64_GPREL22); | |
1123 | changed_relocs = TRUE; | |
1124 | if (dyn_i->want_gotx) | |
1125 | { | |
1126 | dyn_i->want_gotx = 0; | |
1127 | changed_got |= !dyn_i->want_got; | |
1128 | } | |
1129 | } | |
1130 | else | |
1131 | { | |
bbb268c3 | 1132 | elfNN_ia64_relax_ldxmov (contents, roff); |
2c4c2bc0 RH |
1133 | irel->r_info = ELFNN_R_INFO (0, R_IA64_NONE); |
1134 | changed_contents = TRUE; | |
1135 | changed_relocs = TRUE; | |
1136 | } | |
1137 | } | |
748abff6 RH |
1138 | } |
1139 | ||
2c4c2bc0 RH |
1140 | /* ??? If we created fixups, this may push the code segment large |
1141 | enough that the data segment moves, which will change the GP. | |
1142 | Reset the GP so that we re-calculate next round. We need to | |
1143 | do this at the _beginning_ of the next round; now will not do. */ | |
f12123c0 | 1144 | |
748abff6 RH |
1145 | /* Clean up and go home. */ |
1146 | while (fixups) | |
1147 | { | |
1148 | struct one_fixup *f = fixups; | |
1149 | fixups = fixups->next; | |
1150 | free (f); | |
1151 | } | |
1152 | ||
6cdc0ccc AM |
1153 | if (isymbuf != NULL |
1154 | && symtab_hdr->contents != (unsigned char *) isymbuf) | |
748abff6 RH |
1155 | { |
1156 | if (! link_info->keep_memory) | |
6cdc0ccc | 1157 | free (isymbuf); |
748abff6 RH |
1158 | else |
1159 | { | |
6cdc0ccc AM |
1160 | /* Cache the symbols for elf_link_input_bfd. */ |
1161 | symtab_hdr->contents = (unsigned char *) isymbuf; | |
748abff6 RH |
1162 | } |
1163 | } | |
1164 | ||
6cdc0ccc AM |
1165 | if (contents != NULL |
1166 | && elf_section_data (sec)->this_hdr.contents != contents) | |
748abff6 | 1167 | { |
6cdc0ccc AM |
1168 | if (!changed_contents && !link_info->keep_memory) |
1169 | free (contents); | |
748abff6 RH |
1170 | else |
1171 | { | |
6cdc0ccc AM |
1172 | /* Cache the section contents for elf_link_input_bfd. */ |
1173 | elf_section_data (sec)->this_hdr.contents = contents; | |
748abff6 RH |
1174 | } |
1175 | } | |
1176 | ||
6cdc0ccc AM |
1177 | if (elf_section_data (sec)->relocs != internal_relocs) |
1178 | { | |
1179 | if (!changed_relocs) | |
1180 | free (internal_relocs); | |
1181 | else | |
1182 | elf_section_data (sec)->relocs = internal_relocs; | |
1183 | } | |
1184 | ||
2c4c2bc0 RH |
1185 | if (changed_got) |
1186 | { | |
1187 | struct elfNN_ia64_allocate_data data; | |
1188 | data.info = link_info; | |
1189 | data.ofs = 0; | |
9d73f260 | 1190 | ia64_info->self_dtpmod_offset = (bfd_vma) -1; |
2c4c2bc0 RH |
1191 | |
1192 | elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_global_data_got, &data); | |
1193 | elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_global_fptr_got, &data); | |
1194 | elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_local_got, &data); | |
eea6121a | 1195 | ia64_info->got_sec->size = data.ofs; |
2c4c2bc0 RH |
1196 | |
1197 | /* ??? Resize .rela.got too. */ | |
1198 | } | |
1199 | ||
d9c458fc | 1200 | if (!link_info->need_relax_finalize) |
c7996ad6 L |
1201 | sec->need_finalize_relax = 0; |
1202 | ||
748abff6 | 1203 | *again = changed_contents || changed_relocs; |
b34976b6 | 1204 | return TRUE; |
748abff6 RH |
1205 | |
1206 | error_return: | |
6cdc0ccc AM |
1207 | if (isymbuf != NULL && (unsigned char *) isymbuf != symtab_hdr->contents) |
1208 | free (isymbuf); | |
1209 | if (contents != NULL | |
1210 | && elf_section_data (sec)->this_hdr.contents != contents) | |
1211 | free (contents); | |
1212 | if (internal_relocs != NULL | |
1213 | && elf_section_data (sec)->relocs != internal_relocs) | |
1214 | free (internal_relocs); | |
b34976b6 | 1215 | return FALSE; |
748abff6 | 1216 | } |
2c4c2bc0 RH |
1217 | |
1218 | static void | |
bbb268c3 | 1219 | elfNN_ia64_relax_ldxmov (contents, off) |
2c4c2bc0 RH |
1220 | bfd_byte *contents; |
1221 | bfd_vma off; | |
1222 | { | |
1223 | int shift, r1, r3; | |
1224 | bfd_vma dword, insn; | |
1225 | ||
1226 | switch ((int)off & 0x3) | |
1227 | { | |
1228 | case 0: shift = 5; break; | |
1229 | case 1: shift = 14; off += 3; break; | |
1230 | case 2: shift = 23; off += 6; break; | |
60d8b524 | 1231 | default: |
2c4c2bc0 RH |
1232 | abort (); |
1233 | } | |
1234 | ||
bbb268c3 | 1235 | dword = bfd_getl64 (contents + off); |
2c4c2bc0 RH |
1236 | insn = (dword >> shift) & 0x1ffffffffffLL; |
1237 | ||
1238 | r1 = (insn >> 6) & 127; | |
1239 | r3 = (insn >> 20) & 127; | |
1240 | if (r1 == r3) | |
1241 | insn = 0x8000000; /* nop */ | |
1242 | else | |
1243 | insn = (insn & 0x7f01fff) | 0x10800000000LL; /* (qp) mov r1 = r3 */ | |
1244 | ||
1245 | dword &= ~(0x1ffffffffffLL << shift); | |
1246 | dword |= (insn << shift); | |
bbb268c3 | 1247 | bfd_putl64 (dword, contents + off); |
2c4c2bc0 | 1248 | } |
800eeca4 | 1249 | \f |
b34976b6 | 1250 | /* Return TRUE if NAME is an unwind table section name. */ |
81545d45 | 1251 | |
b34976b6 | 1252 | static inline bfd_boolean |
d9cf1b54 AM |
1253 | is_unwind_section_name (abfd, name) |
1254 | bfd *abfd; | |
81545d45 RH |
1255 | const char *name; |
1256 | { | |
579f31ac | 1257 | size_t len1, len2, len3; |
81545d45 | 1258 | |
d9cf1b54 AM |
1259 | if (elfNN_ia64_hpux_vec (abfd->xvec) |
1260 | && !strcmp (name, ELF_STRING_ia64_unwind_hdr)) | |
b34976b6 | 1261 | return FALSE; |
d9cf1b54 | 1262 | |
81545d45 RH |
1263 | len1 = sizeof (ELF_STRING_ia64_unwind) - 1; |
1264 | len2 = sizeof (ELF_STRING_ia64_unwind_info) - 1; | |
579f31ac JJ |
1265 | len3 = sizeof (ELF_STRING_ia64_unwind_once) - 1; |
1266 | return ((strncmp (name, ELF_STRING_ia64_unwind, len1) == 0 | |
1267 | && strncmp (name, ELF_STRING_ia64_unwind_info, len2) != 0) | |
1268 | || strncmp (name, ELF_STRING_ia64_unwind_once, len3) == 0); | |
81545d45 RH |
1269 | } |
1270 | ||
800eeca4 | 1271 | /* Handle an IA-64 specific section when reading an object file. This |
6dc132d9 L |
1272 | is called when bfd_section_from_shdr finds a section with an unknown |
1273 | type. */ | |
800eeca4 | 1274 | |
b34976b6 | 1275 | static bfd_boolean |
6dc132d9 L |
1276 | elfNN_ia64_section_from_shdr (bfd *abfd, |
1277 | Elf_Internal_Shdr *hdr, | |
1278 | const char *name, | |
1279 | int shindex) | |
800eeca4 JW |
1280 | { |
1281 | asection *newsect; | |
1282 | ||
1283 | /* There ought to be a place to keep ELF backend specific flags, but | |
1284 | at the moment there isn't one. We just keep track of the | |
1285 | sections by their name, instead. Fortunately, the ABI gives | |
1286 | suggested names for all the MIPS specific sections, so we will | |
1287 | probably get away with this. */ | |
1288 | switch (hdr->sh_type) | |
1289 | { | |
1290 | case SHT_IA_64_UNWIND: | |
d9cf1b54 | 1291 | case SHT_IA_64_HP_OPT_ANOT: |
800eeca4 JW |
1292 | break; |
1293 | ||
1294 | case SHT_IA_64_EXT: | |
1295 | if (strcmp (name, ELF_STRING_ia64_archext) != 0) | |
b34976b6 | 1296 | return FALSE; |
800eeca4 JW |
1297 | break; |
1298 | ||
1299 | default: | |
b34976b6 | 1300 | return FALSE; |
800eeca4 JW |
1301 | } |
1302 | ||
6dc132d9 | 1303 | if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex)) |
b34976b6 | 1304 | return FALSE; |
800eeca4 JW |
1305 | newsect = hdr->bfd_section; |
1306 | ||
b34976b6 | 1307 | return TRUE; |
fa152c49 JW |
1308 | } |
1309 | ||
1310 | /* Convert IA-64 specific section flags to bfd internal section flags. */ | |
1311 | ||
1312 | /* ??? There is no bfd internal flag equivalent to the SHF_IA_64_NORECOV | |
1313 | flag. */ | |
1314 | ||
b34976b6 | 1315 | static bfd_boolean |
bbe66d08 | 1316 | elfNN_ia64_section_flags (flags, hdr) |
fa152c49 | 1317 | flagword *flags; |
1829f4b2 | 1318 | const Elf_Internal_Shdr *hdr; |
fa152c49 | 1319 | { |
800eeca4 | 1320 | if (hdr->sh_flags & SHF_IA_64_SHORT) |
fa152c49 | 1321 | *flags |= SEC_SMALL_DATA; |
800eeca4 | 1322 | |
b34976b6 | 1323 | return TRUE; |
800eeca4 JW |
1324 | } |
1325 | ||
1326 | /* Set the correct type for an IA-64 ELF section. We do this by the | |
1327 | section name, which is a hack, but ought to work. */ | |
1328 | ||
b34976b6 | 1329 | static bfd_boolean |
bbe66d08 | 1330 | elfNN_ia64_fake_sections (abfd, hdr, sec) |
64bf6ae6 | 1331 | bfd *abfd ATTRIBUTE_UNUSED; |
947216bf | 1332 | Elf_Internal_Shdr *hdr; |
800eeca4 JW |
1333 | asection *sec; |
1334 | { | |
1335 | register const char *name; | |
1336 | ||
1337 | name = bfd_get_section_name (abfd, sec); | |
1338 | ||
d9cf1b54 | 1339 | if (is_unwind_section_name (abfd, name)) |
81545d45 RH |
1340 | { |
1341 | /* We don't have the sections numbered at this point, so sh_info | |
1342 | is set later, in elfNN_ia64_final_write_processing. */ | |
1343 | hdr->sh_type = SHT_IA_64_UNWIND; | |
1344 | hdr->sh_flags |= SHF_LINK_ORDER; | |
1345 | } | |
800eeca4 JW |
1346 | else if (strcmp (name, ELF_STRING_ia64_archext) == 0) |
1347 | hdr->sh_type = SHT_IA_64_EXT; | |
d9cf1b54 AM |
1348 | else if (strcmp (name, ".HP.opt_annot") == 0) |
1349 | hdr->sh_type = SHT_IA_64_HP_OPT_ANOT; | |
800eeca4 | 1350 | else if (strcmp (name, ".reloc") == 0) |
5e8d7549 NC |
1351 | /* This is an ugly, but unfortunately necessary hack that is |
1352 | needed when producing EFI binaries on IA-64. It tells | |
1353 | elf.c:elf_fake_sections() not to consider ".reloc" as a section | |
1354 | containing ELF relocation info. We need this hack in order to | |
1355 | be able to generate ELF binaries that can be translated into | |
1356 | EFI applications (which are essentially COFF objects). Those | |
1357 | files contain a COFF ".reloc" section inside an ELFNN object, | |
1358 | which would normally cause BFD to segfault because it would | |
1359 | attempt to interpret this section as containing relocation | |
1360 | entries for section "oc". With this hack enabled, ".reloc" | |
1361 | will be treated as a normal data section, which will avoid the | |
1362 | segfault. However, you won't be able to create an ELFNN binary | |
1363 | with a section named "oc" that needs relocations, but that's | |
1364 | the kind of ugly side-effects you get when detecting section | |
1365 | types based on their names... In practice, this limitation is | |
1366 | unlikely to bite. */ | |
800eeca4 JW |
1367 | hdr->sh_type = SHT_PROGBITS; |
1368 | ||
1369 | if (sec->flags & SEC_SMALL_DATA) | |
1370 | hdr->sh_flags |= SHF_IA_64_SHORT; | |
1371 | ||
b34976b6 | 1372 | return TRUE; |
800eeca4 JW |
1373 | } |
1374 | ||
81545d45 RH |
1375 | /* The final processing done just before writing out an IA-64 ELF |
1376 | object file. */ | |
1377 | ||
1378 | static void | |
1379 | elfNN_ia64_final_write_processing (abfd, linker) | |
1380 | bfd *abfd; | |
b34976b6 | 1381 | bfd_boolean linker ATTRIBUTE_UNUSED; |
81545d45 RH |
1382 | { |
1383 | Elf_Internal_Shdr *hdr; | |
38ce5b11 | 1384 | asection *s; |
81545d45 RH |
1385 | |
1386 | for (s = abfd->sections; s; s = s->next) | |
1387 | { | |
1388 | hdr = &elf_section_data (s)->this_hdr; | |
1389 | switch (hdr->sh_type) | |
1390 | { | |
1391 | case SHT_IA_64_UNWIND: | |
38ce5b11 L |
1392 | /* The IA-64 processor-specific ABI requires setting sh_link |
1393 | to the unwind section, whereas HP-UX requires sh_info to | |
1394 | do so. For maximum compatibility, we'll set both for | |
1395 | now... */ | |
1396 | hdr->sh_info = hdr->sh_link; | |
81545d45 RH |
1397 | break; |
1398 | } | |
1399 | } | |
9d46020e AM |
1400 | |
1401 | if (! elf_flags_init (abfd)) | |
1402 | { | |
1403 | unsigned long flags = 0; | |
1404 | ||
1405 | if (abfd->xvec->byteorder == BFD_ENDIAN_BIG) | |
1406 | flags |= EF_IA_64_BE; | |
1407 | if (bfd_get_mach (abfd) == bfd_mach_ia64_elf64) | |
1408 | flags |= EF_IA_64_ABI64; | |
1409 | ||
1410 | elf_elfheader(abfd)->e_flags = flags; | |
b34976b6 | 1411 | elf_flags_init (abfd) = TRUE; |
9d46020e | 1412 | } |
81545d45 RH |
1413 | } |
1414 | ||
800eeca4 JW |
1415 | /* Hook called by the linker routine which adds symbols from an object |
1416 | file. We use it to put .comm items in .sbss, and not .bss. */ | |
1417 | ||
b34976b6 | 1418 | static bfd_boolean |
bbe66d08 | 1419 | elfNN_ia64_add_symbol_hook (abfd, info, sym, namep, flagsp, secp, valp) |
800eeca4 JW |
1420 | bfd *abfd; |
1421 | struct bfd_link_info *info; | |
555cd476 | 1422 | Elf_Internal_Sym *sym; |
64bf6ae6 JW |
1423 | const char **namep ATTRIBUTE_UNUSED; |
1424 | flagword *flagsp ATTRIBUTE_UNUSED; | |
800eeca4 JW |
1425 | asection **secp; |
1426 | bfd_vma *valp; | |
1427 | { | |
1428 | if (sym->st_shndx == SHN_COMMON | |
1049f94e | 1429 | && !info->relocatable |
c0846b23 | 1430 | && sym->st_size <= elf_gp_size (abfd)) |
800eeca4 JW |
1431 | { |
1432 | /* Common symbols less than or equal to -G nn bytes are | |
1433 | automatically put into .sbss. */ | |
1434 | ||
1435 | asection *scomm = bfd_get_section_by_name (abfd, ".scommon"); | |
1436 | ||
1437 | if (scomm == NULL) | |
1438 | { | |
3496cb2a L |
1439 | scomm = bfd_make_section_with_flags (abfd, ".scommon", |
1440 | (SEC_ALLOC | |
1441 | | SEC_IS_COMMON | |
1442 | | SEC_LINKER_CREATED)); | |
1443 | if (scomm == NULL) | |
b34976b6 | 1444 | return FALSE; |
800eeca4 JW |
1445 | } |
1446 | ||
1447 | *secp = scomm; | |
1448 | *valp = sym->st_size; | |
1449 | } | |
1450 | ||
b34976b6 | 1451 | return TRUE; |
800eeca4 JW |
1452 | } |
1453 | ||
1454 | /* Return the number of additional phdrs we will need. */ | |
1455 | ||
1456 | static int | |
bbe66d08 | 1457 | elfNN_ia64_additional_program_headers (abfd) |
800eeca4 JW |
1458 | bfd *abfd; |
1459 | { | |
1460 | asection *s; | |
1461 | int ret = 0; | |
1462 | ||
1463 | /* See if we need a PT_IA_64_ARCHEXT segment. */ | |
1464 | s = bfd_get_section_by_name (abfd, ELF_STRING_ia64_archext); | |
1465 | if (s && (s->flags & SEC_LOAD)) | |
1466 | ++ret; | |
1467 | ||
81545d45 RH |
1468 | /* Count how many PT_IA_64_UNWIND segments we need. */ |
1469 | for (s = abfd->sections; s; s = s->next) | |
d9cf1b54 | 1470 | if (is_unwind_section_name (abfd, s->name) && (s->flags & SEC_LOAD)) |
81545d45 | 1471 | ++ret; |
800eeca4 JW |
1472 | |
1473 | return ret; | |
1474 | } | |
1475 | ||
b34976b6 | 1476 | static bfd_boolean |
c84fca4d | 1477 | elfNN_ia64_modify_segment_map (abfd, info) |
800eeca4 | 1478 | bfd *abfd; |
c84fca4d | 1479 | struct bfd_link_info *info ATTRIBUTE_UNUSED; |
800eeca4 JW |
1480 | { |
1481 | struct elf_segment_map *m, **pm; | |
81545d45 | 1482 | Elf_Internal_Shdr *hdr; |
800eeca4 JW |
1483 | asection *s; |
1484 | ||
1485 | /* If we need a PT_IA_64_ARCHEXT segment, it must come before | |
1486 | all PT_LOAD segments. */ | |
1487 | s = bfd_get_section_by_name (abfd, ELF_STRING_ia64_archext); | |
1488 | if (s && (s->flags & SEC_LOAD)) | |
1489 | { | |
1490 | for (m = elf_tdata (abfd)->segment_map; m != NULL; m = m->next) | |
1491 | if (m->p_type == PT_IA_64_ARCHEXT) | |
1492 | break; | |
1493 | if (m == NULL) | |
1494 | { | |
dc810e39 AM |
1495 | m = ((struct elf_segment_map *) |
1496 | bfd_zalloc (abfd, (bfd_size_type) sizeof *m)); | |
800eeca4 | 1497 | if (m == NULL) |
b34976b6 | 1498 | return FALSE; |
800eeca4 JW |
1499 | |
1500 | m->p_type = PT_IA_64_ARCHEXT; | |
1501 | m->count = 1; | |
1502 | m->sections[0] = s; | |
1503 | ||
1504 | /* We want to put it after the PHDR and INTERP segments. */ | |
1505 | pm = &elf_tdata (abfd)->segment_map; | |
1506 | while (*pm != NULL | |
1507 | && ((*pm)->p_type == PT_PHDR | |
1508 | || (*pm)->p_type == PT_INTERP)) | |
1509 | pm = &(*pm)->next; | |
1510 | ||
1511 | m->next = *pm; | |
1512 | *pm = m; | |
1513 | } | |
1514 | } | |
1515 | ||
81545d45 RH |
1516 | /* Install PT_IA_64_UNWIND segments, if needed. */ |
1517 | for (s = abfd->sections; s; s = s->next) | |
800eeca4 | 1518 | { |
81545d45 RH |
1519 | hdr = &elf_section_data (s)->this_hdr; |
1520 | if (hdr->sh_type != SHT_IA_64_UNWIND) | |
1521 | continue; | |
1522 | ||
1523 | if (s && (s->flags & SEC_LOAD)) | |
800eeca4 | 1524 | { |
81545d45 | 1525 | for (m = elf_tdata (abfd)->segment_map; m != NULL; m = m->next) |
d9cf1b54 AM |
1526 | if (m->p_type == PT_IA_64_UNWIND) |
1527 | { | |
40c97fc6 AM |
1528 | int i; |
1529 | ||
d9cf1b54 AM |
1530 | /* Look through all sections in the unwind segment |
1531 | for a match since there may be multiple sections | |
1532 | to a segment. */ | |
40c97fc6 AM |
1533 | for (i = m->count - 1; i >= 0; --i) |
1534 | if (m->sections[i] == s) | |
1535 | break; | |
d9cf1b54 | 1536 | |
40c97fc6 | 1537 | if (i >= 0) |
d9cf1b54 AM |
1538 | break; |
1539 | } | |
81545d45 | 1540 | |
800eeca4 | 1541 | if (m == NULL) |
81545d45 | 1542 | { |
dc810e39 AM |
1543 | m = ((struct elf_segment_map *) |
1544 | bfd_zalloc (abfd, (bfd_size_type) sizeof *m)); | |
81545d45 | 1545 | if (m == NULL) |
b34976b6 | 1546 | return FALSE; |
800eeca4 | 1547 | |
81545d45 RH |
1548 | m->p_type = PT_IA_64_UNWIND; |
1549 | m->count = 1; | |
1550 | m->sections[0] = s; | |
1551 | m->next = NULL; | |
800eeca4 | 1552 | |
81545d45 RH |
1553 | /* We want to put it last. */ |
1554 | pm = &elf_tdata (abfd)->segment_map; | |
1555 | while (*pm != NULL) | |
1556 | pm = &(*pm)->next; | |
1557 | *pm = m; | |
1558 | } | |
800eeca4 JW |
1559 | } |
1560 | } | |
1561 | ||
1562 | /* Turn on PF_IA_64_NORECOV if needed. This involves traversing all of | |
1563 | the input sections for each output section in the segment and testing | |
1564 | for SHF_IA_64_NORECOV on each. */ | |
1565 | for (m = elf_tdata (abfd)->segment_map; m != NULL; m = m->next) | |
1566 | if (m->p_type == PT_LOAD) | |
1567 | { | |
1568 | int i; | |
1569 | for (i = m->count - 1; i >= 0; --i) | |
1570 | { | |
8423293d | 1571 | struct bfd_link_order *order = m->sections[i]->map_head.link_order; |
800eeca4 JW |
1572 | while (order) |
1573 | { | |
1574 | if (order->type == bfd_indirect_link_order) | |
1575 | { | |
1576 | asection *is = order->u.indirect.section; | |
1577 | bfd_vma flags = elf_section_data(is)->this_hdr.sh_flags; | |
1578 | if (flags & SHF_IA_64_NORECOV) | |
1579 | { | |
1580 | m->p_flags |= PF_IA_64_NORECOV; | |
1581 | goto found; | |
1582 | } | |
1583 | } | |
1584 | order = order->next; | |
1585 | } | |
1586 | } | |
1587 | found:; | |
1588 | } | |
1589 | ||
b34976b6 | 1590 | return TRUE; |
800eeca4 JW |
1591 | } |
1592 | ||
800eeca4 JW |
1593 | /* According to the Tahoe assembler spec, all labels starting with a |
1594 | '.' are local. */ | |
1595 | ||
b34976b6 | 1596 | static bfd_boolean |
bbe66d08 | 1597 | elfNN_ia64_is_local_label_name (abfd, name) |
64bf6ae6 | 1598 | bfd *abfd ATTRIBUTE_UNUSED; |
800eeca4 JW |
1599 | const char *name; |
1600 | { | |
1601 | return name[0] == '.'; | |
1602 | } | |
1603 | ||
1604 | /* Should we do dynamic things to this symbol? */ | |
1605 | ||
b34976b6 | 1606 | static bfd_boolean |
986a241f | 1607 | elfNN_ia64_dynamic_symbol_p (h, info, r_type) |
800eeca4 JW |
1608 | struct elf_link_hash_entry *h; |
1609 | struct bfd_link_info *info; | |
986a241f | 1610 | int r_type; |
800eeca4 | 1611 | { |
986a241f RH |
1612 | bfd_boolean ignore_protected |
1613 | = ((r_type & 0xf8) == 0x40 /* FPTR relocs */ | |
1614 | || (r_type & 0xf8) == 0x50); /* LTOFF_FPTR relocs */ | |
800eeca4 | 1615 | |
986a241f | 1616 | return _bfd_elf_dynamic_symbol_p (h, info, ignore_protected); |
800eeca4 JW |
1617 | } |
1618 | \f | |
800eeca4 | 1619 | static struct bfd_hash_entry* |
bbe66d08 | 1620 | elfNN_ia64_new_elf_hash_entry (entry, table, string) |
800eeca4 JW |
1621 | struct bfd_hash_entry *entry; |
1622 | struct bfd_hash_table *table; | |
1623 | const char *string; | |
1624 | { | |
bbe66d08 JW |
1625 | struct elfNN_ia64_link_hash_entry *ret; |
1626 | ret = (struct elfNN_ia64_link_hash_entry *) entry; | |
800eeca4 JW |
1627 | |
1628 | /* Allocate the structure if it has not already been allocated by a | |
1629 | subclass. */ | |
1630 | if (!ret) | |
1631 | ret = bfd_hash_allocate (table, sizeof (*ret)); | |
1632 | ||
1633 | if (!ret) | |
1634 | return 0; | |
1635 | ||
800eeca4 | 1636 | /* Call the allocation method of the superclass. */ |
bbe66d08 | 1637 | ret = ((struct elfNN_ia64_link_hash_entry *) |
800eeca4 JW |
1638 | _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret, |
1639 | table, string)); | |
1640 | ||
4f40114d | 1641 | ret->info = NULL; |
800eeca4 JW |
1642 | return (struct bfd_hash_entry *) ret; |
1643 | } | |
1644 | ||
1645 | static void | |
b48fa14c | 1646 | elfNN_ia64_hash_copy_indirect (bed, xdir, xind) |
9c5bfbb7 | 1647 | const struct elf_backend_data *bed ATTRIBUTE_UNUSED; |
800eeca4 JW |
1648 | struct elf_link_hash_entry *xdir, *xind; |
1649 | { | |
bbe66d08 | 1650 | struct elfNN_ia64_link_hash_entry *dir, *ind; |
800eeca4 | 1651 | |
57c7194e AM |
1652 | dir = (struct elfNN_ia64_link_hash_entry *) xdir; |
1653 | ind = (struct elfNN_ia64_link_hash_entry *) xind; | |
800eeca4 | 1654 | |
3e932841 | 1655 | /* Copy down any references that we may have already seen to the |
800eeca4 JW |
1656 | symbol which just became indirect. */ |
1657 | ||
f5385ebf AM |
1658 | dir->root.ref_dynamic |= ind->root.ref_dynamic; |
1659 | dir->root.ref_regular |= ind->root.ref_regular; | |
1660 | dir->root.ref_regular_nonweak |= ind->root.ref_regular_nonweak; | |
1661 | dir->root.needs_plt |= ind->root.needs_plt; | |
800eeca4 | 1662 | |
1e370bd2 | 1663 | if (ind->root.root.type != bfd_link_hash_indirect) |
0a991dfe AM |
1664 | return; |
1665 | ||
800eeca4 JW |
1666 | /* Copy over the got and plt data. This would have been done |
1667 | by check_relocs. */ | |
1668 | ||
1669 | if (dir->info == NULL) | |
1670 | { | |
bbe66d08 | 1671 | struct elfNN_ia64_dyn_sym_info *dyn_i; |
800eeca4 JW |
1672 | |
1673 | dir->info = dyn_i = ind->info; | |
1674 | ind->info = NULL; | |
1675 | ||
1676 | /* Fix up the dyn_sym_info pointers to the global symbol. */ | |
1677 | for (; dyn_i; dyn_i = dyn_i->next) | |
1678 | dyn_i->h = &dir->root; | |
1679 | } | |
1680 | BFD_ASSERT (ind->info == NULL); | |
1681 | ||
1682 | /* Copy over the dynindx. */ | |
1683 | ||
1684 | if (dir->root.dynindx == -1) | |
1685 | { | |
1686 | dir->root.dynindx = ind->root.dynindx; | |
1687 | dir->root.dynstr_index = ind->root.dynstr_index; | |
1688 | ind->root.dynindx = -1; | |
1689 | ind->root.dynstr_index = 0; | |
1690 | } | |
1691 | BFD_ASSERT (ind->root.dynindx == -1); | |
1692 | } | |
1693 | ||
1694 | static void | |
e5094212 AM |
1695 | elfNN_ia64_hash_hide_symbol (info, xh, force_local) |
1696 | struct bfd_link_info *info; | |
800eeca4 | 1697 | struct elf_link_hash_entry *xh; |
b34976b6 | 1698 | bfd_boolean force_local; |
800eeca4 | 1699 | { |
bbe66d08 JW |
1700 | struct elfNN_ia64_link_hash_entry *h; |
1701 | struct elfNN_ia64_dyn_sym_info *dyn_i; | |
800eeca4 | 1702 | |
bbe66d08 | 1703 | h = (struct elfNN_ia64_link_hash_entry *)xh; |
800eeca4 | 1704 | |
e5094212 | 1705 | _bfd_elf_link_hash_hide_symbol (info, &h->root, force_local); |
800eeca4 JW |
1706 | |
1707 | for (dyn_i = h->info; dyn_i; dyn_i = dyn_i->next) | |
6a32c710 L |
1708 | { |
1709 | dyn_i->want_plt2 = 0; | |
1710 | dyn_i->want_plt = 0; | |
1711 | } | |
800eeca4 JW |
1712 | } |
1713 | ||
0aa92b58 JJ |
1714 | /* Compute a hash of a local hash entry. */ |
1715 | ||
1716 | static hashval_t | |
1717 | elfNN_ia64_local_htab_hash (ptr) | |
1718 | const void *ptr; | |
1719 | { | |
1720 | struct elfNN_ia64_local_hash_entry *entry | |
1721 | = (struct elfNN_ia64_local_hash_entry *) ptr; | |
1722 | ||
1723 | return (((entry->id & 0xff) << 24) | ((entry->id & 0xff00) << 8)) | |
1724 | ^ entry->r_sym ^ (entry->id >> 16); | |
1725 | } | |
1726 | ||
1727 | /* Compare local hash entries. */ | |
1728 | ||
1729 | static int | |
1730 | elfNN_ia64_local_htab_eq (ptr1, ptr2) | |
1731 | const void *ptr1, *ptr2; | |
1732 | { | |
1733 | struct elfNN_ia64_local_hash_entry *entry1 | |
1734 | = (struct elfNN_ia64_local_hash_entry *) ptr1; | |
1735 | struct elfNN_ia64_local_hash_entry *entry2 | |
1736 | = (struct elfNN_ia64_local_hash_entry *) ptr2; | |
1737 | ||
1738 | return entry1->id == entry2->id && entry1->r_sym == entry2->r_sym; | |
1739 | } | |
1740 | ||
800eeca4 JW |
1741 | /* Create the derived linker hash table. The IA-64 ELF port uses this |
1742 | derived hash table to keep information specific to the IA-64 ElF | |
1743 | linker (without using static variables). */ | |
1744 | ||
1745 | static struct bfd_link_hash_table* | |
bbe66d08 | 1746 | elfNN_ia64_hash_table_create (abfd) |
800eeca4 JW |
1747 | bfd *abfd; |
1748 | { | |
bbe66d08 | 1749 | struct elfNN_ia64_link_hash_table *ret; |
800eeca4 | 1750 | |
6e84a906 | 1751 | ret = bfd_zmalloc ((bfd_size_type) sizeof (*ret)); |
800eeca4 JW |
1752 | if (!ret) |
1753 | return 0; | |
6e84a906 | 1754 | |
800eeca4 | 1755 | if (!_bfd_elf_link_hash_table_init (&ret->root, abfd, |
bbe66d08 | 1756 | elfNN_ia64_new_elf_hash_entry)) |
800eeca4 | 1757 | { |
6e84a906 | 1758 | free (ret); |
800eeca4 JW |
1759 | return 0; |
1760 | } | |
1761 | ||
0aa92b58 JJ |
1762 | ret->loc_hash_table = htab_try_create (1024, elfNN_ia64_local_htab_hash, |
1763 | elfNN_ia64_local_htab_eq, NULL); | |
1764 | ret->loc_hash_memory = objalloc_create (); | |
1765 | if (!ret->loc_hash_table || !ret->loc_hash_memory) | |
6e84a906 DJ |
1766 | { |
1767 | free (ret); | |
1768 | return 0; | |
1769 | } | |
1770 | ||
800eeca4 JW |
1771 | return &ret->root.root; |
1772 | } | |
1773 | ||
0aa92b58 | 1774 | /* Destroy IA-64 linker hash table. */ |
800eeca4 | 1775 | |
0aa92b58 JJ |
1776 | static void |
1777 | elfNN_ia64_hash_table_free (hash) | |
1778 | struct bfd_link_hash_table *hash; | |
800eeca4 | 1779 | { |
0aa92b58 JJ |
1780 | struct elfNN_ia64_link_hash_table *ia64_info |
1781 | = (struct elfNN_ia64_link_hash_table *) hash; | |
1782 | if (ia64_info->loc_hash_table) | |
1783 | htab_delete (ia64_info->loc_hash_table); | |
1784 | if (ia64_info->loc_hash_memory) | |
1785 | objalloc_free ((struct objalloc *) ia64_info->loc_hash_memory); | |
1786 | _bfd_generic_link_hash_table_free (hash); | |
800eeca4 JW |
1787 | } |
1788 | ||
1789 | /* Traverse both local and global hash tables. */ | |
1790 | ||
bbe66d08 | 1791 | struct elfNN_ia64_dyn_sym_traverse_data |
800eeca4 | 1792 | { |
b34976b6 | 1793 | bfd_boolean (*func) PARAMS ((struct elfNN_ia64_dyn_sym_info *, PTR)); |
800eeca4 JW |
1794 | PTR data; |
1795 | }; | |
1796 | ||
b34976b6 | 1797 | static bfd_boolean |
bbe66d08 | 1798 | elfNN_ia64_global_dyn_sym_thunk (xentry, xdata) |
800eeca4 JW |
1799 | struct bfd_hash_entry *xentry; |
1800 | PTR xdata; | |
1801 | { | |
bbe66d08 JW |
1802 | struct elfNN_ia64_link_hash_entry *entry |
1803 | = (struct elfNN_ia64_link_hash_entry *) xentry; | |
1804 | struct elfNN_ia64_dyn_sym_traverse_data *data | |
1805 | = (struct elfNN_ia64_dyn_sym_traverse_data *) xdata; | |
1806 | struct elfNN_ia64_dyn_sym_info *dyn_i; | |
800eeca4 | 1807 | |
e92d460e AM |
1808 | if (entry->root.root.type == bfd_link_hash_warning) |
1809 | entry = (struct elfNN_ia64_link_hash_entry *) entry->root.root.u.i.link; | |
1810 | ||
800eeca4 JW |
1811 | for (dyn_i = entry->info; dyn_i; dyn_i = dyn_i->next) |
1812 | if (! (*data->func) (dyn_i, data->data)) | |
b34976b6 AM |
1813 | return FALSE; |
1814 | return TRUE; | |
800eeca4 JW |
1815 | } |
1816 | ||
b34976b6 | 1817 | static bfd_boolean |
0aa92b58 JJ |
1818 | elfNN_ia64_local_dyn_sym_thunk (slot, xdata) |
1819 | void **slot; | |
800eeca4 JW |
1820 | PTR xdata; |
1821 | { | |
bbe66d08 | 1822 | struct elfNN_ia64_local_hash_entry *entry |
0aa92b58 | 1823 | = (struct elfNN_ia64_local_hash_entry *) *slot; |
bbe66d08 JW |
1824 | struct elfNN_ia64_dyn_sym_traverse_data *data |
1825 | = (struct elfNN_ia64_dyn_sym_traverse_data *) xdata; | |
1826 | struct elfNN_ia64_dyn_sym_info *dyn_i; | |
800eeca4 JW |
1827 | |
1828 | for (dyn_i = entry->info; dyn_i; dyn_i = dyn_i->next) | |
1829 | if (! (*data->func) (dyn_i, data->data)) | |
0aa92b58 JJ |
1830 | return 0; |
1831 | return 1; | |
800eeca4 JW |
1832 | } |
1833 | ||
1834 | static void | |
bbe66d08 JW |
1835 | elfNN_ia64_dyn_sym_traverse (ia64_info, func, data) |
1836 | struct elfNN_ia64_link_hash_table *ia64_info; | |
b34976b6 | 1837 | bfd_boolean (*func) PARAMS ((struct elfNN_ia64_dyn_sym_info *, PTR)); |
800eeca4 JW |
1838 | PTR data; |
1839 | { | |
bbe66d08 | 1840 | struct elfNN_ia64_dyn_sym_traverse_data xdata; |
800eeca4 JW |
1841 | |
1842 | xdata.func = func; | |
1843 | xdata.data = data; | |
1844 | ||
1845 | elf_link_hash_traverse (&ia64_info->root, | |
bbe66d08 | 1846 | elfNN_ia64_global_dyn_sym_thunk, &xdata); |
0aa92b58 JJ |
1847 | htab_traverse (ia64_info->loc_hash_table, |
1848 | elfNN_ia64_local_dyn_sym_thunk, &xdata); | |
800eeca4 JW |
1849 | } |
1850 | \f | |
b34976b6 | 1851 | static bfd_boolean |
bbe66d08 | 1852 | elfNN_ia64_create_dynamic_sections (abfd, info) |
800eeca4 JW |
1853 | bfd *abfd; |
1854 | struct bfd_link_info *info; | |
1855 | { | |
bbe66d08 | 1856 | struct elfNN_ia64_link_hash_table *ia64_info; |
800eeca4 JW |
1857 | asection *s; |
1858 | ||
1859 | if (! _bfd_elf_create_dynamic_sections (abfd, info)) | |
b34976b6 | 1860 | return FALSE; |
800eeca4 | 1861 | |
bbe66d08 | 1862 | ia64_info = elfNN_ia64_hash_table (info); |
800eeca4 JW |
1863 | |
1864 | ia64_info->plt_sec = bfd_get_section_by_name (abfd, ".plt"); | |
1865 | ia64_info->got_sec = bfd_get_section_by_name (abfd, ".got"); | |
1866 | ||
1867 | { | |
1868 | flagword flags = bfd_get_section_flags (abfd, ia64_info->got_sec); | |
1869 | bfd_set_section_flags (abfd, ia64_info->got_sec, SEC_SMALL_DATA | flags); | |
69bbc4c0 L |
1870 | /* The .got section is always aligned at 8 bytes. */ |
1871 | bfd_set_section_alignment (abfd, ia64_info->got_sec, 3); | |
800eeca4 JW |
1872 | } |
1873 | ||
1874 | if (!get_pltoff (abfd, info, ia64_info)) | |
b34976b6 | 1875 | return FALSE; |
800eeca4 | 1876 | |
3496cb2a L |
1877 | s = bfd_make_section_with_flags (abfd, ".rela.IA_64.pltoff", |
1878 | (SEC_ALLOC | SEC_LOAD | |
1879 | | SEC_HAS_CONTENTS | |
1880 | | SEC_IN_MEMORY | |
1881 | | SEC_LINKER_CREATED | |
1882 | | SEC_READONLY)); | |
800eeca4 | 1883 | if (s == NULL |
5a260b66 | 1884 | || !bfd_set_section_alignment (abfd, s, LOG_SECTION_ALIGN)) |
b34976b6 | 1885 | return FALSE; |
800eeca4 JW |
1886 | ia64_info->rel_pltoff_sec = s; |
1887 | ||
3496cb2a L |
1888 | s = bfd_make_section_with_flags (abfd, ".rela.got", |
1889 | (SEC_ALLOC | SEC_LOAD | |
1890 | | SEC_HAS_CONTENTS | |
1891 | | SEC_IN_MEMORY | |
1892 | | SEC_LINKER_CREATED | |
1893 | | SEC_READONLY)); | |
800eeca4 | 1894 | if (s == NULL |
5a260b66 | 1895 | || !bfd_set_section_alignment (abfd, s, LOG_SECTION_ALIGN)) |
b34976b6 | 1896 | return FALSE; |
800eeca4 JW |
1897 | ia64_info->rel_got_sec = s; |
1898 | ||
b34976b6 | 1899 | return TRUE; |
800eeca4 JW |
1900 | } |
1901 | ||
f7460f5f JJ |
1902 | /* Find and/or create a hash entry for local symbol. */ |
1903 | static struct elfNN_ia64_local_hash_entry * | |
1904 | get_local_sym_hash (ia64_info, abfd, rel, create) | |
1905 | struct elfNN_ia64_link_hash_table *ia64_info; | |
1906 | bfd *abfd; | |
1907 | const Elf_Internal_Rela *rel; | |
b34976b6 | 1908 | bfd_boolean create; |
f7460f5f | 1909 | { |
0aa92b58 | 1910 | struct elfNN_ia64_local_hash_entry e, *ret; |
d48770d4 | 1911 | asection *sec = abfd->sections; |
0aa92b58 JJ |
1912 | hashval_t h = (((sec->id & 0xff) << 24) | ((sec->id & 0xff00) << 8)) |
1913 | ^ ELFNN_R_SYM (rel->r_info) ^ (sec->id >> 16); | |
1914 | void **slot; | |
d48770d4 | 1915 | |
0aa92b58 JJ |
1916 | e.id = sec->id; |
1917 | e.r_sym = ELFNN_R_SYM (rel->r_info); | |
1918 | slot = htab_find_slot_with_hash (ia64_info->loc_hash_table, &e, h, | |
1919 | create ? INSERT : NO_INSERT); | |
f7460f5f | 1920 | |
0aa92b58 JJ |
1921 | if (!slot) |
1922 | return NULL; | |
f7460f5f | 1923 | |
0aa92b58 JJ |
1924 | if (*slot) |
1925 | return (struct elfNN_ia64_local_hash_entry *) *slot; | |
f7460f5f | 1926 | |
0aa92b58 JJ |
1927 | ret = (struct elfNN_ia64_local_hash_entry *) |
1928 | objalloc_alloc ((struct objalloc *) ia64_info->loc_hash_memory, | |
1929 | sizeof (struct elfNN_ia64_local_hash_entry)); | |
1930 | if (ret) | |
1931 | { | |
1932 | memset (ret, 0, sizeof (*ret)); | |
1933 | ret->id = sec->id; | |
1934 | ret->r_sym = ELFNN_R_SYM (rel->r_info); | |
1935 | *slot = ret; | |
1936 | } | |
fcf12726 | 1937 | return ret; |
f7460f5f JJ |
1938 | } |
1939 | ||
800eeca4 JW |
1940 | /* Find and/or create a descriptor for dynamic symbol info. This will |
1941 | vary based on global or local symbol, and the addend to the reloc. */ | |
1942 | ||
bbe66d08 | 1943 | static struct elfNN_ia64_dyn_sym_info * |
800eeca4 | 1944 | get_dyn_sym_info (ia64_info, h, abfd, rel, create) |
bbe66d08 | 1945 | struct elfNN_ia64_link_hash_table *ia64_info; |
800eeca4 JW |
1946 | struct elf_link_hash_entry *h; |
1947 | bfd *abfd; | |
1948 | const Elf_Internal_Rela *rel; | |
b34976b6 | 1949 | bfd_boolean create; |
800eeca4 | 1950 | { |
bbe66d08 JW |
1951 | struct elfNN_ia64_dyn_sym_info **pp; |
1952 | struct elfNN_ia64_dyn_sym_info *dyn_i; | |
800eeca4 | 1953 | bfd_vma addend = rel ? rel->r_addend : 0; |
3e932841 | 1954 | |
800eeca4 | 1955 | if (h) |
bbe66d08 | 1956 | pp = &((struct elfNN_ia64_link_hash_entry *)h)->info; |
800eeca4 JW |
1957 | else |
1958 | { | |
bbe66d08 | 1959 | struct elfNN_ia64_local_hash_entry *loc_h; |
800eeca4 | 1960 | |
f7460f5f | 1961 | loc_h = get_local_sym_hash (ia64_info, abfd, rel, create); |
f86b235a RH |
1962 | if (!loc_h) |
1963 | { | |
1964 | BFD_ASSERT (!create); | |
1965 | return NULL; | |
1966 | } | |
800eeca4 JW |
1967 | |
1968 | pp = &loc_h->info; | |
3e932841 | 1969 | } |
800eeca4 JW |
1970 | |
1971 | for (dyn_i = *pp; dyn_i && dyn_i->addend != addend; dyn_i = *pp) | |
1972 | pp = &dyn_i->next; | |
1973 | ||
1974 | if (dyn_i == NULL && create) | |
1975 | { | |
dc810e39 AM |
1976 | dyn_i = ((struct elfNN_ia64_dyn_sym_info *) |
1977 | bfd_zalloc (abfd, (bfd_size_type) sizeof *dyn_i)); | |
800eeca4 JW |
1978 | *pp = dyn_i; |
1979 | dyn_i->addend = addend; | |
1980 | } | |
1981 | ||
1982 | return dyn_i; | |
1983 | } | |
1984 | ||
1985 | static asection * | |
1986 | get_got (abfd, info, ia64_info) | |
1987 | bfd *abfd; | |
1988 | struct bfd_link_info *info; | |
bbe66d08 | 1989 | struct elfNN_ia64_link_hash_table *ia64_info; |
800eeca4 | 1990 | { |
64bf6ae6 | 1991 | asection *got; |
800eeca4 JW |
1992 | bfd *dynobj; |
1993 | ||
1994 | got = ia64_info->got_sec; | |
1995 | if (!got) | |
1996 | { | |
1997 | flagword flags; | |
1998 | ||
1999 | dynobj = ia64_info->root.dynobj; | |
2000 | if (!dynobj) | |
2001 | ia64_info->root.dynobj = dynobj = abfd; | |
2002 | if (!_bfd_elf_create_got_section (dynobj, info)) | |
2003 | return 0; | |
2004 | ||
2005 | got = bfd_get_section_by_name (dynobj, ".got"); | |
2006 | BFD_ASSERT (got); | |
2007 | ia64_info->got_sec = got; | |
2008 | ||
8651fcf9 L |
2009 | /* The .got section is always aligned at 8 bytes. */ |
2010 | if (!bfd_set_section_alignment (abfd, got, 3)) | |
2011 | return 0; | |
2012 | ||
800eeca4 JW |
2013 | flags = bfd_get_section_flags (abfd, got); |
2014 | bfd_set_section_flags (abfd, got, SEC_SMALL_DATA | flags); | |
2015 | } | |
2016 | ||
2017 | return got; | |
2018 | } | |
2019 | ||
2020 | /* Create function descriptor section (.opd). This section is called .opd | |
4cc11e76 | 2021 | because it contains "official procedure descriptors". The "official" |
800eeca4 JW |
2022 | refers to the fact that these descriptors are used when taking the address |
2023 | of a procedure, thus ensuring a unique address for each procedure. */ | |
2024 | ||
2025 | static asection * | |
2026 | get_fptr (abfd, info, ia64_info) | |
2027 | bfd *abfd; | |
9203ba99 | 2028 | struct bfd_link_info *info; |
bbe66d08 | 2029 | struct elfNN_ia64_link_hash_table *ia64_info; |
800eeca4 JW |
2030 | { |
2031 | asection *fptr; | |
2032 | bfd *dynobj; | |
2033 | ||
2034 | fptr = ia64_info->fptr_sec; | |
2035 | if (!fptr) | |
2036 | { | |
2037 | dynobj = ia64_info->root.dynobj; | |
2038 | if (!dynobj) | |
2039 | ia64_info->root.dynobj = dynobj = abfd; | |
2040 | ||
3496cb2a L |
2041 | fptr = bfd_make_section_with_flags (dynobj, ".opd", |
2042 | (SEC_ALLOC | |
2043 | | SEC_LOAD | |
2044 | | SEC_HAS_CONTENTS | |
2045 | | SEC_IN_MEMORY | |
2046 | | (info->pie ? 0 : SEC_READONLY) | |
2047 | | SEC_LINKER_CREATED)); | |
800eeca4 | 2048 | if (!fptr |
800eeca4 JW |
2049 | || !bfd_set_section_alignment (abfd, fptr, 4)) |
2050 | { | |
2051 | BFD_ASSERT (0); | |
2052 | return NULL; | |
2053 | } | |
2054 | ||
2055 | ia64_info->fptr_sec = fptr; | |
9203ba99 JJ |
2056 | |
2057 | if (info->pie) | |
2058 | { | |
2059 | asection *fptr_rel; | |
3496cb2a L |
2060 | fptr_rel = bfd_make_section_with_flags (dynobj, ".rela.opd", |
2061 | (SEC_ALLOC | SEC_LOAD | |
2062 | | SEC_HAS_CONTENTS | |
2063 | | SEC_IN_MEMORY | |
2064 | | SEC_LINKER_CREATED | |
2065 | | SEC_READONLY)); | |
9203ba99 | 2066 | if (fptr_rel == NULL |
5a260b66 L |
2067 | || !bfd_set_section_alignment (abfd, fptr_rel, |
2068 | LOG_SECTION_ALIGN)) | |
9203ba99 JJ |
2069 | { |
2070 | BFD_ASSERT (0); | |
2071 | return NULL; | |
2072 | } | |
2073 | ||
2074 | ia64_info->rel_fptr_sec = fptr_rel; | |
2075 | } | |
800eeca4 JW |
2076 | } |
2077 | ||
2078 | return fptr; | |
2079 | } | |
2080 | ||
2081 | static asection * | |
2082 | get_pltoff (abfd, info, ia64_info) | |
2083 | bfd *abfd; | |
64bf6ae6 | 2084 | struct bfd_link_info *info ATTRIBUTE_UNUSED; |
bbe66d08 | 2085 | struct elfNN_ia64_link_hash_table *ia64_info; |
800eeca4 JW |
2086 | { |
2087 | asection *pltoff; | |
2088 | bfd *dynobj; | |
2089 | ||
2090 | pltoff = ia64_info->pltoff_sec; | |
2091 | if (!pltoff) | |
2092 | { | |
2093 | dynobj = ia64_info->root.dynobj; | |
2094 | if (!dynobj) | |
2095 | ia64_info->root.dynobj = dynobj = abfd; | |
2096 | ||
3496cb2a L |
2097 | pltoff = bfd_make_section_with_flags (dynobj, |
2098 | ELF_STRING_ia64_pltoff, | |
2099 | (SEC_ALLOC | |
2100 | | SEC_LOAD | |
2101 | | SEC_HAS_CONTENTS | |
2102 | | SEC_IN_MEMORY | |
2103 | | SEC_SMALL_DATA | |
2104 | | SEC_LINKER_CREATED)); | |
800eeca4 | 2105 | if (!pltoff |
800eeca4 JW |
2106 | || !bfd_set_section_alignment (abfd, pltoff, 4)) |
2107 | { | |
2108 | BFD_ASSERT (0); | |
2109 | return NULL; | |
2110 | } | |
2111 | ||
2112 | ia64_info->pltoff_sec = pltoff; | |
2113 | } | |
2114 | ||
2115 | return pltoff; | |
2116 | } | |
2117 | ||
2118 | static asection * | |
2119 | get_reloc_section (abfd, ia64_info, sec, create) | |
2120 | bfd *abfd; | |
bbe66d08 | 2121 | struct elfNN_ia64_link_hash_table *ia64_info; |
800eeca4 | 2122 | asection *sec; |
b34976b6 | 2123 | bfd_boolean create; |
800eeca4 JW |
2124 | { |
2125 | const char *srel_name; | |
2126 | asection *srel; | |
2127 | bfd *dynobj; | |
2128 | ||
2129 | srel_name = (bfd_elf_string_from_elf_section | |
2130 | (abfd, elf_elfheader(abfd)->e_shstrndx, | |
2131 | elf_section_data(sec)->rel_hdr.sh_name)); | |
2132 | if (srel_name == NULL) | |
2133 | return NULL; | |
2134 | ||
2135 | BFD_ASSERT ((strncmp (srel_name, ".rela", 5) == 0 | |
2136 | && strcmp (bfd_get_section_name (abfd, sec), | |
2137 | srel_name+5) == 0) | |
2138 | || (strncmp (srel_name, ".rel", 4) == 0 | |
2139 | && strcmp (bfd_get_section_name (abfd, sec), | |
2140 | srel_name+4) == 0)); | |
2141 | ||
2142 | dynobj = ia64_info->root.dynobj; | |
2143 | if (!dynobj) | |
2144 | ia64_info->root.dynobj = dynobj = abfd; | |
2145 | ||
2146 | srel = bfd_get_section_by_name (dynobj, srel_name); | |
2147 | if (srel == NULL && create) | |
2148 | { | |
3496cb2a L |
2149 | srel = bfd_make_section_with_flags (dynobj, srel_name, |
2150 | (SEC_ALLOC | SEC_LOAD | |
2151 | | SEC_HAS_CONTENTS | |
2152 | | SEC_IN_MEMORY | |
2153 | | SEC_LINKER_CREATED | |
2154 | | SEC_READONLY)); | |
800eeca4 | 2155 | if (srel == NULL |
5a260b66 L |
2156 | || !bfd_set_section_alignment (dynobj, srel, |
2157 | LOG_SECTION_ALIGN)) | |
800eeca4 JW |
2158 | return NULL; |
2159 | } | |
2160 | ||
2161 | return srel; | |
2162 | } | |
2163 | ||
b34976b6 | 2164 | static bfd_boolean |
ac33696c L |
2165 | count_dyn_reloc (bfd *abfd, struct elfNN_ia64_dyn_sym_info *dyn_i, |
2166 | asection *srel, int type, bfd_boolean reltext) | |
800eeca4 | 2167 | { |
bbe66d08 | 2168 | struct elfNN_ia64_dyn_reloc_entry *rent; |
800eeca4 JW |
2169 | |
2170 | for (rent = dyn_i->reloc_entries; rent; rent = rent->next) | |
2171 | if (rent->srel == srel && rent->type == type) | |
2172 | break; | |
2173 | ||
2174 | if (!rent) | |
2175 | { | |
dc810e39 AM |
2176 | rent = ((struct elfNN_ia64_dyn_reloc_entry *) |
2177 | bfd_alloc (abfd, (bfd_size_type) sizeof (*rent))); | |
800eeca4 | 2178 | if (!rent) |
b34976b6 | 2179 | return FALSE; |
800eeca4 JW |
2180 | |
2181 | rent->next = dyn_i->reloc_entries; | |
2182 | rent->srel = srel; | |
2183 | rent->type = type; | |
2184 | rent->count = 0; | |
2185 | dyn_i->reloc_entries = rent; | |
2186 | } | |
ac33696c | 2187 | rent->reltext = reltext; |
800eeca4 JW |
2188 | rent->count++; |
2189 | ||
b34976b6 | 2190 | return TRUE; |
800eeca4 JW |
2191 | } |
2192 | ||
b34976b6 | 2193 | static bfd_boolean |
bbe66d08 | 2194 | elfNN_ia64_check_relocs (abfd, info, sec, relocs) |
800eeca4 JW |
2195 | bfd *abfd; |
2196 | struct bfd_link_info *info; | |
2197 | asection *sec; | |
2198 | const Elf_Internal_Rela *relocs; | |
2199 | { | |
bbe66d08 | 2200 | struct elfNN_ia64_link_hash_table *ia64_info; |
800eeca4 JW |
2201 | const Elf_Internal_Rela *relend; |
2202 | Elf_Internal_Shdr *symtab_hdr; | |
2203 | const Elf_Internal_Rela *rel; | |
21a8f7fa | 2204 | asection *got, *fptr, *srel, *pltoff; |
800eeca4 | 2205 | |
1049f94e | 2206 | if (info->relocatable) |
b34976b6 | 2207 | return TRUE; |
800eeca4 JW |
2208 | |
2209 | symtab_hdr = &elf_tdata (abfd)->symtab_hdr; | |
bbe66d08 | 2210 | ia64_info = elfNN_ia64_hash_table (info); |
800eeca4 | 2211 | |
21a8f7fa | 2212 | got = fptr = srel = pltoff = NULL; |
800eeca4 JW |
2213 | |
2214 | relend = relocs + sec->reloc_count; | |
2215 | for (rel = relocs; rel < relend; ++rel) | |
2216 | { | |
2217 | enum { | |
2218 | NEED_GOT = 1, | |
2c4c2bc0 RH |
2219 | NEED_GOTX = 2, |
2220 | NEED_FPTR = 4, | |
2221 | NEED_PLTOFF = 8, | |
2222 | NEED_MIN_PLT = 16, | |
2223 | NEED_FULL_PLT = 32, | |
2224 | NEED_DYNREL = 64, | |
2225 | NEED_LTOFF_FPTR = 128, | |
2226 | NEED_TPREL = 256, | |
2227 | NEED_DTPMOD = 512, | |
2228 | NEED_DTPREL = 1024 | |
800eeca4 JW |
2229 | }; |
2230 | ||
2231 | struct elf_link_hash_entry *h = NULL; | |
bbe66d08 JW |
2232 | unsigned long r_symndx = ELFNN_R_SYM (rel->r_info); |
2233 | struct elfNN_ia64_dyn_sym_info *dyn_i; | |
800eeca4 | 2234 | int need_entry; |
b34976b6 | 2235 | bfd_boolean maybe_dynamic; |
64bf6ae6 | 2236 | int dynrel_type = R_IA64_NONE; |
800eeca4 JW |
2237 | |
2238 | if (r_symndx >= symtab_hdr->sh_info) | |
2239 | { | |
2240 | /* We're dealing with a global symbol -- find its hash entry | |
2241 | and mark it as being referenced. */ | |
2242 | long indx = r_symndx - symtab_hdr->sh_info; | |
2243 | h = elf_sym_hashes (abfd)[indx]; | |
2244 | while (h->root.type == bfd_link_hash_indirect | |
2245 | || h->root.type == bfd_link_hash_warning) | |
2246 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
2247 | ||
f5385ebf | 2248 | h->ref_regular = 1; |
800eeca4 JW |
2249 | } |
2250 | ||
2251 | /* We can only get preliminary data on whether a symbol is | |
2252 | locally or externally defined, as not all of the input files | |
2253 | have yet been processed. Do something with what we know, as | |
2254 | this may help reduce memory usage and processing time later. */ | |
b34976b6 | 2255 | maybe_dynamic = FALSE; |
9203ba99 | 2256 | if (h && ((!info->executable |
f5385ebf AM |
2257 | && (!info->symbolic |
2258 | || info->unresolved_syms_in_shared_libs == RM_IGNORE)) | |
2259 | || !h->def_regular | |
02e6ad56 | 2260 | || h->root.type == bfd_link_hash_defweak)) |
b34976b6 | 2261 | maybe_dynamic = TRUE; |
800eeca4 JW |
2262 | |
2263 | need_entry = 0; | |
bbe66d08 | 2264 | switch (ELFNN_R_TYPE (rel->r_info)) |
800eeca4 | 2265 | { |
800eeca4 JW |
2266 | case R_IA64_TPREL64MSB: |
2267 | case R_IA64_TPREL64LSB: | |
13ae64f3 JJ |
2268 | if (info->shared || maybe_dynamic) |
2269 | need_entry = NEED_DYNREL; | |
2270 | dynrel_type = R_IA64_TPREL64LSB; | |
2271 | if (info->shared) | |
2272 | info->flags |= DF_STATIC_TLS; | |
2273 | break; | |
2274 | ||
2275 | case R_IA64_LTOFF_TPREL22: | |
2276 | need_entry = NEED_TPREL; | |
2277 | if (info->shared) | |
2278 | info->flags |= DF_STATIC_TLS; | |
2279 | break; | |
2280 | ||
5a260b66 L |
2281 | case R_IA64_DTPREL32MSB: |
2282 | case R_IA64_DTPREL32LSB: | |
13ae64f3 JJ |
2283 | case R_IA64_DTPREL64MSB: |
2284 | case R_IA64_DTPREL64LSB: | |
2285 | if (info->shared || maybe_dynamic) | |
2286 | need_entry = NEED_DYNREL; | |
5a260b66 | 2287 | dynrel_type = R_IA64_DTPRELNNLSB; |
13ae64f3 JJ |
2288 | break; |
2289 | ||
2290 | case R_IA64_LTOFF_DTPREL22: | |
2291 | need_entry = NEED_DTPREL; | |
2292 | break; | |
2293 | ||
2294 | case R_IA64_DTPMOD64MSB: | |
2295 | case R_IA64_DTPMOD64LSB: | |
2296 | if (info->shared || maybe_dynamic) | |
2297 | need_entry = NEED_DYNREL; | |
2298 | dynrel_type = R_IA64_DTPMOD64LSB; | |
2299 | break; | |
2300 | ||
2301 | case R_IA64_LTOFF_DTPMOD22: | |
2302 | need_entry = NEED_DTPMOD; | |
2303 | break; | |
800eeca4 JW |
2304 | |
2305 | case R_IA64_LTOFF_FPTR22: | |
2306 | case R_IA64_LTOFF_FPTR64I: | |
a4bd8390 JW |
2307 | case R_IA64_LTOFF_FPTR32MSB: |
2308 | case R_IA64_LTOFF_FPTR32LSB: | |
800eeca4 JW |
2309 | case R_IA64_LTOFF_FPTR64MSB: |
2310 | case R_IA64_LTOFF_FPTR64LSB: | |
2311 | need_entry = NEED_FPTR | NEED_GOT | NEED_LTOFF_FPTR; | |
2312 | break; | |
2313 | ||
2314 | case R_IA64_FPTR64I: | |
2315 | case R_IA64_FPTR32MSB: | |
2316 | case R_IA64_FPTR32LSB: | |
2317 | case R_IA64_FPTR64MSB: | |
2318 | case R_IA64_FPTR64LSB: | |
02e6ad56 | 2319 | if (info->shared || h) |
800eeca4 JW |
2320 | need_entry = NEED_FPTR | NEED_DYNREL; |
2321 | else | |
2322 | need_entry = NEED_FPTR; | |
5a260b66 | 2323 | dynrel_type = R_IA64_FPTRNNLSB; |
800eeca4 JW |
2324 | break; |
2325 | ||
2326 | case R_IA64_LTOFF22: | |
800eeca4 JW |
2327 | case R_IA64_LTOFF64I: |
2328 | need_entry = NEED_GOT; | |
2329 | break; | |
2330 | ||
2c4c2bc0 RH |
2331 | case R_IA64_LTOFF22X: |
2332 | need_entry = NEED_GOTX; | |
2333 | break; | |
2334 | ||
800eeca4 JW |
2335 | case R_IA64_PLTOFF22: |
2336 | case R_IA64_PLTOFF64I: | |
2337 | case R_IA64_PLTOFF64MSB: | |
2338 | case R_IA64_PLTOFF64LSB: | |
2339 | need_entry = NEED_PLTOFF; | |
2340 | if (h) | |
2341 | { | |
2342 | if (maybe_dynamic) | |
2343 | need_entry |= NEED_MIN_PLT; | |
2344 | } | |
2345 | else | |
2346 | { | |
2347 | (*info->callbacks->warning) | |
2348 | (info, _("@pltoff reloc against local symbol"), 0, | |
dc810e39 | 2349 | abfd, 0, (bfd_vma) 0); |
800eeca4 JW |
2350 | } |
2351 | break; | |
2352 | ||
2353 | case R_IA64_PCREL21B: | |
748abff6 | 2354 | case R_IA64_PCREL60B: |
800eeca4 JW |
2355 | /* Depending on where this symbol is defined, we may or may not |
2356 | need a full plt entry. Only skip if we know we'll not need | |
2357 | the entry -- static or symbolic, and the symbol definition | |
2358 | has already been seen. */ | |
2359 | if (maybe_dynamic && rel->r_addend == 0) | |
2360 | need_entry = NEED_FULL_PLT; | |
2361 | break; | |
2362 | ||
2363 | case R_IA64_IMM14: | |
2364 | case R_IA64_IMM22: | |
2365 | case R_IA64_IMM64: | |
2366 | case R_IA64_DIR32MSB: | |
2367 | case R_IA64_DIR32LSB: | |
2368 | case R_IA64_DIR64MSB: | |
2369 | case R_IA64_DIR64LSB: | |
2370 | /* Shared objects will always need at least a REL relocation. */ | |
02e6ad56 | 2371 | if (info->shared || maybe_dynamic) |
800eeca4 | 2372 | need_entry = NEED_DYNREL; |
5a260b66 | 2373 | dynrel_type = R_IA64_DIRNNLSB; |
800eeca4 JW |
2374 | break; |
2375 | ||
18b27f17 RH |
2376 | case R_IA64_IPLTMSB: |
2377 | case R_IA64_IPLTLSB: | |
2378 | /* Shared objects will always need at least a REL relocation. */ | |
2379 | if (info->shared || maybe_dynamic) | |
2380 | need_entry = NEED_DYNREL; | |
2381 | dynrel_type = R_IA64_IPLTLSB; | |
2382 | break; | |
2383 | ||
748abff6 RH |
2384 | case R_IA64_PCREL22: |
2385 | case R_IA64_PCREL64I: | |
800eeca4 JW |
2386 | case R_IA64_PCREL32MSB: |
2387 | case R_IA64_PCREL32LSB: | |
2388 | case R_IA64_PCREL64MSB: | |
2389 | case R_IA64_PCREL64LSB: | |
2390 | if (maybe_dynamic) | |
2391 | need_entry = NEED_DYNREL; | |
5a260b66 | 2392 | dynrel_type = R_IA64_PCRELNNLSB; |
800eeca4 JW |
2393 | break; |
2394 | } | |
2395 | ||
2396 | if (!need_entry) | |
2397 | continue; | |
2398 | ||
2399 | if ((need_entry & NEED_FPTR) != 0 | |
2400 | && rel->r_addend) | |
2401 | { | |
2402 | (*info->callbacks->warning) | |
2403 | (info, _("non-zero addend in @fptr reloc"), 0, | |
dc810e39 | 2404 | abfd, 0, (bfd_vma) 0); |
800eeca4 JW |
2405 | } |
2406 | ||
b34976b6 | 2407 | dyn_i = get_dyn_sym_info (ia64_info, h, abfd, rel, TRUE); |
800eeca4 JW |
2408 | |
2409 | /* Record whether or not this is a local symbol. */ | |
2410 | dyn_i->h = h; | |
2411 | ||
2412 | /* Create what's needed. */ | |
2c4c2bc0 RH |
2413 | if (need_entry & (NEED_GOT | NEED_GOTX | NEED_TPREL |
2414 | | NEED_DTPMOD | NEED_DTPREL)) | |
800eeca4 JW |
2415 | { |
2416 | if (!got) | |
2417 | { | |
2418 | got = get_got (abfd, info, ia64_info); | |
2419 | if (!got) | |
b34976b6 | 2420 | return FALSE; |
800eeca4 | 2421 | } |
13ae64f3 JJ |
2422 | if (need_entry & NEED_GOT) |
2423 | dyn_i->want_got = 1; | |
2c4c2bc0 RH |
2424 | if (need_entry & NEED_GOTX) |
2425 | dyn_i->want_gotx = 1; | |
13ae64f3 JJ |
2426 | if (need_entry & NEED_TPREL) |
2427 | dyn_i->want_tprel = 1; | |
2428 | if (need_entry & NEED_DTPMOD) | |
2429 | dyn_i->want_dtpmod = 1; | |
2430 | if (need_entry & NEED_DTPREL) | |
2431 | dyn_i->want_dtprel = 1; | |
800eeca4 JW |
2432 | } |
2433 | if (need_entry & NEED_FPTR) | |
2434 | { | |
2435 | if (!fptr) | |
2436 | { | |
2437 | fptr = get_fptr (abfd, info, ia64_info); | |
2438 | if (!fptr) | |
b34976b6 | 2439 | return FALSE; |
800eeca4 JW |
2440 | } |
2441 | ||
2442 | /* FPTRs for shared libraries are allocated by the dynamic | |
2443 | linker. Make sure this local symbol will appear in the | |
2444 | dynamic symbol table. */ | |
02e6ad56 | 2445 | if (!h && info->shared) |
800eeca4 | 2446 | { |
c152c796 | 2447 | if (! (bfd_elf_link_record_local_dynamic_symbol |
dc810e39 | 2448 | (info, abfd, (long) r_symndx))) |
b34976b6 | 2449 | return FALSE; |
800eeca4 JW |
2450 | } |
2451 | ||
2452 | dyn_i->want_fptr = 1; | |
2453 | } | |
2454 | if (need_entry & NEED_LTOFF_FPTR) | |
2455 | dyn_i->want_ltoff_fptr = 1; | |
2456 | if (need_entry & (NEED_MIN_PLT | NEED_FULL_PLT)) | |
2457 | { | |
2458 | if (!ia64_info->root.dynobj) | |
2459 | ia64_info->root.dynobj = abfd; | |
f5385ebf | 2460 | h->needs_plt = 1; |
800eeca4 JW |
2461 | dyn_i->want_plt = 1; |
2462 | } | |
2463 | if (need_entry & NEED_FULL_PLT) | |
2464 | dyn_i->want_plt2 = 1; | |
2465 | if (need_entry & NEED_PLTOFF) | |
21a8f7fa JW |
2466 | { |
2467 | /* This is needed here, in case @pltoff is used in a non-shared | |
2468 | link. */ | |
2469 | if (!pltoff) | |
2470 | { | |
2471 | pltoff = get_pltoff (abfd, info, ia64_info); | |
2472 | if (!pltoff) | |
2473 | return FALSE; | |
2474 | } | |
f12123c0 | 2475 | |
21a8f7fa JW |
2476 | dyn_i->want_pltoff = 1; |
2477 | } | |
800eeca4 JW |
2478 | if ((need_entry & NEED_DYNREL) && (sec->flags & SEC_ALLOC)) |
2479 | { | |
2480 | if (!srel) | |
2481 | { | |
b34976b6 | 2482 | srel = get_reloc_section (abfd, ia64_info, sec, TRUE); |
800eeca4 | 2483 | if (!srel) |
b34976b6 | 2484 | return FALSE; |
800eeca4 | 2485 | } |
ac33696c | 2486 | if (!count_dyn_reloc (abfd, dyn_i, srel, dynrel_type, |
de9811af | 2487 | (sec->flags & SEC_READONLY) != 0)) |
b34976b6 | 2488 | return FALSE; |
800eeca4 JW |
2489 | } |
2490 | } | |
2491 | ||
b34976b6 | 2492 | return TRUE; |
800eeca4 JW |
2493 | } |
2494 | ||
800eeca4 JW |
2495 | /* For cleanliness, and potentially faster dynamic loading, allocate |
2496 | external GOT entries first. */ | |
2497 | ||
b34976b6 | 2498 | static bfd_boolean |
800eeca4 | 2499 | allocate_global_data_got (dyn_i, data) |
bbe66d08 | 2500 | struct elfNN_ia64_dyn_sym_info *dyn_i; |
800eeca4 JW |
2501 | PTR data; |
2502 | { | |
bbe66d08 | 2503 | struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data; |
800eeca4 | 2504 | |
2c4c2bc0 | 2505 | if ((dyn_i->want_got || dyn_i->want_gotx) |
800eeca4 | 2506 | && ! dyn_i->want_fptr |
986a241f | 2507 | && elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info, 0)) |
800eeca4 JW |
2508 | { |
2509 | dyn_i->got_offset = x->ofs; | |
2510 | x->ofs += 8; | |
2511 | } | |
13ae64f3 JJ |
2512 | if (dyn_i->want_tprel) |
2513 | { | |
2514 | dyn_i->tprel_offset = x->ofs; | |
2515 | x->ofs += 8; | |
2516 | } | |
2517 | if (dyn_i->want_dtpmod) | |
2518 | { | |
986a241f | 2519 | if (elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info, 0)) |
b3dfd7fe JJ |
2520 | { |
2521 | dyn_i->dtpmod_offset = x->ofs; | |
2522 | x->ofs += 8; | |
2523 | } | |
2524 | else | |
2525 | { | |
2526 | struct elfNN_ia64_link_hash_table *ia64_info; | |
2527 | ||
2528 | ia64_info = elfNN_ia64_hash_table (x->info); | |
2529 | if (ia64_info->self_dtpmod_offset == (bfd_vma) -1) | |
2530 | { | |
2531 | ia64_info->self_dtpmod_offset = x->ofs; | |
2532 | x->ofs += 8; | |
2533 | } | |
2534 | dyn_i->dtpmod_offset = ia64_info->self_dtpmod_offset; | |
2535 | } | |
13ae64f3 JJ |
2536 | } |
2537 | if (dyn_i->want_dtprel) | |
2538 | { | |
2539 | dyn_i->dtprel_offset = x->ofs; | |
2540 | x->ofs += 8; | |
2541 | } | |
b34976b6 | 2542 | return TRUE; |
800eeca4 JW |
2543 | } |
2544 | ||
2545 | /* Next, allocate all the GOT entries used by LTOFF_FPTR relocs. */ | |
2546 | ||
b34976b6 | 2547 | static bfd_boolean |
800eeca4 | 2548 | allocate_global_fptr_got (dyn_i, data) |
bbe66d08 | 2549 | struct elfNN_ia64_dyn_sym_info *dyn_i; |
800eeca4 JW |
2550 | PTR data; |
2551 | { | |
bbe66d08 | 2552 | struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data; |
800eeca4 JW |
2553 | |
2554 | if (dyn_i->want_got | |
2555 | && dyn_i->want_fptr | |
5a260b66 | 2556 | && elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info, R_IA64_FPTRNNLSB)) |
800eeca4 JW |
2557 | { |
2558 | dyn_i->got_offset = x->ofs; | |
2559 | x->ofs += 8; | |
2560 | } | |
b34976b6 | 2561 | return TRUE; |
800eeca4 JW |
2562 | } |
2563 | ||
2564 | /* Lastly, allocate all the GOT entries for local data. */ | |
2565 | ||
b34976b6 | 2566 | static bfd_boolean |
800eeca4 | 2567 | allocate_local_got (dyn_i, data) |
bbe66d08 | 2568 | struct elfNN_ia64_dyn_sym_info *dyn_i; |
800eeca4 JW |
2569 | PTR data; |
2570 | { | |
bbe66d08 | 2571 | struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data; |
800eeca4 | 2572 | |
2c4c2bc0 | 2573 | if ((dyn_i->want_got || dyn_i->want_gotx) |
986a241f | 2574 | && !elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info, 0)) |
800eeca4 JW |
2575 | { |
2576 | dyn_i->got_offset = x->ofs; | |
2577 | x->ofs += 8; | |
2578 | } | |
b34976b6 | 2579 | return TRUE; |
800eeca4 JW |
2580 | } |
2581 | ||
2582 | /* Search for the index of a global symbol in it's defining object file. */ | |
2583 | ||
dc810e39 | 2584 | static long |
800eeca4 JW |
2585 | global_sym_index (h) |
2586 | struct elf_link_hash_entry *h; | |
2587 | { | |
2588 | struct elf_link_hash_entry **p; | |
2589 | bfd *obj; | |
2590 | ||
2591 | BFD_ASSERT (h->root.type == bfd_link_hash_defined | |
2592 | || h->root.type == bfd_link_hash_defweak); | |
2593 | ||
2594 | obj = h->root.u.def.section->owner; | |
2595 | for (p = elf_sym_hashes (obj); *p != h; ++p) | |
2596 | continue; | |
2597 | ||
2598 | return p - elf_sym_hashes (obj) + elf_tdata (obj)->symtab_hdr.sh_info; | |
2599 | } | |
2600 | ||
2601 | /* Allocate function descriptors. We can do these for every function | |
2602 | in a main executable that is not exported. */ | |
2603 | ||
b34976b6 | 2604 | static bfd_boolean |
800eeca4 | 2605 | allocate_fptr (dyn_i, data) |
bbe66d08 | 2606 | struct elfNN_ia64_dyn_sym_info *dyn_i; |
800eeca4 JW |
2607 | PTR data; |
2608 | { | |
bbe66d08 | 2609 | struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data; |
800eeca4 JW |
2610 | |
2611 | if (dyn_i->want_fptr) | |
2612 | { | |
2613 | struct elf_link_hash_entry *h = dyn_i->h; | |
3e932841 | 2614 | |
800eeca4 JW |
2615 | if (h) |
2616 | while (h->root.type == bfd_link_hash_indirect | |
2617 | || h->root.type == bfd_link_hash_warning) | |
2618 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
2619 | ||
02e6ad56 RH |
2620 | if (!x->info->executable |
2621 | && (!h | |
2622 | || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT | |
2623 | || h->root.type != bfd_link_hash_undefweak)) | |
800eeca4 JW |
2624 | { |
2625 | if (h && h->dynindx == -1) | |
2626 | { | |
2627 | BFD_ASSERT ((h->root.type == bfd_link_hash_defined) | |
2628 | || (h->root.type == bfd_link_hash_defweak)); | |
2629 | ||
c152c796 | 2630 | if (!bfd_elf_link_record_local_dynamic_symbol |
800eeca4 JW |
2631 | (x->info, h->root.u.def.section->owner, |
2632 | global_sym_index (h))) | |
b34976b6 | 2633 | return FALSE; |
800eeca4 JW |
2634 | } |
2635 | ||
2636 | dyn_i->want_fptr = 0; | |
2637 | } | |
2638 | else if (h == NULL || h->dynindx == -1) | |
2639 | { | |
2640 | dyn_i->fptr_offset = x->ofs; | |
2641 | x->ofs += 16; | |
2642 | } | |
2643 | else | |
2644 | dyn_i->want_fptr = 0; | |
2645 | } | |
b34976b6 | 2646 | return TRUE; |
800eeca4 JW |
2647 | } |
2648 | ||
2649 | /* Allocate all the minimal PLT entries. */ | |
2650 | ||
b34976b6 | 2651 | static bfd_boolean |
800eeca4 | 2652 | allocate_plt_entries (dyn_i, data) |
bbe66d08 | 2653 | struct elfNN_ia64_dyn_sym_info *dyn_i; |
800eeca4 JW |
2654 | PTR data; |
2655 | { | |
bbe66d08 | 2656 | struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data; |
800eeca4 JW |
2657 | |
2658 | if (dyn_i->want_plt) | |
2659 | { | |
2660 | struct elf_link_hash_entry *h = dyn_i->h; | |
2661 | ||
2662 | if (h) | |
2663 | while (h->root.type == bfd_link_hash_indirect | |
2664 | || h->root.type == bfd_link_hash_warning) | |
2665 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
2666 | ||
f5385ebf | 2667 | /* ??? Versioned symbols seem to lose NEEDS_PLT. */ |
986a241f | 2668 | if (elfNN_ia64_dynamic_symbol_p (h, x->info, 0)) |
800eeca4 JW |
2669 | { |
2670 | bfd_size_type offset = x->ofs; | |
2671 | if (offset == 0) | |
2672 | offset = PLT_HEADER_SIZE; | |
2673 | dyn_i->plt_offset = offset; | |
2674 | x->ofs = offset + PLT_MIN_ENTRY_SIZE; | |
2675 | ||
2676 | dyn_i->want_pltoff = 1; | |
2677 | } | |
2678 | else | |
2679 | { | |
2680 | dyn_i->want_plt = 0; | |
2681 | dyn_i->want_plt2 = 0; | |
2682 | } | |
2683 | } | |
b34976b6 | 2684 | return TRUE; |
800eeca4 JW |
2685 | } |
2686 | ||
2687 | /* Allocate all the full PLT entries. */ | |
2688 | ||
b34976b6 | 2689 | static bfd_boolean |
800eeca4 | 2690 | allocate_plt2_entries (dyn_i, data) |
bbe66d08 | 2691 | struct elfNN_ia64_dyn_sym_info *dyn_i; |
800eeca4 JW |
2692 | PTR data; |
2693 | { | |
bbe66d08 | 2694 | struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data; |
800eeca4 JW |
2695 | |
2696 | if (dyn_i->want_plt2) | |
2697 | { | |
2698 | struct elf_link_hash_entry *h = dyn_i->h; | |
2699 | bfd_size_type ofs = x->ofs; | |
2700 | ||
2701 | dyn_i->plt2_offset = ofs; | |
2702 | x->ofs = ofs + PLT_FULL_ENTRY_SIZE; | |
2703 | ||
2704 | while (h->root.type == bfd_link_hash_indirect | |
2705 | || h->root.type == bfd_link_hash_warning) | |
2706 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
2707 | dyn_i->h->plt.offset = ofs; | |
2708 | } | |
b34976b6 | 2709 | return TRUE; |
800eeca4 JW |
2710 | } |
2711 | ||
2712 | /* Allocate all the PLTOFF entries requested by relocations and | |
2713 | plt entries. We can't share space with allocated FPTR entries, | |
2714 | because the latter are not necessarily addressable by the GP. | |
2715 | ??? Relaxation might be able to determine that they are. */ | |
2716 | ||
b34976b6 | 2717 | static bfd_boolean |
800eeca4 | 2718 | allocate_pltoff_entries (dyn_i, data) |
bbe66d08 | 2719 | struct elfNN_ia64_dyn_sym_info *dyn_i; |
800eeca4 JW |
2720 | PTR data; |
2721 | { | |
bbe66d08 | 2722 | struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data; |
800eeca4 JW |
2723 | |
2724 | if (dyn_i->want_pltoff) | |
2725 | { | |
2726 | dyn_i->pltoff_offset = x->ofs; | |
2727 | x->ofs += 16; | |
2728 | } | |
b34976b6 | 2729 | return TRUE; |
800eeca4 JW |
2730 | } |
2731 | ||
2732 | /* Allocate dynamic relocations for those symbols that turned out | |
2733 | to be dynamic. */ | |
2734 | ||
b34976b6 | 2735 | static bfd_boolean |
800eeca4 | 2736 | allocate_dynrel_entries (dyn_i, data) |
bbe66d08 | 2737 | struct elfNN_ia64_dyn_sym_info *dyn_i; |
800eeca4 JW |
2738 | PTR data; |
2739 | { | |
bbe66d08 JW |
2740 | struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data; |
2741 | struct elfNN_ia64_link_hash_table *ia64_info; | |
2742 | struct elfNN_ia64_dyn_reloc_entry *rent; | |
ef5aade5 | 2743 | bfd_boolean dynamic_symbol, shared, resolved_zero; |
800eeca4 | 2744 | |
bbe66d08 | 2745 | ia64_info = elfNN_ia64_hash_table (x->info); |
986a241f RH |
2746 | |
2747 | /* Note that this can't be used in relation to FPTR relocs below. */ | |
2748 | dynamic_symbol = elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info, 0); | |
2749 | ||
800eeca4 | 2750 | shared = x->info->shared; |
ef5aade5 L |
2751 | resolved_zero = (dyn_i->h |
2752 | && ELF_ST_VISIBILITY (dyn_i->h->other) | |
2753 | && dyn_i->h->root.type == bfd_link_hash_undefweak); | |
800eeca4 JW |
2754 | |
2755 | /* Take care of the normal data relocations. */ | |
2756 | ||
2757 | for (rent = dyn_i->reloc_entries; rent; rent = rent->next) | |
2758 | { | |
18b27f17 RH |
2759 | int count = rent->count; |
2760 | ||
800eeca4 JW |
2761 | switch (rent->type) |
2762 | { | |
5a260b66 | 2763 | case R_IA64_FPTR32LSB: |
800eeca4 | 2764 | case R_IA64_FPTR64LSB: |
9203ba99 JJ |
2765 | /* Allocate one iff !want_fptr and not PIE, which by this point |
2766 | will be true only if we're actually allocating one statically | |
2767 | in the main executable. Position independent executables | |
2768 | need a relative reloc. */ | |
2769 | if (dyn_i->want_fptr && !x->info->pie) | |
800eeca4 JW |
2770 | continue; |
2771 | break; | |
5a260b66 | 2772 | case R_IA64_PCREL32LSB: |
800eeca4 JW |
2773 | case R_IA64_PCREL64LSB: |
2774 | if (!dynamic_symbol) | |
2775 | continue; | |
2776 | break; | |
5a260b66 | 2777 | case R_IA64_DIR32LSB: |
800eeca4 JW |
2778 | case R_IA64_DIR64LSB: |
2779 | if (!dynamic_symbol && !shared) | |
2780 | continue; | |
2781 | break; | |
18b27f17 RH |
2782 | case R_IA64_IPLTLSB: |
2783 | if (!dynamic_symbol && !shared) | |
2784 | continue; | |
2785 | /* Use two REL relocations for IPLT relocations | |
2786 | against local symbols. */ | |
2787 | if (!dynamic_symbol) | |
2788 | count *= 2; | |
2789 | break; | |
5a260b66 | 2790 | case R_IA64_DTPREL32LSB: |
13ae64f3 JJ |
2791 | case R_IA64_TPREL64LSB: |
2792 | case R_IA64_DTPREL64LSB: | |
2793 | case R_IA64_DTPMOD64LSB: | |
2794 | break; | |
18b27f17 RH |
2795 | default: |
2796 | abort (); | |
800eeca4 | 2797 | } |
ac33696c L |
2798 | if (rent->reltext) |
2799 | ia64_info->reltext = 1; | |
eea6121a | 2800 | rent->srel->size += sizeof (ElfNN_External_Rela) * count; |
800eeca4 JW |
2801 | } |
2802 | ||
2803 | /* Take care of the GOT and PLT relocations. */ | |
2804 | ||
ef5aade5 L |
2805 | if ((!resolved_zero |
2806 | && (dynamic_symbol || shared) | |
2807 | && (dyn_i->want_got || dyn_i->want_gotx)) | |
2808 | || (dyn_i->want_ltoff_fptr | |
2809 | && dyn_i->h | |
2810 | && dyn_i->h->dynindx != -1)) | |
9203ba99 JJ |
2811 | { |
2812 | if (!dyn_i->want_ltoff_fptr | |
2813 | || !x->info->pie | |
2814 | || dyn_i->h == NULL | |
2815 | || dyn_i->h->root.type != bfd_link_hash_undefweak) | |
eea6121a | 2816 | ia64_info->rel_got_sec->size += sizeof (ElfNN_External_Rela); |
9203ba99 | 2817 | } |
13ae64f3 | 2818 | if ((dynamic_symbol || shared) && dyn_i->want_tprel) |
eea6121a | 2819 | ia64_info->rel_got_sec->size += sizeof (ElfNN_External_Rela); |
b3dfd7fe | 2820 | if (dynamic_symbol && dyn_i->want_dtpmod) |
eea6121a | 2821 | ia64_info->rel_got_sec->size += sizeof (ElfNN_External_Rela); |
13ae64f3 | 2822 | if (dynamic_symbol && dyn_i->want_dtprel) |
eea6121a | 2823 | ia64_info->rel_got_sec->size += sizeof (ElfNN_External_Rela); |
9203ba99 JJ |
2824 | if (ia64_info->rel_fptr_sec && dyn_i->want_fptr) |
2825 | { | |
2826 | if (dyn_i->h == NULL || dyn_i->h->root.type != bfd_link_hash_undefweak) | |
eea6121a | 2827 | ia64_info->rel_fptr_sec->size += sizeof (ElfNN_External_Rela); |
9203ba99 | 2828 | } |
800eeca4 | 2829 | |
ef5aade5 | 2830 | if (!resolved_zero && dyn_i->want_pltoff) |
800eeca4 JW |
2831 | { |
2832 | bfd_size_type t = 0; | |
2833 | ||
2834 | /* Dynamic symbols get one IPLT relocation. Local symbols in | |
2835 | shared libraries get two REL relocations. Local symbols in | |
2836 | main applications get nothing. */ | |
2837 | if (dynamic_symbol) | |
bbe66d08 | 2838 | t = sizeof (ElfNN_External_Rela); |
800eeca4 | 2839 | else if (shared) |
bbe66d08 | 2840 | t = 2 * sizeof (ElfNN_External_Rela); |
800eeca4 | 2841 | |
eea6121a | 2842 | ia64_info->rel_pltoff_sec->size += t; |
800eeca4 JW |
2843 | } |
2844 | ||
b34976b6 | 2845 | return TRUE; |
800eeca4 JW |
2846 | } |
2847 | ||
b34976b6 | 2848 | static bfd_boolean |
bbe66d08 | 2849 | elfNN_ia64_adjust_dynamic_symbol (info, h) |
64bf6ae6 | 2850 | struct bfd_link_info *info ATTRIBUTE_UNUSED; |
800eeca4 JW |
2851 | struct elf_link_hash_entry *h; |
2852 | { | |
2853 | /* ??? Undefined symbols with PLT entries should be re-defined | |
2854 | to be the PLT entry. */ | |
2855 | ||
2856 | /* If this is a weak symbol, and there is a real definition, the | |
2857 | processor independent code will have arranged for us to see the | |
2858 | real definition first, and we can just use the same value. */ | |
f6e332e6 | 2859 | if (h->u.weakdef != NULL) |
800eeca4 | 2860 | { |
f6e332e6 AM |
2861 | BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined |
2862 | || h->u.weakdef->root.type == bfd_link_hash_defweak); | |
2863 | h->root.u.def.section = h->u.weakdef->root.u.def.section; | |
2864 | h->root.u.def.value = h->u.weakdef->root.u.def.value; | |
b34976b6 | 2865 | return TRUE; |
800eeca4 JW |
2866 | } |
2867 | ||
2868 | /* If this is a reference to a symbol defined by a dynamic object which | |
2869 | is not a function, we might allocate the symbol in our .dynbss section | |
2870 | and allocate a COPY dynamic relocation. | |
2871 | ||
2872 | But IA-64 code is canonically PIC, so as a rule we can avoid this sort | |
2873 | of hackery. */ | |
2874 | ||
b34976b6 | 2875 | return TRUE; |
800eeca4 JW |
2876 | } |
2877 | ||
b34976b6 | 2878 | static bfd_boolean |
bbe66d08 | 2879 | elfNN_ia64_size_dynamic_sections (output_bfd, info) |
bb32e54f | 2880 | bfd *output_bfd ATTRIBUTE_UNUSED; |
800eeca4 JW |
2881 | struct bfd_link_info *info; |
2882 | { | |
bbe66d08 JW |
2883 | struct elfNN_ia64_allocate_data data; |
2884 | struct elfNN_ia64_link_hash_table *ia64_info; | |
800eeca4 JW |
2885 | asection *sec; |
2886 | bfd *dynobj; | |
b34976b6 | 2887 | bfd_boolean relplt = FALSE; |
800eeca4 JW |
2888 | |
2889 | dynobj = elf_hash_table(info)->dynobj; | |
bbe66d08 | 2890 | ia64_info = elfNN_ia64_hash_table (info); |
b3dfd7fe | 2891 | ia64_info->self_dtpmod_offset = (bfd_vma) -1; |
800eeca4 JW |
2892 | BFD_ASSERT(dynobj != NULL); |
2893 | data.info = info; | |
2894 | ||
2895 | /* Set the contents of the .interp section to the interpreter. */ | |
2896 | if (ia64_info->root.dynamic_sections_created | |
36af4a4e | 2897 | && info->executable) |
800eeca4 JW |
2898 | { |
2899 | sec = bfd_get_section_by_name (dynobj, ".interp"); | |
2900 | BFD_ASSERT (sec != NULL); | |
02e6ad56 | 2901 | sec->contents = (bfd_byte *) ELF_DYNAMIC_INTERPRETER; |
eea6121a | 2902 | sec->size = strlen (ELF_DYNAMIC_INTERPRETER) + 1; |
800eeca4 JW |
2903 | } |
2904 | ||
800eeca4 JW |
2905 | /* Allocate the GOT entries. */ |
2906 | ||
2907 | if (ia64_info->got_sec) | |
2908 | { | |
2909 | data.ofs = 0; | |
bbe66d08 JW |
2910 | elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_global_data_got, &data); |
2911 | elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_global_fptr_got, &data); | |
2912 | elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_local_got, &data); | |
eea6121a | 2913 | ia64_info->got_sec->size = data.ofs; |
800eeca4 JW |
2914 | } |
2915 | ||
2916 | /* Allocate the FPTR entries. */ | |
2917 | ||
2918 | if (ia64_info->fptr_sec) | |
2919 | { | |
2920 | data.ofs = 0; | |
bbe66d08 | 2921 | elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_fptr, &data); |
eea6121a | 2922 | ia64_info->fptr_sec->size = data.ofs; |
800eeca4 JW |
2923 | } |
2924 | ||
2925 | /* Now that we've seen all of the input files, we can decide which | |
2926 | symbols need plt entries. Allocate the minimal PLT entries first. | |
b34976b6 | 2927 | We do this even though dynamic_sections_created may be FALSE, because |
800eeca4 JW |
2928 | this has the side-effect of clearing want_plt and want_plt2. */ |
2929 | ||
2930 | data.ofs = 0; | |
bbe66d08 | 2931 | elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_plt_entries, &data); |
800eeca4 JW |
2932 | |
2933 | ia64_info->minplt_entries = 0; | |
2934 | if (data.ofs) | |
2935 | { | |
2936 | ia64_info->minplt_entries | |
2937 | = (data.ofs - PLT_HEADER_SIZE) / PLT_MIN_ENTRY_SIZE; | |
2938 | } | |
2939 | ||
2940 | /* Align the pointer for the plt2 entries. */ | |
dc810e39 | 2941 | data.ofs = (data.ofs + 31) & (bfd_vma) -32; |
800eeca4 | 2942 | |
bbe66d08 | 2943 | elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_plt2_entries, &data); |
a5a58ba4 | 2944 | if (data.ofs != 0 || ia64_info->root.dynamic_sections_created) |
800eeca4 | 2945 | { |
a5a58ba4 L |
2946 | /* FIXME: we always reserve the memory for dynamic linker even if |
2947 | there are no PLT entries since dynamic linker may assume the | |
2948 | reserved memory always exists. */ | |
2949 | ||
800eeca4 JW |
2950 | BFD_ASSERT (ia64_info->root.dynamic_sections_created); |
2951 | ||
eea6121a | 2952 | ia64_info->plt_sec->size = data.ofs; |
800eeca4 JW |
2953 | |
2954 | /* If we've got a .plt, we need some extra memory for the dynamic | |
2955 | linker. We stuff these in .got.plt. */ | |
2956 | sec = bfd_get_section_by_name (dynobj, ".got.plt"); | |
eea6121a | 2957 | sec->size = 8 * PLT_RESERVED_WORDS; |
800eeca4 JW |
2958 | } |
2959 | ||
2960 | /* Allocate the PLTOFF entries. */ | |
2961 | ||
2962 | if (ia64_info->pltoff_sec) | |
2963 | { | |
2964 | data.ofs = 0; | |
bbe66d08 | 2965 | elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_pltoff_entries, &data); |
eea6121a | 2966 | ia64_info->pltoff_sec->size = data.ofs; |
800eeca4 JW |
2967 | } |
2968 | ||
2969 | if (ia64_info->root.dynamic_sections_created) | |
2970 | { | |
2971 | /* Allocate space for the dynamic relocations that turned out to be | |
2972 | required. */ | |
2973 | ||
b3dfd7fe | 2974 | if (info->shared && ia64_info->self_dtpmod_offset != (bfd_vma) -1) |
eea6121a | 2975 | ia64_info->rel_got_sec->size += sizeof (ElfNN_External_Rela); |
bbe66d08 | 2976 | elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_dynrel_entries, &data); |
800eeca4 JW |
2977 | } |
2978 | ||
2979 | /* We have now determined the sizes of the various dynamic sections. | |
2980 | Allocate memory for them. */ | |
2981 | for (sec = dynobj->sections; sec != NULL; sec = sec->next) | |
2982 | { | |
b34976b6 | 2983 | bfd_boolean strip; |
800eeca4 JW |
2984 | |
2985 | if (!(sec->flags & SEC_LINKER_CREATED)) | |
2986 | continue; | |
2987 | ||
2988 | /* If we don't need this section, strip it from the output file. | |
2989 | There were several sections primarily related to dynamic | |
2990 | linking that must be create before the linker maps input | |
2991 | sections to output sections. The linker does that before | |
2992 | bfd_elf_size_dynamic_sections is called, and it is that | |
2993 | function which decides whether anything needs to go into | |
2994 | these sections. */ | |
2995 | ||
eea6121a | 2996 | strip = (sec->size == 0); |
800eeca4 JW |
2997 | |
2998 | if (sec == ia64_info->got_sec) | |
b34976b6 | 2999 | strip = FALSE; |
800eeca4 JW |
3000 | else if (sec == ia64_info->rel_got_sec) |
3001 | { | |
3002 | if (strip) | |
3003 | ia64_info->rel_got_sec = NULL; | |
3004 | else | |
3005 | /* We use the reloc_count field as a counter if we need to | |
3006 | copy relocs into the output file. */ | |
3007 | sec->reloc_count = 0; | |
3008 | } | |
3009 | else if (sec == ia64_info->fptr_sec) | |
3010 | { | |
3011 | if (strip) | |
3012 | ia64_info->fptr_sec = NULL; | |
3013 | } | |
55936540 JW |
3014 | else if (sec == ia64_info->rel_fptr_sec) |
3015 | { | |
3016 | if (strip) | |
3017 | ia64_info->rel_fptr_sec = NULL; | |
3018 | else | |
3019 | /* We use the reloc_count field as a counter if we need to | |
3020 | copy relocs into the output file. */ | |
3021 | sec->reloc_count = 0; | |
3022 | } | |
800eeca4 JW |
3023 | else if (sec == ia64_info->plt_sec) |
3024 | { | |
3025 | if (strip) | |
3026 | ia64_info->plt_sec = NULL; | |
3027 | } | |
3028 | else if (sec == ia64_info->pltoff_sec) | |
3029 | { | |
3030 | if (strip) | |
3031 | ia64_info->pltoff_sec = NULL; | |
3032 | } | |
3033 | else if (sec == ia64_info->rel_pltoff_sec) | |
3034 | { | |
3035 | if (strip) | |
3036 | ia64_info->rel_pltoff_sec = NULL; | |
3037 | else | |
3038 | { | |
b34976b6 | 3039 | relplt = TRUE; |
800eeca4 JW |
3040 | /* We use the reloc_count field as a counter if we need to |
3041 | copy relocs into the output file. */ | |
3042 | sec->reloc_count = 0; | |
3043 | } | |
3044 | } | |
3045 | else | |
3046 | { | |
3047 | const char *name; | |
3048 | ||
3049 | /* It's OK to base decisions on the section name, because none | |
3050 | of the dynobj section names depend upon the input files. */ | |
3051 | name = bfd_get_section_name (dynobj, sec); | |
3052 | ||
3053 | if (strcmp (name, ".got.plt") == 0) | |
b34976b6 | 3054 | strip = FALSE; |
800eeca4 JW |
3055 | else if (strncmp (name, ".rel", 4) == 0) |
3056 | { | |
3057 | if (!strip) | |
3058 | { | |
800eeca4 JW |
3059 | /* We use the reloc_count field as a counter if we need to |
3060 | copy relocs into the output file. */ | |
3061 | sec->reloc_count = 0; | |
3062 | } | |
3063 | } | |
3064 | else | |
3065 | continue; | |
3066 | } | |
3067 | ||
3068 | if (strip) | |
8423293d | 3069 | sec->flags |= SEC_EXCLUDE; |
800eeca4 JW |
3070 | else |
3071 | { | |
3072 | /* Allocate memory for the section contents. */ | |
eea6121a AM |
3073 | sec->contents = (bfd_byte *) bfd_zalloc (dynobj, sec->size); |
3074 | if (sec->contents == NULL && sec->size != 0) | |
b34976b6 | 3075 | return FALSE; |
800eeca4 JW |
3076 | } |
3077 | } | |
3078 | ||
3079 | if (elf_hash_table (info)->dynamic_sections_created) | |
3080 | { | |
3081 | /* Add some entries to the .dynamic section. We fill in the values | |
3082 | later (in finish_dynamic_sections) but we must add the entries now | |
3083 | so that we get the correct size for the .dynamic section. */ | |
3084 | ||
36af4a4e | 3085 | if (info->executable) |
800eeca4 JW |
3086 | { |
3087 | /* The DT_DEBUG entry is filled in by the dynamic linker and used | |
3088 | by the debugger. */ | |
dc810e39 | 3089 | #define add_dynamic_entry(TAG, VAL) \ |
5a580b3a | 3090 | _bfd_elf_add_dynamic_entry (info, TAG, VAL) |
dc810e39 AM |
3091 | |
3092 | if (!add_dynamic_entry (DT_DEBUG, 0)) | |
b34976b6 | 3093 | return FALSE; |
800eeca4 JW |
3094 | } |
3095 | ||
dc810e39 | 3096 | if (!add_dynamic_entry (DT_IA_64_PLT_RESERVE, 0)) |
b34976b6 | 3097 | return FALSE; |
dc810e39 | 3098 | if (!add_dynamic_entry (DT_PLTGOT, 0)) |
b34976b6 | 3099 | return FALSE; |
800eeca4 JW |
3100 | |
3101 | if (relplt) | |
3102 | { | |
dc810e39 AM |
3103 | if (!add_dynamic_entry (DT_PLTRELSZ, 0) |
3104 | || !add_dynamic_entry (DT_PLTREL, DT_RELA) | |
3105 | || !add_dynamic_entry (DT_JMPREL, 0)) | |
b34976b6 | 3106 | return FALSE; |
800eeca4 JW |
3107 | } |
3108 | ||
dc810e39 AM |
3109 | if (!add_dynamic_entry (DT_RELA, 0) |
3110 | || !add_dynamic_entry (DT_RELASZ, 0) | |
3111 | || !add_dynamic_entry (DT_RELAENT, sizeof (ElfNN_External_Rela))) | |
b34976b6 | 3112 | return FALSE; |
800eeca4 | 3113 | |
db6751f2 | 3114 | if (ia64_info->reltext) |
800eeca4 | 3115 | { |
dc810e39 | 3116 | if (!add_dynamic_entry (DT_TEXTREL, 0)) |
b34976b6 | 3117 | return FALSE; |
d6cf2879 | 3118 | info->flags |= DF_TEXTREL; |
800eeca4 JW |
3119 | } |
3120 | } | |
3121 | ||
3122 | /* ??? Perhaps force __gp local. */ | |
3123 | ||
b34976b6 | 3124 | return TRUE; |
800eeca4 JW |
3125 | } |
3126 | ||
3127 | static bfd_reloc_status_type | |
bbb268c3 | 3128 | elfNN_ia64_install_value (hit_addr, v, r_type) |
800eeca4 | 3129 | bfd_byte *hit_addr; |
1e738b87 | 3130 | bfd_vma v; |
800eeca4 JW |
3131 | unsigned int r_type; |
3132 | { | |
3133 | const struct ia64_operand *op; | |
3134 | int bigendian = 0, shift = 0; | |
b4677f03 AS |
3135 | bfd_vma t0, t1, dword; |
3136 | ia64_insn insn; | |
800eeca4 JW |
3137 | enum ia64_opnd opnd; |
3138 | const char *err; | |
3139 | size_t size = 8; | |
1e738b87 NC |
3140 | #ifdef BFD_HOST_U_64_BIT |
3141 | BFD_HOST_U_64_BIT val = (BFD_HOST_U_64_BIT) v; | |
3142 | #else | |
3143 | bfd_vma val = v; | |
3144 | #endif | |
800eeca4 JW |
3145 | |
3146 | opnd = IA64_OPND_NIL; | |
3147 | switch (r_type) | |
3148 | { | |
3149 | case R_IA64_NONE: | |
3150 | case R_IA64_LDXMOV: | |
3151 | return bfd_reloc_ok; | |
3152 | ||
3e932841 | 3153 | /* Instruction relocations. */ |
800eeca4 | 3154 | |
13ae64f3 JJ |
3155 | case R_IA64_IMM14: |
3156 | case R_IA64_TPREL14: | |
3157 | case R_IA64_DTPREL14: | |
3158 | opnd = IA64_OPND_IMM14; | |
3159 | break; | |
748abff6 | 3160 | |
800eeca4 JW |
3161 | case R_IA64_PCREL21F: opnd = IA64_OPND_TGT25; break; |
3162 | case R_IA64_PCREL21M: opnd = IA64_OPND_TGT25b; break; | |
748abff6 RH |
3163 | case R_IA64_PCREL60B: opnd = IA64_OPND_TGT64; break; |
3164 | case R_IA64_PCREL21B: | |
3165 | case R_IA64_PCREL21BI: | |
3166 | opnd = IA64_OPND_TGT25c; | |
3167 | break; | |
800eeca4 JW |
3168 | |
3169 | case R_IA64_IMM22: | |
3170 | case R_IA64_GPREL22: | |
3171 | case R_IA64_LTOFF22: | |
3172 | case R_IA64_LTOFF22X: | |
3173 | case R_IA64_PLTOFF22: | |
748abff6 | 3174 | case R_IA64_PCREL22: |
800eeca4 | 3175 | case R_IA64_LTOFF_FPTR22: |
13ae64f3 JJ |
3176 | case R_IA64_TPREL22: |
3177 | case R_IA64_DTPREL22: | |
3178 | case R_IA64_LTOFF_TPREL22: | |
3179 | case R_IA64_LTOFF_DTPMOD22: | |
3180 | case R_IA64_LTOFF_DTPREL22: | |
800eeca4 JW |
3181 | opnd = IA64_OPND_IMM22; |
3182 | break; | |
3183 | ||
3184 | case R_IA64_IMM64: | |
3185 | case R_IA64_GPREL64I: | |
3186 | case R_IA64_LTOFF64I: | |
3187 | case R_IA64_PLTOFF64I: | |
748abff6 | 3188 | case R_IA64_PCREL64I: |
800eeca4 JW |
3189 | case R_IA64_FPTR64I: |
3190 | case R_IA64_LTOFF_FPTR64I: | |
13ae64f3 JJ |
3191 | case R_IA64_TPREL64I: |
3192 | case R_IA64_DTPREL64I: | |
800eeca4 JW |
3193 | opnd = IA64_OPND_IMMU64; |
3194 | break; | |
3195 | ||
3196 | /* Data relocations. */ | |
3197 | ||
3198 | case R_IA64_DIR32MSB: | |
3199 | case R_IA64_GPREL32MSB: | |
3200 | case R_IA64_FPTR32MSB: | |
3201 | case R_IA64_PCREL32MSB: | |
a4bd8390 | 3202 | case R_IA64_LTOFF_FPTR32MSB: |
800eeca4 JW |
3203 | case R_IA64_SEGREL32MSB: |
3204 | case R_IA64_SECREL32MSB: | |
3205 | case R_IA64_LTV32MSB: | |
13ae64f3 | 3206 | case R_IA64_DTPREL32MSB: |
800eeca4 JW |
3207 | size = 4; bigendian = 1; |
3208 | break; | |
3209 | ||
3210 | case R_IA64_DIR32LSB: | |
3211 | case R_IA64_GPREL32LSB: | |
3212 | case R_IA64_FPTR32LSB: | |
3213 | case R_IA64_PCREL32LSB: | |
a4bd8390 | 3214 | case R_IA64_LTOFF_FPTR32LSB: |
800eeca4 JW |
3215 | case R_IA64_SEGREL32LSB: |
3216 | case R_IA64_SECREL32LSB: | |
3217 | case R_IA64_LTV32LSB: | |
13ae64f3 | 3218 | case R_IA64_DTPREL32LSB: |
800eeca4 JW |
3219 | size = 4; bigendian = 0; |
3220 | break; | |
3221 | ||
3222 | case R_IA64_DIR64MSB: | |
3223 | case R_IA64_GPREL64MSB: | |
3224 | case R_IA64_PLTOFF64MSB: | |
3225 | case R_IA64_FPTR64MSB: | |
3226 | case R_IA64_PCREL64MSB: | |
3227 | case R_IA64_LTOFF_FPTR64MSB: | |
3228 | case R_IA64_SEGREL64MSB: | |
3229 | case R_IA64_SECREL64MSB: | |
3230 | case R_IA64_LTV64MSB: | |
13ae64f3 JJ |
3231 | case R_IA64_TPREL64MSB: |
3232 | case R_IA64_DTPMOD64MSB: | |
3233 | case R_IA64_DTPREL64MSB: | |
800eeca4 JW |
3234 | size = 8; bigendian = 1; |
3235 | break; | |
3236 | ||
3237 | case R_IA64_DIR64LSB: | |
3238 | case R_IA64_GPREL64LSB: | |
3239 | case R_IA64_PLTOFF64LSB: | |
3240 | case R_IA64_FPTR64LSB: | |
3241 | case R_IA64_PCREL64LSB: | |
3242 | case R_IA64_LTOFF_FPTR64LSB: | |
3243 | case R_IA64_SEGREL64LSB: | |
3244 | case R_IA64_SECREL64LSB: | |
3245 | case R_IA64_LTV64LSB: | |
13ae64f3 JJ |
3246 | case R_IA64_TPREL64LSB: |
3247 | case R_IA64_DTPMOD64LSB: | |
3248 | case R_IA64_DTPREL64LSB: | |
800eeca4 JW |
3249 | size = 8; bigendian = 0; |
3250 | break; | |
3251 | ||
3252 | /* Unsupported / Dynamic relocations. */ | |
800eeca4 JW |
3253 | default: |
3254 | return bfd_reloc_notsupported; | |
3255 | } | |
3256 | ||
3257 | switch (opnd) | |
3258 | { | |
3259 | case IA64_OPND_IMMU64: | |
3260 | hit_addr -= (long) hit_addr & 0x3; | |
bbb268c3 JW |
3261 | t0 = bfd_getl64 (hit_addr); |
3262 | t1 = bfd_getl64 (hit_addr + 8); | |
800eeca4 JW |
3263 | |
3264 | /* tmpl/s: bits 0.. 5 in t0 | |
3265 | slot 0: bits 5..45 in t0 | |
3266 | slot 1: bits 46..63 in t0, bits 0..22 in t1 | |
3267 | slot 2: bits 23..63 in t1 */ | |
3268 | ||
3269 | /* First, clear the bits that form the 64 bit constant. */ | |
3270 | t0 &= ~(0x3ffffLL << 46); | |
3271 | t1 &= ~(0x7fffffLL | |
3272 | | (( (0x07fLL << 13) | (0x1ffLL << 27) | |
3273 | | (0x01fLL << 22) | (0x001LL << 21) | |
3274 | | (0x001LL << 36)) << 23)); | |
3275 | ||
3276 | t0 |= ((val >> 22) & 0x03ffffLL) << 46; /* 18 lsbs of imm41 */ | |
3277 | t1 |= ((val >> 40) & 0x7fffffLL) << 0; /* 23 msbs of imm41 */ | |
3278 | t1 |= ( (((val >> 0) & 0x07f) << 13) /* imm7b */ | |
3279 | | (((val >> 7) & 0x1ff) << 27) /* imm9d */ | |
3280 | | (((val >> 16) & 0x01f) << 22) /* imm5c */ | |
3281 | | (((val >> 21) & 0x001) << 21) /* ic */ | |
3282 | | (((val >> 63) & 0x001) << 36)) << 23; /* i */ | |
3283 | ||
bbb268c3 JW |
3284 | bfd_putl64 (t0, hit_addr); |
3285 | bfd_putl64 (t1, hit_addr + 8); | |
800eeca4 JW |
3286 | break; |
3287 | ||
748abff6 RH |
3288 | case IA64_OPND_TGT64: |
3289 | hit_addr -= (long) hit_addr & 0x3; | |
bbb268c3 JW |
3290 | t0 = bfd_getl64 (hit_addr); |
3291 | t1 = bfd_getl64 (hit_addr + 8); | |
748abff6 RH |
3292 | |
3293 | /* tmpl/s: bits 0.. 5 in t0 | |
3294 | slot 0: bits 5..45 in t0 | |
3295 | slot 1: bits 46..63 in t0, bits 0..22 in t1 | |
3296 | slot 2: bits 23..63 in t1 */ | |
3297 | ||
3298 | /* First, clear the bits that form the 64 bit constant. */ | |
3299 | t0 &= ~(0x3ffffLL << 46); | |
3300 | t1 &= ~(0x7fffffLL | |
3301 | | ((1LL << 36 | 0xfffffLL << 13) << 23)); | |
3302 | ||
3303 | val >>= 4; | |
3304 | t0 |= ((val >> 20) & 0xffffLL) << 2 << 46; /* 16 lsbs of imm39 */ | |
3305 | t1 |= ((val >> 36) & 0x7fffffLL) << 0; /* 23 msbs of imm39 */ | |
3306 | t1 |= ((((val >> 0) & 0xfffffLL) << 13) /* imm20b */ | |
3307 | | (((val >> 59) & 0x1LL) << 36)) << 23; /* i */ | |
3308 | ||
bbb268c3 JW |
3309 | bfd_putl64 (t0, hit_addr); |
3310 | bfd_putl64 (t1, hit_addr + 8); | |
748abff6 RH |
3311 | break; |
3312 | ||
800eeca4 JW |
3313 | default: |
3314 | switch ((long) hit_addr & 0x3) | |
3315 | { | |
3316 | case 0: shift = 5; break; | |
3317 | case 1: shift = 14; hit_addr += 3; break; | |
3318 | case 2: shift = 23; hit_addr += 6; break; | |
3e932841 | 3319 | case 3: return bfd_reloc_notsupported; /* shouldn't happen... */ |
800eeca4 | 3320 | } |
bbb268c3 | 3321 | dword = bfd_getl64 (hit_addr); |
800eeca4 JW |
3322 | insn = (dword >> shift) & 0x1ffffffffffLL; |
3323 | ||
3324 | op = elf64_ia64_operands + opnd; | |
b4677f03 | 3325 | err = (*op->insert) (op, val, &insn); |
800eeca4 JW |
3326 | if (err) |
3327 | return bfd_reloc_overflow; | |
3328 | ||
3329 | dword &= ~(0x1ffffffffffLL << shift); | |
3330 | dword |= (insn << shift); | |
bbb268c3 | 3331 | bfd_putl64 (dword, hit_addr); |
800eeca4 JW |
3332 | break; |
3333 | ||
3334 | case IA64_OPND_NIL: | |
3335 | /* A data relocation. */ | |
3336 | if (bigendian) | |
3337 | if (size == 4) | |
3338 | bfd_putb32 (val, hit_addr); | |
3339 | else | |
3340 | bfd_putb64 (val, hit_addr); | |
3341 | else | |
3342 | if (size == 4) | |
3343 | bfd_putl32 (val, hit_addr); | |
3344 | else | |
3345 | bfd_putl64 (val, hit_addr); | |
3346 | break; | |
3347 | } | |
3348 | ||
3349 | return bfd_reloc_ok; | |
3350 | } | |
3351 | ||
3352 | static void | |
bbe66d08 | 3353 | elfNN_ia64_install_dyn_reloc (abfd, info, sec, srel, offset, type, |
800eeca4 JW |
3354 | dynindx, addend) |
3355 | bfd *abfd; | |
3356 | struct bfd_link_info *info; | |
3357 | asection *sec; | |
3358 | asection *srel; | |
3359 | bfd_vma offset; | |
3360 | unsigned int type; | |
3361 | long dynindx; | |
3362 | bfd_vma addend; | |
3363 | { | |
3364 | Elf_Internal_Rela outrel; | |
947216bf | 3365 | bfd_byte *loc; |
800eeca4 | 3366 | |
800eeca4 | 3367 | BFD_ASSERT (dynindx != -1); |
bbe66d08 | 3368 | outrel.r_info = ELFNN_R_INFO (dynindx, type); |
800eeca4 | 3369 | outrel.r_addend = addend; |
c629eae0 | 3370 | outrel.r_offset = _bfd_elf_section_offset (abfd, info, sec, offset); |
99eb2ac8 | 3371 | if (outrel.r_offset >= (bfd_vma) -2) |
800eeca4 | 3372 | { |
c629eae0 JJ |
3373 | /* Run for the hills. We shouldn't be outputting a relocation |
3374 | for this. So do what everyone else does and output a no-op. */ | |
3375 | outrel.r_info = ELFNN_R_INFO (0, R_IA64_NONE); | |
3376 | outrel.r_addend = 0; | |
3377 | outrel.r_offset = 0; | |
800eeca4 | 3378 | } |
99eb2ac8 AM |
3379 | else |
3380 | outrel.r_offset += sec->output_section->vma + sec->output_offset; | |
800eeca4 | 3381 | |
947216bf AM |
3382 | loc = srel->contents; |
3383 | loc += srel->reloc_count++ * sizeof (ElfNN_External_Rela); | |
3384 | bfd_elfNN_swap_reloca_out (abfd, &outrel, loc); | |
eea6121a | 3385 | BFD_ASSERT (sizeof (ElfNN_External_Rela) * srel->reloc_count <= srel->size); |
800eeca4 JW |
3386 | } |
3387 | ||
3388 | /* Store an entry for target address TARGET_ADDR in the linkage table | |
3389 | and return the gp-relative address of the linkage table entry. */ | |
3390 | ||
3391 | static bfd_vma | |
3392 | set_got_entry (abfd, info, dyn_i, dynindx, addend, value, dyn_r_type) | |
3393 | bfd *abfd; | |
3394 | struct bfd_link_info *info; | |
bbe66d08 | 3395 | struct elfNN_ia64_dyn_sym_info *dyn_i; |
800eeca4 JW |
3396 | long dynindx; |
3397 | bfd_vma addend; | |
3398 | bfd_vma value; | |
3399 | unsigned int dyn_r_type; | |
3400 | { | |
bbe66d08 | 3401 | struct elfNN_ia64_link_hash_table *ia64_info; |
800eeca4 | 3402 | asection *got_sec; |
b34976b6 | 3403 | bfd_boolean done; |
13ae64f3 | 3404 | bfd_vma got_offset; |
800eeca4 | 3405 | |
bbe66d08 | 3406 | ia64_info = elfNN_ia64_hash_table (info); |
800eeca4 JW |
3407 | got_sec = ia64_info->got_sec; |
3408 | ||
13ae64f3 | 3409 | switch (dyn_r_type) |
800eeca4 | 3410 | { |
13ae64f3 JJ |
3411 | case R_IA64_TPREL64LSB: |
3412 | done = dyn_i->tprel_done; | |
b34976b6 | 3413 | dyn_i->tprel_done = TRUE; |
13ae64f3 JJ |
3414 | got_offset = dyn_i->tprel_offset; |
3415 | break; | |
3416 | case R_IA64_DTPMOD64LSB: | |
b3dfd7fe JJ |
3417 | if (dyn_i->dtpmod_offset != ia64_info->self_dtpmod_offset) |
3418 | { | |
3419 | done = dyn_i->dtpmod_done; | |
3420 | dyn_i->dtpmod_done = TRUE; | |
3421 | } | |
3422 | else | |
3423 | { | |
3424 | done = ia64_info->self_dtpmod_done; | |
3425 | ia64_info->self_dtpmod_done = TRUE; | |
3426 | dynindx = 0; | |
3427 | } | |
13ae64f3 JJ |
3428 | got_offset = dyn_i->dtpmod_offset; |
3429 | break; | |
5a260b66 | 3430 | case R_IA64_DTPREL32LSB: |
13ae64f3 JJ |
3431 | case R_IA64_DTPREL64LSB: |
3432 | done = dyn_i->dtprel_done; | |
b34976b6 | 3433 | dyn_i->dtprel_done = TRUE; |
13ae64f3 JJ |
3434 | got_offset = dyn_i->dtprel_offset; |
3435 | break; | |
3436 | default: | |
3437 | done = dyn_i->got_done; | |
b34976b6 | 3438 | dyn_i->got_done = TRUE; |
13ae64f3 JJ |
3439 | got_offset = dyn_i->got_offset; |
3440 | break; | |
3441 | } | |
800eeca4 | 3442 | |
13ae64f3 JJ |
3443 | BFD_ASSERT ((got_offset & 7) == 0); |
3444 | ||
3445 | if (! done) | |
3446 | { | |
800eeca4 | 3447 | /* Store the target address in the linkage table entry. */ |
13ae64f3 | 3448 | bfd_put_64 (abfd, value, got_sec->contents + got_offset); |
800eeca4 JW |
3449 | |
3450 | /* Install a dynamic relocation if needed. */ | |
9203ba99 JJ |
3451 | if (((info->shared |
3452 | && (!dyn_i->h | |
3453 | || ELF_ST_VISIBILITY (dyn_i->h->other) == STV_DEFAULT | |
3454 | || dyn_i->h->root.type != bfd_link_hash_undefweak) | |
5a260b66 | 3455 | && dyn_r_type != R_IA64_DTPREL32LSB |
9203ba99 | 3456 | && dyn_r_type != R_IA64_DTPREL64LSB) |
986a241f | 3457 | || elfNN_ia64_dynamic_symbol_p (dyn_i->h, info, dyn_r_type) |
5a260b66 L |
3458 | || (dynindx != -1 |
3459 | && (dyn_r_type == R_IA64_FPTR32LSB | |
3460 | || dyn_r_type == R_IA64_FPTR64LSB))) | |
9203ba99 JJ |
3461 | && (!dyn_i->want_ltoff_fptr |
3462 | || !info->pie | |
3463 | || !dyn_i->h | |
3464 | || dyn_i->h->root.type != bfd_link_hash_undefweak)) | |
800eeca4 | 3465 | { |
13ae64f3 JJ |
3466 | if (dynindx == -1 |
3467 | && dyn_r_type != R_IA64_TPREL64LSB | |
3468 | && dyn_r_type != R_IA64_DTPMOD64LSB | |
5a260b66 | 3469 | && dyn_r_type != R_IA64_DTPREL32LSB |
13ae64f3 | 3470 | && dyn_r_type != R_IA64_DTPREL64LSB) |
800eeca4 | 3471 | { |
5a260b66 | 3472 | dyn_r_type = R_IA64_RELNNLSB; |
800eeca4 JW |
3473 | dynindx = 0; |
3474 | addend = value; | |
3475 | } | |
3476 | ||
3477 | if (bfd_big_endian (abfd)) | |
3478 | { | |
3479 | switch (dyn_r_type) | |
3480 | { | |
5a260b66 L |
3481 | case R_IA64_REL32LSB: |
3482 | dyn_r_type = R_IA64_REL32MSB; | |
3483 | break; | |
3484 | case R_IA64_DIR32LSB: | |
3485 | dyn_r_type = R_IA64_DIR32MSB; | |
3486 | break; | |
3487 | case R_IA64_FPTR32LSB: | |
3488 | dyn_r_type = R_IA64_FPTR32MSB; | |
3489 | break; | |
3490 | case R_IA64_DTPREL32LSB: | |
3491 | dyn_r_type = R_IA64_DTPREL32MSB; | |
3492 | break; | |
800eeca4 JW |
3493 | case R_IA64_REL64LSB: |
3494 | dyn_r_type = R_IA64_REL64MSB; | |
3495 | break; | |
3496 | case R_IA64_DIR64LSB: | |
3497 | dyn_r_type = R_IA64_DIR64MSB; | |
3498 | break; | |
3499 | case R_IA64_FPTR64LSB: | |
3500 | dyn_r_type = R_IA64_FPTR64MSB; | |
3501 | break; | |
13ae64f3 JJ |
3502 | case R_IA64_TPREL64LSB: |
3503 | dyn_r_type = R_IA64_TPREL64MSB; | |
3504 | break; | |
3505 | case R_IA64_DTPMOD64LSB: | |
3506 | dyn_r_type = R_IA64_DTPMOD64MSB; | |
3507 | break; | |
3508 | case R_IA64_DTPREL64LSB: | |
3509 | dyn_r_type = R_IA64_DTPREL64MSB; | |
3510 | break; | |
800eeca4 | 3511 | default: |
b34976b6 | 3512 | BFD_ASSERT (FALSE); |
800eeca4 JW |
3513 | break; |
3514 | } | |
3515 | } | |
3516 | ||
bbe66d08 | 3517 | elfNN_ia64_install_dyn_reloc (abfd, NULL, got_sec, |
800eeca4 | 3518 | ia64_info->rel_got_sec, |
13ae64f3 | 3519 | got_offset, dyn_r_type, |
800eeca4 JW |
3520 | dynindx, addend); |
3521 | } | |
3522 | } | |
3523 | ||
3524 | /* Return the address of the linkage table entry. */ | |
3525 | value = (got_sec->output_section->vma | |
3526 | + got_sec->output_offset | |
13ae64f3 | 3527 | + got_offset); |
800eeca4 JW |
3528 | |
3529 | return value; | |
3530 | } | |
3531 | ||
3532 | /* Fill in a function descriptor consisting of the function's code | |
3533 | address and its global pointer. Return the descriptor's address. */ | |
3534 | ||
3535 | static bfd_vma | |
3536 | set_fptr_entry (abfd, info, dyn_i, value) | |
3537 | bfd *abfd; | |
3538 | struct bfd_link_info *info; | |
bbe66d08 | 3539 | struct elfNN_ia64_dyn_sym_info *dyn_i; |
800eeca4 JW |
3540 | bfd_vma value; |
3541 | { | |
bbe66d08 | 3542 | struct elfNN_ia64_link_hash_table *ia64_info; |
800eeca4 JW |
3543 | asection *fptr_sec; |
3544 | ||
bbe66d08 | 3545 | ia64_info = elfNN_ia64_hash_table (info); |
800eeca4 JW |
3546 | fptr_sec = ia64_info->fptr_sec; |
3547 | ||
3548 | if (!dyn_i->fptr_done) | |
3549 | { | |
3550 | dyn_i->fptr_done = 1; | |
3551 | ||
3552 | /* Fill in the function descriptor. */ | |
3553 | bfd_put_64 (abfd, value, fptr_sec->contents + dyn_i->fptr_offset); | |
3554 | bfd_put_64 (abfd, _bfd_get_gp_value (abfd), | |
3555 | fptr_sec->contents + dyn_i->fptr_offset + 8); | |
9203ba99 JJ |
3556 | if (ia64_info->rel_fptr_sec) |
3557 | { | |
3558 | Elf_Internal_Rela outrel; | |
3559 | bfd_byte *loc; | |
3560 | ||
3561 | if (bfd_little_endian (abfd)) | |
3562 | outrel.r_info = ELFNN_R_INFO (0, R_IA64_IPLTLSB); | |
3563 | else | |
3564 | outrel.r_info = ELFNN_R_INFO (0, R_IA64_IPLTMSB); | |
3565 | outrel.r_addend = value; | |
3566 | outrel.r_offset = (fptr_sec->output_section->vma | |
3567 | + fptr_sec->output_offset | |
3568 | + dyn_i->fptr_offset); | |
3569 | loc = ia64_info->rel_fptr_sec->contents; | |
3570 | loc += ia64_info->rel_fptr_sec->reloc_count++ | |
3571 | * sizeof (ElfNN_External_Rela); | |
3572 | bfd_elfNN_swap_reloca_out (abfd, &outrel, loc); | |
3573 | } | |
800eeca4 JW |
3574 | } |
3575 | ||
3576 | /* Return the descriptor's address. */ | |
3577 | value = (fptr_sec->output_section->vma | |
3578 | + fptr_sec->output_offset | |
3579 | + dyn_i->fptr_offset); | |
3580 | ||
3581 | return value; | |
3582 | } | |
3583 | ||
3584 | /* Fill in a PLTOFF entry consisting of the function's code address | |
3585 | and its global pointer. Return the descriptor's address. */ | |
3586 | ||
3587 | static bfd_vma | |
3588 | set_pltoff_entry (abfd, info, dyn_i, value, is_plt) | |
3589 | bfd *abfd; | |
3590 | struct bfd_link_info *info; | |
bbe66d08 | 3591 | struct elfNN_ia64_dyn_sym_info *dyn_i; |
800eeca4 | 3592 | bfd_vma value; |
b34976b6 | 3593 | bfd_boolean is_plt; |
800eeca4 | 3594 | { |
bbe66d08 | 3595 | struct elfNN_ia64_link_hash_table *ia64_info; |
800eeca4 JW |
3596 | asection *pltoff_sec; |
3597 | ||
bbe66d08 | 3598 | ia64_info = elfNN_ia64_hash_table (info); |
800eeca4 JW |
3599 | pltoff_sec = ia64_info->pltoff_sec; |
3600 | ||
3601 | /* Don't do anything if this symbol uses a real PLT entry. In | |
3602 | that case, we'll fill this in during finish_dynamic_symbol. */ | |
3603 | if ((! dyn_i->want_plt || is_plt) | |
3604 | && !dyn_i->pltoff_done) | |
3605 | { | |
18b27f17 RH |
3606 | bfd_vma gp = _bfd_get_gp_value (abfd); |
3607 | ||
800eeca4 JW |
3608 | /* Fill in the function descriptor. */ |
3609 | bfd_put_64 (abfd, value, pltoff_sec->contents + dyn_i->pltoff_offset); | |
18b27f17 | 3610 | bfd_put_64 (abfd, gp, pltoff_sec->contents + dyn_i->pltoff_offset + 8); |
800eeca4 JW |
3611 | |
3612 | /* Install dynamic relocations if needed. */ | |
ef5aade5 L |
3613 | if (!is_plt |
3614 | && info->shared | |
3615 | && (!dyn_i->h | |
3616 | || ELF_ST_VISIBILITY (dyn_i->h->other) == STV_DEFAULT | |
3617 | || dyn_i->h->root.type != bfd_link_hash_undefweak)) | |
800eeca4 JW |
3618 | { |
3619 | unsigned int dyn_r_type; | |
3620 | ||
3621 | if (bfd_big_endian (abfd)) | |
5a260b66 | 3622 | dyn_r_type = R_IA64_RELNNMSB; |
800eeca4 | 3623 | else |
5a260b66 | 3624 | dyn_r_type = R_IA64_RELNNLSB; |
800eeca4 | 3625 | |
bbe66d08 | 3626 | elfNN_ia64_install_dyn_reloc (abfd, NULL, pltoff_sec, |
800eeca4 JW |
3627 | ia64_info->rel_pltoff_sec, |
3628 | dyn_i->pltoff_offset, | |
18b27f17 | 3629 | dyn_r_type, 0, value); |
bbe66d08 | 3630 | elfNN_ia64_install_dyn_reloc (abfd, NULL, pltoff_sec, |
800eeca4 | 3631 | ia64_info->rel_pltoff_sec, |
5a260b66 | 3632 | dyn_i->pltoff_offset + ARCH_SIZE / 8, |
18b27f17 | 3633 | dyn_r_type, 0, gp); |
800eeca4 JW |
3634 | } |
3635 | ||
3636 | dyn_i->pltoff_done = 1; | |
3637 | } | |
3638 | ||
3639 | /* Return the descriptor's address. */ | |
3640 | value = (pltoff_sec->output_section->vma | |
3641 | + pltoff_sec->output_offset | |
3642 | + dyn_i->pltoff_offset); | |
3643 | ||
3644 | return value; | |
3645 | } | |
3646 | ||
13ae64f3 JJ |
3647 | /* Return the base VMA address which should be subtracted from real addresses |
3648 | when resolving @tprel() relocation. | |
3649 | Main program TLS (whose template starts at PT_TLS p_vaddr) | |
5a260b66 | 3650 | is assigned offset round(2 * size of pointer, PT_TLS p_align). */ |
13ae64f3 JJ |
3651 | |
3652 | static bfd_vma | |
3653 | elfNN_ia64_tprel_base (info) | |
3654 | struct bfd_link_info *info; | |
3655 | { | |
e1918d23 | 3656 | asection *tls_sec = elf_hash_table (info)->tls_sec; |
13ae64f3 | 3657 | |
e1918d23 | 3658 | BFD_ASSERT (tls_sec != NULL); |
5a260b66 L |
3659 | return tls_sec->vma - align_power ((bfd_vma) ARCH_SIZE / 4, |
3660 | tls_sec->alignment_power); | |
13ae64f3 JJ |
3661 | } |
3662 | ||
3663 | /* Return the base VMA address which should be subtracted from real addresses | |
3664 | when resolving @dtprel() relocation. | |
3665 | This is PT_TLS segment p_vaddr. */ | |
3666 | ||
3667 | static bfd_vma | |
3668 | elfNN_ia64_dtprel_base (info) | |
3669 | struct bfd_link_info *info; | |
3670 | { | |
e1918d23 AM |
3671 | BFD_ASSERT (elf_hash_table (info)->tls_sec != NULL); |
3672 | return elf_hash_table (info)->tls_sec->vma; | |
13ae64f3 JJ |
3673 | } |
3674 | ||
f3b6f7c3 | 3675 | /* Called through qsort to sort the .IA_64.unwind section during a |
bbe66d08 | 3676 | non-relocatable link. Set elfNN_ia64_unwind_entry_compare_bfd |
f3b6f7c3 RH |
3677 | to the output bfd so we can do proper endianness frobbing. */ |
3678 | ||
bbe66d08 | 3679 | static bfd *elfNN_ia64_unwind_entry_compare_bfd; |
f3b6f7c3 RH |
3680 | |
3681 | static int | |
bbe66d08 | 3682 | elfNN_ia64_unwind_entry_compare (a, b) |
cea4409c AM |
3683 | const PTR a; |
3684 | const PTR b; | |
f3b6f7c3 RH |
3685 | { |
3686 | bfd_vma av, bv; | |
3687 | ||
bbe66d08 JW |
3688 | av = bfd_get_64 (elfNN_ia64_unwind_entry_compare_bfd, a); |
3689 | bv = bfd_get_64 (elfNN_ia64_unwind_entry_compare_bfd, b); | |
f3b6f7c3 RH |
3690 | |
3691 | return (av < bv ? -1 : av > bv ? 1 : 0); | |
3692 | } | |
3693 | ||
2c4c2bc0 | 3694 | /* Make sure we've got ourselves a nice fat __gp value. */ |
b34976b6 | 3695 | static bfd_boolean |
2c4c2bc0 | 3696 | elfNN_ia64_choose_gp (abfd, info) |
800eeca4 JW |
3697 | bfd *abfd; |
3698 | struct bfd_link_info *info; | |
3699 | { | |
2c4c2bc0 RH |
3700 | bfd_vma min_vma = (bfd_vma) -1, max_vma = 0; |
3701 | bfd_vma min_short_vma = min_vma, max_short_vma = 0; | |
3702 | struct elf_link_hash_entry *gp; | |
3703 | bfd_vma gp_val; | |
3704 | asection *os; | |
bbe66d08 | 3705 | struct elfNN_ia64_link_hash_table *ia64_info; |
9a951beb | 3706 | |
bbe66d08 | 3707 | ia64_info = elfNN_ia64_hash_table (info); |
800eeca4 | 3708 | |
2c4c2bc0 RH |
3709 | /* Find the min and max vma of all sections marked short. Also collect |
3710 | min and max vma of any type, for use in selecting a nice gp. */ | |
3711 | for (os = abfd->sections; os ; os = os->next) | |
800eeca4 | 3712 | { |
2c4c2bc0 | 3713 | bfd_vma lo, hi; |
800eeca4 | 3714 | |
2c4c2bc0 RH |
3715 | if ((os->flags & SEC_ALLOC) == 0) |
3716 | continue; | |
3717 | ||
3718 | lo = os->vma; | |
eea6121a | 3719 | hi = os->vma + os->size; |
2c4c2bc0 RH |
3720 | if (hi < lo) |
3721 | hi = (bfd_vma) -1; | |
3722 | ||
3723 | if (min_vma > lo) | |
3724 | min_vma = lo; | |
3725 | if (max_vma < hi) | |
3726 | max_vma = hi; | |
3727 | if (os->flags & SEC_SMALL_DATA) | |
800eeca4 | 3728 | { |
2c4c2bc0 RH |
3729 | if (min_short_vma > lo) |
3730 | min_short_vma = lo; | |
3731 | if (max_short_vma < hi) | |
3732 | max_short_vma = hi; | |
3733 | } | |
3734 | } | |
800eeca4 | 3735 | |
2c4c2bc0 RH |
3736 | /* See if the user wants to force a value. */ |
3737 | gp = elf_link_hash_lookup (elf_hash_table (info), "__gp", FALSE, | |
3738 | FALSE, FALSE); | |
800eeca4 | 3739 | |
2c4c2bc0 RH |
3740 | if (gp |
3741 | && (gp->root.type == bfd_link_hash_defined | |
3742 | || gp->root.type == bfd_link_hash_defweak)) | |
3743 | { | |
3744 | asection *gp_sec = gp->root.u.def.section; | |
3745 | gp_val = (gp->root.u.def.value | |
3746 | + gp_sec->output_section->vma | |
3747 | + gp_sec->output_offset); | |
3748 | } | |
3749 | else | |
3750 | { | |
3751 | /* Pick a sensible value. */ | |
800eeca4 | 3752 | |
2c4c2bc0 RH |
3753 | asection *got_sec = ia64_info->got_sec; |
3754 | ||
3755 | /* Start with just the address of the .got. */ | |
3756 | if (got_sec) | |
3757 | gp_val = got_sec->output_section->vma; | |
3758 | else if (max_short_vma != 0) | |
3759 | gp_val = min_short_vma; | |
3760 | else | |
3761 | gp_val = min_vma; | |
3762 | ||
3763 | /* If it is possible to address the entire image, but we | |
3764 | don't with the choice above, adjust. */ | |
3765 | if (max_vma - min_vma < 0x400000 | |
3766 | && max_vma - gp_val <= 0x200000 | |
3767 | && gp_val - min_vma > 0x200000) | |
3768 | gp_val = min_vma + 0x200000; | |
3769 | else if (max_short_vma != 0) | |
3770 | { | |
3771 | /* If we don't cover all the short data, adjust. */ | |
3772 | if (max_short_vma - gp_val >= 0x200000) | |
3773 | gp_val = min_short_vma + 0x200000; | |
3774 | ||
3775 | /* If we're addressing stuff past the end, adjust back. */ | |
3776 | if (gp_val > max_vma) | |
3777 | gp_val = max_vma - 0x200000 + 8; | |
800eeca4 | 3778 | } |
2c4c2bc0 | 3779 | } |
800eeca4 | 3780 | |
2c4c2bc0 RH |
3781 | /* Validate whether all SHF_IA_64_SHORT sections are within |
3782 | range of the chosen GP. */ | |
800eeca4 | 3783 | |
2c4c2bc0 RH |
3784 | if (max_short_vma != 0) |
3785 | { | |
3786 | if (max_short_vma - min_short_vma >= 0x400000) | |
800eeca4 | 3787 | { |
2c4c2bc0 RH |
3788 | (*_bfd_error_handler) |
3789 | (_("%s: short data segment overflowed (0x%lx >= 0x400000)"), | |
3790 | bfd_get_filename (abfd), | |
3791 | (unsigned long) (max_short_vma - min_short_vma)); | |
3792 | return FALSE; | |
800eeca4 | 3793 | } |
2c4c2bc0 RH |
3794 | else if ((gp_val > min_short_vma |
3795 | && gp_val - min_short_vma > 0x200000) | |
3796 | || (gp_val < max_short_vma | |
3797 | && max_short_vma - gp_val >= 0x200000)) | |
800eeca4 | 3798 | { |
2c4c2bc0 RH |
3799 | (*_bfd_error_handler) |
3800 | (_("%s: __gp does not cover short data segment"), | |
3801 | bfd_get_filename (abfd)); | |
3802 | return FALSE; | |
3803 | } | |
3804 | } | |
800eeca4 | 3805 | |
2c4c2bc0 | 3806 | _bfd_set_gp_value (abfd, gp_val); |
800eeca4 | 3807 | |
2c4c2bc0 RH |
3808 | return TRUE; |
3809 | } | |
800eeca4 | 3810 | |
2c4c2bc0 RH |
3811 | static bfd_boolean |
3812 | elfNN_ia64_final_link (abfd, info) | |
3813 | bfd *abfd; | |
3814 | struct bfd_link_info *info; | |
3815 | { | |
3816 | struct elfNN_ia64_link_hash_table *ia64_info; | |
3817 | asection *unwind_output_sec; | |
800eeca4 | 3818 | |
2c4c2bc0 | 3819 | ia64_info = elfNN_ia64_hash_table (info); |
800eeca4 | 3820 | |
2c4c2bc0 | 3821 | /* Make sure we've got ourselves a nice fat __gp value. */ |
1049f94e | 3822 | if (!info->relocatable) |
2c4c2bc0 RH |
3823 | { |
3824 | bfd_vma gp_val = _bfd_get_gp_value (abfd); | |
3825 | struct elf_link_hash_entry *gp; | |
3826 | ||
3827 | if (gp_val == 0) | |
800eeca4 | 3828 | { |
2c4c2bc0 RH |
3829 | if (! elfNN_ia64_choose_gp (abfd, info)) |
3830 | return FALSE; | |
3831 | gp_val = _bfd_get_gp_value (abfd); | |
800eeca4 JW |
3832 | } |
3833 | ||
2c4c2bc0 RH |
3834 | gp = elf_link_hash_lookup (elf_hash_table (info), "__gp", FALSE, |
3835 | FALSE, FALSE); | |
b4adccfd RH |
3836 | if (gp) |
3837 | { | |
3838 | gp->root.type = bfd_link_hash_defined; | |
3839 | gp->root.u.def.value = gp_val; | |
3840 | gp->root.u.def.section = bfd_abs_section_ptr; | |
3841 | } | |
800eeca4 JW |
3842 | } |
3843 | ||
f3b6f7c3 | 3844 | /* If we're producing a final executable, we need to sort the contents |
9a951beb RH |
3845 | of the .IA_64.unwind section. Force this section to be relocated |
3846 | into memory rather than written immediately to the output file. */ | |
3847 | unwind_output_sec = NULL; | |
1049f94e | 3848 | if (!info->relocatable) |
f3b6f7c3 RH |
3849 | { |
3850 | asection *s = bfd_get_section_by_name (abfd, ELF_STRING_ia64_unwind); | |
3851 | if (s) | |
3852 | { | |
9a951beb RH |
3853 | unwind_output_sec = s->output_section; |
3854 | unwind_output_sec->contents | |
eea6121a | 3855 | = bfd_malloc (unwind_output_sec->size); |
9a951beb | 3856 | if (unwind_output_sec->contents == NULL) |
b34976b6 | 3857 | return FALSE; |
9a951beb RH |
3858 | } |
3859 | } | |
f3b6f7c3 | 3860 | |
9a951beb | 3861 | /* Invoke the regular ELF backend linker to do all the work. */ |
c152c796 | 3862 | if (!bfd_elf_final_link (abfd, info)) |
b34976b6 | 3863 | return FALSE; |
f3b6f7c3 | 3864 | |
9a951beb RH |
3865 | if (unwind_output_sec) |
3866 | { | |
3867 | elfNN_ia64_unwind_entry_compare_bfd = abfd; | |
dc810e39 | 3868 | qsort (unwind_output_sec->contents, |
eea6121a | 3869 | (size_t) (unwind_output_sec->size / 24), |
dc810e39 AM |
3870 | 24, |
3871 | elfNN_ia64_unwind_entry_compare); | |
9a951beb RH |
3872 | |
3873 | if (! bfd_set_section_contents (abfd, unwind_output_sec, | |
dc810e39 | 3874 | unwind_output_sec->contents, (bfd_vma) 0, |
eea6121a | 3875 | unwind_output_sec->size)) |
b34976b6 | 3876 | return FALSE; |
f3b6f7c3 RH |
3877 | } |
3878 | ||
b34976b6 | 3879 | return TRUE; |
800eeca4 JW |
3880 | } |
3881 | ||
b34976b6 | 3882 | static bfd_boolean |
bbe66d08 | 3883 | elfNN_ia64_relocate_section (output_bfd, info, input_bfd, input_section, |
800eeca4 JW |
3884 | contents, relocs, local_syms, local_sections) |
3885 | bfd *output_bfd; | |
3886 | struct bfd_link_info *info; | |
3887 | bfd *input_bfd; | |
3888 | asection *input_section; | |
3889 | bfd_byte *contents; | |
3890 | Elf_Internal_Rela *relocs; | |
3891 | Elf_Internal_Sym *local_syms; | |
3892 | asection **local_sections; | |
3893 | { | |
bbe66d08 | 3894 | struct elfNN_ia64_link_hash_table *ia64_info; |
800eeca4 JW |
3895 | Elf_Internal_Shdr *symtab_hdr; |
3896 | Elf_Internal_Rela *rel; | |
3897 | Elf_Internal_Rela *relend; | |
3898 | asection *srel; | |
b34976b6 | 3899 | bfd_boolean ret_val = TRUE; /* for non-fatal errors */ |
800eeca4 JW |
3900 | bfd_vma gp_val; |
3901 | ||
3902 | symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr; | |
bbe66d08 | 3903 | ia64_info = elfNN_ia64_hash_table (info); |
800eeca4 JW |
3904 | |
3905 | /* Infect various flags from the input section to the output section. */ | |
1049f94e | 3906 | if (info->relocatable) |
800eeca4 JW |
3907 | { |
3908 | bfd_vma flags; | |
3909 | ||
3910 | flags = elf_section_data(input_section)->this_hdr.sh_flags; | |
3911 | flags &= SHF_IA_64_NORECOV; | |
3912 | ||
3913 | elf_section_data(input_section->output_section) | |
3914 | ->this_hdr.sh_flags |= flags; | |
b34976b6 | 3915 | return TRUE; |
800eeca4 JW |
3916 | } |
3917 | ||
3918 | gp_val = _bfd_get_gp_value (output_bfd); | |
b34976b6 | 3919 | srel = get_reloc_section (input_bfd, ia64_info, input_section, FALSE); |
800eeca4 JW |
3920 | |
3921 | rel = relocs; | |
3922 | relend = relocs + input_section->reloc_count; | |
3923 | for (; rel < relend; ++rel) | |
3924 | { | |
3925 | struct elf_link_hash_entry *h; | |
bbe66d08 | 3926 | struct elfNN_ia64_dyn_sym_info *dyn_i; |
800eeca4 JW |
3927 | bfd_reloc_status_type r; |
3928 | reloc_howto_type *howto; | |
3929 | unsigned long r_symndx; | |
3930 | Elf_Internal_Sym *sym; | |
3931 | unsigned int r_type; | |
3932 | bfd_vma value; | |
3933 | asection *sym_sec; | |
3934 | bfd_byte *hit_addr; | |
b34976b6 AM |
3935 | bfd_boolean dynamic_symbol_p; |
3936 | bfd_boolean undef_weak_ref; | |
800eeca4 | 3937 | |
bbe66d08 | 3938 | r_type = ELFNN_R_TYPE (rel->r_info); |
800eeca4 JW |
3939 | if (r_type > R_IA64_MAX_RELOC_CODE) |
3940 | { | |
3941 | (*_bfd_error_handler) | |
d003868e AM |
3942 | (_("%B: unknown relocation type %d"), |
3943 | input_bfd, (int) r_type); | |
800eeca4 | 3944 | bfd_set_error (bfd_error_bad_value); |
b34976b6 | 3945 | ret_val = FALSE; |
800eeca4 JW |
3946 | continue; |
3947 | } | |
b491616a | 3948 | |
800eeca4 | 3949 | howto = lookup_howto (r_type); |
bbe66d08 | 3950 | r_symndx = ELFNN_R_SYM (rel->r_info); |
800eeca4 JW |
3951 | h = NULL; |
3952 | sym = NULL; | |
3953 | sym_sec = NULL; | |
b34976b6 | 3954 | undef_weak_ref = FALSE; |
800eeca4 JW |
3955 | |
3956 | if (r_symndx < symtab_hdr->sh_info) | |
3957 | { | |
3958 | /* Reloc against local symbol. */ | |
8517fae7 | 3959 | asection *msec; |
800eeca4 JW |
3960 | sym = local_syms + r_symndx; |
3961 | sym_sec = local_sections[r_symndx]; | |
8517fae7 AM |
3962 | msec = sym_sec; |
3963 | value = _bfd_elf_rela_local_sym (output_bfd, sym, &msec, rel); | |
f7460f5f JJ |
3964 | if ((sym_sec->flags & SEC_MERGE) |
3965 | && ELF_ST_TYPE (sym->st_info) == STT_SECTION | |
68bfbfcc | 3966 | && sym_sec->sec_info_type == ELF_INFO_TYPE_MERGE) |
f7460f5f JJ |
3967 | { |
3968 | struct elfNN_ia64_local_hash_entry *loc_h; | |
b34976b6 AM |
3969 | |
3970 | loc_h = get_local_sym_hash (ia64_info, input_bfd, rel, FALSE); | |
f7460f5f JJ |
3971 | if (loc_h && ! loc_h->sec_merge_done) |
3972 | { | |
3973 | struct elfNN_ia64_dyn_sym_info *dynent; | |
f7460f5f JJ |
3974 | |
3975 | for (dynent = loc_h->info; dynent; dynent = dynent->next) | |
3976 | { | |
3977 | msec = sym_sec; | |
3978 | dynent->addend = | |
3979 | _bfd_merged_section_offset (output_bfd, &msec, | |
3980 | elf_section_data (msec)-> | |
65765700 | 3981 | sec_info, |
f7460f5f | 3982 | sym->st_value |
753731ee | 3983 | + dynent->addend); |
f7460f5f JJ |
3984 | dynent->addend -= sym->st_value; |
3985 | dynent->addend += msec->output_section->vma | |
3986 | + msec->output_offset | |
3987 | - sym_sec->output_section->vma | |
3988 | - sym_sec->output_offset; | |
3989 | } | |
3990 | loc_h->sec_merge_done = 1; | |
3991 | } | |
3992 | } | |
800eeca4 JW |
3993 | } |
3994 | else | |
3995 | { | |
560e09e9 NC |
3996 | bfd_boolean unresolved_reloc; |
3997 | bfd_boolean warned; | |
b2a8e766 | 3998 | struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (input_bfd); |
800eeca4 | 3999 | |
b2a8e766 AM |
4000 | RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel, |
4001 | r_symndx, symtab_hdr, sym_hashes, | |
4002 | h, sym_sec, value, | |
4003 | unresolved_reloc, warned); | |
800eeca4 | 4004 | |
560e09e9 | 4005 | if (h->root.type == bfd_link_hash_undefweak) |
b34976b6 | 4006 | undef_weak_ref = TRUE; |
560e09e9 NC |
4007 | else if (warned) |
4008 | continue; | |
800eeca4 JW |
4009 | } |
4010 | ||
4011 | hit_addr = contents + rel->r_offset; | |
4012 | value += rel->r_addend; | |
986a241f | 4013 | dynamic_symbol_p = elfNN_ia64_dynamic_symbol_p (h, info, r_type); |
800eeca4 JW |
4014 | |
4015 | switch (r_type) | |
4016 | { | |
4017 | case R_IA64_NONE: | |
4018 | case R_IA64_LDXMOV: | |
4019 | continue; | |
4020 | ||
4021 | case R_IA64_IMM14: | |
4022 | case R_IA64_IMM22: | |
4023 | case R_IA64_IMM64: | |
4024 | case R_IA64_DIR32MSB: | |
4025 | case R_IA64_DIR32LSB: | |
4026 | case R_IA64_DIR64MSB: | |
4027 | case R_IA64_DIR64LSB: | |
4028 | /* Install a dynamic relocation for this reloc. */ | |
02e6ad56 | 4029 | if ((dynamic_symbol_p || info->shared) |
ec338859 | 4030 | && r_symndx != 0 |
800eeca4 JW |
4031 | && (input_section->flags & SEC_ALLOC) != 0) |
4032 | { | |
4033 | unsigned int dyn_r_type; | |
4034 | long dynindx; | |
18b27f17 | 4035 | bfd_vma addend; |
800eeca4 JW |
4036 | |
4037 | BFD_ASSERT (srel != NULL); | |
4038 | ||
838e70c5 L |
4039 | switch (r_type) |
4040 | { | |
4041 | case R_IA64_IMM14: | |
4042 | case R_IA64_IMM22: | |
4043 | case R_IA64_IMM64: | |
4044 | /* ??? People shouldn't be doing non-pic code in | |
4045 | shared libraries nor dynamic executables. */ | |
4046 | (*_bfd_error_handler) | |
d003868e AM |
4047 | (_("%B: non-pic code with imm relocation against dynamic symbol `%s'"), |
4048 | input_bfd, | |
26c61ae5 L |
4049 | h ? h->root.root.string |
4050 | : bfd_elf_sym_name (input_bfd, symtab_hdr, sym, | |
4051 | sym_sec)); | |
838e70c5 L |
4052 | ret_val = FALSE; |
4053 | continue; | |
4054 | ||
4055 | default: | |
4056 | break; | |
4057 | } | |
4058 | ||
800eeca4 JW |
4059 | /* If we don't need dynamic symbol lookup, find a |
4060 | matching RELATIVE relocation. */ | |
4061 | dyn_r_type = r_type; | |
986a241f | 4062 | if (dynamic_symbol_p) |
18b27f17 RH |
4063 | { |
4064 | dynindx = h->dynindx; | |
4065 | addend = rel->r_addend; | |
4066 | value = 0; | |
4067 | } | |
800eeca4 JW |
4068 | else |
4069 | { | |
4070 | switch (r_type) | |
4071 | { | |
4072 | case R_IA64_DIR32MSB: | |
4073 | dyn_r_type = R_IA64_REL32MSB; | |
4074 | break; | |
4075 | case R_IA64_DIR32LSB: | |
4076 | dyn_r_type = R_IA64_REL32LSB; | |
4077 | break; | |
4078 | case R_IA64_DIR64MSB: | |
4079 | dyn_r_type = R_IA64_REL64MSB; | |
4080 | break; | |
4081 | case R_IA64_DIR64LSB: | |
4082 | dyn_r_type = R_IA64_REL64LSB; | |
4083 | break; | |
4084 | ||
4085 | default: | |
838e70c5 | 4086 | break; |
800eeca4 JW |
4087 | } |
4088 | dynindx = 0; | |
18b27f17 | 4089 | addend = value; |
800eeca4 JW |
4090 | } |
4091 | ||
bbe66d08 | 4092 | elfNN_ia64_install_dyn_reloc (output_bfd, info, input_section, |
800eeca4 | 4093 | srel, rel->r_offset, dyn_r_type, |
18b27f17 | 4094 | dynindx, addend); |
800eeca4 | 4095 | } |
ae9a127f | 4096 | /* Fall through. */ |
800eeca4 JW |
4097 | |
4098 | case R_IA64_LTV32MSB: | |
4099 | case R_IA64_LTV32LSB: | |
4100 | case R_IA64_LTV64MSB: | |
4101 | case R_IA64_LTV64LSB: | |
bbb268c3 | 4102 | r = elfNN_ia64_install_value (hit_addr, value, r_type); |
800eeca4 JW |
4103 | break; |
4104 | ||
4105 | case R_IA64_GPREL22: | |
4106 | case R_IA64_GPREL64I: | |
4107 | case R_IA64_GPREL32MSB: | |
4108 | case R_IA64_GPREL32LSB: | |
4109 | case R_IA64_GPREL64MSB: | |
4110 | case R_IA64_GPREL64LSB: | |
4111 | if (dynamic_symbol_p) | |
4112 | { | |
4113 | (*_bfd_error_handler) | |
d003868e | 4114 | (_("%B: @gprel relocation against dynamic symbol %s"), |
26c61ae5 L |
4115 | input_bfd, |
4116 | h ? h->root.root.string | |
4117 | : bfd_elf_sym_name (input_bfd, symtab_hdr, sym, | |
4118 | sym_sec)); | |
b34976b6 | 4119 | ret_val = FALSE; |
800eeca4 JW |
4120 | continue; |
4121 | } | |
4122 | value -= gp_val; | |
bbb268c3 | 4123 | r = elfNN_ia64_install_value (hit_addr, value, r_type); |
800eeca4 JW |
4124 | break; |
4125 | ||
4126 | case R_IA64_LTOFF22: | |
4127 | case R_IA64_LTOFF22X: | |
4128 | case R_IA64_LTOFF64I: | |
b34976b6 | 4129 | dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, FALSE); |
800eeca4 | 4130 | value = set_got_entry (input_bfd, info, dyn_i, (h ? h->dynindx : -1), |
5a260b66 | 4131 | rel->r_addend, value, R_IA64_DIRNNLSB); |
800eeca4 | 4132 | value -= gp_val; |
bbb268c3 | 4133 | r = elfNN_ia64_install_value (hit_addr, value, r_type); |
800eeca4 JW |
4134 | break; |
4135 | ||
4136 | case R_IA64_PLTOFF22: | |
4137 | case R_IA64_PLTOFF64I: | |
4138 | case R_IA64_PLTOFF64MSB: | |
4139 | case R_IA64_PLTOFF64LSB: | |
b34976b6 AM |
4140 | dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, FALSE); |
4141 | value = set_pltoff_entry (output_bfd, info, dyn_i, value, FALSE); | |
800eeca4 | 4142 | value -= gp_val; |
bbb268c3 | 4143 | r = elfNN_ia64_install_value (hit_addr, value, r_type); |
800eeca4 JW |
4144 | break; |
4145 | ||
4146 | case R_IA64_FPTR64I: | |
4147 | case R_IA64_FPTR32MSB: | |
4148 | case R_IA64_FPTR32LSB: | |
4149 | case R_IA64_FPTR64MSB: | |
4150 | case R_IA64_FPTR64LSB: | |
b34976b6 | 4151 | dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, FALSE); |
800eeca4 JW |
4152 | if (dyn_i->want_fptr) |
4153 | { | |
4154 | if (!undef_weak_ref) | |
4155 | value = set_fptr_entry (output_bfd, info, dyn_i, value); | |
4156 | } | |
9203ba99 | 4157 | if (!dyn_i->want_fptr || info->pie) |
800eeca4 JW |
4158 | { |
4159 | long dynindx; | |
9203ba99 JJ |
4160 | unsigned int dyn_r_type = r_type; |
4161 | bfd_vma addend = rel->r_addend; | |
800eeca4 JW |
4162 | |
4163 | /* Otherwise, we expect the dynamic linker to create | |
4164 | the entry. */ | |
4165 | ||
9203ba99 JJ |
4166 | if (dyn_i->want_fptr) |
4167 | { | |
4168 | if (r_type == R_IA64_FPTR64I) | |
4169 | { | |
4170 | /* We can't represent this without a dynamic symbol. | |
4171 | Adjust the relocation to be against an output | |
4172 | section symbol, which are always present in the | |
4173 | dynamic symbol table. */ | |
4174 | /* ??? People shouldn't be doing non-pic code in | |
4175 | shared libraries. Hork. */ | |
4176 | (*_bfd_error_handler) | |
d003868e AM |
4177 | (_("%B: linking non-pic code in a position independent executable"), |
4178 | input_bfd); | |
9203ba99 JJ |
4179 | ret_val = FALSE; |
4180 | continue; | |
4181 | } | |
4182 | dynindx = 0; | |
4183 | addend = value; | |
5a260b66 | 4184 | dyn_r_type = r_type + R_IA64_RELNNLSB - R_IA64_FPTRNNLSB; |
9203ba99 JJ |
4185 | } |
4186 | else if (h) | |
800eeca4 JW |
4187 | { |
4188 | if (h->dynindx != -1) | |
4189 | dynindx = h->dynindx; | |
4190 | else | |
4191 | dynindx = (_bfd_elf_link_lookup_local_dynindx | |
4192 | (info, h->root.u.def.section->owner, | |
4193 | global_sym_index (h))); | |
9203ba99 | 4194 | value = 0; |
800eeca4 JW |
4195 | } |
4196 | else | |
4197 | { | |
4198 | dynindx = (_bfd_elf_link_lookup_local_dynindx | |
dc810e39 | 4199 | (info, input_bfd, (long) r_symndx)); |
9203ba99 | 4200 | value = 0; |
800eeca4 JW |
4201 | } |
4202 | ||
bbe66d08 | 4203 | elfNN_ia64_install_dyn_reloc (output_bfd, info, input_section, |
9203ba99 JJ |
4204 | srel, rel->r_offset, dyn_r_type, |
4205 | dynindx, addend); | |
800eeca4 JW |
4206 | } |
4207 | ||
bbb268c3 | 4208 | r = elfNN_ia64_install_value (hit_addr, value, r_type); |
800eeca4 JW |
4209 | break; |
4210 | ||
4211 | case R_IA64_LTOFF_FPTR22: | |
4212 | case R_IA64_LTOFF_FPTR64I: | |
a4bd8390 JW |
4213 | case R_IA64_LTOFF_FPTR32MSB: |
4214 | case R_IA64_LTOFF_FPTR32LSB: | |
800eeca4 JW |
4215 | case R_IA64_LTOFF_FPTR64MSB: |
4216 | case R_IA64_LTOFF_FPTR64LSB: | |
4217 | { | |
4218 | long dynindx; | |
4219 | ||
b34976b6 | 4220 | dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, FALSE); |
800eeca4 JW |
4221 | if (dyn_i->want_fptr) |
4222 | { | |
f12123c0 | 4223 | BFD_ASSERT (h == NULL || h->dynindx == -1); |
800eeca4 JW |
4224 | if (!undef_weak_ref) |
4225 | value = set_fptr_entry (output_bfd, info, dyn_i, value); | |
4226 | dynindx = -1; | |
4227 | } | |
4228 | else | |
4229 | { | |
4230 | /* Otherwise, we expect the dynamic linker to create | |
4231 | the entry. */ | |
4232 | if (h) | |
4233 | { | |
4234 | if (h->dynindx != -1) | |
4235 | dynindx = h->dynindx; | |
4236 | else | |
4237 | dynindx = (_bfd_elf_link_lookup_local_dynindx | |
4238 | (info, h->root.u.def.section->owner, | |
4239 | global_sym_index (h))); | |
4240 | } | |
4241 | else | |
4242 | dynindx = (_bfd_elf_link_lookup_local_dynindx | |
dc810e39 | 4243 | (info, input_bfd, (long) r_symndx)); |
800eeca4 JW |
4244 | value = 0; |
4245 | } | |
4246 | ||
4247 | value = set_got_entry (output_bfd, info, dyn_i, dynindx, | |
5a260b66 | 4248 | rel->r_addend, value, R_IA64_FPTRNNLSB); |
800eeca4 | 4249 | value -= gp_val; |
bbb268c3 | 4250 | r = elfNN_ia64_install_value (hit_addr, value, r_type); |
800eeca4 JW |
4251 | } |
4252 | break; | |
4253 | ||
4254 | case R_IA64_PCREL32MSB: | |
4255 | case R_IA64_PCREL32LSB: | |
4256 | case R_IA64_PCREL64MSB: | |
4257 | case R_IA64_PCREL64LSB: | |
4258 | /* Install a dynamic relocation for this reloc. */ | |
02e6ad56 | 4259 | if (dynamic_symbol_p && r_symndx != 0) |
800eeca4 JW |
4260 | { |
4261 | BFD_ASSERT (srel != NULL); | |
4262 | ||
bbe66d08 | 4263 | elfNN_ia64_install_dyn_reloc (output_bfd, info, input_section, |
800eeca4 JW |
4264 | srel, rel->r_offset, r_type, |
4265 | h->dynindx, rel->r_addend); | |
4266 | } | |
4267 | goto finish_pcrel; | |
4268 | ||
800eeca4 | 4269 | case R_IA64_PCREL21B: |
748abff6 | 4270 | case R_IA64_PCREL60B: |
800eeca4 | 4271 | /* We should have created a PLT entry for any dynamic symbol. */ |
800eeca4 JW |
4272 | dyn_i = NULL; |
4273 | if (h) | |
b34976b6 | 4274 | dyn_i = get_dyn_sym_info (ia64_info, h, NULL, NULL, FALSE); |
800eeca4 JW |
4275 | |
4276 | if (dyn_i && dyn_i->want_plt2) | |
4277 | { | |
4278 | /* Should have caught this earlier. */ | |
4279 | BFD_ASSERT (rel->r_addend == 0); | |
4280 | ||
4281 | value = (ia64_info->plt_sec->output_section->vma | |
4282 | + ia64_info->plt_sec->output_offset | |
4283 | + dyn_i->plt2_offset); | |
4284 | } | |
4285 | else | |
4286 | { | |
4287 | /* Since there's no PLT entry, Validate that this is | |
4288 | locally defined. */ | |
4289 | BFD_ASSERT (undef_weak_ref || sym_sec->output_section != NULL); | |
4290 | ||
4291 | /* If the symbol is undef_weak, we shouldn't be trying | |
4292 | to call it. There's every chance that we'd wind up | |
4293 | with an out-of-range fixup here. Don't bother setting | |
4294 | any value at all. */ | |
4295 | if (undef_weak_ref) | |
4296 | continue; | |
4297 | } | |
4298 | goto finish_pcrel; | |
4299 | ||
2f9bd3f6 RH |
4300 | case R_IA64_PCREL21BI: |
4301 | case R_IA64_PCREL21F: | |
4302 | case R_IA64_PCREL21M: | |
748abff6 RH |
4303 | case R_IA64_PCREL22: |
4304 | case R_IA64_PCREL64I: | |
2f9bd3f6 RH |
4305 | /* The PCREL21BI reloc is specifically not intended for use with |
4306 | dynamic relocs. PCREL21F and PCREL21M are used for speculation | |
f12123c0 | 4307 | fixup code, and thus probably ought not be dynamic. The |
2f9bd3f6 RH |
4308 | PCREL22 and PCREL64I relocs aren't emitted as dynamic relocs. */ |
4309 | if (dynamic_symbol_p) | |
4310 | { | |
4311 | const char *msg; | |
4312 | ||
4313 | if (r_type == R_IA64_PCREL21BI) | |
d003868e | 4314 | msg = _("%B: @internal branch to dynamic symbol %s"); |
2f9bd3f6 | 4315 | else if (r_type == R_IA64_PCREL21F || r_type == R_IA64_PCREL21M) |
d003868e | 4316 | msg = _("%B: speculation fixup to dynamic symbol %s"); |
2f9bd3f6 | 4317 | else |
d003868e | 4318 | msg = _("%B: @pcrel relocation against dynamic symbol %s"); |
26c61ae5 L |
4319 | (*_bfd_error_handler) (msg, input_bfd, |
4320 | h ? h->root.root.string | |
4321 | : bfd_elf_sym_name (input_bfd, | |
4322 | symtab_hdr, | |
4323 | sym, | |
4324 | sym_sec)); | |
2f9bd3f6 RH |
4325 | ret_val = FALSE; |
4326 | continue; | |
4327 | } | |
4328 | goto finish_pcrel; | |
4329 | ||
800eeca4 JW |
4330 | finish_pcrel: |
4331 | /* Make pc-relative. */ | |
4332 | value -= (input_section->output_section->vma | |
4333 | + input_section->output_offset | |
4334 | + rel->r_offset) & ~ (bfd_vma) 0x3; | |
bbb268c3 | 4335 | r = elfNN_ia64_install_value (hit_addr, value, r_type); |
800eeca4 JW |
4336 | break; |
4337 | ||
4338 | case R_IA64_SEGREL32MSB: | |
4339 | case R_IA64_SEGREL32LSB: | |
4340 | case R_IA64_SEGREL64MSB: | |
4341 | case R_IA64_SEGREL64LSB: | |
d7458677 AM |
4342 | if (r_symndx == 0) |
4343 | { | |
4344 | /* If the input section was discarded from the output, then | |
4345 | do nothing. */ | |
4346 | r = bfd_reloc_ok; | |
4347 | } | |
4348 | else | |
4349 | { | |
4350 | struct elf_segment_map *m; | |
4351 | Elf_Internal_Phdr *p; | |
4352 | ||
4353 | /* Find the segment that contains the output_section. */ | |
4354 | for (m = elf_tdata (output_bfd)->segment_map, | |
4355 | p = elf_tdata (output_bfd)->phdr; | |
4356 | m != NULL; | |
4357 | m = m->next, p++) | |
4358 | { | |
4359 | int i; | |
4360 | for (i = m->count - 1; i >= 0; i--) | |
9f1c3a0a | 4361 | if (m->sections[i] == input_section->output_section) |
d7458677 AM |
4362 | break; |
4363 | if (i >= 0) | |
800eeca4 | 4364 | break; |
d7458677 | 4365 | } |
800eeca4 | 4366 | |
d7458677 AM |
4367 | if (m == NULL) |
4368 | { | |
800eeca4 | 4369 | r = bfd_reloc_notsupported; |
d7458677 AM |
4370 | } |
4371 | else | |
4372 | { | |
4373 | /* The VMA of the segment is the vaddr of the associated | |
4374 | program header. */ | |
4375 | if (value > p->p_vaddr) | |
4376 | value -= p->p_vaddr; | |
4377 | else | |
4378 | value = 0; | |
bbb268c3 | 4379 | r = elfNN_ia64_install_value (hit_addr, value, r_type); |
d7458677 AM |
4380 | } |
4381 | break; | |
4382 | } | |
800eeca4 JW |
4383 | |
4384 | case R_IA64_SECREL32MSB: | |
4385 | case R_IA64_SECREL32LSB: | |
4386 | case R_IA64_SECREL64MSB: | |
4387 | case R_IA64_SECREL64LSB: | |
97ecf322 L |
4388 | /* Make output-section relative to section where the symbol |
4389 | is defined. PR 475 */ | |
bf718458 L |
4390 | if (sym_sec) |
4391 | value -= sym_sec->output_section->vma; | |
bbb268c3 | 4392 | r = elfNN_ia64_install_value (hit_addr, value, r_type); |
800eeca4 JW |
4393 | break; |
4394 | ||
800eeca4 JW |
4395 | case R_IA64_IPLTMSB: |
4396 | case R_IA64_IPLTLSB: | |
18b27f17 RH |
4397 | /* Install a dynamic relocation for this reloc. */ |
4398 | if ((dynamic_symbol_p || info->shared) | |
4399 | && (input_section->flags & SEC_ALLOC) != 0) | |
4400 | { | |
18b27f17 RH |
4401 | BFD_ASSERT (srel != NULL); |
4402 | ||
4403 | /* If we don't need dynamic symbol lookup, install two | |
4404 | RELATIVE relocations. */ | |
986a241f | 4405 | if (!dynamic_symbol_p) |
18b27f17 RH |
4406 | { |
4407 | unsigned int dyn_r_type; | |
3e932841 | 4408 | |
18b27f17 RH |
4409 | if (r_type == R_IA64_IPLTMSB) |
4410 | dyn_r_type = R_IA64_REL64MSB; | |
4411 | else | |
4412 | dyn_r_type = R_IA64_REL64LSB; | |
4413 | ||
4414 | elfNN_ia64_install_dyn_reloc (output_bfd, info, | |
4415 | input_section, | |
4416 | srel, rel->r_offset, | |
4417 | dyn_r_type, 0, value); | |
4418 | elfNN_ia64_install_dyn_reloc (output_bfd, info, | |
4419 | input_section, | |
4420 | srel, rel->r_offset + 8, | |
4421 | dyn_r_type, 0, gp_val); | |
4422 | } | |
4423 | else | |
4424 | elfNN_ia64_install_dyn_reloc (output_bfd, info, input_section, | |
4425 | srel, rel->r_offset, r_type, | |
4426 | h->dynindx, rel->r_addend); | |
4427 | } | |
4428 | ||
4429 | if (r_type == R_IA64_IPLTMSB) | |
4430 | r_type = R_IA64_DIR64MSB; | |
4431 | else | |
4432 | r_type = R_IA64_DIR64LSB; | |
bbb268c3 JW |
4433 | elfNN_ia64_install_value (hit_addr, value, r_type); |
4434 | r = elfNN_ia64_install_value (hit_addr + 8, gp_val, r_type); | |
18b27f17 | 4435 | break; |
800eeca4 | 4436 | |
13ae64f3 JJ |
4437 | case R_IA64_TPREL14: |
4438 | case R_IA64_TPREL22: | |
4439 | case R_IA64_TPREL64I: | |
4440 | value -= elfNN_ia64_tprel_base (info); | |
bbb268c3 | 4441 | r = elfNN_ia64_install_value (hit_addr, value, r_type); |
13ae64f3 JJ |
4442 | break; |
4443 | ||
4444 | case R_IA64_DTPREL14: | |
4445 | case R_IA64_DTPREL22: | |
4446 | case R_IA64_DTPREL64I: | |
5a260b66 L |
4447 | case R_IA64_DTPREL32LSB: |
4448 | case R_IA64_DTPREL32MSB: | |
b3dfd7fe JJ |
4449 | case R_IA64_DTPREL64LSB: |
4450 | case R_IA64_DTPREL64MSB: | |
13ae64f3 | 4451 | value -= elfNN_ia64_dtprel_base (info); |
bbb268c3 | 4452 | r = elfNN_ia64_install_value (hit_addr, value, r_type); |
13ae64f3 JJ |
4453 | break; |
4454 | ||
4455 | case R_IA64_LTOFF_TPREL22: | |
4456 | case R_IA64_LTOFF_DTPMOD22: | |
4457 | case R_IA64_LTOFF_DTPREL22: | |
4458 | { | |
4459 | int got_r_type; | |
a823975a JJ |
4460 | long dynindx = h ? h->dynindx : -1; |
4461 | bfd_vma r_addend = rel->r_addend; | |
13ae64f3 JJ |
4462 | |
4463 | switch (r_type) | |
4464 | { | |
4465 | default: | |
4466 | case R_IA64_LTOFF_TPREL22: | |
a823975a JJ |
4467 | if (!dynamic_symbol_p) |
4468 | { | |
4469 | if (!info->shared) | |
4470 | value -= elfNN_ia64_tprel_base (info); | |
4471 | else | |
4472 | { | |
4473 | r_addend += value - elfNN_ia64_dtprel_base (info); | |
4474 | dynindx = 0; | |
4475 | } | |
4476 | } | |
13ae64f3 JJ |
4477 | got_r_type = R_IA64_TPREL64LSB; |
4478 | break; | |
4479 | case R_IA64_LTOFF_DTPMOD22: | |
4480 | if (!dynamic_symbol_p && !info->shared) | |
4481 | value = 1; | |
4482 | got_r_type = R_IA64_DTPMOD64LSB; | |
4483 | break; | |
4484 | case R_IA64_LTOFF_DTPREL22: | |
4485 | if (!dynamic_symbol_p) | |
4486 | value -= elfNN_ia64_dtprel_base (info); | |
5a260b66 | 4487 | got_r_type = R_IA64_DTPRELNNLSB; |
13ae64f3 JJ |
4488 | break; |
4489 | } | |
b34976b6 | 4490 | dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, FALSE); |
a823975a | 4491 | value = set_got_entry (input_bfd, info, dyn_i, dynindx, r_addend, |
13ae64f3 JJ |
4492 | value, got_r_type); |
4493 | value -= gp_val; | |
bbb268c3 | 4494 | r = elfNN_ia64_install_value (hit_addr, value, r_type); |
13ae64f3 JJ |
4495 | } |
4496 | break; | |
4497 | ||
800eeca4 JW |
4498 | default: |
4499 | r = bfd_reloc_notsupported; | |
4500 | break; | |
4501 | } | |
4502 | ||
4503 | switch (r) | |
4504 | { | |
4505 | case bfd_reloc_ok: | |
4506 | break; | |
4507 | ||
4508 | case bfd_reloc_undefined: | |
4509 | /* This can happen for global table relative relocs if | |
4510 | __gp is undefined. This is a panic situation so we | |
4511 | don't try to continue. */ | |
4512 | (*info->callbacks->undefined_symbol) | |
4513 | (info, "__gp", input_bfd, input_section, rel->r_offset, 1); | |
b34976b6 | 4514 | return FALSE; |
800eeca4 JW |
4515 | |
4516 | case bfd_reloc_notsupported: | |
4517 | { | |
4518 | const char *name; | |
4519 | ||
4520 | if (h) | |
4521 | name = h->root.root.string; | |
4522 | else | |
26c61ae5 L |
4523 | name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym, |
4524 | sym_sec); | |
800eeca4 JW |
4525 | if (!(*info->callbacks->warning) (info, _("unsupported reloc"), |
4526 | name, input_bfd, | |
4527 | input_section, rel->r_offset)) | |
b34976b6 AM |
4528 | return FALSE; |
4529 | ret_val = FALSE; | |
800eeca4 JW |
4530 | } |
4531 | break; | |
4532 | ||
4533 | case bfd_reloc_dangerous: | |
4534 | case bfd_reloc_outofrange: | |
4535 | case bfd_reloc_overflow: | |
4536 | default: | |
4537 | { | |
4538 | const char *name; | |
4539 | ||
4540 | if (h) | |
f0581930 | 4541 | name = h->root.root.string; |
800eeca4 | 4542 | else |
26c61ae5 L |
4543 | name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym, |
4544 | sym_sec); | |
c5509b92 L |
4545 | |
4546 | switch (r_type) | |
4547 | { | |
4548 | case R_IA64_PCREL21B: | |
4549 | case R_IA64_PCREL21BI: | |
4550 | case R_IA64_PCREL21M: | |
4551 | case R_IA64_PCREL21F: | |
4552 | if (is_elf_hash_table (info->hash)) | |
4553 | { | |
4554 | /* Relaxtion is always performed for ELF output. | |
4555 | Overflow failures for those relocations mean | |
4556 | that the section is too big to relax. */ | |
4557 | (*_bfd_error_handler) | |
4558 | (_("%B: Can't relax br (%s) to `%s' at 0x%lx in section `%A' with size 0x%lx (> 0x1000000)."), | |
4559 | input_bfd, input_section, howto->name, name, | |
4560 | rel->r_offset, input_section->size); | |
4561 | break; | |
4562 | } | |
4563 | default: | |
4564 | if (!(*info->callbacks->reloc_overflow) (info, | |
4565 | &h->root, | |
4566 | name, | |
4567 | howto->name, | |
4568 | (bfd_vma) 0, | |
4569 | input_bfd, | |
4570 | input_section, | |
4571 | rel->r_offset)) | |
4572 | return FALSE; | |
4573 | break; | |
4574 | } | |
4575 | ||
b34976b6 | 4576 | ret_val = FALSE; |
800eeca4 JW |
4577 | } |
4578 | break; | |
4579 | } | |
4580 | } | |
4581 | ||
4582 | return ret_val; | |
4583 | } | |
4584 | ||
b34976b6 | 4585 | static bfd_boolean |
bbe66d08 | 4586 | elfNN_ia64_finish_dynamic_symbol (output_bfd, info, h, sym) |
800eeca4 JW |
4587 | bfd *output_bfd; |
4588 | struct bfd_link_info *info; | |
4589 | struct elf_link_hash_entry *h; | |
4590 | Elf_Internal_Sym *sym; | |
4591 | { | |
bbe66d08 JW |
4592 | struct elfNN_ia64_link_hash_table *ia64_info; |
4593 | struct elfNN_ia64_dyn_sym_info *dyn_i; | |
800eeca4 | 4594 | |
bbe66d08 | 4595 | ia64_info = elfNN_ia64_hash_table (info); |
b34976b6 | 4596 | dyn_i = get_dyn_sym_info (ia64_info, h, NULL, NULL, FALSE); |
800eeca4 JW |
4597 | |
4598 | /* Fill in the PLT data, if required. */ | |
4599 | if (dyn_i && dyn_i->want_plt) | |
4600 | { | |
4601 | Elf_Internal_Rela outrel; | |
4602 | bfd_byte *loc; | |
4603 | asection *plt_sec; | |
4604 | bfd_vma plt_addr, pltoff_addr, gp_val, index; | |
800eeca4 JW |
4605 | |
4606 | gp_val = _bfd_get_gp_value (output_bfd); | |
4607 | ||
4608 | /* Initialize the minimal PLT entry. */ | |
4609 | ||
4610 | index = (dyn_i->plt_offset - PLT_HEADER_SIZE) / PLT_MIN_ENTRY_SIZE; | |
4611 | plt_sec = ia64_info->plt_sec; | |
4612 | loc = plt_sec->contents + dyn_i->plt_offset; | |
4613 | ||
4614 | memcpy (loc, plt_min_entry, PLT_MIN_ENTRY_SIZE); | |
bbb268c3 JW |
4615 | elfNN_ia64_install_value (loc, index, R_IA64_IMM22); |
4616 | elfNN_ia64_install_value (loc+2, -dyn_i->plt_offset, R_IA64_PCREL21B); | |
800eeca4 JW |
4617 | |
4618 | plt_addr = (plt_sec->output_section->vma | |
4619 | + plt_sec->output_offset | |
4620 | + dyn_i->plt_offset); | |
b34976b6 | 4621 | pltoff_addr = set_pltoff_entry (output_bfd, info, dyn_i, plt_addr, TRUE); |
800eeca4 JW |
4622 | |
4623 | /* Initialize the FULL PLT entry, if needed. */ | |
4624 | if (dyn_i->want_plt2) | |
4625 | { | |
4626 | loc = plt_sec->contents + dyn_i->plt2_offset; | |
4627 | ||
4628 | memcpy (loc, plt_full_entry, PLT_FULL_ENTRY_SIZE); | |
bbb268c3 | 4629 | elfNN_ia64_install_value (loc, pltoff_addr - gp_val, R_IA64_IMM22); |
800eeca4 JW |
4630 | |
4631 | /* Mark the symbol as undefined, rather than as defined in the | |
4632 | plt section. Leave the value alone. */ | |
4633 | /* ??? We didn't redefine it in adjust_dynamic_symbol in the | |
c152c796 | 4634 | first place. But perhaps elflink.c did some for us. */ |
f5385ebf | 4635 | if (!h->def_regular) |
800eeca4 JW |
4636 | sym->st_shndx = SHN_UNDEF; |
4637 | } | |
4638 | ||
4639 | /* Create the dynamic relocation. */ | |
4640 | outrel.r_offset = pltoff_addr; | |
4641 | if (bfd_little_endian (output_bfd)) | |
bbe66d08 | 4642 | outrel.r_info = ELFNN_R_INFO (h->dynindx, R_IA64_IPLTLSB); |
800eeca4 | 4643 | else |
bbe66d08 | 4644 | outrel.r_info = ELFNN_R_INFO (h->dynindx, R_IA64_IPLTMSB); |
800eeca4 JW |
4645 | outrel.r_addend = 0; |
4646 | ||
4647 | /* This is fun. In the .IA_64.pltoff section, we've got entries | |
4648 | that correspond both to real PLT entries, and those that | |
4649 | happened to resolve to local symbols but need to be created | |
4650 | to satisfy @pltoff relocations. The .rela.IA_64.pltoff | |
4651 | relocations for the real PLT should come at the end of the | |
4652 | section, so that they can be indexed by plt entry at runtime. | |
4653 | ||
4654 | We emitted all of the relocations for the non-PLT @pltoff | |
4655 | entries during relocate_section. So we can consider the | |
4656 | existing sec->reloc_count to be the base of the array of | |
4657 | PLT relocations. */ | |
4658 | ||
947216bf AM |
4659 | loc = ia64_info->rel_pltoff_sec->contents; |
4660 | loc += ((ia64_info->rel_pltoff_sec->reloc_count + index) | |
37cd2629 | 4661 | * sizeof (ElfNN_External_Rela)); |
947216bf | 4662 | bfd_elfNN_swap_reloca_out (output_bfd, &outrel, loc); |
800eeca4 JW |
4663 | } |
4664 | ||
4665 | /* Mark some specially defined symbols as absolute. */ | |
4666 | if (strcmp (h->root.root.string, "_DYNAMIC") == 0 | |
4667 | || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0 | |
4668 | || strcmp (h->root.root.string, "_PROCEDURE_LINKAGE_TABLE_") == 0) | |
4669 | sym->st_shndx = SHN_ABS; | |
4670 | ||
b34976b6 | 4671 | return TRUE; |
800eeca4 JW |
4672 | } |
4673 | ||
b34976b6 | 4674 | static bfd_boolean |
bbe66d08 | 4675 | elfNN_ia64_finish_dynamic_sections (abfd, info) |
800eeca4 JW |
4676 | bfd *abfd; |
4677 | struct bfd_link_info *info; | |
4678 | { | |
bbe66d08 | 4679 | struct elfNN_ia64_link_hash_table *ia64_info; |
800eeca4 JW |
4680 | bfd *dynobj; |
4681 | ||
bbe66d08 | 4682 | ia64_info = elfNN_ia64_hash_table (info); |
800eeca4 JW |
4683 | dynobj = ia64_info->root.dynobj; |
4684 | ||
4685 | if (elf_hash_table (info)->dynamic_sections_created) | |
4686 | { | |
bbe66d08 | 4687 | ElfNN_External_Dyn *dyncon, *dynconend; |
800eeca4 JW |
4688 | asection *sdyn, *sgotplt; |
4689 | bfd_vma gp_val; | |
4690 | ||
4691 | sdyn = bfd_get_section_by_name (dynobj, ".dynamic"); | |
4692 | sgotplt = bfd_get_section_by_name (dynobj, ".got.plt"); | |
4693 | BFD_ASSERT (sdyn != NULL); | |
bbe66d08 | 4694 | dyncon = (ElfNN_External_Dyn *) sdyn->contents; |
eea6121a | 4695 | dynconend = (ElfNN_External_Dyn *) (sdyn->contents + sdyn->size); |
800eeca4 JW |
4696 | |
4697 | gp_val = _bfd_get_gp_value (abfd); | |
4698 | ||
4699 | for (; dyncon < dynconend; dyncon++) | |
4700 | { | |
4701 | Elf_Internal_Dyn dyn; | |
800eeca4 | 4702 | |
bbe66d08 | 4703 | bfd_elfNN_swap_dyn_in (dynobj, dyncon, &dyn); |
800eeca4 JW |
4704 | |
4705 | switch (dyn.d_tag) | |
4706 | { | |
4707 | case DT_PLTGOT: | |
4708 | dyn.d_un.d_ptr = gp_val; | |
4709 | break; | |
4710 | ||
4711 | case DT_PLTRELSZ: | |
4712 | dyn.d_un.d_val = (ia64_info->minplt_entries | |
bbe66d08 | 4713 | * sizeof (ElfNN_External_Rela)); |
800eeca4 JW |
4714 | break; |
4715 | ||
4716 | case DT_JMPREL: | |
4717 | /* See the comment above in finish_dynamic_symbol. */ | |
4718 | dyn.d_un.d_ptr = (ia64_info->rel_pltoff_sec->output_section->vma | |
4719 | + ia64_info->rel_pltoff_sec->output_offset | |
4720 | + (ia64_info->rel_pltoff_sec->reloc_count | |
bbe66d08 | 4721 | * sizeof (ElfNN_External_Rela))); |
800eeca4 JW |
4722 | break; |
4723 | ||
4724 | case DT_IA_64_PLT_RESERVE: | |
4725 | dyn.d_un.d_ptr = (sgotplt->output_section->vma | |
4726 | + sgotplt->output_offset); | |
4727 | break; | |
4728 | ||
4729 | case DT_RELASZ: | |
4730 | /* Do not have RELASZ include JMPREL. This makes things | |
3e932841 | 4731 | easier on ld.so. This is not what the rest of BFD set up. */ |
800eeca4 | 4732 | dyn.d_un.d_val -= (ia64_info->minplt_entries |
bbe66d08 | 4733 | * sizeof (ElfNN_External_Rela)); |
800eeca4 | 4734 | break; |
800eeca4 JW |
4735 | } |
4736 | ||
bbe66d08 | 4737 | bfd_elfNN_swap_dyn_out (abfd, &dyn, dyncon); |
800eeca4 JW |
4738 | } |
4739 | ||
ae9a127f | 4740 | /* Initialize the PLT0 entry. */ |
800eeca4 JW |
4741 | if (ia64_info->plt_sec) |
4742 | { | |
4743 | bfd_byte *loc = ia64_info->plt_sec->contents; | |
4744 | bfd_vma pltres; | |
4745 | ||
4746 | memcpy (loc, plt_header, PLT_HEADER_SIZE); | |
4747 | ||
4748 | pltres = (sgotplt->output_section->vma | |
4749 | + sgotplt->output_offset | |
4750 | - gp_val); | |
4751 | ||
bbb268c3 | 4752 | elfNN_ia64_install_value (loc+1, pltres, R_IA64_GPREL22); |
800eeca4 JW |
4753 | } |
4754 | } | |
4755 | ||
b34976b6 | 4756 | return TRUE; |
800eeca4 JW |
4757 | } |
4758 | \f | |
ae9a127f | 4759 | /* ELF file flag handling: */ |
800eeca4 | 4760 | |
3e932841 | 4761 | /* Function to keep IA-64 specific file flags. */ |
b34976b6 | 4762 | static bfd_boolean |
bbe66d08 | 4763 | elfNN_ia64_set_private_flags (abfd, flags) |
800eeca4 JW |
4764 | bfd *abfd; |
4765 | flagword flags; | |
4766 | { | |
4767 | BFD_ASSERT (!elf_flags_init (abfd) | |
4768 | || elf_elfheader (abfd)->e_flags == flags); | |
4769 | ||
4770 | elf_elfheader (abfd)->e_flags = flags; | |
b34976b6 AM |
4771 | elf_flags_init (abfd) = TRUE; |
4772 | return TRUE; | |
800eeca4 JW |
4773 | } |
4774 | ||
800eeca4 JW |
4775 | /* Merge backend specific data from an object file to the output |
4776 | object file when linking. */ | |
b34976b6 | 4777 | static bfd_boolean |
bbe66d08 | 4778 | elfNN_ia64_merge_private_bfd_data (ibfd, obfd) |
800eeca4 JW |
4779 | bfd *ibfd, *obfd; |
4780 | { | |
4781 | flagword out_flags; | |
4782 | flagword in_flags; | |
b34976b6 | 4783 | bfd_boolean ok = TRUE; |
800eeca4 JW |
4784 | |
4785 | /* Don't even pretend to support mixed-format linking. */ | |
4786 | if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour | |
4787 | || bfd_get_flavour (obfd) != bfd_target_elf_flavour) | |
b34976b6 | 4788 | return FALSE; |
800eeca4 JW |
4789 | |
4790 | in_flags = elf_elfheader (ibfd)->e_flags; | |
4791 | out_flags = elf_elfheader (obfd)->e_flags; | |
4792 | ||
4793 | if (! elf_flags_init (obfd)) | |
4794 | { | |
b34976b6 | 4795 | elf_flags_init (obfd) = TRUE; |
800eeca4 JW |
4796 | elf_elfheader (obfd)->e_flags = in_flags; |
4797 | ||
4798 | if (bfd_get_arch (obfd) == bfd_get_arch (ibfd) | |
4799 | && bfd_get_arch_info (obfd)->the_default) | |
4800 | { | |
4801 | return bfd_set_arch_mach (obfd, bfd_get_arch (ibfd), | |
4802 | bfd_get_mach (ibfd)); | |
4803 | } | |
4804 | ||
b34976b6 | 4805 | return TRUE; |
800eeca4 JW |
4806 | } |
4807 | ||
4808 | /* Check flag compatibility. */ | |
4809 | if (in_flags == out_flags) | |
b34976b6 | 4810 | return TRUE; |
800eeca4 | 4811 | |
c43c2cc5 JW |
4812 | /* Output has EF_IA_64_REDUCEDFP set only if all inputs have it set. */ |
4813 | if (!(in_flags & EF_IA_64_REDUCEDFP) && (out_flags & EF_IA_64_REDUCEDFP)) | |
4814 | elf_elfheader (obfd)->e_flags &= ~EF_IA_64_REDUCEDFP; | |
4815 | ||
800eeca4 JW |
4816 | if ((in_flags & EF_IA_64_TRAPNIL) != (out_flags & EF_IA_64_TRAPNIL)) |
4817 | { | |
4818 | (*_bfd_error_handler) | |
d003868e AM |
4819 | (_("%B: linking trap-on-NULL-dereference with non-trapping files"), |
4820 | ibfd); | |
800eeca4 JW |
4821 | |
4822 | bfd_set_error (bfd_error_bad_value); | |
b34976b6 | 4823 | ok = FALSE; |
800eeca4 JW |
4824 | } |
4825 | if ((in_flags & EF_IA_64_BE) != (out_flags & EF_IA_64_BE)) | |
4826 | { | |
4827 | (*_bfd_error_handler) | |
d003868e AM |
4828 | (_("%B: linking big-endian files with little-endian files"), |
4829 | ibfd); | |
800eeca4 JW |
4830 | |
4831 | bfd_set_error (bfd_error_bad_value); | |
b34976b6 | 4832 | ok = FALSE; |
800eeca4 JW |
4833 | } |
4834 | if ((in_flags & EF_IA_64_ABI64) != (out_flags & EF_IA_64_ABI64)) | |
4835 | { | |
4836 | (*_bfd_error_handler) | |
d003868e AM |
4837 | (_("%B: linking 64-bit files with 32-bit files"), |
4838 | ibfd); | |
800eeca4 JW |
4839 | |
4840 | bfd_set_error (bfd_error_bad_value); | |
b34976b6 | 4841 | ok = FALSE; |
800eeca4 | 4842 | } |
c43c2cc5 JW |
4843 | if ((in_flags & EF_IA_64_CONS_GP) != (out_flags & EF_IA_64_CONS_GP)) |
4844 | { | |
4845 | (*_bfd_error_handler) | |
d003868e AM |
4846 | (_("%B: linking constant-gp files with non-constant-gp files"), |
4847 | ibfd); | |
c43c2cc5 JW |
4848 | |
4849 | bfd_set_error (bfd_error_bad_value); | |
b34976b6 | 4850 | ok = FALSE; |
c43c2cc5 JW |
4851 | } |
4852 | if ((in_flags & EF_IA_64_NOFUNCDESC_CONS_GP) | |
4853 | != (out_flags & EF_IA_64_NOFUNCDESC_CONS_GP)) | |
4854 | { | |
4855 | (*_bfd_error_handler) | |
d003868e AM |
4856 | (_("%B: linking auto-pic files with non-auto-pic files"), |
4857 | ibfd); | |
c43c2cc5 JW |
4858 | |
4859 | bfd_set_error (bfd_error_bad_value); | |
b34976b6 | 4860 | ok = FALSE; |
c43c2cc5 | 4861 | } |
800eeca4 JW |
4862 | |
4863 | return ok; | |
4864 | } | |
4865 | ||
b34976b6 | 4866 | static bfd_boolean |
bbe66d08 | 4867 | elfNN_ia64_print_private_bfd_data (abfd, ptr) |
800eeca4 JW |
4868 | bfd *abfd; |
4869 | PTR ptr; | |
4870 | { | |
4871 | FILE *file = (FILE *) ptr; | |
4872 | flagword flags = elf_elfheader (abfd)->e_flags; | |
4873 | ||
4874 | BFD_ASSERT (abfd != NULL && ptr != NULL); | |
4875 | ||
c43c2cc5 | 4876 | fprintf (file, "private flags = %s%s%s%s%s%s%s%s\n", |
800eeca4 JW |
4877 | (flags & EF_IA_64_TRAPNIL) ? "TRAPNIL, " : "", |
4878 | (flags & EF_IA_64_EXT) ? "EXT, " : "", | |
4879 | (flags & EF_IA_64_BE) ? "BE, " : "LE, ", | |
c43c2cc5 JW |
4880 | (flags & EF_IA_64_REDUCEDFP) ? "REDUCEDFP, " : "", |
4881 | (flags & EF_IA_64_CONS_GP) ? "CONS_GP, " : "", | |
4882 | (flags & EF_IA_64_NOFUNCDESC_CONS_GP) ? "NOFUNCDESC_CONS_GP, " : "", | |
4883 | (flags & EF_IA_64_ABSOLUTE) ? "ABSOLUTE, " : "", | |
800eeca4 | 4884 | (flags & EF_IA_64_ABI64) ? "ABI64" : "ABI32"); |
3e932841 | 4885 | |
800eeca4 | 4886 | _bfd_elf_print_private_bfd_data (abfd, ptr); |
b34976b6 | 4887 | return TRUE; |
800eeca4 | 4888 | } |
db6751f2 JJ |
4889 | |
4890 | static enum elf_reloc_type_class | |
f51e552e AM |
4891 | elfNN_ia64_reloc_type_class (rela) |
4892 | const Elf_Internal_Rela *rela; | |
db6751f2 | 4893 | { |
f51e552e | 4894 | switch ((int) ELFNN_R_TYPE (rela->r_info)) |
db6751f2 JJ |
4895 | { |
4896 | case R_IA64_REL32MSB: | |
4897 | case R_IA64_REL32LSB: | |
4898 | case R_IA64_REL64MSB: | |
4899 | case R_IA64_REL64LSB: | |
4900 | return reloc_class_relative; | |
4901 | case R_IA64_IPLTMSB: | |
4902 | case R_IA64_IPLTLSB: | |
4903 | return reloc_class_plt; | |
4904 | case R_IA64_COPY: | |
4905 | return reloc_class_copy; | |
4906 | default: | |
4907 | return reloc_class_normal; | |
4908 | } | |
4909 | } | |
fcf12726 | 4910 | |
2f89ff8d L |
4911 | static struct bfd_elf_special_section const elfNN_ia64_special_sections[]= |
4912 | { | |
7dcb9820 AM |
4913 | { ".sbss", 5, -1, SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_IA_64_SHORT }, |
4914 | { ".sdata", 6, -1, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_IA_64_SHORT }, | |
4915 | { NULL, 0, 0, 0, 0 } | |
2f89ff8d L |
4916 | }; |
4917 | ||
da9f89d4 L |
4918 | static bfd_boolean |
4919 | elfNN_ia64_object_p (bfd *abfd) | |
4920 | { | |
4921 | asection *sec; | |
da9f89d4 L |
4922 | asection *group, *unwi, *unw; |
4923 | flagword flags; | |
4924 | const char *name; | |
4925 | char *unwi_name, *unw_name; | |
4926 | bfd_size_type amt; | |
4927 | ||
4928 | if (abfd->flags & DYNAMIC) | |
4929 | return TRUE; | |
4930 | ||
4931 | /* Flags for fake group section. */ | |
4932 | flags = (SEC_LINKER_CREATED | SEC_GROUP | SEC_LINK_ONCE | |
4933 | | SEC_EXCLUDE); | |
4934 | ||
4935 | /* We add a fake section group for each .gnu.linkonce.t.* section, | |
4936 | which isn't in a section group, and its unwind sections. */ | |
4937 | for (sec = abfd->sections; sec != NULL; sec = sec->next) | |
4938 | { | |
4939 | if (elf_sec_group (sec) == NULL | |
4940 | && ((sec->flags & (SEC_LINK_ONCE | SEC_CODE | SEC_GROUP)) | |
4941 | == (SEC_LINK_ONCE | SEC_CODE)) | |
4942 | && strncmp (sec->name, ".gnu.linkonce.t.", 16) == 0) | |
4943 | { | |
4944 | name = sec->name + 16; | |
4945 | ||
4946 | amt = strlen (name) + sizeof (".gnu.linkonce.ia64unwi."); | |
4947 | unwi_name = bfd_alloc (abfd, amt); | |
4948 | if (!unwi_name) | |
4949 | return FALSE; | |
4950 | ||
4951 | strcpy (stpcpy (unwi_name, ".gnu.linkonce.ia64unwi."), name); | |
4952 | unwi = bfd_get_section_by_name (abfd, unwi_name); | |
4953 | ||
4954 | amt = strlen (name) + sizeof (".gnu.linkonce.ia64unw."); | |
4955 | unw_name = bfd_alloc (abfd, amt); | |
4956 | if (!unw_name) | |
4957 | return FALSE; | |
4958 | ||
4959 | strcpy (stpcpy (unw_name, ".gnu.linkonce.ia64unw."), name); | |
4960 | unw = bfd_get_section_by_name (abfd, unw_name); | |
4961 | ||
da9f89d4 L |
4962 | /* We need to create a fake group section for it and its |
4963 | unwind sections. */ | |
3496cb2a L |
4964 | group = bfd_make_section_anyway_with_flags (abfd, name, |
4965 | flags); | |
4966 | if (group == NULL) | |
da9f89d4 L |
4967 | return FALSE; |
4968 | ||
4969 | /* Move the fake group section to the beginning. */ | |
5daa8fe7 | 4970 | bfd_section_list_remove (abfd, group); |
04dd1667 | 4971 | bfd_section_list_prepend (abfd, group); |
da9f89d4 L |
4972 | |
4973 | elf_next_in_group (group) = sec; | |
4974 | ||
4975 | elf_group_name (sec) = name; | |
4976 | elf_next_in_group (sec) = sec; | |
4977 | elf_sec_group (sec) = group; | |
4978 | ||
4979 | if (unwi) | |
4980 | { | |
4981 | elf_group_name (unwi) = name; | |
4982 | elf_next_in_group (unwi) = sec; | |
4983 | elf_next_in_group (sec) = unwi; | |
4984 | elf_sec_group (unwi) = group; | |
4985 | } | |
4986 | ||
4987 | if (unw) | |
4988 | { | |
4989 | elf_group_name (unw) = name; | |
4990 | if (unwi) | |
4991 | { | |
4992 | elf_next_in_group (unw) = elf_next_in_group (unwi); | |
4993 | elf_next_in_group (unwi) = unw; | |
4994 | } | |
4995 | else | |
4996 | { | |
4997 | elf_next_in_group (unw) = sec; | |
4998 | elf_next_in_group (sec) = unw; | |
4999 | } | |
5000 | elf_sec_group (unw) = group; | |
5001 | } | |
5002 | ||
5003 | /* Fake SHT_GROUP section header. */ | |
5004 | elf_section_data (group)->this_hdr.bfd_section = group; | |
5005 | elf_section_data (group)->this_hdr.sh_type = SHT_GROUP; | |
5006 | } | |
5007 | } | |
5008 | return TRUE; | |
5009 | } | |
5010 | ||
b34976b6 | 5011 | static bfd_boolean |
d9cf1b54 AM |
5012 | elfNN_ia64_hpux_vec (const bfd_target *vec) |
5013 | { | |
5014 | extern const bfd_target bfd_elfNN_ia64_hpux_big_vec; | |
5015 | return (vec == & bfd_elfNN_ia64_hpux_big_vec); | |
5016 | } | |
5017 | ||
fcf12726 AM |
5018 | static void |
5019 | elfNN_hpux_post_process_headers (abfd, info) | |
5020 | bfd *abfd; | |
5021 | struct bfd_link_info *info ATTRIBUTE_UNUSED; | |
5022 | { | |
5023 | Elf_Internal_Ehdr *i_ehdrp = elf_elfheader (abfd); | |
5024 | ||
5025 | i_ehdrp->e_ident[EI_OSABI] = ELFOSABI_HPUX; | |
5026 | i_ehdrp->e_ident[EI_ABIVERSION] = 1; | |
5027 | } | |
d9cf1b54 | 5028 | |
b34976b6 | 5029 | bfd_boolean |
af746e92 | 5030 | elfNN_hpux_backend_section_from_bfd_section (abfd, sec, retval) |
d9cf1b54 | 5031 | bfd *abfd ATTRIBUTE_UNUSED; |
d9cf1b54 AM |
5032 | asection *sec; |
5033 | int *retval; | |
5034 | { | |
5035 | if (bfd_is_com_section (sec)) | |
5036 | { | |
5037 | *retval = SHN_IA_64_ANSI_COMMON; | |
b34976b6 | 5038 | return TRUE; |
d9cf1b54 | 5039 | } |
b34976b6 | 5040 | return FALSE; |
d9cf1b54 | 5041 | } |
b59dd4a5 L |
5042 | |
5043 | static void | |
5044 | elfNN_hpux_backend_symbol_processing (bfd *abfd ATTRIBUTE_UNUSED, | |
5045 | asymbol *asym) | |
5046 | { | |
5047 | elf_symbol_type *elfsym = (elf_symbol_type *) asym;; | |
5048 | ||
5049 | switch (elfsym->internal_elf_sym.st_shndx) | |
5050 | { | |
5051 | case SHN_IA_64_ANSI_COMMON: | |
5052 | asym->section = bfd_com_section_ptr; | |
5053 | asym->value = elfsym->internal_elf_sym.st_size; | |
5054 | asym->flags &= ~BSF_GLOBAL; | |
5055 | break; | |
5056 | } | |
5057 | } | |
5058 | ||
800eeca4 | 5059 | \f |
bbe66d08 JW |
5060 | #define TARGET_LITTLE_SYM bfd_elfNN_ia64_little_vec |
5061 | #define TARGET_LITTLE_NAME "elfNN-ia64-little" | |
5062 | #define TARGET_BIG_SYM bfd_elfNN_ia64_big_vec | |
5063 | #define TARGET_BIG_NAME "elfNN-ia64-big" | |
800eeca4 JW |
5064 | #define ELF_ARCH bfd_arch_ia64 |
5065 | #define ELF_MACHINE_CODE EM_IA_64 | |
5066 | #define ELF_MACHINE_ALT1 1999 /* EAS2.3 */ | |
5067 | #define ELF_MACHINE_ALT2 1998 /* EAS2.2 */ | |
5068 | #define ELF_MAXPAGESIZE 0x10000 /* 64KB */ | |
5069 | ||
5070 | #define elf_backend_section_from_shdr \ | |
bbe66d08 | 5071 | elfNN_ia64_section_from_shdr |
fa152c49 | 5072 | #define elf_backend_section_flags \ |
bbe66d08 | 5073 | elfNN_ia64_section_flags |
800eeca4 | 5074 | #define elf_backend_fake_sections \ |
bbe66d08 | 5075 | elfNN_ia64_fake_sections |
81545d45 RH |
5076 | #define elf_backend_final_write_processing \ |
5077 | elfNN_ia64_final_write_processing | |
800eeca4 | 5078 | #define elf_backend_add_symbol_hook \ |
bbe66d08 | 5079 | elfNN_ia64_add_symbol_hook |
800eeca4 | 5080 | #define elf_backend_additional_program_headers \ |
bbe66d08 | 5081 | elfNN_ia64_additional_program_headers |
800eeca4 | 5082 | #define elf_backend_modify_segment_map \ |
bbe66d08 | 5083 | elfNN_ia64_modify_segment_map |
800eeca4 | 5084 | #define elf_info_to_howto \ |
bbe66d08 | 5085 | elfNN_ia64_info_to_howto |
800eeca4 | 5086 | |
bbe66d08 JW |
5087 | #define bfd_elfNN_bfd_reloc_type_lookup \ |
5088 | elfNN_ia64_reloc_type_lookup | |
5089 | #define bfd_elfNN_bfd_is_local_label_name \ | |
5090 | elfNN_ia64_is_local_label_name | |
5091 | #define bfd_elfNN_bfd_relax_section \ | |
5092 | elfNN_ia64_relax_section | |
800eeca4 | 5093 | |
da9f89d4 L |
5094 | #define elf_backend_object_p \ |
5095 | elfNN_ia64_object_p | |
5096 | ||
800eeca4 | 5097 | /* Stuff for the BFD linker: */ |
bbe66d08 JW |
5098 | #define bfd_elfNN_bfd_link_hash_table_create \ |
5099 | elfNN_ia64_hash_table_create | |
0aa92b58 JJ |
5100 | #define bfd_elfNN_bfd_link_hash_table_free \ |
5101 | elfNN_ia64_hash_table_free | |
800eeca4 | 5102 | #define elf_backend_create_dynamic_sections \ |
bbe66d08 | 5103 | elfNN_ia64_create_dynamic_sections |
800eeca4 | 5104 | #define elf_backend_check_relocs \ |
bbe66d08 | 5105 | elfNN_ia64_check_relocs |
800eeca4 | 5106 | #define elf_backend_adjust_dynamic_symbol \ |
bbe66d08 | 5107 | elfNN_ia64_adjust_dynamic_symbol |
800eeca4 | 5108 | #define elf_backend_size_dynamic_sections \ |
bbe66d08 | 5109 | elfNN_ia64_size_dynamic_sections |
800eeca4 | 5110 | #define elf_backend_relocate_section \ |
bbe66d08 | 5111 | elfNN_ia64_relocate_section |
800eeca4 | 5112 | #define elf_backend_finish_dynamic_symbol \ |
bbe66d08 | 5113 | elfNN_ia64_finish_dynamic_symbol |
800eeca4 | 5114 | #define elf_backend_finish_dynamic_sections \ |
bbe66d08 JW |
5115 | elfNN_ia64_finish_dynamic_sections |
5116 | #define bfd_elfNN_bfd_final_link \ | |
5117 | elfNN_ia64_final_link | |
5118 | ||
bbe66d08 JW |
5119 | #define bfd_elfNN_bfd_merge_private_bfd_data \ |
5120 | elfNN_ia64_merge_private_bfd_data | |
5121 | #define bfd_elfNN_bfd_set_private_flags \ | |
5122 | elfNN_ia64_set_private_flags | |
5123 | #define bfd_elfNN_bfd_print_private_bfd_data \ | |
5124 | elfNN_ia64_print_private_bfd_data | |
800eeca4 JW |
5125 | |
5126 | #define elf_backend_plt_readonly 1 | |
5127 | #define elf_backend_want_plt_sym 0 | |
5128 | #define elf_backend_plt_alignment 5 | |
5129 | #define elf_backend_got_header_size 0 | |
800eeca4 JW |
5130 | #define elf_backend_want_got_plt 1 |
5131 | #define elf_backend_may_use_rel_p 1 | |
5132 | #define elf_backend_may_use_rela_p 1 | |
5133 | #define elf_backend_default_use_rela_p 1 | |
5134 | #define elf_backend_want_dynbss 0 | |
bbe66d08 JW |
5135 | #define elf_backend_copy_indirect_symbol elfNN_ia64_hash_copy_indirect |
5136 | #define elf_backend_hide_symbol elfNN_ia64_hash_hide_symbol | |
db6751f2 | 5137 | #define elf_backend_reloc_type_class elfNN_ia64_reloc_type_class |
b491616a | 5138 | #define elf_backend_rela_normal 1 |
2f89ff8d | 5139 | #define elf_backend_special_sections elfNN_ia64_special_sections |
800eeca4 | 5140 | |
185d09ad L |
5141 | /* FIXME: PR 290: The Intel C compiler generates SHT_IA_64_UNWIND with |
5142 | SHF_LINK_ORDER. But it doesn't set theh sh_link or sh_info fields. | |
5143 | We don't want to flood users with so many error messages. We turn | |
5144 | off the warning for now. It will be turned on later when the Intel | |
5145 | compiler is fixed. */ | |
5146 | #define elf_backend_link_order_error_handler NULL | |
5147 | ||
bbe66d08 | 5148 | #include "elfNN-target.h" |
7b6dab7f | 5149 | |
fcf12726 AM |
5150 | /* HPUX-specific vectors. */ |
5151 | ||
5152 | #undef TARGET_LITTLE_SYM | |
5153 | #undef TARGET_LITTLE_NAME | |
5154 | #undef TARGET_BIG_SYM | |
5155 | #define TARGET_BIG_SYM bfd_elfNN_ia64_hpux_big_vec | |
5156 | #undef TARGET_BIG_NAME | |
5157 | #define TARGET_BIG_NAME "elfNN-ia64-hpux-big" | |
5158 | ||
254ed743 NC |
5159 | /* These are HP-UX specific functions. */ |
5160 | ||
fcf12726 AM |
5161 | #undef elf_backend_post_process_headers |
5162 | #define elf_backend_post_process_headers elfNN_hpux_post_process_headers | |
5163 | ||
d9cf1b54 AM |
5164 | #undef elf_backend_section_from_bfd_section |
5165 | #define elf_backend_section_from_bfd_section elfNN_hpux_backend_section_from_bfd_section | |
5166 | ||
b59dd4a5 L |
5167 | #undef elf_backend_symbol_processing |
5168 | #define elf_backend_symbol_processing elfNN_hpux_backend_symbol_processing | |
5169 | ||
5e8d7549 NC |
5170 | #undef elf_backend_want_p_paddr_set_to_zero |
5171 | #define elf_backend_want_p_paddr_set_to_zero 1 | |
5172 | ||
fcf12726 AM |
5173 | #undef ELF_MAXPAGESIZE |
5174 | #define ELF_MAXPAGESIZE 0x1000 /* 1K */ | |
5175 | ||
5176 | #undef elfNN_bed | |
5177 | #define elfNN_bed elfNN_ia64_hpux_bed | |
5178 | ||
5179 | #include "elfNN-target.h" | |
5e8d7549 NC |
5180 | |
5181 | #undef elf_backend_want_p_paddr_set_to_zero |