Commit | Line | Data |
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800eeca4 | 1 | /* IA-64 support for 64-bit ELF |
b2a8e766 AM |
2 | Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004 |
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 | |
20 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 | |
5e8d7549 | 31 | /* THE RULES for all the stuff the linker creates -- |
b34976b6 | 32 | |
5e8d7549 NC |
33 | GOT Entries created in response to LTOFF or LTOFF_FPTR |
34 | relocations. Dynamic relocs created for dynamic | |
35 | symbols in an application; REL relocs for locals | |
36 | in a shared library. | |
b34976b6 | 37 | |
5e8d7549 NC |
38 | FPTR The canonical function descriptor. Created for local |
39 | symbols in applications. Descriptors for dynamic symbols | |
40 | and local symbols in shared libraries are created by | |
41 | ld.so. Thus there are no dynamic relocs against these | |
42 | objects. The FPTR relocs for such _are_ passed through | |
43 | to the dynamic relocation tables. | |
b34976b6 | 44 | |
5e8d7549 NC |
45 | FULL_PLT Created for a PCREL21B relocation against a dynamic symbol. |
46 | Requires the creation of a PLTOFF entry. This does not | |
47 | require any dynamic relocations. | |
b34976b6 | 48 | |
5e8d7549 NC |
49 | PLTOFF Created by PLTOFF relocations. For local symbols, this |
50 | is an alternate function descriptor, and in shared libraries | |
51 | requires two REL relocations. Note that this cannot be | |
52 | transformed into an FPTR relocation, since it must be in | |
53 | range of the GP. For dynamic symbols, this is a function | |
54 | descriptor for a MIN_PLT entry, and requires one IPLT reloc. | |
b34976b6 | 55 | |
5e8d7549 | 56 | MIN_PLT Created by PLTOFF entries against dynamic symbols. This |
4cc11e76 | 57 | does not require dynamic relocations. */ |
800eeca4 | 58 | |
800eeca4 JW |
59 | #define NELEMS(a) ((int) (sizeof (a) / sizeof ((a)[0]))) |
60 | ||
61 | typedef struct bfd_hash_entry *(*new_hash_entry_func) | |
62 | PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *)); | |
63 | ||
64 | /* In dynamically (linker-) created sections, we generally need to keep track | |
65 | of the place a symbol or expression got allocated to. This is done via hash | |
66 | tables that store entries of the following type. */ | |
67 | ||
bbe66d08 | 68 | struct elfNN_ia64_dyn_sym_info |
800eeca4 JW |
69 | { |
70 | /* The addend for which this entry is relevant. */ | |
71 | bfd_vma addend; | |
72 | ||
73 | /* Next addend in the list. */ | |
bbe66d08 | 74 | struct elfNN_ia64_dyn_sym_info *next; |
800eeca4 JW |
75 | |
76 | bfd_vma got_offset; | |
77 | bfd_vma fptr_offset; | |
78 | bfd_vma pltoff_offset; | |
79 | bfd_vma plt_offset; | |
80 | bfd_vma plt2_offset; | |
13ae64f3 JJ |
81 | bfd_vma tprel_offset; |
82 | bfd_vma dtpmod_offset; | |
83 | bfd_vma dtprel_offset; | |
800eeca4 | 84 | |
4cc11e76 | 85 | /* The symbol table entry, if any, that this was derived from. */ |
800eeca4 | 86 | struct elf_link_hash_entry *h; |
3e932841 | 87 | |
800eeca4 JW |
88 | /* Used to count non-got, non-plt relocations for delayed sizing |
89 | of relocation sections. */ | |
bbe66d08 | 90 | struct elfNN_ia64_dyn_reloc_entry |
800eeca4 | 91 | { |
bbe66d08 | 92 | struct elfNN_ia64_dyn_reloc_entry *next; |
800eeca4 JW |
93 | asection *srel; |
94 | int type; | |
95 | int count; | |
ac33696c L |
96 | |
97 | /* Is this reloc against readonly section? */ | |
98 | bfd_boolean reltext; | |
800eeca4 JW |
99 | } *reloc_entries; |
100 | ||
b34976b6 | 101 | /* TRUE when the section contents have been updated. */ |
800eeca4 JW |
102 | unsigned got_done : 1; |
103 | unsigned fptr_done : 1; | |
104 | unsigned pltoff_done : 1; | |
13ae64f3 JJ |
105 | unsigned tprel_done : 1; |
106 | unsigned dtpmod_done : 1; | |
107 | unsigned dtprel_done : 1; | |
800eeca4 | 108 | |
b34976b6 | 109 | /* TRUE for the different kinds of linker data we want created. */ |
800eeca4 | 110 | unsigned want_got : 1; |
2c4c2bc0 | 111 | unsigned want_gotx : 1; |
800eeca4 JW |
112 | unsigned want_fptr : 1; |
113 | unsigned want_ltoff_fptr : 1; | |
114 | unsigned want_plt : 1; | |
115 | unsigned want_plt2 : 1; | |
116 | unsigned want_pltoff : 1; | |
13ae64f3 JJ |
117 | unsigned want_tprel : 1; |
118 | unsigned want_dtpmod : 1; | |
119 | unsigned want_dtprel : 1; | |
800eeca4 JW |
120 | }; |
121 | ||
bbe66d08 | 122 | struct elfNN_ia64_local_hash_entry |
800eeca4 | 123 | { |
0aa92b58 JJ |
124 | int id; |
125 | unsigned int r_sym; | |
bbe66d08 | 126 | struct elfNN_ia64_dyn_sym_info *info; |
f7460f5f | 127 | |
b34976b6 | 128 | /* TRUE if this hash entry's addends was translated for |
f7460f5f JJ |
129 | SHF_MERGE optimization. */ |
130 | unsigned sec_merge_done : 1; | |
800eeca4 JW |
131 | }; |
132 | ||
bbe66d08 | 133 | struct elfNN_ia64_link_hash_entry |
800eeca4 JW |
134 | { |
135 | struct elf_link_hash_entry root; | |
bbe66d08 | 136 | struct elfNN_ia64_dyn_sym_info *info; |
800eeca4 JW |
137 | }; |
138 | ||
bbe66d08 | 139 | struct elfNN_ia64_link_hash_table |
800eeca4 | 140 | { |
5e8d7549 | 141 | /* The main hash table. */ |
800eeca4 JW |
142 | struct elf_link_hash_table root; |
143 | ||
144 | asection *got_sec; /* the linkage table section (or NULL) */ | |
145 | asection *rel_got_sec; /* dynamic relocation section for same */ | |
146 | asection *fptr_sec; /* function descriptor table (or NULL) */ | |
9203ba99 | 147 | asection *rel_fptr_sec; /* dynamic relocation section for same */ |
800eeca4 JW |
148 | asection *plt_sec; /* the primary plt section (or NULL) */ |
149 | asection *pltoff_sec; /* private descriptors for plt (or NULL) */ | |
150 | asection *rel_pltoff_sec; /* dynamic relocation section for same */ | |
151 | ||
152 | bfd_size_type minplt_entries; /* number of minplt entries */ | |
db6751f2 | 153 | unsigned reltext : 1; /* are there relocs against readonly sections? */ |
b3dfd7fe JJ |
154 | unsigned self_dtpmod_done : 1;/* has self DTPMOD entry been finished? */ |
155 | bfd_vma self_dtpmod_offset; /* .got offset to self DTPMOD entry */ | |
800eeca4 | 156 | |
0aa92b58 JJ |
157 | htab_t loc_hash_table; |
158 | void *loc_hash_memory; | |
800eeca4 JW |
159 | }; |
160 | ||
2c4c2bc0 RH |
161 | struct elfNN_ia64_allocate_data |
162 | { | |
163 | struct bfd_link_info *info; | |
164 | bfd_size_type ofs; | |
165 | }; | |
166 | ||
bbe66d08 JW |
167 | #define elfNN_ia64_hash_table(p) \ |
168 | ((struct elfNN_ia64_link_hash_table *) ((p)->hash)) | |
800eeca4 | 169 | |
bbe66d08 | 170 | static bfd_reloc_status_type elfNN_ia64_reloc |
800eeca4 JW |
171 | PARAMS ((bfd *abfd, arelent *reloc, asymbol *sym, PTR data, |
172 | asection *input_section, bfd *output_bfd, char **error_message)); | |
173 | static reloc_howto_type * lookup_howto | |
174 | PARAMS ((unsigned int rtype)); | |
bbe66d08 | 175 | static reloc_howto_type *elfNN_ia64_reloc_type_lookup |
800eeca4 | 176 | PARAMS ((bfd *abfd, bfd_reloc_code_real_type bfd_code)); |
bbe66d08 | 177 | static void elfNN_ia64_info_to_howto |
947216bf | 178 | PARAMS ((bfd *abfd, arelent *bfd_reloc, Elf_Internal_Rela *elf_reloc)); |
b34976b6 | 179 | static bfd_boolean elfNN_ia64_relax_section |
748abff6 | 180 | PARAMS((bfd *abfd, asection *sec, struct bfd_link_info *link_info, |
b34976b6 | 181 | bfd_boolean *again)); |
2c4c2bc0 | 182 | static void elfNN_ia64_relax_ldxmov |
bbb268c3 | 183 | PARAMS((bfd_byte *contents, bfd_vma off)); |
b34976b6 | 184 | static bfd_boolean is_unwind_section_name |
d9cf1b54 | 185 | PARAMS ((bfd *abfd, const char *)); |
b34976b6 | 186 | static bfd_boolean elfNN_ia64_section_from_shdr |
947216bf | 187 | PARAMS ((bfd *, Elf_Internal_Shdr *, const char *)); |
b34976b6 | 188 | static bfd_boolean elfNN_ia64_section_flags |
1829f4b2 | 189 | PARAMS ((flagword *, const Elf_Internal_Shdr *)); |
b34976b6 | 190 | static bfd_boolean elfNN_ia64_fake_sections |
947216bf | 191 | PARAMS ((bfd *abfd, Elf_Internal_Shdr *hdr, asection *sec)); |
81545d45 | 192 | static void elfNN_ia64_final_write_processing |
b34976b6 AM |
193 | PARAMS ((bfd *abfd, bfd_boolean linker)); |
194 | static bfd_boolean elfNN_ia64_add_symbol_hook | |
555cd476 | 195 | PARAMS ((bfd *abfd, struct bfd_link_info *info, Elf_Internal_Sym *sym, |
800eeca4 JW |
196 | const char **namep, flagword *flagsp, asection **secp, |
197 | bfd_vma *valp)); | |
bbe66d08 | 198 | static int elfNN_ia64_additional_program_headers |
800eeca4 | 199 | PARAMS ((bfd *abfd)); |
b34976b6 | 200 | static bfd_boolean elfNN_ia64_modify_segment_map |
c84fca4d | 201 | PARAMS ((bfd *, struct bfd_link_info *)); |
b34976b6 | 202 | static bfd_boolean elfNN_ia64_is_local_label_name |
800eeca4 | 203 | PARAMS ((bfd *abfd, const char *name)); |
b34976b6 | 204 | static bfd_boolean elfNN_ia64_dynamic_symbol_p |
986a241f | 205 | PARAMS ((struct elf_link_hash_entry *h, struct bfd_link_info *info, int)); |
bbe66d08 | 206 | static struct bfd_hash_entry *elfNN_ia64_new_elf_hash_entry |
800eeca4 JW |
207 | PARAMS ((struct bfd_hash_entry *entry, struct bfd_hash_table *table, |
208 | const char *string)); | |
cea4409c | 209 | static void elfNN_ia64_hash_copy_indirect |
9c5bfbb7 | 210 | PARAMS ((const struct elf_backend_data *, struct elf_link_hash_entry *, |
b48fa14c | 211 | struct elf_link_hash_entry *)); |
cea4409c | 212 | static void elfNN_ia64_hash_hide_symbol |
b34976b6 | 213 | PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *, bfd_boolean)); |
0aa92b58 JJ |
214 | static hashval_t elfNN_ia64_local_htab_hash PARAMS ((const void *)); |
215 | static int elfNN_ia64_local_htab_eq PARAMS ((const void *ptr1, | |
216 | const void *ptr2)); | |
bbe66d08 | 217 | static struct bfd_link_hash_table *elfNN_ia64_hash_table_create |
800eeca4 | 218 | PARAMS ((bfd *abfd)); |
0aa92b58 JJ |
219 | static void elfNN_ia64_hash_table_free |
220 | PARAMS ((struct bfd_link_hash_table *hash)); | |
b34976b6 | 221 | static bfd_boolean elfNN_ia64_global_dyn_sym_thunk |
cea4409c | 222 | PARAMS ((struct bfd_hash_entry *, PTR)); |
0aa92b58 JJ |
223 | static int elfNN_ia64_local_dyn_sym_thunk |
224 | PARAMS ((void **, PTR)); | |
bbe66d08 JW |
225 | static void elfNN_ia64_dyn_sym_traverse |
226 | PARAMS ((struct elfNN_ia64_link_hash_table *ia64_info, | |
b34976b6 | 227 | bfd_boolean (*func) (struct elfNN_ia64_dyn_sym_info *, PTR), |
800eeca4 | 228 | PTR info)); |
b34976b6 | 229 | static bfd_boolean elfNN_ia64_create_dynamic_sections |
800eeca4 | 230 | PARAMS ((bfd *abfd, struct bfd_link_info *info)); |
f7460f5f JJ |
231 | static struct elfNN_ia64_local_hash_entry * get_local_sym_hash |
232 | PARAMS ((struct elfNN_ia64_link_hash_table *ia64_info, | |
b34976b6 | 233 | bfd *abfd, const Elf_Internal_Rela *rel, bfd_boolean create)); |
bbe66d08 JW |
234 | static struct elfNN_ia64_dyn_sym_info * get_dyn_sym_info |
235 | PARAMS ((struct elfNN_ia64_link_hash_table *ia64_info, | |
800eeca4 | 236 | struct elf_link_hash_entry *h, |
b34976b6 | 237 | bfd *abfd, const Elf_Internal_Rela *rel, bfd_boolean create)); |
800eeca4 JW |
238 | static asection *get_got |
239 | PARAMS ((bfd *abfd, struct bfd_link_info *info, | |
bbe66d08 | 240 | struct elfNN_ia64_link_hash_table *ia64_info)); |
800eeca4 JW |
241 | static asection *get_fptr |
242 | PARAMS ((bfd *abfd, struct bfd_link_info *info, | |
bbe66d08 | 243 | struct elfNN_ia64_link_hash_table *ia64_info)); |
800eeca4 JW |
244 | static asection *get_pltoff |
245 | PARAMS ((bfd *abfd, struct bfd_link_info *info, | |
bbe66d08 | 246 | struct elfNN_ia64_link_hash_table *ia64_info)); |
800eeca4 | 247 | static asection *get_reloc_section |
bbe66d08 | 248 | PARAMS ((bfd *abfd, struct elfNN_ia64_link_hash_table *ia64_info, |
b34976b6 | 249 | asection *sec, bfd_boolean create)); |
b34976b6 | 250 | static bfd_boolean elfNN_ia64_check_relocs |
800eeca4 JW |
251 | PARAMS ((bfd *abfd, struct bfd_link_info *info, asection *sec, |
252 | const Elf_Internal_Rela *relocs)); | |
b34976b6 | 253 | static bfd_boolean elfNN_ia64_adjust_dynamic_symbol |
800eeca4 | 254 | PARAMS ((struct bfd_link_info *info, struct elf_link_hash_entry *h)); |
dc810e39 | 255 | static long global_sym_index |
800eeca4 | 256 | PARAMS ((struct elf_link_hash_entry *h)); |
b34976b6 | 257 | static bfd_boolean allocate_fptr |
bbe66d08 | 258 | PARAMS ((struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data)); |
b34976b6 | 259 | static bfd_boolean allocate_global_data_got |
bbe66d08 | 260 | PARAMS ((struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data)); |
b34976b6 | 261 | static bfd_boolean allocate_global_fptr_got |
bbe66d08 | 262 | PARAMS ((struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data)); |
b34976b6 | 263 | static bfd_boolean allocate_local_got |
bbe66d08 | 264 | PARAMS ((struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data)); |
b34976b6 | 265 | static bfd_boolean allocate_pltoff_entries |
bbe66d08 | 266 | PARAMS ((struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data)); |
b34976b6 | 267 | static bfd_boolean allocate_plt_entries |
bbe66d08 | 268 | PARAMS ((struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data)); |
b34976b6 | 269 | static bfd_boolean allocate_plt2_entries |
bbe66d08 | 270 | PARAMS ((struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data)); |
b34976b6 | 271 | static bfd_boolean allocate_dynrel_entries |
bbe66d08 | 272 | PARAMS ((struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data)); |
b34976b6 | 273 | static bfd_boolean elfNN_ia64_size_dynamic_sections |
800eeca4 | 274 | PARAMS ((bfd *output_bfd, struct bfd_link_info *info)); |
bbe66d08 | 275 | static bfd_reloc_status_type elfNN_ia64_install_value |
bbb268c3 | 276 | PARAMS ((bfd_byte *hit_addr, bfd_vma val, unsigned int r_type)); |
bbe66d08 | 277 | static void elfNN_ia64_install_dyn_reloc |
800eeca4 JW |
278 | PARAMS ((bfd *abfd, struct bfd_link_info *info, asection *sec, |
279 | asection *srel, bfd_vma offset, unsigned int type, | |
280 | long dynindx, bfd_vma addend)); | |
281 | static bfd_vma set_got_entry | |
282 | PARAMS ((bfd *abfd, struct bfd_link_info *info, | |
bbe66d08 | 283 | struct elfNN_ia64_dyn_sym_info *dyn_i, long dynindx, |
800eeca4 JW |
284 | bfd_vma addend, bfd_vma value, unsigned int dyn_r_type)); |
285 | static bfd_vma set_fptr_entry | |
286 | PARAMS ((bfd *abfd, struct bfd_link_info *info, | |
bbe66d08 | 287 | struct elfNN_ia64_dyn_sym_info *dyn_i, |
800eeca4 JW |
288 | bfd_vma value)); |
289 | static bfd_vma set_pltoff_entry | |
290 | PARAMS ((bfd *abfd, struct bfd_link_info *info, | |
bbe66d08 | 291 | struct elfNN_ia64_dyn_sym_info *dyn_i, |
b34976b6 | 292 | bfd_vma value, bfd_boolean)); |
13ae64f3 JJ |
293 | static bfd_vma elfNN_ia64_tprel_base |
294 | PARAMS ((struct bfd_link_info *info)); | |
295 | static bfd_vma elfNN_ia64_dtprel_base | |
296 | PARAMS ((struct bfd_link_info *info)); | |
cea4409c AM |
297 | static int elfNN_ia64_unwind_entry_compare |
298 | PARAMS ((const PTR, const PTR)); | |
2c4c2bc0 RH |
299 | static bfd_boolean elfNN_ia64_choose_gp |
300 | PARAMS ((bfd *abfd, struct bfd_link_info *info)); | |
b34976b6 | 301 | static bfd_boolean elfNN_ia64_final_link |
800eeca4 | 302 | PARAMS ((bfd *abfd, struct bfd_link_info *info)); |
b34976b6 | 303 | static bfd_boolean elfNN_ia64_relocate_section |
800eeca4 JW |
304 | PARAMS ((bfd *output_bfd, struct bfd_link_info *info, bfd *input_bfd, |
305 | asection *input_section, bfd_byte *contents, | |
306 | Elf_Internal_Rela *relocs, Elf_Internal_Sym *local_syms, | |
307 | asection **local_sections)); | |
b34976b6 | 308 | static bfd_boolean elfNN_ia64_finish_dynamic_symbol |
800eeca4 JW |
309 | PARAMS ((bfd *output_bfd, struct bfd_link_info *info, |
310 | struct elf_link_hash_entry *h, Elf_Internal_Sym *sym)); | |
b34976b6 | 311 | static bfd_boolean elfNN_ia64_finish_dynamic_sections |
800eeca4 | 312 | PARAMS ((bfd *abfd, struct bfd_link_info *info)); |
b34976b6 | 313 | static bfd_boolean elfNN_ia64_set_private_flags |
800eeca4 | 314 | PARAMS ((bfd *abfd, flagword flags)); |
b34976b6 | 315 | static bfd_boolean elfNN_ia64_merge_private_bfd_data |
800eeca4 | 316 | PARAMS ((bfd *ibfd, bfd *obfd)); |
b34976b6 | 317 | static bfd_boolean elfNN_ia64_print_private_bfd_data |
800eeca4 | 318 | PARAMS ((bfd *abfd, PTR ptr)); |
db6751f2 | 319 | static enum elf_reloc_type_class elfNN_ia64_reloc_type_class |
f51e552e | 320 | PARAMS ((const Elf_Internal_Rela *)); |
b34976b6 | 321 | static bfd_boolean elfNN_ia64_hpux_vec |
d9cf1b54 | 322 | PARAMS ((const bfd_target *vec)); |
fcf12726 AM |
323 | static void elfNN_hpux_post_process_headers |
324 | PARAMS ((bfd *abfd, struct bfd_link_info *info)); | |
b34976b6 | 325 | bfd_boolean elfNN_hpux_backend_section_from_bfd_section |
af746e92 | 326 | PARAMS ((bfd *abfd, asection *sec, int *retval)); |
800eeca4 | 327 | \f |
5e8d7549 | 328 | /* ia64-specific relocation. */ |
800eeca4 JW |
329 | |
330 | /* Perform a relocation. Not much to do here as all the hard work is | |
bbe66d08 | 331 | done in elfNN_ia64_final_link_relocate. */ |
800eeca4 | 332 | static bfd_reloc_status_type |
bbe66d08 | 333 | elfNN_ia64_reloc (abfd, reloc, sym, data, input_section, |
800eeca4 | 334 | output_bfd, error_message) |
64bf6ae6 | 335 | bfd *abfd ATTRIBUTE_UNUSED; |
800eeca4 | 336 | arelent *reloc; |
64bf6ae6 JW |
337 | asymbol *sym ATTRIBUTE_UNUSED; |
338 | PTR data ATTRIBUTE_UNUSED; | |
800eeca4 JW |
339 | asection *input_section; |
340 | bfd *output_bfd; | |
341 | char **error_message; | |
342 | { | |
343 | if (output_bfd) | |
344 | { | |
345 | reloc->address += input_section->output_offset; | |
346 | return bfd_reloc_ok; | |
347 | } | |
6e84a906 DJ |
348 | |
349 | if (input_section->flags & SEC_DEBUGGING) | |
350 | return bfd_reloc_continue; | |
351 | ||
bbe66d08 | 352 | *error_message = "Unsupported call to elfNN_ia64_reloc"; |
800eeca4 JW |
353 | return bfd_reloc_notsupported; |
354 | } | |
355 | ||
356 | #define IA64_HOWTO(TYPE, NAME, SIZE, PCREL, IN) \ | |
357 | HOWTO (TYPE, 0, SIZE, 0, PCREL, 0, complain_overflow_signed, \ | |
eff26f78 | 358 | elfNN_ia64_reloc, NAME, FALSE, 0, -1, IN) |
800eeca4 JW |
359 | |
360 | /* This table has to be sorted according to increasing number of the | |
361 | TYPE field. */ | |
362 | static reloc_howto_type ia64_howto_table[] = | |
363 | { | |
b34976b6 AM |
364 | IA64_HOWTO (R_IA64_NONE, "NONE", 0, FALSE, TRUE), |
365 | ||
366 | IA64_HOWTO (R_IA64_IMM14, "IMM14", 0, FALSE, TRUE), | |
367 | IA64_HOWTO (R_IA64_IMM22, "IMM22", 0, FALSE, TRUE), | |
368 | IA64_HOWTO (R_IA64_IMM64, "IMM64", 0, FALSE, TRUE), | |
369 | IA64_HOWTO (R_IA64_DIR32MSB, "DIR32MSB", 2, FALSE, TRUE), | |
370 | IA64_HOWTO (R_IA64_DIR32LSB, "DIR32LSB", 2, FALSE, TRUE), | |
371 | IA64_HOWTO (R_IA64_DIR64MSB, "DIR64MSB", 4, FALSE, TRUE), | |
372 | IA64_HOWTO (R_IA64_DIR64LSB, "DIR64LSB", 4, FALSE, TRUE), | |
373 | ||
374 | IA64_HOWTO (R_IA64_GPREL22, "GPREL22", 0, FALSE, TRUE), | |
375 | IA64_HOWTO (R_IA64_GPREL64I, "GPREL64I", 0, FALSE, TRUE), | |
376 | IA64_HOWTO (R_IA64_GPREL32MSB, "GPREL32MSB", 2, FALSE, TRUE), | |
377 | IA64_HOWTO (R_IA64_GPREL32LSB, "GPREL32LSB", 2, FALSE, TRUE), | |
378 | IA64_HOWTO (R_IA64_GPREL64MSB, "GPREL64MSB", 4, FALSE, TRUE), | |
379 | IA64_HOWTO (R_IA64_GPREL64LSB, "GPREL64LSB", 4, FALSE, TRUE), | |
380 | ||
381 | IA64_HOWTO (R_IA64_LTOFF22, "LTOFF22", 0, FALSE, TRUE), | |
382 | IA64_HOWTO (R_IA64_LTOFF64I, "LTOFF64I", 0, FALSE, TRUE), | |
383 | ||
384 | IA64_HOWTO (R_IA64_PLTOFF22, "PLTOFF22", 0, FALSE, TRUE), | |
385 | IA64_HOWTO (R_IA64_PLTOFF64I, "PLTOFF64I", 0, FALSE, TRUE), | |
386 | IA64_HOWTO (R_IA64_PLTOFF64MSB, "PLTOFF64MSB", 4, FALSE, TRUE), | |
387 | IA64_HOWTO (R_IA64_PLTOFF64LSB, "PLTOFF64LSB", 4, FALSE, TRUE), | |
388 | ||
389 | IA64_HOWTO (R_IA64_FPTR64I, "FPTR64I", 0, FALSE, TRUE), | |
390 | IA64_HOWTO (R_IA64_FPTR32MSB, "FPTR32MSB", 2, FALSE, TRUE), | |
391 | IA64_HOWTO (R_IA64_FPTR32LSB, "FPTR32LSB", 2, FALSE, TRUE), | |
392 | IA64_HOWTO (R_IA64_FPTR64MSB, "FPTR64MSB", 4, FALSE, TRUE), | |
393 | IA64_HOWTO (R_IA64_FPTR64LSB, "FPTR64LSB", 4, FALSE, TRUE), | |
394 | ||
395 | IA64_HOWTO (R_IA64_PCREL60B, "PCREL60B", 0, TRUE, TRUE), | |
396 | IA64_HOWTO (R_IA64_PCREL21B, "PCREL21B", 0, TRUE, TRUE), | |
397 | IA64_HOWTO (R_IA64_PCREL21M, "PCREL21M", 0, TRUE, TRUE), | |
398 | IA64_HOWTO (R_IA64_PCREL21F, "PCREL21F", 0, TRUE, TRUE), | |
399 | IA64_HOWTO (R_IA64_PCREL32MSB, "PCREL32MSB", 2, TRUE, TRUE), | |
400 | IA64_HOWTO (R_IA64_PCREL32LSB, "PCREL32LSB", 2, TRUE, TRUE), | |
401 | IA64_HOWTO (R_IA64_PCREL64MSB, "PCREL64MSB", 4, TRUE, TRUE), | |
402 | IA64_HOWTO (R_IA64_PCREL64LSB, "PCREL64LSB", 4, TRUE, TRUE), | |
403 | ||
404 | IA64_HOWTO (R_IA64_LTOFF_FPTR22, "LTOFF_FPTR22", 0, FALSE, TRUE), | |
405 | IA64_HOWTO (R_IA64_LTOFF_FPTR64I, "LTOFF_FPTR64I", 0, FALSE, TRUE), | |
406 | IA64_HOWTO (R_IA64_LTOFF_FPTR32MSB, "LTOFF_FPTR32MSB", 2, FALSE, TRUE), | |
407 | IA64_HOWTO (R_IA64_LTOFF_FPTR32LSB, "LTOFF_FPTR32LSB", 2, FALSE, TRUE), | |
408 | IA64_HOWTO (R_IA64_LTOFF_FPTR64MSB, "LTOFF_FPTR64MSB", 4, FALSE, TRUE), | |
409 | IA64_HOWTO (R_IA64_LTOFF_FPTR64LSB, "LTOFF_FPTR64LSB", 4, FALSE, TRUE), | |
410 | ||
411 | IA64_HOWTO (R_IA64_SEGREL32MSB, "SEGREL32MSB", 2, FALSE, TRUE), | |
412 | IA64_HOWTO (R_IA64_SEGREL32LSB, "SEGREL32LSB", 2, FALSE, TRUE), | |
413 | IA64_HOWTO (R_IA64_SEGREL64MSB, "SEGREL64MSB", 4, FALSE, TRUE), | |
414 | IA64_HOWTO (R_IA64_SEGREL64LSB, "SEGREL64LSB", 4, FALSE, TRUE), | |
415 | ||
416 | IA64_HOWTO (R_IA64_SECREL32MSB, "SECREL32MSB", 2, FALSE, TRUE), | |
417 | IA64_HOWTO (R_IA64_SECREL32LSB, "SECREL32LSB", 2, FALSE, TRUE), | |
418 | IA64_HOWTO (R_IA64_SECREL64MSB, "SECREL64MSB", 4, FALSE, TRUE), | |
419 | IA64_HOWTO (R_IA64_SECREL64LSB, "SECREL64LSB", 4, FALSE, TRUE), | |
420 | ||
421 | IA64_HOWTO (R_IA64_REL32MSB, "REL32MSB", 2, FALSE, TRUE), | |
422 | IA64_HOWTO (R_IA64_REL32LSB, "REL32LSB", 2, FALSE, TRUE), | |
423 | IA64_HOWTO (R_IA64_REL64MSB, "REL64MSB", 4, FALSE, TRUE), | |
424 | IA64_HOWTO (R_IA64_REL64LSB, "REL64LSB", 4, FALSE, TRUE), | |
425 | ||
426 | IA64_HOWTO (R_IA64_LTV32MSB, "LTV32MSB", 2, FALSE, TRUE), | |
427 | IA64_HOWTO (R_IA64_LTV32LSB, "LTV32LSB", 2, FALSE, TRUE), | |
428 | IA64_HOWTO (R_IA64_LTV64MSB, "LTV64MSB", 4, FALSE, TRUE), | |
429 | IA64_HOWTO (R_IA64_LTV64LSB, "LTV64LSB", 4, FALSE, TRUE), | |
430 | ||
431 | IA64_HOWTO (R_IA64_PCREL21BI, "PCREL21BI", 0, TRUE, TRUE), | |
432 | IA64_HOWTO (R_IA64_PCREL22, "PCREL22", 0, TRUE, TRUE), | |
433 | IA64_HOWTO (R_IA64_PCREL64I, "PCREL64I", 0, TRUE, TRUE), | |
434 | ||
435 | IA64_HOWTO (R_IA64_IPLTMSB, "IPLTMSB", 4, FALSE, TRUE), | |
436 | IA64_HOWTO (R_IA64_IPLTLSB, "IPLTLSB", 4, FALSE, TRUE), | |
437 | IA64_HOWTO (R_IA64_COPY, "COPY", 4, FALSE, TRUE), | |
438 | IA64_HOWTO (R_IA64_LTOFF22X, "LTOFF22X", 0, FALSE, TRUE), | |
439 | IA64_HOWTO (R_IA64_LDXMOV, "LDXMOV", 0, FALSE, TRUE), | |
440 | ||
441 | IA64_HOWTO (R_IA64_TPREL14, "TPREL14", 0, FALSE, FALSE), | |
442 | IA64_HOWTO (R_IA64_TPREL22, "TPREL22", 0, FALSE, FALSE), | |
443 | IA64_HOWTO (R_IA64_TPREL64I, "TPREL64I", 0, FALSE, FALSE), | |
1fc0d173 JJ |
444 | IA64_HOWTO (R_IA64_TPREL64MSB, "TPREL64MSB", 4, FALSE, FALSE), |
445 | IA64_HOWTO (R_IA64_TPREL64LSB, "TPREL64LSB", 4, FALSE, FALSE), | |
b34976b6 AM |
446 | IA64_HOWTO (R_IA64_LTOFF_TPREL22, "LTOFF_TPREL22", 0, FALSE, FALSE), |
447 | ||
1fc0d173 JJ |
448 | IA64_HOWTO (R_IA64_DTPMOD64MSB, "TPREL64MSB", 4, FALSE, FALSE), |
449 | IA64_HOWTO (R_IA64_DTPMOD64LSB, "TPREL64LSB", 4, FALSE, FALSE), | |
b34976b6 AM |
450 | IA64_HOWTO (R_IA64_LTOFF_DTPMOD22, "LTOFF_DTPMOD22", 0, FALSE, FALSE), |
451 | ||
452 | IA64_HOWTO (R_IA64_DTPREL14, "DTPREL14", 0, FALSE, FALSE), | |
453 | IA64_HOWTO (R_IA64_DTPREL22, "DTPREL22", 0, FALSE, FALSE), | |
454 | IA64_HOWTO (R_IA64_DTPREL64I, "DTPREL64I", 0, FALSE, FALSE), | |
1fc0d173 JJ |
455 | IA64_HOWTO (R_IA64_DTPREL32MSB, "DTPREL32MSB", 2, FALSE, FALSE), |
456 | IA64_HOWTO (R_IA64_DTPREL32LSB, "DTPREL32LSB", 2, FALSE, FALSE), | |
457 | IA64_HOWTO (R_IA64_DTPREL64MSB, "DTPREL64MSB", 4, FALSE, FALSE), | |
458 | IA64_HOWTO (R_IA64_DTPREL64LSB, "DTPREL64LSB", 4, FALSE, FALSE), | |
b34976b6 | 459 | IA64_HOWTO (R_IA64_LTOFF_DTPREL22, "LTOFF_DTPREL22", 0, FALSE, FALSE), |
800eeca4 JW |
460 | }; |
461 | ||
462 | static unsigned char elf_code_to_howto_index[R_IA64_MAX_RELOC_CODE + 1]; | |
463 | ||
464 | /* Given a BFD reloc type, return the matching HOWTO structure. */ | |
465 | ||
5e8d7549 | 466 | static reloc_howto_type * |
800eeca4 JW |
467 | lookup_howto (rtype) |
468 | unsigned int rtype; | |
469 | { | |
470 | static int inited = 0; | |
471 | int i; | |
472 | ||
473 | if (!inited) | |
474 | { | |
475 | inited = 1; | |
476 | ||
477 | memset (elf_code_to_howto_index, 0xff, sizeof (elf_code_to_howto_index)); | |
478 | for (i = 0; i < NELEMS (ia64_howto_table); ++i) | |
479 | elf_code_to_howto_index[ia64_howto_table[i].type] = i; | |
480 | } | |
481 | ||
482 | BFD_ASSERT (rtype <= R_IA64_MAX_RELOC_CODE); | |
483 | i = elf_code_to_howto_index[rtype]; | |
484 | if (i >= NELEMS (ia64_howto_table)) | |
485 | return 0; | |
486 | return ia64_howto_table + i; | |
487 | } | |
488 | ||
489 | static reloc_howto_type* | |
bbe66d08 | 490 | elfNN_ia64_reloc_type_lookup (abfd, bfd_code) |
64bf6ae6 | 491 | bfd *abfd ATTRIBUTE_UNUSED; |
800eeca4 JW |
492 | bfd_reloc_code_real_type bfd_code; |
493 | { | |
494 | unsigned int rtype; | |
495 | ||
496 | switch (bfd_code) | |
497 | { | |
498 | case BFD_RELOC_NONE: rtype = R_IA64_NONE; break; | |
499 | ||
500 | case BFD_RELOC_IA64_IMM14: rtype = R_IA64_IMM14; break; | |
501 | case BFD_RELOC_IA64_IMM22: rtype = R_IA64_IMM22; break; | |
502 | case BFD_RELOC_IA64_IMM64: rtype = R_IA64_IMM64; break; | |
503 | ||
504 | case BFD_RELOC_IA64_DIR32MSB: rtype = R_IA64_DIR32MSB; break; | |
505 | case BFD_RELOC_IA64_DIR32LSB: rtype = R_IA64_DIR32LSB; break; | |
506 | case BFD_RELOC_IA64_DIR64MSB: rtype = R_IA64_DIR64MSB; break; | |
507 | case BFD_RELOC_IA64_DIR64LSB: rtype = R_IA64_DIR64LSB; break; | |
508 | ||
509 | case BFD_RELOC_IA64_GPREL22: rtype = R_IA64_GPREL22; break; | |
510 | case BFD_RELOC_IA64_GPREL64I: rtype = R_IA64_GPREL64I; break; | |
511 | case BFD_RELOC_IA64_GPREL32MSB: rtype = R_IA64_GPREL32MSB; break; | |
512 | case BFD_RELOC_IA64_GPREL32LSB: rtype = R_IA64_GPREL32LSB; break; | |
513 | case BFD_RELOC_IA64_GPREL64MSB: rtype = R_IA64_GPREL64MSB; break; | |
514 | case BFD_RELOC_IA64_GPREL64LSB: rtype = R_IA64_GPREL64LSB; break; | |
515 | ||
516 | case BFD_RELOC_IA64_LTOFF22: rtype = R_IA64_LTOFF22; break; | |
517 | case BFD_RELOC_IA64_LTOFF64I: rtype = R_IA64_LTOFF64I; break; | |
518 | ||
519 | case BFD_RELOC_IA64_PLTOFF22: rtype = R_IA64_PLTOFF22; break; | |
520 | case BFD_RELOC_IA64_PLTOFF64I: rtype = R_IA64_PLTOFF64I; break; | |
521 | case BFD_RELOC_IA64_PLTOFF64MSB: rtype = R_IA64_PLTOFF64MSB; break; | |
522 | case BFD_RELOC_IA64_PLTOFF64LSB: rtype = R_IA64_PLTOFF64LSB; break; | |
523 | case BFD_RELOC_IA64_FPTR64I: rtype = R_IA64_FPTR64I; break; | |
524 | case BFD_RELOC_IA64_FPTR32MSB: rtype = R_IA64_FPTR32MSB; break; | |
525 | case BFD_RELOC_IA64_FPTR32LSB: rtype = R_IA64_FPTR32LSB; break; | |
526 | case BFD_RELOC_IA64_FPTR64MSB: rtype = R_IA64_FPTR64MSB; break; | |
527 | case BFD_RELOC_IA64_FPTR64LSB: rtype = R_IA64_FPTR64LSB; break; | |
528 | ||
529 | case BFD_RELOC_IA64_PCREL21B: rtype = R_IA64_PCREL21B; break; | |
748abff6 | 530 | case BFD_RELOC_IA64_PCREL21BI: rtype = R_IA64_PCREL21BI; break; |
800eeca4 JW |
531 | case BFD_RELOC_IA64_PCREL21M: rtype = R_IA64_PCREL21M; break; |
532 | case BFD_RELOC_IA64_PCREL21F: rtype = R_IA64_PCREL21F; break; | |
748abff6 RH |
533 | case BFD_RELOC_IA64_PCREL22: rtype = R_IA64_PCREL22; break; |
534 | case BFD_RELOC_IA64_PCREL60B: rtype = R_IA64_PCREL60B; break; | |
535 | case BFD_RELOC_IA64_PCREL64I: rtype = R_IA64_PCREL64I; break; | |
800eeca4 JW |
536 | case BFD_RELOC_IA64_PCREL32MSB: rtype = R_IA64_PCREL32MSB; break; |
537 | case BFD_RELOC_IA64_PCREL32LSB: rtype = R_IA64_PCREL32LSB; break; | |
538 | case BFD_RELOC_IA64_PCREL64MSB: rtype = R_IA64_PCREL64MSB; break; | |
539 | case BFD_RELOC_IA64_PCREL64LSB: rtype = R_IA64_PCREL64LSB; break; | |
540 | ||
541 | case BFD_RELOC_IA64_LTOFF_FPTR22: rtype = R_IA64_LTOFF_FPTR22; break; | |
542 | case BFD_RELOC_IA64_LTOFF_FPTR64I: rtype = R_IA64_LTOFF_FPTR64I; break; | |
a4bd8390 JW |
543 | case BFD_RELOC_IA64_LTOFF_FPTR32MSB: rtype = R_IA64_LTOFF_FPTR32MSB; break; |
544 | case BFD_RELOC_IA64_LTOFF_FPTR32LSB: rtype = R_IA64_LTOFF_FPTR32LSB; break; | |
800eeca4 JW |
545 | case BFD_RELOC_IA64_LTOFF_FPTR64MSB: rtype = R_IA64_LTOFF_FPTR64MSB; break; |
546 | case BFD_RELOC_IA64_LTOFF_FPTR64LSB: rtype = R_IA64_LTOFF_FPTR64LSB; break; | |
547 | ||
800eeca4 JW |
548 | case BFD_RELOC_IA64_SEGREL32MSB: rtype = R_IA64_SEGREL32MSB; break; |
549 | case BFD_RELOC_IA64_SEGREL32LSB: rtype = R_IA64_SEGREL32LSB; break; | |
550 | case BFD_RELOC_IA64_SEGREL64MSB: rtype = R_IA64_SEGREL64MSB; break; | |
551 | case BFD_RELOC_IA64_SEGREL64LSB: rtype = R_IA64_SEGREL64LSB; break; | |
552 | ||
553 | case BFD_RELOC_IA64_SECREL32MSB: rtype = R_IA64_SECREL32MSB; break; | |
554 | case BFD_RELOC_IA64_SECREL32LSB: rtype = R_IA64_SECREL32LSB; break; | |
555 | case BFD_RELOC_IA64_SECREL64MSB: rtype = R_IA64_SECREL64MSB; break; | |
556 | case BFD_RELOC_IA64_SECREL64LSB: rtype = R_IA64_SECREL64LSB; break; | |
557 | ||
558 | case BFD_RELOC_IA64_REL32MSB: rtype = R_IA64_REL32MSB; break; | |
559 | case BFD_RELOC_IA64_REL32LSB: rtype = R_IA64_REL32LSB; break; | |
560 | case BFD_RELOC_IA64_REL64MSB: rtype = R_IA64_REL64MSB; break; | |
561 | case BFD_RELOC_IA64_REL64LSB: rtype = R_IA64_REL64LSB; break; | |
562 | ||
563 | case BFD_RELOC_IA64_LTV32MSB: rtype = R_IA64_LTV32MSB; break; | |
564 | case BFD_RELOC_IA64_LTV32LSB: rtype = R_IA64_LTV32LSB; break; | |
565 | case BFD_RELOC_IA64_LTV64MSB: rtype = R_IA64_LTV64MSB; break; | |
566 | case BFD_RELOC_IA64_LTV64LSB: rtype = R_IA64_LTV64LSB; break; | |
567 | ||
568 | case BFD_RELOC_IA64_IPLTMSB: rtype = R_IA64_IPLTMSB; break; | |
569 | case BFD_RELOC_IA64_IPLTLSB: rtype = R_IA64_IPLTLSB; break; | |
800eeca4 JW |
570 | case BFD_RELOC_IA64_COPY: rtype = R_IA64_COPY; break; |
571 | case BFD_RELOC_IA64_LTOFF22X: rtype = R_IA64_LTOFF22X; break; | |
572 | case BFD_RELOC_IA64_LDXMOV: rtype = R_IA64_LDXMOV; break; | |
573 | ||
13ae64f3 | 574 | case BFD_RELOC_IA64_TPREL14: rtype = R_IA64_TPREL14; break; |
800eeca4 | 575 | case BFD_RELOC_IA64_TPREL22: rtype = R_IA64_TPREL22; break; |
13ae64f3 | 576 | case BFD_RELOC_IA64_TPREL64I: rtype = R_IA64_TPREL64I; break; |
800eeca4 JW |
577 | case BFD_RELOC_IA64_TPREL64MSB: rtype = R_IA64_TPREL64MSB; break; |
578 | case BFD_RELOC_IA64_TPREL64LSB: rtype = R_IA64_TPREL64LSB; break; | |
13ae64f3 JJ |
579 | case BFD_RELOC_IA64_LTOFF_TPREL22: rtype = R_IA64_LTOFF_TPREL22; break; |
580 | ||
581 | case BFD_RELOC_IA64_DTPMOD64MSB: rtype = R_IA64_DTPMOD64MSB; break; | |
582 | case BFD_RELOC_IA64_DTPMOD64LSB: rtype = R_IA64_DTPMOD64LSB; break; | |
583 | case BFD_RELOC_IA64_LTOFF_DTPMOD22: rtype = R_IA64_LTOFF_DTPMOD22; break; | |
584 | ||
585 | case BFD_RELOC_IA64_DTPREL14: rtype = R_IA64_DTPREL14; break; | |
586 | case BFD_RELOC_IA64_DTPREL22: rtype = R_IA64_DTPREL22; break; | |
587 | case BFD_RELOC_IA64_DTPREL64I: rtype = R_IA64_DTPREL64I; break; | |
588 | case BFD_RELOC_IA64_DTPREL32MSB: rtype = R_IA64_DTPREL32MSB; break; | |
589 | case BFD_RELOC_IA64_DTPREL32LSB: rtype = R_IA64_DTPREL32LSB; break; | |
590 | case BFD_RELOC_IA64_DTPREL64MSB: rtype = R_IA64_DTPREL64MSB; break; | |
591 | case BFD_RELOC_IA64_DTPREL64LSB: rtype = R_IA64_DTPREL64LSB; break; | |
592 | case BFD_RELOC_IA64_LTOFF_DTPREL22: rtype = R_IA64_LTOFF_DTPREL22; break; | |
800eeca4 JW |
593 | |
594 | default: return 0; | |
595 | } | |
596 | return lookup_howto (rtype); | |
597 | } | |
598 | ||
599 | /* Given a ELF reloc, return the matching HOWTO structure. */ | |
600 | ||
601 | static void | |
bbe66d08 | 602 | elfNN_ia64_info_to_howto (abfd, bfd_reloc, elf_reloc) |
64bf6ae6 | 603 | bfd *abfd ATTRIBUTE_UNUSED; |
800eeca4 | 604 | arelent *bfd_reloc; |
947216bf | 605 | Elf_Internal_Rela *elf_reloc; |
800eeca4 | 606 | { |
dc810e39 AM |
607 | bfd_reloc->howto |
608 | = lookup_howto ((unsigned int) ELFNN_R_TYPE (elf_reloc->r_info)); | |
800eeca4 JW |
609 | } |
610 | \f | |
611 | #define PLT_HEADER_SIZE (3 * 16) | |
612 | #define PLT_MIN_ENTRY_SIZE (1 * 16) | |
613 | #define PLT_FULL_ENTRY_SIZE (2 * 16) | |
614 | #define PLT_RESERVED_WORDS 3 | |
615 | ||
616 | static const bfd_byte plt_header[PLT_HEADER_SIZE] = | |
617 | { | |
618 | 0x0b, 0x10, 0x00, 0x1c, 0x00, 0x21, /* [MMI] mov r2=r14;; */ | |
619 | 0xe0, 0x00, 0x08, 0x00, 0x48, 0x00, /* addl r14=0,r2 */ | |
620 | 0x00, 0x00, 0x04, 0x00, /* nop.i 0x0;; */ | |
621 | 0x0b, 0x80, 0x20, 0x1c, 0x18, 0x14, /* [MMI] ld8 r16=[r14],8;; */ | |
622 | 0x10, 0x41, 0x38, 0x30, 0x28, 0x00, /* ld8 r17=[r14],8 */ | |
623 | 0x00, 0x00, 0x04, 0x00, /* nop.i 0x0;; */ | |
624 | 0x11, 0x08, 0x00, 0x1c, 0x18, 0x10, /* [MIB] ld8 r1=[r14] */ | |
625 | 0x60, 0x88, 0x04, 0x80, 0x03, 0x00, /* mov b6=r17 */ | |
626 | 0x60, 0x00, 0x80, 0x00 /* br.few b6;; */ | |
627 | }; | |
628 | ||
629 | static const bfd_byte plt_min_entry[PLT_MIN_ENTRY_SIZE] = | |
630 | { | |
631 | 0x11, 0x78, 0x00, 0x00, 0x00, 0x24, /* [MIB] mov r15=0 */ | |
632 | 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, /* nop.i 0x0 */ | |
633 | 0x00, 0x00, 0x00, 0x40 /* br.few 0 <PLT0>;; */ | |
634 | }; | |
635 | ||
636 | static const bfd_byte plt_full_entry[PLT_FULL_ENTRY_SIZE] = | |
637 | { | |
638 | 0x0b, 0x78, 0x00, 0x02, 0x00, 0x24, /* [MMI] addl r15=0,r1;; */ | |
8b6f2683 | 639 | 0x00, 0x41, 0x3c, 0x70, 0x29, 0xc0, /* ld8.acq r16=[r15],8*/ |
800eeca4 JW |
640 | 0x01, 0x08, 0x00, 0x84, /* mov r14=r1;; */ |
641 | 0x11, 0x08, 0x00, 0x1e, 0x18, 0x10, /* [MIB] ld8 r1=[r15] */ | |
642 | 0x60, 0x80, 0x04, 0x80, 0x03, 0x00, /* mov b6=r16 */ | |
643 | 0x60, 0x00, 0x80, 0x00 /* br.few b6;; */ | |
644 | }; | |
645 | ||
646 | #define ELF_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1" | |
748abff6 | 647 | |
748abff6 RH |
648 | static const bfd_byte oor_brl[16] = |
649 | { | |
650 | 0x05, 0x00, 0x00, 0x00, 0x01, 0x00, /* [MLX] nop.m 0 */ | |
651 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* brl.sptk.few tgt;; */ | |
652 | 0x00, 0x00, 0x00, 0xc0 | |
653 | }; | |
3f7deb8a L |
654 | |
655 | static const bfd_byte oor_ip[48] = | |
656 | { | |
657 | 0x04, 0x00, 0x00, 0x00, 0x01, 0x00, /* [MLX] nop.m 0 */ | |
658 | 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, /* movl r15=0 */ | |
659 | 0x01, 0x00, 0x00, 0x60, | |
660 | 0x03, 0x00, 0x00, 0x00, 0x01, 0x00, /* [MII] nop.m 0 */ | |
661 | 0x00, 0x01, 0x00, 0x60, 0x00, 0x00, /* mov r16=ip;; */ | |
662 | 0xf2, 0x80, 0x00, 0x80, /* add r16=r15,r16;; */ | |
663 | 0x11, 0x00, 0x00, 0x00, 0x01, 0x00, /* [MIB] nop.m 0 */ | |
664 | 0x60, 0x80, 0x04, 0x80, 0x03, 0x00, /* mov b6=r16 */ | |
665 | 0x60, 0x00, 0x80, 0x00 /* br b6;; */ | |
666 | }; | |
667 | ||
668 | static size_t oor_branch_size = sizeof (oor_brl); | |
669 | ||
670 | void | |
671 | bfd_elfNN_ia64_after_parse (int itanium) | |
672 | { | |
673 | oor_branch_size = itanium ? sizeof (oor_ip) : sizeof (oor_brl); | |
674 | } | |
675 | ||
03609792 | 676 | static void |
bbb268c3 | 677 | elfNN_ia64_relax_brl (bfd_byte *contents, bfd_vma off) |
03609792 L |
678 | { |
679 | int template; | |
680 | bfd_byte *hit_addr; | |
681 | bfd_vma t0, t1, i0, i1, i2; | |
682 | ||
683 | hit_addr = (bfd_byte *) (contents + off); | |
684 | hit_addr -= (long) hit_addr & 0x3; | |
bbb268c3 JW |
685 | t0 = bfd_getl64 (hit_addr); |
686 | t1 = bfd_getl64 (hit_addr + 8); | |
03609792 L |
687 | |
688 | /* Keep the instruction in slot 0. */ | |
689 | i0 = (t0 >> 5) & 0x1ffffffffffLL; | |
690 | /* Use nop.b for slot 1. */ | |
691 | i1 = 0x4000000000LL; | |
692 | /* For slot 2, turn brl into br by masking out bit 40. */ | |
693 | i2 = (t1 >> 23) & 0x0ffffffffffLL; | |
694 | ||
695 | /* Turn a MLX bundle into a MBB bundle with the same stop-bit | |
696 | variety. */ | |
697 | template = 0x12; | |
698 | if ((t0 & 0x1fLL) == 5) | |
699 | template += 1; | |
700 | t0 = (i1 << 46) | (i0 << 5) | template; | |
701 | t1 = (i2 << 23) | (i1 >> 18); | |
702 | ||
bbb268c3 JW |
703 | bfd_putl64 (t0, hit_addr); |
704 | bfd_putl64 (t1, hit_addr + 8); | |
03609792 | 705 | } |
748abff6 | 706 | \f |
2c4c2bc0 | 707 | /* These functions do relaxation for IA-64 ELF. */ |
748abff6 | 708 | |
b34976b6 | 709 | static bfd_boolean |
bbe66d08 | 710 | elfNN_ia64_relax_section (abfd, sec, link_info, again) |
748abff6 RH |
711 | bfd *abfd; |
712 | asection *sec; | |
713 | struct bfd_link_info *link_info; | |
b34976b6 | 714 | bfd_boolean *again; |
748abff6 RH |
715 | { |
716 | struct one_fixup | |
717 | { | |
718 | struct one_fixup *next; | |
719 | asection *tsec; | |
720 | bfd_vma toff; | |
721 | bfd_vma trampoff; | |
722 | }; | |
723 | ||
724 | Elf_Internal_Shdr *symtab_hdr; | |
725 | Elf_Internal_Rela *internal_relocs; | |
748abff6 RH |
726 | Elf_Internal_Rela *irel, *irelend; |
727 | bfd_byte *contents; | |
6cdc0ccc | 728 | Elf_Internal_Sym *isymbuf = NULL; |
bbe66d08 | 729 | struct elfNN_ia64_link_hash_table *ia64_info; |
748abff6 | 730 | struct one_fixup *fixups = NULL; |
b34976b6 AM |
731 | bfd_boolean changed_contents = FALSE; |
732 | bfd_boolean changed_relocs = FALSE; | |
2c4c2bc0 RH |
733 | bfd_boolean changed_got = FALSE; |
734 | bfd_vma gp = 0; | |
748abff6 | 735 | |
46f5aac8 KH |
736 | /* Assume we're not going to change any sizes, and we'll only need |
737 | one pass. */ | |
b34976b6 | 738 | *again = FALSE; |
748abff6 | 739 | |
04b3329b | 740 | /* Don't even try to relax for non-ELF outputs. */ |
0eddce27 | 741 | if (!is_elf_hash_table (link_info->hash)) |
04b3329b L |
742 | return FALSE; |
743 | ||
c7996ad6 L |
744 | /* Nothing to do if there are no relocations or there is no need for |
745 | the relax finalize pass. */ | |
748abff6 | 746 | if ((sec->flags & SEC_RELOC) == 0 |
c7996ad6 | 747 | || sec->reloc_count == 0 |
d9c458fc | 748 | || (!link_info->need_relax_finalize |
c7996ad6 | 749 | && sec->need_finalize_relax == 0)) |
b34976b6 | 750 | return TRUE; |
748abff6 | 751 | |
748abff6 RH |
752 | symtab_hdr = &elf_tdata (abfd)->symtab_hdr; |
753 | ||
754 | /* Load the relocations for this section. */ | |
45d6a902 | 755 | internal_relocs = (_bfd_elf_link_read_relocs |
748abff6 RH |
756 | (abfd, sec, (PTR) NULL, (Elf_Internal_Rela *) NULL, |
757 | link_info->keep_memory)); | |
758 | if (internal_relocs == NULL) | |
b34976b6 | 759 | return FALSE; |
748abff6 | 760 | |
bbe66d08 | 761 | ia64_info = elfNN_ia64_hash_table (link_info); |
748abff6 RH |
762 | irelend = internal_relocs + sec->reloc_count; |
763 | ||
748abff6 | 764 | /* Get the section contents. */ |
748abff6 RH |
765 | if (elf_section_data (sec)->this_hdr.contents != NULL) |
766 | contents = elf_section_data (sec)->this_hdr.contents; | |
767 | else | |
768 | { | |
eea6121a | 769 | if (!bfd_malloc_and_get_section (abfd, sec, &contents)) |
748abff6 RH |
770 | goto error_return; |
771 | } | |
772 | ||
2c4c2bc0 | 773 | for (irel = internal_relocs; irel < irelend; irel++) |
748abff6 | 774 | { |
2f9bd3f6 | 775 | unsigned long r_type = ELFNN_R_TYPE (irel->r_info); |
748abff6 | 776 | bfd_vma symaddr, reladdr, trampoff, toff, roff; |
748abff6 RH |
777 | asection *tsec; |
778 | struct one_fixup *f; | |
dc810e39 | 779 | bfd_size_type amt; |
2c4c2bc0 RH |
780 | bfd_boolean is_branch; |
781 | struct elfNN_ia64_dyn_sym_info *dyn_i; | |
bf8b15af | 782 | char symtype; |
748abff6 | 783 | |
2c4c2bc0 RH |
784 | switch (r_type) |
785 | { | |
786 | case R_IA64_PCREL21B: | |
787 | case R_IA64_PCREL21BI: | |
788 | case R_IA64_PCREL21M: | |
789 | case R_IA64_PCREL21F: | |
03609792 L |
790 | /* In the finalize pass, all br relaxations are done. We can |
791 | skip it. */ | |
d9c458fc | 792 | if (!link_info->need_relax_finalize) |
c7996ad6 | 793 | continue; |
2c4c2bc0 RH |
794 | is_branch = TRUE; |
795 | break; | |
796 | ||
03609792 L |
797 | case R_IA64_PCREL60B: |
798 | /* We can't optimize brl to br before the finalize pass since | |
799 | br relaxations will increase the code size. Defer it to | |
800 | the finalize pass. */ | |
801 | if (link_info->need_relax_finalize) | |
802 | { | |
803 | sec->need_finalize_relax = 1; | |
804 | continue; | |
805 | } | |
806 | is_branch = TRUE; | |
807 | break; | |
808 | ||
2c4c2bc0 RH |
809 | case R_IA64_LTOFF22X: |
810 | case R_IA64_LDXMOV: | |
03609792 L |
811 | /* We can't relax ldx/mov before the finalize pass since |
812 | br relaxations will increase the code size. Defer it to | |
813 | the finalize pass. */ | |
d9c458fc | 814 | if (link_info->need_relax_finalize) |
c7996ad6 L |
815 | { |
816 | sec->need_finalize_relax = 1; | |
817 | continue; | |
818 | } | |
2c4c2bc0 RH |
819 | is_branch = FALSE; |
820 | break; | |
821 | ||
822 | default: | |
823 | continue; | |
824 | } | |
748abff6 RH |
825 | |
826 | /* Get the value of the symbol referred to by the reloc. */ | |
bbe66d08 | 827 | if (ELFNN_R_SYM (irel->r_info) < symtab_hdr->sh_info) |
748abff6 RH |
828 | { |
829 | /* A local symbol. */ | |
6cdc0ccc AM |
830 | Elf_Internal_Sym *isym; |
831 | ||
832 | /* Read this BFD's local symbols. */ | |
833 | if (isymbuf == NULL) | |
834 | { | |
835 | isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents; | |
836 | if (isymbuf == NULL) | |
837 | isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr, | |
838 | symtab_hdr->sh_info, 0, | |
839 | NULL, NULL, NULL); | |
840 | if (isymbuf == 0) | |
841 | goto error_return; | |
842 | } | |
843 | ||
60d8b524 | 844 | isym = isymbuf + ELFNN_R_SYM (irel->r_info); |
6cdc0ccc | 845 | if (isym->st_shndx == SHN_UNDEF) |
4cc11e76 | 846 | continue; /* We can't do anything with undefined symbols. */ |
6cdc0ccc | 847 | else if (isym->st_shndx == SHN_ABS) |
748abff6 | 848 | tsec = bfd_abs_section_ptr; |
6cdc0ccc | 849 | else if (isym->st_shndx == SHN_COMMON) |
748abff6 | 850 | tsec = bfd_com_section_ptr; |
6cdc0ccc | 851 | else if (isym->st_shndx == SHN_IA_64_ANSI_COMMON) |
d9cf1b54 | 852 | tsec = bfd_com_section_ptr; |
3e932841 | 853 | else |
6cdc0ccc | 854 | tsec = bfd_section_from_elf_index (abfd, isym->st_shndx); |
748abff6 | 855 | |
6cdc0ccc | 856 | toff = isym->st_value; |
2c4c2bc0 | 857 | dyn_i = get_dyn_sym_info (ia64_info, NULL, abfd, irel, FALSE); |
bf8b15af | 858 | symtype = ELF_ST_TYPE (isym->st_info); |
748abff6 RH |
859 | } |
860 | else | |
861 | { | |
862 | unsigned long indx; | |
863 | struct elf_link_hash_entry *h; | |
748abff6 | 864 | |
bbe66d08 | 865 | indx = ELFNN_R_SYM (irel->r_info) - symtab_hdr->sh_info; |
748abff6 RH |
866 | h = elf_sym_hashes (abfd)[indx]; |
867 | BFD_ASSERT (h != NULL); | |
868 | ||
869 | while (h->root.type == bfd_link_hash_indirect | |
870 | || h->root.type == bfd_link_hash_warning) | |
871 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
872 | ||
b34976b6 | 873 | dyn_i = get_dyn_sym_info (ia64_info, h, abfd, irel, FALSE); |
748abff6 RH |
874 | |
875 | /* For branches to dynamic symbols, we're interested instead | |
876 | in a branch to the PLT entry. */ | |
2c4c2bc0 | 877 | if (is_branch && dyn_i && dyn_i->want_plt2) |
748abff6 | 878 | { |
2f9bd3f6 RH |
879 | /* Internal branches shouldn't be sent to the PLT. |
880 | Leave this for now and we'll give an error later. */ | |
881 | if (r_type != R_IA64_PCREL21B) | |
882 | continue; | |
883 | ||
748abff6 RH |
884 | tsec = ia64_info->plt_sec; |
885 | toff = dyn_i->plt2_offset; | |
3fa1d917 | 886 | BFD_ASSERT (irel->r_addend == 0); |
748abff6 | 887 | } |
2c4c2bc0 RH |
888 | |
889 | /* Can't do anything else with dynamic symbols. */ | |
986a241f | 890 | else if (elfNN_ia64_dynamic_symbol_p (h, link_info, r_type)) |
2c4c2bc0 RH |
891 | continue; |
892 | ||
748abff6 RH |
893 | else |
894 | { | |
4cc11e76 | 895 | /* We can't do anything with undefined symbols. */ |
748abff6 RH |
896 | if (h->root.type == bfd_link_hash_undefined |
897 | || h->root.type == bfd_link_hash_undefweak) | |
898 | continue; | |
899 | ||
900 | tsec = h->root.u.def.section; | |
901 | toff = h->root.u.def.value; | |
902 | } | |
bf8b15af L |
903 | |
904 | symtype = h->type; | |
5dd23ec1 | 905 | } |
3fa1d917 | 906 | |
9f2e92c5 | 907 | if (tsec->sec_info_type == ELF_INFO_TYPE_MERGE) |
bf8b15af L |
908 | { |
909 | /* At this stage in linking, no SEC_MERGE symbol has been | |
910 | adjusted, so all references to such symbols need to be | |
911 | passed through _bfd_merged_section_offset. (Later, in | |
912 | relocate_section, all SEC_MERGE symbols *except* for | |
913 | section symbols have been adjusted.) | |
914 | ||
915 | gas may reduce relocations against symbols in SEC_MERGE | |
916 | sections to a relocation against the section symbol when | |
917 | the original addend was zero. When the reloc is against | |
918 | a section symbol we should include the addend in the | |
919 | offset passed to _bfd_merged_section_offset, since the | |
920 | location of interest is the original symbol. On the | |
921 | other hand, an access to "sym+addend" where "sym" is not | |
922 | a section symbol should not include the addend; Such an | |
923 | access is presumed to be an offset from "sym"; The | |
924 | location of interest is just "sym". */ | |
925 | if (symtype == STT_SECTION) | |
926 | toff += irel->r_addend; | |
f12123c0 | 927 | |
bf8b15af L |
928 | toff = _bfd_merged_section_offset (abfd, &tsec, |
929 | elf_section_data (tsec)->sec_info, | |
930 | toff); | |
931 | ||
932 | if (symtype != STT_SECTION) | |
933 | toff += irel->r_addend; | |
934 | } | |
9f2e92c5 L |
935 | else |
936 | toff += irel->r_addend; | |
937 | ||
3fa1d917 | 938 | symaddr = tsec->output_section->vma + tsec->output_offset + toff; |
748abff6 RH |
939 | |
940 | roff = irel->r_offset; | |
748abff6 | 941 | |
2c4c2bc0 RH |
942 | if (is_branch) |
943 | { | |
de0d9f33 L |
944 | bfd_signed_vma offset; |
945 | ||
2c4c2bc0 RH |
946 | reladdr = (sec->output_section->vma |
947 | + sec->output_offset | |
948 | + roff) & (bfd_vma) -4; | |
748abff6 | 949 | |
2c4c2bc0 RH |
950 | /* If the branch is in range, no need to do anything. */ |
951 | if ((bfd_signed_vma) (symaddr - reladdr) >= -0x1000000 | |
952 | && (bfd_signed_vma) (symaddr - reladdr) <= 0x0FFFFF0) | |
03609792 L |
953 | { |
954 | /* If the 60-bit branch is in 21-bit range, optimize it. */ | |
955 | if (r_type == R_IA64_PCREL60B) | |
956 | { | |
bbb268c3 | 957 | elfNN_ia64_relax_brl (contents, roff); |
03609792 L |
958 | |
959 | irel->r_info | |
960 | = ELF64_R_INFO (ELF64_R_SYM (irel->r_info), | |
961 | R_IA64_PCREL21B); | |
962 | ||
963 | /* If the original relocation offset points to slot | |
964 | 1, change it to slot 2. */ | |
965 | if ((irel->r_offset & 3) == 1) | |
966 | irel->r_offset += 1; | |
967 | } | |
968 | ||
969 | continue; | |
970 | } | |
971 | else if (r_type == R_IA64_PCREL60B) | |
2c4c2bc0 | 972 | continue; |
748abff6 | 973 | |
e525914f L |
974 | /* We can't put a trampoline in a .init/.fini section. Issue |
975 | an error. */ | |
976 | if (strcmp (sec->output_section->name, ".init") == 0 | |
977 | || strcmp (sec->output_section->name, ".fini") == 0) | |
978 | { | |
979 | (*_bfd_error_handler) | |
d003868e AM |
980 | (_("%B: Can't relax br at 0x%lx in section `%A'. Please use brl or indirect branch."), |
981 | sec->owner, sec, (unsigned long) roff); | |
e525914f L |
982 | bfd_set_error (bfd_error_bad_value); |
983 | goto error_return; | |
984 | } | |
985 | ||
2c4c2bc0 RH |
986 | /* If the branch and target are in the same section, you've |
987 | got one honking big section and we can't help you. You'll | |
988 | get an error message later. */ | |
989 | if (tsec == sec) | |
990 | continue; | |
748abff6 | 991 | |
2c4c2bc0 RH |
992 | /* Look for an existing fixup to this address. */ |
993 | for (f = fixups; f ; f = f->next) | |
994 | if (f->tsec == tsec && f->toff == toff) | |
995 | break; | |
748abff6 | 996 | |
2c4c2bc0 | 997 | if (f == NULL) |
748abff6 | 998 | { |
2c4c2bc0 RH |
999 | /* Two alternatives: If it's a branch to a PLT entry, we can |
1000 | make a copy of the FULL_PLT entry. Otherwise, we'll have | |
1001 | to use a `brl' insn to get where we're going. */ | |
1002 | ||
1003 | size_t size; | |
1004 | ||
1005 | if (tsec == ia64_info->plt_sec) | |
1006 | size = sizeof (plt_full_entry); | |
1007 | else | |
3f7deb8a | 1008 | size = oor_branch_size; |
748abff6 | 1009 | |
2c4c2bc0 | 1010 | /* Resize the current section to make room for the new branch. */ |
eea6121a | 1011 | trampoff = (sec->size + 15) & (bfd_vma) -16; |
de0d9f33 L |
1012 | |
1013 | /* If trampoline is out of range, there is nothing we | |
1014 | can do. */ | |
1015 | offset = trampoff - (roff & (bfd_vma) -4); | |
1016 | if (offset < -0x1000000 || offset > 0x0FFFFF0) | |
1017 | continue; | |
1018 | ||
2c4c2bc0 RH |
1019 | amt = trampoff + size; |
1020 | contents = (bfd_byte *) bfd_realloc (contents, amt); | |
1021 | if (contents == NULL) | |
1022 | goto error_return; | |
eea6121a | 1023 | sec->size = amt; |
748abff6 | 1024 | |
2c4c2bc0 RH |
1025 | if (tsec == ia64_info->plt_sec) |
1026 | { | |
1027 | memcpy (contents + trampoff, plt_full_entry, size); | |
748abff6 | 1028 | |
2c4c2bc0 RH |
1029 | /* Hijack the old relocation for use as the PLTOFF reloc. */ |
1030 | irel->r_info = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info), | |
1031 | R_IA64_PLTOFF22); | |
1032 | irel->r_offset = trampoff; | |
1033 | } | |
1034 | else | |
1035 | { | |
3f7deb8a L |
1036 | if (size == sizeof (oor_ip)) |
1037 | { | |
1038 | memcpy (contents + trampoff, oor_ip, size); | |
1039 | irel->r_info = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info), | |
1040 | R_IA64_PCREL64I); | |
1041 | irel->r_addend -= 16; | |
1042 | irel->r_offset = trampoff + 2; | |
1043 | } | |
1044 | else | |
1045 | { | |
1046 | memcpy (contents + trampoff, oor_brl, size); | |
1047 | irel->r_info = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info), | |
1048 | R_IA64_PCREL60B); | |
1049 | irel->r_offset = trampoff + 2; | |
1050 | } | |
1051 | ||
2c4c2bc0 RH |
1052 | } |
1053 | ||
1054 | /* Record the fixup so we don't do it again this section. */ | |
1055 | f = (struct one_fixup *) | |
1056 | bfd_malloc ((bfd_size_type) sizeof (*f)); | |
1057 | f->next = fixups; | |
1058 | f->tsec = tsec; | |
1059 | f->toff = toff; | |
1060 | f->trampoff = trampoff; | |
1061 | fixups = f; | |
748abff6 | 1062 | } |
2c4c2bc0 RH |
1063 | else |
1064 | { | |
de0d9f33 L |
1065 | /* If trampoline is out of range, there is nothing we |
1066 | can do. */ | |
1067 | offset = f->trampoff - (roff & (bfd_vma) -4); | |
1068 | if (offset < -0x1000000 || offset > 0x0FFFFF0) | |
1069 | continue; | |
1070 | ||
2c4c2bc0 RH |
1071 | /* Nop out the reloc, since we're finalizing things here. */ |
1072 | irel->r_info = ELFNN_R_INFO (0, R_IA64_NONE); | |
1073 | } | |
1074 | ||
de0d9f33 | 1075 | /* Fix up the existing branch to hit the trampoline. */ |
bbb268c3 JW |
1076 | if (elfNN_ia64_install_value (contents + roff, offset, r_type) |
1077 | != bfd_reloc_ok) | |
2c4c2bc0 | 1078 | goto error_return; |
748abff6 | 1079 | |
2c4c2bc0 RH |
1080 | changed_contents = TRUE; |
1081 | changed_relocs = TRUE; | |
748abff6 RH |
1082 | } |
1083 | else | |
1084 | { | |
2c4c2bc0 RH |
1085 | /* Fetch the gp. */ |
1086 | if (gp == 0) | |
1087 | { | |
1088 | bfd *obfd = sec->output_section->owner; | |
1089 | gp = _bfd_get_gp_value (obfd); | |
1090 | if (gp == 0) | |
1091 | { | |
1092 | if (!elfNN_ia64_choose_gp (obfd, link_info)) | |
1093 | goto error_return; | |
1094 | gp = _bfd_get_gp_value (obfd); | |
1095 | } | |
1096 | } | |
748abff6 | 1097 | |
2c4c2bc0 | 1098 | /* If the data is out of range, do nothing. */ |
484a4f9c RH |
1099 | if ((bfd_signed_vma) (symaddr - gp) >= 0x200000 |
1100 | ||(bfd_signed_vma) (symaddr - gp) < -0x200000) | |
2c4c2bc0 | 1101 | continue; |
748abff6 | 1102 | |
2c4c2bc0 RH |
1103 | if (r_type == R_IA64_LTOFF22X) |
1104 | { | |
1105 | irel->r_info = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info), | |
1106 | R_IA64_GPREL22); | |
1107 | changed_relocs = TRUE; | |
1108 | if (dyn_i->want_gotx) | |
1109 | { | |
1110 | dyn_i->want_gotx = 0; | |
1111 | changed_got |= !dyn_i->want_got; | |
1112 | } | |
1113 | } | |
1114 | else | |
1115 | { | |
bbb268c3 | 1116 | elfNN_ia64_relax_ldxmov (contents, roff); |
2c4c2bc0 RH |
1117 | irel->r_info = ELFNN_R_INFO (0, R_IA64_NONE); |
1118 | changed_contents = TRUE; | |
1119 | changed_relocs = TRUE; | |
1120 | } | |
1121 | } | |
748abff6 RH |
1122 | } |
1123 | ||
2c4c2bc0 RH |
1124 | /* ??? If we created fixups, this may push the code segment large |
1125 | enough that the data segment moves, which will change the GP. | |
1126 | Reset the GP so that we re-calculate next round. We need to | |
1127 | do this at the _beginning_ of the next round; now will not do. */ | |
f12123c0 | 1128 | |
748abff6 RH |
1129 | /* Clean up and go home. */ |
1130 | while (fixups) | |
1131 | { | |
1132 | struct one_fixup *f = fixups; | |
1133 | fixups = fixups->next; | |
1134 | free (f); | |
1135 | } | |
1136 | ||
6cdc0ccc AM |
1137 | if (isymbuf != NULL |
1138 | && symtab_hdr->contents != (unsigned char *) isymbuf) | |
748abff6 RH |
1139 | { |
1140 | if (! link_info->keep_memory) | |
6cdc0ccc | 1141 | free (isymbuf); |
748abff6 RH |
1142 | else |
1143 | { | |
6cdc0ccc AM |
1144 | /* Cache the symbols for elf_link_input_bfd. */ |
1145 | symtab_hdr->contents = (unsigned char *) isymbuf; | |
748abff6 RH |
1146 | } |
1147 | } | |
1148 | ||
6cdc0ccc AM |
1149 | if (contents != NULL |
1150 | && elf_section_data (sec)->this_hdr.contents != contents) | |
748abff6 | 1151 | { |
6cdc0ccc AM |
1152 | if (!changed_contents && !link_info->keep_memory) |
1153 | free (contents); | |
748abff6 RH |
1154 | else |
1155 | { | |
6cdc0ccc AM |
1156 | /* Cache the section contents for elf_link_input_bfd. */ |
1157 | elf_section_data (sec)->this_hdr.contents = contents; | |
748abff6 RH |
1158 | } |
1159 | } | |
1160 | ||
6cdc0ccc AM |
1161 | if (elf_section_data (sec)->relocs != internal_relocs) |
1162 | { | |
1163 | if (!changed_relocs) | |
1164 | free (internal_relocs); | |
1165 | else | |
1166 | elf_section_data (sec)->relocs = internal_relocs; | |
1167 | } | |
1168 | ||
2c4c2bc0 RH |
1169 | if (changed_got) |
1170 | { | |
1171 | struct elfNN_ia64_allocate_data data; | |
1172 | data.info = link_info; | |
1173 | data.ofs = 0; | |
9d73f260 | 1174 | ia64_info->self_dtpmod_offset = (bfd_vma) -1; |
2c4c2bc0 RH |
1175 | |
1176 | elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_global_data_got, &data); | |
1177 | elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_global_fptr_got, &data); | |
1178 | elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_local_got, &data); | |
eea6121a | 1179 | ia64_info->got_sec->size = data.ofs; |
2c4c2bc0 RH |
1180 | |
1181 | /* ??? Resize .rela.got too. */ | |
1182 | } | |
1183 | ||
d9c458fc | 1184 | if (!link_info->need_relax_finalize) |
c7996ad6 L |
1185 | sec->need_finalize_relax = 0; |
1186 | ||
748abff6 | 1187 | *again = changed_contents || changed_relocs; |
b34976b6 | 1188 | return TRUE; |
748abff6 RH |
1189 | |
1190 | error_return: | |
6cdc0ccc AM |
1191 | if (isymbuf != NULL && (unsigned char *) isymbuf != symtab_hdr->contents) |
1192 | free (isymbuf); | |
1193 | if (contents != NULL | |
1194 | && elf_section_data (sec)->this_hdr.contents != contents) | |
1195 | free (contents); | |
1196 | if (internal_relocs != NULL | |
1197 | && elf_section_data (sec)->relocs != internal_relocs) | |
1198 | free (internal_relocs); | |
b34976b6 | 1199 | return FALSE; |
748abff6 | 1200 | } |
2c4c2bc0 RH |
1201 | |
1202 | static void | |
bbb268c3 | 1203 | elfNN_ia64_relax_ldxmov (contents, off) |
2c4c2bc0 RH |
1204 | bfd_byte *contents; |
1205 | bfd_vma off; | |
1206 | { | |
1207 | int shift, r1, r3; | |
1208 | bfd_vma dword, insn; | |
1209 | ||
1210 | switch ((int)off & 0x3) | |
1211 | { | |
1212 | case 0: shift = 5; break; | |
1213 | case 1: shift = 14; off += 3; break; | |
1214 | case 2: shift = 23; off += 6; break; | |
60d8b524 | 1215 | default: |
2c4c2bc0 RH |
1216 | abort (); |
1217 | } | |
1218 | ||
bbb268c3 | 1219 | dword = bfd_getl64 (contents + off); |
2c4c2bc0 RH |
1220 | insn = (dword >> shift) & 0x1ffffffffffLL; |
1221 | ||
1222 | r1 = (insn >> 6) & 127; | |
1223 | r3 = (insn >> 20) & 127; | |
1224 | if (r1 == r3) | |
1225 | insn = 0x8000000; /* nop */ | |
1226 | else | |
1227 | insn = (insn & 0x7f01fff) | 0x10800000000LL; /* (qp) mov r1 = r3 */ | |
1228 | ||
1229 | dword &= ~(0x1ffffffffffLL << shift); | |
1230 | dword |= (insn << shift); | |
bbb268c3 | 1231 | bfd_putl64 (dword, contents + off); |
2c4c2bc0 | 1232 | } |
800eeca4 | 1233 | \f |
b34976b6 | 1234 | /* Return TRUE if NAME is an unwind table section name. */ |
81545d45 | 1235 | |
b34976b6 | 1236 | static inline bfd_boolean |
d9cf1b54 AM |
1237 | is_unwind_section_name (abfd, name) |
1238 | bfd *abfd; | |
81545d45 RH |
1239 | const char *name; |
1240 | { | |
579f31ac | 1241 | size_t len1, len2, len3; |
81545d45 | 1242 | |
d9cf1b54 AM |
1243 | if (elfNN_ia64_hpux_vec (abfd->xvec) |
1244 | && !strcmp (name, ELF_STRING_ia64_unwind_hdr)) | |
b34976b6 | 1245 | return FALSE; |
d9cf1b54 | 1246 | |
81545d45 RH |
1247 | len1 = sizeof (ELF_STRING_ia64_unwind) - 1; |
1248 | len2 = sizeof (ELF_STRING_ia64_unwind_info) - 1; | |
579f31ac JJ |
1249 | len3 = sizeof (ELF_STRING_ia64_unwind_once) - 1; |
1250 | return ((strncmp (name, ELF_STRING_ia64_unwind, len1) == 0 | |
1251 | && strncmp (name, ELF_STRING_ia64_unwind_info, len2) != 0) | |
1252 | || strncmp (name, ELF_STRING_ia64_unwind_once, len3) == 0); | |
81545d45 RH |
1253 | } |
1254 | ||
800eeca4 JW |
1255 | /* Handle an IA-64 specific section when reading an object file. This |
1256 | is called when elfcode.h finds a section with an unknown type. */ | |
1257 | ||
b34976b6 | 1258 | static bfd_boolean |
bbe66d08 | 1259 | elfNN_ia64_section_from_shdr (abfd, hdr, name) |
800eeca4 | 1260 | bfd *abfd; |
947216bf | 1261 | Elf_Internal_Shdr *hdr; |
90937f86 | 1262 | const char *name; |
800eeca4 JW |
1263 | { |
1264 | asection *newsect; | |
1265 | ||
1266 | /* There ought to be a place to keep ELF backend specific flags, but | |
1267 | at the moment there isn't one. We just keep track of the | |
1268 | sections by their name, instead. Fortunately, the ABI gives | |
1269 | suggested names for all the MIPS specific sections, so we will | |
1270 | probably get away with this. */ | |
1271 | switch (hdr->sh_type) | |
1272 | { | |
1273 | case SHT_IA_64_UNWIND: | |
d9cf1b54 | 1274 | case SHT_IA_64_HP_OPT_ANOT: |
800eeca4 JW |
1275 | break; |
1276 | ||
1277 | case SHT_IA_64_EXT: | |
1278 | if (strcmp (name, ELF_STRING_ia64_archext) != 0) | |
b34976b6 | 1279 | return FALSE; |
800eeca4 JW |
1280 | break; |
1281 | ||
1282 | default: | |
b34976b6 | 1283 | return FALSE; |
800eeca4 JW |
1284 | } |
1285 | ||
1286 | if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name)) | |
b34976b6 | 1287 | return FALSE; |
800eeca4 JW |
1288 | newsect = hdr->bfd_section; |
1289 | ||
b34976b6 | 1290 | return TRUE; |
fa152c49 JW |
1291 | } |
1292 | ||
1293 | /* Convert IA-64 specific section flags to bfd internal section flags. */ | |
1294 | ||
1295 | /* ??? There is no bfd internal flag equivalent to the SHF_IA_64_NORECOV | |
1296 | flag. */ | |
1297 | ||
b34976b6 | 1298 | static bfd_boolean |
bbe66d08 | 1299 | elfNN_ia64_section_flags (flags, hdr) |
fa152c49 | 1300 | flagword *flags; |
1829f4b2 | 1301 | const Elf_Internal_Shdr *hdr; |
fa152c49 | 1302 | { |
800eeca4 | 1303 | if (hdr->sh_flags & SHF_IA_64_SHORT) |
fa152c49 | 1304 | *flags |= SEC_SMALL_DATA; |
800eeca4 | 1305 | |
b34976b6 | 1306 | return TRUE; |
800eeca4 JW |
1307 | } |
1308 | ||
1309 | /* Set the correct type for an IA-64 ELF section. We do this by the | |
1310 | section name, which is a hack, but ought to work. */ | |
1311 | ||
b34976b6 | 1312 | static bfd_boolean |
bbe66d08 | 1313 | elfNN_ia64_fake_sections (abfd, hdr, sec) |
64bf6ae6 | 1314 | bfd *abfd ATTRIBUTE_UNUSED; |
947216bf | 1315 | Elf_Internal_Shdr *hdr; |
800eeca4 JW |
1316 | asection *sec; |
1317 | { | |
1318 | register const char *name; | |
1319 | ||
1320 | name = bfd_get_section_name (abfd, sec); | |
1321 | ||
d9cf1b54 | 1322 | if (is_unwind_section_name (abfd, name)) |
81545d45 RH |
1323 | { |
1324 | /* We don't have the sections numbered at this point, so sh_info | |
1325 | is set later, in elfNN_ia64_final_write_processing. */ | |
1326 | hdr->sh_type = SHT_IA_64_UNWIND; | |
1327 | hdr->sh_flags |= SHF_LINK_ORDER; | |
1328 | } | |
800eeca4 JW |
1329 | else if (strcmp (name, ELF_STRING_ia64_archext) == 0) |
1330 | hdr->sh_type = SHT_IA_64_EXT; | |
d9cf1b54 AM |
1331 | else if (strcmp (name, ".HP.opt_annot") == 0) |
1332 | hdr->sh_type = SHT_IA_64_HP_OPT_ANOT; | |
800eeca4 | 1333 | else if (strcmp (name, ".reloc") == 0) |
5e8d7549 NC |
1334 | /* This is an ugly, but unfortunately necessary hack that is |
1335 | needed when producing EFI binaries on IA-64. It tells | |
1336 | elf.c:elf_fake_sections() not to consider ".reloc" as a section | |
1337 | containing ELF relocation info. We need this hack in order to | |
1338 | be able to generate ELF binaries that can be translated into | |
1339 | EFI applications (which are essentially COFF objects). Those | |
1340 | files contain a COFF ".reloc" section inside an ELFNN object, | |
1341 | which would normally cause BFD to segfault because it would | |
1342 | attempt to interpret this section as containing relocation | |
1343 | entries for section "oc". With this hack enabled, ".reloc" | |
1344 | will be treated as a normal data section, which will avoid the | |
1345 | segfault. However, you won't be able to create an ELFNN binary | |
1346 | with a section named "oc" that needs relocations, but that's | |
1347 | the kind of ugly side-effects you get when detecting section | |
1348 | types based on their names... In practice, this limitation is | |
1349 | unlikely to bite. */ | |
800eeca4 JW |
1350 | hdr->sh_type = SHT_PROGBITS; |
1351 | ||
1352 | if (sec->flags & SEC_SMALL_DATA) | |
1353 | hdr->sh_flags |= SHF_IA_64_SHORT; | |
1354 | ||
b34976b6 | 1355 | return TRUE; |
800eeca4 JW |
1356 | } |
1357 | ||
81545d45 RH |
1358 | /* The final processing done just before writing out an IA-64 ELF |
1359 | object file. */ | |
1360 | ||
1361 | static void | |
1362 | elfNN_ia64_final_write_processing (abfd, linker) | |
1363 | bfd *abfd; | |
b34976b6 | 1364 | bfd_boolean linker ATTRIBUTE_UNUSED; |
81545d45 RH |
1365 | { |
1366 | Elf_Internal_Shdr *hdr; | |
38ce5b11 | 1367 | asection *s; |
81545d45 RH |
1368 | |
1369 | for (s = abfd->sections; s; s = s->next) | |
1370 | { | |
1371 | hdr = &elf_section_data (s)->this_hdr; | |
1372 | switch (hdr->sh_type) | |
1373 | { | |
1374 | case SHT_IA_64_UNWIND: | |
38ce5b11 L |
1375 | /* The IA-64 processor-specific ABI requires setting sh_link |
1376 | to the unwind section, whereas HP-UX requires sh_info to | |
1377 | do so. For maximum compatibility, we'll set both for | |
1378 | now... */ | |
1379 | hdr->sh_info = hdr->sh_link; | |
81545d45 RH |
1380 | break; |
1381 | } | |
1382 | } | |
9d46020e AM |
1383 | |
1384 | if (! elf_flags_init (abfd)) | |
1385 | { | |
1386 | unsigned long flags = 0; | |
1387 | ||
1388 | if (abfd->xvec->byteorder == BFD_ENDIAN_BIG) | |
1389 | flags |= EF_IA_64_BE; | |
1390 | if (bfd_get_mach (abfd) == bfd_mach_ia64_elf64) | |
1391 | flags |= EF_IA_64_ABI64; | |
1392 | ||
1393 | elf_elfheader(abfd)->e_flags = flags; | |
b34976b6 | 1394 | elf_flags_init (abfd) = TRUE; |
9d46020e | 1395 | } |
81545d45 RH |
1396 | } |
1397 | ||
800eeca4 JW |
1398 | /* Hook called by the linker routine which adds symbols from an object |
1399 | file. We use it to put .comm items in .sbss, and not .bss. */ | |
1400 | ||
b34976b6 | 1401 | static bfd_boolean |
bbe66d08 | 1402 | elfNN_ia64_add_symbol_hook (abfd, info, sym, namep, flagsp, secp, valp) |
800eeca4 JW |
1403 | bfd *abfd; |
1404 | struct bfd_link_info *info; | |
555cd476 | 1405 | Elf_Internal_Sym *sym; |
64bf6ae6 JW |
1406 | const char **namep ATTRIBUTE_UNUSED; |
1407 | flagword *flagsp ATTRIBUTE_UNUSED; | |
800eeca4 JW |
1408 | asection **secp; |
1409 | bfd_vma *valp; | |
1410 | { | |
1411 | if (sym->st_shndx == SHN_COMMON | |
1049f94e | 1412 | && !info->relocatable |
c0846b23 | 1413 | && sym->st_size <= elf_gp_size (abfd)) |
800eeca4 JW |
1414 | { |
1415 | /* Common symbols less than or equal to -G nn bytes are | |
1416 | automatically put into .sbss. */ | |
1417 | ||
1418 | asection *scomm = bfd_get_section_by_name (abfd, ".scommon"); | |
1419 | ||
1420 | if (scomm == NULL) | |
1421 | { | |
1422 | scomm = bfd_make_section (abfd, ".scommon"); | |
1423 | if (scomm == NULL | |
1424 | || !bfd_set_section_flags (abfd, scomm, (SEC_ALLOC | |
1425 | | SEC_IS_COMMON | |
1426 | | SEC_LINKER_CREATED))) | |
b34976b6 | 1427 | return FALSE; |
800eeca4 JW |
1428 | } |
1429 | ||
1430 | *secp = scomm; | |
1431 | *valp = sym->st_size; | |
1432 | } | |
1433 | ||
b34976b6 | 1434 | return TRUE; |
800eeca4 JW |
1435 | } |
1436 | ||
1437 | /* Return the number of additional phdrs we will need. */ | |
1438 | ||
1439 | static int | |
bbe66d08 | 1440 | elfNN_ia64_additional_program_headers (abfd) |
800eeca4 JW |
1441 | bfd *abfd; |
1442 | { | |
1443 | asection *s; | |
1444 | int ret = 0; | |
1445 | ||
1446 | /* See if we need a PT_IA_64_ARCHEXT segment. */ | |
1447 | s = bfd_get_section_by_name (abfd, ELF_STRING_ia64_archext); | |
1448 | if (s && (s->flags & SEC_LOAD)) | |
1449 | ++ret; | |
1450 | ||
81545d45 RH |
1451 | /* Count how many PT_IA_64_UNWIND segments we need. */ |
1452 | for (s = abfd->sections; s; s = s->next) | |
d9cf1b54 | 1453 | if (is_unwind_section_name (abfd, s->name) && (s->flags & SEC_LOAD)) |
81545d45 | 1454 | ++ret; |
800eeca4 JW |
1455 | |
1456 | return ret; | |
1457 | } | |
1458 | ||
b34976b6 | 1459 | static bfd_boolean |
c84fca4d | 1460 | elfNN_ia64_modify_segment_map (abfd, info) |
800eeca4 | 1461 | bfd *abfd; |
c84fca4d | 1462 | struct bfd_link_info *info ATTRIBUTE_UNUSED; |
800eeca4 JW |
1463 | { |
1464 | struct elf_segment_map *m, **pm; | |
81545d45 | 1465 | Elf_Internal_Shdr *hdr; |
800eeca4 JW |
1466 | asection *s; |
1467 | ||
1468 | /* If we need a PT_IA_64_ARCHEXT segment, it must come before | |
1469 | all PT_LOAD segments. */ | |
1470 | s = bfd_get_section_by_name (abfd, ELF_STRING_ia64_archext); | |
1471 | if (s && (s->flags & SEC_LOAD)) | |
1472 | { | |
1473 | for (m = elf_tdata (abfd)->segment_map; m != NULL; m = m->next) | |
1474 | if (m->p_type == PT_IA_64_ARCHEXT) | |
1475 | break; | |
1476 | if (m == NULL) | |
1477 | { | |
dc810e39 AM |
1478 | m = ((struct elf_segment_map *) |
1479 | bfd_zalloc (abfd, (bfd_size_type) sizeof *m)); | |
800eeca4 | 1480 | if (m == NULL) |
b34976b6 | 1481 | return FALSE; |
800eeca4 JW |
1482 | |
1483 | m->p_type = PT_IA_64_ARCHEXT; | |
1484 | m->count = 1; | |
1485 | m->sections[0] = s; | |
1486 | ||
1487 | /* We want to put it after the PHDR and INTERP segments. */ | |
1488 | pm = &elf_tdata (abfd)->segment_map; | |
1489 | while (*pm != NULL | |
1490 | && ((*pm)->p_type == PT_PHDR | |
1491 | || (*pm)->p_type == PT_INTERP)) | |
1492 | pm = &(*pm)->next; | |
1493 | ||
1494 | m->next = *pm; | |
1495 | *pm = m; | |
1496 | } | |
1497 | } | |
1498 | ||
81545d45 RH |
1499 | /* Install PT_IA_64_UNWIND segments, if needed. */ |
1500 | for (s = abfd->sections; s; s = s->next) | |
800eeca4 | 1501 | { |
81545d45 RH |
1502 | hdr = &elf_section_data (s)->this_hdr; |
1503 | if (hdr->sh_type != SHT_IA_64_UNWIND) | |
1504 | continue; | |
1505 | ||
1506 | if (s && (s->flags & SEC_LOAD)) | |
800eeca4 | 1507 | { |
81545d45 | 1508 | for (m = elf_tdata (abfd)->segment_map; m != NULL; m = m->next) |
d9cf1b54 AM |
1509 | if (m->p_type == PT_IA_64_UNWIND) |
1510 | { | |
40c97fc6 AM |
1511 | int i; |
1512 | ||
d9cf1b54 AM |
1513 | /* Look through all sections in the unwind segment |
1514 | for a match since there may be multiple sections | |
1515 | to a segment. */ | |
40c97fc6 AM |
1516 | for (i = m->count - 1; i >= 0; --i) |
1517 | if (m->sections[i] == s) | |
1518 | break; | |
d9cf1b54 | 1519 | |
40c97fc6 | 1520 | if (i >= 0) |
d9cf1b54 AM |
1521 | break; |
1522 | } | |
81545d45 | 1523 | |
800eeca4 | 1524 | if (m == NULL) |
81545d45 | 1525 | { |
dc810e39 AM |
1526 | m = ((struct elf_segment_map *) |
1527 | bfd_zalloc (abfd, (bfd_size_type) sizeof *m)); | |
81545d45 | 1528 | if (m == NULL) |
b34976b6 | 1529 | return FALSE; |
800eeca4 | 1530 | |
81545d45 RH |
1531 | m->p_type = PT_IA_64_UNWIND; |
1532 | m->count = 1; | |
1533 | m->sections[0] = s; | |
1534 | m->next = NULL; | |
800eeca4 | 1535 | |
81545d45 RH |
1536 | /* We want to put it last. */ |
1537 | pm = &elf_tdata (abfd)->segment_map; | |
1538 | while (*pm != NULL) | |
1539 | pm = &(*pm)->next; | |
1540 | *pm = m; | |
1541 | } | |
800eeca4 JW |
1542 | } |
1543 | } | |
1544 | ||
1545 | /* Turn on PF_IA_64_NORECOV if needed. This involves traversing all of | |
1546 | the input sections for each output section in the segment and testing | |
1547 | for SHF_IA_64_NORECOV on each. */ | |
1548 | for (m = elf_tdata (abfd)->segment_map; m != NULL; m = m->next) | |
1549 | if (m->p_type == PT_LOAD) | |
1550 | { | |
1551 | int i; | |
1552 | for (i = m->count - 1; i >= 0; --i) | |
1553 | { | |
1554 | struct bfd_link_order *order = m->sections[i]->link_order_head; | |
1555 | while (order) | |
1556 | { | |
1557 | if (order->type == bfd_indirect_link_order) | |
1558 | { | |
1559 | asection *is = order->u.indirect.section; | |
1560 | bfd_vma flags = elf_section_data(is)->this_hdr.sh_flags; | |
1561 | if (flags & SHF_IA_64_NORECOV) | |
1562 | { | |
1563 | m->p_flags |= PF_IA_64_NORECOV; | |
1564 | goto found; | |
1565 | } | |
1566 | } | |
1567 | order = order->next; | |
1568 | } | |
1569 | } | |
1570 | found:; | |
1571 | } | |
1572 | ||
b34976b6 | 1573 | return TRUE; |
800eeca4 JW |
1574 | } |
1575 | ||
800eeca4 JW |
1576 | /* According to the Tahoe assembler spec, all labels starting with a |
1577 | '.' are local. */ | |
1578 | ||
b34976b6 | 1579 | static bfd_boolean |
bbe66d08 | 1580 | elfNN_ia64_is_local_label_name (abfd, name) |
64bf6ae6 | 1581 | bfd *abfd ATTRIBUTE_UNUSED; |
800eeca4 JW |
1582 | const char *name; |
1583 | { | |
1584 | return name[0] == '.'; | |
1585 | } | |
1586 | ||
1587 | /* Should we do dynamic things to this symbol? */ | |
1588 | ||
b34976b6 | 1589 | static bfd_boolean |
986a241f | 1590 | elfNN_ia64_dynamic_symbol_p (h, info, r_type) |
800eeca4 JW |
1591 | struct elf_link_hash_entry *h; |
1592 | struct bfd_link_info *info; | |
986a241f | 1593 | int r_type; |
800eeca4 | 1594 | { |
986a241f RH |
1595 | bfd_boolean ignore_protected |
1596 | = ((r_type & 0xf8) == 0x40 /* FPTR relocs */ | |
1597 | || (r_type & 0xf8) == 0x50); /* LTOFF_FPTR relocs */ | |
800eeca4 | 1598 | |
986a241f | 1599 | return _bfd_elf_dynamic_symbol_p (h, info, ignore_protected); |
800eeca4 JW |
1600 | } |
1601 | \f | |
800eeca4 | 1602 | static struct bfd_hash_entry* |
bbe66d08 | 1603 | elfNN_ia64_new_elf_hash_entry (entry, table, string) |
800eeca4 JW |
1604 | struct bfd_hash_entry *entry; |
1605 | struct bfd_hash_table *table; | |
1606 | const char *string; | |
1607 | { | |
bbe66d08 JW |
1608 | struct elfNN_ia64_link_hash_entry *ret; |
1609 | ret = (struct elfNN_ia64_link_hash_entry *) entry; | |
800eeca4 JW |
1610 | |
1611 | /* Allocate the structure if it has not already been allocated by a | |
1612 | subclass. */ | |
1613 | if (!ret) | |
1614 | ret = bfd_hash_allocate (table, sizeof (*ret)); | |
1615 | ||
1616 | if (!ret) | |
1617 | return 0; | |
1618 | ||
1619 | /* Initialize our local data. All zeros, and definitely easier | |
1620 | than setting a handful of bit fields. */ | |
3e932841 | 1621 | memset (ret, 0, sizeof (*ret)); |
800eeca4 JW |
1622 | |
1623 | /* Call the allocation method of the superclass. */ | |
bbe66d08 | 1624 | ret = ((struct elfNN_ia64_link_hash_entry *) |
800eeca4 JW |
1625 | _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret, |
1626 | table, string)); | |
1627 | ||
1628 | return (struct bfd_hash_entry *) ret; | |
1629 | } | |
1630 | ||
1631 | static void | |
b48fa14c | 1632 | elfNN_ia64_hash_copy_indirect (bed, xdir, xind) |
9c5bfbb7 | 1633 | const struct elf_backend_data *bed ATTRIBUTE_UNUSED; |
800eeca4 JW |
1634 | struct elf_link_hash_entry *xdir, *xind; |
1635 | { | |
bbe66d08 | 1636 | struct elfNN_ia64_link_hash_entry *dir, *ind; |
800eeca4 | 1637 | |
57c7194e AM |
1638 | dir = (struct elfNN_ia64_link_hash_entry *) xdir; |
1639 | ind = (struct elfNN_ia64_link_hash_entry *) xind; | |
800eeca4 | 1640 | |
3e932841 | 1641 | /* Copy down any references that we may have already seen to the |
800eeca4 JW |
1642 | symbol which just became indirect. */ |
1643 | ||
f5385ebf AM |
1644 | dir->root.ref_dynamic |= ind->root.ref_dynamic; |
1645 | dir->root.ref_regular |= ind->root.ref_regular; | |
1646 | dir->root.ref_regular_nonweak |= ind->root.ref_regular_nonweak; | |
1647 | dir->root.needs_plt |= ind->root.needs_plt; | |
800eeca4 | 1648 | |
1e370bd2 | 1649 | if (ind->root.root.type != bfd_link_hash_indirect) |
0a991dfe AM |
1650 | return; |
1651 | ||
800eeca4 JW |
1652 | /* Copy over the got and plt data. This would have been done |
1653 | by check_relocs. */ | |
1654 | ||
1655 | if (dir->info == NULL) | |
1656 | { | |
bbe66d08 | 1657 | struct elfNN_ia64_dyn_sym_info *dyn_i; |
800eeca4 JW |
1658 | |
1659 | dir->info = dyn_i = ind->info; | |
1660 | ind->info = NULL; | |
1661 | ||
1662 | /* Fix up the dyn_sym_info pointers to the global symbol. */ | |
1663 | for (; dyn_i; dyn_i = dyn_i->next) | |
1664 | dyn_i->h = &dir->root; | |
1665 | } | |
1666 | BFD_ASSERT (ind->info == NULL); | |
1667 | ||
1668 | /* Copy over the dynindx. */ | |
1669 | ||
1670 | if (dir->root.dynindx == -1) | |
1671 | { | |
1672 | dir->root.dynindx = ind->root.dynindx; | |
1673 | dir->root.dynstr_index = ind->root.dynstr_index; | |
1674 | ind->root.dynindx = -1; | |
1675 | ind->root.dynstr_index = 0; | |
1676 | } | |
1677 | BFD_ASSERT (ind->root.dynindx == -1); | |
1678 | } | |
1679 | ||
1680 | static void | |
e5094212 AM |
1681 | elfNN_ia64_hash_hide_symbol (info, xh, force_local) |
1682 | struct bfd_link_info *info; | |
800eeca4 | 1683 | struct elf_link_hash_entry *xh; |
b34976b6 | 1684 | bfd_boolean force_local; |
800eeca4 | 1685 | { |
bbe66d08 JW |
1686 | struct elfNN_ia64_link_hash_entry *h; |
1687 | struct elfNN_ia64_dyn_sym_info *dyn_i; | |
800eeca4 | 1688 | |
bbe66d08 | 1689 | h = (struct elfNN_ia64_link_hash_entry *)xh; |
800eeca4 | 1690 | |
e5094212 | 1691 | _bfd_elf_link_hash_hide_symbol (info, &h->root, force_local); |
800eeca4 JW |
1692 | |
1693 | for (dyn_i = h->info; dyn_i; dyn_i = dyn_i->next) | |
6a32c710 L |
1694 | { |
1695 | dyn_i->want_plt2 = 0; | |
1696 | dyn_i->want_plt = 0; | |
1697 | } | |
800eeca4 JW |
1698 | } |
1699 | ||
0aa92b58 JJ |
1700 | /* Compute a hash of a local hash entry. */ |
1701 | ||
1702 | static hashval_t | |
1703 | elfNN_ia64_local_htab_hash (ptr) | |
1704 | const void *ptr; | |
1705 | { | |
1706 | struct elfNN_ia64_local_hash_entry *entry | |
1707 | = (struct elfNN_ia64_local_hash_entry *) ptr; | |
1708 | ||
1709 | return (((entry->id & 0xff) << 24) | ((entry->id & 0xff00) << 8)) | |
1710 | ^ entry->r_sym ^ (entry->id >> 16); | |
1711 | } | |
1712 | ||
1713 | /* Compare local hash entries. */ | |
1714 | ||
1715 | static int | |
1716 | elfNN_ia64_local_htab_eq (ptr1, ptr2) | |
1717 | const void *ptr1, *ptr2; | |
1718 | { | |
1719 | struct elfNN_ia64_local_hash_entry *entry1 | |
1720 | = (struct elfNN_ia64_local_hash_entry *) ptr1; | |
1721 | struct elfNN_ia64_local_hash_entry *entry2 | |
1722 | = (struct elfNN_ia64_local_hash_entry *) ptr2; | |
1723 | ||
1724 | return entry1->id == entry2->id && entry1->r_sym == entry2->r_sym; | |
1725 | } | |
1726 | ||
800eeca4 JW |
1727 | /* Create the derived linker hash table. The IA-64 ELF port uses this |
1728 | derived hash table to keep information specific to the IA-64 ElF | |
1729 | linker (without using static variables). */ | |
1730 | ||
1731 | static struct bfd_link_hash_table* | |
bbe66d08 | 1732 | elfNN_ia64_hash_table_create (abfd) |
800eeca4 JW |
1733 | bfd *abfd; |
1734 | { | |
bbe66d08 | 1735 | struct elfNN_ia64_link_hash_table *ret; |
800eeca4 | 1736 | |
6e84a906 | 1737 | ret = bfd_zmalloc ((bfd_size_type) sizeof (*ret)); |
800eeca4 JW |
1738 | if (!ret) |
1739 | return 0; | |
6e84a906 | 1740 | |
800eeca4 | 1741 | if (!_bfd_elf_link_hash_table_init (&ret->root, abfd, |
bbe66d08 | 1742 | elfNN_ia64_new_elf_hash_entry)) |
800eeca4 | 1743 | { |
6e84a906 | 1744 | free (ret); |
800eeca4 JW |
1745 | return 0; |
1746 | } | |
1747 | ||
0aa92b58 JJ |
1748 | ret->loc_hash_table = htab_try_create (1024, elfNN_ia64_local_htab_hash, |
1749 | elfNN_ia64_local_htab_eq, NULL); | |
1750 | ret->loc_hash_memory = objalloc_create (); | |
1751 | if (!ret->loc_hash_table || !ret->loc_hash_memory) | |
6e84a906 DJ |
1752 | { |
1753 | free (ret); | |
1754 | return 0; | |
1755 | } | |
1756 | ||
800eeca4 JW |
1757 | return &ret->root.root; |
1758 | } | |
1759 | ||
0aa92b58 | 1760 | /* Destroy IA-64 linker hash table. */ |
800eeca4 | 1761 | |
0aa92b58 JJ |
1762 | static void |
1763 | elfNN_ia64_hash_table_free (hash) | |
1764 | struct bfd_link_hash_table *hash; | |
800eeca4 | 1765 | { |
0aa92b58 JJ |
1766 | struct elfNN_ia64_link_hash_table *ia64_info |
1767 | = (struct elfNN_ia64_link_hash_table *) hash; | |
1768 | if (ia64_info->loc_hash_table) | |
1769 | htab_delete (ia64_info->loc_hash_table); | |
1770 | if (ia64_info->loc_hash_memory) | |
1771 | objalloc_free ((struct objalloc *) ia64_info->loc_hash_memory); | |
1772 | _bfd_generic_link_hash_table_free (hash); | |
800eeca4 JW |
1773 | } |
1774 | ||
1775 | /* Traverse both local and global hash tables. */ | |
1776 | ||
bbe66d08 | 1777 | struct elfNN_ia64_dyn_sym_traverse_data |
800eeca4 | 1778 | { |
b34976b6 | 1779 | bfd_boolean (*func) PARAMS ((struct elfNN_ia64_dyn_sym_info *, PTR)); |
800eeca4 JW |
1780 | PTR data; |
1781 | }; | |
1782 | ||
b34976b6 | 1783 | static bfd_boolean |
bbe66d08 | 1784 | elfNN_ia64_global_dyn_sym_thunk (xentry, xdata) |
800eeca4 JW |
1785 | struct bfd_hash_entry *xentry; |
1786 | PTR xdata; | |
1787 | { | |
bbe66d08 JW |
1788 | struct elfNN_ia64_link_hash_entry *entry |
1789 | = (struct elfNN_ia64_link_hash_entry *) xentry; | |
1790 | struct elfNN_ia64_dyn_sym_traverse_data *data | |
1791 | = (struct elfNN_ia64_dyn_sym_traverse_data *) xdata; | |
1792 | struct elfNN_ia64_dyn_sym_info *dyn_i; | |
800eeca4 | 1793 | |
e92d460e AM |
1794 | if (entry->root.root.type == bfd_link_hash_warning) |
1795 | entry = (struct elfNN_ia64_link_hash_entry *) entry->root.root.u.i.link; | |
1796 | ||
800eeca4 JW |
1797 | for (dyn_i = entry->info; dyn_i; dyn_i = dyn_i->next) |
1798 | if (! (*data->func) (dyn_i, data->data)) | |
b34976b6 AM |
1799 | return FALSE; |
1800 | return TRUE; | |
800eeca4 JW |
1801 | } |
1802 | ||
b34976b6 | 1803 | static bfd_boolean |
0aa92b58 JJ |
1804 | elfNN_ia64_local_dyn_sym_thunk (slot, xdata) |
1805 | void **slot; | |
800eeca4 JW |
1806 | PTR xdata; |
1807 | { | |
bbe66d08 | 1808 | struct elfNN_ia64_local_hash_entry *entry |
0aa92b58 | 1809 | = (struct elfNN_ia64_local_hash_entry *) *slot; |
bbe66d08 JW |
1810 | struct elfNN_ia64_dyn_sym_traverse_data *data |
1811 | = (struct elfNN_ia64_dyn_sym_traverse_data *) xdata; | |
1812 | struct elfNN_ia64_dyn_sym_info *dyn_i; | |
800eeca4 JW |
1813 | |
1814 | for (dyn_i = entry->info; dyn_i; dyn_i = dyn_i->next) | |
1815 | if (! (*data->func) (dyn_i, data->data)) | |
0aa92b58 JJ |
1816 | return 0; |
1817 | return 1; | |
800eeca4 JW |
1818 | } |
1819 | ||
1820 | static void | |
bbe66d08 JW |
1821 | elfNN_ia64_dyn_sym_traverse (ia64_info, func, data) |
1822 | struct elfNN_ia64_link_hash_table *ia64_info; | |
b34976b6 | 1823 | bfd_boolean (*func) PARAMS ((struct elfNN_ia64_dyn_sym_info *, PTR)); |
800eeca4 JW |
1824 | PTR data; |
1825 | { | |
bbe66d08 | 1826 | struct elfNN_ia64_dyn_sym_traverse_data xdata; |
800eeca4 JW |
1827 | |
1828 | xdata.func = func; | |
1829 | xdata.data = data; | |
1830 | ||
1831 | elf_link_hash_traverse (&ia64_info->root, | |
bbe66d08 | 1832 | elfNN_ia64_global_dyn_sym_thunk, &xdata); |
0aa92b58 JJ |
1833 | htab_traverse (ia64_info->loc_hash_table, |
1834 | elfNN_ia64_local_dyn_sym_thunk, &xdata); | |
800eeca4 JW |
1835 | } |
1836 | \f | |
b34976b6 | 1837 | static bfd_boolean |
bbe66d08 | 1838 | elfNN_ia64_create_dynamic_sections (abfd, info) |
800eeca4 JW |
1839 | bfd *abfd; |
1840 | struct bfd_link_info *info; | |
1841 | { | |
bbe66d08 | 1842 | struct elfNN_ia64_link_hash_table *ia64_info; |
800eeca4 JW |
1843 | asection *s; |
1844 | ||
1845 | if (! _bfd_elf_create_dynamic_sections (abfd, info)) | |
b34976b6 | 1846 | return FALSE; |
800eeca4 | 1847 | |
bbe66d08 | 1848 | ia64_info = elfNN_ia64_hash_table (info); |
800eeca4 JW |
1849 | |
1850 | ia64_info->plt_sec = bfd_get_section_by_name (abfd, ".plt"); | |
1851 | ia64_info->got_sec = bfd_get_section_by_name (abfd, ".got"); | |
1852 | ||
1853 | { | |
1854 | flagword flags = bfd_get_section_flags (abfd, ia64_info->got_sec); | |
1855 | bfd_set_section_flags (abfd, ia64_info->got_sec, SEC_SMALL_DATA | flags); | |
69bbc4c0 L |
1856 | /* The .got section is always aligned at 8 bytes. */ |
1857 | bfd_set_section_alignment (abfd, ia64_info->got_sec, 3); | |
800eeca4 JW |
1858 | } |
1859 | ||
1860 | if (!get_pltoff (abfd, info, ia64_info)) | |
b34976b6 | 1861 | return FALSE; |
800eeca4 JW |
1862 | |
1863 | s = bfd_make_section(abfd, ".rela.IA_64.pltoff"); | |
1864 | if (s == NULL | |
1865 | || !bfd_set_section_flags (abfd, s, (SEC_ALLOC | SEC_LOAD | |
1866 | | SEC_HAS_CONTENTS | |
1867 | | SEC_IN_MEMORY | |
1868 | | SEC_LINKER_CREATED | |
1869 | | SEC_READONLY)) | |
1870 | || !bfd_set_section_alignment (abfd, s, 3)) | |
b34976b6 | 1871 | return FALSE; |
800eeca4 JW |
1872 | ia64_info->rel_pltoff_sec = s; |
1873 | ||
1874 | s = bfd_make_section(abfd, ".rela.got"); | |
1875 | if (s == NULL | |
1876 | || !bfd_set_section_flags (abfd, s, (SEC_ALLOC | SEC_LOAD | |
1877 | | SEC_HAS_CONTENTS | |
1878 | | SEC_IN_MEMORY | |
1879 | | SEC_LINKER_CREATED | |
1880 | | SEC_READONLY)) | |
1881 | || !bfd_set_section_alignment (abfd, s, 3)) | |
b34976b6 | 1882 | return FALSE; |
800eeca4 JW |
1883 | ia64_info->rel_got_sec = s; |
1884 | ||
b34976b6 | 1885 | return TRUE; |
800eeca4 JW |
1886 | } |
1887 | ||
f7460f5f JJ |
1888 | /* Find and/or create a hash entry for local symbol. */ |
1889 | static struct elfNN_ia64_local_hash_entry * | |
1890 | get_local_sym_hash (ia64_info, abfd, rel, create) | |
1891 | struct elfNN_ia64_link_hash_table *ia64_info; | |
1892 | bfd *abfd; | |
1893 | const Elf_Internal_Rela *rel; | |
b34976b6 | 1894 | bfd_boolean create; |
f7460f5f | 1895 | { |
0aa92b58 | 1896 | struct elfNN_ia64_local_hash_entry e, *ret; |
d48770d4 | 1897 | asection *sec = abfd->sections; |
0aa92b58 JJ |
1898 | hashval_t h = (((sec->id & 0xff) << 24) | ((sec->id & 0xff00) << 8)) |
1899 | ^ ELFNN_R_SYM (rel->r_info) ^ (sec->id >> 16); | |
1900 | void **slot; | |
d48770d4 | 1901 | |
0aa92b58 JJ |
1902 | e.id = sec->id; |
1903 | e.r_sym = ELFNN_R_SYM (rel->r_info); | |
1904 | slot = htab_find_slot_with_hash (ia64_info->loc_hash_table, &e, h, | |
1905 | create ? INSERT : NO_INSERT); | |
f7460f5f | 1906 | |
0aa92b58 JJ |
1907 | if (!slot) |
1908 | return NULL; | |
f7460f5f | 1909 | |
0aa92b58 JJ |
1910 | if (*slot) |
1911 | return (struct elfNN_ia64_local_hash_entry *) *slot; | |
f7460f5f | 1912 | |
0aa92b58 JJ |
1913 | ret = (struct elfNN_ia64_local_hash_entry *) |
1914 | objalloc_alloc ((struct objalloc *) ia64_info->loc_hash_memory, | |
1915 | sizeof (struct elfNN_ia64_local_hash_entry)); | |
1916 | if (ret) | |
1917 | { | |
1918 | memset (ret, 0, sizeof (*ret)); | |
1919 | ret->id = sec->id; | |
1920 | ret->r_sym = ELFNN_R_SYM (rel->r_info); | |
1921 | *slot = ret; | |
1922 | } | |
fcf12726 | 1923 | return ret; |
f7460f5f JJ |
1924 | } |
1925 | ||
800eeca4 JW |
1926 | /* Find and/or create a descriptor for dynamic symbol info. This will |
1927 | vary based on global or local symbol, and the addend to the reloc. */ | |
1928 | ||
bbe66d08 | 1929 | static struct elfNN_ia64_dyn_sym_info * |
800eeca4 | 1930 | get_dyn_sym_info (ia64_info, h, abfd, rel, create) |
bbe66d08 | 1931 | struct elfNN_ia64_link_hash_table *ia64_info; |
800eeca4 JW |
1932 | struct elf_link_hash_entry *h; |
1933 | bfd *abfd; | |
1934 | const Elf_Internal_Rela *rel; | |
b34976b6 | 1935 | bfd_boolean create; |
800eeca4 | 1936 | { |
bbe66d08 JW |
1937 | struct elfNN_ia64_dyn_sym_info **pp; |
1938 | struct elfNN_ia64_dyn_sym_info *dyn_i; | |
800eeca4 | 1939 | bfd_vma addend = rel ? rel->r_addend : 0; |
3e932841 | 1940 | |
800eeca4 | 1941 | if (h) |
bbe66d08 | 1942 | pp = &((struct elfNN_ia64_link_hash_entry *)h)->info; |
800eeca4 JW |
1943 | else |
1944 | { | |
bbe66d08 | 1945 | struct elfNN_ia64_local_hash_entry *loc_h; |
800eeca4 | 1946 | |
f7460f5f | 1947 | loc_h = get_local_sym_hash (ia64_info, abfd, rel, create); |
f86b235a RH |
1948 | if (!loc_h) |
1949 | { | |
1950 | BFD_ASSERT (!create); | |
1951 | return NULL; | |
1952 | } | |
800eeca4 JW |
1953 | |
1954 | pp = &loc_h->info; | |
3e932841 | 1955 | } |
800eeca4 JW |
1956 | |
1957 | for (dyn_i = *pp; dyn_i && dyn_i->addend != addend; dyn_i = *pp) | |
1958 | pp = &dyn_i->next; | |
1959 | ||
1960 | if (dyn_i == NULL && create) | |
1961 | { | |
dc810e39 AM |
1962 | dyn_i = ((struct elfNN_ia64_dyn_sym_info *) |
1963 | bfd_zalloc (abfd, (bfd_size_type) sizeof *dyn_i)); | |
800eeca4 JW |
1964 | *pp = dyn_i; |
1965 | dyn_i->addend = addend; | |
1966 | } | |
1967 | ||
1968 | return dyn_i; | |
1969 | } | |
1970 | ||
1971 | static asection * | |
1972 | get_got (abfd, info, ia64_info) | |
1973 | bfd *abfd; | |
1974 | struct bfd_link_info *info; | |
bbe66d08 | 1975 | struct elfNN_ia64_link_hash_table *ia64_info; |
800eeca4 | 1976 | { |
64bf6ae6 | 1977 | asection *got; |
800eeca4 JW |
1978 | bfd *dynobj; |
1979 | ||
1980 | got = ia64_info->got_sec; | |
1981 | if (!got) | |
1982 | { | |
1983 | flagword flags; | |
1984 | ||
1985 | dynobj = ia64_info->root.dynobj; | |
1986 | if (!dynobj) | |
1987 | ia64_info->root.dynobj = dynobj = abfd; | |
1988 | if (!_bfd_elf_create_got_section (dynobj, info)) | |
1989 | return 0; | |
1990 | ||
1991 | got = bfd_get_section_by_name (dynobj, ".got"); | |
1992 | BFD_ASSERT (got); | |
1993 | ia64_info->got_sec = got; | |
1994 | ||
8651fcf9 L |
1995 | /* The .got section is always aligned at 8 bytes. */ |
1996 | if (!bfd_set_section_alignment (abfd, got, 3)) | |
1997 | return 0; | |
1998 | ||
800eeca4 JW |
1999 | flags = bfd_get_section_flags (abfd, got); |
2000 | bfd_set_section_flags (abfd, got, SEC_SMALL_DATA | flags); | |
2001 | } | |
2002 | ||
2003 | return got; | |
2004 | } | |
2005 | ||
2006 | /* Create function descriptor section (.opd). This section is called .opd | |
4cc11e76 | 2007 | because it contains "official procedure descriptors". The "official" |
800eeca4 JW |
2008 | refers to the fact that these descriptors are used when taking the address |
2009 | of a procedure, thus ensuring a unique address for each procedure. */ | |
2010 | ||
2011 | static asection * | |
2012 | get_fptr (abfd, info, ia64_info) | |
2013 | bfd *abfd; | |
9203ba99 | 2014 | struct bfd_link_info *info; |
bbe66d08 | 2015 | struct elfNN_ia64_link_hash_table *ia64_info; |
800eeca4 JW |
2016 | { |
2017 | asection *fptr; | |
2018 | bfd *dynobj; | |
2019 | ||
2020 | fptr = ia64_info->fptr_sec; | |
2021 | if (!fptr) | |
2022 | { | |
2023 | dynobj = ia64_info->root.dynobj; | |
2024 | if (!dynobj) | |
2025 | ia64_info->root.dynobj = dynobj = abfd; | |
2026 | ||
2027 | fptr = bfd_make_section (dynobj, ".opd"); | |
2028 | if (!fptr | |
2029 | || !bfd_set_section_flags (dynobj, fptr, | |
2030 | (SEC_ALLOC | |
2031 | | SEC_LOAD | |
2032 | | SEC_HAS_CONTENTS | |
2033 | | SEC_IN_MEMORY | |
9203ba99 | 2034 | | (info->pie ? 0 : SEC_READONLY) |
800eeca4 JW |
2035 | | SEC_LINKER_CREATED)) |
2036 | || !bfd_set_section_alignment (abfd, fptr, 4)) | |
2037 | { | |
2038 | BFD_ASSERT (0); | |
2039 | return NULL; | |
2040 | } | |
2041 | ||
2042 | ia64_info->fptr_sec = fptr; | |
9203ba99 JJ |
2043 | |
2044 | if (info->pie) | |
2045 | { | |
2046 | asection *fptr_rel; | |
55936540 | 2047 | fptr_rel = bfd_make_section(dynobj, ".rela.opd"); |
9203ba99 | 2048 | if (fptr_rel == NULL |
55936540 | 2049 | || !bfd_set_section_flags (dynobj, fptr_rel, |
9203ba99 JJ |
2050 | (SEC_ALLOC | SEC_LOAD |
2051 | | SEC_HAS_CONTENTS | |
2052 | | SEC_IN_MEMORY | |
2053 | | SEC_LINKER_CREATED | |
2054 | | SEC_READONLY)) | |
2055 | || !bfd_set_section_alignment (abfd, fptr_rel, 3)) | |
2056 | { | |
2057 | BFD_ASSERT (0); | |
2058 | return NULL; | |
2059 | } | |
2060 | ||
2061 | ia64_info->rel_fptr_sec = fptr_rel; | |
2062 | } | |
800eeca4 JW |
2063 | } |
2064 | ||
2065 | return fptr; | |
2066 | } | |
2067 | ||
2068 | static asection * | |
2069 | get_pltoff (abfd, info, ia64_info) | |
2070 | bfd *abfd; | |
64bf6ae6 | 2071 | struct bfd_link_info *info ATTRIBUTE_UNUSED; |
bbe66d08 | 2072 | struct elfNN_ia64_link_hash_table *ia64_info; |
800eeca4 JW |
2073 | { |
2074 | asection *pltoff; | |
2075 | bfd *dynobj; | |
2076 | ||
2077 | pltoff = ia64_info->pltoff_sec; | |
2078 | if (!pltoff) | |
2079 | { | |
2080 | dynobj = ia64_info->root.dynobj; | |
2081 | if (!dynobj) | |
2082 | ia64_info->root.dynobj = dynobj = abfd; | |
2083 | ||
2084 | pltoff = bfd_make_section (dynobj, ELF_STRING_ia64_pltoff); | |
2085 | if (!pltoff | |
2086 | || !bfd_set_section_flags (dynobj, pltoff, | |
2087 | (SEC_ALLOC | |
2088 | | SEC_LOAD | |
2089 | | SEC_HAS_CONTENTS | |
2090 | | SEC_IN_MEMORY | |
2091 | | SEC_SMALL_DATA | |
2092 | | SEC_LINKER_CREATED)) | |
2093 | || !bfd_set_section_alignment (abfd, pltoff, 4)) | |
2094 | { | |
2095 | BFD_ASSERT (0); | |
2096 | return NULL; | |
2097 | } | |
2098 | ||
2099 | ia64_info->pltoff_sec = pltoff; | |
2100 | } | |
2101 | ||
2102 | return pltoff; | |
2103 | } | |
2104 | ||
2105 | static asection * | |
2106 | get_reloc_section (abfd, ia64_info, sec, create) | |
2107 | bfd *abfd; | |
bbe66d08 | 2108 | struct elfNN_ia64_link_hash_table *ia64_info; |
800eeca4 | 2109 | asection *sec; |
b34976b6 | 2110 | bfd_boolean create; |
800eeca4 JW |
2111 | { |
2112 | const char *srel_name; | |
2113 | asection *srel; | |
2114 | bfd *dynobj; | |
2115 | ||
2116 | srel_name = (bfd_elf_string_from_elf_section | |
2117 | (abfd, elf_elfheader(abfd)->e_shstrndx, | |
2118 | elf_section_data(sec)->rel_hdr.sh_name)); | |
2119 | if (srel_name == NULL) | |
2120 | return NULL; | |
2121 | ||
2122 | BFD_ASSERT ((strncmp (srel_name, ".rela", 5) == 0 | |
2123 | && strcmp (bfd_get_section_name (abfd, sec), | |
2124 | srel_name+5) == 0) | |
2125 | || (strncmp (srel_name, ".rel", 4) == 0 | |
2126 | && strcmp (bfd_get_section_name (abfd, sec), | |
2127 | srel_name+4) == 0)); | |
2128 | ||
2129 | dynobj = ia64_info->root.dynobj; | |
2130 | if (!dynobj) | |
2131 | ia64_info->root.dynobj = dynobj = abfd; | |
2132 | ||
2133 | srel = bfd_get_section_by_name (dynobj, srel_name); | |
2134 | if (srel == NULL && create) | |
2135 | { | |
2136 | srel = bfd_make_section (dynobj, srel_name); | |
2137 | if (srel == NULL | |
2138 | || !bfd_set_section_flags (dynobj, srel, | |
2139 | (SEC_ALLOC | |
2140 | | SEC_LOAD | |
2141 | | SEC_HAS_CONTENTS | |
2142 | | SEC_IN_MEMORY | |
2143 | | SEC_LINKER_CREATED | |
2144 | | SEC_READONLY)) | |
2145 | || !bfd_set_section_alignment (dynobj, srel, 3)) | |
2146 | return NULL; | |
2147 | } | |
2148 | ||
2149 | return srel; | |
2150 | } | |
2151 | ||
b34976b6 | 2152 | static bfd_boolean |
ac33696c L |
2153 | count_dyn_reloc (bfd *abfd, struct elfNN_ia64_dyn_sym_info *dyn_i, |
2154 | asection *srel, int type, bfd_boolean reltext) | |
800eeca4 | 2155 | { |
bbe66d08 | 2156 | struct elfNN_ia64_dyn_reloc_entry *rent; |
800eeca4 JW |
2157 | |
2158 | for (rent = dyn_i->reloc_entries; rent; rent = rent->next) | |
2159 | if (rent->srel == srel && rent->type == type) | |
2160 | break; | |
2161 | ||
2162 | if (!rent) | |
2163 | { | |
dc810e39 AM |
2164 | rent = ((struct elfNN_ia64_dyn_reloc_entry *) |
2165 | bfd_alloc (abfd, (bfd_size_type) sizeof (*rent))); | |
800eeca4 | 2166 | if (!rent) |
b34976b6 | 2167 | return FALSE; |
800eeca4 JW |
2168 | |
2169 | rent->next = dyn_i->reloc_entries; | |
2170 | rent->srel = srel; | |
2171 | rent->type = type; | |
2172 | rent->count = 0; | |
2173 | dyn_i->reloc_entries = rent; | |
2174 | } | |
ac33696c | 2175 | rent->reltext = reltext; |
800eeca4 JW |
2176 | rent->count++; |
2177 | ||
b34976b6 | 2178 | return TRUE; |
800eeca4 JW |
2179 | } |
2180 | ||
b34976b6 | 2181 | static bfd_boolean |
bbe66d08 | 2182 | elfNN_ia64_check_relocs (abfd, info, sec, relocs) |
800eeca4 JW |
2183 | bfd *abfd; |
2184 | struct bfd_link_info *info; | |
2185 | asection *sec; | |
2186 | const Elf_Internal_Rela *relocs; | |
2187 | { | |
bbe66d08 | 2188 | struct elfNN_ia64_link_hash_table *ia64_info; |
800eeca4 JW |
2189 | const Elf_Internal_Rela *relend; |
2190 | Elf_Internal_Shdr *symtab_hdr; | |
2191 | const Elf_Internal_Rela *rel; | |
21a8f7fa | 2192 | asection *got, *fptr, *srel, *pltoff; |
800eeca4 | 2193 | |
1049f94e | 2194 | if (info->relocatable) |
b34976b6 | 2195 | return TRUE; |
800eeca4 JW |
2196 | |
2197 | symtab_hdr = &elf_tdata (abfd)->symtab_hdr; | |
bbe66d08 | 2198 | ia64_info = elfNN_ia64_hash_table (info); |
800eeca4 | 2199 | |
21a8f7fa | 2200 | got = fptr = srel = pltoff = NULL; |
800eeca4 JW |
2201 | |
2202 | relend = relocs + sec->reloc_count; | |
2203 | for (rel = relocs; rel < relend; ++rel) | |
2204 | { | |
2205 | enum { | |
2206 | NEED_GOT = 1, | |
2c4c2bc0 RH |
2207 | NEED_GOTX = 2, |
2208 | NEED_FPTR = 4, | |
2209 | NEED_PLTOFF = 8, | |
2210 | NEED_MIN_PLT = 16, | |
2211 | NEED_FULL_PLT = 32, | |
2212 | NEED_DYNREL = 64, | |
2213 | NEED_LTOFF_FPTR = 128, | |
2214 | NEED_TPREL = 256, | |
2215 | NEED_DTPMOD = 512, | |
2216 | NEED_DTPREL = 1024 | |
800eeca4 JW |
2217 | }; |
2218 | ||
2219 | struct elf_link_hash_entry *h = NULL; | |
bbe66d08 JW |
2220 | unsigned long r_symndx = ELFNN_R_SYM (rel->r_info); |
2221 | struct elfNN_ia64_dyn_sym_info *dyn_i; | |
800eeca4 | 2222 | int need_entry; |
b34976b6 | 2223 | bfd_boolean maybe_dynamic; |
64bf6ae6 | 2224 | int dynrel_type = R_IA64_NONE; |
800eeca4 JW |
2225 | |
2226 | if (r_symndx >= symtab_hdr->sh_info) | |
2227 | { | |
2228 | /* We're dealing with a global symbol -- find its hash entry | |
2229 | and mark it as being referenced. */ | |
2230 | long indx = r_symndx - symtab_hdr->sh_info; | |
2231 | h = elf_sym_hashes (abfd)[indx]; | |
2232 | while (h->root.type == bfd_link_hash_indirect | |
2233 | || h->root.type == bfd_link_hash_warning) | |
2234 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
2235 | ||
f5385ebf | 2236 | h->ref_regular = 1; |
800eeca4 JW |
2237 | } |
2238 | ||
2239 | /* We can only get preliminary data on whether a symbol is | |
2240 | locally or externally defined, as not all of the input files | |
2241 | have yet been processed. Do something with what we know, as | |
2242 | this may help reduce memory usage and processing time later. */ | |
b34976b6 | 2243 | maybe_dynamic = FALSE; |
9203ba99 | 2244 | if (h && ((!info->executable |
f5385ebf AM |
2245 | && (!info->symbolic |
2246 | || info->unresolved_syms_in_shared_libs == RM_IGNORE)) | |
2247 | || !h->def_regular | |
02e6ad56 | 2248 | || h->root.type == bfd_link_hash_defweak)) |
b34976b6 | 2249 | maybe_dynamic = TRUE; |
800eeca4 JW |
2250 | |
2251 | need_entry = 0; | |
bbe66d08 | 2252 | switch (ELFNN_R_TYPE (rel->r_info)) |
800eeca4 | 2253 | { |
800eeca4 JW |
2254 | case R_IA64_TPREL64MSB: |
2255 | case R_IA64_TPREL64LSB: | |
13ae64f3 JJ |
2256 | if (info->shared || maybe_dynamic) |
2257 | need_entry = NEED_DYNREL; | |
2258 | dynrel_type = R_IA64_TPREL64LSB; | |
2259 | if (info->shared) | |
2260 | info->flags |= DF_STATIC_TLS; | |
2261 | break; | |
2262 | ||
2263 | case R_IA64_LTOFF_TPREL22: | |
2264 | need_entry = NEED_TPREL; | |
2265 | if (info->shared) | |
2266 | info->flags |= DF_STATIC_TLS; | |
2267 | break; | |
2268 | ||
2269 | case R_IA64_DTPREL64MSB: | |
2270 | case R_IA64_DTPREL64LSB: | |
2271 | if (info->shared || maybe_dynamic) | |
2272 | need_entry = NEED_DYNREL; | |
2273 | dynrel_type = R_IA64_DTPREL64LSB; | |
2274 | break; | |
2275 | ||
2276 | case R_IA64_LTOFF_DTPREL22: | |
2277 | need_entry = NEED_DTPREL; | |
2278 | break; | |
2279 | ||
2280 | case R_IA64_DTPMOD64MSB: | |
2281 | case R_IA64_DTPMOD64LSB: | |
2282 | if (info->shared || maybe_dynamic) | |
2283 | need_entry = NEED_DYNREL; | |
2284 | dynrel_type = R_IA64_DTPMOD64LSB; | |
2285 | break; | |
2286 | ||
2287 | case R_IA64_LTOFF_DTPMOD22: | |
2288 | need_entry = NEED_DTPMOD; | |
2289 | break; | |
800eeca4 JW |
2290 | |
2291 | case R_IA64_LTOFF_FPTR22: | |
2292 | case R_IA64_LTOFF_FPTR64I: | |
a4bd8390 JW |
2293 | case R_IA64_LTOFF_FPTR32MSB: |
2294 | case R_IA64_LTOFF_FPTR32LSB: | |
800eeca4 JW |
2295 | case R_IA64_LTOFF_FPTR64MSB: |
2296 | case R_IA64_LTOFF_FPTR64LSB: | |
2297 | need_entry = NEED_FPTR | NEED_GOT | NEED_LTOFF_FPTR; | |
2298 | break; | |
2299 | ||
2300 | case R_IA64_FPTR64I: | |
2301 | case R_IA64_FPTR32MSB: | |
2302 | case R_IA64_FPTR32LSB: | |
2303 | case R_IA64_FPTR64MSB: | |
2304 | case R_IA64_FPTR64LSB: | |
02e6ad56 | 2305 | if (info->shared || h) |
800eeca4 JW |
2306 | need_entry = NEED_FPTR | NEED_DYNREL; |
2307 | else | |
2308 | need_entry = NEED_FPTR; | |
2309 | dynrel_type = R_IA64_FPTR64LSB; | |
2310 | break; | |
2311 | ||
2312 | case R_IA64_LTOFF22: | |
800eeca4 JW |
2313 | case R_IA64_LTOFF64I: |
2314 | need_entry = NEED_GOT; | |
2315 | break; | |
2316 | ||
2c4c2bc0 RH |
2317 | case R_IA64_LTOFF22X: |
2318 | need_entry = NEED_GOTX; | |
2319 | break; | |
2320 | ||
800eeca4 JW |
2321 | case R_IA64_PLTOFF22: |
2322 | case R_IA64_PLTOFF64I: | |
2323 | case R_IA64_PLTOFF64MSB: | |
2324 | case R_IA64_PLTOFF64LSB: | |
2325 | need_entry = NEED_PLTOFF; | |
2326 | if (h) | |
2327 | { | |
2328 | if (maybe_dynamic) | |
2329 | need_entry |= NEED_MIN_PLT; | |
2330 | } | |
2331 | else | |
2332 | { | |
2333 | (*info->callbacks->warning) | |
2334 | (info, _("@pltoff reloc against local symbol"), 0, | |
dc810e39 | 2335 | abfd, 0, (bfd_vma) 0); |
800eeca4 JW |
2336 | } |
2337 | break; | |
2338 | ||
2339 | case R_IA64_PCREL21B: | |
748abff6 | 2340 | case R_IA64_PCREL60B: |
800eeca4 JW |
2341 | /* Depending on where this symbol is defined, we may or may not |
2342 | need a full plt entry. Only skip if we know we'll not need | |
2343 | the entry -- static or symbolic, and the symbol definition | |
2344 | has already been seen. */ | |
2345 | if (maybe_dynamic && rel->r_addend == 0) | |
2346 | need_entry = NEED_FULL_PLT; | |
2347 | break; | |
2348 | ||
2349 | case R_IA64_IMM14: | |
2350 | case R_IA64_IMM22: | |
2351 | case R_IA64_IMM64: | |
2352 | case R_IA64_DIR32MSB: | |
2353 | case R_IA64_DIR32LSB: | |
2354 | case R_IA64_DIR64MSB: | |
2355 | case R_IA64_DIR64LSB: | |
2356 | /* Shared objects will always need at least a REL relocation. */ | |
02e6ad56 | 2357 | if (info->shared || maybe_dynamic) |
800eeca4 JW |
2358 | need_entry = NEED_DYNREL; |
2359 | dynrel_type = R_IA64_DIR64LSB; | |
2360 | break; | |
2361 | ||
18b27f17 RH |
2362 | case R_IA64_IPLTMSB: |
2363 | case R_IA64_IPLTLSB: | |
2364 | /* Shared objects will always need at least a REL relocation. */ | |
2365 | if (info->shared || maybe_dynamic) | |
2366 | need_entry = NEED_DYNREL; | |
2367 | dynrel_type = R_IA64_IPLTLSB; | |
2368 | break; | |
2369 | ||
748abff6 RH |
2370 | case R_IA64_PCREL22: |
2371 | case R_IA64_PCREL64I: | |
800eeca4 JW |
2372 | case R_IA64_PCREL32MSB: |
2373 | case R_IA64_PCREL32LSB: | |
2374 | case R_IA64_PCREL64MSB: | |
2375 | case R_IA64_PCREL64LSB: | |
2376 | if (maybe_dynamic) | |
2377 | need_entry = NEED_DYNREL; | |
2378 | dynrel_type = R_IA64_PCREL64LSB; | |
2379 | break; | |
2380 | } | |
2381 | ||
2382 | if (!need_entry) | |
2383 | continue; | |
2384 | ||
2385 | if ((need_entry & NEED_FPTR) != 0 | |
2386 | && rel->r_addend) | |
2387 | { | |
2388 | (*info->callbacks->warning) | |
2389 | (info, _("non-zero addend in @fptr reloc"), 0, | |
dc810e39 | 2390 | abfd, 0, (bfd_vma) 0); |
800eeca4 JW |
2391 | } |
2392 | ||
b34976b6 | 2393 | dyn_i = get_dyn_sym_info (ia64_info, h, abfd, rel, TRUE); |
800eeca4 JW |
2394 | |
2395 | /* Record whether or not this is a local symbol. */ | |
2396 | dyn_i->h = h; | |
2397 | ||
2398 | /* Create what's needed. */ | |
2c4c2bc0 RH |
2399 | if (need_entry & (NEED_GOT | NEED_GOTX | NEED_TPREL |
2400 | | NEED_DTPMOD | NEED_DTPREL)) | |
800eeca4 JW |
2401 | { |
2402 | if (!got) | |
2403 | { | |
2404 | got = get_got (abfd, info, ia64_info); | |
2405 | if (!got) | |
b34976b6 | 2406 | return FALSE; |
800eeca4 | 2407 | } |
13ae64f3 JJ |
2408 | if (need_entry & NEED_GOT) |
2409 | dyn_i->want_got = 1; | |
2c4c2bc0 RH |
2410 | if (need_entry & NEED_GOTX) |
2411 | dyn_i->want_gotx = 1; | |
13ae64f3 JJ |
2412 | if (need_entry & NEED_TPREL) |
2413 | dyn_i->want_tprel = 1; | |
2414 | if (need_entry & NEED_DTPMOD) | |
2415 | dyn_i->want_dtpmod = 1; | |
2416 | if (need_entry & NEED_DTPREL) | |
2417 | dyn_i->want_dtprel = 1; | |
800eeca4 JW |
2418 | } |
2419 | if (need_entry & NEED_FPTR) | |
2420 | { | |
2421 | if (!fptr) | |
2422 | { | |
2423 | fptr = get_fptr (abfd, info, ia64_info); | |
2424 | if (!fptr) | |
b34976b6 | 2425 | return FALSE; |
800eeca4 JW |
2426 | } |
2427 | ||
2428 | /* FPTRs for shared libraries are allocated by the dynamic | |
2429 | linker. Make sure this local symbol will appear in the | |
2430 | dynamic symbol table. */ | |
02e6ad56 | 2431 | if (!h && info->shared) |
800eeca4 | 2432 | { |
c152c796 | 2433 | if (! (bfd_elf_link_record_local_dynamic_symbol |
dc810e39 | 2434 | (info, abfd, (long) r_symndx))) |
b34976b6 | 2435 | return FALSE; |
800eeca4 JW |
2436 | } |
2437 | ||
2438 | dyn_i->want_fptr = 1; | |
2439 | } | |
2440 | if (need_entry & NEED_LTOFF_FPTR) | |
2441 | dyn_i->want_ltoff_fptr = 1; | |
2442 | if (need_entry & (NEED_MIN_PLT | NEED_FULL_PLT)) | |
2443 | { | |
2444 | if (!ia64_info->root.dynobj) | |
2445 | ia64_info->root.dynobj = abfd; | |
f5385ebf | 2446 | h->needs_plt = 1; |
800eeca4 JW |
2447 | dyn_i->want_plt = 1; |
2448 | } | |
2449 | if (need_entry & NEED_FULL_PLT) | |
2450 | dyn_i->want_plt2 = 1; | |
2451 | if (need_entry & NEED_PLTOFF) | |
21a8f7fa JW |
2452 | { |
2453 | /* This is needed here, in case @pltoff is used in a non-shared | |
2454 | link. */ | |
2455 | if (!pltoff) | |
2456 | { | |
2457 | pltoff = get_pltoff (abfd, info, ia64_info); | |
2458 | if (!pltoff) | |
2459 | return FALSE; | |
2460 | } | |
f12123c0 | 2461 | |
21a8f7fa JW |
2462 | dyn_i->want_pltoff = 1; |
2463 | } | |
800eeca4 JW |
2464 | if ((need_entry & NEED_DYNREL) && (sec->flags & SEC_ALLOC)) |
2465 | { | |
2466 | if (!srel) | |
2467 | { | |
b34976b6 | 2468 | srel = get_reloc_section (abfd, ia64_info, sec, TRUE); |
800eeca4 | 2469 | if (!srel) |
b34976b6 | 2470 | return FALSE; |
800eeca4 | 2471 | } |
ac33696c | 2472 | if (!count_dyn_reloc (abfd, dyn_i, srel, dynrel_type, |
de9811af | 2473 | (sec->flags & SEC_READONLY) != 0)) |
b34976b6 | 2474 | return FALSE; |
800eeca4 JW |
2475 | } |
2476 | } | |
2477 | ||
b34976b6 | 2478 | return TRUE; |
800eeca4 JW |
2479 | } |
2480 | ||
800eeca4 JW |
2481 | /* For cleanliness, and potentially faster dynamic loading, allocate |
2482 | external GOT entries first. */ | |
2483 | ||
b34976b6 | 2484 | static bfd_boolean |
800eeca4 | 2485 | allocate_global_data_got (dyn_i, data) |
bbe66d08 | 2486 | struct elfNN_ia64_dyn_sym_info *dyn_i; |
800eeca4 JW |
2487 | PTR data; |
2488 | { | |
bbe66d08 | 2489 | struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data; |
800eeca4 | 2490 | |
2c4c2bc0 | 2491 | if ((dyn_i->want_got || dyn_i->want_gotx) |
800eeca4 | 2492 | && ! dyn_i->want_fptr |
986a241f | 2493 | && elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info, 0)) |
800eeca4 JW |
2494 | { |
2495 | dyn_i->got_offset = x->ofs; | |
2496 | x->ofs += 8; | |
2497 | } | |
13ae64f3 JJ |
2498 | if (dyn_i->want_tprel) |
2499 | { | |
2500 | dyn_i->tprel_offset = x->ofs; | |
2501 | x->ofs += 8; | |
2502 | } | |
2503 | if (dyn_i->want_dtpmod) | |
2504 | { | |
986a241f | 2505 | if (elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info, 0)) |
b3dfd7fe JJ |
2506 | { |
2507 | dyn_i->dtpmod_offset = x->ofs; | |
2508 | x->ofs += 8; | |
2509 | } | |
2510 | else | |
2511 | { | |
2512 | struct elfNN_ia64_link_hash_table *ia64_info; | |
2513 | ||
2514 | ia64_info = elfNN_ia64_hash_table (x->info); | |
2515 | if (ia64_info->self_dtpmod_offset == (bfd_vma) -1) | |
2516 | { | |
2517 | ia64_info->self_dtpmod_offset = x->ofs; | |
2518 | x->ofs += 8; | |
2519 | } | |
2520 | dyn_i->dtpmod_offset = ia64_info->self_dtpmod_offset; | |
2521 | } | |
13ae64f3 JJ |
2522 | } |
2523 | if (dyn_i->want_dtprel) | |
2524 | { | |
2525 | dyn_i->dtprel_offset = x->ofs; | |
2526 | x->ofs += 8; | |
2527 | } | |
b34976b6 | 2528 | return TRUE; |
800eeca4 JW |
2529 | } |
2530 | ||
2531 | /* Next, allocate all the GOT entries used by LTOFF_FPTR relocs. */ | |
2532 | ||
b34976b6 | 2533 | static bfd_boolean |
800eeca4 | 2534 | allocate_global_fptr_got (dyn_i, data) |
bbe66d08 | 2535 | struct elfNN_ia64_dyn_sym_info *dyn_i; |
800eeca4 JW |
2536 | PTR data; |
2537 | { | |
bbe66d08 | 2538 | struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data; |
800eeca4 JW |
2539 | |
2540 | if (dyn_i->want_got | |
2541 | && dyn_i->want_fptr | |
986a241f | 2542 | && elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info, R_IA64_FPTR64LSB)) |
800eeca4 JW |
2543 | { |
2544 | dyn_i->got_offset = x->ofs; | |
2545 | x->ofs += 8; | |
2546 | } | |
b34976b6 | 2547 | return TRUE; |
800eeca4 JW |
2548 | } |
2549 | ||
2550 | /* Lastly, allocate all the GOT entries for local data. */ | |
2551 | ||
b34976b6 | 2552 | static bfd_boolean |
800eeca4 | 2553 | allocate_local_got (dyn_i, data) |
bbe66d08 | 2554 | struct elfNN_ia64_dyn_sym_info *dyn_i; |
800eeca4 JW |
2555 | PTR data; |
2556 | { | |
bbe66d08 | 2557 | struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data; |
800eeca4 | 2558 | |
2c4c2bc0 | 2559 | if ((dyn_i->want_got || dyn_i->want_gotx) |
986a241f | 2560 | && !elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info, 0)) |
800eeca4 JW |
2561 | { |
2562 | dyn_i->got_offset = x->ofs; | |
2563 | x->ofs += 8; | |
2564 | } | |
b34976b6 | 2565 | return TRUE; |
800eeca4 JW |
2566 | } |
2567 | ||
2568 | /* Search for the index of a global symbol in it's defining object file. */ | |
2569 | ||
dc810e39 | 2570 | static long |
800eeca4 JW |
2571 | global_sym_index (h) |
2572 | struct elf_link_hash_entry *h; | |
2573 | { | |
2574 | struct elf_link_hash_entry **p; | |
2575 | bfd *obj; | |
2576 | ||
2577 | BFD_ASSERT (h->root.type == bfd_link_hash_defined | |
2578 | || h->root.type == bfd_link_hash_defweak); | |
2579 | ||
2580 | obj = h->root.u.def.section->owner; | |
2581 | for (p = elf_sym_hashes (obj); *p != h; ++p) | |
2582 | continue; | |
2583 | ||
2584 | return p - elf_sym_hashes (obj) + elf_tdata (obj)->symtab_hdr.sh_info; | |
2585 | } | |
2586 | ||
2587 | /* Allocate function descriptors. We can do these for every function | |
2588 | in a main executable that is not exported. */ | |
2589 | ||
b34976b6 | 2590 | static bfd_boolean |
800eeca4 | 2591 | allocate_fptr (dyn_i, data) |
bbe66d08 | 2592 | struct elfNN_ia64_dyn_sym_info *dyn_i; |
800eeca4 JW |
2593 | PTR data; |
2594 | { | |
bbe66d08 | 2595 | struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data; |
800eeca4 JW |
2596 | |
2597 | if (dyn_i->want_fptr) | |
2598 | { | |
2599 | struct elf_link_hash_entry *h = dyn_i->h; | |
3e932841 | 2600 | |
800eeca4 JW |
2601 | if (h) |
2602 | while (h->root.type == bfd_link_hash_indirect | |
2603 | || h->root.type == bfd_link_hash_warning) | |
2604 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
2605 | ||
02e6ad56 RH |
2606 | if (!x->info->executable |
2607 | && (!h | |
2608 | || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT | |
2609 | || h->root.type != bfd_link_hash_undefweak)) | |
800eeca4 JW |
2610 | { |
2611 | if (h && h->dynindx == -1) | |
2612 | { | |
2613 | BFD_ASSERT ((h->root.type == bfd_link_hash_defined) | |
2614 | || (h->root.type == bfd_link_hash_defweak)); | |
2615 | ||
c152c796 | 2616 | if (!bfd_elf_link_record_local_dynamic_symbol |
800eeca4 JW |
2617 | (x->info, h->root.u.def.section->owner, |
2618 | global_sym_index (h))) | |
b34976b6 | 2619 | return FALSE; |
800eeca4 JW |
2620 | } |
2621 | ||
2622 | dyn_i->want_fptr = 0; | |
2623 | } | |
2624 | else if (h == NULL || h->dynindx == -1) | |
2625 | { | |
2626 | dyn_i->fptr_offset = x->ofs; | |
2627 | x->ofs += 16; | |
2628 | } | |
2629 | else | |
2630 | dyn_i->want_fptr = 0; | |
2631 | } | |
b34976b6 | 2632 | return TRUE; |
800eeca4 JW |
2633 | } |
2634 | ||
2635 | /* Allocate all the minimal PLT entries. */ | |
2636 | ||
b34976b6 | 2637 | static bfd_boolean |
800eeca4 | 2638 | allocate_plt_entries (dyn_i, data) |
bbe66d08 | 2639 | struct elfNN_ia64_dyn_sym_info *dyn_i; |
800eeca4 JW |
2640 | PTR data; |
2641 | { | |
bbe66d08 | 2642 | struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data; |
800eeca4 JW |
2643 | |
2644 | if (dyn_i->want_plt) | |
2645 | { | |
2646 | struct elf_link_hash_entry *h = dyn_i->h; | |
2647 | ||
2648 | if (h) | |
2649 | while (h->root.type == bfd_link_hash_indirect | |
2650 | || h->root.type == bfd_link_hash_warning) | |
2651 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
2652 | ||
f5385ebf | 2653 | /* ??? Versioned symbols seem to lose NEEDS_PLT. */ |
986a241f | 2654 | if (elfNN_ia64_dynamic_symbol_p (h, x->info, 0)) |
800eeca4 JW |
2655 | { |
2656 | bfd_size_type offset = x->ofs; | |
2657 | if (offset == 0) | |
2658 | offset = PLT_HEADER_SIZE; | |
2659 | dyn_i->plt_offset = offset; | |
2660 | x->ofs = offset + PLT_MIN_ENTRY_SIZE; | |
2661 | ||
2662 | dyn_i->want_pltoff = 1; | |
2663 | } | |
2664 | else | |
2665 | { | |
2666 | dyn_i->want_plt = 0; | |
2667 | dyn_i->want_plt2 = 0; | |
2668 | } | |
2669 | } | |
b34976b6 | 2670 | return TRUE; |
800eeca4 JW |
2671 | } |
2672 | ||
2673 | /* Allocate all the full PLT entries. */ | |
2674 | ||
b34976b6 | 2675 | static bfd_boolean |
800eeca4 | 2676 | allocate_plt2_entries (dyn_i, data) |
bbe66d08 | 2677 | struct elfNN_ia64_dyn_sym_info *dyn_i; |
800eeca4 JW |
2678 | PTR data; |
2679 | { | |
bbe66d08 | 2680 | struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data; |
800eeca4 JW |
2681 | |
2682 | if (dyn_i->want_plt2) | |
2683 | { | |
2684 | struct elf_link_hash_entry *h = dyn_i->h; | |
2685 | bfd_size_type ofs = x->ofs; | |
2686 | ||
2687 | dyn_i->plt2_offset = ofs; | |
2688 | x->ofs = ofs + PLT_FULL_ENTRY_SIZE; | |
2689 | ||
2690 | while (h->root.type == bfd_link_hash_indirect | |
2691 | || h->root.type == bfd_link_hash_warning) | |
2692 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
2693 | dyn_i->h->plt.offset = ofs; | |
2694 | } | |
b34976b6 | 2695 | return TRUE; |
800eeca4 JW |
2696 | } |
2697 | ||
2698 | /* Allocate all the PLTOFF entries requested by relocations and | |
2699 | plt entries. We can't share space with allocated FPTR entries, | |
2700 | because the latter are not necessarily addressable by the GP. | |
2701 | ??? Relaxation might be able to determine that they are. */ | |
2702 | ||
b34976b6 | 2703 | static bfd_boolean |
800eeca4 | 2704 | allocate_pltoff_entries (dyn_i, data) |
bbe66d08 | 2705 | struct elfNN_ia64_dyn_sym_info *dyn_i; |
800eeca4 JW |
2706 | PTR data; |
2707 | { | |
bbe66d08 | 2708 | struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data; |
800eeca4 JW |
2709 | |
2710 | if (dyn_i->want_pltoff) | |
2711 | { | |
2712 | dyn_i->pltoff_offset = x->ofs; | |
2713 | x->ofs += 16; | |
2714 | } | |
b34976b6 | 2715 | return TRUE; |
800eeca4 JW |
2716 | } |
2717 | ||
2718 | /* Allocate dynamic relocations for those symbols that turned out | |
2719 | to be dynamic. */ | |
2720 | ||
b34976b6 | 2721 | static bfd_boolean |
800eeca4 | 2722 | allocate_dynrel_entries (dyn_i, data) |
bbe66d08 | 2723 | struct elfNN_ia64_dyn_sym_info *dyn_i; |
800eeca4 JW |
2724 | PTR data; |
2725 | { | |
bbe66d08 JW |
2726 | struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data; |
2727 | struct elfNN_ia64_link_hash_table *ia64_info; | |
2728 | struct elfNN_ia64_dyn_reloc_entry *rent; | |
ef5aade5 | 2729 | bfd_boolean dynamic_symbol, shared, resolved_zero; |
800eeca4 | 2730 | |
bbe66d08 | 2731 | ia64_info = elfNN_ia64_hash_table (x->info); |
986a241f RH |
2732 | |
2733 | /* Note that this can't be used in relation to FPTR relocs below. */ | |
2734 | dynamic_symbol = elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info, 0); | |
2735 | ||
800eeca4 | 2736 | shared = x->info->shared; |
ef5aade5 L |
2737 | resolved_zero = (dyn_i->h |
2738 | && ELF_ST_VISIBILITY (dyn_i->h->other) | |
2739 | && dyn_i->h->root.type == bfd_link_hash_undefweak); | |
800eeca4 JW |
2740 | |
2741 | /* Take care of the normal data relocations. */ | |
2742 | ||
2743 | for (rent = dyn_i->reloc_entries; rent; rent = rent->next) | |
2744 | { | |
18b27f17 RH |
2745 | int count = rent->count; |
2746 | ||
800eeca4 JW |
2747 | switch (rent->type) |
2748 | { | |
2749 | case R_IA64_FPTR64LSB: | |
9203ba99 JJ |
2750 | /* Allocate one iff !want_fptr and not PIE, which by this point |
2751 | will be true only if we're actually allocating one statically | |
2752 | in the main executable. Position independent executables | |
2753 | need a relative reloc. */ | |
2754 | if (dyn_i->want_fptr && !x->info->pie) | |
800eeca4 JW |
2755 | continue; |
2756 | break; | |
2757 | case R_IA64_PCREL64LSB: | |
2758 | if (!dynamic_symbol) | |
2759 | continue; | |
2760 | break; | |
2761 | case R_IA64_DIR64LSB: | |
2762 | if (!dynamic_symbol && !shared) | |
2763 | continue; | |
2764 | break; | |
18b27f17 RH |
2765 | case R_IA64_IPLTLSB: |
2766 | if (!dynamic_symbol && !shared) | |
2767 | continue; | |
2768 | /* Use two REL relocations for IPLT relocations | |
2769 | against local symbols. */ | |
2770 | if (!dynamic_symbol) | |
2771 | count *= 2; | |
2772 | break; | |
13ae64f3 JJ |
2773 | case R_IA64_TPREL64LSB: |
2774 | case R_IA64_DTPREL64LSB: | |
2775 | case R_IA64_DTPMOD64LSB: | |
2776 | break; | |
18b27f17 RH |
2777 | default: |
2778 | abort (); | |
800eeca4 | 2779 | } |
ac33696c L |
2780 | if (rent->reltext) |
2781 | ia64_info->reltext = 1; | |
eea6121a | 2782 | rent->srel->size += sizeof (ElfNN_External_Rela) * count; |
800eeca4 JW |
2783 | } |
2784 | ||
2785 | /* Take care of the GOT and PLT relocations. */ | |
2786 | ||
ef5aade5 L |
2787 | if ((!resolved_zero |
2788 | && (dynamic_symbol || shared) | |
2789 | && (dyn_i->want_got || dyn_i->want_gotx)) | |
2790 | || (dyn_i->want_ltoff_fptr | |
2791 | && dyn_i->h | |
2792 | && dyn_i->h->dynindx != -1)) | |
9203ba99 JJ |
2793 | { |
2794 | if (!dyn_i->want_ltoff_fptr | |
2795 | || !x->info->pie | |
2796 | || dyn_i->h == NULL | |
2797 | || dyn_i->h->root.type != bfd_link_hash_undefweak) | |
eea6121a | 2798 | ia64_info->rel_got_sec->size += sizeof (ElfNN_External_Rela); |
9203ba99 | 2799 | } |
13ae64f3 | 2800 | if ((dynamic_symbol || shared) && dyn_i->want_tprel) |
eea6121a | 2801 | ia64_info->rel_got_sec->size += sizeof (ElfNN_External_Rela); |
b3dfd7fe | 2802 | if (dynamic_symbol && dyn_i->want_dtpmod) |
eea6121a | 2803 | ia64_info->rel_got_sec->size += sizeof (ElfNN_External_Rela); |
13ae64f3 | 2804 | if (dynamic_symbol && dyn_i->want_dtprel) |
eea6121a | 2805 | ia64_info->rel_got_sec->size += sizeof (ElfNN_External_Rela); |
9203ba99 JJ |
2806 | if (ia64_info->rel_fptr_sec && dyn_i->want_fptr) |
2807 | { | |
2808 | if (dyn_i->h == NULL || dyn_i->h->root.type != bfd_link_hash_undefweak) | |
eea6121a | 2809 | ia64_info->rel_fptr_sec->size += sizeof (ElfNN_External_Rela); |
9203ba99 | 2810 | } |
800eeca4 | 2811 | |
ef5aade5 | 2812 | if (!resolved_zero && dyn_i->want_pltoff) |
800eeca4 JW |
2813 | { |
2814 | bfd_size_type t = 0; | |
2815 | ||
2816 | /* Dynamic symbols get one IPLT relocation. Local symbols in | |
2817 | shared libraries get two REL relocations. Local symbols in | |
2818 | main applications get nothing. */ | |
2819 | if (dynamic_symbol) | |
bbe66d08 | 2820 | t = sizeof (ElfNN_External_Rela); |
800eeca4 | 2821 | else if (shared) |
bbe66d08 | 2822 | t = 2 * sizeof (ElfNN_External_Rela); |
800eeca4 | 2823 | |
eea6121a | 2824 | ia64_info->rel_pltoff_sec->size += t; |
800eeca4 JW |
2825 | } |
2826 | ||
b34976b6 | 2827 | return TRUE; |
800eeca4 JW |
2828 | } |
2829 | ||
b34976b6 | 2830 | static bfd_boolean |
bbe66d08 | 2831 | elfNN_ia64_adjust_dynamic_symbol (info, h) |
64bf6ae6 | 2832 | struct bfd_link_info *info ATTRIBUTE_UNUSED; |
800eeca4 JW |
2833 | struct elf_link_hash_entry *h; |
2834 | { | |
2835 | /* ??? Undefined symbols with PLT entries should be re-defined | |
2836 | to be the PLT entry. */ | |
2837 | ||
2838 | /* If this is a weak symbol, and there is a real definition, the | |
2839 | processor independent code will have arranged for us to see the | |
2840 | real definition first, and we can just use the same value. */ | |
f6e332e6 | 2841 | if (h->u.weakdef != NULL) |
800eeca4 | 2842 | { |
f6e332e6 AM |
2843 | BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined |
2844 | || h->u.weakdef->root.type == bfd_link_hash_defweak); | |
2845 | h->root.u.def.section = h->u.weakdef->root.u.def.section; | |
2846 | h->root.u.def.value = h->u.weakdef->root.u.def.value; | |
b34976b6 | 2847 | return TRUE; |
800eeca4 JW |
2848 | } |
2849 | ||
2850 | /* If this is a reference to a symbol defined by a dynamic object which | |
2851 | is not a function, we might allocate the symbol in our .dynbss section | |
2852 | and allocate a COPY dynamic relocation. | |
2853 | ||
2854 | But IA-64 code is canonically PIC, so as a rule we can avoid this sort | |
2855 | of hackery. */ | |
2856 | ||
b34976b6 | 2857 | return TRUE; |
800eeca4 JW |
2858 | } |
2859 | ||
b34976b6 | 2860 | static bfd_boolean |
bbe66d08 | 2861 | elfNN_ia64_size_dynamic_sections (output_bfd, info) |
bb32e54f | 2862 | bfd *output_bfd ATTRIBUTE_UNUSED; |
800eeca4 JW |
2863 | struct bfd_link_info *info; |
2864 | { | |
bbe66d08 JW |
2865 | struct elfNN_ia64_allocate_data data; |
2866 | struct elfNN_ia64_link_hash_table *ia64_info; | |
800eeca4 JW |
2867 | asection *sec; |
2868 | bfd *dynobj; | |
b34976b6 | 2869 | bfd_boolean relplt = FALSE; |
800eeca4 JW |
2870 | |
2871 | dynobj = elf_hash_table(info)->dynobj; | |
bbe66d08 | 2872 | ia64_info = elfNN_ia64_hash_table (info); |
b3dfd7fe | 2873 | ia64_info->self_dtpmod_offset = (bfd_vma) -1; |
800eeca4 JW |
2874 | BFD_ASSERT(dynobj != NULL); |
2875 | data.info = info; | |
2876 | ||
2877 | /* Set the contents of the .interp section to the interpreter. */ | |
2878 | if (ia64_info->root.dynamic_sections_created | |
36af4a4e | 2879 | && info->executable) |
800eeca4 JW |
2880 | { |
2881 | sec = bfd_get_section_by_name (dynobj, ".interp"); | |
2882 | BFD_ASSERT (sec != NULL); | |
02e6ad56 | 2883 | sec->contents = (bfd_byte *) ELF_DYNAMIC_INTERPRETER; |
eea6121a | 2884 | sec->size = strlen (ELF_DYNAMIC_INTERPRETER) + 1; |
800eeca4 JW |
2885 | } |
2886 | ||
800eeca4 JW |
2887 | /* Allocate the GOT entries. */ |
2888 | ||
2889 | if (ia64_info->got_sec) | |
2890 | { | |
2891 | data.ofs = 0; | |
bbe66d08 JW |
2892 | elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_global_data_got, &data); |
2893 | elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_global_fptr_got, &data); | |
2894 | elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_local_got, &data); | |
eea6121a | 2895 | ia64_info->got_sec->size = data.ofs; |
800eeca4 JW |
2896 | } |
2897 | ||
2898 | /* Allocate the FPTR entries. */ | |
2899 | ||
2900 | if (ia64_info->fptr_sec) | |
2901 | { | |
2902 | data.ofs = 0; | |
bbe66d08 | 2903 | elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_fptr, &data); |
eea6121a | 2904 | ia64_info->fptr_sec->size = data.ofs; |
800eeca4 JW |
2905 | } |
2906 | ||
2907 | /* Now that we've seen all of the input files, we can decide which | |
2908 | symbols need plt entries. Allocate the minimal PLT entries first. | |
b34976b6 | 2909 | We do this even though dynamic_sections_created may be FALSE, because |
800eeca4 JW |
2910 | this has the side-effect of clearing want_plt and want_plt2. */ |
2911 | ||
2912 | data.ofs = 0; | |
bbe66d08 | 2913 | elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_plt_entries, &data); |
800eeca4 JW |
2914 | |
2915 | ia64_info->minplt_entries = 0; | |
2916 | if (data.ofs) | |
2917 | { | |
2918 | ia64_info->minplt_entries | |
2919 | = (data.ofs - PLT_HEADER_SIZE) / PLT_MIN_ENTRY_SIZE; | |
2920 | } | |
2921 | ||
2922 | /* Align the pointer for the plt2 entries. */ | |
dc810e39 | 2923 | data.ofs = (data.ofs + 31) & (bfd_vma) -32; |
800eeca4 | 2924 | |
bbe66d08 | 2925 | elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_plt2_entries, &data); |
a5a58ba4 | 2926 | if (data.ofs != 0 || ia64_info->root.dynamic_sections_created) |
800eeca4 | 2927 | { |
a5a58ba4 L |
2928 | /* FIXME: we always reserve the memory for dynamic linker even if |
2929 | there are no PLT entries since dynamic linker may assume the | |
2930 | reserved memory always exists. */ | |
2931 | ||
800eeca4 JW |
2932 | BFD_ASSERT (ia64_info->root.dynamic_sections_created); |
2933 | ||
eea6121a | 2934 | ia64_info->plt_sec->size = data.ofs; |
800eeca4 JW |
2935 | |
2936 | /* If we've got a .plt, we need some extra memory for the dynamic | |
2937 | linker. We stuff these in .got.plt. */ | |
2938 | sec = bfd_get_section_by_name (dynobj, ".got.plt"); | |
eea6121a | 2939 | sec->size = 8 * PLT_RESERVED_WORDS; |
800eeca4 JW |
2940 | } |
2941 | ||
2942 | /* Allocate the PLTOFF entries. */ | |
2943 | ||
2944 | if (ia64_info->pltoff_sec) | |
2945 | { | |
2946 | data.ofs = 0; | |
bbe66d08 | 2947 | elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_pltoff_entries, &data); |
eea6121a | 2948 | ia64_info->pltoff_sec->size = data.ofs; |
800eeca4 JW |
2949 | } |
2950 | ||
2951 | if (ia64_info->root.dynamic_sections_created) | |
2952 | { | |
2953 | /* Allocate space for the dynamic relocations that turned out to be | |
2954 | required. */ | |
2955 | ||
b3dfd7fe | 2956 | if (info->shared && ia64_info->self_dtpmod_offset != (bfd_vma) -1) |
eea6121a | 2957 | ia64_info->rel_got_sec->size += sizeof (ElfNN_External_Rela); |
bbe66d08 | 2958 | elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_dynrel_entries, &data); |
800eeca4 JW |
2959 | } |
2960 | ||
2961 | /* We have now determined the sizes of the various dynamic sections. | |
2962 | Allocate memory for them. */ | |
2963 | for (sec = dynobj->sections; sec != NULL; sec = sec->next) | |
2964 | { | |
b34976b6 | 2965 | bfd_boolean strip; |
800eeca4 JW |
2966 | |
2967 | if (!(sec->flags & SEC_LINKER_CREATED)) | |
2968 | continue; | |
2969 | ||
2970 | /* If we don't need this section, strip it from the output file. | |
2971 | There were several sections primarily related to dynamic | |
2972 | linking that must be create before the linker maps input | |
2973 | sections to output sections. The linker does that before | |
2974 | bfd_elf_size_dynamic_sections is called, and it is that | |
2975 | function which decides whether anything needs to go into | |
2976 | these sections. */ | |
2977 | ||
eea6121a | 2978 | strip = (sec->size == 0); |
800eeca4 JW |
2979 | |
2980 | if (sec == ia64_info->got_sec) | |
b34976b6 | 2981 | strip = FALSE; |
800eeca4 JW |
2982 | else if (sec == ia64_info->rel_got_sec) |
2983 | { | |
2984 | if (strip) | |
2985 | ia64_info->rel_got_sec = NULL; | |
2986 | else | |
2987 | /* We use the reloc_count field as a counter if we need to | |
2988 | copy relocs into the output file. */ | |
2989 | sec->reloc_count = 0; | |
2990 | } | |
2991 | else if (sec == ia64_info->fptr_sec) | |
2992 | { | |
2993 | if (strip) | |
2994 | ia64_info->fptr_sec = NULL; | |
2995 | } | |
55936540 JW |
2996 | else if (sec == ia64_info->rel_fptr_sec) |
2997 | { | |
2998 | if (strip) | |
2999 | ia64_info->rel_fptr_sec = NULL; | |
3000 | else | |
3001 | /* We use the reloc_count field as a counter if we need to | |
3002 | copy relocs into the output file. */ | |
3003 | sec->reloc_count = 0; | |
3004 | } | |
800eeca4 JW |
3005 | else if (sec == ia64_info->plt_sec) |
3006 | { | |
3007 | if (strip) | |
3008 | ia64_info->plt_sec = NULL; | |
3009 | } | |
3010 | else if (sec == ia64_info->pltoff_sec) | |
3011 | { | |
3012 | if (strip) | |
3013 | ia64_info->pltoff_sec = NULL; | |
3014 | } | |
3015 | else if (sec == ia64_info->rel_pltoff_sec) | |
3016 | { | |
3017 | if (strip) | |
3018 | ia64_info->rel_pltoff_sec = NULL; | |
3019 | else | |
3020 | { | |
b34976b6 | 3021 | relplt = TRUE; |
800eeca4 JW |
3022 | /* We use the reloc_count field as a counter if we need to |
3023 | copy relocs into the output file. */ | |
3024 | sec->reloc_count = 0; | |
3025 | } | |
3026 | } | |
3027 | else | |
3028 | { | |
3029 | const char *name; | |
3030 | ||
3031 | /* It's OK to base decisions on the section name, because none | |
3032 | of the dynobj section names depend upon the input files. */ | |
3033 | name = bfd_get_section_name (dynobj, sec); | |
3034 | ||
3035 | if (strcmp (name, ".got.plt") == 0) | |
b34976b6 | 3036 | strip = FALSE; |
800eeca4 JW |
3037 | else if (strncmp (name, ".rel", 4) == 0) |
3038 | { | |
3039 | if (!strip) | |
3040 | { | |
800eeca4 JW |
3041 | /* We use the reloc_count field as a counter if we need to |
3042 | copy relocs into the output file. */ | |
3043 | sec->reloc_count = 0; | |
3044 | } | |
3045 | } | |
3046 | else | |
3047 | continue; | |
3048 | } | |
3049 | ||
3050 | if (strip) | |
3051 | _bfd_strip_section_from_output (info, sec); | |
3052 | else | |
3053 | { | |
3054 | /* Allocate memory for the section contents. */ | |
eea6121a AM |
3055 | sec->contents = (bfd_byte *) bfd_zalloc (dynobj, sec->size); |
3056 | if (sec->contents == NULL && sec->size != 0) | |
b34976b6 | 3057 | return FALSE; |
800eeca4 JW |
3058 | } |
3059 | } | |
3060 | ||
3061 | if (elf_hash_table (info)->dynamic_sections_created) | |
3062 | { | |
3063 | /* Add some entries to the .dynamic section. We fill in the values | |
3064 | later (in finish_dynamic_sections) but we must add the entries now | |
3065 | so that we get the correct size for the .dynamic section. */ | |
3066 | ||
36af4a4e | 3067 | if (info->executable) |
800eeca4 JW |
3068 | { |
3069 | /* The DT_DEBUG entry is filled in by the dynamic linker and used | |
3070 | by the debugger. */ | |
dc810e39 | 3071 | #define add_dynamic_entry(TAG, VAL) \ |
5a580b3a | 3072 | _bfd_elf_add_dynamic_entry (info, TAG, VAL) |
dc810e39 AM |
3073 | |
3074 | if (!add_dynamic_entry (DT_DEBUG, 0)) | |
b34976b6 | 3075 | return FALSE; |
800eeca4 JW |
3076 | } |
3077 | ||
dc810e39 | 3078 | if (!add_dynamic_entry (DT_IA_64_PLT_RESERVE, 0)) |
b34976b6 | 3079 | return FALSE; |
dc810e39 | 3080 | if (!add_dynamic_entry (DT_PLTGOT, 0)) |
b34976b6 | 3081 | return FALSE; |
800eeca4 JW |
3082 | |
3083 | if (relplt) | |
3084 | { | |
dc810e39 AM |
3085 | if (!add_dynamic_entry (DT_PLTRELSZ, 0) |
3086 | || !add_dynamic_entry (DT_PLTREL, DT_RELA) | |
3087 | || !add_dynamic_entry (DT_JMPREL, 0)) | |
b34976b6 | 3088 | return FALSE; |
800eeca4 JW |
3089 | } |
3090 | ||
dc810e39 AM |
3091 | if (!add_dynamic_entry (DT_RELA, 0) |
3092 | || !add_dynamic_entry (DT_RELASZ, 0) | |
3093 | || !add_dynamic_entry (DT_RELAENT, sizeof (ElfNN_External_Rela))) | |
b34976b6 | 3094 | return FALSE; |
800eeca4 | 3095 | |
db6751f2 | 3096 | if (ia64_info->reltext) |
800eeca4 | 3097 | { |
dc810e39 | 3098 | if (!add_dynamic_entry (DT_TEXTREL, 0)) |
b34976b6 | 3099 | return FALSE; |
d6cf2879 | 3100 | info->flags |= DF_TEXTREL; |
800eeca4 JW |
3101 | } |
3102 | } | |
3103 | ||
3104 | /* ??? Perhaps force __gp local. */ | |
3105 | ||
b34976b6 | 3106 | return TRUE; |
800eeca4 JW |
3107 | } |
3108 | ||
3109 | static bfd_reloc_status_type | |
bbb268c3 | 3110 | elfNN_ia64_install_value (hit_addr, v, r_type) |
800eeca4 | 3111 | bfd_byte *hit_addr; |
1e738b87 | 3112 | bfd_vma v; |
800eeca4 JW |
3113 | unsigned int r_type; |
3114 | { | |
3115 | const struct ia64_operand *op; | |
3116 | int bigendian = 0, shift = 0; | |
3117 | bfd_vma t0, t1, insn, dword; | |
3118 | enum ia64_opnd opnd; | |
3119 | const char *err; | |
3120 | size_t size = 8; | |
1e738b87 NC |
3121 | #ifdef BFD_HOST_U_64_BIT |
3122 | BFD_HOST_U_64_BIT val = (BFD_HOST_U_64_BIT) v; | |
3123 | #else | |
3124 | bfd_vma val = v; | |
3125 | #endif | |
800eeca4 JW |
3126 | |
3127 | opnd = IA64_OPND_NIL; | |
3128 | switch (r_type) | |
3129 | { | |
3130 | case R_IA64_NONE: | |
3131 | case R_IA64_LDXMOV: | |
3132 | return bfd_reloc_ok; | |
3133 | ||
3e932841 | 3134 | /* Instruction relocations. */ |
800eeca4 | 3135 | |
13ae64f3 JJ |
3136 | case R_IA64_IMM14: |
3137 | case R_IA64_TPREL14: | |
3138 | case R_IA64_DTPREL14: | |
3139 | opnd = IA64_OPND_IMM14; | |
3140 | break; | |
748abff6 | 3141 | |
800eeca4 JW |
3142 | case R_IA64_PCREL21F: opnd = IA64_OPND_TGT25; break; |
3143 | case R_IA64_PCREL21M: opnd = IA64_OPND_TGT25b; break; | |
748abff6 RH |
3144 | case R_IA64_PCREL60B: opnd = IA64_OPND_TGT64; break; |
3145 | case R_IA64_PCREL21B: | |
3146 | case R_IA64_PCREL21BI: | |
3147 | opnd = IA64_OPND_TGT25c; | |
3148 | break; | |
800eeca4 JW |
3149 | |
3150 | case R_IA64_IMM22: | |
3151 | case R_IA64_GPREL22: | |
3152 | case R_IA64_LTOFF22: | |
3153 | case R_IA64_LTOFF22X: | |
3154 | case R_IA64_PLTOFF22: | |
748abff6 | 3155 | case R_IA64_PCREL22: |
800eeca4 | 3156 | case R_IA64_LTOFF_FPTR22: |
13ae64f3 JJ |
3157 | case R_IA64_TPREL22: |
3158 | case R_IA64_DTPREL22: | |
3159 | case R_IA64_LTOFF_TPREL22: | |
3160 | case R_IA64_LTOFF_DTPMOD22: | |
3161 | case R_IA64_LTOFF_DTPREL22: | |
800eeca4 JW |
3162 | opnd = IA64_OPND_IMM22; |
3163 | break; | |
3164 | ||
3165 | case R_IA64_IMM64: | |
3166 | case R_IA64_GPREL64I: | |
3167 | case R_IA64_LTOFF64I: | |
3168 | case R_IA64_PLTOFF64I: | |
748abff6 | 3169 | case R_IA64_PCREL64I: |
800eeca4 JW |
3170 | case R_IA64_FPTR64I: |
3171 | case R_IA64_LTOFF_FPTR64I: | |
13ae64f3 JJ |
3172 | case R_IA64_TPREL64I: |
3173 | case R_IA64_DTPREL64I: | |
800eeca4 JW |
3174 | opnd = IA64_OPND_IMMU64; |
3175 | break; | |
3176 | ||
3177 | /* Data relocations. */ | |
3178 | ||
3179 | case R_IA64_DIR32MSB: | |
3180 | case R_IA64_GPREL32MSB: | |
3181 | case R_IA64_FPTR32MSB: | |
3182 | case R_IA64_PCREL32MSB: | |
a4bd8390 | 3183 | case R_IA64_LTOFF_FPTR32MSB: |
800eeca4 JW |
3184 | case R_IA64_SEGREL32MSB: |
3185 | case R_IA64_SECREL32MSB: | |
3186 | case R_IA64_LTV32MSB: | |
13ae64f3 | 3187 | case R_IA64_DTPREL32MSB: |
800eeca4 JW |
3188 | size = 4; bigendian = 1; |
3189 | break; | |
3190 | ||
3191 | case R_IA64_DIR32LSB: | |
3192 | case R_IA64_GPREL32LSB: | |
3193 | case R_IA64_FPTR32LSB: | |
3194 | case R_IA64_PCREL32LSB: | |
a4bd8390 | 3195 | case R_IA64_LTOFF_FPTR32LSB: |
800eeca4 JW |
3196 | case R_IA64_SEGREL32LSB: |
3197 | case R_IA64_SECREL32LSB: | |
3198 | case R_IA64_LTV32LSB: | |
13ae64f3 | 3199 | case R_IA64_DTPREL32LSB: |
800eeca4 JW |
3200 | size = 4; bigendian = 0; |
3201 | break; | |
3202 | ||
3203 | case R_IA64_DIR64MSB: | |
3204 | case R_IA64_GPREL64MSB: | |
3205 | case R_IA64_PLTOFF64MSB: | |
3206 | case R_IA64_FPTR64MSB: | |
3207 | case R_IA64_PCREL64MSB: | |
3208 | case R_IA64_LTOFF_FPTR64MSB: | |
3209 | case R_IA64_SEGREL64MSB: | |
3210 | case R_IA64_SECREL64MSB: | |
3211 | case R_IA64_LTV64MSB: | |
13ae64f3 JJ |
3212 | case R_IA64_TPREL64MSB: |
3213 | case R_IA64_DTPMOD64MSB: | |
3214 | case R_IA64_DTPREL64MSB: | |
800eeca4 JW |
3215 | size = 8; bigendian = 1; |
3216 | break; | |
3217 | ||
3218 | case R_IA64_DIR64LSB: | |
3219 | case R_IA64_GPREL64LSB: | |
3220 | case R_IA64_PLTOFF64LSB: | |
3221 | case R_IA64_FPTR64LSB: | |
3222 | case R_IA64_PCREL64LSB: | |
3223 | case R_IA64_LTOFF_FPTR64LSB: | |
3224 | case R_IA64_SEGREL64LSB: | |
3225 | case R_IA64_SECREL64LSB: | |
3226 | case R_IA64_LTV64LSB: | |
13ae64f3 JJ |
3227 | case R_IA64_TPREL64LSB: |
3228 | case R_IA64_DTPMOD64LSB: | |
3229 | case R_IA64_DTPREL64LSB: | |
800eeca4 JW |
3230 | size = 8; bigendian = 0; |
3231 | break; | |
3232 | ||
3233 | /* Unsupported / Dynamic relocations. */ | |
800eeca4 JW |
3234 | default: |
3235 | return bfd_reloc_notsupported; | |
3236 | } | |
3237 | ||
3238 | switch (opnd) | |
3239 | { | |
3240 | case IA64_OPND_IMMU64: | |
3241 | hit_addr -= (long) hit_addr & 0x3; | |
bbb268c3 JW |
3242 | t0 = bfd_getl64 (hit_addr); |
3243 | t1 = bfd_getl64 (hit_addr + 8); | |
800eeca4 JW |
3244 | |
3245 | /* tmpl/s: bits 0.. 5 in t0 | |
3246 | slot 0: bits 5..45 in t0 | |
3247 | slot 1: bits 46..63 in t0, bits 0..22 in t1 | |
3248 | slot 2: bits 23..63 in t1 */ | |
3249 | ||
3250 | /* First, clear the bits that form the 64 bit constant. */ | |
3251 | t0 &= ~(0x3ffffLL << 46); | |
3252 | t1 &= ~(0x7fffffLL | |
3253 | | (( (0x07fLL << 13) | (0x1ffLL << 27) | |
3254 | | (0x01fLL << 22) | (0x001LL << 21) | |
3255 | | (0x001LL << 36)) << 23)); | |
3256 | ||
3257 | t0 |= ((val >> 22) & 0x03ffffLL) << 46; /* 18 lsbs of imm41 */ | |
3258 | t1 |= ((val >> 40) & 0x7fffffLL) << 0; /* 23 msbs of imm41 */ | |
3259 | t1 |= ( (((val >> 0) & 0x07f) << 13) /* imm7b */ | |
3260 | | (((val >> 7) & 0x1ff) << 27) /* imm9d */ | |
3261 | | (((val >> 16) & 0x01f) << 22) /* imm5c */ | |
3262 | | (((val >> 21) & 0x001) << 21) /* ic */ | |
3263 | | (((val >> 63) & 0x001) << 36)) << 23; /* i */ | |
3264 | ||
bbb268c3 JW |
3265 | bfd_putl64 (t0, hit_addr); |
3266 | bfd_putl64 (t1, hit_addr + 8); | |
800eeca4 JW |
3267 | break; |
3268 | ||
748abff6 RH |
3269 | case IA64_OPND_TGT64: |
3270 | hit_addr -= (long) hit_addr & 0x3; | |
bbb268c3 JW |
3271 | t0 = bfd_getl64 (hit_addr); |
3272 | t1 = bfd_getl64 (hit_addr + 8); | |
748abff6 RH |
3273 | |
3274 | /* tmpl/s: bits 0.. 5 in t0 | |
3275 | slot 0: bits 5..45 in t0 | |
3276 | slot 1: bits 46..63 in t0, bits 0..22 in t1 | |
3277 | slot 2: bits 23..63 in t1 */ | |
3278 | ||
3279 | /* First, clear the bits that form the 64 bit constant. */ | |
3280 | t0 &= ~(0x3ffffLL << 46); | |
3281 | t1 &= ~(0x7fffffLL | |
3282 | | ((1LL << 36 | 0xfffffLL << 13) << 23)); | |
3283 | ||
3284 | val >>= 4; | |
3285 | t0 |= ((val >> 20) & 0xffffLL) << 2 << 46; /* 16 lsbs of imm39 */ | |
3286 | t1 |= ((val >> 36) & 0x7fffffLL) << 0; /* 23 msbs of imm39 */ | |
3287 | t1 |= ((((val >> 0) & 0xfffffLL) << 13) /* imm20b */ | |
3288 | | (((val >> 59) & 0x1LL) << 36)) << 23; /* i */ | |
3289 | ||
bbb268c3 JW |
3290 | bfd_putl64 (t0, hit_addr); |
3291 | bfd_putl64 (t1, hit_addr + 8); | |
748abff6 RH |
3292 | break; |
3293 | ||
800eeca4 JW |
3294 | default: |
3295 | switch ((long) hit_addr & 0x3) | |
3296 | { | |
3297 | case 0: shift = 5; break; | |
3298 | case 1: shift = 14; hit_addr += 3; break; | |
3299 | case 2: shift = 23; hit_addr += 6; break; | |
3e932841 | 3300 | case 3: return bfd_reloc_notsupported; /* shouldn't happen... */ |
800eeca4 | 3301 | } |
bbb268c3 | 3302 | dword = bfd_getl64 (hit_addr); |
800eeca4 JW |
3303 | insn = (dword >> shift) & 0x1ffffffffffLL; |
3304 | ||
3305 | op = elf64_ia64_operands + opnd; | |
1e738b87 | 3306 | err = (*op->insert) (op, val, (ia64_insn *)& insn); |
800eeca4 JW |
3307 | if (err) |
3308 | return bfd_reloc_overflow; | |
3309 | ||
3310 | dword &= ~(0x1ffffffffffLL << shift); | |
3311 | dword |= (insn << shift); | |
bbb268c3 | 3312 | bfd_putl64 (dword, hit_addr); |
800eeca4 JW |
3313 | break; |
3314 | ||
3315 | case IA64_OPND_NIL: | |
3316 | /* A data relocation. */ | |
3317 | if (bigendian) | |
3318 | if (size == 4) | |
3319 | bfd_putb32 (val, hit_addr); | |
3320 | else | |
3321 | bfd_putb64 (val, hit_addr); | |
3322 | else | |
3323 | if (size == 4) | |
3324 | bfd_putl32 (val, hit_addr); | |
3325 | else | |
3326 | bfd_putl64 (val, hit_addr); | |
3327 | break; | |
3328 | } | |
3329 | ||
3330 | return bfd_reloc_ok; | |
3331 | } | |
3332 | ||
3333 | static void | |
bbe66d08 | 3334 | elfNN_ia64_install_dyn_reloc (abfd, info, sec, srel, offset, type, |
800eeca4 JW |
3335 | dynindx, addend) |
3336 | bfd *abfd; | |
3337 | struct bfd_link_info *info; | |
3338 | asection *sec; | |
3339 | asection *srel; | |
3340 | bfd_vma offset; | |
3341 | unsigned int type; | |
3342 | long dynindx; | |
3343 | bfd_vma addend; | |
3344 | { | |
3345 | Elf_Internal_Rela outrel; | |
947216bf | 3346 | bfd_byte *loc; |
800eeca4 | 3347 | |
800eeca4 | 3348 | BFD_ASSERT (dynindx != -1); |
bbe66d08 | 3349 | outrel.r_info = ELFNN_R_INFO (dynindx, type); |
800eeca4 | 3350 | outrel.r_addend = addend; |
c629eae0 | 3351 | outrel.r_offset = _bfd_elf_section_offset (abfd, info, sec, offset); |
99eb2ac8 | 3352 | if (outrel.r_offset >= (bfd_vma) -2) |
800eeca4 | 3353 | { |
c629eae0 JJ |
3354 | /* Run for the hills. We shouldn't be outputting a relocation |
3355 | for this. So do what everyone else does and output a no-op. */ | |
3356 | outrel.r_info = ELFNN_R_INFO (0, R_IA64_NONE); | |
3357 | outrel.r_addend = 0; | |
3358 | outrel.r_offset = 0; | |
800eeca4 | 3359 | } |
99eb2ac8 AM |
3360 | else |
3361 | outrel.r_offset += sec->output_section->vma + sec->output_offset; | |
800eeca4 | 3362 | |
947216bf AM |
3363 | loc = srel->contents; |
3364 | loc += srel->reloc_count++ * sizeof (ElfNN_External_Rela); | |
3365 | bfd_elfNN_swap_reloca_out (abfd, &outrel, loc); | |
eea6121a | 3366 | BFD_ASSERT (sizeof (ElfNN_External_Rela) * srel->reloc_count <= srel->size); |
800eeca4 JW |
3367 | } |
3368 | ||
3369 | /* Store an entry for target address TARGET_ADDR in the linkage table | |
3370 | and return the gp-relative address of the linkage table entry. */ | |
3371 | ||
3372 | static bfd_vma | |
3373 | set_got_entry (abfd, info, dyn_i, dynindx, addend, value, dyn_r_type) | |
3374 | bfd *abfd; | |
3375 | struct bfd_link_info *info; | |
bbe66d08 | 3376 | struct elfNN_ia64_dyn_sym_info *dyn_i; |
800eeca4 JW |
3377 | long dynindx; |
3378 | bfd_vma addend; | |
3379 | bfd_vma value; | |
3380 | unsigned int dyn_r_type; | |
3381 | { | |
bbe66d08 | 3382 | struct elfNN_ia64_link_hash_table *ia64_info; |
800eeca4 | 3383 | asection *got_sec; |
b34976b6 | 3384 | bfd_boolean done; |
13ae64f3 | 3385 | bfd_vma got_offset; |
800eeca4 | 3386 | |
bbe66d08 | 3387 | ia64_info = elfNN_ia64_hash_table (info); |
800eeca4 JW |
3388 | got_sec = ia64_info->got_sec; |
3389 | ||
13ae64f3 | 3390 | switch (dyn_r_type) |
800eeca4 | 3391 | { |
13ae64f3 JJ |
3392 | case R_IA64_TPREL64LSB: |
3393 | done = dyn_i->tprel_done; | |
b34976b6 | 3394 | dyn_i->tprel_done = TRUE; |
13ae64f3 JJ |
3395 | got_offset = dyn_i->tprel_offset; |
3396 | break; | |
3397 | case R_IA64_DTPMOD64LSB: | |
b3dfd7fe JJ |
3398 | if (dyn_i->dtpmod_offset != ia64_info->self_dtpmod_offset) |
3399 | { | |
3400 | done = dyn_i->dtpmod_done; | |
3401 | dyn_i->dtpmod_done = TRUE; | |
3402 | } | |
3403 | else | |
3404 | { | |
3405 | done = ia64_info->self_dtpmod_done; | |
3406 | ia64_info->self_dtpmod_done = TRUE; | |
3407 | dynindx = 0; | |
3408 | } | |
13ae64f3 JJ |
3409 | got_offset = dyn_i->dtpmod_offset; |
3410 | break; | |
3411 | case R_IA64_DTPREL64LSB: | |
3412 | done = dyn_i->dtprel_done; | |
b34976b6 | 3413 | dyn_i->dtprel_done = TRUE; |
13ae64f3 JJ |
3414 | got_offset = dyn_i->dtprel_offset; |
3415 | break; | |
3416 | default: | |
3417 | done = dyn_i->got_done; | |
b34976b6 | 3418 | dyn_i->got_done = TRUE; |
13ae64f3 JJ |
3419 | got_offset = dyn_i->got_offset; |
3420 | break; | |
3421 | } | |
800eeca4 | 3422 | |
13ae64f3 JJ |
3423 | BFD_ASSERT ((got_offset & 7) == 0); |
3424 | ||
3425 | if (! done) | |
3426 | { | |
800eeca4 | 3427 | /* Store the target address in the linkage table entry. */ |
13ae64f3 | 3428 | bfd_put_64 (abfd, value, got_sec->contents + got_offset); |
800eeca4 JW |
3429 | |
3430 | /* Install a dynamic relocation if needed. */ | |
9203ba99 JJ |
3431 | if (((info->shared |
3432 | && (!dyn_i->h | |
3433 | || ELF_ST_VISIBILITY (dyn_i->h->other) == STV_DEFAULT | |
3434 | || dyn_i->h->root.type != bfd_link_hash_undefweak) | |
3435 | && dyn_r_type != R_IA64_DTPREL64LSB) | |
986a241f | 3436 | || elfNN_ia64_dynamic_symbol_p (dyn_i->h, info, dyn_r_type) |
9203ba99 JJ |
3437 | || (dynindx != -1 && dyn_r_type == R_IA64_FPTR64LSB)) |
3438 | && (!dyn_i->want_ltoff_fptr | |
3439 | || !info->pie | |
3440 | || !dyn_i->h | |
3441 | || dyn_i->h->root.type != bfd_link_hash_undefweak)) | |
800eeca4 | 3442 | { |
13ae64f3 JJ |
3443 | if (dynindx == -1 |
3444 | && dyn_r_type != R_IA64_TPREL64LSB | |
3445 | && dyn_r_type != R_IA64_DTPMOD64LSB | |
3446 | && dyn_r_type != R_IA64_DTPREL64LSB) | |
800eeca4 JW |
3447 | { |
3448 | dyn_r_type = R_IA64_REL64LSB; | |
3449 | dynindx = 0; | |
3450 | addend = value; | |
3451 | } | |
3452 | ||
3453 | if (bfd_big_endian (abfd)) | |
3454 | { | |
3455 | switch (dyn_r_type) | |
3456 | { | |
3457 | case R_IA64_REL64LSB: | |
3458 | dyn_r_type = R_IA64_REL64MSB; | |
3459 | break; | |
3460 | case R_IA64_DIR64LSB: | |
3461 | dyn_r_type = R_IA64_DIR64MSB; | |
3462 | break; | |
3463 | case R_IA64_FPTR64LSB: | |
3464 | dyn_r_type = R_IA64_FPTR64MSB; | |
3465 | break; | |
13ae64f3 JJ |
3466 | case R_IA64_TPREL64LSB: |
3467 | dyn_r_type = R_IA64_TPREL64MSB; | |
3468 | break; | |
3469 | case R_IA64_DTPMOD64LSB: | |
3470 | dyn_r_type = R_IA64_DTPMOD64MSB; | |
3471 | break; | |
3472 | case R_IA64_DTPREL64LSB: | |
3473 | dyn_r_type = R_IA64_DTPREL64MSB; | |
3474 | break; | |
800eeca4 | 3475 | default: |
b34976b6 | 3476 | BFD_ASSERT (FALSE); |
800eeca4 JW |
3477 | break; |
3478 | } | |
3479 | } | |
3480 | ||
bbe66d08 | 3481 | elfNN_ia64_install_dyn_reloc (abfd, NULL, got_sec, |
800eeca4 | 3482 | ia64_info->rel_got_sec, |
13ae64f3 | 3483 | got_offset, dyn_r_type, |
800eeca4 JW |
3484 | dynindx, addend); |
3485 | } | |
3486 | } | |
3487 | ||
3488 | /* Return the address of the linkage table entry. */ | |
3489 | value = (got_sec->output_section->vma | |
3490 | + got_sec->output_offset | |
13ae64f3 | 3491 | + got_offset); |
800eeca4 JW |
3492 | |
3493 | return value; | |
3494 | } | |
3495 | ||
3496 | /* Fill in a function descriptor consisting of the function's code | |
3497 | address and its global pointer. Return the descriptor's address. */ | |
3498 | ||
3499 | static bfd_vma | |
3500 | set_fptr_entry (abfd, info, dyn_i, value) | |
3501 | bfd *abfd; | |
3502 | struct bfd_link_info *info; | |
bbe66d08 | 3503 | struct elfNN_ia64_dyn_sym_info *dyn_i; |
800eeca4 JW |
3504 | bfd_vma value; |
3505 | { | |
bbe66d08 | 3506 | struct elfNN_ia64_link_hash_table *ia64_info; |
800eeca4 JW |
3507 | asection *fptr_sec; |
3508 | ||
bbe66d08 | 3509 | ia64_info = elfNN_ia64_hash_table (info); |
800eeca4 JW |
3510 | fptr_sec = ia64_info->fptr_sec; |
3511 | ||
3512 | if (!dyn_i->fptr_done) | |
3513 | { | |
3514 | dyn_i->fptr_done = 1; | |
3515 | ||
3516 | /* Fill in the function descriptor. */ | |
3517 | bfd_put_64 (abfd, value, fptr_sec->contents + dyn_i->fptr_offset); | |
3518 | bfd_put_64 (abfd, _bfd_get_gp_value (abfd), | |
3519 | fptr_sec->contents + dyn_i->fptr_offset + 8); | |
9203ba99 JJ |
3520 | if (ia64_info->rel_fptr_sec) |
3521 | { | |
3522 | Elf_Internal_Rela outrel; | |
3523 | bfd_byte *loc; | |
3524 | ||
3525 | if (bfd_little_endian (abfd)) | |
3526 | outrel.r_info = ELFNN_R_INFO (0, R_IA64_IPLTLSB); | |
3527 | else | |
3528 | outrel.r_info = ELFNN_R_INFO (0, R_IA64_IPLTMSB); | |
3529 | outrel.r_addend = value; | |
3530 | outrel.r_offset = (fptr_sec->output_section->vma | |
3531 | + fptr_sec->output_offset | |
3532 | + dyn_i->fptr_offset); | |
3533 | loc = ia64_info->rel_fptr_sec->contents; | |
3534 | loc += ia64_info->rel_fptr_sec->reloc_count++ | |
3535 | * sizeof (ElfNN_External_Rela); | |
3536 | bfd_elfNN_swap_reloca_out (abfd, &outrel, loc); | |
3537 | } | |
800eeca4 JW |
3538 | } |
3539 | ||
3540 | /* Return the descriptor's address. */ | |
3541 | value = (fptr_sec->output_section->vma | |
3542 | + fptr_sec->output_offset | |
3543 | + dyn_i->fptr_offset); | |
3544 | ||
3545 | return value; | |
3546 | } | |
3547 | ||
3548 | /* Fill in a PLTOFF entry consisting of the function's code address | |
3549 | and its global pointer. Return the descriptor's address. */ | |
3550 | ||
3551 | static bfd_vma | |
3552 | set_pltoff_entry (abfd, info, dyn_i, value, is_plt) | |
3553 | bfd *abfd; | |
3554 | struct bfd_link_info *info; | |
bbe66d08 | 3555 | struct elfNN_ia64_dyn_sym_info *dyn_i; |
800eeca4 | 3556 | bfd_vma value; |
b34976b6 | 3557 | bfd_boolean is_plt; |
800eeca4 | 3558 | { |
bbe66d08 | 3559 | struct elfNN_ia64_link_hash_table *ia64_info; |
800eeca4 JW |
3560 | asection *pltoff_sec; |
3561 | ||
bbe66d08 | 3562 | ia64_info = elfNN_ia64_hash_table (info); |
800eeca4 JW |
3563 | pltoff_sec = ia64_info->pltoff_sec; |
3564 | ||
3565 | /* Don't do anything if this symbol uses a real PLT entry. In | |
3566 | that case, we'll fill this in during finish_dynamic_symbol. */ | |
3567 | if ((! dyn_i->want_plt || is_plt) | |
3568 | && !dyn_i->pltoff_done) | |
3569 | { | |
18b27f17 RH |
3570 | bfd_vma gp = _bfd_get_gp_value (abfd); |
3571 | ||
800eeca4 JW |
3572 | /* Fill in the function descriptor. */ |
3573 | bfd_put_64 (abfd, value, pltoff_sec->contents + dyn_i->pltoff_offset); | |
18b27f17 | 3574 | bfd_put_64 (abfd, gp, pltoff_sec->contents + dyn_i->pltoff_offset + 8); |
800eeca4 JW |
3575 | |
3576 | /* Install dynamic relocations if needed. */ | |
ef5aade5 L |
3577 | if (!is_plt |
3578 | && info->shared | |
3579 | && (!dyn_i->h | |
3580 | || ELF_ST_VISIBILITY (dyn_i->h->other) == STV_DEFAULT | |
3581 | || dyn_i->h->root.type != bfd_link_hash_undefweak)) | |
800eeca4 JW |
3582 | { |
3583 | unsigned int dyn_r_type; | |
3584 | ||
3585 | if (bfd_big_endian (abfd)) | |
3586 | dyn_r_type = R_IA64_REL64MSB; | |
3587 | else | |
3588 | dyn_r_type = R_IA64_REL64LSB; | |
3589 | ||
bbe66d08 | 3590 | elfNN_ia64_install_dyn_reloc (abfd, NULL, pltoff_sec, |
800eeca4 JW |
3591 | ia64_info->rel_pltoff_sec, |
3592 | dyn_i->pltoff_offset, | |
18b27f17 | 3593 | dyn_r_type, 0, value); |
bbe66d08 | 3594 | elfNN_ia64_install_dyn_reloc (abfd, NULL, pltoff_sec, |
800eeca4 JW |
3595 | ia64_info->rel_pltoff_sec, |
3596 | dyn_i->pltoff_offset + 8, | |
18b27f17 | 3597 | dyn_r_type, 0, gp); |
800eeca4 JW |
3598 | } |
3599 | ||
3600 | dyn_i->pltoff_done = 1; | |
3601 | } | |
3602 | ||
3603 | /* Return the descriptor's address. */ | |
3604 | value = (pltoff_sec->output_section->vma | |
3605 | + pltoff_sec->output_offset | |
3606 | + dyn_i->pltoff_offset); | |
3607 | ||
3608 | return value; | |
3609 | } | |
3610 | ||
13ae64f3 JJ |
3611 | /* Return the base VMA address which should be subtracted from real addresses |
3612 | when resolving @tprel() relocation. | |
3613 | Main program TLS (whose template starts at PT_TLS p_vaddr) | |
3614 | is assigned offset round(16, PT_TLS p_align). */ | |
3615 | ||
3616 | static bfd_vma | |
3617 | elfNN_ia64_tprel_base (info) | |
3618 | struct bfd_link_info *info; | |
3619 | { | |
e1918d23 | 3620 | asection *tls_sec = elf_hash_table (info)->tls_sec; |
13ae64f3 | 3621 | |
e1918d23 AM |
3622 | BFD_ASSERT (tls_sec != NULL); |
3623 | return tls_sec->vma - align_power ((bfd_vma) 16, tls_sec->alignment_power); | |
13ae64f3 JJ |
3624 | } |
3625 | ||
3626 | /* Return the base VMA address which should be subtracted from real addresses | |
3627 | when resolving @dtprel() relocation. | |
3628 | This is PT_TLS segment p_vaddr. */ | |
3629 | ||
3630 | static bfd_vma | |
3631 | elfNN_ia64_dtprel_base (info) | |
3632 | struct bfd_link_info *info; | |
3633 | { | |
e1918d23 AM |
3634 | BFD_ASSERT (elf_hash_table (info)->tls_sec != NULL); |
3635 | return elf_hash_table (info)->tls_sec->vma; | |
13ae64f3 JJ |
3636 | } |
3637 | ||
f3b6f7c3 | 3638 | /* Called through qsort to sort the .IA_64.unwind section during a |
bbe66d08 | 3639 | non-relocatable link. Set elfNN_ia64_unwind_entry_compare_bfd |
f3b6f7c3 RH |
3640 | to the output bfd so we can do proper endianness frobbing. */ |
3641 | ||
bbe66d08 | 3642 | static bfd *elfNN_ia64_unwind_entry_compare_bfd; |
f3b6f7c3 RH |
3643 | |
3644 | static int | |
bbe66d08 | 3645 | elfNN_ia64_unwind_entry_compare (a, b) |
cea4409c AM |
3646 | const PTR a; |
3647 | const PTR b; | |
f3b6f7c3 RH |
3648 | { |
3649 | bfd_vma av, bv; | |
3650 | ||
bbe66d08 JW |
3651 | av = bfd_get_64 (elfNN_ia64_unwind_entry_compare_bfd, a); |
3652 | bv = bfd_get_64 (elfNN_ia64_unwind_entry_compare_bfd, b); | |
f3b6f7c3 RH |
3653 | |
3654 | return (av < bv ? -1 : av > bv ? 1 : 0); | |
3655 | } | |
3656 | ||
2c4c2bc0 | 3657 | /* Make sure we've got ourselves a nice fat __gp value. */ |
b34976b6 | 3658 | static bfd_boolean |
2c4c2bc0 | 3659 | elfNN_ia64_choose_gp (abfd, info) |
800eeca4 JW |
3660 | bfd *abfd; |
3661 | struct bfd_link_info *info; | |
3662 | { | |
2c4c2bc0 RH |
3663 | bfd_vma min_vma = (bfd_vma) -1, max_vma = 0; |
3664 | bfd_vma min_short_vma = min_vma, max_short_vma = 0; | |
3665 | struct elf_link_hash_entry *gp; | |
3666 | bfd_vma gp_val; | |
3667 | asection *os; | |
bbe66d08 | 3668 | struct elfNN_ia64_link_hash_table *ia64_info; |
9a951beb | 3669 | |
bbe66d08 | 3670 | ia64_info = elfNN_ia64_hash_table (info); |
800eeca4 | 3671 | |
2c4c2bc0 RH |
3672 | /* Find the min and max vma of all sections marked short. Also collect |
3673 | min and max vma of any type, for use in selecting a nice gp. */ | |
3674 | for (os = abfd->sections; os ; os = os->next) | |
800eeca4 | 3675 | { |
2c4c2bc0 | 3676 | bfd_vma lo, hi; |
800eeca4 | 3677 | |
2c4c2bc0 RH |
3678 | if ((os->flags & SEC_ALLOC) == 0) |
3679 | continue; | |
3680 | ||
3681 | lo = os->vma; | |
eea6121a | 3682 | hi = os->vma + os->size; |
2c4c2bc0 RH |
3683 | if (hi < lo) |
3684 | hi = (bfd_vma) -1; | |
3685 | ||
3686 | if (min_vma > lo) | |
3687 | min_vma = lo; | |
3688 | if (max_vma < hi) | |
3689 | max_vma = hi; | |
3690 | if (os->flags & SEC_SMALL_DATA) | |
800eeca4 | 3691 | { |
2c4c2bc0 RH |
3692 | if (min_short_vma > lo) |
3693 | min_short_vma = lo; | |
3694 | if (max_short_vma < hi) | |
3695 | max_short_vma = hi; | |
3696 | } | |
3697 | } | |
800eeca4 | 3698 | |
2c4c2bc0 RH |
3699 | /* See if the user wants to force a value. */ |
3700 | gp = elf_link_hash_lookup (elf_hash_table (info), "__gp", FALSE, | |
3701 | FALSE, FALSE); | |
800eeca4 | 3702 | |
2c4c2bc0 RH |
3703 | if (gp |
3704 | && (gp->root.type == bfd_link_hash_defined | |
3705 | || gp->root.type == bfd_link_hash_defweak)) | |
3706 | { | |
3707 | asection *gp_sec = gp->root.u.def.section; | |
3708 | gp_val = (gp->root.u.def.value | |
3709 | + gp_sec->output_section->vma | |
3710 | + gp_sec->output_offset); | |
3711 | } | |
3712 | else | |
3713 | { | |
3714 | /* Pick a sensible value. */ | |
800eeca4 | 3715 | |
2c4c2bc0 RH |
3716 | asection *got_sec = ia64_info->got_sec; |
3717 | ||
3718 | /* Start with just the address of the .got. */ | |
3719 | if (got_sec) | |
3720 | gp_val = got_sec->output_section->vma; | |
3721 | else if (max_short_vma != 0) | |
3722 | gp_val = min_short_vma; | |
3723 | else | |
3724 | gp_val = min_vma; | |
3725 | ||
3726 | /* If it is possible to address the entire image, but we | |
3727 | don't with the choice above, adjust. */ | |
3728 | if (max_vma - min_vma < 0x400000 | |
3729 | && max_vma - gp_val <= 0x200000 | |
3730 | && gp_val - min_vma > 0x200000) | |
3731 | gp_val = min_vma + 0x200000; | |
3732 | else if (max_short_vma != 0) | |
3733 | { | |
3734 | /* If we don't cover all the short data, adjust. */ | |
3735 | if (max_short_vma - gp_val >= 0x200000) | |
3736 | gp_val = min_short_vma + 0x200000; | |
3737 | ||
3738 | /* If we're addressing stuff past the end, adjust back. */ | |
3739 | if (gp_val > max_vma) | |
3740 | gp_val = max_vma - 0x200000 + 8; | |
800eeca4 | 3741 | } |
2c4c2bc0 | 3742 | } |
800eeca4 | 3743 | |
2c4c2bc0 RH |
3744 | /* Validate whether all SHF_IA_64_SHORT sections are within |
3745 | range of the chosen GP. */ | |
800eeca4 | 3746 | |
2c4c2bc0 RH |
3747 | if (max_short_vma != 0) |
3748 | { | |
3749 | if (max_short_vma - min_short_vma >= 0x400000) | |
800eeca4 | 3750 | { |
2c4c2bc0 RH |
3751 | (*_bfd_error_handler) |
3752 | (_("%s: short data segment overflowed (0x%lx >= 0x400000)"), | |
3753 | bfd_get_filename (abfd), | |
3754 | (unsigned long) (max_short_vma - min_short_vma)); | |
3755 | return FALSE; | |
800eeca4 | 3756 | } |
2c4c2bc0 RH |
3757 | else if ((gp_val > min_short_vma |
3758 | && gp_val - min_short_vma > 0x200000) | |
3759 | || (gp_val < max_short_vma | |
3760 | && max_short_vma - gp_val >= 0x200000)) | |
800eeca4 | 3761 | { |
2c4c2bc0 RH |
3762 | (*_bfd_error_handler) |
3763 | (_("%s: __gp does not cover short data segment"), | |
3764 | bfd_get_filename (abfd)); | |
3765 | return FALSE; | |
3766 | } | |
3767 | } | |
800eeca4 | 3768 | |
2c4c2bc0 | 3769 | _bfd_set_gp_value (abfd, gp_val); |
800eeca4 | 3770 | |
2c4c2bc0 RH |
3771 | return TRUE; |
3772 | } | |
800eeca4 | 3773 | |
2c4c2bc0 RH |
3774 | static bfd_boolean |
3775 | elfNN_ia64_final_link (abfd, info) | |
3776 | bfd *abfd; | |
3777 | struct bfd_link_info *info; | |
3778 | { | |
3779 | struct elfNN_ia64_link_hash_table *ia64_info; | |
3780 | asection *unwind_output_sec; | |
800eeca4 | 3781 | |
2c4c2bc0 | 3782 | ia64_info = elfNN_ia64_hash_table (info); |
800eeca4 | 3783 | |
2c4c2bc0 | 3784 | /* Make sure we've got ourselves a nice fat __gp value. */ |
1049f94e | 3785 | if (!info->relocatable) |
2c4c2bc0 RH |
3786 | { |
3787 | bfd_vma gp_val = _bfd_get_gp_value (abfd); | |
3788 | struct elf_link_hash_entry *gp; | |
3789 | ||
3790 | if (gp_val == 0) | |
800eeca4 | 3791 | { |
2c4c2bc0 RH |
3792 | if (! elfNN_ia64_choose_gp (abfd, info)) |
3793 | return FALSE; | |
3794 | gp_val = _bfd_get_gp_value (abfd); | |
800eeca4 JW |
3795 | } |
3796 | ||
2c4c2bc0 RH |
3797 | gp = elf_link_hash_lookup (elf_hash_table (info), "__gp", FALSE, |
3798 | FALSE, FALSE); | |
b4adccfd RH |
3799 | if (gp) |
3800 | { | |
3801 | gp->root.type = bfd_link_hash_defined; | |
3802 | gp->root.u.def.value = gp_val; | |
3803 | gp->root.u.def.section = bfd_abs_section_ptr; | |
3804 | } | |
800eeca4 JW |
3805 | } |
3806 | ||
f3b6f7c3 | 3807 | /* If we're producing a final executable, we need to sort the contents |
9a951beb RH |
3808 | of the .IA_64.unwind section. Force this section to be relocated |
3809 | into memory rather than written immediately to the output file. */ | |
3810 | unwind_output_sec = NULL; | |
1049f94e | 3811 | if (!info->relocatable) |
f3b6f7c3 RH |
3812 | { |
3813 | asection *s = bfd_get_section_by_name (abfd, ELF_STRING_ia64_unwind); | |
3814 | if (s) | |
3815 | { | |
9a951beb RH |
3816 | unwind_output_sec = s->output_section; |
3817 | unwind_output_sec->contents | |
eea6121a | 3818 | = bfd_malloc (unwind_output_sec->size); |
9a951beb | 3819 | if (unwind_output_sec->contents == NULL) |
b34976b6 | 3820 | return FALSE; |
9a951beb RH |
3821 | } |
3822 | } | |
f3b6f7c3 | 3823 | |
9a951beb | 3824 | /* Invoke the regular ELF backend linker to do all the work. */ |
c152c796 | 3825 | if (!bfd_elf_final_link (abfd, info)) |
b34976b6 | 3826 | return FALSE; |
f3b6f7c3 | 3827 | |
9a951beb RH |
3828 | if (unwind_output_sec) |
3829 | { | |
3830 | elfNN_ia64_unwind_entry_compare_bfd = abfd; | |
dc810e39 | 3831 | qsort (unwind_output_sec->contents, |
eea6121a | 3832 | (size_t) (unwind_output_sec->size / 24), |
dc810e39 AM |
3833 | 24, |
3834 | elfNN_ia64_unwind_entry_compare); | |
9a951beb RH |
3835 | |
3836 | if (! bfd_set_section_contents (abfd, unwind_output_sec, | |
dc810e39 | 3837 | unwind_output_sec->contents, (bfd_vma) 0, |
eea6121a | 3838 | unwind_output_sec->size)) |
b34976b6 | 3839 | return FALSE; |
f3b6f7c3 RH |
3840 | } |
3841 | ||
b34976b6 | 3842 | return TRUE; |
800eeca4 JW |
3843 | } |
3844 | ||
b34976b6 | 3845 | static bfd_boolean |
bbe66d08 | 3846 | elfNN_ia64_relocate_section (output_bfd, info, input_bfd, input_section, |
800eeca4 JW |
3847 | contents, relocs, local_syms, local_sections) |
3848 | bfd *output_bfd; | |
3849 | struct bfd_link_info *info; | |
3850 | bfd *input_bfd; | |
3851 | asection *input_section; | |
3852 | bfd_byte *contents; | |
3853 | Elf_Internal_Rela *relocs; | |
3854 | Elf_Internal_Sym *local_syms; | |
3855 | asection **local_sections; | |
3856 | { | |
bbe66d08 | 3857 | struct elfNN_ia64_link_hash_table *ia64_info; |
800eeca4 JW |
3858 | Elf_Internal_Shdr *symtab_hdr; |
3859 | Elf_Internal_Rela *rel; | |
3860 | Elf_Internal_Rela *relend; | |
3861 | asection *srel; | |
b34976b6 | 3862 | bfd_boolean ret_val = TRUE; /* for non-fatal errors */ |
800eeca4 JW |
3863 | bfd_vma gp_val; |
3864 | ||
3865 | symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr; | |
bbe66d08 | 3866 | ia64_info = elfNN_ia64_hash_table (info); |
800eeca4 JW |
3867 | |
3868 | /* Infect various flags from the input section to the output section. */ | |
1049f94e | 3869 | if (info->relocatable) |
800eeca4 JW |
3870 | { |
3871 | bfd_vma flags; | |
3872 | ||
3873 | flags = elf_section_data(input_section)->this_hdr.sh_flags; | |
3874 | flags &= SHF_IA_64_NORECOV; | |
3875 | ||
3876 | elf_section_data(input_section->output_section) | |
3877 | ->this_hdr.sh_flags |= flags; | |
b34976b6 | 3878 | return TRUE; |
800eeca4 JW |
3879 | } |
3880 | ||
3881 | gp_val = _bfd_get_gp_value (output_bfd); | |
b34976b6 | 3882 | srel = get_reloc_section (input_bfd, ia64_info, input_section, FALSE); |
800eeca4 JW |
3883 | |
3884 | rel = relocs; | |
3885 | relend = relocs + input_section->reloc_count; | |
3886 | for (; rel < relend; ++rel) | |
3887 | { | |
3888 | struct elf_link_hash_entry *h; | |
bbe66d08 | 3889 | struct elfNN_ia64_dyn_sym_info *dyn_i; |
800eeca4 JW |
3890 | bfd_reloc_status_type r; |
3891 | reloc_howto_type *howto; | |
3892 | unsigned long r_symndx; | |
3893 | Elf_Internal_Sym *sym; | |
3894 | unsigned int r_type; | |
3895 | bfd_vma value; | |
3896 | asection *sym_sec; | |
3897 | bfd_byte *hit_addr; | |
b34976b6 AM |
3898 | bfd_boolean dynamic_symbol_p; |
3899 | bfd_boolean undef_weak_ref; | |
800eeca4 | 3900 | |
bbe66d08 | 3901 | r_type = ELFNN_R_TYPE (rel->r_info); |
800eeca4 JW |
3902 | if (r_type > R_IA64_MAX_RELOC_CODE) |
3903 | { | |
3904 | (*_bfd_error_handler) | |
d003868e AM |
3905 | (_("%B: unknown relocation type %d"), |
3906 | input_bfd, (int) r_type); | |
800eeca4 | 3907 | bfd_set_error (bfd_error_bad_value); |
b34976b6 | 3908 | ret_val = FALSE; |
800eeca4 JW |
3909 | continue; |
3910 | } | |
b491616a | 3911 | |
800eeca4 | 3912 | howto = lookup_howto (r_type); |
bbe66d08 | 3913 | r_symndx = ELFNN_R_SYM (rel->r_info); |
800eeca4 JW |
3914 | h = NULL; |
3915 | sym = NULL; | |
3916 | sym_sec = NULL; | |
b34976b6 | 3917 | undef_weak_ref = FALSE; |
800eeca4 JW |
3918 | |
3919 | if (r_symndx < symtab_hdr->sh_info) | |
3920 | { | |
3921 | /* Reloc against local symbol. */ | |
8517fae7 | 3922 | asection *msec; |
800eeca4 JW |
3923 | sym = local_syms + r_symndx; |
3924 | sym_sec = local_sections[r_symndx]; | |
8517fae7 AM |
3925 | msec = sym_sec; |
3926 | value = _bfd_elf_rela_local_sym (output_bfd, sym, &msec, rel); | |
f7460f5f JJ |
3927 | if ((sym_sec->flags & SEC_MERGE) |
3928 | && ELF_ST_TYPE (sym->st_info) == STT_SECTION | |
68bfbfcc | 3929 | && sym_sec->sec_info_type == ELF_INFO_TYPE_MERGE) |
f7460f5f JJ |
3930 | { |
3931 | struct elfNN_ia64_local_hash_entry *loc_h; | |
b34976b6 AM |
3932 | |
3933 | loc_h = get_local_sym_hash (ia64_info, input_bfd, rel, FALSE); | |
f7460f5f JJ |
3934 | if (loc_h && ! loc_h->sec_merge_done) |
3935 | { | |
3936 | struct elfNN_ia64_dyn_sym_info *dynent; | |
f7460f5f JJ |
3937 | |
3938 | for (dynent = loc_h->info; dynent; dynent = dynent->next) | |
3939 | { | |
3940 | msec = sym_sec; | |
3941 | dynent->addend = | |
3942 | _bfd_merged_section_offset (output_bfd, &msec, | |
3943 | elf_section_data (msec)-> | |
65765700 | 3944 | sec_info, |
f7460f5f | 3945 | sym->st_value |
753731ee | 3946 | + dynent->addend); |
f7460f5f JJ |
3947 | dynent->addend -= sym->st_value; |
3948 | dynent->addend += msec->output_section->vma | |
3949 | + msec->output_offset | |
3950 | - sym_sec->output_section->vma | |
3951 | - sym_sec->output_offset; | |
3952 | } | |
3953 | loc_h->sec_merge_done = 1; | |
3954 | } | |
3955 | } | |
800eeca4 JW |
3956 | } |
3957 | else | |
3958 | { | |
560e09e9 NC |
3959 | bfd_boolean unresolved_reloc; |
3960 | bfd_boolean warned; | |
b2a8e766 | 3961 | struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (input_bfd); |
800eeca4 | 3962 | |
b2a8e766 AM |
3963 | RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel, |
3964 | r_symndx, symtab_hdr, sym_hashes, | |
3965 | h, sym_sec, value, | |
3966 | unresolved_reloc, warned); | |
800eeca4 | 3967 | |
560e09e9 | 3968 | if (h->root.type == bfd_link_hash_undefweak) |
b34976b6 | 3969 | undef_weak_ref = TRUE; |
560e09e9 NC |
3970 | else if (warned) |
3971 | continue; | |
800eeca4 JW |
3972 | } |
3973 | ||
3974 | hit_addr = contents + rel->r_offset; | |
3975 | value += rel->r_addend; | |
986a241f | 3976 | dynamic_symbol_p = elfNN_ia64_dynamic_symbol_p (h, info, r_type); |
800eeca4 JW |
3977 | |
3978 | switch (r_type) | |
3979 | { | |
3980 | case R_IA64_NONE: | |
3981 | case R_IA64_LDXMOV: | |
3982 | continue; | |
3983 | ||
3984 | case R_IA64_IMM14: | |
3985 | case R_IA64_IMM22: | |
3986 | case R_IA64_IMM64: | |
3987 | case R_IA64_DIR32MSB: | |
3988 | case R_IA64_DIR32LSB: | |
3989 | case R_IA64_DIR64MSB: | |
3990 | case R_IA64_DIR64LSB: | |
3991 | /* Install a dynamic relocation for this reloc. */ | |
02e6ad56 | 3992 | if ((dynamic_symbol_p || info->shared) |
ec338859 | 3993 | && r_symndx != 0 |
800eeca4 JW |
3994 | && (input_section->flags & SEC_ALLOC) != 0) |
3995 | { | |
3996 | unsigned int dyn_r_type; | |
3997 | long dynindx; | |
18b27f17 | 3998 | bfd_vma addend; |
800eeca4 JW |
3999 | |
4000 | BFD_ASSERT (srel != NULL); | |
4001 | ||
838e70c5 L |
4002 | switch (r_type) |
4003 | { | |
4004 | case R_IA64_IMM14: | |
4005 | case R_IA64_IMM22: | |
4006 | case R_IA64_IMM64: | |
4007 | /* ??? People shouldn't be doing non-pic code in | |
4008 | shared libraries nor dynamic executables. */ | |
4009 | (*_bfd_error_handler) | |
d003868e AM |
4010 | (_("%B: non-pic code with imm relocation against dynamic symbol `%s'"), |
4011 | input_bfd, | |
838e70c5 L |
4012 | h->root.root.string); |
4013 | ret_val = FALSE; | |
4014 | continue; | |
4015 | ||
4016 | default: | |
4017 | break; | |
4018 | } | |
4019 | ||
800eeca4 JW |
4020 | /* If we don't need dynamic symbol lookup, find a |
4021 | matching RELATIVE relocation. */ | |
4022 | dyn_r_type = r_type; | |
986a241f | 4023 | if (dynamic_symbol_p) |
18b27f17 RH |
4024 | { |
4025 | dynindx = h->dynindx; | |
4026 | addend = rel->r_addend; | |
4027 | value = 0; | |
4028 | } | |
800eeca4 JW |
4029 | else |
4030 | { | |
4031 | switch (r_type) | |
4032 | { | |
4033 | case R_IA64_DIR32MSB: | |
4034 | dyn_r_type = R_IA64_REL32MSB; | |
4035 | break; | |
4036 | case R_IA64_DIR32LSB: | |
4037 | dyn_r_type = R_IA64_REL32LSB; | |
4038 | break; | |
4039 | case R_IA64_DIR64MSB: | |
4040 | dyn_r_type = R_IA64_REL64MSB; | |
4041 | break; | |
4042 | case R_IA64_DIR64LSB: | |
4043 | dyn_r_type = R_IA64_REL64LSB; | |
4044 | break; | |
4045 | ||
4046 | default: | |
838e70c5 | 4047 | break; |
800eeca4 JW |
4048 | } |
4049 | dynindx = 0; | |
18b27f17 | 4050 | addend = value; |
800eeca4 JW |
4051 | } |
4052 | ||
bbe66d08 | 4053 | elfNN_ia64_install_dyn_reloc (output_bfd, info, input_section, |
800eeca4 | 4054 | srel, rel->r_offset, dyn_r_type, |
18b27f17 | 4055 | dynindx, addend); |
800eeca4 | 4056 | } |
ae9a127f | 4057 | /* Fall through. */ |
800eeca4 JW |
4058 | |
4059 | case R_IA64_LTV32MSB: | |
4060 | case R_IA64_LTV32LSB: | |
4061 | case R_IA64_LTV64MSB: | |
4062 | case R_IA64_LTV64LSB: | |
bbb268c3 | 4063 | r = elfNN_ia64_install_value (hit_addr, value, r_type); |
800eeca4 JW |
4064 | break; |
4065 | ||
4066 | case R_IA64_GPREL22: | |
4067 | case R_IA64_GPREL64I: | |
4068 | case R_IA64_GPREL32MSB: | |
4069 | case R_IA64_GPREL32LSB: | |
4070 | case R_IA64_GPREL64MSB: | |
4071 | case R_IA64_GPREL64LSB: | |
4072 | if (dynamic_symbol_p) | |
4073 | { | |
4074 | (*_bfd_error_handler) | |
d003868e AM |
4075 | (_("%B: @gprel relocation against dynamic symbol %s"), |
4076 | input_bfd, h->root.root.string); | |
b34976b6 | 4077 | ret_val = FALSE; |
800eeca4 JW |
4078 | continue; |
4079 | } | |
4080 | value -= gp_val; | |
bbb268c3 | 4081 | r = elfNN_ia64_install_value (hit_addr, value, r_type); |
800eeca4 JW |
4082 | break; |
4083 | ||
4084 | case R_IA64_LTOFF22: | |
4085 | case R_IA64_LTOFF22X: | |
4086 | case R_IA64_LTOFF64I: | |
b34976b6 | 4087 | dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, FALSE); |
800eeca4 JW |
4088 | value = set_got_entry (input_bfd, info, dyn_i, (h ? h->dynindx : -1), |
4089 | rel->r_addend, value, R_IA64_DIR64LSB); | |
4090 | value -= gp_val; | |
bbb268c3 | 4091 | r = elfNN_ia64_install_value (hit_addr, value, r_type); |
800eeca4 JW |
4092 | break; |
4093 | ||
4094 | case R_IA64_PLTOFF22: | |
4095 | case R_IA64_PLTOFF64I: | |
4096 | case R_IA64_PLTOFF64MSB: | |
4097 | case R_IA64_PLTOFF64LSB: | |
b34976b6 AM |
4098 | dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, FALSE); |
4099 | value = set_pltoff_entry (output_bfd, info, dyn_i, value, FALSE); | |
800eeca4 | 4100 | value -= gp_val; |
bbb268c3 | 4101 | r = elfNN_ia64_install_value (hit_addr, value, r_type); |
800eeca4 JW |
4102 | break; |
4103 | ||
4104 | case R_IA64_FPTR64I: | |
4105 | case R_IA64_FPTR32MSB: | |
4106 | case R_IA64_FPTR32LSB: | |
4107 | case R_IA64_FPTR64MSB: | |
4108 | case R_IA64_FPTR64LSB: | |
b34976b6 | 4109 | dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, FALSE); |
800eeca4 JW |
4110 | if (dyn_i->want_fptr) |
4111 | { | |
4112 | if (!undef_weak_ref) | |
4113 | value = set_fptr_entry (output_bfd, info, dyn_i, value); | |
4114 | } | |
9203ba99 | 4115 | if (!dyn_i->want_fptr || info->pie) |
800eeca4 JW |
4116 | { |
4117 | long dynindx; | |
9203ba99 JJ |
4118 | unsigned int dyn_r_type = r_type; |
4119 | bfd_vma addend = rel->r_addend; | |
800eeca4 JW |
4120 | |
4121 | /* Otherwise, we expect the dynamic linker to create | |
4122 | the entry. */ | |
4123 | ||
9203ba99 JJ |
4124 | if (dyn_i->want_fptr) |
4125 | { | |
4126 | if (r_type == R_IA64_FPTR64I) | |
4127 | { | |
4128 | /* We can't represent this without a dynamic symbol. | |
4129 | Adjust the relocation to be against an output | |
4130 | section symbol, which are always present in the | |
4131 | dynamic symbol table. */ | |
4132 | /* ??? People shouldn't be doing non-pic code in | |
4133 | shared libraries. Hork. */ | |
4134 | (*_bfd_error_handler) | |
d003868e AM |
4135 | (_("%B: linking non-pic code in a position independent executable"), |
4136 | input_bfd); | |
9203ba99 JJ |
4137 | ret_val = FALSE; |
4138 | continue; | |
4139 | } | |
4140 | dynindx = 0; | |
4141 | addend = value; | |
4142 | dyn_r_type = r_type + R_IA64_REL64LSB - R_IA64_FPTR64LSB; | |
4143 | } | |
4144 | else if (h) | |
800eeca4 JW |
4145 | { |
4146 | if (h->dynindx != -1) | |
4147 | dynindx = h->dynindx; | |
4148 | else | |
4149 | dynindx = (_bfd_elf_link_lookup_local_dynindx | |
4150 | (info, h->root.u.def.section->owner, | |
4151 | global_sym_index (h))); | |
9203ba99 | 4152 | value = 0; |
800eeca4 JW |
4153 | } |
4154 | else | |
4155 | { | |
4156 | dynindx = (_bfd_elf_link_lookup_local_dynindx | |
dc810e39 | 4157 | (info, input_bfd, (long) r_symndx)); |
9203ba99 | 4158 | value = 0; |
800eeca4 JW |
4159 | } |
4160 | ||
bbe66d08 | 4161 | elfNN_ia64_install_dyn_reloc (output_bfd, info, input_section, |
9203ba99 JJ |
4162 | srel, rel->r_offset, dyn_r_type, |
4163 | dynindx, addend); | |
800eeca4 JW |
4164 | } |
4165 | ||
bbb268c3 | 4166 | r = elfNN_ia64_install_value (hit_addr, value, r_type); |
800eeca4 JW |
4167 | break; |
4168 | ||
4169 | case R_IA64_LTOFF_FPTR22: | |
4170 | case R_IA64_LTOFF_FPTR64I: | |
a4bd8390 JW |
4171 | case R_IA64_LTOFF_FPTR32MSB: |
4172 | case R_IA64_LTOFF_FPTR32LSB: | |
800eeca4 JW |
4173 | case R_IA64_LTOFF_FPTR64MSB: |
4174 | case R_IA64_LTOFF_FPTR64LSB: | |
4175 | { | |
4176 | long dynindx; | |
4177 | ||
b34976b6 | 4178 | dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, FALSE); |
800eeca4 JW |
4179 | if (dyn_i->want_fptr) |
4180 | { | |
f12123c0 | 4181 | BFD_ASSERT (h == NULL || h->dynindx == -1); |
800eeca4 JW |
4182 | if (!undef_weak_ref) |
4183 | value = set_fptr_entry (output_bfd, info, dyn_i, value); | |
4184 | dynindx = -1; | |
4185 | } | |
4186 | else | |
4187 | { | |
4188 | /* Otherwise, we expect the dynamic linker to create | |
4189 | the entry. */ | |
4190 | if (h) | |
4191 | { | |
4192 | if (h->dynindx != -1) | |
4193 | dynindx = h->dynindx; | |
4194 | else | |
4195 | dynindx = (_bfd_elf_link_lookup_local_dynindx | |
4196 | (info, h->root.u.def.section->owner, | |
4197 | global_sym_index (h))); | |
4198 | } | |
4199 | else | |
4200 | dynindx = (_bfd_elf_link_lookup_local_dynindx | |
dc810e39 | 4201 | (info, input_bfd, (long) r_symndx)); |
800eeca4 JW |
4202 | value = 0; |
4203 | } | |
4204 | ||
4205 | value = set_got_entry (output_bfd, info, dyn_i, dynindx, | |
4206 | rel->r_addend, value, R_IA64_FPTR64LSB); | |
4207 | value -= gp_val; | |
bbb268c3 | 4208 | r = elfNN_ia64_install_value (hit_addr, value, r_type); |
800eeca4 JW |
4209 | } |
4210 | break; | |
4211 | ||
4212 | case R_IA64_PCREL32MSB: | |
4213 | case R_IA64_PCREL32LSB: | |
4214 | case R_IA64_PCREL64MSB: | |
4215 | case R_IA64_PCREL64LSB: | |
4216 | /* Install a dynamic relocation for this reloc. */ | |
02e6ad56 | 4217 | if (dynamic_symbol_p && r_symndx != 0) |
800eeca4 JW |
4218 | { |
4219 | BFD_ASSERT (srel != NULL); | |
4220 | ||
bbe66d08 | 4221 | elfNN_ia64_install_dyn_reloc (output_bfd, info, input_section, |
800eeca4 JW |
4222 | srel, rel->r_offset, r_type, |
4223 | h->dynindx, rel->r_addend); | |
4224 | } | |
4225 | goto finish_pcrel; | |
4226 | ||
800eeca4 | 4227 | case R_IA64_PCREL21B: |
748abff6 | 4228 | case R_IA64_PCREL60B: |
800eeca4 | 4229 | /* We should have created a PLT entry for any dynamic symbol. */ |
800eeca4 JW |
4230 | dyn_i = NULL; |
4231 | if (h) | |
b34976b6 | 4232 | dyn_i = get_dyn_sym_info (ia64_info, h, NULL, NULL, FALSE); |
800eeca4 JW |
4233 | |
4234 | if (dyn_i && dyn_i->want_plt2) | |
4235 | { | |
4236 | /* Should have caught this earlier. */ | |
4237 | BFD_ASSERT (rel->r_addend == 0); | |
4238 | ||
4239 | value = (ia64_info->plt_sec->output_section->vma | |
4240 | + ia64_info->plt_sec->output_offset | |
4241 | + dyn_i->plt2_offset); | |
4242 | } | |
4243 | else | |
4244 | { | |
4245 | /* Since there's no PLT entry, Validate that this is | |
4246 | locally defined. */ | |
4247 | BFD_ASSERT (undef_weak_ref || sym_sec->output_section != NULL); | |
4248 | ||
4249 | /* If the symbol is undef_weak, we shouldn't be trying | |
4250 | to call it. There's every chance that we'd wind up | |
4251 | with an out-of-range fixup here. Don't bother setting | |
4252 | any value at all. */ | |
4253 | if (undef_weak_ref) | |
4254 | continue; | |
4255 | } | |
4256 | goto finish_pcrel; | |
4257 | ||
2f9bd3f6 RH |
4258 | case R_IA64_PCREL21BI: |
4259 | case R_IA64_PCREL21F: | |
4260 | case R_IA64_PCREL21M: | |
748abff6 RH |
4261 | case R_IA64_PCREL22: |
4262 | case R_IA64_PCREL64I: | |
2f9bd3f6 RH |
4263 | /* The PCREL21BI reloc is specifically not intended for use with |
4264 | dynamic relocs. PCREL21F and PCREL21M are used for speculation | |
f12123c0 | 4265 | fixup code, and thus probably ought not be dynamic. The |
2f9bd3f6 RH |
4266 | PCREL22 and PCREL64I relocs aren't emitted as dynamic relocs. */ |
4267 | if (dynamic_symbol_p) | |
4268 | { | |
4269 | const char *msg; | |
4270 | ||
4271 | if (r_type == R_IA64_PCREL21BI) | |
d003868e | 4272 | msg = _("%B: @internal branch to dynamic symbol %s"); |
2f9bd3f6 | 4273 | else if (r_type == R_IA64_PCREL21F || r_type == R_IA64_PCREL21M) |
d003868e | 4274 | msg = _("%B: speculation fixup to dynamic symbol %s"); |
2f9bd3f6 | 4275 | else |
d003868e AM |
4276 | msg = _("%B: @pcrel relocation against dynamic symbol %s"); |
4277 | (*_bfd_error_handler) (msg, input_bfd, h->root.root.string); | |
2f9bd3f6 RH |
4278 | ret_val = FALSE; |
4279 | continue; | |
4280 | } | |
4281 | goto finish_pcrel; | |
4282 | ||
800eeca4 JW |
4283 | finish_pcrel: |
4284 | /* Make pc-relative. */ | |
4285 | value -= (input_section->output_section->vma | |
4286 | + input_section->output_offset | |
4287 | + rel->r_offset) & ~ (bfd_vma) 0x3; | |
bbb268c3 | 4288 | r = elfNN_ia64_install_value (hit_addr, value, r_type); |
800eeca4 JW |
4289 | break; |
4290 | ||
4291 | case R_IA64_SEGREL32MSB: | |
4292 | case R_IA64_SEGREL32LSB: | |
4293 | case R_IA64_SEGREL64MSB: | |
4294 | case R_IA64_SEGREL64LSB: | |
d7458677 AM |
4295 | if (r_symndx == 0) |
4296 | { | |
4297 | /* If the input section was discarded from the output, then | |
4298 | do nothing. */ | |
4299 | r = bfd_reloc_ok; | |
4300 | } | |
4301 | else | |
4302 | { | |
4303 | struct elf_segment_map *m; | |
4304 | Elf_Internal_Phdr *p; | |
4305 | ||
4306 | /* Find the segment that contains the output_section. */ | |
4307 | for (m = elf_tdata (output_bfd)->segment_map, | |
4308 | p = elf_tdata (output_bfd)->phdr; | |
4309 | m != NULL; | |
4310 | m = m->next, p++) | |
4311 | { | |
4312 | int i; | |
4313 | for (i = m->count - 1; i >= 0; i--) | |
9f1c3a0a | 4314 | if (m->sections[i] == input_section->output_section) |
d7458677 AM |
4315 | break; |
4316 | if (i >= 0) | |
800eeca4 | 4317 | break; |
d7458677 | 4318 | } |
800eeca4 | 4319 | |
d7458677 AM |
4320 | if (m == NULL) |
4321 | { | |
800eeca4 | 4322 | r = bfd_reloc_notsupported; |
d7458677 AM |
4323 | } |
4324 | else | |
4325 | { | |
4326 | /* The VMA of the segment is the vaddr of the associated | |
4327 | program header. */ | |
4328 | if (value > p->p_vaddr) | |
4329 | value -= p->p_vaddr; | |
4330 | else | |
4331 | value = 0; | |
bbb268c3 | 4332 | r = elfNN_ia64_install_value (hit_addr, value, r_type); |
d7458677 AM |
4333 | } |
4334 | break; | |
4335 | } | |
800eeca4 JW |
4336 | |
4337 | case R_IA64_SECREL32MSB: | |
4338 | case R_IA64_SECREL32LSB: | |
4339 | case R_IA64_SECREL64MSB: | |
4340 | case R_IA64_SECREL64LSB: | |
97ecf322 L |
4341 | /* Make output-section relative to section where the symbol |
4342 | is defined. PR 475 */ | |
bf718458 L |
4343 | if (sym_sec) |
4344 | value -= sym_sec->output_section->vma; | |
bbb268c3 | 4345 | r = elfNN_ia64_install_value (hit_addr, value, r_type); |
800eeca4 JW |
4346 | break; |
4347 | ||
800eeca4 JW |
4348 | case R_IA64_IPLTMSB: |
4349 | case R_IA64_IPLTLSB: | |
18b27f17 RH |
4350 | /* Install a dynamic relocation for this reloc. */ |
4351 | if ((dynamic_symbol_p || info->shared) | |
4352 | && (input_section->flags & SEC_ALLOC) != 0) | |
4353 | { | |
18b27f17 RH |
4354 | BFD_ASSERT (srel != NULL); |
4355 | ||
4356 | /* If we don't need dynamic symbol lookup, install two | |
4357 | RELATIVE relocations. */ | |
986a241f | 4358 | if (!dynamic_symbol_p) |
18b27f17 RH |
4359 | { |
4360 | unsigned int dyn_r_type; | |
3e932841 | 4361 | |
18b27f17 RH |
4362 | if (r_type == R_IA64_IPLTMSB) |
4363 | dyn_r_type = R_IA64_REL64MSB; | |
4364 | else | |
4365 | dyn_r_type = R_IA64_REL64LSB; | |
4366 | ||
4367 | elfNN_ia64_install_dyn_reloc (output_bfd, info, | |
4368 | input_section, | |
4369 | srel, rel->r_offset, | |
4370 | dyn_r_type, 0, value); | |
4371 | elfNN_ia64_install_dyn_reloc (output_bfd, info, | |
4372 | input_section, | |
4373 | srel, rel->r_offset + 8, | |
4374 | dyn_r_type, 0, gp_val); | |
4375 | } | |
4376 | else | |
4377 | elfNN_ia64_install_dyn_reloc (output_bfd, info, input_section, | |
4378 | srel, rel->r_offset, r_type, | |
4379 | h->dynindx, rel->r_addend); | |
4380 | } | |
4381 | ||
4382 | if (r_type == R_IA64_IPLTMSB) | |
4383 | r_type = R_IA64_DIR64MSB; | |
4384 | else | |
4385 | r_type = R_IA64_DIR64LSB; | |
bbb268c3 JW |
4386 | elfNN_ia64_install_value (hit_addr, value, r_type); |
4387 | r = elfNN_ia64_install_value (hit_addr + 8, gp_val, r_type); | |
18b27f17 | 4388 | break; |
800eeca4 | 4389 | |
13ae64f3 JJ |
4390 | case R_IA64_TPREL14: |
4391 | case R_IA64_TPREL22: | |
4392 | case R_IA64_TPREL64I: | |
4393 | value -= elfNN_ia64_tprel_base (info); | |
bbb268c3 | 4394 | r = elfNN_ia64_install_value (hit_addr, value, r_type); |
13ae64f3 JJ |
4395 | break; |
4396 | ||
4397 | case R_IA64_DTPREL14: | |
4398 | case R_IA64_DTPREL22: | |
4399 | case R_IA64_DTPREL64I: | |
b3dfd7fe JJ |
4400 | case R_IA64_DTPREL64LSB: |
4401 | case R_IA64_DTPREL64MSB: | |
13ae64f3 | 4402 | value -= elfNN_ia64_dtprel_base (info); |
bbb268c3 | 4403 | r = elfNN_ia64_install_value (hit_addr, value, r_type); |
13ae64f3 JJ |
4404 | break; |
4405 | ||
4406 | case R_IA64_LTOFF_TPREL22: | |
4407 | case R_IA64_LTOFF_DTPMOD22: | |
4408 | case R_IA64_LTOFF_DTPREL22: | |
4409 | { | |
4410 | int got_r_type; | |
a823975a JJ |
4411 | long dynindx = h ? h->dynindx : -1; |
4412 | bfd_vma r_addend = rel->r_addend; | |
13ae64f3 JJ |
4413 | |
4414 | switch (r_type) | |
4415 | { | |
4416 | default: | |
4417 | case R_IA64_LTOFF_TPREL22: | |
a823975a JJ |
4418 | if (!dynamic_symbol_p) |
4419 | { | |
4420 | if (!info->shared) | |
4421 | value -= elfNN_ia64_tprel_base (info); | |
4422 | else | |
4423 | { | |
4424 | r_addend += value - elfNN_ia64_dtprel_base (info); | |
4425 | dynindx = 0; | |
4426 | } | |
4427 | } | |
13ae64f3 JJ |
4428 | got_r_type = R_IA64_TPREL64LSB; |
4429 | break; | |
4430 | case R_IA64_LTOFF_DTPMOD22: | |
4431 | if (!dynamic_symbol_p && !info->shared) | |
4432 | value = 1; | |
4433 | got_r_type = R_IA64_DTPMOD64LSB; | |
4434 | break; | |
4435 | case R_IA64_LTOFF_DTPREL22: | |
4436 | if (!dynamic_symbol_p) | |
4437 | value -= elfNN_ia64_dtprel_base (info); | |
4438 | got_r_type = R_IA64_DTPREL64LSB; | |
4439 | break; | |
4440 | } | |
b34976b6 | 4441 | dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, FALSE); |
a823975a | 4442 | value = set_got_entry (input_bfd, info, dyn_i, dynindx, r_addend, |
13ae64f3 JJ |
4443 | value, got_r_type); |
4444 | value -= gp_val; | |
bbb268c3 | 4445 | r = elfNN_ia64_install_value (hit_addr, value, r_type); |
13ae64f3 JJ |
4446 | } |
4447 | break; | |
4448 | ||
800eeca4 JW |
4449 | default: |
4450 | r = bfd_reloc_notsupported; | |
4451 | break; | |
4452 | } | |
4453 | ||
4454 | switch (r) | |
4455 | { | |
4456 | case bfd_reloc_ok: | |
4457 | break; | |
4458 | ||
4459 | case bfd_reloc_undefined: | |
4460 | /* This can happen for global table relative relocs if | |
4461 | __gp is undefined. This is a panic situation so we | |
4462 | don't try to continue. */ | |
4463 | (*info->callbacks->undefined_symbol) | |
4464 | (info, "__gp", input_bfd, input_section, rel->r_offset, 1); | |
b34976b6 | 4465 | return FALSE; |
800eeca4 JW |
4466 | |
4467 | case bfd_reloc_notsupported: | |
4468 | { | |
4469 | const char *name; | |
4470 | ||
4471 | if (h) | |
4472 | name = h->root.root.string; | |
4473 | else | |
4474 | { | |
4475 | name = bfd_elf_string_from_elf_section (input_bfd, | |
4476 | symtab_hdr->sh_link, | |
4477 | sym->st_name); | |
4478 | if (name == NULL) | |
b34976b6 | 4479 | return FALSE; |
800eeca4 JW |
4480 | if (*name == '\0') |
4481 | name = bfd_section_name (input_bfd, input_section); | |
4482 | } | |
4483 | if (!(*info->callbacks->warning) (info, _("unsupported reloc"), | |
4484 | name, input_bfd, | |
4485 | input_section, rel->r_offset)) | |
b34976b6 AM |
4486 | return FALSE; |
4487 | ret_val = FALSE; | |
800eeca4 JW |
4488 | } |
4489 | break; | |
4490 | ||
4491 | case bfd_reloc_dangerous: | |
4492 | case bfd_reloc_outofrange: | |
4493 | case bfd_reloc_overflow: | |
4494 | default: | |
4495 | { | |
4496 | const char *name; | |
4497 | ||
4498 | if (h) | |
dfeffb9f | 4499 | name = NULL; |
800eeca4 JW |
4500 | else |
4501 | { | |
4502 | name = bfd_elf_string_from_elf_section (input_bfd, | |
4503 | symtab_hdr->sh_link, | |
4504 | sym->st_name); | |
4505 | if (name == NULL) | |
b34976b6 | 4506 | return FALSE; |
800eeca4 | 4507 | if (*name == '\0') |
dfeffb9f | 4508 | name = bfd_section_name (input_bfd, sym_sec); |
800eeca4 | 4509 | } |
dfeffb9f L |
4510 | if (!(*info->callbacks->reloc_overflow) (info, &h->root, |
4511 | name, howto->name, | |
dc810e39 | 4512 | (bfd_vma) 0, |
800eeca4 JW |
4513 | input_bfd, |
4514 | input_section, | |
4515 | rel->r_offset)) | |
b34976b6 AM |
4516 | return FALSE; |
4517 | ret_val = FALSE; | |
800eeca4 JW |
4518 | } |
4519 | break; | |
4520 | } | |
4521 | } | |
4522 | ||
4523 | return ret_val; | |
4524 | } | |
4525 | ||
b34976b6 | 4526 | static bfd_boolean |
bbe66d08 | 4527 | elfNN_ia64_finish_dynamic_symbol (output_bfd, info, h, sym) |
800eeca4 JW |
4528 | bfd *output_bfd; |
4529 | struct bfd_link_info *info; | |
4530 | struct elf_link_hash_entry *h; | |
4531 | Elf_Internal_Sym *sym; | |
4532 | { | |
bbe66d08 JW |
4533 | struct elfNN_ia64_link_hash_table *ia64_info; |
4534 | struct elfNN_ia64_dyn_sym_info *dyn_i; | |
800eeca4 | 4535 | |
bbe66d08 | 4536 | ia64_info = elfNN_ia64_hash_table (info); |
b34976b6 | 4537 | dyn_i = get_dyn_sym_info (ia64_info, h, NULL, NULL, FALSE); |
800eeca4 JW |
4538 | |
4539 | /* Fill in the PLT data, if required. */ | |
4540 | if (dyn_i && dyn_i->want_plt) | |
4541 | { | |
4542 | Elf_Internal_Rela outrel; | |
4543 | bfd_byte *loc; | |
4544 | asection *plt_sec; | |
4545 | bfd_vma plt_addr, pltoff_addr, gp_val, index; | |
800eeca4 JW |
4546 | |
4547 | gp_val = _bfd_get_gp_value (output_bfd); | |
4548 | ||
4549 | /* Initialize the minimal PLT entry. */ | |
4550 | ||
4551 | index = (dyn_i->plt_offset - PLT_HEADER_SIZE) / PLT_MIN_ENTRY_SIZE; | |
4552 | plt_sec = ia64_info->plt_sec; | |
4553 | loc = plt_sec->contents + dyn_i->plt_offset; | |
4554 | ||
4555 | memcpy (loc, plt_min_entry, PLT_MIN_ENTRY_SIZE); | |
bbb268c3 JW |
4556 | elfNN_ia64_install_value (loc, index, R_IA64_IMM22); |
4557 | elfNN_ia64_install_value (loc+2, -dyn_i->plt_offset, R_IA64_PCREL21B); | |
800eeca4 JW |
4558 | |
4559 | plt_addr = (plt_sec->output_section->vma | |
4560 | + plt_sec->output_offset | |
4561 | + dyn_i->plt_offset); | |
b34976b6 | 4562 | pltoff_addr = set_pltoff_entry (output_bfd, info, dyn_i, plt_addr, TRUE); |
800eeca4 JW |
4563 | |
4564 | /* Initialize the FULL PLT entry, if needed. */ | |
4565 | if (dyn_i->want_plt2) | |
4566 | { | |
4567 | loc = plt_sec->contents + dyn_i->plt2_offset; | |
4568 | ||
4569 | memcpy (loc, plt_full_entry, PLT_FULL_ENTRY_SIZE); | |
bbb268c3 | 4570 | elfNN_ia64_install_value (loc, pltoff_addr - gp_val, R_IA64_IMM22); |
800eeca4 JW |
4571 | |
4572 | /* Mark the symbol as undefined, rather than as defined in the | |
4573 | plt section. Leave the value alone. */ | |
4574 | /* ??? We didn't redefine it in adjust_dynamic_symbol in the | |
c152c796 | 4575 | first place. But perhaps elflink.c did some for us. */ |
f5385ebf | 4576 | if (!h->def_regular) |
800eeca4 JW |
4577 | sym->st_shndx = SHN_UNDEF; |
4578 | } | |
4579 | ||
4580 | /* Create the dynamic relocation. */ | |
4581 | outrel.r_offset = pltoff_addr; | |
4582 | if (bfd_little_endian (output_bfd)) | |
bbe66d08 | 4583 | outrel.r_info = ELFNN_R_INFO (h->dynindx, R_IA64_IPLTLSB); |
800eeca4 | 4584 | else |
bbe66d08 | 4585 | outrel.r_info = ELFNN_R_INFO (h->dynindx, R_IA64_IPLTMSB); |
800eeca4 JW |
4586 | outrel.r_addend = 0; |
4587 | ||
4588 | /* This is fun. In the .IA_64.pltoff section, we've got entries | |
4589 | that correspond both to real PLT entries, and those that | |
4590 | happened to resolve to local symbols but need to be created | |
4591 | to satisfy @pltoff relocations. The .rela.IA_64.pltoff | |
4592 | relocations for the real PLT should come at the end of the | |
4593 | section, so that they can be indexed by plt entry at runtime. | |
4594 | ||
4595 | We emitted all of the relocations for the non-PLT @pltoff | |
4596 | entries during relocate_section. So we can consider the | |
4597 | existing sec->reloc_count to be the base of the array of | |
4598 | PLT relocations. */ | |
4599 | ||
947216bf AM |
4600 | loc = ia64_info->rel_pltoff_sec->contents; |
4601 | loc += ((ia64_info->rel_pltoff_sec->reloc_count + index) | |
37cd2629 | 4602 | * sizeof (ElfNN_External_Rela)); |
947216bf | 4603 | bfd_elfNN_swap_reloca_out (output_bfd, &outrel, loc); |
800eeca4 JW |
4604 | } |
4605 | ||
4606 | /* Mark some specially defined symbols as absolute. */ | |
4607 | if (strcmp (h->root.root.string, "_DYNAMIC") == 0 | |
4608 | || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0 | |
4609 | || strcmp (h->root.root.string, "_PROCEDURE_LINKAGE_TABLE_") == 0) | |
4610 | sym->st_shndx = SHN_ABS; | |
4611 | ||
b34976b6 | 4612 | return TRUE; |
800eeca4 JW |
4613 | } |
4614 | ||
b34976b6 | 4615 | static bfd_boolean |
bbe66d08 | 4616 | elfNN_ia64_finish_dynamic_sections (abfd, info) |
800eeca4 JW |
4617 | bfd *abfd; |
4618 | struct bfd_link_info *info; | |
4619 | { | |
bbe66d08 | 4620 | struct elfNN_ia64_link_hash_table *ia64_info; |
800eeca4 JW |
4621 | bfd *dynobj; |
4622 | ||
bbe66d08 | 4623 | ia64_info = elfNN_ia64_hash_table (info); |
800eeca4 JW |
4624 | dynobj = ia64_info->root.dynobj; |
4625 | ||
4626 | if (elf_hash_table (info)->dynamic_sections_created) | |
4627 | { | |
bbe66d08 | 4628 | ElfNN_External_Dyn *dyncon, *dynconend; |
800eeca4 JW |
4629 | asection *sdyn, *sgotplt; |
4630 | bfd_vma gp_val; | |
4631 | ||
4632 | sdyn = bfd_get_section_by_name (dynobj, ".dynamic"); | |
4633 | sgotplt = bfd_get_section_by_name (dynobj, ".got.plt"); | |
4634 | BFD_ASSERT (sdyn != NULL); | |
bbe66d08 | 4635 | dyncon = (ElfNN_External_Dyn *) sdyn->contents; |
eea6121a | 4636 | dynconend = (ElfNN_External_Dyn *) (sdyn->contents + sdyn->size); |
800eeca4 JW |
4637 | |
4638 | gp_val = _bfd_get_gp_value (abfd); | |
4639 | ||
4640 | for (; dyncon < dynconend; dyncon++) | |
4641 | { | |
4642 | Elf_Internal_Dyn dyn; | |
800eeca4 | 4643 | |
bbe66d08 | 4644 | bfd_elfNN_swap_dyn_in (dynobj, dyncon, &dyn); |
800eeca4 JW |
4645 | |
4646 | switch (dyn.d_tag) | |
4647 | { | |
4648 | case DT_PLTGOT: | |
4649 | dyn.d_un.d_ptr = gp_val; | |
4650 | break; | |
4651 | ||
4652 | case DT_PLTRELSZ: | |
4653 | dyn.d_un.d_val = (ia64_info->minplt_entries | |
bbe66d08 | 4654 | * sizeof (ElfNN_External_Rela)); |
800eeca4 JW |
4655 | break; |
4656 | ||
4657 | case DT_JMPREL: | |
4658 | /* See the comment above in finish_dynamic_symbol. */ | |
4659 | dyn.d_un.d_ptr = (ia64_info->rel_pltoff_sec->output_section->vma | |
4660 | + ia64_info->rel_pltoff_sec->output_offset | |
4661 | + (ia64_info->rel_pltoff_sec->reloc_count | |
bbe66d08 | 4662 | * sizeof (ElfNN_External_Rela))); |
800eeca4 JW |
4663 | break; |
4664 | ||
4665 | case DT_IA_64_PLT_RESERVE: | |
4666 | dyn.d_un.d_ptr = (sgotplt->output_section->vma | |
4667 | + sgotplt->output_offset); | |
4668 | break; | |
4669 | ||
4670 | case DT_RELASZ: | |
4671 | /* Do not have RELASZ include JMPREL. This makes things | |
3e932841 | 4672 | easier on ld.so. This is not what the rest of BFD set up. */ |
800eeca4 | 4673 | dyn.d_un.d_val -= (ia64_info->minplt_entries |
bbe66d08 | 4674 | * sizeof (ElfNN_External_Rela)); |
800eeca4 | 4675 | break; |
800eeca4 JW |
4676 | } |
4677 | ||
bbe66d08 | 4678 | bfd_elfNN_swap_dyn_out (abfd, &dyn, dyncon); |
800eeca4 JW |
4679 | } |
4680 | ||
ae9a127f | 4681 | /* Initialize the PLT0 entry. */ |
800eeca4 JW |
4682 | if (ia64_info->plt_sec) |
4683 | { | |
4684 | bfd_byte *loc = ia64_info->plt_sec->contents; | |
4685 | bfd_vma pltres; | |
4686 | ||
4687 | memcpy (loc, plt_header, PLT_HEADER_SIZE); | |
4688 | ||
4689 | pltres = (sgotplt->output_section->vma | |
4690 | + sgotplt->output_offset | |
4691 | - gp_val); | |
4692 | ||
bbb268c3 | 4693 | elfNN_ia64_install_value (loc+1, pltres, R_IA64_GPREL22); |
800eeca4 JW |
4694 | } |
4695 | } | |
4696 | ||
b34976b6 | 4697 | return TRUE; |
800eeca4 JW |
4698 | } |
4699 | \f | |
ae9a127f | 4700 | /* ELF file flag handling: */ |
800eeca4 | 4701 | |
3e932841 | 4702 | /* Function to keep IA-64 specific file flags. */ |
b34976b6 | 4703 | static bfd_boolean |
bbe66d08 | 4704 | elfNN_ia64_set_private_flags (abfd, flags) |
800eeca4 JW |
4705 | bfd *abfd; |
4706 | flagword flags; | |
4707 | { | |
4708 | BFD_ASSERT (!elf_flags_init (abfd) | |
4709 | || elf_elfheader (abfd)->e_flags == flags); | |
4710 | ||
4711 | elf_elfheader (abfd)->e_flags = flags; | |
b34976b6 AM |
4712 | elf_flags_init (abfd) = TRUE; |
4713 | return TRUE; | |
800eeca4 JW |
4714 | } |
4715 | ||
800eeca4 JW |
4716 | /* Merge backend specific data from an object file to the output |
4717 | object file when linking. */ | |
b34976b6 | 4718 | static bfd_boolean |
bbe66d08 | 4719 | elfNN_ia64_merge_private_bfd_data (ibfd, obfd) |
800eeca4 JW |
4720 | bfd *ibfd, *obfd; |
4721 | { | |
4722 | flagword out_flags; | |
4723 | flagword in_flags; | |
b34976b6 | 4724 | bfd_boolean ok = TRUE; |
800eeca4 JW |
4725 | |
4726 | /* Don't even pretend to support mixed-format linking. */ | |
4727 | if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour | |
4728 | || bfd_get_flavour (obfd) != bfd_target_elf_flavour) | |
b34976b6 | 4729 | return FALSE; |
800eeca4 JW |
4730 | |
4731 | in_flags = elf_elfheader (ibfd)->e_flags; | |
4732 | out_flags = elf_elfheader (obfd)->e_flags; | |
4733 | ||
4734 | if (! elf_flags_init (obfd)) | |
4735 | { | |
b34976b6 | 4736 | elf_flags_init (obfd) = TRUE; |
800eeca4 JW |
4737 | elf_elfheader (obfd)->e_flags = in_flags; |
4738 | ||
4739 | if (bfd_get_arch (obfd) == bfd_get_arch (ibfd) | |
4740 | && bfd_get_arch_info (obfd)->the_default) | |
4741 | { | |
4742 | return bfd_set_arch_mach (obfd, bfd_get_arch (ibfd), | |
4743 | bfd_get_mach (ibfd)); | |
4744 | } | |
4745 | ||
b34976b6 | 4746 | return TRUE; |
800eeca4 JW |
4747 | } |
4748 | ||
4749 | /* Check flag compatibility. */ | |
4750 | if (in_flags == out_flags) | |
b34976b6 | 4751 | return TRUE; |
800eeca4 | 4752 | |
c43c2cc5 JW |
4753 | /* Output has EF_IA_64_REDUCEDFP set only if all inputs have it set. */ |
4754 | if (!(in_flags & EF_IA_64_REDUCEDFP) && (out_flags & EF_IA_64_REDUCEDFP)) | |
4755 | elf_elfheader (obfd)->e_flags &= ~EF_IA_64_REDUCEDFP; | |
4756 | ||
800eeca4 JW |
4757 | if ((in_flags & EF_IA_64_TRAPNIL) != (out_flags & EF_IA_64_TRAPNIL)) |
4758 | { | |
4759 | (*_bfd_error_handler) | |
d003868e AM |
4760 | (_("%B: linking trap-on-NULL-dereference with non-trapping files"), |
4761 | ibfd); | |
800eeca4 JW |
4762 | |
4763 | bfd_set_error (bfd_error_bad_value); | |
b34976b6 | 4764 | ok = FALSE; |
800eeca4 JW |
4765 | } |
4766 | if ((in_flags & EF_IA_64_BE) != (out_flags & EF_IA_64_BE)) | |
4767 | { | |
4768 | (*_bfd_error_handler) | |
d003868e AM |
4769 | (_("%B: linking big-endian files with little-endian files"), |
4770 | ibfd); | |
800eeca4 JW |
4771 | |
4772 | bfd_set_error (bfd_error_bad_value); | |
b34976b6 | 4773 | ok = FALSE; |
800eeca4 JW |
4774 | } |
4775 | if ((in_flags & EF_IA_64_ABI64) != (out_flags & EF_IA_64_ABI64)) | |
4776 | { | |
4777 | (*_bfd_error_handler) | |
d003868e AM |
4778 | (_("%B: linking 64-bit files with 32-bit files"), |
4779 | ibfd); | |
800eeca4 JW |
4780 | |
4781 | bfd_set_error (bfd_error_bad_value); | |
b34976b6 | 4782 | ok = FALSE; |
800eeca4 | 4783 | } |
c43c2cc5 JW |
4784 | if ((in_flags & EF_IA_64_CONS_GP) != (out_flags & EF_IA_64_CONS_GP)) |
4785 | { | |
4786 | (*_bfd_error_handler) | |
d003868e AM |
4787 | (_("%B: linking constant-gp files with non-constant-gp files"), |
4788 | ibfd); | |
c43c2cc5 JW |
4789 | |
4790 | bfd_set_error (bfd_error_bad_value); | |
b34976b6 | 4791 | ok = FALSE; |
c43c2cc5 JW |
4792 | } |
4793 | if ((in_flags & EF_IA_64_NOFUNCDESC_CONS_GP) | |
4794 | != (out_flags & EF_IA_64_NOFUNCDESC_CONS_GP)) | |
4795 | { | |
4796 | (*_bfd_error_handler) | |
d003868e AM |
4797 | (_("%B: linking auto-pic files with non-auto-pic files"), |
4798 | ibfd); | |
c43c2cc5 JW |
4799 | |
4800 | bfd_set_error (bfd_error_bad_value); | |
b34976b6 | 4801 | ok = FALSE; |
c43c2cc5 | 4802 | } |
800eeca4 JW |
4803 | |
4804 | return ok; | |
4805 | } | |
4806 | ||
b34976b6 | 4807 | static bfd_boolean |
bbe66d08 | 4808 | elfNN_ia64_print_private_bfd_data (abfd, ptr) |
800eeca4 JW |
4809 | bfd *abfd; |
4810 | PTR ptr; | |
4811 | { | |
4812 | FILE *file = (FILE *) ptr; | |
4813 | flagword flags = elf_elfheader (abfd)->e_flags; | |
4814 | ||
4815 | BFD_ASSERT (abfd != NULL && ptr != NULL); | |
4816 | ||
c43c2cc5 | 4817 | fprintf (file, "private flags = %s%s%s%s%s%s%s%s\n", |
800eeca4 JW |
4818 | (flags & EF_IA_64_TRAPNIL) ? "TRAPNIL, " : "", |
4819 | (flags & EF_IA_64_EXT) ? "EXT, " : "", | |
4820 | (flags & EF_IA_64_BE) ? "BE, " : "LE, ", | |
c43c2cc5 JW |
4821 | (flags & EF_IA_64_REDUCEDFP) ? "REDUCEDFP, " : "", |
4822 | (flags & EF_IA_64_CONS_GP) ? "CONS_GP, " : "", | |
4823 | (flags & EF_IA_64_NOFUNCDESC_CONS_GP) ? "NOFUNCDESC_CONS_GP, " : "", | |
4824 | (flags & EF_IA_64_ABSOLUTE) ? "ABSOLUTE, " : "", | |
800eeca4 | 4825 | (flags & EF_IA_64_ABI64) ? "ABI64" : "ABI32"); |
3e932841 | 4826 | |
800eeca4 | 4827 | _bfd_elf_print_private_bfd_data (abfd, ptr); |
b34976b6 | 4828 | return TRUE; |
800eeca4 | 4829 | } |
db6751f2 JJ |
4830 | |
4831 | static enum elf_reloc_type_class | |
f51e552e AM |
4832 | elfNN_ia64_reloc_type_class (rela) |
4833 | const Elf_Internal_Rela *rela; | |
db6751f2 | 4834 | { |
f51e552e | 4835 | switch ((int) ELFNN_R_TYPE (rela->r_info)) |
db6751f2 JJ |
4836 | { |
4837 | case R_IA64_REL32MSB: | |
4838 | case R_IA64_REL32LSB: | |
4839 | case R_IA64_REL64MSB: | |
4840 | case R_IA64_REL64LSB: | |
4841 | return reloc_class_relative; | |
4842 | case R_IA64_IPLTMSB: | |
4843 | case R_IA64_IPLTLSB: | |
4844 | return reloc_class_plt; | |
4845 | case R_IA64_COPY: | |
4846 | return reloc_class_copy; | |
4847 | default: | |
4848 | return reloc_class_normal; | |
4849 | } | |
4850 | } | |
fcf12726 | 4851 | |
2f89ff8d L |
4852 | static struct bfd_elf_special_section const elfNN_ia64_special_sections[]= |
4853 | { | |
7dcb9820 AM |
4854 | { ".sbss", 5, -1, SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_IA_64_SHORT }, |
4855 | { ".sdata", 6, -1, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_IA_64_SHORT }, | |
4856 | { NULL, 0, 0, 0, 0 } | |
2f89ff8d L |
4857 | }; |
4858 | ||
b34976b6 | 4859 | static bfd_boolean |
d9cf1b54 AM |
4860 | elfNN_ia64_hpux_vec (const bfd_target *vec) |
4861 | { | |
4862 | extern const bfd_target bfd_elfNN_ia64_hpux_big_vec; | |
4863 | return (vec == & bfd_elfNN_ia64_hpux_big_vec); | |
4864 | } | |
4865 | ||
fcf12726 AM |
4866 | static void |
4867 | elfNN_hpux_post_process_headers (abfd, info) | |
4868 | bfd *abfd; | |
4869 | struct bfd_link_info *info ATTRIBUTE_UNUSED; | |
4870 | { | |
4871 | Elf_Internal_Ehdr *i_ehdrp = elf_elfheader (abfd); | |
4872 | ||
4873 | i_ehdrp->e_ident[EI_OSABI] = ELFOSABI_HPUX; | |
4874 | i_ehdrp->e_ident[EI_ABIVERSION] = 1; | |
4875 | } | |
d9cf1b54 | 4876 | |
b34976b6 | 4877 | bfd_boolean |
af746e92 | 4878 | elfNN_hpux_backend_section_from_bfd_section (abfd, sec, retval) |
d9cf1b54 | 4879 | bfd *abfd ATTRIBUTE_UNUSED; |
d9cf1b54 AM |
4880 | asection *sec; |
4881 | int *retval; | |
4882 | { | |
4883 | if (bfd_is_com_section (sec)) | |
4884 | { | |
4885 | *retval = SHN_IA_64_ANSI_COMMON; | |
b34976b6 | 4886 | return TRUE; |
d9cf1b54 | 4887 | } |
b34976b6 | 4888 | return FALSE; |
d9cf1b54 | 4889 | } |
b59dd4a5 L |
4890 | |
4891 | static void | |
4892 | elfNN_hpux_backend_symbol_processing (bfd *abfd ATTRIBUTE_UNUSED, | |
4893 | asymbol *asym) | |
4894 | { | |
4895 | elf_symbol_type *elfsym = (elf_symbol_type *) asym;; | |
4896 | ||
4897 | switch (elfsym->internal_elf_sym.st_shndx) | |
4898 | { | |
4899 | case SHN_IA_64_ANSI_COMMON: | |
4900 | asym->section = bfd_com_section_ptr; | |
4901 | asym->value = elfsym->internal_elf_sym.st_size; | |
4902 | asym->flags &= ~BSF_GLOBAL; | |
4903 | break; | |
4904 | } | |
4905 | } | |
4906 | ||
800eeca4 | 4907 | \f |
bbe66d08 JW |
4908 | #define TARGET_LITTLE_SYM bfd_elfNN_ia64_little_vec |
4909 | #define TARGET_LITTLE_NAME "elfNN-ia64-little" | |
4910 | #define TARGET_BIG_SYM bfd_elfNN_ia64_big_vec | |
4911 | #define TARGET_BIG_NAME "elfNN-ia64-big" | |
800eeca4 JW |
4912 | #define ELF_ARCH bfd_arch_ia64 |
4913 | #define ELF_MACHINE_CODE EM_IA_64 | |
4914 | #define ELF_MACHINE_ALT1 1999 /* EAS2.3 */ | |
4915 | #define ELF_MACHINE_ALT2 1998 /* EAS2.2 */ | |
4916 | #define ELF_MAXPAGESIZE 0x10000 /* 64KB */ | |
4917 | ||
4918 | #define elf_backend_section_from_shdr \ | |
bbe66d08 | 4919 | elfNN_ia64_section_from_shdr |
fa152c49 | 4920 | #define elf_backend_section_flags \ |
bbe66d08 | 4921 | elfNN_ia64_section_flags |
800eeca4 | 4922 | #define elf_backend_fake_sections \ |
bbe66d08 | 4923 | elfNN_ia64_fake_sections |
81545d45 RH |
4924 | #define elf_backend_final_write_processing \ |
4925 | elfNN_ia64_final_write_processing | |
800eeca4 | 4926 | #define elf_backend_add_symbol_hook \ |
bbe66d08 | 4927 | elfNN_ia64_add_symbol_hook |
800eeca4 | 4928 | #define elf_backend_additional_program_headers \ |
bbe66d08 | 4929 | elfNN_ia64_additional_program_headers |
800eeca4 | 4930 | #define elf_backend_modify_segment_map \ |
bbe66d08 | 4931 | elfNN_ia64_modify_segment_map |
800eeca4 | 4932 | #define elf_info_to_howto \ |
bbe66d08 | 4933 | elfNN_ia64_info_to_howto |
800eeca4 | 4934 | |
bbe66d08 JW |
4935 | #define bfd_elfNN_bfd_reloc_type_lookup \ |
4936 | elfNN_ia64_reloc_type_lookup | |
4937 | #define bfd_elfNN_bfd_is_local_label_name \ | |
4938 | elfNN_ia64_is_local_label_name | |
4939 | #define bfd_elfNN_bfd_relax_section \ | |
4940 | elfNN_ia64_relax_section | |
800eeca4 JW |
4941 | |
4942 | /* Stuff for the BFD linker: */ | |
bbe66d08 JW |
4943 | #define bfd_elfNN_bfd_link_hash_table_create \ |
4944 | elfNN_ia64_hash_table_create | |
0aa92b58 JJ |
4945 | #define bfd_elfNN_bfd_link_hash_table_free \ |
4946 | elfNN_ia64_hash_table_free | |
800eeca4 | 4947 | #define elf_backend_create_dynamic_sections \ |
bbe66d08 | 4948 | elfNN_ia64_create_dynamic_sections |
800eeca4 | 4949 | #define elf_backend_check_relocs \ |
bbe66d08 | 4950 | elfNN_ia64_check_relocs |
800eeca4 | 4951 | #define elf_backend_adjust_dynamic_symbol \ |
bbe66d08 | 4952 | elfNN_ia64_adjust_dynamic_symbol |
800eeca4 | 4953 | #define elf_backend_size_dynamic_sections \ |
bbe66d08 | 4954 | elfNN_ia64_size_dynamic_sections |
800eeca4 | 4955 | #define elf_backend_relocate_section \ |
bbe66d08 | 4956 | elfNN_ia64_relocate_section |
800eeca4 | 4957 | #define elf_backend_finish_dynamic_symbol \ |
bbe66d08 | 4958 | elfNN_ia64_finish_dynamic_symbol |
800eeca4 | 4959 | #define elf_backend_finish_dynamic_sections \ |
bbe66d08 JW |
4960 | elfNN_ia64_finish_dynamic_sections |
4961 | #define bfd_elfNN_bfd_final_link \ | |
4962 | elfNN_ia64_final_link | |
4963 | ||
bbe66d08 JW |
4964 | #define bfd_elfNN_bfd_merge_private_bfd_data \ |
4965 | elfNN_ia64_merge_private_bfd_data | |
4966 | #define bfd_elfNN_bfd_set_private_flags \ | |
4967 | elfNN_ia64_set_private_flags | |
4968 | #define bfd_elfNN_bfd_print_private_bfd_data \ | |
4969 | elfNN_ia64_print_private_bfd_data | |
800eeca4 JW |
4970 | |
4971 | #define elf_backend_plt_readonly 1 | |
4972 | #define elf_backend_want_plt_sym 0 | |
4973 | #define elf_backend_plt_alignment 5 | |
4974 | #define elf_backend_got_header_size 0 | |
800eeca4 JW |
4975 | #define elf_backend_want_got_plt 1 |
4976 | #define elf_backend_may_use_rel_p 1 | |
4977 | #define elf_backend_may_use_rela_p 1 | |
4978 | #define elf_backend_default_use_rela_p 1 | |
4979 | #define elf_backend_want_dynbss 0 | |
bbe66d08 JW |
4980 | #define elf_backend_copy_indirect_symbol elfNN_ia64_hash_copy_indirect |
4981 | #define elf_backend_hide_symbol elfNN_ia64_hash_hide_symbol | |
db6751f2 | 4982 | #define elf_backend_reloc_type_class elfNN_ia64_reloc_type_class |
b491616a | 4983 | #define elf_backend_rela_normal 1 |
2f89ff8d | 4984 | #define elf_backend_special_sections elfNN_ia64_special_sections |
800eeca4 | 4985 | |
185d09ad L |
4986 | /* FIXME: PR 290: The Intel C compiler generates SHT_IA_64_UNWIND with |
4987 | SHF_LINK_ORDER. But it doesn't set theh sh_link or sh_info fields. | |
4988 | We don't want to flood users with so many error messages. We turn | |
4989 | off the warning for now. It will be turned on later when the Intel | |
4990 | compiler is fixed. */ | |
4991 | #define elf_backend_link_order_error_handler NULL | |
4992 | ||
bbe66d08 | 4993 | #include "elfNN-target.h" |
7b6dab7f | 4994 | |
fcf12726 AM |
4995 | /* HPUX-specific vectors. */ |
4996 | ||
4997 | #undef TARGET_LITTLE_SYM | |
4998 | #undef TARGET_LITTLE_NAME | |
4999 | #undef TARGET_BIG_SYM | |
5000 | #define TARGET_BIG_SYM bfd_elfNN_ia64_hpux_big_vec | |
5001 | #undef TARGET_BIG_NAME | |
5002 | #define TARGET_BIG_NAME "elfNN-ia64-hpux-big" | |
5003 | ||
254ed743 NC |
5004 | /* These are HP-UX specific functions. */ |
5005 | ||
fcf12726 AM |
5006 | #undef elf_backend_post_process_headers |
5007 | #define elf_backend_post_process_headers elfNN_hpux_post_process_headers | |
5008 | ||
d9cf1b54 AM |
5009 | #undef elf_backend_section_from_bfd_section |
5010 | #define elf_backend_section_from_bfd_section elfNN_hpux_backend_section_from_bfd_section | |
5011 | ||
b59dd4a5 L |
5012 | #undef elf_backend_symbol_processing |
5013 | #define elf_backend_symbol_processing elfNN_hpux_backend_symbol_processing | |
5014 | ||
5e8d7549 NC |
5015 | #undef elf_backend_want_p_paddr_set_to_zero |
5016 | #define elf_backend_want_p_paddr_set_to_zero 1 | |
5017 | ||
fcf12726 AM |
5018 | #undef ELF_MAXPAGESIZE |
5019 | #define ELF_MAXPAGESIZE 0x1000 /* 1K */ | |
5020 | ||
5021 | #undef elfNN_bed | |
5022 | #define elfNN_bed elfNN_ia64_hpux_bed | |
5023 | ||
5024 | #include "elfNN-target.h" | |
5e8d7549 NC |
5025 | |
5026 | #undef elf_backend_want_p_paddr_set_to_zero |