Commit | Line | Data |
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b352eebf | 1 | /* Support for HPPA 64-bit ELF |
157090f7 | 2 | Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 |
5a580b3a | 3 | Free Software Foundation, Inc. |
15bda425 | 4 | |
ae9a127f | 5 | This file is part of BFD, the Binary File Descriptor library. |
15bda425 | 6 | |
ae9a127f NC |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
cd123cb7 | 9 | the Free Software Foundation; either version 3 of the License, or |
ae9a127f | 10 | (at your option) any later version. |
15bda425 | 11 | |
ae9a127f NC |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
15bda425 | 16 | |
ae9a127f NC |
17 | You should have received a copy of the GNU General Public License |
18 | along with this program; if not, write to the Free Software | |
cd123cb7 NC |
19 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
20 | MA 02110-1301, USA. */ | |
15bda425 | 21 | |
15bda425 | 22 | #include "sysdep.h" |
3db64b00 | 23 | #include "bfd.h" |
15bda425 JL |
24 | #include "libbfd.h" |
25 | #include "elf-bfd.h" | |
26 | #include "elf/hppa.h" | |
27 | #include "libhppa.h" | |
28 | #include "elf64-hppa.h" | |
8bc9c892 NC |
29 | |
30 | /* This is the code recommended in the autoconf documentation, almost | |
31 | verbatim. */ | |
32 | #ifndef __GNUC__ | |
33 | # if HAVE_ALLOCA_H | |
34 | # include <alloca.h> | |
35 | # else | |
36 | # ifdef _AIX | |
37 | /* Indented so that pre-ansi C compilers will ignore it, rather than | |
38 | choke on it. Some versions of AIX require this to be the first | |
39 | thing in the file. */ | |
40 | #pragma alloca | |
41 | # else | |
42 | # ifndef alloca /* predefined by HP cc +Olibcalls */ | |
43 | # if !defined (__STDC__) && !defined (__hpux) | |
44 | extern char *alloca (); | |
45 | # else | |
46 | extern void *alloca (); | |
47 | # endif /* __STDC__, __hpux */ | |
48 | # endif /* alloca */ | |
49 | # endif /* _AIX */ | |
50 | # endif /* HAVE_ALLOCA_H */ | |
51 | #endif /* __GNUC__ */ | |
52 | ||
53 | ||
15bda425 JL |
54 | #define ARCH_SIZE 64 |
55 | ||
56 | #define PLT_ENTRY_SIZE 0x10 | |
57 | #define DLT_ENTRY_SIZE 0x8 | |
58 | #define OPD_ENTRY_SIZE 0x20 | |
fe8bc63d | 59 | |
15bda425 JL |
60 | #define ELF_DYNAMIC_INTERPRETER "/usr/lib/pa20_64/dld.sl" |
61 | ||
62 | /* The stub is supposed to load the target address and target's DP | |
63 | value out of the PLT, then do an external branch to the target | |
64 | address. | |
65 | ||
66 | LDD PLTOFF(%r27),%r1 | |
67 | BVE (%r1) | |
68 | LDD PLTOFF+8(%r27),%r27 | |
69 | ||
70 | Note that we must use the LDD with a 14 bit displacement, not the one | |
71 | with a 5 bit displacement. */ | |
72 | static char plt_stub[] = {0x53, 0x61, 0x00, 0x00, 0xe8, 0x20, 0xd0, 0x00, | |
73 | 0x53, 0x7b, 0x00, 0x00 }; | |
74 | ||
75 | struct elf64_hppa_dyn_hash_entry | |
76 | { | |
77 | struct bfd_hash_entry root; | |
78 | ||
79 | /* Offsets for this symbol in various linker sections. */ | |
80 | bfd_vma dlt_offset; | |
81 | bfd_vma plt_offset; | |
82 | bfd_vma opd_offset; | |
83 | bfd_vma stub_offset; | |
84 | ||
edd21aca | 85 | /* The symbol table entry, if any, that this was derived from. */ |
15bda425 JL |
86 | struct elf_link_hash_entry *h; |
87 | ||
88 | /* The index of the (possibly local) symbol in the input bfd and its | |
89 | associated BFD. Needed so that we can have relocs against local | |
90 | symbols in shared libraries. */ | |
dc810e39 | 91 | long sym_indx; |
15bda425 JL |
92 | bfd *owner; |
93 | ||
94 | /* Dynamic symbols may need to have two different values. One for | |
95 | the dynamic symbol table, one for the normal symbol table. | |
96 | ||
97 | In such cases we store the symbol's real value and section | |
98 | index here so we can restore the real value before we write | |
99 | the normal symbol table. */ | |
100 | bfd_vma st_value; | |
101 | int st_shndx; | |
102 | ||
103 | /* Used to count non-got, non-plt relocations for delayed sizing | |
104 | of relocation sections. */ | |
105 | struct elf64_hppa_dyn_reloc_entry | |
106 | { | |
107 | /* Next relocation in the chain. */ | |
108 | struct elf64_hppa_dyn_reloc_entry *next; | |
109 | ||
110 | /* The type of the relocation. */ | |
111 | int type; | |
112 | ||
113 | /* The input section of the relocation. */ | |
114 | asection *sec; | |
115 | ||
116 | /* The index of the section symbol for the input section of | |
117 | the relocation. Only needed when building shared libraries. */ | |
118 | int sec_symndx; | |
119 | ||
120 | /* The offset within the input section of the relocation. */ | |
121 | bfd_vma offset; | |
122 | ||
123 | /* The addend for the relocation. */ | |
124 | bfd_vma addend; | |
125 | ||
126 | } *reloc_entries; | |
127 | ||
128 | /* Nonzero if this symbol needs an entry in one of the linker | |
129 | sections. */ | |
130 | unsigned want_dlt; | |
131 | unsigned want_plt; | |
132 | unsigned want_opd; | |
133 | unsigned want_stub; | |
134 | }; | |
135 | ||
136 | struct elf64_hppa_dyn_hash_table | |
137 | { | |
138 | struct bfd_hash_table root; | |
139 | }; | |
140 | ||
141 | struct elf64_hppa_link_hash_table | |
142 | { | |
143 | struct elf_link_hash_table root; | |
144 | ||
145 | /* Shortcuts to get to the various linker defined sections. */ | |
146 | asection *dlt_sec; | |
147 | asection *dlt_rel_sec; | |
148 | asection *plt_sec; | |
149 | asection *plt_rel_sec; | |
150 | asection *opd_sec; | |
151 | asection *opd_rel_sec; | |
152 | asection *other_rel_sec; | |
153 | ||
154 | /* Offset of __gp within .plt section. When the PLT gets large we want | |
155 | to slide __gp into the PLT section so that we can continue to use | |
156 | single DP relative instructions to load values out of the PLT. */ | |
157 | bfd_vma gp_offset; | |
158 | ||
159 | /* Note this is not strictly correct. We should create a stub section for | |
160 | each input section with calls. The stub section should be placed before | |
161 | the section with the call. */ | |
162 | asection *stub_sec; | |
163 | ||
164 | bfd_vma text_segment_base; | |
165 | bfd_vma data_segment_base; | |
166 | ||
167 | struct elf64_hppa_dyn_hash_table dyn_hash_table; | |
168 | ||
169 | /* We build tables to map from an input section back to its | |
170 | symbol index. This is the BFD for which we currently have | |
171 | a map. */ | |
172 | bfd *section_syms_bfd; | |
173 | ||
174 | /* Array of symbol numbers for each input section attached to the | |
175 | current BFD. */ | |
176 | int *section_syms; | |
177 | }; | |
178 | ||
179 | #define elf64_hppa_hash_table(p) \ | |
180 | ((struct elf64_hppa_link_hash_table *) ((p)->hash)) | |
181 | ||
182 | typedef struct bfd_hash_entry *(*new_hash_entry_func) | |
183 | PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *)); | |
184 | ||
15bda425 JL |
185 | static struct bfd_hash_entry *elf64_hppa_new_dyn_hash_entry |
186 | PARAMS ((struct bfd_hash_entry *entry, struct bfd_hash_table *table, | |
187 | const char *string)); | |
188 | static struct bfd_link_hash_table *elf64_hppa_hash_table_create | |
189 | PARAMS ((bfd *abfd)); | |
190 | static struct elf64_hppa_dyn_hash_entry *elf64_hppa_dyn_hash_lookup | |
191 | PARAMS ((struct elf64_hppa_dyn_hash_table *table, const char *string, | |
b34976b6 | 192 | bfd_boolean create, bfd_boolean copy)); |
15bda425 JL |
193 | static void elf64_hppa_dyn_hash_traverse |
194 | PARAMS ((struct elf64_hppa_dyn_hash_table *table, | |
b34976b6 | 195 | bfd_boolean (*func) (struct elf64_hppa_dyn_hash_entry *, PTR), |
15bda425 JL |
196 | PTR info)); |
197 | ||
198 | static const char *get_dyn_name | |
d63b5ed9 | 199 | PARAMS ((bfd *, struct elf_link_hash_entry *, |
0ba2a60e | 200 | const Elf_Internal_Rela *, char **, size_t *)); |
15bda425 | 201 | |
15bda425 JL |
202 | /* This must follow the definitions of the various derived linker |
203 | hash tables and shared functions. */ | |
204 | #include "elf-hppa.h" | |
205 | ||
b34976b6 | 206 | static bfd_boolean elf64_hppa_object_p |
15bda425 JL |
207 | PARAMS ((bfd *)); |
208 | ||
15bda425 JL |
209 | static void elf64_hppa_post_process_headers |
210 | PARAMS ((bfd *, struct bfd_link_info *)); | |
211 | ||
b34976b6 | 212 | static bfd_boolean elf64_hppa_create_dynamic_sections |
15bda425 JL |
213 | PARAMS ((bfd *, struct bfd_link_info *)); |
214 | ||
b34976b6 | 215 | static bfd_boolean elf64_hppa_adjust_dynamic_symbol |
15bda425 JL |
216 | PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *)); |
217 | ||
b34976b6 | 218 | static bfd_boolean elf64_hppa_mark_milli_and_exported_functions |
47b7c2db AM |
219 | PARAMS ((struct elf_link_hash_entry *, PTR)); |
220 | ||
b34976b6 | 221 | static bfd_boolean elf64_hppa_size_dynamic_sections |
15bda425 JL |
222 | PARAMS ((bfd *, struct bfd_link_info *)); |
223 | ||
b34976b6 | 224 | static bfd_boolean elf64_hppa_link_output_symbol_hook |
754021d0 AM |
225 | PARAMS ((struct bfd_link_info *, const char *, Elf_Internal_Sym *, |
226 | asection *, struct elf_link_hash_entry *)); | |
99c79b2e | 227 | |
b34976b6 | 228 | static bfd_boolean elf64_hppa_finish_dynamic_symbol |
15bda425 JL |
229 | PARAMS ((bfd *, struct bfd_link_info *, |
230 | struct elf_link_hash_entry *, Elf_Internal_Sym *)); | |
fe8bc63d | 231 | |
5ac81c74 JL |
232 | static enum elf_reloc_type_class elf64_hppa_reloc_type_class |
233 | PARAMS ((const Elf_Internal_Rela *)); | |
234 | ||
b34976b6 | 235 | static bfd_boolean elf64_hppa_finish_dynamic_sections |
15bda425 JL |
236 | PARAMS ((bfd *, struct bfd_link_info *)); |
237 | ||
b34976b6 | 238 | static bfd_boolean elf64_hppa_check_relocs |
15bda425 JL |
239 | PARAMS ((bfd *, struct bfd_link_info *, |
240 | asection *, const Elf_Internal_Rela *)); | |
241 | ||
b34976b6 | 242 | static bfd_boolean elf64_hppa_dynamic_symbol_p |
15bda425 JL |
243 | PARAMS ((struct elf_link_hash_entry *, struct bfd_link_info *)); |
244 | ||
b34976b6 | 245 | static bfd_boolean elf64_hppa_mark_exported_functions |
15bda425 JL |
246 | PARAMS ((struct elf_link_hash_entry *, PTR)); |
247 | ||
b34976b6 | 248 | static bfd_boolean elf64_hppa_finalize_opd |
15bda425 JL |
249 | PARAMS ((struct elf64_hppa_dyn_hash_entry *, PTR)); |
250 | ||
b34976b6 | 251 | static bfd_boolean elf64_hppa_finalize_dlt |
15bda425 JL |
252 | PARAMS ((struct elf64_hppa_dyn_hash_entry *, PTR)); |
253 | ||
b34976b6 | 254 | static bfd_boolean allocate_global_data_dlt |
15bda425 JL |
255 | PARAMS ((struct elf64_hppa_dyn_hash_entry *, PTR)); |
256 | ||
b34976b6 | 257 | static bfd_boolean allocate_global_data_plt |
15bda425 JL |
258 | PARAMS ((struct elf64_hppa_dyn_hash_entry *, PTR)); |
259 | ||
b34976b6 | 260 | static bfd_boolean allocate_global_data_stub |
15bda425 JL |
261 | PARAMS ((struct elf64_hppa_dyn_hash_entry *, PTR)); |
262 | ||
b34976b6 | 263 | static bfd_boolean allocate_global_data_opd |
15bda425 JL |
264 | PARAMS ((struct elf64_hppa_dyn_hash_entry *, PTR)); |
265 | ||
b34976b6 | 266 | static bfd_boolean get_reloc_section |
15bda425 JL |
267 | PARAMS ((bfd *, struct elf64_hppa_link_hash_table *, asection *)); |
268 | ||
b34976b6 | 269 | static bfd_boolean count_dyn_reloc |
15bda425 JL |
270 | PARAMS ((bfd *, struct elf64_hppa_dyn_hash_entry *, |
271 | int, asection *, int, bfd_vma, bfd_vma)); | |
272 | ||
b34976b6 | 273 | static bfd_boolean allocate_dynrel_entries |
15bda425 JL |
274 | PARAMS ((struct elf64_hppa_dyn_hash_entry *, PTR)); |
275 | ||
b34976b6 | 276 | static bfd_boolean elf64_hppa_finalize_dynreloc |
15bda425 JL |
277 | PARAMS ((struct elf64_hppa_dyn_hash_entry *, PTR)); |
278 | ||
b34976b6 | 279 | static bfd_boolean get_opd |
15bda425 JL |
280 | PARAMS ((bfd *, struct bfd_link_info *, struct elf64_hppa_link_hash_table *)); |
281 | ||
b34976b6 | 282 | static bfd_boolean get_plt |
15bda425 JL |
283 | PARAMS ((bfd *, struct bfd_link_info *, struct elf64_hppa_link_hash_table *)); |
284 | ||
b34976b6 | 285 | static bfd_boolean get_dlt |
15bda425 JL |
286 | PARAMS ((bfd *, struct bfd_link_info *, struct elf64_hppa_link_hash_table *)); |
287 | ||
b34976b6 | 288 | static bfd_boolean get_stub |
15bda425 JL |
289 | PARAMS ((bfd *, struct bfd_link_info *, struct elf64_hppa_link_hash_table *)); |
290 | ||
3fab46d0 AM |
291 | static int elf64_hppa_elf_get_symbol_type |
292 | PARAMS ((Elf_Internal_Sym *, int)); | |
293 | ||
b34976b6 | 294 | static bfd_boolean |
66eb6687 AM |
295 | elf64_hppa_dyn_hash_table_init (struct elf64_hppa_dyn_hash_table *ht, |
296 | bfd *abfd ATTRIBUTE_UNUSED, | |
297 | new_hash_entry_func new, | |
298 | unsigned int entsize) | |
15bda425 | 299 | { |
fe8bc63d | 300 | memset (ht, 0, sizeof (*ht)); |
66eb6687 | 301 | return bfd_hash_table_init (&ht->root, new, entsize); |
15bda425 JL |
302 | } |
303 | ||
304 | static struct bfd_hash_entry* | |
305 | elf64_hppa_new_dyn_hash_entry (entry, table, string) | |
306 | struct bfd_hash_entry *entry; | |
307 | struct bfd_hash_table *table; | |
308 | const char *string; | |
309 | { | |
310 | struct elf64_hppa_dyn_hash_entry *ret; | |
311 | ret = (struct elf64_hppa_dyn_hash_entry *) entry; | |
312 | ||
313 | /* Allocate the structure if it has not already been allocated by a | |
314 | subclass. */ | |
315 | if (!ret) | |
316 | ret = bfd_hash_allocate (table, sizeof (*ret)); | |
317 | ||
318 | if (!ret) | |
319 | return 0; | |
320 | ||
15bda425 JL |
321 | /* Call the allocation method of the superclass. */ |
322 | ret = ((struct elf64_hppa_dyn_hash_entry *) | |
323 | bfd_hash_newfunc ((struct bfd_hash_entry *) ret, table, string)); | |
324 | ||
336549c1 AM |
325 | /* Initialize our local data. All zeros. */ |
326 | memset (&ret->dlt_offset, 0, | |
327 | (sizeof (struct elf64_hppa_dyn_hash_entry) | |
328 | - offsetof (struct elf64_hppa_dyn_hash_entry, dlt_offset))); | |
329 | ||
15bda425 JL |
330 | return &ret->root; |
331 | } | |
332 | ||
333 | /* Create the derived linker hash table. The PA64 ELF port uses this | |
334 | derived hash table to keep information specific to the PA ElF | |
335 | linker (without using static variables). */ | |
336 | ||
337 | static struct bfd_link_hash_table* | |
338 | elf64_hppa_hash_table_create (abfd) | |
339 | bfd *abfd; | |
340 | { | |
341 | struct elf64_hppa_link_hash_table *ret; | |
342 | ||
dc810e39 | 343 | ret = bfd_zalloc (abfd, (bfd_size_type) sizeof (*ret)); |
15bda425 JL |
344 | if (!ret) |
345 | return 0; | |
346 | if (!_bfd_elf_link_hash_table_init (&ret->root, abfd, | |
66eb6687 AM |
347 | _bfd_elf_link_hash_newfunc, |
348 | sizeof (struct elf_link_hash_entry))) | |
15bda425 JL |
349 | { |
350 | bfd_release (abfd, ret); | |
351 | return 0; | |
352 | } | |
353 | ||
354 | if (!elf64_hppa_dyn_hash_table_init (&ret->dyn_hash_table, abfd, | |
66eb6687 AM |
355 | elf64_hppa_new_dyn_hash_entry, |
356 | sizeof (struct elf64_hppa_dyn_hash_entry))) | |
15bda425 JL |
357 | return 0; |
358 | return &ret->root.root; | |
359 | } | |
360 | ||
361 | /* Look up an entry in a PA64 ELF linker hash table. */ | |
362 | ||
363 | static struct elf64_hppa_dyn_hash_entry * | |
364 | elf64_hppa_dyn_hash_lookup(table, string, create, copy) | |
365 | struct elf64_hppa_dyn_hash_table *table; | |
366 | const char *string; | |
b34976b6 | 367 | bfd_boolean create, copy; |
15bda425 JL |
368 | { |
369 | return ((struct elf64_hppa_dyn_hash_entry *) | |
370 | bfd_hash_lookup (&table->root, string, create, copy)); | |
371 | } | |
372 | ||
373 | /* Traverse a PA64 ELF linker hash table. */ | |
374 | ||
375 | static void | |
376 | elf64_hppa_dyn_hash_traverse (table, func, info) | |
377 | struct elf64_hppa_dyn_hash_table *table; | |
b34976b6 | 378 | bfd_boolean (*func) PARAMS ((struct elf64_hppa_dyn_hash_entry *, PTR)); |
15bda425 JL |
379 | PTR info; |
380 | { | |
381 | (bfd_hash_traverse | |
382 | (&table->root, | |
b34976b6 | 383 | (bfd_boolean (*) PARAMS ((struct bfd_hash_entry *, PTR))) func, |
15bda425 JL |
384 | info)); |
385 | } | |
386 | \f | |
387 | /* Return nonzero if ABFD represents a PA2.0 ELF64 file. | |
388 | ||
389 | Additionally we set the default architecture and machine. */ | |
b34976b6 | 390 | static bfd_boolean |
15bda425 JL |
391 | elf64_hppa_object_p (abfd) |
392 | bfd *abfd; | |
393 | { | |
24a5e751 L |
394 | Elf_Internal_Ehdr * i_ehdrp; |
395 | unsigned int flags; | |
d9634ba1 | 396 | |
24a5e751 L |
397 | i_ehdrp = elf_elfheader (abfd); |
398 | if (strcmp (bfd_get_target (abfd), "elf64-hppa-linux") == 0) | |
399 | { | |
6c21aa76 NC |
400 | /* GCC on hppa-linux produces binaries with OSABI=Linux, |
401 | but the kernel produces corefiles with OSABI=SysV. */ | |
d97a8924 DA |
402 | if (i_ehdrp->e_ident[EI_OSABI] != ELFOSABI_LINUX |
403 | && i_ehdrp->e_ident[EI_OSABI] != ELFOSABI_NONE) /* aka SYSV */ | |
b34976b6 | 404 | return FALSE; |
24a5e751 L |
405 | } |
406 | else | |
407 | { | |
d97a8924 DA |
408 | /* HPUX produces binaries with OSABI=HPUX, |
409 | but the kernel produces corefiles with OSABI=SysV. */ | |
410 | if (i_ehdrp->e_ident[EI_OSABI] != ELFOSABI_HPUX | |
411 | && i_ehdrp->e_ident[EI_OSABI] != ELFOSABI_NONE) /* aka SYSV */ | |
b34976b6 | 412 | return FALSE; |
24a5e751 L |
413 | } |
414 | ||
415 | flags = i_ehdrp->e_flags; | |
d9634ba1 AM |
416 | switch (flags & (EF_PARISC_ARCH | EF_PARISC_WIDE)) |
417 | { | |
418 | case EFA_PARISC_1_0: | |
419 | return bfd_default_set_arch_mach (abfd, bfd_arch_hppa, 10); | |
420 | case EFA_PARISC_1_1: | |
421 | return bfd_default_set_arch_mach (abfd, bfd_arch_hppa, 11); | |
422 | case EFA_PARISC_2_0: | |
d97a8924 DA |
423 | if (i_ehdrp->e_ident[EI_CLASS] == ELFCLASS64) |
424 | return bfd_default_set_arch_mach (abfd, bfd_arch_hppa, 25); | |
425 | else | |
426 | return bfd_default_set_arch_mach (abfd, bfd_arch_hppa, 20); | |
d9634ba1 AM |
427 | case EFA_PARISC_2_0 | EF_PARISC_WIDE: |
428 | return bfd_default_set_arch_mach (abfd, bfd_arch_hppa, 25); | |
429 | } | |
430 | /* Don't be fussy. */ | |
b34976b6 | 431 | return TRUE; |
15bda425 JL |
432 | } |
433 | ||
434 | /* Given section type (hdr->sh_type), return a boolean indicating | |
435 | whether or not the section is an elf64-hppa specific section. */ | |
b34976b6 | 436 | static bfd_boolean |
6dc132d9 L |
437 | elf64_hppa_section_from_shdr (bfd *abfd, |
438 | Elf_Internal_Shdr *hdr, | |
439 | const char *name, | |
440 | int shindex) | |
15bda425 JL |
441 | { |
442 | asection *newsect; | |
443 | ||
444 | switch (hdr->sh_type) | |
445 | { | |
446 | case SHT_PARISC_EXT: | |
447 | if (strcmp (name, ".PARISC.archext") != 0) | |
b34976b6 | 448 | return FALSE; |
15bda425 JL |
449 | break; |
450 | case SHT_PARISC_UNWIND: | |
451 | if (strcmp (name, ".PARISC.unwind") != 0) | |
b34976b6 | 452 | return FALSE; |
15bda425 JL |
453 | break; |
454 | case SHT_PARISC_DOC: | |
455 | case SHT_PARISC_ANNOT: | |
456 | default: | |
b34976b6 | 457 | return FALSE; |
15bda425 JL |
458 | } |
459 | ||
6dc132d9 | 460 | if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex)) |
b34976b6 | 461 | return FALSE; |
15bda425 JL |
462 | newsect = hdr->bfd_section; |
463 | ||
b34976b6 | 464 | return TRUE; |
15bda425 JL |
465 | } |
466 | ||
15bda425 | 467 | /* Construct a string for use in the elf64_hppa_dyn_hash_table. The |
fe8bc63d | 468 | name describes what was once potentially anonymous memory. We |
15bda425 JL |
469 | allocate memory as necessary, possibly reusing PBUF/PLEN. */ |
470 | ||
471 | static const char * | |
d63b5ed9 DA |
472 | get_dyn_name (abfd, h, rel, pbuf, plen) |
473 | bfd *abfd; | |
15bda425 JL |
474 | struct elf_link_hash_entry *h; |
475 | const Elf_Internal_Rela *rel; | |
476 | char **pbuf; | |
477 | size_t *plen; | |
478 | { | |
d63b5ed9 | 479 | asection *sec = abfd->sections; |
15bda425 JL |
480 | size_t nlen, tlen; |
481 | char *buf; | |
482 | size_t len; | |
483 | ||
484 | if (h && rel->r_addend == 0) | |
485 | return h->root.root.string; | |
486 | ||
487 | if (h) | |
488 | nlen = strlen (h->root.root.string); | |
489 | else | |
0ba2a60e AM |
490 | nlen = 8 + 1 + sizeof (rel->r_info) * 2 - 8; |
491 | tlen = nlen + 1 + sizeof (rel->r_addend) * 2 + 1; | |
15bda425 JL |
492 | |
493 | len = *plen; | |
494 | buf = *pbuf; | |
495 | if (len < tlen) | |
496 | { | |
497 | if (buf) | |
498 | free (buf); | |
499 | *pbuf = buf = malloc (tlen); | |
500 | *plen = len = tlen; | |
501 | if (!buf) | |
502 | return NULL; | |
503 | } | |
504 | ||
505 | if (h) | |
506 | { | |
507 | memcpy (buf, h->root.root.string, nlen); | |
0ba2a60e | 508 | buf[nlen++] = '+'; |
15bda425 JL |
509 | sprintf_vma (buf + nlen, rel->r_addend); |
510 | } | |
511 | else | |
512 | { | |
0ba2a60e AM |
513 | nlen = sprintf (buf, "%x:%lx", |
514 | sec->id & 0xffffffff, | |
515 | (long) ELF64_R_SYM (rel->r_info)); | |
15bda425 JL |
516 | if (rel->r_addend) |
517 | { | |
518 | buf[nlen++] = '+'; | |
519 | sprintf_vma (buf + nlen, rel->r_addend); | |
520 | } | |
521 | } | |
522 | ||
523 | return buf; | |
524 | } | |
525 | ||
526 | /* SEC is a section containing relocs for an input BFD when linking; return | |
527 | a suitable section for holding relocs in the output BFD for a link. */ | |
528 | ||
b34976b6 | 529 | static bfd_boolean |
15bda425 JL |
530 | get_reloc_section (abfd, hppa_info, sec) |
531 | bfd *abfd; | |
532 | struct elf64_hppa_link_hash_table *hppa_info; | |
533 | asection *sec; | |
534 | { | |
535 | const char *srel_name; | |
536 | asection *srel; | |
537 | bfd *dynobj; | |
538 | ||
539 | srel_name = (bfd_elf_string_from_elf_section | |
540 | (abfd, elf_elfheader(abfd)->e_shstrndx, | |
541 | elf_section_data(sec)->rel_hdr.sh_name)); | |
542 | if (srel_name == NULL) | |
b34976b6 | 543 | return FALSE; |
15bda425 | 544 | |
0112cd26 | 545 | BFD_ASSERT ((CONST_STRNEQ (srel_name, ".rela") |
15bda425 | 546 | && strcmp (bfd_get_section_name (abfd, sec), |
0112cd26 NC |
547 | srel_name + 5) == 0) |
548 | || (CONST_STRNEQ (srel_name, ".rel") | |
15bda425 | 549 | && strcmp (bfd_get_section_name (abfd, sec), |
0112cd26 | 550 | srel_name + 4) == 0)); |
15bda425 JL |
551 | |
552 | dynobj = hppa_info->root.dynobj; | |
553 | if (!dynobj) | |
554 | hppa_info->root.dynobj = dynobj = abfd; | |
555 | ||
556 | srel = bfd_get_section_by_name (dynobj, srel_name); | |
557 | if (srel == NULL) | |
558 | { | |
3496cb2a L |
559 | srel = bfd_make_section_with_flags (dynobj, srel_name, |
560 | (SEC_ALLOC | |
561 | | SEC_LOAD | |
562 | | SEC_HAS_CONTENTS | |
563 | | SEC_IN_MEMORY | |
564 | | SEC_LINKER_CREATED | |
565 | | SEC_READONLY)); | |
15bda425 | 566 | if (srel == NULL |
15bda425 | 567 | || !bfd_set_section_alignment (dynobj, srel, 3)) |
b34976b6 | 568 | return FALSE; |
15bda425 JL |
569 | } |
570 | ||
571 | hppa_info->other_rel_sec = srel; | |
b34976b6 | 572 | return TRUE; |
15bda425 JL |
573 | } |
574 | ||
fe8bc63d | 575 | /* Add a new entry to the list of dynamic relocations against DYN_H. |
15bda425 JL |
576 | |
577 | We use this to keep a record of all the FPTR relocations against a | |
578 | particular symbol so that we can create FPTR relocations in the | |
579 | output file. */ | |
580 | ||
b34976b6 | 581 | static bfd_boolean |
15bda425 JL |
582 | count_dyn_reloc (abfd, dyn_h, type, sec, sec_symndx, offset, addend) |
583 | bfd *abfd; | |
584 | struct elf64_hppa_dyn_hash_entry *dyn_h; | |
585 | int type; | |
586 | asection *sec; | |
587 | int sec_symndx; | |
588 | bfd_vma offset; | |
589 | bfd_vma addend; | |
590 | { | |
591 | struct elf64_hppa_dyn_reloc_entry *rent; | |
592 | ||
593 | rent = (struct elf64_hppa_dyn_reloc_entry *) | |
dc810e39 | 594 | bfd_alloc (abfd, (bfd_size_type) sizeof (*rent)); |
15bda425 | 595 | if (!rent) |
b34976b6 | 596 | return FALSE; |
15bda425 JL |
597 | |
598 | rent->next = dyn_h->reloc_entries; | |
599 | rent->type = type; | |
600 | rent->sec = sec; | |
601 | rent->sec_symndx = sec_symndx; | |
602 | rent->offset = offset; | |
603 | rent->addend = addend; | |
604 | dyn_h->reloc_entries = rent; | |
605 | ||
b34976b6 | 606 | return TRUE; |
15bda425 JL |
607 | } |
608 | ||
609 | /* Scan the RELOCS and record the type of dynamic entries that each | |
610 | referenced symbol needs. */ | |
611 | ||
b34976b6 | 612 | static bfd_boolean |
15bda425 JL |
613 | elf64_hppa_check_relocs (abfd, info, sec, relocs) |
614 | bfd *abfd; | |
615 | struct bfd_link_info *info; | |
616 | asection *sec; | |
617 | const Elf_Internal_Rela *relocs; | |
618 | { | |
619 | struct elf64_hppa_link_hash_table *hppa_info; | |
620 | const Elf_Internal_Rela *relend; | |
621 | Elf_Internal_Shdr *symtab_hdr; | |
622 | const Elf_Internal_Rela *rel; | |
623 | asection *dlt, *plt, *stubs; | |
624 | char *buf; | |
625 | size_t buf_len; | |
626 | int sec_symndx; | |
627 | ||
1049f94e | 628 | if (info->relocatable) |
b34976b6 | 629 | return TRUE; |
15bda425 JL |
630 | |
631 | /* If this is the first dynamic object found in the link, create | |
632 | the special sections required for dynamic linking. */ | |
633 | if (! elf_hash_table (info)->dynamic_sections_created) | |
634 | { | |
45d6a902 | 635 | if (! _bfd_elf_link_create_dynamic_sections (abfd, info)) |
b34976b6 | 636 | return FALSE; |
15bda425 JL |
637 | } |
638 | ||
639 | hppa_info = elf64_hppa_hash_table (info); | |
640 | symtab_hdr = &elf_tdata (abfd)->symtab_hdr; | |
641 | ||
642 | /* If necessary, build a new table holding section symbols indices | |
6cdc0ccc | 643 | for this BFD. */ |
fe8bc63d | 644 | |
15bda425 JL |
645 | if (info->shared && hppa_info->section_syms_bfd != abfd) |
646 | { | |
832d951b | 647 | unsigned long i; |
9ad5cbcf | 648 | unsigned int highest_shndx; |
6cdc0ccc AM |
649 | Elf_Internal_Sym *local_syms = NULL; |
650 | Elf_Internal_Sym *isym, *isymend; | |
dc810e39 | 651 | bfd_size_type amt; |
15bda425 JL |
652 | |
653 | /* We're done with the old cache of section index to section symbol | |
654 | index information. Free it. | |
655 | ||
656 | ?!? Note we leak the last section_syms array. Presumably we | |
657 | could free it in one of the later routines in this file. */ | |
658 | if (hppa_info->section_syms) | |
659 | free (hppa_info->section_syms); | |
660 | ||
6cdc0ccc AM |
661 | /* Read this BFD's local symbols. */ |
662 | if (symtab_hdr->sh_info != 0) | |
47b7c2db | 663 | { |
6cdc0ccc AM |
664 | local_syms = (Elf_Internal_Sym *) symtab_hdr->contents; |
665 | if (local_syms == NULL) | |
666 | local_syms = bfd_elf_get_elf_syms (abfd, symtab_hdr, | |
667 | symtab_hdr->sh_info, 0, | |
668 | NULL, NULL, NULL); | |
669 | if (local_syms == NULL) | |
b34976b6 | 670 | return FALSE; |
9ad5cbcf AM |
671 | } |
672 | ||
6cdc0ccc | 673 | /* Record the highest section index referenced by the local symbols. */ |
15bda425 | 674 | highest_shndx = 0; |
6cdc0ccc AM |
675 | isymend = local_syms + symtab_hdr->sh_info; |
676 | for (isym = local_syms; isym < isymend; isym++) | |
15bda425 | 677 | { |
15bda425 JL |
678 | if (isym->st_shndx > highest_shndx) |
679 | highest_shndx = isym->st_shndx; | |
680 | } | |
681 | ||
15bda425 JL |
682 | /* Allocate an array to hold the section index to section symbol index |
683 | mapping. Bump by one since we start counting at zero. */ | |
684 | highest_shndx++; | |
dc810e39 AM |
685 | amt = highest_shndx; |
686 | amt *= sizeof (int); | |
687 | hppa_info->section_syms = (int *) bfd_malloc (amt); | |
15bda425 JL |
688 | |
689 | /* Now walk the local symbols again. If we find a section symbol, | |
690 | record the index of the symbol into the section_syms array. */ | |
6cdc0ccc | 691 | for (i = 0, isym = local_syms; isym < isymend; i++, isym++) |
15bda425 JL |
692 | { |
693 | if (ELF_ST_TYPE (isym->st_info) == STT_SECTION) | |
694 | hppa_info->section_syms[isym->st_shndx] = i; | |
695 | } | |
696 | ||
6cdc0ccc AM |
697 | /* We are finished with the local symbols. */ |
698 | if (local_syms != NULL | |
699 | && symtab_hdr->contents != (unsigned char *) local_syms) | |
700 | { | |
701 | if (! info->keep_memory) | |
702 | free (local_syms); | |
703 | else | |
704 | { | |
705 | /* Cache the symbols for elf_link_input_bfd. */ | |
706 | symtab_hdr->contents = (unsigned char *) local_syms; | |
707 | } | |
708 | } | |
15bda425 JL |
709 | |
710 | /* Record which BFD we built the section_syms mapping for. */ | |
711 | hppa_info->section_syms_bfd = abfd; | |
712 | } | |
713 | ||
714 | /* Record the symbol index for this input section. We may need it for | |
715 | relocations when building shared libraries. When not building shared | |
716 | libraries this value is never really used, but assign it to zero to | |
717 | prevent out of bounds memory accesses in other routines. */ | |
718 | if (info->shared) | |
719 | { | |
720 | sec_symndx = _bfd_elf_section_from_bfd_section (abfd, sec); | |
721 | ||
722 | /* If we did not find a section symbol for this section, then | |
723 | something went terribly wrong above. */ | |
724 | if (sec_symndx == -1) | |
b34976b6 | 725 | return FALSE; |
15bda425 JL |
726 | |
727 | sec_symndx = hppa_info->section_syms[sec_symndx]; | |
728 | } | |
729 | else | |
730 | sec_symndx = 0; | |
fe8bc63d | 731 | |
15bda425 JL |
732 | dlt = plt = stubs = NULL; |
733 | buf = NULL; | |
734 | buf_len = 0; | |
735 | ||
736 | relend = relocs + sec->reloc_count; | |
737 | for (rel = relocs; rel < relend; ++rel) | |
738 | { | |
560e09e9 NC |
739 | enum |
740 | { | |
741 | NEED_DLT = 1, | |
742 | NEED_PLT = 2, | |
743 | NEED_STUB = 4, | |
744 | NEED_OPD = 8, | |
745 | NEED_DYNREL = 16, | |
746 | }; | |
15bda425 JL |
747 | |
748 | struct elf_link_hash_entry *h = NULL; | |
749 | unsigned long r_symndx = ELF64_R_SYM (rel->r_info); | |
750 | struct elf64_hppa_dyn_hash_entry *dyn_h; | |
751 | int need_entry; | |
752 | const char *addr_name; | |
b34976b6 | 753 | bfd_boolean maybe_dynamic; |
15bda425 JL |
754 | int dynrel_type = R_PARISC_NONE; |
755 | static reloc_howto_type *howto; | |
756 | ||
757 | if (r_symndx >= symtab_hdr->sh_info) | |
758 | { | |
759 | /* We're dealing with a global symbol -- find its hash entry | |
760 | and mark it as being referenced. */ | |
761 | long indx = r_symndx - symtab_hdr->sh_info; | |
762 | h = elf_sym_hashes (abfd)[indx]; | |
763 | while (h->root.type == bfd_link_hash_indirect | |
764 | || h->root.type == bfd_link_hash_warning) | |
765 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
766 | ||
f5385ebf | 767 | h->ref_regular = 1; |
15bda425 JL |
768 | } |
769 | ||
770 | /* We can only get preliminary data on whether a symbol is | |
771 | locally or externally defined, as not all of the input files | |
772 | have yet been processed. Do something with what we know, as | |
773 | this may help reduce memory usage and processing time later. */ | |
b34976b6 | 774 | maybe_dynamic = FALSE; |
671bae9c | 775 | if (h && ((info->shared |
f5385ebf AM |
776 | && (!info->symbolic |
777 | || info->unresolved_syms_in_shared_libs == RM_IGNORE)) | |
778 | || !h->def_regular | |
15bda425 | 779 | || h->root.type == bfd_link_hash_defweak)) |
b34976b6 | 780 | maybe_dynamic = TRUE; |
15bda425 JL |
781 | |
782 | howto = elf_hppa_howto_table + ELF64_R_TYPE (rel->r_info); | |
783 | need_entry = 0; | |
784 | switch (howto->type) | |
785 | { | |
786 | /* These are simple indirect references to symbols through the | |
787 | DLT. We need to create a DLT entry for any symbols which | |
788 | appears in a DLTIND relocation. */ | |
789 | case R_PARISC_DLTIND21L: | |
790 | case R_PARISC_DLTIND14R: | |
791 | case R_PARISC_DLTIND14F: | |
792 | case R_PARISC_DLTIND14WR: | |
793 | case R_PARISC_DLTIND14DR: | |
794 | need_entry = NEED_DLT; | |
795 | break; | |
796 | ||
797 | /* ?!? These need a DLT entry. But I have no idea what to do with | |
798 | the "link time TP value. */ | |
799 | case R_PARISC_LTOFF_TP21L: | |
800 | case R_PARISC_LTOFF_TP14R: | |
801 | case R_PARISC_LTOFF_TP14F: | |
802 | case R_PARISC_LTOFF_TP64: | |
803 | case R_PARISC_LTOFF_TP14WR: | |
804 | case R_PARISC_LTOFF_TP14DR: | |
805 | case R_PARISC_LTOFF_TP16F: | |
806 | case R_PARISC_LTOFF_TP16WF: | |
807 | case R_PARISC_LTOFF_TP16DF: | |
808 | need_entry = NEED_DLT; | |
809 | break; | |
810 | ||
811 | /* These are function calls. Depending on their precise target we | |
812 | may need to make a stub for them. The stub uses the PLT, so we | |
813 | need to create PLT entries for these symbols too. */ | |
832d951b | 814 | case R_PARISC_PCREL12F: |
15bda425 JL |
815 | case R_PARISC_PCREL17F: |
816 | case R_PARISC_PCREL22F: | |
817 | case R_PARISC_PCREL32: | |
818 | case R_PARISC_PCREL64: | |
819 | case R_PARISC_PCREL21L: | |
820 | case R_PARISC_PCREL17R: | |
821 | case R_PARISC_PCREL17C: | |
822 | case R_PARISC_PCREL14R: | |
823 | case R_PARISC_PCREL14F: | |
824 | case R_PARISC_PCREL22C: | |
825 | case R_PARISC_PCREL14WR: | |
826 | case R_PARISC_PCREL14DR: | |
827 | case R_PARISC_PCREL16F: | |
828 | case R_PARISC_PCREL16WF: | |
829 | case R_PARISC_PCREL16DF: | |
830 | need_entry = (NEED_PLT | NEED_STUB); | |
831 | break; | |
832 | ||
833 | case R_PARISC_PLTOFF21L: | |
834 | case R_PARISC_PLTOFF14R: | |
835 | case R_PARISC_PLTOFF14F: | |
836 | case R_PARISC_PLTOFF14WR: | |
837 | case R_PARISC_PLTOFF14DR: | |
838 | case R_PARISC_PLTOFF16F: | |
839 | case R_PARISC_PLTOFF16WF: | |
840 | case R_PARISC_PLTOFF16DF: | |
841 | need_entry = (NEED_PLT); | |
842 | break; | |
843 | ||
844 | case R_PARISC_DIR64: | |
845 | if (info->shared || maybe_dynamic) | |
846 | need_entry = (NEED_DYNREL); | |
847 | dynrel_type = R_PARISC_DIR64; | |
848 | break; | |
849 | ||
850 | /* This is an indirect reference through the DLT to get the address | |
851 | of a OPD descriptor. Thus we need to make a DLT entry that points | |
852 | to an OPD entry. */ | |
853 | case R_PARISC_LTOFF_FPTR21L: | |
854 | case R_PARISC_LTOFF_FPTR14R: | |
855 | case R_PARISC_LTOFF_FPTR14WR: | |
856 | case R_PARISC_LTOFF_FPTR14DR: | |
857 | case R_PARISC_LTOFF_FPTR32: | |
858 | case R_PARISC_LTOFF_FPTR64: | |
859 | case R_PARISC_LTOFF_FPTR16F: | |
860 | case R_PARISC_LTOFF_FPTR16WF: | |
861 | case R_PARISC_LTOFF_FPTR16DF: | |
862 | if (info->shared || maybe_dynamic) | |
863 | need_entry = (NEED_DLT | NEED_OPD); | |
864 | else | |
865 | need_entry = (NEED_DLT | NEED_OPD); | |
866 | dynrel_type = R_PARISC_FPTR64; | |
867 | break; | |
868 | ||
869 | /* This is a simple OPD entry. */ | |
870 | case R_PARISC_FPTR64: | |
871 | if (info->shared || maybe_dynamic) | |
872 | need_entry = (NEED_OPD | NEED_DYNREL); | |
873 | else | |
874 | need_entry = (NEED_OPD); | |
875 | dynrel_type = R_PARISC_FPTR64; | |
876 | break; | |
877 | ||
878 | /* Add more cases as needed. */ | |
879 | } | |
880 | ||
881 | if (!need_entry) | |
882 | continue; | |
883 | ||
884 | /* Collect a canonical name for this address. */ | |
d63b5ed9 | 885 | addr_name = get_dyn_name (abfd, h, rel, &buf, &buf_len); |
15bda425 JL |
886 | |
887 | /* Collect the canonical entry data for this address. */ | |
888 | dyn_h = elf64_hppa_dyn_hash_lookup (&hppa_info->dyn_hash_table, | |
b34976b6 | 889 | addr_name, TRUE, TRUE); |
15bda425 JL |
890 | BFD_ASSERT (dyn_h); |
891 | ||
892 | /* Stash away enough information to be able to find this symbol | |
893 | regardless of whether or not it is local or global. */ | |
894 | dyn_h->h = h; | |
895 | dyn_h->owner = abfd; | |
896 | dyn_h->sym_indx = r_symndx; | |
897 | ||
898 | /* ?!? We may need to do some error checking in here. */ | |
899 | /* Create what's needed. */ | |
900 | if (need_entry & NEED_DLT) | |
901 | { | |
902 | if (! hppa_info->dlt_sec | |
903 | && ! get_dlt (abfd, info, hppa_info)) | |
904 | goto err_out; | |
905 | dyn_h->want_dlt = 1; | |
906 | } | |
907 | ||
908 | if (need_entry & NEED_PLT) | |
909 | { | |
910 | if (! hppa_info->plt_sec | |
911 | && ! get_plt (abfd, info, hppa_info)) | |
912 | goto err_out; | |
913 | dyn_h->want_plt = 1; | |
914 | } | |
915 | ||
916 | if (need_entry & NEED_STUB) | |
917 | { | |
918 | if (! hppa_info->stub_sec | |
919 | && ! get_stub (abfd, info, hppa_info)) | |
920 | goto err_out; | |
921 | dyn_h->want_stub = 1; | |
922 | } | |
923 | ||
924 | if (need_entry & NEED_OPD) | |
925 | { | |
926 | if (! hppa_info->opd_sec | |
927 | && ! get_opd (abfd, info, hppa_info)) | |
928 | goto err_out; | |
929 | ||
930 | dyn_h->want_opd = 1; | |
931 | ||
932 | /* FPTRs are not allocated by the dynamic linker for PA64, though | |
933 | it is possible that will change in the future. */ | |
fe8bc63d | 934 | |
15bda425 JL |
935 | /* This could be a local function that had its address taken, in |
936 | which case H will be NULL. */ | |
937 | if (h) | |
f5385ebf | 938 | h->needs_plt = 1; |
15bda425 JL |
939 | } |
940 | ||
941 | /* Add a new dynamic relocation to the chain of dynamic | |
942 | relocations for this symbol. */ | |
943 | if ((need_entry & NEED_DYNREL) && (sec->flags & SEC_ALLOC)) | |
944 | { | |
945 | if (! hppa_info->other_rel_sec | |
946 | && ! get_reloc_section (abfd, hppa_info, sec)) | |
947 | goto err_out; | |
948 | ||
949 | if (!count_dyn_reloc (abfd, dyn_h, dynrel_type, sec, | |
950 | sec_symndx, rel->r_offset, rel->r_addend)) | |
951 | goto err_out; | |
952 | ||
953 | /* If we are building a shared library and we just recorded | |
954 | a dynamic R_PARISC_FPTR64 relocation, then make sure the | |
955 | section symbol for this section ends up in the dynamic | |
956 | symbol table. */ | |
957 | if (info->shared && dynrel_type == R_PARISC_FPTR64 | |
c152c796 | 958 | && ! (bfd_elf_link_record_local_dynamic_symbol |
15bda425 | 959 | (info, abfd, sec_symndx))) |
b34976b6 | 960 | return FALSE; |
15bda425 JL |
961 | } |
962 | } | |
963 | ||
964 | if (buf) | |
965 | free (buf); | |
b34976b6 | 966 | return TRUE; |
15bda425 JL |
967 | |
968 | err_out: | |
969 | if (buf) | |
970 | free (buf); | |
b34976b6 | 971 | return FALSE; |
15bda425 JL |
972 | } |
973 | ||
974 | struct elf64_hppa_allocate_data | |
975 | { | |
976 | struct bfd_link_info *info; | |
977 | bfd_size_type ofs; | |
978 | }; | |
979 | ||
980 | /* Should we do dynamic things to this symbol? */ | |
981 | ||
b34976b6 | 982 | static bfd_boolean |
15bda425 JL |
983 | elf64_hppa_dynamic_symbol_p (h, info) |
984 | struct elf_link_hash_entry *h; | |
985 | struct bfd_link_info *info; | |
986 | { | |
986a241f RH |
987 | /* ??? What, if anything, needs to happen wrt STV_PROTECTED symbols |
988 | and relocations that retrieve a function descriptor? Assume the | |
989 | worst for now. */ | |
990 | if (_bfd_elf_dynamic_symbol_p (h, info, 1)) | |
991 | { | |
992 | /* ??? Why is this here and not elsewhere is_local_label_name. */ | |
993 | if (h->root.root.string[0] == '$' && h->root.root.string[1] == '$') | |
994 | return FALSE; | |
15bda425 | 995 | |
986a241f RH |
996 | return TRUE; |
997 | } | |
998 | else | |
b34976b6 | 999 | return FALSE; |
15bda425 JL |
1000 | } |
1001 | ||
4cc11e76 | 1002 | /* Mark all functions exported by this file so that we can later allocate |
15bda425 JL |
1003 | entries in .opd for them. */ |
1004 | ||
b34976b6 | 1005 | static bfd_boolean |
15bda425 JL |
1006 | elf64_hppa_mark_exported_functions (h, data) |
1007 | struct elf_link_hash_entry *h; | |
1008 | PTR data; | |
1009 | { | |
1010 | struct bfd_link_info *info = (struct bfd_link_info *)data; | |
1011 | struct elf64_hppa_link_hash_table *hppa_info; | |
1012 | ||
1013 | hppa_info = elf64_hppa_hash_table (info); | |
1014 | ||
e92d460e AM |
1015 | if (h->root.type == bfd_link_hash_warning) |
1016 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
1017 | ||
15bda425 JL |
1018 | if (h |
1019 | && (h->root.type == bfd_link_hash_defined | |
1020 | || h->root.type == bfd_link_hash_defweak) | |
1021 | && h->root.u.def.section->output_section != NULL | |
1022 | && h->type == STT_FUNC) | |
1023 | { | |
1024 | struct elf64_hppa_dyn_hash_entry *dyn_h; | |
1025 | ||
1026 | /* Add this symbol to the PA64 linker hash table. */ | |
1027 | dyn_h = elf64_hppa_dyn_hash_lookup (&hppa_info->dyn_hash_table, | |
b34976b6 | 1028 | h->root.root.string, TRUE, TRUE); |
15bda425 JL |
1029 | BFD_ASSERT (dyn_h); |
1030 | dyn_h->h = h; | |
1031 | ||
1032 | if (! hppa_info->opd_sec | |
1033 | && ! get_opd (hppa_info->root.dynobj, info, hppa_info)) | |
b34976b6 | 1034 | return FALSE; |
15bda425 JL |
1035 | |
1036 | dyn_h->want_opd = 1; | |
832d951b AM |
1037 | /* Put a flag here for output_symbol_hook. */ |
1038 | dyn_h->st_shndx = -1; | |
f5385ebf | 1039 | h->needs_plt = 1; |
15bda425 JL |
1040 | } |
1041 | ||
b34976b6 | 1042 | return TRUE; |
15bda425 JL |
1043 | } |
1044 | ||
1045 | /* Allocate space for a DLT entry. */ | |
1046 | ||
b34976b6 | 1047 | static bfd_boolean |
15bda425 JL |
1048 | allocate_global_data_dlt (dyn_h, data) |
1049 | struct elf64_hppa_dyn_hash_entry *dyn_h; | |
1050 | PTR data; | |
1051 | { | |
1052 | struct elf64_hppa_allocate_data *x = (struct elf64_hppa_allocate_data *)data; | |
1053 | ||
1054 | if (dyn_h->want_dlt) | |
1055 | { | |
1056 | struct elf_link_hash_entry *h = dyn_h->h; | |
1057 | ||
1058 | if (x->info->shared) | |
1059 | { | |
1060 | /* Possibly add the symbol to the local dynamic symbol | |
1061 | table since we might need to create a dynamic relocation | |
1062 | against it. */ | |
1063 | if (! h | |
47b7c2db | 1064 | || (h->dynindx == -1 && h->type != STT_PARISC_MILLI)) |
15bda425 JL |
1065 | { |
1066 | bfd *owner; | |
1067 | owner = (h ? h->root.u.def.section->owner : dyn_h->owner); | |
1068 | ||
c152c796 | 1069 | if (! (bfd_elf_link_record_local_dynamic_symbol |
dc810e39 | 1070 | (x->info, owner, dyn_h->sym_indx))) |
b34976b6 | 1071 | return FALSE; |
15bda425 JL |
1072 | } |
1073 | } | |
1074 | ||
1075 | dyn_h->dlt_offset = x->ofs; | |
1076 | x->ofs += DLT_ENTRY_SIZE; | |
1077 | } | |
b34976b6 | 1078 | return TRUE; |
15bda425 JL |
1079 | } |
1080 | ||
1081 | /* Allocate space for a DLT.PLT entry. */ | |
1082 | ||
b34976b6 | 1083 | static bfd_boolean |
15bda425 JL |
1084 | allocate_global_data_plt (dyn_h, data) |
1085 | struct elf64_hppa_dyn_hash_entry *dyn_h; | |
1086 | PTR data; | |
1087 | { | |
1088 | struct elf64_hppa_allocate_data *x = (struct elf64_hppa_allocate_data *)data; | |
1089 | ||
1090 | if (dyn_h->want_plt | |
1091 | && elf64_hppa_dynamic_symbol_p (dyn_h->h, x->info) | |
1092 | && !((dyn_h->h->root.type == bfd_link_hash_defined | |
1093 | || dyn_h->h->root.type == bfd_link_hash_defweak) | |
1094 | && dyn_h->h->root.u.def.section->output_section != NULL)) | |
1095 | { | |
1096 | dyn_h->plt_offset = x->ofs; | |
1097 | x->ofs += PLT_ENTRY_SIZE; | |
1098 | if (dyn_h->plt_offset < 0x2000) | |
1099 | elf64_hppa_hash_table (x->info)->gp_offset = dyn_h->plt_offset; | |
1100 | } | |
1101 | else | |
1102 | dyn_h->want_plt = 0; | |
1103 | ||
b34976b6 | 1104 | return TRUE; |
15bda425 JL |
1105 | } |
1106 | ||
1107 | /* Allocate space for a STUB entry. */ | |
1108 | ||
b34976b6 | 1109 | static bfd_boolean |
15bda425 JL |
1110 | allocate_global_data_stub (dyn_h, data) |
1111 | struct elf64_hppa_dyn_hash_entry *dyn_h; | |
1112 | PTR data; | |
1113 | { | |
1114 | struct elf64_hppa_allocate_data *x = (struct elf64_hppa_allocate_data *)data; | |
1115 | ||
1116 | if (dyn_h->want_stub | |
1117 | && elf64_hppa_dynamic_symbol_p (dyn_h->h, x->info) | |
1118 | && !((dyn_h->h->root.type == bfd_link_hash_defined | |
1119 | || dyn_h->h->root.type == bfd_link_hash_defweak) | |
1120 | && dyn_h->h->root.u.def.section->output_section != NULL)) | |
1121 | { | |
1122 | dyn_h->stub_offset = x->ofs; | |
1123 | x->ofs += sizeof (plt_stub); | |
1124 | } | |
1125 | else | |
1126 | dyn_h->want_stub = 0; | |
b34976b6 | 1127 | return TRUE; |
15bda425 JL |
1128 | } |
1129 | ||
1130 | /* Allocate space for a FPTR entry. */ | |
1131 | ||
b34976b6 | 1132 | static bfd_boolean |
15bda425 JL |
1133 | allocate_global_data_opd (dyn_h, data) |
1134 | struct elf64_hppa_dyn_hash_entry *dyn_h; | |
1135 | PTR data; | |
1136 | { | |
1137 | struct elf64_hppa_allocate_data *x = (struct elf64_hppa_allocate_data *)data; | |
1138 | ||
1139 | if (dyn_h->want_opd) | |
1140 | { | |
1141 | struct elf_link_hash_entry *h = dyn_h->h; | |
fe8bc63d | 1142 | |
15bda425 JL |
1143 | if (h) |
1144 | while (h->root.type == bfd_link_hash_indirect | |
1145 | || h->root.type == bfd_link_hash_warning) | |
1146 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
1147 | ||
1148 | /* We never need an opd entry for a symbol which is not | |
1149 | defined by this output file. */ | |
3db4b612 | 1150 | if (h && (h->root.type == bfd_link_hash_undefined |
af7cfa33 | 1151 | || h->root.type == bfd_link_hash_undefweak |
3db4b612 | 1152 | || h->root.u.def.section->output_section == NULL)) |
15bda425 JL |
1153 | dyn_h->want_opd = 0; |
1154 | ||
1155 | /* If we are creating a shared library, took the address of a local | |
1156 | function or might export this function from this object file, then | |
1157 | we have to create an opd descriptor. */ | |
1158 | else if (x->info->shared | |
1159 | || h == NULL | |
47b7c2db | 1160 | || (h->dynindx == -1 && h->type != STT_PARISC_MILLI) |
3db4b612 JL |
1161 | || (h->root.type == bfd_link_hash_defined |
1162 | || h->root.type == bfd_link_hash_defweak)) | |
15bda425 JL |
1163 | { |
1164 | /* If we are creating a shared library, then we will have to | |
1165 | create a runtime relocation for the symbol to properly | |
1166 | initialize the .opd entry. Make sure the symbol gets | |
1167 | added to the dynamic symbol table. */ | |
1168 | if (x->info->shared | |
1169 | && (h == NULL || (h->dynindx == -1))) | |
1170 | { | |
1171 | bfd *owner; | |
1172 | owner = (h ? h->root.u.def.section->owner : dyn_h->owner); | |
1173 | ||
c152c796 | 1174 | if (!bfd_elf_link_record_local_dynamic_symbol |
15bda425 | 1175 | (x->info, owner, dyn_h->sym_indx)) |
b34976b6 | 1176 | return FALSE; |
15bda425 JL |
1177 | } |
1178 | ||
1179 | /* This may not be necessary or desirable anymore now that | |
1180 | we have some support for dealing with section symbols | |
1181 | in dynamic relocs. But name munging does make the result | |
1182 | much easier to debug. ie, the EPLT reloc will reference | |
1183 | a symbol like .foobar, instead of .text + offset. */ | |
1184 | if (x->info->shared && h) | |
1185 | { | |
1186 | char *new_name; | |
1187 | struct elf_link_hash_entry *nh; | |
1188 | ||
1189 | new_name = alloca (strlen (h->root.root.string) + 2); | |
1190 | new_name[0] = '.'; | |
1191 | strcpy (new_name + 1, h->root.root.string); | |
1192 | ||
1193 | nh = elf_link_hash_lookup (elf_hash_table (x->info), | |
b34976b6 | 1194 | new_name, TRUE, TRUE, TRUE); |
15bda425 JL |
1195 | |
1196 | nh->root.type = h->root.type; | |
1197 | nh->root.u.def.value = h->root.u.def.value; | |
1198 | nh->root.u.def.section = h->root.u.def.section; | |
1199 | ||
c152c796 | 1200 | if (! bfd_elf_link_record_dynamic_symbol (x->info, nh)) |
b34976b6 | 1201 | return FALSE; |
15bda425 JL |
1202 | |
1203 | } | |
1204 | dyn_h->opd_offset = x->ofs; | |
1205 | x->ofs += OPD_ENTRY_SIZE; | |
1206 | } | |
1207 | ||
1208 | /* Otherwise we do not need an opd entry. */ | |
1209 | else | |
1210 | dyn_h->want_opd = 0; | |
1211 | } | |
b34976b6 | 1212 | return TRUE; |
15bda425 JL |
1213 | } |
1214 | ||
1215 | /* HP requires the EI_OSABI field to be filled in. The assignment to | |
1216 | EI_ABIVERSION may not be strictly necessary. */ | |
1217 | ||
1218 | static void | |
1219 | elf64_hppa_post_process_headers (abfd, link_info) | |
1220 | bfd * abfd; | |
1221 | struct bfd_link_info * link_info ATTRIBUTE_UNUSED; | |
1222 | { | |
1223 | Elf_Internal_Ehdr * i_ehdrp; | |
1224 | ||
1225 | i_ehdrp = elf_elfheader (abfd); | |
d1036acb L |
1226 | |
1227 | i_ehdrp->e_ident[EI_OSABI] = get_elf_backend_data (abfd)->elf_osabi; | |
1228 | i_ehdrp->e_ident[EI_ABIVERSION] = 1; | |
15bda425 JL |
1229 | } |
1230 | ||
1231 | /* Create function descriptor section (.opd). This section is called .opd | |
4cc11e76 | 1232 | because it contains "official procedure descriptors". The "official" |
15bda425 JL |
1233 | refers to the fact that these descriptors are used when taking the address |
1234 | of a procedure, thus ensuring a unique address for each procedure. */ | |
1235 | ||
b34976b6 | 1236 | static bfd_boolean |
15bda425 JL |
1237 | get_opd (abfd, info, hppa_info) |
1238 | bfd *abfd; | |
edd21aca | 1239 | struct bfd_link_info *info ATTRIBUTE_UNUSED; |
15bda425 JL |
1240 | struct elf64_hppa_link_hash_table *hppa_info; |
1241 | { | |
1242 | asection *opd; | |
1243 | bfd *dynobj; | |
1244 | ||
1245 | opd = hppa_info->opd_sec; | |
1246 | if (!opd) | |
1247 | { | |
1248 | dynobj = hppa_info->root.dynobj; | |
1249 | if (!dynobj) | |
1250 | hppa_info->root.dynobj = dynobj = abfd; | |
1251 | ||
3496cb2a L |
1252 | opd = bfd_make_section_with_flags (dynobj, ".opd", |
1253 | (SEC_ALLOC | |
1254 | | SEC_LOAD | |
1255 | | SEC_HAS_CONTENTS | |
1256 | | SEC_IN_MEMORY | |
1257 | | SEC_LINKER_CREATED)); | |
15bda425 | 1258 | if (!opd |
15bda425 JL |
1259 | || !bfd_set_section_alignment (abfd, opd, 3)) |
1260 | { | |
1261 | BFD_ASSERT (0); | |
b34976b6 | 1262 | return FALSE; |
15bda425 JL |
1263 | } |
1264 | ||
1265 | hppa_info->opd_sec = opd; | |
1266 | } | |
1267 | ||
b34976b6 | 1268 | return TRUE; |
15bda425 JL |
1269 | } |
1270 | ||
1271 | /* Create the PLT section. */ | |
1272 | ||
b34976b6 | 1273 | static bfd_boolean |
15bda425 JL |
1274 | get_plt (abfd, info, hppa_info) |
1275 | bfd *abfd; | |
edd21aca | 1276 | struct bfd_link_info *info ATTRIBUTE_UNUSED; |
15bda425 JL |
1277 | struct elf64_hppa_link_hash_table *hppa_info; |
1278 | { | |
1279 | asection *plt; | |
1280 | bfd *dynobj; | |
1281 | ||
1282 | plt = hppa_info->plt_sec; | |
1283 | if (!plt) | |
1284 | { | |
1285 | dynobj = hppa_info->root.dynobj; | |
1286 | if (!dynobj) | |
1287 | hppa_info->root.dynobj = dynobj = abfd; | |
1288 | ||
3496cb2a L |
1289 | plt = bfd_make_section_with_flags (dynobj, ".plt", |
1290 | (SEC_ALLOC | |
1291 | | SEC_LOAD | |
1292 | | SEC_HAS_CONTENTS | |
1293 | | SEC_IN_MEMORY | |
1294 | | SEC_LINKER_CREATED)); | |
15bda425 | 1295 | if (!plt |
15bda425 JL |
1296 | || !bfd_set_section_alignment (abfd, plt, 3)) |
1297 | { | |
1298 | BFD_ASSERT (0); | |
b34976b6 | 1299 | return FALSE; |
15bda425 JL |
1300 | } |
1301 | ||
1302 | hppa_info->plt_sec = plt; | |
1303 | } | |
1304 | ||
b34976b6 | 1305 | return TRUE; |
15bda425 JL |
1306 | } |
1307 | ||
1308 | /* Create the DLT section. */ | |
1309 | ||
b34976b6 | 1310 | static bfd_boolean |
15bda425 JL |
1311 | get_dlt (abfd, info, hppa_info) |
1312 | bfd *abfd; | |
edd21aca | 1313 | struct bfd_link_info *info ATTRIBUTE_UNUSED; |
15bda425 JL |
1314 | struct elf64_hppa_link_hash_table *hppa_info; |
1315 | { | |
1316 | asection *dlt; | |
1317 | bfd *dynobj; | |
1318 | ||
1319 | dlt = hppa_info->dlt_sec; | |
1320 | if (!dlt) | |
1321 | { | |
1322 | dynobj = hppa_info->root.dynobj; | |
1323 | if (!dynobj) | |
1324 | hppa_info->root.dynobj = dynobj = abfd; | |
1325 | ||
3496cb2a L |
1326 | dlt = bfd_make_section_with_flags (dynobj, ".dlt", |
1327 | (SEC_ALLOC | |
1328 | | SEC_LOAD | |
1329 | | SEC_HAS_CONTENTS | |
1330 | | SEC_IN_MEMORY | |
1331 | | SEC_LINKER_CREATED)); | |
15bda425 | 1332 | if (!dlt |
15bda425 JL |
1333 | || !bfd_set_section_alignment (abfd, dlt, 3)) |
1334 | { | |
1335 | BFD_ASSERT (0); | |
b34976b6 | 1336 | return FALSE; |
15bda425 JL |
1337 | } |
1338 | ||
1339 | hppa_info->dlt_sec = dlt; | |
1340 | } | |
1341 | ||
b34976b6 | 1342 | return TRUE; |
15bda425 JL |
1343 | } |
1344 | ||
1345 | /* Create the stubs section. */ | |
1346 | ||
b34976b6 | 1347 | static bfd_boolean |
15bda425 JL |
1348 | get_stub (abfd, info, hppa_info) |
1349 | bfd *abfd; | |
edd21aca | 1350 | struct bfd_link_info *info ATTRIBUTE_UNUSED; |
15bda425 JL |
1351 | struct elf64_hppa_link_hash_table *hppa_info; |
1352 | { | |
1353 | asection *stub; | |
1354 | bfd *dynobj; | |
1355 | ||
1356 | stub = hppa_info->stub_sec; | |
1357 | if (!stub) | |
1358 | { | |
1359 | dynobj = hppa_info->root.dynobj; | |
1360 | if (!dynobj) | |
1361 | hppa_info->root.dynobj = dynobj = abfd; | |
1362 | ||
3496cb2a L |
1363 | stub = bfd_make_section_with_flags (dynobj, ".stub", |
1364 | (SEC_ALLOC | SEC_LOAD | |
1365 | | SEC_HAS_CONTENTS | |
1366 | | SEC_IN_MEMORY | |
1367 | | SEC_READONLY | |
1368 | | SEC_LINKER_CREATED)); | |
15bda425 | 1369 | if (!stub |
15bda425 JL |
1370 | || !bfd_set_section_alignment (abfd, stub, 3)) |
1371 | { | |
1372 | BFD_ASSERT (0); | |
b34976b6 | 1373 | return FALSE; |
15bda425 JL |
1374 | } |
1375 | ||
1376 | hppa_info->stub_sec = stub; | |
1377 | } | |
1378 | ||
b34976b6 | 1379 | return TRUE; |
15bda425 JL |
1380 | } |
1381 | ||
1382 | /* Create sections necessary for dynamic linking. This is only a rough | |
1383 | cut and will likely change as we learn more about the somewhat | |
1384 | unusual dynamic linking scheme HP uses. | |
1385 | ||
1386 | .stub: | |
1387 | Contains code to implement cross-space calls. The first time one | |
1388 | of the stubs is used it will call into the dynamic linker, later | |
1389 | calls will go straight to the target. | |
1390 | ||
1391 | The only stub we support right now looks like | |
1392 | ||
1393 | ldd OFFSET(%dp),%r1 | |
1394 | bve %r0(%r1) | |
1395 | ldd OFFSET+8(%dp),%dp | |
1396 | ||
1397 | Other stubs may be needed in the future. We may want the remove | |
1398 | the break/nop instruction. It is only used right now to keep the | |
1399 | offset of a .plt entry and a .stub entry in sync. | |
1400 | ||
1401 | .dlt: | |
1402 | This is what most people call the .got. HP used a different name. | |
1403 | Losers. | |
1404 | ||
1405 | .rela.dlt: | |
1406 | Relocations for the DLT. | |
1407 | ||
1408 | .plt: | |
1409 | Function pointers as address,gp pairs. | |
1410 | ||
1411 | .rela.plt: | |
1412 | Should contain dynamic IPLT (and EPLT?) relocations. | |
1413 | ||
1414 | .opd: | |
fe8bc63d | 1415 | FPTRS |
15bda425 JL |
1416 | |
1417 | .rela.opd: | |
1418 | EPLT relocations for symbols exported from shared libraries. */ | |
1419 | ||
b34976b6 | 1420 | static bfd_boolean |
15bda425 JL |
1421 | elf64_hppa_create_dynamic_sections (abfd, info) |
1422 | bfd *abfd; | |
1423 | struct bfd_link_info *info; | |
1424 | { | |
1425 | asection *s; | |
1426 | ||
1427 | if (! get_stub (abfd, info, elf64_hppa_hash_table (info))) | |
b34976b6 | 1428 | return FALSE; |
15bda425 JL |
1429 | |
1430 | if (! get_dlt (abfd, info, elf64_hppa_hash_table (info))) | |
b34976b6 | 1431 | return FALSE; |
15bda425 JL |
1432 | |
1433 | if (! get_plt (abfd, info, elf64_hppa_hash_table (info))) | |
b34976b6 | 1434 | return FALSE; |
15bda425 JL |
1435 | |
1436 | if (! get_opd (abfd, info, elf64_hppa_hash_table (info))) | |
b34976b6 | 1437 | return FALSE; |
15bda425 | 1438 | |
3496cb2a L |
1439 | s = bfd_make_section_with_flags (abfd, ".rela.dlt", |
1440 | (SEC_ALLOC | SEC_LOAD | |
1441 | | SEC_HAS_CONTENTS | |
1442 | | SEC_IN_MEMORY | |
1443 | | SEC_READONLY | |
1444 | | SEC_LINKER_CREATED)); | |
15bda425 | 1445 | if (s == NULL |
15bda425 | 1446 | || !bfd_set_section_alignment (abfd, s, 3)) |
b34976b6 | 1447 | return FALSE; |
15bda425 JL |
1448 | elf64_hppa_hash_table (info)->dlt_rel_sec = s; |
1449 | ||
3496cb2a L |
1450 | s = bfd_make_section_with_flags (abfd, ".rela.plt", |
1451 | (SEC_ALLOC | SEC_LOAD | |
1452 | | SEC_HAS_CONTENTS | |
1453 | | SEC_IN_MEMORY | |
1454 | | SEC_READONLY | |
1455 | | SEC_LINKER_CREATED)); | |
15bda425 | 1456 | if (s == NULL |
15bda425 | 1457 | || !bfd_set_section_alignment (abfd, s, 3)) |
b34976b6 | 1458 | return FALSE; |
15bda425 JL |
1459 | elf64_hppa_hash_table (info)->plt_rel_sec = s; |
1460 | ||
3496cb2a L |
1461 | s = bfd_make_section_with_flags (abfd, ".rela.data", |
1462 | (SEC_ALLOC | SEC_LOAD | |
1463 | | SEC_HAS_CONTENTS | |
1464 | | SEC_IN_MEMORY | |
1465 | | SEC_READONLY | |
1466 | | SEC_LINKER_CREATED)); | |
15bda425 | 1467 | if (s == NULL |
15bda425 | 1468 | || !bfd_set_section_alignment (abfd, s, 3)) |
b34976b6 | 1469 | return FALSE; |
15bda425 JL |
1470 | elf64_hppa_hash_table (info)->other_rel_sec = s; |
1471 | ||
3496cb2a L |
1472 | s = bfd_make_section_with_flags (abfd, ".rela.opd", |
1473 | (SEC_ALLOC | SEC_LOAD | |
1474 | | SEC_HAS_CONTENTS | |
1475 | | SEC_IN_MEMORY | |
1476 | | SEC_READONLY | |
1477 | | SEC_LINKER_CREATED)); | |
15bda425 | 1478 | if (s == NULL |
15bda425 | 1479 | || !bfd_set_section_alignment (abfd, s, 3)) |
b34976b6 | 1480 | return FALSE; |
15bda425 JL |
1481 | elf64_hppa_hash_table (info)->opd_rel_sec = s; |
1482 | ||
b34976b6 | 1483 | return TRUE; |
15bda425 JL |
1484 | } |
1485 | ||
1486 | /* Allocate dynamic relocations for those symbols that turned out | |
1487 | to be dynamic. */ | |
1488 | ||
b34976b6 | 1489 | static bfd_boolean |
15bda425 JL |
1490 | allocate_dynrel_entries (dyn_h, data) |
1491 | struct elf64_hppa_dyn_hash_entry *dyn_h; | |
1492 | PTR data; | |
1493 | { | |
1494 | struct elf64_hppa_allocate_data *x = (struct elf64_hppa_allocate_data *)data; | |
1495 | struct elf64_hppa_link_hash_table *hppa_info; | |
1496 | struct elf64_hppa_dyn_reloc_entry *rent; | |
b34976b6 | 1497 | bfd_boolean dynamic_symbol, shared; |
15bda425 JL |
1498 | |
1499 | hppa_info = elf64_hppa_hash_table (x->info); | |
1500 | dynamic_symbol = elf64_hppa_dynamic_symbol_p (dyn_h->h, x->info); | |
1501 | shared = x->info->shared; | |
1502 | ||
1503 | /* We may need to allocate relocations for a non-dynamic symbol | |
1504 | when creating a shared library. */ | |
1505 | if (!dynamic_symbol && !shared) | |
b34976b6 | 1506 | return TRUE; |
15bda425 JL |
1507 | |
1508 | /* Take care of the normal data relocations. */ | |
1509 | ||
1510 | for (rent = dyn_h->reloc_entries; rent; rent = rent->next) | |
1511 | { | |
d663e1cd JL |
1512 | /* Allocate one iff we are building a shared library, the relocation |
1513 | isn't a R_PARISC_FPTR64, or we don't want an opd entry. */ | |
1514 | if (!shared && rent->type == R_PARISC_FPTR64 && dyn_h->want_opd) | |
1515 | continue; | |
1516 | ||
eea6121a | 1517 | hppa_info->other_rel_sec->size += sizeof (Elf64_External_Rela); |
15bda425 JL |
1518 | |
1519 | /* Make sure this symbol gets into the dynamic symbol table if it is | |
1520 | not already recorded. ?!? This should not be in the loop since | |
1521 | the symbol need only be added once. */ | |
47b7c2db AM |
1522 | if (dyn_h->h == 0 |
1523 | || (dyn_h->h->dynindx == -1 && dyn_h->h->type != STT_PARISC_MILLI)) | |
c152c796 | 1524 | if (!bfd_elf_link_record_local_dynamic_symbol |
15bda425 | 1525 | (x->info, rent->sec->owner, dyn_h->sym_indx)) |
b34976b6 | 1526 | return FALSE; |
15bda425 JL |
1527 | } |
1528 | ||
1529 | /* Take care of the GOT and PLT relocations. */ | |
1530 | ||
1531 | if ((dynamic_symbol || shared) && dyn_h->want_dlt) | |
eea6121a | 1532 | hppa_info->dlt_rel_sec->size += sizeof (Elf64_External_Rela); |
15bda425 JL |
1533 | |
1534 | /* If we are building a shared library, then every symbol that has an | |
1535 | opd entry will need an EPLT relocation to relocate the symbol's address | |
1536 | and __gp value based on the runtime load address. */ | |
1537 | if (shared && dyn_h->want_opd) | |
eea6121a | 1538 | hppa_info->opd_rel_sec->size += sizeof (Elf64_External_Rela); |
15bda425 JL |
1539 | |
1540 | if (dyn_h->want_plt && dynamic_symbol) | |
1541 | { | |
1542 | bfd_size_type t = 0; | |
1543 | ||
1544 | /* Dynamic symbols get one IPLT relocation. Local symbols in | |
1545 | shared libraries get two REL relocations. Local symbols in | |
1546 | main applications get nothing. */ | |
1547 | if (dynamic_symbol) | |
1548 | t = sizeof (Elf64_External_Rela); | |
1549 | else if (shared) | |
1550 | t = 2 * sizeof (Elf64_External_Rela); | |
1551 | ||
eea6121a | 1552 | hppa_info->plt_rel_sec->size += t; |
15bda425 JL |
1553 | } |
1554 | ||
b34976b6 | 1555 | return TRUE; |
15bda425 JL |
1556 | } |
1557 | ||
1558 | /* Adjust a symbol defined by a dynamic object and referenced by a | |
1559 | regular object. */ | |
1560 | ||
b34976b6 | 1561 | static bfd_boolean |
15bda425 | 1562 | elf64_hppa_adjust_dynamic_symbol (info, h) |
edd21aca | 1563 | struct bfd_link_info *info ATTRIBUTE_UNUSED; |
15bda425 JL |
1564 | struct elf_link_hash_entry *h; |
1565 | { | |
1566 | /* ??? Undefined symbols with PLT entries should be re-defined | |
1567 | to be the PLT entry. */ | |
1568 | ||
1569 | /* If this is a weak symbol, and there is a real definition, the | |
1570 | processor independent code will have arranged for us to see the | |
1571 | real definition first, and we can just use the same value. */ | |
f6e332e6 | 1572 | if (h->u.weakdef != NULL) |
15bda425 | 1573 | { |
f6e332e6 AM |
1574 | BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined |
1575 | || h->u.weakdef->root.type == bfd_link_hash_defweak); | |
1576 | h->root.u.def.section = h->u.weakdef->root.u.def.section; | |
1577 | h->root.u.def.value = h->u.weakdef->root.u.def.value; | |
b34976b6 | 1578 | return TRUE; |
15bda425 JL |
1579 | } |
1580 | ||
1581 | /* If this is a reference to a symbol defined by a dynamic object which | |
1582 | is not a function, we might allocate the symbol in our .dynbss section | |
1583 | and allocate a COPY dynamic relocation. | |
1584 | ||
1585 | But PA64 code is canonically PIC, so as a rule we can avoid this sort | |
1586 | of hackery. */ | |
1587 | ||
b34976b6 | 1588 | return TRUE; |
15bda425 JL |
1589 | } |
1590 | ||
47b7c2db AM |
1591 | /* This function is called via elf_link_hash_traverse to mark millicode |
1592 | symbols with a dynindx of -1 and to remove the string table reference | |
1593 | from the dynamic symbol table. If the symbol is not a millicode symbol, | |
1594 | elf64_hppa_mark_exported_functions is called. */ | |
1595 | ||
b34976b6 | 1596 | static bfd_boolean |
47b7c2db AM |
1597 | elf64_hppa_mark_milli_and_exported_functions (h, data) |
1598 | struct elf_link_hash_entry *h; | |
1599 | PTR data; | |
1600 | { | |
1601 | struct bfd_link_info *info = (struct bfd_link_info *)data; | |
1602 | struct elf_link_hash_entry *elf = h; | |
1603 | ||
1604 | if (elf->root.type == bfd_link_hash_warning) | |
1605 | elf = (struct elf_link_hash_entry *) elf->root.u.i.link; | |
1606 | ||
1607 | if (elf->type == STT_PARISC_MILLI) | |
1608 | { | |
1609 | if (elf->dynindx != -1) | |
1610 | { | |
1611 | elf->dynindx = -1; | |
1612 | _bfd_elf_strtab_delref (elf_hash_table (info)->dynstr, | |
1613 | elf->dynstr_index); | |
1614 | } | |
b34976b6 | 1615 | return TRUE; |
47b7c2db AM |
1616 | } |
1617 | ||
1618 | return elf64_hppa_mark_exported_functions (h, data); | |
1619 | } | |
1620 | ||
15bda425 JL |
1621 | /* Set the final sizes of the dynamic sections and allocate memory for |
1622 | the contents of our special sections. */ | |
1623 | ||
b34976b6 | 1624 | static bfd_boolean |
15bda425 JL |
1625 | elf64_hppa_size_dynamic_sections (output_bfd, info) |
1626 | bfd *output_bfd; | |
1627 | struct bfd_link_info *info; | |
1628 | { | |
1629 | bfd *dynobj; | |
1630 | asection *s; | |
b34976b6 AM |
1631 | bfd_boolean plt; |
1632 | bfd_boolean relocs; | |
1633 | bfd_boolean reltext; | |
15bda425 JL |
1634 | struct elf64_hppa_allocate_data data; |
1635 | struct elf64_hppa_link_hash_table *hppa_info; | |
1636 | ||
1637 | hppa_info = elf64_hppa_hash_table (info); | |
1638 | ||
1639 | dynobj = elf_hash_table (info)->dynobj; | |
1640 | BFD_ASSERT (dynobj != NULL); | |
1641 | ||
47b7c2db AM |
1642 | /* Mark each function this program exports so that we will allocate |
1643 | space in the .opd section for each function's FPTR. If we are | |
1644 | creating dynamic sections, change the dynamic index of millicode | |
1645 | symbols to -1 and remove them from the string table for .dynstr. | |
1646 | ||
1647 | We have to traverse the main linker hash table since we have to | |
1648 | find functions which may not have been mentioned in any relocs. */ | |
1649 | elf_link_hash_traverse (elf_hash_table (info), | |
1650 | (elf_hash_table (info)->dynamic_sections_created | |
1651 | ? elf64_hppa_mark_milli_and_exported_functions | |
1652 | : elf64_hppa_mark_exported_functions), | |
1653 | info); | |
1654 | ||
15bda425 JL |
1655 | if (elf_hash_table (info)->dynamic_sections_created) |
1656 | { | |
1657 | /* Set the contents of the .interp section to the interpreter. */ | |
893c4fe2 | 1658 | if (info->executable) |
15bda425 JL |
1659 | { |
1660 | s = bfd_get_section_by_name (dynobj, ".interp"); | |
1661 | BFD_ASSERT (s != NULL); | |
eea6121a | 1662 | s->size = sizeof ELF_DYNAMIC_INTERPRETER; |
15bda425 JL |
1663 | s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER; |
1664 | } | |
1665 | } | |
1666 | else | |
1667 | { | |
1668 | /* We may have created entries in the .rela.got section. | |
1669 | However, if we are not creating the dynamic sections, we will | |
1670 | not actually use these entries. Reset the size of .rela.dlt, | |
1671 | which will cause it to get stripped from the output file | |
1672 | below. */ | |
1673 | s = bfd_get_section_by_name (dynobj, ".rela.dlt"); | |
1674 | if (s != NULL) | |
eea6121a | 1675 | s->size = 0; |
15bda425 JL |
1676 | } |
1677 | ||
1678 | /* Allocate the GOT entries. */ | |
1679 | ||
1680 | data.info = info; | |
1681 | if (elf64_hppa_hash_table (info)->dlt_sec) | |
1682 | { | |
1683 | data.ofs = 0x0; | |
1684 | elf64_hppa_dyn_hash_traverse (&hppa_info->dyn_hash_table, | |
1685 | allocate_global_data_dlt, &data); | |
eea6121a | 1686 | hppa_info->dlt_sec->size = data.ofs; |
15bda425 JL |
1687 | |
1688 | data.ofs = 0x0; | |
1689 | elf64_hppa_dyn_hash_traverse (&hppa_info->dyn_hash_table, | |
1690 | allocate_global_data_plt, &data); | |
eea6121a | 1691 | hppa_info->plt_sec->size = data.ofs; |
15bda425 JL |
1692 | |
1693 | data.ofs = 0x0; | |
1694 | elf64_hppa_dyn_hash_traverse (&hppa_info->dyn_hash_table, | |
1695 | allocate_global_data_stub, &data); | |
eea6121a | 1696 | hppa_info->stub_sec->size = data.ofs; |
15bda425 JL |
1697 | } |
1698 | ||
15bda425 JL |
1699 | /* Allocate space for entries in the .opd section. */ |
1700 | if (elf64_hppa_hash_table (info)->opd_sec) | |
1701 | { | |
1702 | data.ofs = 0; | |
1703 | elf64_hppa_dyn_hash_traverse (&hppa_info->dyn_hash_table, | |
1704 | allocate_global_data_opd, &data); | |
eea6121a | 1705 | hppa_info->opd_sec->size = data.ofs; |
15bda425 JL |
1706 | } |
1707 | ||
1708 | /* Now allocate space for dynamic relocations, if necessary. */ | |
1709 | if (hppa_info->root.dynamic_sections_created) | |
1710 | elf64_hppa_dyn_hash_traverse (&hppa_info->dyn_hash_table, | |
1711 | allocate_dynrel_entries, &data); | |
1712 | ||
1713 | /* The sizes of all the sections are set. Allocate memory for them. */ | |
b34976b6 AM |
1714 | plt = FALSE; |
1715 | relocs = FALSE; | |
1716 | reltext = FALSE; | |
15bda425 JL |
1717 | for (s = dynobj->sections; s != NULL; s = s->next) |
1718 | { | |
1719 | const char *name; | |
15bda425 JL |
1720 | |
1721 | if ((s->flags & SEC_LINKER_CREATED) == 0) | |
1722 | continue; | |
1723 | ||
1724 | /* It's OK to base decisions on the section name, because none | |
1725 | of the dynobj section names depend upon the input files. */ | |
1726 | name = bfd_get_section_name (dynobj, s); | |
1727 | ||
15bda425 JL |
1728 | if (strcmp (name, ".plt") == 0) |
1729 | { | |
c456f082 AM |
1730 | /* Remember whether there is a PLT. */ |
1731 | plt = s->size != 0; | |
15bda425 | 1732 | } |
c456f082 | 1733 | else if (strcmp (name, ".opd") == 0 |
0112cd26 | 1734 | || CONST_STRNEQ (name, ".dlt") |
c456f082 AM |
1735 | || strcmp (name, ".stub") == 0 |
1736 | || strcmp (name, ".got") == 0) | |
15bda425 | 1737 | { |
d663e1cd | 1738 | /* Strip this section if we don't need it; see the comment below. */ |
15bda425 | 1739 | } |
0112cd26 | 1740 | else if (CONST_STRNEQ (name, ".rela")) |
15bda425 | 1741 | { |
c456f082 | 1742 | if (s->size != 0) |
15bda425 JL |
1743 | { |
1744 | asection *target; | |
1745 | ||
1746 | /* Remember whether there are any reloc sections other | |
1747 | than .rela.plt. */ | |
1748 | if (strcmp (name, ".rela.plt") != 0) | |
1749 | { | |
1750 | const char *outname; | |
1751 | ||
b34976b6 | 1752 | relocs = TRUE; |
15bda425 JL |
1753 | |
1754 | /* If this relocation section applies to a read only | |
1755 | section, then we probably need a DT_TEXTREL | |
1756 | entry. The entries in the .rela.plt section | |
1757 | really apply to the .got section, which we | |
1758 | created ourselves and so know is not readonly. */ | |
1759 | outname = bfd_get_section_name (output_bfd, | |
1760 | s->output_section); | |
1761 | target = bfd_get_section_by_name (output_bfd, outname + 4); | |
1762 | if (target != NULL | |
1763 | && (target->flags & SEC_READONLY) != 0 | |
1764 | && (target->flags & SEC_ALLOC) != 0) | |
b34976b6 | 1765 | reltext = TRUE; |
15bda425 JL |
1766 | } |
1767 | ||
1768 | /* We use the reloc_count field as a counter if we need | |
1769 | to copy relocs into the output file. */ | |
1770 | s->reloc_count = 0; | |
1771 | } | |
1772 | } | |
c456f082 | 1773 | else |
15bda425 JL |
1774 | { |
1775 | /* It's not one of our sections, so don't allocate space. */ | |
1776 | continue; | |
1777 | } | |
1778 | ||
c456f082 | 1779 | if (s->size == 0) |
15bda425 | 1780 | { |
c456f082 AM |
1781 | /* If we don't need this section, strip it from the |
1782 | output file. This is mostly to handle .rela.bss and | |
1783 | .rela.plt. We must create both sections in | |
1784 | create_dynamic_sections, because they must be created | |
1785 | before the linker maps input sections to output | |
1786 | sections. The linker does that before | |
1787 | adjust_dynamic_symbol is called, and it is that | |
1788 | function which decides whether anything needs to go | |
1789 | into these sections. */ | |
8423293d | 1790 | s->flags |= SEC_EXCLUDE; |
15bda425 JL |
1791 | continue; |
1792 | } | |
1793 | ||
c456f082 AM |
1794 | if ((s->flags & SEC_HAS_CONTENTS) == 0) |
1795 | continue; | |
1796 | ||
15bda425 | 1797 | /* Allocate memory for the section contents if it has not |
832d951b AM |
1798 | been allocated already. We use bfd_zalloc here in case |
1799 | unused entries are not reclaimed before the section's | |
1800 | contents are written out. This should not happen, but this | |
1801 | way if it does, we get a R_PARISC_NONE reloc instead of | |
1802 | garbage. */ | |
15bda425 JL |
1803 | if (s->contents == NULL) |
1804 | { | |
eea6121a | 1805 | s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size); |
c456f082 | 1806 | if (s->contents == NULL) |
b34976b6 | 1807 | return FALSE; |
15bda425 JL |
1808 | } |
1809 | } | |
1810 | ||
1811 | if (elf_hash_table (info)->dynamic_sections_created) | |
1812 | { | |
1813 | /* Always create a DT_PLTGOT. It actually has nothing to do with | |
1814 | the PLT, it is how we communicate the __gp value of a load | |
1815 | module to the dynamic linker. */ | |
dc810e39 | 1816 | #define add_dynamic_entry(TAG, VAL) \ |
5a580b3a | 1817 | _bfd_elf_add_dynamic_entry (info, TAG, VAL) |
dc810e39 AM |
1818 | |
1819 | if (!add_dynamic_entry (DT_HP_DLD_FLAGS, 0) | |
1820 | || !add_dynamic_entry (DT_PLTGOT, 0)) | |
b34976b6 | 1821 | return FALSE; |
15bda425 JL |
1822 | |
1823 | /* Add some entries to the .dynamic section. We fill in the | |
1824 | values later, in elf64_hppa_finish_dynamic_sections, but we | |
1825 | must add the entries now so that we get the correct size for | |
1826 | the .dynamic section. The DT_DEBUG entry is filled in by the | |
1827 | dynamic linker and used by the debugger. */ | |
1828 | if (! info->shared) | |
1829 | { | |
dc810e39 AM |
1830 | if (!add_dynamic_entry (DT_DEBUG, 0) |
1831 | || !add_dynamic_entry (DT_HP_DLD_HOOK, 0) | |
1832 | || !add_dynamic_entry (DT_HP_LOAD_MAP, 0)) | |
b34976b6 | 1833 | return FALSE; |
15bda425 JL |
1834 | } |
1835 | ||
f2482cb2 NC |
1836 | /* Force DT_FLAGS to always be set. |
1837 | Required by HPUX 11.00 patch PHSS_26559. */ | |
1838 | if (!add_dynamic_entry (DT_FLAGS, (info)->flags)) | |
b34976b6 | 1839 | return FALSE; |
f2482cb2 | 1840 | |
15bda425 JL |
1841 | if (plt) |
1842 | { | |
dc810e39 AM |
1843 | if (!add_dynamic_entry (DT_PLTRELSZ, 0) |
1844 | || !add_dynamic_entry (DT_PLTREL, DT_RELA) | |
1845 | || !add_dynamic_entry (DT_JMPREL, 0)) | |
b34976b6 | 1846 | return FALSE; |
15bda425 JL |
1847 | } |
1848 | ||
1849 | if (relocs) | |
1850 | { | |
dc810e39 AM |
1851 | if (!add_dynamic_entry (DT_RELA, 0) |
1852 | || !add_dynamic_entry (DT_RELASZ, 0) | |
1853 | || !add_dynamic_entry (DT_RELAENT, sizeof (Elf64_External_Rela))) | |
b34976b6 | 1854 | return FALSE; |
15bda425 JL |
1855 | } |
1856 | ||
1857 | if (reltext) | |
1858 | { | |
dc810e39 | 1859 | if (!add_dynamic_entry (DT_TEXTREL, 0)) |
b34976b6 | 1860 | return FALSE; |
d6cf2879 | 1861 | info->flags |= DF_TEXTREL; |
15bda425 JL |
1862 | } |
1863 | } | |
dc810e39 | 1864 | #undef add_dynamic_entry |
15bda425 | 1865 | |
b34976b6 | 1866 | return TRUE; |
15bda425 JL |
1867 | } |
1868 | ||
1869 | /* Called after we have output the symbol into the dynamic symbol | |
1870 | table, but before we output the symbol into the normal symbol | |
1871 | table. | |
1872 | ||
1873 | For some symbols we had to change their address when outputting | |
1874 | the dynamic symbol table. We undo that change here so that | |
1875 | the symbols have their expected value in the normal symbol | |
1876 | table. Ick. */ | |
1877 | ||
b34976b6 | 1878 | static bfd_boolean |
754021d0 | 1879 | elf64_hppa_link_output_symbol_hook (info, name, sym, input_sec, h) |
15bda425 JL |
1880 | struct bfd_link_info *info; |
1881 | const char *name; | |
1882 | Elf_Internal_Sym *sym; | |
edd21aca | 1883 | asection *input_sec ATTRIBUTE_UNUSED; |
754021d0 | 1884 | struct elf_link_hash_entry *h; |
15bda425 JL |
1885 | { |
1886 | struct elf64_hppa_link_hash_table *hppa_info; | |
1887 | struct elf64_hppa_dyn_hash_entry *dyn_h; | |
1888 | ||
1889 | /* We may be called with the file symbol or section symbols. | |
1890 | They never need munging, so it is safe to ignore them. */ | |
1891 | if (!name) | |
b34976b6 | 1892 | return TRUE; |
15bda425 JL |
1893 | |
1894 | /* Get the PA dyn_symbol (if any) associated with NAME. */ | |
1895 | hppa_info = elf64_hppa_hash_table (info); | |
1896 | dyn_h = elf64_hppa_dyn_hash_lookup (&hppa_info->dyn_hash_table, | |
b34976b6 | 1897 | name, FALSE, FALSE); |
ac7bbf74 | 1898 | if (!dyn_h || dyn_h->h != h) |
754021d0 | 1899 | return TRUE; |
15bda425 | 1900 | |
832d951b AM |
1901 | /* Function symbols for which we created .opd entries *may* have been |
1902 | munged by finish_dynamic_symbol and have to be un-munged here. | |
1903 | ||
1904 | Note that finish_dynamic_symbol sometimes turns dynamic symbols | |
1905 | into non-dynamic ones, so we initialize st_shndx to -1 in | |
1906 | mark_exported_functions and check to see if it was overwritten | |
1907 | here instead of just checking dyn_h->h->dynindx. */ | |
ac7bbf74 | 1908 | if (dyn_h->want_opd && dyn_h->st_shndx != -1) |
15bda425 JL |
1909 | { |
1910 | /* Restore the saved value and section index. */ | |
1911 | sym->st_value = dyn_h->st_value; | |
fe8bc63d | 1912 | sym->st_shndx = dyn_h->st_shndx; |
15bda425 JL |
1913 | } |
1914 | ||
b34976b6 | 1915 | return TRUE; |
15bda425 JL |
1916 | } |
1917 | ||
1918 | /* Finish up dynamic symbol handling. We set the contents of various | |
1919 | dynamic sections here. */ | |
1920 | ||
b34976b6 | 1921 | static bfd_boolean |
15bda425 JL |
1922 | elf64_hppa_finish_dynamic_symbol (output_bfd, info, h, sym) |
1923 | bfd *output_bfd; | |
1924 | struct bfd_link_info *info; | |
1925 | struct elf_link_hash_entry *h; | |
1926 | Elf_Internal_Sym *sym; | |
1927 | { | |
1928 | asection *stub, *splt, *sdlt, *sopd, *spltrel, *sdltrel; | |
1929 | struct elf64_hppa_link_hash_table *hppa_info; | |
1930 | struct elf64_hppa_dyn_hash_entry *dyn_h; | |
1931 | ||
1932 | hppa_info = elf64_hppa_hash_table (info); | |
1933 | dyn_h = elf64_hppa_dyn_hash_lookup (&hppa_info->dyn_hash_table, | |
b34976b6 | 1934 | h->root.root.string, FALSE, FALSE); |
15bda425 JL |
1935 | |
1936 | stub = hppa_info->stub_sec; | |
1937 | splt = hppa_info->plt_sec; | |
1938 | sdlt = hppa_info->dlt_sec; | |
1939 | sopd = hppa_info->opd_sec; | |
1940 | spltrel = hppa_info->plt_rel_sec; | |
1941 | sdltrel = hppa_info->dlt_rel_sec; | |
1942 | ||
15bda425 JL |
1943 | /* Incredible. It is actually necessary to NOT use the symbol's real |
1944 | value when building the dynamic symbol table for a shared library. | |
1945 | At least for symbols that refer to functions. | |
1946 | ||
1947 | We will store a new value and section index into the symbol long | |
1948 | enough to output it into the dynamic symbol table, then we restore | |
1949 | the original values (in elf64_hppa_link_output_symbol_hook). */ | |
1950 | if (dyn_h && dyn_h->want_opd) | |
1951 | { | |
f12123c0 | 1952 | BFD_ASSERT (sopd != NULL); |
d663e1cd | 1953 | |
15bda425 JL |
1954 | /* Save away the original value and section index so that we |
1955 | can restore them later. */ | |
1956 | dyn_h->st_value = sym->st_value; | |
1957 | dyn_h->st_shndx = sym->st_shndx; | |
1958 | ||
1959 | /* For the dynamic symbol table entry, we want the value to be | |
1960 | address of this symbol's entry within the .opd section. */ | |
1961 | sym->st_value = (dyn_h->opd_offset | |
1962 | + sopd->output_offset | |
1963 | + sopd->output_section->vma); | |
1964 | sym->st_shndx = _bfd_elf_section_from_bfd_section (output_bfd, | |
1965 | sopd->output_section); | |
1966 | } | |
1967 | ||
1968 | /* Initialize a .plt entry if requested. */ | |
1969 | if (dyn_h && dyn_h->want_plt | |
1970 | && elf64_hppa_dynamic_symbol_p (dyn_h->h, info)) | |
1971 | { | |
1972 | bfd_vma value; | |
1973 | Elf_Internal_Rela rel; | |
947216bf | 1974 | bfd_byte *loc; |
15bda425 | 1975 | |
f12123c0 | 1976 | BFD_ASSERT (splt != NULL && spltrel != NULL); |
d663e1cd | 1977 | |
15bda425 JL |
1978 | /* We do not actually care about the value in the PLT entry |
1979 | if we are creating a shared library and the symbol is | |
1980 | still undefined, we create a dynamic relocation to fill | |
1981 | in the correct value. */ | |
1982 | if (info->shared && h->root.type == bfd_link_hash_undefined) | |
1983 | value = 0; | |
1984 | else | |
1985 | value = (h->root.u.def.value + h->root.u.def.section->vma); | |
1986 | ||
fe8bc63d | 1987 | /* Fill in the entry in the procedure linkage table. |
15bda425 JL |
1988 | |
1989 | The format of a plt entry is | |
fe8bc63d | 1990 | <funcaddr> <__gp>. |
15bda425 JL |
1991 | |
1992 | plt_offset is the offset within the PLT section at which to | |
fe8bc63d | 1993 | install the PLT entry. |
15bda425 JL |
1994 | |
1995 | We are modifying the in-memory PLT contents here, so we do not add | |
1996 | in the output_offset of the PLT section. */ | |
1997 | ||
1998 | bfd_put_64 (splt->owner, value, splt->contents + dyn_h->plt_offset); | |
1999 | value = _bfd_get_gp_value (splt->output_section->owner); | |
2000 | bfd_put_64 (splt->owner, value, splt->contents + dyn_h->plt_offset + 0x8); | |
2001 | ||
2002 | /* Create a dynamic IPLT relocation for this entry. | |
2003 | ||
2004 | We are creating a relocation in the output file's PLT section, | |
2005 | which is included within the DLT secton. So we do need to include | |
2006 | the PLT's output_offset in the computation of the relocation's | |
2007 | address. */ | |
2008 | rel.r_offset = (dyn_h->plt_offset + splt->output_offset | |
2009 | + splt->output_section->vma); | |
2010 | rel.r_info = ELF64_R_INFO (h->dynindx, R_PARISC_IPLT); | |
2011 | rel.r_addend = 0; | |
2012 | ||
947216bf AM |
2013 | loc = spltrel->contents; |
2014 | loc += spltrel->reloc_count++ * sizeof (Elf64_External_Rela); | |
2015 | bfd_elf64_swap_reloca_out (splt->output_section->owner, &rel, loc); | |
15bda425 JL |
2016 | } |
2017 | ||
2018 | /* Initialize an external call stub entry if requested. */ | |
2019 | if (dyn_h && dyn_h->want_stub | |
2020 | && elf64_hppa_dynamic_symbol_p (dyn_h->h, info)) | |
2021 | { | |
2022 | bfd_vma value; | |
2023 | int insn; | |
b352eebf | 2024 | unsigned int max_offset; |
15bda425 | 2025 | |
f12123c0 | 2026 | BFD_ASSERT (stub != NULL); |
d663e1cd | 2027 | |
15bda425 JL |
2028 | /* Install the generic stub template. |
2029 | ||
2030 | We are modifying the contents of the stub section, so we do not | |
2031 | need to include the stub section's output_offset here. */ | |
2032 | memcpy (stub->contents + dyn_h->stub_offset, plt_stub, sizeof (plt_stub)); | |
2033 | ||
2034 | /* Fix up the first ldd instruction. | |
2035 | ||
2036 | We are modifying the contents of the STUB section in memory, | |
fe8bc63d | 2037 | so we do not need to include its output offset in this computation. |
15bda425 JL |
2038 | |
2039 | Note the plt_offset value is the value of the PLT entry relative to | |
2040 | the start of the PLT section. These instructions will reference | |
2041 | data relative to the value of __gp, which may not necessarily have | |
2042 | the same address as the start of the PLT section. | |
2043 | ||
2044 | gp_offset contains the offset of __gp within the PLT section. */ | |
2045 | value = dyn_h->plt_offset - hppa_info->gp_offset; | |
fe8bc63d | 2046 | |
15bda425 | 2047 | insn = bfd_get_32 (stub->owner, stub->contents + dyn_h->stub_offset); |
b352eebf AM |
2048 | if (output_bfd->arch_info->mach >= 25) |
2049 | { | |
2050 | /* Wide mode allows 16 bit offsets. */ | |
2051 | max_offset = 32768; | |
2052 | insn &= ~ 0xfff1; | |
dc810e39 | 2053 | insn |= re_assemble_16 ((int) value); |
b352eebf AM |
2054 | } |
2055 | else | |
2056 | { | |
2057 | max_offset = 8192; | |
2058 | insn &= ~ 0x3ff1; | |
dc810e39 | 2059 | insn |= re_assemble_14 ((int) value); |
b352eebf AM |
2060 | } |
2061 | ||
2062 | if ((value & 7) || value + max_offset >= 2*max_offset - 8) | |
2063 | { | |
2064 | (*_bfd_error_handler) (_("stub entry for %s cannot load .plt, dp offset = %ld"), | |
2065 | dyn_h->root.string, | |
2066 | (long) value); | |
b34976b6 | 2067 | return FALSE; |
b352eebf AM |
2068 | } |
2069 | ||
dc810e39 | 2070 | bfd_put_32 (stub->owner, (bfd_vma) insn, |
15bda425 JL |
2071 | stub->contents + dyn_h->stub_offset); |
2072 | ||
2073 | /* Fix up the second ldd instruction. */ | |
b352eebf | 2074 | value += 8; |
15bda425 | 2075 | insn = bfd_get_32 (stub->owner, stub->contents + dyn_h->stub_offset + 8); |
b352eebf AM |
2076 | if (output_bfd->arch_info->mach >= 25) |
2077 | { | |
2078 | insn &= ~ 0xfff1; | |
dc810e39 | 2079 | insn |= re_assemble_16 ((int) value); |
b352eebf AM |
2080 | } |
2081 | else | |
2082 | { | |
2083 | insn &= ~ 0x3ff1; | |
dc810e39 | 2084 | insn |= re_assemble_14 ((int) value); |
b352eebf | 2085 | } |
dc810e39 | 2086 | bfd_put_32 (stub->owner, (bfd_vma) insn, |
15bda425 JL |
2087 | stub->contents + dyn_h->stub_offset + 8); |
2088 | } | |
2089 | ||
b34976b6 | 2090 | return TRUE; |
15bda425 JL |
2091 | } |
2092 | ||
2093 | /* The .opd section contains FPTRs for each function this file | |
2094 | exports. Initialize the FPTR entries. */ | |
2095 | ||
b34976b6 | 2096 | static bfd_boolean |
15bda425 JL |
2097 | elf64_hppa_finalize_opd (dyn_h, data) |
2098 | struct elf64_hppa_dyn_hash_entry *dyn_h; | |
2099 | PTR data; | |
2100 | { | |
2101 | struct bfd_link_info *info = (struct bfd_link_info *)data; | |
2102 | struct elf64_hppa_link_hash_table *hppa_info; | |
3db4b612 | 2103 | struct elf_link_hash_entry *h = dyn_h ? dyn_h->h : NULL; |
15bda425 JL |
2104 | asection *sopd; |
2105 | asection *sopdrel; | |
2106 | ||
2107 | hppa_info = elf64_hppa_hash_table (info); | |
2108 | sopd = hppa_info->opd_sec; | |
2109 | sopdrel = hppa_info->opd_rel_sec; | |
2110 | ||
3db4b612 | 2111 | if (h && dyn_h->want_opd) |
15bda425 JL |
2112 | { |
2113 | bfd_vma value; | |
2114 | ||
fe8bc63d | 2115 | /* The first two words of an .opd entry are zero. |
15bda425 JL |
2116 | |
2117 | We are modifying the contents of the OPD section in memory, so we | |
2118 | do not need to include its output offset in this computation. */ | |
2119 | memset (sopd->contents + dyn_h->opd_offset, 0, 16); | |
2120 | ||
2121 | value = (h->root.u.def.value | |
2122 | + h->root.u.def.section->output_section->vma | |
2123 | + h->root.u.def.section->output_offset); | |
2124 | ||
2125 | /* The next word is the address of the function. */ | |
2126 | bfd_put_64 (sopd->owner, value, sopd->contents + dyn_h->opd_offset + 16); | |
2127 | ||
2128 | /* The last word is our local __gp value. */ | |
2129 | value = _bfd_get_gp_value (sopd->output_section->owner); | |
2130 | bfd_put_64 (sopd->owner, value, sopd->contents + dyn_h->opd_offset + 24); | |
2131 | } | |
2132 | ||
2133 | /* If we are generating a shared library, we must generate EPLT relocations | |
2134 | for each entry in the .opd, even for static functions (they may have | |
2135 | had their address taken). */ | |
2136 | if (info->shared && dyn_h && dyn_h->want_opd) | |
2137 | { | |
947216bf AM |
2138 | Elf_Internal_Rela rel; |
2139 | bfd_byte *loc; | |
15bda425 JL |
2140 | int dynindx; |
2141 | ||
2142 | /* We may need to do a relocation against a local symbol, in | |
2143 | which case we have to look up it's dynamic symbol index off | |
2144 | the local symbol hash table. */ | |
2145 | if (h && h->dynindx != -1) | |
2146 | dynindx = h->dynindx; | |
2147 | else | |
2148 | dynindx | |
2149 | = _bfd_elf_link_lookup_local_dynindx (info, dyn_h->owner, | |
2150 | dyn_h->sym_indx); | |
2151 | ||
2152 | /* The offset of this relocation is the absolute address of the | |
2153 | .opd entry for this symbol. */ | |
2154 | rel.r_offset = (dyn_h->opd_offset + sopd->output_offset | |
2155 | + sopd->output_section->vma); | |
2156 | ||
2157 | /* If H is non-null, then we have an external symbol. | |
2158 | ||
2159 | It is imperative that we use a different dynamic symbol for the | |
2160 | EPLT relocation if the symbol has global scope. | |
2161 | ||
2162 | In the dynamic symbol table, the function symbol will have a value | |
2163 | which is address of the function's .opd entry. | |
2164 | ||
2165 | Thus, we can not use that dynamic symbol for the EPLT relocation | |
2166 | (if we did, the data in the .opd would reference itself rather | |
2167 | than the actual address of the function). Instead we have to use | |
2168 | a new dynamic symbol which has the same value as the original global | |
fe8bc63d | 2169 | function symbol. |
15bda425 JL |
2170 | |
2171 | We prefix the original symbol with a "." and use the new symbol in | |
2172 | the EPLT relocation. This new symbol has already been recorded in | |
2173 | the symbol table, we just have to look it up and use it. | |
2174 | ||
2175 | We do not have such problems with static functions because we do | |
2176 | not make their addresses in the dynamic symbol table point to | |
2177 | the .opd entry. Ultimately this should be safe since a static | |
2178 | function can not be directly referenced outside of its shared | |
2179 | library. | |
2180 | ||
2181 | We do have to play similar games for FPTR relocations in shared | |
2182 | libraries, including those for static symbols. See the FPTR | |
2183 | handling in elf64_hppa_finalize_dynreloc. */ | |
2184 | if (h) | |
2185 | { | |
2186 | char *new_name; | |
2187 | struct elf_link_hash_entry *nh; | |
2188 | ||
2189 | new_name = alloca (strlen (h->root.root.string) + 2); | |
2190 | new_name[0] = '.'; | |
2191 | strcpy (new_name + 1, h->root.root.string); | |
2192 | ||
2193 | nh = elf_link_hash_lookup (elf_hash_table (info), | |
b34976b6 | 2194 | new_name, FALSE, FALSE, FALSE); |
15bda425 JL |
2195 | |
2196 | /* All we really want from the new symbol is its dynamic | |
2197 | symbol index. */ | |
2198 | dynindx = nh->dynindx; | |
2199 | } | |
2200 | ||
2201 | rel.r_addend = 0; | |
2202 | rel.r_info = ELF64_R_INFO (dynindx, R_PARISC_EPLT); | |
2203 | ||
947216bf AM |
2204 | loc = sopdrel->contents; |
2205 | loc += sopdrel->reloc_count++ * sizeof (Elf64_External_Rela); | |
2206 | bfd_elf64_swap_reloca_out (sopd->output_section->owner, &rel, loc); | |
15bda425 | 2207 | } |
b34976b6 | 2208 | return TRUE; |
15bda425 JL |
2209 | } |
2210 | ||
2211 | /* The .dlt section contains addresses for items referenced through the | |
2212 | dlt. Note that we can have a DLTIND relocation for a local symbol, thus | |
2213 | we can not depend on finish_dynamic_symbol to initialize the .dlt. */ | |
2214 | ||
b34976b6 | 2215 | static bfd_boolean |
15bda425 JL |
2216 | elf64_hppa_finalize_dlt (dyn_h, data) |
2217 | struct elf64_hppa_dyn_hash_entry *dyn_h; | |
2218 | PTR data; | |
2219 | { | |
2220 | struct bfd_link_info *info = (struct bfd_link_info *)data; | |
2221 | struct elf64_hppa_link_hash_table *hppa_info; | |
2222 | asection *sdlt, *sdltrel; | |
3db4b612 | 2223 | struct elf_link_hash_entry *h = dyn_h ? dyn_h->h : NULL; |
15bda425 JL |
2224 | |
2225 | hppa_info = elf64_hppa_hash_table (info); | |
2226 | ||
2227 | sdlt = hppa_info->dlt_sec; | |
2228 | sdltrel = hppa_info->dlt_rel_sec; | |
2229 | ||
2230 | /* H/DYN_H may refer to a local variable and we know it's | |
2231 | address, so there is no need to create a relocation. Just install | |
2232 | the proper value into the DLT, note this shortcut can not be | |
2233 | skipped when building a shared library. */ | |
3db4b612 | 2234 | if (! info->shared && h && dyn_h->want_dlt) |
15bda425 JL |
2235 | { |
2236 | bfd_vma value; | |
2237 | ||
2238 | /* If we had an LTOFF_FPTR style relocation we want the DLT entry | |
fe8bc63d | 2239 | to point to the FPTR entry in the .opd section. |
15bda425 JL |
2240 | |
2241 | We include the OPD's output offset in this computation as | |
2242 | we are referring to an absolute address in the resulting | |
2243 | object file. */ | |
2244 | if (dyn_h->want_opd) | |
2245 | { | |
2246 | value = (dyn_h->opd_offset | |
2247 | + hppa_info->opd_sec->output_offset | |
2248 | + hppa_info->opd_sec->output_section->vma); | |
2249 | } | |
37f4508b AM |
2250 | else if ((h->root.type == bfd_link_hash_defined |
2251 | || h->root.type == bfd_link_hash_defweak) | |
2252 | && h->root.u.def.section) | |
15bda425 | 2253 | { |
3db4b612 | 2254 | value = h->root.u.def.value + h->root.u.def.section->output_offset; |
15bda425 JL |
2255 | if (h->root.u.def.section->output_section) |
2256 | value += h->root.u.def.section->output_section->vma; | |
2257 | else | |
2258 | value += h->root.u.def.section->vma; | |
2259 | } | |
3db4b612 JL |
2260 | else |
2261 | /* We have an undefined function reference. */ | |
2262 | value = 0; | |
15bda425 JL |
2263 | |
2264 | /* We do not need to include the output offset of the DLT section | |
2265 | here because we are modifying the in-memory contents. */ | |
2266 | bfd_put_64 (sdlt->owner, value, sdlt->contents + dyn_h->dlt_offset); | |
2267 | } | |
2268 | ||
4cc11e76 | 2269 | /* Create a relocation for the DLT entry associated with this symbol. |
15bda425 JL |
2270 | When building a shared library the symbol does not have to be dynamic. */ |
2271 | if (dyn_h->want_dlt | |
2272 | && (elf64_hppa_dynamic_symbol_p (dyn_h->h, info) || info->shared)) | |
2273 | { | |
947216bf AM |
2274 | Elf_Internal_Rela rel; |
2275 | bfd_byte *loc; | |
15bda425 JL |
2276 | int dynindx; |
2277 | ||
2278 | /* We may need to do a relocation against a local symbol, in | |
2279 | which case we have to look up it's dynamic symbol index off | |
2280 | the local symbol hash table. */ | |
2281 | if (h && h->dynindx != -1) | |
2282 | dynindx = h->dynindx; | |
2283 | else | |
2284 | dynindx | |
2285 | = _bfd_elf_link_lookup_local_dynindx (info, dyn_h->owner, | |
2286 | dyn_h->sym_indx); | |
2287 | ||
15bda425 JL |
2288 | /* Create a dynamic relocation for this entry. Do include the output |
2289 | offset of the DLT entry since we need an absolute address in the | |
2290 | resulting object file. */ | |
2291 | rel.r_offset = (dyn_h->dlt_offset + sdlt->output_offset | |
2292 | + sdlt->output_section->vma); | |
2293 | if (h && h->type == STT_FUNC) | |
2294 | rel.r_info = ELF64_R_INFO (dynindx, R_PARISC_FPTR64); | |
2295 | else | |
2296 | rel.r_info = ELF64_R_INFO (dynindx, R_PARISC_DIR64); | |
2297 | rel.r_addend = 0; | |
2298 | ||
947216bf AM |
2299 | loc = sdltrel->contents; |
2300 | loc += sdltrel->reloc_count++ * sizeof (Elf64_External_Rela); | |
2301 | bfd_elf64_swap_reloca_out (sdlt->output_section->owner, &rel, loc); | |
15bda425 | 2302 | } |
b34976b6 | 2303 | return TRUE; |
15bda425 JL |
2304 | } |
2305 | ||
2306 | /* Finalize the dynamic relocations. Specifically the FPTR relocations | |
2307 | for dynamic functions used to initialize static data. */ | |
2308 | ||
b34976b6 | 2309 | static bfd_boolean |
15bda425 JL |
2310 | elf64_hppa_finalize_dynreloc (dyn_h, data) |
2311 | struct elf64_hppa_dyn_hash_entry *dyn_h; | |
2312 | PTR data; | |
2313 | { | |
2314 | struct bfd_link_info *info = (struct bfd_link_info *)data; | |
2315 | struct elf64_hppa_link_hash_table *hppa_info; | |
2316 | struct elf_link_hash_entry *h; | |
2317 | int dynamic_symbol; | |
2318 | ||
2319 | dynamic_symbol = elf64_hppa_dynamic_symbol_p (dyn_h->h, info); | |
2320 | ||
2321 | if (!dynamic_symbol && !info->shared) | |
b34976b6 | 2322 | return TRUE; |
15bda425 JL |
2323 | |
2324 | if (dyn_h->reloc_entries) | |
2325 | { | |
2326 | struct elf64_hppa_dyn_reloc_entry *rent; | |
2327 | int dynindx; | |
2328 | ||
2329 | hppa_info = elf64_hppa_hash_table (info); | |
2330 | h = dyn_h->h; | |
2331 | ||
2332 | /* We may need to do a relocation against a local symbol, in | |
2333 | which case we have to look up it's dynamic symbol index off | |
2334 | the local symbol hash table. */ | |
2335 | if (h && h->dynindx != -1) | |
2336 | dynindx = h->dynindx; | |
2337 | else | |
2338 | dynindx | |
2339 | = _bfd_elf_link_lookup_local_dynindx (info, dyn_h->owner, | |
2340 | dyn_h->sym_indx); | |
2341 | ||
2342 | for (rent = dyn_h->reloc_entries; rent; rent = rent->next) | |
2343 | { | |
947216bf AM |
2344 | Elf_Internal_Rela rel; |
2345 | bfd_byte *loc; | |
15bda425 | 2346 | |
d663e1cd JL |
2347 | /* Allocate one iff we are building a shared library, the relocation |
2348 | isn't a R_PARISC_FPTR64, or we don't want an opd entry. */ | |
2349 | if (!info->shared && rent->type == R_PARISC_FPTR64 && dyn_h->want_opd) | |
2350 | continue; | |
15bda425 | 2351 | |
fe8bc63d | 2352 | /* Create a dynamic relocation for this entry. |
15bda425 JL |
2353 | |
2354 | We need the output offset for the reloc's section because | |
2355 | we are creating an absolute address in the resulting object | |
2356 | file. */ | |
2357 | rel.r_offset = (rent->offset + rent->sec->output_offset | |
2358 | + rent->sec->output_section->vma); | |
2359 | ||
2360 | /* An FPTR64 relocation implies that we took the address of | |
2361 | a function and that the function has an entry in the .opd | |
2362 | section. We want the FPTR64 relocation to reference the | |
2363 | entry in .opd. | |
2364 | ||
2365 | We could munge the symbol value in the dynamic symbol table | |
2366 | (in fact we already do for functions with global scope) to point | |
2367 | to the .opd entry. Then we could use that dynamic symbol in | |
2368 | this relocation. | |
2369 | ||
2370 | Or we could do something sensible, not munge the symbol's | |
2371 | address and instead just use a different symbol to reference | |
2372 | the .opd entry. At least that seems sensible until you | |
2373 | realize there's no local dynamic symbols we can use for that | |
2374 | purpose. Thus the hair in the check_relocs routine. | |
fe8bc63d | 2375 | |
15bda425 JL |
2376 | We use a section symbol recorded by check_relocs as the |
2377 | base symbol for the relocation. The addend is the difference | |
2378 | between the section symbol and the address of the .opd entry. */ | |
3db4b612 | 2379 | if (info->shared && rent->type == R_PARISC_FPTR64 && dyn_h->want_opd) |
15bda425 JL |
2380 | { |
2381 | bfd_vma value, value2; | |
15bda425 JL |
2382 | |
2383 | /* First compute the address of the opd entry for this symbol. */ | |
2384 | value = (dyn_h->opd_offset | |
2385 | + hppa_info->opd_sec->output_section->vma | |
2386 | + hppa_info->opd_sec->output_offset); | |
2387 | ||
2388 | /* Compute the value of the start of the section with | |
2389 | the relocation. */ | |
2390 | value2 = (rent->sec->output_section->vma | |
2391 | + rent->sec->output_offset); | |
2392 | ||
2393 | /* Compute the difference between the start of the section | |
2394 | with the relocation and the opd entry. */ | |
2395 | value -= value2; | |
fe8bc63d | 2396 | |
15bda425 JL |
2397 | /* The result becomes the addend of the relocation. */ |
2398 | rel.r_addend = value; | |
2399 | ||
2400 | /* The section symbol becomes the symbol for the dynamic | |
2401 | relocation. */ | |
2402 | dynindx | |
2403 | = _bfd_elf_link_lookup_local_dynindx (info, | |
2404 | rent->sec->owner, | |
2405 | rent->sec_symndx); | |
2406 | } | |
2407 | else | |
2408 | rel.r_addend = rent->addend; | |
2409 | ||
2410 | rel.r_info = ELF64_R_INFO (dynindx, rent->type); | |
2411 | ||
947216bf AM |
2412 | loc = hppa_info->other_rel_sec->contents; |
2413 | loc += (hppa_info->other_rel_sec->reloc_count++ | |
2414 | * sizeof (Elf64_External_Rela)); | |
15bda425 | 2415 | bfd_elf64_swap_reloca_out (hppa_info->other_rel_sec->output_section->owner, |
947216bf | 2416 | &rel, loc); |
15bda425 JL |
2417 | } |
2418 | } | |
2419 | ||
b34976b6 | 2420 | return TRUE; |
15bda425 JL |
2421 | } |
2422 | ||
5ac81c74 JL |
2423 | /* Used to decide how to sort relocs in an optimal manner for the |
2424 | dynamic linker, before writing them out. */ | |
2425 | ||
2426 | static enum elf_reloc_type_class | |
2427 | elf64_hppa_reloc_type_class (rela) | |
2428 | const Elf_Internal_Rela *rela; | |
2429 | { | |
2430 | if (ELF64_R_SYM (rela->r_info) == 0) | |
2431 | return reloc_class_relative; | |
2432 | ||
2433 | switch ((int) ELF64_R_TYPE (rela->r_info)) | |
2434 | { | |
2435 | case R_PARISC_IPLT: | |
2436 | return reloc_class_plt; | |
2437 | case R_PARISC_COPY: | |
2438 | return reloc_class_copy; | |
2439 | default: | |
2440 | return reloc_class_normal; | |
2441 | } | |
2442 | } | |
2443 | ||
15bda425 JL |
2444 | /* Finish up the dynamic sections. */ |
2445 | ||
b34976b6 | 2446 | static bfd_boolean |
15bda425 JL |
2447 | elf64_hppa_finish_dynamic_sections (output_bfd, info) |
2448 | bfd *output_bfd; | |
2449 | struct bfd_link_info *info; | |
2450 | { | |
2451 | bfd *dynobj; | |
2452 | asection *sdyn; | |
2453 | struct elf64_hppa_link_hash_table *hppa_info; | |
2454 | ||
2455 | hppa_info = elf64_hppa_hash_table (info); | |
2456 | ||
2457 | /* Finalize the contents of the .opd section. */ | |
2458 | elf64_hppa_dyn_hash_traverse (&hppa_info->dyn_hash_table, | |
2459 | elf64_hppa_finalize_opd, | |
2460 | info); | |
2461 | ||
2462 | elf64_hppa_dyn_hash_traverse (&hppa_info->dyn_hash_table, | |
2463 | elf64_hppa_finalize_dynreloc, | |
2464 | info); | |
2465 | ||
2466 | /* Finalize the contents of the .dlt section. */ | |
2467 | dynobj = elf_hash_table (info)->dynobj; | |
2468 | /* Finalize the contents of the .dlt section. */ | |
2469 | elf64_hppa_dyn_hash_traverse (&hppa_info->dyn_hash_table, | |
2470 | elf64_hppa_finalize_dlt, | |
2471 | info); | |
2472 | ||
15bda425 JL |
2473 | sdyn = bfd_get_section_by_name (dynobj, ".dynamic"); |
2474 | ||
2475 | if (elf_hash_table (info)->dynamic_sections_created) | |
2476 | { | |
2477 | Elf64_External_Dyn *dyncon, *dynconend; | |
15bda425 JL |
2478 | |
2479 | BFD_ASSERT (sdyn != NULL); | |
2480 | ||
2481 | dyncon = (Elf64_External_Dyn *) sdyn->contents; | |
eea6121a | 2482 | dynconend = (Elf64_External_Dyn *) (sdyn->contents + sdyn->size); |
15bda425 JL |
2483 | for (; dyncon < dynconend; dyncon++) |
2484 | { | |
2485 | Elf_Internal_Dyn dyn; | |
2486 | asection *s; | |
2487 | ||
2488 | bfd_elf64_swap_dyn_in (dynobj, dyncon, &dyn); | |
2489 | ||
2490 | switch (dyn.d_tag) | |
2491 | { | |
2492 | default: | |
2493 | break; | |
2494 | ||
2495 | case DT_HP_LOAD_MAP: | |
2496 | /* Compute the absolute address of 16byte scratchpad area | |
2497 | for the dynamic linker. | |
2498 | ||
2499 | By convention the linker script will allocate the scratchpad | |
2500 | area at the start of the .data section. So all we have to | |
2501 | to is find the start of the .data section. */ | |
2502 | s = bfd_get_section_by_name (output_bfd, ".data"); | |
2503 | dyn.d_un.d_ptr = s->vma; | |
2504 | bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon); | |
2505 | break; | |
2506 | ||
2507 | case DT_PLTGOT: | |
2508 | /* HP's use PLTGOT to set the GOT register. */ | |
2509 | dyn.d_un.d_ptr = _bfd_get_gp_value (output_bfd); | |
2510 | bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon); | |
2511 | break; | |
2512 | ||
2513 | case DT_JMPREL: | |
2514 | s = hppa_info->plt_rel_sec; | |
2515 | dyn.d_un.d_ptr = s->output_section->vma + s->output_offset; | |
2516 | bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon); | |
2517 | break; | |
2518 | ||
2519 | case DT_PLTRELSZ: | |
2520 | s = hppa_info->plt_rel_sec; | |
eea6121a | 2521 | dyn.d_un.d_val = s->size; |
15bda425 JL |
2522 | bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon); |
2523 | break; | |
2524 | ||
2525 | case DT_RELA: | |
2526 | s = hppa_info->other_rel_sec; | |
eea6121a | 2527 | if (! s || ! s->size) |
15bda425 | 2528 | s = hppa_info->dlt_rel_sec; |
eea6121a | 2529 | if (! s || ! s->size) |
5ac81c74 | 2530 | s = hppa_info->opd_rel_sec; |
15bda425 JL |
2531 | dyn.d_un.d_ptr = s->output_section->vma + s->output_offset; |
2532 | bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon); | |
2533 | break; | |
2534 | ||
2535 | case DT_RELASZ: | |
2536 | s = hppa_info->other_rel_sec; | |
eea6121a | 2537 | dyn.d_un.d_val = s->size; |
15bda425 | 2538 | s = hppa_info->dlt_rel_sec; |
eea6121a | 2539 | dyn.d_un.d_val += s->size; |
15bda425 | 2540 | s = hppa_info->opd_rel_sec; |
eea6121a | 2541 | dyn.d_un.d_val += s->size; |
15bda425 JL |
2542 | /* There is some question about whether or not the size of |
2543 | the PLT relocs should be included here. HP's tools do | |
2544 | it, so we'll emulate them. */ | |
2545 | s = hppa_info->plt_rel_sec; | |
eea6121a | 2546 | dyn.d_un.d_val += s->size; |
15bda425 JL |
2547 | bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon); |
2548 | break; | |
2549 | ||
2550 | } | |
2551 | } | |
2552 | } | |
2553 | ||
b34976b6 | 2554 | return TRUE; |
15bda425 JL |
2555 | } |
2556 | ||
235ecfbc NC |
2557 | /* Support for core dump NOTE sections. */ |
2558 | ||
2559 | static bfd_boolean | |
2560 | elf64_hppa_grok_prstatus (bfd *abfd, Elf_Internal_Note *note) | |
2561 | { | |
2562 | int offset; | |
2563 | size_t size; | |
2564 | ||
2565 | switch (note->descsz) | |
2566 | { | |
2567 | default: | |
2568 | return FALSE; | |
2569 | ||
2570 | case 760: /* Linux/hppa */ | |
2571 | /* pr_cursig */ | |
2572 | elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12); | |
2573 | ||
2574 | /* pr_pid */ | |
2575 | elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 32); | |
2576 | ||
2577 | /* pr_reg */ | |
2578 | offset = 112; | |
2579 | size = 640; | |
2580 | ||
2581 | break; | |
2582 | } | |
2583 | ||
2584 | /* Make a ".reg/999" section. */ | |
2585 | return _bfd_elfcore_make_pseudosection (abfd, ".reg", | |
2586 | size, note->descpos + offset); | |
2587 | } | |
2588 | ||
2589 | static bfd_boolean | |
2590 | elf64_hppa_grok_psinfo (bfd *abfd, Elf_Internal_Note *note) | |
2591 | { | |
2592 | char * command; | |
2593 | int n; | |
2594 | ||
2595 | switch (note->descsz) | |
2596 | { | |
2597 | default: | |
2598 | return FALSE; | |
2599 | ||
2600 | case 136: /* Linux/hppa elf_prpsinfo. */ | |
2601 | elf_tdata (abfd)->core_program | |
2602 | = _bfd_elfcore_strndup (abfd, note->descdata + 40, 16); | |
2603 | elf_tdata (abfd)->core_command | |
2604 | = _bfd_elfcore_strndup (abfd, note->descdata + 56, 80); | |
2605 | } | |
2606 | ||
2607 | /* Note that for some reason, a spurious space is tacked | |
2608 | onto the end of the args in some (at least one anyway) | |
2609 | implementations, so strip it off if it exists. */ | |
2610 | command = elf_tdata (abfd)->core_command; | |
2611 | n = strlen (command); | |
2612 | ||
2613 | if (0 < n && command[n - 1] == ' ') | |
2614 | command[n - 1] = '\0'; | |
2615 | ||
2616 | return TRUE; | |
2617 | } | |
2618 | ||
15bda425 JL |
2619 | /* Return the number of additional phdrs we will need. |
2620 | ||
2621 | The generic ELF code only creates PT_PHDRs for executables. The HP | |
fe8bc63d | 2622 | dynamic linker requires PT_PHDRs for dynamic libraries too. |
15bda425 JL |
2623 | |
2624 | This routine indicates that the backend needs one additional program | |
2625 | header for that case. | |
2626 | ||
2627 | Note we do not have access to the link info structure here, so we have | |
2628 | to guess whether or not we are building a shared library based on the | |
2629 | existence of a .interp section. */ | |
2630 | ||
2631 | static int | |
a6b96beb AM |
2632 | elf64_hppa_additional_program_headers (bfd *abfd, |
2633 | struct bfd_link_info *info ATTRIBUTE_UNUSED) | |
15bda425 JL |
2634 | { |
2635 | asection *s; | |
2636 | ||
2637 | /* If we are creating a shared library, then we have to create a | |
2638 | PT_PHDR segment. HP's dynamic linker chokes without it. */ | |
2639 | s = bfd_get_section_by_name (abfd, ".interp"); | |
2640 | if (! s) | |
2641 | return 1; | |
2642 | return 0; | |
2643 | } | |
2644 | ||
2645 | /* Allocate and initialize any program headers required by this | |
2646 | specific backend. | |
2647 | ||
2648 | The generic ELF code only creates PT_PHDRs for executables. The HP | |
fe8bc63d | 2649 | dynamic linker requires PT_PHDRs for dynamic libraries too. |
15bda425 JL |
2650 | |
2651 | This allocates the PT_PHDR and initializes it in a manner suitable | |
fe8bc63d | 2652 | for the HP linker. |
15bda425 JL |
2653 | |
2654 | Note we do not have access to the link info structure here, so we have | |
2655 | to guess whether or not we are building a shared library based on the | |
2656 | existence of a .interp section. */ | |
2657 | ||
b34976b6 | 2658 | static bfd_boolean |
8ded5a0f AM |
2659 | elf64_hppa_modify_segment_map (bfd *abfd, |
2660 | struct bfd_link_info *info ATTRIBUTE_UNUSED) | |
15bda425 | 2661 | { |
edd21aca | 2662 | struct elf_segment_map *m; |
15bda425 JL |
2663 | asection *s; |
2664 | ||
2665 | s = bfd_get_section_by_name (abfd, ".interp"); | |
2666 | if (! s) | |
2667 | { | |
2668 | for (m = elf_tdata (abfd)->segment_map; m != NULL; m = m->next) | |
2669 | if (m->p_type == PT_PHDR) | |
2670 | break; | |
2671 | if (m == NULL) | |
2672 | { | |
dc810e39 AM |
2673 | m = ((struct elf_segment_map *) |
2674 | bfd_zalloc (abfd, (bfd_size_type) sizeof *m)); | |
15bda425 | 2675 | if (m == NULL) |
b34976b6 | 2676 | return FALSE; |
15bda425 JL |
2677 | |
2678 | m->p_type = PT_PHDR; | |
2679 | m->p_flags = PF_R | PF_X; | |
2680 | m->p_flags_valid = 1; | |
2681 | m->p_paddr_valid = 1; | |
2682 | m->includes_phdrs = 1; | |
2683 | ||
2684 | m->next = elf_tdata (abfd)->segment_map; | |
2685 | elf_tdata (abfd)->segment_map = m; | |
2686 | } | |
2687 | } | |
2688 | ||
2689 | for (m = elf_tdata (abfd)->segment_map; m != NULL; m = m->next) | |
2690 | if (m->p_type == PT_LOAD) | |
2691 | { | |
0ba2a60e | 2692 | unsigned int i; |
15bda425 JL |
2693 | |
2694 | for (i = 0; i < m->count; i++) | |
2695 | { | |
2696 | /* The code "hint" is not really a hint. It is a requirement | |
2697 | for certain versions of the HP dynamic linker. Worse yet, | |
2698 | it must be set even if the shared library does not have | |
2699 | any code in its "text" segment (thus the check for .hash | |
2700 | to catch this situation). */ | |
2701 | if (m->sections[i]->flags & SEC_CODE | |
2702 | || (strcmp (m->sections[i]->name, ".hash") == 0)) | |
2703 | m->p_flags |= (PF_X | PF_HP_CODE); | |
2704 | } | |
2705 | } | |
2706 | ||
b34976b6 | 2707 | return TRUE; |
15bda425 JL |
2708 | } |
2709 | ||
3fab46d0 AM |
2710 | /* Called when writing out an object file to decide the type of a |
2711 | symbol. */ | |
2712 | static int | |
2713 | elf64_hppa_elf_get_symbol_type (elf_sym, type) | |
2714 | Elf_Internal_Sym *elf_sym; | |
2715 | int type; | |
2716 | { | |
2717 | if (ELF_ST_TYPE (elf_sym->st_info) == STT_PARISC_MILLI) | |
2718 | return STT_PARISC_MILLI; | |
2719 | else | |
2720 | return type; | |
2721 | } | |
2722 | ||
d97a8924 DA |
2723 | /* Support HP specific sections for core files. */ |
2724 | static bfd_boolean | |
2725 | elf64_hppa_section_from_phdr (bfd *abfd, Elf_Internal_Phdr *hdr, int index, | |
2726 | const char *typename) | |
2727 | { | |
927e625f MK |
2728 | if (hdr->p_type == PT_HP_CORE_KERNEL) |
2729 | { | |
2730 | asection *sect; | |
2731 | ||
2732 | if (!_bfd_elf_make_section_from_phdr (abfd, hdr, index, typename)) | |
2733 | return FALSE; | |
2734 | ||
2735 | sect = bfd_make_section_anyway (abfd, ".kernel"); | |
2736 | if (sect == NULL) | |
2737 | return FALSE; | |
2738 | sect->size = hdr->p_filesz; | |
2739 | sect->filepos = hdr->p_offset; | |
2740 | sect->flags = SEC_HAS_CONTENTS | SEC_READONLY; | |
2741 | return TRUE; | |
2742 | } | |
2743 | ||
d97a8924 DA |
2744 | if (hdr->p_type == PT_HP_CORE_PROC) |
2745 | { | |
2746 | int sig; | |
2747 | ||
2748 | if (bfd_seek (abfd, hdr->p_offset, SEEK_SET) != 0) | |
2749 | return FALSE; | |
2750 | if (bfd_bread (&sig, 4, abfd) != 4) | |
2751 | return FALSE; | |
2752 | ||
2753 | elf_tdata (abfd)->core_signal = sig; | |
2754 | ||
927e625f | 2755 | if (!_bfd_elf_make_section_from_phdr (abfd, hdr, index, typename)) |
d97a8924 | 2756 | return FALSE; |
927e625f MK |
2757 | |
2758 | /* GDB uses the ".reg" section to read register contents. */ | |
2759 | return _bfd_elfcore_make_pseudosection (abfd, ".reg", hdr->p_filesz, | |
2760 | hdr->p_offset); | |
d97a8924 DA |
2761 | } |
2762 | ||
2763 | if (hdr->p_type == PT_HP_CORE_LOADABLE | |
2764 | || hdr->p_type == PT_HP_CORE_STACK | |
2765 | || hdr->p_type == PT_HP_CORE_MMF) | |
2766 | hdr->p_type = PT_LOAD; | |
2767 | ||
2768 | return _bfd_elf_make_section_from_phdr (abfd, hdr, index, typename); | |
2769 | } | |
2770 | ||
b35d266b | 2771 | static const struct bfd_elf_special_section elf64_hppa_special_sections[] = |
2f89ff8d | 2772 | { |
0112cd26 NC |
2773 | { STRING_COMMA_LEN (".fini"), 0, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, |
2774 | { STRING_COMMA_LEN (".init"), 0, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, | |
2775 | { STRING_COMMA_LEN (".plt"), 0, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_PARISC_SHORT }, | |
2776 | { STRING_COMMA_LEN (".dlt"), 0, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_PARISC_SHORT }, | |
2777 | { STRING_COMMA_LEN (".sdata"), 0, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_PARISC_SHORT }, | |
2778 | { STRING_COMMA_LEN (".sbss"), 0, SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_PARISC_SHORT }, | |
2779 | { STRING_COMMA_LEN (".tbss"), 0, SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_HP_TLS }, | |
2780 | { NULL, 0, 0, 0, 0 } | |
2f89ff8d L |
2781 | }; |
2782 | ||
15bda425 JL |
2783 | /* The hash bucket size is the standard one, namely 4. */ |
2784 | ||
2785 | const struct elf_size_info hppa64_elf_size_info = | |
2786 | { | |
2787 | sizeof (Elf64_External_Ehdr), | |
2788 | sizeof (Elf64_External_Phdr), | |
2789 | sizeof (Elf64_External_Shdr), | |
2790 | sizeof (Elf64_External_Rel), | |
2791 | sizeof (Elf64_External_Rela), | |
2792 | sizeof (Elf64_External_Sym), | |
2793 | sizeof (Elf64_External_Dyn), | |
2794 | sizeof (Elf_External_Note), | |
2795 | 4, | |
2796 | 1, | |
45d6a902 | 2797 | 64, 3, |
15bda425 JL |
2798 | ELFCLASS64, EV_CURRENT, |
2799 | bfd_elf64_write_out_phdrs, | |
2800 | bfd_elf64_write_shdrs_and_ehdr, | |
1489a3a0 | 2801 | bfd_elf64_checksum_contents, |
15bda425 | 2802 | bfd_elf64_write_relocs, |
73ff0d56 | 2803 | bfd_elf64_swap_symbol_in, |
15bda425 JL |
2804 | bfd_elf64_swap_symbol_out, |
2805 | bfd_elf64_slurp_reloc_table, | |
2806 | bfd_elf64_slurp_symbol_table, | |
2807 | bfd_elf64_swap_dyn_in, | |
2808 | bfd_elf64_swap_dyn_out, | |
947216bf AM |
2809 | bfd_elf64_swap_reloc_in, |
2810 | bfd_elf64_swap_reloc_out, | |
2811 | bfd_elf64_swap_reloca_in, | |
2812 | bfd_elf64_swap_reloca_out | |
15bda425 JL |
2813 | }; |
2814 | ||
2815 | #define TARGET_BIG_SYM bfd_elf64_hppa_vec | |
2816 | #define TARGET_BIG_NAME "elf64-hppa" | |
2817 | #define ELF_ARCH bfd_arch_hppa | |
2818 | #define ELF_MACHINE_CODE EM_PARISC | |
2819 | /* This is not strictly correct. The maximum page size for PA2.0 is | |
2820 | 64M. But everything still uses 4k. */ | |
2821 | #define ELF_MAXPAGESIZE 0x1000 | |
d1036acb L |
2822 | #define ELF_OSABI ELFOSABI_HPUX |
2823 | ||
15bda425 | 2824 | #define bfd_elf64_bfd_reloc_type_lookup elf_hppa_reloc_type_lookup |
157090f7 | 2825 | #define bfd_elf64_bfd_reloc_name_lookup elf_hppa_reloc_name_lookup |
15bda425 JL |
2826 | #define bfd_elf64_bfd_is_local_label_name elf_hppa_is_local_label_name |
2827 | #define elf_info_to_howto elf_hppa_info_to_howto | |
2828 | #define elf_info_to_howto_rel elf_hppa_info_to_howto_rel | |
2829 | ||
2830 | #define elf_backend_section_from_shdr elf64_hppa_section_from_shdr | |
2831 | #define elf_backend_object_p elf64_hppa_object_p | |
2832 | #define elf_backend_final_write_processing \ | |
2833 | elf_hppa_final_write_processing | |
99c79b2e | 2834 | #define elf_backend_fake_sections elf_hppa_fake_sections |
15bda425 JL |
2835 | #define elf_backend_add_symbol_hook elf_hppa_add_symbol_hook |
2836 | ||
f0fe0e16 | 2837 | #define elf_backend_relocate_section elf_hppa_relocate_section |
15bda425 JL |
2838 | |
2839 | #define bfd_elf64_bfd_final_link elf_hppa_final_link | |
2840 | ||
2841 | #define elf_backend_create_dynamic_sections \ | |
2842 | elf64_hppa_create_dynamic_sections | |
2843 | #define elf_backend_post_process_headers elf64_hppa_post_process_headers | |
2844 | ||
74541ad4 AM |
2845 | #define elf_backend_omit_section_dynsym \ |
2846 | ((bfd_boolean (*) (bfd *, struct bfd_link_info *, asection *)) bfd_true) | |
15bda425 JL |
2847 | #define elf_backend_adjust_dynamic_symbol \ |
2848 | elf64_hppa_adjust_dynamic_symbol | |
2849 | ||
2850 | #define elf_backend_size_dynamic_sections \ | |
2851 | elf64_hppa_size_dynamic_sections | |
2852 | ||
2853 | #define elf_backend_finish_dynamic_symbol \ | |
2854 | elf64_hppa_finish_dynamic_symbol | |
2855 | #define elf_backend_finish_dynamic_sections \ | |
2856 | elf64_hppa_finish_dynamic_sections | |
235ecfbc NC |
2857 | #define elf_backend_grok_prstatus elf64_hppa_grok_prstatus |
2858 | #define elf_backend_grok_psinfo elf64_hppa_grok_psinfo | |
2859 | ||
15bda425 JL |
2860 | /* Stuff for the BFD linker: */ |
2861 | #define bfd_elf64_bfd_link_hash_table_create \ | |
2862 | elf64_hppa_hash_table_create | |
2863 | ||
2864 | #define elf_backend_check_relocs \ | |
2865 | elf64_hppa_check_relocs | |
2866 | ||
2867 | #define elf_backend_size_info \ | |
2868 | hppa64_elf_size_info | |
2869 | ||
2870 | #define elf_backend_additional_program_headers \ | |
2871 | elf64_hppa_additional_program_headers | |
2872 | ||
2873 | #define elf_backend_modify_segment_map \ | |
2874 | elf64_hppa_modify_segment_map | |
2875 | ||
2876 | #define elf_backend_link_output_symbol_hook \ | |
2877 | elf64_hppa_link_output_symbol_hook | |
2878 | ||
15bda425 JL |
2879 | #define elf_backend_want_got_plt 0 |
2880 | #define elf_backend_plt_readonly 0 | |
2881 | #define elf_backend_want_plt_sym 0 | |
2882 | #define elf_backend_got_header_size 0 | |
b34976b6 AM |
2883 | #define elf_backend_type_change_ok TRUE |
2884 | #define elf_backend_get_symbol_type elf64_hppa_elf_get_symbol_type | |
2885 | #define elf_backend_reloc_type_class elf64_hppa_reloc_type_class | |
2886 | #define elf_backend_rela_normal 1 | |
29ef7005 | 2887 | #define elf_backend_special_sections elf64_hppa_special_sections |
8a696751 | 2888 | #define elf_backend_action_discarded elf_hppa_action_discarded |
d97a8924 | 2889 | #define elf_backend_section_from_phdr elf64_hppa_section_from_phdr |
15bda425 | 2890 | |
83d1651b L |
2891 | #define elf64_bed elf64_hppa_hpux_bed |
2892 | ||
15bda425 | 2893 | #include "elf64-target.h" |
d952f17a AM |
2894 | |
2895 | #undef TARGET_BIG_SYM | |
2896 | #define TARGET_BIG_SYM bfd_elf64_hppa_linux_vec | |
2897 | #undef TARGET_BIG_NAME | |
2898 | #define TARGET_BIG_NAME "elf64-hppa-linux" | |
d1036acb L |
2899 | #undef ELF_OSABI |
2900 | #define ELF_OSABI ELFOSABI_LINUX | |
2901 | #undef elf_backend_post_process_headers | |
2902 | #define elf_backend_post_process_headers _bfd_elf_set_osabi | |
83d1651b L |
2903 | #undef elf64_bed |
2904 | #define elf64_bed elf64_hppa_linux_bed | |
d952f17a | 2905 | |
d952f17a | 2906 | #include "elf64-target.h" |