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 */ | |
d68aa3e6 DA |
51 | #else |
52 | extern void *alloca (size_t); | |
8bc9c892 NC |
53 | #endif /* __GNUC__ */ |
54 | ||
55 | ||
15bda425 JL |
56 | #define ARCH_SIZE 64 |
57 | ||
58 | #define PLT_ENTRY_SIZE 0x10 | |
59 | #define DLT_ENTRY_SIZE 0x8 | |
60 | #define OPD_ENTRY_SIZE 0x20 | |
fe8bc63d | 61 | |
15bda425 JL |
62 | #define ELF_DYNAMIC_INTERPRETER "/usr/lib/pa20_64/dld.sl" |
63 | ||
64 | /* The stub is supposed to load the target address and target's DP | |
65 | value out of the PLT, then do an external branch to the target | |
66 | address. | |
67 | ||
68 | LDD PLTOFF(%r27),%r1 | |
69 | BVE (%r1) | |
70 | LDD PLTOFF+8(%r27),%r27 | |
71 | ||
72 | Note that we must use the LDD with a 14 bit displacement, not the one | |
73 | with a 5 bit displacement. */ | |
74 | static char plt_stub[] = {0x53, 0x61, 0x00, 0x00, 0xe8, 0x20, 0xd0, 0x00, | |
75 | 0x53, 0x7b, 0x00, 0x00 }; | |
76 | ||
77 | struct elf64_hppa_dyn_hash_entry | |
78 | { | |
79 | struct bfd_hash_entry root; | |
80 | ||
81 | /* Offsets for this symbol in various linker sections. */ | |
82 | bfd_vma dlt_offset; | |
83 | bfd_vma plt_offset; | |
84 | bfd_vma opd_offset; | |
85 | bfd_vma stub_offset; | |
86 | ||
edd21aca | 87 | /* The symbol table entry, if any, that this was derived from. */ |
15bda425 JL |
88 | struct elf_link_hash_entry *h; |
89 | ||
90 | /* The index of the (possibly local) symbol in the input bfd and its | |
91 | associated BFD. Needed so that we can have relocs against local | |
92 | symbols in shared libraries. */ | |
dc810e39 | 93 | long sym_indx; |
15bda425 JL |
94 | bfd *owner; |
95 | ||
96 | /* Dynamic symbols may need to have two different values. One for | |
97 | the dynamic symbol table, one for the normal symbol table. | |
98 | ||
99 | In such cases we store the symbol's real value and section | |
100 | index here so we can restore the real value before we write | |
101 | the normal symbol table. */ | |
102 | bfd_vma st_value; | |
103 | int st_shndx; | |
104 | ||
105 | /* Used to count non-got, non-plt relocations for delayed sizing | |
106 | of relocation sections. */ | |
107 | struct elf64_hppa_dyn_reloc_entry | |
108 | { | |
109 | /* Next relocation in the chain. */ | |
110 | struct elf64_hppa_dyn_reloc_entry *next; | |
111 | ||
112 | /* The type of the relocation. */ | |
113 | int type; | |
114 | ||
115 | /* The input section of the relocation. */ | |
116 | asection *sec; | |
117 | ||
118 | /* The index of the section symbol for the input section of | |
119 | the relocation. Only needed when building shared libraries. */ | |
120 | int sec_symndx; | |
121 | ||
122 | /* The offset within the input section of the relocation. */ | |
123 | bfd_vma offset; | |
124 | ||
125 | /* The addend for the relocation. */ | |
126 | bfd_vma addend; | |
127 | ||
128 | } *reloc_entries; | |
129 | ||
130 | /* Nonzero if this symbol needs an entry in one of the linker | |
131 | sections. */ | |
132 | unsigned want_dlt; | |
133 | unsigned want_plt; | |
134 | unsigned want_opd; | |
135 | unsigned want_stub; | |
136 | }; | |
137 | ||
138 | struct elf64_hppa_dyn_hash_table | |
139 | { | |
140 | struct bfd_hash_table root; | |
141 | }; | |
142 | ||
143 | struct elf64_hppa_link_hash_table | |
144 | { | |
145 | struct elf_link_hash_table root; | |
146 | ||
147 | /* Shortcuts to get to the various linker defined sections. */ | |
148 | asection *dlt_sec; | |
149 | asection *dlt_rel_sec; | |
150 | asection *plt_sec; | |
151 | asection *plt_rel_sec; | |
152 | asection *opd_sec; | |
153 | asection *opd_rel_sec; | |
154 | asection *other_rel_sec; | |
155 | ||
156 | /* Offset of __gp within .plt section. When the PLT gets large we want | |
157 | to slide __gp into the PLT section so that we can continue to use | |
158 | single DP relative instructions to load values out of the PLT. */ | |
159 | bfd_vma gp_offset; | |
160 | ||
161 | /* Note this is not strictly correct. We should create a stub section for | |
162 | each input section with calls. The stub section should be placed before | |
163 | the section with the call. */ | |
164 | asection *stub_sec; | |
165 | ||
166 | bfd_vma text_segment_base; | |
167 | bfd_vma data_segment_base; | |
168 | ||
169 | struct elf64_hppa_dyn_hash_table dyn_hash_table; | |
170 | ||
171 | /* We build tables to map from an input section back to its | |
172 | symbol index. This is the BFD for which we currently have | |
173 | a map. */ | |
174 | bfd *section_syms_bfd; | |
175 | ||
176 | /* Array of symbol numbers for each input section attached to the | |
177 | current BFD. */ | |
178 | int *section_syms; | |
179 | }; | |
180 | ||
181 | #define elf64_hppa_hash_table(p) \ | |
182 | ((struct elf64_hppa_link_hash_table *) ((p)->hash)) | |
183 | ||
184 | typedef struct bfd_hash_entry *(*new_hash_entry_func) | |
185 | PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *)); | |
186 | ||
15bda425 JL |
187 | static struct bfd_hash_entry *elf64_hppa_new_dyn_hash_entry |
188 | PARAMS ((struct bfd_hash_entry *entry, struct bfd_hash_table *table, | |
189 | const char *string)); | |
190 | static struct bfd_link_hash_table *elf64_hppa_hash_table_create | |
191 | PARAMS ((bfd *abfd)); | |
192 | static struct elf64_hppa_dyn_hash_entry *elf64_hppa_dyn_hash_lookup | |
193 | PARAMS ((struct elf64_hppa_dyn_hash_table *table, const char *string, | |
b34976b6 | 194 | bfd_boolean create, bfd_boolean copy)); |
15bda425 JL |
195 | static void elf64_hppa_dyn_hash_traverse |
196 | PARAMS ((struct elf64_hppa_dyn_hash_table *table, | |
b34976b6 | 197 | bfd_boolean (*func) (struct elf64_hppa_dyn_hash_entry *, PTR), |
15bda425 JL |
198 | PTR info)); |
199 | ||
200 | static const char *get_dyn_name | |
d63b5ed9 | 201 | PARAMS ((bfd *, struct elf_link_hash_entry *, |
0ba2a60e | 202 | const Elf_Internal_Rela *, char **, size_t *)); |
15bda425 | 203 | |
15bda425 JL |
204 | /* This must follow the definitions of the various derived linker |
205 | hash tables and shared functions. */ | |
206 | #include "elf-hppa.h" | |
207 | ||
b34976b6 | 208 | static bfd_boolean elf64_hppa_object_p |
15bda425 JL |
209 | PARAMS ((bfd *)); |
210 | ||
15bda425 JL |
211 | static void elf64_hppa_post_process_headers |
212 | PARAMS ((bfd *, struct bfd_link_info *)); | |
213 | ||
b34976b6 | 214 | static bfd_boolean elf64_hppa_create_dynamic_sections |
15bda425 JL |
215 | PARAMS ((bfd *, struct bfd_link_info *)); |
216 | ||
b34976b6 | 217 | static bfd_boolean elf64_hppa_adjust_dynamic_symbol |
15bda425 JL |
218 | PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *)); |
219 | ||
b34976b6 | 220 | static bfd_boolean elf64_hppa_mark_milli_and_exported_functions |
47b7c2db AM |
221 | PARAMS ((struct elf_link_hash_entry *, PTR)); |
222 | ||
b34976b6 | 223 | static bfd_boolean elf64_hppa_size_dynamic_sections |
15bda425 JL |
224 | PARAMS ((bfd *, struct bfd_link_info *)); |
225 | ||
b34976b6 | 226 | static bfd_boolean elf64_hppa_link_output_symbol_hook |
754021d0 AM |
227 | PARAMS ((struct bfd_link_info *, const char *, Elf_Internal_Sym *, |
228 | asection *, struct elf_link_hash_entry *)); | |
99c79b2e | 229 | |
b34976b6 | 230 | static bfd_boolean elf64_hppa_finish_dynamic_symbol |
15bda425 JL |
231 | PARAMS ((bfd *, struct bfd_link_info *, |
232 | struct elf_link_hash_entry *, Elf_Internal_Sym *)); | |
fe8bc63d | 233 | |
5ac81c74 JL |
234 | static enum elf_reloc_type_class elf64_hppa_reloc_type_class |
235 | PARAMS ((const Elf_Internal_Rela *)); | |
236 | ||
b34976b6 | 237 | static bfd_boolean elf64_hppa_finish_dynamic_sections |
15bda425 JL |
238 | PARAMS ((bfd *, struct bfd_link_info *)); |
239 | ||
b34976b6 | 240 | static bfd_boolean elf64_hppa_check_relocs |
15bda425 JL |
241 | PARAMS ((bfd *, struct bfd_link_info *, |
242 | asection *, const Elf_Internal_Rela *)); | |
243 | ||
b34976b6 | 244 | static bfd_boolean elf64_hppa_dynamic_symbol_p |
15bda425 JL |
245 | PARAMS ((struct elf_link_hash_entry *, struct bfd_link_info *)); |
246 | ||
b34976b6 | 247 | static bfd_boolean elf64_hppa_mark_exported_functions |
15bda425 JL |
248 | PARAMS ((struct elf_link_hash_entry *, PTR)); |
249 | ||
b34976b6 | 250 | static bfd_boolean elf64_hppa_finalize_opd |
15bda425 JL |
251 | PARAMS ((struct elf64_hppa_dyn_hash_entry *, PTR)); |
252 | ||
b34976b6 | 253 | static bfd_boolean elf64_hppa_finalize_dlt |
15bda425 JL |
254 | PARAMS ((struct elf64_hppa_dyn_hash_entry *, PTR)); |
255 | ||
b34976b6 | 256 | static bfd_boolean allocate_global_data_dlt |
15bda425 JL |
257 | PARAMS ((struct elf64_hppa_dyn_hash_entry *, PTR)); |
258 | ||
b34976b6 | 259 | static bfd_boolean allocate_global_data_plt |
15bda425 JL |
260 | PARAMS ((struct elf64_hppa_dyn_hash_entry *, PTR)); |
261 | ||
b34976b6 | 262 | static bfd_boolean allocate_global_data_stub |
15bda425 JL |
263 | PARAMS ((struct elf64_hppa_dyn_hash_entry *, PTR)); |
264 | ||
b34976b6 | 265 | static bfd_boolean allocate_global_data_opd |
15bda425 JL |
266 | PARAMS ((struct elf64_hppa_dyn_hash_entry *, PTR)); |
267 | ||
b34976b6 | 268 | static bfd_boolean get_reloc_section |
15bda425 JL |
269 | PARAMS ((bfd *, struct elf64_hppa_link_hash_table *, asection *)); |
270 | ||
b34976b6 | 271 | static bfd_boolean count_dyn_reloc |
15bda425 JL |
272 | PARAMS ((bfd *, struct elf64_hppa_dyn_hash_entry *, |
273 | int, asection *, int, bfd_vma, bfd_vma)); | |
274 | ||
b34976b6 | 275 | static bfd_boolean allocate_dynrel_entries |
15bda425 JL |
276 | PARAMS ((struct elf64_hppa_dyn_hash_entry *, PTR)); |
277 | ||
b34976b6 | 278 | static bfd_boolean elf64_hppa_finalize_dynreloc |
15bda425 JL |
279 | PARAMS ((struct elf64_hppa_dyn_hash_entry *, PTR)); |
280 | ||
b34976b6 | 281 | static bfd_boolean get_opd |
15bda425 JL |
282 | PARAMS ((bfd *, struct bfd_link_info *, struct elf64_hppa_link_hash_table *)); |
283 | ||
b34976b6 | 284 | static bfd_boolean get_plt |
15bda425 JL |
285 | PARAMS ((bfd *, struct bfd_link_info *, struct elf64_hppa_link_hash_table *)); |
286 | ||
b34976b6 | 287 | static bfd_boolean get_dlt |
15bda425 JL |
288 | PARAMS ((bfd *, struct bfd_link_info *, struct elf64_hppa_link_hash_table *)); |
289 | ||
b34976b6 | 290 | static bfd_boolean get_stub |
15bda425 JL |
291 | PARAMS ((bfd *, struct bfd_link_info *, struct elf64_hppa_link_hash_table *)); |
292 | ||
3fab46d0 AM |
293 | static int elf64_hppa_elf_get_symbol_type |
294 | PARAMS ((Elf_Internal_Sym *, int)); | |
295 | ||
b34976b6 | 296 | static bfd_boolean |
66eb6687 AM |
297 | elf64_hppa_dyn_hash_table_init (struct elf64_hppa_dyn_hash_table *ht, |
298 | bfd *abfd ATTRIBUTE_UNUSED, | |
299 | new_hash_entry_func new, | |
300 | unsigned int entsize) | |
15bda425 | 301 | { |
fe8bc63d | 302 | memset (ht, 0, sizeof (*ht)); |
66eb6687 | 303 | return bfd_hash_table_init (&ht->root, new, entsize); |
15bda425 JL |
304 | } |
305 | ||
306 | static struct bfd_hash_entry* | |
307 | elf64_hppa_new_dyn_hash_entry (entry, table, string) | |
308 | struct bfd_hash_entry *entry; | |
309 | struct bfd_hash_table *table; | |
310 | const char *string; | |
311 | { | |
312 | struct elf64_hppa_dyn_hash_entry *ret; | |
313 | ret = (struct elf64_hppa_dyn_hash_entry *) entry; | |
314 | ||
315 | /* Allocate the structure if it has not already been allocated by a | |
316 | subclass. */ | |
317 | if (!ret) | |
318 | ret = bfd_hash_allocate (table, sizeof (*ret)); | |
319 | ||
320 | if (!ret) | |
321 | return 0; | |
322 | ||
15bda425 JL |
323 | /* Call the allocation method of the superclass. */ |
324 | ret = ((struct elf64_hppa_dyn_hash_entry *) | |
325 | bfd_hash_newfunc ((struct bfd_hash_entry *) ret, table, string)); | |
326 | ||
336549c1 AM |
327 | /* Initialize our local data. All zeros. */ |
328 | memset (&ret->dlt_offset, 0, | |
329 | (sizeof (struct elf64_hppa_dyn_hash_entry) | |
330 | - offsetof (struct elf64_hppa_dyn_hash_entry, dlt_offset))); | |
331 | ||
15bda425 JL |
332 | return &ret->root; |
333 | } | |
334 | ||
335 | /* Create the derived linker hash table. The PA64 ELF port uses this | |
336 | derived hash table to keep information specific to the PA ElF | |
337 | linker (without using static variables). */ | |
338 | ||
339 | static struct bfd_link_hash_table* | |
340 | elf64_hppa_hash_table_create (abfd) | |
341 | bfd *abfd; | |
342 | { | |
343 | struct elf64_hppa_link_hash_table *ret; | |
344 | ||
dc810e39 | 345 | ret = bfd_zalloc (abfd, (bfd_size_type) sizeof (*ret)); |
15bda425 JL |
346 | if (!ret) |
347 | return 0; | |
348 | if (!_bfd_elf_link_hash_table_init (&ret->root, abfd, | |
66eb6687 AM |
349 | _bfd_elf_link_hash_newfunc, |
350 | sizeof (struct elf_link_hash_entry))) | |
15bda425 JL |
351 | { |
352 | bfd_release (abfd, ret); | |
353 | return 0; | |
354 | } | |
355 | ||
356 | if (!elf64_hppa_dyn_hash_table_init (&ret->dyn_hash_table, abfd, | |
66eb6687 AM |
357 | elf64_hppa_new_dyn_hash_entry, |
358 | sizeof (struct elf64_hppa_dyn_hash_entry))) | |
15bda425 JL |
359 | return 0; |
360 | return &ret->root.root; | |
361 | } | |
362 | ||
363 | /* Look up an entry in a PA64 ELF linker hash table. */ | |
364 | ||
365 | static struct elf64_hppa_dyn_hash_entry * | |
366 | elf64_hppa_dyn_hash_lookup(table, string, create, copy) | |
367 | struct elf64_hppa_dyn_hash_table *table; | |
368 | const char *string; | |
b34976b6 | 369 | bfd_boolean create, copy; |
15bda425 JL |
370 | { |
371 | return ((struct elf64_hppa_dyn_hash_entry *) | |
372 | bfd_hash_lookup (&table->root, string, create, copy)); | |
373 | } | |
374 | ||
375 | /* Traverse a PA64 ELF linker hash table. */ | |
376 | ||
377 | static void | |
378 | elf64_hppa_dyn_hash_traverse (table, func, info) | |
379 | struct elf64_hppa_dyn_hash_table *table; | |
b34976b6 | 380 | bfd_boolean (*func) PARAMS ((struct elf64_hppa_dyn_hash_entry *, PTR)); |
15bda425 JL |
381 | PTR info; |
382 | { | |
383 | (bfd_hash_traverse | |
384 | (&table->root, | |
b34976b6 | 385 | (bfd_boolean (*) PARAMS ((struct bfd_hash_entry *, PTR))) func, |
15bda425 JL |
386 | info)); |
387 | } | |
388 | \f | |
389 | /* Return nonzero if ABFD represents a PA2.0 ELF64 file. | |
390 | ||
391 | Additionally we set the default architecture and machine. */ | |
b34976b6 | 392 | static bfd_boolean |
15bda425 JL |
393 | elf64_hppa_object_p (abfd) |
394 | bfd *abfd; | |
395 | { | |
24a5e751 L |
396 | Elf_Internal_Ehdr * i_ehdrp; |
397 | unsigned int flags; | |
d9634ba1 | 398 | |
24a5e751 L |
399 | i_ehdrp = elf_elfheader (abfd); |
400 | if (strcmp (bfd_get_target (abfd), "elf64-hppa-linux") == 0) | |
401 | { | |
6c21aa76 NC |
402 | /* GCC on hppa-linux produces binaries with OSABI=Linux, |
403 | but the kernel produces corefiles with OSABI=SysV. */ | |
d97a8924 DA |
404 | if (i_ehdrp->e_ident[EI_OSABI] != ELFOSABI_LINUX |
405 | && i_ehdrp->e_ident[EI_OSABI] != ELFOSABI_NONE) /* aka SYSV */ | |
b34976b6 | 406 | return FALSE; |
24a5e751 L |
407 | } |
408 | else | |
409 | { | |
d97a8924 DA |
410 | /* HPUX produces binaries with OSABI=HPUX, |
411 | but the kernel produces corefiles with OSABI=SysV. */ | |
412 | if (i_ehdrp->e_ident[EI_OSABI] != ELFOSABI_HPUX | |
413 | && i_ehdrp->e_ident[EI_OSABI] != ELFOSABI_NONE) /* aka SYSV */ | |
b34976b6 | 414 | return FALSE; |
24a5e751 L |
415 | } |
416 | ||
417 | flags = i_ehdrp->e_flags; | |
d9634ba1 AM |
418 | switch (flags & (EF_PARISC_ARCH | EF_PARISC_WIDE)) |
419 | { | |
420 | case EFA_PARISC_1_0: | |
421 | return bfd_default_set_arch_mach (abfd, bfd_arch_hppa, 10); | |
422 | case EFA_PARISC_1_1: | |
423 | return bfd_default_set_arch_mach (abfd, bfd_arch_hppa, 11); | |
424 | case EFA_PARISC_2_0: | |
d97a8924 DA |
425 | if (i_ehdrp->e_ident[EI_CLASS] == ELFCLASS64) |
426 | return bfd_default_set_arch_mach (abfd, bfd_arch_hppa, 25); | |
427 | else | |
428 | return bfd_default_set_arch_mach (abfd, bfd_arch_hppa, 20); | |
d9634ba1 AM |
429 | case EFA_PARISC_2_0 | EF_PARISC_WIDE: |
430 | return bfd_default_set_arch_mach (abfd, bfd_arch_hppa, 25); | |
431 | } | |
432 | /* Don't be fussy. */ | |
b34976b6 | 433 | return TRUE; |
15bda425 JL |
434 | } |
435 | ||
436 | /* Given section type (hdr->sh_type), return a boolean indicating | |
437 | whether or not the section is an elf64-hppa specific section. */ | |
b34976b6 | 438 | static bfd_boolean |
6dc132d9 L |
439 | elf64_hppa_section_from_shdr (bfd *abfd, |
440 | Elf_Internal_Shdr *hdr, | |
441 | const char *name, | |
442 | int shindex) | |
15bda425 JL |
443 | { |
444 | asection *newsect; | |
445 | ||
446 | switch (hdr->sh_type) | |
447 | { | |
448 | case SHT_PARISC_EXT: | |
449 | if (strcmp (name, ".PARISC.archext") != 0) | |
b34976b6 | 450 | return FALSE; |
15bda425 JL |
451 | break; |
452 | case SHT_PARISC_UNWIND: | |
453 | if (strcmp (name, ".PARISC.unwind") != 0) | |
b34976b6 | 454 | return FALSE; |
15bda425 JL |
455 | break; |
456 | case SHT_PARISC_DOC: | |
457 | case SHT_PARISC_ANNOT: | |
458 | default: | |
b34976b6 | 459 | return FALSE; |
15bda425 JL |
460 | } |
461 | ||
6dc132d9 | 462 | if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex)) |
b34976b6 | 463 | return FALSE; |
15bda425 JL |
464 | newsect = hdr->bfd_section; |
465 | ||
b34976b6 | 466 | return TRUE; |
15bda425 JL |
467 | } |
468 | ||
15bda425 | 469 | /* Construct a string for use in the elf64_hppa_dyn_hash_table. The |
fe8bc63d | 470 | name describes what was once potentially anonymous memory. We |
15bda425 JL |
471 | allocate memory as necessary, possibly reusing PBUF/PLEN. */ |
472 | ||
473 | static const char * | |
d63b5ed9 DA |
474 | get_dyn_name (abfd, h, rel, pbuf, plen) |
475 | bfd *abfd; | |
15bda425 JL |
476 | struct elf_link_hash_entry *h; |
477 | const Elf_Internal_Rela *rel; | |
478 | char **pbuf; | |
479 | size_t *plen; | |
480 | { | |
d63b5ed9 | 481 | asection *sec = abfd->sections; |
15bda425 JL |
482 | size_t nlen, tlen; |
483 | char *buf; | |
484 | size_t len; | |
485 | ||
486 | if (h && rel->r_addend == 0) | |
487 | return h->root.root.string; | |
488 | ||
489 | if (h) | |
490 | nlen = strlen (h->root.root.string); | |
491 | else | |
0ba2a60e AM |
492 | nlen = 8 + 1 + sizeof (rel->r_info) * 2 - 8; |
493 | tlen = nlen + 1 + sizeof (rel->r_addend) * 2 + 1; | |
15bda425 JL |
494 | |
495 | len = *plen; | |
496 | buf = *pbuf; | |
497 | if (len < tlen) | |
498 | { | |
499 | if (buf) | |
500 | free (buf); | |
501 | *pbuf = buf = malloc (tlen); | |
502 | *plen = len = tlen; | |
503 | if (!buf) | |
504 | return NULL; | |
505 | } | |
506 | ||
507 | if (h) | |
508 | { | |
509 | memcpy (buf, h->root.root.string, nlen); | |
0ba2a60e | 510 | buf[nlen++] = '+'; |
15bda425 JL |
511 | sprintf_vma (buf + nlen, rel->r_addend); |
512 | } | |
513 | else | |
514 | { | |
0ba2a60e AM |
515 | nlen = sprintf (buf, "%x:%lx", |
516 | sec->id & 0xffffffff, | |
517 | (long) ELF64_R_SYM (rel->r_info)); | |
15bda425 JL |
518 | if (rel->r_addend) |
519 | { | |
520 | buf[nlen++] = '+'; | |
521 | sprintf_vma (buf + nlen, rel->r_addend); | |
522 | } | |
523 | } | |
524 | ||
525 | return buf; | |
526 | } | |
527 | ||
528 | /* SEC is a section containing relocs for an input BFD when linking; return | |
529 | a suitable section for holding relocs in the output BFD for a link. */ | |
530 | ||
b34976b6 | 531 | static bfd_boolean |
15bda425 JL |
532 | get_reloc_section (abfd, hppa_info, sec) |
533 | bfd *abfd; | |
534 | struct elf64_hppa_link_hash_table *hppa_info; | |
535 | asection *sec; | |
536 | { | |
537 | const char *srel_name; | |
538 | asection *srel; | |
539 | bfd *dynobj; | |
540 | ||
541 | srel_name = (bfd_elf_string_from_elf_section | |
542 | (abfd, elf_elfheader(abfd)->e_shstrndx, | |
543 | elf_section_data(sec)->rel_hdr.sh_name)); | |
544 | if (srel_name == NULL) | |
b34976b6 | 545 | return FALSE; |
15bda425 | 546 | |
0112cd26 | 547 | BFD_ASSERT ((CONST_STRNEQ (srel_name, ".rela") |
15bda425 | 548 | && strcmp (bfd_get_section_name (abfd, sec), |
0112cd26 NC |
549 | srel_name + 5) == 0) |
550 | || (CONST_STRNEQ (srel_name, ".rel") | |
15bda425 | 551 | && strcmp (bfd_get_section_name (abfd, sec), |
0112cd26 | 552 | srel_name + 4) == 0)); |
15bda425 JL |
553 | |
554 | dynobj = hppa_info->root.dynobj; | |
555 | if (!dynobj) | |
556 | hppa_info->root.dynobj = dynobj = abfd; | |
557 | ||
558 | srel = bfd_get_section_by_name (dynobj, srel_name); | |
559 | if (srel == NULL) | |
560 | { | |
3496cb2a L |
561 | srel = bfd_make_section_with_flags (dynobj, srel_name, |
562 | (SEC_ALLOC | |
563 | | SEC_LOAD | |
564 | | SEC_HAS_CONTENTS | |
565 | | SEC_IN_MEMORY | |
566 | | SEC_LINKER_CREATED | |
567 | | SEC_READONLY)); | |
15bda425 | 568 | if (srel == NULL |
15bda425 | 569 | || !bfd_set_section_alignment (dynobj, srel, 3)) |
b34976b6 | 570 | return FALSE; |
15bda425 JL |
571 | } |
572 | ||
573 | hppa_info->other_rel_sec = srel; | |
b34976b6 | 574 | return TRUE; |
15bda425 JL |
575 | } |
576 | ||
fe8bc63d | 577 | /* Add a new entry to the list of dynamic relocations against DYN_H. |
15bda425 JL |
578 | |
579 | We use this to keep a record of all the FPTR relocations against a | |
580 | particular symbol so that we can create FPTR relocations in the | |
581 | output file. */ | |
582 | ||
b34976b6 | 583 | static bfd_boolean |
15bda425 JL |
584 | count_dyn_reloc (abfd, dyn_h, type, sec, sec_symndx, offset, addend) |
585 | bfd *abfd; | |
586 | struct elf64_hppa_dyn_hash_entry *dyn_h; | |
587 | int type; | |
588 | asection *sec; | |
589 | int sec_symndx; | |
590 | bfd_vma offset; | |
591 | bfd_vma addend; | |
592 | { | |
593 | struct elf64_hppa_dyn_reloc_entry *rent; | |
594 | ||
595 | rent = (struct elf64_hppa_dyn_reloc_entry *) | |
dc810e39 | 596 | bfd_alloc (abfd, (bfd_size_type) sizeof (*rent)); |
15bda425 | 597 | if (!rent) |
b34976b6 | 598 | return FALSE; |
15bda425 JL |
599 | |
600 | rent->next = dyn_h->reloc_entries; | |
601 | rent->type = type; | |
602 | rent->sec = sec; | |
603 | rent->sec_symndx = sec_symndx; | |
604 | rent->offset = offset; | |
605 | rent->addend = addend; | |
606 | dyn_h->reloc_entries = rent; | |
607 | ||
b34976b6 | 608 | return TRUE; |
15bda425 JL |
609 | } |
610 | ||
611 | /* Scan the RELOCS and record the type of dynamic entries that each | |
612 | referenced symbol needs. */ | |
613 | ||
b34976b6 | 614 | static bfd_boolean |
15bda425 JL |
615 | elf64_hppa_check_relocs (abfd, info, sec, relocs) |
616 | bfd *abfd; | |
617 | struct bfd_link_info *info; | |
618 | asection *sec; | |
619 | const Elf_Internal_Rela *relocs; | |
620 | { | |
621 | struct elf64_hppa_link_hash_table *hppa_info; | |
622 | const Elf_Internal_Rela *relend; | |
623 | Elf_Internal_Shdr *symtab_hdr; | |
624 | const Elf_Internal_Rela *rel; | |
625 | asection *dlt, *plt, *stubs; | |
626 | char *buf; | |
627 | size_t buf_len; | |
628 | int sec_symndx; | |
629 | ||
1049f94e | 630 | if (info->relocatable) |
b34976b6 | 631 | return TRUE; |
15bda425 JL |
632 | |
633 | /* If this is the first dynamic object found in the link, create | |
634 | the special sections required for dynamic linking. */ | |
635 | if (! elf_hash_table (info)->dynamic_sections_created) | |
636 | { | |
45d6a902 | 637 | if (! _bfd_elf_link_create_dynamic_sections (abfd, info)) |
b34976b6 | 638 | return FALSE; |
15bda425 JL |
639 | } |
640 | ||
641 | hppa_info = elf64_hppa_hash_table (info); | |
642 | symtab_hdr = &elf_tdata (abfd)->symtab_hdr; | |
643 | ||
644 | /* If necessary, build a new table holding section symbols indices | |
6cdc0ccc | 645 | for this BFD. */ |
fe8bc63d | 646 | |
15bda425 JL |
647 | if (info->shared && hppa_info->section_syms_bfd != abfd) |
648 | { | |
832d951b | 649 | unsigned long i; |
9ad5cbcf | 650 | unsigned int highest_shndx; |
6cdc0ccc AM |
651 | Elf_Internal_Sym *local_syms = NULL; |
652 | Elf_Internal_Sym *isym, *isymend; | |
dc810e39 | 653 | bfd_size_type amt; |
15bda425 JL |
654 | |
655 | /* We're done with the old cache of section index to section symbol | |
656 | index information. Free it. | |
657 | ||
658 | ?!? Note we leak the last section_syms array. Presumably we | |
659 | could free it in one of the later routines in this file. */ | |
660 | if (hppa_info->section_syms) | |
661 | free (hppa_info->section_syms); | |
662 | ||
6cdc0ccc AM |
663 | /* Read this BFD's local symbols. */ |
664 | if (symtab_hdr->sh_info != 0) | |
47b7c2db | 665 | { |
6cdc0ccc AM |
666 | local_syms = (Elf_Internal_Sym *) symtab_hdr->contents; |
667 | if (local_syms == NULL) | |
668 | local_syms = bfd_elf_get_elf_syms (abfd, symtab_hdr, | |
669 | symtab_hdr->sh_info, 0, | |
670 | NULL, NULL, NULL); | |
671 | if (local_syms == NULL) | |
b34976b6 | 672 | return FALSE; |
9ad5cbcf AM |
673 | } |
674 | ||
6cdc0ccc | 675 | /* Record the highest section index referenced by the local symbols. */ |
15bda425 | 676 | highest_shndx = 0; |
6cdc0ccc AM |
677 | isymend = local_syms + symtab_hdr->sh_info; |
678 | for (isym = local_syms; isym < isymend; isym++) | |
15bda425 | 679 | { |
15bda425 JL |
680 | if (isym->st_shndx > highest_shndx) |
681 | highest_shndx = isym->st_shndx; | |
682 | } | |
683 | ||
15bda425 JL |
684 | /* Allocate an array to hold the section index to section symbol index |
685 | mapping. Bump by one since we start counting at zero. */ | |
686 | highest_shndx++; | |
dc810e39 AM |
687 | amt = highest_shndx; |
688 | amt *= sizeof (int); | |
689 | hppa_info->section_syms = (int *) bfd_malloc (amt); | |
15bda425 JL |
690 | |
691 | /* Now walk the local symbols again. If we find a section symbol, | |
692 | record the index of the symbol into the section_syms array. */ | |
6cdc0ccc | 693 | for (i = 0, isym = local_syms; isym < isymend; i++, isym++) |
15bda425 JL |
694 | { |
695 | if (ELF_ST_TYPE (isym->st_info) == STT_SECTION) | |
696 | hppa_info->section_syms[isym->st_shndx] = i; | |
697 | } | |
698 | ||
6cdc0ccc AM |
699 | /* We are finished with the local symbols. */ |
700 | if (local_syms != NULL | |
701 | && symtab_hdr->contents != (unsigned char *) local_syms) | |
702 | { | |
703 | if (! info->keep_memory) | |
704 | free (local_syms); | |
705 | else | |
706 | { | |
707 | /* Cache the symbols for elf_link_input_bfd. */ | |
708 | symtab_hdr->contents = (unsigned char *) local_syms; | |
709 | } | |
710 | } | |
15bda425 JL |
711 | |
712 | /* Record which BFD we built the section_syms mapping for. */ | |
713 | hppa_info->section_syms_bfd = abfd; | |
714 | } | |
715 | ||
716 | /* Record the symbol index for this input section. We may need it for | |
717 | relocations when building shared libraries. When not building shared | |
718 | libraries this value is never really used, but assign it to zero to | |
719 | prevent out of bounds memory accesses in other routines. */ | |
720 | if (info->shared) | |
721 | { | |
722 | sec_symndx = _bfd_elf_section_from_bfd_section (abfd, sec); | |
723 | ||
724 | /* If we did not find a section symbol for this section, then | |
725 | something went terribly wrong above. */ | |
726 | if (sec_symndx == -1) | |
b34976b6 | 727 | return FALSE; |
15bda425 JL |
728 | |
729 | sec_symndx = hppa_info->section_syms[sec_symndx]; | |
730 | } | |
731 | else | |
732 | sec_symndx = 0; | |
fe8bc63d | 733 | |
15bda425 JL |
734 | dlt = plt = stubs = NULL; |
735 | buf = NULL; | |
736 | buf_len = 0; | |
737 | ||
738 | relend = relocs + sec->reloc_count; | |
739 | for (rel = relocs; rel < relend; ++rel) | |
740 | { | |
560e09e9 NC |
741 | enum |
742 | { | |
743 | NEED_DLT = 1, | |
744 | NEED_PLT = 2, | |
745 | NEED_STUB = 4, | |
746 | NEED_OPD = 8, | |
747 | NEED_DYNREL = 16, | |
748 | }; | |
15bda425 JL |
749 | |
750 | struct elf_link_hash_entry *h = NULL; | |
751 | unsigned long r_symndx = ELF64_R_SYM (rel->r_info); | |
752 | struct elf64_hppa_dyn_hash_entry *dyn_h; | |
753 | int need_entry; | |
754 | const char *addr_name; | |
b34976b6 | 755 | bfd_boolean maybe_dynamic; |
15bda425 JL |
756 | int dynrel_type = R_PARISC_NONE; |
757 | static reloc_howto_type *howto; | |
758 | ||
759 | if (r_symndx >= symtab_hdr->sh_info) | |
760 | { | |
761 | /* We're dealing with a global symbol -- find its hash entry | |
762 | and mark it as being referenced. */ | |
763 | long indx = r_symndx - symtab_hdr->sh_info; | |
764 | h = elf_sym_hashes (abfd)[indx]; | |
765 | while (h->root.type == bfd_link_hash_indirect | |
766 | || h->root.type == bfd_link_hash_warning) | |
767 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
768 | ||
f5385ebf | 769 | h->ref_regular = 1; |
15bda425 JL |
770 | } |
771 | ||
772 | /* We can only get preliminary data on whether a symbol is | |
773 | locally or externally defined, as not all of the input files | |
774 | have yet been processed. Do something with what we know, as | |
775 | this may help reduce memory usage and processing time later. */ | |
b34976b6 | 776 | maybe_dynamic = FALSE; |
671bae9c | 777 | if (h && ((info->shared |
f5385ebf AM |
778 | && (!info->symbolic |
779 | || info->unresolved_syms_in_shared_libs == RM_IGNORE)) | |
780 | || !h->def_regular | |
15bda425 | 781 | || h->root.type == bfd_link_hash_defweak)) |
b34976b6 | 782 | maybe_dynamic = TRUE; |
15bda425 JL |
783 | |
784 | howto = elf_hppa_howto_table + ELF64_R_TYPE (rel->r_info); | |
785 | need_entry = 0; | |
786 | switch (howto->type) | |
787 | { | |
788 | /* These are simple indirect references to symbols through the | |
789 | DLT. We need to create a DLT entry for any symbols which | |
790 | appears in a DLTIND relocation. */ | |
791 | case R_PARISC_DLTIND21L: | |
792 | case R_PARISC_DLTIND14R: | |
793 | case R_PARISC_DLTIND14F: | |
794 | case R_PARISC_DLTIND14WR: | |
795 | case R_PARISC_DLTIND14DR: | |
796 | need_entry = NEED_DLT; | |
797 | break; | |
798 | ||
799 | /* ?!? These need a DLT entry. But I have no idea what to do with | |
800 | the "link time TP value. */ | |
801 | case R_PARISC_LTOFF_TP21L: | |
802 | case R_PARISC_LTOFF_TP14R: | |
803 | case R_PARISC_LTOFF_TP14F: | |
804 | case R_PARISC_LTOFF_TP64: | |
805 | case R_PARISC_LTOFF_TP14WR: | |
806 | case R_PARISC_LTOFF_TP14DR: | |
807 | case R_PARISC_LTOFF_TP16F: | |
808 | case R_PARISC_LTOFF_TP16WF: | |
809 | case R_PARISC_LTOFF_TP16DF: | |
810 | need_entry = NEED_DLT; | |
811 | break; | |
812 | ||
813 | /* These are function calls. Depending on their precise target we | |
814 | may need to make a stub for them. The stub uses the PLT, so we | |
815 | need to create PLT entries for these symbols too. */ | |
832d951b | 816 | case R_PARISC_PCREL12F: |
15bda425 JL |
817 | case R_PARISC_PCREL17F: |
818 | case R_PARISC_PCREL22F: | |
819 | case R_PARISC_PCREL32: | |
820 | case R_PARISC_PCREL64: | |
821 | case R_PARISC_PCREL21L: | |
822 | case R_PARISC_PCREL17R: | |
823 | case R_PARISC_PCREL17C: | |
824 | case R_PARISC_PCREL14R: | |
825 | case R_PARISC_PCREL14F: | |
826 | case R_PARISC_PCREL22C: | |
827 | case R_PARISC_PCREL14WR: | |
828 | case R_PARISC_PCREL14DR: | |
829 | case R_PARISC_PCREL16F: | |
830 | case R_PARISC_PCREL16WF: | |
831 | case R_PARISC_PCREL16DF: | |
832 | need_entry = (NEED_PLT | NEED_STUB); | |
833 | break; | |
834 | ||
835 | case R_PARISC_PLTOFF21L: | |
836 | case R_PARISC_PLTOFF14R: | |
837 | case R_PARISC_PLTOFF14F: | |
838 | case R_PARISC_PLTOFF14WR: | |
839 | case R_PARISC_PLTOFF14DR: | |
840 | case R_PARISC_PLTOFF16F: | |
841 | case R_PARISC_PLTOFF16WF: | |
842 | case R_PARISC_PLTOFF16DF: | |
843 | need_entry = (NEED_PLT); | |
844 | break; | |
845 | ||
846 | case R_PARISC_DIR64: | |
847 | if (info->shared || maybe_dynamic) | |
848 | need_entry = (NEED_DYNREL); | |
849 | dynrel_type = R_PARISC_DIR64; | |
850 | break; | |
851 | ||
852 | /* This is an indirect reference through the DLT to get the address | |
853 | of a OPD descriptor. Thus we need to make a DLT entry that points | |
854 | to an OPD entry. */ | |
855 | case R_PARISC_LTOFF_FPTR21L: | |
856 | case R_PARISC_LTOFF_FPTR14R: | |
857 | case R_PARISC_LTOFF_FPTR14WR: | |
858 | case R_PARISC_LTOFF_FPTR14DR: | |
859 | case R_PARISC_LTOFF_FPTR32: | |
860 | case R_PARISC_LTOFF_FPTR64: | |
861 | case R_PARISC_LTOFF_FPTR16F: | |
862 | case R_PARISC_LTOFF_FPTR16WF: | |
863 | case R_PARISC_LTOFF_FPTR16DF: | |
864 | if (info->shared || maybe_dynamic) | |
865 | need_entry = (NEED_DLT | NEED_OPD); | |
866 | else | |
867 | need_entry = (NEED_DLT | NEED_OPD); | |
868 | dynrel_type = R_PARISC_FPTR64; | |
869 | break; | |
870 | ||
871 | /* This is a simple OPD entry. */ | |
872 | case R_PARISC_FPTR64: | |
873 | if (info->shared || maybe_dynamic) | |
874 | need_entry = (NEED_OPD | NEED_DYNREL); | |
875 | else | |
876 | need_entry = (NEED_OPD); | |
877 | dynrel_type = R_PARISC_FPTR64; | |
878 | break; | |
879 | ||
880 | /* Add more cases as needed. */ | |
881 | } | |
882 | ||
883 | if (!need_entry) | |
884 | continue; | |
885 | ||
886 | /* Collect a canonical name for this address. */ | |
d63b5ed9 | 887 | addr_name = get_dyn_name (abfd, h, rel, &buf, &buf_len); |
15bda425 JL |
888 | |
889 | /* Collect the canonical entry data for this address. */ | |
890 | dyn_h = elf64_hppa_dyn_hash_lookup (&hppa_info->dyn_hash_table, | |
b34976b6 | 891 | addr_name, TRUE, TRUE); |
15bda425 JL |
892 | BFD_ASSERT (dyn_h); |
893 | ||
894 | /* Stash away enough information to be able to find this symbol | |
895 | regardless of whether or not it is local or global. */ | |
896 | dyn_h->h = h; | |
897 | dyn_h->owner = abfd; | |
898 | dyn_h->sym_indx = r_symndx; | |
899 | ||
900 | /* ?!? We may need to do some error checking in here. */ | |
901 | /* Create what's needed. */ | |
902 | if (need_entry & NEED_DLT) | |
903 | { | |
904 | if (! hppa_info->dlt_sec | |
905 | && ! get_dlt (abfd, info, hppa_info)) | |
906 | goto err_out; | |
907 | dyn_h->want_dlt = 1; | |
908 | } | |
909 | ||
910 | if (need_entry & NEED_PLT) | |
911 | { | |
912 | if (! hppa_info->plt_sec | |
913 | && ! get_plt (abfd, info, hppa_info)) | |
914 | goto err_out; | |
915 | dyn_h->want_plt = 1; | |
916 | } | |
917 | ||
918 | if (need_entry & NEED_STUB) | |
919 | { | |
920 | if (! hppa_info->stub_sec | |
921 | && ! get_stub (abfd, info, hppa_info)) | |
922 | goto err_out; | |
923 | dyn_h->want_stub = 1; | |
924 | } | |
925 | ||
926 | if (need_entry & NEED_OPD) | |
927 | { | |
928 | if (! hppa_info->opd_sec | |
929 | && ! get_opd (abfd, info, hppa_info)) | |
930 | goto err_out; | |
931 | ||
932 | dyn_h->want_opd = 1; | |
933 | ||
934 | /* FPTRs are not allocated by the dynamic linker for PA64, though | |
935 | it is possible that will change in the future. */ | |
fe8bc63d | 936 | |
15bda425 JL |
937 | /* This could be a local function that had its address taken, in |
938 | which case H will be NULL. */ | |
939 | if (h) | |
f5385ebf | 940 | h->needs_plt = 1; |
15bda425 JL |
941 | } |
942 | ||
943 | /* Add a new dynamic relocation to the chain of dynamic | |
944 | relocations for this symbol. */ | |
945 | if ((need_entry & NEED_DYNREL) && (sec->flags & SEC_ALLOC)) | |
946 | { | |
947 | if (! hppa_info->other_rel_sec | |
948 | && ! get_reloc_section (abfd, hppa_info, sec)) | |
949 | goto err_out; | |
950 | ||
951 | if (!count_dyn_reloc (abfd, dyn_h, dynrel_type, sec, | |
952 | sec_symndx, rel->r_offset, rel->r_addend)) | |
953 | goto err_out; | |
954 | ||
955 | /* If we are building a shared library and we just recorded | |
956 | a dynamic R_PARISC_FPTR64 relocation, then make sure the | |
957 | section symbol for this section ends up in the dynamic | |
958 | symbol table. */ | |
959 | if (info->shared && dynrel_type == R_PARISC_FPTR64 | |
c152c796 | 960 | && ! (bfd_elf_link_record_local_dynamic_symbol |
15bda425 | 961 | (info, abfd, sec_symndx))) |
b34976b6 | 962 | return FALSE; |
15bda425 JL |
963 | } |
964 | } | |
965 | ||
966 | if (buf) | |
967 | free (buf); | |
b34976b6 | 968 | return TRUE; |
15bda425 JL |
969 | |
970 | err_out: | |
971 | if (buf) | |
972 | free (buf); | |
b34976b6 | 973 | return FALSE; |
15bda425 JL |
974 | } |
975 | ||
976 | struct elf64_hppa_allocate_data | |
977 | { | |
978 | struct bfd_link_info *info; | |
979 | bfd_size_type ofs; | |
980 | }; | |
981 | ||
982 | /* Should we do dynamic things to this symbol? */ | |
983 | ||
b34976b6 | 984 | static bfd_boolean |
15bda425 JL |
985 | elf64_hppa_dynamic_symbol_p (h, info) |
986 | struct elf_link_hash_entry *h; | |
987 | struct bfd_link_info *info; | |
988 | { | |
986a241f RH |
989 | /* ??? What, if anything, needs to happen wrt STV_PROTECTED symbols |
990 | and relocations that retrieve a function descriptor? Assume the | |
991 | worst for now. */ | |
992 | if (_bfd_elf_dynamic_symbol_p (h, info, 1)) | |
993 | { | |
994 | /* ??? Why is this here and not elsewhere is_local_label_name. */ | |
995 | if (h->root.root.string[0] == '$' && h->root.root.string[1] == '$') | |
996 | return FALSE; | |
15bda425 | 997 | |
986a241f RH |
998 | return TRUE; |
999 | } | |
1000 | else | |
b34976b6 | 1001 | return FALSE; |
15bda425 JL |
1002 | } |
1003 | ||
4cc11e76 | 1004 | /* Mark all functions exported by this file so that we can later allocate |
15bda425 JL |
1005 | entries in .opd for them. */ |
1006 | ||
b34976b6 | 1007 | static bfd_boolean |
15bda425 JL |
1008 | elf64_hppa_mark_exported_functions (h, data) |
1009 | struct elf_link_hash_entry *h; | |
1010 | PTR data; | |
1011 | { | |
1012 | struct bfd_link_info *info = (struct bfd_link_info *)data; | |
1013 | struct elf64_hppa_link_hash_table *hppa_info; | |
1014 | ||
1015 | hppa_info = elf64_hppa_hash_table (info); | |
1016 | ||
e92d460e AM |
1017 | if (h->root.type == bfd_link_hash_warning) |
1018 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
1019 | ||
15bda425 JL |
1020 | if (h |
1021 | && (h->root.type == bfd_link_hash_defined | |
1022 | || h->root.type == bfd_link_hash_defweak) | |
1023 | && h->root.u.def.section->output_section != NULL | |
1024 | && h->type == STT_FUNC) | |
1025 | { | |
1026 | struct elf64_hppa_dyn_hash_entry *dyn_h; | |
1027 | ||
1028 | /* Add this symbol to the PA64 linker hash table. */ | |
1029 | dyn_h = elf64_hppa_dyn_hash_lookup (&hppa_info->dyn_hash_table, | |
b34976b6 | 1030 | h->root.root.string, TRUE, TRUE); |
15bda425 JL |
1031 | BFD_ASSERT (dyn_h); |
1032 | dyn_h->h = h; | |
1033 | ||
1034 | if (! hppa_info->opd_sec | |
1035 | && ! get_opd (hppa_info->root.dynobj, info, hppa_info)) | |
b34976b6 | 1036 | return FALSE; |
15bda425 JL |
1037 | |
1038 | dyn_h->want_opd = 1; | |
832d951b AM |
1039 | /* Put a flag here for output_symbol_hook. */ |
1040 | dyn_h->st_shndx = -1; | |
f5385ebf | 1041 | h->needs_plt = 1; |
15bda425 JL |
1042 | } |
1043 | ||
b34976b6 | 1044 | return TRUE; |
15bda425 JL |
1045 | } |
1046 | ||
1047 | /* Allocate space for a DLT entry. */ | |
1048 | ||
b34976b6 | 1049 | static bfd_boolean |
15bda425 JL |
1050 | allocate_global_data_dlt (dyn_h, data) |
1051 | struct elf64_hppa_dyn_hash_entry *dyn_h; | |
1052 | PTR data; | |
1053 | { | |
1054 | struct elf64_hppa_allocate_data *x = (struct elf64_hppa_allocate_data *)data; | |
1055 | ||
1056 | if (dyn_h->want_dlt) | |
1057 | { | |
1058 | struct elf_link_hash_entry *h = dyn_h->h; | |
1059 | ||
1060 | if (x->info->shared) | |
1061 | { | |
1062 | /* Possibly add the symbol to the local dynamic symbol | |
1063 | table since we might need to create a dynamic relocation | |
1064 | against it. */ | |
1065 | if (! h | |
47b7c2db | 1066 | || (h->dynindx == -1 && h->type != STT_PARISC_MILLI)) |
15bda425 JL |
1067 | { |
1068 | bfd *owner; | |
1069 | owner = (h ? h->root.u.def.section->owner : dyn_h->owner); | |
1070 | ||
c152c796 | 1071 | if (! (bfd_elf_link_record_local_dynamic_symbol |
dc810e39 | 1072 | (x->info, owner, dyn_h->sym_indx))) |
b34976b6 | 1073 | return FALSE; |
15bda425 JL |
1074 | } |
1075 | } | |
1076 | ||
1077 | dyn_h->dlt_offset = x->ofs; | |
1078 | x->ofs += DLT_ENTRY_SIZE; | |
1079 | } | |
b34976b6 | 1080 | return TRUE; |
15bda425 JL |
1081 | } |
1082 | ||
1083 | /* Allocate space for a DLT.PLT entry. */ | |
1084 | ||
b34976b6 | 1085 | static bfd_boolean |
15bda425 JL |
1086 | allocate_global_data_plt (dyn_h, data) |
1087 | struct elf64_hppa_dyn_hash_entry *dyn_h; | |
1088 | PTR data; | |
1089 | { | |
1090 | struct elf64_hppa_allocate_data *x = (struct elf64_hppa_allocate_data *)data; | |
1091 | ||
1092 | if (dyn_h->want_plt | |
1093 | && elf64_hppa_dynamic_symbol_p (dyn_h->h, x->info) | |
1094 | && !((dyn_h->h->root.type == bfd_link_hash_defined | |
1095 | || dyn_h->h->root.type == bfd_link_hash_defweak) | |
1096 | && dyn_h->h->root.u.def.section->output_section != NULL)) | |
1097 | { | |
1098 | dyn_h->plt_offset = x->ofs; | |
1099 | x->ofs += PLT_ENTRY_SIZE; | |
1100 | if (dyn_h->plt_offset < 0x2000) | |
1101 | elf64_hppa_hash_table (x->info)->gp_offset = dyn_h->plt_offset; | |
1102 | } | |
1103 | else | |
1104 | dyn_h->want_plt = 0; | |
1105 | ||
b34976b6 | 1106 | return TRUE; |
15bda425 JL |
1107 | } |
1108 | ||
1109 | /* Allocate space for a STUB entry. */ | |
1110 | ||
b34976b6 | 1111 | static bfd_boolean |
15bda425 JL |
1112 | allocate_global_data_stub (dyn_h, data) |
1113 | struct elf64_hppa_dyn_hash_entry *dyn_h; | |
1114 | PTR data; | |
1115 | { | |
1116 | struct elf64_hppa_allocate_data *x = (struct elf64_hppa_allocate_data *)data; | |
1117 | ||
1118 | if (dyn_h->want_stub | |
1119 | && elf64_hppa_dynamic_symbol_p (dyn_h->h, x->info) | |
1120 | && !((dyn_h->h->root.type == bfd_link_hash_defined | |
1121 | || dyn_h->h->root.type == bfd_link_hash_defweak) | |
1122 | && dyn_h->h->root.u.def.section->output_section != NULL)) | |
1123 | { | |
1124 | dyn_h->stub_offset = x->ofs; | |
1125 | x->ofs += sizeof (plt_stub); | |
1126 | } | |
1127 | else | |
1128 | dyn_h->want_stub = 0; | |
b34976b6 | 1129 | return TRUE; |
15bda425 JL |
1130 | } |
1131 | ||
1132 | /* Allocate space for a FPTR entry. */ | |
1133 | ||
b34976b6 | 1134 | static bfd_boolean |
15bda425 JL |
1135 | allocate_global_data_opd (dyn_h, data) |
1136 | struct elf64_hppa_dyn_hash_entry *dyn_h; | |
1137 | PTR data; | |
1138 | { | |
1139 | struct elf64_hppa_allocate_data *x = (struct elf64_hppa_allocate_data *)data; | |
1140 | ||
1141 | if (dyn_h->want_opd) | |
1142 | { | |
1143 | struct elf_link_hash_entry *h = dyn_h->h; | |
fe8bc63d | 1144 | |
15bda425 JL |
1145 | if (h) |
1146 | while (h->root.type == bfd_link_hash_indirect | |
1147 | || h->root.type == bfd_link_hash_warning) | |
1148 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
1149 | ||
1150 | /* We never need an opd entry for a symbol which is not | |
1151 | defined by this output file. */ | |
3db4b612 | 1152 | if (h && (h->root.type == bfd_link_hash_undefined |
af7cfa33 | 1153 | || h->root.type == bfd_link_hash_undefweak |
3db4b612 | 1154 | || h->root.u.def.section->output_section == NULL)) |
15bda425 JL |
1155 | dyn_h->want_opd = 0; |
1156 | ||
1157 | /* If we are creating a shared library, took the address of a local | |
1158 | function or might export this function from this object file, then | |
1159 | we have to create an opd descriptor. */ | |
1160 | else if (x->info->shared | |
1161 | || h == NULL | |
47b7c2db | 1162 | || (h->dynindx == -1 && h->type != STT_PARISC_MILLI) |
3db4b612 JL |
1163 | || (h->root.type == bfd_link_hash_defined |
1164 | || h->root.type == bfd_link_hash_defweak)) | |
15bda425 JL |
1165 | { |
1166 | /* If we are creating a shared library, then we will have to | |
1167 | create a runtime relocation for the symbol to properly | |
1168 | initialize the .opd entry. Make sure the symbol gets | |
1169 | added to the dynamic symbol table. */ | |
1170 | if (x->info->shared | |
1171 | && (h == NULL || (h->dynindx == -1))) | |
1172 | { | |
1173 | bfd *owner; | |
1174 | owner = (h ? h->root.u.def.section->owner : dyn_h->owner); | |
1175 | ||
c152c796 | 1176 | if (!bfd_elf_link_record_local_dynamic_symbol |
15bda425 | 1177 | (x->info, owner, dyn_h->sym_indx)) |
b34976b6 | 1178 | return FALSE; |
15bda425 JL |
1179 | } |
1180 | ||
1181 | /* This may not be necessary or desirable anymore now that | |
1182 | we have some support for dealing with section symbols | |
1183 | in dynamic relocs. But name munging does make the result | |
1184 | much easier to debug. ie, the EPLT reloc will reference | |
1185 | a symbol like .foobar, instead of .text + offset. */ | |
1186 | if (x->info->shared && h) | |
1187 | { | |
1188 | char *new_name; | |
1189 | struct elf_link_hash_entry *nh; | |
1190 | ||
1191 | new_name = alloca (strlen (h->root.root.string) + 2); | |
1192 | new_name[0] = '.'; | |
1193 | strcpy (new_name + 1, h->root.root.string); | |
1194 | ||
1195 | nh = elf_link_hash_lookup (elf_hash_table (x->info), | |
b34976b6 | 1196 | new_name, TRUE, TRUE, TRUE); |
15bda425 JL |
1197 | |
1198 | nh->root.type = h->root.type; | |
1199 | nh->root.u.def.value = h->root.u.def.value; | |
1200 | nh->root.u.def.section = h->root.u.def.section; | |
1201 | ||
c152c796 | 1202 | if (! bfd_elf_link_record_dynamic_symbol (x->info, nh)) |
b34976b6 | 1203 | return FALSE; |
15bda425 JL |
1204 | |
1205 | } | |
1206 | dyn_h->opd_offset = x->ofs; | |
1207 | x->ofs += OPD_ENTRY_SIZE; | |
1208 | } | |
1209 | ||
1210 | /* Otherwise we do not need an opd entry. */ | |
1211 | else | |
1212 | dyn_h->want_opd = 0; | |
1213 | } | |
b34976b6 | 1214 | return TRUE; |
15bda425 JL |
1215 | } |
1216 | ||
1217 | /* HP requires the EI_OSABI field to be filled in. The assignment to | |
1218 | EI_ABIVERSION may not be strictly necessary. */ | |
1219 | ||
1220 | static void | |
1221 | elf64_hppa_post_process_headers (abfd, link_info) | |
1222 | bfd * abfd; | |
1223 | struct bfd_link_info * link_info ATTRIBUTE_UNUSED; | |
1224 | { | |
1225 | Elf_Internal_Ehdr * i_ehdrp; | |
1226 | ||
1227 | i_ehdrp = elf_elfheader (abfd); | |
d1036acb L |
1228 | |
1229 | i_ehdrp->e_ident[EI_OSABI] = get_elf_backend_data (abfd)->elf_osabi; | |
1230 | i_ehdrp->e_ident[EI_ABIVERSION] = 1; | |
15bda425 JL |
1231 | } |
1232 | ||
1233 | /* Create function descriptor section (.opd). This section is called .opd | |
4cc11e76 | 1234 | because it contains "official procedure descriptors". The "official" |
15bda425 JL |
1235 | refers to the fact that these descriptors are used when taking the address |
1236 | of a procedure, thus ensuring a unique address for each procedure. */ | |
1237 | ||
b34976b6 | 1238 | static bfd_boolean |
15bda425 JL |
1239 | get_opd (abfd, info, hppa_info) |
1240 | bfd *abfd; | |
edd21aca | 1241 | struct bfd_link_info *info ATTRIBUTE_UNUSED; |
15bda425 JL |
1242 | struct elf64_hppa_link_hash_table *hppa_info; |
1243 | { | |
1244 | asection *opd; | |
1245 | bfd *dynobj; | |
1246 | ||
1247 | opd = hppa_info->opd_sec; | |
1248 | if (!opd) | |
1249 | { | |
1250 | dynobj = hppa_info->root.dynobj; | |
1251 | if (!dynobj) | |
1252 | hppa_info->root.dynobj = dynobj = abfd; | |
1253 | ||
3496cb2a L |
1254 | opd = bfd_make_section_with_flags (dynobj, ".opd", |
1255 | (SEC_ALLOC | |
1256 | | SEC_LOAD | |
1257 | | SEC_HAS_CONTENTS | |
1258 | | SEC_IN_MEMORY | |
1259 | | SEC_LINKER_CREATED)); | |
15bda425 | 1260 | if (!opd |
15bda425 JL |
1261 | || !bfd_set_section_alignment (abfd, opd, 3)) |
1262 | { | |
1263 | BFD_ASSERT (0); | |
b34976b6 | 1264 | return FALSE; |
15bda425 JL |
1265 | } |
1266 | ||
1267 | hppa_info->opd_sec = opd; | |
1268 | } | |
1269 | ||
b34976b6 | 1270 | return TRUE; |
15bda425 JL |
1271 | } |
1272 | ||
1273 | /* Create the PLT section. */ | |
1274 | ||
b34976b6 | 1275 | static bfd_boolean |
15bda425 JL |
1276 | get_plt (abfd, info, hppa_info) |
1277 | bfd *abfd; | |
edd21aca | 1278 | struct bfd_link_info *info ATTRIBUTE_UNUSED; |
15bda425 JL |
1279 | struct elf64_hppa_link_hash_table *hppa_info; |
1280 | { | |
1281 | asection *plt; | |
1282 | bfd *dynobj; | |
1283 | ||
1284 | plt = hppa_info->plt_sec; | |
1285 | if (!plt) | |
1286 | { | |
1287 | dynobj = hppa_info->root.dynobj; | |
1288 | if (!dynobj) | |
1289 | hppa_info->root.dynobj = dynobj = abfd; | |
1290 | ||
3496cb2a L |
1291 | plt = bfd_make_section_with_flags (dynobj, ".plt", |
1292 | (SEC_ALLOC | |
1293 | | SEC_LOAD | |
1294 | | SEC_HAS_CONTENTS | |
1295 | | SEC_IN_MEMORY | |
1296 | | SEC_LINKER_CREATED)); | |
15bda425 | 1297 | if (!plt |
15bda425 JL |
1298 | || !bfd_set_section_alignment (abfd, plt, 3)) |
1299 | { | |
1300 | BFD_ASSERT (0); | |
b34976b6 | 1301 | return FALSE; |
15bda425 JL |
1302 | } |
1303 | ||
1304 | hppa_info->plt_sec = plt; | |
1305 | } | |
1306 | ||
b34976b6 | 1307 | return TRUE; |
15bda425 JL |
1308 | } |
1309 | ||
1310 | /* Create the DLT section. */ | |
1311 | ||
b34976b6 | 1312 | static bfd_boolean |
15bda425 JL |
1313 | get_dlt (abfd, info, hppa_info) |
1314 | bfd *abfd; | |
edd21aca | 1315 | struct bfd_link_info *info ATTRIBUTE_UNUSED; |
15bda425 JL |
1316 | struct elf64_hppa_link_hash_table *hppa_info; |
1317 | { | |
1318 | asection *dlt; | |
1319 | bfd *dynobj; | |
1320 | ||
1321 | dlt = hppa_info->dlt_sec; | |
1322 | if (!dlt) | |
1323 | { | |
1324 | dynobj = hppa_info->root.dynobj; | |
1325 | if (!dynobj) | |
1326 | hppa_info->root.dynobj = dynobj = abfd; | |
1327 | ||
3496cb2a L |
1328 | dlt = bfd_make_section_with_flags (dynobj, ".dlt", |
1329 | (SEC_ALLOC | |
1330 | | SEC_LOAD | |
1331 | | SEC_HAS_CONTENTS | |
1332 | | SEC_IN_MEMORY | |
1333 | | SEC_LINKER_CREATED)); | |
15bda425 | 1334 | if (!dlt |
15bda425 JL |
1335 | || !bfd_set_section_alignment (abfd, dlt, 3)) |
1336 | { | |
1337 | BFD_ASSERT (0); | |
b34976b6 | 1338 | return FALSE; |
15bda425 JL |
1339 | } |
1340 | ||
1341 | hppa_info->dlt_sec = dlt; | |
1342 | } | |
1343 | ||
b34976b6 | 1344 | return TRUE; |
15bda425 JL |
1345 | } |
1346 | ||
1347 | /* Create the stubs section. */ | |
1348 | ||
b34976b6 | 1349 | static bfd_boolean |
15bda425 JL |
1350 | get_stub (abfd, info, hppa_info) |
1351 | bfd *abfd; | |
edd21aca | 1352 | struct bfd_link_info *info ATTRIBUTE_UNUSED; |
15bda425 JL |
1353 | struct elf64_hppa_link_hash_table *hppa_info; |
1354 | { | |
1355 | asection *stub; | |
1356 | bfd *dynobj; | |
1357 | ||
1358 | stub = hppa_info->stub_sec; | |
1359 | if (!stub) | |
1360 | { | |
1361 | dynobj = hppa_info->root.dynobj; | |
1362 | if (!dynobj) | |
1363 | hppa_info->root.dynobj = dynobj = abfd; | |
1364 | ||
3496cb2a L |
1365 | stub = bfd_make_section_with_flags (dynobj, ".stub", |
1366 | (SEC_ALLOC | SEC_LOAD | |
1367 | | SEC_HAS_CONTENTS | |
1368 | | SEC_IN_MEMORY | |
1369 | | SEC_READONLY | |
1370 | | SEC_LINKER_CREATED)); | |
15bda425 | 1371 | if (!stub |
15bda425 JL |
1372 | || !bfd_set_section_alignment (abfd, stub, 3)) |
1373 | { | |
1374 | BFD_ASSERT (0); | |
b34976b6 | 1375 | return FALSE; |
15bda425 JL |
1376 | } |
1377 | ||
1378 | hppa_info->stub_sec = stub; | |
1379 | } | |
1380 | ||
b34976b6 | 1381 | return TRUE; |
15bda425 JL |
1382 | } |
1383 | ||
1384 | /* Create sections necessary for dynamic linking. This is only a rough | |
1385 | cut and will likely change as we learn more about the somewhat | |
1386 | unusual dynamic linking scheme HP uses. | |
1387 | ||
1388 | .stub: | |
1389 | Contains code to implement cross-space calls. The first time one | |
1390 | of the stubs is used it will call into the dynamic linker, later | |
1391 | calls will go straight to the target. | |
1392 | ||
1393 | The only stub we support right now looks like | |
1394 | ||
1395 | ldd OFFSET(%dp),%r1 | |
1396 | bve %r0(%r1) | |
1397 | ldd OFFSET+8(%dp),%dp | |
1398 | ||
1399 | Other stubs may be needed in the future. We may want the remove | |
1400 | the break/nop instruction. It is only used right now to keep the | |
1401 | offset of a .plt entry and a .stub entry in sync. | |
1402 | ||
1403 | .dlt: | |
1404 | This is what most people call the .got. HP used a different name. | |
1405 | Losers. | |
1406 | ||
1407 | .rela.dlt: | |
1408 | Relocations for the DLT. | |
1409 | ||
1410 | .plt: | |
1411 | Function pointers as address,gp pairs. | |
1412 | ||
1413 | .rela.plt: | |
1414 | Should contain dynamic IPLT (and EPLT?) relocations. | |
1415 | ||
1416 | .opd: | |
fe8bc63d | 1417 | FPTRS |
15bda425 JL |
1418 | |
1419 | .rela.opd: | |
1420 | EPLT relocations for symbols exported from shared libraries. */ | |
1421 | ||
b34976b6 | 1422 | static bfd_boolean |
15bda425 JL |
1423 | elf64_hppa_create_dynamic_sections (abfd, info) |
1424 | bfd *abfd; | |
1425 | struct bfd_link_info *info; | |
1426 | { | |
1427 | asection *s; | |
1428 | ||
1429 | if (! get_stub (abfd, info, elf64_hppa_hash_table (info))) | |
b34976b6 | 1430 | return FALSE; |
15bda425 JL |
1431 | |
1432 | if (! get_dlt (abfd, info, elf64_hppa_hash_table (info))) | |
b34976b6 | 1433 | return FALSE; |
15bda425 JL |
1434 | |
1435 | if (! get_plt (abfd, info, elf64_hppa_hash_table (info))) | |
b34976b6 | 1436 | return FALSE; |
15bda425 JL |
1437 | |
1438 | if (! get_opd (abfd, info, elf64_hppa_hash_table (info))) | |
b34976b6 | 1439 | return FALSE; |
15bda425 | 1440 | |
3496cb2a L |
1441 | s = bfd_make_section_with_flags (abfd, ".rela.dlt", |
1442 | (SEC_ALLOC | SEC_LOAD | |
1443 | | SEC_HAS_CONTENTS | |
1444 | | SEC_IN_MEMORY | |
1445 | | SEC_READONLY | |
1446 | | SEC_LINKER_CREATED)); | |
15bda425 | 1447 | if (s == NULL |
15bda425 | 1448 | || !bfd_set_section_alignment (abfd, s, 3)) |
b34976b6 | 1449 | return FALSE; |
15bda425 JL |
1450 | elf64_hppa_hash_table (info)->dlt_rel_sec = s; |
1451 | ||
3496cb2a L |
1452 | s = bfd_make_section_with_flags (abfd, ".rela.plt", |
1453 | (SEC_ALLOC | SEC_LOAD | |
1454 | | SEC_HAS_CONTENTS | |
1455 | | SEC_IN_MEMORY | |
1456 | | SEC_READONLY | |
1457 | | SEC_LINKER_CREATED)); | |
15bda425 | 1458 | if (s == NULL |
15bda425 | 1459 | || !bfd_set_section_alignment (abfd, s, 3)) |
b34976b6 | 1460 | return FALSE; |
15bda425 JL |
1461 | elf64_hppa_hash_table (info)->plt_rel_sec = s; |
1462 | ||
3496cb2a L |
1463 | s = bfd_make_section_with_flags (abfd, ".rela.data", |
1464 | (SEC_ALLOC | SEC_LOAD | |
1465 | | SEC_HAS_CONTENTS | |
1466 | | SEC_IN_MEMORY | |
1467 | | SEC_READONLY | |
1468 | | SEC_LINKER_CREATED)); | |
15bda425 | 1469 | if (s == NULL |
15bda425 | 1470 | || !bfd_set_section_alignment (abfd, s, 3)) |
b34976b6 | 1471 | return FALSE; |
15bda425 JL |
1472 | elf64_hppa_hash_table (info)->other_rel_sec = s; |
1473 | ||
3496cb2a L |
1474 | s = bfd_make_section_with_flags (abfd, ".rela.opd", |
1475 | (SEC_ALLOC | SEC_LOAD | |
1476 | | SEC_HAS_CONTENTS | |
1477 | | SEC_IN_MEMORY | |
1478 | | SEC_READONLY | |
1479 | | SEC_LINKER_CREATED)); | |
15bda425 | 1480 | if (s == NULL |
15bda425 | 1481 | || !bfd_set_section_alignment (abfd, s, 3)) |
b34976b6 | 1482 | return FALSE; |
15bda425 JL |
1483 | elf64_hppa_hash_table (info)->opd_rel_sec = s; |
1484 | ||
b34976b6 | 1485 | return TRUE; |
15bda425 JL |
1486 | } |
1487 | ||
1488 | /* Allocate dynamic relocations for those symbols that turned out | |
1489 | to be dynamic. */ | |
1490 | ||
b34976b6 | 1491 | static bfd_boolean |
15bda425 JL |
1492 | allocate_dynrel_entries (dyn_h, data) |
1493 | struct elf64_hppa_dyn_hash_entry *dyn_h; | |
1494 | PTR data; | |
1495 | { | |
1496 | struct elf64_hppa_allocate_data *x = (struct elf64_hppa_allocate_data *)data; | |
1497 | struct elf64_hppa_link_hash_table *hppa_info; | |
1498 | struct elf64_hppa_dyn_reloc_entry *rent; | |
b34976b6 | 1499 | bfd_boolean dynamic_symbol, shared; |
15bda425 JL |
1500 | |
1501 | hppa_info = elf64_hppa_hash_table (x->info); | |
1502 | dynamic_symbol = elf64_hppa_dynamic_symbol_p (dyn_h->h, x->info); | |
1503 | shared = x->info->shared; | |
1504 | ||
1505 | /* We may need to allocate relocations for a non-dynamic symbol | |
1506 | when creating a shared library. */ | |
1507 | if (!dynamic_symbol && !shared) | |
b34976b6 | 1508 | return TRUE; |
15bda425 JL |
1509 | |
1510 | /* Take care of the normal data relocations. */ | |
1511 | ||
1512 | for (rent = dyn_h->reloc_entries; rent; rent = rent->next) | |
1513 | { | |
d663e1cd JL |
1514 | /* Allocate one iff we are building a shared library, the relocation |
1515 | isn't a R_PARISC_FPTR64, or we don't want an opd entry. */ | |
1516 | if (!shared && rent->type == R_PARISC_FPTR64 && dyn_h->want_opd) | |
1517 | continue; | |
1518 | ||
eea6121a | 1519 | hppa_info->other_rel_sec->size += sizeof (Elf64_External_Rela); |
15bda425 JL |
1520 | |
1521 | /* Make sure this symbol gets into the dynamic symbol table if it is | |
1522 | not already recorded. ?!? This should not be in the loop since | |
1523 | the symbol need only be added once. */ | |
47b7c2db AM |
1524 | if (dyn_h->h == 0 |
1525 | || (dyn_h->h->dynindx == -1 && dyn_h->h->type != STT_PARISC_MILLI)) | |
c152c796 | 1526 | if (!bfd_elf_link_record_local_dynamic_symbol |
15bda425 | 1527 | (x->info, rent->sec->owner, dyn_h->sym_indx)) |
b34976b6 | 1528 | return FALSE; |
15bda425 JL |
1529 | } |
1530 | ||
1531 | /* Take care of the GOT and PLT relocations. */ | |
1532 | ||
1533 | if ((dynamic_symbol || shared) && dyn_h->want_dlt) | |
eea6121a | 1534 | hppa_info->dlt_rel_sec->size += sizeof (Elf64_External_Rela); |
15bda425 JL |
1535 | |
1536 | /* If we are building a shared library, then every symbol that has an | |
1537 | opd entry will need an EPLT relocation to relocate the symbol's address | |
1538 | and __gp value based on the runtime load address. */ | |
1539 | if (shared && dyn_h->want_opd) | |
eea6121a | 1540 | hppa_info->opd_rel_sec->size += sizeof (Elf64_External_Rela); |
15bda425 JL |
1541 | |
1542 | if (dyn_h->want_plt && dynamic_symbol) | |
1543 | { | |
1544 | bfd_size_type t = 0; | |
1545 | ||
1546 | /* Dynamic symbols get one IPLT relocation. Local symbols in | |
1547 | shared libraries get two REL relocations. Local symbols in | |
1548 | main applications get nothing. */ | |
1549 | if (dynamic_symbol) | |
1550 | t = sizeof (Elf64_External_Rela); | |
1551 | else if (shared) | |
1552 | t = 2 * sizeof (Elf64_External_Rela); | |
1553 | ||
eea6121a | 1554 | hppa_info->plt_rel_sec->size += t; |
15bda425 JL |
1555 | } |
1556 | ||
b34976b6 | 1557 | return TRUE; |
15bda425 JL |
1558 | } |
1559 | ||
1560 | /* Adjust a symbol defined by a dynamic object and referenced by a | |
1561 | regular object. */ | |
1562 | ||
b34976b6 | 1563 | static bfd_boolean |
15bda425 | 1564 | elf64_hppa_adjust_dynamic_symbol (info, h) |
edd21aca | 1565 | struct bfd_link_info *info ATTRIBUTE_UNUSED; |
15bda425 JL |
1566 | struct elf_link_hash_entry *h; |
1567 | { | |
1568 | /* ??? Undefined symbols with PLT entries should be re-defined | |
1569 | to be the PLT entry. */ | |
1570 | ||
1571 | /* If this is a weak symbol, and there is a real definition, the | |
1572 | processor independent code will have arranged for us to see the | |
1573 | real definition first, and we can just use the same value. */ | |
f6e332e6 | 1574 | if (h->u.weakdef != NULL) |
15bda425 | 1575 | { |
f6e332e6 AM |
1576 | BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined |
1577 | || h->u.weakdef->root.type == bfd_link_hash_defweak); | |
1578 | h->root.u.def.section = h->u.weakdef->root.u.def.section; | |
1579 | h->root.u.def.value = h->u.weakdef->root.u.def.value; | |
b34976b6 | 1580 | return TRUE; |
15bda425 JL |
1581 | } |
1582 | ||
1583 | /* If this is a reference to a symbol defined by a dynamic object which | |
1584 | is not a function, we might allocate the symbol in our .dynbss section | |
1585 | and allocate a COPY dynamic relocation. | |
1586 | ||
1587 | But PA64 code is canonically PIC, so as a rule we can avoid this sort | |
1588 | of hackery. */ | |
1589 | ||
b34976b6 | 1590 | return TRUE; |
15bda425 JL |
1591 | } |
1592 | ||
47b7c2db AM |
1593 | /* This function is called via elf_link_hash_traverse to mark millicode |
1594 | symbols with a dynindx of -1 and to remove the string table reference | |
1595 | from the dynamic symbol table. If the symbol is not a millicode symbol, | |
1596 | elf64_hppa_mark_exported_functions is called. */ | |
1597 | ||
b34976b6 | 1598 | static bfd_boolean |
47b7c2db AM |
1599 | elf64_hppa_mark_milli_and_exported_functions (h, data) |
1600 | struct elf_link_hash_entry *h; | |
1601 | PTR data; | |
1602 | { | |
1603 | struct bfd_link_info *info = (struct bfd_link_info *)data; | |
1604 | struct elf_link_hash_entry *elf = h; | |
1605 | ||
1606 | if (elf->root.type == bfd_link_hash_warning) | |
1607 | elf = (struct elf_link_hash_entry *) elf->root.u.i.link; | |
1608 | ||
1609 | if (elf->type == STT_PARISC_MILLI) | |
1610 | { | |
1611 | if (elf->dynindx != -1) | |
1612 | { | |
1613 | elf->dynindx = -1; | |
1614 | _bfd_elf_strtab_delref (elf_hash_table (info)->dynstr, | |
1615 | elf->dynstr_index); | |
1616 | } | |
b34976b6 | 1617 | return TRUE; |
47b7c2db AM |
1618 | } |
1619 | ||
1620 | return elf64_hppa_mark_exported_functions (h, data); | |
1621 | } | |
1622 | ||
15bda425 JL |
1623 | /* Set the final sizes of the dynamic sections and allocate memory for |
1624 | the contents of our special sections. */ | |
1625 | ||
b34976b6 | 1626 | static bfd_boolean |
15bda425 JL |
1627 | elf64_hppa_size_dynamic_sections (output_bfd, info) |
1628 | bfd *output_bfd; | |
1629 | struct bfd_link_info *info; | |
1630 | { | |
1631 | bfd *dynobj; | |
1632 | asection *s; | |
b34976b6 AM |
1633 | bfd_boolean plt; |
1634 | bfd_boolean relocs; | |
1635 | bfd_boolean reltext; | |
15bda425 JL |
1636 | struct elf64_hppa_allocate_data data; |
1637 | struct elf64_hppa_link_hash_table *hppa_info; | |
1638 | ||
1639 | hppa_info = elf64_hppa_hash_table (info); | |
1640 | ||
1641 | dynobj = elf_hash_table (info)->dynobj; | |
1642 | BFD_ASSERT (dynobj != NULL); | |
1643 | ||
47b7c2db AM |
1644 | /* Mark each function this program exports so that we will allocate |
1645 | space in the .opd section for each function's FPTR. If we are | |
1646 | creating dynamic sections, change the dynamic index of millicode | |
1647 | symbols to -1 and remove them from the string table for .dynstr. | |
1648 | ||
1649 | We have to traverse the main linker hash table since we have to | |
1650 | find functions which may not have been mentioned in any relocs. */ | |
1651 | elf_link_hash_traverse (elf_hash_table (info), | |
1652 | (elf_hash_table (info)->dynamic_sections_created | |
1653 | ? elf64_hppa_mark_milli_and_exported_functions | |
1654 | : elf64_hppa_mark_exported_functions), | |
1655 | info); | |
1656 | ||
15bda425 JL |
1657 | if (elf_hash_table (info)->dynamic_sections_created) |
1658 | { | |
1659 | /* Set the contents of the .interp section to the interpreter. */ | |
893c4fe2 | 1660 | if (info->executable) |
15bda425 JL |
1661 | { |
1662 | s = bfd_get_section_by_name (dynobj, ".interp"); | |
1663 | BFD_ASSERT (s != NULL); | |
eea6121a | 1664 | s->size = sizeof ELF_DYNAMIC_INTERPRETER; |
15bda425 JL |
1665 | s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER; |
1666 | } | |
1667 | } | |
1668 | else | |
1669 | { | |
1670 | /* We may have created entries in the .rela.got section. | |
1671 | However, if we are not creating the dynamic sections, we will | |
1672 | not actually use these entries. Reset the size of .rela.dlt, | |
1673 | which will cause it to get stripped from the output file | |
1674 | below. */ | |
1675 | s = bfd_get_section_by_name (dynobj, ".rela.dlt"); | |
1676 | if (s != NULL) | |
eea6121a | 1677 | s->size = 0; |
15bda425 JL |
1678 | } |
1679 | ||
1680 | /* Allocate the GOT entries. */ | |
1681 | ||
1682 | data.info = info; | |
1683 | if (elf64_hppa_hash_table (info)->dlt_sec) | |
1684 | { | |
1685 | data.ofs = 0x0; | |
1686 | elf64_hppa_dyn_hash_traverse (&hppa_info->dyn_hash_table, | |
1687 | allocate_global_data_dlt, &data); | |
eea6121a | 1688 | hppa_info->dlt_sec->size = data.ofs; |
15bda425 JL |
1689 | |
1690 | data.ofs = 0x0; | |
1691 | elf64_hppa_dyn_hash_traverse (&hppa_info->dyn_hash_table, | |
1692 | allocate_global_data_plt, &data); | |
eea6121a | 1693 | hppa_info->plt_sec->size = data.ofs; |
15bda425 JL |
1694 | |
1695 | data.ofs = 0x0; | |
1696 | elf64_hppa_dyn_hash_traverse (&hppa_info->dyn_hash_table, | |
1697 | allocate_global_data_stub, &data); | |
eea6121a | 1698 | hppa_info->stub_sec->size = data.ofs; |
15bda425 JL |
1699 | } |
1700 | ||
15bda425 JL |
1701 | /* Allocate space for entries in the .opd section. */ |
1702 | if (elf64_hppa_hash_table (info)->opd_sec) | |
1703 | { | |
1704 | data.ofs = 0; | |
1705 | elf64_hppa_dyn_hash_traverse (&hppa_info->dyn_hash_table, | |
1706 | allocate_global_data_opd, &data); | |
eea6121a | 1707 | hppa_info->opd_sec->size = data.ofs; |
15bda425 JL |
1708 | } |
1709 | ||
1710 | /* Now allocate space for dynamic relocations, if necessary. */ | |
1711 | if (hppa_info->root.dynamic_sections_created) | |
1712 | elf64_hppa_dyn_hash_traverse (&hppa_info->dyn_hash_table, | |
1713 | allocate_dynrel_entries, &data); | |
1714 | ||
1715 | /* The sizes of all the sections are set. Allocate memory for them. */ | |
b34976b6 AM |
1716 | plt = FALSE; |
1717 | relocs = FALSE; | |
1718 | reltext = FALSE; | |
15bda425 JL |
1719 | for (s = dynobj->sections; s != NULL; s = s->next) |
1720 | { | |
1721 | const char *name; | |
15bda425 JL |
1722 | |
1723 | if ((s->flags & SEC_LINKER_CREATED) == 0) | |
1724 | continue; | |
1725 | ||
1726 | /* It's OK to base decisions on the section name, because none | |
1727 | of the dynobj section names depend upon the input files. */ | |
1728 | name = bfd_get_section_name (dynobj, s); | |
1729 | ||
15bda425 JL |
1730 | if (strcmp (name, ".plt") == 0) |
1731 | { | |
c456f082 AM |
1732 | /* Remember whether there is a PLT. */ |
1733 | plt = s->size != 0; | |
15bda425 | 1734 | } |
c456f082 | 1735 | else if (strcmp (name, ".opd") == 0 |
0112cd26 | 1736 | || CONST_STRNEQ (name, ".dlt") |
c456f082 AM |
1737 | || strcmp (name, ".stub") == 0 |
1738 | || strcmp (name, ".got") == 0) | |
15bda425 | 1739 | { |
d663e1cd | 1740 | /* Strip this section if we don't need it; see the comment below. */ |
15bda425 | 1741 | } |
0112cd26 | 1742 | else if (CONST_STRNEQ (name, ".rela")) |
15bda425 | 1743 | { |
c456f082 | 1744 | if (s->size != 0) |
15bda425 JL |
1745 | { |
1746 | asection *target; | |
1747 | ||
1748 | /* Remember whether there are any reloc sections other | |
1749 | than .rela.plt. */ | |
1750 | if (strcmp (name, ".rela.plt") != 0) | |
1751 | { | |
1752 | const char *outname; | |
1753 | ||
b34976b6 | 1754 | relocs = TRUE; |
15bda425 JL |
1755 | |
1756 | /* If this relocation section applies to a read only | |
1757 | section, then we probably need a DT_TEXTREL | |
1758 | entry. The entries in the .rela.plt section | |
1759 | really apply to the .got section, which we | |
1760 | created ourselves and so know is not readonly. */ | |
1761 | outname = bfd_get_section_name (output_bfd, | |
1762 | s->output_section); | |
1763 | target = bfd_get_section_by_name (output_bfd, outname + 4); | |
1764 | if (target != NULL | |
1765 | && (target->flags & SEC_READONLY) != 0 | |
1766 | && (target->flags & SEC_ALLOC) != 0) | |
b34976b6 | 1767 | reltext = TRUE; |
15bda425 JL |
1768 | } |
1769 | ||
1770 | /* We use the reloc_count field as a counter if we need | |
1771 | to copy relocs into the output file. */ | |
1772 | s->reloc_count = 0; | |
1773 | } | |
1774 | } | |
c456f082 | 1775 | else |
15bda425 JL |
1776 | { |
1777 | /* It's not one of our sections, so don't allocate space. */ | |
1778 | continue; | |
1779 | } | |
1780 | ||
c456f082 | 1781 | if (s->size == 0) |
15bda425 | 1782 | { |
c456f082 AM |
1783 | /* If we don't need this section, strip it from the |
1784 | output file. This is mostly to handle .rela.bss and | |
1785 | .rela.plt. We must create both sections in | |
1786 | create_dynamic_sections, because they must be created | |
1787 | before the linker maps input sections to output | |
1788 | sections. The linker does that before | |
1789 | adjust_dynamic_symbol is called, and it is that | |
1790 | function which decides whether anything needs to go | |
1791 | into these sections. */ | |
8423293d | 1792 | s->flags |= SEC_EXCLUDE; |
15bda425 JL |
1793 | continue; |
1794 | } | |
1795 | ||
c456f082 AM |
1796 | if ((s->flags & SEC_HAS_CONTENTS) == 0) |
1797 | continue; | |
1798 | ||
15bda425 | 1799 | /* Allocate memory for the section contents if it has not |
832d951b AM |
1800 | been allocated already. We use bfd_zalloc here in case |
1801 | unused entries are not reclaimed before the section's | |
1802 | contents are written out. This should not happen, but this | |
1803 | way if it does, we get a R_PARISC_NONE reloc instead of | |
1804 | garbage. */ | |
15bda425 JL |
1805 | if (s->contents == NULL) |
1806 | { | |
eea6121a | 1807 | s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size); |
c456f082 | 1808 | if (s->contents == NULL) |
b34976b6 | 1809 | return FALSE; |
15bda425 JL |
1810 | } |
1811 | } | |
1812 | ||
1813 | if (elf_hash_table (info)->dynamic_sections_created) | |
1814 | { | |
1815 | /* Always create a DT_PLTGOT. It actually has nothing to do with | |
1816 | the PLT, it is how we communicate the __gp value of a load | |
1817 | module to the dynamic linker. */ | |
dc810e39 | 1818 | #define add_dynamic_entry(TAG, VAL) \ |
5a580b3a | 1819 | _bfd_elf_add_dynamic_entry (info, TAG, VAL) |
dc810e39 AM |
1820 | |
1821 | if (!add_dynamic_entry (DT_HP_DLD_FLAGS, 0) | |
1822 | || !add_dynamic_entry (DT_PLTGOT, 0)) | |
b34976b6 | 1823 | return FALSE; |
15bda425 JL |
1824 | |
1825 | /* Add some entries to the .dynamic section. We fill in the | |
1826 | values later, in elf64_hppa_finish_dynamic_sections, but we | |
1827 | must add the entries now so that we get the correct size for | |
1828 | the .dynamic section. The DT_DEBUG entry is filled in by the | |
1829 | dynamic linker and used by the debugger. */ | |
1830 | if (! info->shared) | |
1831 | { | |
dc810e39 AM |
1832 | if (!add_dynamic_entry (DT_DEBUG, 0) |
1833 | || !add_dynamic_entry (DT_HP_DLD_HOOK, 0) | |
1834 | || !add_dynamic_entry (DT_HP_LOAD_MAP, 0)) | |
b34976b6 | 1835 | return FALSE; |
15bda425 JL |
1836 | } |
1837 | ||
f2482cb2 NC |
1838 | /* Force DT_FLAGS to always be set. |
1839 | Required by HPUX 11.00 patch PHSS_26559. */ | |
1840 | if (!add_dynamic_entry (DT_FLAGS, (info)->flags)) | |
b34976b6 | 1841 | return FALSE; |
f2482cb2 | 1842 | |
15bda425 JL |
1843 | if (plt) |
1844 | { | |
dc810e39 AM |
1845 | if (!add_dynamic_entry (DT_PLTRELSZ, 0) |
1846 | || !add_dynamic_entry (DT_PLTREL, DT_RELA) | |
1847 | || !add_dynamic_entry (DT_JMPREL, 0)) | |
b34976b6 | 1848 | return FALSE; |
15bda425 JL |
1849 | } |
1850 | ||
1851 | if (relocs) | |
1852 | { | |
dc810e39 AM |
1853 | if (!add_dynamic_entry (DT_RELA, 0) |
1854 | || !add_dynamic_entry (DT_RELASZ, 0) | |
1855 | || !add_dynamic_entry (DT_RELAENT, sizeof (Elf64_External_Rela))) | |
b34976b6 | 1856 | return FALSE; |
15bda425 JL |
1857 | } |
1858 | ||
1859 | if (reltext) | |
1860 | { | |
dc810e39 | 1861 | if (!add_dynamic_entry (DT_TEXTREL, 0)) |
b34976b6 | 1862 | return FALSE; |
d6cf2879 | 1863 | info->flags |= DF_TEXTREL; |
15bda425 JL |
1864 | } |
1865 | } | |
dc810e39 | 1866 | #undef add_dynamic_entry |
15bda425 | 1867 | |
b34976b6 | 1868 | return TRUE; |
15bda425 JL |
1869 | } |
1870 | ||
1871 | /* Called after we have output the symbol into the dynamic symbol | |
1872 | table, but before we output the symbol into the normal symbol | |
1873 | table. | |
1874 | ||
1875 | For some symbols we had to change their address when outputting | |
1876 | the dynamic symbol table. We undo that change here so that | |
1877 | the symbols have their expected value in the normal symbol | |
1878 | table. Ick. */ | |
1879 | ||
b34976b6 | 1880 | static bfd_boolean |
754021d0 | 1881 | elf64_hppa_link_output_symbol_hook (info, name, sym, input_sec, h) |
15bda425 JL |
1882 | struct bfd_link_info *info; |
1883 | const char *name; | |
1884 | Elf_Internal_Sym *sym; | |
edd21aca | 1885 | asection *input_sec ATTRIBUTE_UNUSED; |
754021d0 | 1886 | struct elf_link_hash_entry *h; |
15bda425 JL |
1887 | { |
1888 | struct elf64_hppa_link_hash_table *hppa_info; | |
1889 | struct elf64_hppa_dyn_hash_entry *dyn_h; | |
1890 | ||
1891 | /* We may be called with the file symbol or section symbols. | |
1892 | They never need munging, so it is safe to ignore them. */ | |
1893 | if (!name) | |
b34976b6 | 1894 | return TRUE; |
15bda425 JL |
1895 | |
1896 | /* Get the PA dyn_symbol (if any) associated with NAME. */ | |
1897 | hppa_info = elf64_hppa_hash_table (info); | |
1898 | dyn_h = elf64_hppa_dyn_hash_lookup (&hppa_info->dyn_hash_table, | |
b34976b6 | 1899 | name, FALSE, FALSE); |
ac7bbf74 | 1900 | if (!dyn_h || dyn_h->h != h) |
754021d0 | 1901 | return TRUE; |
15bda425 | 1902 | |
832d951b AM |
1903 | /* Function symbols for which we created .opd entries *may* have been |
1904 | munged by finish_dynamic_symbol and have to be un-munged here. | |
1905 | ||
1906 | Note that finish_dynamic_symbol sometimes turns dynamic symbols | |
1907 | into non-dynamic ones, so we initialize st_shndx to -1 in | |
1908 | mark_exported_functions and check to see if it was overwritten | |
1909 | here instead of just checking dyn_h->h->dynindx. */ | |
ac7bbf74 | 1910 | if (dyn_h->want_opd && dyn_h->st_shndx != -1) |
15bda425 JL |
1911 | { |
1912 | /* Restore the saved value and section index. */ | |
1913 | sym->st_value = dyn_h->st_value; | |
fe8bc63d | 1914 | sym->st_shndx = dyn_h->st_shndx; |
15bda425 JL |
1915 | } |
1916 | ||
b34976b6 | 1917 | return TRUE; |
15bda425 JL |
1918 | } |
1919 | ||
1920 | /* Finish up dynamic symbol handling. We set the contents of various | |
1921 | dynamic sections here. */ | |
1922 | ||
b34976b6 | 1923 | static bfd_boolean |
15bda425 JL |
1924 | elf64_hppa_finish_dynamic_symbol (output_bfd, info, h, sym) |
1925 | bfd *output_bfd; | |
1926 | struct bfd_link_info *info; | |
1927 | struct elf_link_hash_entry *h; | |
1928 | Elf_Internal_Sym *sym; | |
1929 | { | |
1930 | asection *stub, *splt, *sdlt, *sopd, *spltrel, *sdltrel; | |
1931 | struct elf64_hppa_link_hash_table *hppa_info; | |
1932 | struct elf64_hppa_dyn_hash_entry *dyn_h; | |
1933 | ||
1934 | hppa_info = elf64_hppa_hash_table (info); | |
1935 | dyn_h = elf64_hppa_dyn_hash_lookup (&hppa_info->dyn_hash_table, | |
b34976b6 | 1936 | h->root.root.string, FALSE, FALSE); |
15bda425 JL |
1937 | |
1938 | stub = hppa_info->stub_sec; | |
1939 | splt = hppa_info->plt_sec; | |
1940 | sdlt = hppa_info->dlt_sec; | |
1941 | sopd = hppa_info->opd_sec; | |
1942 | spltrel = hppa_info->plt_rel_sec; | |
1943 | sdltrel = hppa_info->dlt_rel_sec; | |
1944 | ||
15bda425 JL |
1945 | /* Incredible. It is actually necessary to NOT use the symbol's real |
1946 | value when building the dynamic symbol table for a shared library. | |
1947 | At least for symbols that refer to functions. | |
1948 | ||
1949 | We will store a new value and section index into the symbol long | |
1950 | enough to output it into the dynamic symbol table, then we restore | |
1951 | the original values (in elf64_hppa_link_output_symbol_hook). */ | |
1952 | if (dyn_h && dyn_h->want_opd) | |
1953 | { | |
f12123c0 | 1954 | BFD_ASSERT (sopd != NULL); |
d663e1cd | 1955 | |
15bda425 JL |
1956 | /* Save away the original value and section index so that we |
1957 | can restore them later. */ | |
1958 | dyn_h->st_value = sym->st_value; | |
1959 | dyn_h->st_shndx = sym->st_shndx; | |
1960 | ||
1961 | /* For the dynamic symbol table entry, we want the value to be | |
1962 | address of this symbol's entry within the .opd section. */ | |
1963 | sym->st_value = (dyn_h->opd_offset | |
1964 | + sopd->output_offset | |
1965 | + sopd->output_section->vma); | |
1966 | sym->st_shndx = _bfd_elf_section_from_bfd_section (output_bfd, | |
1967 | sopd->output_section); | |
1968 | } | |
1969 | ||
1970 | /* Initialize a .plt entry if requested. */ | |
1971 | if (dyn_h && dyn_h->want_plt | |
1972 | && elf64_hppa_dynamic_symbol_p (dyn_h->h, info)) | |
1973 | { | |
1974 | bfd_vma value; | |
1975 | Elf_Internal_Rela rel; | |
947216bf | 1976 | bfd_byte *loc; |
15bda425 | 1977 | |
f12123c0 | 1978 | BFD_ASSERT (splt != NULL && spltrel != NULL); |
d663e1cd | 1979 | |
15bda425 JL |
1980 | /* We do not actually care about the value in the PLT entry |
1981 | if we are creating a shared library and the symbol is | |
1982 | still undefined, we create a dynamic relocation to fill | |
1983 | in the correct value. */ | |
1984 | if (info->shared && h->root.type == bfd_link_hash_undefined) | |
1985 | value = 0; | |
1986 | else | |
1987 | value = (h->root.u.def.value + h->root.u.def.section->vma); | |
1988 | ||
fe8bc63d | 1989 | /* Fill in the entry in the procedure linkage table. |
15bda425 JL |
1990 | |
1991 | The format of a plt entry is | |
fe8bc63d | 1992 | <funcaddr> <__gp>. |
15bda425 JL |
1993 | |
1994 | plt_offset is the offset within the PLT section at which to | |
fe8bc63d | 1995 | install the PLT entry. |
15bda425 JL |
1996 | |
1997 | We are modifying the in-memory PLT contents here, so we do not add | |
1998 | in the output_offset of the PLT section. */ | |
1999 | ||
2000 | bfd_put_64 (splt->owner, value, splt->contents + dyn_h->plt_offset); | |
2001 | value = _bfd_get_gp_value (splt->output_section->owner); | |
2002 | bfd_put_64 (splt->owner, value, splt->contents + dyn_h->plt_offset + 0x8); | |
2003 | ||
2004 | /* Create a dynamic IPLT relocation for this entry. | |
2005 | ||
2006 | We are creating a relocation in the output file's PLT section, | |
2007 | which is included within the DLT secton. So we do need to include | |
2008 | the PLT's output_offset in the computation of the relocation's | |
2009 | address. */ | |
2010 | rel.r_offset = (dyn_h->plt_offset + splt->output_offset | |
2011 | + splt->output_section->vma); | |
2012 | rel.r_info = ELF64_R_INFO (h->dynindx, R_PARISC_IPLT); | |
2013 | rel.r_addend = 0; | |
2014 | ||
947216bf AM |
2015 | loc = spltrel->contents; |
2016 | loc += spltrel->reloc_count++ * sizeof (Elf64_External_Rela); | |
2017 | bfd_elf64_swap_reloca_out (splt->output_section->owner, &rel, loc); | |
15bda425 JL |
2018 | } |
2019 | ||
2020 | /* Initialize an external call stub entry if requested. */ | |
2021 | if (dyn_h && dyn_h->want_stub | |
2022 | && elf64_hppa_dynamic_symbol_p (dyn_h->h, info)) | |
2023 | { | |
2024 | bfd_vma value; | |
2025 | int insn; | |
b352eebf | 2026 | unsigned int max_offset; |
15bda425 | 2027 | |
f12123c0 | 2028 | BFD_ASSERT (stub != NULL); |
d663e1cd | 2029 | |
15bda425 JL |
2030 | /* Install the generic stub template. |
2031 | ||
2032 | We are modifying the contents of the stub section, so we do not | |
2033 | need to include the stub section's output_offset here. */ | |
2034 | memcpy (stub->contents + dyn_h->stub_offset, plt_stub, sizeof (plt_stub)); | |
2035 | ||
2036 | /* Fix up the first ldd instruction. | |
2037 | ||
2038 | We are modifying the contents of the STUB section in memory, | |
fe8bc63d | 2039 | so we do not need to include its output offset in this computation. |
15bda425 JL |
2040 | |
2041 | Note the plt_offset value is the value of the PLT entry relative to | |
2042 | the start of the PLT section. These instructions will reference | |
2043 | data relative to the value of __gp, which may not necessarily have | |
2044 | the same address as the start of the PLT section. | |
2045 | ||
2046 | gp_offset contains the offset of __gp within the PLT section. */ | |
2047 | value = dyn_h->plt_offset - hppa_info->gp_offset; | |
fe8bc63d | 2048 | |
15bda425 | 2049 | insn = bfd_get_32 (stub->owner, stub->contents + dyn_h->stub_offset); |
b352eebf AM |
2050 | if (output_bfd->arch_info->mach >= 25) |
2051 | { | |
2052 | /* Wide mode allows 16 bit offsets. */ | |
2053 | max_offset = 32768; | |
2054 | insn &= ~ 0xfff1; | |
dc810e39 | 2055 | insn |= re_assemble_16 ((int) value); |
b352eebf AM |
2056 | } |
2057 | else | |
2058 | { | |
2059 | max_offset = 8192; | |
2060 | insn &= ~ 0x3ff1; | |
dc810e39 | 2061 | insn |= re_assemble_14 ((int) value); |
b352eebf AM |
2062 | } |
2063 | ||
2064 | if ((value & 7) || value + max_offset >= 2*max_offset - 8) | |
2065 | { | |
2066 | (*_bfd_error_handler) (_("stub entry for %s cannot load .plt, dp offset = %ld"), | |
2067 | dyn_h->root.string, | |
2068 | (long) value); | |
b34976b6 | 2069 | return FALSE; |
b352eebf AM |
2070 | } |
2071 | ||
dc810e39 | 2072 | bfd_put_32 (stub->owner, (bfd_vma) insn, |
15bda425 JL |
2073 | stub->contents + dyn_h->stub_offset); |
2074 | ||
2075 | /* Fix up the second ldd instruction. */ | |
b352eebf | 2076 | value += 8; |
15bda425 | 2077 | insn = bfd_get_32 (stub->owner, stub->contents + dyn_h->stub_offset + 8); |
b352eebf AM |
2078 | if (output_bfd->arch_info->mach >= 25) |
2079 | { | |
2080 | insn &= ~ 0xfff1; | |
dc810e39 | 2081 | insn |= re_assemble_16 ((int) value); |
b352eebf AM |
2082 | } |
2083 | else | |
2084 | { | |
2085 | insn &= ~ 0x3ff1; | |
dc810e39 | 2086 | insn |= re_assemble_14 ((int) value); |
b352eebf | 2087 | } |
dc810e39 | 2088 | bfd_put_32 (stub->owner, (bfd_vma) insn, |
15bda425 JL |
2089 | stub->contents + dyn_h->stub_offset + 8); |
2090 | } | |
2091 | ||
b34976b6 | 2092 | return TRUE; |
15bda425 JL |
2093 | } |
2094 | ||
2095 | /* The .opd section contains FPTRs for each function this file | |
2096 | exports. Initialize the FPTR entries. */ | |
2097 | ||
b34976b6 | 2098 | static bfd_boolean |
15bda425 JL |
2099 | elf64_hppa_finalize_opd (dyn_h, data) |
2100 | struct elf64_hppa_dyn_hash_entry *dyn_h; | |
2101 | PTR data; | |
2102 | { | |
2103 | struct bfd_link_info *info = (struct bfd_link_info *)data; | |
2104 | struct elf64_hppa_link_hash_table *hppa_info; | |
3db4b612 | 2105 | struct elf_link_hash_entry *h = dyn_h ? dyn_h->h : NULL; |
15bda425 JL |
2106 | asection *sopd; |
2107 | asection *sopdrel; | |
2108 | ||
2109 | hppa_info = elf64_hppa_hash_table (info); | |
2110 | sopd = hppa_info->opd_sec; | |
2111 | sopdrel = hppa_info->opd_rel_sec; | |
2112 | ||
3db4b612 | 2113 | if (h && dyn_h->want_opd) |
15bda425 JL |
2114 | { |
2115 | bfd_vma value; | |
2116 | ||
fe8bc63d | 2117 | /* The first two words of an .opd entry are zero. |
15bda425 JL |
2118 | |
2119 | We are modifying the contents of the OPD section in memory, so we | |
2120 | do not need to include its output offset in this computation. */ | |
2121 | memset (sopd->contents + dyn_h->opd_offset, 0, 16); | |
2122 | ||
2123 | value = (h->root.u.def.value | |
2124 | + h->root.u.def.section->output_section->vma | |
2125 | + h->root.u.def.section->output_offset); | |
2126 | ||
2127 | /* The next word is the address of the function. */ | |
2128 | bfd_put_64 (sopd->owner, value, sopd->contents + dyn_h->opd_offset + 16); | |
2129 | ||
2130 | /* The last word is our local __gp value. */ | |
2131 | value = _bfd_get_gp_value (sopd->output_section->owner); | |
2132 | bfd_put_64 (sopd->owner, value, sopd->contents + dyn_h->opd_offset + 24); | |
2133 | } | |
2134 | ||
2135 | /* If we are generating a shared library, we must generate EPLT relocations | |
2136 | for each entry in the .opd, even for static functions (they may have | |
2137 | had their address taken). */ | |
2138 | if (info->shared && dyn_h && dyn_h->want_opd) | |
2139 | { | |
947216bf AM |
2140 | Elf_Internal_Rela rel; |
2141 | bfd_byte *loc; | |
15bda425 JL |
2142 | int dynindx; |
2143 | ||
2144 | /* We may need to do a relocation against a local symbol, in | |
2145 | which case we have to look up it's dynamic symbol index off | |
2146 | the local symbol hash table. */ | |
2147 | if (h && h->dynindx != -1) | |
2148 | dynindx = h->dynindx; | |
2149 | else | |
2150 | dynindx | |
2151 | = _bfd_elf_link_lookup_local_dynindx (info, dyn_h->owner, | |
2152 | dyn_h->sym_indx); | |
2153 | ||
2154 | /* The offset of this relocation is the absolute address of the | |
2155 | .opd entry for this symbol. */ | |
2156 | rel.r_offset = (dyn_h->opd_offset + sopd->output_offset | |
2157 | + sopd->output_section->vma); | |
2158 | ||
2159 | /* If H is non-null, then we have an external symbol. | |
2160 | ||
2161 | It is imperative that we use a different dynamic symbol for the | |
2162 | EPLT relocation if the symbol has global scope. | |
2163 | ||
2164 | In the dynamic symbol table, the function symbol will have a value | |
2165 | which is address of the function's .opd entry. | |
2166 | ||
2167 | Thus, we can not use that dynamic symbol for the EPLT relocation | |
2168 | (if we did, the data in the .opd would reference itself rather | |
2169 | than the actual address of the function). Instead we have to use | |
2170 | a new dynamic symbol which has the same value as the original global | |
fe8bc63d | 2171 | function symbol. |
15bda425 JL |
2172 | |
2173 | We prefix the original symbol with a "." and use the new symbol in | |
2174 | the EPLT relocation. This new symbol has already been recorded in | |
2175 | the symbol table, we just have to look it up and use it. | |
2176 | ||
2177 | We do not have such problems with static functions because we do | |
2178 | not make their addresses in the dynamic symbol table point to | |
2179 | the .opd entry. Ultimately this should be safe since a static | |
2180 | function can not be directly referenced outside of its shared | |
2181 | library. | |
2182 | ||
2183 | We do have to play similar games for FPTR relocations in shared | |
2184 | libraries, including those for static symbols. See the FPTR | |
2185 | handling in elf64_hppa_finalize_dynreloc. */ | |
2186 | if (h) | |
2187 | { | |
2188 | char *new_name; | |
2189 | struct elf_link_hash_entry *nh; | |
2190 | ||
2191 | new_name = alloca (strlen (h->root.root.string) + 2); | |
2192 | new_name[0] = '.'; | |
2193 | strcpy (new_name + 1, h->root.root.string); | |
2194 | ||
2195 | nh = elf_link_hash_lookup (elf_hash_table (info), | |
b34976b6 | 2196 | new_name, FALSE, FALSE, FALSE); |
15bda425 JL |
2197 | |
2198 | /* All we really want from the new symbol is its dynamic | |
2199 | symbol index. */ | |
2200 | dynindx = nh->dynindx; | |
2201 | } | |
2202 | ||
2203 | rel.r_addend = 0; | |
2204 | rel.r_info = ELF64_R_INFO (dynindx, R_PARISC_EPLT); | |
2205 | ||
947216bf AM |
2206 | loc = sopdrel->contents; |
2207 | loc += sopdrel->reloc_count++ * sizeof (Elf64_External_Rela); | |
2208 | bfd_elf64_swap_reloca_out (sopd->output_section->owner, &rel, loc); | |
15bda425 | 2209 | } |
b34976b6 | 2210 | return TRUE; |
15bda425 JL |
2211 | } |
2212 | ||
2213 | /* The .dlt section contains addresses for items referenced through the | |
2214 | dlt. Note that we can have a DLTIND relocation for a local symbol, thus | |
2215 | we can not depend on finish_dynamic_symbol to initialize the .dlt. */ | |
2216 | ||
b34976b6 | 2217 | static bfd_boolean |
15bda425 JL |
2218 | elf64_hppa_finalize_dlt (dyn_h, data) |
2219 | struct elf64_hppa_dyn_hash_entry *dyn_h; | |
2220 | PTR data; | |
2221 | { | |
2222 | struct bfd_link_info *info = (struct bfd_link_info *)data; | |
2223 | struct elf64_hppa_link_hash_table *hppa_info; | |
2224 | asection *sdlt, *sdltrel; | |
3db4b612 | 2225 | struct elf_link_hash_entry *h = dyn_h ? dyn_h->h : NULL; |
15bda425 JL |
2226 | |
2227 | hppa_info = elf64_hppa_hash_table (info); | |
2228 | ||
2229 | sdlt = hppa_info->dlt_sec; | |
2230 | sdltrel = hppa_info->dlt_rel_sec; | |
2231 | ||
2232 | /* H/DYN_H may refer to a local variable and we know it's | |
2233 | address, so there is no need to create a relocation. Just install | |
2234 | the proper value into the DLT, note this shortcut can not be | |
2235 | skipped when building a shared library. */ | |
3db4b612 | 2236 | if (! info->shared && h && dyn_h->want_dlt) |
15bda425 JL |
2237 | { |
2238 | bfd_vma value; | |
2239 | ||
2240 | /* If we had an LTOFF_FPTR style relocation we want the DLT entry | |
fe8bc63d | 2241 | to point to the FPTR entry in the .opd section. |
15bda425 JL |
2242 | |
2243 | We include the OPD's output offset in this computation as | |
2244 | we are referring to an absolute address in the resulting | |
2245 | object file. */ | |
2246 | if (dyn_h->want_opd) | |
2247 | { | |
2248 | value = (dyn_h->opd_offset | |
2249 | + hppa_info->opd_sec->output_offset | |
2250 | + hppa_info->opd_sec->output_section->vma); | |
2251 | } | |
37f4508b AM |
2252 | else if ((h->root.type == bfd_link_hash_defined |
2253 | || h->root.type == bfd_link_hash_defweak) | |
2254 | && h->root.u.def.section) | |
15bda425 | 2255 | { |
3db4b612 | 2256 | value = h->root.u.def.value + h->root.u.def.section->output_offset; |
15bda425 JL |
2257 | if (h->root.u.def.section->output_section) |
2258 | value += h->root.u.def.section->output_section->vma; | |
2259 | else | |
2260 | value += h->root.u.def.section->vma; | |
2261 | } | |
3db4b612 JL |
2262 | else |
2263 | /* We have an undefined function reference. */ | |
2264 | value = 0; | |
15bda425 JL |
2265 | |
2266 | /* We do not need to include the output offset of the DLT section | |
2267 | here because we are modifying the in-memory contents. */ | |
2268 | bfd_put_64 (sdlt->owner, value, sdlt->contents + dyn_h->dlt_offset); | |
2269 | } | |
2270 | ||
4cc11e76 | 2271 | /* Create a relocation for the DLT entry associated with this symbol. |
15bda425 JL |
2272 | When building a shared library the symbol does not have to be dynamic. */ |
2273 | if (dyn_h->want_dlt | |
2274 | && (elf64_hppa_dynamic_symbol_p (dyn_h->h, info) || info->shared)) | |
2275 | { | |
947216bf AM |
2276 | Elf_Internal_Rela rel; |
2277 | bfd_byte *loc; | |
15bda425 JL |
2278 | int dynindx; |
2279 | ||
2280 | /* We may need to do a relocation against a local symbol, in | |
2281 | which case we have to look up it's dynamic symbol index off | |
2282 | the local symbol hash table. */ | |
2283 | if (h && h->dynindx != -1) | |
2284 | dynindx = h->dynindx; | |
2285 | else | |
2286 | dynindx | |
2287 | = _bfd_elf_link_lookup_local_dynindx (info, dyn_h->owner, | |
2288 | dyn_h->sym_indx); | |
2289 | ||
15bda425 JL |
2290 | /* Create a dynamic relocation for this entry. Do include the output |
2291 | offset of the DLT entry since we need an absolute address in the | |
2292 | resulting object file. */ | |
2293 | rel.r_offset = (dyn_h->dlt_offset + sdlt->output_offset | |
2294 | + sdlt->output_section->vma); | |
2295 | if (h && h->type == STT_FUNC) | |
2296 | rel.r_info = ELF64_R_INFO (dynindx, R_PARISC_FPTR64); | |
2297 | else | |
2298 | rel.r_info = ELF64_R_INFO (dynindx, R_PARISC_DIR64); | |
2299 | rel.r_addend = 0; | |
2300 | ||
947216bf AM |
2301 | loc = sdltrel->contents; |
2302 | loc += sdltrel->reloc_count++ * sizeof (Elf64_External_Rela); | |
2303 | bfd_elf64_swap_reloca_out (sdlt->output_section->owner, &rel, loc); | |
15bda425 | 2304 | } |
b34976b6 | 2305 | return TRUE; |
15bda425 JL |
2306 | } |
2307 | ||
2308 | /* Finalize the dynamic relocations. Specifically the FPTR relocations | |
2309 | for dynamic functions used to initialize static data. */ | |
2310 | ||
b34976b6 | 2311 | static bfd_boolean |
15bda425 JL |
2312 | elf64_hppa_finalize_dynreloc (dyn_h, data) |
2313 | struct elf64_hppa_dyn_hash_entry *dyn_h; | |
2314 | PTR data; | |
2315 | { | |
2316 | struct bfd_link_info *info = (struct bfd_link_info *)data; | |
2317 | struct elf64_hppa_link_hash_table *hppa_info; | |
2318 | struct elf_link_hash_entry *h; | |
2319 | int dynamic_symbol; | |
2320 | ||
2321 | dynamic_symbol = elf64_hppa_dynamic_symbol_p (dyn_h->h, info); | |
2322 | ||
2323 | if (!dynamic_symbol && !info->shared) | |
b34976b6 | 2324 | return TRUE; |
15bda425 JL |
2325 | |
2326 | if (dyn_h->reloc_entries) | |
2327 | { | |
2328 | struct elf64_hppa_dyn_reloc_entry *rent; | |
2329 | int dynindx; | |
2330 | ||
2331 | hppa_info = elf64_hppa_hash_table (info); | |
2332 | h = dyn_h->h; | |
2333 | ||
2334 | /* We may need to do a relocation against a local symbol, in | |
2335 | which case we have to look up it's dynamic symbol index off | |
2336 | the local symbol hash table. */ | |
2337 | if (h && h->dynindx != -1) | |
2338 | dynindx = h->dynindx; | |
2339 | else | |
2340 | dynindx | |
2341 | = _bfd_elf_link_lookup_local_dynindx (info, dyn_h->owner, | |
2342 | dyn_h->sym_indx); | |
2343 | ||
2344 | for (rent = dyn_h->reloc_entries; rent; rent = rent->next) | |
2345 | { | |
947216bf AM |
2346 | Elf_Internal_Rela rel; |
2347 | bfd_byte *loc; | |
15bda425 | 2348 | |
d663e1cd JL |
2349 | /* Allocate one iff we are building a shared library, the relocation |
2350 | isn't a R_PARISC_FPTR64, or we don't want an opd entry. */ | |
2351 | if (!info->shared && rent->type == R_PARISC_FPTR64 && dyn_h->want_opd) | |
2352 | continue; | |
15bda425 | 2353 | |
fe8bc63d | 2354 | /* Create a dynamic relocation for this entry. |
15bda425 JL |
2355 | |
2356 | We need the output offset for the reloc's section because | |
2357 | we are creating an absolute address in the resulting object | |
2358 | file. */ | |
2359 | rel.r_offset = (rent->offset + rent->sec->output_offset | |
2360 | + rent->sec->output_section->vma); | |
2361 | ||
2362 | /* An FPTR64 relocation implies that we took the address of | |
2363 | a function and that the function has an entry in the .opd | |
2364 | section. We want the FPTR64 relocation to reference the | |
2365 | entry in .opd. | |
2366 | ||
2367 | We could munge the symbol value in the dynamic symbol table | |
2368 | (in fact we already do for functions with global scope) to point | |
2369 | to the .opd entry. Then we could use that dynamic symbol in | |
2370 | this relocation. | |
2371 | ||
2372 | Or we could do something sensible, not munge the symbol's | |
2373 | address and instead just use a different symbol to reference | |
2374 | the .opd entry. At least that seems sensible until you | |
2375 | realize there's no local dynamic symbols we can use for that | |
2376 | purpose. Thus the hair in the check_relocs routine. | |
fe8bc63d | 2377 | |
15bda425 JL |
2378 | We use a section symbol recorded by check_relocs as the |
2379 | base symbol for the relocation. The addend is the difference | |
2380 | between the section symbol and the address of the .opd entry. */ | |
3db4b612 | 2381 | if (info->shared && rent->type == R_PARISC_FPTR64 && dyn_h->want_opd) |
15bda425 JL |
2382 | { |
2383 | bfd_vma value, value2; | |
15bda425 JL |
2384 | |
2385 | /* First compute the address of the opd entry for this symbol. */ | |
2386 | value = (dyn_h->opd_offset | |
2387 | + hppa_info->opd_sec->output_section->vma | |
2388 | + hppa_info->opd_sec->output_offset); | |
2389 | ||
2390 | /* Compute the value of the start of the section with | |
2391 | the relocation. */ | |
2392 | value2 = (rent->sec->output_section->vma | |
2393 | + rent->sec->output_offset); | |
2394 | ||
2395 | /* Compute the difference between the start of the section | |
2396 | with the relocation and the opd entry. */ | |
2397 | value -= value2; | |
fe8bc63d | 2398 | |
15bda425 JL |
2399 | /* The result becomes the addend of the relocation. */ |
2400 | rel.r_addend = value; | |
2401 | ||
2402 | /* The section symbol becomes the symbol for the dynamic | |
2403 | relocation. */ | |
2404 | dynindx | |
2405 | = _bfd_elf_link_lookup_local_dynindx (info, | |
2406 | rent->sec->owner, | |
2407 | rent->sec_symndx); | |
2408 | } | |
2409 | else | |
2410 | rel.r_addend = rent->addend; | |
2411 | ||
2412 | rel.r_info = ELF64_R_INFO (dynindx, rent->type); | |
2413 | ||
947216bf AM |
2414 | loc = hppa_info->other_rel_sec->contents; |
2415 | loc += (hppa_info->other_rel_sec->reloc_count++ | |
2416 | * sizeof (Elf64_External_Rela)); | |
15bda425 | 2417 | bfd_elf64_swap_reloca_out (hppa_info->other_rel_sec->output_section->owner, |
947216bf | 2418 | &rel, loc); |
15bda425 JL |
2419 | } |
2420 | } | |
2421 | ||
b34976b6 | 2422 | return TRUE; |
15bda425 JL |
2423 | } |
2424 | ||
5ac81c74 JL |
2425 | /* Used to decide how to sort relocs in an optimal manner for the |
2426 | dynamic linker, before writing them out. */ | |
2427 | ||
2428 | static enum elf_reloc_type_class | |
2429 | elf64_hppa_reloc_type_class (rela) | |
2430 | const Elf_Internal_Rela *rela; | |
2431 | { | |
2432 | if (ELF64_R_SYM (rela->r_info) == 0) | |
2433 | return reloc_class_relative; | |
2434 | ||
2435 | switch ((int) ELF64_R_TYPE (rela->r_info)) | |
2436 | { | |
2437 | case R_PARISC_IPLT: | |
2438 | return reloc_class_plt; | |
2439 | case R_PARISC_COPY: | |
2440 | return reloc_class_copy; | |
2441 | default: | |
2442 | return reloc_class_normal; | |
2443 | } | |
2444 | } | |
2445 | ||
15bda425 JL |
2446 | /* Finish up the dynamic sections. */ |
2447 | ||
b34976b6 | 2448 | static bfd_boolean |
15bda425 JL |
2449 | elf64_hppa_finish_dynamic_sections (output_bfd, info) |
2450 | bfd *output_bfd; | |
2451 | struct bfd_link_info *info; | |
2452 | { | |
2453 | bfd *dynobj; | |
2454 | asection *sdyn; | |
2455 | struct elf64_hppa_link_hash_table *hppa_info; | |
2456 | ||
2457 | hppa_info = elf64_hppa_hash_table (info); | |
2458 | ||
2459 | /* Finalize the contents of the .opd section. */ | |
2460 | elf64_hppa_dyn_hash_traverse (&hppa_info->dyn_hash_table, | |
2461 | elf64_hppa_finalize_opd, | |
2462 | info); | |
2463 | ||
2464 | elf64_hppa_dyn_hash_traverse (&hppa_info->dyn_hash_table, | |
2465 | elf64_hppa_finalize_dynreloc, | |
2466 | info); | |
2467 | ||
2468 | /* Finalize the contents of the .dlt section. */ | |
2469 | dynobj = elf_hash_table (info)->dynobj; | |
2470 | /* Finalize the contents of the .dlt section. */ | |
2471 | elf64_hppa_dyn_hash_traverse (&hppa_info->dyn_hash_table, | |
2472 | elf64_hppa_finalize_dlt, | |
2473 | info); | |
2474 | ||
15bda425 JL |
2475 | sdyn = bfd_get_section_by_name (dynobj, ".dynamic"); |
2476 | ||
2477 | if (elf_hash_table (info)->dynamic_sections_created) | |
2478 | { | |
2479 | Elf64_External_Dyn *dyncon, *dynconend; | |
15bda425 JL |
2480 | |
2481 | BFD_ASSERT (sdyn != NULL); | |
2482 | ||
2483 | dyncon = (Elf64_External_Dyn *) sdyn->contents; | |
eea6121a | 2484 | dynconend = (Elf64_External_Dyn *) (sdyn->contents + sdyn->size); |
15bda425 JL |
2485 | for (; dyncon < dynconend; dyncon++) |
2486 | { | |
2487 | Elf_Internal_Dyn dyn; | |
2488 | asection *s; | |
2489 | ||
2490 | bfd_elf64_swap_dyn_in (dynobj, dyncon, &dyn); | |
2491 | ||
2492 | switch (dyn.d_tag) | |
2493 | { | |
2494 | default: | |
2495 | break; | |
2496 | ||
2497 | case DT_HP_LOAD_MAP: | |
2498 | /* Compute the absolute address of 16byte scratchpad area | |
2499 | for the dynamic linker. | |
2500 | ||
2501 | By convention the linker script will allocate the scratchpad | |
2502 | area at the start of the .data section. So all we have to | |
2503 | to is find the start of the .data section. */ | |
2504 | s = bfd_get_section_by_name (output_bfd, ".data"); | |
2505 | dyn.d_un.d_ptr = s->vma; | |
2506 | bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon); | |
2507 | break; | |
2508 | ||
2509 | case DT_PLTGOT: | |
2510 | /* HP's use PLTGOT to set the GOT register. */ | |
2511 | dyn.d_un.d_ptr = _bfd_get_gp_value (output_bfd); | |
2512 | bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon); | |
2513 | break; | |
2514 | ||
2515 | case DT_JMPREL: | |
2516 | s = hppa_info->plt_rel_sec; | |
2517 | dyn.d_un.d_ptr = s->output_section->vma + s->output_offset; | |
2518 | bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon); | |
2519 | break; | |
2520 | ||
2521 | case DT_PLTRELSZ: | |
2522 | s = hppa_info->plt_rel_sec; | |
eea6121a | 2523 | dyn.d_un.d_val = s->size; |
15bda425 JL |
2524 | bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon); |
2525 | break; | |
2526 | ||
2527 | case DT_RELA: | |
2528 | s = hppa_info->other_rel_sec; | |
eea6121a | 2529 | if (! s || ! s->size) |
15bda425 | 2530 | s = hppa_info->dlt_rel_sec; |
eea6121a | 2531 | if (! s || ! s->size) |
5ac81c74 | 2532 | s = hppa_info->opd_rel_sec; |
15bda425 JL |
2533 | dyn.d_un.d_ptr = s->output_section->vma + s->output_offset; |
2534 | bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon); | |
2535 | break; | |
2536 | ||
2537 | case DT_RELASZ: | |
2538 | s = hppa_info->other_rel_sec; | |
eea6121a | 2539 | dyn.d_un.d_val = s->size; |
15bda425 | 2540 | s = hppa_info->dlt_rel_sec; |
eea6121a | 2541 | dyn.d_un.d_val += s->size; |
15bda425 | 2542 | s = hppa_info->opd_rel_sec; |
eea6121a | 2543 | dyn.d_un.d_val += s->size; |
15bda425 JL |
2544 | /* There is some question about whether or not the size of |
2545 | the PLT relocs should be included here. HP's tools do | |
2546 | it, so we'll emulate them. */ | |
2547 | s = hppa_info->plt_rel_sec; | |
eea6121a | 2548 | dyn.d_un.d_val += s->size; |
15bda425 JL |
2549 | bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon); |
2550 | break; | |
2551 | ||
2552 | } | |
2553 | } | |
2554 | } | |
2555 | ||
b34976b6 | 2556 | return TRUE; |
15bda425 JL |
2557 | } |
2558 | ||
235ecfbc NC |
2559 | /* Support for core dump NOTE sections. */ |
2560 | ||
2561 | static bfd_boolean | |
2562 | elf64_hppa_grok_prstatus (bfd *abfd, Elf_Internal_Note *note) | |
2563 | { | |
2564 | int offset; | |
2565 | size_t size; | |
2566 | ||
2567 | switch (note->descsz) | |
2568 | { | |
2569 | default: | |
2570 | return FALSE; | |
2571 | ||
2572 | case 760: /* Linux/hppa */ | |
2573 | /* pr_cursig */ | |
2574 | elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12); | |
2575 | ||
2576 | /* pr_pid */ | |
2577 | elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 32); | |
2578 | ||
2579 | /* pr_reg */ | |
2580 | offset = 112; | |
2581 | size = 640; | |
2582 | ||
2583 | break; | |
2584 | } | |
2585 | ||
2586 | /* Make a ".reg/999" section. */ | |
2587 | return _bfd_elfcore_make_pseudosection (abfd, ".reg", | |
2588 | size, note->descpos + offset); | |
2589 | } | |
2590 | ||
2591 | static bfd_boolean | |
2592 | elf64_hppa_grok_psinfo (bfd *abfd, Elf_Internal_Note *note) | |
2593 | { | |
2594 | char * command; | |
2595 | int n; | |
2596 | ||
2597 | switch (note->descsz) | |
2598 | { | |
2599 | default: | |
2600 | return FALSE; | |
2601 | ||
2602 | case 136: /* Linux/hppa elf_prpsinfo. */ | |
2603 | elf_tdata (abfd)->core_program | |
2604 | = _bfd_elfcore_strndup (abfd, note->descdata + 40, 16); | |
2605 | elf_tdata (abfd)->core_command | |
2606 | = _bfd_elfcore_strndup (abfd, note->descdata + 56, 80); | |
2607 | } | |
2608 | ||
2609 | /* Note that for some reason, a spurious space is tacked | |
2610 | onto the end of the args in some (at least one anyway) | |
2611 | implementations, so strip it off if it exists. */ | |
2612 | command = elf_tdata (abfd)->core_command; | |
2613 | n = strlen (command); | |
2614 | ||
2615 | if (0 < n && command[n - 1] == ' ') | |
2616 | command[n - 1] = '\0'; | |
2617 | ||
2618 | return TRUE; | |
2619 | } | |
2620 | ||
15bda425 JL |
2621 | /* Return the number of additional phdrs we will need. |
2622 | ||
2623 | The generic ELF code only creates PT_PHDRs for executables. The HP | |
fe8bc63d | 2624 | dynamic linker requires PT_PHDRs for dynamic libraries too. |
15bda425 JL |
2625 | |
2626 | This routine indicates that the backend needs one additional program | |
2627 | header for that case. | |
2628 | ||
2629 | Note we do not have access to the link info structure here, so we have | |
2630 | to guess whether or not we are building a shared library based on the | |
2631 | existence of a .interp section. */ | |
2632 | ||
2633 | static int | |
a6b96beb AM |
2634 | elf64_hppa_additional_program_headers (bfd *abfd, |
2635 | struct bfd_link_info *info ATTRIBUTE_UNUSED) | |
15bda425 JL |
2636 | { |
2637 | asection *s; | |
2638 | ||
2639 | /* If we are creating a shared library, then we have to create a | |
2640 | PT_PHDR segment. HP's dynamic linker chokes without it. */ | |
2641 | s = bfd_get_section_by_name (abfd, ".interp"); | |
2642 | if (! s) | |
2643 | return 1; | |
2644 | return 0; | |
2645 | } | |
2646 | ||
2647 | /* Allocate and initialize any program headers required by this | |
2648 | specific backend. | |
2649 | ||
2650 | The generic ELF code only creates PT_PHDRs for executables. The HP | |
fe8bc63d | 2651 | dynamic linker requires PT_PHDRs for dynamic libraries too. |
15bda425 JL |
2652 | |
2653 | This allocates the PT_PHDR and initializes it in a manner suitable | |
fe8bc63d | 2654 | for the HP linker. |
15bda425 JL |
2655 | |
2656 | Note we do not have access to the link info structure here, so we have | |
2657 | to guess whether or not we are building a shared library based on the | |
2658 | existence of a .interp section. */ | |
2659 | ||
b34976b6 | 2660 | static bfd_boolean |
8ded5a0f AM |
2661 | elf64_hppa_modify_segment_map (bfd *abfd, |
2662 | struct bfd_link_info *info ATTRIBUTE_UNUSED) | |
15bda425 | 2663 | { |
edd21aca | 2664 | struct elf_segment_map *m; |
15bda425 JL |
2665 | asection *s; |
2666 | ||
2667 | s = bfd_get_section_by_name (abfd, ".interp"); | |
2668 | if (! s) | |
2669 | { | |
2670 | for (m = elf_tdata (abfd)->segment_map; m != NULL; m = m->next) | |
2671 | if (m->p_type == PT_PHDR) | |
2672 | break; | |
2673 | if (m == NULL) | |
2674 | { | |
dc810e39 AM |
2675 | m = ((struct elf_segment_map *) |
2676 | bfd_zalloc (abfd, (bfd_size_type) sizeof *m)); | |
15bda425 | 2677 | if (m == NULL) |
b34976b6 | 2678 | return FALSE; |
15bda425 JL |
2679 | |
2680 | m->p_type = PT_PHDR; | |
2681 | m->p_flags = PF_R | PF_X; | |
2682 | m->p_flags_valid = 1; | |
2683 | m->p_paddr_valid = 1; | |
2684 | m->includes_phdrs = 1; | |
2685 | ||
2686 | m->next = elf_tdata (abfd)->segment_map; | |
2687 | elf_tdata (abfd)->segment_map = m; | |
2688 | } | |
2689 | } | |
2690 | ||
2691 | for (m = elf_tdata (abfd)->segment_map; m != NULL; m = m->next) | |
2692 | if (m->p_type == PT_LOAD) | |
2693 | { | |
0ba2a60e | 2694 | unsigned int i; |
15bda425 JL |
2695 | |
2696 | for (i = 0; i < m->count; i++) | |
2697 | { | |
2698 | /* The code "hint" is not really a hint. It is a requirement | |
2699 | for certain versions of the HP dynamic linker. Worse yet, | |
2700 | it must be set even if the shared library does not have | |
2701 | any code in its "text" segment (thus the check for .hash | |
2702 | to catch this situation). */ | |
2703 | if (m->sections[i]->flags & SEC_CODE | |
2704 | || (strcmp (m->sections[i]->name, ".hash") == 0)) | |
2705 | m->p_flags |= (PF_X | PF_HP_CODE); | |
2706 | } | |
2707 | } | |
2708 | ||
b34976b6 | 2709 | return TRUE; |
15bda425 JL |
2710 | } |
2711 | ||
3fab46d0 AM |
2712 | /* Called when writing out an object file to decide the type of a |
2713 | symbol. */ | |
2714 | static int | |
2715 | elf64_hppa_elf_get_symbol_type (elf_sym, type) | |
2716 | Elf_Internal_Sym *elf_sym; | |
2717 | int type; | |
2718 | { | |
2719 | if (ELF_ST_TYPE (elf_sym->st_info) == STT_PARISC_MILLI) | |
2720 | return STT_PARISC_MILLI; | |
2721 | else | |
2722 | return type; | |
2723 | } | |
2724 | ||
d97a8924 DA |
2725 | /* Support HP specific sections for core files. */ |
2726 | static bfd_boolean | |
2727 | elf64_hppa_section_from_phdr (bfd *abfd, Elf_Internal_Phdr *hdr, int index, | |
2728 | const char *typename) | |
2729 | { | |
927e625f MK |
2730 | if (hdr->p_type == PT_HP_CORE_KERNEL) |
2731 | { | |
2732 | asection *sect; | |
2733 | ||
2734 | if (!_bfd_elf_make_section_from_phdr (abfd, hdr, index, typename)) | |
2735 | return FALSE; | |
2736 | ||
2737 | sect = bfd_make_section_anyway (abfd, ".kernel"); | |
2738 | if (sect == NULL) | |
2739 | return FALSE; | |
2740 | sect->size = hdr->p_filesz; | |
2741 | sect->filepos = hdr->p_offset; | |
2742 | sect->flags = SEC_HAS_CONTENTS | SEC_READONLY; | |
2743 | return TRUE; | |
2744 | } | |
2745 | ||
d97a8924 DA |
2746 | if (hdr->p_type == PT_HP_CORE_PROC) |
2747 | { | |
2748 | int sig; | |
2749 | ||
2750 | if (bfd_seek (abfd, hdr->p_offset, SEEK_SET) != 0) | |
2751 | return FALSE; | |
2752 | if (bfd_bread (&sig, 4, abfd) != 4) | |
2753 | return FALSE; | |
2754 | ||
2755 | elf_tdata (abfd)->core_signal = sig; | |
2756 | ||
927e625f | 2757 | if (!_bfd_elf_make_section_from_phdr (abfd, hdr, index, typename)) |
d97a8924 | 2758 | return FALSE; |
927e625f MK |
2759 | |
2760 | /* GDB uses the ".reg" section to read register contents. */ | |
2761 | return _bfd_elfcore_make_pseudosection (abfd, ".reg", hdr->p_filesz, | |
2762 | hdr->p_offset); | |
d97a8924 DA |
2763 | } |
2764 | ||
2765 | if (hdr->p_type == PT_HP_CORE_LOADABLE | |
2766 | || hdr->p_type == PT_HP_CORE_STACK | |
2767 | || hdr->p_type == PT_HP_CORE_MMF) | |
2768 | hdr->p_type = PT_LOAD; | |
2769 | ||
2770 | return _bfd_elf_make_section_from_phdr (abfd, hdr, index, typename); | |
2771 | } | |
2772 | ||
b35d266b | 2773 | static const struct bfd_elf_special_section elf64_hppa_special_sections[] = |
2f89ff8d | 2774 | { |
0112cd26 NC |
2775 | { STRING_COMMA_LEN (".fini"), 0, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, |
2776 | { STRING_COMMA_LEN (".init"), 0, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, | |
2777 | { STRING_COMMA_LEN (".plt"), 0, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_PARISC_SHORT }, | |
2778 | { STRING_COMMA_LEN (".dlt"), 0, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_PARISC_SHORT }, | |
2779 | { STRING_COMMA_LEN (".sdata"), 0, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_PARISC_SHORT }, | |
2780 | { STRING_COMMA_LEN (".sbss"), 0, SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_PARISC_SHORT }, | |
2781 | { STRING_COMMA_LEN (".tbss"), 0, SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_HP_TLS }, | |
2782 | { NULL, 0, 0, 0, 0 } | |
2f89ff8d L |
2783 | }; |
2784 | ||
15bda425 JL |
2785 | /* The hash bucket size is the standard one, namely 4. */ |
2786 | ||
2787 | const struct elf_size_info hppa64_elf_size_info = | |
2788 | { | |
2789 | sizeof (Elf64_External_Ehdr), | |
2790 | sizeof (Elf64_External_Phdr), | |
2791 | sizeof (Elf64_External_Shdr), | |
2792 | sizeof (Elf64_External_Rel), | |
2793 | sizeof (Elf64_External_Rela), | |
2794 | sizeof (Elf64_External_Sym), | |
2795 | sizeof (Elf64_External_Dyn), | |
2796 | sizeof (Elf_External_Note), | |
2797 | 4, | |
2798 | 1, | |
45d6a902 | 2799 | 64, 3, |
15bda425 JL |
2800 | ELFCLASS64, EV_CURRENT, |
2801 | bfd_elf64_write_out_phdrs, | |
2802 | bfd_elf64_write_shdrs_and_ehdr, | |
1489a3a0 | 2803 | bfd_elf64_checksum_contents, |
15bda425 | 2804 | bfd_elf64_write_relocs, |
73ff0d56 | 2805 | bfd_elf64_swap_symbol_in, |
15bda425 JL |
2806 | bfd_elf64_swap_symbol_out, |
2807 | bfd_elf64_slurp_reloc_table, | |
2808 | bfd_elf64_slurp_symbol_table, | |
2809 | bfd_elf64_swap_dyn_in, | |
2810 | bfd_elf64_swap_dyn_out, | |
947216bf AM |
2811 | bfd_elf64_swap_reloc_in, |
2812 | bfd_elf64_swap_reloc_out, | |
2813 | bfd_elf64_swap_reloca_in, | |
2814 | bfd_elf64_swap_reloca_out | |
15bda425 JL |
2815 | }; |
2816 | ||
2817 | #define TARGET_BIG_SYM bfd_elf64_hppa_vec | |
2818 | #define TARGET_BIG_NAME "elf64-hppa" | |
2819 | #define ELF_ARCH bfd_arch_hppa | |
2820 | #define ELF_MACHINE_CODE EM_PARISC | |
2821 | /* This is not strictly correct. The maximum page size for PA2.0 is | |
2822 | 64M. But everything still uses 4k. */ | |
2823 | #define ELF_MAXPAGESIZE 0x1000 | |
d1036acb L |
2824 | #define ELF_OSABI ELFOSABI_HPUX |
2825 | ||
15bda425 | 2826 | #define bfd_elf64_bfd_reloc_type_lookup elf_hppa_reloc_type_lookup |
157090f7 | 2827 | #define bfd_elf64_bfd_reloc_name_lookup elf_hppa_reloc_name_lookup |
15bda425 JL |
2828 | #define bfd_elf64_bfd_is_local_label_name elf_hppa_is_local_label_name |
2829 | #define elf_info_to_howto elf_hppa_info_to_howto | |
2830 | #define elf_info_to_howto_rel elf_hppa_info_to_howto_rel | |
2831 | ||
2832 | #define elf_backend_section_from_shdr elf64_hppa_section_from_shdr | |
2833 | #define elf_backend_object_p elf64_hppa_object_p | |
2834 | #define elf_backend_final_write_processing \ | |
2835 | elf_hppa_final_write_processing | |
99c79b2e | 2836 | #define elf_backend_fake_sections elf_hppa_fake_sections |
15bda425 JL |
2837 | #define elf_backend_add_symbol_hook elf_hppa_add_symbol_hook |
2838 | ||
f0fe0e16 | 2839 | #define elf_backend_relocate_section elf_hppa_relocate_section |
15bda425 JL |
2840 | |
2841 | #define bfd_elf64_bfd_final_link elf_hppa_final_link | |
2842 | ||
2843 | #define elf_backend_create_dynamic_sections \ | |
2844 | elf64_hppa_create_dynamic_sections | |
2845 | #define elf_backend_post_process_headers elf64_hppa_post_process_headers | |
2846 | ||
74541ad4 AM |
2847 | #define elf_backend_omit_section_dynsym \ |
2848 | ((bfd_boolean (*) (bfd *, struct bfd_link_info *, asection *)) bfd_true) | |
15bda425 JL |
2849 | #define elf_backend_adjust_dynamic_symbol \ |
2850 | elf64_hppa_adjust_dynamic_symbol | |
2851 | ||
2852 | #define elf_backend_size_dynamic_sections \ | |
2853 | elf64_hppa_size_dynamic_sections | |
2854 | ||
2855 | #define elf_backend_finish_dynamic_symbol \ | |
2856 | elf64_hppa_finish_dynamic_symbol | |
2857 | #define elf_backend_finish_dynamic_sections \ | |
2858 | elf64_hppa_finish_dynamic_sections | |
235ecfbc NC |
2859 | #define elf_backend_grok_prstatus elf64_hppa_grok_prstatus |
2860 | #define elf_backend_grok_psinfo elf64_hppa_grok_psinfo | |
2861 | ||
15bda425 JL |
2862 | /* Stuff for the BFD linker: */ |
2863 | #define bfd_elf64_bfd_link_hash_table_create \ | |
2864 | elf64_hppa_hash_table_create | |
2865 | ||
2866 | #define elf_backend_check_relocs \ | |
2867 | elf64_hppa_check_relocs | |
2868 | ||
2869 | #define elf_backend_size_info \ | |
2870 | hppa64_elf_size_info | |
2871 | ||
2872 | #define elf_backend_additional_program_headers \ | |
2873 | elf64_hppa_additional_program_headers | |
2874 | ||
2875 | #define elf_backend_modify_segment_map \ | |
2876 | elf64_hppa_modify_segment_map | |
2877 | ||
2878 | #define elf_backend_link_output_symbol_hook \ | |
2879 | elf64_hppa_link_output_symbol_hook | |
2880 | ||
15bda425 JL |
2881 | #define elf_backend_want_got_plt 0 |
2882 | #define elf_backend_plt_readonly 0 | |
2883 | #define elf_backend_want_plt_sym 0 | |
2884 | #define elf_backend_got_header_size 0 | |
b34976b6 AM |
2885 | #define elf_backend_type_change_ok TRUE |
2886 | #define elf_backend_get_symbol_type elf64_hppa_elf_get_symbol_type | |
2887 | #define elf_backend_reloc_type_class elf64_hppa_reloc_type_class | |
2888 | #define elf_backend_rela_normal 1 | |
29ef7005 | 2889 | #define elf_backend_special_sections elf64_hppa_special_sections |
8a696751 | 2890 | #define elf_backend_action_discarded elf_hppa_action_discarded |
d97a8924 | 2891 | #define elf_backend_section_from_phdr elf64_hppa_section_from_phdr |
15bda425 | 2892 | |
83d1651b L |
2893 | #define elf64_bed elf64_hppa_hpux_bed |
2894 | ||
15bda425 | 2895 | #include "elf64-target.h" |
d952f17a AM |
2896 | |
2897 | #undef TARGET_BIG_SYM | |
2898 | #define TARGET_BIG_SYM bfd_elf64_hppa_linux_vec | |
2899 | #undef TARGET_BIG_NAME | |
2900 | #define TARGET_BIG_NAME "elf64-hppa-linux" | |
d1036acb L |
2901 | #undef ELF_OSABI |
2902 | #define ELF_OSABI ELFOSABI_LINUX | |
2903 | #undef elf_backend_post_process_headers | |
2904 | #define elf_backend_post_process_headers _bfd_elf_set_osabi | |
83d1651b L |
2905 | #undef elf64_bed |
2906 | #define elf64_bed elf64_hppa_linux_bed | |
d952f17a | 2907 | |
d952f17a | 2908 | #include "elf64-target.h" |