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[deliverable/binutils-gdb.git] / bfd / elf32-hppa.c
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252b5132 1/* BFD back-end for HP PA-RISC ELF files.
6f2750fe 2 Copyright (C) 1990-2016 Free Software Foundation, Inc.
252b5132 3
30667bf3 4 Original code by
252b5132
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5 Center for Software Science
6 Department of Computer Science
7 University of Utah
30667bf3 8 Largely rewritten by Alan Modra <alan@linuxcare.com.au>
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9 Naming cleanup by Carlos O'Donell <carlos@systemhalted.org>
10 TLS support written by Randolph Chung <tausq@debian.org>
68ffbac6 11
ae9a127f 12 This file is part of BFD, the Binary File Descriptor library.
252b5132 13
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14 This program is free software; you can redistribute it and/or modify
15 it under the terms of the GNU General Public License as published by
cd123cb7 16 the Free Software Foundation; either version 3 of the License, or
ae9a127f 17 (at your option) any later version.
252b5132 18
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19 This program is distributed in the hope that it will be useful,
20 but WITHOUT ANY WARRANTY; without even the implied warranty of
21 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 GNU General Public License for more details.
252b5132 23
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24 You should have received a copy of the GNU General Public License
25 along with this program; if not, write to the Free Software
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26 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
27 MA 02110-1301, USA. */
252b5132 28
252b5132 29#include "sysdep.h"
3db64b00 30#include "bfd.h"
252b5132
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31#include "libbfd.h"
32#include "elf-bfd.h"
9e103c9c
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33#include "elf/hppa.h"
34#include "libhppa.h"
35#include "elf32-hppa.h"
36#define ARCH_SIZE 32
edd21aca 37#include "elf32-hppa.h"
189c6563 38#include "elf-hppa.h"
9e103c9c 39
74d1c347
AM
40/* In order to gain some understanding of code in this file without
41 knowing all the intricate details of the linker, note the
42 following:
43
44 Functions named elf32_hppa_* are called by external routines, other
45 functions are only called locally. elf32_hppa_* functions appear
46 in this file more or less in the order in which they are called
47 from external routines. eg. elf32_hppa_check_relocs is called
48 early in the link process, elf32_hppa_finish_dynamic_sections is
49 one of the last functions. */
50
edd21aca 51/* We use two hash tables to hold information for linking PA ELF objects.
252b5132
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52
53 The first is the elf32_hppa_link_hash_table which is derived
54 from the standard ELF linker hash table. We use this as a place to
55 attach other hash tables and static information.
56
57 The second is the stub hash table which is derived from the
58 base BFD hash table. The stub hash table holds the information
30667bf3
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59 necessary to build the linker stubs during a link.
60
61 There are a number of different stubs generated by the linker.
62
63 Long branch stub:
64 : ldil LR'X,%r1
65 : be,n RR'X(%sr4,%r1)
66
67 PIC long branch stub:
68 : b,l .+8,%r1
3ee1d854
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69 : addil LR'X - ($PIC_pcrel$0 - 4),%r1
70 : be,n RR'X - ($PIC_pcrel$0 - 8)(%sr4,%r1)
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71
72 Import stub to call shared library routine from normal object file
73 (single sub-space version)
3ee1d854
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74 : addil LR'lt_ptr+ltoff,%dp ; get procedure entry point
75 : ldw RR'lt_ptr+ltoff(%r1),%r21
46fe4e66 76 : bv %r0(%r21)
3ee1d854 77 : ldw RR'lt_ptr+ltoff+4(%r1),%r19 ; get new dlt value.
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78
79 Import stub to call shared library routine from shared library
80 (single sub-space version)
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81 : addil LR'ltoff,%r19 ; get procedure entry point
82 : ldw RR'ltoff(%r1),%r21
46fe4e66 83 : bv %r0(%r21)
3ee1d854 84 : ldw RR'ltoff+4(%r1),%r19 ; get new dlt value.
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85
86 Import stub to call shared library routine from normal object file
87 (multiple sub-space support)
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88 : addil LR'lt_ptr+ltoff,%dp ; get procedure entry point
89 : ldw RR'lt_ptr+ltoff(%r1),%r21
90 : ldw RR'lt_ptr+ltoff+4(%r1),%r19 ; get new dlt value.
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91 : ldsid (%r21),%r1
92 : mtsp %r1,%sr0
93 : be 0(%sr0,%r21) ; branch to target
94 : stw %rp,-24(%sp) ; save rp
95
96 Import stub to call shared library routine from shared library
97 (multiple sub-space support)
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98 : addil LR'ltoff,%r19 ; get procedure entry point
99 : ldw RR'ltoff(%r1),%r21
100 : ldw RR'ltoff+4(%r1),%r19 ; get new dlt value.
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101 : ldsid (%r21),%r1
102 : mtsp %r1,%sr0
103 : be 0(%sr0,%r21) ; branch to target
104 : stw %rp,-24(%sp) ; save rp
105
106 Export stub to return from shared lib routine (multiple sub-space support)
107 One of these is created for each exported procedure in a shared
108 library (and stored in the shared lib). Shared lib routines are
109 called via the first instruction in the export stub so that we can
110 do an inter-space return. Not required for single sub-space.
111 : bl,n X,%rp ; trap the return
112 : nop
113 : ldw -24(%sp),%rp ; restore the original rp
114 : ldsid (%rp),%r1
115 : mtsp %r1,%sr0
ae9a127f 116 : be,n 0(%sr0,%rp) ; inter-space return. */
30667bf3 117
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118
119/* Variable names follow a coding style.
120 Please follow this (Apps Hungarian) style:
121
122 Structure/Variable Prefix
123 elf_link_hash_table "etab"
124 elf_link_hash_entry "eh"
68ffbac6 125
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126 elf32_hppa_link_hash_table "htab"
127 elf32_hppa_link_hash_entry "hh"
128
129 bfd_hash_table "btab"
130 bfd_hash_entry "bh"
68ffbac6 131
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132 bfd_hash_table containing stubs "bstab"
133 elf32_hppa_stub_hash_entry "hsh"
134
135 elf32_hppa_dyn_reloc_entry "hdh"
68ffbac6 136
875c0872 137 Always remember to use GNU Coding Style. */
68ffbac6 138
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139#define PLT_ENTRY_SIZE 8
140#define GOT_ENTRY_SIZE 4
141#define ELF_DYNAMIC_INTERPRETER "/lib/ld.so.1"
142
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143static const bfd_byte plt_stub[] =
144{
145 0x0e, 0x80, 0x10, 0x96, /* 1: ldw 0(%r20),%r22 */
146 0xea, 0xc0, 0xc0, 0x00, /* bv %r0(%r22) */
147 0x0e, 0x88, 0x10, 0x95, /* ldw 4(%r20),%r21 */
148#define PLT_STUB_ENTRY (3*4)
149 0xea, 0x9f, 0x1f, 0xdd, /* b,l 1b,%r20 */
150 0xd6, 0x80, 0x1c, 0x1e, /* depi 0,31,2,%r20 */
151 0x00, 0xc0, 0xff, 0xee, /* 9: .word fixup_func */
152 0xde, 0xad, 0xbe, 0xef /* .word fixup_ltp */
153};
154
30667bf3 155/* Section name for stubs is the associated section name plus this
29942be8
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156 string. */
157#define STUB_SUFFIX ".stub"
30667bf3 158
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159/* We don't need to copy certain PC- or GP-relative dynamic relocs
160 into a shared object's dynamic section. All the relocs of the
161 limited class we are interested in, are absolute. */
162#ifndef RELATIVE_DYNRELOCS
163#define RELATIVE_DYNRELOCS 0
446f2863 164#define IS_ABSOLUTE_RELOC(r_type) 1
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165#endif
166
4fc8051d
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167/* If ELIMINATE_COPY_RELOCS is non-zero, the linker will try to avoid
168 copying dynamic variables from a shared lib into an app's dynbss
169 section, and instead use a dynamic relocation to point into the
170 shared lib. */
171#define ELIMINATE_COPY_RELOCS 1
172
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173enum elf32_hppa_stub_type
174{
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175 hppa_stub_long_branch,
176 hppa_stub_long_branch_shared,
177 hppa_stub_import,
178 hppa_stub_import_shared,
179 hppa_stub_export,
180 hppa_stub_none
181};
182
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183struct elf32_hppa_stub_hash_entry
184{
edd21aca 185 /* Base hash table entry structure. */
a63e02c7 186 struct bfd_hash_entry bh_root;
252b5132 187
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188 /* The stub section. */
189 asection *stub_sec;
190
191 /* Offset within stub_sec of the beginning of this stub. */
30667bf3 192 bfd_vma stub_offset;
252b5132
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193
194 /* Given the symbol's value and its section we can determine its final
195 value when building the stubs (so the stub knows where to jump. */
30667bf3 196 bfd_vma target_value;
252b5132 197 asection *target_section;
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198
199 enum elf32_hppa_stub_type stub_type;
200
201 /* The symbol table entry, if any, that this was derived from. */
a63e02c7 202 struct elf32_hppa_link_hash_entry *hh;
30667bf3 203
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204 /* Where this stub is being called from, or, in the case of combined
205 stub sections, the first input section in the group. */
206 asection *id_sec;
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207};
208
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209struct elf32_hppa_link_hash_entry
210{
a63e02c7 211 struct elf_link_hash_entry eh;
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212
213 /* A pointer to the most recently used stub hash entry against this
214 symbol. */
a63e02c7 215 struct elf32_hppa_stub_hash_entry *hsh_cache;
30667bf3 216
30667bf3
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217 /* Used to count relocations for delayed sizing of relocation
218 sections. */
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219 struct elf32_hppa_dyn_reloc_entry
220 {
30667bf3 221 /* Next relocation in the chain. */
a63e02c7 222 struct elf32_hppa_dyn_reloc_entry *hdh_next;
30667bf3 223
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224 /* The input section of the reloc. */
225 asection *sec;
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226
227 /* Number of relocs copied in this section. */
228 bfd_size_type count;
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229
230#if RELATIVE_DYNRELOCS
231 /* Number of relative relocs copied for the input section. */
232 bfd_size_type relative_count;
233#endif
234 } *dyn_relocs;
30667bf3 235
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236 enum
237 {
238 GOT_UNKNOWN = 0, GOT_NORMAL = 1, GOT_TLS_GD = 2, GOT_TLS_LDM = 4, GOT_TLS_IE = 8
239 } tls_type;
240
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241 /* Set if this symbol is used by a plabel reloc. */
242 unsigned int plabel:1;
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243};
244
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245struct elf32_hppa_link_hash_table
246{
252b5132 247 /* The main hash table. */
a63e02c7 248 struct elf_link_hash_table etab;
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249
250 /* The stub hash table. */
a63e02c7 251 struct bfd_hash_table bstab;
252b5132 252
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253 /* Linker stub bfd. */
254 bfd *stub_bfd;
255
30667bf3 256 /* Linker call-backs. */
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257 asection * (*add_stub_section) (const char *, asection *);
258 void (*layout_sections_again) (void);
30667bf3 259
25f72752
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260 /* Array to keep track of which stub sections have been created, and
261 information on stub grouping. */
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262 struct map_stub
263 {
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264 /* This is the section to which stubs in the group will be
265 attached. */
266 asection *link_sec;
267 /* The stub section. */
268 asection *stub_sec;
25f72752 269 } *stub_group;
30667bf3 270
b4655ea9
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271 /* Assorted information used by elf32_hppa_size_stubs. */
272 unsigned int bfd_count;
7292b3ac 273 unsigned int top_index;
b4655ea9
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274 asection **input_list;
275 Elf_Internal_Sym **all_local_syms;
276
c46b7515
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277 /* Used during a final link to store the base of the text and data
278 segments so that we can perform SEGREL relocations. */
279 bfd_vma text_segment_base;
280 bfd_vma data_segment_base;
281
47d89dba
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282 /* Whether we support multiple sub-spaces for shared libs. */
283 unsigned int multi_subspace:1;
284
067fa4a6 285 /* Flags set when various size branches are detected. Used to
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286 select suitable defaults for the stub group size. */
287 unsigned int has_12bit_branch:1;
288 unsigned int has_17bit_branch:1;
067fa4a6 289 unsigned int has_22bit_branch:1;
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290
291 /* Set if we need a .plt stub to support lazy dynamic linking. */
292 unsigned int need_plt_stub:1;
ec338859 293
87d72d41
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294 /* Small local sym cache. */
295 struct sym_cache sym_cache;
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296
297 /* Data for LDM relocations. */
298 union
299 {
300 bfd_signed_vma refcount;
301 bfd_vma offset;
302 } tls_ldm_got;
252b5132
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303};
304
30667bf3
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305/* Various hash macros and functions. */
306#define hppa_link_hash_table(p) \
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307 (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
308 == HPPA32_ELF_DATA ? ((struct elf32_hppa_link_hash_table *) ((p)->hash)) : NULL)
252b5132 309
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310#define hppa_elf_hash_entry(ent) \
311 ((struct elf32_hppa_link_hash_entry *)(ent))
312
313#define hppa_stub_hash_entry(ent) \
314 ((struct elf32_hppa_stub_hash_entry *)(ent))
315
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316#define hppa_stub_hash_lookup(table, string, create, copy) \
317 ((struct elf32_hppa_stub_hash_entry *) \
318 bfd_hash_lookup ((table), (string), (create), (copy)))
319
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320#define hppa_elf_local_got_tls_type(abfd) \
321 ((char *)(elf_local_got_offsets (abfd) + (elf_tdata (abfd)->symtab_hdr.sh_info * 2)))
322
323#define hh_name(hh) \
324 (hh ? hh->eh.root.root.string : "<undef>")
325
326#define eh_name(eh) \
327 (eh ? eh->root.root.string : "<undef>")
328
252b5132
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329/* Assorted hash table functions. */
330
331/* Initialize an entry in the stub hash table. */
332
333static struct bfd_hash_entry *
c39a58e6
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334stub_hash_newfunc (struct bfd_hash_entry *entry,
335 struct bfd_hash_table *table,
336 const char *string)
252b5132 337{
252b5132
RH
338 /* Allocate the structure if it has not already been allocated by a
339 subclass. */
ebe50bae 340 if (entry == NULL)
30667bf3 341 {
ebe50bae
AM
342 entry = bfd_hash_allocate (table,
343 sizeof (struct elf32_hppa_stub_hash_entry));
344 if (entry == NULL)
345 return entry;
30667bf3 346 }
252b5132
RH
347
348 /* Call the allocation method of the superclass. */
ebe50bae
AM
349 entry = bfd_hash_newfunc (entry, table, string);
350 if (entry != NULL)
252b5132 351 {
875c0872 352 struct elf32_hppa_stub_hash_entry *hsh;
ebe50bae 353
252b5132 354 /* Initialize the local fields. */
875c0872
DA
355 hsh = hppa_stub_hash_entry (entry);
356 hsh->stub_sec = NULL;
357 hsh->stub_offset = 0;
358 hsh->target_value = 0;
359 hsh->target_section = NULL;
360 hsh->stub_type = hppa_stub_long_branch;
a63e02c7 361 hsh->hh = NULL;
875c0872 362 hsh->id_sec = NULL;
30667bf3
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363 }
364
ebe50bae 365 return entry;
30667bf3
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366}
367
30667bf3
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368/* Initialize an entry in the link hash table. */
369
370static struct bfd_hash_entry *
c39a58e6
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371hppa_link_hash_newfunc (struct bfd_hash_entry *entry,
372 struct bfd_hash_table *table,
373 const char *string)
30667bf3 374{
30667bf3
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375 /* Allocate the structure if it has not already been allocated by a
376 subclass. */
ebe50bae 377 if (entry == NULL)
30667bf3 378 {
ebe50bae
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379 entry = bfd_hash_allocate (table,
380 sizeof (struct elf32_hppa_link_hash_entry));
381 if (entry == NULL)
382 return entry;
30667bf3
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383 }
384
385 /* Call the allocation method of the superclass. */
ebe50bae
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386 entry = _bfd_elf_link_hash_newfunc (entry, table, string);
387 if (entry != NULL)
30667bf3 388 {
875c0872 389 struct elf32_hppa_link_hash_entry *hh;
ebe50bae 390
30667bf3 391 /* Initialize the local fields. */
875c0872 392 hh = hppa_elf_hash_entry (entry);
a63e02c7 393 hh->hsh_cache = NULL;
875c0872
DA
394 hh->dyn_relocs = NULL;
395 hh->plabel = 0;
9b52905e 396 hh->tls_type = GOT_UNKNOWN;
252b5132
RH
397 }
398
ebe50bae 399 return entry;
252b5132
RH
400}
401
68faa637
AM
402/* Free the derived linker hash table. */
403
404static void
d495ab0d 405elf32_hppa_link_hash_table_free (bfd *obfd)
68faa637
AM
406{
407 struct elf32_hppa_link_hash_table *htab
d495ab0d 408 = (struct elf32_hppa_link_hash_table *) obfd->link.hash;
68faa637
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409
410 bfd_hash_table_free (&htab->bstab);
d495ab0d 411 _bfd_elf_link_hash_table_free (obfd);
68faa637
AM
412}
413
252b5132
RH
414/* Create the derived linker hash table. The PA ELF port uses the derived
415 hash table to keep information specific to the PA ELF linker (without
416 using static variables). */
417
418static struct bfd_link_hash_table *
c39a58e6 419elf32_hppa_link_hash_table_create (bfd *abfd)
252b5132 420{
875c0872
DA
421 struct elf32_hppa_link_hash_table *htab;
422 bfd_size_type amt = sizeof (*htab);
252b5132 423
7bf52ea2 424 htab = bfd_zmalloc (amt);
875c0872 425 if (htab == NULL)
252b5132 426 return NULL;
edd21aca 427
66eb6687 428 if (!_bfd_elf_link_hash_table_init (&htab->etab, abfd, hppa_link_hash_newfunc,
4dfe6ac6
NC
429 sizeof (struct elf32_hppa_link_hash_entry),
430 HPPA32_ELF_DATA))
252b5132 431 {
875c0872 432 free (htab);
252b5132
RH
433 return NULL;
434 }
edd21aca
AM
435
436 /* Init the stub hash table too. */
66eb6687
AM
437 if (!bfd_hash_table_init (&htab->bstab, stub_hash_newfunc,
438 sizeof (struct elf32_hppa_stub_hash_entry)))
d495ab0d
AM
439 {
440 _bfd_elf_link_hash_table_free (abfd);
441 return NULL;
442 }
443 htab->etab.root.hash_table_free = elf32_hppa_link_hash_table_free;
edd21aca 444
875c0872
DA
445 htab->text_segment_base = (bfd_vma) -1;
446 htab->data_segment_base = (bfd_vma) -1;
a63e02c7 447 return &htab->etab.root;
252b5132
RH
448}
449
a464198b
AM
450/* Initialize the linker stubs BFD so that we can use it for linker
451 created dynamic sections. */
452
453void
454elf32_hppa_init_stub_bfd (bfd *abfd, struct bfd_link_info *info)
455{
456 struct elf32_hppa_link_hash_table *htab = hppa_link_hash_table (info);
457
458 elf_elfheader (abfd)->e_ident[EI_CLASS] = ELFCLASS32;
459 htab->etab.dynobj = abfd;
460}
461
30667bf3
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462/* Build a name for an entry in the stub hash table. */
463
edd21aca 464static char *
c39a58e6
AM
465hppa_stub_name (const asection *input_section,
466 const asection *sym_sec,
875c0872
DA
467 const struct elf32_hppa_link_hash_entry *hh,
468 const Elf_Internal_Rela *rela)
edd21aca
AM
469{
470 char *stub_name;
dc810e39 471 bfd_size_type len;
edd21aca 472
875c0872 473 if (hh)
30667bf3 474 {
9b52905e 475 len = 8 + 1 + strlen (hh_name (hh)) + 1 + 8 + 1;
30667bf3
AM
476 stub_name = bfd_malloc (len);
477 if (stub_name != NULL)
9b52905e
NC
478 sprintf (stub_name, "%08x_%s+%x",
479 input_section->id & 0xffffffff,
480 hh_name (hh),
481 (int) rela->r_addend & 0xffffffff);
30667bf3
AM
482 }
483 else
edd21aca 484 {
30667bf3
AM
485 len = 8 + 1 + 8 + 1 + 8 + 1 + 8 + 1;
486 stub_name = bfd_malloc (len);
487 if (stub_name != NULL)
9b52905e
NC
488 sprintf (stub_name, "%08x_%x:%x+%x",
489 input_section->id & 0xffffffff,
490 sym_sec->id & 0xffffffff,
491 (int) ELF32_R_SYM (rela->r_info) & 0xffffffff,
492 (int) rela->r_addend & 0xffffffff);
edd21aca
AM
493 }
494 return stub_name;
495}
252b5132 496
30667bf3
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497/* Look up an entry in the stub hash. Stub entries are cached because
498 creating the stub name takes a bit of time. */
499
500static struct elf32_hppa_stub_hash_entry *
c39a58e6
AM
501hppa_get_stub_entry (const asection *input_section,
502 const asection *sym_sec,
875c0872
DA
503 struct elf32_hppa_link_hash_entry *hh,
504 const Elf_Internal_Rela *rela,
c39a58e6 505 struct elf32_hppa_link_hash_table *htab)
252b5132 506{
a63e02c7 507 struct elf32_hppa_stub_hash_entry *hsh_entry;
25f72752
AM
508 const asection *id_sec;
509
510 /* If this input section is part of a group of sections sharing one
511 stub section, then use the id of the first section in the group.
512 Stub names need to include a section id, as there may well be
513 more than one stub used to reach say, printf, and we need to
514 distinguish between them. */
83c81bfe 515 id_sec = htab->stub_group[input_section->id].link_sec;
edd21aca 516
a63e02c7
DA
517 if (hh != NULL && hh->hsh_cache != NULL
518 && hh->hsh_cache->hh == hh
519 && hh->hsh_cache->id_sec == id_sec)
edd21aca 520 {
a63e02c7 521 hsh_entry = hh->hsh_cache;
30667bf3
AM
522 }
523 else
524 {
30667bf3 525 char *stub_name;
edd21aca 526
875c0872 527 stub_name = hppa_stub_name (id_sec, sym_sec, hh, rela);
30667bf3
AM
528 if (stub_name == NULL)
529 return NULL;
edd21aca 530
a63e02c7 531 hsh_entry = hppa_stub_hash_lookup (&htab->bstab,
b34976b6 532 stub_name, FALSE, FALSE);
875c0872 533 if (hh != NULL)
a63e02c7 534 hh->hsh_cache = hsh_entry;
30667bf3
AM
535
536 free (stub_name);
edd21aca 537 }
30667bf3 538
a63e02c7 539 return hsh_entry;
30667bf3
AM
540}
541
30667bf3
AM
542/* Add a new stub entry to the stub hash. Not all fields of the new
543 stub entry are initialised. */
544
545static struct elf32_hppa_stub_hash_entry *
c39a58e6
AM
546hppa_add_stub (const char *stub_name,
547 asection *section,
548 struct elf32_hppa_link_hash_table *htab)
30667bf3 549{
25f72752 550 asection *link_sec;
30667bf3 551 asection *stub_sec;
875c0872 552 struct elf32_hppa_stub_hash_entry *hsh;
edd21aca 553
83c81bfe
AM
554 link_sec = htab->stub_group[section->id].link_sec;
555 stub_sec = htab->stub_group[section->id].stub_sec;
30667bf3 556 if (stub_sec == NULL)
edd21aca 557 {
83c81bfe 558 stub_sec = htab->stub_group[link_sec->id].stub_sec;
30667bf3
AM
559 if (stub_sec == NULL)
560 {
d4c88bbb 561 size_t namelen;
dc810e39 562 bfd_size_type len;
30667bf3
AM
563 char *s_name;
564
d4c88bbb
AM
565 namelen = strlen (link_sec->name);
566 len = namelen + sizeof (STUB_SUFFIX);
83c81bfe 567 s_name = bfd_alloc (htab->stub_bfd, len);
30667bf3
AM
568 if (s_name == NULL)
569 return NULL;
570
d4c88bbb
AM
571 memcpy (s_name, link_sec->name, namelen);
572 memcpy (s_name + namelen, STUB_SUFFIX, sizeof (STUB_SUFFIX));
83c81bfe 573 stub_sec = (*htab->add_stub_section) (s_name, link_sec);
30667bf3
AM
574 if (stub_sec == NULL)
575 return NULL;
83c81bfe 576 htab->stub_group[link_sec->id].stub_sec = stub_sec;
30667bf3 577 }
83c81bfe 578 htab->stub_group[section->id].stub_sec = stub_sec;
edd21aca 579 }
252b5132 580
30667bf3 581 /* Enter this entry into the linker stub hash table. */
a63e02c7 582 hsh = hppa_stub_hash_lookup (&htab->bstab, stub_name,
b34976b6 583 TRUE, FALSE);
875c0872 584 if (hsh == NULL)
30667bf3 585 {
695344c0 586 /* xgettext:c-format */
4eca0228
AM
587 _bfd_error_handler (_("%B: cannot create stub entry %s"),
588 section->owner, stub_name);
30667bf3 589 return NULL;
edd21aca
AM
590 }
591
875c0872
DA
592 hsh->stub_sec = stub_sec;
593 hsh->stub_offset = 0;
594 hsh->id_sec = link_sec;
595 return hsh;
edd21aca
AM
596}
597
30667bf3
AM
598/* Determine the type of stub needed, if any, for a call. */
599
600static enum elf32_hppa_stub_type
c39a58e6 601hppa_type_of_stub (asection *input_sec,
875c0872
DA
602 const Elf_Internal_Rela *rela,
603 struct elf32_hppa_link_hash_entry *hh,
a252afa4
DA
604 bfd_vma destination,
605 struct bfd_link_info *info)
edd21aca 606{
edd21aca 607 bfd_vma location;
30667bf3
AM
608 bfd_vma branch_offset;
609 bfd_vma max_branch_offset;
610 unsigned int r_type;
611
875c0872 612 if (hh != NULL
a63e02c7
DA
613 && hh->eh.plt.offset != (bfd_vma) -1
614 && hh->eh.dynindx != -1
875c0872 615 && !hh->plabel
0e1862bb 616 && (bfd_link_pic (info)
a63e02c7
DA
617 || !hh->eh.def_regular
618 || hh->eh.root.type == bfd_link_hash_defweak))
30667bf3 619 {
067fa4a6
AM
620 /* We need an import stub. Decide between hppa_stub_import
621 and hppa_stub_import_shared later. */
30667bf3
AM
622 return hppa_stub_import;
623 }
edd21aca 624
30667bf3
AM
625 /* Determine where the call point is. */
626 location = (input_sec->output_offset
627 + input_sec->output_section->vma
875c0872 628 + rela->r_offset);
edd21aca 629
30667bf3 630 branch_offset = destination - location - 8;
875c0872 631 r_type = ELF32_R_TYPE (rela->r_info);
edd21aca 632
30667bf3
AM
633 /* Determine if a long branch stub is needed. parisc branch offsets
634 are relative to the second instruction past the branch, ie. +8
635 bytes on from the branch instruction location. The offset is
636 signed and counts in units of 4 bytes. */
637 if (r_type == (unsigned int) R_PARISC_PCREL17F)
9b52905e
NC
638 max_branch_offset = (1 << (17 - 1)) << 2;
639
30667bf3 640 else if (r_type == (unsigned int) R_PARISC_PCREL12F)
9b52905e
NC
641 max_branch_offset = (1 << (12 - 1)) << 2;
642
25f72752 643 else /* R_PARISC_PCREL22F. */
9b52905e 644 max_branch_offset = (1 << (22 - 1)) << 2;
edd21aca 645
30667bf3 646 if (branch_offset + max_branch_offset >= 2*max_branch_offset)
98ceb8ce
AM
647 return hppa_stub_long_branch;
648
30667bf3
AM
649 return hppa_stub_none;
650}
edd21aca 651
30667bf3
AM
652/* Build one linker stub as defined by the stub hash table entry GEN_ENTRY.
653 IN_ARG contains the link info pointer. */
edd21aca 654
30667bf3
AM
655#define LDIL_R1 0x20200000 /* ldil LR'XXX,%r1 */
656#define BE_SR4_R1 0xe0202002 /* be,n RR'XXX(%sr4,%r1) */
edd21aca 657
30667bf3 658#define BL_R1 0xe8200000 /* b,l .+8,%r1 */
3ee1d854 659#define ADDIL_R1 0x28200000 /* addil LR'XXX,%r1,%r1 */
30667bf3 660#define DEPI_R1 0xd4201c1e /* depi 0,31,2,%r1 */
252b5132 661
3ee1d854
AM
662#define ADDIL_DP 0x2b600000 /* addil LR'XXX,%dp,%r1 */
663#define LDW_R1_R21 0x48350000 /* ldw RR'XXX(%sr0,%r1),%r21 */
30667bf3 664#define BV_R0_R21 0xeaa0c000 /* bv %r0(%r21) */
3ee1d854 665#define LDW_R1_R19 0x48330000 /* ldw RR'XXX(%sr0,%r1),%r19 */
252b5132 666
3ee1d854
AM
667#define ADDIL_R19 0x2a600000 /* addil LR'XXX,%r19,%r1 */
668#define LDW_R1_DP 0x483b0000 /* ldw RR'XXX(%sr0,%r1),%dp */
edd21aca 669
30667bf3
AM
670#define LDSID_R21_R1 0x02a010a1 /* ldsid (%sr0,%r21),%r1 */
671#define MTSP_R1 0x00011820 /* mtsp %r1,%sr0 */
672#define BE_SR0_R21 0xe2a00000 /* be 0(%sr0,%r21) */
673#define STW_RP 0x6bc23fd1 /* stw %rp,-24(%sr0,%sp) */
edd21aca 674
067fa4a6 675#define BL22_RP 0xe800a002 /* b,l,n XXX,%rp */
30667bf3
AM
676#define BL_RP 0xe8400002 /* b,l,n XXX,%rp */
677#define NOP 0x08000240 /* nop */
678#define LDW_RP 0x4bc23fd1 /* ldw -24(%sr0,%sp),%rp */
679#define LDSID_RP_R1 0x004010a1 /* ldsid (%sr0,%rp),%r1 */
680#define BE_SR0_RP 0xe0400002 /* be,n 0(%sr0,%rp) */
edd21aca 681
30667bf3
AM
682#ifndef R19_STUBS
683#define R19_STUBS 1
684#endif
edd21aca 685
30667bf3
AM
686#if R19_STUBS
687#define LDW_R1_DLT LDW_R1_R19
688#else
689#define LDW_R1_DLT LDW_R1_DP
690#endif
edd21aca 691
b34976b6 692static bfd_boolean
875c0872 693hppa_build_one_stub (struct bfd_hash_entry *bh, void *in_arg)
30667bf3 694{
875c0872 695 struct elf32_hppa_stub_hash_entry *hsh;
30667bf3 696 struct bfd_link_info *info;
83c81bfe 697 struct elf32_hppa_link_hash_table *htab;
30667bf3
AM
698 asection *stub_sec;
699 bfd *stub_bfd;
700 bfd_byte *loc;
701 bfd_vma sym_value;
74d1c347 702 bfd_vma insn;
8dea1268 703 bfd_vma off;
74d1c347 704 int val;
30667bf3 705 int size;
edd21aca 706
30667bf3 707 /* Massage our args to the form they really have. */
875c0872
DA
708 hsh = hppa_stub_hash_entry (bh);
709 info = (struct bfd_link_info *)in_arg;
30667bf3 710
83c81bfe 711 htab = hppa_link_hash_table (info);
4dfe6ac6
NC
712 if (htab == NULL)
713 return FALSE;
714
875c0872 715 stub_sec = hsh->stub_sec;
edd21aca 716
30667bf3 717 /* Make a note of the offset within the stubs for this entry. */
875c0872
DA
718 hsh->stub_offset = stub_sec->size;
719 loc = stub_sec->contents + hsh->stub_offset;
252b5132 720
30667bf3
AM
721 stub_bfd = stub_sec->owner;
722
875c0872 723 switch (hsh->stub_type)
30667bf3
AM
724 {
725 case hppa_stub_long_branch:
726 /* Create the long branch. A long branch is formed with "ldil"
727 loading the upper bits of the target address into a register,
728 then branching with "be" which adds in the lower bits.
729 The "be" has its delay slot nullified. */
875c0872
DA
730 sym_value = (hsh->target_value
731 + hsh->target_section->output_offset
732 + hsh->target_section->output_section->vma);
30667bf3 733
c39a58e6 734 val = hppa_field_adjust (sym_value, 0, e_lrsel);
74d1c347 735 insn = hppa_rebuild_insn ((int) LDIL_R1, val, 21);
30667bf3
AM
736 bfd_put_32 (stub_bfd, insn, loc);
737
c39a58e6 738 val = hppa_field_adjust (sym_value, 0, e_rrsel) >> 2;
74d1c347 739 insn = hppa_rebuild_insn ((int) BE_SR4_R1, val, 17);
30667bf3
AM
740 bfd_put_32 (stub_bfd, insn, loc + 4);
741
30667bf3 742 size = 8;
edd21aca
AM
743 break;
744
30667bf3
AM
745 case hppa_stub_long_branch_shared:
746 /* Branches are relative. This is where we are going to. */
875c0872
DA
747 sym_value = (hsh->target_value
748 + hsh->target_section->output_offset
749 + hsh->target_section->output_section->vma);
30667bf3
AM
750
751 /* And this is where we are coming from, more or less. */
875c0872 752 sym_value -= (hsh->stub_offset
30667bf3
AM
753 + stub_sec->output_offset
754 + stub_sec->output_section->vma);
755
74d1c347 756 bfd_put_32 (stub_bfd, (bfd_vma) BL_R1, loc);
47d89dba 757 val = hppa_field_adjust (sym_value, (bfd_signed_vma) -8, e_lrsel);
74d1c347 758 insn = hppa_rebuild_insn ((int) ADDIL_R1, val, 21);
30667bf3
AM
759 bfd_put_32 (stub_bfd, insn, loc + 4);
760
47d89dba 761 val = hppa_field_adjust (sym_value, (bfd_signed_vma) -8, e_rrsel) >> 2;
74d1c347 762 insn = hppa_rebuild_insn ((int) BE_SR4_R1, val, 17);
30667bf3
AM
763 bfd_put_32 (stub_bfd, insn, loc + 8);
764 size = 12;
765 break;
edd21aca 766
30667bf3
AM
767 case hppa_stub_import:
768 case hppa_stub_import_shared:
a63e02c7 769 off = hsh->hh->eh.plt.offset;
8dea1268 770 if (off >= (bfd_vma) -2)
49e9d0d3 771 abort ();
8dea1268
AM
772
773 off &= ~ (bfd_vma) 1;
774 sym_value = (off
ce558b89
AM
775 + htab->etab.splt->output_offset
776 + htab->etab.splt->output_section->vma
777 - elf_gp (htab->etab.splt->output_section->owner));
30667bf3
AM
778
779 insn = ADDIL_DP;
780#if R19_STUBS
875c0872 781 if (hsh->stub_type == hppa_stub_import_shared)
30667bf3
AM
782 insn = ADDIL_R19;
783#endif
c39a58e6 784 val = hppa_field_adjust (sym_value, 0, e_lrsel),
74d1c347 785 insn = hppa_rebuild_insn ((int) insn, val, 21);
30667bf3 786 bfd_put_32 (stub_bfd, insn, loc);
edd21aca 787
47d89dba
AM
788 /* It is critical to use lrsel/rrsel here because we are using
789 two different offsets (+0 and +4) from sym_value. If we use
790 lsel/rsel then with unfortunate sym_values we will round
791 sym_value+4 up to the next 2k block leading to a mis-match
792 between the lsel and rsel value. */
c39a58e6 793 val = hppa_field_adjust (sym_value, 0, e_rrsel);
74d1c347 794 insn = hppa_rebuild_insn ((int) LDW_R1_R21, val, 14);
30667bf3 795 bfd_put_32 (stub_bfd, insn, loc + 4);
252b5132 796
83c81bfe 797 if (htab->multi_subspace)
30667bf3 798 {
47d89dba 799 val = hppa_field_adjust (sym_value, (bfd_signed_vma) 4, e_rrsel);
74d1c347 800 insn = hppa_rebuild_insn ((int) LDW_R1_DLT, val, 14);
30667bf3 801 bfd_put_32 (stub_bfd, insn, loc + 8);
252b5132 802
74d1c347
AM
803 bfd_put_32 (stub_bfd, (bfd_vma) LDSID_R21_R1, loc + 12);
804 bfd_put_32 (stub_bfd, (bfd_vma) MTSP_R1, loc + 16);
805 bfd_put_32 (stub_bfd, (bfd_vma) BE_SR0_R21, loc + 20);
806 bfd_put_32 (stub_bfd, (bfd_vma) STW_RP, loc + 24);
252b5132 807
30667bf3
AM
808 size = 28;
809 }
810 else
811 {
74d1c347 812 bfd_put_32 (stub_bfd, (bfd_vma) BV_R0_R21, loc + 8);
47d89dba 813 val = hppa_field_adjust (sym_value, (bfd_signed_vma) 4, e_rrsel);
74d1c347 814 insn = hppa_rebuild_insn ((int) LDW_R1_DLT, val, 14);
30667bf3 815 bfd_put_32 (stub_bfd, insn, loc + 12);
252b5132 816
30667bf3
AM
817 size = 16;
818 }
252b5132 819
30667bf3 820 break;
252b5132 821
30667bf3
AM
822 case hppa_stub_export:
823 /* Branches are relative. This is where we are going to. */
875c0872
DA
824 sym_value = (hsh->target_value
825 + hsh->target_section->output_offset
826 + hsh->target_section->output_section->vma);
252b5132 827
30667bf3 828 /* And this is where we are coming from. */
875c0872 829 sym_value -= (hsh->stub_offset
30667bf3
AM
830 + stub_sec->output_offset
831 + stub_sec->output_section->vma);
edd21aca 832
067fa4a6
AM
833 if (sym_value - 8 + (1 << (17 + 1)) >= (1 << (17 + 2))
834 && (!htab->has_22bit_branch
835 || sym_value - 8 + (1 << (22 + 1)) >= (1 << (22 + 2))))
30667bf3 836 {
4eca0228 837 _bfd_error_handler
695344c0 838 /* xgettext:c-format */
d003868e 839 (_("%B(%A+0x%lx): cannot reach %s, recompile with -ffunction-sections"),
875c0872 840 hsh->target_section->owner,
d003868e 841 stub_sec,
875c0872 842 (long) hsh->stub_offset,
a63e02c7 843 hsh->bh_root.string);
30667bf3 844 bfd_set_error (bfd_error_bad_value);
b34976b6 845 return FALSE;
252b5132 846 }
30667bf3 847
74d1c347 848 val = hppa_field_adjust (sym_value, (bfd_signed_vma) -8, e_fsel) >> 2;
067fa4a6
AM
849 if (!htab->has_22bit_branch)
850 insn = hppa_rebuild_insn ((int) BL_RP, val, 17);
851 else
852 insn = hppa_rebuild_insn ((int) BL22_RP, val, 22);
30667bf3
AM
853 bfd_put_32 (stub_bfd, insn, loc);
854
74d1c347
AM
855 bfd_put_32 (stub_bfd, (bfd_vma) NOP, loc + 4);
856 bfd_put_32 (stub_bfd, (bfd_vma) LDW_RP, loc + 8);
857 bfd_put_32 (stub_bfd, (bfd_vma) LDSID_RP_R1, loc + 12);
858 bfd_put_32 (stub_bfd, (bfd_vma) MTSP_R1, loc + 16);
859 bfd_put_32 (stub_bfd, (bfd_vma) BE_SR0_RP, loc + 20);
30667bf3
AM
860
861 /* Point the function symbol at the stub. */
a63e02c7
DA
862 hsh->hh->eh.root.u.def.section = stub_sec;
863 hsh->hh->eh.root.u.def.value = stub_sec->size;
30667bf3
AM
864
865 size = 24;
866 break;
867
868 default:
869 BFD_FAIL ();
b34976b6 870 return FALSE;
252b5132
RH
871 }
872
eea6121a 873 stub_sec->size += size;
b34976b6 874 return TRUE;
252b5132
RH
875}
876
30667bf3
AM
877#undef LDIL_R1
878#undef BE_SR4_R1
879#undef BL_R1
880#undef ADDIL_R1
881#undef DEPI_R1
30667bf3
AM
882#undef LDW_R1_R21
883#undef LDW_R1_DLT
884#undef LDW_R1_R19
885#undef ADDIL_R19
886#undef LDW_R1_DP
887#undef LDSID_R21_R1
888#undef MTSP_R1
889#undef BE_SR0_R21
890#undef STW_RP
891#undef BV_R0_R21
892#undef BL_RP
893#undef NOP
894#undef LDW_RP
895#undef LDSID_RP_R1
896#undef BE_SR0_RP
252b5132 897
30667bf3
AM
898/* As above, but don't actually build the stub. Just bump offset so
899 we know stub section sizes. */
900
b34976b6 901static bfd_boolean
875c0872 902hppa_size_one_stub (struct bfd_hash_entry *bh, void *in_arg)
252b5132 903{
875c0872 904 struct elf32_hppa_stub_hash_entry *hsh;
83c81bfe 905 struct elf32_hppa_link_hash_table *htab;
30667bf3
AM
906 int size;
907
908 /* Massage our args to the form they really have. */
875c0872 909 hsh = hppa_stub_hash_entry (bh);
c39a58e6 910 htab = in_arg;
30667bf3 911
875c0872 912 if (hsh->stub_type == hppa_stub_long_branch)
98ceb8ce 913 size = 8;
875c0872 914 else if (hsh->stub_type == hppa_stub_long_branch_shared)
30667bf3 915 size = 12;
875c0872 916 else if (hsh->stub_type == hppa_stub_export)
30667bf3 917 size = 24;
74d1c347 918 else /* hppa_stub_import or hppa_stub_import_shared. */
252b5132 919 {
83c81bfe 920 if (htab->multi_subspace)
30667bf3
AM
921 size = 28;
922 else
923 size = 16;
924 }
252b5132 925
875c0872 926 hsh->stub_sec->size += size;
b34976b6 927 return TRUE;
30667bf3 928}
252b5132 929
30667bf3
AM
930/* Return nonzero if ABFD represents an HPPA ELF32 file.
931 Additionally we set the default architecture and machine. */
932
b34976b6 933static bfd_boolean
c39a58e6 934elf32_hppa_object_p (bfd *abfd)
30667bf3 935{
24a5e751
L
936 Elf_Internal_Ehdr * i_ehdrp;
937 unsigned int flags;
252b5132 938
24a5e751
L
939 i_ehdrp = elf_elfheader (abfd);
940 if (strcmp (bfd_get_target (abfd), "elf32-hppa-linux") == 0)
941 {
9c55345c 942 /* GCC on hppa-linux produces binaries with OSABI=GNU,
6c21aa76 943 but the kernel produces corefiles with OSABI=SysV. */
9c55345c 944 if (i_ehdrp->e_ident[EI_OSABI] != ELFOSABI_GNU &&
6c21aa76 945 i_ehdrp->e_ident[EI_OSABI] != ELFOSABI_NONE) /* aka SYSV */
b34976b6 946 return FALSE;
24a5e751 947 }
225247f0
JT
948 else if (strcmp (bfd_get_target (abfd), "elf32-hppa-netbsd") == 0)
949 {
950 /* GCC on hppa-netbsd produces binaries with OSABI=NetBSD,
951 but the kernel produces corefiles with OSABI=SysV. */
952 if (i_ehdrp->e_ident[EI_OSABI] != ELFOSABI_NETBSD &&
953 i_ehdrp->e_ident[EI_OSABI] != ELFOSABI_NONE) /* aka SYSV */
954 return FALSE;
955 }
24a5e751
L
956 else
957 {
958 if (i_ehdrp->e_ident[EI_OSABI] != ELFOSABI_HPUX)
b34976b6 959 return FALSE;
24a5e751
L
960 }
961
962 flags = i_ehdrp->e_flags;
30667bf3
AM
963 switch (flags & (EF_PARISC_ARCH | EF_PARISC_WIDE))
964 {
965 case EFA_PARISC_1_0:
966 return bfd_default_set_arch_mach (abfd, bfd_arch_hppa, 10);
967 case EFA_PARISC_1_1:
968 return bfd_default_set_arch_mach (abfd, bfd_arch_hppa, 11);
969 case EFA_PARISC_2_0:
970 return bfd_default_set_arch_mach (abfd, bfd_arch_hppa, 20);
971 case EFA_PARISC_2_0 | EF_PARISC_WIDE:
972 return bfd_default_set_arch_mach (abfd, bfd_arch_hppa, 25);
973 }
b34976b6 974 return TRUE;
252b5132
RH
975}
976
30667bf3
AM
977/* Create the .plt and .got sections, and set up our hash table
978 short-cuts to various dynamic sections. */
979
b34976b6 980static bfd_boolean
c39a58e6 981elf32_hppa_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
252b5132 982{
83c81bfe 983 struct elf32_hppa_link_hash_table *htab;
875c0872 984 struct elf_link_hash_entry *eh;
edd21aca 985
30667bf3 986 /* Don't try to create the .plt and .got twice. */
83c81bfe 987 htab = hppa_link_hash_table (info);
4dfe6ac6
NC
988 if (htab == NULL)
989 return FALSE;
ce558b89 990 if (htab->etab.splt != NULL)
b34976b6 991 return TRUE;
edd21aca 992
30667bf3
AM
993 /* Call the generic code to do most of the work. */
994 if (! _bfd_elf_create_dynamic_sections (abfd, info))
b34976b6 995 return FALSE;
252b5132 996
b18e2ae5
AM
997 /* hppa-linux needs _GLOBAL_OFFSET_TABLE_ to be visible from the main
998 application, because __canonicalize_funcptr_for_compare needs it. */
875c0872
DA
999 eh = elf_hash_table (info)->hgot;
1000 eh->forced_local = 0;
1001 eh->other = STV_DEFAULT;
1002 return bfd_elf_link_record_dynamic_symbol (info, eh);
30667bf3
AM
1003}
1004
ebe50bae
AM
1005/* Copy the extra info we tack onto an elf_link_hash_entry. */
1006
51b64d56 1007static void
fcfa13d2 1008elf32_hppa_copy_indirect_symbol (struct bfd_link_info *info,
875c0872
DA
1009 struct elf_link_hash_entry *eh_dir,
1010 struct elf_link_hash_entry *eh_ind)
ebe50bae 1011{
875c0872 1012 struct elf32_hppa_link_hash_entry *hh_dir, *hh_ind;
ebe50bae 1013
875c0872
DA
1014 hh_dir = hppa_elf_hash_entry (eh_dir);
1015 hh_ind = hppa_elf_hash_entry (eh_ind);
ebe50bae 1016
875c0872 1017 if (hh_ind->dyn_relocs != NULL)
ebe50bae 1018 {
875c0872 1019 if (hh_dir->dyn_relocs != NULL)
bbd7ec4a 1020 {
875c0872
DA
1021 struct elf32_hppa_dyn_reloc_entry **hdh_pp;
1022 struct elf32_hppa_dyn_reloc_entry *hdh_p;
bbd7ec4a 1023
fcfa13d2 1024 /* Add reloc counts against the indirect sym to the direct sym
bbd7ec4a 1025 list. Merge any entries against the same section. */
875c0872 1026 for (hdh_pp = &hh_ind->dyn_relocs; (hdh_p = *hdh_pp) != NULL; )
bbd7ec4a 1027 {
875c0872 1028 struct elf32_hppa_dyn_reloc_entry *hdh_q;
bbd7ec4a 1029
fcfa13d2
AM
1030 for (hdh_q = hh_dir->dyn_relocs;
1031 hdh_q != NULL;
1032 hdh_q = hdh_q->hdh_next)
875c0872 1033 if (hdh_q->sec == hdh_p->sec)
bbd7ec4a
AM
1034 {
1035#if RELATIVE_DYNRELOCS
875c0872 1036 hdh_q->relative_count += hdh_p->relative_count;
bbd7ec4a 1037#endif
875c0872 1038 hdh_q->count += hdh_p->count;
a63e02c7 1039 *hdh_pp = hdh_p->hdh_next;
bbd7ec4a
AM
1040 break;
1041 }
875c0872 1042 if (hdh_q == NULL)
a63e02c7 1043 hdh_pp = &hdh_p->hdh_next;
bbd7ec4a 1044 }
875c0872 1045 *hdh_pp = hh_dir->dyn_relocs;
bbd7ec4a
AM
1046 }
1047
875c0872
DA
1048 hh_dir->dyn_relocs = hh_ind->dyn_relocs;
1049 hh_ind->dyn_relocs = NULL;
ebe50bae 1050 }
ebe50bae 1051
4fc8051d 1052 if (ELIMINATE_COPY_RELOCS
875c0872
DA
1053 && eh_ind->root.type != bfd_link_hash_indirect
1054 && eh_dir->dynamic_adjusted)
f5385ebf
AM
1055 {
1056 /* If called to transfer flags for a weakdef during processing
1057 of elf_adjust_dynamic_symbol, don't copy non_got_ref.
1058 We clear it ourselves for ELIMINATE_COPY_RELOCS. */
875c0872
DA
1059 eh_dir->ref_dynamic |= eh_ind->ref_dynamic;
1060 eh_dir->ref_regular |= eh_ind->ref_regular;
1061 eh_dir->ref_regular_nonweak |= eh_ind->ref_regular_nonweak;
1062 eh_dir->needs_plt |= eh_ind->needs_plt;
f5385ebf 1063 }
4fc8051d 1064 else
9b52905e
NC
1065 {
1066 if (eh_ind->root.type == bfd_link_hash_indirect
1067 && eh_dir->got.refcount <= 0)
1068 {
1069 hh_dir->tls_type = hh_ind->tls_type;
1070 hh_ind->tls_type = GOT_UNKNOWN;
1071 }
1072
1073 _bfd_elf_link_hash_copy_indirect (info, eh_dir, eh_ind);
1074 }
1075}
1076
1077static int
1078elf32_hppa_optimized_tls_reloc (struct bfd_link_info *info ATTRIBUTE_UNUSED,
1079 int r_type, int is_local ATTRIBUTE_UNUSED)
1080{
1081 /* For now we don't support linker optimizations. */
1082 return r_type;
ebe50bae
AM
1083}
1084
d45b7d74
DA
1085/* Return a pointer to the local GOT, PLT and TLS reference counts
1086 for ABFD. Returns NULL if the storage allocation fails. */
1087
1088static bfd_signed_vma *
1089hppa32_elf_local_refcounts (bfd *abfd)
1090{
1091 Elf_Internal_Shdr *symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
1092 bfd_signed_vma *local_refcounts;
68ffbac6 1093
d45b7d74
DA
1094 local_refcounts = elf_local_got_refcounts (abfd);
1095 if (local_refcounts == NULL)
1096 {
1097 bfd_size_type size;
1098
1099 /* Allocate space for local GOT and PLT reference
1100 counts. Done this way to save polluting elf_obj_tdata
1101 with another target specific pointer. */
1102 size = symtab_hdr->sh_info;
1103 size *= 2 * sizeof (bfd_signed_vma);
1104 /* Add in space to store the local GOT TLS types. */
1105 size += symtab_hdr->sh_info;
1106 local_refcounts = bfd_zalloc (abfd, size);
1107 if (local_refcounts == NULL)
1108 return NULL;
1109 elf_local_got_refcounts (abfd) = local_refcounts;
1110 memset (hppa_elf_local_got_tls_type (abfd), GOT_UNKNOWN,
1111 symtab_hdr->sh_info);
1112 }
1113 return local_refcounts;
1114}
1115
1116
30667bf3 1117/* Look through the relocs for a section during the first phase, and
3ac8354b
AM
1118 calculate needed space in the global offset table, procedure linkage
1119 table, and dynamic reloc sections. At this point we haven't
1120 necessarily read all the input files. */
252b5132 1121
b34976b6 1122static bfd_boolean
c39a58e6
AM
1123elf32_hppa_check_relocs (bfd *abfd,
1124 struct bfd_link_info *info,
1125 asection *sec,
1126 const Elf_Internal_Rela *relocs)
252b5132 1127{
30667bf3 1128 Elf_Internal_Shdr *symtab_hdr;
875c0872
DA
1129 struct elf_link_hash_entry **eh_syms;
1130 const Elf_Internal_Rela *rela;
1131 const Elf_Internal_Rela *rela_end;
83c81bfe 1132 struct elf32_hppa_link_hash_table *htab;
30667bf3 1133 asection *sreloc;
9b52905e 1134 int tls_type = GOT_UNKNOWN, old_tls_type = GOT_UNKNOWN;
30667bf3 1135
0e1862bb 1136 if (bfd_link_relocatable (info))
b34976b6 1137 return TRUE;
30667bf3 1138
83c81bfe 1139 htab = hppa_link_hash_table (info);
4dfe6ac6
NC
1140 if (htab == NULL)
1141 return FALSE;
30667bf3 1142 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
875c0872 1143 eh_syms = elf_sym_hashes (abfd);
30667bf3 1144 sreloc = NULL;
30667bf3 1145
875c0872
DA
1146 rela_end = relocs + sec->reloc_count;
1147 for (rela = relocs; rela < rela_end; rela++)
30667bf3
AM
1148 {
1149 enum {
1150 NEED_GOT = 1,
1151 NEED_PLT = 2,
1152 NEED_DYNREL = 4,
98ceb8ce 1153 PLT_PLABEL = 8
30667bf3 1154 };
edd21aca 1155
30667bf3 1156 unsigned int r_symndx, r_type;
875c0872
DA
1157 struct elf32_hppa_link_hash_entry *hh;
1158 int need_entry = 0;
252b5132 1159
875c0872 1160 r_symndx = ELF32_R_SYM (rela->r_info);
252b5132 1161
30667bf3 1162 if (r_symndx < symtab_hdr->sh_info)
875c0872 1163 hh = NULL;
30667bf3 1164 else
f7c5057a 1165 {
875c0872 1166 hh = hppa_elf_hash_entry (eh_syms[r_symndx - symtab_hdr->sh_info]);
a63e02c7
DA
1167 while (hh->eh.root.type == bfd_link_hash_indirect
1168 || hh->eh.root.type == bfd_link_hash_warning)
1169 hh = hppa_elf_hash_entry (hh->eh.root.u.i.link);
81fbe831
AM
1170
1171 /* PR15323, ref flags aren't set for references in the same
1172 object. */
1173 hh->eh.root.non_ir_ref = 1;
f7c5057a 1174 }
252b5132 1175
875c0872 1176 r_type = ELF32_R_TYPE (rela->r_info);
9b52905e 1177 r_type = elf32_hppa_optimized_tls_reloc (info, r_type, hh == NULL);
252b5132 1178
30667bf3
AM
1179 switch (r_type)
1180 {
1181 case R_PARISC_DLTIND14F:
1182 case R_PARISC_DLTIND14R:
1183 case R_PARISC_DLTIND21L:
1184 /* This symbol requires a global offset table entry. */
1185 need_entry = NEED_GOT;
30667bf3
AM
1186 break;
1187
1188 case R_PARISC_PLABEL14R: /* "Official" procedure labels. */
1189 case R_PARISC_PLABEL21L:
1190 case R_PARISC_PLABEL32:
74d1c347 1191 /* If the addend is non-zero, we break badly. */
875c0872 1192 if (rela->r_addend != 0)
49e9d0d3 1193 abort ();
74d1c347
AM
1194
1195 /* If we are creating a shared library, then we need to
1196 create a PLT entry for all PLABELs, because PLABELs with
1197 local symbols may be passed via a pointer to another
1198 object. Additionally, output a dynamic relocation
4dc86686 1199 pointing to the PLT entry.
875c0872 1200
4dc86686
AM
1201 For executables, the original 32-bit ABI allowed two
1202 different styles of PLABELs (function pointers): For
1203 global functions, the PLABEL word points into the .plt
1204 two bytes past a (function address, gp) pair, and for
1205 local functions the PLABEL points directly at the
1206 function. The magic +2 for the first type allows us to
1207 differentiate between the two. As you can imagine, this
1208 is a real pain when it comes to generating code to call
1209 functions indirectly or to compare function pointers.
1210 We avoid the mess by always pointing a PLABEL into the
1211 .plt, even for local functions. */
74d1c347 1212 need_entry = PLT_PLABEL | NEED_PLT | NEED_DYNREL;
30667bf3
AM
1213 break;
1214
1215 case R_PARISC_PCREL12F:
83c81bfe 1216 htab->has_12bit_branch = 1;
067fa4a6
AM
1217 goto branch_common;
1218
30667bf3
AM
1219 case R_PARISC_PCREL17C:
1220 case R_PARISC_PCREL17F:
83c81bfe 1221 htab->has_17bit_branch = 1;
067fa4a6
AM
1222 goto branch_common;
1223
30667bf3 1224 case R_PARISC_PCREL22F:
067fa4a6
AM
1225 htab->has_22bit_branch = 1;
1226 branch_common:
47d89dba
AM
1227 /* Function calls might need to go through the .plt, and
1228 might require long branch stubs. */
875c0872 1229 if (hh == NULL)
30667bf3
AM
1230 {
1231 /* We know local syms won't need a .plt entry, and if
1232 they need a long branch stub we can't guarantee that
1233 we can reach the stub. So just flag an error later
1234 if we're doing a shared link and find we need a long
1235 branch stub. */
1236 continue;
1237 }
1238 else
1239 {
1240 /* Global symbols will need a .plt entry if they remain
1241 global, and in most cases won't need a long branch
1242 stub. Unfortunately, we have to cater for the case
1243 where a symbol is forced local by versioning, or due
1244 to symbolic linking, and we lose the .plt entry. */
98ceb8ce 1245 need_entry = NEED_PLT;
a63e02c7 1246 if (hh->eh.type == STT_PARISC_MILLI)
98ceb8ce 1247 need_entry = 0;
30667bf3
AM
1248 }
1249 break;
1250
36751eee 1251 case R_PARISC_SEGBASE: /* Used to set segment base. */
c46b7515 1252 case R_PARISC_SEGREL32: /* Relative reloc, used for unwind. */
30667bf3
AM
1253 case R_PARISC_PCREL14F: /* PC relative load/store. */
1254 case R_PARISC_PCREL14R:
1255 case R_PARISC_PCREL17R: /* External branches. */
1256 case R_PARISC_PCREL21L: /* As above, and for load/store too. */
36751eee 1257 case R_PARISC_PCREL32:
30667bf3
AM
1258 /* We don't need to propagate the relocation if linking a
1259 shared object since these are section relative. */
1260 continue;
1261
1262 case R_PARISC_DPREL14F: /* Used for gp rel data load/store. */
1263 case R_PARISC_DPREL14R:
1264 case R_PARISC_DPREL21L:
0e1862bb 1265 if (bfd_link_pic (info))
30667bf3 1266 {
4eca0228 1267 _bfd_error_handler
695344c0 1268 /* xgettext:c-format */
d003868e
AM
1269 (_("%B: relocation %s can not be used when making a shared object; recompile with -fPIC"),
1270 abfd,
30667bf3
AM
1271 elf_hppa_howto_table[r_type].name);
1272 bfd_set_error (bfd_error_bad_value);
b34976b6 1273 return FALSE;
30667bf3
AM
1274 }
1275 /* Fall through. */
1276
1277 case R_PARISC_DIR17F: /* Used for external branches. */
1278 case R_PARISC_DIR17R:
47d89dba
AM
1279 case R_PARISC_DIR14F: /* Used for load/store from absolute locn. */
1280 case R_PARISC_DIR14R:
30667bf3 1281 case R_PARISC_DIR21L: /* As above, and for ext branches too. */
c46b7515 1282 case R_PARISC_DIR32: /* .word relocs. */
30667bf3
AM
1283 /* We may want to output a dynamic relocation later. */
1284 need_entry = NEED_DYNREL;
1285 break;
1286
1287 /* This relocation describes the C++ object vtable hierarchy.
1288 Reconstruct it for later use during GC. */
1289 case R_PARISC_GNU_VTINHERIT:
a63e02c7 1290 if (!bfd_elf_gc_record_vtinherit (abfd, sec, &hh->eh, rela->r_offset))
b34976b6 1291 return FALSE;
30667bf3
AM
1292 continue;
1293
1294 /* This relocation describes which C++ vtable entries are actually
1295 used. Record for later use during GC. */
1296 case R_PARISC_GNU_VTENTRY:
d17e0c6e
JB
1297 BFD_ASSERT (hh != NULL);
1298 if (hh != NULL
1299 && !bfd_elf_gc_record_vtentry (abfd, sec, &hh->eh, rela->r_addend))
b34976b6 1300 return FALSE;
30667bf3
AM
1301 continue;
1302
9b52905e
NC
1303 case R_PARISC_TLS_GD21L:
1304 case R_PARISC_TLS_GD14R:
1305 case R_PARISC_TLS_LDM21L:
1306 case R_PARISC_TLS_LDM14R:
1307 need_entry = NEED_GOT;
1308 break;
1309
1310 case R_PARISC_TLS_IE21L:
1311 case R_PARISC_TLS_IE14R:
0e1862bb 1312 if (bfd_link_pic (info))
9b52905e
NC
1313 info->flags |= DF_STATIC_TLS;
1314 need_entry = NEED_GOT;
1315 break;
1316
30667bf3
AM
1317 default:
1318 continue;
1319 }
1320
1321 /* Now carry out our orders. */
1322 if (need_entry & NEED_GOT)
1323 {
9b52905e
NC
1324 switch (r_type)
1325 {
1326 default:
1327 tls_type = GOT_NORMAL;
1328 break;
1329 case R_PARISC_TLS_GD21L:
1330 case R_PARISC_TLS_GD14R:
1331 tls_type |= GOT_TLS_GD;
1332 break;
1333 case R_PARISC_TLS_LDM21L:
1334 case R_PARISC_TLS_LDM14R:
1335 tls_type |= GOT_TLS_LDM;
1336 break;
1337 case R_PARISC_TLS_IE21L:
1338 case R_PARISC_TLS_IE14R:
1339 tls_type |= GOT_TLS_IE;
1340 break;
1341 }
1342
30667bf3 1343 /* Allocate space for a GOT entry, as well as a dynamic
25f72752 1344 relocation for this entry. */
ce558b89 1345 if (htab->etab.sgot == NULL)
30667bf3 1346 {
a63e02c7 1347 if (!elf32_hppa_create_dynamic_sections (htab->etab.dynobj, info))
b34976b6 1348 return FALSE;
30667bf3
AM
1349 }
1350
9b52905e
NC
1351 if (r_type == R_PARISC_TLS_LDM21L
1352 || r_type == R_PARISC_TLS_LDM14R)
4dfe6ac6 1353 htab->tls_ldm_got.refcount += 1;
30667bf3
AM
1354 else
1355 {
9b52905e
NC
1356 if (hh != NULL)
1357 {
1358 hh->eh.got.refcount += 1;
1359 old_tls_type = hh->tls_type;
1360 }
1361 else
1362 {
1363 bfd_signed_vma *local_got_refcounts;
68ffbac6 1364
9b52905e 1365 /* This is a global offset table entry for a local symbol. */
d45b7d74 1366 local_got_refcounts = hppa32_elf_local_refcounts (abfd);
9b52905e 1367 if (local_got_refcounts == NULL)
d45b7d74 1368 return FALSE;
9b52905e
NC
1369 local_got_refcounts[r_symndx] += 1;
1370
1371 old_tls_type = hppa_elf_local_got_tls_type (abfd) [r_symndx];
1372 }
1373
1374 tls_type |= old_tls_type;
1375
1376 if (old_tls_type != tls_type)
1377 {
1378 if (hh != NULL)
1379 hh->tls_type = tls_type;
1380 else
1381 hppa_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
1382 }
1383
30667bf3
AM
1384 }
1385 }
1386
1387 if (need_entry & NEED_PLT)
1388 {
1389 /* If we are creating a shared library, and this is a reloc
1390 against a weak symbol or a global symbol in a dynamic
1391 object, then we will be creating an import stub and a
1392 .plt entry for the symbol. Similarly, on a normal link
1393 to symbols defined in a dynamic object we'll need the
1394 import stub and a .plt entry. We don't know yet whether
1395 the symbol is defined or not, so make an entry anyway and
1396 clean up later in adjust_dynamic_symbol. */
1397 if ((sec->flags & SEC_ALLOC) != 0)
1398 {
875c0872 1399 if (hh != NULL)
30667bf3 1400 {
a63e02c7
DA
1401 hh->eh.needs_plt = 1;
1402 hh->eh.plt.refcount += 1;
74d1c347 1403
36605136
AM
1404 /* If this .plt entry is for a plabel, mark it so
1405 that adjust_dynamic_symbol will keep the entry
1406 even if it appears to be local. */
74d1c347 1407 if (need_entry & PLT_PLABEL)
875c0872 1408 hh->plabel = 1;
74d1c347
AM
1409 }
1410 else if (need_entry & PLT_PLABEL)
1411 {
3ac8354b 1412 bfd_signed_vma *local_got_refcounts;
68fb2e56 1413 bfd_signed_vma *local_plt_refcounts;
74d1c347 1414
d45b7d74 1415 local_got_refcounts = hppa32_elf_local_refcounts (abfd);
74d1c347 1416 if (local_got_refcounts == NULL)
d45b7d74 1417 return FALSE;
68fb2e56
AM
1418 local_plt_refcounts = (local_got_refcounts
1419 + symtab_hdr->sh_info);
ebe50bae 1420 local_plt_refcounts[r_symndx] += 1;
30667bf3 1421 }
30667bf3
AM
1422 }
1423 }
1424
98ceb8ce 1425 if (need_entry & NEED_DYNREL)
30667bf3
AM
1426 {
1427 /* Flag this symbol as having a non-got, non-plt reference
1428 so that we generate copy relocs if it turns out to be
1429 dynamic. */
0e1862bb 1430 if (hh != NULL && !bfd_link_pic (info))
a63e02c7 1431 hh->eh.non_got_ref = 1;
30667bf3
AM
1432
1433 /* If we are creating a shared library then we need to copy
1434 the reloc into the shared library. However, if we are
1435 linking with -Bsymbolic, we need only copy absolute
1436 relocs or relocs against symbols that are not defined in
1437 an object we are including in the link. PC- or DP- or
1438 DLT-relative relocs against any local sym or global sym
1439 with DEF_REGULAR set, can be discarded. At this point we
1440 have not seen all the input files, so it is possible that
1441 DEF_REGULAR is not set now but will be set later (it is
1442 never cleared). We account for that possibility below by
98ceb8ce 1443 storing information in the dyn_relocs field of the
30667bf3
AM
1444 hash table entry.
1445
1446 A similar situation to the -Bsymbolic case occurs when
1447 creating shared libraries and symbol visibility changes
1448 render the symbol local.
1449
1450 As it turns out, all the relocs we will be creating here
1451 are absolute, so we cannot remove them on -Bsymbolic
1452 links or visibility changes anyway. A STUB_REL reloc
1453 is absolute too, as in that case it is the reloc in the
1454 stub we will be creating, rather than copying the PCREL
56882138
AM
1455 reloc in the branch.
1456
1457 If on the other hand, we are creating an executable, we
1458 may need to keep relocations for symbols satisfied by a
1459 dynamic library if we manage to avoid copy relocs for the
1460 symbol. */
0e1862bb 1461 if ((bfd_link_pic (info)
446f2863
AM
1462 && (sec->flags & SEC_ALLOC) != 0
1463 && (IS_ABSOLUTE_RELOC (r_type)
875c0872 1464 || (hh != NULL
a496fbc8 1465 && (!SYMBOLIC_BIND (info, &hh->eh)
a63e02c7
DA
1466 || hh->eh.root.type == bfd_link_hash_defweak
1467 || !hh->eh.def_regular))))
4fc8051d 1468 || (ELIMINATE_COPY_RELOCS
0e1862bb 1469 && !bfd_link_pic (info)
446f2863 1470 && (sec->flags & SEC_ALLOC) != 0
875c0872 1471 && hh != NULL
a63e02c7
DA
1472 && (hh->eh.root.type == bfd_link_hash_defweak
1473 || !hh->eh.def_regular)))
30667bf3 1474 {
875c0872
DA
1475 struct elf32_hppa_dyn_reloc_entry *hdh_p;
1476 struct elf32_hppa_dyn_reloc_entry **hdh_head;
ec338859 1477
30667bf3
AM
1478 /* Create a reloc section in dynobj and make room for
1479 this reloc. */
98ceb8ce 1480 if (sreloc == NULL)
30667bf3 1481 {
83bac4b0
NC
1482 sreloc = _bfd_elf_make_dynamic_reloc_section
1483 (sec, htab->etab.dynobj, 2, abfd, /*rela?*/ TRUE);
1484
98ceb8ce 1485 if (sreloc == NULL)
30667bf3 1486 {
83bac4b0
NC
1487 bfd_set_error (bfd_error_bad_value);
1488 return FALSE;
30667bf3 1489 }
30667bf3
AM
1490 }
1491
98ceb8ce
AM
1492 /* If this is a global symbol, we count the number of
1493 relocations we need for this symbol. */
875c0872 1494 if (hh != NULL)
30667bf3 1495 {
875c0872 1496 hdh_head = &hh->dyn_relocs;
ec338859
AM
1497 }
1498 else
1499 {
1500 /* Track dynamic relocs needed for local syms too.
1501 We really need local syms available to do this
1502 easily. Oh well. */
875c0872 1503 asection *sr;
6edfbbad 1504 void *vpp;
87d72d41 1505 Elf_Internal_Sym *isym;
6edfbbad 1506
87d72d41
AM
1507 isym = bfd_sym_from_r_symndx (&htab->sym_cache,
1508 abfd, r_symndx);
1509 if (isym == NULL)
b34976b6 1510 return FALSE;
30667bf3 1511
87d72d41
AM
1512 sr = bfd_section_from_elf_index (abfd, isym->st_shndx);
1513 if (sr == NULL)
1514 sr = sec;
1515
6edfbbad
DJ
1516 vpp = &elf_section_data (sr)->local_dynrel;
1517 hdh_head = (struct elf32_hppa_dyn_reloc_entry **) vpp;
ec338859
AM
1518 }
1519
875c0872
DA
1520 hdh_p = *hdh_head;
1521 if (hdh_p == NULL || hdh_p->sec != sec)
ec338859 1522 {
a63e02c7 1523 hdh_p = bfd_alloc (htab->etab.dynobj, sizeof *hdh_p);
875c0872 1524 if (hdh_p == NULL)
b34976b6 1525 return FALSE;
a63e02c7 1526 hdh_p->hdh_next = *hdh_head;
875c0872
DA
1527 *hdh_head = hdh_p;
1528 hdh_p->sec = sec;
1529 hdh_p->count = 0;
98ceb8ce 1530#if RELATIVE_DYNRELOCS
875c0872 1531 hdh_p->relative_count = 0;
98ceb8ce 1532#endif
ec338859 1533 }
98ceb8ce 1534
875c0872 1535 hdh_p->count += 1;
98ceb8ce 1536#if RELATIVE_DYNRELOCS
ec338859 1537 if (!IS_ABSOLUTE_RELOC (rtype))
875c0872 1538 hdh_p->relative_count += 1;
98ceb8ce 1539#endif
30667bf3
AM
1540 }
1541 }
1542 }
edd21aca 1543
b34976b6 1544 return TRUE;
edd21aca
AM
1545}
1546
30667bf3
AM
1547/* Return the section that should be marked against garbage collection
1548 for a given relocation. */
1549
1550static asection *
c39a58e6 1551elf32_hppa_gc_mark_hook (asection *sec,
07adf181 1552 struct bfd_link_info *info,
875c0872
DA
1553 Elf_Internal_Rela *rela,
1554 struct elf_link_hash_entry *hh,
c39a58e6 1555 Elf_Internal_Sym *sym)
30667bf3 1556{
875c0872 1557 if (hh != NULL)
07adf181
AM
1558 switch ((unsigned int) ELF32_R_TYPE (rela->r_info))
1559 {
1560 case R_PARISC_GNU_VTINHERIT:
1561 case R_PARISC_GNU_VTENTRY:
1562 return NULL;
1563 }
30667bf3 1564
07adf181 1565 return _bfd_elf_gc_mark_hook (sec, info, rela, hh, sym);
30667bf3
AM
1566}
1567
30667bf3
AM
1568/* Update the got and plt entry reference counts for the section being
1569 removed. */
edd21aca 1570
b34976b6 1571static bfd_boolean
c39a58e6
AM
1572elf32_hppa_gc_sweep_hook (bfd *abfd,
1573 struct bfd_link_info *info ATTRIBUTE_UNUSED,
1574 asection *sec,
1575 const Elf_Internal_Rela *relocs)
edd21aca 1576{
30667bf3 1577 Elf_Internal_Shdr *symtab_hdr;
875c0872 1578 struct elf_link_hash_entry **eh_syms;
30667bf3 1579 bfd_signed_vma *local_got_refcounts;
74d1c347 1580 bfd_signed_vma *local_plt_refcounts;
875c0872 1581 const Elf_Internal_Rela *rela, *relend;
4dfe6ac6 1582 struct elf32_hppa_link_hash_table *htab;
30667bf3 1583
0e1862bb 1584 if (bfd_link_relocatable (info))
7dda2462
TG
1585 return TRUE;
1586
4dfe6ac6
NC
1587 htab = hppa_link_hash_table (info);
1588 if (htab == NULL)
1589 return FALSE;
1590
ec338859 1591 elf_section_data (sec)->local_dynrel = NULL;
98ceb8ce 1592
30667bf3 1593 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
875c0872 1594 eh_syms = elf_sym_hashes (abfd);
30667bf3 1595 local_got_refcounts = elf_local_got_refcounts (abfd);
74d1c347
AM
1596 local_plt_refcounts = local_got_refcounts;
1597 if (local_plt_refcounts != NULL)
1598 local_plt_refcounts += symtab_hdr->sh_info;
30667bf3 1599
30667bf3 1600 relend = relocs + sec->reloc_count;
875c0872 1601 for (rela = relocs; rela < relend; rela++)
26e41594
AM
1602 {
1603 unsigned long r_symndx;
1604 unsigned int r_type;
875c0872 1605 struct elf_link_hash_entry *eh = NULL;
26e41594 1606
875c0872 1607 r_symndx = ELF32_R_SYM (rela->r_info);
26e41594
AM
1608 if (r_symndx >= symtab_hdr->sh_info)
1609 {
875c0872
DA
1610 struct elf32_hppa_link_hash_entry *hh;
1611 struct elf32_hppa_dyn_reloc_entry **hdh_pp;
1612 struct elf32_hppa_dyn_reloc_entry *hdh_p;
26e41594 1613
875c0872
DA
1614 eh = eh_syms[r_symndx - symtab_hdr->sh_info];
1615 while (eh->root.type == bfd_link_hash_indirect
1616 || eh->root.type == bfd_link_hash_warning)
1617 eh = (struct elf_link_hash_entry *) eh->root.u.i.link;
1618 hh = hppa_elf_hash_entry (eh);
26e41594 1619
a63e02c7 1620 for (hdh_pp = &hh->dyn_relocs; (hdh_p = *hdh_pp) != NULL; hdh_pp = &hdh_p->hdh_next)
875c0872 1621 if (hdh_p->sec == sec)
26e41594
AM
1622 {
1623 /* Everything must go for SEC. */
a63e02c7 1624 *hdh_pp = hdh_p->hdh_next;
26e41594
AM
1625 break;
1626 }
1627 }
1628
875c0872 1629 r_type = ELF32_R_TYPE (rela->r_info);
9b52905e
NC
1630 r_type = elf32_hppa_optimized_tls_reloc (info, r_type, eh != NULL);
1631
26e41594
AM
1632 switch (r_type)
1633 {
1634 case R_PARISC_DLTIND14F:
1635 case R_PARISC_DLTIND14R:
1636 case R_PARISC_DLTIND21L:
9b52905e
NC
1637 case R_PARISC_TLS_GD21L:
1638 case R_PARISC_TLS_GD14R:
1639 case R_PARISC_TLS_IE21L:
1640 case R_PARISC_TLS_IE14R:
875c0872 1641 if (eh != NULL)
26e41594 1642 {
875c0872
DA
1643 if (eh->got.refcount > 0)
1644 eh->got.refcount -= 1;
26e41594
AM
1645 }
1646 else if (local_got_refcounts != NULL)
1647 {
1648 if (local_got_refcounts[r_symndx] > 0)
1649 local_got_refcounts[r_symndx] -= 1;
1650 }
1651 break;
98ceb8ce 1652
9b52905e
NC
1653 case R_PARISC_TLS_LDM21L:
1654 case R_PARISC_TLS_LDM14R:
4dfe6ac6 1655 htab->tls_ldm_got.refcount -= 1;
9b52905e
NC
1656 break;
1657
26e41594
AM
1658 case R_PARISC_PCREL12F:
1659 case R_PARISC_PCREL17C:
1660 case R_PARISC_PCREL17F:
1661 case R_PARISC_PCREL22F:
875c0872 1662 if (eh != NULL)
26e41594 1663 {
875c0872
DA
1664 if (eh->plt.refcount > 0)
1665 eh->plt.refcount -= 1;
26e41594
AM
1666 }
1667 break;
1668
1669 case R_PARISC_PLABEL14R:
1670 case R_PARISC_PLABEL21L:
1671 case R_PARISC_PLABEL32:
875c0872 1672 if (eh != NULL)
26e41594 1673 {
875c0872
DA
1674 if (eh->plt.refcount > 0)
1675 eh->plt.refcount -= 1;
26e41594
AM
1676 }
1677 else if (local_plt_refcounts != NULL)
1678 {
1679 if (local_plt_refcounts[r_symndx] > 0)
1680 local_plt_refcounts[r_symndx] -= 1;
1681 }
1682 break;
1683
1684 default:
1685 break;
1686 }
1687 }
252b5132 1688
b34976b6 1689 return TRUE;
252b5132
RH
1690}
1691
edfc032f
AM
1692/* Support for core dump NOTE sections. */
1693
1694static bfd_boolean
1695elf32_hppa_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
1696{
1697 int offset;
1698 size_t size;
1699
1700 switch (note->descsz)
1701 {
1702 default:
1703 return FALSE;
1704
1705 case 396: /* Linux/hppa */
1706 /* pr_cursig */
228e534f 1707 elf_tdata (abfd)->core->signal = bfd_get_16 (abfd, note->descdata + 12);
edfc032f
AM
1708
1709 /* pr_pid */
228e534f 1710 elf_tdata (abfd)->core->lwpid = bfd_get_32 (abfd, note->descdata + 24);
edfc032f
AM
1711
1712 /* pr_reg */
1713 offset = 72;
1714 size = 320;
1715
1716 break;
1717 }
1718
1719 /* Make a ".reg/999" section. */
1720 return _bfd_elfcore_make_pseudosection (abfd, ".reg",
1721 size, note->descpos + offset);
1722}
1723
1724static bfd_boolean
1725elf32_hppa_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
1726{
1727 switch (note->descsz)
1728 {
1729 default:
1730 return FALSE;
1731
1732 case 124: /* Linux/hppa elf_prpsinfo. */
228e534f 1733 elf_tdata (abfd)->core->program
edfc032f 1734 = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
228e534f 1735 elf_tdata (abfd)->core->command
edfc032f
AM
1736 = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
1737 }
1738
1739 /* Note that for some reason, a spurious space is tacked
1740 onto the end of the args in some (at least one anyway)
1741 implementations, so strip it off if it exists. */
1742 {
228e534f 1743 char *command = elf_tdata (abfd)->core->command;
edfc032f
AM
1744 int n = strlen (command);
1745
1746 if (0 < n && command[n - 1] == ' ')
1747 command[n - 1] = '\0';
1748 }
1749
1750 return TRUE;
1751}
1752
74d1c347
AM
1753/* Our own version of hide_symbol, so that we can keep plt entries for
1754 plabels. */
1755
1756static void
c39a58e6 1757elf32_hppa_hide_symbol (struct bfd_link_info *info,
875c0872 1758 struct elf_link_hash_entry *eh,
c39a58e6 1759 bfd_boolean force_local)
74d1c347 1760{
e5094212
AM
1761 if (force_local)
1762 {
875c0872
DA
1763 eh->forced_local = 1;
1764 if (eh->dynindx != -1)
e5094212 1765 {
875c0872 1766 eh->dynindx = -1;
e5094212 1767 _bfd_elf_strtab_delref (elf_hash_table (info)->dynstr,
875c0872 1768 eh->dynstr_index);
e5094212 1769 }
31fc8a0b
NC
1770
1771 /* PR 16082: Remove version information from hidden symbol. */
1772 eh->verinfo.verdef = NULL;
1773 eh->verinfo.vertree = NULL;
e5094212
AM
1774 }
1775
4340287b
DA
1776 /* STT_GNU_IFUNC symbol must go through PLT. */
1777 if (! hppa_elf_hash_entry (eh)->plabel
1778 && eh->type != STT_GNU_IFUNC)
74d1c347 1779 {
875c0872 1780 eh->needs_plt = 0;
4340287b 1781 eh->plt = elf_hash_table (info)->init_plt_offset;
74d1c347
AM
1782 }
1783}
1784
30667bf3
AM
1785/* Adjust a symbol defined by a dynamic object and referenced by a
1786 regular object. The current definition is in some section of the
1787 dynamic object, but we're not including those sections. We have to
1788 change the definition to something the rest of the link can
1789 understand. */
252b5132 1790
b34976b6 1791static bfd_boolean
c39a58e6 1792elf32_hppa_adjust_dynamic_symbol (struct bfd_link_info *info,
875c0872 1793 struct elf_link_hash_entry *eh)
252b5132 1794{
83c81bfe 1795 struct elf32_hppa_link_hash_table *htab;
5474d94f 1796 asection *sec, *srel;
30667bf3
AM
1797
1798 /* If this is a function, put it in the procedure linkage table. We
067fa4a6 1799 will fill in the contents of the procedure linkage table later. */
875c0872
DA
1800 if (eh->type == STT_FUNC
1801 || eh->needs_plt)
30667bf3 1802 {
4340287b
DA
1803 /* If the symbol is used by a plabel, we must allocate a PLT slot.
1804 The refcounts are not reliable when it has been hidden since
1805 hide_symbol can be called before the plabel flag is set. */
1806 if (hppa_elf_hash_entry (eh)->plabel
1807 && eh->plt.refcount <= 0)
1808 eh->plt.refcount = 1;
1809
875c0872
DA
1810 if (eh->plt.refcount <= 0
1811 || (eh->def_regular
1812 && eh->root.type != bfd_link_hash_defweak
1813 && ! hppa_elf_hash_entry (eh)->plabel
0e1862bb 1814 && (!bfd_link_pic (info) || SYMBOLIC_BIND (info, eh))))
30667bf3
AM
1815 {
1816 /* The .plt entry is not needed when:
1817 a) Garbage collection has removed all references to the
1818 symbol, or
1819 b) We know for certain the symbol is defined in this
74d1c347
AM
1820 object, and it's not a weak definition, nor is the symbol
1821 used by a plabel relocation. Either this object is the
1822 application or we are doing a shared symbolic link. */
1823
875c0872
DA
1824 eh->plt.offset = (bfd_vma) -1;
1825 eh->needs_plt = 0;
30667bf3 1826 }
4dc86686 1827
b34976b6 1828 return TRUE;
30667bf3 1829 }
bbd7ec4a 1830 else
875c0872 1831 eh->plt.offset = (bfd_vma) -1;
edd21aca 1832
30667bf3
AM
1833 /* If this is a weak symbol, and there is a real definition, the
1834 processor independent code will have arranged for us to see the
1835 real definition first, and we can just use the same value. */
875c0872 1836 if (eh->u.weakdef != NULL)
edd21aca 1837 {
875c0872
DA
1838 if (eh->u.weakdef->root.type != bfd_link_hash_defined
1839 && eh->u.weakdef->root.type != bfd_link_hash_defweak)
49e9d0d3 1840 abort ();
875c0872
DA
1841 eh->root.u.def.section = eh->u.weakdef->root.u.def.section;
1842 eh->root.u.def.value = eh->u.weakdef->root.u.def.value;
4fc8051d 1843 if (ELIMINATE_COPY_RELOCS)
875c0872 1844 eh->non_got_ref = eh->u.weakdef->non_got_ref;
b34976b6 1845 return TRUE;
30667bf3 1846 }
edd21aca 1847
30667bf3
AM
1848 /* This is a reference to a symbol defined by a dynamic object which
1849 is not a function. */
1850
1851 /* If we are creating a shared library, we must presume that the
1852 only references to the symbol are via the global offset table.
1853 For such cases we need not do anything here; the relocations will
1854 be handled correctly by relocate_section. */
0e1862bb 1855 if (bfd_link_pic (info))
b34976b6 1856 return TRUE;
30667bf3
AM
1857
1858 /* If there are no references to this symbol that do not use the
1859 GOT, we don't need to generate a copy reloc. */
875c0872 1860 if (!eh->non_got_ref)
b34976b6 1861 return TRUE;
30667bf3 1862
4fc8051d 1863 if (ELIMINATE_COPY_RELOCS)
ebe50bae 1864 {
875c0872
DA
1865 struct elf32_hppa_link_hash_entry *hh;
1866 struct elf32_hppa_dyn_reloc_entry *hdh_p;
ebe50bae 1867
875c0872 1868 hh = hppa_elf_hash_entry (eh);
a63e02c7 1869 for (hdh_p = hh->dyn_relocs; hdh_p != NULL; hdh_p = hdh_p->hdh_next)
4fc8051d 1870 {
875c0872
DA
1871 sec = hdh_p->sec->output_section;
1872 if (sec != NULL && (sec->flags & SEC_READONLY) != 0)
4fc8051d
AM
1873 break;
1874 }
1875
1876 /* If we didn't find any dynamic relocs in read-only sections, then
1877 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
875c0872 1878 if (hdh_p == NULL)
4fc8051d 1879 {
875c0872 1880 eh->non_got_ref = 0;
4fc8051d
AM
1881 return TRUE;
1882 }
ebe50bae
AM
1883 }
1884
30667bf3
AM
1885 /* We must allocate the symbol in our .dynbss section, which will
1886 become part of the .bss section of the executable. There will be
1887 an entry for this symbol in the .dynsym section. The dynamic
1888 object will contain position independent code, so all references
1889 from the dynamic object to this symbol will go through the global
1890 offset table. The dynamic linker will use the .dynsym entry to
1891 determine the address it must put in the global offset table, so
1892 both the dynamic object and the regular object will refer to the
1893 same memory location for the variable. */
1894
3ac8354b 1895 htab = hppa_link_hash_table (info);
4dfe6ac6
NC
1896 if (htab == NULL)
1897 return FALSE;
30667bf3
AM
1898
1899 /* We must generate a COPY reloc to tell the dynamic linker to
1900 copy the initial value out of the dynamic object and into the
3ac8354b 1901 runtime process image. */
5474d94f
AM
1902 if ((eh->root.u.def.section->flags & SEC_READONLY) != 0)
1903 {
1904 sec = htab->etab.sdynrelro;
1905 srel = htab->etab.sreldynrelro;
1906 }
1907 else
1908 {
1909 sec = htab->etab.sdynbss;
1910 srel = htab->etab.srelbss;
1911 }
1d7e9d18 1912 if ((eh->root.u.def.section->flags & SEC_ALLOC) != 0 && eh->size != 0)
30667bf3 1913 {
5474d94f 1914 srel->size += sizeof (Elf32_External_Rela);
875c0872 1915 eh->needs_copy = 1;
edd21aca 1916 }
252b5132 1917
6cabe1ea 1918 return _bfd_elf_adjust_dynamic_copy (info, eh, sec);
252b5132
RH
1919}
1920
e5ee5df1 1921/* Allocate space in the .plt for entries that won't have relocations.
a252afa4 1922 ie. plabel entries. */
a8d02d66 1923
b34976b6 1924static bfd_boolean
875c0872 1925allocate_plt_static (struct elf_link_hash_entry *eh, void *inf)
a8d02d66
AM
1926{
1927 struct bfd_link_info *info;
1928 struct elf32_hppa_link_hash_table *htab;
875c0872
DA
1929 struct elf32_hppa_link_hash_entry *hh;
1930 asection *sec;
a8d02d66 1931
875c0872 1932 if (eh->root.type == bfd_link_hash_indirect)
b34976b6 1933 return TRUE;
a8d02d66 1934
875c0872 1935 info = (struct bfd_link_info *) inf;
9b52905e 1936 hh = hppa_elf_hash_entry (eh);
a8d02d66 1937 htab = hppa_link_hash_table (info);
4dfe6ac6
NC
1938 if (htab == NULL)
1939 return FALSE;
1940
a63e02c7 1941 if (htab->etab.dynamic_sections_created
875c0872 1942 && eh->plt.refcount > 0)
e5ee5df1
AM
1943 {
1944 /* Make sure this symbol is output as a dynamic symbol.
1945 Undefined weak syms won't yet be marked as dynamic. */
875c0872
DA
1946 if (eh->dynindx == -1
1947 && !eh->forced_local
1948 && eh->type != STT_PARISC_MILLI)
a8d02d66 1949 {
875c0872 1950 if (! bfd_elf_link_record_dynamic_symbol (info, eh))
b34976b6 1951 return FALSE;
e5ee5df1
AM
1952 }
1953
0e1862bb 1954 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), eh))
e5ee5df1 1955 {
067fa4a6
AM
1956 /* Allocate these later. From this point on, h->plabel
1957 means that the plt entry is only used by a plabel.
1958 We'll be using a normal plt entry for this symbol, so
1959 clear the plabel indicator. */
68ffbac6 1960
875c0872 1961 hh->plabel = 0;
e5ee5df1 1962 }
875c0872 1963 else if (hh->plabel)
e5ee5df1
AM
1964 {
1965 /* Make an entry in the .plt section for plabel references
1966 that won't have a .plt entry for other reasons. */
ce558b89 1967 sec = htab->etab.splt;
875c0872
DA
1968 eh->plt.offset = sec->size;
1969 sec->size += PLT_ENTRY_SIZE;
a8d02d66
AM
1970 }
1971 else
e5ee5df1
AM
1972 {
1973 /* No .plt entry needed. */
875c0872
DA
1974 eh->plt.offset = (bfd_vma) -1;
1975 eh->needs_plt = 0;
e5ee5df1
AM
1976 }
1977 }
1978 else
1979 {
875c0872
DA
1980 eh->plt.offset = (bfd_vma) -1;
1981 eh->needs_plt = 0;
a8d02d66
AM
1982 }
1983
b34976b6 1984 return TRUE;
a8d02d66
AM
1985}
1986
4dc86686
AM
1987/* Allocate space in .plt, .got and associated reloc sections for
1988 global syms. */
1989
b34976b6 1990static bfd_boolean
875c0872 1991allocate_dynrelocs (struct elf_link_hash_entry *eh, void *inf)
4dc86686
AM
1992{
1993 struct bfd_link_info *info;
83c81bfe 1994 struct elf32_hppa_link_hash_table *htab;
875c0872
DA
1995 asection *sec;
1996 struct elf32_hppa_link_hash_entry *hh;
1997 struct elf32_hppa_dyn_reloc_entry *hdh_p;
4dc86686 1998
875c0872 1999 if (eh->root.type == bfd_link_hash_indirect)
b34976b6 2000 return TRUE;
73a74a62 2001
c39a58e6 2002 info = inf;
83c81bfe 2003 htab = hppa_link_hash_table (info);
4dfe6ac6
NC
2004 if (htab == NULL)
2005 return FALSE;
2006
875c0872 2007 hh = hppa_elf_hash_entry (eh);
68ffbac6 2008
a63e02c7 2009 if (htab->etab.dynamic_sections_created
875c0872
DA
2010 && eh->plt.offset != (bfd_vma) -1
2011 && !hh->plabel
2012 && eh->plt.refcount > 0)
4dc86686 2013 {
e5ee5df1 2014 /* Make an entry in the .plt section. */
ce558b89 2015 sec = htab->etab.splt;
875c0872
DA
2016 eh->plt.offset = sec->size;
2017 sec->size += PLT_ENTRY_SIZE;
3ac8354b 2018
e5ee5df1 2019 /* We also need to make an entry in the .rela.plt section. */
ce558b89 2020 htab->etab.srelplt->size += sizeof (Elf32_External_Rela);
e5ee5df1 2021 htab->need_plt_stub = 1;
4dc86686 2022 }
edd21aca 2023
875c0872 2024 if (eh->got.refcount > 0)
4dc86686 2025 {
446f2863
AM
2026 /* Make sure this symbol is output as a dynamic symbol.
2027 Undefined weak syms won't yet be marked as dynamic. */
875c0872
DA
2028 if (eh->dynindx == -1
2029 && !eh->forced_local
2030 && eh->type != STT_PARISC_MILLI)
446f2863 2031 {
875c0872 2032 if (! bfd_elf_link_record_dynamic_symbol (info, eh))
b34976b6 2033 return FALSE;
446f2863
AM
2034 }
2035
ce558b89 2036 sec = htab->etab.sgot;
875c0872
DA
2037 eh->got.offset = sec->size;
2038 sec->size += GOT_ENTRY_SIZE;
9b52905e
NC
2039 /* R_PARISC_TLS_GD* needs two GOT entries */
2040 if ((hh->tls_type & (GOT_TLS_GD | GOT_TLS_IE)) == (GOT_TLS_GD | GOT_TLS_IE))
2041 sec->size += GOT_ENTRY_SIZE * 2;
2042 else if ((hh->tls_type & GOT_TLS_GD) == GOT_TLS_GD)
2043 sec->size += GOT_ENTRY_SIZE;
a63e02c7 2044 if (htab->etab.dynamic_sections_created
0e1862bb 2045 && (bfd_link_pic (info)
875c0872
DA
2046 || (eh->dynindx != -1
2047 && !eh->forced_local)))
ce757d15 2048 {
ce558b89 2049 htab->etab.srelgot->size += sizeof (Elf32_External_Rela);
9b52905e 2050 if ((hh->tls_type & (GOT_TLS_GD | GOT_TLS_IE)) == (GOT_TLS_GD | GOT_TLS_IE))
ce558b89 2051 htab->etab.srelgot->size += 2 * sizeof (Elf32_External_Rela);
9b52905e 2052 else if ((hh->tls_type & GOT_TLS_GD) == GOT_TLS_GD)
ce558b89 2053 htab->etab.srelgot->size += sizeof (Elf32_External_Rela);
ce757d15 2054 }
4dc86686
AM
2055 }
2056 else
875c0872 2057 eh->got.offset = (bfd_vma) -1;
30667bf3 2058
875c0872 2059 if (hh->dyn_relocs == NULL)
b34976b6 2060 return TRUE;
30667bf3 2061
98ceb8ce
AM
2062 /* If this is a -Bsymbolic shared link, then we need to discard all
2063 space allocated for dynamic pc-relative relocs against symbols
2064 defined in a regular object. For the normal shared case, discard
2065 space for relocs that have become local due to symbol visibility
2066 changes. */
0e1862bb 2067 if (bfd_link_pic (info))
446f2863 2068 {
98ceb8ce 2069#if RELATIVE_DYNRELOCS
875c0872 2070 if (SYMBOL_CALLS_LOCAL (info, eh))
446f2863 2071 {
875c0872 2072 struct elf32_hppa_dyn_reloc_entry **hdh_pp;
30667bf3 2073
875c0872 2074 for (hdh_pp = &hh->dyn_relocs; (hdh_p = *hdh_pp) != NULL; )
98ceb8ce 2075 {
875c0872
DA
2076 hdh_p->count -= hdh_p->relative_count;
2077 hdh_p->relative_count = 0;
2078 if (hdh_p->count == 0)
a63e02c7 2079 *hdh_pp = hdh_p->hdh_next;
98ceb8ce 2080 else
a63e02c7 2081 hdh_pp = &hdh_p->hdh_next;
98ceb8ce
AM
2082 }
2083 }
2084#endif
4fc8051d
AM
2085
2086 /* Also discard relocs on undefined weak syms with non-default
2087 visibility. */
22d606e9 2088 if (hh->dyn_relocs != NULL
875c0872 2089 && eh->root.type == bfd_link_hash_undefweak)
22d606e9
AM
2090 {
2091 if (ELF_ST_VISIBILITY (eh->other) != STV_DEFAULT)
2092 hh->dyn_relocs = NULL;
2093
2094 /* Make sure undefined weak symbols are output as a dynamic
2095 symbol in PIEs. */
2096 else if (eh->dynindx == -1
2097 && !eh->forced_local)
2098 {
2099 if (! bfd_elf_link_record_dynamic_symbol (info, eh))
2100 return FALSE;
2101 }
2102 }
446f2863 2103 }
98ceb8ce 2104 else
30667bf3 2105 {
98ceb8ce
AM
2106 /* For the non-shared case, discard space for relocs against
2107 symbols which turn out to need copy relocs or are not
2108 dynamic. */
68ffbac6 2109
875c0872 2110 if (!eh->non_got_ref
4fc8051d 2111 && ((ELIMINATE_COPY_RELOCS
875c0872
DA
2112 && eh->def_dynamic
2113 && !eh->def_regular)
a63e02c7 2114 || (htab->etab.dynamic_sections_created
875c0872
DA
2115 && (eh->root.type == bfd_link_hash_undefweak
2116 || eh->root.type == bfd_link_hash_undefined))))
98ceb8ce
AM
2117 {
2118 /* Make sure this symbol is output as a dynamic symbol.
2119 Undefined weak syms won't yet be marked as dynamic. */
875c0872
DA
2120 if (eh->dynindx == -1
2121 && !eh->forced_local
2122 && eh->type != STT_PARISC_MILLI)
98ceb8ce 2123 {
875c0872 2124 if (! bfd_elf_link_record_dynamic_symbol (info, eh))
b34976b6 2125 return FALSE;
98ceb8ce
AM
2126 }
2127
2128 /* If that succeeded, we know we'll be keeping all the
2129 relocs. */
875c0872 2130 if (eh->dynindx != -1)
98ceb8ce
AM
2131 goto keep;
2132 }
446f2863 2133
875c0872 2134 hh->dyn_relocs = NULL;
b34976b6 2135 return TRUE;
98ceb8ce 2136
ec338859 2137 keep: ;
30667bf3 2138 }
30667bf3 2139
98ceb8ce 2140 /* Finally, allocate space. */
a63e02c7 2141 for (hdh_p = hh->dyn_relocs; hdh_p != NULL; hdh_p = hdh_p->hdh_next)
30667bf3 2142 {
875c0872
DA
2143 asection *sreloc = elf_section_data (hdh_p->sec)->sreloc;
2144 sreloc->size += hdh_p->count * sizeof (Elf32_External_Rela);
30667bf3 2145 }
30667bf3 2146
b34976b6 2147 return TRUE;
30667bf3 2148}
30667bf3 2149
d5c73c2f
AM
2150/* This function is called via elf_link_hash_traverse to force
2151 millicode symbols local so they do not end up as globals in the
2152 dynamic symbol table. We ought to be able to do this in
2153 adjust_dynamic_symbol, but our adjust_dynamic_symbol is not called
2154 for all dynamic symbols. Arguably, this is a bug in
2155 elf_adjust_dynamic_symbol. */
2156
b34976b6 2157static bfd_boolean
875c0872 2158clobber_millicode_symbols (struct elf_link_hash_entry *eh,
c39a58e6 2159 struct bfd_link_info *info)
d5c73c2f 2160{
875c0872
DA
2161 if (eh->type == STT_PARISC_MILLI
2162 && !eh->forced_local)
e0522e89 2163 {
875c0872 2164 elf32_hppa_hide_symbol (info, eh, TRUE);
e0522e89 2165 }
b34976b6 2166 return TRUE;
d5c73c2f
AM
2167}
2168
98ceb8ce
AM
2169/* Find any dynamic relocs that apply to read-only sections. */
2170
b34976b6 2171static bfd_boolean
875c0872 2172readonly_dynrelocs (struct elf_link_hash_entry *eh, void *inf)
98ceb8ce 2173{
875c0872
DA
2174 struct elf32_hppa_link_hash_entry *hh;
2175 struct elf32_hppa_dyn_reloc_entry *hdh_p;
98ceb8ce 2176
875c0872 2177 hh = hppa_elf_hash_entry (eh);
a63e02c7 2178 for (hdh_p = hh->dyn_relocs; hdh_p != NULL; hdh_p = hdh_p->hdh_next)
98ceb8ce 2179 {
875c0872 2180 asection *sec = hdh_p->sec->output_section;
98ceb8ce 2181
875c0872 2182 if (sec != NULL && (sec->flags & SEC_READONLY) != 0)
98ceb8ce 2183 {
c39a58e6 2184 struct bfd_link_info *info = inf;
98ceb8ce
AM
2185
2186 info->flags |= DF_TEXTREL;
2187
2188 /* Not an error, just cut short the traversal. */
b34976b6 2189 return FALSE;
98ceb8ce
AM
2190 }
2191 }
b34976b6 2192 return TRUE;
98ceb8ce
AM
2193}
2194
30667bf3
AM
2195/* Set the sizes of the dynamic sections. */
2196
b34976b6 2197static bfd_boolean
c39a58e6
AM
2198elf32_hppa_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
2199 struct bfd_link_info *info)
30667bf3 2200{
83c81bfe 2201 struct elf32_hppa_link_hash_table *htab;
30667bf3 2202 bfd *dynobj;
98ceb8ce 2203 bfd *ibfd;
875c0872 2204 asection *sec;
b34976b6 2205 bfd_boolean relocs;
30667bf3 2206
83c81bfe 2207 htab = hppa_link_hash_table (info);
4dfe6ac6
NC
2208 if (htab == NULL)
2209 return FALSE;
2210
a63e02c7 2211 dynobj = htab->etab.dynobj;
49e9d0d3
AM
2212 if (dynobj == NULL)
2213 abort ();
30667bf3 2214
a63e02c7 2215 if (htab->etab.dynamic_sections_created)
30667bf3
AM
2216 {
2217 /* Set the contents of the .interp section to the interpreter. */
9b8b325a 2218 if (bfd_link_executable (info) && !info->nointerp)
30667bf3 2219 {
3d4d4302 2220 sec = bfd_get_linker_section (dynobj, ".interp");
875c0872 2221 if (sec == NULL)
49e9d0d3 2222 abort ();
875c0872
DA
2223 sec->size = sizeof ELF_DYNAMIC_INTERPRETER;
2224 sec->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
30667bf3 2225 }
74d1c347 2226
d5c73c2f 2227 /* Force millicode symbols local. */
a63e02c7 2228 elf_link_hash_traverse (&htab->etab,
d5c73c2f
AM
2229 clobber_millicode_symbols,
2230 info);
68fb2e56 2231 }
d5c73c2f 2232
98ceb8ce
AM
2233 /* Set up .got and .plt offsets for local syms, and space for local
2234 dynamic relocs. */
c72f2fb2 2235 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
68fb2e56
AM
2236 {
2237 bfd_signed_vma *local_got;
2238 bfd_signed_vma *end_local_got;
2239 bfd_signed_vma *local_plt;
2240 bfd_signed_vma *end_local_plt;
2241 bfd_size_type locsymcount;
2242 Elf_Internal_Shdr *symtab_hdr;
2243 asection *srel;
9b52905e 2244 char *local_tls_type;
74d1c347 2245
98ceb8ce 2246 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour)
68fb2e56 2247 continue;
4dc86686 2248
875c0872 2249 for (sec = ibfd->sections; sec != NULL; sec = sec->next)
98ceb8ce 2250 {
875c0872 2251 struct elf32_hppa_dyn_reloc_entry *hdh_p;
98ceb8ce 2252
875c0872
DA
2253 for (hdh_p = ((struct elf32_hppa_dyn_reloc_entry *)
2254 elf_section_data (sec)->local_dynrel);
2255 hdh_p != NULL;
a63e02c7 2256 hdh_p = hdh_p->hdh_next)
98ceb8ce 2257 {
875c0872
DA
2258 if (!bfd_is_abs_section (hdh_p->sec)
2259 && bfd_is_abs_section (hdh_p->sec->output_section))
ec338859
AM
2260 {
2261 /* Input section has been discarded, either because
2262 it is a copy of a linkonce section or due to
2263 linker script /DISCARD/, so we'll be discarding
2264 the relocs too. */
2265 }
875c0872 2266 else if (hdh_p->count != 0)
ec338859 2267 {
875c0872
DA
2268 srel = elf_section_data (hdh_p->sec)->sreloc;
2269 srel->size += hdh_p->count * sizeof (Elf32_External_Rela);
2270 if ((hdh_p->sec->output_section->flags & SEC_READONLY) != 0)
248866a8 2271 info->flags |= DF_TEXTREL;
ec338859 2272 }
98ceb8ce
AM
2273 }
2274 }
2275
2276 local_got = elf_local_got_refcounts (ibfd);
68fb2e56
AM
2277 if (!local_got)
2278 continue;
74d1c347 2279
98ceb8ce 2280 symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
68fb2e56
AM
2281 locsymcount = symtab_hdr->sh_info;
2282 end_local_got = local_got + locsymcount;
9b52905e 2283 local_tls_type = hppa_elf_local_got_tls_type (ibfd);
ce558b89
AM
2284 sec = htab->etab.sgot;
2285 srel = htab->etab.srelgot;
68fb2e56
AM
2286 for (; local_got < end_local_got; ++local_got)
2287 {
2288 if (*local_got > 0)
4dc86686 2289 {
875c0872
DA
2290 *local_got = sec->size;
2291 sec->size += GOT_ENTRY_SIZE;
9b52905e
NC
2292 if ((*local_tls_type & (GOT_TLS_GD | GOT_TLS_IE)) == (GOT_TLS_GD | GOT_TLS_IE))
2293 sec->size += 2 * GOT_ENTRY_SIZE;
2294 else if ((*local_tls_type & GOT_TLS_GD) == GOT_TLS_GD)
2295 sec->size += GOT_ENTRY_SIZE;
0e1862bb 2296 if (bfd_link_pic (info))
9b52905e
NC
2297 {
2298 srel->size += sizeof (Elf32_External_Rela);
2299 if ((*local_tls_type & (GOT_TLS_GD | GOT_TLS_IE)) == (GOT_TLS_GD | GOT_TLS_IE))
2300 srel->size += 2 * sizeof (Elf32_External_Rela);
2301 else if ((*local_tls_type & GOT_TLS_GD) == GOT_TLS_GD)
2302 srel->size += sizeof (Elf32_External_Rela);
2303 }
4dc86686 2304 }
68fb2e56
AM
2305 else
2306 *local_got = (bfd_vma) -1;
9b52905e
NC
2307
2308 ++local_tls_type;
68fb2e56 2309 }
74d1c347 2310
68fb2e56
AM
2311 local_plt = end_local_got;
2312 end_local_plt = local_plt + locsymcount;
a63e02c7 2313 if (! htab->etab.dynamic_sections_created)
68fb2e56
AM
2314 {
2315 /* Won't be used, but be safe. */
2316 for (; local_plt < end_local_plt; ++local_plt)
2317 *local_plt = (bfd_vma) -1;
2318 }
2319 else
2320 {
ce558b89
AM
2321 sec = htab->etab.splt;
2322 srel = htab->etab.srelplt;
74d1c347
AM
2323 for (; local_plt < end_local_plt; ++local_plt)
2324 {
2325 if (*local_plt > 0)
2326 {
875c0872
DA
2327 *local_plt = sec->size;
2328 sec->size += PLT_ENTRY_SIZE;
0e1862bb 2329 if (bfd_link_pic (info))
eea6121a 2330 srel->size += sizeof (Elf32_External_Rela);
74d1c347
AM
2331 }
2332 else
2333 *local_plt = (bfd_vma) -1;
2334 }
2335 }
30667bf3 2336 }
68ffbac6 2337
9b52905e
NC
2338 if (htab->tls_ldm_got.refcount > 0)
2339 {
68ffbac6 2340 /* Allocate 2 got entries and 1 dynamic reloc for
9b52905e 2341 R_PARISC_TLS_DTPMOD32 relocs. */
ce558b89
AM
2342 htab->tls_ldm_got.offset = htab->etab.sgot->size;
2343 htab->etab.sgot->size += (GOT_ENTRY_SIZE * 2);
2344 htab->etab.srelgot->size += sizeof (Elf32_External_Rela);
9b52905e
NC
2345 }
2346 else
2347 htab->tls_ldm_got.offset = -1;
30667bf3 2348
e5ee5df1
AM
2349 /* Do all the .plt entries without relocs first. The dynamic linker
2350 uses the last .plt reloc to find the end of the .plt (and hence
2351 the start of the .got) for lazy linking. */
a63e02c7 2352 elf_link_hash_traverse (&htab->etab, allocate_plt_static, info);
a8d02d66 2353
98ceb8ce
AM
2354 /* Allocate global sym .plt and .got entries, and space for global
2355 sym dynamic relocs. */
a63e02c7 2356 elf_link_hash_traverse (&htab->etab, allocate_dynrelocs, info);
30667bf3
AM
2357
2358 /* The check_relocs and adjust_dynamic_symbol entry points have
2359 determined the sizes of the various dynamic sections. Allocate
2360 memory for them. */
b34976b6 2361 relocs = FALSE;
875c0872 2362 for (sec = dynobj->sections; sec != NULL; sec = sec->next)
30667bf3 2363 {
875c0872 2364 if ((sec->flags & SEC_LINKER_CREATED) == 0)
30667bf3
AM
2365 continue;
2366
ce558b89 2367 if (sec == htab->etab.splt)
68fb2e56 2368 {
83c81bfe 2369 if (htab->need_plt_stub)
68fb2e56
AM
2370 {
2371 /* Make space for the plt stub at the end of the .plt
2372 section. We want this stub right at the end, up
2373 against the .got section. */
ce558b89 2374 int gotalign = bfd_section_alignment (dynobj, htab->etab.sgot);
875c0872 2375 int pltalign = bfd_section_alignment (dynobj, sec);
68fb2e56 2376 bfd_size_type mask;
30667bf3 2377
68fb2e56 2378 if (gotalign > pltalign)
a253d456 2379 (void) bfd_set_section_alignment (dynobj, sec, gotalign);
68fb2e56 2380 mask = ((bfd_size_type) 1 << gotalign) - 1;
875c0872 2381 sec->size = (sec->size + sizeof (plt_stub) + mask) & ~mask;
68fb2e56
AM
2382 }
2383 }
ce558b89 2384 else if (sec == htab->etab.sgot
5474d94f
AM
2385 || sec == htab->etab.sdynbss
2386 || sec == htab->etab.sdynrelro)
68fb2e56 2387 ;
0112cd26 2388 else if (CONST_STRNEQ (bfd_get_section_name (dynobj, sec), ".rela"))
30667bf3 2389 {
875c0872 2390 if (sec->size != 0)
30667bf3 2391 {
4e12ff7f
AM
2392 /* Remember whether there are any reloc sections other
2393 than .rela.plt. */
ce558b89 2394 if (sec != htab->etab.srelplt)
b34976b6 2395 relocs = TRUE;
47d89dba 2396
30667bf3
AM
2397 /* We use the reloc_count field as a counter if we need
2398 to copy relocs into the output file. */
875c0872 2399 sec->reloc_count = 0;
30667bf3
AM
2400 }
2401 }
30667bf3
AM
2402 else
2403 {
2404 /* It's not one of our sections, so don't allocate space. */
2405 continue;
2406 }
2407
875c0872 2408 if (sec->size == 0)
30667bf3
AM
2409 {
2410 /* If we don't need this section, strip it from the
2411 output file. This is mostly to handle .rela.bss and
2412 .rela.plt. We must create both sections in
2413 create_dynamic_sections, because they must be created
2414 before the linker maps input sections to output
2415 sections. The linker does that before
2416 adjust_dynamic_symbol is called, and it is that
2417 function which decides whether anything needs to go
2418 into these sections. */
875c0872 2419 sec->flags |= SEC_EXCLUDE;
30667bf3
AM
2420 continue;
2421 }
2422
c456f082
AM
2423 if ((sec->flags & SEC_HAS_CONTENTS) == 0)
2424 continue;
2425
30667bf3
AM
2426 /* Allocate memory for the section contents. Zero it, because
2427 we may not fill in all the reloc sections. */
875c0872 2428 sec->contents = bfd_zalloc (dynobj, sec->size);
c456f082 2429 if (sec->contents == NULL)
b34976b6 2430 return FALSE;
30667bf3
AM
2431 }
2432
a63e02c7 2433 if (htab->etab.dynamic_sections_created)
30667bf3
AM
2434 {
2435 /* Like IA-64 and HPPA64, always create a DT_PLTGOT. It
2436 actually has nothing to do with the PLT, it is how we
2437 communicate the LTP value of a load module to the dynamic
2438 linker. */
dc810e39 2439#define add_dynamic_entry(TAG, VAL) \
5a580b3a 2440 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
dc810e39
AM
2441
2442 if (!add_dynamic_entry (DT_PLTGOT, 0))
b34976b6 2443 return FALSE;
30667bf3
AM
2444
2445 /* Add some entries to the .dynamic section. We fill in the
2446 values later, in elf32_hppa_finish_dynamic_sections, but we
2447 must add the entries now so that we get the correct size for
2448 the .dynamic section. The DT_DEBUG entry is filled in by the
2449 dynamic linker and used by the debugger. */
0e1862bb 2450 if (bfd_link_executable (info))
30667bf3 2451 {
dc810e39 2452 if (!add_dynamic_entry (DT_DEBUG, 0))
b34976b6 2453 return FALSE;
30667bf3
AM
2454 }
2455
ce558b89 2456 if (htab->etab.srelplt->size != 0)
30667bf3 2457 {
dc810e39
AM
2458 if (!add_dynamic_entry (DT_PLTRELSZ, 0)
2459 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
2460 || !add_dynamic_entry (DT_JMPREL, 0))
b34976b6 2461 return FALSE;
30667bf3
AM
2462 }
2463
2464 if (relocs)
2465 {
dc810e39
AM
2466 if (!add_dynamic_entry (DT_RELA, 0)
2467 || !add_dynamic_entry (DT_RELASZ, 0)
2468 || !add_dynamic_entry (DT_RELAENT, sizeof (Elf32_External_Rela)))
b34976b6 2469 return FALSE;
30667bf3 2470
98ceb8ce
AM
2471 /* If any dynamic relocs apply to a read-only section,
2472 then we need a DT_TEXTREL entry. */
248866a8 2473 if ((info->flags & DF_TEXTREL) == 0)
a63e02c7 2474 elf_link_hash_traverse (&htab->etab, readonly_dynrelocs, info);
98ceb8ce
AM
2475
2476 if ((info->flags & DF_TEXTREL) != 0)
2477 {
2478 if (!add_dynamic_entry (DT_TEXTREL, 0))
b34976b6 2479 return FALSE;
98ceb8ce 2480 }
30667bf3
AM
2481 }
2482 }
dc810e39 2483#undef add_dynamic_entry
30667bf3 2484
b34976b6 2485 return TRUE;
30667bf3
AM
2486}
2487
30667bf3
AM
2488/* External entry points for sizing and building linker stubs. */
2489
b4655ea9
AM
2490/* Set up various things so that we can make a list of input sections
2491 for each output section included in the link. Returns -1 on error,
cedb70c5 2492 0 when no stubs will be needed, and 1 on success. */
30667bf3 2493
b4655ea9 2494int
c39a58e6 2495elf32_hppa_setup_section_lists (bfd *output_bfd, struct bfd_link_info *info)
30667bf3
AM
2496{
2497 bfd *input_bfd;
b4655ea9 2498 unsigned int bfd_count;
7292b3ac 2499 unsigned int top_id, top_index;
30667bf3 2500 asection *section;
25f72752 2501 asection **input_list, **list;
dc810e39 2502 bfd_size_type amt;
b4655ea9 2503 struct elf32_hppa_link_hash_table *htab = hppa_link_hash_table (info);
30667bf3 2504
4dfe6ac6
NC
2505 if (htab == NULL)
2506 return -1;
2507
1badb539
AM
2508 /* Count the number of input BFDs and find the top input section id. */
2509 for (input_bfd = info->input_bfds, bfd_count = 0, top_id = 0;
30667bf3 2510 input_bfd != NULL;
c72f2fb2 2511 input_bfd = input_bfd->link.next)
30667bf3
AM
2512 {
2513 bfd_count += 1;
25f72752
AM
2514 for (section = input_bfd->sections;
2515 section != NULL;
2516 section = section->next)
2517 {
2518 if (top_id < section->id)
2519 top_id = section->id;
2520 }
30667bf3 2521 }
b4655ea9 2522 htab->bfd_count = bfd_count;
30667bf3 2523
dc810e39 2524 amt = sizeof (struct map_stub) * (top_id + 1);
c39a58e6 2525 htab->stub_group = bfd_zmalloc (amt);
83c81bfe 2526 if (htab->stub_group == NULL)
b4655ea9 2527 return -1;
1badb539 2528
b4655ea9 2529 /* We can't use output_bfd->section_count here to find the top output
1badb539 2530 section index as some sections may have been removed, and
8423293d 2531 strip_excluded_output_sections doesn't renumber the indices. */
1badb539
AM
2532 for (section = output_bfd->sections, top_index = 0;
2533 section != NULL;
2534 section = section->next)
2535 {
2536 if (top_index < section->index)
2537 top_index = section->index;
2538 }
2539
b4655ea9 2540 htab->top_index = top_index;
dc810e39 2541 amt = sizeof (asection *) * (top_index + 1);
c39a58e6 2542 input_list = bfd_malloc (amt);
b4655ea9 2543 htab->input_list = input_list;
25f72752 2544 if (input_list == NULL)
b4655ea9 2545 return -1;
25f72752 2546
1badb539
AM
2547 /* For sections we aren't interested in, mark their entries with a
2548 value we can check later. */
2549 list = input_list + top_index;
2550 do
2551 *list = bfd_abs_section_ptr;
2552 while (list-- != input_list);
2553
2554 for (section = output_bfd->sections;
2555 section != NULL;
2556 section = section->next)
2557 {
47d89dba 2558 if ((section->flags & SEC_CODE) != 0)
1badb539
AM
2559 input_list[section->index] = NULL;
2560 }
2561
b4655ea9
AM
2562 return 1;
2563}
2564
2565/* The linker repeatedly calls this function for each input section,
2566 in the order that input sections are linked into output sections.
2567 Build lists of input sections to determine groupings between which
2568 we may insert linker stubs. */
2569
2570void
c39a58e6 2571elf32_hppa_next_input_section (struct bfd_link_info *info, asection *isec)
b4655ea9
AM
2572{
2573 struct elf32_hppa_link_hash_table *htab = hppa_link_hash_table (info);
2574
4dfe6ac6
NC
2575 if (htab == NULL)
2576 return;
2577
b4655ea9 2578 if (isec->output_section->index <= htab->top_index)
25f72752 2579 {
b4655ea9
AM
2580 asection **list = htab->input_list + isec->output_section->index;
2581 if (*list != bfd_abs_section_ptr)
25f72752 2582 {
b4655ea9 2583 /* Steal the link_sec pointer for our list. */
83c81bfe 2584#define PREV_SEC(sec) (htab->stub_group[(sec)->id].link_sec)
b4655ea9
AM
2585 /* This happens to make the list in reverse order,
2586 which is what we want. */
2587 PREV_SEC (isec) = *list;
2588 *list = isec;
25f72752
AM
2589 }
2590 }
b4655ea9 2591}
25f72752 2592
b4655ea9
AM
2593/* See whether we can group stub sections together. Grouping stub
2594 sections may result in fewer stubs. More importantly, we need to
2595 put all .init* and .fini* stubs at the beginning of the .init or
2596 .fini output sections respectively, because glibc splits the
2597 _init and _fini functions into multiple parts. Putting a stub in
2598 the middle of a function is not a good idea. */
2599
2600static void
c39a58e6
AM
2601group_sections (struct elf32_hppa_link_hash_table *htab,
2602 bfd_size_type stub_group_size,
2603 bfd_boolean stubs_always_before_branch)
b4655ea9
AM
2604{
2605 asection **list = htab->input_list + htab->top_index;
1badb539 2606 do
25f72752
AM
2607 {
2608 asection *tail = *list;
1badb539
AM
2609 if (tail == bfd_abs_section_ptr)
2610 continue;
25f72752
AM
2611 while (tail != NULL)
2612 {
2613 asection *curr;
2614 asection *prev;
2615 bfd_size_type total;
00b28bb0 2616 bfd_boolean big_sec;
25f72752
AM
2617
2618 curr = tail;
eea6121a 2619 total = tail->size;
00b28bb0
AM
2620 big_sec = total >= stub_group_size;
2621
25f72752
AM
2622 while ((prev = PREV_SEC (curr)) != NULL
2623 && ((total += curr->output_offset - prev->output_offset)
47d89dba 2624 < stub_group_size))
25f72752
AM
2625 curr = prev;
2626
2627 /* OK, the size from the start of CURR to the end is less
a248e267 2628 than 240000 bytes and thus can be handled by one stub
25f72752 2629 section. (or the tail section is itself larger than
a248e267 2630 240000 bytes, in which case we may be toast.)
25f72752
AM
2631 We should really be keeping track of the total size of
2632 stubs added here, as stubs contribute to the final output
2633 section size. That's a little tricky, and this way will
a248e267
AM
2634 only break if stubs added total more than 22144 bytes, or
2635 2768 long branch stubs. It seems unlikely for more than
2636 2768 different functions to be called, especially from
2637 code only 240000 bytes long. This limit used to be
2638 250000, but c++ code tends to generate lots of little
2639 functions, and sometimes violated the assumption. */
25f72752
AM
2640 do
2641 {
2642 prev = PREV_SEC (tail);
2643 /* Set up this stub group. */
83c81bfe 2644 htab->stub_group[tail->id].link_sec = curr;
25f72752
AM
2645 }
2646 while (tail != curr && (tail = prev) != NULL);
2647
a248e267 2648 /* But wait, there's more! Input sections up to 240000
00b28bb0
AM
2649 bytes before the stub section can be handled by it too.
2650 Don't do this if we have a really large section after the
2651 stubs, as adding more stubs increases the chance that
2652 branches may not reach into the stub section. */
2653 if (!stubs_always_before_branch && !big_sec)
25f72752 2654 {
47d89dba
AM
2655 total = 0;
2656 while (prev != NULL
2657 && ((total += tail->output_offset - prev->output_offset)
2658 < stub_group_size))
2659 {
2660 tail = prev;
2661 prev = PREV_SEC (tail);
83c81bfe 2662 htab->stub_group[tail->id].link_sec = curr;
47d89dba 2663 }
25f72752
AM
2664 }
2665 tail = prev;
2666 }
2667 }
b4655ea9
AM
2668 while (list-- != htab->input_list);
2669 free (htab->input_list);
1badb539 2670#undef PREV_SEC
b4655ea9
AM
2671}
2672
2673/* Read in all local syms for all input bfds, and create hash entries
2674 for export stubs if we are building a multi-subspace shared lib.
2675 Returns -1 on error, 1 if export stubs created, 0 otherwise. */
2676
2677static int
c39a58e6 2678get_local_syms (bfd *output_bfd, bfd *input_bfd, struct bfd_link_info *info)
b4655ea9
AM
2679{
2680 unsigned int bfd_indx;
2681 Elf_Internal_Sym *local_syms, **all_local_syms;
2682 int stub_changed = 0;
2683 struct elf32_hppa_link_hash_table *htab = hppa_link_hash_table (info);
30667bf3 2684
4dfe6ac6
NC
2685 if (htab == NULL)
2686 return -1;
2687
30667bf3
AM
2688 /* We want to read in symbol extension records only once. To do this
2689 we need to read in the local symbols in parallel and save them for
2690 later use; so hold pointers to the local symbols in an array. */
b4655ea9 2691 bfd_size_type amt = sizeof (Elf_Internal_Sym *) * htab->bfd_count;
c39a58e6 2692 all_local_syms = bfd_zmalloc (amt);
b4655ea9 2693 htab->all_local_syms = all_local_syms;
30667bf3 2694 if (all_local_syms == NULL)
b4655ea9 2695 return -1;
30667bf3
AM
2696
2697 /* Walk over all the input BFDs, swapping in local symbols.
2698 If we are creating a shared library, create hash entries for the
2699 export stubs. */
b4655ea9 2700 for (bfd_indx = 0;
30667bf3 2701 input_bfd != NULL;
c72f2fb2 2702 input_bfd = input_bfd->link.next, bfd_indx++)
30667bf3
AM
2703 {
2704 Elf_Internal_Shdr *symtab_hdr;
edd21aca 2705
252b5132
RH
2706 /* We'll need the symbol table in a second. */
2707 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
2708 if (symtab_hdr->sh_info == 0)
2709 continue;
2710
6cdc0ccc
AM
2711 /* We need an array of the local symbols attached to the input bfd. */
2712 local_syms = (Elf_Internal_Sym *) symtab_hdr->contents;
edd21aca 2713 if (local_syms == NULL)
edd21aca 2714 {
6cdc0ccc
AM
2715 local_syms = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
2716 symtab_hdr->sh_info, 0,
2717 NULL, NULL, NULL);
2718 /* Cache them for elf_link_input_bfd. */
2719 symtab_hdr->contents = (unsigned char *) local_syms;
edd21aca 2720 }
6cdc0ccc
AM
2721 if (local_syms == NULL)
2722 return -1;
edd21aca 2723
6cdc0ccc 2724 all_local_syms[bfd_indx] = local_syms;
edd21aca 2725
0e1862bb 2726 if (bfd_link_pic (info) && htab->multi_subspace)
30667bf3 2727 {
875c0872
DA
2728 struct elf_link_hash_entry **eh_syms;
2729 struct elf_link_hash_entry **eh_symend;
30667bf3
AM
2730 unsigned int symcount;
2731
2732 symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
2733 - symtab_hdr->sh_info);
875c0872
DA
2734 eh_syms = (struct elf_link_hash_entry **) elf_sym_hashes (input_bfd);
2735 eh_symend = (struct elf_link_hash_entry **) (eh_syms + symcount);
30667bf3
AM
2736
2737 /* Look through the global syms for functions; We need to
2738 build export stubs for all globally visible functions. */
875c0872 2739 for (; eh_syms < eh_symend; eh_syms++)
30667bf3 2740 {
875c0872 2741 struct elf32_hppa_link_hash_entry *hh;
30667bf3 2742
875c0872 2743 hh = hppa_elf_hash_entry (*eh_syms);
30667bf3 2744
a63e02c7
DA
2745 while (hh->eh.root.type == bfd_link_hash_indirect
2746 || hh->eh.root.type == bfd_link_hash_warning)
2747 hh = hppa_elf_hash_entry (hh->eh.root.u.i.link);
30667bf3
AM
2748
2749 /* At this point in the link, undefined syms have been
2750 resolved, so we need to check that the symbol was
2751 defined in this BFD. */
a63e02c7
DA
2752 if ((hh->eh.root.type == bfd_link_hash_defined
2753 || hh->eh.root.type == bfd_link_hash_defweak)
2754 && hh->eh.type == STT_FUNC
2755 && hh->eh.root.u.def.section->output_section != NULL
2756 && (hh->eh.root.u.def.section->output_section->owner
25f72752 2757 == output_bfd)
a63e02c7
DA
2758 && hh->eh.root.u.def.section->owner == input_bfd
2759 && hh->eh.def_regular
2760 && !hh->eh.forced_local
2761 && ELF_ST_VISIBILITY (hh->eh.other) == STV_DEFAULT)
30667bf3
AM
2762 {
2763 asection *sec;
2764 const char *stub_name;
875c0872 2765 struct elf32_hppa_stub_hash_entry *hsh;
30667bf3 2766
a63e02c7 2767 sec = hh->eh.root.u.def.section;
9b52905e 2768 stub_name = hh_name (hh);
a63e02c7 2769 hsh = hppa_stub_hash_lookup (&htab->bstab,
30667bf3 2770 stub_name,
b34976b6 2771 FALSE, FALSE);
875c0872 2772 if (hsh == NULL)
30667bf3 2773 {
875c0872
DA
2774 hsh = hppa_add_stub (stub_name, sec, htab);
2775 if (!hsh)
b4655ea9 2776 return -1;
30667bf3 2777
a63e02c7
DA
2778 hsh->target_value = hh->eh.root.u.def.value;
2779 hsh->target_section = hh->eh.root.u.def.section;
875c0872 2780 hsh->stub_type = hppa_stub_export;
a63e02c7 2781 hsh->hh = hh;
30667bf3
AM
2782 stub_changed = 1;
2783 }
2784 else
2785 {
695344c0 2786 /* xgettext:c-format */
4eca0228
AM
2787 _bfd_error_handler (_("%B: duplicate export stub %s"),
2788 input_bfd, stub_name);
30667bf3
AM
2789 }
2790 }
2791 }
30667bf3
AM
2792 }
2793 }
edd21aca 2794
b4655ea9
AM
2795 return stub_changed;
2796}
2797
2798/* Determine and set the size of the stub section for a final link.
2799
2800 The basic idea here is to examine all the relocations looking for
2801 PC-relative calls to a target that is unreachable with a "bl"
2802 instruction. */
2803
b34976b6 2804bfd_boolean
c39a58e6
AM
2805elf32_hppa_size_stubs
2806 (bfd *output_bfd, bfd *stub_bfd, struct bfd_link_info *info,
2807 bfd_boolean multi_subspace, bfd_signed_vma group_size,
2808 asection * (*add_stub_section) (const char *, asection *),
2809 void (*layout_sections_again) (void))
b4655ea9
AM
2810{
2811 bfd_size_type stub_group_size;
b34976b6
AM
2812 bfd_boolean stubs_always_before_branch;
2813 bfd_boolean stub_changed;
b4655ea9
AM
2814 struct elf32_hppa_link_hash_table *htab = hppa_link_hash_table (info);
2815
4dfe6ac6
NC
2816 if (htab == NULL)
2817 return FALSE;
2818
b4655ea9
AM
2819 /* Stash our params away. */
2820 htab->stub_bfd = stub_bfd;
2821 htab->multi_subspace = multi_subspace;
2822 htab->add_stub_section = add_stub_section;
2823 htab->layout_sections_again = layout_sections_again;
2824 stubs_always_before_branch = group_size < 0;
2825 if (group_size < 0)
2826 stub_group_size = -group_size;
2827 else
2828 stub_group_size = group_size;
2829 if (stub_group_size == 1)
2830 {
2831 /* Default values. */
acc990f2
AM
2832 if (stubs_always_before_branch)
2833 {
2834 stub_group_size = 7680000;
2835 if (htab->has_17bit_branch || htab->multi_subspace)
2836 stub_group_size = 240000;
2837 if (htab->has_12bit_branch)
2838 stub_group_size = 7500;
2839 }
2840 else
2841 {
2842 stub_group_size = 6971392;
2843 if (htab->has_17bit_branch || htab->multi_subspace)
2844 stub_group_size = 217856;
2845 if (htab->has_12bit_branch)
2846 stub_group_size = 6808;
2847 }
b4655ea9
AM
2848 }
2849
2850 group_sections (htab, stub_group_size, stubs_always_before_branch);
2851
2852 switch (get_local_syms (output_bfd, info->input_bfds, info))
2853 {
2854 default:
2855 if (htab->all_local_syms)
2856 goto error_ret_free_local;
b34976b6 2857 return FALSE;
b4655ea9
AM
2858
2859 case 0:
b34976b6 2860 stub_changed = FALSE;
b4655ea9
AM
2861 break;
2862
2863 case 1:
b34976b6 2864 stub_changed = TRUE;
b4655ea9
AM
2865 break;
2866 }
2867
edd21aca
AM
2868 while (1)
2869 {
b4655ea9
AM
2870 bfd *input_bfd;
2871 unsigned int bfd_indx;
30667bf3
AM
2872 asection *stub_sec;
2873
25f72752 2874 for (input_bfd = info->input_bfds, bfd_indx = 0;
30667bf3 2875 input_bfd != NULL;
c72f2fb2 2876 input_bfd = input_bfd->link.next, bfd_indx++)
30667bf3
AM
2877 {
2878 Elf_Internal_Shdr *symtab_hdr;
b4655ea9
AM
2879 asection *section;
2880 Elf_Internal_Sym *local_syms;
30667bf3
AM
2881
2882 /* We'll need the symbol table in a second. */
2883 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
2884 if (symtab_hdr->sh_info == 0)
2885 continue;
2886
b4655ea9 2887 local_syms = htab->all_local_syms[bfd_indx];
30667bf3
AM
2888
2889 /* Walk over each section attached to the input bfd. */
2890 for (section = input_bfd->sections;
2891 section != NULL;
25f72752 2892 section = section->next)
30667bf3 2893 {
30667bf3
AM
2894 Elf_Internal_Rela *internal_relocs, *irelaend, *irela;
2895
2896 /* If there aren't any relocs, then there's nothing more
2897 to do. */
2898 if ((section->flags & SEC_RELOC) == 0
2899 || section->reloc_count == 0)
2900 continue;
2901
25f72752
AM
2902 /* If this section is a link-once section that will be
2903 discarded, then don't create any stubs. */
2904 if (section->output_section == NULL
2905 || section->output_section->owner != output_bfd)
2906 continue;
2907
1e2f5b6e
AM
2908 /* Get the relocs. */
2909 internal_relocs
c39a58e6 2910 = _bfd_elf_link_read_relocs (input_bfd, section, NULL, NULL,
45d6a902 2911 info->keep_memory);
30667bf3 2912 if (internal_relocs == NULL)
1e2f5b6e 2913 goto error_ret_free_local;
30667bf3
AM
2914
2915 /* Now examine each relocation. */
2916 irela = internal_relocs;
2917 irelaend = irela + section->reloc_count;
2918 for (; irela < irelaend; irela++)
2919 {
2920 unsigned int r_type, r_indx;
2921 enum elf32_hppa_stub_type stub_type;
875c0872 2922 struct elf32_hppa_stub_hash_entry *hsh;
30667bf3
AM
2923 asection *sym_sec;
2924 bfd_vma sym_value;
2925 bfd_vma destination;
875c0872 2926 struct elf32_hppa_link_hash_entry *hh;
30667bf3 2927 char *stub_name;
25f72752 2928 const asection *id_sec;
30667bf3
AM
2929
2930 r_type = ELF32_R_TYPE (irela->r_info);
2931 r_indx = ELF32_R_SYM (irela->r_info);
2932
2933 if (r_type >= (unsigned int) R_PARISC_UNIMPLEMENTED)
2934 {
2935 bfd_set_error (bfd_error_bad_value);
1e2f5b6e
AM
2936 error_ret_free_internal:
2937 if (elf_section_data (section)->relocs == NULL)
2938 free (internal_relocs);
2939 goto error_ret_free_local;
30667bf3
AM
2940 }
2941
2942 /* Only look for stubs on call instructions. */
2943 if (r_type != (unsigned int) R_PARISC_PCREL12F
2944 && r_type != (unsigned int) R_PARISC_PCREL17F
2945 && r_type != (unsigned int) R_PARISC_PCREL22F)
2946 continue;
2947
2948 /* Now determine the call target, its name, value,
2949 section. */
2950 sym_sec = NULL;
2951 sym_value = 0;
2952 destination = 0;
875c0872 2953 hh = NULL;
30667bf3
AM
2954 if (r_indx < symtab_hdr->sh_info)
2955 {
2956 /* It's a local symbol. */
2957 Elf_Internal_Sym *sym;
2958 Elf_Internal_Shdr *hdr;
4fbb74a6 2959 unsigned int shndx;
30667bf3
AM
2960
2961 sym = local_syms + r_indx;
30667bf3
AM
2962 if (ELF_ST_TYPE (sym->st_info) != STT_SECTION)
2963 sym_value = sym->st_value;
4fbb74a6
AM
2964 shndx = sym->st_shndx;
2965 if (shndx < elf_numsections (input_bfd))
2966 {
2967 hdr = elf_elfsections (input_bfd)[shndx];
2968 sym_sec = hdr->bfd_section;
2969 destination = (sym_value + irela->r_addend
2970 + sym_sec->output_offset
2971 + sym_sec->output_section->vma);
2972 }
30667bf3
AM
2973 }
2974 else
2975 {
2976 /* It's an external symbol. */
2977 int e_indx;
2978
2979 e_indx = r_indx - symtab_hdr->sh_info;
875c0872 2980 hh = hppa_elf_hash_entry (elf_sym_hashes (input_bfd)[e_indx]);
30667bf3 2981
a63e02c7
DA
2982 while (hh->eh.root.type == bfd_link_hash_indirect
2983 || hh->eh.root.type == bfd_link_hash_warning)
2984 hh = hppa_elf_hash_entry (hh->eh.root.u.i.link);
30667bf3 2985
a63e02c7
DA
2986 if (hh->eh.root.type == bfd_link_hash_defined
2987 || hh->eh.root.type == bfd_link_hash_defweak)
30667bf3 2988 {
a63e02c7
DA
2989 sym_sec = hh->eh.root.u.def.section;
2990 sym_value = hh->eh.root.u.def.value;
30667bf3
AM
2991 if (sym_sec->output_section != NULL)
2992 destination = (sym_value + irela->r_addend
2993 + sym_sec->output_offset
2994 + sym_sec->output_section->vma);
2995 }
a63e02c7 2996 else if (hh->eh.root.type == bfd_link_hash_undefweak)
c432ba1a 2997 {
0e1862bb 2998 if (! bfd_link_pic (info))
c432ba1a
AM
2999 continue;
3000 }
a63e02c7 3001 else if (hh->eh.root.type == bfd_link_hash_undefined)
c432ba1a 3002 {
59c2e50f 3003 if (! (info->unresolved_syms_in_objects == RM_IGNORE
a63e02c7 3004 && (ELF_ST_VISIBILITY (hh->eh.other)
c432ba1a 3005 == STV_DEFAULT)
a63e02c7 3006 && hh->eh.type != STT_PARISC_MILLI))
c432ba1a
AM
3007 continue;
3008 }
30667bf3
AM
3009 else
3010 {
3011 bfd_set_error (bfd_error_bad_value);
3012 goto error_ret_free_internal;
3013 }
3014 }
3015
3016 /* Determine what (if any) linker stub is needed. */
875c0872 3017 stub_type = hppa_type_of_stub (section, irela, hh,
a252afa4 3018 destination, info);
30667bf3
AM
3019 if (stub_type == hppa_stub_none)
3020 continue;
3021
25f72752 3022 /* Support for grouping stub sections. */
83c81bfe 3023 id_sec = htab->stub_group[section->id].link_sec;
25f72752 3024
30667bf3 3025 /* Get the name of this stub. */
875c0872 3026 stub_name = hppa_stub_name (id_sec, sym_sec, hh, irela);
30667bf3
AM
3027 if (!stub_name)
3028 goto error_ret_free_internal;
3029
a63e02c7 3030 hsh = hppa_stub_hash_lookup (&htab->bstab,
30667bf3 3031 stub_name,
b34976b6 3032 FALSE, FALSE);
875c0872 3033 if (hsh != NULL)
30667bf3
AM
3034 {
3035 /* The proper stub has already been created. */
3036 free (stub_name);
3037 continue;
3038 }
3039
875c0872
DA
3040 hsh = hppa_add_stub (stub_name, section, htab);
3041 if (hsh == NULL)
30667bf3
AM
3042 {
3043 free (stub_name);
1e2f5b6e 3044 goto error_ret_free_internal;
30667bf3
AM
3045 }
3046
875c0872
DA
3047 hsh->target_value = sym_value;
3048 hsh->target_section = sym_sec;
3049 hsh->stub_type = stub_type;
0e1862bb 3050 if (bfd_link_pic (info))
30667bf3
AM
3051 {
3052 if (stub_type == hppa_stub_import)
875c0872 3053 hsh->stub_type = hppa_stub_import_shared;
98ceb8ce 3054 else if (stub_type == hppa_stub_long_branch)
875c0872 3055 hsh->stub_type = hppa_stub_long_branch_shared;
30667bf3 3056 }
a63e02c7 3057 hsh->hh = hh;
b34976b6 3058 stub_changed = TRUE;
30667bf3
AM
3059 }
3060
3061 /* We're done with the internal relocs, free them. */
1e2f5b6e
AM
3062 if (elf_section_data (section)->relocs == NULL)
3063 free (internal_relocs);
30667bf3
AM
3064 }
3065 }
3066
3067 if (!stub_changed)
3068 break;
3069
3070 /* OK, we've added some stubs. Find out the new size of the
3071 stub sections. */
83c81bfe 3072 for (stub_sec = htab->stub_bfd->sections;
30667bf3
AM
3073 stub_sec != NULL;
3074 stub_sec = stub_sec->next)
a464198b
AM
3075 if ((stub_sec->flags & SEC_LINKER_CREATED) == 0)
3076 stub_sec->size = 0;
74d1c347 3077
a63e02c7 3078 bfd_hash_traverse (&htab->bstab, hppa_size_one_stub, htab);
74d1c347 3079
30667bf3 3080 /* Ask the linker to do its stuff. */
83c81bfe 3081 (*htab->layout_sections_again) ();
b34976b6 3082 stub_changed = FALSE;
30667bf3
AM
3083 }
3084
6cdc0ccc 3085 free (htab->all_local_syms);
b34976b6 3086 return TRUE;
30667bf3
AM
3087
3088 error_ret_free_local:
b4655ea9 3089 free (htab->all_local_syms);
b34976b6 3090 return FALSE;
30667bf3
AM
3091}
3092
30667bf3
AM
3093/* For a final link, this function is called after we have sized the
3094 stubs to provide a value for __gp. */
3095
b34976b6 3096bfd_boolean
c39a58e6 3097elf32_hppa_set_gp (bfd *abfd, struct bfd_link_info *info)
30667bf3 3098{
b4655ea9
AM
3099 struct bfd_link_hash_entry *h;
3100 asection *sec = NULL;
3101 bfd_vma gp_val = 0;
83c81bfe 3102 struct elf32_hppa_link_hash_table *htab;
30667bf3 3103
83c81bfe 3104 htab = hppa_link_hash_table (info);
4dfe6ac6
NC
3105 if (htab == NULL)
3106 return FALSE;
3107
a63e02c7 3108 h = bfd_link_hash_lookup (&htab->etab.root, "$global$", FALSE, FALSE, FALSE);
30667bf3 3109
df8634e3 3110 if (h != NULL
b4655ea9
AM
3111 && (h->type == bfd_link_hash_defined
3112 || h->type == bfd_link_hash_defweak))
30667bf3 3113 {
b4655ea9
AM
3114 gp_val = h->u.def.value;
3115 sec = h->u.def.section;
30667bf3
AM
3116 }
3117 else
3118 {
0eddce27
AM
3119 asection *splt = bfd_get_section_by_name (abfd, ".plt");
3120 asection *sgot = bfd_get_section_by_name (abfd, ".got");
b4655ea9 3121
74d1c347
AM
3122 /* Choose to point our LTP at, in this order, one of .plt, .got,
3123 or .data, if these sections exist. In the case of choosing
3124 .plt try to make the LTP ideal for addressing anywhere in the
3125 .plt or .got with a 14 bit signed offset. Typically, the end
3126 of the .plt is the start of the .got, so choose .plt + 0x2000
3127 if either the .plt or .got is larger than 0x2000. If both
3128 the .plt and .got are smaller than 0x2000, choose the end of
3129 the .plt section. */
225247f0
JT
3130 sec = strcmp (bfd_get_target (abfd), "elf32-hppa-netbsd") == 0
3131 ? NULL : splt;
74d1c347 3132 if (sec != NULL)
30667bf3 3133 {
eea6121a
AM
3134 gp_val = sec->size;
3135 if (gp_val > 0x2000 || (sgot && sgot->size > 0x2000))
74d1c347
AM
3136 {
3137 gp_val = 0x2000;
3138 }
3139 }
3140 else
3141 {
b4655ea9 3142 sec = sgot;
74d1c347
AM
3143 if (sec != NULL)
3144 {
225247f0
JT
3145 if (strcmp (bfd_get_target (abfd), "elf32-hppa-netbsd") != 0)
3146 {
3147 /* We know we don't have a .plt. If .got is large,
3148 offset our LTP. */
3149 if (sec->size > 0x2000)
3150 gp_val = 0x2000;
3151 }
74d1c347
AM
3152 }
3153 else
3154 {
3155 /* No .plt or .got. Who cares what the LTP is? */
3156 sec = bfd_get_section_by_name (abfd, ".data");
3157 }
30667bf3 3158 }
df8634e3
AM
3159
3160 if (h != NULL)
3161 {
b4655ea9
AM
3162 h->type = bfd_link_hash_defined;
3163 h->u.def.value = gp_val;
df8634e3 3164 if (sec != NULL)
b4655ea9 3165 h->u.def.section = sec;
df8634e3 3166 else
b4655ea9 3167 h->u.def.section = bfd_abs_section_ptr;
df8634e3 3168 }
30667bf3
AM
3169 }
3170
b32b5d6e 3171 if (sec != NULL && sec->output_section != NULL)
74d1c347
AM
3172 gp_val += sec->output_section->vma + sec->output_offset;
3173
3174 elf_gp (abfd) = gp_val;
b34976b6 3175 return TRUE;
30667bf3
AM
3176}
3177
30667bf3
AM
3178/* Build all the stubs associated with the current output file. The
3179 stubs are kept in a hash table attached to the main linker hash
3180 table. We also set up the .plt entries for statically linked PIC
3181 functions here. This function is called via hppaelf_finish in the
3182 linker. */
3183
b34976b6 3184bfd_boolean
c39a58e6 3185elf32_hppa_build_stubs (struct bfd_link_info *info)
30667bf3
AM
3186{
3187 asection *stub_sec;
3188 struct bfd_hash_table *table;
83c81bfe 3189 struct elf32_hppa_link_hash_table *htab;
30667bf3 3190
83c81bfe 3191 htab = hppa_link_hash_table (info);
4dfe6ac6
NC
3192 if (htab == NULL)
3193 return FALSE;
30667bf3 3194
83c81bfe 3195 for (stub_sec = htab->stub_bfd->sections;
30667bf3
AM
3196 stub_sec != NULL;
3197 stub_sec = stub_sec->next)
a464198b
AM
3198 if ((stub_sec->flags & SEC_LINKER_CREATED) == 0
3199 && stub_sec->size != 0)
3200 {
3201 /* Allocate memory to hold the linker stubs. */
3202 stub_sec->contents = bfd_zalloc (htab->stub_bfd, stub_sec->size);
3203 if (stub_sec->contents == NULL)
3204 return FALSE;
3205 stub_sec->size = 0;
3206 }
30667bf3
AM
3207
3208 /* Build the stubs as directed by the stub hash table. */
a63e02c7 3209 table = &htab->bstab;
30667bf3
AM
3210 bfd_hash_traverse (table, hppa_build_one_stub, info);
3211
b34976b6 3212 return TRUE;
30667bf3
AM
3213}
3214
9b52905e 3215/* Return the base vma address which should be subtracted from the real
68ffbac6 3216 address when resolving a dtpoff relocation.
9b52905e
NC
3217 This is PT_TLS segment p_vaddr. */
3218
3219static bfd_vma
3220dtpoff_base (struct bfd_link_info *info)
3221{
3222 /* If tls_sec is NULL, we should have signalled an error already. */
3223 if (elf_hash_table (info)->tls_sec == NULL)
3224 return 0;
3225 return elf_hash_table (info)->tls_sec->vma;
3226}
3227
3228/* Return the relocation value for R_PARISC_TLS_TPOFF*.. */
3229
3230static bfd_vma
3231tpoff (struct bfd_link_info *info, bfd_vma address)
3232{
3233 struct elf_link_hash_table *htab = elf_hash_table (info);
3234
3235 /* If tls_sec is NULL, we should have signalled an error already. */
3236 if (htab->tls_sec == NULL)
3237 return 0;
68ffbac6 3238 /* hppa TLS ABI is variant I and static TLS block start just after
9b52905e 3239 tcbhead structure which has 2 pointer fields. */
68ffbac6 3240 return (address - htab->tls_sec->vma
9b52905e
NC
3241 + align_power ((bfd_vma) 8, htab->tls_sec->alignment_power));
3242}
3243
c46b7515
AM
3244/* Perform a final link. */
3245
b34976b6 3246static bfd_boolean
c39a58e6 3247elf32_hppa_final_link (bfd *abfd, struct bfd_link_info *info)
c46b7515 3248{
6d4b2867
JDA
3249 struct stat buf;
3250
4dc86686 3251 /* Invoke the regular ELF linker to do all the work. */
c152c796 3252 if (!bfd_elf_final_link (abfd, info))
b34976b6 3253 return FALSE;
c46b7515
AM
3254
3255 /* If we're producing a final executable, sort the contents of the
985142a4 3256 unwind section. */
0e1862bb 3257 if (bfd_link_relocatable (info))
d9f40817
DA
3258 return TRUE;
3259
6d4b2867
JDA
3260 /* Do not attempt to sort non-regular files. This is here
3261 especially for configure scripts and kernel builds which run
3262 tests with "ld [...] -o /dev/null". */
3263 if (stat (abfd->filename, &buf) != 0
3264 || !S_ISREG(buf.st_mode))
3265 return TRUE;
3266
46fe4e66 3267 return elf_hppa_sort_unwind (abfd);
c46b7515
AM
3268}
3269
3270/* Record the lowest address for the data and text segments. */
3271
3272static void
2ea37f1c 3273hppa_record_segment_addr (bfd *abfd, asection *section, void *data)
c46b7515 3274{
83c81bfe 3275 struct elf32_hppa_link_hash_table *htab;
c46b7515 3276
875c0872 3277 htab = (struct elf32_hppa_link_hash_table*) data;
4dfe6ac6
NC
3278 if (htab == NULL)
3279 return;
c46b7515
AM
3280
3281 if ((section->flags & (SEC_ALLOC | SEC_LOAD)) == (SEC_ALLOC | SEC_LOAD))
3282 {
2ea37f1c
NC
3283 bfd_vma value;
3284 Elf_Internal_Phdr *p;
3285
3286 p = _bfd_elf_find_segment_containing_section (abfd, section->output_section);
3287 BFD_ASSERT (p != NULL);
3288 value = p->p_vaddr;
c46b7515
AM
3289
3290 if ((section->flags & SEC_READONLY) != 0)
3291 {
83c81bfe
AM
3292 if (value < htab->text_segment_base)
3293 htab->text_segment_base = value;
c46b7515
AM
3294 }
3295 else
3296 {
83c81bfe
AM
3297 if (value < htab->data_segment_base)
3298 htab->data_segment_base = value;
c46b7515
AM
3299 }
3300 }
3301}
3302
30667bf3
AM
3303/* Perform a relocation as part of a final link. */
3304
3305static bfd_reloc_status_type
c39a58e6
AM
3306final_link_relocate (asection *input_section,
3307 bfd_byte *contents,
875c0872 3308 const Elf_Internal_Rela *rela,
c39a58e6
AM
3309 bfd_vma value,
3310 struct elf32_hppa_link_hash_table *htab,
3311 asection *sym_sec,
875c0872 3312 struct elf32_hppa_link_hash_entry *hh,
a252afa4 3313 struct bfd_link_info *info)
30667bf3
AM
3314{
3315 int insn;
875c0872 3316 unsigned int r_type = ELF32_R_TYPE (rela->r_info);
a252afa4 3317 unsigned int orig_r_type = r_type;
30667bf3
AM
3318 reloc_howto_type *howto = elf_hppa_howto_table + r_type;
3319 int r_format = howto->bitsize;
3320 enum hppa_reloc_field_selector_type_alt r_field;
3321 bfd *input_bfd = input_section->owner;
875c0872 3322 bfd_vma offset = rela->r_offset;
30667bf3
AM
3323 bfd_vma max_branch_offset = 0;
3324 bfd_byte *hit_data = contents + offset;
875c0872 3325 bfd_signed_vma addend = rela->r_addend;
30667bf3 3326 bfd_vma location;
875c0872 3327 struct elf32_hppa_stub_hash_entry *hsh = NULL;
68ffbac6 3328 int val;
30667bf3
AM
3329
3330 if (r_type == R_PARISC_NONE)
3331 return bfd_reloc_ok;
3332
3333 insn = bfd_get_32 (input_bfd, hit_data);
3334
3335 /* Find out where we are and where we're going. */
3336 location = (offset +
3337 input_section->output_offset +
3338 input_section->output_section->vma);
3339
a252afa4
DA
3340 /* If we are not building a shared library, convert DLTIND relocs to
3341 DPREL relocs. */
0e1862bb 3342 if (!bfd_link_pic (info))
a252afa4
DA
3343 {
3344 switch (r_type)
4fc8051d
AM
3345 {
3346 case R_PARISC_DLTIND21L:
143bb599
DA
3347 case R_PARISC_TLS_GD21L:
3348 case R_PARISC_TLS_LDM21L:
3349 case R_PARISC_TLS_IE21L:
4fc8051d 3350 r_type = R_PARISC_DPREL21L;
a252afa4
DA
3351 break;
3352
4fc8051d 3353 case R_PARISC_DLTIND14R:
143bb599
DA
3354 case R_PARISC_TLS_GD14R:
3355 case R_PARISC_TLS_LDM14R:
3356 case R_PARISC_TLS_IE14R:
4fc8051d 3357 r_type = R_PARISC_DPREL14R;
a252afa4
DA
3358 break;
3359
4fc8051d
AM
3360 case R_PARISC_DLTIND14F:
3361 r_type = R_PARISC_DPREL14F;
a252afa4
DA
3362 break;
3363 }
3364 }
3365
30667bf3
AM
3366 switch (r_type)
3367 {
3368 case R_PARISC_PCREL12F:
3369 case R_PARISC_PCREL17F:
3370 case R_PARISC_PCREL22F:
067fa4a6
AM
3371 /* If this call should go via the plt, find the import stub in
3372 the stub hash. */
30667bf3
AM
3373 if (sym_sec == NULL
3374 || sym_sec->output_section == NULL
875c0872 3375 || (hh != NULL
a63e02c7
DA
3376 && hh->eh.plt.offset != (bfd_vma) -1
3377 && hh->eh.dynindx != -1
875c0872 3378 && !hh->plabel
0e1862bb 3379 && (bfd_link_pic (info)
a63e02c7
DA
3380 || !hh->eh.def_regular
3381 || hh->eh.root.type == bfd_link_hash_defweak)))
30667bf3 3382 {
875c0872
DA
3383 hsh = hppa_get_stub_entry (input_section, sym_sec,
3384 hh, rela, htab);
3385 if (hsh != NULL)
30667bf3 3386 {
875c0872
DA
3387 value = (hsh->stub_offset
3388 + hsh->stub_sec->output_offset
3389 + hsh->stub_sec->output_section->vma);
30667bf3
AM
3390 addend = 0;
3391 }
875c0872 3392 else if (sym_sec == NULL && hh != NULL
a63e02c7 3393 && hh->eh.root.type == bfd_link_hash_undefweak)
30667bf3 3394 {
db20fd76
AM
3395 /* It's OK if undefined weak. Calls to undefined weak
3396 symbols behave as if the "called" function
3397 immediately returns. We can thus call to a weak
3398 function without first checking whether the function
3399 is defined. */
30667bf3 3400 value = location;
db20fd76 3401 addend = 8;
30667bf3
AM
3402 }
3403 else
f09ebc7d 3404 return bfd_reloc_undefined;
30667bf3
AM
3405 }
3406 /* Fall thru. */
3407
3408 case R_PARISC_PCREL21L:
3409 case R_PARISC_PCREL17C:
3410 case R_PARISC_PCREL17R:
3411 case R_PARISC_PCREL14R:
3412 case R_PARISC_PCREL14F:
36751eee 3413 case R_PARISC_PCREL32:
30667bf3
AM
3414 /* Make it a pc relative offset. */
3415 value -= location;
3416 addend -= 8;
3417 break;
3418
3419 case R_PARISC_DPREL21L:
3420 case R_PARISC_DPREL14R:
3421 case R_PARISC_DPREL14F:
a252afa4
DA
3422 /* Convert instructions that use the linkage table pointer (r19) to
3423 instructions that use the global data pointer (dp). This is the
3424 most efficient way of using PIC code in an incomplete executable,
3425 but the user must follow the standard runtime conventions for
3426 accessing data for this to work. */
143bb599 3427 if (orig_r_type != r_type)
a252afa4 3428 {
143bb599
DA
3429 if (r_type == R_PARISC_DPREL21L)
3430 {
3431 /* GCC sometimes uses a register other than r19 for the
3432 operation, so we must convert any addil instruction
3433 that uses this relocation. */
3434 if ((insn & 0xfc000000) == ((int) OP_ADDIL << 26))
3435 insn = ADDIL_DP;
3436 else
3437 /* We must have a ldil instruction. It's too hard to find
3438 and convert the associated add instruction, so issue an
3439 error. */
4eca0228 3440 _bfd_error_handler
695344c0 3441 /* xgettext:c-format */
143bb599
DA
3442 (_("%B(%A+0x%lx): %s fixup for insn 0x%x is not supported in a non-shared link"),
3443 input_bfd,
3444 input_section,
3445 (long) offset,
3446 howto->name,
3447 insn);
3448 }
3449 else if (r_type == R_PARISC_DPREL14F)
3450 {
3451 /* This must be a format 1 load/store. Change the base
3452 register to dp. */
3453 insn = (insn & 0xfc1ffff) | (27 << 21);
3454 }
a252afa4
DA
3455 }
3456
143bb599
DA
3457 /* For all the DP relative relocations, we need to examine the symbol's
3458 section. If it has no section or if it's a code section, then
3459 "data pointer relative" makes no sense. In that case we don't
3460 adjust the "value", and for 21 bit addil instructions, we change the
3461 source addend register from %dp to %r0. This situation commonly
3462 arises for undefined weak symbols and when a variable's "constness"
3463 is declared differently from the way the variable is defined. For
3464 instance: "extern int foo" with foo defined as "const int foo". */
95d0f04a 3465 if (sym_sec == NULL || (sym_sec->flags & SEC_CODE) != 0)
30667bf3
AM
3466 {
3467 if ((insn & ((0x3f << 26) | (0x1f << 21)))
3468 == (((int) OP_ADDIL << 26) | (27 << 21)))
3469 {
3470 insn &= ~ (0x1f << 21);
30667bf3
AM
3471 }
3472 /* Now try to make things easy for the dynamic linker. */
3473
3474 break;
3475 }
74d1c347 3476 /* Fall thru. */
30667bf3
AM
3477
3478 case R_PARISC_DLTIND21L:
3479 case R_PARISC_DLTIND14R:
3480 case R_PARISC_DLTIND14F:
143bb599
DA
3481 case R_PARISC_TLS_GD21L:
3482 case R_PARISC_TLS_LDM21L:
3483 case R_PARISC_TLS_IE21L:
9b52905e 3484 case R_PARISC_TLS_GD14R:
9b52905e 3485 case R_PARISC_TLS_LDM14R:
9b52905e 3486 case R_PARISC_TLS_IE14R:
30667bf3
AM
3487 value -= elf_gp (input_section->output_section->owner);
3488 break;
3489
c46b7515
AM
3490 case R_PARISC_SEGREL32:
3491 if ((sym_sec->flags & SEC_CODE) != 0)
83c81bfe 3492 value -= htab->text_segment_base;
c46b7515 3493 else
83c81bfe 3494 value -= htab->data_segment_base;
c46b7515
AM
3495 break;
3496
30667bf3
AM
3497 default:
3498 break;
3499 }
3500
3501 switch (r_type)
3502 {
3503 case R_PARISC_DIR32:
47d89dba 3504 case R_PARISC_DIR14F:
30667bf3
AM
3505 case R_PARISC_DIR17F:
3506 case R_PARISC_PCREL17C:
3507 case R_PARISC_PCREL14F:
36751eee 3508 case R_PARISC_PCREL32:
30667bf3
AM
3509 case R_PARISC_DPREL14F:
3510 case R_PARISC_PLABEL32:
3511 case R_PARISC_DLTIND14F:
3512 case R_PARISC_SEGBASE:
3513 case R_PARISC_SEGREL32:
9b52905e
NC
3514 case R_PARISC_TLS_DTPMOD32:
3515 case R_PARISC_TLS_DTPOFF32:
3516 case R_PARISC_TLS_TPREL32:
30667bf3
AM
3517 r_field = e_fsel;
3518 break;
3519
1bf42538 3520 case R_PARISC_DLTIND21L:
30667bf3 3521 case R_PARISC_PCREL21L:
30667bf3 3522 case R_PARISC_PLABEL21L:
1bf42538
JL
3523 r_field = e_lsel;
3524 break;
3525
3526 case R_PARISC_DIR21L:
3527 case R_PARISC_DPREL21L:
9b52905e
NC
3528 case R_PARISC_TLS_GD21L:
3529 case R_PARISC_TLS_LDM21L:
3530 case R_PARISC_TLS_LDO21L:
3531 case R_PARISC_TLS_IE21L:
3532 case R_PARISC_TLS_LE21L:
30667bf3
AM
3533 r_field = e_lrsel;
3534 break;
3535
30667bf3 3536 case R_PARISC_PCREL17R:
30667bf3 3537 case R_PARISC_PCREL14R:
30667bf3
AM
3538 case R_PARISC_PLABEL14R:
3539 case R_PARISC_DLTIND14R:
1bf42538
JL
3540 r_field = e_rsel;
3541 break;
3542
3543 case R_PARISC_DIR17R:
3544 case R_PARISC_DIR14R:
3545 case R_PARISC_DPREL14R:
9b52905e
NC
3546 case R_PARISC_TLS_GD14R:
3547 case R_PARISC_TLS_LDM14R:
3548 case R_PARISC_TLS_LDO14R:
3549 case R_PARISC_TLS_IE14R:
3550 case R_PARISC_TLS_LE14R:
30667bf3
AM
3551 r_field = e_rrsel;
3552 break;
3553
3554 case R_PARISC_PCREL12F:
3555 case R_PARISC_PCREL17F:
3556 case R_PARISC_PCREL22F:
3557 r_field = e_fsel;
3558
3559 if (r_type == (unsigned int) R_PARISC_PCREL17F)
3560 {
3561 max_branch_offset = (1 << (17-1)) << 2;
3562 }
3563 else if (r_type == (unsigned int) R_PARISC_PCREL12F)
3564 {
3565 max_branch_offset = (1 << (12-1)) << 2;
3566 }
3567 else
3568 {
3569 max_branch_offset = (1 << (22-1)) << 2;
3570 }
3571
3572 /* sym_sec is NULL on undefined weak syms or when shared on
3573 undefined syms. We've already checked for a stub for the
3574 shared undefined case. */
3575 if (sym_sec == NULL)
3576 break;
3577
3578 /* If the branch is out of reach, then redirect the
3579 call to the local stub for this function. */
3580 if (value + addend + max_branch_offset >= 2*max_branch_offset)
3581 {
875c0872
DA
3582 hsh = hppa_get_stub_entry (input_section, sym_sec,
3583 hh, rela, htab);
3584 if (hsh == NULL)
f09ebc7d 3585 return bfd_reloc_undefined;
30667bf3
AM
3586
3587 /* Munge up the value and addend so that we call the stub
3588 rather than the procedure directly. */
875c0872
DA
3589 value = (hsh->stub_offset
3590 + hsh->stub_sec->output_offset
3591 + hsh->stub_sec->output_section->vma
30667bf3
AM
3592 - location);
3593 addend = -8;
3594 }
3595 break;
3596
3597 /* Something we don't know how to handle. */
3598 default:
3599 return bfd_reloc_notsupported;
3600 }
3601
3602 /* Make sure we can reach the stub. */
3603 if (max_branch_offset != 0
3604 && value + addend + max_branch_offset >= 2*max_branch_offset)
3605 {
4eca0228 3606 _bfd_error_handler
695344c0 3607 /* xgettext:c-format */
d003868e
AM
3608 (_("%B(%A+0x%lx): cannot reach %s, recompile with -ffunction-sections"),
3609 input_bfd,
3610 input_section,
d1fa68d3 3611 (long) offset,
a63e02c7 3612 hsh->bh_root.string);
ce757d15 3613 bfd_set_error (bfd_error_bad_value);
30667bf3
AM
3614 return bfd_reloc_notsupported;
3615 }
3616
3617 val = hppa_field_adjust (value, addend, r_field);
3618
3619 switch (r_type)
3620 {
3621 case R_PARISC_PCREL12F:
3622 case R_PARISC_PCREL17C:
3623 case R_PARISC_PCREL17F:
3624 case R_PARISC_PCREL17R:
3625 case R_PARISC_PCREL22F:
3626 case R_PARISC_DIR17F:
3627 case R_PARISC_DIR17R:
3628 /* This is a branch. Divide the offset by four.
3629 Note that we need to decide whether it's a branch or
3630 otherwise by inspecting the reloc. Inspecting insn won't
3631 work as insn might be from a .word directive. */
3632 val >>= 2;
3633 break;
3634
3635 default:
3636 break;
3637 }
3638
3639 insn = hppa_rebuild_insn (insn, val, r_format);
3640
3641 /* Update the instruction word. */
74d1c347 3642 bfd_put_32 (input_bfd, (bfd_vma) insn, hit_data);
30667bf3
AM
3643 return bfd_reloc_ok;
3644}
3645
30667bf3
AM
3646/* Relocate an HPPA ELF section. */
3647
b34976b6 3648static bfd_boolean
c39a58e6
AM
3649elf32_hppa_relocate_section (bfd *output_bfd,
3650 struct bfd_link_info *info,
3651 bfd *input_bfd,
3652 asection *input_section,
3653 bfd_byte *contents,
3654 Elf_Internal_Rela *relocs,
3655 Elf_Internal_Sym *local_syms,
3656 asection **local_sections)
30667bf3 3657{
30667bf3 3658 bfd_vma *local_got_offsets;
83c81bfe 3659 struct elf32_hppa_link_hash_table *htab;
30667bf3 3660 Elf_Internal_Shdr *symtab_hdr;
875c0872 3661 Elf_Internal_Rela *rela;
30667bf3 3662 Elf_Internal_Rela *relend;
30667bf3
AM
3663
3664 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
3665
83c81bfe 3666 htab = hppa_link_hash_table (info);
4dfe6ac6
NC
3667 if (htab == NULL)
3668 return FALSE;
3669
74d1c347 3670 local_got_offsets = elf_local_got_offsets (input_bfd);
30667bf3 3671
875c0872 3672 rela = relocs;
30667bf3 3673 relend = relocs + input_section->reloc_count;
875c0872 3674 for (; rela < relend; rela++)
30667bf3
AM
3675 {
3676 unsigned int r_type;
3677 reloc_howto_type *howto;
3678 unsigned int r_symndx;
875c0872 3679 struct elf32_hppa_link_hash_entry *hh;
30667bf3
AM
3680 Elf_Internal_Sym *sym;
3681 asection *sym_sec;
3682 bfd_vma relocation;
875c0872 3683 bfd_reloc_status_type rstatus;
30667bf3 3684 const char *sym_name;
b34976b6
AM
3685 bfd_boolean plabel;
3686 bfd_boolean warned_undef;
30667bf3 3687
875c0872 3688 r_type = ELF32_R_TYPE (rela->r_info);
30667bf3
AM
3689 if (r_type >= (unsigned int) R_PARISC_UNIMPLEMENTED)
3690 {
3691 bfd_set_error (bfd_error_bad_value);
b34976b6 3692 return FALSE;
30667bf3
AM
3693 }
3694 if (r_type == (unsigned int) R_PARISC_GNU_VTENTRY
3695 || r_type == (unsigned int) R_PARISC_GNU_VTINHERIT)
3696 continue;
3697
875c0872
DA
3698 r_symndx = ELF32_R_SYM (rela->r_info);
3699 hh = NULL;
30667bf3
AM
3700 sym = NULL;
3701 sym_sec = NULL;
b34976b6 3702 warned_undef = FALSE;
30667bf3
AM
3703 if (r_symndx < symtab_hdr->sh_info)
3704 {
3705 /* This is a local symbol, h defaults to NULL. */
3706 sym = local_syms + r_symndx;
3707 sym_sec = local_sections[r_symndx];
875c0872 3708 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sym_sec, rela);
30667bf3
AM
3709 }
3710 else
3711 {
875c0872 3712 struct elf_link_hash_entry *eh;
62d887d4 3713 bfd_boolean unresolved_reloc, ignored;
b2a8e766 3714 struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (input_bfd);
560e09e9 3715
875c0872 3716 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rela,
b2a8e766 3717 r_symndx, symtab_hdr, sym_hashes,
875c0872 3718 eh, sym_sec, relocation,
62d887d4
L
3719 unresolved_reloc, warned_undef,
3720 ignored);
560e09e9 3721
0e1862bb 3722 if (!bfd_link_relocatable (info)
ab96bf03 3723 && relocation == 0
875c0872
DA
3724 && eh->root.type != bfd_link_hash_defined
3725 && eh->root.type != bfd_link_hash_defweak
3726 && eh->root.type != bfd_link_hash_undefweak)
4fc8051d 3727 {
59c2e50f 3728 if (info->unresolved_syms_in_objects == RM_IGNORE
875c0872
DA
3729 && ELF_ST_VISIBILITY (eh->other) == STV_DEFAULT
3730 && eh->type == STT_PARISC_MILLI)
560e09e9 3731 {
1a72702b
AM
3732 (*info->callbacks->undefined_symbol)
3733 (info, eh_name (eh), input_bfd,
3734 input_section, rela->r_offset, FALSE);
560e09e9
NC
3735 warned_undef = TRUE;
3736 }
30667bf3 3737 }
875c0872 3738 hh = hppa_elf_hash_entry (eh);
30667bf3
AM
3739 }
3740
dbaa2011 3741 if (sym_sec != NULL && discarded_section (sym_sec))
e4067dbb 3742 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
545fd46b
MR
3743 rela, 1, relend,
3744 elf_hppa_howto_table + r_type, 0,
e4067dbb 3745 contents);
ab96bf03 3746
0e1862bb 3747 if (bfd_link_relocatable (info))
ab96bf03
AM
3748 continue;
3749
30667bf3 3750 /* Do any required modifications to the relocation value, and
25f72752
AM
3751 determine what types of dynamic info we need to output, if
3752 any. */
74d1c347 3753 plabel = 0;
30667bf3
AM
3754 switch (r_type)
3755 {
3756 case R_PARISC_DLTIND14F:
3757 case R_PARISC_DLTIND14R:
3758 case R_PARISC_DLTIND21L:
ce757d15
AM
3759 {
3760 bfd_vma off;
b34976b6 3761 bfd_boolean do_got = 0;
ce757d15
AM
3762
3763 /* Relocation is to the entry for this symbol in the
3764 global offset table. */
875c0872 3765 if (hh != NULL)
ce757d15 3766 {
b34976b6 3767 bfd_boolean dyn;
ce757d15 3768
a63e02c7
DA
3769 off = hh->eh.got.offset;
3770 dyn = htab->etab.dynamic_sections_created;
0e1862bb
L
3771 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
3772 bfd_link_pic (info),
a63e02c7 3773 &hh->eh))
ce757d15
AM
3774 {
3775 /* If we aren't going to call finish_dynamic_symbol,
3776 then we need to handle initialisation of the .got
3777 entry and create needed relocs here. Since the
3778 offset must always be a multiple of 4, we use the
3779 least significant bit to record whether we have
3780 initialised it already. */
3781 if ((off & 1) != 0)
3782 off &= ~1;
3783 else
3784 {
a63e02c7 3785 hh->eh.got.offset |= 1;
ce757d15
AM
3786 do_got = 1;
3787 }
3788 }
3789 }
3790 else
3791 {
3792 /* Local symbol case. */
3793 if (local_got_offsets == NULL)
3794 abort ();
3795
3796 off = local_got_offsets[r_symndx];
3797
3798 /* The offset must always be a multiple of 4. We use
3799 the least significant bit to record whether we have
3800 already generated the necessary reloc. */
3801 if ((off & 1) != 0)
3802 off &= ~1;
3803 else
3804 {
3805 local_got_offsets[r_symndx] |= 1;
3806 do_got = 1;
3807 }
3808 }
68fb2e56 3809
ce757d15
AM
3810 if (do_got)
3811 {
0e1862bb 3812 if (bfd_link_pic (info))
ce757d15
AM
3813 {
3814 /* Output a dynamic relocation for this GOT entry.
3815 In this case it is relative to the base of the
3816 object because the symbol index is zero. */
3817 Elf_Internal_Rela outrel;
947216bf 3818 bfd_byte *loc;
ce558b89 3819 asection *sec = htab->etab.srelgot;
ce757d15
AM
3820
3821 outrel.r_offset = (off
ce558b89
AM
3822 + htab->etab.sgot->output_offset
3823 + htab->etab.sgot->output_section->vma);
ce757d15
AM
3824 outrel.r_info = ELF32_R_INFO (0, R_PARISC_DIR32);
3825 outrel.r_addend = relocation;
875c0872
DA
3826 loc = sec->contents;
3827 loc += sec->reloc_count++ * sizeof (Elf32_External_Rela);
ce757d15
AM
3828 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
3829 }
3830 else
30667bf3 3831 bfd_put_32 (output_bfd, relocation,
ce558b89 3832 htab->etab.sgot->contents + off);
ce757d15 3833 }
30667bf3 3834
ce757d15
AM
3835 if (off >= (bfd_vma) -2)
3836 abort ();
30667bf3 3837
ce757d15
AM
3838 /* Add the base of the GOT to the relocation value. */
3839 relocation = (off
ce558b89
AM
3840 + htab->etab.sgot->output_offset
3841 + htab->etab.sgot->output_section->vma);
ce757d15 3842 }
30667bf3 3843 break;
252b5132 3844
c46b7515
AM
3845 case R_PARISC_SEGREL32:
3846 /* If this is the first SEGREL relocation, then initialize
3847 the segment base values. */
83c81bfe
AM
3848 if (htab->text_segment_base == (bfd_vma) -1)
3849 bfd_map_over_sections (output_bfd, hppa_record_segment_addr, htab);
c46b7515
AM
3850 break;
3851
30667bf3
AM
3852 case R_PARISC_PLABEL14R:
3853 case R_PARISC_PLABEL21L:
3854 case R_PARISC_PLABEL32:
a63e02c7 3855 if (htab->etab.dynamic_sections_created)
252b5132 3856 {
ce757d15 3857 bfd_vma off;
b34976b6 3858 bfd_boolean do_plt = 0;
74d1c347
AM
3859 /* If we have a global symbol with a PLT slot, then
3860 redirect this relocation to it. */
875c0872 3861 if (hh != NULL)
74d1c347 3862 {
a63e02c7 3863 off = hh->eh.plt.offset;
0e1862bb
L
3864 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (1,
3865 bfd_link_pic (info),
a63e02c7 3866 &hh->eh))
8dea1268
AM
3867 {
3868 /* In a non-shared link, adjust_dynamic_symbols
3869 isn't called for symbols forced local. We
dc810e39 3870 need to write out the plt entry here. */
8dea1268
AM
3871 if ((off & 1) != 0)
3872 off &= ~1;
3873 else
3874 {
a63e02c7 3875 hh->eh.plt.offset |= 1;
ce757d15 3876 do_plt = 1;
8dea1268
AM
3877 }
3878 }
74d1c347
AM
3879 }
3880 else
3881 {
68fb2e56
AM
3882 bfd_vma *local_plt_offsets;
3883
3884 if (local_got_offsets == NULL)
3885 abort ();
74d1c347 3886
68fb2e56
AM
3887 local_plt_offsets = local_got_offsets + symtab_hdr->sh_info;
3888 off = local_plt_offsets[r_symndx];
74d1c347
AM
3889
3890 /* As for the local .got entry case, we use the last
3891 bit to record whether we've already initialised
3892 this local .plt entry. */
3893 if ((off & 1) != 0)
3894 off &= ~1;
ce757d15
AM
3895 else
3896 {
3897 local_plt_offsets[r_symndx] |= 1;
3898 do_plt = 1;
3899 }
3900 }
3901
3902 if (do_plt)
3903 {
0e1862bb 3904 if (bfd_link_pic (info))
ce757d15
AM
3905 {
3906 /* Output a dynamic IPLT relocation for this
3907 PLT entry. */
3908 Elf_Internal_Rela outrel;
947216bf 3909 bfd_byte *loc;
ce558b89 3910 asection *s = htab->etab.srelplt;
ce757d15
AM
3911
3912 outrel.r_offset = (off
ce558b89
AM
3913 + htab->etab.splt->output_offset
3914 + htab->etab.splt->output_section->vma);
ce757d15
AM
3915 outrel.r_info = ELF32_R_INFO (0, R_PARISC_IPLT);
3916 outrel.r_addend = relocation;
947216bf
AM
3917 loc = s->contents;
3918 loc += s->reloc_count++ * sizeof (Elf32_External_Rela);
ce757d15
AM
3919 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
3920 }
74d1c347
AM
3921 else
3922 {
3923 bfd_put_32 (output_bfd,
3924 relocation,
ce558b89 3925 htab->etab.splt->contents + off);
74d1c347 3926 bfd_put_32 (output_bfd,
ce558b89
AM
3927 elf_gp (htab->etab.splt->output_section->owner),
3928 htab->etab.splt->contents + off + 4);
74d1c347
AM
3929 }
3930 }
3931
68fb2e56 3932 if (off >= (bfd_vma) -2)
49e9d0d3 3933 abort ();
74d1c347
AM
3934
3935 /* PLABELs contain function pointers. Relocation is to
3936 the entry for the function in the .plt. The magic +2
3937 offset signals to $$dyncall that the function pointer
3938 is in the .plt and thus has a gp pointer too.
3939 Exception: Undefined PLABELs should have a value of
3940 zero. */
875c0872 3941 if (hh == NULL
a63e02c7
DA
3942 || (hh->eh.root.type != bfd_link_hash_undefweak
3943 && hh->eh.root.type != bfd_link_hash_undefined))
74d1c347
AM
3944 {
3945 relocation = (off
ce558b89
AM
3946 + htab->etab.splt->output_offset
3947 + htab->etab.splt->output_section->vma
74d1c347
AM
3948 + 2);
3949 }
3950 plabel = 1;
30667bf3 3951 }
1a0670f3 3952 /* Fall through. */
30667bf3
AM
3953
3954 case R_PARISC_DIR17F:
3955 case R_PARISC_DIR17R:
47d89dba 3956 case R_PARISC_DIR14F:
30667bf3
AM
3957 case R_PARISC_DIR14R:
3958 case R_PARISC_DIR21L:
3959 case R_PARISC_DPREL14F:
3960 case R_PARISC_DPREL14R:
3961 case R_PARISC_DPREL21L:
3962 case R_PARISC_DIR32:
b1e24c02 3963 if ((input_section->flags & SEC_ALLOC) == 0)
ec338859
AM
3964 break;
3965
30667bf3 3966 /* The reloc types handled here and this conditional
56882138 3967 expression must match the code in ..check_relocs and
ec338859 3968 allocate_dynrelocs. ie. We need exactly the same condition
56882138
AM
3969 as in ..check_relocs, with some extra conditions (dynindx
3970 test in this case) to cater for relocs removed by
ec338859 3971 allocate_dynrelocs. If you squint, the non-shared test
56882138
AM
3972 here does indeed match the one in ..check_relocs, the
3973 difference being that here we test DEF_DYNAMIC as well as
3974 !DEF_REGULAR. All common syms end up with !DEF_REGULAR,
3975 which is why we can't use just that test here.
3976 Conversely, DEF_DYNAMIC can't be used in check_relocs as
3977 there all files have not been loaded. */
0e1862bb 3978 if ((bfd_link_pic (info)
875c0872 3979 && (hh == NULL
a63e02c7
DA
3980 || ELF_ST_VISIBILITY (hh->eh.other) == STV_DEFAULT
3981 || hh->eh.root.type != bfd_link_hash_undefweak)
446f2863 3982 && (IS_ABSOLUTE_RELOC (r_type)
a63e02c7 3983 || !SYMBOL_CALLS_LOCAL (info, &hh->eh)))
0e1862bb 3984 || (!bfd_link_pic (info)
875c0872 3985 && hh != NULL
a63e02c7
DA
3986 && hh->eh.dynindx != -1
3987 && !hh->eh.non_got_ref
4fc8051d 3988 && ((ELIMINATE_COPY_RELOCS
a63e02c7
DA
3989 && hh->eh.def_dynamic
3990 && !hh->eh.def_regular)
3991 || hh->eh.root.type == bfd_link_hash_undefweak
3992 || hh->eh.root.type == bfd_link_hash_undefined)))
30667bf3
AM
3993 {
3994 Elf_Internal_Rela outrel;
b34976b6 3995 bfd_boolean skip;
98ceb8ce 3996 asection *sreloc;
947216bf 3997 bfd_byte *loc;
252b5132 3998
30667bf3
AM
3999 /* When generating a shared object, these relocations
4000 are copied into the output file to be resolved at run
4001 time. */
252b5132 4002
875c0872 4003 outrel.r_addend = rela->r_addend;
c629eae0
JJ
4004 outrel.r_offset =
4005 _bfd_elf_section_offset (output_bfd, info, input_section,
875c0872 4006 rela->r_offset);
0bb2d96a
JJ
4007 skip = (outrel.r_offset == (bfd_vma) -1
4008 || outrel.r_offset == (bfd_vma) -2);
30667bf3
AM
4009 outrel.r_offset += (input_section->output_offset
4010 + input_section->output_section->vma);
68ffbac6 4011
30667bf3 4012 if (skip)
252b5132 4013 {
30667bf3 4014 memset (&outrel, 0, sizeof (outrel));
252b5132 4015 }
875c0872 4016 else if (hh != NULL
a63e02c7 4017 && hh->eh.dynindx != -1
74d1c347 4018 && (plabel
446f2863 4019 || !IS_ABSOLUTE_RELOC (r_type)
0e1862bb 4020 || !bfd_link_pic (info)
a496fbc8 4021 || !SYMBOLIC_BIND (info, &hh->eh)
a63e02c7 4022 || !hh->eh.def_regular))
252b5132 4023 {
a63e02c7 4024 outrel.r_info = ELF32_R_INFO (hh->eh.dynindx, r_type);
30667bf3
AM
4025 }
4026 else /* It's a local symbol, or one marked to become local. */
4027 {
4028 int indx = 0;
edd21aca 4029
30667bf3
AM
4030 /* Add the absolute offset of the symbol. */
4031 outrel.r_addend += relocation;
edd21aca 4032
74d1c347
AM
4033 /* Global plabels need to be processed by the
4034 dynamic linker so that functions have at most one
4035 fptr. For this reason, we need to differentiate
4036 between global and local plabels, which we do by
4037 providing the function symbol for a global plabel
4038 reloc, and no symbol for local plabels. */
4039 if (! plabel
4040 && sym_sec != NULL
30667bf3
AM
4041 && sym_sec->output_section != NULL
4042 && ! bfd_is_abs_section (sym_sec))
252b5132 4043 {
74541ad4
AM
4044 asection *osec;
4045
4046 osec = sym_sec->output_section;
4047 indx = elf_section_data (osec)->dynindx;
4048 if (indx == 0)
4049 {
4050 osec = htab->etab.text_index_section;
4051 indx = elf_section_data (osec)->dynindx;
4052 }
4053 BFD_ASSERT (indx != 0);
4b71bec0 4054
30667bf3
AM
4055 /* We are turning this relocation into one
4056 against a section symbol, so subtract out the
4057 output section's address but not the offset
4058 of the input section in the output section. */
74541ad4 4059 outrel.r_addend -= osec->vma;
252b5132 4060 }
252b5132 4061
30667bf3
AM
4062 outrel.r_info = ELF32_R_INFO (indx, r_type);
4063 }
98ceb8ce
AM
4064 sreloc = elf_section_data (input_section)->sreloc;
4065 if (sreloc == NULL)
4066 abort ();
4067
947216bf
AM
4068 loc = sreloc->contents;
4069 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
98ceb8ce 4070 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
30667bf3
AM
4071 }
4072 break;
68ffbac6 4073
9b52905e
NC
4074 case R_PARISC_TLS_LDM21L:
4075 case R_PARISC_TLS_LDM14R:
4076 {
4077 bfd_vma off;
68ffbac6 4078
9b52905e
NC
4079 off = htab->tls_ldm_got.offset;
4080 if (off & 1)
4081 off &= ~1;
4082 else
4083 {
4084 Elf_Internal_Rela outrel;
4085 bfd_byte *loc;
4086
68ffbac6 4087 outrel.r_offset = (off
ce558b89
AM
4088 + htab->etab.sgot->output_section->vma
4089 + htab->etab.sgot->output_offset);
9b52905e
NC
4090 outrel.r_addend = 0;
4091 outrel.r_info = ELF32_R_INFO (0, R_PARISC_TLS_DTPMOD32);
ce558b89
AM
4092 loc = htab->etab.srelgot->contents;
4093 loc += htab->etab.srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
9b52905e
NC
4094
4095 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
4096 htab->tls_ldm_got.offset |= 1;
4097 }
4098
4099 /* Add the base of the GOT to the relocation value. */
4100 relocation = (off
ce558b89
AM
4101 + htab->etab.sgot->output_offset
4102 + htab->etab.sgot->output_section->vma);
9b52905e
NC
4103
4104 break;
4105 }
4106
4107 case R_PARISC_TLS_LDO21L:
4108 case R_PARISC_TLS_LDO14R:
4109 relocation -= dtpoff_base (info);
4110 break;
4111
4112 case R_PARISC_TLS_GD21L:
4113 case R_PARISC_TLS_GD14R:
4114 case R_PARISC_TLS_IE21L:
4115 case R_PARISC_TLS_IE14R:
4116 {
4117 bfd_vma off;
4118 int indx;
4119 char tls_type;
4120
4121 indx = 0;
4122 if (hh != NULL)
4123 {
4124 bfd_boolean dyn;
4125 dyn = htab->etab.dynamic_sections_created;
4126
0e1862bb
L
4127 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
4128 bfd_link_pic (info),
4129 &hh->eh)
4130 && (!bfd_link_pic (info)
9b52905e
NC
4131 || !SYMBOL_REFERENCES_LOCAL (info, &hh->eh)))
4132 {
4133 indx = hh->eh.dynindx;
4134 }
4135 off = hh->eh.got.offset;
4136 tls_type = hh->tls_type;
4137 }
4138 else
4139 {
4140 off = local_got_offsets[r_symndx];
4141 tls_type = hppa_elf_local_got_tls_type (input_bfd)[r_symndx];
4142 }
4143
4144 if (tls_type == GOT_UNKNOWN)
4145 abort ();
4146
4147 if ((off & 1) != 0)
4148 off &= ~1;
4149 else
4150 {
4151 bfd_boolean need_relocs = FALSE;
4152 Elf_Internal_Rela outrel;
4153 bfd_byte *loc = NULL;
4154 int cur_off = off;
4155
4156 /* The GOT entries have not been initialized yet. Do it
4157 now, and emit any relocations. If both an IE GOT and a
4158 GD GOT are necessary, we emit the GD first. */
4159
0e1862bb 4160 if ((bfd_link_pic (info) || indx != 0)
9b52905e
NC
4161 && (hh == NULL
4162 || ELF_ST_VISIBILITY (hh->eh.other) == STV_DEFAULT
4163 || hh->eh.root.type != bfd_link_hash_undefweak))
4164 {
4165 need_relocs = TRUE;
ce558b89 4166 loc = htab->etab.srelgot->contents;
9b52905e 4167 /* FIXME (CAO): Should this be reloc_count++ ? */
ce558b89 4168 loc += htab->etab.srelgot->reloc_count * sizeof (Elf32_External_Rela);
9b52905e
NC
4169 }
4170
4171 if (tls_type & GOT_TLS_GD)
4172 {
4173 if (need_relocs)
4174 {
4175 outrel.r_offset = (cur_off
ce558b89
AM
4176 + htab->etab.sgot->output_section->vma
4177 + htab->etab.sgot->output_offset);
9b52905e
NC
4178 outrel.r_info = ELF32_R_INFO (indx,R_PARISC_TLS_DTPMOD32);
4179 outrel.r_addend = 0;
ce558b89 4180 bfd_put_32 (output_bfd, 0, htab->etab.sgot->contents + cur_off);
9b52905e 4181 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
ce558b89 4182 htab->etab.srelgot->reloc_count++;
9b52905e
NC
4183 loc += sizeof (Elf32_External_Rela);
4184
4185 if (indx == 0)
4186 bfd_put_32 (output_bfd, relocation - dtpoff_base (info),
ce558b89 4187 htab->etab.sgot->contents + cur_off + 4);
9b52905e
NC
4188 else
4189 {
4190 bfd_put_32 (output_bfd, 0,
ce558b89 4191 htab->etab.sgot->contents + cur_off + 4);
9b52905e
NC
4192 outrel.r_info = ELF32_R_INFO (indx, R_PARISC_TLS_DTPOFF32);
4193 outrel.r_offset += 4;
4194 bfd_elf32_swap_reloca_out (output_bfd, &outrel,loc);
ce558b89 4195 htab->etab.srelgot->reloc_count++;
9b52905e
NC
4196 loc += sizeof (Elf32_External_Rela);
4197 }
4198 }
4199 else
4200 {
4201 /* If we are not emitting relocations for a
4202 general dynamic reference, then we must be in a
4203 static link or an executable link with the
4204 symbol binding locally. Mark it as belonging
4205 to module 1, the executable. */
4206 bfd_put_32 (output_bfd, 1,
ce558b89 4207 htab->etab.sgot->contents + cur_off);
9b52905e 4208 bfd_put_32 (output_bfd, relocation - dtpoff_base (info),
ce558b89 4209 htab->etab.sgot->contents + cur_off + 4);
9b52905e
NC
4210 }
4211
4212
4213 cur_off += 8;
4214 }
4215
4216 if (tls_type & GOT_TLS_IE)
4217 {
4218 if (need_relocs)
4219 {
4220 outrel.r_offset = (cur_off
ce558b89
AM
4221 + htab->etab.sgot->output_section->vma
4222 + htab->etab.sgot->output_offset);
9b52905e
NC
4223 outrel.r_info = ELF32_R_INFO (indx, R_PARISC_TLS_TPREL32);
4224
4225 if (indx == 0)
4226 outrel.r_addend = relocation - dtpoff_base (info);
4227 else
4228 outrel.r_addend = 0;
4229
4230 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
ce558b89 4231 htab->etab.srelgot->reloc_count++;
9b52905e
NC
4232 loc += sizeof (Elf32_External_Rela);
4233 }
4234 else
4235 bfd_put_32 (output_bfd, tpoff (info, relocation),
ce558b89 4236 htab->etab.sgot->contents + cur_off);
9b52905e
NC
4237
4238 cur_off += 4;
4239 }
4240
4241 if (hh != NULL)
4242 hh->eh.got.offset |= 1;
4243 else
4244 local_got_offsets[r_symndx] |= 1;
4245 }
4246
4247 if ((tls_type & GOT_TLS_GD)
4248 && r_type != R_PARISC_TLS_GD21L
4249 && r_type != R_PARISC_TLS_GD14R)
4250 off += 2 * GOT_ENTRY_SIZE;
4251
4252 /* Add the base of the GOT to the relocation value. */
4253 relocation = (off
ce558b89
AM
4254 + htab->etab.sgot->output_offset
4255 + htab->etab.sgot->output_section->vma);
9b52905e
NC
4256
4257 break;
4258 }
4259
4260 case R_PARISC_TLS_LE21L:
4261 case R_PARISC_TLS_LE14R:
4262 {
4263 relocation = tpoff (info, relocation);
4264 break;
4265 }
4266 break;
edd21aca 4267
30667bf3
AM
4268 default:
4269 break;
4270 }
252b5132 4271
875c0872
DA
4272 rstatus = final_link_relocate (input_section, contents, rela, relocation,
4273 htab, sym_sec, hh, info);
252b5132 4274
875c0872 4275 if (rstatus == bfd_reloc_ok)
30667bf3 4276 continue;
252b5132 4277
875c0872 4278 if (hh != NULL)
9b52905e 4279 sym_name = hh_name (hh);
30667bf3
AM
4280 else
4281 {
4282 sym_name = bfd_elf_string_from_elf_section (input_bfd,
4283 symtab_hdr->sh_link,
4284 sym->st_name);
4285 if (sym_name == NULL)
b34976b6 4286 return FALSE;
30667bf3
AM
4287 if (*sym_name == '\0')
4288 sym_name = bfd_section_name (input_bfd, sym_sec);
4289 }
edd21aca 4290
30667bf3 4291 howto = elf_hppa_howto_table + r_type;
252b5132 4292
875c0872 4293 if (rstatus == bfd_reloc_undefined || rstatus == bfd_reloc_notsupported)
30667bf3 4294 {
875c0872 4295 if (rstatus == bfd_reloc_notsupported || !warned_undef)
f09ebc7d 4296 {
4eca0228 4297 _bfd_error_handler
695344c0 4298 /* xgettext:c-format */
d003868e
AM
4299 (_("%B(%A+0x%lx): cannot handle %s for %s"),
4300 input_bfd,
4301 input_section,
875c0872 4302 (long) rela->r_offset,
f09ebc7d
AM
4303 howto->name,
4304 sym_name);
4305 bfd_set_error (bfd_error_bad_value);
b34976b6 4306 return FALSE;
f09ebc7d 4307 }
30667bf3
AM
4308 }
4309 else
1a72702b
AM
4310 (*info->callbacks->reloc_overflow)
4311 (info, (hh ? &hh->eh.root : NULL), sym_name, howto->name,
4312 (bfd_vma) 0, input_bfd, input_section, rela->r_offset);
30667bf3 4313 }
edd21aca 4314
b34976b6 4315 return TRUE;
30667bf3 4316}
252b5132 4317
30667bf3
AM
4318/* Finish up dynamic symbol handling. We set the contents of various
4319 dynamic sections here. */
252b5132 4320
b34976b6 4321static bfd_boolean
c39a58e6
AM
4322elf32_hppa_finish_dynamic_symbol (bfd *output_bfd,
4323 struct bfd_link_info *info,
875c0872 4324 struct elf_link_hash_entry *eh,
c39a58e6 4325 Elf_Internal_Sym *sym)
30667bf3 4326{
83c81bfe 4327 struct elf32_hppa_link_hash_table *htab;
875c0872 4328 Elf_Internal_Rela rela;
a252afa4 4329 bfd_byte *loc;
edd21aca 4330
83c81bfe 4331 htab = hppa_link_hash_table (info);
4dfe6ac6
NC
4332 if (htab == NULL)
4333 return FALSE;
30667bf3 4334
875c0872 4335 if (eh->plt.offset != (bfd_vma) -1)
30667bf3
AM
4336 {
4337 bfd_vma value;
30667bf3 4338
875c0872 4339 if (eh->plt.offset & 1)
8dea1268
AM
4340 abort ();
4341
30667bf3
AM
4342 /* This symbol has an entry in the procedure linkage table. Set
4343 it up.
4344
4345 The format of a plt entry is
74d1c347
AM
4346 <funcaddr>
4347 <__gp>
47d89dba 4348 */
30667bf3 4349 value = 0;
875c0872
DA
4350 if (eh->root.type == bfd_link_hash_defined
4351 || eh->root.type == bfd_link_hash_defweak)
30667bf3 4352 {
875c0872
DA
4353 value = eh->root.u.def.value;
4354 if (eh->root.u.def.section->output_section != NULL)
4355 value += (eh->root.u.def.section->output_offset
4356 + eh->root.u.def.section->output_section->vma);
252b5132 4357 }
edd21aca 4358
a252afa4 4359 /* Create a dynamic IPLT relocation for this entry. */
875c0872 4360 rela.r_offset = (eh->plt.offset
ce558b89
AM
4361 + htab->etab.splt->output_offset
4362 + htab->etab.splt->output_section->vma);
875c0872 4363 if (eh->dynindx != -1)
30667bf3 4364 {
875c0872
DA
4365 rela.r_info = ELF32_R_INFO (eh->dynindx, R_PARISC_IPLT);
4366 rela.r_addend = 0;
30667bf3 4367 }
ce757d15 4368 else
47d89dba 4369 {
a252afa4
DA
4370 /* This symbol has been marked to become local, and is
4371 used by a plabel so must be kept in the .plt. */
875c0872
DA
4372 rela.r_info = ELF32_R_INFO (0, R_PARISC_IPLT);
4373 rela.r_addend = value;
47d89dba
AM
4374 }
4375
ce558b89
AM
4376 loc = htab->etab.srelplt->contents;
4377 loc += htab->etab.srelplt->reloc_count++ * sizeof (Elf32_External_Rela);
4378 bfd_elf32_swap_reloca_out (htab->etab.splt->output_section->owner, &rela, loc);
a252afa4 4379
875c0872 4380 if (!eh->def_regular)
30667bf3
AM
4381 {
4382 /* Mark the symbol as undefined, rather than as defined in
4383 the .plt section. Leave the value alone. */
4384 sym->st_shndx = SHN_UNDEF;
4385 }
4386 }
edd21aca 4387
9b52905e
NC
4388 if (eh->got.offset != (bfd_vma) -1
4389 && (hppa_elf_hash_entry (eh)->tls_type & GOT_TLS_GD) == 0
4390 && (hppa_elf_hash_entry (eh)->tls_type & GOT_TLS_IE) == 0)
30667bf3 4391 {
30667bf3
AM
4392 /* This symbol has an entry in the global offset table. Set it
4393 up. */
4394
875c0872 4395 rela.r_offset = ((eh->got.offset &~ (bfd_vma) 1)
ce558b89
AM
4396 + htab->etab.sgot->output_offset
4397 + htab->etab.sgot->output_section->vma);
30667bf3 4398
4dc86686
AM
4399 /* If this is a -Bsymbolic link and the symbol is defined
4400 locally or was forced to be local because of a version file,
4401 we just want to emit a RELATIVE reloc. The entry in the
4402 global offset table will already have been initialized in the
4403 relocate_section function. */
0e1862bb 4404 if (bfd_link_pic (info)
a496fbc8 4405 && (SYMBOLIC_BIND (info, eh) || eh->dynindx == -1)
875c0872 4406 && eh->def_regular)
30667bf3 4407 {
875c0872
DA
4408 rela.r_info = ELF32_R_INFO (0, R_PARISC_DIR32);
4409 rela.r_addend = (eh->root.u.def.value
4410 + eh->root.u.def.section->output_offset
4411 + eh->root.u.def.section->output_section->vma);
30667bf3
AM
4412 }
4413 else
4414 {
875c0872 4415 if ((eh->got.offset & 1) != 0)
49e9d0d3 4416 abort ();
875c0872 4417
ce558b89 4418 bfd_put_32 (output_bfd, 0, htab->etab.sgot->contents + (eh->got.offset & ~1));
875c0872
DA
4419 rela.r_info = ELF32_R_INFO (eh->dynindx, R_PARISC_DIR32);
4420 rela.r_addend = 0;
30667bf3 4421 }
edd21aca 4422
ce558b89
AM
4423 loc = htab->etab.srelgot->contents;
4424 loc += htab->etab.srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
875c0872 4425 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
30667bf3 4426 }
edd21aca 4427
875c0872 4428 if (eh->needs_copy)
30667bf3 4429 {
875c0872 4430 asection *sec;
30667bf3
AM
4431
4432 /* This symbol needs a copy reloc. Set it up. */
4433
875c0872
DA
4434 if (! (eh->dynindx != -1
4435 && (eh->root.type == bfd_link_hash_defined
4436 || eh->root.type == bfd_link_hash_defweak)))
49e9d0d3 4437 abort ();
30667bf3 4438
875c0872
DA
4439 rela.r_offset = (eh->root.u.def.value
4440 + eh->root.u.def.section->output_offset
4441 + eh->root.u.def.section->output_section->vma);
4442 rela.r_addend = 0;
4443 rela.r_info = ELF32_R_INFO (eh->dynindx, R_PARISC_COPY);
5474d94f
AM
4444 if ((eh->root.u.def.section->flags & SEC_READONLY) != 0)
4445 sec = htab->etab.sreldynrelro;
4446 else
4447 sec = htab->etab.srelbss;
875c0872
DA
4448 loc = sec->contents + sec->reloc_count++ * sizeof (Elf32_External_Rela);
4449 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
30667bf3
AM
4450 }
4451
4452 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */
9637f6ef 4453 if (eh == htab->etab.hdynamic || eh == htab->etab.hgot)
30667bf3
AM
4454 {
4455 sym->st_shndx = SHN_ABS;
4456 }
4457
b34976b6 4458 return TRUE;
30667bf3
AM
4459}
4460
98ceb8ce
AM
4461/* Used to decide how to sort relocs in an optimal manner for the
4462 dynamic linker, before writing them out. */
4463
4464static enum elf_reloc_type_class
7e612e98
AM
4465elf32_hppa_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
4466 const asection *rel_sec ATTRIBUTE_UNUSED,
4467 const Elf_Internal_Rela *rela)
98ceb8ce 4468{
9b52905e 4469 /* Handle TLS relocs first; we don't want them to be marked
cf35638d 4470 relative by the "if (ELF32_R_SYM (rela->r_info) == STN_UNDEF)"
9b52905e
NC
4471 check below. */
4472 switch ((int) ELF32_R_TYPE (rela->r_info))
4473 {
4474 case R_PARISC_TLS_DTPMOD32:
4475 case R_PARISC_TLS_DTPOFF32:
4476 case R_PARISC_TLS_TPREL32:
4477 return reloc_class_normal;
4478 }
4479
cf35638d 4480 if (ELF32_R_SYM (rela->r_info) == STN_UNDEF)
98ceb8ce
AM
4481 return reloc_class_relative;
4482
4483 switch ((int) ELF32_R_TYPE (rela->r_info))
4484 {
4485 case R_PARISC_IPLT:
4486 return reloc_class_plt;
4487 case R_PARISC_COPY:
4488 return reloc_class_copy;
4489 default:
4490 return reloc_class_normal;
4491 }
4492}
4493
30667bf3
AM
4494/* Finish up the dynamic sections. */
4495
b34976b6 4496static bfd_boolean
c39a58e6
AM
4497elf32_hppa_finish_dynamic_sections (bfd *output_bfd,
4498 struct bfd_link_info *info)
30667bf3
AM
4499{
4500 bfd *dynobj;
83c81bfe 4501 struct elf32_hppa_link_hash_table *htab;
30667bf3 4502 asection *sdyn;
894891db 4503 asection * sgot;
30667bf3 4504
83c81bfe 4505 htab = hppa_link_hash_table (info);
4dfe6ac6
NC
4506 if (htab == NULL)
4507 return FALSE;
4508
a63e02c7 4509 dynobj = htab->etab.dynobj;
30667bf3 4510
ce558b89 4511 sgot = htab->etab.sgot;
894891db
NC
4512 /* A broken linker script might have discarded the dynamic sections.
4513 Catch this here so that we do not seg-fault later on. */
4514 if (sgot != NULL && bfd_is_abs_section (sgot->output_section))
4515 return FALSE;
4516
3d4d4302 4517 sdyn = bfd_get_linker_section (dynobj, ".dynamic");
30667bf3 4518
a63e02c7 4519 if (htab->etab.dynamic_sections_created)
30667bf3
AM
4520 {
4521 Elf32_External_Dyn *dyncon, *dynconend;
4522
49e9d0d3
AM
4523 if (sdyn == NULL)
4524 abort ();
30667bf3
AM
4525
4526 dyncon = (Elf32_External_Dyn *) sdyn->contents;
eea6121a 4527 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
30667bf3 4528 for (; dyncon < dynconend; dyncon++)
edd21aca 4529 {
30667bf3
AM
4530 Elf_Internal_Dyn dyn;
4531 asection *s;
4532
4533 bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
4534
4535 switch (dyn.d_tag)
4536 {
4537 default:
3ac8354b 4538 continue;
30667bf3
AM
4539
4540 case DT_PLTGOT:
4541 /* Use PLTGOT to set the GOT register. */
4542 dyn.d_un.d_ptr = elf_gp (output_bfd);
30667bf3
AM
4543 break;
4544
4545 case DT_JMPREL:
ce558b89 4546 s = htab->etab.srelplt;
30667bf3 4547 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
30667bf3
AM
4548 break;
4549
4550 case DT_PLTRELSZ:
ce558b89 4551 s = htab->etab.srelplt;
eea6121a 4552 dyn.d_un.d_val = s->size;
30667bf3
AM
4553 break;
4554 }
3ac8354b
AM
4555
4556 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
edd21aca 4557 }
252b5132 4558 }
edd21aca 4559
894891db 4560 if (sgot != NULL && sgot->size != 0)
30667bf3 4561 {
74d1c347
AM
4562 /* Fill in the first entry in the global offset table.
4563 We use it to point to our dynamic section, if we have one. */
30667bf3 4564 bfd_put_32 (output_bfd,
c39a58e6 4565 sdyn ? sdyn->output_section->vma + sdyn->output_offset : 0,
894891db 4566 sgot->contents);
30667bf3 4567
74d1c347 4568 /* The second entry is reserved for use by the dynamic linker. */
894891db 4569 memset (sgot->contents + GOT_ENTRY_SIZE, 0, GOT_ENTRY_SIZE);
74d1c347 4570
30667bf3 4571 /* Set .got entry size. */
894891db 4572 elf_section_data (sgot->output_section)
74d1c347 4573 ->this_hdr.sh_entsize = GOT_ENTRY_SIZE;
30667bf3
AM
4574 }
4575
ce558b89 4576 if (htab->etab.splt != NULL && htab->etab.splt->size != 0)
47d89dba 4577 {
f3c3938c
JDA
4578 /* Set plt entry size to 0 instead of PLT_ENTRY_SIZE, since we add the
4579 plt stubs and as such the section does not hold a table of fixed-size
4580 entries. */
ce558b89 4581 elf_section_data (htab->etab.splt->output_section)->this_hdr.sh_entsize = 0;
47d89dba 4582
83c81bfe 4583 if (htab->need_plt_stub)
47d89dba
AM
4584 {
4585 /* Set up the .plt stub. */
ce558b89
AM
4586 memcpy (htab->etab.splt->contents
4587 + htab->etab.splt->size - sizeof (plt_stub),
47d89dba
AM
4588 plt_stub, sizeof (plt_stub));
4589
ce558b89
AM
4590 if ((htab->etab.splt->output_offset
4591 + htab->etab.splt->output_section->vma
4592 + htab->etab.splt->size)
894891db
NC
4593 != (sgot->output_offset
4594 + sgot->output_section->vma))
47d89dba 4595 {
4eca0228 4596 _bfd_error_handler
47d89dba 4597 (_(".got section not immediately after .plt section"));
b34976b6 4598 return FALSE;
47d89dba
AM
4599 }
4600 }
4601 }
30667bf3 4602
b34976b6 4603 return TRUE;
30667bf3 4604}
252b5132 4605
30667bf3
AM
4606/* Called when writing out an object file to decide the type of a
4607 symbol. */
4608static int
c39a58e6 4609elf32_hppa_elf_get_symbol_type (Elf_Internal_Sym *elf_sym, int type)
30667bf3
AM
4610{
4611 if (ELF_ST_TYPE (elf_sym->st_info) == STT_PARISC_MILLI)
4612 return STT_PARISC_MILLI;
4613 else
4614 return type;
252b5132
RH
4615}
4616
4617/* Misc BFD support code. */
30667bf3
AM
4618#define bfd_elf32_bfd_is_local_label_name elf_hppa_is_local_label_name
4619#define bfd_elf32_bfd_reloc_type_lookup elf_hppa_reloc_type_lookup
0c8d6e5c 4620#define bfd_elf32_bfd_reloc_name_lookup elf_hppa_reloc_name_lookup
30667bf3
AM
4621#define elf_info_to_howto elf_hppa_info_to_howto
4622#define elf_info_to_howto_rel elf_hppa_info_to_howto_rel
252b5132 4623
252b5132 4624/* Stuff for the BFD linker. */
c46b7515 4625#define bfd_elf32_bfd_final_link elf32_hppa_final_link
30667bf3 4626#define bfd_elf32_bfd_link_hash_table_create elf32_hppa_link_hash_table_create
30667bf3 4627#define elf_backend_adjust_dynamic_symbol elf32_hppa_adjust_dynamic_symbol
ebe50bae 4628#define elf_backend_copy_indirect_symbol elf32_hppa_copy_indirect_symbol
30667bf3
AM
4629#define elf_backend_check_relocs elf32_hppa_check_relocs
4630#define elf_backend_create_dynamic_sections elf32_hppa_create_dynamic_sections
4631#define elf_backend_fake_sections elf_hppa_fake_sections
4632#define elf_backend_relocate_section elf32_hppa_relocate_section
74d1c347 4633#define elf_backend_hide_symbol elf32_hppa_hide_symbol
30667bf3
AM
4634#define elf_backend_finish_dynamic_symbol elf32_hppa_finish_dynamic_symbol
4635#define elf_backend_finish_dynamic_sections elf32_hppa_finish_dynamic_sections
4636#define elf_backend_size_dynamic_sections elf32_hppa_size_dynamic_sections
74541ad4 4637#define elf_backend_init_index_section _bfd_elf_init_1_index_section
30667bf3
AM
4638#define elf_backend_gc_mark_hook elf32_hppa_gc_mark_hook
4639#define elf_backend_gc_sweep_hook elf32_hppa_gc_sweep_hook
edfc032f
AM
4640#define elf_backend_grok_prstatus elf32_hppa_grok_prstatus
4641#define elf_backend_grok_psinfo elf32_hppa_grok_psinfo
30667bf3
AM
4642#define elf_backend_object_p elf32_hppa_object_p
4643#define elf_backend_final_write_processing elf_hppa_final_write_processing
4644#define elf_backend_get_symbol_type elf32_hppa_elf_get_symbol_type
98ceb8ce 4645#define elf_backend_reloc_type_class elf32_hppa_reloc_type_class
8a696751 4646#define elf_backend_action_discarded elf_hppa_action_discarded
30667bf3
AM
4647
4648#define elf_backend_can_gc_sections 1
51b64d56 4649#define elf_backend_can_refcount 1
30667bf3
AM
4650#define elf_backend_plt_alignment 2
4651#define elf_backend_want_got_plt 0
4652#define elf_backend_plt_readonly 0
4653#define elf_backend_want_plt_sym 0
74d1c347 4654#define elf_backend_got_header_size 8
5474d94f 4655#define elf_backend_want_dynrelro 1
f0fe0e16 4656#define elf_backend_rela_normal 1
64f52338 4657#define elf_backend_dtrel_excludes_plt 1
252b5132 4658
6d00b590 4659#define TARGET_BIG_SYM hppa_elf32_vec
252b5132
RH
4660#define TARGET_BIG_NAME "elf32-hppa"
4661#define ELF_ARCH bfd_arch_hppa
ae95ffa6 4662#define ELF_TARGET_ID HPPA32_ELF_DATA
252b5132
RH
4663#define ELF_MACHINE_CODE EM_PARISC
4664#define ELF_MAXPAGESIZE 0x1000
d1036acb 4665#define ELF_OSABI ELFOSABI_HPUX
914dfb0f 4666#define elf32_bed elf32_hppa_hpux_bed
252b5132
RH
4667
4668#include "elf32-target.h"
d952f17a
AM
4669
4670#undef TARGET_BIG_SYM
6d00b590 4671#define TARGET_BIG_SYM hppa_elf32_linux_vec
d952f17a 4672#undef TARGET_BIG_NAME
914dfb0f 4673#define TARGET_BIG_NAME "elf32-hppa-linux"
d1036acb 4674#undef ELF_OSABI
9c55345c 4675#define ELF_OSABI ELFOSABI_GNU
914dfb0f
DA
4676#undef elf32_bed
4677#define elf32_bed elf32_hppa_linux_bed
d952f17a 4678
d952f17a 4679#include "elf32-target.h"
225247f0
JT
4680
4681#undef TARGET_BIG_SYM
6d00b590 4682#define TARGET_BIG_SYM hppa_elf32_nbsd_vec
225247f0 4683#undef TARGET_BIG_NAME
914dfb0f 4684#define TARGET_BIG_NAME "elf32-hppa-netbsd"
d1036acb
L
4685#undef ELF_OSABI
4686#define ELF_OSABI ELFOSABI_NETBSD
914dfb0f
DA
4687#undef elf32_bed
4688#define elf32_bed elf32_hppa_netbsd_bed
225247f0
JT
4689
4690#include "elf32-target.h"
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