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84e94c90 1/* Lattice Mico32-specific support for 32-bit ELF
b3adc24a 2 Copyright (C) 2008-2020 Free Software Foundation, Inc.
84e94c90
NC
3 Contributed by Jon Beniston <jon@beniston.com>
4
5 This file is part of BFD, the Binary File Descriptor library.
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
20 MA 02110-1301, USA. */
21
84e94c90 22#include "sysdep.h"
691bf19c 23#include "bfd.h"
84e94c90
NC
24#include "libbfd.h"
25#include "elf-bfd.h"
26#include "elf/lm32.h"
27
28#define DEFAULT_STACK_SIZE 0x20000
29
30#define PLT_ENTRY_SIZE 20
31
32#define PLT0_ENTRY_WORD0 0
33#define PLT0_ENTRY_WORD1 0
34#define PLT0_ENTRY_WORD2 0
35#define PLT0_ENTRY_WORD3 0
36#define PLT0_ENTRY_WORD4 0
37
38#define PLT0_PIC_ENTRY_WORD0 0
39#define PLT0_PIC_ENTRY_WORD1 0
40#define PLT0_PIC_ENTRY_WORD2 0
41#define PLT0_PIC_ENTRY_WORD3 0
42#define PLT0_PIC_ENTRY_WORD4 0
43
44#define ELF_DYNAMIC_INTERPRETER "/usr/lib/libc.so.1"
45
6d00b590 46extern const bfd_target lm32_elf32_fdpic_vec;
84e94c90 47
6d00b590 48#define IS_FDPIC(bfd) ((bfd)->xvec == &lm32_elf32_fdpic_vec)
84e94c90
NC
49
50static bfd_reloc_status_type lm32_elf_gprel_reloc
51 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
52
84e94c90
NC
53/* lm32 ELF linker hash table. */
54
55struct elf_lm32_link_hash_table
56{
57 struct elf_link_hash_table root;
58
59 /* Short-cuts to get to dynamic linker sections. */
84e94c90 60 asection *sfixup32;
84e94c90
NC
61 asection *sdynbss;
62 asection *srelbss;
63
64 int relocs32;
65};
66
67/* Get the lm32 ELF linker hash table from a link_info structure. */
68
69#define lm32_elf_hash_table(p) \
4dfe6ac6
NC
70 (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
71 == LM32_ELF_DATA ? ((struct elf_lm32_link_hash_table *) ((p)->hash)) : NULL)
84e94c90
NC
72
73#define lm32fdpic_got_section(info) \
ce558b89 74 (lm32_elf_hash_table (info)->root.sgot)
84e94c90 75#define lm32fdpic_gotrel_section(info) \
ce558b89 76 (lm32_elf_hash_table (info)->root.srelgot)
84e94c90
NC
77#define lm32fdpic_fixup32_section(info) \
78 (lm32_elf_hash_table (info)->sfixup32)
79
80struct weak_symbol_list
81{
82 const char *name;
83 struct weak_symbol_list *next;
84};
85
84e94c90
NC
86/* Create an lm32 ELF linker hash table. */
87
88static struct bfd_link_hash_table *
89lm32_elf_link_hash_table_create (bfd *abfd)
90{
91 struct elf_lm32_link_hash_table *ret;
986f0783 92 size_t amt = sizeof (struct elf_lm32_link_hash_table);
84e94c90 93
7bf52ea2 94 ret = bfd_zmalloc (amt);
84e94c90
NC
95 if (ret == NULL)
96 return NULL;
97
98 if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
190eb1dd
L
99 _bfd_elf_link_hash_newfunc,
100 sizeof (struct elf_link_hash_entry),
4dfe6ac6 101 LM32_ELF_DATA))
84e94c90
NC
102 {
103 free (ret);
104 return NULL;
105 }
106
84e94c90
NC
107 return &ret->root.root;
108}
109
110/* Add a fixup to the ROFIXUP section. */
111
112static bfd_vma
113_lm32fdpic_add_rofixup (bfd *output_bfd, asection *rofixup, bfd_vma relocation)
114{
115 bfd_vma fixup_offset;
116
117 if (rofixup->flags & SEC_EXCLUDE)
118 return -1;
119
120 fixup_offset = rofixup->reloc_count * 4;
121 if (rofixup->contents)
122 {
123 BFD_ASSERT (fixup_offset < rofixup->size);
124 if (fixup_offset < rofixup->size)
125 bfd_put_32 (output_bfd, relocation, rofixup->contents + fixup_offset);
126 }
127 rofixup->reloc_count++;
128
129 return fixup_offset;
130}
131
84e94c90
NC
132/* Create .rofixup sections in DYNOBJ, and set up
133 shortcuts to them in our hash table. */
134
135static bfd_boolean
136create_rofixup_section (bfd *dynobj, struct bfd_link_info *info)
137{
138 struct elf_lm32_link_hash_table *htab;
139 htab = lm32_elf_hash_table (info);
140
4dfe6ac6
NC
141 if (htab == NULL)
142 return FALSE;
143
144 /* Fixup section for R_LM32_32 relocs. */
3d4d4302
AM
145 lm32fdpic_fixup32_section (info)
146 = bfd_make_section_anyway_with_flags (dynobj,
147 ".rofixup",
148 (SEC_ALLOC
149 | SEC_LOAD
150 | SEC_HAS_CONTENTS
151 | SEC_IN_MEMORY
152 | SEC_LINKER_CREATED
153 | SEC_READONLY));
84e94c90 154 if (lm32fdpic_fixup32_section (info) == NULL
fd361982 155 || !bfd_set_section_alignment (lm32fdpic_fixup32_section (info), 2))
84e94c90
NC
156 return FALSE;
157
158 return TRUE;
159}
160
161static reloc_howto_type lm32_elf_howto_table [] =
162{
163 /* This reloc does nothing. */
07d6d2b8
AM
164 HOWTO (R_LM32_NONE, /* type */
165 0, /* rightshift */
166 3, /* size (0 = byte, 1 = short, 2 = long) */
167 0, /* bitsize */
168 FALSE, /* pc_relative */
169 0, /* bitpos */
170 complain_overflow_dont, /* complain_on_overflow */
171 bfd_elf_generic_reloc, /* special_function */
172 "R_LM32_NONE", /* name */
173 FALSE, /* partial_inplace */
174 0, /* src_mask */
175 0, /* dst_mask */
176 FALSE), /* pcrel_offset */
84e94c90
NC
177
178 /* An 8 bit absolute relocation. */
07d6d2b8
AM
179 HOWTO (R_LM32_8, /* type */
180 0, /* rightshift */
181 0, /* size (0 = byte, 1 = short, 2 = long) */
182 8, /* bitsize */
183 FALSE, /* pc_relative */
184 0, /* bitpos */
185 complain_overflow_bitfield,/* complain_on_overflow */
186 bfd_elf_generic_reloc, /* special_function */
187 "R_LM32_8", /* name */
188 FALSE, /* partial_inplace */
189 0, /* src_mask */
190 0xff, /* dst_mask */
191 FALSE), /* pcrel_offset */
84e94c90
NC
192
193 /* A 16 bit absolute relocation. */
07d6d2b8
AM
194 HOWTO (R_LM32_16, /* type */
195 0, /* rightshift */
196 1, /* size (0 = byte, 1 = short, 2 = long) */
197 16, /* bitsize */
198 FALSE, /* pc_relative */
199 0, /* bitpos */
200 complain_overflow_bitfield,/* complain_on_overflow */
201 bfd_elf_generic_reloc, /* special_function */
202 "R_LM32_16", /* name */
203 FALSE, /* partial_inplace */
204 0, /* src_mask */
205 0xffff, /* dst_mask */
206 FALSE), /* pcrel_offset */
84e94c90
NC
207
208 /* A 32 bit absolute relocation. */
07d6d2b8
AM
209 HOWTO (R_LM32_32, /* type */
210 0, /* rightshift */
211 2, /* size (0 = byte, 1 = short, 2 = long) */
212 32, /* bitsize */
213 FALSE, /* pc_relative */
214 0, /* bitpos */
215 complain_overflow_bitfield,/* complain_on_overflow */
216 bfd_elf_generic_reloc, /* special_function */
217 "R_LM32_32", /* name */
218 FALSE, /* partial_inplace */
219 0, /* src_mask */
220 0xffffffff, /* dst_mask */
221 FALSE), /* pcrel_offset */
222
223 HOWTO (R_LM32_HI16, /* type */
224 16, /* rightshift */
225 2, /* size (0 = byte, 1 = short, 2 = long) */
226 16, /* bitsize */
227 FALSE, /* pc_relative */
228 0, /* bitpos */
229 complain_overflow_bitfield,/* complain_on_overflow */
230 bfd_elf_generic_reloc, /* special_function */
231 "R_LM32_HI16", /* name */
232 FALSE, /* partial_inplace */
233 0, /* src_mask */
234 0xffff, /* dst_mask */
235 FALSE), /* pcrel_offset */
236
237 HOWTO (R_LM32_LO16, /* type */
238 0, /* rightshift */
239 2, /* size (0 = byte, 1 = short, 2 = long) */
240 16, /* bitsize */
241 FALSE, /* pc_relative */
242 0, /* bitpos */
243 complain_overflow_dont, /* complain_on_overflow */
244 bfd_elf_generic_reloc, /* special_function */
245 "R_LM32_LO16", /* name */
246 FALSE, /* partial_inplace */
247 0, /* src_mask */
248 0xffff, /* dst_mask */
249 FALSE), /* pcrel_offset */
250
251 HOWTO (R_LM32_GPREL16, /* type */
252 0, /* rightshift */
253 2, /* size (0 = byte, 1 = short, 2 = long) */
254 16, /* bitsize */
255 FALSE, /* pc_relative */
256 0, /* bitpos */
257 complain_overflow_dont, /* complain_on_overflow */
258 lm32_elf_gprel_reloc, /* special_function */
259 "R_LM32_GPREL16", /* name */
260 FALSE, /* partial_inplace */
261 0, /* src_mask */
262 0xffff, /* dst_mask */
263 FALSE), /* pcrel_offset */
264
265 HOWTO (R_LM32_CALL, /* type */
266 2, /* rightshift */
267 2, /* size (0 = byte, 1 = short, 2 = long) */
268 26, /* bitsize */
269 TRUE, /* pc_relative */
270 0, /* bitpos */
271 complain_overflow_signed, /* complain_on_overflow */
272 bfd_elf_generic_reloc, /* special_function */
273 "R_LM32_CALL", /* name */
274 FALSE, /* partial_inplace */
275 0, /* src_mask */
276 0x3ffffff, /* dst_mask */
277 TRUE), /* pcrel_offset */
278
279 HOWTO (R_LM32_BRANCH, /* type */
280 2, /* rightshift */
281 2, /* size (0 = byte, 1 = short, 2 = long) */
282 16, /* bitsize */
283 TRUE, /* pc_relative */
284 0, /* bitpos */
285 complain_overflow_signed, /* complain_on_overflow */
286 bfd_elf_generic_reloc, /* special_function */
287 "R_LM32_BRANCH", /* name */
288 FALSE, /* partial_inplace */
289 0, /* src_mask */
290 0xffff, /* dst_mask */
291 TRUE), /* pcrel_offset */
84e94c90
NC
292
293 /* GNU extension to record C++ vtable hierarchy. */
07d6d2b8
AM
294 HOWTO (R_LM32_GNU_VTINHERIT, /* type */
295 0, /* rightshift */
296 2, /* size (0 = byte, 1 = short, 2 = long) */
297 0, /* bitsize */
298 FALSE, /* pc_relative */
299 0, /* bitpos */
300 complain_overflow_dont, /* complain_on_overflow */
301 NULL, /* special_function */
302 "R_LM32_GNU_VTINHERIT", /* name */
303 FALSE, /* partial_inplace */
304 0, /* src_mask */
305 0, /* dst_mask */
306 FALSE), /* pcrel_offset */
84e94c90
NC
307
308 /* GNU extension to record C++ vtable member usage. */
07d6d2b8
AM
309 HOWTO (R_LM32_GNU_VTENTRY, /* type */
310 0, /* rightshift */
311 2, /* size (0 = byte, 1 = short, 2 = long) */
312 0, /* bitsize */
313 FALSE, /* pc_relative */
314 0, /* bitpos */
315 complain_overflow_dont, /* complain_on_overflow */
316 _bfd_elf_rel_vtable_reloc_fn,/* special_function */
317 "R_LM32_GNU_VTENTRY", /* name */
318 FALSE, /* partial_inplace */
319 0, /* src_mask */
320 0, /* dst_mask */
321 FALSE), /* pcrel_offset */
322
323 HOWTO (R_LM32_16_GOT, /* type */
324 0, /* rightshift */
325 2, /* size (0 = byte, 1 = short, 2 = long) */
326 16, /* bitsize */
327 FALSE, /* pc_relative */
328 0, /* bitpos */
329 complain_overflow_signed, /* complain_on_overflow */
330 bfd_elf_generic_reloc, /* special_function */
331 "R_LM32_16_GOT", /* name */
332 FALSE, /* partial_inplace */
333 0, /* src_mask */
334 0xffff, /* dst_mask */
335 FALSE), /* pcrel_offset */
336
337 HOWTO (R_LM32_GOTOFF_HI16, /* type */
338 16, /* rightshift */
339 2, /* size (0 = byte, 1 = short, 2 = long) */
340 16, /* bitsize */
341 FALSE, /* pc_relative */
342 0, /* bitpos */
343 complain_overflow_dont, /* complain_on_overflow */
344 bfd_elf_generic_reloc, /* special_function */
345 "R_LM32_GOTOFF_HI16", /* name */
346 FALSE, /* partial_inplace */
347 0xffff, /* src_mask */
348 0xffff, /* dst_mask */
349 FALSE), /* pcrel_offset */
350
351 HOWTO (R_LM32_GOTOFF_LO16, /* type */
352 0, /* rightshift */
353 2, /* size (0 = byte, 1 = short, 2 = long) */
354 16, /* bitsize */
355 FALSE, /* pc_relative */
356 0, /* bitpos */
357 complain_overflow_dont, /* complain_on_overflow */
358 bfd_elf_generic_reloc, /* special_function */
359 "R_LM32_GOTOFF_LO16", /* name */
360 FALSE, /* partial_inplace */
361 0xffff, /* src_mask */
362 0xffff, /* dst_mask */
363 FALSE), /* pcrel_offset */
84e94c90
NC
364
365 HOWTO (R_LM32_COPY, /* type */
366 0, /* rightshift */
367 2, /* size (0 = byte, 1 = short, 2 = long) */
368 32, /* bitsize */
369 FALSE, /* pc_relative */
370 0, /* bitpos */
371 complain_overflow_bitfield, /* complain_on_overflow */
372 bfd_elf_generic_reloc, /* special_function */
373 "R_LM32_COPY", /* name */
374 FALSE, /* partial_inplace */
375 0xffffffff, /* src_mask */
376 0xffffffff, /* dst_mask */
377 FALSE), /* pcrel_offset */
378
379 HOWTO (R_LM32_GLOB_DAT, /* type */
380 0, /* rightshift */
381 2, /* size (0 = byte, 1 = short, 2 = long) */
382 32, /* bitsize */
383 FALSE, /* pc_relative */
384 0, /* bitpos */
385 complain_overflow_bitfield, /* complain_on_overflow */
386 bfd_elf_generic_reloc, /* special_function */
387 "R_LM32_GLOB_DAT", /* name */
388 FALSE, /* partial_inplace */
389 0xffffffff, /* src_mask */
390 0xffffffff, /* dst_mask */
391 FALSE), /* pcrel_offset */
392
393 HOWTO (R_LM32_JMP_SLOT, /* type */
394 0, /* rightshift */
395 2, /* size (0 = byte, 1 = short, 2 = long) */
396 32, /* bitsize */
397 FALSE, /* pc_relative */
398 0, /* bitpos */
399 complain_overflow_bitfield, /* complain_on_overflow */
400 bfd_elf_generic_reloc, /* special_function */
401 "R_LM32_JMP_SLOT", /* name */
402 FALSE, /* partial_inplace */
403 0xffffffff, /* src_mask */
404 0xffffffff, /* dst_mask */
405 FALSE), /* pcrel_offset */
406
407 HOWTO (R_LM32_RELATIVE, /* type */
408 0, /* rightshift */
409 2, /* size (0 = byte, 1 = short, 2 = long) */
410 32, /* bitsize */
411 FALSE, /* pc_relative */
412 0, /* bitpos */
413 complain_overflow_bitfield, /* complain_on_overflow */
414 bfd_elf_generic_reloc, /* special_function */
415 "R_LM32_RELATIVE", /* name */
416 FALSE, /* partial_inplace */
417 0xffffffff, /* src_mask */
418 0xffffffff, /* dst_mask */
419 FALSE), /* pcrel_offset */
420
421};
422
423/* Map BFD reloc types to lm32 ELF reloc types. */
424
425struct lm32_reloc_map
426{
427 bfd_reloc_code_real_type bfd_reloc_val;
428 unsigned char elf_reloc_val;
429};
430
431static const struct lm32_reloc_map lm32_reloc_map[] =
432{
07d6d2b8
AM
433 { BFD_RELOC_NONE, R_LM32_NONE },
434 { BFD_RELOC_8, R_LM32_8 },
435 { BFD_RELOC_16, R_LM32_16 },
436 { BFD_RELOC_32, R_LM32_32 },
437 { BFD_RELOC_HI16, R_LM32_HI16 },
438 { BFD_RELOC_LO16, R_LM32_LO16 },
439 { BFD_RELOC_GPREL16, R_LM32_GPREL16 },
440 { BFD_RELOC_LM32_CALL, R_LM32_CALL },
441 { BFD_RELOC_LM32_BRANCH, R_LM32_BRANCH },
442 { BFD_RELOC_VTABLE_INHERIT, R_LM32_GNU_VTINHERIT },
443 { BFD_RELOC_VTABLE_ENTRY, R_LM32_GNU_VTENTRY },
444 { BFD_RELOC_LM32_16_GOT, R_LM32_16_GOT },
84e94c90
NC
445 { BFD_RELOC_LM32_GOTOFF_HI16, R_LM32_GOTOFF_HI16 },
446 { BFD_RELOC_LM32_GOTOFF_LO16, R_LM32_GOTOFF_LO16 },
07d6d2b8
AM
447 { BFD_RELOC_LM32_COPY, R_LM32_COPY },
448 { BFD_RELOC_LM32_GLOB_DAT, R_LM32_GLOB_DAT },
449 { BFD_RELOC_LM32_JMP_SLOT, R_LM32_JMP_SLOT },
450 { BFD_RELOC_LM32_RELATIVE, R_LM32_RELATIVE },
84e94c90
NC
451};
452
453static reloc_howto_type *
454lm32_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
07d6d2b8 455 bfd_reloc_code_real_type code)
84e94c90
NC
456{
457 unsigned int i;
458
459 for (i = 0; i < sizeof (lm32_reloc_map) / sizeof (lm32_reloc_map[0]); i++)
460 if (lm32_reloc_map[i].bfd_reloc_val == code)
461 return &lm32_elf_howto_table[lm32_reloc_map[i].elf_reloc_val];
462 return NULL;
463}
464
465static reloc_howto_type *
466lm32_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
467 const char *r_name)
468{
469 unsigned int i;
470
471 for (i = 0;
472 i < sizeof (lm32_elf_howto_table) / sizeof (lm32_elf_howto_table[0]);
473 i++)
474 if (lm32_elf_howto_table[i].name != NULL
475 && strcasecmp (lm32_elf_howto_table[i].name, r_name) == 0)
476 return &lm32_elf_howto_table[i];
477
478 return NULL;
479}
480
481
482/* Set the howto pointer for an Lattice Mico32 ELF reloc. */
483
f3185997 484static bfd_boolean
0aa13fee 485lm32_info_to_howto_rela (bfd *abfd,
07d6d2b8
AM
486 arelent *cache_ptr,
487 Elf_Internal_Rela *dst)
84e94c90
NC
488{
489 unsigned int r_type;
490
491 r_type = ELF32_R_TYPE (dst->r_info);
5860e3f8
NC
492 if (r_type >= (unsigned int) R_LM32_max)
493 {
695344c0 494 /* xgettext:c-format */
0aa13fee
AM
495 _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
496 abfd, r_type);
f3185997
NC
497 bfd_set_error (bfd_error_bad_value);
498 return FALSE;
5860e3f8 499 }
84e94c90 500 cache_ptr->howto = &lm32_elf_howto_table[r_type];
f3185997 501 return TRUE;
84e94c90
NC
502}
503
504/* Set the right machine number for an Lattice Mico32 ELF file. */
505
506static bfd_boolean
507lm32_elf_object_p (bfd *abfd)
508{
509 return bfd_default_set_arch_mach (abfd, bfd_arch_lm32, bfd_mach_lm32);
510}
511
512/* Set machine type flags just before file is written out. */
513
cc364be6
AM
514static bfd_boolean
515lm32_elf_final_write_processing (bfd *abfd)
84e94c90
NC
516{
517 elf_elfheader (abfd)->e_machine = EM_LATTICEMICO32;
518 elf_elfheader (abfd)->e_flags &=~ EF_LM32_MACH;
519 switch (bfd_get_mach (abfd))
520 {
521 case bfd_mach_lm32:
07d6d2b8
AM
522 elf_elfheader (abfd)->e_flags |= E_LM32_MACH;
523 break;
84e94c90 524 default:
07d6d2b8 525 abort ();
84e94c90 526 }
cc364be6 527 return _bfd_elf_final_write_processing (abfd);
84e94c90
NC
528}
529
530/* Set the GP value for OUTPUT_BFD. Returns FALSE if this is a
531 dangerous relocation. */
532
533static bfd_boolean
534lm32_elf_assign_gp (bfd *output_bfd, bfd_vma *pgp)
535{
536 unsigned int count;
537 asymbol **sym;
538 unsigned int i;
539
540 /* If we've already figured out what GP will be, just return it. */
541 *pgp = _bfd_get_gp_value (output_bfd);
542 if (*pgp)
543 return TRUE;
544
545 count = bfd_get_symcount (output_bfd);
546 sym = bfd_get_outsymbols (output_bfd);
547
548 /* The linker script will have created a symbol named `_gp' with the
549 appropriate value. */
550 if (sym == NULL)
551 i = count;
552 else
553 {
554 for (i = 0; i < count; i++, sym++)
555 {
556 const char *name;
557
558 name = bfd_asymbol_name (*sym);
559 if (*name == '_' && strcmp (name, "_gp") == 0)
560 {
561 *pgp = bfd_asymbol_value (*sym);
562 _bfd_set_gp_value (output_bfd, *pgp);
563 break;
564 }
565 }
566 }
567
568 if (i >= count)
569 {
570 /* Only get the error once. */
571 *pgp = 4;
572 _bfd_set_gp_value (output_bfd, *pgp);
573 return FALSE;
574 }
575
576 return TRUE;
577}
578
579/* We have to figure out the gp value, so that we can adjust the
580 symbol value correctly. We look up the symbol _gp in the output
581 BFD. If we can't find it, we're stuck. We cache it in the ELF
582 target data. We don't need to adjust the symbol value for an
583 external symbol if we are producing relocatable output. */
584
585static bfd_reloc_status_type
586lm32_elf_final_gp (bfd *output_bfd, asymbol *symbol, bfd_boolean relocatable,
07d6d2b8 587 char **error_message, bfd_vma *pgp)
84e94c90
NC
588{
589 if (bfd_is_und_section (symbol->section) && !relocatable)
590 {
591 *pgp = 0;
592 return bfd_reloc_undefined;
593 }
594
595 *pgp = _bfd_get_gp_value (output_bfd);
596 if (*pgp == 0 && (!relocatable || (symbol->flags & BSF_SECTION_SYM) != 0))
597 {
598 if (relocatable)
599 {
600 /* Make up a value. */
601 *pgp = symbol->section->output_section->vma + 0x4000;
602 _bfd_set_gp_value (output_bfd, *pgp);
603 }
604 else if (!lm32_elf_assign_gp (output_bfd, pgp))
605 {
606 *error_message =
607 (char *)
608 _("global pointer relative relocation when _gp not defined");
609 return bfd_reloc_dangerous;
610 }
611 }
612
613 return bfd_reloc_ok;
614}
615
616static bfd_reloc_status_type
617lm32_elf_do_gprel_relocate (bfd *abfd,
618 reloc_howto_type *howto,
619 asection *input_section ATTRIBUTE_UNUSED,
620 bfd_byte *data,
621 bfd_vma offset,
622 bfd_vma symbol_value,
623 bfd_vma addend)
624{
625 return _bfd_final_link_relocate (howto, abfd, input_section,
626 data, offset, symbol_value, addend);
627}
628
629static bfd_reloc_status_type
630lm32_elf_gprel_reloc (bfd *abfd,
631 arelent *reloc_entry,
632 asymbol *symbol,
633 void *data,
634 asection *input_section,
635 bfd *output_bfd,
636 char **msg)
637{
638 bfd_vma relocation;
639 bfd_vma gp;
640 bfd_reloc_status_type r;
641
642 if (output_bfd != (bfd *) NULL
643 && (symbol->flags & BSF_SECTION_SYM) == 0
644 && (!reloc_entry->howto->partial_inplace || reloc_entry->addend == 0))
645 {
646 reloc_entry->address += input_section->output_offset;
647 return bfd_reloc_ok;
648 }
649
650 if (output_bfd != NULL)
651 return bfd_reloc_ok;
652
653 relocation = symbol->value
654 + symbol->section->output_section->vma + symbol->section->output_offset;
655
656 if ((r =
657 lm32_elf_final_gp (abfd, symbol, FALSE, msg, &gp)) == bfd_reloc_ok)
658 {
659 relocation = relocation + reloc_entry->addend - gp;
660 reloc_entry->addend = 0;
661 if ((signed) relocation < -32768 || (signed) relocation > 32767)
662 {
663 *msg = _("global pointer relative address out of range");
664 r = bfd_reloc_outofrange;
665 }
666 else
667 {
668 r = lm32_elf_do_gprel_relocate (abfd, reloc_entry->howto,
669 input_section,
670 data, reloc_entry->address,
671 relocation, reloc_entry->addend);
672 }
673 }
674
675 return r;
676}
677
678/* Find the segment number in which OSEC, and output section, is
679 located. */
680
681static unsigned
682_lm32fdpic_osec_to_segment (bfd *output_bfd, asection *osec)
683{
684 struct elf_segment_map *m;
685 Elf_Internal_Phdr *p;
686
687 /* Find the segment that contains the output_section. */
12bd6957 688 for (m = elf_seg_map (output_bfd), p = elf_tdata (output_bfd)->phdr;
84e94c90
NC
689 m != NULL;
690 m = m->next, p++)
691 {
692 int i;
693
694 for (i = m->count - 1; i >= 0; i--)
695 if (m->sections[i] == osec)
696 break;
697
698 if (i >= 0)
699 break;
700 }
701
702 return p - elf_tdata (output_bfd)->phdr;
703}
704
705/* Determine if an output section is read-only. */
706
707inline static bfd_boolean
708_lm32fdpic_osec_readonly_p (bfd *output_bfd, asection *osec)
709{
710 unsigned seg = _lm32fdpic_osec_to_segment (output_bfd, osec);
711
712 return ! (elf_tdata (output_bfd)->phdr[seg].p_flags & PF_W);
713}
714
715/* Relocate a section */
716
717static bfd_boolean
718lm32_elf_relocate_section (bfd *output_bfd,
07d6d2b8
AM
719 struct bfd_link_info *info,
720 bfd *input_bfd,
721 asection *input_section,
722 bfd_byte *contents,
723 Elf_Internal_Rela *relocs,
724 Elf_Internal_Sym *local_syms,
725 asection **local_sections)
84e94c90
NC
726{
727 Elf_Internal_Shdr *symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
728 struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (input_bfd);
729 Elf_Internal_Rela *rel, *relend;
84e94c90 730 struct elf_lm32_link_hash_table *htab = lm32_elf_hash_table (info);
84e94c90 731 bfd_vma *local_got_offsets;
c7e2358a 732 asection *sgot;
84e94c90 733
4dfe6ac6
NC
734 if (htab == NULL)
735 return FALSE;
736
84e94c90
NC
737 local_got_offsets = elf_local_got_offsets (input_bfd);
738
ce558b89 739 sgot = htab->root.sgot;
84e94c90
NC
740
741 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
742 sym_hashes = elf_sym_hashes (input_bfd);
743
744 rel = relocs;
745 relend = relocs + input_section->reloc_count;
746 for (; rel < relend; rel++)
747 {
748 reloc_howto_type *howto;
749 unsigned int r_type;
750 unsigned long r_symndx;
751 Elf_Internal_Sym *sym;
752 asection *sec;
753 struct elf_link_hash_entry *h;
754 bfd_vma relocation;
755 bfd_vma gp;
756 bfd_reloc_status_type r;
757 const char *name = NULL;
84e94c90
NC
758
759 r_symndx = ELF32_R_SYM (rel->r_info);
760 r_type = ELF32_R_TYPE (rel->r_info);
761
762 if (r_type == R_LM32_GNU_VTENTRY
07d6d2b8
AM
763 || r_type == R_LM32_GNU_VTINHERIT )
764 continue;
84e94c90
NC
765
766 h = NULL;
767 sym = NULL;
768 sec = NULL;
769
770 howto = lm32_elf_howto_table + r_type;
771
772 if (r_symndx < symtab_hdr->sh_info)
07d6d2b8
AM
773 {
774 /* It's a local symbol. */
775 sym = local_syms + r_symndx;
776 sec = local_sections[r_symndx];
777 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
778 name = bfd_elf_string_from_elf_section
84e94c90 779 (input_bfd, symtab_hdr->sh_link, sym->st_name);
fd361982 780 name = name == NULL ? bfd_section_name (sec) : name;
07d6d2b8 781 }
84e94c90 782 else
07d6d2b8
AM
783 {
784 /* It's a global symbol. */
785 bfd_boolean unresolved_reloc;
62d887d4 786 bfd_boolean warned, ignored;
84e94c90
NC
787
788 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
789 r_symndx, symtab_hdr, sym_hashes,
790 h, sec, relocation,
62d887d4 791 unresolved_reloc, warned, ignored);
84e94c90 792 name = h->root.root.string;
07d6d2b8 793 }
84e94c90 794
dbaa2011 795 if (sec != NULL && discarded_section (sec))
e4067dbb 796 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
545fd46b 797 rel, 1, relend, howto, 0, contents);
84e94c90 798
0e1862bb 799 if (bfd_link_relocatable (info))
07d6d2b8 800 {
84e94c90
NC
801 /* This is a relocatable link. We don't have to change
802 anything, unless the reloc is against a section symbol,
803 in which case we have to adjust according to where the
804 section symbol winds up in the output section. */
805 if (sym == NULL || ELF_ST_TYPE (sym->st_info) != STT_SECTION)
806 continue;
807
808 /* If partial_inplace, we need to store any additional addend
809 back in the section. */
810 if (! howto->partial_inplace)
811 continue;
812
07d6d2b8 813 /* Shouldn't reach here. */
84e94c90
NC
814 abort ();
815 r = bfd_reloc_ok;
07d6d2b8 816 }
84e94c90 817 else
07d6d2b8
AM
818 {
819 switch (howto->type)
820 {
821 case R_LM32_GPREL16:
822 if (!lm32_elf_assign_gp (output_bfd, &gp))
823 r = bfd_reloc_dangerous;
824 else
825 {
826 relocation = relocation + rel->r_addend - gp;
827 rel->r_addend = 0;
828 if ((signed)relocation < -32768 || (signed)relocation > 32767)
829 r = bfd_reloc_outofrange;
830 else
831 {
832 r = _bfd_final_link_relocate (howto, input_bfd,
833 input_section, contents,
834 rel->r_offset, relocation,
835 rel->r_addend);
836 }
837 }
838 break;
839 case R_LM32_16_GOT:
840 /* Relocation is to the entry for this symbol in the global
841 offset table. */
842 BFD_ASSERT (sgot != NULL);
843 if (h != NULL)
844 {
845 bfd_boolean dyn;
846 bfd_vma off;
847
848 off = h->got.offset;
849 BFD_ASSERT (off != (bfd_vma) -1);
850
851 dyn = htab->root.dynamic_sections_created;
852 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
0e1862bb
L
853 bfd_link_pic (info),
854 h)
07d6d2b8
AM
855 || (bfd_link_pic (info)
856 && (info->symbolic
857 || h->dynindx == -1
858 || h->forced_local)
859 && h->def_regular))
860 {
861 /* This is actually a static link, or it is a
862 -Bsymbolic link and the symbol is defined
863 locally, or the symbol was forced to be local
864 because of a version file. We must initialize
865 this entry in the global offset table. Since the
866 offset must always be a multiple of 4, we use the
867 least significant bit to record whether we have
868 initialized it already.
869
870 When doing a dynamic link, we create a .rela.got
871 relocation entry to initialize the value. This
872 is done in the finish_dynamic_symbol routine. */
873 if ((off & 1) != 0)
874 off &= ~1;
875 else
876 {
877 /* Write entry in GOT */
878 bfd_put_32 (output_bfd, relocation,
879 sgot->contents + off);
880 /* Create entry in .rofixup pointing to GOT entry. */
881 if (IS_FDPIC (output_bfd) && h->root.type != bfd_link_hash_undefweak)
882 {
883 _lm32fdpic_add_rofixup (output_bfd,
884 lm32fdpic_fixup32_section
885 (info),
886 sgot->output_section->vma
887 + sgot->output_offset
888 + off);
889 }
890 /* Mark GOT entry as having been written. */
891 h->got.offset |= 1;
892 }
893 }
894
895 relocation = sgot->output_offset + off;
896 }
897 else
898 {
899 bfd_vma off;
900 bfd_byte *loc;
901
902 BFD_ASSERT (local_got_offsets != NULL
903 && local_got_offsets[r_symndx] != (bfd_vma) -1);
904
905 /* Get offset into GOT table. */
906 off = local_got_offsets[r_symndx];
907
908 /* The offset must always be a multiple of 4. We use
909 the least significant bit to record whether we have
910 already processed this entry. */
911 if ((off & 1) != 0)
912 off &= ~1;
913 else
914 {
915 /* Write entry in GOT. */
916 bfd_put_32 (output_bfd, relocation, sgot->contents + off);
917 /* Create entry in .rofixup pointing to GOT entry. */
918 if (IS_FDPIC (output_bfd))
919 {
920 _lm32fdpic_add_rofixup (output_bfd,
921 lm32fdpic_fixup32_section
922 (info),
923 sgot->output_section->vma
924 + sgot->output_offset
925 + off);
926 }
927
928 if (bfd_link_pic (info))
929 {
930 asection *srelgot;
931 Elf_Internal_Rela outrel;
932
933 /* We need to generate a R_LM32_RELATIVE reloc
934 for the dynamic linker. */
935 srelgot = htab->root.srelgot;
936 BFD_ASSERT (srelgot != NULL);
937
938 outrel.r_offset = (sgot->output_section->vma
939 + sgot->output_offset
940 + off);
941 outrel.r_info = ELF32_R_INFO (0, R_LM32_RELATIVE);
942 outrel.r_addend = relocation;
943 loc = srelgot->contents;
944 loc += srelgot->reloc_count * sizeof (Elf32_External_Rela);
945 bfd_elf32_swap_reloca_out (output_bfd, &outrel,loc);
946 ++srelgot->reloc_count;
947 }
948
949 local_got_offsets[r_symndx] |= 1;
950 }
951
952
953 relocation = sgot->output_offset + off;
954 }
955
956 /* Addend should be zero. */
957 if (rel->r_addend != 0)
38f14ab8
AM
958 _bfd_error_handler
959 (_("internal error: addend should be zero for %s"),
960 "R_LM32_16_GOT");
84e94c90 961
07d6d2b8
AM
962 r = _bfd_final_link_relocate (howto,
963 input_bfd,
964 input_section,
965 contents,
966 rel->r_offset,
967 relocation,
968 rel->r_addend);
969 break;
970
971 case R_LM32_GOTOFF_LO16:
972 case R_LM32_GOTOFF_HI16:
973 /* Relocation is offset from GOT. */
84e94c90
NC
974 BFD_ASSERT (sgot != NULL);
975 relocation -= sgot->output_section->vma;
976 /* Account for sign-extension. */
07d6d2b8
AM
977 if ((r_type == R_LM32_GOTOFF_HI16)
978 && ((relocation + rel->r_addend) & 0x8000))
979 rel->r_addend += 0x10000;
980 r = _bfd_final_link_relocate (howto,
981 input_bfd,
982 input_section,
983 contents,
984 rel->r_offset,
985 relocation,
986 rel->r_addend);
987 break;
988
989 case R_LM32_32:
990 if (IS_FDPIC (output_bfd))
991 {
992 if ((!h) || (h && h->root.type != bfd_link_hash_undefweak))
993 {
994 /* Only create .rofixup entries for relocs in loadable sections. */
fd361982 995 if ((bfd_section_flags (input_section->output_section)
07d6d2b8
AM
996 & (SEC_ALLOC | SEC_LOAD)) == (SEC_ALLOC | SEC_LOAD))
997
998 {
999 /* Check address to be modified is writable. */
1000 if (_lm32fdpic_osec_readonly_p (output_bfd,
1001 input_section
1002 ->output_section))
1003 {
1004 info->callbacks->warning
1005 (info,
1006 _("cannot emit dynamic relocations in read-only section"),
1007 name, input_bfd, input_section, rel->r_offset);
1008 return FALSE;
1009 }
1010 /* Create entry in .rofixup section. */
1011 _lm32fdpic_add_rofixup (output_bfd,
1012 lm32fdpic_fixup32_section (info),
1013 input_section->output_section->vma
1014 + input_section->output_offset
1015 + rel->r_offset);
1016 }
1017 }
1018 }
1019 /* Fall through. */
1020
1021 default:
1022 r = _bfd_final_link_relocate (howto,
1023 input_bfd,
1024 input_section,
1025 contents,
1026 rel->r_offset,
1027 relocation,
1028 rel->r_addend);
1029 break;
1030 }
1031 }
84e94c90
NC
1032
1033 if (r != bfd_reloc_ok)
07d6d2b8
AM
1034 {
1035 const char *msg = NULL;
1036 arelent bfd_reloc;
1037
f3185997
NC
1038 if (! lm32_info_to_howto_rela (input_bfd, &bfd_reloc, rel))
1039 continue;
07d6d2b8
AM
1040 howto = bfd_reloc.howto;
1041
1042 if (h != NULL)
1043 name = h->root.root.string;
1044 else
1045 {
1046 name = (bfd_elf_string_from_elf_section
1047 (input_bfd, symtab_hdr->sh_link, sym->st_name));
1048 if (name == NULL || *name == '\0')
fd361982 1049 name = bfd_section_name (sec);
07d6d2b8
AM
1050 }
1051
1052 switch (r)
1053 {
84e94c90
NC
1054 case bfd_reloc_overflow:
1055 if ((h != NULL)
07d6d2b8
AM
1056 && (h->root.type == bfd_link_hash_undefweak))
1057 break;
1a72702b
AM
1058 (*info->callbacks->reloc_overflow)
1059 (info, (h ? &h->root : NULL), name, howto->name,
1060 (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
84e94c90
NC
1061 break;
1062
07d6d2b8 1063 case bfd_reloc_undefined:
1a72702b
AM
1064 (*info->callbacks->undefined_symbol)
1065 (info, name, input_bfd, input_section, rel->r_offset, TRUE);
07d6d2b8 1066 break;
84e94c90 1067
07d6d2b8
AM
1068 case bfd_reloc_outofrange:
1069 msg = _("internal error: out of range error");
1070 goto common_error;
84e94c90 1071
07d6d2b8
AM
1072 case bfd_reloc_notsupported:
1073 msg = _("internal error: unsupported relocation error");
1074 goto common_error;
84e94c90 1075
07d6d2b8
AM
1076 case bfd_reloc_dangerous:
1077 msg = _("internal error: dangerous error");
1078 goto common_error;
84e94c90 1079
07d6d2b8
AM
1080 default:
1081 msg = _("internal error: unknown error");
1082 /* fall through */
84e94c90 1083
07d6d2b8 1084 common_error:
1a72702b
AM
1085 (*info->callbacks->warning) (info, msg, name, input_bfd,
1086 input_section, rel->r_offset);
07d6d2b8
AM
1087 break;
1088 }
1089 }
84e94c90
NC
1090 }
1091
1092 return TRUE;
1093}
1094
1095static asection *
1096lm32_elf_gc_mark_hook (asection *sec,
07d6d2b8
AM
1097 struct bfd_link_info *info,
1098 Elf_Internal_Rela *rel,
1099 struct elf_link_hash_entry *h,
1100 Elf_Internal_Sym *sym)
84e94c90
NC
1101{
1102 if (h != NULL)
1103 switch (ELF32_R_TYPE (rel->r_info))
1104 {
1105 case R_LM32_GNU_VTINHERIT:
1106 case R_LM32_GNU_VTENTRY:
1107 return NULL;
1108 }
1109
1110 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
1111}
1112
84e94c90
NC
1113/* Look through the relocs for a section during the first phase. */
1114
1115static bfd_boolean
1116lm32_elf_check_relocs (bfd *abfd,
07d6d2b8
AM
1117 struct bfd_link_info *info,
1118 asection *sec,
1119 const Elf_Internal_Rela *relocs)
84e94c90
NC
1120{
1121 Elf_Internal_Shdr *symtab_hdr;
1122 struct elf_link_hash_entry **sym_hashes, **sym_hashes_end;
1123 const Elf_Internal_Rela *rel;
1124 const Elf_Internal_Rela *rel_end;
1125 struct elf_lm32_link_hash_table *htab;
1126 bfd *dynobj;
84e94c90 1127
0e1862bb 1128 if (bfd_link_relocatable (info))
84e94c90
NC
1129 return TRUE;
1130
84e94c90
NC
1131 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
1132 sym_hashes = elf_sym_hashes (abfd);
1133 sym_hashes_end = sym_hashes + symtab_hdr->sh_size/sizeof (Elf32_External_Sym);
1134 if (!elf_bad_symtab (abfd))
1135 sym_hashes_end -= symtab_hdr->sh_info;
1136
1137 htab = lm32_elf_hash_table (info);
4dfe6ac6
NC
1138 if (htab == NULL)
1139 return FALSE;
1140
84e94c90 1141 dynobj = htab->root.dynobj;
84e94c90
NC
1142
1143 rel_end = relocs + sec->reloc_count;
1144 for (rel = relocs; rel < rel_end; rel++)
1145 {
1146 int r_type;
1147 struct elf_link_hash_entry *h;
1148 unsigned long r_symndx;
1149
1150 r_symndx = ELF32_R_SYM (rel->r_info);
1151 r_type = ELF32_R_TYPE (rel->r_info);
1152 if (r_symndx < symtab_hdr->sh_info)
07d6d2b8 1153 h = NULL;
84e94c90
NC
1154 else
1155 {
1156 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1157 while (h->root.type == bfd_link_hash_indirect
1158 || h->root.type == bfd_link_hash_warning)
1159 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1160 }
1161
1162 /* Some relocs require a global offset table. */
ce558b89 1163 if (htab->root.sgot == NULL)
07d6d2b8
AM
1164 {
1165 switch (r_type)
1166 {
1167 case R_LM32_16_GOT:
1168 case R_LM32_GOTOFF_HI16:
1169 case R_LM32_GOTOFF_LO16:
1170 if (dynobj == NULL)
1171 htab->root.dynobj = dynobj = abfd;
1172 if (!_bfd_elf_create_got_section (dynobj, info))
1173 return FALSE;
1174 break;
1175 }
1176 }
84e94c90
NC
1177
1178 /* Some relocs require a rofixup table. */
1179 if (IS_FDPIC (abfd))
07d6d2b8
AM
1180 {
1181 switch (r_type)
1182 {
1183 case R_LM32_32:
1184 /* FDPIC requires a GOT if there is a .rofixup section
1185 (Normal ELF doesn't). */
1186 if (dynobj == NULL)
1187 htab->root.dynobj = dynobj = abfd;
1188 if (!_bfd_elf_create_got_section (dynobj, info))
1189 return FALSE;
1190 /* Create .rofixup section */
1191 if (htab->sfixup32 == NULL)
1192 {
1193 if (! create_rofixup_section (dynobj, info))
1194 return FALSE;
1195 }
1196 break;
1197 case R_LM32_16_GOT:
1198 case R_LM32_GOTOFF_HI16:
1199 case R_LM32_GOTOFF_LO16:
1200 /* Create .rofixup section. */
1201 if (htab->sfixup32 == NULL)
1202 {
3d4d4302
AM
1203 if (dynobj == NULL)
1204 htab->root.dynobj = dynobj = abfd;
07d6d2b8
AM
1205 if (! create_rofixup_section (dynobj, info))
1206 return FALSE;
1207 }
1208 break;
1209 }
1210 }
84e94c90
NC
1211
1212 switch (r_type)
1213 {
1214 case R_LM32_16_GOT:
07d6d2b8
AM
1215 if (h != NULL)
1216 h->got.refcount += 1;
1217 else
1218 {
1219 bfd_signed_vma *local_got_refcounts;
1220
1221 /* This is a global offset table entry for a local symbol. */
1222 local_got_refcounts = elf_local_got_refcounts (abfd);
1223 if (local_got_refcounts == NULL)
1224 {
1225 bfd_size_type size;
1226
1227 size = symtab_hdr->sh_info;
1228 size *= sizeof (bfd_signed_vma);
1229 local_got_refcounts = bfd_zalloc (abfd, size);
1230 if (local_got_refcounts == NULL)
1231 return FALSE;
1232 elf_local_got_refcounts (abfd) = local_got_refcounts;
1233 }
1234 local_got_refcounts[r_symndx] += 1;
1235 }
1236 break;
1237
1238 /* This relocation describes the C++ object vtable hierarchy.
1239 Reconstruct it for later use during GC. */
1240 case R_LM32_GNU_VTINHERIT:
1241 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
1242 return FALSE;
1243 break;
1244
1245 /* This relocation describes which C++ vtable entries are actually
1246 used. Record for later use during GC. */
1247 case R_LM32_GNU_VTENTRY:
1248 if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
1249 return FALSE;
1250 break;
1251
1252 }
84e94c90
NC
1253 }
1254
1255 return TRUE;
1256}
1257
1258/* Finish up the dynamic sections. */
1259
1260static bfd_boolean
1261lm32_elf_finish_dynamic_sections (bfd *output_bfd,
1262 struct bfd_link_info *info)
1263{
1264 struct elf_lm32_link_hash_table *htab;
1265 bfd *dynobj;
1266 asection *sdyn;
1267 asection *sgot;
1268
1269 htab = lm32_elf_hash_table (info);
4dfe6ac6
NC
1270 if (htab == NULL)
1271 return FALSE;
1272
84e94c90
NC
1273 dynobj = htab->root.dynobj;
1274
ce558b89 1275 sgot = htab->root.sgotplt;
3d4d4302 1276 sdyn = bfd_get_linker_section (dynobj, ".dynamic");
84e94c90
NC
1277
1278 if (htab->root.dynamic_sections_created)
1279 {
1280 asection *splt;
1281 Elf32_External_Dyn *dyncon, *dynconend;
1282
1283 BFD_ASSERT (sgot != NULL && sdyn != NULL);
1284
1285 dyncon = (Elf32_External_Dyn *) sdyn->contents;
1286 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
1287
1288 for (; dyncon < dynconend; dyncon++)
07d6d2b8
AM
1289 {
1290 Elf_Internal_Dyn dyn;
1291 asection *s;
1292
1293 bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
1294
1295 switch (dyn.d_tag)
1296 {
1297 default:
1298 break;
1299
1300 case DT_PLTGOT:
1301 s = htab->root.sgotplt;
1302 goto get_vma;
1303 case DT_JMPREL:
1304 s = htab->root.srelplt;
1305 get_vma:
1306 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
1307 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
1308 break;
1309
1310 case DT_PLTRELSZ:
1311 s = htab->root.srelplt;
84e94c90 1312 dyn.d_un.d_val = s->size;
07d6d2b8
AM
1313 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
1314 break;
1315 }
1316 }
84e94c90
NC
1317
1318 /* Fill in the first entry in the procedure linkage table. */
ce558b89 1319 splt = htab->root.splt;
84e94c90 1320 if (splt && splt->size > 0)
07d6d2b8
AM
1321 {
1322 if (bfd_link_pic (info))
1323 {
1324 bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD0, splt->contents);
1325 bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD1, splt->contents + 4);
1326 bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD2, splt->contents + 8);
1327 bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD3, splt->contents + 12);
1328 bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD4, splt->contents + 16);
1329 }
1330 else
1331 {
1332 unsigned long addr;
1333 /* addr = .got + 4 */
1334 addr = sgot->output_section->vma + sgot->output_offset + 4;
1335 bfd_put_32 (output_bfd,
84e94c90
NC
1336 PLT0_ENTRY_WORD0 | ((addr >> 16) & 0xffff),
1337 splt->contents);
07d6d2b8 1338 bfd_put_32 (output_bfd,
84e94c90
NC
1339 PLT0_ENTRY_WORD1 | (addr & 0xffff),
1340 splt->contents + 4);
07d6d2b8
AM
1341 bfd_put_32 (output_bfd, PLT0_ENTRY_WORD2, splt->contents + 8);
1342 bfd_put_32 (output_bfd, PLT0_ENTRY_WORD3, splt->contents + 12);
1343 bfd_put_32 (output_bfd, PLT0_ENTRY_WORD4, splt->contents + 16);
1344 }
1345
1346 elf_section_data (splt->output_section)->this_hdr.sh_entsize =
1347 PLT_ENTRY_SIZE;
1348 }
84e94c90
NC
1349 }
1350
1351 /* Fill in the first three entries in the global offset table. */
1352 if (sgot && sgot->size > 0)
1353 {
1354 if (sdyn == NULL)
07d6d2b8 1355 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents);
84e94c90 1356 else
07d6d2b8
AM
1357 bfd_put_32 (output_bfd,
1358 sdyn->output_section->vma + sdyn->output_offset,
1359 sgot->contents);
84e94c90
NC
1360 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 4);
1361 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 8);
1362
1363 /* FIXME: This can be null if create_dynamic_sections wasn't called. */
1364 if (elf_section_data (sgot->output_section) != NULL)
07d6d2b8 1365 elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
84e94c90
NC
1366 }
1367
1368 if (lm32fdpic_fixup32_section (info))
1369 {
1370 struct elf_link_hash_entry *hgot = elf_hash_table (info)->hgot;
1371 bfd_vma got_value = hgot->root.u.def.value
07d6d2b8
AM
1372 + hgot->root.u.def.section->output_section->vma
1373 + hgot->root.u.def.section->output_offset;
84e94c90
NC
1374 struct bfd_link_hash_entry *hend;
1375
1376 /* Last entry is pointer to GOT. */
1377 _lm32fdpic_add_rofixup (output_bfd, lm32fdpic_fixup32_section (info), got_value);
1378
1379 /* Check we wrote enough entries. */
1380 if (lm32fdpic_fixup32_section (info)->size
07d6d2b8
AM
1381 != (lm32fdpic_fixup32_section (info)->reloc_count * 4))
1382 {
4eca0228 1383 _bfd_error_handler
2dcf00ce
AM
1384 ("LINKER BUG: .rofixup section size mismatch: size/4 %" PRId64
1385 " != relocs %d",
1386 (int64_t) (lm32fdpic_fixup32_section (info)->size / 4),
07d6d2b8
AM
1387 lm32fdpic_fixup32_section (info)->reloc_count);
1388 return FALSE;
1389 }
84e94c90
NC
1390
1391 hend = bfd_link_hash_lookup (info->hash, "__ROFIXUP_END__",
07d6d2b8 1392 FALSE, FALSE, TRUE);
84e94c90 1393 if (hend
07d6d2b8 1394 && (hend->type == bfd_link_hash_defined
a0f6fd21
AM
1395 || hend->type == bfd_link_hash_defweak)
1396 && hend->u.def.section->output_section != NULL)
07d6d2b8
AM
1397 {
1398 bfd_vma value =
1399 lm32fdpic_fixup32_section (info)->output_section->vma
1400 + lm32fdpic_fixup32_section (info)->output_offset
1401 + lm32fdpic_fixup32_section (info)->size
1402 - hend->u.def.section->output_section->vma
1403 - hend->u.def.section->output_offset;
1404 BFD_ASSERT (hend->u.def.value == value);
1405 if (hend->u.def.value != value)
1406 {
4eca0228 1407 _bfd_error_handler
2dcf00ce
AM
1408 ("LINKER BUG: .rofixup section hend->u.def.value != value: %"
1409 PRId64 " != %" PRId64,
1410 (int64_t) hend->u.def.value, (int64_t) value);
07d6d2b8
AM
1411 return FALSE;
1412 }
1413 }
84e94c90
NC
1414 }
1415
1416 return TRUE;
1417}
1418
1419/* Finish up dynamic symbol handling. We set the contents of various
1420 dynamic sections here. */
1421
1422static bfd_boolean
1423lm32_elf_finish_dynamic_symbol (bfd *output_bfd,
1424 struct bfd_link_info *info,
1425 struct elf_link_hash_entry *h,
1426 Elf_Internal_Sym *sym)
1427{
1428 struct elf_lm32_link_hash_table *htab;
84e94c90
NC
1429 bfd_byte *loc;
1430
1431 htab = lm32_elf_hash_table (info);
4dfe6ac6
NC
1432 if (htab == NULL)
1433 return FALSE;
1434
84e94c90
NC
1435 if (h->plt.offset != (bfd_vma) -1)
1436 {
1437 asection *splt;
1438 asection *sgot;
1439 asection *srela;
1440
1441 bfd_vma plt_index;
1442 bfd_vma got_offset;
1443 Elf_Internal_Rela rela;
1444
1445 /* This symbol has an entry in the procedure linkage table. Set
07d6d2b8 1446 it up. */
84e94c90
NC
1447 BFD_ASSERT (h->dynindx != -1);
1448
ce558b89
AM
1449 splt = htab->root.splt;
1450 sgot = htab->root.sgotplt;
1451 srela = htab->root.srelplt;
84e94c90
NC
1452 BFD_ASSERT (splt != NULL && sgot != NULL && srela != NULL);
1453
1454 /* Get the index in the procedure linkage table which
07d6d2b8
AM
1455 corresponds to this symbol. This is the index of this symbol
1456 in all the symbols for which we are making plt entries. The
1457 first entry in the procedure linkage table is reserved. */
84e94c90
NC
1458 plt_index = h->plt.offset / PLT_ENTRY_SIZE - 1;
1459
1460 /* Get the offset into the .got table of the entry that
07d6d2b8
AM
1461 corresponds to this function. Each .got entry is 4 bytes.
1462 The first three are reserved. */
84e94c90
NC
1463 got_offset = (plt_index + 3) * 4;
1464
1465 /* Fill in the entry in the procedure linkage table. */
0e1862bb 1466 if (! bfd_link_pic (info))
07d6d2b8
AM
1467 {
1468 /* TODO */
1469 }
84e94c90 1470 else
07d6d2b8
AM
1471 {
1472 /* TODO */
1473 }
84e94c90
NC
1474
1475 /* Fill in the entry in the global offset table. */
1476 bfd_put_32 (output_bfd,
07d6d2b8
AM
1477 (splt->output_section->vma
1478 + splt->output_offset
1479 + h->plt.offset
1480 + 12), /* same offset */
1481 sgot->contents + got_offset);
84e94c90
NC
1482
1483 /* Fill in the entry in the .rela.plt section. */
1484 rela.r_offset = (sgot->output_section->vma
07d6d2b8
AM
1485 + sgot->output_offset
1486 + got_offset);
84e94c90
NC
1487 rela.r_info = ELF32_R_INFO (h->dynindx, R_LM32_JMP_SLOT);
1488 rela.r_addend = 0;
1489 loc = srela->contents;
1490 loc += plt_index * sizeof (Elf32_External_Rela);
1491 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
1492
1493 if (!h->def_regular)
07d6d2b8
AM
1494 {
1495 /* Mark the symbol as undefined, rather than as defined in
1496 the .plt section. Leave the value alone. */
1497 sym->st_shndx = SHN_UNDEF;
1498 }
84e94c90
NC
1499
1500 }
1501
1502 if (h->got.offset != (bfd_vma) -1)
1503 {
1504 asection *sgot;
1505 asection *srela;
1506 Elf_Internal_Rela rela;
1507
1508 /* This symbol has an entry in the global offset table. Set it
07d6d2b8 1509 up. */
ce558b89
AM
1510 sgot = htab->root.sgot;
1511 srela = htab->root.srelgot;
84e94c90
NC
1512 BFD_ASSERT (sgot != NULL && srela != NULL);
1513
1514 rela.r_offset = (sgot->output_section->vma
07d6d2b8
AM
1515 + sgot->output_offset
1516 + (h->got.offset &~ 1));
84e94c90
NC
1517
1518 /* If this is a -Bsymbolic link, and the symbol is defined
07d6d2b8
AM
1519 locally, we just want to emit a RELATIVE reloc. Likewise if
1520 the symbol was forced to be local because of a version file.
1521 The entry in the global offset table will already have been
1522 initialized in the relocate_section function. */
0e1862bb 1523 if (bfd_link_pic (info)
07d6d2b8 1524 && (info->symbolic
84e94c90
NC
1525 || h->dynindx == -1
1526 || h->forced_local)
07d6d2b8
AM
1527 && h->def_regular)
1528 {
1529 rela.r_info = ELF32_R_INFO (0, R_LM32_RELATIVE);
1530 rela.r_addend = (h->root.u.def.value
1531 + h->root.u.def.section->output_section->vma
1532 + h->root.u.def.section->output_offset);
1533 }
84e94c90 1534 else
07d6d2b8 1535 {
84e94c90 1536 BFD_ASSERT ((h->got.offset & 1) == 0);
07d6d2b8
AM
1537 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
1538 rela.r_info = ELF32_R_INFO (h->dynindx, R_LM32_GLOB_DAT);
1539 rela.r_addend = 0;
1540 }
84e94c90
NC
1541
1542 loc = srela->contents;
1543 loc += srela->reloc_count * sizeof (Elf32_External_Rela);
1544 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
1545 ++srela->reloc_count;
1546 }
1547
1548 if (h->needs_copy)
1549 {
1550 asection *s;
1551 Elf_Internal_Rela rela;
1552
1553 /* This symbols needs a copy reloc. Set it up. */
1554 BFD_ASSERT (h->dynindx != -1
07d6d2b8
AM
1555 && (h->root.type == bfd_link_hash_defined
1556 || h->root.type == bfd_link_hash_defweak));
84e94c90 1557
3d4d4302 1558 s = bfd_get_linker_section (htab->root.dynobj, ".rela.bss");
84e94c90
NC
1559 BFD_ASSERT (s != NULL);
1560
1561 rela.r_offset = (h->root.u.def.value
07d6d2b8
AM
1562 + h->root.u.def.section->output_section->vma
1563 + h->root.u.def.section->output_offset);
84e94c90
NC
1564 rela.r_info = ELF32_R_INFO (h->dynindx, R_LM32_COPY);
1565 rela.r_addend = 0;
1566 loc = s->contents;
1567 loc += s->reloc_count * sizeof (Elf32_External_Rela);
1568 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
1569 ++s->reloc_count;
1570 }
1571
1572 /* Mark some specially defined symbols as absolute. */
9637f6ef 1573 if (h == htab->root.hdynamic || h == htab->root.hgot)
84e94c90
NC
1574 sym->st_shndx = SHN_ABS;
1575
1576 return TRUE;
1577}
1578
1579static enum elf_reloc_type_class
7e612e98
AM
1580lm32_elf_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
1581 const asection *rel_sec ATTRIBUTE_UNUSED,
1582 const Elf_Internal_Rela *rela)
84e94c90
NC
1583{
1584 switch ((int) ELF32_R_TYPE (rela->r_info))
1585 {
1586 case R_LM32_RELATIVE: return reloc_class_relative;
1587 case R_LM32_JMP_SLOT: return reloc_class_plt;
1588 case R_LM32_COPY: return reloc_class_copy;
07d6d2b8 1589 default: return reloc_class_normal;
84e94c90
NC
1590 }
1591}
1592
1593/* Adjust a symbol defined by a dynamic object and referenced by a
1594 regular object. The current definition is in some section of the
1595 dynamic object, but we're not including those sections. We have to
1596 change the definition to something the rest of the link can
1597 understand. */
1598
1599static bfd_boolean
1600lm32_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
1601 struct elf_link_hash_entry *h)
1602{
1603 struct elf_lm32_link_hash_table *htab;
84e94c90
NC
1604 bfd *dynobj;
1605 asection *s;
1606
1607 dynobj = elf_hash_table (info)->dynobj;
1608
1609 /* Make sure we know what is going on here. */
1610 BFD_ASSERT (dynobj != NULL
07d6d2b8
AM
1611 && (h->needs_plt
1612 || h->is_weakalias
1613 || (h->def_dynamic
1614 && h->ref_regular
1615 && !h->def_regular)));
84e94c90
NC
1616
1617 /* If this is a function, put it in the procedure linkage table. We
1618 will fill in the contents of the procedure linkage table later,
1619 when we know the address of the .got section. */
1620 if (h->type == STT_FUNC
1621 || h->needs_plt)
1622 {
0e1862bb 1623 if (! bfd_link_pic (info)
07d6d2b8
AM
1624 && !h->def_dynamic
1625 && !h->ref_dynamic
84e94c90
NC
1626 && h->root.type != bfd_link_hash_undefweak
1627 && h->root.type != bfd_link_hash_undefined)
07d6d2b8
AM
1628 {
1629 /* This case can occur if we saw a PLT reloc in an input
1630 file, but the symbol was never referred to by a dynamic
1631 object. In such a case, we don't actually need to build
1632 a procedure linkage table, and we can just do a PCREL
1633 reloc instead. */
1634 h->plt.offset = (bfd_vma) -1;
1635 h->needs_plt = 0;
1636 }
84e94c90
NC
1637
1638 return TRUE;
1639 }
1640 else
1641 h->plt.offset = (bfd_vma) -1;
1642
1643 /* If this is a weak symbol, and there is a real definition, the
1644 processor independent code will have arranged for us to see the
1645 real definition first, and we can just use the same value. */
60d67dc8 1646 if (h->is_weakalias)
84e94c90 1647 {
60d67dc8
AM
1648 struct elf_link_hash_entry *def = weakdef (h);
1649 BFD_ASSERT (def->root.type == bfd_link_hash_defined);
1650 h->root.u.def.section = def->root.u.def.section;
1651 h->root.u.def.value = def->root.u.def.value;
84e94c90
NC
1652 return TRUE;
1653 }
1654
1655 /* This is a reference to a symbol defined by a dynamic object which
1656 is not a function. */
1657
1658 /* If we are creating a shared library, we must presume that the
1659 only references to the symbol are via the global offset table.
1660 For such cases we need not do anything here; the relocations will
1661 be handled correctly by relocate_section. */
0e1862bb 1662 if (bfd_link_pic (info))
84e94c90
NC
1663 return TRUE;
1664
1665 /* If there are no references to this symbol that do not use the
1666 GOT, we don't need to generate a copy reloc. */
1667 if (!h->non_got_ref)
1668 return TRUE;
1669
1670 /* If -z nocopyreloc was given, we won't generate them either. */
3bf083ed 1671 if (0 && info->nocopyreloc)
84e94c90
NC
1672 {
1673 h->non_got_ref = 0;
1674 return TRUE;
1675 }
1676
3bf083ed
AM
1677 /* If we don't find any dynamic relocs in read-only sections, then
1678 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
5dbc8b37 1679 if (0 && !_bfd_elf_readonly_dynrelocs (h))
84e94c90
NC
1680 {
1681 h->non_got_ref = 0;
1682 return TRUE;
1683 }
1684
84e94c90
NC
1685 /* We must allocate the symbol in our .dynbss section, which will
1686 become part of the .bss section of the executable. There will be
1687 an entry for this symbol in the .dynsym section. The dynamic
1688 object will contain position independent code, so all references
1689 from the dynamic object to this symbol will go through the global
1690 offset table. The dynamic linker will use the .dynsym entry to
1691 determine the address it must put in the global offset table, so
1692 both the dynamic object and the regular object will refer to the
1693 same memory location for the variable. */
1694
1695 htab = lm32_elf_hash_table (info);
4dfe6ac6
NC
1696 if (htab == NULL)
1697 return FALSE;
1698
84e94c90
NC
1699 s = htab->sdynbss;
1700 BFD_ASSERT (s != NULL);
1701
1702 /* We must generate a R_LM32_COPY reloc to tell the dynamic linker
1703 to copy the initial value out of the dynamic object and into the
1704 runtime process image. We need to remember the offset into the
1705 .rela.bss section we are going to use. */
1d7e9d18 1706 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
84e94c90
NC
1707 {
1708 asection *srel;
1709
1710 srel = htab->srelbss;
1711 BFD_ASSERT (srel != NULL);
1712 srel->size += sizeof (Elf32_External_Rela);
1713 h->needs_copy = 1;
1714 }
1715
6cabe1ea 1716 return _bfd_elf_adjust_dynamic_copy (info, h, s);
84e94c90
NC
1717}
1718
1719/* Allocate space in .plt, .got and associated reloc sections for
1720 dynamic relocs. */
1721
1722static bfd_boolean
1723allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf)
1724{
1725 struct bfd_link_info *info;
1726 struct elf_lm32_link_hash_table *htab;
3bf083ed 1727 struct elf_dyn_relocs *p;
84e94c90
NC
1728
1729 if (h->root.type == bfd_link_hash_indirect)
1730 return TRUE;
1731
84e94c90
NC
1732 info = (struct bfd_link_info *) inf;
1733 htab = lm32_elf_hash_table (info);
4dfe6ac6
NC
1734 if (htab == NULL)
1735 return FALSE;
84e94c90 1736
84e94c90
NC
1737 if (htab->root.dynamic_sections_created
1738 && h->plt.refcount > 0)
1739 {
1740 /* Make sure this symbol is output as a dynamic symbol.
07d6d2b8 1741 Undefined weak syms won't yet be marked as dynamic. */
84e94c90 1742 if (h->dynindx == -1
07d6d2b8
AM
1743 && !h->forced_local)
1744 {
1745 if (! bfd_elf_link_record_dynamic_symbol (info, h))
1746 return FALSE;
1747 }
84e94c90 1748
0e1862bb 1749 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), h))
07d6d2b8
AM
1750 {
1751 asection *s = htab->root.splt;
1752
1753 /* If this is the first .plt entry, make room for the special
1754 first entry. */
1755 if (s->size == 0)
1756 s->size += PLT_ENTRY_SIZE;
1757
1758 h->plt.offset = s->size;
1759
1760 /* If this symbol is not defined in a regular file, and we are
1761 not generating a shared library, then set the symbol to this
1762 location in the .plt. This is required to make function
1763 pointers compare as equal between the normal executable and
1764 the shared library. */
1765 if (! bfd_link_pic (info)
1766 && !h->def_regular)
1767 {
1768 h->root.u.def.section = s;
1769 h->root.u.def.value = h->plt.offset;
1770 }
1771
1772 /* Make room for this entry. */
1773 s->size += PLT_ENTRY_SIZE;
1774
1775 /* We also need to make an entry in the .got.plt section, which
1776 will be placed in the .got section by the linker script. */
1777 htab->root.sgotplt->size += 4;
1778
1779 /* We also need to make an entry in the .rel.plt section. */
1780 htab->root.srelplt->size += sizeof (Elf32_External_Rela);
1781 }
84e94c90 1782 else
07d6d2b8
AM
1783 {
1784 h->plt.offset = (bfd_vma) -1;
1785 h->needs_plt = 0;
1786 }
84e94c90
NC
1787 }
1788 else
1789 {
1790 h->plt.offset = (bfd_vma) -1;
1791 h->needs_plt = 0;
1792 }
1793
1794 if (h->got.refcount > 0)
1795 {
1796 asection *s;
1797 bfd_boolean dyn;
1798
1799 /* Make sure this symbol is output as a dynamic symbol.
07d6d2b8 1800 Undefined weak syms won't yet be marked as dynamic. */
84e94c90 1801 if (h->dynindx == -1
07d6d2b8
AM
1802 && !h->forced_local)
1803 {
1804 if (! bfd_elf_link_record_dynamic_symbol (info, h))
1805 return FALSE;
1806 }
84e94c90 1807
ce558b89 1808 s = htab->root.sgot;
84e94c90
NC
1809
1810 h->got.offset = s->size;
1811 s->size += 4;
1812 dyn = htab->root.dynamic_sections_created;
0e1862bb 1813 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, bfd_link_pic (info), h))
07d6d2b8 1814 htab->root.srelgot->size += sizeof (Elf32_External_Rela);
84e94c90
NC
1815 }
1816 else
1817 h->got.offset = (bfd_vma) -1;
1818
190eb1dd 1819 if (h->dyn_relocs == NULL)
84e94c90
NC
1820 return TRUE;
1821
1822 /* In the shared -Bsymbolic case, discard space allocated for
1823 dynamic pc-relative relocs against symbols which turn out to be
1824 defined in regular objects. For the normal shared case, discard
1825 space for pc-relative relocs that have become local due to symbol
1826 visibility changes. */
1827
0e1862bb 1828 if (bfd_link_pic (info))
84e94c90
NC
1829 {
1830 if (h->def_regular
07d6d2b8
AM
1831 && (h->forced_local
1832 || info->symbolic))
1833 {
1834 struct elf_dyn_relocs **pp;
1835
190eb1dd 1836 for (pp = &h->dyn_relocs; (p = *pp) != NULL;)
07d6d2b8
AM
1837 {
1838 p->count -= p->pc_count;
1839 p->pc_count = 0;
1840 if (p->count == 0)
1841 *pp = p->next;
1842 else
1843 pp = &p->next;
1844 }
1845 }
84e94c90
NC
1846
1847 /* Also discard relocs on undefined weak syms with non-default
1848 visibility. */
190eb1dd 1849 if (h->dyn_relocs != NULL
84e94c90
NC
1850 && h->root.type == bfd_link_hash_undefweak)
1851 {
1852 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
190eb1dd 1853 h->dyn_relocs = NULL;
84e94c90
NC
1854
1855 /* Make sure undefined weak symbols are output as a dynamic
1856 symbol in PIEs. */
1857 else if (h->dynindx == -1
1858 && !h->forced_local)
1859 {
1860 if (! bfd_elf_link_record_dynamic_symbol (info, h))
1861 return FALSE;
1862 }
1863 }
1864 }
1865 else
1866 {
1867 /* For the non-shared case, discard space for relocs against
07d6d2b8
AM
1868 symbols which turn out to need copy relocs or are not
1869 dynamic. */
84e94c90
NC
1870
1871 if (!h->non_got_ref
07d6d2b8
AM
1872 && ((h->def_dynamic
1873 && !h->def_regular)
1874 || (htab->root.dynamic_sections_created
1875 && (h->root.type == bfd_link_hash_undefweak
1876 || h->root.type == bfd_link_hash_undefined))))
1877 {
1878 /* Make sure this symbol is output as a dynamic symbol.
1879 Undefined weak syms won't yet be marked as dynamic. */
1880 if (h->dynindx == -1
1881 && !h->forced_local)
1882 {
1883 if (! bfd_elf_link_record_dynamic_symbol (info, h))
1884 return FALSE;
1885 }
1886
1887 /* If that succeeded, we know we'll be keeping all the
1888 relocs. */
1889 if (h->dynindx != -1)
1890 goto keep;
1891 }
84e94c90 1892
190eb1dd 1893 h->dyn_relocs = NULL;
84e94c90
NC
1894
1895 keep: ;
1896 }
1897
1898 /* Finally, allocate space. */
190eb1dd 1899 for (p = h->dyn_relocs; p != NULL; p = p->next)
84e94c90
NC
1900 {
1901 asection *sreloc = elf_section_data (p->sec)->sreloc;
1902 sreloc->size += p->count * sizeof (Elf32_External_Rela);
1903 }
1904
1905 return TRUE;
1906}
1907
84e94c90
NC
1908/* Set the sizes of the dynamic sections. */
1909
1910static bfd_boolean
1911lm32_elf_size_dynamic_sections (bfd *output_bfd,
07d6d2b8 1912 struct bfd_link_info *info)
84e94c90
NC
1913{
1914 struct elf_lm32_link_hash_table *htab;
1915 bfd *dynobj;
1916 asection *s;
1917 bfd_boolean relocs;
1918 bfd *ibfd;
1919
1920 htab = lm32_elf_hash_table (info);
4dfe6ac6
NC
1921 if (htab == NULL)
1922 return FALSE;
1923
84e94c90
NC
1924 dynobj = htab->root.dynobj;
1925 BFD_ASSERT (dynobj != NULL);
1926
1927 if (htab->root.dynamic_sections_created)
1928 {
1929 /* Set the contents of the .interp section to the interpreter. */
9b8b325a 1930 if (bfd_link_executable (info) && !info->nointerp)
84e94c90 1931 {
3d4d4302 1932 s = bfd_get_linker_section (dynobj, ".interp");
84e94c90
NC
1933 BFD_ASSERT (s != NULL);
1934 s->size = sizeof ELF_DYNAMIC_INTERPRETER;
1935 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
1936 }
1937 }
1938
1939 /* Set up .got offsets for local syms, and space for local dynamic
1940 relocs. */
c72f2fb2 1941 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
84e94c90
NC
1942 {
1943 bfd_signed_vma *local_got;
1944 bfd_signed_vma *end_local_got;
1945 bfd_size_type locsymcount;
1946 Elf_Internal_Shdr *symtab_hdr;
1947 asection *srel;
1948
1949 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour)
07d6d2b8 1950 continue;
84e94c90
NC
1951
1952 for (s = ibfd->sections; s != NULL; s = s->next)
07d6d2b8
AM
1953 {
1954 struct elf_dyn_relocs *p;
1955
1956 for (p = ((struct elf_dyn_relocs *)
1957 elf_section_data (s)->local_dynrel);
1958 p != NULL;
1959 p = p->next)
1960 {
1961 if (! bfd_is_abs_section (p->sec)
1962 && bfd_is_abs_section (p->sec->output_section))
1963 {
1964 /* Input section has been discarded, either because
1965 it is a copy of a linkonce section or due to
1966 linker script /DISCARD/, so we'll be discarding
1967 the relocs too. */
1968 }
1969 else if (p->count != 0)
1970 {
1971 srel = elf_section_data (p->sec)->sreloc;
1972 srel->size += p->count * sizeof (Elf32_External_Rela);
1973 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
1974 info->flags |= DF_TEXTREL;
1975 }
1976 }
1977 }
84e94c90
NC
1978
1979 local_got = elf_local_got_refcounts (ibfd);
1980 if (!local_got)
07d6d2b8 1981 continue;
84e94c90
NC
1982
1983 symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
1984 locsymcount = symtab_hdr->sh_info;
1985 end_local_got = local_got + locsymcount;
ce558b89
AM
1986 s = htab->root.sgot;
1987 srel = htab->root.srelgot;
84e94c90 1988 for (; local_got < end_local_got; ++local_got)
07d6d2b8
AM
1989 {
1990 if (*local_got > 0)
1991 {
1992 *local_got = s->size;
1993 s->size += 4;
1994 if (bfd_link_pic (info))
1995 srel->size += sizeof (Elf32_External_Rela);
1996 }
1997 else
1998 *local_got = (bfd_vma) -1;
1999 }
84e94c90
NC
2000 }
2001
2002 /* Allocate global sym .plt and .got entries, and space for global
2003 sym dynamic relocs. */
2004 elf_link_hash_traverse (&htab->root, allocate_dynrelocs, info);
2005
2006 /* We now have determined the sizes of the various dynamic sections.
2007 Allocate memory for them. */
2008 relocs = FALSE;
2009 for (s = dynobj->sections; s != NULL; s = s->next)
2010 {
2011 if ((s->flags & SEC_LINKER_CREATED) == 0)
07d6d2b8 2012 continue;
84e94c90 2013
ce558b89 2014 if (s == htab->root.splt
07d6d2b8
AM
2015 || s == htab->root.sgot
2016 || s == htab->root.sgotplt
84e94c90 2017 || s == htab->sdynbss)
07d6d2b8
AM
2018 {
2019 /* Strip this section if we don't need it; see the
2020 comment below. */
2021 }
fd361982 2022 else if (CONST_STRNEQ (bfd_section_name (s), ".rela"))
07d6d2b8
AM
2023 {
2024 if (s->size != 0 && s != htab->root.srelplt)
2025 relocs = TRUE;
2026
2027 /* We use the reloc_count field as a counter if we need
2028 to copy relocs into the output file. */
2029 s->reloc_count = 0;
2030 }
84e94c90
NC
2031 else
2032 /* It's not one of our sections, so don't allocate space. */
2033 continue;
2034
2035 if (s->size == 0)
07d6d2b8
AM
2036 {
2037 /* If we don't need this section, strip it from the
2038 output file. This is mostly to handle .rela.bss and
2039 .rela.plt. We must create both sections in
2040 create_dynamic_sections, because they must be created
2041 before the linker maps input sections to output
2042 sections. The linker does that before
2043 adjust_dynamic_symbol is called, and it is that
2044 function which decides whether anything needs to go
2045 into these sections. */
2046 s->flags |= SEC_EXCLUDE;
2047 continue;
2048 }
84e94c90
NC
2049
2050 if ((s->flags & SEC_HAS_CONTENTS) == 0)
2051 continue;
2052
2053 /* Allocate memory for the section contents. We use bfd_zalloc
07d6d2b8
AM
2054 here in case unused entries are not reclaimed before the
2055 section's contents are written out. This should not happen,
2056 but this way if it does, we get a R_LM32_NONE reloc instead
2057 of garbage. */
84e94c90
NC
2058 s->contents = bfd_zalloc (dynobj, s->size);
2059 if (s->contents == NULL)
07d6d2b8 2060 return FALSE;
84e94c90
NC
2061 }
2062
2063 if (htab->root.dynamic_sections_created)
2064 {
2065 /* Add some entries to the .dynamic section. We fill in the
2066 values later, in lm32_elf_finish_dynamic_sections, but we
2067 must add the entries now so that we get the correct size for
2068 the .dynamic section. The DT_DEBUG entry is filled in by the
2069 dynamic linker and used by the debugger. */
2070#define add_dynamic_entry(TAG, VAL) \
2071 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
2072
0e1862bb 2073 if (bfd_link_executable (info))
84e94c90
NC
2074 {
2075 if (! add_dynamic_entry (DT_DEBUG, 0))
2076 return FALSE;
2077 }
2078
ce558b89 2079 if (htab->root.splt->size != 0)
07d6d2b8
AM
2080 {
2081 if (! add_dynamic_entry (DT_PLTGOT, 0)
2082 || ! add_dynamic_entry (DT_PLTRELSZ, 0)
2083 || ! add_dynamic_entry (DT_PLTREL, DT_RELA)
2084 || ! add_dynamic_entry (DT_JMPREL, 0))
2085 return FALSE;
2086 }
84e94c90
NC
2087
2088 if (relocs)
07d6d2b8
AM
2089 {
2090 if (! add_dynamic_entry (DT_RELA, 0)
2091 || ! add_dynamic_entry (DT_RELASZ, 0)
2092 || ! add_dynamic_entry (DT_RELAENT,
2093 sizeof (Elf32_External_Rela)))
2094 return FALSE;
2095
2096 /* If any dynamic relocs apply to a read-only section,
2097 then we need a DT_TEXTREL entry. */
2098 if ((info->flags & DF_TEXTREL) == 0)
d49e5065
L
2099 elf_link_hash_traverse (&htab->root,
2100 _bfd_elf_maybe_set_textrel, info);
07d6d2b8
AM
2101
2102 if ((info->flags & DF_TEXTREL) != 0)
2103 {
2104 if (! add_dynamic_entry (DT_TEXTREL, 0))
2105 return FALSE;
2106 }
2107 }
84e94c90
NC
2108 }
2109#undef add_dynamic_entry
2110
2111 /* Allocate .rofixup section. */
2112 if (IS_FDPIC (output_bfd))
2113 {
2114 struct weak_symbol_list *list_start = NULL, *list_end = NULL;
2115 int rgot_weak_count = 0;
2116 int r32_count = 0;
2117 int rgot_count = 0;
2118 /* Look for deleted sections. */
c72f2fb2 2119 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
07d6d2b8
AM
2120 {
2121 for (s = ibfd->sections; s != NULL; s = s->next)
2122 {
2123 if (s->reloc_count)
2124 {
2125 /* Count relocs that need .rofixup entires. */
2126 Elf_Internal_Rela *internal_relocs, *end;
2127 internal_relocs = elf_section_data (s)->relocs;
2128 if (internal_relocs == NULL)
2129 internal_relocs = (_bfd_elf_link_read_relocs (ibfd, s, NULL, NULL, FALSE));
2130 if (internal_relocs != NULL)
2131 {
2132 end = internal_relocs + s->reloc_count;
2133 while (internal_relocs < end)
2134 {
2135 Elf_Internal_Shdr *symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
2136 struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (ibfd);
2137 unsigned long r_symndx;
2138 struct elf_link_hash_entry *h;
2139
2140 symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
2141 sym_hashes = elf_sym_hashes (ibfd);
2142 r_symndx = ELF32_R_SYM (internal_relocs->r_info);
2143 h = NULL;
2144 if (r_symndx < symtab_hdr->sh_info)
2145 {
2146 }
2147 else
2148 {
2149 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
2150 while (h->root.type == bfd_link_hash_indirect
2151 || h->root.type == bfd_link_hash_warning)
2152 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2153 }
2154
2155 /* Don't generate entries for weak symbols. */
2156 if (!h || (h && h->root.type != bfd_link_hash_undefweak))
2157 {
fd361982 2158 if (!discarded_section (s) && !((bfd_section_flags (s) & SEC_ALLOC) == 0))
07d6d2b8
AM
2159 {
2160 switch (ELF32_R_TYPE (internal_relocs->r_info))
2161 {
2162 case R_LM32_32:
2163 r32_count++;
2164 break;
2165 case R_LM32_16_GOT:
2166 rgot_count++;
2167 break;
2168 }
2169 }
2170 }
2171 else
2172 {
2173 struct weak_symbol_list *current, *new_entry;
2174 /* Is this symbol already in the list? */
2175 for (current = list_start; current; current = current->next)
2176 {
2177 if (!strcmp (current->name, h->root.root.string))
2178 break;
2179 }
fd361982 2180 if (!current && !discarded_section (s) && (bfd_section_flags (s) & SEC_ALLOC))
07d6d2b8
AM
2181 {
2182 /* Will this have an entry in the GOT. */
2183 if (ELF32_R_TYPE (internal_relocs->r_info) == R_LM32_16_GOT)
2184 {
2185 /* Create a new entry. */
2186 new_entry = malloc (sizeof (struct weak_symbol_list));
2187 if (!new_entry)
2188 return FALSE;
2189 new_entry->name = h->root.root.string;
2190 new_entry->next = NULL;
2191 /* Add to list */
2192 if (list_start == NULL)
2193 {
2194 list_start = new_entry;
2195 list_end = new_entry;
2196 }
2197 else
2198 {
2199 list_end->next = new_entry;
2200 list_end = new_entry;
2201 }
2202 /* Increase count of undefined weak symbols in the got. */
2203 rgot_weak_count++;
2204 }
2205 }
2206 }
2207 internal_relocs++;
2208 }
2209 }
2210 else
2211 return FALSE;
2212 }
2213 }
2214 }
84e94c90
NC
2215 /* Free list. */
2216 while (list_start)
07d6d2b8
AM
2217 {
2218 list_end = list_start->next;
2219 free (list_start);
2220 list_start = list_end;
2221 }
84e94c90
NC
2222
2223 /* Size sections. */
ce558b89
AM
2224 lm32fdpic_fixup32_section (info)->size
2225 = (r32_count + (htab->root.sgot->size / 4) - rgot_weak_count + 1) * 4;
84e94c90 2226 if (lm32fdpic_fixup32_section (info)->size == 0)
07d6d2b8 2227 lm32fdpic_fixup32_section (info)->flags |= SEC_EXCLUDE;
84e94c90 2228 else
07d6d2b8
AM
2229 {
2230 lm32fdpic_fixup32_section (info)->contents =
2231 bfd_zalloc (dynobj, lm32fdpic_fixup32_section (info)->size);
2232 if (lm32fdpic_fixup32_section (info)->contents == NULL)
2233 return FALSE;
2234 }
84e94c90
NC
2235 }
2236
2237 return TRUE;
2238}
2239
2240/* Create dynamic sections when linking against a dynamic object. */
2241
2242static bfd_boolean
2243lm32_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
2244{
2245 struct elf_lm32_link_hash_table *htab;
2246 flagword flags, pltflags;
2247 asection *s;
2248 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
2249 int ptralign = 2; /* 32bit */
2250
2251 htab = lm32_elf_hash_table (info);
4dfe6ac6
NC
2252 if (htab == NULL)
2253 return FALSE;
84e94c90
NC
2254
2255 /* Make sure we have a GOT - For the case where we have a dynamic object
2256 but none of the relocs in check_relocs */
ce558b89 2257 if (!_bfd_elf_create_got_section (abfd, info))
84e94c90
NC
2258 return FALSE;
2259 if (IS_FDPIC (abfd) && (htab->sfixup32 == NULL))
2260 {
2261 if (! create_rofixup_section (abfd, info))
07d6d2b8 2262 return FALSE;
84e94c90
NC
2263 }
2264
2265 /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and
2266 .rel[a].bss sections. */
2267 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
07d6d2b8 2268 | SEC_LINKER_CREATED);
84e94c90
NC
2269
2270 pltflags = flags;
2271 pltflags |= SEC_CODE;
2272 if (bed->plt_not_loaded)
2273 pltflags &= ~ (SEC_LOAD | SEC_HAS_CONTENTS);
2274 if (bed->plt_readonly)
2275 pltflags |= SEC_READONLY;
2276
3d4d4302 2277 s = bfd_make_section_anyway_with_flags (abfd, ".plt", pltflags);
ce558b89 2278 htab->root.splt = s;
84e94c90 2279 if (s == NULL
fd361982 2280 || !bfd_set_section_alignment (s, bed->plt_alignment))
84e94c90
NC
2281 return FALSE;
2282
2283 if (bed->want_plt_sym)
2284 {
2285 /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
07d6d2b8 2286 .plt section. */
84e94c90
NC
2287 struct bfd_link_hash_entry *bh = NULL;
2288 struct elf_link_hash_entry *h;
2289
2290 if (! (_bfd_generic_link_add_one_symbol
07d6d2b8
AM
2291 (info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s,
2292 (bfd_vma) 0, NULL, FALSE,
2293 get_elf_backend_data (abfd)->collect, &bh)))
2294 return FALSE;
84e94c90
NC
2295 h = (struct elf_link_hash_entry *) bh;
2296 h->def_regular = 1;
2297 h->type = STT_OBJECT;
2298 htab->root.hplt = h;
2299
0e1862bb 2300 if (bfd_link_pic (info)
07d6d2b8
AM
2301 && ! bfd_elf_link_record_dynamic_symbol (info, h))
2302 return FALSE;
84e94c90
NC
2303 }
2304
3d4d4302
AM
2305 s = bfd_make_section_anyway_with_flags (abfd,
2306 bed->default_use_rela_p
2307 ? ".rela.plt" : ".rel.plt",
2308 flags | SEC_READONLY);
ce558b89 2309 htab->root.srelplt = s;
84e94c90 2310 if (s == NULL
fd361982 2311 || !bfd_set_section_alignment (s, ptralign))
84e94c90
NC
2312 return FALSE;
2313
ce558b89
AM
2314 if (htab->root.sgot == NULL
2315 && !_bfd_elf_create_got_section (abfd, info))
84e94c90
NC
2316 return FALSE;
2317
84e94c90
NC
2318 if (bed->want_dynbss)
2319 {
2320 /* The .dynbss section is a place to put symbols which are defined
07d6d2b8
AM
2321 by dynamic objects, are referenced by regular objects, and are
2322 not functions. We must allocate space for them in the process
2323 image and use a R_*_COPY reloc to tell the dynamic linker to
2324 initialize them at run time. The linker script puts the .dynbss
2325 section into the .bss section of the final image. */
3d4d4302
AM
2326 s = bfd_make_section_anyway_with_flags (abfd, ".dynbss",
2327 SEC_ALLOC | SEC_LINKER_CREATED);
84e94c90
NC
2328 htab->sdynbss = s;
2329 if (s == NULL)
07d6d2b8 2330 return FALSE;
84e94c90 2331 /* The .rel[a].bss section holds copy relocs. This section is not
07d6d2b8
AM
2332 normally needed. We need to create it here, though, so that the
2333 linker will map it to an output section. We can't just create it
2334 only if we need it, because we will not know whether we need it
2335 until we have seen all the input files, and the first time the
2336 main linker code calls BFD after examining all the input files
2337 (size_dynamic_sections) the input sections have already been
2338 mapped to the output sections. If the section turns out not to
2339 be needed, we can discard it later. We will never need this
2340 section when generating a shared object, since they do not use
2341 copy relocs. */
0e1862bb 2342 if (! bfd_link_pic (info))
07d6d2b8
AM
2343 {
2344 s = bfd_make_section_anyway_with_flags (abfd,
3d4d4302
AM
2345 (bed->default_use_rela_p
2346 ? ".rela.bss" : ".rel.bss"),
2347 flags | SEC_READONLY);
07d6d2b8
AM
2348 htab->srelbss = s;
2349 if (s == NULL
fd361982 2350 || !bfd_set_section_alignment (s, ptralign))
07d6d2b8
AM
2351 return FALSE;
2352 }
84e94c90
NC
2353 }
2354
2355 return TRUE;
2356}
2357
84e94c90 2358static bfd_boolean
04c3a755 2359lm32_elf_always_size_sections (bfd *output_bfd, struct bfd_link_info *info)
84e94c90 2360{
0e1862bb 2361 if (!bfd_link_relocatable (info))
84e94c90 2362 {
04c3a755
NS
2363 if (!bfd_elf_stack_segment_size (output_bfd, info,
2364 "__stacksize", DEFAULT_STACK_SIZE))
2365 return FALSE;
84e94c90 2366
84e94c90 2367 asection *sec = bfd_get_section_by_name (output_bfd, ".stack");
84e94c90 2368 if (sec)
04c3a755 2369 sec->size = info->stacksize >= 0 ? info->stacksize : 0;
84e94c90
NC
2370 }
2371
2372 return TRUE;
2373}
2374
84e94c90
NC
2375static bfd_boolean
2376lm32_elf_fdpic_copy_private_bfd_data (bfd *ibfd, bfd *obfd)
2377{
2378 unsigned i;
2379
2380 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
2381 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
2382 return TRUE;
2383
e2349352 2384 if (! _bfd_elf_copy_private_bfd_data (ibfd, obfd))
84e94c90
NC
2385 return FALSE;
2386
2387 if (! elf_tdata (ibfd) || ! elf_tdata (ibfd)->phdr
2388 || ! elf_tdata (obfd) || ! elf_tdata (obfd)->phdr)
2389 return TRUE;
2390
2391 /* Copy the stack size. */
2392 for (i = 0; i < elf_elfheader (ibfd)->e_phnum; i++)
2393 if (elf_tdata (ibfd)->phdr[i].p_type == PT_GNU_STACK)
2394 {
2395 Elf_Internal_Phdr *iphdr = &elf_tdata (ibfd)->phdr[i];
2396
2397 for (i = 0; i < elf_elfheader (obfd)->e_phnum; i++)
2398 if (elf_tdata (obfd)->phdr[i].p_type == PT_GNU_STACK)
2399 {
2400 memcpy (&elf_tdata (obfd)->phdr[i], iphdr, sizeof (*iphdr));
2401
2402 /* Rewrite the phdrs, since we're only called after they were first written. */
2403 if (bfd_seek (obfd, (bfd_signed_vma) get_elf_backend_data (obfd)
2404 ->s->sizeof_ehdr, SEEK_SET) != 0
2405 || get_elf_backend_data (obfd)->s->write_out_phdrs (obfd, elf_tdata (obfd)->phdr,
2406 elf_elfheader (obfd)->e_phnum) != 0)
2407 return FALSE;
2408 break;
2409 }
2410
2411 break;
2412 }
2413
2414 return TRUE;
2415}
2416
2417
07d6d2b8 2418#define ELF_ARCH bfd_arch_lm32
ae95ffa6 2419#define ELF_TARGET_ID LM32_ELF_DATA
07d6d2b8
AM
2420#define ELF_MACHINE_CODE EM_LATTICEMICO32
2421#define ELF_MAXPAGESIZE 0x1000
2422
2423#define TARGET_BIG_SYM lm32_elf32_vec
2424#define TARGET_BIG_NAME "elf32-lm32"
2425
2426#define bfd_elf32_bfd_reloc_type_lookup lm32_reloc_type_lookup
2427#define bfd_elf32_bfd_reloc_name_lookup lm32_reloc_name_lookup
2428#define elf_info_to_howto lm32_info_to_howto_rela
f3185997 2429#define elf_info_to_howto_rel NULL
07d6d2b8
AM
2430#define elf_backend_rela_normal 1
2431#define elf_backend_object_p lm32_elf_object_p
2432#define elf_backend_final_write_processing lm32_elf_final_write_processing
04c3a755 2433#define elf_backend_stack_align 8
07d6d2b8
AM
2434#define elf_backend_can_gc_sections 1
2435#define elf_backend_can_refcount 1
2436#define elf_backend_gc_mark_hook lm32_elf_gc_mark_hook
2437#define elf_backend_plt_readonly 1
2438#define elf_backend_want_got_plt 1
2439#define elf_backend_want_plt_sym 0
2440#define elf_backend_got_header_size 12
64f52338 2441#define elf_backend_dtrel_excludes_plt 1
07d6d2b8
AM
2442#define bfd_elf32_bfd_link_hash_table_create lm32_elf_link_hash_table_create
2443#define elf_backend_check_relocs lm32_elf_check_relocs
2444#define elf_backend_reloc_type_class lm32_elf_reloc_type_class
07d6d2b8 2445#define elf_backend_size_dynamic_sections lm32_elf_size_dynamic_sections
d00dd7dc 2446#define elf_backend_omit_section_dynsym _bfd_elf_omit_section_dynsym_all
07d6d2b8
AM
2447#define elf_backend_create_dynamic_sections lm32_elf_create_dynamic_sections
2448#define elf_backend_finish_dynamic_sections lm32_elf_finish_dynamic_sections
2449#define elf_backend_adjust_dynamic_symbol lm32_elf_adjust_dynamic_symbol
2450#define elf_backend_finish_dynamic_symbol lm32_elf_finish_dynamic_symbol
2451#define elf_backend_relocate_section lm32_elf_relocate_section
84e94c90
NC
2452
2453#include "elf32-target.h"
2454
2455#undef ELF_MAXPAGESIZE
2456#define ELF_MAXPAGESIZE 0x4000
2457
2458
2459#undef TARGET_BIG_SYM
07d6d2b8
AM
2460#define TARGET_BIG_SYM lm32_elf32_fdpic_vec
2461#undef TARGET_BIG_NAME
84e94c90
NC
2462#define TARGET_BIG_NAME "elf32-lm32fdpic"
2463#undef elf32_bed
2464#define elf32_bed elf32_lm32fdpic_bed
2465
07d6d2b8
AM
2466#undef elf_backend_always_size_sections
2467#define elf_backend_always_size_sections lm32_elf_always_size_sections
2468#undef bfd_elf32_bfd_copy_private_bfd_data
2469#define bfd_elf32_bfd_copy_private_bfd_data lm32_elf_fdpic_copy_private_bfd_data
84e94c90
NC
2470
2471#include "elf32-target.h"