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84e94c90 1/* Lattice Mico32-specific support for 32-bit ELF
a2c58332 2 Copyright (C) 2008-2022 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) \
0f55320b
AM
70 ((is_elf_hash_table ((p)->hash) \
71 && elf_hash_table_id (elf_hash_table (p)) == LM32_ELF_DATA) \
72 ? (struct elf_lm32_link_hash_table *) (p)->hash : NULL)
84e94c90
NC
73
74#define lm32fdpic_got_section(info) \
ce558b89 75 (lm32_elf_hash_table (info)->root.sgot)
84e94c90 76#define lm32fdpic_gotrel_section(info) \
ce558b89 77 (lm32_elf_hash_table (info)->root.srelgot)
84e94c90
NC
78#define lm32fdpic_fixup32_section(info) \
79 (lm32_elf_hash_table (info)->sfixup32)
80
81struct weak_symbol_list
82{
83 const char *name;
84 struct weak_symbol_list *next;
85};
86
84e94c90
NC
87/* Create an lm32 ELF linker hash table. */
88
89static struct bfd_link_hash_table *
90lm32_elf_link_hash_table_create (bfd *abfd)
91{
92 struct elf_lm32_link_hash_table *ret;
986f0783 93 size_t amt = sizeof (struct elf_lm32_link_hash_table);
84e94c90 94
7bf52ea2 95 ret = bfd_zmalloc (amt);
84e94c90
NC
96 if (ret == NULL)
97 return NULL;
98
99 if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
190eb1dd
L
100 _bfd_elf_link_hash_newfunc,
101 sizeof (struct elf_link_hash_entry),
4dfe6ac6 102 LM32_ELF_DATA))
84e94c90
NC
103 {
104 free (ret);
105 return NULL;
106 }
107
84e94c90
NC
108 return &ret->root.root;
109}
110
111/* Add a fixup to the ROFIXUP section. */
112
113static bfd_vma
114_lm32fdpic_add_rofixup (bfd *output_bfd, asection *rofixup, bfd_vma relocation)
115{
116 bfd_vma fixup_offset;
117
118 if (rofixup->flags & SEC_EXCLUDE)
119 return -1;
120
121 fixup_offset = rofixup->reloc_count * 4;
122 if (rofixup->contents)
123 {
124 BFD_ASSERT (fixup_offset < rofixup->size);
125 if (fixup_offset < rofixup->size)
126 bfd_put_32 (output_bfd, relocation, rofixup->contents + fixup_offset);
127 }
128 rofixup->reloc_count++;
129
130 return fixup_offset;
131}
132
84e94c90
NC
133/* Create .rofixup sections in DYNOBJ, and set up
134 shortcuts to them in our hash table. */
135
0a1b45a2 136static bool
84e94c90
NC
137create_rofixup_section (bfd *dynobj, struct bfd_link_info *info)
138{
139 struct elf_lm32_link_hash_table *htab;
140 htab = lm32_elf_hash_table (info);
141
4dfe6ac6 142 if (htab == NULL)
0a1b45a2 143 return false;
4dfe6ac6
NC
144
145 /* Fixup section for R_LM32_32 relocs. */
3d4d4302
AM
146 lm32fdpic_fixup32_section (info)
147 = bfd_make_section_anyway_with_flags (dynobj,
148 ".rofixup",
149 (SEC_ALLOC
150 | SEC_LOAD
151 | SEC_HAS_CONTENTS
152 | SEC_IN_MEMORY
153 | SEC_LINKER_CREATED
154 | SEC_READONLY));
84e94c90 155 if (lm32fdpic_fixup32_section (info) == NULL
fd361982 156 || !bfd_set_section_alignment (lm32fdpic_fixup32_section (info), 2))
0a1b45a2 157 return false;
84e94c90 158
0a1b45a2 159 return true;
84e94c90
NC
160}
161
162static reloc_howto_type lm32_elf_howto_table [] =
163{
164 /* This reloc does nothing. */
07d6d2b8
AM
165 HOWTO (R_LM32_NONE, /* type */
166 0, /* rightshift */
167 3, /* size (0 = byte, 1 = short, 2 = long) */
168 0, /* bitsize */
0a1b45a2 169 false, /* pc_relative */
07d6d2b8
AM
170 0, /* bitpos */
171 complain_overflow_dont, /* complain_on_overflow */
172 bfd_elf_generic_reloc, /* special_function */
173 "R_LM32_NONE", /* name */
0a1b45a2 174 false, /* partial_inplace */
07d6d2b8
AM
175 0, /* src_mask */
176 0, /* dst_mask */
0a1b45a2 177 false), /* pcrel_offset */
84e94c90
NC
178
179 /* An 8 bit absolute relocation. */
07d6d2b8
AM
180 HOWTO (R_LM32_8, /* type */
181 0, /* rightshift */
182 0, /* size (0 = byte, 1 = short, 2 = long) */
183 8, /* bitsize */
0a1b45a2 184 false, /* pc_relative */
07d6d2b8
AM
185 0, /* bitpos */
186 complain_overflow_bitfield,/* complain_on_overflow */
187 bfd_elf_generic_reloc, /* special_function */
188 "R_LM32_8", /* name */
0a1b45a2 189 false, /* partial_inplace */
07d6d2b8
AM
190 0, /* src_mask */
191 0xff, /* dst_mask */
0a1b45a2 192 false), /* pcrel_offset */
84e94c90
NC
193
194 /* A 16 bit absolute relocation. */
07d6d2b8
AM
195 HOWTO (R_LM32_16, /* type */
196 0, /* rightshift */
197 1, /* size (0 = byte, 1 = short, 2 = long) */
198 16, /* bitsize */
0a1b45a2 199 false, /* pc_relative */
07d6d2b8
AM
200 0, /* bitpos */
201 complain_overflow_bitfield,/* complain_on_overflow */
202 bfd_elf_generic_reloc, /* special_function */
203 "R_LM32_16", /* name */
0a1b45a2 204 false, /* partial_inplace */
07d6d2b8
AM
205 0, /* src_mask */
206 0xffff, /* dst_mask */
0a1b45a2 207 false), /* pcrel_offset */
84e94c90
NC
208
209 /* A 32 bit absolute relocation. */
07d6d2b8
AM
210 HOWTO (R_LM32_32, /* type */
211 0, /* rightshift */
212 2, /* size (0 = byte, 1 = short, 2 = long) */
213 32, /* bitsize */
0a1b45a2 214 false, /* pc_relative */
07d6d2b8
AM
215 0, /* bitpos */
216 complain_overflow_bitfield,/* complain_on_overflow */
217 bfd_elf_generic_reloc, /* special_function */
218 "R_LM32_32", /* name */
0a1b45a2 219 false, /* partial_inplace */
07d6d2b8
AM
220 0, /* src_mask */
221 0xffffffff, /* dst_mask */
0a1b45a2 222 false), /* pcrel_offset */
07d6d2b8
AM
223
224 HOWTO (R_LM32_HI16, /* type */
225 16, /* rightshift */
226 2, /* size (0 = byte, 1 = short, 2 = long) */
227 16, /* bitsize */
0a1b45a2 228 false, /* pc_relative */
07d6d2b8
AM
229 0, /* bitpos */
230 complain_overflow_bitfield,/* complain_on_overflow */
231 bfd_elf_generic_reloc, /* special_function */
232 "R_LM32_HI16", /* name */
0a1b45a2 233 false, /* partial_inplace */
07d6d2b8
AM
234 0, /* src_mask */
235 0xffff, /* dst_mask */
0a1b45a2 236 false), /* pcrel_offset */
07d6d2b8
AM
237
238 HOWTO (R_LM32_LO16, /* type */
239 0, /* rightshift */
240 2, /* size (0 = byte, 1 = short, 2 = long) */
241 16, /* bitsize */
0a1b45a2 242 false, /* pc_relative */
07d6d2b8
AM
243 0, /* bitpos */
244 complain_overflow_dont, /* complain_on_overflow */
245 bfd_elf_generic_reloc, /* special_function */
246 "R_LM32_LO16", /* name */
0a1b45a2 247 false, /* partial_inplace */
07d6d2b8
AM
248 0, /* src_mask */
249 0xffff, /* dst_mask */
0a1b45a2 250 false), /* pcrel_offset */
07d6d2b8
AM
251
252 HOWTO (R_LM32_GPREL16, /* type */
253 0, /* rightshift */
254 2, /* size (0 = byte, 1 = short, 2 = long) */
255 16, /* bitsize */
0a1b45a2 256 false, /* pc_relative */
07d6d2b8
AM
257 0, /* bitpos */
258 complain_overflow_dont, /* complain_on_overflow */
259 lm32_elf_gprel_reloc, /* special_function */
260 "R_LM32_GPREL16", /* name */
0a1b45a2 261 false, /* partial_inplace */
07d6d2b8
AM
262 0, /* src_mask */
263 0xffff, /* dst_mask */
0a1b45a2 264 false), /* pcrel_offset */
07d6d2b8
AM
265
266 HOWTO (R_LM32_CALL, /* type */
267 2, /* rightshift */
268 2, /* size (0 = byte, 1 = short, 2 = long) */
269 26, /* bitsize */
0a1b45a2 270 true, /* pc_relative */
07d6d2b8
AM
271 0, /* bitpos */
272 complain_overflow_signed, /* complain_on_overflow */
273 bfd_elf_generic_reloc, /* special_function */
274 "R_LM32_CALL", /* name */
0a1b45a2 275 false, /* partial_inplace */
07d6d2b8
AM
276 0, /* src_mask */
277 0x3ffffff, /* dst_mask */
0a1b45a2 278 true), /* pcrel_offset */
07d6d2b8
AM
279
280 HOWTO (R_LM32_BRANCH, /* type */
281 2, /* rightshift */
282 2, /* size (0 = byte, 1 = short, 2 = long) */
283 16, /* bitsize */
0a1b45a2 284 true, /* pc_relative */
07d6d2b8
AM
285 0, /* bitpos */
286 complain_overflow_signed, /* complain_on_overflow */
287 bfd_elf_generic_reloc, /* special_function */
288 "R_LM32_BRANCH", /* name */
0a1b45a2 289 false, /* partial_inplace */
07d6d2b8
AM
290 0, /* src_mask */
291 0xffff, /* dst_mask */
0a1b45a2 292 true), /* pcrel_offset */
84e94c90
NC
293
294 /* GNU extension to record C++ vtable hierarchy. */
07d6d2b8
AM
295 HOWTO (R_LM32_GNU_VTINHERIT, /* type */
296 0, /* rightshift */
297 2, /* size (0 = byte, 1 = short, 2 = long) */
298 0, /* bitsize */
0a1b45a2 299 false, /* pc_relative */
07d6d2b8
AM
300 0, /* bitpos */
301 complain_overflow_dont, /* complain_on_overflow */
302 NULL, /* special_function */
303 "R_LM32_GNU_VTINHERIT", /* name */
0a1b45a2 304 false, /* partial_inplace */
07d6d2b8
AM
305 0, /* src_mask */
306 0, /* dst_mask */
0a1b45a2 307 false), /* pcrel_offset */
84e94c90
NC
308
309 /* GNU extension to record C++ vtable member usage. */
07d6d2b8
AM
310 HOWTO (R_LM32_GNU_VTENTRY, /* type */
311 0, /* rightshift */
312 2, /* size (0 = byte, 1 = short, 2 = long) */
313 0, /* bitsize */
0a1b45a2 314 false, /* pc_relative */
07d6d2b8
AM
315 0, /* bitpos */
316 complain_overflow_dont, /* complain_on_overflow */
317 _bfd_elf_rel_vtable_reloc_fn,/* special_function */
318 "R_LM32_GNU_VTENTRY", /* name */
0a1b45a2 319 false, /* partial_inplace */
07d6d2b8
AM
320 0, /* src_mask */
321 0, /* dst_mask */
0a1b45a2 322 false), /* pcrel_offset */
07d6d2b8
AM
323
324 HOWTO (R_LM32_16_GOT, /* type */
325 0, /* rightshift */
326 2, /* size (0 = byte, 1 = short, 2 = long) */
327 16, /* bitsize */
0a1b45a2 328 false, /* pc_relative */
07d6d2b8
AM
329 0, /* bitpos */
330 complain_overflow_signed, /* complain_on_overflow */
331 bfd_elf_generic_reloc, /* special_function */
332 "R_LM32_16_GOT", /* name */
0a1b45a2 333 false, /* partial_inplace */
07d6d2b8
AM
334 0, /* src_mask */
335 0xffff, /* dst_mask */
0a1b45a2 336 false), /* pcrel_offset */
07d6d2b8
AM
337
338 HOWTO (R_LM32_GOTOFF_HI16, /* type */
339 16, /* rightshift */
340 2, /* size (0 = byte, 1 = short, 2 = long) */
341 16, /* bitsize */
0a1b45a2 342 false, /* pc_relative */
07d6d2b8
AM
343 0, /* bitpos */
344 complain_overflow_dont, /* complain_on_overflow */
345 bfd_elf_generic_reloc, /* special_function */
346 "R_LM32_GOTOFF_HI16", /* name */
0a1b45a2 347 false, /* partial_inplace */
07d6d2b8
AM
348 0xffff, /* src_mask */
349 0xffff, /* dst_mask */
0a1b45a2 350 false), /* pcrel_offset */
07d6d2b8
AM
351
352 HOWTO (R_LM32_GOTOFF_LO16, /* type */
353 0, /* rightshift */
354 2, /* size (0 = byte, 1 = short, 2 = long) */
355 16, /* bitsize */
0a1b45a2 356 false, /* pc_relative */
07d6d2b8
AM
357 0, /* bitpos */
358 complain_overflow_dont, /* complain_on_overflow */
359 bfd_elf_generic_reloc, /* special_function */
360 "R_LM32_GOTOFF_LO16", /* name */
0a1b45a2 361 false, /* partial_inplace */
07d6d2b8
AM
362 0xffff, /* src_mask */
363 0xffff, /* dst_mask */
0a1b45a2 364 false), /* pcrel_offset */
84e94c90
NC
365
366 HOWTO (R_LM32_COPY, /* type */
367 0, /* rightshift */
368 2, /* size (0 = byte, 1 = short, 2 = long) */
369 32, /* bitsize */
0a1b45a2 370 false, /* pc_relative */
84e94c90
NC
371 0, /* bitpos */
372 complain_overflow_bitfield, /* complain_on_overflow */
373 bfd_elf_generic_reloc, /* special_function */
374 "R_LM32_COPY", /* name */
0a1b45a2 375 false, /* partial_inplace */
84e94c90
NC
376 0xffffffff, /* src_mask */
377 0xffffffff, /* dst_mask */
0a1b45a2 378 false), /* pcrel_offset */
84e94c90
NC
379
380 HOWTO (R_LM32_GLOB_DAT, /* type */
381 0, /* rightshift */
382 2, /* size (0 = byte, 1 = short, 2 = long) */
383 32, /* bitsize */
0a1b45a2 384 false, /* pc_relative */
84e94c90
NC
385 0, /* bitpos */
386 complain_overflow_bitfield, /* complain_on_overflow */
387 bfd_elf_generic_reloc, /* special_function */
388 "R_LM32_GLOB_DAT", /* name */
0a1b45a2 389 false, /* partial_inplace */
84e94c90
NC
390 0xffffffff, /* src_mask */
391 0xffffffff, /* dst_mask */
0a1b45a2 392 false), /* pcrel_offset */
84e94c90
NC
393
394 HOWTO (R_LM32_JMP_SLOT, /* type */
395 0, /* rightshift */
396 2, /* size (0 = byte, 1 = short, 2 = long) */
397 32, /* bitsize */
0a1b45a2 398 false, /* pc_relative */
84e94c90
NC
399 0, /* bitpos */
400 complain_overflow_bitfield, /* complain_on_overflow */
401 bfd_elf_generic_reloc, /* special_function */
402 "R_LM32_JMP_SLOT", /* name */
0a1b45a2 403 false, /* partial_inplace */
84e94c90
NC
404 0xffffffff, /* src_mask */
405 0xffffffff, /* dst_mask */
0a1b45a2 406 false), /* pcrel_offset */
84e94c90
NC
407
408 HOWTO (R_LM32_RELATIVE, /* type */
409 0, /* rightshift */
410 2, /* size (0 = byte, 1 = short, 2 = long) */
411 32, /* bitsize */
0a1b45a2 412 false, /* pc_relative */
84e94c90
NC
413 0, /* bitpos */
414 complain_overflow_bitfield, /* complain_on_overflow */
415 bfd_elf_generic_reloc, /* special_function */
416 "R_LM32_RELATIVE", /* name */
0a1b45a2 417 false, /* partial_inplace */
84e94c90
NC
418 0xffffffff, /* src_mask */
419 0xffffffff, /* dst_mask */
0a1b45a2 420 false), /* pcrel_offset */
84e94c90
NC
421
422};
423
424/* Map BFD reloc types to lm32 ELF reloc types. */
425
426struct lm32_reloc_map
427{
428 bfd_reloc_code_real_type bfd_reloc_val;
429 unsigned char elf_reloc_val;
430};
431
432static const struct lm32_reloc_map lm32_reloc_map[] =
433{
07d6d2b8
AM
434 { BFD_RELOC_NONE, R_LM32_NONE },
435 { BFD_RELOC_8, R_LM32_8 },
436 { BFD_RELOC_16, R_LM32_16 },
437 { BFD_RELOC_32, R_LM32_32 },
438 { BFD_RELOC_HI16, R_LM32_HI16 },
439 { BFD_RELOC_LO16, R_LM32_LO16 },
440 { BFD_RELOC_GPREL16, R_LM32_GPREL16 },
441 { BFD_RELOC_LM32_CALL, R_LM32_CALL },
442 { BFD_RELOC_LM32_BRANCH, R_LM32_BRANCH },
443 { BFD_RELOC_VTABLE_INHERIT, R_LM32_GNU_VTINHERIT },
444 { BFD_RELOC_VTABLE_ENTRY, R_LM32_GNU_VTENTRY },
445 { BFD_RELOC_LM32_16_GOT, R_LM32_16_GOT },
84e94c90
NC
446 { BFD_RELOC_LM32_GOTOFF_HI16, R_LM32_GOTOFF_HI16 },
447 { BFD_RELOC_LM32_GOTOFF_LO16, R_LM32_GOTOFF_LO16 },
07d6d2b8
AM
448 { BFD_RELOC_LM32_COPY, R_LM32_COPY },
449 { BFD_RELOC_LM32_GLOB_DAT, R_LM32_GLOB_DAT },
450 { BFD_RELOC_LM32_JMP_SLOT, R_LM32_JMP_SLOT },
451 { BFD_RELOC_LM32_RELATIVE, R_LM32_RELATIVE },
84e94c90
NC
452};
453
454static reloc_howto_type *
455lm32_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
07d6d2b8 456 bfd_reloc_code_real_type code)
84e94c90
NC
457{
458 unsigned int i;
459
460 for (i = 0; i < sizeof (lm32_reloc_map) / sizeof (lm32_reloc_map[0]); i++)
461 if (lm32_reloc_map[i].bfd_reloc_val == code)
462 return &lm32_elf_howto_table[lm32_reloc_map[i].elf_reloc_val];
463 return NULL;
464}
465
466static reloc_howto_type *
467lm32_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
468 const char *r_name)
469{
470 unsigned int i;
471
472 for (i = 0;
473 i < sizeof (lm32_elf_howto_table) / sizeof (lm32_elf_howto_table[0]);
474 i++)
475 if (lm32_elf_howto_table[i].name != NULL
476 && strcasecmp (lm32_elf_howto_table[i].name, r_name) == 0)
477 return &lm32_elf_howto_table[i];
478
479 return NULL;
480}
481
482
483/* Set the howto pointer for an Lattice Mico32 ELF reloc. */
484
0a1b45a2 485static bool
0aa13fee 486lm32_info_to_howto_rela (bfd *abfd,
07d6d2b8
AM
487 arelent *cache_ptr,
488 Elf_Internal_Rela *dst)
84e94c90
NC
489{
490 unsigned int r_type;
491
492 r_type = ELF32_R_TYPE (dst->r_info);
5860e3f8
NC
493 if (r_type >= (unsigned int) R_LM32_max)
494 {
695344c0 495 /* xgettext:c-format */
0aa13fee
AM
496 _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
497 abfd, r_type);
f3185997 498 bfd_set_error (bfd_error_bad_value);
0a1b45a2 499 return false;
5860e3f8 500 }
84e94c90 501 cache_ptr->howto = &lm32_elf_howto_table[r_type];
0a1b45a2 502 return true;
84e94c90
NC
503}
504
505/* Set the right machine number for an Lattice Mico32 ELF file. */
506
0a1b45a2 507static bool
84e94c90
NC
508lm32_elf_object_p (bfd *abfd)
509{
510 return bfd_default_set_arch_mach (abfd, bfd_arch_lm32, bfd_mach_lm32);
511}
512
513/* Set machine type flags just before file is written out. */
514
0a1b45a2 515static bool
cc364be6 516lm32_elf_final_write_processing (bfd *abfd)
84e94c90
NC
517{
518 elf_elfheader (abfd)->e_machine = EM_LATTICEMICO32;
519 elf_elfheader (abfd)->e_flags &=~ EF_LM32_MACH;
520 switch (bfd_get_mach (abfd))
521 {
522 case bfd_mach_lm32:
07d6d2b8
AM
523 elf_elfheader (abfd)->e_flags |= E_LM32_MACH;
524 break;
84e94c90 525 default:
07d6d2b8 526 abort ();
84e94c90 527 }
cc364be6 528 return _bfd_elf_final_write_processing (abfd);
84e94c90
NC
529}
530
531/* Set the GP value for OUTPUT_BFD. Returns FALSE if this is a
532 dangerous relocation. */
533
0a1b45a2 534static bool
84e94c90
NC
535lm32_elf_assign_gp (bfd *output_bfd, bfd_vma *pgp)
536{
537 unsigned int count;
538 asymbol **sym;
539 unsigned int i;
540
541 /* If we've already figured out what GP will be, just return it. */
542 *pgp = _bfd_get_gp_value (output_bfd);
543 if (*pgp)
0a1b45a2 544 return true;
84e94c90
NC
545
546 count = bfd_get_symcount (output_bfd);
547 sym = bfd_get_outsymbols (output_bfd);
548
549 /* The linker script will have created a symbol named `_gp' with the
550 appropriate value. */
551 if (sym == NULL)
552 i = count;
553 else
554 {
555 for (i = 0; i < count; i++, sym++)
556 {
557 const char *name;
558
559 name = bfd_asymbol_name (*sym);
560 if (*name == '_' && strcmp (name, "_gp") == 0)
561 {
562 *pgp = bfd_asymbol_value (*sym);
563 _bfd_set_gp_value (output_bfd, *pgp);
564 break;
565 }
566 }
567 }
568
569 if (i >= count)
570 {
571 /* Only get the error once. */
572 *pgp = 4;
573 _bfd_set_gp_value (output_bfd, *pgp);
0a1b45a2 574 return false;
84e94c90
NC
575 }
576
0a1b45a2 577 return true;
84e94c90
NC
578}
579
580/* We have to figure out the gp value, so that we can adjust the
581 symbol value correctly. We look up the symbol _gp in the output
582 BFD. If we can't find it, we're stuck. We cache it in the ELF
583 target data. We don't need to adjust the symbol value for an
584 external symbol if we are producing relocatable output. */
585
586static bfd_reloc_status_type
0a1b45a2 587lm32_elf_final_gp (bfd *output_bfd, asymbol *symbol, bool relocatable,
07d6d2b8 588 char **error_message, bfd_vma *pgp)
84e94c90
NC
589{
590 if (bfd_is_und_section (symbol->section) && !relocatable)
591 {
592 *pgp = 0;
593 return bfd_reloc_undefined;
594 }
595
596 *pgp = _bfd_get_gp_value (output_bfd);
597 if (*pgp == 0 && (!relocatable || (symbol->flags & BSF_SECTION_SYM) != 0))
598 {
599 if (relocatable)
600 {
601 /* Make up a value. */
602 *pgp = symbol->section->output_section->vma + 0x4000;
603 _bfd_set_gp_value (output_bfd, *pgp);
604 }
605 else if (!lm32_elf_assign_gp (output_bfd, pgp))
606 {
607 *error_message =
608 (char *)
609 _("global pointer relative relocation when _gp not defined");
610 return bfd_reloc_dangerous;
611 }
612 }
613
614 return bfd_reloc_ok;
615}
616
617static bfd_reloc_status_type
618lm32_elf_do_gprel_relocate (bfd *abfd,
619 reloc_howto_type *howto,
620 asection *input_section ATTRIBUTE_UNUSED,
621 bfd_byte *data,
622 bfd_vma offset,
623 bfd_vma symbol_value,
624 bfd_vma addend)
625{
626 return _bfd_final_link_relocate (howto, abfd, input_section,
627 data, offset, symbol_value, addend);
628}
629
630static bfd_reloc_status_type
631lm32_elf_gprel_reloc (bfd *abfd,
632 arelent *reloc_entry,
633 asymbol *symbol,
634 void *data,
635 asection *input_section,
636 bfd *output_bfd,
637 char **msg)
638{
639 bfd_vma relocation;
640 bfd_vma gp;
641 bfd_reloc_status_type r;
642
643 if (output_bfd != (bfd *) NULL
644 && (symbol->flags & BSF_SECTION_SYM) == 0
645 && (!reloc_entry->howto->partial_inplace || reloc_entry->addend == 0))
646 {
647 reloc_entry->address += input_section->output_offset;
648 return bfd_reloc_ok;
649 }
650
651 if (output_bfd != NULL)
652 return bfd_reloc_ok;
653
654 relocation = symbol->value
655 + symbol->section->output_section->vma + symbol->section->output_offset;
656
657 if ((r =
0a1b45a2 658 lm32_elf_final_gp (abfd, symbol, false, msg, &gp)) == bfd_reloc_ok)
84e94c90
NC
659 {
660 relocation = relocation + reloc_entry->addend - gp;
661 reloc_entry->addend = 0;
662 if ((signed) relocation < -32768 || (signed) relocation > 32767)
663 {
664 *msg = _("global pointer relative address out of range");
665 r = bfd_reloc_outofrange;
666 }
667 else
668 {
669 r = lm32_elf_do_gprel_relocate (abfd, reloc_entry->howto,
670 input_section,
671 data, reloc_entry->address,
672 relocation, reloc_entry->addend);
673 }
674 }
675
676 return r;
677}
678
679/* Find the segment number in which OSEC, and output section, is
680 located. */
681
682static unsigned
683_lm32fdpic_osec_to_segment (bfd *output_bfd, asection *osec)
684{
685 struct elf_segment_map *m;
686 Elf_Internal_Phdr *p;
687
688 /* Find the segment that contains the output_section. */
12bd6957 689 for (m = elf_seg_map (output_bfd), p = elf_tdata (output_bfd)->phdr;
84e94c90
NC
690 m != NULL;
691 m = m->next, p++)
692 {
693 int i;
694
695 for (i = m->count - 1; i >= 0; i--)
696 if (m->sections[i] == osec)
697 break;
698
699 if (i >= 0)
700 break;
701 }
702
703 return p - elf_tdata (output_bfd)->phdr;
704}
705
706/* Determine if an output section is read-only. */
707
0a1b45a2 708inline static bool
84e94c90
NC
709_lm32fdpic_osec_readonly_p (bfd *output_bfd, asection *osec)
710{
711 unsigned seg = _lm32fdpic_osec_to_segment (output_bfd, osec);
712
713 return ! (elf_tdata (output_bfd)->phdr[seg].p_flags & PF_W);
714}
715
716/* Relocate a section */
717
0f684201 718static int
84e94c90 719lm32_elf_relocate_section (bfd *output_bfd,
07d6d2b8
AM
720 struct bfd_link_info *info,
721 bfd *input_bfd,
722 asection *input_section,
723 bfd_byte *contents,
724 Elf_Internal_Rela *relocs,
725 Elf_Internal_Sym *local_syms,
726 asection **local_sections)
84e94c90
NC
727{
728 Elf_Internal_Shdr *symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
729 struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (input_bfd);
730 Elf_Internal_Rela *rel, *relend;
84e94c90 731 struct elf_lm32_link_hash_table *htab = lm32_elf_hash_table (info);
84e94c90 732 bfd_vma *local_got_offsets;
c7e2358a 733 asection *sgot;
84e94c90 734
4dfe6ac6 735 if (htab == NULL)
0a1b45a2 736 return false;
4dfe6ac6 737
84e94c90
NC
738 local_got_offsets = elf_local_got_offsets (input_bfd);
739
ce558b89 740 sgot = htab->root.sgot;
84e94c90
NC
741
742 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
743 sym_hashes = elf_sym_hashes (input_bfd);
744
745 rel = relocs;
746 relend = relocs + input_section->reloc_count;
747 for (; rel < relend; rel++)
748 {
749 reloc_howto_type *howto;
750 unsigned int r_type;
751 unsigned long r_symndx;
752 Elf_Internal_Sym *sym;
753 asection *sec;
754 struct elf_link_hash_entry *h;
755 bfd_vma relocation;
756 bfd_vma gp;
757 bfd_reloc_status_type r;
758 const char *name = NULL;
84e94c90
NC
759
760 r_symndx = ELF32_R_SYM (rel->r_info);
761 r_type = ELF32_R_TYPE (rel->r_info);
762
763 if (r_type == R_LM32_GNU_VTENTRY
07d6d2b8
AM
764 || r_type == R_LM32_GNU_VTINHERIT )
765 continue;
84e94c90
NC
766
767 h = NULL;
768 sym = NULL;
769 sec = NULL;
770
771 howto = lm32_elf_howto_table + r_type;
772
773 if (r_symndx < symtab_hdr->sh_info)
07d6d2b8
AM
774 {
775 /* It's a local symbol. */
776 sym = local_syms + r_symndx;
777 sec = local_sections[r_symndx];
778 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
779 name = bfd_elf_string_from_elf_section
84e94c90 780 (input_bfd, symtab_hdr->sh_link, sym->st_name);
fd361982 781 name = name == NULL ? bfd_section_name (sec) : name;
07d6d2b8 782 }
84e94c90 783 else
07d6d2b8
AM
784 {
785 /* It's a global symbol. */
0a1b45a2
AM
786 bool unresolved_reloc;
787 bool warned, ignored;
84e94c90
NC
788
789 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
790 r_symndx, symtab_hdr, sym_hashes,
791 h, sec, relocation,
62d887d4 792 unresolved_reloc, warned, ignored);
84e94c90 793 name = h->root.root.string;
07d6d2b8 794 }
84e94c90 795
dbaa2011 796 if (sec != NULL && discarded_section (sec))
e4067dbb 797 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
545fd46b 798 rel, 1, relend, howto, 0, contents);
84e94c90 799
0e1862bb 800 if (bfd_link_relocatable (info))
07d6d2b8 801 {
84e94c90
NC
802 /* This is a relocatable link. We don't have to change
803 anything, unless the reloc is against a section symbol,
804 in which case we have to adjust according to where the
805 section symbol winds up in the output section. */
806 if (sym == NULL || ELF_ST_TYPE (sym->st_info) != STT_SECTION)
807 continue;
808
809 /* If partial_inplace, we need to store any additional addend
810 back in the section. */
811 if (! howto->partial_inplace)
812 continue;
813
07d6d2b8 814 /* Shouldn't reach here. */
84e94c90
NC
815 abort ();
816 r = bfd_reloc_ok;
07d6d2b8 817 }
84e94c90 818 else
07d6d2b8
AM
819 {
820 switch (howto->type)
821 {
822 case R_LM32_GPREL16:
823 if (!lm32_elf_assign_gp (output_bfd, &gp))
824 r = bfd_reloc_dangerous;
825 else
826 {
827 relocation = relocation + rel->r_addend - gp;
828 rel->r_addend = 0;
829 if ((signed)relocation < -32768 || (signed)relocation > 32767)
830 r = bfd_reloc_outofrange;
831 else
832 {
833 r = _bfd_final_link_relocate (howto, input_bfd,
834 input_section, contents,
835 rel->r_offset, relocation,
836 rel->r_addend);
837 }
838 }
839 break;
840 case R_LM32_16_GOT:
841 /* Relocation is to the entry for this symbol in the global
842 offset table. */
843 BFD_ASSERT (sgot != NULL);
844 if (h != NULL)
845 {
0a1b45a2 846 bool dyn;
07d6d2b8
AM
847 bfd_vma off;
848
849 off = h->got.offset;
850 BFD_ASSERT (off != (bfd_vma) -1);
851
852 dyn = htab->root.dynamic_sections_created;
853 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
0e1862bb
L
854 bfd_link_pic (info),
855 h)
07d6d2b8
AM
856 || (bfd_link_pic (info)
857 && (info->symbolic
858 || h->dynindx == -1
859 || h->forced_local)
860 && h->def_regular))
861 {
862 /* This is actually a static link, or it is a
863 -Bsymbolic link and the symbol is defined
864 locally, or the symbol was forced to be local
865 because of a version file. We must initialize
866 this entry in the global offset table. Since the
867 offset must always be a multiple of 4, we use the
868 least significant bit to record whether we have
869 initialized it already.
870
871 When doing a dynamic link, we create a .rela.got
872 relocation entry to initialize the value. This
873 is done in the finish_dynamic_symbol routine. */
874 if ((off & 1) != 0)
875 off &= ~1;
876 else
877 {
878 /* Write entry in GOT */
879 bfd_put_32 (output_bfd, relocation,
880 sgot->contents + off);
881 /* Create entry in .rofixup pointing to GOT entry. */
882 if (IS_FDPIC (output_bfd) && h->root.type != bfd_link_hash_undefweak)
883 {
884 _lm32fdpic_add_rofixup (output_bfd,
885 lm32fdpic_fixup32_section
886 (info),
887 sgot->output_section->vma
888 + sgot->output_offset
889 + off);
890 }
891 /* Mark GOT entry as having been written. */
892 h->got.offset |= 1;
893 }
894 }
895
896 relocation = sgot->output_offset + off;
897 }
898 else
899 {
900 bfd_vma off;
901 bfd_byte *loc;
902
903 BFD_ASSERT (local_got_offsets != NULL
904 && local_got_offsets[r_symndx] != (bfd_vma) -1);
905
906 /* Get offset into GOT table. */
907 off = local_got_offsets[r_symndx];
908
909 /* The offset must always be a multiple of 4. We use
910 the least significant bit to record whether we have
911 already processed this entry. */
912 if ((off & 1) != 0)
913 off &= ~1;
914 else
915 {
916 /* Write entry in GOT. */
917 bfd_put_32 (output_bfd, relocation, sgot->contents + off);
918 /* Create entry in .rofixup pointing to GOT entry. */
919 if (IS_FDPIC (output_bfd))
920 {
921 _lm32fdpic_add_rofixup (output_bfd,
922 lm32fdpic_fixup32_section
923 (info),
924 sgot->output_section->vma
925 + sgot->output_offset
926 + off);
927 }
928
929 if (bfd_link_pic (info))
930 {
931 asection *srelgot;
932 Elf_Internal_Rela outrel;
933
934 /* We need to generate a R_LM32_RELATIVE reloc
935 for the dynamic linker. */
936 srelgot = htab->root.srelgot;
937 BFD_ASSERT (srelgot != NULL);
938
939 outrel.r_offset = (sgot->output_section->vma
940 + sgot->output_offset
941 + off);
942 outrel.r_info = ELF32_R_INFO (0, R_LM32_RELATIVE);
943 outrel.r_addend = relocation;
944 loc = srelgot->contents;
945 loc += srelgot->reloc_count * sizeof (Elf32_External_Rela);
946 bfd_elf32_swap_reloca_out (output_bfd, &outrel,loc);
947 ++srelgot->reloc_count;
948 }
949
950 local_got_offsets[r_symndx] |= 1;
951 }
952
953
954 relocation = sgot->output_offset + off;
955 }
956
957 /* Addend should be zero. */
958 if (rel->r_addend != 0)
38f14ab8
AM
959 _bfd_error_handler
960 (_("internal error: addend should be zero for %s"),
961 "R_LM32_16_GOT");
84e94c90 962
07d6d2b8
AM
963 r = _bfd_final_link_relocate (howto,
964 input_bfd,
965 input_section,
966 contents,
967 rel->r_offset,
968 relocation,
969 rel->r_addend);
970 break;
971
972 case R_LM32_GOTOFF_LO16:
973 case R_LM32_GOTOFF_HI16:
974 /* Relocation is offset from GOT. */
84e94c90
NC
975 BFD_ASSERT (sgot != NULL);
976 relocation -= sgot->output_section->vma;
977 /* Account for sign-extension. */
07d6d2b8
AM
978 if ((r_type == R_LM32_GOTOFF_HI16)
979 && ((relocation + rel->r_addend) & 0x8000))
980 rel->r_addend += 0x10000;
981 r = _bfd_final_link_relocate (howto,
982 input_bfd,
983 input_section,
984 contents,
985 rel->r_offset,
986 relocation,
987 rel->r_addend);
988 break;
989
990 case R_LM32_32:
991 if (IS_FDPIC (output_bfd))
992 {
993 if ((!h) || (h && h->root.type != bfd_link_hash_undefweak))
994 {
995 /* Only create .rofixup entries for relocs in loadable sections. */
fd361982 996 if ((bfd_section_flags (input_section->output_section)
07d6d2b8
AM
997 & (SEC_ALLOC | SEC_LOAD)) == (SEC_ALLOC | SEC_LOAD))
998
999 {
1000 /* Check address to be modified is writable. */
1001 if (_lm32fdpic_osec_readonly_p (output_bfd,
1002 input_section
1003 ->output_section))
1004 {
1005 info->callbacks->warning
1006 (info,
1007 _("cannot emit dynamic relocations in read-only section"),
1008 name, input_bfd, input_section, rel->r_offset);
0a1b45a2 1009 return false;
07d6d2b8
AM
1010 }
1011 /* Create entry in .rofixup section. */
1012 _lm32fdpic_add_rofixup (output_bfd,
1013 lm32fdpic_fixup32_section (info),
1014 input_section->output_section->vma
1015 + input_section->output_offset
1016 + rel->r_offset);
1017 }
1018 }
1019 }
1020 /* Fall through. */
1021
1022 default:
1023 r = _bfd_final_link_relocate (howto,
1024 input_bfd,
1025 input_section,
1026 contents,
1027 rel->r_offset,
1028 relocation,
1029 rel->r_addend);
1030 break;
1031 }
1032 }
84e94c90
NC
1033
1034 if (r != bfd_reloc_ok)
07d6d2b8
AM
1035 {
1036 const char *msg = NULL;
1037 arelent bfd_reloc;
1038
f3185997
NC
1039 if (! lm32_info_to_howto_rela (input_bfd, &bfd_reloc, rel))
1040 continue;
07d6d2b8
AM
1041 howto = bfd_reloc.howto;
1042
1043 if (h != NULL)
1044 name = h->root.root.string;
1045 else
1046 {
1047 name = (bfd_elf_string_from_elf_section
1048 (input_bfd, symtab_hdr->sh_link, sym->st_name));
1049 if (name == NULL || *name == '\0')
fd361982 1050 name = bfd_section_name (sec);
07d6d2b8
AM
1051 }
1052
1053 switch (r)
1054 {
84e94c90
NC
1055 case bfd_reloc_overflow:
1056 if ((h != NULL)
07d6d2b8
AM
1057 && (h->root.type == bfd_link_hash_undefweak))
1058 break;
1a72702b
AM
1059 (*info->callbacks->reloc_overflow)
1060 (info, (h ? &h->root : NULL), name, howto->name,
1061 (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
84e94c90
NC
1062 break;
1063
07d6d2b8 1064 case bfd_reloc_undefined:
1a72702b 1065 (*info->callbacks->undefined_symbol)
0a1b45a2 1066 (info, name, input_bfd, input_section, rel->r_offset, true);
07d6d2b8 1067 break;
84e94c90 1068
07d6d2b8
AM
1069 case bfd_reloc_outofrange:
1070 msg = _("internal error: out of range error");
1071 goto common_error;
84e94c90 1072
07d6d2b8
AM
1073 case bfd_reloc_notsupported:
1074 msg = _("internal error: unsupported relocation error");
1075 goto common_error;
84e94c90 1076
07d6d2b8
AM
1077 case bfd_reloc_dangerous:
1078 msg = _("internal error: dangerous error");
1079 goto common_error;
84e94c90 1080
07d6d2b8
AM
1081 default:
1082 msg = _("internal error: unknown error");
1083 /* fall through */
84e94c90 1084
07d6d2b8 1085 common_error:
1a72702b
AM
1086 (*info->callbacks->warning) (info, msg, name, input_bfd,
1087 input_section, rel->r_offset);
07d6d2b8
AM
1088 break;
1089 }
1090 }
84e94c90
NC
1091 }
1092
0a1b45a2 1093 return true;
84e94c90
NC
1094}
1095
1096static asection *
1097lm32_elf_gc_mark_hook (asection *sec,
07d6d2b8
AM
1098 struct bfd_link_info *info,
1099 Elf_Internal_Rela *rel,
1100 struct elf_link_hash_entry *h,
1101 Elf_Internal_Sym *sym)
84e94c90
NC
1102{
1103 if (h != NULL)
1104 switch (ELF32_R_TYPE (rel->r_info))
1105 {
1106 case R_LM32_GNU_VTINHERIT:
1107 case R_LM32_GNU_VTENTRY:
1108 return NULL;
1109 }
1110
1111 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
1112}
1113
84e94c90
NC
1114/* Look through the relocs for a section during the first phase. */
1115
0a1b45a2 1116static bool
84e94c90 1117lm32_elf_check_relocs (bfd *abfd,
07d6d2b8
AM
1118 struct bfd_link_info *info,
1119 asection *sec,
1120 const Elf_Internal_Rela *relocs)
84e94c90
NC
1121{
1122 Elf_Internal_Shdr *symtab_hdr;
9bc8e54b 1123 struct elf_link_hash_entry **sym_hashes;
84e94c90
NC
1124 const Elf_Internal_Rela *rel;
1125 const Elf_Internal_Rela *rel_end;
1126 struct elf_lm32_link_hash_table *htab;
1127 bfd *dynobj;
84e94c90 1128
0e1862bb 1129 if (bfd_link_relocatable (info))
0a1b45a2 1130 return true;
84e94c90 1131
84e94c90
NC
1132 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
1133 sym_hashes = elf_sym_hashes (abfd);
84e94c90
NC
1134
1135 htab = lm32_elf_hash_table (info);
4dfe6ac6 1136 if (htab == NULL)
0a1b45a2 1137 return false;
4dfe6ac6 1138
84e94c90 1139 dynobj = htab->root.dynobj;
84e94c90
NC
1140
1141 rel_end = relocs + sec->reloc_count;
1142 for (rel = relocs; rel < rel_end; rel++)
1143 {
1144 int r_type;
1145 struct elf_link_hash_entry *h;
1146 unsigned long r_symndx;
1147
1148 r_symndx = ELF32_R_SYM (rel->r_info);
1149 r_type = ELF32_R_TYPE (rel->r_info);
1150 if (r_symndx < symtab_hdr->sh_info)
07d6d2b8 1151 h = NULL;
84e94c90
NC
1152 else
1153 {
1154 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1155 while (h->root.type == bfd_link_hash_indirect
1156 || h->root.type == bfd_link_hash_warning)
1157 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1158 }
1159
1160 /* Some relocs require a global offset table. */
ce558b89 1161 if (htab->root.sgot == NULL)
07d6d2b8
AM
1162 {
1163 switch (r_type)
1164 {
1165 case R_LM32_16_GOT:
1166 case R_LM32_GOTOFF_HI16:
1167 case R_LM32_GOTOFF_LO16:
1168 if (dynobj == NULL)
1169 htab->root.dynobj = dynobj = abfd;
1170 if (!_bfd_elf_create_got_section (dynobj, info))
0a1b45a2 1171 return false;
07d6d2b8
AM
1172 break;
1173 }
1174 }
84e94c90
NC
1175
1176 /* Some relocs require a rofixup table. */
1177 if (IS_FDPIC (abfd))
07d6d2b8
AM
1178 {
1179 switch (r_type)
1180 {
1181 case R_LM32_32:
1182 /* FDPIC requires a GOT if there is a .rofixup section
1183 (Normal ELF doesn't). */
1184 if (dynobj == NULL)
1185 htab->root.dynobj = dynobj = abfd;
1186 if (!_bfd_elf_create_got_section (dynobj, info))
0a1b45a2 1187 return false;
07d6d2b8
AM
1188 /* Create .rofixup section */
1189 if (htab->sfixup32 == NULL)
1190 {
1191 if (! create_rofixup_section (dynobj, info))
0a1b45a2 1192 return false;
07d6d2b8
AM
1193 }
1194 break;
1195 case R_LM32_16_GOT:
1196 case R_LM32_GOTOFF_HI16:
1197 case R_LM32_GOTOFF_LO16:
1198 /* Create .rofixup section. */
1199 if (htab->sfixup32 == NULL)
1200 {
3d4d4302
AM
1201 if (dynobj == NULL)
1202 htab->root.dynobj = dynobj = abfd;
07d6d2b8 1203 if (! create_rofixup_section (dynobj, info))
0a1b45a2 1204 return false;
07d6d2b8
AM
1205 }
1206 break;
1207 }
1208 }
84e94c90
NC
1209
1210 switch (r_type)
1211 {
1212 case R_LM32_16_GOT:
07d6d2b8
AM
1213 if (h != NULL)
1214 h->got.refcount += 1;
1215 else
1216 {
1217 bfd_signed_vma *local_got_refcounts;
1218
1219 /* This is a global offset table entry for a local symbol. */
1220 local_got_refcounts = elf_local_got_refcounts (abfd);
1221 if (local_got_refcounts == NULL)
1222 {
1223 bfd_size_type size;
1224
1225 size = symtab_hdr->sh_info;
1226 size *= sizeof (bfd_signed_vma);
1227 local_got_refcounts = bfd_zalloc (abfd, size);
1228 if (local_got_refcounts == NULL)
0a1b45a2 1229 return false;
07d6d2b8
AM
1230 elf_local_got_refcounts (abfd) = local_got_refcounts;
1231 }
1232 local_got_refcounts[r_symndx] += 1;
1233 }
1234 break;
1235
1236 /* This relocation describes the C++ object vtable hierarchy.
1237 Reconstruct it for later use during GC. */
1238 case R_LM32_GNU_VTINHERIT:
1239 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
0a1b45a2 1240 return false;
07d6d2b8
AM
1241 break;
1242
1243 /* This relocation describes which C++ vtable entries are actually
1244 used. Record for later use during GC. */
1245 case R_LM32_GNU_VTENTRY:
1246 if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
0a1b45a2 1247 return false;
07d6d2b8
AM
1248 break;
1249
1250 }
84e94c90
NC
1251 }
1252
0a1b45a2 1253 return true;
84e94c90
NC
1254}
1255
1256/* Finish up the dynamic sections. */
1257
0a1b45a2 1258static bool
84e94c90
NC
1259lm32_elf_finish_dynamic_sections (bfd *output_bfd,
1260 struct bfd_link_info *info)
1261{
1262 struct elf_lm32_link_hash_table *htab;
1263 bfd *dynobj;
1264 asection *sdyn;
1265 asection *sgot;
1266
1267 htab = lm32_elf_hash_table (info);
4dfe6ac6 1268 if (htab == NULL)
0a1b45a2 1269 return false;
4dfe6ac6 1270
84e94c90
NC
1271 dynobj = htab->root.dynobj;
1272
ce558b89 1273 sgot = htab->root.sgotplt;
3d4d4302 1274 sdyn = bfd_get_linker_section (dynobj, ".dynamic");
84e94c90
NC
1275
1276 if (htab->root.dynamic_sections_created)
1277 {
1278 asection *splt;
1279 Elf32_External_Dyn *dyncon, *dynconend;
1280
1281 BFD_ASSERT (sgot != NULL && sdyn != NULL);
1282
1283 dyncon = (Elf32_External_Dyn *) sdyn->contents;
1284 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
1285
1286 for (; dyncon < dynconend; dyncon++)
07d6d2b8
AM
1287 {
1288 Elf_Internal_Dyn dyn;
1289 asection *s;
1290
1291 bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
1292
1293 switch (dyn.d_tag)
1294 {
1295 default:
1296 break;
1297
1298 case DT_PLTGOT:
1299 s = htab->root.sgotplt;
1300 goto get_vma;
1301 case DT_JMPREL:
1302 s = htab->root.srelplt;
1303 get_vma:
1304 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
1305 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
1306 break;
1307
1308 case DT_PLTRELSZ:
1309 s = htab->root.srelplt;
84e94c90 1310 dyn.d_un.d_val = s->size;
07d6d2b8
AM
1311 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
1312 break;
1313 }
1314 }
84e94c90
NC
1315
1316 /* Fill in the first entry in the procedure linkage table. */
ce558b89 1317 splt = htab->root.splt;
84e94c90 1318 if (splt && splt->size > 0)
07d6d2b8
AM
1319 {
1320 if (bfd_link_pic (info))
1321 {
1322 bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD0, splt->contents);
1323 bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD1, splt->contents + 4);
1324 bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD2, splt->contents + 8);
1325 bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD3, splt->contents + 12);
1326 bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD4, splt->contents + 16);
1327 }
1328 else
1329 {
1330 unsigned long addr;
1331 /* addr = .got + 4 */
1332 addr = sgot->output_section->vma + sgot->output_offset + 4;
1333 bfd_put_32 (output_bfd,
84e94c90
NC
1334 PLT0_ENTRY_WORD0 | ((addr >> 16) & 0xffff),
1335 splt->contents);
07d6d2b8 1336 bfd_put_32 (output_bfd,
84e94c90
NC
1337 PLT0_ENTRY_WORD1 | (addr & 0xffff),
1338 splt->contents + 4);
07d6d2b8
AM
1339 bfd_put_32 (output_bfd, PLT0_ENTRY_WORD2, splt->contents + 8);
1340 bfd_put_32 (output_bfd, PLT0_ENTRY_WORD3, splt->contents + 12);
1341 bfd_put_32 (output_bfd, PLT0_ENTRY_WORD4, splt->contents + 16);
1342 }
1343
1344 elf_section_data (splt->output_section)->this_hdr.sh_entsize =
1345 PLT_ENTRY_SIZE;
1346 }
84e94c90
NC
1347 }
1348
1349 /* Fill in the first three entries in the global offset table. */
1350 if (sgot && sgot->size > 0)
1351 {
1352 if (sdyn == NULL)
07d6d2b8 1353 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents);
84e94c90 1354 else
07d6d2b8
AM
1355 bfd_put_32 (output_bfd,
1356 sdyn->output_section->vma + sdyn->output_offset,
1357 sgot->contents);
84e94c90
NC
1358 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 4);
1359 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 8);
1360
1361 /* FIXME: This can be null if create_dynamic_sections wasn't called. */
1362 if (elf_section_data (sgot->output_section) != NULL)
07d6d2b8 1363 elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
84e94c90
NC
1364 }
1365
1366 if (lm32fdpic_fixup32_section (info))
1367 {
1368 struct elf_link_hash_entry *hgot = elf_hash_table (info)->hgot;
1369 bfd_vma got_value = hgot->root.u.def.value
07d6d2b8
AM
1370 + hgot->root.u.def.section->output_section->vma
1371 + hgot->root.u.def.section->output_offset;
84e94c90
NC
1372 struct bfd_link_hash_entry *hend;
1373
1374 /* Last entry is pointer to GOT. */
1375 _lm32fdpic_add_rofixup (output_bfd, lm32fdpic_fixup32_section (info), got_value);
1376
1377 /* Check we wrote enough entries. */
1378 if (lm32fdpic_fixup32_section (info)->size
07d6d2b8
AM
1379 != (lm32fdpic_fixup32_section (info)->reloc_count * 4))
1380 {
4eca0228 1381 _bfd_error_handler
2dcf00ce
AM
1382 ("LINKER BUG: .rofixup section size mismatch: size/4 %" PRId64
1383 " != relocs %d",
1384 (int64_t) (lm32fdpic_fixup32_section (info)->size / 4),
07d6d2b8 1385 lm32fdpic_fixup32_section (info)->reloc_count);
0a1b45a2 1386 return false;
07d6d2b8 1387 }
84e94c90
NC
1388
1389 hend = bfd_link_hash_lookup (info->hash, "__ROFIXUP_END__",
0a1b45a2 1390 false, false, true);
84e94c90 1391 if (hend
07d6d2b8 1392 && (hend->type == bfd_link_hash_defined
a0f6fd21
AM
1393 || hend->type == bfd_link_hash_defweak)
1394 && hend->u.def.section->output_section != NULL)
07d6d2b8
AM
1395 {
1396 bfd_vma value =
1397 lm32fdpic_fixup32_section (info)->output_section->vma
1398 + lm32fdpic_fixup32_section (info)->output_offset
1399 + lm32fdpic_fixup32_section (info)->size
1400 - hend->u.def.section->output_section->vma
1401 - hend->u.def.section->output_offset;
1402 BFD_ASSERT (hend->u.def.value == value);
1403 if (hend->u.def.value != value)
1404 {
4eca0228 1405 _bfd_error_handler
2dcf00ce
AM
1406 ("LINKER BUG: .rofixup section hend->u.def.value != value: %"
1407 PRId64 " != %" PRId64,
1408 (int64_t) hend->u.def.value, (int64_t) value);
0a1b45a2 1409 return false;
07d6d2b8
AM
1410 }
1411 }
84e94c90
NC
1412 }
1413
0a1b45a2 1414 return true;
84e94c90
NC
1415}
1416
1417/* Finish up dynamic symbol handling. We set the contents of various
1418 dynamic sections here. */
1419
0a1b45a2 1420static bool
84e94c90
NC
1421lm32_elf_finish_dynamic_symbol (bfd *output_bfd,
1422 struct bfd_link_info *info,
1423 struct elf_link_hash_entry *h,
1424 Elf_Internal_Sym *sym)
1425{
1426 struct elf_lm32_link_hash_table *htab;
84e94c90
NC
1427 bfd_byte *loc;
1428
1429 htab = lm32_elf_hash_table (info);
4dfe6ac6 1430 if (htab == NULL)
0a1b45a2 1431 return false;
4dfe6ac6 1432
84e94c90
NC
1433 if (h->plt.offset != (bfd_vma) -1)
1434 {
1435 asection *splt;
1436 asection *sgot;
1437 asection *srela;
1438
1439 bfd_vma plt_index;
1440 bfd_vma got_offset;
1441 Elf_Internal_Rela rela;
1442
1443 /* This symbol has an entry in the procedure linkage table. Set
07d6d2b8 1444 it up. */
84e94c90
NC
1445 BFD_ASSERT (h->dynindx != -1);
1446
ce558b89
AM
1447 splt = htab->root.splt;
1448 sgot = htab->root.sgotplt;
1449 srela = htab->root.srelplt;
84e94c90
NC
1450 BFD_ASSERT (splt != NULL && sgot != NULL && srela != NULL);
1451
1452 /* Get the index in the procedure linkage table which
07d6d2b8
AM
1453 corresponds to this symbol. This is the index of this symbol
1454 in all the symbols for which we are making plt entries. The
1455 first entry in the procedure linkage table is reserved. */
84e94c90
NC
1456 plt_index = h->plt.offset / PLT_ENTRY_SIZE - 1;
1457
1458 /* Get the offset into the .got table of the entry that
07d6d2b8
AM
1459 corresponds to this function. Each .got entry is 4 bytes.
1460 The first three are reserved. */
84e94c90
NC
1461 got_offset = (plt_index + 3) * 4;
1462
1463 /* Fill in the entry in the procedure linkage table. */
0e1862bb 1464 if (! bfd_link_pic (info))
07d6d2b8
AM
1465 {
1466 /* TODO */
1467 }
84e94c90 1468 else
07d6d2b8
AM
1469 {
1470 /* TODO */
1471 }
84e94c90
NC
1472
1473 /* Fill in the entry in the global offset table. */
1474 bfd_put_32 (output_bfd,
07d6d2b8
AM
1475 (splt->output_section->vma
1476 + splt->output_offset
1477 + h->plt.offset
1478 + 12), /* same offset */
1479 sgot->contents + got_offset);
84e94c90
NC
1480
1481 /* Fill in the entry in the .rela.plt section. */
1482 rela.r_offset = (sgot->output_section->vma
07d6d2b8
AM
1483 + sgot->output_offset
1484 + got_offset);
84e94c90
NC
1485 rela.r_info = ELF32_R_INFO (h->dynindx, R_LM32_JMP_SLOT);
1486 rela.r_addend = 0;
1487 loc = srela->contents;
1488 loc += plt_index * sizeof (Elf32_External_Rela);
1489 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
1490
1491 if (!h->def_regular)
07d6d2b8
AM
1492 {
1493 /* Mark the symbol as undefined, rather than as defined in
1494 the .plt section. Leave the value alone. */
1495 sym->st_shndx = SHN_UNDEF;
1496 }
84e94c90
NC
1497
1498 }
1499
1500 if (h->got.offset != (bfd_vma) -1)
1501 {
1502 asection *sgot;
1503 asection *srela;
1504 Elf_Internal_Rela rela;
1505
1506 /* This symbol has an entry in the global offset table. Set it
07d6d2b8 1507 up. */
ce558b89
AM
1508 sgot = htab->root.sgot;
1509 srela = htab->root.srelgot;
84e94c90
NC
1510 BFD_ASSERT (sgot != NULL && srela != NULL);
1511
1512 rela.r_offset = (sgot->output_section->vma
07d6d2b8
AM
1513 + sgot->output_offset
1514 + (h->got.offset &~ 1));
84e94c90
NC
1515
1516 /* If this is a -Bsymbolic link, and the symbol is defined
07d6d2b8
AM
1517 locally, we just want to emit a RELATIVE reloc. Likewise if
1518 the symbol was forced to be local because of a version file.
1519 The entry in the global offset table will already have been
1520 initialized in the relocate_section function. */
0e1862bb 1521 if (bfd_link_pic (info)
07d6d2b8 1522 && (info->symbolic
84e94c90
NC
1523 || h->dynindx == -1
1524 || h->forced_local)
07d6d2b8
AM
1525 && h->def_regular)
1526 {
1527 rela.r_info = ELF32_R_INFO (0, R_LM32_RELATIVE);
1528 rela.r_addend = (h->root.u.def.value
1529 + h->root.u.def.section->output_section->vma
1530 + h->root.u.def.section->output_offset);
1531 }
84e94c90 1532 else
07d6d2b8 1533 {
84e94c90 1534 BFD_ASSERT ((h->got.offset & 1) == 0);
07d6d2b8
AM
1535 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
1536 rela.r_info = ELF32_R_INFO (h->dynindx, R_LM32_GLOB_DAT);
1537 rela.r_addend = 0;
1538 }
84e94c90
NC
1539
1540 loc = srela->contents;
1541 loc += srela->reloc_count * sizeof (Elf32_External_Rela);
1542 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
1543 ++srela->reloc_count;
1544 }
1545
1546 if (h->needs_copy)
1547 {
1548 asection *s;
1549 Elf_Internal_Rela rela;
1550
1551 /* This symbols needs a copy reloc. Set it up. */
1552 BFD_ASSERT (h->dynindx != -1
07d6d2b8
AM
1553 && (h->root.type == bfd_link_hash_defined
1554 || h->root.type == bfd_link_hash_defweak));
84e94c90 1555
3d4d4302 1556 s = bfd_get_linker_section (htab->root.dynobj, ".rela.bss");
84e94c90
NC
1557 BFD_ASSERT (s != NULL);
1558
1559 rela.r_offset = (h->root.u.def.value
07d6d2b8
AM
1560 + h->root.u.def.section->output_section->vma
1561 + h->root.u.def.section->output_offset);
84e94c90
NC
1562 rela.r_info = ELF32_R_INFO (h->dynindx, R_LM32_COPY);
1563 rela.r_addend = 0;
1564 loc = s->contents;
1565 loc += s->reloc_count * sizeof (Elf32_External_Rela);
1566 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
1567 ++s->reloc_count;
1568 }
1569
1570 /* Mark some specially defined symbols as absolute. */
9637f6ef 1571 if (h == htab->root.hdynamic || h == htab->root.hgot)
84e94c90
NC
1572 sym->st_shndx = SHN_ABS;
1573
0a1b45a2 1574 return true;
84e94c90
NC
1575}
1576
1577static enum elf_reloc_type_class
7e612e98
AM
1578lm32_elf_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
1579 const asection *rel_sec ATTRIBUTE_UNUSED,
1580 const Elf_Internal_Rela *rela)
84e94c90
NC
1581{
1582 switch ((int) ELF32_R_TYPE (rela->r_info))
1583 {
1584 case R_LM32_RELATIVE: return reloc_class_relative;
1585 case R_LM32_JMP_SLOT: return reloc_class_plt;
1586 case R_LM32_COPY: return reloc_class_copy;
07d6d2b8 1587 default: return reloc_class_normal;
84e94c90
NC
1588 }
1589}
1590
1591/* Adjust a symbol defined by a dynamic object and referenced by a
1592 regular object. The current definition is in some section of the
1593 dynamic object, but we're not including those sections. We have to
1594 change the definition to something the rest of the link can
1595 understand. */
1596
0a1b45a2 1597static bool
84e94c90
NC
1598lm32_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
1599 struct elf_link_hash_entry *h)
1600{
1601 struct elf_lm32_link_hash_table *htab;
84e94c90
NC
1602 bfd *dynobj;
1603 asection *s;
1604
1605 dynobj = elf_hash_table (info)->dynobj;
1606
1607 /* Make sure we know what is going on here. */
1608 BFD_ASSERT (dynobj != NULL
07d6d2b8
AM
1609 && (h->needs_plt
1610 || h->is_weakalias
1611 || (h->def_dynamic
1612 && h->ref_regular
1613 && !h->def_regular)));
84e94c90
NC
1614
1615 /* If this is a function, put it in the procedure linkage table. We
1616 will fill in the contents of the procedure linkage table later,
1617 when we know the address of the .got section. */
1618 if (h->type == STT_FUNC
1619 || h->needs_plt)
1620 {
0e1862bb 1621 if (! bfd_link_pic (info)
07d6d2b8
AM
1622 && !h->def_dynamic
1623 && !h->ref_dynamic
84e94c90
NC
1624 && h->root.type != bfd_link_hash_undefweak
1625 && h->root.type != bfd_link_hash_undefined)
07d6d2b8
AM
1626 {
1627 /* This case can occur if we saw a PLT reloc in an input
1628 file, but the symbol was never referred to by a dynamic
1629 object. In such a case, we don't actually need to build
1630 a procedure linkage table, and we can just do a PCREL
1631 reloc instead. */
1632 h->plt.offset = (bfd_vma) -1;
1633 h->needs_plt = 0;
1634 }
84e94c90 1635
0a1b45a2 1636 return true;
84e94c90
NC
1637 }
1638 else
1639 h->plt.offset = (bfd_vma) -1;
1640
1641 /* If this is a weak symbol, and there is a real definition, the
1642 processor independent code will have arranged for us to see the
1643 real definition first, and we can just use the same value. */
60d67dc8 1644 if (h->is_weakalias)
84e94c90 1645 {
60d67dc8
AM
1646 struct elf_link_hash_entry *def = weakdef (h);
1647 BFD_ASSERT (def->root.type == bfd_link_hash_defined);
1648 h->root.u.def.section = def->root.u.def.section;
1649 h->root.u.def.value = def->root.u.def.value;
0a1b45a2 1650 return true;
84e94c90
NC
1651 }
1652
1653 /* This is a reference to a symbol defined by a dynamic object which
1654 is not a function. */
1655
1656 /* If we are creating a shared library, we must presume that the
1657 only references to the symbol are via the global offset table.
1658 For such cases we need not do anything here; the relocations will
1659 be handled correctly by relocate_section. */
0e1862bb 1660 if (bfd_link_pic (info))
0a1b45a2 1661 return true;
84e94c90
NC
1662
1663 /* If there are no references to this symbol that do not use the
1664 GOT, we don't need to generate a copy reloc. */
1665 if (!h->non_got_ref)
0a1b45a2 1666 return true;
84e94c90
NC
1667
1668 /* If -z nocopyreloc was given, we won't generate them either. */
3bf083ed 1669 if (0 && info->nocopyreloc)
84e94c90
NC
1670 {
1671 h->non_got_ref = 0;
0a1b45a2 1672 return true;
84e94c90
NC
1673 }
1674
3bf083ed
AM
1675 /* If we don't find any dynamic relocs in read-only sections, then
1676 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
5dbc8b37 1677 if (0 && !_bfd_elf_readonly_dynrelocs (h))
84e94c90
NC
1678 {
1679 h->non_got_ref = 0;
0a1b45a2 1680 return true;
84e94c90
NC
1681 }
1682
84e94c90
NC
1683 /* We must allocate the symbol in our .dynbss section, which will
1684 become part of the .bss section of the executable. There will be
1685 an entry for this symbol in the .dynsym section. The dynamic
1686 object will contain position independent code, so all references
1687 from the dynamic object to this symbol will go through the global
1688 offset table. The dynamic linker will use the .dynsym entry to
1689 determine the address it must put in the global offset table, so
1690 both the dynamic object and the regular object will refer to the
1691 same memory location for the variable. */
1692
1693 htab = lm32_elf_hash_table (info);
4dfe6ac6 1694 if (htab == NULL)
0a1b45a2 1695 return false;
4dfe6ac6 1696
84e94c90
NC
1697 s = htab->sdynbss;
1698 BFD_ASSERT (s != NULL);
1699
1700 /* We must generate a R_LM32_COPY reloc to tell the dynamic linker
1701 to copy the initial value out of the dynamic object and into the
1702 runtime process image. We need to remember the offset into the
1703 .rela.bss section we are going to use. */
1d7e9d18 1704 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
84e94c90
NC
1705 {
1706 asection *srel;
1707
1708 srel = htab->srelbss;
1709 BFD_ASSERT (srel != NULL);
1710 srel->size += sizeof (Elf32_External_Rela);
1711 h->needs_copy = 1;
1712 }
1713
6cabe1ea 1714 return _bfd_elf_adjust_dynamic_copy (info, h, s);
84e94c90
NC
1715}
1716
1717/* Allocate space in .plt, .got and associated reloc sections for
1718 dynamic relocs. */
1719
0a1b45a2 1720static bool
84e94c90
NC
1721allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf)
1722{
1723 struct bfd_link_info *info;
1724 struct elf_lm32_link_hash_table *htab;
3bf083ed 1725 struct elf_dyn_relocs *p;
84e94c90
NC
1726
1727 if (h->root.type == bfd_link_hash_indirect)
0a1b45a2 1728 return true;
84e94c90 1729
84e94c90
NC
1730 info = (struct bfd_link_info *) inf;
1731 htab = lm32_elf_hash_table (info);
4dfe6ac6 1732 if (htab == NULL)
0a1b45a2 1733 return false;
84e94c90 1734
84e94c90
NC
1735 if (htab->root.dynamic_sections_created
1736 && h->plt.refcount > 0)
1737 {
1738 /* Make sure this symbol is output as a dynamic symbol.
07d6d2b8 1739 Undefined weak syms won't yet be marked as dynamic. */
84e94c90 1740 if (h->dynindx == -1
07d6d2b8
AM
1741 && !h->forced_local)
1742 {
1743 if (! bfd_elf_link_record_dynamic_symbol (info, h))
0a1b45a2 1744 return false;
07d6d2b8 1745 }
84e94c90 1746
0e1862bb 1747 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), h))
07d6d2b8
AM
1748 {
1749 asection *s = htab->root.splt;
1750
1751 /* If this is the first .plt entry, make room for the special
1752 first entry. */
1753 if (s->size == 0)
1754 s->size += PLT_ENTRY_SIZE;
1755
1756 h->plt.offset = s->size;
1757
1758 /* If this symbol is not defined in a regular file, and we are
1759 not generating a shared library, then set the symbol to this
1760 location in the .plt. This is required to make function
1761 pointers compare as equal between the normal executable and
1762 the shared library. */
1763 if (! bfd_link_pic (info)
1764 && !h->def_regular)
1765 {
1766 h->root.u.def.section = s;
1767 h->root.u.def.value = h->plt.offset;
1768 }
1769
1770 /* Make room for this entry. */
1771 s->size += PLT_ENTRY_SIZE;
1772
1773 /* We also need to make an entry in the .got.plt section, which
1774 will be placed in the .got section by the linker script. */
1775 htab->root.sgotplt->size += 4;
1776
1777 /* We also need to make an entry in the .rel.plt section. */
1778 htab->root.srelplt->size += sizeof (Elf32_External_Rela);
1779 }
84e94c90 1780 else
07d6d2b8
AM
1781 {
1782 h->plt.offset = (bfd_vma) -1;
1783 h->needs_plt = 0;
1784 }
84e94c90
NC
1785 }
1786 else
1787 {
1788 h->plt.offset = (bfd_vma) -1;
1789 h->needs_plt = 0;
1790 }
1791
1792 if (h->got.refcount > 0)
1793 {
1794 asection *s;
0a1b45a2 1795 bool dyn;
84e94c90
NC
1796
1797 /* Make sure this symbol is output as a dynamic symbol.
07d6d2b8 1798 Undefined weak syms won't yet be marked as dynamic. */
84e94c90 1799 if (h->dynindx == -1
07d6d2b8
AM
1800 && !h->forced_local)
1801 {
1802 if (! bfd_elf_link_record_dynamic_symbol (info, h))
0a1b45a2 1803 return false;
07d6d2b8 1804 }
84e94c90 1805
ce558b89 1806 s = htab->root.sgot;
84e94c90
NC
1807
1808 h->got.offset = s->size;
1809 s->size += 4;
1810 dyn = htab->root.dynamic_sections_created;
0e1862bb 1811 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, bfd_link_pic (info), h))
07d6d2b8 1812 htab->root.srelgot->size += sizeof (Elf32_External_Rela);
84e94c90
NC
1813 }
1814 else
1815 h->got.offset = (bfd_vma) -1;
1816
190eb1dd 1817 if (h->dyn_relocs == NULL)
0a1b45a2 1818 return true;
84e94c90
NC
1819
1820 /* In the shared -Bsymbolic case, discard space allocated for
1821 dynamic pc-relative relocs against symbols which turn out to be
1822 defined in regular objects. For the normal shared case, discard
1823 space for pc-relative relocs that have become local due to symbol
1824 visibility changes. */
1825
0e1862bb 1826 if (bfd_link_pic (info))
84e94c90
NC
1827 {
1828 if (h->def_regular
07d6d2b8
AM
1829 && (h->forced_local
1830 || info->symbolic))
1831 {
1832 struct elf_dyn_relocs **pp;
1833
190eb1dd 1834 for (pp = &h->dyn_relocs; (p = *pp) != NULL;)
07d6d2b8
AM
1835 {
1836 p->count -= p->pc_count;
1837 p->pc_count = 0;
1838 if (p->count == 0)
1839 *pp = p->next;
1840 else
1841 pp = &p->next;
1842 }
1843 }
84e94c90
NC
1844
1845 /* Also discard relocs on undefined weak syms with non-default
1846 visibility. */
190eb1dd 1847 if (h->dyn_relocs != NULL
84e94c90
NC
1848 && h->root.type == bfd_link_hash_undefweak)
1849 {
1850 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
190eb1dd 1851 h->dyn_relocs = NULL;
84e94c90
NC
1852
1853 /* Make sure undefined weak symbols are output as a dynamic
1854 symbol in PIEs. */
1855 else if (h->dynindx == -1
1856 && !h->forced_local)
1857 {
1858 if (! bfd_elf_link_record_dynamic_symbol (info, h))
0a1b45a2 1859 return false;
84e94c90
NC
1860 }
1861 }
1862 }
1863 else
1864 {
1865 /* For the non-shared case, discard space for relocs against
07d6d2b8
AM
1866 symbols which turn out to need copy relocs or are not
1867 dynamic. */
84e94c90
NC
1868
1869 if (!h->non_got_ref
07d6d2b8
AM
1870 && ((h->def_dynamic
1871 && !h->def_regular)
1872 || (htab->root.dynamic_sections_created
1873 && (h->root.type == bfd_link_hash_undefweak
1874 || h->root.type == bfd_link_hash_undefined))))
1875 {
1876 /* Make sure this symbol is output as a dynamic symbol.
1877 Undefined weak syms won't yet be marked as dynamic. */
1878 if (h->dynindx == -1
1879 && !h->forced_local)
1880 {
1881 if (! bfd_elf_link_record_dynamic_symbol (info, h))
0a1b45a2 1882 return false;
07d6d2b8
AM
1883 }
1884
1885 /* If that succeeded, we know we'll be keeping all the
1886 relocs. */
1887 if (h->dynindx != -1)
1888 goto keep;
1889 }
84e94c90 1890
190eb1dd 1891 h->dyn_relocs = NULL;
84e94c90
NC
1892
1893 keep: ;
1894 }
1895
1896 /* Finally, allocate space. */
190eb1dd 1897 for (p = h->dyn_relocs; p != NULL; p = p->next)
84e94c90
NC
1898 {
1899 asection *sreloc = elf_section_data (p->sec)->sreloc;
1900 sreloc->size += p->count * sizeof (Elf32_External_Rela);
1901 }
1902
0a1b45a2 1903 return true;
84e94c90
NC
1904}
1905
84e94c90
NC
1906/* Set the sizes of the dynamic sections. */
1907
0a1b45a2 1908static bool
84e94c90 1909lm32_elf_size_dynamic_sections (bfd *output_bfd,
07d6d2b8 1910 struct bfd_link_info *info)
84e94c90
NC
1911{
1912 struct elf_lm32_link_hash_table *htab;
1913 bfd *dynobj;
1914 asection *s;
0a1b45a2 1915 bool relocs;
84e94c90
NC
1916 bfd *ibfd;
1917
1918 htab = lm32_elf_hash_table (info);
4dfe6ac6 1919 if (htab == NULL)
0a1b45a2 1920 return false;
4dfe6ac6 1921
84e94c90
NC
1922 dynobj = htab->root.dynobj;
1923 BFD_ASSERT (dynobj != NULL);
1924
1925 if (htab->root.dynamic_sections_created)
1926 {
1927 /* Set the contents of the .interp section to the interpreter. */
9b8b325a 1928 if (bfd_link_executable (info) && !info->nointerp)
84e94c90 1929 {
3d4d4302 1930 s = bfd_get_linker_section (dynobj, ".interp");
84e94c90
NC
1931 BFD_ASSERT (s != NULL);
1932 s->size = sizeof ELF_DYNAMIC_INTERPRETER;
1933 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
1934 }
1935 }
1936
1937 /* Set up .got offsets for local syms, and space for local dynamic
1938 relocs. */
c72f2fb2 1939 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
84e94c90
NC
1940 {
1941 bfd_signed_vma *local_got;
1942 bfd_signed_vma *end_local_got;
1943 bfd_size_type locsymcount;
1944 Elf_Internal_Shdr *symtab_hdr;
1945 asection *srel;
1946
1947 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour)
07d6d2b8 1948 continue;
84e94c90
NC
1949
1950 for (s = ibfd->sections; s != NULL; s = s->next)
07d6d2b8
AM
1951 {
1952 struct elf_dyn_relocs *p;
1953
1954 for (p = ((struct elf_dyn_relocs *)
1955 elf_section_data (s)->local_dynrel);
1956 p != NULL;
1957 p = p->next)
1958 {
1959 if (! bfd_is_abs_section (p->sec)
1960 && bfd_is_abs_section (p->sec->output_section))
1961 {
1962 /* Input section has been discarded, either because
1963 it is a copy of a linkonce section or due to
1964 linker script /DISCARD/, so we'll be discarding
1965 the relocs too. */
1966 }
1967 else if (p->count != 0)
1968 {
1969 srel = elf_section_data (p->sec)->sreloc;
1970 srel->size += p->count * sizeof (Elf32_External_Rela);
1971 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
1972 info->flags |= DF_TEXTREL;
1973 }
1974 }
1975 }
84e94c90
NC
1976
1977 local_got = elf_local_got_refcounts (ibfd);
1978 if (!local_got)
07d6d2b8 1979 continue;
84e94c90
NC
1980
1981 symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
1982 locsymcount = symtab_hdr->sh_info;
1983 end_local_got = local_got + locsymcount;
ce558b89
AM
1984 s = htab->root.sgot;
1985 srel = htab->root.srelgot;
84e94c90 1986 for (; local_got < end_local_got; ++local_got)
07d6d2b8
AM
1987 {
1988 if (*local_got > 0)
1989 {
1990 *local_got = s->size;
1991 s->size += 4;
1992 if (bfd_link_pic (info))
1993 srel->size += sizeof (Elf32_External_Rela);
1994 }
1995 else
1996 *local_got = (bfd_vma) -1;
1997 }
84e94c90
NC
1998 }
1999
2000 /* Allocate global sym .plt and .got entries, and space for global
2001 sym dynamic relocs. */
2002 elf_link_hash_traverse (&htab->root, allocate_dynrelocs, info);
2003
2004 /* We now have determined the sizes of the various dynamic sections.
2005 Allocate memory for them. */
0a1b45a2 2006 relocs = false;
84e94c90
NC
2007 for (s = dynobj->sections; s != NULL; s = s->next)
2008 {
2009 if ((s->flags & SEC_LINKER_CREATED) == 0)
07d6d2b8 2010 continue;
84e94c90 2011
ce558b89 2012 if (s == htab->root.splt
07d6d2b8
AM
2013 || s == htab->root.sgot
2014 || s == htab->root.sgotplt
84e94c90 2015 || s == htab->sdynbss)
07d6d2b8
AM
2016 {
2017 /* Strip this section if we don't need it; see the
2018 comment below. */
2019 }
08dedd66 2020 else if (startswith (bfd_section_name (s), ".rela"))
07d6d2b8
AM
2021 {
2022 if (s->size != 0 && s != htab->root.srelplt)
0a1b45a2 2023 relocs = true;
07d6d2b8
AM
2024
2025 /* We use the reloc_count field as a counter if we need
2026 to copy relocs into the output file. */
2027 s->reloc_count = 0;
2028 }
84e94c90
NC
2029 else
2030 /* It's not one of our sections, so don't allocate space. */
2031 continue;
2032
2033 if (s->size == 0)
07d6d2b8
AM
2034 {
2035 /* If we don't need this section, strip it from the
2036 output file. This is mostly to handle .rela.bss and
2037 .rela.plt. We must create both sections in
2038 create_dynamic_sections, because they must be created
2039 before the linker maps input sections to output
2040 sections. The linker does that before
2041 adjust_dynamic_symbol is called, and it is that
2042 function which decides whether anything needs to go
2043 into these sections. */
2044 s->flags |= SEC_EXCLUDE;
2045 continue;
2046 }
84e94c90
NC
2047
2048 if ((s->flags & SEC_HAS_CONTENTS) == 0)
2049 continue;
2050
2051 /* Allocate memory for the section contents. We use bfd_zalloc
07d6d2b8
AM
2052 here in case unused entries are not reclaimed before the
2053 section's contents are written out. This should not happen,
2054 but this way if it does, we get a R_LM32_NONE reloc instead
2055 of garbage. */
84e94c90
NC
2056 s->contents = bfd_zalloc (dynobj, s->size);
2057 if (s->contents == NULL)
0a1b45a2 2058 return false;
84e94c90
NC
2059 }
2060
3084d7a2 2061 if (!_bfd_elf_add_dynamic_tags (output_bfd, info, relocs))
0a1b45a2 2062 return false;
84e94c90
NC
2063
2064 /* Allocate .rofixup section. */
2065 if (IS_FDPIC (output_bfd))
2066 {
2067 struct weak_symbol_list *list_start = NULL, *list_end = NULL;
2068 int rgot_weak_count = 0;
2069 int r32_count = 0;
2070 int rgot_count = 0;
2071 /* Look for deleted sections. */
c72f2fb2 2072 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
07d6d2b8
AM
2073 {
2074 for (s = ibfd->sections; s != NULL; s = s->next)
2075 {
2076 if (s->reloc_count)
2077 {
2078 /* Count relocs that need .rofixup entires. */
2079 Elf_Internal_Rela *internal_relocs, *end;
2080 internal_relocs = elf_section_data (s)->relocs;
2081 if (internal_relocs == NULL)
0a1b45a2 2082 internal_relocs = (_bfd_elf_link_read_relocs (ibfd, s, NULL, NULL, false));
07d6d2b8
AM
2083 if (internal_relocs != NULL)
2084 {
2085 end = internal_relocs + s->reloc_count;
2086 while (internal_relocs < end)
2087 {
2088 Elf_Internal_Shdr *symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
2089 struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (ibfd);
2090 unsigned long r_symndx;
2091 struct elf_link_hash_entry *h;
2092
2093 symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
2094 sym_hashes = elf_sym_hashes (ibfd);
2095 r_symndx = ELF32_R_SYM (internal_relocs->r_info);
2096 h = NULL;
2097 if (r_symndx < symtab_hdr->sh_info)
2098 {
2099 }
2100 else
2101 {
2102 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
2103 while (h->root.type == bfd_link_hash_indirect
2104 || h->root.type == bfd_link_hash_warning)
2105 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2106 }
2107
2108 /* Don't generate entries for weak symbols. */
2109 if (!h || (h && h->root.type != bfd_link_hash_undefweak))
2110 {
fd361982 2111 if (!discarded_section (s) && !((bfd_section_flags (s) & SEC_ALLOC) == 0))
07d6d2b8
AM
2112 {
2113 switch (ELF32_R_TYPE (internal_relocs->r_info))
2114 {
2115 case R_LM32_32:
2116 r32_count++;
2117 break;
2118 case R_LM32_16_GOT:
2119 rgot_count++;
2120 break;
2121 }
2122 }
2123 }
2124 else
2125 {
2126 struct weak_symbol_list *current, *new_entry;
2127 /* Is this symbol already in the list? */
2128 for (current = list_start; current; current = current->next)
2129 {
2130 if (!strcmp (current->name, h->root.root.string))
2131 break;
2132 }
fd361982 2133 if (!current && !discarded_section (s) && (bfd_section_flags (s) & SEC_ALLOC))
07d6d2b8
AM
2134 {
2135 /* Will this have an entry in the GOT. */
2136 if (ELF32_R_TYPE (internal_relocs->r_info) == R_LM32_16_GOT)
2137 {
2138 /* Create a new entry. */
2139 new_entry = malloc (sizeof (struct weak_symbol_list));
2140 if (!new_entry)
0a1b45a2 2141 return false;
07d6d2b8
AM
2142 new_entry->name = h->root.root.string;
2143 new_entry->next = NULL;
2144 /* Add to list */
2145 if (list_start == NULL)
2146 {
2147 list_start = new_entry;
2148 list_end = new_entry;
2149 }
2150 else
2151 {
2152 list_end->next = new_entry;
2153 list_end = new_entry;
2154 }
2155 /* Increase count of undefined weak symbols in the got. */
2156 rgot_weak_count++;
2157 }
2158 }
2159 }
2160 internal_relocs++;
2161 }
2162 }
2163 else
0a1b45a2 2164 return false;
07d6d2b8
AM
2165 }
2166 }
2167 }
84e94c90
NC
2168 /* Free list. */
2169 while (list_start)
07d6d2b8
AM
2170 {
2171 list_end = list_start->next;
2172 free (list_start);
2173 list_start = list_end;
2174 }
84e94c90
NC
2175
2176 /* Size sections. */
ce558b89
AM
2177 lm32fdpic_fixup32_section (info)->size
2178 = (r32_count + (htab->root.sgot->size / 4) - rgot_weak_count + 1) * 4;
84e94c90 2179 if (lm32fdpic_fixup32_section (info)->size == 0)
07d6d2b8 2180 lm32fdpic_fixup32_section (info)->flags |= SEC_EXCLUDE;
84e94c90 2181 else
07d6d2b8
AM
2182 {
2183 lm32fdpic_fixup32_section (info)->contents =
2184 bfd_zalloc (dynobj, lm32fdpic_fixup32_section (info)->size);
2185 if (lm32fdpic_fixup32_section (info)->contents == NULL)
0a1b45a2 2186 return false;
07d6d2b8 2187 }
84e94c90
NC
2188 }
2189
0a1b45a2 2190 return true;
84e94c90
NC
2191}
2192
2193/* Create dynamic sections when linking against a dynamic object. */
2194
0a1b45a2 2195static bool
84e94c90
NC
2196lm32_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
2197{
2198 struct elf_lm32_link_hash_table *htab;
2199 flagword flags, pltflags;
2200 asection *s;
2201 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
2202 int ptralign = 2; /* 32bit */
2203
2204 htab = lm32_elf_hash_table (info);
4dfe6ac6 2205 if (htab == NULL)
0a1b45a2 2206 return false;
84e94c90
NC
2207
2208 /* Make sure we have a GOT - For the case where we have a dynamic object
2209 but none of the relocs in check_relocs */
ce558b89 2210 if (!_bfd_elf_create_got_section (abfd, info))
0a1b45a2 2211 return false;
84e94c90
NC
2212 if (IS_FDPIC (abfd) && (htab->sfixup32 == NULL))
2213 {
2214 if (! create_rofixup_section (abfd, info))
0a1b45a2 2215 return false;
84e94c90
NC
2216 }
2217
2218 /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and
2219 .rel[a].bss sections. */
2220 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
07d6d2b8 2221 | SEC_LINKER_CREATED);
84e94c90
NC
2222
2223 pltflags = flags;
2224 pltflags |= SEC_CODE;
2225 if (bed->plt_not_loaded)
2226 pltflags &= ~ (SEC_LOAD | SEC_HAS_CONTENTS);
2227 if (bed->plt_readonly)
2228 pltflags |= SEC_READONLY;
2229
3d4d4302 2230 s = bfd_make_section_anyway_with_flags (abfd, ".plt", pltflags);
ce558b89 2231 htab->root.splt = s;
84e94c90 2232 if (s == NULL
fd361982 2233 || !bfd_set_section_alignment (s, bed->plt_alignment))
0a1b45a2 2234 return false;
84e94c90
NC
2235
2236 if (bed->want_plt_sym)
2237 {
2238 /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
07d6d2b8 2239 .plt section. */
84e94c90
NC
2240 struct bfd_link_hash_entry *bh = NULL;
2241 struct elf_link_hash_entry *h;
2242
2243 if (! (_bfd_generic_link_add_one_symbol
07d6d2b8 2244 (info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s,
0a1b45a2 2245 (bfd_vma) 0, NULL, false,
07d6d2b8 2246 get_elf_backend_data (abfd)->collect, &bh)))
0a1b45a2 2247 return false;
84e94c90
NC
2248 h = (struct elf_link_hash_entry *) bh;
2249 h->def_regular = 1;
2250 h->type = STT_OBJECT;
2251 htab->root.hplt = h;
2252
0e1862bb 2253 if (bfd_link_pic (info)
07d6d2b8 2254 && ! bfd_elf_link_record_dynamic_symbol (info, h))
0a1b45a2 2255 return false;
84e94c90
NC
2256 }
2257
3d4d4302
AM
2258 s = bfd_make_section_anyway_with_flags (abfd,
2259 bed->default_use_rela_p
2260 ? ".rela.plt" : ".rel.plt",
2261 flags | SEC_READONLY);
ce558b89 2262 htab->root.srelplt = s;
84e94c90 2263 if (s == NULL
fd361982 2264 || !bfd_set_section_alignment (s, ptralign))
0a1b45a2 2265 return false;
84e94c90 2266
ce558b89
AM
2267 if (htab->root.sgot == NULL
2268 && !_bfd_elf_create_got_section (abfd, info))
0a1b45a2 2269 return false;
84e94c90 2270
84e94c90
NC
2271 if (bed->want_dynbss)
2272 {
2273 /* The .dynbss section is a place to put symbols which are defined
07d6d2b8
AM
2274 by dynamic objects, are referenced by regular objects, and are
2275 not functions. We must allocate space for them in the process
2276 image and use a R_*_COPY reloc to tell the dynamic linker to
2277 initialize them at run time. The linker script puts the .dynbss
2278 section into the .bss section of the final image. */
3d4d4302
AM
2279 s = bfd_make_section_anyway_with_flags (abfd, ".dynbss",
2280 SEC_ALLOC | SEC_LINKER_CREATED);
84e94c90
NC
2281 htab->sdynbss = s;
2282 if (s == NULL)
0a1b45a2 2283 return false;
84e94c90 2284 /* The .rel[a].bss section holds copy relocs. This section is not
07d6d2b8
AM
2285 normally needed. We need to create it here, though, so that the
2286 linker will map it to an output section. We can't just create it
2287 only if we need it, because we will not know whether we need it
2288 until we have seen all the input files, and the first time the
2289 main linker code calls BFD after examining all the input files
2290 (size_dynamic_sections) the input sections have already been
2291 mapped to the output sections. If the section turns out not to
2292 be needed, we can discard it later. We will never need this
2293 section when generating a shared object, since they do not use
2294 copy relocs. */
0e1862bb 2295 if (! bfd_link_pic (info))
07d6d2b8
AM
2296 {
2297 s = bfd_make_section_anyway_with_flags (abfd,
3d4d4302
AM
2298 (bed->default_use_rela_p
2299 ? ".rela.bss" : ".rel.bss"),
2300 flags | SEC_READONLY);
07d6d2b8
AM
2301 htab->srelbss = s;
2302 if (s == NULL
fd361982 2303 || !bfd_set_section_alignment (s, ptralign))
0a1b45a2 2304 return false;
07d6d2b8 2305 }
84e94c90
NC
2306 }
2307
0a1b45a2 2308 return true;
84e94c90
NC
2309}
2310
0a1b45a2 2311static bool
04c3a755 2312lm32_elf_always_size_sections (bfd *output_bfd, struct bfd_link_info *info)
84e94c90 2313{
0e1862bb 2314 if (!bfd_link_relocatable (info))
84e94c90 2315 {
04c3a755
NS
2316 if (!bfd_elf_stack_segment_size (output_bfd, info,
2317 "__stacksize", DEFAULT_STACK_SIZE))
0a1b45a2 2318 return false;
84e94c90 2319
84e94c90 2320 asection *sec = bfd_get_section_by_name (output_bfd, ".stack");
84e94c90 2321 if (sec)
04c3a755 2322 sec->size = info->stacksize >= 0 ? info->stacksize : 0;
84e94c90
NC
2323 }
2324
0a1b45a2 2325 return true;
84e94c90
NC
2326}
2327
0a1b45a2 2328static bool
84e94c90
NC
2329lm32_elf_fdpic_copy_private_bfd_data (bfd *ibfd, bfd *obfd)
2330{
2331 unsigned i;
2332
2333 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
2334 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
0a1b45a2 2335 return true;
84e94c90 2336
e2349352 2337 if (! _bfd_elf_copy_private_bfd_data (ibfd, obfd))
0a1b45a2 2338 return false;
84e94c90
NC
2339
2340 if (! elf_tdata (ibfd) || ! elf_tdata (ibfd)->phdr
2341 || ! elf_tdata (obfd) || ! elf_tdata (obfd)->phdr)
0a1b45a2 2342 return true;
84e94c90
NC
2343
2344 /* Copy the stack size. */
2345 for (i = 0; i < elf_elfheader (ibfd)->e_phnum; i++)
2346 if (elf_tdata (ibfd)->phdr[i].p_type == PT_GNU_STACK)
2347 {
2348 Elf_Internal_Phdr *iphdr = &elf_tdata (ibfd)->phdr[i];
2349
2350 for (i = 0; i < elf_elfheader (obfd)->e_phnum; i++)
2351 if (elf_tdata (obfd)->phdr[i].p_type == PT_GNU_STACK)
2352 {
2353 memcpy (&elf_tdata (obfd)->phdr[i], iphdr, sizeof (*iphdr));
2354
2355 /* Rewrite the phdrs, since we're only called after they were first written. */
2356 if (bfd_seek (obfd, (bfd_signed_vma) get_elf_backend_data (obfd)
2357 ->s->sizeof_ehdr, SEEK_SET) != 0
2358 || get_elf_backend_data (obfd)->s->write_out_phdrs (obfd, elf_tdata (obfd)->phdr,
2359 elf_elfheader (obfd)->e_phnum) != 0)
0a1b45a2 2360 return false;
84e94c90
NC
2361 break;
2362 }
2363
2364 break;
2365 }
2366
0a1b45a2 2367 return true;
84e94c90
NC
2368}
2369
2370
07d6d2b8 2371#define ELF_ARCH bfd_arch_lm32
ae95ffa6 2372#define ELF_TARGET_ID LM32_ELF_DATA
07d6d2b8
AM
2373#define ELF_MACHINE_CODE EM_LATTICEMICO32
2374#define ELF_MAXPAGESIZE 0x1000
2375
2376#define TARGET_BIG_SYM lm32_elf32_vec
2377#define TARGET_BIG_NAME "elf32-lm32"
2378
2379#define bfd_elf32_bfd_reloc_type_lookup lm32_reloc_type_lookup
2380#define bfd_elf32_bfd_reloc_name_lookup lm32_reloc_name_lookup
2381#define elf_info_to_howto lm32_info_to_howto_rela
f3185997 2382#define elf_info_to_howto_rel NULL
07d6d2b8
AM
2383#define elf_backend_rela_normal 1
2384#define elf_backend_object_p lm32_elf_object_p
2385#define elf_backend_final_write_processing lm32_elf_final_write_processing
04c3a755 2386#define elf_backend_stack_align 8
07d6d2b8
AM
2387#define elf_backend_can_gc_sections 1
2388#define elf_backend_can_refcount 1
2389#define elf_backend_gc_mark_hook lm32_elf_gc_mark_hook
2390#define elf_backend_plt_readonly 1
2391#define elf_backend_want_got_plt 1
2392#define elf_backend_want_plt_sym 0
2393#define elf_backend_got_header_size 12
64f52338 2394#define elf_backend_dtrel_excludes_plt 1
07d6d2b8
AM
2395#define bfd_elf32_bfd_link_hash_table_create lm32_elf_link_hash_table_create
2396#define elf_backend_check_relocs lm32_elf_check_relocs
2397#define elf_backend_reloc_type_class lm32_elf_reloc_type_class
07d6d2b8 2398#define elf_backend_size_dynamic_sections lm32_elf_size_dynamic_sections
d00dd7dc 2399#define elf_backend_omit_section_dynsym _bfd_elf_omit_section_dynsym_all
07d6d2b8
AM
2400#define elf_backend_create_dynamic_sections lm32_elf_create_dynamic_sections
2401#define elf_backend_finish_dynamic_sections lm32_elf_finish_dynamic_sections
2402#define elf_backend_adjust_dynamic_symbol lm32_elf_adjust_dynamic_symbol
2403#define elf_backend_finish_dynamic_symbol lm32_elf_finish_dynamic_symbol
2404#define elf_backend_relocate_section lm32_elf_relocate_section
84e94c90
NC
2405
2406#include "elf32-target.h"
2407
2408#undef ELF_MAXPAGESIZE
2409#define ELF_MAXPAGESIZE 0x4000
2410
2411
2412#undef TARGET_BIG_SYM
07d6d2b8
AM
2413#define TARGET_BIG_SYM lm32_elf32_fdpic_vec
2414#undef TARGET_BIG_NAME
84e94c90
NC
2415#define TARGET_BIG_NAME "elf32-lm32fdpic"
2416#undef elf32_bed
2417#define elf32_bed elf32_lm32fdpic_bed
2418
07d6d2b8
AM
2419#undef elf_backend_always_size_sections
2420#define elf_backend_always_size_sections lm32_elf_always_size_sections
2421#undef bfd_elf32_bfd_copy_private_bfd_data
2422#define bfd_elf32_bfd_copy_private_bfd_data lm32_elf_fdpic_copy_private_bfd_data
84e94c90
NC
2423
2424#include "elf32-target.h"