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* c-typeprint.c (c_type_print_args): Don't print "void"
[deliverable/binutils-gdb.git] / bfd / elf32-cris.c
CommitLineData
06c15ad7 1/* CRIS-specific support for 32-bit ELF.
4dfe6ac6
NC		 2 Copyright 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,
3 2010 Free Software Foundation, Inc.
06c15ad7
HPN		 4 Contributed by Axis Communications AB.
5 Written by Hans-Peter Nilsson, based on elf32-fr30.c
915e5146 6 PIC and shlib bits based primarily on elf32-m68k.c and elf32-i386.c.
06c15ad7 7
ae9a127f 8 This file is part of BFD, the Binary File Descriptor library.
06c15ad7 9
ae9a127f
NC		 10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
cd123cb7 12 the Free Software Foundation; either version 3 of the License, or
ae9a127f 13 (at your option) any later version.
06c15ad7 14
ae9a127f
NC		 15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
06c15ad7 19
ae9a127f
NC		 20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
cd123cb7
NC		 22 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
23 MA 02110-1301, USA. */
06c15ad7 24
06c15ad7 25#include "sysdep.h"
3db64b00 26#include "bfd.h"
06c15ad7
HPN		 27#include "libbfd.h"
28#include "elf-bfd.h"
29#include "elf/cris.h"
100382c7 30#include <limits.h>
06c15ad7
HPN		 31
32/* Forward declarations. */
33static reloc_howto_type * cris_reloc_type_lookup
34 PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
35
a7c10850 36static void cris_info_to_howto_rela
947216bf 37 PARAMS ((bfd *, arelent *, Elf_Internal_Rela *));
06c15ad7 38
bac23f82
HPN		 39static bfd_reloc_status_type cris_elf_pcrel_reloc
40 PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
41
b34976b6 42static bfd_boolean cris_elf_grok_prstatus
72209a1f
HPN		 43 PARAMS ((bfd *abfd, Elf_Internal_Note *note));
44
b34976b6 45static bfd_boolean cris_elf_grok_psinfo
72209a1f
HPN		 46 PARAMS ((bfd *abfd, Elf_Internal_Note *note));
47
b34976b6 48static bfd_boolean cris_elf_relocate_section
06c15ad7
HPN		 49 PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
50 Elf_Internal_Rela *, Elf_Internal_Sym *, asection **));
51
52static bfd_reloc_status_type cris_final_link_relocate
53 PARAMS ((reloc_howto_type *, bfd *, asection *, bfd_byte *,
54 Elf_Internal_Rela *, bfd_vma));
55
b34976b6 56static bfd_boolean cris_elf_object_p PARAMS ((bfd *));
4da81684 57
b34976b6 58static void cris_elf_final_write_processing PARAMS ((bfd *, bfd_boolean));
4da81684 59
bac23f82
HPN		 60static bfd_boolean cris_elf_set_mach_from_flags
61 PARAMS ((bfd *, unsigned long int));
62
b34976b6 63static bfd_boolean cris_elf_print_private_bfd_data PARAMS ((bfd *, PTR));
4da81684 64
b34976b6 65static bfd_boolean cris_elf_merge_private_bfd_data PARAMS ((bfd *, bfd *));
bac23f82 66static bfd_boolean cris_elf_copy_private_bfd_data PARAMS ((bfd *, bfd *));
4da81684 67
915e5146 68struct elf_cris_link_hash_entry;
b34976b6 69static bfd_boolean elf_cris_discard_excess_dso_dynamics
4d96d128 70 PARAMS ((struct elf_cris_link_hash_entry *, PTR));
b34976b6 71static bfd_boolean elf_cris_discard_excess_program_dynamics
915e5146 72 PARAMS ((struct elf_cris_link_hash_entry *, PTR));
b34976b6 73static bfd_boolean elf_cris_adjust_gotplt_to_got
915e5146 74 PARAMS ((struct elf_cris_link_hash_entry *, PTR));
b34976b6 75static bfd_boolean elf_cris_try_fold_plt_to_got
915e5146
HPN		 76 PARAMS ((struct elf_cris_link_hash_entry *, PTR));
77static struct bfd_hash_entry *elf_cris_link_hash_newfunc
78 PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
79static struct bfd_link_hash_table *elf_cris_link_hash_table_create
80 PARAMS ((bfd *));
b34976b6 81static bfd_boolean elf_cris_adjust_dynamic_symbol
915e5146 82 PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *));
b34976b6 83static bfd_boolean cris_elf_check_relocs
99c79b2e
AJ		 84 PARAMS ((bfd *, struct bfd_link_info *, asection *,
85 const Elf_Internal_Rela *));
86
b34976b6 87static bfd_boolean elf_cris_size_dynamic_sections
915e5146 88 PARAMS ((bfd *, struct bfd_link_info *));
b34976b6 89static bfd_boolean elf_cris_finish_dynamic_symbol
915e5146
HPN		 90 PARAMS ((bfd *, struct bfd_link_info *, struct elf_link_hash_entry *,
91 Elf_Internal_Sym *));
b34976b6 92static bfd_boolean elf_cris_finish_dynamic_sections
915e5146
HPN		 93 PARAMS ((bfd *, struct bfd_link_info *));
94static void elf_cris_hide_symbol
b34976b6 95 PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *, bfd_boolean));
99e4ae17 96static enum elf_reloc_type_class elf_cris_reloc_type_class
f51e552e 97 PARAMS ((const Elf_Internal_Rela *));
915e5146 98
06c15ad7
HPN		 99static reloc_howto_type cris_elf_howto_table [] =
100{
101 /* This reloc does nothing. */
102 HOWTO (R_CRIS_NONE, /* type */
103 0, /* rightshift */
104 2, /* size (0 = byte, 1 = short, 2 = long) */
105 32, /* bitsize */
b34976b6 106 FALSE, /* pc_relative */
06c15ad7
HPN		 107 0, /* bitpos */
108 complain_overflow_bitfield, /* complain_on_overflow */
109 bfd_elf_generic_reloc, /* special_function */
110 "R_CRIS_NONE", /* name */
b34976b6 111 FALSE, /* partial_inplace */
06c15ad7
HPN		 112 0, /* src_mask */
113 0, /* dst_mask */
b34976b6 114 FALSE), /* pcrel_offset */
06c15ad7
HPN		 115
116 /* An 8 bit absolute relocation. */
117 HOWTO (R_CRIS_8, /* type */
118 0, /* rightshift */
119 0, /* size (0 = byte, 1 = short, 2 = long) */
120 8, /* bitsize */
b34976b6 121 FALSE, /* pc_relative */
06c15ad7
HPN		 122 0, /* bitpos */
123 complain_overflow_bitfield, /* complain_on_overflow */
124 bfd_elf_generic_reloc, /* special_function */
125 "R_CRIS_8", /* name */
b34976b6 126 FALSE, /* partial_inplace */
06c15ad7
HPN		 127 0x0000, /* src_mask */
128 0x00ff, /* dst_mask */
b34976b6 129 FALSE), /* pcrel_offset */
06c15ad7
HPN		 130
131 /* A 16 bit absolute relocation. */
132 HOWTO (R_CRIS_16, /* type */
133 0, /* rightshift */
134 1, /* size (0 = byte, 1 = short, 2 = long) */
135 16, /* bitsize */
b34976b6 136 FALSE, /* pc_relative */
06c15ad7
HPN		 137 0, /* bitpos */
138 complain_overflow_bitfield, /* complain_on_overflow */
139 bfd_elf_generic_reloc, /* special_function */
140 "R_CRIS_16", /* name */
b34976b6 141 FALSE, /* partial_inplace */
06c15ad7
HPN		 142 0x00000000, /* src_mask */
143 0x0000ffff, /* dst_mask */
b34976b6 144 FALSE), /* pcrel_offset */
06c15ad7
HPN		 145
146 /* A 32 bit absolute relocation. */
147 HOWTO (R_CRIS_32, /* type */
148 0, /* rightshift */
149 2, /* size (0 = byte, 1 = short, 2 = long) */
150 32, /* bitsize */
b34976b6 151 FALSE, /* pc_relative */
06c15ad7 152 0, /* bitpos */
b2efcd36
HPN		 153 /* We don't want overflow complaints for 64-bit vma builds
154 for e.g. sym+0x40000000 (or actually sym-0xc0000000 in
155 32-bit ELF) where sym=0xc0001234.
156 Don't do this for the PIC relocs, as we don't expect to
157 see them with large offsets. */
158 complain_overflow_dont, /* complain_on_overflow */
06c15ad7
HPN		 159 bfd_elf_generic_reloc, /* special_function */
160 "R_CRIS_32", /* name */
b34976b6 161 FALSE, /* partial_inplace */
06c15ad7
HPN		 162 0x00000000, /* src_mask */
163 0xffffffff, /* dst_mask */
b34976b6 164 FALSE), /* pcrel_offset */
06c15ad7 165
915e5146 166 /* An 8 bit PC-relative relocation. */
06c15ad7
HPN		 167 HOWTO (R_CRIS_8_PCREL, /* type */
168 0, /* rightshift */
169 0, /* size (0 = byte, 1 = short, 2 = long) */
170 8, /* bitsize */
b34976b6 171 TRUE, /* pc_relative */
06c15ad7
HPN		 172 0, /* bitpos */
173 complain_overflow_bitfield, /* complain_on_overflow */
bac23f82 174 cris_elf_pcrel_reloc, /* special_function */
06c15ad7 175 "R_CRIS_8_PCREL", /* name */
b34976b6 176 FALSE, /* partial_inplace */
06c15ad7
HPN		 177 0x0000, /* src_mask */
178 0x00ff, /* dst_mask */
b34976b6 179 TRUE), /* pcrel_offset */
06c15ad7 180
915e5146 181 /* A 16 bit PC-relative relocation. */
06c15ad7
HPN		 182 HOWTO (R_CRIS_16_PCREL, /* type */
183 0, /* rightshift */
184 1, /* size (0 = byte, 1 = short, 2 = long) */
185 16, /* bitsize */
b34976b6 186 TRUE, /* pc_relative */
06c15ad7
HPN		 187 0, /* bitpos */
188 complain_overflow_bitfield, /* complain_on_overflow */
bac23f82 189 cris_elf_pcrel_reloc, /* special_function */
44aa49bb 190 "R_CRIS_16_PCREL", /* name */
b34976b6 191 FALSE, /* partial_inplace */
06c15ad7
HPN		 192 0x00000000, /* src_mask */
193 0x0000ffff, /* dst_mask */
b34976b6 194 TRUE), /* pcrel_offset */
06c15ad7 195
915e5146 196 /* A 32 bit PC-relative relocation. */
06c15ad7
HPN		 197 HOWTO (R_CRIS_32_PCREL, /* type */
198 0, /* rightshift */
199 2, /* size (0 = byte, 1 = short, 2 = long) */
200 32, /* bitsize */
b34976b6 201 TRUE, /* pc_relative */
06c15ad7
HPN		 202 0, /* bitpos */
203 complain_overflow_bitfield, /* complain_on_overflow */
bac23f82 204 cris_elf_pcrel_reloc, /* special_function */
44aa49bb 205 "R_CRIS_32_PCREL", /* name */
b34976b6 206 FALSE, /* partial_inplace */
06c15ad7
HPN		 207 0x00000000, /* src_mask */
208 0xffffffff, /* dst_mask */
b34976b6 209 TRUE), /* pcrel_offset */
06c15ad7 210
915e5146
HPN		 211 /* GNU extension to record C++ vtable hierarchy. */
212 HOWTO (R_CRIS_GNU_VTINHERIT, /* type */
06c15ad7
HPN		 213 0, /* rightshift */
214 2, /* size (0 = byte, 1 = short, 2 = long) */
215 0, /* bitsize */
b34976b6 216 FALSE, /* pc_relative */
06c15ad7
HPN		 217 0, /* bitpos */
218 complain_overflow_dont, /* complain_on_overflow */
219 NULL, /* special_function */
220 "R_CRIS_GNU_VTINHERIT", /* name */
b34976b6 221 FALSE, /* partial_inplace */
06c15ad7
HPN		 222 0, /* src_mask */
223 0, /* dst_mask */
b34976b6 224 FALSE), /* pcrel_offset */
06c15ad7 225
915e5146
HPN		 226 /* GNU extension to record C++ vtable member usage. */
227 HOWTO (R_CRIS_GNU_VTENTRY, /* type */
06c15ad7
HPN		 228 0, /* rightshift */
229 2, /* size (0 = byte, 1 = short, 2 = long) */
230 0, /* bitsize */
b34976b6 231 FALSE, /* pc_relative */
06c15ad7
HPN		 232 0, /* bitpos */
233 complain_overflow_dont, /* complain_on_overflow */
234 _bfd_elf_rel_vtable_reloc_fn, /* special_function */
235 "R_CRIS_GNU_VTENTRY", /* name */
b34976b6 236 FALSE, /* partial_inplace */
06c15ad7
HPN		 237 0, /* src_mask */
238 0, /* dst_mask */
b34976b6 239 FALSE), /* pcrel_offset */
915e5146
HPN		 240
241 /* This is used only by the dynamic linker. The symbol should exist
242 both in the object being run and in some shared library. The
243 dynamic linker copies the data addressed by the symbol from the
244 shared library into the object, because the object being
245 run has to have the data at some particular address. */
246 HOWTO (R_CRIS_COPY, /* type */
247 0, /* rightshift */
248 2, /* size (0 = byte, 1 = short, 2 = long) */
249 32, /* bitsize */
b34976b6 250 FALSE, /* pc_relative */
915e5146
HPN		 251 0, /* bitpos */
252 complain_overflow_bitfield, /* complain_on_overflow */
253 bfd_elf_generic_reloc, /* special_function */
254 "R_CRIS_COPY", /* name */
b34976b6 255 FALSE, /* partial_inplace */
915e5146
HPN		 256 0, /* src_mask */
257 0, /* dst_mask */
b34976b6 258 FALSE), /* pcrel_offset */
915e5146
HPN		 259
260 /* Like R_CRIS_32, but used when setting global offset table entries. */
261 HOWTO (R_CRIS_GLOB_DAT, /* type */
262 0, /* rightshift */
263 2, /* size (0 = byte, 1 = short, 2 = long) */
264 32, /* bitsize */
b34976b6 265 FALSE, /* pc_relative */
915e5146
HPN		 266 0, /* bitpos */
267 complain_overflow_bitfield, /* complain_on_overflow */
268 bfd_elf_generic_reloc, /* special_function */
269 "R_CRIS_GLOB_DAT", /* name */
b34976b6 270 FALSE, /* partial_inplace */
915e5146
HPN		 271 0, /* src_mask */
272 0xffffffff, /* dst_mask */
b34976b6 273 FALSE), /* pcrel_offset */
915e5146
HPN		 274
275 /* Marks a procedure linkage table entry for a symbol. */
276 HOWTO (R_CRIS_JUMP_SLOT, /* type */
277 0, /* rightshift */
278 2, /* size (0 = byte, 1 = short, 2 = long) */
279 32, /* bitsize */
b34976b6 280 FALSE, /* pc_relative */
915e5146
HPN		 281 0, /* bitpos */
282 complain_overflow_bitfield, /* complain_on_overflow */
283 bfd_elf_generic_reloc, /* special_function */
284 "R_CRIS_JUMP_SLOT", /* name */
b34976b6 285 FALSE, /* partial_inplace */
915e5146
HPN		 286 0, /* src_mask */
287 0, /* dst_mask */
b34976b6 288 FALSE), /* pcrel_offset */
915e5146
HPN		 289
290 /* Used only by the dynamic linker. When the object is run, this
291 longword is set to the load address of the object, plus the
292 addend. */
293 HOWTO (R_CRIS_RELATIVE, /* type */
294 0, /* rightshift */
295 2, /* size (0 = byte, 1 = short, 2 = long) */
296 32, /* bitsize */
b34976b6 297 FALSE, /* pc_relative */
915e5146
HPN		 298 0, /* bitpos */
299 complain_overflow_bitfield, /* complain_on_overflow */
300 bfd_elf_generic_reloc, /* special_function */
301 "R_CRIS_RELATIVE", /* name */
b34976b6 302 FALSE, /* partial_inplace */
915e5146
HPN		 303 0, /* src_mask */
304 0xffffffff, /* dst_mask */
b34976b6 305 FALSE), /* pcrel_offset */
915e5146
HPN		 306
307 /* Like R_CRIS_32, but referring to the GOT table entry for the symbol. */
308 HOWTO (R_CRIS_16_GOT, /* type */
309 0, /* rightshift */
310 1, /* size (0 = byte, 1 = short, 2 = long) */
311 16, /* bitsize */
b34976b6 312 FALSE, /* pc_relative */
915e5146
HPN		 313 0, /* bitpos */
314 complain_overflow_bitfield, /* complain_on_overflow */
315 bfd_elf_generic_reloc, /* special_function */
316 "R_CRIS_16_GOT", /* name */
b34976b6 317 FALSE, /* partial_inplace */
915e5146
HPN		 318 0, /* src_mask */
319 0xffff, /* dst_mask */
b34976b6 320 FALSE), /* pcrel_offset */
915e5146
HPN		 321
322 HOWTO (R_CRIS_32_GOT, /* type */
323 0, /* rightshift */
324 2, /* size (0 = byte, 1 = short, 2 = long) */
325 32, /* bitsize */
b34976b6 326 FALSE, /* pc_relative */
915e5146
HPN		 327 0, /* bitpos */
328 complain_overflow_bitfield, /* complain_on_overflow */
329 bfd_elf_generic_reloc, /* special_function */
330 "R_CRIS_32_GOT", /* name */
b34976b6 331 FALSE, /* partial_inplace */
915e5146
HPN		 332 0, /* src_mask */
333 0xffffffff, /* dst_mask */
b34976b6 334 FALSE), /* pcrel_offset */
915e5146
HPN		 335
336 /* Like R_CRIS_32_GOT, but referring to (and requesting a) PLT part of
337 the GOT table for the symbol. */
338 HOWTO (R_CRIS_16_GOTPLT, /* type */
339 0, /* rightshift */
340 1, /* size (0 = byte, 1 = short, 2 = long) */
341 16, /* bitsize */
b34976b6 342 FALSE, /* pc_relative */
915e5146
HPN		 343 0, /* bitpos */
344 complain_overflow_bitfield, /* complain_on_overflow */
345 bfd_elf_generic_reloc, /* special_function */
346 "R_CRIS_16_GOTPLT", /* name */
b34976b6 347 FALSE, /* partial_inplace */
915e5146
HPN		 348 0, /* src_mask */
349 0xffff, /* dst_mask */
b34976b6 350 FALSE), /* pcrel_offset */
915e5146
HPN		 351
352 HOWTO (R_CRIS_32_GOTPLT, /* type */
353 0, /* rightshift */
354 2, /* size (0 = byte, 1 = short, 2 = long) */
355 32, /* bitsize */
b34976b6 356 FALSE, /* pc_relative */
915e5146
HPN		 357 0, /* bitpos */
358 complain_overflow_bitfield, /* complain_on_overflow */
359 bfd_elf_generic_reloc, /* special_function */
360 "R_CRIS_32_GOTPLT", /* name */
b34976b6 361 FALSE, /* partial_inplace */
915e5146
HPN		 362 0, /* src_mask */
363 0xffffffff, /* dst_mask */
b34976b6 364 FALSE), /* pcrel_offset */
915e5146
HPN		 365
366 /* A 32-bit offset from GOT to (local const) symbol: no GOT entry should
367 be necessary. */
368 HOWTO (R_CRIS_32_GOTREL, /* type */
369 0, /* rightshift */
370 2, /* size (0 = byte, 1 = short, 2 = long) */
371 32, /* bitsize */
b34976b6 372 FALSE, /* pc_relative */
915e5146
HPN		 373 0, /* bitpos */
374 complain_overflow_bitfield, /* complain_on_overflow */
375 bfd_elf_generic_reloc, /* special_function */
376 "R_CRIS_32_GOTREL", /* name */
b34976b6 377 FALSE, /* partial_inplace */
915e5146
HPN		 378 0, /* src_mask */
379 0xffffffff, /* dst_mask */
b34976b6 380 FALSE), /* pcrel_offset */
915e5146
HPN		 381
382 /* A 32-bit offset from GOT to entry for this symbol in PLT and request
383 to create PLT entry for symbol. */
384 HOWTO (R_CRIS_32_PLT_GOTREL, /* type */
385 0, /* rightshift */
386 2, /* size (0 = byte, 1 = short, 2 = long) */
387 32, /* bitsize */
b34976b6 388 FALSE, /* pc_relative */
915e5146
HPN		 389 0, /* bitpos */
390 complain_overflow_bitfield, /* complain_on_overflow */
391 bfd_elf_generic_reloc, /* special_function */
392 "R_CRIS_32_PLT_GOTREL", /* name */
b34976b6 393 FALSE, /* partial_inplace */
915e5146
HPN		 394 0, /* src_mask */
395 0xffffffff, /* dst_mask */
b34976b6 396 FALSE), /* pcrel_offset */
915e5146
HPN		 397
398 /* A 32-bit offset from PC (location after the relocation) + addend to
399 entry for this symbol in PLT and request to create PLT entry for
400 symbol. */
401 HOWTO (R_CRIS_32_PLT_PCREL, /* type */
402 0, /* rightshift */
403 2, /* size (0 = byte, 1 = short, 2 = long) */
404 32, /* bitsize */
b34976b6 405 TRUE, /* pc_relative */
915e5146
HPN		 406 0, /* bitpos */
407 complain_overflow_bitfield, /* complain_on_overflow */
bac23f82 408 cris_elf_pcrel_reloc, /* special_function */
915e5146 409 "R_CRIS_32_PLT_PCREL", /* name */
b34976b6 410 FALSE, /* partial_inplace */
915e5146
HPN		 411 0, /* src_mask */
412 0xffffffff, /* dst_mask */
3926fc54
HPN		 413 TRUE), /* pcrel_offset */
414
415 /* We don't handle these in any special manner and cross-format
416 linking is not supported; just recognize them enough to pass them
417 around. FIXME: do the same for most PIC relocs and add sanity
418 tests to actually refuse gracefully to handle these and PIC
419 relocs for cross-format linking. */
420#define TLSHOWTO32(name) \
421 HOWTO (name, 0, 2, 32, FALSE, 0, complain_overflow_bitfield, \
422 bfd_elf_generic_reloc, #name, FALSE, 0, 0xffffffff, FALSE)
100382c7
HPN		 423#define TLSHOWTO16X(name, X) \
424 HOWTO (name, 0, 1, 16, FALSE, 0, complain_overflow_ ## X, \
3926fc54 425 bfd_elf_generic_reloc, #name, FALSE, 0, 0xffff, FALSE)
100382c7
HPN		 426#define TLSHOWTO16(name) TLSHOWTO16X(name, unsigned)
427#define TLSHOWTO16S(name) TLSHOWTO16X(name, signed)
3926fc54
HPN		 428
429 TLSHOWTO32 (R_CRIS_32_GOT_GD),
430 TLSHOWTO16 (R_CRIS_16_GOT_GD),
431 TLSHOWTO32 (R_CRIS_32_GD),
432 TLSHOWTO32 (R_CRIS_DTP),
433 TLSHOWTO32 (R_CRIS_32_DTPREL),
100382c7 434 TLSHOWTO16S (R_CRIS_16_DTPREL),
3926fc54 435 TLSHOWTO32 (R_CRIS_32_GOT_TPREL),
100382c7 436 TLSHOWTO16S (R_CRIS_16_GOT_TPREL),
3926fc54 437 TLSHOWTO32 (R_CRIS_32_TPREL),
100382c7 438 TLSHOWTO16S (R_CRIS_16_TPREL),
75f500d7
HPN		 439 TLSHOWTO32 (R_CRIS_DTPMOD),
440 TLSHOWTO32 (R_CRIS_32_IE)
06c15ad7
HPN		 441};
442\f
443/* Map BFD reloc types to CRIS ELF reloc types. */
444
445struct cris_reloc_map
446{
447 bfd_reloc_code_real_type bfd_reloc_val;
448 unsigned int cris_reloc_val;
449};
450
451static const struct cris_reloc_map cris_reloc_map [] =
452{
453 { BFD_RELOC_NONE, R_CRIS_NONE },
454 { BFD_RELOC_8, R_CRIS_8 },
455 { BFD_RELOC_16, R_CRIS_16 },
456 { BFD_RELOC_32, R_CRIS_32 },
457 { BFD_RELOC_8_PCREL, R_CRIS_8_PCREL },
458 { BFD_RELOC_16_PCREL, R_CRIS_16_PCREL },
459 { BFD_RELOC_32_PCREL, R_CRIS_32_PCREL },
460 { BFD_RELOC_VTABLE_INHERIT, R_CRIS_GNU_VTINHERIT },
915e5146
HPN		 461 { BFD_RELOC_VTABLE_ENTRY, R_CRIS_GNU_VTENTRY },
462 { BFD_RELOC_CRIS_COPY, R_CRIS_COPY },
463 { BFD_RELOC_CRIS_GLOB_DAT, R_CRIS_GLOB_DAT },
464 { BFD_RELOC_CRIS_JUMP_SLOT, R_CRIS_JUMP_SLOT },
465 { BFD_RELOC_CRIS_RELATIVE, R_CRIS_RELATIVE },
466 { BFD_RELOC_CRIS_16_GOT, R_CRIS_16_GOT },
467 { BFD_RELOC_CRIS_32_GOT, R_CRIS_32_GOT },
468 { BFD_RELOC_CRIS_16_GOTPLT, R_CRIS_16_GOTPLT },
469 { BFD_RELOC_CRIS_32_GOTPLT, R_CRIS_32_GOTPLT },
470 { BFD_RELOC_CRIS_32_GOTREL, R_CRIS_32_GOTREL },
471 { BFD_RELOC_CRIS_32_PLT_GOTREL, R_CRIS_32_PLT_GOTREL },
3926fc54
HPN		 472 { BFD_RELOC_CRIS_32_PLT_PCREL, R_CRIS_32_PLT_PCREL },
473 { BFD_RELOC_CRIS_32_GOT_GD, R_CRIS_32_GOT_GD },
474 { BFD_RELOC_CRIS_16_GOT_GD, R_CRIS_16_GOT_GD },
475 { BFD_RELOC_CRIS_32_GD, R_CRIS_32_GD },
476 { BFD_RELOC_CRIS_DTP, R_CRIS_DTP },
477 { BFD_RELOC_CRIS_32_DTPREL, R_CRIS_32_DTPREL },
478 { BFD_RELOC_CRIS_16_DTPREL, R_CRIS_16_DTPREL },
479 { BFD_RELOC_CRIS_32_GOT_TPREL, R_CRIS_32_GOT_TPREL },
480 { BFD_RELOC_CRIS_16_GOT_TPREL, R_CRIS_16_GOT_TPREL },
481 { BFD_RELOC_CRIS_32_TPREL, R_CRIS_32_TPREL },
482 { BFD_RELOC_CRIS_16_TPREL, R_CRIS_16_TPREL },
75f500d7
HPN		 483 { BFD_RELOC_CRIS_DTPMOD, R_CRIS_DTPMOD },
484 { BFD_RELOC_CRIS_32_IE, R_CRIS_32_IE }
06c15ad7
HPN		 485};
486
487static reloc_howto_type *
488cris_reloc_type_lookup (abfd, code)
489 bfd * abfd ATTRIBUTE_UNUSED;
490 bfd_reloc_code_real_type code;
491{
908d94bf 492 unsigned int i;
06c15ad7 493
908d94bf 494 for (i = 0; i < sizeof (cris_reloc_map) / sizeof (cris_reloc_map[0]); i++)
06c15ad7
HPN		 495 if (cris_reloc_map [i].bfd_reloc_val == code)
496 return & cris_elf_howto_table [cris_reloc_map[i].cris_reloc_val];
a7c10850 497
06c15ad7
HPN		 498 return NULL;
499}
500
157090f7
AM		 501static reloc_howto_type *
502cris_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, const char *r_name)
503{
504 unsigned int i;
505
506 for (i = 0;
507 i < sizeof (cris_elf_howto_table) / sizeof (cris_elf_howto_table[0]);
508 i++)
509 if (cris_elf_howto_table[i].name != NULL
510 && strcasecmp (cris_elf_howto_table[i].name, r_name) == 0)
511 return &cris_elf_howto_table[i];
512
513 return NULL;
514}
515
06c15ad7
HPN		 516/* Set the howto pointer for an CRIS ELF reloc. */
517
518static void
519cris_info_to_howto_rela (abfd, cache_ptr, dst)
520 bfd * abfd ATTRIBUTE_UNUSED;
521 arelent * cache_ptr;
947216bf 522 Elf_Internal_Rela * dst;
06c15ad7 523{
100382c7 524 enum elf_cris_reloc_type r_type;
06c15ad7
HPN		 525
526 r_type = ELF32_R_TYPE (dst->r_info);
527 BFD_ASSERT (r_type < (unsigned int) R_CRIS_max);
528 cache_ptr->howto = & cris_elf_howto_table [r_type];
529}
bac23f82
HPN		 530
531bfd_reloc_status_type
532cris_elf_pcrel_reloc (abfd, reloc_entry, symbol, data, input_section,
533 output_bfd, error_message)
534 bfd *abfd ATTRIBUTE_UNUSED;
535 arelent *reloc_entry;
536 asymbol *symbol;
537 PTR data ATTRIBUTE_UNUSED;
538 asection *input_section;
539 bfd *output_bfd;
540 char **error_message ATTRIBUTE_UNUSED;
541{
542 /* By default (using only bfd_elf_generic_reloc when linking to
543 non-ELF formats) PC-relative relocs are relative to the beginning
544 of the reloc. CRIS PC-relative relocs are relative to the position
545 *after* the reloc because that's what pre-CRISv32 PC points to
546 after reading an insn field with that reloc. (For CRISv32, PC is
547 actually relative to the start of the insn, but we keep the old
548 definition.) Still, we use as much generic machinery as we can.
549
550 Only adjust when doing a final link. */
551 if (output_bfd == (bfd *) NULL)
552 reloc_entry->addend -= 1 << reloc_entry->howto->size;
553
554 return
555 bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
556 input_section, output_bfd, error_message);
557}
06c15ad7 558\f
bac23f82
HPN		 559/* Support for core dump NOTE sections.
560 The slightly unintuitive code layout is an attempt to keep at least
561 some similarities with other ports, hoping to simplify general
562 changes, while still keeping Linux/CRIS and Linux/CRISv32 code apart. */
72209a1f 563
b34976b6 564static bfd_boolean
72209a1f
HPN		 565cris_elf_grok_prstatus (abfd, note)
566 bfd *abfd;
567 Elf_Internal_Note *note;
568{
569 int offset;
eea6121a 570 size_t size;
72209a1f 571
bac23f82
HPN		 572 if (bfd_get_mach (abfd) == bfd_mach_cris_v32)
573 switch (note->descsz)
574 {
575 default:
576 return FALSE;
577
578 case 202: /* Linux/CRISv32 */
579 /* pr_cursig */
580 elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12);
581
582 /* pr_pid */
583 elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 22);
584
585 /* pr_reg */
586 offset = 70;
587 size = 128;
588
589 break;
590 }
591 else
592 switch (note->descsz)
593 {
72209a1f 594 default:
b34976b6 595 return FALSE;
72209a1f 596
bc0d28ee 597 case 214: /* Linux/CRIS */
72209a1f
HPN		 598 /* pr_cursig */
599 elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12);
600
601 /* pr_pid */
602 elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 22);
603
604 /* pr_reg */
605 offset = 70;
eea6121a 606 size = 140;
72209a1f
HPN		 607
608 break;
bac23f82 609 }
72209a1f
HPN		 610
611 /* Make a ".reg/999" section. */
612 return _bfd_elfcore_make_pseudosection (abfd, ".reg",
eea6121a 613 size, note->descpos + offset);
72209a1f
HPN		 614}
615
b34976b6 616static bfd_boolean
72209a1f
HPN		 617cris_elf_grok_psinfo (abfd, note)
618 bfd *abfd;
619 Elf_Internal_Note *note;
620{
bac23f82
HPN		 621 if (bfd_get_mach (abfd) == bfd_mach_cris_v32)
622 switch (note->descsz)
623 {
624 default:
625 return FALSE;
626
627 case 124: /* Linux/CRISv32 elf_prpsinfo */
628 elf_tdata (abfd)->core_program
629 = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
630 elf_tdata (abfd)->core_command
631 = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
632 }
633 else
634 switch (note->descsz)
635 {
72209a1f 636 default:
b34976b6 637 return FALSE;
72209a1f
HPN		 638
639 case 124: /* Linux/CRIS elf_prpsinfo */
640 elf_tdata (abfd)->core_program
bac23f82 641 = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
72209a1f 642 elf_tdata (abfd)->core_command
bac23f82
HPN		 643 = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
644 }
72209a1f
HPN		 645
646 /* Note that for some reason, a spurious space is tacked
647 onto the end of the args in some (at least one anyway)
648 implementations, so strip it off if it exists. */
649
650 {
651 char *command = elf_tdata (abfd)->core_command;
652 int n = strlen (command);
653
654 if (0 < n && command[n - 1] == ' ')
655 command[n - 1] = '\0';
656 }
657
b34976b6 658 return TRUE;
72209a1f
HPN		 659}
660\f
915e5146
HPN		 661/* The name of the dynamic interpreter. This is put in the .interp
662 section. */
663
664#define ELF_DYNAMIC_INTERPRETER "/lib/ld.so.1"
665
666/* The size in bytes of an entry in the procedure linkage table. */
667
668#define PLT_ENTRY_SIZE 20
bac23f82 669#define PLT_ENTRY_SIZE_V32 26
915e5146
HPN		 670
671/* The first entry in an absolute procedure linkage table looks like this. */
672
673static const bfd_byte elf_cris_plt0_entry[PLT_ENTRY_SIZE] =
674{
675 0xfc, 0xe1,
cedb70c5 676 0x7e, 0x7e, /* push mof. */
915e5146
HPN		 677 0x7f, 0x0d, /* (dip [pc+]) */
678 0, 0, 0, 0, /* Replaced with address of .got + 4. */
679 0x30, 0x7a, /* move [...],mof */
680 0x7f, 0x0d, /* (dip [pc+]) */
681 0, 0, 0, 0, /* Replaced with address of .got + 8. */
bac23f82
HPN		 682 0x30, 0x09 /* jump [...] */
683};
684
685static const bfd_byte elf_cris_plt0_entry_v32[PLT_ENTRY_SIZE_V32] =
686{
687 0x84, 0xe2, /* subq 4,$sp */
688 0x6f, 0xfe, /* move.d 0,$acr */
689 0, 0, 0, 0, /* Replaced by address of .got + 4. */
690 0x7e, 0x7a, /* move $mof,[$sp] */
691 0x3f, 0x7a, /* move [$acr],$mof */
692 0x04, 0xf2, /* addq 4,acr */
693 0x6f, 0xfa, /* move.d [$acr],$acr */
694 0xbf, 0x09, /* jump $acr */
695 0xb0, 0x05, /* nop */
696 0, 0 /* Pad out to 26 bytes. */
915e5146
HPN		 697};
698
699/* Subsequent entries in an absolute procedure linkage table look like
700 this. */
701
702static const bfd_byte elf_cris_plt_entry[PLT_ENTRY_SIZE] =
703{
704 0x7f, 0x0d, /* (dip [pc+]) */
705 0, 0, 0, 0, /* Replaced with address of this symbol in .got. */
706 0x30, 0x09, /* jump [...] */
707 0x3f, 0x7e, /* move [pc+],mof */
708 0, 0, 0, 0, /* Replaced with offset into relocation table. */
709 0x2f, 0xfe, /* add.d [pc+],pc */
710 0xec, 0xff,
711 0xff, 0xff /* Replaced with offset to start of .plt. */
712};
713
bac23f82
HPN		 714static const bfd_byte elf_cris_plt_entry_v32[PLT_ENTRY_SIZE_V32] =
715{
716 0x6f, 0xfe, /* move.d 0,$acr */
717 0, 0, 0, 0, /* Replaced with address of this symbol in .got. */
718 0x6f, 0xfa, /* move.d [$acr],$acr */
719 0xbf, 0x09, /* jump $acr */
720 0xb0, 0x05, /* nop */
721 0x3f, 0x7e, /* move 0,mof */
722 0, 0, 0, 0, /* Replaced with offset into relocation table. */
723 0xbf, 0x0e, /* ba start_of_plt0_entry */
724 0, 0, 0, 0, /* Replaced with offset to plt0 entry. */
725 0xb0, 0x05 /* nop */
726};
727
915e5146
HPN		 728/* The first entry in a PIC procedure linkage table looks like this. */
729
730static const bfd_byte elf_cris_pic_plt0_entry[PLT_ENTRY_SIZE] =
731{
732 0xfc, 0xe1, 0x7e, 0x7e, /* push mof */
733 0x04, 0x01, 0x30, 0x7a, /* move [r0+4],mof */
734 0x08, 0x01, 0x30, 0x09, /* jump [r0+8] */
735 0, 0, 0, 0, 0, 0, 0, 0, /* Pad out to 20 bytes. */
736};
737
bac23f82
HPN		 738static const bfd_byte elf_cris_pic_plt0_entry_v32[PLT_ENTRY_SIZE_V32] =
739{
740 0x84, 0xe2, /* subq 4,$sp */
741 0x04, 0x01, /* addoq 4,$r0,$acr */
742 0x7e, 0x7a, /* move $mof,[$sp] */
743 0x3f, 0x7a, /* move [$acr],$mof */
744 0x04, 0xf2, /* addq 4,$acr */
745 0x6f, 0xfa, /* move.d [$acr],$acr */
746 0xbf, 0x09, /* jump $acr */
747 0xb0, 0x05, /* nop */
748 0, 0, /* Pad out to 26 bytes. */
749 0, 0, 0, 0,
750 0, 0, 0, 0
751};
752
915e5146
HPN		 753/* Subsequent entries in a PIC procedure linkage table look like this. */
754
755static const bfd_byte elf_cris_pic_plt_entry[PLT_ENTRY_SIZE] =
756{
757 0x6f, 0x0d, /* (bdap [pc+].d,r0) */
758 0, 0, 0, 0, /* Replaced with offset of this symbol in .got. */
759 0x30, 0x09, /* jump [...] */
760 0x3f, 0x7e, /* move [pc+],mof */
761 0, 0, 0, 0, /* Replaced with offset into relocation table. */
762 0x2f, 0xfe, /* add.d [pc+],pc */
763 0xec, 0xff, /* Replaced with offset to start of .plt. */
764 0xff, 0xff
765};
bac23f82
HPN		 766
767static const bfd_byte elf_cris_pic_plt_entry_v32[PLT_ENTRY_SIZE_V32] =
768{
769 0x6f, 0x0d, /* addo.d 0,$r0,$acr */
770 0, 0, 0, 0, /* Replaced with offset of this symbol in .got. */
771 0x6f, 0xfa, /* move.d [$acr],$acr */
772 0xbf, 0x09, /* jump $acr */
773 0xb0, 0x05, /* nop */
774 0x3f, 0x7e, /* move relocoffs,$mof */
775 0, 0, 0, 0, /* Replaced with offset into relocation table. */
776 0xbf, 0x0e, /* ba start_of_plt */
777 0, 0, 0, 0, /* Replaced with offset to start of .plt. */
778 0xb0, 0x05 /* nop */
779};
915e5146
HPN		 780\f
781/* We copy elf32-m68k.c and elf32-i386.c for the basic linker hash bits
782 (and most other PIC/shlib stuff). Check that we don't drift away
783 without reason.
784
785 The CRIS linker, like the m68k and i386 linkers (and probably the rest
786 too) needs to keep track of the number of relocs that it decides to
787 copy in check_relocs for each symbol. This is so that it can discard
788 PC relative relocs if it doesn't need them when linking with
789 -Bsymbolic. We store the information in a field extending the regular
790 ELF linker hash table. */
791
792/* This structure keeps track of the number of PC relative relocs we have
793 copied for a given symbol. */
794
795struct elf_cris_pcrel_relocs_copied
796{
797 /* Next section. */
798 struct elf_cris_pcrel_relocs_copied *next;
0d08de41 799
915e5146
HPN		 800 /* A section in dynobj. */
801 asection *section;
0d08de41 802
915e5146
HPN		 803 /* Number of relocs copied in this section. */
804 bfd_size_type count;
0d08de41
HPN		 805
806 /* Example of reloc being copied, for message. */
807 enum elf_cris_reloc_type r_type;
915e5146
HPN		 808};
809
810/* CRIS ELF linker hash entry. */
811
812struct elf_cris_link_hash_entry
813{
814 struct elf_link_hash_entry root;
815
816 /* Number of PC relative relocs copied for this symbol. */
817 struct elf_cris_pcrel_relocs_copied *pcrel_relocs_copied;
818
819 /* The GOTPLT references are CRIS-specific; the goal is to avoid having
820 both a general GOT and a PLT-specific GOT entry for the same symbol,
821 when it is referenced both as a function and as a function pointer.
822
823 Number of GOTPLT references for a function. */
824 bfd_signed_vma gotplt_refcount;
825
826 /* Actual GOTPLT index for this symbol, if applicable, or zero if not
827 (zero is never used as an index). FIXME: We should be able to fold
828 this with gotplt_refcount in a union, like the got and plt unions in
829 elf_link_hash_entry. */
830 bfd_size_type gotplt_offset;
100382c7
HPN		 831
832 /* The root.got.refcount is the sum of the regular reference counts
833 (this) and those members below. We have to keep a separate count
834 to track when we've found the first (or last) reference to a
835 regular got entry. The offset is in root.got.offset. */
836 bfd_signed_vma reg_got_refcount;
837
838 /* Similar to the above, the number of reloc references to this
839 symbols that need a R_CRIS_32_TPREL slot. The offset is in
840 root.got.offset, because this and .dtp_refcount can't validly
841 happen when there's also a regular GOT entry; that's invalid
842 input for which an error is emitted. */
843 bfd_signed_vma tprel_refcount;
844
845 /* Similar to the above, the number of reloc references to this
846 symbols that need a R_CRIS_DTP slot. The offset is in
847 root.got.offset; plus 4 if .tprel_refcount > 0. */
848 bfd_signed_vma dtp_refcount;
915e5146
HPN		 849};
850
100382c7
HPN		 851/* The local_got_refcounts and local_got_offsets are a multiple of
852 LSNUM in size, namely LGOT_ALLOC_NELTS_FOR(LSNUM) (plus one for the
853 refcount for GOT itself, see code), with the summary / group offset
854 for local symbols located at offset N, reference counts for
855 ordinary (address) relocs at offset N + LSNUM, for R_CRIS_DTP
856 relocs at offset N + 2*LSNUM, and for R_CRIS_32_TPREL relocs at N +
857 3*LSNUM. */
858
859#define LGOT_REG_NDX(x) ((x) + symtab_hdr->sh_info)
860#define LGOT_DTP_NDX(x) ((x) + 2 * symtab_hdr->sh_info)
861#define LGOT_TPREL_NDX(x) ((x) + 3 * symtab_hdr->sh_info)
862#define LGOT_ALLOC_NELTS_FOR(x) ((x) * 4)
863
915e5146
HPN		 864/* CRIS ELF linker hash table. */
865
866struct elf_cris_link_hash_table
867{
868 struct elf_link_hash_table root;
869
870 /* We can't use the PLT offset and calculate to get the GOTPLT offset,
871 since we try and avoid creating GOTPLT:s when there's already a GOT.
872 Instead, we keep and update the next available index here. */
873 bfd_size_type next_gotplt_entry;
100382c7
HPN		 874
875 /* The number of R_CRIS_32_DTPREL and R_CRIS_16_DTPREL that have
876 been seen for any input; if != 0, then the constant-offset
877 R_CRIS_DTPMOD is needed for this DSO/executable. This turns
878 negative at relocation, so that we don't need an extra flag for
879 when the reloc is output. */
880 bfd_signed_vma dtpmod_refcount;
915e5146
HPN		 881};
882
883/* Traverse a CRIS ELF linker hash table. */
884
885#define elf_cris_link_hash_traverse(table, func, info) \
886 (elf_link_hash_traverse \
887 (&(table)->root, \
4dfe6ac6 888 (bfd_boolean (*) (struct elf_link_hash_entry *, void *)) (func), \
915e5146
HPN		 889 (info)))
890
891/* Get the CRIS ELF linker hash table from a link_info structure. */
892
893#define elf_cris_hash_table(p) \
4dfe6ac6
NC		 894 (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
895 == CRIS_ELF_DATA ? ((struct elf_cris_link_hash_table *) ((p)->hash)) : NULL)
915e5146 896
100382c7
HPN		 897/* Get the CRIS ELF linker hash entry from a regular hash entry (the
898 "parent class"). The .root reference is just a simple type
899 check on the argument. */
900
901#define elf_cris_hash_entry(p) \
902 ((struct elf_cris_link_hash_entry *) (&(p)->root))
903
915e5146
HPN		 904/* Create an entry in a CRIS ELF linker hash table. */
905
906static struct bfd_hash_entry *
4dfe6ac6
NC		 907elf_cris_link_hash_newfunc (struct bfd_hash_entry *entry,
908 struct bfd_hash_table *table,
909 const char *string)
915e5146
HPN		 910{
911 struct elf_cris_link_hash_entry *ret =
912 (struct elf_cris_link_hash_entry *) entry;
913
914 /* Allocate the structure if it has not already been allocated by a
915 subclass. */
916 if (ret == (struct elf_cris_link_hash_entry *) NULL)
917 ret = ((struct elf_cris_link_hash_entry *)
918 bfd_hash_allocate (table,
919 sizeof (struct elf_cris_link_hash_entry)));
920 if (ret == (struct elf_cris_link_hash_entry *) NULL)
921 return (struct bfd_hash_entry *) ret;
922
923 /* Call the allocation method of the superclass. */
924 ret = ((struct elf_cris_link_hash_entry *)
925 _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
926 table, string));
927 if (ret != (struct elf_cris_link_hash_entry *) NULL)
928 {
929 ret->pcrel_relocs_copied = NULL;
930 ret->gotplt_refcount = 0;
931 ret->gotplt_offset = 0;
100382c7
HPN		 932 ret->dtp_refcount = 0;
933 ret->tprel_refcount = 0;
934 ret->reg_got_refcount = 0;
915e5146
HPN		 935 }
936
937 return (struct bfd_hash_entry *) ret;
938}
939
940/* Create a CRIS ELF linker hash table. */
941
942static struct bfd_link_hash_table *
4dfe6ac6 943elf_cris_link_hash_table_create (bfd *abfd)
915e5146
HPN		 944{
945 struct elf_cris_link_hash_table *ret;
dc810e39 946 bfd_size_type amt = sizeof (struct elf_cris_link_hash_table);
915e5146 947
e2d34d7d 948 ret = ((struct elf_cris_link_hash_table *) bfd_malloc (amt));
915e5146
HPN		 949 if (ret == (struct elf_cris_link_hash_table *) NULL)
950 return NULL;
951
66eb6687
AM		 952 if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
953 elf_cris_link_hash_newfunc,
4dfe6ac6
NC		 954 sizeof (struct elf_cris_link_hash_entry),
955 CRIS_ELF_DATA))
915e5146 956 {
e2d34d7d 957 free (ret);
915e5146
HPN		 958 return NULL;
959 }
960
961 /* Initialize to skip over the first three entries in the gotplt; they
962 are used for run-time symbol evaluation. */
963 ret->next_gotplt_entry = 12;
964
100382c7
HPN		 965 /* We haven't seen any R_CRIS_nn_GOT_TPREL initially. */
966 ret->dtpmod_refcount = 0;
967
915e5146
HPN		 968 return &ret->root.root;
969}
970\f
06c15ad7 971/* Perform a single relocation. By default we use the standard BFD
915e5146 972 routines, with a few tweaks. */
06c15ad7
HPN		 973
974static bfd_reloc_status_type
975cris_final_link_relocate (howto, input_bfd, input_section, contents, rel,
976 relocation)
977 reloc_howto_type * howto;
978 bfd * input_bfd;
979 asection * input_section;
980 bfd_byte * contents;
981 Elf_Internal_Rela * rel;
982 bfd_vma relocation;
983{
915e5146 984 bfd_reloc_status_type r;
100382c7 985 enum elf_cris_reloc_type r_type = ELF32_R_TYPE (rel->r_info);
915e5146
HPN		 986
987 /* PC-relative relocations are relative to the position *after*
988 the reloc. Note that for R_CRIS_8_PCREL the adjustment is
989 not a single byte, since PC must be 16-bit-aligned. */
100382c7 990 switch (r_type)
915e5146
HPN		 991 {
992 /* Check that the 16-bit GOT relocs are positive. */
993 case R_CRIS_16_GOTPLT:
994 case R_CRIS_16_GOT:
995 if ((bfd_signed_vma) relocation < 0)
996 return bfd_reloc_overflow;
997 break;
998
999 case R_CRIS_32_PLT_PCREL:
1000 case R_CRIS_32_PCREL:
1001 relocation -= 2;
1002 /* Fall through. */
1003 case R_CRIS_8_PCREL:
1004 case R_CRIS_16_PCREL:
1005 relocation -= 2;
1006 break;
1007
1008 default:
1009 break;
1010 }
1011
1012 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
06c15ad7
HPN		 1013 contents, rel->r_offset,
1014 relocation, rel->r_addend);
1015 return r;
1016}
1017\f
100382c7
HPN		 1018
1019/* The number of errors left before we stop outputting reloc-specific
1020 explanatory messages. By coincidence, this works nicely together
1021 with the default number of messages you'll get from LD about
1022 "relocation truncated to fit" messages before you get an
1023 "additional relocation overflows omitted from the output". */
1024static int additional_relocation_error_msg_count = 10;
1025
06c15ad7
HPN		 1026/* Relocate an CRIS ELF section. See elf32-fr30.c, from where this was
1027 copied, for further comments. */
1028
b34976b6 1029static bfd_boolean
4dfe6ac6
NC		 1030cris_elf_relocate_section (bfd *output_bfd ATTRIBUTE_UNUSED,
1031 struct bfd_link_info *info,
1032 bfd *input_bfd,
1033 asection *input_section,
1034 bfd_byte *contents,
1035 Elf_Internal_Rela *relocs,
1036 Elf_Internal_Sym *local_syms,
1037 asection **local_sections)
06c15ad7 1038{
4dfe6ac6 1039 struct elf_cris_link_hash_table * htab;
915e5146 1040 bfd *dynobj;
b34976b6
AM		 1041 Elf_Internal_Shdr *symtab_hdr;
1042 struct elf_link_hash_entry **sym_hashes;
915e5146
HPN		 1043 bfd_vma *local_got_offsets;
1044 asection *sgot;
1045 asection *splt;
1046 asection *sreloc;
b34976b6
AM		 1047 Elf_Internal_Rela *rel;
1048 Elf_Internal_Rela *relend;
100382c7 1049 asection *srelgot;
06c15ad7 1050
4dfe6ac6
NC		 1051 htab = elf_cris_hash_table (info);
1052 if (htab == NULL)
1053 return FALSE;
1054
915e5146
HPN		 1055 dynobj = elf_hash_table (info)->dynobj;
1056 local_got_offsets = elf_local_got_offsets (input_bfd);
06c15ad7
HPN		 1057 symtab_hdr = & elf_tdata (input_bfd)->symtab_hdr;
1058 sym_hashes = elf_sym_hashes (input_bfd);
1059 relend = relocs + input_section->reloc_count;
1060
915e5146
HPN		 1061 sgot = NULL;
1062 splt = NULL;
1063 sreloc = NULL;
100382c7 1064 srelgot = NULL;
915e5146
HPN		 1065
1066 if (dynobj != NULL)
1067 {
1068 splt = bfd_get_section_by_name (dynobj, ".plt");
1069 sgot = bfd_get_section_by_name (dynobj, ".got");
1070 }
1071
06c15ad7
HPN		 1072 for (rel = relocs; rel < relend; rel ++)
1073 {
b34976b6
AM		 1074 reloc_howto_type *howto;
1075 unsigned long r_symndx;
1076 Elf_Internal_Sym *sym;
1077 asection *sec;
1078 struct elf_link_hash_entry *h;
1079 bfd_vma relocation;
1080 bfd_reloc_status_type r;
1081 const char *symname = NULL;
100382c7 1082 enum elf_cris_reloc_type r_type;
a7c10850 1083
06c15ad7 1084 r_type = ELF32_R_TYPE (rel->r_info);
a7c10850 1085
06c15ad7
HPN		 1086 if ( r_type == R_CRIS_GNU_VTINHERIT
1087 || r_type == R_CRIS_GNU_VTENTRY)
1088 continue;
a7c10850 1089
f0fe0e16 1090 r_symndx = ELF32_R_SYM (rel->r_info);
915e5146 1091 howto = cris_elf_howto_table + r_type;
06c15ad7
HPN		 1092 h = NULL;
1093 sym = NULL;
1094 sec = NULL;
a7c10850 1095
06c15ad7
HPN		 1096 if (r_symndx < symtab_hdr->sh_info)
1097 {
1098 sym = local_syms + r_symndx;
1099 sec = local_sections [r_symndx];
8517fae7 1100 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
a7c10850 1101
dc810e39
AM		 1102 symname = (bfd_elf_string_from_elf_section
1103 (input_bfd, symtab_hdr->sh_link, sym->st_name));
1104 if (symname == NULL)
1105 symname = bfd_section_name (input_bfd, sec);
06c15ad7
HPN		 1106 }
1107 else
1108 {
560e09e9
NC		 1109 bfd_boolean warned;
1110 bfd_boolean unresolved_reloc;
0a4787a0 1111
b2a8e766
AM		 1112 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
1113 r_symndx, symtab_hdr, sym_hashes,
1114 h, sec, relocation,
1115 unresolved_reloc, warned);
915e5146 1116
100382c7
HPN		 1117 symname = h->root.root.string;
1118
560e09e9 1119 if (unresolved_reloc
915e5146
HPN		 1120 /* Perhaps we should detect the cases that
1121 sec->output_section is expected to be NULL like i386 and
1122 m68k, but apparently (and according to elfxx-ia64.c) all
1123 valid cases are where the symbol is defined in a shared
1124 object which we link dynamically against. This includes
1125 PLT relocs for which we've created a PLT entry and other
1126 relocs for which we're prepared to create dynamic
1127 relocations.
1128
1129 For now, new situations cause us to just err when
1130 sec->output_offset is NULL but the object with the symbol
1131 is *not* dynamically linked against. Thus this will
1132 automatically remind us so we can see if there are other
1133 valid cases we need to revisit. */
560e09e9
NC		 1134 && (sec->owner->flags & DYNAMIC) != 0)
1135 relocation = 0;
1136
1137 else if (h->root.type == bfd_link_hash_defined
1138 || h->root.type == bfd_link_hash_defweak)
1139 {
1140 /* Here follow the cases where the relocation value must
1141 be zero (or when further handling is simplified when
1142 zero). I can't claim to understand the various
1143 conditions and they weren't described in the files
1144 where I copied them from (elf32-m68k.c and
1145 elf32-i386.c), but let's mention examples of where
1146 they happen. FIXME: Perhaps define and use a
1147 dynamic_symbol_p function like ia64.
1148
1149 - When creating a shared library, we can have an
1150 ordinary relocation for a symbol defined in a shared
1151 library (perhaps the one we create). We then make
1152 the relocation value zero, as the value seen now will
1153 be added into the relocation addend in this shared
1154 library, but must be handled only at dynamic-link
1155 time. FIXME: Not sure this example covers the
1156 h->elf_link_hash_flags test, though it's there in
1157 other targets. */
1158 if (info->shared
1159 && ((! info->symbolic && h->dynindx != -1)
f5385ebf 1160 || !h->def_regular)
560e09e9
NC		 1161 && (input_section->flags & SEC_ALLOC) != 0
1162 && (r_type == R_CRIS_8
1163 || r_type == R_CRIS_16
1164 || r_type == R_CRIS_32
1165 || r_type == R_CRIS_8_PCREL
1166 || r_type == R_CRIS_16_PCREL
1167 || r_type == R_CRIS_32_PCREL))
915e5146 1168 relocation = 0;
ab96bf03 1169 else if (!info->relocatable && unresolved_reloc)
915e5146 1170 {
560e09e9 1171 _bfd_error_handler
bac23f82 1172 (_("%B, section %A: unresolvable relocation %s against symbol `%s'"),
d003868e
AM		 1173 input_bfd,
1174 input_section,
8f615d07 1175 cris_elf_howto_table[r_type].name,
d003868e 1176 symname);
915e5146 1177 bfd_set_error (bfd_error_bad_value);
b34976b6 1178 return FALSE;
915e5146 1179 }
06c15ad7 1180 }
06c15ad7 1181 }
a7c10850 1182
ab96bf03
AM		 1183 if (sec != NULL && elf_discarded_section (sec))
1184 {
1185 /* For relocs against symbols from removed linkonce sections,
1186 or sections discarded by a linker script, we just want the
1187 section contents zeroed. Avoid any special processing. */
1188 _bfd_clear_contents (howto, input_bfd, contents + rel->r_offset);
1189 rel->r_info = 0;
1190 rel->r_addend = 0;
1191 continue;
1192 }
1193
1194 if (info->relocatable)
1195 continue;
1196
915e5146 1197 switch (r_type)
06c15ad7 1198 {
915e5146
HPN		 1199 case R_CRIS_16_GOTPLT:
1200 case R_CRIS_32_GOTPLT:
1201 /* This is like the case for R_CRIS_32_GOT and R_CRIS_16_GOT,
1202 but we require a PLT, and the PLT handling will take care of
1203 filling in the PLT-specific GOT entry. For the GOT offset,
1204 calculate it as we do when filling it in for the .got.plt
1205 section. If we don't have a PLT, punt to GOT handling. */
1206 if (h != NULL
1207 && ((struct elf_cris_link_hash_entry *) h)->gotplt_offset != 0)
06c15ad7 1208 {
915e5146
HPN		 1209 asection *sgotplt
1210 = bfd_get_section_by_name (dynobj, ".got.plt");
1211 bfd_vma got_offset;
a7c10850 1212
915e5146
HPN		 1213 BFD_ASSERT (h->dynindx != -1);
1214 BFD_ASSERT (sgotplt != NULL);
a7c10850 1215
915e5146
HPN		 1216 got_offset
1217 = ((struct elf_cris_link_hash_entry *) h)->gotplt_offset;
06c15ad7 1218
915e5146 1219 relocation = got_offset;
06c15ad7 1220 break;
915e5146 1221 }
06c15ad7 1222
4d96d128 1223 /* We didn't make a PLT entry for this symbol. Maybe everything is
915e5146
HPN		 1224 folded into the GOT. Other than folding, this happens when
1225 statically linking PIC code, or when using -Bsymbolic. Check
1226 that we instead have a GOT entry as done for us by
1227 elf_cris_adjust_dynamic_symbol, and drop through into the
e4a2175c
HPN		 1228 ordinary GOT cases. This must not happen for the
1229 executable, because any reference it does to a function
1230 that is satisfied by a DSO must generate a PLT. We assume
1231 these call-specific relocs don't address non-functions. */
1232 if (h != NULL
1233 && (h->got.offset == (bfd_vma) -1
1234 || (!info->shared
f5385ebf
AM		 1235 && !(h->def_regular
1236 || (!h->def_dynamic
1237 && h->root.type == bfd_link_hash_undefweak)))))
915e5146
HPN		 1238 {
1239 (*_bfd_error_handler)
e4a2175c 1240 ((h->got.offset == (bfd_vma) -1)
bac23f82 1241 ? _("%B, section %A: No PLT nor GOT for relocation %s"
d003868e 1242 " against symbol `%s'")
bac23f82 1243 : _("%B, section %A: No PLT for relocation %s"
d003868e
AM		 1244 " against symbol `%s'"),
1245 input_bfd,
1246 input_section,
915e5146 1247 cris_elf_howto_table[r_type].name,
ada1953e
HPN		 1248 (symname != NULL && symname[0] != '\0'
1249 ? symname : _("[whose name is lost]")));
915e5146
HPN		 1250
1251 /* FIXME: Perhaps blaming input is not the right thing to
1252 do; this is probably an internal error. But it is true
1253 that we didn't like that particular input. */
1254 bfd_set_error (bfd_error_bad_value);
b34976b6 1255 return FALSE;
915e5146
HPN		 1256 }
1257 /* Fall through. */
1258
1259 /* The size of the actual relocation is not used here; we only
1260 fill in the GOT table here. */
1261 case R_CRIS_16_GOT:
1262 case R_CRIS_32_GOT:
1263 {
1264 bfd_vma off;
1265
1266 /* Note that despite using RELA relocations, the .got contents
1267 is always filled in with the link-relative relocation
1268 value; the addend. */
1269
1270 if (h != NULL)
1271 {
1272 off = h->got.offset;
1273 BFD_ASSERT (off != (bfd_vma) -1);
1274
1275 if (!elf_hash_table (info)->dynamic_sections_created
205cfeb0 1276 || (! info->shared
f5385ebf 1277 && (h->def_regular
e4a2175c 1278 || h->type == STT_FUNC
f5385ebf 1279 || h->needs_plt))
915e5146
HPN		 1280 || (info->shared
1281 && (info->symbolic || h->dynindx == -1)
f5385ebf 1282 && h->def_regular))
915e5146 1283 {
4d96d128 1284 /* This wasn't checked above for ! info->shared, but
e4a2175c
HPN		 1285 must hold there if we get here; the symbol must
1286 be defined in the regular program or be undefweak
1287 or be a function or otherwise need a PLT. */
6849c52f
HPN		 1288 BFD_ASSERT (!elf_hash_table (info)->dynamic_sections_created
1289 || info->shared
f5385ebf 1290 || h->def_regular
e4a2175c 1291 || h->type == STT_FUNC
f5385ebf 1292 || h->needs_plt
6849c52f 1293 || h->root.type == bfd_link_hash_undefweak);
4d96d128 1294
915e5146 1295 /* This is actually a static link, or it is a
6849c52f
HPN		 1296 -Bsymbolic link and the symbol is defined locally,
1297 or is undefweak, or the symbol was forced to be
1298 local because of a version file, or we're not
1299 creating a dynamic object. We must initialize this
1300 entry in the global offset table. Since the offset
1301 must always be a multiple of 4, we use the least
1302 significant bit to record whether we have
1303 initialized it already.
1304
1305 If this GOT entry should be runtime-initialized, we
1306 will create a .rela.got relocation entry to
1307 initialize the value. This is done in the
1308 finish_dynamic_symbol routine. */
915e5146
HPN		 1309 if ((off & 1) != 0)
1310 off &= ~1;
1311 else
1312 {
1313 bfd_put_32 (output_bfd, relocation,
1314 sgot->contents + off);
1315 h->got.offset |= 1;
1316 }
1317 }
1318 }
1319 else
1320 {
1321 BFD_ASSERT (local_got_offsets != NULL
1322 && local_got_offsets[r_symndx] != (bfd_vma) -1);
1323
1324 off = local_got_offsets[r_symndx];
1325
1326 /* The offset must always be a multiple of 4. We use
1327 the least significant bit to record whether we have
1328 already generated the necessary reloc. */
1329 if ((off & 1) != 0)
1330 off &= ~1;
1331 else
1332 {
1333 bfd_put_32 (output_bfd, relocation, sgot->contents + off);
1334
1335 if (info->shared)
1336 {
915e5146 1337 Elf_Internal_Rela outrel;
947216bf 1338 bfd_byte *loc;
915e5146 1339
100382c7
HPN		 1340 if (srelgot == NULL)
1341 srelgot
1342 = bfd_get_section_by_name (dynobj, ".rela.got");
1343 BFD_ASSERT (srelgot != NULL);
915e5146
HPN		 1344
1345 outrel.r_offset = (sgot->output_section->vma
1346 + sgot->output_offset
1347 + off);
1348 outrel.r_info = ELF32_R_INFO (0, R_CRIS_RELATIVE);
1349 outrel.r_addend = relocation;
100382c7
HPN		 1350 loc = srelgot->contents;
1351 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
947216bf 1352 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
915e5146
HPN		 1353 }
1354
1355 local_got_offsets[r_symndx] |= 1;
1356 }
1357 }
1358
1359 relocation = sgot->output_offset + off;
1360 if (rel->r_addend != 0)
1361 {
1362 /* We can't do anything for a relocation which is against
1363 a symbol *plus offset*. GOT holds relocations for
1364 symbols. Make this an error; the compiler isn't
1365 allowed to pass us these kinds of things. */
1366 if (h == NULL)
1367 (*_bfd_error_handler)
bac23f82 1368 (_("%B, section %A: relocation %s with non-zero addend %d"
d003868e
AM		 1369 " against local symbol"),
1370 input_bfd,
1371 input_section,
915e5146 1372 cris_elf_howto_table[r_type].name,
d003868e 1373 rel->r_addend);
915e5146
HPN		 1374 else
1375 (*_bfd_error_handler)
bac23f82 1376 (_("%B, section %A: relocation %s with non-zero addend %d"
d003868e
AM		 1377 " against symbol `%s'"),
1378 input_bfd,
1379 input_section,
915e5146
HPN		 1380 cris_elf_howto_table[r_type].name,
1381 rel->r_addend,
d003868e 1382 symname[0] != '\0' ? symname : _("[whose name is lost]"));
915e5146
HPN		 1383
1384 bfd_set_error (bfd_error_bad_value);
b34976b6 1385 return FALSE;
915e5146
HPN		 1386 }
1387 }
1388 break;
06c15ad7 1389
915e5146 1390 case R_CRIS_32_GOTREL:
3dab95d3
HPN		 1391 /* This relocation must only be performed against local symbols.
1392 It's also ok when we link a program and the symbol is either
1393 defined in an ordinary (non-DSO) object or is undefined weak. */
1394 if (h != NULL
1395 && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
1396 && !(!info->shared
f5385ebf
AM		 1397 && (h->def_regular
1398 || (!h->def_dynamic
3dab95d3 1399 && h->root.type == bfd_link_hash_undefweak))))
915e5146
HPN		 1400 {
1401 (*_bfd_error_handler)
bac23f82
HPN		 1402 (_("%B, section %A: relocation %s is"
1403 " not allowed for global symbol: `%s'"),
d003868e
AM		 1404 input_bfd,
1405 input_section,
915e5146 1406 cris_elf_howto_table[r_type].name,
d003868e 1407 symname);
915e5146 1408 bfd_set_error (bfd_error_bad_value);
b34976b6 1409 return FALSE;
06c15ad7
HPN		 1410 }
1411
58255df3
HPN		 1412 /* This can happen if we get a link error with the input ELF
1413 variant mismatching the output variant. Emit an error so
1414 it's noticed if it happens elsewhere. */
1415 if (sgot == NULL)
1416 {
1417 (*_bfd_error_handler)
bac23f82 1418 (_("%B, section %A: relocation %s with no GOT created"),
d003868e
AM		 1419 input_bfd,
1420 input_section,
1421 cris_elf_howto_table[r_type].name);
58255df3 1422 bfd_set_error (bfd_error_bad_value);
b34976b6 1423 return FALSE;
58255df3
HPN		 1424 }
1425
915e5146
HPN		 1426 /* This relocation is like a PC-relative one, except the
1427 reference point is the location of GOT. Note that
1428 sgot->output_offset is not involved in this calculation. We
1429 always want the start of entire .got section, not the
1430 position after the reserved header. */
1431 relocation -= sgot->output_section->vma;
1432 break;
06c15ad7 1433
915e5146
HPN		 1434 case R_CRIS_32_PLT_PCREL:
1435 /* Relocation is to the entry for this symbol in the
1436 procedure linkage table. */
06c15ad7 1437
915e5146
HPN		 1438 /* Resolve a PLT_PCREL reloc against a local symbol directly,
1439 without using the procedure linkage table. */
0a4787a0 1440 if (h == NULL || ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
915e5146
HPN		 1441 break;
1442
1443 if (h->plt.offset == (bfd_vma) -1
1444 || splt == NULL)
1445 {
1446 /* We didn't make a PLT entry for this symbol. This
1447 happens when statically linking PIC code, or when
1448 using -Bsymbolic. */
1449 break;
1450 }
1451
1452 relocation = (splt->output_section->vma
1453 + splt->output_offset
1454 + h->plt.offset);
1455 break;
1456
1457 case R_CRIS_32_PLT_GOTREL:
1458 /* Like R_CRIS_32_PLT_PCREL, but the reference point is the
1459 start of the .got section. See also comment at
1460 R_CRIS_32_GOT. */
1461 relocation -= sgot->output_section->vma;
1462
1463 /* Resolve a PLT_GOTREL reloc against a local symbol directly,
1464 without using the procedure linkage table. */
0a4787a0 1465 if (h == NULL || ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
915e5146
HPN		 1466 break;
1467
1468 if (h->plt.offset == (bfd_vma) -1
1469 || splt == NULL)
1470 {
1471 /* We didn't make a PLT entry for this symbol. This
1472 happens when statically linking PIC code, or when
1473 using -Bsymbolic. */
1474 break;
1475 }
1476
1477 relocation = (splt->output_section->vma
1478 + splt->output_offset
1479 + h->plt.offset
1480 - sgot->output_section->vma);
1481 break;
1482
1483 case R_CRIS_8_PCREL:
1484 case R_CRIS_16_PCREL:
1485 case R_CRIS_32_PCREL:
1486 /* If the symbol was local, we need no shlib-specific handling. */
0d08de41
HPN		 1487 if (h == NULL || ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
1488 || h->dynindx == -1)
915e5146
HPN		 1489 break;
1490
1491 /* Fall through. */
1492 case R_CRIS_8:
1493 case R_CRIS_16:
1494 case R_CRIS_32:
1495 if (info->shared
ec338859 1496 && r_symndx != 0
915e5146
HPN		 1497 && (input_section->flags & SEC_ALLOC) != 0
1498 && ((r_type != R_CRIS_8_PCREL
1499 && r_type != R_CRIS_16_PCREL
1500 && r_type != R_CRIS_32_PCREL)
1501 || (!info->symbolic
02865b8e 1502 || (h != NULL && !h->def_regular))))
915e5146
HPN		 1503 {
1504 Elf_Internal_Rela outrel;
947216bf 1505 bfd_byte *loc;
b34976b6 1506 bfd_boolean skip, relocate;
915e5146
HPN		 1507
1508 /* When generating a shared object, these relocations
1509 are copied into the output file to be resolved at run
1510 time. */
1511
1512 if (sreloc == NULL)
1513 {
83bac4b0
NC		 1514 sreloc = _bfd_elf_get_dynamic_reloc_section
1515 (input_bfd, input_section, /*rela?*/ TRUE);
1516 /* The section should have been created in cris_elf_check_relocs,
1517 but that function will not be called for objects which fail in
915e5146
HPN		 1518 cris_elf_merge_private_bfd_data. */
1519 if (sreloc == NULL)
1520 {
915e5146 1521 bfd_set_error (bfd_error_bad_value);
b34976b6 1522 return FALSE;
915e5146
HPN		 1523 }
1524 }
1525
b34976b6
AM		 1526 skip = FALSE;
1527 relocate = FALSE;
915e5146 1528
c629eae0
JJ		 1529 outrel.r_offset =
1530 _bfd_elf_section_offset (output_bfd, info, input_section,
1531 rel->r_offset);
1532 if (outrel.r_offset == (bfd_vma) -1)
b34976b6 1533 skip = TRUE;
b3bf42d8
HPN		 1534 else if (outrel.r_offset == (bfd_vma) -2
1535 /* For now, undefined weak symbols with non-default
1536 visibility (yielding 0), like exception info for
1537 discarded sections, will get a R_CRIS_NONE
1538 relocation rather than no relocation, because we
1539 notice too late that the symbol doesn't need a
1540 relocation. */
1541 || (h != NULL
1542 && h->root.type == bfd_link_hash_undefweak
1543 && ELF_ST_VISIBILITY (h->other) != STV_DEFAULT))
b34976b6 1544 skip = TRUE, relocate = TRUE;
915e5146
HPN		 1545 outrel.r_offset += (input_section->output_section->vma
1546 + input_section->output_offset);
1547
1548 if (skip)
0bb2d96a 1549 memset (&outrel, 0, sizeof outrel);
915e5146
HPN		 1550 /* h->dynindx may be -1 if the symbol was marked to
1551 become local. */
1552 else if (h != NULL
1553 && ((! info->symbolic && h->dynindx != -1)
f5385ebf 1554 || !h->def_regular))
915e5146
HPN		 1555 {
1556 BFD_ASSERT (h->dynindx != -1);
915e5146
HPN		 1557 outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
1558 outrel.r_addend = relocation + rel->r_addend;
1559 }
1560 else
1561 {
74541ad4
AM		 1562 outrel.r_addend = relocation + rel->r_addend;
1563
915e5146
HPN		 1564 if (r_type == R_CRIS_32)
1565 {
b34976b6 1566 relocate = TRUE;
915e5146 1567 outrel.r_info = ELF32_R_INFO (0, R_CRIS_RELATIVE);
915e5146
HPN		 1568 }
1569 else
1570 {
1571 long indx;
1572
8517fae7 1573 if (bfd_is_abs_section (sec))
915e5146
HPN		 1574 indx = 0;
1575 else if (sec == NULL || sec->owner == NULL)
1576 {
1577 bfd_set_error (bfd_error_bad_value);
b34976b6 1578 return FALSE;
915e5146
HPN		 1579 }
1580 else
1581 {
1582 asection *osec;
1583
74541ad4
AM		 1584 /* We are turning this relocation into one
1585 against a section symbol. It would be
1586 proper to subtract the symbol's value,
1587 osec->vma, from the emitted reloc addend,
1588 but ld.so expects buggy relocs. */
915e5146
HPN		 1589 osec = sec->output_section;
1590 indx = elf_section_data (osec)->dynindx;
74541ad4
AM		 1591 if (indx == 0)
1592 {
74541ad4
AM		 1593 osec = htab->root.text_index_section;
1594 indx = elf_section_data (osec)->dynindx;
1595 }
1596 BFD_ASSERT (indx != 0);
915e5146
HPN		 1597 }
1598
915e5146 1599 outrel.r_info = ELF32_R_INFO (indx, r_type);
915e5146
HPN		 1600 }
1601 }
1602
947216bf
AM		 1603 loc = sreloc->contents;
1604 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
1605 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
915e5146
HPN		 1606
1607 /* This reloc will be computed at runtime, so there's no
1608 need to do anything now, except for R_CRIS_32 relocations
1609 that have been turned into R_CRIS_RELATIVE. */
1610 if (!relocate)
1611 continue;
1612 }
1613
1614 break;
100382c7
HPN		 1615
1616 case R_CRIS_16_DTPREL:
1617 case R_CRIS_32_DTPREL:
1618 /* This relocation must only be performed against local
6718f446
HPN		 1619 symbols, or to sections that are not loadable. It's also
1620 ok when we link a program and the symbol is defined in an
1621 ordinary (non-DSO) object (if it's undefined there, we've
1622 already seen an error). */
100382c7 1623 if (h != NULL
6718f446 1624 && (input_section->flags & SEC_ALLOC) != 0
100382c7
HPN		 1625 && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
1626 && (info->shared
1627 || (!h->def_regular
1628 && h->root.type != bfd_link_hash_undefined)))
1629 {
1630 (*_bfd_error_handler)
1631 ((h->root.type == bfd_link_hash_undefined)
1632 /* We shouldn't get here for GCC-emitted code. */
1633 ? _("%B, section %A: relocation %s has an undefined"
1634 " reference to `%s', perhaps a declaration mixup?")
1635 : ("%B, section %A: relocation %s is"
1636 " not allowed for `%s', a global symbol with default"
1637 " visibility, perhaps a declaration mixup?"),
1638 input_bfd,
1639 input_section,
1640 cris_elf_howto_table[r_type].name,
1641 symname != NULL && symname[0] != '\0'
1642 ? symname : _("[whose name is lost]"));
1643 bfd_set_error (bfd_error_bad_value);
1644 return FALSE;
1645 }
1646
6718f446 1647 BFD_ASSERT ((input_section->flags & SEC_ALLOC) == 0
4dfe6ac6 1648 || htab->dtpmod_refcount != 0);
100382c7
HPN		 1649
1650 /* Fill in a R_CRIS_DTPMOD reloc at offset 3 if we haven't
1651 already done so. Note that we do this in .got.plt, not
1652 in .got, as .got.plt contains the first part, still the
1653 reloc is against .got, because the linker script directs
1654 (is required to direct) them both into .got. */
4dfe6ac6 1655 if (htab->dtpmod_refcount > 0
6718f446 1656 && (input_section->flags & SEC_ALLOC) != 0)
100382c7
HPN		 1657 {
1658 asection *sgotplt = bfd_get_section_by_name (dynobj, ".got.plt");
1659 BFD_ASSERT (sgotplt != NULL);
1660
1661 if (info->shared)
1662 {
1663 Elf_Internal_Rela outrel;
1664 bfd_byte *loc;
1665
1666 if (srelgot == NULL)
1667 srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
1668 BFD_ASSERT (srelgot != NULL);
1669 loc = srelgot->contents;
1670 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
1671
1672 bfd_put_32 (output_bfd, (bfd_vma) 0, sgotplt->contents + 12);
1673 bfd_put_32 (output_bfd, (bfd_vma) 0, sgotplt->contents + 16);
1674 outrel.r_offset = (sgotplt->output_section->vma
1675 + sgotplt->output_offset
1676 + 12);
1677 outrel.r_info = ELF32_R_INFO (0, R_CRIS_DTPMOD);
1678 outrel.r_addend = 0;
1679 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
1680 }
1681 else
1682 {
1683 /* For an executable, the GOT entry contents is known. */
1684 bfd_put_32 (output_bfd, (bfd_vma) 1, sgotplt->contents + 12);
1685 bfd_put_32 (output_bfd, (bfd_vma) 0, sgotplt->contents + 16);
1686 }
1687
1688 /* Reverse the sign to mark that we've emitted the
1689 required GOT entry. */
4dfe6ac6 1690 htab->dtpmod_refcount = - htab->dtpmod_refcount;
100382c7
HPN		 1691 }
1692
ebf275e3
HPN		 1693 /* The relocation is the offset from the start of the module
1694 TLS block to the (local) symbol. */
100382c7 1695 relocation -= elf_hash_table (info)->tls_sec == NULL
ebf275e3 1696 ? 0 : elf_hash_table (info)->tls_sec->vma;
100382c7
HPN		 1697 break;
1698
1699 case R_CRIS_32_GD:
1700 if (info->shared)
1701 {
1702 bfd_set_error (bfd_error_invalid_operation);
1703
1704 /* We've already informed in cris_elf_check_relocs that
1705 this is an error. */
1706 return FALSE;
1707 }
1708 /* Fall through. */
1709
1710 case R_CRIS_16_GOT_GD:
1711 case R_CRIS_32_GOT_GD:
1712 if (rel->r_addend != 0)
1713 {
1714 /* We can't do anything for a relocation which is against a
1715 symbol *plus offset*. The GOT holds relocations for
1716 symbols. Make this an error; the compiler isn't allowed
1717 to pass us these kinds of things. */
1718 (*_bfd_error_handler)
1719 (_("%B, section %A: relocation %s with non-zero addend %d"
1720 " against symbol `%s'"),
1721 input_bfd,
1722 input_section,
1723 cris_elf_howto_table[r_type].name,
1724 rel->r_addend,
1725 symname[0] != '\0' ? symname : _("[whose name is lost]"));
1726
1727 bfd_set_error (bfd_error_bad_value);
1728 return FALSE;
1729 }
1730
34d3d6b9
HPN		 1731 if (!info->shared
1732 && (h == NULL || h->def_regular || ELF_COMMON_DEF_P (h)))
100382c7
HPN		 1733 {
1734 /* Known contents of the GOT. */
1735 bfd_vma off;
1736
1737 /* The symbol is defined in the program, so just write
019c5a2e 1738 (1, known_tpoffset) into the GOT. */
100382c7
HPN		 1739 relocation -= elf_hash_table (info)->tls_sec->vma;
1740
1741 if (h != NULL)
1742 {
1743 off = elf_cris_hash_entry (h)->tprel_refcount > 0
1744 ? h->got.offset + 4 : h->got.offset;
1745 }
1746 else
1747 {
1748 off = local_got_offsets[r_symndx];
1749 if (local_got_offsets[LGOT_TPREL_NDX (r_symndx)])
1750 off += 4;
1751 }
1752
1753 /* We use bit 1 of the offset as a flag for GOT entry with
1754 the R_CRIS_DTP reloc, setting it when we've emitted the
1755 GOT entry and reloc. Bit 0 is used for R_CRIS_32_TPREL
1756 relocs. */
1757 if ((off & 2) == 0)
1758 {
1759 off &= ~3;
1760
1761 if (h != NULL)
1762 h->got.offset |= 2;
1763 else
1764 local_got_offsets[r_symndx] |= 2;
1765
1766 bfd_put_32 (output_bfd, 1, sgot->contents + off);
1767 bfd_put_32 (output_bfd, relocation, sgot->contents + off + 4);
1768 }
1769 else
1770 off &= ~3;
1771
1772 relocation = sgot->output_offset + off
1773 + (r_type == R_CRIS_32_GD ? sgot->output_section->vma : 0);
1774 }
1775 else
1776 {
1777 /* Not all parts of the GOT entry are known; emit a real
1778 relocation. */
1779 bfd_vma off;
1780
1781 if (h != NULL)
1782 off = elf_cris_hash_entry (h)->tprel_refcount > 0
1783 ? h->got.offset + 4 : h->got.offset;
1784 else
1785 {
1786 off = local_got_offsets[r_symndx];
1787 if (local_got_offsets[LGOT_TPREL_NDX (r_symndx)])
1788 off += 4;
1789 }
1790
1791 /* See above re bit 1 and bit 0 usage. */
1792 if ((off & 2) == 0)
1793 {
1794 Elf_Internal_Rela outrel;
1795 bfd_byte *loc;
1796
1797 off &= ~3;
1798
1799 if (h != NULL)
1800 h->got.offset |= 2;
1801 else
1802 local_got_offsets[r_symndx] |= 2;
1803
1804 /* Clear the target contents of the GOT (just as a
1805 gesture; it's already cleared on allocation): this
1806 relocation is not like the other dynrelocs. */
1807 bfd_put_32 (output_bfd, 0, sgot->contents + off);
1808 bfd_put_32 (output_bfd, 0, sgot->contents + off + 4);
1809
1810 if (srelgot == NULL)
1811 srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
1812 BFD_ASSERT (srelgot != NULL);
1813
1814 if (h != NULL && h->dynindx != -1)
1815 {
1816 outrel.r_info = ELF32_R_INFO (h->dynindx, R_CRIS_DTP);
1817 relocation = 0;
1818 }
1819 else
1820 {
1821 outrel.r_info = ELF32_R_INFO (0, R_CRIS_DTP);
1822
1823 /* NULL if we had an error. */
1824 relocation -= elf_hash_table (info)->tls_sec == NULL
1825 ? 0 : elf_hash_table (info)->tls_sec->vma;
1826 }
1827
1828 outrel.r_offset = (sgot->output_section->vma
1829 + sgot->output_offset
1830 + off);
1831 outrel.r_addend = relocation;
1832 loc = srelgot->contents;
1833 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
1834
1835 /* NULL if we had an error. */
1836 if (srelgot->contents != NULL)
1837 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
1838 }
1839 else
1840 off &= ~3;
1841
1842 relocation = sgot->output_offset + off
1843 + (r_type == R_CRIS_32_GD ? sgot->output_section->vma : 0);
1844 }
1845
1846 /* The GOT-relative offset to the GOT entry is the
1847 relocation, or for R_CRIS_32_GD, the actual address of
1848 the GOT entry. */
1849 break;
1850
75f500d7
HPN		 1851 case R_CRIS_32_IE:
1852 if (info->shared)
1853 {
1854 bfd_set_error (bfd_error_invalid_operation);
1855
1856 /* We've already informed in cris_elf_check_relocs that
1857 this is an error. */
1858 return FALSE;
1859 }
1860 /* Fall through. */
1861
100382c7
HPN		 1862 case R_CRIS_32_GOT_TPREL:
1863 case R_CRIS_16_GOT_TPREL:
1864 if (rel->r_addend != 0)
1865 {
1866 /* We can't do anything for a relocation which is
1867 against a symbol *plus offset*. GOT holds
1868 relocations for symbols. Make this an error; the
1869 compiler isn't allowed to pass us these kinds of
1870 things. */
1871 (*_bfd_error_handler)
1872 (_("%B, section %A: relocation %s with non-zero addend %d"
1873 " against symbol `%s'"),
1874 input_bfd,
1875 input_section,
1876 cris_elf_howto_table[r_type].name,
1877 rel->r_addend,
1878 symname[0] != '\0' ? symname : _("[whose name is lost]"));
1879 bfd_set_error (bfd_error_bad_value);
1880 return FALSE;
1881 }
1882
1883 if (!info->shared && (h == NULL || h->def_regular))
1884 {
1885 /* Known contents of the GOT. */
1886 bfd_vma off;
1887
1888 /* The symbol is defined in the program, so just write
1bc86aea 1889 the -prog_tls_size+known_tpoffset into the GOT. */
100382c7 1890 relocation -= elf_hash_table (info)->tls_sec->vma;
f6f05983 1891 relocation -= elf_hash_table (info)->tls_size;
100382c7
HPN		 1892
1893 if (h != NULL)
1894 off = h->got.offset;
1895 else
1896 off = local_got_offsets[r_symndx];
1897
1898 /* Bit 0 is used to mark whether we've emitted the required
1899 entry (and if needed R_CRIS_32_TPREL reloc). Bit 1
1900 is used similarly for R_CRIS_DTP, see above. */
1901 if ((off & 1) == 0)
1902 {
1903 off &= ~3;
1904
1905 if (h != NULL)
1906 h->got.offset |= 1;
1907 else
1908 local_got_offsets[r_symndx] |= 1;
1909
1910 bfd_put_32 (output_bfd, relocation, sgot->contents + off);
1911 }
1912 else
1913 off &= ~3;
1914
75f500d7
HPN		 1915 relocation = sgot->output_offset + off
1916 + (r_type == R_CRIS_32_IE ? sgot->output_section->vma : 0);
100382c7
HPN		 1917 }
1918 else
1919 {
1920 /* Emit a real relocation. */
1921 bfd_vma off;
1922
1923 if (h != NULL)
1924 off = h->got.offset;
1925 else
1926 off = local_got_offsets[r_symndx];
1927
1928 /* See above re usage of bit 0 and 1. */
1929 if ((off & 1) == 0)
1930 {
1931 Elf_Internal_Rela outrel;
1932 bfd_byte *loc;
1933
1934 off &= ~3;
1935
1936 if (h != NULL)
1937 h->got.offset |= 1;
1938 else
1939 local_got_offsets[r_symndx] |= 1;
1940
1941 if (srelgot == NULL)
1942 srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
1943 BFD_ASSERT (srelgot != NULL);
1944
1945 if (h != NULL && h->dynindx != -1)
1946 {
1947 outrel.r_info = ELF32_R_INFO (h->dynindx, R_CRIS_32_TPREL);
1948 relocation = 0;
1949 }
1950 else
1951 {
1952 outrel.r_info = ELF32_R_INFO (0, R_CRIS_32_TPREL);
1953
1954 /* NULL if we had an error. */
1955 relocation -= elf_hash_table (info)->tls_sec == NULL
1956 ? 0 : elf_hash_table (info)->tls_sec->vma;
1957 }
1958
1959 /* Just "define" the initial contents in some
1960 semi-logical way. */
1961 bfd_put_32 (output_bfd, relocation, sgot->contents + off);
1962
1963 outrel.r_offset = (sgot->output_section->vma
1964 + sgot->output_offset
1965 + off);
1966 outrel.r_addend = relocation;
1967 loc = srelgot->contents;
1968 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
1969 /* NULL if we had an error. */
1970 if (srelgot->contents != NULL)
1971 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
1972 }
1973 else
1974 off &= ~3;
1975
75f500d7
HPN		 1976 relocation = sgot->output_offset + off
1977 + (r_type == R_CRIS_32_IE ? sgot->output_section->vma : 0);
100382c7
HPN		 1978 }
1979
75f500d7
HPN		 1980 /* The GOT-relative offset to the GOT entry is the relocation,
1981 or for R_CRIS_32_GD, the actual address of the GOT entry. */
100382c7
HPN		 1982 break;
1983
1984 case R_CRIS_16_TPREL:
1985 case R_CRIS_32_TPREL:
1986 /* This relocation must only be performed against symbols
1987 defined in an ordinary (non-DSO) object. */
1988 if (info->shared)
1989 {
1990 bfd_set_error (bfd_error_invalid_operation);
1991
1992 /* We've already informed in cris_elf_check_relocs that
1993 this is an error. */
1994 return FALSE;
1995 }
1996
1997 if (h != NULL
1998 && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
34d3d6b9 1999 && !(h->def_regular || ELF_COMMON_DEF_P (h))
100382c7
HPN		 2000 /* If it's undefined, then an error message has already
2001 been emitted. */
2002 && h->root.type != bfd_link_hash_undefined)
2003 {
2004 (*_bfd_error_handler)
2005 (_("%B, section %A: relocation %s is"
2006 " not allowed for symbol: `%s'"
2007 " which is defined outside the program,"
2008 " perhaps a declaration mixup?"),
2009 input_bfd,
2010 input_section,
2011 cris_elf_howto_table[r_type].name,
2012 symname);
2013 bfd_set_error (bfd_error_bad_value);
2014 return FALSE;
2015 }
2016
2017 /* NULL if we had an error. */
2018 relocation -= elf_hash_table (info)->tls_sec == NULL
1bc86aea
HPN		 2019 ? 0
2020 : (elf_hash_table (info)->tls_sec->vma
f6f05983 2021 + elf_hash_table (info)->tls_size);
100382c7
HPN		 2022
2023 /* The TLS-relative offset is the relocation. */
2024 break;
2025
2026 default:
2027 BFD_FAIL ();
2028 return FALSE;
915e5146
HPN		 2029 }
2030
2031 r = cris_final_link_relocate (howto, input_bfd, input_section,
2032 contents, rel, relocation);
2033
2034 if (r != bfd_reloc_ok)
2035 {
2036 const char * msg = (const char *) NULL;
2037
2038 switch (r)
2039 {
2040 case bfd_reloc_overflow:
2041 r = info->callbacks->reloc_overflow
dfeffb9f
L		 2042 (info, (h ? &h->root : NULL), symname, howto->name,
2043 (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
100382c7
HPN		 2044 if (additional_relocation_error_msg_count > 0)
2045 {
2046 additional_relocation_error_msg_count--;
2047 switch (r_type)
2048 {
2049 case R_CRIS_16_GOTPLT:
2050 case R_CRIS_16_GOT:
2051
2052 /* Not just TLS is involved here, so we make
2053 generation and message depend on -fPIC/-fpic
2054 only. */
2055 case R_CRIS_16_GOT_TPREL:
2056 case R_CRIS_16_GOT_GD:
2057 (*_bfd_error_handler)
2058 (_("(too many global variables for -fpic:"
2059 " recompile with -fPIC)"));
2060 break;
2061
2062 case R_CRIS_16_TPREL:
2063 case R_CRIS_16_DTPREL:
2064 (*_bfd_error_handler)
2065 (_("(thread-local data too big for -fpic or"
2066 " -msmall-tls: recompile with -fPIC or"
2067 " -mno-small-tls)"));
2068 break;
2069
2070 /* No known cause for overflow for other relocs. */
2071 default:
2072 break;
2073 }
2074 }
915e5146
HPN		 2075 break;
2076
2077 case bfd_reloc_undefined:
2078 r = info->callbacks->undefined_symbol
dc810e39 2079 (info, symname, input_bfd, input_section, rel->r_offset,
b34976b6 2080 TRUE);
915e5146
HPN		 2081 break;
2082
2083 case bfd_reloc_outofrange:
2084 msg = _("internal error: out of range error");
2085 break;
2086
2087 case bfd_reloc_notsupported:
2088 msg = _("internal error: unsupported relocation error");
2089 break;
2090
2091 case bfd_reloc_dangerous:
2092 msg = _("internal error: dangerous relocation");
2093 break;
2094
2095 default:
2096 msg = _("internal error: unknown error");
2097 break;
2098 }
2099
2100 if (msg)
2101 r = info->callbacks->warning
dc810e39 2102 (info, msg, symname, input_bfd, input_section, rel->r_offset);
915e5146
HPN		 2103
2104 if (! r)
b34976b6 2105 return FALSE;
915e5146
HPN		 2106 }
2107 }
2108
b34976b6 2109 return TRUE;
915e5146
HPN		 2110}
2111\f
2112/* Finish up dynamic symbol handling. We set the contents of various
2113 dynamic sections here. */
2114
b34976b6 2115static bfd_boolean
4dfe6ac6
NC		 2116elf_cris_finish_dynamic_symbol (bfd *output_bfd,
2117 struct bfd_link_info *info,
2118 struct elf_link_hash_entry *h,
2119 Elf_Internal_Sym *sym)
915e5146 2120{
4dfe6ac6 2121 struct elf_cris_link_hash_table * htab;
915e5146 2122 bfd *dynobj;
bac23f82
HPN		 2123
2124 /* Where in the plt entry to put values. */
915e5146
HPN		 2125 int plt_off1 = 2, plt_off2 = 10, plt_off3 = 16;
2126
bac23f82
HPN		 2127 /* What offset to add to the distance to the first PLT entry for the
2128 value at plt_off3. */
2129 int plt_off3_value_bias = 4;
2130
2131 /* Where in the PLT entry the call-dynlink-stub is (happens to be same
2132 for PIC and non-PIC for v32 and pre-v32). */
2133 int plt_stub_offset = 8;
2134 int plt_entry_size = PLT_ENTRY_SIZE;
2135 const bfd_byte *plt_entry = elf_cris_plt_entry;
2136 const bfd_byte *plt_pic_entry = elf_cris_pic_plt_entry;
2137
4dfe6ac6
NC		 2138 htab = elf_cris_hash_table (info);
2139 if (htab == NULL)
2140 return FALSE;
2141
bac23f82
HPN		 2142 /* Adjust the various PLT entry offsets. */
2143 if (bfd_get_mach (output_bfd) == bfd_mach_cris_v32)
2144 {
2145 plt_off2 = 14;
2146 plt_off3 = 20;
2147 plt_off3_value_bias = -2;
2148 plt_stub_offset = 12;
2149 plt_entry_size = PLT_ENTRY_SIZE_V32;
2150 plt_entry = elf_cris_plt_entry_v32;
2151 plt_pic_entry = elf_cris_pic_plt_entry_v32;
2152 }
2153
915e5146
HPN		 2154 dynobj = elf_hash_table (info)->dynobj;
2155
2156 if (h->plt.offset != (bfd_vma) -1)
2157 {
2158 asection *splt;
2159 asection *sgotplt;
2160 asection *sgot;
2161 asection *srela;
2162 bfd_vma got_base;
2163
2164 bfd_vma gotplt_offset
100382c7 2165 = elf_cris_hash_entry (h)->gotplt_offset;
915e5146 2166 Elf_Internal_Rela rela;
947216bf 2167 bfd_byte *loc;
b34976b6 2168 bfd_boolean has_gotplt = gotplt_offset != 0;
915e5146 2169
0bdf8d40
HPN		 2170 /* Get the index in the .rela.plt relocations for the .got.plt
2171 entry that corresponds to this symbol.
2172 We have to count backwards here, and the result is only valid
2173 as an index into .rela.plt. We also have to undo the effect
2174 of the R_CRIS_DTPMOD entry at .got index 3 (offset 12 into
2175 .got.plt) for which gotplt_offset is adjusted, because while
2176 that entry goes into .got.plt, its relocation goes into
2177 .rela.got, not .rela.plt. (It's not PLT-specific; not to be
2178 processed as part of the runtime lazy .rela.plt relocation).
2179 FIXME: There be literal constants here... */
2180 bfd_vma rela_plt_index
4dfe6ac6 2181 = (htab->dtpmod_refcount != 0
0bdf8d40 2182 ? gotplt_offset/4 - 2 - 3 : gotplt_offset/4 - 3);
915e5146
HPN		 2183
2184 /* Get the offset into the .got table of the entry that corresponds
2185 to this function. Note that we embed knowledge that "incoming"
2186 .got goes after .got.plt in the output without padding (pointer
2187 aligned). However, that knowledge is present in several other
c152c796 2188 places too. */
915e5146
HPN		 2189 bfd_vma got_offset
2190 = (has_gotplt
2191 ? gotplt_offset
4dfe6ac6 2192 : h->got.offset + htab->next_gotplt_entry);
915e5146
HPN		 2193
2194 /* This symbol has an entry in the procedure linkage table. Set it
2195 up. */
2196
2197 BFD_ASSERT (h->dynindx != -1);
2198
2199 splt = bfd_get_section_by_name (dynobj, ".plt");
2200 sgot = bfd_get_section_by_name (dynobj, ".got");
2201 sgotplt = bfd_get_section_by_name (dynobj, ".got.plt");
2202 srela = bfd_get_section_by_name (dynobj, ".rela.plt");
2203 BFD_ASSERT (splt != NULL && sgotplt != NULL
2204 && (! has_gotplt || srela != NULL));
2205
2206 got_base = sgotplt->output_section->vma + sgotplt->output_offset;
2207
2208 /* Fill in the entry in the procedure linkage table. */
2209 if (! info->shared)
2210 {
bac23f82
HPN		 2211 memcpy (splt->contents + h->plt.offset, plt_entry,
2212 plt_entry_size);
915e5146
HPN		 2213
2214 /* We need to enter the absolute address of the GOT entry here. */
2215 bfd_put_32 (output_bfd, got_base + got_offset,
2216 splt->contents + h->plt.offset + plt_off1);
2217 }
2218 else
2219 {
bac23f82
HPN		 2220 memcpy (splt->contents + h->plt.offset, plt_pic_entry,
2221 plt_entry_size);
915e5146
HPN		 2222 bfd_put_32 (output_bfd, got_offset,
2223 splt->contents + h->plt.offset + plt_off1);
2224 }
2225
2226 /* Fill in the plt entry and make a relocation, if this is a "real"
2227 PLT entry. */
2228 if (has_gotplt)
2229 {
bac23f82 2230 /* Fill in the offset to the reloc table. */
915e5146 2231 bfd_put_32 (output_bfd,
0bdf8d40 2232 rela_plt_index * sizeof (Elf32_External_Rela),
915e5146
HPN		 2233 splt->contents + h->plt.offset + plt_off2);
2234
2235 /* Fill in the offset to the first PLT entry, where to "jump". */
bac23f82
HPN		 2236 bfd_put_32 (output_bfd,
2237 - (h->plt.offset + plt_off3 + plt_off3_value_bias),
915e5146
HPN		 2238 splt->contents + h->plt.offset + plt_off3);
2239
2240 /* Fill in the entry in the global offset table with the address of
2241 the relocating stub. */
2242 bfd_put_32 (output_bfd,
2243 (splt->output_section->vma
2244 + splt->output_offset
2245 + h->plt.offset
bac23f82 2246 + plt_stub_offset),
915e5146
HPN		 2247 sgotplt->contents + got_offset);
2248
2249 /* Fill in the entry in the .rela.plt section. */
2250 rela.r_offset = (sgotplt->output_section->vma
2251 + sgotplt->output_offset
2252 + got_offset);
2253 rela.r_info = ELF32_R_INFO (h->dynindx, R_CRIS_JUMP_SLOT);
2254 rela.r_addend = 0;
0bdf8d40 2255 loc = srela->contents + rela_plt_index * sizeof (Elf32_External_Rela);
947216bf 2256 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
915e5146
HPN		 2257 }
2258
f5385ebf 2259 if (!h->def_regular)
915e5146
HPN		 2260 {
2261 /* Mark the symbol as undefined, rather than as defined in
2262 the .plt section. Leave the value alone. */
2263 sym->st_shndx = SHN_UNDEF;
2264
2265 /* FIXME: From elf32-sparc.c 2001-02-19 (1.18). I still don't
2266 know whether resetting the value is significant; if it really
2267 is, rather than a quirk or bug in the sparc port, then I
2268 believe we'd see this elsewhere. */
2269 /* If the symbol is weak, we do need to clear the value.
2270 Otherwise, the PLT entry would provide a definition for
2271 the symbol even if the symbol wasn't defined anywhere,
2272 and so the symbol would never be NULL. */
f5385ebf 2273 if (!h->ref_regular_nonweak)
915e5146
HPN		 2274 sym->st_value = 0;
2275 }
2276 }
2277
e4a2175c
HPN		 2278 /* For an ordinary program, we emit .got relocs only for symbols that
2279 are in the dynamic-symbols table and are either defined by the
2280 program or are undefined weak symbols, or are function symbols
2281 where we do not output a PLT: the PLT reloc was output above and all
2282 references to the function symbol are redirected to the PLT. */
4d96d128 2283 if (h->got.offset != (bfd_vma) -1
100382c7 2284 && (elf_cris_hash_entry (h)->reg_got_refcount > 0)
6849c52f
HPN		 2285 && (info->shared
2286 || (h->dynindx != -1
e4a2175c 2287 && h->plt.offset == (bfd_vma) -1
f5385ebf 2288 && !h->def_regular
6849c52f 2289 && h->root.type != bfd_link_hash_undefweak)))
915e5146
HPN		 2290 {
2291 asection *sgot;
2292 asection *srela;
2293 Elf_Internal_Rela rela;
947216bf 2294 bfd_byte *loc;
dc810e39 2295 bfd_byte *where;
915e5146
HPN		 2296
2297 /* This symbol has an entry in the global offset table. Set it up. */
2298
2299 sgot = bfd_get_section_by_name (dynobj, ".got");
2300 srela = bfd_get_section_by_name (dynobj, ".rela.got");
2301 BFD_ASSERT (sgot != NULL && srela != NULL);
2302
2303 rela.r_offset = (sgot->output_section->vma
2304 + sgot->output_offset
dc810e39 2305 + (h->got.offset &~ (bfd_vma) 1));
915e5146
HPN		 2306
2307 /* If this is a static link, or it is a -Bsymbolic link and the
2308 symbol is defined locally or was forced to be local because
2309 of a version file, we just want to emit a RELATIVE reloc.
2310 The entry in the global offset table will already have been
2311 initialized in the relocate_section function. */
dc810e39 2312 where = sgot->contents + (h->got.offset &~ (bfd_vma) 1);
915e5146
HPN		 2313 if (! elf_hash_table (info)->dynamic_sections_created
2314 || (info->shared
2315 && (info->symbolic || h->dynindx == -1)
f5385ebf 2316 && h->def_regular))
915e5146
HPN		 2317 {
2318 rela.r_info = ELF32_R_INFO (0, R_CRIS_RELATIVE);
dc810e39 2319 rela.r_addend = bfd_get_signed_32 (output_bfd, where);
915e5146
HPN		 2320 }
2321 else
2322 {
dc810e39 2323 bfd_put_32 (output_bfd, (bfd_vma) 0, where);
915e5146
HPN		 2324 rela.r_info = ELF32_R_INFO (h->dynindx, R_CRIS_GLOB_DAT);
2325 rela.r_addend = 0;
2326 }
2327
947216bf
AM		 2328 loc = srela->contents;
2329 loc += srela->reloc_count++ * sizeof (Elf32_External_Rela);
2330 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
915e5146
HPN		 2331 }
2332
f5385ebf 2333 if (h->needs_copy)
915e5146
HPN		 2334 {
2335 asection *s;
2336 Elf_Internal_Rela rela;
947216bf 2337 bfd_byte *loc;
915e5146
HPN		 2338
2339 /* This symbol needs a copy reloc. Set it up. */
2340
2341 BFD_ASSERT (h->dynindx != -1
2342 && (h->root.type == bfd_link_hash_defined
2343 || h->root.type == bfd_link_hash_defweak));
2344
2345 s = bfd_get_section_by_name (h->root.u.def.section->owner,
2346 ".rela.bss");
2347 BFD_ASSERT (s != NULL);
2348
2349 rela.r_offset = (h->root.u.def.value
2350 + h->root.u.def.section->output_section->vma
2351 + h->root.u.def.section->output_offset);
2352 rela.r_info = ELF32_R_INFO (h->dynindx, R_CRIS_COPY);
2353 rela.r_addend = 0;
947216bf
AM		 2354 loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela);
2355 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
915e5146
HPN		 2356 }
2357
2358 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */
2359 if (strcmp (h->root.root.string, "_DYNAMIC") == 0
22edb2f1 2360 || h == elf_hash_table (info)->hgot)
915e5146
HPN		 2361 sym->st_shndx = SHN_ABS;
2362
b34976b6 2363 return TRUE;
915e5146
HPN		 2364}
2365\f
100382c7
HPN		 2366/* Finish up the dynamic sections. Do *not* emit relocs here, as their
2367 offsets were changed, as part of -z combreloc handling, from those we
2368 computed. */
915e5146 2369
b34976b6 2370static bfd_boolean
915e5146
HPN		 2371elf_cris_finish_dynamic_sections (output_bfd, info)
2372 bfd *output_bfd;
2373 struct bfd_link_info *info;
2374{
2375 bfd *dynobj;
2376 asection *sgot;
2377 asection *sdyn;
2378
2379 dynobj = elf_hash_table (info)->dynobj;
2380
2381 sgot = bfd_get_section_by_name (dynobj, ".got.plt");
2382 BFD_ASSERT (sgot != NULL);
2383 sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
2384
2385 if (elf_hash_table (info)->dynamic_sections_created)
2386 {
2387 asection *splt;
2388 Elf32_External_Dyn *dyncon, *dynconend;
2389
2390 splt = bfd_get_section_by_name (dynobj, ".plt");
2391 BFD_ASSERT (splt != NULL && sdyn != NULL);
2392
2393 dyncon = (Elf32_External_Dyn *) sdyn->contents;
eea6121a 2394 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
915e5146
HPN		 2395 for (; dyncon < dynconend; dyncon++)
2396 {
2397 Elf_Internal_Dyn dyn;
2398 asection *s;
2399
2400 bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
2401
2402 switch (dyn.d_tag)
2403 {
2404 default:
2405 break;
2406
2407 case DT_PLTGOT:
2408 s = bfd_get_section_by_name (output_bfd, ".got");
2409 BFD_ASSERT (s != NULL);
2410 dyn.d_un.d_ptr = s->vma;
2411 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
2412 break;
2413
2414 case DT_JMPREL:
2415 /* Yes, we *can* have a .plt and no .plt.rela, for instance
2416 if all symbols are found in the .got (not .got.plt). */
2417 s = bfd_get_section_by_name (output_bfd, ".rela.plt");
2418 dyn.d_un.d_ptr = s != NULL ? s->vma : 0;
2419 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
2420 break;
2421
2422 case DT_PLTRELSZ:
2423 s = bfd_get_section_by_name (output_bfd, ".rela.plt");
2424 if (s == NULL)
2425 dyn.d_un.d_val = 0;
915e5146 2426 else
eea6121a 2427 dyn.d_un.d_val = s->size;
915e5146
HPN		 2428 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
2429 break;
2430
2431 case DT_RELASZ:
2432 /* The procedure linkage table relocs (DT_JMPREL) should
2433 not be included in the overall relocs (DT_RELA).
2434 Therefore, we override the DT_RELASZ entry here to
2435 make it not include the JMPREL relocs. Since the
2436 linker script arranges for .rela.plt to follow all
2437 other relocation sections, we don't have to worry
2438 about changing the DT_RELA entry. */
2439 s = bfd_get_section_by_name (output_bfd, ".rela.plt");
2440 if (s != NULL)
eea6121a 2441 dyn.d_un.d_val -= s->size;
915e5146
HPN		 2442 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
2443 break;
2444 }
2445 }
2446
2447 /* Fill in the first entry in the procedure linkage table. */
eea6121a 2448 if (splt->size > 0)
915e5146 2449 {
bac23f82
HPN		 2450 if (bfd_get_mach (output_bfd) == bfd_mach_cris_v32)
2451 {
2452 if (info->shared)
2453 memcpy (splt->contents, elf_cris_pic_plt0_entry_v32,
2454 PLT_ENTRY_SIZE_V32);
2455 else
2456 {
2457 memcpy (splt->contents, elf_cris_plt0_entry_v32,
2458 PLT_ENTRY_SIZE_V32);
2459 bfd_put_32 (output_bfd,
2460 sgot->output_section->vma
2461 + sgot->output_offset + 4,
2462 splt->contents + 4);
2463
2464 elf_section_data (splt->output_section)->this_hdr.sh_entsize
2465 = PLT_ENTRY_SIZE_V32;
2466 }
2467 }
915e5146 2468 else
bac23f82
HPN		 2469 {
2470 if (info->shared)
2471 memcpy (splt->contents, elf_cris_pic_plt0_entry,
2472 PLT_ENTRY_SIZE);
2473 else
2474 {
2475 memcpy (splt->contents, elf_cris_plt0_entry,
2476 PLT_ENTRY_SIZE);
2477 bfd_put_32 (output_bfd,
2478 sgot->output_section->vma
2479 + sgot->output_offset + 4,
2480 splt->contents + 6);
2481 bfd_put_32 (output_bfd,
2482 sgot->output_section->vma
2483 + sgot->output_offset + 8,
2484 splt->contents + 14);
2485
2486 elf_section_data (splt->output_section)->this_hdr.sh_entsize
2487 = PLT_ENTRY_SIZE;
2488 }
915e5146
HPN		 2489 }
2490 }
2491 }
2492
2493 /* Fill in the first three entries in the global offset table. */
eea6121a 2494 if (sgot->size > 0)
915e5146
HPN		 2495 {
2496 if (sdyn == NULL)
2497 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents);
2498 else
2499 bfd_put_32 (output_bfd,
2500 sdyn->output_section->vma + sdyn->output_offset,
2501 sgot->contents);
2502 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 4);
2503 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 8);
2504 }
2505
2506 elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
2507
b34976b6 2508 return TRUE;
06c15ad7
HPN		 2509}
2510\f
2511/* Return the section that should be marked against GC for a given
2512 relocation. */
2513
2514static asection *
07adf181
AM		 2515cris_elf_gc_mark_hook (asection *sec,
2516 struct bfd_link_info *info,
2517 Elf_Internal_Rela *rel,
2518 struct elf_link_hash_entry *h,
2519 Elf_Internal_Sym *sym)
06c15ad7 2520{
100382c7 2521 enum elf_cris_reloc_type r_type = ELF32_R_TYPE (rel->r_info);
06c15ad7 2522 if (h != NULL)
100382c7 2523 switch (r_type)
07adf181
AM		 2524 {
2525 case R_CRIS_GNU_VTINHERIT:
2526 case R_CRIS_GNU_VTENTRY:
2527 return NULL;
100382c7
HPN		 2528
2529 default:
2530 break;
07adf181 2531 }
06c15ad7 2532
07adf181 2533 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
06c15ad7
HPN		 2534}
2535
2536/* Update the got entry reference counts for the section being removed. */
2537
b34976b6 2538static bfd_boolean
07adf181
AM		 2539cris_elf_gc_sweep_hook (bfd *abfd,
2540 struct bfd_link_info *info,
2541 asection *sec,
2542 const Elf_Internal_Rela *relocs)
06c15ad7 2543{
4dfe6ac6 2544 struct elf_cris_link_hash_table * htab;
915e5146
HPN		 2545 Elf_Internal_Shdr *symtab_hdr;
2546 struct elf_link_hash_entry **sym_hashes;
2547 bfd_signed_vma *local_got_refcounts;
2548 const Elf_Internal_Rela *rel, *relend;
915e5146
HPN		 2549 bfd *dynobj;
2550 asection *sgot;
2551 asection *srelgot;
2552
7dda2462
TG		 2553 if (info->relocatable)
2554 return TRUE;
2555
915e5146
HPN		 2556 dynobj = elf_hash_table (info)->dynobj;
2557 if (dynobj == NULL)
b34976b6 2558 return TRUE;
915e5146 2559
4dfe6ac6
NC		 2560 htab = elf_cris_hash_table (info);
2561 if (htab == NULL)
2562 return FALSE;
2563
babfd660
KH		 2564 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
2565 sym_hashes = elf_sym_hashes (abfd);
2566 local_got_refcounts = elf_local_got_refcounts (abfd);
2567
915e5146
HPN		 2568 sgot = bfd_get_section_by_name (dynobj, ".got");
2569 srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
2570
2571 relend = relocs + sec->reloc_count;
2572 for (rel = relocs; rel < relend; rel++)
2573 {
babfd660 2574 unsigned long r_symndx;
3eb128b2 2575 struct elf_link_hash_entry *h = NULL;
100382c7
HPN		 2576 bfd_signed_vma got_element_size = 4;
2577 bfd_signed_vma *specific_refcount = NULL;
2578 enum elf_cris_reloc_type r_type;
3eb128b2
AM		 2579
2580 r_symndx = ELF32_R_SYM (rel->r_info);
2581 if (r_symndx >= symtab_hdr->sh_info)
2582 {
2583 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
2584 while (h->root.type == bfd_link_hash_indirect
2585 || h->root.type == bfd_link_hash_warning)
2586 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2587 }
babfd660 2588
100382c7
HPN		 2589 r_type = ELF32_R_TYPE (rel->r_info);
2590 switch (r_type)
2591 {
2592 case R_CRIS_32_GOT:
2593 case R_CRIS_16_GOT:
2594 case R_CRIS_16_GOTPLT:
2595 case R_CRIS_32_GOTPLT:
2596 specific_refcount = h != NULL
2597 ? &((struct elf_cris_link_hash_entry *) h)->reg_got_refcount
2598 : &local_got_refcounts[LGOT_REG_NDX (r_symndx)];
2599 break;
2600
2601 case R_CRIS_32_GD:
2602 case R_CRIS_32_GOT_GD:
2603 case R_CRIS_16_GOT_GD:
2604 got_element_size = 8;
2605 specific_refcount = h != NULL
2606 ? &((struct elf_cris_link_hash_entry *) h)->dtp_refcount
2607 : &local_got_refcounts[LGOT_DTP_NDX (r_symndx)];
2608 break;
2609
75f500d7 2610 case R_CRIS_32_IE:
100382c7
HPN		 2611 case R_CRIS_16_GOT_TPREL:
2612 case R_CRIS_32_GOT_TPREL:
2613 specific_refcount = h != NULL
2614 ? &((struct elf_cris_link_hash_entry *) h)->tprel_refcount
2615 : &local_got_refcounts[LGOT_TPREL_NDX (r_symndx)];
2616 break;
2617
2618 default:
2619 break;
2620 }
2621
2622 switch (r_type)
915e5146 2623 {
75f500d7 2624 case R_CRIS_32_IE:
100382c7
HPN		 2625 case R_CRIS_32_GD:
2626 case R_CRIS_16_GOT_TPREL:
2627 case R_CRIS_32_GOT_TPREL:
2628 case R_CRIS_32_GOT_GD:
2629 case R_CRIS_16_GOT_GD:
915e5146
HPN		 2630 case R_CRIS_16_GOT:
2631 case R_CRIS_32_GOT:
3eb128b2 2632 if (h != NULL)
915e5146 2633 {
100382c7
HPN		 2634 /* If the counters are 0 when we got here, we've
2635 miscounted somehow somewhere, an internal error. */
2636 BFD_ASSERT (h->got.refcount > 0);
2637 --h->got.refcount;
2638
2639 BFD_ASSERT (*specific_refcount > 0);
2640 --*specific_refcount;
2641 if (*specific_refcount == 0)
915e5146 2642 {
100382c7
HPN		 2643 /* We don't need the .got entry any more. */
2644 sgot->size -= got_element_size;
2645 srelgot->size -= sizeof (Elf32_External_Rela);
915e5146
HPN		 2646 }
2647 break;
2648 }
2649
2650 local_got_reloc:
2651 if (local_got_refcounts != NULL)
2652 {
100382c7
HPN		 2653 /* If the counters are 0 when we got here, we've
2654 miscounted somehow somewhere, an internal error. */
2655 BFD_ASSERT (local_got_refcounts[r_symndx] > 0);
2656 --local_got_refcounts[r_symndx];
2657
2658 BFD_ASSERT (*specific_refcount > 0);
2659 --*specific_refcount;
2660 if (*specific_refcount == 0)
915e5146 2661 {
100382c7
HPN		 2662 /* We don't need the .got entry any more. */
2663 sgot->size -= got_element_size;
2664 if (info->shared)
2665 srelgot->size -= sizeof (Elf32_External_Rela);
915e5146
HPN		 2666 }
2667 }
2668 break;
2669
2670 case R_CRIS_16_GOTPLT:
2671 case R_CRIS_32_GOTPLT:
2672 /* For local symbols, treat these like GOT relocs. */
3eb128b2 2673 if (h == NULL)
915e5146 2674 goto local_got_reloc;
e4a2175c 2675 /* Fall through. */
3eb128b2 2676
915e5146
HPN		 2677 case R_CRIS_32_PLT_GOTREL:
2678 /* FIXME: We don't garbage-collect away the .got section. */
2679 if (local_got_refcounts != NULL)
2680 local_got_refcounts[-1]--;
2681 /* Fall through. */
3eb128b2 2682
915e5146
HPN		 2683 case R_CRIS_8_PCREL:
2684 case R_CRIS_16_PCREL:
2685 case R_CRIS_32_PCREL:
2686 case R_CRIS_32_PLT_PCREL:
3eb128b2 2687 if (h != NULL)
915e5146 2688 {
0a4787a0
HPN		 2689 if (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2690 && h->plt.refcount > 0)
915e5146
HPN		 2691 --h->plt.refcount;
2692 }
2693 break;
2694
100382c7 2695 case R_CRIS_32_DTPREL:
6718f446
HPN		 2696 /* This'd be a .dtpreld entry in e.g. debug info. */
2697 if ((sec->flags & SEC_ALLOC) == 0)
2698 break;
2699 /* Fall through. */
100382c7 2700 case R_CRIS_16_DTPREL:
4dfe6ac6
NC		 2701 htab->dtpmod_refcount--;
2702 if (htab->dtpmod_refcount == 0)
2703 htab->next_gotplt_entry -= 8;
100382c7
HPN		 2704 BFD_ASSERT (local_got_refcounts != NULL);
2705 local_got_refcounts[-1]--;
2706 break;
2707
915e5146
HPN		 2708 default:
2709 break;
2710 }
2711 }
2712
b34976b6 2713 return TRUE;
06c15ad7
HPN		 2714}
2715
5d5a918a
HPN		 2716/* The elf_backend_plt_sym_val hook function. */
2717
2718static bfd_vma
2719cris_elf_plt_sym_val (bfd_vma i, const asection *plt,
2720 const arelent *rel ATTRIBUTE_UNUSED)
2721{
2722 bfd_size_type plt_entry_size;
2723
2724 plt_entry_size
2725 = (bfd_get_mach (plt->owner) == bfd_mach_cris_v32
2726 ? PLT_ENTRY_SIZE_V32 : PLT_ENTRY_SIZE);
2727
2728 return plt->vma + (i + 1) * plt_entry_size;
2729}
2730
915e5146
HPN		 2731/* Make sure we emit a GOT entry if the symbol was supposed to have a PLT
2732 entry but we found we will not create any. Called when we find we will
4d96d128
HPN		 2733 not have any PLT for this symbol, by for example
2734 elf_cris_adjust_dynamic_symbol when we're doing a proper dynamic link,
2735 or elf_cris_size_dynamic_sections if no dynamic sections will be
2736 created (we're only linking static objects). */
915e5146 2737
b34976b6 2738static bfd_boolean
915e5146
HPN		 2739elf_cris_adjust_gotplt_to_got (h, p)
2740 struct elf_cris_link_hash_entry *h;
2741 PTR p;
2742{
2743 struct bfd_link_info *info = (struct bfd_link_info *) p;
915e5146 2744
e92d460e
AM		 2745 if (h->root.root.type == bfd_link_hash_warning)
2746 h = (struct elf_cris_link_hash_entry *) h->root.root.u.i.link;
2747
915e5146
HPN		 2748 /* If nobody wanted a GOTPLT with this symbol, we're done. */
2749 if (h->gotplt_refcount <= 0)
b34976b6 2750 return TRUE;
915e5146 2751
100382c7 2752 if (h->reg_got_refcount > 0)
915e5146 2753 {
100382c7
HPN		 2754 /* There's a GOT entry for this symbol. Just adjust the refcounts.
2755 Probably not necessary at this stage, but keeping them accurate
915e5146
HPN		 2756 helps avoiding surprises later. */
2757 h->root.got.refcount += h->gotplt_refcount;
100382c7 2758 h->reg_got_refcount += h->gotplt_refcount;
5e0f5ae3 2759 h->gotplt_refcount = 0;
915e5146
HPN		 2760 }
2761 else
2762 {
4d96d128 2763 /* No GOT entry for this symbol. We need to create one. */
8d1d654f
AM		 2764 bfd *dynobj = elf_hash_table (info)->dynobj;
2765 asection *sgot;
2766 asection *srelgot;
2767
2768 BFD_ASSERT (dynobj != NULL);
2769 sgot = bfd_get_section_by_name (dynobj, ".got");
2770 srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
915e5146 2771
100382c7
HPN		 2772 /* Put accurate refcounts there. */
2773 h->root.got.refcount += h->gotplt_refcount;
2774 h->reg_got_refcount = h->gotplt_refcount;
915e5146 2775
5e0f5ae3 2776 h->gotplt_refcount = 0;
915e5146 2777
44aa49bb
HPN		 2778 /* We always have a .got and a .rela.got section if there were
2779 GOTPLT relocs in input. */
2780 BFD_ASSERT (sgot != NULL && srelgot != NULL);
915e5146
HPN		 2781
2782 /* Allocate space in the .got section. */
eea6121a 2783 sgot->size += 4;
915e5146
HPN		 2784
2785 /* Allocate relocation space. */
eea6121a 2786 srelgot->size += sizeof (Elf32_External_Rela);
915e5146
HPN		 2787 }
2788
b34976b6 2789 return TRUE;
915e5146
HPN		 2790}
2791
2792/* Try to fold PLT entries with GOT entries. There are two cases when we
2793 want to do this:
2794
2795 - When all PLT references are GOTPLT references, and there are GOT
e4a2175c
HPN		 2796 references, and this is not the executable. We don't have to
2797 generate a PLT at all.
915e5146 2798
e4a2175c
HPN		 2799 - When there are both (ordinary) PLT references and GOT references,
2800 and this isn't the executable.
915e5146 2801 We want to make the PLT reference use the ordinary GOT entry rather
e4a2175c
HPN		 2802 than R_CRIS_JUMP_SLOT, a run-time dynamically resolved GOTPLT entry,
2803 since the GOT entry will have to be resolved at startup anyway.
915e5146
HPN		 2804
2805 Though the latter case is handled when room for the PLT is allocated,
2806 not here.
2807
e4a2175c
HPN		 2808 By folding into the GOT, we may need a round-trip to a PLT in the
2809 executable for calls, a loss in performance. Still, losing a
2810 reloc is a win in size and at least in start-up time.
2811
915e5146
HPN		 2812 Note that this function is called before symbols are forced local by
2813 version scripts. The differing cases are handled by
2814 elf_cris_hide_symbol. */
2815
b34976b6 2816static bfd_boolean
915e5146
HPN		 2817elf_cris_try_fold_plt_to_got (h, p)
2818 struct elf_cris_link_hash_entry *h;
2819 PTR p;
2820{
2821 struct bfd_link_info *info = (struct bfd_link_info *) p;
2822
2823 /* If there are no GOT references for this symbol, we can't fold any
2824 other reference so there's nothing to do. Likewise if there are no
2825 PLT references; GOTPLT references included. */
2826 if (h->root.got.refcount <= 0 || h->root.plt.refcount <= 0)
b34976b6 2827 return TRUE;
915e5146
HPN		 2828
2829 /* GOTPLT relocs are supposed to be included into the PLT refcount. */
2830 BFD_ASSERT (h->gotplt_refcount <= h->root.plt.refcount);
2831
2832 if (h->gotplt_refcount == h->root.plt.refcount)
2833 {
4d96d128 2834 /* The only PLT references are GOTPLT references, and there are GOT
915e5146
HPN		 2835 references. Convert PLT to GOT references. */
2836 if (! elf_cris_adjust_gotplt_to_got (h, info))
b34976b6 2837 return FALSE;
915e5146
HPN		 2838
2839 /* Clear the PLT references, so no PLT will be created. */
2840 h->root.plt.offset = (bfd_vma) -1;
2841 }
2842
b34976b6 2843 return TRUE;
915e5146
HPN		 2844}
2845
2846/* Our own version of hide_symbol, so that we can adjust a GOTPLT reloc
2847 to use a GOT entry (and create one) rather than requiring a GOTPLT
2848 entry. */
2849
2850static void
e5094212 2851elf_cris_hide_symbol (info, h, force_local)
915e5146
HPN		 2852 struct bfd_link_info *info;
2853 struct elf_link_hash_entry *h;
b34976b6 2854 bfd_boolean force_local;
915e5146
HPN		 2855{
2856 elf_cris_adjust_gotplt_to_got ((struct elf_cris_link_hash_entry *) h, info);
2857
e5094212 2858 _bfd_elf_link_hash_hide_symbol (info, h, force_local);
915e5146
HPN		 2859}
2860
2861/* Adjust a symbol defined by a dynamic object and referenced by a
2862 regular object. The current definition is in some section of the
2863 dynamic object, but we're not including those sections. We have to
2864 change the definition to something the rest of the link can
2865 understand. */
2866
b34976b6 2867static bfd_boolean
4dfe6ac6
NC		 2868elf_cris_adjust_dynamic_symbol (struct bfd_link_info *info,
2869 struct elf_link_hash_entry *h)
915e5146 2870{
4dfe6ac6 2871 struct elf_cris_link_hash_table * htab;
915e5146
HPN		 2872 bfd *dynobj;
2873 asection *s;
bac23f82 2874 bfd_size_type plt_entry_size;
915e5146 2875
4dfe6ac6
NC		 2876 htab = elf_cris_hash_table (info);
2877 if (htab == NULL)
2878 return FALSE;
2879
915e5146
HPN		 2880 dynobj = elf_hash_table (info)->dynobj;
2881
2882 /* Make sure we know what is going on here. */
2883 BFD_ASSERT (dynobj != NULL
f5385ebf 2884 && (h->needs_plt
f6e332e6 2885 || h->u.weakdef != NULL
f5385ebf
AM		 2886 || (h->def_dynamic
2887 && h->ref_regular
2888 && !h->def_regular)));
915e5146 2889
bac23f82
HPN		 2890 plt_entry_size
2891 = (bfd_get_mach (dynobj) == bfd_mach_cris_v32
2892 ? PLT_ENTRY_SIZE_V32 : PLT_ENTRY_SIZE);
2893
915e5146
HPN		 2894 /* If this is a function, put it in the procedure linkage table. We
2895 will fill in the contents of the procedure linkage table later,
2896 when we know the address of the .got section. */
2897 if (h->type == STT_FUNC
f5385ebf 2898 || h->needs_plt)
915e5146 2899 {
6849c52f
HPN		 2900 /* If we link a program (not a DSO), we'll get rid of unnecessary
2901 PLT entries; we point to the actual symbols -- even for pic
2902 relocs, because a program built with -fpic should have the same
2903 result as one built without -fpic, specifically considering weak
2904 symbols.
2905 FIXME: m68k and i386 differ here, for unclear reasons. */
915e5146 2906 if (! info->shared
f5385ebf 2907 && !h->def_dynamic)
915e5146
HPN		 2908 {
2909 /* This case can occur if we saw a PLT reloc in an input file,
6849c52f
HPN		 2910 but the symbol was not defined by a dynamic object. In such
2911 a case, we don't actually need to build a procedure linkage
2912 table, and we can just do an absolute or PC reloc instead, or
4d96d128 2913 change a .got.plt index to a .got index for GOTPLT relocs. */
f5385ebf
AM		 2914 BFD_ASSERT (h->needs_plt);
2915 h->needs_plt = 0;
915e5146 2916 h->plt.offset = (bfd_vma) -1;
915e5146
HPN		 2917 return
2918 elf_cris_adjust_gotplt_to_got ((struct
2919 elf_cris_link_hash_entry *) h,
2920 info);
2921 }
2922
e4a2175c
HPN		 2923 /* If we had a R_CRIS_GLOB_DAT that didn't have to point to a PLT;
2924 where a pointer-equivalent symbol was unimportant (i.e. more
2925 like R_CRIS_JUMP_SLOT after symbol evaluation) we could get rid
2926 of the PLT. We can't for the executable, because the GOT
2927 entries will point to the PLT there (and be constant). */
2928 if (info->shared
2929 && !elf_cris_try_fold_plt_to_got ((struct elf_cris_link_hash_entry*)
2930 h, info))
b34976b6 2931 return FALSE;
915e5146
HPN		 2932
2933 /* GC or folding may have rendered this entry unused. */
2934 if (h->plt.refcount <= 0)
2935 {
f5385ebf 2936 h->needs_plt = 0;
915e5146 2937 h->plt.offset = (bfd_vma) -1;
b34976b6 2938 return TRUE;
915e5146
HPN		 2939 }
2940
2941 /* Make sure this symbol is output as a dynamic symbol. */
2942 if (h->dynindx == -1)
2943 {
c152c796 2944 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 2945 return FALSE;
915e5146
HPN		 2946 }
2947
2948 s = bfd_get_section_by_name (dynobj, ".plt");
2949 BFD_ASSERT (s != NULL);
2950
2951 /* If this is the first .plt entry, make room for the special
2952 first entry. */
eea6121a 2953 if (s->size == 0)
bac23f82 2954 s->size += plt_entry_size;
915e5146
HPN		 2955
2956 /* If this symbol is not defined in a regular file, and we are
2957 not generating a shared library, then set the symbol to this
6849c52f 2958 location in the .plt. */
915e5146 2959 if (!info->shared
f5385ebf 2960 && !h->def_regular)
915e5146
HPN		 2961 {
2962 h->root.u.def.section = s;
eea6121a 2963 h->root.u.def.value = s->size;
915e5146
HPN		 2964 }
2965
4d96d128
HPN		 2966 /* If there's already a GOT entry, use that, not a .got.plt. A
2967 GOT field still has a reference count when we get here; it's
e4a2175c
HPN		 2968 not yet changed to an offset. We can't do this for an
2969 executable, because then the reloc associated with the PLT
2970 would get a non-PLT reloc pointing to the PLT. FIXME: Move
2971 this to elf_cris_try_fold_plt_to_got. */
2972 if (info->shared && h->got.refcount > 0)
915e5146
HPN		 2973 {
2974 h->got.refcount += h->plt.refcount;
2975
2976 /* Mark the PLT offset to use the GOT entry by setting the low
2977 bit in the plt offset; it is always a multiple of
bac23f82
HPN		 2978 plt_entry_size (which is at least a multiple of 2). */
2979 BFD_ASSERT ((s->size % plt_entry_size) == 0);
915e5146
HPN		 2980
2981 /* Change the PLT refcount to an offset. */
eea6121a 2982 h->plt.offset = s->size;
915e5146
HPN		 2983
2984 /* By not setting gotplt_offset (i.e. it remains at 0), we signal
2985 that the got entry should be used instead. */
2986 BFD_ASSERT (((struct elf_cris_link_hash_entry *)
2987 h)->gotplt_offset == 0);
2988
2989 /* Make room for this entry. */
bac23f82 2990 s->size += plt_entry_size;
915e5146 2991
b34976b6 2992 return TRUE;
915e5146
HPN		 2993 }
2994
2995 /* No GOT reference for this symbol; prepare for an ordinary PLT. */
eea6121a 2996 h->plt.offset = s->size;
915e5146
HPN		 2997
2998 /* Make room for this entry. */
bac23f82 2999 s->size += plt_entry_size;
915e5146
HPN		 3000
3001 /* We also need to make an entry in the .got.plt section, which
3002 will be placed in the .got section by the linker script. */
3003 ((struct elf_cris_link_hash_entry *) h)->gotplt_offset
4dfe6ac6
NC		 3004 = htab->next_gotplt_entry;
3005 htab->next_gotplt_entry += 4;
915e5146
HPN		 3006
3007 s = bfd_get_section_by_name (dynobj, ".got.plt");
3008 BFD_ASSERT (s != NULL);
eea6121a 3009 s->size += 4;
915e5146
HPN		 3010
3011 /* We also need to make an entry in the .rela.plt section. */
3012
3013 s = bfd_get_section_by_name (dynobj, ".rela.plt");
3014 BFD_ASSERT (s != NULL);
eea6121a 3015 s->size += sizeof (Elf32_External_Rela);
915e5146 3016
b34976b6 3017 return TRUE;
915e5146
HPN		 3018 }
3019
3020 /* Reinitialize the plt offset now that it is not used as a reference
3021 count any more. */
3022 h->plt.offset = (bfd_vma) -1;
3023
3024 /* If this is a weak symbol, and there is a real definition, the
3025 processor independent code will have arranged for us to see the
3026 real definition first, and we can just use the same value. */
f6e332e6 3027 if (h->u.weakdef != NULL)
915e5146 3028 {
f6e332e6
AM		 3029 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
3030 || h->u.weakdef->root.type == bfd_link_hash_defweak);
3031 h->root.u.def.section = h->u.weakdef->root.u.def.section;
3032 h->root.u.def.value = h->u.weakdef->root.u.def.value;
b34976b6 3033 return TRUE;
915e5146
HPN		 3034 }
3035
3036 /* This is a reference to a symbol defined by a dynamic object which
3037 is not a function. */
3038
3039 /* If we are creating a shared library, we must presume that the
3040 only references to the symbol are via the global offset table.
3041 For such cases we need not do anything here; the relocations will
3042 be handled correctly by relocate_section. */
3043 if (info->shared)
b34976b6 3044 return TRUE;
915e5146
HPN		 3045
3046 /* If there are no references to this symbol that do not use the
3047 GOT, we don't need to generate a copy reloc. */
f5385ebf 3048 if (!h->non_got_ref)
b34976b6 3049 return TRUE;
915e5146 3050
909272ee
AM		 3051 if (h->size == 0)
3052 {
3053 (*_bfd_error_handler) (_("dynamic variable `%s' is zero size"),
3054 h->root.root.string);
3055 return TRUE;
3056 }
3057
915e5146
HPN		 3058 /* We must allocate the symbol in our .dynbss section, which will
3059 become part of the .bss section of the executable. There will be
3060 an entry for this symbol in the .dynsym section. The dynamic
3061 object will contain position independent code, so all references
3062 from the dynamic object to this symbol will go through the global
3063 offset table. The dynamic linker will use the .dynsym entry to
3064 determine the address it must put in the global offset table, so
3065 both the dynamic object and the regular object will refer to the
3066 same memory location for the variable. */
3067
3068 s = bfd_get_section_by_name (dynobj, ".dynbss");
3069 BFD_ASSERT (s != NULL);
3070
3071 /* We must generate a R_CRIS_COPY reloc to tell the dynamic linker to
3072 copy the initial value out of the dynamic object and into the
3073 runtime process image. We need to remember the offset into the
3074 .rela.bss section we are going to use. */
3075 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
3076 {
3077 asection *srel;
3078
3079 srel = bfd_get_section_by_name (dynobj, ".rela.bss");
3080 BFD_ASSERT (srel != NULL);
eea6121a 3081 srel->size += sizeof (Elf32_External_Rela);
f5385ebf 3082 h->needs_copy = 1;
915e5146
HPN		 3083 }
3084
027297b7 3085 return _bfd_elf_adjust_dynamic_copy (h, s);
915e5146
HPN		 3086}
3087
237bc7f0
HPN		 3088/* Adjust our "subclass" elements for an indirect symbol. */
3089
3090static void
3091elf_cris_copy_indirect_symbol (struct bfd_link_info *info,
3092 struct elf_link_hash_entry *dir,
3093 struct elf_link_hash_entry *ind)
3094{
3095 struct elf_cris_link_hash_entry *edir, *eind;
3096
3097 edir = (struct elf_cris_link_hash_entry *) dir;
3098 eind = (struct elf_cris_link_hash_entry *) ind;
3099
867ea5fd
HPN		 3100 /* Only indirect symbols are replaced; we're not interested in
3101 updating any of EIND's fields for other symbols. */
3102 if (eind->root.root.type != bfd_link_hash_indirect)
451ffe63
HPN		 3103 {
3104 /* Still, we need to copy flags for e.g. weak definitions. */
3105 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
3106 return;
3107 }
867ea5fd 3108
237bc7f0
HPN		 3109 BFD_ASSERT (edir->pcrel_relocs_copied == NULL);
3110 BFD_ASSERT (edir->gotplt_offset == 0 || eind->gotplt_offset == 0);
3111
3112#define XMOVOPZ(F, OP, Z) edir->F OP eind->F; eind->F = Z
3113#define XMOVE(F) XMOVOPZ (F, +=, 0)
3114 XMOVOPZ (pcrel_relocs_copied, =, NULL);
3115 XMOVE (gotplt_refcount);
3116 XMOVE (gotplt_offset);
3117 XMOVE (reg_got_refcount);
3118 XMOVE (tprel_refcount);
3119 XMOVE (dtp_refcount);
3120#undef XMOVE
3121#undef XMOVOPZ
3122
3123 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
3124}
3125
915e5146 3126/* Look through the relocs for a section during the first phase. */
a7c10850 3127
b34976b6 3128static bfd_boolean
4dfe6ac6
NC		 3129cris_elf_check_relocs (bfd *abfd,
3130 struct bfd_link_info *info,
3131 asection *sec,
3132 const Elf_Internal_Rela *relocs)
06c15ad7 3133{
4dfe6ac6 3134 struct elf_cris_link_hash_table * htab;
915e5146 3135 bfd *dynobj;
06c15ad7 3136 Elf_Internal_Shdr *symtab_hdr;
5582a088 3137 struct elf_link_hash_entry **sym_hashes;
915e5146 3138 bfd_signed_vma *local_got_refcounts;
06c15ad7
HPN		 3139 const Elf_Internal_Rela *rel;
3140 const Elf_Internal_Rela *rel_end;
915e5146
HPN		 3141 asection *sgot;
3142 asection *srelgot;
3143 asection *sreloc;
a7c10850 3144
1049f94e 3145 if (info->relocatable)
b34976b6 3146 return TRUE;
a7c10850 3147
4dfe6ac6
NC		 3148 htab = elf_cris_hash_table (info);
3149 if (htab == NULL)
3150 return FALSE;
3151
915e5146 3152 dynobj = elf_hash_table (info)->dynobj;
06c15ad7
HPN		 3153 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
3154 sym_hashes = elf_sym_hashes (abfd);
915e5146
HPN		 3155 local_got_refcounts = elf_local_got_refcounts (abfd);
3156
3157 sgot = NULL;
3158 srelgot = NULL;
3159 sreloc = NULL;
3160
06c15ad7
HPN		 3161 rel_end = relocs + sec->reloc_count;
3162 for (rel = relocs; rel < rel_end; rel++)
3163 {
3164 struct elf_link_hash_entry *h;
3165 unsigned long r_symndx;
915e5146 3166 enum elf_cris_reloc_type r_type;
100382c7
HPN		 3167 bfd_signed_vma got_element_size = 4;
3168 unsigned long r_symndx_lgot = INT_MAX;
a7c10850 3169
06c15ad7
HPN		 3170 r_symndx = ELF32_R_SYM (rel->r_info);
3171 if (r_symndx < symtab_hdr->sh_info)
100382c7
HPN		 3172 {
3173 h = NULL;
3174 r_symndx_lgot = LGOT_REG_NDX (r_symndx);
3175 }
06c15ad7 3176 else
973a3492
L		 3177 {
3178 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
3179 while (h->root.type == bfd_link_hash_indirect
3180 || h->root.type == bfd_link_hash_warning)
3181 h = (struct elf_link_hash_entry *) h->root.u.i.link;
3182 }
a7c10850 3183
915e5146
HPN		 3184 r_type = ELF32_R_TYPE (rel->r_info);
3185
3186 /* Some relocs require linker-created sections; we need to hang them
3187 on the first input bfd we found that contained dynamic relocs. */
3188 switch (r_type)
3189 {
100382c7 3190 case R_CRIS_32_DTPREL:
6718f446
HPN		 3191 if ((sec->flags & SEC_ALLOC) == 0)
3192 /* This'd be a .dtpreld entry in e.g. debug info. We have
3193 several different switch statements below, but none of
3194 that is needed; we need no preparations for resolving
3195 R_CRIS_32_DTPREL into a non-allocated section (debug
3196 info), so let's just move on to the next
3197 relocation. */
3198 continue;
3199 /* Fall through. */
3200 case R_CRIS_16_DTPREL:
100382c7
HPN		 3201 /* The first .got.plt entry is right after the R_CRIS_DTPMOD
3202 entry at index 3. */
4dfe6ac6
NC		 3203 if (htab->dtpmod_refcount == 0)
3204 htab->next_gotplt_entry += 8;
3205
3206 htab->dtpmod_refcount++;
100382c7
HPN		 3207 /* Fall through. */
3208
75f500d7 3209 case R_CRIS_32_IE:
100382c7
HPN		 3210 case R_CRIS_32_GD:
3211 case R_CRIS_16_GOT_GD:
3212 case R_CRIS_32_GOT_GD:
3213 case R_CRIS_32_GOT_TPREL:
3214 case R_CRIS_16_GOT_TPREL:
915e5146
HPN		 3215 case R_CRIS_16_GOT:
3216 case R_CRIS_32_GOT:
3217 case R_CRIS_32_GOTREL:
3218 case R_CRIS_32_PLT_GOTREL:
3219 case R_CRIS_32_PLT_PCREL:
3220 case R_CRIS_16_GOTPLT:
3221 case R_CRIS_32_GOTPLT:
3222 if (dynobj == NULL)
3223 {
3224 elf_hash_table (info)->dynobj = dynobj = abfd;
3225
bac23f82
HPN		 3226 /* We could handle this if we can get a handle on the
3227 output bfd in elf_cris_adjust_dynamic_symbol. Failing
3228 that, we must insist on dynobj being a specific mach. */
3229 if (bfd_get_mach (dynobj) == bfd_mach_cris_v10_v32)
3230 {
3231 (*_bfd_error_handler)
3232 (_("%B, section %A:\n v10/v32 compatible object %s"
3233 " must not contain a PIC relocation"),
3234 abfd, sec);
3235 return FALSE;
3236 }
3237
915e5146
HPN		 3238 /* Create the .got section, so we can assume it's always
3239 present whenever there's a dynobj. */
3240 if (!_bfd_elf_create_got_section (dynobj, info))
b34976b6 3241 return FALSE;
915e5146 3242 }
100382c7
HPN		 3243
3244 if (sgot == NULL)
3245 sgot = bfd_get_section_by_name (dynobj, ".got");
3246
3247 if (local_got_refcounts == NULL)
3248 {
3249 bfd_size_type amt;
3250
3251 /* We use index local_got_refcounts[-1] to count all
3252 GOT-relative relocations that do not have explicit
3253 GOT entries. */
3254 amt = LGOT_ALLOC_NELTS_FOR (symtab_hdr->sh_info) + 1;
3255 amt *= sizeof (bfd_signed_vma);
3256 local_got_refcounts = ((bfd_signed_vma *) bfd_zalloc (abfd, amt));
3257 if (local_got_refcounts == NULL)
3258 return FALSE;
3259
3260 local_got_refcounts++;
3261 elf_local_got_refcounts (abfd) = local_got_refcounts;
3262 }
915e5146
HPN		 3263 break;
3264
3265 default:
3266 break;
3267 }
3268
3269 /* Some relocs require a global offset table (but perhaps not a
3270 specific GOT entry). */
4d96d128 3271 switch (r_type)
915e5146 3272 {
100382c7
HPN		 3273 case R_CRIS_16_DTPREL:
3274 case R_CRIS_32_DTPREL:
3275 /* Not requesting .got.rela for an executable: the contents
3276 of the first entry is constant there. For a shared
3277 library, we need .got.rela for the R_CRIS_DTPMOD
3278 relocation at index 3. */
3279 if (!info->shared)
3280 break;
3281 /* Fall through. */
3282
75f500d7 3283 case R_CRIS_32_IE:
100382c7
HPN		 3284 case R_CRIS_32_GD:
3285 case R_CRIS_16_GOT_GD:
3286 case R_CRIS_32_GOT_GD:
3287 case R_CRIS_32_GOT_TPREL:
3288 case R_CRIS_16_GOT_TPREL:
3289 /* Fall through. */
3290
44aa49bb
HPN		 3291 /* For R_CRIS_16_GOTPLT and R_CRIS_32_GOTPLT, we need a GOT
3292 entry only for local symbols. Unfortunately, we don't know
3293 until later on if there's a version script that forces the
3294 symbol local. We must have the .rela.got section in place
3295 before we know if the symbol looks global now, so we need
3296 to treat the reloc just like for R_CRIS_16_GOT and
3297 R_CRIS_32_GOT. */
3298 case R_CRIS_16_GOTPLT:
3299 case R_CRIS_32_GOTPLT:
915e5146
HPN		 3300 case R_CRIS_16_GOT:
3301 case R_CRIS_32_GOT:
44aa49bb
HPN		 3302 if (srelgot == NULL
3303 && (h != NULL || info->shared))
3304 {
3305 srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
3306 if (srelgot == NULL)
3307 {
3496cb2a
L		 3308 srelgot = bfd_make_section_with_flags (dynobj,
3309 ".rela.got",
3310 (SEC_ALLOC
3311 | SEC_LOAD
3312 | SEC_HAS_CONTENTS
3313 | SEC_IN_MEMORY
3314 | SEC_LINKER_CREATED
3315 | SEC_READONLY));
44aa49bb 3316 if (srelgot == NULL
44aa49bb 3317 || !bfd_set_section_alignment (dynobj, srelgot, 2))
b34976b6 3318 return FALSE;
44aa49bb
HPN		 3319 }
3320 }
100382c7 3321 break;
44aa49bb 3322
100382c7
HPN		 3323 default:
3324 break;
3325 }
915e5146 3326
100382c7
HPN		 3327 /* Warn and error for invalid input. */
3328 switch (r_type)
3329 {
75f500d7 3330 case R_CRIS_32_IE:
100382c7
HPN		 3331 case R_CRIS_32_TPREL:
3332 case R_CRIS_16_TPREL:
3333 case R_CRIS_32_GD:
3334 if (info->shared)
915e5146 3335 {
100382c7
HPN		 3336 (*_bfd_error_handler)
3337 (_("%B, section %A:\n relocation %s not valid"
3338 " in a shared object;"
3339 " typically an option mixup, recompile with -fPIC"),
3340 abfd,
3341 sec,
3342 cris_elf_howto_table[r_type].name);
3343 /* Don't return FALSE here; we want messages for all of
3344 these and the error behavior is ungraceful
3345 anyway. */
3346 }
3347 default:
3348 break;
3349 }
915e5146 3350
100382c7
HPN		 3351 switch (r_type)
3352 {
3353 case R_CRIS_32_GD:
3354 case R_CRIS_16_GOT_GD:
3355 case R_CRIS_32_GOT_GD:
3356 /* These are requests for tls_index entries, run-time R_CRIS_DTP. */
3357 got_element_size = 8;
3358 r_symndx_lgot = LGOT_DTP_NDX (r_symndx);
3359 break;
915e5146 3360
100382c7
HPN		 3361 case R_CRIS_16_DTPREL:
3362 case R_CRIS_32_DTPREL:
3363 /* These two just request for the constant-index
3364 module-local tls_index-sized GOT entry, which we add
3365 elsewhere. */
915e5146
HPN		 3366 break;
3367
75f500d7 3368 case R_CRIS_32_IE:
100382c7
HPN		 3369 case R_CRIS_32_GOT_TPREL:
3370 case R_CRIS_16_GOT_TPREL:
3371 r_symndx_lgot = LGOT_TPREL_NDX (r_symndx);
3372
75f500d7 3373 /* Those relocs also require that a DSO is of type
100382c7
HPN		 3374 Initial Exec. Like other targets, we don't reset this
3375 flag even if the relocs are GC:ed away. */
3376 if (info->shared)
3377 info->flags |= DF_STATIC_TLS;
3378 break;
3379
3380 /* Let's list the other assembler-generated TLS-relocs too,
3381 just to show that they're not forgotten. */
3382 case R_CRIS_16_TPREL:
3383 case R_CRIS_32_TPREL:
915e5146
HPN		 3384 default:
3385 break;
3386 }
3387
4d96d128 3388 switch (r_type)
06c15ad7 3389 {
915e5146
HPN		 3390 case R_CRIS_16_GOTPLT:
3391 case R_CRIS_32_GOTPLT:
3392 /* Mark that we need a GOT entry if the PLT entry (and its GOT
3393 entry) is eliminated. We can only do this for a non-local
3394 symbol. */
3395 if (h != NULL)
3396 {
100382c7 3397 elf_cris_hash_entry (h)->gotplt_refcount++;
915e5146
HPN		 3398 goto handle_gotplt_reloc;
3399 }
3400 /* If h is NULL then this is a local symbol, and we must make a
3401 GOT entry for it, so handle it like a GOT reloc. */
3402 /* Fall through. */
3403
75f500d7 3404 case R_CRIS_32_IE:
100382c7
HPN		 3405 case R_CRIS_32_GD:
3406 case R_CRIS_16_GOT_GD:
3407 case R_CRIS_32_GOT_GD:
3408 case R_CRIS_32_GOT_TPREL:
3409 case R_CRIS_16_GOT_TPREL:
915e5146
HPN		 3410 case R_CRIS_16_GOT:
3411 case R_CRIS_32_GOT:
3412 /* This symbol requires a global offset table entry. */
915e5146
HPN		 3413 if (h != NULL)
3414 {
51b64d56 3415 if (h->got.refcount == 0)
915e5146 3416 {
915e5146
HPN		 3417 /* Make sure this symbol is output as a dynamic symbol. */
3418 if (h->dynindx == -1)
3419 {
c152c796 3420 if (!bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 3421 return FALSE;
915e5146 3422 }
915e5146 3423 }
100382c7
HPN		 3424
3425 /* Update the sum of reloc counts for this symbol. */
51b64d56 3426 h->got.refcount++;
100382c7
HPN		 3427
3428 switch (r_type)
3429 {
3430 case R_CRIS_16_GOT:
3431 case R_CRIS_32_GOT:
3432 if (elf_cris_hash_entry (h)->reg_got_refcount == 0)
3433 {
3434 /* Allocate space in the .got section. */
3435 sgot->size += got_element_size;
3436 /* Allocate relocation space. */
3437 srelgot->size += sizeof (Elf32_External_Rela);
3438 }
3439 elf_cris_hash_entry (h)->reg_got_refcount++;
3440 break;
3441
3442 case R_CRIS_32_GD:
3443 case R_CRIS_16_GOT_GD:
3444 case R_CRIS_32_GOT_GD:
3445 if (elf_cris_hash_entry (h)->dtp_refcount == 0)
3446 {
3447 /* Allocate space in the .got section. */
3448 sgot->size += got_element_size;
3449 /* Allocate relocation space. */
3450 srelgot->size += sizeof (Elf32_External_Rela);
3451 }
3452 elf_cris_hash_entry (h)->dtp_refcount++;
3453 break;
3454
75f500d7 3455 case R_CRIS_32_IE:
100382c7
HPN		 3456 case R_CRIS_32_GOT_TPREL:
3457 case R_CRIS_16_GOT_TPREL:
3458 if (elf_cris_hash_entry (h)->tprel_refcount == 0)
3459 {
3460 /* Allocate space in the .got section. */
3461 sgot->size += got_element_size;
3462 /* Allocate relocation space. */
3463 srelgot->size += sizeof (Elf32_External_Rela);
3464 }
3465 elf_cris_hash_entry (h)->tprel_refcount++;
3466 break;
3467
3468 default:
3469 BFD_FAIL ();
3470 break;
3471 }
915e5146
HPN		 3472 }
3473 else
3474 {
3475 /* This is a global offset table entry for a local symbol. */
100382c7 3476 if (local_got_refcounts[r_symndx_lgot] == 0)
915e5146 3477 {
100382c7 3478 sgot->size += got_element_size;
915e5146
HPN		 3479 if (info->shared)
3480 {
100382c7
HPN		 3481 /* If we are generating a shared object, we need
3482 to output a R_CRIS_RELATIVE reloc so that the
3483 dynamic linker can adjust this GOT entry.
3484 Similarly for non-regular got entries. */
eea6121a 3485 srelgot->size += sizeof (Elf32_External_Rela);
915e5146
HPN		 3486 }
3487 }
100382c7
HPN		 3488 /* Update the reloc-specific count. */
3489 local_got_refcounts[r_symndx_lgot]++;
3490
3491 /* This one is the sum of all the others. */
51b64d56 3492 local_got_refcounts[r_symndx]++;
915e5146
HPN		 3493 }
3494 break;
3495
100382c7
HPN		 3496 case R_CRIS_16_DTPREL:
3497 case R_CRIS_32_DTPREL:
915e5146
HPN		 3498 case R_CRIS_32_GOTREL:
3499 /* This reference requires a global offset table.
3500 FIXME: The actual refcount isn't used currently; the .got
3501 section can't be removed if there were any references in the
3502 input. */
3503 local_got_refcounts[-1]++;
3504 break;
3505
3506 handle_gotplt_reloc:
3507
3508 case R_CRIS_32_PLT_GOTREL:
3509 /* This reference requires a global offset table. */
3510 local_got_refcounts[-1]++;
3511 /* Fall through. */
3512
3513 case R_CRIS_32_PLT_PCREL:
3514 /* This symbol requires a procedure linkage table entry. We
3515 actually build the entry in adjust_dynamic_symbol,
3516 because this might be a case of linking PIC code which is
3517 never referenced by a dynamic object, in which case we
3518 don't need to generate a procedure linkage table entry
3519 after all. */
3520
ada1953e
HPN		 3521 /* Beware: if we'd check for visibility of the symbol here
3522 (and not marking the need for a PLT when non-visible), we'd
3523 get into trouble with keeping handling consistent with
3524 regards to relocs found before definition and GOTPLT
3525 handling. Eliminable PLT entries will be dealt with later
3526 anyway. */
3527 if (h == NULL)
915e5146
HPN		 3528 continue;
3529
f5385ebf 3530 h->needs_plt = 1;
51b64d56 3531 h->plt.refcount++;
915e5146
HPN		 3532 break;
3533
3534 case R_CRIS_8:
3535 case R_CRIS_16:
3536 case R_CRIS_32:
3537 /* Let's help debug shared library creation. Any of these
0d08de41
HPN		 3538 relocs *can* be used in shared libs, but pages containing
3539 them cannot be shared, so they're not appropriate for
3540 common use. Don't warn for sections we don't care about,
3541 such as debug sections or non-constant sections. We
3542 can't help tables of (global) function pointers, for
3543 example, though they must be emitted in a (writable) data
3544 section to avoid having impure text sections. */
915e5146
HPN		 3545 if (info->shared
3546 && (sec->flags & SEC_ALLOC) != 0
3547 && (sec->flags & SEC_READONLY) != 0)
3548 {
3549 /* FIXME: How do we make this optionally a warning only? */
8f615d07 3550 (*_bfd_error_handler)
bac23f82
HPN		 3551 (_("%B, section %A:\n relocation %s should not"
3552 " be used in a shared object; recompile with -fPIC"),
d003868e
AM		 3553 abfd,
3554 sec,
8f615d07 3555 cris_elf_howto_table[r_type].name);
915e5146 3556 }
0d08de41
HPN		 3557 if (h != NULL)
3558 {
3559 h->non_got_ref = 1;
100382c7 3560
0d08de41
HPN		 3561 /* Make sure a plt entry is created for this symbol if it
3562 turns out to be a function defined by a dynamic object. */
3563 if (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
3564 h->plt.refcount++;
3565 }
3566
3567 /* If we are creating a shared library and this is not a local
3568 symbol, we need to copy the reloc into the shared library.
3569 However when linking with -Bsymbolic and this is a global
3570 symbol which is defined in an object we are including in the
3571 link (i.e., DEF_REGULAR is set), then we can resolve the
3572 reloc directly. At this point we have not seen all the input
3573 files, so it is possible that DEF_REGULAR is not set now but
3574 will be set later (it is never cleared). In case of a weak
3575 definition, DEF_REGULAR may be cleared later by a strong
3576 definition in a shared library. We account for that
3577 possibility below by storing information in the relocs_copied
3578 field of the hash table entry. A similar situation occurs
3579 when creating shared libraries and symbol visibility changes
3580 render the symbol local. */
3581
3582 /* No need to do anything if we're not creating a shared object. */
3583 if (! info->shared)
3584 break;
3585
3586 /* We don't need to handle relocs into sections not going into
3587 the "real" output. */
3588 if ((sec->flags & SEC_ALLOC) == 0)
3589 break;
3590
3591 /* We may need to create a reloc section in the dynobj and made room
3592 for this reloc. */
3593 if (sreloc == NULL)
3594 {
3595 sreloc = _bfd_elf_make_dynamic_reloc_section
3596 (sec, dynobj, 2, abfd, /*rela?*/ TRUE);
3597
3598 if (sreloc == NULL)
3599 return FALSE;
3600 }
3601
3602 if (sec->flags & SEC_READONLY)
3603 info->flags |= DF_TEXTREL;
3604
3605 sreloc->size += sizeof (Elf32_External_Rela);
3606 break;
915e5146
HPN		 3607
3608 case R_CRIS_8_PCREL:
3609 case R_CRIS_16_PCREL:
3610 case R_CRIS_32_PCREL:
3611 if (h != NULL)
3612 {
f5385ebf 3613 h->non_got_ref = 1;
915e5146
HPN		 3614
3615 /* Make sure a plt entry is created for this symbol if it
3616 turns out to be a function defined by a dynamic object. */
0a4787a0
HPN		 3617 if (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
3618 h->plt.refcount++;
915e5146
HPN		 3619 }
3620
3621 /* If we are creating a shared library and this is not a local
3622 symbol, we need to copy the reloc into the shared library.
3623 However when linking with -Bsymbolic and this is a global
3624 symbol which is defined in an object we are including in the
3625 link (i.e., DEF_REGULAR is set), then we can resolve the
3626 reloc directly. At this point we have not seen all the input
3627 files, so it is possible that DEF_REGULAR is not set now but
3628 will be set later (it is never cleared). In case of a weak
3629 definition, DEF_REGULAR may be cleared later by a strong
3630 definition in a shared library. We account for that
3631 possibility below by storing information in the relocs_copied
3632 field of the hash table entry. A similar situation occurs
3633 when creating shared libraries and symbol visibility changes
3634 render the symbol local. */
3635
3636 /* No need to do anything if we're not creating a shared object. */
3637 if (! info->shared)
3638 break;
3639
3640 /* We don't need to handle relocs into sections not going into
3641 the "real" output. */
3642 if ((sec->flags & SEC_ALLOC) == 0)
3643 break;
3644
0d08de41
HPN		 3645 /* If the symbol is local, then we know already we can
3646 eliminate the reloc. */
3647 if (h == NULL || ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
3648 break;
bac23f82 3649
0d08de41
HPN		 3650 /* If this is with -Bsymbolic and the symbol isn't weak, and
3651 is defined by an ordinary object (the ones we include in
3652 this shared library) then we can also eliminate the
3653 reloc. See comment above for more eliminable cases which
3654 we can't identify at this time. */
3655 if (info->symbolic
3656 && h->root.type != bfd_link_hash_defweak
3657 && h->def_regular)
3658 break;
915e5146 3659
83bac4b0
NC		 3660 /* We may need to create a reloc section in the dynobj and made room
3661 for this reloc. */
915e5146
HPN		 3662 if (sreloc == NULL)
3663 {
83bac4b0
NC		 3664 sreloc = _bfd_elf_make_dynamic_reloc_section
3665 (sec, dynobj, 2, abfd, /*rela?*/ TRUE);
915e5146 3666
83bac4b0 3667 if (sreloc == NULL)
b34976b6 3668 return FALSE;
915e5146
HPN		 3669 }
3670
eea6121a 3671 sreloc->size += sizeof (Elf32_External_Rela);
915e5146 3672
0d08de41
HPN		 3673 /* We count the number of PC relative relocations we have
3674 entered for this symbol, so that we can discard them
3675 again if the symbol is later defined by a regular object.
3676 We know that h is really a pointer to an
915e5146 3677 elf_cris_link_hash_entry. */
0d08de41
HPN		 3678 {
3679 struct elf_cris_link_hash_entry *eh;
3680 struct elf_cris_pcrel_relocs_copied *p;
915e5146 3681
0d08de41 3682 eh = elf_cris_hash_entry (h);
915e5146 3683
0d08de41
HPN		 3684 for (p = eh->pcrel_relocs_copied; p != NULL; p = p->next)
3685 if (p->section == sreloc)
3686 break;
915e5146 3687
0d08de41
HPN		 3688 if (p == NULL)
3689 {
3690 p = ((struct elf_cris_pcrel_relocs_copied *)
3691 bfd_alloc (dynobj, (bfd_size_type) sizeof *p));
3692 if (p == NULL)
3693 return FALSE;
3694 p->next = eh->pcrel_relocs_copied;
3695 eh->pcrel_relocs_copied = p;
3696 p->section = sreloc;
3697 p->count = 0;
3698 p->r_type = r_type;
3699 }
915e5146 3700
0d08de41
HPN		 3701 ++p->count;
3702 }
915e5146
HPN		 3703 break;
3704
06c15ad7
HPN		 3705 /* This relocation describes the C++ object vtable hierarchy.
3706 Reconstruct it for later use during GC. */
3707 case R_CRIS_GNU_VTINHERIT:
c152c796 3708 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
b34976b6 3709 return FALSE;
06c15ad7 3710 break;
a7c10850 3711
06c15ad7
HPN		 3712 /* This relocation describes which C++ vtable entries are actually
3713 used. Record for later use during GC. */
3714 case R_CRIS_GNU_VTENTRY:
d17e0c6e
JB		 3715 BFD_ASSERT (h != NULL);
3716 if (h != NULL
3717 && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
b34976b6 3718 return FALSE;
06c15ad7 3719 break;
4d96d128 3720
100382c7
HPN		 3721 case R_CRIS_16_TPREL:
3722 case R_CRIS_32_TPREL:
3723 /* Already warned above, when necessary. */
3724 break;
3725
4d96d128
HPN		 3726 default:
3727 /* Other relocs do not appear here. */
3728 bfd_set_error (bfd_error_bad_value);
b34976b6 3729 return FALSE;
06c15ad7
HPN		 3730 }
3731 }
a7c10850 3732
b34976b6 3733 return TRUE;
06c15ad7 3734}
4da81684 3735
915e5146
HPN		 3736/* Set the sizes of the dynamic sections. */
3737
b34976b6 3738static bfd_boolean
4dfe6ac6
NC		 3739elf_cris_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
3740 struct bfd_link_info *info)
915e5146 3741{
4dfe6ac6 3742 struct elf_cris_link_hash_table * htab;
915e5146
HPN		 3743 bfd *dynobj;
3744 asection *s;
b34976b6
AM		 3745 bfd_boolean plt;
3746 bfd_boolean relocs;
915e5146 3747
4dfe6ac6
NC		 3748 htab = elf_cris_hash_table (info);
3749 if (htab == NULL)
3750 return FALSE;
3751
915e5146
HPN		 3752 dynobj = elf_hash_table (info)->dynobj;
3753 BFD_ASSERT (dynobj != NULL);
3754
3755 if (elf_hash_table (info)->dynamic_sections_created)
3756 {
3757 /* Set the contents of the .interp section to the interpreter. */
893c4fe2 3758 if (info->executable)
915e5146
HPN		 3759 {
3760 s = bfd_get_section_by_name (dynobj, ".interp");
3761 BFD_ASSERT (s != NULL);
eea6121a 3762 s->size = sizeof ELF_DYNAMIC_INTERPRETER;
915e5146
HPN		 3763 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
3764 }
3765 }
3766 else
3767 {
3768 /* Adjust all expected GOTPLT uses to use a GOT entry instead. */
4dfe6ac6
NC		 3769 elf_cris_link_hash_traverse (htab, elf_cris_adjust_gotplt_to_got,
3770 info);
915e5146
HPN		 3771
3772 /* We may have created entries in the .rela.got section.
3773 However, if we are not creating the dynamic sections, we will
3774 not actually use these entries. Reset the size of .rela.got,
3775 which will cause it to get stripped from the output file
3776 below. */
3777 s = bfd_get_section_by_name (dynobj, ".rela.got");
3778 if (s != NULL)
eea6121a 3779 s->size = 0;
915e5146
HPN		 3780 }
3781
3782 /* If this is a -Bsymbolic shared link, then we need to discard all PC
3783 relative relocs against symbols defined in a regular object. We
3784 allocated space for them in the check_relocs routine, but we will not
3785 fill them in in the relocate_section routine. We also discard space
3786 for relocs that have become for local symbols due to symbol
4d96d128
HPN		 3787 visibility changes. For programs, we discard space for relocs for
3788 symbols not referenced by any dynamic object. */
915e5146 3789 if (info->shared)
4dfe6ac6 3790 elf_cris_link_hash_traverse (htab,
4d96d128 3791 elf_cris_discard_excess_dso_dynamics,
4dfe6ac6 3792 info);
4d96d128 3793 else
4dfe6ac6 3794 elf_cris_link_hash_traverse (htab,
4d96d128 3795 elf_cris_discard_excess_program_dynamics,
4dfe6ac6 3796 info);
915e5146
HPN		 3797
3798 /* The check_relocs and adjust_dynamic_symbol entry points have
3799 determined the sizes of the various dynamic sections. Allocate
3800 memory for them. */
b34976b6
AM		 3801 plt = FALSE;
3802 relocs = FALSE;
915e5146
HPN		 3803 for (s = dynobj->sections; s != NULL; s = s->next)
3804 {
3805 const char *name;
915e5146
HPN		 3806
3807 if ((s->flags & SEC_LINKER_CREATED) == 0)
3808 continue;
3809
3810 /* It's OK to base decisions on the section name, because none
3811 of the dynobj section names depend upon the input files. */
3812 name = bfd_get_section_name (dynobj, s);
3813
915e5146
HPN		 3814 if (strcmp (name, ".plt") == 0)
3815 {
c456f082
AM		 3816 /* Remember whether there is a PLT. */
3817 plt = s->size != 0;
915e5146 3818 }
100382c7
HPN		 3819 else if (strcmp (name, ".got.plt") == 0)
3820 {
3821 /* The .got.plt contains the .got header as well as the
3822 actual .got.plt contents. The .got header may contain a
3823 R_CRIS_DTPMOD entry at index 3. */
4dfe6ac6 3824 s->size += htab->dtpmod_refcount != 0
100382c7
HPN		 3825 ? 8 : 0;
3826 }
0112cd26 3827 else if (CONST_STRNEQ (name, ".rela"))
915e5146 3828 {
100382c7 3829 if (strcmp (name, ".rela.got") == 0
4dfe6ac6 3830 && htab->dtpmod_refcount != 0
100382c7
HPN		 3831 && info->shared)
3832 s->size += sizeof (Elf32_External_Rela);
3833
c456f082 3834 if (s->size != 0)
915e5146 3835 {
915e5146
HPN		 3836 /* Remember whether there are any reloc sections other
3837 than .rela.plt. */
3838 if (strcmp (name, ".rela.plt") != 0)
b34976b6 3839 relocs = TRUE;
915e5146 3840
915e5146
HPN		 3841 /* We use the reloc_count field as a counter if we need
3842 to copy relocs into the output file. */
3843 s->reloc_count = 0;
3844 }
3845 }
0112cd26 3846 else if (! CONST_STRNEQ (name, ".got")
c456f082 3847 && strcmp (name, ".dynbss") != 0)
915e5146
HPN		 3848 {
3849 /* It's not one of our sections, so don't allocate space. */
3850 continue;
3851 }
3852
c456f082 3853 if (s->size == 0)
915e5146 3854 {
c456f082
AM		 3855 /* If we don't need this section, strip it from the
3856 output file. This is mostly to handle .rela.bss and
3857 .rela.plt. We must create both sections in
3858 create_dynamic_sections, because they must be created
3859 before the linker maps input sections to output
3860 sections. The linker does that before
3861 adjust_dynamic_symbol is called, and it is that
3862 function which decides whether anything needs to go
3863 into these sections. */
8423293d 3864 s->flags |= SEC_EXCLUDE;
915e5146
HPN		 3865 continue;
3866 }
3867
c456f082
AM		 3868 if ((s->flags & SEC_HAS_CONTENTS) == 0)
3869 continue;
3870
915e5146
HPN		 3871 /* Allocate memory for the section contents. We use bfd_zalloc here
3872 in case unused entries are not reclaimed before the section's
3873 contents are written out. This should not happen, but this way
3874 if it does, we will not write out garbage. For reloc sections,
3875 this will make entries have the type R_CRIS_NONE. */
eea6121a 3876 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
c456f082 3877 if (s->contents == NULL)
b34976b6 3878 return FALSE;
915e5146
HPN		 3879 }
3880
3881 if (elf_hash_table (info)->dynamic_sections_created)
3882 {
3883 /* Add some entries to the .dynamic section. We fill in the
3884 values later, in elf_cris_finish_dynamic_sections, but we
3885 must add the entries now so that we get the correct size for
3886 the .dynamic section. The DT_DEBUG entry is filled in by the
3887 dynamic linker and used by the debugger. */
dc810e39 3888#define add_dynamic_entry(TAG, VAL) \
5a580b3a 3889 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
dc810e39 3890
915e5146
HPN		 3891 if (!info->shared)
3892 {
dc810e39 3893 if (!add_dynamic_entry (DT_DEBUG, 0))
b34976b6 3894 return FALSE;
915e5146
HPN		 3895 }
3896
3897 if (plt)
3898 {
dc810e39
AM		 3899 if (!add_dynamic_entry (DT_PLTGOT, 0)
3900 || !add_dynamic_entry (DT_PLTRELSZ, 0)
3901 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
3902 || !add_dynamic_entry (DT_JMPREL, 0))
b34976b6 3903 return FALSE;
915e5146
HPN		 3904 }
3905
3906 if (relocs)
3907 {
dc810e39
AM		 3908 if (!add_dynamic_entry (DT_RELA, 0)
3909 || !add_dynamic_entry (DT_RELASZ, 0)
3910 || !add_dynamic_entry (DT_RELAENT, sizeof (Elf32_External_Rela)))
b34976b6 3911 return FALSE;
915e5146
HPN		 3912 }
3913
99e4ae17 3914 if ((info->flags & DF_TEXTREL) != 0)
915e5146 3915 {
dc810e39 3916 if (!add_dynamic_entry (DT_TEXTREL, 0))
b34976b6 3917 return FALSE;
915e5146
HPN		 3918 info->flags |= DF_TEXTREL;
3919 }
3920 }
dc810e39 3921#undef add_dynamic_entry
915e5146 3922
b34976b6 3923 return TRUE;
915e5146
HPN		 3924}
3925
3926/* This function is called via elf_cris_link_hash_traverse if we are
3927 creating a shared object. In the -Bsymbolic case, it discards the
3928 space allocated to copy PC relative relocs against symbols which
3929 are defined in regular objects. For the normal non-symbolic case,
3930 we also discard space for relocs that have become local due to
3931 symbol visibility changes. We allocated space for them in the
3932 check_relocs routine, but we won't fill them in in the
3933 relocate_section routine. */
3934
b34976b6 3935static bfd_boolean
4d96d128 3936elf_cris_discard_excess_dso_dynamics (h, inf)
915e5146
HPN		 3937 struct elf_cris_link_hash_entry *h;
3938 PTR inf;
3939{
3940 struct elf_cris_pcrel_relocs_copied *s;
3941 struct bfd_link_info *info = (struct bfd_link_info *) inf;
3942
e92d460e
AM		 3943 if (h->root.root.type == bfd_link_hash_warning)
3944 h = (struct elf_cris_link_hash_entry *) h->root.root.u.i.link;
3945
915e5146
HPN		 3946 /* If a symbol has been forced local or we have found a regular
3947 definition for the symbolic link case, then we won't be needing
3948 any relocs. */
f5385ebf
AM		 3949 if (h->root.def_regular
3950 && (h->root.forced_local
915e5146
HPN		 3951 || info->symbolic))
3952 {
3953 for (s = h->pcrel_relocs_copied; s != NULL; s = s->next)
eea6121a 3954 s->section->size -= s->count * sizeof (Elf32_External_Rela);
0d08de41
HPN		 3955
3956 return TRUE;
3957 }
3958
3959 /* If we have accounted for PC-relative relocs for read-only
3960 sections, now is the time to warn for them. We can't do it in
3961 cris_elf_check_relocs, because we don't know the status of all
3962 symbols at that time (and it's common to force symbols local
3963 late). */
3964
3965 for (s = h->pcrel_relocs_copied; s != NULL; s = s->next)
3966 {
3967 BFD_ASSERT ((s->section->flags & SEC_READONLY) != 0);
3968
3969 /* FIXME: How do we make this optionally a warning only? */
3970 (*_bfd_error_handler)
3971 (_("%B, section `%A', to symbol `%s':\n"
3972 " relocation %s should not be used"
3973 " in a shared object; recompile with -fPIC"),
3974 s->section->owner,
3975 s->section,
3976 h->root.root.root.string,
3977 cris_elf_howto_table[s->r_type].name);
3978
3979 info->flags |= DF_TEXTREL;
4d96d128
HPN		 3980 }
3981
b34976b6 3982 return TRUE;
4d96d128
HPN		 3983}
3984
3985/* This function is called via elf_cris_link_hash_traverse if we are *not*
3986 creating a shared object. We discard space for relocs for symbols put
3987 in the .got, but which we found we do not have to resolve at run-time. */
3988
b34976b6 3989static bfd_boolean
4d96d128
HPN		 3990elf_cris_discard_excess_program_dynamics (h, inf)
3991 struct elf_cris_link_hash_entry *h;
3992 PTR inf;
3993{
3994 struct bfd_link_info *info = (struct bfd_link_info *) inf;
3995
e92d460e
AM		 3996 if (h->root.root.type == bfd_link_hash_warning)
3997 h = (struct elf_cris_link_hash_entry *) h->root.root.u.i.link;
3998
4d96d128
HPN		 3999 /* If we're not creating a shared library and have a symbol which is
4000 referred to by .got references, but the symbol is defined locally,
e4a2175c
HPN		 4001 (or rather, not defined by a DSO) then lose the reloc for the .got
4002 (don't allocate room for it). Likewise for relocs for something
4003 for which we create a PLT. */
f5385ebf 4004 if (!h->root.def_dynamic
e4a2175c 4005 || h->root.plt.refcount > 0)
4d96d128 4006 {
100382c7 4007 if (h->reg_got_refcount > 0
4d96d128
HPN		 4008 /* The size of this section is only valid and in sync with the
4009 various reference counts if we do dynamic; don't decrement it
4010 otherwise. */
4011 && elf_hash_table (info)->dynamic_sections_created)
4012 {
4013 bfd *dynobj = elf_hash_table (info)->dynobj;
4014 asection *srelgot;
4015
4016 BFD_ASSERT (dynobj != NULL);
99c79b2e 4017
4d96d128
HPN		 4018 srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
4019
4020 BFD_ASSERT (srelgot != NULL);
4021
eea6121a 4022 srelgot->size -= sizeof (Elf32_External_Rela);
4d96d128
HPN		 4023 }
4024
4025 /* If the locally-defined symbol isn't used by a DSO, then we don't
4026 have to export it as a dynamic symbol. This was already done for
4027 functions; doing this for all symbols would presumably not
e5dfef09
HPN		 4028 introduce new problems. Of course we don't do this if we're
4029 exporting all dynamic symbols. */
0741c7be 4030 if (! info->export_dynamic
77cfaee6 4031 && h->root.dynindx != -1
f5385ebf
AM		 4032 && !h->root.def_dynamic
4033 && !h->root.ref_dynamic)
e5dfef09
HPN		 4034 {
4035 h->root.dynindx = -1;
4036 _bfd_elf_strtab_delref (elf_hash_table (info)->dynstr,
4037 h->root.dynstr_index);
4038 }
915e5146
HPN		 4039 }
4040
b34976b6 4041 return TRUE;
915e5146
HPN		 4042}
4043
4044/* Reject a file depending on presence and expectation of prefixed
4045 underscores on symbols. */
4da81684 4046
b34976b6 4047static bfd_boolean
4da81684
HPN		 4048cris_elf_object_p (abfd)
4049 bfd *abfd;
4050{
bac23f82
HPN		 4051 if (! cris_elf_set_mach_from_flags (abfd, elf_elfheader (abfd)->e_flags))
4052 return FALSE;
4053
4da81684
HPN		 4054 if ((elf_elfheader (abfd)->e_flags & EF_CRIS_UNDERSCORE))
4055 return (bfd_get_symbol_leading_char (abfd) == '_');
4056 else
4057 return (bfd_get_symbol_leading_char (abfd) == 0);
4058}
4059
bac23f82
HPN		 4060/* Mark presence or absence of leading underscore. Set machine type
4061 flags from mach type. */
4da81684
HPN		 4062
4063static void
4064cris_elf_final_write_processing (abfd, linker)
4065 bfd *abfd;
b34976b6 4066 bfd_boolean linker ATTRIBUTE_UNUSED;
4da81684 4067{
bac23f82
HPN		 4068 unsigned long e_flags = elf_elfheader (abfd)->e_flags;
4069
4070 e_flags &= ~EF_CRIS_UNDERSCORE;
4da81684 4071 if (bfd_get_symbol_leading_char (abfd) == '_')
bac23f82
HPN		 4072 e_flags |= EF_CRIS_UNDERSCORE;
4073
4074 switch (bfd_get_mach (abfd))
4075 {
4076 case bfd_mach_cris_v0_v10:
4077 e_flags |= EF_CRIS_VARIANT_ANY_V0_V10;
4078 break;
4079
4080 case bfd_mach_cris_v10_v32:
4081 e_flags |= EF_CRIS_VARIANT_COMMON_V10_V32;
4082 break;
4083
4084 case bfd_mach_cris_v32:
4085 e_flags |= EF_CRIS_VARIANT_V32;
4086 break;
4087
4088 default:
4089 _bfd_abort (__FILE__, __LINE__,
4090 _("Unexpected machine number"));
4091 }
4092
4093 elf_elfheader (abfd)->e_flags = e_flags;
4094}
4095
4096/* Set the mach type from e_flags value. */
4097
4098static bfd_boolean
4099cris_elf_set_mach_from_flags (abfd, flags)
4100 bfd *abfd;
4101 unsigned long flags;
4102{
4103 switch (flags & EF_CRIS_VARIANT_MASK)
4104 {
4105 case EF_CRIS_VARIANT_ANY_V0_V10:
4106 bfd_default_set_arch_mach (abfd, bfd_arch_cris, bfd_mach_cris_v0_v10);
4107 break;
4108
4109 case EF_CRIS_VARIANT_V32:
4110 bfd_default_set_arch_mach (abfd, bfd_arch_cris, bfd_mach_cris_v32);
4111 break;
4112
4113 case EF_CRIS_VARIANT_COMMON_V10_V32:
4114 bfd_default_set_arch_mach (abfd, bfd_arch_cris, bfd_mach_cris_v10_v32);
4115 break;
4116
4117 default:
4118 /* Since we don't recognize them, we obviously can't support them
4119 with this code; we'd have to require that all future handling
4120 would be optional. */
4121 bfd_set_error (bfd_error_wrong_format);
4122 return FALSE;
4123 }
4124
4125 return TRUE;
4da81684
HPN		 4126}
4127
4128/* Display the flags field. */
4129
b34976b6 4130static bfd_boolean
4da81684
HPN		 4131cris_elf_print_private_bfd_data (abfd, ptr)
4132 bfd *abfd;
4133 PTR ptr;
4134{
4135 FILE *file = (FILE *) ptr;
4136
f12123c0 4137 BFD_ASSERT (abfd != NULL && ptr != NULL);
4da81684
HPN		 4138
4139 _bfd_elf_print_private_bfd_data (abfd, ptr);
4140
4141 fprintf (file, _("private flags = %lx:"), elf_elfheader (abfd)->e_flags);
4142
4143 if (elf_elfheader (abfd)->e_flags & EF_CRIS_UNDERSCORE)
4144 fprintf (file, _(" [symbols have a _ prefix]"));
bac23f82
HPN		 4145 if ((elf_elfheader (abfd)->e_flags & EF_CRIS_VARIANT_MASK)
4146 == EF_CRIS_VARIANT_COMMON_V10_V32)
4147 fprintf (file, _(" [v10 and v32]"));
4148 if ((elf_elfheader (abfd)->e_flags & EF_CRIS_VARIANT_MASK)
4149 == EF_CRIS_VARIANT_V32)
4150 fprintf (file, _(" [v32]"));
4da81684
HPN		 4151
4152 fputc ('\n', file);
b34976b6 4153 return TRUE;
4da81684
HPN		 4154}
4155
4156/* Don't mix files with and without a leading underscore. */
4157
b34976b6 4158static bfd_boolean
4da81684
HPN		 4159cris_elf_merge_private_bfd_data (ibfd, obfd)
4160 bfd *ibfd;
4161 bfd *obfd;
4162{
bac23f82 4163 int imach, omach;
4da81684 4164
82e51918 4165 if (! _bfd_generic_verify_endian_match (ibfd, obfd))
b34976b6 4166 return FALSE;
4da81684
HPN		 4167
4168 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
4169 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
b34976b6 4170 return TRUE;
4da81684 4171
bac23f82
HPN		 4172 imach = bfd_get_mach (ibfd);
4173
4da81684
HPN		 4174 if (! elf_flags_init (obfd))
4175 {
4176 /* This happens when ld starts out with a 'blank' output file. */
b34976b6 4177 elf_flags_init (obfd) = TRUE;
4da81684 4178
bac23f82
HPN		 4179 /* We ignore the linker-set mach, and instead set it according to
4180 the first input file. This would also happen if we could
4181 somehow filter out the OUTPUT_ARCH () setting from elf.sc.
4182 This allows us to keep the same linker config across
4183 cris(v0..v10) and crisv32. The drawback is that we can't force
4184 the output type, which might be a sane thing to do for a
4185 v10+v32 compatibility object. */
4186 if (! bfd_set_arch_mach (obfd, bfd_arch_cris, imach))
4187 return FALSE;
4da81684
HPN		 4188 }
4189
bac23f82
HPN		 4190 if (bfd_get_symbol_leading_char (ibfd)
4191 != bfd_get_symbol_leading_char (obfd))
4da81684
HPN		 4192 {
4193 (*_bfd_error_handler)
bac23f82 4194 (bfd_get_symbol_leading_char (ibfd) == '_'
d003868e
AM		 4195 ? _("%B: uses _-prefixed symbols, but writing file with non-prefixed symbols")
4196 : _("%B: uses non-prefixed symbols, but writing file with _-prefixed symbols"),
4197 ibfd);
4da81684 4198 bfd_set_error (bfd_error_bad_value);
b34976b6 4199 return FALSE;
4da81684
HPN		 4200 }
4201
bac23f82
HPN		 4202 omach = bfd_get_mach (obfd);
4203
4204 if (imach != omach)
4205 {
4206 /* We can get an incompatible combination only if either is
4207 bfd_mach_cris_v32, and the other one isn't compatible. */
4208 if ((imach == bfd_mach_cris_v32
4209 && omach != bfd_mach_cris_v10_v32)
4210 || (omach == bfd_mach_cris_v32
4211 && imach != bfd_mach_cris_v10_v32))
4212 {
4213 (*_bfd_error_handler)
4214 ((imach == bfd_mach_cris_v32)
4215 ? _("%B contains CRIS v32 code, incompatible"
4216 " with previous objects")
4217 : _("%B contains non-CRIS-v32 code, incompatible"
4218 " with previous objects"),
4219 ibfd);
4220 bfd_set_error (bfd_error_bad_value);
4221 return FALSE;
4222 }
4223
4224 /* We don't have to check the case where the input is compatible
4225 with v10 and v32, because the output is already known to be set
4226 to the other (compatible) mach. */
4227 if (omach == bfd_mach_cris_v10_v32
4228 && ! bfd_set_arch_mach (obfd, bfd_arch_cris, imach))
4229 return FALSE;
4230 }
4231
b34976b6 4232 return TRUE;
4da81684 4233}
99e4ae17 4234
bac23f82
HPN		 4235/* Do side-effects of e_flags copying to obfd. */
4236
4237static bfd_boolean
4238cris_elf_copy_private_bfd_data (ibfd, obfd)
4239 bfd *ibfd;
4240 bfd *obfd;
4241{
4242 /* Call the base function. */
4243 if (!_bfd_elf_copy_private_bfd_data (ibfd, obfd))
4244 return FALSE;
4245
4246 /* If output is big-endian for some obscure reason, stop here. */
4247 if (_bfd_generic_verify_endian_match (ibfd, obfd) == FALSE)
4248 return FALSE;
4249
4250 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
4251 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
4252 return TRUE;
4253
4254 /* Do what we really came here for. */
4255 return bfd_set_arch_mach (obfd, bfd_arch_cris, bfd_get_mach (ibfd));
4256}
99e4ae17
AJ		 4257
4258static enum elf_reloc_type_class
f51e552e
AM		 4259elf_cris_reloc_type_class (rela)
4260 const Elf_Internal_Rela *rela;
99e4ae17 4261{
100382c7
HPN		 4262 enum elf_cris_reloc_type r_type = ELF32_R_TYPE (rela->r_info);
4263 switch (r_type)
99e4ae17
AJ		 4264 {
4265 case R_CRIS_RELATIVE:
4266 return reloc_class_relative;
4267 case R_CRIS_JUMP_SLOT:
4268 return reloc_class_plt;
4269 case R_CRIS_COPY:
4270 return reloc_class_copy;
4271 default:
4272 return reloc_class_normal;
4273 }
4274}
100382c7
HPN		 4275
4276/* The elf_backend_got_elt_size worker. For one symbol, we can have up to
4277 two GOT entries from three types with two different sizes. We handle
4278 it as a single entry, so we can use the regular offset-calculation
4279 machinery. */
4280
4281static bfd_vma
4282elf_cris_got_elt_size (bfd *abfd ATTRIBUTE_UNUSED,
4283 struct bfd_link_info *info ATTRIBUTE_UNUSED,
4284 struct elf_link_hash_entry *hr,
4285 bfd *ibfd,
4286 unsigned long symndx)
4287{
4288 struct elf_link_hash_entry *h = (struct elf_link_hash_entry *) hr;
100382c7
HPN		 4289 bfd_vma eltsiz = 0;
4290
4291 /* We may have one regular GOT entry or up to two TLS GOT
4292 entries. */
4293 if (h == NULL)
4294 {
b2e254f9 4295 Elf_Internal_Shdr *symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
100382c7
HPN		 4296 bfd_signed_vma *local_got_refcounts = elf_local_got_refcounts (ibfd);
4297
4298 BFD_ASSERT (local_got_refcounts != NULL);
4299
4300 if (local_got_refcounts[LGOT_REG_NDX (symndx)] > 0)
4301 {
4302 /* We can't have a variable referred to both as a regular
4303 variable and through TLS relocs. */
4304 BFD_ASSERT (local_got_refcounts[LGOT_DTP_NDX (symndx)] == 0
4305 && local_got_refcounts[LGOT_TPREL_NDX (symndx)] == 0);
4306 return 4;
4307 }
4308
4309 if (local_got_refcounts[LGOT_DTP_NDX (symndx)] > 0)
4310 eltsiz += 8;
4311
4312 if (local_got_refcounts[LGOT_TPREL_NDX (symndx)] > 0)
4313 eltsiz += 4;
4314 }
4315 else
4316 {
4317 struct elf_cris_link_hash_entry *hh = elf_cris_hash_entry (h);
4318 if (hh->reg_got_refcount > 0)
4319 {
4320 /* The actual error-on-input is emitted elsewhere. */
4321 BFD_ASSERT (hh->dtp_refcount == 0 && hh->tprel_refcount == 0);
4322 return 4;
4323 }
4324
4325 if (hh->dtp_refcount > 0)
4326 eltsiz += 8;
4327
4328 if (hh->tprel_refcount > 0)
4329 eltsiz += 4;
4330 }
4331
b2e254f9
HPN		 4332 /* We're only called when h->got.refcount is non-zero, so we must
4333 have a non-zero size. */
4334 BFD_ASSERT (eltsiz != 0);
100382c7
HPN		 4335 return eltsiz;
4336}
06c15ad7
HPN		 4337\f
4338#define ELF_ARCH bfd_arch_cris
4339#define ELF_MACHINE_CODE EM_CRIS
4340#define ELF_MAXPAGESIZE 0x2000
4341
4342#define TARGET_LITTLE_SYM bfd_elf32_cris_vec
4343#define TARGET_LITTLE_NAME "elf32-cris"
4da81684 4344#define elf_symbol_leading_char 0
06c15ad7
HPN		 4345
4346#define elf_info_to_howto_rel NULL
4347#define elf_info_to_howto cris_info_to_howto_rela
4348#define elf_backend_relocate_section cris_elf_relocate_section
4349#define elf_backend_gc_mark_hook cris_elf_gc_mark_hook
4350#define elf_backend_gc_sweep_hook cris_elf_gc_sweep_hook
5d5a918a 4351#define elf_backend_plt_sym_val cris_elf_plt_sym_val
06c15ad7 4352#define elf_backend_check_relocs cris_elf_check_relocs
72209a1f
HPN		 4353#define elf_backend_grok_prstatus cris_elf_grok_prstatus
4354#define elf_backend_grok_psinfo cris_elf_grok_psinfo
06c15ad7
HPN		 4355
4356#define elf_backend_can_gc_sections 1
51b64d56 4357#define elf_backend_can_refcount 1
06c15ad7 4358
4da81684
HPN		 4359#define elf_backend_object_p cris_elf_object_p
4360#define elf_backend_final_write_processing \
4361 cris_elf_final_write_processing
4362#define bfd_elf32_bfd_print_private_bfd_data \
4363 cris_elf_print_private_bfd_data
4364#define bfd_elf32_bfd_merge_private_bfd_data \
4365 cris_elf_merge_private_bfd_data
bac23f82
HPN		 4366#define bfd_elf32_bfd_copy_private_bfd_data \
4367 cris_elf_copy_private_bfd_data
4da81684 4368
06c15ad7 4369#define bfd_elf32_bfd_reloc_type_lookup cris_reloc_type_lookup
157090f7 4370#define bfd_elf32_bfd_reloc_name_lookup cris_reloc_name_lookup
06c15ad7 4371
915e5146
HPN		 4372#define bfd_elf32_bfd_link_hash_table_create \
4373 elf_cris_link_hash_table_create
4374#define elf_backend_adjust_dynamic_symbol \
4375 elf_cris_adjust_dynamic_symbol
237bc7f0
HPN		 4376#define elf_backend_copy_indirect_symbol \
4377 elf_cris_copy_indirect_symbol
915e5146
HPN		 4378#define elf_backend_size_dynamic_sections \
4379 elf_cris_size_dynamic_sections
74541ad4 4380#define elf_backend_init_index_section _bfd_elf_init_1_index_section
915e5146
HPN		 4381#define elf_backend_finish_dynamic_symbol \
4382 elf_cris_finish_dynamic_symbol
4383#define elf_backend_finish_dynamic_sections \
4384 elf_cris_finish_dynamic_sections
4385#define elf_backend_create_dynamic_sections \
4386 _bfd_elf_create_dynamic_sections
4387#define bfd_elf32_bfd_final_link \
c152c796 4388 bfd_elf_gc_common_final_link
915e5146 4389#define elf_backend_hide_symbol elf_cris_hide_symbol
99e4ae17 4390#define elf_backend_reloc_type_class elf_cris_reloc_type_class
915e5146
HPN		 4391
4392#define elf_backend_want_got_plt 1
4393#define elf_backend_plt_readonly 1
4394#define elf_backend_want_plt_sym 0
4395#define elf_backend_got_header_size 12
100382c7 4396#define elf_backend_got_elt_size elf_cris_got_elt_size
915e5146 4397
06c15ad7
HPN		 4398/* Later, we my want to optimize RELA entries into REL entries for dynamic
4399 linking and libraries (if it's a win of any significance). Until then,
4400 take the easy route. */
4401#define elf_backend_may_use_rel_p 0
4402#define elf_backend_may_use_rela_p 1
f0fe0e16 4403#define elf_backend_rela_normal 1
06c15ad7
HPN		 4404
4405#include "elf32-target.h"
4da81684 4406
4da81684
HPN		 4407#undef TARGET_LITTLE_SYM
4408#undef TARGET_LITTLE_NAME
4409#undef elf_symbol_leading_char
4410
4411#define TARGET_LITTLE_SYM bfd_elf32_us_cris_vec
4412#define TARGET_LITTLE_NAME "elf32-us-cris"
4413#define elf_symbol_leading_char '_'
16cecee5
L		 4414#undef elf32_bed
4415#define elf32_bed elf32_us_cris_bed
4da81684
HPN		 4416
4417#include "elf32-target.h"
GDB Binutils - Deliverables
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