Fix for PR ld/16044: elf32-cris.c h->plt.refcount inconsistency
[deliverable/binutils-gdb.git] / bfd / elf32-cris.c
CommitLineData
06c15ad7 1/* CRIS-specific support for 32-bit ELF.
2571583a 2 Copyright (C) 2000-2017 Free Software Foundation, Inc.
06c15ad7
HPN
3 Contributed by Axis Communications AB.
4 Written by Hans-Peter Nilsson, based on elf32-fr30.c
915e5146 5 PIC and shlib bits based primarily on elf32-m68k.c and elf32-i386.c.
06c15ad7 6
ae9a127f 7 This file is part of BFD, the Binary File Descriptor library.
06c15ad7 8
ae9a127f
NC
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
cd123cb7 11 the Free Software Foundation; either version 3 of the License, or
ae9a127f 12 (at your option) any later version.
06c15ad7 13
ae9a127f
NC
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
06c15ad7 18
ae9a127f
NC
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
cd123cb7
NC
21 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
22 MA 02110-1301, USA. */
06c15ad7 23
06c15ad7 24#include "sysdep.h"
3db64b00 25#include "bfd.h"
06c15ad7
HPN
26#include "libbfd.h"
27#include "elf-bfd.h"
28#include "elf/cris.h"
100382c7 29#include <limits.h>
06c15ad7 30
2c3fc389
NC
31bfd_reloc_status_type
32cris_elf_pcrel_reloc (bfd *, arelent *, asymbol *, void *,
33 asection *, bfd *, char **);
34static bfd_boolean
35cris_elf_set_mach_from_flags (bfd *, unsigned long);
915e5146 36
2c3fc389 37/* Forward declarations. */
06c15ad7
HPN
38static reloc_howto_type cris_elf_howto_table [] =
39{
40 /* This reloc does nothing. */
41 HOWTO (R_CRIS_NONE, /* type */
42 0, /* rightshift */
6346d5ca
AM
43 3, /* size (0 = byte, 1 = short, 2 = long) */
44 0, /* bitsize */
b34976b6 45 FALSE, /* pc_relative */
06c15ad7 46 0, /* bitpos */
6346d5ca 47 complain_overflow_dont, /* complain_on_overflow */
06c15ad7
HPN
48 bfd_elf_generic_reloc, /* special_function */
49 "R_CRIS_NONE", /* name */
b34976b6 50 FALSE, /* partial_inplace */
06c15ad7
HPN
51 0, /* src_mask */
52 0, /* dst_mask */
b34976b6 53 FALSE), /* pcrel_offset */
06c15ad7
HPN
54
55 /* An 8 bit absolute relocation. */
56 HOWTO (R_CRIS_8, /* type */
57 0, /* rightshift */
58 0, /* size (0 = byte, 1 = short, 2 = long) */
59 8, /* bitsize */
b34976b6 60 FALSE, /* pc_relative */
06c15ad7
HPN
61 0, /* bitpos */
62 complain_overflow_bitfield, /* complain_on_overflow */
63 bfd_elf_generic_reloc, /* special_function */
64 "R_CRIS_8", /* name */
b34976b6 65 FALSE, /* partial_inplace */
06c15ad7
HPN
66 0x0000, /* src_mask */
67 0x00ff, /* dst_mask */
b34976b6 68 FALSE), /* pcrel_offset */
06c15ad7
HPN
69
70 /* A 16 bit absolute relocation. */
71 HOWTO (R_CRIS_16, /* type */
72 0, /* rightshift */
73 1, /* size (0 = byte, 1 = short, 2 = long) */
74 16, /* bitsize */
b34976b6 75 FALSE, /* pc_relative */
06c15ad7
HPN
76 0, /* bitpos */
77 complain_overflow_bitfield, /* complain_on_overflow */
78 bfd_elf_generic_reloc, /* special_function */
79 "R_CRIS_16", /* name */
b34976b6 80 FALSE, /* partial_inplace */
06c15ad7
HPN
81 0x00000000, /* src_mask */
82 0x0000ffff, /* dst_mask */
b34976b6 83 FALSE), /* pcrel_offset */
06c15ad7
HPN
84
85 /* A 32 bit absolute relocation. */
86 HOWTO (R_CRIS_32, /* type */
87 0, /* rightshift */
88 2, /* size (0 = byte, 1 = short, 2 = long) */
89 32, /* bitsize */
b34976b6 90 FALSE, /* pc_relative */
06c15ad7 91 0, /* bitpos */
b2efcd36
HPN
92 /* We don't want overflow complaints for 64-bit vma builds
93 for e.g. sym+0x40000000 (or actually sym-0xc0000000 in
94 32-bit ELF) where sym=0xc0001234.
95 Don't do this for the PIC relocs, as we don't expect to
96 see them with large offsets. */
97 complain_overflow_dont, /* complain_on_overflow */
06c15ad7
HPN
98 bfd_elf_generic_reloc, /* special_function */
99 "R_CRIS_32", /* name */
b34976b6 100 FALSE, /* partial_inplace */
06c15ad7
HPN
101 0x00000000, /* src_mask */
102 0xffffffff, /* dst_mask */
b34976b6 103 FALSE), /* pcrel_offset */
06c15ad7 104
915e5146 105 /* An 8 bit PC-relative relocation. */
06c15ad7
HPN
106 HOWTO (R_CRIS_8_PCREL, /* type */
107 0, /* rightshift */
108 0, /* size (0 = byte, 1 = short, 2 = long) */
109 8, /* bitsize */
b34976b6 110 TRUE, /* pc_relative */
06c15ad7
HPN
111 0, /* bitpos */
112 complain_overflow_bitfield, /* complain_on_overflow */
bac23f82 113 cris_elf_pcrel_reloc, /* special_function */
06c15ad7 114 "R_CRIS_8_PCREL", /* name */
b34976b6 115 FALSE, /* partial_inplace */
06c15ad7
HPN
116 0x0000, /* src_mask */
117 0x00ff, /* dst_mask */
b34976b6 118 TRUE), /* pcrel_offset */
06c15ad7 119
915e5146 120 /* A 16 bit PC-relative relocation. */
06c15ad7
HPN
121 HOWTO (R_CRIS_16_PCREL, /* type */
122 0, /* rightshift */
123 1, /* size (0 = byte, 1 = short, 2 = long) */
124 16, /* bitsize */
b34976b6 125 TRUE, /* pc_relative */
06c15ad7
HPN
126 0, /* bitpos */
127 complain_overflow_bitfield, /* complain_on_overflow */
bac23f82 128 cris_elf_pcrel_reloc, /* special_function */
44aa49bb 129 "R_CRIS_16_PCREL", /* name */
b34976b6 130 FALSE, /* partial_inplace */
06c15ad7
HPN
131 0x00000000, /* src_mask */
132 0x0000ffff, /* dst_mask */
b34976b6 133 TRUE), /* pcrel_offset */
06c15ad7 134
915e5146 135 /* A 32 bit PC-relative relocation. */
06c15ad7
HPN
136 HOWTO (R_CRIS_32_PCREL, /* type */
137 0, /* rightshift */
138 2, /* size (0 = byte, 1 = short, 2 = long) */
139 32, /* bitsize */
b34976b6 140 TRUE, /* pc_relative */
06c15ad7
HPN
141 0, /* bitpos */
142 complain_overflow_bitfield, /* complain_on_overflow */
bac23f82 143 cris_elf_pcrel_reloc, /* special_function */
44aa49bb 144 "R_CRIS_32_PCREL", /* name */
b34976b6 145 FALSE, /* partial_inplace */
06c15ad7
HPN
146 0x00000000, /* src_mask */
147 0xffffffff, /* dst_mask */
b34976b6 148 TRUE), /* pcrel_offset */
06c15ad7 149
915e5146
HPN
150 /* GNU extension to record C++ vtable hierarchy. */
151 HOWTO (R_CRIS_GNU_VTINHERIT, /* type */
06c15ad7
HPN
152 0, /* rightshift */
153 2, /* size (0 = byte, 1 = short, 2 = long) */
154 0, /* bitsize */
b34976b6 155 FALSE, /* pc_relative */
06c15ad7
HPN
156 0, /* bitpos */
157 complain_overflow_dont, /* complain_on_overflow */
158 NULL, /* special_function */
159 "R_CRIS_GNU_VTINHERIT", /* name */
b34976b6 160 FALSE, /* partial_inplace */
06c15ad7
HPN
161 0, /* src_mask */
162 0, /* dst_mask */
b34976b6 163 FALSE), /* pcrel_offset */
06c15ad7 164
915e5146
HPN
165 /* GNU extension to record C++ vtable member usage. */
166 HOWTO (R_CRIS_GNU_VTENTRY, /* type */
06c15ad7
HPN
167 0, /* rightshift */
168 2, /* size (0 = byte, 1 = short, 2 = long) */
169 0, /* bitsize */
b34976b6 170 FALSE, /* pc_relative */
06c15ad7
HPN
171 0, /* bitpos */
172 complain_overflow_dont, /* complain_on_overflow */
173 _bfd_elf_rel_vtable_reloc_fn, /* special_function */
174 "R_CRIS_GNU_VTENTRY", /* name */
b34976b6 175 FALSE, /* partial_inplace */
06c15ad7
HPN
176 0, /* src_mask */
177 0, /* dst_mask */
b34976b6 178 FALSE), /* pcrel_offset */
915e5146
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179
180 /* This is used only by the dynamic linker. The symbol should exist
181 both in the object being run and in some shared library. The
182 dynamic linker copies the data addressed by the symbol from the
183 shared library into the object, because the object being
184 run has to have the data at some particular address. */
185 HOWTO (R_CRIS_COPY, /* type */
186 0, /* rightshift */
187 2, /* size (0 = byte, 1 = short, 2 = long) */
188 32, /* bitsize */
b34976b6 189 FALSE, /* pc_relative */
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HPN
190 0, /* bitpos */
191 complain_overflow_bitfield, /* complain_on_overflow */
192 bfd_elf_generic_reloc, /* special_function */
193 "R_CRIS_COPY", /* name */
b34976b6 194 FALSE, /* partial_inplace */
915e5146
HPN
195 0, /* src_mask */
196 0, /* dst_mask */
b34976b6 197 FALSE), /* pcrel_offset */
915e5146
HPN
198
199 /* Like R_CRIS_32, but used when setting global offset table entries. */
200 HOWTO (R_CRIS_GLOB_DAT, /* type */
201 0, /* rightshift */
202 2, /* size (0 = byte, 1 = short, 2 = long) */
203 32, /* bitsize */
b34976b6 204 FALSE, /* pc_relative */
915e5146
HPN
205 0, /* bitpos */
206 complain_overflow_bitfield, /* complain_on_overflow */
207 bfd_elf_generic_reloc, /* special_function */
208 "R_CRIS_GLOB_DAT", /* name */
b34976b6 209 FALSE, /* partial_inplace */
915e5146
HPN
210 0, /* src_mask */
211 0xffffffff, /* dst_mask */
b34976b6 212 FALSE), /* pcrel_offset */
915e5146
HPN
213
214 /* Marks a procedure linkage table entry for a symbol. */
215 HOWTO (R_CRIS_JUMP_SLOT, /* type */
216 0, /* rightshift */
217 2, /* size (0 = byte, 1 = short, 2 = long) */
218 32, /* bitsize */
b34976b6 219 FALSE, /* pc_relative */
915e5146
HPN
220 0, /* bitpos */
221 complain_overflow_bitfield, /* complain_on_overflow */
222 bfd_elf_generic_reloc, /* special_function */
223 "R_CRIS_JUMP_SLOT", /* name */
b34976b6 224 FALSE, /* partial_inplace */
915e5146
HPN
225 0, /* src_mask */
226 0, /* dst_mask */
b34976b6 227 FALSE), /* pcrel_offset */
915e5146
HPN
228
229 /* Used only by the dynamic linker. When the object is run, this
230 longword is set to the load address of the object, plus the
231 addend. */
232 HOWTO (R_CRIS_RELATIVE, /* type */
233 0, /* rightshift */
234 2, /* size (0 = byte, 1 = short, 2 = long) */
235 32, /* bitsize */
b34976b6 236 FALSE, /* pc_relative */
915e5146
HPN
237 0, /* bitpos */
238 complain_overflow_bitfield, /* complain_on_overflow */
239 bfd_elf_generic_reloc, /* special_function */
240 "R_CRIS_RELATIVE", /* name */
b34976b6 241 FALSE, /* partial_inplace */
915e5146
HPN
242 0, /* src_mask */
243 0xffffffff, /* dst_mask */
b34976b6 244 FALSE), /* pcrel_offset */
915e5146
HPN
245
246 /* Like R_CRIS_32, but referring to the GOT table entry for the symbol. */
247 HOWTO (R_CRIS_16_GOT, /* type */
248 0, /* rightshift */
249 1, /* size (0 = byte, 1 = short, 2 = long) */
250 16, /* bitsize */
b34976b6 251 FALSE, /* pc_relative */
915e5146
HPN
252 0, /* bitpos */
253 complain_overflow_bitfield, /* complain_on_overflow */
254 bfd_elf_generic_reloc, /* special_function */
255 "R_CRIS_16_GOT", /* name */
b34976b6 256 FALSE, /* partial_inplace */
915e5146
HPN
257 0, /* src_mask */
258 0xffff, /* dst_mask */
b34976b6 259 FALSE), /* pcrel_offset */
915e5146
HPN
260
261 HOWTO (R_CRIS_32_GOT, /* 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_32_GOT", /* 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 /* Like R_CRIS_32_GOT, but referring to (and requesting a) PLT part of
276 the GOT table for the symbol. */
277 HOWTO (R_CRIS_16_GOTPLT, /* type */
278 0, /* rightshift */
279 1, /* size (0 = byte, 1 = short, 2 = long) */
280 16, /* bitsize */
b34976b6 281 FALSE, /* pc_relative */
915e5146
HPN
282 0, /* bitpos */
283 complain_overflow_bitfield, /* complain_on_overflow */
284 bfd_elf_generic_reloc, /* special_function */
285 "R_CRIS_16_GOTPLT", /* name */
b34976b6 286 FALSE, /* partial_inplace */
915e5146
HPN
287 0, /* src_mask */
288 0xffff, /* dst_mask */
b34976b6 289 FALSE), /* pcrel_offset */
915e5146
HPN
290
291 HOWTO (R_CRIS_32_GOTPLT, /* type */
292 0, /* rightshift */
293 2, /* size (0 = byte, 1 = short, 2 = long) */
294 32, /* bitsize */
b34976b6 295 FALSE, /* pc_relative */
915e5146
HPN
296 0, /* bitpos */
297 complain_overflow_bitfield, /* complain_on_overflow */
298 bfd_elf_generic_reloc, /* special_function */
299 "R_CRIS_32_GOTPLT", /* name */
b34976b6 300 FALSE, /* partial_inplace */
915e5146
HPN
301 0, /* src_mask */
302 0xffffffff, /* dst_mask */
b34976b6 303 FALSE), /* pcrel_offset */
915e5146
HPN
304
305 /* A 32-bit offset from GOT to (local const) symbol: no GOT entry should
306 be necessary. */
307 HOWTO (R_CRIS_32_GOTREL, /* type */
308 0, /* rightshift */
309 2, /* size (0 = byte, 1 = short, 2 = long) */
310 32, /* bitsize */
b34976b6 311 FALSE, /* pc_relative */
915e5146
HPN
312 0, /* bitpos */
313 complain_overflow_bitfield, /* complain_on_overflow */
314 bfd_elf_generic_reloc, /* special_function */
315 "R_CRIS_32_GOTREL", /* name */
b34976b6 316 FALSE, /* partial_inplace */
915e5146
HPN
317 0, /* src_mask */
318 0xffffffff, /* dst_mask */
b34976b6 319 FALSE), /* pcrel_offset */
915e5146
HPN
320
321 /* A 32-bit offset from GOT to entry for this symbol in PLT and request
322 to create PLT entry for symbol. */
323 HOWTO (R_CRIS_32_PLT_GOTREL, /* type */
324 0, /* rightshift */
325 2, /* size (0 = byte, 1 = short, 2 = long) */
326 32, /* bitsize */
b34976b6 327 FALSE, /* pc_relative */
915e5146
HPN
328 0, /* bitpos */
329 complain_overflow_bitfield, /* complain_on_overflow */
330 bfd_elf_generic_reloc, /* special_function */
331 "R_CRIS_32_PLT_GOTREL", /* name */
b34976b6 332 FALSE, /* partial_inplace */
915e5146
HPN
333 0, /* src_mask */
334 0xffffffff, /* dst_mask */
b34976b6 335 FALSE), /* pcrel_offset */
915e5146
HPN
336
337 /* A 32-bit offset from PC (location after the relocation) + addend to
338 entry for this symbol in PLT and request to create PLT entry for
339 symbol. */
340 HOWTO (R_CRIS_32_PLT_PCREL, /* type */
341 0, /* rightshift */
342 2, /* size (0 = byte, 1 = short, 2 = long) */
343 32, /* bitsize */
b34976b6 344 TRUE, /* pc_relative */
915e5146
HPN
345 0, /* bitpos */
346 complain_overflow_bitfield, /* complain_on_overflow */
bac23f82 347 cris_elf_pcrel_reloc, /* special_function */
915e5146 348 "R_CRIS_32_PLT_PCREL", /* name */
b34976b6 349 FALSE, /* partial_inplace */
915e5146
HPN
350 0, /* src_mask */
351 0xffffffff, /* dst_mask */
3926fc54
HPN
352 TRUE), /* pcrel_offset */
353
354 /* We don't handle these in any special manner and cross-format
355 linking is not supported; just recognize them enough to pass them
356 around. FIXME: do the same for most PIC relocs and add sanity
357 tests to actually refuse gracefully to handle these and PIC
358 relocs for cross-format linking. */
359#define TLSHOWTO32(name) \
360 HOWTO (name, 0, 2, 32, FALSE, 0, complain_overflow_bitfield, \
361 bfd_elf_generic_reloc, #name, FALSE, 0, 0xffffffff, FALSE)
100382c7
HPN
362#define TLSHOWTO16X(name, X) \
363 HOWTO (name, 0, 1, 16, FALSE, 0, complain_overflow_ ## X, \
3926fc54 364 bfd_elf_generic_reloc, #name, FALSE, 0, 0xffff, FALSE)
100382c7
HPN
365#define TLSHOWTO16(name) TLSHOWTO16X(name, unsigned)
366#define TLSHOWTO16S(name) TLSHOWTO16X(name, signed)
3926fc54
HPN
367
368 TLSHOWTO32 (R_CRIS_32_GOT_GD),
369 TLSHOWTO16 (R_CRIS_16_GOT_GD),
370 TLSHOWTO32 (R_CRIS_32_GD),
371 TLSHOWTO32 (R_CRIS_DTP),
372 TLSHOWTO32 (R_CRIS_32_DTPREL),
100382c7 373 TLSHOWTO16S (R_CRIS_16_DTPREL),
3926fc54 374 TLSHOWTO32 (R_CRIS_32_GOT_TPREL),
100382c7 375 TLSHOWTO16S (R_CRIS_16_GOT_TPREL),
3926fc54 376 TLSHOWTO32 (R_CRIS_32_TPREL),
100382c7 377 TLSHOWTO16S (R_CRIS_16_TPREL),
75f500d7
HPN
378 TLSHOWTO32 (R_CRIS_DTPMOD),
379 TLSHOWTO32 (R_CRIS_32_IE)
06c15ad7
HPN
380};
381\f
382/* Map BFD reloc types to CRIS ELF reloc types. */
383
384struct cris_reloc_map
385{
386 bfd_reloc_code_real_type bfd_reloc_val;
387 unsigned int cris_reloc_val;
388};
389
390static const struct cris_reloc_map cris_reloc_map [] =
391{
392 { BFD_RELOC_NONE, R_CRIS_NONE },
393 { BFD_RELOC_8, R_CRIS_8 },
394 { BFD_RELOC_16, R_CRIS_16 },
395 { BFD_RELOC_32, R_CRIS_32 },
396 { BFD_RELOC_8_PCREL, R_CRIS_8_PCREL },
397 { BFD_RELOC_16_PCREL, R_CRIS_16_PCREL },
398 { BFD_RELOC_32_PCREL, R_CRIS_32_PCREL },
399 { BFD_RELOC_VTABLE_INHERIT, R_CRIS_GNU_VTINHERIT },
915e5146
HPN
400 { BFD_RELOC_VTABLE_ENTRY, R_CRIS_GNU_VTENTRY },
401 { BFD_RELOC_CRIS_COPY, R_CRIS_COPY },
402 { BFD_RELOC_CRIS_GLOB_DAT, R_CRIS_GLOB_DAT },
403 { BFD_RELOC_CRIS_JUMP_SLOT, R_CRIS_JUMP_SLOT },
404 { BFD_RELOC_CRIS_RELATIVE, R_CRIS_RELATIVE },
405 { BFD_RELOC_CRIS_16_GOT, R_CRIS_16_GOT },
406 { BFD_RELOC_CRIS_32_GOT, R_CRIS_32_GOT },
407 { BFD_RELOC_CRIS_16_GOTPLT, R_CRIS_16_GOTPLT },
408 { BFD_RELOC_CRIS_32_GOTPLT, R_CRIS_32_GOTPLT },
409 { BFD_RELOC_CRIS_32_GOTREL, R_CRIS_32_GOTREL },
410 { BFD_RELOC_CRIS_32_PLT_GOTREL, R_CRIS_32_PLT_GOTREL },
3926fc54
HPN
411 { BFD_RELOC_CRIS_32_PLT_PCREL, R_CRIS_32_PLT_PCREL },
412 { BFD_RELOC_CRIS_32_GOT_GD, R_CRIS_32_GOT_GD },
413 { BFD_RELOC_CRIS_16_GOT_GD, R_CRIS_16_GOT_GD },
414 { BFD_RELOC_CRIS_32_GD, R_CRIS_32_GD },
415 { BFD_RELOC_CRIS_DTP, R_CRIS_DTP },
416 { BFD_RELOC_CRIS_32_DTPREL, R_CRIS_32_DTPREL },
417 { BFD_RELOC_CRIS_16_DTPREL, R_CRIS_16_DTPREL },
418 { BFD_RELOC_CRIS_32_GOT_TPREL, R_CRIS_32_GOT_TPREL },
419 { BFD_RELOC_CRIS_16_GOT_TPREL, R_CRIS_16_GOT_TPREL },
420 { BFD_RELOC_CRIS_32_TPREL, R_CRIS_32_TPREL },
421 { BFD_RELOC_CRIS_16_TPREL, R_CRIS_16_TPREL },
75f500d7
HPN
422 { BFD_RELOC_CRIS_DTPMOD, R_CRIS_DTPMOD },
423 { BFD_RELOC_CRIS_32_IE, R_CRIS_32_IE }
06c15ad7
HPN
424};
425
426static reloc_howto_type *
2c3fc389
NC
427cris_reloc_type_lookup (bfd * abfd ATTRIBUTE_UNUSED,
428 bfd_reloc_code_real_type code)
06c15ad7 429{
908d94bf 430 unsigned int i;
06c15ad7 431
908d94bf 432 for (i = 0; i < sizeof (cris_reloc_map) / sizeof (cris_reloc_map[0]); i++)
06c15ad7
HPN
433 if (cris_reloc_map [i].bfd_reloc_val == code)
434 return & cris_elf_howto_table [cris_reloc_map[i].cris_reloc_val];
a7c10850 435
06c15ad7
HPN
436 return NULL;
437}
438
157090f7
AM
439static reloc_howto_type *
440cris_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, const char *r_name)
441{
442 unsigned int i;
443
444 for (i = 0;
445 i < sizeof (cris_elf_howto_table) / sizeof (cris_elf_howto_table[0]);
446 i++)
447 if (cris_elf_howto_table[i].name != NULL
448 && strcasecmp (cris_elf_howto_table[i].name, r_name) == 0)
449 return &cris_elf_howto_table[i];
450
451 return NULL;
452}
453
06c15ad7
HPN
454/* Set the howto pointer for an CRIS ELF reloc. */
455
456static void
2c3fc389
NC
457cris_info_to_howto_rela (bfd * abfd ATTRIBUTE_UNUSED,
458 arelent * cache_ptr,
459 Elf_Internal_Rela * dst)
06c15ad7 460{
100382c7 461 enum elf_cris_reloc_type r_type;
06c15ad7
HPN
462
463 r_type = ELF32_R_TYPE (dst->r_info);
5860e3f8
NC
464 if (r_type >= R_CRIS_max)
465 {
695344c0 466 /* xgettext:c-format */
64d29018 467 _bfd_error_handler (_("%B: invalid CRIS reloc number: %d"), abfd, r_type);
5860e3f8
NC
468 r_type = 0;
469 }
06c15ad7
HPN
470 cache_ptr->howto = & cris_elf_howto_table [r_type];
471}
bac23f82
HPN
472
473bfd_reloc_status_type
2c3fc389
NC
474cris_elf_pcrel_reloc (bfd *abfd ATTRIBUTE_UNUSED,
475 arelent *reloc_entry,
476 asymbol *symbol,
477 void * data ATTRIBUTE_UNUSED,
478 asection *input_section,
479 bfd *output_bfd,
480 char **error_message ATTRIBUTE_UNUSED)
bac23f82
HPN
481{
482 /* By default (using only bfd_elf_generic_reloc when linking to
483 non-ELF formats) PC-relative relocs are relative to the beginning
484 of the reloc. CRIS PC-relative relocs are relative to the position
485 *after* the reloc because that's what pre-CRISv32 PC points to
486 after reading an insn field with that reloc. (For CRISv32, PC is
487 actually relative to the start of the insn, but we keep the old
488 definition.) Still, we use as much generic machinery as we can.
489
490 Only adjust when doing a final link. */
491 if (output_bfd == (bfd *) NULL)
492 reloc_entry->addend -= 1 << reloc_entry->howto->size;
493
494 return
495 bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
496 input_section, output_bfd, error_message);
497}
06c15ad7 498\f
bac23f82
HPN
499/* Support for core dump NOTE sections.
500 The slightly unintuitive code layout is an attempt to keep at least
501 some similarities with other ports, hoping to simplify general
502 changes, while still keeping Linux/CRIS and Linux/CRISv32 code apart. */
72209a1f 503
b34976b6 504static bfd_boolean
2c3fc389 505cris_elf_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
72209a1f
HPN
506{
507 int offset;
eea6121a 508 size_t size;
72209a1f 509
bac23f82
HPN
510 if (bfd_get_mach (abfd) == bfd_mach_cris_v32)
511 switch (note->descsz)
512 {
513 default:
514 return FALSE;
515
516 case 202: /* Linux/CRISv32 */
517 /* pr_cursig */
228e534f 518 elf_tdata (abfd)->core->signal = bfd_get_16 (abfd, note->descdata + 12);
bac23f82
HPN
519
520 /* pr_pid */
228e534f 521 elf_tdata (abfd)->core->lwpid = bfd_get_32 (abfd, note->descdata + 22);
bac23f82
HPN
522
523 /* pr_reg */
524 offset = 70;
525 size = 128;
526
527 break;
528 }
529 else
530 switch (note->descsz)
531 {
72209a1f 532 default:
b34976b6 533 return FALSE;
72209a1f 534
bc0d28ee 535 case 214: /* Linux/CRIS */
72209a1f 536 /* pr_cursig */
228e534f 537 elf_tdata (abfd)->core->signal = bfd_get_16 (abfd, note->descdata + 12);
72209a1f
HPN
538
539 /* pr_pid */
228e534f 540 elf_tdata (abfd)->core->lwpid = bfd_get_32 (abfd, note->descdata + 22);
72209a1f
HPN
541
542 /* pr_reg */
543 offset = 70;
eea6121a 544 size = 140;
72209a1f
HPN
545
546 break;
bac23f82 547 }
72209a1f
HPN
548
549 /* Make a ".reg/999" section. */
550 return _bfd_elfcore_make_pseudosection (abfd, ".reg",
eea6121a 551 size, note->descpos + offset);
72209a1f
HPN
552}
553
b34976b6 554static bfd_boolean
2c3fc389 555cris_elf_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
72209a1f 556{
bac23f82
HPN
557 if (bfd_get_mach (abfd) == bfd_mach_cris_v32)
558 switch (note->descsz)
559 {
560 default:
561 return FALSE;
562
563 case 124: /* Linux/CRISv32 elf_prpsinfo */
228e534f 564 elf_tdata (abfd)->core->program
bac23f82 565 = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
228e534f 566 elf_tdata (abfd)->core->command
bac23f82
HPN
567 = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
568 }
569 else
570 switch (note->descsz)
571 {
72209a1f 572 default:
b34976b6 573 return FALSE;
72209a1f
HPN
574
575 case 124: /* Linux/CRIS elf_prpsinfo */
228e534f 576 elf_tdata (abfd)->core->program
bac23f82 577 = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
228e534f 578 elf_tdata (abfd)->core->command
bac23f82
HPN
579 = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
580 }
72209a1f
HPN
581
582 /* Note that for some reason, a spurious space is tacked
583 onto the end of the args in some (at least one anyway)
584 implementations, so strip it off if it exists. */
585
586 {
228e534f 587 char *command = elf_tdata (abfd)->core->command;
72209a1f
HPN
588 int n = strlen (command);
589
590 if (0 < n && command[n - 1] == ' ')
591 command[n - 1] = '\0';
592 }
593
b34976b6 594 return TRUE;
72209a1f
HPN
595}
596\f
915e5146
HPN
597/* The name of the dynamic interpreter. This is put in the .interp
598 section. */
599
600#define ELF_DYNAMIC_INTERPRETER "/lib/ld.so.1"
601
602/* The size in bytes of an entry in the procedure linkage table. */
603
604#define PLT_ENTRY_SIZE 20
bac23f82 605#define PLT_ENTRY_SIZE_V32 26
915e5146
HPN
606
607/* The first entry in an absolute procedure linkage table looks like this. */
608
609static const bfd_byte elf_cris_plt0_entry[PLT_ENTRY_SIZE] =
610{
611 0xfc, 0xe1,
cedb70c5 612 0x7e, 0x7e, /* push mof. */
915e5146
HPN
613 0x7f, 0x0d, /* (dip [pc+]) */
614 0, 0, 0, 0, /* Replaced with address of .got + 4. */
615 0x30, 0x7a, /* move [...],mof */
616 0x7f, 0x0d, /* (dip [pc+]) */
617 0, 0, 0, 0, /* Replaced with address of .got + 8. */
bac23f82
HPN
618 0x30, 0x09 /* jump [...] */
619};
620
621static const bfd_byte elf_cris_plt0_entry_v32[PLT_ENTRY_SIZE_V32] =
622{
623 0x84, 0xe2, /* subq 4,$sp */
624 0x6f, 0xfe, /* move.d 0,$acr */
625 0, 0, 0, 0, /* Replaced by address of .got + 4. */
626 0x7e, 0x7a, /* move $mof,[$sp] */
627 0x3f, 0x7a, /* move [$acr],$mof */
628 0x04, 0xf2, /* addq 4,acr */
629 0x6f, 0xfa, /* move.d [$acr],$acr */
630 0xbf, 0x09, /* jump $acr */
631 0xb0, 0x05, /* nop */
632 0, 0 /* Pad out to 26 bytes. */
915e5146
HPN
633};
634
635/* Subsequent entries in an absolute procedure linkage table look like
636 this. */
637
638static const bfd_byte elf_cris_plt_entry[PLT_ENTRY_SIZE] =
639{
640 0x7f, 0x0d, /* (dip [pc+]) */
641 0, 0, 0, 0, /* Replaced with address of this symbol in .got. */
642 0x30, 0x09, /* jump [...] */
643 0x3f, 0x7e, /* move [pc+],mof */
644 0, 0, 0, 0, /* Replaced with offset into relocation table. */
645 0x2f, 0xfe, /* add.d [pc+],pc */
646 0xec, 0xff,
647 0xff, 0xff /* Replaced with offset to start of .plt. */
648};
649
bac23f82
HPN
650static const bfd_byte elf_cris_plt_entry_v32[PLT_ENTRY_SIZE_V32] =
651{
652 0x6f, 0xfe, /* move.d 0,$acr */
653 0, 0, 0, 0, /* Replaced with address of this symbol in .got. */
654 0x6f, 0xfa, /* move.d [$acr],$acr */
655 0xbf, 0x09, /* jump $acr */
656 0xb0, 0x05, /* nop */
657 0x3f, 0x7e, /* move 0,mof */
658 0, 0, 0, 0, /* Replaced with offset into relocation table. */
659 0xbf, 0x0e, /* ba start_of_plt0_entry */
660 0, 0, 0, 0, /* Replaced with offset to plt0 entry. */
661 0xb0, 0x05 /* nop */
662};
663
915e5146
HPN
664/* The first entry in a PIC procedure linkage table looks like this. */
665
666static const bfd_byte elf_cris_pic_plt0_entry[PLT_ENTRY_SIZE] =
667{
668 0xfc, 0xe1, 0x7e, 0x7e, /* push mof */
669 0x04, 0x01, 0x30, 0x7a, /* move [r0+4],mof */
670 0x08, 0x01, 0x30, 0x09, /* jump [r0+8] */
671 0, 0, 0, 0, 0, 0, 0, 0, /* Pad out to 20 bytes. */
672};
673
bac23f82
HPN
674static const bfd_byte elf_cris_pic_plt0_entry_v32[PLT_ENTRY_SIZE_V32] =
675{
676 0x84, 0xe2, /* subq 4,$sp */
677 0x04, 0x01, /* addoq 4,$r0,$acr */
678 0x7e, 0x7a, /* move $mof,[$sp] */
679 0x3f, 0x7a, /* move [$acr],$mof */
680 0x04, 0xf2, /* addq 4,$acr */
681 0x6f, 0xfa, /* move.d [$acr],$acr */
682 0xbf, 0x09, /* jump $acr */
683 0xb0, 0x05, /* nop */
684 0, 0, /* Pad out to 26 bytes. */
685 0, 0, 0, 0,
686 0, 0, 0, 0
687};
688
915e5146
HPN
689/* Subsequent entries in a PIC procedure linkage table look like this. */
690
691static const bfd_byte elf_cris_pic_plt_entry[PLT_ENTRY_SIZE] =
692{
693 0x6f, 0x0d, /* (bdap [pc+].d,r0) */
694 0, 0, 0, 0, /* Replaced with offset of this symbol in .got. */
695 0x30, 0x09, /* jump [...] */
696 0x3f, 0x7e, /* move [pc+],mof */
697 0, 0, 0, 0, /* Replaced with offset into relocation table. */
698 0x2f, 0xfe, /* add.d [pc+],pc */
699 0xec, 0xff, /* Replaced with offset to start of .plt. */
700 0xff, 0xff
701};
bac23f82
HPN
702
703static const bfd_byte elf_cris_pic_plt_entry_v32[PLT_ENTRY_SIZE_V32] =
704{
705 0x6f, 0x0d, /* addo.d 0,$r0,$acr */
706 0, 0, 0, 0, /* Replaced with offset of this symbol in .got. */
707 0x6f, 0xfa, /* move.d [$acr],$acr */
708 0xbf, 0x09, /* jump $acr */
709 0xb0, 0x05, /* nop */
710 0x3f, 0x7e, /* move relocoffs,$mof */
711 0, 0, 0, 0, /* Replaced with offset into relocation table. */
712 0xbf, 0x0e, /* ba start_of_plt */
713 0, 0, 0, 0, /* Replaced with offset to start of .plt. */
714 0xb0, 0x05 /* nop */
715};
915e5146
HPN
716\f
717/* We copy elf32-m68k.c and elf32-i386.c for the basic linker hash bits
718 (and most other PIC/shlib stuff). Check that we don't drift away
719 without reason.
720
721 The CRIS linker, like the m68k and i386 linkers (and probably the rest
722 too) needs to keep track of the number of relocs that it decides to
723 copy in check_relocs for each symbol. This is so that it can discard
724 PC relative relocs if it doesn't need them when linking with
725 -Bsymbolic. We store the information in a field extending the regular
726 ELF linker hash table. */
727
728/* This structure keeps track of the number of PC relative relocs we have
729 copied for a given symbol. */
730
731struct elf_cris_pcrel_relocs_copied
732{
733 /* Next section. */
734 struct elf_cris_pcrel_relocs_copied *next;
0d08de41 735
915e5146
HPN
736 /* A section in dynobj. */
737 asection *section;
0d08de41 738
915e5146
HPN
739 /* Number of relocs copied in this section. */
740 bfd_size_type count;
0d08de41
HPN
741
742 /* Example of reloc being copied, for message. */
743 enum elf_cris_reloc_type r_type;
915e5146
HPN
744};
745
746/* CRIS ELF linker hash entry. */
747
748struct elf_cris_link_hash_entry
749{
750 struct elf_link_hash_entry root;
751
752 /* Number of PC relative relocs copied for this symbol. */
753 struct elf_cris_pcrel_relocs_copied *pcrel_relocs_copied;
754
755 /* The GOTPLT references are CRIS-specific; the goal is to avoid having
756 both a general GOT and a PLT-specific GOT entry for the same symbol,
757 when it is referenced both as a function and as a function pointer.
758
759 Number of GOTPLT references for a function. */
760 bfd_signed_vma gotplt_refcount;
761
762 /* Actual GOTPLT index for this symbol, if applicable, or zero if not
763 (zero is never used as an index). FIXME: We should be able to fold
764 this with gotplt_refcount in a union, like the got and plt unions in
765 elf_link_hash_entry. */
766 bfd_size_type gotplt_offset;
100382c7
HPN
767
768 /* The root.got.refcount is the sum of the regular reference counts
769 (this) and those members below. We have to keep a separate count
770 to track when we've found the first (or last) reference to a
771 regular got entry. The offset is in root.got.offset. */
772 bfd_signed_vma reg_got_refcount;
773
774 /* Similar to the above, the number of reloc references to this
775 symbols that need a R_CRIS_32_TPREL slot. The offset is in
776 root.got.offset, because this and .dtp_refcount can't validly
777 happen when there's also a regular GOT entry; that's invalid
778 input for which an error is emitted. */
779 bfd_signed_vma tprel_refcount;
780
781 /* Similar to the above, the number of reloc references to this
782 symbols that need a R_CRIS_DTP slot. The offset is in
783 root.got.offset; plus 4 if .tprel_refcount > 0. */
784 bfd_signed_vma dtp_refcount;
915e5146
HPN
785};
786
2c3fc389
NC
787static bfd_boolean
788elf_cris_discard_excess_dso_dynamics (struct elf_cris_link_hash_entry *,
789 void * );
790static bfd_boolean
791elf_cris_discard_excess_program_dynamics (struct elf_cris_link_hash_entry *,
792 void *);
793
100382c7
HPN
794/* The local_got_refcounts and local_got_offsets are a multiple of
795 LSNUM in size, namely LGOT_ALLOC_NELTS_FOR(LSNUM) (plus one for the
796 refcount for GOT itself, see code), with the summary / group offset
797 for local symbols located at offset N, reference counts for
798 ordinary (address) relocs at offset N + LSNUM, for R_CRIS_DTP
799 relocs at offset N + 2*LSNUM, and for R_CRIS_32_TPREL relocs at N +
800 3*LSNUM. */
801
802#define LGOT_REG_NDX(x) ((x) + symtab_hdr->sh_info)
803#define LGOT_DTP_NDX(x) ((x) + 2 * symtab_hdr->sh_info)
804#define LGOT_TPREL_NDX(x) ((x) + 3 * symtab_hdr->sh_info)
805#define LGOT_ALLOC_NELTS_FOR(x) ((x) * 4)
806
915e5146
HPN
807/* CRIS ELF linker hash table. */
808
809struct elf_cris_link_hash_table
810{
811 struct elf_link_hash_table root;
812
813 /* We can't use the PLT offset and calculate to get the GOTPLT offset,
814 since we try and avoid creating GOTPLT:s when there's already a GOT.
815 Instead, we keep and update the next available index here. */
816 bfd_size_type next_gotplt_entry;
100382c7
HPN
817
818 /* The number of R_CRIS_32_DTPREL and R_CRIS_16_DTPREL that have
819 been seen for any input; if != 0, then the constant-offset
820 R_CRIS_DTPMOD is needed for this DSO/executable. This turns
821 negative at relocation, so that we don't need an extra flag for
822 when the reloc is output. */
823 bfd_signed_vma dtpmod_refcount;
915e5146
HPN
824};
825
826/* Traverse a CRIS ELF linker hash table. */
827
828#define elf_cris_link_hash_traverse(table, func, info) \
829 (elf_link_hash_traverse \
830 (&(table)->root, \
4dfe6ac6 831 (bfd_boolean (*) (struct elf_link_hash_entry *, void *)) (func), \
915e5146
HPN
832 (info)))
833
834/* Get the CRIS ELF linker hash table from a link_info structure. */
835
836#define elf_cris_hash_table(p) \
4dfe6ac6
NC
837 (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
838 == CRIS_ELF_DATA ? ((struct elf_cris_link_hash_table *) ((p)->hash)) : NULL)
915e5146 839
100382c7
HPN
840/* Get the CRIS ELF linker hash entry from a regular hash entry (the
841 "parent class"). The .root reference is just a simple type
842 check on the argument. */
843
844#define elf_cris_hash_entry(p) \
845 ((struct elf_cris_link_hash_entry *) (&(p)->root))
846
915e5146
HPN
847/* Create an entry in a CRIS ELF linker hash table. */
848
849static struct bfd_hash_entry *
4dfe6ac6
NC
850elf_cris_link_hash_newfunc (struct bfd_hash_entry *entry,
851 struct bfd_hash_table *table,
852 const char *string)
915e5146
HPN
853{
854 struct elf_cris_link_hash_entry *ret =
855 (struct elf_cris_link_hash_entry *) entry;
856
857 /* Allocate the structure if it has not already been allocated by a
858 subclass. */
859 if (ret == (struct elf_cris_link_hash_entry *) NULL)
860 ret = ((struct elf_cris_link_hash_entry *)
861 bfd_hash_allocate (table,
862 sizeof (struct elf_cris_link_hash_entry)));
863 if (ret == (struct elf_cris_link_hash_entry *) NULL)
864 return (struct bfd_hash_entry *) ret;
865
866 /* Call the allocation method of the superclass. */
867 ret = ((struct elf_cris_link_hash_entry *)
868 _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
869 table, string));
870 if (ret != (struct elf_cris_link_hash_entry *) NULL)
871 {
872 ret->pcrel_relocs_copied = NULL;
873 ret->gotplt_refcount = 0;
874 ret->gotplt_offset = 0;
100382c7
HPN
875 ret->dtp_refcount = 0;
876 ret->tprel_refcount = 0;
877 ret->reg_got_refcount = 0;
915e5146
HPN
878 }
879
880 return (struct bfd_hash_entry *) ret;
881}
882
883/* Create a CRIS ELF linker hash table. */
884
885static struct bfd_link_hash_table *
4dfe6ac6 886elf_cris_link_hash_table_create (bfd *abfd)
915e5146
HPN
887{
888 struct elf_cris_link_hash_table *ret;
dc810e39 889 bfd_size_type amt = sizeof (struct elf_cris_link_hash_table);
915e5146 890
7bf52ea2 891 ret = ((struct elf_cris_link_hash_table *) bfd_zmalloc (amt));
915e5146
HPN
892 if (ret == (struct elf_cris_link_hash_table *) NULL)
893 return NULL;
894
66eb6687
AM
895 if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
896 elf_cris_link_hash_newfunc,
4dfe6ac6
NC
897 sizeof (struct elf_cris_link_hash_entry),
898 CRIS_ELF_DATA))
915e5146 899 {
e2d34d7d 900 free (ret);
915e5146
HPN
901 return NULL;
902 }
903
904 /* Initialize to skip over the first three entries in the gotplt; they
905 are used for run-time symbol evaluation. */
906 ret->next_gotplt_entry = 12;
907
908 return &ret->root.root;
909}
910\f
06c15ad7 911/* Perform a single relocation. By default we use the standard BFD
915e5146 912 routines, with a few tweaks. */
06c15ad7
HPN
913
914static bfd_reloc_status_type
2c3fc389
NC
915cris_final_link_relocate (reloc_howto_type * howto,
916 bfd * input_bfd,
917 asection * input_section,
918 bfd_byte * contents,
919 Elf_Internal_Rela * rel,
920 bfd_vma relocation)
06c15ad7 921{
915e5146 922 bfd_reloc_status_type r;
100382c7 923 enum elf_cris_reloc_type r_type = ELF32_R_TYPE (rel->r_info);
915e5146
HPN
924
925 /* PC-relative relocations are relative to the position *after*
926 the reloc. Note that for R_CRIS_8_PCREL the adjustment is
927 not a single byte, since PC must be 16-bit-aligned. */
100382c7 928 switch (r_type)
915e5146
HPN
929 {
930 /* Check that the 16-bit GOT relocs are positive. */
931 case R_CRIS_16_GOTPLT:
932 case R_CRIS_16_GOT:
933 if ((bfd_signed_vma) relocation < 0)
934 return bfd_reloc_overflow;
935 break;
936
937 case R_CRIS_32_PLT_PCREL:
938 case R_CRIS_32_PCREL:
939 relocation -= 2;
940 /* Fall through. */
941 case R_CRIS_8_PCREL:
942 case R_CRIS_16_PCREL:
943 relocation -= 2;
944 break;
945
946 default:
947 break;
948 }
949
950 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
06c15ad7
HPN
951 contents, rel->r_offset,
952 relocation, rel->r_addend);
953 return r;
954}
955\f
100382c7
HPN
956
957/* The number of errors left before we stop outputting reloc-specific
958 explanatory messages. By coincidence, this works nicely together
959 with the default number of messages you'll get from LD about
960 "relocation truncated to fit" messages before you get an
961 "additional relocation overflows omitted from the output". */
962static int additional_relocation_error_msg_count = 10;
963
06c15ad7
HPN
964/* Relocate an CRIS ELF section. See elf32-fr30.c, from where this was
965 copied, for further comments. */
966
b34976b6 967static bfd_boolean
4dfe6ac6
NC
968cris_elf_relocate_section (bfd *output_bfd ATTRIBUTE_UNUSED,
969 struct bfd_link_info *info,
970 bfd *input_bfd,
971 asection *input_section,
972 bfd_byte *contents,
973 Elf_Internal_Rela *relocs,
974 Elf_Internal_Sym *local_syms,
975 asection **local_sections)
06c15ad7 976{
4dfe6ac6 977 struct elf_cris_link_hash_table * htab;
915e5146 978 bfd *dynobj;
b34976b6
AM
979 Elf_Internal_Shdr *symtab_hdr;
980 struct elf_link_hash_entry **sym_hashes;
915e5146
HPN
981 bfd_vma *local_got_offsets;
982 asection *sgot;
983 asection *splt;
984 asection *sreloc;
b34976b6
AM
985 Elf_Internal_Rela *rel;
986 Elf_Internal_Rela *relend;
100382c7 987 asection *srelgot;
06c15ad7 988
4dfe6ac6
NC
989 htab = elf_cris_hash_table (info);
990 if (htab == NULL)
991 return FALSE;
992
ce558b89 993 dynobj = htab->root.dynobj;
915e5146 994 local_got_offsets = elf_local_got_offsets (input_bfd);
06c15ad7
HPN
995 symtab_hdr = & elf_tdata (input_bfd)->symtab_hdr;
996 sym_hashes = elf_sym_hashes (input_bfd);
997 relend = relocs + input_section->reloc_count;
998
915e5146
HPN
999 sgot = NULL;
1000 splt = NULL;
1001 sreloc = NULL;
100382c7 1002 srelgot = NULL;
915e5146
HPN
1003
1004 if (dynobj != NULL)
1005 {
ce558b89
AM
1006 splt = htab->root.splt;
1007 sgot = htab->root.sgot;
915e5146
HPN
1008 }
1009
06c15ad7
HPN
1010 for (rel = relocs; rel < relend; rel ++)
1011 {
b34976b6
AM
1012 reloc_howto_type *howto;
1013 unsigned long r_symndx;
1014 Elf_Internal_Sym *sym;
1015 asection *sec;
1016 struct elf_link_hash_entry *h;
1017 bfd_vma relocation;
1018 bfd_reloc_status_type r;
1019 const char *symname = NULL;
100382c7 1020 enum elf_cris_reloc_type r_type;
a7c10850 1021
06c15ad7 1022 r_type = ELF32_R_TYPE (rel->r_info);
a7c10850 1023
06c15ad7
HPN
1024 if ( r_type == R_CRIS_GNU_VTINHERIT
1025 || r_type == R_CRIS_GNU_VTENTRY)
1026 continue;
a7c10850 1027
f0fe0e16 1028 r_symndx = ELF32_R_SYM (rel->r_info);
915e5146 1029 howto = cris_elf_howto_table + r_type;
06c15ad7
HPN
1030 h = NULL;
1031 sym = NULL;
1032 sec = NULL;
a7c10850 1033
06c15ad7
HPN
1034 if (r_symndx < symtab_hdr->sh_info)
1035 {
1036 sym = local_syms + r_symndx;
1037 sec = local_sections [r_symndx];
8517fae7 1038 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
a7c10850 1039
dc810e39
AM
1040 symname = (bfd_elf_string_from_elf_section
1041 (input_bfd, symtab_hdr->sh_link, sym->st_name));
1042 if (symname == NULL)
1043 symname = bfd_section_name (input_bfd, sec);
06c15ad7
HPN
1044 }
1045 else
1046 {
62d887d4 1047 bfd_boolean warned, ignored;
560e09e9 1048 bfd_boolean unresolved_reloc;
0a4787a0 1049
b2a8e766
AM
1050 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
1051 r_symndx, symtab_hdr, sym_hashes,
1052 h, sec, relocation,
62d887d4 1053 unresolved_reloc, warned, ignored);
915e5146 1054
100382c7
HPN
1055 symname = h->root.root.string;
1056
560e09e9 1057 if (unresolved_reloc
915e5146
HPN
1058 /* Perhaps we should detect the cases that
1059 sec->output_section is expected to be NULL like i386 and
1060 m68k, but apparently (and according to elfxx-ia64.c) all
1061 valid cases are where the symbol is defined in a shared
1062 object which we link dynamically against. This includes
1063 PLT relocs for which we've created a PLT entry and other
1064 relocs for which we're prepared to create dynamic
1065 relocations.
1066
1067 For now, new situations cause us to just err when
1068 sec->output_offset is NULL but the object with the symbol
1069 is *not* dynamically linked against. Thus this will
1070 automatically remind us so we can see if there are other
1071 valid cases we need to revisit. */
560e09e9
NC
1072 && (sec->owner->flags & DYNAMIC) != 0)
1073 relocation = 0;
1074
1075 else if (h->root.type == bfd_link_hash_defined
1076 || h->root.type == bfd_link_hash_defweak)
1077 {
1078 /* Here follow the cases where the relocation value must
1079 be zero (or when further handling is simplified when
1080 zero). I can't claim to understand the various
1081 conditions and they weren't described in the files
1082 where I copied them from (elf32-m68k.c and
1083 elf32-i386.c), but let's mention examples of where
1084 they happen. FIXME: Perhaps define and use a
1085 dynamic_symbol_p function like ia64.
1086
1087 - When creating a shared library, we can have an
1088 ordinary relocation for a symbol defined in a shared
1089 library (perhaps the one we create). We then make
1090 the relocation value zero, as the value seen now will
1091 be added into the relocation addend in this shared
1092 library, but must be handled only at dynamic-link
1093 time. FIXME: Not sure this example covers the
1094 h->elf_link_hash_flags test, though it's there in
1095 other targets. */
0e1862bb 1096 if (bfd_link_pic (info)
cb1c8103 1097 && ((!SYMBOLIC_BIND (info, h) && h->dynindx != -1)
f5385ebf 1098 || !h->def_regular)
560e09e9
NC
1099 && (input_section->flags & SEC_ALLOC) != 0
1100 && (r_type == R_CRIS_8
1101 || r_type == R_CRIS_16
1102 || r_type == R_CRIS_32
1103 || r_type == R_CRIS_8_PCREL
1104 || r_type == R_CRIS_16_PCREL
1105 || r_type == R_CRIS_32_PCREL))
915e5146 1106 relocation = 0;
0e1862bb 1107 else if (!bfd_link_relocatable (info) && unresolved_reloc
1d5316ab
AM
1108 && (_bfd_elf_section_offset (output_bfd, info,
1109 input_section,
1110 rel->r_offset)
1111 != (bfd_vma) -1))
915e5146 1112 {
560e09e9 1113 _bfd_error_handler
695344c0 1114 /* xgettext:c-format */
bac23f82 1115 (_("%B, section %A: unresolvable relocation %s against symbol `%s'"),
d003868e
AM
1116 input_bfd,
1117 input_section,
8f615d07 1118 cris_elf_howto_table[r_type].name,
d003868e 1119 symname);
915e5146 1120 bfd_set_error (bfd_error_bad_value);
b34976b6 1121 return FALSE;
915e5146 1122 }
06c15ad7 1123 }
06c15ad7 1124 }
a7c10850 1125
dbaa2011 1126 if (sec != NULL && discarded_section (sec))
e4067dbb 1127 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
545fd46b 1128 rel, 1, relend, howto, 0, contents);
ab96bf03 1129
0e1862bb 1130 if (bfd_link_relocatable (info))
ab96bf03
AM
1131 continue;
1132
915e5146 1133 switch (r_type)
06c15ad7 1134 {
915e5146
HPN
1135 case R_CRIS_16_GOTPLT:
1136 case R_CRIS_32_GOTPLT:
1137 /* This is like the case for R_CRIS_32_GOT and R_CRIS_16_GOT,
1138 but we require a PLT, and the PLT handling will take care of
1139 filling in the PLT-specific GOT entry. For the GOT offset,
1140 calculate it as we do when filling it in for the .got.plt
1141 section. If we don't have a PLT, punt to GOT handling. */
1142 if (h != NULL
1143 && ((struct elf_cris_link_hash_entry *) h)->gotplt_offset != 0)
06c15ad7 1144 {
ce558b89 1145 asection *sgotplt = htab->root.sgotplt;
915e5146 1146 bfd_vma got_offset;
a7c10850 1147
915e5146
HPN
1148 BFD_ASSERT (h->dynindx != -1);
1149 BFD_ASSERT (sgotplt != NULL);
a7c10850 1150
915e5146
HPN
1151 got_offset
1152 = ((struct elf_cris_link_hash_entry *) h)->gotplt_offset;
06c15ad7 1153
915e5146 1154 relocation = got_offset;
06c15ad7 1155 break;
915e5146 1156 }
06c15ad7 1157
4d96d128 1158 /* We didn't make a PLT entry for this symbol. Maybe everything is
915e5146
HPN
1159 folded into the GOT. Other than folding, this happens when
1160 statically linking PIC code, or when using -Bsymbolic. Check
1161 that we instead have a GOT entry as done for us by
1162 elf_cris_adjust_dynamic_symbol, and drop through into the
e4a2175c
HPN
1163 ordinary GOT cases. This must not happen for the
1164 executable, because any reference it does to a function
1165 that is satisfied by a DSO must generate a PLT. We assume
1166 these call-specific relocs don't address non-functions. */
1167 if (h != NULL
1168 && (h->got.offset == (bfd_vma) -1
0e1862bb 1169 || (!bfd_link_pic (info)
f5385ebf
AM
1170 && !(h->def_regular
1171 || (!h->def_dynamic
1172 && h->root.type == bfd_link_hash_undefweak)))))
915e5146 1173 {
4eca0228 1174 _bfd_error_handler
e4a2175c 1175 ((h->got.offset == (bfd_vma) -1)
695344c0 1176 /* xgettext:c-format */
bac23f82 1177 ? _("%B, section %A: No PLT nor GOT for relocation %s"
d003868e 1178 " against symbol `%s'")
695344c0 1179 /* xgettext:c-format */
bac23f82 1180 : _("%B, section %A: No PLT for relocation %s"
d003868e
AM
1181 " against symbol `%s'"),
1182 input_bfd,
1183 input_section,
915e5146 1184 cris_elf_howto_table[r_type].name,
ada1953e
HPN
1185 (symname != NULL && symname[0] != '\0'
1186 ? symname : _("[whose name is lost]")));
915e5146
HPN
1187
1188 /* FIXME: Perhaps blaming input is not the right thing to
1189 do; this is probably an internal error. But it is true
1190 that we didn't like that particular input. */
1191 bfd_set_error (bfd_error_bad_value);
b34976b6 1192 return FALSE;
915e5146
HPN
1193 }
1194 /* Fall through. */
1195
1196 /* The size of the actual relocation is not used here; we only
1197 fill in the GOT table here. */
1198 case R_CRIS_16_GOT:
1199 case R_CRIS_32_GOT:
1200 {
1201 bfd_vma off;
1202
1203 /* Note that despite using RELA relocations, the .got contents
1204 is always filled in with the link-relative relocation
1205 value; the addend. */
1206
1207 if (h != NULL)
1208 {
1209 off = h->got.offset;
1210 BFD_ASSERT (off != (bfd_vma) -1);
1211
1212 if (!elf_hash_table (info)->dynamic_sections_created
0e1862bb 1213 || (! bfd_link_pic (info)
f5385ebf 1214 && (h->def_regular
e4a2175c 1215 || h->type == STT_FUNC
f5385ebf 1216 || h->needs_plt))
0e1862bb 1217 || (bfd_link_pic (info)
cb1c8103 1218 && (SYMBOLIC_BIND (info, h) || h->dynindx == -1)
f5385ebf 1219 && h->def_regular))
915e5146 1220 {
0e1862bb 1221 /* This wasn't checked above for ! bfd_link_pic (info), but
e4a2175c
HPN
1222 must hold there if we get here; the symbol must
1223 be defined in the regular program or be undefweak
1224 or be a function or otherwise need a PLT. */
6849c52f 1225 BFD_ASSERT (!elf_hash_table (info)->dynamic_sections_created
0e1862bb 1226 || bfd_link_pic (info)
f5385ebf 1227 || h->def_regular
e4a2175c 1228 || h->type == STT_FUNC
f5385ebf 1229 || h->needs_plt
6849c52f 1230 || h->root.type == bfd_link_hash_undefweak);
4d96d128 1231
915e5146 1232 /* This is actually a static link, or it is a
6849c52f
HPN
1233 -Bsymbolic link and the symbol is defined locally,
1234 or is undefweak, or the symbol was forced to be
1235 local because of a version file, or we're not
1236 creating a dynamic object. We must initialize this
1237 entry in the global offset table. Since the offset
1238 must always be a multiple of 4, we use the least
1239 significant bit to record whether we have
1240 initialized it already.
1241
1242 If this GOT entry should be runtime-initialized, we
1243 will create a .rela.got relocation entry to
1244 initialize the value. This is done in the
1245 finish_dynamic_symbol routine. */
915e5146
HPN
1246 if ((off & 1) != 0)
1247 off &= ~1;
1248 else
1249 {
1250 bfd_put_32 (output_bfd, relocation,
1251 sgot->contents + off);
1252 h->got.offset |= 1;
1253 }
1254 }
1255 }
1256 else
1257 {
1258 BFD_ASSERT (local_got_offsets != NULL
1259 && local_got_offsets[r_symndx] != (bfd_vma) -1);
1260
1261 off = local_got_offsets[r_symndx];
1262
1263 /* The offset must always be a multiple of 4. We use
1264 the least significant bit to record whether we have
1265 already generated the necessary reloc. */
1266 if ((off & 1) != 0)
1267 off &= ~1;
1268 else
1269 {
1270 bfd_put_32 (output_bfd, relocation, sgot->contents + off);
1271
0e1862bb 1272 if (bfd_link_pic (info))
915e5146 1273 {
915e5146 1274 Elf_Internal_Rela outrel;
947216bf 1275 bfd_byte *loc;
915e5146 1276
ce558b89 1277 srelgot = htab->root.srelgot;
100382c7 1278 BFD_ASSERT (srelgot != NULL);
915e5146
HPN
1279
1280 outrel.r_offset = (sgot->output_section->vma
1281 + sgot->output_offset
1282 + off);
1283 outrel.r_info = ELF32_R_INFO (0, R_CRIS_RELATIVE);
1284 outrel.r_addend = relocation;
100382c7
HPN
1285 loc = srelgot->contents;
1286 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
947216bf 1287 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
915e5146
HPN
1288 }
1289
1290 local_got_offsets[r_symndx] |= 1;
1291 }
1292 }
1293
1294 relocation = sgot->output_offset + off;
1295 if (rel->r_addend != 0)
1296 {
1297 /* We can't do anything for a relocation which is against
1298 a symbol *plus offset*. GOT holds relocations for
1299 symbols. Make this an error; the compiler isn't
1300 allowed to pass us these kinds of things. */
1301 if (h == NULL)
4eca0228 1302 _bfd_error_handler
695344c0 1303 /* xgettext:c-format */
bac23f82 1304 (_("%B, section %A: relocation %s with non-zero addend %d"
d003868e
AM
1305 " against local symbol"),
1306 input_bfd,
1307 input_section,
915e5146 1308 cris_elf_howto_table[r_type].name,
d003868e 1309 rel->r_addend);
915e5146 1310 else
4eca0228 1311 _bfd_error_handler
695344c0 1312 /* xgettext:c-format */
bac23f82 1313 (_("%B, section %A: relocation %s with non-zero addend %d"
d003868e
AM
1314 " against symbol `%s'"),
1315 input_bfd,
1316 input_section,
915e5146
HPN
1317 cris_elf_howto_table[r_type].name,
1318 rel->r_addend,
d003868e 1319 symname[0] != '\0' ? symname : _("[whose name is lost]"));
915e5146
HPN
1320
1321 bfd_set_error (bfd_error_bad_value);
b34976b6 1322 return FALSE;
915e5146
HPN
1323 }
1324 }
1325 break;
06c15ad7 1326
915e5146 1327 case R_CRIS_32_GOTREL:
3dab95d3
HPN
1328 /* This relocation must only be performed against local symbols.
1329 It's also ok when we link a program and the symbol is either
1330 defined in an ordinary (non-DSO) object or is undefined weak. */
1331 if (h != NULL
1332 && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
0e1862bb 1333 && !(!bfd_link_pic (info)
f5385ebf
AM
1334 && (h->def_regular
1335 || (!h->def_dynamic
3dab95d3 1336 && h->root.type == bfd_link_hash_undefweak))))
915e5146 1337 {
4eca0228 1338 _bfd_error_handler
695344c0 1339 /* xgettext:c-format */
bac23f82
HPN
1340 (_("%B, section %A: relocation %s is"
1341 " not allowed for global symbol: `%s'"),
d003868e
AM
1342 input_bfd,
1343 input_section,
915e5146 1344 cris_elf_howto_table[r_type].name,
d003868e 1345 symname);
915e5146 1346 bfd_set_error (bfd_error_bad_value);
b34976b6 1347 return FALSE;
06c15ad7
HPN
1348 }
1349
58255df3
HPN
1350 /* This can happen if we get a link error with the input ELF
1351 variant mismatching the output variant. Emit an error so
1352 it's noticed if it happens elsewhere. */
1353 if (sgot == NULL)
1354 {
4eca0228 1355 _bfd_error_handler
695344c0 1356 /* xgettext:c-format */
bac23f82 1357 (_("%B, section %A: relocation %s with no GOT created"),
d003868e
AM
1358 input_bfd,
1359 input_section,
1360 cris_elf_howto_table[r_type].name);
58255df3 1361 bfd_set_error (bfd_error_bad_value);
b34976b6 1362 return FALSE;
58255df3
HPN
1363 }
1364
915e5146
HPN
1365 /* This relocation is like a PC-relative one, except the
1366 reference point is the location of GOT. Note that
1367 sgot->output_offset is not involved in this calculation. We
1368 always want the start of entire .got section, not the
1369 position after the reserved header. */
1370 relocation -= sgot->output_section->vma;
1371 break;
06c15ad7 1372
915e5146
HPN
1373 case R_CRIS_32_PLT_PCREL:
1374 /* Relocation is to the entry for this symbol in the
1375 procedure linkage table. */
06c15ad7 1376
915e5146
HPN
1377 /* Resolve a PLT_PCREL reloc against a local symbol directly,
1378 without using the procedure linkage table. */
0a4787a0 1379 if (h == NULL || ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
915e5146
HPN
1380 break;
1381
1382 if (h->plt.offset == (bfd_vma) -1
1383 || splt == NULL)
1384 {
1385 /* We didn't make a PLT entry for this symbol. This
1386 happens when statically linking PIC code, or when
1387 using -Bsymbolic. */
1388 break;
1389 }
1390
1391 relocation = (splt->output_section->vma
1392 + splt->output_offset
1393 + h->plt.offset);
1394 break;
1395
1396 case R_CRIS_32_PLT_GOTREL:
1397 /* Like R_CRIS_32_PLT_PCREL, but the reference point is the
1398 start of the .got section. See also comment at
1399 R_CRIS_32_GOT. */
1400 relocation -= sgot->output_section->vma;
1401
1402 /* Resolve a PLT_GOTREL reloc against a local symbol directly,
1403 without using the procedure linkage table. */
0a4787a0 1404 if (h == NULL || ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
915e5146
HPN
1405 break;
1406
1407 if (h->plt.offset == (bfd_vma) -1
1408 || splt == NULL)
1409 {
1410 /* We didn't make a PLT entry for this symbol. This
1411 happens when statically linking PIC code, or when
1412 using -Bsymbolic. */
1413 break;
1414 }
1415
1416 relocation = (splt->output_section->vma
1417 + splt->output_offset
1418 + h->plt.offset
1419 - sgot->output_section->vma);
1420 break;
1421
1422 case R_CRIS_8_PCREL:
1423 case R_CRIS_16_PCREL:
1424 case R_CRIS_32_PCREL:
1425 /* If the symbol was local, we need no shlib-specific handling. */
0d08de41
HPN
1426 if (h == NULL || ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
1427 || h->dynindx == -1)
915e5146
HPN
1428 break;
1429
1430 /* Fall through. */
1431 case R_CRIS_8:
1432 case R_CRIS_16:
1433 case R_CRIS_32:
0e1862bb 1434 if (bfd_link_pic (info)
cf35638d 1435 && r_symndx != STN_UNDEF
915e5146
HPN
1436 && (input_section->flags & SEC_ALLOC) != 0
1437 && ((r_type != R_CRIS_8_PCREL
1438 && r_type != R_CRIS_16_PCREL
1439 && r_type != R_CRIS_32_PCREL)
cb1c8103 1440 || (!SYMBOLIC_BIND (info, h)
02865b8e 1441 || (h != NULL && !h->def_regular))))
915e5146
HPN
1442 {
1443 Elf_Internal_Rela outrel;
947216bf 1444 bfd_byte *loc;
b34976b6 1445 bfd_boolean skip, relocate;
915e5146
HPN
1446
1447 /* When generating a shared object, these relocations
1448 are copied into the output file to be resolved at run
1449 time. */
1450
1451 if (sreloc == NULL)
1452 {
83bac4b0 1453 sreloc = _bfd_elf_get_dynamic_reloc_section
e236b51d 1454 (dynobj, input_section, /*rela?*/ TRUE);
83bac4b0
NC
1455 /* The section should have been created in cris_elf_check_relocs,
1456 but that function will not be called for objects which fail in
915e5146
HPN
1457 cris_elf_merge_private_bfd_data. */
1458 if (sreloc == NULL)
1459 {
915e5146 1460 bfd_set_error (bfd_error_bad_value);
b34976b6 1461 return FALSE;
915e5146
HPN
1462 }
1463 }
1464
b34976b6
AM
1465 skip = FALSE;
1466 relocate = FALSE;
915e5146 1467
c629eae0
JJ
1468 outrel.r_offset =
1469 _bfd_elf_section_offset (output_bfd, info, input_section,
1470 rel->r_offset);
1471 if (outrel.r_offset == (bfd_vma) -1)
b34976b6 1472 skip = TRUE;
b3bf42d8
HPN
1473 else if (outrel.r_offset == (bfd_vma) -2
1474 /* For now, undefined weak symbols with non-default
1475 visibility (yielding 0), like exception info for
1476 discarded sections, will get a R_CRIS_NONE
1477 relocation rather than no relocation, because we
1478 notice too late that the symbol doesn't need a
1479 relocation. */
1480 || (h != NULL
1481 && h->root.type == bfd_link_hash_undefweak
1482 && ELF_ST_VISIBILITY (h->other) != STV_DEFAULT))
b34976b6 1483 skip = TRUE, relocate = TRUE;
915e5146
HPN
1484 outrel.r_offset += (input_section->output_section->vma
1485 + input_section->output_offset);
1486
1487 if (skip)
0bb2d96a 1488 memset (&outrel, 0, sizeof outrel);
915e5146
HPN
1489 /* h->dynindx may be -1 if the symbol was marked to
1490 become local. */
1491 else if (h != NULL
cb1c8103 1492 && ((!SYMBOLIC_BIND (info, h) && h->dynindx != -1)
f5385ebf 1493 || !h->def_regular))
915e5146
HPN
1494 {
1495 BFD_ASSERT (h->dynindx != -1);
915e5146
HPN
1496 outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
1497 outrel.r_addend = relocation + rel->r_addend;
1498 }
1499 else
1500 {
74541ad4
AM
1501 outrel.r_addend = relocation + rel->r_addend;
1502
915e5146
HPN
1503 if (r_type == R_CRIS_32)
1504 {
b34976b6 1505 relocate = TRUE;
915e5146 1506 outrel.r_info = ELF32_R_INFO (0, R_CRIS_RELATIVE);
915e5146
HPN
1507 }
1508 else
1509 {
1510 long indx;
1511
8517fae7 1512 if (bfd_is_abs_section (sec))
915e5146
HPN
1513 indx = 0;
1514 else if (sec == NULL || sec->owner == NULL)
1515 {
1516 bfd_set_error (bfd_error_bad_value);
b34976b6 1517 return FALSE;
915e5146
HPN
1518 }
1519 else
1520 {
1521 asection *osec;
1522
74541ad4
AM
1523 /* We are turning this relocation into one
1524 against a section symbol. It would be
1525 proper to subtract the symbol's value,
1526 osec->vma, from the emitted reloc addend,
1527 but ld.so expects buggy relocs. */
915e5146
HPN
1528 osec = sec->output_section;
1529 indx = elf_section_data (osec)->dynindx;
74541ad4
AM
1530 if (indx == 0)
1531 {
74541ad4
AM
1532 osec = htab->root.text_index_section;
1533 indx = elf_section_data (osec)->dynindx;
1534 }
1535 BFD_ASSERT (indx != 0);
915e5146
HPN
1536 }
1537
915e5146 1538 outrel.r_info = ELF32_R_INFO (indx, r_type);
915e5146
HPN
1539 }
1540 }
1541
947216bf
AM
1542 loc = sreloc->contents;
1543 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
1544 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
915e5146
HPN
1545
1546 /* This reloc will be computed at runtime, so there's no
1547 need to do anything now, except for R_CRIS_32 relocations
1548 that have been turned into R_CRIS_RELATIVE. */
1549 if (!relocate)
1550 continue;
1551 }
1552
1553 break;
100382c7
HPN
1554
1555 case R_CRIS_16_DTPREL:
1556 case R_CRIS_32_DTPREL:
1557 /* This relocation must only be performed against local
6718f446
HPN
1558 symbols, or to sections that are not loadable. It's also
1559 ok when we link a program and the symbol is defined in an
1560 ordinary (non-DSO) object (if it's undefined there, we've
1561 already seen an error). */
100382c7 1562 if (h != NULL
6718f446 1563 && (input_section->flags & SEC_ALLOC) != 0
100382c7 1564 && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
0e1862bb 1565 && (bfd_link_pic (info)
100382c7
HPN
1566 || (!h->def_regular
1567 && h->root.type != bfd_link_hash_undefined)))
1568 {
4eca0228 1569 _bfd_error_handler
100382c7
HPN
1570 ((h->root.type == bfd_link_hash_undefined)
1571 /* We shouldn't get here for GCC-emitted code. */
695344c0 1572 /* xgettext:c-format */
100382c7
HPN
1573 ? _("%B, section %A: relocation %s has an undefined"
1574 " reference to `%s', perhaps a declaration mixup?")
695344c0
NC
1575 /* xgettext:c-format */
1576 : _("%B, section %A: relocation %s is"
100382c7
HPN
1577 " not allowed for `%s', a global symbol with default"
1578 " visibility, perhaps a declaration mixup?"),
1579 input_bfd,
1580 input_section,
1581 cris_elf_howto_table[r_type].name,
1582 symname != NULL && symname[0] != '\0'
1583 ? symname : _("[whose name is lost]"));
1584 bfd_set_error (bfd_error_bad_value);
1585 return FALSE;
1586 }
1587
6718f446 1588 BFD_ASSERT ((input_section->flags & SEC_ALLOC) == 0
4dfe6ac6 1589 || htab->dtpmod_refcount != 0);
100382c7
HPN
1590
1591 /* Fill in a R_CRIS_DTPMOD reloc at offset 3 if we haven't
1592 already done so. Note that we do this in .got.plt, not
1593 in .got, as .got.plt contains the first part, still the
1594 reloc is against .got, because the linker script directs
1595 (is required to direct) them both into .got. */
4dfe6ac6 1596 if (htab->dtpmod_refcount > 0
6718f446 1597 && (input_section->flags & SEC_ALLOC) != 0)
100382c7 1598 {
ce558b89 1599 asection *sgotplt = htab->root.sgotplt;
100382c7
HPN
1600 BFD_ASSERT (sgotplt != NULL);
1601
0e1862bb 1602 if (bfd_link_pic (info))
100382c7
HPN
1603 {
1604 Elf_Internal_Rela outrel;
1605 bfd_byte *loc;
1606
ce558b89 1607 srelgot = htab->root.srelgot;
100382c7
HPN
1608 BFD_ASSERT (srelgot != NULL);
1609 loc = srelgot->contents;
1610 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
1611
1612 bfd_put_32 (output_bfd, (bfd_vma) 0, sgotplt->contents + 12);
1613 bfd_put_32 (output_bfd, (bfd_vma) 0, sgotplt->contents + 16);
1614 outrel.r_offset = (sgotplt->output_section->vma
1615 + sgotplt->output_offset
1616 + 12);
1617 outrel.r_info = ELF32_R_INFO (0, R_CRIS_DTPMOD);
1618 outrel.r_addend = 0;
1619 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
1620 }
1621 else
1622 {
1623 /* For an executable, the GOT entry contents is known. */
1624 bfd_put_32 (output_bfd, (bfd_vma) 1, sgotplt->contents + 12);
1625 bfd_put_32 (output_bfd, (bfd_vma) 0, sgotplt->contents + 16);
1626 }
1627
1628 /* Reverse the sign to mark that we've emitted the
1629 required GOT entry. */
4dfe6ac6 1630 htab->dtpmod_refcount = - htab->dtpmod_refcount;
100382c7
HPN
1631 }
1632
ebf275e3
HPN
1633 /* The relocation is the offset from the start of the module
1634 TLS block to the (local) symbol. */
100382c7 1635 relocation -= elf_hash_table (info)->tls_sec == NULL
ebf275e3 1636 ? 0 : elf_hash_table (info)->tls_sec->vma;
100382c7
HPN
1637 break;
1638
1639 case R_CRIS_32_GD:
0e1862bb 1640 if (bfd_link_pic (info))
100382c7
HPN
1641 {
1642 bfd_set_error (bfd_error_invalid_operation);
1643
1644 /* We've already informed in cris_elf_check_relocs that
1645 this is an error. */
1646 return FALSE;
1647 }
1648 /* Fall through. */
1649
1650 case R_CRIS_16_GOT_GD:
1651 case R_CRIS_32_GOT_GD:
1652 if (rel->r_addend != 0)
1653 {
1654 /* We can't do anything for a relocation which is against a
1655 symbol *plus offset*. The GOT holds relocations for
1656 symbols. Make this an error; the compiler isn't allowed
1657 to pass us these kinds of things. */
4eca0228 1658 _bfd_error_handler
695344c0 1659 /* xgettext:c-format */
100382c7
HPN
1660 (_("%B, section %A: relocation %s with non-zero addend %d"
1661 " against symbol `%s'"),
1662 input_bfd,
1663 input_section,
1664 cris_elf_howto_table[r_type].name,
1665 rel->r_addend,
1666 symname[0] != '\0' ? symname : _("[whose name is lost]"));
1667
1668 bfd_set_error (bfd_error_bad_value);
1669 return FALSE;
1670 }
1671
0e1862bb 1672 if (!bfd_link_pic (info)
34d3d6b9 1673 && (h == NULL || h->def_regular || ELF_COMMON_DEF_P (h)))
100382c7
HPN
1674 {
1675 /* Known contents of the GOT. */
1676 bfd_vma off;
1677
1678 /* The symbol is defined in the program, so just write
019c5a2e 1679 (1, known_tpoffset) into the GOT. */
100382c7
HPN
1680 relocation -= elf_hash_table (info)->tls_sec->vma;
1681
1682 if (h != NULL)
1683 {
1684 off = elf_cris_hash_entry (h)->tprel_refcount > 0
1685 ? h->got.offset + 4 : h->got.offset;
1686 }
1687 else
1688 {
1689 off = local_got_offsets[r_symndx];
1690 if (local_got_offsets[LGOT_TPREL_NDX (r_symndx)])
1691 off += 4;
1692 }
1693
1694 /* We use bit 1 of the offset as a flag for GOT entry with
1695 the R_CRIS_DTP reloc, setting it when we've emitted the
1696 GOT entry and reloc. Bit 0 is used for R_CRIS_32_TPREL
1697 relocs. */
1698 if ((off & 2) == 0)
1699 {
1700 off &= ~3;
1701
1702 if (h != NULL)
1703 h->got.offset |= 2;
1704 else
1705 local_got_offsets[r_symndx] |= 2;
1706
1707 bfd_put_32 (output_bfd, 1, sgot->contents + off);
1708 bfd_put_32 (output_bfd, relocation, sgot->contents + off + 4);
1709 }
1710 else
1711 off &= ~3;
1712
1713 relocation = sgot->output_offset + off
1714 + (r_type == R_CRIS_32_GD ? sgot->output_section->vma : 0);
1715 }
1716 else
1717 {
1718 /* Not all parts of the GOT entry are known; emit a real
1719 relocation. */
1720 bfd_vma off;
1721
1722 if (h != NULL)
1723 off = elf_cris_hash_entry (h)->tprel_refcount > 0
1724 ? h->got.offset + 4 : h->got.offset;
1725 else
1726 {
1727 off = local_got_offsets[r_symndx];
1728 if (local_got_offsets[LGOT_TPREL_NDX (r_symndx)])
1729 off += 4;
1730 }
1731
1732 /* See above re bit 1 and bit 0 usage. */
1733 if ((off & 2) == 0)
1734 {
1735 Elf_Internal_Rela outrel;
1736 bfd_byte *loc;
1737
1738 off &= ~3;
1739
1740 if (h != NULL)
1741 h->got.offset |= 2;
1742 else
1743 local_got_offsets[r_symndx] |= 2;
1744
1745 /* Clear the target contents of the GOT (just as a
1746 gesture; it's already cleared on allocation): this
1747 relocation is not like the other dynrelocs. */
1748 bfd_put_32 (output_bfd, 0, sgot->contents + off);
1749 bfd_put_32 (output_bfd, 0, sgot->contents + off + 4);
1750
ce558b89 1751 srelgot = htab->root.srelgot;
100382c7
HPN
1752 BFD_ASSERT (srelgot != NULL);
1753
1754 if (h != NULL && h->dynindx != -1)
1755 {
1756 outrel.r_info = ELF32_R_INFO (h->dynindx, R_CRIS_DTP);
1757 relocation = 0;
1758 }
1759 else
1760 {
1761 outrel.r_info = ELF32_R_INFO (0, R_CRIS_DTP);
1762
1763 /* NULL if we had an error. */
1764 relocation -= elf_hash_table (info)->tls_sec == NULL
1765 ? 0 : elf_hash_table (info)->tls_sec->vma;
1766 }
1767
1768 outrel.r_offset = (sgot->output_section->vma
1769 + sgot->output_offset
1770 + off);
1771 outrel.r_addend = relocation;
1772 loc = srelgot->contents;
1773 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
1774
1775 /* NULL if we had an error. */
1776 if (srelgot->contents != NULL)
1777 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
1778 }
1779 else
1780 off &= ~3;
1781
1782 relocation = sgot->output_offset + off
1783 + (r_type == R_CRIS_32_GD ? sgot->output_section->vma : 0);
1784 }
1785
1786 /* The GOT-relative offset to the GOT entry is the
1787 relocation, or for R_CRIS_32_GD, the actual address of
1788 the GOT entry. */
1789 break;
1790
75f500d7 1791 case R_CRIS_32_IE:
0e1862bb 1792 if (bfd_link_pic (info))
75f500d7
HPN
1793 {
1794 bfd_set_error (bfd_error_invalid_operation);
1795
1796 /* We've already informed in cris_elf_check_relocs that
1797 this is an error. */
1798 return FALSE;
1799 }
1800 /* Fall through. */
1801
100382c7
HPN
1802 case R_CRIS_32_GOT_TPREL:
1803 case R_CRIS_16_GOT_TPREL:
1804 if (rel->r_addend != 0)
1805 {
1806 /* We can't do anything for a relocation which is
1807 against a symbol *plus offset*. GOT holds
1808 relocations for symbols. Make this an error; the
1809 compiler isn't allowed to pass us these kinds of
1810 things. */
4eca0228 1811 _bfd_error_handler
695344c0 1812 /* xgettext:c-format */
100382c7
HPN
1813 (_("%B, section %A: relocation %s with non-zero addend %d"
1814 " against symbol `%s'"),
1815 input_bfd,
1816 input_section,
1817 cris_elf_howto_table[r_type].name,
1818 rel->r_addend,
1819 symname[0] != '\0' ? symname : _("[whose name is lost]"));
1820 bfd_set_error (bfd_error_bad_value);
1821 return FALSE;
1822 }
1823
0e1862bb 1824 if (!bfd_link_pic (info)
26a48bb3 1825 && (h == NULL || h->def_regular || ELF_COMMON_DEF_P (h)))
100382c7
HPN
1826 {
1827 /* Known contents of the GOT. */
1828 bfd_vma off;
1829
1830 /* The symbol is defined in the program, so just write
1bc86aea 1831 the -prog_tls_size+known_tpoffset into the GOT. */
100382c7 1832 relocation -= elf_hash_table (info)->tls_sec->vma;
f6f05983 1833 relocation -= elf_hash_table (info)->tls_size;
100382c7
HPN
1834
1835 if (h != NULL)
1836 off = h->got.offset;
1837 else
1838 off = local_got_offsets[r_symndx];
1839
1840 /* Bit 0 is used to mark whether we've emitted the required
1841 entry (and if needed R_CRIS_32_TPREL reloc). Bit 1
1842 is used similarly for R_CRIS_DTP, see above. */
1843 if ((off & 1) == 0)
1844 {
1845 off &= ~3;
1846
1847 if (h != NULL)
1848 h->got.offset |= 1;
1849 else
1850 local_got_offsets[r_symndx] |= 1;
1851
1852 bfd_put_32 (output_bfd, relocation, sgot->contents + off);
1853 }
1854 else
1855 off &= ~3;
1856
75f500d7
HPN
1857 relocation = sgot->output_offset + off
1858 + (r_type == R_CRIS_32_IE ? sgot->output_section->vma : 0);
100382c7
HPN
1859 }
1860 else
1861 {
1862 /* Emit a real relocation. */
1863 bfd_vma off;
1864
1865 if (h != NULL)
1866 off = h->got.offset;
1867 else
1868 off = local_got_offsets[r_symndx];
1869
1870 /* See above re usage of bit 0 and 1. */
1871 if ((off & 1) == 0)
1872 {
1873 Elf_Internal_Rela outrel;
1874 bfd_byte *loc;
1875
1876 off &= ~3;
1877
1878 if (h != NULL)
1879 h->got.offset |= 1;
1880 else
1881 local_got_offsets[r_symndx] |= 1;
1882
ce558b89 1883 srelgot = htab->root.srelgot;
100382c7
HPN
1884 BFD_ASSERT (srelgot != NULL);
1885
1886 if (h != NULL && h->dynindx != -1)
1887 {
1888 outrel.r_info = ELF32_R_INFO (h->dynindx, R_CRIS_32_TPREL);
1889 relocation = 0;
1890 }
1891 else
1892 {
1893 outrel.r_info = ELF32_R_INFO (0, R_CRIS_32_TPREL);
1894
1895 /* NULL if we had an error. */
1896 relocation -= elf_hash_table (info)->tls_sec == NULL
1897 ? 0 : elf_hash_table (info)->tls_sec->vma;
1898 }
1899
1900 /* Just "define" the initial contents in some
1901 semi-logical way. */
1902 bfd_put_32 (output_bfd, relocation, sgot->contents + off);
1903
1904 outrel.r_offset = (sgot->output_section->vma
1905 + sgot->output_offset
1906 + off);
1907 outrel.r_addend = relocation;
1908 loc = srelgot->contents;
1909 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
1910 /* NULL if we had an error. */
1911 if (srelgot->contents != NULL)
1912 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
1913 }
1914 else
1915 off &= ~3;
1916
75f500d7
HPN
1917 relocation = sgot->output_offset + off
1918 + (r_type == R_CRIS_32_IE ? sgot->output_section->vma : 0);
100382c7
HPN
1919 }
1920
75f500d7
HPN
1921 /* The GOT-relative offset to the GOT entry is the relocation,
1922 or for R_CRIS_32_GD, the actual address of the GOT entry. */
100382c7
HPN
1923 break;
1924
1925 case R_CRIS_16_TPREL:
1926 case R_CRIS_32_TPREL:
1927 /* This relocation must only be performed against symbols
1928 defined in an ordinary (non-DSO) object. */
0e1862bb 1929 if (bfd_link_pic (info))
100382c7
HPN
1930 {
1931 bfd_set_error (bfd_error_invalid_operation);
1932
1933 /* We've already informed in cris_elf_check_relocs that
1934 this is an error. */
1935 return FALSE;
1936 }
1937
1938 if (h != NULL
1939 && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
34d3d6b9 1940 && !(h->def_regular || ELF_COMMON_DEF_P (h))
100382c7
HPN
1941 /* If it's undefined, then an error message has already
1942 been emitted. */
1943 && h->root.type != bfd_link_hash_undefined)
1944 {
4eca0228 1945 _bfd_error_handler
695344c0 1946 /* xgettext:c-format */
100382c7
HPN
1947 (_("%B, section %A: relocation %s is"
1948 " not allowed for symbol: `%s'"
1949 " which is defined outside the program,"
1950 " perhaps a declaration mixup?"),
1951 input_bfd,
1952 input_section,
1953 cris_elf_howto_table[r_type].name,
1954 symname);
1955 bfd_set_error (bfd_error_bad_value);
1956 return FALSE;
1957 }
1958
1959 /* NULL if we had an error. */
1960 relocation -= elf_hash_table (info)->tls_sec == NULL
1bc86aea
HPN
1961 ? 0
1962 : (elf_hash_table (info)->tls_sec->vma
f6f05983 1963 + elf_hash_table (info)->tls_size);
100382c7
HPN
1964
1965 /* The TLS-relative offset is the relocation. */
1966 break;
1967
1968 default:
1969 BFD_FAIL ();
1970 return FALSE;
915e5146
HPN
1971 }
1972
1973 r = cris_final_link_relocate (howto, input_bfd, input_section,
1974 contents, rel, relocation);
1975
1976 if (r != bfd_reloc_ok)
1977 {
1978 const char * msg = (const char *) NULL;
1979
1980 switch (r)
1981 {
1982 case bfd_reloc_overflow:
1a72702b 1983 (*info->callbacks->reloc_overflow)
dfeffb9f
L
1984 (info, (h ? &h->root : NULL), symname, howto->name,
1985 (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
100382c7
HPN
1986 if (additional_relocation_error_msg_count > 0)
1987 {
1988 additional_relocation_error_msg_count--;
1989 switch (r_type)
1990 {
1991 case R_CRIS_16_GOTPLT:
1992 case R_CRIS_16_GOT:
1993
1994 /* Not just TLS is involved here, so we make
1995 generation and message depend on -fPIC/-fpic
1996 only. */
1997 case R_CRIS_16_GOT_TPREL:
1998 case R_CRIS_16_GOT_GD:
4eca0228 1999 _bfd_error_handler
100382c7
HPN
2000 (_("(too many global variables for -fpic:"
2001 " recompile with -fPIC)"));
2002 break;
2003
2004 case R_CRIS_16_TPREL:
2005 case R_CRIS_16_DTPREL:
4eca0228 2006 _bfd_error_handler
100382c7
HPN
2007 (_("(thread-local data too big for -fpic or"
2008 " -msmall-tls: recompile with -fPIC or"
2009 " -mno-small-tls)"));
2010 break;
2011
2012 /* No known cause for overflow for other relocs. */
2013 default:
2014 break;
2015 }
2016 }
915e5146
HPN
2017 break;
2018
2019 case bfd_reloc_undefined:
1a72702b
AM
2020 (*info->callbacks->undefined_symbol)
2021 (info, symname, input_bfd, input_section, rel->r_offset, TRUE);
915e5146
HPN
2022 break;
2023
2024 case bfd_reloc_outofrange:
2025 msg = _("internal error: out of range error");
2026 break;
2027
2028 case bfd_reloc_notsupported:
2029 msg = _("internal error: unsupported relocation error");
2030 break;
2031
2032 case bfd_reloc_dangerous:
2033 msg = _("internal error: dangerous relocation");
2034 break;
2035
2036 default:
2037 msg = _("internal error: unknown error");
2038 break;
2039 }
2040
2041 if (msg)
1a72702b
AM
2042 (*info->callbacks->warning) (info, msg, symname, input_bfd,
2043 input_section, rel->r_offset);
915e5146
HPN
2044 }
2045 }
2046
b34976b6 2047 return TRUE;
915e5146
HPN
2048}
2049\f
2050/* Finish up dynamic symbol handling. We set the contents of various
2051 dynamic sections here. */
2052
b34976b6 2053static bfd_boolean
4dfe6ac6
NC
2054elf_cris_finish_dynamic_symbol (bfd *output_bfd,
2055 struct bfd_link_info *info,
2056 struct elf_link_hash_entry *h,
2057 Elf_Internal_Sym *sym)
915e5146 2058{
4dfe6ac6 2059 struct elf_cris_link_hash_table * htab;
bac23f82
HPN
2060
2061 /* Where in the plt entry to put values. */
915e5146
HPN
2062 int plt_off1 = 2, plt_off2 = 10, plt_off3 = 16;
2063
bac23f82
HPN
2064 /* What offset to add to the distance to the first PLT entry for the
2065 value at plt_off3. */
2066 int plt_off3_value_bias = 4;
2067
2068 /* Where in the PLT entry the call-dynlink-stub is (happens to be same
2069 for PIC and non-PIC for v32 and pre-v32). */
2070 int plt_stub_offset = 8;
2071 int plt_entry_size = PLT_ENTRY_SIZE;
2072 const bfd_byte *plt_entry = elf_cris_plt_entry;
2073 const bfd_byte *plt_pic_entry = elf_cris_pic_plt_entry;
2074
4dfe6ac6
NC
2075 htab = elf_cris_hash_table (info);
2076 if (htab == NULL)
2077 return FALSE;
2078
bac23f82
HPN
2079 /* Adjust the various PLT entry offsets. */
2080 if (bfd_get_mach (output_bfd) == bfd_mach_cris_v32)
2081 {
2082 plt_off2 = 14;
2083 plt_off3 = 20;
2084 plt_off3_value_bias = -2;
2085 plt_stub_offset = 12;
2086 plt_entry_size = PLT_ENTRY_SIZE_V32;
2087 plt_entry = elf_cris_plt_entry_v32;
2088 plt_pic_entry = elf_cris_pic_plt_entry_v32;
2089 }
2090
915e5146
HPN
2091 if (h->plt.offset != (bfd_vma) -1)
2092 {
2093 asection *splt;
2094 asection *sgotplt;
915e5146
HPN
2095 asection *srela;
2096 bfd_vma got_base;
2097
2098 bfd_vma gotplt_offset
100382c7 2099 = elf_cris_hash_entry (h)->gotplt_offset;
915e5146 2100 Elf_Internal_Rela rela;
947216bf 2101 bfd_byte *loc;
b34976b6 2102 bfd_boolean has_gotplt = gotplt_offset != 0;
915e5146 2103
0bdf8d40
HPN
2104 /* Get the index in the .rela.plt relocations for the .got.plt
2105 entry that corresponds to this symbol.
2106 We have to count backwards here, and the result is only valid
2107 as an index into .rela.plt. We also have to undo the effect
2108 of the R_CRIS_DTPMOD entry at .got index 3 (offset 12 into
2109 .got.plt) for which gotplt_offset is adjusted, because while
2110 that entry goes into .got.plt, its relocation goes into
2111 .rela.got, not .rela.plt. (It's not PLT-specific; not to be
2112 processed as part of the runtime lazy .rela.plt relocation).
2113 FIXME: There be literal constants here... */
2114 bfd_vma rela_plt_index
4dfe6ac6 2115 = (htab->dtpmod_refcount != 0
0bdf8d40 2116 ? gotplt_offset/4 - 2 - 3 : gotplt_offset/4 - 3);
915e5146
HPN
2117
2118 /* Get the offset into the .got table of the entry that corresponds
2119 to this function. Note that we embed knowledge that "incoming"
2120 .got goes after .got.plt in the output without padding (pointer
2121 aligned). However, that knowledge is present in several other
c152c796 2122 places too. */
915e5146
HPN
2123 bfd_vma got_offset
2124 = (has_gotplt
2125 ? gotplt_offset
4dfe6ac6 2126 : h->got.offset + htab->next_gotplt_entry);
915e5146
HPN
2127
2128 /* This symbol has an entry in the procedure linkage table. Set it
2129 up. */
2130
2131 BFD_ASSERT (h->dynindx != -1);
2132
ce558b89
AM
2133 splt = htab->root.splt;
2134 sgotplt = htab->root.sgotplt;
2135 srela = htab->root.srelplt;
915e5146
HPN
2136 BFD_ASSERT (splt != NULL && sgotplt != NULL
2137 && (! has_gotplt || srela != NULL));
2138
2139 got_base = sgotplt->output_section->vma + sgotplt->output_offset;
2140
2141 /* Fill in the entry in the procedure linkage table. */
0e1862bb 2142 if (! bfd_link_pic (info))
915e5146 2143 {
bac23f82
HPN
2144 memcpy (splt->contents + h->plt.offset, plt_entry,
2145 plt_entry_size);
915e5146
HPN
2146
2147 /* We need to enter the absolute address of the GOT entry here. */
2148 bfd_put_32 (output_bfd, got_base + got_offset,
2149 splt->contents + h->plt.offset + plt_off1);
2150 }
2151 else
2152 {
bac23f82
HPN
2153 memcpy (splt->contents + h->plt.offset, plt_pic_entry,
2154 plt_entry_size);
915e5146
HPN
2155 bfd_put_32 (output_bfd, got_offset,
2156 splt->contents + h->plt.offset + plt_off1);
2157 }
2158
2159 /* Fill in the plt entry and make a relocation, if this is a "real"
2160 PLT entry. */
2161 if (has_gotplt)
2162 {
bac23f82 2163 /* Fill in the offset to the reloc table. */
915e5146 2164 bfd_put_32 (output_bfd,
0bdf8d40 2165 rela_plt_index * sizeof (Elf32_External_Rela),
915e5146
HPN
2166 splt->contents + h->plt.offset + plt_off2);
2167
2168 /* Fill in the offset to the first PLT entry, where to "jump". */
bac23f82
HPN
2169 bfd_put_32 (output_bfd,
2170 - (h->plt.offset + plt_off3 + plt_off3_value_bias),
915e5146
HPN
2171 splt->contents + h->plt.offset + plt_off3);
2172
2173 /* Fill in the entry in the global offset table with the address of
2174 the relocating stub. */
2175 bfd_put_32 (output_bfd,
2176 (splt->output_section->vma
2177 + splt->output_offset
2178 + h->plt.offset
bac23f82 2179 + plt_stub_offset),
915e5146
HPN
2180 sgotplt->contents + got_offset);
2181
2182 /* Fill in the entry in the .rela.plt section. */
2183 rela.r_offset = (sgotplt->output_section->vma
2184 + sgotplt->output_offset
2185 + got_offset);
2186 rela.r_info = ELF32_R_INFO (h->dynindx, R_CRIS_JUMP_SLOT);
2187 rela.r_addend = 0;
0bdf8d40 2188 loc = srela->contents + rela_plt_index * sizeof (Elf32_External_Rela);
947216bf 2189 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
915e5146
HPN
2190 }
2191
f5385ebf 2192 if (!h->def_regular)
915e5146
HPN
2193 {
2194 /* Mark the symbol as undefined, rather than as defined in
2195 the .plt section. Leave the value alone. */
2196 sym->st_shndx = SHN_UNDEF;
2197
2198 /* FIXME: From elf32-sparc.c 2001-02-19 (1.18). I still don't
2199 know whether resetting the value is significant; if it really
2200 is, rather than a quirk or bug in the sparc port, then I
2201 believe we'd see this elsewhere. */
2202 /* If the symbol is weak, we do need to clear the value.
2203 Otherwise, the PLT entry would provide a definition for
2204 the symbol even if the symbol wasn't defined anywhere,
2205 and so the symbol would never be NULL. */
f5385ebf 2206 if (!h->ref_regular_nonweak)
915e5146
HPN
2207 sym->st_value = 0;
2208 }
2209 }
2210
e4a2175c
HPN
2211 /* For an ordinary program, we emit .got relocs only for symbols that
2212 are in the dynamic-symbols table and are either defined by the
2213 program or are undefined weak symbols, or are function symbols
2214 where we do not output a PLT: the PLT reloc was output above and all
2215 references to the function symbol are redirected to the PLT. */
4d96d128 2216 if (h->got.offset != (bfd_vma) -1
100382c7 2217 && (elf_cris_hash_entry (h)->reg_got_refcount > 0)
0e1862bb 2218 && (bfd_link_pic (info)
6849c52f 2219 || (h->dynindx != -1
e4a2175c 2220 && h->plt.offset == (bfd_vma) -1
f5385ebf 2221 && !h->def_regular
6849c52f 2222 && h->root.type != bfd_link_hash_undefweak)))
915e5146
HPN
2223 {
2224 asection *sgot;
2225 asection *srela;
2226 Elf_Internal_Rela rela;
947216bf 2227 bfd_byte *loc;
dc810e39 2228 bfd_byte *where;
915e5146
HPN
2229
2230 /* This symbol has an entry in the global offset table. Set it up. */
2231
ce558b89
AM
2232 sgot = htab->root.sgot;
2233 srela = htab->root.srelgot;
915e5146
HPN
2234 BFD_ASSERT (sgot != NULL && srela != NULL);
2235
2236 rela.r_offset = (sgot->output_section->vma
2237 + sgot->output_offset
dc810e39 2238 + (h->got.offset &~ (bfd_vma) 1));
915e5146
HPN
2239
2240 /* If this is a static link, or it is a -Bsymbolic link and the
2241 symbol is defined locally or was forced to be local because
2242 of a version file, we just want to emit a RELATIVE reloc.
2243 The entry in the global offset table will already have been
2244 initialized in the relocate_section function. */
dc810e39 2245 where = sgot->contents + (h->got.offset &~ (bfd_vma) 1);
915e5146 2246 if (! elf_hash_table (info)->dynamic_sections_created
0e1862bb 2247 || (bfd_link_pic (info)
cb1c8103 2248 && (SYMBOLIC_BIND (info, h) || h->dynindx == -1)
f5385ebf 2249 && h->def_regular))
915e5146
HPN
2250 {
2251 rela.r_info = ELF32_R_INFO (0, R_CRIS_RELATIVE);
dc810e39 2252 rela.r_addend = bfd_get_signed_32 (output_bfd, where);
915e5146
HPN
2253 }
2254 else
2255 {
dc810e39 2256 bfd_put_32 (output_bfd, (bfd_vma) 0, where);
915e5146
HPN
2257 rela.r_info = ELF32_R_INFO (h->dynindx, R_CRIS_GLOB_DAT);
2258 rela.r_addend = 0;
2259 }
2260
947216bf
AM
2261 loc = srela->contents;
2262 loc += srela->reloc_count++ * sizeof (Elf32_External_Rela);
2263 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
915e5146
HPN
2264 }
2265
f5385ebf 2266 if (h->needs_copy)
915e5146
HPN
2267 {
2268 asection *s;
2269 Elf_Internal_Rela rela;
947216bf 2270 bfd_byte *loc;
915e5146
HPN
2271
2272 /* This symbol needs a copy reloc. Set it up. */
2273
2274 BFD_ASSERT (h->dynindx != -1
2275 && (h->root.type == bfd_link_hash_defined
2276 || h->root.type == bfd_link_hash_defweak));
2277
afbf7e8e 2278 if (h->root.u.def.section == htab->root.sdynrelro)
1fbd05e1
HPN
2279 s = htab->root.sreldynrelro;
2280 else
2281 s = htab->root.srelbss;
915e5146
HPN
2282
2283 rela.r_offset = (h->root.u.def.value
2284 + h->root.u.def.section->output_section->vma
2285 + h->root.u.def.section->output_offset);
2286 rela.r_info = ELF32_R_INFO (h->dynindx, R_CRIS_COPY);
2287 rela.r_addend = 0;
947216bf
AM
2288 loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela);
2289 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
915e5146
HPN
2290 }
2291
2292 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */
9637f6ef 2293 if (h == elf_hash_table (info)->hdynamic
22edb2f1 2294 || h == elf_hash_table (info)->hgot)
915e5146
HPN
2295 sym->st_shndx = SHN_ABS;
2296
b34976b6 2297 return TRUE;
915e5146
HPN
2298}
2299\f
100382c7
HPN
2300/* Finish up the dynamic sections. Do *not* emit relocs here, as their
2301 offsets were changed, as part of -z combreloc handling, from those we
2302 computed. */
915e5146 2303
b34976b6 2304static bfd_boolean
2c3fc389
NC
2305elf_cris_finish_dynamic_sections (bfd *output_bfd,
2306 struct bfd_link_info *info)
915e5146
HPN
2307{
2308 bfd *dynobj;
2309 asection *sgot;
2310 asection *sdyn;
2311
2312 dynobj = elf_hash_table (info)->dynobj;
2313
ce558b89 2314 sgot = elf_hash_table (info)->sgotplt;
915e5146 2315 BFD_ASSERT (sgot != NULL);
3d4d4302 2316 sdyn = bfd_get_linker_section (dynobj, ".dynamic");
915e5146
HPN
2317
2318 if (elf_hash_table (info)->dynamic_sections_created)
2319 {
2320 asection *splt;
2321 Elf32_External_Dyn *dyncon, *dynconend;
2322
ce558b89 2323 splt = elf_hash_table (info)->splt;
915e5146
HPN
2324 BFD_ASSERT (splt != NULL && sdyn != NULL);
2325
2326 dyncon = (Elf32_External_Dyn *) sdyn->contents;
eea6121a 2327 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
915e5146
HPN
2328 for (; dyncon < dynconend; dyncon++)
2329 {
2330 Elf_Internal_Dyn dyn;
2331 asection *s;
2332
2333 bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
2334
2335 switch (dyn.d_tag)
2336 {
2337 default:
2338 break;
2339
2340 case DT_PLTGOT:
4ade44b7 2341 dyn.d_un.d_ptr = sgot->output_section->vma + sgot->output_offset;
915e5146
HPN
2342 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
2343 break;
2344
2345 case DT_JMPREL:
2346 /* Yes, we *can* have a .plt and no .plt.rela, for instance
2347 if all symbols are found in the .got (not .got.plt). */
ce558b89 2348 s = elf_hash_table (info)->srelplt;
4ade44b7
AM
2349 dyn.d_un.d_ptr = s != NULL ? (s->output_section->vma
2350 + s->output_offset) : 0;
915e5146
HPN
2351 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
2352 break;
2353
2354 case DT_PLTRELSZ:
ce558b89 2355 s = elf_hash_table (info)->srelplt;
915e5146
HPN
2356 if (s == NULL)
2357 dyn.d_un.d_val = 0;
915e5146 2358 else
eea6121a 2359 dyn.d_un.d_val = s->size;
915e5146
HPN
2360 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
2361 break;
915e5146
HPN
2362 }
2363 }
2364
2365 /* Fill in the first entry in the procedure linkage table. */
eea6121a 2366 if (splt->size > 0)
915e5146 2367 {
bac23f82
HPN
2368 if (bfd_get_mach (output_bfd) == bfd_mach_cris_v32)
2369 {
0e1862bb 2370 if (bfd_link_pic (info))
bac23f82
HPN
2371 memcpy (splt->contents, elf_cris_pic_plt0_entry_v32,
2372 PLT_ENTRY_SIZE_V32);
2373 else
2374 {
2375 memcpy (splt->contents, elf_cris_plt0_entry_v32,
2376 PLT_ENTRY_SIZE_V32);
2377 bfd_put_32 (output_bfd,
2378 sgot->output_section->vma
2379 + sgot->output_offset + 4,
2380 splt->contents + 4);
2381
2382 elf_section_data (splt->output_section)->this_hdr.sh_entsize
2383 = PLT_ENTRY_SIZE_V32;
2384 }
2385 }
915e5146 2386 else
bac23f82 2387 {
0e1862bb 2388 if (bfd_link_pic (info))
bac23f82
HPN
2389 memcpy (splt->contents, elf_cris_pic_plt0_entry,
2390 PLT_ENTRY_SIZE);
2391 else
2392 {
2393 memcpy (splt->contents, elf_cris_plt0_entry,
2394 PLT_ENTRY_SIZE);
2395 bfd_put_32 (output_bfd,
2396 sgot->output_section->vma
2397 + sgot->output_offset + 4,
2398 splt->contents + 6);
2399 bfd_put_32 (output_bfd,
2400 sgot->output_section->vma
2401 + sgot->output_offset + 8,
2402 splt->contents + 14);
2403
2404 elf_section_data (splt->output_section)->this_hdr.sh_entsize
2405 = PLT_ENTRY_SIZE;
2406 }
915e5146
HPN
2407 }
2408 }
2409 }
2410
2411 /* Fill in the first three entries in the global offset table. */
eea6121a 2412 if (sgot->size > 0)
915e5146
HPN
2413 {
2414 if (sdyn == NULL)
2415 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents);
2416 else
2417 bfd_put_32 (output_bfd,
2418 sdyn->output_section->vma + sdyn->output_offset,
2419 sgot->contents);
2420 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 4);
2421 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 8);
2422 }
2423
2424 elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
2425
b34976b6 2426 return TRUE;
06c15ad7
HPN
2427}
2428\f
2429/* Return the section that should be marked against GC for a given
2430 relocation. */
2431
2432static asection *
07adf181
AM
2433cris_elf_gc_mark_hook (asection *sec,
2434 struct bfd_link_info *info,
2435 Elf_Internal_Rela *rel,
2436 struct elf_link_hash_entry *h,
2437 Elf_Internal_Sym *sym)
06c15ad7 2438{
100382c7 2439 enum elf_cris_reloc_type r_type = ELF32_R_TYPE (rel->r_info);
06c15ad7 2440 if (h != NULL)
100382c7 2441 switch (r_type)
07adf181
AM
2442 {
2443 case R_CRIS_GNU_VTINHERIT:
2444 case R_CRIS_GNU_VTENTRY:
2445 return NULL;
100382c7
HPN
2446
2447 default:
2448 break;
07adf181 2449 }
06c15ad7 2450
07adf181 2451 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
06c15ad7
HPN
2452}
2453
2454/* Update the got entry reference counts for the section being removed. */
2455
b34976b6 2456static bfd_boolean
07adf181
AM
2457cris_elf_gc_sweep_hook (bfd *abfd,
2458 struct bfd_link_info *info,
2459 asection *sec,
2460 const Elf_Internal_Rela *relocs)
06c15ad7 2461{
4dfe6ac6 2462 struct elf_cris_link_hash_table * htab;
915e5146
HPN
2463 Elf_Internal_Shdr *symtab_hdr;
2464 struct elf_link_hash_entry **sym_hashes;
2465 bfd_signed_vma *local_got_refcounts;
2466 const Elf_Internal_Rela *rel, *relend;
915e5146
HPN
2467 bfd *dynobj;
2468 asection *sgot;
2469 asection *srelgot;
2470
0e1862bb 2471 if (bfd_link_relocatable (info))
7dda2462
TG
2472 return TRUE;
2473
915e5146
HPN
2474 dynobj = elf_hash_table (info)->dynobj;
2475 if (dynobj == NULL)
b34976b6 2476 return TRUE;
915e5146 2477
4dfe6ac6
NC
2478 htab = elf_cris_hash_table (info);
2479 if (htab == NULL)
2480 return FALSE;
2481
babfd660
KH
2482 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
2483 sym_hashes = elf_sym_hashes (abfd);
2484 local_got_refcounts = elf_local_got_refcounts (abfd);
2485
ce558b89
AM
2486 sgot = htab->root.sgot;
2487 srelgot = htab->root.srelgot;
915e5146
HPN
2488
2489 relend = relocs + sec->reloc_count;
2490 for (rel = relocs; rel < relend; rel++)
2491 {
babfd660 2492 unsigned long r_symndx;
3eb128b2 2493 struct elf_link_hash_entry *h = NULL;
100382c7
HPN
2494 bfd_signed_vma got_element_size = 4;
2495 bfd_signed_vma *specific_refcount = NULL;
2496 enum elf_cris_reloc_type r_type;
3eb128b2
AM
2497
2498 r_symndx = ELF32_R_SYM (rel->r_info);
2499 if (r_symndx >= symtab_hdr->sh_info)
2500 {
2501 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
2502 while (h->root.type == bfd_link_hash_indirect
2503 || h->root.type == bfd_link_hash_warning)
2504 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2505 }
babfd660 2506
100382c7
HPN
2507 r_type = ELF32_R_TYPE (rel->r_info);
2508 switch (r_type)
2509 {
2510 case R_CRIS_32_GOT:
2511 case R_CRIS_16_GOT:
2512 case R_CRIS_16_GOTPLT:
2513 case R_CRIS_32_GOTPLT:
2514 specific_refcount = h != NULL
2515 ? &((struct elf_cris_link_hash_entry *) h)->reg_got_refcount
2516 : &local_got_refcounts[LGOT_REG_NDX (r_symndx)];
2517 break;
2518
2519 case R_CRIS_32_GD:
2520 case R_CRIS_32_GOT_GD:
2521 case R_CRIS_16_GOT_GD:
2522 got_element_size = 8;
2523 specific_refcount = h != NULL
2524 ? &((struct elf_cris_link_hash_entry *) h)->dtp_refcount
2525 : &local_got_refcounts[LGOT_DTP_NDX (r_symndx)];
2526 break;
2527
75f500d7 2528 case R_CRIS_32_IE:
100382c7
HPN
2529 case R_CRIS_16_GOT_TPREL:
2530 case R_CRIS_32_GOT_TPREL:
2531 specific_refcount = h != NULL
2532 ? &((struct elf_cris_link_hash_entry *) h)->tprel_refcount
2533 : &local_got_refcounts[LGOT_TPREL_NDX (r_symndx)];
2534 break;
2535
2536 default:
2537 break;
2538 }
2539
2540 switch (r_type)
915e5146 2541 {
75f500d7 2542 case R_CRIS_32_IE:
100382c7
HPN
2543 case R_CRIS_32_GD:
2544 case R_CRIS_16_GOT_TPREL:
2545 case R_CRIS_32_GOT_TPREL:
2546 case R_CRIS_32_GOT_GD:
2547 case R_CRIS_16_GOT_GD:
915e5146
HPN
2548 case R_CRIS_16_GOT:
2549 case R_CRIS_32_GOT:
3eb128b2 2550 if (h != NULL)
915e5146 2551 {
100382c7
HPN
2552 /* If the counters are 0 when we got here, we've
2553 miscounted somehow somewhere, an internal error. */
2554 BFD_ASSERT (h->got.refcount > 0);
2555 --h->got.refcount;
2556
2557 BFD_ASSERT (*specific_refcount > 0);
2558 --*specific_refcount;
2559 if (*specific_refcount == 0)
915e5146 2560 {
100382c7
HPN
2561 /* We don't need the .got entry any more. */
2562 sgot->size -= got_element_size;
2563 srelgot->size -= sizeof (Elf32_External_Rela);
915e5146
HPN
2564 }
2565 break;
2566 }
2567
2568 local_got_reloc:
2569 if (local_got_refcounts != NULL)
2570 {
100382c7
HPN
2571 /* If the counters are 0 when we got here, we've
2572 miscounted somehow somewhere, an internal error. */
2573 BFD_ASSERT (local_got_refcounts[r_symndx] > 0);
2574 --local_got_refcounts[r_symndx];
2575
2576 BFD_ASSERT (*specific_refcount > 0);
2577 --*specific_refcount;
2578 if (*specific_refcount == 0)
915e5146 2579 {
100382c7
HPN
2580 /* We don't need the .got entry any more. */
2581 sgot->size -= got_element_size;
0e1862bb 2582 if (bfd_link_pic (info))
100382c7 2583 srelgot->size -= sizeof (Elf32_External_Rela);
915e5146
HPN
2584 }
2585 }
2586 break;
2587
2588 case R_CRIS_16_GOTPLT:
2589 case R_CRIS_32_GOTPLT:
2590 /* For local symbols, treat these like GOT relocs. */
3eb128b2 2591 if (h == NULL)
915e5146 2592 goto local_got_reloc;
970d488d
HPN
2593 else
2594 /* For global symbols, adjust the reloc-specific refcount. */
2595 elf_cris_hash_entry (h)->gotplt_refcount--;
e4a2175c 2596 /* Fall through. */
3eb128b2 2597
915e5146
HPN
2598 case R_CRIS_32_PLT_GOTREL:
2599 /* FIXME: We don't garbage-collect away the .got section. */
2600 if (local_got_refcounts != NULL)
2601 local_got_refcounts[-1]--;
2602 /* Fall through. */
3eb128b2 2603
970d488d
HPN
2604 case R_CRIS_8:
2605 case R_CRIS_16:
2606 case R_CRIS_32:
915e5146
HPN
2607 case R_CRIS_8_PCREL:
2608 case R_CRIS_16_PCREL:
2609 case R_CRIS_32_PCREL:
2610 case R_CRIS_32_PLT_PCREL:
970d488d 2611 /* Negate the increment we did in cris_elf_check_relocs. */
3eb128b2 2612 if (h != NULL)
915e5146 2613 {
0a4787a0
HPN
2614 if (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2615 && h->plt.refcount > 0)
915e5146
HPN
2616 --h->plt.refcount;
2617 }
2618 break;
2619
100382c7 2620 case R_CRIS_32_DTPREL:
6718f446
HPN
2621 /* This'd be a .dtpreld entry in e.g. debug info. */
2622 if ((sec->flags & SEC_ALLOC) == 0)
2623 break;
2624 /* Fall through. */
100382c7 2625 case R_CRIS_16_DTPREL:
4dfe6ac6
NC
2626 htab->dtpmod_refcount--;
2627 if (htab->dtpmod_refcount == 0)
2628 htab->next_gotplt_entry -= 8;
100382c7
HPN
2629 BFD_ASSERT (local_got_refcounts != NULL);
2630 local_got_refcounts[-1]--;
2631 break;
2632
915e5146
HPN
2633 default:
2634 break;
2635 }
2636 }
2637
b34976b6 2638 return TRUE;
06c15ad7
HPN
2639}
2640
5d5a918a
HPN
2641/* The elf_backend_plt_sym_val hook function. */
2642
2643static bfd_vma
51806b97
HPN
2644cris_elf_plt_sym_val (bfd_vma i ATTRIBUTE_UNUSED, const asection *plt,
2645 const arelent *rel)
5d5a918a
HPN
2646{
2647 bfd_size_type plt_entry_size;
51806b97
HPN
2648 bfd_size_type pltoffs;
2649 bfd *abfd = plt->owner;
5d5a918a 2650
51806b97
HPN
2651 /* Same for CRIS and CRIS v32; see elf_cris_(|pic_)plt_entry(|_v32)[]. */
2652 bfd_size_type plt_entry_got_offset = 2;
2653 bfd_size_type plt_sec_size;
2654 bfd_size_type got_vma_for_dyn;
2655 asection *got;
2656
2657 /* FIXME: the .got section should be readily available also when
2658 we're not linking. */
2659 if ((got = bfd_get_section_by_name (abfd, ".got")) == NULL)
2660 return (bfd_vma) -1;
2661
2662 plt_sec_size = bfd_section_size (plt->owner, plt);
5d5a918a 2663 plt_entry_size
51806b97 2664 = (bfd_get_mach (abfd) == bfd_mach_cris_v32
5d5a918a
HPN
2665 ? PLT_ENTRY_SIZE_V32 : PLT_ENTRY_SIZE);
2666
51806b97
HPN
2667 /* Data in PLT is GOT-relative for DYN, but absolute for EXE. */
2668 got_vma_for_dyn = (abfd->flags & EXEC_P) ? 0 : got->vma;
2669
2670 /* Because we can have merged GOT entries; a single .got entry for
2671 both GOT and the PLT part of the GOT (.got.plt), the index of the
2672 reloc in .rela.plt is not the same as the index in the PLT.
2673 Instead, we have to hunt down the GOT offset in the PLT that
2674 corresponds to that of this reloc. Unfortunately, we will only
2675 be called for the .rela.plt relocs, so we'll miss synthetic
2676 symbols for .plt entries with merged GOT entries. (FIXME:
2677 fixable by providing our own bfd_elf32_get_synthetic_symtab.
2678 Doesn't seem worthwile at time of this writing.) FIXME: we've
2679 gone from O(1) to O(N) (N number of PLT entries) for finding each
2680 PLT address. Shouldn't matter in practice though. */
2681
2682 for (pltoffs = plt_entry_size;
2683 pltoffs < plt_sec_size;
2684 pltoffs += plt_entry_size)
2685 {
2686 bfd_size_type got_offset;
2687 bfd_byte gotoffs_raw[4];
68ffbac6 2688
51806b97
HPN
2689 if (!bfd_get_section_contents (abfd, (asection *) plt, gotoffs_raw,
2690 pltoffs + plt_entry_got_offset,
2691 sizeof (gotoffs_raw)))
2692 return (bfd_vma) -1;
2693
2694 got_offset = bfd_get_32 (abfd, gotoffs_raw);
2695 if (got_offset + got_vma_for_dyn == rel->address)
2696 return plt->vma + pltoffs;
2697 }
2698
2699 /* While it's tempting to BFD_ASSERT that we shouldn't get here,
2700 that'd not be graceful behavior for invalid input. */
2701 return (bfd_vma) -1;
5d5a918a
HPN
2702}
2703
915e5146
HPN
2704/* Make sure we emit a GOT entry if the symbol was supposed to have a PLT
2705 entry but we found we will not create any. Called when we find we will
4d96d128
HPN
2706 not have any PLT for this symbol, by for example
2707 elf_cris_adjust_dynamic_symbol when we're doing a proper dynamic link,
2708 or elf_cris_size_dynamic_sections if no dynamic sections will be
2709 created (we're only linking static objects). */
915e5146 2710
b34976b6 2711static bfd_boolean
2c3fc389 2712elf_cris_adjust_gotplt_to_got (struct elf_cris_link_hash_entry *h, void * p)
915e5146
HPN
2713{
2714 struct bfd_link_info *info = (struct bfd_link_info *) p;
915e5146 2715
970d488d 2716 /* A GOTPLT reloc, when activated, is supposed to be included into
086554e8 2717 the PLT refcount, when the symbol isn't set-or-forced local. */
970d488d 2718 BFD_ASSERT (h->gotplt_refcount == 0
086554e8 2719 || h->root.plt.refcount == -1
970d488d
HPN
2720 || h->gotplt_refcount <= h->root.plt.refcount);
2721
915e5146
HPN
2722 /* If nobody wanted a GOTPLT with this symbol, we're done. */
2723 if (h->gotplt_refcount <= 0)
b34976b6 2724 return TRUE;
915e5146 2725
100382c7 2726 if (h->reg_got_refcount > 0)
915e5146 2727 {
100382c7
HPN
2728 /* There's a GOT entry for this symbol. Just adjust the refcounts.
2729 Probably not necessary at this stage, but keeping them accurate
915e5146
HPN
2730 helps avoiding surprises later. */
2731 h->root.got.refcount += h->gotplt_refcount;
100382c7 2732 h->reg_got_refcount += h->gotplt_refcount;
5e0f5ae3 2733 h->gotplt_refcount = 0;
915e5146
HPN
2734 }
2735 else
2736 {
4d96d128 2737 /* No GOT entry for this symbol. We need to create one. */
8d1d654f
AM
2738 asection *sgot;
2739 asection *srelgot;
2740
ce558b89
AM
2741 sgot = elf_hash_table (info)->sgot;
2742 srelgot = elf_hash_table (info)->srelgot;
915e5146 2743
100382c7 2744 /* Put accurate refcounts there. */
086554e8 2745 BFD_ASSERT (h->root.got.refcount >= 0);
100382c7
HPN
2746 h->root.got.refcount += h->gotplt_refcount;
2747 h->reg_got_refcount = h->gotplt_refcount;
915e5146 2748
5e0f5ae3 2749 h->gotplt_refcount = 0;
915e5146 2750
44aa49bb
HPN
2751 /* We always have a .got and a .rela.got section if there were
2752 GOTPLT relocs in input. */
2753 BFD_ASSERT (sgot != NULL && srelgot != NULL);
915e5146
HPN
2754
2755 /* Allocate space in the .got section. */
eea6121a 2756 sgot->size += 4;
915e5146
HPN
2757
2758 /* Allocate relocation space. */
eea6121a 2759 srelgot->size += sizeof (Elf32_External_Rela);
915e5146
HPN
2760 }
2761
b34976b6 2762 return TRUE;
915e5146
HPN
2763}
2764
2765/* Try to fold PLT entries with GOT entries. There are two cases when we
2766 want to do this:
2767
2768 - When all PLT references are GOTPLT references, and there are GOT
e4a2175c
HPN
2769 references, and this is not the executable. We don't have to
2770 generate a PLT at all.
915e5146 2771
e4a2175c
HPN
2772 - When there are both (ordinary) PLT references and GOT references,
2773 and this isn't the executable.
915e5146 2774 We want to make the PLT reference use the ordinary GOT entry rather
e4a2175c
HPN
2775 than R_CRIS_JUMP_SLOT, a run-time dynamically resolved GOTPLT entry,
2776 since the GOT entry will have to be resolved at startup anyway.
915e5146
HPN
2777
2778 Though the latter case is handled when room for the PLT is allocated,
2779 not here.
2780
e4a2175c
HPN
2781 By folding into the GOT, we may need a round-trip to a PLT in the
2782 executable for calls, a loss in performance. Still, losing a
2783 reloc is a win in size and at least in start-up time.
2784
915e5146
HPN
2785 Note that this function is called before symbols are forced local by
2786 version scripts. The differing cases are handled by
2787 elf_cris_hide_symbol. */
2788
b34976b6 2789static bfd_boolean
2c3fc389 2790elf_cris_try_fold_plt_to_got (struct elf_cris_link_hash_entry *h, void * p)
915e5146
HPN
2791{
2792 struct bfd_link_info *info = (struct bfd_link_info *) p;
2793
2794 /* If there are no GOT references for this symbol, we can't fold any
2795 other reference so there's nothing to do. Likewise if there are no
2796 PLT references; GOTPLT references included. */
2797 if (h->root.got.refcount <= 0 || h->root.plt.refcount <= 0)
b34976b6 2798 return TRUE;
915e5146
HPN
2799
2800 /* GOTPLT relocs are supposed to be included into the PLT refcount. */
2801 BFD_ASSERT (h->gotplt_refcount <= h->root.plt.refcount);
2802
2803 if (h->gotplt_refcount == h->root.plt.refcount)
2804 {
4d96d128 2805 /* The only PLT references are GOTPLT references, and there are GOT
915e5146
HPN
2806 references. Convert PLT to GOT references. */
2807 if (! elf_cris_adjust_gotplt_to_got (h, info))
b34976b6 2808 return FALSE;
915e5146
HPN
2809
2810 /* Clear the PLT references, so no PLT will be created. */
2811 h->root.plt.offset = (bfd_vma) -1;
2812 }
2813
b34976b6 2814 return TRUE;
915e5146
HPN
2815}
2816
2817/* Our own version of hide_symbol, so that we can adjust a GOTPLT reloc
2818 to use a GOT entry (and create one) rather than requiring a GOTPLT
2819 entry. */
2820
2821static void
2c3fc389
NC
2822elf_cris_hide_symbol (struct bfd_link_info *info,
2823 struct elf_link_hash_entry *h,
2824 bfd_boolean force_local)
915e5146
HPN
2825{
2826 elf_cris_adjust_gotplt_to_got ((struct elf_cris_link_hash_entry *) h, info);
2827
e5094212 2828 _bfd_elf_link_hash_hide_symbol (info, h, force_local);
915e5146
HPN
2829}
2830
2831/* Adjust a symbol defined by a dynamic object and referenced by a
2832 regular object. The current definition is in some section of the
2833 dynamic object, but we're not including those sections. We have to
2834 change the definition to something the rest of the link can
2835 understand. */
2836
b34976b6 2837static bfd_boolean
4dfe6ac6
NC
2838elf_cris_adjust_dynamic_symbol (struct bfd_link_info *info,
2839 struct elf_link_hash_entry *h)
915e5146 2840{
4dfe6ac6 2841 struct elf_cris_link_hash_table * htab;
915e5146
HPN
2842 bfd *dynobj;
2843 asection *s;
1fbd05e1 2844 asection *srel;
bac23f82 2845 bfd_size_type plt_entry_size;
915e5146 2846
4dfe6ac6
NC
2847 htab = elf_cris_hash_table (info);
2848 if (htab == NULL)
2849 return FALSE;
2850
ce558b89 2851 dynobj = htab->root.dynobj;
915e5146
HPN
2852
2853 /* Make sure we know what is going on here. */
2854 BFD_ASSERT (dynobj != NULL
f5385ebf 2855 && (h->needs_plt
f6e332e6 2856 || h->u.weakdef != NULL
f5385ebf
AM
2857 || (h->def_dynamic
2858 && h->ref_regular
2859 && !h->def_regular)));
915e5146 2860
bac23f82
HPN
2861 plt_entry_size
2862 = (bfd_get_mach (dynobj) == bfd_mach_cris_v32
2863 ? PLT_ENTRY_SIZE_V32 : PLT_ENTRY_SIZE);
2864
915e5146
HPN
2865 /* If this is a function, put it in the procedure linkage table. We
2866 will fill in the contents of the procedure linkage table later,
2867 when we know the address of the .got section. */
2868 if (h->type == STT_FUNC
f5385ebf 2869 || h->needs_plt)
915e5146 2870 {
6849c52f
HPN
2871 /* If we link a program (not a DSO), we'll get rid of unnecessary
2872 PLT entries; we point to the actual symbols -- even for pic
2873 relocs, because a program built with -fpic should have the same
2874 result as one built without -fpic, specifically considering weak
2875 symbols.
2876 FIXME: m68k and i386 differ here, for unclear reasons. */
0e1862bb 2877 if (! bfd_link_pic (info)
f5385ebf 2878 && !h->def_dynamic)
915e5146
HPN
2879 {
2880 /* This case can occur if we saw a PLT reloc in an input file,
6849c52f
HPN
2881 but the symbol was not defined by a dynamic object. In such
2882 a case, we don't actually need to build a procedure linkage
2883 table, and we can just do an absolute or PC reloc instead, or
4d96d128 2884 change a .got.plt index to a .got index for GOTPLT relocs. */
f5385ebf
AM
2885 BFD_ASSERT (h->needs_plt);
2886 h->needs_plt = 0;
915e5146 2887 h->plt.offset = (bfd_vma) -1;
915e5146
HPN
2888 return
2889 elf_cris_adjust_gotplt_to_got ((struct
2890 elf_cris_link_hash_entry *) h,
2891 info);
2892 }
2893
e4a2175c
HPN
2894 /* If we had a R_CRIS_GLOB_DAT that didn't have to point to a PLT;
2895 where a pointer-equivalent symbol was unimportant (i.e. more
2896 like R_CRIS_JUMP_SLOT after symbol evaluation) we could get rid
2897 of the PLT. We can't for the executable, because the GOT
2898 entries will point to the PLT there (and be constant). */
0e1862bb 2899 if (bfd_link_pic (info)
e4a2175c
HPN
2900 && !elf_cris_try_fold_plt_to_got ((struct elf_cris_link_hash_entry*)
2901 h, info))
b34976b6 2902 return FALSE;
915e5146
HPN
2903
2904 /* GC or folding may have rendered this entry unused. */
2905 if (h->plt.refcount <= 0)
2906 {
f5385ebf 2907 h->needs_plt = 0;
915e5146 2908 h->plt.offset = (bfd_vma) -1;
b34976b6 2909 return TRUE;
915e5146
HPN
2910 }
2911
2912 /* Make sure this symbol is output as a dynamic symbol. */
2913 if (h->dynindx == -1)
2914 {
c152c796 2915 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 2916 return FALSE;
915e5146
HPN
2917 }
2918
ce558b89 2919 s = htab->root.splt;
915e5146
HPN
2920 BFD_ASSERT (s != NULL);
2921
2922 /* If this is the first .plt entry, make room for the special
2923 first entry. */
eea6121a 2924 if (s->size == 0)
bac23f82 2925 s->size += plt_entry_size;
915e5146
HPN
2926
2927 /* If this symbol is not defined in a regular file, and we are
2928 not generating a shared library, then set the symbol to this
6849c52f 2929 location in the .plt. */
0e1862bb 2930 if (!bfd_link_pic (info)
f5385ebf 2931 && !h->def_regular)
915e5146
HPN
2932 {
2933 h->root.u.def.section = s;
eea6121a 2934 h->root.u.def.value = s->size;
915e5146
HPN
2935 }
2936
4d96d128
HPN
2937 /* If there's already a GOT entry, use that, not a .got.plt. A
2938 GOT field still has a reference count when we get here; it's
e4a2175c
HPN
2939 not yet changed to an offset. We can't do this for an
2940 executable, because then the reloc associated with the PLT
2941 would get a non-PLT reloc pointing to the PLT. FIXME: Move
2942 this to elf_cris_try_fold_plt_to_got. */
0e1862bb 2943 if (bfd_link_pic (info) && h->got.refcount > 0)
915e5146
HPN
2944 {
2945 h->got.refcount += h->plt.refcount;
2946
2947 /* Mark the PLT offset to use the GOT entry by setting the low
2948 bit in the plt offset; it is always a multiple of
bac23f82
HPN
2949 plt_entry_size (which is at least a multiple of 2). */
2950 BFD_ASSERT ((s->size % plt_entry_size) == 0);
915e5146
HPN
2951
2952 /* Change the PLT refcount to an offset. */
eea6121a 2953 h->plt.offset = s->size;
915e5146
HPN
2954
2955 /* By not setting gotplt_offset (i.e. it remains at 0), we signal
2956 that the got entry should be used instead. */
2957 BFD_ASSERT (((struct elf_cris_link_hash_entry *)
2958 h)->gotplt_offset == 0);
2959
2960 /* Make room for this entry. */
bac23f82 2961 s->size += plt_entry_size;
915e5146 2962
b34976b6 2963 return TRUE;
915e5146
HPN
2964 }
2965
2966 /* No GOT reference for this symbol; prepare for an ordinary PLT. */
eea6121a 2967 h->plt.offset = s->size;
915e5146
HPN
2968
2969 /* Make room for this entry. */
bac23f82 2970 s->size += plt_entry_size;
915e5146
HPN
2971
2972 /* We also need to make an entry in the .got.plt section, which
2973 will be placed in the .got section by the linker script. */
2974 ((struct elf_cris_link_hash_entry *) h)->gotplt_offset
4dfe6ac6
NC
2975 = htab->next_gotplt_entry;
2976 htab->next_gotplt_entry += 4;
915e5146 2977
ce558b89 2978 s = htab->root.sgotplt;
915e5146 2979 BFD_ASSERT (s != NULL);
eea6121a 2980 s->size += 4;
915e5146
HPN
2981
2982 /* We also need to make an entry in the .rela.plt section. */
2983
ce558b89 2984 s = htab->root.srelplt;
915e5146 2985 BFD_ASSERT (s != NULL);
eea6121a 2986 s->size += sizeof (Elf32_External_Rela);
915e5146 2987
b34976b6 2988 return TRUE;
915e5146
HPN
2989 }
2990
2991 /* Reinitialize the plt offset now that it is not used as a reference
2992 count any more. */
2993 h->plt.offset = (bfd_vma) -1;
2994
2995 /* If this is a weak symbol, and there is a real definition, the
2996 processor independent code will have arranged for us to see the
2997 real definition first, and we can just use the same value. */
f6e332e6 2998 if (h->u.weakdef != NULL)
915e5146 2999 {
f6e332e6
AM
3000 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
3001 || h->u.weakdef->root.type == bfd_link_hash_defweak);
3002 h->root.u.def.section = h->u.weakdef->root.u.def.section;
3003 h->root.u.def.value = h->u.weakdef->root.u.def.value;
b34976b6 3004 return TRUE;
915e5146
HPN
3005 }
3006
3007 /* This is a reference to a symbol defined by a dynamic object which
3008 is not a function. */
3009
3010 /* If we are creating a shared library, we must presume that the
3011 only references to the symbol are via the global offset table.
3012 For such cases we need not do anything here; the relocations will
3013 be handled correctly by relocate_section. */
0e1862bb 3014 if (bfd_link_pic (info))
b34976b6 3015 return TRUE;
915e5146
HPN
3016
3017 /* If there are no references to this symbol that do not use the
3018 GOT, we don't need to generate a copy reloc. */
f5385ebf 3019 if (!h->non_got_ref)
b34976b6 3020 return TRUE;
915e5146
HPN
3021
3022 /* We must allocate the symbol in our .dynbss section, which will
3023 become part of the .bss section of the executable. There will be
3024 an entry for this symbol in the .dynsym section. The dynamic
3025 object will contain position independent code, so all references
3026 from the dynamic object to this symbol will go through the global
3027 offset table. The dynamic linker will use the .dynsym entry to
3028 determine the address it must put in the global offset table, so
3029 both the dynamic object and the regular object will refer to the
3030 same memory location for the variable. */
3031
915e5146
HPN
3032 /* We must generate a R_CRIS_COPY reloc to tell the dynamic linker to
3033 copy the initial value out of the dynamic object and into the
3034 runtime process image. We need to remember the offset into the
3035 .rela.bss section we are going to use. */
1fbd05e1
HPN
3036
3037 if ((h->root.u.def.section->flags & SEC_READONLY) != 0)
3038 {
3039 s = htab->root.sdynrelro;
3040 srel = htab->root.sreldynrelro;
3041 }
3042 else
3043 {
3044 s = htab->root.sdynbss;
3045 srel = htab->root.srelbss;
3046 }
1d7e9d18 3047 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
915e5146 3048 {
915e5146 3049 BFD_ASSERT (srel != NULL);
eea6121a 3050 srel->size += sizeof (Elf32_External_Rela);
f5385ebf 3051 h->needs_copy = 1;
915e5146
HPN
3052 }
3053
1fbd05e1
HPN
3054 BFD_ASSERT (s != NULL);
3055
6cabe1ea 3056 return _bfd_elf_adjust_dynamic_copy (info, h, s);
915e5146
HPN
3057}
3058
237bc7f0
HPN
3059/* Adjust our "subclass" elements for an indirect symbol. */
3060
3061static void
3062elf_cris_copy_indirect_symbol (struct bfd_link_info *info,
3063 struct elf_link_hash_entry *dir,
3064 struct elf_link_hash_entry *ind)
3065{
3066 struct elf_cris_link_hash_entry *edir, *eind;
3067
3068 edir = (struct elf_cris_link_hash_entry *) dir;
3069 eind = (struct elf_cris_link_hash_entry *) ind;
3070
867ea5fd
HPN
3071 /* Only indirect symbols are replaced; we're not interested in
3072 updating any of EIND's fields for other symbols. */
3073 if (eind->root.root.type != bfd_link_hash_indirect)
451ffe63
HPN
3074 {
3075 /* Still, we need to copy flags for e.g. weak definitions. */
3076 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
3077 return;
3078 }
867ea5fd 3079
237bc7f0
HPN
3080 BFD_ASSERT (edir->gotplt_offset == 0 || eind->gotplt_offset == 0);
3081
3082#define XMOVOPZ(F, OP, Z) edir->F OP eind->F; eind->F = Z
3083#define XMOVE(F) XMOVOPZ (F, +=, 0)
bfbff9eb
HPN
3084 if (eind->pcrel_relocs_copied != NULL)
3085 {
3086 if (edir->pcrel_relocs_copied != NULL)
3087 {
3088 struct elf_cris_pcrel_relocs_copied **pp;
3089 struct elf_cris_pcrel_relocs_copied *p;
3090
3091 /* Add reloc counts against the indirect sym to the direct sym
3092 list. Merge any entries against the same section. */
3093 for (pp = &eind->pcrel_relocs_copied; *pp != NULL;)
3094 {
3095 struct elf_cris_pcrel_relocs_copied *q;
3096 p = *pp;
3097 for (q = edir->pcrel_relocs_copied; q != NULL; q = q->next)
3098 if (q->section == p->section)
3099 {
3100 q->count += p->count;
3101 *pp = p->next;
3102 break;
3103 }
3104 if (q == NULL)
3105 pp = &p->next;
3106 }
3107 *pp = edir->pcrel_relocs_copied;
3108 }
3109 XMOVOPZ (pcrel_relocs_copied, =, NULL);
3110 }
237bc7f0
HPN
3111 XMOVE (gotplt_refcount);
3112 XMOVE (gotplt_offset);
3113 XMOVE (reg_got_refcount);
3114 XMOVE (tprel_refcount);
3115 XMOVE (dtp_refcount);
3116#undef XMOVE
3117#undef XMOVOPZ
3118
3119 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
3120}
3121
915e5146 3122/* Look through the relocs for a section during the first phase. */
a7c10850 3123
b34976b6 3124static bfd_boolean
4dfe6ac6
NC
3125cris_elf_check_relocs (bfd *abfd,
3126 struct bfd_link_info *info,
3127 asection *sec,
3128 const Elf_Internal_Rela *relocs)
06c15ad7 3129{
4dfe6ac6 3130 struct elf_cris_link_hash_table * htab;
915e5146 3131 bfd *dynobj;
06c15ad7 3132 Elf_Internal_Shdr *symtab_hdr;
5582a088 3133 struct elf_link_hash_entry **sym_hashes;
915e5146 3134 bfd_signed_vma *local_got_refcounts;
06c15ad7
HPN
3135 const Elf_Internal_Rela *rel;
3136 const Elf_Internal_Rela *rel_end;
915e5146
HPN
3137 asection *sgot;
3138 asection *srelgot;
3139 asection *sreloc;
a7c10850 3140
0e1862bb 3141 if (bfd_link_relocatable (info))
b34976b6 3142 return TRUE;
a7c10850 3143
4dfe6ac6
NC
3144 htab = elf_cris_hash_table (info);
3145 if (htab == NULL)
3146 return FALSE;
3147
915e5146 3148 dynobj = elf_hash_table (info)->dynobj;
06c15ad7
HPN
3149 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
3150 sym_hashes = elf_sym_hashes (abfd);
915e5146
HPN
3151 local_got_refcounts = elf_local_got_refcounts (abfd);
3152
3153 sgot = NULL;
3154 srelgot = NULL;
3155 sreloc = NULL;
3156
06c15ad7
HPN
3157 rel_end = relocs + sec->reloc_count;
3158 for (rel = relocs; rel < rel_end; rel++)
3159 {
3160 struct elf_link_hash_entry *h;
3161 unsigned long r_symndx;
915e5146 3162 enum elf_cris_reloc_type r_type;
100382c7
HPN
3163 bfd_signed_vma got_element_size = 4;
3164 unsigned long r_symndx_lgot = INT_MAX;
a7c10850 3165
06c15ad7
HPN
3166 r_symndx = ELF32_R_SYM (rel->r_info);
3167 if (r_symndx < symtab_hdr->sh_info)
100382c7
HPN
3168 {
3169 h = NULL;
3170 r_symndx_lgot = LGOT_REG_NDX (r_symndx);
3171 }
06c15ad7 3172 else
973a3492
L
3173 {
3174 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
3175 while (h->root.type == bfd_link_hash_indirect
3176 || h->root.type == bfd_link_hash_warning)
3177 h = (struct elf_link_hash_entry *) h->root.u.i.link;
81fbe831
AM
3178
3179 /* PR15323, ref flags aren't set for references in the same
3180 object. */
3181 h->root.non_ir_ref = 1;
973a3492 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 {
4eca0228 3231 _bfd_error_handler
695344c0 3232 /* xgettext:c-format */
bac23f82
HPN
3233 (_("%B, section %A:\n v10/v32 compatible object %s"
3234 " must not contain a PIC relocation"),
3235 abfd, sec);
3236 return FALSE;
3237 }
6dd38d79 3238 }
bac23f82 3239
6dd38d79
HPN
3240 if (sgot == NULL)
3241 {
3242 /* We may have a dynobj but no .got section, if machine-
3243 independent parts of the linker found a reason to create
3244 a dynobj. We want to create the .got section now, so we
3245 can assume it's always present whenever there's a dynobj.
3246 It's ok to call this function more than once. */
915e5146 3247 if (!_bfd_elf_create_got_section (dynobj, info))
b34976b6 3248 return FALSE;
100382c7 3249
ce558b89
AM
3250 sgot = elf_hash_table (info)->sgot;
3251 srelgot = elf_hash_table (info)->srelgot;
6dd38d79 3252 }
100382c7
HPN
3253
3254 if (local_got_refcounts == NULL)
3255 {
3256 bfd_size_type amt;
3257
3258 /* We use index local_got_refcounts[-1] to count all
3259 GOT-relative relocations that do not have explicit
3260 GOT entries. */
3261 amt = LGOT_ALLOC_NELTS_FOR (symtab_hdr->sh_info) + 1;
3262 amt *= sizeof (bfd_signed_vma);
3263 local_got_refcounts = ((bfd_signed_vma *) bfd_zalloc (abfd, amt));
3264 if (local_got_refcounts == NULL)
3265 return FALSE;
3266
3267 local_got_refcounts++;
3268 elf_local_got_refcounts (abfd) = local_got_refcounts;
3269 }
915e5146
HPN
3270 break;
3271
3272 default:
3273 break;
3274 }
3275
100382c7
HPN
3276 /* Warn and error for invalid input. */
3277 switch (r_type)
3278 {
75f500d7 3279 case R_CRIS_32_IE:
100382c7
HPN
3280 case R_CRIS_32_TPREL:
3281 case R_CRIS_16_TPREL:
3282 case R_CRIS_32_GD:
0e1862bb 3283 if (bfd_link_pic (info))
915e5146 3284 {
4eca0228 3285 _bfd_error_handler
695344c0 3286 /* xgettext:c-format */
100382c7
HPN
3287 (_("%B, section %A:\n relocation %s not valid"
3288 " in a shared object;"
3289 " typically an option mixup, recompile with -fPIC"),
3290 abfd,
3291 sec,
3292 cris_elf_howto_table[r_type].name);
3293 /* Don't return FALSE here; we want messages for all of
3294 these and the error behavior is ungraceful
3295 anyway. */
3296 }
3297 default:
3298 break;
3299 }
915e5146 3300
100382c7
HPN
3301 switch (r_type)
3302 {
3303 case R_CRIS_32_GD:
3304 case R_CRIS_16_GOT_GD:
3305 case R_CRIS_32_GOT_GD:
3306 /* These are requests for tls_index entries, run-time R_CRIS_DTP. */
3307 got_element_size = 8;
3308 r_symndx_lgot = LGOT_DTP_NDX (r_symndx);
3309 break;
915e5146 3310
100382c7
HPN
3311 case R_CRIS_16_DTPREL:
3312 case R_CRIS_32_DTPREL:
3313 /* These two just request for the constant-index
3314 module-local tls_index-sized GOT entry, which we add
3315 elsewhere. */
915e5146
HPN
3316 break;
3317
75f500d7 3318 case R_CRIS_32_IE:
100382c7
HPN
3319 case R_CRIS_32_GOT_TPREL:
3320 case R_CRIS_16_GOT_TPREL:
3321 r_symndx_lgot = LGOT_TPREL_NDX (r_symndx);
3322
75f500d7 3323 /* Those relocs also require that a DSO is of type
100382c7
HPN
3324 Initial Exec. Like other targets, we don't reset this
3325 flag even if the relocs are GC:ed away. */
0e1862bb 3326 if (bfd_link_pic (info))
100382c7
HPN
3327 info->flags |= DF_STATIC_TLS;
3328 break;
3329
3330 /* Let's list the other assembler-generated TLS-relocs too,
3331 just to show that they're not forgotten. */
3332 case R_CRIS_16_TPREL:
3333 case R_CRIS_32_TPREL:
915e5146
HPN
3334 default:
3335 break;
3336 }
3337
4d96d128 3338 switch (r_type)
06c15ad7 3339 {
915e5146
HPN
3340 case R_CRIS_16_GOTPLT:
3341 case R_CRIS_32_GOTPLT:
3342 /* Mark that we need a GOT entry if the PLT entry (and its GOT
3343 entry) is eliminated. We can only do this for a non-local
3344 symbol. */
3345 if (h != NULL)
3346 {
100382c7 3347 elf_cris_hash_entry (h)->gotplt_refcount++;
915e5146
HPN
3348 goto handle_gotplt_reloc;
3349 }
3350 /* If h is NULL then this is a local symbol, and we must make a
3351 GOT entry for it, so handle it like a GOT reloc. */
3352 /* Fall through. */
3353
75f500d7 3354 case R_CRIS_32_IE:
100382c7
HPN
3355 case R_CRIS_32_GD:
3356 case R_CRIS_16_GOT_GD:
3357 case R_CRIS_32_GOT_GD:
3358 case R_CRIS_32_GOT_TPREL:
3359 case R_CRIS_16_GOT_TPREL:
915e5146
HPN
3360 case R_CRIS_16_GOT:
3361 case R_CRIS_32_GOT:
3362 /* This symbol requires a global offset table entry. */
915e5146
HPN
3363 if (h != NULL)
3364 {
51b64d56 3365 if (h->got.refcount == 0)
915e5146 3366 {
915e5146
HPN
3367 /* Make sure this symbol is output as a dynamic symbol. */
3368 if (h->dynindx == -1)
3369 {
c152c796 3370 if (!bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 3371 return FALSE;
915e5146 3372 }
915e5146 3373 }
100382c7
HPN
3374
3375 /* Update the sum of reloc counts for this symbol. */
51b64d56 3376 h->got.refcount++;
100382c7
HPN
3377
3378 switch (r_type)
3379 {
3380 case R_CRIS_16_GOT:
3381 case R_CRIS_32_GOT:
3382 if (elf_cris_hash_entry (h)->reg_got_refcount == 0)
3383 {
3384 /* Allocate space in the .got section. */
3385 sgot->size += got_element_size;
3386 /* Allocate relocation space. */
3387 srelgot->size += sizeof (Elf32_External_Rela);
3388 }
3389 elf_cris_hash_entry (h)->reg_got_refcount++;
3390 break;
3391
3392 case R_CRIS_32_GD:
3393 case R_CRIS_16_GOT_GD:
3394 case R_CRIS_32_GOT_GD:
3395 if (elf_cris_hash_entry (h)->dtp_refcount == 0)
3396 {
3397 /* Allocate space in the .got section. */
3398 sgot->size += got_element_size;
3399 /* Allocate relocation space. */
3400 srelgot->size += sizeof (Elf32_External_Rela);
3401 }
3402 elf_cris_hash_entry (h)->dtp_refcount++;
3403 break;
3404
75f500d7 3405 case R_CRIS_32_IE:
100382c7
HPN
3406 case R_CRIS_32_GOT_TPREL:
3407 case R_CRIS_16_GOT_TPREL:
3408 if (elf_cris_hash_entry (h)->tprel_refcount == 0)
3409 {
3410 /* Allocate space in the .got section. */
3411 sgot->size += got_element_size;
3412 /* Allocate relocation space. */
3413 srelgot->size += sizeof (Elf32_External_Rela);
3414 }
3415 elf_cris_hash_entry (h)->tprel_refcount++;
3416 break;
3417
3418 default:
3419 BFD_FAIL ();
3420 break;
3421 }
915e5146
HPN
3422 }
3423 else
3424 {
3425 /* This is a global offset table entry for a local symbol. */
100382c7 3426 if (local_got_refcounts[r_symndx_lgot] == 0)
915e5146 3427 {
100382c7 3428 sgot->size += got_element_size;
0e1862bb 3429 if (bfd_link_pic (info))
915e5146 3430 {
100382c7
HPN
3431 /* If we are generating a shared object, we need
3432 to output a R_CRIS_RELATIVE reloc so that the
3433 dynamic linker can adjust this GOT entry.
3434 Similarly for non-regular got entries. */
eea6121a 3435 srelgot->size += sizeof (Elf32_External_Rela);
915e5146
HPN
3436 }
3437 }
100382c7
HPN
3438 /* Update the reloc-specific count. */
3439 local_got_refcounts[r_symndx_lgot]++;
3440
3441 /* This one is the sum of all the others. */
51b64d56 3442 local_got_refcounts[r_symndx]++;
915e5146
HPN
3443 }
3444 break;
3445
100382c7
HPN
3446 case R_CRIS_16_DTPREL:
3447 case R_CRIS_32_DTPREL:
915e5146
HPN
3448 case R_CRIS_32_GOTREL:
3449 /* This reference requires a global offset table.
3450 FIXME: The actual refcount isn't used currently; the .got
3451 section can't be removed if there were any references in the
3452 input. */
3453 local_got_refcounts[-1]++;
3454 break;
3455
3456 handle_gotplt_reloc:
3457
3458 case R_CRIS_32_PLT_GOTREL:
3459 /* This reference requires a global offset table. */
3460 local_got_refcounts[-1]++;
3461 /* Fall through. */
3462
3463 case R_CRIS_32_PLT_PCREL:
3464 /* This symbol requires a procedure linkage table entry. We
3465 actually build the entry in adjust_dynamic_symbol,
3466 because this might be a case of linking PIC code which is
3467 never referenced by a dynamic object, in which case we
3468 don't need to generate a procedure linkage table entry
3469 after all. */
3470
ada1953e
HPN
3471 /* Beware: if we'd check for visibility of the symbol here
3472 (and not marking the need for a PLT when non-visible), we'd
3473 get into trouble with keeping handling consistent with
3474 regards to relocs found before definition and GOTPLT
3475 handling. Eliminable PLT entries will be dealt with later
3476 anyway. */
3477 if (h == NULL)
915e5146
HPN
3478 continue;
3479
f5385ebf 3480 h->needs_plt = 1;
086554e8
HPN
3481
3482 /* If the symbol is forced local, the refcount is unavailable. */
3483 if (h->plt.refcount != -1)
3484 h->plt.refcount++;
915e5146
HPN
3485 break;
3486
3487 case R_CRIS_8:
3488 case R_CRIS_16:
3489 case R_CRIS_32:
3490 /* Let's help debug shared library creation. Any of these
0d08de41
HPN
3491 relocs *can* be used in shared libs, but pages containing
3492 them cannot be shared, so they're not appropriate for
3493 common use. Don't warn for sections we don't care about,
3494 such as debug sections or non-constant sections. We
3495 can't help tables of (global) function pointers, for
3496 example, though they must be emitted in a (writable) data
3497 section to avoid having impure text sections. */
0e1862bb 3498 if (bfd_link_pic (info)
915e5146
HPN
3499 && (sec->flags & SEC_ALLOC) != 0
3500 && (sec->flags & SEC_READONLY) != 0)
3501 {
3502 /* FIXME: How do we make this optionally a warning only? */
4eca0228 3503 _bfd_error_handler
695344c0 3504 /* xgettext:c-format */
bac23f82
HPN
3505 (_("%B, section %A:\n relocation %s should not"
3506 " be used in a shared object; recompile with -fPIC"),
d003868e
AM
3507 abfd,
3508 sec,
8f615d07 3509 cris_elf_howto_table[r_type].name);
915e5146 3510 }
28f68c73
HPN
3511
3512 /* We don't need to handle relocs into sections not going into
3513 the "real" output. */
3514 if ((sec->flags & SEC_ALLOC) == 0)
3515 break;
3516
0d08de41
HPN
3517 if (h != NULL)
3518 {
3519 h->non_got_ref = 1;
100382c7 3520
0d08de41
HPN
3521 /* Make sure a plt entry is created for this symbol if it
3522 turns out to be a function defined by a dynamic object. */
3523 if (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
3524 h->plt.refcount++;
3525 }
3526
3527 /* If we are creating a shared library and this is not a local
3528 symbol, we need to copy the reloc into the shared library.
3529 However when linking with -Bsymbolic and this is a global
3530 symbol which is defined in an object we are including in the
3531 link (i.e., DEF_REGULAR is set), then we can resolve the
3532 reloc directly. At this point we have not seen all the input
3533 files, so it is possible that DEF_REGULAR is not set now but
3534 will be set later (it is never cleared). In case of a weak
3535 definition, DEF_REGULAR may be cleared later by a strong
3536 definition in a shared library. We account for that
3537 possibility below by storing information in the relocs_copied
3538 field of the hash table entry. A similar situation occurs
3539 when creating shared libraries and symbol visibility changes
3540 render the symbol local. */
3541
3542 /* No need to do anything if we're not creating a shared object. */
0e1862bb 3543 if (! bfd_link_pic (info))
0d08de41
HPN
3544 break;
3545
0d08de41
HPN
3546 /* We may need to create a reloc section in the dynobj and made room
3547 for this reloc. */
3548 if (sreloc == NULL)
3549 {
3550 sreloc = _bfd_elf_make_dynamic_reloc_section
3551 (sec, dynobj, 2, abfd, /*rela?*/ TRUE);
3552
3553 if (sreloc == NULL)
3554 return FALSE;
3555 }
3556
3557 if (sec->flags & SEC_READONLY)
3558 info->flags |= DF_TEXTREL;
3559
3560 sreloc->size += sizeof (Elf32_External_Rela);
3561 break;
915e5146
HPN
3562
3563 case R_CRIS_8_PCREL:
3564 case R_CRIS_16_PCREL:
3565 case R_CRIS_32_PCREL:
3566 if (h != NULL)
3567 {
f5385ebf 3568 h->non_got_ref = 1;
915e5146
HPN
3569
3570 /* Make sure a plt entry is created for this symbol if it
3571 turns out to be a function defined by a dynamic object. */
0a4787a0
HPN
3572 if (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
3573 h->plt.refcount++;
915e5146
HPN
3574 }
3575
3576 /* If we are creating a shared library and this is not a local
3577 symbol, we need to copy the reloc into the shared library.
3578 However when linking with -Bsymbolic and this is a global
3579 symbol which is defined in an object we are including in the
3580 link (i.e., DEF_REGULAR is set), then we can resolve the
3581 reloc directly. At this point we have not seen all the input
3582 files, so it is possible that DEF_REGULAR is not set now but
3583 will be set later (it is never cleared). In case of a weak
3584 definition, DEF_REGULAR may be cleared later by a strong
3585 definition in a shared library. We account for that
3586 possibility below by storing information in the relocs_copied
3587 field of the hash table entry. A similar situation occurs
3588 when creating shared libraries and symbol visibility changes
3589 render the symbol local. */
3590
3591 /* No need to do anything if we're not creating a shared object. */
0e1862bb 3592 if (! bfd_link_pic (info))
915e5146
HPN
3593 break;
3594
3595 /* We don't need to handle relocs into sections not going into
3596 the "real" output. */
3597 if ((sec->flags & SEC_ALLOC) == 0)
3598 break;
3599
0d08de41
HPN
3600 /* If the symbol is local, then we know already we can
3601 eliminate the reloc. */
3602 if (h == NULL || ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
3603 break;
bac23f82 3604
0d08de41
HPN
3605 /* If this is with -Bsymbolic and the symbol isn't weak, and
3606 is defined by an ordinary object (the ones we include in
3607 this shared library) then we can also eliminate the
3608 reloc. See comment above for more eliminable cases which
3609 we can't identify at this time. */
cb1c8103 3610 if (SYMBOLIC_BIND (info, h)
0d08de41
HPN
3611 && h->root.type != bfd_link_hash_defweak
3612 && h->def_regular)
3613 break;
915e5146 3614
83bac4b0
NC
3615 /* We may need to create a reloc section in the dynobj and made room
3616 for this reloc. */
915e5146
HPN
3617 if (sreloc == NULL)
3618 {
83bac4b0
NC
3619 sreloc = _bfd_elf_make_dynamic_reloc_section
3620 (sec, dynobj, 2, abfd, /*rela?*/ TRUE);
915e5146 3621
83bac4b0 3622 if (sreloc == NULL)
b34976b6 3623 return FALSE;
915e5146
HPN
3624 }
3625
eea6121a 3626 sreloc->size += sizeof (Elf32_External_Rela);
915e5146 3627
0d08de41
HPN
3628 /* We count the number of PC relative relocations we have
3629 entered for this symbol, so that we can discard them
3630 again if the symbol is later defined by a regular object.
3631 We know that h is really a pointer to an
915e5146 3632 elf_cris_link_hash_entry. */
0d08de41
HPN
3633 {
3634 struct elf_cris_link_hash_entry *eh;
3635 struct elf_cris_pcrel_relocs_copied *p;
915e5146 3636
0d08de41 3637 eh = elf_cris_hash_entry (h);
915e5146 3638
0d08de41 3639 for (p = eh->pcrel_relocs_copied; p != NULL; p = p->next)
bfbff9eb 3640 if (p->section == sec)
0d08de41 3641 break;
915e5146 3642
0d08de41
HPN
3643 if (p == NULL)
3644 {
3645 p = ((struct elf_cris_pcrel_relocs_copied *)
3646 bfd_alloc (dynobj, (bfd_size_type) sizeof *p));
3647 if (p == NULL)
3648 return FALSE;
3649 p->next = eh->pcrel_relocs_copied;
3650 eh->pcrel_relocs_copied = p;
bfbff9eb 3651 p->section = sec;
0d08de41
HPN
3652 p->count = 0;
3653 p->r_type = r_type;
3654 }
915e5146 3655
0d08de41
HPN
3656 ++p->count;
3657 }
915e5146
HPN
3658 break;
3659
06c15ad7
HPN
3660 /* This relocation describes the C++ object vtable hierarchy.
3661 Reconstruct it for later use during GC. */
3662 case R_CRIS_GNU_VTINHERIT:
c152c796 3663 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
b34976b6 3664 return FALSE;
06c15ad7 3665 break;
a7c10850 3666
06c15ad7
HPN
3667 /* This relocation describes which C++ vtable entries are actually
3668 used. Record for later use during GC. */
3669 case R_CRIS_GNU_VTENTRY:
d17e0c6e
JB
3670 BFD_ASSERT (h != NULL);
3671 if (h != NULL
3672 && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
b34976b6 3673 return FALSE;
06c15ad7 3674 break;
4d96d128 3675
100382c7
HPN
3676 case R_CRIS_16_TPREL:
3677 case R_CRIS_32_TPREL:
3678 /* Already warned above, when necessary. */
3679 break;
3680
4d96d128
HPN
3681 default:
3682 /* Other relocs do not appear here. */
3683 bfd_set_error (bfd_error_bad_value);
b34976b6 3684 return FALSE;
06c15ad7
HPN
3685 }
3686 }
a7c10850 3687
b34976b6 3688 return TRUE;
06c15ad7 3689}
4da81684 3690
915e5146
HPN
3691/* Set the sizes of the dynamic sections. */
3692
b34976b6 3693static bfd_boolean
4dfe6ac6
NC
3694elf_cris_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
3695 struct bfd_link_info *info)
915e5146 3696{
4dfe6ac6 3697 struct elf_cris_link_hash_table * htab;
915e5146
HPN
3698 bfd *dynobj;
3699 asection *s;
b34976b6
AM
3700 bfd_boolean plt;
3701 bfd_boolean relocs;
915e5146 3702
4dfe6ac6
NC
3703 htab = elf_cris_hash_table (info);
3704 if (htab == NULL)
3705 return FALSE;
3706
ce558b89 3707 dynobj = htab->root.dynobj;
915e5146
HPN
3708 BFD_ASSERT (dynobj != NULL);
3709
ce558b89 3710 if (htab->root.dynamic_sections_created)
915e5146
HPN
3711 {
3712 /* Set the contents of the .interp section to the interpreter. */
9b8b325a 3713 if (bfd_link_executable (info) && !info->nointerp)
915e5146 3714 {
3d4d4302 3715 s = bfd_get_linker_section (dynobj, ".interp");
915e5146 3716 BFD_ASSERT (s != NULL);
eea6121a 3717 s->size = sizeof ELF_DYNAMIC_INTERPRETER;
915e5146
HPN
3718 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
3719 }
3720 }
3721 else
3722 {
3723 /* Adjust all expected GOTPLT uses to use a GOT entry instead. */
4dfe6ac6
NC
3724 elf_cris_link_hash_traverse (htab, elf_cris_adjust_gotplt_to_got,
3725 info);
915e5146
HPN
3726
3727 /* We may have created entries in the .rela.got section.
3728 However, if we are not creating the dynamic sections, we will
3729 not actually use these entries. Reset the size of .rela.got,
3730 which will cause it to get stripped from the output file
3731 below. */
ce558b89 3732 s = htab->root.srelgot;
915e5146 3733 if (s != NULL)
eea6121a 3734 s->size = 0;
915e5146
HPN
3735 }
3736
3737 /* If this is a -Bsymbolic shared link, then we need to discard all PC
3738 relative relocs against symbols defined in a regular object. We
3739 allocated space for them in the check_relocs routine, but we will not
3740 fill them in in the relocate_section routine. We also discard space
3741 for relocs that have become for local symbols due to symbol
4d96d128
HPN
3742 visibility changes. For programs, we discard space for relocs for
3743 symbols not referenced by any dynamic object. */
0e1862bb 3744 if (bfd_link_pic (info))
4dfe6ac6 3745 elf_cris_link_hash_traverse (htab,
4d96d128 3746 elf_cris_discard_excess_dso_dynamics,
4dfe6ac6 3747 info);
4d96d128 3748 else
4dfe6ac6 3749 elf_cris_link_hash_traverse (htab,
4d96d128 3750 elf_cris_discard_excess_program_dynamics,
4dfe6ac6 3751 info);
915e5146
HPN
3752
3753 /* The check_relocs and adjust_dynamic_symbol entry points have
3754 determined the sizes of the various dynamic sections. Allocate
3755 memory for them. */
b34976b6
AM
3756 plt = FALSE;
3757 relocs = FALSE;
915e5146
HPN
3758 for (s = dynobj->sections; s != NULL; s = s->next)
3759 {
3760 const char *name;
915e5146
HPN
3761
3762 if ((s->flags & SEC_LINKER_CREATED) == 0)
3763 continue;
3764
3765 /* It's OK to base decisions on the section name, because none
3766 of the dynobj section names depend upon the input files. */
3767 name = bfd_get_section_name (dynobj, s);
3768
915e5146
HPN
3769 if (strcmp (name, ".plt") == 0)
3770 {
c456f082
AM
3771 /* Remember whether there is a PLT. */
3772 plt = s->size != 0;
915e5146 3773 }
100382c7
HPN
3774 else if (strcmp (name, ".got.plt") == 0)
3775 {
3776 /* The .got.plt contains the .got header as well as the
3777 actual .got.plt contents. The .got header may contain a
3778 R_CRIS_DTPMOD entry at index 3. */
4dfe6ac6 3779 s->size += htab->dtpmod_refcount != 0
100382c7
HPN
3780 ? 8 : 0;
3781 }
0112cd26 3782 else if (CONST_STRNEQ (name, ".rela"))
915e5146 3783 {
100382c7 3784 if (strcmp (name, ".rela.got") == 0
4dfe6ac6 3785 && htab->dtpmod_refcount != 0
0e1862bb 3786 && bfd_link_pic (info))
100382c7
HPN
3787 s->size += sizeof (Elf32_External_Rela);
3788
c456f082 3789 if (s->size != 0)
915e5146 3790 {
915e5146
HPN
3791 /* Remember whether there are any reloc sections other
3792 than .rela.plt. */
3793 if (strcmp (name, ".rela.plt") != 0)
b34976b6 3794 relocs = TRUE;
915e5146 3795
915e5146
HPN
3796 /* We use the reloc_count field as a counter if we need
3797 to copy relocs into the output file. */
3798 s->reloc_count = 0;
3799 }
3800 }
0112cd26 3801 else if (! CONST_STRNEQ (name, ".got")
1fbd05e1
HPN
3802 && strcmp (name, ".dynbss") != 0
3803 && s != htab->root.sdynrelro)
915e5146
HPN
3804 {
3805 /* It's not one of our sections, so don't allocate space. */
3806 continue;
3807 }
3808
c456f082 3809 if (s->size == 0)
915e5146 3810 {
c456f082
AM
3811 /* If we don't need this section, strip it from the
3812 output file. This is mostly to handle .rela.bss and
3813 .rela.plt. We must create both sections in
3814 create_dynamic_sections, because they must be created
3815 before the linker maps input sections to output
3816 sections. The linker does that before
3817 adjust_dynamic_symbol is called, and it is that
3818 function which decides whether anything needs to go
3819 into these sections. */
8423293d 3820 s->flags |= SEC_EXCLUDE;
915e5146
HPN
3821 continue;
3822 }
3823
c456f082
AM
3824 if ((s->flags & SEC_HAS_CONTENTS) == 0)
3825 continue;
3826
915e5146
HPN
3827 /* Allocate memory for the section contents. We use bfd_zalloc here
3828 in case unused entries are not reclaimed before the section's
3829 contents are written out. This should not happen, but this way
3830 if it does, we will not write out garbage. For reloc sections,
3831 this will make entries have the type R_CRIS_NONE. */
eea6121a 3832 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
c456f082 3833 if (s->contents == NULL)
b34976b6 3834 return FALSE;
915e5146
HPN
3835 }
3836
3837 if (elf_hash_table (info)->dynamic_sections_created)
3838 {
3839 /* Add some entries to the .dynamic section. We fill in the
3840 values later, in elf_cris_finish_dynamic_sections, but we
3841 must add the entries now so that we get the correct size for
3842 the .dynamic section. The DT_DEBUG entry is filled in by the
3843 dynamic linker and used by the debugger. */
dc810e39 3844#define add_dynamic_entry(TAG, VAL) \
5a580b3a 3845 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
dc810e39 3846
0e1862bb 3847 if (!bfd_link_pic (info))
915e5146 3848 {
dc810e39 3849 if (!add_dynamic_entry (DT_DEBUG, 0))
b34976b6 3850 return FALSE;
915e5146
HPN
3851 }
3852
3853 if (plt)
3854 {
dc810e39
AM
3855 if (!add_dynamic_entry (DT_PLTGOT, 0)
3856 || !add_dynamic_entry (DT_PLTRELSZ, 0)
3857 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
3858 || !add_dynamic_entry (DT_JMPREL, 0))
b34976b6 3859 return FALSE;
915e5146
HPN
3860 }
3861
3862 if (relocs)
3863 {
dc810e39
AM
3864 if (!add_dynamic_entry (DT_RELA, 0)
3865 || !add_dynamic_entry (DT_RELASZ, 0)
3866 || !add_dynamic_entry (DT_RELAENT, sizeof (Elf32_External_Rela)))
b34976b6 3867 return FALSE;
915e5146
HPN
3868 }
3869
99e4ae17 3870 if ((info->flags & DF_TEXTREL) != 0)
915e5146 3871 {
dc810e39 3872 if (!add_dynamic_entry (DT_TEXTREL, 0))
b34976b6 3873 return FALSE;
915e5146
HPN
3874 info->flags |= DF_TEXTREL;
3875 }
3876 }
dc810e39 3877#undef add_dynamic_entry
915e5146 3878
b34976b6 3879 return TRUE;
915e5146
HPN
3880}
3881
3882/* This function is called via elf_cris_link_hash_traverse if we are
3883 creating a shared object. In the -Bsymbolic case, it discards the
3884 space allocated to copy PC relative relocs against symbols which
3885 are defined in regular objects. For the normal non-symbolic case,
3886 we also discard space for relocs that have become local due to
3887 symbol visibility changes. We allocated space for them in the
3888 check_relocs routine, but we won't fill them in in the
3889 relocate_section routine. */
3890
b34976b6 3891static bfd_boolean
2c3fc389
NC
3892elf_cris_discard_excess_dso_dynamics (struct elf_cris_link_hash_entry *h,
3893 void * inf)
915e5146
HPN
3894{
3895 struct elf_cris_pcrel_relocs_copied *s;
3896 struct bfd_link_info *info = (struct bfd_link_info *) inf;
3897
3898 /* If a symbol has been forced local or we have found a regular
3899 definition for the symbolic link case, then we won't be needing
3900 any relocs. */
f5385ebf
AM
3901 if (h->root.def_regular
3902 && (h->root.forced_local
cb1c8103 3903 || SYMBOLIC_BIND (info, &h->root)))
915e5146
HPN
3904 {
3905 for (s = h->pcrel_relocs_copied; s != NULL; s = s->next)
bfbff9eb
HPN
3906 {
3907 asection *sreloc
e236b51d
HPN
3908 = _bfd_elf_get_dynamic_reloc_section (elf_hash_table (info)
3909 ->dynobj,
bfbff9eb
HPN
3910 s->section,
3911 /*rela?*/ TRUE);
3912 sreloc->size -= s->count * sizeof (Elf32_External_Rela);
3913 }
0d08de41
HPN
3914 return TRUE;
3915 }
3916
3917 /* If we have accounted for PC-relative relocs for read-only
3918 sections, now is the time to warn for them. We can't do it in
3919 cris_elf_check_relocs, because we don't know the status of all
3920 symbols at that time (and it's common to force symbols local
3921 late). */
3922
3923 for (s = h->pcrel_relocs_copied; s != NULL; s = s->next)
bfbff9eb
HPN
3924 if ((s->section->flags & SEC_READONLY) != 0)
3925 {
3926 /* FIXME: How do we make this optionally a warning only? */
4eca0228 3927 _bfd_error_handler
695344c0 3928 /* xgettext:c-format */
bfbff9eb
HPN
3929 (_("%B, section `%A', to symbol `%s':\n"
3930 " relocation %s should not be used"
3931 " in a shared object; recompile with -fPIC"),
3932 s->section->owner,
3933 s->section,
3934 h->root.root.root.string,
3935 cris_elf_howto_table[s->r_type].name);
3936
3937 info->flags |= DF_TEXTREL;
3938 }
4d96d128 3939
b34976b6 3940 return TRUE;
4d96d128
HPN
3941}
3942
3943/* This function is called via elf_cris_link_hash_traverse if we are *not*
3944 creating a shared object. We discard space for relocs for symbols put
3945 in the .got, but which we found we do not have to resolve at run-time. */
3946
b34976b6 3947static bfd_boolean
2c3fc389
NC
3948elf_cris_discard_excess_program_dynamics (struct elf_cris_link_hash_entry *h,
3949 void * inf)
4d96d128
HPN
3950{
3951 struct bfd_link_info *info = (struct bfd_link_info *) inf;
3952
3953 /* If we're not creating a shared library and have a symbol which is
3954 referred to by .got references, but the symbol is defined locally,
e4a2175c
HPN
3955 (or rather, not defined by a DSO) then lose the reloc for the .got
3956 (don't allocate room for it). Likewise for relocs for something
3957 for which we create a PLT. */
f5385ebf 3958 if (!h->root.def_dynamic
e4a2175c 3959 || h->root.plt.refcount > 0)
4d96d128 3960 {
100382c7 3961 if (h->reg_got_refcount > 0
4d96d128
HPN
3962 /* The size of this section is only valid and in sync with the
3963 various reference counts if we do dynamic; don't decrement it
3964 otherwise. */
3965 && elf_hash_table (info)->dynamic_sections_created)
3966 {
3967 bfd *dynobj = elf_hash_table (info)->dynobj;
ce558b89 3968 asection *srelgot = elf_hash_table (info)->srelgot;
4d96d128
HPN
3969
3970 BFD_ASSERT (dynobj != NULL);
4d96d128
HPN
3971 BFD_ASSERT (srelgot != NULL);
3972
eea6121a 3973 srelgot->size -= sizeof (Elf32_External_Rela);
4d96d128
HPN
3974 }
3975
3976 /* If the locally-defined symbol isn't used by a DSO, then we don't
3977 have to export it as a dynamic symbol. This was already done for
3978 functions; doing this for all symbols would presumably not
e5dfef09 3979 introduce new problems. Of course we don't do this if we're
2d8dcb81
HPN
3980 exporting all dynamic symbols, or all data symbols, regardless of
3981 them being referenced or not. */
3982 if (! (info->export_dynamic
3983 || (h->root.type != STT_FUNC && info->dynamic_data))
77cfaee6 3984 && h->root.dynindx != -1
f5385ebf
AM
3985 && !h->root.def_dynamic
3986 && !h->root.ref_dynamic)
e5dfef09
HPN
3987 {
3988 h->root.dynindx = -1;
3989 _bfd_elf_strtab_delref (elf_hash_table (info)->dynstr,
3990 h->root.dynstr_index);
3991 }
915e5146
HPN
3992 }
3993
b34976b6 3994 return TRUE;
915e5146
HPN
3995}
3996
3997/* Reject a file depending on presence and expectation of prefixed
3998 underscores on symbols. */
4da81684 3999
b34976b6 4000static bfd_boolean
2c3fc389 4001cris_elf_object_p (bfd *abfd)
4da81684 4002{
bac23f82
HPN
4003 if (! cris_elf_set_mach_from_flags (abfd, elf_elfheader (abfd)->e_flags))
4004 return FALSE;
4005
4da81684
HPN
4006 if ((elf_elfheader (abfd)->e_flags & EF_CRIS_UNDERSCORE))
4007 return (bfd_get_symbol_leading_char (abfd) == '_');
4008 else
4009 return (bfd_get_symbol_leading_char (abfd) == 0);
4010}
4011
bac23f82
HPN
4012/* Mark presence or absence of leading underscore. Set machine type
4013 flags from mach type. */
4da81684
HPN
4014
4015static void
2c3fc389
NC
4016cris_elf_final_write_processing (bfd *abfd,
4017 bfd_boolean linker ATTRIBUTE_UNUSED)
4da81684 4018{
bac23f82
HPN
4019 unsigned long e_flags = elf_elfheader (abfd)->e_flags;
4020
4021 e_flags &= ~EF_CRIS_UNDERSCORE;
4da81684 4022 if (bfd_get_symbol_leading_char (abfd) == '_')
bac23f82
HPN
4023 e_flags |= EF_CRIS_UNDERSCORE;
4024
4025 switch (bfd_get_mach (abfd))
4026 {
4027 case bfd_mach_cris_v0_v10:
4028 e_flags |= EF_CRIS_VARIANT_ANY_V0_V10;
4029 break;
4030
4031 case bfd_mach_cris_v10_v32:
4032 e_flags |= EF_CRIS_VARIANT_COMMON_V10_V32;
4033 break;
4034
4035 case bfd_mach_cris_v32:
4036 e_flags |= EF_CRIS_VARIANT_V32;
4037 break;
4038
4039 default:
4040 _bfd_abort (__FILE__, __LINE__,
4041 _("Unexpected machine number"));
4042 }
4043
4044 elf_elfheader (abfd)->e_flags = e_flags;
4045}
4046
4047/* Set the mach type from e_flags value. */
4048
4049static bfd_boolean
2c3fc389
NC
4050cris_elf_set_mach_from_flags (bfd *abfd,
4051 unsigned long flags)
bac23f82
HPN
4052{
4053 switch (flags & EF_CRIS_VARIANT_MASK)
4054 {
4055 case EF_CRIS_VARIANT_ANY_V0_V10:
4056 bfd_default_set_arch_mach (abfd, bfd_arch_cris, bfd_mach_cris_v0_v10);
4057 break;
4058
4059 case EF_CRIS_VARIANT_V32:
4060 bfd_default_set_arch_mach (abfd, bfd_arch_cris, bfd_mach_cris_v32);
4061 break;
4062
4063 case EF_CRIS_VARIANT_COMMON_V10_V32:
4064 bfd_default_set_arch_mach (abfd, bfd_arch_cris, bfd_mach_cris_v10_v32);
4065 break;
4066
4067 default:
4068 /* Since we don't recognize them, we obviously can't support them
4069 with this code; we'd have to require that all future handling
4070 would be optional. */
4071 bfd_set_error (bfd_error_wrong_format);
4072 return FALSE;
4073 }
4074
4075 return TRUE;
4da81684
HPN
4076}
4077
4078/* Display the flags field. */
4079
b34976b6 4080static bfd_boolean
2c3fc389 4081cris_elf_print_private_bfd_data (bfd *abfd, void * ptr)
4da81684
HPN
4082{
4083 FILE *file = (FILE *) ptr;
4084
f12123c0 4085 BFD_ASSERT (abfd != NULL && ptr != NULL);
4da81684
HPN
4086
4087 _bfd_elf_print_private_bfd_data (abfd, ptr);
4088
4089 fprintf (file, _("private flags = %lx:"), elf_elfheader (abfd)->e_flags);
4090
4091 if (elf_elfheader (abfd)->e_flags & EF_CRIS_UNDERSCORE)
4092 fprintf (file, _(" [symbols have a _ prefix]"));
bac23f82
HPN
4093 if ((elf_elfheader (abfd)->e_flags & EF_CRIS_VARIANT_MASK)
4094 == EF_CRIS_VARIANT_COMMON_V10_V32)
4095 fprintf (file, _(" [v10 and v32]"));
4096 if ((elf_elfheader (abfd)->e_flags & EF_CRIS_VARIANT_MASK)
4097 == EF_CRIS_VARIANT_V32)
4098 fprintf (file, _(" [v32]"));
4da81684
HPN
4099
4100 fputc ('\n', file);
b34976b6 4101 return TRUE;
4da81684
HPN
4102}
4103
4104/* Don't mix files with and without a leading underscore. */
4105
b34976b6 4106static bfd_boolean
50e03d47 4107cris_elf_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
4da81684 4108{
50e03d47 4109 bfd *obfd = info->output_bfd;
bac23f82 4110 int imach, omach;
4da81684 4111
50e03d47 4112 if (! _bfd_generic_verify_endian_match (ibfd, info))
b34976b6 4113 return FALSE;
4da81684
HPN
4114
4115 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
4116 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
b34976b6 4117 return TRUE;
4da81684 4118
bac23f82
HPN
4119 imach = bfd_get_mach (ibfd);
4120
4da81684
HPN
4121 if (! elf_flags_init (obfd))
4122 {
4123 /* This happens when ld starts out with a 'blank' output file. */
b34976b6 4124 elf_flags_init (obfd) = TRUE;
4da81684 4125
bac23f82
HPN
4126 /* We ignore the linker-set mach, and instead set it according to
4127 the first input file. This would also happen if we could
4128 somehow filter out the OUTPUT_ARCH () setting from elf.sc.
4129 This allows us to keep the same linker config across
4130 cris(v0..v10) and crisv32. The drawback is that we can't force
4131 the output type, which might be a sane thing to do for a
4132 v10+v32 compatibility object. */
4133 if (! bfd_set_arch_mach (obfd, bfd_arch_cris, imach))
4134 return FALSE;
4da81684
HPN
4135 }
4136
bac23f82
HPN
4137 if (bfd_get_symbol_leading_char (ibfd)
4138 != bfd_get_symbol_leading_char (obfd))
4da81684 4139 {
4eca0228 4140 _bfd_error_handler
bac23f82 4141 (bfd_get_symbol_leading_char (ibfd) == '_'
d003868e
AM
4142 ? _("%B: uses _-prefixed symbols, but writing file with non-prefixed symbols")
4143 : _("%B: uses non-prefixed symbols, but writing file with _-prefixed symbols"),
4144 ibfd);
4da81684 4145 bfd_set_error (bfd_error_bad_value);
b34976b6 4146 return FALSE;
4da81684
HPN
4147 }
4148
bac23f82
HPN
4149 omach = bfd_get_mach (obfd);
4150
4151 if (imach != omach)
4152 {
4153 /* We can get an incompatible combination only if either is
4154 bfd_mach_cris_v32, and the other one isn't compatible. */
4155 if ((imach == bfd_mach_cris_v32
4156 && omach != bfd_mach_cris_v10_v32)
4157 || (omach == bfd_mach_cris_v32
4158 && imach != bfd_mach_cris_v10_v32))
4159 {
4eca0228 4160 _bfd_error_handler
bac23f82
HPN
4161 ((imach == bfd_mach_cris_v32)
4162 ? _("%B contains CRIS v32 code, incompatible"
4163 " with previous objects")
4164 : _("%B contains non-CRIS-v32 code, incompatible"
4165 " with previous objects"),
4166 ibfd);
4167 bfd_set_error (bfd_error_bad_value);
4168 return FALSE;
4169 }
4170
4171 /* We don't have to check the case where the input is compatible
4172 with v10 and v32, because the output is already known to be set
4173 to the other (compatible) mach. */
4174 if (omach == bfd_mach_cris_v10_v32
4175 && ! bfd_set_arch_mach (obfd, bfd_arch_cris, imach))
4176 return FALSE;
4177 }
4178
b34976b6 4179 return TRUE;
4da81684 4180}
99e4ae17 4181
bac23f82
HPN
4182/* Do side-effects of e_flags copying to obfd. */
4183
4184static bfd_boolean
2c3fc389 4185cris_elf_copy_private_bfd_data (bfd *ibfd, bfd *obfd)
bac23f82 4186{
bac23f82
HPN
4187 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
4188 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
4189 return TRUE;
4190
1047201f
AM
4191 /* Call the base function. */
4192 if (!_bfd_elf_copy_private_bfd_data (ibfd, obfd))
4193 return FALSE;
4194
bac23f82
HPN
4195 /* Do what we really came here for. */
4196 return bfd_set_arch_mach (obfd, bfd_arch_cris, bfd_get_mach (ibfd));
4197}
99e4ae17
AJ
4198
4199static enum elf_reloc_type_class
7e612e98
AM
4200elf_cris_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
4201 const asection *rel_sec ATTRIBUTE_UNUSED,
4202 const Elf_Internal_Rela *rela)
99e4ae17 4203{
100382c7
HPN
4204 enum elf_cris_reloc_type r_type = ELF32_R_TYPE (rela->r_info);
4205 switch (r_type)
99e4ae17
AJ
4206 {
4207 case R_CRIS_RELATIVE:
4208 return reloc_class_relative;
4209 case R_CRIS_JUMP_SLOT:
4210 return reloc_class_plt;
4211 case R_CRIS_COPY:
4212 return reloc_class_copy;
4213 default:
4214 return reloc_class_normal;
4215 }
4216}
100382c7
HPN
4217
4218/* The elf_backend_got_elt_size worker. For one symbol, we can have up to
4219 two GOT entries from three types with two different sizes. We handle
4220 it as a single entry, so we can use the regular offset-calculation
4221 machinery. */
4222
4223static bfd_vma
4224elf_cris_got_elt_size (bfd *abfd ATTRIBUTE_UNUSED,
4225 struct bfd_link_info *info ATTRIBUTE_UNUSED,
4226 struct elf_link_hash_entry *hr,
4227 bfd *ibfd,
4228 unsigned long symndx)
4229{
4230 struct elf_link_hash_entry *h = (struct elf_link_hash_entry *) hr;
100382c7
HPN
4231 bfd_vma eltsiz = 0;
4232
4233 /* We may have one regular GOT entry or up to two TLS GOT
4234 entries. */
4235 if (h == NULL)
4236 {
b2e254f9 4237 Elf_Internal_Shdr *symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
100382c7
HPN
4238 bfd_signed_vma *local_got_refcounts = elf_local_got_refcounts (ibfd);
4239
4240 BFD_ASSERT (local_got_refcounts != NULL);
4241
4242 if (local_got_refcounts[LGOT_REG_NDX (symndx)] > 0)
4243 {
4244 /* We can't have a variable referred to both as a regular
4245 variable and through TLS relocs. */
4246 BFD_ASSERT (local_got_refcounts[LGOT_DTP_NDX (symndx)] == 0
4247 && local_got_refcounts[LGOT_TPREL_NDX (symndx)] == 0);
4248 return 4;
4249 }
4250
4251 if (local_got_refcounts[LGOT_DTP_NDX (symndx)] > 0)
4252 eltsiz += 8;
4253
4254 if (local_got_refcounts[LGOT_TPREL_NDX (symndx)] > 0)
4255 eltsiz += 4;
4256 }
4257 else
4258 {
4259 struct elf_cris_link_hash_entry *hh = elf_cris_hash_entry (h);
4260 if (hh->reg_got_refcount > 0)
4261 {
4262 /* The actual error-on-input is emitted elsewhere. */
4263 BFD_ASSERT (hh->dtp_refcount == 0 && hh->tprel_refcount == 0);
4264 return 4;
4265 }
4266
4267 if (hh->dtp_refcount > 0)
4268 eltsiz += 8;
4269
4270 if (hh->tprel_refcount > 0)
4271 eltsiz += 4;
4272 }
4273
b2e254f9
HPN
4274 /* We're only called when h->got.refcount is non-zero, so we must
4275 have a non-zero size. */
4276 BFD_ASSERT (eltsiz != 0);
100382c7
HPN
4277 return eltsiz;
4278}
06c15ad7
HPN
4279\f
4280#define ELF_ARCH bfd_arch_cris
ae95ffa6 4281#define ELF_TARGET_ID CRIS_ELF_DATA
06c15ad7
HPN
4282#define ELF_MACHINE_CODE EM_CRIS
4283#define ELF_MAXPAGESIZE 0x2000
4284
6d00b590 4285#define TARGET_LITTLE_SYM cris_elf32_vec
06c15ad7 4286#define TARGET_LITTLE_NAME "elf32-cris"
4da81684 4287#define elf_symbol_leading_char 0
06c15ad7
HPN
4288
4289#define elf_info_to_howto_rel NULL
4290#define elf_info_to_howto cris_info_to_howto_rela
4291#define elf_backend_relocate_section cris_elf_relocate_section
4292#define elf_backend_gc_mark_hook cris_elf_gc_mark_hook
4293#define elf_backend_gc_sweep_hook cris_elf_gc_sweep_hook
5d5a918a 4294#define elf_backend_plt_sym_val cris_elf_plt_sym_val
06c15ad7 4295#define elf_backend_check_relocs cris_elf_check_relocs
72209a1f
HPN
4296#define elf_backend_grok_prstatus cris_elf_grok_prstatus
4297#define elf_backend_grok_psinfo cris_elf_grok_psinfo
06c15ad7
HPN
4298
4299#define elf_backend_can_gc_sections 1
51b64d56 4300#define elf_backend_can_refcount 1
06c15ad7 4301
4da81684
HPN
4302#define elf_backend_object_p cris_elf_object_p
4303#define elf_backend_final_write_processing \
4304 cris_elf_final_write_processing
4305#define bfd_elf32_bfd_print_private_bfd_data \
4306 cris_elf_print_private_bfd_data
4307#define bfd_elf32_bfd_merge_private_bfd_data \
4308 cris_elf_merge_private_bfd_data
bac23f82
HPN
4309#define bfd_elf32_bfd_copy_private_bfd_data \
4310 cris_elf_copy_private_bfd_data
4da81684 4311
06c15ad7 4312#define bfd_elf32_bfd_reloc_type_lookup cris_reloc_type_lookup
157090f7 4313#define bfd_elf32_bfd_reloc_name_lookup cris_reloc_name_lookup
06c15ad7 4314
915e5146
HPN
4315#define bfd_elf32_bfd_link_hash_table_create \
4316 elf_cris_link_hash_table_create
4317#define elf_backend_adjust_dynamic_symbol \
4318 elf_cris_adjust_dynamic_symbol
237bc7f0
HPN
4319#define elf_backend_copy_indirect_symbol \
4320 elf_cris_copy_indirect_symbol
915e5146
HPN
4321#define elf_backend_size_dynamic_sections \
4322 elf_cris_size_dynamic_sections
74541ad4 4323#define elf_backend_init_index_section _bfd_elf_init_1_index_section
915e5146
HPN
4324#define elf_backend_finish_dynamic_symbol \
4325 elf_cris_finish_dynamic_symbol
4326#define elf_backend_finish_dynamic_sections \
4327 elf_cris_finish_dynamic_sections
4328#define elf_backend_create_dynamic_sections \
4329 _bfd_elf_create_dynamic_sections
4330#define bfd_elf32_bfd_final_link \
c152c796 4331 bfd_elf_gc_common_final_link
915e5146 4332#define elf_backend_hide_symbol elf_cris_hide_symbol
99e4ae17 4333#define elf_backend_reloc_type_class elf_cris_reloc_type_class
915e5146
HPN
4334
4335#define elf_backend_want_got_plt 1
4336#define elf_backend_plt_readonly 1
4337#define elf_backend_want_plt_sym 0
4338#define elf_backend_got_header_size 12
100382c7 4339#define elf_backend_got_elt_size elf_cris_got_elt_size
64f52338 4340#define elf_backend_dtrel_excludes_plt 1
1fbd05e1 4341#define elf_backend_want_dynrelro 1
915e5146 4342
06c15ad7
HPN
4343/* Later, we my want to optimize RELA entries into REL entries for dynamic
4344 linking and libraries (if it's a win of any significance). Until then,
4345 take the easy route. */
4346#define elf_backend_may_use_rel_p 0
4347#define elf_backend_may_use_rela_p 1
f0fe0e16 4348#define elf_backend_rela_normal 1
06c15ad7
HPN
4349
4350#include "elf32-target.h"
4da81684 4351
4da81684
HPN
4352#undef TARGET_LITTLE_SYM
4353#undef TARGET_LITTLE_NAME
4354#undef elf_symbol_leading_char
4355
6d00b590 4356#define TARGET_LITTLE_SYM cris_elf32_us_vec
4da81684
HPN
4357#define TARGET_LITTLE_NAME "elf32-us-cris"
4358#define elf_symbol_leading_char '_'
16cecee5
L
4359#undef elf32_bed
4360#define elf32_bed elf32_us_cris_bed
4da81684
HPN
4361
4362#include "elf32-target.h"
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