]> git.ipfire.org Git - thirdparty/binutils-gdb.git/blame - bfd/elf32-cris.c
Automatic date update in version.in
[thirdparty/binutils-gdb.git] / bfd / elf32-cris.c
CommitLineData
06c15ad7 1/* CRIS-specific support for 32-bit ELF.
6f2750fe 2 Copyright (C) 2000-2016 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
HPN
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 */
915e5146
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 {
64d29018 466 _bfd_error_handler (_("%B: invalid CRIS reloc number: %d"), abfd, r_type);
5860e3f8
NC
467 r_type = 0;
468 }
06c15ad7
HPN
469 cache_ptr->howto = & cris_elf_howto_table [r_type];
470}
bac23f82
HPN
471
472bfd_reloc_status_type
2c3fc389
NC
473cris_elf_pcrel_reloc (bfd *abfd ATTRIBUTE_UNUSED,
474 arelent *reloc_entry,
475 asymbol *symbol,
476 void * data ATTRIBUTE_UNUSED,
477 asection *input_section,
478 bfd *output_bfd,
479 char **error_message ATTRIBUTE_UNUSED)
bac23f82
HPN
480{
481 /* By default (using only bfd_elf_generic_reloc when linking to
482 non-ELF formats) PC-relative relocs are relative to the beginning
483 of the reloc. CRIS PC-relative relocs are relative to the position
484 *after* the reloc because that's what pre-CRISv32 PC points to
485 after reading an insn field with that reloc. (For CRISv32, PC is
486 actually relative to the start of the insn, but we keep the old
487 definition.) Still, we use as much generic machinery as we can.
488
489 Only adjust when doing a final link. */
490 if (output_bfd == (bfd *) NULL)
491 reloc_entry->addend -= 1 << reloc_entry->howto->size;
492
493 return
494 bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
495 input_section, output_bfd, error_message);
496}
06c15ad7 497\f
bac23f82
HPN
498/* Support for core dump NOTE sections.
499 The slightly unintuitive code layout is an attempt to keep at least
500 some similarities with other ports, hoping to simplify general
501 changes, while still keeping Linux/CRIS and Linux/CRISv32 code apart. */
72209a1f 502
b34976b6 503static bfd_boolean
2c3fc389 504cris_elf_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
72209a1f
HPN
505{
506 int offset;
eea6121a 507 size_t size;
72209a1f 508
bac23f82
HPN
509 if (bfd_get_mach (abfd) == bfd_mach_cris_v32)
510 switch (note->descsz)
511 {
512 default:
513 return FALSE;
514
515 case 202: /* Linux/CRISv32 */
516 /* pr_cursig */
228e534f 517 elf_tdata (abfd)->core->signal = bfd_get_16 (abfd, note->descdata + 12);
bac23f82
HPN
518
519 /* pr_pid */
228e534f 520 elf_tdata (abfd)->core->lwpid = bfd_get_32 (abfd, note->descdata + 22);
bac23f82
HPN
521
522 /* pr_reg */
523 offset = 70;
524 size = 128;
525
526 break;
527 }
528 else
529 switch (note->descsz)
530 {
72209a1f 531 default:
b34976b6 532 return FALSE;
72209a1f 533
bc0d28ee 534 case 214: /* Linux/CRIS */
72209a1f 535 /* pr_cursig */
228e534f 536 elf_tdata (abfd)->core->signal = bfd_get_16 (abfd, note->descdata + 12);
72209a1f
HPN
537
538 /* pr_pid */
228e534f 539 elf_tdata (abfd)->core->lwpid = bfd_get_32 (abfd, note->descdata + 22);
72209a1f
HPN
540
541 /* pr_reg */
542 offset = 70;
eea6121a 543 size = 140;
72209a1f
HPN
544
545 break;
bac23f82 546 }
72209a1f
HPN
547
548 /* Make a ".reg/999" section. */
549 return _bfd_elfcore_make_pseudosection (abfd, ".reg",
eea6121a 550 size, note->descpos + offset);
72209a1f
HPN
551}
552
b34976b6 553static bfd_boolean
2c3fc389 554cris_elf_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
72209a1f 555{
bac23f82
HPN
556 if (bfd_get_mach (abfd) == bfd_mach_cris_v32)
557 switch (note->descsz)
558 {
559 default:
560 return FALSE;
561
562 case 124: /* Linux/CRISv32 elf_prpsinfo */
228e534f 563 elf_tdata (abfd)->core->program
bac23f82 564 = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
228e534f 565 elf_tdata (abfd)->core->command
bac23f82
HPN
566 = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
567 }
568 else
569 switch (note->descsz)
570 {
72209a1f 571 default:
b34976b6 572 return FALSE;
72209a1f
HPN
573
574 case 124: /* Linux/CRIS elf_prpsinfo */
228e534f 575 elf_tdata (abfd)->core->program
bac23f82 576 = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
228e534f 577 elf_tdata (abfd)->core->command
bac23f82
HPN
578 = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
579 }
72209a1f
HPN
580
581 /* Note that for some reason, a spurious space is tacked
582 onto the end of the args in some (at least one anyway)
583 implementations, so strip it off if it exists. */
584
585 {
228e534f 586 char *command = elf_tdata (abfd)->core->command;
72209a1f
HPN
587 int n = strlen (command);
588
589 if (0 < n && command[n - 1] == ' ')
590 command[n - 1] = '\0';
591 }
592
b34976b6 593 return TRUE;
72209a1f
HPN
594}
595\f
915e5146
HPN
596/* The name of the dynamic interpreter. This is put in the .interp
597 section. */
598
599#define ELF_DYNAMIC_INTERPRETER "/lib/ld.so.1"
600
601/* The size in bytes of an entry in the procedure linkage table. */
602
603#define PLT_ENTRY_SIZE 20
bac23f82 604#define PLT_ENTRY_SIZE_V32 26
915e5146
HPN
605
606/* The first entry in an absolute procedure linkage table looks like this. */
607
608static const bfd_byte elf_cris_plt0_entry[PLT_ENTRY_SIZE] =
609{
610 0xfc, 0xe1,
cedb70c5 611 0x7e, 0x7e, /* push mof. */
915e5146
HPN
612 0x7f, 0x0d, /* (dip [pc+]) */
613 0, 0, 0, 0, /* Replaced with address of .got + 4. */
614 0x30, 0x7a, /* move [...],mof */
615 0x7f, 0x0d, /* (dip [pc+]) */
616 0, 0, 0, 0, /* Replaced with address of .got + 8. */
bac23f82
HPN
617 0x30, 0x09 /* jump [...] */
618};
619
620static const bfd_byte elf_cris_plt0_entry_v32[PLT_ENTRY_SIZE_V32] =
621{
622 0x84, 0xe2, /* subq 4,$sp */
623 0x6f, 0xfe, /* move.d 0,$acr */
624 0, 0, 0, 0, /* Replaced by address of .got + 4. */
625 0x7e, 0x7a, /* move $mof,[$sp] */
626 0x3f, 0x7a, /* move [$acr],$mof */
627 0x04, 0xf2, /* addq 4,acr */
628 0x6f, 0xfa, /* move.d [$acr],$acr */
629 0xbf, 0x09, /* jump $acr */
630 0xb0, 0x05, /* nop */
631 0, 0 /* Pad out to 26 bytes. */
915e5146
HPN
632};
633
634/* Subsequent entries in an absolute procedure linkage table look like
635 this. */
636
637static const bfd_byte elf_cris_plt_entry[PLT_ENTRY_SIZE] =
638{
639 0x7f, 0x0d, /* (dip [pc+]) */
640 0, 0, 0, 0, /* Replaced with address of this symbol in .got. */
641 0x30, 0x09, /* jump [...] */
642 0x3f, 0x7e, /* move [pc+],mof */
643 0, 0, 0, 0, /* Replaced with offset into relocation table. */
644 0x2f, 0xfe, /* add.d [pc+],pc */
645 0xec, 0xff,
646 0xff, 0xff /* Replaced with offset to start of .plt. */
647};
648
bac23f82
HPN
649static const bfd_byte elf_cris_plt_entry_v32[PLT_ENTRY_SIZE_V32] =
650{
651 0x6f, 0xfe, /* move.d 0,$acr */
652 0, 0, 0, 0, /* Replaced with address of this symbol in .got. */
653 0x6f, 0xfa, /* move.d [$acr],$acr */
654 0xbf, 0x09, /* jump $acr */
655 0xb0, 0x05, /* nop */
656 0x3f, 0x7e, /* move 0,mof */
657 0, 0, 0, 0, /* Replaced with offset into relocation table. */
658 0xbf, 0x0e, /* ba start_of_plt0_entry */
659 0, 0, 0, 0, /* Replaced with offset to plt0 entry. */
660 0xb0, 0x05 /* nop */
661};
662
915e5146
HPN
663/* The first entry in a PIC procedure linkage table looks like this. */
664
665static const bfd_byte elf_cris_pic_plt0_entry[PLT_ENTRY_SIZE] =
666{
667 0xfc, 0xe1, 0x7e, 0x7e, /* push mof */
668 0x04, 0x01, 0x30, 0x7a, /* move [r0+4],mof */
669 0x08, 0x01, 0x30, 0x09, /* jump [r0+8] */
670 0, 0, 0, 0, 0, 0, 0, 0, /* Pad out to 20 bytes. */
671};
672
bac23f82
HPN
673static const bfd_byte elf_cris_pic_plt0_entry_v32[PLT_ENTRY_SIZE_V32] =
674{
675 0x84, 0xe2, /* subq 4,$sp */
676 0x04, 0x01, /* addoq 4,$r0,$acr */
677 0x7e, 0x7a, /* move $mof,[$sp] */
678 0x3f, 0x7a, /* move [$acr],$mof */
679 0x04, 0xf2, /* addq 4,$acr */
680 0x6f, 0xfa, /* move.d [$acr],$acr */
681 0xbf, 0x09, /* jump $acr */
682 0xb0, 0x05, /* nop */
683 0, 0, /* Pad out to 26 bytes. */
684 0, 0, 0, 0,
685 0, 0, 0, 0
686};
687
915e5146
HPN
688/* Subsequent entries in a PIC procedure linkage table look like this. */
689
690static const bfd_byte elf_cris_pic_plt_entry[PLT_ENTRY_SIZE] =
691{
692 0x6f, 0x0d, /* (bdap [pc+].d,r0) */
693 0, 0, 0, 0, /* Replaced with offset of this symbol in .got. */
694 0x30, 0x09, /* jump [...] */
695 0x3f, 0x7e, /* move [pc+],mof */
696 0, 0, 0, 0, /* Replaced with offset into relocation table. */
697 0x2f, 0xfe, /* add.d [pc+],pc */
698 0xec, 0xff, /* Replaced with offset to start of .plt. */
699 0xff, 0xff
700};
bac23f82
HPN
701
702static const bfd_byte elf_cris_pic_plt_entry_v32[PLT_ENTRY_SIZE_V32] =
703{
704 0x6f, 0x0d, /* addo.d 0,$r0,$acr */
705 0, 0, 0, 0, /* Replaced with offset of this symbol in .got. */
706 0x6f, 0xfa, /* move.d [$acr],$acr */
707 0xbf, 0x09, /* jump $acr */
708 0xb0, 0x05, /* nop */
709 0x3f, 0x7e, /* move relocoffs,$mof */
710 0, 0, 0, 0, /* Replaced with offset into relocation table. */
711 0xbf, 0x0e, /* ba start_of_plt */
712 0, 0, 0, 0, /* Replaced with offset to start of .plt. */
713 0xb0, 0x05 /* nop */
714};
915e5146
HPN
715\f
716/* We copy elf32-m68k.c and elf32-i386.c for the basic linker hash bits
717 (and most other PIC/shlib stuff). Check that we don't drift away
718 without reason.
719
720 The CRIS linker, like the m68k and i386 linkers (and probably the rest
721 too) needs to keep track of the number of relocs that it decides to
722 copy in check_relocs for each symbol. This is so that it can discard
723 PC relative relocs if it doesn't need them when linking with
724 -Bsymbolic. We store the information in a field extending the regular
725 ELF linker hash table. */
726
727/* This structure keeps track of the number of PC relative relocs we have
728 copied for a given symbol. */
729
730struct elf_cris_pcrel_relocs_copied
731{
732 /* Next section. */
733 struct elf_cris_pcrel_relocs_copied *next;
0d08de41 734
915e5146
HPN
735 /* A section in dynobj. */
736 asection *section;
0d08de41 737
915e5146
HPN
738 /* Number of relocs copied in this section. */
739 bfd_size_type count;
0d08de41
HPN
740
741 /* Example of reloc being copied, for message. */
742 enum elf_cris_reloc_type r_type;
915e5146
HPN
743};
744
745/* CRIS ELF linker hash entry. */
746
747struct elf_cris_link_hash_entry
748{
749 struct elf_link_hash_entry root;
750
751 /* Number of PC relative relocs copied for this symbol. */
752 struct elf_cris_pcrel_relocs_copied *pcrel_relocs_copied;
753
754 /* The GOTPLT references are CRIS-specific; the goal is to avoid having
755 both a general GOT and a PLT-specific GOT entry for the same symbol,
756 when it is referenced both as a function and as a function pointer.
757
758 Number of GOTPLT references for a function. */
759 bfd_signed_vma gotplt_refcount;
760
761 /* Actual GOTPLT index for this symbol, if applicable, or zero if not
762 (zero is never used as an index). FIXME: We should be able to fold
763 this with gotplt_refcount in a union, like the got and plt unions in
764 elf_link_hash_entry. */
765 bfd_size_type gotplt_offset;
100382c7
HPN
766
767 /* The root.got.refcount is the sum of the regular reference counts
768 (this) and those members below. We have to keep a separate count
769 to track when we've found the first (or last) reference to a
770 regular got entry. The offset is in root.got.offset. */
771 bfd_signed_vma reg_got_refcount;
772
773 /* Similar to the above, the number of reloc references to this
774 symbols that need a R_CRIS_32_TPREL slot. The offset is in
775 root.got.offset, because this and .dtp_refcount can't validly
776 happen when there's also a regular GOT entry; that's invalid
777 input for which an error is emitted. */
778 bfd_signed_vma tprel_refcount;
779
780 /* Similar to the above, the number of reloc references to this
781 symbols that need a R_CRIS_DTP slot. The offset is in
782 root.got.offset; plus 4 if .tprel_refcount > 0. */
783 bfd_signed_vma dtp_refcount;
915e5146
HPN
784};
785
2c3fc389
NC
786static bfd_boolean
787elf_cris_discard_excess_dso_dynamics (struct elf_cris_link_hash_entry *,
788 void * );
789static bfd_boolean
790elf_cris_discard_excess_program_dynamics (struct elf_cris_link_hash_entry *,
791 void *);
792
100382c7
HPN
793/* The local_got_refcounts and local_got_offsets are a multiple of
794 LSNUM in size, namely LGOT_ALLOC_NELTS_FOR(LSNUM) (plus one for the
795 refcount for GOT itself, see code), with the summary / group offset
796 for local symbols located at offset N, reference counts for
797 ordinary (address) relocs at offset N + LSNUM, for R_CRIS_DTP
798 relocs at offset N + 2*LSNUM, and for R_CRIS_32_TPREL relocs at N +
799 3*LSNUM. */
800
801#define LGOT_REG_NDX(x) ((x) + symtab_hdr->sh_info)
802#define LGOT_DTP_NDX(x) ((x) + 2 * symtab_hdr->sh_info)
803#define LGOT_TPREL_NDX(x) ((x) + 3 * symtab_hdr->sh_info)
804#define LGOT_ALLOC_NELTS_FOR(x) ((x) * 4)
805
915e5146
HPN
806/* CRIS ELF linker hash table. */
807
808struct elf_cris_link_hash_table
809{
810 struct elf_link_hash_table root;
811
812 /* We can't use the PLT offset and calculate to get the GOTPLT offset,
813 since we try and avoid creating GOTPLT:s when there's already a GOT.
814 Instead, we keep and update the next available index here. */
815 bfd_size_type next_gotplt_entry;
100382c7
HPN
816
817 /* The number of R_CRIS_32_DTPREL and R_CRIS_16_DTPREL that have
818 been seen for any input; if != 0, then the constant-offset
819 R_CRIS_DTPMOD is needed for this DSO/executable. This turns
820 negative at relocation, so that we don't need an extra flag for
821 when the reloc is output. */
822 bfd_signed_vma dtpmod_refcount;
915e5146
HPN
823};
824
825/* Traverse a CRIS ELF linker hash table. */
826
827#define elf_cris_link_hash_traverse(table, func, info) \
828 (elf_link_hash_traverse \
829 (&(table)->root, \
4dfe6ac6 830 (bfd_boolean (*) (struct elf_link_hash_entry *, void *)) (func), \
915e5146
HPN
831 (info)))
832
833/* Get the CRIS ELF linker hash table from a link_info structure. */
834
835#define elf_cris_hash_table(p) \
4dfe6ac6
NC
836 (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
837 == CRIS_ELF_DATA ? ((struct elf_cris_link_hash_table *) ((p)->hash)) : NULL)
915e5146 838
100382c7
HPN
839/* Get the CRIS ELF linker hash entry from a regular hash entry (the
840 "parent class"). The .root reference is just a simple type
841 check on the argument. */
842
843#define elf_cris_hash_entry(p) \
844 ((struct elf_cris_link_hash_entry *) (&(p)->root))
845
915e5146
HPN
846/* Create an entry in a CRIS ELF linker hash table. */
847
848static struct bfd_hash_entry *
4dfe6ac6
NC
849elf_cris_link_hash_newfunc (struct bfd_hash_entry *entry,
850 struct bfd_hash_table *table,
851 const char *string)
915e5146
HPN
852{
853 struct elf_cris_link_hash_entry *ret =
854 (struct elf_cris_link_hash_entry *) entry;
855
856 /* Allocate the structure if it has not already been allocated by a
857 subclass. */
858 if (ret == (struct elf_cris_link_hash_entry *) NULL)
859 ret = ((struct elf_cris_link_hash_entry *)
860 bfd_hash_allocate (table,
861 sizeof (struct elf_cris_link_hash_entry)));
862 if (ret == (struct elf_cris_link_hash_entry *) NULL)
863 return (struct bfd_hash_entry *) ret;
864
865 /* Call the allocation method of the superclass. */
866 ret = ((struct elf_cris_link_hash_entry *)
867 _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
868 table, string));
869 if (ret != (struct elf_cris_link_hash_entry *) NULL)
870 {
871 ret->pcrel_relocs_copied = NULL;
872 ret->gotplt_refcount = 0;
873 ret->gotplt_offset = 0;
100382c7
HPN
874 ret->dtp_refcount = 0;
875 ret->tprel_refcount = 0;
876 ret->reg_got_refcount = 0;
915e5146
HPN
877 }
878
879 return (struct bfd_hash_entry *) ret;
880}
881
882/* Create a CRIS ELF linker hash table. */
883
884static struct bfd_link_hash_table *
4dfe6ac6 885elf_cris_link_hash_table_create (bfd *abfd)
915e5146
HPN
886{
887 struct elf_cris_link_hash_table *ret;
dc810e39 888 bfd_size_type amt = sizeof (struct elf_cris_link_hash_table);
915e5146 889
7bf52ea2 890 ret = ((struct elf_cris_link_hash_table *) bfd_zmalloc (amt));
915e5146
HPN
891 if (ret == (struct elf_cris_link_hash_table *) NULL)
892 return NULL;
893
66eb6687
AM
894 if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
895 elf_cris_link_hash_newfunc,
4dfe6ac6
NC
896 sizeof (struct elf_cris_link_hash_entry),
897 CRIS_ELF_DATA))
915e5146 898 {
e2d34d7d 899 free (ret);
915e5146
HPN
900 return NULL;
901 }
902
903 /* Initialize to skip over the first three entries in the gotplt; they
904 are used for run-time symbol evaluation. */
905 ret->next_gotplt_entry = 12;
906
907 return &ret->root.root;
908}
909\f
06c15ad7 910/* Perform a single relocation. By default we use the standard BFD
915e5146 911 routines, with a few tweaks. */
06c15ad7
HPN
912
913static bfd_reloc_status_type
2c3fc389
NC
914cris_final_link_relocate (reloc_howto_type * howto,
915 bfd * input_bfd,
916 asection * input_section,
917 bfd_byte * contents,
918 Elf_Internal_Rela * rel,
919 bfd_vma relocation)
06c15ad7 920{
915e5146 921 bfd_reloc_status_type r;
100382c7 922 enum elf_cris_reloc_type r_type = ELF32_R_TYPE (rel->r_info);
915e5146
HPN
923
924 /* PC-relative relocations are relative to the position *after*
925 the reloc. Note that for R_CRIS_8_PCREL the adjustment is
926 not a single byte, since PC must be 16-bit-aligned. */
100382c7 927 switch (r_type)
915e5146
HPN
928 {
929 /* Check that the 16-bit GOT relocs are positive. */
930 case R_CRIS_16_GOTPLT:
931 case R_CRIS_16_GOT:
932 if ((bfd_signed_vma) relocation < 0)
933 return bfd_reloc_overflow;
934 break;
935
936 case R_CRIS_32_PLT_PCREL:
937 case R_CRIS_32_PCREL:
938 relocation -= 2;
939 /* Fall through. */
940 case R_CRIS_8_PCREL:
941 case R_CRIS_16_PCREL:
942 relocation -= 2;
943 break;
944
945 default:
946 break;
947 }
948
949 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
06c15ad7
HPN
950 contents, rel->r_offset,
951 relocation, rel->r_addend);
952 return r;
953}
954\f
100382c7
HPN
955
956/* The number of errors left before we stop outputting reloc-specific
957 explanatory messages. By coincidence, this works nicely together
958 with the default number of messages you'll get from LD about
959 "relocation truncated to fit" messages before you get an
960 "additional relocation overflows omitted from the output". */
961static int additional_relocation_error_msg_count = 10;
962
06c15ad7
HPN
963/* Relocate an CRIS ELF section. See elf32-fr30.c, from where this was
964 copied, for further comments. */
965
b34976b6 966static bfd_boolean
4dfe6ac6
NC
967cris_elf_relocate_section (bfd *output_bfd ATTRIBUTE_UNUSED,
968 struct bfd_link_info *info,
969 bfd *input_bfd,
970 asection *input_section,
971 bfd_byte *contents,
972 Elf_Internal_Rela *relocs,
973 Elf_Internal_Sym *local_syms,
974 asection **local_sections)
06c15ad7 975{
4dfe6ac6 976 struct elf_cris_link_hash_table * htab;
915e5146 977 bfd *dynobj;
b34976b6
AM
978 Elf_Internal_Shdr *symtab_hdr;
979 struct elf_link_hash_entry **sym_hashes;
915e5146
HPN
980 bfd_vma *local_got_offsets;
981 asection *sgot;
982 asection *splt;
983 asection *sreloc;
b34976b6
AM
984 Elf_Internal_Rela *rel;
985 Elf_Internal_Rela *relend;
100382c7 986 asection *srelgot;
06c15ad7 987
4dfe6ac6
NC
988 htab = elf_cris_hash_table (info);
989 if (htab == NULL)
990 return FALSE;
991
915e5146
HPN
992 dynobj = elf_hash_table (info)->dynobj;
993 local_got_offsets = elf_local_got_offsets (input_bfd);
06c15ad7
HPN
994 symtab_hdr = & elf_tdata (input_bfd)->symtab_hdr;
995 sym_hashes = elf_sym_hashes (input_bfd);
996 relend = relocs + input_section->reloc_count;
997
915e5146
HPN
998 sgot = NULL;
999 splt = NULL;
1000 sreloc = NULL;
100382c7 1001 srelgot = NULL;
915e5146
HPN
1002
1003 if (dynobj != NULL)
1004 {
3d4d4302
AM
1005 splt = bfd_get_linker_section (dynobj, ".plt");
1006 sgot = bfd_get_linker_section (dynobj, ".got");
915e5146
HPN
1007 }
1008
06c15ad7
HPN
1009 for (rel = relocs; rel < relend; rel ++)
1010 {
b34976b6
AM
1011 reloc_howto_type *howto;
1012 unsigned long r_symndx;
1013 Elf_Internal_Sym *sym;
1014 asection *sec;
1015 struct elf_link_hash_entry *h;
1016 bfd_vma relocation;
1017 bfd_reloc_status_type r;
1018 const char *symname = NULL;
100382c7 1019 enum elf_cris_reloc_type r_type;
a7c10850 1020
06c15ad7 1021 r_type = ELF32_R_TYPE (rel->r_info);
a7c10850 1022
06c15ad7
HPN
1023 if ( r_type == R_CRIS_GNU_VTINHERIT
1024 || r_type == R_CRIS_GNU_VTENTRY)
1025 continue;
a7c10850 1026
f0fe0e16 1027 r_symndx = ELF32_R_SYM (rel->r_info);
915e5146 1028 howto = cris_elf_howto_table + r_type;
06c15ad7
HPN
1029 h = NULL;
1030 sym = NULL;
1031 sec = NULL;
a7c10850 1032
06c15ad7
HPN
1033 if (r_symndx < symtab_hdr->sh_info)
1034 {
1035 sym = local_syms + r_symndx;
1036 sec = local_sections [r_symndx];
8517fae7 1037 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
a7c10850 1038
dc810e39
AM
1039 symname = (bfd_elf_string_from_elf_section
1040 (input_bfd, symtab_hdr->sh_link, sym->st_name));
1041 if (symname == NULL)
1042 symname = bfd_section_name (input_bfd, sec);
06c15ad7
HPN
1043 }
1044 else
1045 {
62d887d4 1046 bfd_boolean warned, ignored;
560e09e9 1047 bfd_boolean unresolved_reloc;
0a4787a0 1048
b2a8e766
AM
1049 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
1050 r_symndx, symtab_hdr, sym_hashes,
1051 h, sec, relocation,
62d887d4 1052 unresolved_reloc, warned, ignored);
915e5146 1053
100382c7
HPN
1054 symname = h->root.root.string;
1055
560e09e9 1056 if (unresolved_reloc
915e5146
HPN
1057 /* Perhaps we should detect the cases that
1058 sec->output_section is expected to be NULL like i386 and
1059 m68k, but apparently (and according to elfxx-ia64.c) all
1060 valid cases are where the symbol is defined in a shared
1061 object which we link dynamically against. This includes
1062 PLT relocs for which we've created a PLT entry and other
1063 relocs for which we're prepared to create dynamic
1064 relocations.
1065
1066 For now, new situations cause us to just err when
1067 sec->output_offset is NULL but the object with the symbol
1068 is *not* dynamically linked against. Thus this will
1069 automatically remind us so we can see if there are other
1070 valid cases we need to revisit. */
560e09e9
NC
1071 && (sec->owner->flags & DYNAMIC) != 0)
1072 relocation = 0;
1073
1074 else if (h->root.type == bfd_link_hash_defined
1075 || h->root.type == bfd_link_hash_defweak)
1076 {
1077 /* Here follow the cases where the relocation value must
1078 be zero (or when further handling is simplified when
1079 zero). I can't claim to understand the various
1080 conditions and they weren't described in the files
1081 where I copied them from (elf32-m68k.c and
1082 elf32-i386.c), but let's mention examples of where
1083 they happen. FIXME: Perhaps define and use a
1084 dynamic_symbol_p function like ia64.
1085
1086 - When creating a shared library, we can have an
1087 ordinary relocation for a symbol defined in a shared
1088 library (perhaps the one we create). We then make
1089 the relocation value zero, as the value seen now will
1090 be added into the relocation addend in this shared
1091 library, but must be handled only at dynamic-link
1092 time. FIXME: Not sure this example covers the
1093 h->elf_link_hash_flags test, though it's there in
1094 other targets. */
0e1862bb 1095 if (bfd_link_pic (info)
cb1c8103 1096 && ((!SYMBOLIC_BIND (info, h) && h->dynindx != -1)
f5385ebf 1097 || !h->def_regular)
560e09e9
NC
1098 && (input_section->flags & SEC_ALLOC) != 0
1099 && (r_type == R_CRIS_8
1100 || r_type == R_CRIS_16
1101 || r_type == R_CRIS_32
1102 || r_type == R_CRIS_8_PCREL
1103 || r_type == R_CRIS_16_PCREL
1104 || r_type == R_CRIS_32_PCREL))
915e5146 1105 relocation = 0;
0e1862bb 1106 else if (!bfd_link_relocatable (info) && unresolved_reloc
1d5316ab
AM
1107 && (_bfd_elf_section_offset (output_bfd, info,
1108 input_section,
1109 rel->r_offset)
1110 != (bfd_vma) -1))
915e5146 1111 {
560e09e9 1112 _bfd_error_handler
bac23f82 1113 (_("%B, section %A: unresolvable relocation %s against symbol `%s'"),
d003868e
AM
1114 input_bfd,
1115 input_section,
8f615d07 1116 cris_elf_howto_table[r_type].name,
d003868e 1117 symname);
915e5146 1118 bfd_set_error (bfd_error_bad_value);
b34976b6 1119 return FALSE;
915e5146 1120 }
06c15ad7 1121 }
06c15ad7 1122 }
a7c10850 1123
dbaa2011 1124 if (sec != NULL && discarded_section (sec))
e4067dbb 1125 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
545fd46b 1126 rel, 1, relend, howto, 0, contents);
ab96bf03 1127
0e1862bb 1128 if (bfd_link_relocatable (info))
ab96bf03
AM
1129 continue;
1130
915e5146 1131 switch (r_type)
06c15ad7 1132 {
915e5146
HPN
1133 case R_CRIS_16_GOTPLT:
1134 case R_CRIS_32_GOTPLT:
1135 /* This is like the case for R_CRIS_32_GOT and R_CRIS_16_GOT,
1136 but we require a PLT, and the PLT handling will take care of
1137 filling in the PLT-specific GOT entry. For the GOT offset,
1138 calculate it as we do when filling it in for the .got.plt
1139 section. If we don't have a PLT, punt to GOT handling. */
1140 if (h != NULL
1141 && ((struct elf_cris_link_hash_entry *) h)->gotplt_offset != 0)
06c15ad7 1142 {
915e5146 1143 asection *sgotplt
3d4d4302 1144 = bfd_get_linker_section (dynobj, ".got.plt");
915e5146 1145 bfd_vma got_offset;
a7c10850 1146
915e5146
HPN
1147 BFD_ASSERT (h->dynindx != -1);
1148 BFD_ASSERT (sgotplt != NULL);
a7c10850 1149
915e5146
HPN
1150 got_offset
1151 = ((struct elf_cris_link_hash_entry *) h)->gotplt_offset;
06c15ad7 1152
915e5146 1153 relocation = got_offset;
06c15ad7 1154 break;
915e5146 1155 }
06c15ad7 1156
4d96d128 1157 /* We didn't make a PLT entry for this symbol. Maybe everything is
915e5146
HPN
1158 folded into the GOT. Other than folding, this happens when
1159 statically linking PIC code, or when using -Bsymbolic. Check
1160 that we instead have a GOT entry as done for us by
1161 elf_cris_adjust_dynamic_symbol, and drop through into the
e4a2175c
HPN
1162 ordinary GOT cases. This must not happen for the
1163 executable, because any reference it does to a function
1164 that is satisfied by a DSO must generate a PLT. We assume
1165 these call-specific relocs don't address non-functions. */
1166 if (h != NULL
1167 && (h->got.offset == (bfd_vma) -1
0e1862bb 1168 || (!bfd_link_pic (info)
f5385ebf
AM
1169 && !(h->def_regular
1170 || (!h->def_dynamic
1171 && h->root.type == bfd_link_hash_undefweak)))))
915e5146
HPN
1172 {
1173 (*_bfd_error_handler)
e4a2175c 1174 ((h->got.offset == (bfd_vma) -1)
bac23f82 1175 ? _("%B, section %A: No PLT nor GOT for relocation %s"
d003868e 1176 " against symbol `%s'")
bac23f82 1177 : _("%B, section %A: No PLT for relocation %s"
d003868e
AM
1178 " against symbol `%s'"),
1179 input_bfd,
1180 input_section,
915e5146 1181 cris_elf_howto_table[r_type].name,
ada1953e
HPN
1182 (symname != NULL && symname[0] != '\0'
1183 ? symname : _("[whose name is lost]")));
915e5146
HPN
1184
1185 /* FIXME: Perhaps blaming input is not the right thing to
1186 do; this is probably an internal error. But it is true
1187 that we didn't like that particular input. */
1188 bfd_set_error (bfd_error_bad_value);
b34976b6 1189 return FALSE;
915e5146
HPN
1190 }
1191 /* Fall through. */
1192
1193 /* The size of the actual relocation is not used here; we only
1194 fill in the GOT table here. */
1195 case R_CRIS_16_GOT:
1196 case R_CRIS_32_GOT:
1197 {
1198 bfd_vma off;
1199
1200 /* Note that despite using RELA relocations, the .got contents
1201 is always filled in with the link-relative relocation
1202 value; the addend. */
1203
1204 if (h != NULL)
1205 {
1206 off = h->got.offset;
1207 BFD_ASSERT (off != (bfd_vma) -1);
1208
1209 if (!elf_hash_table (info)->dynamic_sections_created
0e1862bb 1210 || (! bfd_link_pic (info)
f5385ebf 1211 && (h->def_regular
e4a2175c 1212 || h->type == STT_FUNC
f5385ebf 1213 || h->needs_plt))
0e1862bb 1214 || (bfd_link_pic (info)
cb1c8103 1215 && (SYMBOLIC_BIND (info, h) || h->dynindx == -1)
f5385ebf 1216 && h->def_regular))
915e5146 1217 {
0e1862bb 1218 /* This wasn't checked above for ! bfd_link_pic (info), but
e4a2175c
HPN
1219 must hold there if we get here; the symbol must
1220 be defined in the regular program or be undefweak
1221 or be a function or otherwise need a PLT. */
6849c52f 1222 BFD_ASSERT (!elf_hash_table (info)->dynamic_sections_created
0e1862bb 1223 || bfd_link_pic (info)
f5385ebf 1224 || h->def_regular
e4a2175c 1225 || h->type == STT_FUNC
f5385ebf 1226 || h->needs_plt
6849c52f 1227 || h->root.type == bfd_link_hash_undefweak);
4d96d128 1228
915e5146 1229 /* This is actually a static link, or it is a
6849c52f
HPN
1230 -Bsymbolic link and the symbol is defined locally,
1231 or is undefweak, or the symbol was forced to be
1232 local because of a version file, or we're not
1233 creating a dynamic object. We must initialize this
1234 entry in the global offset table. Since the offset
1235 must always be a multiple of 4, we use the least
1236 significant bit to record whether we have
1237 initialized it already.
1238
1239 If this GOT entry should be runtime-initialized, we
1240 will create a .rela.got relocation entry to
1241 initialize the value. This is done in the
1242 finish_dynamic_symbol routine. */
915e5146
HPN
1243 if ((off & 1) != 0)
1244 off &= ~1;
1245 else
1246 {
1247 bfd_put_32 (output_bfd, relocation,
1248 sgot->contents + off);
1249 h->got.offset |= 1;
1250 }
1251 }
1252 }
1253 else
1254 {
1255 BFD_ASSERT (local_got_offsets != NULL
1256 && local_got_offsets[r_symndx] != (bfd_vma) -1);
1257
1258 off = local_got_offsets[r_symndx];
1259
1260 /* The offset must always be a multiple of 4. We use
1261 the least significant bit to record whether we have
1262 already generated the necessary reloc. */
1263 if ((off & 1) != 0)
1264 off &= ~1;
1265 else
1266 {
1267 bfd_put_32 (output_bfd, relocation, sgot->contents + off);
1268
0e1862bb 1269 if (bfd_link_pic (info))
915e5146 1270 {
915e5146 1271 Elf_Internal_Rela outrel;
947216bf 1272 bfd_byte *loc;
915e5146 1273
100382c7
HPN
1274 if (srelgot == NULL)
1275 srelgot
3d4d4302 1276 = bfd_get_linker_section (dynobj, ".rela.got");
100382c7 1277 BFD_ASSERT (srelgot != NULL);
915e5146
HPN
1278
1279 outrel.r_offset = (sgot->output_section->vma
1280 + sgot->output_offset
1281 + off);
1282 outrel.r_info = ELF32_R_INFO (0, R_CRIS_RELATIVE);
1283 outrel.r_addend = relocation;
100382c7
HPN
1284 loc = srelgot->contents;
1285 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
947216bf 1286 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
915e5146
HPN
1287 }
1288
1289 local_got_offsets[r_symndx] |= 1;
1290 }
1291 }
1292
1293 relocation = sgot->output_offset + off;
1294 if (rel->r_addend != 0)
1295 {
1296 /* We can't do anything for a relocation which is against
1297 a symbol *plus offset*. GOT holds relocations for
1298 symbols. Make this an error; the compiler isn't
1299 allowed to pass us these kinds of things. */
1300 if (h == NULL)
1301 (*_bfd_error_handler)
bac23f82 1302 (_("%B, section %A: relocation %s with non-zero addend %d"
d003868e
AM
1303 " against local symbol"),
1304 input_bfd,
1305 input_section,
915e5146 1306 cris_elf_howto_table[r_type].name,
d003868e 1307 rel->r_addend);
915e5146
HPN
1308 else
1309 (*_bfd_error_handler)
bac23f82 1310 (_("%B, section %A: relocation %s with non-zero addend %d"
d003868e
AM
1311 " against symbol `%s'"),
1312 input_bfd,
1313 input_section,
915e5146
HPN
1314 cris_elf_howto_table[r_type].name,
1315 rel->r_addend,
d003868e 1316 symname[0] != '\0' ? symname : _("[whose name is lost]"));
915e5146
HPN
1317
1318 bfd_set_error (bfd_error_bad_value);
b34976b6 1319 return FALSE;
915e5146
HPN
1320 }
1321 }
1322 break;
06c15ad7 1323
915e5146 1324 case R_CRIS_32_GOTREL:
3dab95d3
HPN
1325 /* This relocation must only be performed against local symbols.
1326 It's also ok when we link a program and the symbol is either
1327 defined in an ordinary (non-DSO) object or is undefined weak. */
1328 if (h != NULL
1329 && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
0e1862bb 1330 && !(!bfd_link_pic (info)
f5385ebf
AM
1331 && (h->def_regular
1332 || (!h->def_dynamic
3dab95d3 1333 && h->root.type == bfd_link_hash_undefweak))))
915e5146
HPN
1334 {
1335 (*_bfd_error_handler)
bac23f82
HPN
1336 (_("%B, section %A: relocation %s is"
1337 " not allowed for global symbol: `%s'"),
d003868e
AM
1338 input_bfd,
1339 input_section,
915e5146 1340 cris_elf_howto_table[r_type].name,
d003868e 1341 symname);
915e5146 1342 bfd_set_error (bfd_error_bad_value);
b34976b6 1343 return FALSE;
06c15ad7
HPN
1344 }
1345
58255df3
HPN
1346 /* This can happen if we get a link error with the input ELF
1347 variant mismatching the output variant. Emit an error so
1348 it's noticed if it happens elsewhere. */
1349 if (sgot == NULL)
1350 {
1351 (*_bfd_error_handler)
bac23f82 1352 (_("%B, section %A: relocation %s with no GOT created"),
d003868e
AM
1353 input_bfd,
1354 input_section,
1355 cris_elf_howto_table[r_type].name);
58255df3 1356 bfd_set_error (bfd_error_bad_value);
b34976b6 1357 return FALSE;
58255df3
HPN
1358 }
1359
915e5146
HPN
1360 /* This relocation is like a PC-relative one, except the
1361 reference point is the location of GOT. Note that
1362 sgot->output_offset is not involved in this calculation. We
1363 always want the start of entire .got section, not the
1364 position after the reserved header. */
1365 relocation -= sgot->output_section->vma;
1366 break;
06c15ad7 1367
915e5146
HPN
1368 case R_CRIS_32_PLT_PCREL:
1369 /* Relocation is to the entry for this symbol in the
1370 procedure linkage table. */
06c15ad7 1371
915e5146
HPN
1372 /* Resolve a PLT_PCREL reloc against a local symbol directly,
1373 without using the procedure linkage table. */
0a4787a0 1374 if (h == NULL || ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
915e5146
HPN
1375 break;
1376
1377 if (h->plt.offset == (bfd_vma) -1
1378 || splt == NULL)
1379 {
1380 /* We didn't make a PLT entry for this symbol. This
1381 happens when statically linking PIC code, or when
1382 using -Bsymbolic. */
1383 break;
1384 }
1385
1386 relocation = (splt->output_section->vma
1387 + splt->output_offset
1388 + h->plt.offset);
1389 break;
1390
1391 case R_CRIS_32_PLT_GOTREL:
1392 /* Like R_CRIS_32_PLT_PCREL, but the reference point is the
1393 start of the .got section. See also comment at
1394 R_CRIS_32_GOT. */
1395 relocation -= sgot->output_section->vma;
1396
1397 /* Resolve a PLT_GOTREL reloc against a local symbol directly,
1398 without using the procedure linkage table. */
0a4787a0 1399 if (h == NULL || ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
915e5146
HPN
1400 break;
1401
1402 if (h->plt.offset == (bfd_vma) -1
1403 || splt == NULL)
1404 {
1405 /* We didn't make a PLT entry for this symbol. This
1406 happens when statically linking PIC code, or when
1407 using -Bsymbolic. */
1408 break;
1409 }
1410
1411 relocation = (splt->output_section->vma
1412 + splt->output_offset
1413 + h->plt.offset
1414 - sgot->output_section->vma);
1415 break;
1416
1417 case R_CRIS_8_PCREL:
1418 case R_CRIS_16_PCREL:
1419 case R_CRIS_32_PCREL:
1420 /* If the symbol was local, we need no shlib-specific handling. */
0d08de41
HPN
1421 if (h == NULL || ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
1422 || h->dynindx == -1)
915e5146
HPN
1423 break;
1424
1425 /* Fall through. */
1426 case R_CRIS_8:
1427 case R_CRIS_16:
1428 case R_CRIS_32:
0e1862bb 1429 if (bfd_link_pic (info)
cf35638d 1430 && r_symndx != STN_UNDEF
915e5146
HPN
1431 && (input_section->flags & SEC_ALLOC) != 0
1432 && ((r_type != R_CRIS_8_PCREL
1433 && r_type != R_CRIS_16_PCREL
1434 && r_type != R_CRIS_32_PCREL)
cb1c8103 1435 || (!SYMBOLIC_BIND (info, h)
02865b8e 1436 || (h != NULL && !h->def_regular))))
915e5146
HPN
1437 {
1438 Elf_Internal_Rela outrel;
947216bf 1439 bfd_byte *loc;
b34976b6 1440 bfd_boolean skip, relocate;
915e5146
HPN
1441
1442 /* When generating a shared object, these relocations
1443 are copied into the output file to be resolved at run
1444 time. */
1445
1446 if (sreloc == NULL)
1447 {
83bac4b0 1448 sreloc = _bfd_elf_get_dynamic_reloc_section
e236b51d 1449 (dynobj, input_section, /*rela?*/ TRUE);
83bac4b0
NC
1450 /* The section should have been created in cris_elf_check_relocs,
1451 but that function will not be called for objects which fail in
915e5146
HPN
1452 cris_elf_merge_private_bfd_data. */
1453 if (sreloc == NULL)
1454 {
915e5146 1455 bfd_set_error (bfd_error_bad_value);
b34976b6 1456 return FALSE;
915e5146
HPN
1457 }
1458 }
1459
b34976b6
AM
1460 skip = FALSE;
1461 relocate = FALSE;
915e5146 1462
c629eae0
JJ
1463 outrel.r_offset =
1464 _bfd_elf_section_offset (output_bfd, info, input_section,
1465 rel->r_offset);
1466 if (outrel.r_offset == (bfd_vma) -1)
b34976b6 1467 skip = TRUE;
b3bf42d8
HPN
1468 else if (outrel.r_offset == (bfd_vma) -2
1469 /* For now, undefined weak symbols with non-default
1470 visibility (yielding 0), like exception info for
1471 discarded sections, will get a R_CRIS_NONE
1472 relocation rather than no relocation, because we
1473 notice too late that the symbol doesn't need a
1474 relocation. */
1475 || (h != NULL
1476 && h->root.type == bfd_link_hash_undefweak
1477 && ELF_ST_VISIBILITY (h->other) != STV_DEFAULT))
b34976b6 1478 skip = TRUE, relocate = TRUE;
915e5146
HPN
1479 outrel.r_offset += (input_section->output_section->vma
1480 + input_section->output_offset);
1481
1482 if (skip)
0bb2d96a 1483 memset (&outrel, 0, sizeof outrel);
915e5146
HPN
1484 /* h->dynindx may be -1 if the symbol was marked to
1485 become local. */
1486 else if (h != NULL
cb1c8103 1487 && ((!SYMBOLIC_BIND (info, h) && h->dynindx != -1)
f5385ebf 1488 || !h->def_regular))
915e5146
HPN
1489 {
1490 BFD_ASSERT (h->dynindx != -1);
915e5146
HPN
1491 outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
1492 outrel.r_addend = relocation + rel->r_addend;
1493 }
1494 else
1495 {
74541ad4
AM
1496 outrel.r_addend = relocation + rel->r_addend;
1497
915e5146
HPN
1498 if (r_type == R_CRIS_32)
1499 {
b34976b6 1500 relocate = TRUE;
915e5146 1501 outrel.r_info = ELF32_R_INFO (0, R_CRIS_RELATIVE);
915e5146
HPN
1502 }
1503 else
1504 {
1505 long indx;
1506
8517fae7 1507 if (bfd_is_abs_section (sec))
915e5146
HPN
1508 indx = 0;
1509 else if (sec == NULL || sec->owner == NULL)
1510 {
1511 bfd_set_error (bfd_error_bad_value);
b34976b6 1512 return FALSE;
915e5146
HPN
1513 }
1514 else
1515 {
1516 asection *osec;
1517
74541ad4
AM
1518 /* We are turning this relocation into one
1519 against a section symbol. It would be
1520 proper to subtract the symbol's value,
1521 osec->vma, from the emitted reloc addend,
1522 but ld.so expects buggy relocs. */
915e5146
HPN
1523 osec = sec->output_section;
1524 indx = elf_section_data (osec)->dynindx;
74541ad4
AM
1525 if (indx == 0)
1526 {
74541ad4
AM
1527 osec = htab->root.text_index_section;
1528 indx = elf_section_data (osec)->dynindx;
1529 }
1530 BFD_ASSERT (indx != 0);
915e5146
HPN
1531 }
1532
915e5146 1533 outrel.r_info = ELF32_R_INFO (indx, r_type);
915e5146
HPN
1534 }
1535 }
1536
947216bf
AM
1537 loc = sreloc->contents;
1538 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
1539 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
915e5146
HPN
1540
1541 /* This reloc will be computed at runtime, so there's no
1542 need to do anything now, except for R_CRIS_32 relocations
1543 that have been turned into R_CRIS_RELATIVE. */
1544 if (!relocate)
1545 continue;
1546 }
1547
1548 break;
100382c7
HPN
1549
1550 case R_CRIS_16_DTPREL:
1551 case R_CRIS_32_DTPREL:
1552 /* This relocation must only be performed against local
6718f446
HPN
1553 symbols, or to sections that are not loadable. It's also
1554 ok when we link a program and the symbol is defined in an
1555 ordinary (non-DSO) object (if it's undefined there, we've
1556 already seen an error). */
100382c7 1557 if (h != NULL
6718f446 1558 && (input_section->flags & SEC_ALLOC) != 0
100382c7 1559 && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
0e1862bb 1560 && (bfd_link_pic (info)
100382c7
HPN
1561 || (!h->def_regular
1562 && h->root.type != bfd_link_hash_undefined)))
1563 {
1564 (*_bfd_error_handler)
1565 ((h->root.type == bfd_link_hash_undefined)
1566 /* We shouldn't get here for GCC-emitted code. */
1567 ? _("%B, section %A: relocation %s has an undefined"
1568 " reference to `%s', perhaps a declaration mixup?")
1569 : ("%B, section %A: relocation %s is"
1570 " not allowed for `%s', a global symbol with default"
1571 " visibility, perhaps a declaration mixup?"),
1572 input_bfd,
1573 input_section,
1574 cris_elf_howto_table[r_type].name,
1575 symname != NULL && symname[0] != '\0'
1576 ? symname : _("[whose name is lost]"));
1577 bfd_set_error (bfd_error_bad_value);
1578 return FALSE;
1579 }
1580
6718f446 1581 BFD_ASSERT ((input_section->flags & SEC_ALLOC) == 0
4dfe6ac6 1582 || htab->dtpmod_refcount != 0);
100382c7
HPN
1583
1584 /* Fill in a R_CRIS_DTPMOD reloc at offset 3 if we haven't
1585 already done so. Note that we do this in .got.plt, not
1586 in .got, as .got.plt contains the first part, still the
1587 reloc is against .got, because the linker script directs
1588 (is required to direct) them both into .got. */
4dfe6ac6 1589 if (htab->dtpmod_refcount > 0
6718f446 1590 && (input_section->flags & SEC_ALLOC) != 0)
100382c7 1591 {
3d4d4302 1592 asection *sgotplt = bfd_get_linker_section (dynobj, ".got.plt");
100382c7
HPN
1593 BFD_ASSERT (sgotplt != NULL);
1594
0e1862bb 1595 if (bfd_link_pic (info))
100382c7
HPN
1596 {
1597 Elf_Internal_Rela outrel;
1598 bfd_byte *loc;
1599
1600 if (srelgot == NULL)
3d4d4302 1601 srelgot = bfd_get_linker_section (dynobj, ".rela.got");
100382c7
HPN
1602 BFD_ASSERT (srelgot != NULL);
1603 loc = srelgot->contents;
1604 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
1605
1606 bfd_put_32 (output_bfd, (bfd_vma) 0, sgotplt->contents + 12);
1607 bfd_put_32 (output_bfd, (bfd_vma) 0, sgotplt->contents + 16);
1608 outrel.r_offset = (sgotplt->output_section->vma
1609 + sgotplt->output_offset
1610 + 12);
1611 outrel.r_info = ELF32_R_INFO (0, R_CRIS_DTPMOD);
1612 outrel.r_addend = 0;
1613 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
1614 }
1615 else
1616 {
1617 /* For an executable, the GOT entry contents is known. */
1618 bfd_put_32 (output_bfd, (bfd_vma) 1, sgotplt->contents + 12);
1619 bfd_put_32 (output_bfd, (bfd_vma) 0, sgotplt->contents + 16);
1620 }
1621
1622 /* Reverse the sign to mark that we've emitted the
1623 required GOT entry. */
4dfe6ac6 1624 htab->dtpmod_refcount = - htab->dtpmod_refcount;
100382c7
HPN
1625 }
1626
ebf275e3
HPN
1627 /* The relocation is the offset from the start of the module
1628 TLS block to the (local) symbol. */
100382c7 1629 relocation -= elf_hash_table (info)->tls_sec == NULL
ebf275e3 1630 ? 0 : elf_hash_table (info)->tls_sec->vma;
100382c7
HPN
1631 break;
1632
1633 case R_CRIS_32_GD:
0e1862bb 1634 if (bfd_link_pic (info))
100382c7
HPN
1635 {
1636 bfd_set_error (bfd_error_invalid_operation);
1637
1638 /* We've already informed in cris_elf_check_relocs that
1639 this is an error. */
1640 return FALSE;
1641 }
1642 /* Fall through. */
1643
1644 case R_CRIS_16_GOT_GD:
1645 case R_CRIS_32_GOT_GD:
1646 if (rel->r_addend != 0)
1647 {
1648 /* We can't do anything for a relocation which is against a
1649 symbol *plus offset*. The GOT holds relocations for
1650 symbols. Make this an error; the compiler isn't allowed
1651 to pass us these kinds of things. */
1652 (*_bfd_error_handler)
1653 (_("%B, section %A: relocation %s with non-zero addend %d"
1654 " against symbol `%s'"),
1655 input_bfd,
1656 input_section,
1657 cris_elf_howto_table[r_type].name,
1658 rel->r_addend,
1659 symname[0] != '\0' ? symname : _("[whose name is lost]"));
1660
1661 bfd_set_error (bfd_error_bad_value);
1662 return FALSE;
1663 }
1664
0e1862bb 1665 if (!bfd_link_pic (info)
34d3d6b9 1666 && (h == NULL || h->def_regular || ELF_COMMON_DEF_P (h)))
100382c7
HPN
1667 {
1668 /* Known contents of the GOT. */
1669 bfd_vma off;
1670
1671 /* The symbol is defined in the program, so just write
019c5a2e 1672 (1, known_tpoffset) into the GOT. */
100382c7
HPN
1673 relocation -= elf_hash_table (info)->tls_sec->vma;
1674
1675 if (h != NULL)
1676 {
1677 off = elf_cris_hash_entry (h)->tprel_refcount > 0
1678 ? h->got.offset + 4 : h->got.offset;
1679 }
1680 else
1681 {
1682 off = local_got_offsets[r_symndx];
1683 if (local_got_offsets[LGOT_TPREL_NDX (r_symndx)])
1684 off += 4;
1685 }
1686
1687 /* We use bit 1 of the offset as a flag for GOT entry with
1688 the R_CRIS_DTP reloc, setting it when we've emitted the
1689 GOT entry and reloc. Bit 0 is used for R_CRIS_32_TPREL
1690 relocs. */
1691 if ((off & 2) == 0)
1692 {
1693 off &= ~3;
1694
1695 if (h != NULL)
1696 h->got.offset |= 2;
1697 else
1698 local_got_offsets[r_symndx] |= 2;
1699
1700 bfd_put_32 (output_bfd, 1, sgot->contents + off);
1701 bfd_put_32 (output_bfd, relocation, sgot->contents + off + 4);
1702 }
1703 else
1704 off &= ~3;
1705
1706 relocation = sgot->output_offset + off
1707 + (r_type == R_CRIS_32_GD ? sgot->output_section->vma : 0);
1708 }
1709 else
1710 {
1711 /* Not all parts of the GOT entry are known; emit a real
1712 relocation. */
1713 bfd_vma off;
1714
1715 if (h != NULL)
1716 off = elf_cris_hash_entry (h)->tprel_refcount > 0
1717 ? h->got.offset + 4 : h->got.offset;
1718 else
1719 {
1720 off = local_got_offsets[r_symndx];
1721 if (local_got_offsets[LGOT_TPREL_NDX (r_symndx)])
1722 off += 4;
1723 }
1724
1725 /* See above re bit 1 and bit 0 usage. */
1726 if ((off & 2) == 0)
1727 {
1728 Elf_Internal_Rela outrel;
1729 bfd_byte *loc;
1730
1731 off &= ~3;
1732
1733 if (h != NULL)
1734 h->got.offset |= 2;
1735 else
1736 local_got_offsets[r_symndx] |= 2;
1737
1738 /* Clear the target contents of the GOT (just as a
1739 gesture; it's already cleared on allocation): this
1740 relocation is not like the other dynrelocs. */
1741 bfd_put_32 (output_bfd, 0, sgot->contents + off);
1742 bfd_put_32 (output_bfd, 0, sgot->contents + off + 4);
1743
1744 if (srelgot == NULL)
3d4d4302 1745 srelgot = bfd_get_linker_section (dynobj, ".rela.got");
100382c7
HPN
1746 BFD_ASSERT (srelgot != NULL);
1747
1748 if (h != NULL && h->dynindx != -1)
1749 {
1750 outrel.r_info = ELF32_R_INFO (h->dynindx, R_CRIS_DTP);
1751 relocation = 0;
1752 }
1753 else
1754 {
1755 outrel.r_info = ELF32_R_INFO (0, R_CRIS_DTP);
1756
1757 /* NULL if we had an error. */
1758 relocation -= elf_hash_table (info)->tls_sec == NULL
1759 ? 0 : elf_hash_table (info)->tls_sec->vma;
1760 }
1761
1762 outrel.r_offset = (sgot->output_section->vma
1763 + sgot->output_offset
1764 + off);
1765 outrel.r_addend = relocation;
1766 loc = srelgot->contents;
1767 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
1768
1769 /* NULL if we had an error. */
1770 if (srelgot->contents != NULL)
1771 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
1772 }
1773 else
1774 off &= ~3;
1775
1776 relocation = sgot->output_offset + off
1777 + (r_type == R_CRIS_32_GD ? sgot->output_section->vma : 0);
1778 }
1779
1780 /* The GOT-relative offset to the GOT entry is the
1781 relocation, or for R_CRIS_32_GD, the actual address of
1782 the GOT entry. */
1783 break;
1784
75f500d7 1785 case R_CRIS_32_IE:
0e1862bb 1786 if (bfd_link_pic (info))
75f500d7
HPN
1787 {
1788 bfd_set_error (bfd_error_invalid_operation);
1789
1790 /* We've already informed in cris_elf_check_relocs that
1791 this is an error. */
1792 return FALSE;
1793 }
1794 /* Fall through. */
1795
100382c7
HPN
1796 case R_CRIS_32_GOT_TPREL:
1797 case R_CRIS_16_GOT_TPREL:
1798 if (rel->r_addend != 0)
1799 {
1800 /* We can't do anything for a relocation which is
1801 against a symbol *plus offset*. GOT holds
1802 relocations for symbols. Make this an error; the
1803 compiler isn't allowed to pass us these kinds of
1804 things. */
1805 (*_bfd_error_handler)
1806 (_("%B, section %A: relocation %s with non-zero addend %d"
1807 " against symbol `%s'"),
1808 input_bfd,
1809 input_section,
1810 cris_elf_howto_table[r_type].name,
1811 rel->r_addend,
1812 symname[0] != '\0' ? symname : _("[whose name is lost]"));
1813 bfd_set_error (bfd_error_bad_value);
1814 return FALSE;
1815 }
1816
0e1862bb 1817 if (!bfd_link_pic (info)
26a48bb3 1818 && (h == NULL || h->def_regular || ELF_COMMON_DEF_P (h)))
100382c7
HPN
1819 {
1820 /* Known contents of the GOT. */
1821 bfd_vma off;
1822
1823 /* The symbol is defined in the program, so just write
1bc86aea 1824 the -prog_tls_size+known_tpoffset into the GOT. */
100382c7 1825 relocation -= elf_hash_table (info)->tls_sec->vma;
f6f05983 1826 relocation -= elf_hash_table (info)->tls_size;
100382c7
HPN
1827
1828 if (h != NULL)
1829 off = h->got.offset;
1830 else
1831 off = local_got_offsets[r_symndx];
1832
1833 /* Bit 0 is used to mark whether we've emitted the required
1834 entry (and if needed R_CRIS_32_TPREL reloc). Bit 1
1835 is used similarly for R_CRIS_DTP, see above. */
1836 if ((off & 1) == 0)
1837 {
1838 off &= ~3;
1839
1840 if (h != NULL)
1841 h->got.offset |= 1;
1842 else
1843 local_got_offsets[r_symndx] |= 1;
1844
1845 bfd_put_32 (output_bfd, relocation, sgot->contents + off);
1846 }
1847 else
1848 off &= ~3;
1849
75f500d7
HPN
1850 relocation = sgot->output_offset + off
1851 + (r_type == R_CRIS_32_IE ? sgot->output_section->vma : 0);
100382c7
HPN
1852 }
1853 else
1854 {
1855 /* Emit a real relocation. */
1856 bfd_vma off;
1857
1858 if (h != NULL)
1859 off = h->got.offset;
1860 else
1861 off = local_got_offsets[r_symndx];
1862
1863 /* See above re usage of bit 0 and 1. */
1864 if ((off & 1) == 0)
1865 {
1866 Elf_Internal_Rela outrel;
1867 bfd_byte *loc;
1868
1869 off &= ~3;
1870
1871 if (h != NULL)
1872 h->got.offset |= 1;
1873 else
1874 local_got_offsets[r_symndx] |= 1;
1875
1876 if (srelgot == NULL)
3d4d4302 1877 srelgot = bfd_get_linker_section (dynobj, ".rela.got");
100382c7
HPN
1878 BFD_ASSERT (srelgot != NULL);
1879
1880 if (h != NULL && h->dynindx != -1)
1881 {
1882 outrel.r_info = ELF32_R_INFO (h->dynindx, R_CRIS_32_TPREL);
1883 relocation = 0;
1884 }
1885 else
1886 {
1887 outrel.r_info = ELF32_R_INFO (0, R_CRIS_32_TPREL);
1888
1889 /* NULL if we had an error. */
1890 relocation -= elf_hash_table (info)->tls_sec == NULL
1891 ? 0 : elf_hash_table (info)->tls_sec->vma;
1892 }
1893
1894 /* Just "define" the initial contents in some
1895 semi-logical way. */
1896 bfd_put_32 (output_bfd, relocation, sgot->contents + off);
1897
1898 outrel.r_offset = (sgot->output_section->vma
1899 + sgot->output_offset
1900 + off);
1901 outrel.r_addend = relocation;
1902 loc = srelgot->contents;
1903 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
1904 /* NULL if we had an error. */
1905 if (srelgot->contents != NULL)
1906 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
1907 }
1908 else
1909 off &= ~3;
1910
75f500d7
HPN
1911 relocation = sgot->output_offset + off
1912 + (r_type == R_CRIS_32_IE ? sgot->output_section->vma : 0);
100382c7
HPN
1913 }
1914
75f500d7
HPN
1915 /* The GOT-relative offset to the GOT entry is the relocation,
1916 or for R_CRIS_32_GD, the actual address of the GOT entry. */
100382c7
HPN
1917 break;
1918
1919 case R_CRIS_16_TPREL:
1920 case R_CRIS_32_TPREL:
1921 /* This relocation must only be performed against symbols
1922 defined in an ordinary (non-DSO) object. */
0e1862bb 1923 if (bfd_link_pic (info))
100382c7
HPN
1924 {
1925 bfd_set_error (bfd_error_invalid_operation);
1926
1927 /* We've already informed in cris_elf_check_relocs that
1928 this is an error. */
1929 return FALSE;
1930 }
1931
1932 if (h != NULL
1933 && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
34d3d6b9 1934 && !(h->def_regular || ELF_COMMON_DEF_P (h))
100382c7
HPN
1935 /* If it's undefined, then an error message has already
1936 been emitted. */
1937 && h->root.type != bfd_link_hash_undefined)
1938 {
1939 (*_bfd_error_handler)
1940 (_("%B, section %A: relocation %s is"
1941 " not allowed for symbol: `%s'"
1942 " which is defined outside the program,"
1943 " perhaps a declaration mixup?"),
1944 input_bfd,
1945 input_section,
1946 cris_elf_howto_table[r_type].name,
1947 symname);
1948 bfd_set_error (bfd_error_bad_value);
1949 return FALSE;
1950 }
1951
1952 /* NULL if we had an error. */
1953 relocation -= elf_hash_table (info)->tls_sec == NULL
1bc86aea
HPN
1954 ? 0
1955 : (elf_hash_table (info)->tls_sec->vma
f6f05983 1956 + elf_hash_table (info)->tls_size);
100382c7
HPN
1957
1958 /* The TLS-relative offset is the relocation. */
1959 break;
1960
1961 default:
1962 BFD_FAIL ();
1963 return FALSE;
915e5146
HPN
1964 }
1965
1966 r = cris_final_link_relocate (howto, input_bfd, input_section,
1967 contents, rel, relocation);
1968
1969 if (r != bfd_reloc_ok)
1970 {
1971 const char * msg = (const char *) NULL;
1972
1973 switch (r)
1974 {
1975 case bfd_reloc_overflow:
1976 r = info->callbacks->reloc_overflow
dfeffb9f
L
1977 (info, (h ? &h->root : NULL), symname, howto->name,
1978 (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
100382c7
HPN
1979 if (additional_relocation_error_msg_count > 0)
1980 {
1981 additional_relocation_error_msg_count--;
1982 switch (r_type)
1983 {
1984 case R_CRIS_16_GOTPLT:
1985 case R_CRIS_16_GOT:
1986
1987 /* Not just TLS is involved here, so we make
1988 generation and message depend on -fPIC/-fpic
1989 only. */
1990 case R_CRIS_16_GOT_TPREL:
1991 case R_CRIS_16_GOT_GD:
1992 (*_bfd_error_handler)
1993 (_("(too many global variables for -fpic:"
1994 " recompile with -fPIC)"));
1995 break;
1996
1997 case R_CRIS_16_TPREL:
1998 case R_CRIS_16_DTPREL:
1999 (*_bfd_error_handler)
2000 (_("(thread-local data too big for -fpic or"
2001 " -msmall-tls: recompile with -fPIC or"
2002 " -mno-small-tls)"));
2003 break;
2004
2005 /* No known cause for overflow for other relocs. */
2006 default:
2007 break;
2008 }
2009 }
915e5146
HPN
2010 break;
2011
2012 case bfd_reloc_undefined:
2013 r = info->callbacks->undefined_symbol
dc810e39 2014 (info, symname, input_bfd, input_section, rel->r_offset,
b34976b6 2015 TRUE);
915e5146
HPN
2016 break;
2017
2018 case bfd_reloc_outofrange:
2019 msg = _("internal error: out of range error");
2020 break;
2021
2022 case bfd_reloc_notsupported:
2023 msg = _("internal error: unsupported relocation error");
2024 break;
2025
2026 case bfd_reloc_dangerous:
2027 msg = _("internal error: dangerous relocation");
2028 break;
2029
2030 default:
2031 msg = _("internal error: unknown error");
2032 break;
2033 }
2034
2035 if (msg)
2036 r = info->callbacks->warning
dc810e39 2037 (info, msg, symname, input_bfd, input_section, rel->r_offset);
915e5146
HPN
2038
2039 if (! r)
b34976b6 2040 return FALSE;
915e5146
HPN
2041 }
2042 }
2043
b34976b6 2044 return TRUE;
915e5146
HPN
2045}
2046\f
2047/* Finish up dynamic symbol handling. We set the contents of various
2048 dynamic sections here. */
2049
b34976b6 2050static bfd_boolean
4dfe6ac6
NC
2051elf_cris_finish_dynamic_symbol (bfd *output_bfd,
2052 struct bfd_link_info *info,
2053 struct elf_link_hash_entry *h,
2054 Elf_Internal_Sym *sym)
915e5146 2055{
4dfe6ac6 2056 struct elf_cris_link_hash_table * htab;
915e5146 2057 bfd *dynobj;
bac23f82
HPN
2058
2059 /* Where in the plt entry to put values. */
915e5146
HPN
2060 int plt_off1 = 2, plt_off2 = 10, plt_off3 = 16;
2061
bac23f82
HPN
2062 /* What offset to add to the distance to the first PLT entry for the
2063 value at plt_off3. */
2064 int plt_off3_value_bias = 4;
2065
2066 /* Where in the PLT entry the call-dynlink-stub is (happens to be same
2067 for PIC and non-PIC for v32 and pre-v32). */
2068 int plt_stub_offset = 8;
2069 int plt_entry_size = PLT_ENTRY_SIZE;
2070 const bfd_byte *plt_entry = elf_cris_plt_entry;
2071 const bfd_byte *plt_pic_entry = elf_cris_pic_plt_entry;
2072
4dfe6ac6
NC
2073 htab = elf_cris_hash_table (info);
2074 if (htab == NULL)
2075 return FALSE;
2076
bac23f82
HPN
2077 /* Adjust the various PLT entry offsets. */
2078 if (bfd_get_mach (output_bfd) == bfd_mach_cris_v32)
2079 {
2080 plt_off2 = 14;
2081 plt_off3 = 20;
2082 plt_off3_value_bias = -2;
2083 plt_stub_offset = 12;
2084 plt_entry_size = PLT_ENTRY_SIZE_V32;
2085 plt_entry = elf_cris_plt_entry_v32;
2086 plt_pic_entry = elf_cris_pic_plt_entry_v32;
2087 }
2088
915e5146
HPN
2089 dynobj = elf_hash_table (info)->dynobj;
2090
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
3d4d4302
AM
2133 splt = bfd_get_linker_section (dynobj, ".plt");
2134 sgotplt = bfd_get_linker_section (dynobj, ".got.plt");
2135 srela = bfd_get_linker_section (dynobj, ".rela.plt");
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
3d4d4302
AM
2232 sgot = bfd_get_linker_section (dynobj, ".got");
2233 srela = bfd_get_linker_section (dynobj, ".rela.got");
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
3d4d4302 2278 s = bfd_get_linker_section (dynobj, ".rela.bss");
915e5146
HPN
2279 BFD_ASSERT (s != NULL);
2280
2281 rela.r_offset = (h->root.u.def.value
2282 + h->root.u.def.section->output_section->vma
2283 + h->root.u.def.section->output_offset);
2284 rela.r_info = ELF32_R_INFO (h->dynindx, R_CRIS_COPY);
2285 rela.r_addend = 0;
947216bf
AM
2286 loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela);
2287 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
915e5146
HPN
2288 }
2289
2290 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */
9637f6ef 2291 if (h == elf_hash_table (info)->hdynamic
22edb2f1 2292 || h == elf_hash_table (info)->hgot)
915e5146
HPN
2293 sym->st_shndx = SHN_ABS;
2294
b34976b6 2295 return TRUE;
915e5146
HPN
2296}
2297\f
100382c7
HPN
2298/* Finish up the dynamic sections. Do *not* emit relocs here, as their
2299 offsets were changed, as part of -z combreloc handling, from those we
2300 computed. */
915e5146 2301
b34976b6 2302static bfd_boolean
2c3fc389
NC
2303elf_cris_finish_dynamic_sections (bfd *output_bfd,
2304 struct bfd_link_info *info)
915e5146
HPN
2305{
2306 bfd *dynobj;
2307 asection *sgot;
2308 asection *sdyn;
2309
2310 dynobj = elf_hash_table (info)->dynobj;
2311
3d4d4302 2312 sgot = bfd_get_linker_section (dynobj, ".got.plt");
915e5146 2313 BFD_ASSERT (sgot != NULL);
3d4d4302 2314 sdyn = bfd_get_linker_section (dynobj, ".dynamic");
915e5146
HPN
2315
2316 if (elf_hash_table (info)->dynamic_sections_created)
2317 {
2318 asection *splt;
2319 Elf32_External_Dyn *dyncon, *dynconend;
2320
3d4d4302 2321 splt = bfd_get_linker_section (dynobj, ".plt");
915e5146
HPN
2322 BFD_ASSERT (splt != NULL && sdyn != NULL);
2323
2324 dyncon = (Elf32_External_Dyn *) sdyn->contents;
eea6121a 2325 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
915e5146
HPN
2326 for (; dyncon < dynconend; dyncon++)
2327 {
2328 Elf_Internal_Dyn dyn;
2329 asection *s;
2330
2331 bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
2332
2333 switch (dyn.d_tag)
2334 {
2335 default:
2336 break;
2337
2338 case DT_PLTGOT:
4ade44b7 2339 dyn.d_un.d_ptr = sgot->output_section->vma + sgot->output_offset;
915e5146
HPN
2340 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
2341 break;
2342
2343 case DT_JMPREL:
2344 /* Yes, we *can* have a .plt and no .plt.rela, for instance
2345 if all symbols are found in the .got (not .got.plt). */
4ade44b7
AM
2346 s = bfd_get_linker_section (dynobj, ".rela.plt");
2347 dyn.d_un.d_ptr = s != NULL ? (s->output_section->vma
2348 + s->output_offset) : 0;
915e5146
HPN
2349 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
2350 break;
2351
2352 case DT_PLTRELSZ:
4ade44b7 2353 s = bfd_get_linker_section (dynobj, ".rela.plt");
915e5146
HPN
2354 if (s == NULL)
2355 dyn.d_un.d_val = 0;
915e5146 2356 else
eea6121a 2357 dyn.d_un.d_val = s->size;
915e5146
HPN
2358 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
2359 break;
2360
2361 case DT_RELASZ:
2362 /* The procedure linkage table relocs (DT_JMPREL) should
2363 not be included in the overall relocs (DT_RELA).
2364 Therefore, we override the DT_RELASZ entry here to
2365 make it not include the JMPREL relocs. Since the
2366 linker script arranges for .rela.plt to follow all
2367 other relocation sections, we don't have to worry
2368 about changing the DT_RELA entry. */
4ade44b7 2369 s = bfd_get_linker_section (dynobj, ".rela.plt");
915e5146 2370 if (s != NULL)
eea6121a 2371 dyn.d_un.d_val -= s->size;
915e5146
HPN
2372 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
2373 break;
2374 }
2375 }
2376
2377 /* Fill in the first entry in the procedure linkage table. */
eea6121a 2378 if (splt->size > 0)
915e5146 2379 {
bac23f82
HPN
2380 if (bfd_get_mach (output_bfd) == bfd_mach_cris_v32)
2381 {
0e1862bb 2382 if (bfd_link_pic (info))
bac23f82
HPN
2383 memcpy (splt->contents, elf_cris_pic_plt0_entry_v32,
2384 PLT_ENTRY_SIZE_V32);
2385 else
2386 {
2387 memcpy (splt->contents, elf_cris_plt0_entry_v32,
2388 PLT_ENTRY_SIZE_V32);
2389 bfd_put_32 (output_bfd,
2390 sgot->output_section->vma
2391 + sgot->output_offset + 4,
2392 splt->contents + 4);
2393
2394 elf_section_data (splt->output_section)->this_hdr.sh_entsize
2395 = PLT_ENTRY_SIZE_V32;
2396 }
2397 }
915e5146 2398 else
bac23f82 2399 {
0e1862bb 2400 if (bfd_link_pic (info))
bac23f82
HPN
2401 memcpy (splt->contents, elf_cris_pic_plt0_entry,
2402 PLT_ENTRY_SIZE);
2403 else
2404 {
2405 memcpy (splt->contents, elf_cris_plt0_entry,
2406 PLT_ENTRY_SIZE);
2407 bfd_put_32 (output_bfd,
2408 sgot->output_section->vma
2409 + sgot->output_offset + 4,
2410 splt->contents + 6);
2411 bfd_put_32 (output_bfd,
2412 sgot->output_section->vma
2413 + sgot->output_offset + 8,
2414 splt->contents + 14);
2415
2416 elf_section_data (splt->output_section)->this_hdr.sh_entsize
2417 = PLT_ENTRY_SIZE;
2418 }
915e5146
HPN
2419 }
2420 }
2421 }
2422
2423 /* Fill in the first three entries in the global offset table. */
eea6121a 2424 if (sgot->size > 0)
915e5146
HPN
2425 {
2426 if (sdyn == NULL)
2427 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents);
2428 else
2429 bfd_put_32 (output_bfd,
2430 sdyn->output_section->vma + sdyn->output_offset,
2431 sgot->contents);
2432 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 4);
2433 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 8);
2434 }
2435
2436 elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
2437
b34976b6 2438 return TRUE;
06c15ad7
HPN
2439}
2440\f
2441/* Return the section that should be marked against GC for a given
2442 relocation. */
2443
2444static asection *
07adf181
AM
2445cris_elf_gc_mark_hook (asection *sec,
2446 struct bfd_link_info *info,
2447 Elf_Internal_Rela *rel,
2448 struct elf_link_hash_entry *h,
2449 Elf_Internal_Sym *sym)
06c15ad7 2450{
100382c7 2451 enum elf_cris_reloc_type r_type = ELF32_R_TYPE (rel->r_info);
06c15ad7 2452 if (h != NULL)
100382c7 2453 switch (r_type)
07adf181
AM
2454 {
2455 case R_CRIS_GNU_VTINHERIT:
2456 case R_CRIS_GNU_VTENTRY:
2457 return NULL;
100382c7
HPN
2458
2459 default:
2460 break;
07adf181 2461 }
06c15ad7 2462
07adf181 2463 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
06c15ad7
HPN
2464}
2465
2466/* Update the got entry reference counts for the section being removed. */
2467
b34976b6 2468static bfd_boolean
07adf181
AM
2469cris_elf_gc_sweep_hook (bfd *abfd,
2470 struct bfd_link_info *info,
2471 asection *sec,
2472 const Elf_Internal_Rela *relocs)
06c15ad7 2473{
4dfe6ac6 2474 struct elf_cris_link_hash_table * htab;
915e5146
HPN
2475 Elf_Internal_Shdr *symtab_hdr;
2476 struct elf_link_hash_entry **sym_hashes;
2477 bfd_signed_vma *local_got_refcounts;
2478 const Elf_Internal_Rela *rel, *relend;
915e5146
HPN
2479 bfd *dynobj;
2480 asection *sgot;
2481 asection *srelgot;
2482
0e1862bb 2483 if (bfd_link_relocatable (info))
7dda2462
TG
2484 return TRUE;
2485
915e5146
HPN
2486 dynobj = elf_hash_table (info)->dynobj;
2487 if (dynobj == NULL)
b34976b6 2488 return TRUE;
915e5146 2489
4dfe6ac6
NC
2490 htab = elf_cris_hash_table (info);
2491 if (htab == NULL)
2492 return FALSE;
2493
babfd660
KH
2494 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
2495 sym_hashes = elf_sym_hashes (abfd);
2496 local_got_refcounts = elf_local_got_refcounts (abfd);
2497
3d4d4302
AM
2498 sgot = bfd_get_linker_section (dynobj, ".got");
2499 srelgot = bfd_get_linker_section (dynobj, ".rela.got");
915e5146
HPN
2500
2501 relend = relocs + sec->reloc_count;
2502 for (rel = relocs; rel < relend; rel++)
2503 {
babfd660 2504 unsigned long r_symndx;
3eb128b2 2505 struct elf_link_hash_entry *h = NULL;
100382c7
HPN
2506 bfd_signed_vma got_element_size = 4;
2507 bfd_signed_vma *specific_refcount = NULL;
2508 enum elf_cris_reloc_type r_type;
3eb128b2
AM
2509
2510 r_symndx = ELF32_R_SYM (rel->r_info);
2511 if (r_symndx >= symtab_hdr->sh_info)
2512 {
2513 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
2514 while (h->root.type == bfd_link_hash_indirect
2515 || h->root.type == bfd_link_hash_warning)
2516 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2517 }
babfd660 2518
100382c7
HPN
2519 r_type = ELF32_R_TYPE (rel->r_info);
2520 switch (r_type)
2521 {
2522 case R_CRIS_32_GOT:
2523 case R_CRIS_16_GOT:
2524 case R_CRIS_16_GOTPLT:
2525 case R_CRIS_32_GOTPLT:
2526 specific_refcount = h != NULL
2527 ? &((struct elf_cris_link_hash_entry *) h)->reg_got_refcount
2528 : &local_got_refcounts[LGOT_REG_NDX (r_symndx)];
2529 break;
2530
2531 case R_CRIS_32_GD:
2532 case R_CRIS_32_GOT_GD:
2533 case R_CRIS_16_GOT_GD:
2534 got_element_size = 8;
2535 specific_refcount = h != NULL
2536 ? &((struct elf_cris_link_hash_entry *) h)->dtp_refcount
2537 : &local_got_refcounts[LGOT_DTP_NDX (r_symndx)];
2538 break;
2539
75f500d7 2540 case R_CRIS_32_IE:
100382c7
HPN
2541 case R_CRIS_16_GOT_TPREL:
2542 case R_CRIS_32_GOT_TPREL:
2543 specific_refcount = h != NULL
2544 ? &((struct elf_cris_link_hash_entry *) h)->tprel_refcount
2545 : &local_got_refcounts[LGOT_TPREL_NDX (r_symndx)];
2546 break;
2547
2548 default:
2549 break;
2550 }
2551
2552 switch (r_type)
915e5146 2553 {
75f500d7 2554 case R_CRIS_32_IE:
100382c7
HPN
2555 case R_CRIS_32_GD:
2556 case R_CRIS_16_GOT_TPREL:
2557 case R_CRIS_32_GOT_TPREL:
2558 case R_CRIS_32_GOT_GD:
2559 case R_CRIS_16_GOT_GD:
915e5146
HPN
2560 case R_CRIS_16_GOT:
2561 case R_CRIS_32_GOT:
3eb128b2 2562 if (h != NULL)
915e5146 2563 {
100382c7
HPN
2564 /* If the counters are 0 when we got here, we've
2565 miscounted somehow somewhere, an internal error. */
2566 BFD_ASSERT (h->got.refcount > 0);
2567 --h->got.refcount;
2568
2569 BFD_ASSERT (*specific_refcount > 0);
2570 --*specific_refcount;
2571 if (*specific_refcount == 0)
915e5146 2572 {
100382c7
HPN
2573 /* We don't need the .got entry any more. */
2574 sgot->size -= got_element_size;
2575 srelgot->size -= sizeof (Elf32_External_Rela);
915e5146
HPN
2576 }
2577 break;
2578 }
2579
2580 local_got_reloc:
2581 if (local_got_refcounts != NULL)
2582 {
100382c7
HPN
2583 /* If the counters are 0 when we got here, we've
2584 miscounted somehow somewhere, an internal error. */
2585 BFD_ASSERT (local_got_refcounts[r_symndx] > 0);
2586 --local_got_refcounts[r_symndx];
2587
2588 BFD_ASSERT (*specific_refcount > 0);
2589 --*specific_refcount;
2590 if (*specific_refcount == 0)
915e5146 2591 {
100382c7
HPN
2592 /* We don't need the .got entry any more. */
2593 sgot->size -= got_element_size;
0e1862bb 2594 if (bfd_link_pic (info))
100382c7 2595 srelgot->size -= sizeof (Elf32_External_Rela);
915e5146
HPN
2596 }
2597 }
2598 break;
2599
2600 case R_CRIS_16_GOTPLT:
2601 case R_CRIS_32_GOTPLT:
2602 /* For local symbols, treat these like GOT relocs. */
3eb128b2 2603 if (h == NULL)
915e5146 2604 goto local_got_reloc;
970d488d
HPN
2605 else
2606 /* For global symbols, adjust the reloc-specific refcount. */
2607 elf_cris_hash_entry (h)->gotplt_refcount--;
e4a2175c 2608 /* Fall through. */
3eb128b2 2609
915e5146
HPN
2610 case R_CRIS_32_PLT_GOTREL:
2611 /* FIXME: We don't garbage-collect away the .got section. */
2612 if (local_got_refcounts != NULL)
2613 local_got_refcounts[-1]--;
2614 /* Fall through. */
3eb128b2 2615
970d488d
HPN
2616 case R_CRIS_8:
2617 case R_CRIS_16:
2618 case R_CRIS_32:
915e5146
HPN
2619 case R_CRIS_8_PCREL:
2620 case R_CRIS_16_PCREL:
2621 case R_CRIS_32_PCREL:
2622 case R_CRIS_32_PLT_PCREL:
970d488d 2623 /* Negate the increment we did in cris_elf_check_relocs. */
3eb128b2 2624 if (h != NULL)
915e5146 2625 {
0a4787a0
HPN
2626 if (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2627 && h->plt.refcount > 0)
915e5146
HPN
2628 --h->plt.refcount;
2629 }
2630 break;
2631
100382c7 2632 case R_CRIS_32_DTPREL:
6718f446
HPN
2633 /* This'd be a .dtpreld entry in e.g. debug info. */
2634 if ((sec->flags & SEC_ALLOC) == 0)
2635 break;
2636 /* Fall through. */
100382c7 2637 case R_CRIS_16_DTPREL:
4dfe6ac6
NC
2638 htab->dtpmod_refcount--;
2639 if (htab->dtpmod_refcount == 0)
2640 htab->next_gotplt_entry -= 8;
100382c7
HPN
2641 BFD_ASSERT (local_got_refcounts != NULL);
2642 local_got_refcounts[-1]--;
2643 break;
2644
915e5146
HPN
2645 default:
2646 break;
2647 }
2648 }
2649
b34976b6 2650 return TRUE;
06c15ad7
HPN
2651}
2652
5d5a918a
HPN
2653/* The elf_backend_plt_sym_val hook function. */
2654
2655static bfd_vma
51806b97
HPN
2656cris_elf_plt_sym_val (bfd_vma i ATTRIBUTE_UNUSED, const asection *plt,
2657 const arelent *rel)
5d5a918a
HPN
2658{
2659 bfd_size_type plt_entry_size;
51806b97
HPN
2660 bfd_size_type pltoffs;
2661 bfd *abfd = plt->owner;
5d5a918a 2662
51806b97
HPN
2663 /* Same for CRIS and CRIS v32; see elf_cris_(|pic_)plt_entry(|_v32)[]. */
2664 bfd_size_type plt_entry_got_offset = 2;
2665 bfd_size_type plt_sec_size;
2666 bfd_size_type got_vma_for_dyn;
2667 asection *got;
2668
2669 /* FIXME: the .got section should be readily available also when
2670 we're not linking. */
2671 if ((got = bfd_get_section_by_name (abfd, ".got")) == NULL)
2672 return (bfd_vma) -1;
2673
2674 plt_sec_size = bfd_section_size (plt->owner, plt);
5d5a918a 2675 plt_entry_size
51806b97 2676 = (bfd_get_mach (abfd) == bfd_mach_cris_v32
5d5a918a
HPN
2677 ? PLT_ENTRY_SIZE_V32 : PLT_ENTRY_SIZE);
2678
51806b97
HPN
2679 /* Data in PLT is GOT-relative for DYN, but absolute for EXE. */
2680 got_vma_for_dyn = (abfd->flags & EXEC_P) ? 0 : got->vma;
2681
2682 /* Because we can have merged GOT entries; a single .got entry for
2683 both GOT and the PLT part of the GOT (.got.plt), the index of the
2684 reloc in .rela.plt is not the same as the index in the PLT.
2685 Instead, we have to hunt down the GOT offset in the PLT that
2686 corresponds to that of this reloc. Unfortunately, we will only
2687 be called for the .rela.plt relocs, so we'll miss synthetic
2688 symbols for .plt entries with merged GOT entries. (FIXME:
2689 fixable by providing our own bfd_elf32_get_synthetic_symtab.
2690 Doesn't seem worthwile at time of this writing.) FIXME: we've
2691 gone from O(1) to O(N) (N number of PLT entries) for finding each
2692 PLT address. Shouldn't matter in practice though. */
2693
2694 for (pltoffs = plt_entry_size;
2695 pltoffs < plt_sec_size;
2696 pltoffs += plt_entry_size)
2697 {
2698 bfd_size_type got_offset;
2699 bfd_byte gotoffs_raw[4];
68ffbac6 2700
51806b97
HPN
2701 if (!bfd_get_section_contents (abfd, (asection *) plt, gotoffs_raw,
2702 pltoffs + plt_entry_got_offset,
2703 sizeof (gotoffs_raw)))
2704 return (bfd_vma) -1;
2705
2706 got_offset = bfd_get_32 (abfd, gotoffs_raw);
2707 if (got_offset + got_vma_for_dyn == rel->address)
2708 return plt->vma + pltoffs;
2709 }
2710
2711 /* While it's tempting to BFD_ASSERT that we shouldn't get here,
2712 that'd not be graceful behavior for invalid input. */
2713 return (bfd_vma) -1;
5d5a918a
HPN
2714}
2715
915e5146
HPN
2716/* Make sure we emit a GOT entry if the symbol was supposed to have a PLT
2717 entry but we found we will not create any. Called when we find we will
4d96d128
HPN
2718 not have any PLT for this symbol, by for example
2719 elf_cris_adjust_dynamic_symbol when we're doing a proper dynamic link,
2720 or elf_cris_size_dynamic_sections if no dynamic sections will be
2721 created (we're only linking static objects). */
915e5146 2722
b34976b6 2723static bfd_boolean
2c3fc389 2724elf_cris_adjust_gotplt_to_got (struct elf_cris_link_hash_entry *h, void * p)
915e5146
HPN
2725{
2726 struct bfd_link_info *info = (struct bfd_link_info *) p;
915e5146 2727
970d488d
HPN
2728 /* A GOTPLT reloc, when activated, is supposed to be included into
2729 the PLT refcount. */
2730 BFD_ASSERT (h->gotplt_refcount == 0
2731 || h->gotplt_refcount <= h->root.plt.refcount);
2732
915e5146
HPN
2733 /* If nobody wanted a GOTPLT with this symbol, we're done. */
2734 if (h->gotplt_refcount <= 0)
b34976b6 2735 return TRUE;
915e5146 2736
100382c7 2737 if (h->reg_got_refcount > 0)
915e5146 2738 {
100382c7
HPN
2739 /* There's a GOT entry for this symbol. Just adjust the refcounts.
2740 Probably not necessary at this stage, but keeping them accurate
915e5146
HPN
2741 helps avoiding surprises later. */
2742 h->root.got.refcount += h->gotplt_refcount;
100382c7 2743 h->reg_got_refcount += h->gotplt_refcount;
5e0f5ae3 2744 h->gotplt_refcount = 0;
915e5146
HPN
2745 }
2746 else
2747 {
4d96d128 2748 /* No GOT entry for this symbol. We need to create one. */
8d1d654f
AM
2749 bfd *dynobj = elf_hash_table (info)->dynobj;
2750 asection *sgot;
2751 asection *srelgot;
2752
2753 BFD_ASSERT (dynobj != NULL);
3d4d4302
AM
2754 sgot = bfd_get_linker_section (dynobj, ".got");
2755 srelgot = bfd_get_linker_section (dynobj, ".rela.got");
915e5146 2756
100382c7
HPN
2757 /* Put accurate refcounts there. */
2758 h->root.got.refcount += h->gotplt_refcount;
2759 h->reg_got_refcount = h->gotplt_refcount;
915e5146 2760
5e0f5ae3 2761 h->gotplt_refcount = 0;
915e5146 2762
44aa49bb
HPN
2763 /* We always have a .got and a .rela.got section if there were
2764 GOTPLT relocs in input. */
2765 BFD_ASSERT (sgot != NULL && srelgot != NULL);
915e5146
HPN
2766
2767 /* Allocate space in the .got section. */
eea6121a 2768 sgot->size += 4;
915e5146
HPN
2769
2770 /* Allocate relocation space. */
eea6121a 2771 srelgot->size += sizeof (Elf32_External_Rela);
915e5146
HPN
2772 }
2773
b34976b6 2774 return TRUE;
915e5146
HPN
2775}
2776
2777/* Try to fold PLT entries with GOT entries. There are two cases when we
2778 want to do this:
2779
2780 - When all PLT references are GOTPLT references, and there are GOT
e4a2175c
HPN
2781 references, and this is not the executable. We don't have to
2782 generate a PLT at all.
915e5146 2783
e4a2175c
HPN
2784 - When there are both (ordinary) PLT references and GOT references,
2785 and this isn't the executable.
915e5146 2786 We want to make the PLT reference use the ordinary GOT entry rather
e4a2175c
HPN
2787 than R_CRIS_JUMP_SLOT, a run-time dynamically resolved GOTPLT entry,
2788 since the GOT entry will have to be resolved at startup anyway.
915e5146
HPN
2789
2790 Though the latter case is handled when room for the PLT is allocated,
2791 not here.
2792
e4a2175c
HPN
2793 By folding into the GOT, we may need a round-trip to a PLT in the
2794 executable for calls, a loss in performance. Still, losing a
2795 reloc is a win in size and at least in start-up time.
2796
915e5146
HPN
2797 Note that this function is called before symbols are forced local by
2798 version scripts. The differing cases are handled by
2799 elf_cris_hide_symbol. */
2800
b34976b6 2801static bfd_boolean
2c3fc389 2802elf_cris_try_fold_plt_to_got (struct elf_cris_link_hash_entry *h, void * p)
915e5146
HPN
2803{
2804 struct bfd_link_info *info = (struct bfd_link_info *) p;
2805
2806 /* If there are no GOT references for this symbol, we can't fold any
2807 other reference so there's nothing to do. Likewise if there are no
2808 PLT references; GOTPLT references included. */
2809 if (h->root.got.refcount <= 0 || h->root.plt.refcount <= 0)
b34976b6 2810 return TRUE;
915e5146
HPN
2811
2812 /* GOTPLT relocs are supposed to be included into the PLT refcount. */
2813 BFD_ASSERT (h->gotplt_refcount <= h->root.plt.refcount);
2814
2815 if (h->gotplt_refcount == h->root.plt.refcount)
2816 {
4d96d128 2817 /* The only PLT references are GOTPLT references, and there are GOT
915e5146
HPN
2818 references. Convert PLT to GOT references. */
2819 if (! elf_cris_adjust_gotplt_to_got (h, info))
b34976b6 2820 return FALSE;
915e5146
HPN
2821
2822 /* Clear the PLT references, so no PLT will be created. */
2823 h->root.plt.offset = (bfd_vma) -1;
2824 }
2825
b34976b6 2826 return TRUE;
915e5146
HPN
2827}
2828
2829/* Our own version of hide_symbol, so that we can adjust a GOTPLT reloc
2830 to use a GOT entry (and create one) rather than requiring a GOTPLT
2831 entry. */
2832
2833static void
2c3fc389
NC
2834elf_cris_hide_symbol (struct bfd_link_info *info,
2835 struct elf_link_hash_entry *h,
2836 bfd_boolean force_local)
915e5146
HPN
2837{
2838 elf_cris_adjust_gotplt_to_got ((struct elf_cris_link_hash_entry *) h, info);
2839
e5094212 2840 _bfd_elf_link_hash_hide_symbol (info, h, force_local);
915e5146
HPN
2841}
2842
2843/* Adjust a symbol defined by a dynamic object and referenced by a
2844 regular object. The current definition is in some section of the
2845 dynamic object, but we're not including those sections. We have to
2846 change the definition to something the rest of the link can
2847 understand. */
2848
b34976b6 2849static bfd_boolean
4dfe6ac6
NC
2850elf_cris_adjust_dynamic_symbol (struct bfd_link_info *info,
2851 struct elf_link_hash_entry *h)
915e5146 2852{
4dfe6ac6 2853 struct elf_cris_link_hash_table * htab;
915e5146
HPN
2854 bfd *dynobj;
2855 asection *s;
bac23f82 2856 bfd_size_type plt_entry_size;
915e5146 2857
4dfe6ac6
NC
2858 htab = elf_cris_hash_table (info);
2859 if (htab == NULL)
2860 return FALSE;
2861
915e5146
HPN
2862 dynobj = elf_hash_table (info)->dynobj;
2863
2864 /* Make sure we know what is going on here. */
2865 BFD_ASSERT (dynobj != NULL
f5385ebf 2866 && (h->needs_plt
f6e332e6 2867 || h->u.weakdef != NULL
f5385ebf
AM
2868 || (h->def_dynamic
2869 && h->ref_regular
2870 && !h->def_regular)));
915e5146 2871
bac23f82
HPN
2872 plt_entry_size
2873 = (bfd_get_mach (dynobj) == bfd_mach_cris_v32
2874 ? PLT_ENTRY_SIZE_V32 : PLT_ENTRY_SIZE);
2875
915e5146
HPN
2876 /* If this is a function, put it in the procedure linkage table. We
2877 will fill in the contents of the procedure linkage table later,
2878 when we know the address of the .got section. */
2879 if (h->type == STT_FUNC
f5385ebf 2880 || h->needs_plt)
915e5146 2881 {
6849c52f
HPN
2882 /* If we link a program (not a DSO), we'll get rid of unnecessary
2883 PLT entries; we point to the actual symbols -- even for pic
2884 relocs, because a program built with -fpic should have the same
2885 result as one built without -fpic, specifically considering weak
2886 symbols.
2887 FIXME: m68k and i386 differ here, for unclear reasons. */
0e1862bb 2888 if (! bfd_link_pic (info)
f5385ebf 2889 && !h->def_dynamic)
915e5146
HPN
2890 {
2891 /* This case can occur if we saw a PLT reloc in an input file,
6849c52f
HPN
2892 but the symbol was not defined by a dynamic object. In such
2893 a case, we don't actually need to build a procedure linkage
2894 table, and we can just do an absolute or PC reloc instead, or
4d96d128 2895 change a .got.plt index to a .got index for GOTPLT relocs. */
f5385ebf
AM
2896 BFD_ASSERT (h->needs_plt);
2897 h->needs_plt = 0;
915e5146 2898 h->plt.offset = (bfd_vma) -1;
915e5146
HPN
2899 return
2900 elf_cris_adjust_gotplt_to_got ((struct
2901 elf_cris_link_hash_entry *) h,
2902 info);
2903 }
2904
e4a2175c
HPN
2905 /* If we had a R_CRIS_GLOB_DAT that didn't have to point to a PLT;
2906 where a pointer-equivalent symbol was unimportant (i.e. more
2907 like R_CRIS_JUMP_SLOT after symbol evaluation) we could get rid
2908 of the PLT. We can't for the executable, because the GOT
2909 entries will point to the PLT there (and be constant). */
0e1862bb 2910 if (bfd_link_pic (info)
e4a2175c
HPN
2911 && !elf_cris_try_fold_plt_to_got ((struct elf_cris_link_hash_entry*)
2912 h, info))
b34976b6 2913 return FALSE;
915e5146
HPN
2914
2915 /* GC or folding may have rendered this entry unused. */
2916 if (h->plt.refcount <= 0)
2917 {
f5385ebf 2918 h->needs_plt = 0;
915e5146 2919 h->plt.offset = (bfd_vma) -1;
b34976b6 2920 return TRUE;
915e5146
HPN
2921 }
2922
2923 /* Make sure this symbol is output as a dynamic symbol. */
2924 if (h->dynindx == -1)
2925 {
c152c796 2926 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 2927 return FALSE;
915e5146
HPN
2928 }
2929
3d4d4302 2930 s = bfd_get_linker_section (dynobj, ".plt");
915e5146
HPN
2931 BFD_ASSERT (s != NULL);
2932
2933 /* If this is the first .plt entry, make room for the special
2934 first entry. */
eea6121a 2935 if (s->size == 0)
bac23f82 2936 s->size += plt_entry_size;
915e5146
HPN
2937
2938 /* If this symbol is not defined in a regular file, and we are
2939 not generating a shared library, then set the symbol to this
6849c52f 2940 location in the .plt. */
0e1862bb 2941 if (!bfd_link_pic (info)
f5385ebf 2942 && !h->def_regular)
915e5146
HPN
2943 {
2944 h->root.u.def.section = s;
eea6121a 2945 h->root.u.def.value = s->size;
915e5146
HPN
2946 }
2947
4d96d128
HPN
2948 /* If there's already a GOT entry, use that, not a .got.plt. A
2949 GOT field still has a reference count when we get here; it's
e4a2175c
HPN
2950 not yet changed to an offset. We can't do this for an
2951 executable, because then the reloc associated with the PLT
2952 would get a non-PLT reloc pointing to the PLT. FIXME: Move
2953 this to elf_cris_try_fold_plt_to_got. */
0e1862bb 2954 if (bfd_link_pic (info) && h->got.refcount > 0)
915e5146
HPN
2955 {
2956 h->got.refcount += h->plt.refcount;
2957
2958 /* Mark the PLT offset to use the GOT entry by setting the low
2959 bit in the plt offset; it is always a multiple of
bac23f82
HPN
2960 plt_entry_size (which is at least a multiple of 2). */
2961 BFD_ASSERT ((s->size % plt_entry_size) == 0);
915e5146
HPN
2962
2963 /* Change the PLT refcount to an offset. */
eea6121a 2964 h->plt.offset = s->size;
915e5146
HPN
2965
2966 /* By not setting gotplt_offset (i.e. it remains at 0), we signal
2967 that the got entry should be used instead. */
2968 BFD_ASSERT (((struct elf_cris_link_hash_entry *)
2969 h)->gotplt_offset == 0);
2970
2971 /* Make room for this entry. */
bac23f82 2972 s->size += plt_entry_size;
915e5146 2973
b34976b6 2974 return TRUE;
915e5146
HPN
2975 }
2976
2977 /* No GOT reference for this symbol; prepare for an ordinary PLT. */
eea6121a 2978 h->plt.offset = s->size;
915e5146
HPN
2979
2980 /* Make room for this entry. */
bac23f82 2981 s->size += plt_entry_size;
915e5146
HPN
2982
2983 /* We also need to make an entry in the .got.plt section, which
2984 will be placed in the .got section by the linker script. */
2985 ((struct elf_cris_link_hash_entry *) h)->gotplt_offset
4dfe6ac6
NC
2986 = htab->next_gotplt_entry;
2987 htab->next_gotplt_entry += 4;
915e5146 2988
3d4d4302 2989 s = bfd_get_linker_section (dynobj, ".got.plt");
915e5146 2990 BFD_ASSERT (s != NULL);
eea6121a 2991 s->size += 4;
915e5146
HPN
2992
2993 /* We also need to make an entry in the .rela.plt section. */
2994
3d4d4302 2995 s = bfd_get_linker_section (dynobj, ".rela.plt");
915e5146 2996 BFD_ASSERT (s != NULL);
eea6121a 2997 s->size += sizeof (Elf32_External_Rela);
915e5146 2998
b34976b6 2999 return TRUE;
915e5146
HPN
3000 }
3001
3002 /* Reinitialize the plt offset now that it is not used as a reference
3003 count any more. */
3004 h->plt.offset = (bfd_vma) -1;
3005
3006 /* If this is a weak symbol, and there is a real definition, the
3007 processor independent code will have arranged for us to see the
3008 real definition first, and we can just use the same value. */
f6e332e6 3009 if (h->u.weakdef != NULL)
915e5146 3010 {
f6e332e6
AM
3011 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
3012 || h->u.weakdef->root.type == bfd_link_hash_defweak);
3013 h->root.u.def.section = h->u.weakdef->root.u.def.section;
3014 h->root.u.def.value = h->u.weakdef->root.u.def.value;
b34976b6 3015 return TRUE;
915e5146
HPN
3016 }
3017
3018 /* This is a reference to a symbol defined by a dynamic object which
3019 is not a function. */
3020
3021 /* If we are creating a shared library, we must presume that the
3022 only references to the symbol are via the global offset table.
3023 For such cases we need not do anything here; the relocations will
3024 be handled correctly by relocate_section. */
0e1862bb 3025 if (bfd_link_pic (info))
b34976b6 3026 return TRUE;
915e5146
HPN
3027
3028 /* If there are no references to this symbol that do not use the
3029 GOT, we don't need to generate a copy reloc. */
f5385ebf 3030 if (!h->non_got_ref)
b34976b6 3031 return TRUE;
915e5146
HPN
3032
3033 /* We must allocate the symbol in our .dynbss section, which will
3034 become part of the .bss section of the executable. There will be
3035 an entry for this symbol in the .dynsym section. The dynamic
3036 object will contain position independent code, so all references
3037 from the dynamic object to this symbol will go through the global
3038 offset table. The dynamic linker will use the .dynsym entry to
3039 determine the address it must put in the global offset table, so
3040 both the dynamic object and the regular object will refer to the
3041 same memory location for the variable. */
3042
3d4d4302 3043 s = bfd_get_linker_section (dynobj, ".dynbss");
915e5146
HPN
3044 BFD_ASSERT (s != NULL);
3045
3046 /* We must generate a R_CRIS_COPY reloc to tell the dynamic linker to
3047 copy the initial value out of the dynamic object and into the
3048 runtime process image. We need to remember the offset into the
3049 .rela.bss section we are going to use. */
1d7e9d18 3050 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
915e5146
HPN
3051 {
3052 asection *srel;
3053
3d4d4302 3054 srel = bfd_get_linker_section (dynobj, ".rela.bss");
915e5146 3055 BFD_ASSERT (srel != NULL);
eea6121a 3056 srel->size += sizeof (Elf32_External_Rela);
f5385ebf 3057 h->needs_copy = 1;
915e5146
HPN
3058 }
3059
6cabe1ea 3060 return _bfd_elf_adjust_dynamic_copy (info, h, s);
915e5146
HPN
3061}
3062
237bc7f0
HPN
3063/* Adjust our "subclass" elements for an indirect symbol. */
3064
3065static void
3066elf_cris_copy_indirect_symbol (struct bfd_link_info *info,
3067 struct elf_link_hash_entry *dir,
3068 struct elf_link_hash_entry *ind)
3069{
3070 struct elf_cris_link_hash_entry *edir, *eind;
3071
3072 edir = (struct elf_cris_link_hash_entry *) dir;
3073 eind = (struct elf_cris_link_hash_entry *) ind;
3074
867ea5fd
HPN
3075 /* Only indirect symbols are replaced; we're not interested in
3076 updating any of EIND's fields for other symbols. */
3077 if (eind->root.root.type != bfd_link_hash_indirect)
451ffe63
HPN
3078 {
3079 /* Still, we need to copy flags for e.g. weak definitions. */
3080 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
3081 return;
3082 }
867ea5fd 3083
237bc7f0
HPN
3084 BFD_ASSERT (edir->gotplt_offset == 0 || eind->gotplt_offset == 0);
3085
3086#define XMOVOPZ(F, OP, Z) edir->F OP eind->F; eind->F = Z
3087#define XMOVE(F) XMOVOPZ (F, +=, 0)
bfbff9eb
HPN
3088 if (eind->pcrel_relocs_copied != NULL)
3089 {
3090 if (edir->pcrel_relocs_copied != NULL)
3091 {
3092 struct elf_cris_pcrel_relocs_copied **pp;
3093 struct elf_cris_pcrel_relocs_copied *p;
3094
3095 /* Add reloc counts against the indirect sym to the direct sym
3096 list. Merge any entries against the same section. */
3097 for (pp = &eind->pcrel_relocs_copied; *pp != NULL;)
3098 {
3099 struct elf_cris_pcrel_relocs_copied *q;
3100 p = *pp;
3101 for (q = edir->pcrel_relocs_copied; q != NULL; q = q->next)
3102 if (q->section == p->section)
3103 {
3104 q->count += p->count;
3105 *pp = p->next;
3106 break;
3107 }
3108 if (q == NULL)
3109 pp = &p->next;
3110 }
3111 *pp = edir->pcrel_relocs_copied;
3112 }
3113 XMOVOPZ (pcrel_relocs_copied, =, NULL);
3114 }
237bc7f0
HPN
3115 XMOVE (gotplt_refcount);
3116 XMOVE (gotplt_offset);
3117 XMOVE (reg_got_refcount);
3118 XMOVE (tprel_refcount);
3119 XMOVE (dtp_refcount);
3120#undef XMOVE
3121#undef XMOVOPZ
3122
3123 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
3124}
3125
915e5146 3126/* Look through the relocs for a section during the first phase. */
a7c10850 3127
b34976b6 3128static bfd_boolean
4dfe6ac6
NC
3129cris_elf_check_relocs (bfd *abfd,
3130 struct bfd_link_info *info,
3131 asection *sec,
3132 const Elf_Internal_Rela *relocs)
06c15ad7 3133{
4dfe6ac6 3134 struct elf_cris_link_hash_table * htab;
915e5146 3135 bfd *dynobj;
06c15ad7 3136 Elf_Internal_Shdr *symtab_hdr;
5582a088 3137 struct elf_link_hash_entry **sym_hashes;
915e5146 3138 bfd_signed_vma *local_got_refcounts;
06c15ad7
HPN
3139 const Elf_Internal_Rela *rel;
3140 const Elf_Internal_Rela *rel_end;
915e5146
HPN
3141 asection *sgot;
3142 asection *srelgot;
3143 asection *sreloc;
a7c10850 3144
0e1862bb 3145 if (bfd_link_relocatable (info))
b34976b6 3146 return TRUE;
a7c10850 3147
4dfe6ac6
NC
3148 htab = elf_cris_hash_table (info);
3149 if (htab == NULL)
3150 return FALSE;
3151
915e5146 3152 dynobj = elf_hash_table (info)->dynobj;
06c15ad7
HPN
3153 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
3154 sym_hashes = elf_sym_hashes (abfd);
915e5146
HPN
3155 local_got_refcounts = elf_local_got_refcounts (abfd);
3156
3157 sgot = NULL;
3158 srelgot = NULL;
3159 sreloc = NULL;
3160
06c15ad7
HPN
3161 rel_end = relocs + sec->reloc_count;
3162 for (rel = relocs; rel < rel_end; rel++)
3163 {
3164 struct elf_link_hash_entry *h;
3165 unsigned long r_symndx;
915e5146 3166 enum elf_cris_reloc_type r_type;
100382c7
HPN
3167 bfd_signed_vma got_element_size = 4;
3168 unsigned long r_symndx_lgot = INT_MAX;
a7c10850 3169
06c15ad7
HPN
3170 r_symndx = ELF32_R_SYM (rel->r_info);
3171 if (r_symndx < symtab_hdr->sh_info)
100382c7
HPN
3172 {
3173 h = NULL;
3174 r_symndx_lgot = LGOT_REG_NDX (r_symndx);
3175 }
06c15ad7 3176 else
973a3492
L
3177 {
3178 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
3179 while (h->root.type == bfd_link_hash_indirect
3180 || h->root.type == bfd_link_hash_warning)
3181 h = (struct elf_link_hash_entry *) h->root.u.i.link;
81fbe831
AM
3182
3183 /* PR15323, ref flags aren't set for references in the same
3184 object. */
3185 h->root.non_ir_ref = 1;
973a3492 3186 }
a7c10850 3187
915e5146
HPN
3188 r_type = ELF32_R_TYPE (rel->r_info);
3189
3190 /* Some relocs require linker-created sections; we need to hang them
3191 on the first input bfd we found that contained dynamic relocs. */
3192 switch (r_type)
3193 {
100382c7 3194 case R_CRIS_32_DTPREL:
6718f446
HPN
3195 if ((sec->flags & SEC_ALLOC) == 0)
3196 /* This'd be a .dtpreld entry in e.g. debug info. We have
3197 several different switch statements below, but none of
3198 that is needed; we need no preparations for resolving
3199 R_CRIS_32_DTPREL into a non-allocated section (debug
3200 info), so let's just move on to the next
3201 relocation. */
3202 continue;
3203 /* Fall through. */
3204 case R_CRIS_16_DTPREL:
100382c7
HPN
3205 /* The first .got.plt entry is right after the R_CRIS_DTPMOD
3206 entry at index 3. */
4dfe6ac6
NC
3207 if (htab->dtpmod_refcount == 0)
3208 htab->next_gotplt_entry += 8;
3209
3210 htab->dtpmod_refcount++;
100382c7
HPN
3211 /* Fall through. */
3212
75f500d7 3213 case R_CRIS_32_IE:
100382c7
HPN
3214 case R_CRIS_32_GD:
3215 case R_CRIS_16_GOT_GD:
3216 case R_CRIS_32_GOT_GD:
3217 case R_CRIS_32_GOT_TPREL:
3218 case R_CRIS_16_GOT_TPREL:
915e5146
HPN
3219 case R_CRIS_16_GOT:
3220 case R_CRIS_32_GOT:
3221 case R_CRIS_32_GOTREL:
3222 case R_CRIS_32_PLT_GOTREL:
3223 case R_CRIS_32_PLT_PCREL:
3224 case R_CRIS_16_GOTPLT:
3225 case R_CRIS_32_GOTPLT:
3226 if (dynobj == NULL)
3227 {
3228 elf_hash_table (info)->dynobj = dynobj = abfd;
3229
bac23f82
HPN
3230 /* We could handle this if we can get a handle on the
3231 output bfd in elf_cris_adjust_dynamic_symbol. Failing
3232 that, we must insist on dynobj being a specific mach. */
3233 if (bfd_get_mach (dynobj) == bfd_mach_cris_v10_v32)
3234 {
3235 (*_bfd_error_handler)
3236 (_("%B, section %A:\n v10/v32 compatible object %s"
3237 " must not contain a PIC relocation"),
3238 abfd, sec);
3239 return FALSE;
3240 }
6dd38d79 3241 }
bac23f82 3242
6dd38d79
HPN
3243 if (sgot == NULL)
3244 {
3245 /* We may have a dynobj but no .got section, if machine-
3246 independent parts of the linker found a reason to create
3247 a dynobj. We want to create the .got section now, so we
3248 can assume it's always present whenever there's a dynobj.
3249 It's ok to call this function more than once. */
915e5146 3250 if (!_bfd_elf_create_got_section (dynobj, info))
b34976b6 3251 return FALSE;
100382c7 3252
6dd38d79
HPN
3253 sgot = bfd_get_linker_section (dynobj, ".got");
3254 }
100382c7
HPN
3255
3256 if (local_got_refcounts == NULL)
3257 {
3258 bfd_size_type amt;
3259
3260 /* We use index local_got_refcounts[-1] to count all
3261 GOT-relative relocations that do not have explicit
3262 GOT entries. */
3263 amt = LGOT_ALLOC_NELTS_FOR (symtab_hdr->sh_info) + 1;
3264 amt *= sizeof (bfd_signed_vma);
3265 local_got_refcounts = ((bfd_signed_vma *) bfd_zalloc (abfd, amt));
3266 if (local_got_refcounts == NULL)
3267 return FALSE;
3268
3269 local_got_refcounts++;
3270 elf_local_got_refcounts (abfd) = local_got_refcounts;
3271 }
915e5146
HPN
3272 break;
3273
3274 default:
3275 break;
3276 }
3277
3278 /* Some relocs require a global offset table (but perhaps not a
3279 specific GOT entry). */
4d96d128 3280 switch (r_type)
915e5146 3281 {
100382c7
HPN
3282 case R_CRIS_16_DTPREL:
3283 case R_CRIS_32_DTPREL:
3284 /* Not requesting .got.rela for an executable: the contents
3285 of the first entry is constant there. For a shared
3286 library, we need .got.rela for the R_CRIS_DTPMOD
3287 relocation at index 3. */
0e1862bb 3288 if (!bfd_link_pic (info))
100382c7
HPN
3289 break;
3290 /* Fall through. */
3291
75f500d7 3292 case R_CRIS_32_IE:
100382c7
HPN
3293 case R_CRIS_32_GD:
3294 case R_CRIS_16_GOT_GD:
3295 case R_CRIS_32_GOT_GD:
3296 case R_CRIS_32_GOT_TPREL:
3297 case R_CRIS_16_GOT_TPREL:
3298 /* Fall through. */
3299
44aa49bb
HPN
3300 /* For R_CRIS_16_GOTPLT and R_CRIS_32_GOTPLT, we need a GOT
3301 entry only for local symbols. Unfortunately, we don't know
3302 until later on if there's a version script that forces the
3303 symbol local. We must have the .rela.got section in place
3304 before we know if the symbol looks global now, so we need
3305 to treat the reloc just like for R_CRIS_16_GOT and
3306 R_CRIS_32_GOT. */
3307 case R_CRIS_16_GOTPLT:
3308 case R_CRIS_32_GOTPLT:
915e5146
HPN
3309 case R_CRIS_16_GOT:
3310 case R_CRIS_32_GOT:
44aa49bb 3311 if (srelgot == NULL
0e1862bb 3312 && (h != NULL || bfd_link_pic (info)))
44aa49bb 3313 {
3d4d4302 3314 srelgot = bfd_get_linker_section (dynobj, ".rela.got");
44aa49bb
HPN
3315 if (srelgot == NULL)
3316 {
3d4d4302
AM
3317 flagword flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS
3318 | SEC_IN_MEMORY | SEC_LINKER_CREATED
3319 | SEC_READONLY);
3320 srelgot = bfd_make_section_anyway_with_flags (dynobj,
3321 ".rela.got",
3322 flags);
44aa49bb 3323 if (srelgot == NULL
44aa49bb 3324 || !bfd_set_section_alignment (dynobj, srelgot, 2))
b34976b6 3325 return FALSE;
44aa49bb
HPN
3326 }
3327 }
100382c7 3328 break;
44aa49bb 3329
100382c7
HPN
3330 default:
3331 break;
3332 }
915e5146 3333
100382c7
HPN
3334 /* Warn and error for invalid input. */
3335 switch (r_type)
3336 {
75f500d7 3337 case R_CRIS_32_IE:
100382c7
HPN
3338 case R_CRIS_32_TPREL:
3339 case R_CRIS_16_TPREL:
3340 case R_CRIS_32_GD:
0e1862bb 3341 if (bfd_link_pic (info))
915e5146 3342 {
100382c7
HPN
3343 (*_bfd_error_handler)
3344 (_("%B, section %A:\n relocation %s not valid"
3345 " in a shared object;"
3346 " typically an option mixup, recompile with -fPIC"),
3347 abfd,
3348 sec,
3349 cris_elf_howto_table[r_type].name);
3350 /* Don't return FALSE here; we want messages for all of
3351 these and the error behavior is ungraceful
3352 anyway. */
3353 }
3354 default:
3355 break;
3356 }
915e5146 3357
100382c7
HPN
3358 switch (r_type)
3359 {
3360 case R_CRIS_32_GD:
3361 case R_CRIS_16_GOT_GD:
3362 case R_CRIS_32_GOT_GD:
3363 /* These are requests for tls_index entries, run-time R_CRIS_DTP. */
3364 got_element_size = 8;
3365 r_symndx_lgot = LGOT_DTP_NDX (r_symndx);
3366 break;
915e5146 3367
100382c7
HPN
3368 case R_CRIS_16_DTPREL:
3369 case R_CRIS_32_DTPREL:
3370 /* These two just request for the constant-index
3371 module-local tls_index-sized GOT entry, which we add
3372 elsewhere. */
915e5146
HPN
3373 break;
3374
75f500d7 3375 case R_CRIS_32_IE:
100382c7
HPN
3376 case R_CRIS_32_GOT_TPREL:
3377 case R_CRIS_16_GOT_TPREL:
3378 r_symndx_lgot = LGOT_TPREL_NDX (r_symndx);
3379
75f500d7 3380 /* Those relocs also require that a DSO is of type
100382c7
HPN
3381 Initial Exec. Like other targets, we don't reset this
3382 flag even if the relocs are GC:ed away. */
0e1862bb 3383 if (bfd_link_pic (info))
100382c7
HPN
3384 info->flags |= DF_STATIC_TLS;
3385 break;
3386
3387 /* Let's list the other assembler-generated TLS-relocs too,
3388 just to show that they're not forgotten. */
3389 case R_CRIS_16_TPREL:
3390 case R_CRIS_32_TPREL:
915e5146
HPN
3391 default:
3392 break;
3393 }
3394
4d96d128 3395 switch (r_type)
06c15ad7 3396 {
915e5146
HPN
3397 case R_CRIS_16_GOTPLT:
3398 case R_CRIS_32_GOTPLT:
3399 /* Mark that we need a GOT entry if the PLT entry (and its GOT
3400 entry) is eliminated. We can only do this for a non-local
3401 symbol. */
3402 if (h != NULL)
3403 {
100382c7 3404 elf_cris_hash_entry (h)->gotplt_refcount++;
915e5146
HPN
3405 goto handle_gotplt_reloc;
3406 }
3407 /* If h is NULL then this is a local symbol, and we must make a
3408 GOT entry for it, so handle it like a GOT reloc. */
3409 /* Fall through. */
3410
75f500d7 3411 case R_CRIS_32_IE:
100382c7
HPN
3412 case R_CRIS_32_GD:
3413 case R_CRIS_16_GOT_GD:
3414 case R_CRIS_32_GOT_GD:
3415 case R_CRIS_32_GOT_TPREL:
3416 case R_CRIS_16_GOT_TPREL:
915e5146
HPN
3417 case R_CRIS_16_GOT:
3418 case R_CRIS_32_GOT:
3419 /* This symbol requires a global offset table entry. */
915e5146
HPN
3420 if (h != NULL)
3421 {
51b64d56 3422 if (h->got.refcount == 0)
915e5146 3423 {
915e5146
HPN
3424 /* Make sure this symbol is output as a dynamic symbol. */
3425 if (h->dynindx == -1)
3426 {
c152c796 3427 if (!bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 3428 return FALSE;
915e5146 3429 }
915e5146 3430 }
100382c7
HPN
3431
3432 /* Update the sum of reloc counts for this symbol. */
51b64d56 3433 h->got.refcount++;
100382c7
HPN
3434
3435 switch (r_type)
3436 {
3437 case R_CRIS_16_GOT:
3438 case R_CRIS_32_GOT:
3439 if (elf_cris_hash_entry (h)->reg_got_refcount == 0)
3440 {
3441 /* Allocate space in the .got section. */
3442 sgot->size += got_element_size;
3443 /* Allocate relocation space. */
3444 srelgot->size += sizeof (Elf32_External_Rela);
3445 }
3446 elf_cris_hash_entry (h)->reg_got_refcount++;
3447 break;
3448
3449 case R_CRIS_32_GD:
3450 case R_CRIS_16_GOT_GD:
3451 case R_CRIS_32_GOT_GD:
3452 if (elf_cris_hash_entry (h)->dtp_refcount == 0)
3453 {
3454 /* Allocate space in the .got section. */
3455 sgot->size += got_element_size;
3456 /* Allocate relocation space. */
3457 srelgot->size += sizeof (Elf32_External_Rela);
3458 }
3459 elf_cris_hash_entry (h)->dtp_refcount++;
3460 break;
3461
75f500d7 3462 case R_CRIS_32_IE:
100382c7
HPN
3463 case R_CRIS_32_GOT_TPREL:
3464 case R_CRIS_16_GOT_TPREL:
3465 if (elf_cris_hash_entry (h)->tprel_refcount == 0)
3466 {
3467 /* Allocate space in the .got section. */
3468 sgot->size += got_element_size;
3469 /* Allocate relocation space. */
3470 srelgot->size += sizeof (Elf32_External_Rela);
3471 }
3472 elf_cris_hash_entry (h)->tprel_refcount++;
3473 break;
3474
3475 default:
3476 BFD_FAIL ();
3477 break;
3478 }
915e5146
HPN
3479 }
3480 else
3481 {
3482 /* This is a global offset table entry for a local symbol. */
100382c7 3483 if (local_got_refcounts[r_symndx_lgot] == 0)
915e5146 3484 {
100382c7 3485 sgot->size += got_element_size;
0e1862bb 3486 if (bfd_link_pic (info))
915e5146 3487 {
100382c7
HPN
3488 /* If we are generating a shared object, we need
3489 to output a R_CRIS_RELATIVE reloc so that the
3490 dynamic linker can adjust this GOT entry.
3491 Similarly for non-regular got entries. */
eea6121a 3492 srelgot->size += sizeof (Elf32_External_Rela);
915e5146
HPN
3493 }
3494 }
100382c7
HPN
3495 /* Update the reloc-specific count. */
3496 local_got_refcounts[r_symndx_lgot]++;
3497
3498 /* This one is the sum of all the others. */
51b64d56 3499 local_got_refcounts[r_symndx]++;
915e5146
HPN
3500 }
3501 break;
3502
100382c7
HPN
3503 case R_CRIS_16_DTPREL:
3504 case R_CRIS_32_DTPREL:
915e5146
HPN
3505 case R_CRIS_32_GOTREL:
3506 /* This reference requires a global offset table.
3507 FIXME: The actual refcount isn't used currently; the .got
3508 section can't be removed if there were any references in the
3509 input. */
3510 local_got_refcounts[-1]++;
3511 break;
3512
3513 handle_gotplt_reloc:
3514
3515 case R_CRIS_32_PLT_GOTREL:
3516 /* This reference requires a global offset table. */
3517 local_got_refcounts[-1]++;
3518 /* Fall through. */
3519
3520 case R_CRIS_32_PLT_PCREL:
3521 /* This symbol requires a procedure linkage table entry. We
3522 actually build the entry in adjust_dynamic_symbol,
3523 because this might be a case of linking PIC code which is
3524 never referenced by a dynamic object, in which case we
3525 don't need to generate a procedure linkage table entry
3526 after all. */
3527
ada1953e
HPN
3528 /* Beware: if we'd check for visibility of the symbol here
3529 (and not marking the need for a PLT when non-visible), we'd
3530 get into trouble with keeping handling consistent with
3531 regards to relocs found before definition and GOTPLT
3532 handling. Eliminable PLT entries will be dealt with later
3533 anyway. */
3534 if (h == NULL)
915e5146
HPN
3535 continue;
3536
f5385ebf 3537 h->needs_plt = 1;
51b64d56 3538 h->plt.refcount++;
915e5146
HPN
3539 break;
3540
3541 case R_CRIS_8:
3542 case R_CRIS_16:
3543 case R_CRIS_32:
3544 /* Let's help debug shared library creation. Any of these
0d08de41
HPN
3545 relocs *can* be used in shared libs, but pages containing
3546 them cannot be shared, so they're not appropriate for
3547 common use. Don't warn for sections we don't care about,
3548 such as debug sections or non-constant sections. We
3549 can't help tables of (global) function pointers, for
3550 example, though they must be emitted in a (writable) data
3551 section to avoid having impure text sections. */
0e1862bb 3552 if (bfd_link_pic (info)
915e5146
HPN
3553 && (sec->flags & SEC_ALLOC) != 0
3554 && (sec->flags & SEC_READONLY) != 0)
3555 {
3556 /* FIXME: How do we make this optionally a warning only? */
8f615d07 3557 (*_bfd_error_handler)
bac23f82
HPN
3558 (_("%B, section %A:\n relocation %s should not"
3559 " be used in a shared object; recompile with -fPIC"),
d003868e
AM
3560 abfd,
3561 sec,
8f615d07 3562 cris_elf_howto_table[r_type].name);
915e5146 3563 }
28f68c73
HPN
3564
3565 /* We don't need to handle relocs into sections not going into
3566 the "real" output. */
3567 if ((sec->flags & SEC_ALLOC) == 0)
3568 break;
3569
0d08de41
HPN
3570 if (h != NULL)
3571 {
3572 h->non_got_ref = 1;
100382c7 3573
0d08de41
HPN
3574 /* Make sure a plt entry is created for this symbol if it
3575 turns out to be a function defined by a dynamic object. */
3576 if (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
3577 h->plt.refcount++;
3578 }
3579
3580 /* If we are creating a shared library and this is not a local
3581 symbol, we need to copy the reloc into the shared library.
3582 However when linking with -Bsymbolic and this is a global
3583 symbol which is defined in an object we are including in the
3584 link (i.e., DEF_REGULAR is set), then we can resolve the
3585 reloc directly. At this point we have not seen all the input
3586 files, so it is possible that DEF_REGULAR is not set now but
3587 will be set later (it is never cleared). In case of a weak
3588 definition, DEF_REGULAR may be cleared later by a strong
3589 definition in a shared library. We account for that
3590 possibility below by storing information in the relocs_copied
3591 field of the hash table entry. A similar situation occurs
3592 when creating shared libraries and symbol visibility changes
3593 render the symbol local. */
3594
3595 /* No need to do anything if we're not creating a shared object. */
0e1862bb 3596 if (! bfd_link_pic (info))
0d08de41
HPN
3597 break;
3598
0d08de41
HPN
3599 /* We may need to create a reloc section in the dynobj and made room
3600 for this reloc. */
3601 if (sreloc == NULL)
3602 {
3603 sreloc = _bfd_elf_make_dynamic_reloc_section
3604 (sec, dynobj, 2, abfd, /*rela?*/ TRUE);
3605
3606 if (sreloc == NULL)
3607 return FALSE;
3608 }
3609
3610 if (sec->flags & SEC_READONLY)
3611 info->flags |= DF_TEXTREL;
3612
3613 sreloc->size += sizeof (Elf32_External_Rela);
3614 break;
915e5146
HPN
3615
3616 case R_CRIS_8_PCREL:
3617 case R_CRIS_16_PCREL:
3618 case R_CRIS_32_PCREL:
3619 if (h != NULL)
3620 {
f5385ebf 3621 h->non_got_ref = 1;
915e5146
HPN
3622
3623 /* Make sure a plt entry is created for this symbol if it
3624 turns out to be a function defined by a dynamic object. */
0a4787a0
HPN
3625 if (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
3626 h->plt.refcount++;
915e5146
HPN
3627 }
3628
3629 /* If we are creating a shared library and this is not a local
3630 symbol, we need to copy the reloc into the shared library.
3631 However when linking with -Bsymbolic and this is a global
3632 symbol which is defined in an object we are including in the
3633 link (i.e., DEF_REGULAR is set), then we can resolve the
3634 reloc directly. At this point we have not seen all the input
3635 files, so it is possible that DEF_REGULAR is not set now but
3636 will be set later (it is never cleared). In case of a weak
3637 definition, DEF_REGULAR may be cleared later by a strong
3638 definition in a shared library. We account for that
3639 possibility below by storing information in the relocs_copied
3640 field of the hash table entry. A similar situation occurs
3641 when creating shared libraries and symbol visibility changes
3642 render the symbol local. */
3643
3644 /* No need to do anything if we're not creating a shared object. */
0e1862bb 3645 if (! bfd_link_pic (info))
915e5146
HPN
3646 break;
3647
3648 /* We don't need to handle relocs into sections not going into
3649 the "real" output. */
3650 if ((sec->flags & SEC_ALLOC) == 0)
3651 break;
3652
0d08de41
HPN
3653 /* If the symbol is local, then we know already we can
3654 eliminate the reloc. */
3655 if (h == NULL || ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
3656 break;
bac23f82 3657
0d08de41
HPN
3658 /* If this is with -Bsymbolic and the symbol isn't weak, and
3659 is defined by an ordinary object (the ones we include in
3660 this shared library) then we can also eliminate the
3661 reloc. See comment above for more eliminable cases which
3662 we can't identify at this time. */
cb1c8103 3663 if (SYMBOLIC_BIND (info, h)
0d08de41
HPN
3664 && h->root.type != bfd_link_hash_defweak
3665 && h->def_regular)
3666 break;
915e5146 3667
83bac4b0
NC
3668 /* We may need to create a reloc section in the dynobj and made room
3669 for this reloc. */
915e5146
HPN
3670 if (sreloc == NULL)
3671 {
83bac4b0
NC
3672 sreloc = _bfd_elf_make_dynamic_reloc_section
3673 (sec, dynobj, 2, abfd, /*rela?*/ TRUE);
915e5146 3674
83bac4b0 3675 if (sreloc == NULL)
b34976b6 3676 return FALSE;
915e5146
HPN
3677 }
3678
eea6121a 3679 sreloc->size += sizeof (Elf32_External_Rela);
915e5146 3680
0d08de41
HPN
3681 /* We count the number of PC relative relocations we have
3682 entered for this symbol, so that we can discard them
3683 again if the symbol is later defined by a regular object.
3684 We know that h is really a pointer to an
915e5146 3685 elf_cris_link_hash_entry. */
0d08de41
HPN
3686 {
3687 struct elf_cris_link_hash_entry *eh;
3688 struct elf_cris_pcrel_relocs_copied *p;
915e5146 3689
0d08de41 3690 eh = elf_cris_hash_entry (h);
915e5146 3691
0d08de41 3692 for (p = eh->pcrel_relocs_copied; p != NULL; p = p->next)
bfbff9eb 3693 if (p->section == sec)
0d08de41 3694 break;
915e5146 3695
0d08de41
HPN
3696 if (p == NULL)
3697 {
3698 p = ((struct elf_cris_pcrel_relocs_copied *)
3699 bfd_alloc (dynobj, (bfd_size_type) sizeof *p));
3700 if (p == NULL)
3701 return FALSE;
3702 p->next = eh->pcrel_relocs_copied;
3703 eh->pcrel_relocs_copied = p;
bfbff9eb 3704 p->section = sec;
0d08de41
HPN
3705 p->count = 0;
3706 p->r_type = r_type;
3707 }
915e5146 3708
0d08de41
HPN
3709 ++p->count;
3710 }
915e5146
HPN
3711 break;
3712
06c15ad7
HPN
3713 /* This relocation describes the C++ object vtable hierarchy.
3714 Reconstruct it for later use during GC. */
3715 case R_CRIS_GNU_VTINHERIT:
c152c796 3716 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
b34976b6 3717 return FALSE;
06c15ad7 3718 break;
a7c10850 3719
06c15ad7
HPN
3720 /* This relocation describes which C++ vtable entries are actually
3721 used. Record for later use during GC. */
3722 case R_CRIS_GNU_VTENTRY:
d17e0c6e
JB
3723 BFD_ASSERT (h != NULL);
3724 if (h != NULL
3725 && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
b34976b6 3726 return FALSE;
06c15ad7 3727 break;
4d96d128 3728
100382c7
HPN
3729 case R_CRIS_16_TPREL:
3730 case R_CRIS_32_TPREL:
3731 /* Already warned above, when necessary. */
3732 break;
3733
4d96d128
HPN
3734 default:
3735 /* Other relocs do not appear here. */
3736 bfd_set_error (bfd_error_bad_value);
b34976b6 3737 return FALSE;
06c15ad7
HPN
3738 }
3739 }
a7c10850 3740
b34976b6 3741 return TRUE;
06c15ad7 3742}
4da81684 3743
915e5146
HPN
3744/* Set the sizes of the dynamic sections. */
3745
b34976b6 3746static bfd_boolean
4dfe6ac6
NC
3747elf_cris_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
3748 struct bfd_link_info *info)
915e5146 3749{
4dfe6ac6 3750 struct elf_cris_link_hash_table * htab;
915e5146
HPN
3751 bfd *dynobj;
3752 asection *s;
b34976b6
AM
3753 bfd_boolean plt;
3754 bfd_boolean relocs;
915e5146 3755
4dfe6ac6
NC
3756 htab = elf_cris_hash_table (info);
3757 if (htab == NULL)
3758 return FALSE;
3759
915e5146
HPN
3760 dynobj = elf_hash_table (info)->dynobj;
3761 BFD_ASSERT (dynobj != NULL);
3762
3763 if (elf_hash_table (info)->dynamic_sections_created)
3764 {
3765 /* Set the contents of the .interp section to the interpreter. */
9b8b325a 3766 if (bfd_link_executable (info) && !info->nointerp)
915e5146 3767 {
3d4d4302 3768 s = bfd_get_linker_section (dynobj, ".interp");
915e5146 3769 BFD_ASSERT (s != NULL);
eea6121a 3770 s->size = sizeof ELF_DYNAMIC_INTERPRETER;
915e5146
HPN
3771 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
3772 }
3773 }
3774 else
3775 {
3776 /* Adjust all expected GOTPLT uses to use a GOT entry instead. */
4dfe6ac6
NC
3777 elf_cris_link_hash_traverse (htab, elf_cris_adjust_gotplt_to_got,
3778 info);
915e5146
HPN
3779
3780 /* We may have created entries in the .rela.got section.
3781 However, if we are not creating the dynamic sections, we will
3782 not actually use these entries. Reset the size of .rela.got,
3783 which will cause it to get stripped from the output file
3784 below. */
3d4d4302 3785 s = bfd_get_linker_section (dynobj, ".rela.got");
915e5146 3786 if (s != NULL)
eea6121a 3787 s->size = 0;
915e5146
HPN
3788 }
3789
3790 /* If this is a -Bsymbolic shared link, then we need to discard all PC
3791 relative relocs against symbols defined in a regular object. We
3792 allocated space for them in the check_relocs routine, but we will not
3793 fill them in in the relocate_section routine. We also discard space
3794 for relocs that have become for local symbols due to symbol
4d96d128
HPN
3795 visibility changes. For programs, we discard space for relocs for
3796 symbols not referenced by any dynamic object. */
0e1862bb 3797 if (bfd_link_pic (info))
4dfe6ac6 3798 elf_cris_link_hash_traverse (htab,
4d96d128 3799 elf_cris_discard_excess_dso_dynamics,
4dfe6ac6 3800 info);
4d96d128 3801 else
4dfe6ac6 3802 elf_cris_link_hash_traverse (htab,
4d96d128 3803 elf_cris_discard_excess_program_dynamics,
4dfe6ac6 3804 info);
915e5146
HPN
3805
3806 /* The check_relocs and adjust_dynamic_symbol entry points have
3807 determined the sizes of the various dynamic sections. Allocate
3808 memory for them. */
b34976b6
AM
3809 plt = FALSE;
3810 relocs = FALSE;
915e5146
HPN
3811 for (s = dynobj->sections; s != NULL; s = s->next)
3812 {
3813 const char *name;
915e5146
HPN
3814
3815 if ((s->flags & SEC_LINKER_CREATED) == 0)
3816 continue;
3817
3818 /* It's OK to base decisions on the section name, because none
3819 of the dynobj section names depend upon the input files. */
3820 name = bfd_get_section_name (dynobj, s);
3821
915e5146
HPN
3822 if (strcmp (name, ".plt") == 0)
3823 {
c456f082
AM
3824 /* Remember whether there is a PLT. */
3825 plt = s->size != 0;
915e5146 3826 }
100382c7
HPN
3827 else if (strcmp (name, ".got.plt") == 0)
3828 {
3829 /* The .got.plt contains the .got header as well as the
3830 actual .got.plt contents. The .got header may contain a
3831 R_CRIS_DTPMOD entry at index 3. */
4dfe6ac6 3832 s->size += htab->dtpmod_refcount != 0
100382c7
HPN
3833 ? 8 : 0;
3834 }
0112cd26 3835 else if (CONST_STRNEQ (name, ".rela"))
915e5146 3836 {
100382c7 3837 if (strcmp (name, ".rela.got") == 0
4dfe6ac6 3838 && htab->dtpmod_refcount != 0
0e1862bb 3839 && bfd_link_pic (info))
100382c7
HPN
3840 s->size += sizeof (Elf32_External_Rela);
3841
c456f082 3842 if (s->size != 0)
915e5146 3843 {
915e5146
HPN
3844 /* Remember whether there are any reloc sections other
3845 than .rela.plt. */
3846 if (strcmp (name, ".rela.plt") != 0)
b34976b6 3847 relocs = TRUE;
915e5146 3848
915e5146
HPN
3849 /* We use the reloc_count field as a counter if we need
3850 to copy relocs into the output file. */
3851 s->reloc_count = 0;
3852 }
3853 }
0112cd26 3854 else if (! CONST_STRNEQ (name, ".got")
c456f082 3855 && strcmp (name, ".dynbss") != 0)
915e5146
HPN
3856 {
3857 /* It's not one of our sections, so don't allocate space. */
3858 continue;
3859 }
3860
c456f082 3861 if (s->size == 0)
915e5146 3862 {
c456f082
AM
3863 /* If we don't need this section, strip it from the
3864 output file. This is mostly to handle .rela.bss and
3865 .rela.plt. We must create both sections in
3866 create_dynamic_sections, because they must be created
3867 before the linker maps input sections to output
3868 sections. The linker does that before
3869 adjust_dynamic_symbol is called, and it is that
3870 function which decides whether anything needs to go
3871 into these sections. */
8423293d 3872 s->flags |= SEC_EXCLUDE;
915e5146
HPN
3873 continue;
3874 }
3875
c456f082
AM
3876 if ((s->flags & SEC_HAS_CONTENTS) == 0)
3877 continue;
3878
915e5146
HPN
3879 /* Allocate memory for the section contents. We use bfd_zalloc here
3880 in case unused entries are not reclaimed before the section's
3881 contents are written out. This should not happen, but this way
3882 if it does, we will not write out garbage. For reloc sections,
3883 this will make entries have the type R_CRIS_NONE. */
eea6121a 3884 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
c456f082 3885 if (s->contents == NULL)
b34976b6 3886 return FALSE;
915e5146
HPN
3887 }
3888
3889 if (elf_hash_table (info)->dynamic_sections_created)
3890 {
3891 /* Add some entries to the .dynamic section. We fill in the
3892 values later, in elf_cris_finish_dynamic_sections, but we
3893 must add the entries now so that we get the correct size for
3894 the .dynamic section. The DT_DEBUG entry is filled in by the
3895 dynamic linker and used by the debugger. */
dc810e39 3896#define add_dynamic_entry(TAG, VAL) \
5a580b3a 3897 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
dc810e39 3898
0e1862bb 3899 if (!bfd_link_pic (info))
915e5146 3900 {
dc810e39 3901 if (!add_dynamic_entry (DT_DEBUG, 0))
b34976b6 3902 return FALSE;
915e5146
HPN
3903 }
3904
3905 if (plt)
3906 {
dc810e39
AM
3907 if (!add_dynamic_entry (DT_PLTGOT, 0)
3908 || !add_dynamic_entry (DT_PLTRELSZ, 0)
3909 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
3910 || !add_dynamic_entry (DT_JMPREL, 0))
b34976b6 3911 return FALSE;
915e5146
HPN
3912 }
3913
3914 if (relocs)
3915 {
dc810e39
AM
3916 if (!add_dynamic_entry (DT_RELA, 0)
3917 || !add_dynamic_entry (DT_RELASZ, 0)
3918 || !add_dynamic_entry (DT_RELAENT, sizeof (Elf32_External_Rela)))
b34976b6 3919 return FALSE;
915e5146
HPN
3920 }
3921
99e4ae17 3922 if ((info->flags & DF_TEXTREL) != 0)
915e5146 3923 {
dc810e39 3924 if (!add_dynamic_entry (DT_TEXTREL, 0))
b34976b6 3925 return FALSE;
915e5146
HPN
3926 info->flags |= DF_TEXTREL;
3927 }
3928 }
dc810e39 3929#undef add_dynamic_entry
915e5146 3930
b34976b6 3931 return TRUE;
915e5146
HPN
3932}
3933
3934/* This function is called via elf_cris_link_hash_traverse if we are
3935 creating a shared object. In the -Bsymbolic case, it discards the
3936 space allocated to copy PC relative relocs against symbols which
3937 are defined in regular objects. For the normal non-symbolic case,
3938 we also discard space for relocs that have become local due to
3939 symbol visibility changes. We allocated space for them in the
3940 check_relocs routine, but we won't fill them in in the
3941 relocate_section routine. */
3942
b34976b6 3943static bfd_boolean
2c3fc389
NC
3944elf_cris_discard_excess_dso_dynamics (struct elf_cris_link_hash_entry *h,
3945 void * inf)
915e5146
HPN
3946{
3947 struct elf_cris_pcrel_relocs_copied *s;
3948 struct bfd_link_info *info = (struct bfd_link_info *) inf;
3949
3950 /* If a symbol has been forced local or we have found a regular
3951 definition for the symbolic link case, then we won't be needing
3952 any relocs. */
f5385ebf
AM
3953 if (h->root.def_regular
3954 && (h->root.forced_local
cb1c8103 3955 || SYMBOLIC_BIND (info, &h->root)))
915e5146
HPN
3956 {
3957 for (s = h->pcrel_relocs_copied; s != NULL; s = s->next)
bfbff9eb
HPN
3958 {
3959 asection *sreloc
e236b51d
HPN
3960 = _bfd_elf_get_dynamic_reloc_section (elf_hash_table (info)
3961 ->dynobj,
bfbff9eb
HPN
3962 s->section,
3963 /*rela?*/ TRUE);
3964 sreloc->size -= s->count * sizeof (Elf32_External_Rela);
3965 }
0d08de41
HPN
3966 return TRUE;
3967 }
3968
3969 /* If we have accounted for PC-relative relocs for read-only
3970 sections, now is the time to warn for them. We can't do it in
3971 cris_elf_check_relocs, because we don't know the status of all
3972 symbols at that time (and it's common to force symbols local
3973 late). */
3974
3975 for (s = h->pcrel_relocs_copied; s != NULL; s = s->next)
bfbff9eb
HPN
3976 if ((s->section->flags & SEC_READONLY) != 0)
3977 {
3978 /* FIXME: How do we make this optionally a warning only? */
3979 (*_bfd_error_handler)
3980 (_("%B, section `%A', to symbol `%s':\n"
3981 " relocation %s should not be used"
3982 " in a shared object; recompile with -fPIC"),
3983 s->section->owner,
3984 s->section,
3985 h->root.root.root.string,
3986 cris_elf_howto_table[s->r_type].name);
3987
3988 info->flags |= DF_TEXTREL;
3989 }
4d96d128 3990
b34976b6 3991 return TRUE;
4d96d128
HPN
3992}
3993
3994/* This function is called via elf_cris_link_hash_traverse if we are *not*
3995 creating a shared object. We discard space for relocs for symbols put
3996 in the .got, but which we found we do not have to resolve at run-time. */
3997
b34976b6 3998static bfd_boolean
2c3fc389
NC
3999elf_cris_discard_excess_program_dynamics (struct elf_cris_link_hash_entry *h,
4000 void * inf)
4d96d128
HPN
4001{
4002 struct bfd_link_info *info = (struct bfd_link_info *) inf;
4003
4004 /* If we're not creating a shared library and have a symbol which is
4005 referred to by .got references, but the symbol is defined locally,
e4a2175c
HPN
4006 (or rather, not defined by a DSO) then lose the reloc for the .got
4007 (don't allocate room for it). Likewise for relocs for something
4008 for which we create a PLT. */
f5385ebf 4009 if (!h->root.def_dynamic
e4a2175c 4010 || h->root.plt.refcount > 0)
4d96d128 4011 {
100382c7 4012 if (h->reg_got_refcount > 0
4d96d128
HPN
4013 /* The size of this section is only valid and in sync with the
4014 various reference counts if we do dynamic; don't decrement it
4015 otherwise. */
4016 && elf_hash_table (info)->dynamic_sections_created)
4017 {
4018 bfd *dynobj = elf_hash_table (info)->dynobj;
4019 asection *srelgot;
4020
4021 BFD_ASSERT (dynobj != NULL);
99c79b2e 4022
3d4d4302 4023 srelgot = bfd_get_linker_section (dynobj, ".rela.got");
4d96d128
HPN
4024
4025 BFD_ASSERT (srelgot != NULL);
4026
eea6121a 4027 srelgot->size -= sizeof (Elf32_External_Rela);
4d96d128
HPN
4028 }
4029
4030 /* If the locally-defined symbol isn't used by a DSO, then we don't
4031 have to export it as a dynamic symbol. This was already done for
4032 functions; doing this for all symbols would presumably not
e5dfef09 4033 introduce new problems. Of course we don't do this if we're
2d8dcb81
HPN
4034 exporting all dynamic symbols, or all data symbols, regardless of
4035 them being referenced or not. */
4036 if (! (info->export_dynamic
4037 || (h->root.type != STT_FUNC && info->dynamic_data))
77cfaee6 4038 && h->root.dynindx != -1
f5385ebf
AM
4039 && !h->root.def_dynamic
4040 && !h->root.ref_dynamic)
e5dfef09
HPN
4041 {
4042 h->root.dynindx = -1;
4043 _bfd_elf_strtab_delref (elf_hash_table (info)->dynstr,
4044 h->root.dynstr_index);
4045 }
915e5146
HPN
4046 }
4047
b34976b6 4048 return TRUE;
915e5146
HPN
4049}
4050
4051/* Reject a file depending on presence and expectation of prefixed
4052 underscores on symbols. */
4da81684 4053
b34976b6 4054static bfd_boolean
2c3fc389 4055cris_elf_object_p (bfd *abfd)
4da81684 4056{
bac23f82
HPN
4057 if (! cris_elf_set_mach_from_flags (abfd, elf_elfheader (abfd)->e_flags))
4058 return FALSE;
4059
4da81684
HPN
4060 if ((elf_elfheader (abfd)->e_flags & EF_CRIS_UNDERSCORE))
4061 return (bfd_get_symbol_leading_char (abfd) == '_');
4062 else
4063 return (bfd_get_symbol_leading_char (abfd) == 0);
4064}
4065
bac23f82
HPN
4066/* Mark presence or absence of leading underscore. Set machine type
4067 flags from mach type. */
4da81684
HPN
4068
4069static void
2c3fc389
NC
4070cris_elf_final_write_processing (bfd *abfd,
4071 bfd_boolean linker ATTRIBUTE_UNUSED)
4da81684 4072{
bac23f82
HPN
4073 unsigned long e_flags = elf_elfheader (abfd)->e_flags;
4074
4075 e_flags &= ~EF_CRIS_UNDERSCORE;
4da81684 4076 if (bfd_get_symbol_leading_char (abfd) == '_')
bac23f82
HPN
4077 e_flags |= EF_CRIS_UNDERSCORE;
4078
4079 switch (bfd_get_mach (abfd))
4080 {
4081 case bfd_mach_cris_v0_v10:
4082 e_flags |= EF_CRIS_VARIANT_ANY_V0_V10;
4083 break;
4084
4085 case bfd_mach_cris_v10_v32:
4086 e_flags |= EF_CRIS_VARIANT_COMMON_V10_V32;
4087 break;
4088
4089 case bfd_mach_cris_v32:
4090 e_flags |= EF_CRIS_VARIANT_V32;
4091 break;
4092
4093 default:
4094 _bfd_abort (__FILE__, __LINE__,
4095 _("Unexpected machine number"));
4096 }
4097
4098 elf_elfheader (abfd)->e_flags = e_flags;
4099}
4100
4101/* Set the mach type from e_flags value. */
4102
4103static bfd_boolean
2c3fc389
NC
4104cris_elf_set_mach_from_flags (bfd *abfd,
4105 unsigned long flags)
bac23f82
HPN
4106{
4107 switch (flags & EF_CRIS_VARIANT_MASK)
4108 {
4109 case EF_CRIS_VARIANT_ANY_V0_V10:
4110 bfd_default_set_arch_mach (abfd, bfd_arch_cris, bfd_mach_cris_v0_v10);
4111 break;
4112
4113 case EF_CRIS_VARIANT_V32:
4114 bfd_default_set_arch_mach (abfd, bfd_arch_cris, bfd_mach_cris_v32);
4115 break;
4116
4117 case EF_CRIS_VARIANT_COMMON_V10_V32:
4118 bfd_default_set_arch_mach (abfd, bfd_arch_cris, bfd_mach_cris_v10_v32);
4119 break;
4120
4121 default:
4122 /* Since we don't recognize them, we obviously can't support them
4123 with this code; we'd have to require that all future handling
4124 would be optional. */
4125 bfd_set_error (bfd_error_wrong_format);
4126 return FALSE;
4127 }
4128
4129 return TRUE;
4da81684
HPN
4130}
4131
4132/* Display the flags field. */
4133
b34976b6 4134static bfd_boolean
2c3fc389 4135cris_elf_print_private_bfd_data (bfd *abfd, void * ptr)
4da81684
HPN
4136{
4137 FILE *file = (FILE *) ptr;
4138
f12123c0 4139 BFD_ASSERT (abfd != NULL && ptr != NULL);
4da81684
HPN
4140
4141 _bfd_elf_print_private_bfd_data (abfd, ptr);
4142
4143 fprintf (file, _("private flags = %lx:"), elf_elfheader (abfd)->e_flags);
4144
4145 if (elf_elfheader (abfd)->e_flags & EF_CRIS_UNDERSCORE)
4146 fprintf (file, _(" [symbols have a _ prefix]"));
bac23f82
HPN
4147 if ((elf_elfheader (abfd)->e_flags & EF_CRIS_VARIANT_MASK)
4148 == EF_CRIS_VARIANT_COMMON_V10_V32)
4149 fprintf (file, _(" [v10 and v32]"));
4150 if ((elf_elfheader (abfd)->e_flags & EF_CRIS_VARIANT_MASK)
4151 == EF_CRIS_VARIANT_V32)
4152 fprintf (file, _(" [v32]"));
4da81684
HPN
4153
4154 fputc ('\n', file);
b34976b6 4155 return TRUE;
4da81684
HPN
4156}
4157
4158/* Don't mix files with and without a leading underscore. */
4159
b34976b6 4160static bfd_boolean
2c3fc389 4161cris_elf_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
4da81684 4162{
bac23f82 4163 int imach, omach;
4da81684 4164
82e51918 4165 if (! _bfd_generic_verify_endian_match (ibfd, obfd))
b34976b6 4166 return FALSE;
4da81684
HPN
4167
4168 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
4169 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
b34976b6 4170 return TRUE;
4da81684 4171
bac23f82
HPN
4172 imach = bfd_get_mach (ibfd);
4173
4da81684
HPN
4174 if (! elf_flags_init (obfd))
4175 {
4176 /* This happens when ld starts out with a 'blank' output file. */
b34976b6 4177 elf_flags_init (obfd) = TRUE;
4da81684 4178
bac23f82
HPN
4179 /* We ignore the linker-set mach, and instead set it according to
4180 the first input file. This would also happen if we could
4181 somehow filter out the OUTPUT_ARCH () setting from elf.sc.
4182 This allows us to keep the same linker config across
4183 cris(v0..v10) and crisv32. The drawback is that we can't force
4184 the output type, which might be a sane thing to do for a
4185 v10+v32 compatibility object. */
4186 if (! bfd_set_arch_mach (obfd, bfd_arch_cris, imach))
4187 return FALSE;
4da81684
HPN
4188 }
4189
bac23f82
HPN
4190 if (bfd_get_symbol_leading_char (ibfd)
4191 != bfd_get_symbol_leading_char (obfd))
4da81684
HPN
4192 {
4193 (*_bfd_error_handler)
bac23f82 4194 (bfd_get_symbol_leading_char (ibfd) == '_'
d003868e
AM
4195 ? _("%B: uses _-prefixed symbols, but writing file with non-prefixed symbols")
4196 : _("%B: uses non-prefixed symbols, but writing file with _-prefixed symbols"),
4197 ibfd);
4da81684 4198 bfd_set_error (bfd_error_bad_value);
b34976b6 4199 return FALSE;
4da81684
HPN
4200 }
4201
bac23f82
HPN
4202 omach = bfd_get_mach (obfd);
4203
4204 if (imach != omach)
4205 {
4206 /* We can get an incompatible combination only if either is
4207 bfd_mach_cris_v32, and the other one isn't compatible. */
4208 if ((imach == bfd_mach_cris_v32
4209 && omach != bfd_mach_cris_v10_v32)
4210 || (omach == bfd_mach_cris_v32
4211 && imach != bfd_mach_cris_v10_v32))
4212 {
4213 (*_bfd_error_handler)
4214 ((imach == bfd_mach_cris_v32)
4215 ? _("%B contains CRIS v32 code, incompatible"
4216 " with previous objects")
4217 : _("%B contains non-CRIS-v32 code, incompatible"
4218 " with previous objects"),
4219 ibfd);
4220 bfd_set_error (bfd_error_bad_value);
4221 return FALSE;
4222 }
4223
4224 /* We don't have to check the case where the input is compatible
4225 with v10 and v32, because the output is already known to be set
4226 to the other (compatible) mach. */
4227 if (omach == bfd_mach_cris_v10_v32
4228 && ! bfd_set_arch_mach (obfd, bfd_arch_cris, imach))
4229 return FALSE;
4230 }
4231
b34976b6 4232 return TRUE;
4da81684 4233}
99e4ae17 4234
bac23f82
HPN
4235/* Do side-effects of e_flags copying to obfd. */
4236
4237static bfd_boolean
2c3fc389 4238cris_elf_copy_private_bfd_data (bfd *ibfd, bfd *obfd)
bac23f82
HPN
4239{
4240 /* Call the base function. */
4241 if (!_bfd_elf_copy_private_bfd_data (ibfd, obfd))
4242 return FALSE;
4243
4244 /* If output is big-endian for some obscure reason, stop here. */
4245 if (_bfd_generic_verify_endian_match (ibfd, obfd) == FALSE)
4246 return FALSE;
4247
4248 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
4249 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
4250 return TRUE;
4251
4252 /* Do what we really came here for. */
4253 return bfd_set_arch_mach (obfd, bfd_arch_cris, bfd_get_mach (ibfd));
4254}
99e4ae17
AJ
4255
4256static enum elf_reloc_type_class
7e612e98
AM
4257elf_cris_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
4258 const asection *rel_sec ATTRIBUTE_UNUSED,
4259 const Elf_Internal_Rela *rela)
99e4ae17 4260{
100382c7
HPN
4261 enum elf_cris_reloc_type r_type = ELF32_R_TYPE (rela->r_info);
4262 switch (r_type)
99e4ae17
AJ
4263 {
4264 case R_CRIS_RELATIVE:
4265 return reloc_class_relative;
4266 case R_CRIS_JUMP_SLOT:
4267 return reloc_class_plt;
4268 case R_CRIS_COPY:
4269 return reloc_class_copy;
4270 default:
4271 return reloc_class_normal;
4272 }
4273}
100382c7
HPN
4274
4275/* The elf_backend_got_elt_size worker. For one symbol, we can have up to
4276 two GOT entries from three types with two different sizes. We handle
4277 it as a single entry, so we can use the regular offset-calculation
4278 machinery. */
4279
4280static bfd_vma
4281elf_cris_got_elt_size (bfd *abfd ATTRIBUTE_UNUSED,
4282 struct bfd_link_info *info ATTRIBUTE_UNUSED,
4283 struct elf_link_hash_entry *hr,
4284 bfd *ibfd,
4285 unsigned long symndx)
4286{
4287 struct elf_link_hash_entry *h = (struct elf_link_hash_entry *) hr;
100382c7
HPN
4288 bfd_vma eltsiz = 0;
4289
4290 /* We may have one regular GOT entry or up to two TLS GOT
4291 entries. */
4292 if (h == NULL)
4293 {
b2e254f9 4294 Elf_Internal_Shdr *symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
100382c7
HPN
4295 bfd_signed_vma *local_got_refcounts = elf_local_got_refcounts (ibfd);
4296
4297 BFD_ASSERT (local_got_refcounts != NULL);
4298
4299 if (local_got_refcounts[LGOT_REG_NDX (symndx)] > 0)
4300 {
4301 /* We can't have a variable referred to both as a regular
4302 variable and through TLS relocs. */
4303 BFD_ASSERT (local_got_refcounts[LGOT_DTP_NDX (symndx)] == 0
4304 && local_got_refcounts[LGOT_TPREL_NDX (symndx)] == 0);
4305 return 4;
4306 }
4307
4308 if (local_got_refcounts[LGOT_DTP_NDX (symndx)] > 0)
4309 eltsiz += 8;
4310
4311 if (local_got_refcounts[LGOT_TPREL_NDX (symndx)] > 0)
4312 eltsiz += 4;
4313 }
4314 else
4315 {
4316 struct elf_cris_link_hash_entry *hh = elf_cris_hash_entry (h);
4317 if (hh->reg_got_refcount > 0)
4318 {
4319 /* The actual error-on-input is emitted elsewhere. */
4320 BFD_ASSERT (hh->dtp_refcount == 0 && hh->tprel_refcount == 0);
4321 return 4;
4322 }
4323
4324 if (hh->dtp_refcount > 0)
4325 eltsiz += 8;
4326
4327 if (hh->tprel_refcount > 0)
4328 eltsiz += 4;
4329 }
4330
b2e254f9
HPN
4331 /* We're only called when h->got.refcount is non-zero, so we must
4332 have a non-zero size. */
4333 BFD_ASSERT (eltsiz != 0);
100382c7
HPN
4334 return eltsiz;
4335}
06c15ad7
HPN
4336\f
4337#define ELF_ARCH bfd_arch_cris
ae95ffa6 4338#define ELF_TARGET_ID CRIS_ELF_DATA
06c15ad7
HPN
4339#define ELF_MACHINE_CODE EM_CRIS
4340#define ELF_MAXPAGESIZE 0x2000
4341
6d00b590 4342#define TARGET_LITTLE_SYM cris_elf32_vec
06c15ad7 4343#define TARGET_LITTLE_NAME "elf32-cris"
4da81684 4344#define elf_symbol_leading_char 0
06c15ad7
HPN
4345
4346#define elf_info_to_howto_rel NULL
4347#define elf_info_to_howto cris_info_to_howto_rela
4348#define elf_backend_relocate_section cris_elf_relocate_section
4349#define elf_backend_gc_mark_hook cris_elf_gc_mark_hook
4350#define elf_backend_gc_sweep_hook cris_elf_gc_sweep_hook
5d5a918a 4351#define elf_backend_plt_sym_val cris_elf_plt_sym_val
06c15ad7 4352#define elf_backend_check_relocs cris_elf_check_relocs
72209a1f
HPN
4353#define elf_backend_grok_prstatus cris_elf_grok_prstatus
4354#define elf_backend_grok_psinfo cris_elf_grok_psinfo
06c15ad7
HPN
4355
4356#define elf_backend_can_gc_sections 1
51b64d56 4357#define elf_backend_can_refcount 1
06c15ad7 4358
4da81684
HPN
4359#define elf_backend_object_p cris_elf_object_p
4360#define elf_backend_final_write_processing \
4361 cris_elf_final_write_processing
4362#define bfd_elf32_bfd_print_private_bfd_data \
4363 cris_elf_print_private_bfd_data
4364#define bfd_elf32_bfd_merge_private_bfd_data \
4365 cris_elf_merge_private_bfd_data
bac23f82
HPN
4366#define bfd_elf32_bfd_copy_private_bfd_data \
4367 cris_elf_copy_private_bfd_data
4da81684 4368
06c15ad7 4369#define bfd_elf32_bfd_reloc_type_lookup cris_reloc_type_lookup
157090f7 4370#define bfd_elf32_bfd_reloc_name_lookup cris_reloc_name_lookup
06c15ad7 4371
915e5146
HPN
4372#define bfd_elf32_bfd_link_hash_table_create \
4373 elf_cris_link_hash_table_create
4374#define elf_backend_adjust_dynamic_symbol \
4375 elf_cris_adjust_dynamic_symbol
237bc7f0
HPN
4376#define elf_backend_copy_indirect_symbol \
4377 elf_cris_copy_indirect_symbol
915e5146
HPN
4378#define elf_backend_size_dynamic_sections \
4379 elf_cris_size_dynamic_sections
74541ad4 4380#define elf_backend_init_index_section _bfd_elf_init_1_index_section
915e5146
HPN
4381#define elf_backend_finish_dynamic_symbol \
4382 elf_cris_finish_dynamic_symbol
4383#define elf_backend_finish_dynamic_sections \
4384 elf_cris_finish_dynamic_sections
4385#define elf_backend_create_dynamic_sections \
4386 _bfd_elf_create_dynamic_sections
4387#define bfd_elf32_bfd_final_link \
c152c796 4388 bfd_elf_gc_common_final_link
915e5146 4389#define elf_backend_hide_symbol elf_cris_hide_symbol
99e4ae17 4390#define elf_backend_reloc_type_class elf_cris_reloc_type_class
915e5146
HPN
4391
4392#define elf_backend_want_got_plt 1
4393#define elf_backend_plt_readonly 1
4394#define elf_backend_want_plt_sym 0
4395#define elf_backend_got_header_size 12
100382c7 4396#define elf_backend_got_elt_size elf_cris_got_elt_size
915e5146 4397
06c15ad7
HPN
4398/* Later, we my want to optimize RELA entries into REL entries for dynamic
4399 linking and libraries (if it's a win of any significance). Until then,
4400 take the easy route. */
4401#define elf_backend_may_use_rel_p 0
4402#define elf_backend_may_use_rela_p 1
f0fe0e16 4403#define elf_backend_rela_normal 1
06c15ad7
HPN
4404
4405#include "elf32-target.h"
4da81684 4406
4da81684
HPN
4407#undef TARGET_LITTLE_SYM
4408#undef TARGET_LITTLE_NAME
4409#undef elf_symbol_leading_char
4410
6d00b590 4411#define TARGET_LITTLE_SYM cris_elf32_us_vec
4da81684
HPN
4412#define TARGET_LITTLE_NAME "elf32-us-cris"
4413#define elf_symbol_leading_char '_'
16cecee5
L
4414#undef elf32_bed
4415#define elf32_bed elf32_us_cris_bed
4da81684
HPN
4416
4417#include "elf32-target.h"