Commit | Line | Data |
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aa137e4d | 1 | /* TILEPro-specific support for 32-bit ELF. |
219d1afa | 2 | Copyright (C) 2011-2018 Free Software Foundation, Inc. |
aa137e4d NC |
3 | |
4 | This file is part of BFD, the Binary File Descriptor library. | |
5 | ||
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 3 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | This program is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with this program; if not, write to the Free Software | |
18 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | |
19 | MA 02110-1301, USA. */ | |
20 | ||
aa137e4d | 21 | #include "sysdep.h" |
691bf19c | 22 | #include "bfd.h" |
aa137e4d NC |
23 | #include "libbfd.h" |
24 | #include "elf-bfd.h" | |
25 | #include "elf/tilepro.h" | |
26 | #include "opcode/tilepro.h" | |
27 | #include "libiberty.h" | |
28 | #include "elf32-tilepro.h" | |
29 | ||
30 | #define TILEPRO_BYTES_PER_WORD 4 | |
31 | ||
32 | static reloc_howto_type tilepro_elf_howto_table [] = | |
33 | { | |
34 | /* This reloc does nothing. */ | |
35 | HOWTO (R_TILEPRO_NONE, /* type */ | |
36 | 0, /* rightshift */ | |
6346d5ca AM |
37 | 3, /* size (0 = byte, 1 = short, 2 = long) */ |
38 | 0, /* bitsize */ | |
aa137e4d NC |
39 | FALSE, /* pc_relative */ |
40 | 0, /* bitpos */ | |
6346d5ca | 41 | complain_overflow_dont, /* complain_on_overflow */ |
aa137e4d NC |
42 | bfd_elf_generic_reloc, /* special_function */ |
43 | "R_TILEPRO_NONE", /* name */ | |
44 | FALSE, /* partial_inplace */ | |
45 | 0, /* src_mask */ | |
46 | 0, /* dst_mask */ | |
47 | FALSE), /* pcrel_offset */ | |
48 | ||
49 | /* A 32 bit absolute relocation. */ | |
50 | HOWTO (R_TILEPRO_32, /* type */ | |
51 | 0, /* rightshift */ | |
52 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
53 | 32, /* bitsize */ | |
54 | FALSE, /* pc_relative */ | |
55 | 0, /* bitpos */ | |
56 | complain_overflow_dont, /* complain_on_overflow */ | |
57 | bfd_elf_generic_reloc, /* special_function */ | |
58 | "R_TILEPRO_32", /* name */ | |
59 | FALSE, /* partial_inplace */ | |
60 | 0, /* src_mask */ | |
61 | 0xffffffff, /* dst_mask */ | |
62 | FALSE), /* pcrel_offset */ | |
63 | ||
64 | /* A 16 bit absolute relocation. */ | |
65 | HOWTO (R_TILEPRO_16, /* type */ | |
66 | 0, /* rightshift */ | |
67 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
68 | 16, /* bitsize */ | |
69 | FALSE, /* pc_relative */ | |
70 | 0, /* bitpos */ | |
71 | complain_overflow_bitfield, /* complain_on_overflow */ | |
72 | bfd_elf_generic_reloc, /* special_function */ | |
73 | "R_TILEPRO_16", /* name */ | |
74 | FALSE, /* partial_inplace */ | |
75 | 0, /* src_mask */ | |
76 | 0xffff, /* dst_mask */ | |
77 | FALSE), /* pcrel_offset */ | |
78 | ||
79 | /* An 8 bit absolute relocation. */ | |
80 | HOWTO (R_TILEPRO_8, /* type */ | |
81 | 0, /* rightshift */ | |
82 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
83 | 8, /* bitsize */ | |
84 | FALSE, /* pc_relative */ | |
85 | 0, /* bitpos */ | |
86 | complain_overflow_unsigned, /* complain_on_overflow */ | |
87 | bfd_elf_generic_reloc, /* special_function */ | |
88 | "R_TILEPRO_8", /* name */ | |
89 | FALSE, /* partial_inplace */ | |
90 | 0, /* src_mask */ | |
91 | 0xff, /* dst_mask */ | |
92 | FALSE), /* pcrel_offset */ | |
93 | ||
94 | /* A 32 bit pc-relative relocation. */ | |
95 | HOWTO (R_TILEPRO_32_PCREL,/* type */ | |
96 | 0, /* rightshift */ | |
97 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
98 | 32, /* bitsize */ | |
99 | TRUE, /* pc_relative */ | |
100 | 0, /* bitpos */ | |
101 | complain_overflow_dont, /* complain_on_overflow */ | |
102 | bfd_elf_generic_reloc, /* special_function */ | |
103 | "R_TILEPRO_32_PCREL", /* name */ | |
104 | FALSE, /* partial_inplace */ | |
105 | 0, /* src_mask */ | |
106 | 0xffffffff, /* dst_mask */ | |
107 | TRUE), /* pcrel_offset */ | |
108 | ||
109 | /* A 16 bit pc-relative relocation. */ | |
110 | HOWTO (R_TILEPRO_16_PCREL,/* type */ | |
111 | 0, /* rightshift */ | |
112 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
113 | 16, /* bitsize */ | |
114 | TRUE, /* pc_relative */ | |
115 | 0, /* bitpos */ | |
116 | complain_overflow_signed, /* complain_on_overflow */ | |
117 | bfd_elf_generic_reloc, /* special_function */ | |
118 | "R_TILEPRO_16_PCREL", /* name */ | |
119 | FALSE, /* partial_inplace */ | |
120 | 0, /* src_mask */ | |
121 | 0xffff, /* dst_mask */ | |
122 | TRUE), /* pcrel_offset */ | |
123 | ||
124 | /* An 8 bit pc-relative relocation. */ | |
125 | HOWTO (R_TILEPRO_8_PCREL, /* type */ | |
126 | 0, /* rightshift */ | |
127 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
128 | 8, /* bitsize */ | |
129 | TRUE, /* pc_relative */ | |
130 | 0, /* bitpos */ | |
131 | complain_overflow_signed, /* complain_on_overflow */ | |
132 | bfd_elf_generic_reloc, /* special_function */ | |
133 | "R_TILEPRO_8_PCREL",/* name */ | |
134 | FALSE, /* partial_inplace */ | |
135 | 0, /* src_mask */ | |
136 | 0xff, /* dst_mask */ | |
137 | TRUE), /* pcrel_offset */ | |
138 | ||
139 | /* A 16 bit relocation without overflow. */ | |
140 | HOWTO (R_TILEPRO_LO16, /* type */ | |
141 | 0, /* rightshift */ | |
142 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
143 | 16, /* bitsize */ | |
144 | FALSE, /* pc_relative */ | |
145 | 0, /* bitpos */ | |
146 | complain_overflow_dont,/* complain_on_overflow */ | |
147 | bfd_elf_generic_reloc, /* special_function */ | |
148 | "R_TILEPRO_LO16", /* name */ | |
149 | FALSE, /* partial_inplace */ | |
150 | 0, /* src_mask */ | |
151 | 0xffff, /* dst_mask */ | |
152 | FALSE), /* pcrel_offset */ | |
153 | ||
154 | /* The high order 16 bits of an address. */ | |
155 | HOWTO (R_TILEPRO_HI16, /* type */ | |
156 | 16, /* rightshift */ | |
157 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
158 | 16, /* bitsize */ | |
159 | FALSE, /* pc_relative */ | |
160 | 0, /* bitpos */ | |
161 | complain_overflow_dont, /* complain_on_overflow */ | |
162 | bfd_elf_generic_reloc, /* special_function */ | |
163 | "R_TILEPRO_HI16", /* name */ | |
164 | FALSE, /* partial_inplace */ | |
165 | 0, /* src_mask */ | |
166 | 0xffff, /* dst_mask */ | |
167 | FALSE), /* pcrel_offset */ | |
168 | ||
169 | /* The high order 16 bits of an address, plus 1 if the contents of | |
170 | the low 16 bits, treated as a signed number, is negative. */ | |
171 | HOWTO (R_TILEPRO_HA16, /* type */ | |
172 | 16, /* rightshift */ | |
173 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
174 | 16, /* bitsize */ | |
175 | FALSE, /* pc_relative */ | |
176 | 0, /* bitpos */ | |
177 | complain_overflow_dont, /* complain_on_overflow */ | |
178 | bfd_elf_generic_reloc, /* special_function */ | |
179 | "R_TILEPRO_HA16", /* name */ | |
180 | FALSE, /* partial_inplace */ | |
181 | 0, /* src_mask */ | |
182 | 0xffff, /* dst_mask */ | |
183 | FALSE), /* pcrel_offset */ | |
184 | ||
185 | HOWTO (R_TILEPRO_COPY, /* type */ | |
186 | 0, /* rightshift */ | |
187 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
188 | 0, /* bitsize */ | |
189 | FALSE, /* pc_relative */ | |
190 | 0, /* bitpos */ | |
191 | complain_overflow_dont, /* complain_on_overflow */ | |
192 | bfd_elf_generic_reloc, /* special_function */ | |
193 | "R_TILEPRO_COPY", /* name */ | |
194 | FALSE, /* partial_inplace */ | |
195 | 0, /* src_mask */ | |
196 | 0, /* dst_mask */ | |
197 | TRUE), /* pcrel_offset */ | |
198 | ||
199 | HOWTO (R_TILEPRO_GLOB_DAT, /* type */ | |
200 | 0, /* rightshift */ | |
201 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
202 | 0, /* bitsize */ | |
203 | FALSE, /* pc_relative */ | |
204 | 0, /* bitpos */ | |
205 | complain_overflow_dont, /* complain_on_overflow */ | |
206 | bfd_elf_generic_reloc, /* special_function */ | |
207 | "R_TILEPRO_GLOB_DAT", /* name */ | |
208 | FALSE, /* partial_inplace */ | |
209 | 0, /* src_mask */ | |
210 | 0, /* dst_mask */ | |
211 | TRUE), /* pcrel_offset */ | |
212 | ||
213 | HOWTO (R_TILEPRO_JMP_SLOT, /* type */ | |
214 | 0, /* rightshift */ | |
215 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
216 | 0, /* bitsize */ | |
217 | FALSE, /* pc_relative */ | |
218 | 0, /* bitpos */ | |
219 | complain_overflow_dont, /* complain_on_overflow */ | |
220 | bfd_elf_generic_reloc, /* special_function */ | |
221 | "R_TILEPRO_JMP_SLOT", /* name */ | |
222 | FALSE, /* partial_inplace */ | |
223 | 0, /* src_mask */ | |
224 | 0, /* dst_mask */ | |
225 | TRUE), /* pcrel_offset */ | |
226 | ||
227 | HOWTO (R_TILEPRO_RELATIVE, /* type */ | |
228 | 0, /* rightshift */ | |
229 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
230 | 0, /* bitsize */ | |
231 | FALSE, /* pc_relative */ | |
232 | 0, /* bitpos */ | |
233 | complain_overflow_dont, /* complain_on_overflow */ | |
234 | bfd_elf_generic_reloc, /* special_function */ | |
235 | "R_TILEPRO_RELATIVE", /* name */ | |
236 | FALSE, /* partial_inplace */ | |
237 | 0, /* src_mask */ | |
238 | 0, /* dst_mask */ | |
239 | TRUE), /* pcrel_offset */ | |
240 | ||
241 | HOWTO (R_TILEPRO_BROFF_X1, /* type */ | |
242 | TILEPRO_LOG2_BUNDLE_ALIGNMENT_IN_BYTES, /* rightshift */ | |
243 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
244 | 17, /* bitsize */ | |
245 | TRUE, /* pc_relative */ | |
246 | 0, /* bitpos */ | |
247 | complain_overflow_signed, /* complain_on_overflow */ | |
248 | bfd_elf_generic_reloc, /* special_function */ | |
249 | "R_TILEPRO_BROFF_X1", /* name */ | |
250 | FALSE, /* partial_inplace */ | |
251 | 0, /* src_mask */ | |
252 | -1, /* dst_mask */ | |
253 | TRUE), /* pcrel_offset */ | |
254 | ||
255 | HOWTO (R_TILEPRO_JOFFLONG_X1, /* type */ | |
256 | TILEPRO_LOG2_BUNDLE_ALIGNMENT_IN_BYTES, /* rightshift */ | |
257 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
258 | 29, /* bitsize */ | |
259 | TRUE, /* pc_relative */ | |
260 | 0, /* bitpos */ | |
261 | complain_overflow_signed,/* complain_on_overflow */ | |
262 | bfd_elf_generic_reloc, /* special_function */ | |
263 | "R_TILEPRO_JOFFLONG_X1", /* name */ | |
264 | FALSE, /* partial_inplace */ | |
265 | 0, /* src_mask */ | |
266 | -1, /* dst_mask */ | |
07d6d2b8 | 267 | TRUE), /* pcrel_offset */ |
aa137e4d NC |
268 | |
269 | HOWTO (R_TILEPRO_JOFFLONG_X1_PLT, /* type */ | |
270 | TILEPRO_LOG2_BUNDLE_ALIGNMENT_IN_BYTES, /* rightshift */ | |
271 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
272 | 29, /* bitsize */ | |
273 | TRUE, /* pc_relative */ | |
274 | 0, /* bitpos */ | |
275 | complain_overflow_signed,/* complain_on_overflow */ | |
276 | bfd_elf_generic_reloc, /* special_function */ | |
277 | "R_TILEPRO_JOFFLONG_X1_PLT", /* name */ | |
278 | FALSE, /* partial_inplace */ | |
279 | 0, /* src_mask */ | |
280 | -1, /* dst_mask */ | |
07d6d2b8 | 281 | TRUE), /* pcrel_offset */ |
aa137e4d NC |
282 | |
283 | #define TILEPRO_IMM_HOWTO(name, size, bitsize) \ | |
284 | HOWTO (name, 0, size, bitsize, FALSE, 0, \ | |
07d6d2b8 AM |
285 | complain_overflow_signed, bfd_elf_generic_reloc, \ |
286 | #name, FALSE, 0, -1, FALSE) | |
aa137e4d NC |
287 | |
288 | #define TILEPRO_UIMM_HOWTO(name, size, bitsize) \ | |
289 | HOWTO (name, 0, size, bitsize, FALSE, 0, \ | |
07d6d2b8 AM |
290 | complain_overflow_unsigned, bfd_elf_generic_reloc, \ |
291 | #name, FALSE, 0, -1, FALSE) | |
aa137e4d NC |
292 | |
293 | TILEPRO_IMM_HOWTO(R_TILEPRO_IMM8_X0, 0, 8), | |
294 | TILEPRO_IMM_HOWTO(R_TILEPRO_IMM8_Y0, 0, 8), | |
295 | TILEPRO_IMM_HOWTO(R_TILEPRO_IMM8_X1, 0, 8), | |
296 | TILEPRO_IMM_HOWTO(R_TILEPRO_IMM8_Y1, 0, 8), | |
297 | TILEPRO_UIMM_HOWTO(R_TILEPRO_MT_IMM15_X1, 1, 15), | |
298 | TILEPRO_UIMM_HOWTO(R_TILEPRO_MF_IMM15_X1, 1, 15), | |
299 | TILEPRO_IMM_HOWTO(R_TILEPRO_IMM16_X0, 1, 16), | |
300 | TILEPRO_IMM_HOWTO(R_TILEPRO_IMM16_X1, 1, 16), | |
301 | ||
302 | #define TILEPRO_IMM16_HOWTO(name, rshift) \ | |
303 | HOWTO (name, rshift, 1, 16, FALSE, 0, \ | |
07d6d2b8 AM |
304 | complain_overflow_dont, bfd_elf_generic_reloc, \ |
305 | #name, FALSE, 0, 0xffff, FALSE) | |
aa137e4d NC |
306 | |
307 | TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X0_LO, 0), | |
308 | TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X1_LO, 0), | |
309 | TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X0_HI, 16), | |
310 | TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X1_HI, 16), | |
311 | TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X0_HA, 16), | |
312 | TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X1_HA, 16), | |
313 | ||
314 | /* PC-relative offsets. */ | |
315 | ||
316 | HOWTO (R_TILEPRO_IMM16_X0_PCREL, /* type */ | |
317 | 0, /* rightshift */ | |
318 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
319 | 16, /* bitsize */ | |
320 | TRUE, /* pc_relative */ | |
321 | 0, /* bitpos */ | |
322 | complain_overflow_signed, /* complain_on_overflow */ | |
323 | bfd_elf_generic_reloc, /* special_function */ | |
324 | "R_TILEPRO_IMM16_X0_PCREL",/* name */ | |
325 | FALSE, /* partial_inplace */ | |
326 | 0, /* src_mask */ | |
327 | -1, /* dst_mask */ | |
328 | TRUE), /* pcrel_offset */ | |
329 | ||
330 | HOWTO (R_TILEPRO_IMM16_X1_PCREL, /* type */ | |
331 | 0, /* rightshift */ | |
332 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
333 | 16, /* bitsize */ | |
334 | TRUE, /* pc_relative */ | |
335 | 0, /* bitpos */ | |
336 | complain_overflow_signed, /* complain_on_overflow */ | |
337 | bfd_elf_generic_reloc, /* special_function */ | |
338 | "R_TILEPRO_IMM16_X1_PCREL",/* name */ | |
339 | FALSE, /* partial_inplace */ | |
340 | 0, /* src_mask */ | |
341 | -1, /* dst_mask */ | |
342 | TRUE), /* pcrel_offset */ | |
343 | ||
344 | #define TILEPRO_IMM16_HOWTO_PCREL(name, rshift) \ | |
345 | HOWTO (name, rshift, 1, 16, TRUE, 0, \ | |
07d6d2b8 AM |
346 | complain_overflow_dont, bfd_elf_generic_reloc, \ |
347 | #name, FALSE, 0, 0xffff, TRUE) | |
aa137e4d NC |
348 | |
349 | TILEPRO_IMM16_HOWTO_PCREL (R_TILEPRO_IMM16_X0_LO_PCREL, 0), | |
350 | TILEPRO_IMM16_HOWTO_PCREL (R_TILEPRO_IMM16_X1_LO_PCREL, 0), | |
351 | TILEPRO_IMM16_HOWTO_PCREL (R_TILEPRO_IMM16_X0_HI_PCREL, 16), | |
352 | TILEPRO_IMM16_HOWTO_PCREL (R_TILEPRO_IMM16_X1_HI_PCREL, 16), | |
353 | TILEPRO_IMM16_HOWTO_PCREL (R_TILEPRO_IMM16_X0_HA_PCREL, 16), | |
354 | TILEPRO_IMM16_HOWTO_PCREL (R_TILEPRO_IMM16_X1_HA_PCREL, 16), | |
355 | ||
356 | /* Byte offset into GOT for a particular symbol. */ | |
357 | TILEPRO_IMM_HOWTO(R_TILEPRO_IMM16_X0_GOT, 1, 16), | |
358 | TILEPRO_IMM_HOWTO(R_TILEPRO_IMM16_X1_GOT, 1, 16), | |
359 | TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X0_GOT_LO, 0), | |
360 | TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X1_GOT_LO, 0), | |
361 | TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X0_GOT_HI, 16), | |
362 | TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X1_GOT_HI, 16), | |
363 | TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X0_GOT_HA, 16), | |
364 | TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X1_GOT_HA, 16), | |
365 | ||
366 | TILEPRO_UIMM_HOWTO(R_TILEPRO_MMSTART_X0, 0, 5), | |
367 | TILEPRO_UIMM_HOWTO(R_TILEPRO_MMEND_X0, 0, 5), | |
368 | TILEPRO_UIMM_HOWTO(R_TILEPRO_MMSTART_X1, 0, 5), | |
369 | TILEPRO_UIMM_HOWTO(R_TILEPRO_MMEND_X1, 0, 5), | |
370 | ||
371 | TILEPRO_UIMM_HOWTO(R_TILEPRO_SHAMT_X0, 0, 5), | |
372 | TILEPRO_UIMM_HOWTO(R_TILEPRO_SHAMT_X1, 0, 5), | |
373 | TILEPRO_UIMM_HOWTO(R_TILEPRO_SHAMT_Y0, 0, 5), | |
374 | TILEPRO_UIMM_HOWTO(R_TILEPRO_SHAMT_Y1, 0, 5), | |
375 | ||
376 | TILEPRO_IMM_HOWTO(R_TILEPRO_DEST_IMM8_X1, 0, 8), | |
377 | ||
378 | /* These relocs are currently not defined. */ | |
379 | EMPTY_HOWTO (56), | |
380 | EMPTY_HOWTO (57), | |
381 | EMPTY_HOWTO (58), | |
382 | EMPTY_HOWTO (59), | |
6f7be959 WL |
383 | |
384 | HOWTO (R_TILEPRO_TLS_GD_CALL, /* type */ | |
385 | TILEPRO_LOG2_BUNDLE_ALIGNMENT_IN_BYTES, /* rightshift */ | |
386 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
387 | 29, /* bitsize */ | |
388 | TRUE, /* pc_relative */ | |
389 | 0, /* bitpos */ | |
390 | complain_overflow_signed,/* complain_on_overflow */ | |
391 | bfd_elf_generic_reloc, /* special_function */ | |
392 | "R_TILEPRO_TLS_GD_CALL", /* name */ | |
393 | FALSE, /* partial_inplace */ | |
394 | 0, /* src_mask */ | |
395 | -1, /* dst_mask */ | |
07d6d2b8 | 396 | TRUE), /* pcrel_offset */ |
6f7be959 WL |
397 | |
398 | TILEPRO_IMM_HOWTO(R_TILEPRO_IMM8_X0_TLS_GD_ADD, 0, 8), | |
399 | TILEPRO_IMM_HOWTO(R_TILEPRO_IMM8_X1_TLS_GD_ADD, 0, 8), | |
400 | TILEPRO_IMM_HOWTO(R_TILEPRO_IMM8_Y0_TLS_GD_ADD, 0, 8), | |
401 | TILEPRO_IMM_HOWTO(R_TILEPRO_IMM8_Y1_TLS_GD_ADD, 0, 8), | |
402 | TILEPRO_IMM_HOWTO(R_TILEPRO_TLS_IE_LOAD, 0, 8), | |
aa137e4d NC |
403 | |
404 | /* Offsets into the GOT of TLS Descriptors. */ | |
405 | ||
406 | HOWTO (R_TILEPRO_IMM16_X0_TLS_GD,/* type */ | |
407 | 0, /* rightshift */ | |
408 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
409 | 16, /* bitsize */ | |
410 | FALSE, /* pc_relative */ | |
411 | 0, /* bitpos */ | |
412 | complain_overflow_signed, /* complain_on_overflow */ | |
413 | bfd_elf_generic_reloc, /* special_function */ | |
414 | "R_TILEPRO_IMM16_X0_TLS_GD",/* name */ | |
415 | FALSE, /* partial_inplace */ | |
416 | 0, /* src_mask */ | |
417 | 0xffff, /* dst_mask */ | |
418 | FALSE), /* pcrel_offset */ | |
419 | ||
420 | HOWTO (R_TILEPRO_IMM16_X1_TLS_GD,/* type */ | |
421 | 0, /* rightshift */ | |
422 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
423 | 16, /* bitsize */ | |
424 | FALSE, /* pc_relative */ | |
425 | 0, /* bitpos */ | |
426 | complain_overflow_signed, /* complain_on_overflow */ | |
427 | bfd_elf_generic_reloc, /* special_function */ | |
428 | "R_TILEPRO_IMM16_X1_TLS_GD",/* name */ | |
429 | FALSE, /* partial_inplace */ | |
430 | 0, /* src_mask */ | |
431 | 0xffff, /* dst_mask */ | |
432 | FALSE), /* pcrel_offset */ | |
433 | ||
434 | TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X0_TLS_GD_LO, 0), | |
435 | TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X1_TLS_GD_LO, 0), | |
436 | TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X0_TLS_GD_HI, 16), | |
437 | TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X1_TLS_GD_HI, 16), | |
438 | TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X0_TLS_GD_HA, 16), | |
439 | TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X1_TLS_GD_HA, 16), | |
440 | ||
441 | /* Offsets into the GOT of TLS Descriptors. */ | |
442 | ||
443 | HOWTO (R_TILEPRO_IMM16_X0_TLS_IE,/* type */ | |
444 | 0, /* rightshift */ | |
445 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
446 | 16, /* bitsize */ | |
447 | FALSE, /* pc_relative */ | |
448 | 0, /* bitpos */ | |
449 | complain_overflow_signed, /* complain_on_overflow */ | |
450 | bfd_elf_generic_reloc, /* special_function */ | |
451 | "R_TILEPRO_IMM16_X0_TLS_IE",/* name */ | |
452 | FALSE, /* partial_inplace */ | |
453 | 0, /* src_mask */ | |
454 | -1, /* dst_mask */ | |
455 | TRUE), /* pcrel_offset */ | |
456 | ||
457 | HOWTO (R_TILEPRO_IMM16_X1_TLS_IE,/* type */ | |
458 | 0, /* rightshift */ | |
459 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
460 | 16, /* bitsize */ | |
461 | FALSE, /* pc_relative */ | |
462 | 0, /* bitpos */ | |
463 | complain_overflow_signed, /* complain_on_overflow */ | |
464 | bfd_elf_generic_reloc, /* special_function */ | |
465 | "R_TILEPRO_IMM16_X1_TLS_IE",/* name */ | |
466 | FALSE, /* partial_inplace */ | |
467 | 0, /* src_mask */ | |
468 | -1, /* dst_mask */ | |
469 | TRUE), /* pcrel_offset */ | |
470 | ||
6f7be959 WL |
471 | TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X0_TLS_IE_LO, 0), |
472 | TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X1_TLS_IE_LO, 0), | |
473 | TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X0_TLS_IE_HI, 16), | |
474 | TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X1_TLS_IE_HI, 16), | |
475 | TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X0_TLS_IE_HA, 16), | |
476 | TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X1_TLS_IE_HA, 16), | |
aa137e4d NC |
477 | |
478 | /* These are common with the Solaris TLS implementation. */ | |
479 | HOWTO(R_TILEPRO_TLS_DTPMOD32, 0, 0, 0, FALSE, 0, complain_overflow_dont, | |
07d6d2b8 AM |
480 | bfd_elf_generic_reloc, "R_TILEPRO_TLS_DTPMOD32", |
481 | FALSE, 0, 0, TRUE), | |
aa137e4d | 482 | HOWTO(R_TILEPRO_TLS_DTPOFF32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield, |
07d6d2b8 AM |
483 | bfd_elf_generic_reloc, "R_TILEPRO_TLS_DTPOFF32", |
484 | FALSE, 0, 0xFFFFFFFF, TRUE), | |
aa137e4d | 485 | HOWTO(R_TILEPRO_TLS_TPOFF32, 0, 0, 0, FALSE, 0, complain_overflow_dont, |
07d6d2b8 AM |
486 | bfd_elf_generic_reloc, "R_TILEPRO_TLS_TPOFF32", |
487 | FALSE, 0, 0, TRUE), | |
aa137e4d | 488 | |
6f7be959 WL |
489 | HOWTO (R_TILEPRO_IMM16_X0_TLS_LE,/* type */ |
490 | 0, /* rightshift */ | |
491 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
492 | 16, /* bitsize */ | |
493 | FALSE, /* pc_relative */ | |
494 | 0, /* bitpos */ | |
495 | complain_overflow_signed, /* complain_on_overflow */ | |
496 | bfd_elf_generic_reloc, /* special_function */ | |
497 | "R_TILEPRO_IMM16_X0_TLS_LE",/* name */ | |
498 | FALSE, /* partial_inplace */ | |
499 | 0, /* src_mask */ | |
500 | -1, /* dst_mask */ | |
501 | TRUE), /* pcrel_offset */ | |
502 | ||
503 | HOWTO (R_TILEPRO_IMM16_X1_TLS_LE,/* type */ | |
504 | 0, /* rightshift */ | |
505 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
506 | 16, /* bitsize */ | |
507 | FALSE, /* pc_relative */ | |
508 | 0, /* bitpos */ | |
509 | complain_overflow_signed, /* complain_on_overflow */ | |
510 | bfd_elf_generic_reloc, /* special_function */ | |
511 | "R_TILEPRO_IMM16_X1_TLS_LE",/* name */ | |
512 | FALSE, /* partial_inplace */ | |
513 | 0, /* src_mask */ | |
514 | -1, /* dst_mask */ | |
515 | TRUE), /* pcrel_offset */ | |
516 | ||
517 | TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X0_TLS_LE_LO, 0), | |
518 | TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X1_TLS_LE_LO, 0), | |
519 | TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X0_TLS_LE_HI, 16), | |
520 | TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X1_TLS_LE_HI, 16), | |
521 | TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X0_TLS_LE_HA, 16), | |
522 | TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X1_TLS_LE_HA, 16), | |
aa137e4d NC |
523 | }; |
524 | ||
525 | static reloc_howto_type tilepro_elf_howto_table2 [] = | |
526 | { | |
527 | /* GNU extension to record C++ vtable hierarchy */ | |
528 | HOWTO (R_TILEPRO_GNU_VTINHERIT, /* type */ | |
07d6d2b8 AM |
529 | 0, /* rightshift */ |
530 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
531 | 0, /* bitsize */ | |
532 | FALSE, /* pc_relative */ | |
533 | 0, /* bitpos */ | |
534 | complain_overflow_dont, /* complain_on_overflow */ | |
535 | NULL, /* special_function */ | |
536 | "R_TILEPRO_GNU_VTINHERIT", /* name */ | |
537 | FALSE, /* partial_inplace */ | |
538 | 0, /* src_mask */ | |
539 | 0, /* dst_mask */ | |
540 | FALSE), /* pcrel_offset */ | |
aa137e4d NC |
541 | |
542 | /* GNU extension to record C++ vtable member usage */ | |
07d6d2b8 AM |
543 | HOWTO (R_TILEPRO_GNU_VTENTRY, /* type */ |
544 | 0, /* rightshift */ | |
545 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
546 | 0, /* bitsize */ | |
547 | FALSE, /* pc_relative */ | |
548 | 0, /* bitpos */ | |
549 | complain_overflow_dont, /* complain_on_overflow */ | |
550 | _bfd_elf_rel_vtable_reloc_fn, /* special_function */ | |
551 | "R_TILEPRO_GNU_VTENTRY", /* name */ | |
552 | FALSE, /* partial_inplace */ | |
553 | 0, /* src_mask */ | |
554 | 0, /* dst_mask */ | |
555 | FALSE), /* pcrel_offset */ | |
aa137e4d NC |
556 | |
557 | }; | |
558 | \f | |
559 | /* Map BFD reloc types to TILEPRO ELF reloc types. */ | |
560 | ||
561 | typedef struct tilepro_reloc_map | |
562 | { | |
563 | bfd_reloc_code_real_type bfd_reloc_val; | |
07d6d2b8 AM |
564 | unsigned int tilepro_reloc_val; |
565 | reloc_howto_type * table; | |
aa137e4d NC |
566 | } reloc_map; |
567 | ||
568 | static const reloc_map tilepro_reloc_map [] = | |
569 | { | |
570 | #define TH_REMAP(bfd, tilepro) \ | |
571 | { bfd, tilepro, tilepro_elf_howto_table }, | |
572 | ||
573 | /* Standard relocations. */ | |
07d6d2b8 AM |
574 | TH_REMAP (BFD_RELOC_NONE, R_TILEPRO_NONE) |
575 | TH_REMAP (BFD_RELOC_32, R_TILEPRO_32) | |
576 | TH_REMAP (BFD_RELOC_16, R_TILEPRO_16) | |
577 | TH_REMAP (BFD_RELOC_8, R_TILEPRO_8) | |
578 | TH_REMAP (BFD_RELOC_32_PCREL, R_TILEPRO_32_PCREL) | |
579 | TH_REMAP (BFD_RELOC_16_PCREL, R_TILEPRO_16_PCREL) | |
580 | TH_REMAP (BFD_RELOC_8_PCREL, R_TILEPRO_8_PCREL) | |
581 | TH_REMAP (BFD_RELOC_LO16, R_TILEPRO_LO16) | |
582 | TH_REMAP (BFD_RELOC_HI16, R_TILEPRO_HI16) | |
583 | TH_REMAP (BFD_RELOC_HI16_S, R_TILEPRO_HA16) | |
aa137e4d NC |
584 | |
585 | /* Custom relocations. */ | |
07d6d2b8 AM |
586 | TH_REMAP (BFD_RELOC_TILEPRO_COPY, R_TILEPRO_COPY) |
587 | TH_REMAP (BFD_RELOC_TILEPRO_GLOB_DAT, R_TILEPRO_GLOB_DAT) | |
588 | TH_REMAP (BFD_RELOC_TILEPRO_JMP_SLOT, R_TILEPRO_JMP_SLOT) | |
589 | TH_REMAP (BFD_RELOC_TILEPRO_RELATIVE, R_TILEPRO_RELATIVE) | |
590 | TH_REMAP (BFD_RELOC_TILEPRO_BROFF_X1, R_TILEPRO_BROFF_X1) | |
aa137e4d NC |
591 | TH_REMAP (BFD_RELOC_TILEPRO_JOFFLONG_X1, R_TILEPRO_JOFFLONG_X1) |
592 | TH_REMAP (BFD_RELOC_TILEPRO_JOFFLONG_X1_PLT, R_TILEPRO_JOFFLONG_X1_PLT) | |
07d6d2b8 AM |
593 | TH_REMAP (BFD_RELOC_TILEPRO_IMM8_X0, R_TILEPRO_IMM8_X0) |
594 | TH_REMAP (BFD_RELOC_TILEPRO_IMM8_Y0, R_TILEPRO_IMM8_Y0) | |
595 | TH_REMAP (BFD_RELOC_TILEPRO_IMM8_X1, R_TILEPRO_IMM8_X1) | |
596 | TH_REMAP (BFD_RELOC_TILEPRO_IMM8_Y1, R_TILEPRO_IMM8_Y1) | |
aa137e4d NC |
597 | TH_REMAP (BFD_RELOC_TILEPRO_DEST_IMM8_X1, R_TILEPRO_DEST_IMM8_X1) |
598 | TH_REMAP (BFD_RELOC_TILEPRO_MT_IMM15_X1, R_TILEPRO_MT_IMM15_X1) | |
599 | TH_REMAP (BFD_RELOC_TILEPRO_MF_IMM15_X1, R_TILEPRO_MF_IMM15_X1) | |
07d6d2b8 AM |
600 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0, R_TILEPRO_IMM16_X0) |
601 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1, R_TILEPRO_IMM16_X1) | |
aa137e4d NC |
602 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_LO, R_TILEPRO_IMM16_X0_LO) |
603 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_LO, R_TILEPRO_IMM16_X1_LO) | |
604 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_HI, R_TILEPRO_IMM16_X0_HI) | |
605 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_HI, R_TILEPRO_IMM16_X1_HI) | |
606 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_HA, R_TILEPRO_IMM16_X0_HA) | |
607 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_HA, R_TILEPRO_IMM16_X1_HA) | |
608 | ||
07d6d2b8 AM |
609 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_PCREL, R_TILEPRO_IMM16_X0_PCREL) |
610 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_PCREL, R_TILEPRO_IMM16_X1_PCREL) | |
aa137e4d NC |
611 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_LO_PCREL, R_TILEPRO_IMM16_X0_LO_PCREL) |
612 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_LO_PCREL, R_TILEPRO_IMM16_X1_LO_PCREL) | |
613 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_HI_PCREL, R_TILEPRO_IMM16_X0_HI_PCREL) | |
614 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_HI_PCREL, R_TILEPRO_IMM16_X1_HI_PCREL) | |
615 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_HA_PCREL, R_TILEPRO_IMM16_X0_HA_PCREL) | |
616 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_HA_PCREL, R_TILEPRO_IMM16_X1_HA_PCREL) | |
617 | ||
618 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_GOT, R_TILEPRO_IMM16_X0_GOT) | |
619 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_GOT, R_TILEPRO_IMM16_X1_GOT) | |
620 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_GOT_LO, R_TILEPRO_IMM16_X0_GOT_LO) | |
621 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_GOT_LO, R_TILEPRO_IMM16_X1_GOT_LO) | |
622 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_GOT_HI, R_TILEPRO_IMM16_X0_GOT_HI) | |
623 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_GOT_HI, R_TILEPRO_IMM16_X1_GOT_HI) | |
624 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_GOT_HA, R_TILEPRO_IMM16_X0_GOT_HA) | |
625 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_GOT_HA, R_TILEPRO_IMM16_X1_GOT_HA) | |
626 | ||
627 | TH_REMAP (BFD_RELOC_TILEPRO_MMSTART_X0, R_TILEPRO_MMSTART_X0) | |
07d6d2b8 | 628 | TH_REMAP (BFD_RELOC_TILEPRO_MMEND_X0, R_TILEPRO_MMEND_X0) |
aa137e4d | 629 | TH_REMAP (BFD_RELOC_TILEPRO_MMSTART_X1, R_TILEPRO_MMSTART_X1) |
07d6d2b8 AM |
630 | TH_REMAP (BFD_RELOC_TILEPRO_MMEND_X1, R_TILEPRO_MMEND_X1) |
631 | TH_REMAP (BFD_RELOC_TILEPRO_SHAMT_X0, R_TILEPRO_SHAMT_X0) | |
632 | TH_REMAP (BFD_RELOC_TILEPRO_SHAMT_X1, R_TILEPRO_SHAMT_X1) | |
633 | TH_REMAP (BFD_RELOC_TILEPRO_SHAMT_Y0, R_TILEPRO_SHAMT_Y0) | |
634 | TH_REMAP (BFD_RELOC_TILEPRO_SHAMT_Y1, R_TILEPRO_SHAMT_Y1) | |
aa137e4d | 635 | |
07d6d2b8 | 636 | TH_REMAP (BFD_RELOC_TILEPRO_TLS_GD_CALL, R_TILEPRO_TLS_GD_CALL) |
6f7be959 WL |
637 | TH_REMAP (BFD_RELOC_TILEPRO_IMM8_X0_TLS_GD_ADD, R_TILEPRO_IMM8_X0_TLS_GD_ADD) |
638 | TH_REMAP (BFD_RELOC_TILEPRO_IMM8_X1_TLS_GD_ADD, R_TILEPRO_IMM8_X1_TLS_GD_ADD) | |
639 | TH_REMAP (BFD_RELOC_TILEPRO_IMM8_Y0_TLS_GD_ADD, R_TILEPRO_IMM8_Y0_TLS_GD_ADD) | |
640 | TH_REMAP (BFD_RELOC_TILEPRO_IMM8_Y1_TLS_GD_ADD, R_TILEPRO_IMM8_Y1_TLS_GD_ADD) | |
07d6d2b8 | 641 | TH_REMAP (BFD_RELOC_TILEPRO_TLS_IE_LOAD, R_TILEPRO_TLS_IE_LOAD) |
6f7be959 | 642 | |
07d6d2b8 AM |
643 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_TLS_GD, R_TILEPRO_IMM16_X0_TLS_GD) |
644 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_TLS_GD, R_TILEPRO_IMM16_X1_TLS_GD) | |
aa137e4d NC |
645 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_TLS_GD_LO, R_TILEPRO_IMM16_X0_TLS_GD_LO) |
646 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_TLS_GD_LO, R_TILEPRO_IMM16_X1_TLS_GD_LO) | |
647 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_TLS_GD_HI, R_TILEPRO_IMM16_X0_TLS_GD_HI) | |
648 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_TLS_GD_HI, R_TILEPRO_IMM16_X1_TLS_GD_HI) | |
649 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_TLS_GD_HA, R_TILEPRO_IMM16_X0_TLS_GD_HA) | |
650 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_TLS_GD_HA, R_TILEPRO_IMM16_X1_TLS_GD_HA) | |
651 | ||
07d6d2b8 AM |
652 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_TLS_IE, R_TILEPRO_IMM16_X0_TLS_IE) |
653 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_TLS_IE, R_TILEPRO_IMM16_X1_TLS_IE) | |
aa137e4d NC |
654 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_TLS_IE_LO, R_TILEPRO_IMM16_X0_TLS_IE_LO) |
655 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_TLS_IE_LO, R_TILEPRO_IMM16_X1_TLS_IE_LO) | |
656 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_TLS_IE_HI, R_TILEPRO_IMM16_X0_TLS_IE_HI) | |
657 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_TLS_IE_HI, R_TILEPRO_IMM16_X1_TLS_IE_HI) | |
658 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_TLS_IE_HA, R_TILEPRO_IMM16_X0_TLS_IE_HA) | |
659 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_TLS_IE_HA, R_TILEPRO_IMM16_X1_TLS_IE_HA) | |
660 | ||
661 | TH_REMAP (BFD_RELOC_TILEPRO_TLS_DTPMOD32, R_TILEPRO_TLS_DTPMOD32) | |
662 | TH_REMAP (BFD_RELOC_TILEPRO_TLS_DTPOFF32, R_TILEPRO_TLS_DTPOFF32) | |
663 | TH_REMAP (BFD_RELOC_TILEPRO_TLS_TPOFF32, R_TILEPRO_TLS_TPOFF32) | |
664 | ||
07d6d2b8 AM |
665 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_TLS_LE, R_TILEPRO_IMM16_X0_TLS_LE) |
666 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_TLS_LE, R_TILEPRO_IMM16_X1_TLS_LE) | |
6f7be959 WL |
667 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_TLS_LE_LO, R_TILEPRO_IMM16_X0_TLS_LE_LO) |
668 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_TLS_LE_LO, R_TILEPRO_IMM16_X1_TLS_LE_LO) | |
669 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_TLS_LE_HI, R_TILEPRO_IMM16_X0_TLS_LE_HI) | |
670 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_TLS_LE_HI, R_TILEPRO_IMM16_X1_TLS_LE_HI) | |
671 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_TLS_LE_HA, R_TILEPRO_IMM16_X0_TLS_LE_HA) | |
672 | TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_TLS_LE_HA, R_TILEPRO_IMM16_X1_TLS_LE_HA) | |
673 | ||
aa137e4d NC |
674 | #undef TH_REMAP |
675 | ||
676 | { BFD_RELOC_VTABLE_INHERIT, R_TILEPRO_GNU_VTINHERIT, tilepro_elf_howto_table2 }, | |
677 | { BFD_RELOC_VTABLE_ENTRY, R_TILEPRO_GNU_VTENTRY, tilepro_elf_howto_table2 }, | |
678 | }; | |
679 | ||
680 | ||
681 | ||
aa137e4d NC |
682 | /* TILEPRO ELF linker hash entry. */ |
683 | ||
684 | struct tilepro_elf_link_hash_entry | |
685 | { | |
686 | struct elf_link_hash_entry elf; | |
687 | ||
688 | /* Track dynamic relocs copied for this symbol. */ | |
3bf083ed | 689 | struct elf_dyn_relocs *dyn_relocs; |
aa137e4d NC |
690 | |
691 | #define GOT_UNKNOWN 0 | |
692 | #define GOT_NORMAL 1 | |
693 | #define GOT_TLS_GD 2 | |
694 | #define GOT_TLS_IE 4 | |
695 | unsigned char tls_type; | |
696 | }; | |
697 | ||
698 | #define tilepro_elf_hash_entry(ent) \ | |
699 | ((struct tilepro_elf_link_hash_entry *)(ent)) | |
700 | ||
701 | struct _bfd_tilepro_elf_obj_tdata | |
702 | { | |
703 | struct elf_obj_tdata root; | |
704 | ||
705 | /* tls_type for each local got entry. */ | |
706 | char *local_got_tls_type; | |
707 | }; | |
708 | ||
709 | #define _bfd_tilepro_elf_tdata(abfd) \ | |
710 | ((struct _bfd_tilepro_elf_obj_tdata *) (abfd)->tdata.any) | |
711 | ||
712 | #define _bfd_tilepro_elf_local_got_tls_type(abfd) \ | |
713 | (_bfd_tilepro_elf_tdata (abfd)->local_got_tls_type) | |
714 | ||
715 | #define is_tilepro_elf(bfd) \ | |
716 | (bfd_get_flavour (bfd) == bfd_target_elf_flavour \ | |
717 | && elf_tdata (bfd) != NULL \ | |
718 | && elf_object_id (bfd) == TILEPRO_ELF_DATA) | |
719 | ||
a412bee5 MR |
720 | /* Allocate TILEPro ELF private object data. */ |
721 | ||
722 | static bfd_boolean | |
723 | tilepro_elf_mkobject (bfd *abfd) | |
724 | { | |
725 | return bfd_elf_allocate_object (abfd, | |
726 | sizeof (struct _bfd_tilepro_elf_obj_tdata), | |
727 | TILEPRO_ELF_DATA); | |
728 | } | |
729 | ||
aa137e4d NC |
730 | #include "elf/common.h" |
731 | #include "elf/internal.h" | |
732 | ||
733 | struct tilepro_elf_link_hash_table | |
734 | { | |
735 | struct elf_link_hash_table elf; | |
736 | ||
aa137e4d NC |
737 | /* Small local sym to section mapping cache. */ |
738 | struct sym_cache sym_cache; | |
739 | }; | |
740 | ||
741 | /* Get the Tilepro ELF linker hash table from a link_info structure. */ | |
742 | #define tilepro_elf_hash_table(p) \ | |
743 | (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \ | |
744 | == TILEPRO_ELF_DATA \ | |
745 | ? ((struct tilepro_elf_link_hash_table *) ((p)->hash)) : NULL) | |
746 | ||
747 | static reloc_howto_type * | |
748 | tilepro_reloc_type_lookup (bfd * abfd ATTRIBUTE_UNUSED, | |
07d6d2b8 | 749 | bfd_reloc_code_real_type code) |
aa137e4d NC |
750 | { |
751 | unsigned int i; | |
752 | ||
0ba38529 | 753 | for (i = ARRAY_SIZE (tilepro_reloc_map); i--;) |
aa137e4d NC |
754 | { |
755 | const reloc_map * entry; | |
756 | ||
757 | entry = tilepro_reloc_map + i; | |
758 | ||
759 | if (entry->bfd_reloc_val == code) | |
760 | return entry->table + (entry->tilepro_reloc_val | |
761 | - entry->table[0].type); | |
762 | } | |
763 | ||
764 | return NULL; | |
765 | } | |
766 | ||
767 | static reloc_howto_type * | |
768 | tilepro_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, | |
769 | const char *r_name) | |
770 | { | |
771 | unsigned int i; | |
772 | ||
773 | for (i = 0; | |
774 | i < (sizeof (tilepro_elf_howto_table) | |
07d6d2b8 | 775 | / sizeof (tilepro_elf_howto_table[0])); |
aa137e4d NC |
776 | i++) |
777 | if (tilepro_elf_howto_table[i].name != NULL | |
07d6d2b8 | 778 | && strcasecmp (tilepro_elf_howto_table[i].name, r_name) == 0) |
aa137e4d NC |
779 | return &tilepro_elf_howto_table[i]; |
780 | ||
781 | return NULL; | |
782 | } | |
783 | ||
784 | /* Set the howto pointer for an TILEPro ELF reloc. */ | |
785 | ||
f3185997 | 786 | static bfd_boolean |
aa137e4d | 787 | tilepro_info_to_howto_rela (bfd * abfd ATTRIBUTE_UNUSED, |
07d6d2b8 AM |
788 | arelent * cache_ptr, |
789 | Elf_Internal_Rela * dst) | |
aa137e4d NC |
790 | { |
791 | unsigned int r_type = ELF32_R_TYPE (dst->r_info); | |
792 | ||
6f7be959 | 793 | if (r_type <= (unsigned int) R_TILEPRO_IMM16_X1_TLS_LE_HA) |
aa137e4d NC |
794 | cache_ptr->howto = &tilepro_elf_howto_table [r_type]; |
795 | else if (r_type - R_TILEPRO_GNU_VTINHERIT | |
f3185997 NC |
796 | <= ((unsigned int) R_TILEPRO_GNU_VTENTRY |
797 | - (unsigned int) R_TILEPRO_GNU_VTINHERIT)) | |
aa137e4d NC |
798 | cache_ptr->howto |
799 | = &tilepro_elf_howto_table2 [r_type - R_TILEPRO_GNU_VTINHERIT]; | |
800 | else | |
f3185997 NC |
801 | { |
802 | /* xgettext:c-format */ | |
803 | _bfd_error_handler (_("%pB: unsupported relocation type %#x"), | |
804 | abfd, r_type); | |
805 | bfd_set_error (bfd_error_bad_value); | |
806 | return FALSE; | |
807 | } | |
808 | return TRUE; | |
aa137e4d NC |
809 | } |
810 | ||
811 | typedef tilepro_bundle_bits (*tilepro_create_func)(int); | |
812 | ||
813 | static const tilepro_create_func reloc_to_create_func[] = | |
814 | { | |
815 | /* The first fourteen relocation types don't correspond to operands */ | |
816 | NULL, | |
817 | NULL, | |
818 | NULL, | |
819 | NULL, | |
820 | NULL, | |
821 | NULL, | |
822 | NULL, | |
823 | NULL, | |
824 | NULL, | |
825 | NULL, | |
826 | NULL, | |
827 | NULL, | |
828 | NULL, | |
829 | NULL, | |
830 | ||
831 | /* The remaining relocations are used for immediate operands */ | |
832 | create_BrOff_X1, | |
833 | create_JOffLong_X1, | |
834 | create_JOffLong_X1, | |
835 | create_Imm8_X0, | |
836 | create_Imm8_Y0, | |
837 | create_Imm8_X1, | |
838 | create_Imm8_Y1, | |
839 | create_MT_Imm15_X1, | |
840 | create_MF_Imm15_X1, | |
841 | create_Imm16_X0, | |
842 | create_Imm16_X1, | |
843 | create_Imm16_X0, | |
844 | create_Imm16_X1, | |
845 | create_Imm16_X0, | |
846 | create_Imm16_X1, | |
847 | create_Imm16_X0, | |
848 | create_Imm16_X1, | |
849 | create_Imm16_X0, | |
850 | create_Imm16_X1, | |
851 | create_Imm16_X0, | |
852 | create_Imm16_X1, | |
853 | create_Imm16_X0, | |
854 | create_Imm16_X1, | |
855 | create_Imm16_X0, | |
856 | create_Imm16_X1, | |
857 | create_Imm16_X0, | |
858 | create_Imm16_X1, | |
859 | create_Imm16_X0, | |
860 | create_Imm16_X1, | |
861 | create_Imm16_X0, | |
862 | create_Imm16_X1, | |
863 | create_Imm16_X0, | |
864 | create_Imm16_X1, | |
865 | create_MMStart_X0, | |
866 | create_MMEnd_X0, | |
867 | create_MMStart_X1, | |
868 | create_MMEnd_X1, | |
869 | create_ShAmt_X0, | |
870 | create_ShAmt_X1, | |
871 | create_ShAmt_Y0, | |
872 | create_ShAmt_Y1, | |
873 | ||
874 | create_Dest_Imm8_X1, | |
875 | NULL, | |
876 | NULL, | |
877 | NULL, | |
878 | NULL, | |
879 | NULL, | |
880 | NULL, | |
881 | NULL, | |
882 | NULL, | |
883 | NULL, | |
884 | NULL, | |
885 | ||
886 | create_Imm16_X0, | |
887 | create_Imm16_X1, | |
888 | create_Imm16_X0, | |
889 | create_Imm16_X1, | |
890 | create_Imm16_X0, | |
891 | create_Imm16_X1, | |
892 | create_Imm16_X0, | |
893 | create_Imm16_X1, | |
894 | create_Imm16_X0, | |
895 | create_Imm16_X1, | |
896 | create_Imm16_X0, | |
897 | create_Imm16_X1, | |
898 | create_Imm16_X0, | |
899 | create_Imm16_X1, | |
900 | create_Imm16_X0, | |
6f7be959 WL |
901 | create_Imm16_X1, |
902 | ||
903 | NULL, | |
904 | NULL, | |
905 | NULL, | |
906 | ||
907 | create_Imm16_X0, | |
908 | create_Imm16_X1, | |
909 | create_Imm16_X0, | |
910 | create_Imm16_X1, | |
911 | create_Imm16_X0, | |
912 | create_Imm16_X1, | |
913 | create_Imm16_X0, | |
914 | create_Imm16_X1, | |
aa137e4d NC |
915 | }; |
916 | ||
917 | #define NELEMS(a) ((int) (sizeof (a) / sizeof ((a)[0]))) | |
918 | ||
919 | /* Support for core dump NOTE sections. */ | |
920 | ||
921 | static bfd_boolean | |
922 | tilepro_elf_grok_prstatus (bfd *abfd, Elf_Internal_Note *note) | |
923 | { | |
924 | int offset; | |
925 | size_t size; | |
926 | ||
927 | if (note->descsz != TILEPRO_PRSTATUS_SIZEOF) | |
928 | return FALSE; | |
929 | ||
930 | /* pr_cursig */ | |
228e534f | 931 | elf_tdata (abfd)->core->signal = |
aa137e4d NC |
932 | bfd_get_16 (abfd, note->descdata + TILEPRO_PRSTATUS_OFFSET_PR_CURSIG); |
933 | ||
934 | /* pr_pid */ | |
228e534f | 935 | elf_tdata (abfd)->core->pid = |
aa137e4d NC |
936 | bfd_get_32 (abfd, note->descdata + TILEPRO_PRSTATUS_OFFSET_PR_PID); |
937 | ||
938 | /* pr_reg */ | |
939 | offset = TILEPRO_PRSTATUS_OFFSET_PR_REG; | |
940 | size = TILEPRO_GREGSET_T_SIZE; | |
941 | ||
942 | /* Make a ".reg/999" section. */ | |
943 | return _bfd_elfcore_make_pseudosection (abfd, ".reg", | |
944 | size, note->descpos + offset); | |
945 | } | |
946 | ||
947 | static bfd_boolean | |
948 | tilepro_elf_grok_psinfo (bfd *abfd, Elf_Internal_Note *note) | |
949 | { | |
950 | if (note->descsz != TILEPRO_PRPSINFO_SIZEOF) | |
951 | return FALSE; | |
952 | ||
228e534f | 953 | elf_tdata (abfd)->core->program |
aa137e4d NC |
954 | = _bfd_elfcore_strndup (abfd, |
955 | note->descdata + TILEPRO_PRPSINFO_OFFSET_PR_FNAME, | |
956 | 16); | |
228e534f | 957 | elf_tdata (abfd)->core->command |
aa137e4d NC |
958 | = _bfd_elfcore_strndup (abfd, |
959 | note->descdata + TILEPRO_PRPSINFO_OFFSET_PR_PSARGS, | |
960 | ELF_PR_PSARGS_SIZE); | |
961 | ||
962 | ||
963 | /* Note that for some reason, a spurious space is tacked | |
964 | onto the end of the args in some (at least one anyway) | |
965 | implementations, so strip it off if it exists. */ | |
966 | { | |
228e534f | 967 | char *command = elf_tdata (abfd)->core->command; |
aa137e4d NC |
968 | int n = strlen (command); |
969 | ||
970 | if (0 < n && command[n - 1] == ' ') | |
971 | command[n - 1] = '\0'; | |
972 | } | |
973 | ||
974 | return TRUE; | |
975 | } | |
976 | ||
977 | ||
978 | static void | |
979 | tilepro_elf_append_rela_32 (bfd *abfd, asection *s, Elf_Internal_Rela *rel) | |
980 | { | |
981 | Elf32_External_Rela *loc32; | |
982 | ||
983 | loc32 = (Elf32_External_Rela *) s->contents; | |
984 | loc32 += s->reloc_count++; | |
985 | bfd_elf32_swap_reloca_out (abfd, rel, (bfd_byte *) loc32); | |
986 | } | |
987 | ||
988 | /* PLT/GOT stuff */ | |
989 | ||
990 | /* The procedure linkage table starts with the following header: | |
991 | ||
992 | { | |
07d6d2b8 | 993 | rli r29, r29, 16 |
aa137e4d NC |
994 | lwadd r28, r27, 4 |
995 | } | |
07d6d2b8 | 996 | lw r27, r27 |
aa137e4d | 997 | { |
07d6d2b8 AM |
998 | info 10 ## SP not offset, return PC in LR |
999 | jr r27 | |
aa137e4d NC |
1000 | } |
1001 | ||
1002 | Subsequent entries are the following, jumping to the header at the end: | |
1003 | ||
07d6d2b8 | 1004 | lnk r28 |
aa137e4d NC |
1005 | 1: |
1006 | { | |
1007 | auli r28, r28, <_GLOBAL_OFFSET_TABLE_ - 1b + MY_GOT_OFFSET> | |
1008 | auli r27, r28, <_GLOBAL_OFFSET_TABLE_ - 1b> | |
1009 | } | |
1010 | { | |
1011 | addli r28, r28, <_GLOBAL_OFFSET_TABLE_ - 1b + MY_GOT_OFFSET> | |
1012 | addli r27, r27, <_GLOBAL_OFFSET_TABLE_ - 1b> | |
1013 | } | |
1014 | { | |
1015 | auli r29, zero, MY_PLT_INDEX | |
07d6d2b8 | 1016 | lw r28, r28 |
aa137e4d NC |
1017 | } |
1018 | { | |
07d6d2b8 AM |
1019 | info 10 ## SP not offset, return PC in LR |
1020 | jr r28 | |
aa137e4d NC |
1021 | } |
1022 | ||
1023 | We initially store MY_PLT_INDEX in the high bits so that we can use the all | |
1024 | 16 bits as an unsigned offset; if we use the low bits we would get an | |
1025 | unwanted sign extension. The PLT header then rotates the index to get the | |
1026 | right value, before calling the resolution routine. This computation can | |
1027 | fit in unused bundle slots so it's free. | |
1028 | ||
1029 | This code sequence lets the code at at the start of the PLT determine | |
1030 | which PLT entry was executed by examining 'r29'. | |
1031 | ||
1032 | Note that MY_PLT_INDEX skips over the header entries, so the first | |
1033 | actual jump table entry has index zero. | |
1034 | */ | |
1035 | ||
1036 | #define PLT_HEADER_SIZE_IN_BUNDLES 3 | |
1037 | #define PLT_ENTRY_SIZE_IN_BUNDLES 5 | |
1038 | ||
1039 | #define PLT_HEADER_SIZE \ | |
1040 | (PLT_HEADER_SIZE_IN_BUNDLES * TILEPRO_BUNDLE_SIZE_IN_BYTES) | |
1041 | #define PLT_ENTRY_SIZE \ | |
1042 | (PLT_ENTRY_SIZE_IN_BUNDLES * TILEPRO_BUNDLE_SIZE_IN_BYTES) | |
1043 | ||
1044 | /* The size in bytes of an entry in the global offset table. */ | |
1045 | ||
1046 | #define GOT_ENTRY_SIZE TILEPRO_BYTES_PER_WORD | |
1047 | ||
1048 | #define GOTPLT_HEADER_SIZE (2 * GOT_ENTRY_SIZE) | |
1049 | ||
1050 | ||
1051 | static const bfd_byte | |
1052 | tilepro_plt0_entry[PLT_HEADER_SIZE] = | |
1053 | { | |
1054 | 0x5d, 0x07, 0x03, 0x70, | |
1055 | 0x6e, 0x23, 0xd0, 0x30, /* { rli r29, r29, 16 ; lwadd r28, r27, 4 } */ | |
1056 | 0x00, 0x50, 0xba, 0x6d, | |
1057 | 0x00, 0x08, 0x6d, 0xdc, /* { lw r27, r27 } */ | |
1058 | 0xff, 0xaf, 0x10, 0x50, | |
1059 | 0x60, 0x03, 0x18, 0x08, /* { info 10 ; jr r27 } */ | |
1060 | }; | |
1061 | ||
1062 | static const bfd_byte | |
1063 | tilepro_short_plt_entry[PLT_ENTRY_SIZE] = | |
1064 | { | |
1065 | 0x00, 0x50, 0x16, 0x70, | |
1066 | 0x0e, 0x00, 0x1a, 0x08, /* { lnk r28 } */ | |
1067 | 0x1c, 0x07, 0x00, 0xa0, | |
1068 | 0x8d, 0x03, 0x00, 0x18, /* { addli r28, r28, 0 ; addli r27, r28, 0 } */ | |
1069 | 0xdd, 0x0f, 0x00, 0x30, | |
1070 | 0x8e, 0x73, 0x0b, 0x40, /* { auli r29, zero, 0 ; lw r28, r28 } */ | |
1071 | 0xff, 0xaf, 0x10, 0x50, | |
1072 | 0x80, 0x03, 0x18, 0x08, /* { info 10 ; jr r28 } */ | |
1073 | 0x00, 0x00, 0x00, 0x00, | |
1074 | 0x00, 0x00, 0x00, 0x00, | |
1075 | }; | |
1076 | ||
1077 | static const bfd_byte | |
1078 | tilepro_long_plt_entry[PLT_ENTRY_SIZE] = | |
1079 | { | |
1080 | 0x00, 0x50, 0x16, 0x70, | |
1081 | 0x0e, 0x00, 0x1a, 0x08, /* { lnk r28 } */ | |
1082 | 0x1c, 0x07, 0x00, 0xb0, | |
1083 | 0x8d, 0x03, 0x00, 0x20, /* { auli r28, r28, 0 ; auli r27, r28, 0 } */ | |
1084 | 0x1c, 0x07, 0x00, 0xa0, | |
1085 | 0x6d, 0x03, 0x00, 0x18, /* { addli r28, r28, 0 ; addli r27, r27, 0 } */ | |
1086 | 0xdd, 0x0f, 0x00, 0x30, | |
1087 | 0x8e, 0x73, 0x0b, 0x40, /* { auli r29, zero, 0 ; lw r28, r28 } */ | |
1088 | 0xff, 0xaf, 0x10, 0x50, | |
1089 | 0x80, 0x03, 0x18, 0x08, /* { info 10 ; jr r28 } */ | |
1090 | }; | |
1091 | ||
1092 | static bfd_vma | |
1093 | tilepro_ha16(bfd_vma vma) | |
1094 | { | |
1095 | return ((vma >> 16) + ((vma >> 15) & 1)) & 0xffff; | |
1096 | } | |
1097 | ||
1098 | static int | |
1099 | tilepro_plt_entry_build (asection *splt, asection *sgotplt, bfd_vma offset, | |
1100 | bfd_vma *r_offset) | |
1101 | { | |
663b5850 | 1102 | int plt_index = (offset - PLT_ENTRY_SIZE) / PLT_ENTRY_SIZE; |
aa137e4d NC |
1103 | int got_offset = plt_index * GOT_ENTRY_SIZE + GOTPLT_HEADER_SIZE; |
1104 | tilepro_bundle_bits *pc; | |
1105 | ||
1106 | /* Compute the distance from the got entry to the lnk. */ | |
1107 | bfd_signed_vma dist_got_entry = sgotplt->output_section->vma | |
1108 | + sgotplt->output_offset | |
1109 | + got_offset | |
1110 | - splt->output_section->vma | |
1111 | - splt->output_offset | |
1112 | - offset | |
1113 | - TILEPRO_BUNDLE_SIZE_IN_BYTES; | |
1114 | ||
1115 | /* Compute the distance to GOTPLT[0]. */ | |
1116 | bfd_signed_vma dist_got0 = dist_got_entry - got_offset; | |
1117 | ||
1118 | /* Check whether we can use the short plt entry with 16-bit offset. */ | |
1119 | bfd_boolean short_plt_entry = | |
1120 | (dist_got_entry <= 0x7fff && dist_got0 >= -0x8000); | |
1121 | ||
1122 | /* Copy the plt entry template. */ | |
1123 | memcpy (splt->contents + offset, | |
1124 | short_plt_entry ? tilepro_short_plt_entry : tilepro_long_plt_entry, | |
1125 | PLT_ENTRY_SIZE); | |
1126 | ||
1127 | /* Write the immediate offsets. */ | |
1128 | pc = (tilepro_bundle_bits *)(splt->contents + offset); | |
1129 | pc++; | |
1130 | ||
1131 | if (!short_plt_entry) | |
1132 | { | |
1133 | /* { auli r28, r28, &GOTPLT[MY_GOT_INDEX] ; auli r27, r28, &GOTPLT[0] } */ | |
1134 | *pc++ |= create_Imm16_X0 (tilepro_ha16 (dist_got_entry)) | |
1135 | | create_Imm16_X1 (tilepro_ha16 (dist_got0)); | |
1136 | } | |
1137 | ||
1138 | /* { addli r28, r28, &GOTPLT[MY_GOT_INDEX] ; addli r27, r28, &GOTPLT[0] } or | |
1139 | { addli r28, r28, &GOTPLT[MY_GOT_INDEX] ; addli r27, r27, &GOTPLT[0] } */ | |
1140 | *pc++ |= create_Imm16_X0 (dist_got_entry) | |
1141 | | create_Imm16_X1 (dist_got0); | |
1142 | ||
1143 | /* { auli r29, zero, MY_PLT_INDEX ; lw r28, r28 } */ | |
1144 | *pc |= create_Imm16_X0 (plt_index); | |
1145 | ||
1146 | /* Set the relocation offset. */ | |
1147 | *r_offset = got_offset; | |
1148 | ||
1149 | return plt_index; | |
1150 | } | |
1151 | ||
1152 | #define TILEPRO_ELF_RELA_BYTES (sizeof(Elf32_External_Rela)) | |
1153 | ||
1154 | ||
1155 | /* Create an entry in an TILEPro ELF linker hash table. */ | |
1156 | ||
1157 | static struct bfd_hash_entry * | |
1158 | link_hash_newfunc (struct bfd_hash_entry *entry, | |
1159 | struct bfd_hash_table *table, const char *string) | |
1160 | { | |
1161 | /* Allocate the structure if it has not already been allocated by a | |
1162 | subclass. */ | |
1163 | if (entry == NULL) | |
1164 | { | |
1165 | entry = | |
07d6d2b8 AM |
1166 | bfd_hash_allocate (table, |
1167 | sizeof (struct tilepro_elf_link_hash_entry)); | |
aa137e4d NC |
1168 | if (entry == NULL) |
1169 | return entry; | |
1170 | } | |
1171 | ||
1172 | /* Call the allocation method of the superclass. */ | |
1173 | entry = _bfd_elf_link_hash_newfunc (entry, table, string); | |
1174 | if (entry != NULL) | |
1175 | { | |
1176 | struct tilepro_elf_link_hash_entry *eh; | |
1177 | ||
1178 | eh = (struct tilepro_elf_link_hash_entry *) entry; | |
1179 | eh->dyn_relocs = NULL; | |
1180 | eh->tls_type = GOT_UNKNOWN; | |
1181 | } | |
1182 | ||
1183 | return entry; | |
1184 | } | |
1185 | ||
1186 | /* Create a TILEPRO ELF linker hash table. */ | |
1187 | ||
1188 | static struct bfd_link_hash_table * | |
1189 | tilepro_elf_link_hash_table_create (bfd *abfd) | |
1190 | { | |
1191 | struct tilepro_elf_link_hash_table *ret; | |
1192 | bfd_size_type amt = sizeof (struct tilepro_elf_link_hash_table); | |
1193 | ||
1194 | ret = (struct tilepro_elf_link_hash_table *) bfd_zmalloc (amt); | |
1195 | if (ret == NULL) | |
1196 | return NULL; | |
1197 | ||
1198 | if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc, | |
1199 | sizeof (struct tilepro_elf_link_hash_entry), | |
1200 | TILEPRO_ELF_DATA)) | |
1201 | { | |
1202 | free (ret); | |
1203 | return NULL; | |
1204 | } | |
1205 | ||
1206 | return &ret->elf.root; | |
1207 | } | |
1208 | ||
1209 | /* Create the .got section. */ | |
1210 | ||
1211 | static bfd_boolean | |
1212 | tilepro_elf_create_got_section (bfd *abfd, struct bfd_link_info *info) | |
1213 | { | |
1214 | flagword flags; | |
1215 | asection *s, *s_got; | |
1216 | struct elf_link_hash_entry *h; | |
1217 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); | |
1218 | struct elf_link_hash_table *htab = elf_hash_table (info); | |
1219 | ||
1220 | /* This function may be called more than once. */ | |
ce558b89 | 1221 | if (htab->sgot != NULL) |
aa137e4d NC |
1222 | return TRUE; |
1223 | ||
1224 | flags = bed->dynamic_sec_flags; | |
1225 | ||
1226 | s = bfd_make_section_with_flags (abfd, | |
1227 | (bed->rela_plts_and_copies_p | |
1228 | ? ".rela.got" : ".rel.got"), | |
1229 | (bed->dynamic_sec_flags | |
1230 | | SEC_READONLY)); | |
1231 | if (s == NULL | |
1232 | || ! bfd_set_section_alignment (abfd, s, bed->s->log_file_align)) | |
1233 | return FALSE; | |
1234 | htab->srelgot = s; | |
1235 | ||
1236 | s = s_got = bfd_make_section_with_flags (abfd, ".got", flags); | |
1237 | if (s == NULL | |
1238 | || !bfd_set_section_alignment (abfd, s, bed->s->log_file_align)) | |
1239 | return FALSE; | |
1240 | htab->sgot = s; | |
1241 | ||
1242 | /* The first bit of the global offset table is the header. */ | |
1243 | s->size += bed->got_header_size; | |
1244 | ||
1245 | if (bed->want_got_plt) | |
1246 | { | |
1247 | s = bfd_make_section_with_flags (abfd, ".got.plt", flags); | |
1248 | if (s == NULL | |
1249 | || !bfd_set_section_alignment (abfd, s, | |
1250 | bed->s->log_file_align)) | |
1251 | return FALSE; | |
1252 | htab->sgotplt = s; | |
1253 | ||
1254 | /* Reserve room for the header. */ | |
1255 | s->size += GOTPLT_HEADER_SIZE; | |
1256 | } | |
1257 | ||
1258 | if (bed->want_got_sym) | |
1259 | { | |
1260 | /* Define the symbol _GLOBAL_OFFSET_TABLE_ at the start of the .got | |
1261 | section. We don't do this in the linker script because we don't want | |
1262 | to define the symbol if we are not creating a global offset | |
1263 | table. */ | |
1264 | h = _bfd_elf_define_linkage_sym (abfd, info, s_got, | |
1265 | "_GLOBAL_OFFSET_TABLE_"); | |
1266 | elf_hash_table (info)->hgot = h; | |
1267 | if (h == NULL) | |
1268 | return FALSE; | |
1269 | } | |
1270 | ||
1271 | return TRUE; | |
1272 | } | |
1273 | ||
1274 | /* Create .plt, .rela.plt, .got, .got.plt, .rela.got, .dynbss, and | |
1275 | .rela.bss sections in DYNOBJ, and set up shortcuts to them in our | |
1276 | hash table. */ | |
1277 | ||
1278 | static bfd_boolean | |
1279 | tilepro_elf_create_dynamic_sections (bfd *dynobj, | |
1280 | struct bfd_link_info *info) | |
1281 | { | |
aa137e4d NC |
1282 | if (!tilepro_elf_create_got_section (dynobj, info)) |
1283 | return FALSE; | |
1284 | ||
9d19e4fd | 1285 | return _bfd_elf_create_dynamic_sections (dynobj, info); |
aa137e4d NC |
1286 | } |
1287 | ||
1288 | /* Copy the extra info we tack onto an elf_link_hash_entry. */ | |
1289 | ||
1290 | static void | |
1291 | tilepro_elf_copy_indirect_symbol (struct bfd_link_info *info, | |
1292 | struct elf_link_hash_entry *dir, | |
1293 | struct elf_link_hash_entry *ind) | |
1294 | { | |
1295 | struct tilepro_elf_link_hash_entry *edir, *eind; | |
1296 | ||
1297 | edir = (struct tilepro_elf_link_hash_entry *) dir; | |
1298 | eind = (struct tilepro_elf_link_hash_entry *) ind; | |
1299 | ||
1300 | if (eind->dyn_relocs != NULL) | |
1301 | { | |
1302 | if (edir->dyn_relocs != NULL) | |
1303 | { | |
3bf083ed AM |
1304 | struct elf_dyn_relocs **pp; |
1305 | struct elf_dyn_relocs *p; | |
aa137e4d NC |
1306 | |
1307 | /* Add reloc counts against the indirect sym to the direct sym | |
1308 | list. Merge any entries against the same section. */ | |
1309 | for (pp = &eind->dyn_relocs; (p = *pp) != NULL; ) | |
1310 | { | |
3bf083ed | 1311 | struct elf_dyn_relocs *q; |
aa137e4d NC |
1312 | |
1313 | for (q = edir->dyn_relocs; q != NULL; q = q->next) | |
1314 | if (q->sec == p->sec) | |
1315 | { | |
1316 | q->pc_count += p->pc_count; | |
1317 | q->count += p->count; | |
1318 | *pp = p->next; | |
1319 | break; | |
1320 | } | |
1321 | if (q == NULL) | |
1322 | pp = &p->next; | |
1323 | } | |
1324 | *pp = edir->dyn_relocs; | |
1325 | } | |
1326 | ||
1327 | edir->dyn_relocs = eind->dyn_relocs; | |
1328 | eind->dyn_relocs = NULL; | |
1329 | } | |
1330 | ||
1331 | if (ind->root.type == bfd_link_hash_indirect | |
1332 | && dir->got.refcount <= 0) | |
1333 | { | |
1334 | edir->tls_type = eind->tls_type; | |
1335 | eind->tls_type = GOT_UNKNOWN; | |
1336 | } | |
1337 | _bfd_elf_link_hash_copy_indirect (info, dir, ind); | |
1338 | } | |
1339 | ||
6f7be959 WL |
1340 | static int |
1341 | tilepro_tls_translate_to_le (int r_type) | |
1342 | { | |
1343 | switch (r_type) | |
1344 | { | |
1345 | case R_TILEPRO_IMM16_X0_TLS_GD: | |
1346 | case R_TILEPRO_IMM16_X0_TLS_IE: | |
1347 | return R_TILEPRO_IMM16_X0_TLS_LE; | |
1348 | ||
1349 | case R_TILEPRO_IMM16_X1_TLS_GD: | |
1350 | case R_TILEPRO_IMM16_X1_TLS_IE: | |
1351 | return R_TILEPRO_IMM16_X1_TLS_LE; | |
1352 | ||
1353 | case R_TILEPRO_IMM16_X0_TLS_GD_LO: | |
1354 | case R_TILEPRO_IMM16_X0_TLS_IE_LO: | |
1355 | return R_TILEPRO_IMM16_X0_TLS_LE_LO; | |
1356 | ||
1357 | case R_TILEPRO_IMM16_X1_TLS_GD_LO: | |
1358 | case R_TILEPRO_IMM16_X1_TLS_IE_LO: | |
1359 | return R_TILEPRO_IMM16_X1_TLS_LE_LO; | |
1360 | ||
1361 | case R_TILEPRO_IMM16_X0_TLS_GD_HI: | |
1362 | case R_TILEPRO_IMM16_X0_TLS_IE_HI: | |
1363 | return R_TILEPRO_IMM16_X0_TLS_LE_HI; | |
1364 | ||
1365 | case R_TILEPRO_IMM16_X1_TLS_GD_HI: | |
1366 | case R_TILEPRO_IMM16_X1_TLS_IE_HI: | |
1367 | return R_TILEPRO_IMM16_X1_TLS_LE_HI; | |
1368 | ||
1369 | case R_TILEPRO_IMM16_X0_TLS_GD_HA: | |
1370 | case R_TILEPRO_IMM16_X0_TLS_IE_HA: | |
1371 | return R_TILEPRO_IMM16_X0_TLS_LE_HA; | |
1372 | ||
1373 | case R_TILEPRO_IMM16_X1_TLS_GD_HA: | |
1374 | case R_TILEPRO_IMM16_X1_TLS_IE_HA: | |
1375 | return R_TILEPRO_IMM16_X1_TLS_LE_HA; | |
1376 | } | |
1377 | return r_type; | |
1378 | } | |
1379 | ||
1380 | static int | |
1381 | tilepro_tls_translate_to_ie (int r_type) | |
1382 | { | |
1383 | switch (r_type) | |
1384 | { | |
1385 | case R_TILEPRO_IMM16_X0_TLS_GD: | |
1386 | case R_TILEPRO_IMM16_X0_TLS_IE: | |
1387 | return R_TILEPRO_IMM16_X0_TLS_IE; | |
1388 | ||
1389 | case R_TILEPRO_IMM16_X1_TLS_GD: | |
1390 | case R_TILEPRO_IMM16_X1_TLS_IE: | |
1391 | return R_TILEPRO_IMM16_X1_TLS_IE; | |
1392 | ||
1393 | case R_TILEPRO_IMM16_X0_TLS_GD_LO: | |
1394 | case R_TILEPRO_IMM16_X0_TLS_IE_LO: | |
1395 | return R_TILEPRO_IMM16_X0_TLS_IE_LO; | |
1396 | ||
1397 | case R_TILEPRO_IMM16_X1_TLS_GD_LO: | |
1398 | case R_TILEPRO_IMM16_X1_TLS_IE_LO: | |
1399 | return R_TILEPRO_IMM16_X1_TLS_IE_LO; | |
1400 | ||
1401 | case R_TILEPRO_IMM16_X0_TLS_GD_HI: | |
1402 | case R_TILEPRO_IMM16_X0_TLS_IE_HI: | |
1403 | return R_TILEPRO_IMM16_X0_TLS_IE_HI; | |
1404 | ||
1405 | case R_TILEPRO_IMM16_X1_TLS_GD_HI: | |
1406 | case R_TILEPRO_IMM16_X1_TLS_IE_HI: | |
1407 | return R_TILEPRO_IMM16_X1_TLS_IE_HI; | |
1408 | ||
1409 | case R_TILEPRO_IMM16_X0_TLS_GD_HA: | |
1410 | case R_TILEPRO_IMM16_X0_TLS_IE_HA: | |
1411 | return R_TILEPRO_IMM16_X0_TLS_IE_HA; | |
1412 | ||
1413 | case R_TILEPRO_IMM16_X1_TLS_GD_HA: | |
1414 | case R_TILEPRO_IMM16_X1_TLS_IE_HA: | |
1415 | return R_TILEPRO_IMM16_X1_TLS_IE_HA; | |
1416 | } | |
1417 | return r_type; | |
1418 | } | |
1419 | ||
1420 | static int | |
1421 | tilepro_elf_tls_transition (struct bfd_link_info *info, int r_type, | |
1422 | int is_local) | |
1423 | { | |
1ba1f393 | 1424 | if (!bfd_link_executable (info)) |
6f7be959 WL |
1425 | return r_type; |
1426 | ||
1427 | if (is_local) | |
1428 | return tilepro_tls_translate_to_le (r_type); | |
1429 | else | |
1430 | return tilepro_tls_translate_to_ie (r_type); | |
1431 | } | |
1432 | ||
aa137e4d NC |
1433 | /* Look through the relocs for a section during the first phase, and |
1434 | allocate space in the global offset table or procedure linkage | |
1435 | table. */ | |
1436 | ||
1437 | static bfd_boolean | |
1438 | tilepro_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, | |
1439 | asection *sec, const Elf_Internal_Rela *relocs) | |
1440 | { | |
1441 | struct tilepro_elf_link_hash_table *htab; | |
1442 | Elf_Internal_Shdr *symtab_hdr; | |
1443 | struct elf_link_hash_entry **sym_hashes; | |
aa137e4d NC |
1444 | const Elf_Internal_Rela *rel; |
1445 | const Elf_Internal_Rela *rel_end; | |
1446 | asection *sreloc; | |
1447 | int num_relocs; | |
1448 | ||
0e1862bb | 1449 | if (bfd_link_relocatable (info)) |
aa137e4d NC |
1450 | return TRUE; |
1451 | ||
1452 | htab = tilepro_elf_hash_table (info); | |
1453 | symtab_hdr = &elf_tdata (abfd)->symtab_hdr; | |
1454 | sym_hashes = elf_sym_hashes (abfd); | |
aa137e4d NC |
1455 | |
1456 | sreloc = NULL; | |
1457 | ||
1458 | num_relocs = sec->reloc_count; | |
1459 | ||
1460 | BFD_ASSERT (is_tilepro_elf (abfd) || num_relocs == 0); | |
1461 | ||
1462 | if (htab->elf.dynobj == NULL) | |
1463 | htab->elf.dynobj = abfd; | |
1464 | ||
1465 | rel_end = relocs + num_relocs; | |
1466 | for (rel = relocs; rel < rel_end; rel++) | |
1467 | { | |
1468 | unsigned int r_type; | |
d42c267e | 1469 | unsigned int r_symndx; |
aa137e4d NC |
1470 | struct elf_link_hash_entry *h; |
1471 | int tls_type; | |
1472 | ||
1473 | r_symndx = ELF32_R_SYM (rel->r_info); | |
1474 | r_type = ELF32_R_TYPE (rel->r_info); | |
1475 | ||
1476 | if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr)) | |
1477 | { | |
695344c0 | 1478 | /* xgettext:c-format */ |
871b3ab2 | 1479 | _bfd_error_handler (_("%pB: bad symbol index: %d"), |
4eca0228 | 1480 | abfd, r_symndx); |
aa137e4d NC |
1481 | return FALSE; |
1482 | } | |
1483 | ||
1484 | if (r_symndx < symtab_hdr->sh_info) | |
1485 | h = NULL; | |
1486 | else | |
1487 | { | |
1488 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; | |
1489 | while (h->root.type == bfd_link_hash_indirect | |
1490 | || h->root.type == bfd_link_hash_warning) | |
1491 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
1492 | } | |
1493 | ||
6f7be959 | 1494 | r_type = tilepro_elf_tls_transition (info, r_type, h == NULL); |
aa137e4d NC |
1495 | switch (r_type) |
1496 | { | |
07d6d2b8 AM |
1497 | case R_TILEPRO_IMM16_X0_TLS_LE: |
1498 | case R_TILEPRO_IMM16_X1_TLS_LE: | |
1499 | case R_TILEPRO_IMM16_X0_TLS_LE_LO: | |
1500 | case R_TILEPRO_IMM16_X1_TLS_LE_LO: | |
1501 | case R_TILEPRO_IMM16_X0_TLS_LE_HI: | |
1502 | case R_TILEPRO_IMM16_X1_TLS_LE_HI: | |
1503 | case R_TILEPRO_IMM16_X0_TLS_LE_HA: | |
1504 | case R_TILEPRO_IMM16_X1_TLS_LE_HA: | |
1ba1f393 | 1505 | if (!bfd_link_executable (info)) |
6f7be959 WL |
1506 | goto r_tilepro_plt32; |
1507 | break; | |
1508 | ||
07d6d2b8 AM |
1509 | case R_TILEPRO_IMM16_X0_TLS_GD: |
1510 | case R_TILEPRO_IMM16_X1_TLS_GD: | |
1511 | case R_TILEPRO_IMM16_X0_TLS_GD_LO: | |
1512 | case R_TILEPRO_IMM16_X1_TLS_GD_LO: | |
1513 | case R_TILEPRO_IMM16_X0_TLS_GD_HI: | |
1514 | case R_TILEPRO_IMM16_X1_TLS_GD_HI: | |
1515 | case R_TILEPRO_IMM16_X0_TLS_GD_HA: | |
1516 | case R_TILEPRO_IMM16_X1_TLS_GD_HA: | |
0e1862bb | 1517 | BFD_ASSERT (bfd_link_pic (info)); |
6f7be959 | 1518 | tls_type = GOT_TLS_GD; |
07d6d2b8 AM |
1519 | goto have_got_reference; |
1520 | ||
1521 | case R_TILEPRO_IMM16_X0_TLS_IE: | |
1522 | case R_TILEPRO_IMM16_X1_TLS_IE: | |
1523 | case R_TILEPRO_IMM16_X0_TLS_IE_LO: | |
1524 | case R_TILEPRO_IMM16_X1_TLS_IE_LO: | |
1525 | case R_TILEPRO_IMM16_X0_TLS_IE_HI: | |
1526 | case R_TILEPRO_IMM16_X1_TLS_IE_HI: | |
1527 | case R_TILEPRO_IMM16_X0_TLS_IE_HA: | |
1528 | case R_TILEPRO_IMM16_X1_TLS_IE_HA: | |
1529 | tls_type = GOT_TLS_IE; | |
1530 | if (!bfd_link_executable (info)) | |
1531 | info->flags |= DF_STATIC_TLS; | |
1532 | goto have_got_reference; | |
1533 | ||
1534 | case R_TILEPRO_IMM16_X0_GOT: | |
1535 | case R_TILEPRO_IMM16_X1_GOT: | |
1536 | case R_TILEPRO_IMM16_X0_GOT_LO: | |
1537 | case R_TILEPRO_IMM16_X1_GOT_LO: | |
1538 | case R_TILEPRO_IMM16_X0_GOT_HI: | |
1539 | case R_TILEPRO_IMM16_X1_GOT_HI: | |
1540 | case R_TILEPRO_IMM16_X0_GOT_HA: | |
1541 | case R_TILEPRO_IMM16_X1_GOT_HA: | |
1542 | tls_type = GOT_NORMAL; | |
1543 | /* Fall Through */ | |
1544 | ||
1545 | have_got_reference: | |
aa137e4d NC |
1546 | /* This symbol requires a global offset table entry. */ |
1547 | { | |
07d6d2b8 | 1548 | int old_tls_type; |
aa137e4d NC |
1549 | |
1550 | if (h != NULL) | |
1551 | { | |
1552 | h->got.refcount += 1; | |
1553 | old_tls_type = tilepro_elf_hash_entry(h)->tls_type; | |
1554 | } | |
1555 | else | |
1556 | { | |
1557 | bfd_signed_vma *local_got_refcounts; | |
1558 | ||
1559 | /* This is a global offset table entry for a local symbol. */ | |
1560 | local_got_refcounts = elf_local_got_refcounts (abfd); | |
1561 | if (local_got_refcounts == NULL) | |
1562 | { | |
1563 | bfd_size_type size; | |
1564 | ||
1565 | size = symtab_hdr->sh_info; | |
1566 | size *= (sizeof (bfd_signed_vma) + sizeof(char)); | |
1567 | local_got_refcounts = ((bfd_signed_vma *) | |
1568 | bfd_zalloc (abfd, size)); | |
1569 | if (local_got_refcounts == NULL) | |
1570 | return FALSE; | |
1571 | elf_local_got_refcounts (abfd) = local_got_refcounts; | |
1572 | _bfd_tilepro_elf_local_got_tls_type (abfd) | |
1573 | = (char *) (local_got_refcounts + symtab_hdr->sh_info); | |
1574 | } | |
1575 | local_got_refcounts[r_symndx] += 1; | |
1576 | old_tls_type = | |
1577 | _bfd_tilepro_elf_local_got_tls_type (abfd) [r_symndx]; | |
1578 | } | |
1579 | ||
1580 | /* If a TLS symbol is accessed using IE at least once, | |
1581 | there is no point to use dynamic model for it. */ | |
1582 | if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN | |
1583 | && (old_tls_type != GOT_TLS_GD | |
1584 | || tls_type != GOT_TLS_IE)) | |
1585 | { | |
1586 | if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD) | |
1587 | tls_type = old_tls_type; | |
1588 | else | |
1589 | { | |
4eca0228 | 1590 | _bfd_error_handler |
695344c0 | 1591 | /* xgettext:c-format */ |
871b3ab2 | 1592 | (_("%pB: `%s' accessed both as normal and thread local symbol"), |
aa137e4d NC |
1593 | abfd, h ? h->root.root.string : "<local>"); |
1594 | return FALSE; | |
1595 | } | |
1596 | } | |
1597 | ||
1598 | if (old_tls_type != tls_type) | |
1599 | { | |
1600 | if (h != NULL) | |
1601 | tilepro_elf_hash_entry (h)->tls_type = tls_type; | |
1602 | else | |
1603 | _bfd_tilepro_elf_local_got_tls_type (abfd) [r_symndx] = | |
1604 | tls_type; | |
1605 | } | |
1606 | } | |
1607 | ||
1608 | if (htab->elf.sgot == NULL) | |
1609 | { | |
1610 | if (!tilepro_elf_create_got_section (htab->elf.dynobj, info)) | |
1611 | return FALSE; | |
1612 | } | |
1613 | break; | |
1614 | ||
6f7be959 | 1615 | case R_TILEPRO_TLS_GD_CALL: |
1ba1f393 | 1616 | if (!bfd_link_executable (info)) |
6f7be959 WL |
1617 | { |
1618 | /* These are basically R_TILEPRO_JOFFLONG_X1_PLT relocs | |
1619 | against __tls_get_addr. */ | |
1620 | struct bfd_link_hash_entry *bh = NULL; | |
1621 | if (! _bfd_generic_link_add_one_symbol (info, abfd, | |
1622 | "__tls_get_addr", 0, | |
1623 | bfd_und_section_ptr, 0, | |
1624 | NULL, FALSE, FALSE, | |
1625 | &bh)) | |
1626 | return FALSE; | |
1627 | h = (struct elf_link_hash_entry *) bh; | |
1628 | } | |
1629 | else | |
1630 | break; | |
1631 | /* Fall through */ | |
1632 | ||
07d6d2b8 | 1633 | case R_TILEPRO_JOFFLONG_X1_PLT: |
aa137e4d NC |
1634 | /* This symbol requires a procedure linkage table entry. We |
1635 | actually build the entry in adjust_dynamic_symbol, | |
1636 | because this might be a case of linking PIC code without | |
1637 | linking in any dynamic objects, in which case we don't | |
1638 | need to generate a procedure linkage table after all. */ | |
1639 | ||
1640 | if (h != NULL) | |
07d6d2b8 AM |
1641 | { |
1642 | h->needs_plt = 1; | |
1643 | h->plt.refcount += 1; | |
1644 | } | |
aa137e4d NC |
1645 | break; |
1646 | ||
07d6d2b8 AM |
1647 | case R_TILEPRO_32_PCREL: |
1648 | case R_TILEPRO_16_PCREL: | |
1649 | case R_TILEPRO_8_PCREL: | |
1650 | case R_TILEPRO_IMM16_X0_PCREL: | |
1651 | case R_TILEPRO_IMM16_X1_PCREL: | |
1652 | case R_TILEPRO_IMM16_X0_LO_PCREL: | |
1653 | case R_TILEPRO_IMM16_X1_LO_PCREL: | |
1654 | case R_TILEPRO_IMM16_X0_HI_PCREL: | |
1655 | case R_TILEPRO_IMM16_X1_HI_PCREL: | |
1656 | case R_TILEPRO_IMM16_X0_HA_PCREL: | |
1657 | case R_TILEPRO_IMM16_X1_HA_PCREL: | |
aa137e4d NC |
1658 | if (h != NULL) |
1659 | h->non_got_ref = 1; | |
1660 | ||
1661 | if (h != NULL | |
1662 | && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0) | |
1663 | break; | |
1664 | /* Fall through. */ | |
1665 | ||
07d6d2b8 AM |
1666 | case R_TILEPRO_32: |
1667 | case R_TILEPRO_16: | |
1668 | case R_TILEPRO_8: | |
1669 | case R_TILEPRO_LO16: | |
1670 | case R_TILEPRO_HI16: | |
1671 | case R_TILEPRO_HA16: | |
1672 | case R_TILEPRO_COPY: | |
1673 | case R_TILEPRO_GLOB_DAT: | |
1674 | case R_TILEPRO_JMP_SLOT: | |
1675 | case R_TILEPRO_RELATIVE: | |
1676 | case R_TILEPRO_BROFF_X1: | |
1677 | case R_TILEPRO_JOFFLONG_X1: | |
1678 | case R_TILEPRO_IMM8_X0: | |
1679 | case R_TILEPRO_IMM8_Y0: | |
1680 | case R_TILEPRO_IMM8_X1: | |
1681 | case R_TILEPRO_IMM8_Y1: | |
1682 | case R_TILEPRO_DEST_IMM8_X1: | |
1683 | case R_TILEPRO_MT_IMM15_X1: | |
1684 | case R_TILEPRO_MF_IMM15_X1: | |
1685 | case R_TILEPRO_IMM16_X0: | |
1686 | case R_TILEPRO_IMM16_X1: | |
1687 | case R_TILEPRO_IMM16_X0_LO: | |
1688 | case R_TILEPRO_IMM16_X1_LO: | |
1689 | case R_TILEPRO_IMM16_X0_HI: | |
1690 | case R_TILEPRO_IMM16_X1_HI: | |
1691 | case R_TILEPRO_IMM16_X0_HA: | |
1692 | case R_TILEPRO_IMM16_X1_HA: | |
1693 | case R_TILEPRO_MMSTART_X0: | |
1694 | case R_TILEPRO_MMEND_X0: | |
1695 | case R_TILEPRO_MMSTART_X1: | |
1696 | case R_TILEPRO_MMEND_X1: | |
1697 | case R_TILEPRO_SHAMT_X0: | |
1698 | case R_TILEPRO_SHAMT_X1: | |
1699 | case R_TILEPRO_SHAMT_Y0: | |
1700 | case R_TILEPRO_SHAMT_Y1: | |
aa137e4d | 1701 | if (h != NULL) |
07d6d2b8 | 1702 | h->non_got_ref = 1; |
aa137e4d | 1703 | |
6f7be959 | 1704 | r_tilepro_plt32: |
0e1862bb | 1705 | if (h != NULL && !bfd_link_pic (info)) |
6f7be959 WL |
1706 | { |
1707 | /* We may need a .plt entry if the function this reloc | |
1708 | refers to is in a shared lib. */ | |
1709 | h->plt.refcount += 1; | |
07d6d2b8 | 1710 | } |
aa137e4d NC |
1711 | |
1712 | /* If we are creating a shared library, and this is a reloc | |
1713 | against a global symbol, or a non PC relative reloc | |
1714 | against a local symbol, then we need to copy the reloc | |
1715 | into the shared library. However, if we are linking with | |
1716 | -Bsymbolic, we do not need to copy a reloc against a | |
1717 | global symbol which is defined in an object we are | |
1718 | including in the link (i.e., DEF_REGULAR is set). At | |
1719 | this point we have not seen all the input files, so it is | |
1720 | possible that DEF_REGULAR is not set now but will be set | |
1721 | later (it is never cleared). In case of a weak definition, | |
1722 | DEF_REGULAR may be cleared later by a strong definition in | |
1723 | a shared library. We account for that possibility below by | |
1724 | storing information in the relocs_copied field of the hash | |
1725 | table entry. A similar situation occurs when creating | |
1726 | shared libraries and symbol visibility changes render the | |
1727 | symbol local. | |
1728 | ||
1729 | If on the other hand, we are creating an executable, we | |
1730 | may need to keep relocations for symbols satisfied by a | |
1731 | dynamic library if we manage to avoid copy relocs for the | |
1732 | symbol. */ | |
0e1862bb | 1733 | if ((bfd_link_pic (info) |
aa137e4d NC |
1734 | && (sec->flags & SEC_ALLOC) != 0 |
1735 | && (! tilepro_elf_howto_table[r_type].pc_relative | |
1736 | || (h != NULL | |
1737 | && (! info->symbolic | |
1738 | || h->root.type == bfd_link_hash_defweak | |
1739 | || !h->def_regular)))) | |
0e1862bb | 1740 | || (!bfd_link_pic (info) |
aa137e4d NC |
1741 | && (sec->flags & SEC_ALLOC) != 0 |
1742 | && h != NULL | |
1743 | && (h->root.type == bfd_link_hash_defweak | |
1744 | || !h->def_regular))) | |
1745 | { | |
3bf083ed AM |
1746 | struct elf_dyn_relocs *p; |
1747 | struct elf_dyn_relocs **head; | |
aa137e4d NC |
1748 | |
1749 | /* When creating a shared object, we must copy these | |
1750 | relocs into the output file. We create a reloc | |
1751 | section in dynobj and make room for the reloc. */ | |
1752 | if (sreloc == NULL) | |
1753 | { | |
1754 | sreloc = _bfd_elf_make_dynamic_reloc_section | |
1755 | (sec, htab->elf.dynobj, 2, abfd, /*rela?*/ TRUE); | |
1756 | ||
1757 | if (sreloc == NULL) | |
1758 | return FALSE; | |
1759 | } | |
1760 | ||
1761 | /* If this is a global symbol, we count the number of | |
1762 | relocations we need for this symbol. */ | |
1763 | if (h != NULL) | |
1764 | head = | |
07d6d2b8 | 1765 | &((struct tilepro_elf_link_hash_entry *) h)->dyn_relocs; |
aa137e4d NC |
1766 | else |
1767 | { | |
1768 | /* Track dynamic relocs needed for local syms too. | |
1769 | We really need local syms available to do this | |
1770 | easily. Oh well. */ | |
1771 | ||
1772 | asection *s; | |
1773 | void *vpp; | |
1774 | Elf_Internal_Sym *isym; | |
1775 | ||
1776 | isym = bfd_sym_from_r_symndx (&htab->sym_cache, | |
1777 | abfd, r_symndx); | |
1778 | if (isym == NULL) | |
1779 | return FALSE; | |
1780 | ||
1781 | s = bfd_section_from_elf_index (abfd, isym->st_shndx); | |
1782 | if (s == NULL) | |
1783 | s = sec; | |
1784 | ||
1785 | vpp = &elf_section_data (s)->local_dynrel; | |
3bf083ed | 1786 | head = (struct elf_dyn_relocs **) vpp; |
aa137e4d NC |
1787 | } |
1788 | ||
1789 | p = *head; | |
1790 | if (p == NULL || p->sec != sec) | |
1791 | { | |
1792 | bfd_size_type amt = sizeof *p; | |
3bf083ed | 1793 | p = ((struct elf_dyn_relocs *) |
aa137e4d NC |
1794 | bfd_alloc (htab->elf.dynobj, amt)); |
1795 | if (p == NULL) | |
1796 | return FALSE; | |
1797 | p->next = *head; | |
1798 | *head = p; | |
1799 | p->sec = sec; | |
1800 | p->count = 0; | |
1801 | p->pc_count = 0; | |
1802 | } | |
1803 | ||
1804 | p->count += 1; | |
1805 | if (tilepro_elf_howto_table[r_type].pc_relative) | |
1806 | p->pc_count += 1; | |
1807 | } | |
1808 | ||
1809 | break; | |
1810 | ||
1811 | case R_TILEPRO_GNU_VTINHERIT: | |
1812 | if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset)) | |
1813 | return FALSE; | |
1814 | break; | |
1815 | ||
1816 | case R_TILEPRO_GNU_VTENTRY: | |
1817 | if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend)) | |
1818 | return FALSE; | |
1819 | break; | |
1820 | ||
1821 | default: | |
1822 | break; | |
1823 | } | |
1824 | } | |
1825 | ||
1826 | return TRUE; | |
1827 | } | |
1828 | ||
1829 | \f | |
1830 | static asection * | |
1831 | tilepro_elf_gc_mark_hook (asection *sec, | |
07d6d2b8 AM |
1832 | struct bfd_link_info *info, |
1833 | Elf_Internal_Rela *rel, | |
1834 | struct elf_link_hash_entry *h, | |
1835 | Elf_Internal_Sym *sym) | |
aa137e4d NC |
1836 | { |
1837 | if (h != NULL) | |
1838 | { | |
1839 | switch (ELF32_R_TYPE (rel->r_info)) | |
b45b6908 AM |
1840 | { |
1841 | case R_TILEPRO_GNU_VTINHERIT: | |
1842 | case R_TILEPRO_GNU_VTENTRY: | |
1843 | return NULL; | |
1844 | } | |
1845 | } | |
1846 | ||
1847 | /* FIXME: The test here, in check_relocs and in relocate_section | |
0e1862bb L |
1848 | dealing with TLS optimization, ought to be !bfd_link_executable (info). */ |
1849 | if (bfd_link_pic (info)) | |
b45b6908 | 1850 | { |
8e354058 L |
1851 | struct bfd_link_hash_entry *bh; |
1852 | ||
b45b6908 AM |
1853 | switch (ELF32_R_TYPE (rel->r_info)) |
1854 | { | |
1855 | case R_TILEPRO_TLS_GD_CALL: | |
1856 | /* This reloc implicitly references __tls_get_addr. We know | |
1857 | another reloc will reference the same symbol as the one | |
1858 | on this reloc, so the real symbol and section will be | |
1859 | gc marked when processing the other reloc. That lets | |
1860 | us handle __tls_get_addr here. */ | |
8e354058 L |
1861 | bh = NULL; |
1862 | if (! _bfd_generic_link_add_one_symbol (info, sec->owner, | |
1863 | "__tls_get_addr", 0, | |
1864 | bfd_und_section_ptr, | |
1865 | 0, NULL, FALSE, | |
1866 | FALSE, &bh)) | |
1867 | return NULL; | |
1868 | h = (struct elf_link_hash_entry *) bh; | |
b45b6908 AM |
1869 | BFD_ASSERT (h != NULL); |
1870 | h->mark = 1; | |
60d67dc8 AM |
1871 | if (h->is_weakalias) |
1872 | weakdef (h)->mark = 1; | |
b45b6908 AM |
1873 | sym = NULL; |
1874 | } | |
aa137e4d NC |
1875 | } |
1876 | ||
1877 | return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym); | |
1878 | } | |
1879 | ||
63c1f59d AM |
1880 | /* Find dynamic relocs for H that apply to read-only sections. */ |
1881 | ||
1882 | static asection * | |
1883 | readonly_dynrelocs (struct elf_link_hash_entry *h) | |
1884 | { | |
3bf083ed | 1885 | struct elf_dyn_relocs *p; |
63c1f59d AM |
1886 | |
1887 | for (p = tilepro_elf_hash_entry (h)->dyn_relocs; p != NULL; p = p->next) | |
1888 | { | |
1889 | asection *s = p->sec->output_section; | |
1890 | ||
1891 | if (s != NULL && (s->flags & SEC_READONLY) != 0) | |
1892 | return p->sec; | |
1893 | } | |
1894 | return NULL; | |
1895 | } | |
1896 | ||
aa137e4d NC |
1897 | /* Adjust a symbol defined by a dynamic object and referenced by a |
1898 | regular object. The current definition is in some section of the | |
1899 | dynamic object, but we're not including those sections. We have to | |
1900 | change the definition to something the rest of the link can | |
1901 | understand. */ | |
1902 | ||
1903 | static bfd_boolean | |
1904 | tilepro_elf_adjust_dynamic_symbol (struct bfd_link_info *info, | |
1905 | struct elf_link_hash_entry *h) | |
1906 | { | |
1907 | struct tilepro_elf_link_hash_table *htab; | |
5474d94f | 1908 | asection *s, *srel; |
aa137e4d NC |
1909 | |
1910 | htab = tilepro_elf_hash_table (info); | |
1911 | BFD_ASSERT (htab != NULL); | |
1912 | ||
1913 | /* Make sure we know what is going on here. */ | |
1914 | BFD_ASSERT (htab->elf.dynobj != NULL | |
1915 | && (h->needs_plt | |
60d67dc8 | 1916 | || h->is_weakalias |
aa137e4d NC |
1917 | || (h->def_dynamic |
1918 | && h->ref_regular | |
1919 | && !h->def_regular))); | |
1920 | ||
1921 | /* If this is a function, put it in the procedure linkage table. We | |
1922 | will fill in the contents of the procedure linkage table later | |
1923 | (although we could actually do it here). */ | |
1924 | if (h->type == STT_FUNC || h->needs_plt) | |
1925 | { | |
1926 | if (h->plt.refcount <= 0 | |
1927 | || SYMBOL_CALLS_LOCAL (info, h) | |
1928 | || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT | |
1929 | && h->root.type == bfd_link_hash_undefweak)) | |
1930 | { | |
1931 | /* This case can occur if we saw a R_TILEPRO_JOFFLONG_X1_PLT | |
07d6d2b8 AM |
1932 | reloc in an input file, but the symbol was never referred |
1933 | to by a dynamic object, or if all references were garbage | |
1934 | collected. In such a case, we don't actually need to build | |
1935 | a procedure linkage table, and we can just do a | |
1936 | R_TILEPRO_JOFFLONG_X1 relocation instead. */ | |
aa137e4d NC |
1937 | h->plt.offset = (bfd_vma) -1; |
1938 | h->needs_plt = 0; | |
1939 | } | |
1940 | ||
1941 | return TRUE; | |
1942 | } | |
1943 | else | |
1944 | h->plt.offset = (bfd_vma) -1; | |
1945 | ||
1946 | /* If this is a weak symbol, and there is a real definition, the | |
1947 | processor independent code will have arranged for us to see the | |
1948 | real definition first, and we can just use the same value. */ | |
60d67dc8 | 1949 | if (h->is_weakalias) |
aa137e4d | 1950 | { |
60d67dc8 AM |
1951 | struct elf_link_hash_entry *def = weakdef (h); |
1952 | BFD_ASSERT (def->root.type == bfd_link_hash_defined); | |
1953 | h->root.u.def.section = def->root.u.def.section; | |
1954 | h->root.u.def.value = def->root.u.def.value; | |
aa137e4d NC |
1955 | return TRUE; |
1956 | } | |
1957 | ||
1958 | /* This is a reference to a symbol defined by a dynamic object which | |
1959 | is not a function. */ | |
1960 | ||
1961 | /* If we are creating a shared library, we must presume that the | |
1962 | only references to the symbol are via the global offset table. | |
1963 | For such cases we need not do anything here; the relocations will | |
1964 | be handled correctly by relocate_section. */ | |
0e1862bb | 1965 | if (bfd_link_pic (info)) |
aa137e4d NC |
1966 | return TRUE; |
1967 | ||
1968 | /* If there are no references to this symbol that do not use the | |
1969 | GOT, we don't need to generate a copy reloc. */ | |
1970 | if (!h->non_got_ref) | |
1971 | return TRUE; | |
1972 | ||
1973 | /* If -z nocopyreloc was given, we won't generate them either. */ | |
1974 | if (info->nocopyreloc) | |
1975 | { | |
1976 | h->non_got_ref = 0; | |
1977 | return TRUE; | |
1978 | } | |
1979 | ||
3bf083ed | 1980 | /* If we don't find any dynamic relocs in read-only sections, then |
aa137e4d | 1981 | we'll be keeping the dynamic relocs and avoiding the copy reloc. */ |
3bf083ed | 1982 | if (!readonly_dynrelocs (h)) |
aa137e4d NC |
1983 | { |
1984 | h->non_got_ref = 0; | |
1985 | return TRUE; | |
1986 | } | |
1987 | ||
aa137e4d NC |
1988 | /* We must allocate the symbol in our .dynbss section, which will |
1989 | become part of the .bss section of the executable. There will be | |
1990 | an entry for this symbol in the .dynsym section. The dynamic | |
1991 | object will contain position independent code, so all references | |
1992 | from the dynamic object to this symbol will go through the global | |
1993 | offset table. The dynamic linker will use the .dynsym entry to | |
1994 | determine the address it must put in the global offset table, so | |
1995 | both the dynamic object and the regular object will refer to the | |
1996 | same memory location for the variable. */ | |
1997 | ||
1998 | /* We must generate a R_TILEPRO_COPY reloc to tell the dynamic linker | |
1999 | to copy the initial value out of the dynamic object and into the | |
2000 | runtime process image. We need to remember the offset into the | |
2001 | .rel.bss section we are going to use. */ | |
5474d94f AM |
2002 | if ((h->root.u.def.section->flags & SEC_READONLY) != 0) |
2003 | { | |
2004 | s = htab->elf.sdynrelro; | |
2005 | srel = htab->elf.sreldynrelro; | |
2006 | } | |
2007 | else | |
2008 | { | |
2009 | s = htab->elf.sdynbss; | |
2010 | srel = htab->elf.srelbss; | |
2011 | } | |
1d7e9d18 | 2012 | if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0) |
aa137e4d | 2013 | { |
5474d94f | 2014 | srel->size += TILEPRO_ELF_RELA_BYTES; |
aa137e4d NC |
2015 | h->needs_copy = 1; |
2016 | } | |
2017 | ||
5474d94f | 2018 | return _bfd_elf_adjust_dynamic_copy (info, h, s); |
aa137e4d NC |
2019 | } |
2020 | ||
2021 | /* Allocate space in .plt, .got and associated reloc sections for | |
2022 | dynamic relocs. */ | |
2023 | ||
2024 | static bfd_boolean | |
e4d34ace | 2025 | allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf) |
aa137e4d NC |
2026 | { |
2027 | struct bfd_link_info *info; | |
2028 | struct tilepro_elf_link_hash_table *htab; | |
2029 | struct tilepro_elf_link_hash_entry *eh; | |
3bf083ed | 2030 | struct elf_dyn_relocs *p; |
aa137e4d NC |
2031 | |
2032 | if (h->root.type == bfd_link_hash_indirect) | |
2033 | return TRUE; | |
2034 | ||
aa137e4d NC |
2035 | info = (struct bfd_link_info *) inf; |
2036 | htab = tilepro_elf_hash_table (info); | |
2037 | BFD_ASSERT (htab != NULL); | |
2038 | ||
2039 | if (htab->elf.dynamic_sections_created | |
2040 | && h->plt.refcount > 0) | |
2041 | { | |
2042 | /* Make sure this symbol is output as a dynamic symbol. | |
2043 | Undefined weak syms won't yet be marked as dynamic. */ | |
2044 | if (h->dynindx == -1 | |
2045 | && !h->forced_local) | |
2046 | { | |
2047 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) | |
2048 | return FALSE; | |
2049 | } | |
2050 | ||
0e1862bb | 2051 | if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), h)) |
aa137e4d NC |
2052 | { |
2053 | asection *s = htab->elf.splt; | |
2054 | ||
2055 | /* Allocate room for the header. */ | |
2056 | if (s->size == 0) | |
2057 | { | |
663b5850 | 2058 | s->size = PLT_ENTRY_SIZE; |
aa137e4d NC |
2059 | } |
2060 | ||
07d6d2b8 | 2061 | h->plt.offset = s->size; |
aa137e4d NC |
2062 | |
2063 | /* If this symbol is not defined in a regular file, and we are | |
2064 | not generating a shared library, then set the symbol to this | |
2065 | location in the .plt. This is required to make function | |
2066 | pointers compare as equal between the normal executable and | |
2067 | the shared library. */ | |
0e1862bb | 2068 | if (! bfd_link_pic (info) |
aa137e4d NC |
2069 | && !h->def_regular) |
2070 | { | |
2071 | h->root.u.def.section = s; | |
2072 | h->root.u.def.value = h->plt.offset; | |
2073 | } | |
2074 | ||
2075 | /* Make room for this entry. */ | |
2076 | s->size += PLT_ENTRY_SIZE; | |
2077 | ||
2078 | /* We also need to make an entry in the .got.plt section. */ | |
2079 | htab->elf.sgotplt->size += GOT_ENTRY_SIZE; | |
2080 | ||
2081 | /* We also need to make an entry in the .rela.plt section. */ | |
2082 | htab->elf.srelplt->size += TILEPRO_ELF_RELA_BYTES; | |
2083 | } | |
2084 | else | |
2085 | { | |
2086 | h->plt.offset = (bfd_vma) -1; | |
2087 | h->needs_plt = 0; | |
2088 | } | |
2089 | } | |
2090 | else | |
2091 | { | |
2092 | h->plt.offset = (bfd_vma) -1; | |
2093 | h->needs_plt = 0; | |
2094 | } | |
2095 | ||
6f7be959 WL |
2096 | /* If a TLS_IE symbol is now local to the binary, make it a TLS_LE |
2097 | requiring no TLS entry. */ | |
2098 | if (h->got.refcount > 0 | |
1ba1f393 | 2099 | && bfd_link_executable (info) |
6f7be959 WL |
2100 | && h->dynindx == -1 |
2101 | && tilepro_elf_hash_entry(h)->tls_type == GOT_TLS_IE) | |
2102 | h->got.offset = (bfd_vma) -1; | |
2103 | else if (h->got.refcount > 0) | |
aa137e4d NC |
2104 | { |
2105 | asection *s; | |
2106 | bfd_boolean dyn; | |
2107 | int tls_type = tilepro_elf_hash_entry(h)->tls_type; | |
2108 | ||
2109 | /* Make sure this symbol is output as a dynamic symbol. | |
2110 | Undefined weak syms won't yet be marked as dynamic. */ | |
2111 | if (h->dynindx == -1 | |
2112 | && !h->forced_local) | |
2113 | { | |
2114 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) | |
2115 | return FALSE; | |
2116 | } | |
2117 | ||
2118 | s = htab->elf.sgot; | |
2119 | h->got.offset = s->size; | |
2120 | s->size += TILEPRO_BYTES_PER_WORD; | |
2121 | /* R_TILEPRO_IMM16_Xn_TLS_GD entries need 2 consecutive GOT slots. */ | |
2122 | if (tls_type == GOT_TLS_GD) | |
2123 | s->size += TILEPRO_BYTES_PER_WORD; | |
2124 | dyn = htab->elf.dynamic_sections_created; | |
2125 | /* R_TILEPRO_IMM16_Xn_TLS_IE_xxx needs one dynamic relocation, | |
2126 | R_TILEPRO_IMM16_Xn_TLS_GD_xxx needs two if local symbol and two if | |
2127 | global. */ | |
2128 | if (tls_type == GOT_TLS_GD || tls_type == GOT_TLS_IE) | |
2129 | htab->elf.srelgot->size += 2 * TILEPRO_ELF_RELA_BYTES; | |
0e1862bb L |
2130 | else if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, |
2131 | bfd_link_pic (info), | |
2132 | h)) | |
aa137e4d NC |
2133 | htab->elf.srelgot->size += TILEPRO_ELF_RELA_BYTES; |
2134 | } | |
2135 | else | |
2136 | h->got.offset = (bfd_vma) -1; | |
2137 | ||
2138 | eh = (struct tilepro_elf_link_hash_entry *) h; | |
2139 | if (eh->dyn_relocs == NULL) | |
2140 | return TRUE; | |
2141 | ||
2142 | /* In the shared -Bsymbolic case, discard space allocated for | |
2143 | dynamic pc-relative relocs against symbols which turn out to be | |
2144 | defined in regular objects. For the normal shared case, discard | |
2145 | space for pc-relative relocs that have become local due to symbol | |
2146 | visibility changes. */ | |
2147 | ||
0e1862bb | 2148 | if (bfd_link_pic (info)) |
aa137e4d NC |
2149 | { |
2150 | if (SYMBOL_CALLS_LOCAL (info, h)) | |
2151 | { | |
3bf083ed | 2152 | struct elf_dyn_relocs **pp; |
aa137e4d NC |
2153 | |
2154 | for (pp = &eh->dyn_relocs; (p = *pp) != NULL; ) | |
2155 | { | |
2156 | p->count -= p->pc_count; | |
2157 | p->pc_count = 0; | |
2158 | if (p->count == 0) | |
2159 | *pp = p->next; | |
2160 | else | |
2161 | pp = &p->next; | |
2162 | } | |
2163 | } | |
2164 | ||
2165 | /* Also discard relocs on undefined weak syms with non-default | |
2166 | visibility. */ | |
2167 | if (eh->dyn_relocs != NULL | |
2168 | && h->root.type == bfd_link_hash_undefweak) | |
2169 | { | |
a3cd202a L |
2170 | if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT |
2171 | || UNDEFWEAK_NO_DYNAMIC_RELOC (info, h)) | |
aa137e4d NC |
2172 | eh->dyn_relocs = NULL; |
2173 | ||
2174 | /* Make sure undefined weak symbols are output as a dynamic | |
2175 | symbol in PIEs. */ | |
2176 | else if (h->dynindx == -1 | |
2177 | && !h->forced_local) | |
2178 | { | |
2179 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) | |
2180 | return FALSE; | |
2181 | } | |
2182 | } | |
2183 | } | |
2184 | else | |
2185 | { | |
2186 | /* For the non-shared case, discard space for relocs against | |
2187 | symbols which turn out to need copy relocs or are not | |
2188 | dynamic. */ | |
2189 | ||
2190 | if (!h->non_got_ref | |
2191 | && ((h->def_dynamic | |
2192 | && !h->def_regular) | |
2193 | || (htab->elf.dynamic_sections_created | |
2194 | && (h->root.type == bfd_link_hash_undefweak | |
2195 | || h->root.type == bfd_link_hash_undefined)))) | |
2196 | { | |
2197 | /* Make sure this symbol is output as a dynamic symbol. | |
2198 | Undefined weak syms won't yet be marked as dynamic. */ | |
2199 | if (h->dynindx == -1 | |
2200 | && !h->forced_local) | |
2201 | { | |
2202 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) | |
2203 | return FALSE; | |
2204 | } | |
2205 | ||
2206 | /* If that succeeded, we know we'll be keeping all the | |
2207 | relocs. */ | |
2208 | if (h->dynindx != -1) | |
2209 | goto keep; | |
2210 | } | |
2211 | ||
2212 | eh->dyn_relocs = NULL; | |
2213 | ||
2214 | keep: ; | |
2215 | } | |
2216 | ||
2217 | /* Finally, allocate space. */ | |
2218 | for (p = eh->dyn_relocs; p != NULL; p = p->next) | |
2219 | { | |
2220 | asection *sreloc = elf_section_data (p->sec)->sreloc; | |
2221 | sreloc->size += p->count * TILEPRO_ELF_RELA_BYTES; | |
2222 | } | |
2223 | ||
2224 | return TRUE; | |
2225 | } | |
2226 | ||
63c1f59d AM |
2227 | /* Set DF_TEXTREL if we find any dynamic relocs that apply to |
2228 | read-only sections. */ | |
aa137e4d NC |
2229 | |
2230 | static bfd_boolean | |
63c1f59d | 2231 | maybe_set_textrel (struct elf_link_hash_entry *h, void *info_p) |
aa137e4d | 2232 | { |
63c1f59d | 2233 | asection *sec; |
aa137e4d | 2234 | |
63c1f59d AM |
2235 | if (h->root.type == bfd_link_hash_indirect) |
2236 | return TRUE; | |
aa137e4d | 2237 | |
63c1f59d AM |
2238 | sec = readonly_dynrelocs (h); |
2239 | if (sec != NULL) | |
2240 | { | |
2241 | struct bfd_link_info *info = (struct bfd_link_info *) info_p; | |
aa137e4d | 2242 | |
63c1f59d AM |
2243 | info->flags |= DF_TEXTREL; |
2244 | info->callbacks->minfo | |
c1c8c1ef | 2245 | (_("%pB: dynamic relocation against `%pT' in read-only section `%pA'\n"), |
63c1f59d | 2246 | sec->owner, h->root.root.string, sec); |
007873f5 | 2247 | |
63c1f59d AM |
2248 | /* Not an error, just cut short the traversal. */ |
2249 | return FALSE; | |
aa137e4d NC |
2250 | } |
2251 | return TRUE; | |
2252 | } | |
2253 | ||
2254 | /* Return true if the dynamic symbol for a given section should be | |
2255 | omitted when creating a shared library. */ | |
2256 | ||
2257 | static bfd_boolean | |
2258 | tilepro_elf_omit_section_dynsym (bfd *output_bfd, | |
2259 | struct bfd_link_info *info, | |
2260 | asection *p) | |
2261 | { | |
2262 | /* We keep the .got section symbol so that explicit relocations | |
2263 | against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode | |
2264 | can be turned into relocations against the .got symbol. */ | |
2265 | if (strcmp (p->name, ".got") == 0) | |
2266 | return FALSE; | |
2267 | ||
d00dd7dc | 2268 | return _bfd_elf_omit_section_dynsym_default (output_bfd, info, p); |
aa137e4d NC |
2269 | } |
2270 | ||
2271 | /* Set the sizes of the dynamic sections. */ | |
2272 | ||
2273 | #define ELF32_DYNAMIC_INTERPRETER "/lib/ld.so.1" | |
2274 | ||
2275 | static bfd_boolean | |
2276 | tilepro_elf_size_dynamic_sections (bfd *output_bfd, | |
2277 | struct bfd_link_info *info) | |
2278 | { | |
2279 | (void)output_bfd; | |
2280 | ||
2281 | struct tilepro_elf_link_hash_table *htab; | |
2282 | bfd *dynobj; | |
2283 | asection *s; | |
2284 | bfd *ibfd; | |
2285 | ||
2286 | htab = tilepro_elf_hash_table (info); | |
2287 | BFD_ASSERT (htab != NULL); | |
2288 | dynobj = htab->elf.dynobj; | |
2289 | BFD_ASSERT (dynobj != NULL); | |
2290 | ||
2291 | if (elf_hash_table (info)->dynamic_sections_created) | |
2292 | { | |
2293 | /* Set the contents of the .interp section to the interpreter. */ | |
9b8b325a | 2294 | if (bfd_link_executable (info) && !info->nointerp) |
aa137e4d | 2295 | { |
3d4d4302 | 2296 | s = bfd_get_linker_section (dynobj, ".interp"); |
aa137e4d NC |
2297 | BFD_ASSERT (s != NULL); |
2298 | s->size = sizeof ELF32_DYNAMIC_INTERPRETER; | |
2299 | s->contents = (unsigned char *) ELF32_DYNAMIC_INTERPRETER; | |
2300 | } | |
2301 | } | |
2302 | ||
2303 | /* Set up .got offsets for local syms, and space for local dynamic | |
2304 | relocs. */ | |
c72f2fb2 | 2305 | for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next) |
aa137e4d NC |
2306 | { |
2307 | bfd_signed_vma *local_got; | |
2308 | bfd_signed_vma *end_local_got; | |
2309 | char *local_tls_type; | |
2310 | bfd_size_type locsymcount; | |
2311 | Elf_Internal_Shdr *symtab_hdr; | |
2312 | asection *srel; | |
2313 | ||
2314 | if (! is_tilepro_elf (ibfd)) | |
2315 | continue; | |
2316 | ||
2317 | for (s = ibfd->sections; s != NULL; s = s->next) | |
2318 | { | |
3bf083ed | 2319 | struct elf_dyn_relocs *p; |
aa137e4d NC |
2320 | |
2321 | for (p = elf_section_data (s)->local_dynrel; p != NULL; p = p->next) | |
2322 | { | |
2323 | if (!bfd_is_abs_section (p->sec) | |
2324 | && bfd_is_abs_section (p->sec->output_section)) | |
2325 | { | |
2326 | /* Input section has been discarded, either because | |
2327 | it is a copy of a linkonce section or due to | |
2328 | linker script /DISCARD/, so we'll be discarding | |
2329 | the relocs too. */ | |
2330 | } | |
2331 | else if (p->count != 0) | |
2332 | { | |
2333 | srel = elf_section_data (p->sec)->sreloc; | |
2334 | srel->size += p->count * TILEPRO_ELF_RELA_BYTES; | |
2335 | if ((p->sec->output_section->flags & SEC_READONLY) != 0) | |
007873f5 L |
2336 | { |
2337 | info->flags |= DF_TEXTREL; | |
2338 | ||
871b3ab2 | 2339 | info->callbacks->minfo (_("%pB: dynamic relocation in read-only section `%pA'\n"), |
007873f5 L |
2340 | p->sec->owner, p->sec); |
2341 | } | |
aa137e4d NC |
2342 | } |
2343 | } | |
2344 | } | |
2345 | ||
2346 | local_got = elf_local_got_refcounts (ibfd); | |
2347 | if (!local_got) | |
2348 | continue; | |
2349 | ||
2350 | symtab_hdr = &elf_symtab_hdr (ibfd); | |
2351 | locsymcount = symtab_hdr->sh_info; | |
2352 | end_local_got = local_got + locsymcount; | |
2353 | local_tls_type = _bfd_tilepro_elf_local_got_tls_type (ibfd); | |
2354 | s = htab->elf.sgot; | |
2355 | srel = htab->elf.srelgot; | |
2356 | for (; local_got < end_local_got; ++local_got, ++local_tls_type) | |
2357 | { | |
2358 | if (*local_got > 0) | |
2359 | { | |
2360 | *local_got = s->size; | |
2361 | s->size += TILEPRO_BYTES_PER_WORD; | |
2362 | if (*local_tls_type == GOT_TLS_GD) | |
2363 | s->size += TILEPRO_BYTES_PER_WORD; | |
0e1862bb | 2364 | if (bfd_link_pic (info) |
aa137e4d NC |
2365 | || *local_tls_type == GOT_TLS_GD |
2366 | || *local_tls_type == GOT_TLS_IE) | |
2367 | srel->size += TILEPRO_ELF_RELA_BYTES; | |
2368 | } | |
2369 | else | |
2370 | *local_got = (bfd_vma) -1; | |
2371 | } | |
2372 | } | |
2373 | ||
2374 | /* Allocate global sym .plt and .got entries, and space for global | |
2375 | sym dynamic relocs. */ | |
e4d34ace | 2376 | elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, info); |
aa137e4d NC |
2377 | |
2378 | if (elf_hash_table (info)->dynamic_sections_created) | |
2379 | { | |
2380 | /* If the .got section is more than 0x8000 bytes, we add | |
2381 | 0x8000 to the value of _GLOBAL_OFFSET_TABLE_, so that 16 | |
2382 | bit relocations have a greater chance of working. */ | |
2383 | if (htab->elf.sgot->size >= 0x8000 | |
2384 | && elf_hash_table (info)->hgot->root.u.def.value == 0) | |
2385 | elf_hash_table (info)->hgot->root.u.def.value = 0x8000; | |
2386 | } | |
2387 | ||
2388 | if (htab->elf.sgotplt) | |
2389 | { | |
2390 | struct elf_link_hash_entry *got; | |
2391 | got = elf_link_hash_lookup (elf_hash_table (info), | |
2392 | "_GLOBAL_OFFSET_TABLE_", | |
2393 | FALSE, FALSE, FALSE); | |
2394 | ||
2395 | /* Don't allocate .got.plt section if there are no GOT nor PLT | |
07d6d2b8 | 2396 | entries and there is no refeence to _GLOBAL_OFFSET_TABLE_. */ |
aa137e4d NC |
2397 | if ((got == NULL |
2398 | || !got->ref_regular_nonweak) | |
2399 | && (htab->elf.sgotplt->size | |
2400 | == GOTPLT_HEADER_SIZE) | |
2401 | && (htab->elf.splt == NULL | |
2402 | || htab->elf.splt->size == 0) | |
2403 | && (htab->elf.sgot == NULL | |
2404 | || (htab->elf.sgot->size | |
2405 | == get_elf_backend_data (output_bfd)->got_header_size))) | |
2406 | htab->elf.sgotplt->size = 0; | |
2407 | } | |
2408 | ||
2409 | /* The check_relocs and adjust_dynamic_symbol entry points have | |
2410 | determined the sizes of the various dynamic sections. Allocate | |
2411 | memory for them. */ | |
2412 | for (s = dynobj->sections; s != NULL; s = s->next) | |
2413 | { | |
2414 | if ((s->flags & SEC_LINKER_CREATED) == 0) | |
2415 | continue; | |
2416 | ||
2417 | if (s == htab->elf.splt | |
2418 | || s == htab->elf.sgot | |
2419 | || s == htab->elf.sgotplt | |
5474d94f AM |
2420 | || s == htab->elf.sdynbss |
2421 | || s == htab->elf.sdynrelro) | |
aa137e4d NC |
2422 | { |
2423 | /* Strip this section if we don't need it; see the | |
2424 | comment below. */ | |
2425 | } | |
2426 | else if (strncmp (s->name, ".rela", 5) == 0) | |
2427 | { | |
2428 | if (s->size != 0) | |
2429 | { | |
2430 | /* We use the reloc_count field as a counter if we need | |
2431 | to copy relocs into the output file. */ | |
2432 | s->reloc_count = 0; | |
2433 | } | |
2434 | } | |
2435 | else | |
2436 | { | |
2437 | /* It's not one of our sections. */ | |
2438 | continue; | |
2439 | } | |
2440 | ||
2441 | if (s->size == 0) | |
2442 | { | |
2443 | /* If we don't need this section, strip it from the | |
2444 | output file. This is mostly to handle .rela.bss and | |
2445 | .rela.plt. We must create both sections in | |
2446 | create_dynamic_sections, because they must be created | |
2447 | before the linker maps input sections to output | |
2448 | sections. The linker does that before | |
2449 | adjust_dynamic_symbol is called, and it is that | |
2450 | function which decides whether anything needs to go | |
2451 | into these sections. */ | |
2452 | s->flags |= SEC_EXCLUDE; | |
2453 | continue; | |
2454 | } | |
2455 | ||
2456 | if ((s->flags & SEC_HAS_CONTENTS) == 0) | |
2457 | continue; | |
2458 | ||
2459 | /* Allocate memory for the section contents. Zero the memory | |
2460 | for the benefit of .rela.plt, which has 4 unused entries | |
2461 | at the beginning, and we don't want garbage. */ | |
2462 | s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size); | |
2463 | if (s->contents == NULL) | |
2464 | return FALSE; | |
2465 | } | |
2466 | ||
2467 | if (elf_hash_table (info)->dynamic_sections_created) | |
2468 | { | |
2469 | /* Add some entries to the .dynamic section. We fill in the | |
2470 | values later, in tilepro_elf_finish_dynamic_sections, but we | |
2471 | must add the entries now so that we get the correct size for | |
2472 | the .dynamic section. The DT_DEBUG entry is filled in by the | |
2473 | dynamic linker and used by the debugger. */ | |
2474 | #define add_dynamic_entry(TAG, VAL) \ | |
2475 | _bfd_elf_add_dynamic_entry (info, TAG, VAL) | |
2476 | ||
0e1862bb | 2477 | if (bfd_link_executable (info)) |
aa137e4d NC |
2478 | { |
2479 | if (!add_dynamic_entry (DT_DEBUG, 0)) | |
2480 | return FALSE; | |
2481 | } | |
2482 | ||
2483 | if (htab->elf.srelplt->size != 0) | |
2484 | { | |
2485 | if (!add_dynamic_entry (DT_PLTGOT, 0) | |
2486 | || !add_dynamic_entry (DT_PLTRELSZ, 0) | |
2487 | || !add_dynamic_entry (DT_PLTREL, DT_RELA) | |
2488 | || !add_dynamic_entry (DT_JMPREL, 0)) | |
2489 | return FALSE; | |
2490 | } | |
2491 | ||
2492 | if (!add_dynamic_entry (DT_RELA, 0) | |
2493 | || !add_dynamic_entry (DT_RELASZ, 0) | |
2494 | || !add_dynamic_entry (DT_RELAENT, TILEPRO_ELF_RELA_BYTES)) | |
2495 | return FALSE; | |
2496 | ||
2497 | /* If any dynamic relocs apply to a read-only section, | |
2498 | then we need a DT_TEXTREL entry. */ | |
2499 | if ((info->flags & DF_TEXTREL) == 0) | |
63c1f59d | 2500 | elf_link_hash_traverse (&htab->elf, maybe_set_textrel, info); |
aa137e4d NC |
2501 | |
2502 | if (info->flags & DF_TEXTREL) | |
2503 | { | |
2504 | if (!add_dynamic_entry (DT_TEXTREL, 0)) | |
2505 | return FALSE; | |
2506 | } | |
2507 | } | |
2508 | #undef add_dynamic_entry | |
2509 | ||
2510 | return TRUE; | |
2511 | } | |
2512 | \f | |
2513 | /* Return the base VMA address which should be subtracted from real addresses | |
2514 | when resolving @dtpoff relocation. | |
2515 | This is PT_TLS segment p_vaddr. */ | |
2516 | ||
2517 | static bfd_vma | |
2518 | dtpoff_base (struct bfd_link_info *info) | |
2519 | { | |
2520 | /* If tls_sec is NULL, we should have signalled an error already. */ | |
2521 | if (elf_hash_table (info)->tls_sec == NULL) | |
2522 | return 0; | |
2523 | return elf_hash_table (info)->tls_sec->vma; | |
2524 | } | |
2525 | ||
2526 | /* Return the relocation value for R_TILEPRO_TLS_TPOFF32. */ | |
2527 | ||
2528 | static bfd_vma | |
2529 | tpoff (struct bfd_link_info *info, bfd_vma address) | |
2530 | { | |
2531 | struct elf_link_hash_table *htab = elf_hash_table (info); | |
2532 | ||
2533 | /* If tls_sec is NULL, we should have signalled an error already. */ | |
2534 | if (htab->tls_sec == NULL) | |
2535 | return 0; | |
2536 | ||
2537 | return (address - htab->tls_sec->vma); | |
2538 | } | |
2539 | ||
6f7be959 WL |
2540 | /* Replace the MASK bits in ADDR with those in INSN, for the next |
2541 | TILEPRO_BUNDLE_SIZE_IN_BYTES bytes. */ | |
2542 | ||
2543 | static void | |
2544 | tilepro_replace_insn (bfd_byte *addr, const bfd_byte *mask, | |
2545 | const bfd_byte *insn) | |
2546 | { | |
2547 | int i; | |
2548 | for (i = 0; i < TILEPRO_BUNDLE_SIZE_IN_BYTES; i++) | |
2549 | { | |
2550 | addr[i] = (addr[i] & ~mask[i]) | (insn[i] & mask[i]); | |
2551 | } | |
2552 | } | |
2553 | ||
2554 | /* Mask to extract the bits corresponding to an instruction in a | |
2555 | specific pipe of a bundle. */ | |
2556 | static const bfd_byte insn_mask_X1[] = { | |
2557 | 0x00, 0x00, 0x00, 0x80, 0xff, 0xff, 0xff, 0x7f | |
2558 | }; | |
2559 | ||
2560 | /* Mask to extract the bits corresponding to an instruction in a | |
2561 | specific pipe of a bundle, minus the destination operand and the | |
2562 | first source operand. */ | |
2563 | static const bfd_byte insn_mask_X0_no_dest_no_srca[] = { | |
2564 | 0x00, 0xf0, 0xff, 0x7f, 0x00, 0x00, 0x00, 0x00 | |
2565 | }; | |
2566 | ||
2567 | static const bfd_byte insn_mask_X1_no_dest_no_srca[] = { | |
2568 | 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0xff, 0x7f | |
2569 | }; | |
2570 | ||
2571 | static const bfd_byte insn_mask_Y0_no_dest_no_srca[] = { | |
2572 | 0x00, 0xf0, 0x0f, 0x78, 0x00, 0x00, 0x00, 0x00 | |
2573 | }; | |
2574 | ||
2575 | static const bfd_byte insn_mask_Y1_no_dest_no_srca[] = { | |
2576 | 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x07, 0x78 | |
2577 | }; | |
2578 | ||
2579 | /* Mask to extract the first source operand of an instruction. */ | |
2580 | static const bfd_byte srca_mask_X0[] = { | |
2581 | 0xc0, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 | |
2582 | }; | |
2583 | ||
2584 | static const bfd_byte srca_mask_X1[] = { | |
2585 | 0x00, 0x00, 0x00, 0x00, 0xe0, 0x07, 0x00, 0x00 | |
2586 | }; | |
2587 | ||
2588 | /* Various instructions synthesized to support tls references. */ | |
2589 | ||
2590 | /* move r0, r0 in the X1 pipe, used for tls le. */ | |
2591 | static const bfd_byte insn_tls_le_move_X1[] = { | |
2592 | 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x33, 0x08 | |
2593 | }; | |
2594 | ||
2595 | /* move r0, zero in the X0 and X1 pipe, used for tls le. */ | |
2596 | static const bfd_byte insn_tls_le_move_zero_X0X1[] = { | |
2597 | 0xc0, 0xff, 0xcf, 0x00, 0xe0, 0xff, 0x33, 0x08 | |
2598 | }; | |
2599 | ||
2600 | /* lw r0, r0 in the X1 pipe, used for tls ie. */ | |
2601 | static const bfd_byte insn_tls_ie_lw_X1[] = { | |
2602 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x70, 0x0b, 0x40 | |
2603 | }; | |
2604 | ||
2605 | /* add r0, r0, tp in various pipes, used for tls ie. */ | |
2606 | static const bfd_byte insn_tls_ie_add_X0X1[] = { | |
2607 | 0x00, 0x50, 0x0f, 0x00, 0x00, 0xa8, 0x07, 0x08 | |
2608 | }; | |
2609 | static const bfd_byte insn_tls_ie_add_Y0Y1[] = { | |
2610 | 0x00, 0x50, 0x03, 0x08, 0x00, 0xa8, 0x01, 0x8c | |
2611 | }; | |
2612 | ||
2613 | /* move r0, r0 in various pipes, used for tls gd. */ | |
2614 | static const bfd_byte insn_tls_gd_add_X0X1[] = { | |
2615 | 0x00, 0xf0, 0xcf, 0x00, 0x00, 0xf8, 0x33, 0x08 | |
2616 | }; | |
2617 | static const bfd_byte insn_tls_gd_add_Y0Y1[] = { | |
2618 | 0x00, 0xf0, 0x0b, 0x18, 0x00, 0xf8, 0x05, 0x9c | |
2619 | }; | |
2620 | ||
aa137e4d NC |
2621 | /* Relocate an TILEPRO ELF section. |
2622 | ||
2623 | The RELOCATE_SECTION function is called by the new ELF backend linker | |
2624 | to handle the relocations for a section. | |
2625 | ||
2626 | The relocs are always passed as Rela structures. | |
2627 | ||
2628 | This function is responsible for adjusting the section contents as | |
2629 | necessary, and (if generating a relocatable output file) adjusting | |
2630 | the reloc addend as necessary. | |
2631 | ||
2632 | This function does not have to worry about setting the reloc | |
2633 | address or the reloc symbol index. | |
2634 | ||
2635 | LOCAL_SYMS is a pointer to the swapped in local symbols. | |
2636 | ||
2637 | LOCAL_SECTIONS is an array giving the section in the input file | |
2638 | corresponding to the st_shndx field of each local symbol. | |
2639 | ||
2640 | The global hash table entry for the global symbols can be found | |
2641 | via elf_sym_hashes (input_bfd). | |
2642 | ||
2643 | When generating relocatable output, this function must handle | |
2644 | STB_LOCAL/STT_SECTION symbols specially. The output symbol is | |
2645 | going to be the section symbol corresponding to the output | |
2646 | section, which means that the addend must be adjusted | |
2647 | accordingly. */ | |
2648 | ||
2649 | static bfd_boolean | |
2650 | tilepro_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info, | |
07d6d2b8 AM |
2651 | bfd *input_bfd, asection *input_section, |
2652 | bfd_byte *contents, Elf_Internal_Rela *relocs, | |
2653 | Elf_Internal_Sym *local_syms, | |
2654 | asection **local_sections) | |
aa137e4d NC |
2655 | { |
2656 | struct tilepro_elf_link_hash_table *htab; | |
2657 | Elf_Internal_Shdr *symtab_hdr; | |
2658 | struct elf_link_hash_entry **sym_hashes; | |
2659 | bfd_vma *local_got_offsets; | |
535127d2 | 2660 | bfd_vma got_base; |
aa137e4d NC |
2661 | asection *sreloc; |
2662 | Elf_Internal_Rela *rel; | |
2663 | Elf_Internal_Rela *relend; | |
2664 | int num_relocs; | |
2665 | ||
2666 | htab = tilepro_elf_hash_table (info); | |
2667 | BFD_ASSERT (htab != NULL); | |
2668 | symtab_hdr = &elf_symtab_hdr (input_bfd); | |
2669 | sym_hashes = elf_sym_hashes (input_bfd); | |
2670 | local_got_offsets = elf_local_got_offsets (input_bfd); | |
2671 | ||
535127d2 WL |
2672 | if (elf_hash_table (info)->hgot == NULL) |
2673 | got_base = 0; | |
2674 | else | |
2675 | got_base = elf_hash_table (info)->hgot->root.u.def.value; | |
2676 | ||
aa137e4d NC |
2677 | sreloc = elf_section_data (input_section)->sreloc; |
2678 | ||
2679 | rel = relocs; | |
2680 | num_relocs = input_section->reloc_count; | |
2681 | relend = relocs + num_relocs; | |
2682 | for (; rel < relend; rel++) | |
2683 | { | |
2684 | int r_type, tls_type; | |
6f7be959 | 2685 | bfd_boolean is_tls_iele, is_tls_le; |
aa137e4d NC |
2686 | reloc_howto_type *howto; |
2687 | unsigned long r_symndx; | |
2688 | struct elf_link_hash_entry *h; | |
2689 | Elf_Internal_Sym *sym; | |
2690 | tilepro_create_func create_func; | |
2691 | asection *sec; | |
2692 | bfd_vma relocation; | |
2693 | bfd_reloc_status_type r; | |
2694 | const char *name; | |
2695 | bfd_vma off; | |
2696 | bfd_boolean is_plt = FALSE; | |
a3cd202a | 2697 | bfd_boolean resolved_to_zero; |
aa137e4d NC |
2698 | bfd_boolean unresolved_reloc; |
2699 | ||
2700 | r_type = ELF32_R_TYPE (rel->r_info); | |
2701 | if (r_type == R_TILEPRO_GNU_VTINHERIT | |
2702 | || r_type == R_TILEPRO_GNU_VTENTRY) | |
2703 | continue; | |
2704 | ||
2705 | if ((unsigned int)r_type >= NELEMS(tilepro_elf_howto_table)) | |
47aeb64c | 2706 | return _bfd_unrecognized_reloc (input_bfd, input_section, r_type); |
aa137e4d NC |
2707 | |
2708 | howto = tilepro_elf_howto_table + r_type; | |
2709 | ||
2710 | /* This is a final link. */ | |
2711 | r_symndx = ELF32_R_SYM (rel->r_info); | |
2712 | h = NULL; | |
2713 | sym = NULL; | |
2714 | sec = NULL; | |
2715 | unresolved_reloc = FALSE; | |
2716 | if (r_symndx < symtab_hdr->sh_info) | |
2717 | { | |
2718 | sym = local_syms + r_symndx; | |
2719 | sec = local_sections[r_symndx]; | |
2720 | relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel); | |
2721 | } | |
2722 | else | |
2723 | { | |
62d887d4 L |
2724 | bfd_boolean warned ATTRIBUTE_UNUSED; |
2725 | bfd_boolean ignored ATTRIBUTE_UNUSED; | |
aa137e4d NC |
2726 | |
2727 | RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel, | |
2728 | r_symndx, symtab_hdr, sym_hashes, | |
2729 | h, sec, relocation, | |
62d887d4 | 2730 | unresolved_reloc, warned, ignored); |
aa137e4d NC |
2731 | if (warned) |
2732 | { | |
2733 | /* To avoid generating warning messages about truncated | |
2734 | relocations, set the relocation's address to be the same as | |
2735 | the start of this section. */ | |
2736 | if (input_section->output_section != NULL) | |
2737 | relocation = input_section->output_section->vma; | |
2738 | else | |
2739 | relocation = 0; | |
2740 | } | |
2741 | } | |
2742 | ||
dbaa2011 | 2743 | if (sec != NULL && discarded_section (sec)) |
aa137e4d | 2744 | RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section, |
545fd46b | 2745 | rel, 1, relend, howto, 0, contents); |
aa137e4d | 2746 | |
0e1862bb | 2747 | if (bfd_link_relocatable (info)) |
aa137e4d NC |
2748 | continue; |
2749 | ||
2750 | if (h != NULL) | |
2751 | name = h->root.root.string; | |
2752 | else | |
2753 | { | |
2754 | name = (bfd_elf_string_from_elf_section | |
2755 | (input_bfd, symtab_hdr->sh_link, sym->st_name)); | |
2756 | if (name == NULL || *name == '\0') | |
2757 | name = bfd_section_name (input_bfd, sec); | |
2758 | } | |
2759 | ||
6f7be959 WL |
2760 | switch (r_type) |
2761 | { | |
2762 | case R_TILEPRO_TLS_GD_CALL: | |
2763 | case R_TILEPRO_IMM8_X0_TLS_GD_ADD: | |
2764 | case R_TILEPRO_IMM8_Y0_TLS_GD_ADD: | |
2765 | case R_TILEPRO_IMM8_X1_TLS_GD_ADD: | |
2766 | case R_TILEPRO_IMM8_Y1_TLS_GD_ADD: | |
2767 | case R_TILEPRO_IMM16_X0_TLS_GD_HA: | |
2768 | case R_TILEPRO_IMM16_X1_TLS_GD_HA: | |
2769 | case R_TILEPRO_IMM16_X0_TLS_IE_HA: | |
2770 | case R_TILEPRO_IMM16_X1_TLS_IE_HA: | |
2771 | tls_type = GOT_UNKNOWN; | |
2772 | if (h == NULL && local_got_offsets) | |
2773 | tls_type = | |
2774 | _bfd_tilepro_elf_local_got_tls_type (input_bfd) [r_symndx]; | |
2775 | else if (h != NULL) | |
2776 | tls_type = tilepro_elf_hash_entry(h)->tls_type; | |
2777 | ||
1ba1f393 L |
2778 | is_tls_iele = (bfd_link_executable (info) || tls_type == GOT_TLS_IE); |
2779 | is_tls_le = is_tls_iele && (bfd_link_executable (info) | |
6f7be959 WL |
2780 | && (h == NULL || h->dynindx == -1)); |
2781 | ||
2782 | if (r_type == R_TILEPRO_TLS_GD_CALL) | |
2783 | { | |
2784 | if (is_tls_le) | |
2785 | { | |
2786 | /* GD -> LE */ | |
2787 | tilepro_replace_insn (contents + rel->r_offset, | |
2788 | insn_mask_X1, insn_tls_le_move_X1); | |
2789 | continue; | |
2790 | } | |
2791 | else if (is_tls_iele) | |
2792 | { | |
2793 | /* GD -> IE */ | |
2794 | tilepro_replace_insn (contents + rel->r_offset, | |
2795 | insn_mask_X1, insn_tls_ie_lw_X1); | |
2796 | continue; | |
2797 | } | |
2798 | ||
2799 | /* GD -> GD */ | |
2800 | h = (struct elf_link_hash_entry *) | |
2801 | bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE, | |
2802 | FALSE, TRUE); | |
2803 | BFD_ASSERT (h != NULL); | |
2804 | r_type = R_TILEPRO_JOFFLONG_X1_PLT; | |
2805 | howto = tilepro_elf_howto_table + r_type; | |
2806 | } | |
2807 | else if (r_type == R_TILEPRO_IMM16_X0_TLS_GD_HA | |
2808 | || r_type == R_TILEPRO_IMM16_X0_TLS_IE_HA) | |
2809 | { | |
2810 | if (is_tls_le) | |
2811 | tilepro_replace_insn (contents + rel->r_offset, srca_mask_X0, | |
2812 | insn_tls_le_move_zero_X0X1); | |
2813 | } | |
2814 | else if (r_type == R_TILEPRO_IMM16_X1_TLS_GD_HA | |
2815 | || r_type == R_TILEPRO_IMM16_X1_TLS_IE_HA) | |
2816 | { | |
2817 | if (is_tls_le) | |
2818 | tilepro_replace_insn (contents + rel->r_offset, srca_mask_X1, | |
2819 | insn_tls_le_move_zero_X0X1); | |
2820 | } | |
2821 | else | |
2822 | { | |
2823 | const bfd_byte *mask = NULL; | |
2824 | const bfd_byte *add_insn = NULL; | |
2825 | ||
2826 | switch (r_type) | |
2827 | { | |
2828 | case R_TILEPRO_IMM8_X0_TLS_GD_ADD: | |
2829 | add_insn = is_tls_iele ? insn_tls_ie_add_X0X1 | |
2830 | : insn_tls_gd_add_X0X1; | |
2831 | mask = insn_mask_X0_no_dest_no_srca; | |
2832 | break; | |
2833 | case R_TILEPRO_IMM8_X1_TLS_GD_ADD: | |
2834 | add_insn = is_tls_iele ? insn_tls_ie_add_X0X1 | |
2835 | : insn_tls_gd_add_X0X1; | |
2836 | mask = insn_mask_X1_no_dest_no_srca; | |
2837 | break; | |
2838 | case R_TILEPRO_IMM8_Y0_TLS_GD_ADD: | |
2839 | add_insn = is_tls_iele ? insn_tls_ie_add_Y0Y1 | |
2840 | : insn_tls_gd_add_Y0Y1; | |
2841 | mask = insn_mask_Y0_no_dest_no_srca; | |
2842 | break; | |
2843 | case R_TILEPRO_IMM8_Y1_TLS_GD_ADD: | |
2844 | add_insn = is_tls_iele ? insn_tls_ie_add_Y0Y1 | |
2845 | : insn_tls_gd_add_Y0Y1; | |
2846 | mask = insn_mask_Y1_no_dest_no_srca; | |
2847 | break; | |
2848 | } | |
2849 | ||
2850 | tilepro_replace_insn (contents + rel->r_offset, mask, add_insn); | |
2851 | ||
2852 | continue; | |
2853 | } | |
2854 | break; | |
2855 | case R_TILEPRO_TLS_IE_LOAD: | |
1ba1f393 | 2856 | if (bfd_link_executable (info) && (h == NULL || h->dynindx == -1)) |
6f7be959 WL |
2857 | /* IE -> LE */ |
2858 | tilepro_replace_insn (contents + rel->r_offset, | |
2859 | insn_mask_X1_no_dest_no_srca, | |
2860 | insn_tls_le_move_X1); | |
2861 | else | |
2862 | /* IE -> IE */ | |
2863 | tilepro_replace_insn (contents + rel->r_offset, | |
2864 | insn_mask_X1_no_dest_no_srca, | |
2865 | insn_tls_ie_lw_X1); | |
2866 | continue; | |
2867 | break; | |
2868 | default: | |
2869 | break; | |
2870 | } | |
2871 | ||
a3cd202a L |
2872 | resolved_to_zero = (h != NULL |
2873 | && UNDEFWEAK_NO_DYNAMIC_RELOC (info, h)); | |
2874 | ||
aa137e4d NC |
2875 | switch (r_type) |
2876 | { | |
07d6d2b8 AM |
2877 | case R_TILEPRO_IMM16_X0_GOT: |
2878 | case R_TILEPRO_IMM16_X1_GOT: | |
2879 | case R_TILEPRO_IMM16_X0_GOT_LO: | |
2880 | case R_TILEPRO_IMM16_X1_GOT_LO: | |
2881 | case R_TILEPRO_IMM16_X0_GOT_HI: | |
2882 | case R_TILEPRO_IMM16_X1_GOT_HI: | |
2883 | case R_TILEPRO_IMM16_X0_GOT_HA: | |
2884 | case R_TILEPRO_IMM16_X1_GOT_HA: | |
aa137e4d NC |
2885 | /* Relocation is to the entry for this symbol in the global |
2886 | offset table. */ | |
2887 | if (htab->elf.sgot == NULL) | |
2888 | abort (); | |
2889 | ||
2890 | if (h != NULL) | |
2891 | { | |
2892 | bfd_boolean dyn; | |
2893 | ||
2894 | off = h->got.offset; | |
2895 | BFD_ASSERT (off != (bfd_vma) -1); | |
2896 | dyn = elf_hash_table (info)->dynamic_sections_created; | |
2897 | ||
0e1862bb L |
2898 | if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, |
2899 | bfd_link_pic (info), | |
2900 | h) | |
2901 | || (bfd_link_pic (info) | |
aa137e4d NC |
2902 | && SYMBOL_REFERENCES_LOCAL (info, h))) |
2903 | { | |
2904 | /* This is actually a static link, or it is a | |
2905 | -Bsymbolic link and the symbol is defined | |
2906 | locally, or the symbol was forced to be local | |
2907 | because of a version file. We must initialize | |
2908 | this entry in the global offset table. Since the | |
2909 | offset must always be a multiple | |
2910 | of 4 for 32-bit, we use the least significant bit | |
2911 | to record whether we have initialized it already. | |
2912 | ||
2913 | When doing a dynamic link, we create a .rela.got | |
2914 | relocation entry to initialize the value. This | |
2915 | is done in the finish_dynamic_symbol routine. */ | |
2916 | if ((off & 1) != 0) | |
2917 | off &= ~1; | |
2918 | else | |
2919 | { | |
2920 | bfd_put_32 (output_bfd, relocation, | |
2921 | htab->elf.sgot->contents + off); | |
2922 | h->got.offset |= 1; | |
2923 | } | |
2924 | } | |
2925 | else | |
2926 | unresolved_reloc = FALSE; | |
2927 | } | |
2928 | else | |
2929 | { | |
2930 | BFD_ASSERT (local_got_offsets != NULL | |
2931 | && local_got_offsets[r_symndx] != (bfd_vma) -1); | |
2932 | ||
2933 | off = local_got_offsets[r_symndx]; | |
2934 | ||
2935 | /* The offset must always be a multiple of 4 on 32-bit. | |
07d6d2b8 | 2936 | We use the least significant bit to record |
aa137e4d NC |
2937 | whether we have already processed this entry. */ |
2938 | if ((off & 1) != 0) | |
2939 | off &= ~1; | |
2940 | else | |
2941 | { | |
0e1862bb | 2942 | if (bfd_link_pic (info)) |
aa137e4d NC |
2943 | { |
2944 | asection *s; | |
2945 | Elf_Internal_Rela outrel; | |
2946 | ||
2947 | /* We need to generate a R_TILEPRO_RELATIVE reloc | |
2948 | for the dynamic linker. */ | |
2949 | s = htab->elf.srelgot; | |
2950 | BFD_ASSERT (s != NULL); | |
2951 | ||
2952 | outrel.r_offset = (htab->elf.sgot->output_section->vma | |
2953 | + htab->elf.sgot->output_offset | |
2954 | + off); | |
2955 | outrel.r_info = ELF32_R_INFO (0, R_TILEPRO_RELATIVE); | |
2956 | outrel.r_addend = relocation; | |
2957 | relocation = 0; | |
2958 | tilepro_elf_append_rela_32 (output_bfd, s, &outrel); | |
2959 | } | |
2960 | ||
2961 | bfd_put_32 (output_bfd, relocation, | |
2962 | htab->elf.sgot->contents + off); | |
2963 | local_got_offsets[r_symndx] |= 1; | |
2964 | } | |
2965 | } | |
535127d2 | 2966 | relocation = off - got_base; |
aa137e4d NC |
2967 | break; |
2968 | ||
07d6d2b8 | 2969 | case R_TILEPRO_JOFFLONG_X1_PLT: |
aa137e4d NC |
2970 | /* Relocation is to the entry for this symbol in the |
2971 | procedure linkage table. */ | |
07d6d2b8 | 2972 | BFD_ASSERT (h != NULL); |
aa137e4d NC |
2973 | |
2974 | if (h->plt.offset == (bfd_vma) -1 || htab->elf.splt == NULL) | |
2975 | { | |
2976 | /* We didn't make a PLT entry for this symbol. This | |
2977 | happens when statically linking PIC code, or when | |
2978 | using -Bsymbolic. */ | |
2979 | break; | |
2980 | } | |
2981 | ||
2982 | relocation = (htab->elf.splt->output_section->vma | |
2983 | + htab->elf.splt->output_offset | |
2984 | + h->plt.offset); | |
2985 | unresolved_reloc = FALSE; | |
2986 | break; | |
2987 | ||
07d6d2b8 AM |
2988 | case R_TILEPRO_32_PCREL: |
2989 | case R_TILEPRO_16_PCREL: | |
2990 | case R_TILEPRO_8_PCREL: | |
2991 | case R_TILEPRO_IMM16_X0_PCREL: | |
2992 | case R_TILEPRO_IMM16_X1_PCREL: | |
2993 | case R_TILEPRO_IMM16_X0_LO_PCREL: | |
2994 | case R_TILEPRO_IMM16_X1_LO_PCREL: | |
2995 | case R_TILEPRO_IMM16_X0_HI_PCREL: | |
2996 | case R_TILEPRO_IMM16_X1_HI_PCREL: | |
2997 | case R_TILEPRO_IMM16_X0_HA_PCREL: | |
2998 | case R_TILEPRO_IMM16_X1_HA_PCREL: | |
aa137e4d NC |
2999 | if (h != NULL |
3000 | && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0) | |
3001 | break; | |
3002 | /* Fall through. */ | |
07d6d2b8 AM |
3003 | case R_TILEPRO_32: |
3004 | case R_TILEPRO_16: | |
3005 | case R_TILEPRO_8: | |
3006 | case R_TILEPRO_LO16: | |
3007 | case R_TILEPRO_HI16: | |
3008 | case R_TILEPRO_HA16: | |
3009 | case R_TILEPRO_COPY: | |
3010 | case R_TILEPRO_GLOB_DAT: | |
3011 | case R_TILEPRO_JMP_SLOT: | |
3012 | case R_TILEPRO_RELATIVE: | |
3013 | case R_TILEPRO_BROFF_X1: | |
3014 | case R_TILEPRO_JOFFLONG_X1: | |
3015 | case R_TILEPRO_IMM8_X0: | |
3016 | case R_TILEPRO_IMM8_Y0: | |
3017 | case R_TILEPRO_IMM8_X1: | |
3018 | case R_TILEPRO_IMM8_Y1: | |
3019 | case R_TILEPRO_DEST_IMM8_X1: | |
3020 | case R_TILEPRO_MT_IMM15_X1: | |
3021 | case R_TILEPRO_MF_IMM15_X1: | |
3022 | case R_TILEPRO_IMM16_X0: | |
3023 | case R_TILEPRO_IMM16_X1: | |
3024 | case R_TILEPRO_IMM16_X0_LO: | |
3025 | case R_TILEPRO_IMM16_X1_LO: | |
3026 | case R_TILEPRO_IMM16_X0_HI: | |
3027 | case R_TILEPRO_IMM16_X1_HI: | |
3028 | case R_TILEPRO_IMM16_X0_HA: | |
3029 | case R_TILEPRO_IMM16_X1_HA: | |
3030 | case R_TILEPRO_MMSTART_X0: | |
3031 | case R_TILEPRO_MMEND_X0: | |
3032 | case R_TILEPRO_MMSTART_X1: | |
3033 | case R_TILEPRO_MMEND_X1: | |
3034 | case R_TILEPRO_SHAMT_X0: | |
3035 | case R_TILEPRO_SHAMT_X1: | |
3036 | case R_TILEPRO_SHAMT_Y0: | |
3037 | case R_TILEPRO_SHAMT_Y1: | |
aa137e4d NC |
3038 | if ((input_section->flags & SEC_ALLOC) == 0) |
3039 | break; | |
3040 | ||
0e1862bb | 3041 | if ((bfd_link_pic (info) |
aa137e4d | 3042 | && (h == NULL |
a3cd202a L |
3043 | || (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT |
3044 | && !resolved_to_zero) | |
aa137e4d NC |
3045 | || h->root.type != bfd_link_hash_undefweak) |
3046 | && (! howto->pc_relative | |
3047 | || !SYMBOL_CALLS_LOCAL (info, h))) | |
0e1862bb | 3048 | || (!bfd_link_pic (info) |
aa137e4d NC |
3049 | && h != NULL |
3050 | && h->dynindx != -1 | |
3051 | && !h->non_got_ref | |
3052 | && ((h->def_dynamic | |
3053 | && !h->def_regular) | |
3054 | || h->root.type == bfd_link_hash_undefweak | |
3055 | || h->root.type == bfd_link_hash_undefined))) | |
3056 | { | |
3057 | Elf_Internal_Rela outrel; | |
3058 | bfd_boolean skip, relocate = FALSE; | |
3059 | ||
3060 | /* When generating a shared object, these relocations | |
3061 | are copied into the output file to be resolved at run | |
3062 | time. */ | |
3063 | ||
3064 | BFD_ASSERT (sreloc != NULL); | |
3065 | ||
3066 | skip = FALSE; | |
3067 | ||
3068 | outrel.r_offset = | |
3069 | _bfd_elf_section_offset (output_bfd, info, input_section, | |
3070 | rel->r_offset); | |
3071 | if (outrel.r_offset == (bfd_vma) -1) | |
3072 | skip = TRUE; | |
3073 | else if (outrel.r_offset == (bfd_vma) -2) | |
3074 | skip = TRUE, relocate = TRUE; | |
3075 | outrel.r_offset += (input_section->output_section->vma | |
3076 | + input_section->output_offset); | |
3077 | ||
3078 | switch (r_type) | |
3079 | { | |
07d6d2b8 AM |
3080 | case R_TILEPRO_32_PCREL: |
3081 | case R_TILEPRO_16_PCREL: | |
3082 | case R_TILEPRO_8_PCREL: | |
aa137e4d NC |
3083 | /* If the symbol is not dynamic, we should not keep |
3084 | a dynamic relocation. But an .rela.* slot has been | |
3085 | allocated for it, output R_TILEPRO_NONE. | |
3086 | FIXME: Add code tracking needed dynamic relocs as | |
3087 | e.g. i386 has. */ | |
3088 | if (h->dynindx == -1) | |
3089 | skip = TRUE, relocate = TRUE; | |
3090 | break; | |
3091 | } | |
3092 | ||
3093 | if (skip) | |
3094 | memset (&outrel, 0, sizeof outrel); | |
3095 | /* h->dynindx may be -1 if the symbol was marked to | |
3096 | become local. */ | |
3097 | else if (h != NULL && | |
3098 | h->dynindx != -1 | |
3099 | && (! is_plt | |
0e1862bb | 3100 | || !bfd_link_pic (info) |
aa137e4d NC |
3101 | || !SYMBOLIC_BIND (info, h) |
3102 | || !h->def_regular)) | |
3103 | { | |
3104 | BFD_ASSERT (h->dynindx != -1); | |
3105 | outrel.r_info = ELF32_R_INFO (h->dynindx, r_type); | |
3106 | outrel.r_addend = rel->r_addend; | |
3107 | } | |
3108 | else | |
3109 | { | |
3110 | if (r_type == R_TILEPRO_32) | |
3111 | { | |
3112 | outrel.r_info = ELF32_R_INFO (0, R_TILEPRO_RELATIVE); | |
3113 | outrel.r_addend = relocation + rel->r_addend; | |
3114 | } | |
3115 | else | |
3116 | { | |
3117 | long indx; | |
3118 | ||
3119 | outrel.r_addend = relocation + rel->r_addend; | |
3120 | ||
3121 | if (is_plt) | |
3122 | sec = htab->elf.splt; | |
3123 | ||
3124 | if (bfd_is_abs_section (sec)) | |
3125 | indx = 0; | |
3126 | else if (sec == NULL || sec->owner == NULL) | |
3127 | { | |
3128 | bfd_set_error (bfd_error_bad_value); | |
3129 | return FALSE; | |
3130 | } | |
3131 | else | |
3132 | { | |
3133 | asection *osec; | |
3134 | ||
3135 | /* We are turning this relocation into one | |
3136 | against a section symbol. It would be | |
3137 | proper to subtract the symbol's value, | |
3138 | osec->vma, from the emitted reloc addend, | |
3139 | but ld.so expects buggy relocs. */ | |
3140 | osec = sec->output_section; | |
3141 | indx = elf_section_data (osec)->dynindx; | |
3142 | ||
3143 | if (indx == 0) | |
3144 | { | |
3145 | osec = htab->elf.text_index_section; | |
3146 | indx = elf_section_data (osec)->dynindx; | |
3147 | } | |
3148 | ||
3149 | /* FIXME: we really should be able to link non-pic | |
3150 | shared libraries. */ | |
3151 | if (indx == 0) | |
3152 | { | |
3153 | BFD_FAIL (); | |
4eca0228 | 3154 | _bfd_error_handler |
871b3ab2 | 3155 | (_("%pB: probably compiled without -fPIC?"), |
aa137e4d NC |
3156 | input_bfd); |
3157 | bfd_set_error (bfd_error_bad_value); | |
3158 | return FALSE; | |
3159 | } | |
3160 | } | |
3161 | ||
3162 | outrel.r_info = ELF32_R_INFO (indx, r_type); | |
3163 | } | |
3164 | } | |
3165 | ||
3166 | tilepro_elf_append_rela_32 (output_bfd, sreloc, &outrel); | |
3167 | ||
3168 | /* This reloc will be computed at runtime, so there's no | |
3169 | need to do anything now. */ | |
3170 | if (! relocate) | |
3171 | continue; | |
3172 | } | |
3173 | break; | |
3174 | ||
07d6d2b8 AM |
3175 | case R_TILEPRO_IMM16_X0_TLS_LE: |
3176 | case R_TILEPRO_IMM16_X1_TLS_LE: | |
3177 | case R_TILEPRO_IMM16_X0_TLS_LE_LO: | |
3178 | case R_TILEPRO_IMM16_X1_TLS_LE_LO: | |
3179 | case R_TILEPRO_IMM16_X0_TLS_LE_HI: | |
3180 | case R_TILEPRO_IMM16_X1_TLS_LE_HI: | |
3181 | case R_TILEPRO_IMM16_X0_TLS_LE_HA: | |
3182 | case R_TILEPRO_IMM16_X1_TLS_LE_HA: | |
1ba1f393 | 3183 | if (!bfd_link_executable (info)) |
6f7be959 WL |
3184 | { |
3185 | Elf_Internal_Rela outrel; | |
3186 | bfd_boolean skip; | |
3187 | ||
3188 | BFD_ASSERT (sreloc != NULL); | |
3189 | skip = FALSE; | |
3190 | outrel.r_offset = | |
3191 | _bfd_elf_section_offset (output_bfd, info, input_section, | |
3192 | rel->r_offset); | |
3193 | if (outrel.r_offset == (bfd_vma) -1) | |
3194 | skip = TRUE; | |
3195 | else if (outrel.r_offset == (bfd_vma) -2) | |
3196 | skip = TRUE; | |
3197 | outrel.r_offset += (input_section->output_section->vma | |
3198 | + input_section->output_offset); | |
3199 | if (skip) | |
3200 | memset (&outrel, 0, sizeof outrel); | |
3201 | else | |
3202 | { | |
3203 | outrel.r_info = ELF32_R_INFO (0, r_type); | |
3204 | outrel.r_addend = relocation - dtpoff_base (info) | |
3205 | + rel->r_addend; | |
3206 | } | |
3207 | ||
3208 | tilepro_elf_append_rela_32 (output_bfd, sreloc, &outrel); | |
3209 | continue; | |
3210 | } | |
3211 | relocation = tpoff (info, relocation); | |
3212 | break; | |
3213 | ||
07d6d2b8 AM |
3214 | case R_TILEPRO_IMM16_X0_TLS_GD: |
3215 | case R_TILEPRO_IMM16_X1_TLS_GD: | |
3216 | case R_TILEPRO_IMM16_X0_TLS_GD_LO: | |
3217 | case R_TILEPRO_IMM16_X1_TLS_GD_LO: | |
3218 | case R_TILEPRO_IMM16_X0_TLS_GD_HI: | |
3219 | case R_TILEPRO_IMM16_X1_TLS_GD_HI: | |
3220 | case R_TILEPRO_IMM16_X0_TLS_GD_HA: | |
3221 | case R_TILEPRO_IMM16_X1_TLS_GD_HA: | |
3222 | case R_TILEPRO_IMM16_X0_TLS_IE: | |
3223 | case R_TILEPRO_IMM16_X1_TLS_IE: | |
3224 | case R_TILEPRO_IMM16_X0_TLS_IE_LO: | |
3225 | case R_TILEPRO_IMM16_X1_TLS_IE_LO: | |
3226 | case R_TILEPRO_IMM16_X0_TLS_IE_HI: | |
3227 | case R_TILEPRO_IMM16_X1_TLS_IE_HI: | |
3228 | case R_TILEPRO_IMM16_X0_TLS_IE_HA: | |
3229 | case R_TILEPRO_IMM16_X1_TLS_IE_HA: | |
6f7be959 | 3230 | r_type = tilepro_elf_tls_transition (info, r_type, h == NULL); |
07d6d2b8 | 3231 | tls_type = GOT_UNKNOWN; |
aa137e4d NC |
3232 | if (h == NULL && local_got_offsets) |
3233 | tls_type | |
3234 | = _bfd_tilepro_elf_local_got_tls_type (input_bfd) [r_symndx]; | |
3235 | else if (h != NULL) | |
3236 | { | |
3237 | tls_type = tilepro_elf_hash_entry(h)->tls_type; | |
1ba1f393 L |
3238 | if (bfd_link_executable (info) |
3239 | && h->dynindx == -1 | |
3240 | && tls_type == GOT_TLS_IE) | |
6f7be959 | 3241 | r_type = tilepro_tls_translate_to_le (r_type); |
aa137e4d NC |
3242 | } |
3243 | if (tls_type == GOT_TLS_IE) | |
6f7be959 WL |
3244 | r_type = tilepro_tls_translate_to_ie (r_type); |
3245 | ||
3246 | if (r_type == R_TILEPRO_IMM16_X0_TLS_LE | |
3247 | || r_type == R_TILEPRO_IMM16_X1_TLS_LE | |
3248 | || r_type == R_TILEPRO_IMM16_X0_TLS_LE_LO | |
3249 | || r_type == R_TILEPRO_IMM16_X1_TLS_LE_LO | |
3250 | || r_type == R_TILEPRO_IMM16_X0_TLS_LE_HI | |
3251 | || r_type == R_TILEPRO_IMM16_X1_TLS_LE_HI | |
3252 | || r_type == R_TILEPRO_IMM16_X0_TLS_LE_HA | |
3253 | || r_type == R_TILEPRO_IMM16_X1_TLS_LE_HA) | |
3254 | { | |
3255 | relocation = tpoff (info, relocation); | |
3256 | break; | |
3257 | } | |
aa137e4d NC |
3258 | |
3259 | if (h != NULL) | |
3260 | { | |
3261 | off = h->got.offset; | |
3262 | h->got.offset |= 1; | |
3263 | } | |
3264 | else | |
3265 | { | |
3266 | BFD_ASSERT (local_got_offsets != NULL); | |
3267 | off = local_got_offsets[r_symndx]; | |
3268 | local_got_offsets[r_symndx] |= 1; | |
3269 | } | |
3270 | ||
3271 | if (htab->elf.sgot == NULL) | |
3272 | abort (); | |
3273 | ||
3274 | if ((off & 1) != 0) | |
3275 | off &= ~1; | |
3276 | else | |
3277 | { | |
3278 | Elf_Internal_Rela outrel; | |
3279 | int indx = 0; | |
3280 | bfd_boolean need_relocs = FALSE; | |
3281 | ||
3282 | if (htab->elf.srelgot == NULL) | |
3283 | abort (); | |
3284 | ||
3285 | if (h != NULL) | |
3286 | { | |
07d6d2b8 AM |
3287 | bfd_boolean dyn; |
3288 | dyn = htab->elf.dynamic_sections_created; | |
aa137e4d | 3289 | |
0e1862bb L |
3290 | if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, |
3291 | bfd_link_pic (info), | |
3292 | h) | |
3293 | && (!bfd_link_pic (info) | |
aa137e4d NC |
3294 | || !SYMBOL_REFERENCES_LOCAL (info, h))) |
3295 | { | |
3296 | indx = h->dynindx; | |
3297 | } | |
3298 | } | |
3299 | ||
3300 | /* The GOT entries have not been initialized yet. Do it | |
07d6d2b8 | 3301 | now, and emit any relocations. */ |
0e1862bb | 3302 | if ((bfd_link_pic (info) || indx != 0) |
aa137e4d NC |
3303 | && (h == NULL |
3304 | || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT | |
3305 | || h->root.type != bfd_link_hash_undefweak)) | |
3306 | need_relocs = TRUE; | |
3307 | ||
07d6d2b8 AM |
3308 | switch (r_type) |
3309 | { | |
3310 | case R_TILEPRO_IMM16_X0_TLS_IE: | |
3311 | case R_TILEPRO_IMM16_X1_TLS_IE: | |
3312 | case R_TILEPRO_IMM16_X0_TLS_IE_LO: | |
3313 | case R_TILEPRO_IMM16_X1_TLS_IE_LO: | |
3314 | case R_TILEPRO_IMM16_X0_TLS_IE_HI: | |
3315 | case R_TILEPRO_IMM16_X1_TLS_IE_HI: | |
3316 | case R_TILEPRO_IMM16_X0_TLS_IE_HA: | |
3317 | case R_TILEPRO_IMM16_X1_TLS_IE_HA: | |
aa137e4d | 3318 | if (need_relocs) { |
07d6d2b8 AM |
3319 | bfd_put_32 (output_bfd, 0, htab->elf.sgot->contents + off); |
3320 | outrel.r_offset = (htab->elf.sgot->output_section->vma | |
aa137e4d | 3321 | + htab->elf.sgot->output_offset + off); |
07d6d2b8 | 3322 | outrel.r_addend = 0; |
aa137e4d | 3323 | if (indx == 0) |
07d6d2b8 | 3324 | outrel.r_addend = relocation - dtpoff_base (info); |
aa137e4d NC |
3325 | outrel.r_info = ELF32_R_INFO (indx, R_TILEPRO_TLS_TPOFF32); |
3326 | tilepro_elf_append_rela_32 (output_bfd, htab->elf.srelgot, | |
3327 | &outrel); | |
07d6d2b8 | 3328 | } else { |
aa137e4d NC |
3329 | bfd_put_32 (output_bfd, tpoff (info, relocation), |
3330 | htab->elf.sgot->contents + off); | |
07d6d2b8 AM |
3331 | } |
3332 | break; | |
aa137e4d NC |
3333 | |
3334 | case R_TILEPRO_IMM16_X0_TLS_GD: | |
3335 | case R_TILEPRO_IMM16_X1_TLS_GD: | |
3336 | case R_TILEPRO_IMM16_X0_TLS_GD_LO: | |
3337 | case R_TILEPRO_IMM16_X1_TLS_GD_LO: | |
3338 | case R_TILEPRO_IMM16_X0_TLS_GD_HI: | |
3339 | case R_TILEPRO_IMM16_X1_TLS_GD_HI: | |
3340 | case R_TILEPRO_IMM16_X0_TLS_GD_HA: | |
3341 | case R_TILEPRO_IMM16_X1_TLS_GD_HA: | |
3342 | if (need_relocs) { | |
07d6d2b8 | 3343 | outrel.r_offset = (htab->elf.sgot->output_section->vma |
aa137e4d | 3344 | + htab->elf.sgot->output_offset + off); |
07d6d2b8 AM |
3345 | outrel.r_addend = 0; |
3346 | outrel.r_info = ELF32_R_INFO (indx, R_TILEPRO_TLS_DTPMOD32); | |
3347 | bfd_put_32 (output_bfd, 0, htab->elf.sgot->contents + off); | |
3348 | tilepro_elf_append_rela_32 (output_bfd, htab->elf.srelgot, | |
aa137e4d NC |
3349 | &outrel); |
3350 | if (indx == 0) | |
07d6d2b8 AM |
3351 | { |
3352 | BFD_ASSERT (! unresolved_reloc); | |
3353 | bfd_put_32 (output_bfd, | |
aa137e4d NC |
3354 | relocation - dtpoff_base (info), |
3355 | (htab->elf.sgot->contents + off + | |
3356 | TILEPRO_BYTES_PER_WORD)); | |
07d6d2b8 | 3357 | } |
aa137e4d | 3358 | else |
07d6d2b8 AM |
3359 | { |
3360 | bfd_put_32 (output_bfd, 0, | |
aa137e4d NC |
3361 | (htab->elf.sgot->contents + off + |
3362 | TILEPRO_BYTES_PER_WORD)); | |
07d6d2b8 | 3363 | outrel.r_info = ELF32_R_INFO (indx, |
aa137e4d NC |
3364 | R_TILEPRO_TLS_DTPOFF32); |
3365 | outrel.r_offset += TILEPRO_BYTES_PER_WORD; | |
07d6d2b8 | 3366 | tilepro_elf_append_rela_32 (output_bfd, |
aa137e4d | 3367 | htab->elf.srelgot, &outrel); |
07d6d2b8 AM |
3368 | } |
3369 | } | |
aa137e4d NC |
3370 | |
3371 | else { | |
3372 | /* If we are not emitting relocations for a | |
07d6d2b8 AM |
3373 | general dynamic reference, then we must be in a |
3374 | static link or an executable link with the | |
3375 | symbol binding locally. Mark it as belonging | |
3376 | to module 1, the executable. */ | |
aa137e4d NC |
3377 | bfd_put_32 (output_bfd, 1, |
3378 | htab->elf.sgot->contents + off ); | |
3379 | bfd_put_32 (output_bfd, relocation - dtpoff_base (info), | |
3380 | htab->elf.sgot->contents + off + | |
3381 | TILEPRO_BYTES_PER_WORD); | |
3382 | } | |
07d6d2b8 AM |
3383 | break; |
3384 | } | |
aa137e4d NC |
3385 | } |
3386 | ||
3387 | if (off >= (bfd_vma) -2) | |
3388 | abort (); | |
3389 | ||
535127d2 | 3390 | relocation = off - got_base; |
aa137e4d NC |
3391 | unresolved_reloc = FALSE; |
3392 | howto = tilepro_elf_howto_table + r_type; | |
3393 | break; | |
3394 | ||
3395 | default: | |
3396 | break; | |
3397 | } | |
3398 | ||
3399 | /* Dynamic relocs are not propagated for SEC_DEBUGGING sections | |
3400 | because such sections are not SEC_ALLOC and thus ld.so will | |
3401 | not process them. */ | |
3402 | if (unresolved_reloc | |
3403 | && !((input_section->flags & SEC_DEBUGGING) != 0 | |
1d5316ab AM |
3404 | && h->def_dynamic) |
3405 | && _bfd_elf_section_offset (output_bfd, info, input_section, | |
3406 | rel->r_offset) != (bfd_vma) -1) | |
4eca0228 | 3407 | _bfd_error_handler |
695344c0 | 3408 | /* xgettext:c-format */ |
2dcf00ce AM |
3409 | (_("%pB(%pA+%#" PRIx64 "): " |
3410 | "unresolvable %s relocation against symbol `%s'"), | |
aa137e4d NC |
3411 | input_bfd, |
3412 | input_section, | |
2dcf00ce | 3413 | (uint64_t) rel->r_offset, |
aa137e4d NC |
3414 | howto->name, |
3415 | h->root.root.string); | |
3416 | ||
3417 | r = bfd_reloc_continue; | |
3418 | ||
3419 | /* For the _HA types, we add 0x8000 so that if bit 15 is set, | |
3420 | * we will increment bit 16. The howto->rightshift takes care | |
3421 | * of the rest for us. */ | |
3422 | switch (r_type) | |
3423 | { | |
3424 | case R_TILEPRO_HA16: | |
3425 | case R_TILEPRO_IMM16_X0_HA: | |
3426 | case R_TILEPRO_IMM16_X1_HA: | |
3427 | case R_TILEPRO_IMM16_X0_HA_PCREL: | |
3428 | case R_TILEPRO_IMM16_X1_HA_PCREL: | |
3429 | case R_TILEPRO_IMM16_X0_GOT_HA: | |
3430 | case R_TILEPRO_IMM16_X1_GOT_HA: | |
3431 | case R_TILEPRO_IMM16_X0_TLS_GD_HA: | |
3432 | case R_TILEPRO_IMM16_X1_TLS_GD_HA: | |
3433 | case R_TILEPRO_IMM16_X0_TLS_IE_HA: | |
3434 | case R_TILEPRO_IMM16_X1_TLS_IE_HA: | |
07d6d2b8 AM |
3435 | relocation += 0x8000; |
3436 | break; | |
aa137e4d NC |
3437 | } |
3438 | ||
3439 | /* Get the operand creation function, if any. */ | |
3440 | create_func = reloc_to_create_func[r_type]; | |
3441 | if (create_func == NULL) | |
3442 | { | |
07d6d2b8 AM |
3443 | r = _bfd_final_link_relocate (howto, input_bfd, input_section, |
3444 | contents, rel->r_offset, | |
3445 | relocation, rel->r_addend); | |
aa137e4d NC |
3446 | } |
3447 | else | |
3448 | { | |
07d6d2b8 AM |
3449 | if (howto->pc_relative) |
3450 | { | |
3451 | relocation -= | |
3452 | input_section->output_section->vma + input_section->output_offset; | |
3453 | if (howto->pcrel_offset) | |
3454 | relocation -= rel->r_offset; | |
3455 | } | |
3456 | ||
3457 | bfd_byte *data; | |
3458 | ||
3459 | /* Add the relocation addend if any to the final target value */ | |
3460 | relocation += rel->r_addend; | |
3461 | ||
3462 | /* Do basic range checking */ | |
3463 | r = bfd_check_overflow (howto->complain_on_overflow, | |
3464 | howto->bitsize, | |
3465 | howto->rightshift, | |
3466 | 32, | |
3467 | relocation); | |
3468 | ||
3469 | /* | |
3470 | * Write the relocated value out into the raw section data. | |
3471 | * Don't put a relocation out in the .rela section. | |
3472 | */ | |
3473 | tilepro_bundle_bits mask = create_func(-1); | |
3474 | tilepro_bundle_bits value = create_func(relocation >> howto->rightshift); | |
3475 | ||
3476 | /* Only touch bytes while the mask is not 0, so we | |
3477 | don't write to out of bounds memory if this is actually | |
3478 | a 16-bit switch instruction. */ | |
3479 | for (data = contents + rel->r_offset; mask != 0; data++) | |
3480 | { | |
3481 | bfd_byte byte_mask = (bfd_byte)mask; | |
3482 | *data = (*data & ~byte_mask) | ((bfd_byte)value & byte_mask); | |
3483 | mask >>= 8; | |
3484 | value >>= 8; | |
3485 | } | |
aa137e4d NC |
3486 | } |
3487 | ||
3488 | if (r != bfd_reloc_ok) | |
3489 | { | |
3490 | const char *msg = NULL; | |
3491 | ||
3492 | switch (r) | |
3493 | { | |
3494 | case bfd_reloc_overflow: | |
1a72702b | 3495 | (*info->callbacks->reloc_overflow) |
aa137e4d NC |
3496 | (info, (h ? &h->root : NULL), name, howto->name, |
3497 | (bfd_vma) 0, input_bfd, input_section, rel->r_offset); | |
3498 | break; | |
3499 | ||
3500 | case bfd_reloc_undefined: | |
1a72702b AM |
3501 | (*info->callbacks->undefined_symbol) |
3502 | (info, name, input_bfd, input_section, rel->r_offset, TRUE); | |
aa137e4d NC |
3503 | break; |
3504 | ||
3505 | case bfd_reloc_outofrange: | |
3506 | msg = _("internal error: out of range error"); | |
3507 | break; | |
3508 | ||
3509 | case bfd_reloc_notsupported: | |
3510 | msg = _("internal error: unsupported relocation error"); | |
3511 | break; | |
3512 | ||
3513 | case bfd_reloc_dangerous: | |
3514 | msg = _("internal error: dangerous relocation"); | |
3515 | break; | |
3516 | ||
3517 | default: | |
3518 | msg = _("internal error: unknown error"); | |
3519 | break; | |
3520 | } | |
3521 | ||
3522 | if (msg) | |
1a72702b AM |
3523 | (*info->callbacks->warning) (info, msg, name, input_bfd, |
3524 | input_section, rel->r_offset); | |
aa137e4d NC |
3525 | } |
3526 | } | |
3527 | ||
3528 | return TRUE; | |
3529 | } | |
3530 | ||
3531 | /* Finish up dynamic symbol handling. We set the contents of various | |
3532 | dynamic sections here. */ | |
3533 | ||
3534 | static bfd_boolean | |
3535 | tilepro_elf_finish_dynamic_symbol (bfd *output_bfd, | |
3536 | struct bfd_link_info *info, | |
3537 | struct elf_link_hash_entry *h, | |
3538 | Elf_Internal_Sym *sym) | |
3539 | { | |
3540 | struct tilepro_elf_link_hash_table *htab; | |
3541 | ||
3542 | htab = tilepro_elf_hash_table (info); | |
3543 | BFD_ASSERT (htab != NULL); | |
3544 | ||
3545 | if (h->plt.offset != (bfd_vma) -1) | |
3546 | { | |
3547 | asection *splt; | |
3548 | asection *srela; | |
3549 | asection *sgotplt; | |
3550 | Elf_Internal_Rela rela; | |
3551 | bfd_byte *loc; | |
3552 | bfd_vma r_offset; | |
3553 | ||
3554 | int rela_index; | |
3555 | ||
3556 | /* This symbol has an entry in the PLT. Set it up. */ | |
3557 | ||
3558 | BFD_ASSERT (h->dynindx != -1); | |
3559 | ||
3560 | splt = htab->elf.splt; | |
3561 | srela = htab->elf.srelplt; | |
3562 | sgotplt = htab->elf.sgotplt; | |
3563 | ||
3564 | if (splt == NULL || srela == NULL) | |
3565 | abort (); | |
3566 | ||
3567 | /* Fill in the entry in the procedure linkage table. */ | |
3568 | rela_index = tilepro_plt_entry_build (splt, sgotplt, h->plt.offset, | |
3569 | &r_offset); | |
3570 | ||
3571 | /* Fill in the entry in the global offset table, which initially points | |
3572 | to the beginning of the plt. */ | |
3573 | bfd_put_32 (output_bfd, splt->output_section->vma + splt->output_offset, | |
3574 | sgotplt->contents + r_offset); | |
3575 | ||
3576 | /* Fill in the entry in the .rela.plt section. */ | |
3577 | rela.r_offset = (sgotplt->output_section->vma | |
3578 | + sgotplt->output_offset | |
3579 | + r_offset); | |
3580 | rela.r_addend = 0; | |
3581 | rela.r_info = ELF32_R_INFO (h->dynindx, R_TILEPRO_JMP_SLOT); | |
3582 | ||
3583 | loc = srela->contents + rela_index * sizeof (Elf32_External_Rela); | |
3584 | bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); | |
3585 | ||
3586 | if (!h->def_regular) | |
3587 | { | |
3588 | /* Mark the symbol as undefined, rather than as defined in | |
3589 | the .plt section. Leave the value alone. */ | |
3590 | sym->st_shndx = SHN_UNDEF; | |
3591 | /* If the symbol is weak, we do need to clear the value. | |
3592 | Otherwise, the PLT entry would provide a definition for | |
3593 | the symbol even if the symbol wasn't defined anywhere, | |
3594 | and so the symbol would never be NULL. */ | |
3595 | if (!h->ref_regular_nonweak) | |
3596 | sym->st_value = 0; | |
3597 | } | |
3598 | } | |
3599 | ||
3600 | if (h->got.offset != (bfd_vma) -1 | |
3601 | && tilepro_elf_hash_entry(h)->tls_type != GOT_TLS_GD | |
3602 | && tilepro_elf_hash_entry(h)->tls_type != GOT_TLS_IE) | |
3603 | { | |
3604 | asection *sgot; | |
3605 | asection *srela; | |
3606 | Elf_Internal_Rela rela; | |
3607 | ||
3608 | /* This symbol has an entry in the GOT. Set it up. */ | |
3609 | ||
3610 | sgot = htab->elf.sgot; | |
3611 | srela = htab->elf.srelgot; | |
3612 | BFD_ASSERT (sgot != NULL && srela != NULL); | |
3613 | ||
3614 | rela.r_offset = (sgot->output_section->vma | |
3615 | + sgot->output_offset | |
3616 | + (h->got.offset &~ (bfd_vma) 1)); | |
3617 | ||
3618 | /* If this is a -Bsymbolic link, and the symbol is defined | |
3619 | locally, we just want to emit a RELATIVE reloc. Likewise if | |
3620 | the symbol was forced to be local because of a version file. | |
3621 | The entry in the global offset table will already have been | |
3622 | initialized in the relocate_section function. */ | |
0e1862bb | 3623 | if (bfd_link_pic (info) |
aa137e4d NC |
3624 | && (info->symbolic || h->dynindx == -1) |
3625 | && h->def_regular) | |
3626 | { | |
3627 | asection *sec = h->root.u.def.section; | |
3628 | rela.r_info = ELF32_R_INFO (0, R_TILEPRO_RELATIVE); | |
3629 | rela.r_addend = (h->root.u.def.value | |
3630 | + sec->output_section->vma | |
3631 | + sec->output_offset); | |
3632 | } | |
3633 | else | |
3634 | { | |
3635 | rela.r_info = ELF32_R_INFO (h->dynindx, R_TILEPRO_GLOB_DAT); | |
3636 | rela.r_addend = 0; | |
3637 | } | |
3638 | ||
3639 | bfd_put_32 (output_bfd, 0, | |
3640 | sgot->contents + (h->got.offset & ~(bfd_vma) 1)); | |
3641 | tilepro_elf_append_rela_32 (output_bfd, srela, &rela); | |
3642 | } | |
3643 | ||
3644 | if (h->needs_copy) | |
3645 | { | |
3646 | asection *s; | |
3647 | Elf_Internal_Rela rela; | |
3648 | ||
3649 | /* This symbols needs a copy reloc. Set it up. */ | |
3650 | BFD_ASSERT (h->dynindx != -1); | |
3651 | ||
aa137e4d NC |
3652 | rela.r_offset = (h->root.u.def.value |
3653 | + h->root.u.def.section->output_section->vma | |
3654 | + h->root.u.def.section->output_offset); | |
3655 | rela.r_info = ELF32_R_INFO (h->dynindx, R_TILEPRO_COPY); | |
3656 | rela.r_addend = 0; | |
afbf7e8e | 3657 | if (h->root.u.def.section == htab->elf.sdynrelro) |
5474d94f AM |
3658 | s = htab->elf.sreldynrelro; |
3659 | else | |
3660 | s = htab->elf.srelbss; | |
aa137e4d NC |
3661 | tilepro_elf_append_rela_32 (output_bfd, s, &rela); |
3662 | } | |
3663 | ||
3664 | /* Mark some specially defined symbols as absolute. */ | |
9637f6ef | 3665 | if (h == htab->elf.hdynamic |
aa137e4d NC |
3666 | || (h == htab->elf.hgot || h == htab->elf.hplt)) |
3667 | sym->st_shndx = SHN_ABS; | |
3668 | ||
3669 | return TRUE; | |
3670 | } | |
3671 | ||
3672 | /* Finish up the dynamic sections. */ | |
3673 | ||
3674 | static bfd_boolean | |
3675 | tilepro_finish_dyn (bfd *output_bfd, struct bfd_link_info *info, | |
3676 | bfd *dynobj, asection *sdyn, | |
3677 | asection *splt ATTRIBUTE_UNUSED) | |
3678 | { | |
3679 | Elf32_External_Dyn *dyncon, *dynconend; | |
3680 | struct tilepro_elf_link_hash_table *htab; | |
3681 | ||
3682 | htab = tilepro_elf_hash_table (info); | |
3683 | BFD_ASSERT (htab != NULL); | |
3684 | dyncon = (Elf32_External_Dyn *) sdyn->contents; | |
3685 | dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size); | |
3686 | for (; dyncon < dynconend; dyncon++) | |
3687 | { | |
3688 | Elf_Internal_Dyn dyn; | |
3689 | asection *s; | |
3690 | ||
3691 | bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn); | |
3692 | ||
3693 | switch (dyn.d_tag) | |
3694 | { | |
3695 | case DT_PLTGOT: | |
3696 | s = htab->elf.sgotplt; | |
3697 | dyn.d_un.d_ptr = s->output_section->vma + s->output_offset; | |
3698 | break; | |
3699 | case DT_JMPREL: | |
3700 | s = htab->elf.srelplt; | |
3701 | dyn.d_un.d_ptr = s->output_section->vma + s->output_offset; | |
3702 | break; | |
3703 | case DT_PLTRELSZ: | |
3704 | s = htab->elf.srelplt; | |
3705 | dyn.d_un.d_val = s->size; | |
3706 | break; | |
3707 | default: | |
3708 | continue; | |
3709 | } | |
3710 | ||
3711 | bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon); | |
3712 | } | |
3713 | return TRUE; | |
3714 | } | |
3715 | ||
3716 | static bfd_boolean | |
3717 | tilepro_elf_finish_dynamic_sections (bfd *output_bfd, | |
07d6d2b8 | 3718 | struct bfd_link_info *info) |
aa137e4d NC |
3719 | { |
3720 | bfd *dynobj; | |
3721 | asection *sdyn; | |
3722 | struct tilepro_elf_link_hash_table *htab; | |
3723 | ||
3724 | htab = tilepro_elf_hash_table (info); | |
3725 | BFD_ASSERT (htab != NULL); | |
3726 | dynobj = htab->elf.dynobj; | |
3727 | ||
3d4d4302 | 3728 | sdyn = bfd_get_linker_section (dynobj, ".dynamic"); |
aa137e4d NC |
3729 | |
3730 | if (elf_hash_table (info)->dynamic_sections_created) | |
3731 | { | |
3732 | asection *splt; | |
3733 | bfd_boolean ret; | |
3734 | ||
3d4d4302 | 3735 | splt = htab->elf.splt; |
aa137e4d NC |
3736 | BFD_ASSERT (splt != NULL && sdyn != NULL); |
3737 | ||
3738 | ret = tilepro_finish_dyn (output_bfd, info, dynobj, sdyn, splt); | |
3739 | ||
535b785f | 3740 | if (!ret) |
aa137e4d NC |
3741 | return ret; |
3742 | ||
3743 | /* Fill in the first entry in the procedure linkage table. */ | |
3744 | if (splt->size > 0) | |
663b5850 WL |
3745 | { |
3746 | memcpy (splt->contents, tilepro_plt0_entry, PLT_HEADER_SIZE); | |
3747 | memset (splt->contents + PLT_HEADER_SIZE, 0, | |
3748 | PLT_ENTRY_SIZE - PLT_HEADER_SIZE); | |
3749 | } | |
aa137e4d | 3750 | |
387f8054 MR |
3751 | if (elf_section_data (splt->output_section) != NULL) |
3752 | elf_section_data (splt->output_section)->this_hdr.sh_entsize | |
3753 | = PLT_ENTRY_SIZE; | |
aa137e4d NC |
3754 | } |
3755 | ||
3756 | if (htab->elf.sgotplt) | |
3757 | { | |
3758 | if (bfd_is_abs_section (htab->elf.sgotplt->output_section)) | |
3759 | { | |
4eca0228 | 3760 | _bfd_error_handler |
871b3ab2 | 3761 | (_("discarded output section: `%pA'"), htab->elf.sgotplt); |
aa137e4d NC |
3762 | return FALSE; |
3763 | } | |
3764 | ||
3765 | if (htab->elf.sgotplt->size > 0) | |
3766 | { | |
3767 | /* Write the first two entries in .got.plt, needed for the dynamic | |
3768 | linker. */ | |
3769 | bfd_put_32 (output_bfd, (bfd_vma) -1, | |
3770 | htab->elf.sgotplt->contents); | |
3771 | bfd_put_32 (output_bfd, (bfd_vma) 0, | |
3772 | htab->elf.sgotplt->contents + GOT_ENTRY_SIZE); | |
3773 | } | |
3774 | ||
3775 | elf_section_data (htab->elf.sgotplt->output_section)->this_hdr.sh_entsize | |
3776 | = GOT_ENTRY_SIZE; | |
3777 | } | |
3778 | ||
3779 | if (htab->elf.sgot) | |
3780 | { | |
3781 | if (htab->elf.sgot->size > 0) | |
3782 | { | |
3783 | /* Set the first entry in the global offset table to the address of | |
3784 | the dynamic section. */ | |
3785 | bfd_vma val = (sdyn ? | |
3786 | sdyn->output_section->vma + sdyn->output_offset : | |
3787 | 0); | |
3788 | bfd_put_32 (output_bfd, val, htab->elf.sgot->contents); | |
3789 | } | |
3790 | ||
3791 | elf_section_data (htab->elf.sgot->output_section)->this_hdr.sh_entsize | |
3792 | = GOT_ENTRY_SIZE; | |
3793 | } | |
3794 | ||
3795 | return TRUE; | |
3796 | } | |
3797 | ||
3798 | \f | |
3799 | ||
3800 | /* Return address for Ith PLT stub in section PLT, for relocation REL | |
3801 | or (bfd_vma) -1 if it should not be included. */ | |
3802 | ||
3803 | static bfd_vma | |
3804 | tilepro_elf_plt_sym_val (bfd_vma i, const asection *plt, | |
07d6d2b8 | 3805 | const arelent *rel ATTRIBUTE_UNUSED) |
aa137e4d | 3806 | { |
663b5850 | 3807 | return plt->vma + (i + 1) * PLT_ENTRY_SIZE; |
aa137e4d NC |
3808 | } |
3809 | ||
3810 | static enum elf_reloc_type_class | |
7e612e98 AM |
3811 | tilepro_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED, |
3812 | const asection *rel_sec ATTRIBUTE_UNUSED, | |
3813 | const Elf_Internal_Rela *rela) | |
aa137e4d NC |
3814 | { |
3815 | switch ((int) ELF32_R_TYPE (rela->r_info)) | |
3816 | { | |
3817 | case R_TILEPRO_RELATIVE: | |
3818 | return reloc_class_relative; | |
3819 | case R_TILEPRO_JMP_SLOT: | |
3820 | return reloc_class_plt; | |
3821 | case R_TILEPRO_COPY: | |
3822 | return reloc_class_copy; | |
3823 | default: | |
3824 | return reloc_class_normal; | |
3825 | } | |
3826 | } | |
3827 | ||
3828 | static int | |
3829 | tilepro_additional_program_headers (bfd *abfd, | |
07d6d2b8 | 3830 | struct bfd_link_info *info ATTRIBUTE_UNUSED) |
aa137e4d NC |
3831 | { |
3832 | /* Each .intrpt section specified by the user adds another PT_LOAD | |
3833 | header since the sections are discontiguous. */ | |
3834 | static const char intrpt_sections[4][9] = | |
3835 | { | |
3836 | ".intrpt0", ".intrpt1", ".intrpt2", ".intrpt3" | |
3837 | }; | |
3838 | int count = 0; | |
3839 | int i; | |
3840 | ||
3841 | for (i = 0; i < 4; i++) | |
3842 | { | |
3843 | asection *sec = bfd_get_section_by_name (abfd, intrpt_sections[i]); | |
3844 | if (sec != NULL && (sec->flags & SEC_LOAD) != 0) | |
3845 | ++count; | |
3846 | } | |
3847 | ||
3848 | /* Add four "padding" headers in to leave room in case a custom linker | |
3849 | script does something fancy. Otherwise ld complains that it ran | |
3850 | out of program headers and refuses to link. */ | |
3851 | count += 4; | |
3852 | ||
3853 | return count; | |
3854 | } | |
3855 | ||
3856 | #define ELF_ARCH bfd_arch_tilepro | |
3857 | #define ELF_TARGET_ID TILEPRO_ELF_DATA | |
3858 | #define ELF_MACHINE_CODE EM_TILEPRO | |
3859 | #define ELF_MAXPAGESIZE 0x10000 | |
3860 | #define ELF_COMMONPAGESIZE 0x10000 | |
3861 | ||
6d00b590 | 3862 | #define TARGET_LITTLE_SYM tilepro_elf32_vec |
aa137e4d NC |
3863 | #define TARGET_LITTLE_NAME "elf32-tilepro" |
3864 | ||
3865 | #define elf_backend_reloc_type_class tilepro_reloc_type_class | |
3866 | ||
07d6d2b8 | 3867 | #define bfd_elf32_bfd_reloc_name_lookup tilepro_reloc_name_lookup |
aa137e4d NC |
3868 | #define bfd_elf32_bfd_link_hash_table_create tilepro_elf_link_hash_table_create |
3869 | #define bfd_elf32_bfd_reloc_type_lookup tilepro_reloc_type_lookup | |
3870 | ||
3871 | #define elf_backend_copy_indirect_symbol tilepro_elf_copy_indirect_symbol | |
3872 | #define elf_backend_create_dynamic_sections tilepro_elf_create_dynamic_sections | |
3873 | #define elf_backend_check_relocs tilepro_elf_check_relocs | |
3874 | #define elf_backend_adjust_dynamic_symbol tilepro_elf_adjust_dynamic_symbol | |
3875 | #define elf_backend_omit_section_dynsym tilepro_elf_omit_section_dynsym | |
3876 | #define elf_backend_size_dynamic_sections tilepro_elf_size_dynamic_sections | |
3877 | #define elf_backend_relocate_section tilepro_elf_relocate_section | |
3878 | #define elf_backend_finish_dynamic_symbol tilepro_elf_finish_dynamic_symbol | |
3879 | #define elf_backend_finish_dynamic_sections tilepro_elf_finish_dynamic_sections | |
3880 | #define elf_backend_gc_mark_hook tilepro_elf_gc_mark_hook | |
aa137e4d | 3881 | #define elf_backend_plt_sym_val tilepro_elf_plt_sym_val |
07d6d2b8 AM |
3882 | #define elf_info_to_howto_rel NULL |
3883 | #define elf_info_to_howto tilepro_info_to_howto_rela | |
3884 | #define elf_backend_grok_prstatus tilepro_elf_grok_prstatus | |
3885 | #define elf_backend_grok_psinfo tilepro_elf_grok_psinfo | |
aa137e4d NC |
3886 | #define elf_backend_additional_program_headers tilepro_additional_program_headers |
3887 | ||
a412bee5 MR |
3888 | #define bfd_elf32_mkobject tilepro_elf_mkobject |
3889 | ||
aa137e4d NC |
3890 | #define elf_backend_init_index_section _bfd_elf_init_1_index_section |
3891 | ||
3892 | #define elf_backend_can_gc_sections 1 | |
3893 | #define elf_backend_can_refcount 1 | |
3894 | #define elf_backend_want_got_plt 1 | |
3895 | #define elf_backend_plt_readonly 1 | |
3896 | /* Align PLT mod 64 byte L2 line size. */ | |
3897 | #define elf_backend_plt_alignment 6 | |
3898 | #define elf_backend_want_plt_sym 1 | |
3899 | #define elf_backend_got_header_size GOT_ENTRY_SIZE | |
5474d94f | 3900 | #define elf_backend_want_dynrelro 1 |
aa137e4d NC |
3901 | #define elf_backend_rela_normal 1 |
3902 | #define elf_backend_default_execstack 0 | |
3903 | ||
3904 | #include "elf32-target.h" |