Commit | Line | Data |
---|---|---|
aa137e4d | 1 | /* TILEPro-specific support for 32-bit ELF. |
2571583a | 2 | Copyright (C) 2011-2017 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 | ||
786 | static void | |
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 | |
796 | <= (unsigned int) R_TILEPRO_GNU_VTENTRY) | |
797 | cache_ptr->howto | |
798 | = &tilepro_elf_howto_table2 [r_type - R_TILEPRO_GNU_VTINHERIT]; | |
799 | else | |
800 | abort (); | |
801 | } | |
802 | ||
803 | typedef tilepro_bundle_bits (*tilepro_create_func)(int); | |
804 | ||
805 | static const tilepro_create_func reloc_to_create_func[] = | |
806 | { | |
807 | /* The first fourteen relocation types don't correspond to operands */ | |
808 | NULL, | |
809 | NULL, | |
810 | NULL, | |
811 | NULL, | |
812 | NULL, | |
813 | NULL, | |
814 | NULL, | |
815 | NULL, | |
816 | NULL, | |
817 | NULL, | |
818 | NULL, | |
819 | NULL, | |
820 | NULL, | |
821 | NULL, | |
822 | ||
823 | /* The remaining relocations are used for immediate operands */ | |
824 | create_BrOff_X1, | |
825 | create_JOffLong_X1, | |
826 | create_JOffLong_X1, | |
827 | create_Imm8_X0, | |
828 | create_Imm8_Y0, | |
829 | create_Imm8_X1, | |
830 | create_Imm8_Y1, | |
831 | create_MT_Imm15_X1, | |
832 | create_MF_Imm15_X1, | |
833 | create_Imm16_X0, | |
834 | create_Imm16_X1, | |
835 | create_Imm16_X0, | |
836 | create_Imm16_X1, | |
837 | create_Imm16_X0, | |
838 | create_Imm16_X1, | |
839 | create_Imm16_X0, | |
840 | create_Imm16_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_MMStart_X0, | |
858 | create_MMEnd_X0, | |
859 | create_MMStart_X1, | |
860 | create_MMEnd_X1, | |
861 | create_ShAmt_X0, | |
862 | create_ShAmt_X1, | |
863 | create_ShAmt_Y0, | |
864 | create_ShAmt_Y1, | |
865 | ||
866 | create_Dest_Imm8_X1, | |
867 | NULL, | |
868 | NULL, | |
869 | NULL, | |
870 | NULL, | |
871 | NULL, | |
872 | NULL, | |
873 | NULL, | |
874 | NULL, | |
875 | NULL, | |
876 | NULL, | |
877 | ||
878 | create_Imm16_X0, | |
879 | create_Imm16_X1, | |
880 | create_Imm16_X0, | |
881 | create_Imm16_X1, | |
882 | create_Imm16_X0, | |
883 | create_Imm16_X1, | |
884 | create_Imm16_X0, | |
885 | create_Imm16_X1, | |
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, | |
6f7be959 WL |
893 | create_Imm16_X1, |
894 | ||
895 | NULL, | |
896 | NULL, | |
897 | NULL, | |
898 | ||
899 | create_Imm16_X0, | |
900 | create_Imm16_X1, | |
901 | create_Imm16_X0, | |
902 | create_Imm16_X1, | |
903 | create_Imm16_X0, | |
904 | create_Imm16_X1, | |
905 | create_Imm16_X0, | |
906 | create_Imm16_X1, | |
aa137e4d NC |
907 | }; |
908 | ||
909 | #define NELEMS(a) ((int) (sizeof (a) / sizeof ((a)[0]))) | |
910 | ||
911 | /* Support for core dump NOTE sections. */ | |
912 | ||
913 | static bfd_boolean | |
914 | tilepro_elf_grok_prstatus (bfd *abfd, Elf_Internal_Note *note) | |
915 | { | |
916 | int offset; | |
917 | size_t size; | |
918 | ||
919 | if (note->descsz != TILEPRO_PRSTATUS_SIZEOF) | |
920 | return FALSE; | |
921 | ||
922 | /* pr_cursig */ | |
228e534f | 923 | elf_tdata (abfd)->core->signal = |
aa137e4d NC |
924 | bfd_get_16 (abfd, note->descdata + TILEPRO_PRSTATUS_OFFSET_PR_CURSIG); |
925 | ||
926 | /* pr_pid */ | |
228e534f | 927 | elf_tdata (abfd)->core->pid = |
aa137e4d NC |
928 | bfd_get_32 (abfd, note->descdata + TILEPRO_PRSTATUS_OFFSET_PR_PID); |
929 | ||
930 | /* pr_reg */ | |
931 | offset = TILEPRO_PRSTATUS_OFFSET_PR_REG; | |
932 | size = TILEPRO_GREGSET_T_SIZE; | |
933 | ||
934 | /* Make a ".reg/999" section. */ | |
935 | return _bfd_elfcore_make_pseudosection (abfd, ".reg", | |
936 | size, note->descpos + offset); | |
937 | } | |
938 | ||
939 | static bfd_boolean | |
940 | tilepro_elf_grok_psinfo (bfd *abfd, Elf_Internal_Note *note) | |
941 | { | |
942 | if (note->descsz != TILEPRO_PRPSINFO_SIZEOF) | |
943 | return FALSE; | |
944 | ||
228e534f | 945 | elf_tdata (abfd)->core->program |
aa137e4d NC |
946 | = _bfd_elfcore_strndup (abfd, |
947 | note->descdata + TILEPRO_PRPSINFO_OFFSET_PR_FNAME, | |
948 | 16); | |
228e534f | 949 | elf_tdata (abfd)->core->command |
aa137e4d NC |
950 | = _bfd_elfcore_strndup (abfd, |
951 | note->descdata + TILEPRO_PRPSINFO_OFFSET_PR_PSARGS, | |
952 | ELF_PR_PSARGS_SIZE); | |
953 | ||
954 | ||
955 | /* Note that for some reason, a spurious space is tacked | |
956 | onto the end of the args in some (at least one anyway) | |
957 | implementations, so strip it off if it exists. */ | |
958 | { | |
228e534f | 959 | char *command = elf_tdata (abfd)->core->command; |
aa137e4d NC |
960 | int n = strlen (command); |
961 | ||
962 | if (0 < n && command[n - 1] == ' ') | |
963 | command[n - 1] = '\0'; | |
964 | } | |
965 | ||
966 | return TRUE; | |
967 | } | |
968 | ||
969 | ||
970 | static void | |
971 | tilepro_elf_append_rela_32 (bfd *abfd, asection *s, Elf_Internal_Rela *rel) | |
972 | { | |
973 | Elf32_External_Rela *loc32; | |
974 | ||
975 | loc32 = (Elf32_External_Rela *) s->contents; | |
976 | loc32 += s->reloc_count++; | |
977 | bfd_elf32_swap_reloca_out (abfd, rel, (bfd_byte *) loc32); | |
978 | } | |
979 | ||
980 | /* PLT/GOT stuff */ | |
981 | ||
982 | /* The procedure linkage table starts with the following header: | |
983 | ||
984 | { | |
07d6d2b8 | 985 | rli r29, r29, 16 |
aa137e4d NC |
986 | lwadd r28, r27, 4 |
987 | } | |
07d6d2b8 | 988 | lw r27, r27 |
aa137e4d | 989 | { |
07d6d2b8 AM |
990 | info 10 ## SP not offset, return PC in LR |
991 | jr r27 | |
aa137e4d NC |
992 | } |
993 | ||
994 | Subsequent entries are the following, jumping to the header at the end: | |
995 | ||
07d6d2b8 | 996 | lnk r28 |
aa137e4d NC |
997 | 1: |
998 | { | |
999 | auli r28, r28, <_GLOBAL_OFFSET_TABLE_ - 1b + MY_GOT_OFFSET> | |
1000 | auli r27, r28, <_GLOBAL_OFFSET_TABLE_ - 1b> | |
1001 | } | |
1002 | { | |
1003 | addli r28, r28, <_GLOBAL_OFFSET_TABLE_ - 1b + MY_GOT_OFFSET> | |
1004 | addli r27, r27, <_GLOBAL_OFFSET_TABLE_ - 1b> | |
1005 | } | |
1006 | { | |
1007 | auli r29, zero, MY_PLT_INDEX | |
07d6d2b8 | 1008 | lw r28, r28 |
aa137e4d NC |
1009 | } |
1010 | { | |
07d6d2b8 AM |
1011 | info 10 ## SP not offset, return PC in LR |
1012 | jr r28 | |
aa137e4d NC |
1013 | } |
1014 | ||
1015 | We initially store MY_PLT_INDEX in the high bits so that we can use the all | |
1016 | 16 bits as an unsigned offset; if we use the low bits we would get an | |
1017 | unwanted sign extension. The PLT header then rotates the index to get the | |
1018 | right value, before calling the resolution routine. This computation can | |
1019 | fit in unused bundle slots so it's free. | |
1020 | ||
1021 | This code sequence lets the code at at the start of the PLT determine | |
1022 | which PLT entry was executed by examining 'r29'. | |
1023 | ||
1024 | Note that MY_PLT_INDEX skips over the header entries, so the first | |
1025 | actual jump table entry has index zero. | |
1026 | */ | |
1027 | ||
1028 | #define PLT_HEADER_SIZE_IN_BUNDLES 3 | |
1029 | #define PLT_ENTRY_SIZE_IN_BUNDLES 5 | |
1030 | ||
1031 | #define PLT_HEADER_SIZE \ | |
1032 | (PLT_HEADER_SIZE_IN_BUNDLES * TILEPRO_BUNDLE_SIZE_IN_BYTES) | |
1033 | #define PLT_ENTRY_SIZE \ | |
1034 | (PLT_ENTRY_SIZE_IN_BUNDLES * TILEPRO_BUNDLE_SIZE_IN_BYTES) | |
1035 | ||
1036 | /* The size in bytes of an entry in the global offset table. */ | |
1037 | ||
1038 | #define GOT_ENTRY_SIZE TILEPRO_BYTES_PER_WORD | |
1039 | ||
1040 | #define GOTPLT_HEADER_SIZE (2 * GOT_ENTRY_SIZE) | |
1041 | ||
1042 | ||
1043 | static const bfd_byte | |
1044 | tilepro_plt0_entry[PLT_HEADER_SIZE] = | |
1045 | { | |
1046 | 0x5d, 0x07, 0x03, 0x70, | |
1047 | 0x6e, 0x23, 0xd0, 0x30, /* { rli r29, r29, 16 ; lwadd r28, r27, 4 } */ | |
1048 | 0x00, 0x50, 0xba, 0x6d, | |
1049 | 0x00, 0x08, 0x6d, 0xdc, /* { lw r27, r27 } */ | |
1050 | 0xff, 0xaf, 0x10, 0x50, | |
1051 | 0x60, 0x03, 0x18, 0x08, /* { info 10 ; jr r27 } */ | |
1052 | }; | |
1053 | ||
1054 | static const bfd_byte | |
1055 | tilepro_short_plt_entry[PLT_ENTRY_SIZE] = | |
1056 | { | |
1057 | 0x00, 0x50, 0x16, 0x70, | |
1058 | 0x0e, 0x00, 0x1a, 0x08, /* { lnk r28 } */ | |
1059 | 0x1c, 0x07, 0x00, 0xa0, | |
1060 | 0x8d, 0x03, 0x00, 0x18, /* { addli r28, r28, 0 ; addli r27, r28, 0 } */ | |
1061 | 0xdd, 0x0f, 0x00, 0x30, | |
1062 | 0x8e, 0x73, 0x0b, 0x40, /* { auli r29, zero, 0 ; lw r28, r28 } */ | |
1063 | 0xff, 0xaf, 0x10, 0x50, | |
1064 | 0x80, 0x03, 0x18, 0x08, /* { info 10 ; jr r28 } */ | |
1065 | 0x00, 0x00, 0x00, 0x00, | |
1066 | 0x00, 0x00, 0x00, 0x00, | |
1067 | }; | |
1068 | ||
1069 | static const bfd_byte | |
1070 | tilepro_long_plt_entry[PLT_ENTRY_SIZE] = | |
1071 | { | |
1072 | 0x00, 0x50, 0x16, 0x70, | |
1073 | 0x0e, 0x00, 0x1a, 0x08, /* { lnk r28 } */ | |
1074 | 0x1c, 0x07, 0x00, 0xb0, | |
1075 | 0x8d, 0x03, 0x00, 0x20, /* { auli r28, r28, 0 ; auli r27, r28, 0 } */ | |
1076 | 0x1c, 0x07, 0x00, 0xa0, | |
1077 | 0x6d, 0x03, 0x00, 0x18, /* { addli r28, r28, 0 ; addli r27, r27, 0 } */ | |
1078 | 0xdd, 0x0f, 0x00, 0x30, | |
1079 | 0x8e, 0x73, 0x0b, 0x40, /* { auli r29, zero, 0 ; lw r28, r28 } */ | |
1080 | 0xff, 0xaf, 0x10, 0x50, | |
1081 | 0x80, 0x03, 0x18, 0x08, /* { info 10 ; jr r28 } */ | |
1082 | }; | |
1083 | ||
1084 | static bfd_vma | |
1085 | tilepro_ha16(bfd_vma vma) | |
1086 | { | |
1087 | return ((vma >> 16) + ((vma >> 15) & 1)) & 0xffff; | |
1088 | } | |
1089 | ||
1090 | static int | |
1091 | tilepro_plt_entry_build (asection *splt, asection *sgotplt, bfd_vma offset, | |
1092 | bfd_vma *r_offset) | |
1093 | { | |
663b5850 | 1094 | int plt_index = (offset - PLT_ENTRY_SIZE) / PLT_ENTRY_SIZE; |
aa137e4d NC |
1095 | int got_offset = plt_index * GOT_ENTRY_SIZE + GOTPLT_HEADER_SIZE; |
1096 | tilepro_bundle_bits *pc; | |
1097 | ||
1098 | /* Compute the distance from the got entry to the lnk. */ | |
1099 | bfd_signed_vma dist_got_entry = sgotplt->output_section->vma | |
1100 | + sgotplt->output_offset | |
1101 | + got_offset | |
1102 | - splt->output_section->vma | |
1103 | - splt->output_offset | |
1104 | - offset | |
1105 | - TILEPRO_BUNDLE_SIZE_IN_BYTES; | |
1106 | ||
1107 | /* Compute the distance to GOTPLT[0]. */ | |
1108 | bfd_signed_vma dist_got0 = dist_got_entry - got_offset; | |
1109 | ||
1110 | /* Check whether we can use the short plt entry with 16-bit offset. */ | |
1111 | bfd_boolean short_plt_entry = | |
1112 | (dist_got_entry <= 0x7fff && dist_got0 >= -0x8000); | |
1113 | ||
1114 | /* Copy the plt entry template. */ | |
1115 | memcpy (splt->contents + offset, | |
1116 | short_plt_entry ? tilepro_short_plt_entry : tilepro_long_plt_entry, | |
1117 | PLT_ENTRY_SIZE); | |
1118 | ||
1119 | /* Write the immediate offsets. */ | |
1120 | pc = (tilepro_bundle_bits *)(splt->contents + offset); | |
1121 | pc++; | |
1122 | ||
1123 | if (!short_plt_entry) | |
1124 | { | |
1125 | /* { auli r28, r28, &GOTPLT[MY_GOT_INDEX] ; auli r27, r28, &GOTPLT[0] } */ | |
1126 | *pc++ |= create_Imm16_X0 (tilepro_ha16 (dist_got_entry)) | |
1127 | | create_Imm16_X1 (tilepro_ha16 (dist_got0)); | |
1128 | } | |
1129 | ||
1130 | /* { addli r28, r28, &GOTPLT[MY_GOT_INDEX] ; addli r27, r28, &GOTPLT[0] } or | |
1131 | { addli r28, r28, &GOTPLT[MY_GOT_INDEX] ; addli r27, r27, &GOTPLT[0] } */ | |
1132 | *pc++ |= create_Imm16_X0 (dist_got_entry) | |
1133 | | create_Imm16_X1 (dist_got0); | |
1134 | ||
1135 | /* { auli r29, zero, MY_PLT_INDEX ; lw r28, r28 } */ | |
1136 | *pc |= create_Imm16_X0 (plt_index); | |
1137 | ||
1138 | /* Set the relocation offset. */ | |
1139 | *r_offset = got_offset; | |
1140 | ||
1141 | return plt_index; | |
1142 | } | |
1143 | ||
1144 | #define TILEPRO_ELF_RELA_BYTES (sizeof(Elf32_External_Rela)) | |
1145 | ||
1146 | ||
1147 | /* Create an entry in an TILEPro ELF linker hash table. */ | |
1148 | ||
1149 | static struct bfd_hash_entry * | |
1150 | link_hash_newfunc (struct bfd_hash_entry *entry, | |
1151 | struct bfd_hash_table *table, const char *string) | |
1152 | { | |
1153 | /* Allocate the structure if it has not already been allocated by a | |
1154 | subclass. */ | |
1155 | if (entry == NULL) | |
1156 | { | |
1157 | entry = | |
07d6d2b8 AM |
1158 | bfd_hash_allocate (table, |
1159 | sizeof (struct tilepro_elf_link_hash_entry)); | |
aa137e4d NC |
1160 | if (entry == NULL) |
1161 | return entry; | |
1162 | } | |
1163 | ||
1164 | /* Call the allocation method of the superclass. */ | |
1165 | entry = _bfd_elf_link_hash_newfunc (entry, table, string); | |
1166 | if (entry != NULL) | |
1167 | { | |
1168 | struct tilepro_elf_link_hash_entry *eh; | |
1169 | ||
1170 | eh = (struct tilepro_elf_link_hash_entry *) entry; | |
1171 | eh->dyn_relocs = NULL; | |
1172 | eh->tls_type = GOT_UNKNOWN; | |
1173 | } | |
1174 | ||
1175 | return entry; | |
1176 | } | |
1177 | ||
1178 | /* Create a TILEPRO ELF linker hash table. */ | |
1179 | ||
1180 | static struct bfd_link_hash_table * | |
1181 | tilepro_elf_link_hash_table_create (bfd *abfd) | |
1182 | { | |
1183 | struct tilepro_elf_link_hash_table *ret; | |
1184 | bfd_size_type amt = sizeof (struct tilepro_elf_link_hash_table); | |
1185 | ||
1186 | ret = (struct tilepro_elf_link_hash_table *) bfd_zmalloc (amt); | |
1187 | if (ret == NULL) | |
1188 | return NULL; | |
1189 | ||
1190 | if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc, | |
1191 | sizeof (struct tilepro_elf_link_hash_entry), | |
1192 | TILEPRO_ELF_DATA)) | |
1193 | { | |
1194 | free (ret); | |
1195 | return NULL; | |
1196 | } | |
1197 | ||
1198 | return &ret->elf.root; | |
1199 | } | |
1200 | ||
1201 | /* Create the .got section. */ | |
1202 | ||
1203 | static bfd_boolean | |
1204 | tilepro_elf_create_got_section (bfd *abfd, struct bfd_link_info *info) | |
1205 | { | |
1206 | flagword flags; | |
1207 | asection *s, *s_got; | |
1208 | struct elf_link_hash_entry *h; | |
1209 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); | |
1210 | struct elf_link_hash_table *htab = elf_hash_table (info); | |
1211 | ||
1212 | /* This function may be called more than once. */ | |
ce558b89 | 1213 | if (htab->sgot != NULL) |
aa137e4d NC |
1214 | return TRUE; |
1215 | ||
1216 | flags = bed->dynamic_sec_flags; | |
1217 | ||
1218 | s = bfd_make_section_with_flags (abfd, | |
1219 | (bed->rela_plts_and_copies_p | |
1220 | ? ".rela.got" : ".rel.got"), | |
1221 | (bed->dynamic_sec_flags | |
1222 | | SEC_READONLY)); | |
1223 | if (s == NULL | |
1224 | || ! bfd_set_section_alignment (abfd, s, bed->s->log_file_align)) | |
1225 | return FALSE; | |
1226 | htab->srelgot = s; | |
1227 | ||
1228 | s = s_got = bfd_make_section_with_flags (abfd, ".got", flags); | |
1229 | if (s == NULL | |
1230 | || !bfd_set_section_alignment (abfd, s, bed->s->log_file_align)) | |
1231 | return FALSE; | |
1232 | htab->sgot = s; | |
1233 | ||
1234 | /* The first bit of the global offset table is the header. */ | |
1235 | s->size += bed->got_header_size; | |
1236 | ||
1237 | if (bed->want_got_plt) | |
1238 | { | |
1239 | s = bfd_make_section_with_flags (abfd, ".got.plt", flags); | |
1240 | if (s == NULL | |
1241 | || !bfd_set_section_alignment (abfd, s, | |
1242 | bed->s->log_file_align)) | |
1243 | return FALSE; | |
1244 | htab->sgotplt = s; | |
1245 | ||
1246 | /* Reserve room for the header. */ | |
1247 | s->size += GOTPLT_HEADER_SIZE; | |
1248 | } | |
1249 | ||
1250 | if (bed->want_got_sym) | |
1251 | { | |
1252 | /* Define the symbol _GLOBAL_OFFSET_TABLE_ at the start of the .got | |
1253 | section. We don't do this in the linker script because we don't want | |
1254 | to define the symbol if we are not creating a global offset | |
1255 | table. */ | |
1256 | h = _bfd_elf_define_linkage_sym (abfd, info, s_got, | |
1257 | "_GLOBAL_OFFSET_TABLE_"); | |
1258 | elf_hash_table (info)->hgot = h; | |
1259 | if (h == NULL) | |
1260 | return FALSE; | |
1261 | } | |
1262 | ||
1263 | return TRUE; | |
1264 | } | |
1265 | ||
1266 | /* Create .plt, .rela.plt, .got, .got.plt, .rela.got, .dynbss, and | |
1267 | .rela.bss sections in DYNOBJ, and set up shortcuts to them in our | |
1268 | hash table. */ | |
1269 | ||
1270 | static bfd_boolean | |
1271 | tilepro_elf_create_dynamic_sections (bfd *dynobj, | |
1272 | struct bfd_link_info *info) | |
1273 | { | |
aa137e4d NC |
1274 | if (!tilepro_elf_create_got_section (dynobj, info)) |
1275 | return FALSE; | |
1276 | ||
9d19e4fd | 1277 | return _bfd_elf_create_dynamic_sections (dynobj, info); |
aa137e4d NC |
1278 | } |
1279 | ||
1280 | /* Copy the extra info we tack onto an elf_link_hash_entry. */ | |
1281 | ||
1282 | static void | |
1283 | tilepro_elf_copy_indirect_symbol (struct bfd_link_info *info, | |
1284 | struct elf_link_hash_entry *dir, | |
1285 | struct elf_link_hash_entry *ind) | |
1286 | { | |
1287 | struct tilepro_elf_link_hash_entry *edir, *eind; | |
1288 | ||
1289 | edir = (struct tilepro_elf_link_hash_entry *) dir; | |
1290 | eind = (struct tilepro_elf_link_hash_entry *) ind; | |
1291 | ||
1292 | if (eind->dyn_relocs != NULL) | |
1293 | { | |
1294 | if (edir->dyn_relocs != NULL) | |
1295 | { | |
3bf083ed AM |
1296 | struct elf_dyn_relocs **pp; |
1297 | struct elf_dyn_relocs *p; | |
aa137e4d NC |
1298 | |
1299 | /* Add reloc counts against the indirect sym to the direct sym | |
1300 | list. Merge any entries against the same section. */ | |
1301 | for (pp = &eind->dyn_relocs; (p = *pp) != NULL; ) | |
1302 | { | |
3bf083ed | 1303 | struct elf_dyn_relocs *q; |
aa137e4d NC |
1304 | |
1305 | for (q = edir->dyn_relocs; q != NULL; q = q->next) | |
1306 | if (q->sec == p->sec) | |
1307 | { | |
1308 | q->pc_count += p->pc_count; | |
1309 | q->count += p->count; | |
1310 | *pp = p->next; | |
1311 | break; | |
1312 | } | |
1313 | if (q == NULL) | |
1314 | pp = &p->next; | |
1315 | } | |
1316 | *pp = edir->dyn_relocs; | |
1317 | } | |
1318 | ||
1319 | edir->dyn_relocs = eind->dyn_relocs; | |
1320 | eind->dyn_relocs = NULL; | |
1321 | } | |
1322 | ||
1323 | if (ind->root.type == bfd_link_hash_indirect | |
1324 | && dir->got.refcount <= 0) | |
1325 | { | |
1326 | edir->tls_type = eind->tls_type; | |
1327 | eind->tls_type = GOT_UNKNOWN; | |
1328 | } | |
1329 | _bfd_elf_link_hash_copy_indirect (info, dir, ind); | |
1330 | } | |
1331 | ||
6f7be959 WL |
1332 | static int |
1333 | tilepro_tls_translate_to_le (int r_type) | |
1334 | { | |
1335 | switch (r_type) | |
1336 | { | |
1337 | case R_TILEPRO_IMM16_X0_TLS_GD: | |
1338 | case R_TILEPRO_IMM16_X0_TLS_IE: | |
1339 | return R_TILEPRO_IMM16_X0_TLS_LE; | |
1340 | ||
1341 | case R_TILEPRO_IMM16_X1_TLS_GD: | |
1342 | case R_TILEPRO_IMM16_X1_TLS_IE: | |
1343 | return R_TILEPRO_IMM16_X1_TLS_LE; | |
1344 | ||
1345 | case R_TILEPRO_IMM16_X0_TLS_GD_LO: | |
1346 | case R_TILEPRO_IMM16_X0_TLS_IE_LO: | |
1347 | return R_TILEPRO_IMM16_X0_TLS_LE_LO; | |
1348 | ||
1349 | case R_TILEPRO_IMM16_X1_TLS_GD_LO: | |
1350 | case R_TILEPRO_IMM16_X1_TLS_IE_LO: | |
1351 | return R_TILEPRO_IMM16_X1_TLS_LE_LO; | |
1352 | ||
1353 | case R_TILEPRO_IMM16_X0_TLS_GD_HI: | |
1354 | case R_TILEPRO_IMM16_X0_TLS_IE_HI: | |
1355 | return R_TILEPRO_IMM16_X0_TLS_LE_HI; | |
1356 | ||
1357 | case R_TILEPRO_IMM16_X1_TLS_GD_HI: | |
1358 | case R_TILEPRO_IMM16_X1_TLS_IE_HI: | |
1359 | return R_TILEPRO_IMM16_X1_TLS_LE_HI; | |
1360 | ||
1361 | case R_TILEPRO_IMM16_X0_TLS_GD_HA: | |
1362 | case R_TILEPRO_IMM16_X0_TLS_IE_HA: | |
1363 | return R_TILEPRO_IMM16_X0_TLS_LE_HA; | |
1364 | ||
1365 | case R_TILEPRO_IMM16_X1_TLS_GD_HA: | |
1366 | case R_TILEPRO_IMM16_X1_TLS_IE_HA: | |
1367 | return R_TILEPRO_IMM16_X1_TLS_LE_HA; | |
1368 | } | |
1369 | return r_type; | |
1370 | } | |
1371 | ||
1372 | static int | |
1373 | tilepro_tls_translate_to_ie (int r_type) | |
1374 | { | |
1375 | switch (r_type) | |
1376 | { | |
1377 | case R_TILEPRO_IMM16_X0_TLS_GD: | |
1378 | case R_TILEPRO_IMM16_X0_TLS_IE: | |
1379 | return R_TILEPRO_IMM16_X0_TLS_IE; | |
1380 | ||
1381 | case R_TILEPRO_IMM16_X1_TLS_GD: | |
1382 | case R_TILEPRO_IMM16_X1_TLS_IE: | |
1383 | return R_TILEPRO_IMM16_X1_TLS_IE; | |
1384 | ||
1385 | case R_TILEPRO_IMM16_X0_TLS_GD_LO: | |
1386 | case R_TILEPRO_IMM16_X0_TLS_IE_LO: | |
1387 | return R_TILEPRO_IMM16_X0_TLS_IE_LO; | |
1388 | ||
1389 | case R_TILEPRO_IMM16_X1_TLS_GD_LO: | |
1390 | case R_TILEPRO_IMM16_X1_TLS_IE_LO: | |
1391 | return R_TILEPRO_IMM16_X1_TLS_IE_LO; | |
1392 | ||
1393 | case R_TILEPRO_IMM16_X0_TLS_GD_HI: | |
1394 | case R_TILEPRO_IMM16_X0_TLS_IE_HI: | |
1395 | return R_TILEPRO_IMM16_X0_TLS_IE_HI; | |
1396 | ||
1397 | case R_TILEPRO_IMM16_X1_TLS_GD_HI: | |
1398 | case R_TILEPRO_IMM16_X1_TLS_IE_HI: | |
1399 | return R_TILEPRO_IMM16_X1_TLS_IE_HI; | |
1400 | ||
1401 | case R_TILEPRO_IMM16_X0_TLS_GD_HA: | |
1402 | case R_TILEPRO_IMM16_X0_TLS_IE_HA: | |
1403 | return R_TILEPRO_IMM16_X0_TLS_IE_HA; | |
1404 | ||
1405 | case R_TILEPRO_IMM16_X1_TLS_GD_HA: | |
1406 | case R_TILEPRO_IMM16_X1_TLS_IE_HA: | |
1407 | return R_TILEPRO_IMM16_X1_TLS_IE_HA; | |
1408 | } | |
1409 | return r_type; | |
1410 | } | |
1411 | ||
1412 | static int | |
1413 | tilepro_elf_tls_transition (struct bfd_link_info *info, int r_type, | |
1414 | int is_local) | |
1415 | { | |
1ba1f393 | 1416 | if (!bfd_link_executable (info)) |
6f7be959 WL |
1417 | return r_type; |
1418 | ||
1419 | if (is_local) | |
1420 | return tilepro_tls_translate_to_le (r_type); | |
1421 | else | |
1422 | return tilepro_tls_translate_to_ie (r_type); | |
1423 | } | |
1424 | ||
aa137e4d NC |
1425 | /* Look through the relocs for a section during the first phase, and |
1426 | allocate space in the global offset table or procedure linkage | |
1427 | table. */ | |
1428 | ||
1429 | static bfd_boolean | |
1430 | tilepro_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, | |
1431 | asection *sec, const Elf_Internal_Rela *relocs) | |
1432 | { | |
1433 | struct tilepro_elf_link_hash_table *htab; | |
1434 | Elf_Internal_Shdr *symtab_hdr; | |
1435 | struct elf_link_hash_entry **sym_hashes; | |
aa137e4d NC |
1436 | const Elf_Internal_Rela *rel; |
1437 | const Elf_Internal_Rela *rel_end; | |
1438 | asection *sreloc; | |
1439 | int num_relocs; | |
1440 | ||
0e1862bb | 1441 | if (bfd_link_relocatable (info)) |
aa137e4d NC |
1442 | return TRUE; |
1443 | ||
1444 | htab = tilepro_elf_hash_table (info); | |
1445 | symtab_hdr = &elf_tdata (abfd)->symtab_hdr; | |
1446 | sym_hashes = elf_sym_hashes (abfd); | |
aa137e4d NC |
1447 | |
1448 | sreloc = NULL; | |
1449 | ||
1450 | num_relocs = sec->reloc_count; | |
1451 | ||
1452 | BFD_ASSERT (is_tilepro_elf (abfd) || num_relocs == 0); | |
1453 | ||
1454 | if (htab->elf.dynobj == NULL) | |
1455 | htab->elf.dynobj = abfd; | |
1456 | ||
1457 | rel_end = relocs + num_relocs; | |
1458 | for (rel = relocs; rel < rel_end; rel++) | |
1459 | { | |
1460 | unsigned int r_type; | |
d42c267e | 1461 | unsigned int r_symndx; |
aa137e4d NC |
1462 | struct elf_link_hash_entry *h; |
1463 | int tls_type; | |
1464 | ||
1465 | r_symndx = ELF32_R_SYM (rel->r_info); | |
1466 | r_type = ELF32_R_TYPE (rel->r_info); | |
1467 | ||
1468 | if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr)) | |
1469 | { | |
695344c0 | 1470 | /* xgettext:c-format */ |
4eca0228 AM |
1471 | _bfd_error_handler (_("%B: bad symbol index: %d"), |
1472 | abfd, r_symndx); | |
aa137e4d NC |
1473 | return FALSE; |
1474 | } | |
1475 | ||
1476 | if (r_symndx < symtab_hdr->sh_info) | |
1477 | h = NULL; | |
1478 | else | |
1479 | { | |
1480 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; | |
1481 | while (h->root.type == bfd_link_hash_indirect | |
1482 | || h->root.type == bfd_link_hash_warning) | |
1483 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
1484 | } | |
1485 | ||
6f7be959 | 1486 | r_type = tilepro_elf_tls_transition (info, r_type, h == NULL); |
aa137e4d NC |
1487 | switch (r_type) |
1488 | { | |
07d6d2b8 AM |
1489 | case R_TILEPRO_IMM16_X0_TLS_LE: |
1490 | case R_TILEPRO_IMM16_X1_TLS_LE: | |
1491 | case R_TILEPRO_IMM16_X0_TLS_LE_LO: | |
1492 | case R_TILEPRO_IMM16_X1_TLS_LE_LO: | |
1493 | case R_TILEPRO_IMM16_X0_TLS_LE_HI: | |
1494 | case R_TILEPRO_IMM16_X1_TLS_LE_HI: | |
1495 | case R_TILEPRO_IMM16_X0_TLS_LE_HA: | |
1496 | case R_TILEPRO_IMM16_X1_TLS_LE_HA: | |
1ba1f393 | 1497 | if (!bfd_link_executable (info)) |
6f7be959 WL |
1498 | goto r_tilepro_plt32; |
1499 | break; | |
1500 | ||
07d6d2b8 AM |
1501 | case R_TILEPRO_IMM16_X0_TLS_GD: |
1502 | case R_TILEPRO_IMM16_X1_TLS_GD: | |
1503 | case R_TILEPRO_IMM16_X0_TLS_GD_LO: | |
1504 | case R_TILEPRO_IMM16_X1_TLS_GD_LO: | |
1505 | case R_TILEPRO_IMM16_X0_TLS_GD_HI: | |
1506 | case R_TILEPRO_IMM16_X1_TLS_GD_HI: | |
1507 | case R_TILEPRO_IMM16_X0_TLS_GD_HA: | |
1508 | case R_TILEPRO_IMM16_X1_TLS_GD_HA: | |
0e1862bb | 1509 | BFD_ASSERT (bfd_link_pic (info)); |
6f7be959 | 1510 | tls_type = GOT_TLS_GD; |
07d6d2b8 AM |
1511 | goto have_got_reference; |
1512 | ||
1513 | case R_TILEPRO_IMM16_X0_TLS_IE: | |
1514 | case R_TILEPRO_IMM16_X1_TLS_IE: | |
1515 | case R_TILEPRO_IMM16_X0_TLS_IE_LO: | |
1516 | case R_TILEPRO_IMM16_X1_TLS_IE_LO: | |
1517 | case R_TILEPRO_IMM16_X0_TLS_IE_HI: | |
1518 | case R_TILEPRO_IMM16_X1_TLS_IE_HI: | |
1519 | case R_TILEPRO_IMM16_X0_TLS_IE_HA: | |
1520 | case R_TILEPRO_IMM16_X1_TLS_IE_HA: | |
1521 | tls_type = GOT_TLS_IE; | |
1522 | if (!bfd_link_executable (info)) | |
1523 | info->flags |= DF_STATIC_TLS; | |
1524 | goto have_got_reference; | |
1525 | ||
1526 | case R_TILEPRO_IMM16_X0_GOT: | |
1527 | case R_TILEPRO_IMM16_X1_GOT: | |
1528 | case R_TILEPRO_IMM16_X0_GOT_LO: | |
1529 | case R_TILEPRO_IMM16_X1_GOT_LO: | |
1530 | case R_TILEPRO_IMM16_X0_GOT_HI: | |
1531 | case R_TILEPRO_IMM16_X1_GOT_HI: | |
1532 | case R_TILEPRO_IMM16_X0_GOT_HA: | |
1533 | case R_TILEPRO_IMM16_X1_GOT_HA: | |
1534 | tls_type = GOT_NORMAL; | |
1535 | /* Fall Through */ | |
1536 | ||
1537 | have_got_reference: | |
aa137e4d NC |
1538 | /* This symbol requires a global offset table entry. */ |
1539 | { | |
07d6d2b8 | 1540 | int old_tls_type; |
aa137e4d NC |
1541 | |
1542 | if (h != NULL) | |
1543 | { | |
1544 | h->got.refcount += 1; | |
1545 | old_tls_type = tilepro_elf_hash_entry(h)->tls_type; | |
1546 | } | |
1547 | else | |
1548 | { | |
1549 | bfd_signed_vma *local_got_refcounts; | |
1550 | ||
1551 | /* This is a global offset table entry for a local symbol. */ | |
1552 | local_got_refcounts = elf_local_got_refcounts (abfd); | |
1553 | if (local_got_refcounts == NULL) | |
1554 | { | |
1555 | bfd_size_type size; | |
1556 | ||
1557 | size = symtab_hdr->sh_info; | |
1558 | size *= (sizeof (bfd_signed_vma) + sizeof(char)); | |
1559 | local_got_refcounts = ((bfd_signed_vma *) | |
1560 | bfd_zalloc (abfd, size)); | |
1561 | if (local_got_refcounts == NULL) | |
1562 | return FALSE; | |
1563 | elf_local_got_refcounts (abfd) = local_got_refcounts; | |
1564 | _bfd_tilepro_elf_local_got_tls_type (abfd) | |
1565 | = (char *) (local_got_refcounts + symtab_hdr->sh_info); | |
1566 | } | |
1567 | local_got_refcounts[r_symndx] += 1; | |
1568 | old_tls_type = | |
1569 | _bfd_tilepro_elf_local_got_tls_type (abfd) [r_symndx]; | |
1570 | } | |
1571 | ||
1572 | /* If a TLS symbol is accessed using IE at least once, | |
1573 | there is no point to use dynamic model for it. */ | |
1574 | if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN | |
1575 | && (old_tls_type != GOT_TLS_GD | |
1576 | || tls_type != GOT_TLS_IE)) | |
1577 | { | |
1578 | if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD) | |
1579 | tls_type = old_tls_type; | |
1580 | else | |
1581 | { | |
4eca0228 | 1582 | _bfd_error_handler |
695344c0 | 1583 | /* xgettext:c-format */ |
aa137e4d NC |
1584 | (_("%B: `%s' accessed both as normal and thread local symbol"), |
1585 | abfd, h ? h->root.root.string : "<local>"); | |
1586 | return FALSE; | |
1587 | } | |
1588 | } | |
1589 | ||
1590 | if (old_tls_type != tls_type) | |
1591 | { | |
1592 | if (h != NULL) | |
1593 | tilepro_elf_hash_entry (h)->tls_type = tls_type; | |
1594 | else | |
1595 | _bfd_tilepro_elf_local_got_tls_type (abfd) [r_symndx] = | |
1596 | tls_type; | |
1597 | } | |
1598 | } | |
1599 | ||
1600 | if (htab->elf.sgot == NULL) | |
1601 | { | |
1602 | if (!tilepro_elf_create_got_section (htab->elf.dynobj, info)) | |
1603 | return FALSE; | |
1604 | } | |
1605 | break; | |
1606 | ||
6f7be959 | 1607 | case R_TILEPRO_TLS_GD_CALL: |
1ba1f393 | 1608 | if (!bfd_link_executable (info)) |
6f7be959 WL |
1609 | { |
1610 | /* These are basically R_TILEPRO_JOFFLONG_X1_PLT relocs | |
1611 | against __tls_get_addr. */ | |
1612 | struct bfd_link_hash_entry *bh = NULL; | |
1613 | if (! _bfd_generic_link_add_one_symbol (info, abfd, | |
1614 | "__tls_get_addr", 0, | |
1615 | bfd_und_section_ptr, 0, | |
1616 | NULL, FALSE, FALSE, | |
1617 | &bh)) | |
1618 | return FALSE; | |
1619 | h = (struct elf_link_hash_entry *) bh; | |
1620 | } | |
1621 | else | |
1622 | break; | |
1623 | /* Fall through */ | |
1624 | ||
07d6d2b8 | 1625 | case R_TILEPRO_JOFFLONG_X1_PLT: |
aa137e4d NC |
1626 | /* This symbol requires a procedure linkage table entry. We |
1627 | actually build the entry in adjust_dynamic_symbol, | |
1628 | because this might be a case of linking PIC code without | |
1629 | linking in any dynamic objects, in which case we don't | |
1630 | need to generate a procedure linkage table after all. */ | |
1631 | ||
1632 | if (h != NULL) | |
07d6d2b8 AM |
1633 | { |
1634 | h->needs_plt = 1; | |
1635 | h->plt.refcount += 1; | |
1636 | } | |
aa137e4d NC |
1637 | break; |
1638 | ||
07d6d2b8 AM |
1639 | case R_TILEPRO_32_PCREL: |
1640 | case R_TILEPRO_16_PCREL: | |
1641 | case R_TILEPRO_8_PCREL: | |
1642 | case R_TILEPRO_IMM16_X0_PCREL: | |
1643 | case R_TILEPRO_IMM16_X1_PCREL: | |
1644 | case R_TILEPRO_IMM16_X0_LO_PCREL: | |
1645 | case R_TILEPRO_IMM16_X1_LO_PCREL: | |
1646 | case R_TILEPRO_IMM16_X0_HI_PCREL: | |
1647 | case R_TILEPRO_IMM16_X1_HI_PCREL: | |
1648 | case R_TILEPRO_IMM16_X0_HA_PCREL: | |
1649 | case R_TILEPRO_IMM16_X1_HA_PCREL: | |
aa137e4d NC |
1650 | if (h != NULL) |
1651 | h->non_got_ref = 1; | |
1652 | ||
1653 | if (h != NULL | |
1654 | && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0) | |
1655 | break; | |
1656 | /* Fall through. */ | |
1657 | ||
07d6d2b8 AM |
1658 | case R_TILEPRO_32: |
1659 | case R_TILEPRO_16: | |
1660 | case R_TILEPRO_8: | |
1661 | case R_TILEPRO_LO16: | |
1662 | case R_TILEPRO_HI16: | |
1663 | case R_TILEPRO_HA16: | |
1664 | case R_TILEPRO_COPY: | |
1665 | case R_TILEPRO_GLOB_DAT: | |
1666 | case R_TILEPRO_JMP_SLOT: | |
1667 | case R_TILEPRO_RELATIVE: | |
1668 | case R_TILEPRO_BROFF_X1: | |
1669 | case R_TILEPRO_JOFFLONG_X1: | |
1670 | case R_TILEPRO_IMM8_X0: | |
1671 | case R_TILEPRO_IMM8_Y0: | |
1672 | case R_TILEPRO_IMM8_X1: | |
1673 | case R_TILEPRO_IMM8_Y1: | |
1674 | case R_TILEPRO_DEST_IMM8_X1: | |
1675 | case R_TILEPRO_MT_IMM15_X1: | |
1676 | case R_TILEPRO_MF_IMM15_X1: | |
1677 | case R_TILEPRO_IMM16_X0: | |
1678 | case R_TILEPRO_IMM16_X1: | |
1679 | case R_TILEPRO_IMM16_X0_LO: | |
1680 | case R_TILEPRO_IMM16_X1_LO: | |
1681 | case R_TILEPRO_IMM16_X0_HI: | |
1682 | case R_TILEPRO_IMM16_X1_HI: | |
1683 | case R_TILEPRO_IMM16_X0_HA: | |
1684 | case R_TILEPRO_IMM16_X1_HA: | |
1685 | case R_TILEPRO_MMSTART_X0: | |
1686 | case R_TILEPRO_MMEND_X0: | |
1687 | case R_TILEPRO_MMSTART_X1: | |
1688 | case R_TILEPRO_MMEND_X1: | |
1689 | case R_TILEPRO_SHAMT_X0: | |
1690 | case R_TILEPRO_SHAMT_X1: | |
1691 | case R_TILEPRO_SHAMT_Y0: | |
1692 | case R_TILEPRO_SHAMT_Y1: | |
aa137e4d | 1693 | if (h != NULL) |
07d6d2b8 | 1694 | h->non_got_ref = 1; |
aa137e4d | 1695 | |
6f7be959 | 1696 | r_tilepro_plt32: |
0e1862bb | 1697 | if (h != NULL && !bfd_link_pic (info)) |
6f7be959 WL |
1698 | { |
1699 | /* We may need a .plt entry if the function this reloc | |
1700 | refers to is in a shared lib. */ | |
1701 | h->plt.refcount += 1; | |
07d6d2b8 | 1702 | } |
aa137e4d NC |
1703 | |
1704 | /* If we are creating a shared library, and this is a reloc | |
1705 | against a global symbol, or a non PC relative reloc | |
1706 | against a local symbol, then we need to copy the reloc | |
1707 | into the shared library. However, if we are linking with | |
1708 | -Bsymbolic, we do not need to copy a reloc against a | |
1709 | global symbol which is defined in an object we are | |
1710 | including in the link (i.e., DEF_REGULAR is set). At | |
1711 | this point we have not seen all the input files, so it is | |
1712 | possible that DEF_REGULAR is not set now but will be set | |
1713 | later (it is never cleared). In case of a weak definition, | |
1714 | DEF_REGULAR may be cleared later by a strong definition in | |
1715 | a shared library. We account for that possibility below by | |
1716 | storing information in the relocs_copied field of the hash | |
1717 | table entry. A similar situation occurs when creating | |
1718 | shared libraries and symbol visibility changes render the | |
1719 | symbol local. | |
1720 | ||
1721 | If on the other hand, we are creating an executable, we | |
1722 | may need to keep relocations for symbols satisfied by a | |
1723 | dynamic library if we manage to avoid copy relocs for the | |
1724 | symbol. */ | |
0e1862bb | 1725 | if ((bfd_link_pic (info) |
aa137e4d NC |
1726 | && (sec->flags & SEC_ALLOC) != 0 |
1727 | && (! tilepro_elf_howto_table[r_type].pc_relative | |
1728 | || (h != NULL | |
1729 | && (! info->symbolic | |
1730 | || h->root.type == bfd_link_hash_defweak | |
1731 | || !h->def_regular)))) | |
0e1862bb | 1732 | || (!bfd_link_pic (info) |
aa137e4d NC |
1733 | && (sec->flags & SEC_ALLOC) != 0 |
1734 | && h != NULL | |
1735 | && (h->root.type == bfd_link_hash_defweak | |
1736 | || !h->def_regular))) | |
1737 | { | |
3bf083ed AM |
1738 | struct elf_dyn_relocs *p; |
1739 | struct elf_dyn_relocs **head; | |
aa137e4d NC |
1740 | |
1741 | /* When creating a shared object, we must copy these | |
1742 | relocs into the output file. We create a reloc | |
1743 | section in dynobj and make room for the reloc. */ | |
1744 | if (sreloc == NULL) | |
1745 | { | |
1746 | sreloc = _bfd_elf_make_dynamic_reloc_section | |
1747 | (sec, htab->elf.dynobj, 2, abfd, /*rela?*/ TRUE); | |
1748 | ||
1749 | if (sreloc == NULL) | |
1750 | return FALSE; | |
1751 | } | |
1752 | ||
1753 | /* If this is a global symbol, we count the number of | |
1754 | relocations we need for this symbol. */ | |
1755 | if (h != NULL) | |
1756 | head = | |
07d6d2b8 | 1757 | &((struct tilepro_elf_link_hash_entry *) h)->dyn_relocs; |
aa137e4d NC |
1758 | else |
1759 | { | |
1760 | /* Track dynamic relocs needed for local syms too. | |
1761 | We really need local syms available to do this | |
1762 | easily. Oh well. */ | |
1763 | ||
1764 | asection *s; | |
1765 | void *vpp; | |
1766 | Elf_Internal_Sym *isym; | |
1767 | ||
1768 | isym = bfd_sym_from_r_symndx (&htab->sym_cache, | |
1769 | abfd, r_symndx); | |
1770 | if (isym == NULL) | |
1771 | return FALSE; | |
1772 | ||
1773 | s = bfd_section_from_elf_index (abfd, isym->st_shndx); | |
1774 | if (s == NULL) | |
1775 | s = sec; | |
1776 | ||
1777 | vpp = &elf_section_data (s)->local_dynrel; | |
3bf083ed | 1778 | head = (struct elf_dyn_relocs **) vpp; |
aa137e4d NC |
1779 | } |
1780 | ||
1781 | p = *head; | |
1782 | if (p == NULL || p->sec != sec) | |
1783 | { | |
1784 | bfd_size_type amt = sizeof *p; | |
3bf083ed | 1785 | p = ((struct elf_dyn_relocs *) |
aa137e4d NC |
1786 | bfd_alloc (htab->elf.dynobj, amt)); |
1787 | if (p == NULL) | |
1788 | return FALSE; | |
1789 | p->next = *head; | |
1790 | *head = p; | |
1791 | p->sec = sec; | |
1792 | p->count = 0; | |
1793 | p->pc_count = 0; | |
1794 | } | |
1795 | ||
1796 | p->count += 1; | |
1797 | if (tilepro_elf_howto_table[r_type].pc_relative) | |
1798 | p->pc_count += 1; | |
1799 | } | |
1800 | ||
1801 | break; | |
1802 | ||
1803 | case R_TILEPRO_GNU_VTINHERIT: | |
1804 | if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset)) | |
1805 | return FALSE; | |
1806 | break; | |
1807 | ||
1808 | case R_TILEPRO_GNU_VTENTRY: | |
1809 | if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend)) | |
1810 | return FALSE; | |
1811 | break; | |
1812 | ||
1813 | default: | |
1814 | break; | |
1815 | } | |
1816 | } | |
1817 | ||
1818 | return TRUE; | |
1819 | } | |
1820 | ||
1821 | \f | |
1822 | static asection * | |
1823 | tilepro_elf_gc_mark_hook (asection *sec, | |
07d6d2b8 AM |
1824 | struct bfd_link_info *info, |
1825 | Elf_Internal_Rela *rel, | |
1826 | struct elf_link_hash_entry *h, | |
1827 | Elf_Internal_Sym *sym) | |
aa137e4d NC |
1828 | { |
1829 | if (h != NULL) | |
1830 | { | |
1831 | switch (ELF32_R_TYPE (rel->r_info)) | |
b45b6908 AM |
1832 | { |
1833 | case R_TILEPRO_GNU_VTINHERIT: | |
1834 | case R_TILEPRO_GNU_VTENTRY: | |
1835 | return NULL; | |
1836 | } | |
1837 | } | |
1838 | ||
1839 | /* FIXME: The test here, in check_relocs and in relocate_section | |
0e1862bb L |
1840 | dealing with TLS optimization, ought to be !bfd_link_executable (info). */ |
1841 | if (bfd_link_pic (info)) | |
b45b6908 | 1842 | { |
8e354058 L |
1843 | struct bfd_link_hash_entry *bh; |
1844 | ||
b45b6908 AM |
1845 | switch (ELF32_R_TYPE (rel->r_info)) |
1846 | { | |
1847 | case R_TILEPRO_TLS_GD_CALL: | |
1848 | /* This reloc implicitly references __tls_get_addr. We know | |
1849 | another reloc will reference the same symbol as the one | |
1850 | on this reloc, so the real symbol and section will be | |
1851 | gc marked when processing the other reloc. That lets | |
1852 | us handle __tls_get_addr here. */ | |
8e354058 L |
1853 | bh = NULL; |
1854 | if (! _bfd_generic_link_add_one_symbol (info, sec->owner, | |
1855 | "__tls_get_addr", 0, | |
1856 | bfd_und_section_ptr, | |
1857 | 0, NULL, FALSE, | |
1858 | FALSE, &bh)) | |
1859 | return NULL; | |
1860 | h = (struct elf_link_hash_entry *) bh; | |
b45b6908 AM |
1861 | BFD_ASSERT (h != NULL); |
1862 | h->mark = 1; | |
60d67dc8 AM |
1863 | if (h->is_weakalias) |
1864 | weakdef (h)->mark = 1; | |
b45b6908 AM |
1865 | sym = NULL; |
1866 | } | |
aa137e4d NC |
1867 | } |
1868 | ||
1869 | return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym); | |
1870 | } | |
1871 | ||
63c1f59d AM |
1872 | /* Find dynamic relocs for H that apply to read-only sections. */ |
1873 | ||
1874 | static asection * | |
1875 | readonly_dynrelocs (struct elf_link_hash_entry *h) | |
1876 | { | |
3bf083ed | 1877 | struct elf_dyn_relocs *p; |
63c1f59d AM |
1878 | |
1879 | for (p = tilepro_elf_hash_entry (h)->dyn_relocs; p != NULL; p = p->next) | |
1880 | { | |
1881 | asection *s = p->sec->output_section; | |
1882 | ||
1883 | if (s != NULL && (s->flags & SEC_READONLY) != 0) | |
1884 | return p->sec; | |
1885 | } | |
1886 | return NULL; | |
1887 | } | |
1888 | ||
aa137e4d NC |
1889 | /* Adjust a symbol defined by a dynamic object and referenced by a |
1890 | regular object. The current definition is in some section of the | |
1891 | dynamic object, but we're not including those sections. We have to | |
1892 | change the definition to something the rest of the link can | |
1893 | understand. */ | |
1894 | ||
1895 | static bfd_boolean | |
1896 | tilepro_elf_adjust_dynamic_symbol (struct bfd_link_info *info, | |
1897 | struct elf_link_hash_entry *h) | |
1898 | { | |
1899 | struct tilepro_elf_link_hash_table *htab; | |
5474d94f | 1900 | asection *s, *srel; |
aa137e4d NC |
1901 | |
1902 | htab = tilepro_elf_hash_table (info); | |
1903 | BFD_ASSERT (htab != NULL); | |
1904 | ||
1905 | /* Make sure we know what is going on here. */ | |
1906 | BFD_ASSERT (htab->elf.dynobj != NULL | |
1907 | && (h->needs_plt | |
60d67dc8 | 1908 | || h->is_weakalias |
aa137e4d NC |
1909 | || (h->def_dynamic |
1910 | && h->ref_regular | |
1911 | && !h->def_regular))); | |
1912 | ||
1913 | /* If this is a function, put it in the procedure linkage table. We | |
1914 | will fill in the contents of the procedure linkage table later | |
1915 | (although we could actually do it here). */ | |
1916 | if (h->type == STT_FUNC || h->needs_plt) | |
1917 | { | |
1918 | if (h->plt.refcount <= 0 | |
1919 | || SYMBOL_CALLS_LOCAL (info, h) | |
1920 | || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT | |
1921 | && h->root.type == bfd_link_hash_undefweak)) | |
1922 | { | |
1923 | /* This case can occur if we saw a R_TILEPRO_JOFFLONG_X1_PLT | |
07d6d2b8 AM |
1924 | reloc in an input file, but the symbol was never referred |
1925 | to by a dynamic object, or if all references were garbage | |
1926 | collected. In such a case, we don't actually need to build | |
1927 | a procedure linkage table, and we can just do a | |
1928 | R_TILEPRO_JOFFLONG_X1 relocation instead. */ | |
aa137e4d NC |
1929 | h->plt.offset = (bfd_vma) -1; |
1930 | h->needs_plt = 0; | |
1931 | } | |
1932 | ||
1933 | return TRUE; | |
1934 | } | |
1935 | else | |
1936 | h->plt.offset = (bfd_vma) -1; | |
1937 | ||
1938 | /* If this is a weak symbol, and there is a real definition, the | |
1939 | processor independent code will have arranged for us to see the | |
1940 | real definition first, and we can just use the same value. */ | |
60d67dc8 | 1941 | if (h->is_weakalias) |
aa137e4d | 1942 | { |
60d67dc8 AM |
1943 | struct elf_link_hash_entry *def = weakdef (h); |
1944 | BFD_ASSERT (def->root.type == bfd_link_hash_defined); | |
1945 | h->root.u.def.section = def->root.u.def.section; | |
1946 | h->root.u.def.value = def->root.u.def.value; | |
aa137e4d NC |
1947 | return TRUE; |
1948 | } | |
1949 | ||
1950 | /* This is a reference to a symbol defined by a dynamic object which | |
1951 | is not a function. */ | |
1952 | ||
1953 | /* If we are creating a shared library, we must presume that the | |
1954 | only references to the symbol are via the global offset table. | |
1955 | For such cases we need not do anything here; the relocations will | |
1956 | be handled correctly by relocate_section. */ | |
0e1862bb | 1957 | if (bfd_link_pic (info)) |
aa137e4d NC |
1958 | return TRUE; |
1959 | ||
1960 | /* If there are no references to this symbol that do not use the | |
1961 | GOT, we don't need to generate a copy reloc. */ | |
1962 | if (!h->non_got_ref) | |
1963 | return TRUE; | |
1964 | ||
1965 | /* If -z nocopyreloc was given, we won't generate them either. */ | |
1966 | if (info->nocopyreloc) | |
1967 | { | |
1968 | h->non_got_ref = 0; | |
1969 | return TRUE; | |
1970 | } | |
1971 | ||
3bf083ed | 1972 | /* If we don't find any dynamic relocs in read-only sections, then |
aa137e4d | 1973 | we'll be keeping the dynamic relocs and avoiding the copy reloc. */ |
3bf083ed | 1974 | if (!readonly_dynrelocs (h)) |
aa137e4d NC |
1975 | { |
1976 | h->non_got_ref = 0; | |
1977 | return TRUE; | |
1978 | } | |
1979 | ||
aa137e4d NC |
1980 | /* We must allocate the symbol in our .dynbss section, which will |
1981 | become part of the .bss section of the executable. There will be | |
1982 | an entry for this symbol in the .dynsym section. The dynamic | |
1983 | object will contain position independent code, so all references | |
1984 | from the dynamic object to this symbol will go through the global | |
1985 | offset table. The dynamic linker will use the .dynsym entry to | |
1986 | determine the address it must put in the global offset table, so | |
1987 | both the dynamic object and the regular object will refer to the | |
1988 | same memory location for the variable. */ | |
1989 | ||
1990 | /* We must generate a R_TILEPRO_COPY reloc to tell the dynamic linker | |
1991 | to copy the initial value out of the dynamic object and into the | |
1992 | runtime process image. We need to remember the offset into the | |
1993 | .rel.bss section we are going to use. */ | |
5474d94f AM |
1994 | if ((h->root.u.def.section->flags & SEC_READONLY) != 0) |
1995 | { | |
1996 | s = htab->elf.sdynrelro; | |
1997 | srel = htab->elf.sreldynrelro; | |
1998 | } | |
1999 | else | |
2000 | { | |
2001 | s = htab->elf.sdynbss; | |
2002 | srel = htab->elf.srelbss; | |
2003 | } | |
1d7e9d18 | 2004 | if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0) |
aa137e4d | 2005 | { |
5474d94f | 2006 | srel->size += TILEPRO_ELF_RELA_BYTES; |
aa137e4d NC |
2007 | h->needs_copy = 1; |
2008 | } | |
2009 | ||
5474d94f | 2010 | return _bfd_elf_adjust_dynamic_copy (info, h, s); |
aa137e4d NC |
2011 | } |
2012 | ||
2013 | /* Allocate space in .plt, .got and associated reloc sections for | |
2014 | dynamic relocs. */ | |
2015 | ||
2016 | static bfd_boolean | |
e4d34ace | 2017 | allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf) |
aa137e4d NC |
2018 | { |
2019 | struct bfd_link_info *info; | |
2020 | struct tilepro_elf_link_hash_table *htab; | |
2021 | struct tilepro_elf_link_hash_entry *eh; | |
3bf083ed | 2022 | struct elf_dyn_relocs *p; |
aa137e4d NC |
2023 | |
2024 | if (h->root.type == bfd_link_hash_indirect) | |
2025 | return TRUE; | |
2026 | ||
aa137e4d NC |
2027 | info = (struct bfd_link_info *) inf; |
2028 | htab = tilepro_elf_hash_table (info); | |
2029 | BFD_ASSERT (htab != NULL); | |
2030 | ||
2031 | if (htab->elf.dynamic_sections_created | |
2032 | && h->plt.refcount > 0) | |
2033 | { | |
2034 | /* Make sure this symbol is output as a dynamic symbol. | |
2035 | Undefined weak syms won't yet be marked as dynamic. */ | |
2036 | if (h->dynindx == -1 | |
2037 | && !h->forced_local) | |
2038 | { | |
2039 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) | |
2040 | return FALSE; | |
2041 | } | |
2042 | ||
0e1862bb | 2043 | if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), h)) |
aa137e4d NC |
2044 | { |
2045 | asection *s = htab->elf.splt; | |
2046 | ||
2047 | /* Allocate room for the header. */ | |
2048 | if (s->size == 0) | |
2049 | { | |
663b5850 | 2050 | s->size = PLT_ENTRY_SIZE; |
aa137e4d NC |
2051 | } |
2052 | ||
07d6d2b8 | 2053 | h->plt.offset = s->size; |
aa137e4d NC |
2054 | |
2055 | /* If this symbol is not defined in a regular file, and we are | |
2056 | not generating a shared library, then set the symbol to this | |
2057 | location in the .plt. This is required to make function | |
2058 | pointers compare as equal between the normal executable and | |
2059 | the shared library. */ | |
0e1862bb | 2060 | if (! bfd_link_pic (info) |
aa137e4d NC |
2061 | && !h->def_regular) |
2062 | { | |
2063 | h->root.u.def.section = s; | |
2064 | h->root.u.def.value = h->plt.offset; | |
2065 | } | |
2066 | ||
2067 | /* Make room for this entry. */ | |
2068 | s->size += PLT_ENTRY_SIZE; | |
2069 | ||
2070 | /* We also need to make an entry in the .got.plt section. */ | |
2071 | htab->elf.sgotplt->size += GOT_ENTRY_SIZE; | |
2072 | ||
2073 | /* We also need to make an entry in the .rela.plt section. */ | |
2074 | htab->elf.srelplt->size += TILEPRO_ELF_RELA_BYTES; | |
2075 | } | |
2076 | else | |
2077 | { | |
2078 | h->plt.offset = (bfd_vma) -1; | |
2079 | h->needs_plt = 0; | |
2080 | } | |
2081 | } | |
2082 | else | |
2083 | { | |
2084 | h->plt.offset = (bfd_vma) -1; | |
2085 | h->needs_plt = 0; | |
2086 | } | |
2087 | ||
6f7be959 WL |
2088 | /* If a TLS_IE symbol is now local to the binary, make it a TLS_LE |
2089 | requiring no TLS entry. */ | |
2090 | if (h->got.refcount > 0 | |
1ba1f393 | 2091 | && bfd_link_executable (info) |
6f7be959 WL |
2092 | && h->dynindx == -1 |
2093 | && tilepro_elf_hash_entry(h)->tls_type == GOT_TLS_IE) | |
2094 | h->got.offset = (bfd_vma) -1; | |
2095 | else if (h->got.refcount > 0) | |
aa137e4d NC |
2096 | { |
2097 | asection *s; | |
2098 | bfd_boolean dyn; | |
2099 | int tls_type = tilepro_elf_hash_entry(h)->tls_type; | |
2100 | ||
2101 | /* Make sure this symbol is output as a dynamic symbol. | |
2102 | Undefined weak syms won't yet be marked as dynamic. */ | |
2103 | if (h->dynindx == -1 | |
2104 | && !h->forced_local) | |
2105 | { | |
2106 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) | |
2107 | return FALSE; | |
2108 | } | |
2109 | ||
2110 | s = htab->elf.sgot; | |
2111 | h->got.offset = s->size; | |
2112 | s->size += TILEPRO_BYTES_PER_WORD; | |
2113 | /* R_TILEPRO_IMM16_Xn_TLS_GD entries need 2 consecutive GOT slots. */ | |
2114 | if (tls_type == GOT_TLS_GD) | |
2115 | s->size += TILEPRO_BYTES_PER_WORD; | |
2116 | dyn = htab->elf.dynamic_sections_created; | |
2117 | /* R_TILEPRO_IMM16_Xn_TLS_IE_xxx needs one dynamic relocation, | |
2118 | R_TILEPRO_IMM16_Xn_TLS_GD_xxx needs two if local symbol and two if | |
2119 | global. */ | |
2120 | if (tls_type == GOT_TLS_GD || tls_type == GOT_TLS_IE) | |
2121 | htab->elf.srelgot->size += 2 * TILEPRO_ELF_RELA_BYTES; | |
0e1862bb L |
2122 | else if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, |
2123 | bfd_link_pic (info), | |
2124 | h)) | |
aa137e4d NC |
2125 | htab->elf.srelgot->size += TILEPRO_ELF_RELA_BYTES; |
2126 | } | |
2127 | else | |
2128 | h->got.offset = (bfd_vma) -1; | |
2129 | ||
2130 | eh = (struct tilepro_elf_link_hash_entry *) h; | |
2131 | if (eh->dyn_relocs == NULL) | |
2132 | return TRUE; | |
2133 | ||
2134 | /* In the shared -Bsymbolic case, discard space allocated for | |
2135 | dynamic pc-relative relocs against symbols which turn out to be | |
2136 | defined in regular objects. For the normal shared case, discard | |
2137 | space for pc-relative relocs that have become local due to symbol | |
2138 | visibility changes. */ | |
2139 | ||
0e1862bb | 2140 | if (bfd_link_pic (info)) |
aa137e4d NC |
2141 | { |
2142 | if (SYMBOL_CALLS_LOCAL (info, h)) | |
2143 | { | |
3bf083ed | 2144 | struct elf_dyn_relocs **pp; |
aa137e4d NC |
2145 | |
2146 | for (pp = &eh->dyn_relocs; (p = *pp) != NULL; ) | |
2147 | { | |
2148 | p->count -= p->pc_count; | |
2149 | p->pc_count = 0; | |
2150 | if (p->count == 0) | |
2151 | *pp = p->next; | |
2152 | else | |
2153 | pp = &p->next; | |
2154 | } | |
2155 | } | |
2156 | ||
2157 | /* Also discard relocs on undefined weak syms with non-default | |
2158 | visibility. */ | |
2159 | if (eh->dyn_relocs != NULL | |
2160 | && h->root.type == bfd_link_hash_undefweak) | |
2161 | { | |
a3cd202a L |
2162 | if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT |
2163 | || UNDEFWEAK_NO_DYNAMIC_RELOC (info, h)) | |
aa137e4d NC |
2164 | eh->dyn_relocs = NULL; |
2165 | ||
2166 | /* Make sure undefined weak symbols are output as a dynamic | |
2167 | symbol in PIEs. */ | |
2168 | else if (h->dynindx == -1 | |
2169 | && !h->forced_local) | |
2170 | { | |
2171 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) | |
2172 | return FALSE; | |
2173 | } | |
2174 | } | |
2175 | } | |
2176 | else | |
2177 | { | |
2178 | /* For the non-shared case, discard space for relocs against | |
2179 | symbols which turn out to need copy relocs or are not | |
2180 | dynamic. */ | |
2181 | ||
2182 | if (!h->non_got_ref | |
2183 | && ((h->def_dynamic | |
2184 | && !h->def_regular) | |
2185 | || (htab->elf.dynamic_sections_created | |
2186 | && (h->root.type == bfd_link_hash_undefweak | |
2187 | || h->root.type == bfd_link_hash_undefined)))) | |
2188 | { | |
2189 | /* Make sure this symbol is output as a dynamic symbol. | |
2190 | Undefined weak syms won't yet be marked as dynamic. */ | |
2191 | if (h->dynindx == -1 | |
2192 | && !h->forced_local) | |
2193 | { | |
2194 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) | |
2195 | return FALSE; | |
2196 | } | |
2197 | ||
2198 | /* If that succeeded, we know we'll be keeping all the | |
2199 | relocs. */ | |
2200 | if (h->dynindx != -1) | |
2201 | goto keep; | |
2202 | } | |
2203 | ||
2204 | eh->dyn_relocs = NULL; | |
2205 | ||
2206 | keep: ; | |
2207 | } | |
2208 | ||
2209 | /* Finally, allocate space. */ | |
2210 | for (p = eh->dyn_relocs; p != NULL; p = p->next) | |
2211 | { | |
2212 | asection *sreloc = elf_section_data (p->sec)->sreloc; | |
2213 | sreloc->size += p->count * TILEPRO_ELF_RELA_BYTES; | |
2214 | } | |
2215 | ||
2216 | return TRUE; | |
2217 | } | |
2218 | ||
63c1f59d AM |
2219 | /* Set DF_TEXTREL if we find any dynamic relocs that apply to |
2220 | read-only sections. */ | |
aa137e4d NC |
2221 | |
2222 | static bfd_boolean | |
63c1f59d | 2223 | maybe_set_textrel (struct elf_link_hash_entry *h, void *info_p) |
aa137e4d | 2224 | { |
63c1f59d | 2225 | asection *sec; |
aa137e4d | 2226 | |
63c1f59d AM |
2227 | if (h->root.type == bfd_link_hash_indirect) |
2228 | return TRUE; | |
aa137e4d | 2229 | |
63c1f59d AM |
2230 | sec = readonly_dynrelocs (h); |
2231 | if (sec != NULL) | |
2232 | { | |
2233 | struct bfd_link_info *info = (struct bfd_link_info *) info_p; | |
aa137e4d | 2234 | |
63c1f59d AM |
2235 | info->flags |= DF_TEXTREL; |
2236 | info->callbacks->minfo | |
2237 | (_("%B: dynamic relocation against `%T' in read-only section `%A'\n"), | |
2238 | sec->owner, h->root.root.string, sec); | |
007873f5 | 2239 | |
63c1f59d AM |
2240 | /* Not an error, just cut short the traversal. */ |
2241 | return FALSE; | |
aa137e4d NC |
2242 | } |
2243 | return TRUE; | |
2244 | } | |
2245 | ||
2246 | /* Return true if the dynamic symbol for a given section should be | |
2247 | omitted when creating a shared library. */ | |
2248 | ||
2249 | static bfd_boolean | |
2250 | tilepro_elf_omit_section_dynsym (bfd *output_bfd, | |
2251 | struct bfd_link_info *info, | |
2252 | asection *p) | |
2253 | { | |
2254 | /* We keep the .got section symbol so that explicit relocations | |
2255 | against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode | |
2256 | can be turned into relocations against the .got symbol. */ | |
2257 | if (strcmp (p->name, ".got") == 0) | |
2258 | return FALSE; | |
2259 | ||
2260 | return _bfd_elf_link_omit_section_dynsym (output_bfd, info, p); | |
2261 | } | |
2262 | ||
2263 | /* Set the sizes of the dynamic sections. */ | |
2264 | ||
2265 | #define ELF32_DYNAMIC_INTERPRETER "/lib/ld.so.1" | |
2266 | ||
2267 | static bfd_boolean | |
2268 | tilepro_elf_size_dynamic_sections (bfd *output_bfd, | |
2269 | struct bfd_link_info *info) | |
2270 | { | |
2271 | (void)output_bfd; | |
2272 | ||
2273 | struct tilepro_elf_link_hash_table *htab; | |
2274 | bfd *dynobj; | |
2275 | asection *s; | |
2276 | bfd *ibfd; | |
2277 | ||
2278 | htab = tilepro_elf_hash_table (info); | |
2279 | BFD_ASSERT (htab != NULL); | |
2280 | dynobj = htab->elf.dynobj; | |
2281 | BFD_ASSERT (dynobj != NULL); | |
2282 | ||
2283 | if (elf_hash_table (info)->dynamic_sections_created) | |
2284 | { | |
2285 | /* Set the contents of the .interp section to the interpreter. */ | |
9b8b325a | 2286 | if (bfd_link_executable (info) && !info->nointerp) |
aa137e4d | 2287 | { |
3d4d4302 | 2288 | s = bfd_get_linker_section (dynobj, ".interp"); |
aa137e4d NC |
2289 | BFD_ASSERT (s != NULL); |
2290 | s->size = sizeof ELF32_DYNAMIC_INTERPRETER; | |
2291 | s->contents = (unsigned char *) ELF32_DYNAMIC_INTERPRETER; | |
2292 | } | |
2293 | } | |
2294 | ||
2295 | /* Set up .got offsets for local syms, and space for local dynamic | |
2296 | relocs. */ | |
c72f2fb2 | 2297 | for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next) |
aa137e4d NC |
2298 | { |
2299 | bfd_signed_vma *local_got; | |
2300 | bfd_signed_vma *end_local_got; | |
2301 | char *local_tls_type; | |
2302 | bfd_size_type locsymcount; | |
2303 | Elf_Internal_Shdr *symtab_hdr; | |
2304 | asection *srel; | |
2305 | ||
2306 | if (! is_tilepro_elf (ibfd)) | |
2307 | continue; | |
2308 | ||
2309 | for (s = ibfd->sections; s != NULL; s = s->next) | |
2310 | { | |
3bf083ed | 2311 | struct elf_dyn_relocs *p; |
aa137e4d NC |
2312 | |
2313 | for (p = elf_section_data (s)->local_dynrel; p != NULL; p = p->next) | |
2314 | { | |
2315 | if (!bfd_is_abs_section (p->sec) | |
2316 | && bfd_is_abs_section (p->sec->output_section)) | |
2317 | { | |
2318 | /* Input section has been discarded, either because | |
2319 | it is a copy of a linkonce section or due to | |
2320 | linker script /DISCARD/, so we'll be discarding | |
2321 | the relocs too. */ | |
2322 | } | |
2323 | else if (p->count != 0) | |
2324 | { | |
2325 | srel = elf_section_data (p->sec)->sreloc; | |
2326 | srel->size += p->count * TILEPRO_ELF_RELA_BYTES; | |
2327 | if ((p->sec->output_section->flags & SEC_READONLY) != 0) | |
007873f5 L |
2328 | { |
2329 | info->flags |= DF_TEXTREL; | |
2330 | ||
2331 | info->callbacks->minfo (_("%B: dynamic relocation in read-only section `%A'\n"), | |
2332 | p->sec->owner, p->sec); | |
2333 | } | |
aa137e4d NC |
2334 | } |
2335 | } | |
2336 | } | |
2337 | ||
2338 | local_got = elf_local_got_refcounts (ibfd); | |
2339 | if (!local_got) | |
2340 | continue; | |
2341 | ||
2342 | symtab_hdr = &elf_symtab_hdr (ibfd); | |
2343 | locsymcount = symtab_hdr->sh_info; | |
2344 | end_local_got = local_got + locsymcount; | |
2345 | local_tls_type = _bfd_tilepro_elf_local_got_tls_type (ibfd); | |
2346 | s = htab->elf.sgot; | |
2347 | srel = htab->elf.srelgot; | |
2348 | for (; local_got < end_local_got; ++local_got, ++local_tls_type) | |
2349 | { | |
2350 | if (*local_got > 0) | |
2351 | { | |
2352 | *local_got = s->size; | |
2353 | s->size += TILEPRO_BYTES_PER_WORD; | |
2354 | if (*local_tls_type == GOT_TLS_GD) | |
2355 | s->size += TILEPRO_BYTES_PER_WORD; | |
0e1862bb | 2356 | if (bfd_link_pic (info) |
aa137e4d NC |
2357 | || *local_tls_type == GOT_TLS_GD |
2358 | || *local_tls_type == GOT_TLS_IE) | |
2359 | srel->size += TILEPRO_ELF_RELA_BYTES; | |
2360 | } | |
2361 | else | |
2362 | *local_got = (bfd_vma) -1; | |
2363 | } | |
2364 | } | |
2365 | ||
2366 | /* Allocate global sym .plt and .got entries, and space for global | |
2367 | sym dynamic relocs. */ | |
e4d34ace | 2368 | elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, info); |
aa137e4d NC |
2369 | |
2370 | if (elf_hash_table (info)->dynamic_sections_created) | |
2371 | { | |
2372 | /* If the .got section is more than 0x8000 bytes, we add | |
2373 | 0x8000 to the value of _GLOBAL_OFFSET_TABLE_, so that 16 | |
2374 | bit relocations have a greater chance of working. */ | |
2375 | if (htab->elf.sgot->size >= 0x8000 | |
2376 | && elf_hash_table (info)->hgot->root.u.def.value == 0) | |
2377 | elf_hash_table (info)->hgot->root.u.def.value = 0x8000; | |
2378 | } | |
2379 | ||
2380 | if (htab->elf.sgotplt) | |
2381 | { | |
2382 | struct elf_link_hash_entry *got; | |
2383 | got = elf_link_hash_lookup (elf_hash_table (info), | |
2384 | "_GLOBAL_OFFSET_TABLE_", | |
2385 | FALSE, FALSE, FALSE); | |
2386 | ||
2387 | /* Don't allocate .got.plt section if there are no GOT nor PLT | |
07d6d2b8 | 2388 | entries and there is no refeence to _GLOBAL_OFFSET_TABLE_. */ |
aa137e4d NC |
2389 | if ((got == NULL |
2390 | || !got->ref_regular_nonweak) | |
2391 | && (htab->elf.sgotplt->size | |
2392 | == GOTPLT_HEADER_SIZE) | |
2393 | && (htab->elf.splt == NULL | |
2394 | || htab->elf.splt->size == 0) | |
2395 | && (htab->elf.sgot == NULL | |
2396 | || (htab->elf.sgot->size | |
2397 | == get_elf_backend_data (output_bfd)->got_header_size))) | |
2398 | htab->elf.sgotplt->size = 0; | |
2399 | } | |
2400 | ||
2401 | /* The check_relocs and adjust_dynamic_symbol entry points have | |
2402 | determined the sizes of the various dynamic sections. Allocate | |
2403 | memory for them. */ | |
2404 | for (s = dynobj->sections; s != NULL; s = s->next) | |
2405 | { | |
2406 | if ((s->flags & SEC_LINKER_CREATED) == 0) | |
2407 | continue; | |
2408 | ||
2409 | if (s == htab->elf.splt | |
2410 | || s == htab->elf.sgot | |
2411 | || s == htab->elf.sgotplt | |
5474d94f AM |
2412 | || s == htab->elf.sdynbss |
2413 | || s == htab->elf.sdynrelro) | |
aa137e4d NC |
2414 | { |
2415 | /* Strip this section if we don't need it; see the | |
2416 | comment below. */ | |
2417 | } | |
2418 | else if (strncmp (s->name, ".rela", 5) == 0) | |
2419 | { | |
2420 | if (s->size != 0) | |
2421 | { | |
2422 | /* We use the reloc_count field as a counter if we need | |
2423 | to copy relocs into the output file. */ | |
2424 | s->reloc_count = 0; | |
2425 | } | |
2426 | } | |
2427 | else | |
2428 | { | |
2429 | /* It's not one of our sections. */ | |
2430 | continue; | |
2431 | } | |
2432 | ||
2433 | if (s->size == 0) | |
2434 | { | |
2435 | /* If we don't need this section, strip it from the | |
2436 | output file. This is mostly to handle .rela.bss and | |
2437 | .rela.plt. We must create both sections in | |
2438 | create_dynamic_sections, because they must be created | |
2439 | before the linker maps input sections to output | |
2440 | sections. The linker does that before | |
2441 | adjust_dynamic_symbol is called, and it is that | |
2442 | function which decides whether anything needs to go | |
2443 | into these sections. */ | |
2444 | s->flags |= SEC_EXCLUDE; | |
2445 | continue; | |
2446 | } | |
2447 | ||
2448 | if ((s->flags & SEC_HAS_CONTENTS) == 0) | |
2449 | continue; | |
2450 | ||
2451 | /* Allocate memory for the section contents. Zero the memory | |
2452 | for the benefit of .rela.plt, which has 4 unused entries | |
2453 | at the beginning, and we don't want garbage. */ | |
2454 | s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size); | |
2455 | if (s->contents == NULL) | |
2456 | return FALSE; | |
2457 | } | |
2458 | ||
2459 | if (elf_hash_table (info)->dynamic_sections_created) | |
2460 | { | |
2461 | /* Add some entries to the .dynamic section. We fill in the | |
2462 | values later, in tilepro_elf_finish_dynamic_sections, but we | |
2463 | must add the entries now so that we get the correct size for | |
2464 | the .dynamic section. The DT_DEBUG entry is filled in by the | |
2465 | dynamic linker and used by the debugger. */ | |
2466 | #define add_dynamic_entry(TAG, VAL) \ | |
2467 | _bfd_elf_add_dynamic_entry (info, TAG, VAL) | |
2468 | ||
0e1862bb | 2469 | if (bfd_link_executable (info)) |
aa137e4d NC |
2470 | { |
2471 | if (!add_dynamic_entry (DT_DEBUG, 0)) | |
2472 | return FALSE; | |
2473 | } | |
2474 | ||
2475 | if (htab->elf.srelplt->size != 0) | |
2476 | { | |
2477 | if (!add_dynamic_entry (DT_PLTGOT, 0) | |
2478 | || !add_dynamic_entry (DT_PLTRELSZ, 0) | |
2479 | || !add_dynamic_entry (DT_PLTREL, DT_RELA) | |
2480 | || !add_dynamic_entry (DT_JMPREL, 0)) | |
2481 | return FALSE; | |
2482 | } | |
2483 | ||
2484 | if (!add_dynamic_entry (DT_RELA, 0) | |
2485 | || !add_dynamic_entry (DT_RELASZ, 0) | |
2486 | || !add_dynamic_entry (DT_RELAENT, TILEPRO_ELF_RELA_BYTES)) | |
2487 | return FALSE; | |
2488 | ||
2489 | /* If any dynamic relocs apply to a read-only section, | |
2490 | then we need a DT_TEXTREL entry. */ | |
2491 | if ((info->flags & DF_TEXTREL) == 0) | |
63c1f59d | 2492 | elf_link_hash_traverse (&htab->elf, maybe_set_textrel, info); |
aa137e4d NC |
2493 | |
2494 | if (info->flags & DF_TEXTREL) | |
2495 | { | |
2496 | if (!add_dynamic_entry (DT_TEXTREL, 0)) | |
2497 | return FALSE; | |
2498 | } | |
2499 | } | |
2500 | #undef add_dynamic_entry | |
2501 | ||
2502 | return TRUE; | |
2503 | } | |
2504 | \f | |
2505 | /* Return the base VMA address which should be subtracted from real addresses | |
2506 | when resolving @dtpoff relocation. | |
2507 | This is PT_TLS segment p_vaddr. */ | |
2508 | ||
2509 | static bfd_vma | |
2510 | dtpoff_base (struct bfd_link_info *info) | |
2511 | { | |
2512 | /* If tls_sec is NULL, we should have signalled an error already. */ | |
2513 | if (elf_hash_table (info)->tls_sec == NULL) | |
2514 | return 0; | |
2515 | return elf_hash_table (info)->tls_sec->vma; | |
2516 | } | |
2517 | ||
2518 | /* Return the relocation value for R_TILEPRO_TLS_TPOFF32. */ | |
2519 | ||
2520 | static bfd_vma | |
2521 | tpoff (struct bfd_link_info *info, bfd_vma address) | |
2522 | { | |
2523 | struct elf_link_hash_table *htab = elf_hash_table (info); | |
2524 | ||
2525 | /* If tls_sec is NULL, we should have signalled an error already. */ | |
2526 | if (htab->tls_sec == NULL) | |
2527 | return 0; | |
2528 | ||
2529 | return (address - htab->tls_sec->vma); | |
2530 | } | |
2531 | ||
6f7be959 WL |
2532 | /* Replace the MASK bits in ADDR with those in INSN, for the next |
2533 | TILEPRO_BUNDLE_SIZE_IN_BYTES bytes. */ | |
2534 | ||
2535 | static void | |
2536 | tilepro_replace_insn (bfd_byte *addr, const bfd_byte *mask, | |
2537 | const bfd_byte *insn) | |
2538 | { | |
2539 | int i; | |
2540 | for (i = 0; i < TILEPRO_BUNDLE_SIZE_IN_BYTES; i++) | |
2541 | { | |
2542 | addr[i] = (addr[i] & ~mask[i]) | (insn[i] & mask[i]); | |
2543 | } | |
2544 | } | |
2545 | ||
2546 | /* Mask to extract the bits corresponding to an instruction in a | |
2547 | specific pipe of a bundle. */ | |
2548 | static const bfd_byte insn_mask_X1[] = { | |
2549 | 0x00, 0x00, 0x00, 0x80, 0xff, 0xff, 0xff, 0x7f | |
2550 | }; | |
2551 | ||
2552 | /* Mask to extract the bits corresponding to an instruction in a | |
2553 | specific pipe of a bundle, minus the destination operand and the | |
2554 | first source operand. */ | |
2555 | static const bfd_byte insn_mask_X0_no_dest_no_srca[] = { | |
2556 | 0x00, 0xf0, 0xff, 0x7f, 0x00, 0x00, 0x00, 0x00 | |
2557 | }; | |
2558 | ||
2559 | static const bfd_byte insn_mask_X1_no_dest_no_srca[] = { | |
2560 | 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0xff, 0x7f | |
2561 | }; | |
2562 | ||
2563 | static const bfd_byte insn_mask_Y0_no_dest_no_srca[] = { | |
2564 | 0x00, 0xf0, 0x0f, 0x78, 0x00, 0x00, 0x00, 0x00 | |
2565 | }; | |
2566 | ||
2567 | static const bfd_byte insn_mask_Y1_no_dest_no_srca[] = { | |
2568 | 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x07, 0x78 | |
2569 | }; | |
2570 | ||
2571 | /* Mask to extract the first source operand of an instruction. */ | |
2572 | static const bfd_byte srca_mask_X0[] = { | |
2573 | 0xc0, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 | |
2574 | }; | |
2575 | ||
2576 | static const bfd_byte srca_mask_X1[] = { | |
2577 | 0x00, 0x00, 0x00, 0x00, 0xe0, 0x07, 0x00, 0x00 | |
2578 | }; | |
2579 | ||
2580 | /* Various instructions synthesized to support tls references. */ | |
2581 | ||
2582 | /* move r0, r0 in the X1 pipe, used for tls le. */ | |
2583 | static const bfd_byte insn_tls_le_move_X1[] = { | |
2584 | 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x33, 0x08 | |
2585 | }; | |
2586 | ||
2587 | /* move r0, zero in the X0 and X1 pipe, used for tls le. */ | |
2588 | static const bfd_byte insn_tls_le_move_zero_X0X1[] = { | |
2589 | 0xc0, 0xff, 0xcf, 0x00, 0xe0, 0xff, 0x33, 0x08 | |
2590 | }; | |
2591 | ||
2592 | /* lw r0, r0 in the X1 pipe, used for tls ie. */ | |
2593 | static const bfd_byte insn_tls_ie_lw_X1[] = { | |
2594 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x70, 0x0b, 0x40 | |
2595 | }; | |
2596 | ||
2597 | /* add r0, r0, tp in various pipes, used for tls ie. */ | |
2598 | static const bfd_byte insn_tls_ie_add_X0X1[] = { | |
2599 | 0x00, 0x50, 0x0f, 0x00, 0x00, 0xa8, 0x07, 0x08 | |
2600 | }; | |
2601 | static const bfd_byte insn_tls_ie_add_Y0Y1[] = { | |
2602 | 0x00, 0x50, 0x03, 0x08, 0x00, 0xa8, 0x01, 0x8c | |
2603 | }; | |
2604 | ||
2605 | /* move r0, r0 in various pipes, used for tls gd. */ | |
2606 | static const bfd_byte insn_tls_gd_add_X0X1[] = { | |
2607 | 0x00, 0xf0, 0xcf, 0x00, 0x00, 0xf8, 0x33, 0x08 | |
2608 | }; | |
2609 | static const bfd_byte insn_tls_gd_add_Y0Y1[] = { | |
2610 | 0x00, 0xf0, 0x0b, 0x18, 0x00, 0xf8, 0x05, 0x9c | |
2611 | }; | |
2612 | ||
aa137e4d NC |
2613 | /* Relocate an TILEPRO ELF section. |
2614 | ||
2615 | The RELOCATE_SECTION function is called by the new ELF backend linker | |
2616 | to handle the relocations for a section. | |
2617 | ||
2618 | The relocs are always passed as Rela structures. | |
2619 | ||
2620 | This function is responsible for adjusting the section contents as | |
2621 | necessary, and (if generating a relocatable output file) adjusting | |
2622 | the reloc addend as necessary. | |
2623 | ||
2624 | This function does not have to worry about setting the reloc | |
2625 | address or the reloc symbol index. | |
2626 | ||
2627 | LOCAL_SYMS is a pointer to the swapped in local symbols. | |
2628 | ||
2629 | LOCAL_SECTIONS is an array giving the section in the input file | |
2630 | corresponding to the st_shndx field of each local symbol. | |
2631 | ||
2632 | The global hash table entry for the global symbols can be found | |
2633 | via elf_sym_hashes (input_bfd). | |
2634 | ||
2635 | When generating relocatable output, this function must handle | |
2636 | STB_LOCAL/STT_SECTION symbols specially. The output symbol is | |
2637 | going to be the section symbol corresponding to the output | |
2638 | section, which means that the addend must be adjusted | |
2639 | accordingly. */ | |
2640 | ||
2641 | static bfd_boolean | |
2642 | tilepro_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info, | |
07d6d2b8 AM |
2643 | bfd *input_bfd, asection *input_section, |
2644 | bfd_byte *contents, Elf_Internal_Rela *relocs, | |
2645 | Elf_Internal_Sym *local_syms, | |
2646 | asection **local_sections) | |
aa137e4d NC |
2647 | { |
2648 | struct tilepro_elf_link_hash_table *htab; | |
2649 | Elf_Internal_Shdr *symtab_hdr; | |
2650 | struct elf_link_hash_entry **sym_hashes; | |
2651 | bfd_vma *local_got_offsets; | |
535127d2 | 2652 | bfd_vma got_base; |
aa137e4d NC |
2653 | asection *sreloc; |
2654 | Elf_Internal_Rela *rel; | |
2655 | Elf_Internal_Rela *relend; | |
2656 | int num_relocs; | |
2657 | ||
2658 | htab = tilepro_elf_hash_table (info); | |
2659 | BFD_ASSERT (htab != NULL); | |
2660 | symtab_hdr = &elf_symtab_hdr (input_bfd); | |
2661 | sym_hashes = elf_sym_hashes (input_bfd); | |
2662 | local_got_offsets = elf_local_got_offsets (input_bfd); | |
2663 | ||
535127d2 WL |
2664 | if (elf_hash_table (info)->hgot == NULL) |
2665 | got_base = 0; | |
2666 | else | |
2667 | got_base = elf_hash_table (info)->hgot->root.u.def.value; | |
2668 | ||
aa137e4d NC |
2669 | sreloc = elf_section_data (input_section)->sreloc; |
2670 | ||
2671 | rel = relocs; | |
2672 | num_relocs = input_section->reloc_count; | |
2673 | relend = relocs + num_relocs; | |
2674 | for (; rel < relend; rel++) | |
2675 | { | |
2676 | int r_type, tls_type; | |
6f7be959 | 2677 | bfd_boolean is_tls_iele, is_tls_le; |
aa137e4d NC |
2678 | reloc_howto_type *howto; |
2679 | unsigned long r_symndx; | |
2680 | struct elf_link_hash_entry *h; | |
2681 | Elf_Internal_Sym *sym; | |
2682 | tilepro_create_func create_func; | |
2683 | asection *sec; | |
2684 | bfd_vma relocation; | |
2685 | bfd_reloc_status_type r; | |
2686 | const char *name; | |
2687 | bfd_vma off; | |
2688 | bfd_boolean is_plt = FALSE; | |
a3cd202a | 2689 | bfd_boolean resolved_to_zero; |
aa137e4d NC |
2690 | bfd_boolean unresolved_reloc; |
2691 | ||
2692 | r_type = ELF32_R_TYPE (rel->r_info); | |
2693 | if (r_type == R_TILEPRO_GNU_VTINHERIT | |
2694 | || r_type == R_TILEPRO_GNU_VTENTRY) | |
2695 | continue; | |
2696 | ||
2697 | if ((unsigned int)r_type >= NELEMS(tilepro_elf_howto_table)) | |
47aeb64c | 2698 | return _bfd_unrecognized_reloc (input_bfd, input_section, r_type); |
aa137e4d NC |
2699 | |
2700 | howto = tilepro_elf_howto_table + r_type; | |
2701 | ||
2702 | /* This is a final link. */ | |
2703 | r_symndx = ELF32_R_SYM (rel->r_info); | |
2704 | h = NULL; | |
2705 | sym = NULL; | |
2706 | sec = NULL; | |
2707 | unresolved_reloc = FALSE; | |
2708 | if (r_symndx < symtab_hdr->sh_info) | |
2709 | { | |
2710 | sym = local_syms + r_symndx; | |
2711 | sec = local_sections[r_symndx]; | |
2712 | relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel); | |
2713 | } | |
2714 | else | |
2715 | { | |
62d887d4 L |
2716 | bfd_boolean warned ATTRIBUTE_UNUSED; |
2717 | bfd_boolean ignored ATTRIBUTE_UNUSED; | |
aa137e4d NC |
2718 | |
2719 | RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel, | |
2720 | r_symndx, symtab_hdr, sym_hashes, | |
2721 | h, sec, relocation, | |
62d887d4 | 2722 | unresolved_reloc, warned, ignored); |
aa137e4d NC |
2723 | if (warned) |
2724 | { | |
2725 | /* To avoid generating warning messages about truncated | |
2726 | relocations, set the relocation's address to be the same as | |
2727 | the start of this section. */ | |
2728 | if (input_section->output_section != NULL) | |
2729 | relocation = input_section->output_section->vma; | |
2730 | else | |
2731 | relocation = 0; | |
2732 | } | |
2733 | } | |
2734 | ||
dbaa2011 | 2735 | if (sec != NULL && discarded_section (sec)) |
aa137e4d | 2736 | RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section, |
545fd46b | 2737 | rel, 1, relend, howto, 0, contents); |
aa137e4d | 2738 | |
0e1862bb | 2739 | if (bfd_link_relocatable (info)) |
aa137e4d NC |
2740 | continue; |
2741 | ||
2742 | if (h != NULL) | |
2743 | name = h->root.root.string; | |
2744 | else | |
2745 | { | |
2746 | name = (bfd_elf_string_from_elf_section | |
2747 | (input_bfd, symtab_hdr->sh_link, sym->st_name)); | |
2748 | if (name == NULL || *name == '\0') | |
2749 | name = bfd_section_name (input_bfd, sec); | |
2750 | } | |
2751 | ||
6f7be959 WL |
2752 | switch (r_type) |
2753 | { | |
2754 | case R_TILEPRO_TLS_GD_CALL: | |
2755 | case R_TILEPRO_IMM8_X0_TLS_GD_ADD: | |
2756 | case R_TILEPRO_IMM8_Y0_TLS_GD_ADD: | |
2757 | case R_TILEPRO_IMM8_X1_TLS_GD_ADD: | |
2758 | case R_TILEPRO_IMM8_Y1_TLS_GD_ADD: | |
2759 | case R_TILEPRO_IMM16_X0_TLS_GD_HA: | |
2760 | case R_TILEPRO_IMM16_X1_TLS_GD_HA: | |
2761 | case R_TILEPRO_IMM16_X0_TLS_IE_HA: | |
2762 | case R_TILEPRO_IMM16_X1_TLS_IE_HA: | |
2763 | tls_type = GOT_UNKNOWN; | |
2764 | if (h == NULL && local_got_offsets) | |
2765 | tls_type = | |
2766 | _bfd_tilepro_elf_local_got_tls_type (input_bfd) [r_symndx]; | |
2767 | else if (h != NULL) | |
2768 | tls_type = tilepro_elf_hash_entry(h)->tls_type; | |
2769 | ||
1ba1f393 L |
2770 | is_tls_iele = (bfd_link_executable (info) || tls_type == GOT_TLS_IE); |
2771 | is_tls_le = is_tls_iele && (bfd_link_executable (info) | |
6f7be959 WL |
2772 | && (h == NULL || h->dynindx == -1)); |
2773 | ||
2774 | if (r_type == R_TILEPRO_TLS_GD_CALL) | |
2775 | { | |
2776 | if (is_tls_le) | |
2777 | { | |
2778 | /* GD -> LE */ | |
2779 | tilepro_replace_insn (contents + rel->r_offset, | |
2780 | insn_mask_X1, insn_tls_le_move_X1); | |
2781 | continue; | |
2782 | } | |
2783 | else if (is_tls_iele) | |
2784 | { | |
2785 | /* GD -> IE */ | |
2786 | tilepro_replace_insn (contents + rel->r_offset, | |
2787 | insn_mask_X1, insn_tls_ie_lw_X1); | |
2788 | continue; | |
2789 | } | |
2790 | ||
2791 | /* GD -> GD */ | |
2792 | h = (struct elf_link_hash_entry *) | |
2793 | bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE, | |
2794 | FALSE, TRUE); | |
2795 | BFD_ASSERT (h != NULL); | |
2796 | r_type = R_TILEPRO_JOFFLONG_X1_PLT; | |
2797 | howto = tilepro_elf_howto_table + r_type; | |
2798 | } | |
2799 | else if (r_type == R_TILEPRO_IMM16_X0_TLS_GD_HA | |
2800 | || r_type == R_TILEPRO_IMM16_X0_TLS_IE_HA) | |
2801 | { | |
2802 | if (is_tls_le) | |
2803 | tilepro_replace_insn (contents + rel->r_offset, srca_mask_X0, | |
2804 | insn_tls_le_move_zero_X0X1); | |
2805 | } | |
2806 | else if (r_type == R_TILEPRO_IMM16_X1_TLS_GD_HA | |
2807 | || r_type == R_TILEPRO_IMM16_X1_TLS_IE_HA) | |
2808 | { | |
2809 | if (is_tls_le) | |
2810 | tilepro_replace_insn (contents + rel->r_offset, srca_mask_X1, | |
2811 | insn_tls_le_move_zero_X0X1); | |
2812 | } | |
2813 | else | |
2814 | { | |
2815 | const bfd_byte *mask = NULL; | |
2816 | const bfd_byte *add_insn = NULL; | |
2817 | ||
2818 | switch (r_type) | |
2819 | { | |
2820 | case R_TILEPRO_IMM8_X0_TLS_GD_ADD: | |
2821 | add_insn = is_tls_iele ? insn_tls_ie_add_X0X1 | |
2822 | : insn_tls_gd_add_X0X1; | |
2823 | mask = insn_mask_X0_no_dest_no_srca; | |
2824 | break; | |
2825 | case R_TILEPRO_IMM8_X1_TLS_GD_ADD: | |
2826 | add_insn = is_tls_iele ? insn_tls_ie_add_X0X1 | |
2827 | : insn_tls_gd_add_X0X1; | |
2828 | mask = insn_mask_X1_no_dest_no_srca; | |
2829 | break; | |
2830 | case R_TILEPRO_IMM8_Y0_TLS_GD_ADD: | |
2831 | add_insn = is_tls_iele ? insn_tls_ie_add_Y0Y1 | |
2832 | : insn_tls_gd_add_Y0Y1; | |
2833 | mask = insn_mask_Y0_no_dest_no_srca; | |
2834 | break; | |
2835 | case R_TILEPRO_IMM8_Y1_TLS_GD_ADD: | |
2836 | add_insn = is_tls_iele ? insn_tls_ie_add_Y0Y1 | |
2837 | : insn_tls_gd_add_Y0Y1; | |
2838 | mask = insn_mask_Y1_no_dest_no_srca; | |
2839 | break; | |
2840 | } | |
2841 | ||
2842 | tilepro_replace_insn (contents + rel->r_offset, mask, add_insn); | |
2843 | ||
2844 | continue; | |
2845 | } | |
2846 | break; | |
2847 | case R_TILEPRO_TLS_IE_LOAD: | |
1ba1f393 | 2848 | if (bfd_link_executable (info) && (h == NULL || h->dynindx == -1)) |
6f7be959 WL |
2849 | /* IE -> LE */ |
2850 | tilepro_replace_insn (contents + rel->r_offset, | |
2851 | insn_mask_X1_no_dest_no_srca, | |
2852 | insn_tls_le_move_X1); | |
2853 | else | |
2854 | /* IE -> IE */ | |
2855 | tilepro_replace_insn (contents + rel->r_offset, | |
2856 | insn_mask_X1_no_dest_no_srca, | |
2857 | insn_tls_ie_lw_X1); | |
2858 | continue; | |
2859 | break; | |
2860 | default: | |
2861 | break; | |
2862 | } | |
2863 | ||
a3cd202a L |
2864 | resolved_to_zero = (h != NULL |
2865 | && UNDEFWEAK_NO_DYNAMIC_RELOC (info, h)); | |
2866 | ||
aa137e4d NC |
2867 | switch (r_type) |
2868 | { | |
07d6d2b8 AM |
2869 | case R_TILEPRO_IMM16_X0_GOT: |
2870 | case R_TILEPRO_IMM16_X1_GOT: | |
2871 | case R_TILEPRO_IMM16_X0_GOT_LO: | |
2872 | case R_TILEPRO_IMM16_X1_GOT_LO: | |
2873 | case R_TILEPRO_IMM16_X0_GOT_HI: | |
2874 | case R_TILEPRO_IMM16_X1_GOT_HI: | |
2875 | case R_TILEPRO_IMM16_X0_GOT_HA: | |
2876 | case R_TILEPRO_IMM16_X1_GOT_HA: | |
aa137e4d NC |
2877 | /* Relocation is to the entry for this symbol in the global |
2878 | offset table. */ | |
2879 | if (htab->elf.sgot == NULL) | |
2880 | abort (); | |
2881 | ||
2882 | if (h != NULL) | |
2883 | { | |
2884 | bfd_boolean dyn; | |
2885 | ||
2886 | off = h->got.offset; | |
2887 | BFD_ASSERT (off != (bfd_vma) -1); | |
2888 | dyn = elf_hash_table (info)->dynamic_sections_created; | |
2889 | ||
0e1862bb L |
2890 | if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, |
2891 | bfd_link_pic (info), | |
2892 | h) | |
2893 | || (bfd_link_pic (info) | |
aa137e4d NC |
2894 | && SYMBOL_REFERENCES_LOCAL (info, h))) |
2895 | { | |
2896 | /* This is actually a static link, or it is a | |
2897 | -Bsymbolic link and the symbol is defined | |
2898 | locally, or the symbol was forced to be local | |
2899 | because of a version file. We must initialize | |
2900 | this entry in the global offset table. Since the | |
2901 | offset must always be a multiple | |
2902 | of 4 for 32-bit, we use the least significant bit | |
2903 | to record whether we have initialized it already. | |
2904 | ||
2905 | When doing a dynamic link, we create a .rela.got | |
2906 | relocation entry to initialize the value. This | |
2907 | is done in the finish_dynamic_symbol routine. */ | |
2908 | if ((off & 1) != 0) | |
2909 | off &= ~1; | |
2910 | else | |
2911 | { | |
2912 | bfd_put_32 (output_bfd, relocation, | |
2913 | htab->elf.sgot->contents + off); | |
2914 | h->got.offset |= 1; | |
2915 | } | |
2916 | } | |
2917 | else | |
2918 | unresolved_reloc = FALSE; | |
2919 | } | |
2920 | else | |
2921 | { | |
2922 | BFD_ASSERT (local_got_offsets != NULL | |
2923 | && local_got_offsets[r_symndx] != (bfd_vma) -1); | |
2924 | ||
2925 | off = local_got_offsets[r_symndx]; | |
2926 | ||
2927 | /* The offset must always be a multiple of 4 on 32-bit. | |
07d6d2b8 | 2928 | We use the least significant bit to record |
aa137e4d NC |
2929 | whether we have already processed this entry. */ |
2930 | if ((off & 1) != 0) | |
2931 | off &= ~1; | |
2932 | else | |
2933 | { | |
0e1862bb | 2934 | if (bfd_link_pic (info)) |
aa137e4d NC |
2935 | { |
2936 | asection *s; | |
2937 | Elf_Internal_Rela outrel; | |
2938 | ||
2939 | /* We need to generate a R_TILEPRO_RELATIVE reloc | |
2940 | for the dynamic linker. */ | |
2941 | s = htab->elf.srelgot; | |
2942 | BFD_ASSERT (s != NULL); | |
2943 | ||
2944 | outrel.r_offset = (htab->elf.sgot->output_section->vma | |
2945 | + htab->elf.sgot->output_offset | |
2946 | + off); | |
2947 | outrel.r_info = ELF32_R_INFO (0, R_TILEPRO_RELATIVE); | |
2948 | outrel.r_addend = relocation; | |
2949 | relocation = 0; | |
2950 | tilepro_elf_append_rela_32 (output_bfd, s, &outrel); | |
2951 | } | |
2952 | ||
2953 | bfd_put_32 (output_bfd, relocation, | |
2954 | htab->elf.sgot->contents + off); | |
2955 | local_got_offsets[r_symndx] |= 1; | |
2956 | } | |
2957 | } | |
535127d2 | 2958 | relocation = off - got_base; |
aa137e4d NC |
2959 | break; |
2960 | ||
07d6d2b8 | 2961 | case R_TILEPRO_JOFFLONG_X1_PLT: |
aa137e4d NC |
2962 | /* Relocation is to the entry for this symbol in the |
2963 | procedure linkage table. */ | |
07d6d2b8 | 2964 | BFD_ASSERT (h != NULL); |
aa137e4d NC |
2965 | |
2966 | if (h->plt.offset == (bfd_vma) -1 || htab->elf.splt == NULL) | |
2967 | { | |
2968 | /* We didn't make a PLT entry for this symbol. This | |
2969 | happens when statically linking PIC code, or when | |
2970 | using -Bsymbolic. */ | |
2971 | break; | |
2972 | } | |
2973 | ||
2974 | relocation = (htab->elf.splt->output_section->vma | |
2975 | + htab->elf.splt->output_offset | |
2976 | + h->plt.offset); | |
2977 | unresolved_reloc = FALSE; | |
2978 | break; | |
2979 | ||
07d6d2b8 AM |
2980 | case R_TILEPRO_32_PCREL: |
2981 | case R_TILEPRO_16_PCREL: | |
2982 | case R_TILEPRO_8_PCREL: | |
2983 | case R_TILEPRO_IMM16_X0_PCREL: | |
2984 | case R_TILEPRO_IMM16_X1_PCREL: | |
2985 | case R_TILEPRO_IMM16_X0_LO_PCREL: | |
2986 | case R_TILEPRO_IMM16_X1_LO_PCREL: | |
2987 | case R_TILEPRO_IMM16_X0_HI_PCREL: | |
2988 | case R_TILEPRO_IMM16_X1_HI_PCREL: | |
2989 | case R_TILEPRO_IMM16_X0_HA_PCREL: | |
2990 | case R_TILEPRO_IMM16_X1_HA_PCREL: | |
aa137e4d NC |
2991 | if (h != NULL |
2992 | && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0) | |
2993 | break; | |
2994 | /* Fall through. */ | |
07d6d2b8 AM |
2995 | case R_TILEPRO_32: |
2996 | case R_TILEPRO_16: | |
2997 | case R_TILEPRO_8: | |
2998 | case R_TILEPRO_LO16: | |
2999 | case R_TILEPRO_HI16: | |
3000 | case R_TILEPRO_HA16: | |
3001 | case R_TILEPRO_COPY: | |
3002 | case R_TILEPRO_GLOB_DAT: | |
3003 | case R_TILEPRO_JMP_SLOT: | |
3004 | case R_TILEPRO_RELATIVE: | |
3005 | case R_TILEPRO_BROFF_X1: | |
3006 | case R_TILEPRO_JOFFLONG_X1: | |
3007 | case R_TILEPRO_IMM8_X0: | |
3008 | case R_TILEPRO_IMM8_Y0: | |
3009 | case R_TILEPRO_IMM8_X1: | |
3010 | case R_TILEPRO_IMM8_Y1: | |
3011 | case R_TILEPRO_DEST_IMM8_X1: | |
3012 | case R_TILEPRO_MT_IMM15_X1: | |
3013 | case R_TILEPRO_MF_IMM15_X1: | |
3014 | case R_TILEPRO_IMM16_X0: | |
3015 | case R_TILEPRO_IMM16_X1: | |
3016 | case R_TILEPRO_IMM16_X0_LO: | |
3017 | case R_TILEPRO_IMM16_X1_LO: | |
3018 | case R_TILEPRO_IMM16_X0_HI: | |
3019 | case R_TILEPRO_IMM16_X1_HI: | |
3020 | case R_TILEPRO_IMM16_X0_HA: | |
3021 | case R_TILEPRO_IMM16_X1_HA: | |
3022 | case R_TILEPRO_MMSTART_X0: | |
3023 | case R_TILEPRO_MMEND_X0: | |
3024 | case R_TILEPRO_MMSTART_X1: | |
3025 | case R_TILEPRO_MMEND_X1: | |
3026 | case R_TILEPRO_SHAMT_X0: | |
3027 | case R_TILEPRO_SHAMT_X1: | |
3028 | case R_TILEPRO_SHAMT_Y0: | |
3029 | case R_TILEPRO_SHAMT_Y1: | |
aa137e4d NC |
3030 | if ((input_section->flags & SEC_ALLOC) == 0) |
3031 | break; | |
3032 | ||
0e1862bb | 3033 | if ((bfd_link_pic (info) |
aa137e4d | 3034 | && (h == NULL |
a3cd202a L |
3035 | || (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT |
3036 | && !resolved_to_zero) | |
aa137e4d NC |
3037 | || h->root.type != bfd_link_hash_undefweak) |
3038 | && (! howto->pc_relative | |
3039 | || !SYMBOL_CALLS_LOCAL (info, h))) | |
0e1862bb | 3040 | || (!bfd_link_pic (info) |
aa137e4d NC |
3041 | && h != NULL |
3042 | && h->dynindx != -1 | |
3043 | && !h->non_got_ref | |
3044 | && ((h->def_dynamic | |
3045 | && !h->def_regular) | |
3046 | || h->root.type == bfd_link_hash_undefweak | |
3047 | || h->root.type == bfd_link_hash_undefined))) | |
3048 | { | |
3049 | Elf_Internal_Rela outrel; | |
3050 | bfd_boolean skip, relocate = FALSE; | |
3051 | ||
3052 | /* When generating a shared object, these relocations | |
3053 | are copied into the output file to be resolved at run | |
3054 | time. */ | |
3055 | ||
3056 | BFD_ASSERT (sreloc != NULL); | |
3057 | ||
3058 | skip = FALSE; | |
3059 | ||
3060 | outrel.r_offset = | |
3061 | _bfd_elf_section_offset (output_bfd, info, input_section, | |
3062 | rel->r_offset); | |
3063 | if (outrel.r_offset == (bfd_vma) -1) | |
3064 | skip = TRUE; | |
3065 | else if (outrel.r_offset == (bfd_vma) -2) | |
3066 | skip = TRUE, relocate = TRUE; | |
3067 | outrel.r_offset += (input_section->output_section->vma | |
3068 | + input_section->output_offset); | |
3069 | ||
3070 | switch (r_type) | |
3071 | { | |
07d6d2b8 AM |
3072 | case R_TILEPRO_32_PCREL: |
3073 | case R_TILEPRO_16_PCREL: | |
3074 | case R_TILEPRO_8_PCREL: | |
aa137e4d NC |
3075 | /* If the symbol is not dynamic, we should not keep |
3076 | a dynamic relocation. But an .rela.* slot has been | |
3077 | allocated for it, output R_TILEPRO_NONE. | |
3078 | FIXME: Add code tracking needed dynamic relocs as | |
3079 | e.g. i386 has. */ | |
3080 | if (h->dynindx == -1) | |
3081 | skip = TRUE, relocate = TRUE; | |
3082 | break; | |
3083 | } | |
3084 | ||
3085 | if (skip) | |
3086 | memset (&outrel, 0, sizeof outrel); | |
3087 | /* h->dynindx may be -1 if the symbol was marked to | |
3088 | become local. */ | |
3089 | else if (h != NULL && | |
3090 | h->dynindx != -1 | |
3091 | && (! is_plt | |
0e1862bb | 3092 | || !bfd_link_pic (info) |
aa137e4d NC |
3093 | || !SYMBOLIC_BIND (info, h) |
3094 | || !h->def_regular)) | |
3095 | { | |
3096 | BFD_ASSERT (h->dynindx != -1); | |
3097 | outrel.r_info = ELF32_R_INFO (h->dynindx, r_type); | |
3098 | outrel.r_addend = rel->r_addend; | |
3099 | } | |
3100 | else | |
3101 | { | |
3102 | if (r_type == R_TILEPRO_32) | |
3103 | { | |
3104 | outrel.r_info = ELF32_R_INFO (0, R_TILEPRO_RELATIVE); | |
3105 | outrel.r_addend = relocation + rel->r_addend; | |
3106 | } | |
3107 | else | |
3108 | { | |
3109 | long indx; | |
3110 | ||
3111 | outrel.r_addend = relocation + rel->r_addend; | |
3112 | ||
3113 | if (is_plt) | |
3114 | sec = htab->elf.splt; | |
3115 | ||
3116 | if (bfd_is_abs_section (sec)) | |
3117 | indx = 0; | |
3118 | else if (sec == NULL || sec->owner == NULL) | |
3119 | { | |
3120 | bfd_set_error (bfd_error_bad_value); | |
3121 | return FALSE; | |
3122 | } | |
3123 | else | |
3124 | { | |
3125 | asection *osec; | |
3126 | ||
3127 | /* We are turning this relocation into one | |
3128 | against a section symbol. It would be | |
3129 | proper to subtract the symbol's value, | |
3130 | osec->vma, from the emitted reloc addend, | |
3131 | but ld.so expects buggy relocs. */ | |
3132 | osec = sec->output_section; | |
3133 | indx = elf_section_data (osec)->dynindx; | |
3134 | ||
3135 | if (indx == 0) | |
3136 | { | |
3137 | osec = htab->elf.text_index_section; | |
3138 | indx = elf_section_data (osec)->dynindx; | |
3139 | } | |
3140 | ||
3141 | /* FIXME: we really should be able to link non-pic | |
3142 | shared libraries. */ | |
3143 | if (indx == 0) | |
3144 | { | |
3145 | BFD_FAIL (); | |
4eca0228 | 3146 | _bfd_error_handler |
aa137e4d NC |
3147 | (_("%B: probably compiled without -fPIC?"), |
3148 | input_bfd); | |
3149 | bfd_set_error (bfd_error_bad_value); | |
3150 | return FALSE; | |
3151 | } | |
3152 | } | |
3153 | ||
3154 | outrel.r_info = ELF32_R_INFO (indx, r_type); | |
3155 | } | |
3156 | } | |
3157 | ||
3158 | tilepro_elf_append_rela_32 (output_bfd, sreloc, &outrel); | |
3159 | ||
3160 | /* This reloc will be computed at runtime, so there's no | |
3161 | need to do anything now. */ | |
3162 | if (! relocate) | |
3163 | continue; | |
3164 | } | |
3165 | break; | |
3166 | ||
07d6d2b8 AM |
3167 | case R_TILEPRO_IMM16_X0_TLS_LE: |
3168 | case R_TILEPRO_IMM16_X1_TLS_LE: | |
3169 | case R_TILEPRO_IMM16_X0_TLS_LE_LO: | |
3170 | case R_TILEPRO_IMM16_X1_TLS_LE_LO: | |
3171 | case R_TILEPRO_IMM16_X0_TLS_LE_HI: | |
3172 | case R_TILEPRO_IMM16_X1_TLS_LE_HI: | |
3173 | case R_TILEPRO_IMM16_X0_TLS_LE_HA: | |
3174 | case R_TILEPRO_IMM16_X1_TLS_LE_HA: | |
1ba1f393 | 3175 | if (!bfd_link_executable (info)) |
6f7be959 WL |
3176 | { |
3177 | Elf_Internal_Rela outrel; | |
3178 | bfd_boolean skip; | |
3179 | ||
3180 | BFD_ASSERT (sreloc != NULL); | |
3181 | skip = FALSE; | |
3182 | outrel.r_offset = | |
3183 | _bfd_elf_section_offset (output_bfd, info, input_section, | |
3184 | rel->r_offset); | |
3185 | if (outrel.r_offset == (bfd_vma) -1) | |
3186 | skip = TRUE; | |
3187 | else if (outrel.r_offset == (bfd_vma) -2) | |
3188 | skip = TRUE; | |
3189 | outrel.r_offset += (input_section->output_section->vma | |
3190 | + input_section->output_offset); | |
3191 | if (skip) | |
3192 | memset (&outrel, 0, sizeof outrel); | |
3193 | else | |
3194 | { | |
3195 | outrel.r_info = ELF32_R_INFO (0, r_type); | |
3196 | outrel.r_addend = relocation - dtpoff_base (info) | |
3197 | + rel->r_addend; | |
3198 | } | |
3199 | ||
3200 | tilepro_elf_append_rela_32 (output_bfd, sreloc, &outrel); | |
3201 | continue; | |
3202 | } | |
3203 | relocation = tpoff (info, relocation); | |
3204 | break; | |
3205 | ||
07d6d2b8 AM |
3206 | case R_TILEPRO_IMM16_X0_TLS_GD: |
3207 | case R_TILEPRO_IMM16_X1_TLS_GD: | |
3208 | case R_TILEPRO_IMM16_X0_TLS_GD_LO: | |
3209 | case R_TILEPRO_IMM16_X1_TLS_GD_LO: | |
3210 | case R_TILEPRO_IMM16_X0_TLS_GD_HI: | |
3211 | case R_TILEPRO_IMM16_X1_TLS_GD_HI: | |
3212 | case R_TILEPRO_IMM16_X0_TLS_GD_HA: | |
3213 | case R_TILEPRO_IMM16_X1_TLS_GD_HA: | |
3214 | case R_TILEPRO_IMM16_X0_TLS_IE: | |
3215 | case R_TILEPRO_IMM16_X1_TLS_IE: | |
3216 | case R_TILEPRO_IMM16_X0_TLS_IE_LO: | |
3217 | case R_TILEPRO_IMM16_X1_TLS_IE_LO: | |
3218 | case R_TILEPRO_IMM16_X0_TLS_IE_HI: | |
3219 | case R_TILEPRO_IMM16_X1_TLS_IE_HI: | |
3220 | case R_TILEPRO_IMM16_X0_TLS_IE_HA: | |
3221 | case R_TILEPRO_IMM16_X1_TLS_IE_HA: | |
6f7be959 | 3222 | r_type = tilepro_elf_tls_transition (info, r_type, h == NULL); |
07d6d2b8 | 3223 | tls_type = GOT_UNKNOWN; |
aa137e4d NC |
3224 | if (h == NULL && local_got_offsets) |
3225 | tls_type | |
3226 | = _bfd_tilepro_elf_local_got_tls_type (input_bfd) [r_symndx]; | |
3227 | else if (h != NULL) | |
3228 | { | |
3229 | tls_type = tilepro_elf_hash_entry(h)->tls_type; | |
1ba1f393 L |
3230 | if (bfd_link_executable (info) |
3231 | && h->dynindx == -1 | |
3232 | && tls_type == GOT_TLS_IE) | |
6f7be959 | 3233 | r_type = tilepro_tls_translate_to_le (r_type); |
aa137e4d NC |
3234 | } |
3235 | if (tls_type == GOT_TLS_IE) | |
6f7be959 WL |
3236 | r_type = tilepro_tls_translate_to_ie (r_type); |
3237 | ||
3238 | if (r_type == R_TILEPRO_IMM16_X0_TLS_LE | |
3239 | || r_type == R_TILEPRO_IMM16_X1_TLS_LE | |
3240 | || r_type == R_TILEPRO_IMM16_X0_TLS_LE_LO | |
3241 | || r_type == R_TILEPRO_IMM16_X1_TLS_LE_LO | |
3242 | || r_type == R_TILEPRO_IMM16_X0_TLS_LE_HI | |
3243 | || r_type == R_TILEPRO_IMM16_X1_TLS_LE_HI | |
3244 | || r_type == R_TILEPRO_IMM16_X0_TLS_LE_HA | |
3245 | || r_type == R_TILEPRO_IMM16_X1_TLS_LE_HA) | |
3246 | { | |
3247 | relocation = tpoff (info, relocation); | |
3248 | break; | |
3249 | } | |
aa137e4d NC |
3250 | |
3251 | if (h != NULL) | |
3252 | { | |
3253 | off = h->got.offset; | |
3254 | h->got.offset |= 1; | |
3255 | } | |
3256 | else | |
3257 | { | |
3258 | BFD_ASSERT (local_got_offsets != NULL); | |
3259 | off = local_got_offsets[r_symndx]; | |
3260 | local_got_offsets[r_symndx] |= 1; | |
3261 | } | |
3262 | ||
3263 | if (htab->elf.sgot == NULL) | |
3264 | abort (); | |
3265 | ||
3266 | if ((off & 1) != 0) | |
3267 | off &= ~1; | |
3268 | else | |
3269 | { | |
3270 | Elf_Internal_Rela outrel; | |
3271 | int indx = 0; | |
3272 | bfd_boolean need_relocs = FALSE; | |
3273 | ||
3274 | if (htab->elf.srelgot == NULL) | |
3275 | abort (); | |
3276 | ||
3277 | if (h != NULL) | |
3278 | { | |
07d6d2b8 AM |
3279 | bfd_boolean dyn; |
3280 | dyn = htab->elf.dynamic_sections_created; | |
aa137e4d | 3281 | |
0e1862bb L |
3282 | if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, |
3283 | bfd_link_pic (info), | |
3284 | h) | |
3285 | && (!bfd_link_pic (info) | |
aa137e4d NC |
3286 | || !SYMBOL_REFERENCES_LOCAL (info, h))) |
3287 | { | |
3288 | indx = h->dynindx; | |
3289 | } | |
3290 | } | |
3291 | ||
3292 | /* The GOT entries have not been initialized yet. Do it | |
07d6d2b8 | 3293 | now, and emit any relocations. */ |
0e1862bb | 3294 | if ((bfd_link_pic (info) || indx != 0) |
aa137e4d NC |
3295 | && (h == NULL |
3296 | || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT | |
3297 | || h->root.type != bfd_link_hash_undefweak)) | |
3298 | need_relocs = TRUE; | |
3299 | ||
07d6d2b8 AM |
3300 | switch (r_type) |
3301 | { | |
3302 | case R_TILEPRO_IMM16_X0_TLS_IE: | |
3303 | case R_TILEPRO_IMM16_X1_TLS_IE: | |
3304 | case R_TILEPRO_IMM16_X0_TLS_IE_LO: | |
3305 | case R_TILEPRO_IMM16_X1_TLS_IE_LO: | |
3306 | case R_TILEPRO_IMM16_X0_TLS_IE_HI: | |
3307 | case R_TILEPRO_IMM16_X1_TLS_IE_HI: | |
3308 | case R_TILEPRO_IMM16_X0_TLS_IE_HA: | |
3309 | case R_TILEPRO_IMM16_X1_TLS_IE_HA: | |
aa137e4d | 3310 | if (need_relocs) { |
07d6d2b8 AM |
3311 | bfd_put_32 (output_bfd, 0, htab->elf.sgot->contents + off); |
3312 | outrel.r_offset = (htab->elf.sgot->output_section->vma | |
aa137e4d | 3313 | + htab->elf.sgot->output_offset + off); |
07d6d2b8 | 3314 | outrel.r_addend = 0; |
aa137e4d | 3315 | if (indx == 0) |
07d6d2b8 | 3316 | outrel.r_addend = relocation - dtpoff_base (info); |
aa137e4d NC |
3317 | outrel.r_info = ELF32_R_INFO (indx, R_TILEPRO_TLS_TPOFF32); |
3318 | tilepro_elf_append_rela_32 (output_bfd, htab->elf.srelgot, | |
3319 | &outrel); | |
07d6d2b8 | 3320 | } else { |
aa137e4d NC |
3321 | bfd_put_32 (output_bfd, tpoff (info, relocation), |
3322 | htab->elf.sgot->contents + off); | |
07d6d2b8 AM |
3323 | } |
3324 | break; | |
aa137e4d NC |
3325 | |
3326 | case R_TILEPRO_IMM16_X0_TLS_GD: | |
3327 | case R_TILEPRO_IMM16_X1_TLS_GD: | |
3328 | case R_TILEPRO_IMM16_X0_TLS_GD_LO: | |
3329 | case R_TILEPRO_IMM16_X1_TLS_GD_LO: | |
3330 | case R_TILEPRO_IMM16_X0_TLS_GD_HI: | |
3331 | case R_TILEPRO_IMM16_X1_TLS_GD_HI: | |
3332 | case R_TILEPRO_IMM16_X0_TLS_GD_HA: | |
3333 | case R_TILEPRO_IMM16_X1_TLS_GD_HA: | |
3334 | if (need_relocs) { | |
07d6d2b8 | 3335 | outrel.r_offset = (htab->elf.sgot->output_section->vma |
aa137e4d | 3336 | + htab->elf.sgot->output_offset + off); |
07d6d2b8 AM |
3337 | outrel.r_addend = 0; |
3338 | outrel.r_info = ELF32_R_INFO (indx, R_TILEPRO_TLS_DTPMOD32); | |
3339 | bfd_put_32 (output_bfd, 0, htab->elf.sgot->contents + off); | |
3340 | tilepro_elf_append_rela_32 (output_bfd, htab->elf.srelgot, | |
aa137e4d NC |
3341 | &outrel); |
3342 | if (indx == 0) | |
07d6d2b8 AM |
3343 | { |
3344 | BFD_ASSERT (! unresolved_reloc); | |
3345 | bfd_put_32 (output_bfd, | |
aa137e4d NC |
3346 | relocation - dtpoff_base (info), |
3347 | (htab->elf.sgot->contents + off + | |
3348 | TILEPRO_BYTES_PER_WORD)); | |
07d6d2b8 | 3349 | } |
aa137e4d | 3350 | else |
07d6d2b8 AM |
3351 | { |
3352 | bfd_put_32 (output_bfd, 0, | |
aa137e4d NC |
3353 | (htab->elf.sgot->contents + off + |
3354 | TILEPRO_BYTES_PER_WORD)); | |
07d6d2b8 | 3355 | outrel.r_info = ELF32_R_INFO (indx, |
aa137e4d NC |
3356 | R_TILEPRO_TLS_DTPOFF32); |
3357 | outrel.r_offset += TILEPRO_BYTES_PER_WORD; | |
07d6d2b8 | 3358 | tilepro_elf_append_rela_32 (output_bfd, |
aa137e4d | 3359 | htab->elf.srelgot, &outrel); |
07d6d2b8 AM |
3360 | } |
3361 | } | |
aa137e4d NC |
3362 | |
3363 | else { | |
3364 | /* If we are not emitting relocations for a | |
07d6d2b8 AM |
3365 | general dynamic reference, then we must be in a |
3366 | static link or an executable link with the | |
3367 | symbol binding locally. Mark it as belonging | |
3368 | to module 1, the executable. */ | |
aa137e4d NC |
3369 | bfd_put_32 (output_bfd, 1, |
3370 | htab->elf.sgot->contents + off ); | |
3371 | bfd_put_32 (output_bfd, relocation - dtpoff_base (info), | |
3372 | htab->elf.sgot->contents + off + | |
3373 | TILEPRO_BYTES_PER_WORD); | |
3374 | } | |
07d6d2b8 AM |
3375 | break; |
3376 | } | |
aa137e4d NC |
3377 | } |
3378 | ||
3379 | if (off >= (bfd_vma) -2) | |
3380 | abort (); | |
3381 | ||
535127d2 | 3382 | relocation = off - got_base; |
aa137e4d NC |
3383 | unresolved_reloc = FALSE; |
3384 | howto = tilepro_elf_howto_table + r_type; | |
3385 | break; | |
3386 | ||
3387 | default: | |
3388 | break; | |
3389 | } | |
3390 | ||
3391 | /* Dynamic relocs are not propagated for SEC_DEBUGGING sections | |
3392 | because such sections are not SEC_ALLOC and thus ld.so will | |
3393 | not process them. */ | |
3394 | if (unresolved_reloc | |
3395 | && !((input_section->flags & SEC_DEBUGGING) != 0 | |
1d5316ab AM |
3396 | && h->def_dynamic) |
3397 | && _bfd_elf_section_offset (output_bfd, info, input_section, | |
3398 | rel->r_offset) != (bfd_vma) -1) | |
4eca0228 | 3399 | _bfd_error_handler |
695344c0 | 3400 | /* xgettext:c-format */ |
d42c267e | 3401 | (_("%B(%A+%#Lx): unresolvable %s relocation against symbol `%s'"), |
aa137e4d NC |
3402 | input_bfd, |
3403 | input_section, | |
d42c267e | 3404 | rel->r_offset, |
aa137e4d NC |
3405 | howto->name, |
3406 | h->root.root.string); | |
3407 | ||
3408 | r = bfd_reloc_continue; | |
3409 | ||
3410 | /* For the _HA types, we add 0x8000 so that if bit 15 is set, | |
3411 | * we will increment bit 16. The howto->rightshift takes care | |
3412 | * of the rest for us. */ | |
3413 | switch (r_type) | |
3414 | { | |
3415 | case R_TILEPRO_HA16: | |
3416 | case R_TILEPRO_IMM16_X0_HA: | |
3417 | case R_TILEPRO_IMM16_X1_HA: | |
3418 | case R_TILEPRO_IMM16_X0_HA_PCREL: | |
3419 | case R_TILEPRO_IMM16_X1_HA_PCREL: | |
3420 | case R_TILEPRO_IMM16_X0_GOT_HA: | |
3421 | case R_TILEPRO_IMM16_X1_GOT_HA: | |
3422 | case R_TILEPRO_IMM16_X0_TLS_GD_HA: | |
3423 | case R_TILEPRO_IMM16_X1_TLS_GD_HA: | |
3424 | case R_TILEPRO_IMM16_X0_TLS_IE_HA: | |
3425 | case R_TILEPRO_IMM16_X1_TLS_IE_HA: | |
07d6d2b8 AM |
3426 | relocation += 0x8000; |
3427 | break; | |
aa137e4d NC |
3428 | } |
3429 | ||
3430 | /* Get the operand creation function, if any. */ | |
3431 | create_func = reloc_to_create_func[r_type]; | |
3432 | if (create_func == NULL) | |
3433 | { | |
07d6d2b8 AM |
3434 | r = _bfd_final_link_relocate (howto, input_bfd, input_section, |
3435 | contents, rel->r_offset, | |
3436 | relocation, rel->r_addend); | |
aa137e4d NC |
3437 | } |
3438 | else | |
3439 | { | |
07d6d2b8 AM |
3440 | if (howto->pc_relative) |
3441 | { | |
3442 | relocation -= | |
3443 | input_section->output_section->vma + input_section->output_offset; | |
3444 | if (howto->pcrel_offset) | |
3445 | relocation -= rel->r_offset; | |
3446 | } | |
3447 | ||
3448 | bfd_byte *data; | |
3449 | ||
3450 | /* Add the relocation addend if any to the final target value */ | |
3451 | relocation += rel->r_addend; | |
3452 | ||
3453 | /* Do basic range checking */ | |
3454 | r = bfd_check_overflow (howto->complain_on_overflow, | |
3455 | howto->bitsize, | |
3456 | howto->rightshift, | |
3457 | 32, | |
3458 | relocation); | |
3459 | ||
3460 | /* | |
3461 | * Write the relocated value out into the raw section data. | |
3462 | * Don't put a relocation out in the .rela section. | |
3463 | */ | |
3464 | tilepro_bundle_bits mask = create_func(-1); | |
3465 | tilepro_bundle_bits value = create_func(relocation >> howto->rightshift); | |
3466 | ||
3467 | /* Only touch bytes while the mask is not 0, so we | |
3468 | don't write to out of bounds memory if this is actually | |
3469 | a 16-bit switch instruction. */ | |
3470 | for (data = contents + rel->r_offset; mask != 0; data++) | |
3471 | { | |
3472 | bfd_byte byte_mask = (bfd_byte)mask; | |
3473 | *data = (*data & ~byte_mask) | ((bfd_byte)value & byte_mask); | |
3474 | mask >>= 8; | |
3475 | value >>= 8; | |
3476 | } | |
aa137e4d NC |
3477 | } |
3478 | ||
3479 | if (r != bfd_reloc_ok) | |
3480 | { | |
3481 | const char *msg = NULL; | |
3482 | ||
3483 | switch (r) | |
3484 | { | |
3485 | case bfd_reloc_overflow: | |
1a72702b | 3486 | (*info->callbacks->reloc_overflow) |
aa137e4d NC |
3487 | (info, (h ? &h->root : NULL), name, howto->name, |
3488 | (bfd_vma) 0, input_bfd, input_section, rel->r_offset); | |
3489 | break; | |
3490 | ||
3491 | case bfd_reloc_undefined: | |
1a72702b AM |
3492 | (*info->callbacks->undefined_symbol) |
3493 | (info, name, input_bfd, input_section, rel->r_offset, TRUE); | |
aa137e4d NC |
3494 | break; |
3495 | ||
3496 | case bfd_reloc_outofrange: | |
3497 | msg = _("internal error: out of range error"); | |
3498 | break; | |
3499 | ||
3500 | case bfd_reloc_notsupported: | |
3501 | msg = _("internal error: unsupported relocation error"); | |
3502 | break; | |
3503 | ||
3504 | case bfd_reloc_dangerous: | |
3505 | msg = _("internal error: dangerous relocation"); | |
3506 | break; | |
3507 | ||
3508 | default: | |
3509 | msg = _("internal error: unknown error"); | |
3510 | break; | |
3511 | } | |
3512 | ||
3513 | if (msg) | |
1a72702b AM |
3514 | (*info->callbacks->warning) (info, msg, name, input_bfd, |
3515 | input_section, rel->r_offset); | |
aa137e4d NC |
3516 | } |
3517 | } | |
3518 | ||
3519 | return TRUE; | |
3520 | } | |
3521 | ||
3522 | /* Finish up dynamic symbol handling. We set the contents of various | |
3523 | dynamic sections here. */ | |
3524 | ||
3525 | static bfd_boolean | |
3526 | tilepro_elf_finish_dynamic_symbol (bfd *output_bfd, | |
3527 | struct bfd_link_info *info, | |
3528 | struct elf_link_hash_entry *h, | |
3529 | Elf_Internal_Sym *sym) | |
3530 | { | |
3531 | struct tilepro_elf_link_hash_table *htab; | |
3532 | ||
3533 | htab = tilepro_elf_hash_table (info); | |
3534 | BFD_ASSERT (htab != NULL); | |
3535 | ||
3536 | if (h->plt.offset != (bfd_vma) -1) | |
3537 | { | |
3538 | asection *splt; | |
3539 | asection *srela; | |
3540 | asection *sgotplt; | |
3541 | Elf_Internal_Rela rela; | |
3542 | bfd_byte *loc; | |
3543 | bfd_vma r_offset; | |
3544 | ||
3545 | int rela_index; | |
3546 | ||
3547 | /* This symbol has an entry in the PLT. Set it up. */ | |
3548 | ||
3549 | BFD_ASSERT (h->dynindx != -1); | |
3550 | ||
3551 | splt = htab->elf.splt; | |
3552 | srela = htab->elf.srelplt; | |
3553 | sgotplt = htab->elf.sgotplt; | |
3554 | ||
3555 | if (splt == NULL || srela == NULL) | |
3556 | abort (); | |
3557 | ||
3558 | /* Fill in the entry in the procedure linkage table. */ | |
3559 | rela_index = tilepro_plt_entry_build (splt, sgotplt, h->plt.offset, | |
3560 | &r_offset); | |
3561 | ||
3562 | /* Fill in the entry in the global offset table, which initially points | |
3563 | to the beginning of the plt. */ | |
3564 | bfd_put_32 (output_bfd, splt->output_section->vma + splt->output_offset, | |
3565 | sgotplt->contents + r_offset); | |
3566 | ||
3567 | /* Fill in the entry in the .rela.plt section. */ | |
3568 | rela.r_offset = (sgotplt->output_section->vma | |
3569 | + sgotplt->output_offset | |
3570 | + r_offset); | |
3571 | rela.r_addend = 0; | |
3572 | rela.r_info = ELF32_R_INFO (h->dynindx, R_TILEPRO_JMP_SLOT); | |
3573 | ||
3574 | loc = srela->contents + rela_index * sizeof (Elf32_External_Rela); | |
3575 | bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); | |
3576 | ||
3577 | if (!h->def_regular) | |
3578 | { | |
3579 | /* Mark the symbol as undefined, rather than as defined in | |
3580 | the .plt section. Leave the value alone. */ | |
3581 | sym->st_shndx = SHN_UNDEF; | |
3582 | /* If the symbol is weak, we do need to clear the value. | |
3583 | Otherwise, the PLT entry would provide a definition for | |
3584 | the symbol even if the symbol wasn't defined anywhere, | |
3585 | and so the symbol would never be NULL. */ | |
3586 | if (!h->ref_regular_nonweak) | |
3587 | sym->st_value = 0; | |
3588 | } | |
3589 | } | |
3590 | ||
3591 | if (h->got.offset != (bfd_vma) -1 | |
3592 | && tilepro_elf_hash_entry(h)->tls_type != GOT_TLS_GD | |
3593 | && tilepro_elf_hash_entry(h)->tls_type != GOT_TLS_IE) | |
3594 | { | |
3595 | asection *sgot; | |
3596 | asection *srela; | |
3597 | Elf_Internal_Rela rela; | |
3598 | ||
3599 | /* This symbol has an entry in the GOT. Set it up. */ | |
3600 | ||
3601 | sgot = htab->elf.sgot; | |
3602 | srela = htab->elf.srelgot; | |
3603 | BFD_ASSERT (sgot != NULL && srela != NULL); | |
3604 | ||
3605 | rela.r_offset = (sgot->output_section->vma | |
3606 | + sgot->output_offset | |
3607 | + (h->got.offset &~ (bfd_vma) 1)); | |
3608 | ||
3609 | /* If this is a -Bsymbolic link, and the symbol is defined | |
3610 | locally, we just want to emit a RELATIVE reloc. Likewise if | |
3611 | the symbol was forced to be local because of a version file. | |
3612 | The entry in the global offset table will already have been | |
3613 | initialized in the relocate_section function. */ | |
0e1862bb | 3614 | if (bfd_link_pic (info) |
aa137e4d NC |
3615 | && (info->symbolic || h->dynindx == -1) |
3616 | && h->def_regular) | |
3617 | { | |
3618 | asection *sec = h->root.u.def.section; | |
3619 | rela.r_info = ELF32_R_INFO (0, R_TILEPRO_RELATIVE); | |
3620 | rela.r_addend = (h->root.u.def.value | |
3621 | + sec->output_section->vma | |
3622 | + sec->output_offset); | |
3623 | } | |
3624 | else | |
3625 | { | |
3626 | rela.r_info = ELF32_R_INFO (h->dynindx, R_TILEPRO_GLOB_DAT); | |
3627 | rela.r_addend = 0; | |
3628 | } | |
3629 | ||
3630 | bfd_put_32 (output_bfd, 0, | |
3631 | sgot->contents + (h->got.offset & ~(bfd_vma) 1)); | |
3632 | tilepro_elf_append_rela_32 (output_bfd, srela, &rela); | |
3633 | } | |
3634 | ||
3635 | if (h->needs_copy) | |
3636 | { | |
3637 | asection *s; | |
3638 | Elf_Internal_Rela rela; | |
3639 | ||
3640 | /* This symbols needs a copy reloc. Set it up. */ | |
3641 | BFD_ASSERT (h->dynindx != -1); | |
3642 | ||
aa137e4d NC |
3643 | rela.r_offset = (h->root.u.def.value |
3644 | + h->root.u.def.section->output_section->vma | |
3645 | + h->root.u.def.section->output_offset); | |
3646 | rela.r_info = ELF32_R_INFO (h->dynindx, R_TILEPRO_COPY); | |
3647 | rela.r_addend = 0; | |
afbf7e8e | 3648 | if (h->root.u.def.section == htab->elf.sdynrelro) |
5474d94f AM |
3649 | s = htab->elf.sreldynrelro; |
3650 | else | |
3651 | s = htab->elf.srelbss; | |
aa137e4d NC |
3652 | tilepro_elf_append_rela_32 (output_bfd, s, &rela); |
3653 | } | |
3654 | ||
3655 | /* Mark some specially defined symbols as absolute. */ | |
9637f6ef | 3656 | if (h == htab->elf.hdynamic |
aa137e4d NC |
3657 | || (h == htab->elf.hgot || h == htab->elf.hplt)) |
3658 | sym->st_shndx = SHN_ABS; | |
3659 | ||
3660 | return TRUE; | |
3661 | } | |
3662 | ||
3663 | /* Finish up the dynamic sections. */ | |
3664 | ||
3665 | static bfd_boolean | |
3666 | tilepro_finish_dyn (bfd *output_bfd, struct bfd_link_info *info, | |
3667 | bfd *dynobj, asection *sdyn, | |
3668 | asection *splt ATTRIBUTE_UNUSED) | |
3669 | { | |
3670 | Elf32_External_Dyn *dyncon, *dynconend; | |
3671 | struct tilepro_elf_link_hash_table *htab; | |
3672 | ||
3673 | htab = tilepro_elf_hash_table (info); | |
3674 | BFD_ASSERT (htab != NULL); | |
3675 | dyncon = (Elf32_External_Dyn *) sdyn->contents; | |
3676 | dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size); | |
3677 | for (; dyncon < dynconend; dyncon++) | |
3678 | { | |
3679 | Elf_Internal_Dyn dyn; | |
3680 | asection *s; | |
3681 | ||
3682 | bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn); | |
3683 | ||
3684 | switch (dyn.d_tag) | |
3685 | { | |
3686 | case DT_PLTGOT: | |
3687 | s = htab->elf.sgotplt; | |
3688 | dyn.d_un.d_ptr = s->output_section->vma + s->output_offset; | |
3689 | break; | |
3690 | case DT_JMPREL: | |
3691 | s = htab->elf.srelplt; | |
3692 | dyn.d_un.d_ptr = s->output_section->vma + s->output_offset; | |
3693 | break; | |
3694 | case DT_PLTRELSZ: | |
3695 | s = htab->elf.srelplt; | |
3696 | dyn.d_un.d_val = s->size; | |
3697 | break; | |
3698 | default: | |
3699 | continue; | |
3700 | } | |
3701 | ||
3702 | bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon); | |
3703 | } | |
3704 | return TRUE; | |
3705 | } | |
3706 | ||
3707 | static bfd_boolean | |
3708 | tilepro_elf_finish_dynamic_sections (bfd *output_bfd, | |
07d6d2b8 | 3709 | struct bfd_link_info *info) |
aa137e4d NC |
3710 | { |
3711 | bfd *dynobj; | |
3712 | asection *sdyn; | |
3713 | struct tilepro_elf_link_hash_table *htab; | |
3714 | ||
3715 | htab = tilepro_elf_hash_table (info); | |
3716 | BFD_ASSERT (htab != NULL); | |
3717 | dynobj = htab->elf.dynobj; | |
3718 | ||
3d4d4302 | 3719 | sdyn = bfd_get_linker_section (dynobj, ".dynamic"); |
aa137e4d NC |
3720 | |
3721 | if (elf_hash_table (info)->dynamic_sections_created) | |
3722 | { | |
3723 | asection *splt; | |
3724 | bfd_boolean ret; | |
3725 | ||
3d4d4302 | 3726 | splt = htab->elf.splt; |
aa137e4d NC |
3727 | BFD_ASSERT (splt != NULL && sdyn != NULL); |
3728 | ||
3729 | ret = tilepro_finish_dyn (output_bfd, info, dynobj, sdyn, splt); | |
3730 | ||
535b785f | 3731 | if (!ret) |
aa137e4d NC |
3732 | return ret; |
3733 | ||
3734 | /* Fill in the first entry in the procedure linkage table. */ | |
3735 | if (splt->size > 0) | |
663b5850 WL |
3736 | { |
3737 | memcpy (splt->contents, tilepro_plt0_entry, PLT_HEADER_SIZE); | |
3738 | memset (splt->contents + PLT_HEADER_SIZE, 0, | |
3739 | PLT_ENTRY_SIZE - PLT_HEADER_SIZE); | |
3740 | } | |
aa137e4d | 3741 | |
387f8054 MR |
3742 | if (elf_section_data (splt->output_section) != NULL) |
3743 | elf_section_data (splt->output_section)->this_hdr.sh_entsize | |
3744 | = PLT_ENTRY_SIZE; | |
aa137e4d NC |
3745 | } |
3746 | ||
3747 | if (htab->elf.sgotplt) | |
3748 | { | |
3749 | if (bfd_is_abs_section (htab->elf.sgotplt->output_section)) | |
3750 | { | |
4eca0228 | 3751 | _bfd_error_handler |
aa137e4d NC |
3752 | (_("discarded output section: `%A'"), htab->elf.sgotplt); |
3753 | return FALSE; | |
3754 | } | |
3755 | ||
3756 | if (htab->elf.sgotplt->size > 0) | |
3757 | { | |
3758 | /* Write the first two entries in .got.plt, needed for the dynamic | |
3759 | linker. */ | |
3760 | bfd_put_32 (output_bfd, (bfd_vma) -1, | |
3761 | htab->elf.sgotplt->contents); | |
3762 | bfd_put_32 (output_bfd, (bfd_vma) 0, | |
3763 | htab->elf.sgotplt->contents + GOT_ENTRY_SIZE); | |
3764 | } | |
3765 | ||
3766 | elf_section_data (htab->elf.sgotplt->output_section)->this_hdr.sh_entsize | |
3767 | = GOT_ENTRY_SIZE; | |
3768 | } | |
3769 | ||
3770 | if (htab->elf.sgot) | |
3771 | { | |
3772 | if (htab->elf.sgot->size > 0) | |
3773 | { | |
3774 | /* Set the first entry in the global offset table to the address of | |
3775 | the dynamic section. */ | |
3776 | bfd_vma val = (sdyn ? | |
3777 | sdyn->output_section->vma + sdyn->output_offset : | |
3778 | 0); | |
3779 | bfd_put_32 (output_bfd, val, htab->elf.sgot->contents); | |
3780 | } | |
3781 | ||
3782 | elf_section_data (htab->elf.sgot->output_section)->this_hdr.sh_entsize | |
3783 | = GOT_ENTRY_SIZE; | |
3784 | } | |
3785 | ||
3786 | return TRUE; | |
3787 | } | |
3788 | ||
3789 | \f | |
3790 | ||
3791 | /* Return address for Ith PLT stub in section PLT, for relocation REL | |
3792 | or (bfd_vma) -1 if it should not be included. */ | |
3793 | ||
3794 | static bfd_vma | |
3795 | tilepro_elf_plt_sym_val (bfd_vma i, const asection *plt, | |
07d6d2b8 | 3796 | const arelent *rel ATTRIBUTE_UNUSED) |
aa137e4d | 3797 | { |
663b5850 | 3798 | return plt->vma + (i + 1) * PLT_ENTRY_SIZE; |
aa137e4d NC |
3799 | } |
3800 | ||
3801 | static enum elf_reloc_type_class | |
7e612e98 AM |
3802 | tilepro_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED, |
3803 | const asection *rel_sec ATTRIBUTE_UNUSED, | |
3804 | const Elf_Internal_Rela *rela) | |
aa137e4d NC |
3805 | { |
3806 | switch ((int) ELF32_R_TYPE (rela->r_info)) | |
3807 | { | |
3808 | case R_TILEPRO_RELATIVE: | |
3809 | return reloc_class_relative; | |
3810 | case R_TILEPRO_JMP_SLOT: | |
3811 | return reloc_class_plt; | |
3812 | case R_TILEPRO_COPY: | |
3813 | return reloc_class_copy; | |
3814 | default: | |
3815 | return reloc_class_normal; | |
3816 | } | |
3817 | } | |
3818 | ||
3819 | static int | |
3820 | tilepro_additional_program_headers (bfd *abfd, | |
07d6d2b8 | 3821 | struct bfd_link_info *info ATTRIBUTE_UNUSED) |
aa137e4d NC |
3822 | { |
3823 | /* Each .intrpt section specified by the user adds another PT_LOAD | |
3824 | header since the sections are discontiguous. */ | |
3825 | static const char intrpt_sections[4][9] = | |
3826 | { | |
3827 | ".intrpt0", ".intrpt1", ".intrpt2", ".intrpt3" | |
3828 | }; | |
3829 | int count = 0; | |
3830 | int i; | |
3831 | ||
3832 | for (i = 0; i < 4; i++) | |
3833 | { | |
3834 | asection *sec = bfd_get_section_by_name (abfd, intrpt_sections[i]); | |
3835 | if (sec != NULL && (sec->flags & SEC_LOAD) != 0) | |
3836 | ++count; | |
3837 | } | |
3838 | ||
3839 | /* Add four "padding" headers in to leave room in case a custom linker | |
3840 | script does something fancy. Otherwise ld complains that it ran | |
3841 | out of program headers and refuses to link. */ | |
3842 | count += 4; | |
3843 | ||
3844 | return count; | |
3845 | } | |
3846 | ||
3847 | #define ELF_ARCH bfd_arch_tilepro | |
3848 | #define ELF_TARGET_ID TILEPRO_ELF_DATA | |
3849 | #define ELF_MACHINE_CODE EM_TILEPRO | |
3850 | #define ELF_MAXPAGESIZE 0x10000 | |
3851 | #define ELF_COMMONPAGESIZE 0x10000 | |
3852 | ||
6d00b590 | 3853 | #define TARGET_LITTLE_SYM tilepro_elf32_vec |
aa137e4d NC |
3854 | #define TARGET_LITTLE_NAME "elf32-tilepro" |
3855 | ||
3856 | #define elf_backend_reloc_type_class tilepro_reloc_type_class | |
3857 | ||
07d6d2b8 | 3858 | #define bfd_elf32_bfd_reloc_name_lookup tilepro_reloc_name_lookup |
aa137e4d NC |
3859 | #define bfd_elf32_bfd_link_hash_table_create tilepro_elf_link_hash_table_create |
3860 | #define bfd_elf32_bfd_reloc_type_lookup tilepro_reloc_type_lookup | |
3861 | ||
3862 | #define elf_backend_copy_indirect_symbol tilepro_elf_copy_indirect_symbol | |
3863 | #define elf_backend_create_dynamic_sections tilepro_elf_create_dynamic_sections | |
3864 | #define elf_backend_check_relocs tilepro_elf_check_relocs | |
3865 | #define elf_backend_adjust_dynamic_symbol tilepro_elf_adjust_dynamic_symbol | |
3866 | #define elf_backend_omit_section_dynsym tilepro_elf_omit_section_dynsym | |
3867 | #define elf_backend_size_dynamic_sections tilepro_elf_size_dynamic_sections | |
3868 | #define elf_backend_relocate_section tilepro_elf_relocate_section | |
3869 | #define elf_backend_finish_dynamic_symbol tilepro_elf_finish_dynamic_symbol | |
3870 | #define elf_backend_finish_dynamic_sections tilepro_elf_finish_dynamic_sections | |
3871 | #define elf_backend_gc_mark_hook tilepro_elf_gc_mark_hook | |
aa137e4d | 3872 | #define elf_backend_plt_sym_val tilepro_elf_plt_sym_val |
07d6d2b8 AM |
3873 | #define elf_info_to_howto_rel NULL |
3874 | #define elf_info_to_howto tilepro_info_to_howto_rela | |
3875 | #define elf_backend_grok_prstatus tilepro_elf_grok_prstatus | |
3876 | #define elf_backend_grok_psinfo tilepro_elf_grok_psinfo | |
aa137e4d NC |
3877 | #define elf_backend_additional_program_headers tilepro_additional_program_headers |
3878 | ||
a412bee5 MR |
3879 | #define bfd_elf32_mkobject tilepro_elf_mkobject |
3880 | ||
aa137e4d NC |
3881 | #define elf_backend_init_index_section _bfd_elf_init_1_index_section |
3882 | ||
3883 | #define elf_backend_can_gc_sections 1 | |
3884 | #define elf_backend_can_refcount 1 | |
3885 | #define elf_backend_want_got_plt 1 | |
3886 | #define elf_backend_plt_readonly 1 | |
3887 | /* Align PLT mod 64 byte L2 line size. */ | |
3888 | #define elf_backend_plt_alignment 6 | |
3889 | #define elf_backend_want_plt_sym 1 | |
3890 | #define elf_backend_got_header_size GOT_ENTRY_SIZE | |
5474d94f | 3891 | #define elf_backend_want_dynrelro 1 |
aa137e4d NC |
3892 | #define elf_backend_rela_normal 1 |
3893 | #define elf_backend_default_execstack 0 | |
3894 | ||
3895 | #include "elf32-target.h" |