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e23eba97 NC |
1 | /* RISC-V-specific support for ELF. |
2 | Copyright 2011-2016 Free Software Foundation, Inc. | |
3 | ||
4 | Contributed by Andrew Waterman (andrew@sifive.com). | |
5 | Based on TILE-Gx and MIPS targets. | |
6 | ||
7 | This file is part of BFD, the Binary File Descriptor library. | |
8 | ||
9 | This program is free software; you can redistribute it and/or modify | |
10 | it under the terms of the GNU General Public License as published by | |
11 | the Free Software Foundation; either version 3 of the License, or | |
12 | (at your option) any later version. | |
13 | ||
14 | This program is distributed in the hope that it will be useful, | |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU General Public License | |
20 | along with this program; see the file COPYING3. If not, | |
21 | see <http://www.gnu.org/licenses/>. */ | |
22 | ||
23 | #include "sysdep.h" | |
24 | #include "bfd.h" | |
25 | #include "libbfd.h" | |
26 | #include "elf-bfd.h" | |
27 | #include "elf/riscv.h" | |
28 | #include "opcode/riscv.h" | |
29 | #include "libiberty.h" | |
30 | #include "elfxx-riscv.h" | |
31 | #include <stdint.h> | |
32 | ||
33 | #define MINUS_ONE ((bfd_vma)0 - 1) | |
34 | ||
35 | /* The relocation table used for SHT_RELA sections. */ | |
36 | ||
37 | static reloc_howto_type howto_table[] = | |
38 | { | |
39 | /* No relocation. */ | |
40 | HOWTO (R_RISCV_NONE, /* type */ | |
41 | 0, /* rightshift */ | |
42 | 3, /* size */ | |
43 | 0, /* bitsize */ | |
44 | FALSE, /* pc_relative */ | |
45 | 0, /* bitpos */ | |
46 | complain_overflow_dont, /* complain_on_overflow */ | |
47 | bfd_elf_generic_reloc, /* special_function */ | |
48 | "R_RISCV_NONE", /* name */ | |
49 | FALSE, /* partial_inplace */ | |
50 | 0, /* src_mask */ | |
51 | 0, /* dst_mask */ | |
52 | FALSE), /* pcrel_offset */ | |
53 | ||
54 | /* 32 bit relocation. */ | |
55 | HOWTO (R_RISCV_32, /* type */ | |
56 | 0, /* rightshift */ | |
57 | 2, /* size */ | |
58 | 32, /* bitsize */ | |
59 | FALSE, /* pc_relative */ | |
60 | 0, /* bitpos */ | |
61 | complain_overflow_dont, /* complain_on_overflow */ | |
62 | bfd_elf_generic_reloc, /* special_function */ | |
63 | "R_RISCV_32", /* name */ | |
64 | FALSE, /* partial_inplace */ | |
65 | 0, /* src_mask */ | |
1d65abb5 | 66 | MINUS_ONE, /* dst_mask */ |
e23eba97 NC |
67 | FALSE), /* pcrel_offset */ |
68 | ||
69 | /* 64 bit relocation. */ | |
70 | HOWTO (R_RISCV_64, /* type */ | |
71 | 0, /* rightshift */ | |
72 | 4, /* size */ | |
73 | 64, /* bitsize */ | |
74 | FALSE, /* pc_relative */ | |
75 | 0, /* bitpos */ | |
76 | complain_overflow_dont, /* complain_on_overflow */ | |
77 | bfd_elf_generic_reloc, /* special_function */ | |
78 | "R_RISCV_64", /* name */ | |
79 | FALSE, /* partial_inplace */ | |
80 | 0, /* src_mask */ | |
81 | MINUS_ONE, /* dst_mask */ | |
82 | FALSE), /* pcrel_offset */ | |
83 | ||
84 | /* Relocation against a local symbol in a shared object. */ | |
85 | HOWTO (R_RISCV_RELATIVE, /* type */ | |
86 | 0, /* rightshift */ | |
87 | 2, /* size */ | |
88 | 32, /* bitsize */ | |
89 | FALSE, /* pc_relative */ | |
90 | 0, /* bitpos */ | |
91 | complain_overflow_dont, /* complain_on_overflow */ | |
92 | bfd_elf_generic_reloc, /* special_function */ | |
93 | "R_RISCV_RELATIVE", /* name */ | |
94 | FALSE, /* partial_inplace */ | |
95 | 0, /* src_mask */ | |
1d65abb5 | 96 | MINUS_ONE, /* dst_mask */ |
e23eba97 NC |
97 | FALSE), /* pcrel_offset */ |
98 | ||
99 | HOWTO (R_RISCV_COPY, /* type */ | |
100 | 0, /* rightshift */ | |
101 | 0, /* this one is variable size */ | |
102 | 0, /* bitsize */ | |
103 | FALSE, /* pc_relative */ | |
104 | 0, /* bitpos */ | |
105 | complain_overflow_bitfield, /* complain_on_overflow */ | |
106 | bfd_elf_generic_reloc, /* special_function */ | |
107 | "R_RISCV_COPY", /* name */ | |
108 | FALSE, /* partial_inplace */ | |
1d65abb5 AW |
109 | 0, /* src_mask */ |
110 | 0, /* dst_mask */ | |
e23eba97 NC |
111 | FALSE), /* pcrel_offset */ |
112 | ||
113 | HOWTO (R_RISCV_JUMP_SLOT, /* type */ | |
114 | 0, /* rightshift */ | |
115 | 4, /* size */ | |
116 | 64, /* bitsize */ | |
117 | FALSE, /* pc_relative */ | |
118 | 0, /* bitpos */ | |
119 | complain_overflow_bitfield, /* complain_on_overflow */ | |
120 | bfd_elf_generic_reloc, /* special_function */ | |
121 | "R_RISCV_JUMP_SLOT", /* name */ | |
122 | FALSE, /* partial_inplace */ | |
1d65abb5 AW |
123 | 0, /* src_mask */ |
124 | 0, /* dst_mask */ | |
e23eba97 NC |
125 | FALSE), /* pcrel_offset */ |
126 | ||
127 | /* Dynamic TLS relocations. */ | |
128 | HOWTO (R_RISCV_TLS_DTPMOD32, /* type */ | |
129 | 0, /* rightshift */ | |
130 | 4, /* size */ | |
131 | 32, /* bitsize */ | |
132 | FALSE, /* pc_relative */ | |
133 | 0, /* bitpos */ | |
134 | complain_overflow_dont, /* complain_on_overflow */ | |
135 | bfd_elf_generic_reloc, /* special_function */ | |
136 | "R_RISCV_TLS_DTPMOD32", /* name */ | |
137 | FALSE, /* partial_inplace */ | |
1d65abb5 | 138 | 0, /* src_mask */ |
e23eba97 NC |
139 | MINUS_ONE, /* dst_mask */ |
140 | FALSE), /* pcrel_offset */ | |
141 | ||
142 | HOWTO (R_RISCV_TLS_DTPMOD64, /* type */ | |
143 | 0, /* rightshift */ | |
144 | 4, /* size */ | |
145 | 64, /* bitsize */ | |
146 | FALSE, /* pc_relative */ | |
147 | 0, /* bitpos */ | |
148 | complain_overflow_dont, /* complain_on_overflow */ | |
149 | bfd_elf_generic_reloc, /* special_function */ | |
150 | "R_RISCV_TLS_DTPMOD64", /* name */ | |
151 | FALSE, /* partial_inplace */ | |
1d65abb5 | 152 | 0, /* src_mask */ |
e23eba97 NC |
153 | MINUS_ONE, /* dst_mask */ |
154 | FALSE), /* pcrel_offset */ | |
155 | ||
156 | HOWTO (R_RISCV_TLS_DTPREL32, /* type */ | |
157 | 0, /* rightshift */ | |
158 | 4, /* size */ | |
159 | 32, /* bitsize */ | |
160 | FALSE, /* pc_relative */ | |
161 | 0, /* bitpos */ | |
162 | complain_overflow_dont, /* complain_on_overflow */ | |
163 | bfd_elf_generic_reloc, /* special_function */ | |
164 | "R_RISCV_TLS_DTPREL32", /* name */ | |
165 | TRUE, /* partial_inplace */ | |
1d65abb5 | 166 | 0, /* src_mask */ |
e23eba97 NC |
167 | MINUS_ONE, /* dst_mask */ |
168 | FALSE), /* pcrel_offset */ | |
169 | ||
170 | HOWTO (R_RISCV_TLS_DTPREL64, /* type */ | |
171 | 0, /* rightshift */ | |
172 | 4, /* size */ | |
173 | 64, /* bitsize */ | |
174 | FALSE, /* pc_relative */ | |
175 | 0, /* bitpos */ | |
176 | complain_overflow_dont, /* complain_on_overflow */ | |
177 | bfd_elf_generic_reloc, /* special_function */ | |
178 | "R_RISCV_TLS_DTPREL64", /* name */ | |
179 | TRUE, /* partial_inplace */ | |
1d65abb5 | 180 | 0, /* src_mask */ |
e23eba97 NC |
181 | MINUS_ONE, /* dst_mask */ |
182 | FALSE), /* pcrel_offset */ | |
183 | ||
184 | HOWTO (R_RISCV_TLS_TPREL32, /* type */ | |
185 | 0, /* rightshift */ | |
186 | 2, /* size */ | |
187 | 32, /* bitsize */ | |
188 | FALSE, /* pc_relative */ | |
189 | 0, /* bitpos */ | |
190 | complain_overflow_dont, /* complain_on_overflow */ | |
191 | bfd_elf_generic_reloc, /* special_function */ | |
192 | "R_RISCV_TLS_TPREL32", /* name */ | |
193 | FALSE, /* partial_inplace */ | |
1d65abb5 | 194 | 0, /* src_mask */ |
e23eba97 NC |
195 | MINUS_ONE, /* dst_mask */ |
196 | FALSE), /* pcrel_offset */ | |
197 | ||
198 | HOWTO (R_RISCV_TLS_TPREL64, /* type */ | |
199 | 0, /* rightshift */ | |
200 | 4, /* size */ | |
201 | 64, /* bitsize */ | |
202 | FALSE, /* pc_relative */ | |
203 | 0, /* bitpos */ | |
204 | complain_overflow_dont, /* complain_on_overflow */ | |
205 | bfd_elf_generic_reloc, /* special_function */ | |
206 | "R_RISCV_TLS_TPREL64", /* name */ | |
207 | FALSE, /* partial_inplace */ | |
1d65abb5 | 208 | 0, /* src_mask */ |
e23eba97 NC |
209 | MINUS_ONE, /* dst_mask */ |
210 | FALSE), /* pcrel_offset */ | |
211 | ||
212 | /* Reserved for future relocs that the dynamic linker must understand. */ | |
213 | EMPTY_HOWTO (12), | |
214 | EMPTY_HOWTO (13), | |
215 | EMPTY_HOWTO (14), | |
216 | EMPTY_HOWTO (15), | |
217 | ||
218 | /* 12-bit PC-relative branch offset. */ | |
219 | HOWTO (R_RISCV_BRANCH, /* type */ | |
220 | 0, /* rightshift */ | |
221 | 2, /* size */ | |
222 | 32, /* bitsize */ | |
223 | TRUE, /* pc_relative */ | |
224 | 0, /* bitpos */ | |
225 | complain_overflow_signed, /* complain_on_overflow */ | |
226 | bfd_elf_generic_reloc, /* special_function */ | |
227 | "R_RISCV_BRANCH", /* name */ | |
228 | FALSE, /* partial_inplace */ | |
229 | 0, /* src_mask */ | |
230 | ENCODE_SBTYPE_IMM (-1U), /* dst_mask */ | |
231 | TRUE), /* pcrel_offset */ | |
232 | ||
233 | /* 20-bit PC-relative jump offset. */ | |
234 | HOWTO (R_RISCV_JAL, /* type */ | |
235 | 0, /* rightshift */ | |
236 | 2, /* size */ | |
237 | 32, /* bitsize */ | |
238 | TRUE, /* pc_relative */ | |
239 | 0, /* bitpos */ | |
240 | complain_overflow_dont, /* complain_on_overflow */ | |
e23eba97 NC |
241 | bfd_elf_generic_reloc, /* special_function */ |
242 | "R_RISCV_JAL", /* name */ | |
243 | FALSE, /* partial_inplace */ | |
244 | 0, /* src_mask */ | |
245 | ENCODE_UJTYPE_IMM (-1U), /* dst_mask */ | |
246 | TRUE), /* pcrel_offset */ | |
247 | ||
248 | /* 32-bit PC-relative function call (AUIPC/JALR). */ | |
249 | HOWTO (R_RISCV_CALL, /* type */ | |
250 | 0, /* rightshift */ | |
251 | 2, /* size */ | |
252 | 64, /* bitsize */ | |
253 | TRUE, /* pc_relative */ | |
254 | 0, /* bitpos */ | |
255 | complain_overflow_dont, /* complain_on_overflow */ | |
256 | bfd_elf_generic_reloc, /* special_function */ | |
257 | "R_RISCV_CALL", /* name */ | |
258 | FALSE, /* partial_inplace */ | |
259 | 0, /* src_mask */ | |
260 | ENCODE_UTYPE_IMM (-1U) | ((bfd_vma) ENCODE_ITYPE_IMM (-1U) << 32), | |
261 | /* dst_mask */ | |
262 | TRUE), /* pcrel_offset */ | |
263 | ||
1d65abb5 | 264 | /* Like R_RISCV_CALL, but not locally binding. */ |
e23eba97 NC |
265 | HOWTO (R_RISCV_CALL_PLT, /* type */ |
266 | 0, /* rightshift */ | |
267 | 2, /* size */ | |
268 | 64, /* bitsize */ | |
269 | TRUE, /* pc_relative */ | |
270 | 0, /* bitpos */ | |
271 | complain_overflow_dont, /* complain_on_overflow */ | |
272 | bfd_elf_generic_reloc, /* special_function */ | |
273 | "R_RISCV_CALL_PLT", /* name */ | |
274 | FALSE, /* partial_inplace */ | |
275 | 0, /* src_mask */ | |
276 | ENCODE_UTYPE_IMM (-1U) | ((bfd_vma) ENCODE_ITYPE_IMM (-1U) << 32), | |
277 | /* dst_mask */ | |
278 | TRUE), /* pcrel_offset */ | |
279 | ||
280 | /* High 20 bits of 32-bit PC-relative GOT access. */ | |
281 | HOWTO (R_RISCV_GOT_HI20, /* type */ | |
282 | 0, /* rightshift */ | |
283 | 2, /* size */ | |
284 | 32, /* bitsize */ | |
285 | TRUE, /* pc_relative */ | |
286 | 0, /* bitpos */ | |
287 | complain_overflow_dont, /* complain_on_overflow */ | |
288 | bfd_elf_generic_reloc, /* special_function */ | |
289 | "R_RISCV_GOT_HI20", /* name */ | |
290 | FALSE, /* partial_inplace */ | |
291 | 0, /* src_mask */ | |
292 | ENCODE_UTYPE_IMM (-1U), /* dst_mask */ | |
293 | FALSE), /* pcrel_offset */ | |
294 | ||
295 | /* High 20 bits of 32-bit PC-relative TLS IE GOT access. */ | |
296 | HOWTO (R_RISCV_TLS_GOT_HI20, /* type */ | |
297 | 0, /* rightshift */ | |
298 | 2, /* size */ | |
299 | 32, /* bitsize */ | |
300 | TRUE, /* pc_relative */ | |
301 | 0, /* bitpos */ | |
302 | complain_overflow_dont, /* complain_on_overflow */ | |
303 | bfd_elf_generic_reloc, /* special_function */ | |
304 | "R_RISCV_TLS_GOT_HI20", /* name */ | |
305 | FALSE, /* partial_inplace */ | |
306 | 0, /* src_mask */ | |
307 | ENCODE_UTYPE_IMM (-1U), /* dst_mask */ | |
308 | FALSE), /* pcrel_offset */ | |
309 | ||
310 | /* High 20 bits of 32-bit PC-relative TLS GD GOT reference. */ | |
311 | HOWTO (R_RISCV_TLS_GD_HI20, /* type */ | |
312 | 0, /* rightshift */ | |
313 | 2, /* size */ | |
314 | 32, /* bitsize */ | |
315 | TRUE, /* pc_relative */ | |
316 | 0, /* bitpos */ | |
317 | complain_overflow_dont, /* complain_on_overflow */ | |
318 | bfd_elf_generic_reloc, /* special_function */ | |
319 | "R_RISCV_TLS_GD_HI20", /* name */ | |
320 | FALSE, /* partial_inplace */ | |
321 | 0, /* src_mask */ | |
322 | ENCODE_UTYPE_IMM (-1U), /* dst_mask */ | |
323 | FALSE), /* pcrel_offset */ | |
324 | ||
325 | /* High 20 bits of 32-bit PC-relative reference. */ | |
326 | HOWTO (R_RISCV_PCREL_HI20, /* type */ | |
327 | 0, /* rightshift */ | |
328 | 2, /* size */ | |
329 | 32, /* bitsize */ | |
330 | TRUE, /* pc_relative */ | |
331 | 0, /* bitpos */ | |
332 | complain_overflow_dont, /* complain_on_overflow */ | |
333 | bfd_elf_generic_reloc, /* special_function */ | |
334 | "R_RISCV_PCREL_HI20", /* name */ | |
335 | FALSE, /* partial_inplace */ | |
336 | 0, /* src_mask */ | |
337 | ENCODE_UTYPE_IMM (-1U), /* dst_mask */ | |
338 | TRUE), /* pcrel_offset */ | |
339 | ||
340 | /* Low 12 bits of a 32-bit PC-relative load or add. */ | |
341 | HOWTO (R_RISCV_PCREL_LO12_I, /* type */ | |
342 | 0, /* rightshift */ | |
343 | 2, /* size */ | |
344 | 32, /* bitsize */ | |
345 | FALSE, /* pc_relative */ | |
346 | 0, /* bitpos */ | |
347 | complain_overflow_dont, /* complain_on_overflow */ | |
348 | bfd_elf_generic_reloc, /* special_function */ | |
349 | "R_RISCV_PCREL_LO12_I", /* name */ | |
350 | FALSE, /* partial_inplace */ | |
351 | 0, /* src_mask */ | |
352 | ENCODE_ITYPE_IMM (-1U), /* dst_mask */ | |
353 | FALSE), /* pcrel_offset */ | |
354 | ||
355 | /* Low 12 bits of a 32-bit PC-relative store. */ | |
356 | HOWTO (R_RISCV_PCREL_LO12_S, /* type */ | |
357 | 0, /* rightshift */ | |
358 | 2, /* size */ | |
359 | 32, /* bitsize */ | |
360 | FALSE, /* pc_relative */ | |
361 | 0, /* bitpos */ | |
362 | complain_overflow_dont, /* complain_on_overflow */ | |
363 | bfd_elf_generic_reloc, /* special_function */ | |
364 | "R_RISCV_PCREL_LO12_S", /* name */ | |
365 | FALSE, /* partial_inplace */ | |
366 | 0, /* src_mask */ | |
367 | ENCODE_STYPE_IMM (-1U), /* dst_mask */ | |
368 | FALSE), /* pcrel_offset */ | |
369 | ||
370 | /* High 20 bits of 32-bit absolute address. */ | |
371 | HOWTO (R_RISCV_HI20, /* type */ | |
372 | 0, /* rightshift */ | |
373 | 2, /* size */ | |
374 | 32, /* bitsize */ | |
375 | FALSE, /* pc_relative */ | |
376 | 0, /* bitpos */ | |
377 | complain_overflow_dont, /* complain_on_overflow */ | |
378 | bfd_elf_generic_reloc, /* special_function */ | |
379 | "R_RISCV_HI20", /* name */ | |
380 | FALSE, /* partial_inplace */ | |
381 | 0, /* src_mask */ | |
382 | ENCODE_UTYPE_IMM (-1U), /* dst_mask */ | |
383 | FALSE), /* pcrel_offset */ | |
384 | ||
385 | /* High 12 bits of 32-bit load or add. */ | |
386 | HOWTO (R_RISCV_LO12_I, /* type */ | |
387 | 0, /* rightshift */ | |
388 | 2, /* size */ | |
389 | 32, /* bitsize */ | |
390 | FALSE, /* pc_relative */ | |
391 | 0, /* bitpos */ | |
392 | complain_overflow_dont, /* complain_on_overflow */ | |
393 | bfd_elf_generic_reloc, /* special_function */ | |
394 | "R_RISCV_LO12_I", /* name */ | |
395 | FALSE, /* partial_inplace */ | |
396 | 0, /* src_mask */ | |
397 | ENCODE_ITYPE_IMM (-1U), /* dst_mask */ | |
398 | FALSE), /* pcrel_offset */ | |
399 | ||
400 | /* High 12 bits of 32-bit store. */ | |
401 | HOWTO (R_RISCV_LO12_S, /* type */ | |
402 | 0, /* rightshift */ | |
403 | 2, /* size */ | |
404 | 32, /* bitsize */ | |
405 | FALSE, /* pc_relative */ | |
406 | 0, /* bitpos */ | |
407 | complain_overflow_dont, /* complain_on_overflow */ | |
408 | bfd_elf_generic_reloc, /* special_function */ | |
409 | "R_RISCV_LO12_S", /* name */ | |
410 | FALSE, /* partial_inplace */ | |
411 | 0, /* src_mask */ | |
412 | ENCODE_STYPE_IMM (-1U), /* dst_mask */ | |
413 | FALSE), /* pcrel_offset */ | |
414 | ||
415 | /* High 20 bits of TLS LE thread pointer offset. */ | |
416 | HOWTO (R_RISCV_TPREL_HI20, /* type */ | |
417 | 0, /* rightshift */ | |
418 | 2, /* size */ | |
419 | 32, /* bitsize */ | |
420 | FALSE, /* pc_relative */ | |
421 | 0, /* bitpos */ | |
422 | complain_overflow_signed, /* complain_on_overflow */ | |
423 | bfd_elf_generic_reloc, /* special_function */ | |
424 | "R_RISCV_TPREL_HI20", /* name */ | |
425 | TRUE, /* partial_inplace */ | |
426 | 0, /* src_mask */ | |
427 | ENCODE_UTYPE_IMM (-1U), /* dst_mask */ | |
428 | FALSE), /* pcrel_offset */ | |
429 | ||
430 | /* Low 12 bits of TLS LE thread pointer offset for loads and adds. */ | |
431 | HOWTO (R_RISCV_TPREL_LO12_I, /* type */ | |
432 | 0, /* rightshift */ | |
433 | 2, /* size */ | |
434 | 32, /* bitsize */ | |
435 | FALSE, /* pc_relative */ | |
436 | 0, /* bitpos */ | |
437 | complain_overflow_signed, /* complain_on_overflow */ | |
438 | bfd_elf_generic_reloc, /* special_function */ | |
439 | "R_RISCV_TPREL_LO12_I", /* name */ | |
440 | FALSE, /* partial_inplace */ | |
441 | 0, /* src_mask */ | |
442 | ENCODE_ITYPE_IMM (-1U), /* dst_mask */ | |
443 | FALSE), /* pcrel_offset */ | |
444 | ||
445 | /* Low 12 bits of TLS LE thread pointer offset for stores. */ | |
446 | HOWTO (R_RISCV_TPREL_LO12_S, /* type */ | |
447 | 0, /* rightshift */ | |
448 | 2, /* size */ | |
449 | 32, /* bitsize */ | |
450 | FALSE, /* pc_relative */ | |
451 | 0, /* bitpos */ | |
452 | complain_overflow_signed, /* complain_on_overflow */ | |
453 | bfd_elf_generic_reloc, /* special_function */ | |
454 | "R_RISCV_TPREL_LO12_S", /* name */ | |
455 | FALSE, /* partial_inplace */ | |
456 | 0, /* src_mask */ | |
457 | ENCODE_STYPE_IMM (-1U), /* dst_mask */ | |
458 | FALSE), /* pcrel_offset */ | |
459 | ||
1d65abb5 | 460 | /* TLS LE thread pointer usage. May be relaxed. */ |
e23eba97 NC |
461 | HOWTO (R_RISCV_TPREL_ADD, /* type */ |
462 | 0, /* rightshift */ | |
463 | 2, /* size */ | |
464 | 32, /* bitsize */ | |
465 | FALSE, /* pc_relative */ | |
466 | 0, /* bitpos */ | |
467 | complain_overflow_dont, /* complain_on_overflow */ | |
468 | bfd_elf_generic_reloc, /* special_function */ | |
469 | "R_RISCV_TPREL_ADD", /* name */ | |
470 | TRUE, /* partial_inplace */ | |
471 | 0, /* src_mask */ | |
472 | 0, /* dst_mask */ | |
473 | FALSE), /* pcrel_offset */ | |
474 | ||
475 | /* 8-bit in-place addition, for local label subtraction. */ | |
476 | HOWTO (R_RISCV_ADD8, /* type */ | |
477 | 0, /* rightshift */ | |
478 | 0, /* size */ | |
0b14696a | 479 | 8, /* bitsize */ |
e23eba97 NC |
480 | FALSE, /* pc_relative */ |
481 | 0, /* bitpos */ | |
482 | complain_overflow_dont, /* complain_on_overflow */ | |
483 | bfd_elf_generic_reloc, /* special_function */ | |
484 | "R_RISCV_ADD8", /* name */ | |
485 | FALSE, /* partial_inplace */ | |
486 | 0, /* src_mask */ | |
487 | MINUS_ONE, /* dst_mask */ | |
488 | FALSE), /* pcrel_offset */ | |
489 | ||
490 | /* 16-bit in-place addition, for local label subtraction. */ | |
491 | HOWTO (R_RISCV_ADD16, /* type */ | |
492 | 0, /* rightshift */ | |
493 | 1, /* size */ | |
494 | 16, /* bitsize */ | |
495 | FALSE, /* pc_relative */ | |
496 | 0, /* bitpos */ | |
497 | complain_overflow_dont, /* complain_on_overflow */ | |
498 | bfd_elf_generic_reloc, /* special_function */ | |
499 | "R_RISCV_ADD16", /* name */ | |
500 | FALSE, /* partial_inplace */ | |
501 | 0, /* src_mask */ | |
502 | MINUS_ONE, /* dst_mask */ | |
503 | FALSE), /* pcrel_offset */ | |
504 | ||
505 | /* 32-bit in-place addition, for local label subtraction. */ | |
506 | HOWTO (R_RISCV_ADD32, /* type */ | |
507 | 0, /* rightshift */ | |
508 | 2, /* size */ | |
509 | 32, /* bitsize */ | |
510 | FALSE, /* pc_relative */ | |
511 | 0, /* bitpos */ | |
512 | complain_overflow_dont, /* complain_on_overflow */ | |
513 | bfd_elf_generic_reloc, /* special_function */ | |
514 | "R_RISCV_ADD32", /* name */ | |
515 | FALSE, /* partial_inplace */ | |
516 | 0, /* src_mask */ | |
517 | MINUS_ONE, /* dst_mask */ | |
518 | FALSE), /* pcrel_offset */ | |
519 | ||
520 | /* 64-bit in-place addition, for local label subtraction. */ | |
521 | HOWTO (R_RISCV_ADD64, /* type */ | |
522 | 0, /* rightshift */ | |
523 | 4, /* size */ | |
524 | 64, /* bitsize */ | |
525 | FALSE, /* pc_relative */ | |
526 | 0, /* bitpos */ | |
527 | complain_overflow_dont, /* complain_on_overflow */ | |
528 | bfd_elf_generic_reloc, /* special_function */ | |
529 | "R_RISCV_ADD64", /* name */ | |
530 | FALSE, /* partial_inplace */ | |
531 | 0, /* src_mask */ | |
532 | MINUS_ONE, /* dst_mask */ | |
533 | FALSE), /* pcrel_offset */ | |
534 | ||
535 | /* 8-bit in-place addition, for local label subtraction. */ | |
536 | HOWTO (R_RISCV_SUB8, /* type */ | |
537 | 0, /* rightshift */ | |
538 | 0, /* size */ | |
539 | 8, /* bitsize */ | |
540 | FALSE, /* pc_relative */ | |
541 | 0, /* bitpos */ | |
542 | complain_overflow_dont, /* complain_on_overflow */ | |
543 | bfd_elf_generic_reloc, /* special_function */ | |
544 | "R_RISCV_SUB8", /* name */ | |
545 | FALSE, /* partial_inplace */ | |
546 | 0, /* src_mask */ | |
547 | MINUS_ONE, /* dst_mask */ | |
548 | FALSE), /* pcrel_offset */ | |
549 | ||
550 | /* 16-bit in-place addition, for local label subtraction. */ | |
551 | HOWTO (R_RISCV_SUB16, /* type */ | |
552 | 0, /* rightshift */ | |
553 | 1, /* size */ | |
554 | 16, /* bitsize */ | |
555 | FALSE, /* pc_relative */ | |
556 | 0, /* bitpos */ | |
557 | complain_overflow_dont, /* complain_on_overflow */ | |
558 | bfd_elf_generic_reloc, /* special_function */ | |
559 | "R_RISCV_SUB16", /* name */ | |
560 | FALSE, /* partial_inplace */ | |
561 | 0, /* src_mask */ | |
562 | MINUS_ONE, /* dst_mask */ | |
563 | FALSE), /* pcrel_offset */ | |
564 | ||
565 | /* 32-bit in-place addition, for local label subtraction. */ | |
566 | HOWTO (R_RISCV_SUB32, /* type */ | |
567 | 0, /* rightshift */ | |
568 | 2, /* size */ | |
569 | 32, /* bitsize */ | |
570 | FALSE, /* pc_relative */ | |
571 | 0, /* bitpos */ | |
572 | complain_overflow_dont, /* complain_on_overflow */ | |
573 | bfd_elf_generic_reloc, /* special_function */ | |
574 | "R_RISCV_SUB32", /* name */ | |
575 | FALSE, /* partial_inplace */ | |
576 | 0, /* src_mask */ | |
577 | MINUS_ONE, /* dst_mask */ | |
578 | FALSE), /* pcrel_offset */ | |
579 | ||
580 | /* 64-bit in-place addition, for local label subtraction. */ | |
581 | HOWTO (R_RISCV_SUB64, /* type */ | |
582 | 0, /* rightshift */ | |
583 | 4, /* size */ | |
584 | 64, /* bitsize */ | |
585 | FALSE, /* pc_relative */ | |
586 | 0, /* bitpos */ | |
587 | complain_overflow_dont, /* complain_on_overflow */ | |
588 | bfd_elf_generic_reloc, /* special_function */ | |
589 | "R_RISCV_SUB64", /* name */ | |
590 | FALSE, /* partial_inplace */ | |
591 | 0, /* src_mask */ | |
592 | MINUS_ONE, /* dst_mask */ | |
593 | FALSE), /* pcrel_offset */ | |
594 | ||
595 | /* GNU extension to record C++ vtable hierarchy */ | |
596 | HOWTO (R_RISCV_GNU_VTINHERIT, /* type */ | |
597 | 0, /* rightshift */ | |
598 | 4, /* size */ | |
599 | 0, /* bitsize */ | |
600 | FALSE, /* pc_relative */ | |
601 | 0, /* bitpos */ | |
602 | complain_overflow_dont, /* complain_on_overflow */ | |
603 | NULL, /* special_function */ | |
604 | "R_RISCV_GNU_VTINHERIT", /* name */ | |
605 | FALSE, /* partial_inplace */ | |
606 | 0, /* src_mask */ | |
607 | 0, /* dst_mask */ | |
608 | FALSE), /* pcrel_offset */ | |
609 | ||
610 | /* GNU extension to record C++ vtable member usage */ | |
611 | HOWTO (R_RISCV_GNU_VTENTRY, /* type */ | |
612 | 0, /* rightshift */ | |
613 | 4, /* size */ | |
614 | 0, /* bitsize */ | |
615 | FALSE, /* pc_relative */ | |
616 | 0, /* bitpos */ | |
617 | complain_overflow_dont, /* complain_on_overflow */ | |
618 | _bfd_elf_rel_vtable_reloc_fn, /* special_function */ | |
619 | "R_RISCV_GNU_VTENTRY", /* name */ | |
620 | FALSE, /* partial_inplace */ | |
621 | 0, /* src_mask */ | |
622 | 0, /* dst_mask */ | |
623 | FALSE), /* pcrel_offset */ | |
624 | ||
625 | /* Indicates an alignment statement. The addend field encodes how many | |
626 | bytes of NOPs follow the statement. The desired alignment is the | |
627 | addend rounded up to the next power of two. */ | |
628 | HOWTO (R_RISCV_ALIGN, /* type */ | |
629 | 0, /* rightshift */ | |
630 | 2, /* size */ | |
631 | 0, /* bitsize */ | |
632 | FALSE, /* pc_relative */ | |
633 | 0, /* bitpos */ | |
634 | complain_overflow_dont, /* complain_on_overflow */ | |
635 | bfd_elf_generic_reloc, /* special_function */ | |
636 | "R_RISCV_ALIGN", /* name */ | |
637 | FALSE, /* partial_inplace */ | |
638 | 0, /* src_mask */ | |
639 | 0, /* dst_mask */ | |
640 | TRUE), /* pcrel_offset */ | |
641 | ||
642 | /* 8-bit PC-relative branch offset. */ | |
643 | HOWTO (R_RISCV_RVC_BRANCH, /* type */ | |
644 | 0, /* rightshift */ | |
645 | 2, /* size */ | |
646 | 32, /* bitsize */ | |
647 | TRUE, /* pc_relative */ | |
648 | 0, /* bitpos */ | |
649 | complain_overflow_signed, /* complain_on_overflow */ | |
650 | bfd_elf_generic_reloc, /* special_function */ | |
651 | "R_RISCV_RVC_BRANCH", /* name */ | |
652 | FALSE, /* partial_inplace */ | |
653 | 0, /* src_mask */ | |
654 | ENCODE_RVC_B_IMM (-1U), /* dst_mask */ | |
655 | TRUE), /* pcrel_offset */ | |
656 | ||
657 | /* 11-bit PC-relative jump offset. */ | |
658 | HOWTO (R_RISCV_RVC_JUMP, /* type */ | |
659 | 0, /* rightshift */ | |
660 | 2, /* size */ | |
661 | 32, /* bitsize */ | |
662 | TRUE, /* pc_relative */ | |
663 | 0, /* bitpos */ | |
664 | complain_overflow_dont, /* complain_on_overflow */ | |
e23eba97 NC |
665 | bfd_elf_generic_reloc, /* special_function */ |
666 | "R_RISCV_RVC_JUMP", /* name */ | |
667 | FALSE, /* partial_inplace */ | |
668 | 0, /* src_mask */ | |
669 | ENCODE_RVC_J_IMM (-1U), /* dst_mask */ | |
670 | TRUE), /* pcrel_offset */ | |
671 | ||
672 | /* High 6 bits of 18-bit absolute address. */ | |
673 | HOWTO (R_RISCV_RVC_LUI, /* type */ | |
674 | 0, /* rightshift */ | |
675 | 2, /* size */ | |
676 | 32, /* bitsize */ | |
677 | FALSE, /* pc_relative */ | |
678 | 0, /* bitpos */ | |
679 | complain_overflow_dont, /* complain_on_overflow */ | |
680 | bfd_elf_generic_reloc, /* special_function */ | |
681 | "R_RISCV_RVC_LUI", /* name */ | |
682 | FALSE, /* partial_inplace */ | |
683 | 0, /* src_mask */ | |
684 | ENCODE_RVC_IMM (-1U), /* dst_mask */ | |
685 | FALSE), /* pcrel_offset */ | |
686 | ||
1d65abb5 | 687 | /* GP-relative load. */ |
e23eba97 NC |
688 | HOWTO (R_RISCV_GPREL_I, /* type */ |
689 | 0, /* rightshift */ | |
690 | 2, /* size */ | |
691 | 32, /* bitsize */ | |
692 | FALSE, /* pc_relative */ | |
693 | 0, /* bitpos */ | |
694 | complain_overflow_dont, /* complain_on_overflow */ | |
695 | bfd_elf_generic_reloc, /* special_function */ | |
696 | "R_RISCV_GPREL_I", /* name */ | |
697 | FALSE, /* partial_inplace */ | |
698 | 0, /* src_mask */ | |
699 | ENCODE_ITYPE_IMM (-1U), /* dst_mask */ | |
700 | FALSE), /* pcrel_offset */ | |
701 | ||
1d65abb5 | 702 | /* GP-relative store. */ |
e23eba97 NC |
703 | HOWTO (R_RISCV_GPREL_S, /* type */ |
704 | 0, /* rightshift */ | |
705 | 2, /* size */ | |
706 | 32, /* bitsize */ | |
707 | FALSE, /* pc_relative */ | |
708 | 0, /* bitpos */ | |
709 | complain_overflow_dont, /* complain_on_overflow */ | |
710 | bfd_elf_generic_reloc, /* special_function */ | |
711 | "R_RISCV_GPREL_S", /* name */ | |
712 | FALSE, /* partial_inplace */ | |
713 | 0, /* src_mask */ | |
714 | ENCODE_STYPE_IMM (-1U), /* dst_mask */ | |
715 | FALSE), /* pcrel_offset */ | |
45f76423 AW |
716 | |
717 | /* TP-relative TLS LE load. */ | |
718 | HOWTO (R_RISCV_TPREL_I, /* type */ | |
719 | 0, /* rightshift */ | |
720 | 2, /* size */ | |
721 | 32, /* bitsize */ | |
722 | FALSE, /* pc_relative */ | |
723 | 0, /* bitpos */ | |
724 | complain_overflow_signed, /* complain_on_overflow */ | |
725 | bfd_elf_generic_reloc, /* special_function */ | |
726 | "R_RISCV_TPREL_I", /* name */ | |
727 | FALSE, /* partial_inplace */ | |
728 | 0, /* src_mask */ | |
729 | ENCODE_ITYPE_IMM (-1U), /* dst_mask */ | |
730 | FALSE), /* pcrel_offset */ | |
731 | ||
732 | /* TP-relative TLS LE store. */ | |
733 | HOWTO (R_RISCV_TPREL_S, /* type */ | |
734 | 0, /* rightshift */ | |
735 | 2, /* size */ | |
736 | 32, /* bitsize */ | |
737 | FALSE, /* pc_relative */ | |
738 | 0, /* bitpos */ | |
739 | complain_overflow_signed, /* complain_on_overflow */ | |
740 | bfd_elf_generic_reloc, /* special_function */ | |
741 | "R_RISCV_TPREL_S", /* name */ | |
742 | FALSE, /* partial_inplace */ | |
743 | 0, /* src_mask */ | |
744 | ENCODE_STYPE_IMM (-1U), /* dst_mask */ | |
745 | FALSE), /* pcrel_offset */ | |
746 | ||
747 | /* The paired relocation may be relaxed. */ | |
748 | HOWTO (R_RISCV_RELAX, /* type */ | |
749 | 0, /* rightshift */ | |
750 | 3, /* size */ | |
751 | 0, /* bitsize */ | |
752 | FALSE, /* pc_relative */ | |
753 | 0, /* bitpos */ | |
754 | complain_overflow_dont, /* complain_on_overflow */ | |
755 | bfd_elf_generic_reloc, /* special_function */ | |
756 | "R_RISCV_RELAX", /* name */ | |
757 | FALSE, /* partial_inplace */ | |
758 | 0, /* src_mask */ | |
759 | 0, /* dst_mask */ | |
760 | FALSE), /* pcrel_offset */ | |
761 | ||
762 | /* 6-bit in-place addition, for local label subtraction. */ | |
763 | HOWTO (R_RISCV_SUB6, /* type */ | |
764 | 0, /* rightshift */ | |
765 | 0, /* size */ | |
766 | 8, /* bitsize */ | |
767 | FALSE, /* pc_relative */ | |
768 | 0, /* bitpos */ | |
769 | complain_overflow_dont, /* complain_on_overflow */ | |
770 | bfd_elf_generic_reloc, /* special_function */ | |
771 | "R_RISCV_SUB6", /* name */ | |
772 | FALSE, /* partial_inplace */ | |
773 | 0, /* src_mask */ | |
774 | 0x3f, /* dst_mask */ | |
775 | FALSE), /* pcrel_offset */ | |
776 | ||
777 | /* 6-bit in-place setting, for local label subtraction. */ | |
778 | HOWTO (R_RISCV_SET6, /* type */ | |
779 | 0, /* rightshift */ | |
780 | 0, /* size */ | |
781 | 8, /* bitsize */ | |
782 | FALSE, /* pc_relative */ | |
783 | 0, /* bitpos */ | |
784 | complain_overflow_dont, /* complain_on_overflow */ | |
785 | bfd_elf_generic_reloc, /* special_function */ | |
786 | "R_RISCV_SET6", /* name */ | |
787 | FALSE, /* partial_inplace */ | |
788 | 0, /* src_mask */ | |
789 | 0x3f, /* dst_mask */ | |
790 | FALSE), /* pcrel_offset */ | |
791 | ||
792 | /* 8-bit in-place setting, for local label subtraction. */ | |
793 | HOWTO (R_RISCV_SET8, /* type */ | |
794 | 0, /* rightshift */ | |
795 | 0, /* size */ | |
796 | 8, /* bitsize */ | |
797 | FALSE, /* pc_relative */ | |
798 | 0, /* bitpos */ | |
799 | complain_overflow_dont, /* complain_on_overflow */ | |
800 | bfd_elf_generic_reloc, /* special_function */ | |
801 | "R_RISCV_SET8", /* name */ | |
802 | FALSE, /* partial_inplace */ | |
803 | 0, /* src_mask */ | |
804 | MINUS_ONE, /* dst_mask */ | |
805 | FALSE), /* pcrel_offset */ | |
806 | ||
807 | /* 16-bit in-place setting, for local label subtraction. */ | |
808 | HOWTO (R_RISCV_SET16, /* type */ | |
809 | 0, /* rightshift */ | |
810 | 1, /* size */ | |
811 | 16, /* bitsize */ | |
812 | FALSE, /* pc_relative */ | |
813 | 0, /* bitpos */ | |
814 | complain_overflow_dont, /* complain_on_overflow */ | |
815 | bfd_elf_generic_reloc, /* special_function */ | |
816 | "R_RISCV_SET16", /* name */ | |
817 | FALSE, /* partial_inplace */ | |
818 | 0, /* src_mask */ | |
819 | MINUS_ONE, /* dst_mask */ | |
820 | FALSE), /* pcrel_offset */ | |
821 | ||
822 | /* 32-bit in-place setting, for local label subtraction. */ | |
823 | HOWTO (R_RISCV_SET32, /* type */ | |
824 | 0, /* rightshift */ | |
825 | 2, /* size */ | |
826 | 32, /* bitsize */ | |
827 | FALSE, /* pc_relative */ | |
828 | 0, /* bitpos */ | |
829 | complain_overflow_dont, /* complain_on_overflow */ | |
830 | bfd_elf_generic_reloc, /* special_function */ | |
831 | "R_RISCV_SET32", /* name */ | |
832 | FALSE, /* partial_inplace */ | |
833 | 0, /* src_mask */ | |
834 | MINUS_ONE, /* dst_mask */ | |
835 | FALSE), /* pcrel_offset */ | |
e23eba97 NC |
836 | }; |
837 | ||
838 | /* A mapping from BFD reloc types to RISC-V ELF reloc types. */ | |
839 | ||
840 | struct elf_reloc_map | |
841 | { | |
842 | bfd_reloc_code_real_type bfd_val; | |
843 | enum elf_riscv_reloc_type elf_val; | |
844 | }; | |
845 | ||
846 | static const struct elf_reloc_map riscv_reloc_map[] = | |
847 | { | |
848 | { BFD_RELOC_NONE, R_RISCV_NONE }, | |
849 | { BFD_RELOC_32, R_RISCV_32 }, | |
850 | { BFD_RELOC_64, R_RISCV_64 }, | |
851 | { BFD_RELOC_RISCV_ADD8, R_RISCV_ADD8 }, | |
852 | { BFD_RELOC_RISCV_ADD16, R_RISCV_ADD16 }, | |
853 | { BFD_RELOC_RISCV_ADD32, R_RISCV_ADD32 }, | |
854 | { BFD_RELOC_RISCV_ADD64, R_RISCV_ADD64 }, | |
855 | { BFD_RELOC_RISCV_SUB8, R_RISCV_SUB8 }, | |
856 | { BFD_RELOC_RISCV_SUB16, R_RISCV_SUB16 }, | |
857 | { BFD_RELOC_RISCV_SUB32, R_RISCV_SUB32 }, | |
858 | { BFD_RELOC_RISCV_SUB64, R_RISCV_SUB64 }, | |
859 | { BFD_RELOC_CTOR, R_RISCV_64 }, | |
860 | { BFD_RELOC_12_PCREL, R_RISCV_BRANCH }, | |
861 | { BFD_RELOC_RISCV_HI20, R_RISCV_HI20 }, | |
862 | { BFD_RELOC_RISCV_LO12_I, R_RISCV_LO12_I }, | |
863 | { BFD_RELOC_RISCV_LO12_S, R_RISCV_LO12_S }, | |
864 | { BFD_RELOC_RISCV_PCREL_LO12_I, R_RISCV_PCREL_LO12_I }, | |
865 | { BFD_RELOC_RISCV_PCREL_LO12_S, R_RISCV_PCREL_LO12_S }, | |
866 | { BFD_RELOC_RISCV_CALL, R_RISCV_CALL }, | |
867 | { BFD_RELOC_RISCV_CALL_PLT, R_RISCV_CALL_PLT }, | |
868 | { BFD_RELOC_RISCV_PCREL_HI20, R_RISCV_PCREL_HI20 }, | |
869 | { BFD_RELOC_RISCV_JMP, R_RISCV_JAL }, | |
870 | { BFD_RELOC_RISCV_GOT_HI20, R_RISCV_GOT_HI20 }, | |
871 | { BFD_RELOC_RISCV_TLS_DTPMOD32, R_RISCV_TLS_DTPMOD32 }, | |
872 | { BFD_RELOC_RISCV_TLS_DTPREL32, R_RISCV_TLS_DTPREL32 }, | |
873 | { BFD_RELOC_RISCV_TLS_DTPMOD64, R_RISCV_TLS_DTPMOD64 }, | |
874 | { BFD_RELOC_RISCV_TLS_DTPREL64, R_RISCV_TLS_DTPREL64 }, | |
875 | { BFD_RELOC_RISCV_TLS_TPREL32, R_RISCV_TLS_TPREL32 }, | |
876 | { BFD_RELOC_RISCV_TLS_TPREL64, R_RISCV_TLS_TPREL64 }, | |
877 | { BFD_RELOC_RISCV_TPREL_HI20, R_RISCV_TPREL_HI20 }, | |
878 | { BFD_RELOC_RISCV_TPREL_ADD, R_RISCV_TPREL_ADD }, | |
879 | { BFD_RELOC_RISCV_TPREL_LO12_S, R_RISCV_TPREL_LO12_S }, | |
880 | { BFD_RELOC_RISCV_TPREL_LO12_I, R_RISCV_TPREL_LO12_I }, | |
881 | { BFD_RELOC_RISCV_TLS_GOT_HI20, R_RISCV_TLS_GOT_HI20 }, | |
882 | { BFD_RELOC_RISCV_TLS_GD_HI20, R_RISCV_TLS_GD_HI20 }, | |
883 | { BFD_RELOC_RISCV_ALIGN, R_RISCV_ALIGN }, | |
884 | { BFD_RELOC_RISCV_RVC_BRANCH, R_RISCV_RVC_BRANCH }, | |
885 | { BFD_RELOC_RISCV_RVC_JUMP, R_RISCV_RVC_JUMP }, | |
886 | { BFD_RELOC_RISCV_RVC_LUI, R_RISCV_RVC_LUI }, | |
887 | { BFD_RELOC_RISCV_GPREL_I, R_RISCV_GPREL_I }, | |
888 | { BFD_RELOC_RISCV_GPREL_S, R_RISCV_GPREL_S }, | |
45f76423 AW |
889 | { BFD_RELOC_RISCV_TPREL_I, R_RISCV_TPREL_I }, |
890 | { BFD_RELOC_RISCV_TPREL_S, R_RISCV_TPREL_S }, | |
891 | { BFD_RELOC_RISCV_RELAX, R_RISCV_RELAX }, | |
892 | { BFD_RELOC_RISCV_SUB6, R_RISCV_SUB6 }, | |
893 | { BFD_RELOC_RISCV_SET6, R_RISCV_SET6 }, | |
894 | { BFD_RELOC_RISCV_SET8, R_RISCV_SET8 }, | |
895 | { BFD_RELOC_RISCV_SET16, R_RISCV_SET16 }, | |
896 | { BFD_RELOC_RISCV_SET32, R_RISCV_SET32 }, | |
e23eba97 NC |
897 | }; |
898 | ||
899 | /* Given a BFD reloc type, return a howto structure. */ | |
900 | ||
901 | reloc_howto_type * | |
902 | riscv_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, | |
903 | bfd_reloc_code_real_type code) | |
904 | { | |
905 | unsigned int i; | |
906 | ||
907 | for (i = 0; i < ARRAY_SIZE (riscv_reloc_map); i++) | |
908 | if (riscv_reloc_map[i].bfd_val == code) | |
909 | return &howto_table[(int) riscv_reloc_map[i].elf_val]; | |
910 | ||
911 | bfd_set_error (bfd_error_bad_value); | |
912 | return NULL; | |
913 | } | |
914 | ||
915 | reloc_howto_type * | |
916 | riscv_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, const char *r_name) | |
917 | { | |
918 | unsigned int i; | |
919 | ||
920 | for (i = 0; i < ARRAY_SIZE (howto_table); i++) | |
921 | if (howto_table[i].name && strcasecmp (howto_table[i].name, r_name) == 0) | |
922 | return &howto_table[i]; | |
923 | ||
924 | return NULL; | |
925 | } | |
926 | ||
927 | reloc_howto_type * | |
928 | riscv_elf_rtype_to_howto (unsigned int r_type) | |
929 | { | |
930 | if (r_type >= ARRAY_SIZE (howto_table)) | |
931 | { | |
932 | (*_bfd_error_handler) (_("unrecognized relocation (0x%x)"), r_type); | |
933 | bfd_set_error (bfd_error_bad_value); | |
934 | return NULL; | |
935 | } | |
936 | return &howto_table[r_type]; | |
937 | } |