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252b5132 | 1 | /* D30V-specific support for 32-bit ELF |
5f771d47 | 2 | Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc. |
252b5132 RH |
3 | Contributed by Martin Hunt (hunt@cygnus.com). |
4 | ||
5 | This file is part of BFD, the Binary File Descriptor library. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
20 | ||
21 | #include "bfd.h" | |
22 | #include "sysdep.h" | |
23 | #include "libbfd.h" | |
24 | #include "elf-bfd.h" | |
25 | ||
26 | static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup | |
27 | PARAMS ((bfd *abfd, bfd_reloc_code_real_type code)); | |
28 | static void d30v_info_to_howto_rel | |
29 | PARAMS ((bfd *, arelent *, Elf32_Internal_Rel *)); | |
30 | static void d30v_info_to_howto_rela | |
31 | PARAMS ((bfd *, arelent *, Elf32_Internal_Rela *)); | |
32 | static bfd_reloc_status_type bfd_elf_d30v_reloc PARAMS (( | |
33 | bfd *abfd, | |
34 | arelent *reloc_entry, | |
35 | asymbol *symbol, | |
36 | PTR data, | |
37 | asection *input_section, | |
38 | bfd *output_bfd, | |
39 | char **error_message)); | |
40 | static bfd_reloc_status_type bfd_elf_d30v_reloc_21 PARAMS (( | |
41 | bfd *abfd, | |
42 | arelent *reloc_entry, | |
43 | asymbol *symbol, | |
44 | PTR data, | |
45 | asection *input_section, | |
46 | bfd *output_bfd, | |
47 | char **error_message)); | |
48 | ||
49 | enum reloc_type | |
50 | { | |
51 | R_D30V_NONE = 0, | |
52 | R_D30V_6, | |
53 | R_D30V_9_PCREL, | |
54 | R_D30V_9_PCREL_R, | |
55 | R_D30V_15, | |
56 | R_D30V_15_PCREL, | |
57 | R_D30V_15_PCREL_R, | |
58 | R_D30V_21, | |
59 | R_D30V_21_PCREL, | |
60 | R_D30V_21_PCREL_R, | |
61 | R_D30V_32, | |
62 | R_D30V_32_PCREL, | |
63 | R_D30V_32_NORMAL, | |
64 | R_D30V_max | |
65 | }; | |
66 | ||
67 | static reloc_howto_type elf_d30v_howto_table[] = | |
68 | { | |
69 | /* This reloc does nothing. */ | |
70 | HOWTO (R_D30V_NONE, /* type */ | |
71 | 0, /* rightshift */ | |
72 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
73 | 32, /* bitsize */ | |
74 | false, /* pc_relative */ | |
75 | 0, /* bitpos */ | |
76 | complain_overflow_bitfield, /* complain_on_overflow */ | |
77 | bfd_elf_generic_reloc, /* special_function */ | |
78 | "R_D30V_NONE", /* name */ | |
79 | false, /* partial_inplace */ | |
80 | 0, /* src_mask */ | |
81 | 0, /* dst_mask */ | |
82 | false), /* pcrel_offset */ | |
83 | ||
84 | /* A 6 bit absolute relocation */ | |
85 | HOWTO (R_D30V_6, /* type */ | |
86 | 0, /* rightshift */ | |
87 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
88 | 6, /* bitsize */ | |
89 | false, /* pc_relative */ | |
90 | 0, /* bitpos */ | |
91 | complain_overflow_bitfield, /* complain_on_overflow */ | |
92 | bfd_elf_generic_reloc, /* special_function */ | |
93 | "R_D30V_6", /* name */ | |
94 | false, /* partial_inplace */ | |
95 | 0x3f, /* src_mask */ | |
96 | 0x3f, /* dst_mask */ | |
97 | false), /* pcrel_offset */ | |
98 | ||
99 | /* A relative 9 bit relocation, right shifted by 3 */ | |
100 | HOWTO (R_D30V_9_PCREL, /* type */ | |
101 | 3, /* rightshift */ | |
102 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
103 | 6, /* bitsize */ | |
104 | true, /* pc_relative */ | |
105 | 0, /* bitpos */ | |
106 | complain_overflow_signed, /* complain_on_overflow */ | |
107 | bfd_elf_d30v_reloc_21, /* special_function */ | |
108 | "R_D30V_9_PCREL", /* name */ | |
109 | false, /* partial_inplace */ | |
110 | 0x3f, /* src_mask */ | |
111 | 0x3f, /* dst_mask */ | |
112 | true), /* pcrel_offset */ | |
113 | ||
114 | /* A relative 9 bit relocation, right shifted by 3 */ | |
115 | HOWTO (R_D30V_9_PCREL_R, /* type */ | |
116 | 3, /* rightshift */ | |
117 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
118 | 6, /* bitsize */ | |
119 | true, /* pc_relative */ | |
120 | 0, /* bitpos */ | |
121 | complain_overflow_signed, /* complain_on_overflow */ | |
122 | bfd_elf_d30v_reloc_21, /* special_function */ | |
123 | "R_D30V_9_PCREL_R", /* name */ | |
124 | false, /* partial_inplace */ | |
125 | 0x3f, /* src_mask */ | |
126 | 0x3f, /* dst_mask */ | |
127 | true), /* pcrel_offset */ | |
128 | ||
129 | /* An absolute 15 bit relocation, right shifted by 3 */ | |
130 | HOWTO (R_D30V_15, /* type */ | |
131 | 3, /* rightshift */ | |
132 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
133 | 12, /* bitsize */ | |
134 | false, /* pc_relative */ | |
135 | 0, /* bitpos */ | |
136 | complain_overflow_signed, /* complain_on_overflow */ | |
137 | bfd_elf_generic_reloc, /* special_function */ | |
138 | "R_D30V_15", /* name */ | |
139 | false, /* partial_inplace */ | |
140 | 0xfff, /* src_mask */ | |
141 | 0xfff, /* dst_mask */ | |
142 | false), /* pcrel_offset */ | |
143 | ||
144 | /* A relative 15 bit relocation, right shifted by 3 */ | |
145 | HOWTO (R_D30V_15_PCREL, /* type */ | |
146 | 3, /* rightshift */ | |
147 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
148 | 12, /* bitsize */ | |
149 | true, /* pc_relative */ | |
150 | 0, /* bitpos */ | |
151 | complain_overflow_signed, /* complain_on_overflow */ | |
152 | bfd_elf_d30v_reloc_21, /* special_function */ | |
153 | "R_D30V_15_PCREL", /* name */ | |
154 | false, /* partial_inplace */ | |
155 | 0xfff, /* src_mask */ | |
156 | 0xfff, /* dst_mask */ | |
157 | true), /* pcrel_offset */ | |
158 | ||
159 | /* A relative 15 bit relocation, right shifted by 3 */ | |
160 | HOWTO (R_D30V_15_PCREL_R, /* type */ | |
161 | 3, /* rightshift */ | |
162 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
163 | 12, /* bitsize */ | |
164 | true, /* pc_relative */ | |
165 | 0, /* bitpos */ | |
166 | complain_overflow_signed, /* complain_on_overflow */ | |
167 | bfd_elf_d30v_reloc_21, /* special_function */ | |
168 | "R_D30V_15_PCREL_R", /* name */ | |
169 | false, /* partial_inplace */ | |
170 | 0xfff, /* src_mask */ | |
171 | 0xfff, /* dst_mask */ | |
172 | true), /* pcrel_offset */ | |
173 | ||
174 | /* An absolute 21 bit relocation, right shifted by 3 */ | |
175 | HOWTO (R_D30V_21, /* type */ | |
176 | 3, /* rightshift */ | |
177 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
178 | 18, /* bitsize */ | |
179 | false, /* pc_relative */ | |
180 | 0, /* bitpos */ | |
181 | complain_overflow_signed, /* complain_on_overflow */ | |
182 | bfd_elf_generic_reloc, /* special_function */ | |
183 | "R_D30V_21", /* name */ | |
184 | false, /* partial_inplace */ | |
185 | 0x3ffff, /* src_mask */ | |
186 | 0x3ffff, /* dst_mask */ | |
187 | false), /* pcrel_offset */ | |
188 | ||
189 | /* A relative 21 bit relocation, right shifted by 3 */ | |
190 | HOWTO (R_D30V_21_PCREL, /* type */ | |
191 | 3, /* rightshift */ | |
192 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
193 | 18, /* bitsize */ | |
194 | true, /* pc_relative */ | |
195 | 0, /* bitpos */ | |
196 | complain_overflow_signed, /* complain_on_overflow */ | |
197 | bfd_elf_d30v_reloc_21, /* special_function */ | |
198 | "R_D30V_21_PCREL", /* name */ | |
199 | false, /* partial_inplace */ | |
200 | 0x3ffff, /* src_mask */ | |
201 | 0x3ffff, /* dst_mask */ | |
202 | true), /* pcrel_offset */ | |
203 | ||
204 | /* A relative 21 bit relocation, right shifted by 3, in the Right container */ | |
205 | HOWTO (R_D30V_21_PCREL_R, /* type */ | |
206 | 3, /* rightshift */ | |
207 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
208 | 18, /* bitsize */ | |
209 | true, /* pc_relative */ | |
210 | 0, /* bitpos */ | |
211 | complain_overflow_signed, /* complain_on_overflow */ | |
212 | bfd_elf_d30v_reloc_21, /* special_function */ | |
213 | "R_D30V_21_PCREL_R", /* name */ | |
214 | false, /* partial_inplace */ | |
215 | 0x3ffff, /* src_mask */ | |
216 | 0x3ffff, /* dst_mask */ | |
217 | true), /* pcrel_offset */ | |
218 | ||
219 | /* A D30V 32 bit absolute relocation */ | |
220 | HOWTO (R_D30V_32, /* type */ | |
221 | 0, /* rightshift */ | |
222 | 4, /* size (0 = byte, 1 = short, 2 = long) */ | |
223 | 32, /* bitsize */ | |
224 | false, /* pc_relative */ | |
225 | 0, /* bitpos */ | |
226 | complain_overflow_bitfield, /* complain_on_overflow */ | |
227 | bfd_elf_d30v_reloc, /* special_function */ | |
228 | "R_D30V_32", /* name */ | |
229 | false, /* partial_inplace */ | |
230 | 0xffffffff, /* src_mask */ | |
231 | 0xffffffff, /* dst_mask */ | |
232 | false), /* pcrel_offset */ | |
233 | ||
234 | /* A relative 32 bit relocation */ | |
235 | HOWTO (R_D30V_32_PCREL, /* type */ | |
236 | 0, /* rightshift */ | |
237 | 4, /* size (0 = byte, 1 = short, 2 = long) */ | |
238 | 32, /* bitsize */ | |
239 | true, /* pc_relative */ | |
240 | 0, /* bitpos */ | |
241 | complain_overflow_signed, /* complain_on_overflow */ | |
242 | bfd_elf_d30v_reloc, /* special_function */ | |
243 | "R_D30V_32_PCREL", /* name */ | |
244 | false, /* partial_inplace */ | |
245 | 0xffffffff, /* src_mask */ | |
246 | 0xffffffff, /* dst_mask */ | |
247 | true), /* pcrel_offset */ | |
248 | ||
249 | /* A regular 32 bit absolute relocation */ | |
250 | HOWTO (R_D30V_32_NORMAL, /* type */ | |
251 | 0, /* rightshift */ | |
252 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
253 | 32, /* bitsize */ | |
254 | false, /* pc_relative */ | |
255 | 0, /* bitpos */ | |
256 | complain_overflow_bitfield, /* complain_on_overflow */ | |
257 | bfd_elf_generic_reloc, /* special_function */ | |
258 | "R_D30V_32_NORMAL", /* name */ | |
259 | false, /* partial_inplace */ | |
260 | 0xffffffff, /* src_mask */ | |
261 | 0xffffffff, /* dst_mask */ | |
262 | false), /* pcrel_offset */ | |
263 | ||
264 | }; | |
265 | ||
266 | #define MIN32 (long long)0xffffffff80000000LL | |
267 | #define MAX32 0x7fffffffLL | |
268 | ||
269 | static bfd_reloc_status_type | |
270 | bfd_elf_d30v_reloc (abfd, reloc_entry, symbol, data, input_section, output_bfd, error_message) | |
271 | bfd *abfd; | |
272 | arelent *reloc_entry; | |
273 | asymbol *symbol; | |
274 | PTR data; | |
275 | asection *input_section; | |
276 | bfd *output_bfd; | |
277 | char **error_message; | |
278 | { | |
279 | long long relocation; | |
280 | bfd_vma in1, in2, num; | |
281 | bfd_vma tmp_addr = 0; | |
282 | bfd_reloc_status_type r; | |
283 | asection *reloc_target_output_section; | |
284 | bfd_size_type addr = reloc_entry->address; | |
285 | bfd_reloc_status_type flag = bfd_reloc_ok; | |
286 | bfd_vma output_base = 0; | |
287 | reloc_howto_type *howto = reloc_entry->howto; | |
288 | int make_absolute = 0; | |
289 | ||
290 | r = bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data, | |
291 | input_section, output_bfd, error_message); | |
292 | if (r != bfd_reloc_continue) | |
293 | return r; | |
294 | ||
295 | /* a hacked-up version of bfd_perform_reloc() follows */ | |
296 | if (bfd_is_und_section (symbol->section) | |
297 | && (symbol->flags & BSF_WEAK) == 0 | |
298 | && output_bfd == (bfd *) NULL) | |
299 | flag = bfd_reloc_undefined; | |
300 | ||
301 | /* Is the address of the relocation really within the section? */ | |
302 | if (reloc_entry->address > input_section->_cooked_size) | |
303 | return bfd_reloc_outofrange; | |
304 | ||
305 | /* Work out which section the relocation is targetted at and the | |
306 | initial relocation command value. */ | |
307 | ||
308 | /* Get symbol value. (Common symbols are special.) */ | |
309 | if (bfd_is_com_section (symbol->section)) | |
310 | relocation = 0; | |
311 | else | |
312 | relocation = symbol->value; | |
313 | ||
314 | reloc_target_output_section = symbol->section->output_section; | |
315 | ||
316 | /* Convert input-section-relative symbol value to absolute. */ | |
317 | if (output_bfd) | |
318 | output_base = 0; | |
319 | else | |
320 | output_base = reloc_target_output_section->vma; | |
321 | ||
322 | relocation += output_base + symbol->section->output_offset; | |
323 | ||
324 | /* Add in supplied addend. */ | |
325 | relocation += reloc_entry->addend; | |
326 | ||
327 | /* Here the variable relocation holds the final address of the | |
328 | symbol we are relocating against, plus any addend. */ | |
329 | ||
330 | if (howto->pc_relative == true) | |
331 | { | |
332 | tmp_addr = input_section->output_section->vma + input_section->output_offset | |
333 | + reloc_entry->address; | |
334 | relocation -= tmp_addr; | |
335 | } | |
336 | ||
337 | if (output_bfd != (bfd *) NULL) | |
338 | { | |
339 | /* This is a partial relocation, and we want to apply the relocation | |
340 | to the reloc entry rather than the raw data. Modify the reloc | |
341 | inplace to reflect what we now know. */ | |
342 | reloc_entry->addend = relocation; | |
343 | reloc_entry->address += input_section->output_offset; | |
344 | return flag; | |
345 | } | |
346 | else | |
347 | reloc_entry->addend = 0; | |
348 | ||
349 | in1 = bfd_get_32 (abfd, (bfd_byte *) data + addr); | |
350 | in2 = bfd_get_32 (abfd, (bfd_byte *) data + addr + 4); | |
351 | ||
352 | /* extract the addend */ | |
353 | num = ((in2 & 0x3FFFF) | |
354 | | ((in2 & 0xFF00000) >> 2) | |
355 | | ((in1 & 0x3F) << 26)); | |
356 | in1 &= 0xFFFFFFC0; | |
357 | in2 = 0x80000000; | |
358 | ||
359 | relocation += num; | |
360 | ||
361 | if (howto->pc_relative == true && howto->bitsize == 32) | |
362 | { | |
363 | /* the D30V has a PC that doesn't wrap and PC-relative jumps */ | |
364 | /* are signed, so a PC-relative jump can'tbe more than +/- 2^31 byrtes */ | |
365 | /* if one exceeds this, change it to an absolute jump */ | |
366 | if (relocation > MAX32) | |
367 | { | |
368 | relocation = (relocation + tmp_addr) & 0xffffffff; | |
369 | make_absolute = 1; | |
370 | } | |
371 | else if (relocation < MIN32) | |
372 | { | |
373 | relocation = (relocation + tmp_addr) & 0xffffffff; | |
374 | make_absolute = 1; | |
375 | } | |
376 | } | |
377 | ||
378 | in1 |= (relocation >> 26) & 0x3F; /* top 6 bits */ | |
379 | in2 |= ((relocation & 0x03FC0000) << 2); /* next 8 bits */ | |
380 | in2 |= relocation & 0x0003FFFF; /* bottom 18 bits */ | |
381 | ||
382 | /* change a PC-relative instruction to its absolute equivalent */ | |
383 | /* with this simple hack */ | |
384 | if (make_absolute) | |
385 | in1 |= 0x00100000; | |
386 | ||
387 | bfd_put_32 (abfd, in1, (bfd_byte *) data + addr); | |
388 | bfd_put_32 (abfd, in2, (bfd_byte *) data + addr + 4); | |
389 | ||
390 | return flag; | |
391 | } | |
392 | ||
393 | ||
394 | static bfd_reloc_status_type | |
395 | bfd_elf_d30v_reloc_21 (abfd, reloc_entry, symbol, data, input_section, output_bfd, error_message) | |
396 | bfd *abfd; | |
397 | arelent *reloc_entry; | |
398 | asymbol *symbol; | |
399 | PTR data; | |
400 | asection *input_section; | |
401 | bfd *output_bfd; | |
402 | char **error_message; | |
403 | { | |
404 | bfd_vma relocation; | |
405 | bfd_vma in1, num; | |
406 | bfd_reloc_status_type r; | |
407 | asection *reloc_target_output_section; | |
408 | bfd_size_type addr = reloc_entry->address; | |
409 | bfd_reloc_status_type flag = bfd_reloc_ok; | |
410 | bfd_vma output_base = 0; | |
411 | reloc_howto_type *howto = reloc_entry->howto; | |
412 | int mask, max; | |
413 | ||
414 | r = bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data, | |
415 | input_section, output_bfd, error_message); | |
416 | if (r != bfd_reloc_continue) | |
417 | return r; | |
418 | ||
419 | /* a hacked-up version of bfd_perform_reloc() follows */ | |
420 | if (bfd_is_und_section (symbol->section) | |
421 | && (symbol->flags & BSF_WEAK) == 0 | |
422 | && output_bfd == (bfd *) NULL) | |
423 | flag = bfd_reloc_undefined; | |
424 | ||
425 | /* Is the address of the relocation really within the section? */ | |
426 | if (reloc_entry->address > input_section->_cooked_size) | |
427 | return bfd_reloc_outofrange; | |
428 | ||
429 | /* Work out which section the relocation is targetted at and the | |
430 | initial relocation command value. */ | |
431 | ||
432 | /* Get symbol value. (Common symbols are special.) */ | |
433 | if (bfd_is_com_section (symbol->section)) | |
434 | relocation = 0; | |
435 | else | |
436 | relocation = symbol->value; | |
437 | ||
438 | reloc_target_output_section = symbol->section->output_section; | |
439 | ||
440 | /* Convert input-section-relative symbol value to absolute. */ | |
441 | if (output_bfd) | |
442 | output_base = 0; | |
443 | else | |
444 | output_base = reloc_target_output_section->vma; | |
445 | ||
446 | relocation += output_base + symbol->section->output_offset; | |
447 | ||
448 | /* Add in supplied addend. */ | |
449 | relocation += reloc_entry->addend; | |
450 | ||
451 | /* Here the variable relocation holds the final address of the | |
452 | symbol we are relocating against, plus any addend. */ | |
453 | ||
454 | if (howto->pc_relative == true) | |
455 | { | |
456 | relocation -= input_section->output_section->vma + input_section->output_offset; | |
457 | if (howto->pcrel_offset == true) | |
458 | relocation -= reloc_entry->address; | |
459 | } | |
460 | ||
461 | if (output_bfd != (bfd *) NULL) | |
462 | { | |
463 | /* This is a partial relocation, and we want to apply the relocation | |
464 | to the reloc entry rather than the raw data. Modify the reloc | |
465 | inplace to reflect what we now know. */ | |
466 | reloc_entry->addend = relocation; | |
467 | reloc_entry->address += input_section->output_offset; | |
468 | return flag; | |
469 | } | |
470 | else | |
471 | reloc_entry->addend = 0; | |
472 | ||
473 | in1 = bfd_get_32 (abfd, (bfd_byte *) data + addr); | |
474 | ||
475 | mask = (1 << howto->bitsize) - 1; | |
476 | if (howto->bitsize == 6) | |
477 | mask <<= 12; | |
478 | max = (1 << (howto->bitsize + 2)) - 1; | |
479 | ||
480 | /* extract the addend */ | |
481 | num = in1 & mask; /* 18 bits */ | |
482 | if (howto->bitsize == 6) | |
483 | num >>= 12; | |
484 | num <<= 3; /* shift left 3 */ | |
485 | in1 &= ~mask; /* mask out addend */ | |
486 | ||
487 | relocation += num; | |
488 | if (howto->type == R_D30V_21_PCREL_R || howto->type == R_D30V_15_PCREL_R || | |
489 | howto->type == R_D30V_9_PCREL_R ) | |
490 | { | |
491 | relocation += 4; | |
492 | } | |
493 | ||
494 | if ((int)relocation < 0 ) | |
495 | { | |
496 | if (~(int)relocation > max) | |
497 | flag = bfd_reloc_overflow; | |
498 | } | |
499 | else | |
500 | { | |
501 | if ((int)relocation > max) | |
502 | flag = bfd_reloc_overflow; | |
503 | } | |
504 | relocation >>= 3; | |
505 | if (howto->bitsize == 6) | |
506 | in1 |= ((relocation & (mask >> 12)) << 12); | |
507 | else | |
508 | in1 |= relocation & mask; | |
509 | ||
510 | bfd_put_32 (abfd, in1, (bfd_byte *) data + addr); | |
511 | ||
512 | return flag; | |
513 | } | |
514 | ||
515 | /* Map BFD reloc types to D30V ELF reloc types. */ | |
516 | ||
517 | struct d30v_reloc_map | |
518 | { | |
519 | bfd_reloc_code_real_type bfd_reloc_val; | |
520 | unsigned char elf_reloc_val; | |
521 | }; | |
522 | ||
523 | ||
524 | static const struct d30v_reloc_map d30v_reloc_map[] = | |
525 | { | |
526 | { BFD_RELOC_NONE, R_D30V_NONE, }, | |
527 | { BFD_RELOC_D30V_6, R_D30V_6 }, | |
528 | { BFD_RELOC_D30V_9_PCREL, R_D30V_9_PCREL }, | |
529 | { BFD_RELOC_D30V_9_PCREL_R, R_D30V_9_PCREL_R }, | |
530 | { BFD_RELOC_D30V_15, R_D30V_15 }, | |
531 | { BFD_RELOC_D30V_15_PCREL, R_D30V_15_PCREL }, | |
532 | { BFD_RELOC_D30V_15_PCREL_R, R_D30V_15_PCREL_R }, | |
533 | { BFD_RELOC_D30V_21, R_D30V_21 }, | |
534 | { BFD_RELOC_D30V_21_PCREL, R_D30V_21_PCREL }, | |
535 | { BFD_RELOC_D30V_21_PCREL_R, R_D30V_21_PCREL_R }, | |
536 | { BFD_RELOC_D30V_32, R_D30V_32 }, | |
537 | { BFD_RELOC_D30V_32_PCREL, R_D30V_32_PCREL }, | |
538 | { BFD_RELOC_32, R_D30V_32_NORMAL }, | |
539 | }; | |
540 | ||
541 | static reloc_howto_type * | |
542 | bfd_elf32_bfd_reloc_type_lookup (abfd, code) | |
5f771d47 | 543 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
544 | bfd_reloc_code_real_type code; |
545 | { | |
546 | unsigned int i; | |
547 | ||
548 | for (i = 0; | |
549 | i < sizeof (d30v_reloc_map) / sizeof (struct d30v_reloc_map); | |
550 | i++) | |
551 | { | |
552 | if (d30v_reloc_map[i].bfd_reloc_val == code) | |
553 | return &elf_d30v_howto_table[d30v_reloc_map[i].elf_reloc_val]; | |
554 | } | |
555 | ||
556 | return NULL; | |
557 | } | |
558 | ||
559 | /* Set the howto pointer for an D30V ELF reloc (type REL). */ | |
560 | ||
561 | static void | |
562 | d30v_info_to_howto_rel (abfd, cache_ptr, dst) | |
5f771d47 | 563 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
564 | arelent *cache_ptr; |
565 | Elf32_Internal_Rel *dst; | |
566 | { | |
567 | unsigned int r_type; | |
568 | ||
569 | r_type = ELF32_R_TYPE (dst->r_info); | |
570 | BFD_ASSERT (r_type < (unsigned int) R_D30V_max); | |
571 | cache_ptr->howto = &elf_d30v_howto_table[r_type]; | |
572 | } | |
573 | ||
574 | /* Set the howto pointer for an D30V ELF reloc (type RELA). */ | |
575 | ||
576 | static void | |
577 | d30v_info_to_howto_rela (abfd, cache_ptr, dst) | |
5f771d47 | 578 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
579 | arelent *cache_ptr; |
580 | Elf32_Internal_Rela *dst; | |
581 | { | |
582 | unsigned int r_type; | |
583 | ||
584 | r_type = ELF32_R_TYPE (dst->r_info); | |
585 | BFD_ASSERT (r_type < (unsigned int) R_D30V_max); | |
586 | cache_ptr->howto = &elf_d30v_howto_table[r_type]; | |
587 | } | |
588 | ||
589 | #define ELF_ARCH bfd_arch_d30v | |
590 | #define ELF_MACHINE_CODE EM_CYGNUS_D30V | |
591 | #define ELF_MAXPAGESIZE 0x1000 | |
592 | ||
593 | #define TARGET_BIG_SYM bfd_elf32_d30v_vec | |
594 | #define TARGET_BIG_NAME "elf32-d30v" | |
595 | ||
596 | #define elf_info_to_howto d30v_info_to_howto_rela | |
597 | #define elf_info_to_howto_rel d30v_info_to_howto_rel | |
598 | #define elf_backend_object_p 0 | |
599 | #define elf_backend_final_write_processing 0 | |
600 | ||
601 | #include "elf32-target.h" |