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1 | /* D30V-specific support for 32-bit ELF | |
2 | Copyright (C) 1997-2019 Free Software Foundation, Inc. | |
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 3 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., 51 Franklin Street - Fifth Floor, Boston, | |
20 | MA 02110-1301, USA. */ | |
21 | ||
22 | #include "sysdep.h" | |
23 | #include "bfd.h" | |
24 | #include "libbfd.h" | |
25 | #include "elf-bfd.h" | |
26 | #include "elf/d30v.h" | |
27 | ||
28 | #define MAX32 ((bfd_signed_vma) 0x7fffffff) | |
29 | #define MIN32 (- MAX32 - 1) | |
30 | ||
31 | static bfd_reloc_status_type | |
32 | bfd_elf_d30v_reloc (bfd *abfd, | |
33 | arelent *reloc_entry, | |
34 | asymbol *symbol, | |
35 | void * data, | |
36 | asection *input_section, | |
37 | bfd *output_bfd, | |
38 | char **error_message) | |
39 | { | |
40 | bfd_signed_vma relocation; | |
41 | bfd_vma in1, in2, num; | |
42 | bfd_vma tmp_addr = 0; | |
43 | bfd_reloc_status_type r; | |
44 | asection *reloc_target_output_section; | |
45 | bfd_size_type addr = reloc_entry->address; | |
46 | bfd_reloc_status_type flag = bfd_reloc_ok; | |
47 | bfd_vma output_base = 0; | |
48 | reloc_howto_type *howto = reloc_entry->howto; | |
49 | int make_absolute = 0; | |
50 | ||
51 | if (output_bfd != NULL) | |
52 | { | |
53 | /* Partial linking -- do nothing. */ | |
54 | reloc_entry->address += input_section->output_offset; | |
55 | return bfd_reloc_ok; | |
56 | } | |
57 | ||
58 | r = bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data, | |
59 | input_section, output_bfd, error_message); | |
60 | if (r != bfd_reloc_continue) | |
61 | return r; | |
62 | ||
63 | /* A hacked-up version of bfd_perform_reloc() follows. */ | |
64 | if (bfd_is_und_section (symbol->section) | |
65 | && (symbol->flags & BSF_WEAK) == 0 | |
66 | && output_bfd == NULL) | |
67 | flag = bfd_reloc_undefined; | |
68 | ||
69 | /* Is the address of the relocation really within the section? */ | |
70 | if (reloc_entry->address > bfd_get_section_limit (abfd, input_section)) | |
71 | return bfd_reloc_outofrange; | |
72 | ||
73 | /* Work out which section the relocation is targeted at and the | |
74 | initial relocation command value. */ | |
75 | ||
76 | /* Get symbol value. (Common symbols are special.) */ | |
77 | if (bfd_is_com_section (symbol->section)) | |
78 | relocation = 0; | |
79 | else | |
80 | relocation = symbol->value; | |
81 | ||
82 | reloc_target_output_section = symbol->section->output_section; | |
83 | ||
84 | /* Convert input-section-relative symbol value to absolute. */ | |
85 | output_base = reloc_target_output_section->vma; | |
86 | relocation += output_base + symbol->section->output_offset; | |
87 | ||
88 | /* Add in supplied addend. */ | |
89 | relocation += reloc_entry->addend; | |
90 | ||
91 | /* Here the variable relocation holds the final address of the | |
92 | symbol we are relocating against, plus any addend. */ | |
93 | if (howto->pc_relative) | |
94 | { | |
95 | tmp_addr = input_section->output_section->vma | |
96 | + input_section->output_offset | |
97 | + reloc_entry->address; | |
98 | relocation -= tmp_addr; | |
99 | } | |
100 | ||
101 | in1 = bfd_get_32 (abfd, (bfd_byte *) data + addr); | |
102 | in2 = bfd_get_32 (abfd, (bfd_byte *) data + addr + 4); | |
103 | ||
104 | /* Extract the addend. */ | |
105 | num = ((in2 & 0x3FFFF) | |
106 | | ((in2 & 0xFF00000) >> 2) | |
107 | | ((in1 & 0x3F) << 26)); | |
108 | in1 &= 0xFFFFFFC0; | |
109 | in2 = 0x80000000; | |
110 | ||
111 | relocation += num; | |
112 | ||
113 | if (howto->pc_relative && howto->bitsize == 32) | |
114 | { | |
115 | /* The D30V has a PC that doesn't wrap and PC-relative jumps are | |
116 | signed, so a PC-relative jump can't be more than +/- 2^31 bytes. | |
117 | If one exceeds this, change it to an absolute jump. */ | |
118 | if (relocation > MAX32 || relocation < MIN32) | |
119 | { | |
120 | relocation = (relocation + tmp_addr) & 0xffffffff; | |
121 | make_absolute = 1; | |
122 | } | |
123 | } | |
124 | ||
125 | in1 |= (relocation >> 26) & 0x3F; /* Top 6 bits. */ | |
126 | in2 |= ((relocation & 0x03FC0000) << 2); /* Next 8 bits. */ | |
127 | in2 |= relocation & 0x0003FFFF; /* Bottom 18 bits. */ | |
128 | ||
129 | /* Change a PC-relative instruction to its | |
130 | absolute equivalent with this simple hack. */ | |
131 | if (make_absolute) | |
132 | in1 |= 0x00100000; | |
133 | ||
134 | bfd_put_32 (abfd, in1, (bfd_byte *) data + addr); | |
135 | bfd_put_32 (abfd, in2, (bfd_byte *) data + addr + 4); | |
136 | ||
137 | return flag; | |
138 | } | |
139 | ||
140 | static bfd_reloc_status_type | |
141 | bfd_elf_d30v_reloc_21 (bfd *abfd, | |
142 | arelent *reloc_entry, | |
143 | asymbol *symbol, | |
144 | void * data, | |
145 | asection *input_section, | |
146 | bfd *output_bfd, | |
147 | char **error_message) | |
148 | { | |
149 | bfd_vma relocation; | |
150 | bfd_vma in1, num; | |
151 | bfd_reloc_status_type r; | |
152 | asection *reloc_target_output_section; | |
153 | bfd_size_type addr = reloc_entry->address; | |
154 | bfd_reloc_status_type flag = bfd_reloc_ok; | |
155 | bfd_vma output_base = 0; | |
156 | reloc_howto_type *howto = reloc_entry->howto; | |
157 | int mask, max; | |
158 | ||
159 | if (output_bfd != NULL) | |
160 | { | |
161 | /* Partial linking -- do nothing. */ | |
162 | reloc_entry->address += input_section->output_offset; | |
163 | return bfd_reloc_ok; | |
164 | } | |
165 | ||
166 | r = bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data, | |
167 | input_section, output_bfd, error_message); | |
168 | if (r != bfd_reloc_continue) | |
169 | return r; | |
170 | ||
171 | /* A hacked-up version of bfd_perform_reloc() follows. */ | |
172 | if (bfd_is_und_section (symbol->section) | |
173 | && (symbol->flags & BSF_WEAK) == 0 | |
174 | && output_bfd == NULL) | |
175 | flag = bfd_reloc_undefined; | |
176 | ||
177 | /* Is the address of the relocation really within the section? */ | |
178 | if (reloc_entry->address > bfd_get_section_limit (abfd, input_section)) | |
179 | return bfd_reloc_outofrange; | |
180 | ||
181 | /* Work out which section the relocation is targeted at and the | |
182 | initial relocation command value. */ | |
183 | ||
184 | /* Get symbol value. (Common symbols are special.) */ | |
185 | if (bfd_is_com_section (symbol->section)) | |
186 | relocation = 0; | |
187 | else | |
188 | relocation = symbol->value; | |
189 | ||
190 | reloc_target_output_section = symbol->section->output_section; | |
191 | ||
192 | /* Convert input-section-relative symbol value to absolute. */ | |
193 | output_base = reloc_target_output_section->vma; | |
194 | relocation += output_base + symbol->section->output_offset; | |
195 | ||
196 | /* Add in supplied addend. */ | |
197 | relocation += reloc_entry->addend; | |
198 | ||
199 | /* Here the variable relocation holds the final address of the | |
200 | symbol we are relocating against, plus any addend. */ | |
201 | ||
202 | if (howto->pc_relative) | |
203 | { | |
204 | relocation -= (input_section->output_section->vma | |
205 | + input_section->output_offset); | |
206 | if (howto->pcrel_offset) | |
207 | relocation -= reloc_entry->address; | |
208 | } | |
209 | ||
210 | in1 = bfd_get_32 (abfd, (bfd_byte *) data + addr); | |
211 | ||
212 | mask = (1 << howto->bitsize) - 1; | |
213 | if (howto->bitsize == 6) | |
214 | mask <<= 12; | |
215 | max = (1 << (howto->bitsize + 2)) - 1; | |
216 | ||
217 | /* Extract the addend. */ | |
218 | num = in1 & mask; /* 18 bits. */ | |
219 | if (howto->bitsize == 6) | |
220 | num >>= 12; | |
221 | num <<= 3; /* shift left 3. */ | |
222 | in1 &= ~mask; /* Mask out addend. */ | |
223 | ||
224 | relocation += num; | |
225 | if (howto->type == R_D30V_21_PCREL_R | |
226 | || howto->type == R_D30V_15_PCREL_R | |
227 | || howto->type == R_D30V_9_PCREL_R) | |
228 | relocation += 4; | |
229 | ||
230 | if ((int) relocation < 0) | |
231 | { | |
232 | if (~ (int) relocation > max) | |
233 | flag = bfd_reloc_overflow; | |
234 | } | |
235 | else | |
236 | { | |
237 | if ((int) relocation > max) | |
238 | flag = bfd_reloc_overflow; | |
239 | } | |
240 | ||
241 | relocation >>= 3; | |
242 | if (howto->bitsize == 6) | |
243 | in1 |= ((relocation & (mask >> 12)) << 12); | |
244 | else | |
245 | in1 |= relocation & mask; | |
246 | ||
247 | bfd_put_32 (abfd, in1, (bfd_byte *) data + addr); | |
248 | ||
249 | return flag; | |
250 | } | |
251 | ||
252 | static reloc_howto_type elf_d30v_howto_table[] = | |
253 | { | |
254 | /* This reloc does nothing. */ | |
255 | HOWTO (R_D30V_NONE, /* Type. */ | |
256 | 0, /* Rightshift. */ | |
257 | 3, /* Size (0 = byte, 1 = short, 2 = long). */ | |
258 | 0, /* Bitsize. */ | |
259 | FALSE, /* PC_relative. */ | |
260 | 0, /* Bitpos. */ | |
261 | complain_overflow_dont, /* Complain_on_overflow. */ | |
262 | bfd_elf_generic_reloc, /* Special_function. */ | |
263 | "R_D30V_NONE", /* Name. */ | |
264 | FALSE, /* Partial_inplace. */ | |
265 | 0, /* Src_mask. */ | |
266 | 0, /* Dst_mask. */ | |
267 | FALSE), /* PCrel_offset. */ | |
268 | ||
269 | /* A 6 bit absolute relocation. */ | |
270 | HOWTO (R_D30V_6, /* Type. */ | |
271 | 0, /* Rightshift. */ | |
272 | 2, /* Size (0 = byte, 1 = short, 2 = long). */ | |
273 | 6, /* Bitsize. */ | |
274 | FALSE, /* PC_relative. */ | |
275 | 0, /* Bitpos. */ | |
276 | complain_overflow_bitfield, /* Complain_on_overflow. */ | |
277 | bfd_elf_generic_reloc, /* Special_function. */ | |
278 | "R_D30V_6", /* Name. */ | |
279 | FALSE, /* Partial_inplace. */ | |
280 | 0x3f, /* Src_mask. */ | |
281 | 0x3f, /* Dst_mask. */ | |
282 | FALSE), /* PCrel_offset. */ | |
283 | ||
284 | /* A relative 9 bit relocation, right shifted by 3. */ | |
285 | HOWTO (R_D30V_9_PCREL, /* Type. */ | |
286 | 3, /* Rightshift. */ | |
287 | 2, /* Size (0 = byte, 1 = short, 2 = long). */ | |
288 | 6, /* Bitsize. */ | |
289 | TRUE, /* PC_relative. */ | |
290 | 0, /* Bitpos. */ | |
291 | complain_overflow_signed, /* Complain_on_overflow. */ | |
292 | bfd_elf_d30v_reloc_21, /* Special_function. */ | |
293 | "R_D30V_9_PCREL", /* Name. */ | |
294 | FALSE, /* Partial_inplace. */ | |
295 | 0x3f, /* Src_mask. */ | |
296 | 0x3f, /* Dst_mask. */ | |
297 | TRUE), /* PCrel_offset. */ | |
298 | ||
299 | /* A relative 9 bit relocation, right shifted by 3. */ | |
300 | HOWTO (R_D30V_9_PCREL_R, /* Type. */ | |
301 | 3, /* Rightshift. */ | |
302 | 2, /* Size (0 = byte, 1 = short, 2 = long). */ | |
303 | 6, /* Bitsize. */ | |
304 | TRUE, /* PC_relative. */ | |
305 | 0, /* Bitpos. */ | |
306 | complain_overflow_signed, /* Complain_on_overflow. */ | |
307 | bfd_elf_d30v_reloc_21, /* Special_function. */ | |
308 | "R_D30V_9_PCREL_R", /* Name. */ | |
309 | FALSE, /* Partial_inplace. */ | |
310 | 0x3f, /* Src_mask. */ | |
311 | 0x3f, /* Dst_mask. */ | |
312 | TRUE), /* PCrel_offset. */ | |
313 | ||
314 | /* An absolute 15 bit relocation, right shifted by 3. */ | |
315 | HOWTO (R_D30V_15, /* Type. */ | |
316 | 3, /* Rightshift. */ | |
317 | 2, /* Size (0 = byte, 1 = short, 2 = long). */ | |
318 | 12, /* Bitsize. */ | |
319 | FALSE, /* PC_relative. */ | |
320 | 0, /* Bitpos. */ | |
321 | complain_overflow_signed, /* Complain_on_overflow. */ | |
322 | bfd_elf_generic_reloc, /* Special_function. */ | |
323 | "R_D30V_15", /* Name. */ | |
324 | FALSE, /* Partial_inplace. */ | |
325 | 0xfff, /* Src_mask. */ | |
326 | 0xfff, /* Dst_mask. */ | |
327 | FALSE), /* PCrel_offset. */ | |
328 | ||
329 | /* A relative 15 bit relocation, right shifted by 3. */ | |
330 | HOWTO (R_D30V_15_PCREL, /* Type. */ | |
331 | 3, /* Rightshift. */ | |
332 | 2, /* Size (0 = byte, 1 = short, 2 = long). */ | |
333 | 12, /* Bitsize. */ | |
334 | TRUE, /* PC_relative. */ | |
335 | 0, /* Bitpos. */ | |
336 | complain_overflow_signed, /* Complain_on_overflow. */ | |
337 | bfd_elf_d30v_reloc_21, /* Special_function. */ | |
338 | "R_D30V_15_PCREL", /* Name. */ | |
339 | FALSE, /* Partial_inplace. */ | |
340 | 0xfff, /* Src_mask. */ | |
341 | 0xfff, /* Dst_mask. */ | |
342 | TRUE), /* PCrel_offset. */ | |
343 | ||
344 | /* A relative 15 bit relocation, right shifted by 3. */ | |
345 | HOWTO (R_D30V_15_PCREL_R, /* Type. */ | |
346 | 3, /* Rightshift. */ | |
347 | 2, /* Size (0 = byte, 1 = short, 2 = long). */ | |
348 | 12, /* Bitsize. */ | |
349 | TRUE, /* PC_relative. */ | |
350 | 0, /* Bitpos. */ | |
351 | complain_overflow_signed, /* Complain_on_overflow. */ | |
352 | bfd_elf_d30v_reloc_21, /* Special_function. */ | |
353 | "R_D30V_15_PCREL_R", /* Name. */ | |
354 | FALSE, /* Partial_inplace. */ | |
355 | 0xfff, /* Src_mask. */ | |
356 | 0xfff, /* Dst_mask. */ | |
357 | TRUE), /* PCrel_offset. */ | |
358 | ||
359 | /* An absolute 21 bit relocation, right shifted by 3. */ | |
360 | HOWTO (R_D30V_21, /* Type. */ | |
361 | 3, /* Rightshift. */ | |
362 | 2, /* Size (0 = byte, 1 = short, 2 = long). */ | |
363 | 18, /* Bitsize. */ | |
364 | FALSE, /* PC_relative. */ | |
365 | 0, /* Bitpos. */ | |
366 | complain_overflow_signed, /* Complain_on_overflow. */ | |
367 | bfd_elf_generic_reloc, /* Special_function. */ | |
368 | "R_D30V_21", /* Name. */ | |
369 | FALSE, /* Partial_inplace. */ | |
370 | 0x3ffff, /* Src_mask. */ | |
371 | 0x3ffff, /* Dst_mask. */ | |
372 | FALSE), /* PCrel_offset. */ | |
373 | ||
374 | /* A relative 21 bit relocation, right shifted by 3. */ | |
375 | HOWTO (R_D30V_21_PCREL, /* Type. */ | |
376 | 3, /* Rightshift. */ | |
377 | 2, /* Size (0 = byte, 1 = short, 2 = long). */ | |
378 | 18, /* Bitsize. */ | |
379 | TRUE, /* PC_relative. */ | |
380 | 0, /* Bitpos. */ | |
381 | complain_overflow_signed, /* Complain_on_overflow. */ | |
382 | bfd_elf_d30v_reloc_21, /* Special_function. */ | |
383 | "R_D30V_21_PCREL", /* Name. */ | |
384 | FALSE, /* Partial_inplace. */ | |
385 | 0x3ffff, /* Src_mask. */ | |
386 | 0x3ffff, /* Dst_mask. */ | |
387 | TRUE), /* PCrel_offset. */ | |
388 | ||
389 | /* A relative 21 bit relocation, right shifted by 3, in the Right container. */ | |
390 | HOWTO (R_D30V_21_PCREL_R, /* Type. */ | |
391 | 3, /* Rightshift. */ | |
392 | 2, /* Size (0 = byte, 1 = short, 2 = long). */ | |
393 | 18, /* Bitsize. */ | |
394 | TRUE, /* PC_relative. */ | |
395 | 0, /* Bitpos. */ | |
396 | complain_overflow_signed, /* Complain_on_overflow. */ | |
397 | bfd_elf_d30v_reloc_21, /* Special_function. */ | |
398 | "R_D30V_21_PCREL_R", /* Name. */ | |
399 | FALSE, /* Partial_inplace. */ | |
400 | 0x3ffff, /* Src_mask. */ | |
401 | 0x3ffff, /* Dst_mask. */ | |
402 | TRUE), /* PCrel_offset. */ | |
403 | ||
404 | /* A D30V 32 bit absolute relocation. */ | |
405 | HOWTO (R_D30V_32, /* Type. */ | |
406 | 0, /* Rightshift. */ | |
407 | 4, /* Size (0 = byte, 1 = short, 2 = long). */ | |
408 | 32, /* Bitsize. */ | |
409 | FALSE, /* PC_relative. */ | |
410 | 0, /* Bitpos. */ | |
411 | complain_overflow_bitfield, /* Complain_on_overflow. */ | |
412 | bfd_elf_d30v_reloc, /* Special_function. */ | |
413 | "R_D30V_32", /* Name. */ | |
414 | FALSE, /* Partial_inplace. */ | |
415 | 0xffffffff, /* Src_mask. */ | |
416 | 0xffffffff, /* Dst_mask. */ | |
417 | FALSE), /* PCrel_offset. */ | |
418 | ||
419 | /* A relative 32 bit relocation. */ | |
420 | HOWTO (R_D30V_32_PCREL, /* Type. */ | |
421 | 0, /* Rightshift. */ | |
422 | 4, /* Size (0 = byte, 1 = short, 2 = long). */ | |
423 | 32, /* Bitsize. */ | |
424 | TRUE, /* PC_relative. */ | |
425 | 0, /* Bitpos. */ | |
426 | complain_overflow_signed, /* Complain_on_overflow. */ | |
427 | bfd_elf_d30v_reloc, /* Special_function. */ | |
428 | "R_D30V_32_PCREL", /* Name. */ | |
429 | FALSE, /* Partial_inplace. */ | |
430 | 0xffffffff, /* Src_mask. */ | |
431 | 0xffffffff, /* Dst_mask. */ | |
432 | TRUE), /* PCrel_offset. */ | |
433 | ||
434 | /* A regular 32 bit absolute relocation. */ | |
435 | HOWTO (R_D30V_32_NORMAL, /* Type. */ | |
436 | 0, /* Rightshift. */ | |
437 | 2, /* Size (0 = byte, 1 = short, 2 = long). */ | |
438 | 32, /* Bitsize. */ | |
439 | FALSE, /* PC_relative. */ | |
440 | 0, /* Bitpos. */ | |
441 | complain_overflow_bitfield, /* Complain_on_overflow. */ | |
442 | bfd_elf_generic_reloc, /* Special_function. */ | |
443 | "R_D30V_32_NORMAL", /* Name. */ | |
444 | FALSE, /* Partial_inplace. */ | |
445 | 0xffffffff, /* Src_mask. */ | |
446 | 0xffffffff, /* Dst_mask. */ | |
447 | FALSE), /* PCrel_offset. */ | |
448 | ||
449 | }; | |
450 | ||
451 | /* Map BFD reloc types to D30V ELF reloc types. */ | |
452 | ||
453 | struct d30v_reloc_map | |
454 | { | |
455 | bfd_reloc_code_real_type bfd_reloc_val; | |
456 | unsigned char elf_reloc_val; | |
457 | }; | |
458 | ||
459 | static const struct d30v_reloc_map d30v_reloc_map[] = | |
460 | { | |
461 | { BFD_RELOC_NONE, R_D30V_NONE, }, | |
462 | { BFD_RELOC_D30V_6, R_D30V_6 }, | |
463 | { BFD_RELOC_D30V_9_PCREL, R_D30V_9_PCREL }, | |
464 | { BFD_RELOC_D30V_9_PCREL_R, R_D30V_9_PCREL_R }, | |
465 | { BFD_RELOC_D30V_15, R_D30V_15 }, | |
466 | { BFD_RELOC_D30V_15_PCREL, R_D30V_15_PCREL }, | |
467 | { BFD_RELOC_D30V_15_PCREL_R, R_D30V_15_PCREL_R }, | |
468 | { BFD_RELOC_D30V_21, R_D30V_21 }, | |
469 | { BFD_RELOC_D30V_21_PCREL, R_D30V_21_PCREL }, | |
470 | { BFD_RELOC_D30V_21_PCREL_R, R_D30V_21_PCREL_R }, | |
471 | { BFD_RELOC_D30V_32, R_D30V_32 }, | |
472 | { BFD_RELOC_D30V_32_PCREL, R_D30V_32_PCREL }, | |
473 | { BFD_RELOC_32, R_D30V_32_NORMAL }, | |
474 | }; | |
475 | ||
476 | static reloc_howto_type * | |
477 | bfd_elf32_bfd_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, | |
478 | bfd_reloc_code_real_type code) | |
479 | { | |
480 | unsigned int i; | |
481 | ||
482 | for (i = 0; | |
483 | i < sizeof (d30v_reloc_map) / sizeof (struct d30v_reloc_map); | |
484 | i++) | |
485 | { | |
486 | if (d30v_reloc_map[i].bfd_reloc_val == code) | |
487 | return &elf_d30v_howto_table[d30v_reloc_map[i].elf_reloc_val]; | |
488 | } | |
489 | ||
490 | return NULL; | |
491 | } | |
492 | ||
493 | static reloc_howto_type * | |
494 | bfd_elf32_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, | |
495 | const char *r_name) | |
496 | { | |
497 | unsigned int i; | |
498 | ||
499 | for (i = 0; | |
500 | i < sizeof (elf_d30v_howto_table) / sizeof (elf_d30v_howto_table[0]); | |
501 | i++) | |
502 | if (elf_d30v_howto_table[i].name != NULL | |
503 | && strcasecmp (elf_d30v_howto_table[i].name, r_name) == 0) | |
504 | return &elf_d30v_howto_table[i]; | |
505 | ||
506 | return NULL; | |
507 | } | |
508 | ||
509 | /* Set the howto pointer for an D30V ELF reloc (type REL). */ | |
510 | ||
511 | static bfd_boolean | |
512 | d30v_info_to_howto_rel (bfd *abfd, | |
513 | arelent *cache_ptr, | |
514 | Elf_Internal_Rela *dst) | |
515 | { | |
516 | unsigned int r_type; | |
517 | ||
518 | r_type = ELF32_R_TYPE (dst->r_info); | |
519 | if (r_type >= (unsigned int) R_D30V_max) | |
520 | { | |
521 | /* xgettext:c-format */ | |
522 | _bfd_error_handler (_("%pB: unsupported relocation type %#x"), | |
523 | abfd, r_type); | |
524 | bfd_set_error (bfd_error_bad_value); | |
525 | return FALSE; | |
526 | } | |
527 | cache_ptr->howto = &elf_d30v_howto_table[r_type]; | |
528 | return TRUE; | |
529 | } | |
530 | ||
531 | /* Set the howto pointer for an D30V ELF reloc (type RELA). */ | |
532 | ||
533 | static bfd_boolean | |
534 | d30v_info_to_howto_rela (bfd *abfd, | |
535 | arelent *cache_ptr, | |
536 | Elf_Internal_Rela *dst) | |
537 | { | |
538 | unsigned int r_type; | |
539 | ||
540 | r_type = ELF32_R_TYPE (dst->r_info); | |
541 | if (r_type >= (unsigned int) R_D30V_max) | |
542 | { | |
543 | /* xgettext:c-format */ | |
544 | _bfd_error_handler (_("%pB: unsupported relocation type %#x"), | |
545 | abfd, r_type); | |
546 | bfd_set_error (bfd_error_bad_value); | |
547 | return FALSE; | |
548 | } | |
549 | cache_ptr->howto = &elf_d30v_howto_table[r_type]; | |
550 | return TRUE; | |
551 | } | |
552 | ||
553 | #define ELF_ARCH bfd_arch_d30v | |
554 | #define ELF_MACHINE_CODE EM_D30V | |
555 | #define ELF_MACHINE_ALT1 EM_CYGNUS_D30V | |
556 | #define ELF_MAXPAGESIZE 0x1000 | |
557 | ||
558 | #define TARGET_BIG_SYM d30v_elf32_vec | |
559 | #define TARGET_BIG_NAME "elf32-d30v" | |
560 | ||
561 | #define elf_info_to_howto d30v_info_to_howto_rela | |
562 | #define elf_info_to_howto_rel d30v_info_to_howto_rel | |
563 | #define elf_backend_object_p 0 | |
564 | ||
565 | #include "elf32-target.h" |