| 1 | /* D30V-specific support for 32-bit ELF |
| 2 | Copyright (C) 1997-2018 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 void |
| 512 | d30v_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED, |
| 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 (_("%B: invalid D30V reloc number: %d"), abfd, r_type); |
| 523 | r_type = 0; |
| 524 | } |
| 525 | cache_ptr->howto = &elf_d30v_howto_table[r_type]; |
| 526 | } |
| 527 | |
| 528 | /* Set the howto pointer for an D30V ELF reloc (type RELA). */ |
| 529 | |
| 530 | static void |
| 531 | d30v_info_to_howto_rela (bfd *abfd ATTRIBUTE_UNUSED, |
| 532 | arelent *cache_ptr, |
| 533 | Elf_Internal_Rela *dst) |
| 534 | { |
| 535 | unsigned int r_type; |
| 536 | |
| 537 | r_type = ELF32_R_TYPE (dst->r_info); |
| 538 | if (r_type >= (unsigned int) R_D30V_max) |
| 539 | { |
| 540 | /* xgettext:c-format */ |
| 541 | _bfd_error_handler (_("%B: invalid D30V reloc number: %d"), abfd, r_type); |
| 542 | r_type = 0; |
| 543 | } |
| 544 | cache_ptr->howto = &elf_d30v_howto_table[r_type]; |
| 545 | } |
| 546 | |
| 547 | #define ELF_ARCH bfd_arch_d30v |
| 548 | #define ELF_MACHINE_CODE EM_D30V |
| 549 | #define ELF_MACHINE_ALT1 EM_CYGNUS_D30V |
| 550 | #define ELF_MAXPAGESIZE 0x1000 |
| 551 | |
| 552 | #define TARGET_BIG_SYM d30v_elf32_vec |
| 553 | #define TARGET_BIG_NAME "elf32-d30v" |
| 554 | |
| 555 | #define elf_info_to_howto d30v_info_to_howto_rela |
| 556 | #define elf_info_to_howto_rel d30v_info_to_howto_rel |
| 557 | #define elf_backend_object_p 0 |
| 558 | #define elf_backend_final_write_processing 0 |
| 559 | |
| 560 | #include "elf32-target.h" |