| 1 | /* BFD back-end for National Semiconductor's CR16C ELF |
| 2 | Copyright 2004, 2005, 2006, 2007, 2009, 2010, 2012 |
| 3 | Free Software Foundation, Inc. |
| 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 "bfdlink.h" |
| 26 | #include "elf/cr16c.h" |
| 27 | #include "elf-bfd.h" |
| 28 | |
| 29 | |
| 30 | #define USE_REL 1 /* CR16C uses REL relocations instead of RELA. */ |
| 31 | |
| 32 | /* The following definition is based on EMPTY_HOWTO macro, |
| 33 | but also initiates the "name" field in HOWTO struct. */ |
| 34 | #define ONLY_NAME_HOWTO(C) \ |
| 35 | HOWTO ((C), 0, 0, 0, FALSE, 0, complain_overflow_dont, NULL, \ |
| 36 | STRINGX(C), FALSE, 0, 0, FALSE) |
| 37 | |
| 38 | /* reloc_map_index array maps CRASM relocation type into a BFD |
| 39 | relocation enum. The array's indices are synchronized with |
| 40 | RINDEX_16C_* indices, created in include/elf/cr16c.h. |
| 41 | The array is used in: |
| 42 | 1. elf32-cr16c.c : elf_cr16c_reloc_type_lookup(). |
| 43 | 2. asreloc.c : find_reloc_type(). */ |
| 44 | |
| 45 | RELOC_MAP reloc_map_index[RINDEX_16C_MAX] = |
| 46 | { |
| 47 | {R_16C_NUM08, BFD_RELOC_16C_NUM08}, |
| 48 | {R_16C_NUM08_C, BFD_RELOC_16C_NUM08_C}, |
| 49 | {R_16C_NUM16, BFD_RELOC_16C_NUM16}, |
| 50 | {R_16C_NUM16_C, BFD_RELOC_16C_NUM16_C}, |
| 51 | {R_16C_NUM32, BFD_RELOC_16C_NUM32}, |
| 52 | {R_16C_NUM32_C, BFD_RELOC_16C_NUM32_C}, |
| 53 | {R_16C_DISP04, BFD_RELOC_16C_DISP04}, |
| 54 | {R_16C_DISP04_C, BFD_RELOC_16C_DISP04_C}, |
| 55 | {R_16C_DISP08, BFD_RELOC_16C_DISP08}, |
| 56 | {R_16C_DISP08_C, BFD_RELOC_16C_DISP08_C}, |
| 57 | {R_16C_DISP16, BFD_RELOC_16C_DISP16}, |
| 58 | {R_16C_DISP16_C, BFD_RELOC_16C_DISP16_C}, |
| 59 | {R_16C_DISP24, BFD_RELOC_16C_DISP24}, |
| 60 | {R_16C_DISP24_C, BFD_RELOC_16C_DISP24_C}, |
| 61 | {R_16C_DISP24a, BFD_RELOC_16C_DISP24a}, |
| 62 | {R_16C_DISP24a_C, BFD_RELOC_16C_DISP24a_C}, |
| 63 | {R_16C_REG04, BFD_RELOC_16C_REG04}, |
| 64 | {R_16C_REG04_C, BFD_RELOC_16C_REG04_C}, |
| 65 | {R_16C_REG04a, BFD_RELOC_16C_REG04a}, |
| 66 | {R_16C_REG04a_C, BFD_RELOC_16C_REG04a_C}, |
| 67 | {R_16C_REG14, BFD_RELOC_16C_REG14}, |
| 68 | {R_16C_REG14_C, BFD_RELOC_16C_REG14_C}, |
| 69 | {R_16C_REG16, BFD_RELOC_16C_REG16}, |
| 70 | {R_16C_REG16_C, BFD_RELOC_16C_REG16_C}, |
| 71 | {R_16C_REG20, BFD_RELOC_16C_REG20}, |
| 72 | {R_16C_REG20_C, BFD_RELOC_16C_REG20_C}, |
| 73 | {R_16C_ABS20, BFD_RELOC_16C_ABS20}, |
| 74 | {R_16C_ABS20_C, BFD_RELOC_16C_ABS20_C}, |
| 75 | {R_16C_ABS24, BFD_RELOC_16C_ABS24}, |
| 76 | {R_16C_ABS24_C, BFD_RELOC_16C_ABS24_C}, |
| 77 | {R_16C_IMM04, BFD_RELOC_16C_IMM04}, |
| 78 | {R_16C_IMM04_C, BFD_RELOC_16C_IMM04_C}, |
| 79 | {R_16C_IMM16, BFD_RELOC_16C_IMM16}, |
| 80 | {R_16C_IMM16_C, BFD_RELOC_16C_IMM16_C}, |
| 81 | {R_16C_IMM20, BFD_RELOC_16C_IMM20}, |
| 82 | {R_16C_IMM20_C, BFD_RELOC_16C_IMM20_C}, |
| 83 | {R_16C_IMM24, BFD_RELOC_16C_IMM24}, |
| 84 | {R_16C_IMM24_C, BFD_RELOC_16C_IMM24_C}, |
| 85 | {R_16C_IMM32, BFD_RELOC_16C_IMM32}, |
| 86 | {R_16C_IMM32_C, BFD_RELOC_16C_IMM32_C} |
| 87 | }; |
| 88 | |
| 89 | static reloc_howto_type elf_howto_table[] = |
| 90 | { |
| 91 | /* 00 */ ONLY_NAME_HOWTO (RINDEX_16C_NUM08), |
| 92 | /* 01 */ ONLY_NAME_HOWTO (RINDEX_16C_NUM08_C), |
| 93 | /* 02 */ ONLY_NAME_HOWTO (RINDEX_16C_NUM16), |
| 94 | /* 03 */ ONLY_NAME_HOWTO (RINDEX_16C_NUM16_C), |
| 95 | /* 04 */ ONLY_NAME_HOWTO (RINDEX_16C_NUM32), |
| 96 | /* 05 */ ONLY_NAME_HOWTO (RINDEX_16C_NUM32_C), |
| 97 | /* 06 */ ONLY_NAME_HOWTO (RINDEX_16C_DISP04), |
| 98 | /* 07 */ ONLY_NAME_HOWTO (RINDEX_16C_DISP04_C), |
| 99 | /* 08 */ ONLY_NAME_HOWTO (RINDEX_16C_DISP08), |
| 100 | /* 09 */ ONLY_NAME_HOWTO (RINDEX_16C_DISP08_C), |
| 101 | /* 10 */ ONLY_NAME_HOWTO (RINDEX_16C_DISP16), |
| 102 | /* 11 */ ONLY_NAME_HOWTO (RINDEX_16C_DISP16_C), |
| 103 | /* 12 */ ONLY_NAME_HOWTO (RINDEX_16C_DISP24), |
| 104 | /* 13 */ ONLY_NAME_HOWTO (RINDEX_16C_DISP24_C), |
| 105 | /* 14 */ ONLY_NAME_HOWTO (RINDEX_16C_DISP24a), |
| 106 | /* 15 */ ONLY_NAME_HOWTO (RINDEX_16C_DISP24a_C), |
| 107 | /* 16 */ ONLY_NAME_HOWTO (RINDEX_16C_REG04), |
| 108 | /* 17 */ ONLY_NAME_HOWTO (RINDEX_16C_REG04_C), |
| 109 | /* 18 */ ONLY_NAME_HOWTO (RINDEX_16C_REG04a), |
| 110 | /* 19 */ ONLY_NAME_HOWTO (RINDEX_16C_REG04a_C), |
| 111 | /* 20 */ ONLY_NAME_HOWTO (RINDEX_16C_REG14), |
| 112 | /* 21 */ ONLY_NAME_HOWTO (RINDEX_16C_REG14_C), |
| 113 | /* 22 */ ONLY_NAME_HOWTO (RINDEX_16C_REG16), |
| 114 | /* 23 */ ONLY_NAME_HOWTO (RINDEX_16C_REG16_C), |
| 115 | /* 24 */ ONLY_NAME_HOWTO (RINDEX_16C_REG20), |
| 116 | /* 25 */ ONLY_NAME_HOWTO (RINDEX_16C_REG20_C), |
| 117 | /* 26 */ ONLY_NAME_HOWTO (RINDEX_16C_ABS20), |
| 118 | /* 27 */ ONLY_NAME_HOWTO (RINDEX_16C_ABS20_C), |
| 119 | /* 28 */ ONLY_NAME_HOWTO (RINDEX_16C_ABS24), |
| 120 | /* 29 */ ONLY_NAME_HOWTO (RINDEX_16C_ABS24_C), |
| 121 | /* 30 */ ONLY_NAME_HOWTO (RINDEX_16C_IMM04), |
| 122 | /* 31 */ ONLY_NAME_HOWTO (RINDEX_16C_IMM04_C), |
| 123 | /* 32 */ ONLY_NAME_HOWTO (RINDEX_16C_IMM16), |
| 124 | /* 33 */ ONLY_NAME_HOWTO (RINDEX_16C_IMM16_C), |
| 125 | /* 34 */ ONLY_NAME_HOWTO (RINDEX_16C_IMM20), |
| 126 | /* 35 */ ONLY_NAME_HOWTO (RINDEX_16C_IMM20_C), |
| 127 | /* 36 */ ONLY_NAME_HOWTO (RINDEX_16C_IMM24), |
| 128 | /* 37 */ ONLY_NAME_HOWTO (RINDEX_16C_IMM24_C), |
| 129 | /* 38 */ ONLY_NAME_HOWTO (RINDEX_16C_IMM32), |
| 130 | /* 39 */ ONLY_NAME_HOWTO (RINDEX_16C_IMM32_C) |
| 131 | }; |
| 132 | |
| 133 | |
| 134 | /* Code to turn a code_type into a howto ptr, uses the above howto table. */ |
| 135 | |
| 136 | static reloc_howto_type * |
| 137 | elf_cr16c_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, |
| 138 | bfd_reloc_code_real_type code) |
| 139 | { |
| 140 | unsigned int i; |
| 141 | |
| 142 | for (i = 0; i < RINDEX_16C_MAX; i++) |
| 143 | { |
| 144 | if (code == reloc_map_index[i].bfd_reloc_enum) |
| 145 | { |
| 146 | /* printf ("CR16C Relocation Type is - %x\n", code); */ |
| 147 | return & elf_howto_table[i]; |
| 148 | } |
| 149 | } |
| 150 | |
| 151 | /* printf ("This relocation Type is not supported - %x\n", code); */ |
| 152 | return 0; |
| 153 | } |
| 154 | |
| 155 | static reloc_howto_type * |
| 156 | elf_cr16c_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, |
| 157 | const char *r_name) |
| 158 | { |
| 159 | unsigned int i; |
| 160 | |
| 161 | for (i = 0; i < sizeof (elf_howto_table) / sizeof (elf_howto_table[0]); i++) |
| 162 | if (elf_howto_table[i].name != NULL |
| 163 | && strcasecmp (elf_howto_table[i].name, r_name) == 0) |
| 164 | return &elf_howto_table[i]; |
| 165 | |
| 166 | return NULL; |
| 167 | } |
| 168 | |
| 169 | static void |
| 170 | elf_cr16c_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, |
| 171 | arelent *cache_ptr ATTRIBUTE_UNUSED, |
| 172 | Elf_Internal_Rela *dst ATTRIBUTE_UNUSED) |
| 173 | { |
| 174 | abort (); |
| 175 | } |
| 176 | |
| 177 | static void |
| 178 | elf_cr16c_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED, |
| 179 | arelent *cache_ptr, |
| 180 | Elf_Internal_Rela *dst) |
| 181 | { |
| 182 | unsigned int r_type = ELF32_R_TYPE (dst->r_info); |
| 183 | |
| 184 | BFD_ASSERT (r_type < (unsigned int) RINDEX_16C_MAX); |
| 185 | cache_ptr->howto = &elf_howto_table[r_type]; |
| 186 | } |
| 187 | |
| 188 | /* Perform a relocation as part of a final link. */ |
| 189 | |
| 190 | static bfd_reloc_status_type |
| 191 | cr16c_elf_final_link_relocate (reloc_howto_type *howto, |
| 192 | bfd *abfd, |
| 193 | bfd *output_bfd ATTRIBUTE_UNUSED, |
| 194 | asection *input_section, |
| 195 | bfd_byte *data, |
| 196 | bfd_vma octets, |
| 197 | bfd_vma Rvalue, |
| 198 | bfd_vma addend ATTRIBUTE_UNUSED, |
| 199 | struct bfd_link_info *info ATTRIBUTE_UNUSED, |
| 200 | asection *sym_sec ATTRIBUTE_UNUSED, |
| 201 | int is_local ATTRIBUTE_UNUSED) |
| 202 | { |
| 203 | long value; |
| 204 | short sword; /* Extracted from the hole and put back. */ |
| 205 | unsigned long format, addr_type, code_factor; |
| 206 | unsigned short size; |
| 207 | unsigned short r_type; |
| 208 | |
| 209 | unsigned long disp20_opcod; |
| 210 | char neg = 0; |
| 211 | char neg2pos = 0; |
| 212 | |
| 213 | long left_val = 0; |
| 214 | long plus_factor = 0; /* To be added to the hole. */ |
| 215 | |
| 216 | #define MIN_BYTE ((int) 0xFFFFFF80) |
| 217 | #define MIN_WORD ((int) 0xFFFF8000) |
| 218 | #define MAX_UWORD ((unsigned) 0x0000FFFF) |
| 219 | #define MAX_UBYTE ((unsigned) 0x000000FF) |
| 220 | |
| 221 | r_type = reloc_map_index[howto->type].cr_reloc_type; |
| 222 | format = r_type & R_FORMAT; |
| 223 | size = r_type & R_SIZESP; |
| 224 | addr_type = r_type & R_ADDRTYPE; |
| 225 | code_factor = ((addr_type == R_CODE_ADDR) ? 1 : 0); |
| 226 | |
| 227 | switch (format) |
| 228 | { |
| 229 | case R_NUMBER: |
| 230 | switch (size) |
| 231 | { |
| 232 | case R_S_16C_08: /* One byte. */ |
| 233 | value = bfd_get_8 (abfd, (char *) data + octets); |
| 234 | break; |
| 235 | case R_S_16C_16: /* Two bytes. */ |
| 236 | sword = bfd_get_16 (abfd, (bfd_byte *) data + octets); |
| 237 | value = sword; |
| 238 | break; |
| 239 | case R_S_16C_32: /* Four bytes. */ |
| 240 | value = bfd_get_32 (abfd, (bfd_byte *) data + octets); |
| 241 | break; |
| 242 | default: |
| 243 | return bfd_reloc_notsupported; |
| 244 | } |
| 245 | break; |
| 246 | |
| 247 | case R_16C_DISPL: |
| 248 | switch (size) |
| 249 | { |
| 250 | case R_S_16C_04: /* word1(4-7). */ |
| 251 | value = bfd_get_8 (abfd, (char *) data + octets); |
| 252 | left_val = value & 0xF; |
| 253 | value = (value & 0xF0) >> 4; |
| 254 | value++; |
| 255 | value <<= 1; |
| 256 | break; |
| 257 | case R_S_16C_08: /* word1(0-3,8-11). */ |
| 258 | sword = bfd_get_16 (abfd, (char *) data + octets); |
| 259 | value = sword & 0x000F; |
| 260 | value |= ((sword & 0x0F00) >> 4); |
| 261 | left_val = sword & 0xF0F0; |
| 262 | value <<= 1; |
| 263 | if (value & 0x100) |
| 264 | value |= 0xFFFFFF00; |
| 265 | break; |
| 266 | case R_S_16C_16: /* word2. */ |
| 267 | sword = bfd_get_16 (abfd, (bfd_byte *) data + octets); |
| 268 | value = sword; |
| 269 | value = ((value & 0xFFFE) >> 1) | ((value & 0x1) << 15); |
| 270 | value <<= 1; |
| 271 | if (value & 0x10000) |
| 272 | value |= 0xFFFF0000; |
| 273 | break; |
| 274 | case R_S_16C_24_a: /* word1(0-7),word2. */ |
| 275 | value = bfd_get_32 (abfd, (bfd_byte *) data + octets); |
| 276 | left_val = value & 0x0000FF00; |
| 277 | value = ((value & 0xFFFE0000) >> 17) | |
| 278 | ((value & 0x00010000) << 7) | ((value & 0x000000FF) << 15); |
| 279 | value <<= 1; |
| 280 | if (value & 0x1000000) |
| 281 | value |= 0xFE000000; |
| 282 | break; |
| 283 | case R_S_16C_24: /* word2(0-3,8-11),word3. */ |
| 284 | value = bfd_get_32 (abfd, (bfd_byte *) data + octets); |
| 285 | left_val = value & 0x0000F0F0; |
| 286 | value = ((value >> 16) & 0x0000FFFF) | |
| 287 | ((value & 0x00000F00) << 8) | ((value & 0x0000000F) << 20); |
| 288 | |
| 289 | value = ((value & 0x00FFFFFE) >> 1) | ((value & 0x00000001) << 23); |
| 290 | |
| 291 | value <<= 1; |
| 292 | if (value & 0x1000000) |
| 293 | value |= 0xFE000000; |
| 294 | break; |
| 295 | default: |
| 296 | return bfd_reloc_notsupported; |
| 297 | } |
| 298 | break; |
| 299 | |
| 300 | case R_16C_REGREL: |
| 301 | switch (size) |
| 302 | { |
| 303 | case R_S_16C_04: /* word1(12-15) not scaled. */ |
| 304 | value = bfd_get_8 (abfd, (char *) data + octets); |
| 305 | left_val = value & 0xF0; |
| 306 | value = value & 0xF; |
| 307 | break; |
| 308 | case R_S_16C_04_a: /* word1(12-15) scaled by 2. */ |
| 309 | value = bfd_get_8 (abfd, (char *) data + octets); |
| 310 | left_val = value & 0xF0; |
| 311 | value = value & 0xF; |
| 312 | value <<= 1; |
| 313 | break; |
| 314 | case R_S_16C_14: /* word1(4-5),word2(0-3,8-15). */ |
| 315 | value = bfd_get_32 (abfd, (bfd_byte *) data + octets); |
| 316 | left_val = value & 0x00F0FFCF; |
| 317 | value = ((value & 0xc0000000) >> 24) | |
| 318 | ((value & 0x3F000000) >> 16) | |
| 319 | ((value & 0x000F0000) >> 16) | (value & 0x00000030); |
| 320 | break; |
| 321 | case R_S_16C_16: /* word2. */ |
| 322 | sword = bfd_get_16 (abfd, (bfd_byte *) data + octets); |
| 323 | value = sword; |
| 324 | break; |
| 325 | case R_S_16C_20: /* word2(8-11),word3. */ |
| 326 | value = bfd_get_32 (abfd, (bfd_byte *) data + octets); |
| 327 | left_val = value & 0xF0; |
| 328 | value = (value & 0xF) << 16; |
| 329 | sword = bfd_get_16 (abfd, (bfd_byte *) data + octets + 1); |
| 330 | value = value | (unsigned short) sword; |
| 331 | disp20_opcod = bfd_get_32 (abfd, (bfd_byte *) data + octets - 3); |
| 332 | disp20_opcod |= 0x0FFF0000; |
| 333 | if ((disp20_opcod == 0x4FFF0018) || /* loadb -disp20(reg) */ |
| 334 | (disp20_opcod == 0x5FFF0018) || /* loadb -disp20(rp) */ |
| 335 | (disp20_opcod == 0x8FFF0018) || /* loadd -disp20(reg) */ |
| 336 | (disp20_opcod == 0x9FFF0018) || /* loadd -disp20(rp) */ |
| 337 | (disp20_opcod == 0xCFFF0018) || /* loadw -disp20(reg) */ |
| 338 | (disp20_opcod == 0xDFFF0018) || /* loadw -disp20(rp) */ |
| 339 | (disp20_opcod == 0x4FFF0019) || /* storb -disp20(reg) */ |
| 340 | (disp20_opcod == 0x5FFF0019) || /* storb -disp20(rp) */ |
| 341 | (disp20_opcod == 0x8FFF0019) || /* stord -disp20(reg) */ |
| 342 | (disp20_opcod == 0x9FFF0019) || /* stord -disp20(rp) */ |
| 343 | (disp20_opcod == 0xCFFF0019) || /* storw -disp20(reg) */ |
| 344 | (disp20_opcod == 0xDFFF0019)) |
| 345 | { /* storw -disp20(rp). */ |
| 346 | neg = 1; |
| 347 | value |= 0xFFF00000; |
| 348 | } |
| 349 | |
| 350 | break; |
| 351 | default: |
| 352 | return bfd_reloc_notsupported; |
| 353 | } |
| 354 | break; |
| 355 | |
| 356 | case R_16C_ABS: |
| 357 | switch (size) |
| 358 | { |
| 359 | case R_S_16C_20: /* word1(0-3),word2. */ |
| 360 | value = bfd_get_32 (abfd, (bfd_byte *) data + octets); |
| 361 | left_val = value & 0x0000FFF0; |
| 362 | value = ((value & 0xFFFF0000) >> 16) | |
| 363 | ((value & 0x0000000F) << 16); |
| 364 | break; |
| 365 | case R_S_16C_24: /* word2(0-3,8-11),word3. */ |
| 366 | value = bfd_get_32 (abfd, (bfd_byte *) data + octets); |
| 367 | left_val = value & 0x0000F0F0; |
| 368 | value = ((value & 0xFFFF0000) >> 16) | |
| 369 | ((value & 0x00000F00) << 8) | ((value & 0x0000000F) << 20); |
| 370 | break; |
| 371 | default: |
| 372 | return bfd_reloc_notsupported; |
| 373 | } |
| 374 | break; |
| 375 | |
| 376 | case R_16C_IMMED: |
| 377 | switch (size) |
| 378 | { |
| 379 | case R_S_16C_04: /* word1/2(4-7). */ |
| 380 | value = bfd_get_8 (abfd, (char *) data + octets); |
| 381 | left_val = value & 0xF; |
| 382 | value = (value & 0xF0) >> 4; |
| 383 | break; |
| 384 | case R_S_16C_16: /* word2. */ |
| 385 | sword = bfd_get_16 (abfd, (bfd_byte *) data + octets); |
| 386 | value = sword; |
| 387 | break; |
| 388 | case R_S_16C_20: /* word1(0-3),word2. */ |
| 389 | value = bfd_get_32 (abfd, (bfd_byte *) data + octets); |
| 390 | left_val = value & 0x0000FFF0; |
| 391 | value = ((value & 0xFFFF0000) >> 16) | |
| 392 | ((value & 0x0000000F) << 16); |
| 393 | break; |
| 394 | case R_S_16C_32: /* word2, word3. */ |
| 395 | value = bfd_get_32 (abfd, (bfd_byte *) data + octets); |
| 396 | value = ((value & 0x0000FFFF) << 16) | |
| 397 | ((value & 0xFFFF0000) >> 16); |
| 398 | break; |
| 399 | default: |
| 400 | return bfd_reloc_notsupported; |
| 401 | } |
| 402 | break; |
| 403 | default: |
| 404 | return bfd_reloc_notsupported; |
| 405 | } |
| 406 | |
| 407 | switch ((r_type & R_RELTO) >> 4) |
| 408 | { |
| 409 | |
| 410 | case 0: /* R_ABS. */ |
| 411 | plus_factor = Rvalue; |
| 412 | break; |
| 413 | case 1: /* R_PCREL. */ |
| 414 | plus_factor = Rvalue - |
| 415 | (input_section->output_section->vma + input_section->output_offset); |
| 416 | break; |
| 417 | default: |
| 418 | return bfd_reloc_notsupported; |
| 419 | } |
| 420 | |
| 421 | if (neg) |
| 422 | { |
| 423 | if (plus_factor >= -value) |
| 424 | neg2pos = 1; |
| 425 | /* We need to change load/stor with negative |
| 426 | displ opcode to positive disp opcode (CR16C). */ |
| 427 | } |
| 428 | |
| 429 | value = value + (plus_factor >> code_factor); |
| 430 | |
| 431 | switch (format) |
| 432 | { |
| 433 | case R_NUMBER: |
| 434 | switch (size) |
| 435 | { |
| 436 | case R_S_16C_08: /* One byte. */ |
| 437 | if (value > (int) MAX_UBYTE || value < MIN_BYTE) |
| 438 | return bfd_reloc_overflow; |
| 439 | value &= 0xFF; |
| 440 | bfd_put_8 (abfd, (bfd_vma) value, (unsigned char *) data + octets); |
| 441 | break; |
| 442 | |
| 443 | case R_S_16C_16: /* Two bytes. */ |
| 444 | if (value > (int) MAX_UWORD || value < MIN_WORD) |
| 445 | return bfd_reloc_overflow; |
| 446 | value &= 0xFFFF; |
| 447 | sword = value; |
| 448 | bfd_put_16 (abfd, (bfd_vma) sword, |
| 449 | (unsigned char *) data + octets); |
| 450 | break; |
| 451 | |
| 452 | case R_S_16C_32: /* Four bytes. */ |
| 453 | value &= 0xFFFFFFFF; |
| 454 | bfd_put_32 (abfd, (bfd_vma) value, (bfd_byte *) data + octets); |
| 455 | break; |
| 456 | |
| 457 | default: |
| 458 | return bfd_reloc_notsupported; |
| 459 | } |
| 460 | break; |
| 461 | |
| 462 | case R_16C_DISPL: |
| 463 | switch (size) |
| 464 | { |
| 465 | case R_S_16C_04: /* word1(4-7). */ |
| 466 | if ((value - 32) > 32 || value < 2) |
| 467 | return bfd_reloc_overflow; |
| 468 | value >>= 1; |
| 469 | value--; |
| 470 | value &= 0xF; |
| 471 | value <<= 4; |
| 472 | value |= left_val; |
| 473 | bfd_put_8 (abfd, (bfd_vma) value, (unsigned char *) data + octets); |
| 474 | break; |
| 475 | |
| 476 | case R_S_16C_08: /* word1(0-3,8-11). */ |
| 477 | if (value > 255 || value < -256 || value == 0x80) |
| 478 | return bfd_reloc_overflow; |
| 479 | value &= 0x1FF; |
| 480 | value >>= 1; |
| 481 | sword = value & 0x000F; |
| 482 | sword |= (value & 0x00F0) << 4; |
| 483 | sword |= left_val; |
| 484 | bfd_put_16 (abfd, (bfd_vma) sword, |
| 485 | (unsigned char *) data + octets); |
| 486 | break; |
| 487 | |
| 488 | case R_S_16C_16: /* word2. */ |
| 489 | if (value > 65535 || value < -65536) |
| 490 | return bfd_reloc_overflow; |
| 491 | value >>= 1; |
| 492 | value &= 0xFFFF; |
| 493 | value = ((value & 0x8000) >> 15) | ((value & 0x7FFF) << 1); |
| 494 | sword = value; |
| 495 | bfd_put_16 (abfd, (bfd_vma) sword, |
| 496 | (unsigned char *) data + octets); |
| 497 | break; |
| 498 | |
| 499 | case R_S_16C_24_a: /* word1(0-7),word2. */ |
| 500 | if (value > 16777215 || value < -16777216) |
| 501 | return bfd_reloc_overflow; |
| 502 | value &= 0x1FFFFFF; |
| 503 | value >>= 1; |
| 504 | value = ((value & 0x00007FFF) << 17) | |
| 505 | ((value & 0x00800000) >> 7) | ((value & 0x007F8000) >> 15); |
| 506 | value |= left_val; |
| 507 | bfd_put_32 (abfd, (bfd_vma) value, (bfd_byte *) data + octets); |
| 508 | break; |
| 509 | |
| 510 | case R_S_16C_24: /* word2(0-3,8-11),word3. */ |
| 511 | if (value > 16777215 || value < -16777216) |
| 512 | return bfd_reloc_overflow; |
| 513 | value &= 0x1FFFFFF; |
| 514 | value >>= 1; |
| 515 | |
| 516 | value = ((value & 0x007FFFFF) << 1) | ((value & 0x00800000) >> 23); |
| 517 | |
| 518 | value = ((value & 0x0000FFFF) << 16) | |
| 519 | ((value & 0x000F0000) >> 8) | ((value & 0x00F00000) >> 20); |
| 520 | value |= left_val; |
| 521 | bfd_put_32 (abfd, (bfd_vma) value, (bfd_byte *) data + octets); |
| 522 | break; |
| 523 | |
| 524 | default: |
| 525 | return bfd_reloc_notsupported; |
| 526 | } |
| 527 | break; |
| 528 | |
| 529 | case R_16C_REGREL: |
| 530 | switch (size) |
| 531 | { |
| 532 | case R_S_16C_04: /* word1(12-15) not scaled. */ |
| 533 | if (value > 13 || value < 0) |
| 534 | return bfd_reloc_overflow; |
| 535 | value &= 0xF; |
| 536 | value |= left_val; |
| 537 | bfd_put_8 (abfd, (bfd_vma) value, (unsigned char *) data + octets); |
| 538 | break; |
| 539 | |
| 540 | case R_S_16C_04_a: /* word1(12-15) not scaled. */ |
| 541 | if (value > 26 || value < 0) |
| 542 | return bfd_reloc_overflow; |
| 543 | value &= 0x1F; |
| 544 | value >>= 1; |
| 545 | value |= left_val; |
| 546 | bfd_put_8 (abfd, (bfd_vma) value, (unsigned char *) data + octets); |
| 547 | break; |
| 548 | |
| 549 | case R_S_16C_14: /* word1(4-5),word2(0-3,8-15). */ |
| 550 | if (value < 0 || value > 16383) |
| 551 | return bfd_reloc_overflow; |
| 552 | value &= 0x3FFF; |
| 553 | value = ((value & 0x000000c0) << 24) | |
| 554 | ((value & 0x00003F00) << 16) | |
| 555 | ((value & 0x0000000F) << 16) | (value & 0x00000030); |
| 556 | value |= left_val; |
| 557 | bfd_put_32 (abfd, (bfd_vma) value, (bfd_byte *) data + octets); |
| 558 | break; |
| 559 | |
| 560 | case R_S_16C_16: /* word2. */ |
| 561 | if (value > 65535 || value < 0) |
| 562 | return bfd_reloc_overflow; |
| 563 | value &= 0xFFFF; |
| 564 | sword = value; |
| 565 | bfd_put_16 (abfd, (bfd_vma) sword, |
| 566 | (unsigned char *) data + octets); |
| 567 | break; |
| 568 | |
| 569 | case R_S_16C_20: /* word2(8-11),word3. */ |
| 570 | /* if (value > 1048575 || value < 0) RELOC_ERROR(1); */ |
| 571 | value &= 0xFFFFF; |
| 572 | sword = value & 0x0000FFFF; |
| 573 | value = (value & 0x000F0000) >> 16; |
| 574 | value |= left_val; |
| 575 | bfd_put_8 (abfd, (bfd_vma) value, (unsigned char *) data + octets); |
| 576 | bfd_put_16 (abfd, (bfd_vma) sword, |
| 577 | (unsigned char *) data + octets + 1); |
| 578 | if (neg2pos) |
| 579 | { |
| 580 | /* Change load/stor negative displ opcode |
| 581 | to load/stor positive displ opcode. */ |
| 582 | value = bfd_get_8 (abfd, (char *) data + octets - 3); |
| 583 | value &= 0xF7; |
| 584 | value |= 0x2; |
| 585 | bfd_put_8 (abfd, (bfd_vma) value, |
| 586 | (unsigned char *) data + octets - 3); |
| 587 | } |
| 588 | break; |
| 589 | |
| 590 | default: |
| 591 | return bfd_reloc_notsupported; |
| 592 | } |
| 593 | break; |
| 594 | |
| 595 | case R_16C_ABS: |
| 596 | switch (size) |
| 597 | { |
| 598 | case R_S_16C_20: /* word1(0-3),word2. */ |
| 599 | if (value > 1048575 || value < 0) |
| 600 | return bfd_reloc_overflow; |
| 601 | value &= 0xFFFFF; |
| 602 | value = ((value & 0x0000FFFF) << 16) | |
| 603 | ((value & 0x000F0000) >> 16); |
| 604 | value |= left_val; |
| 605 | bfd_put_32 (abfd, (bfd_vma) value, (bfd_byte *) data + octets); |
| 606 | break; |
| 607 | |
| 608 | case R_S_16C_24: /* word2(0-3,8-11),word3. */ |
| 609 | /* if (value > 16777215 || value < 0) RELOC_ERROR(1); */ |
| 610 | value &= 0xFFFFFF; |
| 611 | value = ((value & 0x0000FFFF) << 16) | |
| 612 | ((value & 0x000F0000) >> 8) | ((value & 0x00F00000) >> 20); |
| 613 | value |= left_val; |
| 614 | bfd_put_32 (abfd, (bfd_vma) value, (bfd_byte *) data + octets); |
| 615 | break; |
| 616 | |
| 617 | default: |
| 618 | return bfd_reloc_notsupported; |
| 619 | } |
| 620 | break; |
| 621 | |
| 622 | case R_16C_IMMED: |
| 623 | switch (size) |
| 624 | { |
| 625 | case R_S_16C_04: /* word1/2(4-7). */ |
| 626 | if (value > 15 || value < -1) |
| 627 | return bfd_reloc_overflow; |
| 628 | value &= 0xF; |
| 629 | value <<= 4; |
| 630 | value |= left_val; |
| 631 | bfd_put_8 (abfd, (bfd_vma) value, (unsigned char *) data + octets); |
| 632 | break; |
| 633 | |
| 634 | case R_S_16C_16: /* word2. */ |
| 635 | if (value > 32767 || value < -32768) |
| 636 | return bfd_reloc_overflow; |
| 637 | value &= 0xFFFF; |
| 638 | sword = value; |
| 639 | bfd_put_16 (abfd, (bfd_vma) sword, |
| 640 | (unsigned char *) data + octets); |
| 641 | break; |
| 642 | |
| 643 | case R_S_16C_20: /* word1(0-3),word2. */ |
| 644 | if (value > 1048575 || value < 0) |
| 645 | return bfd_reloc_overflow; |
| 646 | value &= 0xFFFFF; |
| 647 | value = ((value & 0x0000FFFF) << 16) | |
| 648 | ((value & 0x000F0000) >> 16); |
| 649 | value |= left_val; |
| 650 | bfd_put_32 (abfd, (bfd_vma) value, (bfd_byte *) data + octets); |
| 651 | break; |
| 652 | |
| 653 | case R_S_16C_32: /* word2, word3. */ |
| 654 | value &= 0xFFFFFFFF; |
| 655 | value = ((value & 0x0000FFFF) << 16) | |
| 656 | ((value & 0xFFFF0000) >> 16); |
| 657 | bfd_put_32 (abfd, (bfd_vma) value, (bfd_byte *) data + octets); |
| 658 | break; |
| 659 | |
| 660 | default: |
| 661 | return bfd_reloc_notsupported; |
| 662 | } |
| 663 | break; |
| 664 | default: |
| 665 | return bfd_reloc_notsupported; |
| 666 | } |
| 667 | |
| 668 | return bfd_reloc_ok; |
| 669 | } |
| 670 | |
| 671 | /* Relocate a CR16C ELF section. */ |
| 672 | |
| 673 | static bfd_boolean |
| 674 | elf32_cr16c_relocate_section (bfd *output_bfd, |
| 675 | struct bfd_link_info *info, |
| 676 | bfd *input_bfd, |
| 677 | asection *input_section, |
| 678 | bfd_byte *contents, |
| 679 | Elf_Internal_Rela *relocs, |
| 680 | Elf_Internal_Sym *local_syms, |
| 681 | asection **local_sections) |
| 682 | { |
| 683 | Elf_Internal_Shdr *symtab_hdr; |
| 684 | struct elf_link_hash_entry **sym_hashes; |
| 685 | Elf_Internal_Rela *rel, *relend; |
| 686 | |
| 687 | symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr; |
| 688 | sym_hashes = elf_sym_hashes (input_bfd); |
| 689 | |
| 690 | rel = relocs; |
| 691 | relend = relocs + input_section->reloc_count; |
| 692 | for (; rel < relend; rel++) |
| 693 | { |
| 694 | int r_type; |
| 695 | reloc_howto_type *howto; |
| 696 | unsigned long r_symndx; |
| 697 | Elf_Internal_Sym *sym; |
| 698 | asection *sec; |
| 699 | struct elf_link_hash_entry *h; |
| 700 | bfd_vma relocation; |
| 701 | bfd_reloc_status_type r; |
| 702 | |
| 703 | r_symndx = ELF32_R_SYM (rel->r_info); |
| 704 | r_type = ELF32_R_TYPE (rel->r_info); |
| 705 | howto = elf_howto_table + r_type; |
| 706 | |
| 707 | h = NULL; |
| 708 | sym = NULL; |
| 709 | sec = NULL; |
| 710 | if (r_symndx < symtab_hdr->sh_info) |
| 711 | { |
| 712 | sym = local_syms + r_symndx; |
| 713 | sec = local_sections[r_symndx]; |
| 714 | relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel); |
| 715 | } |
| 716 | else |
| 717 | { |
| 718 | bfd_boolean unresolved_reloc, warned; |
| 719 | |
| 720 | RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel, |
| 721 | r_symndx, symtab_hdr, sym_hashes, |
| 722 | h, sec, relocation, |
| 723 | unresolved_reloc, warned); |
| 724 | } |
| 725 | |
| 726 | if (sec != NULL && discarded_section (sec)) |
| 727 | RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section, |
| 728 | rel, 1, relend, howto, 0, contents); |
| 729 | |
| 730 | if (info->relocatable) |
| 731 | { |
| 732 | /* This is a relocatable link. We don't have to change |
| 733 | anything, unless the reloc is against a section symbol, |
| 734 | in which case we have to adjust according to where the |
| 735 | section symbol winds up in the output section. */ |
| 736 | if (sym != NULL && ELF_ST_TYPE (sym->st_info) == STT_SECTION) |
| 737 | rel->r_addend += sec->output_offset; |
| 738 | continue; |
| 739 | } |
| 740 | |
| 741 | r = cr16c_elf_final_link_relocate (howto, input_bfd, output_bfd, |
| 742 | input_section, |
| 743 | contents, rel->r_offset, |
| 744 | relocation, rel->r_addend, |
| 745 | info, sec, h == NULL); |
| 746 | |
| 747 | if (r != bfd_reloc_ok) |
| 748 | { |
| 749 | const char *name; |
| 750 | const char *msg = (const char *) 0; |
| 751 | |
| 752 | if (h != NULL) |
| 753 | name = h->root.root.string; |
| 754 | else |
| 755 | { |
| 756 | name = (bfd_elf_string_from_elf_section |
| 757 | (input_bfd, symtab_hdr->sh_link, sym->st_name)); |
| 758 | if (name == NULL || *name == '\0') |
| 759 | name = bfd_section_name (input_bfd, sec); |
| 760 | } |
| 761 | |
| 762 | switch (r) |
| 763 | { |
| 764 | case bfd_reloc_overflow: |
| 765 | if (!((*info->callbacks->reloc_overflow) |
| 766 | (info, (h ? &h->root : NULL), name, howto->name, |
| 767 | (bfd_vma) 0, input_bfd, input_section, |
| 768 | rel->r_offset))) |
| 769 | return FALSE; |
| 770 | break; |
| 771 | |
| 772 | case bfd_reloc_undefined: |
| 773 | if (!((*info->callbacks->undefined_symbol) |
| 774 | (info, name, input_bfd, input_section, |
| 775 | rel->r_offset, TRUE))) |
| 776 | return FALSE; |
| 777 | break; |
| 778 | |
| 779 | case bfd_reloc_outofrange: |
| 780 | msg = _("internal error: out of range error"); |
| 781 | goto common_error; |
| 782 | |
| 783 | case bfd_reloc_notsupported: |
| 784 | msg = _("internal error: unsupported relocation error"); |
| 785 | goto common_error; |
| 786 | |
| 787 | case bfd_reloc_dangerous: |
| 788 | msg = _("internal error: dangerous error"); |
| 789 | goto common_error; |
| 790 | |
| 791 | default: |
| 792 | msg = _("internal error: unknown error"); |
| 793 | /* fall through */ |
| 794 | |
| 795 | common_error: |
| 796 | if (!((*info->callbacks->warning) |
| 797 | (info, msg, name, input_bfd, input_section, |
| 798 | rel->r_offset))) |
| 799 | return FALSE; |
| 800 | break; |
| 801 | } |
| 802 | } |
| 803 | } |
| 804 | |
| 805 | return TRUE; |
| 806 | } |
| 807 | |
| 808 | /* CR16C ELF uses three common sections: |
| 809 | One is for default common symbols (placed in usual common section). |
| 810 | Second is for near common symbols (placed in "ncommon" section). |
| 811 | Third is for far common symbols (placed in "fcommon" section). |
| 812 | The following implementation is based on elf32-mips architecture */ |
| 813 | |
| 814 | static asection cr16c_elf_fcom_section; |
| 815 | static asymbol cr16c_elf_fcom_symbol; |
| 816 | static asymbol * cr16c_elf_fcom_symbol_ptr; |
| 817 | static asection cr16c_elf_ncom_section; |
| 818 | static asymbol cr16c_elf_ncom_symbol; |
| 819 | static asymbol * cr16c_elf_ncom_symbol_ptr; |
| 820 | |
| 821 | /* Given a BFD section, try to locate the |
| 822 | corresponding ELF section index. */ |
| 823 | |
| 824 | static bfd_boolean |
| 825 | elf32_cr16c_section_from_bfd_section (bfd *abfd ATTRIBUTE_UNUSED, |
| 826 | asection *sec, |
| 827 | int *retval) |
| 828 | { |
| 829 | if (strcmp (bfd_get_section_name (abfd, sec), ".fcommon") == 0) |
| 830 | *retval = SHN_CR16C_FCOMMON; |
| 831 | else if (strcmp (bfd_get_section_name (abfd, sec), ".ncommon") == 0) |
| 832 | *retval = SHN_CR16C_NCOMMON; |
| 833 | else |
| 834 | return FALSE; |
| 835 | |
| 836 | return TRUE; |
| 837 | } |
| 838 | |
| 839 | /* Handle the special CR16C section numbers that a symbol may use. */ |
| 840 | |
| 841 | static void |
| 842 | elf32_cr16c_symbol_processing (bfd *abfd ATTRIBUTE_UNUSED, |
| 843 | asymbol *asym) |
| 844 | { |
| 845 | elf_symbol_type *elfsym = (elf_symbol_type *) asym; |
| 846 | unsigned int indx; |
| 847 | |
| 848 | indx = elfsym->internal_elf_sym.st_shndx; |
| 849 | |
| 850 | switch (indx) |
| 851 | { |
| 852 | case SHN_CR16C_FCOMMON: |
| 853 | if (cr16c_elf_fcom_section.name == NULL) |
| 854 | { |
| 855 | /* Initialize the far common section. */ |
| 856 | cr16c_elf_fcom_section.name = ".fcommon"; |
| 857 | cr16c_elf_fcom_section.flags = SEC_IS_COMMON | SEC_ALLOC; |
| 858 | cr16c_elf_fcom_section.output_section = &cr16c_elf_fcom_section; |
| 859 | cr16c_elf_fcom_section.symbol = &cr16c_elf_fcom_symbol; |
| 860 | cr16c_elf_fcom_section.symbol_ptr_ptr = &cr16c_elf_fcom_symbol_ptr; |
| 861 | cr16c_elf_fcom_symbol.name = ".fcommon"; |
| 862 | cr16c_elf_fcom_symbol.flags = BSF_SECTION_SYM; |
| 863 | cr16c_elf_fcom_symbol.section = &cr16c_elf_fcom_section; |
| 864 | cr16c_elf_fcom_symbol_ptr = &cr16c_elf_fcom_symbol; |
| 865 | } |
| 866 | asym->section = &cr16c_elf_fcom_section; |
| 867 | asym->value = elfsym->internal_elf_sym.st_size; |
| 868 | break; |
| 869 | case SHN_CR16C_NCOMMON: |
| 870 | if (cr16c_elf_ncom_section.name == NULL) |
| 871 | { |
| 872 | /* Initialize the far common section. */ |
| 873 | cr16c_elf_ncom_section.name = ".ncommon"; |
| 874 | cr16c_elf_ncom_section.flags = SEC_IS_COMMON | SEC_ALLOC; |
| 875 | cr16c_elf_ncom_section.output_section = &cr16c_elf_ncom_section; |
| 876 | cr16c_elf_ncom_section.symbol = &cr16c_elf_ncom_symbol; |
| 877 | cr16c_elf_ncom_section.symbol_ptr_ptr = &cr16c_elf_ncom_symbol_ptr; |
| 878 | cr16c_elf_ncom_symbol.name = ".ncommon"; |
| 879 | cr16c_elf_ncom_symbol.flags = BSF_SECTION_SYM; |
| 880 | cr16c_elf_ncom_symbol.section = &cr16c_elf_ncom_section; |
| 881 | cr16c_elf_ncom_symbol_ptr = &cr16c_elf_ncom_symbol; |
| 882 | } |
| 883 | asym->section = &cr16c_elf_ncom_section; |
| 884 | asym->value = elfsym->internal_elf_sym.st_size; |
| 885 | break; |
| 886 | } |
| 887 | } |
| 888 | |
| 889 | /* Hook called by the linker routine which adds symbols from an object |
| 890 | file. We must handle the special cr16c section numbers here. */ |
| 891 | |
| 892 | static bfd_boolean |
| 893 | elf32_cr16c_add_symbol_hook (bfd *abfd, |
| 894 | struct bfd_link_info *info ATTRIBUTE_UNUSED, |
| 895 | Elf_Internal_Sym *sym, |
| 896 | const char **namep ATTRIBUTE_UNUSED, |
| 897 | flagword *flagsp ATTRIBUTE_UNUSED, |
| 898 | asection **secp, |
| 899 | bfd_vma *valp) |
| 900 | { |
| 901 | unsigned int indx = sym->st_shndx; |
| 902 | |
| 903 | switch (indx) |
| 904 | { |
| 905 | case SHN_CR16C_FCOMMON: |
| 906 | *secp = bfd_make_section_old_way (abfd, ".fcommon"); |
| 907 | (*secp)->flags |= SEC_IS_COMMON; |
| 908 | *valp = sym->st_size; |
| 909 | break; |
| 910 | case SHN_CR16C_NCOMMON: |
| 911 | *secp = bfd_make_section_old_way (abfd, ".ncommon"); |
| 912 | (*secp)->flags |= SEC_IS_COMMON; |
| 913 | *valp = sym->st_size; |
| 914 | break; |
| 915 | } |
| 916 | |
| 917 | return TRUE; |
| 918 | } |
| 919 | |
| 920 | static int |
| 921 | elf32_cr16c_link_output_symbol_hook (struct bfd_link_info *info ATTRIBUTE_UNUSED, |
| 922 | const char *name ATTRIBUTE_UNUSED, |
| 923 | Elf_Internal_Sym *sym, |
| 924 | asection *input_sec, |
| 925 | struct elf_link_hash_entry *h ATTRIBUTE_UNUSED) |
| 926 | { |
| 927 | /* If we see a common symbol, which implies a relocatable link, then |
| 928 | if a symbol was in a special common section in an input file, mark |
| 929 | it as a special common in the output file. */ |
| 930 | |
| 931 | if (sym->st_shndx == SHN_COMMON) |
| 932 | { |
| 933 | if (strcmp (input_sec->name, ".fcommon") == 0) |
| 934 | sym->st_shndx = SHN_CR16C_FCOMMON; |
| 935 | else if (strcmp (input_sec->name, ".ncommon") == 0) |
| 936 | sym->st_shndx = SHN_CR16C_NCOMMON; |
| 937 | } |
| 938 | |
| 939 | return 1; |
| 940 | } |
| 941 | |
| 942 | /* Definitions for setting CR16C target vector. */ |
| 943 | #define TARGET_LITTLE_SYM bfd_elf32_cr16c_vec |
| 944 | #define TARGET_LITTLE_NAME "elf32-cr16c" |
| 945 | #define ELF_ARCH bfd_arch_cr16c |
| 946 | #define ELF_MACHINE_CODE EM_CR |
| 947 | #define ELF_MAXPAGESIZE 0x1 |
| 948 | #define elf_symbol_leading_char '_' |
| 949 | |
| 950 | #define bfd_elf32_bfd_reloc_type_lookup elf_cr16c_reloc_type_lookup |
| 951 | #define bfd_elf32_bfd_reloc_name_lookup elf_cr16c_reloc_name_lookup |
| 952 | #define elf_info_to_howto elf_cr16c_info_to_howto |
| 953 | #define elf_info_to_howto_rel elf_cr16c_info_to_howto_rel |
| 954 | #define elf_backend_relocate_section elf32_cr16c_relocate_section |
| 955 | #define elf_backend_symbol_processing elf32_cr16c_symbol_processing |
| 956 | #define elf_backend_section_from_bfd_section elf32_cr16c_section_from_bfd_section |
| 957 | #define elf_backend_add_symbol_hook elf32_cr16c_add_symbol_hook |
| 958 | #define elf_backend_link_output_symbol_hook elf32_cr16c_link_output_symbol_hook |
| 959 | |
| 960 | #define elf_backend_can_gc_sections 1 |
| 961 | |
| 962 | #include "elf32-target.h" |