| 1 | /* Xstormy16-specific support for 32-bit ELF. |
| 2 | Copyright 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 |
| 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 "elf-bfd.h" |
| 26 | #include "elf/xstormy16.h" |
| 27 | #include "libiberty.h" |
| 28 | |
| 29 | /* Handle the R_XSTORMY16_24 reloc, which has an odd bit arrangement. */ |
| 30 | |
| 31 | static bfd_reloc_status_type |
| 32 | xstormy16_elf_24_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 ATTRIBUTE_UNUSED) |
| 39 | { |
| 40 | bfd_vma relocation, x; |
| 41 | |
| 42 | if (output_bfd != NULL) |
| 43 | { |
| 44 | reloc_entry->address += input_section->output_offset; |
| 45 | return bfd_reloc_ok; |
| 46 | } |
| 47 | |
| 48 | if (reloc_entry->address > bfd_get_section_limit (abfd, input_section)) |
| 49 | return bfd_reloc_outofrange; |
| 50 | |
| 51 | if (bfd_is_com_section (symbol->section)) |
| 52 | relocation = 0; |
| 53 | else |
| 54 | relocation = symbol->value; |
| 55 | |
| 56 | relocation += symbol->section->output_section->vma; |
| 57 | relocation += symbol->section->output_offset; |
| 58 | relocation += reloc_entry->addend; |
| 59 | |
| 60 | x = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address); |
| 61 | x &= 0x0000ff00; |
| 62 | x |= relocation & 0xff; |
| 63 | x |= (relocation << 8) & 0xffff0000; |
| 64 | bfd_put_32 (abfd, x, (bfd_byte *) data + reloc_entry->address); |
| 65 | |
| 66 | if (relocation & ~ (bfd_vma) 0xffffff) |
| 67 | return bfd_reloc_overflow; |
| 68 | |
| 69 | return bfd_reloc_ok; |
| 70 | } |
| 71 | |
| 72 | static reloc_howto_type xstormy16_elf_howto_table [] = |
| 73 | { |
| 74 | /* This reloc does nothing. */ |
| 75 | HOWTO (R_XSTORMY16_NONE, /* type */ |
| 76 | 0, /* rightshift */ |
| 77 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 78 | 32, /* bitsize */ |
| 79 | FALSE, /* pc_relative */ |
| 80 | 0, /* bitpos */ |
| 81 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 82 | bfd_elf_generic_reloc, /* special_function */ |
| 83 | "R_XSTORMY16_NONE", /* name */ |
| 84 | FALSE, /* partial_inplace */ |
| 85 | 0, /* src_mask */ |
| 86 | 0, /* dst_mask */ |
| 87 | FALSE), /* pcrel_offset */ |
| 88 | |
| 89 | /* A 32 bit absolute relocation. */ |
| 90 | HOWTO (R_XSTORMY16_32, /* type */ |
| 91 | 0, /* rightshift */ |
| 92 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 93 | 32, /* bitsize */ |
| 94 | FALSE, /* pc_relative */ |
| 95 | 0, /* bitpos */ |
| 96 | complain_overflow_dont, /* complain_on_overflow */ |
| 97 | bfd_elf_generic_reloc, /* special_function */ |
| 98 | "R_XSTORMY16_32", /* name */ |
| 99 | FALSE, /* partial_inplace */ |
| 100 | 0, /* src_mask */ |
| 101 | 0xffffffff, /* dst_mask */ |
| 102 | FALSE), /* pcrel_offset */ |
| 103 | |
| 104 | /* A 16 bit absolute relocation. */ |
| 105 | HOWTO (R_XSTORMY16_16, /* type */ |
| 106 | 0, /* rightshift */ |
| 107 | 1, /* size (0 = byte, 1 = short, 2 = long) */ |
| 108 | 16, /* bitsize */ |
| 109 | FALSE, /* pc_relative */ |
| 110 | 0, /* bitpos */ |
| 111 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 112 | bfd_elf_generic_reloc, /* special_function */ |
| 113 | "R_XSTORMY16_16", /* name */ |
| 114 | FALSE, /* partial_inplace */ |
| 115 | 0, /* src_mask */ |
| 116 | 0xffff, /* dst_mask */ |
| 117 | FALSE), /* pcrel_offset */ |
| 118 | |
| 119 | /* An 8 bit absolute relocation. */ |
| 120 | HOWTO (R_XSTORMY16_8, /* type */ |
| 121 | 0, /* rightshift */ |
| 122 | 0, /* size (0 = byte, 1 = short, 2 = long) */ |
| 123 | 8, /* bitsize */ |
| 124 | FALSE, /* pc_relative */ |
| 125 | 0, /* bitpos */ |
| 126 | complain_overflow_unsigned, /* complain_on_overflow */ |
| 127 | bfd_elf_generic_reloc, /* special_function */ |
| 128 | "R_XSTORMY16_8", /* name */ |
| 129 | FALSE, /* partial_inplace */ |
| 130 | 0, /* src_mask */ |
| 131 | 0xff, /* dst_mask */ |
| 132 | FALSE), /* pcrel_offset */ |
| 133 | |
| 134 | /* A 32 bit pc-relative relocation. */ |
| 135 | HOWTO (R_XSTORMY16_PC32, /* type */ |
| 136 | 0, /* rightshift */ |
| 137 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 138 | 32, /* bitsize */ |
| 139 | TRUE, /* pc_relative */ |
| 140 | 0, /* bitpos */ |
| 141 | complain_overflow_dont, /* complain_on_overflow */ |
| 142 | bfd_elf_generic_reloc, /* special_function */ |
| 143 | "R_XSTORMY16_PC32", /* name */ |
| 144 | FALSE, /* partial_inplace */ |
| 145 | 0, /* src_mask */ |
| 146 | 0xffffffff, /* dst_mask */ |
| 147 | TRUE), /* pcrel_offset */ |
| 148 | |
| 149 | /* A 16 bit pc-relative relocation. */ |
| 150 | HOWTO (R_XSTORMY16_PC16, /* type */ |
| 151 | 0, /* rightshift */ |
| 152 | 1, /* size (0 = byte, 1 = short, 2 = long) */ |
| 153 | 16, /* bitsize */ |
| 154 | TRUE, /* pc_relative */ |
| 155 | 0, /* bitpos */ |
| 156 | complain_overflow_signed, /* complain_on_overflow */ |
| 157 | bfd_elf_generic_reloc, /* special_function */ |
| 158 | "R_XSTORMY16_PC16", /* name */ |
| 159 | FALSE, /* partial_inplace */ |
| 160 | 0, /* src_mask */ |
| 161 | 0xffffffff, /* dst_mask */ |
| 162 | TRUE), /* pcrel_offset */ |
| 163 | |
| 164 | /* An 8 bit pc-relative relocation. */ |
| 165 | HOWTO (R_XSTORMY16_PC8, /* type */ |
| 166 | 0, /* rightshift */ |
| 167 | 0, /* size (0 = byte, 1 = short, 2 = long) */ |
| 168 | 8, /* bitsize */ |
| 169 | TRUE, /* pc_relative */ |
| 170 | 0, /* bitpos */ |
| 171 | complain_overflow_signed, /* complain_on_overflow */ |
| 172 | bfd_elf_generic_reloc, /* special_function */ |
| 173 | "R_XSTORMY16_PC8", /* name */ |
| 174 | FALSE, /* partial_inplace */ |
| 175 | 0, /* src_mask */ |
| 176 | 0xffffffff, /* dst_mask */ |
| 177 | TRUE), /* pcrel_offset */ |
| 178 | |
| 179 | /* A 12-bit pc-relative relocation suitable for the branch instructions. */ |
| 180 | HOWTO (R_XSTORMY16_REL_12, /* type */ |
| 181 | 1, /* rightshift */ |
| 182 | 1, /* size (0 = byte, 1 = short, 2 = long) */ |
| 183 | 11, /* bitsize */ |
| 184 | TRUE, /* pc_relative */ |
| 185 | 1, /* bitpos */ |
| 186 | complain_overflow_signed, /* complain_on_overflow */ |
| 187 | bfd_elf_generic_reloc, /* special_function */ |
| 188 | "R_XSTORMY16_REL_12", /* name */ |
| 189 | FALSE, /* partial_inplace */ |
| 190 | 0, /* src_mask */ |
| 191 | 0x0ffe, /* dst_mask */ |
| 192 | TRUE), /* pcrel_offset */ |
| 193 | |
| 194 | /* A 24-bit absolute relocation suitable for the jump instructions. */ |
| 195 | HOWTO (R_XSTORMY16_24, /* type */ |
| 196 | 0, /* rightshift */ |
| 197 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 198 | 24, /* bitsize */ |
| 199 | FALSE, /* pc_relative */ |
| 200 | 0, /* bitpos */ |
| 201 | complain_overflow_unsigned, /* complain_on_overflow */ |
| 202 | xstormy16_elf_24_reloc, /* special_function */ |
| 203 | "R_XSTORMY16_24", /* name */ |
| 204 | TRUE, /* partial_inplace */ |
| 205 | 0, /* src_mask */ |
| 206 | 0xffff00ff, /* dst_mask */ |
| 207 | TRUE), /* pcrel_offset */ |
| 208 | |
| 209 | /* A 16 bit absolute relocation to a function pointer. */ |
| 210 | HOWTO (R_XSTORMY16_FPTR16, /* type */ |
| 211 | 0, /* rightshift */ |
| 212 | 1, /* size (0 = byte, 1 = short, 2 = long) */ |
| 213 | 16, /* bitsize */ |
| 214 | FALSE, /* pc_relative */ |
| 215 | 0, /* bitpos */ |
| 216 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 217 | bfd_elf_generic_reloc, /* special_function */ |
| 218 | "R_XSTORMY16_FPTR16", /* name */ |
| 219 | FALSE, /* partial_inplace */ |
| 220 | 0, /* src_mask */ |
| 221 | 0xffffffff, /* dst_mask */ |
| 222 | FALSE), /* pcrel_offset */ |
| 223 | |
| 224 | /* Low order 16 bit value of a high memory address. */ |
| 225 | HOWTO (R_XSTORMY16_LO16, /* type */ |
| 226 | 0, /* rightshift */ |
| 227 | 1, /* size (0 = byte, 1 = short, 2 = long) */ |
| 228 | 16, /* bitsize */ |
| 229 | FALSE, /* pc_relative */ |
| 230 | 0, /* bitpos */ |
| 231 | complain_overflow_dont, /* complain_on_overflow */ |
| 232 | bfd_elf_generic_reloc, /* special_function */ |
| 233 | "R_XSTORMY16_LO16", /* name */ |
| 234 | FALSE, /* partial_inplace */ |
| 235 | 0, /* src_mask */ |
| 236 | 0xffff, /* dst_mask */ |
| 237 | FALSE), /* pcrel_offset */ |
| 238 | |
| 239 | /* High order 16 bit value of a high memory address. */ |
| 240 | HOWTO (R_XSTORMY16_HI16, /* type */ |
| 241 | 16, /* rightshift */ |
| 242 | 1, /* size (0 = byte, 1 = short, 2 = long) */ |
| 243 | 16, /* bitsize */ |
| 244 | FALSE, /* pc_relative */ |
| 245 | 0, /* bitpos */ |
| 246 | complain_overflow_dont, /* complain_on_overflow */ |
| 247 | bfd_elf_generic_reloc, /* special_function */ |
| 248 | "R_XSTORMY16_HI16", /* name */ |
| 249 | FALSE, /* partial_inplace */ |
| 250 | 0, /* src_mask */ |
| 251 | 0xffff, /* dst_mask */ |
| 252 | FALSE), /* pcrel_offset */ |
| 253 | |
| 254 | /* A 12 bit absolute relocation. */ |
| 255 | HOWTO (R_XSTORMY16_12, /* type */ |
| 256 | 0, /* rightshift */ |
| 257 | 1, /* size (0 = byte, 1 = short, 2 = long) */ |
| 258 | 12, /* bitsize */ |
| 259 | FALSE, /* pc_relative */ |
| 260 | 0, /* bitpos */ |
| 261 | complain_overflow_signed, /* complain_on_overflow */ |
| 262 | bfd_elf_generic_reloc, /* special_function */ |
| 263 | "R_XSTORMY16_12", /* name */ |
| 264 | FALSE, /* partial_inplace */ |
| 265 | 0x0000, /* src_mask */ |
| 266 | 0x0fff, /* dst_mask */ |
| 267 | FALSE), /* pcrel_offset */ |
| 268 | }; |
| 269 | |
| 270 | static reloc_howto_type xstormy16_elf_howto_table2 [] = |
| 271 | { |
| 272 | /* GNU extension to record C++ vtable hierarchy */ |
| 273 | HOWTO (R_XSTORMY16_GNU_VTINHERIT, /* type */ |
| 274 | 0, /* rightshift */ |
| 275 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 276 | 0, /* bitsize */ |
| 277 | FALSE, /* pc_relative */ |
| 278 | 0, /* bitpos */ |
| 279 | complain_overflow_dont, /* complain_on_overflow */ |
| 280 | NULL, /* special_function */ |
| 281 | "R_XSTORMY16_GNU_VTINHERIT", /* name */ |
| 282 | FALSE, /* partial_inplace */ |
| 283 | 0, /* src_mask */ |
| 284 | 0, /* dst_mask */ |
| 285 | FALSE), /* pcrel_offset */ |
| 286 | |
| 287 | /* GNU extension to record C++ vtable member usage */ |
| 288 | HOWTO (R_XSTORMY16_GNU_VTENTRY, /* type */ |
| 289 | 0, /* rightshift */ |
| 290 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 291 | 0, /* bitsize */ |
| 292 | FALSE, /* pc_relative */ |
| 293 | 0, /* bitpos */ |
| 294 | complain_overflow_dont, /* complain_on_overflow */ |
| 295 | _bfd_elf_rel_vtable_reloc_fn, /* special_function */ |
| 296 | "R_XSTORMY16_GNU_VTENTRY", /* name */ |
| 297 | FALSE, /* partial_inplace */ |
| 298 | 0, /* src_mask */ |
| 299 | 0, /* dst_mask */ |
| 300 | FALSE), /* pcrel_offset */ |
| 301 | |
| 302 | }; |
| 303 | \f |
| 304 | /* Map BFD reloc types to XSTORMY16 ELF reloc types. */ |
| 305 | |
| 306 | typedef struct xstormy16_reloc_map |
| 307 | { |
| 308 | bfd_reloc_code_real_type bfd_reloc_val; |
| 309 | unsigned int xstormy16_reloc_val; |
| 310 | reloc_howto_type * table; |
| 311 | } reloc_map; |
| 312 | |
| 313 | static const reloc_map xstormy16_reloc_map [] = |
| 314 | { |
| 315 | { BFD_RELOC_NONE, R_XSTORMY16_NONE, xstormy16_elf_howto_table }, |
| 316 | { BFD_RELOC_32, R_XSTORMY16_32, xstormy16_elf_howto_table }, |
| 317 | { BFD_RELOC_16, R_XSTORMY16_16, xstormy16_elf_howto_table }, |
| 318 | { BFD_RELOC_8, R_XSTORMY16_8, xstormy16_elf_howto_table }, |
| 319 | { BFD_RELOC_32_PCREL, R_XSTORMY16_PC32, xstormy16_elf_howto_table }, |
| 320 | { BFD_RELOC_16_PCREL, R_XSTORMY16_PC16, xstormy16_elf_howto_table }, |
| 321 | { BFD_RELOC_8_PCREL, R_XSTORMY16_PC8, xstormy16_elf_howto_table }, |
| 322 | { BFD_RELOC_XSTORMY16_REL_12, R_XSTORMY16_REL_12, xstormy16_elf_howto_table }, |
| 323 | { BFD_RELOC_XSTORMY16_24, R_XSTORMY16_24, xstormy16_elf_howto_table }, |
| 324 | { BFD_RELOC_XSTORMY16_FPTR16, R_XSTORMY16_FPTR16, xstormy16_elf_howto_table }, |
| 325 | { BFD_RELOC_LO16, R_XSTORMY16_LO16, xstormy16_elf_howto_table }, |
| 326 | { BFD_RELOC_HI16, R_XSTORMY16_HI16, xstormy16_elf_howto_table }, |
| 327 | { BFD_RELOC_XSTORMY16_12, R_XSTORMY16_12, xstormy16_elf_howto_table }, |
| 328 | { BFD_RELOC_VTABLE_INHERIT, R_XSTORMY16_GNU_VTINHERIT, xstormy16_elf_howto_table2 }, |
| 329 | { BFD_RELOC_VTABLE_ENTRY, R_XSTORMY16_GNU_VTENTRY, xstormy16_elf_howto_table2 }, |
| 330 | }; |
| 331 | |
| 332 | static reloc_howto_type * |
| 333 | xstormy16_reloc_type_lookup (bfd * abfd ATTRIBUTE_UNUSED, |
| 334 | bfd_reloc_code_real_type code) |
| 335 | { |
| 336 | unsigned int i; |
| 337 | |
| 338 | for (i = ARRAY_SIZE (xstormy16_reloc_map); --i;) |
| 339 | { |
| 340 | const reloc_map * entry; |
| 341 | |
| 342 | entry = xstormy16_reloc_map + i; |
| 343 | |
| 344 | if (entry->bfd_reloc_val == code) |
| 345 | return entry->table + (entry->xstormy16_reloc_val |
| 346 | - entry->table[0].type); |
| 347 | } |
| 348 | |
| 349 | return NULL; |
| 350 | } |
| 351 | |
| 352 | static reloc_howto_type * |
| 353 | xstormy16_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, |
| 354 | const char *r_name) |
| 355 | { |
| 356 | unsigned int i; |
| 357 | |
| 358 | for (i = 0; |
| 359 | i < (sizeof (xstormy16_elf_howto_table) |
| 360 | / sizeof (xstormy16_elf_howto_table[0])); |
| 361 | i++) |
| 362 | if (xstormy16_elf_howto_table[i].name != NULL |
| 363 | && strcasecmp (xstormy16_elf_howto_table[i].name, r_name) == 0) |
| 364 | return &xstormy16_elf_howto_table[i]; |
| 365 | |
| 366 | for (i = 0; |
| 367 | i < (sizeof (xstormy16_elf_howto_table2) |
| 368 | / sizeof (xstormy16_elf_howto_table2[0])); |
| 369 | i++) |
| 370 | if (xstormy16_elf_howto_table2[i].name != NULL |
| 371 | && strcasecmp (xstormy16_elf_howto_table2[i].name, r_name) == 0) |
| 372 | return &xstormy16_elf_howto_table2[i]; |
| 373 | |
| 374 | return NULL; |
| 375 | } |
| 376 | |
| 377 | /* Set the howto pointer for an XSTORMY16 ELF reloc. */ |
| 378 | |
| 379 | static void |
| 380 | xstormy16_info_to_howto_rela (bfd * abfd ATTRIBUTE_UNUSED, |
| 381 | arelent * cache_ptr, |
| 382 | Elf_Internal_Rela * dst) |
| 383 | { |
| 384 | unsigned int r_type = ELF32_R_TYPE (dst->r_info); |
| 385 | |
| 386 | if (r_type <= (unsigned int) R_XSTORMY16_12) |
| 387 | cache_ptr->howto = &xstormy16_elf_howto_table [r_type]; |
| 388 | else if (r_type - R_XSTORMY16_GNU_VTINHERIT |
| 389 | <= (unsigned int) R_XSTORMY16_GNU_VTENTRY) |
| 390 | cache_ptr->howto |
| 391 | = &xstormy16_elf_howto_table2 [r_type - R_XSTORMY16_GNU_VTINHERIT]; |
| 392 | else |
| 393 | abort (); |
| 394 | } |
| 395 | \f |
| 396 | /* We support 16-bit pointers to code above 64k by generating a thunk |
| 397 | below 64k containing a JMPF instruction to the final address. We |
| 398 | cannot, unfortunately, minimize the number of thunks unless the |
| 399 | -relax switch is given, as otherwise we have no idea where the |
| 400 | sections will fall in the address space. */ |
| 401 | |
| 402 | static bfd_boolean |
| 403 | xstormy16_elf_check_relocs (bfd *abfd, |
| 404 | struct bfd_link_info *info, |
| 405 | asection *sec, |
| 406 | const Elf_Internal_Rela *relocs) |
| 407 | { |
| 408 | const Elf_Internal_Rela *rel, *relend; |
| 409 | struct elf_link_hash_entry **sym_hashes; |
| 410 | Elf_Internal_Shdr *symtab_hdr; |
| 411 | bfd_vma *local_plt_offsets; |
| 412 | asection *splt; |
| 413 | bfd *dynobj; |
| 414 | |
| 415 | if (info->relocatable) |
| 416 | return TRUE; |
| 417 | |
| 418 | symtab_hdr = &elf_tdata(abfd)->symtab_hdr; |
| 419 | sym_hashes = elf_sym_hashes (abfd); |
| 420 | local_plt_offsets = elf_local_got_offsets (abfd); |
| 421 | splt = NULL; |
| 422 | dynobj = elf_hash_table(info)->dynobj; |
| 423 | |
| 424 | relend = relocs + sec->reloc_count; |
| 425 | for (rel = relocs; rel < relend; ++rel) |
| 426 | { |
| 427 | unsigned long r_symndx; |
| 428 | struct elf_link_hash_entry *h; |
| 429 | bfd_vma *offset; |
| 430 | |
| 431 | r_symndx = ELF32_R_SYM (rel->r_info); |
| 432 | if (r_symndx < symtab_hdr->sh_info) |
| 433 | h = NULL; |
| 434 | else |
| 435 | { |
| 436 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; |
| 437 | while (h->root.type == bfd_link_hash_indirect |
| 438 | || h->root.type == bfd_link_hash_warning) |
| 439 | h = (struct elf_link_hash_entry *) h->root.u.i.link; |
| 440 | } |
| 441 | |
| 442 | switch (ELF32_R_TYPE (rel->r_info)) |
| 443 | { |
| 444 | /* This relocation describes a 16-bit pointer to a function. |
| 445 | We may need to allocate a thunk in low memory; reserve memory |
| 446 | for it now. */ |
| 447 | case R_XSTORMY16_FPTR16: |
| 448 | if (rel->r_addend != 0) |
| 449 | { |
| 450 | (*info->callbacks->warning) |
| 451 | (info, _("non-zero addend in @fptr reloc"), 0, |
| 452 | abfd, 0, 0); |
| 453 | } |
| 454 | |
| 455 | if (dynobj == NULL) |
| 456 | elf_hash_table (info)->dynobj = dynobj = abfd; |
| 457 | if (splt == NULL) |
| 458 | { |
| 459 | splt = bfd_get_section_by_name (dynobj, ".plt"); |
| 460 | if (splt == NULL) |
| 461 | { |
| 462 | splt = bfd_make_section_with_flags (dynobj, ".plt", |
| 463 | (SEC_ALLOC |
| 464 | | SEC_LOAD |
| 465 | | SEC_HAS_CONTENTS |
| 466 | | SEC_IN_MEMORY |
| 467 | | SEC_LINKER_CREATED |
| 468 | | SEC_READONLY |
| 469 | | SEC_CODE)); |
| 470 | |
| 471 | if (splt == NULL |
| 472 | || ! bfd_set_section_alignment (dynobj, splt, 1)) |
| 473 | return FALSE; |
| 474 | } |
| 475 | } |
| 476 | |
| 477 | if (h != NULL) |
| 478 | offset = &h->plt.offset; |
| 479 | else |
| 480 | { |
| 481 | if (local_plt_offsets == NULL) |
| 482 | { |
| 483 | size_t size; |
| 484 | unsigned int i; |
| 485 | |
| 486 | size = symtab_hdr->sh_info * sizeof (bfd_vma); |
| 487 | local_plt_offsets = bfd_alloc (abfd, size); |
| 488 | if (local_plt_offsets == NULL) |
| 489 | return FALSE; |
| 490 | elf_local_got_offsets (abfd) = local_plt_offsets; |
| 491 | |
| 492 | for (i = 0; i < symtab_hdr->sh_info; i++) |
| 493 | local_plt_offsets[i] = (bfd_vma) -1; |
| 494 | } |
| 495 | offset = &local_plt_offsets[r_symndx]; |
| 496 | } |
| 497 | |
| 498 | if (*offset == (bfd_vma) -1) |
| 499 | { |
| 500 | *offset = splt->size; |
| 501 | splt->size += 4; |
| 502 | } |
| 503 | break; |
| 504 | |
| 505 | /* This relocation describes the C++ object vtable hierarchy. |
| 506 | Reconstruct it for later use during GC. */ |
| 507 | case R_XSTORMY16_GNU_VTINHERIT: |
| 508 | if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset)) |
| 509 | return FALSE; |
| 510 | break; |
| 511 | |
| 512 | /* This relocation describes which C++ vtable entries are actually |
| 513 | used. Record for later use during GC. */ |
| 514 | case R_XSTORMY16_GNU_VTENTRY: |
| 515 | BFD_ASSERT (h != NULL); |
| 516 | if (h != NULL |
| 517 | && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend)) |
| 518 | return FALSE; |
| 519 | break; |
| 520 | } |
| 521 | } |
| 522 | |
| 523 | return TRUE; |
| 524 | } |
| 525 | |
| 526 | /* A subroutine of xstormy16_elf_relax_section. If the global symbol H |
| 527 | is within the low 64k, remove any entry for it in the plt. */ |
| 528 | |
| 529 | struct relax_plt_data |
| 530 | { |
| 531 | asection *splt; |
| 532 | bfd_boolean *again; |
| 533 | }; |
| 534 | |
| 535 | static bfd_boolean |
| 536 | xstormy16_relax_plt_check (struct elf_link_hash_entry *h, void * xdata) |
| 537 | { |
| 538 | struct relax_plt_data *data = (struct relax_plt_data *) xdata; |
| 539 | |
| 540 | if (h->root.type == bfd_link_hash_warning) |
| 541 | h = (struct elf_link_hash_entry *) h->root.u.i.link; |
| 542 | |
| 543 | if (h->plt.offset != (bfd_vma) -1) |
| 544 | { |
| 545 | bfd_vma address; |
| 546 | |
| 547 | if (h->root.type == bfd_link_hash_undefined |
| 548 | || h->root.type == bfd_link_hash_undefweak) |
| 549 | address = 0; |
| 550 | else |
| 551 | address = (h->root.u.def.section->output_section->vma |
| 552 | + h->root.u.def.section->output_offset |
| 553 | + h->root.u.def.value); |
| 554 | |
| 555 | if (address <= 0xffff) |
| 556 | { |
| 557 | h->plt.offset = -1; |
| 558 | data->splt->size -= 4; |
| 559 | *data->again = TRUE; |
| 560 | } |
| 561 | } |
| 562 | |
| 563 | return TRUE; |
| 564 | } |
| 565 | |
| 566 | /* A subroutine of xstormy16_elf_relax_section. If the global symbol H |
| 567 | previously had a plt entry, give it a new entry offset. */ |
| 568 | |
| 569 | static bfd_boolean |
| 570 | xstormy16_relax_plt_realloc (struct elf_link_hash_entry *h, void * xdata) |
| 571 | { |
| 572 | bfd_vma *entry = (bfd_vma *) xdata; |
| 573 | |
| 574 | if (h->root.type == bfd_link_hash_warning) |
| 575 | h = (struct elf_link_hash_entry *) h->root.u.i.link; |
| 576 | |
| 577 | if (h->plt.offset != (bfd_vma) -1) |
| 578 | { |
| 579 | h->plt.offset = *entry; |
| 580 | *entry += 4; |
| 581 | } |
| 582 | |
| 583 | return TRUE; |
| 584 | } |
| 585 | |
| 586 | static bfd_boolean |
| 587 | xstormy16_elf_relax_section (bfd *dynobj, |
| 588 | asection *splt, |
| 589 | struct bfd_link_info *info, |
| 590 | bfd_boolean *again) |
| 591 | { |
| 592 | struct relax_plt_data relax_plt_data; |
| 593 | bfd *ibfd; |
| 594 | |
| 595 | /* Assume nothing changes. */ |
| 596 | *again = FALSE; |
| 597 | |
| 598 | if (info->relocatable) |
| 599 | return TRUE; |
| 600 | |
| 601 | /* We only relax the .plt section at the moment. */ |
| 602 | if (dynobj != elf_hash_table (info)->dynobj |
| 603 | || strcmp (splt->name, ".plt") != 0) |
| 604 | return TRUE; |
| 605 | |
| 606 | /* Quick check for an empty plt. */ |
| 607 | if (splt->size == 0) |
| 608 | return TRUE; |
| 609 | |
| 610 | /* Map across all global symbols; see which ones happen to |
| 611 | fall in the low 64k. */ |
| 612 | relax_plt_data.splt = splt; |
| 613 | relax_plt_data.again = again; |
| 614 | elf_link_hash_traverse (elf_hash_table (info), xstormy16_relax_plt_check, |
| 615 | &relax_plt_data); |
| 616 | |
| 617 | /* Likewise for local symbols, though that's somewhat less convenient |
| 618 | as we have to walk the list of input bfds and swap in symbol data. */ |
| 619 | for (ibfd = info->input_bfds; ibfd ; ibfd = ibfd->link_next) |
| 620 | { |
| 621 | bfd_vma *local_plt_offsets = elf_local_got_offsets (ibfd); |
| 622 | Elf_Internal_Shdr *symtab_hdr; |
| 623 | Elf_Internal_Sym *isymbuf = NULL; |
| 624 | unsigned int idx; |
| 625 | |
| 626 | if (! local_plt_offsets) |
| 627 | continue; |
| 628 | |
| 629 | symtab_hdr = &elf_tdata (ibfd)->symtab_hdr; |
| 630 | if (symtab_hdr->sh_info != 0) |
| 631 | { |
| 632 | isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents; |
| 633 | if (isymbuf == NULL) |
| 634 | isymbuf = bfd_elf_get_elf_syms (ibfd, symtab_hdr, |
| 635 | symtab_hdr->sh_info, 0, |
| 636 | NULL, NULL, NULL); |
| 637 | if (isymbuf == NULL) |
| 638 | return FALSE; |
| 639 | } |
| 640 | |
| 641 | for (idx = 0; idx < symtab_hdr->sh_info; ++idx) |
| 642 | { |
| 643 | Elf_Internal_Sym *isym; |
| 644 | asection *tsec; |
| 645 | bfd_vma address; |
| 646 | |
| 647 | if (local_plt_offsets[idx] == (bfd_vma) -1) |
| 648 | continue; |
| 649 | |
| 650 | isym = &isymbuf[idx]; |
| 651 | if (isym->st_shndx == SHN_UNDEF) |
| 652 | continue; |
| 653 | else if (isym->st_shndx == SHN_ABS) |
| 654 | tsec = bfd_abs_section_ptr; |
| 655 | else if (isym->st_shndx == SHN_COMMON) |
| 656 | tsec = bfd_com_section_ptr; |
| 657 | else |
| 658 | tsec = bfd_section_from_elf_index (ibfd, isym->st_shndx); |
| 659 | |
| 660 | address = (tsec->output_section->vma |
| 661 | + tsec->output_offset |
| 662 | + isym->st_value); |
| 663 | if (address <= 0xffff) |
| 664 | { |
| 665 | local_plt_offsets[idx] = -1; |
| 666 | splt->size -= 4; |
| 667 | *again = TRUE; |
| 668 | } |
| 669 | } |
| 670 | |
| 671 | if (isymbuf != NULL |
| 672 | && symtab_hdr->contents != (unsigned char *) isymbuf) |
| 673 | { |
| 674 | if (! info->keep_memory) |
| 675 | free (isymbuf); |
| 676 | else |
| 677 | { |
| 678 | /* Cache the symbols for elf_link_input_bfd. */ |
| 679 | symtab_hdr->contents = (unsigned char *) isymbuf; |
| 680 | } |
| 681 | } |
| 682 | } |
| 683 | |
| 684 | /* If we changed anything, walk the symbols again to reallocate |
| 685 | .plt entry addresses. */ |
| 686 | if (*again && splt->size > 0) |
| 687 | { |
| 688 | bfd_vma entry = 0; |
| 689 | |
| 690 | elf_link_hash_traverse (elf_hash_table (info), |
| 691 | xstormy16_relax_plt_realloc, &entry); |
| 692 | |
| 693 | for (ibfd = info->input_bfds; ibfd ; ibfd = ibfd->link_next) |
| 694 | { |
| 695 | bfd_vma *local_plt_offsets = elf_local_got_offsets (ibfd); |
| 696 | unsigned int nlocals = elf_tdata (ibfd)->symtab_hdr.sh_info; |
| 697 | unsigned int idx; |
| 698 | |
| 699 | if (! local_plt_offsets) |
| 700 | continue; |
| 701 | |
| 702 | for (idx = 0; idx < nlocals; ++idx) |
| 703 | if (local_plt_offsets[idx] != (bfd_vma) -1) |
| 704 | { |
| 705 | local_plt_offsets[idx] = entry; |
| 706 | entry += 4; |
| 707 | } |
| 708 | } |
| 709 | } |
| 710 | |
| 711 | return TRUE; |
| 712 | } |
| 713 | |
| 714 | static bfd_boolean |
| 715 | xstormy16_elf_always_size_sections (bfd *output_bfd ATTRIBUTE_UNUSED, |
| 716 | struct bfd_link_info *info) |
| 717 | { |
| 718 | bfd *dynobj; |
| 719 | asection *splt; |
| 720 | |
| 721 | if (info->relocatable) |
| 722 | return TRUE; |
| 723 | |
| 724 | dynobj = elf_hash_table (info)->dynobj; |
| 725 | if (dynobj == NULL) |
| 726 | return TRUE; |
| 727 | |
| 728 | splt = bfd_get_section_by_name (dynobj, ".plt"); |
| 729 | BFD_ASSERT (splt != NULL); |
| 730 | |
| 731 | splt->contents = bfd_zalloc (dynobj, splt->size); |
| 732 | if (splt->contents == NULL) |
| 733 | return FALSE; |
| 734 | |
| 735 | return TRUE; |
| 736 | } |
| 737 | \f |
| 738 | /* Relocate an XSTORMY16 ELF section. |
| 739 | |
| 740 | The RELOCATE_SECTION function is called by the new ELF backend linker |
| 741 | to handle the relocations for a section. |
| 742 | |
| 743 | The relocs are always passed as Rela structures; if the section |
| 744 | actually uses Rel structures, the r_addend field will always be |
| 745 | zero. |
| 746 | |
| 747 | This function is responsible for adjusting the section contents as |
| 748 | necessary, and (if using Rela relocs and generating a relocatable |
| 749 | output file) adjusting the reloc addend as necessary. |
| 750 | |
| 751 | This function does not have to worry about setting the reloc |
| 752 | address or the reloc symbol index. |
| 753 | |
| 754 | LOCAL_SYMS is a pointer to the swapped in local symbols. |
| 755 | |
| 756 | LOCAL_SECTIONS is an array giving the section in the input file |
| 757 | corresponding to the st_shndx field of each local symbol. |
| 758 | |
| 759 | The global hash table entry for the global symbols can be found |
| 760 | via elf_sym_hashes (input_bfd). |
| 761 | |
| 762 | When generating relocatable output, this function must handle |
| 763 | STB_LOCAL/STT_SECTION symbols specially. The output symbol is |
| 764 | going to be the section symbol corresponding to the output |
| 765 | section, which means that the addend must be adjusted |
| 766 | accordingly. */ |
| 767 | |
| 768 | static bfd_boolean |
| 769 | xstormy16_elf_relocate_section (bfd * output_bfd ATTRIBUTE_UNUSED, |
| 770 | struct bfd_link_info * info, |
| 771 | bfd * input_bfd, |
| 772 | asection * input_section, |
| 773 | bfd_byte * contents, |
| 774 | Elf_Internal_Rela * relocs, |
| 775 | Elf_Internal_Sym * local_syms, |
| 776 | asection ** local_sections) |
| 777 | { |
| 778 | Elf_Internal_Shdr * symtab_hdr; |
| 779 | struct elf_link_hash_entry ** sym_hashes; |
| 780 | Elf_Internal_Rela * rel; |
| 781 | Elf_Internal_Rela * relend; |
| 782 | bfd *dynobj; |
| 783 | asection *splt; |
| 784 | |
| 785 | symtab_hdr = & elf_tdata (input_bfd)->symtab_hdr; |
| 786 | sym_hashes = elf_sym_hashes (input_bfd); |
| 787 | relend = relocs + input_section->reloc_count; |
| 788 | |
| 789 | dynobj = elf_hash_table (info)->dynobj; |
| 790 | splt = NULL; |
| 791 | if (dynobj != NULL) |
| 792 | splt = bfd_get_section_by_name (dynobj, ".plt"); |
| 793 | |
| 794 | for (rel = relocs; rel < relend; rel ++) |
| 795 | { |
| 796 | reloc_howto_type * howto; |
| 797 | unsigned long r_symndx; |
| 798 | Elf_Internal_Sym * sym; |
| 799 | asection * sec; |
| 800 | struct elf_link_hash_entry * h; |
| 801 | bfd_vma relocation; |
| 802 | bfd_reloc_status_type r; |
| 803 | const char * name = NULL; |
| 804 | int r_type; |
| 805 | |
| 806 | r_type = ELF32_R_TYPE (rel->r_info); |
| 807 | |
| 808 | if ( r_type == R_XSTORMY16_GNU_VTINHERIT |
| 809 | || r_type == R_XSTORMY16_GNU_VTENTRY) |
| 810 | continue; |
| 811 | |
| 812 | r_symndx = ELF32_R_SYM (rel->r_info); |
| 813 | howto = xstormy16_elf_howto_table + ELF32_R_TYPE (rel->r_info); |
| 814 | h = NULL; |
| 815 | sym = NULL; |
| 816 | sec = NULL; |
| 817 | |
| 818 | if (r_symndx < symtab_hdr->sh_info) |
| 819 | { |
| 820 | sym = local_syms + r_symndx; |
| 821 | sec = local_sections [r_symndx]; |
| 822 | relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel); |
| 823 | } |
| 824 | else |
| 825 | { |
| 826 | bfd_boolean unresolved_reloc, warned; |
| 827 | |
| 828 | RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel, |
| 829 | r_symndx, symtab_hdr, sym_hashes, |
| 830 | h, sec, relocation, |
| 831 | unresolved_reloc, warned); |
| 832 | } |
| 833 | |
| 834 | if (sec != NULL && elf_discarded_section (sec)) |
| 835 | { |
| 836 | /* For relocs against symbols from removed linkonce sections, |
| 837 | or sections discarded by a linker script, we just want the |
| 838 | section contents zeroed. Avoid any special processing. */ |
| 839 | _bfd_clear_contents (howto, input_bfd, contents + rel->r_offset); |
| 840 | rel->r_info = 0; |
| 841 | rel->r_addend = 0; |
| 842 | continue; |
| 843 | } |
| 844 | |
| 845 | if (info->relocatable) |
| 846 | continue; |
| 847 | |
| 848 | if (h != NULL) |
| 849 | name = h->root.root.string; |
| 850 | else |
| 851 | { |
| 852 | name = (bfd_elf_string_from_elf_section |
| 853 | (input_bfd, symtab_hdr->sh_link, sym->st_name)); |
| 854 | if (name == NULL || *name == '\0') |
| 855 | name = bfd_section_name (input_bfd, sec); |
| 856 | } |
| 857 | |
| 858 | switch (ELF32_R_TYPE (rel->r_info)) |
| 859 | { |
| 860 | case R_XSTORMY16_24: |
| 861 | { |
| 862 | bfd_vma reloc = relocation + rel->r_addend; |
| 863 | unsigned int x; |
| 864 | |
| 865 | x = bfd_get_32 (input_bfd, contents + rel->r_offset); |
| 866 | x &= 0x0000ff00; |
| 867 | x |= reloc & 0xff; |
| 868 | x |= (reloc << 8) & 0xffff0000; |
| 869 | bfd_put_32 (input_bfd, x, contents + rel->r_offset); |
| 870 | |
| 871 | if (reloc & ~0xffffff) |
| 872 | r = bfd_reloc_overflow; |
| 873 | else |
| 874 | r = bfd_reloc_ok; |
| 875 | break; |
| 876 | } |
| 877 | |
| 878 | case R_XSTORMY16_FPTR16: |
| 879 | { |
| 880 | bfd_vma *plt_offset; |
| 881 | |
| 882 | if (h != NULL) |
| 883 | plt_offset = &h->plt.offset; |
| 884 | else |
| 885 | plt_offset = elf_local_got_offsets (input_bfd) + r_symndx; |
| 886 | |
| 887 | if (relocation <= 0xffff) |
| 888 | { |
| 889 | /* If the symbol is in range for a 16-bit address, we should |
| 890 | have deallocated the plt entry in relax_section. */ |
| 891 | BFD_ASSERT (*plt_offset == (bfd_vma) -1); |
| 892 | } |
| 893 | else |
| 894 | { |
| 895 | /* If the symbol is out of range for a 16-bit address, |
| 896 | we must have allocated a plt entry. */ |
| 897 | BFD_ASSERT (*plt_offset != (bfd_vma) -1); |
| 898 | |
| 899 | /* If this is the first time we've processed this symbol, |
| 900 | fill in the plt entry with the correct symbol address. */ |
| 901 | if ((*plt_offset & 1) == 0) |
| 902 | { |
| 903 | unsigned int x; |
| 904 | |
| 905 | x = 0x00000200; /* jmpf */ |
| 906 | x |= relocation & 0xff; |
| 907 | x |= (relocation << 8) & 0xffff0000; |
| 908 | bfd_put_32 (input_bfd, x, splt->contents + *plt_offset); |
| 909 | *plt_offset |= 1; |
| 910 | } |
| 911 | |
| 912 | relocation = (splt->output_section->vma |
| 913 | + splt->output_offset |
| 914 | + (*plt_offset & -2)); |
| 915 | } |
| 916 | r = _bfd_final_link_relocate (howto, input_bfd, input_section, |
| 917 | contents, rel->r_offset, |
| 918 | relocation, 0); |
| 919 | break; |
| 920 | } |
| 921 | |
| 922 | default: |
| 923 | r = _bfd_final_link_relocate (howto, input_bfd, input_section, |
| 924 | contents, rel->r_offset, |
| 925 | relocation, rel->r_addend); |
| 926 | break; |
| 927 | } |
| 928 | |
| 929 | if (r != bfd_reloc_ok) |
| 930 | { |
| 931 | const char * msg = NULL; |
| 932 | |
| 933 | switch (r) |
| 934 | { |
| 935 | case bfd_reloc_overflow: |
| 936 | r = info->callbacks->reloc_overflow |
| 937 | (info, (h ? &h->root : NULL), name, howto->name, |
| 938 | (bfd_vma) 0, input_bfd, input_section, rel->r_offset); |
| 939 | break; |
| 940 | |
| 941 | case bfd_reloc_undefined: |
| 942 | r = info->callbacks->undefined_symbol |
| 943 | (info, name, input_bfd, input_section, rel->r_offset, |
| 944 | TRUE); |
| 945 | break; |
| 946 | |
| 947 | case bfd_reloc_outofrange: |
| 948 | msg = _("internal error: out of range error"); |
| 949 | break; |
| 950 | |
| 951 | case bfd_reloc_notsupported: |
| 952 | msg = _("internal error: unsupported relocation error"); |
| 953 | break; |
| 954 | |
| 955 | case bfd_reloc_dangerous: |
| 956 | msg = _("internal error: dangerous relocation"); |
| 957 | break; |
| 958 | |
| 959 | default: |
| 960 | msg = _("internal error: unknown error"); |
| 961 | break; |
| 962 | } |
| 963 | |
| 964 | if (msg) |
| 965 | r = info->callbacks->warning |
| 966 | (info, msg, name, input_bfd, input_section, rel->r_offset); |
| 967 | |
| 968 | if (! r) |
| 969 | return FALSE; |
| 970 | } |
| 971 | } |
| 972 | |
| 973 | return TRUE; |
| 974 | } |
| 975 | |
| 976 | /* This must exist if dynobj is ever set. */ |
| 977 | |
| 978 | static bfd_boolean |
| 979 | xstormy16_elf_finish_dynamic_sections (bfd *abfd ATTRIBUTE_UNUSED, |
| 980 | struct bfd_link_info *info) |
| 981 | { |
| 982 | bfd *dynobj; |
| 983 | asection *splt; |
| 984 | |
| 985 | /* As an extra sanity check, verify that all plt entries have |
| 986 | been filled in. */ |
| 987 | |
| 988 | if ((dynobj = elf_hash_table (info)->dynobj) != NULL |
| 989 | && (splt = bfd_get_section_by_name (dynobj, ".plt")) != NULL) |
| 990 | { |
| 991 | bfd_byte *contents = splt->contents; |
| 992 | unsigned int i, size = splt->size; |
| 993 | |
| 994 | for (i = 0; i < size; i += 4) |
| 995 | { |
| 996 | unsigned int x = bfd_get_32 (dynobj, contents + i); |
| 997 | |
| 998 | BFD_ASSERT (x != 0); |
| 999 | } |
| 1000 | } |
| 1001 | |
| 1002 | return TRUE; |
| 1003 | } |
| 1004 | \f |
| 1005 | /* Return the section that should be marked against GC for a given |
| 1006 | relocation. */ |
| 1007 | |
| 1008 | static asection * |
| 1009 | xstormy16_elf_gc_mark_hook (asection *sec, |
| 1010 | struct bfd_link_info *info, |
| 1011 | Elf_Internal_Rela *rel, |
| 1012 | struct elf_link_hash_entry *h, |
| 1013 | Elf_Internal_Sym *sym) |
| 1014 | { |
| 1015 | if (h != NULL) |
| 1016 | switch (ELF32_R_TYPE (rel->r_info)) |
| 1017 | { |
| 1018 | case R_XSTORMY16_GNU_VTINHERIT: |
| 1019 | case R_XSTORMY16_GNU_VTENTRY: |
| 1020 | return NULL; |
| 1021 | } |
| 1022 | |
| 1023 | return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym); |
| 1024 | } |
| 1025 | \f |
| 1026 | #define ELF_ARCH bfd_arch_xstormy16 |
| 1027 | #define ELF_MACHINE_CODE EM_XSTORMY16 |
| 1028 | #define ELF_MAXPAGESIZE 0x100 |
| 1029 | |
| 1030 | #define TARGET_LITTLE_SYM bfd_elf32_xstormy16_vec |
| 1031 | #define TARGET_LITTLE_NAME "elf32-xstormy16" |
| 1032 | |
| 1033 | #define elf_info_to_howto_rel NULL |
| 1034 | #define elf_info_to_howto xstormy16_info_to_howto_rela |
| 1035 | #define elf_backend_relocate_section xstormy16_elf_relocate_section |
| 1036 | #define elf_backend_gc_mark_hook xstormy16_elf_gc_mark_hook |
| 1037 | #define elf_backend_check_relocs xstormy16_elf_check_relocs |
| 1038 | #define elf_backend_always_size_sections \ |
| 1039 | xstormy16_elf_always_size_sections |
| 1040 | #define elf_backend_omit_section_dynsym \ |
| 1041 | ((bfd_boolean (*) (bfd *, struct bfd_link_info *, asection *)) bfd_true) |
| 1042 | #define elf_backend_finish_dynamic_sections \ |
| 1043 | xstormy16_elf_finish_dynamic_sections |
| 1044 | |
| 1045 | #define elf_backend_can_gc_sections 1 |
| 1046 | #define elf_backend_rela_normal 1 |
| 1047 | |
| 1048 | #define bfd_elf32_bfd_reloc_type_lookup xstormy16_reloc_type_lookup |
| 1049 | #define bfd_elf32_bfd_reloc_name_lookup \ |
| 1050 | xstormy16_reloc_name_lookup |
| 1051 | #define bfd_elf32_bfd_relax_section xstormy16_elf_relax_section |
| 1052 | |
| 1053 | #include "elf32-target.h" |