Changeset 609 for branches/GNU/src/binutils/bfd/elf32-d10v.c
- Timestamp:
- Aug 16, 2003, 6:59:22 PM (22 years ago)
- File:
-
- 1 edited
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branches/GNU/src/binutils/bfd/elf32-d10v.c
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Property cvs2svn:cvs-rev
changed from
1.1to1.1.1.2
r608 r609 1 1 /* D10V-specific support for 32-bit ELF 2 Copyright 1996, 1998, 1999, 2000 Free Software Foundation, Inc.2 Copyright 1996, 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc. 3 3 Contributed by Martin Hunt (hunt@cygnus.com). 4 4 … … 28 28 PARAMS ((bfd *abfd, bfd_reloc_code_real_type code)); 29 29 static void d10v_info_to_howto_rel 30 PARAMS ((bfd *, arelent *, Elf32_Internal_Rel *)); 31 32 /* Use REL instead of RELA to save space */ 33 #define USE_REL 30 PARAMS ((bfd *, arelent *, Elf_Internal_Rela *)); 31 static asection * elf32_d10v_gc_mark_hook 32 PARAMS ((asection *, struct bfd_link_info *, Elf_Internal_Rela *, 33 struct elf_link_hash_entry *, Elf_Internal_Sym *)); 34 static bfd_boolean elf32_d10v_gc_sweep_hook 35 PARAMS ((bfd *, struct bfd_link_info *, asection *, 36 const Elf_Internal_Rela *)); 37 static bfd_boolean elf32_d10v_check_relocs 38 PARAMS ((bfd *, struct bfd_link_info *, asection *, 39 const Elf_Internal_Rela *)); 40 static bfd_boolean elf32_d10v_relocate_section 41 PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, 42 bfd_byte *, Elf_Internal_Rela *, Elf_Internal_Sym *, 43 asection **)); 44 45 /* Use REL instead of RELA to save space. */ 46 #define USE_REL 1 34 47 35 48 static reloc_howto_type elf_d10v_howto_table[] = 36 { 37 /* This reloc does nothing. */ 38 HOWTO (R_D10V_NONE, /* type */ 39 0, /* rightshift */ 40 2, /* size (0 = byte, 1 = short, 2 = long) */ 41 32, /* bitsize */ 42 false, /* pc_relative */ 43 0, /* bitpos */ 44 complain_overflow_bitfield, /* complain_on_overflow */ 45 bfd_elf_generic_reloc, /* special_function */ 46 "R_D10V_NONE", /* name */ 47 false, /* partial_inplace */ 48 0, /* src_mask */ 49 0, /* dst_mask */ 50 false), /* pcrel_offset */ 51 52 /* An PC Relative 10-bit relocation, shifted by 2 */ 53 /* right container */ 54 HOWTO (R_D10V_10_PCREL_R, /* type */ 55 2, /* rightshift */ 56 2, /* size (0 = byte, 1 = short, 2 = long) */ 57 10, /* bitsize */ 58 true, /* pc_relative */ 59 0, /* bitpos */ 60 complain_overflow_bitfield, /* complain_on_overflow */ 61 bfd_elf_generic_reloc, /* special_function */ 62 "R_D10V_10_PCREL_R", /* name */ 63 false, /* partial_inplace */ 64 0xff, /* src_mask */ 65 0xff, /* dst_mask */ 66 true), /* pcrel_offset */ 67 68 /* An PC Relative 10-bit relocation, shifted by 2 */ 69 /* left container */ 70 HOWTO (R_D10V_10_PCREL_L, /* type */ 71 2, /* rightshift */ 72 2, /* size (0 = byte, 1 = short, 2 = long) */ 73 10, /* bitsize */ 74 true, /* pc_relative */ 75 15, /* bitpos */ 76 complain_overflow_bitfield, /* complain_on_overflow */ 77 bfd_elf_generic_reloc, /* special_function */ 78 "R_D10V_10_PCREL_L", /* name */ 79 false, /* partial_inplace */ 80 0x07f8000, /* src_mask */ 81 0x07f8000, /* dst_mask */ 82 true), /* pcrel_offset */ 83 84 /* A 16 bit absolute relocation */ 85 HOWTO (R_D10V_16, /* type */ 86 0, /* rightshift */ 87 1, /* size (0 = byte, 1 = short, 2 = long) */ 88 16, /* bitsize */ 89 false, /* pc_relative */ 90 0, /* bitpos */ 91 complain_overflow_dont, /* complain_on_overflow */ 92 bfd_elf_generic_reloc, /* special_function */ 93 "R_D10V_16", /* name */ 94 false, /* partial_inplace */ 95 0xffff, /* src_mask */ 96 0xffff, /* dst_mask */ 97 false), /* pcrel_offset */ 98 99 /* An 18 bit absolute relocation, right shifted 2 */ 100 HOWTO (R_D10V_18, /* type */ 101 2, /* rightshift */ 102 1, /* size (0 = byte, 1 = short, 2 = long) */ 103 18, /* bitsize */ 104 false, /* pc_relative */ 105 0, /* bitpos */ 106 complain_overflow_dont, /* complain_on_overflow */ 107 bfd_elf_generic_reloc, /* special_function */ 108 "R_D10V_18", /* name */ 109 false, /* partial_inplace */ 110 0xffff, /* src_mask */ 111 0xffff, /* dst_mask */ 112 false), /* pcrel_offset */ 113 114 /* A relative 18 bit relocation, right shifted by 2 */ 115 HOWTO (R_D10V_18_PCREL, /* type */ 116 2, /* rightshift */ 117 2, /* size (0 = byte, 1 = short, 2 = long) */ 118 18, /* bitsize */ 119 true, /* pc_relative */ 120 0, /* bitpos */ 121 complain_overflow_signed, /* complain_on_overflow */ 122 bfd_elf_generic_reloc, /* special_function */ 123 "R_D10V_18_PCREL", /* name */ 124 false, /* partial_inplace */ 125 0xffff, /* src_mask */ 126 0xffff, /* dst_mask */ 127 true), /* pcrel_offset */ 128 129 /* A 32 bit absolute relocation */ 130 HOWTO (R_D10V_32, /* type */ 131 0, /* rightshift */ 132 2, /* size (0 = byte, 1 = short, 2 = long) */ 133 32, /* bitsize */ 134 false, /* pc_relative */ 135 0, /* bitpos */ 136 complain_overflow_bitfield, /* complain_on_overflow */ 137 bfd_elf_generic_reloc, /* special_function */ 138 "R_D10V_32", /* name */ 139 false, /* partial_inplace */ 140 0xffffffff, /* src_mask */ 141 0xffffffff, /* dst_mask */ 142 false), /* pcrel_offset */ 143 144 /* GNU extension to record C++ vtable hierarchy */ 145 HOWTO (R_D10V_GNU_VTINHERIT, /* type */ 146 0, /* rightshift */ 147 2, /* size (0 = byte, 1 = short, 2 = long) */ 148 0, /* bitsize */ 149 false, /* pc_relative */ 150 0, /* bitpos */ 151 complain_overflow_dont, /* complain_on_overflow */ 152 NULL, /* special_function */ 153 "R_D10V_GNU_VTINHERIT", /* name */ 154 false, /* partial_inplace */ 155 0, /* src_mask */ 156 0, /* dst_mask */ 157 false), /* pcrel_offset */ 158 159 /* GNU extension to record C++ vtable member usage */ 160 HOWTO (R_D10V_GNU_VTENTRY, /* type */ 161 0, /* rightshift */ 162 2, /* size (0 = byte, 1 = short, 2 = long) */ 163 0, /* bitsize */ 164 false, /* pc_relative */ 165 0, /* bitpos */ 166 complain_overflow_dont, /* complain_on_overflow */ 167 _bfd_elf_rel_vtable_reloc_fn, /* special_function */ 168 "R_D10V_GNU_VTENTRY", /* name */ 169 false, /* partial_inplace */ 170 0, /* src_mask */ 171 0, /* dst_mask */ 172 false), /* pcrel_offset */ 173 174 }; 49 { 50 /* This reloc does nothing. */ 51 HOWTO (R_D10V_NONE, /* type */ 52 0, /* rightshift */ 53 2, /* size (0 = byte, 1 = short, 2 = long) */ 54 32, /* bitsize */ 55 FALSE, /* pc_relative */ 56 0, /* bitpos */ 57 complain_overflow_dont, /* complain_on_overflow */ 58 bfd_elf_generic_reloc, /* special_function */ 59 "R_D10V_NONE", /* name */ 60 FALSE, /* partial_inplace */ 61 0, /* src_mask */ 62 0, /* dst_mask */ 63 FALSE), /* pcrel_offset */ 64 65 /* An PC Relative 10-bit relocation, shifted by 2 */ 66 /* right container */ 67 HOWTO (R_D10V_10_PCREL_R, /* type */ 68 2, /* rightshift */ 69 2, /* size (0 = byte, 1 = short, 2 = long) */ 70 7, /* bitsize */ 71 TRUE, /* pc_relative */ 72 0, /* bitpos */ 73 complain_overflow_bitfield, /* complain_on_overflow */ 74 bfd_elf_generic_reloc, /* special_function */ 75 "R_D10V_10_PCREL_R", /* name */ 76 FALSE, /* partial_inplace */ 77 0xff, /* src_mask */ 78 0xff, /* dst_mask */ 79 TRUE), /* pcrel_offset */ 80 81 /* An PC Relative 10-bit relocation, shifted by 2 */ 82 /* left container */ 83 HOWTO (R_D10V_10_PCREL_L, /* type */ 84 2, /* rightshift */ 85 2, /* size (0 = byte, 1 = short, 2 = long) */ 86 7, /* bitsize */ 87 TRUE, /* pc_relative */ 88 15, /* bitpos */ 89 complain_overflow_bitfield, /* complain_on_overflow */ 90 bfd_elf_generic_reloc, /* special_function */ 91 "R_D10V_10_PCREL_L", /* name */ 92 FALSE, /* partial_inplace */ 93 0x07f8000, /* src_mask */ 94 0x07f8000, /* dst_mask */ 95 TRUE), /* pcrel_offset */ 96 97 /* A 16 bit absolute relocation */ 98 HOWTO (R_D10V_16, /* type */ 99 0, /* rightshift */ 100 1, /* size (0 = byte, 1 = short, 2 = long) */ 101 16, /* bitsize */ 102 FALSE, /* pc_relative */ 103 0, /* bitpos */ 104 complain_overflow_dont, /* complain_on_overflow */ 105 bfd_elf_generic_reloc, /* special_function */ 106 "R_D10V_16", /* name */ 107 FALSE, /* partial_inplace */ 108 0xffff, /* src_mask */ 109 0xffff, /* dst_mask */ 110 FALSE), /* pcrel_offset */ 111 112 /* An 18 bit absolute relocation, right shifted 2 */ 113 HOWTO (R_D10V_18, /* type */ 114 2, /* rightshift */ 115 1, /* size (0 = byte, 1 = short, 2 = long) */ 116 16, /* bitsize */ 117 FALSE, /* pc_relative */ 118 0, /* bitpos */ 119 complain_overflow_dont, /* complain_on_overflow */ 120 bfd_elf_generic_reloc, /* special_function */ 121 "R_D10V_18", /* name */ 122 FALSE, /* partial_inplace */ 123 0xffff, /* src_mask */ 124 0xffff, /* dst_mask */ 125 FALSE), /* pcrel_offset */ 126 127 /* A relative 18 bit relocation, right shifted by 2 */ 128 HOWTO (R_D10V_18_PCREL, /* type */ 129 2, /* rightshift */ 130 2, /* size (0 = byte, 1 = short, 2 = long) */ 131 15, /* bitsize */ 132 TRUE, /* pc_relative */ 133 0, /* bitpos */ 134 complain_overflow_bitfield, /* complain_on_overflow */ 135 bfd_elf_generic_reloc, /* special_function */ 136 "R_D10V_18_PCREL", /* name */ 137 FALSE, /* partial_inplace */ 138 0xffff, /* src_mask */ 139 0xffff, /* dst_mask */ 140 TRUE), /* pcrel_offset */ 141 142 /* A 32 bit absolute relocation */ 143 HOWTO (R_D10V_32, /* type */ 144 0, /* rightshift */ 145 2, /* size (0 = byte, 1 = short, 2 = long) */ 146 32, /* bitsize */ 147 FALSE, /* pc_relative */ 148 0, /* bitpos */ 149 complain_overflow_dont, /* complain_on_overflow */ 150 bfd_elf_generic_reloc, /* special_function */ 151 "R_D10V_32", /* name */ 152 FALSE, /* partial_inplace */ 153 0xffffffff, /* src_mask */ 154 0xffffffff, /* dst_mask */ 155 FALSE), /* pcrel_offset */ 156 157 /* GNU extension to record C++ vtable hierarchy */ 158 HOWTO (R_D10V_GNU_VTINHERIT, /* type */ 159 0, /* rightshift */ 160 2, /* size (0 = byte, 1 = short, 2 = long) */ 161 0, /* bitsize */ 162 FALSE, /* pc_relative */ 163 0, /* bitpos */ 164 complain_overflow_dont, /* complain_on_overflow */ 165 NULL, /* special_function */ 166 "R_D10V_GNU_VTINHERIT", /* name */ 167 FALSE, /* partial_inplace */ 168 0, /* src_mask */ 169 0, /* dst_mask */ 170 FALSE), /* pcrel_offset */ 171 172 /* GNU extension to record C++ vtable member usage */ 173 HOWTO (R_D10V_GNU_VTENTRY, /* type */ 174 0, /* rightshift */ 175 2, /* size (0 = byte, 1 = short, 2 = long) */ 176 0, /* bitsize */ 177 FALSE, /* pc_relative */ 178 0, /* bitpos */ 179 complain_overflow_dont, /* complain_on_overflow */ 180 _bfd_elf_rel_vtable_reloc_fn, /* special_function */ 181 "R_D10V_GNU_VTENTRY", /* name */ 182 FALSE, /* partial_inplace */ 183 0, /* src_mask */ 184 0, /* dst_mask */ 185 FALSE), /* pcrel_offset */ 186 }; 175 187 176 188 /* Map BFD reloc types to D10V ELF reloc types. */ 177 189 178 190 struct d10v_reloc_map 179 {180 bfd_reloc_code_real_type bfd_reloc_val;181 unsigned char elf_reloc_val;182 };183 184 185 {186 { BFD_RELOC_NONE, R_D10V_NONE, },187 { BFD_RELOC_D10V_10_PCREL_R, R_D10V_10_PCREL_R },188 { BFD_RELOC_D10V_10_PCREL_L, R_D10V_10_PCREL_L },189 { BFD_RELOC_16, R_D10V_16 },190 { BFD_RELOC_D10V_18, R_D10V_18 },191 { BFD_RELOC_D10V_18_PCREL, R_D10V_18_PCREL },192 { BFD_RELOC_32, R_D10V_32 },193 { BFD_RELOC_VTABLE_INHERIT, R_D10V_GNU_VTINHERIT },194 { BFD_RELOC_VTABLE_ENTRY, R_D10V_GNU_VTENTRY },195 };191 { 192 bfd_reloc_code_real_type bfd_reloc_val; 193 unsigned char elf_reloc_val; 194 }; 195 196 static const struct d10v_reloc_map d10v_reloc_map[] = 197 { 198 { BFD_RELOC_NONE, R_D10V_NONE, }, 199 { BFD_RELOC_D10V_10_PCREL_R, R_D10V_10_PCREL_R }, 200 { BFD_RELOC_D10V_10_PCREL_L, R_D10V_10_PCREL_L }, 201 { BFD_RELOC_16, R_D10V_16 }, 202 { BFD_RELOC_D10V_18, R_D10V_18 }, 203 { BFD_RELOC_D10V_18_PCREL, R_D10V_18_PCREL }, 204 { BFD_RELOC_32, R_D10V_32 }, 205 { BFD_RELOC_VTABLE_INHERIT, R_D10V_GNU_VTINHERIT }, 206 { BFD_RELOC_VTABLE_ENTRY, R_D10V_GNU_VTENTRY }, 207 }; 196 208 197 209 static reloc_howto_type * … … 219 231 bfd *abfd ATTRIBUTE_UNUSED; 220 232 arelent *cache_ptr; 221 Elf 32_Internal_Rel*dst;233 Elf_Internal_Rela *dst; 222 234 { 223 235 unsigned int r_type; … … 229 241 230 242 static asection * 231 elf32_d10v_gc_mark_hook ( abfd, info, rel, h, sym)232 bfd *abfd;233 234 235 236 243 elf32_d10v_gc_mark_hook (sec, info, rel, h, sym) 244 asection *sec; 245 struct bfd_link_info *info ATTRIBUTE_UNUSED; 246 Elf_Internal_Rela *rel; 247 struct elf_link_hash_entry *h; 248 Elf_Internal_Sym *sym; 237 249 { 238 250 if (h != NULL) … … 260 272 } 261 273 else 262 { 263 if (!(elf_bad_symtab (abfd) 264 && ELF_ST_BIND (sym->st_info) != STB_LOCAL) 265 && ! ((sym->st_shndx <= 0 || sym->st_shndx >= SHN_LORESERVE) 266 && sym->st_shndx != SHN_COMMON)) 267 { 268 return bfd_section_from_elf_index (abfd, sym->st_shndx); 269 } 270 } 274 return bfd_section_from_elf_index (sec->owner, sym->st_shndx); 275 271 276 return NULL; 272 277 } 273 278 274 static b oolean279 static bfd_boolean 275 280 elf32_d10v_gc_sweep_hook (abfd, info, sec, relocs) 276 281 bfd *abfd ATTRIBUTE_UNUSED; … … 280 285 { 281 286 /* we don't use got and plt entries for d10v */ 282 return true;287 return TRUE; 283 288 } 284 289 … … 287 292 virtual table relocs for gc. */ 288 293 289 static b oolean294 static bfd_boolean 290 295 elf32_d10v_check_relocs (abfd, info, sec, relocs) 291 296 bfd *abfd; … … 300 305 301 306 if (info->relocateable) 302 return true;307 return TRUE; 303 308 304 309 symtab_hdr = &elf_tdata (abfd)->symtab_hdr; … … 326 331 case R_D10V_GNU_VTINHERIT: 327 332 if (!_bfd_elf32_gc_record_vtinherit (abfd, sec, h, rel->r_offset)) 328 return false;333 return FALSE; 329 334 break; 330 335 … … 333 338 case R_D10V_GNU_VTENTRY: 334 339 if (!_bfd_elf32_gc_record_vtentry (abfd, sec, h, rel->r_offset)) 335 return false;340 return FALSE; 336 341 break; 337 342 } 338 343 } 339 344 340 return true;345 return TRUE; 341 346 } 342 347 343 348 /* Relocate a D10V ELF section. */ 344 static b oolean349 static bfd_boolean 345 350 elf32_d10v_relocate_section (output_bfd, info, input_bfd, input_section, 346 351 contents, relocs, local_syms, local_sections) 347 bfd *output_bfd ATTRIBUTE_UNUSED;352 bfd *output_bfd; 348 353 struct bfd_link_info *info; 349 354 bfd *input_bfd; … … 411 416 sym = local_syms + r_symndx; 412 417 sec = local_sections[r_symndx]; 413 relocation = (sec->output_section->vma 414 + sec->output_offset 415 + sym->st_value); 418 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, sec, rel); 416 419 } 417 420 else … … 435 438 if (!((*info->callbacks->undefined_symbol) 436 439 (info, h->root.root.string, input_bfd, 437 input_section, rel->r_offset, true)))438 return false;440 input_section, rel->r_offset, TRUE))) 441 return FALSE; 439 442 relocation = 0; 440 443 } … … 465 468 (info, name, howto->name, (bfd_vma) 0, 466 469 input_bfd, input_section, rel->r_offset))) 467 return false;470 return FALSE; 468 471 break; 469 472 … … 471 474 if (!((*info->callbacks->undefined_symbol) 472 475 (info, name, input_bfd, input_section, 473 rel->r_offset, true)))474 return false;476 rel->r_offset, TRUE))) 477 return FALSE; 475 478 break; 476 479 477 480 case bfd_reloc_outofrange: 478 msg = _ 481 msg = _("internal error: out of range error"); 479 482 goto common_error; 480 483 481 484 case bfd_reloc_notsupported: 482 msg = _ 485 msg = _("internal error: unsupported relocation error"); 483 486 goto common_error; 484 487 485 488 case bfd_reloc_dangerous: 486 msg = _ 489 msg = _("internal error: dangerous error"); 487 490 goto common_error; 488 491 489 492 default: 490 msg = _ 493 msg = _("internal error: unknown error"); 491 494 /* fall through */ 492 495 … … 495 498 (info, msg, name, input_bfd, input_section, 496 499 rel->r_offset))) 497 return false;500 return FALSE; 498 501 break; 499 502 } … … 501 504 } 502 505 503 return true;506 return TRUE; 504 507 } 505 508 #define ELF_ARCH bfd_arch_d10v 506 #define ELF_MACHINE_CODE EM_CYGNUS_D10V 509 #define ELF_MACHINE_CODE EM_D10V 510 #define ELF_MACHINE_ALT1 EM_CYGNUS_D10V 507 511 #define ELF_MAXPAGESIZE 0x1000 508 512 -
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