projects / thirdparty / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| adde6300 | 1 | /* AVR-specific support for 32-bit ELF |
| b2a8e766 AM |
2 | Copyright 1999, 2000, 2001, 2002, 2003, 2004 |
| 3 | Free Software Foundation, Inc. | |
| adde6300 AM |
4 | Contributed by Denis Chertykov <denisc@overta.ru> |
| 5 | ||
| 6 | This file is part of BFD, the Binary File Descriptor library. | |
| 7 | ||
| 8 | This program is free software; you can redistribute it and/or modify | |
| 9 | it under the terms of the GNU General Public License as published by | |
| 10 | the Free Software Foundation; either version 2 of the License, or | |
| 11 | (at your option) any later version. | |
| 12 | ||
| 13 | This program is distributed in the hope that it will be useful, | |
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 16 | GNU General Public License for more details. | |
| 17 | ||
| 18 | You should have received a copy of the GNU General Public License | |
| 19 | along with this program; if not, write to the Free Software | |
| 20 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
| 21 | ||
| adde6300 AM |
22 | #include "bfd.h" |
| 23 | #include "sysdep.h" | |
| 24 | #include "libbfd.h" | |
| 25 | #include "elf-bfd.h" | |
| 26 | #include "elf/avr.h" | |
| 27 | ||
| 28 | static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup | |
| 29 | PARAMS ((bfd *abfd, bfd_reloc_code_real_type code)); | |
| 30 | static void avr_info_to_howto_rela | |
| 947216bf | 31 | PARAMS ((bfd *, arelent *, Elf_Internal_Rela *)); |
| adde6300 | 32 | static asection *elf32_avr_gc_mark_hook |
| 1e2f5b6e | 33 | PARAMS ((asection *, struct bfd_link_info *, Elf_Internal_Rela *, |
| adde6300 | 34 | struct elf_link_hash_entry *, Elf_Internal_Sym *)); |
| b34976b6 | 35 | static bfd_boolean elf32_avr_gc_sweep_hook |
| adde6300 AM |
36 | PARAMS ((bfd *, struct bfd_link_info *, asection *, |
| 37 | const Elf_Internal_Rela *)); | |
| b34976b6 | 38 | static bfd_boolean elf32_avr_check_relocs |
| adde6300 AM |
39 | PARAMS ((bfd *, struct bfd_link_info *, asection *, |
| 40 | const Elf_Internal_Rela *)); | |
| 41 | static bfd_reloc_status_type avr_final_link_relocate | |
| 42 | PARAMS ((reloc_howto_type *, bfd *, asection *, bfd_byte *, | |
| 43 | Elf_Internal_Rela *, bfd_vma)); | |
| b34976b6 | 44 | static bfd_boolean elf32_avr_relocate_section |
| adde6300 AM |
45 | PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, |
| 46 | Elf_Internal_Rela *, Elf_Internal_Sym *, asection **)); | |
| b34976b6 AM |
47 | static void bfd_elf_avr_final_write_processing PARAMS ((bfd *, bfd_boolean)); |
| 48 | static bfd_boolean elf32_avr_object_p PARAMS ((bfd *)); | |
| adde6300 | 49 | |
| adde6300 AM |
50 | static reloc_howto_type elf_avr_howto_table[] = |
| 51 | { | |
| 52 | HOWTO (R_AVR_NONE, /* type */ | |
| 53 | 0, /* rightshift */ | |
| 54 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
| 55 | 32, /* bitsize */ | |
| b34976b6 | 56 | FALSE, /* pc_relative */ |
| adde6300 AM |
57 | 0, /* bitpos */ |
| 58 | complain_overflow_bitfield, /* complain_on_overflow */ | |
| 59 | bfd_elf_generic_reloc, /* special_function */ | |
| 60 | "R_AVR_NONE", /* name */ | |
| b34976b6 | 61 | FALSE, /* partial_inplace */ |
| adde6300 AM |
62 | 0, /* src_mask */ |
| 63 | 0, /* dst_mask */ | |
| b34976b6 | 64 | FALSE), /* pcrel_offset */ |
| adde6300 AM |
65 | |
| 66 | HOWTO (R_AVR_32, /* type */ | |
| 67 | 0, /* rightshift */ | |
| 68 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
| 69 | 32, /* bitsize */ | |
| b34976b6 | 70 | FALSE, /* pc_relative */ |
| adde6300 AM |
71 | 0, /* bitpos */ |
| 72 | complain_overflow_bitfield, /* complain_on_overflow */ | |
| 73 | bfd_elf_generic_reloc, /* special_function */ | |
| 74 | "R_AVR_32", /* name */ | |
| b34976b6 | 75 | FALSE, /* partial_inplace */ |
| adde6300 AM |
76 | 0xffffffff, /* src_mask */ |
| 77 | 0xffffffff, /* dst_mask */ | |
| b34976b6 | 78 | FALSE), /* pcrel_offset */ |
| adde6300 AM |
79 | |
| 80 | /* A 7 bit PC relative relocation. */ | |
| 81 | HOWTO (R_AVR_7_PCREL, /* type */ | |
| 82 | 1, /* rightshift */ | |
| 83 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
| 84 | 7, /* bitsize */ | |
| b34976b6 | 85 | TRUE, /* pc_relative */ |
| adde6300 AM |
86 | 3, /* bitpos */ |
| 87 | complain_overflow_bitfield, /* complain_on_overflow */ | |
| 88 | bfd_elf_generic_reloc, /* special_function */ | |
| 89 | "R_AVR_7_PCREL", /* name */ | |
| b34976b6 | 90 | FALSE, /* partial_inplace */ |
| adde6300 AM |
91 | 0xffff, /* src_mask */ |
| 92 | 0xffff, /* dst_mask */ | |
| b34976b6 | 93 | TRUE), /* pcrel_offset */ |
| adde6300 AM |
94 | |
| 95 | /* A 13 bit PC relative relocation. */ | |
| 96 | HOWTO (R_AVR_13_PCREL, /* type */ | |
| 97 | 1, /* rightshift */ | |
| 98 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
| 99 | 13, /* bitsize */ | |
| b34976b6 | 100 | TRUE, /* pc_relative */ |
| adde6300 AM |
101 | 0, /* bitpos */ |
| 102 | complain_overflow_bitfield, /* complain_on_overflow */ | |
| 103 | bfd_elf_generic_reloc, /* special_function */ | |
| 104 | "R_AVR_13_PCREL", /* name */ | |
| b34976b6 | 105 | FALSE, /* partial_inplace */ |
| adde6300 AM |
106 | 0xfff, /* src_mask */ |
| 107 | 0xfff, /* dst_mask */ | |
| b34976b6 | 108 | TRUE), /* pcrel_offset */ |
| adde6300 AM |
109 | |
| 110 | /* A 16 bit absolute relocation. */ | |
| 111 | HOWTO (R_AVR_16, /* type */ | |
| 112 | 0, /* rightshift */ | |
| 113 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
| 114 | 16, /* bitsize */ | |
| b34976b6 | 115 | FALSE, /* pc_relative */ |
| adde6300 AM |
116 | 0, /* bitpos */ |
| 117 | complain_overflow_dont, /* complain_on_overflow */ | |
| 118 | bfd_elf_generic_reloc, /* special_function */ | |
| 119 | "R_AVR_16", /* name */ | |
| b34976b6 | 120 | FALSE, /* partial_inplace */ |
| adde6300 AM |
121 | 0xffff, /* src_mask */ |
| 122 | 0xffff, /* dst_mask */ | |
| b34976b6 | 123 | FALSE), /* pcrel_offset */ |
| adde6300 AM |
124 | |
| 125 | /* A 16 bit absolute relocation for command address. */ | |
| 126 | HOWTO (R_AVR_16_PM, /* type */ | |
| 127 | 1, /* rightshift */ | |
| 128 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
| 129 | 16, /* bitsize */ | |
| b34976b6 | 130 | FALSE, /* pc_relative */ |
| adde6300 AM |
131 | 0, /* bitpos */ |
| 132 | complain_overflow_bitfield, /* complain_on_overflow */ | |
| 133 | bfd_elf_generic_reloc, /* special_function */ | |
| 134 | "R_AVR_16_PM", /* name */ | |
| b34976b6 | 135 | FALSE, /* partial_inplace */ |
| adde6300 AM |
136 | 0xffff, /* src_mask */ |
| 137 | 0xffff, /* dst_mask */ | |
| b34976b6 | 138 | FALSE), /* pcrel_offset */ |
| adde6300 AM |
139 | /* A low 8 bit absolute relocation of 16 bit address. |
| 140 | For LDI command. */ | |
| 141 | HOWTO (R_AVR_LO8_LDI, /* type */ | |
| 142 | 0, /* rightshift */ | |
| 143 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
| 144 | 8, /* bitsize */ | |
| b34976b6 | 145 | FALSE, /* pc_relative */ |
| adde6300 AM |
146 | 0, /* bitpos */ |
| 147 | complain_overflow_dont, /* complain_on_overflow */ | |
| 148 | bfd_elf_generic_reloc, /* special_function */ | |
| 149 | "R_AVR_LO8_LDI", /* name */ | |
| b34976b6 | 150 | FALSE, /* partial_inplace */ |
| adde6300 AM |
151 | 0xffff, /* src_mask */ |
| 152 | 0xffff, /* dst_mask */ | |
| b34976b6 | 153 | FALSE), /* pcrel_offset */ |
| adde6300 AM |
154 | /* A high 8 bit absolute relocation of 16 bit address. |
| 155 | For LDI command. */ | |
| 156 | HOWTO (R_AVR_HI8_LDI, /* type */ | |
| 157 | 8, /* rightshift */ | |
| 158 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
| 159 | 8, /* bitsize */ | |
| b34976b6 | 160 | FALSE, /* pc_relative */ |
| adde6300 AM |
161 | 0, /* bitpos */ |
| 162 | complain_overflow_dont, /* complain_on_overflow */ | |
| 163 | bfd_elf_generic_reloc, /* special_function */ | |
| 164 | "R_AVR_HI8_LDI", /* name */ | |
| b34976b6 | 165 | FALSE, /* partial_inplace */ |
| adde6300 AM |
166 | 0xffff, /* src_mask */ |
| 167 | 0xffff, /* dst_mask */ | |
| b34976b6 | 168 | FALSE), /* pcrel_offset */ |
| adde6300 AM |
169 | /* A high 6 bit absolute relocation of 22 bit address. |
| 170 | For LDI command. */ | |
| 171 | HOWTO (R_AVR_HH8_LDI, /* type */ | |
| 172 | 16, /* rightshift */ | |
| 173 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
| 174 | 8, /* bitsize */ | |
| b34976b6 | 175 | FALSE, /* pc_relative */ |
| adde6300 AM |
176 | 0, /* bitpos */ |
| 177 | complain_overflow_dont, /* complain_on_overflow */ | |
| 178 | bfd_elf_generic_reloc, /* special_function */ | |
| 179 | "R_AVR_HH8_LDI", /* name */ | |
| b34976b6 | 180 | FALSE, /* partial_inplace */ |
| adde6300 AM |
181 | 0xffff, /* src_mask */ |
| 182 | 0xffff, /* dst_mask */ | |
| b34976b6 | 183 | FALSE), /* pcrel_offset */ |
| adde6300 AM |
184 | /* A negative low 8 bit absolute relocation of 16 bit address. |
| 185 | For LDI command. */ | |
| 186 | HOWTO (R_AVR_LO8_LDI_NEG, /* type */ | |
| 187 | 0, /* rightshift */ | |
| 188 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
| 189 | 8, /* bitsize */ | |
| b34976b6 | 190 | FALSE, /* pc_relative */ |
| adde6300 AM |
191 | 0, /* bitpos */ |
| 192 | complain_overflow_dont, /* complain_on_overflow */ | |
| 193 | bfd_elf_generic_reloc, /* special_function */ | |
| 194 | "R_AVR_LO8_LDI_NEG", /* name */ | |
| b34976b6 | 195 | FALSE, /* partial_inplace */ |
| adde6300 AM |
196 | 0xffff, /* src_mask */ |
| 197 | 0xffff, /* dst_mask */ | |
| b34976b6 | 198 | FALSE), /* pcrel_offset */ |
| adde6300 AM |
199 | /* A hegative high 8 bit absolute relocation of 16 bit address. |
| 200 | For LDI command. */ | |
| 201 | HOWTO (R_AVR_HI8_LDI_NEG, /* type */ | |
| 202 | 8, /* rightshift */ | |
| 203 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
| 204 | 8, /* bitsize */ | |
| b34976b6 | 205 | FALSE, /* pc_relative */ |
| adde6300 AM |
206 | 0, /* bitpos */ |
| 207 | complain_overflow_dont, /* complain_on_overflow */ | |
| 208 | bfd_elf_generic_reloc, /* special_function */ | |
| 209 | "R_AVR_HI8_LDI_NEG", /* name */ | |
| b34976b6 | 210 | FALSE, /* partial_inplace */ |
| adde6300 AM |
211 | 0xffff, /* src_mask */ |
| 212 | 0xffff, /* dst_mask */ | |
| b34976b6 | 213 | FALSE), /* pcrel_offset */ |
| adde6300 AM |
214 | /* A hegative high 6 bit absolute relocation of 22 bit address. |
| 215 | For LDI command. */ | |
| 216 | HOWTO (R_AVR_HH8_LDI_NEG, /* type */ | |
| 217 | 16, /* rightshift */ | |
| 218 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
| 219 | 8, /* bitsize */ | |
| b34976b6 | 220 | FALSE, /* pc_relative */ |
| adde6300 AM |
221 | 0, /* bitpos */ |
| 222 | complain_overflow_dont, /* complain_on_overflow */ | |
| 223 | bfd_elf_generic_reloc, /* special_function */ | |
| 224 | "R_AVR_HH8_LDI_NEG", /* name */ | |
| b34976b6 | 225 | FALSE, /* partial_inplace */ |
| adde6300 AM |
226 | 0xffff, /* src_mask */ |
| 227 | 0xffff, /* dst_mask */ | |
| b34976b6 | 228 | FALSE), /* pcrel_offset */ |
| adde6300 AM |
229 | /* A low 8 bit absolute relocation of 24 bit program memory address. |
| 230 | For LDI command. */ | |
| 231 | HOWTO (R_AVR_LO8_LDI_PM, /* type */ | |
| 232 | 1, /* rightshift */ | |
| 233 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
| 234 | 8, /* bitsize */ | |
| b34976b6 | 235 | FALSE, /* pc_relative */ |
| adde6300 AM |
236 | 0, /* bitpos */ |
| 237 | complain_overflow_dont, /* complain_on_overflow */ | |
| 238 | bfd_elf_generic_reloc, /* special_function */ | |
| 239 | "R_AVR_LO8_LDI_PM", /* name */ | |
| b34976b6 | 240 | FALSE, /* partial_inplace */ |
| adde6300 AM |
241 | 0xffff, /* src_mask */ |
| 242 | 0xffff, /* dst_mask */ | |
| b34976b6 | 243 | FALSE), /* pcrel_offset */ |
| adde6300 AM |
244 | /* A high 8 bit absolute relocation of 16 bit program memory address. |
| 245 | For LDI command. */ | |
| 246 | HOWTO (R_AVR_HI8_LDI_PM, /* type */ | |
| 247 | 9, /* rightshift */ | |
| 248 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
| 249 | 8, /* bitsize */ | |
| b34976b6 | 250 | FALSE, /* pc_relative */ |
| adde6300 AM |
251 | 0, /* bitpos */ |
| 252 | complain_overflow_dont, /* complain_on_overflow */ | |
| 253 | bfd_elf_generic_reloc, /* special_function */ | |
| 254 | "R_AVR_HI8_LDI_PM", /* name */ | |
| b34976b6 | 255 | FALSE, /* partial_inplace */ |
| adde6300 AM |
256 | 0xffff, /* src_mask */ |
| 257 | 0xffff, /* dst_mask */ | |
| b34976b6 | 258 | FALSE), /* pcrel_offset */ |
| adde6300 AM |
259 | /* A high 8 bit absolute relocation of 24 bit program memory address. |
| 260 | For LDI command. */ | |
| 261 | HOWTO (R_AVR_HH8_LDI_PM, /* type */ | |
| 262 | 17, /* rightshift */ | |
| 263 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
| 264 | 8, /* bitsize */ | |
| b34976b6 | 265 | FALSE, /* pc_relative */ |
| adde6300 AM |
266 | 0, /* bitpos */ |
| 267 | complain_overflow_dont, /* complain_on_overflow */ | |
| 268 | bfd_elf_generic_reloc, /* special_function */ | |
| 269 | "R_AVR_HH8_LDI_PM", /* name */ | |
| b34976b6 | 270 | FALSE, /* partial_inplace */ |
| adde6300 AM |
271 | 0xffff, /* src_mask */ |
| 272 | 0xffff, /* dst_mask */ | |
| b34976b6 | 273 | FALSE), /* pcrel_offset */ |
| adde6300 AM |
274 | /* A low 8 bit absolute relocation of a negative 24 bit |
| 275 | program memory address. For LDI command. */ | |
| 276 | HOWTO (R_AVR_LO8_LDI_PM_NEG, /* type */ | |
| 277 | 1, /* rightshift */ | |
| 278 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
| 279 | 8, /* bitsize */ | |
| b34976b6 | 280 | FALSE, /* pc_relative */ |
| adde6300 AM |
281 | 0, /* bitpos */ |
| 282 | complain_overflow_dont, /* complain_on_overflow */ | |
| 283 | bfd_elf_generic_reloc, /* special_function */ | |
| 284 | "R_AVR_LO8_LDI_PM_NEG", /* name */ | |
| b34976b6 | 285 | FALSE, /* partial_inplace */ |
| adde6300 AM |
286 | 0xffff, /* src_mask */ |
| 287 | 0xffff, /* dst_mask */ | |
| b34976b6 | 288 | FALSE), /* pcrel_offset */ |
| adde6300 AM |
289 | /* A high 8 bit absolute relocation of a negative 16 bit |
| 290 | program memory address. For LDI command. */ | |
| 291 | HOWTO (R_AVR_HI8_LDI_PM_NEG, /* type */ | |
| 292 | 9, /* rightshift */ | |
| 293 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
| 294 | 8, /* bitsize */ | |
| b34976b6 | 295 | FALSE, /* pc_relative */ |
| adde6300 AM |
296 | 0, /* bitpos */ |
| 297 | complain_overflow_dont, /* complain_on_overflow */ | |
| 298 | bfd_elf_generic_reloc, /* special_function */ | |
| 299 | "R_AVR_HI8_LDI_PM_NEG", /* name */ | |
| b34976b6 | 300 | FALSE, /* partial_inplace */ |
| adde6300 AM |
301 | 0xffff, /* src_mask */ |
| 302 | 0xffff, /* dst_mask */ | |
| b34976b6 | 303 | FALSE), /* pcrel_offset */ |
| adde6300 AM |
304 | /* A high 8 bit absolute relocation of a negative 24 bit |
| 305 | program memory address. For LDI command. */ | |
| 306 | HOWTO (R_AVR_HH8_LDI_PM_NEG, /* type */ | |
| 307 | 17, /* rightshift */ | |
| 308 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
| 309 | 8, /* bitsize */ | |
| b34976b6 | 310 | FALSE, /* pc_relative */ |
| adde6300 AM |
311 | 0, /* bitpos */ |
| 312 | complain_overflow_dont, /* complain_on_overflow */ | |
| 313 | bfd_elf_generic_reloc, /* special_function */ | |
| 314 | "R_AVR_HH8_LDI_PM_NEG", /* name */ | |
| b34976b6 | 315 | FALSE, /* partial_inplace */ |
| adde6300 AM |
316 | 0xffff, /* src_mask */ |
| 317 | 0xffff, /* dst_mask */ | |
| b34976b6 | 318 | FALSE), /* pcrel_offset */ |
| adde6300 AM |
319 | /* Relocation for CALL command in ATmega. */ |
| 320 | HOWTO (R_AVR_CALL, /* type */ | |
| 321 | 1, /* rightshift */ | |
| 322 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
| 323 | 23, /* bitsize */ | |
| b34976b6 | 324 | FALSE, /* pc_relative */ |
| adde6300 AM |
325 | 0, /* bitpos */ |
| 326 | complain_overflow_dont, /* complain_on_overflow */ | |
| 327 | bfd_elf_generic_reloc, /* special_function */ | |
| 328 | "R_AVR_CALL", /* name */ | |
| b34976b6 | 329 | FALSE, /* partial_inplace */ |
| adde6300 AM |
330 | 0xffffffff, /* src_mask */ |
| 331 | 0xffffffff, /* dst_mask */ | |
| b34976b6 | 332 | FALSE) /* pcrel_offset */ |
| adde6300 AM |
333 | }; |
| 334 | ||
| 335 | /* Map BFD reloc types to AVR ELF reloc types. */ | |
| 336 | ||
| 337 | struct avr_reloc_map | |
| 338 | { | |
| 339 | bfd_reloc_code_real_type bfd_reloc_val; | |
| 340 | unsigned int elf_reloc_val; | |
| 341 | }; | |
| 342 | ||
| 343 | static const struct avr_reloc_map avr_reloc_map[] = | |
| 344 | { | |
| 345 | { BFD_RELOC_NONE, R_AVR_NONE }, | |
| 346 | { BFD_RELOC_32, R_AVR_32 }, | |
| 347 | { BFD_RELOC_AVR_7_PCREL, R_AVR_7_PCREL }, | |
| 348 | { BFD_RELOC_AVR_13_PCREL, R_AVR_13_PCREL }, | |
| 349 | { BFD_RELOC_16, R_AVR_16 }, | |
| 350 | { BFD_RELOC_AVR_16_PM, R_AVR_16_PM }, | |
| 351 | { BFD_RELOC_AVR_LO8_LDI, R_AVR_LO8_LDI}, | |
| 352 | { BFD_RELOC_AVR_HI8_LDI, R_AVR_HI8_LDI }, | |
| 353 | { BFD_RELOC_AVR_HH8_LDI, R_AVR_HH8_LDI }, | |
| 354 | { BFD_RELOC_AVR_LO8_LDI_NEG, R_AVR_LO8_LDI_NEG }, | |
| 355 | { BFD_RELOC_AVR_HI8_LDI_NEG, R_AVR_HI8_LDI_NEG }, | |
| 356 | { BFD_RELOC_AVR_HH8_LDI_NEG, R_AVR_HH8_LDI_NEG }, | |
| 357 | { BFD_RELOC_AVR_LO8_LDI_PM, R_AVR_LO8_LDI_PM }, | |
| 358 | { BFD_RELOC_AVR_HI8_LDI_PM, R_AVR_HI8_LDI_PM }, | |
| 359 | { BFD_RELOC_AVR_HH8_LDI_PM, R_AVR_HH8_LDI_PM }, | |
| 360 | { BFD_RELOC_AVR_LO8_LDI_PM_NEG, R_AVR_LO8_LDI_PM_NEG }, | |
| 361 | { BFD_RELOC_AVR_HI8_LDI_PM_NEG, R_AVR_HI8_LDI_PM_NEG }, | |
| 362 | { BFD_RELOC_AVR_HH8_LDI_PM_NEG, R_AVR_HH8_LDI_PM_NEG }, | |
| 363 | { BFD_RELOC_AVR_CALL, R_AVR_CALL } | |
| 364 | }; | |
| 365 | ||
| 366 | static reloc_howto_type * | |
| 367 | bfd_elf32_bfd_reloc_type_lookup (abfd, code) | |
| 00d2865b | 368 | bfd *abfd ATTRIBUTE_UNUSED; |
| adde6300 AM |
369 | bfd_reloc_code_real_type code; |
| 370 | { | |
| 371 | unsigned int i; | |
| 372 | ||
| 373 | for (i = 0; | |
| 374 | i < sizeof (avr_reloc_map) / sizeof (struct avr_reloc_map); | |
| 375 | i++) | |
| 376 | { | |
| 377 | if (avr_reloc_map[i].bfd_reloc_val == code) | |
| 378 | return &elf_avr_howto_table[avr_reloc_map[i].elf_reloc_val]; | |
| 379 | } | |
| 380 | ||
| 381 | return NULL; | |
| 382 | } | |
| 383 | ||
| 384 | /* Set the howto pointer for an AVR ELF reloc. */ | |
| 385 | ||
| 386 | static void | |
| 387 | avr_info_to_howto_rela (abfd, cache_ptr, dst) | |
| 00d2865b | 388 | bfd *abfd ATTRIBUTE_UNUSED; |
| adde6300 | 389 | arelent *cache_ptr; |
| 947216bf | 390 | Elf_Internal_Rela *dst; |
| adde6300 AM |
391 | { |
| 392 | unsigned int r_type; | |
| 393 | ||
| 394 | r_type = ELF32_R_TYPE (dst->r_info); | |
| 395 | BFD_ASSERT (r_type < (unsigned int) R_AVR_max); | |
| 396 | cache_ptr->howto = &elf_avr_howto_table[r_type]; | |
| 397 | } | |
| 398 | ||
| 399 | static asection * | |
| 1e2f5b6e AM |
400 | elf32_avr_gc_mark_hook (sec, info, rel, h, sym) |
| 401 | asection *sec; | |
| 00d2865b | 402 | struct bfd_link_info *info ATTRIBUTE_UNUSED; |
| adde6300 AM |
403 | Elf_Internal_Rela *rel; |
| 404 | struct elf_link_hash_entry *h; | |
| 405 | Elf_Internal_Sym *sym; | |
| 406 | { | |
| 407 | if (h != NULL) | |
| 408 | { | |
| 409 | switch (ELF32_R_TYPE (rel->r_info)) | |
| 410 | { | |
| 411 | default: | |
| 412 | switch (h->root.type) | |
| 413 | { | |
| 414 | case bfd_link_hash_defined: | |
| 415 | case bfd_link_hash_defweak: | |
| 416 | return h->root.u.def.section; | |
| 417 | ||
| 418 | case bfd_link_hash_common: | |
| 419 | return h->root.u.c.p->section; | |
| 420 | ||
| 421 | default: | |
| 422 | break; | |
| 423 | } | |
| 424 | } | |
| 425 | } | |
| 426 | else | |
| 1e2f5b6e | 427 | return bfd_section_from_elf_index (sec->owner, sym->st_shndx); |
| 9ad5cbcf | 428 | |
| adde6300 AM |
429 | return NULL; |
| 430 | } | |
| 431 | ||
| b34976b6 | 432 | static bfd_boolean |
| adde6300 | 433 | elf32_avr_gc_sweep_hook (abfd, info, sec, relocs) |
| 00d2865b NC |
434 | bfd *abfd ATTRIBUTE_UNUSED; |
| 435 | struct bfd_link_info *info ATTRIBUTE_UNUSED; | |
| 436 | asection *sec ATTRIBUTE_UNUSED; | |
| 437 | const Elf_Internal_Rela *relocs ATTRIBUTE_UNUSED; | |
| adde6300 AM |
438 | { |
| 439 | /* We don't use got and plt entries for avr. */ | |
| b34976b6 | 440 | return TRUE; |
| adde6300 AM |
441 | } |
| 442 | ||
| 443 | /* Look through the relocs for a section during the first phase. | |
| 444 | Since we don't do .gots or .plts, we just need to consider the | |
| 445 | virtual table relocs for gc. */ | |
| 446 | ||
| b34976b6 | 447 | static bfd_boolean |
| adde6300 AM |
448 | elf32_avr_check_relocs (abfd, info, sec, relocs) |
| 449 | bfd *abfd; | |
| 450 | struct bfd_link_info *info; | |
| 451 | asection *sec; | |
| 452 | const Elf_Internal_Rela *relocs; | |
| 453 | { | |
| 454 | Elf_Internal_Shdr *symtab_hdr; | |
| 455 | struct elf_link_hash_entry **sym_hashes, **sym_hashes_end; | |
| 456 | const Elf_Internal_Rela *rel; | |
| 457 | const Elf_Internal_Rela *rel_end; | |
| 458 | ||
| 1049f94e | 459 | if (info->relocatable) |
| b34976b6 | 460 | return TRUE; |
| adde6300 AM |
461 | |
| 462 | symtab_hdr = &elf_tdata (abfd)->symtab_hdr; | |
| 463 | sym_hashes = elf_sym_hashes (abfd); | |
| a7c10850 | 464 | sym_hashes_end = sym_hashes + symtab_hdr->sh_size/sizeof (Elf32_External_Sym); |
| adde6300 AM |
465 | if (!elf_bad_symtab (abfd)) |
| 466 | sym_hashes_end -= symtab_hdr->sh_info; | |
| 467 | ||
| 468 | rel_end = relocs + sec->reloc_count; | |
| 469 | for (rel = relocs; rel < rel_end; rel++) | |
| 470 | { | |
| 471 | struct elf_link_hash_entry *h; | |
| 472 | unsigned long r_symndx; | |
| 473 | ||
| 474 | r_symndx = ELF32_R_SYM (rel->r_info); | |
| 475 | if (r_symndx < symtab_hdr->sh_info) | |
| 476 | h = NULL; | |
| 477 | else | |
| 478 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; | |
| 479 | } | |
| 480 | ||
| b34976b6 | 481 | return TRUE; |
| adde6300 AM |
482 | } |
| 483 | ||
| 484 | /* Perform a single relocation. By default we use the standard BFD | |
| 485 | routines, but a few relocs, we have to do them ourselves. */ | |
| 486 | ||
| 487 | static bfd_reloc_status_type | |
| 488 | avr_final_link_relocate (howto, input_bfd, input_section, | |
| 489 | contents, rel, relocation) | |
| 490 | reloc_howto_type * howto; | |
| 491 | bfd * input_bfd; | |
| 492 | asection * input_section; | |
| 493 | bfd_byte * contents; | |
| 494 | Elf_Internal_Rela * rel; | |
| 495 | bfd_vma relocation; | |
| 496 | { | |
| 497 | bfd_reloc_status_type r = bfd_reloc_ok; | |
| 498 | bfd_vma x; | |
| 499 | bfd_signed_vma srel; | |
| 500 | ||
| 501 | switch (howto->type) | |
| 502 | { | |
| 503 | case R_AVR_7_PCREL: | |
| 504 | contents += rel->r_offset; | |
| 505 | srel = (bfd_signed_vma) relocation; | |
| 506 | srel += rel->r_addend; | |
| 507 | srel -= rel->r_offset; | |
| a7c10850 | 508 | srel -= 2; /* Branch instructions add 2 to the PC... */ |
| adde6300 AM |
509 | srel -= (input_section->output_section->vma + |
| 510 | input_section->output_offset); | |
| 511 | ||
| 512 | if (srel & 1) | |
| 513 | return bfd_reloc_outofrange; | |
| 514 | if (srel > ((1 << 7) - 1) || (srel < - (1 << 7))) | |
| 515 | return bfd_reloc_overflow; | |
| 516 | x = bfd_get_16 (input_bfd, contents); | |
| 517 | x = (x & 0xfc07) | (((srel >> 1) << 3) & 0x3f8); | |
| 518 | bfd_put_16 (input_bfd, x, contents); | |
| 519 | break; | |
| 520 | ||
| 521 | case R_AVR_13_PCREL: | |
| 522 | contents += rel->r_offset; | |
| 523 | srel = (bfd_signed_vma) relocation; | |
| 524 | srel += rel->r_addend; | |
| 525 | srel -= rel->r_offset; | |
| a7c10850 | 526 | srel -= 2; /* Branch instructions add 2 to the PC... */ |
| adde6300 AM |
527 | srel -= (input_section->output_section->vma + |
| 528 | input_section->output_offset); | |
| 529 | ||
| 530 | if (srel & 1) | |
| 531 | return bfd_reloc_outofrange; | |
| 532 | ||
| 533 | /* AVR addresses commands as words. */ | |
| 534 | srel >>= 1; | |
| 535 | ||
| 536 | /* Check for overflow. */ | |
| 537 | if (srel < -2048 || srel > 2047) | |
| 538 | { | |
| 539 | /* Apply WRAPAROUND if possible. */ | |
| 65aa24b6 | 540 | switch (bfd_get_mach (input_bfd)) |
| adde6300 | 541 | { |
| 65aa24b6 NC |
542 | case bfd_mach_avr2: |
| 543 | case bfd_mach_avr4: | |
| 544 | break; | |
| 545 | ||
| 546 | default: | |
| 547 | return bfd_reloc_overflow; | |
| adde6300 | 548 | } |
| adde6300 AM |
549 | } |
| 550 | ||
| 551 | x = bfd_get_16 (input_bfd, contents); | |
| 552 | x = (x & 0xf000) | (srel & 0xfff); | |
| 553 | bfd_put_16 (input_bfd, x, contents); | |
| 554 | break; | |
| 555 | ||
| 556 | case R_AVR_LO8_LDI: | |
| 557 | contents += rel->r_offset; | |
| 558 | srel = (bfd_signed_vma) relocation + rel->r_addend; | |
| 559 | x = bfd_get_16 (input_bfd, contents); | |
| 560 | x = (x & 0xf0f0) | (srel & 0xf) | ((srel << 4) & 0xf00); | |
| 561 | bfd_put_16 (input_bfd, x, contents); | |
| 562 | break; | |
| 563 | ||
| 564 | case R_AVR_HI8_LDI: | |
| 565 | contents += rel->r_offset; | |
| 566 | srel = (bfd_signed_vma) relocation + rel->r_addend; | |
| 567 | srel = (srel >> 8) & 0xff; | |
| 568 | x = bfd_get_16 (input_bfd, contents); | |
| 569 | x = (x & 0xf0f0) | (srel & 0xf) | ((srel << 4) & 0xf00); | |
| 570 | bfd_put_16 (input_bfd, x, contents); | |
| 571 | break; | |
| 572 | ||
| 573 | case R_AVR_HH8_LDI: | |
| 574 | contents += rel->r_offset; | |
| 575 | srel = (bfd_signed_vma) relocation + rel->r_addend; | |
| 576 | srel = (srel >> 16) & 0xff; | |
| 577 | x = bfd_get_16 (input_bfd, contents); | |
| 578 | x = (x & 0xf0f0) | (srel & 0xf) | ((srel << 4) & 0xf00); | |
| 579 | bfd_put_16 (input_bfd, x, contents); | |
| 580 | break; | |
| 581 | ||
| 582 | case R_AVR_LO8_LDI_NEG: | |
| 583 | contents += rel->r_offset; | |
| 584 | srel = (bfd_signed_vma) relocation + rel->r_addend; | |
| 585 | srel = -srel; | |
| 586 | x = bfd_get_16 (input_bfd, contents); | |
| 587 | x = (x & 0xf0f0) | (srel & 0xf) | ((srel << 4) & 0xf00); | |
| 588 | bfd_put_16 (input_bfd, x, contents); | |
| 589 | break; | |
| 590 | ||
| 591 | case R_AVR_HI8_LDI_NEG: | |
| 592 | contents += rel->r_offset; | |
| 593 | srel = (bfd_signed_vma) relocation + rel->r_addend; | |
| 594 | srel = -srel; | |
| 595 | srel = (srel >> 8) & 0xff; | |
| 596 | x = bfd_get_16 (input_bfd, contents); | |
| 597 | x = (x & 0xf0f0) | (srel & 0xf) | ((srel << 4) & 0xf00); | |
| 598 | bfd_put_16 (input_bfd, x, contents); | |
| 599 | break; | |
| 600 | ||
| 601 | case R_AVR_HH8_LDI_NEG: | |
| 602 | contents += rel->r_offset; | |
| 603 | srel = (bfd_signed_vma) relocation + rel->r_addend; | |
| 604 | srel = -srel; | |
| 605 | srel = (srel >> 16) & 0xff; | |
| 606 | x = bfd_get_16 (input_bfd, contents); | |
| 607 | x = (x & 0xf0f0) | (srel & 0xf) | ((srel << 4) & 0xf00); | |
| 608 | bfd_put_16 (input_bfd, x, contents); | |
| 609 | break; | |
| 610 | ||
| 611 | case R_AVR_LO8_LDI_PM: | |
| 612 | contents += rel->r_offset; | |
| 613 | srel = (bfd_signed_vma) relocation + rel->r_addend; | |
| 614 | if (srel & 1) | |
| 615 | return bfd_reloc_outofrange; | |
| 616 | srel = srel >> 1; | |
| 617 | x = bfd_get_16 (input_bfd, contents); | |
| 618 | x = (x & 0xf0f0) | (srel & 0xf) | ((srel << 4) & 0xf00); | |
| 619 | bfd_put_16 (input_bfd, x, contents); | |
| 620 | break; | |
| 621 | ||
| 622 | case R_AVR_HI8_LDI_PM: | |
| 623 | contents += rel->r_offset; | |
| 624 | srel = (bfd_signed_vma) relocation + rel->r_addend; | |
| 625 | if (srel & 1) | |
| 626 | return bfd_reloc_outofrange; | |
| 627 | srel = srel >> 1; | |
| 628 | srel = (srel >> 8) & 0xff; | |
| 629 | x = bfd_get_16 (input_bfd, contents); | |
| 630 | x = (x & 0xf0f0) | (srel & 0xf) | ((srel << 4) & 0xf00); | |
| 631 | bfd_put_16 (input_bfd, x, contents); | |
| 632 | break; | |
| 633 | ||
| 634 | case R_AVR_HH8_LDI_PM: | |
| 635 | contents += rel->r_offset; | |
| 636 | srel = (bfd_signed_vma) relocation + rel->r_addend; | |
| 637 | if (srel & 1) | |
| 638 | return bfd_reloc_outofrange; | |
| 639 | srel = srel >> 1; | |
| 640 | srel = (srel >> 16) & 0xff; | |
| 641 | x = bfd_get_16 (input_bfd, contents); | |
| 642 | x = (x & 0xf0f0) | (srel & 0xf) | ((srel << 4) & 0xf00); | |
| 643 | bfd_put_16 (input_bfd, x, contents); | |
| 644 | break; | |
| 645 | ||
| 646 | case R_AVR_LO8_LDI_PM_NEG: | |
| 647 | contents += rel->r_offset; | |
| 648 | srel = (bfd_signed_vma) relocation + rel->r_addend; | |
| 649 | srel = -srel; | |
| 650 | if (srel & 1) | |
| 651 | return bfd_reloc_outofrange; | |
| 652 | srel = srel >> 1; | |
| 653 | x = bfd_get_16 (input_bfd, contents); | |
| 654 | x = (x & 0xf0f0) | (srel & 0xf) | ((srel << 4) & 0xf00); | |
| 655 | bfd_put_16 (input_bfd, x, contents); | |
| 656 | break; | |
| 657 | ||
| 658 | case R_AVR_HI8_LDI_PM_NEG: | |
| 659 | contents += rel->r_offset; | |
| 660 | srel = (bfd_signed_vma) relocation + rel->r_addend; | |
| 661 | srel = -srel; | |
| 662 | if (srel & 1) | |
| 663 | return bfd_reloc_outofrange; | |
| 664 | srel = srel >> 1; | |
| 665 | srel = (srel >> 8) & 0xff; | |
| 666 | x = bfd_get_16 (input_bfd, contents); | |
| 667 | x = (x & 0xf0f0) | (srel & 0xf) | ((srel << 4) & 0xf00); | |
| 668 | bfd_put_16 (input_bfd, x, contents); | |
| 669 | break; | |
| 670 | ||
| 671 | case R_AVR_HH8_LDI_PM_NEG: | |
| 672 | contents += rel->r_offset; | |
| 673 | srel = (bfd_signed_vma) relocation + rel->r_addend; | |
| 674 | srel = -srel; | |
| 675 | if (srel & 1) | |
| 676 | return bfd_reloc_outofrange; | |
| 677 | srel = srel >> 1; | |
| 678 | srel = (srel >> 16) & 0xff; | |
| 679 | x = bfd_get_16 (input_bfd, contents); | |
| 680 | x = (x & 0xf0f0) | (srel & 0xf) | ((srel << 4) & 0xf00); | |
| 681 | bfd_put_16 (input_bfd, x, contents); | |
| 682 | break; | |
| 683 | ||
| 684 | case R_AVR_CALL: | |
| 685 | contents += rel->r_offset; | |
| 686 | srel = (bfd_signed_vma) relocation + rel->r_addend; | |
| 687 | if (srel & 1) | |
| 688 | return bfd_reloc_outofrange; | |
| 689 | srel = srel >> 1; | |
| 690 | x = bfd_get_16 (input_bfd, contents); | |
| 691 | x |= ((srel & 0x10000) | ((srel << 3) & 0x1f00000)) >> 16; | |
| 692 | bfd_put_16 (input_bfd, x, contents); | |
| dc810e39 | 693 | bfd_put_16 (input_bfd, (bfd_vma) srel & 0xffff, contents+2); |
| adde6300 AM |
694 | break; |
| 695 | ||
| 696 | default: | |
| 697 | r = _bfd_final_link_relocate (howto, input_bfd, input_section, | |
| 698 | contents, rel->r_offset, | |
| 699 | relocation, rel->r_addend); | |
| 700 | } | |
| 701 | ||
| 702 | return r; | |
| 703 | } | |
| 704 | ||
| 705 | /* Relocate an AVR ELF section. */ | |
| b34976b6 | 706 | static bfd_boolean |
| adde6300 AM |
707 | elf32_avr_relocate_section (output_bfd, info, input_bfd, input_section, |
| 708 | contents, relocs, local_syms, local_sections) | |
| 00d2865b | 709 | bfd *output_bfd ATTRIBUTE_UNUSED; |
| adde6300 AM |
710 | struct bfd_link_info *info; |
| 711 | bfd *input_bfd; | |
| 712 | asection *input_section; | |
| 713 | bfd_byte *contents; | |
| 714 | Elf_Internal_Rela *relocs; | |
| 715 | Elf_Internal_Sym *local_syms; | |
| 716 | asection **local_sections; | |
| 717 | { | |
| 718 | Elf_Internal_Shdr * symtab_hdr; | |
| 719 | struct elf_link_hash_entry ** sym_hashes; | |
| 720 | Elf_Internal_Rela * rel; | |
| 721 | Elf_Internal_Rela * relend; | |
| 722 | ||
| 1049f94e | 723 | if (info->relocatable) |
| b34976b6 | 724 | return TRUE; |
| f0fe0e16 | 725 | |
| adde6300 AM |
726 | symtab_hdr = & elf_tdata (input_bfd)->symtab_hdr; |
| 727 | sym_hashes = elf_sym_hashes (input_bfd); | |
| 728 | relend = relocs + input_section->reloc_count; | |
| 729 | ||
| 730 | for (rel = relocs; rel < relend; rel ++) | |
| 731 | { | |
| 732 | reloc_howto_type * howto; | |
| 733 | unsigned long r_symndx; | |
| 734 | Elf_Internal_Sym * sym; | |
| 735 | asection * sec; | |
| 736 | struct elf_link_hash_entry * h; | |
| 737 | bfd_vma relocation; | |
| 738 | bfd_reloc_status_type r; | |
| dfeffb9f | 739 | const char * name; |
| adde6300 AM |
740 | int r_type; |
| 741 | ||
| f0fe0e16 | 742 | /* This is a final link. */ |
| adde6300 AM |
743 | r_type = ELF32_R_TYPE (rel->r_info); |
| 744 | r_symndx = ELF32_R_SYM (rel->r_info); | |
| adde6300 AM |
745 | howto = elf_avr_howto_table + ELF32_R_TYPE (rel->r_info); |
| 746 | h = NULL; | |
| 747 | sym = NULL; | |
| 748 | sec = NULL; | |
| 749 | ||
| 750 | if (r_symndx < symtab_hdr->sh_info) | |
| 751 | { | |
| 752 | sym = local_syms + r_symndx; | |
| 753 | sec = local_sections [r_symndx]; | |
| 8517fae7 | 754 | relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel); |
| adde6300 AM |
755 | |
| 756 | name = bfd_elf_string_from_elf_section | |
| 757 | (input_bfd, symtab_hdr->sh_link, sym->st_name); | |
| 758 | name = (name == NULL) ? bfd_section_name (input_bfd, sec) : name; | |
| 759 | } | |
| 760 | else | |
| 761 | { | |
| 59c2e50f | 762 | bfd_boolean unresolved_reloc, warned; |
| adde6300 | 763 | |
| b2a8e766 AM |
764 | RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel, |
| 765 | r_symndx, symtab_hdr, sym_hashes, | |
| 766 | h, sec, relocation, | |
| 767 | unresolved_reloc, warned); | |
| dfeffb9f L |
768 | |
| 769 | name = h->root.root.string; | |
| adde6300 AM |
770 | } |
| 771 | ||
| 772 | r = avr_final_link_relocate (howto, input_bfd, input_section, | |
| 773 | contents, rel, relocation); | |
| 774 | ||
| 775 | if (r != bfd_reloc_ok) | |
| 776 | { | |
| 777 | const char * msg = (const char *) NULL; | |
| 778 | ||
| 779 | switch (r) | |
| 780 | { | |
| 781 | case bfd_reloc_overflow: | |
| 782 | r = info->callbacks->reloc_overflow | |
| dfeffb9f L |
783 | (info, (h ? &h->root : NULL), |
| 784 | name, howto->name, (bfd_vma) 0, | |
| adde6300 AM |
785 | input_bfd, input_section, rel->r_offset); |
| 786 | break; | |
| 787 | ||
| 788 | case bfd_reloc_undefined: | |
| 789 | r = info->callbacks->undefined_symbol | |
| b34976b6 | 790 | (info, name, input_bfd, input_section, rel->r_offset, TRUE); |
| adde6300 AM |
791 | break; |
| 792 | ||
| 793 | case bfd_reloc_outofrange: | |
| 794 | msg = _("internal error: out of range error"); | |
| 795 | break; | |
| 796 | ||
| 797 | case bfd_reloc_notsupported: | |
| 798 | msg = _("internal error: unsupported relocation error"); | |
| 799 | break; | |
| 800 | ||
| 801 | case bfd_reloc_dangerous: | |
| 802 | msg = _("internal error: dangerous relocation"); | |
| 803 | break; | |
| 804 | ||
| 805 | default: | |
| 806 | msg = _("internal error: unknown error"); | |
| 807 | break; | |
| 808 | } | |
| 809 | ||
| 810 | if (msg) | |
| 811 | r = info->callbacks->warning | |
| 812 | (info, msg, name, input_bfd, input_section, rel->r_offset); | |
| 813 | ||
| 814 | if (! r) | |
| b34976b6 | 815 | return FALSE; |
| adde6300 AM |
816 | } |
| 817 | } | |
| 818 | ||
| b34976b6 | 819 | return TRUE; |
| adde6300 AM |
820 | } |
| 821 | ||
| 822 | /* The final processing done just before writing out a AVR ELF object | |
| 823 | file. This gets the AVR architecture right based on the machine | |
| 824 | number. */ | |
| 825 | ||
| 826 | static void | |
| 827 | bfd_elf_avr_final_write_processing (abfd, linker) | |
| 828 | bfd *abfd; | |
| b34976b6 | 829 | bfd_boolean linker ATTRIBUTE_UNUSED; |
| adde6300 AM |
830 | { |
| 831 | unsigned long val; | |
| 832 | ||
| 833 | switch (bfd_get_mach (abfd)) | |
| 834 | { | |
| 835 | default: | |
| 836 | case bfd_mach_avr2: | |
| 837 | val = E_AVR_MACH_AVR2; | |
| 838 | break; | |
| 839 | ||
| 840 | case bfd_mach_avr1: | |
| 841 | val = E_AVR_MACH_AVR1; | |
| 842 | break; | |
| 843 | ||
| 844 | case bfd_mach_avr3: | |
| 845 | val = E_AVR_MACH_AVR3; | |
| 846 | break; | |
| 847 | ||
| 848 | case bfd_mach_avr4: | |
| 849 | val = E_AVR_MACH_AVR4; | |
| 850 | break; | |
| 851 | ||
| 65aa24b6 NC |
852 | case bfd_mach_avr5: |
| 853 | val = E_AVR_MACH_AVR5; | |
| 854 | break; | |
| adde6300 AM |
855 | } |
| 856 | ||
| 857 | elf_elfheader (abfd)->e_machine = EM_AVR; | |
| 858 | elf_elfheader (abfd)->e_flags &= ~ EF_AVR_MACH; | |
| 859 | elf_elfheader (abfd)->e_flags |= val; | |
| 860 | } | |
| 861 | ||
| 862 | /* Set the right machine number. */ | |
| 863 | ||
| b34976b6 | 864 | static bfd_boolean |
| adde6300 AM |
865 | elf32_avr_object_p (abfd) |
| 866 | bfd *abfd; | |
| 867 | { | |
| dc810e39 | 868 | unsigned int e_set = bfd_mach_avr2; |
| aa4f99bb AO |
869 | if (elf_elfheader (abfd)->e_machine == EM_AVR |
| 870 | || elf_elfheader (abfd)->e_machine == EM_AVR_OLD) | |
| adde6300 AM |
871 | { |
| 872 | int e_mach = elf_elfheader (abfd)->e_flags & EF_AVR_MACH; | |
| 873 | switch (e_mach) | |
| 874 | { | |
| 875 | default: | |
| 876 | case E_AVR_MACH_AVR2: | |
| 877 | e_set = bfd_mach_avr2; | |
| 878 | break; | |
| 879 | ||
| 880 | case E_AVR_MACH_AVR1: | |
| 881 | e_set = bfd_mach_avr1; | |
| 882 | break; | |
| 883 | ||
| 884 | case E_AVR_MACH_AVR3: | |
| 885 | e_set = bfd_mach_avr3; | |
| 886 | break; | |
| 887 | ||
| 888 | case E_AVR_MACH_AVR4: | |
| 889 | e_set = bfd_mach_avr4; | |
| 890 | break; | |
| 65aa24b6 NC |
891 | |
| 892 | case E_AVR_MACH_AVR5: | |
| 893 | e_set = bfd_mach_avr5; | |
| 894 | break; | |
| adde6300 AM |
895 | } |
| 896 | } | |
| 897 | return bfd_default_set_arch_mach (abfd, bfd_arch_avr, | |
| 898 | e_set); | |
| 899 | } | |
| 900 | ||
| adde6300 AM |
901 | #define ELF_ARCH bfd_arch_avr |
| 902 | #define ELF_MACHINE_CODE EM_AVR | |
| aa4f99bb | 903 | #define ELF_MACHINE_ALT1 EM_AVR_OLD |
| adde6300 AM |
904 | #define ELF_MAXPAGESIZE 1 |
| 905 | ||
| 906 | #define TARGET_LITTLE_SYM bfd_elf32_avr_vec | |
| 907 | #define TARGET_LITTLE_NAME "elf32-avr" | |
| 908 | ||
| 909 | #define elf_info_to_howto avr_info_to_howto_rela | |
| 910 | #define elf_info_to_howto_rel NULL | |
| 911 | #define elf_backend_relocate_section elf32_avr_relocate_section | |
| 912 | #define elf_backend_gc_mark_hook elf32_avr_gc_mark_hook | |
| 913 | #define elf_backend_gc_sweep_hook elf32_avr_gc_sweep_hook | |
| 914 | #define elf_backend_check_relocs elf32_avr_check_relocs | |
| 915 | #define elf_backend_can_gc_sections 1 | |
| f0fe0e16 | 916 | #define elf_backend_rela_normal 1 |
| adde6300 AM |
917 | #define elf_backend_final_write_processing \ |
| 918 | bfd_elf_avr_final_write_processing | |
| 919 | #define elf_backend_object_p elf32_avr_object_p | |
| 920 | ||
| adde6300 | 921 | #include "elf32-target.h" |