| 1 | /* BFD back-end for TMS320C30 a.out binaries. |
| 2 | Copyright (C) 1998, 1999 Free Software Foundation, Inc. |
| 3 | Contributed by Steven Haworth (steve@pm.cse.rmit.edu.au) |
| 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 2 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., 59 Temple Place - Suite 330, Boston, MA |
| 20 | 02111-1307, USA. */ |
| 21 | |
| 22 | #define TARGET_IS_BIG_ENDIAN_P |
| 23 | #define N_HEADER_IN_TEXT(x) 1 |
| 24 | #define BYTES_IN_WORD 4 |
| 25 | #define TEXT_START_ADDR 1024 |
| 26 | #define TARGET_PAGE_SIZE 128 |
| 27 | #define SEGMENT_SIZE TARGET_PAGE_SIZE |
| 28 | #define DEFAULT_ARCH bfd_arch_tic30 |
| 29 | #define ARCH_SIZE 32 |
| 30 | |
| 31 | #define MY(OP) CAT(tic30_aout_,OP) |
| 32 | #define TARGETNAME "a.out-tic30" |
| 33 | #define NAME(x,y) CAT3(tic30_aout,_32_,y) |
| 34 | |
| 35 | #include "bfd.h" |
| 36 | #include "sysdep.h" |
| 37 | #include "libaout.h" |
| 38 | |
| 39 | #include "aout/aout64.h" |
| 40 | #include "aout/stab_gnu.h" |
| 41 | #include "aout/ar.h" |
| 42 | |
| 43 | static bfd_reloc_status_type tic30_aout_fix_16 |
| 44 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); |
| 45 | static bfd_reloc_status_type tic30_aout_fix_32 |
| 46 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); |
| 47 | static bfd_reloc_status_type tic30_aout_fix_pcrel_16 |
| 48 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); |
| 49 | static reloc_howto_type *tic30_aout_reloc_howto |
| 50 | PARAMS ((bfd *, struct reloc_std_external *, int *, int *, int *)); |
| 51 | static bfd_reloc_status_type tic30_aout_relocate_contents |
| 52 | PARAMS ((reloc_howto_type *, bfd *, bfd_vma, bfd_byte *)); |
| 53 | static bfd_reloc_status_type tic30_aout_final_link_relocate |
| 54 | PARAMS ((reloc_howto_type *, bfd *, asection *, bfd_byte *, bfd_vma, |
| 55 | bfd_vma, bfd_vma)); |
| 56 | static const bfd_target *tic30_aout_object_p PARAMS ((bfd *)); |
| 57 | static boolean tic30_aout_write_object_contents PARAMS ((bfd *)); |
| 58 | static boolean tic30_aout_set_sizes PARAMS ((bfd *)); |
| 59 | |
| 60 | #define MY_reloc_howto(BFD,REL,IN,EX,PC) tic30_aout_reloc_howto(BFD,REL,&IN,&EX,&PC) |
| 61 | #define MY_final_link_relocate tic30_aout_final_link_relocate |
| 62 | #define MY_object_p tic30_aout_object_p |
| 63 | #define MY_mkobject NAME(aout,mkobject) |
| 64 | #define MY_write_object_contents tic30_aout_write_object_contents |
| 65 | #define MY_set_sizes tic30_aout_set_sizes |
| 66 | |
| 67 | #ifndef MY_exec_hdr_flags |
| 68 | #define MY_exec_hdr_flags 1 |
| 69 | #endif |
| 70 | |
| 71 | #ifndef MY_backend_data |
| 72 | |
| 73 | #ifndef MY_zmagic_contiguous |
| 74 | #define MY_zmagic_contiguous 0 |
| 75 | #endif |
| 76 | #ifndef MY_text_includes_header |
| 77 | #define MY_text_includes_header 0 |
| 78 | #endif |
| 79 | #ifndef MY_entry_is_text_address |
| 80 | #define MY_entry_is_text_address 0 |
| 81 | #endif |
| 82 | #ifndef MY_exec_header_not_counted |
| 83 | #define MY_exec_header_not_counted 1 |
| 84 | #endif |
| 85 | #ifndef MY_add_dynamic_symbols |
| 86 | #define MY_add_dynamic_symbols 0 |
| 87 | #endif |
| 88 | #ifndef MY_add_one_symbol |
| 89 | #define MY_add_one_symbol 0 |
| 90 | #endif |
| 91 | #ifndef MY_link_dynamic_object |
| 92 | #define MY_link_dynamic_object 0 |
| 93 | #endif |
| 94 | #ifndef MY_write_dynamic_symbol |
| 95 | #define MY_write_dynamic_symbol 0 |
| 96 | #endif |
| 97 | #ifndef MY_check_dynamic_reloc |
| 98 | #define MY_check_dynamic_reloc 0 |
| 99 | #endif |
| 100 | #ifndef MY_finish_dynamic_link |
| 101 | #define MY_finish_dynamic_link 0 |
| 102 | #endif |
| 103 | |
| 104 | static CONST struct aout_backend_data tic30_aout_backend_data = |
| 105 | { |
| 106 | MY_zmagic_contiguous, |
| 107 | MY_text_includes_header, |
| 108 | MY_entry_is_text_address, |
| 109 | MY_exec_hdr_flags, |
| 110 | 0, /* text vma? */ |
| 111 | MY_set_sizes, |
| 112 | MY_exec_header_not_counted, |
| 113 | MY_add_dynamic_symbols, |
| 114 | MY_add_one_symbol, |
| 115 | MY_link_dynamic_object, |
| 116 | MY_write_dynamic_symbol, |
| 117 | MY_check_dynamic_reloc, |
| 118 | MY_finish_dynamic_link |
| 119 | }; |
| 120 | #define MY_backend_data &tic30_aout_backend_data |
| 121 | #endif |
| 122 | |
| 123 | /* FIXME: This is wrong. aoutx.h should really only be included by |
| 124 | aout32.c. */ |
| 125 | |
| 126 | #include "aoutx.h" |
| 127 | |
| 128 | /* This table lists the relocation types for the TMS320C30. There are |
| 129 | only a few relocations required, and all must be divided by 4 (>> |
| 130 | 2) to get the 32-bit addresses in the format the TMS320C30 likes |
| 131 | it. */ |
| 132 | reloc_howto_type tic30_aout_howto_table[] = |
| 133 | { |
| 134 | EMPTY_HOWTO (-1), |
| 135 | HOWTO (1, 2, 1, 16, false, 0, 0, tic30_aout_fix_16, |
| 136 | "16", false, 0x0000FFFF, 0x0000FFFF, false), |
| 137 | HOWTO (2, 2, 2, 24, false, 0, complain_overflow_bitfield, NULL, |
| 138 | "24", false, 0x00FFFFFF, 0x00FFFFFF, false), |
| 139 | HOWTO (3, 18, 3, 24, false, 0, complain_overflow_bitfield, NULL, |
| 140 | "LDP", false, 0x00FF0000, 0x000000FF, false), |
| 141 | HOWTO (4, 2, 4, 32, false, 0, complain_overflow_bitfield, tic30_aout_fix_32, |
| 142 | "32", false, 0xFFFFFFFF, 0xFFFFFFFF, false), |
| 143 | HOWTO (5, 2, 1, 16, true, 0, complain_overflow_signed, |
| 144 | tic30_aout_fix_pcrel_16, "PCREL", true, 0x0000FFFF, 0x0000FFFF, true), |
| 145 | EMPTY_HOWTO (-1), |
| 146 | EMPTY_HOWTO (-1), |
| 147 | EMPTY_HOWTO (-1), |
| 148 | EMPTY_HOWTO (-1), |
| 149 | EMPTY_HOWTO (-1) |
| 150 | }; |
| 151 | |
| 152 | extern reloc_howto_type *NAME (aout, reloc_type_lookup) (); |
| 153 | |
| 154 | reloc_howto_type * |
| 155 | tic30_aout_reloc_type_lookup (abfd, code) |
| 156 | bfd *abfd ATTRIBUTE_UNUSED; |
| 157 | bfd_reloc_code_real_type code; |
| 158 | { |
| 159 | switch (code) |
| 160 | { |
| 161 | case BFD_RELOC_8: |
| 162 | case BFD_RELOC_TIC30_LDP: |
| 163 | return &tic30_aout_howto_table[3]; |
| 164 | case BFD_RELOC_16: |
| 165 | return &tic30_aout_howto_table[1]; |
| 166 | case BFD_RELOC_24: |
| 167 | return &tic30_aout_howto_table[2]; |
| 168 | case BFD_RELOC_16_PCREL: |
| 169 | return &tic30_aout_howto_table[5]; |
| 170 | case BFD_RELOC_32: |
| 171 | return &tic30_aout_howto_table[4]; |
| 172 | default: |
| 173 | return (reloc_howto_type *) NULL; |
| 174 | } |
| 175 | } |
| 176 | |
| 177 | static reloc_howto_type * |
| 178 | tic30_aout_reloc_howto (abfd, relocs, r_index, r_extern, r_pcrel) |
| 179 | bfd *abfd; |
| 180 | struct reloc_std_external *relocs; |
| 181 | int *r_index; |
| 182 | int *r_extern; |
| 183 | int *r_pcrel; |
| 184 | { |
| 185 | unsigned int r_length; |
| 186 | unsigned int r_pcrel_done; |
| 187 | int index; |
| 188 | |
| 189 | *r_pcrel = 0; |
| 190 | if (bfd_header_big_endian (abfd)) |
| 191 | { |
| 192 | *r_index = ((relocs->r_index[0] << 16) | (relocs->r_index[1] << 8) | relocs->r_index[2]); |
| 193 | *r_extern = (0 != (relocs->r_type[0] & RELOC_STD_BITS_EXTERN_BIG)); |
| 194 | r_pcrel_done = (0 != (relocs->r_type[0] & RELOC_STD_BITS_PCREL_BIG)); |
| 195 | r_length = ((relocs->r_type[0] & RELOC_STD_BITS_LENGTH_BIG) >> RELOC_STD_BITS_LENGTH_SH_BIG); |
| 196 | } |
| 197 | else |
| 198 | { |
| 199 | *r_index = ((relocs->r_index[2] << 16) | (relocs->r_index[1] << 8) | relocs->r_index[0]); |
| 200 | *r_extern = (0 != (relocs->r_type[0] & RELOC_STD_BITS_EXTERN_LITTLE)); |
| 201 | r_pcrel_done = (0 != (relocs->r_type[0] & RELOC_STD_BITS_PCREL_LITTLE)); |
| 202 | r_length = ((relocs->r_type[0] & RELOC_STD_BITS_LENGTH_LITTLE) >> RELOC_STD_BITS_LENGTH_SH_LITTLE); |
| 203 | } |
| 204 | index = r_length + 4 * r_pcrel_done; |
| 205 | return tic30_aout_howto_table + index; |
| 206 | } |
| 207 | |
| 208 | /* This function is used as a callback for 16-bit relocs. This is |
| 209 | required for relocations between segments. A line in aoutx.h |
| 210 | requires that any relocations for the data section should point to |
| 211 | the end of the aligned text section, plus an offset. By default, |
| 212 | this does not happen, therefore this function takes care of |
| 213 | that. */ |
| 214 | |
| 215 | static bfd_reloc_status_type |
| 216 | tic30_aout_fix_16 (abfd, reloc_entry, symbol, data, input_section, output_bfd, error_message) |
| 217 | bfd *abfd; |
| 218 | arelent *reloc_entry; |
| 219 | asymbol *symbol; |
| 220 | PTR data; |
| 221 | asection *input_section ATTRIBUTE_UNUSED; |
| 222 | bfd *output_bfd; |
| 223 | char **error_message ATTRIBUTE_UNUSED; |
| 224 | { |
| 225 | bfd_vma relocation; |
| 226 | |
| 227 | /* Make sure that the symbol's section is defined. */ |
| 228 | if (symbol->section == &bfd_und_section && (symbol->flags & BSF_WEAK) == 0) |
| 229 | return output_bfd ? bfd_reloc_ok : bfd_reloc_undefined; |
| 230 | /* Get the size of the input section and turn it into the TMS320C30 |
| 231 | 32-bit address format. */ |
| 232 | relocation = (symbol->section->vma >> 2); |
| 233 | relocation += bfd_get_16 (abfd, (bfd_byte *) data + reloc_entry->address); |
| 234 | bfd_put_16 (abfd, relocation, (bfd_byte *) data + reloc_entry->address); |
| 235 | return bfd_reloc_ok; |
| 236 | } |
| 237 | |
| 238 | /* This function does the same thing as tic30_aout_fix_16 except for 32 |
| 239 | bit relocations. */ |
| 240 | |
| 241 | static bfd_reloc_status_type |
| 242 | tic30_aout_fix_32 (abfd, reloc_entry, symbol, data, input_section, |
| 243 | output_bfd, error_message) |
| 244 | bfd *abfd; |
| 245 | arelent *reloc_entry; |
| 246 | asymbol *symbol; |
| 247 | PTR data; |
| 248 | asection *input_section ATTRIBUTE_UNUSED; |
| 249 | bfd *output_bfd; |
| 250 | char **error_message ATTRIBUTE_UNUSED; |
| 251 | { |
| 252 | bfd_vma relocation; |
| 253 | |
| 254 | /* Make sure that the symbol's section is defined. */ |
| 255 | if (symbol->section == &bfd_und_section && (symbol->flags & BSF_WEAK) == 0) |
| 256 | return output_bfd ? bfd_reloc_ok : bfd_reloc_undefined; |
| 257 | /* Get the size of the input section and turn it into the TMS320C30 |
| 258 | 32-bit address format. */ |
| 259 | relocation = (symbol->section->vma >> 2); |
| 260 | relocation += bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address); |
| 261 | bfd_put_32 (abfd, relocation, (bfd_byte *) data + reloc_entry->address); |
| 262 | return bfd_reloc_ok; |
| 263 | } |
| 264 | |
| 265 | /* This function is used to work out pc-relative offsets for the |
| 266 | TMS320C30. The data already placed by md_pcrel_from within gas is |
| 267 | useless for a relocation, so we just get the offset value and place |
| 268 | a version of this within the object code. |
| 269 | tic30_aout_final_link_relocate will then calculate the required |
| 270 | relocation to add on to the value in the object code. */ |
| 271 | |
| 272 | static bfd_reloc_status_type |
| 273 | tic30_aout_fix_pcrel_16 (abfd, reloc_entry, symbol, data, input_section, |
| 274 | output_bfd, error_message) |
| 275 | bfd *abfd; |
| 276 | arelent *reloc_entry; |
| 277 | asymbol *symbol ATTRIBUTE_UNUSED; |
| 278 | PTR data; |
| 279 | asection *input_section ATTRIBUTE_UNUSED; |
| 280 | bfd *output_bfd ATTRIBUTE_UNUSED; |
| 281 | char **error_message ATTRIBUTE_UNUSED; |
| 282 | { |
| 283 | bfd_vma relocation = 1; |
| 284 | bfd_byte offset_data = bfd_get_8 (abfd, (bfd_byte *) data + reloc_entry->address - 1); |
| 285 | |
| 286 | /* The byte before the location of the fix contains bits 23-16 of |
| 287 | the pcrel instruction. Bit 21 is set for a delayed instruction |
| 288 | which requires on offset of 3 instead of 1. */ |
| 289 | if (offset_data & 0x20) |
| 290 | relocation -= 3; |
| 291 | else |
| 292 | relocation -= 1; |
| 293 | bfd_put_16 (abfd, relocation, (bfd_byte *) data + reloc_entry->address); |
| 294 | return bfd_reloc_ok; |
| 295 | } |
| 296 | |
| 297 | /* These macros will get 24-bit values from the bfd definition. |
| 298 | Big-endian only. */ |
| 299 | #define bfd_getb_24(BFD,ADDR) (bfd_get_8(BFD,ADDR) << 16) | \ |
| 300 | (bfd_get_8(BFD,ADDR+1) << 8) | \ |
| 301 | (bfd_get_8(BFD,ADDR+2)) |
| 302 | |
| 303 | #define bfd_putb_24(BFD,DATA,ADDR) bfd_put_8(BFD,(bfd_byte)((DATA >> 16) & 0xFF),ADDR); \ |
| 304 | bfd_put_8(BFD,(bfd_byte)((DATA >> 8) & 0xFF),ADDR+1); \ |
| 305 | bfd_put_8(BFD,(bfd_byte)(DATA & 0xFF),ADDR+2) |
| 306 | |
| 307 | /* Set parameters about this a.out file that are machine-dependent. |
| 308 | This routine is called from some_aout_object_p just before it returns. */ |
| 309 | |
| 310 | static const bfd_target * |
| 311 | tic30_aout_callback (abfd) |
| 312 | bfd *abfd; |
| 313 | { |
| 314 | struct internal_exec *execp = exec_hdr (abfd); |
| 315 | unsigned int arch_align_power; |
| 316 | unsigned long arch_align; |
| 317 | |
| 318 | /* Calculate the file positions of the parts of a newly read aout header */ |
| 319 | obj_textsec (abfd)->_raw_size = N_TXTSIZE (*execp); |
| 320 | |
| 321 | /* The virtual memory addresses of the sections */ |
| 322 | obj_textsec (abfd)->vma = N_TXTADDR (*execp); |
| 323 | obj_datasec (abfd)->vma = N_DATADDR (*execp); |
| 324 | obj_bsssec (abfd)->vma = N_BSSADDR (*execp); |
| 325 | |
| 326 | obj_textsec (abfd)->lma = obj_textsec (abfd)->vma; |
| 327 | obj_datasec (abfd)->lma = obj_datasec (abfd)->vma; |
| 328 | obj_bsssec (abfd)->lma = obj_bsssec (abfd)->vma; |
| 329 | |
| 330 | /* The file offsets of the sections */ |
| 331 | obj_textsec (abfd)->filepos = N_TXTOFF (*execp); |
| 332 | obj_datasec (abfd)->filepos = N_DATOFF (*execp); |
| 333 | |
| 334 | /* The file offsets of the relocation info */ |
| 335 | obj_textsec (abfd)->rel_filepos = N_TRELOFF (*execp); |
| 336 | obj_datasec (abfd)->rel_filepos = N_DRELOFF (*execp); |
| 337 | |
| 338 | /* The file offsets of the string table and symbol table. */ |
| 339 | obj_sym_filepos (abfd) = N_SYMOFF (*execp); |
| 340 | obj_str_filepos (abfd) = N_STROFF (*execp); |
| 341 | |
| 342 | /* Determine the architecture and machine type of the object file. */ |
| 343 | #ifdef SET_ARCH_MACH |
| 344 | SET_ARCH_MACH (abfd, *execp); |
| 345 | #else |
| 346 | bfd_default_set_arch_mach (abfd, DEFAULT_ARCH, 0); |
| 347 | #endif |
| 348 | |
| 349 | /* Now that we know the architecture, set the alignments of the |
| 350 | sections. This is normally done by NAME(aout,new_section_hook), |
| 351 | but when the initial sections were created the architecture had |
| 352 | not yet been set. However, for backward compatibility, we don't |
| 353 | set the alignment power any higher than as required by the size |
| 354 | of the section. */ |
| 355 | arch_align_power = bfd_get_arch_info (abfd)->section_align_power; |
| 356 | arch_align = 1 << arch_align_power; |
| 357 | if ((BFD_ALIGN (obj_textsec (abfd)->_raw_size, arch_align) |
| 358 | == obj_textsec (abfd)->_raw_size) |
| 359 | && (BFD_ALIGN (obj_datasec (abfd)->_raw_size, arch_align) |
| 360 | == obj_datasec (abfd)->_raw_size) |
| 361 | && (BFD_ALIGN (obj_bsssec (abfd)->_raw_size, arch_align) |
| 362 | == obj_bsssec (abfd)->_raw_size)) |
| 363 | { |
| 364 | obj_textsec (abfd)->alignment_power = arch_align_power; |
| 365 | obj_datasec (abfd)->alignment_power = arch_align_power; |
| 366 | obj_bsssec (abfd)->alignment_power = arch_align_power; |
| 367 | } |
| 368 | return abfd->xvec; |
| 369 | } |
| 370 | |
| 371 | static bfd_reloc_status_type |
| 372 | tic30_aout_final_link_relocate (howto, input_bfd, input_section, contents, |
| 373 | address, value, addend) |
| 374 | reloc_howto_type *howto; |
| 375 | bfd *input_bfd; |
| 376 | asection *input_section; |
| 377 | bfd_byte *contents; |
| 378 | bfd_vma address; |
| 379 | bfd_vma value; |
| 380 | bfd_vma addend; |
| 381 | { |
| 382 | bfd_vma relocation; |
| 383 | |
| 384 | if (address > input_section->_raw_size) |
| 385 | return bfd_reloc_outofrange; |
| 386 | |
| 387 | relocation = value + addend; |
| 388 | if (howto->pc_relative) |
| 389 | { |
| 390 | relocation -= (input_section->output_section->vma + input_section->output_offset); |
| 391 | if (howto->pcrel_offset) |
| 392 | relocation -= address; |
| 393 | } |
| 394 | return tic30_aout_relocate_contents (howto, input_bfd, relocation, |
| 395 | contents + address); |
| 396 | } |
| 397 | |
| 398 | bfd_reloc_status_type |
| 399 | tic30_aout_relocate_contents (howto, input_bfd, relocation, location) |
| 400 | reloc_howto_type *howto; |
| 401 | bfd *input_bfd; |
| 402 | bfd_vma relocation; |
| 403 | bfd_byte *location; |
| 404 | { |
| 405 | bfd_vma x; |
| 406 | boolean overflow; |
| 407 | |
| 408 | if (howto->size < 0) |
| 409 | relocation = -relocation; |
| 410 | |
| 411 | switch (howto->size) |
| 412 | { |
| 413 | default: |
| 414 | case 0: |
| 415 | abort (); |
| 416 | break; |
| 417 | case 1: |
| 418 | x = bfd_get_16 (input_bfd, location); |
| 419 | break; |
| 420 | case 2: |
| 421 | x = bfd_getb_24 (input_bfd, location); |
| 422 | break; |
| 423 | case 3: |
| 424 | x = bfd_get_8 (input_bfd, location); |
| 425 | break; |
| 426 | case 4: |
| 427 | x = bfd_get_32 (input_bfd, location); |
| 428 | break; |
| 429 | } |
| 430 | overflow = false; |
| 431 | if (howto->complain_on_overflow != complain_overflow_dont) |
| 432 | { |
| 433 | bfd_vma check; |
| 434 | bfd_signed_vma signed_check; |
| 435 | bfd_vma add; |
| 436 | bfd_signed_vma signed_add; |
| 437 | |
| 438 | if (howto->rightshift == 0) |
| 439 | { |
| 440 | check = relocation; |
| 441 | signed_check = (bfd_signed_vma) relocation; |
| 442 | } |
| 443 | else |
| 444 | { |
| 445 | check = relocation >> howto->rightshift; |
| 446 | if ((bfd_signed_vma) relocation >= 0) |
| 447 | signed_check = check; |
| 448 | else |
| 449 | signed_check = (check | ((bfd_vma) - 1 & ~((bfd_vma) - 1 >> howto->rightshift))); |
| 450 | } |
| 451 | add = x & howto->src_mask; |
| 452 | signed_add = add; |
| 453 | if ((add & (((~howto->src_mask) >> 1) & howto->src_mask)) != 0) |
| 454 | signed_add -= (((~howto->src_mask) >> 1) & howto->src_mask) << 1; |
| 455 | if (howto->bitpos == 0) |
| 456 | { |
| 457 | check += add; |
| 458 | signed_check += signed_add; |
| 459 | } |
| 460 | else |
| 461 | { |
| 462 | check += add >> howto->bitpos; |
| 463 | if (signed_add >= 0) |
| 464 | signed_check += add >> howto->bitpos; |
| 465 | else |
| 466 | signed_check += ((add >> howto->bitpos) | ((bfd_vma) - 1 & ~((bfd_vma) - 1 >> howto->bitpos))); |
| 467 | } |
| 468 | switch (howto->complain_on_overflow) |
| 469 | { |
| 470 | case complain_overflow_signed: |
| 471 | { |
| 472 | bfd_signed_vma reloc_signed_max = (1 << (howto->bitsize - 1)) - 1; |
| 473 | bfd_signed_vma reloc_signed_min = ~reloc_signed_max; |
| 474 | if (signed_check > reloc_signed_max || signed_check < reloc_signed_min) |
| 475 | overflow = true; |
| 476 | } |
| 477 | break; |
| 478 | case complain_overflow_unsigned: |
| 479 | { |
| 480 | bfd_vma reloc_unsigned_max = (((1 << (howto->bitsize - 1)) - 1) << 1) | 1; |
| 481 | if (check > reloc_unsigned_max) |
| 482 | overflow = true; |
| 483 | } |
| 484 | break; |
| 485 | case complain_overflow_bitfield: |
| 486 | { |
| 487 | bfd_vma reloc_bits = (((1 << (howto->bitsize - 1)) - 1) << 1) | 1; |
| 488 | if ((check & ~reloc_bits) != 0 && (((bfd_vma) signed_check & ~reloc_bits) != (-1 & ~reloc_bits))) |
| 489 | overflow = true; |
| 490 | } |
| 491 | break; |
| 492 | default: |
| 493 | abort (); |
| 494 | } |
| 495 | } |
| 496 | relocation >>= (bfd_vma) howto->rightshift; |
| 497 | relocation <<= (bfd_vma) howto->bitpos; |
| 498 | x = ((x & ~howto->dst_mask) | (((x & howto->src_mask) + relocation) & howto->dst_mask)); |
| 499 | switch (howto->size) |
| 500 | { |
| 501 | default: |
| 502 | case 0: |
| 503 | abort (); |
| 504 | break; |
| 505 | case 1: |
| 506 | bfd_put_16 (input_bfd, x, location); |
| 507 | break; |
| 508 | case 2: |
| 509 | bfd_putb_24 (input_bfd, x, location); |
| 510 | break; |
| 511 | case 3: |
| 512 | bfd_put_8 (input_bfd, x, location); |
| 513 | break; |
| 514 | case 4: |
| 515 | bfd_put_32 (input_bfd, x, location); |
| 516 | break; |
| 517 | } |
| 518 | return overflow ? bfd_reloc_overflow : bfd_reloc_ok; |
| 519 | } |
| 520 | |
| 521 | /* Finish up the reading of an a.out file header */ |
| 522 | |
| 523 | static const bfd_target * |
| 524 | tic30_aout_object_p (abfd) |
| 525 | bfd *abfd; |
| 526 | { |
| 527 | struct external_exec exec_bytes; /* Raw exec header from file */ |
| 528 | struct internal_exec exec; /* Cleaned-up exec header */ |
| 529 | const bfd_target *target; |
| 530 | |
| 531 | if (bfd_read ((PTR) & exec_bytes, 1, EXEC_BYTES_SIZE, abfd) |
| 532 | != EXEC_BYTES_SIZE) |
| 533 | { |
| 534 | if (bfd_get_error () != bfd_error_system_call) |
| 535 | bfd_set_error (bfd_error_wrong_format); |
| 536 | return 0; |
| 537 | } |
| 538 | |
| 539 | #ifdef SWAP_MAGIC |
| 540 | exec.a_info = SWAP_MAGIC (exec_bytes.e_info); |
| 541 | #else |
| 542 | exec.a_info = bfd_h_get_32 (abfd, exec_bytes.e_info); |
| 543 | #endif /* SWAP_MAGIC */ |
| 544 | |
| 545 | if (N_BADMAG (exec)) |
| 546 | return 0; |
| 547 | #ifdef MACHTYPE_OK |
| 548 | if (!(MACHTYPE_OK (N_MACHTYPE (exec)))) |
| 549 | return 0; |
| 550 | #endif |
| 551 | |
| 552 | NAME (aout, swap_exec_header_in) (abfd, &exec_bytes, &exec); |
| 553 | |
| 554 | #ifdef SWAP_MAGIC |
| 555 | /* swap_exec_header_in read in a_info with the wrong byte order */ |
| 556 | exec.a_info = SWAP_MAGIC (exec_bytes.e_info); |
| 557 | #endif /* SWAP_MAGIC */ |
| 558 | |
| 559 | target = NAME (aout, some_aout_object_p) (abfd, &exec, tic30_aout_callback); |
| 560 | |
| 561 | #ifdef ENTRY_CAN_BE_ZERO |
| 562 | /* The NEWSOS3 entry-point is/was 0, which (amongst other lossage) |
| 563 | * means that it isn't obvious if EXEC_P should be set. |
| 564 | * All of the following must be true for an executable: |
| 565 | * There must be no relocations, the bfd can be neither an |
| 566 | * archive nor an archive element, and the file must be executable. */ |
| 567 | |
| 568 | if (exec.a_trsize + exec.a_drsize == 0 |
| 569 | && bfd_get_format (abfd) == bfd_object && abfd->my_archive == NULL) |
| 570 | { |
| 571 | struct stat buf; |
| 572 | #ifndef S_IXUSR |
| 573 | #define S_IXUSR 0100 /* Execute by owner. */ |
| 574 | #endif |
| 575 | if (stat (abfd->filename, &buf) == 0 && (buf.st_mode & S_IXUSR)) |
| 576 | abfd->flags |= EXEC_P; |
| 577 | } |
| 578 | #endif /* ENTRY_CAN_BE_ZERO */ |
| 579 | |
| 580 | return target; |
| 581 | } |
| 582 | |
| 583 | /* Copy private section data. This actually does nothing with the |
| 584 | sections. It copies the subformat field. We copy it here, because |
| 585 | we need to know whether this is a QMAGIC file before we set the |
| 586 | section contents, and copy_private_bfd_data is not called until |
| 587 | after the section contents have been set. */ |
| 588 | |
| 589 | /*ARGSUSED */ |
| 590 | static boolean |
| 591 | MY_bfd_copy_private_section_data (ibfd, isec, obfd, osec) |
| 592 | bfd *ibfd; |
| 593 | asection *isec ATTRIBUTE_UNUSED; |
| 594 | bfd *obfd; |
| 595 | asection *osec ATTRIBUTE_UNUSED; |
| 596 | { |
| 597 | if (bfd_get_flavour (obfd) == bfd_target_aout_flavour) |
| 598 | obj_aout_subformat (obfd) = obj_aout_subformat (ibfd); |
| 599 | return true; |
| 600 | } |
| 601 | |
| 602 | /* Write an object file. |
| 603 | Section contents have already been written. We write the |
| 604 | file header, symbols, and relocation. */ |
| 605 | |
| 606 | static boolean |
| 607 | tic30_aout_write_object_contents (abfd) |
| 608 | bfd *abfd; |
| 609 | { |
| 610 | struct external_exec exec_bytes; |
| 611 | struct internal_exec *execp = exec_hdr (abfd); |
| 612 | |
| 613 | #if CHOOSE_RELOC_SIZE |
| 614 | CHOOSE_RELOC_SIZE (abfd); |
| 615 | #else |
| 616 | obj_reloc_entry_size (abfd) = RELOC_STD_SIZE; |
| 617 | #endif |
| 618 | { |
| 619 | bfd_size_type text_size; /* dummy vars */ |
| 620 | file_ptr text_end; |
| 621 | if (adata (abfd).magic == undecided_magic) |
| 622 | NAME (aout, adjust_sizes_and_vmas) (abfd, &text_size, &text_end); |
| 623 | |
| 624 | execp->a_syms = bfd_get_symcount (abfd) * EXTERNAL_NLIST_SIZE; |
| 625 | execp->a_entry = bfd_get_start_address (abfd); |
| 626 | |
| 627 | execp->a_trsize = ((obj_textsec (abfd)->reloc_count) * obj_reloc_entry_size (abfd)); |
| 628 | execp->a_drsize = ((obj_datasec (abfd)->reloc_count) * obj_reloc_entry_size (abfd)); |
| 629 | NAME (aout, swap_exec_header_out) (abfd, execp, &exec_bytes); |
| 630 | |
| 631 | if (adata (abfd).exec_bytes_size > 0) |
| 632 | { |
| 633 | if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) |
| 634 | return false; |
| 635 | if (bfd_write ((PTR) & exec_bytes, 1, adata (abfd).exec_bytes_size, abfd) != adata (abfd).exec_bytes_size) |
| 636 | return false; |
| 637 | } |
| 638 | /* Now write out reloc info, followed by syms and strings */ |
| 639 | |
| 640 | if (bfd_get_outsymbols (abfd) != (asymbol **) NULL |
| 641 | && bfd_get_symcount (abfd) != 0) |
| 642 | { |
| 643 | if (bfd_seek (abfd, (file_ptr) (N_SYMOFF (*execp)), SEEK_SET) != 0) |
| 644 | return false; |
| 645 | |
| 646 | if (!NAME (aout, write_syms) (abfd)) |
| 647 | return false; |
| 648 | } |
| 649 | |
| 650 | if (bfd_seek (abfd, (file_ptr) (N_TRELOFF (*execp)), SEEK_SET) != 0) |
| 651 | return false; |
| 652 | if (!NAME (aout, squirt_out_relocs) (abfd, obj_textsec (abfd))) |
| 653 | return false; |
| 654 | |
| 655 | if (bfd_seek (abfd, (file_ptr) (N_DRELOFF (*execp)), SEEK_SET) != 0) |
| 656 | return false; |
| 657 | if (!NAME (aout, squirt_out_relocs) (abfd, obj_datasec (abfd))) |
| 658 | return false; |
| 659 | } |
| 660 | |
| 661 | return true; |
| 662 | } |
| 663 | |
| 664 | static boolean |
| 665 | tic30_aout_set_sizes (abfd) |
| 666 | bfd *abfd; |
| 667 | { |
| 668 | adata (abfd).page_size = TARGET_PAGE_SIZE; |
| 669 | |
| 670 | #ifdef SEGMENT_SIZE |
| 671 | adata (abfd).segment_size = SEGMENT_SIZE; |
| 672 | #else |
| 673 | adata (abfd).segment_size = TARGET_PAGE_SIZE; |
| 674 | #endif |
| 675 | |
| 676 | #ifdef ZMAGIC_DISK_BLOCK_SIZE |
| 677 | adata (abfd).zmagic_disk_block_size = ZMAGIC_DISK_BLOCK_SIZE; |
| 678 | #else |
| 679 | adata (abfd).zmagic_disk_block_size = TARGET_PAGE_SIZE; |
| 680 | #endif |
| 681 | |
| 682 | adata (abfd).exec_bytes_size = EXEC_BYTES_SIZE; |
| 683 | |
| 684 | return true; |
| 685 | } |
| 686 | |
| 687 | #ifndef MY_final_link_callback |
| 688 | |
| 689 | /* Callback for the final_link routine to set the section offsets. */ |
| 690 | |
| 691 | static void MY_final_link_callback |
| 692 | PARAMS ((bfd *, file_ptr *, file_ptr *, file_ptr *)); |
| 693 | |
| 694 | static void |
| 695 | MY_final_link_callback (abfd, ptreloff, pdreloff, psymoff) |
| 696 | bfd *abfd; |
| 697 | file_ptr *ptreloff; |
| 698 | file_ptr *pdreloff; |
| 699 | file_ptr *psymoff; |
| 700 | { |
| 701 | struct internal_exec *execp = exec_hdr (abfd); |
| 702 | |
| 703 | *ptreloff = obj_datasec (abfd)->filepos + execp->a_data; |
| 704 | *pdreloff = *ptreloff + execp->a_trsize; |
| 705 | *psymoff = *pdreloff + execp->a_drsize;; |
| 706 | } |
| 707 | |
| 708 | #endif |
| 709 | |
| 710 | #ifndef MY_bfd_final_link |
| 711 | |
| 712 | /* Final link routine. We need to use a call back to get the correct |
| 713 | offsets in the output file. */ |
| 714 | |
| 715 | static boolean |
| 716 | MY_bfd_final_link (abfd, info) |
| 717 | bfd *abfd; |
| 718 | struct bfd_link_info *info; |
| 719 | { |
| 720 | struct internal_exec *execp = exec_hdr (abfd); |
| 721 | file_ptr pos; |
| 722 | bfd_vma vma = 0; |
| 723 | int pad; |
| 724 | |
| 725 | /* Set the executable header size to 0, as we don't want one for an |
| 726 | output. */ |
| 727 | adata (abfd).exec_bytes_size = 0; |
| 728 | pos = adata (abfd).exec_bytes_size; |
| 729 | /* Text. */ |
| 730 | vma = info->create_object_symbols_section->vma; |
| 731 | pos += vma; |
| 732 | obj_textsec (abfd)->filepos = pos; |
| 733 | obj_textsec (abfd)->vma = vma; |
| 734 | obj_textsec (abfd)->user_set_vma = 1; |
| 735 | pos += obj_textsec (abfd)->_raw_size; |
| 736 | vma += obj_textsec (abfd)->_raw_size; |
| 737 | |
| 738 | /* Data. */ |
| 739 | if (abfd->flags & D_PAGED) |
| 740 | { |
| 741 | if (info->create_object_symbols_section->next->vma > 0) |
| 742 | obj_datasec (abfd)->vma = info->create_object_symbols_section->next->vma; |
| 743 | else |
| 744 | obj_datasec (abfd)->vma = BFD_ALIGN (vma, adata (abfd).segment_size); |
| 745 | } |
| 746 | else |
| 747 | { |
| 748 | obj_datasec (abfd)->vma = BFD_ALIGN (vma, 4); |
| 749 | } |
| 750 | if (obj_datasec (abfd)->vma < vma) |
| 751 | { |
| 752 | obj_datasec (abfd)->vma = BFD_ALIGN (vma, 4); |
| 753 | } |
| 754 | obj_datasec (abfd)->user_set_vma = 1; |
| 755 | vma = obj_datasec (abfd)->vma; |
| 756 | obj_datasec (abfd)->filepos = vma + adata (abfd).exec_bytes_size; |
| 757 | execp->a_text = vma - obj_textsec (abfd)->vma; |
| 758 | obj_textsec (abfd)->_raw_size = execp->a_text; |
| 759 | |
| 760 | /* Since BSS follows data immediately, see if it needs alignment. */ |
| 761 | vma += obj_datasec (abfd)->_raw_size; |
| 762 | pad = align_power (vma, obj_bsssec (abfd)->alignment_power) - vma; |
| 763 | obj_datasec (abfd)->_raw_size += pad; |
| 764 | pos += obj_datasec (abfd)->_raw_size; |
| 765 | execp->a_data = obj_datasec (abfd)->_raw_size; |
| 766 | |
| 767 | /* BSS. */ |
| 768 | obj_bsssec (abfd)->vma = vma; |
| 769 | obj_bsssec (abfd)->user_set_vma = 1; |
| 770 | |
| 771 | /* We are fully resized, so don't readjust in final_link. */ |
| 772 | adata (abfd).magic = z_magic; |
| 773 | |
| 774 | return NAME (aout, final_link) (abfd, info, MY_final_link_callback); |
| 775 | } |
| 776 | |
| 777 | #endif |
| 778 | |
| 779 | enum machine_type |
| 780 | tic30_aout_machine_type (arch, machine, unknown) |
| 781 | enum bfd_architecture arch; |
| 782 | unsigned long machine ATTRIBUTE_UNUSED; |
| 783 | boolean *unknown; |
| 784 | { |
| 785 | enum machine_type arch_flags; |
| 786 | |
| 787 | arch_flags = M_UNKNOWN; |
| 788 | *unknown = true; |
| 789 | |
| 790 | switch (arch) |
| 791 | { |
| 792 | case bfd_arch_tic30: |
| 793 | *unknown = false; |
| 794 | break; |
| 795 | default: |
| 796 | arch_flags = M_UNKNOWN; |
| 797 | } |
| 798 | if (arch_flags != M_UNKNOWN) |
| 799 | *unknown = false; |
| 800 | return arch_flags; |
| 801 | } |
| 802 | |
| 803 | boolean |
| 804 | tic30_aout_set_arch_mach (abfd, arch, machine) |
| 805 | bfd *abfd; |
| 806 | enum bfd_architecture arch; |
| 807 | unsigned long machine; |
| 808 | { |
| 809 | if (!bfd_default_set_arch_mach (abfd, arch, machine)) |
| 810 | return false; |
| 811 | if (arch != bfd_arch_unknown) |
| 812 | { |
| 813 | boolean unknown; |
| 814 | tic30_aout_machine_type (arch, machine, &unknown); |
| 815 | if (unknown) |
| 816 | return false; |
| 817 | } |
| 818 | obj_reloc_entry_size (abfd) = RELOC_STD_SIZE; |
| 819 | return (*aout_backend_info (abfd)->set_sizes) (abfd); |
| 820 | } |
| 821 | |
| 822 | /* We assume BFD generic archive files. */ |
| 823 | #ifndef MY_openr_next_archived_file |
| 824 | #define MY_openr_next_archived_file bfd_generic_openr_next_archived_file |
| 825 | #endif |
| 826 | #ifndef MY_get_elt_at_index |
| 827 | #define MY_get_elt_at_index _bfd_generic_get_elt_at_index |
| 828 | #endif |
| 829 | #ifndef MY_generic_stat_arch_elt |
| 830 | #define MY_generic_stat_arch_elt bfd_generic_stat_arch_elt |
| 831 | #endif |
| 832 | #ifndef MY_slurp_armap |
| 833 | #define MY_slurp_armap bfd_slurp_bsd_armap |
| 834 | #endif |
| 835 | #ifndef MY_slurp_extended_name_table |
| 836 | #define MY_slurp_extended_name_table _bfd_slurp_extended_name_table |
| 837 | #endif |
| 838 | #ifndef MY_construct_extended_name_table |
| 839 | #define MY_construct_extended_name_table \ |
| 840 | _bfd_archive_bsd_construct_extended_name_table |
| 841 | #endif |
| 842 | #ifndef MY_write_armap |
| 843 | #define MY_write_armap bsd_write_armap |
| 844 | #endif |
| 845 | #ifndef MY_read_ar_hdr |
| 846 | #define MY_read_ar_hdr _bfd_generic_read_ar_hdr |
| 847 | #endif |
| 848 | #ifndef MY_truncate_arname |
| 849 | #define MY_truncate_arname bfd_bsd_truncate_arname |
| 850 | #endif |
| 851 | #ifndef MY_update_armap_timestamp |
| 852 | #define MY_update_armap_timestamp _bfd_archive_bsd_update_armap_timestamp |
| 853 | #endif |
| 854 | |
| 855 | /* No core file defined here -- configure in trad-core.c separately. */ |
| 856 | #ifndef MY_core_file_failing_command |
| 857 | #define MY_core_file_failing_command _bfd_nocore_core_file_failing_command |
| 858 | #endif |
| 859 | #ifndef MY_core_file_failing_signal |
| 860 | #define MY_core_file_failing_signal _bfd_nocore_core_file_failing_signal |
| 861 | #endif |
| 862 | #ifndef MY_core_file_matches_executable_p |
| 863 | #define MY_core_file_matches_executable_p \ |
| 864 | _bfd_nocore_core_file_matches_executable_p |
| 865 | #endif |
| 866 | #ifndef MY_core_file_p |
| 867 | #define MY_core_file_p _bfd_dummy_target |
| 868 | #endif |
| 869 | |
| 870 | #ifndef MY_bfd_debug_info_start |
| 871 | #define MY_bfd_debug_info_start bfd_void |
| 872 | #endif |
| 873 | #ifndef MY_bfd_debug_info_end |
| 874 | #define MY_bfd_debug_info_end bfd_void |
| 875 | #endif |
| 876 | #ifndef MY_bfd_debug_info_accumulate |
| 877 | #define MY_bfd_debug_info_accumulate \ |
| 878 | (void (*) PARAMS ((bfd*, struct sec *))) bfd_void |
| 879 | #endif |
| 880 | |
| 881 | #ifndef MY_core_file_failing_command |
| 882 | #define MY_core_file_failing_command NAME(aout,core_file_failing_command) |
| 883 | #endif |
| 884 | #ifndef MY_core_file_failing_signal |
| 885 | #define MY_core_file_failing_signal NAME(aout,core_file_failing_signal) |
| 886 | #endif |
| 887 | #ifndef MY_core_file_matches_executable_p |
| 888 | #define MY_core_file_matches_executable_p NAME(aout,core_file_matches_executable_p) |
| 889 | #endif |
| 890 | #ifndef MY_set_section_contents |
| 891 | #define MY_set_section_contents NAME(aout,set_section_contents) |
| 892 | #endif |
| 893 | #ifndef MY_get_section_contents |
| 894 | #define MY_get_section_contents aout_32_get_section_contents |
| 895 | #endif |
| 896 | #ifndef MY_get_section_contents_in_window |
| 897 | #define MY_get_section_contents_in_window _bfd_generic_get_section_contents_in_window |
| 898 | #endif |
| 899 | #ifndef MY_new_section_hook |
| 900 | #define MY_new_section_hook NAME(aout,new_section_hook) |
| 901 | #endif |
| 902 | #ifndef MY_get_symtab_upper_bound |
| 903 | #define MY_get_symtab_upper_bound NAME(aout,get_symtab_upper_bound) |
| 904 | #endif |
| 905 | #ifndef MY_get_symtab |
| 906 | #define MY_get_symtab NAME(aout,get_symtab) |
| 907 | #endif |
| 908 | #ifndef MY_get_reloc_upper_bound |
| 909 | #define MY_get_reloc_upper_bound NAME(aout,get_reloc_upper_bound) |
| 910 | #endif |
| 911 | #ifndef MY_canonicalize_reloc |
| 912 | #define MY_canonicalize_reloc NAME(aout,canonicalize_reloc) |
| 913 | #endif |
| 914 | #ifndef MY_make_empty_symbol |
| 915 | #define MY_make_empty_symbol NAME(aout,make_empty_symbol) |
| 916 | #endif |
| 917 | #ifndef MY_print_symbol |
| 918 | #define MY_print_symbol NAME(aout,print_symbol) |
| 919 | #endif |
| 920 | #ifndef MY_get_symbol_info |
| 921 | #define MY_get_symbol_info NAME(aout,get_symbol_info) |
| 922 | #endif |
| 923 | #ifndef MY_get_lineno |
| 924 | #define MY_get_lineno NAME(aout,get_lineno) |
| 925 | #endif |
| 926 | #ifndef MY_set_arch_mach |
| 927 | #define MY_set_arch_mach tic30_aout_set_arch_mach |
| 928 | #endif |
| 929 | #ifndef MY_find_nearest_line |
| 930 | #define MY_find_nearest_line NAME(aout,find_nearest_line) |
| 931 | #endif |
| 932 | #ifndef MY_sizeof_headers |
| 933 | #define MY_sizeof_headers NAME(aout,sizeof_headers) |
| 934 | #endif |
| 935 | #ifndef MY_bfd_get_relocated_section_contents |
| 936 | #define MY_bfd_get_relocated_section_contents \ |
| 937 | bfd_generic_get_relocated_section_contents |
| 938 | #endif |
| 939 | #ifndef MY_bfd_relax_section |
| 940 | #define MY_bfd_relax_section bfd_generic_relax_section |
| 941 | #endif |
| 942 | #ifndef MY_bfd_gc_sections |
| 943 | #define MY_bfd_gc_sections bfd_generic_gc_sections |
| 944 | #endif |
| 945 | #ifndef MY_bfd_reloc_type_lookup |
| 946 | #define MY_bfd_reloc_type_lookup tic30_aout_reloc_type_lookup |
| 947 | #endif |
| 948 | #ifndef MY_bfd_make_debug_symbol |
| 949 | #define MY_bfd_make_debug_symbol 0 |
| 950 | #endif |
| 951 | #ifndef MY_read_minisymbols |
| 952 | #define MY_read_minisymbols NAME(aout,read_minisymbols) |
| 953 | #endif |
| 954 | #ifndef MY_minisymbol_to_symbol |
| 955 | #define MY_minisymbol_to_symbol NAME(aout,minisymbol_to_symbol) |
| 956 | #endif |
| 957 | #ifndef MY_bfd_link_hash_table_create |
| 958 | #define MY_bfd_link_hash_table_create NAME(aout,link_hash_table_create) |
| 959 | #endif |
| 960 | #ifndef MY_bfd_link_add_symbols |
| 961 | #define MY_bfd_link_add_symbols NAME(aout,link_add_symbols) |
| 962 | #endif |
| 963 | #ifndef MY_bfd_link_split_section |
| 964 | #define MY_bfd_link_split_section _bfd_generic_link_split_section |
| 965 | #endif |
| 966 | |
| 967 | |
| 968 | #ifndef MY_bfd_copy_private_bfd_data |
| 969 | #define MY_bfd_copy_private_bfd_data _bfd_generic_bfd_copy_private_bfd_data |
| 970 | #endif |
| 971 | |
| 972 | #ifndef MY_bfd_merge_private_bfd_data |
| 973 | #define MY_bfd_merge_private_bfd_data _bfd_generic_bfd_merge_private_bfd_data |
| 974 | #endif |
| 975 | |
| 976 | #ifndef MY_bfd_copy_private_symbol_data |
| 977 | #define MY_bfd_copy_private_symbol_data _bfd_generic_bfd_copy_private_symbol_data |
| 978 | #endif |
| 979 | |
| 980 | #ifndef MY_bfd_print_private_bfd_data |
| 981 | #define MY_bfd_print_private_bfd_data _bfd_generic_bfd_print_private_bfd_data |
| 982 | #endif |
| 983 | |
| 984 | #ifndef MY_bfd_set_private_flags |
| 985 | #define MY_bfd_set_private_flags _bfd_generic_bfd_set_private_flags |
| 986 | #endif |
| 987 | |
| 988 | #ifndef MY_bfd_is_local_label_name |
| 989 | #define MY_bfd_is_local_label_name bfd_generic_is_local_label_name |
| 990 | #endif |
| 991 | |
| 992 | #ifndef MY_bfd_free_cached_info |
| 993 | #define MY_bfd_free_cached_info NAME(aout,bfd_free_cached_info) |
| 994 | #endif |
| 995 | |
| 996 | #ifndef MY_close_and_cleanup |
| 997 | #define MY_close_and_cleanup MY_bfd_free_cached_info |
| 998 | #endif |
| 999 | |
| 1000 | #ifndef MY_get_dynamic_symtab_upper_bound |
| 1001 | #define MY_get_dynamic_symtab_upper_bound \ |
| 1002 | _bfd_nodynamic_get_dynamic_symtab_upper_bound |
| 1003 | #endif |
| 1004 | #ifndef MY_canonicalize_dynamic_symtab |
| 1005 | #define MY_canonicalize_dynamic_symtab \ |
| 1006 | _bfd_nodynamic_canonicalize_dynamic_symtab |
| 1007 | #endif |
| 1008 | #ifndef MY_get_dynamic_reloc_upper_bound |
| 1009 | #define MY_get_dynamic_reloc_upper_bound \ |
| 1010 | _bfd_nodynamic_get_dynamic_reloc_upper_bound |
| 1011 | #endif |
| 1012 | #ifndef MY_canonicalize_dynamic_reloc |
| 1013 | #define MY_canonicalize_dynamic_reloc \ |
| 1014 | _bfd_nodynamic_canonicalize_dynamic_reloc |
| 1015 | #endif |
| 1016 | |
| 1017 | /* Aout symbols normally have leading underscores */ |
| 1018 | #ifndef MY_symbol_leading_char |
| 1019 | #define MY_symbol_leading_char '_' |
| 1020 | #endif |
| 1021 | |
| 1022 | /* Aout archives normally use spaces for padding */ |
| 1023 | #ifndef AR_PAD_CHAR |
| 1024 | #define AR_PAD_CHAR ' ' |
| 1025 | #endif |
| 1026 | |
| 1027 | #ifndef MY_BFD_TARGET |
| 1028 | const bfd_target tic30_aout_vec = |
| 1029 | { |
| 1030 | TARGETNAME, /* name */ |
| 1031 | bfd_target_aout_flavour, |
| 1032 | BFD_ENDIAN_BIG, /* target byte order (big) */ |
| 1033 | BFD_ENDIAN_BIG, /* target headers byte order (big) */ |
| 1034 | (HAS_RELOC | /* object flags */ |
| 1035 | HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED), |
| 1036 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */ |
| 1037 | MY_symbol_leading_char, |
| 1038 | AR_PAD_CHAR, /* ar_pad_char */ |
| 1039 | 15, /* ar_max_namelen */ |
| 1040 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
| 1041 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, |
| 1042 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */ |
| 1043 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
| 1044 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, |
| 1045 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */ |
| 1046 | {_bfd_dummy_target, MY_object_p, /* bfd_check_format */ |
| 1047 | bfd_generic_archive_p, MY_core_file_p}, |
| 1048 | {bfd_false, MY_mkobject, /* bfd_set_format */ |
| 1049 | _bfd_generic_mkarchive, bfd_false}, |
| 1050 | {bfd_false, MY_write_object_contents, /* bfd_write_contents */ |
| 1051 | _bfd_write_archive_contents, bfd_false}, |
| 1052 | |
| 1053 | BFD_JUMP_TABLE_GENERIC (MY), |
| 1054 | BFD_JUMP_TABLE_COPY (MY), |
| 1055 | BFD_JUMP_TABLE_CORE (MY), |
| 1056 | BFD_JUMP_TABLE_ARCHIVE (MY), |
| 1057 | BFD_JUMP_TABLE_SYMBOLS (MY), |
| 1058 | BFD_JUMP_TABLE_RELOCS (MY), |
| 1059 | BFD_JUMP_TABLE_WRITE (MY), |
| 1060 | BFD_JUMP_TABLE_LINK (MY), |
| 1061 | BFD_JUMP_TABLE_DYNAMIC (MY), |
| 1062 | |
| 1063 | NULL, |
| 1064 | |
| 1065 | (PTR) MY_backend_data |
| 1066 | }; |
| 1067 | #endif /* MY_BFD_TARGET */ |