1/* BFD back-end for IBM RS/6000 "XCOFF64" files. 2 Copyright 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 3 Free Software Foundation, Inc. 4 Written Clinton Popetz. 5 Contributed by Cygnus Support. 6 7 This file is part of BFD, the Binary File Descriptor library. 8 9 This program is free software; you can redistribute it and/or modify 10 it under the terms of the GNU General Public License as published by 11 the Free Software Foundation; either version 2 of the License, or 12 (at your option) any later version. 13 14 This program is distributed in the hope that it will be useful, 15 but WITHOUT ANY WARRANTY; without even the implied warranty of 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 GNU General Public License for more details. 18 19 You should have received a copy of the GNU General Public License 20 along with this program; if not, write to the Free Software 21 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ 22 23#include "sysdep.h" 24#include "bfd.h" 25#include "bfdlink.h" 26#include "libbfd.h" 27#include "coff/internal.h" 28#include "coff/xcoff.h" 29#include "coff/rs6k64.h" 30#include "libcoff.h" 31#include "libxcoff.h" 32 33#define GET_FILEHDR_SYMPTR H_GET_64 34#define PUT_FILEHDR_SYMPTR H_PUT_64 35#define GET_AOUTHDR_DATA_START H_GET_64 36#define PUT_AOUTHDR_DATA_START H_PUT_64 37#define GET_AOUTHDR_TEXT_START H_GET_64 38#define PUT_AOUTHDR_TEXT_START H_PUT_64 39#define GET_AOUTHDR_TSIZE H_GET_64 40#define PUT_AOUTHDR_TSIZE H_PUT_64 41#define GET_AOUTHDR_DSIZE H_GET_64 42#define PUT_AOUTHDR_DSIZE H_PUT_64 43#define GET_AOUTHDR_BSIZE H_GET_64 44#define PUT_AOUTHDR_BSIZE H_PUT_64 45#define GET_AOUTHDR_ENTRY H_GET_64 46#define PUT_AOUTHDR_ENTRY H_PUT_64 47#define GET_SCNHDR_PADDR H_GET_64 48#define PUT_SCNHDR_PADDR H_PUT_64 49#define GET_SCNHDR_VADDR H_GET_64 50#define PUT_SCNHDR_VADDR H_PUT_64 51#define GET_SCNHDR_SIZE H_GET_64 52#define PUT_SCNHDR_SIZE H_PUT_64 53#define GET_SCNHDR_SCNPTR H_GET_64 54#define PUT_SCNHDR_SCNPTR H_PUT_64 55#define GET_SCNHDR_RELPTR H_GET_64 56#define PUT_SCNHDR_RELPTR H_PUT_64 57#define GET_SCNHDR_LNNOPTR H_GET_64 58#define PUT_SCNHDR_LNNOPTR H_PUT_64 59#define GET_SCNHDR_NRELOC H_GET_32 60#define MAX_SCNHDR_NRELOC 0xffffffff 61#define PUT_SCNHDR_NRELOC H_PUT_32 62#define GET_SCNHDR_NLNNO H_GET_32 63#define MAX_SCNHDR_NLNNO 0xffffffff 64#define PUT_SCNHDR_NLNNO H_PUT_32 65#define GET_RELOC_VADDR H_GET_64 66#define PUT_RELOC_VADDR H_PUT_64 67 68#define COFF_FORCE_SYMBOLS_IN_STRINGS 69#define COFF_DEBUG_STRING_WIDE_PREFIX 70 71 72#define COFF_ADJUST_SCNHDR_OUT_POST(ABFD, INT, EXT) \ 73 do \ 74 { \ 75 memset (((SCNHDR *) EXT)->s_pad, 0, \ 76 sizeof (((SCNHDR *) EXT)->s_pad)); \ 77 } \ 78 while (0) 79 80#define NO_COFF_LINENOS 81 82#define coff_SWAP_lineno_in _bfd_xcoff64_swap_lineno_in 83#define coff_SWAP_lineno_out _bfd_xcoff64_swap_lineno_out 84 85static void _bfd_xcoff64_swap_lineno_in 86 PARAMS ((bfd *, PTR, PTR)); 87static unsigned int _bfd_xcoff64_swap_lineno_out 88 PARAMS ((bfd *, PTR, PTR)); 89static bfd_boolean _bfd_xcoff64_put_symbol_name 90 PARAMS ((bfd *, struct bfd_strtab_hash *, struct internal_syment *, 91 const char *)); 92static bfd_boolean _bfd_xcoff64_put_ldsymbol_name 93 PARAMS ((bfd *, struct xcoff_loader_info *, struct internal_ldsym *, 94 const char *)); 95static void _bfd_xcoff64_swap_sym_in 96 PARAMS ((bfd *, PTR, PTR)); 97static unsigned int _bfd_xcoff64_swap_sym_out 98 PARAMS ((bfd *, PTR, PTR)); 99static void _bfd_xcoff64_swap_aux_in 100 PARAMS ((bfd *, PTR, int, int, int, int, PTR)); 101static unsigned int _bfd_xcoff64_swap_aux_out 102 PARAMS ((bfd *, PTR, int, int, int, int, PTR)); 103static void xcoff64_swap_reloc_in 104 PARAMS ((bfd *, PTR, PTR)); 105static unsigned int xcoff64_swap_reloc_out 106 PARAMS ((bfd *, PTR, PTR)); 107extern bfd_boolean _bfd_xcoff_mkobject 108 PARAMS ((bfd *)); 109extern bfd_boolean _bfd_xcoff_copy_private_bfd_data 110 PARAMS ((bfd *, bfd *)); 111extern bfd_boolean _bfd_xcoff_is_local_label_name 112 PARAMS ((bfd *, const char *)); 113extern void xcoff64_rtype2howto 114 PARAMS ((arelent *, struct internal_reloc *)); 115extern reloc_howto_type * xcoff64_reloc_type_lookup 116 PARAMS ((bfd *, bfd_reloc_code_real_type)); 117extern bfd_boolean _bfd_xcoff_slurp_armap 118 PARAMS ((bfd *)); 119extern PTR _bfd_xcoff_read_ar_hdr 120 PARAMS ((bfd *)); 121extern bfd *_bfd_xcoff_openr_next_archived_file 122 PARAMS ((bfd *, bfd *)); 123extern int _bfd_xcoff_stat_arch_elt 124 PARAMS ((bfd *, struct stat *)); 125extern bfd_boolean _bfd_xcoff_write_armap 126 PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int)); 127extern bfd_boolean _bfd_xcoff_write_archive_contents 128 PARAMS ((bfd *)); 129extern int _bfd_xcoff_sizeof_headers 130 PARAMS ((bfd *, struct bfd_link_info *)); 131extern void _bfd_xcoff_swap_sym_in 132 PARAMS ((bfd *, PTR, PTR)); 133extern unsigned int _bfd_xcoff_swap_sym_out 134 PARAMS ((bfd *, PTR, PTR)); 135extern void _bfd_xcoff_swap_aux_in 136 PARAMS ((bfd *, PTR, int, int, int, int, PTR)); 137extern unsigned int _bfd_xcoff_swap_aux_out 138 PARAMS ((bfd *, PTR, int, int, int, int, PTR)); 139static void xcoff64_swap_ldhdr_in 140 PARAMS ((bfd *, const PTR, struct internal_ldhdr *)); 141static void xcoff64_swap_ldhdr_out 142 PARAMS ((bfd *, const struct internal_ldhdr *, PTR d)); 143static void xcoff64_swap_ldsym_in 144 PARAMS ((bfd *, const PTR, struct internal_ldsym *)); 145static void xcoff64_swap_ldsym_out 146 PARAMS ((bfd *, const struct internal_ldsym *, PTR d)); 147static void xcoff64_swap_ldrel_in 148 PARAMS ((bfd *, const PTR, struct internal_ldrel *)); 149static void xcoff64_swap_ldrel_out 150 PARAMS ((bfd *, const struct internal_ldrel *, PTR d)); 151static bfd_boolean xcoff64_write_object_contents 152 PARAMS ((bfd *)); 153static bfd_boolean xcoff64_ppc_relocate_section 154 PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, 155 struct internal_reloc *, struct internal_syment *, 156 asection **)); 157static bfd_boolean xcoff64_slurp_armap 158 PARAMS ((bfd *)); 159static const bfd_target *xcoff64_archive_p 160 PARAMS ((bfd *)); 161static bfd *xcoff64_openr_next_archived_file 162 PARAMS ((bfd *, bfd *)); 163static int xcoff64_sizeof_headers 164 PARAMS ((bfd *, struct bfd_link_info *)); 165static asection *xcoff64_create_csect_from_smclas 166 PARAMS ((bfd *, union internal_auxent *, const char *)); 167static bfd_boolean xcoff64_is_lineno_count_overflow 168 PARAMS ((bfd *, bfd_vma)); 169static bfd_boolean xcoff64_is_reloc_count_overflow 170 PARAMS ((bfd *, bfd_vma)); 171static bfd_vma xcoff64_loader_symbol_offset 172 PARAMS ((bfd *, struct internal_ldhdr *)); 173static bfd_vma xcoff64_loader_reloc_offset 174 PARAMS ((bfd *, struct internal_ldhdr *)); 175static bfd_boolean xcoff64_generate_rtinit 176 PARAMS ((bfd *, const char *, const char *, bfd_boolean)); 177static bfd_boolean xcoff64_bad_format_hook 178 PARAMS ((bfd *, PTR )); 179 180/* Relocation functions */ 181static bfd_boolean xcoff64_reloc_type_br 182 PARAMS ((XCOFF_RELOC_FUNCTION_ARGS)); 183 184bfd_boolean (*xcoff64_calculate_relocation[XCOFF_MAX_CALCULATE_RELOCATION]) 185 PARAMS ((XCOFF_RELOC_FUNCTION_ARGS)) = 186{ 187 xcoff_reloc_type_pos, /* R_POS (0x00) */ 188 xcoff_reloc_type_neg, /* R_NEG (0x01) */ 189 xcoff_reloc_type_rel, /* R_REL (0x02) */ 190 xcoff_reloc_type_toc, /* R_TOC (0x03) */ 191 xcoff_reloc_type_fail, /* R_RTB (0x04) */ 192 xcoff_reloc_type_toc, /* R_GL (0x05) */ 193 xcoff_reloc_type_toc, /* R_TCL (0x06) */ 194 xcoff_reloc_type_fail, /* (0x07) */ 195 xcoff_reloc_type_ba, /* R_BA (0x08) */ 196 xcoff_reloc_type_fail, /* (0x09) */ 197 xcoff64_reloc_type_br, /* R_BR (0x0a) */ 198 xcoff_reloc_type_fail, /* (0x0b) */ 199 xcoff_reloc_type_pos, /* R_RL (0x0c) */ 200 xcoff_reloc_type_pos, /* R_RLA (0x0d) */ 201 xcoff_reloc_type_fail, /* (0x0e) */ 202 xcoff_reloc_type_noop, /* R_REF (0x0f) */ 203 xcoff_reloc_type_fail, /* (0x10) */ 204 xcoff_reloc_type_fail, /* (0x11) */ 205 xcoff_reloc_type_toc, /* R_TRL (0x12) */ 206 xcoff_reloc_type_toc, /* R_TRLA (0x13) */ 207 xcoff_reloc_type_fail, /* R_RRTBI (0x14) */ 208 xcoff_reloc_type_fail, /* R_RRTBA (0x15) */ 209 xcoff_reloc_type_ba, /* R_CAI (0x16) */ 210 xcoff_reloc_type_crel, /* R_CREL (0x17) */ 211 xcoff_reloc_type_ba, /* R_RBA (0x18) */ 212 xcoff_reloc_type_ba, /* R_RBAC (0x19) */ 213 xcoff64_reloc_type_br, /* R_RBR (0x1a) */ 214 xcoff_reloc_type_ba, /* R_RBRC (0x1b) */ 215}; 216 217/* coffcode.h needs these to be defined. */ 218/* Internalcoff.h and coffcode.h modify themselves based on these flags. */ 219#define XCOFF64 220#define RS6000COFF_C 1 221 222#define SELECT_RELOC(internal, howto) \ 223 { \ 224 internal.r_type = howto->type; \ 225 internal.r_size = \ 226 ((howto->complain_on_overflow == complain_overflow_signed \ 227 ? 0x80 \ 228 : 0) \ 229 | (howto->bitsize - 1)); \ 230 } 231 232#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (3) 233#define COFF_LONG_FILENAMES 234#define NO_COFF_SYMBOLS 235#define RTYPE2HOWTO(cache_ptr, dst) xcoff64_rtype2howto (cache_ptr, dst) 236#define coff_mkobject _bfd_xcoff_mkobject 237#define coff_bfd_copy_private_bfd_data _bfd_xcoff_copy_private_bfd_data 238#define coff_bfd_is_local_label_name _bfd_xcoff_is_local_label_name 239#define coff_bfd_reloc_type_lookup xcoff64_reloc_type_lookup 240#define coff_bfd_reloc_name_lookup xcoff64_reloc_name_lookup 241#ifdef AIX_CORE 242extern const bfd_target * rs6000coff_core_p 243 PARAMS ((bfd *abfd)); 244extern bfd_boolean rs6000coff_core_file_matches_executable_p 245 PARAMS ((bfd *cbfd, bfd *ebfd)); 246extern char *rs6000coff_core_file_failing_command 247 PARAMS ((bfd *abfd)); 248extern int rs6000coff_core_file_failing_signal 249 PARAMS ((bfd *abfd)); 250#define CORE_FILE_P rs6000coff_core_p 251#define coff_core_file_failing_command \ 252 rs6000coff_core_file_failing_command 253#define coff_core_file_failing_signal \ 254 rs6000coff_core_file_failing_signal 255#define coff_core_file_matches_executable_p \ 256 rs6000coff_core_file_matches_executable_p 257#else 258#define CORE_FILE_P _bfd_dummy_target 259#define coff_core_file_failing_command \ 260 _bfd_nocore_core_file_failing_command 261#define coff_core_file_failing_signal \ 262 _bfd_nocore_core_file_failing_signal 263#define coff_core_file_matches_executable_p \ 264 _bfd_nocore_core_file_matches_executable_p 265#endif 266#define coff_SWAP_sym_in _bfd_xcoff64_swap_sym_in 267#define coff_SWAP_sym_out _bfd_xcoff64_swap_sym_out 268#define coff_SWAP_aux_in _bfd_xcoff64_swap_aux_in 269#define coff_SWAP_aux_out _bfd_xcoff64_swap_aux_out 270#define coff_swap_reloc_in xcoff64_swap_reloc_in 271#define coff_swap_reloc_out xcoff64_swap_reloc_out 272#define NO_COFF_RELOCS 273 274#include "coffcode.h" 275 276/* For XCOFF64, the effective width of symndx changes depending on 277 whether we are the first entry. Sigh. */ 278static void 279_bfd_xcoff64_swap_lineno_in (abfd, ext1, in1) 280 bfd *abfd; 281 PTR ext1; 282 PTR in1; 283{ 284 LINENO *ext = (LINENO *) ext1; 285 struct internal_lineno *in = (struct internal_lineno *) in1; 286 287 in->l_lnno = H_GET_32 (abfd, (ext->l_lnno)); 288 if (in->l_lnno == 0) 289 in->l_addr.l_symndx = H_GET_32 (abfd, ext->l_addr.l_symndx); 290 else 291 in->l_addr.l_paddr = H_GET_64 (abfd, ext->l_addr.l_paddr); 292} 293 294static unsigned int 295_bfd_xcoff64_swap_lineno_out (abfd, inp, outp) 296 bfd *abfd; 297 PTR inp; 298 PTR outp; 299{ 300 struct internal_lineno *in = (struct internal_lineno *) inp; 301 struct external_lineno *ext = (struct external_lineno *) outp; 302 303 H_PUT_32 (abfd, in->l_addr.l_symndx, ext->l_addr.l_symndx); 304 H_PUT_32 (abfd, in->l_lnno, (ext->l_lnno)); 305 306 if (in->l_lnno == 0) 307 H_PUT_32 (abfd, in->l_addr.l_symndx, ext->l_addr.l_symndx); 308 else 309 H_PUT_64 (abfd, in->l_addr.l_paddr, ext->l_addr.l_paddr); 310 311 return bfd_coff_linesz (abfd); 312} 313 314static void 315_bfd_xcoff64_swap_sym_in (abfd, ext1, in1) 316 bfd *abfd; 317 PTR ext1; 318 PTR in1; 319{ 320 struct external_syment *ext = (struct external_syment *) ext1; 321 struct internal_syment *in = (struct internal_syment *) in1; 322 323 in->_n._n_n._n_zeroes = 0; 324 in->_n._n_n._n_offset = H_GET_32 (abfd, ext->e_offset); 325 in->n_value = H_GET_64 (abfd, ext->e_value); 326 in->n_scnum = H_GET_16 (abfd, ext->e_scnum); 327 in->n_type = H_GET_16 (abfd, ext->e_type); 328 in->n_sclass = H_GET_8 (abfd, ext->e_sclass); 329 in->n_numaux = H_GET_8 (abfd, ext->e_numaux); 330} 331 332static unsigned int 333_bfd_xcoff64_swap_sym_out (abfd, inp, extp) 334 bfd *abfd; 335 PTR inp; 336 PTR extp; 337{ 338 struct internal_syment *in = (struct internal_syment *) inp; 339 struct external_syment *ext = (struct external_syment *) extp; 340 341 H_PUT_32 (abfd, in->_n._n_n._n_offset, ext->e_offset); 342 H_PUT_64 (abfd, in->n_value, ext->e_value); 343 H_PUT_16 (abfd, in->n_scnum, ext->e_scnum); 344 H_PUT_16 (abfd, in->n_type, ext->e_type); 345 H_PUT_8 (abfd, in->n_sclass, ext->e_sclass); 346 H_PUT_8 (abfd, in->n_numaux, ext->e_numaux); 347 return bfd_coff_symesz (abfd); 348} 349 350static void 351_bfd_xcoff64_swap_aux_in (abfd, ext1, type, class, indx, numaux, in1) 352 bfd *abfd; 353 PTR ext1; 354 int type; 355 int class; 356 int indx; 357 int numaux; 358 PTR in1; 359{ 360 union external_auxent *ext = (union external_auxent *) ext1; 361 union internal_auxent *in = (union internal_auxent *) in1; 362 363 switch (class) 364 { 365 case C_FILE: 366 if (ext->x_file.x_n.x_zeroes[0] == 0) 367 { 368 in->x_file.x_n.x_zeroes = 0; 369 in->x_file.x_n.x_offset = H_GET_32 (abfd, ext->x_file.x_n.x_offset); 370 } 371 else 372 { 373 memcpy (in->x_file.x_fname, ext->x_file.x_fname, FILNMLEN); 374 } 375 goto end; 376 377 /* RS/6000 "csect" auxents */ 378 case C_EXT: 379 case C_HIDEXT: 380 if (indx + 1 == numaux) 381 { 382 bfd_signed_vma h = 0; 383 bfd_vma l = 0; 384 385 h = H_GET_S32 (abfd, ext->x_csect.x_scnlen_hi); 386 l = H_GET_32 (abfd, ext->x_csect.x_scnlen_lo); 387 388 in->x_csect.x_scnlen.l = h << 32 | (l & 0xffffffff); 389 390 in->x_csect.x_parmhash = H_GET_32 (abfd, ext->x_csect.x_parmhash); 391 in->x_csect.x_snhash = H_GET_16 (abfd, ext->x_csect.x_snhash); 392 /* We don't have to hack bitfields in x_smtyp because it's 393 defined by shifts-and-ands, which are equivalent on all 394 byte orders. */ 395 in->x_csect.x_smtyp = H_GET_8 (abfd, ext->x_csect.x_smtyp); 396 in->x_csect.x_smclas = H_GET_8 (abfd, ext->x_csect.x_smclas); 397 goto end; 398 } 399 break; 400 401 case C_STAT: 402 case C_LEAFSTAT: 403 case C_HIDDEN: 404 if (type == T_NULL) 405 { 406 /* PE defines some extra fields; we zero them out for 407 safety. */ 408 in->x_scn.x_checksum = 0; 409 in->x_scn.x_associated = 0; 410 in->x_scn.x_comdat = 0; 411 412 goto end; 413 } 414 break; 415 } 416 417 if (class == C_BLOCK || class == C_FCN || ISFCN (type) || ISTAG (class)) 418 { 419 in->x_sym.x_fcnary.x_fcn.x_lnnoptr 420 = H_GET_64 (abfd, ext->x_sym.x_fcnary.x_fcn.x_lnnoptr); 421 in->x_sym.x_fcnary.x_fcn.x_endndx.l 422 = H_GET_32 (abfd, ext->x_sym.x_fcnary.x_fcn.x_endndx); 423 } 424 if (ISFCN (type)) 425 { 426 in->x_sym.x_misc.x_fsize 427 = H_GET_32 (abfd, ext->x_sym.x_fcnary.x_fcn.x_fsize); 428 } 429 else 430 { 431 in->x_sym.x_misc.x_lnsz.x_lnno 432 = H_GET_32 (abfd, ext->x_sym.x_fcnary.x_lnsz.x_lnno); 433 in->x_sym.x_misc.x_lnsz.x_size 434 = H_GET_16 (abfd, ext->x_sym.x_fcnary.x_lnsz.x_size); 435 } 436 437 end: ; 438} 439 440static unsigned int 441_bfd_xcoff64_swap_aux_out (abfd, inp, type, class, indx, numaux, extp) 442 bfd *abfd; 443 PTR inp; 444 int type; 445 int class; 446 int indx ATTRIBUTE_UNUSED; 447 int numaux ATTRIBUTE_UNUSED; 448 PTR extp; 449{ 450 union internal_auxent *in = (union internal_auxent *) inp; 451 union external_auxent *ext = (union external_auxent *) extp; 452 453 memset ((PTR) ext, 0, bfd_coff_auxesz (abfd)); 454 switch (class) 455 { 456 case C_FILE: 457 if (in->x_file.x_n.x_zeroes == 0) 458 { 459 H_PUT_32 (abfd, 0, ext->x_file.x_n.x_zeroes); 460 H_PUT_32 (abfd, in->x_file.x_n.x_offset, ext->x_file.x_n.x_offset); 461 } 462 else 463 { 464 memcpy (ext->x_file.x_fname, in->x_file.x_fname, FILNMLEN); 465 } 466 H_PUT_8 (abfd, _AUX_FILE, ext->x_auxtype.x_auxtype); 467 goto end; 468 469 /* RS/6000 "csect" auxents */ 470 case C_EXT: 471 case C_HIDEXT: 472 if (indx + 1 == numaux) 473 { 474 bfd_vma temp; 475 476 temp = in->x_csect.x_scnlen.l & 0xffffffff; 477 H_PUT_32 (abfd, temp, ext->x_csect.x_scnlen_lo); 478 temp = in->x_csect.x_scnlen.l >> 32; 479 H_PUT_32 (abfd, temp, ext->x_csect.x_scnlen_hi); 480 H_PUT_32 (abfd, in->x_csect.x_parmhash, ext->x_csect.x_parmhash); 481 H_PUT_16 (abfd, in->x_csect.x_snhash, ext->x_csect.x_snhash); 482 /* We don't have to hack bitfields in x_smtyp because it's 483 defined by shifts-and-ands, which are equivalent on all 484 byte orders. */ 485 H_PUT_8 (abfd, in->x_csect.x_smtyp, ext->x_csect.x_smtyp); 486 H_PUT_8 (abfd, in->x_csect.x_smclas, ext->x_csect.x_smclas); 487 H_PUT_8 (abfd, _AUX_CSECT, ext->x_auxtype.x_auxtype); 488 goto end; 489 } 490 break; 491 492 case C_STAT: 493 case C_LEAFSTAT: 494 case C_HIDDEN: 495 if (type == T_NULL) 496 { 497 goto end; 498 } 499 break; 500 } 501 502 if (class == C_BLOCK || class == C_FCN || ISFCN (type) || ISTAG (class)) 503 { 504 H_PUT_64 (abfd, in->x_sym.x_fcnary.x_fcn.x_lnnoptr, 505 ext->x_sym.x_fcnary.x_fcn.x_lnnoptr); 506 H_PUT_8 (abfd, _AUX_FCN, 507 ext->x_auxtype.x_auxtype); 508 H_PUT_32 (abfd, in->x_sym.x_fcnary.x_fcn.x_endndx.l, 509 ext->x_sym.x_fcnary.x_fcn.x_endndx); 510 } 511 if (ISFCN (type)) 512 { 513 H_PUT_32 (abfd, in->x_sym.x_misc.x_fsize, 514 ext->x_sym.x_fcnary.x_fcn.x_fsize); 515 } 516 else 517 { 518 H_PUT_32 (abfd, in->x_sym.x_misc.x_lnsz.x_lnno, 519 ext->x_sym.x_fcnary.x_lnsz.x_lnno); 520 H_PUT_16 (abfd, in->x_sym.x_misc.x_lnsz.x_size, 521 ext->x_sym.x_fcnary.x_lnsz.x_size); 522 } 523 524 end: 525 526 return bfd_coff_auxesz (abfd); 527} 528 529static bfd_boolean 530_bfd_xcoff64_put_symbol_name (abfd, strtab, sym, name) 531 bfd *abfd; 532 struct bfd_strtab_hash *strtab; 533 struct internal_syment *sym; 534 const char *name; 535{ 536 bfd_boolean hash; 537 bfd_size_type indx; 538 539 hash = TRUE; 540 541 if ((abfd->flags & BFD_TRADITIONAL_FORMAT) != 0) 542 hash = FALSE; 543 544 indx = _bfd_stringtab_add (strtab, name, hash, FALSE); 545 546 if (indx == (bfd_size_type) -1) 547 return FALSE; 548 549 sym->_n._n_n._n_zeroes = 0; 550 sym->_n._n_n._n_offset = STRING_SIZE_SIZE + indx; 551 552 return TRUE; 553} 554 555static bfd_boolean 556_bfd_xcoff64_put_ldsymbol_name (abfd, ldinfo, ldsym, name) 557 bfd *abfd ATTRIBUTE_UNUSED; 558 struct xcoff_loader_info *ldinfo; 559 struct internal_ldsym *ldsym; 560 const char *name; 561{ 562 size_t len; 563 len = strlen (name); 564 565 if (ldinfo->string_size + len + 3 > ldinfo->string_alc) 566 { 567 bfd_size_type newalc; 568 char *newstrings; 569 570 newalc = ldinfo->string_alc * 2; 571 if (newalc == 0) 572 newalc = 32; 573 while (ldinfo->string_size + len + 3 > newalc) 574 newalc *= 2; 575 576 newstrings = bfd_realloc (ldinfo->strings, newalc); 577 if (newstrings == NULL) 578 { 579 ldinfo->failed = TRUE; 580 return FALSE; 581 } 582 ldinfo->string_alc = newalc; 583 ldinfo->strings = newstrings; 584 } 585 586 bfd_put_16 (ldinfo->output_bfd, (bfd_vma) (len + 1), 587 ldinfo->strings + ldinfo->string_size); 588 strcpy (ldinfo->strings + ldinfo->string_size + 2, name); 589 ldsym->_l._l_l._l_zeroes = 0; 590 ldsym->_l._l_l._l_offset = ldinfo->string_size + 2; 591 ldinfo->string_size += len + 3; 592 593 return TRUE; 594} 595 596/* Routines to swap information in the XCOFF .loader section. If we 597 ever need to write an XCOFF loader, this stuff will need to be 598 moved to another file shared by the linker (which XCOFF calls the 599 ``binder'') and the loader. */ 600 601/* Swap in the ldhdr structure. */ 602 603static void 604xcoff64_swap_ldhdr_in (abfd, s, dst) 605 bfd *abfd; 606 const PTR s; 607 struct internal_ldhdr *dst; 608{ 609 const struct external_ldhdr *src = (const struct external_ldhdr *) s; 610 611 dst->l_version = bfd_get_32 (abfd, src->l_version); 612 dst->l_nsyms = bfd_get_32 (abfd, src->l_nsyms); 613 dst->l_nreloc = bfd_get_32 (abfd, src->l_nreloc); 614 dst->l_istlen = bfd_get_32 (abfd, src->l_istlen); 615 dst->l_nimpid = bfd_get_32 (abfd, src->l_nimpid); 616 dst->l_stlen = bfd_get_32 (abfd, src->l_stlen); 617 dst->l_impoff = bfd_get_64 (abfd, src->l_impoff); 618 dst->l_stoff = bfd_get_64 (abfd, src->l_stoff); 619 dst->l_symoff = bfd_get_64 (abfd, src->l_symoff); 620 dst->l_rldoff = bfd_get_64 (abfd, src->l_rldoff); 621} 622 623/* Swap out the ldhdr structure. */ 624 625static void 626xcoff64_swap_ldhdr_out (abfd, src, d) 627 bfd *abfd; 628 const struct internal_ldhdr *src; 629 PTR d; 630{ 631 struct external_ldhdr *dst = (struct external_ldhdr *) d; 632 633 bfd_put_32 (abfd, (bfd_vma) src->l_version, dst->l_version); 634 bfd_put_32 (abfd, src->l_nsyms, dst->l_nsyms); 635 bfd_put_32 (abfd, src->l_nreloc, dst->l_nreloc); 636 bfd_put_32 (abfd, src->l_istlen, dst->l_istlen); 637 bfd_put_32 (abfd, src->l_nimpid, dst->l_nimpid); 638 bfd_put_32 (abfd, src->l_stlen, dst->l_stlen); 639 bfd_put_64 (abfd, src->l_impoff, dst->l_impoff); 640 bfd_put_64 (abfd, src->l_stoff, dst->l_stoff); 641 bfd_put_64 (abfd, src->l_symoff, dst->l_symoff); 642 bfd_put_64 (abfd, src->l_rldoff, dst->l_rldoff); 643} 644 645/* Swap in the ldsym structure. */ 646 647static void 648xcoff64_swap_ldsym_in (abfd, s, dst) 649 bfd *abfd; 650 const PTR s; 651 struct internal_ldsym *dst; 652{ 653 const struct external_ldsym *src = (const struct external_ldsym *) s; 654 /* XCOFF64 does not use l_zeroes like XCOFF32 655 Set the internal l_zeroes to 0 so the common 32/64 code uses l_value 656 as an offset into the loader symbol table. */ 657 dst->_l._l_l._l_zeroes = 0; 658 dst->_l._l_l._l_offset = bfd_get_32 (abfd, src->l_offset); 659 dst->l_value = bfd_get_64 (abfd, src->l_value); 660 dst->l_scnum = bfd_get_16 (abfd, src->l_scnum); 661 dst->l_smtype = bfd_get_8 (abfd, src->l_smtype); 662 dst->l_smclas = bfd_get_8 (abfd, src->l_smclas); 663 dst->l_ifile = bfd_get_32 (abfd, src->l_ifile); 664 dst->l_parm = bfd_get_32 (abfd, src->l_parm); 665} 666 667/* Swap out the ldsym structure. */ 668 669static void 670xcoff64_swap_ldsym_out (abfd, src, d) 671 bfd *abfd; 672 const struct internal_ldsym *src; 673 PTR d; 674{ 675 struct external_ldsym *dst = (struct external_ldsym *) d; 676 677 bfd_put_64 (abfd, src->l_value, dst->l_value); 678 bfd_put_32 (abfd, (bfd_vma) src->_l._l_l._l_offset, dst->l_offset); 679 bfd_put_16 (abfd, (bfd_vma) src->l_scnum, dst->l_scnum); 680 bfd_put_8 (abfd, src->l_smtype, dst->l_smtype); 681 bfd_put_8 (abfd, src->l_smclas, dst->l_smclas); 682 bfd_put_32 (abfd, src->l_ifile, dst->l_ifile); 683 bfd_put_32 (abfd, src->l_parm, dst->l_parm); 684} 685 686static void 687xcoff64_swap_reloc_in (abfd, s, d) 688 bfd *abfd; 689 PTR s; 690 PTR d; 691{ 692 struct external_reloc *src = (struct external_reloc *) s; 693 struct internal_reloc *dst = (struct internal_reloc *) d; 694 695 memset (dst, 0, sizeof (struct internal_reloc)); 696 697 dst->r_vaddr = bfd_get_64 (abfd, src->r_vaddr); 698 dst->r_symndx = bfd_get_32 (abfd, src->r_symndx); 699 dst->r_size = bfd_get_8 (abfd, src->r_size); 700 dst->r_type = bfd_get_8 (abfd, src->r_type); 701} 702 703static unsigned int 704xcoff64_swap_reloc_out (abfd, s, d) 705 bfd *abfd; 706 PTR s; 707 PTR d; 708{ 709 struct internal_reloc *src = (struct internal_reloc *) s; 710 struct external_reloc *dst = (struct external_reloc *) d; 711 712 bfd_put_64 (abfd, src->r_vaddr, dst->r_vaddr); 713 bfd_put_32 (abfd, src->r_symndx, dst->r_symndx); 714 bfd_put_8 (abfd, src->r_type, dst->r_type); 715 bfd_put_8 (abfd, src->r_size, dst->r_size); 716 717 return bfd_coff_relsz (abfd); 718} 719 720/* Swap in the ldrel structure. */ 721 722static void 723xcoff64_swap_ldrel_in (abfd, s, dst) 724 bfd *abfd; 725 const PTR s; 726 struct internal_ldrel *dst; 727{ 728 const struct external_ldrel *src = (const struct external_ldrel *) s; 729 730 dst->l_vaddr = bfd_get_64 (abfd, src->l_vaddr); 731 dst->l_symndx = bfd_get_32 (abfd, src->l_symndx); 732 dst->l_rtype = bfd_get_16 (abfd, src->l_rtype); 733 dst->l_rsecnm = bfd_get_16 (abfd, src->l_rsecnm); 734} 735 736/* Swap out the ldrel structure. */ 737 738static void 739xcoff64_swap_ldrel_out (abfd, src, d) 740 bfd *abfd; 741 const struct internal_ldrel *src; 742 PTR d; 743{ 744 struct external_ldrel *dst = (struct external_ldrel *) d; 745 746 bfd_put_64 (abfd, src->l_vaddr, dst->l_vaddr); 747 bfd_put_16 (abfd, (bfd_vma) src->l_rtype, dst->l_rtype); 748 bfd_put_16 (abfd, (bfd_vma) src->l_rsecnm, dst->l_rsecnm); 749 bfd_put_32 (abfd, src->l_symndx, dst->l_symndx); 750} 751 752static bfd_boolean 753xcoff64_write_object_contents (abfd) 754 bfd *abfd; 755{ 756 asection *current; 757 bfd_boolean hasrelocs = FALSE; 758 bfd_boolean haslinno = FALSE; 759 file_ptr scn_base; 760 file_ptr reloc_base; 761 file_ptr lineno_base; 762 file_ptr sym_base; 763 unsigned long reloc_size = 0; 764 unsigned long lnno_size = 0; 765 bfd_boolean long_section_names; 766 asection *text_sec = ((void *) 0); 767 asection *data_sec = ((void *) 0); 768 asection *bss_sec = ((void *) 0); 769 struct internal_filehdr internal_f; 770 struct internal_aouthdr internal_a; 771 772 bfd_set_error (bfd_error_system_call); 773 774 if (! abfd->output_has_begun) 775 { 776 if (! bfd_coff_compute_section_file_positions (abfd)) 777 return FALSE; 778 } 779 780 /* Work out the size of the reloc and linno areas. */ 781 reloc_base = obj_relocbase (abfd); 782 783 for (current = abfd->sections; current != NULL; current = current->next) 784 reloc_size += current->reloc_count * bfd_coff_relsz (abfd); 785 786 lineno_base = reloc_base + reloc_size; 787 788 /* Make a pass through the symbol table to count line number entries and 789 put them into the correct asections. */ 790 lnno_size = coff_count_linenumbers (abfd) * bfd_coff_linesz (abfd); 791 792 sym_base = lineno_base + lnno_size; 793 794 /* Indicate in each section->line_filepos its actual file address. */ 795 for (current = abfd->sections; current != NULL; current = current->next) 796 { 797 if (current->lineno_count) 798 { 799 current->line_filepos = lineno_base; 800 current->moving_line_filepos = lineno_base; 801 lineno_base += current->lineno_count * bfd_coff_linesz (abfd); 802 } 803 else 804 { 805 current->line_filepos = 0; 806 } 807 808 if (current->reloc_count) 809 { 810 current->rel_filepos = reloc_base; 811 reloc_base += current->reloc_count * bfd_coff_relsz (abfd); 812 } 813 else 814 { 815 current->rel_filepos = 0; 816 } 817 } 818 819 if ((abfd->flags & EXEC_P) != 0) 820 { 821 scn_base = bfd_coff_filhsz (abfd) + bfd_coff_aoutsz (abfd); 822 internal_f.f_opthdr = bfd_coff_aoutsz (abfd); 823 } 824 else 825 { 826 scn_base = bfd_coff_filhsz (abfd); 827 internal_f.f_opthdr = 0; 828 } 829 830 internal_f.f_nscns = 0; 831 832 if (bfd_seek (abfd, scn_base, SEEK_SET) != 0) 833 return FALSE; 834 835 long_section_names = FALSE; 836 for (current = abfd->sections; current != NULL; current = current->next) 837 { 838 struct internal_scnhdr section; 839 struct external_scnhdr buff; 840 bfd_size_type amount; 841 842 internal_f.f_nscns++; 843 844 strncpy (section.s_name, current->name, SCNNMLEN); 845 846 section.s_vaddr = current->vma; 847 section.s_paddr = current->lma; 848 section.s_size = current->size; 849 850 /* If this section has no size or is unloadable then the scnptr 851 will be 0 too. */ 852 if (current->size == 0 853 || (current->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0) 854 { 855 section.s_scnptr = 0; 856 } 857 else 858 { 859 section.s_scnptr = current->filepos; 860 } 861 862 section.s_relptr = current->rel_filepos; 863 section.s_lnnoptr = current->line_filepos; 864 section.s_nreloc = current->reloc_count; 865 866 section.s_nlnno = current->lineno_count; 867 if (current->reloc_count != 0) 868 hasrelocs = TRUE; 869 if (current->lineno_count != 0) 870 haslinno = TRUE; 871 872 section.s_flags = sec_to_styp_flags (current->name, current->flags); 873 874 if (!strcmp (current->name, _TEXT)) 875 { 876 text_sec = current; 877 } 878 else if (!strcmp (current->name, _DATA)) 879 { 880 data_sec = current; 881 } 882 else if (!strcmp (current->name, _BSS)) 883 { 884 bss_sec = current; 885 } 886 887 amount = bfd_coff_scnhsz (abfd); 888 if (bfd_coff_swap_scnhdr_out (abfd, §ion, &buff) == 0 889 || bfd_bwrite ((PTR) (&buff), amount, abfd) != amount) 890 return FALSE; 891 } 892 893 internal_f.f_timdat = 0; 894 895 internal_f.f_flags = 0; 896 897 if (!hasrelocs) 898 internal_f.f_flags |= F_RELFLG; 899 if (!haslinno) 900 internal_f.f_flags |= F_LNNO; 901 if (abfd->flags & EXEC_P) 902 internal_f.f_flags |= F_EXEC; 903 904 /* FIXME: this is wrong for PPC_PE! */ 905 if (bfd_little_endian (abfd)) 906 internal_f.f_flags |= F_AR32WR; 907 else 908 internal_f.f_flags |= F_AR32W; 909 910 if ((abfd->flags & DYNAMIC) != 0) 911 internal_f.f_flags |= F_SHROBJ; 912 if (bfd_get_section_by_name (abfd, _LOADER) != NULL) 913 internal_f.f_flags |= F_DYNLOAD; 914 915 memset (&internal_a, 0, sizeof internal_a); 916 917 internal_f.f_magic = bfd_xcoff_magic_number (abfd); 918 internal_a.magic = (abfd->flags & D_PAGED 919 ? RS6K_AOUTHDR_ZMAGIC 920 : (abfd->flags & WP_TEXT 921 ? RS6K_AOUTHDR_NMAGIC 922 : RS6K_AOUTHDR_OMAGIC)); 923 924 /* FIXME: Does anybody ever set this to another value? */ 925 internal_a.vstamp = 0; 926 927 /* Now should write relocs, strings, syms. */ 928 obj_sym_filepos (abfd) = sym_base; 929 930 internal_f.f_symptr = 0; 931 internal_f.f_nsyms = 0; 932 933 /* If bfd_get_symcount (abfd) != 0, then we are not using the COFF 934 backend linker, and obj_raw_syment_count is not valid until after 935 coff_write_symbols is called. */ 936 if (bfd_get_symcount (abfd) != 0) 937 { 938 int firstundef; 939 940 if (!coff_renumber_symbols (abfd, &firstundef)) 941 return FALSE; 942 coff_mangle_symbols (abfd); 943 if (! coff_write_symbols (abfd)) 944 return FALSE; 945 if (! coff_write_linenumbers (abfd)) 946 return FALSE; 947 if (! coff_write_relocs (abfd, firstundef)) 948 return FALSE; 949 950 internal_f.f_symptr = sym_base; 951 internal_f.f_nsyms = bfd_get_symcount (abfd); 952 } 953 else if (obj_raw_syment_count (abfd) != 0) 954 { 955 internal_f.f_symptr = sym_base; 956 957 /* AIX appears to require that F_RELFLG not be set if there are 958 local symbols but no relocations. */ 959 internal_f.f_flags &=~ F_RELFLG; 960 } 961 else 962 { 963 internal_f.f_flags |= F_LSYMS; 964 } 965 966 if (text_sec) 967 { 968 internal_a.tsize = text_sec->size; 969 internal_a.text_start = internal_a.tsize ? text_sec->vma : 0; 970 } 971 972 if (data_sec) 973 { 974 internal_a.dsize = data_sec->size; 975 internal_a.data_start = internal_a.dsize ? data_sec->vma : 0; 976 } 977 978 if (bss_sec) 979 { 980 internal_a.bsize = bss_sec->size; 981 if (internal_a.bsize && bss_sec->vma < internal_a.data_start) 982 internal_a.data_start = bss_sec->vma; 983 } 984 985 internal_a.entry = bfd_get_start_address (abfd); 986 internal_f.f_nsyms = obj_raw_syment_count (abfd); 987 988 if (xcoff_data (abfd)->full_aouthdr) 989 { 990 bfd_vma toc; 991 asection *loader_sec; 992 993 internal_a.vstamp = 1; 994 995 internal_a.o_snentry = xcoff_data (abfd)->snentry; 996 if (internal_a.o_snentry == 0) 997 internal_a.entry = (bfd_vma) -1; 998 999 if (text_sec != NULL) 1000 { 1001 internal_a.o_sntext = text_sec->target_index; 1002 internal_a.o_algntext = bfd_get_section_alignment (abfd, text_sec); 1003 } 1004 else 1005 { 1006 internal_a.o_sntext = 0; 1007 internal_a.o_algntext = 0; 1008 } 1009 1010 if (data_sec != NULL) 1011 { 1012 internal_a.o_sndata = data_sec->target_index; 1013 internal_a.o_algndata = bfd_get_section_alignment (abfd, data_sec); 1014 } 1015 else 1016 { 1017 internal_a.o_sndata = 0; 1018 internal_a.o_algndata = 0; 1019 } 1020 1021 loader_sec = bfd_get_section_by_name (abfd, ".loader"); 1022 if (loader_sec != NULL) 1023 internal_a.o_snloader = loader_sec->target_index; 1024 else 1025 internal_a.o_snloader = 0; 1026 if (bss_sec != NULL) 1027 internal_a.o_snbss = bss_sec->target_index; 1028 else 1029 internal_a.o_snbss = 0; 1030 1031 toc = xcoff_data (abfd)->toc; 1032 internal_a.o_toc = toc; 1033 internal_a.o_sntoc = xcoff_data (abfd)->sntoc; 1034 1035 internal_a.o_modtype = xcoff_data (abfd)->modtype; 1036 if (xcoff_data (abfd)->cputype != -1) 1037 internal_a.o_cputype = xcoff_data (abfd)->cputype; 1038 else 1039 { 1040 switch (bfd_get_arch (abfd)) 1041 { 1042 case bfd_arch_rs6000: 1043 internal_a.o_cputype = 4; 1044 break; 1045 case bfd_arch_powerpc: 1046 if (bfd_get_mach (abfd) == bfd_mach_ppc) 1047 internal_a.o_cputype = 3; 1048 else 1049 internal_a.o_cputype = 1; 1050 break; 1051 default: 1052 abort (); 1053 } 1054 } 1055 internal_a.o_maxstack = xcoff_data (abfd)->maxstack; 1056 internal_a.o_maxdata = xcoff_data (abfd)->maxdata; 1057 } 1058 1059 if (bfd_seek (abfd, (file_ptr) 0, 0) != 0) 1060 return FALSE; 1061 1062 { 1063 char * buff; 1064 bfd_size_type amount = bfd_coff_filhsz (abfd); 1065 1066 buff = bfd_malloc (amount); 1067 if (buff == NULL) 1068 return FALSE; 1069 1070 bfd_coff_swap_filehdr_out (abfd, (PTR) &internal_f, (PTR) buff); 1071 amount = bfd_bwrite ((PTR) buff, amount, abfd); 1072 1073 free (buff); 1074 1075 if (amount != bfd_coff_filhsz (abfd)) 1076 return FALSE; 1077 } 1078 1079 if (abfd->flags & EXEC_P) 1080 { 1081 char * buff; 1082 bfd_size_type amount = bfd_coff_aoutsz (abfd); 1083 1084 buff = bfd_malloc (amount); 1085 if (buff == NULL) 1086 return FALSE; 1087 1088 bfd_coff_swap_aouthdr_out (abfd, (PTR) &internal_a, (PTR) buff); 1089 amount = bfd_bwrite ((PTR) buff, amount, abfd); 1090 1091 free (buff); 1092 1093 if (amount != bfd_coff_aoutsz (abfd)) 1094 return FALSE; 1095 } 1096 1097 return TRUE; 1098} 1099 1100static bfd_boolean 1101xcoff64_reloc_type_br (input_bfd, input_section, output_bfd, rel, sym, howto, 1102 val, addend, relocation, contents) 1103 bfd *input_bfd; 1104 asection *input_section; 1105 bfd *output_bfd ATTRIBUTE_UNUSED; 1106 struct internal_reloc *rel; 1107 struct internal_syment *sym ATTRIBUTE_UNUSED; 1108 struct reloc_howto_struct *howto; 1109 bfd_vma val; 1110 bfd_vma addend; 1111 bfd_vma *relocation; 1112 bfd_byte *contents; 1113{ 1114 struct xcoff_link_hash_entry *h; 1115 1116 if (0 > rel->r_symndx) 1117 return FALSE; 1118 1119 h = obj_xcoff_sym_hashes (input_bfd)[rel->r_symndx]; 1120 1121 /* If we see an R_BR or R_RBR reloc which is jumping to global 1122 linkage code, and it is followed by an appropriate cror nop 1123 instruction, we replace the cror with ld r2,40(r1). This 1124 restores the TOC after the glink code. Contrariwise, if the 1125 call is followed by a ld r2,40(r1), but the call is not 1126 going to global linkage code, we can replace the load with a 1127 cror. */ 1128 if (NULL != h 1129 && bfd_link_hash_defined == h->root.type 1130 && rel->r_vaddr - input_section->vma + 8 <= input_section->size) 1131 { 1132 bfd_byte *pnext; 1133 unsigned long next; 1134 1135 pnext = contents + (rel->r_vaddr - input_section->vma) + 4; 1136 next = bfd_get_32 (input_bfd, pnext); 1137 1138 /* The _ptrgl function is magic. It is used by the AIX compiler to call 1139 a function through a pointer. */ 1140 if (h->smclas == XMC_GL || strcmp (h->root.root.string, "._ptrgl") == 0) 1141 { 1142 if (next == 0x4def7b82 /* cror 15,15,15 */ 1143 || next == 0x4ffffb82 /* cror 31,31,31 */ 1144 || next == 0x60000000) /* ori r0,r0,0 */ 1145 bfd_put_32 (input_bfd, 0xe8410028, pnext); /* ld r2,40(r1) */ 1146 } 1147 else 1148 { 1149 if (next == 0xe8410028) /* ld r2,40(r1) */ 1150 bfd_put_32 (input_bfd, 0x60000000, pnext); /* ori r0,r0,0 */ 1151 } 1152 } 1153 else if (NULL != h && bfd_link_hash_undefined == h->root.type) 1154 { 1155 /* Normally, this relocation is against a defined symbol. In the 1156 case where this is a partial link and the output section offset 1157 is greater than 2^25, the linker will return an invalid error 1158 message that the relocation has been truncated. Yes it has been 1159 truncated but no it not important. For this case, disable the 1160 overflow checking. */ 1161 howto->complain_on_overflow = complain_overflow_dont; 1162 } 1163 1164 howto->pc_relative = TRUE; 1165 howto->src_mask &= ~3; 1166 howto->dst_mask = howto->src_mask; 1167 1168 /* A PC relative reloc includes the section address. */ 1169 addend += input_section->vma; 1170 1171 *relocation = val + addend; 1172 *relocation -= (input_section->output_section->vma 1173 + input_section->output_offset); 1174 return TRUE; 1175} 1176 1177/* This is the relocation function for the PowerPC64. 1178 See xcoff_ppc_relocation_section for more information. */ 1179 1180bfd_boolean 1181xcoff64_ppc_relocate_section (output_bfd, info, input_bfd, 1182 input_section, contents, relocs, syms, 1183 sections) 1184 bfd *output_bfd; 1185 struct bfd_link_info *info; 1186 bfd *input_bfd; 1187 asection *input_section; 1188 bfd_byte *contents; 1189 struct internal_reloc *relocs; 1190 struct internal_syment *syms; 1191 asection **sections; 1192{ 1193 struct internal_reloc *rel; 1194 struct internal_reloc *relend; 1195 1196 rel = relocs; 1197 relend = rel + input_section->reloc_count; 1198 for (; rel < relend; rel++) 1199 { 1200 long symndx; 1201 struct xcoff_link_hash_entry *h; 1202 struct internal_syment *sym; 1203 bfd_vma addend; 1204 bfd_vma val; 1205 struct reloc_howto_struct howto; 1206 bfd_vma relocation; 1207 bfd_vma value_to_relocate; 1208 bfd_vma address; 1209 bfd_byte *location; 1210 1211 /* Relocation type R_REF is a special relocation type which is 1212 merely used to prevent garbage collection from occurring for 1213 the csect including the symbol which it references. */ 1214 if (rel->r_type == R_REF) 1215 continue; 1216 1217 /* howto */ 1218 howto.type = rel->r_type; 1219 howto.rightshift = 0; 1220 howto.bitsize = (rel->r_size & 0x3f) + 1; 1221 howto.size = howto.bitsize > 16 ? (howto.bitsize > 32 ? 4 : 2) : 1; 1222 howto.pc_relative = FALSE; 1223 howto.bitpos = 0; 1224 howto.complain_on_overflow = (rel->r_size & 0x80 1225 ? complain_overflow_signed 1226 : complain_overflow_bitfield); 1227 howto.special_function = NULL; 1228 howto.name = "internal"; 1229 howto.partial_inplace = TRUE; 1230 howto.src_mask = howto.dst_mask = N_ONES (howto.bitsize); 1231 howto.pcrel_offset = FALSE; 1232 1233 /* symbol */ 1234 val = 0; 1235 addend = 0; 1236 h = NULL; 1237 sym = NULL; 1238 symndx = rel->r_symndx; 1239 1240 if (-1 != symndx) 1241 { 1242 asection *sec; 1243 1244 h = obj_xcoff_sym_hashes (input_bfd)[symndx]; 1245 sym = syms + symndx; 1246 addend = - sym->n_value; 1247 1248 if (NULL == h) 1249 { 1250 sec = sections[symndx]; 1251 /* Hack to make sure we use the right TOC anchor value 1252 if this reloc is against the TOC anchor. */ 1253 if (sec->name[3] == '0' 1254 && strcmp (sec->name, ".tc0") == 0) 1255 val = xcoff_data (output_bfd)->toc; 1256 else 1257 val = (sec->output_section->vma 1258 + sec->output_offset 1259 + sym->n_value 1260 - sec->vma); 1261 } 1262 else 1263 { 1264 if (h->root.type == bfd_link_hash_defined 1265 || h->root.type == bfd_link_hash_defweak) 1266 { 1267 sec = h->root.u.def.section; 1268 val = (h->root.u.def.value 1269 + sec->output_section->vma 1270 + sec->output_offset); 1271 } 1272 else if (h->root.type == bfd_link_hash_common) 1273 { 1274 sec = h->root.u.c.p->section; 1275 val = (sec->output_section->vma 1276 + sec->output_offset); 1277 } 1278 else if ((0 == (h->flags & (XCOFF_DEF_DYNAMIC | XCOFF_IMPORT))) 1279 && ! info->relocatable) 1280 { 1281 if (! ((*info->callbacks->undefined_symbol) 1282 (info, h->root.root.string, input_bfd, input_section, 1283 rel->r_vaddr - input_section->vma, TRUE))) 1284 return FALSE; 1285 1286 /* Don't try to process the reloc. It can't help, and 1287 it may generate another error. */ 1288 continue; 1289 } 1290 } 1291 } 1292 1293 if (rel->r_type >= XCOFF_MAX_CALCULATE_RELOCATION 1294 || !((*xcoff64_calculate_relocation[rel->r_type]) 1295 (input_bfd, input_section, output_bfd, rel, sym, &howto, val, 1296 addend, &relocation, contents))) 1297 return FALSE; 1298 1299 /* address */ 1300 address = rel->r_vaddr - input_section->vma; 1301 location = contents + address; 1302 1303 if (address > input_section->size) 1304 abort (); 1305 1306 /* Get the value we are going to relocate. */ 1307 if (1 == howto.size) 1308 value_to_relocate = bfd_get_16 (input_bfd, location); 1309 else if (2 == howto.size) 1310 value_to_relocate = bfd_get_32 (input_bfd, location); 1311 else 1312 value_to_relocate = bfd_get_64 (input_bfd, location); 1313 1314 /* overflow. 1315 1316 FIXME: We may drop bits during the addition 1317 which we don't check for. We must either check at every single 1318 operation, which would be tedious, or we must do the computations 1319 in a type larger than bfd_vma, which would be inefficient. */ 1320 1321 if ((unsigned int) howto.complain_on_overflow 1322 >= XCOFF_MAX_COMPLAIN_OVERFLOW) 1323 abort (); 1324 1325 if (((*xcoff_complain_overflow[howto.complain_on_overflow]) 1326 (input_bfd, value_to_relocate, relocation, &howto))) 1327 { 1328 const char *name; 1329 char buf[SYMNMLEN + 1]; 1330 char reloc_type_name[10]; 1331 1332 if (symndx == -1) 1333 { 1334 name = "*ABS*"; 1335 } 1336 else if (h != NULL) 1337 { 1338 name = NULL; 1339 } 1340 else 1341 { 1342 name = _bfd_coff_internal_syment_name (input_bfd, sym, buf); 1343 if (name == NULL) 1344 name = "UNKNOWN"; 1345 } 1346 sprintf (reloc_type_name, "0x%02x", rel->r_type); 1347 1348 if (! ((*info->callbacks->reloc_overflow) 1349 (info, (h ? &h->root : NULL), name, reloc_type_name, 1350 (bfd_vma) 0, input_bfd, input_section, 1351 rel->r_vaddr - input_section->vma))) 1352 return FALSE; 1353 } 1354 1355 /* Add RELOCATION to the right bits of VALUE_TO_RELOCATE. */ 1356 value_to_relocate = ((value_to_relocate & ~howto.dst_mask) 1357 | (((value_to_relocate & howto.src_mask) 1358 + relocation) & howto.dst_mask)); 1359 1360 /* Put the value back in the object file. */ 1361 if (1 == howto.size) 1362 bfd_put_16 (input_bfd, value_to_relocate, location); 1363 else if (2 == howto.size) 1364 bfd_put_32 (input_bfd, value_to_relocate, location); 1365 else 1366 bfd_put_64 (input_bfd, value_to_relocate, location); 1367 1368 } 1369 return TRUE; 1370} 1371 1372 1373/* The XCOFF reloc table. Actually, XCOFF relocations specify the 1374 bitsize and whether they are signed or not, along with a 1375 conventional type. This table is for the types, which are used for 1376 different algorithms for putting in the reloc. Many of these 1377 relocs need special_function entries, which I have not written. */ 1378 1379reloc_howto_type xcoff64_howto_table[] = 1380{ 1381 /* Standard 64 bit relocation. */ 1382 HOWTO (R_POS, /* type */ 1383 0, /* rightshift */ 1384 4, /* size (0 = byte, 1 = short, 2 = long) */ 1385 64, /* bitsize */ 1386 FALSE, /* pc_relative */ 1387 0, /* bitpos */ 1388 complain_overflow_bitfield, /* complain_on_overflow */ 1389 0, /* special_function */ 1390 "R_POS_64", /* name */ 1391 TRUE, /* partial_inplace */ 1392 MINUS_ONE, /* src_mask */ 1393 MINUS_ONE, /* dst_mask */ 1394 FALSE), /* pcrel_offset */ 1395 1396 /* 64 bit relocation, but store negative value. */ 1397 HOWTO (R_NEG, /* type */ 1398 0, /* rightshift */ 1399 -4, /* size (0 = byte, 1 = short, 2 = long) */ 1400 64, /* bitsize */ 1401 FALSE, /* pc_relative */ 1402 0, /* bitpos */ 1403 complain_overflow_bitfield, /* complain_on_overflow */ 1404 0, /* special_function */ 1405 "R_NEG", /* name */ 1406 TRUE, /* partial_inplace */ 1407 MINUS_ONE, /* src_mask */ 1408 MINUS_ONE, /* dst_mask */ 1409 FALSE), /* pcrel_offset */ 1410 1411 /* 32 bit PC relative relocation. */ 1412 HOWTO (R_REL, /* type */ 1413 0, /* rightshift */ 1414 2, /* size (0 = byte, 1 = short, 2 = long) */ 1415 32, /* bitsize */ 1416 TRUE, /* pc_relative */ 1417 0, /* bitpos */ 1418 complain_overflow_signed, /* complain_on_overflow */ 1419 0, /* special_function */ 1420 "R_REL", /* name */ 1421 TRUE, /* partial_inplace */ 1422 0xffffffff, /* src_mask */ 1423 0xffffffff, /* dst_mask */ 1424 FALSE), /* pcrel_offset */ 1425 1426 /* 16 bit TOC relative relocation. */ 1427 HOWTO (R_TOC, /* type */ 1428 0, /* rightshift */ 1429 1, /* size (0 = byte, 1 = short, 2 = long) */ 1430 16, /* bitsize */ 1431 FALSE, /* pc_relative */ 1432 0, /* bitpos */ 1433 complain_overflow_bitfield, /* complain_on_overflow */ 1434 0, /* special_function */ 1435 "R_TOC", /* name */ 1436 TRUE, /* partial_inplace */ 1437 0xffff, /* src_mask */ 1438 0xffff, /* dst_mask */ 1439 FALSE), /* pcrel_offset */ 1440 1441 /* I don't really know what this is. */ 1442 HOWTO (R_RTB, /* type */ 1443 1, /* rightshift */ 1444 2, /* size (0 = byte, 1 = short, 2 = long) */ 1445 32, /* bitsize */ 1446 FALSE, /* pc_relative */ 1447 0, /* bitpos */ 1448 complain_overflow_bitfield, /* complain_on_overflow */ 1449 0, /* special_function */ 1450 "R_RTB", /* name */ 1451 TRUE, /* partial_inplace */ 1452 0xffffffff, /* src_mask */ 1453 0xffffffff, /* dst_mask */ 1454 FALSE), /* pcrel_offset */ 1455 1456 /* External TOC relative symbol. */ 1457 HOWTO (R_GL, /* type */ 1458 0, /* rightshift */ 1459 1, /* size (0 = byte, 1 = short, 2 = long) */ 1460 16, /* bitsize */ 1461 FALSE, /* pc_relative */ 1462 0, /* bitpos */ 1463 complain_overflow_bitfield, /* complain_on_overflow */ 1464 0, /* special_function */ 1465 "R_GL", /* name */ 1466 TRUE, /* partial_inplace */ 1467 0xffff, /* src_mask */ 1468 0xffff, /* dst_mask */ 1469 FALSE), /* pcrel_offset */ 1470 1471 /* Local TOC relative symbol. */ 1472 HOWTO (R_TCL, /* type */ 1473 0, /* rightshift */ 1474 1, /* size (0 = byte, 1 = short, 2 = long) */ 1475 16, /* bitsize */ 1476 FALSE, /* pc_relative */ 1477 0, /* bitpos */ 1478 complain_overflow_bitfield, /* complain_on_overflow */ 1479 0, /* special_function */ 1480 "R_TCL", /* name */ 1481 TRUE, /* partial_inplace */ 1482 0xffff, /* src_mask */ 1483 0xffff, /* dst_mask */ 1484 FALSE), /* pcrel_offset */ 1485 1486 EMPTY_HOWTO (7), 1487 1488 /* Non modifiable absolute branch. */ 1489 HOWTO (R_BA, /* type */ 1490 0, /* rightshift */ 1491 2, /* size (0 = byte, 1 = short, 2 = long) */ 1492 26, /* bitsize */ 1493 FALSE, /* pc_relative */ 1494 0, /* bitpos */ 1495 complain_overflow_bitfield, /* complain_on_overflow */ 1496 0, /* special_function */ 1497 "R_BA_26", /* name */ 1498 TRUE, /* partial_inplace */ 1499 0x03fffffc, /* src_mask */ 1500 0x03fffffc, /* dst_mask */ 1501 FALSE), /* pcrel_offset */ 1502 1503 EMPTY_HOWTO (9), 1504 1505 /* Non modifiable relative branch. */ 1506 HOWTO (R_BR, /* type */ 1507 0, /* rightshift */ 1508 2, /* size (0 = byte, 1 = short, 2 = long) */ 1509 26, /* bitsize */ 1510 TRUE, /* pc_relative */ 1511 0, /* bitpos */ 1512 complain_overflow_signed, /* complain_on_overflow */ 1513 0, /* special_function */ 1514 "R_BR", /* name */ 1515 TRUE, /* partial_inplace */ 1516 0x03fffffc, /* src_mask */ 1517 0x03fffffc, /* dst_mask */ 1518 FALSE), /* pcrel_offset */ 1519 1520 EMPTY_HOWTO (0xb), 1521 1522 /* Indirect load. */ 1523 HOWTO (R_RL, /* type */ 1524 0, /* rightshift */ 1525 1, /* size (0 = byte, 1 = short, 2 = long) */ 1526 16, /* bitsize */ 1527 FALSE, /* pc_relative */ 1528 0, /* bitpos */ 1529 complain_overflow_bitfield, /* complain_on_overflow */ 1530 0, /* special_function */ 1531 "R_RL", /* name */ 1532 TRUE, /* partial_inplace */ 1533 0xffff, /* src_mask */ 1534 0xffff, /* dst_mask */ 1535 FALSE), /* pcrel_offset */ 1536 1537 /* Load address. */ 1538 HOWTO (R_RLA, /* type */ 1539 0, /* rightshift */ 1540 1, /* size (0 = byte, 1 = short, 2 = long) */ 1541 16, /* bitsize */ 1542 FALSE, /* pc_relative */ 1543 0, /* bitpos */ 1544 complain_overflow_bitfield, /* complain_on_overflow */ 1545 0, /* special_function */ 1546 "R_RLA", /* name */ 1547 TRUE, /* partial_inplace */ 1548 0xffff, /* src_mask */ 1549 0xffff, /* dst_mask */ 1550 FALSE), /* pcrel_offset */ 1551 1552 EMPTY_HOWTO (0xe), 1553 1554 /* Non-relocating reference. */ 1555 HOWTO (R_REF, /* type */ 1556 0, /* rightshift */ 1557 2, /* size (0 = byte, 1 = short, 2 = long) */ 1558 32, /* bitsize */ 1559 FALSE, /* pc_relative */ 1560 0, /* bitpos */ 1561 complain_overflow_dont, /* complain_on_overflow */ 1562 0, /* special_function */ 1563 "R_REF", /* name */ 1564 FALSE, /* partial_inplace */ 1565 0, /* src_mask */ 1566 0, /* dst_mask */ 1567 FALSE), /* pcrel_offset */ 1568 1569 EMPTY_HOWTO (0x10), 1570 EMPTY_HOWTO (0x11), 1571 1572 /* TOC relative indirect load. */ 1573 HOWTO (R_TRL, /* type */ 1574 0, /* rightshift */ 1575 1, /* size (0 = byte, 1 = short, 2 = long) */ 1576 16, /* bitsize */ 1577 FALSE, /* pc_relative */ 1578 0, /* bitpos */ 1579 complain_overflow_bitfield, /* complain_on_overflow */ 1580 0, /* special_function */ 1581 "R_TRL", /* name */ 1582 TRUE, /* partial_inplace */ 1583 0xffff, /* src_mask */ 1584 0xffff, /* dst_mask */ 1585 FALSE), /* pcrel_offset */ 1586 1587 /* TOC relative load address. */ 1588 HOWTO (R_TRLA, /* type */ 1589 0, /* rightshift */ 1590 1, /* size (0 = byte, 1 = short, 2 = long) */ 1591 16, /* bitsize */ 1592 FALSE, /* pc_relative */ 1593 0, /* bitpos */ 1594 complain_overflow_bitfield, /* complain_on_overflow */ 1595 0, /* special_function */ 1596 "R_TRLA", /* name */ 1597 TRUE, /* partial_inplace */ 1598 0xffff, /* src_mask */ 1599 0xffff, /* dst_mask */ 1600 FALSE), /* pcrel_offset */ 1601 1602 /* Modifiable relative branch. */ 1603 HOWTO (R_RRTBI, /* type */ 1604 1, /* rightshift */ 1605 2, /* size (0 = byte, 1 = short, 2 = long) */ 1606 32, /* bitsize */ 1607 FALSE, /* pc_relative */ 1608 0, /* bitpos */ 1609 complain_overflow_bitfield, /* complain_on_overflow */ 1610 0, /* special_function */ 1611 "R_RRTBI", /* name */ 1612 TRUE, /* partial_inplace */ 1613 0xffffffff, /* src_mask */ 1614 0xffffffff, /* dst_mask */ 1615 FALSE), /* pcrel_offset */ 1616 1617 /* Modifiable absolute branch. */ 1618 HOWTO (R_RRTBA, /* type */ 1619 1, /* rightshift */ 1620 2, /* size (0 = byte, 1 = short, 2 = long) */ 1621 32, /* bitsize */ 1622 FALSE, /* pc_relative */ 1623 0, /* bitpos */ 1624 complain_overflow_bitfield, /* complain_on_overflow */ 1625 0, /* special_function */ 1626 "R_RRTBA", /* name */ 1627 TRUE, /* partial_inplace */ 1628 0xffffffff, /* src_mask */ 1629 0xffffffff, /* dst_mask */ 1630 FALSE), /* pcrel_offset */ 1631 1632 /* Modifiable call absolute indirect. */ 1633 HOWTO (R_CAI, /* type */ 1634 0, /* rightshift */ 1635 1, /* size (0 = byte, 1 = short, 2 = long) */ 1636 16, /* bitsize */ 1637 FALSE, /* pc_relative */ 1638 0, /* bitpos */ 1639 complain_overflow_bitfield, /* complain_on_overflow */ 1640 0, /* special_function */ 1641 "R_CAI", /* name */ 1642 TRUE, /* partial_inplace */ 1643 0xffff, /* src_mask */ 1644 0xffff, /* dst_mask */ 1645 FALSE), /* pcrel_offset */ 1646 1647 /* Modifiable call relative. */ 1648 HOWTO (R_CREL, /* type */ 1649 0, /* rightshift */ 1650 1, /* size (0 = byte, 1 = short, 2 = long) */ 1651 16, /* bitsize */ 1652 FALSE, /* pc_relative */ 1653 0, /* bitpos */ 1654 complain_overflow_bitfield, /* complain_on_overflow */ 1655 0, /* special_function */ 1656 "R_CREL", /* name */ 1657 TRUE, /* partial_inplace */ 1658 0xffff, /* src_mask */ 1659 0xffff, /* dst_mask */ 1660 FALSE), /* pcrel_offset */ 1661 1662 /* Modifiable branch absolute. */ 1663 HOWTO (R_RBA, /* type */ 1664 0, /* rightshift */ 1665 2, /* size (0 = byte, 1 = short, 2 = long) */ 1666 26, /* bitsize */ 1667 FALSE, /* pc_relative */ 1668 0, /* bitpos */ 1669 complain_overflow_bitfield, /* complain_on_overflow */ 1670 0, /* special_function */ 1671 "R_RBA", /* name */ 1672 TRUE, /* partial_inplace */ 1673 0x03fffffc, /* src_mask */ 1674 0x03fffffc, /* dst_mask */ 1675 FALSE), /* pcrel_offset */ 1676 1677 /* Modifiable branch absolute. */ 1678 HOWTO (R_RBAC, /* type */ 1679 0, /* rightshift */ 1680 2, /* size (0 = byte, 1 = short, 2 = long) */ 1681 32, /* bitsize */ 1682 FALSE, /* pc_relative */ 1683 0, /* bitpos */ 1684 complain_overflow_bitfield, /* complain_on_overflow */ 1685 0, /* special_function */ 1686 "R_RBAC", /* name */ 1687 TRUE, /* partial_inplace */ 1688 0xffffffff, /* src_mask */ 1689 0xffffffff, /* dst_mask */ 1690 FALSE), /* pcrel_offset */ 1691 1692 /* Modifiable branch relative. */ 1693 HOWTO (R_RBR, /* type */ 1694 0, /* rightshift */ 1695 2, /* size (0 = byte, 1 = short, 2 = long) */ 1696 26, /* bitsize */ 1697 FALSE, /* pc_relative */ 1698 0, /* bitpos */ 1699 complain_overflow_signed, /* complain_on_overflow */ 1700 0, /* special_function */ 1701 "R_RBR_26", /* name */ 1702 TRUE, /* partial_inplace */ 1703 0x03fffffc, /* src_mask */ 1704 0x03fffffc, /* dst_mask */ 1705 FALSE), /* pcrel_offset */ 1706 1707 /* Modifiable branch absolute. */ 1708 HOWTO (R_RBRC, /* type */ 1709 0, /* rightshift */ 1710 1, /* size (0 = byte, 1 = short, 2 = long) */ 1711 16, /* bitsize */ 1712 FALSE, /* pc_relative */ 1713 0, /* bitpos */ 1714 complain_overflow_bitfield, /* complain_on_overflow */ 1715 0, /* special_function */ 1716 "R_RBRC", /* name */ 1717 TRUE, /* partial_inplace */ 1718 0xffff, /* src_mask */ 1719 0xffff, /* dst_mask */ 1720 FALSE), /* pcrel_offset */ 1721 1722 HOWTO (R_POS, /* type */ 1723 0, /* rightshift */ 1724 2, /* size (0 = byte, 1 = short, 2 = long) */ 1725 32, /* bitsize */ 1726 FALSE, /* pc_relative */ 1727 0, /* bitpos */ 1728 complain_overflow_bitfield, /* complain_on_overflow */ 1729 0, /* special_function */ 1730 "R_POS_32", /* name */ 1731 TRUE, /* partial_inplace */ 1732 0xffffffff, /* src_mask */ 1733 0xffffffff, /* dst_mask */ 1734 FALSE), /* pcrel_offset */ 1735 1736 /* 16 bit Non modifiable absolute branch. */ 1737 HOWTO (R_BA, /* type */ 1738 0, /* rightshift */ 1739 1, /* size (0 = byte, 1 = short, 2 = long) */ 1740 16, /* bitsize */ 1741 FALSE, /* pc_relative */ 1742 0, /* bitpos */ 1743 complain_overflow_bitfield, /* complain_on_overflow */ 1744 0, /* special_function */ 1745 "R_BA_16", /* name */ 1746 TRUE, /* partial_inplace */ 1747 0xfffc, /* src_mask */ 1748 0xfffc, /* dst_mask */ 1749 FALSE), /* pcrel_offset */ 1750 1751 /* Modifiable branch relative. */ 1752 HOWTO (R_RBR, /* type */ 1753 0, /* rightshift */ 1754 1, /* size (0 = byte, 1 = short, 2 = long) */ 1755 16, /* bitsize */ 1756 FALSE, /* pc_relative */ 1757 0, /* bitpos */ 1758 complain_overflow_signed, /* complain_on_overflow */ 1759 0, /* special_function */ 1760 "R_RBR_16", /* name */ 1761 TRUE, /* partial_inplace */ 1762 0xffff, /* src_mask */ 1763 0xffff, /* dst_mask */ 1764 FALSE), /* pcrel_offset */ 1765 1766 /* Modifiable branch absolute. */ 1767 HOWTO (R_RBA, /* type */ 1768 0, /* rightshift */ 1769 1, /* size (0 = byte, 1 = short, 2 = long) */ 1770 16, /* bitsize */ 1771 FALSE, /* pc_relative */ 1772 0, /* bitpos */ 1773 complain_overflow_bitfield, /* complain_on_overflow */ 1774 0, /* special_function */ 1775 "R_RBA_16", /* name */ 1776 TRUE, /* partial_inplace */ 1777 0xffff, /* src_mask */ 1778 0xffff, /* dst_mask */ 1779 FALSE), /* pcrel_offset */ 1780 1781}; 1782 1783void 1784xcoff64_rtype2howto (relent, internal) 1785 arelent *relent; 1786 struct internal_reloc *internal; 1787{ 1788 if (internal->r_type > R_RBRC) 1789 abort (); 1790 1791 /* Default howto layout works most of the time */ 1792 relent->howto = &xcoff64_howto_table[internal->r_type]; 1793 1794 /* Special case some 16 bit reloc */ 1795 if (15 == (internal->r_size & 0x3f)) 1796 { 1797 if (R_BA == internal->r_type) 1798 relent->howto = &xcoff64_howto_table[0x1d]; 1799 else if (R_RBR == internal->r_type) 1800 relent->howto = &xcoff64_howto_table[0x1e]; 1801 else if (R_RBA == internal->r_type) 1802 relent->howto = &xcoff64_howto_table[0x1f]; 1803 } 1804 /* Special case 32 bit */ 1805 else if (31 == (internal->r_size & 0x3f)) 1806 { 1807 if (R_POS == internal->r_type) 1808 relent->howto = &xcoff64_howto_table[0x1c]; 1809 } 1810 1811 /* The r_size field of an XCOFF reloc encodes the bitsize of the 1812 relocation, as well as indicating whether it is signed or not. 1813 Doublecheck that the relocation information gathered from the 1814 type matches this information. The bitsize is not significant 1815 for R_REF relocs. */ 1816 if (relent->howto->dst_mask != 0 1817 && (relent->howto->bitsize 1818 != ((unsigned int) internal->r_size & 0x3f) + 1)) 1819 abort (); 1820} 1821 1822reloc_howto_type * 1823xcoff64_reloc_type_lookup (abfd, code) 1824 bfd *abfd ATTRIBUTE_UNUSED; 1825 bfd_reloc_code_real_type code; 1826{ 1827 switch (code) 1828 { 1829 case BFD_RELOC_PPC_B26: 1830 return &xcoff64_howto_table[0xa]; 1831 case BFD_RELOC_PPC_BA16: 1832 return &xcoff64_howto_table[0x1d]; 1833 case BFD_RELOC_PPC_BA26: 1834 return &xcoff64_howto_table[8]; 1835 case BFD_RELOC_PPC_TOC16: 1836 return &xcoff64_howto_table[3]; 1837 case BFD_RELOC_32: 1838 case BFD_RELOC_CTOR: 1839 return &xcoff64_howto_table[0x1c]; 1840 case BFD_RELOC_64: 1841 return &xcoff64_howto_table[0]; 1842 default: 1843 return NULL; 1844 } 1845} 1846 1847static reloc_howto_type * 1848xcoff64_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, 1849 const char *r_name) 1850{ 1851 unsigned int i; 1852 1853 for (i = 0; 1854 i < sizeof (xcoff64_howto_table) / sizeof (xcoff64_howto_table[0]); 1855 i++) 1856 if (xcoff64_howto_table[i].name != NULL 1857 && strcasecmp (xcoff64_howto_table[i].name, r_name) == 0) 1858 return &xcoff64_howto_table[i]; 1859 1860 return NULL; 1861} 1862 1863/* Read in the armap of an XCOFF archive. */ 1864 1865static bfd_boolean 1866xcoff64_slurp_armap (abfd) 1867 bfd *abfd; 1868{ 1869 file_ptr off; 1870 size_t namlen; 1871 bfd_size_type sz, amt; 1872 bfd_byte *contents, *cend; 1873 bfd_vma c, i; 1874 carsym *arsym; 1875 bfd_byte *p; 1876 file_ptr pos; 1877 1878 /* This is for the new format. */ 1879 struct xcoff_ar_hdr_big hdr; 1880 1881 if (xcoff_ardata (abfd) == NULL) 1882 { 1883 bfd_has_map (abfd) = FALSE; 1884 return TRUE; 1885 } 1886 1887 off = bfd_scan_vma (xcoff_ardata_big (abfd)->symoff64, 1888 (const char **) NULL, 10); 1889 if (off == 0) 1890 { 1891 bfd_has_map (abfd) = FALSE; 1892 return TRUE; 1893 } 1894 1895 if (bfd_seek (abfd, off, SEEK_SET) != 0) 1896 return FALSE; 1897 1898 /* The symbol table starts with a normal archive header. */ 1899 if (bfd_bread ((PTR) &hdr, (bfd_size_type) SIZEOF_AR_HDR_BIG, abfd) 1900 != SIZEOF_AR_HDR_BIG) 1901 return FALSE; 1902 1903 /* Skip the name (normally empty). */ 1904 namlen = strtol (hdr.namlen, (char **) NULL, 10); 1905 pos = ((namlen + 1) & ~(size_t) 1) + SXCOFFARFMAG; 1906 if (bfd_seek (abfd, pos, SEEK_CUR) != 0) 1907 return FALSE; 1908 1909 sz = bfd_scan_vma (hdr.size, (const char **) NULL, 10); 1910 1911 /* Read in the entire symbol table. */ 1912 contents = (bfd_byte *) bfd_alloc (abfd, sz); 1913 if (contents == NULL) 1914 return FALSE; 1915 if (bfd_bread ((PTR) contents, sz, abfd) != sz) 1916 return FALSE; 1917 1918 /* The symbol table starts with an eight byte count. */ 1919 c = H_GET_64 (abfd, contents); 1920 1921 if (c * 8 >= sz) 1922 { 1923 bfd_set_error (bfd_error_bad_value); 1924 return FALSE; 1925 } 1926 amt = c; 1927 amt *= sizeof (carsym); 1928 bfd_ardata (abfd)->symdefs = (carsym *) bfd_alloc (abfd, amt); 1929 if (bfd_ardata (abfd)->symdefs == NULL) 1930 return FALSE; 1931 1932 /* After the count comes a list of eight byte file offsets. */ 1933 for (i = 0, arsym = bfd_ardata (abfd)->symdefs, p = contents + 8; 1934 i < c; 1935 ++i, ++arsym, p += 8) 1936 arsym->file_offset = H_GET_64 (abfd, p); 1937 1938 /* After the file offsets come null terminated symbol names. */ 1939 cend = contents + sz; 1940 for (i = 0, arsym = bfd_ardata (abfd)->symdefs; 1941 i < c; 1942 ++i, ++arsym, p += strlen ((char *) p) + 1) 1943 { 1944 if (p >= cend) 1945 { 1946 bfd_set_error (bfd_error_bad_value); 1947 return FALSE; 1948 } 1949 arsym->name = (char *) p; 1950 } 1951 1952 bfd_ardata (abfd)->symdef_count = c; 1953 bfd_has_map (abfd) = TRUE; 1954 1955 return TRUE; 1956} 1957 1958 1959/* See if this is an NEW XCOFF archive. */ 1960 1961static const bfd_target * 1962xcoff64_archive_p (abfd) 1963 bfd *abfd; 1964{ 1965 struct artdata *tdata_hold; 1966 char magic[SXCOFFARMAG]; 1967 /* This is the new format. */ 1968 struct xcoff_ar_file_hdr_big hdr; 1969 bfd_size_type amt = SXCOFFARMAG; 1970 1971 if (bfd_bread ((PTR) magic, amt, abfd) != amt) 1972 { 1973 if (bfd_get_error () != bfd_error_system_call) 1974 bfd_set_error (bfd_error_wrong_format); 1975 return NULL; 1976 } 1977 1978 if (strncmp (magic, XCOFFARMAGBIG, SXCOFFARMAG) != 0) 1979 { 1980 bfd_set_error (bfd_error_wrong_format); 1981 return NULL; 1982 } 1983 1984 /* Copy over the magic string. */ 1985 memcpy (hdr.magic, magic, SXCOFFARMAG); 1986 1987 /* Now read the rest of the file header. */ 1988 amt = SIZEOF_AR_FILE_HDR_BIG - SXCOFFARMAG; 1989 if (bfd_bread ((PTR) &hdr.memoff, amt, abfd) != amt) 1990 { 1991 if (bfd_get_error () != bfd_error_system_call) 1992 bfd_set_error (bfd_error_wrong_format); 1993 return NULL; 1994 } 1995 1996 tdata_hold = bfd_ardata (abfd); 1997 1998 amt = sizeof (struct artdata); 1999 bfd_ardata (abfd) = (struct artdata *) bfd_zalloc (abfd, amt); 2000 if (bfd_ardata (abfd) == (struct artdata *) NULL) 2001 goto error_ret_restore; 2002 2003 /* Already cleared by bfd_zalloc above. 2004 bfd_ardata (abfd)->cache = NULL; 2005 bfd_ardata (abfd)->archive_head = NULL; 2006 bfd_ardata (abfd)->symdefs = NULL; 2007 bfd_ardata (abfd)->extended_names = NULL; 2008 bfd_ardata (abfd)->extended_names_size = 0; */ 2009 bfd_ardata (abfd)->first_file_filepos = bfd_scan_vma (hdr.firstmemoff, 2010 (const char **) NULL, 2011 10); 2012 2013 amt = SIZEOF_AR_FILE_HDR_BIG; 2014 bfd_ardata (abfd)->tdata = bfd_zalloc (abfd, amt); 2015 if (bfd_ardata (abfd)->tdata == NULL) 2016 goto error_ret; 2017 2018 memcpy (bfd_ardata (abfd)->tdata, &hdr, SIZEOF_AR_FILE_HDR_BIG); 2019 2020 if (! xcoff64_slurp_armap (abfd)) 2021 { 2022 error_ret: 2023 bfd_release (abfd, bfd_ardata (abfd)); 2024 error_ret_restore: 2025 bfd_ardata (abfd) = tdata_hold; 2026 return NULL; 2027 } 2028 2029 return abfd->xvec; 2030} 2031 2032 2033/* Open the next element in an XCOFF archive. */ 2034 2035static bfd * 2036xcoff64_openr_next_archived_file (archive, last_file) 2037 bfd *archive; 2038 bfd *last_file; 2039{ 2040 bfd_vma filestart; 2041 2042 if ((xcoff_ardata (archive) == NULL) 2043 || ! xcoff_big_format_p (archive)) 2044 { 2045 bfd_set_error (bfd_error_invalid_operation); 2046 return NULL; 2047 } 2048 2049 if (last_file == NULL) 2050 { 2051 filestart = bfd_ardata (archive)->first_file_filepos; 2052 } 2053 else 2054 { 2055 filestart = bfd_scan_vma (arch_xhdr_big (last_file)->nextoff, 2056 (const char **) NULL, 10); 2057 } 2058 2059 if (filestart == 0 2060 || filestart == bfd_scan_vma (xcoff_ardata_big (archive)->memoff, 2061 (const char **) NULL, 10) 2062 || filestart == bfd_scan_vma (xcoff_ardata_big (archive)->symoff, 2063 (const char **) NULL, 10)) 2064 { 2065 bfd_set_error (bfd_error_no_more_archived_files); 2066 return NULL; 2067 } 2068 2069 return _bfd_get_elt_at_filepos (archive, (file_ptr) filestart); 2070} 2071 2072/* We can't use the usual coff_sizeof_headers routine, because AIX 2073 always uses an a.out header. */ 2074 2075static int 2076xcoff64_sizeof_headers (bfd *abfd, 2077 struct bfd_link_info *info ATTRIBUTE_UNUSED) 2078{ 2079 int size; 2080 2081 size = bfd_coff_filhsz (abfd); 2082 2083 /* Don't think the small aout header can be used since some of the 2084 old elements have been reordered past the end of the old coff 2085 small aout size. */ 2086 2087 if (xcoff_data (abfd)->full_aouthdr) 2088 size += bfd_coff_aoutsz (abfd); 2089 2090 size += abfd->section_count * bfd_coff_scnhsz (abfd); 2091 return size; 2092} 2093 2094 2095 2096static asection * 2097xcoff64_create_csect_from_smclas (abfd, aux, symbol_name) 2098 bfd *abfd; 2099 union internal_auxent *aux; 2100 const char *symbol_name; 2101{ 2102 asection *return_value = NULL; 2103 2104 /* Changes from 32 : 2105 .sv == 8, is only for 32 bit programs 2106 .ti == 12 and .tb == 13 are now reserved. */ 2107 static const char *names[19] = 2108 { 2109 ".pr", ".ro", ".db", ".tc", ".ua", ".rw", ".gl", ".xo", 2110 NULL, ".bs", ".ds", ".uc", NULL, NULL, NULL, ".tc0", 2111 ".td", ".sv64", ".sv3264" 2112 }; 2113 2114 if ((19 >= aux->x_csect.x_smclas) 2115 && (NULL != names[aux->x_csect.x_smclas])) 2116 { 2117 2118 return_value = bfd_make_section_anyway 2119 (abfd, names[aux->x_csect.x_smclas]); 2120 2121 } 2122 else 2123 { 2124 (*_bfd_error_handler) 2125 (_("%B: symbol `%s' has unrecognized smclas %d"), 2126 abfd, symbol_name, aux->x_csect.x_smclas); 2127 bfd_set_error (bfd_error_bad_value); 2128 } 2129 2130 return return_value; 2131} 2132 2133static bfd_boolean 2134xcoff64_is_lineno_count_overflow (abfd, value) 2135 bfd *abfd ATTRIBUTE_UNUSED; 2136 bfd_vma value ATTRIBUTE_UNUSED; 2137{ 2138 return FALSE; 2139} 2140 2141static bfd_boolean 2142xcoff64_is_reloc_count_overflow (abfd, value) 2143 bfd *abfd ATTRIBUTE_UNUSED; 2144 bfd_vma value ATTRIBUTE_UNUSED; 2145{ 2146 return FALSE; 2147} 2148 2149static bfd_vma 2150xcoff64_loader_symbol_offset (abfd, ldhdr) 2151 bfd *abfd ATTRIBUTE_UNUSED; 2152 struct internal_ldhdr *ldhdr; 2153{ 2154 return (ldhdr->l_symoff); 2155} 2156 2157static bfd_vma 2158xcoff64_loader_reloc_offset (abfd, ldhdr) 2159 bfd *abfd ATTRIBUTE_UNUSED; 2160 struct internal_ldhdr *ldhdr; 2161{ 2162 return (ldhdr->l_rldoff); 2163} 2164 2165static bfd_boolean 2166xcoff64_bad_format_hook (abfd, filehdr) 2167 bfd * abfd; 2168 PTR filehdr; 2169{ 2170 struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr; 2171 2172 /* Check flavor first. */ 2173 if (bfd_get_flavour (abfd) != bfd_target_xcoff_flavour) 2174 return FALSE; 2175 2176 if (bfd_xcoff_magic_number (abfd) != internal_f->f_magic) 2177 return FALSE; 2178 2179 return TRUE; 2180} 2181 2182static bfd_boolean 2183xcoff64_generate_rtinit (abfd, init, fini, rtld) 2184 bfd *abfd; 2185 const char *init; 2186 const char *fini; 2187 bfd_boolean rtld; 2188{ 2189 bfd_byte filehdr_ext[FILHSZ]; 2190 bfd_byte scnhdr_ext[SCNHSZ * 3]; 2191 bfd_byte syment_ext[SYMESZ * 10]; 2192 bfd_byte reloc_ext[RELSZ * 3]; 2193 bfd_byte *data_buffer; 2194 bfd_size_type data_buffer_size; 2195 bfd_byte *string_table, *st_tmp; 2196 bfd_size_type string_table_size; 2197 bfd_vma val; 2198 size_t initsz, finisz; 2199 struct internal_filehdr filehdr; 2200 struct internal_scnhdr text_scnhdr; 2201 struct internal_scnhdr data_scnhdr; 2202 struct internal_scnhdr bss_scnhdr; 2203 struct internal_syment syment; 2204 union internal_auxent auxent; 2205 struct internal_reloc reloc; 2206 2207 char *text_name = ".text"; 2208 char *data_name = ".data"; 2209 char *bss_name = ".bss"; 2210 char *rtinit_name = "__rtinit"; 2211 char *rtld_name = "__rtld"; 2212 2213 if (! bfd_xcoff_rtinit_size (abfd)) 2214 return FALSE; 2215 2216 initsz = (init == NULL ? 0 : 1 + strlen (init)); 2217 finisz = (fini == NULL ? 0 : 1 + strlen (fini)); 2218 2219 /* File header. */ 2220 memset (filehdr_ext, 0, FILHSZ); 2221 memset (&filehdr, 0, sizeof (struct internal_filehdr)); 2222 filehdr.f_magic = bfd_xcoff_magic_number (abfd); 2223 filehdr.f_nscns = 3; 2224 filehdr.f_timdat = 0; 2225 filehdr.f_nsyms = 0; /* at least 6, no more than 8 */ 2226 filehdr.f_symptr = 0; /* set below */ 2227 filehdr.f_opthdr = 0; 2228 filehdr.f_flags = 0; 2229 2230 /* Section headers. */ 2231 memset (scnhdr_ext, 0, 3 * SCNHSZ); 2232 2233 /* Text. */ 2234 memset (&text_scnhdr, 0, sizeof (struct internal_scnhdr)); 2235 memcpy (text_scnhdr.s_name, text_name, strlen (text_name)); 2236 text_scnhdr.s_paddr = 0; 2237 text_scnhdr.s_vaddr = 0; 2238 text_scnhdr.s_size = 0; 2239 text_scnhdr.s_scnptr = 0; 2240 text_scnhdr.s_relptr = 0; 2241 text_scnhdr.s_lnnoptr = 0; 2242 text_scnhdr.s_nreloc = 0; 2243 text_scnhdr.s_nlnno = 0; 2244 text_scnhdr.s_flags = STYP_TEXT; 2245 2246 /* Data. */ 2247 memset (&data_scnhdr, 0, sizeof (struct internal_scnhdr)); 2248 memcpy (data_scnhdr.s_name, data_name, strlen (data_name)); 2249 data_scnhdr.s_paddr = 0; 2250 data_scnhdr.s_vaddr = 0; 2251 data_scnhdr.s_size = 0; /* set below */ 2252 data_scnhdr.s_scnptr = FILHSZ + 3 * SCNHSZ; 2253 data_scnhdr.s_relptr = 0; /* set below */ 2254 data_scnhdr.s_lnnoptr = 0; 2255 data_scnhdr.s_nreloc = 0; /* either 1 or 2 */ 2256 data_scnhdr.s_nlnno = 0; 2257 data_scnhdr.s_flags = STYP_DATA; 2258 2259 /* Bss. */ 2260 memset (&bss_scnhdr, 0, sizeof (struct internal_scnhdr)); 2261 memcpy (bss_scnhdr.s_name, bss_name, strlen (bss_name)); 2262 bss_scnhdr.s_paddr = 0; /* set below */ 2263 bss_scnhdr.s_vaddr = 0; /* set below */ 2264 bss_scnhdr.s_size = 0; /* set below */ 2265 bss_scnhdr.s_scnptr = 0; 2266 bss_scnhdr.s_relptr = 0; 2267 bss_scnhdr.s_lnnoptr = 0; 2268 bss_scnhdr.s_nreloc = 0; 2269 bss_scnhdr.s_nlnno = 0; 2270 bss_scnhdr.s_flags = STYP_BSS; 2271 2272 /* .data 2273 0x0000 0x00000000 : rtl 2274 0x0004 0x00000000 : 2275 0x0008 0x00000018 : offset to init, or 0 2276 0x000C 0x00000038 : offset to fini, or 0 2277 0x0010 0x00000010 : size of descriptor 2278 0x0014 0x00000000 : pad 2279 0x0018 0x00000000 : init, needs a reloc 2280 0x001C 0x00000000 : 2281 0x0020 0x00000058 : offset to init name 2282 0x0024 0x00000000 : flags, padded to a word 2283 0x0028 0x00000000 : empty init 2284 0x002C 0x00000000 : 2285 0x0030 0x00000000 : 2286 0x0034 0x00000000 : 2287 0x0038 0x00000000 : fini, needs a reloc 2288 0x003C 0x00000000 : 2289 0x0040 0x00000??? : offset to fini name 2290 0x0044 0x00000000 : flags, padded to a word 2291 0x0048 0x00000000 : empty fini 2292 0x004C 0x00000000 : 2293 0x0050 0x00000000 : 2294 0x0054 0x00000000 : 2295 0x0058 init name 2296 0x0058 + initsz fini name */ 2297 2298 data_buffer_size = 0x0058 + initsz + finisz; 2299 data_buffer_size = (data_buffer_size + 7) &~ (bfd_size_type) 7; 2300 data_buffer = NULL; 2301 data_buffer = (bfd_byte *) bfd_zmalloc (data_buffer_size); 2302 if (data_buffer == NULL) 2303 return FALSE; 2304 2305 if (initsz) 2306 { 2307 val = 0x18; 2308 bfd_put_32 (abfd, val, &data_buffer[0x08]); 2309 val = 0x58; 2310 bfd_put_32 (abfd, val, &data_buffer[0x20]); 2311 memcpy (&data_buffer[val], init, initsz); 2312 } 2313 2314 if (finisz) 2315 { 2316 val = 0x38; 2317 bfd_put_32 (abfd, val, &data_buffer[0x0C]); 2318 val = 0x58 + initsz; 2319 bfd_put_32 (abfd, val, &data_buffer[0x40]); 2320 memcpy (&data_buffer[val], fini, finisz); 2321 } 2322 2323 val = 0x10; 2324 bfd_put_32 (abfd, val, &data_buffer[0x10]); 2325 data_scnhdr.s_size = data_buffer_size; 2326 bss_scnhdr.s_paddr = bss_scnhdr.s_vaddr = data_scnhdr.s_size; 2327 2328 /* String table. */ 2329 string_table_size = 4; 2330 string_table_size += strlen (data_name) + 1; 2331 string_table_size += strlen (rtinit_name) + 1; 2332 string_table_size += initsz; 2333 string_table_size += finisz; 2334 if (rtld) 2335 string_table_size += strlen (rtld_name) + 1; 2336 2337 string_table = (bfd_byte *) bfd_zmalloc (string_table_size); 2338 if (string_table == NULL) 2339 return FALSE; 2340 2341 val = string_table_size; 2342 bfd_put_32 (abfd, val, &string_table[0]); 2343 st_tmp = string_table + 4; 2344 2345 /* symbols 2346 0. .data csect 2347 2. __rtinit 2348 4. init function 2349 6. fini function 2350 8. __rtld */ 2351 memset (syment_ext, 0, 10 * SYMESZ); 2352 memset (reloc_ext, 0, 3 * RELSZ); 2353 2354 /* .data csect */ 2355 memset (&syment, 0, sizeof (struct internal_syment)); 2356 memset (&auxent, 0, sizeof (union internal_auxent)); 2357 2358 syment._n._n_n._n_offset = st_tmp - string_table; 2359 memcpy (st_tmp, data_name, strlen (data_name)); 2360 st_tmp += strlen (data_name) + 1; 2361 2362 syment.n_scnum = 2; 2363 syment.n_sclass = C_HIDEXT; 2364 syment.n_numaux = 1; 2365 auxent.x_csect.x_scnlen.l = data_buffer_size; 2366 auxent.x_csect.x_smtyp = 3 << 3 | XTY_SD; 2367 auxent.x_csect.x_smclas = XMC_RW; 2368 bfd_coff_swap_sym_out (abfd, &syment, 2369 &syment_ext[filehdr.f_nsyms * SYMESZ]); 2370 bfd_coff_swap_aux_out (abfd, &auxent, syment.n_type, syment.n_sclass, 0, 2371 syment.n_numaux, 2372 &syment_ext[(filehdr.f_nsyms + 1) * SYMESZ]); 2373 filehdr.f_nsyms += 2; 2374 2375 /* __rtinit */ 2376 memset (&syment, 0, sizeof (struct internal_syment)); 2377 memset (&auxent, 0, sizeof (union internal_auxent)); 2378 syment._n._n_n._n_offset = st_tmp - string_table; 2379 memcpy (st_tmp, rtinit_name, strlen (rtinit_name)); 2380 st_tmp += strlen (rtinit_name) + 1; 2381 2382 syment.n_scnum = 2; 2383 syment.n_sclass = C_EXT; 2384 syment.n_numaux = 1; 2385 auxent.x_csect.x_smtyp = XTY_LD; 2386 auxent.x_csect.x_smclas = XMC_RW; 2387 bfd_coff_swap_sym_out (abfd, &syment, 2388 &syment_ext[filehdr.f_nsyms * SYMESZ]); 2389 bfd_coff_swap_aux_out (abfd, &auxent, syment.n_type, syment.n_sclass, 0, 2390 syment.n_numaux, 2391 &syment_ext[(filehdr.f_nsyms + 1) * SYMESZ]); 2392 filehdr.f_nsyms += 2; 2393 2394 /* Init. */ 2395 if (initsz) 2396 { 2397 memset (&syment, 0, sizeof (struct internal_syment)); 2398 memset (&auxent, 0, sizeof (union internal_auxent)); 2399 2400 syment._n._n_n._n_offset = st_tmp - string_table; 2401 memcpy (st_tmp, init, initsz); 2402 st_tmp += initsz; 2403 2404 syment.n_sclass = C_EXT; 2405 syment.n_numaux = 1; 2406 bfd_coff_swap_sym_out (abfd, &syment, 2407 &syment_ext[filehdr.f_nsyms * SYMESZ]); 2408 bfd_coff_swap_aux_out (abfd, &auxent, syment.n_type, syment.n_sclass, 0, 2409 syment.n_numaux, 2410 &syment_ext[(filehdr.f_nsyms + 1) * SYMESZ]); 2411 /* Reloc. */ 2412 memset (&reloc, 0, sizeof (struct internal_reloc)); 2413 reloc.r_vaddr = 0x0018; 2414 reloc.r_symndx = filehdr.f_nsyms; 2415 reloc.r_type = R_POS; 2416 reloc.r_size = 63; 2417 bfd_coff_swap_reloc_out (abfd, &reloc, &reloc_ext[0]); 2418 2419 filehdr.f_nsyms += 2; 2420 data_scnhdr.s_nreloc += 1; 2421 } 2422 2423 /* Finit. */ 2424 if (finisz) 2425 { 2426 memset (&syment, 0, sizeof (struct internal_syment)); 2427 memset (&auxent, 0, sizeof (union internal_auxent)); 2428 2429 syment._n._n_n._n_offset = st_tmp - string_table; 2430 memcpy (st_tmp, fini, finisz); 2431 st_tmp += finisz; 2432 2433 syment.n_sclass = C_EXT; 2434 syment.n_numaux = 1; 2435 bfd_coff_swap_sym_out (abfd, &syment, 2436 &syment_ext[filehdr.f_nsyms * SYMESZ]); 2437 bfd_coff_swap_aux_out (abfd, &auxent, syment.n_type, syment.n_sclass, 0, 2438 syment.n_numaux, 2439 &syment_ext[(filehdr.f_nsyms + 1) * SYMESZ]); 2440 2441 /* Reloc. */ 2442 memset (&reloc, 0, sizeof (struct internal_reloc)); 2443 reloc.r_vaddr = 0x0038; 2444 reloc.r_symndx = filehdr.f_nsyms; 2445 reloc.r_type = R_POS; 2446 reloc.r_size = 63; 2447 bfd_coff_swap_reloc_out (abfd, &reloc, 2448 &reloc_ext[data_scnhdr.s_nreloc * RELSZ]); 2449 2450 filehdr.f_nsyms += 2; 2451 data_scnhdr.s_nreloc += 1; 2452 } 2453 2454 if (rtld) 2455 { 2456 memset (&syment, 0, sizeof (struct internal_syment)); 2457 memset (&auxent, 0, sizeof (union internal_auxent)); 2458 2459 syment._n._n_n._n_offset = st_tmp - string_table; 2460 memcpy (st_tmp, rtld_name, strlen (rtld_name)); 2461 st_tmp += strlen (rtld_name) + 1; 2462 2463 syment.n_sclass = C_EXT; 2464 syment.n_numaux = 1; 2465 bfd_coff_swap_sym_out (abfd, &syment, 2466 &syment_ext[filehdr.f_nsyms * SYMESZ]); 2467 bfd_coff_swap_aux_out (abfd, &auxent, syment.n_type, syment.n_sclass, 0, 2468 syment.n_numaux, 2469 &syment_ext[(filehdr.f_nsyms + 1) * SYMESZ]); 2470 2471 /* Reloc. */ 2472 memset (&reloc, 0, sizeof (struct internal_reloc)); 2473 reloc.r_vaddr = 0x0000; 2474 reloc.r_symndx = filehdr.f_nsyms; 2475 reloc.r_type = R_POS; 2476 reloc.r_size = 63; 2477 bfd_coff_swap_reloc_out (abfd, &reloc, 2478 &reloc_ext[data_scnhdr.s_nreloc * RELSZ]); 2479 2480 filehdr.f_nsyms += 2; 2481 data_scnhdr.s_nreloc += 1; 2482 2483 bss_scnhdr.s_size = 0; 2484 } 2485 2486 data_scnhdr.s_relptr = data_scnhdr.s_scnptr + data_buffer_size; 2487 filehdr.f_symptr = data_scnhdr.s_relptr + data_scnhdr.s_nreloc * RELSZ; 2488 2489 bfd_coff_swap_filehdr_out (abfd, &filehdr, filehdr_ext); 2490 bfd_bwrite (filehdr_ext, FILHSZ, abfd); 2491 bfd_coff_swap_scnhdr_out (abfd, &text_scnhdr, &scnhdr_ext[SCNHSZ * 0]); 2492 bfd_coff_swap_scnhdr_out (abfd, &data_scnhdr, &scnhdr_ext[SCNHSZ * 1]); 2493 bfd_coff_swap_scnhdr_out (abfd, &bss_scnhdr, &scnhdr_ext[SCNHSZ * 2]); 2494 bfd_bwrite (scnhdr_ext, 3 * SCNHSZ, abfd); 2495 bfd_bwrite (data_buffer, data_buffer_size, abfd); 2496 bfd_bwrite (reloc_ext, data_scnhdr.s_nreloc * RELSZ, abfd); 2497 bfd_bwrite (syment_ext, filehdr.f_nsyms * SYMESZ, abfd); 2498 bfd_bwrite (string_table, string_table_size, abfd); 2499 2500 free (data_buffer); 2501 data_buffer = NULL; 2502 2503 return TRUE; 2504} 2505 2506/* The typical dynamic reloc. */ 2507 2508static reloc_howto_type xcoff64_dynamic_reloc = 2509HOWTO (0, /* type */ 2510 0, /* rightshift */ 2511 4, /* size (0 = byte, 1 = short, 2 = long) */ 2512 64, /* bitsize */ 2513 FALSE, /* pc_relative */ 2514 0, /* bitpos */ 2515 complain_overflow_bitfield, /* complain_on_overflow */ 2516 0, /* special_function */ 2517 "R_POS", /* name */ 2518 TRUE, /* partial_inplace */ 2519 MINUS_ONE, /* src_mask */ 2520 MINUS_ONE, /* dst_mask */ 2521 FALSE); /* pcrel_offset */ 2522 2523static unsigned long xcoff64_glink_code[10] = 2524{ 2525 0xe9820000, /* ld r12,0(r2) */ 2526 0xf8410028, /* std r2,40(r1) */ 2527 0xe80c0000, /* ld r0,0(r12) */ 2528 0xe84c0008, /* ld r0,8(r12) */ 2529 0x7c0903a6, /* mtctr r0 */ 2530 0x4e800420, /* bctr */ 2531 0x00000000, /* start of traceback table */ 2532 0x000ca000, /* traceback table */ 2533 0x00000000, /* traceback table */ 2534 0x00000018, /* ??? */ 2535}; 2536 2537static const struct xcoff_backend_data_rec bfd_xcoff_backend_data = 2538 { 2539 { /* COFF backend, defined in libcoff.h. */ 2540 _bfd_xcoff64_swap_aux_in, 2541 _bfd_xcoff64_swap_sym_in, 2542 _bfd_xcoff64_swap_lineno_in, 2543 _bfd_xcoff64_swap_aux_out, 2544 _bfd_xcoff64_swap_sym_out, 2545 _bfd_xcoff64_swap_lineno_out, 2546 xcoff64_swap_reloc_out, 2547 coff_swap_filehdr_out, 2548 coff_swap_aouthdr_out, 2549 coff_swap_scnhdr_out, 2550 FILHSZ, 2551 AOUTSZ, 2552 SCNHSZ, 2553 SYMESZ, 2554 AUXESZ, 2555 RELSZ, 2556 LINESZ, 2557 FILNMLEN, 2558 TRUE, /* _bfd_coff_long_filenames */ 2559 FALSE, /* _bfd_coff_long_section_names */ 2560 3, /* _bfd_coff_default_section_alignment_power */ 2561 TRUE, /* _bfd_coff_force_symnames_in_strings */ 2562 4, /* _bfd_coff_debug_string_prefix_length */ 2563 coff_swap_filehdr_in, 2564 coff_swap_aouthdr_in, 2565 coff_swap_scnhdr_in, 2566 xcoff64_swap_reloc_in, 2567 xcoff64_bad_format_hook, 2568 coff_set_arch_mach_hook, 2569 coff_mkobject_hook, 2570 styp_to_sec_flags, 2571 coff_set_alignment_hook, 2572 coff_slurp_symbol_table, 2573 symname_in_debug_hook, 2574 coff_pointerize_aux_hook, 2575 coff_print_aux, 2576 dummy_reloc16_extra_cases, 2577 dummy_reloc16_estimate, 2578 NULL, /* bfd_coff_sym_is_global */ 2579 coff_compute_section_file_positions, 2580 NULL, /* _bfd_coff_start_final_link */ 2581 xcoff64_ppc_relocate_section, 2582 coff_rtype_to_howto, 2583 NULL, /* _bfd_coff_adjust_symndx */ 2584 _bfd_generic_link_add_one_symbol, 2585 coff_link_output_has_begun, 2586 coff_final_link_postscript 2587 }, 2588 2589 0x01EF, /* magic number */ 2590 bfd_arch_powerpc, 2591 bfd_mach_ppc_620, 2592 2593 /* Function pointers to xcoff specific swap routines. */ 2594 xcoff64_swap_ldhdr_in, 2595 xcoff64_swap_ldhdr_out, 2596 xcoff64_swap_ldsym_in, 2597 xcoff64_swap_ldsym_out, 2598 xcoff64_swap_ldrel_in, 2599 xcoff64_swap_ldrel_out, 2600 2601 /* Sizes. */ 2602 LDHDRSZ, 2603 LDSYMSZ, 2604 LDRELSZ, 2605 24, /* _xcoff_function_descriptor_size */ 2606 0, /* _xcoff_small_aout_header_size */ 2607 2608 /* Versions. */ 2609 2, /* _xcoff_ldhdr_version */ 2610 2611 _bfd_xcoff64_put_symbol_name, 2612 _bfd_xcoff64_put_ldsymbol_name, 2613 &xcoff64_dynamic_reloc, 2614 xcoff64_create_csect_from_smclas, 2615 2616 /* Lineno and reloc count overflow. */ 2617 xcoff64_is_lineno_count_overflow, 2618 xcoff64_is_reloc_count_overflow, 2619 2620 xcoff64_loader_symbol_offset, 2621 xcoff64_loader_reloc_offset, 2622 2623 /* glink. */ 2624 &xcoff64_glink_code[0], 2625 40, /* _xcoff_glink_size */ 2626 2627 /* rtinit. */ 2628 88, /* _xcoff_rtinit_size */ 2629 xcoff64_generate_rtinit, 2630 }; 2631 2632/* The transfer vector that leads the outside world to all of the above. */ 2633const bfd_target rs6000coff64_vec = 2634 { 2635 "aixcoff64-rs6000", 2636 bfd_target_xcoff_flavour, 2637 BFD_ENDIAN_BIG, /* data byte order is big */ 2638 BFD_ENDIAN_BIG, /* header byte order is big */ 2639 2640 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | DYNAMIC 2641 | HAS_SYMS | HAS_LOCALS | WP_TEXT), 2642 2643 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA, 2644 0, /* leading char */ 2645 '/', /* ar_pad_char */ 2646 15, /* ar_max_namelen */ 2647 2648 /* data */ 2649 bfd_getb64, 2650 bfd_getb_signed_64, 2651 bfd_putb64, 2652 bfd_getb32, 2653 bfd_getb_signed_32, 2654 bfd_putb32, 2655 bfd_getb16, 2656 bfd_getb_signed_16, 2657 bfd_putb16, 2658 2659 /* hdrs */ 2660 bfd_getb64, 2661 bfd_getb_signed_64, 2662 bfd_putb64, 2663 bfd_getb32, 2664 bfd_getb_signed_32, 2665 bfd_putb32, 2666 bfd_getb16, 2667 bfd_getb_signed_16, 2668 bfd_putb16, 2669 2670 { /* bfd_check_format */ 2671 _bfd_dummy_target, 2672 coff_object_p, 2673 xcoff64_archive_p, 2674 CORE_FILE_P 2675 }, 2676 2677 { /* bfd_set_format */ 2678 bfd_false, 2679 coff_mkobject, 2680 _bfd_generic_mkarchive, 2681 bfd_false 2682 }, 2683 2684 {/* bfd_write_contents */ 2685 bfd_false, 2686 xcoff64_write_object_contents, 2687 _bfd_xcoff_write_archive_contents, 2688 bfd_false 2689 }, 2690 2691 /* Generic */ 2692 bfd_true, 2693 bfd_true, 2694 coff_new_section_hook, 2695 _bfd_generic_get_section_contents, 2696 _bfd_generic_get_section_contents_in_window, 2697 2698 /* Copy */ 2699 _bfd_xcoff_copy_private_bfd_data, 2700 ((bfd_boolean (*) (bfd *, bfd *)) bfd_true), 2701 _bfd_generic_init_private_section_data, 2702 ((bfd_boolean (*) (bfd *, asection *, bfd *, asection *)) bfd_true), 2703 ((bfd_boolean (*) (bfd *, asymbol *, bfd *, asymbol *)) bfd_true), 2704 ((bfd_boolean (*) (bfd *, bfd *)) bfd_true), 2705 ((bfd_boolean (*) (bfd *, flagword)) bfd_true), 2706 ((bfd_boolean (*) (bfd *, void * )) bfd_true), 2707 2708 /* Core */ 2709 coff_core_file_failing_command, 2710 coff_core_file_failing_signal, 2711 coff_core_file_matches_executable_p, 2712 2713 /* Archive */ 2714 xcoff64_slurp_armap, 2715 bfd_false, 2716 ((bfd_boolean (*) (bfd *, char **, bfd_size_type *, const char **)) bfd_false), 2717 bfd_dont_truncate_arname, 2718 _bfd_xcoff_write_armap, 2719 _bfd_xcoff_read_ar_hdr, 2720 xcoff64_openr_next_archived_file, 2721 _bfd_generic_get_elt_at_index, 2722 _bfd_xcoff_stat_arch_elt, 2723 bfd_true, 2724 2725 /* Symbols */ 2726 coff_get_symtab_upper_bound, 2727 coff_canonicalize_symtab, 2728 coff_make_empty_symbol, 2729 coff_print_symbol, 2730 coff_get_symbol_info, 2731 _bfd_xcoff_is_local_label_name, 2732 coff_bfd_is_target_special_symbol, 2733 coff_get_lineno, 2734 coff_find_nearest_line, 2735 _bfd_generic_find_line, 2736 coff_find_inliner_info, 2737 coff_bfd_make_debug_symbol, 2738 _bfd_generic_read_minisymbols, 2739 _bfd_generic_minisymbol_to_symbol, 2740 2741 /* Reloc */ 2742 coff_get_reloc_upper_bound, 2743 coff_canonicalize_reloc, 2744 xcoff64_reloc_type_lookup, 2745 xcoff64_reloc_name_lookup, 2746 2747 /* Write */ 2748 coff_set_arch_mach, 2749 coff_set_section_contents, 2750 2751 /* Link */ 2752 xcoff64_sizeof_headers, 2753 bfd_generic_get_relocated_section_contents, 2754 bfd_generic_relax_section, 2755 _bfd_xcoff_bfd_link_hash_table_create, 2756 _bfd_generic_link_hash_table_free, 2757 _bfd_xcoff_bfd_link_add_symbols, 2758 _bfd_generic_link_just_syms, 2759 _bfd_xcoff_bfd_final_link, 2760 _bfd_generic_link_split_section, 2761 bfd_generic_gc_sections, 2762 bfd_generic_merge_sections, 2763 bfd_generic_is_group_section, 2764 bfd_generic_discard_group, 2765 _bfd_generic_section_already_linked, 2766 2767 /* Dynamic */ 2768 _bfd_xcoff_get_dynamic_symtab_upper_bound, 2769 _bfd_xcoff_canonicalize_dynamic_symtab, 2770 _bfd_nodynamic_get_synthetic_symtab, 2771 _bfd_xcoff_get_dynamic_reloc_upper_bound, 2772 _bfd_xcoff_canonicalize_dynamic_reloc, 2773 2774 /* Opposite endian version, none exists */ 2775 NULL, 2776 2777 (void *) &bfd_xcoff_backend_data, 2778 }; 2779 2780extern const bfd_target *xcoff64_core_p 2781 PARAMS ((bfd *)); 2782extern bfd_boolean xcoff64_core_file_matches_executable_p 2783 PARAMS ((bfd *, bfd *)); 2784extern char *xcoff64_core_file_failing_command 2785 PARAMS ((bfd *)); 2786extern int xcoff64_core_file_failing_signal 2787 PARAMS ((bfd *)); 2788 2789/* AIX 5 */ 2790static const struct xcoff_backend_data_rec bfd_xcoff_aix5_backend_data = 2791 { 2792 { /* COFF backend, defined in libcoff.h. */ 2793 _bfd_xcoff64_swap_aux_in, 2794 _bfd_xcoff64_swap_sym_in, 2795 _bfd_xcoff64_swap_lineno_in, 2796 _bfd_xcoff64_swap_aux_out, 2797 _bfd_xcoff64_swap_sym_out, 2798 _bfd_xcoff64_swap_lineno_out, 2799 xcoff64_swap_reloc_out, 2800 coff_swap_filehdr_out, 2801 coff_swap_aouthdr_out, 2802 coff_swap_scnhdr_out, 2803 FILHSZ, 2804 AOUTSZ, 2805 SCNHSZ, 2806 SYMESZ, 2807 AUXESZ, 2808 RELSZ, 2809 LINESZ, 2810 FILNMLEN, 2811 TRUE, /* _bfd_coff_long_filenames */ 2812 FALSE, /* _bfd_coff_long_section_names */ 2813 3, /* _bfd_coff_default_section_alignment_power */ 2814 TRUE, /* _bfd_coff_force_symnames_in_strings */ 2815 4, /* _bfd_coff_debug_string_prefix_length */ 2816 coff_swap_filehdr_in, 2817 coff_swap_aouthdr_in, 2818 coff_swap_scnhdr_in, 2819 xcoff64_swap_reloc_in, 2820 xcoff64_bad_format_hook, 2821 coff_set_arch_mach_hook, 2822 coff_mkobject_hook, 2823 styp_to_sec_flags, 2824 coff_set_alignment_hook, 2825 coff_slurp_symbol_table, 2826 symname_in_debug_hook, 2827 coff_pointerize_aux_hook, 2828 coff_print_aux, 2829 dummy_reloc16_extra_cases, 2830 dummy_reloc16_estimate, 2831 NULL, /* bfd_coff_sym_is_global */ 2832 coff_compute_section_file_positions, 2833 NULL, /* _bfd_coff_start_final_link */ 2834 xcoff64_ppc_relocate_section, 2835 coff_rtype_to_howto, 2836 NULL, /* _bfd_coff_adjust_symndx */ 2837 _bfd_generic_link_add_one_symbol, 2838 coff_link_output_has_begun, 2839 coff_final_link_postscript 2840 }, 2841 2842 U64_TOCMAGIC, /* magic number */ 2843 bfd_arch_powerpc, 2844 bfd_mach_ppc_620, 2845 2846 /* Function pointers to xcoff specific swap routines. */ 2847 xcoff64_swap_ldhdr_in, 2848 xcoff64_swap_ldhdr_out, 2849 xcoff64_swap_ldsym_in, 2850 xcoff64_swap_ldsym_out, 2851 xcoff64_swap_ldrel_in, 2852 xcoff64_swap_ldrel_out, 2853 2854 /* Sizes. */ 2855 LDHDRSZ, 2856 LDSYMSZ, 2857 LDRELSZ, 2858 24, /* _xcoff_function_descriptor_size */ 2859 0, /* _xcoff_small_aout_header_size */ 2860 /* Versions. */ 2861 2, /* _xcoff_ldhdr_version */ 2862 2863 _bfd_xcoff64_put_symbol_name, 2864 _bfd_xcoff64_put_ldsymbol_name, 2865 &xcoff64_dynamic_reloc, 2866 xcoff64_create_csect_from_smclas, 2867 2868 /* Lineno and reloc count overflow. */ 2869 xcoff64_is_lineno_count_overflow, 2870 xcoff64_is_reloc_count_overflow, 2871 2872 xcoff64_loader_symbol_offset, 2873 xcoff64_loader_reloc_offset, 2874 2875 /* glink. */ 2876 &xcoff64_glink_code[0], 2877 40, /* _xcoff_glink_size */ 2878 2879 /* rtinit. */ 2880 88, /* _xcoff_rtinit_size */ 2881 xcoff64_generate_rtinit, 2882 }; 2883 2884/* The transfer vector that leads the outside world to all of the above. */ 2885const bfd_target aix5coff64_vec = 2886 { 2887 "aix5coff64-rs6000", 2888 bfd_target_xcoff_flavour, 2889 BFD_ENDIAN_BIG, /* data byte order is big */ 2890 BFD_ENDIAN_BIG, /* header byte order is big */ 2891 2892 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | DYNAMIC 2893 | HAS_SYMS | HAS_LOCALS | WP_TEXT), 2894 2895 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA, 2896 0, /* leading char */ 2897 '/', /* ar_pad_char */ 2898 15, /* ar_max_namelen */ 2899 2900 /* data */ 2901 bfd_getb64, 2902 bfd_getb_signed_64, 2903 bfd_putb64, 2904 bfd_getb32, 2905 bfd_getb_signed_32, 2906 bfd_putb32, 2907 bfd_getb16, 2908 bfd_getb_signed_16, 2909 bfd_putb16, 2910 2911 /* hdrs */ 2912 bfd_getb64, 2913 bfd_getb_signed_64, 2914 bfd_putb64, 2915 bfd_getb32, 2916 bfd_getb_signed_32, 2917 bfd_putb32, 2918 bfd_getb16, 2919 bfd_getb_signed_16, 2920 bfd_putb16, 2921 2922 { /* bfd_check_format */ 2923 _bfd_dummy_target, 2924 coff_object_p, 2925 xcoff64_archive_p, 2926 xcoff64_core_p 2927 }, 2928 2929 { /* bfd_set_format */ 2930 bfd_false, 2931 coff_mkobject, 2932 _bfd_generic_mkarchive, 2933 bfd_false 2934 }, 2935 2936 {/* bfd_write_contents */ 2937 bfd_false, 2938 xcoff64_write_object_contents, 2939 _bfd_xcoff_write_archive_contents, 2940 bfd_false 2941 }, 2942 2943 /* Generic */ 2944 bfd_true, 2945 bfd_true, 2946 coff_new_section_hook, 2947 _bfd_generic_get_section_contents, 2948 _bfd_generic_get_section_contents_in_window, 2949 2950 /* Copy */ 2951 _bfd_xcoff_copy_private_bfd_data, 2952 ((bfd_boolean (*) (bfd *, bfd *)) bfd_true), 2953 _bfd_generic_init_private_section_data, 2954 ((bfd_boolean (*) (bfd *, asection *, bfd *, asection *)) bfd_true), 2955 ((bfd_boolean (*) (bfd *, asymbol *, bfd *, asymbol *)) bfd_true), 2956 ((bfd_boolean (*) (bfd *, bfd *)) bfd_true), 2957 ((bfd_boolean (*) (bfd *, flagword)) bfd_true), 2958 ((bfd_boolean (*) (bfd *, void * )) bfd_true), 2959 2960 /* Core */ 2961 xcoff64_core_file_failing_command, 2962 xcoff64_core_file_failing_signal, 2963 xcoff64_core_file_matches_executable_p, 2964 2965 /* Archive */ 2966 xcoff64_slurp_armap, 2967 bfd_false, 2968 ((bfd_boolean (*) (bfd *, char **, bfd_size_type *, const char **)) bfd_false), 2969 bfd_dont_truncate_arname, 2970 _bfd_xcoff_write_armap, 2971 _bfd_xcoff_read_ar_hdr, 2972 xcoff64_openr_next_archived_file, 2973 _bfd_generic_get_elt_at_index, 2974 _bfd_xcoff_stat_arch_elt, 2975 bfd_true, 2976 2977 /* Symbols */ 2978 coff_get_symtab_upper_bound, 2979 coff_canonicalize_symtab, 2980 coff_make_empty_symbol, 2981 coff_print_symbol, 2982 coff_get_symbol_info, 2983 _bfd_xcoff_is_local_label_name, 2984 coff_bfd_is_target_special_symbol, 2985 coff_get_lineno, 2986 coff_find_nearest_line, 2987 _bfd_generic_find_line, 2988 coff_find_inliner_info, 2989 coff_bfd_make_debug_symbol, 2990 _bfd_generic_read_minisymbols, 2991 _bfd_generic_minisymbol_to_symbol, 2992 2993 /* Reloc */ 2994 coff_get_reloc_upper_bound, 2995 coff_canonicalize_reloc, 2996 xcoff64_reloc_type_lookup, 2997 xcoff64_reloc_name_lookup, 2998 2999 /* Write */ 3000 coff_set_arch_mach, 3001 coff_set_section_contents, 3002 3003 /* Link */ 3004 xcoff64_sizeof_headers, 3005 bfd_generic_get_relocated_section_contents, 3006 bfd_generic_relax_section, 3007 _bfd_xcoff_bfd_link_hash_table_create, 3008 _bfd_generic_link_hash_table_free, 3009 _bfd_xcoff_bfd_link_add_symbols, 3010 _bfd_generic_link_just_syms, 3011 _bfd_xcoff_bfd_final_link, 3012 _bfd_generic_link_split_section, 3013 bfd_generic_gc_sections, 3014 bfd_generic_merge_sections, 3015 bfd_generic_is_group_section, 3016 bfd_generic_discard_group, 3017 _bfd_generic_section_already_linked, 3018 3019 /* Dynamic */ 3020 _bfd_xcoff_get_dynamic_symtab_upper_bound, 3021 _bfd_xcoff_canonicalize_dynamic_symtab, 3022 _bfd_nodynamic_get_synthetic_symtab, 3023 _bfd_xcoff_get_dynamic_reloc_upper_bound, 3024 _bfd_xcoff_canonicalize_dynamic_reloc, 3025 3026 /* Opposite endian version, none exists. */ 3027 NULL, 3028 3029 (void *) & bfd_xcoff_aix5_backend_data, 3030 }; 3031