| 1 | /* BFD back-end for IBM RS/6000 "XCOFF64" files. |
| 2 | Copyright (C) 2000-2015 Free Software Foundation, Inc. |
| 3 | Written Clinton Popetz. |
| 4 | Contributed by Cygnus Support. |
| 5 | |
| 6 | This file is part of BFD, the Binary File Descriptor library. |
| 7 | |
| 8 | This program is free software; you can redistribute it and/or modify |
| 9 | it under the terms of the GNU General Public License as published by |
| 10 | the Free Software Foundation; either version 3 of the License, or |
| 11 | (at your option) any later version. |
| 12 | |
| 13 | This program is distributed in the hope that it will be useful, |
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | GNU General Public License for more details. |
| 17 | |
| 18 | You should have received a copy of the GNU General Public License |
| 19 | along with this program; if not, write to the Free Software |
| 20 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| 21 | 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 | |
| 85 | static void _bfd_xcoff64_swap_lineno_in |
| 86 | (bfd *, void *, void *); |
| 87 | static unsigned int _bfd_xcoff64_swap_lineno_out |
| 88 | (bfd *, void *, void *); |
| 89 | static bfd_boolean _bfd_xcoff64_put_symbol_name |
| 90 | (bfd *, struct bfd_strtab_hash *, struct internal_syment *, const char *); |
| 91 | static bfd_boolean _bfd_xcoff64_put_ldsymbol_name |
| 92 | (bfd *, struct xcoff_loader_info *, struct internal_ldsym *, const char *); |
| 93 | static void _bfd_xcoff64_swap_sym_in |
| 94 | (bfd *, void *, void *); |
| 95 | static unsigned int _bfd_xcoff64_swap_sym_out |
| 96 | (bfd *, void *, void *); |
| 97 | static void _bfd_xcoff64_swap_aux_in |
| 98 | (bfd *, void *, int, int, int, int, void *); |
| 99 | static unsigned int _bfd_xcoff64_swap_aux_out |
| 100 | (bfd *, void *, int, int, int, int, void *); |
| 101 | static void xcoff64_swap_reloc_in |
| 102 | (bfd *, void *, void *); |
| 103 | static unsigned int xcoff64_swap_reloc_out |
| 104 | (bfd *, void *, void *); |
| 105 | extern bfd_boolean _bfd_xcoff_mkobject |
| 106 | (bfd *); |
| 107 | extern bfd_boolean _bfd_xcoff_copy_private_bfd_data |
| 108 | (bfd *, bfd *); |
| 109 | extern bfd_boolean _bfd_xcoff_is_local_label_name |
| 110 | (bfd *, const char *); |
| 111 | extern void xcoff64_rtype2howto |
| 112 | (arelent *, struct internal_reloc *); |
| 113 | extern reloc_howto_type * xcoff64_reloc_type_lookup |
| 114 | (bfd *, bfd_reloc_code_real_type); |
| 115 | extern bfd_boolean _bfd_xcoff_slurp_armap |
| 116 | (bfd *); |
| 117 | extern void *_bfd_xcoff_read_ar_hdr |
| 118 | (bfd *); |
| 119 | extern bfd *_bfd_xcoff_openr_next_archived_file |
| 120 | (bfd *, bfd *); |
| 121 | extern int _bfd_xcoff_stat_arch_elt |
| 122 | (bfd *, struct stat *); |
| 123 | extern bfd_boolean _bfd_xcoff_write_armap |
| 124 | (bfd *, unsigned int, struct orl *, unsigned int, int); |
| 125 | extern bfd_boolean _bfd_xcoff_write_archive_contents |
| 126 | (bfd *); |
| 127 | extern int _bfd_xcoff_sizeof_headers |
| 128 | (bfd *, struct bfd_link_info *); |
| 129 | extern void _bfd_xcoff_swap_sym_in |
| 130 | (bfd *, void *, void *); |
| 131 | extern unsigned int _bfd_xcoff_swap_sym_out |
| 132 | (bfd *, void *, void *); |
| 133 | extern void _bfd_xcoff_swap_aux_in |
| 134 | (bfd *, void *, int, int, int, int, void *); |
| 135 | extern unsigned int _bfd_xcoff_swap_aux_out |
| 136 | (bfd *, void *, int, int, int, int, void *); |
| 137 | static void xcoff64_swap_ldhdr_in |
| 138 | (bfd *, const void *, struct internal_ldhdr *); |
| 139 | static void xcoff64_swap_ldhdr_out |
| 140 | (bfd *, const struct internal_ldhdr *, void *d); |
| 141 | static void xcoff64_swap_ldsym_in |
| 142 | (bfd *, const void *, struct internal_ldsym *); |
| 143 | static void xcoff64_swap_ldsym_out |
| 144 | (bfd *, const struct internal_ldsym *, void *d); |
| 145 | static void xcoff64_swap_ldrel_in |
| 146 | (bfd *, const void *, struct internal_ldrel *); |
| 147 | static void xcoff64_swap_ldrel_out |
| 148 | (bfd *, const struct internal_ldrel *, void *d); |
| 149 | static bfd_boolean xcoff64_write_object_contents |
| 150 | (bfd *); |
| 151 | static bfd_boolean xcoff64_ppc_relocate_section |
| 152 | (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, |
| 153 | struct internal_reloc *, struct internal_syment *, |
| 154 | asection **); |
| 155 | static bfd_boolean xcoff64_slurp_armap |
| 156 | (bfd *); |
| 157 | static const bfd_target *xcoff64_archive_p |
| 158 | (bfd *); |
| 159 | static bfd *xcoff64_openr_next_archived_file |
| 160 | (bfd *, bfd *); |
| 161 | static int xcoff64_sizeof_headers |
| 162 | (bfd *, struct bfd_link_info *); |
| 163 | static asection *xcoff64_create_csect_from_smclas |
| 164 | (bfd *, union internal_auxent *, const char *); |
| 165 | static bfd_boolean xcoff64_is_lineno_count_overflow |
| 166 | (bfd *, bfd_vma); |
| 167 | static bfd_boolean xcoff64_is_reloc_count_overflow |
| 168 | (bfd *, bfd_vma); |
| 169 | static bfd_vma xcoff64_loader_symbol_offset |
| 170 | (bfd *, struct internal_ldhdr *); |
| 171 | static bfd_vma xcoff64_loader_reloc_offset |
| 172 | (bfd *, struct internal_ldhdr *); |
| 173 | static bfd_boolean xcoff64_generate_rtinit |
| 174 | (bfd *, const char *, const char *, bfd_boolean); |
| 175 | static bfd_boolean xcoff64_bad_format_hook |
| 176 | (bfd *, void *); |
| 177 | |
| 178 | /* Relocation functions */ |
| 179 | static bfd_boolean xcoff64_reloc_type_br |
| 180 | (XCOFF_RELOC_FUNCTION_ARGS); |
| 181 | |
| 182 | bfd_boolean (*xcoff64_calculate_relocation[XCOFF_MAX_CALCULATE_RELOCATION]) |
| 183 | (XCOFF_RELOC_FUNCTION_ARGS) = |
| 184 | { |
| 185 | xcoff_reloc_type_pos, /* R_POS (0x00) */ |
| 186 | xcoff_reloc_type_neg, /* R_NEG (0x01) */ |
| 187 | xcoff_reloc_type_rel, /* R_REL (0x02) */ |
| 188 | xcoff_reloc_type_toc, /* R_TOC (0x03) */ |
| 189 | xcoff_reloc_type_fail, /* R_RTB (0x04) */ |
| 190 | xcoff_reloc_type_toc, /* R_GL (0x05) */ |
| 191 | xcoff_reloc_type_toc, /* R_TCL (0x06) */ |
| 192 | xcoff_reloc_type_fail, /* (0x07) */ |
| 193 | xcoff_reloc_type_ba, /* R_BA (0x08) */ |
| 194 | xcoff_reloc_type_fail, /* (0x09) */ |
| 195 | xcoff64_reloc_type_br, /* R_BR (0x0a) */ |
| 196 | xcoff_reloc_type_fail, /* (0x0b) */ |
| 197 | xcoff_reloc_type_pos, /* R_RL (0x0c) */ |
| 198 | xcoff_reloc_type_pos, /* R_RLA (0x0d) */ |
| 199 | xcoff_reloc_type_fail, /* (0x0e) */ |
| 200 | xcoff_reloc_type_noop, /* R_REF (0x0f) */ |
| 201 | xcoff_reloc_type_fail, /* (0x10) */ |
| 202 | xcoff_reloc_type_fail, /* (0x11) */ |
| 203 | xcoff_reloc_type_toc, /* R_TRL (0x12) */ |
| 204 | xcoff_reloc_type_toc, /* R_TRLA (0x13) */ |
| 205 | xcoff_reloc_type_fail, /* R_RRTBI (0x14) */ |
| 206 | xcoff_reloc_type_fail, /* R_RRTBA (0x15) */ |
| 207 | xcoff_reloc_type_ba, /* R_CAI (0x16) */ |
| 208 | xcoff_reloc_type_crel, /* R_CREL (0x17) */ |
| 209 | xcoff_reloc_type_ba, /* R_RBA (0x18) */ |
| 210 | xcoff_reloc_type_ba, /* R_RBAC (0x19) */ |
| 211 | xcoff64_reloc_type_br, /* R_RBR (0x1a) */ |
| 212 | xcoff_reloc_type_ba, /* R_RBRC (0x1b) */ |
| 213 | }; |
| 214 | |
| 215 | /* coffcode.h needs these to be defined. */ |
| 216 | /* Internalcoff.h and coffcode.h modify themselves based on these flags. */ |
| 217 | #define XCOFF64 |
| 218 | #define RS6000COFF_C 1 |
| 219 | |
| 220 | #define SELECT_RELOC(internal, howto) \ |
| 221 | { \ |
| 222 | internal.r_type = howto->type; \ |
| 223 | internal.r_size = \ |
| 224 | ((howto->complain_on_overflow == complain_overflow_signed \ |
| 225 | ? 0x80 \ |
| 226 | : 0) \ |
| 227 | | (howto->bitsize - 1)); \ |
| 228 | } |
| 229 | |
| 230 | #define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (3) |
| 231 | #define COFF_LONG_FILENAMES |
| 232 | #define NO_COFF_SYMBOLS |
| 233 | #define RTYPE2HOWTO(cache_ptr, dst) xcoff64_rtype2howto (cache_ptr, dst) |
| 234 | #define coff_mkobject _bfd_xcoff_mkobject |
| 235 | #define coff_bfd_copy_private_bfd_data _bfd_xcoff_copy_private_bfd_data |
| 236 | #define coff_bfd_is_local_label_name _bfd_xcoff_is_local_label_name |
| 237 | #define coff_bfd_reloc_type_lookup xcoff64_reloc_type_lookup |
| 238 | #define coff_bfd_reloc_name_lookup xcoff64_reloc_name_lookup |
| 239 | #ifdef AIX_CORE |
| 240 | extern const bfd_target * rs6000coff_core_p |
| 241 | (bfd *abfd); |
| 242 | extern bfd_boolean rs6000coff_core_file_matches_executable_p |
| 243 | (bfd *cbfd, bfd *ebfd); |
| 244 | extern char *rs6000coff_core_file_failing_command |
| 245 | (bfd *abfd); |
| 246 | extern int rs6000coff_core_file_failing_signal |
| 247 | (bfd *abfd); |
| 248 | #define CORE_FILE_P rs6000coff_core_p |
| 249 | #define coff_core_file_failing_command \ |
| 250 | rs6000coff_core_file_failing_command |
| 251 | #define coff_core_file_failing_signal \ |
| 252 | rs6000coff_core_file_failing_signal |
| 253 | #define coff_core_file_matches_executable_p \ |
| 254 | rs6000coff_core_file_matches_executable_p |
| 255 | #define coff_core_file_pid \ |
| 256 | _bfd_nocore_core_file_pid |
| 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 | #define coff_core_file_pid \ |
| 266 | _bfd_nocore_core_file_pid |
| 267 | #endif |
| 268 | #define coff_SWAP_sym_in _bfd_xcoff64_swap_sym_in |
| 269 | #define coff_SWAP_sym_out _bfd_xcoff64_swap_sym_out |
| 270 | #define coff_SWAP_aux_in _bfd_xcoff64_swap_aux_in |
| 271 | #define coff_SWAP_aux_out _bfd_xcoff64_swap_aux_out |
| 272 | #define coff_swap_reloc_in xcoff64_swap_reloc_in |
| 273 | #define coff_swap_reloc_out xcoff64_swap_reloc_out |
| 274 | #define NO_COFF_RELOCS |
| 275 | |
| 276 | #ifndef bfd_pe_print_pdata |
| 277 | #define bfd_pe_print_pdata NULL |
| 278 | #endif |
| 279 | |
| 280 | #include <stdint.h> |
| 281 | #include "coffcode.h" |
| 282 | |
| 283 | /* For XCOFF64, the effective width of symndx changes depending on |
| 284 | whether we are the first entry. Sigh. */ |
| 285 | static void |
| 286 | _bfd_xcoff64_swap_lineno_in (bfd *abfd, void *ext1, void *in1) |
| 287 | { |
| 288 | LINENO *ext = (LINENO *) ext1; |
| 289 | struct internal_lineno *in = (struct internal_lineno *) in1; |
| 290 | |
| 291 | in->l_lnno = H_GET_32 (abfd, (ext->l_lnno)); |
| 292 | if (in->l_lnno == 0) |
| 293 | in->l_addr.l_symndx = H_GET_32 (abfd, ext->l_addr.l_symndx); |
| 294 | else |
| 295 | in->l_addr.l_paddr = H_GET_64 (abfd, ext->l_addr.l_paddr); |
| 296 | } |
| 297 | |
| 298 | static unsigned int |
| 299 | _bfd_xcoff64_swap_lineno_out (bfd *abfd, void *inp, void *outp) |
| 300 | { |
| 301 | struct internal_lineno *in = (struct internal_lineno *) inp; |
| 302 | struct external_lineno *ext = (struct external_lineno *) outp; |
| 303 | |
| 304 | H_PUT_32 (abfd, in->l_addr.l_symndx, ext->l_addr.l_symndx); |
| 305 | H_PUT_32 (abfd, in->l_lnno, (ext->l_lnno)); |
| 306 | |
| 307 | if (in->l_lnno == 0) |
| 308 | H_PUT_32 (abfd, in->l_addr.l_symndx, ext->l_addr.l_symndx); |
| 309 | else |
| 310 | H_PUT_64 (abfd, in->l_addr.l_paddr, ext->l_addr.l_paddr); |
| 311 | |
| 312 | return bfd_coff_linesz (abfd); |
| 313 | } |
| 314 | |
| 315 | static void |
| 316 | _bfd_xcoff64_swap_sym_in (bfd *abfd, void *ext1, void *in1) |
| 317 | { |
| 318 | struct external_syment *ext = (struct external_syment *) ext1; |
| 319 | struct internal_syment *in = (struct internal_syment *) in1; |
| 320 | |
| 321 | in->_n._n_n._n_zeroes = 0; |
| 322 | in->_n._n_n._n_offset = H_GET_32 (abfd, ext->e_offset); |
| 323 | in->n_value = H_GET_64 (abfd, ext->e_value); |
| 324 | in->n_scnum = H_GET_16 (abfd, ext->e_scnum); |
| 325 | in->n_type = H_GET_16 (abfd, ext->e_type); |
| 326 | in->n_sclass = H_GET_8 (abfd, ext->e_sclass); |
| 327 | in->n_numaux = H_GET_8 (abfd, ext->e_numaux); |
| 328 | } |
| 329 | |
| 330 | static unsigned int |
| 331 | _bfd_xcoff64_swap_sym_out (bfd *abfd, void *inp, void *extp) |
| 332 | { |
| 333 | struct internal_syment *in = (struct internal_syment *) inp; |
| 334 | struct external_syment *ext = (struct external_syment *) extp; |
| 335 | |
| 336 | H_PUT_32 (abfd, in->_n._n_n._n_offset, ext->e_offset); |
| 337 | H_PUT_64 (abfd, in->n_value, ext->e_value); |
| 338 | H_PUT_16 (abfd, in->n_scnum, ext->e_scnum); |
| 339 | H_PUT_16 (abfd, in->n_type, ext->e_type); |
| 340 | H_PUT_8 (abfd, in->n_sclass, ext->e_sclass); |
| 341 | H_PUT_8 (abfd, in->n_numaux, ext->e_numaux); |
| 342 | return bfd_coff_symesz (abfd); |
| 343 | } |
| 344 | |
| 345 | static void |
| 346 | _bfd_xcoff64_swap_aux_in (bfd *abfd, void *ext1, int type, int in_class, |
| 347 | int indx, int numaux, void *in1) |
| 348 | { |
| 349 | union external_auxent *ext = (union external_auxent *) ext1; |
| 350 | union internal_auxent *in = (union internal_auxent *) in1; |
| 351 | |
| 352 | switch (in_class) |
| 353 | { |
| 354 | case C_FILE: |
| 355 | if (ext->x_file.x_n.x_n.x_zeroes[0] == 0) |
| 356 | { |
| 357 | in->x_file.x_n.x_zeroes = 0; |
| 358 | in->x_file.x_n.x_offset = |
| 359 | H_GET_32 (abfd, ext->x_file.x_n.x_n.x_offset); |
| 360 | } |
| 361 | else |
| 362 | { |
| 363 | memcpy (in->x_file.x_fname, ext->x_file.x_n.x_fname, FILNMLEN); |
| 364 | } |
| 365 | goto end; |
| 366 | |
| 367 | /* RS/6000 "csect" auxents */ |
| 368 | case C_EXT: |
| 369 | case C_AIX_WEAKEXT: |
| 370 | case C_HIDEXT: |
| 371 | if (indx + 1 == numaux) |
| 372 | { |
| 373 | bfd_signed_vma h = 0; |
| 374 | bfd_vma l = 0; |
| 375 | |
| 376 | h = H_GET_S32 (abfd, ext->x_csect.x_scnlen_hi); |
| 377 | l = H_GET_32 (abfd, ext->x_csect.x_scnlen_lo); |
| 378 | |
| 379 | in->x_csect.x_scnlen.l = h << 32 | (l & 0xffffffff); |
| 380 | |
| 381 | in->x_csect.x_parmhash = H_GET_32 (abfd, ext->x_csect.x_parmhash); |
| 382 | in->x_csect.x_snhash = H_GET_16 (abfd, ext->x_csect.x_snhash); |
| 383 | /* We don't have to hack bitfields in x_smtyp because it's |
| 384 | defined by shifts-and-ands, which are equivalent on all |
| 385 | byte orders. */ |
| 386 | in->x_csect.x_smtyp = H_GET_8 (abfd, ext->x_csect.x_smtyp); |
| 387 | in->x_csect.x_smclas = H_GET_8 (abfd, ext->x_csect.x_smclas); |
| 388 | goto end; |
| 389 | } |
| 390 | break; |
| 391 | |
| 392 | case C_STAT: |
| 393 | case C_LEAFSTAT: |
| 394 | case C_HIDDEN: |
| 395 | if (type == T_NULL) |
| 396 | { |
| 397 | /* PE defines some extra fields; we zero them out for |
| 398 | safety. */ |
| 399 | in->x_scn.x_checksum = 0; |
| 400 | in->x_scn.x_associated = 0; |
| 401 | in->x_scn.x_comdat = 0; |
| 402 | |
| 403 | goto end; |
| 404 | } |
| 405 | break; |
| 406 | } |
| 407 | |
| 408 | if (in_class == C_BLOCK || in_class == C_FCN || ISFCN (type) |
| 409 | || ISTAG (in_class)) |
| 410 | { |
| 411 | in->x_sym.x_fcnary.x_fcn.x_lnnoptr |
| 412 | = H_GET_64 (abfd, ext->x_sym.x_fcnary.x_fcn.x_lnnoptr); |
| 413 | in->x_sym.x_fcnary.x_fcn.x_endndx.l |
| 414 | = H_GET_32 (abfd, ext->x_sym.x_fcnary.x_fcn.x_endndx); |
| 415 | } |
| 416 | if (ISFCN (type)) |
| 417 | { |
| 418 | in->x_sym.x_misc.x_fsize |
| 419 | = H_GET_32 (abfd, ext->x_sym.x_fcnary.x_fcn.x_fsize); |
| 420 | } |
| 421 | else |
| 422 | { |
| 423 | in->x_sym.x_misc.x_lnsz.x_lnno |
| 424 | = H_GET_32 (abfd, ext->x_sym.x_fcnary.x_lnsz.x_lnno); |
| 425 | in->x_sym.x_misc.x_lnsz.x_size |
| 426 | = H_GET_16 (abfd, ext->x_sym.x_fcnary.x_lnsz.x_size); |
| 427 | } |
| 428 | |
| 429 | end: ; |
| 430 | } |
| 431 | |
| 432 | static unsigned int |
| 433 | _bfd_xcoff64_swap_aux_out (bfd *abfd, void *inp, int type, int in_class, |
| 434 | int indx ATTRIBUTE_UNUSED, |
| 435 | int numaux ATTRIBUTE_UNUSED, |
| 436 | void *extp) |
| 437 | { |
| 438 | union internal_auxent *in = (union internal_auxent *) inp; |
| 439 | union external_auxent *ext = (union external_auxent *) extp; |
| 440 | |
| 441 | memset (ext, 0, bfd_coff_auxesz (abfd)); |
| 442 | switch (in_class) |
| 443 | { |
| 444 | case C_FILE: |
| 445 | if (in->x_file.x_n.x_zeroes == 0) |
| 446 | { |
| 447 | H_PUT_32 (abfd, 0, ext->x_file.x_n.x_n.x_zeroes); |
| 448 | H_PUT_32 (abfd, in->x_file.x_n.x_offset, |
| 449 | ext->x_file.x_n.x_n.x_offset); |
| 450 | } |
| 451 | else |
| 452 | { |
| 453 | memcpy (ext->x_file.x_n.x_fname, in->x_file.x_fname, FILNMLEN); |
| 454 | } |
| 455 | H_PUT_8 (abfd, _AUX_FILE, ext->x_auxtype.x_auxtype); |
| 456 | goto end; |
| 457 | |
| 458 | /* RS/6000 "csect" auxents */ |
| 459 | case C_EXT: |
| 460 | case C_AIX_WEAKEXT: |
| 461 | case C_HIDEXT: |
| 462 | if (indx + 1 == numaux) |
| 463 | { |
| 464 | bfd_vma temp; |
| 465 | |
| 466 | temp = in->x_csect.x_scnlen.l & 0xffffffff; |
| 467 | H_PUT_32 (abfd, temp, ext->x_csect.x_scnlen_lo); |
| 468 | temp = in->x_csect.x_scnlen.l >> 32; |
| 469 | H_PUT_32 (abfd, temp, ext->x_csect.x_scnlen_hi); |
| 470 | H_PUT_32 (abfd, in->x_csect.x_parmhash, ext->x_csect.x_parmhash); |
| 471 | H_PUT_16 (abfd, in->x_csect.x_snhash, ext->x_csect.x_snhash); |
| 472 | /* We don't have to hack bitfields in x_smtyp because it's |
| 473 | defined by shifts-and-ands, which are equivalent on all |
| 474 | byte orders. */ |
| 475 | H_PUT_8 (abfd, in->x_csect.x_smtyp, ext->x_csect.x_smtyp); |
| 476 | H_PUT_8 (abfd, in->x_csect.x_smclas, ext->x_csect.x_smclas); |
| 477 | H_PUT_8 (abfd, _AUX_CSECT, ext->x_auxtype.x_auxtype); |
| 478 | goto end; |
| 479 | } |
| 480 | break; |
| 481 | |
| 482 | case C_STAT: |
| 483 | case C_LEAFSTAT: |
| 484 | case C_HIDDEN: |
| 485 | if (type == T_NULL) |
| 486 | { |
| 487 | goto end; |
| 488 | } |
| 489 | break; |
| 490 | } |
| 491 | |
| 492 | if (in_class == C_BLOCK || in_class == C_FCN || ISFCN (type) |
| 493 | || ISTAG (in_class)) |
| 494 | { |
| 495 | H_PUT_64 (abfd, in->x_sym.x_fcnary.x_fcn.x_lnnoptr, |
| 496 | ext->x_sym.x_fcnary.x_fcn.x_lnnoptr); |
| 497 | H_PUT_8 (abfd, _AUX_FCN, |
| 498 | ext->x_auxtype.x_auxtype); |
| 499 | H_PUT_32 (abfd, in->x_sym.x_fcnary.x_fcn.x_endndx.l, |
| 500 | ext->x_sym.x_fcnary.x_fcn.x_endndx); |
| 501 | } |
| 502 | if (ISFCN (type)) |
| 503 | { |
| 504 | H_PUT_32 (abfd, in->x_sym.x_misc.x_fsize, |
| 505 | ext->x_sym.x_fcnary.x_fcn.x_fsize); |
| 506 | } |
| 507 | else |
| 508 | { |
| 509 | H_PUT_32 (abfd, in->x_sym.x_misc.x_lnsz.x_lnno, |
| 510 | ext->x_sym.x_fcnary.x_lnsz.x_lnno); |
| 511 | H_PUT_16 (abfd, in->x_sym.x_misc.x_lnsz.x_size, |
| 512 | ext->x_sym.x_fcnary.x_lnsz.x_size); |
| 513 | } |
| 514 | |
| 515 | end: |
| 516 | |
| 517 | return bfd_coff_auxesz (abfd); |
| 518 | } |
| 519 | |
| 520 | static bfd_boolean |
| 521 | _bfd_xcoff64_put_symbol_name (bfd *abfd, struct bfd_strtab_hash *strtab, |
| 522 | struct internal_syment *sym, |
| 523 | const char *name) |
| 524 | { |
| 525 | bfd_boolean hash; |
| 526 | bfd_size_type indx; |
| 527 | |
| 528 | hash = TRUE; |
| 529 | |
| 530 | if ((abfd->flags & BFD_TRADITIONAL_FORMAT) != 0) |
| 531 | hash = FALSE; |
| 532 | |
| 533 | indx = _bfd_stringtab_add (strtab, name, hash, FALSE); |
| 534 | |
| 535 | if (indx == (bfd_size_type) -1) |
| 536 | return FALSE; |
| 537 | |
| 538 | sym->_n._n_n._n_zeroes = 0; |
| 539 | sym->_n._n_n._n_offset = STRING_SIZE_SIZE + indx; |
| 540 | |
| 541 | return TRUE; |
| 542 | } |
| 543 | |
| 544 | static bfd_boolean |
| 545 | _bfd_xcoff64_put_ldsymbol_name (bfd *abfd ATTRIBUTE_UNUSED, |
| 546 | struct xcoff_loader_info *ldinfo, |
| 547 | struct internal_ldsym *ldsym, |
| 548 | const char *name) |
| 549 | { |
| 550 | size_t len; |
| 551 | len = strlen (name); |
| 552 | |
| 553 | if (ldinfo->string_size + len + 3 > ldinfo->string_alc) |
| 554 | { |
| 555 | bfd_size_type newalc; |
| 556 | char *newstrings; |
| 557 | |
| 558 | newalc = ldinfo->string_alc * 2; |
| 559 | if (newalc == 0) |
| 560 | newalc = 32; |
| 561 | while (ldinfo->string_size + len + 3 > newalc) |
| 562 | newalc *= 2; |
| 563 | |
| 564 | newstrings = bfd_realloc (ldinfo->strings, newalc); |
| 565 | if (newstrings == NULL) |
| 566 | { |
| 567 | ldinfo->failed = TRUE; |
| 568 | return FALSE; |
| 569 | } |
| 570 | ldinfo->string_alc = newalc; |
| 571 | ldinfo->strings = newstrings; |
| 572 | } |
| 573 | |
| 574 | bfd_put_16 (ldinfo->output_bfd, (bfd_vma) (len + 1), |
| 575 | ldinfo->strings + ldinfo->string_size); |
| 576 | strcpy (ldinfo->strings + ldinfo->string_size + 2, name); |
| 577 | ldsym->_l._l_l._l_zeroes = 0; |
| 578 | ldsym->_l._l_l._l_offset = ldinfo->string_size + 2; |
| 579 | ldinfo->string_size += len + 3; |
| 580 | |
| 581 | return TRUE; |
| 582 | } |
| 583 | |
| 584 | /* Routines to swap information in the XCOFF .loader section. If we |
| 585 | ever need to write an XCOFF loader, this stuff will need to be |
| 586 | moved to another file shared by the linker (which XCOFF calls the |
| 587 | ``binder'') and the loader. */ |
| 588 | |
| 589 | /* Swap in the ldhdr structure. */ |
| 590 | |
| 591 | static void |
| 592 | xcoff64_swap_ldhdr_in (bfd *abfd, |
| 593 | const void *s, |
| 594 | struct internal_ldhdr *dst) |
| 595 | { |
| 596 | const struct external_ldhdr *src = (const struct external_ldhdr *) s; |
| 597 | |
| 598 | dst->l_version = bfd_get_32 (abfd, src->l_version); |
| 599 | dst->l_nsyms = bfd_get_32 (abfd, src->l_nsyms); |
| 600 | dst->l_nreloc = bfd_get_32 (abfd, src->l_nreloc); |
| 601 | dst->l_istlen = bfd_get_32 (abfd, src->l_istlen); |
| 602 | dst->l_nimpid = bfd_get_32 (abfd, src->l_nimpid); |
| 603 | dst->l_stlen = bfd_get_32 (abfd, src->l_stlen); |
| 604 | dst->l_impoff = bfd_get_64 (abfd, src->l_impoff); |
| 605 | dst->l_stoff = bfd_get_64 (abfd, src->l_stoff); |
| 606 | dst->l_symoff = bfd_get_64 (abfd, src->l_symoff); |
| 607 | dst->l_rldoff = bfd_get_64 (abfd, src->l_rldoff); |
| 608 | } |
| 609 | |
| 610 | /* Swap out the ldhdr structure. */ |
| 611 | |
| 612 | static void |
| 613 | xcoff64_swap_ldhdr_out (bfd *abfd, const struct internal_ldhdr *src, void *d) |
| 614 | { |
| 615 | struct external_ldhdr *dst = (struct external_ldhdr *) d; |
| 616 | |
| 617 | bfd_put_32 (abfd, (bfd_vma) src->l_version, dst->l_version); |
| 618 | bfd_put_32 (abfd, src->l_nsyms, dst->l_nsyms); |
| 619 | bfd_put_32 (abfd, src->l_nreloc, dst->l_nreloc); |
| 620 | bfd_put_32 (abfd, src->l_istlen, dst->l_istlen); |
| 621 | bfd_put_32 (abfd, src->l_nimpid, dst->l_nimpid); |
| 622 | bfd_put_32 (abfd, src->l_stlen, dst->l_stlen); |
| 623 | bfd_put_64 (abfd, src->l_impoff, dst->l_impoff); |
| 624 | bfd_put_64 (abfd, src->l_stoff, dst->l_stoff); |
| 625 | bfd_put_64 (abfd, src->l_symoff, dst->l_symoff); |
| 626 | bfd_put_64 (abfd, src->l_rldoff, dst->l_rldoff); |
| 627 | } |
| 628 | |
| 629 | /* Swap in the ldsym structure. */ |
| 630 | |
| 631 | static void |
| 632 | xcoff64_swap_ldsym_in (bfd *abfd, const void *s, struct internal_ldsym *dst) |
| 633 | { |
| 634 | const struct external_ldsym *src = (const struct external_ldsym *) s; |
| 635 | /* XCOFF64 does not use l_zeroes like XCOFF32 |
| 636 | Set the internal l_zeroes to 0 so the common 32/64 code uses l_value |
| 637 | as an offset into the loader symbol table. */ |
| 638 | dst->_l._l_l._l_zeroes = 0; |
| 639 | dst->_l._l_l._l_offset = bfd_get_32 (abfd, src->l_offset); |
| 640 | dst->l_value = bfd_get_64 (abfd, src->l_value); |
| 641 | dst->l_scnum = bfd_get_16 (abfd, src->l_scnum); |
| 642 | dst->l_smtype = bfd_get_8 (abfd, src->l_smtype); |
| 643 | dst->l_smclas = bfd_get_8 (abfd, src->l_smclas); |
| 644 | dst->l_ifile = bfd_get_32 (abfd, src->l_ifile); |
| 645 | dst->l_parm = bfd_get_32 (abfd, src->l_parm); |
| 646 | } |
| 647 | |
| 648 | /* Swap out the ldsym structure. */ |
| 649 | |
| 650 | static void |
| 651 | xcoff64_swap_ldsym_out (bfd *abfd, const struct internal_ldsym *src, void *d) |
| 652 | { |
| 653 | struct external_ldsym *dst = (struct external_ldsym *) d; |
| 654 | |
| 655 | bfd_put_64 (abfd, src->l_value, dst->l_value); |
| 656 | bfd_put_32 (abfd, (bfd_vma) src->_l._l_l._l_offset, dst->l_offset); |
| 657 | bfd_put_16 (abfd, (bfd_vma) src->l_scnum, dst->l_scnum); |
| 658 | bfd_put_8 (abfd, src->l_smtype, dst->l_smtype); |
| 659 | bfd_put_8 (abfd, src->l_smclas, dst->l_smclas); |
| 660 | bfd_put_32 (abfd, src->l_ifile, dst->l_ifile); |
| 661 | bfd_put_32 (abfd, src->l_parm, dst->l_parm); |
| 662 | } |
| 663 | |
| 664 | static void |
| 665 | xcoff64_swap_reloc_in (bfd *abfd, void *s, void *d) |
| 666 | { |
| 667 | struct external_reloc *src = (struct external_reloc *) s; |
| 668 | struct internal_reloc *dst = (struct internal_reloc *) d; |
| 669 | |
| 670 | memset (dst, 0, sizeof (struct internal_reloc)); |
| 671 | |
| 672 | dst->r_vaddr = bfd_get_64 (abfd, src->r_vaddr); |
| 673 | dst->r_symndx = bfd_get_32 (abfd, src->r_symndx); |
| 674 | dst->r_size = bfd_get_8 (abfd, src->r_size); |
| 675 | dst->r_type = bfd_get_8 (abfd, src->r_type); |
| 676 | } |
| 677 | |
| 678 | static unsigned int |
| 679 | xcoff64_swap_reloc_out (bfd *abfd, void *s, void *d) |
| 680 | { |
| 681 | struct internal_reloc *src = (struct internal_reloc *) s; |
| 682 | struct external_reloc *dst = (struct external_reloc *) d; |
| 683 | |
| 684 | bfd_put_64 (abfd, src->r_vaddr, dst->r_vaddr); |
| 685 | bfd_put_32 (abfd, src->r_symndx, dst->r_symndx); |
| 686 | bfd_put_8 (abfd, src->r_type, dst->r_type); |
| 687 | bfd_put_8 (abfd, src->r_size, dst->r_size); |
| 688 | |
| 689 | return bfd_coff_relsz (abfd); |
| 690 | } |
| 691 | |
| 692 | /* Swap in the ldrel structure. */ |
| 693 | |
| 694 | static void |
| 695 | xcoff64_swap_ldrel_in (bfd *abfd, const void *s, struct internal_ldrel *dst) |
| 696 | { |
| 697 | const struct external_ldrel *src = (const struct external_ldrel *) s; |
| 698 | |
| 699 | dst->l_vaddr = bfd_get_64 (abfd, src->l_vaddr); |
| 700 | dst->l_symndx = bfd_get_32 (abfd, src->l_symndx); |
| 701 | dst->l_rtype = bfd_get_16 (abfd, src->l_rtype); |
| 702 | dst->l_rsecnm = bfd_get_16 (abfd, src->l_rsecnm); |
| 703 | } |
| 704 | |
| 705 | /* Swap out the ldrel structure. */ |
| 706 | |
| 707 | static void |
| 708 | xcoff64_swap_ldrel_out (bfd *abfd, const struct internal_ldrel *src, void *d) |
| 709 | { |
| 710 | struct external_ldrel *dst = (struct external_ldrel *) d; |
| 711 | |
| 712 | bfd_put_64 (abfd, src->l_vaddr, dst->l_vaddr); |
| 713 | bfd_put_16 (abfd, (bfd_vma) src->l_rtype, dst->l_rtype); |
| 714 | bfd_put_16 (abfd, (bfd_vma) src->l_rsecnm, dst->l_rsecnm); |
| 715 | bfd_put_32 (abfd, src->l_symndx, dst->l_symndx); |
| 716 | } |
| 717 | |
| 718 | static bfd_boolean |
| 719 | xcoff64_write_object_contents (bfd *abfd) |
| 720 | { |
| 721 | asection *current; |
| 722 | bfd_boolean hasrelocs = FALSE; |
| 723 | bfd_boolean haslinno = FALSE; |
| 724 | file_ptr scn_base; |
| 725 | file_ptr reloc_base; |
| 726 | file_ptr lineno_base; |
| 727 | file_ptr sym_base; |
| 728 | unsigned long reloc_size = 0; |
| 729 | unsigned long lnno_size = 0; |
| 730 | asection *text_sec = NULL; |
| 731 | asection *data_sec = NULL; |
| 732 | asection *bss_sec = NULL; |
| 733 | struct internal_filehdr internal_f; |
| 734 | struct internal_aouthdr internal_a; |
| 735 | |
| 736 | bfd_set_error (bfd_error_system_call); |
| 737 | |
| 738 | if (! abfd->output_has_begun) |
| 739 | { |
| 740 | if (! bfd_coff_compute_section_file_positions (abfd)) |
| 741 | return FALSE; |
| 742 | } |
| 743 | |
| 744 | /* Work out the size of the reloc and linno areas. */ |
| 745 | reloc_base = obj_relocbase (abfd); |
| 746 | |
| 747 | for (current = abfd->sections; current != NULL; current = current->next) |
| 748 | reloc_size += current->reloc_count * bfd_coff_relsz (abfd); |
| 749 | |
| 750 | lineno_base = reloc_base + reloc_size; |
| 751 | |
| 752 | /* Make a pass through the symbol table to count line number entries and |
| 753 | put them into the correct asections. */ |
| 754 | lnno_size = coff_count_linenumbers (abfd) * bfd_coff_linesz (abfd); |
| 755 | |
| 756 | sym_base = lineno_base + lnno_size; |
| 757 | |
| 758 | /* Indicate in each section->line_filepos its actual file address. */ |
| 759 | for (current = abfd->sections; current != NULL; current = current->next) |
| 760 | { |
| 761 | if (current->lineno_count) |
| 762 | { |
| 763 | current->line_filepos = lineno_base; |
| 764 | current->moving_line_filepos = lineno_base; |
| 765 | lineno_base += current->lineno_count * bfd_coff_linesz (abfd); |
| 766 | } |
| 767 | else |
| 768 | { |
| 769 | current->line_filepos = 0; |
| 770 | } |
| 771 | |
| 772 | if (current->reloc_count) |
| 773 | { |
| 774 | current->rel_filepos = reloc_base; |
| 775 | reloc_base += current->reloc_count * bfd_coff_relsz (abfd); |
| 776 | } |
| 777 | else |
| 778 | { |
| 779 | current->rel_filepos = 0; |
| 780 | } |
| 781 | } |
| 782 | |
| 783 | if ((abfd->flags & EXEC_P) != 0) |
| 784 | { |
| 785 | scn_base = bfd_coff_filhsz (abfd) + bfd_coff_aoutsz (abfd); |
| 786 | internal_f.f_opthdr = bfd_coff_aoutsz (abfd); |
| 787 | } |
| 788 | else |
| 789 | { |
| 790 | scn_base = bfd_coff_filhsz (abfd); |
| 791 | internal_f.f_opthdr = 0; |
| 792 | } |
| 793 | |
| 794 | internal_f.f_nscns = 0; |
| 795 | |
| 796 | if (bfd_seek (abfd, scn_base, SEEK_SET) != 0) |
| 797 | return FALSE; |
| 798 | |
| 799 | for (current = abfd->sections; current != NULL; current = current->next) |
| 800 | { |
| 801 | struct internal_scnhdr section; |
| 802 | struct external_scnhdr buff; |
| 803 | bfd_size_type amount; |
| 804 | |
| 805 | internal_f.f_nscns++; |
| 806 | |
| 807 | strncpy (section.s_name, current->name, SCNNMLEN); |
| 808 | |
| 809 | section.s_vaddr = current->vma; |
| 810 | section.s_paddr = current->lma; |
| 811 | section.s_size = current->size; |
| 812 | |
| 813 | /* If this section has no size or is unloadable then the scnptr |
| 814 | will be 0 too. */ |
| 815 | if (current->size == 0 |
| 816 | || (current->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0) |
| 817 | { |
| 818 | section.s_scnptr = 0; |
| 819 | } |
| 820 | else |
| 821 | { |
| 822 | section.s_scnptr = current->filepos; |
| 823 | } |
| 824 | |
| 825 | section.s_relptr = current->rel_filepos; |
| 826 | section.s_lnnoptr = current->line_filepos; |
| 827 | section.s_nreloc = current->reloc_count; |
| 828 | |
| 829 | section.s_nlnno = current->lineno_count; |
| 830 | if (current->reloc_count != 0) |
| 831 | hasrelocs = TRUE; |
| 832 | if (current->lineno_count != 0) |
| 833 | haslinno = TRUE; |
| 834 | |
| 835 | section.s_flags = sec_to_styp_flags (current->name, current->flags); |
| 836 | |
| 837 | if (!strcmp (current->name, _TEXT)) |
| 838 | { |
| 839 | text_sec = current; |
| 840 | } |
| 841 | else if (!strcmp (current->name, _DATA)) |
| 842 | { |
| 843 | data_sec = current; |
| 844 | } |
| 845 | else if (!strcmp (current->name, _BSS)) |
| 846 | { |
| 847 | bss_sec = current; |
| 848 | } |
| 849 | |
| 850 | amount = bfd_coff_scnhsz (abfd); |
| 851 | if (bfd_coff_swap_scnhdr_out (abfd, §ion, &buff) == 0 |
| 852 | || bfd_bwrite (&buff, amount, abfd) != amount) |
| 853 | return FALSE; |
| 854 | } |
| 855 | |
| 856 | internal_f.f_timdat = 0; |
| 857 | |
| 858 | internal_f.f_flags = 0; |
| 859 | |
| 860 | if (!hasrelocs) |
| 861 | internal_f.f_flags |= F_RELFLG; |
| 862 | if (!haslinno) |
| 863 | internal_f.f_flags |= F_LNNO; |
| 864 | if (abfd->flags & EXEC_P) |
| 865 | internal_f.f_flags |= F_EXEC; |
| 866 | |
| 867 | /* FIXME: this is wrong for PPC_PE! */ |
| 868 | if (bfd_little_endian (abfd)) |
| 869 | internal_f.f_flags |= F_AR32WR; |
| 870 | else |
| 871 | internal_f.f_flags |= F_AR32W; |
| 872 | |
| 873 | if ((abfd->flags & DYNAMIC) != 0) |
| 874 | internal_f.f_flags |= F_SHROBJ; |
| 875 | if (bfd_get_section_by_name (abfd, _LOADER) != NULL) |
| 876 | internal_f.f_flags |= F_DYNLOAD; |
| 877 | |
| 878 | memset (&internal_a, 0, sizeof internal_a); |
| 879 | |
| 880 | internal_f.f_magic = bfd_xcoff_magic_number (abfd); |
| 881 | internal_a.magic = (abfd->flags & D_PAGED |
| 882 | ? RS6K_AOUTHDR_ZMAGIC |
| 883 | : (abfd->flags & WP_TEXT |
| 884 | ? RS6K_AOUTHDR_NMAGIC |
| 885 | : RS6K_AOUTHDR_OMAGIC)); |
| 886 | |
| 887 | /* FIXME: Does anybody ever set this to another value? */ |
| 888 | internal_a.vstamp = 0; |
| 889 | |
| 890 | /* Now should write relocs, strings, syms. */ |
| 891 | obj_sym_filepos (abfd) = sym_base; |
| 892 | |
| 893 | internal_f.f_symptr = 0; |
| 894 | internal_f.f_nsyms = 0; |
| 895 | |
| 896 | /* If bfd_get_symcount (abfd) != 0, then we are not using the COFF |
| 897 | backend linker, and obj_raw_syment_count is not valid until after |
| 898 | coff_write_symbols is called. */ |
| 899 | if (bfd_get_symcount (abfd) != 0) |
| 900 | { |
| 901 | int firstundef; |
| 902 | |
| 903 | if (!coff_renumber_symbols (abfd, &firstundef)) |
| 904 | return FALSE; |
| 905 | coff_mangle_symbols (abfd); |
| 906 | if (! coff_write_symbols (abfd)) |
| 907 | return FALSE; |
| 908 | if (! coff_write_linenumbers (abfd)) |
| 909 | return FALSE; |
| 910 | if (! coff_write_relocs (abfd, firstundef)) |
| 911 | return FALSE; |
| 912 | |
| 913 | internal_f.f_symptr = sym_base; |
| 914 | internal_f.f_nsyms = bfd_get_symcount (abfd); |
| 915 | } |
| 916 | else if (obj_raw_syment_count (abfd) != 0) |
| 917 | { |
| 918 | internal_f.f_symptr = sym_base; |
| 919 | |
| 920 | /* AIX appears to require that F_RELFLG not be set if there are |
| 921 | local symbols but no relocations. */ |
| 922 | internal_f.f_flags &=~ F_RELFLG; |
| 923 | } |
| 924 | else |
| 925 | { |
| 926 | internal_f.f_flags |= F_LSYMS; |
| 927 | } |
| 928 | |
| 929 | if (text_sec) |
| 930 | { |
| 931 | internal_a.tsize = text_sec->size; |
| 932 | internal_a.text_start = internal_a.tsize ? text_sec->vma : 0; |
| 933 | } |
| 934 | |
| 935 | if (data_sec) |
| 936 | { |
| 937 | internal_a.dsize = data_sec->size; |
| 938 | internal_a.data_start = internal_a.dsize ? data_sec->vma : 0; |
| 939 | } |
| 940 | |
| 941 | if (bss_sec) |
| 942 | { |
| 943 | internal_a.bsize = bss_sec->size; |
| 944 | if (internal_a.bsize && bss_sec->vma < internal_a.data_start) |
| 945 | internal_a.data_start = bss_sec->vma; |
| 946 | } |
| 947 | |
| 948 | internal_a.entry = bfd_get_start_address (abfd); |
| 949 | internal_f.f_nsyms = obj_raw_syment_count (abfd); |
| 950 | |
| 951 | if (xcoff_data (abfd)->full_aouthdr) |
| 952 | { |
| 953 | bfd_vma toc; |
| 954 | asection *loader_sec; |
| 955 | |
| 956 | internal_a.vstamp = 1; |
| 957 | |
| 958 | internal_a.o_snentry = xcoff_data (abfd)->snentry; |
| 959 | if (internal_a.o_snentry == 0) |
| 960 | internal_a.entry = (bfd_vma) -1; |
| 961 | |
| 962 | if (text_sec != NULL) |
| 963 | { |
| 964 | internal_a.o_sntext = text_sec->target_index; |
| 965 | internal_a.o_algntext = bfd_get_section_alignment (abfd, text_sec); |
| 966 | } |
| 967 | else |
| 968 | { |
| 969 | internal_a.o_sntext = 0; |
| 970 | internal_a.o_algntext = 0; |
| 971 | } |
| 972 | |
| 973 | if (data_sec != NULL) |
| 974 | { |
| 975 | internal_a.o_sndata = data_sec->target_index; |
| 976 | internal_a.o_algndata = bfd_get_section_alignment (abfd, data_sec); |
| 977 | } |
| 978 | else |
| 979 | { |
| 980 | internal_a.o_sndata = 0; |
| 981 | internal_a.o_algndata = 0; |
| 982 | } |
| 983 | |
| 984 | loader_sec = bfd_get_section_by_name (abfd, ".loader"); |
| 985 | if (loader_sec != NULL) |
| 986 | internal_a.o_snloader = loader_sec->target_index; |
| 987 | else |
| 988 | internal_a.o_snloader = 0; |
| 989 | if (bss_sec != NULL) |
| 990 | internal_a.o_snbss = bss_sec->target_index; |
| 991 | else |
| 992 | internal_a.o_snbss = 0; |
| 993 | |
| 994 | toc = xcoff_data (abfd)->toc; |
| 995 | internal_a.o_toc = toc; |
| 996 | internal_a.o_sntoc = xcoff_data (abfd)->sntoc; |
| 997 | |
| 998 | internal_a.o_modtype = xcoff_data (abfd)->modtype; |
| 999 | if (xcoff_data (abfd)->cputype != -1) |
| 1000 | internal_a.o_cputype = xcoff_data (abfd)->cputype; |
| 1001 | else |
| 1002 | { |
| 1003 | switch (bfd_get_arch (abfd)) |
| 1004 | { |
| 1005 | case bfd_arch_rs6000: |
| 1006 | internal_a.o_cputype = 4; |
| 1007 | break; |
| 1008 | case bfd_arch_powerpc: |
| 1009 | if (bfd_get_mach (abfd) == bfd_mach_ppc) |
| 1010 | internal_a.o_cputype = 3; |
| 1011 | else if (bfd_get_mach (abfd) == bfd_mach_ppc_620) |
| 1012 | internal_a.o_cputype = 2; |
| 1013 | else |
| 1014 | internal_a.o_cputype = 1; |
| 1015 | break; |
| 1016 | default: |
| 1017 | abort (); |
| 1018 | } |
| 1019 | } |
| 1020 | internal_a.o_maxstack = xcoff_data (abfd)->maxstack; |
| 1021 | internal_a.o_maxdata = xcoff_data (abfd)->maxdata; |
| 1022 | } |
| 1023 | |
| 1024 | if (bfd_seek (abfd, (file_ptr) 0, 0) != 0) |
| 1025 | return FALSE; |
| 1026 | |
| 1027 | { |
| 1028 | char * buff; |
| 1029 | bfd_size_type amount = bfd_coff_filhsz (abfd); |
| 1030 | |
| 1031 | buff = bfd_malloc (amount); |
| 1032 | if (buff == NULL) |
| 1033 | return FALSE; |
| 1034 | |
| 1035 | bfd_coff_swap_filehdr_out (abfd, &internal_f, buff); |
| 1036 | amount = bfd_bwrite (buff, amount, abfd); |
| 1037 | |
| 1038 | free (buff); |
| 1039 | |
| 1040 | if (amount != bfd_coff_filhsz (abfd)) |
| 1041 | return FALSE; |
| 1042 | } |
| 1043 | |
| 1044 | if (abfd->flags & EXEC_P) |
| 1045 | { |
| 1046 | char * buff; |
| 1047 | bfd_size_type amount = bfd_coff_aoutsz (abfd); |
| 1048 | |
| 1049 | buff = bfd_malloc (amount); |
| 1050 | if (buff == NULL) |
| 1051 | return FALSE; |
| 1052 | |
| 1053 | bfd_coff_swap_aouthdr_out (abfd, &internal_a, buff); |
| 1054 | amount = bfd_bwrite (buff, amount, abfd); |
| 1055 | |
| 1056 | free (buff); |
| 1057 | |
| 1058 | if (amount != bfd_coff_aoutsz (abfd)) |
| 1059 | return FALSE; |
| 1060 | } |
| 1061 | |
| 1062 | return TRUE; |
| 1063 | } |
| 1064 | |
| 1065 | static bfd_boolean |
| 1066 | xcoff64_reloc_type_br (bfd *input_bfd, |
| 1067 | asection *input_section, |
| 1068 | bfd *output_bfd ATTRIBUTE_UNUSED, |
| 1069 | struct internal_reloc *rel, |
| 1070 | struct internal_syment *sym ATTRIBUTE_UNUSED, |
| 1071 | struct reloc_howto_struct *howto, |
| 1072 | bfd_vma val, |
| 1073 | bfd_vma addend, |
| 1074 | bfd_vma *relocation, |
| 1075 | bfd_byte *contents) |
| 1076 | { |
| 1077 | struct xcoff_link_hash_entry *h; |
| 1078 | bfd_vma section_offset; |
| 1079 | |
| 1080 | if (0 > rel->r_symndx) |
| 1081 | return FALSE; |
| 1082 | |
| 1083 | h = obj_xcoff_sym_hashes (input_bfd)[rel->r_symndx]; |
| 1084 | section_offset = rel->r_vaddr - input_section->vma; |
| 1085 | |
| 1086 | /* If we see an R_BR or R_RBR reloc which is jumping to global |
| 1087 | linkage code, and it is followed by an appropriate cror nop |
| 1088 | instruction, we replace the cror with ld r2,40(r1). This |
| 1089 | restores the TOC after the glink code. Contrariwise, if the |
| 1090 | call is followed by a ld r2,40(r1), but the call is not |
| 1091 | going to global linkage code, we can replace the load with a |
| 1092 | cror. */ |
| 1093 | if (NULL != h |
| 1094 | && (bfd_link_hash_defined == h->root.type |
| 1095 | || bfd_link_hash_defweak == h->root.type) |
| 1096 | && section_offset + 8 <= input_section->size) |
| 1097 | { |
| 1098 | bfd_byte *pnext; |
| 1099 | unsigned long next; |
| 1100 | |
| 1101 | pnext = contents + section_offset + 4; |
| 1102 | next = bfd_get_32 (input_bfd, pnext); |
| 1103 | |
| 1104 | /* The _ptrgl function is magic. It is used by the AIX compiler to call |
| 1105 | a function through a pointer. */ |
| 1106 | if (h->smclas == XMC_GL || strcmp (h->root.root.string, "._ptrgl") == 0) |
| 1107 | { |
| 1108 | if (next == 0x4def7b82 /* cror 15,15,15 */ |
| 1109 | || next == 0x4ffffb82 /* cror 31,31,31 */ |
| 1110 | || next == 0x60000000) /* ori r0,r0,0 */ |
| 1111 | bfd_put_32 (input_bfd, 0xe8410028, pnext); /* ld r2,40(r1) */ |
| 1112 | } |
| 1113 | else |
| 1114 | { |
| 1115 | if (next == 0xe8410028) /* ld r2,40(r1) */ |
| 1116 | bfd_put_32 (input_bfd, 0x60000000, pnext); /* ori r0,r0,0 */ |
| 1117 | } |
| 1118 | } |
| 1119 | else if (NULL != h && bfd_link_hash_undefined == h->root.type) |
| 1120 | { |
| 1121 | /* Normally, this relocation is against a defined symbol. In the |
| 1122 | case where this is a partial link and the output section offset |
| 1123 | is greater than 2^25, the linker will return an invalid error |
| 1124 | message that the relocation has been truncated. Yes it has been |
| 1125 | truncated but no it not important. For this case, disable the |
| 1126 | overflow checking. */ |
| 1127 | howto->complain_on_overflow = complain_overflow_dont; |
| 1128 | } |
| 1129 | |
| 1130 | /* The original PC-relative relocation is biased by -r_vaddr, so adding |
| 1131 | the value below will give the absolute target address. */ |
| 1132 | *relocation = val + addend + rel->r_vaddr; |
| 1133 | |
| 1134 | howto->src_mask &= ~3; |
| 1135 | howto->dst_mask = howto->src_mask; |
| 1136 | |
| 1137 | if (h != NULL |
| 1138 | && (h->root.type == bfd_link_hash_defined |
| 1139 | || h->root.type == bfd_link_hash_defweak) |
| 1140 | && bfd_is_abs_section (h->root.u.def.section) |
| 1141 | && section_offset + 4 <= input_section->size) |
| 1142 | { |
| 1143 | bfd_byte *ptr; |
| 1144 | bfd_vma insn; |
| 1145 | |
| 1146 | /* Turn the relative branch into an absolute one by setting the |
| 1147 | AA bit. */ |
| 1148 | ptr = contents + section_offset; |
| 1149 | insn = bfd_get_32 (input_bfd, ptr); |
| 1150 | insn |= 2; |
| 1151 | bfd_put_32 (input_bfd, insn, ptr); |
| 1152 | |
| 1153 | /* Make the howto absolute too. */ |
| 1154 | howto->pc_relative = FALSE; |
| 1155 | howto->complain_on_overflow = complain_overflow_bitfield; |
| 1156 | } |
| 1157 | else |
| 1158 | { |
| 1159 | /* Use a PC-relative howto and subtract the instruction's address |
| 1160 | from the target address we calculated above. */ |
| 1161 | howto->pc_relative = TRUE; |
| 1162 | *relocation -= (input_section->output_section->vma |
| 1163 | + input_section->output_offset |
| 1164 | + section_offset); |
| 1165 | } |
| 1166 | return TRUE; |
| 1167 | } |
| 1168 | |
| 1169 | /* This is the relocation function for the PowerPC64. |
| 1170 | See xcoff_ppc_relocation_section for more information. */ |
| 1171 | |
| 1172 | bfd_boolean |
| 1173 | xcoff64_ppc_relocate_section (bfd *output_bfd, |
| 1174 | struct bfd_link_info *info, |
| 1175 | bfd *input_bfd, |
| 1176 | asection *input_section, |
| 1177 | bfd_byte *contents, |
| 1178 | struct internal_reloc *relocs, |
| 1179 | struct internal_syment *syms, |
| 1180 | asection **sections) |
| 1181 | { |
| 1182 | struct internal_reloc *rel; |
| 1183 | struct internal_reloc *relend; |
| 1184 | |
| 1185 | rel = relocs; |
| 1186 | relend = rel + input_section->reloc_count; |
| 1187 | for (; rel < relend; rel++) |
| 1188 | { |
| 1189 | long symndx; |
| 1190 | struct xcoff_link_hash_entry *h; |
| 1191 | struct internal_syment *sym; |
| 1192 | bfd_vma addend; |
| 1193 | bfd_vma val; |
| 1194 | struct reloc_howto_struct howto; |
| 1195 | bfd_vma relocation; |
| 1196 | bfd_vma value_to_relocate; |
| 1197 | bfd_vma address; |
| 1198 | bfd_byte *location; |
| 1199 | |
| 1200 | /* Relocation type R_REF is a special relocation type which is |
| 1201 | merely used to prevent garbage collection from occurring for |
| 1202 | the csect including the symbol which it references. */ |
| 1203 | if (rel->r_type == R_REF) |
| 1204 | continue; |
| 1205 | |
| 1206 | /* howto */ |
| 1207 | howto.type = rel->r_type; |
| 1208 | howto.rightshift = 0; |
| 1209 | howto.bitsize = (rel->r_size & 0x3f) + 1; |
| 1210 | howto.size = howto.bitsize > 16 ? (howto.bitsize > 32 ? 4 : 2) : 1; |
| 1211 | howto.pc_relative = FALSE; |
| 1212 | howto.bitpos = 0; |
| 1213 | howto.complain_on_overflow = (rel->r_size & 0x80 |
| 1214 | ? complain_overflow_signed |
| 1215 | : complain_overflow_bitfield); |
| 1216 | howto.special_function = NULL; |
| 1217 | howto.name = "internal"; |
| 1218 | howto.partial_inplace = TRUE; |
| 1219 | howto.src_mask = howto.dst_mask = N_ONES (howto.bitsize); |
| 1220 | howto.pcrel_offset = FALSE; |
| 1221 | |
| 1222 | /* symbol */ |
| 1223 | val = 0; |
| 1224 | addend = 0; |
| 1225 | h = NULL; |
| 1226 | sym = NULL; |
| 1227 | symndx = rel->r_symndx; |
| 1228 | |
| 1229 | if (-1 != symndx) |
| 1230 | { |
| 1231 | asection *sec; |
| 1232 | |
| 1233 | h = obj_xcoff_sym_hashes (input_bfd)[symndx]; |
| 1234 | sym = syms + symndx; |
| 1235 | addend = - sym->n_value; |
| 1236 | |
| 1237 | if (NULL == h) |
| 1238 | { |
| 1239 | sec = sections[symndx]; |
| 1240 | /* Hack to make sure we use the right TOC anchor value |
| 1241 | if this reloc is against the TOC anchor. */ |
| 1242 | if (sec->name[3] == '0' |
| 1243 | && strcmp (sec->name, ".tc0") == 0) |
| 1244 | val = xcoff_data (output_bfd)->toc; |
| 1245 | else |
| 1246 | val = (sec->output_section->vma |
| 1247 | + sec->output_offset |
| 1248 | + sym->n_value |
| 1249 | - sec->vma); |
| 1250 | } |
| 1251 | else |
| 1252 | { |
| 1253 | if (info->unresolved_syms_in_objects != RM_IGNORE |
| 1254 | && (h->flags & XCOFF_WAS_UNDEFINED) != 0) |
| 1255 | { |
| 1256 | if (! ((*info->callbacks->undefined_symbol) |
| 1257 | (info, h->root.root.string, |
| 1258 | input_bfd, input_section, |
| 1259 | rel->r_vaddr - input_section->vma, |
| 1260 | (info->unresolved_syms_in_objects |
| 1261 | == RM_GENERATE_ERROR)))) |
| 1262 | return FALSE; |
| 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 |
| 1279 | { |
| 1280 | BFD_ASSERT (info->relocatable |
| 1281 | || (h->flags & XCOFF_DEF_DYNAMIC) != 0 |
| 1282 | || (h->flags & XCOFF_IMPORT) != 0); |
| 1283 | } |
| 1284 | } |
| 1285 | } |
| 1286 | |
| 1287 | if (rel->r_type >= XCOFF_MAX_CALCULATE_RELOCATION |
| 1288 | || !((*xcoff64_calculate_relocation[rel->r_type]) |
| 1289 | (input_bfd, input_section, output_bfd, rel, sym, &howto, val, |
| 1290 | addend, &relocation, contents))) |
| 1291 | return FALSE; |
| 1292 | |
| 1293 | /* address */ |
| 1294 | address = rel->r_vaddr - input_section->vma; |
| 1295 | location = contents + address; |
| 1296 | |
| 1297 | if (address > input_section->size) |
| 1298 | abort (); |
| 1299 | |
| 1300 | /* Get the value we are going to relocate. */ |
| 1301 | if (1 == howto.size) |
| 1302 | value_to_relocate = bfd_get_16 (input_bfd, location); |
| 1303 | else if (2 == howto.size) |
| 1304 | value_to_relocate = bfd_get_32 (input_bfd, location); |
| 1305 | else |
| 1306 | value_to_relocate = bfd_get_64 (input_bfd, location); |
| 1307 | |
| 1308 | /* overflow. |
| 1309 | |
| 1310 | FIXME: We may drop bits during the addition |
| 1311 | which we don't check for. We must either check at every single |
| 1312 | operation, which would be tedious, or we must do the computations |
| 1313 | in a type larger than bfd_vma, which would be inefficient. */ |
| 1314 | |
| 1315 | if ((unsigned int) howto.complain_on_overflow |
| 1316 | >= XCOFF_MAX_COMPLAIN_OVERFLOW) |
| 1317 | abort (); |
| 1318 | |
| 1319 | if (((*xcoff_complain_overflow[howto.complain_on_overflow]) |
| 1320 | (input_bfd, value_to_relocate, relocation, &howto))) |
| 1321 | { |
| 1322 | const char *name; |
| 1323 | char buf[SYMNMLEN + 1]; |
| 1324 | char reloc_type_name[10]; |
| 1325 | |
| 1326 | if (symndx == -1) |
| 1327 | { |
| 1328 | name = "*ABS*"; |
| 1329 | } |
| 1330 | else if (h != NULL) |
| 1331 | { |
| 1332 | name = NULL; |
| 1333 | } |
| 1334 | else |
| 1335 | { |
| 1336 | name = _bfd_coff_internal_syment_name (input_bfd, sym, buf); |
| 1337 | if (name == NULL) |
| 1338 | name = "UNKNOWN"; |
| 1339 | } |
| 1340 | sprintf (reloc_type_name, "0x%02x", rel->r_type); |
| 1341 | |
| 1342 | if (! ((*info->callbacks->reloc_overflow) |
| 1343 | (info, (h ? &h->root : NULL), name, reloc_type_name, |
| 1344 | (bfd_vma) 0, input_bfd, input_section, |
| 1345 | rel->r_vaddr - input_section->vma))) |
| 1346 | return FALSE; |
| 1347 | } |
| 1348 | |
| 1349 | /* Add RELOCATION to the right bits of VALUE_TO_RELOCATE. */ |
| 1350 | value_to_relocate = ((value_to_relocate & ~howto.dst_mask) |
| 1351 | | (((value_to_relocate & howto.src_mask) |
| 1352 | + relocation) & howto.dst_mask)); |
| 1353 | |
| 1354 | /* Put the value back in the object file. */ |
| 1355 | if (1 == howto.size) |
| 1356 | bfd_put_16 (input_bfd, value_to_relocate, location); |
| 1357 | else if (2 == howto.size) |
| 1358 | bfd_put_32 (input_bfd, value_to_relocate, location); |
| 1359 | else |
| 1360 | bfd_put_64 (input_bfd, value_to_relocate, location); |
| 1361 | |
| 1362 | } |
| 1363 | return TRUE; |
| 1364 | } |
| 1365 | |
| 1366 | \f |
| 1367 | /* The XCOFF reloc table. Actually, XCOFF relocations specify the |
| 1368 | bitsize and whether they are signed or not, along with a |
| 1369 | conventional type. This table is for the types, which are used for |
| 1370 | different algorithms for putting in the reloc. Many of these |
| 1371 | relocs need special_function entries, which I have not written. */ |
| 1372 | |
| 1373 | reloc_howto_type xcoff64_howto_table[] = |
| 1374 | { |
| 1375 | /* 0x00: Standard 64 bit relocation. */ |
| 1376 | HOWTO (R_POS, /* type */ |
| 1377 | 0, /* rightshift */ |
| 1378 | 4, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1379 | 64, /* bitsize */ |
| 1380 | FALSE, /* pc_relative */ |
| 1381 | 0, /* bitpos */ |
| 1382 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 1383 | 0, /* special_function */ |
| 1384 | "R_POS_64", /* name */ |
| 1385 | TRUE, /* partial_inplace */ |
| 1386 | MINUS_ONE, /* src_mask */ |
| 1387 | MINUS_ONE, /* dst_mask */ |
| 1388 | FALSE), /* pcrel_offset */ |
| 1389 | |
| 1390 | /* 0x01: 64 bit relocation, but store negative value. */ |
| 1391 | HOWTO (R_NEG, /* type */ |
| 1392 | 0, /* rightshift */ |
| 1393 | -4, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1394 | 64, /* bitsize */ |
| 1395 | FALSE, /* pc_relative */ |
| 1396 | 0, /* bitpos */ |
| 1397 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 1398 | 0, /* special_function */ |
| 1399 | "R_NEG", /* name */ |
| 1400 | TRUE, /* partial_inplace */ |
| 1401 | MINUS_ONE, /* src_mask */ |
| 1402 | MINUS_ONE, /* dst_mask */ |
| 1403 | FALSE), /* pcrel_offset */ |
| 1404 | |
| 1405 | /* 0x02: 32 bit PC relative relocation. */ |
| 1406 | HOWTO (R_REL, /* type */ |
| 1407 | 0, /* rightshift */ |
| 1408 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1409 | 32, /* bitsize */ |
| 1410 | TRUE, /* pc_relative */ |
| 1411 | 0, /* bitpos */ |
| 1412 | complain_overflow_signed, /* complain_on_overflow */ |
| 1413 | 0, /* special_function */ |
| 1414 | "R_REL", /* name */ |
| 1415 | TRUE, /* partial_inplace */ |
| 1416 | 0xffffffff, /* src_mask */ |
| 1417 | 0xffffffff, /* dst_mask */ |
| 1418 | FALSE), /* pcrel_offset */ |
| 1419 | |
| 1420 | /* 0x03: 16 bit TOC relative relocation. */ |
| 1421 | HOWTO (R_TOC, /* type */ |
| 1422 | 0, /* rightshift */ |
| 1423 | 1, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1424 | 16, /* bitsize */ |
| 1425 | FALSE, /* pc_relative */ |
| 1426 | 0, /* bitpos */ |
| 1427 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 1428 | 0, /* special_function */ |
| 1429 | "R_TOC", /* name */ |
| 1430 | TRUE, /* partial_inplace */ |
| 1431 | 0xffff, /* src_mask */ |
| 1432 | 0xffff, /* dst_mask */ |
| 1433 | FALSE), /* pcrel_offset */ |
| 1434 | |
| 1435 | /* 0x04: I don't really know what this is. */ |
| 1436 | HOWTO (R_RTB, /* type */ |
| 1437 | 1, /* rightshift */ |
| 1438 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1439 | 32, /* bitsize */ |
| 1440 | FALSE, /* pc_relative */ |
| 1441 | 0, /* bitpos */ |
| 1442 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 1443 | 0, /* special_function */ |
| 1444 | "R_RTB", /* name */ |
| 1445 | TRUE, /* partial_inplace */ |
| 1446 | 0xffffffff, /* src_mask */ |
| 1447 | 0xffffffff, /* dst_mask */ |
| 1448 | FALSE), /* pcrel_offset */ |
| 1449 | |
| 1450 | /* 0x05: External TOC relative symbol. */ |
| 1451 | HOWTO (R_GL, /* type */ |
| 1452 | 0, /* rightshift */ |
| 1453 | 1, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1454 | 16, /* bitsize */ |
| 1455 | FALSE, /* pc_relative */ |
| 1456 | 0, /* bitpos */ |
| 1457 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 1458 | 0, /* special_function */ |
| 1459 | "R_GL", /* name */ |
| 1460 | TRUE, /* partial_inplace */ |
| 1461 | 0xffff, /* src_mask */ |
| 1462 | 0xffff, /* dst_mask */ |
| 1463 | FALSE), /* pcrel_offset */ |
| 1464 | |
| 1465 | /* 0x06: Local TOC relative symbol. */ |
| 1466 | HOWTO (R_TCL, /* type */ |
| 1467 | 0, /* rightshift */ |
| 1468 | 1, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1469 | 16, /* bitsize */ |
| 1470 | FALSE, /* pc_relative */ |
| 1471 | 0, /* bitpos */ |
| 1472 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 1473 | 0, /* special_function */ |
| 1474 | "R_TCL", /* name */ |
| 1475 | TRUE, /* partial_inplace */ |
| 1476 | 0xffff, /* src_mask */ |
| 1477 | 0xffff, /* dst_mask */ |
| 1478 | FALSE), /* pcrel_offset */ |
| 1479 | |
| 1480 | EMPTY_HOWTO (7), |
| 1481 | |
| 1482 | /* 0x08: Non modifiable absolute branch. */ |
| 1483 | HOWTO (R_BA, /* type */ |
| 1484 | 0, /* rightshift */ |
| 1485 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1486 | 26, /* bitsize */ |
| 1487 | FALSE, /* pc_relative */ |
| 1488 | 0, /* bitpos */ |
| 1489 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 1490 | 0, /* special_function */ |
| 1491 | "R_BA_26", /* name */ |
| 1492 | TRUE, /* partial_inplace */ |
| 1493 | 0x03fffffc, /* src_mask */ |
| 1494 | 0x03fffffc, /* dst_mask */ |
| 1495 | FALSE), /* pcrel_offset */ |
| 1496 | |
| 1497 | EMPTY_HOWTO (9), |
| 1498 | |
| 1499 | /* 0x0a: Non modifiable relative branch. */ |
| 1500 | HOWTO (R_BR, /* type */ |
| 1501 | 0, /* rightshift */ |
| 1502 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1503 | 26, /* bitsize */ |
| 1504 | TRUE, /* pc_relative */ |
| 1505 | 0, /* bitpos */ |
| 1506 | complain_overflow_signed, /* complain_on_overflow */ |
| 1507 | 0, /* special_function */ |
| 1508 | "R_BR", /* name */ |
| 1509 | TRUE, /* partial_inplace */ |
| 1510 | 0x03fffffc, /* src_mask */ |
| 1511 | 0x03fffffc, /* dst_mask */ |
| 1512 | FALSE), /* pcrel_offset */ |
| 1513 | |
| 1514 | EMPTY_HOWTO (0xb), |
| 1515 | |
| 1516 | /* 0x0c: Indirect load. */ |
| 1517 | HOWTO (R_RL, /* type */ |
| 1518 | 0, /* rightshift */ |
| 1519 | 1, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1520 | 16, /* bitsize */ |
| 1521 | FALSE, /* pc_relative */ |
| 1522 | 0, /* bitpos */ |
| 1523 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 1524 | 0, /* special_function */ |
| 1525 | "R_RL", /* name */ |
| 1526 | TRUE, /* partial_inplace */ |
| 1527 | 0xffff, /* src_mask */ |
| 1528 | 0xffff, /* dst_mask */ |
| 1529 | FALSE), /* pcrel_offset */ |
| 1530 | |
| 1531 | /* 0x0d: Load address. */ |
| 1532 | HOWTO (R_RLA, /* type */ |
| 1533 | 0, /* rightshift */ |
| 1534 | 1, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1535 | 16, /* bitsize */ |
| 1536 | FALSE, /* pc_relative */ |
| 1537 | 0, /* bitpos */ |
| 1538 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 1539 | 0, /* special_function */ |
| 1540 | "R_RLA", /* name */ |
| 1541 | TRUE, /* partial_inplace */ |
| 1542 | 0xffff, /* src_mask */ |
| 1543 | 0xffff, /* dst_mask */ |
| 1544 | FALSE), /* pcrel_offset */ |
| 1545 | |
| 1546 | EMPTY_HOWTO (0xe), |
| 1547 | |
| 1548 | /* 0x0f: Non-relocating reference. Bitsize is 1 so that r_rsize is 0. */ |
| 1549 | HOWTO (R_REF, /* type */ |
| 1550 | 0, /* rightshift */ |
| 1551 | 0, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1552 | 1, /* bitsize */ |
| 1553 | FALSE, /* pc_relative */ |
| 1554 | 0, /* bitpos */ |
| 1555 | complain_overflow_dont, /* complain_on_overflow */ |
| 1556 | 0, /* special_function */ |
| 1557 | "R_REF", /* name */ |
| 1558 | FALSE, /* partial_inplace */ |
| 1559 | 0, /* src_mask */ |
| 1560 | 0, /* dst_mask */ |
| 1561 | FALSE), /* pcrel_offset */ |
| 1562 | |
| 1563 | EMPTY_HOWTO (0x10), |
| 1564 | EMPTY_HOWTO (0x11), |
| 1565 | |
| 1566 | /* 0x12: TOC relative indirect load. */ |
| 1567 | HOWTO (R_TRL, /* type */ |
| 1568 | 0, /* rightshift */ |
| 1569 | 1, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1570 | 16, /* bitsize */ |
| 1571 | FALSE, /* pc_relative */ |
| 1572 | 0, /* bitpos */ |
| 1573 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 1574 | 0, /* special_function */ |
| 1575 | "R_TRL", /* name */ |
| 1576 | TRUE, /* partial_inplace */ |
| 1577 | 0xffff, /* src_mask */ |
| 1578 | 0xffff, /* dst_mask */ |
| 1579 | FALSE), /* pcrel_offset */ |
| 1580 | |
| 1581 | /* 0x13: TOC relative load address. */ |
| 1582 | HOWTO (R_TRLA, /* type */ |
| 1583 | 0, /* rightshift */ |
| 1584 | 1, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1585 | 16, /* bitsize */ |
| 1586 | FALSE, /* pc_relative */ |
| 1587 | 0, /* bitpos */ |
| 1588 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 1589 | 0, /* special_function */ |
| 1590 | "R_TRLA", /* name */ |
| 1591 | TRUE, /* partial_inplace */ |
| 1592 | 0xffff, /* src_mask */ |
| 1593 | 0xffff, /* dst_mask */ |
| 1594 | FALSE), /* pcrel_offset */ |
| 1595 | |
| 1596 | /* 0x14: Modifiable relative branch. */ |
| 1597 | HOWTO (R_RRTBI, /* type */ |
| 1598 | 1, /* rightshift */ |
| 1599 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1600 | 32, /* bitsize */ |
| 1601 | FALSE, /* pc_relative */ |
| 1602 | 0, /* bitpos */ |
| 1603 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 1604 | 0, /* special_function */ |
| 1605 | "R_RRTBI", /* name */ |
| 1606 | TRUE, /* partial_inplace */ |
| 1607 | 0xffffffff, /* src_mask */ |
| 1608 | 0xffffffff, /* dst_mask */ |
| 1609 | FALSE), /* pcrel_offset */ |
| 1610 | |
| 1611 | /* 0x15: Modifiable absolute branch. */ |
| 1612 | HOWTO (R_RRTBA, /* type */ |
| 1613 | 1, /* rightshift */ |
| 1614 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1615 | 32, /* bitsize */ |
| 1616 | FALSE, /* pc_relative */ |
| 1617 | 0, /* bitpos */ |
| 1618 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 1619 | 0, /* special_function */ |
| 1620 | "R_RRTBA", /* name */ |
| 1621 | TRUE, /* partial_inplace */ |
| 1622 | 0xffffffff, /* src_mask */ |
| 1623 | 0xffffffff, /* dst_mask */ |
| 1624 | FALSE), /* pcrel_offset */ |
| 1625 | |
| 1626 | /* 0x16: Modifiable call absolute indirect. */ |
| 1627 | HOWTO (R_CAI, /* type */ |
| 1628 | 0, /* rightshift */ |
| 1629 | 1, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1630 | 16, /* bitsize */ |
| 1631 | FALSE, /* pc_relative */ |
| 1632 | 0, /* bitpos */ |
| 1633 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 1634 | 0, /* special_function */ |
| 1635 | "R_CAI", /* name */ |
| 1636 | TRUE, /* partial_inplace */ |
| 1637 | 0xffff, /* src_mask */ |
| 1638 | 0xffff, /* dst_mask */ |
| 1639 | FALSE), /* pcrel_offset */ |
| 1640 | |
| 1641 | /* 0x17: Modifiable call relative. */ |
| 1642 | HOWTO (R_CREL, /* type */ |
| 1643 | 0, /* rightshift */ |
| 1644 | 1, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1645 | 16, /* bitsize */ |
| 1646 | FALSE, /* pc_relative */ |
| 1647 | 0, /* bitpos */ |
| 1648 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 1649 | 0, /* special_function */ |
| 1650 | "R_CREL", /* name */ |
| 1651 | TRUE, /* partial_inplace */ |
| 1652 | 0xffff, /* src_mask */ |
| 1653 | 0xffff, /* dst_mask */ |
| 1654 | FALSE), /* pcrel_offset */ |
| 1655 | |
| 1656 | /* 0x18: Modifiable branch absolute. */ |
| 1657 | HOWTO (R_RBA, /* type */ |
| 1658 | 0, /* rightshift */ |
| 1659 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1660 | 26, /* bitsize */ |
| 1661 | FALSE, /* pc_relative */ |
| 1662 | 0, /* bitpos */ |
| 1663 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 1664 | 0, /* special_function */ |
| 1665 | "R_RBA", /* name */ |
| 1666 | TRUE, /* partial_inplace */ |
| 1667 | 0x03fffffc, /* src_mask */ |
| 1668 | 0x03fffffc, /* dst_mask */ |
| 1669 | FALSE), /* pcrel_offset */ |
| 1670 | |
| 1671 | /* 0x19: Modifiable branch absolute. */ |
| 1672 | HOWTO (R_RBAC, /* type */ |
| 1673 | 0, /* rightshift */ |
| 1674 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1675 | 32, /* bitsize */ |
| 1676 | FALSE, /* pc_relative */ |
| 1677 | 0, /* bitpos */ |
| 1678 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 1679 | 0, /* special_function */ |
| 1680 | "R_RBAC", /* name */ |
| 1681 | TRUE, /* partial_inplace */ |
| 1682 | 0xffffffff, /* src_mask */ |
| 1683 | 0xffffffff, /* dst_mask */ |
| 1684 | FALSE), /* pcrel_offset */ |
| 1685 | |
| 1686 | /* 0x1a: Modifiable branch relative. */ |
| 1687 | HOWTO (R_RBR, /* type */ |
| 1688 | 0, /* rightshift */ |
| 1689 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1690 | 26, /* bitsize */ |
| 1691 | FALSE, /* pc_relative */ |
| 1692 | 0, /* bitpos */ |
| 1693 | complain_overflow_signed, /* complain_on_overflow */ |
| 1694 | 0, /* special_function */ |
| 1695 | "R_RBR_26", /* name */ |
| 1696 | TRUE, /* partial_inplace */ |
| 1697 | 0x03fffffc, /* src_mask */ |
| 1698 | 0x03fffffc, /* dst_mask */ |
| 1699 | FALSE), /* pcrel_offset */ |
| 1700 | |
| 1701 | /* 0x1b: Modifiable branch absolute. */ |
| 1702 | HOWTO (R_RBRC, /* type */ |
| 1703 | 0, /* rightshift */ |
| 1704 | 1, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1705 | 16, /* bitsize */ |
| 1706 | FALSE, /* pc_relative */ |
| 1707 | 0, /* bitpos */ |
| 1708 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 1709 | 0, /* special_function */ |
| 1710 | "R_RBRC", /* name */ |
| 1711 | TRUE, /* partial_inplace */ |
| 1712 | 0xffff, /* src_mask */ |
| 1713 | 0xffff, /* dst_mask */ |
| 1714 | FALSE), /* pcrel_offset */ |
| 1715 | |
| 1716 | /* 0x1c: Standard 32 bit relocation. */ |
| 1717 | HOWTO (R_POS, /* type */ |
| 1718 | 0, /* rightshift */ |
| 1719 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1720 | 32, /* bitsize */ |
| 1721 | FALSE, /* pc_relative */ |
| 1722 | 0, /* bitpos */ |
| 1723 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 1724 | 0, /* special_function */ |
| 1725 | "R_POS_32", /* name */ |
| 1726 | TRUE, /* partial_inplace */ |
| 1727 | 0xffffffff, /* src_mask */ |
| 1728 | 0xffffffff, /* dst_mask */ |
| 1729 | FALSE), /* pcrel_offset */ |
| 1730 | |
| 1731 | /* 0x1d: 16 bit Non modifiable absolute branch. */ |
| 1732 | HOWTO (R_BA, /* type */ |
| 1733 | 0, /* rightshift */ |
| 1734 | 1, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1735 | 16, /* bitsize */ |
| 1736 | FALSE, /* pc_relative */ |
| 1737 | 0, /* bitpos */ |
| 1738 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 1739 | 0, /* special_function */ |
| 1740 | "R_BA_16", /* name */ |
| 1741 | TRUE, /* partial_inplace */ |
| 1742 | 0xfffc, /* src_mask */ |
| 1743 | 0xfffc, /* dst_mask */ |
| 1744 | FALSE), /* pcrel_offset */ |
| 1745 | |
| 1746 | /* 0x1e: Modifiable branch relative. */ |
| 1747 | HOWTO (R_RBR, /* type */ |
| 1748 | 0, /* rightshift */ |
| 1749 | 1, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1750 | 16, /* bitsize */ |
| 1751 | TRUE, /* pc_relative */ |
| 1752 | 0, /* bitpos */ |
| 1753 | complain_overflow_signed, /* complain_on_overflow */ |
| 1754 | 0, /* special_function */ |
| 1755 | "R_RBR_16", /* name */ |
| 1756 | TRUE, /* partial_inplace */ |
| 1757 | 0xfffc, /* src_mask */ |
| 1758 | 0xfffc, /* dst_mask */ |
| 1759 | FALSE), /* pcrel_offset */ |
| 1760 | |
| 1761 | /* 0x1f: Modifiable branch absolute. */ |
| 1762 | HOWTO (R_RBA, /* type */ |
| 1763 | 0, /* rightshift */ |
| 1764 | 1, /* size (0 = byte, 1 = short, 2 = long) */ |
| 1765 | 16, /* bitsize */ |
| 1766 | FALSE, /* pc_relative */ |
| 1767 | 0, /* bitpos */ |
| 1768 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 1769 | 0, /* special_function */ |
| 1770 | "R_RBA_16", /* name */ |
| 1771 | TRUE, /* partial_inplace */ |
| 1772 | 0xffff, /* src_mask */ |
| 1773 | 0xffff, /* dst_mask */ |
| 1774 | FALSE), /* pcrel_offset */ |
| 1775 | |
| 1776 | }; |
| 1777 | |
| 1778 | void |
| 1779 | xcoff64_rtype2howto (arelent *relent, struct internal_reloc *internal) |
| 1780 | { |
| 1781 | if (internal->r_type > R_RBRC) |
| 1782 | abort (); |
| 1783 | |
| 1784 | /* Default howto layout works most of the time */ |
| 1785 | relent->howto = &xcoff64_howto_table[internal->r_type]; |
| 1786 | |
| 1787 | /* Special case some 16 bit reloc */ |
| 1788 | if (15 == (internal->r_size & 0x3f)) |
| 1789 | { |
| 1790 | if (R_BA == internal->r_type) |
| 1791 | relent->howto = &xcoff64_howto_table[0x1d]; |
| 1792 | else if (R_RBR == internal->r_type) |
| 1793 | relent->howto = &xcoff64_howto_table[0x1e]; |
| 1794 | else if (R_RBA == internal->r_type) |
| 1795 | relent->howto = &xcoff64_howto_table[0x1f]; |
| 1796 | } |
| 1797 | /* Special case 32 bit */ |
| 1798 | else if (31 == (internal->r_size & 0x3f)) |
| 1799 | { |
| 1800 | if (R_POS == internal->r_type) |
| 1801 | relent->howto = &xcoff64_howto_table[0x1c]; |
| 1802 | } |
| 1803 | |
| 1804 | /* The r_size field of an XCOFF reloc encodes the bitsize of the |
| 1805 | relocation, as well as indicating whether it is signed or not. |
| 1806 | Doublecheck that the relocation information gathered from the |
| 1807 | type matches this information. The bitsize is not significant |
| 1808 | for R_REF relocs. */ |
| 1809 | if (relent->howto->dst_mask != 0 |
| 1810 | && (relent->howto->bitsize |
| 1811 | != ((unsigned int) internal->r_size & 0x3f) + 1)) |
| 1812 | abort (); |
| 1813 | } |
| 1814 | |
| 1815 | reloc_howto_type * |
| 1816 | xcoff64_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, |
| 1817 | bfd_reloc_code_real_type code) |
| 1818 | { |
| 1819 | switch (code) |
| 1820 | { |
| 1821 | case BFD_RELOC_PPC_B26: |
| 1822 | return &xcoff64_howto_table[0xa]; |
| 1823 | case BFD_RELOC_PPC_BA16: |
| 1824 | return &xcoff64_howto_table[0x1d]; |
| 1825 | case BFD_RELOC_PPC_BA26: |
| 1826 | return &xcoff64_howto_table[8]; |
| 1827 | case BFD_RELOC_PPC_TOC16: |
| 1828 | return &xcoff64_howto_table[3]; |
| 1829 | case BFD_RELOC_16: |
| 1830 | /* Note that this relocation is only internally used by gas. */ |
| 1831 | return &xcoff64_howto_table[0xc]; |
| 1832 | case BFD_RELOC_PPC_B16: |
| 1833 | return &xcoff64_howto_table[0x1e]; |
| 1834 | case BFD_RELOC_32: |
| 1835 | case BFD_RELOC_CTOR: |
| 1836 | return &xcoff64_howto_table[0x1c]; |
| 1837 | case BFD_RELOC_64: |
| 1838 | return &xcoff64_howto_table[0]; |
| 1839 | case BFD_RELOC_NONE: |
| 1840 | return &xcoff64_howto_table[0xf]; |
| 1841 | default: |
| 1842 | return NULL; |
| 1843 | } |
| 1844 | } |
| 1845 | |
| 1846 | static reloc_howto_type * |
| 1847 | xcoff64_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, |
| 1848 | const char *r_name) |
| 1849 | { |
| 1850 | unsigned int i; |
| 1851 | |
| 1852 | for (i = 0; |
| 1853 | i < sizeof (xcoff64_howto_table) / sizeof (xcoff64_howto_table[0]); |
| 1854 | i++) |
| 1855 | if (xcoff64_howto_table[i].name != NULL |
| 1856 | && strcasecmp (xcoff64_howto_table[i].name, r_name) == 0) |
| 1857 | return &xcoff64_howto_table[i]; |
| 1858 | |
| 1859 | return NULL; |
| 1860 | } |
| 1861 | |
| 1862 | /* Read in the armap of an XCOFF archive. */ |
| 1863 | |
| 1864 | static bfd_boolean |
| 1865 | xcoff64_slurp_armap (bfd *abfd) |
| 1866 | { |
| 1867 | file_ptr off; |
| 1868 | size_t namlen; |
| 1869 | bfd_size_type sz, amt; |
| 1870 | bfd_byte *contents, *cend; |
| 1871 | bfd_vma c, i; |
| 1872 | carsym *arsym; |
| 1873 | bfd_byte *p; |
| 1874 | file_ptr pos; |
| 1875 | |
| 1876 | /* This is for the new format. */ |
| 1877 | struct xcoff_ar_hdr_big hdr; |
| 1878 | |
| 1879 | if (xcoff_ardata (abfd) == NULL) |
| 1880 | { |
| 1881 | bfd_has_map (abfd) = FALSE; |
| 1882 | return TRUE; |
| 1883 | } |
| 1884 | |
| 1885 | off = bfd_scan_vma (xcoff_ardata_big (abfd)->symoff64, |
| 1886 | (const char **) NULL, 10); |
| 1887 | if (off == 0) |
| 1888 | { |
| 1889 | bfd_has_map (abfd) = FALSE; |
| 1890 | return TRUE; |
| 1891 | } |
| 1892 | |
| 1893 | if (bfd_seek (abfd, off, SEEK_SET) != 0) |
| 1894 | return FALSE; |
| 1895 | |
| 1896 | /* The symbol table starts with a normal archive header. */ |
| 1897 | if (bfd_bread (&hdr, (bfd_size_type) SIZEOF_AR_HDR_BIG, abfd) |
| 1898 | != SIZEOF_AR_HDR_BIG) |
| 1899 | return FALSE; |
| 1900 | |
| 1901 | /* Skip the name (normally empty). */ |
| 1902 | namlen = strtol (hdr.namlen, (char **) NULL, 10); |
| 1903 | pos = ((namlen + 1) & ~(size_t) 1) + SXCOFFARFMAG; |
| 1904 | if (bfd_seek (abfd, pos, SEEK_CUR) != 0) |
| 1905 | return FALSE; |
| 1906 | |
| 1907 | sz = bfd_scan_vma (hdr.size, (const char **) NULL, 10); |
| 1908 | |
| 1909 | /* Read in the entire symbol table. */ |
| 1910 | contents = (bfd_byte *) bfd_alloc (abfd, sz); |
| 1911 | if (contents == NULL) |
| 1912 | return FALSE; |
| 1913 | if (bfd_bread (contents, sz, abfd) != sz) |
| 1914 | return FALSE; |
| 1915 | |
| 1916 | /* The symbol table starts with an eight byte count. */ |
| 1917 | c = H_GET_64 (abfd, contents); |
| 1918 | |
| 1919 | if (c * 8 >= sz) |
| 1920 | { |
| 1921 | bfd_set_error (bfd_error_bad_value); |
| 1922 | return FALSE; |
| 1923 | } |
| 1924 | amt = c; |
| 1925 | amt *= sizeof (carsym); |
| 1926 | bfd_ardata (abfd)->symdefs = (carsym *) bfd_alloc (abfd, amt); |
| 1927 | if (bfd_ardata (abfd)->symdefs == NULL) |
| 1928 | return FALSE; |
| 1929 | |
| 1930 | /* After the count comes a list of eight byte file offsets. */ |
| 1931 | for (i = 0, arsym = bfd_ardata (abfd)->symdefs, p = contents + 8; |
| 1932 | i < c; |
| 1933 | ++i, ++arsym, p += 8) |
| 1934 | arsym->file_offset = H_GET_64 (abfd, p); |
| 1935 | |
| 1936 | /* After the file offsets come null terminated symbol names. */ |
| 1937 | cend = contents + sz; |
| 1938 | for (i = 0, arsym = bfd_ardata (abfd)->symdefs; |
| 1939 | i < c; |
| 1940 | ++i, ++arsym, p += strlen ((char *) p) + 1) |
| 1941 | { |
| 1942 | if (p >= cend) |
| 1943 | { |
| 1944 | bfd_set_error (bfd_error_bad_value); |
| 1945 | return FALSE; |
| 1946 | } |
| 1947 | arsym->name = (char *) p; |
| 1948 | } |
| 1949 | |
| 1950 | bfd_ardata (abfd)->symdef_count = c; |
| 1951 | bfd_has_map (abfd) = TRUE; |
| 1952 | |
| 1953 | return TRUE; |
| 1954 | } |
| 1955 | |
| 1956 | |
| 1957 | /* See if this is an NEW XCOFF archive. */ |
| 1958 | |
| 1959 | static const bfd_target * |
| 1960 | xcoff64_archive_p (bfd *abfd) |
| 1961 | { |
| 1962 | struct artdata *tdata_hold; |
| 1963 | char magic[SXCOFFARMAG]; |
| 1964 | /* This is the new format. */ |
| 1965 | struct xcoff_ar_file_hdr_big hdr; |
| 1966 | bfd_size_type amt = SXCOFFARMAG; |
| 1967 | |
| 1968 | if (bfd_bread (magic, amt, abfd) != amt) |
| 1969 | { |
| 1970 | if (bfd_get_error () != bfd_error_system_call) |
| 1971 | bfd_set_error (bfd_error_wrong_format); |
| 1972 | return NULL; |
| 1973 | } |
| 1974 | |
| 1975 | if (strncmp (magic, XCOFFARMAGBIG, SXCOFFARMAG) != 0) |
| 1976 | { |
| 1977 | bfd_set_error (bfd_error_wrong_format); |
| 1978 | return NULL; |
| 1979 | } |
| 1980 | |
| 1981 | /* Copy over the magic string. */ |
| 1982 | memcpy (hdr.magic, magic, SXCOFFARMAG); |
| 1983 | |
| 1984 | /* Now read the rest of the file header. */ |
| 1985 | amt = SIZEOF_AR_FILE_HDR_BIG - SXCOFFARMAG; |
| 1986 | if (bfd_bread (&hdr.memoff, amt, abfd) != amt) |
| 1987 | { |
| 1988 | if (bfd_get_error () != bfd_error_system_call) |
| 1989 | bfd_set_error (bfd_error_wrong_format); |
| 1990 | return NULL; |
| 1991 | } |
| 1992 | |
| 1993 | tdata_hold = bfd_ardata (abfd); |
| 1994 | |
| 1995 | amt = sizeof (struct artdata); |
| 1996 | bfd_ardata (abfd) = (struct artdata *) bfd_zalloc (abfd, amt); |
| 1997 | if (bfd_ardata (abfd) == (struct artdata *) NULL) |
| 1998 | goto error_ret_restore; |
| 1999 | |
| 2000 | /* Already cleared by bfd_zalloc above. |
| 2001 | bfd_ardata (abfd)->cache = NULL; |
| 2002 | bfd_ardata (abfd)->archive_head = NULL; |
| 2003 | bfd_ardata (abfd)->symdefs = NULL; |
| 2004 | bfd_ardata (abfd)->extended_names = NULL; |
| 2005 | bfd_ardata (abfd)->extended_names_size = 0; */ |
| 2006 | bfd_ardata (abfd)->first_file_filepos = bfd_scan_vma (hdr.firstmemoff, |
| 2007 | (const char **) NULL, |
| 2008 | 10); |
| 2009 | |
| 2010 | amt = SIZEOF_AR_FILE_HDR_BIG; |
| 2011 | bfd_ardata (abfd)->tdata = bfd_zalloc (abfd, amt); |
| 2012 | if (bfd_ardata (abfd)->tdata == NULL) |
| 2013 | goto error_ret; |
| 2014 | |
| 2015 | memcpy (bfd_ardata (abfd)->tdata, &hdr, SIZEOF_AR_FILE_HDR_BIG); |
| 2016 | |
| 2017 | if (! xcoff64_slurp_armap (abfd)) |
| 2018 | { |
| 2019 | error_ret: |
| 2020 | bfd_release (abfd, bfd_ardata (abfd)); |
| 2021 | error_ret_restore: |
| 2022 | bfd_ardata (abfd) = tdata_hold; |
| 2023 | return NULL; |
| 2024 | } |
| 2025 | |
| 2026 | return abfd->xvec; |
| 2027 | } |
| 2028 | |
| 2029 | |
| 2030 | /* Open the next element in an XCOFF archive. */ |
| 2031 | |
| 2032 | static bfd * |
| 2033 | xcoff64_openr_next_archived_file (bfd *archive, bfd *last_file) |
| 2034 | { |
| 2035 | bfd_vma filestart; |
| 2036 | |
| 2037 | if ((xcoff_ardata (archive) == NULL) |
| 2038 | || ! xcoff_big_format_p (archive)) |
| 2039 | { |
| 2040 | bfd_set_error (bfd_error_invalid_operation); |
| 2041 | return NULL; |
| 2042 | } |
| 2043 | |
| 2044 | if (last_file == NULL) |
| 2045 | { |
| 2046 | filestart = bfd_ardata (archive)->first_file_filepos; |
| 2047 | } |
| 2048 | else |
| 2049 | { |
| 2050 | filestart = bfd_scan_vma (arch_xhdr_big (last_file)->nextoff, |
| 2051 | (const char **) NULL, 10); |
| 2052 | } |
| 2053 | |
| 2054 | if (filestart == 0 |
| 2055 | || filestart == bfd_scan_vma (xcoff_ardata_big (archive)->memoff, |
| 2056 | (const char **) NULL, 10) |
| 2057 | || filestart == bfd_scan_vma (xcoff_ardata_big (archive)->symoff, |
| 2058 | (const char **) NULL, 10)) |
| 2059 | { |
| 2060 | bfd_set_error (bfd_error_no_more_archived_files); |
| 2061 | return NULL; |
| 2062 | } |
| 2063 | |
| 2064 | return _bfd_get_elt_at_filepos (archive, (file_ptr) filestart); |
| 2065 | } |
| 2066 | |
| 2067 | /* We can't use the usual coff_sizeof_headers routine, because AIX |
| 2068 | always uses an a.out header. */ |
| 2069 | |
| 2070 | static int |
| 2071 | xcoff64_sizeof_headers (bfd *abfd, |
| 2072 | struct bfd_link_info *info ATTRIBUTE_UNUSED) |
| 2073 | { |
| 2074 | int size; |
| 2075 | |
| 2076 | size = bfd_coff_filhsz (abfd); |
| 2077 | |
| 2078 | /* Don't think the small aout header can be used since some of the |
| 2079 | old elements have been reordered past the end of the old coff |
| 2080 | small aout size. */ |
| 2081 | |
| 2082 | if (xcoff_data (abfd)->full_aouthdr) |
| 2083 | size += bfd_coff_aoutsz (abfd); |
| 2084 | |
| 2085 | size += abfd->section_count * bfd_coff_scnhsz (abfd); |
| 2086 | return size; |
| 2087 | } |
| 2088 | |
| 2089 | static asection * |
| 2090 | xcoff64_create_csect_from_smclas (bfd *abfd, union internal_auxent *aux, |
| 2091 | const char *symbol_name) |
| 2092 | { |
| 2093 | asection *return_value = NULL; |
| 2094 | |
| 2095 | /* Changes from 32 : |
| 2096 | .sv == 8, is only for 32 bit programs |
| 2097 | .ti == 12 and .tb == 13 are now reserved. */ |
| 2098 | static const char *names[19] = |
| 2099 | { |
| 2100 | ".pr", ".ro", ".db", ".tc", ".ua", ".rw", ".gl", ".xo", |
| 2101 | NULL, ".bs", ".ds", ".uc", NULL, NULL, NULL, ".tc0", |
| 2102 | ".td", ".sv64", ".sv3264" |
| 2103 | }; |
| 2104 | |
| 2105 | if ((19 >= aux->x_csect.x_smclas) |
| 2106 | && (NULL != names[aux->x_csect.x_smclas])) |
| 2107 | { |
| 2108 | |
| 2109 | return_value = bfd_make_section_anyway |
| 2110 | (abfd, names[aux->x_csect.x_smclas]); |
| 2111 | |
| 2112 | } |
| 2113 | else |
| 2114 | { |
| 2115 | (*_bfd_error_handler) |
| 2116 | (_("%B: symbol `%s' has unrecognized smclas %d"), |
| 2117 | abfd, symbol_name, aux->x_csect.x_smclas); |
| 2118 | bfd_set_error (bfd_error_bad_value); |
| 2119 | } |
| 2120 | |
| 2121 | return return_value; |
| 2122 | } |
| 2123 | |
| 2124 | static bfd_boolean |
| 2125 | xcoff64_is_lineno_count_overflow (bfd *abfd ATTRIBUTE_UNUSED, |
| 2126 | bfd_vma value ATTRIBUTE_UNUSED) |
| 2127 | { |
| 2128 | return FALSE; |
| 2129 | } |
| 2130 | |
| 2131 | static bfd_boolean |
| 2132 | xcoff64_is_reloc_count_overflow (bfd *abfd ATTRIBUTE_UNUSED, |
| 2133 | bfd_vma value ATTRIBUTE_UNUSED) |
| 2134 | { |
| 2135 | return FALSE; |
| 2136 | } |
| 2137 | |
| 2138 | static bfd_vma |
| 2139 | xcoff64_loader_symbol_offset (bfd *abfd ATTRIBUTE_UNUSED, |
| 2140 | struct internal_ldhdr *ldhdr) |
| 2141 | { |
| 2142 | return (ldhdr->l_symoff); |
| 2143 | } |
| 2144 | |
| 2145 | static bfd_vma |
| 2146 | xcoff64_loader_reloc_offset (bfd *abfd ATTRIBUTE_UNUSED, |
| 2147 | struct internal_ldhdr *ldhdr) |
| 2148 | { |
| 2149 | return (ldhdr->l_rldoff); |
| 2150 | } |
| 2151 | |
| 2152 | static bfd_boolean |
| 2153 | xcoff64_bad_format_hook (bfd * abfd, void *filehdr) |
| 2154 | { |
| 2155 | struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr; |
| 2156 | |
| 2157 | /* Check flavor first. */ |
| 2158 | if (bfd_get_flavour (abfd) != bfd_target_xcoff_flavour) |
| 2159 | return FALSE; |
| 2160 | |
| 2161 | if (bfd_xcoff_magic_number (abfd) != internal_f->f_magic) |
| 2162 | return FALSE; |
| 2163 | |
| 2164 | return TRUE; |
| 2165 | } |
| 2166 | |
| 2167 | static bfd_boolean |
| 2168 | xcoff64_generate_rtinit (bfd *abfd, const char *init, const char *fini, |
| 2169 | bfd_boolean rtld) |
| 2170 | { |
| 2171 | bfd_byte filehdr_ext[FILHSZ]; |
| 2172 | bfd_byte scnhdr_ext[SCNHSZ * 3]; |
| 2173 | bfd_byte syment_ext[SYMESZ * 10]; |
| 2174 | bfd_byte reloc_ext[RELSZ * 3]; |
| 2175 | bfd_byte *data_buffer; |
| 2176 | bfd_size_type data_buffer_size; |
| 2177 | bfd_byte *string_table, *st_tmp; |
| 2178 | bfd_size_type string_table_size; |
| 2179 | bfd_vma val; |
| 2180 | size_t initsz, finisz; |
| 2181 | struct internal_filehdr filehdr; |
| 2182 | struct internal_scnhdr text_scnhdr; |
| 2183 | struct internal_scnhdr data_scnhdr; |
| 2184 | struct internal_scnhdr bss_scnhdr; |
| 2185 | struct internal_syment syment; |
| 2186 | union internal_auxent auxent; |
| 2187 | struct internal_reloc reloc; |
| 2188 | |
| 2189 | char *text_name = ".text"; |
| 2190 | char *data_name = ".data"; |
| 2191 | char *bss_name = ".bss"; |
| 2192 | char *rtinit_name = "__rtinit"; |
| 2193 | char *rtld_name = "__rtld"; |
| 2194 | |
| 2195 | if (! bfd_xcoff_rtinit_size (abfd)) |
| 2196 | return FALSE; |
| 2197 | |
| 2198 | initsz = (init == NULL ? 0 : 1 + strlen (init)); |
| 2199 | finisz = (fini == NULL ? 0 : 1 + strlen (fini)); |
| 2200 | |
| 2201 | /* File header. */ |
| 2202 | memset (filehdr_ext, 0, FILHSZ); |
| 2203 | memset (&filehdr, 0, sizeof (struct internal_filehdr)); |
| 2204 | filehdr.f_magic = bfd_xcoff_magic_number (abfd); |
| 2205 | filehdr.f_nscns = 3; |
| 2206 | filehdr.f_timdat = 0; |
| 2207 | filehdr.f_nsyms = 0; /* at least 6, no more than 8 */ |
| 2208 | filehdr.f_symptr = 0; /* set below */ |
| 2209 | filehdr.f_opthdr = 0; |
| 2210 | filehdr.f_flags = 0; |
| 2211 | |
| 2212 | /* Section headers. */ |
| 2213 | memset (scnhdr_ext, 0, 3 * SCNHSZ); |
| 2214 | |
| 2215 | /* Text. */ |
| 2216 | memset (&text_scnhdr, 0, sizeof (struct internal_scnhdr)); |
| 2217 | memcpy (text_scnhdr.s_name, text_name, strlen (text_name)); |
| 2218 | text_scnhdr.s_paddr = 0; |
| 2219 | text_scnhdr.s_vaddr = 0; |
| 2220 | text_scnhdr.s_size = 0; |
| 2221 | text_scnhdr.s_scnptr = 0; |
| 2222 | text_scnhdr.s_relptr = 0; |
| 2223 | text_scnhdr.s_lnnoptr = 0; |
| 2224 | text_scnhdr.s_nreloc = 0; |
| 2225 | text_scnhdr.s_nlnno = 0; |
| 2226 | text_scnhdr.s_flags = STYP_TEXT; |
| 2227 | |
| 2228 | /* Data. */ |
| 2229 | memset (&data_scnhdr, 0, sizeof (struct internal_scnhdr)); |
| 2230 | memcpy (data_scnhdr.s_name, data_name, strlen (data_name)); |
| 2231 | data_scnhdr.s_paddr = 0; |
| 2232 | data_scnhdr.s_vaddr = 0; |
| 2233 | data_scnhdr.s_size = 0; /* set below */ |
| 2234 | data_scnhdr.s_scnptr = FILHSZ + 3 * SCNHSZ; |
| 2235 | data_scnhdr.s_relptr = 0; /* set below */ |
| 2236 | data_scnhdr.s_lnnoptr = 0; |
| 2237 | data_scnhdr.s_nreloc = 0; /* either 1 or 2 */ |
| 2238 | data_scnhdr.s_nlnno = 0; |
| 2239 | data_scnhdr.s_flags = STYP_DATA; |
| 2240 | |
| 2241 | /* Bss. */ |
| 2242 | memset (&bss_scnhdr, 0, sizeof (struct internal_scnhdr)); |
| 2243 | memcpy (bss_scnhdr.s_name, bss_name, strlen (bss_name)); |
| 2244 | bss_scnhdr.s_paddr = 0; /* set below */ |
| 2245 | bss_scnhdr.s_vaddr = 0; /* set below */ |
| 2246 | bss_scnhdr.s_size = 0; /* set below */ |
| 2247 | bss_scnhdr.s_scnptr = 0; |
| 2248 | bss_scnhdr.s_relptr = 0; |
| 2249 | bss_scnhdr.s_lnnoptr = 0; |
| 2250 | bss_scnhdr.s_nreloc = 0; |
| 2251 | bss_scnhdr.s_nlnno = 0; |
| 2252 | bss_scnhdr.s_flags = STYP_BSS; |
| 2253 | |
| 2254 | /* .data |
| 2255 | 0x0000 0x00000000 : rtl |
| 2256 | 0x0004 0x00000000 : |
| 2257 | 0x0008 0x00000018 : offset to init, or 0 |
| 2258 | 0x000C 0x00000038 : offset to fini, or 0 |
| 2259 | 0x0010 0x00000010 : size of descriptor |
| 2260 | 0x0014 0x00000000 : pad |
| 2261 | 0x0018 0x00000000 : init, needs a reloc |
| 2262 | 0x001C 0x00000000 : |
| 2263 | 0x0020 0x00000058 : offset to init name |
| 2264 | 0x0024 0x00000000 : flags, padded to a word |
| 2265 | 0x0028 0x00000000 : empty init |
| 2266 | 0x002C 0x00000000 : |
| 2267 | 0x0030 0x00000000 : |
| 2268 | 0x0034 0x00000000 : |
| 2269 | 0x0038 0x00000000 : fini, needs a reloc |
| 2270 | 0x003C 0x00000000 : |
| 2271 | 0x0040 0x00000??? : offset to fini name |
| 2272 | 0x0044 0x00000000 : flags, padded to a word |
| 2273 | 0x0048 0x00000000 : empty fini |
| 2274 | 0x004C 0x00000000 : |
| 2275 | 0x0050 0x00000000 : |
| 2276 | 0x0054 0x00000000 : |
| 2277 | 0x0058 init name |
| 2278 | 0x0058 + initsz fini name */ |
| 2279 | |
| 2280 | data_buffer_size = 0x0058 + initsz + finisz; |
| 2281 | data_buffer_size = (data_buffer_size + 7) &~ (bfd_size_type) 7; |
| 2282 | data_buffer = NULL; |
| 2283 | data_buffer = (bfd_byte *) bfd_zmalloc (data_buffer_size); |
| 2284 | if (data_buffer == NULL) |
| 2285 | return FALSE; |
| 2286 | |
| 2287 | if (initsz) |
| 2288 | { |
| 2289 | val = 0x18; |
| 2290 | bfd_put_32 (abfd, val, &data_buffer[0x08]); |
| 2291 | val = 0x58; |
| 2292 | bfd_put_32 (abfd, val, &data_buffer[0x20]); |
| 2293 | memcpy (&data_buffer[val], init, initsz); |
| 2294 | } |
| 2295 | |
| 2296 | if (finisz) |
| 2297 | { |
| 2298 | val = 0x38; |
| 2299 | bfd_put_32 (abfd, val, &data_buffer[0x0C]); |
| 2300 | val = 0x58 + initsz; |
| 2301 | bfd_put_32 (abfd, val, &data_buffer[0x40]); |
| 2302 | memcpy (&data_buffer[val], fini, finisz); |
| 2303 | } |
| 2304 | |
| 2305 | val = 0x10; |
| 2306 | bfd_put_32 (abfd, val, &data_buffer[0x10]); |
| 2307 | data_scnhdr.s_size = data_buffer_size; |
| 2308 | bss_scnhdr.s_paddr = bss_scnhdr.s_vaddr = data_scnhdr.s_size; |
| 2309 | |
| 2310 | /* String table. */ |
| 2311 | string_table_size = 4; |
| 2312 | string_table_size += strlen (data_name) + 1; |
| 2313 | string_table_size += strlen (rtinit_name) + 1; |
| 2314 | string_table_size += initsz; |
| 2315 | string_table_size += finisz; |
| 2316 | if (rtld) |
| 2317 | string_table_size += strlen (rtld_name) + 1; |
| 2318 | |
| 2319 | string_table = (bfd_byte *) bfd_zmalloc (string_table_size); |
| 2320 | if (string_table == NULL) |
| 2321 | return FALSE; |
| 2322 | |
| 2323 | val = string_table_size; |
| 2324 | bfd_put_32 (abfd, val, &string_table[0]); |
| 2325 | st_tmp = string_table + 4; |
| 2326 | |
| 2327 | /* symbols |
| 2328 | 0. .data csect |
| 2329 | 2. __rtinit |
| 2330 | 4. init function |
| 2331 | 6. fini function |
| 2332 | 8. __rtld */ |
| 2333 | memset (syment_ext, 0, 10 * SYMESZ); |
| 2334 | memset (reloc_ext, 0, 3 * RELSZ); |
| 2335 | |
| 2336 | /* .data csect */ |
| 2337 | memset (&syment, 0, sizeof (struct internal_syment)); |
| 2338 | memset (&auxent, 0, sizeof (union internal_auxent)); |
| 2339 | |
| 2340 | syment._n._n_n._n_offset = st_tmp - string_table; |
| 2341 | memcpy (st_tmp, data_name, strlen (data_name)); |
| 2342 | st_tmp += strlen (data_name) + 1; |
| 2343 | |
| 2344 | syment.n_scnum = 2; |
| 2345 | syment.n_sclass = C_HIDEXT; |
| 2346 | syment.n_numaux = 1; |
| 2347 | auxent.x_csect.x_scnlen.l = data_buffer_size; |
| 2348 | auxent.x_csect.x_smtyp = 3 << 3 | XTY_SD; |
| 2349 | auxent.x_csect.x_smclas = XMC_RW; |
| 2350 | bfd_coff_swap_sym_out (abfd, &syment, |
| 2351 | &syment_ext[filehdr.f_nsyms * SYMESZ]); |
| 2352 | bfd_coff_swap_aux_out (abfd, &auxent, syment.n_type, syment.n_sclass, 0, |
| 2353 | syment.n_numaux, |
| 2354 | &syment_ext[(filehdr.f_nsyms + 1) * SYMESZ]); |
| 2355 | filehdr.f_nsyms += 2; |
| 2356 | |
| 2357 | /* __rtinit */ |
| 2358 | memset (&syment, 0, sizeof (struct internal_syment)); |
| 2359 | memset (&auxent, 0, sizeof (union internal_auxent)); |
| 2360 | syment._n._n_n._n_offset = st_tmp - string_table; |
| 2361 | memcpy (st_tmp, rtinit_name, strlen (rtinit_name)); |
| 2362 | st_tmp += strlen (rtinit_name) + 1; |
| 2363 | |
| 2364 | syment.n_scnum = 2; |
| 2365 | syment.n_sclass = C_EXT; |
| 2366 | syment.n_numaux = 1; |
| 2367 | auxent.x_csect.x_smtyp = XTY_LD; |
| 2368 | auxent.x_csect.x_smclas = XMC_RW; |
| 2369 | bfd_coff_swap_sym_out (abfd, &syment, |
| 2370 | &syment_ext[filehdr.f_nsyms * SYMESZ]); |
| 2371 | bfd_coff_swap_aux_out (abfd, &auxent, syment.n_type, syment.n_sclass, 0, |
| 2372 | syment.n_numaux, |
| 2373 | &syment_ext[(filehdr.f_nsyms + 1) * SYMESZ]); |
| 2374 | filehdr.f_nsyms += 2; |
| 2375 | |
| 2376 | /* Init. */ |
| 2377 | if (initsz) |
| 2378 | { |
| 2379 | memset (&syment, 0, sizeof (struct internal_syment)); |
| 2380 | memset (&auxent, 0, sizeof (union internal_auxent)); |
| 2381 | |
| 2382 | syment._n._n_n._n_offset = st_tmp - string_table; |
| 2383 | memcpy (st_tmp, init, initsz); |
| 2384 | st_tmp += initsz; |
| 2385 | |
| 2386 | syment.n_sclass = C_EXT; |
| 2387 | syment.n_numaux = 1; |
| 2388 | bfd_coff_swap_sym_out (abfd, &syment, |
| 2389 | &syment_ext[filehdr.f_nsyms * SYMESZ]); |
| 2390 | bfd_coff_swap_aux_out (abfd, &auxent, syment.n_type, syment.n_sclass, 0, |
| 2391 | syment.n_numaux, |
| 2392 | &syment_ext[(filehdr.f_nsyms + 1) * SYMESZ]); |
| 2393 | /* Reloc. */ |
| 2394 | memset (&reloc, 0, sizeof (struct internal_reloc)); |
| 2395 | reloc.r_vaddr = 0x0018; |
| 2396 | reloc.r_symndx = filehdr.f_nsyms; |
| 2397 | reloc.r_type = R_POS; |
| 2398 | reloc.r_size = 63; |
| 2399 | bfd_coff_swap_reloc_out (abfd, &reloc, &reloc_ext[0]); |
| 2400 | |
| 2401 | filehdr.f_nsyms += 2; |
| 2402 | data_scnhdr.s_nreloc += 1; |
| 2403 | } |
| 2404 | |
| 2405 | /* Finit. */ |
| 2406 | if (finisz) |
| 2407 | { |
| 2408 | memset (&syment, 0, sizeof (struct internal_syment)); |
| 2409 | memset (&auxent, 0, sizeof (union internal_auxent)); |
| 2410 | |
| 2411 | syment._n._n_n._n_offset = st_tmp - string_table; |
| 2412 | memcpy (st_tmp, fini, finisz); |
| 2413 | st_tmp += finisz; |
| 2414 | |
| 2415 | syment.n_sclass = C_EXT; |
| 2416 | syment.n_numaux = 1; |
| 2417 | bfd_coff_swap_sym_out (abfd, &syment, |
| 2418 | &syment_ext[filehdr.f_nsyms * SYMESZ]); |
| 2419 | bfd_coff_swap_aux_out (abfd, &auxent, syment.n_type, syment.n_sclass, 0, |
| 2420 | syment.n_numaux, |
| 2421 | &syment_ext[(filehdr.f_nsyms + 1) * SYMESZ]); |
| 2422 | |
| 2423 | /* Reloc. */ |
| 2424 | memset (&reloc, 0, sizeof (struct internal_reloc)); |
| 2425 | reloc.r_vaddr = 0x0038; |
| 2426 | reloc.r_symndx = filehdr.f_nsyms; |
| 2427 | reloc.r_type = R_POS; |
| 2428 | reloc.r_size = 63; |
| 2429 | bfd_coff_swap_reloc_out (abfd, &reloc, |
| 2430 | &reloc_ext[data_scnhdr.s_nreloc * RELSZ]); |
| 2431 | |
| 2432 | filehdr.f_nsyms += 2; |
| 2433 | data_scnhdr.s_nreloc += 1; |
| 2434 | } |
| 2435 | |
| 2436 | if (rtld) |
| 2437 | { |
| 2438 | memset (&syment, 0, sizeof (struct internal_syment)); |
| 2439 | memset (&auxent, 0, sizeof (union internal_auxent)); |
| 2440 | |
| 2441 | syment._n._n_n._n_offset = st_tmp - string_table; |
| 2442 | memcpy (st_tmp, rtld_name, strlen (rtld_name)); |
| 2443 | st_tmp += strlen (rtld_name) + 1; |
| 2444 | |
| 2445 | syment.n_sclass = C_EXT; |
| 2446 | syment.n_numaux = 1; |
| 2447 | bfd_coff_swap_sym_out (abfd, &syment, |
| 2448 | &syment_ext[filehdr.f_nsyms * SYMESZ]); |
| 2449 | bfd_coff_swap_aux_out (abfd, &auxent, syment.n_type, syment.n_sclass, 0, |
| 2450 | syment.n_numaux, |
| 2451 | &syment_ext[(filehdr.f_nsyms + 1) * SYMESZ]); |
| 2452 | |
| 2453 | /* Reloc. */ |
| 2454 | memset (&reloc, 0, sizeof (struct internal_reloc)); |
| 2455 | reloc.r_vaddr = 0x0000; |
| 2456 | reloc.r_symndx = filehdr.f_nsyms; |
| 2457 | reloc.r_type = R_POS; |
| 2458 | reloc.r_size = 63; |
| 2459 | bfd_coff_swap_reloc_out (abfd, &reloc, |
| 2460 | &reloc_ext[data_scnhdr.s_nreloc * RELSZ]); |
| 2461 | |
| 2462 | filehdr.f_nsyms += 2; |
| 2463 | data_scnhdr.s_nreloc += 1; |
| 2464 | |
| 2465 | bss_scnhdr.s_size = 0; |
| 2466 | } |
| 2467 | |
| 2468 | data_scnhdr.s_relptr = data_scnhdr.s_scnptr + data_buffer_size; |
| 2469 | filehdr.f_symptr = data_scnhdr.s_relptr + data_scnhdr.s_nreloc * RELSZ; |
| 2470 | |
| 2471 | bfd_coff_swap_filehdr_out (abfd, &filehdr, filehdr_ext); |
| 2472 | bfd_bwrite (filehdr_ext, FILHSZ, abfd); |
| 2473 | bfd_coff_swap_scnhdr_out (abfd, &text_scnhdr, &scnhdr_ext[SCNHSZ * 0]); |
| 2474 | bfd_coff_swap_scnhdr_out (abfd, &data_scnhdr, &scnhdr_ext[SCNHSZ * 1]); |
| 2475 | bfd_coff_swap_scnhdr_out (abfd, &bss_scnhdr, &scnhdr_ext[SCNHSZ * 2]); |
| 2476 | bfd_bwrite (scnhdr_ext, 3 * SCNHSZ, abfd); |
| 2477 | bfd_bwrite (data_buffer, data_buffer_size, abfd); |
| 2478 | bfd_bwrite (reloc_ext, data_scnhdr.s_nreloc * RELSZ, abfd); |
| 2479 | bfd_bwrite (syment_ext, filehdr.f_nsyms * SYMESZ, abfd); |
| 2480 | bfd_bwrite (string_table, string_table_size, abfd); |
| 2481 | |
| 2482 | free (data_buffer); |
| 2483 | data_buffer = NULL; |
| 2484 | |
| 2485 | return TRUE; |
| 2486 | } |
| 2487 | |
| 2488 | /* The typical dynamic reloc. */ |
| 2489 | |
| 2490 | static reloc_howto_type xcoff64_dynamic_reloc = |
| 2491 | HOWTO (0, /* type */ |
| 2492 | 0, /* rightshift */ |
| 2493 | 4, /* size (0 = byte, 1 = short, 2 = long) */ |
| 2494 | 64, /* bitsize */ |
| 2495 | FALSE, /* pc_relative */ |
| 2496 | 0, /* bitpos */ |
| 2497 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 2498 | 0, /* special_function */ |
| 2499 | "R_POS", /* name */ |
| 2500 | TRUE, /* partial_inplace */ |
| 2501 | MINUS_ONE, /* src_mask */ |
| 2502 | MINUS_ONE, /* dst_mask */ |
| 2503 | FALSE); /* pcrel_offset */ |
| 2504 | |
| 2505 | static unsigned long xcoff64_glink_code[10] = |
| 2506 | { |
| 2507 | 0xe9820000, /* ld r12,0(r2) */ |
| 2508 | 0xf8410028, /* std r2,40(r1) */ |
| 2509 | 0xe80c0000, /* ld r0,0(r12) */ |
| 2510 | 0xe84c0008, /* ld r0,8(r12) */ |
| 2511 | 0x7c0903a6, /* mtctr r0 */ |
| 2512 | 0x4e800420, /* bctr */ |
| 2513 | 0x00000000, /* start of traceback table */ |
| 2514 | 0x000ca000, /* traceback table */ |
| 2515 | 0x00000000, /* traceback table */ |
| 2516 | 0x00000018, /* ??? */ |
| 2517 | }; |
| 2518 | |
| 2519 | static const struct xcoff_backend_data_rec bfd_xcoff_backend_data = |
| 2520 | { |
| 2521 | { /* COFF backend, defined in libcoff.h. */ |
| 2522 | _bfd_xcoff64_swap_aux_in, |
| 2523 | _bfd_xcoff64_swap_sym_in, |
| 2524 | _bfd_xcoff64_swap_lineno_in, |
| 2525 | _bfd_xcoff64_swap_aux_out, |
| 2526 | _bfd_xcoff64_swap_sym_out, |
| 2527 | _bfd_xcoff64_swap_lineno_out, |
| 2528 | xcoff64_swap_reloc_out, |
| 2529 | coff_swap_filehdr_out, |
| 2530 | coff_swap_aouthdr_out, |
| 2531 | coff_swap_scnhdr_out, |
| 2532 | FILHSZ, |
| 2533 | AOUTSZ, |
| 2534 | SCNHSZ, |
| 2535 | SYMESZ, |
| 2536 | AUXESZ, |
| 2537 | RELSZ, |
| 2538 | LINESZ, |
| 2539 | FILNMLEN, |
| 2540 | TRUE, /* _bfd_coff_long_filenames */ |
| 2541 | XCOFF_NO_LONG_SECTION_NAMES, /* _bfd_coff_long_section_names */ |
| 2542 | 3, /* _bfd_coff_default_section_alignment_power */ |
| 2543 | TRUE, /* _bfd_coff_force_symnames_in_strings */ |
| 2544 | 4, /* _bfd_coff_debug_string_prefix_length */ |
| 2545 | 32768, /* _bfd_coff_max_nscns */ |
| 2546 | coff_swap_filehdr_in, |
| 2547 | coff_swap_aouthdr_in, |
| 2548 | coff_swap_scnhdr_in, |
| 2549 | xcoff64_swap_reloc_in, |
| 2550 | xcoff64_bad_format_hook, |
| 2551 | coff_set_arch_mach_hook, |
| 2552 | coff_mkobject_hook, |
| 2553 | styp_to_sec_flags, |
| 2554 | coff_set_alignment_hook, |
| 2555 | coff_slurp_symbol_table, |
| 2556 | symname_in_debug_hook, |
| 2557 | coff_pointerize_aux_hook, |
| 2558 | coff_print_aux, |
| 2559 | dummy_reloc16_extra_cases, |
| 2560 | dummy_reloc16_estimate, |
| 2561 | NULL, /* bfd_coff_symbol_classification */ |
| 2562 | coff_compute_section_file_positions, |
| 2563 | NULL, /* _bfd_coff_start_final_link */ |
| 2564 | xcoff64_ppc_relocate_section, |
| 2565 | coff_rtype_to_howto, |
| 2566 | NULL, /* _bfd_coff_adjust_symndx */ |
| 2567 | _bfd_generic_link_add_one_symbol, |
| 2568 | coff_link_output_has_begun, |
| 2569 | coff_final_link_postscript, |
| 2570 | NULL /* print_pdata. */ |
| 2571 | }, |
| 2572 | |
| 2573 | 0x01EF, /* magic number */ |
| 2574 | bfd_arch_powerpc, |
| 2575 | bfd_mach_ppc_620, |
| 2576 | |
| 2577 | /* Function pointers to xcoff specific swap routines. */ |
| 2578 | xcoff64_swap_ldhdr_in, |
| 2579 | xcoff64_swap_ldhdr_out, |
| 2580 | xcoff64_swap_ldsym_in, |
| 2581 | xcoff64_swap_ldsym_out, |
| 2582 | xcoff64_swap_ldrel_in, |
| 2583 | xcoff64_swap_ldrel_out, |
| 2584 | |
| 2585 | /* Sizes. */ |
| 2586 | LDHDRSZ, |
| 2587 | LDSYMSZ, |
| 2588 | LDRELSZ, |
| 2589 | 24, /* _xcoff_function_descriptor_size */ |
| 2590 | 0, /* _xcoff_small_aout_header_size */ |
| 2591 | |
| 2592 | /* Versions. */ |
| 2593 | 2, /* _xcoff_ldhdr_version */ |
| 2594 | |
| 2595 | _bfd_xcoff64_put_symbol_name, |
| 2596 | _bfd_xcoff64_put_ldsymbol_name, |
| 2597 | &xcoff64_dynamic_reloc, |
| 2598 | xcoff64_create_csect_from_smclas, |
| 2599 | |
| 2600 | /* Lineno and reloc count overflow. */ |
| 2601 | xcoff64_is_lineno_count_overflow, |
| 2602 | xcoff64_is_reloc_count_overflow, |
| 2603 | |
| 2604 | xcoff64_loader_symbol_offset, |
| 2605 | xcoff64_loader_reloc_offset, |
| 2606 | |
| 2607 | /* glink. */ |
| 2608 | &xcoff64_glink_code[0], |
| 2609 | 40, /* _xcoff_glink_size */ |
| 2610 | |
| 2611 | /* rtinit. */ |
| 2612 | 88, /* _xcoff_rtinit_size */ |
| 2613 | xcoff64_generate_rtinit, |
| 2614 | }; |
| 2615 | |
| 2616 | /* The transfer vector that leads the outside world to all of the above. */ |
| 2617 | const bfd_target rs6000_xcoff64_vec = |
| 2618 | { |
| 2619 | "aixcoff64-rs6000", |
| 2620 | bfd_target_xcoff_flavour, |
| 2621 | BFD_ENDIAN_BIG, /* data byte order is big */ |
| 2622 | BFD_ENDIAN_BIG, /* header byte order is big */ |
| 2623 | |
| 2624 | (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | DYNAMIC |
| 2625 | | HAS_SYMS | HAS_LOCALS | WP_TEXT), |
| 2626 | |
| 2627 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA, |
| 2628 | 0, /* leading char */ |
| 2629 | '/', /* ar_pad_char */ |
| 2630 | 15, /* ar_max_namelen */ |
| 2631 | 0, /* match priority. */ |
| 2632 | |
| 2633 | /* data */ |
| 2634 | bfd_getb64, |
| 2635 | bfd_getb_signed_64, |
| 2636 | bfd_putb64, |
| 2637 | bfd_getb32, |
| 2638 | bfd_getb_signed_32, |
| 2639 | bfd_putb32, |
| 2640 | bfd_getb16, |
| 2641 | bfd_getb_signed_16, |
| 2642 | bfd_putb16, |
| 2643 | |
| 2644 | /* hdrs */ |
| 2645 | bfd_getb64, |
| 2646 | bfd_getb_signed_64, |
| 2647 | bfd_putb64, |
| 2648 | bfd_getb32, |
| 2649 | bfd_getb_signed_32, |
| 2650 | bfd_putb32, |
| 2651 | bfd_getb16, |
| 2652 | bfd_getb_signed_16, |
| 2653 | bfd_putb16, |
| 2654 | |
| 2655 | { /* bfd_check_format */ |
| 2656 | _bfd_dummy_target, |
| 2657 | coff_object_p, |
| 2658 | xcoff64_archive_p, |
| 2659 | CORE_FILE_P |
| 2660 | }, |
| 2661 | |
| 2662 | { /* bfd_set_format */ |
| 2663 | bfd_false, |
| 2664 | coff_mkobject, |
| 2665 | _bfd_generic_mkarchive, |
| 2666 | bfd_false |
| 2667 | }, |
| 2668 | |
| 2669 | {/* bfd_write_contents */ |
| 2670 | bfd_false, |
| 2671 | xcoff64_write_object_contents, |
| 2672 | _bfd_xcoff_write_archive_contents, |
| 2673 | bfd_false |
| 2674 | }, |
| 2675 | |
| 2676 | /* Generic */ |
| 2677 | _bfd_archive_close_and_cleanup, |
| 2678 | bfd_true, |
| 2679 | coff_new_section_hook, |
| 2680 | _bfd_generic_get_section_contents, |
| 2681 | _bfd_generic_get_section_contents_in_window, |
| 2682 | |
| 2683 | /* Copy */ |
| 2684 | _bfd_xcoff_copy_private_bfd_data, |
| 2685 | _bfd_generic_bfd_merge_private_bfd_data, |
| 2686 | _bfd_generic_init_private_section_data, |
| 2687 | _bfd_generic_bfd_copy_private_section_data, |
| 2688 | _bfd_generic_bfd_copy_private_symbol_data, |
| 2689 | _bfd_generic_bfd_copy_private_header_data, |
| 2690 | _bfd_generic_bfd_set_private_flags, |
| 2691 | _bfd_generic_bfd_print_private_bfd_data, |
| 2692 | |
| 2693 | /* Core */ |
| 2694 | BFD_JUMP_TABLE_CORE (coff), |
| 2695 | |
| 2696 | /* Archive */ |
| 2697 | xcoff64_slurp_armap, |
| 2698 | _bfd_noarchive_slurp_extended_name_table, |
| 2699 | _bfd_noarchive_construct_extended_name_table, |
| 2700 | bfd_dont_truncate_arname, |
| 2701 | _bfd_xcoff_write_armap, |
| 2702 | _bfd_xcoff_read_ar_hdr, |
| 2703 | _bfd_generic_write_ar_hdr, |
| 2704 | xcoff64_openr_next_archived_file, |
| 2705 | _bfd_generic_get_elt_at_index, |
| 2706 | _bfd_xcoff_stat_arch_elt, |
| 2707 | bfd_true, |
| 2708 | |
| 2709 | /* Symbols */ |
| 2710 | coff_get_symtab_upper_bound, |
| 2711 | coff_canonicalize_symtab, |
| 2712 | coff_make_empty_symbol, |
| 2713 | coff_print_symbol, |
| 2714 | coff_get_symbol_info, |
| 2715 | coff_get_symbol_version_string, |
| 2716 | _bfd_xcoff_is_local_label_name, |
| 2717 | coff_bfd_is_target_special_symbol, |
| 2718 | coff_get_lineno, |
| 2719 | coff_find_nearest_line, |
| 2720 | coff_find_line, |
| 2721 | coff_find_inliner_info, |
| 2722 | coff_bfd_make_debug_symbol, |
| 2723 | _bfd_generic_read_minisymbols, |
| 2724 | _bfd_generic_minisymbol_to_symbol, |
| 2725 | |
| 2726 | /* Reloc */ |
| 2727 | coff_get_reloc_upper_bound, |
| 2728 | coff_canonicalize_reloc, |
| 2729 | xcoff64_reloc_type_lookup, |
| 2730 | xcoff64_reloc_name_lookup, |
| 2731 | |
| 2732 | /* Write */ |
| 2733 | coff_set_arch_mach, |
| 2734 | coff_set_section_contents, |
| 2735 | |
| 2736 | /* Link */ |
| 2737 | xcoff64_sizeof_headers, |
| 2738 | bfd_generic_get_relocated_section_contents, |
| 2739 | bfd_generic_relax_section, |
| 2740 | _bfd_xcoff_bfd_link_hash_table_create, |
| 2741 | _bfd_xcoff_bfd_link_add_symbols, |
| 2742 | _bfd_generic_link_just_syms, |
| 2743 | _bfd_generic_copy_link_hash_symbol_type, |
| 2744 | _bfd_xcoff_bfd_final_link, |
| 2745 | _bfd_generic_link_split_section, |
| 2746 | bfd_generic_gc_sections, |
| 2747 | bfd_generic_lookup_section_flags, |
| 2748 | bfd_generic_merge_sections, |
| 2749 | bfd_generic_is_group_section, |
| 2750 | bfd_generic_discard_group, |
| 2751 | _bfd_generic_section_already_linked, |
| 2752 | _bfd_xcoff_define_common_symbol, |
| 2753 | |
| 2754 | /* Dynamic */ |
| 2755 | _bfd_xcoff_get_dynamic_symtab_upper_bound, |
| 2756 | _bfd_xcoff_canonicalize_dynamic_symtab, |
| 2757 | _bfd_nodynamic_get_synthetic_symtab, |
| 2758 | _bfd_xcoff_get_dynamic_reloc_upper_bound, |
| 2759 | _bfd_xcoff_canonicalize_dynamic_reloc, |
| 2760 | |
| 2761 | /* Opposite endian version, none exists */ |
| 2762 | NULL, |
| 2763 | |
| 2764 | &bfd_xcoff_backend_data, |
| 2765 | }; |
| 2766 | |
| 2767 | extern const bfd_target *xcoff64_core_p |
| 2768 | (bfd *); |
| 2769 | extern bfd_boolean xcoff64_core_file_matches_executable_p |
| 2770 | (bfd *, bfd *); |
| 2771 | extern char *xcoff64_core_file_failing_command |
| 2772 | (bfd *); |
| 2773 | extern int xcoff64_core_file_failing_signal |
| 2774 | (bfd *); |
| 2775 | #define xcoff64_core_file_pid _bfd_nocore_core_file_pid |
| 2776 | |
| 2777 | /* AIX 5 */ |
| 2778 | static const struct xcoff_backend_data_rec bfd_xcoff_aix5_backend_data = |
| 2779 | { |
| 2780 | { /* COFF backend, defined in libcoff.h. */ |
| 2781 | _bfd_xcoff64_swap_aux_in, |
| 2782 | _bfd_xcoff64_swap_sym_in, |
| 2783 | _bfd_xcoff64_swap_lineno_in, |
| 2784 | _bfd_xcoff64_swap_aux_out, |
| 2785 | _bfd_xcoff64_swap_sym_out, |
| 2786 | _bfd_xcoff64_swap_lineno_out, |
| 2787 | xcoff64_swap_reloc_out, |
| 2788 | coff_swap_filehdr_out, |
| 2789 | coff_swap_aouthdr_out, |
| 2790 | coff_swap_scnhdr_out, |
| 2791 | FILHSZ, |
| 2792 | AOUTSZ, |
| 2793 | SCNHSZ, |
| 2794 | SYMESZ, |
| 2795 | AUXESZ, |
| 2796 | RELSZ, |
| 2797 | LINESZ, |
| 2798 | FILNMLEN, |
| 2799 | TRUE, /* _bfd_coff_long_filenames */ |
| 2800 | XCOFF_NO_LONG_SECTION_NAMES, /* _bfd_coff_long_section_names */ |
| 2801 | 3, /* _bfd_coff_default_section_alignment_power */ |
| 2802 | TRUE, /* _bfd_coff_force_symnames_in_strings */ |
| 2803 | 4, /* _bfd_coff_debug_string_prefix_length */ |
| 2804 | 32768, /* _bfd_coff_max_nscns */ |
| 2805 | coff_swap_filehdr_in, |
| 2806 | coff_swap_aouthdr_in, |
| 2807 | coff_swap_scnhdr_in, |
| 2808 | xcoff64_swap_reloc_in, |
| 2809 | xcoff64_bad_format_hook, |
| 2810 | coff_set_arch_mach_hook, |
| 2811 | coff_mkobject_hook, |
| 2812 | styp_to_sec_flags, |
| 2813 | coff_set_alignment_hook, |
| 2814 | coff_slurp_symbol_table, |
| 2815 | symname_in_debug_hook, |
| 2816 | coff_pointerize_aux_hook, |
| 2817 | coff_print_aux, |
| 2818 | dummy_reloc16_extra_cases, |
| 2819 | dummy_reloc16_estimate, |
| 2820 | NULL, /* bfd_coff_sym_is_global */ |
| 2821 | coff_compute_section_file_positions, |
| 2822 | NULL, /* _bfd_coff_start_final_link */ |
| 2823 | xcoff64_ppc_relocate_section, |
| 2824 | coff_rtype_to_howto, |
| 2825 | NULL, /* _bfd_coff_adjust_symndx */ |
| 2826 | _bfd_generic_link_add_one_symbol, |
| 2827 | coff_link_output_has_begun, |
| 2828 | coff_final_link_postscript, |
| 2829 | NULL /* print_pdata. */ |
| 2830 | }, |
| 2831 | |
| 2832 | U64_TOCMAGIC, /* magic number */ |
| 2833 | bfd_arch_powerpc, |
| 2834 | bfd_mach_ppc_620, |
| 2835 | |
| 2836 | /* Function pointers to xcoff specific swap routines. */ |
| 2837 | xcoff64_swap_ldhdr_in, |
| 2838 | xcoff64_swap_ldhdr_out, |
| 2839 | xcoff64_swap_ldsym_in, |
| 2840 | xcoff64_swap_ldsym_out, |
| 2841 | xcoff64_swap_ldrel_in, |
| 2842 | xcoff64_swap_ldrel_out, |
| 2843 | |
| 2844 | /* Sizes. */ |
| 2845 | LDHDRSZ, |
| 2846 | LDSYMSZ, |
| 2847 | LDRELSZ, |
| 2848 | 24, /* _xcoff_function_descriptor_size */ |
| 2849 | 0, /* _xcoff_small_aout_header_size */ |
| 2850 | /* Versions. */ |
| 2851 | 2, /* _xcoff_ldhdr_version */ |
| 2852 | |
| 2853 | _bfd_xcoff64_put_symbol_name, |
| 2854 | _bfd_xcoff64_put_ldsymbol_name, |
| 2855 | &xcoff64_dynamic_reloc, |
| 2856 | xcoff64_create_csect_from_smclas, |
| 2857 | |
| 2858 | /* Lineno and reloc count overflow. */ |
| 2859 | xcoff64_is_lineno_count_overflow, |
| 2860 | xcoff64_is_reloc_count_overflow, |
| 2861 | |
| 2862 | xcoff64_loader_symbol_offset, |
| 2863 | xcoff64_loader_reloc_offset, |
| 2864 | |
| 2865 | /* glink. */ |
| 2866 | &xcoff64_glink_code[0], |
| 2867 | 40, /* _xcoff_glink_size */ |
| 2868 | |
| 2869 | /* rtinit. */ |
| 2870 | 88, /* _xcoff_rtinit_size */ |
| 2871 | xcoff64_generate_rtinit, |
| 2872 | }; |
| 2873 | |
| 2874 | /* The transfer vector that leads the outside world to all of the above. */ |
| 2875 | const bfd_target rs6000_xcoff64_aix_vec = |
| 2876 | { |
| 2877 | "aix5coff64-rs6000", |
| 2878 | bfd_target_xcoff_flavour, |
| 2879 | BFD_ENDIAN_BIG, /* data byte order is big */ |
| 2880 | BFD_ENDIAN_BIG, /* header byte order is big */ |
| 2881 | |
| 2882 | (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | DYNAMIC |
| 2883 | | HAS_SYMS | HAS_LOCALS | WP_TEXT), |
| 2884 | |
| 2885 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA, |
| 2886 | 0, /* leading char */ |
| 2887 | '/', /* ar_pad_char */ |
| 2888 | 15, /* ar_max_namelen */ |
| 2889 | 0, /* match priority. */ |
| 2890 | |
| 2891 | /* data */ |
| 2892 | bfd_getb64, |
| 2893 | bfd_getb_signed_64, |
| 2894 | bfd_putb64, |
| 2895 | bfd_getb32, |
| 2896 | bfd_getb_signed_32, |
| 2897 | bfd_putb32, |
| 2898 | bfd_getb16, |
| 2899 | bfd_getb_signed_16, |
| 2900 | bfd_putb16, |
| 2901 | |
| 2902 | /* hdrs */ |
| 2903 | bfd_getb64, |
| 2904 | bfd_getb_signed_64, |
| 2905 | bfd_putb64, |
| 2906 | bfd_getb32, |
| 2907 | bfd_getb_signed_32, |
| 2908 | bfd_putb32, |
| 2909 | bfd_getb16, |
| 2910 | bfd_getb_signed_16, |
| 2911 | bfd_putb16, |
| 2912 | |
| 2913 | { /* bfd_check_format */ |
| 2914 | _bfd_dummy_target, |
| 2915 | coff_object_p, |
| 2916 | xcoff64_archive_p, |
| 2917 | xcoff64_core_p |
| 2918 | }, |
| 2919 | |
| 2920 | { /* bfd_set_format */ |
| 2921 | bfd_false, |
| 2922 | coff_mkobject, |
| 2923 | _bfd_generic_mkarchive, |
| 2924 | bfd_false |
| 2925 | }, |
| 2926 | |
| 2927 | {/* bfd_write_contents */ |
| 2928 | bfd_false, |
| 2929 | xcoff64_write_object_contents, |
| 2930 | _bfd_xcoff_write_archive_contents, |
| 2931 | bfd_false |
| 2932 | }, |
| 2933 | |
| 2934 | /* Generic */ |
| 2935 | _bfd_archive_close_and_cleanup, |
| 2936 | bfd_true, |
| 2937 | coff_new_section_hook, |
| 2938 | _bfd_generic_get_section_contents, |
| 2939 | _bfd_generic_get_section_contents_in_window, |
| 2940 | |
| 2941 | /* Copy */ |
| 2942 | _bfd_xcoff_copy_private_bfd_data, |
| 2943 | _bfd_generic_bfd_merge_private_bfd_data, |
| 2944 | _bfd_generic_init_private_section_data, |
| 2945 | _bfd_generic_bfd_copy_private_section_data, |
| 2946 | _bfd_generic_bfd_copy_private_symbol_data, |
| 2947 | _bfd_generic_bfd_copy_private_header_data, |
| 2948 | _bfd_generic_bfd_set_private_flags, |
| 2949 | _bfd_generic_bfd_print_private_bfd_data, |
| 2950 | |
| 2951 | /* Core */ |
| 2952 | BFD_JUMP_TABLE_CORE (xcoff64), |
| 2953 | |
| 2954 | /* Archive */ |
| 2955 | xcoff64_slurp_armap, |
| 2956 | _bfd_noarchive_slurp_extended_name_table, |
| 2957 | _bfd_noarchive_construct_extended_name_table, |
| 2958 | bfd_dont_truncate_arname, |
| 2959 | _bfd_xcoff_write_armap, |
| 2960 | _bfd_xcoff_read_ar_hdr, |
| 2961 | _bfd_generic_write_ar_hdr, |
| 2962 | xcoff64_openr_next_archived_file, |
| 2963 | _bfd_generic_get_elt_at_index, |
| 2964 | _bfd_xcoff_stat_arch_elt, |
| 2965 | bfd_true, |
| 2966 | |
| 2967 | /* Symbols */ |
| 2968 | coff_get_symtab_upper_bound, |
| 2969 | coff_canonicalize_symtab, |
| 2970 | coff_make_empty_symbol, |
| 2971 | coff_print_symbol, |
| 2972 | coff_get_symbol_info, |
| 2973 | coff_get_symbol_version_string, |
| 2974 | _bfd_xcoff_is_local_label_name, |
| 2975 | coff_bfd_is_target_special_symbol, |
| 2976 | coff_get_lineno, |
| 2977 | coff_find_nearest_line, |
| 2978 | coff_find_line, |
| 2979 | coff_find_inliner_info, |
| 2980 | coff_bfd_make_debug_symbol, |
| 2981 | _bfd_generic_read_minisymbols, |
| 2982 | _bfd_generic_minisymbol_to_symbol, |
| 2983 | |
| 2984 | /* Reloc */ |
| 2985 | coff_get_reloc_upper_bound, |
| 2986 | coff_canonicalize_reloc, |
| 2987 | xcoff64_reloc_type_lookup, |
| 2988 | xcoff64_reloc_name_lookup, |
| 2989 | |
| 2990 | /* Write */ |
| 2991 | coff_set_arch_mach, |
| 2992 | coff_set_section_contents, |
| 2993 | |
| 2994 | /* Link */ |
| 2995 | xcoff64_sizeof_headers, |
| 2996 | bfd_generic_get_relocated_section_contents, |
| 2997 | bfd_generic_relax_section, |
| 2998 | _bfd_xcoff_bfd_link_hash_table_create, |
| 2999 | _bfd_xcoff_bfd_link_add_symbols, |
| 3000 | _bfd_generic_link_just_syms, |
| 3001 | _bfd_generic_copy_link_hash_symbol_type, |
| 3002 | _bfd_xcoff_bfd_final_link, |
| 3003 | _bfd_generic_link_split_section, |
| 3004 | bfd_generic_gc_sections, |
| 3005 | bfd_generic_lookup_section_flags, |
| 3006 | bfd_generic_merge_sections, |
| 3007 | bfd_generic_is_group_section, |
| 3008 | bfd_generic_discard_group, |
| 3009 | _bfd_generic_section_already_linked, |
| 3010 | _bfd_xcoff_define_common_symbol, |
| 3011 | |
| 3012 | /* Dynamic */ |
| 3013 | _bfd_xcoff_get_dynamic_symtab_upper_bound, |
| 3014 | _bfd_xcoff_canonicalize_dynamic_symtab, |
| 3015 | _bfd_nodynamic_get_synthetic_symtab, |
| 3016 | _bfd_xcoff_get_dynamic_reloc_upper_bound, |
| 3017 | _bfd_xcoff_canonicalize_dynamic_reloc, |
| 3018 | |
| 3019 | /* Opposite endian version, none exists. */ |
| 3020 | NULL, |
| 3021 | |
| 3022 | & bfd_xcoff_aix5_backend_data, |
| 3023 | }; |