| 1 | /* vms-tir.c -- BFD back-end for VAX (openVMS/VAX) and |
| 2 | EVAX (openVMS/Alpha) files. |
| 3 | Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2004, 2005, 2007, |
| 4 | 2008, 2009 Free Software Foundation, Inc. |
| 5 | |
| 6 | TIR record handling functions |
| 7 | ETIR record handling functions |
| 8 | |
| 9 | Go and read the openVMS linker manual (esp. appendix B) |
| 10 | if you don't know what's going on here :-) |
| 11 | |
| 12 | Written by Klaus K"ampf (kkaempf@rmi.de) |
| 13 | |
| 14 | This program is free software; you can redistribute it and/or modify |
| 15 | it under the terms of the GNU General Public License as published by |
| 16 | the Free Software Foundation; either version 3 of the License, or |
| 17 | (at your option) any later version. |
| 18 | |
| 19 | This program is distributed in the hope that it will be useful, |
| 20 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 21 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 22 | GNU General Public License for more details. |
| 23 | |
| 24 | You should have received a copy of the GNU General Public License |
| 25 | along with this program; if not, write to the Free Software |
| 26 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| 27 | MA 02110-1301, USA. */ |
| 28 | |
| 29 | /* The following type abbreviations are used: |
| 30 | |
| 31 | cs counted string (ascii string with length byte) |
| 32 | by byte (1 byte) |
| 33 | sh short (2 byte, 16 bit) |
| 34 | lw longword (4 byte, 32 bit) |
| 35 | qw quadword (8 byte, 64 bit) |
| 36 | da data stream */ |
| 37 | |
| 38 | #include "sysdep.h" |
| 39 | #include "bfd.h" |
| 40 | #include "bfdlink.h" |
| 41 | #include "libbfd.h" |
| 42 | #include "vms.h" |
| 43 | |
| 44 | static int check_section (bfd *, int); |
| 45 | static void image_set_ptr (bfd *abfd, int psect, uquad offset); |
| 46 | static void image_inc_ptr (bfd *abfd, uquad offset); |
| 47 | static void dst_define_location (bfd *abfd, uquad loc); |
| 48 | static void dst_restore_location (bfd *abfd, uquad loc); |
| 49 | static unsigned int dst_retrieve_location (bfd *abfd, uquad loc); |
| 50 | static void dst_check_allocation (bfd *abfd, unsigned int size); |
| 51 | static void image_dump (bfd *abfd, unsigned char *ptr, int size, int offset); |
| 52 | static void image_write_b (bfd *abfd, unsigned int value); |
| 53 | static void image_write_w (bfd *abfd, unsigned int value); |
| 54 | static void image_write_l (bfd *abfd, unsigned long value); |
| 55 | static void image_write_q (bfd *abfd, uquad value); |
| 56 | static bfd_boolean etir_sta (bfd *, int, unsigned char *, int *); |
| 57 | static bfd_boolean etir_sto (bfd *, int, unsigned char *, int *); |
| 58 | static bfd_boolean etir_opr (bfd *, int, unsigned char *, int *); |
| 59 | static bfd_boolean etir_ctl (bfd *, int, unsigned char *, int *); |
| 60 | static bfd_boolean etir_stc (bfd *, int, unsigned char *, int *); |
| 61 | static asection *new_section (bfd *, int); |
| 62 | static int alloc_section (bfd *, unsigned int); |
| 63 | static int etir_cmd (bfd *, int, unsigned char *, int *); |
| 64 | static int analyze_tir (bfd *, unsigned char *, unsigned int); |
| 65 | static int analyze_etir (bfd *, unsigned char *, unsigned int); |
| 66 | static unsigned char *tir_opr (bfd *, unsigned char *); |
| 67 | static const char *tir_cmd_name (int); |
| 68 | static const char *cmd_name (int); |
| 69 | |
| 70 | \f |
| 71 | static int |
| 72 | check_section (bfd * abfd, int size) |
| 73 | { |
| 74 | bfd_size_type offset; |
| 75 | |
| 76 | offset = PRIV (image_ptr) - PRIV (image_section)->contents; |
| 77 | if (offset + size > PRIV (image_section)->size) |
| 78 | { |
| 79 | PRIV (image_section)->contents |
| 80 | = bfd_realloc_or_free (PRIV (image_section)->contents, offset + size); |
| 81 | if (PRIV (image_section)->contents == NULL) |
| 82 | { |
| 83 | (*_bfd_error_handler) (_("No Mem !")); |
| 84 | return -1; |
| 85 | } |
| 86 | PRIV (image_section)->size = offset + size; |
| 87 | PRIV (image_ptr) = PRIV (image_section)->contents + offset; |
| 88 | } |
| 89 | |
| 90 | return 0; |
| 91 | } |
| 92 | |
| 93 | /* Routines to fill sections contents during tir/etir read. */ |
| 94 | |
| 95 | /* Initialize image buffer pointer to be filled. */ |
| 96 | |
| 97 | static void |
| 98 | image_set_ptr (bfd * abfd, int psect, uquad offset) |
| 99 | { |
| 100 | #if VMS_DEBUG |
| 101 | _bfd_vms_debug (4, "image_set_ptr (%d=%s, %d)\n", |
| 102 | psect, PRIV (sections)[psect]->name, offset); |
| 103 | #endif |
| 104 | |
| 105 | PRIV (image_ptr) = PRIV (sections)[psect]->contents + offset; |
| 106 | PRIV (image_section) = PRIV (sections)[psect]; |
| 107 | } |
| 108 | |
| 109 | /* Increment image buffer pointer by offset. */ |
| 110 | |
| 111 | static void |
| 112 | image_inc_ptr (bfd * abfd, uquad offset) |
| 113 | { |
| 114 | #if VMS_DEBUG |
| 115 | _bfd_vms_debug (4, "image_inc_ptr (%d)\n", offset); |
| 116 | #endif |
| 117 | |
| 118 | PRIV (image_ptr) += offset; |
| 119 | } |
| 120 | |
| 121 | /* Save current DST location counter under specified index. */ |
| 122 | |
| 123 | static void |
| 124 | dst_define_location (bfd *abfd, uquad loc) |
| 125 | { |
| 126 | asection *dst_section = PRIV (dst_section); |
| 127 | |
| 128 | #if VMS_DEBUG |
| 129 | _bfd_vms_debug (4, "dst_define_location (%d)\n", (int)loc); |
| 130 | #endif |
| 131 | |
| 132 | /* Grow the ptr offset table if necessary. */ |
| 133 | if (loc + 1 > PRIV (dst_ptr_offsets_count)) |
| 134 | { |
| 135 | PRIV (dst_ptr_offsets) = bfd_realloc (PRIV (dst_ptr_offsets), |
| 136 | (loc + 1) * sizeof (unsigned int)); |
| 137 | PRIV (dst_ptr_offsets_count) = loc + 1; |
| 138 | } |
| 139 | |
| 140 | PRIV (dst_ptr_offsets)[loc] = PRIV (image_ptr) - dst_section->contents; |
| 141 | } |
| 142 | |
| 143 | /* Restore saved DST location counter from specified index. */ |
| 144 | |
| 145 | static void |
| 146 | dst_restore_location (bfd *abfd, uquad loc) |
| 147 | { |
| 148 | asection *dst_section = PRIV (dst_section); |
| 149 | |
| 150 | #if VMS_DEBUG |
| 151 | _bfd_vms_debug (4, "dst_restore_location (%d)\n", (int)loc); |
| 152 | #endif |
| 153 | |
| 154 | PRIV (image_ptr) = dst_section->contents + PRIV (dst_ptr_offsets)[loc]; |
| 155 | } |
| 156 | |
| 157 | /* Retrieve saved DST location counter from specified index. */ |
| 158 | |
| 159 | static unsigned int |
| 160 | dst_retrieve_location (bfd *abfd, uquad loc) |
| 161 | { |
| 162 | #if VMS_DEBUG |
| 163 | _bfd_vms_debug (4, "dst_retrieve_location (%d)\n", (int)loc); |
| 164 | #endif |
| 165 | |
| 166 | return PRIV (dst_ptr_offsets)[loc]; |
| 167 | } |
| 168 | |
| 169 | /* Check that the DST section is big enough for the specified |
| 170 | amount of bytes. */ |
| 171 | |
| 172 | static void |
| 173 | dst_check_allocation (bfd *abfd, unsigned int size) |
| 174 | { |
| 175 | asection *dst_section = PRIV (dst_section); |
| 176 | |
| 177 | bfd_size_type used = PRIV (image_ptr) - dst_section->contents; |
| 178 | bfd_size_type left = dst_section->size - used; |
| 179 | |
| 180 | /* Grow the DST section as necessary */ |
| 181 | if (size > left) |
| 182 | { |
| 183 | dst_section->size *= 2; |
| 184 | dst_section->contents |
| 185 | = bfd_realloc (dst_section->contents, dst_section->size); |
| 186 | PRIV (image_ptr) = dst_section->contents + used; |
| 187 | |
| 188 | dst_check_allocation (abfd, size); |
| 189 | } |
| 190 | } |
| 191 | |
| 192 | /* Dump multiple bytes to section image. */ |
| 193 | |
| 194 | static void |
| 195 | image_dump (bfd * abfd, |
| 196 | unsigned char *ptr, |
| 197 | int size, |
| 198 | int offset ATTRIBUTE_UNUSED) |
| 199 | { |
| 200 | #if VMS_DEBUG |
| 201 | _bfd_vms_debug (8, "image_dump from (%p, %d) to (%p)\n", ptr, size, |
| 202 | PRIV (image_ptr)); |
| 203 | _bfd_hexdump (9, ptr, size, offset); |
| 204 | #endif |
| 205 | |
| 206 | if (PRIV (is_vax) && check_section (abfd, size)) |
| 207 | return; |
| 208 | |
| 209 | if (PRIV (dst_section)) |
| 210 | dst_check_allocation (abfd, size); |
| 211 | |
| 212 | while (size-- > 0) |
| 213 | *PRIV (image_ptr)++ = *ptr++; |
| 214 | } |
| 215 | |
| 216 | /* Write byte to section image. */ |
| 217 | |
| 218 | static void |
| 219 | image_write_b (bfd * abfd, unsigned int value) |
| 220 | { |
| 221 | #if VMS_DEBUG |
| 222 | _bfd_vms_debug (6, "image_write_b (%02x)\n", (int) value); |
| 223 | #endif |
| 224 | |
| 225 | if (PRIV (is_vax) && check_section (abfd, 1)) |
| 226 | return; |
| 227 | |
| 228 | if (PRIV (dst_section)) |
| 229 | dst_check_allocation (abfd, 1); |
| 230 | |
| 231 | *PRIV (image_ptr)++ = (value & 0xff); |
| 232 | } |
| 233 | |
| 234 | /* Write 2-byte word to image. */ |
| 235 | |
| 236 | static void |
| 237 | image_write_w (bfd * abfd, unsigned int value) |
| 238 | { |
| 239 | #if VMS_DEBUG |
| 240 | _bfd_vms_debug (6, "image_write_w (%04x)\n", (int) value); |
| 241 | #endif |
| 242 | |
| 243 | if (PRIV (is_vax) && check_section (abfd, 2)) |
| 244 | return; |
| 245 | |
| 246 | if (PRIV (dst_section)) |
| 247 | dst_check_allocation (abfd, 2); |
| 248 | |
| 249 | bfd_putl16 ((bfd_vma) value, PRIV (image_ptr)); |
| 250 | PRIV (image_ptr) += 2; |
| 251 | } |
| 252 | |
| 253 | /* Write 4-byte long to image. */ |
| 254 | |
| 255 | static void |
| 256 | image_write_l (bfd * abfd, unsigned long value) |
| 257 | { |
| 258 | #if VMS_DEBUG |
| 259 | _bfd_vms_debug (6, "image_write_l (%08lx)\n", value); |
| 260 | #endif |
| 261 | |
| 262 | if (PRIV (is_vax) && check_section (abfd, 4)) |
| 263 | return; |
| 264 | |
| 265 | if (PRIV (dst_section)) |
| 266 | dst_check_allocation (abfd, 4); |
| 267 | |
| 268 | bfd_putl32 ((bfd_vma) value, PRIV (image_ptr)); |
| 269 | PRIV (image_ptr) += 4; |
| 270 | } |
| 271 | |
| 272 | /* Write 8-byte quad to image. */ |
| 273 | |
| 274 | static void |
| 275 | image_write_q (bfd * abfd, uquad value) |
| 276 | { |
| 277 | #if VMS_DEBUG |
| 278 | _bfd_vms_debug (6, "image_write_q (%016lx)\n", value); |
| 279 | #endif |
| 280 | |
| 281 | if (PRIV (is_vax) && check_section (abfd, 8)) |
| 282 | return; |
| 283 | |
| 284 | if (PRIV (dst_section)) |
| 285 | dst_check_allocation (abfd, 8); |
| 286 | |
| 287 | bfd_putl64 (value, PRIV (image_ptr)); |
| 288 | PRIV (image_ptr) += 8; |
| 289 | } |
| 290 | \f |
| 291 | static const char * |
| 292 | cmd_name (int cmd) |
| 293 | { |
| 294 | switch (cmd) |
| 295 | { |
| 296 | case ETIR_S_C_STA_GBL: return "ETIR_S_C_STA_GBL"; |
| 297 | case ETIR_S_C_STA_LW: return "ETIR_S_C_STA_LW"; |
| 298 | case ETIR_S_C_STA_QW: return "ETIR_S_C_STA_QW"; |
| 299 | case ETIR_S_C_STA_PQ: return "ETIR_S_C_STA_PQ"; |
| 300 | case ETIR_S_C_STA_LI: return "ETIR_S_C_STA_LI"; |
| 301 | case ETIR_S_C_STA_MOD: return "ETIR_S_C_STA_MOD"; |
| 302 | case ETIR_S_C_STA_CKARG: return "ETIR_S_C_STA_CKARG"; |
| 303 | case ETIR_S_C_STO_B: return "ETIR_S_C_STO_B"; |
| 304 | case ETIR_S_C_STO_W: return "ETIR_S_C_STO_W"; |
| 305 | case ETIR_S_C_STO_GBL: return "ETIR_S_C_STO_GBL"; |
| 306 | case ETIR_S_C_STO_CA: return "ETIR_S_C_STO_CA"; |
| 307 | case ETIR_S_C_STO_RB: return "ETIR_S_C_STO_RB"; |
| 308 | case ETIR_S_C_STO_AB: return "ETIR_S_C_STO_AB"; |
| 309 | case ETIR_S_C_STO_OFF: return "ETIR_S_C_STO_OFF"; |
| 310 | case ETIR_S_C_STO_IMM: return "ETIR_S_C_STO_IMM"; |
| 311 | case ETIR_S_C_STO_IMMR: return "ETIR_S_C_STO_IMMR"; |
| 312 | case ETIR_S_C_STO_LW: return "ETIR_S_C_STO_LW"; |
| 313 | case ETIR_S_C_STO_QW: return "ETIR_S_C_STO_QW"; |
| 314 | case ETIR_S_C_STO_GBL_LW: return "ETIR_S_C_STO_GBL_LW"; |
| 315 | case ETIR_S_C_STO_LP_PSB: return "ETIR_S_C_STO_LP_PSB"; |
| 316 | case ETIR_S_C_STO_HINT_GBL: return "ETIR_S_C_STO_HINT_GBL"; |
| 317 | case ETIR_S_C_STO_HINT_PS: return "ETIR_S_C_STO_HINT_PS"; |
| 318 | case ETIR_S_C_OPR_ADD: return "ETIR_S_C_OPR_ADD"; |
| 319 | case ETIR_S_C_OPR_INSV: return "ETIR_S_C_OPR_INSV"; |
| 320 | case ETIR_S_C_OPR_USH: return "ETIR_S_C_OPR_USH"; |
| 321 | case ETIR_S_C_OPR_ROT: return "ETIR_S_C_OPR_ROT"; |
| 322 | case ETIR_S_C_OPR_REDEF: return "ETIR_S_C_OPR_REDEF"; |
| 323 | case ETIR_S_C_OPR_DFLIT: return "ETIR_S_C_OPR_DFLIT"; |
| 324 | case ETIR_S_C_STC_LP: return "ETIR_S_C_STC_LP"; |
| 325 | case ETIR_S_C_STC_GBL: return "ETIR_S_C_STC_GBL"; |
| 326 | case ETIR_S_C_STC_GCA: return "ETIR_S_C_STC_GCA"; |
| 327 | case ETIR_S_C_STC_PS: return "ETIR_S_C_STC_PS"; |
| 328 | case ETIR_S_C_STC_NBH_PS: return "ETIR_S_C_STC_NBH_PS"; |
| 329 | case ETIR_S_C_STC_NOP_GBL: return "ETIR_S_C_STC_NOP_GBL"; |
| 330 | case ETIR_S_C_STC_NOP_PS: return "ETIR_S_C_STC_NOP_PS"; |
| 331 | case ETIR_S_C_STC_BSR_GBL: return "ETIR_S_C_STC_BSR_GBL"; |
| 332 | case ETIR_S_C_STC_BSR_PS: return "ETIR_S_C_STC_BSR_PS"; |
| 333 | case ETIR_S_C_STC_LDA_GBL: return "ETIR_S_C_STC_LDA_GBL"; |
| 334 | case ETIR_S_C_STC_LDA_PS: return "ETIR_S_C_STC_LDA_PS"; |
| 335 | case ETIR_S_C_STC_BOH_GBL: return "ETIR_S_C_STC_BOH_GBL"; |
| 336 | case ETIR_S_C_STC_BOH_PS: return "ETIR_S_C_STC_BOH_PS"; |
| 337 | case ETIR_S_C_STC_NBH_GBL: return "ETIR_S_C_STC_NBH_GBL"; |
| 338 | case ETIR_S_C_CTL_SETRB: return "ETIR_S_C_CTL_SETRB"; |
| 339 | case ETIR_S_C_STC_LP_PSB: return "ETIR_S_C_STC_LP_PSB"; |
| 340 | case ETIR_S_C_CTL_DFLOC: return "ETIR_S_C_CTL_DFLOC"; |
| 341 | case ETIR_S_C_CTL_STLOC: return "ETIR_S_C_CTL_STLOC"; |
| 342 | case ETIR_S_C_CTL_STKDL: return "ETIR_S_C_CTL_STKDL"; |
| 343 | |
| 344 | default: |
| 345 | /* These names have not yet been added to this switch statement. */ |
| 346 | (*_bfd_error_handler) (_("unknown ETIR command %d"), cmd); |
| 347 | } |
| 348 | |
| 349 | return NULL; |
| 350 | } |
| 351 | #define HIGHBIT(op) ((op & 0x80000000L) == 0x80000000L) |
| 352 | |
| 353 | /* etir_sta |
| 354 | |
| 355 | Vms stack commands. |
| 356 | |
| 357 | Handle sta_xxx commands in etir section, |
| 358 | ptr points to data area in record. |
| 359 | |
| 360 | See table B-8 of the openVMS linker manual. */ |
| 361 | |
| 362 | static bfd_boolean |
| 363 | etir_sta (bfd *abfd, int cmd, unsigned char *ptr, int *quarter_relocs) |
| 364 | { |
| 365 | #if VMS_DEBUG |
| 366 | _bfd_vms_debug (5, "etir_sta %d/%x\n", cmd, cmd); |
| 367 | _bfd_hexdump (8, ptr, 16, (long) ptr); |
| 368 | #endif |
| 369 | |
| 370 | switch (cmd) |
| 371 | { |
| 372 | /* Stack global |
| 373 | arg: cs symbol name |
| 374 | |
| 375 | stack 32 bit value of symbol (high bits set to 0). */ |
| 376 | case ETIR_S_C_STA_GBL: |
| 377 | { |
| 378 | char *name; |
| 379 | vms_symbol_entry *entry; |
| 380 | |
| 381 | name = _bfd_vms_save_counted_string (ptr); |
| 382 | entry = (vms_symbol_entry *) |
| 383 | bfd_hash_lookup (PRIV (vms_symbol_table), name, FALSE, FALSE); |
| 384 | if (entry == NULL) |
| 385 | { |
| 386 | #if VMS_DEBUG |
| 387 | _bfd_vms_debug (3, "%s: no symbol \"%s\"\n", |
| 388 | cmd_name (cmd), name); |
| 389 | #endif |
| 390 | _bfd_vms_push (abfd, (uquad) 0, -1); |
| 391 | } |
| 392 | else |
| 393 | _bfd_vms_push (abfd, (uquad) (entry->symbol->value), -1); |
| 394 | } |
| 395 | *quarter_relocs = 1; |
| 396 | break; |
| 397 | |
| 398 | /* Stack longword |
| 399 | arg: lw value |
| 400 | |
| 401 | stack 32 bit value, sign extend to 64 bit. */ |
| 402 | case ETIR_S_C_STA_LW: |
| 403 | _bfd_vms_push (abfd, (uquad) bfd_getl32 (ptr), -1); |
| 404 | /* This one is special as it is both part of the section header |
| 405 | and of the ALPHA_R_REFLONG relocation. */ |
| 406 | if (bfd_getl16 (ptr - 4 + bfd_getl16 (ptr - 2)) == ETIR_S_C_CTL_DFLOC) |
| 407 | *quarter_relocs = 0; |
| 408 | else if (*quarter_relocs) |
| 409 | *quarter_relocs += 1; |
| 410 | else |
| 411 | *quarter_relocs = 2; |
| 412 | break; |
| 413 | |
| 414 | /* Stack quadword |
| 415 | arg: qw value |
| 416 | |
| 417 | stack 64 bit value of symbol. */ |
| 418 | case ETIR_S_C_STA_QW: |
| 419 | _bfd_vms_push (abfd, (uquad) bfd_getl64 (ptr), -1); |
| 420 | if (*quarter_relocs) |
| 421 | *quarter_relocs += 1; |
| 422 | else |
| 423 | *quarter_relocs = 2; |
| 424 | break; |
| 425 | |
| 426 | /* Stack psect base plus quadword offset |
| 427 | arg: lw section index |
| 428 | qw signed quadword offset (low 32 bits) |
| 429 | |
| 430 | Stack qw argument and section index |
| 431 | (see ETIR_S_C_STO_OFF, ETIR_S_C_CTL_SETRB). */ |
| 432 | case ETIR_S_C_STA_PQ: |
| 433 | { |
| 434 | uquad dummy; |
| 435 | int psect; |
| 436 | |
| 437 | psect = bfd_getl32 (ptr); |
| 438 | if ((unsigned int) psect >= PRIV (section_count)) |
| 439 | { |
| 440 | (*_bfd_error_handler) (_("bad section index in %s"), |
| 441 | cmd_name (cmd)); |
| 442 | bfd_set_error (bfd_error_bad_value); |
| 443 | return FALSE; |
| 444 | } |
| 445 | dummy = bfd_getl64 (ptr + 4); |
| 446 | _bfd_vms_push (abfd, dummy, (int) psect); |
| 447 | } |
| 448 | /* This one is special as it is both part of the section header |
| 449 | and of the ALPHA_R_REFLONG and ALPHA_R_REFQUAD relocations. */ |
| 450 | if (bfd_getl16 (ptr - 4 + bfd_getl16 (ptr - 2)) == ETIR_S_C_CTL_SETRB) |
| 451 | *quarter_relocs = 0; |
| 452 | else |
| 453 | *quarter_relocs = 2; |
| 454 | break; |
| 455 | |
| 456 | case ETIR_S_C_STA_LI: |
| 457 | case ETIR_S_C_STA_MOD: |
| 458 | case ETIR_S_C_STA_CKARG: |
| 459 | (*_bfd_error_handler) (_("unsupported STA cmd %s"), cmd_name (cmd)); |
| 460 | *quarter_relocs = 0; |
| 461 | return FALSE; |
| 462 | |
| 463 | default: |
| 464 | (*_bfd_error_handler) (_("reserved STA cmd %d"), cmd); |
| 465 | *quarter_relocs = 0; |
| 466 | return FALSE; |
| 467 | } |
| 468 | |
| 469 | #if VMS_DEBUG |
| 470 | _bfd_vms_debug (5, "etir_sta true\n"); |
| 471 | #endif |
| 472 | |
| 473 | return TRUE; |
| 474 | } |
| 475 | |
| 476 | /* etir_sto |
| 477 | |
| 478 | vms store commands |
| 479 | |
| 480 | handle sto_xxx commands in etir section |
| 481 | ptr points to data area in record |
| 482 | |
| 483 | see table B-9 of the openVMS linker manual. */ |
| 484 | |
| 485 | static bfd_boolean |
| 486 | etir_sto (bfd *abfd, int cmd, unsigned char *ptr, int *quarter_relocs) |
| 487 | { |
| 488 | uquad dummy; |
| 489 | int psect; |
| 490 | |
| 491 | #if VMS_DEBUG |
| 492 | _bfd_vms_debug (5, "etir_sto %d/%x\n", cmd, cmd); |
| 493 | _bfd_hexdump (8, ptr, 16, (long) ptr); |
| 494 | #endif |
| 495 | |
| 496 | switch (cmd) |
| 497 | { |
| 498 | /* Store byte: pop stack, write byte |
| 499 | arg: -. */ |
| 500 | case ETIR_S_C_STO_B: |
| 501 | dummy = _bfd_vms_pop (abfd, &psect); |
| 502 | /* FIXME: check top bits. */ |
| 503 | image_write_b (abfd, (unsigned int) dummy & 0xff); |
| 504 | *quarter_relocs = 0; |
| 505 | break; |
| 506 | |
| 507 | /* Store word: pop stack, write word |
| 508 | arg: -. */ |
| 509 | case ETIR_S_C_STO_W: |
| 510 | dummy = _bfd_vms_pop (abfd, &psect); |
| 511 | /* FIXME: check top bits */ |
| 512 | image_write_w (abfd, (unsigned int) dummy & 0xffff); |
| 513 | *quarter_relocs = 0; |
| 514 | break; |
| 515 | |
| 516 | /* Store longword: pop stack, write longword |
| 517 | arg: -. */ |
| 518 | case ETIR_S_C_STO_LW: |
| 519 | dummy = _bfd_vms_pop (abfd, &psect); |
| 520 | dummy += (PRIV (sections)[psect])->vma; |
| 521 | /* FIXME: check top bits. */ |
| 522 | image_write_l (abfd, (unsigned int) dummy & 0xffffffff); |
| 523 | if (*quarter_relocs == 2) |
| 524 | *quarter_relocs = 4; |
| 525 | else |
| 526 | *quarter_relocs += 1; |
| 527 | break; |
| 528 | |
| 529 | /* Store quadword: pop stack, write quadword |
| 530 | arg: -. */ |
| 531 | case ETIR_S_C_STO_QW: |
| 532 | dummy = _bfd_vms_pop (abfd, &psect); |
| 533 | dummy += (PRIV (sections)[psect])->vma; |
| 534 | /* FIXME: check top bits. */ |
| 535 | image_write_q (abfd, dummy); |
| 536 | if (*quarter_relocs == 2) |
| 537 | *quarter_relocs = 4; |
| 538 | else |
| 539 | *quarter_relocs += 1; |
| 540 | break; |
| 541 | |
| 542 | /* Store immediate repeated: pop stack for repeat count |
| 543 | arg: lw byte count |
| 544 | da data. */ |
| 545 | case ETIR_S_C_STO_IMMR: |
| 546 | { |
| 547 | int size; |
| 548 | |
| 549 | size = bfd_getl32 (ptr); |
| 550 | dummy = (unsigned long) _bfd_vms_pop (abfd, NULL); |
| 551 | while (dummy-- > 0) |
| 552 | image_dump (abfd, ptr+4, size, 0); |
| 553 | } |
| 554 | *quarter_relocs = 0; |
| 555 | break; |
| 556 | |
| 557 | /* Store global: write symbol value |
| 558 | arg: cs global symbol name. */ |
| 559 | case ETIR_S_C_STO_GBL: |
| 560 | { |
| 561 | vms_symbol_entry *entry; |
| 562 | char *name; |
| 563 | |
| 564 | name = _bfd_vms_save_counted_string (ptr); |
| 565 | entry = (vms_symbol_entry *) bfd_hash_lookup (PRIV (vms_symbol_table), |
| 566 | name, FALSE, FALSE); |
| 567 | if (entry == NULL) |
| 568 | /* FIXME, reloc. */ |
| 569 | image_write_q (abfd, (uquad) (0)); |
| 570 | else |
| 571 | /* FIXME, reloc. */ |
| 572 | image_write_q (abfd, (uquad) (entry->symbol->value)); |
| 573 | } |
| 574 | *quarter_relocs = 4; |
| 575 | break; |
| 576 | |
| 577 | /* Store code address: write address of entry point |
| 578 | arg: cs global symbol name (procedure). */ |
| 579 | case ETIR_S_C_STO_CA: |
| 580 | { |
| 581 | vms_symbol_entry *entry; |
| 582 | char *name; |
| 583 | |
| 584 | name = _bfd_vms_save_counted_string (ptr); |
| 585 | entry = (vms_symbol_entry *) bfd_hash_lookup (PRIV (vms_symbol_table), |
| 586 | name, FALSE, FALSE); |
| 587 | if (entry == NULL) |
| 588 | /* FIXME, reloc. */ |
| 589 | image_write_q (abfd, (uquad) (0)); |
| 590 | else |
| 591 | /* FIXME, reloc. */ |
| 592 | image_write_q (abfd, (uquad) (entry->symbol->value)); |
| 593 | } |
| 594 | *quarter_relocs = 4; |
| 595 | break; |
| 596 | |
| 597 | /* Store offset to psect: pop stack, add low 32 bits to base of psect |
| 598 | arg: none. */ |
| 599 | case ETIR_S_C_STO_OFF: |
| 600 | { |
| 601 | uquad q; |
| 602 | int psect1; |
| 603 | |
| 604 | q = _bfd_vms_pop (abfd, & psect1); |
| 605 | q += (PRIV (sections)[psect1])->vma; |
| 606 | image_write_q (abfd, q); |
| 607 | } |
| 608 | *quarter_relocs += 2; |
| 609 | break; |
| 610 | |
| 611 | /* Store immediate |
| 612 | arg: lw count of bytes |
| 613 | da data. */ |
| 614 | case ETIR_S_C_STO_IMM: |
| 615 | { |
| 616 | int size; |
| 617 | |
| 618 | size = bfd_getl32 (ptr); |
| 619 | image_dump (abfd, ptr+4, size, 0); |
| 620 | } |
| 621 | *quarter_relocs = 0; |
| 622 | break; |
| 623 | |
| 624 | /* This code is 'reserved to digital' according to the openVMS |
| 625 | linker manual, however it is generated by the DEC C compiler |
| 626 | and defined in the include file. |
| 627 | FIXME, since the following is just a guess |
| 628 | store global longword: store 32bit value of symbol |
| 629 | arg: cs symbol name. */ |
| 630 | case ETIR_S_C_STO_GBL_LW: |
| 631 | { |
| 632 | vms_symbol_entry *entry; |
| 633 | char *name; |
| 634 | |
| 635 | name = _bfd_vms_save_counted_string (ptr); |
| 636 | entry = (vms_symbol_entry *) bfd_hash_lookup (PRIV (vms_symbol_table), |
| 637 | name, FALSE, FALSE); |
| 638 | if (entry == NULL) |
| 639 | { |
| 640 | #if VMS_DEBUG |
| 641 | _bfd_vms_debug (3, "%s: no symbol \"%s\"\n", cmd_name (cmd), name); |
| 642 | #endif |
| 643 | image_write_l (abfd, (unsigned long) 0); /* FIXME, reloc */ |
| 644 | } |
| 645 | else |
| 646 | /* FIXME, reloc. */ |
| 647 | image_write_l (abfd, (unsigned long) (entry->symbol->value)); |
| 648 | } |
| 649 | *quarter_relocs = 4; |
| 650 | break; |
| 651 | |
| 652 | case ETIR_S_C_STO_RB: |
| 653 | case ETIR_S_C_STO_AB: |
| 654 | case ETIR_S_C_STO_LP_PSB: |
| 655 | (*_bfd_error_handler) (_("%s: not supported"), cmd_name (cmd)); |
| 656 | *quarter_relocs = 0; |
| 657 | return FALSE; |
| 658 | |
| 659 | case ETIR_S_C_STO_HINT_GBL: |
| 660 | case ETIR_S_C_STO_HINT_PS: |
| 661 | (*_bfd_error_handler) (_("%s: not implemented"), cmd_name (cmd)); |
| 662 | *quarter_relocs = 0; |
| 663 | return FALSE; |
| 664 | |
| 665 | default: |
| 666 | (*_bfd_error_handler) (_("reserved STO cmd %d"), cmd); |
| 667 | *quarter_relocs = 0; |
| 668 | return FALSE; |
| 669 | } |
| 670 | |
| 671 | return TRUE; |
| 672 | } |
| 673 | |
| 674 | /* Stack operator commands |
| 675 | all 32 bit signed arithmetic |
| 676 | all word just like a stack calculator |
| 677 | arguments are popped from stack, results are pushed on stack |
| 678 | |
| 679 | see table B-10 of the openVMS linker manual. */ |
| 680 | |
| 681 | static bfd_boolean |
| 682 | etir_opr (bfd *abfd, int cmd, unsigned char *ptr ATTRIBUTE_UNUSED, |
| 683 | int *quarter_relocs) |
| 684 | { |
| 685 | long op1, op2; |
| 686 | |
| 687 | #if VMS_DEBUG |
| 688 | _bfd_vms_debug (5, "etir_opr %d/%x\n", cmd, cmd); |
| 689 | _bfd_hexdump (8, ptr, 16, (long) ptr); |
| 690 | #endif |
| 691 | |
| 692 | /* No relocation uses OPR commands except ETIR_S_C_OPR_ADD. */ |
| 693 | if (cmd == ETIR_S_C_OPR_ADD) |
| 694 | *quarter_relocs += 1; |
| 695 | else |
| 696 | *quarter_relocs = 0; |
| 697 | |
| 698 | switch (cmd) |
| 699 | { |
| 700 | case ETIR_S_C_OPR_NOP: /* No-op. */ |
| 701 | break; |
| 702 | |
| 703 | case ETIR_S_C_OPR_ADD: /* Add. */ |
| 704 | op1 = (long) _bfd_vms_pop (abfd, NULL); |
| 705 | op2 = (long) _bfd_vms_pop (abfd, NULL); |
| 706 | _bfd_vms_push (abfd, (uquad) (op1 + op2), -1); |
| 707 | break; |
| 708 | |
| 709 | case ETIR_S_C_OPR_SUB: /* Subtract. */ |
| 710 | op1 = (long) _bfd_vms_pop (abfd, NULL); |
| 711 | op2 = (long) _bfd_vms_pop (abfd, NULL); |
| 712 | _bfd_vms_push (abfd, (uquad) (op2 - op1), -1); |
| 713 | break; |
| 714 | |
| 715 | case ETIR_S_C_OPR_MUL: /* Multiply. */ |
| 716 | op1 = (long) _bfd_vms_pop (abfd, NULL); |
| 717 | op2 = (long) _bfd_vms_pop (abfd, NULL); |
| 718 | _bfd_vms_push (abfd, (uquad) (op1 * op2), -1); |
| 719 | break; |
| 720 | |
| 721 | case ETIR_S_C_OPR_DIV: /* Divide. */ |
| 722 | op1 = (long) _bfd_vms_pop (abfd, NULL); |
| 723 | op2 = (long) _bfd_vms_pop (abfd, NULL); |
| 724 | if (op2 == 0) |
| 725 | _bfd_vms_push (abfd, (uquad) 0, -1); |
| 726 | else |
| 727 | _bfd_vms_push (abfd, (uquad) (op2 / op1), -1); |
| 728 | break; |
| 729 | |
| 730 | case ETIR_S_C_OPR_AND: /* Logical AND. */ |
| 731 | op1 = (long) _bfd_vms_pop (abfd, NULL); |
| 732 | op2 = (long) _bfd_vms_pop (abfd, NULL); |
| 733 | _bfd_vms_push (abfd, (uquad) (op1 & op2), -1); |
| 734 | break; |
| 735 | |
| 736 | case ETIR_S_C_OPR_IOR: /* Logical inclusive OR. */ |
| 737 | op1 = (long) _bfd_vms_pop (abfd, NULL); |
| 738 | op2 = (long) _bfd_vms_pop (abfd, NULL); |
| 739 | _bfd_vms_push (abfd, (uquad) (op1 | op2), -1); |
| 740 | break; |
| 741 | |
| 742 | case ETIR_S_C_OPR_EOR: /* Logical exclusive OR. */ |
| 743 | op1 = (long) _bfd_vms_pop (abfd, NULL); |
| 744 | op2 = (long) _bfd_vms_pop (abfd, NULL); |
| 745 | _bfd_vms_push (abfd, (uquad) (op1 ^ op2), -1); |
| 746 | break; |
| 747 | |
| 748 | case ETIR_S_C_OPR_NEG: /* Negate. */ |
| 749 | op1 = (long) _bfd_vms_pop (abfd, NULL); |
| 750 | _bfd_vms_push (abfd, (uquad) (-op1), -1); |
| 751 | break; |
| 752 | |
| 753 | case ETIR_S_C_OPR_COM: /* Complement. */ |
| 754 | op1 = (long) _bfd_vms_pop (abfd, NULL); |
| 755 | _bfd_vms_push (abfd, (uquad) (op1 ^ -1L), -1); |
| 756 | break; |
| 757 | |
| 758 | case ETIR_S_C_OPR_ASH: /* Arithmetic shift. */ |
| 759 | op1 = (long) _bfd_vms_pop (abfd, NULL); |
| 760 | op2 = (long) _bfd_vms_pop (abfd, NULL); |
| 761 | if (op2 < 0) /* Shift right. */ |
| 762 | op1 >>= -op2; |
| 763 | else /* Shift left. */ |
| 764 | op1 <<= op2; |
| 765 | _bfd_vms_push (abfd, (uquad) op1, -1); |
| 766 | break; |
| 767 | |
| 768 | case ETIR_S_C_OPR_INSV: /* Insert field. */ |
| 769 | (void) _bfd_vms_pop (abfd, NULL); |
| 770 | case ETIR_S_C_OPR_USH: /* Unsigned shift. */ |
| 771 | case ETIR_S_C_OPR_ROT: /* Rotate. */ |
| 772 | case ETIR_S_C_OPR_REDEF: /* Redefine symbol to current location. */ |
| 773 | case ETIR_S_C_OPR_DFLIT: /* Define a literal. */ |
| 774 | (*_bfd_error_handler) (_("%s: not supported"), cmd_name (cmd)); |
| 775 | return FALSE; |
| 776 | |
| 777 | case ETIR_S_C_OPR_SEL: /* Select. */ |
| 778 | if ((long) _bfd_vms_pop (abfd, NULL) & 0x01L) |
| 779 | (void) _bfd_vms_pop (abfd, NULL); |
| 780 | else |
| 781 | { |
| 782 | op1 = (long) _bfd_vms_pop (abfd, NULL); |
| 783 | (void) _bfd_vms_pop (abfd, NULL); |
| 784 | _bfd_vms_push (abfd, (uquad) op1, -1); |
| 785 | } |
| 786 | break; |
| 787 | |
| 788 | default: |
| 789 | (*_bfd_error_handler) (_("reserved OPR cmd %d"), cmd); |
| 790 | return FALSE; |
| 791 | } |
| 792 | |
| 793 | return TRUE; |
| 794 | } |
| 795 | |
| 796 | /* Control commands. |
| 797 | |
| 798 | See table B-11 of the openVMS linker manual. */ |
| 799 | |
| 800 | static bfd_boolean |
| 801 | etir_ctl (bfd *abfd, int cmd, unsigned char *ptr, int *quarter_relocs) |
| 802 | { |
| 803 | uquad dummy; |
| 804 | int psect; |
| 805 | |
| 806 | #if VMS_DEBUG |
| 807 | _bfd_vms_debug (5, "etir_ctl %d/%x\n", cmd, cmd); |
| 808 | _bfd_hexdump (8, ptr, 16, (long) ptr); |
| 809 | #endif |
| 810 | |
| 811 | /* No relocation uses CTL commands. */ |
| 812 | *quarter_relocs = 0; |
| 813 | |
| 814 | switch (cmd) |
| 815 | { |
| 816 | /* Det relocation base: pop stack, set image location counter |
| 817 | arg: none. */ |
| 818 | case ETIR_S_C_CTL_SETRB: |
| 819 | dummy = _bfd_vms_pop (abfd, &psect); |
| 820 | image_set_ptr (abfd, psect, dummy); |
| 821 | break; |
| 822 | |
| 823 | /* Augment relocation base: increment image location counter by offset |
| 824 | arg: lw offset value. */ |
| 825 | case ETIR_S_C_CTL_AUGRB: |
| 826 | dummy = bfd_getl32 (ptr); |
| 827 | image_inc_ptr (abfd, dummy); |
| 828 | break; |
| 829 | |
| 830 | /* Define location: pop index, save location counter under index |
| 831 | arg: none. */ |
| 832 | case ETIR_S_C_CTL_DFLOC: |
| 833 | dummy = _bfd_vms_pop (abfd, NULL); |
| 834 | dst_define_location (abfd, dummy); |
| 835 | break; |
| 836 | |
| 837 | /* Set location: pop index, restore location counter from index |
| 838 | arg: none. */ |
| 839 | case ETIR_S_C_CTL_STLOC: |
| 840 | dummy = _bfd_vms_pop (abfd, NULL); |
| 841 | dst_restore_location (abfd, dummy); |
| 842 | break; |
| 843 | |
| 844 | /* Stack defined location: pop index, push location counter from index |
| 845 | arg: none. */ |
| 846 | case ETIR_S_C_CTL_STKDL: |
| 847 | dummy = _bfd_vms_pop (abfd, NULL); |
| 848 | _bfd_vms_push (abfd, dst_retrieve_location (abfd, dummy), -1); |
| 849 | break; |
| 850 | |
| 851 | default: |
| 852 | (*_bfd_error_handler) (_("reserved CTL cmd %d"), cmd); |
| 853 | return FALSE; |
| 854 | } |
| 855 | |
| 856 | return TRUE; |
| 857 | } |
| 858 | |
| 859 | /* Store conditional commands |
| 860 | |
| 861 | See table B-12 and B-13 of the openVMS linker manual. */ |
| 862 | |
| 863 | static bfd_boolean |
| 864 | etir_stc (bfd *abfd, int cmd, unsigned char *ptr ATTRIBUTE_UNUSED, |
| 865 | int *quarter_relocs) |
| 866 | { |
| 867 | #if VMS_DEBUG |
| 868 | _bfd_vms_debug (5, "etir_stc %d/%x\n", cmd, cmd); |
| 869 | _bfd_hexdump (8, ptr, 16, (long) ptr); |
| 870 | #endif |
| 871 | |
| 872 | switch (cmd) |
| 873 | { |
| 874 | /* 200 Store-conditional Linkage Pair |
| 875 | arg: none. */ |
| 876 | case ETIR_S_C_STC_LP: |
| 877 | |
| 878 | /* 202 Store-conditional Address at global address |
| 879 | arg: lw linkage index |
| 880 | cs global name. */ |
| 881 | |
| 882 | case ETIR_S_C_STC_GBL: |
| 883 | |
| 884 | /* 203 Store-conditional Code Address at global address |
| 885 | arg: lw linkage index |
| 886 | cs procedure name. */ |
| 887 | case ETIR_S_C_STC_GCA: |
| 888 | |
| 889 | /* 204 Store-conditional Address at psect + offset |
| 890 | arg: lw linkage index |
| 891 | lw psect index |
| 892 | qw offset. */ |
| 893 | case ETIR_S_C_STC_PS: |
| 894 | (*_bfd_error_handler) (_("%s: not supported"), cmd_name (cmd)); |
| 895 | *quarter_relocs = 0; |
| 896 | return FALSE; |
| 897 | |
| 898 | /* 201 Store-conditional Linkage Pair with Procedure Signature |
| 899 | arg: lw linkage index |
| 900 | cs procedure name |
| 901 | by signature length |
| 902 | da signature. */ |
| 903 | |
| 904 | case ETIR_S_C_STC_LP_PSB: |
| 905 | image_inc_ptr (abfd, (uquad) 16); /* skip entry,procval */ |
| 906 | *quarter_relocs = 4; |
| 907 | break; |
| 908 | |
| 909 | /* 205 Store-conditional NOP at address of global |
| 910 | arg: none. */ |
| 911 | case ETIR_S_C_STC_NOP_GBL: |
| 912 | /* ALPHA_R_NOP */ |
| 913 | |
| 914 | /* 207 Store-conditional BSR at global address |
| 915 | arg: none. */ |
| 916 | |
| 917 | case ETIR_S_C_STC_BSR_GBL: |
| 918 | /* ALPHA_R_BSR */ |
| 919 | |
| 920 | /* 209 Store-conditional LDA at global address |
| 921 | arg: none. */ |
| 922 | |
| 923 | case ETIR_S_C_STC_LDA_GBL: |
| 924 | /* ALPHA_R_LDA */ |
| 925 | |
| 926 | /* 211 Store-conditional BSR or Hint at global address |
| 927 | arg: none. */ |
| 928 | |
| 929 | case ETIR_S_C_STC_BOH_GBL: |
| 930 | *quarter_relocs = 4; |
| 931 | break; |
| 932 | |
| 933 | /* 213 Store-conditional NOP,BSR or HINT at global address |
| 934 | arg: none. */ |
| 935 | |
| 936 | case ETIR_S_C_STC_NBH_GBL: |
| 937 | |
| 938 | /* 206 Store-conditional NOP at pect + offset |
| 939 | arg: none. */ |
| 940 | |
| 941 | case ETIR_S_C_STC_NOP_PS: |
| 942 | |
| 943 | /* 208 Store-conditional BSR at pect + offset |
| 944 | arg: none. */ |
| 945 | |
| 946 | case ETIR_S_C_STC_BSR_PS: |
| 947 | |
| 948 | /* 210 Store-conditional LDA at psect + offset |
| 949 | arg: none. */ |
| 950 | |
| 951 | case ETIR_S_C_STC_LDA_PS: |
| 952 | |
| 953 | /* 212 Store-conditional BSR or Hint at pect + offset |
| 954 | arg: none. */ |
| 955 | |
| 956 | case ETIR_S_C_STC_BOH_PS: |
| 957 | |
| 958 | /* 214 Store-conditional NOP, BSR or HINT at psect + offset |
| 959 | arg: none. */ |
| 960 | case ETIR_S_C_STC_NBH_PS: |
| 961 | (*_bfd_error_handler) ("%s: not supported", cmd_name (cmd)); |
| 962 | *quarter_relocs = 0; |
| 963 | return FALSE; |
| 964 | |
| 965 | default: |
| 966 | (*_bfd_error_handler) (_("reserved STC cmd %d"), cmd); |
| 967 | *quarter_relocs = 0; |
| 968 | return FALSE; |
| 969 | } |
| 970 | |
| 971 | return TRUE; |
| 972 | } |
| 973 | |
| 974 | static asection * |
| 975 | new_section (bfd * abfd ATTRIBUTE_UNUSED, int idx) |
| 976 | { |
| 977 | asection *section; |
| 978 | char sname[16]; |
| 979 | char *name; |
| 980 | |
| 981 | #if VMS_DEBUG |
| 982 | _bfd_vms_debug (5, "new_section %d\n", idx); |
| 983 | #endif |
| 984 | sprintf (sname, SECTION_NAME_TEMPLATE, idx); |
| 985 | |
| 986 | name = bfd_malloc ((bfd_size_type) strlen (sname) + 1); |
| 987 | if (name == 0) |
| 988 | return NULL; |
| 989 | strcpy (name, sname); |
| 990 | |
| 991 | section = bfd_malloc ((bfd_size_type) sizeof (asection)); |
| 992 | if (section == 0) |
| 993 | { |
| 994 | #if VMS_DEBUG |
| 995 | _bfd_vms_debug (6, "new_section (%s) failed", name); |
| 996 | #endif |
| 997 | return NULL; |
| 998 | } |
| 999 | |
| 1000 | section->size = 0; |
| 1001 | section->vma = 0; |
| 1002 | section->contents = 0; |
| 1003 | section->name = name; |
| 1004 | section->index = idx; |
| 1005 | |
| 1006 | return section; |
| 1007 | } |
| 1008 | |
| 1009 | static int |
| 1010 | alloc_section (bfd * abfd, unsigned int idx) |
| 1011 | { |
| 1012 | bfd_size_type amt; |
| 1013 | |
| 1014 | #if VMS_DEBUG |
| 1015 | _bfd_vms_debug (4, "alloc_section %d\n", idx); |
| 1016 | #endif |
| 1017 | |
| 1018 | amt = idx + 1; |
| 1019 | amt *= sizeof (asection *); |
| 1020 | PRIV (sections) = bfd_realloc_or_free (PRIV (sections), amt); |
| 1021 | if (PRIV (sections) == NULL) |
| 1022 | return -1; |
| 1023 | |
| 1024 | while (PRIV (section_count) <= idx) |
| 1025 | { |
| 1026 | PRIV (sections)[PRIV (section_count)] |
| 1027 | = new_section (abfd, (int) PRIV (section_count)); |
| 1028 | if (PRIV (sections)[PRIV (section_count)] == 0) |
| 1029 | return -1; |
| 1030 | PRIV (section_count)++; |
| 1031 | } |
| 1032 | |
| 1033 | return 0; |
| 1034 | } |
| 1035 | |
| 1036 | /* tir_sta |
| 1037 | |
| 1038 | Vax stack commands. |
| 1039 | |
| 1040 | Handle sta_xxx commands in tir section, |
| 1041 | ptr points to data area in record. |
| 1042 | |
| 1043 | See table 7-3 of the VAX/VMS linker manual. */ |
| 1044 | |
| 1045 | static unsigned char * |
| 1046 | tir_sta (bfd * abfd, unsigned char *ptr) |
| 1047 | { |
| 1048 | int cmd = *ptr++; |
| 1049 | |
| 1050 | #if VMS_DEBUG |
| 1051 | _bfd_vms_debug (5, "tir_sta %d\n", cmd); |
| 1052 | #endif |
| 1053 | |
| 1054 | switch (cmd) |
| 1055 | { |
| 1056 | /* stack */ |
| 1057 | case TIR_S_C_STA_GBL: |
| 1058 | /* stack global |
| 1059 | arg: cs symbol name |
| 1060 | |
| 1061 | stack 32 bit value of symbol (high bits set to 0). */ |
| 1062 | { |
| 1063 | char *name; |
| 1064 | vms_symbol_entry *entry; |
| 1065 | |
| 1066 | name = _bfd_vms_save_counted_string (ptr); |
| 1067 | |
| 1068 | entry = _bfd_vms_enter_symbol (abfd, name); |
| 1069 | if (entry == NULL) |
| 1070 | return NULL; |
| 1071 | |
| 1072 | _bfd_vms_push (abfd, (uquad) (entry->symbol->value), -1); |
| 1073 | ptr += *ptr + 1; |
| 1074 | } |
| 1075 | break; |
| 1076 | |
| 1077 | case TIR_S_C_STA_SB: |
| 1078 | /* stack signed byte |
| 1079 | arg: by value |
| 1080 | |
| 1081 | stack byte value, sign extend to 32 bit. */ |
| 1082 | _bfd_vms_push (abfd, (uquad) *ptr++, -1); |
| 1083 | break; |
| 1084 | |
| 1085 | case TIR_S_C_STA_SW: |
| 1086 | /* stack signed short word |
| 1087 | arg: sh value |
| 1088 | |
| 1089 | stack 16 bit value, sign extend to 32 bit. */ |
| 1090 | _bfd_vms_push (abfd, (uquad) bfd_getl16 (ptr), -1); |
| 1091 | ptr += 2; |
| 1092 | break; |
| 1093 | |
| 1094 | case TIR_S_C_STA_LW: |
| 1095 | /* stack signed longword |
| 1096 | arg: lw value |
| 1097 | |
| 1098 | stack 32 bit value. */ |
| 1099 | _bfd_vms_push (abfd, (uquad) bfd_getl32 (ptr), -1); |
| 1100 | ptr += 4; |
| 1101 | break; |
| 1102 | |
| 1103 | case TIR_S_C_STA_PB: |
| 1104 | case TIR_S_C_STA_WPB: |
| 1105 | /* stack psect base plus byte offset (word index) |
| 1106 | arg: by section index |
| 1107 | (sh section index) |
| 1108 | by signed byte offset. */ |
| 1109 | { |
| 1110 | unsigned long dummy; |
| 1111 | int psect; |
| 1112 | |
| 1113 | if (cmd == TIR_S_C_STA_PB) |
| 1114 | psect = *ptr++; |
| 1115 | else |
| 1116 | { |
| 1117 | psect = bfd_getl16 (ptr); |
| 1118 | ptr += 2; |
| 1119 | } |
| 1120 | |
| 1121 | if ((unsigned int) psect >= PRIV (section_count)) |
| 1122 | alloc_section (abfd, psect); |
| 1123 | |
| 1124 | dummy = (long) *ptr++; |
| 1125 | dummy += (PRIV (sections)[psect])->vma; |
| 1126 | _bfd_vms_push (abfd, (uquad) dummy, psect); |
| 1127 | } |
| 1128 | break; |
| 1129 | |
| 1130 | case TIR_S_C_STA_PW: |
| 1131 | case TIR_S_C_STA_WPW: |
| 1132 | /* stack psect base plus word offset (word index) |
| 1133 | arg: by section index |
| 1134 | (sh section index) |
| 1135 | sh signed short offset. */ |
| 1136 | { |
| 1137 | unsigned long dummy; |
| 1138 | int psect; |
| 1139 | |
| 1140 | if (cmd == TIR_S_C_STA_PW) |
| 1141 | psect = *ptr++; |
| 1142 | else |
| 1143 | { |
| 1144 | psect = bfd_getl16 (ptr); |
| 1145 | ptr += 2; |
| 1146 | } |
| 1147 | |
| 1148 | if ((unsigned int) psect >= PRIV (section_count)) |
| 1149 | alloc_section (abfd, psect); |
| 1150 | |
| 1151 | dummy = bfd_getl16 (ptr); ptr+=2; |
| 1152 | dummy += (PRIV (sections)[psect])->vma; |
| 1153 | _bfd_vms_push (abfd, (uquad) dummy, psect); |
| 1154 | } |
| 1155 | break; |
| 1156 | |
| 1157 | case TIR_S_C_STA_PL: |
| 1158 | case TIR_S_C_STA_WPL: |
| 1159 | /* stack psect base plus long offset (word index) |
| 1160 | arg: by section index |
| 1161 | (sh section index) |
| 1162 | lw signed longword offset. */ |
| 1163 | { |
| 1164 | unsigned long dummy; |
| 1165 | int psect; |
| 1166 | |
| 1167 | if (cmd == TIR_S_C_STA_PL) |
| 1168 | psect = *ptr++; |
| 1169 | else |
| 1170 | { |
| 1171 | psect = bfd_getl16 (ptr); |
| 1172 | ptr += 2; |
| 1173 | } |
| 1174 | |
| 1175 | if ((unsigned int) psect >= PRIV (section_count)) |
| 1176 | alloc_section (abfd, psect); |
| 1177 | |
| 1178 | dummy = bfd_getl32 (ptr); ptr += 4; |
| 1179 | dummy += (PRIV (sections)[psect])->vma; |
| 1180 | _bfd_vms_push (abfd, (uquad) dummy, psect); |
| 1181 | } |
| 1182 | break; |
| 1183 | |
| 1184 | case TIR_S_C_STA_UB: |
| 1185 | /* stack unsigned byte |
| 1186 | arg: by value |
| 1187 | |
| 1188 | stack byte value. */ |
| 1189 | _bfd_vms_push (abfd, (uquad) *ptr++, -1); |
| 1190 | break; |
| 1191 | |
| 1192 | case TIR_S_C_STA_UW: |
| 1193 | /* stack unsigned short word |
| 1194 | arg: sh value |
| 1195 | |
| 1196 | stack 16 bit value. */ |
| 1197 | _bfd_vms_push (abfd, (uquad) bfd_getl16 (ptr), -1); |
| 1198 | ptr += 2; |
| 1199 | break; |
| 1200 | |
| 1201 | case TIR_S_C_STA_BFI: |
| 1202 | /* stack byte from image |
| 1203 | arg: none. */ |
| 1204 | /* FALLTHRU */ |
| 1205 | case TIR_S_C_STA_WFI: |
| 1206 | /* stack byte from image |
| 1207 | arg: none. */ |
| 1208 | /* FALLTHRU */ |
| 1209 | case TIR_S_C_STA_LFI: |
| 1210 | /* stack byte from image |
| 1211 | arg: none. */ |
| 1212 | (*_bfd_error_handler) (_("stack-from-image not implemented")); |
| 1213 | return NULL; |
| 1214 | |
| 1215 | case TIR_S_C_STA_EPM: |
| 1216 | /* stack entry point mask |
| 1217 | arg: cs symbol name |
| 1218 | |
| 1219 | stack (unsigned) entry point mask of symbol |
| 1220 | err if symbol is no entry point. */ |
| 1221 | { |
| 1222 | char *name; |
| 1223 | vms_symbol_entry *entry; |
| 1224 | |
| 1225 | name = _bfd_vms_save_counted_string (ptr); |
| 1226 | entry = _bfd_vms_enter_symbol (abfd, name); |
| 1227 | if (entry == NULL) |
| 1228 | return NULL; |
| 1229 | |
| 1230 | (*_bfd_error_handler) (_("stack-entry-mask not fully implemented")); |
| 1231 | _bfd_vms_push (abfd, (uquad) 0, -1); |
| 1232 | ptr += *ptr + 1; |
| 1233 | } |
| 1234 | break; |
| 1235 | |
| 1236 | case TIR_S_C_STA_CKARG: |
| 1237 | /* compare procedure argument |
| 1238 | arg: cs symbol name |
| 1239 | by argument index |
| 1240 | da argument descriptor |
| 1241 | |
| 1242 | compare argument descriptor with symbol argument (ARG$V_PASSMECH) |
| 1243 | and stack TRUE (args match) or FALSE (args dont match) value. */ |
| 1244 | (*_bfd_error_handler) (_("PASSMECH not fully implemented")); |
| 1245 | _bfd_vms_push (abfd, (uquad) 1, -1); |
| 1246 | break; |
| 1247 | |
| 1248 | case TIR_S_C_STA_LSY: |
| 1249 | /* stack local symbol value |
| 1250 | arg: sh environment index |
| 1251 | cs symbol name. */ |
| 1252 | { |
| 1253 | int envidx; |
| 1254 | char *name; |
| 1255 | vms_symbol_entry *entry; |
| 1256 | |
| 1257 | envidx = bfd_getl16 (ptr); |
| 1258 | ptr += 2; |
| 1259 | name = _bfd_vms_save_counted_string (ptr); |
| 1260 | entry = _bfd_vms_enter_symbol (abfd, name); |
| 1261 | if (entry == NULL) |
| 1262 | return NULL; |
| 1263 | (*_bfd_error_handler) (_("stack-local-symbol not fully implemented")); |
| 1264 | _bfd_vms_push (abfd, (uquad) 0, -1); |
| 1265 | ptr += *ptr + 1; |
| 1266 | } |
| 1267 | break; |
| 1268 | |
| 1269 | case TIR_S_C_STA_LIT: |
| 1270 | /* stack literal |
| 1271 | arg: by literal index |
| 1272 | |
| 1273 | stack literal. */ |
| 1274 | ptr++; |
| 1275 | _bfd_vms_push (abfd, (uquad) 0, -1); |
| 1276 | (*_bfd_error_handler) (_("stack-literal not fully implemented")); |
| 1277 | break; |
| 1278 | |
| 1279 | case TIR_S_C_STA_LEPM: |
| 1280 | /* stack local symbol entry point mask |
| 1281 | arg: sh environment index |
| 1282 | cs symbol name |
| 1283 | |
| 1284 | stack (unsigned) entry point mask of symbol |
| 1285 | err if symbol is no entry point. */ |
| 1286 | { |
| 1287 | int envidx; |
| 1288 | char *name; |
| 1289 | vms_symbol_entry *entry; |
| 1290 | |
| 1291 | envidx = bfd_getl16 (ptr); |
| 1292 | ptr += 2; |
| 1293 | name = _bfd_vms_save_counted_string (ptr); |
| 1294 | entry = _bfd_vms_enter_symbol (abfd, name); |
| 1295 | if (entry == NULL) |
| 1296 | return NULL; |
| 1297 | (*_bfd_error_handler) (_("stack-local-symbol-entry-point-mask not fully implemented")); |
| 1298 | _bfd_vms_push (abfd, (uquad) 0, -1); |
| 1299 | ptr += *ptr + 1; |
| 1300 | } |
| 1301 | break; |
| 1302 | |
| 1303 | default: |
| 1304 | (*_bfd_error_handler) (_("reserved STA cmd %d"), ptr[-1]); |
| 1305 | return NULL; |
| 1306 | break; |
| 1307 | } |
| 1308 | |
| 1309 | return ptr; |
| 1310 | } |
| 1311 | |
| 1312 | static const char * |
| 1313 | tir_cmd_name (int cmd) |
| 1314 | { |
| 1315 | switch (cmd) |
| 1316 | { |
| 1317 | case TIR_S_C_STO_RSB: return "TIR_S_C_STO_RSB"; |
| 1318 | case TIR_S_C_STO_RSW: return "TIR_S_C_STO_RSW"; |
| 1319 | case TIR_S_C_STO_RL: return "TIR_S_C_STO_RL"; |
| 1320 | case TIR_S_C_STO_VPS: return "TIR_S_C_STO_VPS"; |
| 1321 | case TIR_S_C_STO_USB: return "TIR_S_C_STO_USB"; |
| 1322 | case TIR_S_C_STO_USW: return "TIR_S_C_STO_USW"; |
| 1323 | case TIR_S_C_STO_RUB: return "TIR_S_C_STO_RUB"; |
| 1324 | case TIR_S_C_STO_RUW: return "TIR_S_C_STO_RUW"; |
| 1325 | case TIR_S_C_STO_PIRR: return "TIR_S_C_STO_PIRR"; |
| 1326 | case TIR_S_C_OPR_INSV: return "TIR_S_C_OPR_INSV"; |
| 1327 | case TIR_S_C_OPR_DFLIT: return "TIR_S_C_OPR_DFLIT"; |
| 1328 | case TIR_S_C_OPR_REDEF: return "TIR_S_C_OPR_REDEF"; |
| 1329 | case TIR_S_C_OPR_ROT: return "TIR_S_C_OPR_ROT"; |
| 1330 | case TIR_S_C_OPR_USH: return "TIR_S_C_OPR_USH"; |
| 1331 | case TIR_S_C_OPR_ASH: return "TIR_S_C_OPR_ASH"; |
| 1332 | case TIR_S_C_CTL_DFLOC: return "TIR_S_C_CTL_DFLOC"; |
| 1333 | case TIR_S_C_CTL_STLOC: return "TIR_S_C_CTL_STLOC"; |
| 1334 | case TIR_S_C_CTL_STKDL: return "TIR_S_C_CTL_STKDL"; |
| 1335 | |
| 1336 | default: |
| 1337 | /* These strings have not been added yet. */ |
| 1338 | abort (); |
| 1339 | } |
| 1340 | } |
| 1341 | |
| 1342 | /* tir_sto |
| 1343 | |
| 1344 | vax store commands |
| 1345 | |
| 1346 | handle sto_xxx commands in tir section |
| 1347 | ptr points to data area in record |
| 1348 | |
| 1349 | See table 7-4 of the VAX/VMS linker manual. */ |
| 1350 | |
| 1351 | static unsigned char * |
| 1352 | tir_sto (bfd * abfd, unsigned char *ptr) |
| 1353 | { |
| 1354 | unsigned long dummy; |
| 1355 | int size; |
| 1356 | int psect; |
| 1357 | |
| 1358 | #if VMS_DEBUG |
| 1359 | _bfd_vms_debug (5, "tir_sto %d\n", *ptr); |
| 1360 | #endif |
| 1361 | |
| 1362 | switch (*ptr++) |
| 1363 | { |
| 1364 | case TIR_S_C_STO_SB: |
| 1365 | /* Store signed byte: pop stack, write byte |
| 1366 | arg: none. */ |
| 1367 | dummy = _bfd_vms_pop (abfd, &psect); |
| 1368 | image_write_b (abfd, dummy & 0xff); /* FIXME: check top bits */ |
| 1369 | break; |
| 1370 | |
| 1371 | case TIR_S_C_STO_SW: |
| 1372 | /* Store signed word: pop stack, write word |
| 1373 | arg: none. */ |
| 1374 | dummy = _bfd_vms_pop (abfd, &psect); |
| 1375 | image_write_w (abfd, dummy & 0xffff); /* FIXME: check top bits */ |
| 1376 | break; |
| 1377 | |
| 1378 | case TIR_S_C_STO_LW: |
| 1379 | /* Store longword: pop stack, write longword |
| 1380 | arg: none. */ |
| 1381 | dummy = _bfd_vms_pop (abfd, &psect); |
| 1382 | image_write_l (abfd, dummy & 0xffffffff); /* FIXME: check top bits */ |
| 1383 | break; |
| 1384 | |
| 1385 | case TIR_S_C_STO_BD: |
| 1386 | /* Store byte displaced: pop stack, sub lc+1, write byte |
| 1387 | arg: none. */ |
| 1388 | dummy = _bfd_vms_pop (abfd, &psect); |
| 1389 | dummy -= ((PRIV (sections)[psect])->vma + 1); |
| 1390 | image_write_b (abfd, dummy & 0xff);/* FIXME: check top bits */ |
| 1391 | break; |
| 1392 | |
| 1393 | case TIR_S_C_STO_WD: |
| 1394 | /* Store word displaced: pop stack, sub lc+2, write word |
| 1395 | arg: none. */ |
| 1396 | dummy = _bfd_vms_pop (abfd, &psect); |
| 1397 | dummy -= ((PRIV (sections)[psect])->vma + 2); |
| 1398 | image_write_w (abfd, dummy & 0xffff);/* FIXME: check top bits */ |
| 1399 | break; |
| 1400 | |
| 1401 | case TIR_S_C_STO_LD: |
| 1402 | /* Store long displaced: pop stack, sub lc+4, write long |
| 1403 | arg: none. */ |
| 1404 | dummy = _bfd_vms_pop (abfd, &psect); |
| 1405 | dummy -= ((PRIV (sections)[psect])->vma + 4); |
| 1406 | image_write_l (abfd, dummy & 0xffffffff);/* FIXME: check top bits */ |
| 1407 | break; |
| 1408 | |
| 1409 | case TIR_S_C_STO_LI: |
| 1410 | /* Store short literal: pop stack, write byte |
| 1411 | arg: none. */ |
| 1412 | dummy = _bfd_vms_pop (abfd, &psect); |
| 1413 | image_write_b (abfd, dummy & 0xff);/* FIXME: check top bits */ |
| 1414 | break; |
| 1415 | |
| 1416 | case TIR_S_C_STO_PIDR: |
| 1417 | /* Store position independent data reference: pop stack, write longword |
| 1418 | arg: none. |
| 1419 | FIXME: incomplete ! */ |
| 1420 | dummy = _bfd_vms_pop (abfd, &psect); |
| 1421 | image_write_l (abfd, dummy & 0xffffffff); |
| 1422 | break; |
| 1423 | |
| 1424 | case TIR_S_C_STO_PICR: |
| 1425 | /* Store position independent code reference: pop stack, write longword |
| 1426 | arg: none. |
| 1427 | FIXME: incomplete ! */ |
| 1428 | dummy = _bfd_vms_pop (abfd, &psect); |
| 1429 | image_write_b (abfd, 0x9f); |
| 1430 | image_write_l (abfd, dummy & 0xffffffff); |
| 1431 | break; |
| 1432 | |
| 1433 | case TIR_S_C_STO_RIVB: |
| 1434 | /* Store repeated immediate variable bytes |
| 1435 | 1-byte count n field followed by n bytes of data |
| 1436 | pop stack, write n bytes <stack> times. */ |
| 1437 | size = *ptr++; |
| 1438 | dummy = (unsigned long) _bfd_vms_pop (abfd, NULL); |
| 1439 | while (dummy-- > 0L) |
| 1440 | image_dump (abfd, ptr, size, 0); |
| 1441 | ptr += size; |
| 1442 | break; |
| 1443 | |
| 1444 | case TIR_S_C_STO_B: |
| 1445 | /* Store byte from top longword. */ |
| 1446 | dummy = (unsigned long) _bfd_vms_pop (abfd, NULL); |
| 1447 | image_write_b (abfd, dummy & 0xff); |
| 1448 | break; |
| 1449 | |
| 1450 | case TIR_S_C_STO_W: |
| 1451 | /* Store word from top longword. */ |
| 1452 | dummy = (unsigned long) _bfd_vms_pop (abfd, NULL); |
| 1453 | image_write_w (abfd, dummy & 0xffff); |
| 1454 | break; |
| 1455 | |
| 1456 | case TIR_S_C_STO_RB: |
| 1457 | /* Store repeated byte from top longword. */ |
| 1458 | size = (unsigned long) _bfd_vms_pop (abfd, NULL); |
| 1459 | dummy = (unsigned long) _bfd_vms_pop (abfd, NULL); |
| 1460 | while (size-- > 0) |
| 1461 | image_write_b (abfd, dummy & 0xff); |
| 1462 | break; |
| 1463 | |
| 1464 | case TIR_S_C_STO_RW: |
| 1465 | /* Store repeated word from top longword. */ |
| 1466 | size = (unsigned long) _bfd_vms_pop (abfd, NULL); |
| 1467 | dummy = (unsigned long) _bfd_vms_pop (abfd, NULL); |
| 1468 | while (size-- > 0) |
| 1469 | image_write_w (abfd, dummy & 0xffff); |
| 1470 | break; |
| 1471 | |
| 1472 | case TIR_S_C_STO_RSB: |
| 1473 | case TIR_S_C_STO_RSW: |
| 1474 | case TIR_S_C_STO_RL: |
| 1475 | case TIR_S_C_STO_VPS: |
| 1476 | case TIR_S_C_STO_USB: |
| 1477 | case TIR_S_C_STO_USW: |
| 1478 | case TIR_S_C_STO_RUB: |
| 1479 | case TIR_S_C_STO_RUW: |
| 1480 | case TIR_S_C_STO_PIRR: |
| 1481 | (*_bfd_error_handler) (_("%s: not implemented"), tir_cmd_name (ptr[-1])); |
| 1482 | break; |
| 1483 | |
| 1484 | default: |
| 1485 | (*_bfd_error_handler) (_("reserved STO cmd %d"), ptr[-1]); |
| 1486 | break; |
| 1487 | } |
| 1488 | |
| 1489 | return ptr; |
| 1490 | } |
| 1491 | |
| 1492 | /* Stack operator commands |
| 1493 | All 32 bit signed arithmetic |
| 1494 | All word just like a stack calculator |
| 1495 | Arguments are popped from stack, results are pushed on stack |
| 1496 | |
| 1497 | See table 7-5 of the VAX/VMS linker manual. */ |
| 1498 | |
| 1499 | static unsigned char * |
| 1500 | tir_opr (bfd * abfd, unsigned char *ptr) |
| 1501 | { |
| 1502 | long op1, op2; |
| 1503 | |
| 1504 | #if VMS_DEBUG |
| 1505 | _bfd_vms_debug (5, "tir_opr %d\n", *ptr); |
| 1506 | #endif |
| 1507 | |
| 1508 | /* Operation. */ |
| 1509 | switch (*ptr++) |
| 1510 | { |
| 1511 | case TIR_S_C_OPR_NOP: /* No-op. */ |
| 1512 | break; |
| 1513 | |
| 1514 | case TIR_S_C_OPR_ADD: /* Add. */ |
| 1515 | op1 = (long) _bfd_vms_pop (abfd, NULL); |
| 1516 | op2 = (long) _bfd_vms_pop (abfd, NULL); |
| 1517 | _bfd_vms_push (abfd, (uquad) (op1 + op2), -1); |
| 1518 | break; |
| 1519 | |
| 1520 | case TIR_S_C_OPR_SUB: /* Subtract. */ |
| 1521 | op1 = (long) _bfd_vms_pop (abfd, NULL); |
| 1522 | op2 = (long) _bfd_vms_pop (abfd, NULL); |
| 1523 | _bfd_vms_push (abfd, (uquad) (op2 - op1), -1); |
| 1524 | break; |
| 1525 | |
| 1526 | case TIR_S_C_OPR_MUL: /* Multiply. */ |
| 1527 | op1 = (long) _bfd_vms_pop (abfd, NULL); |
| 1528 | op2 = (long) _bfd_vms_pop (abfd, NULL); |
| 1529 | _bfd_vms_push (abfd, (uquad) (op1 * op2), -1); |
| 1530 | break; |
| 1531 | |
| 1532 | case TIR_S_C_OPR_DIV: /* Divide. */ |
| 1533 | op1 = (long) _bfd_vms_pop (abfd, NULL); |
| 1534 | op2 = (long) _bfd_vms_pop (abfd, NULL); |
| 1535 | if (op2 == 0) |
| 1536 | _bfd_vms_push (abfd, (uquad) 0, -1); |
| 1537 | else |
| 1538 | _bfd_vms_push (abfd, (uquad) (op2 / op1), -1); |
| 1539 | break; |
| 1540 | |
| 1541 | case TIR_S_C_OPR_AND: /* Logical AND. */ |
| 1542 | op1 = (long) _bfd_vms_pop (abfd, NULL); |
| 1543 | op2 = (long) _bfd_vms_pop (abfd, NULL); |
| 1544 | _bfd_vms_push (abfd, (uquad) (op1 & op2), -1); |
| 1545 | break; |
| 1546 | |
| 1547 | case TIR_S_C_OPR_IOR: /* Logical inclusive OR. */ |
| 1548 | op1 = (long) _bfd_vms_pop (abfd, NULL); |
| 1549 | op2 = (long) _bfd_vms_pop (abfd, NULL); |
| 1550 | _bfd_vms_push (abfd, (uquad) (op1 | op2), -1); |
| 1551 | break; |
| 1552 | |
| 1553 | case TIR_S_C_OPR_EOR: /* Logical exclusive OR. */ |
| 1554 | op1 = (long) _bfd_vms_pop (abfd, NULL); |
| 1555 | op2 = (long) _bfd_vms_pop (abfd, NULL); |
| 1556 | _bfd_vms_push (abfd, (uquad) (op1 ^ op2), -1); |
| 1557 | break; |
| 1558 | |
| 1559 | case TIR_S_C_OPR_NEG: /* Negate. */ |
| 1560 | op1 = (long) _bfd_vms_pop (abfd, NULL); |
| 1561 | _bfd_vms_push (abfd, (uquad) (-op1), -1); |
| 1562 | break; |
| 1563 | |
| 1564 | case TIR_S_C_OPR_COM: /* Complement. */ |
| 1565 | op1 = (long) _bfd_vms_pop (abfd, NULL); |
| 1566 | _bfd_vms_push (abfd, (uquad) (op1 ^ -1L), -1); |
| 1567 | break; |
| 1568 | |
| 1569 | case TIR_S_C_OPR_INSV: /* Insert field. */ |
| 1570 | (void) _bfd_vms_pop (abfd, NULL); |
| 1571 | (*_bfd_error_handler) (_("%s: not fully implemented"), |
| 1572 | tir_cmd_name (ptr[-1])); |
| 1573 | break; |
| 1574 | |
| 1575 | case TIR_S_C_OPR_ASH: /* Arithmetic shift. */ |
| 1576 | op1 = (long) _bfd_vms_pop (abfd, NULL); |
| 1577 | op2 = (long) _bfd_vms_pop (abfd, NULL); |
| 1578 | if (HIGHBIT (op1)) /* Shift right. */ |
| 1579 | op2 >>= op1; |
| 1580 | else /* Shift left. */ |
| 1581 | op2 <<= op1; |
| 1582 | _bfd_vms_push (abfd, (uquad) op2, -1); |
| 1583 | (*_bfd_error_handler) (_("%s: not fully implemented"), |
| 1584 | tir_cmd_name (ptr[-1])); |
| 1585 | break; |
| 1586 | |
| 1587 | case TIR_S_C_OPR_USH: /* Unsigned shift. */ |
| 1588 | op1 = (long) _bfd_vms_pop (abfd, NULL); |
| 1589 | op2 = (long) _bfd_vms_pop (abfd, NULL); |
| 1590 | if (HIGHBIT (op1)) /* Shift right. */ |
| 1591 | op2 >>= op1; |
| 1592 | else /* Shift left. */ |
| 1593 | op2 <<= op1; |
| 1594 | _bfd_vms_push (abfd, (uquad) op2, -1); |
| 1595 | (*_bfd_error_handler) (_("%s: not fully implemented"), |
| 1596 | tir_cmd_name (ptr[-1])); |
| 1597 | break; |
| 1598 | |
| 1599 | case TIR_S_C_OPR_ROT: /* Rotate. */ |
| 1600 | op1 = (long) _bfd_vms_pop (abfd, NULL); |
| 1601 | op2 = (long) _bfd_vms_pop (abfd, NULL); |
| 1602 | if (HIGHBIT (0)) /* Shift right. */ |
| 1603 | op2 >>= op1; |
| 1604 | else /* Shift left. */ |
| 1605 | op2 <<= op1; |
| 1606 | _bfd_vms_push (abfd, (uquad) op2, -1); |
| 1607 | (*_bfd_error_handler) (_("%s: not fully implemented"), |
| 1608 | tir_cmd_name (ptr[-1])); |
| 1609 | break; |
| 1610 | |
| 1611 | case TIR_S_C_OPR_SEL: /* Select. */ |
| 1612 | if ((long) _bfd_vms_pop (abfd, NULL) & 0x01L) |
| 1613 | (void) _bfd_vms_pop (abfd, NULL); |
| 1614 | else |
| 1615 | { |
| 1616 | op1 = (long) _bfd_vms_pop (abfd, NULL); |
| 1617 | (void) _bfd_vms_pop (abfd, NULL); |
| 1618 | _bfd_vms_push (abfd, (uquad) op1, -1); |
| 1619 | } |
| 1620 | break; |
| 1621 | |
| 1622 | case TIR_S_C_OPR_REDEF: /* Redefine symbol to current location. */ |
| 1623 | case TIR_S_C_OPR_DFLIT: /* Define a literal. */ |
| 1624 | (*_bfd_error_handler) (_("%s: not supported"), |
| 1625 | tir_cmd_name (ptr[-1])); |
| 1626 | break; |
| 1627 | |
| 1628 | default: |
| 1629 | (*_bfd_error_handler) (_("reserved OPR cmd %d"), ptr[-1]); |
| 1630 | break; |
| 1631 | } |
| 1632 | |
| 1633 | return ptr; |
| 1634 | } |
| 1635 | |
| 1636 | /* Control commands |
| 1637 | |
| 1638 | See table 7-6 of the VAX/VMS linker manual. */ |
| 1639 | |
| 1640 | static unsigned char * |
| 1641 | tir_ctl (bfd * abfd, unsigned char *ptr) |
| 1642 | { |
| 1643 | unsigned long dummy; |
| 1644 | int psect; |
| 1645 | |
| 1646 | #if VMS_DEBUG |
| 1647 | _bfd_vms_debug (5, "tir_ctl %d\n", *ptr); |
| 1648 | #endif |
| 1649 | |
| 1650 | switch (*ptr++) |
| 1651 | { |
| 1652 | case TIR_S_C_CTL_SETRB: |
| 1653 | /* Set relocation base: pop stack, set image location counter |
| 1654 | arg: none. */ |
| 1655 | dummy = _bfd_vms_pop (abfd, &psect); |
| 1656 | if ((unsigned int) psect >= PRIV (section_count)) |
| 1657 | alloc_section (abfd, psect); |
| 1658 | image_set_ptr (abfd, psect, (uquad) dummy); |
| 1659 | break; |
| 1660 | |
| 1661 | case TIR_S_C_CTL_AUGRB: |
| 1662 | /* Augment relocation base: increment image location counter by offset |
| 1663 | arg: lw offset value. */ |
| 1664 | dummy = bfd_getl32 (ptr); |
| 1665 | image_inc_ptr (abfd, (uquad) dummy); |
| 1666 | break; |
| 1667 | |
| 1668 | case TIR_S_C_CTL_DFLOC: |
| 1669 | /* Define location: pop index, save location counter under index |
| 1670 | arg: none. */ |
| 1671 | dummy = _bfd_vms_pop (abfd, NULL); |
| 1672 | (*_bfd_error_handler) (_("%s: not fully implemented"), |
| 1673 | tir_cmd_name (ptr[-1])); |
| 1674 | break; |
| 1675 | |
| 1676 | case TIR_S_C_CTL_STLOC: |
| 1677 | /* Set location: pop index, restore location counter from index |
| 1678 | arg: none. */ |
| 1679 | dummy = _bfd_vms_pop (abfd, &psect); |
| 1680 | (*_bfd_error_handler) (_("%s: not fully implemented"), |
| 1681 | tir_cmd_name (ptr[-1])); |
| 1682 | break; |
| 1683 | |
| 1684 | case TIR_S_C_CTL_STKDL: |
| 1685 | /* Stack defined location: pop index, push location counter from index |
| 1686 | arg: none. */ |
| 1687 | dummy = _bfd_vms_pop (abfd, &psect); |
| 1688 | (*_bfd_error_handler) (_("%s: not fully implemented"), |
| 1689 | tir_cmd_name (ptr[-1])); |
| 1690 | break; |
| 1691 | |
| 1692 | default: |
| 1693 | (*_bfd_error_handler) (_("reserved CTL cmd %d"), ptr[-1]); |
| 1694 | break; |
| 1695 | } |
| 1696 | return ptr; |
| 1697 | } |
| 1698 | |
| 1699 | /* Handle command from TIR section. */ |
| 1700 | |
| 1701 | static unsigned char * |
| 1702 | tir_cmd (bfd * abfd, unsigned char *ptr) |
| 1703 | { |
| 1704 | static const struct |
| 1705 | { |
| 1706 | int mincod; |
| 1707 | int maxcod; |
| 1708 | unsigned char * (*explain) (bfd *, unsigned char *); |
| 1709 | } |
| 1710 | tir_table[] = |
| 1711 | { |
| 1712 | { 0, TIR_S_C_MAXSTACOD, tir_sta }, |
| 1713 | { TIR_S_C_MINSTOCOD, TIR_S_C_MAXSTOCOD, tir_sto }, |
| 1714 | { TIR_S_C_MINOPRCOD, TIR_S_C_MAXOPRCOD, tir_opr }, |
| 1715 | { TIR_S_C_MINCTLCOD, TIR_S_C_MAXCTLCOD, tir_ctl }, |
| 1716 | { -1, -1, NULL } |
| 1717 | }; |
| 1718 | int i = 0; |
| 1719 | |
| 1720 | #if VMS_DEBUG |
| 1721 | _bfd_vms_debug (4, "tir_cmd %d/%x\n", *ptr, *ptr); |
| 1722 | _bfd_hexdump (8, ptr, 16, (long) ptr); |
| 1723 | #endif |
| 1724 | |
| 1725 | if (*ptr & 0x80) |
| 1726 | { |
| 1727 | /* Store immediate. */ |
| 1728 | i = 128 - (*ptr++ & 0x7f); |
| 1729 | image_dump (abfd, ptr, i, 0); |
| 1730 | ptr += i; |
| 1731 | } |
| 1732 | else |
| 1733 | { |
| 1734 | while (tir_table[i].mincod >= 0) |
| 1735 | { |
| 1736 | if ( (tir_table[i].mincod <= *ptr) |
| 1737 | && (*ptr <= tir_table[i].maxcod)) |
| 1738 | { |
| 1739 | ptr = tir_table[i].explain (abfd, ptr); |
| 1740 | break; |
| 1741 | } |
| 1742 | i++; |
| 1743 | } |
| 1744 | if (tir_table[i].mincod < 0) |
| 1745 | { |
| 1746 | (*_bfd_error_handler) (_("obj code %d not found"), *ptr); |
| 1747 | ptr = 0; |
| 1748 | } |
| 1749 | } |
| 1750 | |
| 1751 | return ptr; |
| 1752 | } |
| 1753 | |
| 1754 | /* Handle command from ETIR section. */ |
| 1755 | |
| 1756 | static int |
| 1757 | etir_cmd (bfd *abfd, int cmd, unsigned char *ptr, int *quarter_relocs) |
| 1758 | { |
| 1759 | static const struct |
| 1760 | { |
| 1761 | int mincod; |
| 1762 | int maxcod; |
| 1763 | bfd_boolean (*explain) (bfd *, int, unsigned char *, int *); |
| 1764 | } |
| 1765 | etir_table[] = |
| 1766 | { |
| 1767 | { ETIR_S_C_MINSTACOD, ETIR_S_C_MAXSTACOD, etir_sta }, |
| 1768 | { ETIR_S_C_MINSTOCOD, ETIR_S_C_MAXSTOCOD, etir_sto }, |
| 1769 | { ETIR_S_C_MINOPRCOD, ETIR_S_C_MAXOPRCOD, etir_opr }, |
| 1770 | { ETIR_S_C_MINCTLCOD, ETIR_S_C_MAXCTLCOD, etir_ctl }, |
| 1771 | { ETIR_S_C_MINSTCCOD, ETIR_S_C_MAXSTCCOD, etir_stc }, |
| 1772 | { -1, -1, NULL } |
| 1773 | }; |
| 1774 | |
| 1775 | int i = 0; |
| 1776 | |
| 1777 | #if VMS_DEBUG |
| 1778 | _bfd_vms_debug (4, "etir_cmd: %s(%d)\n", cmd_name (cmd), cmd); |
| 1779 | _bfd_hexdump (8, ptr, 16, (long) ptr); |
| 1780 | #endif |
| 1781 | |
| 1782 | while (etir_table[i].mincod >= 0) |
| 1783 | { |
| 1784 | if ( (etir_table[i].mincod <= cmd) |
| 1785 | && (cmd <= etir_table[i].maxcod)) |
| 1786 | { |
| 1787 | if (!etir_table[i].explain (abfd, cmd, ptr, quarter_relocs)) |
| 1788 | return -1; |
| 1789 | break; |
| 1790 | } |
| 1791 | i++; |
| 1792 | } |
| 1793 | |
| 1794 | #if VMS_DEBUG |
| 1795 | _bfd_vms_debug (4, "etir_cmd: result = 0\n"); |
| 1796 | #endif |
| 1797 | return 0; |
| 1798 | } |
| 1799 | |
| 1800 | /* Text Information and Relocation Records (OBJ$C_TIR) |
| 1801 | handle tir record. */ |
| 1802 | |
| 1803 | static int |
| 1804 | analyze_tir (bfd * abfd, unsigned char *ptr, unsigned int length) |
| 1805 | { |
| 1806 | unsigned char *maxptr; |
| 1807 | |
| 1808 | #if VMS_DEBUG |
| 1809 | _bfd_vms_debug (3, "analyze_tir: %d bytes\n", length); |
| 1810 | #endif |
| 1811 | |
| 1812 | maxptr = ptr + length; |
| 1813 | |
| 1814 | while (ptr < maxptr) |
| 1815 | { |
| 1816 | ptr = tir_cmd (abfd, ptr); |
| 1817 | if (ptr == 0) |
| 1818 | return -1; |
| 1819 | } |
| 1820 | |
| 1821 | return 0; |
| 1822 | } |
| 1823 | |
| 1824 | /* Text Information and Relocation Records (EOBJ$C_ETIR) |
| 1825 | handle etir record. */ |
| 1826 | |
| 1827 | static int |
| 1828 | analyze_etir (bfd * abfd, unsigned char *ptr, unsigned int length) |
| 1829 | { |
| 1830 | unsigned char *maxptr = ptr + length; |
| 1831 | /* Relocations are made of 1, 2 or 4 ETIR commands. |
| 1832 | We therefore count them using quarters. */ |
| 1833 | int quarter_relocs = 0; |
| 1834 | int result = 0; |
| 1835 | |
| 1836 | #if VMS_DEBUG |
| 1837 | _bfd_vms_debug (3, "analyze_etir: %d bytes\n", length); |
| 1838 | #endif |
| 1839 | |
| 1840 | while (ptr < maxptr) |
| 1841 | { |
| 1842 | int cmd = bfd_getl16 (ptr); |
| 1843 | int cmd_length = bfd_getl16 (ptr + 2); |
| 1844 | result = etir_cmd (abfd, cmd, ptr + 4, &quarter_relocs); |
| 1845 | if (result != 0) |
| 1846 | break; |
| 1847 | |
| 1848 | /* If we have a relocation, we record its length to size |
| 1849 | future buffers and bump the reloc count of the section. */ |
| 1850 | if (quarter_relocs) |
| 1851 | { |
| 1852 | vms_section_data (PRIV (image_section))->reloc_size += cmd_length; |
| 1853 | abfd->flags |= HAS_RELOC; |
| 1854 | |
| 1855 | if (quarter_relocs == 4) |
| 1856 | { |
| 1857 | PRIV (image_section)->reloc_count++; |
| 1858 | |
| 1859 | #if VMS_DEBUG |
| 1860 | _bfd_vms_debug (4, "-> reloc %d at 0x%x\n", |
| 1861 | PRIV (image_section)->reloc_count-1, |
| 1862 | ptr - (maxptr - length)); |
| 1863 | #endif |
| 1864 | |
| 1865 | quarter_relocs = 0; |
| 1866 | } |
| 1867 | else if (quarter_relocs > 4) |
| 1868 | { |
| 1869 | |
| 1870 | #if VMS_DEBUG |
| 1871 | _bfd_vms_debug (4, "Reloc count error (%d) in section %s\n", |
| 1872 | PRIV (image_section)->reloc_count, |
| 1873 | PRIV (image_section)->name); |
| 1874 | #endif |
| 1875 | |
| 1876 | quarter_relocs = 0; |
| 1877 | } |
| 1878 | } |
| 1879 | |
| 1880 | /* If we have a Store Immediate, we reserve space for the |
| 1881 | count argument. */ |
| 1882 | else if (cmd == ETIR_S_C_STO_IMM) |
| 1883 | vms_section_data (PRIV (image_section))->reloc_size |
| 1884 | += ETIR_S_C_HEADER_SIZE + 4; |
| 1885 | |
| 1886 | ptr += cmd_length; |
| 1887 | } |
| 1888 | |
| 1889 | #if VMS_DEBUG |
| 1890 | _bfd_vms_debug (3, "analyze_etir: result = %d\n", result); |
| 1891 | #endif |
| 1892 | |
| 1893 | return result; |
| 1894 | } |
| 1895 | |
| 1896 | /* Process ETIR record |
| 1897 | Return 0 on success, -1 on error. */ |
| 1898 | |
| 1899 | int |
| 1900 | _bfd_vms_slurp_tir (bfd * abfd, int objtype) |
| 1901 | { |
| 1902 | int result; |
| 1903 | |
| 1904 | #if VMS_DEBUG |
| 1905 | _bfd_vms_debug (2, "TIR/ETIR\n"); |
| 1906 | #endif |
| 1907 | |
| 1908 | switch (objtype) |
| 1909 | { |
| 1910 | case EOBJ_S_C_ETIR: |
| 1911 | PRIV (vms_rec) += ETIR_S_C_HEADER_SIZE; |
| 1912 | PRIV (rec_size) -= ETIR_S_C_HEADER_SIZE; |
| 1913 | result = analyze_etir (abfd, PRIV (vms_rec), (unsigned) PRIV (rec_size)); |
| 1914 | break; |
| 1915 | case OBJ_S_C_TIR: |
| 1916 | PRIV (vms_rec) += 1; /* Skip type. */ |
| 1917 | PRIV (rec_size) -= 1; |
| 1918 | result = analyze_tir (abfd, PRIV (vms_rec), (unsigned) PRIV (rec_size)); |
| 1919 | break; |
| 1920 | default: |
| 1921 | result = -1; |
| 1922 | break; |
| 1923 | } |
| 1924 | |
| 1925 | return result; |
| 1926 | } |
| 1927 | |
| 1928 | /* Slurp relocs from ETIR sections and (temporarily) save them |
| 1929 | in the per-section reloc buffer. */ |
| 1930 | |
| 1931 | int |
| 1932 | _bfd_vms_slurp_relocs (bfd *abfd) |
| 1933 | { |
| 1934 | struct vms_section_data_struct *vsd; |
| 1935 | unsigned char *begin = PRIV (vms_rec) + 4; |
| 1936 | unsigned char *end = PRIV (vms_rec) + PRIV (rec_size); |
| 1937 | unsigned char *ptr; |
| 1938 | int cmd, length, slurped_length; |
| 1939 | |
| 1940 | #if VMS_DEBUG |
| 1941 | _bfd_vms_debug (3, "_bfd_vms_slurp_relocs: %d bytes\n", PRIV (rec_size)); |
| 1942 | #endif |
| 1943 | |
| 1944 | for (ptr = begin; ptr < end; ptr += length) |
| 1945 | { |
| 1946 | cmd = bfd_getl16 (ptr); |
| 1947 | length = bfd_getl16 (ptr + 2); |
| 1948 | slurped_length = length; |
| 1949 | |
| 1950 | switch (cmd) |
| 1951 | { |
| 1952 | case ETIR_S_C_STA_PQ: /* ALPHA_R_REF{LONG|QUAD}, others part 1 */ |
| 1953 | /* This one is special as it is both part of the section header |
| 1954 | and of the ALPHA_R_REFLONG and ALPHA_R_REFQUAD relocations. */ |
| 1955 | if (bfd_getl16 (ptr + length) == ETIR_S_C_CTL_SETRB) |
| 1956 | { |
| 1957 | int psect = bfd_getl32 (ptr + ETIR_S_C_HEADER_SIZE); |
| 1958 | PRIV (image_section) = PRIV (sections)[psect]; |
| 1959 | continue; |
| 1960 | } |
| 1961 | |
| 1962 | case ETIR_S_C_STA_GBL: /* ALPHA_R_REFLONG und_section, step 1 */ |
| 1963 | /* ALPHA_R_REFQUAD und_section, step 1 */ |
| 1964 | break; |
| 1965 | |
| 1966 | case ETIR_S_C_STA_LW: /* ALPHA_R_REFLONG und_section, step 2 */ |
| 1967 | /* ALPHA_R_REFLONG abs_section, step 1 */ |
| 1968 | /* This one is special as it is both part of the section header |
| 1969 | and of the ALPHA_R_REFLONG relocation. */ |
| 1970 | if (bfd_getl16 (ptr + length) == ETIR_S_C_CTL_DFLOC) |
| 1971 | { |
| 1972 | PRIV (image_section) = PRIV (dst_section); |
| 1973 | continue; |
| 1974 | } |
| 1975 | |
| 1976 | case ETIR_S_C_STA_QW: /* ALPHA_R_REFQUAD und_section, step 2 */ |
| 1977 | /* ALPHA_R_REFQUAD abs_section, step 1 */ |
| 1978 | |
| 1979 | case ETIR_S_C_STO_LW: /* ALPHA_R_REFLONG und_section, step 4 */ |
| 1980 | /* ALPHA_R_REFLONG abs_section, step 2 */ |
| 1981 | /* ALPHA_R_REFLONG others, step 2 */ |
| 1982 | |
| 1983 | case ETIR_S_C_STO_QW: /* ALPHA_R_REFQUAD und_section, step 4 */ |
| 1984 | /* ALPHA_R_REFQUAD abs_section, step 2 */ |
| 1985 | |
| 1986 | case ETIR_S_C_STO_OFF: /* ALPHA_R_REFQUAD others, step 2 */ |
| 1987 | |
| 1988 | case ETIR_S_C_OPR_ADD: /* ALPHA_R_REFLONG und_section, step 3 */ |
| 1989 | /* ALPHA_R_REFQUAD und_section, step 3 */ |
| 1990 | |
| 1991 | case ETIR_S_C_STO_CA: /* ALPHA_R_CODEADDR */ |
| 1992 | case ETIR_S_C_STO_GBL: /* ALPHA_R_REFQUAD und_section */ |
| 1993 | case ETIR_S_C_STO_GBL_LW: /* ALPHA_R_REFLONG und_section */ |
| 1994 | case ETIR_S_C_STC_LP_PSB: /* ALPHA_R_LINKAGE */ |
| 1995 | case ETIR_S_C_STC_NOP_GBL: /* ALPHA_R_NOP */ |
| 1996 | case ETIR_S_C_STC_BSR_GBL: /* ALPHA_R_BSR */ |
| 1997 | case ETIR_S_C_STC_LDA_GBL: /* ALPHA_R_LDA */ |
| 1998 | case ETIR_S_C_STC_BOH_GBL: /* ALPHA_R_BOH */ |
| 1999 | break; |
| 2000 | |
| 2001 | case ETIR_S_C_STO_IMM: |
| 2002 | if (PRIV (image_section)->reloc_count == 0) |
| 2003 | continue; |
| 2004 | /* This is not a relocation, but we nevertheless slurp the |
| 2005 | count argument. We'll use it to compute the addresses |
| 2006 | of the relocations. */ |
| 2007 | slurped_length = ETIR_S_C_HEADER_SIZE + 4; |
| 2008 | break; |
| 2009 | |
| 2010 | default: |
| 2011 | continue; |
| 2012 | } |
| 2013 | |
| 2014 | vsd = vms_section_data (PRIV (image_section)); |
| 2015 | memcpy (vsd->reloc_stream + vsd->reloc_offset, ptr, slurped_length); |
| 2016 | vsd->reloc_offset += slurped_length; |
| 2017 | if (vsd->reloc_offset > vsd->reloc_size) |
| 2018 | { |
| 2019 | (*_bfd_error_handler) (_("Reloc size error in section %s"), |
| 2020 | PRIV (image_section)->name); |
| 2021 | return -1; |
| 2022 | } |
| 2023 | } |
| 2024 | |
| 2025 | #if VMS_DEBUG |
| 2026 | _bfd_vms_debug (3, "_bfd_vms_slurp_relocs: result = 0\n"); |
| 2027 | #endif |
| 2028 | |
| 2029 | return 0; |
| 2030 | } |
| 2031 | |
| 2032 | /* Decode relocs from the reloc buffer of the specified section |
| 2033 | and internalize them in the specified buffer. */ |
| 2034 | |
| 2035 | int |
| 2036 | _bfd_vms_decode_relocs (bfd *abfd, arelent *relocs, asection *section, |
| 2037 | asymbol **symbols ATTRIBUTE_UNUSED) |
| 2038 | { |
| 2039 | int saved_cmd, saved_sym_offset, saved_sec_offset, saved_addend_offset; |
| 2040 | int cmd, sym_offset, sec_offset, address_offset, addend_offset; |
| 2041 | struct vms_section_data_struct *vsd = vms_section_data (section); |
| 2042 | bfd_reloc_code_real_type reloc_code; |
| 2043 | vms_symbol_entry *entry; |
| 2044 | bfd_vma vaddr = 0; |
| 2045 | unsigned char *begin = vsd->reloc_stream; |
| 2046 | unsigned char *end = vsd->reloc_stream + vsd->reloc_size; |
| 2047 | unsigned char *ptr, *arg_ptr; |
| 2048 | const char *name; |
| 2049 | int length; |
| 2050 | |
| 2051 | #if VMS_DEBUG |
| 2052 | _bfd_vms_debug (3, "_bfd_vms_decode_relocs: %d bytes\n", vsd->reloc_size); |
| 2053 | #endif |
| 2054 | |
| 2055 | #define PUSH_CMD() \ |
| 2056 | { \ |
| 2057 | saved_cmd = cmd; \ |
| 2058 | saved_sym_offset = sym_offset - length; \ |
| 2059 | saved_sec_offset = sec_offset - length; \ |
| 2060 | saved_addend_offset = addend_offset - length; \ |
| 2061 | continue; \ |
| 2062 | } |
| 2063 | |
| 2064 | #define POP_CMD() \ |
| 2065 | { \ |
| 2066 | cmd = saved_cmd; \ |
| 2067 | saved_cmd = ETIR_S_C_MAXSTCCOD + 1; \ |
| 2068 | sym_offset = saved_sym_offset; \ |
| 2069 | sec_offset = saved_sec_offset; \ |
| 2070 | addend_offset= saved_addend_offset; \ |
| 2071 | } |
| 2072 | |
| 2073 | #define CMD_PUSHED (saved_cmd != ETIR_S_C_MAXSTCCOD + 1) |
| 2074 | |
| 2075 | #define NO_OFFSET -128 |
| 2076 | |
| 2077 | saved_cmd = ETIR_S_C_MAXSTCCOD + 1; |
| 2078 | saved_sym_offset = NO_OFFSET; |
| 2079 | saved_sec_offset = NO_OFFSET; |
| 2080 | saved_addend_offset = NO_OFFSET; |
| 2081 | |
| 2082 | for (ptr = begin; ptr < end; ptr += length) |
| 2083 | { |
| 2084 | cmd = bfd_getl16 (ptr); |
| 2085 | length = bfd_getl16 (ptr + 2); |
| 2086 | |
| 2087 | arg_ptr = ptr + ETIR_S_C_HEADER_SIZE; |
| 2088 | sym_offset = NO_OFFSET; |
| 2089 | sec_offset = NO_OFFSET; |
| 2090 | address_offset = NO_OFFSET; |
| 2091 | addend_offset = NO_OFFSET; |
| 2092 | |
| 2093 | switch (cmd) |
| 2094 | { |
| 2095 | case ETIR_S_C_STA_GBL: /* ALPHA_R_REFLONG und_section, step 1 */ |
| 2096 | /* ALPHA_R_REFQUAD und_section, step 1 */ |
| 2097 | sym_offset = 0; |
| 2098 | PUSH_CMD () |
| 2099 | |
| 2100 | case ETIR_S_C_STA_PQ: /* ALPHA_R_REF{LONG|QUAD}, others part 1 */ |
| 2101 | sec_offset = 0; |
| 2102 | addend_offset = 4; |
| 2103 | PUSH_CMD () |
| 2104 | |
| 2105 | case ETIR_S_C_STA_LW: /* ALPHA_R_REFLONG abs_section, step 1 */ |
| 2106 | /* ALPHA_R_REFLONG und_section, step 2 */ |
| 2107 | if (CMD_PUSHED) |
| 2108 | { |
| 2109 | POP_CMD () |
| 2110 | if (cmd != ETIR_S_C_STA_GBL) |
| 2111 | { |
| 2112 | (*_bfd_error_handler) (_("Unknown reloc %s + %s"), |
| 2113 | cmd_name (cmd), |
| 2114 | cmd_name (ETIR_S_C_STA_LW)); |
| 2115 | return 0; |
| 2116 | } |
| 2117 | cmd = ETIR_S_C_STA_LW; |
| 2118 | } |
| 2119 | addend_offset = 0; |
| 2120 | PUSH_CMD () |
| 2121 | |
| 2122 | case ETIR_S_C_STA_QW: /* ALPHA_R_REFQUAD abs_section, step 1 */ |
| 2123 | /* ALPHA_R_REFQUAD und_section, step 2 */ |
| 2124 | if (CMD_PUSHED) |
| 2125 | { |
| 2126 | POP_CMD () |
| 2127 | if (cmd != ETIR_S_C_STA_GBL) |
| 2128 | { |
| 2129 | (*_bfd_error_handler) (_("Unknown reloc %s + %s"), |
| 2130 | cmd_name (cmd), |
| 2131 | cmd_name (ETIR_S_C_STA_QW)); |
| 2132 | return 0; |
| 2133 | } |
| 2134 | cmd = ETIR_S_C_STA_QW; |
| 2135 | } |
| 2136 | addend_offset = 0; |
| 2137 | PUSH_CMD () |
| 2138 | |
| 2139 | case ETIR_S_C_STO_LW: /* ALPHA_R_REFLONG und_section, step 4 */ |
| 2140 | /* ALPHA_R_REFLONG abs_section, step 2 */ |
| 2141 | /* ALPHA_R_REFLONG others, step 2 */ |
| 2142 | POP_CMD () |
| 2143 | if (cmd != ETIR_S_C_OPR_ADD |
| 2144 | && cmd != ETIR_S_C_STA_LW |
| 2145 | && cmd != ETIR_S_C_STA_PQ) |
| 2146 | { |
| 2147 | (*_bfd_error_handler) (_("Unknown reloc %s + %s"), |
| 2148 | cmd_name (cmd), cmd_name (ETIR_S_C_STO_LW)); |
| 2149 | return 0; |
| 2150 | } |
| 2151 | reloc_code = BFD_RELOC_32; |
| 2152 | break; |
| 2153 | |
| 2154 | case ETIR_S_C_STO_QW: /* ALPHA_R_REFQUAD und_section, step 4 */ |
| 2155 | /* ALPHA_R_REFQUAD abs_section, step 2 */ |
| 2156 | POP_CMD () |
| 2157 | if (cmd != ETIR_S_C_OPR_ADD && cmd != ETIR_S_C_STA_QW) |
| 2158 | { |
| 2159 | (*_bfd_error_handler) (_("Unknown reloc %s + %s"), |
| 2160 | cmd_name (cmd), cmd_name (ETIR_S_C_STO_QW)); |
| 2161 | return 0; |
| 2162 | } |
| 2163 | reloc_code = BFD_RELOC_64; |
| 2164 | break; |
| 2165 | |
| 2166 | case ETIR_S_C_STO_OFF: /* ALPHA_R_REFQUAD others, step 2 */ |
| 2167 | POP_CMD () |
| 2168 | if (cmd != ETIR_S_C_STA_PQ) |
| 2169 | { |
| 2170 | (*_bfd_error_handler) (_("Unknown reloc %s + %s"), |
| 2171 | cmd_name (cmd), cmd_name (ETIR_S_C_STO_OFF)); |
| 2172 | return 0; |
| 2173 | } |
| 2174 | reloc_code = BFD_RELOC_64; |
| 2175 | break; |
| 2176 | |
| 2177 | case ETIR_S_C_OPR_ADD: /* ALPHA_R_REFLONG und_section, step 3 */ |
| 2178 | /* ALPHA_R_REFQUAD und_section, step 3 */ |
| 2179 | POP_CMD () |
| 2180 | if (cmd != ETIR_S_C_STA_LW && cmd != ETIR_S_C_STA_QW) |
| 2181 | { |
| 2182 | (*_bfd_error_handler) (_("Unknown reloc %s + %s"), |
| 2183 | cmd_name (cmd), cmd_name (ETIR_S_C_OPR_ADD)); |
| 2184 | return 0; |
| 2185 | } |
| 2186 | cmd = ETIR_S_C_OPR_ADD; |
| 2187 | PUSH_CMD () |
| 2188 | |
| 2189 | case ETIR_S_C_STO_CA: /* ALPHA_R_CODEADDR */ |
| 2190 | reloc_code = BFD_RELOC_ALPHA_CODEADDR; |
| 2191 | sym_offset = 0; |
| 2192 | break; |
| 2193 | |
| 2194 | case ETIR_S_C_STO_GBL: /* ALPHA_R_REFQUAD und_section */ |
| 2195 | reloc_code = BFD_RELOC_64; |
| 2196 | sym_offset = 0; |
| 2197 | break; |
| 2198 | |
| 2199 | case ETIR_S_C_STO_GBL_LW: /* ALPHA_R_REFLONG und_section */ |
| 2200 | reloc_code = BFD_RELOC_32; |
| 2201 | sym_offset = 0; |
| 2202 | break; |
| 2203 | |
| 2204 | case ETIR_S_C_STC_LP_PSB: /* ALPHA_R_LINKAGE */ |
| 2205 | reloc_code = BFD_RELOC_ALPHA_LINKAGE; |
| 2206 | sym_offset = 4; |
| 2207 | break; |
| 2208 | |
| 2209 | case ETIR_S_C_STC_NOP_GBL: /* ALPHA_R_NOP */ |
| 2210 | reloc_code = BFD_RELOC_ALPHA_NOP; |
| 2211 | goto call_reloc; |
| 2212 | |
| 2213 | case ETIR_S_C_STC_BSR_GBL: /* ALPHA_R_BSR */ |
| 2214 | reloc_code = BFD_RELOC_ALPHA_BSR; |
| 2215 | goto call_reloc; |
| 2216 | |
| 2217 | case ETIR_S_C_STC_LDA_GBL: /* ALPHA_R_LDA */ |
| 2218 | reloc_code = BFD_RELOC_ALPHA_LDA; |
| 2219 | goto call_reloc; |
| 2220 | |
| 2221 | case ETIR_S_C_STC_BOH_GBL: /* ALPHA_R_BOH */ |
| 2222 | reloc_code = BFD_RELOC_ALPHA_BOH; |
| 2223 | goto call_reloc; |
| 2224 | |
| 2225 | call_reloc: |
| 2226 | sym_offset = 32; |
| 2227 | address_offset = 8; |
| 2228 | addend_offset = 24; |
| 2229 | break; |
| 2230 | |
| 2231 | case ETIR_S_C_STO_IMM: |
| 2232 | vaddr += bfd_getl32 (arg_ptr); |
| 2233 | length = ETIR_S_C_HEADER_SIZE + 4; |
| 2234 | continue; |
| 2235 | |
| 2236 | default: |
| 2237 | continue; |
| 2238 | } |
| 2239 | |
| 2240 | relocs->howto = bfd_reloc_type_lookup (abfd, reloc_code); |
| 2241 | |
| 2242 | if (sym_offset > NO_OFFSET) |
| 2243 | { |
| 2244 | name = _bfd_vms_save_counted_string (arg_ptr + sym_offset); |
| 2245 | entry = (vms_symbol_entry *) |
| 2246 | bfd_hash_lookup (PRIV (vms_symbol_table), name, FALSE, FALSE); |
| 2247 | if (entry == NULL) |
| 2248 | { |
| 2249 | (*_bfd_error_handler) (_("Unknown symbol %s in command %s"), |
| 2250 | name, cmd_name (cmd)); |
| 2251 | relocs->sym_ptr_ptr = NULL; |
| 2252 | } |
| 2253 | else |
| 2254 | /* ??? This is a hack. We should point in 'symbols'. */ |
| 2255 | relocs->sym_ptr_ptr = &entry->symbol; |
| 2256 | } |
| 2257 | else if (sec_offset > NO_OFFSET) |
| 2258 | relocs->sym_ptr_ptr |
| 2259 | = PRIV (sections)[bfd_getl32 (arg_ptr + sec_offset)]->symbol_ptr_ptr; |
| 2260 | else |
| 2261 | relocs->sym_ptr_ptr = NULL; |
| 2262 | |
| 2263 | if (address_offset > NO_OFFSET) |
| 2264 | relocs->address = bfd_getl64 (arg_ptr + address_offset); |
| 2265 | else |
| 2266 | relocs->address = vaddr; |
| 2267 | |
| 2268 | if (addend_offset > NO_OFFSET) |
| 2269 | relocs->addend = bfd_getl64 (arg_ptr + addend_offset); |
| 2270 | else |
| 2271 | relocs->addend = 0; |
| 2272 | |
| 2273 | vaddr += bfd_get_reloc_size (relocs->howto); |
| 2274 | relocs++; |
| 2275 | } |
| 2276 | |
| 2277 | #undef PUSH_CMD |
| 2278 | #undef POP_CMD |
| 2279 | #undef NO_OFFSET |
| 2280 | |
| 2281 | #if VMS_DEBUG |
| 2282 | _bfd_vms_debug (3, "_bfd_vms_decode_relocs: result = 0\n"); |
| 2283 | #endif |
| 2284 | |
| 2285 | return 0; |
| 2286 | } |
| 2287 | |
| 2288 | /* Process LNK record |
| 2289 | Return 0 on success, -1 on error |
| 2290 | |
| 2291 | Not implemented yet. */ |
| 2292 | |
| 2293 | int |
| 2294 | _bfd_vms_slurp_lnk (bfd * abfd ATTRIBUTE_UNUSED, |
| 2295 | int objtype ATTRIBUTE_UNUSED) |
| 2296 | { |
| 2297 | #if VMS_DEBUG |
| 2298 | _bfd_vms_debug (2, "LNK\n"); |
| 2299 | #endif |
| 2300 | |
| 2301 | return 0; |
| 2302 | } |
| 2303 | \f |
| 2304 | /* WRITE ETIR SECTION |
| 2305 | |
| 2306 | This is still under construction and therefore not documented. */ |
| 2307 | |
| 2308 | static void start_etir_record (bfd *abfd, int index, uquad offset, |
| 2309 | bfd_boolean justoffset); |
| 2310 | static void start_first_etbt_record (bfd *abfd); |
| 2311 | static void start_another_etbt_record (bfd *abfd); |
| 2312 | static void sto_imm (bfd *abfd, bfd_size_type, unsigned char *, bfd_vma vaddr, |
| 2313 | int index, const char *name); |
| 2314 | static void end_etir_record (bfd *abfd); |
| 2315 | static void etir_output_check (bfd *abfd, asection *section, bfd_vma vaddr, |
| 2316 | int checklen); |
| 2317 | |
| 2318 | /* Start ETIR record for section #index at virtual addr offset. */ |
| 2319 | |
| 2320 | static void |
| 2321 | start_etir_record (bfd * abfd, int index, uquad offset, bfd_boolean justoffset) |
| 2322 | { |
| 2323 | if (!justoffset) |
| 2324 | { |
| 2325 | /* One ETIR per section. */ |
| 2326 | _bfd_vms_output_begin (abfd, EOBJ_S_C_ETIR, -1); |
| 2327 | _bfd_vms_output_push (abfd); |
| 2328 | } |
| 2329 | |
| 2330 | /* Push start offset. */ |
| 2331 | _bfd_vms_output_begin (abfd, ETIR_S_C_STA_PQ, -1); |
| 2332 | _bfd_vms_output_long (abfd, (unsigned long) index); |
| 2333 | _bfd_vms_output_quad (abfd, (uquad) offset); |
| 2334 | _bfd_vms_output_flush (abfd); |
| 2335 | |
| 2336 | /* Start = pop (). */ |
| 2337 | _bfd_vms_output_begin (abfd, ETIR_S_C_CTL_SETRB, -1); |
| 2338 | _bfd_vms_output_flush (abfd); |
| 2339 | } |
| 2340 | |
| 2341 | static void |
| 2342 | end_etir_record (bfd * abfd) |
| 2343 | { |
| 2344 | _bfd_vms_output_pop (abfd); |
| 2345 | _bfd_vms_output_end (abfd); |
| 2346 | } |
| 2347 | |
| 2348 | /* Output a STO_IMM command for SSIZE bytes of data from CPR at virtual |
| 2349 | address VADDR in section specified by INDEX and NAME. */ |
| 2350 | |
| 2351 | static void |
| 2352 | sto_imm (bfd *abfd, bfd_size_type ssize, unsigned char *cptr, bfd_vma vaddr, |
| 2353 | int index, const char *name) |
| 2354 | { |
| 2355 | bfd_size_type size; |
| 2356 | |
| 2357 | #if VMS_DEBUG |
| 2358 | _bfd_vms_debug (8, "sto_imm %d bytes\n", ssize); |
| 2359 | _bfd_hexdump (9, cptr, (int) ssize, (int) vaddr); |
| 2360 | #endif |
| 2361 | |
| 2362 | while (ssize > 0) |
| 2363 | { |
| 2364 | /* Try all the rest. */ |
| 2365 | size = ssize; |
| 2366 | |
| 2367 | if (_bfd_vms_output_check (abfd, size) < 0) |
| 2368 | { |
| 2369 | /* Doesn't fit, split ! */ |
| 2370 | end_etir_record (abfd); |
| 2371 | |
| 2372 | if (name [0] && name[1] == 'v' && !strcmp (name, ".vmsdebug")) |
| 2373 | start_another_etbt_record (abfd); |
| 2374 | else |
| 2375 | start_etir_record (abfd, index, vaddr, FALSE); |
| 2376 | |
| 2377 | size = _bfd_vms_output_check (abfd, 0); /* get max size */ |
| 2378 | if (size > ssize) /* more than what's left ? */ |
| 2379 | size = ssize; |
| 2380 | } |
| 2381 | |
| 2382 | _bfd_vms_output_begin (abfd, ETIR_S_C_STO_IMM, -1); |
| 2383 | _bfd_vms_output_long (abfd, (unsigned long) (size)); |
| 2384 | _bfd_vms_output_dump (abfd, cptr, size); |
| 2385 | _bfd_vms_output_flush (abfd); |
| 2386 | |
| 2387 | #if VMS_DEBUG |
| 2388 | _bfd_vms_debug (10, "dumped %d bytes\n", size); |
| 2389 | _bfd_hexdump (10, cptr, (int) size, (int) vaddr); |
| 2390 | #endif |
| 2391 | |
| 2392 | vaddr += size; |
| 2393 | cptr += size; |
| 2394 | ssize -= size; |
| 2395 | } |
| 2396 | } |
| 2397 | |
| 2398 | /* Start ETBT record for section #index at virtual addr offset. */ |
| 2399 | |
| 2400 | static void |
| 2401 | start_first_etbt_record (bfd *abfd) |
| 2402 | { |
| 2403 | _bfd_vms_output_begin (abfd, EOBJ_S_C_ETBT, -1); |
| 2404 | _bfd_vms_output_push (abfd); |
| 2405 | |
| 2406 | _bfd_vms_output_begin (abfd, ETIR_S_C_STA_LW, -1); /* push start offset */ |
| 2407 | _bfd_vms_output_long (abfd, (unsigned long) 0); |
| 2408 | _bfd_vms_output_flush (abfd); |
| 2409 | |
| 2410 | _bfd_vms_output_begin (abfd, ETIR_S_C_CTL_DFLOC, -1); /* start = pop() */ |
| 2411 | _bfd_vms_output_flush (abfd); |
| 2412 | } |
| 2413 | |
| 2414 | static void |
| 2415 | start_another_etbt_record (bfd *abfd) |
| 2416 | { |
| 2417 | _bfd_vms_output_begin (abfd, EOBJ_S_C_ETBT, -1); |
| 2418 | _bfd_vms_output_push (abfd); |
| 2419 | } |
| 2420 | |
| 2421 | static void |
| 2422 | etir_output_check (bfd *abfd, asection *section, bfd_vma vaddr, int checklen) |
| 2423 | { |
| 2424 | if (_bfd_vms_output_check (abfd, checklen) < 0) |
| 2425 | { |
| 2426 | end_etir_record (abfd); |
| 2427 | if (section->name[0] && section->name[1] == 'v' |
| 2428 | && !strcmp (section->name, ".vmsdebug")) |
| 2429 | start_another_etbt_record (abfd); |
| 2430 | else |
| 2431 | start_etir_record (abfd, section->index, vaddr, FALSE); |
| 2432 | } |
| 2433 | } |
| 2434 | |
| 2435 | /* Return whether RELOC must be deferred till the end. */ |
| 2436 | |
| 2437 | static int |
| 2438 | defer_reloc_p (arelent *reloc) |
| 2439 | { |
| 2440 | switch (reloc->howto->type) |
| 2441 | { |
| 2442 | case ALPHA_R_NOP: |
| 2443 | case ALPHA_R_LDA: |
| 2444 | case ALPHA_R_BSR: |
| 2445 | case ALPHA_R_BOH: |
| 2446 | return 1; |
| 2447 | |
| 2448 | default: |
| 2449 | return 0; |
| 2450 | } |
| 2451 | } |
| 2452 | |
| 2453 | /* Write section contents for bfd abfd. */ |
| 2454 | |
| 2455 | int |
| 2456 | _bfd_vms_write_tir (bfd * abfd, int objtype ATTRIBUTE_UNUSED) |
| 2457 | { |
| 2458 | asection *section; |
| 2459 | |
| 2460 | #if VMS_DEBUG |
| 2461 | _bfd_vms_debug (2, "vms_write_tir (%p, %d)\n", abfd, objtype); |
| 2462 | #endif |
| 2463 | |
| 2464 | _bfd_vms_output_alignment (abfd, 4); |
| 2465 | |
| 2466 | PRIV (vms_linkage_index) = 1; |
| 2467 | |
| 2468 | for (section = abfd->sections; section; section = section->next) |
| 2469 | { |
| 2470 | #if VMS_DEBUG |
| 2471 | _bfd_vms_debug (4, "writing %d. section '%s' (%d bytes)\n", |
| 2472 | section->index, section->name, |
| 2473 | (int) (section->size)); |
| 2474 | #endif |
| 2475 | |
| 2476 | if (!(section->flags & SEC_HAS_CONTENTS) |
| 2477 | || bfd_is_com_section (section)) |
| 2478 | continue; |
| 2479 | |
| 2480 | if (!section->contents) |
| 2481 | { |
| 2482 | bfd_set_error (bfd_error_no_contents); |
| 2483 | return -1; |
| 2484 | } |
| 2485 | |
| 2486 | if (section->name[0] |
| 2487 | && section->name[1] == 'v' |
| 2488 | && !strcmp (section->name, ".vmsdebug")) |
| 2489 | start_first_etbt_record (abfd); |
| 2490 | else |
| 2491 | start_etir_record (abfd, section->index, 0, FALSE); |
| 2492 | |
| 2493 | if (section->flags & SEC_RELOC) |
| 2494 | { |
| 2495 | bfd_vma curr_addr = 0; |
| 2496 | unsigned char *curr_data = section->contents; |
| 2497 | bfd_size_type size; |
| 2498 | int pass2_needed = 0; |
| 2499 | int pass2_in_progress = 0; |
| 2500 | unsigned int irel; |
| 2501 | |
| 2502 | if (section->reloc_count <= 0) |
| 2503 | (*_bfd_error_handler) |
| 2504 | (_("SEC_RELOC with no relocs in section %s"), section->name); |
| 2505 | |
| 2506 | #if VMS_DEBUG |
| 2507 | else |
| 2508 | { |
| 2509 | int i = section->reloc_count; |
| 2510 | arelent **rptr = section->orelocation; |
| 2511 | _bfd_vms_debug (4, "%d relocations:\n", i); |
| 2512 | while (i-- > 0) |
| 2513 | { |
| 2514 | _bfd_vms_debug (4, "sym %s in sec %s, value %08lx, " |
| 2515 | "addr %08lx, off %08lx, len %d: %s\n", |
| 2516 | (*(*rptr)->sym_ptr_ptr)->name, |
| 2517 | (*(*rptr)->sym_ptr_ptr)->section->name, |
| 2518 | (long) (*(*rptr)->sym_ptr_ptr)->value, |
| 2519 | (*rptr)->address, (*rptr)->addend, |
| 2520 | bfd_get_reloc_size ((*rptr)->howto), |
| 2521 | ( *rptr)->howto->name); |
| 2522 | rptr++; |
| 2523 | } |
| 2524 | } |
| 2525 | #endif |
| 2526 | |
| 2527 | new_pass: |
| 2528 | for (irel = 0; irel < section->reloc_count; irel++) |
| 2529 | { |
| 2530 | struct evax_private_udata_struct *udata; |
| 2531 | arelent *rptr = section->orelocation [irel]; |
| 2532 | bfd_vma addr = rptr->address; |
| 2533 | asymbol *sym = *rptr->sym_ptr_ptr; |
| 2534 | asection *sec = sym->section; |
| 2535 | int defer = defer_reloc_p (rptr); |
| 2536 | unsigned int slen; |
| 2537 | char *hash; |
| 2538 | |
| 2539 | if (pass2_in_progress) |
| 2540 | { |
| 2541 | /* Non-deferred relocs have already been output. */ |
| 2542 | if (!defer) |
| 2543 | continue; |
| 2544 | } |
| 2545 | else |
| 2546 | { |
| 2547 | /* Deferred relocs must be output at the very end. */ |
| 2548 | if (defer) |
| 2549 | { |
| 2550 | pass2_needed = 1; |
| 2551 | continue; |
| 2552 | } |
| 2553 | |
| 2554 | /* Regular relocs are intertwined with binary data. */ |
| 2555 | if (curr_addr > addr) |
| 2556 | (*_bfd_error_handler) (_("Size error in section %s"), |
| 2557 | section->name); |
| 2558 | size = addr - curr_addr; |
| 2559 | sto_imm (abfd, size, curr_data, curr_addr, |
| 2560 | section->index, section->name); |
| 2561 | curr_data += size; |
| 2562 | curr_addr += size; |
| 2563 | } |
| 2564 | |
| 2565 | size = bfd_get_reloc_size (rptr->howto); |
| 2566 | |
| 2567 | switch (rptr->howto->type) |
| 2568 | { |
| 2569 | case ALPHA_R_IGNORE: |
| 2570 | break; |
| 2571 | |
| 2572 | case ALPHA_R_REFLONG: |
| 2573 | if (bfd_is_und_section (sym->section)) |
| 2574 | { |
| 2575 | bfd_vma addend = rptr->addend; |
| 2576 | slen = strlen ((char *) sym->name); |
| 2577 | hash = _bfd_vms_length_hash_symbol |
| 2578 | (abfd, sym->name, EOBJ_S_C_SYMSIZ); |
| 2579 | etir_output_check (abfd, section, curr_addr, slen); |
| 2580 | if (addend) |
| 2581 | { |
| 2582 | _bfd_vms_output_begin (abfd, ETIR_S_C_STA_GBL, -1); |
| 2583 | _bfd_vms_output_counted (abfd, hash); |
| 2584 | _bfd_vms_output_flush (abfd); |
| 2585 | _bfd_vms_output_begin (abfd, ETIR_S_C_STA_LW, -1); |
| 2586 | _bfd_vms_output_long (abfd, (unsigned long) addend); |
| 2587 | _bfd_vms_output_flush (abfd); |
| 2588 | _bfd_vms_output_begin (abfd, ETIR_S_C_OPR_ADD, -1); |
| 2589 | _bfd_vms_output_flush (abfd); |
| 2590 | _bfd_vms_output_begin (abfd, ETIR_S_C_STO_LW, -1); |
| 2591 | _bfd_vms_output_flush (abfd); |
| 2592 | } |
| 2593 | else |
| 2594 | { |
| 2595 | _bfd_vms_output_begin (abfd, ETIR_S_C_STO_GBL_LW, -1); |
| 2596 | _bfd_vms_output_counted (abfd, hash); |
| 2597 | _bfd_vms_output_flush (abfd); |
| 2598 | } |
| 2599 | } |
| 2600 | else if (bfd_is_abs_section (sym->section)) |
| 2601 | { |
| 2602 | etir_output_check (abfd, section, curr_addr, 16); |
| 2603 | _bfd_vms_output_begin (abfd, ETIR_S_C_STA_LW, -1); |
| 2604 | _bfd_vms_output_long (abfd, (unsigned long) sym->value); |
| 2605 | _bfd_vms_output_flush (abfd); |
| 2606 | _bfd_vms_output_begin (abfd, ETIR_S_C_STO_LW, -1); |
| 2607 | _bfd_vms_output_flush (abfd); |
| 2608 | } |
| 2609 | else |
| 2610 | { |
| 2611 | etir_output_check (abfd, section, curr_addr, 32); |
| 2612 | _bfd_vms_output_begin (abfd, ETIR_S_C_STA_PQ, -1); |
| 2613 | _bfd_vms_output_long (abfd, (unsigned long) sec->index); |
| 2614 | _bfd_vms_output_quad (abfd, (uquad) rptr->addend |
| 2615 | + (uquad) sym->value); |
| 2616 | _bfd_vms_output_flush (abfd); |
| 2617 | /* ??? Table B-8 of the OpenVMS Linker Utilily Manual |
| 2618 | says that we should have a ETIR_S_C_STO_OFF here. |
| 2619 | But the relocation would not be BFD_RELOC_32 then. |
| 2620 | This case is very likely unreachable. */ |
| 2621 | _bfd_vms_output_begin (abfd, ETIR_S_C_STO_LW, -1); |
| 2622 | _bfd_vms_output_flush (abfd); |
| 2623 | } |
| 2624 | break; |
| 2625 | |
| 2626 | case ALPHA_R_REFQUAD: |
| 2627 | if (bfd_is_und_section (sym->section)) |
| 2628 | { |
| 2629 | bfd_vma addend = rptr->addend; |
| 2630 | slen = strlen ((char *) sym->name); |
| 2631 | hash = _bfd_vms_length_hash_symbol |
| 2632 | (abfd, sym->name, EOBJ_S_C_SYMSIZ); |
| 2633 | etir_output_check (abfd, section, curr_addr, slen); |
| 2634 | if (addend) |
| 2635 | { |
| 2636 | _bfd_vms_output_begin (abfd, ETIR_S_C_STA_GBL, -1); |
| 2637 | _bfd_vms_output_counted (abfd, hash); |
| 2638 | _bfd_vms_output_flush (abfd); |
| 2639 | _bfd_vms_output_begin (abfd, ETIR_S_C_STA_QW, -1); |
| 2640 | _bfd_vms_output_quad (abfd, (uquad) addend); |
| 2641 | _bfd_vms_output_flush (abfd); |
| 2642 | _bfd_vms_output_begin (abfd, ETIR_S_C_OPR_ADD, -1); |
| 2643 | _bfd_vms_output_flush (abfd); |
| 2644 | _bfd_vms_output_begin (abfd, ETIR_S_C_STO_QW, -1); |
| 2645 | _bfd_vms_output_flush (abfd); |
| 2646 | } |
| 2647 | else |
| 2648 | { |
| 2649 | _bfd_vms_output_begin (abfd, ETIR_S_C_STO_GBL, -1); |
| 2650 | _bfd_vms_output_counted (abfd, hash); |
| 2651 | _bfd_vms_output_flush (abfd); |
| 2652 | } |
| 2653 | } |
| 2654 | else if (bfd_is_abs_section (sym->section)) |
| 2655 | { |
| 2656 | etir_output_check (abfd, section, curr_addr, 16); |
| 2657 | _bfd_vms_output_begin (abfd, ETIR_S_C_STA_QW, -1); |
| 2658 | _bfd_vms_output_quad (abfd, (uquad) sym->value); |
| 2659 | _bfd_vms_output_flush (abfd); |
| 2660 | _bfd_vms_output_begin (abfd, ETIR_S_C_STO_QW, -1); |
| 2661 | _bfd_vms_output_flush (abfd); |
| 2662 | } |
| 2663 | else |
| 2664 | { |
| 2665 | etir_output_check (abfd, section, curr_addr, 32); |
| 2666 | _bfd_vms_output_begin (abfd, ETIR_S_C_STA_PQ, -1); |
| 2667 | _bfd_vms_output_long (abfd, (unsigned long) sec->index); |
| 2668 | _bfd_vms_output_quad (abfd, (uquad) rptr->addend |
| 2669 | + (uquad) sym->value); |
| 2670 | _bfd_vms_output_flush (abfd); |
| 2671 | _bfd_vms_output_begin (abfd, ETIR_S_C_STO_OFF, -1); |
| 2672 | _bfd_vms_output_flush (abfd); |
| 2673 | } |
| 2674 | break; |
| 2675 | |
| 2676 | case ALPHA_R_HINT: |
| 2677 | sto_imm (abfd, size, curr_data, curr_addr, |
| 2678 | section->index, section->name); |
| 2679 | break; |
| 2680 | |
| 2681 | case ALPHA_R_LINKAGE: |
| 2682 | etir_output_check (abfd, section, curr_addr, 64); |
| 2683 | _bfd_vms_output_begin (abfd, ETIR_S_C_STC_LP_PSB, -1); |
| 2684 | _bfd_vms_output_long |
| 2685 | (abfd, (unsigned long) PRIV (vms_linkage_index)); |
| 2686 | PRIV (vms_linkage_index) += 2; |
| 2687 | hash = _bfd_vms_length_hash_symbol |
| 2688 | (abfd, sym->name, EOBJ_S_C_SYMSIZ); |
| 2689 | _bfd_vms_output_counted (abfd, hash); |
| 2690 | _bfd_vms_output_byte (abfd, 0); |
| 2691 | _bfd_vms_output_flush (abfd); |
| 2692 | break; |
| 2693 | |
| 2694 | case ALPHA_R_CODEADDR: |
| 2695 | slen = strlen ((char *) sym->name); |
| 2696 | hash = _bfd_vms_length_hash_symbol |
| 2697 | (abfd, sym->name, EOBJ_S_C_SYMSIZ); |
| 2698 | etir_output_check (abfd, section, curr_addr, slen); |
| 2699 | _bfd_vms_output_begin (abfd, ETIR_S_C_STO_CA, -1); |
| 2700 | _bfd_vms_output_counted (abfd, hash); |
| 2701 | _bfd_vms_output_flush (abfd); |
| 2702 | break; |
| 2703 | |
| 2704 | case ALPHA_R_NOP: |
| 2705 | udata |
| 2706 | = (struct evax_private_udata_struct *) rptr->sym_ptr_ptr; |
| 2707 | etir_output_check (abfd, section, curr_addr, |
| 2708 | 32 + 1 + strlen (udata->origname)); |
| 2709 | _bfd_vms_output_begin (abfd, ETIR_S_C_STC_NOP_GBL, -1); |
| 2710 | _bfd_vms_output_long (abfd, (unsigned long) udata->lkindex); |
| 2711 | _bfd_vms_output_long |
| 2712 | (abfd, (unsigned long) udata->enbsym->section->index); |
| 2713 | _bfd_vms_output_quad (abfd, (uquad) rptr->address); |
| 2714 | _bfd_vms_output_long (abfd, (unsigned long) 0x47ff041f); |
| 2715 | _bfd_vms_output_long |
| 2716 | (abfd, (unsigned long) udata->enbsym->section->index); |
| 2717 | _bfd_vms_output_quad (abfd, (uquad) rptr->addend); |
| 2718 | _bfd_vms_output_counted |
| 2719 | (abfd, _bfd_vms_length_hash_symbol |
| 2720 | (abfd, udata->origname, EOBJ_S_C_SYMSIZ)); |
| 2721 | _bfd_vms_output_flush (abfd); |
| 2722 | break; |
| 2723 | |
| 2724 | case ALPHA_R_BSR: |
| 2725 | (*_bfd_error_handler) (_("Spurious ALPHA_R_BSR reloc")); |
| 2726 | break; |
| 2727 | |
| 2728 | case ALPHA_R_LDA: |
| 2729 | udata |
| 2730 | = (struct evax_private_udata_struct *) rptr->sym_ptr_ptr; |
| 2731 | etir_output_check (abfd, section, curr_addr, |
| 2732 | 32 + 1 + strlen (udata->origname)); |
| 2733 | _bfd_vms_output_begin (abfd, ETIR_S_C_STC_LDA_GBL, -1); |
| 2734 | _bfd_vms_output_long |
| 2735 | (abfd, (unsigned long) udata->lkindex + 1); |
| 2736 | _bfd_vms_output_long |
| 2737 | (abfd, (unsigned long) udata->enbsym->section->index); |
| 2738 | _bfd_vms_output_quad (abfd, (uquad) rptr->address); |
| 2739 | _bfd_vms_output_long (abfd, (unsigned long) 0x237B0000); |
| 2740 | _bfd_vms_output_long |
| 2741 | (abfd, (unsigned long) udata->bsym->section->index); |
| 2742 | _bfd_vms_output_quad (abfd, (uquad) rptr->addend); |
| 2743 | _bfd_vms_output_counted |
| 2744 | (abfd, _bfd_vms_length_hash_symbol |
| 2745 | (abfd, udata->origname, EOBJ_S_C_SYMSIZ)); |
| 2746 | _bfd_vms_output_flush (abfd); |
| 2747 | break; |
| 2748 | |
| 2749 | case ALPHA_R_BOH: |
| 2750 | udata |
| 2751 | = (struct evax_private_udata_struct *) rptr->sym_ptr_ptr; |
| 2752 | etir_output_check (abfd, section, curr_addr, |
| 2753 | 32 + 1 + strlen (udata->origname)); |
| 2754 | _bfd_vms_output_begin (abfd, ETIR_S_C_STC_BOH_GBL, -1); |
| 2755 | _bfd_vms_output_long (abfd, (unsigned long) udata->lkindex); |
| 2756 | _bfd_vms_output_long |
| 2757 | (abfd, (unsigned long) udata->enbsym->section->index); |
| 2758 | _bfd_vms_output_quad (abfd, (uquad) rptr->address); |
| 2759 | _bfd_vms_output_long (abfd, (unsigned long) 0xD3400000); |
| 2760 | _bfd_vms_output_long |
| 2761 | (abfd, (unsigned long) udata->enbsym->section->index); |
| 2762 | _bfd_vms_output_quad (abfd, (uquad) rptr->addend); |
| 2763 | _bfd_vms_output_counted |
| 2764 | (abfd, _bfd_vms_length_hash_symbol |
| 2765 | (abfd, udata->origname, EOBJ_S_C_SYMSIZ)); |
| 2766 | _bfd_vms_output_flush (abfd); |
| 2767 | break; |
| 2768 | |
| 2769 | default: |
| 2770 | (*_bfd_error_handler) (_("Unhandled relocation %s"), |
| 2771 | rptr->howto->name); |
| 2772 | break; |
| 2773 | } |
| 2774 | |
| 2775 | curr_data += size; |
| 2776 | curr_addr += size; |
| 2777 | } /* End of relocs loop. */ |
| 2778 | |
| 2779 | if (!pass2_in_progress) |
| 2780 | { |
| 2781 | /* Output rest of section. */ |
| 2782 | if (curr_addr > section->size) |
| 2783 | (*_bfd_error_handler) (_("Size error in section %s"), |
| 2784 | section->name); |
| 2785 | size = section->size - curr_addr; |
| 2786 | sto_imm (abfd, size, curr_data, curr_addr, |
| 2787 | section->index, section->name); |
| 2788 | curr_data += size; |
| 2789 | curr_addr += size; |
| 2790 | |
| 2791 | if (pass2_needed) |
| 2792 | { |
| 2793 | pass2_in_progress = 1; |
| 2794 | goto new_pass; |
| 2795 | } |
| 2796 | } |
| 2797 | } |
| 2798 | |
| 2799 | else /* (section->flags & SEC_RELOC) */ |
| 2800 | sto_imm (abfd, section->size, section->contents, 0, |
| 2801 | section->index, section->name); |
| 2802 | |
| 2803 | end_etir_record (abfd); |
| 2804 | } |
| 2805 | |
| 2806 | _bfd_vms_output_alignment (abfd, 2); |
| 2807 | return 0; |
| 2808 | } |