| 1 | /* vms-misc.c -- BFD back-end for VMS/VAX (openVMS/VAX) and |
| 2 | EVAX (openVMS/Alpha) files. |
| 3 | Copyright (C) 1996-2016 Free Software Foundation, Inc. |
| 4 | |
| 5 | Miscellaneous functions. |
| 6 | |
| 7 | Written by Klaus K"ampf (kkaempf@rmi.de) |
| 8 | |
| 9 | This program is free software; you can redistribute it and/or modify |
| 10 | it under the terms of the GNU General Public License as published by |
| 11 | the Free Software Foundation; either version 3 of the License, or |
| 12 | (at your option) any later version. |
| 13 | |
| 14 | This program is distributed in the hope that it will be useful, |
| 15 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | GNU General Public License for more details. |
| 18 | |
| 19 | You should have received a copy of the GNU General Public License |
| 20 | along with this program; if not, write to the Free Software |
| 21 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| 22 | MA 02110-1301, USA. */ |
| 23 | |
| 24 | #if __STDC__ |
| 25 | #include <stdarg.h> |
| 26 | #endif |
| 27 | |
| 28 | #include "sysdep.h" |
| 29 | #include "bfd.h" |
| 30 | #include "bfdlink.h" |
| 31 | #include "libbfd.h" |
| 32 | #include "safe-ctype.h" |
| 33 | |
| 34 | #ifdef VMS |
| 35 | #define __NEW_STARLET |
| 36 | #include <rms.h> |
| 37 | #include <unixlib.h> |
| 38 | #include <gen64def.h> |
| 39 | #include <starlet.h> |
| 40 | #define RME$C_SETRFM 0x00000001 |
| 41 | #include <unistd.h> |
| 42 | #endif |
| 43 | #include <time.h> |
| 44 | |
| 45 | #include "vms.h" |
| 46 | #include "vms/emh.h" |
| 47 | |
| 48 | #if VMS_DEBUG |
| 49 | /* Debug functions. */ |
| 50 | |
| 51 | /* Debug function for all vms extensions evaluates environment |
| 52 | variable VMS_DEBUG for a numerical value on the first call all |
| 53 | error levels below this value are printed: |
| 54 | |
| 55 | Levels: |
| 56 | 1 toplevel bfd calls (functions from the bfd vector) |
| 57 | 2 functions called by bfd calls |
| 58 | ... |
| 59 | 9 almost everything |
| 60 | |
| 61 | Level is also indentation level. Indentation is performed |
| 62 | if level > 0. */ |
| 63 | |
| 64 | void |
| 65 | _bfd_vms_debug (int level, char *format, ...) |
| 66 | { |
| 67 | static int min_level = -1; |
| 68 | static FILE *output = NULL; |
| 69 | char *eptr; |
| 70 | va_list args; |
| 71 | int abslvl = (level > 0) ? level : - level; |
| 72 | |
| 73 | if (min_level == -1) |
| 74 | { |
| 75 | if ((eptr = getenv ("VMS_DEBUG")) != NULL) |
| 76 | { |
| 77 | min_level = atoi (eptr); |
| 78 | output = stderr; |
| 79 | } |
| 80 | else |
| 81 | min_level = 0; |
| 82 | } |
| 83 | if (output == NULL) |
| 84 | return; |
| 85 | if (abslvl > min_level) |
| 86 | return; |
| 87 | |
| 88 | while (--level > 0) |
| 89 | fprintf (output, " "); |
| 90 | va_start (args, format); |
| 91 | vfprintf (output, format, args); |
| 92 | fflush (output); |
| 93 | va_end (args); |
| 94 | } |
| 95 | |
| 96 | /* A debug function |
| 97 | hex dump 'size' bytes starting at 'ptr'. */ |
| 98 | |
| 99 | void |
| 100 | _bfd_hexdump (int level, unsigned char *ptr, int size, int offset) |
| 101 | { |
| 102 | unsigned char *lptr = ptr; |
| 103 | int count = 0; |
| 104 | long start = offset; |
| 105 | |
| 106 | while (size-- > 0) |
| 107 | { |
| 108 | if ((count % 16) == 0) |
| 109 | vms_debug (level, "%08lx:", start); |
| 110 | vms_debug (-level, " %02x", *ptr++); |
| 111 | count++; |
| 112 | start++; |
| 113 | if (size == 0) |
| 114 | { |
| 115 | while ((count % 16) != 0) |
| 116 | { |
| 117 | vms_debug (-level, " "); |
| 118 | count++; |
| 119 | } |
| 120 | } |
| 121 | if ((count % 16) == 0) |
| 122 | { |
| 123 | vms_debug (-level, " "); |
| 124 | while (lptr < ptr) |
| 125 | { |
| 126 | vms_debug (-level, "%c", (*lptr < 32) ? '.' : *lptr); |
| 127 | lptr++; |
| 128 | } |
| 129 | vms_debug (-level, "\n"); |
| 130 | } |
| 131 | } |
| 132 | if ((count % 16) != 0) |
| 133 | vms_debug (-level, "\n"); |
| 134 | } |
| 135 | #endif |
| 136 | \f |
| 137 | |
| 138 | /* Copy sized string (string with fixed size) to new allocated area |
| 139 | size is string size (size of record) */ |
| 140 | |
| 141 | char * |
| 142 | _bfd_vms_save_sized_string (unsigned char *str, int size) |
| 143 | { |
| 144 | char *newstr = bfd_malloc ((bfd_size_type) size + 1); |
| 145 | |
| 146 | if (newstr == NULL) |
| 147 | return NULL; |
| 148 | memcpy (newstr, (char *) str, (size_t) size); |
| 149 | newstr[size] = 0; |
| 150 | |
| 151 | return newstr; |
| 152 | } |
| 153 | |
| 154 | /* Copy counted string (string with size at first byte) to new allocated area |
| 155 | ptr points to size byte on entry */ |
| 156 | |
| 157 | char * |
| 158 | _bfd_vms_save_counted_string (unsigned char *ptr) |
| 159 | { |
| 160 | int len = *ptr++; |
| 161 | |
| 162 | return _bfd_vms_save_sized_string (ptr, len); |
| 163 | } |
| 164 | \f |
| 165 | /* Object output routines. */ |
| 166 | |
| 167 | /* Begin new record. |
| 168 | Write 2 bytes rectype and 2 bytes record length. */ |
| 169 | |
| 170 | void |
| 171 | _bfd_vms_output_begin (struct vms_rec_wr *recwr, int rectype) |
| 172 | { |
| 173 | vms_debug2 ((6, "_bfd_vms_output_begin (type %d)\n", rectype)); |
| 174 | |
| 175 | /* Record must have been closed. */ |
| 176 | BFD_ASSERT (recwr->size == 0); |
| 177 | |
| 178 | _bfd_vms_output_short (recwr, (unsigned int) rectype); |
| 179 | |
| 180 | /* Placeholder for length. */ |
| 181 | _bfd_vms_output_short (recwr, 0); |
| 182 | } |
| 183 | |
| 184 | /* Begin new sub-record. |
| 185 | Write 2 bytes rectype, and 2 bytes record length. */ |
| 186 | |
| 187 | void |
| 188 | _bfd_vms_output_begin_subrec (struct vms_rec_wr *recwr, int rectype) |
| 189 | { |
| 190 | vms_debug2 ((6, "_bfd_vms_output_begin_subrec (type %d)\n", rectype)); |
| 191 | |
| 192 | /* Subrecord must have been closed. */ |
| 193 | BFD_ASSERT (recwr->subrec_offset == 0); |
| 194 | |
| 195 | /* Save start of subrecord offset. */ |
| 196 | recwr->subrec_offset = recwr->size; |
| 197 | |
| 198 | /* Subrecord type. */ |
| 199 | _bfd_vms_output_short (recwr, (unsigned int) rectype); |
| 200 | |
| 201 | /* Placeholder for length. */ |
| 202 | _bfd_vms_output_short (recwr, 0); |
| 203 | } |
| 204 | |
| 205 | /* Set record/subrecord alignment. */ |
| 206 | |
| 207 | void |
| 208 | _bfd_vms_output_alignment (struct vms_rec_wr *recwr, int alignto) |
| 209 | { |
| 210 | vms_debug2 ((6, "_bfd_vms_output_alignment (%d)\n", alignto)); |
| 211 | recwr->align = alignto; |
| 212 | } |
| 213 | |
| 214 | /* Align the size of the current record (whose length is LENGTH). |
| 215 | Warning: this obviously changes the record (and the possible subrecord) |
| 216 | length. */ |
| 217 | |
| 218 | static void |
| 219 | _bfd_vms_output_align (struct vms_rec_wr *recwr, unsigned int length) |
| 220 | { |
| 221 | unsigned int real_size = recwr->size; |
| 222 | unsigned int aligncount; |
| 223 | |
| 224 | /* Pad with 0 if alignment is required. */ |
| 225 | aligncount = (recwr->align - (length % recwr->align)) % recwr->align; |
| 226 | vms_debug2 ((6, "align: adding %d bytes\n", aligncount)); |
| 227 | while (aligncount-- > 0) |
| 228 | recwr->buf[real_size++] = 0; |
| 229 | |
| 230 | recwr->size = real_size; |
| 231 | } |
| 232 | |
| 233 | /* Ends current sub-record. Set length field. */ |
| 234 | |
| 235 | void |
| 236 | _bfd_vms_output_end_subrec (struct vms_rec_wr *recwr) |
| 237 | { |
| 238 | int real_size = recwr->size; |
| 239 | int length; |
| 240 | |
| 241 | /* Subrecord must be open. */ |
| 242 | BFD_ASSERT (recwr->subrec_offset != 0); |
| 243 | |
| 244 | length = real_size - recwr->subrec_offset; |
| 245 | |
| 246 | if (length == 0) |
| 247 | return; |
| 248 | |
| 249 | _bfd_vms_output_align (recwr, length); |
| 250 | |
| 251 | /* Put length to buffer. */ |
| 252 | bfd_putl16 ((bfd_vma) (recwr->size - recwr->subrec_offset), |
| 253 | recwr->buf + recwr->subrec_offset + 2); |
| 254 | |
| 255 | /* Close the subrecord. */ |
| 256 | recwr->subrec_offset = 0; |
| 257 | } |
| 258 | |
| 259 | /* Ends current record (and write it). */ |
| 260 | |
| 261 | void |
| 262 | _bfd_vms_output_end (bfd *abfd, struct vms_rec_wr *recwr) |
| 263 | { |
| 264 | vms_debug2 ((6, "_bfd_vms_output_end (size %u)\n", recwr->size)); |
| 265 | |
| 266 | /* Subrecord must have been closed. */ |
| 267 | BFD_ASSERT (recwr->subrec_offset == 0); |
| 268 | |
| 269 | if (recwr->size == 0) |
| 270 | return; |
| 271 | |
| 272 | _bfd_vms_output_align (recwr, recwr->size); |
| 273 | |
| 274 | /* Write the length word. */ |
| 275 | bfd_putl16 ((bfd_vma) recwr->size, recwr->buf + 2); |
| 276 | |
| 277 | /* File is open in undefined (UDF) format on VMS, but ultimately will be |
| 278 | converted to variable length (VAR) format. VAR format has a length |
| 279 | word first which must be explicitly output in UDF format. */ |
| 280 | /* So, first the length word. */ |
| 281 | bfd_bwrite (recwr->buf + 2, 2, abfd); |
| 282 | |
| 283 | /* Align. */ |
| 284 | if (recwr->size & 1) |
| 285 | recwr->buf[recwr->size++] = 0; |
| 286 | |
| 287 | /* Then the record. */ |
| 288 | bfd_bwrite (recwr->buf, (size_t) recwr->size, abfd); |
| 289 | |
| 290 | recwr->size = 0; |
| 291 | } |
| 292 | |
| 293 | /* Check remaining buffer size. Return what's left. */ |
| 294 | |
| 295 | int |
| 296 | _bfd_vms_output_check (struct vms_rec_wr *recwr, int size) |
| 297 | { |
| 298 | vms_debug2 ((6, "_bfd_vms_output_check (%d)\n", size)); |
| 299 | |
| 300 | return (MAX_OUTREC_SIZE - (recwr->size + size + MIN_OUTREC_LUFT)); |
| 301 | } |
| 302 | |
| 303 | /* Output byte (8 bit) value. */ |
| 304 | |
| 305 | void |
| 306 | _bfd_vms_output_byte (struct vms_rec_wr *recwr, unsigned int value) |
| 307 | { |
| 308 | vms_debug2 ((6, "_bfd_vms_output_byte (%02x)\n", value)); |
| 309 | |
| 310 | *(recwr->buf + recwr->size) = value; |
| 311 | recwr->size += 1; |
| 312 | } |
| 313 | |
| 314 | /* Output short (16 bit) value. */ |
| 315 | |
| 316 | void |
| 317 | _bfd_vms_output_short (struct vms_rec_wr *recwr, unsigned int value) |
| 318 | { |
| 319 | vms_debug2 ((6, "_bfd_vms_output_short (%04x)\n", value)); |
| 320 | |
| 321 | bfd_putl16 ((bfd_vma) value & 0xffff, recwr->buf + recwr->size); |
| 322 | recwr->size += 2; |
| 323 | } |
| 324 | |
| 325 | /* Output long (32 bit) value. */ |
| 326 | |
| 327 | void |
| 328 | _bfd_vms_output_long (struct vms_rec_wr *recwr, unsigned long value) |
| 329 | { |
| 330 | vms_debug2 ((6, "_bfd_vms_output_long (%08lx)\n", value)); |
| 331 | |
| 332 | bfd_putl32 ((bfd_vma) value, recwr->buf + recwr->size); |
| 333 | recwr->size += 4; |
| 334 | } |
| 335 | |
| 336 | /* Output quad (64 bit) value. */ |
| 337 | |
| 338 | void |
| 339 | _bfd_vms_output_quad (struct vms_rec_wr *recwr, bfd_vma value) |
| 340 | { |
| 341 | vms_debug2 ((6, "_bfd_vms_output_quad (%08lx)\n", (unsigned long)value)); |
| 342 | |
| 343 | bfd_putl64 (value, recwr->buf + recwr->size); |
| 344 | recwr->size += 8; |
| 345 | } |
| 346 | |
| 347 | /* Output c-string as counted string. */ |
| 348 | |
| 349 | void |
| 350 | _bfd_vms_output_counted (struct vms_rec_wr *recwr, const char *value) |
| 351 | { |
| 352 | int len; |
| 353 | |
| 354 | vms_debug2 ((6, "_bfd_vms_output_counted (%s)\n", value)); |
| 355 | |
| 356 | len = strlen (value); |
| 357 | if (len == 0) |
| 358 | { |
| 359 | _bfd_error_handler (_("_bfd_vms_output_counted called with zero bytes")); |
| 360 | return; |
| 361 | } |
| 362 | if (len > 255) |
| 363 | { |
| 364 | _bfd_error_handler (_("_bfd_vms_output_counted called with too many bytes")); |
| 365 | return; |
| 366 | } |
| 367 | _bfd_vms_output_byte (recwr, (unsigned int) len & 0xff); |
| 368 | _bfd_vms_output_dump (recwr, (const unsigned char *)value, len); |
| 369 | } |
| 370 | |
| 371 | /* Output character area. */ |
| 372 | |
| 373 | void |
| 374 | _bfd_vms_output_dump (struct vms_rec_wr *recwr, const unsigned char *data, int len) |
| 375 | { |
| 376 | vms_debug2 ((6, "_bfd_vms_output_dump (%d)\n", len)); |
| 377 | |
| 378 | if (len == 0) |
| 379 | return; |
| 380 | |
| 381 | memcpy (recwr->buf + recwr->size, data, (size_t) len); |
| 382 | recwr->size += len; |
| 383 | } |
| 384 | |
| 385 | /* Output count bytes of value. */ |
| 386 | |
| 387 | void |
| 388 | _bfd_vms_output_fill (struct vms_rec_wr *recwr, int value, int count) |
| 389 | { |
| 390 | vms_debug2 ((6, "_bfd_vms_output_fill (val %02x times %d)\n", value, count)); |
| 391 | |
| 392 | if (count == 0) |
| 393 | return; |
| 394 | memset (recwr->buf + recwr->size, value, (size_t) count); |
| 395 | recwr->size += count; |
| 396 | } |
| 397 | |
| 398 | #ifdef VMS |
| 399 | /* Convert the file to variable record length format. This is done |
| 400 | using undocumented system call sys$modify(). |
| 401 | Pure VMS version. */ |
| 402 | |
| 403 | static void |
| 404 | vms_convert_to_var (char * vms_filename) |
| 405 | { |
| 406 | struct FAB fab = cc$rms_fab; |
| 407 | |
| 408 | fab.fab$l_fna = vms_filename; |
| 409 | fab.fab$b_fns = strlen (vms_filename); |
| 410 | fab.fab$b_fac = FAB$M_PUT; |
| 411 | fab.fab$l_fop = FAB$M_ESC; |
| 412 | fab.fab$l_ctx = RME$C_SETRFM; |
| 413 | |
| 414 | sys$open (&fab); |
| 415 | |
| 416 | fab.fab$b_rfm = FAB$C_VAR; |
| 417 | |
| 418 | sys$modify (&fab); |
| 419 | sys$close (&fab); |
| 420 | } |
| 421 | |
| 422 | static int |
| 423 | vms_convert_to_var_1 (char *filename, int type) |
| 424 | { |
| 425 | if (type != DECC$K_FILE) |
| 426 | return FALSE; |
| 427 | vms_convert_to_var (filename); |
| 428 | return TRUE; |
| 429 | } |
| 430 | |
| 431 | /* Convert the file to variable record length format. This is done |
| 432 | using undocumented system call sys$modify(). |
| 433 | Unix filename version. */ |
| 434 | |
| 435 | int |
| 436 | _bfd_vms_convert_to_var_unix_filename (const char *unix_filename) |
| 437 | { |
| 438 | if (decc$to_vms (unix_filename, &vms_convert_to_var_1, 0, 1) != 1) |
| 439 | return FALSE; |
| 440 | return TRUE; |
| 441 | } |
| 442 | #endif /* VMS */ |
| 443 | |
| 444 | /* Manufacture a VMS like time on a unix based system. |
| 445 | stolen from obj-vms.c. */ |
| 446 | |
| 447 | unsigned char * |
| 448 | get_vms_time_string (void) |
| 449 | { |
| 450 | static unsigned char tbuf[18]; |
| 451 | #ifndef VMS |
| 452 | char *pnt; |
| 453 | time_t timeb; |
| 454 | |
| 455 | time (& timeb); |
| 456 | pnt = ctime (&timeb); |
| 457 | pnt[3] = 0; |
| 458 | pnt[7] = 0; |
| 459 | pnt[10] = 0; |
| 460 | pnt[16] = 0; |
| 461 | pnt[24] = 0; |
| 462 | sprintf ((char *) tbuf, "%2s-%3s-%s %s", |
| 463 | pnt + 8, pnt + 4, pnt + 20, pnt + 11); |
| 464 | #else |
| 465 | struct |
| 466 | { |
| 467 | int Size; |
| 468 | unsigned char *Ptr; |
| 469 | } Descriptor; |
| 470 | Descriptor.Size = 17; |
| 471 | Descriptor.Ptr = tbuf; |
| 472 | SYS$ASCTIM (0, &Descriptor, 0, 0); |
| 473 | #endif /* not VMS */ |
| 474 | |
| 475 | vms_debug2 ((6, "vmstimestring:'%s'\n", tbuf)); |
| 476 | |
| 477 | return tbuf; |
| 478 | } |
| 479 | |
| 480 | /* Create module name from filename (ie, extract the basename and convert it |
| 481 | in upper cases). Works on both VMS and UNIX pathes. |
| 482 | The result has to be free(). */ |
| 483 | |
| 484 | char * |
| 485 | vms_get_module_name (const char *filename, bfd_boolean upcase) |
| 486 | { |
| 487 | char *fname, *fptr; |
| 488 | const char *fout; |
| 489 | |
| 490 | /* Strip VMS path. */ |
| 491 | fout = strrchr (filename, ']'); |
| 492 | if (fout == NULL) |
| 493 | fout = strchr (filename, ':'); |
| 494 | if (fout != NULL) |
| 495 | fout++; |
| 496 | else |
| 497 | fout = filename; |
| 498 | |
| 499 | /* Strip UNIX path. */ |
| 500 | fptr = strrchr (fout, '/'); |
| 501 | if (fptr != NULL) |
| 502 | fout = fptr + 1; |
| 503 | |
| 504 | fname = strdup (fout); |
| 505 | |
| 506 | /* Strip suffix. */ |
| 507 | fptr = strrchr (fname, '.'); |
| 508 | if (fptr != 0) |
| 509 | *fptr = 0; |
| 510 | |
| 511 | /* Convert to upper case and truncate at 31 characters. |
| 512 | (VMS object file format restricts module name length to 31). */ |
| 513 | fptr = fname; |
| 514 | for (fptr = fname; *fptr != 0; fptr++) |
| 515 | { |
| 516 | if (*fptr == ';' || (fptr - fname) >= 31) |
| 517 | { |
| 518 | *fptr = 0; |
| 519 | break; |
| 520 | } |
| 521 | if (upcase) |
| 522 | *fptr = TOUPPER (*fptr); |
| 523 | } |
| 524 | return fname; |
| 525 | } |
| 526 | |
| 527 | /* Compared to usual UNIX time_t, VMS time has less limits: |
| 528 | - 64 bit (63 bits in fact as the MSB must be 0) |
| 529 | - 100ns granularity |
| 530 | - epoch is Nov 17, 1858. |
| 531 | Here has the constants and the routines used to convert VMS from/to UNIX time. |
| 532 | The conversion routines don't assume 64 bits arithmetic. |
| 533 | |
| 534 | Here we assume that the definition of time_t is the UNIX one, ie integer |
| 535 | type, expressing seconds since the epoch. */ |
| 536 | |
| 537 | /* UNIX time granularity for VMS, ie 1s / 100ns. */ |
| 538 | #define VMS_TIME_FACTOR 10000000 |
| 539 | |
| 540 | /* Number of seconds since VMS epoch of the UNIX epoch. */ |
| 541 | #define VMS_TIME_OFFSET 3506716800U |
| 542 | |
| 543 | /* Convert a VMS time to a unix time. */ |
| 544 | |
| 545 | time_t |
| 546 | vms_time_to_time_t (unsigned int hi, unsigned int lo) |
| 547 | { |
| 548 | unsigned int tmp; |
| 549 | unsigned int rlo; |
| 550 | int i; |
| 551 | time_t res; |
| 552 | |
| 553 | /* First convert to seconds. */ |
| 554 | tmp = hi % VMS_TIME_FACTOR; |
| 555 | hi = hi / VMS_TIME_FACTOR; |
| 556 | rlo = 0; |
| 557 | for (i = 0; i < 4; i++) |
| 558 | { |
| 559 | tmp = (tmp << 8) | (lo >> 24); |
| 560 | lo <<= 8; |
| 561 | |
| 562 | rlo = (rlo << 8) | (tmp / VMS_TIME_FACTOR); |
| 563 | tmp %= VMS_TIME_FACTOR; |
| 564 | } |
| 565 | lo = rlo; |
| 566 | |
| 567 | /* Return 0 in case of overflow. */ |
| 568 | if (hi > 1 |
| 569 | || (hi == 1 && lo >= VMS_TIME_OFFSET)) |
| 570 | return 0; |
| 571 | |
| 572 | /* Return 0 in case of underflow. */ |
| 573 | if (hi == 0 && lo < VMS_TIME_OFFSET) |
| 574 | return 0; |
| 575 | |
| 576 | res = lo - VMS_TIME_OFFSET; |
| 577 | if (res <= 0) |
| 578 | return 0; |
| 579 | return res; |
| 580 | } |
| 581 | |
| 582 | /* Convert a time_t to a VMS time. */ |
| 583 | |
| 584 | void |
| 585 | vms_time_t_to_vms_time (time_t ut, unsigned int *hi, unsigned int *lo) |
| 586 | { |
| 587 | unsigned short val[4]; |
| 588 | unsigned short tmp[4]; |
| 589 | unsigned int carry; |
| 590 | int i; |
| 591 | |
| 592 | /* Put into val. */ |
| 593 | val[0] = ut & 0xffff; |
| 594 | val[1] = (ut >> 16) & 0xffff; |
| 595 | val[2] = sizeof (ut) > 4 ? (ut >> 32) & 0xffff : 0; |
| 596 | val[3] = sizeof (ut) > 4 ? (ut >> 48) & 0xffff : 0; |
| 597 | |
| 598 | /* Add offset. */ |
| 599 | tmp[0] = VMS_TIME_OFFSET & 0xffff; |
| 600 | tmp[1] = VMS_TIME_OFFSET >> 16; |
| 601 | tmp[2] = 0; |
| 602 | tmp[3] = 0; |
| 603 | carry = 0; |
| 604 | for (i = 0; i < 4; i++) |
| 605 | { |
| 606 | carry += tmp[i] + val[i]; |
| 607 | val[i] = carry & 0xffff; |
| 608 | carry = carry >> 16; |
| 609 | } |
| 610 | |
| 611 | /* Multiply by factor, well first by 10000 and then by 1000. */ |
| 612 | carry = 0; |
| 613 | for (i = 0; i < 4; i++) |
| 614 | { |
| 615 | carry += val[i] * 10000; |
| 616 | val[i] = carry & 0xffff; |
| 617 | carry = carry >> 16; |
| 618 | } |
| 619 | carry = 0; |
| 620 | for (i = 0; i < 4; i++) |
| 621 | { |
| 622 | carry += val[i] * 1000; |
| 623 | val[i] = carry & 0xffff; |
| 624 | carry = carry >> 16; |
| 625 | } |
| 626 | |
| 627 | /* Write the result. */ |
| 628 | *lo = val[0] | (val[1] << 16); |
| 629 | *hi = val[2] | (val[3] << 16); |
| 630 | } |
| 631 | |
| 632 | /* Convert a raw (stored in a buffer) VMS time to a unix time. */ |
| 633 | |
| 634 | time_t |
| 635 | vms_rawtime_to_time_t (unsigned char *buf) |
| 636 | { |
| 637 | unsigned int hi = bfd_getl32 (buf + 4); |
| 638 | unsigned int lo = bfd_getl32 (buf + 0); |
| 639 | |
| 640 | return vms_time_to_time_t (hi, lo); |
| 641 | } |
| 642 | |
| 643 | void |
| 644 | vms_get_time (unsigned int *hi, unsigned int *lo) |
| 645 | { |
| 646 | #ifdef VMS |
| 647 | struct _generic_64 t; |
| 648 | |
| 649 | sys$gettim (&t); |
| 650 | *lo = t.gen64$q_quadword; |
| 651 | *hi = t.gen64$q_quadword >> 32; |
| 652 | #else |
| 653 | time_t t; |
| 654 | |
| 655 | time (&t); |
| 656 | vms_time_t_to_vms_time (t, hi, lo); |
| 657 | #endif |
| 658 | } |
| 659 | |
| 660 | /* Get the current time into a raw buffer BUF. */ |
| 661 | |
| 662 | void |
| 663 | vms_raw_get_time (unsigned char *buf) |
| 664 | { |
| 665 | unsigned int hi, lo; |
| 666 | |
| 667 | vms_get_time (&hi, &lo); |
| 668 | bfd_putl32 (lo, buf + 0); |
| 669 | bfd_putl32 (hi, buf + 4); |
| 670 | } |