Mercurial > illumos > onarm
annotate usr/src/cmd/abi/spectrans/spec2map/xlator.c @ 4:1a15d5aaf794
synchronized with onnv_86 (6202) in onnv-gate
| author | Koji Uno <koji.uno@sun.com> |
|---|---|
| date | Mon, 31 Aug 2009 14:38:03 +0900 |
| parents | c9caec207d52 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 * CDDL HEADER START | |
| 3 * | |
| 4 * The contents of this file are subject to the terms of the | |
| 5 * Common Development and Distribution License, Version 1.0 only | |
| 6 * (the "License"). You may not use this file except in compliance | |
| 7 * with the License. | |
| 8 * | |
| 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE | |
| 10 * or http://www.opensolaris.org/os/licensing. | |
| 11 * See the License for the specific language governing permissions | |
| 12 * and limitations under the License. | |
| 13 * | |
| 14 * When distributing Covered Code, include this CDDL HEADER in each | |
| 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. | |
| 16 * If applicable, add the following below this CDDL HEADER, with the | |
| 17 * fields enclosed by brackets "[]" replaced with your own identifying | |
| 18 * information: Portions Copyright [yyyy] [name of copyright owner] | |
| 19 * | |
| 20 * CDDL HEADER END | |
| 21 */ | |
| 22 /* | |
| 23 * Copyright 2003 Sun Microsystems, Inc. All rights reserved. | |
| 24 * Use is subject to license terms. | |
| 25 */ | |
| 26 | |
|
4
1a15d5aaf794
synchronized with onnv_86 (6202) in onnv-gate
Koji Uno <koji.uno@sun.com>
parents:
0
diff
changeset
|
27 #pragma ident "%Z%%M% %I% %E% SMI" |
| 0 | 28 |
| 29 /* | |
| 30 * Back-end functions for spec to mapfile converter | |
| 31 */ | |
| 32 | |
| 33 #include <stdio.h> | |
| 34 #include <stdlib.h> | |
| 35 #include <ctype.h> | |
| 36 #include <string.h> | |
| 37 #include <errno.h> | |
| 38 #include <sys/utsname.h> | |
| 39 #include "xlator.h" | |
| 40 #include "util.h" | |
| 41 #include "bucket.h" | |
| 42 | |
| 43 /* Globals */ | |
| 44 enum { | |
| 45 /* These first four (commented out) are defined in parser.h */ | |
| 46 /* XLATOR_KW_NOTFOUND = 0, */ | |
| 47 /* XLATOR_KW_FUNC, */ | |
| 48 /* XLATOR_KW_DATA, */ | |
| 49 /* XLATOR_KW_END, */ | |
| 50 XLATOR_KW_VERSION = 4, | |
| 51 XLATOR_KW_ARCH, | |
| 52 XLATOR_KW_BINDING, | |
| 53 XLATOR_KW_FILTER, | |
| 54 XLATOR_KW_AUXILIARY | |
| 55 }; | |
| 56 #define FIRST_TOKEN 4 /* Must match the first token in the enum above */ | |
| 57 | |
| 58 static xlator_keyword_t Keywords[] = { | |
| 59 { "version", XLATOR_KW_VERSION }, | |
| 60 { "arch", XLATOR_KW_ARCH }, | |
| 61 { "binding", XLATOR_KW_BINDING }, | |
| 62 { "filter", XLATOR_KW_FILTER }, | |
| 63 { "auxiliary", XLATOR_KW_AUXILIARY }, | |
| 64 { NULL, XLATOR_KW_NOTFOUND } | |
| 65 }; | |
| 66 | |
| 67 static char const *OutputFile; | |
| 68 static char const *Curfile; | |
| 69 static char *Curfun; | |
| 70 static int Curline; | |
| 71 static Interface Iface; | |
| 72 | |
| 73 static int Verbosity; | |
| 74 static int TargetArchToken; /* set from -a option to front-end */ | |
| 75 char *TargetArchStr = NULL; /* from -a option to front-end */ | |
| 76 int IsFilterLib = 0; /* set from -F option to front-end */ | |
| 77 static int Supported_Arch = XLATOR_ALLARCH; /* from "Arch" SPEC keyword */ | |
| 78 static int Flags; | |
| 79 | |
| 80 /* | |
| 81 * WHAT!? | |
| 82 * from Version line | |
| 83 * 0 means architecture is not specified in the | |
| 84 * version line so it applies to all versions | |
| 85 */ | |
| 86 static int Version_Arch; | |
| 87 int Num_versfiles = 0; | |
| 88 static int Has_Version; | |
| 89 | |
| 90 static char *Versfile; | |
| 91 | |
| 92 static char *getversion(const char *); | |
| 93 static int version_sanity(const char *value, char **subv); | |
| 94 static int arch_version_sanity(char *av); | |
| 95 static char *getfilter(const char *); | |
| 96 static void writemapfile(FILE *); | |
| 97 static int set_version_arch(const char *); | |
| 98 static int set_supported_arch(const char *); | |
| 99 | |
| 100 /* | |
| 101 * xlator_init() | |
| 102 * back-end initialization | |
| 103 * returns pointer to Keywords on success | |
| 104 * returns NULL pointer on failure | |
| 105 */ | |
| 106 xlator_keyword_t * | |
| 107 xlator_init(const Translator_info *t_info) | |
| 108 { | |
| 109 /* | |
| 110 * initially so we don't lose error messages from version_check | |
| 111 * we'll set this again later based on ti_info.ti_verbosity | |
| 112 */ | |
| 113 seterrseverity(WARNING); | |
| 114 | |
| 115 /* set verbosity */ | |
| 116 Verbosity = t_info->ti_verbosity; | |
| 117 seterrseverity(t_info->ti_verbosity); | |
| 118 | |
| 119 /* Obtain translator flags */ | |
| 120 Flags = t_info->ti_flags; | |
| 121 | |
| 122 /* | |
| 123 * set Library Type | |
| 124 * 1 if filter lib, 0 otherwise | |
| 125 */ | |
| 126 IsFilterLib = t_info->ti_libtype; | |
| 127 | |
| 128 /* set target architecture */ | |
| 129 TargetArchStr = t_info->ti_arch; | |
| 130 TargetArchToken = t_info->ti_archtoken; | |
| 131 | |
| 132 errlog(STATUS, "Architecture set to \"%s\"", TargetArchStr); | |
| 133 | |
| 134 /* set output file */ | |
| 135 OutputFile = t_info->ti_output_file; | |
| 136 if (OutputFile) { | |
| 137 errlog(STATUS, "Output will go into %s", | |
| 138 OutputFile); | |
| 139 } else { | |
| 140 OutputFile = "mapfile"; | |
| 141 errlog(STATUS, "Using default output filename: %s", | |
| 142 OutputFile); | |
| 143 } | |
| 144 | |
| 145 /* obtain name of version file */ | |
| 146 Versfile = t_info->ti_versfile; | |
| 147 | |
| 148 /* call create_lists() to setup for parse_versions() */ | |
| 149 create_lists(); | |
| 150 | |
| 151 /* Process Vers Files */ | |
| 152 if (parse_versions(Versfile)) { | |
| 153 return (NULL); | |
| 154 } | |
| 155 | |
| 156 return (Keywords); | |
| 157 } | |
| 158 | |
| 159 /* | |
| 160 * xlator_startlib() | |
| 161 * start of library | |
| 162 * returns: XLATOR_SUCCESS on success | |
| 163 * XLATOR_SKIP if library is to be skipped | |
| 164 * XLATOR_NONFATAL on error | |
| 165 */ | |
| 166 /*ARGSUSED*/ | |
| 167 int | |
| 168 xlator_startlib(char const *libname) | |
| 169 { | |
| 170 errlog(TRACING, "xlator_startlib"); | |
| 171 return (XLATOR_SUCCESS); | |
| 172 } | |
| 173 | |
| 174 /* | |
| 175 * xlator_startfile() | |
| 176 * start of spec file | |
| 177 * returns: XLATOR_SUCCESS on success | |
| 178 * XLATOR_SKIP if file is to be skipped | |
| 179 * XLATOR_NONFATAL on error | |
| 180 */ | |
| 181 int | |
| 182 xlator_startfile(char const *filename) | |
| 183 { | |
| 184 errlog(TRACING, "xlator_startfile"); | |
| 185 | |
| 186 Curfile = filename; | |
| 187 | |
| 188 return (XLATOR_SUCCESS); | |
| 189 } | |
| 190 | |
| 191 /* | |
| 192 * xlator_start_if () | |
| 193 * start of interface specification | |
| 194 * returns: XLATOR_SUCCESS on success | |
| 195 * XLATOR_SKIP if interface is to be skipped | |
| 196 * XLATOR_NONFATAL on error | |
| 197 * XLATOR_FATAL on fatal error | |
| 198 */ | |
| 199 int | |
| 200 xlator_start_if(const Meta_info meta_info, const int token, char *value) | |
| 201 { | |
| 202 char rhs[BUFSIZ]; | |
| 203 char *kw; | |
| 204 int err; | |
| 205 | |
| 206 errlog(TRACING, "xlator_start_if %s", value); | |
| 207 | |
| 208 switch (token) { | |
| 209 case XLATOR_KW_FUNC: | |
| 210 kw = "Function"; | |
| 211 break; | |
| 212 case XLATOR_KW_DATA: | |
| 213 kw = "Data"; | |
| 214 break; | |
| 215 default: | |
| 216 /* This should never happen */ | |
| 217 errlog(ERROR, | |
| 218 "\"%s\", line %d: Implementation error! " | |
| 219 "Please file a bug\n", __FILE__, __LINE__); | |
| 220 return (XLATOR_FATAL); | |
| 221 } | |
| 222 | |
| 223 Curline = meta_info.mi_line_number; | |
| 224 seterrline(Curline, meta_info.mi_filename, kw, value); | |
| 225 | |
| 226 if (Curfun != NULL) { | |
| 227 errlog(INPUT|ERROR, | |
| 228 "Error: Interface spec is missing the " | |
| 229 "End keyword: %s", Curfun); | |
| 230 return (XLATOR_NONFATAL); | |
| 231 } | |
| 232 | |
| 233 err = sscanf(value, "%s", rhs); | |
| 234 if (err == 0 || err == EOF) { | |
| 235 errlog(INPUT|ERROR, | |
| 236 "Error: Missing argument in \"%s\" line", kw); | |
| 237 return (XLATOR_NONFATAL); | |
| 238 } | |
| 239 | |
| 240 Curfun = strdup(rhs); | |
| 241 | |
| 242 if (Curfun == NULL) { | |
| 243 errlog(ERROR | FATAL, | |
| 244 "Internal Error: strdup() failure in xlator_startif()"); | |
| 245 } | |
| 246 | |
| 247 Iface.IF_name = Curfun; | |
| 248 Iface.IF_type = token; /* FUNCTION or DATA */ | |
| 249 | |
| 250 Iface.IF_version = NULL; | |
| 251 Iface.IF_class = NULL; | |
| 252 Has_Version = 0; | |
| 253 Supported_Arch = XLATOR_ALLARCH; | |
| 254 Version_Arch = 0; | |
| 255 | |
| 256 Iface.IF_binding = DEFAULT; | |
| 257 | |
| 258 Iface.IF_filter = NULL; | |
| 259 Iface.IF_auxiliary = NULL; | |
| 260 | |
| 261 return (XLATOR_SUCCESS); | |
| 262 } | |
| 263 | |
| 264 /* | |
| 265 * xlator_take_kvpair() | |
| 266 * processes spec keyword-value pairs | |
| 267 * returns: XLATOR_SUCCESS on success | |
| 268 * XLATOR_NONFATAL on error | |
| 269 */ | |
| 270 int | |
| 271 xlator_take_kvpair(const Meta_info meta_info, const int token, | |
| 272 char *value) | |
| 273 { | |
| 274 char *p; | |
| 275 char *subv = NULL; | |
| 276 char *key = Keywords[token-FIRST_TOKEN].key; | |
| 277 | |
| 278 Curline = meta_info.mi_line_number; | |
| 279 seterrline(Curline, meta_info.mi_filename, key, value); | |
| 280 | |
| 281 errlog(TRACING, | |
| 282 "take_kvpair called. ext_cnt=%d token=%d key=%s value=%s", | |
| 283 meta_info.mi_ext_cnt, token, key, value); | |
| 284 | |
| 285 if (Curfun == NULL) { | |
| 286 errlog(INPUT|ERROR, "Error: Keyword found outside " | |
| 287 "an interface specification block, line %d", Curline); | |
| 288 return (XLATOR_NONFATAL); | |
| 289 } | |
| 290 | |
| 291 switch (token) { | |
| 292 case XLATOR_KW_VERSION: | |
| 293 if (meta_info.mi_ext_cnt != 0) | |
| 294 return (XLATOR_SUCCESS); | |
| 295 | |
| 296 errlog(TRACING, "Version found. Setting Version to %s", value); | |
| 297 | |
| 298 /* Version line found ; used for auditing the SPEC */ | |
| 299 Has_Version = 1; | |
| 300 | |
| 301 /* remove trailing white space */ | |
| 302 p = strrchr(value, '\n'); | |
| 303 if (p) { | |
| 304 while (p >= value && isspace(*p)) { | |
| 305 *p = '\0'; | |
| 306 --p; | |
| 307 } | |
| 308 } | |
| 309 | |
| 310 /* is the version line valid */ | |
| 311 switch (version_sanity(value, &subv)) { | |
| 312 case VS_OK: /* OK, subv not set */ | |
| 313 break; | |
| 314 | |
| 315 case VS_INVARCH: /* Invalid Arch */ | |
| 316 errlog(INPUT|ERROR, "Error: Invalid architecture " | |
| 317 "string found in spec or version file: %s", subv); | |
| 318 free(subv); | |
| 319 return (XLATOR_NONFATAL); | |
| 320 | |
| 321 case VS_INVVERS: /* Invalid Version String */ | |
| 322 errlog(INPUT|ERROR, "Error: Invalid version string " | |
| 323 "in spec or version file: %s", subv); | |
| 324 free(subv); | |
| 325 return (XLATOR_NONFATAL); | |
| 326 | |
| 327 case VS_INVALID: /* Both Version and Arch are invalid */ | |
| 328 errlog(INPUT|ERROR, "Error: Invalid version and " | |
| 329 "architecture string in spec or version file" | |
| 330 ": %s", subv); | |
| 331 free(subv); | |
| 332 return (XLATOR_NONFATAL); | |
| 333 | |
| 334 default: /* BAD IMPLEMENTATION OF version_sanity */ | |
| 335 errlog(FATAL, "Error: bad return value from " | |
| 336 "version_sanity()! This should never happen!"); | |
| 337 } | |
| 338 | |
| 339 errlog(TRACING, "Version_Arch=%d", Version_Arch); | |
| 340 | |
| 341 Iface.IF_version = getversion(value); | |
| 342 break; | |
| 343 | |
| 344 case XLATOR_KW_ARCH: | |
| 345 if (meta_info.mi_ext_cnt != 0) | |
| 346 return (XLATOR_SUCCESS); | |
| 347 | |
| 348 if (value[0] != '\0') { | |
| 349 Supported_Arch = 0; | |
| 350 if (set_supported_arch(value)) { | |
| 351 errlog(INPUT|ERROR, | |
| 352 "Error: Unable to parse Arch line"); | |
| 353 return (XLATOR_NONFATAL); | |
| 354 } | |
| 355 } else { | |
| 356 errlog(INPUT | ERROR, "Error: Empty Arch line."); | |
| 357 } | |
| 358 | |
| 359 if (Supported_Arch == 0) { | |
| 360 errlog(INPUT | ERROR, | |
| 361 "Error: Unknown architecture defined in Arch line"); | |
| 362 } | |
| 363 | |
| 364 errlog(TRACING, | |
| 365 "Interface %s supports the following architectures: " | |
| 366 "%s\tSupported_Arch=%d", Curfun, value, Supported_Arch); | |
| 367 break; | |
| 368 | |
| 369 case XLATOR_KW_BINDING: | |
| 370 | |
| 371 /* | |
| 372 * Note that we allow extends for the binding keyword by | |
| 373 * not checking that meta_info.mi_ext_cnt == 0 here. | |
| 374 */ | |
| 375 | |
| 376 /* remove trailing white space */ | |
| 377 p = strrchr(value, '\n'); | |
| 378 if (p) { | |
| 379 while (p >= value && isspace(*p)) { | |
| 380 *p = '\0'; | |
| 381 --p; | |
| 382 } | |
| 383 } | |
| 384 | |
| 385 if (value[0] != '\0') { | |
| 386 if (strcmp(value, "direct") == 0) { | |
| 387 Iface.IF_binding = DIRECT; | |
| 388 } else if (strcmp(value, "nodirect") == 0) { | |
| 389 Iface.IF_binding = NODIRECT; | |
| 390 } else if (strcmp(value, "protected") == 0) { | |
| 391 Iface.IF_binding = PROTECTED; | |
| 392 } else { | |
| 393 errlog(INPUT|ERROR, | |
| 394 "Error: Invalid binding value: %s", value); | |
| 395 } | |
| 396 } else { | |
| 397 errlog(INPUT | ERROR, "Error: Empty Binding line."); | |
| 398 } | |
| 399 | |
| 400 errlog(TRACING, | |
| 401 "Interface %s has binding value: " | |
| 402 "%s", Curfun, value); | |
| 403 break; | |
| 404 | |
| 405 case XLATOR_KW_FILTER: | |
| 406 case XLATOR_KW_AUXILIARY: | |
| 407 /* | |
| 408 * The following is for the "extends" clause. As with | |
| 409 * XLATOR_KW_VERSION, we do not want to follow an "extends" | |
| 410 * chain to get the filter or auxiliary values: we want | |
| 411 * the first/most-tightly-bound one (mi_ext_cnt = 0). | |
| 412 */ | |
| 413 if (meta_info.mi_ext_cnt != 0) | |
| 414 return (XLATOR_SUCCESS); | |
| 415 | |
| 416 errlog(TRACING, "Filter[token=%d] found. Setting Filter to %s", | |
| 417 token, value); | |
| 418 | |
| 419 /* remove trailing white space */ | |
| 420 p = strrchr(value, '\n'); | |
| 421 if (p) { | |
| 422 while (p >= value && isspace(*p)) { | |
| 423 *p = '\0'; | |
| 424 --p; | |
| 425 } | |
| 426 } | |
| 427 | |
| 428 errlog(TRACING, "Version_Arch=%d", Version_Arch); | |
| 429 | |
| 430 if (token == XLATOR_KW_FILTER) { | |
| 431 Iface.IF_filter = getfilter(value); | |
| 432 } else if (token == XLATOR_KW_AUXILIARY) { | |
| 433 Iface.IF_auxiliary = getfilter(value); | |
| 434 } | |
| 435 | |
| 436 break; | |
| 437 default: | |
| 438 errlog(INPUT|ERROR, "Error: Unrecognized keyword snuck in!" | |
| 439 "\tThis is a programmer error: %s", key); | |
| 440 return (XLATOR_NONFATAL); | |
| 441 } | |
| 442 | |
| 443 return (XLATOR_SUCCESS); | |
| 444 } | |
| 445 | |
| 446 /* | |
| 447 * xlator_end_if () | |
| 448 * signal end of spec interface spec | |
| 449 * returns: XLATOR_SUCCESS on success | |
| 450 * XLATOR_NONFATAL on error | |
| 451 */ | |
| 452 /*ARGSUSED*/ | |
| 453 int | |
| 454 xlator_end_if(const Meta_info M, const char *value) | |
| 455 { | |
| 456 int retval = XLATOR_NONFATAL; | |
| 457 int picky = Flags & XLATOR_PICKY_FLAG; | |
| 458 | |
| 459 seterrline(M.mi_line_number, M.mi_filename, "End", ""); | |
| 460 errlog(TRACING, "xlator_end_if"); | |
| 461 | |
| 462 if (Curfun == NULL) { | |
| 463 errlog(INPUT | ERROR, "Error: End without " | |
| 464 "matching Function or Data in file \"%s\"", Curfile); | |
| 465 goto cleanup; | |
| 466 } | |
| 467 | |
| 468 errlog(TRACING, "Interface=%s", Iface.IF_name); | |
| 469 | |
| 470 if (!Has_Version) { | |
| 471 if (picky) { | |
| 472 errlog(INPUT | ERROR, "Error: Interface has no " | |
| 473 "Version!\n\tInterface=%s\n\tSPEC File=%s", | |
| 474 Iface.IF_name, Curfile); | |
| 475 } else { | |
| 476 errlog(INPUT | WARNING, "Warning: Interface has " | |
| 477 "no Version!\n\tInterface=%s\n\tSPEC File=%s", | |
| 478 Iface.IF_name, Curfile); | |
| 479 retval = XLATOR_SUCCESS; | |
| 480 } | |
| 481 goto cleanup; | |
| 482 } | |
| 483 | |
| 484 if (Version_Arch & (~Supported_Arch)) { | |
| 485 errlog(INPUT | ERROR, "Error: Architectures in Version " | |
| 486 "line must be a subset of Architectures in Arch line\n" | |
| 487 "\tInterface=%s\n\tSPEC File=%s", Iface.IF_name, Curfile); | |
| 488 goto cleanup; | |
| 489 } | |
| 490 | |
| 491 if ((TargetArchToken & Supported_Arch) == 0) { | |
| 492 /* | |
| 493 * This interface is not for the architecture | |
| 494 * we are currently processing, so we skip it. | |
| 495 */ | |
| 496 retval = XLATOR_SUCCESS; | |
| 497 goto cleanup; | |
| 498 } | |
| 499 | |
| 500 if (Iface.IF_version == NULL) { | |
| 501 if (picky) { | |
| 502 errlog(ERROR|INPUT, | |
| 503 "Error: Version was not found for " | |
| 504 "\"%s\" architecture\n\tInterface=%s", | |
| 505 TargetArchStr, Iface.IF_name); | |
| 506 } else { | |
| 507 errlog(WARNING | INPUT, | |
| 508 "Warning: Version was not found for " | |
| 509 "\"%s\" architecture\n\tInterface=%s", | |
| 510 TargetArchStr, Iface.IF_name); | |
| 511 retval = XLATOR_SUCCESS; | |
| 512 } | |
| 513 goto cleanup; | |
| 514 } | |
| 515 | |
| 516 /* check Iface.IF_type */ | |
| 517 switch (Iface.IF_type) { | |
| 518 case FUNCTION: | |
| 519 errlog(VERBOSE, "Interface type = FUNCTION"); | |
| 520 break; | |
| 521 case DATA: | |
| 522 errlog(VERBOSE, "Interface type = DATA"); | |
| 523 break; | |
| 524 case NOTYPE: | |
| 525 errlog(WARNING, | |
| 526 "Warning: Interface is neither " | |
| 527 "DATA nor FUNCTION!!\n\t" | |
| 528 "Interface=%s\n\tSPEC File=%s", | |
| 529 Iface.IF_name, Curfile); | |
| 530 break; | |
| 531 default: | |
| 532 errlog(ERROR, "Error: Bad spec2map implementation!\n" | |
| 533 "\tInterface type is invalid\n" | |
| 534 "\tThis should never happen.\n" | |
| 535 "\tInterface=%s\tSPEC File=%s", Iface.IF_name, Curfile); | |
| 536 goto cleanup; | |
| 537 } | |
| 538 | |
| 539 (void) add_by_name(Iface.IF_version, &Iface); | |
| 540 | |
| 541 retval = XLATOR_SUCCESS; | |
| 542 | |
| 543 cleanup: | |
| 544 | |
| 545 /* cleanup */ | |
| 546 Iface.IF_name = NULL; | |
| 547 | |
| 548 free(Iface.IF_version); | |
| 549 Iface.IF_version = NULL; | |
| 550 | |
| 551 free(Iface.IF_class); | |
| 552 Iface.IF_class = NULL; | |
| 553 | |
| 554 free(Curfun); | |
| 555 Curfun = NULL; | |
| 556 | |
| 557 Supported_Arch = XLATOR_ALLARCH; | |
| 558 return (retval); | |
| 559 } | |
| 560 | |
| 561 /* | |
| 562 * xlator_endfile() | |
| 563 * signal end of spec file | |
| 564 * returns: XLATOR_SUCCESS on success | |
| 565 * XLATOR_NONFATAL on error | |
| 566 */ | |
| 567 int | |
| 568 xlator_endfile(void) | |
| 569 { | |
| 570 | |
| 571 errlog(TRACING, "xlator_endfile"); | |
| 572 | |
| 573 Curfile = NULL; | |
| 574 | |
| 575 return (XLATOR_SUCCESS); | |
| 576 } | |
| 577 | |
| 578 /* | |
| 579 * xlator_endlib() | |
| 580 * signal end of library | |
| 581 * returns: XLATOR_SUCCESS on success | |
| 582 * XLATOR_NONFATAL on error | |
| 583 */ | |
| 584 int | |
| 585 xlator_endlib(void) | |
| 586 { | |
| 587 FILE *mapfp; | |
| 588 int retval = XLATOR_SUCCESS; | |
| 589 | |
| 590 errlog(TRACING, "xlator_endlib"); | |
| 591 | |
| 592 /* Pretend to print mapfile */ | |
| 593 if (Verbosity >= TRACING) { | |
| 594 print_all_buckets(); | |
| 595 } | |
| 596 | |
| 597 /* Everything read, now organize it! */ | |
| 598 sort_buckets(); | |
| 599 add_local(); | |
| 600 | |
| 601 /* Create Output */ | |
| 602 mapfp = fopen(OutputFile, "w"); | |
| 603 if (mapfp == NULL) { | |
| 604 errlog(ERROR, | |
| 605 "Error: Unable to open output file \"%s\"\n\t%s", | |
| 606 OutputFile, strerror(errno)); | |
| 607 retval = XLATOR_NONFATAL; | |
| 608 } else { | |
| 609 writemapfile(mapfp); | |
| 610 (void) fclose(mapfp); | |
| 611 } | |
| 612 | |
| 613 return (retval); | |
| 614 } | |
| 615 | |
| 616 /* | |
| 617 * xlator_end() | |
| 618 * signal end of translation | |
| 619 * returns: XLATOR_SUCCESS on success | |
| 620 * XLATOR_NONFATAL on error | |
| 621 */ | |
| 622 int | |
| 623 xlator_end(void) | |
| 624 { | |
| 625 errlog(TRACING, "xlator_end"); | |
| 626 | |
| 627 /* Destroy the list created by create_lists */ | |
| 628 delete_lists(); | |
| 629 | |
| 630 return (XLATOR_SUCCESS); | |
| 631 } | |
| 632 | |
| 633 /* | |
| 634 * getversion() | |
| 635 * called by xlator_take_kvpair when Version keyword is found | |
| 636 * parses the Version string and returns the one that matches | |
| 637 * the current target architecture | |
| 638 * | |
| 639 * the pointer returned by this function must be freed later. | |
| 640 */ | |
| 641 static char * | |
| 642 getversion(const char *value) | |
| 643 { | |
| 644 char *v, *p; | |
| 645 char arch[ARCHBUFLEN]; | |
| 646 int archlen; | |
| 647 | |
| 648 /* up to ARCHBUFLEN-1 */ | |
| 649 (void) strncpy(arch, TargetArchStr, ARCHBUFLEN-1); | |
| 650 arch[ARCHBUFLEN-2] = '\0'; | |
| 651 (void) strcat(arch, "="); /* append an '=' */ | |
| 652 archlen = strlen(arch); | |
| 653 | |
| 654 errlog(VERBOSE, "getversion: value=%s", value); | |
| 655 | |
| 656 if (strchr(value, '=') != NULL) { | |
| 657 if ((v = strstr(value, arch)) != NULL) { | |
| 658 p = strdup(v + archlen); | |
| 659 if (p == NULL) { | |
| 660 errlog(ERROR | FATAL, | |
| 661 "Internal Error: strdup() failure " | |
| 662 "in getversion()"); | |
| 663 } | |
| 664 v = p; | |
| 665 while (!isspace(*v) && *v != '\0') | |
| 666 ++v; | |
| 667 *v = '\0'; | |
| 668 } else { | |
| 669 errlog(VERBOSE, "getversion returns: NULL"); | |
| 670 return (NULL); | |
| 671 } | |
| 672 } else { | |
| 673 p = strdup(value); | |
| 674 if (p == NULL) { | |
| 675 errlog(ERROR | FATAL, "Internal Error: strdup() " | |
| 676 "failure in getversion()"); | |
| 677 } | |
| 678 } | |
| 679 | |
| 680 if (p != NULL) | |
| 681 errlog(VERBOSE, "getversion returns: %s", p); | |
| 682 else | |
| 683 errlog(VERBOSE, "getversion returns: NULL"); | |
| 684 | |
| 685 return (p); | |
| 686 } | |
| 687 | |
| 688 /* | |
| 689 * getfilter() | |
| 690 * Called by xlator_take_kvpair when "filter" or "auxiliary" keyword is | |
| 691 * found. Parses the Filter/Auxiliary string and returns the one that | |
| 692 * matches the current target architecture | |
| 693 * | |
| 694 * The pointer returned by this function must be freed later. | |
| 695 * | |
| 696 * Note that returning NULL here indicates there was no desired | |
| 697 * arch=path item in value, i.e. for TargetArchStr the interface is | |
| 698 * not a filter. | |
| 699 */ | |
| 700 static char * | |
| 701 getfilter(const char *value) | |
| 702 { | |
| 703 char *v, *p; | |
| 704 char arch[ARCHBUFLEN]; | |
| 705 int archlen; | |
| 706 | |
| 707 /* up to ARCHBUFLEN-1 */ | |
| 708 (void) strncpy(arch, TargetArchStr, ARCHBUFLEN-1); | |
| 709 arch[ARCHBUFLEN-2] = '\0'; | |
| 710 (void) strcat(arch, "="); /* append an '=' */ | |
| 711 archlen = strlen(arch); | |
| 712 | |
| 713 errlog(VERBOSE, "getfilter: value=%s", value); | |
| 714 | |
| 715 if (strchr(value, '=') != NULL) { | |
| 716 if ((v = strstr(value, arch)) != NULL) { | |
| 717 p = strdup(v + archlen); | |
| 718 if (p == NULL) { | |
| 719 errlog(ERROR | FATAL, | |
| 720 "Internal Error: strdup() failure " | |
| 721 "in getfilter()"); | |
| 722 } | |
| 723 v = p; | |
| 724 while (!isspace(*v) && *v != '\0') | |
| 725 ++v; | |
| 726 *v = '\0'; | |
| 727 } else { | |
| 728 errlog(VERBOSE, "getfilter returns: NULL"); | |
| 729 return (NULL); | |
| 730 } | |
| 731 } else { | |
| 732 p = strdup(value); | |
| 733 if (p == NULL) { | |
| 734 errlog(ERROR | FATAL, "Internal Error: strdup() " | |
| 735 "failure in getfilter()"); | |
| 736 } | |
| 737 } | |
| 738 | |
| 739 if (p != NULL) | |
| 740 errlog(VERBOSE, "getfilter returns: %s", p); | |
| 741 else | |
| 742 errlog(VERBOSE, "getfilter returns: NULL"); | |
| 743 | |
| 744 return (p); | |
| 745 } | |
| 746 | |
| 747 /* | |
| 748 * version_sanity() | |
| 749 * for each version info in the Version line | |
| 750 * check for its validity. | |
| 751 * Set Version_arch to reflect all supported architectures if successful. | |
| 752 * Upon return on failure, subv will contain the last version string | |
| 753 * processed | |
| 754 * returns: VS_OK OK | |
| 755 * VS_INVARCH Invalid Architecture | |
| 756 * VS_INVVERS Invalid Version String | |
| 757 * VS_INVALID Both Version and Architecture are invalid; | |
| 758 */ | |
| 759 static int | |
| 760 version_sanity(const char *value, char **subv) | |
| 761 { | |
| 762 char *p, *v, *a; | |
| 763 int retval = VS_INVALID; | |
| 764 | |
| 765 if (strchr(value, '=')) { | |
| 766 /* Form 1: Version arch=Version_string */ | |
| 767 v = strdup(value); | |
| 768 if (v == NULL) { | |
| 769 errlog(ERROR | FATAL, | |
| 770 "Internal Error: strdup() failure in " | |
| 771 "version_sanity()"); | |
| 772 } | |
| 773 | |
| 774 /* process each arch=version string */ | |
| 775 p = v; | |
| 776 while ((a = strtok(p, " \t\n"))) { | |
| 777 if ((retval = arch_version_sanity(a)) != VS_OK) { | |
| 778 *subv = strdup(a); | |
| 779 if (subv == NULL) { | |
| 780 errlog(ERROR | FATAL, | |
| 781 "Internal Error: strdup() failure " | |
| 782 "in version_sanity()"); | |
| 783 } | |
| 784 break; | |
| 785 } | |
| 786 if ((retval = set_version_arch(a)) != VS_OK) { | |
| 787 /* set the global Version_arch */ | |
| 788 *subv = strdup(a); | |
| 789 if (subv == NULL) { | |
| 790 errlog(ERROR | FATAL, | |
| 791 "Internal Error: strdup() failure " | |
| 792 "in version_sanity()"); | |
| 793 } | |
| 794 break; | |
| 795 } | |
| 796 p = NULL; | |
| 797 } | |
| 798 free(v); | |
| 799 } else { | |
| 800 /* Form 2: Version Version_string */ | |
| 801 if (valid_version(value)) { | |
| 802 retval = VS_OK; | |
| 803 } else { | |
| 804 *subv = strdup(value); | |
| 805 if (subv == NULL) { | |
| 806 errlog(ERROR | FATAL, | |
| 807 "Internal Error: strdup() failure " | |
| 808 "in version_sanity()"); | |
| 809 } | |
| 810 } | |
| 811 } | |
| 812 return (retval); | |
| 813 } | |
| 814 | |
| 815 /* | |
| 816 * arch_version_sanity() | |
| 817 * checks version lines of the form "arch=version" | |
| 818 * av MUST be a string of the form "arch=version" (no spaces) | |
| 819 * returns: VS_OK OK | |
| 820 * VS_INVARCH Invalid Architecture | |
| 821 * VS_INVVERS Invalid Version String | |
| 822 * VS_INVALID Both Versions are invalid; | |
| 823 */ | |
| 824 static int | |
| 825 arch_version_sanity(char *av) | |
| 826 { | |
| 827 char *p, *v; | |
| 828 int retval = VS_OK; | |
| 829 | |
| 830 p = strchr(av, '='); | |
| 831 if (p == NULL) { | |
| 832 errlog(INPUT|ERROR, "Error: Incorrect format of Version line"); | |
| 833 return (VS_INVALID); | |
| 834 } | |
| 835 | |
| 836 *p = '\0'; /* stick a '\0' where the '=' was */ | |
| 837 v = p + 1; | |
| 838 | |
| 839 if (valid_arch(av) == 0) | |
| 840 retval = VS_INVARCH; | |
| 841 | |
| 842 if (valid_version(v) == 0) | |
| 843 retval += VS_INVVERS; | |
| 844 | |
| 845 *p = '='; /* restore the '=' */ | |
| 846 | |
| 847 return (retval); | |
| 848 } | |
| 849 | |
| 850 /* | |
| 851 * writemapfile() | |
| 852 * called by xlator_endlib(); | |
| 853 * writes out the map file | |
| 854 */ | |
| 855 static void | |
| 856 writemapfile(FILE *mapfp) | |
| 857 { | |
| 858 bucket_t *l; /* List of buckets. */ | |
| 859 bucket_t *b; /* Bucket within list. */ | |
| 860 struct bucketlist *bl; | |
| 861 table_t *t; | |
| 862 int i = 0, n = 0; | |
| 863 char **p; | |
| 864 | |
| 865 errlog(BEGIN, "writemapfile() {"); | |
| 866 for (l = first_list(); l != NULL; l = next_list()) { | |
| 867 | |
| 868 for (b = first_from_list(l); b != NULL; b = next_from_list()) { | |
| 869 errlog(TRACING, "b_name = %s", b->b_name); | |
| 870 print_bucket(b); /* Debugging routine. */ | |
| 871 | |
| 872 if (!b->b_was_printed) { | |
| 873 /* Ok, we can print it. */ | |
| 874 b->b_was_printed = 1; | |
| 875 (void) fprintf(mapfp, "%s {\n", b->b_name); | |
| 876 | |
| 877 if (b->b_weak != 1) { | |
| 878 char *strtab; | |
| 879 | |
| 880 (void) fprintf(mapfp, " global:\n"); | |
| 881 | |
| 882 strtab = get_stringtable( | |
| 883 b->b_global_table, 0); | |
| 884 | |
| 885 if (strtab == NULL) { | |
| 886 /* | |
| 887 * There were no interfaces | |
| 888 * in the bucket. | |
| 889 * Insert a dummy entry | |
| 890 * to avoid a "weak version" | |
| 891 */ | |
| 892 (void) fprintf(mapfp, | |
| 893 "\t%s;\n", b->b_name); | |
| 894 } | |
| 895 } else { | |
| 896 (void) fprintf(mapfp, | |
| 897 " # Weak version\n"); | |
| 898 } | |
| 899 /* Print all the interfaces in the bucket. */ | |
| 900 t = b->b_global_table; | |
| 901 n = t->used; | |
| 902 | |
| 903 for (i = 0; i <= n; ++i) { | |
| 904 (void) fprintf(mapfp, "\t%s;\n", | |
| 905 get_stringtable(t, i)); | |
| 906 } | |
| 907 | |
| 908 if (b->b_has_protecteds) { | |
| 909 t = b->b_protected_table; | |
| 910 n = t->used; | |
| 911 | |
| 912 (void) fprintf(mapfp, | |
| 913 " protected:\n"); | |
| 914 | |
| 915 for (i = 0; i <= n; ++i) { | |
| 916 (void) fprintf(mapfp, "\t%s;\n", | |
| 917 get_stringtable(t, i)); | |
| 918 } | |
| 919 } | |
| 920 | |
| 921 /* Conditionally add ``local: *;''. */ | |
| 922 if (b->b_has_locals) { | |
| 923 (void) fprintf(mapfp, | |
| 924 " local:\n\t*;\n}"); | |
| 925 } else { | |
| 926 (void) fprintf(mapfp, "}"); | |
| 927 } | |
| 928 /* Print name of all parents. */ | |
| 929 for (p = parents_of(b); | |
| 930 p != NULL && *p != '\0'; ++p) { | |
| 931 (void) fprintf(mapfp, " %s", *p); | |
| 932 } | |
| 933 bl = b->b_uncles; | |
| 934 while (bl != NULL) { | |
| 935 (void) fprintf(mapfp, " %s", | |
| 936 bl->bl_bucket->b_name); | |
| 937 bl = bl->bl_next; | |
| 938 } | |
| 939 | |
| 940 (void) fprintf(mapfp, ";\n\n"); | |
| 941 } else { | |
| 942 /* | |
| 943 * We've printed this one before, | |
| 944 * so don't do it again. | |
| 945 */ | |
| 946 /*EMPTY*/; | |
| 947 } | |
| 948 } | |
| 949 } | |
| 950 errlog(END, "}"); | |
| 951 } | |
| 952 | |
| 953 /* | |
| 954 * set_version_arch () | |
| 955 * input must be a string of the form "arch=version" | |
| 956 * turns on bits of global Version_Arch that correspond to the "arch" | |
| 957 * return VS_OK upon success | |
| 958 * VS_INVARCH if architecture is invalid | |
| 959 * EINVAL on other failure | |
| 960 */ | |
| 961 static int | |
| 962 set_version_arch(const char *arch) | |
| 963 { | |
| 964 char *a, *p; | |
| 965 int x; | |
| 966 int retval = EINVAL; | |
| 967 | |
| 968 if (arch == NULL) | |
| 969 return (retval); | |
| 970 | |
| 971 a = strdup(arch); | |
| 972 if (a == NULL) { | |
| 973 errlog(ERROR | FATAL, | |
| 974 "Internal Error: strdup() failure in " | |
| 975 "set_version_arch()"); | |
| 976 } | |
| 977 | |
| 978 p = strchr(a, '='); | |
| 979 if (p) { | |
| 980 *p = '\0'; | |
| 981 x = arch_strtoi(a); | |
| 982 if (x == 0) { | |
| 983 errlog(INPUT|ERROR, | |
| 984 "Error: Invalid architecture: %s", a); | |
| 985 retval = VS_INVARCH; | |
| 986 } else { | |
| 987 Version_Arch |= x; | |
| 988 retval = 0; | |
| 989 } | |
| 990 } | |
| 991 | |
| 992 free(a); | |
| 993 return (retval); | |
| 994 } | |
| 995 | |
| 996 /* | |
| 997 * set_supported_arch () | |
| 998 * input must be a string listing the architectures to be supported | |
| 999 * turns on bits of global Supported_Arch that correspond to the architecture | |
| 1000 * return 0 upon success, EINVAL on failure | |
| 1001 */ | |
| 1002 static int | |
| 1003 set_supported_arch(const char *arch) | |
| 1004 { | |
| 1005 char *a, *p, *tmp; | |
| 1006 int retval = EINVAL; | |
| 1007 | |
| 1008 if (arch == NULL || *arch == '\0') | |
| 1009 return (EINVAL); | |
| 1010 | |
| 1011 tmp = strdup(arch); | |
| 1012 if (tmp == NULL) { | |
| 1013 errlog(ERROR | FATAL, "Internal Error: strdup() failure in " | |
| 1014 "set_supported_arch()"); | |
| 1015 } | |
| 1016 | |
| 1017 p = tmp; | |
| 1018 while ((a = strtok(p, " ,\t\n"))) { | |
| 1019 int x; | |
| 1020 x = arch_strtoi(a); | |
| 1021 if (x == 0) { | |
| 1022 errlog(INPUT|ERROR, | |
| 1023 "Error: Invalid architecture: %s", a); | |
| 1024 free(tmp); | |
| 1025 return (EINVAL); | |
| 1026 } | |
| 1027 Supported_Arch |= x; | |
| 1028 retval = 0; | |
| 1029 p = NULL; | |
| 1030 } | |
| 1031 | |
| 1032 free(tmp); | |
| 1033 return (retval); | |
| 1034 } |