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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright (c) 1988 AT&T 24 * All Rights Reserved 25 * 26 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 27 * Use is subject to license terms. 28 */ 29 #pragma ident "%Z%%M% %I% %E% SMI" 30 31 /* 32 * Publically available flags are defined in ld(1). The following flags are 33 * private, and may be removed at any time. 34 * 35 * OPTION MEANING 36 * 37 * -z dtrace=symbol assigns symbol to PT_SUNWDTRACE segment, 38 * providing scratch ares for dtrace processing. 39 * 40 * -z noreloc suppress relocation processing. This provides 41 * a mechanism for validating kernel module symbol 42 * resolution that would normally incur fatal 43 * relocation errors. 44 * 45 * -z rtldinfo=symbol assigns symbol to SUNW_RTLDINF dynamic tag, 46 * providing pre-initialization specific routines 47 * for TLS initialization. 48 */ 49 #include <sys/link.h> 50 #include <stdio.h> 51 #include <fcntl.h> 52 #include <string.h> 53 #include <errno.h> 54 #include <elf.h> 55 #include <unistd.h> 56 #include <debug.h> 57 #include "msg.h" 58 #include "_libld.h" 59 60 /* 61 * Define a set of local argument flags, the settings of these will be 62 * verified in check_flags() and lead to the appropriate output file flags 63 * being initialized. 64 */ 65 typedef enum { 66 SET_UNKNOWN = -1, 67 SET_FALSE = 0, 68 SET_TRUE = 1 69 } Setstate; 70 71 static Setstate dflag = SET_UNKNOWN; 72 static Setstate zdflag = SET_UNKNOWN; 73 static Setstate Qflag = SET_UNKNOWN; 74 static Setstate Bdflag = SET_UNKNOWN; 75 76 static Boolean aflag = FALSE; 77 static Boolean bflag = FALSE; 78 static Boolean rflag = FALSE; 79 static Boolean sflag = FALSE; 80 static Boolean zinflag = FALSE; 81 static Boolean zlflag = FALSE; 82 static Boolean Bgflag = FALSE; 83 static Boolean Blflag = FALSE; 84 static Boolean Beflag = FALSE; 85 static Boolean Bsflag = FALSE; 86 static Boolean Btflag = FALSE; 87 static Boolean Gflag = FALSE; 88 static Boolean Vflag = FALSE; 89 90 /* 91 * ztflag's state is set by pointing it to the matching string: 92 * text | textoff | textwarn 93 */ 94 static const char *ztflag = 0; 95 96 static uintptr_t process_files_com(Ofl_desc *, int, char **); 97 static uintptr_t process_flags_com(Ofl_desc *, int, char **, int *); 98 99 /* 100 * Print usage message to stderr - 2 modes, summary message only, 101 * and full usage message. 102 */ 103 static void 104 usage_mesg(Boolean detail) 105 { 106 (void) fprintf(stderr, MSG_INTL(MSG_ARG_USAGE), 107 MSG_ORIG(MSG_STR_OPTIONS)); 108 109 if (detail == FALSE) 110 return; 111 112 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_6)); 113 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_A)); 114 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_B)); 115 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CBDR)); 116 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CBDY)); 117 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CBE)); 118 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CBG)); 119 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CBL)); 120 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CBR)); 121 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CBS)); 122 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_C)); 123 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CC)); 124 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_D)); 125 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CD)); 126 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_E)); 127 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_F)); 128 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CF)); 129 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CG)); 130 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_H)); 131 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_I)); 132 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CI)); 133 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_L)); 134 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CL)); 135 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_M)); 136 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CM)); 137 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CN)); 138 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_O)); 139 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_P)); 140 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CP)); 141 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CQ)); 142 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_R)); 143 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CR)); 144 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_S)); 145 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CS)); 146 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_T)); 147 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_U)); 148 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CV)); 149 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CY)); 150 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZA)); 151 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZAE)); 152 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZC)); 153 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZNC)); 154 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZDFS)); 155 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZDRS)); 156 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZE)); 157 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZFA)); 158 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZGP)); 159 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZH)); 160 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZIG)); 161 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZINA)); 162 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZINI)); 163 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZINT)); 164 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZLAZY)); 165 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZLD32)); 166 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZLD64)); 167 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZLO)); 168 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZM)); 169 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZNDFS)); 170 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZNDEF)); 171 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZNDEL)); 172 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZNDLO)); 173 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZNDU)); 174 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZNPA)); 175 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZNV)); 176 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZNOW)); 177 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZO)); 178 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZPIA)); 179 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZRL)); 180 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZRS)); 181 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZT)); 182 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZTO)); 183 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZTW)); 184 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZV)); 185 } 186 187 /* 188 * Checks the command line option flags for consistency. 189 */ 190 static uintptr_t 191 check_flags(Ofl_desc * ofl, int argc) 192 { 193 if (Plibpath && (Llibdir || Ulibdir)) { 194 eprintf(ofl->ofl_lml, ERR_FATAL, MSG_INTL(MSG_ARG_YP), 195 Llibdir ? 'L' : 'U'); 196 ofl->ofl_flags |= FLG_OF_FATAL; 197 } 198 199 if (rflag) { 200 if (dflag == SET_UNKNOWN) 201 dflag = SET_FALSE; 202 if (ofl->ofl_flags1 & FLG_OF1_RELCNT) { 203 eprintf(ofl->ofl_lml, ERR_WARNING, 204 MSG_INTL(MSG_ARG_INCOMP), MSG_ORIG(MSG_ARG_R), 205 MSG_ORIG(MSG_ARG_ZCOMBRELOC)); 206 ofl->ofl_flags1 &= ~FLG_OF1_RELCNT; 207 } 208 ofl->ofl_flags |= FLG_OF_RELOBJ; 209 } 210 211 if (zdflag == SET_TRUE) 212 ofl->ofl_flags |= FLG_OF_NOUNDEF; 213 214 if (zinflag) 215 ofl->ofl_dtflags_1 |= DF_1_INTERPOSE; 216 217 if (sflag) 218 ofl->ofl_flags |= FLG_OF_STRIP; 219 220 if (Qflag == SET_TRUE) 221 ofl->ofl_flags |= FLG_OF_ADDVERS; 222 223 if (Blflag) 224 ofl->ofl_flags |= FLG_OF_AUTOLCL; 225 226 if (Beflag) 227 ofl->ofl_flags1 |= FLG_OF1_AUTOELM; 228 229 if (Blflag && Beflag) { 230 eprintf(ofl->ofl_lml, ERR_FATAL, MSG_INTL(MSG_ARG_INCOMP), 231 MSG_ORIG(MSG_ARG_BELIMINATE), MSG_ORIG(MSG_ARG_BLOCAL)); 232 ofl->ofl_flags |= FLG_OF_FATAL; 233 } 234 235 if (dflag != SET_FALSE) { 236 /* 237 * Set -Bdynamic on by default, setting is rechecked as input 238 * files are processed. 239 */ 240 ofl->ofl_flags |= 241 (FLG_OF_DYNAMIC | FLG_OF_DYNLIBS | FLG_OF_PROCRED); 242 243 if (aflag) { 244 eprintf(ofl->ofl_lml, ERR_FATAL, 245 MSG_INTL(MSG_ARG_INCOMP), MSG_ORIG(MSG_ARG_DY), 246 MSG_ORIG(MSG_ARG_A)); 247 ofl->ofl_flags |= FLG_OF_FATAL; 248 } 249 250 if (bflag) 251 ofl->ofl_flags |= FLG_OF_BFLAG; 252 253 if (Bgflag == TRUE) { 254 if (zdflag == SET_FALSE) { 255 eprintf(ofl->ofl_lml, ERR_FATAL, 256 MSG_INTL(MSG_ARG_INCOMP), 257 MSG_ORIG(MSG_ARG_BGROUP), 258 MSG_ORIG(MSG_ARG_ZNODEF)); 259 ofl->ofl_flags |= FLG_OF_FATAL; 260 } 261 ofl->ofl_dtflags_1 |= DF_1_GROUP; 262 ofl->ofl_flags |= FLG_OF_NOUNDEF; 263 } 264 265 /* 266 * If the use of default library searching has been suppressed 267 * but no runpaths have been provided we're going to have a hard 268 * job running this object. 269 */ 270 if ((ofl->ofl_dtflags_1 & DF_1_NODEFLIB) && !ofl->ofl_rpath) 271 eprintf(ofl->ofl_lml, ERR_WARNING, 272 MSG_INTL(MSG_ARG_NODEFLIB)); 273 274 /* 275 * By default, text relocation warnings are given when building 276 * an executable unless the -b flag is specified. This option 277 * implies that unclean text can be created, so no warnings are 278 * generated unless specifically asked for. 279 */ 280 if ((ztflag == MSG_ORIG(MSG_ARG_ZTEXTOFF)) || 281 ((ztflag == 0) && bflag)) 282 ofl->ofl_flags1 |= FLG_OF1_TEXTOFF; 283 else if (ztflag == MSG_ORIG(MSG_ARG_ZTEXT)) 284 ofl->ofl_flags |= FLG_OF_PURETXT; 285 286 if (Gflag || !rflag) { 287 /* 288 * Create a dynamic object. -Bdirect indicates that all 289 * references should be bound directly. This also 290 * enables lazyloading. Individual symbols can be 291 * bound directly (or not) using mapfiles and the 292 * DIRECT (NODIRECT) qualifier. With this capability, 293 * each syminfo entry is tagged SYMINFO_FLG_DIRECTBIND. 294 * Prior to this per-symbol direct binding, runtime 295 * direct binding was controlled via the DF_1_DIRECT 296 * flag. This flag affected all references from the 297 * object. -Bdirect continues to set this flag, and 298 * thus provides a means of taking a newly built 299 * direct binding object back to older systems. 300 * 301 * NOTE, any use of per-symbol NODIRECT bindings, or 302 * -znodirect, will disable the creation of the 303 * DF_1_DIRECT flag. Older runtime linkers do not 304 * have the capability to do per-symbol direct bindings. 305 */ 306 if (Bdflag == SET_TRUE) { 307 ofl->ofl_dtflags_1 |= DF_1_DIRECT; 308 ofl->ofl_flags1 |= FLG_OF1_LAZYLD; 309 ofl->ofl_flags |= FLG_OF_SYMINFO; 310 } 311 312 /* 313 * -Bnodirect disables directly binding to any symbols 314 * exported from the object being created. Individual 315 * references to external objects can still be affected 316 * by -zdirect or mapfile DIRECT directives. 317 */ 318 if (Bdflag == SET_FALSE) { 319 ofl->ofl_dtflags_1 |= DF_1_NODIRECT; 320 ofl->ofl_flags1 |= 321 (FLG_OF1_NDIRECT | FLG_OF1_ALNODIR); 322 ofl->ofl_flags |= FLG_OF_SYMINFO; 323 } 324 } 325 326 if (!Gflag && !rflag) { 327 /* 328 * Dynamically linked executable. 329 */ 330 ofl->ofl_flags |= FLG_OF_EXEC; 331 332 if (zdflag != SET_FALSE) 333 ofl->ofl_flags |= FLG_OF_NOUNDEF; 334 335 if (Bsflag) { 336 eprintf(ofl->ofl_lml, ERR_FATAL, 337 MSG_INTL(MSG_ARG_DYNINCOMP), 338 MSG_ORIG(MSG_ARG_BSYMBOLIC)); 339 ofl->ofl_flags |= FLG_OF_FATAL; 340 } 341 if (ofl->ofl_soname) { 342 eprintf(ofl->ofl_lml, ERR_FATAL, 343 MSG_INTL(MSG_ARG_DYNINCOMP), 344 MSG_ORIG(MSG_ARG_H)); 345 ofl->ofl_flags |= FLG_OF_FATAL; 346 } 347 if (Btflag) { 348 eprintf(ofl->ofl_lml, ERR_FATAL, 349 MSG_INTL(MSG_ARG_DYNINCOMP), 350 MSG_ORIG(MSG_ARG_BTRANS)); 351 ofl->ofl_flags |= FLG_OF_FATAL; 352 } 353 if (ofl->ofl_filtees) { 354 if (ofl->ofl_flags & FLG_OF_AUX) { 355 eprintf(ofl->ofl_lml, ERR_FATAL, 356 MSG_INTL(MSG_ARG_DYNINCOMP), 357 MSG_ORIG(MSG_ARG_F)); 358 } else { 359 eprintf(ofl->ofl_lml, ERR_FATAL, 360 MSG_INTL(MSG_ARG_DYNINCOMP), 361 MSG_ORIG(MSG_ARG_CF)); 362 } 363 ofl->ofl_flags |= FLG_OF_FATAL; 364 } 365 366 } else if (!rflag) { 367 /* 368 * Shared library. 369 */ 370 ofl->ofl_flags |= FLG_OF_SHAROBJ; 371 372 /* 373 * By default we print relocation errors for 374 * executables but *not* for a shared object 375 */ 376 if (ztflag == 0) 377 ofl->ofl_flags1 |= FLG_OF1_TEXTOFF; 378 379 if (Bsflag) { 380 ofl->ofl_flags |= FLG_OF_SYMBOLIC; 381 ofl->ofl_dtflags |= DF_SYMBOLIC; 382 } 383 384 if (Btflag) { 385 ofl->ofl_dtflags_1 |= 386 (DF_1_TRANS | DF_1_DIRECT); 387 ofl->ofl_flags |= FLG_OF_SYMINFO; 388 } 389 390 } else { 391 /* 392 * Dynamic relocatable object 393 */ 394 /* 395 * By default we print relocation errors for 396 * executables but *not* for a shared object 397 */ 398 if (ztflag == 0) 399 ofl->ofl_flags1 |= FLG_OF1_TEXTOFF; 400 } 401 } else { 402 ofl->ofl_flags |= FLG_OF_STATIC; 403 404 if (bflag) { 405 eprintf(ofl->ofl_lml, ERR_FATAL, 406 MSG_INTL(MSG_ARG_INCOMP), MSG_ORIG(MSG_ARG_DN), 407 MSG_ORIG(MSG_ARG_B)); 408 ofl->ofl_flags |= FLG_OF_FATAL; 409 } 410 if (ofl->ofl_soname) { 411 eprintf(ofl->ofl_lml, ERR_FATAL, 412 MSG_INTL(MSG_ARG_INCOMP), MSG_ORIG(MSG_ARG_DN), 413 MSG_ORIG(MSG_ARG_H)); 414 ofl->ofl_flags |= FLG_OF_FATAL; 415 } 416 if (ofl->ofl_depaudit) { 417 eprintf(ofl->ofl_lml, ERR_FATAL, 418 MSG_INTL(MSG_ARG_INCOMP), MSG_ORIG(MSG_ARG_DN), 419 MSG_ORIG(MSG_ARG_P)); 420 ofl->ofl_flags |= FLG_OF_FATAL; 421 } 422 if (ofl->ofl_audit) { 423 eprintf(ofl->ofl_lml, ERR_FATAL, 424 MSG_INTL(MSG_ARG_INCOMP), MSG_ORIG(MSG_ARG_DN), 425 MSG_ORIG(MSG_ARG_CP)); 426 ofl->ofl_flags |= FLG_OF_FATAL; 427 } 428 if (ofl->ofl_config) { 429 eprintf(ofl->ofl_lml, ERR_FATAL, 430 MSG_INTL(MSG_ARG_INCOMP), MSG_ORIG(MSG_ARG_DN), 431 MSG_ORIG(MSG_ARG_C)); 432 ofl->ofl_flags |= FLG_OF_FATAL; 433 } 434 if (ofl->ofl_filtees) { 435 if (ofl->ofl_flags & FLG_OF_AUX) { 436 eprintf(ofl->ofl_lml, ERR_FATAL, 437 MSG_INTL(MSG_ARG_INCOMP), 438 MSG_ORIG(MSG_ARG_DN), MSG_ORIG(MSG_ARG_F)); 439 } else { 440 eprintf(ofl->ofl_lml, ERR_FATAL, 441 MSG_INTL(MSG_ARG_INCOMP), 442 MSG_ORIG(MSG_ARG_DN), MSG_ORIG(MSG_ARG_CF)); 443 } 444 ofl->ofl_flags |= FLG_OF_FATAL; 445 } 446 if (ztflag) { 447 eprintf(ofl->ofl_lml, ERR_FATAL, 448 MSG_INTL(MSG_ARG_INCOMP), MSG_ORIG(MSG_ARG_DN), 449 MSG_ORIG(MSG_ARG_ZTEXTALL)); 450 ofl->ofl_flags |= FLG_OF_FATAL; 451 } 452 if (Gflag) { 453 eprintf(ofl->ofl_lml, ERR_FATAL, 454 MSG_INTL(MSG_ARG_INCOMP), MSG_ORIG(MSG_ARG_DN), 455 MSG_ORIG(MSG_ARG_CG)); 456 ofl->ofl_flags |= FLG_OF_FATAL; 457 } 458 if (aflag && rflag) { 459 eprintf(ofl->ofl_lml, ERR_FATAL, 460 MSG_INTL(MSG_ARG_INCOMP), MSG_ORIG(MSG_ARG_A), 461 MSG_ORIG(MSG_ARG_R)); 462 ofl->ofl_flags |= FLG_OF_FATAL; 463 } 464 465 if (rflag) { 466 /* 467 * We can only strip the symbol table and string table 468 * if no output relocations will refer to them 469 */ 470 if (sflag) { 471 eprintf(ofl->ofl_lml, ERR_WARNING, 472 MSG_INTL(MSG_ARG_STRIP)); 473 } 474 475 if (ztflag == 0) 476 ofl->ofl_flags1 |= FLG_OF1_TEXTOFF; 477 478 if (ofl->ofl_interp) { 479 eprintf(ofl->ofl_lml, ERR_FATAL, 480 MSG_INTL(MSG_ARG_INCOMP), 481 MSG_ORIG(MSG_ARG_R), MSG_ORIG(MSG_ARG_CI)); 482 ofl->ofl_flags |= FLG_OF_FATAL; 483 } 484 } else { 485 /* 486 * Static executable. 487 */ 488 ofl->ofl_flags |= FLG_OF_EXEC | FLG_OF_PROCRED; 489 490 if (zdflag != SET_FALSE) 491 ofl->ofl_flags |= FLG_OF_NOUNDEF; 492 } 493 } 494 495 /* 496 * If the user didn't supply an output file name supply a default. 497 */ 498 if (ofl->ofl_name == NULL) 499 ofl->ofl_name = MSG_ORIG(MSG_STR_AOUT); 500 501 /* 502 * We set the entrance criteria after all input argument processing as 503 * it is only at this point we're sure what the output image will be 504 * (static or dynamic). 505 */ 506 if (ld_ent_setup(ofl, M_SEGM_ALIGN) == S_ERROR) 507 return (S_ERROR); 508 509 /* 510 * Process any mapfiles after establishing the entrance criteria as 511 * the user may be redefining or adding sections/segments. 512 */ 513 if (ofl->ofl_maps.head) { 514 Listnode *lnp; 515 const char *name; 516 517 for (LIST_TRAVERSE(&ofl->ofl_maps, lnp, name)) 518 if (ld_map_parse(name, ofl) == S_ERROR) 519 return (S_ERROR); 520 521 if (ofl->ofl_flags & FLG_OF_SEGSORT) 522 if (ld_sort_seg_list(ofl) == S_ERROR) 523 return (S_ERROR); 524 } 525 526 /* 527 * If -zloadfltr is set, verify that filtering is in effect. Filters 528 * are either established from the command line, and affect the whole 529 * object, or are set on a per-symbol basis from a mapfile. 530 */ 531 if (zlflag) { 532 if ((ofl->ofl_filtees == 0) && (ofl->ofl_dtsfltrs == 0)) { 533 eprintf(ofl->ofl_lml, ERR_FATAL, 534 MSG_INTL(MSG_ARG_NOFLTR), 535 MSG_ORIG(MSG_ARG_ZLOADFLTR)); 536 ofl->ofl_flags |= FLG_OF_FATAL; 537 } 538 ofl->ofl_dtflags_1 |= DF_1_LOADFLTR; 539 } 540 541 /* 542 * Check that we have something to work with. This check is carried out 543 * after mapfile processing as its possible a mapfile is being used to 544 * define symbols, in which case it would be sufficient to build the 545 * output file purely from the mapfile. 546 */ 547 if ((ofl->ofl_objscnt == 0) && (ofl->ofl_soscnt == 0)) { 548 if (Vflag && (argc == 2)) 549 ofl->ofl_flags1 |= FLG_OF1_DONE; 550 else { 551 eprintf(ofl->ofl_lml, ERR_FATAL, 552 MSG_INTL(MSG_ARG_NOFILES)); 553 return (S_ERROR); 554 } 555 } 556 return (1); 557 } 558 559 /* 560 * Decompose the string pointed by optarg into argv[][] so that argv[][] can be 561 * used as an argument to getopt(). 562 * 563 * If the second argument 'error' is not 0, then this is called from the first 564 * pass. Else this is called from the second pass. 565 */ 566 static uintptr_t 567 createargv(Ofl_desc *ofl, int *error) 568 { 569 int argc = 0, idx = 0, ooptind; 570 uintptr_t ret; 571 char **argv, *p0; 572 573 /* 574 * The argument being examined is either: 575 * ld32= or 576 * ld64= 577 */ 578 #if defined(_LP64) 579 if (optarg[2] == '3') 580 return (0); 581 #else 582 if (optarg[2] == '6') 583 return (0); 584 #endif 585 586 p0 = &optarg[5]; 587 588 /* 589 * Count the number of arguments. 590 */ 591 while (*p0) { 592 /* 593 * Pointing at non-separator character. 594 */ 595 if (*p0 != ',') { 596 argc++; 597 while (*p0 && (*p0 != ',')) 598 p0++; 599 continue; 600 } 601 602 /* 603 * Pointing at a separator character. 604 */ 605 if (*p0 == ',') { 606 while (*p0 == ',') 607 p0++; 608 continue; 609 } 610 } 611 612 if (argc == 0) 613 return (0); 614 615 /* 616 * Allocate argument vector. 617 */ 618 if ((p0 = (char *)strdup(&optarg[5])) == 0) 619 return (S_ERROR); 620 if ((argv = libld_malloc((sizeof (char *)) * (argc + 1))) == 0) 621 return (S_ERROR); 622 623 while (*p0) { 624 char *p; 625 626 /* 627 * Pointing at the beginning of non-separator character string. 628 */ 629 if (*p0 != ',') { 630 p = p0; 631 while (*p0 && (*p0 != ',')) 632 p0++; 633 argv[idx++] = p; 634 if (*p0) { 635 *p0 = '\0'; 636 p0++; 637 } 638 continue; 639 } 640 641 /* 642 * Pointing at the beginining of separator character string. 643 */ 644 if (*p0 == ',') { 645 while (*p0 == ',') 646 p0++; 647 continue; 648 } 649 } 650 argv[idx] = 0; 651 ooptind = optind; 652 optind = 0; 653 654 /* 655 * Dispatch to pass1 or pass2 656 */ 657 if (error) 658 ret = process_flags_com(ofl, argc, argv, error); 659 else 660 ret = process_files_com(ofl, argc, argv); 661 662 optind = ooptind; 663 664 if (ret == S_ERROR) 665 return (S_ERROR); 666 667 return (argc); 668 } 669 670 /* 671 * Parsing options pass1 for process_flags(). 672 */ 673 static uintptr_t 674 parseopt_pass1(Ofl_desc *ofl, int argc, char **argv, int *error) 675 { 676 int c; 677 678 while ((c = getopt(argc, argv, MSG_ORIG(MSG_STR_OPTIONS))) != -1) { 679 DBG_CALL(Dbg_args_flags(ofl->ofl_lml, (optind - 1), c)); 680 681 switch (c) { 682 case '6': /* Processed by ld to */ 683 /* 684 * -64 is processed by ld to determine the output class. 685 * Here we sanity check the option incase some other 686 * -6* option is mistakenly passed to us. 687 */ 688 if (optarg[0] != '4') { 689 eprintf(ofl->ofl_lml, ERR_FATAL, 690 MSG_INTL(MSG_ARG_ILLEGAL), 691 MSG_ORIG(MSG_ARG_6), optarg); 692 ofl->ofl_flags |= FLG_OF_FATAL; 693 } 694 continue; 695 696 case 'a': 697 aflag = TRUE; 698 break; 699 700 case 'b': 701 bflag = TRUE; 702 break; 703 704 case 'c': 705 if (ofl->ofl_config) 706 eprintf(ofl->ofl_lml, ERR_WARNING, 707 MSG_INTL(MSG_ARG_MTONCE), 708 MSG_ORIG(MSG_ARG_C)); 709 else 710 ofl->ofl_config = optarg; 711 break; 712 713 case 'C': 714 demangle_flag = 1; 715 break; 716 717 case 'd': 718 if ((optarg[0] == 'n') && (optarg[1] == '\0')) { 719 if (dflag != SET_UNKNOWN) 720 eprintf(ofl->ofl_lml, ERR_WARNING, 721 MSG_INTL(MSG_ARG_MTONCE), 722 MSG_ORIG(MSG_ARG_D)); 723 else 724 dflag = SET_FALSE; 725 } else if ((optarg[0] == 'y') && (optarg[1] == '\0')) { 726 if (dflag != SET_UNKNOWN) 727 eprintf(ofl->ofl_lml, ERR_WARNING, 728 MSG_INTL(MSG_ARG_MTONCE), 729 MSG_ORIG(MSG_ARG_D)); 730 else 731 dflag = SET_TRUE; 732 } else { 733 eprintf(ofl->ofl_lml, ERR_FATAL, 734 MSG_INTL(MSG_ARG_ILLEGAL), 735 MSG_ORIG(MSG_ARG_D), optarg); 736 ofl->ofl_flags |= FLG_OF_FATAL; 737 } 738 break; 739 740 case 'e': 741 if (ofl->ofl_entry) 742 eprintf(ofl->ofl_lml, ERR_WARNING, 743 MSG_INTL(MSG_ARG_MTONCE), 744 MSG_ORIG(MSG_ARG_E)); 745 else 746 ofl->ofl_entry = (void *)optarg; 747 break; 748 749 case 'f': 750 if (ofl->ofl_filtees && 751 (!(ofl->ofl_flags & FLG_OF_AUX))) { 752 eprintf(ofl->ofl_lml, ERR_FATAL, 753 MSG_INTL(MSG_ARG_INCOMP), 754 MSG_ORIG(MSG_ARG_F), MSG_ORIG(MSG_ARG_CF)); 755 ofl->ofl_flags |= FLG_OF_FATAL; 756 } else { 757 if ((ofl->ofl_filtees = 758 add_string(ofl->ofl_filtees, optarg)) == 759 (const char *)S_ERROR) 760 return (S_ERROR); 761 ofl->ofl_flags |= FLG_OF_AUX; 762 } 763 break; 764 765 case 'F': 766 if (ofl->ofl_filtees && 767 (ofl->ofl_flags & FLG_OF_AUX)) { 768 eprintf(ofl->ofl_lml, ERR_FATAL, 769 MSG_INTL(MSG_ARG_INCOMP), 770 MSG_ORIG(MSG_ARG_CF), MSG_ORIG(MSG_ARG_F)); 771 ofl->ofl_flags |= FLG_OF_FATAL; 772 } else { 773 if ((ofl->ofl_filtees = 774 add_string(ofl->ofl_filtees, optarg)) == 775 (const char *)S_ERROR) 776 return (S_ERROR); 777 } 778 break; 779 780 case 'h': 781 if (ofl->ofl_soname) 782 eprintf(ofl->ofl_lml, ERR_WARNING, 783 MSG_INTL(MSG_ARG_MTONCE), 784 MSG_ORIG(MSG_ARG_H)); 785 else 786 ofl->ofl_soname = (const char *)optarg; 787 break; 788 789 case 'i': 790 ofl->ofl_flags |= FLG_OF_IGNENV; 791 break; 792 793 case 'I': 794 if (ofl->ofl_interp) 795 eprintf(ofl->ofl_lml, ERR_WARNING, 796 MSG_INTL(MSG_ARG_MTONCE), 797 MSG_ORIG(MSG_ARG_CI)); 798 else 799 ofl->ofl_interp = (const char *)optarg; 800 break; 801 802 case 'l': 803 /* 804 * For now, count any library as a shared object. This 805 * is used to size the internal symbol cache. This 806 * value is recalculated later on actual file processing 807 * to get an accurate shared object count. 808 */ 809 ofl->ofl_soscnt++; 810 break; 811 812 case 'm': 813 ofl->ofl_flags |= FLG_OF_GENMAP; 814 break; 815 816 case 'o': 817 if (ofl->ofl_name) 818 eprintf(ofl->ofl_lml, ERR_WARNING, 819 MSG_INTL(MSG_ARG_MTONCE), 820 MSG_ORIG(MSG_ARG_O)); 821 else 822 ofl->ofl_name = (const char *)optarg; 823 break; 824 825 case 'p': 826 /* 827 * Multiple instances of this option may occur. Each 828 * additional instance is effectively concatenated to 829 * the previous separated by a colon. 830 */ 831 if (*optarg != '\0') { 832 if ((ofl->ofl_audit = 833 add_string(ofl->ofl_audit, 834 optarg)) == (const char *)S_ERROR) 835 return (S_ERROR); 836 } 837 break; 838 839 case 'P': 840 /* 841 * Multiple instances of this option may occur. Each 842 * additional instance is effectively concatenated to 843 * the previous separated by a colon. 844 */ 845 if (*optarg != '\0') { 846 if ((ofl->ofl_depaudit = 847 add_string(ofl->ofl_depaudit, 848 optarg)) == (const char *)S_ERROR) 849 return (S_ERROR); 850 } 851 break; 852 853 case 'r': 854 rflag = TRUE; 855 break; 856 857 case 'R': 858 /* 859 * Multiple instances of this option may occur. Each 860 * additional instance is effectively concatenated to 861 * the previous separated by a colon. 862 */ 863 if (*optarg != '\0') { 864 if ((ofl->ofl_rpath = 865 add_string(ofl->ofl_rpath, 866 optarg)) == (const char *)S_ERROR) 867 return (S_ERROR); 868 } 869 break; 870 871 case 's': 872 sflag = TRUE; 873 break; 874 875 case 't': 876 ofl->ofl_flags |= FLG_OF_NOWARN; 877 break; 878 879 case 'u': 880 break; 881 882 case 'z': 883 /* 884 * For specific help, print our usage message and exit 885 * immediately to insure a 0 return code. 886 */ 887 if (strncmp(optarg, MSG_ORIG(MSG_ARG_HELP), 888 MSG_ARG_HELP_SIZE) == 0) { 889 usage_mesg(1); 890 exit(0); 891 } 892 893 /* 894 * For some options set a flag - further consistancy 895 * checks will be carried out in check_flags(). 896 */ 897 if ((strncmp(optarg, MSG_ORIG(MSG_ARG_LD32), 898 MSG_ARG_LD32_SIZE) == 0) || 899 (strncmp(optarg, MSG_ORIG(MSG_ARG_LD64), 900 MSG_ARG_LD64_SIZE) == 0)) { 901 if (createargv(ofl, error) == S_ERROR) 902 return (S_ERROR); 903 904 } else if ( 905 strcmp(optarg, MSG_ORIG(MSG_ARG_DEFS)) == 0) { 906 if (zdflag != SET_UNKNOWN) 907 eprintf(ofl->ofl_lml, ERR_WARNING, 908 MSG_INTL(MSG_ARG_MTONCE), 909 MSG_ORIG(MSG_ARG_ZDEFNODEF)); 910 else 911 zdflag = SET_TRUE; 912 } else if (strcmp(optarg, 913 MSG_ORIG(MSG_ARG_NODEFS)) == 0) { 914 if (zdflag != SET_UNKNOWN) 915 eprintf(ofl->ofl_lml, ERR_WARNING, 916 MSG_INTL(MSG_ARG_MTONCE), 917 MSG_ORIG(MSG_ARG_ZDEFNODEF)); 918 else 919 zdflag = SET_FALSE; 920 } else if (strcmp(optarg, 921 MSG_ORIG(MSG_ARG_TEXT)) == 0) { 922 if (ztflag && 923 (ztflag != MSG_ORIG(MSG_ARG_ZTEXT))) { 924 eprintf(ofl->ofl_lml, ERR_FATAL, 925 MSG_INTL(MSG_ARG_INCOMP), 926 MSG_ORIG(MSG_ARG_ZTEXT), 927 ztflag); 928 ofl->ofl_flags |= FLG_OF_FATAL; 929 } 930 ztflag = MSG_ORIG(MSG_ARG_ZTEXT); 931 } else if (strcmp(optarg, 932 MSG_ORIG(MSG_ARG_TEXTOFF)) == 0) { 933 if (ztflag && 934 (ztflag != MSG_ORIG(MSG_ARG_ZTEXTOFF))) { 935 eprintf(ofl->ofl_lml, ERR_FATAL, 936 MSG_INTL(MSG_ARG_INCOMP), 937 MSG_ORIG(MSG_ARG_ZTEXTOFF), 938 ztflag); 939 ofl->ofl_flags |= FLG_OF_FATAL; 940 } 941 ztflag = MSG_ORIG(MSG_ARG_ZTEXTOFF); 942 } else if (strcmp(optarg, 943 MSG_ORIG(MSG_ARG_TEXTWARN)) == 0) { 944 if (ztflag && 945 (ztflag != MSG_ORIG(MSG_ARG_ZTEXTWARN))) { 946 eprintf(ofl->ofl_lml, ERR_FATAL, 947 MSG_INTL(MSG_ARG_INCOMP), 948 MSG_ORIG(MSG_ARG_ZTEXTWARN), 949 ztflag); 950 ofl->ofl_flags |= FLG_OF_FATAL; 951 } 952 ztflag = MSG_ORIG(MSG_ARG_ZTEXTWARN); 953 954 /* 955 * For other options simply set the ofl flags directly. 956 */ 957 } else if (strcmp(optarg, 958 MSG_ORIG(MSG_ARG_RESCAN)) == 0) { 959 ofl->ofl_flags1 |= FLG_OF1_RESCAN; 960 } else if (strcmp(optarg, 961 MSG_ORIG(MSG_ARG_ABSEXEC)) == 0) { 962 ofl->ofl_flags1 |= FLG_OF1_ABSEXEC; 963 } else if (strcmp(optarg, 964 MSG_ORIG(MSG_ARG_LOADFLTR)) == 0) { 965 zlflag = TRUE; 966 } else if (strcmp(optarg, 967 MSG_ORIG(MSG_ARG_NORELOC)) == 0) { 968 ofl->ofl_dtflags_1 |= DF_1_NORELOC; 969 } else if (strcmp(optarg, 970 MSG_ORIG(MSG_ARG_NOVERSION)) == 0) { 971 ofl->ofl_flags |= FLG_OF_NOVERSEC; 972 } else if (strcmp(optarg, 973 MSG_ORIG(MSG_ARG_MULDEFS)) == 0) { 974 ofl->ofl_flags |= FLG_OF_MULDEFS; 975 } else if (strcmp(optarg, 976 MSG_ORIG(MSG_ARG_REDLOCSYM)) == 0) { 977 ofl->ofl_flags1 |= FLG_OF1_REDLSYM; 978 } else if (strcmp(optarg, 979 MSG_ORIG(MSG_ARG_INITFIRST)) == 0) { 980 ofl->ofl_dtflags_1 |= DF_1_INITFIRST; 981 } else if (strcmp(optarg, 982 MSG_ORIG(MSG_ARG_NODELETE)) == 0) { 983 ofl->ofl_dtflags_1 |= DF_1_NODELETE; 984 } else if (strcmp(optarg, 985 MSG_ORIG(MSG_ARG_NOPARTIAL)) == 0) { 986 ofl->ofl_flags1 |= FLG_OF1_NOPARTI; 987 } else if (strcmp(optarg, 988 MSG_ORIG(MSG_ARG_NOOPEN)) == 0) { 989 ofl->ofl_dtflags_1 |= DF_1_NOOPEN; 990 } else if (strcmp(optarg, 991 MSG_ORIG(MSG_ARG_NOW)) == 0) { 992 ofl->ofl_dtflags_1 |= DF_1_NOW; 993 ofl->ofl_dtflags |= DF_BIND_NOW; 994 } else if (strcmp(optarg, 995 MSG_ORIG(MSG_ARG_ORIGIN)) == 0) { 996 ofl->ofl_dtflags_1 |= DF_1_ORIGIN; 997 ofl->ofl_dtflags |= DF_ORIGIN; 998 } else if (strcmp(optarg, 999 MSG_ORIG(MSG_ARG_NODEFAULTLIB)) == 0) { 1000 ofl->ofl_dtflags_1 |= DF_1_NODEFLIB; 1001 } else if (strcmp(optarg, 1002 MSG_ORIG(MSG_ARG_NODUMP)) == 0) { 1003 ofl->ofl_dtflags_1 |= DF_1_NODUMP; 1004 } else if (strcmp(optarg, 1005 MSG_ORIG(MSG_ARG_ENDFILTEE)) == 0) { 1006 ofl->ofl_dtflags_1 |= DF_1_ENDFILTEE; 1007 } else if (strcmp(optarg, 1008 MSG_ORIG(MSG_ARG_VERBOSE)) == 0) { 1009 ofl->ofl_flags |= FLG_OF_VERBOSE; 1010 } else if (strcmp(optarg, 1011 MSG_ORIG(MSG_ARG_COMBRELOC)) == 0) { 1012 ofl->ofl_flags1 |= FLG_OF1_RELCNT; 1013 } else if (strcmp(optarg, 1014 MSG_ORIG(MSG_ARG_NOCOMPSTRTAB)) == 0) { 1015 ofl->ofl_flags1 |= FLG_OF1_NCSTTAB; 1016 } else if (strcmp(optarg, 1017 MSG_ORIG(MSG_ARG_INTERPOSE)) == 0) { 1018 zinflag = TRUE; 1019 1020 /* 1021 * The following options just need vaildation as they 1022 * are interpreted on the second pass through the 1023 * command line arguments. 1024 */ 1025 } else if ( 1026 strncmp(optarg, MSG_ORIG(MSG_ARG_INITARRAY), 1027 MSG_ARG_INITARRAY_SIZE) && 1028 strncmp(optarg, MSG_ORIG(MSG_ARG_FINIARRAY), 1029 MSG_ARG_FINIARRAY_SIZE) && 1030 strncmp(optarg, MSG_ORIG(MSG_ARG_PREINITARRAY), 1031 MSG_ARG_PREINITARRAY_SIZE) && 1032 strncmp(optarg, MSG_ORIG(MSG_ARG_RTLDINFO), 1033 MSG_ARG_RTLDINFO_SIZE) && 1034 strncmp(optarg, MSG_ORIG(MSG_ARG_DTRACE), 1035 MSG_ARG_DTRACE_SIZE) && 1036 strcmp(optarg, MSG_ORIG(MSG_ARG_ALLEXTRT)) && 1037 strcmp(optarg, MSG_ORIG(MSG_ARG_DFLEXTRT)) && 1038 strcmp(optarg, MSG_ORIG(MSG_ARG_DIRECT)) && 1039 strcmp(optarg, MSG_ORIG(MSG_ARG_NODIRECT)) && 1040 strcmp(optarg, MSG_ORIG(MSG_ARG_GROUPPERM)) && 1041 strcmp(optarg, MSG_ORIG(MSG_ARG_IGNORE)) && 1042 strcmp(optarg, MSG_ORIG(MSG_ARG_LAZYLOAD)) && 1043 strcmp(optarg, MSG_ORIG(MSG_ARG_NOGROUPPERM)) && 1044 strcmp(optarg, MSG_ORIG(MSG_ARG_NOLAZYLOAD)) && 1045 strcmp(optarg, MSG_ORIG(MSG_ARG_RECORD)) && 1046 strcmp(optarg, MSG_ORIG(MSG_ARG_WEAKEXT))) { 1047 eprintf(ofl->ofl_lml, ERR_FATAL, 1048 MSG_INTL(MSG_ARG_ILLEGAL), 1049 MSG_ORIG(MSG_ARG_Z), optarg); 1050 ofl->ofl_flags |= FLG_OF_FATAL; 1051 1052 } 1053 1054 break; 1055 1056 case 'D': 1057 /* 1058 * If we have not yet read any input files go ahead 1059 * and process any debugging options (this allows any 1060 * argument processing, entrance criteria and library 1061 * initialization to be displayed). Otherwise, if an 1062 * input file has been seen, skip interpretation until 1063 * process_files (this allows debugging to be turned 1064 * on and off around individual groups of files). 1065 */ 1066 if (ofl->ofl_objscnt == 0) { 1067 if (dbg_setup(optarg, dbg_desc, 1068 &ofl->ofl_name, 1) == S_ERROR) 1069 return (S_ERROR); 1070 } 1071 break; 1072 1073 case 'B': 1074 if (strcmp(optarg, MSG_ORIG(MSG_ARG_DIRECT)) == 0) { 1075 if (Bdflag == SET_FALSE) { 1076 eprintf(ofl->ofl_lml, ERR_FATAL, 1077 MSG_INTL(MSG_ARG_INCOMP), 1078 MSG_ORIG(MSG_ARG_BNODIRECT), 1079 MSG_ORIG(MSG_ARG_BDIRECT)); 1080 ofl->ofl_flags |= FLG_OF_FATAL; 1081 } else 1082 Bdflag = SET_TRUE; 1083 } else if (strcmp(optarg, 1084 MSG_ORIG(MSG_ARG_NODIRECT)) == 0) { 1085 if (Bdflag == SET_TRUE) { 1086 eprintf(ofl->ofl_lml, ERR_FATAL, 1087 MSG_INTL(MSG_ARG_INCOMP), 1088 MSG_ORIG(MSG_ARG_BDIRECT), 1089 MSG_ORIG(MSG_ARG_BNODIRECT)); 1090 ofl->ofl_flags |= FLG_OF_FATAL; 1091 } else 1092 Bdflag = SET_FALSE; 1093 } else if (strcmp(optarg, 1094 MSG_ORIG(MSG_STR_SYMBOLIC)) == 0) 1095 Bsflag = TRUE; 1096 else if (strcmp(optarg, MSG_ORIG(MSG_ARG_REDUCE)) == 0) 1097 ofl->ofl_flags |= FLG_OF_PROCRED; 1098 else if (strcmp(optarg, MSG_ORIG(MSG_STR_LOCAL)) == 0) 1099 Blflag = TRUE; 1100 else if (strcmp(optarg, 1101 MSG_ORIG(MSG_ARG_TRANSLATOR)) == 0) 1102 Btflag = TRUE; 1103 else if (strcmp(optarg, MSG_ORIG(MSG_ARG_GROUP)) == 0) 1104 Bgflag = TRUE; 1105 else if (strcmp(optarg, 1106 MSG_ORIG(MSG_STR_ELIMINATE)) == 0) 1107 Beflag = TRUE; 1108 else if (strcmp(optarg, MSG_ORIG(MSG_STR_LD_DYNAMIC)) && 1109 strcmp(optarg, MSG_ORIG(MSG_ARG_STATIC))) { 1110 eprintf(ofl->ofl_lml, ERR_FATAL, 1111 MSG_INTL(MSG_ARG_ILLEGAL), 1112 MSG_ORIG(MSG_ARG_CB), optarg); 1113 ofl->ofl_flags |= FLG_OF_FATAL; 1114 } 1115 break; 1116 1117 case 'G': 1118 Gflag = TRUE; 1119 break; 1120 1121 case 'L': 1122 break; 1123 1124 case 'M': 1125 if (list_appendc(&(ofl->ofl_maps), optarg) == 0) 1126 return (S_ERROR); 1127 break; 1128 1129 case 'N': 1130 break; 1131 1132 case 'Q': 1133 if ((optarg[0] == 'n') && (optarg[1] == '\0')) { 1134 if (Qflag != SET_UNKNOWN) 1135 eprintf(ofl->ofl_lml, ERR_WARNING, 1136 MSG_INTL(MSG_ARG_MTONCE), 1137 MSG_ORIG(MSG_ARG_CQ)); 1138 else 1139 Qflag = SET_FALSE; 1140 } else if ((optarg[0] == 'y') && (optarg[1] == '\0')) { 1141 if (Qflag != SET_UNKNOWN) 1142 eprintf(ofl->ofl_lml, ERR_WARNING, 1143 MSG_INTL(MSG_ARG_MTONCE), 1144 MSG_ORIG(MSG_ARG_CQ)); 1145 else 1146 Qflag = SET_TRUE; 1147 } else { 1148 eprintf(ofl->ofl_lml, ERR_FATAL, 1149 MSG_INTL(MSG_ARG_ILLEGAL), 1150 MSG_ORIG(MSG_ARG_CQ), optarg); 1151 ofl->ofl_flags |= FLG_OF_FATAL; 1152 } 1153 break; 1154 1155 case 'S': 1156 if (list_appendc(&lib_support, optarg) == 0) 1157 return (S_ERROR); 1158 break; 1159 1160 case 'V': 1161 if (!Vflag) 1162 (void) fprintf(stderr, MSG_ORIG(MSG_STR_STRNL), 1163 ofl->ofl_sgsid); 1164 Vflag = TRUE; 1165 break; 1166 1167 case 'Y': 1168 if (strncmp(optarg, MSG_ORIG(MSG_ARG_LCOM), 2) == 0) { 1169 if (Llibdir) 1170 eprintf(ofl->ofl_lml, ERR_WARNING, 1171 MSG_INTL(MSG_ARG_MTONCE), 1172 MSG_ORIG(MSG_ARG_CYL)); 1173 else 1174 Llibdir = optarg + 2; 1175 } else if (strncmp(optarg, 1176 MSG_ORIG(MSG_ARG_UCOM), 2) == 0) { 1177 if (Ulibdir) 1178 eprintf(ofl->ofl_lml, ERR_WARNING, 1179 MSG_INTL(MSG_ARG_MTONCE), 1180 MSG_ORIG(MSG_ARG_CYU)); 1181 else 1182 Ulibdir = optarg + 2; 1183 } else if (strncmp(optarg, 1184 MSG_ORIG(MSG_ARG_PCOM), 2) == 0) { 1185 if (Plibpath) 1186 eprintf(ofl->ofl_lml, ERR_WARNING, 1187 MSG_INTL(MSG_ARG_MTONCE), 1188 MSG_ORIG(MSG_ARG_CYP)); 1189 else 1190 Plibpath = optarg + 2; 1191 } else { 1192 eprintf(ofl->ofl_lml, ERR_FATAL, 1193 MSG_INTL(MSG_ARG_ILLEGAL), 1194 MSG_ORIG(MSG_ARG_CY), optarg); 1195 ofl->ofl_flags |= FLG_OF_FATAL; 1196 } 1197 break; 1198 1199 case '?': 1200 (*error)++; 1201 break; 1202 1203 default: 1204 break; 1205 } 1206 } 1207 return (1); 1208 } 1209 1210 /* 1211 * Parsing options pass2 for 1212 */ 1213 static uintptr_t 1214 parseopt_pass2(Ofl_desc *ofl, int argc, char **argv) 1215 { 1216 int c; 1217 1218 while ((c = getopt(argc, argv, MSG_ORIG(MSG_STR_OPTIONS))) != -1) { 1219 Ifl_desc *ifl; 1220 Sym_desc *sdp; 1221 1222 DBG_CALL(Dbg_args_flags(ofl->ofl_lml, (optind - 1), c)); 1223 switch (c) { 1224 case 'l': 1225 if (ld_find_library(optarg, ofl) == S_ERROR) 1226 return (S_ERROR); 1227 break; 1228 case 'B': 1229 if (strcmp(optarg, 1230 MSG_ORIG(MSG_STR_LD_DYNAMIC)) == 0) { 1231 if (ofl->ofl_flags & FLG_OF_DYNAMIC) 1232 ofl->ofl_flags |= 1233 FLG_OF_DYNLIBS; 1234 else { 1235 eprintf(ofl->ofl_lml, ERR_FATAL, 1236 MSG_INTL(MSG_ARG_INCOMP), 1237 MSG_ORIG(MSG_ARG_DN), 1238 MSG_ORIG(MSG_ARG_BDYNAMIC)); 1239 ofl->ofl_flags |= FLG_OF_FATAL; 1240 } 1241 } else if (strcmp(optarg, 1242 MSG_ORIG(MSG_ARG_STATIC)) == 0) 1243 ofl->ofl_flags &= ~FLG_OF_DYNLIBS; 1244 break; 1245 case 'L': 1246 if (ld_add_libdir(ofl, optarg) == S_ERROR) 1247 return (S_ERROR); 1248 break; 1249 case 'N': 1250 /* 1251 * Record DT_NEEDED string 1252 */ 1253 if (!(ofl->ofl_flags & FLG_OF_DYNAMIC)) { 1254 eprintf(ofl->ofl_lml, ERR_FATAL, 1255 MSG_INTL(MSG_ARG_INCOMP), 1256 MSG_ORIG(MSG_ARG_DN), 1257 MSG_ORIG(MSG_ARG_CN)); 1258 ofl->ofl_flags |= FLG_OF_FATAL; 1259 } 1260 if (((ifl = 1261 libld_calloc(1, sizeof (Ifl_desc))) == 0) || 1262 (list_appendc(&ofl->ofl_sos, ifl) == 0)) 1263 return (S_ERROR); 1264 1265 ifl->ifl_name = MSG_INTL(MSG_STR_COMMAND); 1266 ifl->ifl_soname = optarg; 1267 ifl->ifl_flags = (FLG_IF_NEEDSTR | 1268 FLG_IF_FILEREF | FLG_IF_DEPREQD); 1269 1270 break; 1271 case 'D': 1272 (void) dbg_setup(optarg, dbg_desc, 1273 &ofl->ofl_name, 2); 1274 break; 1275 case 'u': 1276 if (ld_sym_add_u(optarg, ofl) == 1277 (Sym_desc *)S_ERROR) 1278 return (S_ERROR); 1279 break; 1280 case 'z': 1281 if ((strncmp(optarg, MSG_ORIG(MSG_ARG_LD32), 1282 MSG_ARG_LD32_SIZE) == 0) || 1283 (strncmp(optarg, MSG_ORIG(MSG_ARG_LD64), 1284 MSG_ARG_LD64_SIZE) == 0)) { 1285 if (createargv(ofl, 0) == S_ERROR) 1286 return (S_ERROR); 1287 } else if (strcmp(optarg, 1288 MSG_ORIG(MSG_ARG_ALLEXTRT)) == 0) { 1289 ofl->ofl_flags1 |= FLG_OF1_ALLEXRT; 1290 ofl->ofl_flags1 &= ~FLG_OF1_WEAKEXT; 1291 } else if (strcmp(optarg, 1292 MSG_ORIG(MSG_ARG_WEAKEXT)) == 0) { 1293 ofl->ofl_flags1 |= FLG_OF1_WEAKEXT; 1294 ofl->ofl_flags1 &= ~FLG_OF1_ALLEXRT; 1295 } else if (strcmp(optarg, 1296 MSG_ORIG(MSG_ARG_DFLEXTRT)) == 0) { 1297 ofl->ofl_flags1 &= 1298 ~(FLG_OF1_ALLEXRT | FLG_OF1_WEAKEXT); 1299 } else if (strcmp(optarg, 1300 MSG_ORIG(MSG_ARG_DIRECT)) == 0) { 1301 ofl->ofl_flags1 |= FLG_OF1_ZDIRECT; 1302 } else if (strcmp(optarg, 1303 MSG_ORIG(MSG_ARG_NODIRECT)) == 0) { 1304 ofl->ofl_flags1 &= ~FLG_OF1_ZDIRECT; 1305 ofl->ofl_flags1 |= FLG_OF1_NDIRECT; 1306 } else if (strcmp(optarg, 1307 MSG_ORIG(MSG_ARG_IGNORE)) == 0) { 1308 ofl->ofl_flags1 |= 1309 (FLG_OF1_IGNORE | FLG_OF1_IGNPRC); 1310 } else if (strcmp(optarg, 1311 MSG_ORIG(MSG_ARG_RECORD)) == 0) { 1312 ofl->ofl_flags1 &= ~FLG_OF1_IGNORE; 1313 } else if (strcmp(optarg, 1314 MSG_ORIG(MSG_ARG_LAZYLOAD)) == 0) { 1315 ofl->ofl_flags1 |= FLG_OF1_LAZYLD; 1316 } else if (strcmp(optarg, 1317 MSG_ORIG(MSG_ARG_NOLAZYLOAD)) == 0) { 1318 ofl->ofl_flags1 &= ~ FLG_OF1_LAZYLD; 1319 } else if (strcmp(optarg, 1320 MSG_ORIG(MSG_ARG_GROUPPERM)) == 0) { 1321 ofl->ofl_flags1 |= FLG_OF1_GRPPRM; 1322 } else if (strcmp(optarg, 1323 MSG_ORIG(MSG_ARG_NOGROUPPERM)) == 0) { 1324 ofl->ofl_flags1 &= ~FLG_OF1_GRPPRM; 1325 } else if (strncmp(optarg, 1326 MSG_ORIG(MSG_ARG_INITARRAY), 1327 MSG_ARG_INITARRAY_SIZE) == 0) { 1328 if (((sdp = ld_sym_add_u(optarg + 1329 MSG_ARG_INITARRAY_SIZE, ofl)) == 1330 (Sym_desc *)S_ERROR) || 1331 (list_appendc(&ofl->ofl_initarray, 1332 sdp) == 0)) 1333 return (S_ERROR); 1334 } else if (strncmp(optarg, 1335 MSG_ORIG(MSG_ARG_FINIARRAY), 1336 MSG_ARG_FINIARRAY_SIZE) == 0) { 1337 if (((sdp = ld_sym_add_u(optarg + 1338 MSG_ARG_FINIARRAY_SIZE, ofl)) == 1339 (Sym_desc *)S_ERROR) || 1340 (list_appendc(&ofl->ofl_finiarray, 1341 sdp) == 0)) 1342 return (S_ERROR); 1343 } else if (strncmp(optarg, 1344 MSG_ORIG(MSG_ARG_PREINITARRAY), 1345 MSG_ARG_PREINITARRAY_SIZE) == 0) { 1346 if (((sdp = ld_sym_add_u(optarg + 1347 MSG_ARG_PREINITARRAY_SIZE, ofl)) == 1348 (Sym_desc *)S_ERROR) || 1349 (list_appendc(&ofl->ofl_preiarray, 1350 sdp) == 0)) 1351 return (S_ERROR); 1352 } else if (strncmp(optarg, 1353 MSG_ORIG(MSG_ARG_RTLDINFO), 1354 MSG_ARG_RTLDINFO_SIZE) == 0) { 1355 if (((sdp = ld_sym_add_u(optarg + 1356 MSG_ARG_RTLDINFO_SIZE, ofl)) == 1357 (Sym_desc *)S_ERROR) || 1358 (list_appendc(&ofl->ofl_rtldinfo, 1359 sdp) == 0)) 1360 return (S_ERROR); 1361 } else if (strncmp(optarg, 1362 MSG_ORIG(MSG_ARG_DTRACE), 1363 MSG_ARG_DTRACE_SIZE) == 0) { 1364 if ((sdp = ld_sym_add_u(optarg + 1365 MSG_ARG_DTRACE_SIZE, ofl)) == 1366 (Sym_desc *)S_ERROR) 1367 return (S_ERROR); 1368 ofl->ofl_dtracesym = sdp; 1369 } 1370 default: 1371 break; 1372 } 1373 } 1374 return (1); 1375 } 1376 1377 /* 1378 * 1379 * Pass 1 -- process_flags: collects all options and sets flags 1380 */ 1381 static uintptr_t 1382 process_flags_com(Ofl_desc *ofl, int argc, char **argv, int *e) 1383 { 1384 for (; optind < argc; optind++) { 1385 /* 1386 * If we detect some more options return to getopt(). 1387 * Checking argv[optind][1] against null prevents a forever 1388 * loop if an unadorned `-' argument is passed to us. 1389 */ 1390 while ((optind < argc) && (argv[optind][0] == '-')) { 1391 if (argv[optind][1] != '\0') { 1392 if (parseopt_pass1(ofl, argc, argv, e) == 1393 S_ERROR) 1394 return (S_ERROR); 1395 } else if (++optind < argc) 1396 continue; 1397 } 1398 if (optind >= argc) 1399 break; 1400 ofl->ofl_objscnt++; 1401 } 1402 return (1); 1403 } 1404 1405 uintptr_t 1406 ld_process_flags(Ofl_desc *ofl, int argc, char **argv) 1407 { 1408 int error = 0; /* Collect all argument errors before exit */ 1409 1410 if (argc < 2) { 1411 usage_mesg(FALSE); 1412 return (S_ERROR); 1413 } 1414 1415 /* 1416 * Option handling 1417 */ 1418 if (process_flags_com(ofl, argc, argv, &error) == S_ERROR) 1419 return (S_ERROR); 1420 1421 /* 1422 * Having parsed everything, did we have any errors. 1423 */ 1424 if (error) { 1425 usage_mesg(TRUE); 1426 return (S_ERROR); 1427 } 1428 1429 return (check_flags(ofl, argc)); 1430 } 1431 1432 /* 1433 * Pass 2 -- process_files: skips the flags collected in pass 1 and processes 1434 * files. 1435 */ 1436 static uintptr_t 1437 process_files_com(Ofl_desc *ofl, int argc, char **argv) 1438 { 1439 for (; optind < argc; optind++) { 1440 int fd; 1441 Ifl_desc *ifl; 1442 Rej_desc rej = { 0 }; 1443 1444 /* 1445 * If we detect some more options return to getopt(). 1446 * Checking argv[optind][1] against null prevents a forever 1447 * loop if an unadorned `-' argument is passed to us. 1448 */ 1449 while ((optind < argc) && (argv[optind][0] == '-')) { 1450 if (argv[optind][1] != '\0') { 1451 if (parseopt_pass2(ofl, argc, argv) == S_ERROR) 1452 return (S_ERROR); 1453 } else if (++optind < argc) 1454 continue; 1455 } 1456 if (optind >= argc) 1457 break; 1458 1459 if ((fd = open(argv[optind], O_RDONLY)) == -1) { 1460 int err = errno; 1461 1462 eprintf(ofl->ofl_lml, ERR_FATAL, 1463 MSG_INTL(MSG_SYS_OPEN), argv[optind], 1464 strerror(err)); 1465 ofl->ofl_flags |= FLG_OF_FATAL; 1466 continue; 1467 } 1468 1469 DBG_CALL(Dbg_args_files(ofl->ofl_lml, optind, argv[optind])); 1470 1471 ifl = ld_process_open(argv[optind], 0, fd, ofl, 1472 (FLG_IF_CMDLINE | FLG_IF_NEEDED), &rej); 1473 (void) close(fd); 1474 if (ifl == (Ifl_desc *)S_ERROR) 1475 return (S_ERROR); 1476 1477 /* 1478 * Check for mismatched input. 1479 */ 1480 if (rej.rej_type) { 1481 eprintf(ofl->ofl_lml, ERR_FATAL, 1482 MSG_INTL(reject[rej.rej_type]), 1483 rej.rej_name ? rej.rej_name : 1484 MSG_INTL(MSG_STR_UNKNOWN), conv_reject_desc(&rej)); 1485 ofl->ofl_flags |= FLG_OF_FATAL; 1486 return (1); 1487 } 1488 } 1489 return (1); 1490 } 1491 1492 uintptr_t 1493 ld_process_files(Ofl_desc *ofl, int argc, char **argv) 1494 { 1495 optind = 1; /* reinitialize optind */ 1496 1497 /* 1498 * Process command line files (taking into account any applicable 1499 * preseeding flags). Return if any fatal errors have occurred. 1500 */ 1501 if (process_files_com(ofl, argc, argv) == S_ERROR) 1502 return (S_ERROR); 1503 if (ofl->ofl_flags & FLG_OF_FATAL) 1504 return (1); 1505 1506 /* 1507 * Now that all command line files have been processed see if there are 1508 * any additional `needed' shared object dependencies. 1509 */ 1510 if (ofl->ofl_soneed.head) 1511 if (ld_finish_libs(ofl) == S_ERROR) 1512 return (S_ERROR); 1513 1514 /* 1515 * If rescanning archives is enabled, do so now to determine whether 1516 * there might still be members extracted to satisfy references from any 1517 * explicit objects. Continue until no new objects are extracted. Note 1518 * that this pass is carried out *after* processing any implicit objects 1519 * (above) as they may already have resolved any undefined references 1520 * from any explicit dependencies. 1521 */ 1522 if (ofl->ofl_flags1 & FLG_OF1_RESCAN) 1523 ofl->ofl_flags1 |= FLG_OF1_EXTRACT; 1524 while ((ofl->ofl_flags1 & (FLG_OF1_RESCAN | FLG_OF1_EXTRACT)) == 1525 (FLG_OF1_RESCAN | FLG_OF1_EXTRACT)) { 1526 Listnode *lnp; 1527 Ar_desc *adp; 1528 1529 ofl->ofl_flags1 &= ~FLG_OF1_EXTRACT; 1530 1531 DBG_CALL(Dbg_file_ar_rescan(ofl->ofl_lml)); 1532 1533 for (LIST_TRAVERSE(&ofl->ofl_ars, lnp, adp)) { 1534 const char *name = adp->ad_name; 1535 uintptr_t error; 1536 int fd; 1537 1538 /* 1539 * If this archive was processed with -z allextract, 1540 * then all members have already been extracted. 1541 */ 1542 if (adp->ad_elf == (Elf *)NULL) 1543 continue; 1544 1545 /* 1546 * Reopen the file. 1547 */ 1548 if ((fd = open(name, O_RDONLY)) == -1) { 1549 int err = errno; 1550 1551 eprintf(ofl->ofl_lml, ERR_FATAL, 1552 MSG_INTL(MSG_SYS_OPEN), name, 1553 strerror(err)); 1554 ofl->ofl_flags |= FLG_OF_FATAL; 1555 return (S_ERROR); 1556 } 1557 1558 /* 1559 * Reestablish any archive specific command line flags. 1560 */ 1561 ofl->ofl_flags1 &= ~MSK_OF1_ARCHIVE; 1562 ofl->ofl_flags1 |= (adp->ad_flags & MSK_OF1_ARCHIVE); 1563 1564 error = ld_process_archive(adp->ad_name, fd, adp, ofl); 1565 (void) close(fd); 1566 1567 if (error == S_ERROR) 1568 return (S_ERROR); 1569 if (ofl->ofl_flags & FLG_OF_FATAL) 1570 return (1); 1571 } 1572 } 1573 1574 /* 1575 * If debugging, provide statistics on each archives extraction, or flag 1576 * any archive that has provided no members. Note that this could be a 1577 * nice place to free up much of the archive infrastructure, as we've 1578 * extracted any members we need. However, as we presently don't free 1579 * anything under ld(1) there's not much point in proceeding further. 1580 */ 1581 DBG_CALL(Dbg_statistics_ar(ofl)); 1582 1583 /* 1584 * If any version definitions have been established, either via input 1585 * from a mapfile or from the input relocatable objects, make sure any 1586 * version dependencies are satisfied, and version symbols created. 1587 */ 1588 if (ofl->ofl_verdesc.head) 1589 if (ld_vers_check_defs(ofl) == S_ERROR) 1590 return (S_ERROR); 1591 1592 /* 1593 * If segment ordering was specified (using mapfile) verify things 1594 * are ok. 1595 */ 1596 if (ofl->ofl_flags & FLG_OF_SEGORDER) 1597 ld_ent_check(ofl); 1598 1599 return (1); 1600 } 1601