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 (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved. 27 */ 28 /* 29 * Copyright (c) 2012, Joyent, Inc. All rights reserved. 30 */ 31 32 /* 33 * Publicly available flags are defined in ld(1). The following flags are 34 * private, and may be removed at any time. 35 * 36 * OPTION MEANING 37 * 38 * -z dtrace=symbol assigns symbol to PT_SUNWDTRACE segment, 39 * providing scratch area for dtrace processing. 40 * 41 * -z noreloc suppress relocation processing. This provides 42 * a mechanism for validating kernel module symbol 43 * resolution that would normally incur fatal 44 * relocation errors. 45 * 46 * -z rtldinfo=symbol assigns symbol to SUNW_RTLDINF dynamic tag, 47 * providing pre-initialization specific routines 48 * for TLS initialization. 49 * 50 * -z nointerp suppress the addition of an interpreter 51 * section. This is used to generate the kernel, 52 * but makes no sense to be used by anyone else. 53 * 54 * -z norelaxreloc suppress the automatic addition of relaxed 55 * relocations to GNU linkonce/COMDAT sections. 56 * 57 * -z nosighandler suppress the registration of the signal handler 58 * used to manage SIGBUS. 59 */ 60 61 /* 62 * The following flags are committed, and will not be removed, but are 63 * not publically documented, either because they are obsolete, or because 64 * they exist to work around defects in other software and are not of 65 * sufficient interest otherwise. 66 * 67 * OPTION MEANING 68 * 69 * -Wl,... compiler drivers and configuration tools 70 * have been known to pass this compiler option 71 * to ld(1). Strip off the "-Wl," prefix and 72 * process the remainder (...) as a normal option. 73 */ 74 75 #include <sys/link.h> 76 #include <stdio.h> 77 #include <fcntl.h> 78 #include <string.h> 79 #include <errno.h> 80 #include <elf.h> 81 #include <unistd.h> 82 #include <debug.h> 83 #include "msg.h" 84 #include "_libld.h" 85 86 /* 87 * Define a set of local argument flags, the settings of these will be 88 * verified in check_flags() and lead to the appropriate output file flags 89 * being initialized. 90 */ 91 typedef enum { 92 SET_UNKNOWN = -1, 93 SET_FALSE = 0, 94 SET_TRUE = 1 95 } Setstate; 96 97 static Setstate dflag = SET_UNKNOWN; 98 static Setstate zdflag = SET_UNKNOWN; 99 static Setstate Qflag = SET_UNKNOWN; 100 static Setstate Bdflag = SET_UNKNOWN; 101 static Setstate zfwflag = SET_UNKNOWN; 102 103 static Boolean aflag = FALSE; 104 static Boolean bflag = FALSE; 105 static Boolean rflag = FALSE; 106 static Boolean sflag = FALSE; 107 static Boolean zinflag = FALSE; 108 static Boolean zlflag = FALSE; 109 static Boolean Bgflag = FALSE; 110 static Boolean Blflag = FALSE; 111 static Boolean Beflag = FALSE; 112 static Boolean Bsflag = FALSE; 113 static Boolean Dflag = FALSE; 114 static Boolean Gflag = FALSE; 115 static Boolean Vflag = FALSE; 116 117 /* 118 * ztflag's state is set by pointing it to the matching string: 119 * text | textoff | textwarn 120 */ 121 static const char *ztflag = NULL; 122 123 /* 124 * Remember the guidance flags that result from the initial -z guidance 125 * option, so that they can be compared to any that follow. We only want 126 * to issue a warning when they differ. 127 */ 128 static ofl_guideflag_t initial_guidance_flags = 0; 129 130 static uintptr_t process_files_com(Ofl_desc *, int, char **); 131 static uintptr_t process_flags_com(Ofl_desc *, int, char **, int *); 132 133 /* 134 * Print usage message to stderr - 2 modes, summary message only, 135 * and full usage message. 136 */ 137 static void 138 usage_mesg(Boolean detail) 139 { 140 (void) fprintf(stderr, MSG_INTL(MSG_ARG_USAGE), 141 MSG_ORIG(MSG_STR_OPTIONS)); 142 143 if (detail == FALSE) 144 return; 145 146 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_3)); 147 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_6)); 148 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_A)); 149 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_B)); 150 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CBDR)); 151 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CBDY)); 152 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CBE)); 153 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CBG)); 154 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CBL)); 155 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CBR)); 156 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CBS)); 157 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_C)); 158 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CC)); 159 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_D)); 160 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CD)); 161 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_E)); 162 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_F)); 163 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CF)); 164 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CG)); 165 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_H)); 166 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_I)); 167 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CI)); 168 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_L)); 169 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CL)); 170 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_M)); 171 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CM)); 172 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CN)); 173 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_O)); 174 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_P)); 175 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CP)); 176 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CQ)); 177 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_R)); 178 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CR)); 179 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_S)); 180 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CS)); 181 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_T)); 182 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_U)); 183 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CV)); 184 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CY)); 185 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZA)); 186 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZAE)); 187 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZAL)); 188 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZADLIB)); 189 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZC)); 190 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZDEF)); 191 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZDFS)); 192 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZDRS)); 193 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZE)); 194 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZFATW)); 195 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZFA)); 196 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZGP)); 197 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZGUIDE)); 198 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZH)); 199 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZIG)); 200 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZINA)); 201 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZINI)); 202 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZINT)); 203 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZLAZY)); 204 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZLD32)); 205 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZLD64)); 206 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZLO)); 207 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZM)); 208 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZNC)); 209 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZNDFS)); 210 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZNDEF)); 211 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZNDEL)); 212 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZNDLO)); 213 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZNDU)); 214 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZNLD)); 215 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZNOW)); 216 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZNPA)); 217 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZNV)); 218 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZO)); 219 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZPIA)); 220 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZRL)); 221 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZRREL)); 222 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZRS)); 223 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZRSN)); 224 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZRSGRP)); 225 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZSCAP)); 226 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZTARG)); 227 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZT)); 228 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZTO)); 229 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZTW)); 230 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZWRAP)); 231 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZVER)); 232 } 233 234 /* 235 * Rescan the archives seen on the command line in order 236 * to handle circularly dependent archives, stopping when 237 * no further member extraction occurs. 238 * 239 * entry: 240 * ofl - Output file descriptor 241 * isgrp - True if this is a an archive group search, False 242 * to search starting with argv[1] through end_arg_ndx 243 * end_arg_ndx - Index of final argv element to consider. 244 */ 245 static uintptr_t 246 ld_rescan_archives(Ofl_desc *ofl, int isgrp, int end_arg_ndx) 247 { 248 ofl->ofl_flags1 |= FLG_OF1_EXTRACT; 249 250 while (ofl->ofl_flags1 & FLG_OF1_EXTRACT) { 251 Aliste idx; 252 Ar_desc *adp; 253 Word start_ndx = isgrp ? ofl->ofl_ars_gsndx : 0; 254 Word ndx = 0; 255 256 ofl->ofl_flags1 &= ~FLG_OF1_EXTRACT; 257 258 DBG_CALL(Dbg_file_ar_rescan(ofl->ofl_lml, 259 isgrp ? ofl->ofl_ars_gsandx : 1, end_arg_ndx)); 260 261 for (APLIST_TRAVERSE(ofl->ofl_ars, idx, adp)) { 262 /* If not to starting index yet, skip it */ 263 if (ndx++ < start_ndx) 264 continue; 265 266 /* 267 * If this archive was processed with -z allextract, 268 * then all members have already been extracted. 269 */ 270 if (adp->ad_elf == NULL) 271 continue; 272 273 /* 274 * Reestablish any archive specific command line flags. 275 */ 276 ofl->ofl_flags1 &= ~MSK_OF1_ARCHIVE; 277 ofl->ofl_flags1 |= (adp->ad_flags & MSK_OF1_ARCHIVE); 278 279 /* 280 * Re-process the archive. Note that a file descriptor 281 * is unnecessary, as the file is already available in 282 * memory. 283 */ 284 if (!ld_process_archive(adp->ad_name, -1, adp, ofl)) 285 return (S_ERROR); 286 if (ofl->ofl_flags & FLG_OF_FATAL) 287 return (1); 288 } 289 } 290 291 return (1); 292 } 293 294 /* 295 * Checks the command line option flags for consistency. 296 */ 297 static uintptr_t 298 check_flags(Ofl_desc * ofl, int argc) 299 { 300 /* 301 * If the user specified -zguidance=noall, then we can safely disable 302 * the entire feature. The purpose of -zguidance=noall is to allow 303 * the user to override guidance specified from a makefile via 304 * the LD_OPTIONS environment variable, and so, we want to behave 305 * in exactly the same manner we would have if no option were present. 306 */ 307 if ((ofl->ofl_guideflags & (FLG_OFG_ENABLE | FLG_OFG_NO_ALL)) == 308 (FLG_OFG_ENABLE | FLG_OFG_NO_ALL)) 309 ofl->ofl_guideflags &= ~FLG_OFG_ENABLE; 310 311 if (Plibpath && (Llibdir || Ulibdir)) 312 ld_eprintf(ofl, ERR_FATAL, MSG_INTL(MSG_ARG_YP), 313 Llibdir ? 'L' : 'U'); 314 315 if (rflag) { 316 if (dflag == SET_UNKNOWN) 317 dflag = SET_FALSE; 318 /* 319 * Combining relocations when building a relocatable 320 * object isn't allowed. Warn the user, but proceed. 321 */ 322 if (ofl->ofl_flags & FLG_OF_COMREL) 323 ld_eprintf(ofl, ERR_WARNING, MSG_INTL(MSG_MARG_INCOMP), 324 MSG_INTL(MSG_MARG_REL), 325 MSG_ORIG(MSG_ARG_ZCOMBRELOC)); 326 ofl->ofl_flags |= FLG_OF_RELOBJ; 327 } else { 328 /* 329 * Translating object capabilities to symbol capabilities is 330 * only meaningful when creating a relocatable object. 331 */ 332 if (ofl->ofl_flags & FLG_OF_OTOSCAP) 333 ld_eprintf(ofl, ERR_FATAL, MSG_INTL(MSG_MARG_ONLY), 334 MSG_ORIG(MSG_ARG_ZSYMBOLCAP), 335 MSG_INTL(MSG_MARG_REL)); 336 337 /* 338 * If the user hasn't explicitly requested that relocations 339 * not be combined, combine them by default. 340 */ 341 if ((ofl->ofl_flags & FLG_OF_NOCOMREL) == 0) 342 ofl->ofl_flags |= FLG_OF_COMREL; 343 } 344 345 if (zdflag == SET_TRUE) 346 ofl->ofl_flags |= FLG_OF_NOUNDEF; 347 348 if (zinflag) 349 ofl->ofl_dtflags_1 |= DF_1_INTERPOSE; 350 351 if (sflag) 352 ofl->ofl_flags |= FLG_OF_STRIP; 353 354 if (Qflag == SET_TRUE) 355 ofl->ofl_flags |= FLG_OF_ADDVERS; 356 357 if (Blflag) 358 ofl->ofl_flags |= FLG_OF_AUTOLCL; 359 360 if (Beflag) 361 ofl->ofl_flags |= FLG_OF_AUTOELM; 362 363 if (Blflag && Beflag) 364 ld_eprintf(ofl, ERR_FATAL, MSG_INTL(MSG_ARG_INCOMP), 365 MSG_ORIG(MSG_ARG_BELIMINATE), MSG_ORIG(MSG_ARG_BLOCAL)); 366 367 if (ofl->ofl_interp && (ofl->ofl_flags1 & FLG_OF1_NOINTRP)) 368 ld_eprintf(ofl, ERR_FATAL, MSG_INTL(MSG_ARG_INCOMP), 369 MSG_ORIG(MSG_ARG_CI), MSG_ORIG(MSG_ARG_ZNOINTERP)); 370 371 if ((ofl->ofl_flags1 & (FLG_OF1_NRLXREL | FLG_OF1_RLXREL)) == 372 (FLG_OF1_NRLXREL | FLG_OF1_RLXREL)) 373 ld_eprintf(ofl, ERR_FATAL, MSG_INTL(MSG_ARG_INCOMP), 374 MSG_ORIG(MSG_ARG_ZRELAXRELOC), 375 MSG_ORIG(MSG_ARG_ZNORELAXRELOC)); 376 377 if (ofl->ofl_filtees && !Gflag) 378 ld_eprintf(ofl, ERR_FATAL, MSG_INTL(MSG_MARG_ST_ONLYAVL), 379 ((ofl->ofl_flags & FLG_OF_AUX) ? 380 MSG_INTL(MSG_MARG_FILTER_AUX) : MSG_INTL(MSG_MARG_FILTER))); 381 382 if (dflag != SET_FALSE) { 383 /* 384 * Set -Bdynamic on by default, setting is rechecked as input 385 * files are processed. 386 */ 387 ofl->ofl_flags |= 388 (FLG_OF_DYNAMIC | FLG_OF_DYNLIBS | FLG_OF_PROCRED); 389 390 if (aflag) 391 ld_eprintf(ofl, ERR_FATAL, MSG_INTL(MSG_ARG_INCOMP), 392 MSG_ORIG(MSG_ARG_DY), MSG_ORIG(MSG_ARG_A)); 393 394 if (bflag) 395 ofl->ofl_flags |= FLG_OF_BFLAG; 396 397 if (Bgflag == TRUE) { 398 if (zdflag == SET_FALSE) 399 ld_eprintf(ofl, ERR_FATAL, 400 MSG_INTL(MSG_ARG_INCOMP), 401 MSG_ORIG(MSG_ARG_BGROUP), 402 MSG_ORIG(MSG_ARG_ZNODEF)); 403 ofl->ofl_dtflags_1 |= DF_1_GROUP; 404 ofl->ofl_flags |= FLG_OF_NOUNDEF; 405 } 406 407 /* 408 * If the use of default library searching has been suppressed 409 * but no runpaths have been provided we're going to have a hard 410 * job running this object. 411 */ 412 if ((ofl->ofl_dtflags_1 & DF_1_NODEFLIB) && !ofl->ofl_rpath) 413 ld_eprintf(ofl, ERR_WARNING, MSG_INTL(MSG_ARG_NODEFLIB), 414 MSG_INTL(MSG_MARG_RPATH)); 415 416 /* 417 * By default, text relocation warnings are given when building 418 * an executable unless the -b flag is specified. This option 419 * implies that unclean text can be created, so no warnings are 420 * generated unless specifically asked for. 421 */ 422 if ((ztflag == MSG_ORIG(MSG_ARG_ZTEXTOFF)) || 423 ((ztflag == NULL) && bflag)) { 424 ofl->ofl_flags1 |= FLG_OF1_TEXTOFF; 425 ofl->ofl_guideflags |= FLG_OFG_NO_TEXT; 426 } else if (ztflag == MSG_ORIG(MSG_ARG_ZTEXT)) { 427 ofl->ofl_flags |= FLG_OF_PURETXT; 428 ofl->ofl_guideflags |= FLG_OFG_NO_TEXT; 429 } 430 431 if (Gflag || !rflag) { 432 /* 433 * Create a dynamic object. -Bdirect indicates that all 434 * references should be bound directly. This also 435 * enables lazyloading. Individual symbols can be 436 * bound directly (or not) using mapfiles and the 437 * DIRECT (NODIRECT) qualifier. With this capability, 438 * each syminfo entry is tagged SYMINFO_FLG_DIRECTBIND. 439 * Prior to this per-symbol direct binding, runtime 440 * direct binding was controlled via the DF_1_DIRECT 441 * flag. This flag affected all references from the 442 * object. -Bdirect continues to set this flag, and 443 * thus provides a means of taking a newly built 444 * direct binding object back to older systems. 445 * 446 * NOTE, any use of per-symbol NODIRECT bindings, or 447 * -znodirect, will disable the creation of the 448 * DF_1_DIRECT flag. Older runtime linkers do not 449 * have the capability to do per-symbol direct bindings. 450 */ 451 if (Bdflag == SET_TRUE) { 452 ofl->ofl_dtflags_1 |= DF_1_DIRECT; 453 ofl->ofl_flags1 |= FLG_OF1_LAZYLD; 454 ofl->ofl_guideflags |= FLG_OFG_NO_LAZY; 455 ofl->ofl_flags |= FLG_OF_SYMINFO; 456 } 457 458 /* 459 * -Bnodirect disables directly binding to any symbols 460 * exported from the object being created. Individual 461 * references to external objects can still be affected 462 * by -zdirect or mapfile DIRECT directives. 463 */ 464 if (Bdflag == SET_FALSE) { 465 ofl->ofl_flags1 |= (FLG_OF1_NDIRECT | 466 FLG_OF1_NGLBDIR | FLG_OF1_ALNODIR); 467 ofl->ofl_flags |= FLG_OF_SYMINFO; 468 } 469 } 470 471 if (!Gflag && !rflag) { 472 /* 473 * Dynamically linked executable. 474 */ 475 ofl->ofl_flags |= FLG_OF_EXEC; 476 477 if (zdflag != SET_FALSE) 478 ofl->ofl_flags |= FLG_OF_NOUNDEF; 479 480 /* 481 * -z textwarn is the default for executables, and 482 * only an explicit -z text* option can change that, 483 * so there's no need to provide additional guidance. 484 */ 485 ofl->ofl_guideflags |= FLG_OFG_NO_TEXT; 486 487 if (Bsflag) 488 ld_eprintf(ofl, ERR_FATAL, 489 MSG_INTL(MSG_ARG_DY_INCOMP), 490 MSG_ORIG(MSG_ARG_BSYMBOLIC)); 491 if (ofl->ofl_soname) 492 ld_eprintf(ofl, ERR_FATAL, 493 MSG_INTL(MSG_MARG_DY_INCOMP), 494 MSG_INTL(MSG_MARG_SONAME)); 495 } else if (!rflag) { 496 /* 497 * Shared library. 498 */ 499 ofl->ofl_flags |= FLG_OF_SHAROBJ; 500 501 /* 502 * By default, print text relocation warnings for 503 * executables but *not* for shared objects. However, 504 * if -z guidance is on, issue warnings for shared 505 * objects as well. 506 * 507 * If -z textwarn is explicitly specified, also issue 508 * guidance messages if -z guidance is on, but not 509 * for -z text or -z textoff. 510 */ 511 if (ztflag == NULL) { 512 if (!OFL_GUIDANCE(ofl, FLG_OFG_NO_TEXT)) 513 ofl->ofl_flags1 |= FLG_OF1_TEXTOFF; 514 } else if ((ofl->ofl_flags & FLG_OF_PURETXT) || 515 (ofl->ofl_flags1 & FLG_OF1_TEXTOFF)) { 516 ofl->ofl_guideflags |= FLG_OFG_NO_TEXT; 517 } 518 519 if (Bsflag) { 520 /* 521 * -Bsymbolic, and -Bnodirect make no sense. 522 */ 523 if (Bdflag == SET_FALSE) 524 ld_eprintf(ofl, ERR_FATAL, 525 MSG_INTL(MSG_ARG_INCOMP), 526 MSG_ORIG(MSG_ARG_BSYMBOLIC), 527 MSG_ORIG(MSG_ARG_BNODIRECT)); 528 ofl->ofl_flags |= FLG_OF_SYMBOLIC; 529 ofl->ofl_dtflags |= DF_SYMBOLIC; 530 } 531 } else { 532 /* 533 * Dynamic relocatable object. 534 */ 535 if (ztflag == NULL) 536 ofl->ofl_flags1 |= FLG_OF1_TEXTOFF; 537 ofl->ofl_guideflags |= FLG_OFG_NO_TEXT; 538 539 if (ofl->ofl_interp) 540 ld_eprintf(ofl, ERR_FATAL, 541 MSG_INTL(MSG_MARG_INCOMP), 542 MSG_INTL(MSG_MARG_REL), 543 MSG_ORIG(MSG_ARG_CI)); 544 } 545 } else { 546 ofl->ofl_flags |= FLG_OF_STATIC; 547 548 if (bflag) 549 ld_eprintf(ofl, ERR_FATAL, MSG_INTL(MSG_ARG_ST_INCOMP), 550 MSG_ORIG(MSG_ARG_B)); 551 if (ofl->ofl_soname) 552 ld_eprintf(ofl, ERR_FATAL, MSG_INTL(MSG_MARG_ST_INCOMP), 553 MSG_INTL(MSG_MARG_SONAME)); 554 if (ofl->ofl_depaudit) 555 ld_eprintf(ofl, ERR_FATAL, MSG_INTL(MSG_ARG_ST_INCOMP), 556 MSG_ORIG(MSG_ARG_CP)); 557 if (ofl->ofl_audit) 558 ld_eprintf(ofl, ERR_FATAL, MSG_INTL(MSG_ARG_ST_INCOMP), 559 MSG_ORIG(MSG_ARG_P)); 560 if (ofl->ofl_config) 561 ld_eprintf(ofl, ERR_FATAL, MSG_INTL(MSG_ARG_ST_INCOMP), 562 MSG_ORIG(MSG_ARG_C)); 563 if (ztflag) 564 ld_eprintf(ofl, ERR_FATAL, MSG_INTL(MSG_ARG_ST_INCOMP), 565 MSG_ORIG(MSG_ARG_ZTEXTALL)); 566 if (Gflag) 567 ld_eprintf(ofl, ERR_FATAL, MSG_INTL(MSG_MARG_ST_INCOMP), 568 MSG_INTL(MSG_MARG_SO)); 569 if (aflag && rflag) 570 ld_eprintf(ofl, ERR_FATAL, MSG_INTL(MSG_MARG_INCOMP), 571 MSG_ORIG(MSG_ARG_A), MSG_INTL(MSG_MARG_REL)); 572 573 if (rflag) { 574 /* 575 * We can only strip the symbol table and string table 576 * if no output relocations will refer to them. 577 */ 578 if (sflag) 579 ld_eprintf(ofl, ERR_WARNING, 580 MSG_INTL(MSG_ARG_STRIP), 581 MSG_INTL(MSG_MARG_REL), 582 MSG_INTL(MSG_MARG_STRIP)); 583 584 if (ztflag == NULL) 585 ofl->ofl_flags1 |= FLG_OF1_TEXTOFF; 586 ofl->ofl_guideflags |= FLG_OFG_NO_TEXT; 587 588 if (ofl->ofl_interp) 589 ld_eprintf(ofl, ERR_FATAL, 590 MSG_INTL(MSG_MARG_INCOMP), 591 MSG_INTL(MSG_MARG_REL), 592 MSG_ORIG(MSG_ARG_CI)); 593 } else { 594 /* 595 * Static executable. 596 */ 597 ofl->ofl_flags |= FLG_OF_EXEC | FLG_OF_PROCRED; 598 599 if (zdflag != SET_FALSE) 600 ofl->ofl_flags |= FLG_OF_NOUNDEF; 601 } 602 } 603 604 /* 605 * If the user didn't supply an output file name supply a default. 606 */ 607 if (ofl->ofl_name == NULL) 608 ofl->ofl_name = MSG_ORIG(MSG_STR_AOUT); 609 610 /* 611 * We set the entrance criteria after all input argument processing as 612 * it is only at this point we're sure what the output image will be 613 * (static or dynamic). 614 */ 615 if (ld_ent_setup(ofl, ld_targ.t_m.m_segm_align) == S_ERROR) 616 return (S_ERROR); 617 618 /* 619 * Does the host currently running the linker have the same 620 * byte order as the target for which the object is being produced? 621 * If not, set FLG_OF1_ENCDIFF so relocation code will know 622 * to check. 623 */ 624 if (_elf_sys_encoding() != ld_targ.t_m.m_data) 625 ofl->ofl_flags1 |= FLG_OF1_ENCDIFF; 626 627 /* 628 * If the target has special executable section filling requirements, 629 * register the fill function with libelf 630 */ 631 if (ld_targ.t_ff.ff_execfill != NULL) 632 _elf_execfill(ld_targ.t_ff.ff_execfill); 633 634 /* 635 * Initialize string tables. Symbol definitions within mapfiles can 636 * result in the creation of input sections. 637 */ 638 if (ld_init_strings(ofl) == S_ERROR) 639 return (S_ERROR); 640 641 /* 642 * Process mapfiles. Mapfile can redefine or add sections/segments, 643 * so this must come after the default entrance criteria are established 644 * (above). 645 */ 646 if (ofl->ofl_maps) { 647 const char *name; 648 Aliste idx; 649 650 for (APLIST_TRAVERSE(ofl->ofl_maps, idx, name)) 651 if (!ld_map_parse(name, ofl)) 652 return (S_ERROR); 653 654 if (!ld_map_post_process(ofl)) 655 return (S_ERROR); 656 } 657 658 /* 659 * If a mapfile has been used to define a single symbolic scope of 660 * interfaces, -Bsymbolic is established. This global setting goes 661 * beyond individual symbol protection, and ensures all relocations 662 * (even those that reference section symbols) are processed within 663 * the object being built. 664 */ 665 if (((ofl->ofl_flags & 666 (FLG_OF_MAPSYMB | FLG_OF_MAPGLOB)) == FLG_OF_MAPSYMB) && 667 (ofl->ofl_flags & (FLG_OF_AUTOLCL | FLG_OF_AUTOELM))) { 668 ofl->ofl_flags |= FLG_OF_SYMBOLIC; 669 ofl->ofl_dtflags |= DF_SYMBOLIC; 670 } 671 672 /* 673 * If -zloadfltr is set, verify that filtering is in effect. Filters 674 * are either established from the command line, and affect the whole 675 * object, or are set on a per-symbol basis from a mapfile. 676 */ 677 if (zlflag) { 678 if ((ofl->ofl_filtees == NULL) && (ofl->ofl_dtsfltrs == NULL)) 679 ld_eprintf(ofl, ERR_FATAL, MSG_INTL(MSG_ARG_NOFLTR), 680 MSG_ORIG(MSG_ARG_ZLOADFLTR)); 681 ofl->ofl_dtflags_1 |= DF_1_LOADFLTR; 682 } 683 684 /* 685 * Check that we have something to work with. This check is carried out 686 * after mapfile processing as its possible a mapfile is being used to 687 * define symbols, in which case it would be sufficient to build the 688 * output file purely from the mapfile. 689 */ 690 if ((ofl->ofl_objscnt == 0) && (ofl->ofl_soscnt == 0)) { 691 if ((Vflag || 692 (Dflag && (dbg_desc->d_extra & DBG_E_HELP_EXIT))) && 693 (argc == 2)) { 694 ofl->ofl_flags1 |= FLG_OF1_DONE; 695 } else { 696 ld_eprintf(ofl, ERR_FATAL, MSG_INTL(MSG_ARG_NOFILES)); 697 return (S_ERROR); 698 } 699 } 700 return (1); 701 } 702 703 /* 704 * Decompose the string pointed by optarg into argv[][] so that argv[][] can be 705 * used as an argument to getopt(). 706 * 707 * If the second argument 'usage' is not NULL, then this is called from the 708 * first pass. Else this is called from the second pass. 709 */ 710 static uintptr_t 711 createargv(Ofl_desc *ofl, int *usage) 712 { 713 int argc = 0, idx = 0, ooptind; 714 uintptr_t ret; 715 char **argv, *p0; 716 717 /* 718 * The argument being examined is either: 719 * ld32= or 720 * ld64= 721 */ 722 #if defined(_LP64) 723 if (optarg[2] == '3') 724 return (0); 725 #else 726 if (optarg[2] == '6') 727 return (0); 728 #endif 729 730 p0 = &optarg[5]; 731 732 /* 733 * Count the number of arguments. 734 */ 735 while (*p0) { 736 /* 737 * Pointing at non-separator character. 738 */ 739 if (*p0 != ',') { 740 argc++; 741 while (*p0 && (*p0 != ',')) 742 p0++; 743 continue; 744 } 745 746 /* 747 * Pointing at a separator character. 748 */ 749 if (*p0 == ',') { 750 while (*p0 == ',') 751 p0++; 752 continue; 753 } 754 } 755 756 if (argc == 0) 757 return (0); 758 759 /* 760 * Allocate argument vector. 761 */ 762 if ((p0 = (char *)strdup(&optarg[5])) == NULL) 763 return (S_ERROR); 764 if ((argv = libld_malloc((sizeof (char *)) * (argc + 1))) == NULL) 765 return (S_ERROR); 766 767 while (*p0) { 768 char *p; 769 770 /* 771 * Pointing at the beginning of non-separator character string. 772 */ 773 if (*p0 != ',') { 774 p = p0; 775 while (*p0 && (*p0 != ',')) 776 p0++; 777 argv[idx++] = p; 778 if (*p0) { 779 *p0 = '\0'; 780 p0++; 781 } 782 continue; 783 } 784 785 /* 786 * Pointing at the beginining of separator character string. 787 */ 788 if (*p0 == ',') { 789 while (*p0 == ',') 790 p0++; 791 continue; 792 } 793 } 794 argv[idx] = 0; 795 ooptind = optind; 796 optind = 0; 797 798 /* 799 * Dispatch to pass1 or pass2 800 */ 801 if (usage) 802 ret = process_flags_com(ofl, argc, argv, usage); 803 else 804 ret = process_files_com(ofl, argc, argv); 805 806 optind = ooptind; 807 return (ret); 808 } 809 810 /* 811 * Parse the items in a '-z guidance' value, and set the ofl_guideflags. 812 * A guidance option looks like this: 813 * 814 * -z guidance[=item1,item2,...] 815 * 816 * Where each item specifies categories of guidance messages to suppress, 817 * each starting with the prefix 'no'. We allow arbitrary whitespace between 818 * the items, allow multiple ',' delimiters without an intervening item, and 819 * quietly ignore any items we don't recognize. 820 * 821 * - Such items are likely to be known to newer versions of the linker, 822 * and we do not want an older version of the linker to 823 * complain about them. 824 * 825 * - Times and standards can change, and so we wish to reserve the 826 * right to make an old item that no longer makes sense go away. 827 * Quietly ignoring unrecognized items facilitates this. 828 * 829 * However, we always display unrecognized items in debug output. 830 * 831 * entry: 832 * ofl - Output descriptor 833 * optarg - option string to be processed. This will either be a NULL 834 * terminated 'guidance', or it will be 'guidance=' followed 835 * by the item tokens as described above. 836 * 837 * exit: 838 * Returns TRUE (1) on success, FALSE (0) on failure. 839 * 840 */ 841 static Boolean 842 guidance_parse(Ofl_desc *ofl, char *optarg) 843 { 844 typedef struct { 845 const char *name; 846 ofl_guideflag_t flag; 847 } item_desc; 848 849 static item_desc items[] = { 850 { MSG_ORIG(MSG_ARG_GUIDE_NO_ALL), FLG_OFG_NO_ALL }, 851 852 { MSG_ORIG(MSG_ARG_GUIDE_NO_DEFS), FLG_OFG_NO_DEFS }, 853 { MSG_ORIG(MSG_ARG_GUIDE_NO_DIRECT), FLG_OFG_NO_DB }, 854 { MSG_ORIG(MSG_ARG_GUIDE_NO_LAZYLOAD), FLG_OFG_NO_LAZY }, 855 { MSG_ORIG(MSG_ARG_GUIDE_NO_MAPFILE), FLG_OFG_NO_MF }, 856 { MSG_ORIG(MSG_ARG_GUIDE_NO_TEXT), FLG_OFG_NO_TEXT }, 857 { MSG_ORIG(MSG_ARG_GUIDE_NO_UNUSED), FLG_OFG_NO_UNUSED }, 858 { NULL, 0 } 859 }; 860 861 char *lasts, *name; 862 item_desc *item; 863 ofl_guideflag_t ofl_guideflags = FLG_OFG_ENABLE; 864 865 /* 866 * Skip the 'guidance' prefix. If NULL terminated, there are no 867 * item values to parse. Otherwise, skip the '=' and parse the items. 868 */ 869 optarg += MSG_ARG_GUIDE_SIZE; 870 if (*optarg == '=') { 871 optarg++; 872 873 if ((name = libld_malloc(strlen(optarg) + 1)) == NULL) 874 return (FALSE); 875 (void) strcpy(name, optarg); 876 877 if ((name = strtok_r(name, MSG_ORIG(MSG_ARG_GUIDE_DELIM), 878 &lasts)) != NULL) { 879 do { 880 for (item = items; item->name != NULL; item++) 881 if (strcasecmp(name, item->name) == 0) 882 break; 883 if (item->name == NULL) { 884 DBG_CALL(Dbg_args_guidance_unknown( 885 ofl->ofl_lml, name)); 886 continue; 887 } 888 ofl_guideflags |= item->flag; 889 } while ((name = strtok_r(NULL, 890 MSG_ORIG(MSG_ARG_GUIDE_DELIM), &lasts)) != NULL); 891 } 892 } 893 894 /* 895 * If -zguidance is used more than once, we take the first one. We 896 * do this quietly if they have identical options, and with a warning 897 * otherwise. 898 */ 899 if ((initial_guidance_flags & FLG_OFG_ENABLE) && 900 (ofl_guideflags != initial_guidance_flags)) { 901 ld_eprintf(ofl, ERR_WARNING_NF, MSG_INTL(MSG_ARG_MTONCE), 902 MSG_ORIG(MSG_ARG_ZGUIDE)); 903 return (TRUE); 904 } 905 906 /* 907 * First time: Save the flags for comparison to any subsequent 908 * -z guidance that comes along, and OR the resulting flags into 909 * the flags kept in the output descriptor. 910 */ 911 initial_guidance_flags = ofl_guideflags; 912 ofl->ofl_guideflags |= ofl_guideflags; 913 return (TRUE); 914 } 915 916 /* 917 * Parse the -z assert-deflib option. This option can appear in two different 918 * forms: 919 * -z assert-deflib 920 * -z assert-deflib=libfred.so 921 * 922 * Either form enables this option, the latter form marks libfred.so as an 923 * exempt library from the check. It is valid to have multiple invocations of 924 * the second form. We silently ignore mulitple occurrences of the first form 925 * and multiple invocations of the first form when the second form also occurs. 926 * 927 * We only return false when we have an internal error, such as the failure of 928 * aplist_append. Every other time we return true, but we have the appropriate 929 * fatal flags set beacuse of the ld_eprintf. 930 */ 931 static int 932 assdeflib_parse(Ofl_desc *ofl, char *optarg) 933 { 934 size_t olen, mlen; 935 ofl->ofl_flags |= FLG_OF_ADEFLIB; 936 937 olen = strlen(optarg); 938 /* Minimum size of assert-deflib=lib%s.so */ 939 mlen = MSG_ARG_ASSDEFLIB_SIZE + 1 + MSG_STR_LIB_SIZE + 940 MSG_STR_SOEXT_SIZE; 941 if (olen > MSG_ARG_ASSDEFLIB_SIZE) { 942 if (optarg[MSG_ARG_ASSDEFLIB_SIZE] != '=') { 943 ld_eprintf(ofl, ERR_FATAL, "Missing =\n"); 944 ld_eprintf(ofl, ERR_FATAL, MSG_INTL(MSG_ARG_ILLEGAL), 945 MSG_ORIG(MSG_ARG_ASSDEFLIB), optarg); 946 return (TRUE); 947 } 948 949 if (strncmp(optarg + MSG_ARG_ASSDEFLIB_SIZE + 1, 950 MSG_ORIG(MSG_STR_LIB), MSG_STR_LIB_SIZE) != 0 || 951 strcmp(optarg + olen - MSG_STR_SOEXT_SIZE, 952 MSG_ORIG(MSG_STR_SOEXT)) != 0 || olen <= mlen) { 953 ld_eprintf(ofl, ERR_FATAL, 954 MSG_INTL(MSG_ARG_ASSDEFLIB_MALFORMED), optarg); 955 return (TRUE); 956 } 957 958 if (aplist_append(&ofl->ofl_assdeflib, optarg + 959 MSG_ARG_ASSDEFLIB_SIZE + 1, AL_CNT_ASSDEFLIB) == NULL) 960 return (FALSE); 961 } 962 963 return (TRUE); 964 } 965 966 static int optitle = 0; 967 /* 968 * Parsing options pass1 for process_flags(). 969 */ 970 static uintptr_t 971 parseopt_pass1(Ofl_desc *ofl, int argc, char **argv, int *usage) 972 { 973 int c, ndx = optind; 974 975 /* 976 * The -32, -64 and -ztarget options are special, in that we validate 977 * them, but otherwise ignore them. libld.so (this code) is called 978 * from the ld front end program. ld has already examined the 979 * arguments to determine the output class and machine type of the 980 * output object, as reflected in the version (32/64) of ld_main() 981 * that was called and the value of the 'mach' argument passed. 982 * By time execution reaches this point, these options have already 983 * been seen and acted on. 984 */ 985 while ((c = ld_getopt(ofl->ofl_lml, ndx, argc, argv)) != -1) { 986 987 switch (c) { 988 case '3': 989 DBG_CALL(Dbg_args_option(ofl->ofl_lml, ndx, c, optarg)); 990 991 /* 992 * -32 is processed by ld to determine the output class. 993 * Here we sanity check the option incase some other 994 * -3* option is mistakenly passed to us. 995 */ 996 if (optarg[0] != '2') 997 ld_eprintf(ofl, ERR_FATAL, 998 MSG_INTL(MSG_ARG_ILLEGAL), 999 MSG_ORIG(MSG_ARG_3), optarg); 1000 continue; 1001 1002 case '6': 1003 DBG_CALL(Dbg_args_option(ofl->ofl_lml, ndx, c, optarg)); 1004 1005 /* 1006 * -64 is processed by ld to determine the output class. 1007 * Here we sanity check the option incase some other 1008 * -6* option is mistakenly passed to us. 1009 */ 1010 if (optarg[0] != '4') 1011 ld_eprintf(ofl, ERR_FATAL, 1012 MSG_INTL(MSG_ARG_ILLEGAL), 1013 MSG_ORIG(MSG_ARG_6), optarg); 1014 continue; 1015 1016 case 'a': 1017 DBG_CALL(Dbg_args_option(ofl->ofl_lml, ndx, c, NULL)); 1018 aflag = TRUE; 1019 break; 1020 1021 case 'b': 1022 DBG_CALL(Dbg_args_option(ofl->ofl_lml, ndx, c, NULL)); 1023 bflag = TRUE; 1024 1025 /* 1026 * This is a hack, and may be undone later. 1027 * The -b option is only used to build the Unix 1028 * kernel and its related kernel-mode modules. 1029 * We do not want those files to get a .SUNW_ldynsym 1030 * section. At least for now, the kernel makes no 1031 * use of .SUNW_ldynsym, and we do not want to use 1032 * the space to hold it. Therefore, we overload 1033 * the use of -b to also imply -znoldynsym. 1034 */ 1035 ofl->ofl_flags |= FLG_OF_NOLDYNSYM; 1036 break; 1037 1038 case 'c': 1039 DBG_CALL(Dbg_args_option(ofl->ofl_lml, ndx, c, optarg)); 1040 if (ofl->ofl_config) 1041 ld_eprintf(ofl, ERR_WARNING_NF, 1042 MSG_INTL(MSG_ARG_MTONCE), 1043 MSG_ORIG(MSG_ARG_C)); 1044 else 1045 ofl->ofl_config = optarg; 1046 break; 1047 1048 case 'C': 1049 DBG_CALL(Dbg_args_option(ofl->ofl_lml, ndx, c, NULL)); 1050 demangle_flag = 1; 1051 break; 1052 1053 case 'd': 1054 DBG_CALL(Dbg_args_option(ofl->ofl_lml, ndx, c, optarg)); 1055 if ((optarg[0] == 'n') && (optarg[1] == '\0')) { 1056 if (dflag != SET_UNKNOWN) 1057 ld_eprintf(ofl, ERR_WARNING_NF, 1058 MSG_INTL(MSG_ARG_MTONCE), 1059 MSG_ORIG(MSG_ARG_D)); 1060 else 1061 dflag = SET_FALSE; 1062 } else if ((optarg[0] == 'y') && (optarg[1] == '\0')) { 1063 if (dflag != SET_UNKNOWN) 1064 ld_eprintf(ofl, ERR_WARNING_NF, 1065 MSG_INTL(MSG_ARG_MTONCE), 1066 MSG_ORIG(MSG_ARG_D)); 1067 else 1068 dflag = SET_TRUE; 1069 } else { 1070 ld_eprintf(ofl, ERR_FATAL, 1071 MSG_INTL(MSG_ARG_ILLEGAL), 1072 MSG_ORIG(MSG_ARG_D), optarg); 1073 } 1074 break; 1075 1076 case 'e': 1077 DBG_CALL(Dbg_args_option(ofl->ofl_lml, ndx, c, optarg)); 1078 if (ofl->ofl_entry) 1079 ld_eprintf(ofl, ERR_WARNING_NF, 1080 MSG_INTL(MSG_MARG_MTONCE), 1081 MSG_INTL(MSG_MARG_ENTRY)); 1082 else 1083 ofl->ofl_entry = (void *)optarg; 1084 break; 1085 1086 case 'f': 1087 DBG_CALL(Dbg_args_option(ofl->ofl_lml, ndx, c, optarg)); 1088 if (ofl->ofl_filtees && 1089 (!(ofl->ofl_flags & FLG_OF_AUX))) { 1090 ld_eprintf(ofl, ERR_FATAL, 1091 MSG_INTL(MSG_MARG_INCOMP), 1092 MSG_INTL(MSG_MARG_FILTER_AUX), 1093 MSG_INTL(MSG_MARG_FILTER)); 1094 } else { 1095 if ((ofl->ofl_filtees = 1096 add_string(ofl->ofl_filtees, optarg)) == 1097 (const char *)S_ERROR) 1098 return (S_ERROR); 1099 ofl->ofl_flags |= FLG_OF_AUX; 1100 } 1101 break; 1102 1103 case 'F': 1104 DBG_CALL(Dbg_args_option(ofl->ofl_lml, ndx, c, optarg)); 1105 if (ofl->ofl_filtees && 1106 (ofl->ofl_flags & FLG_OF_AUX)) { 1107 ld_eprintf(ofl, ERR_FATAL, 1108 MSG_INTL(MSG_MARG_INCOMP), 1109 MSG_INTL(MSG_MARG_FILTER), 1110 MSG_INTL(MSG_MARG_FILTER_AUX)); 1111 } else { 1112 if ((ofl->ofl_filtees = 1113 add_string(ofl->ofl_filtees, optarg)) == 1114 (const char *)S_ERROR) 1115 return (S_ERROR); 1116 } 1117 break; 1118 1119 case 'h': 1120 DBG_CALL(Dbg_args_option(ofl->ofl_lml, ndx, c, optarg)); 1121 if (ofl->ofl_soname) 1122 ld_eprintf(ofl, ERR_WARNING_NF, 1123 MSG_INTL(MSG_MARG_MTONCE), 1124 MSG_INTL(MSG_MARG_SONAME)); 1125 else 1126 ofl->ofl_soname = (const char *)optarg; 1127 break; 1128 1129 case 'i': 1130 DBG_CALL(Dbg_args_option(ofl->ofl_lml, ndx, c, NULL)); 1131 ofl->ofl_flags |= FLG_OF_IGNENV; 1132 break; 1133 1134 case 'I': 1135 DBG_CALL(Dbg_args_option(ofl->ofl_lml, ndx, c, optarg)); 1136 if (ofl->ofl_interp) 1137 ld_eprintf(ofl, ERR_WARNING_NF, 1138 MSG_INTL(MSG_ARG_MTONCE), 1139 MSG_ORIG(MSG_ARG_CI)); 1140 else 1141 ofl->ofl_interp = (const char *)optarg; 1142 break; 1143 1144 case 'l': 1145 DBG_CALL(Dbg_args_option(ofl->ofl_lml, ndx, c, optarg)); 1146 /* 1147 * For now, count any library as a shared object. This 1148 * is used to size the internal symbol cache. This 1149 * value is recalculated later on actual file processing 1150 * to get an accurate shared object count. 1151 */ 1152 ofl->ofl_soscnt++; 1153 break; 1154 1155 case 'm': 1156 DBG_CALL(Dbg_args_option(ofl->ofl_lml, ndx, c, NULL)); 1157 ofl->ofl_flags |= FLG_OF_GENMAP; 1158 break; 1159 1160 case 'o': 1161 DBG_CALL(Dbg_args_option(ofl->ofl_lml, ndx, c, optarg)); 1162 if (ofl->ofl_name) 1163 ld_eprintf(ofl, ERR_WARNING_NF, 1164 MSG_INTL(MSG_MARG_MTONCE), 1165 MSG_INTL(MSG_MARG_OUTFILE)); 1166 else 1167 ofl->ofl_name = (const char *)optarg; 1168 break; 1169 1170 case 'p': 1171 DBG_CALL(Dbg_args_option(ofl->ofl_lml, ndx, c, optarg)); 1172 1173 /* 1174 * Multiple instances of this option may occur. Each 1175 * additional instance is effectively concatenated to 1176 * the previous separated by a colon. 1177 */ 1178 if (*optarg != '\0') { 1179 if ((ofl->ofl_audit = 1180 add_string(ofl->ofl_audit, 1181 optarg)) == (const char *)S_ERROR) 1182 return (S_ERROR); 1183 } 1184 break; 1185 1186 case 'P': 1187 DBG_CALL(Dbg_args_option(ofl->ofl_lml, ndx, c, optarg)); 1188 1189 /* 1190 * Multiple instances of this option may occur. Each 1191 * additional instance is effectively concatenated to 1192 * the previous separated by a colon. 1193 */ 1194 if (*optarg != '\0') { 1195 if ((ofl->ofl_depaudit = 1196 add_string(ofl->ofl_depaudit, 1197 optarg)) == (const char *)S_ERROR) 1198 return (S_ERROR); 1199 } 1200 break; 1201 1202 case 'r': 1203 DBG_CALL(Dbg_args_option(ofl->ofl_lml, ndx, c, NULL)); 1204 rflag = TRUE; 1205 break; 1206 1207 case 'R': 1208 DBG_CALL(Dbg_args_option(ofl->ofl_lml, ndx, c, optarg)); 1209 1210 /* 1211 * Multiple instances of this option may occur. Each 1212 * additional instance is effectively concatenated to 1213 * the previous separated by a colon. 1214 */ 1215 if (*optarg != '\0') { 1216 if ((ofl->ofl_rpath = 1217 add_string(ofl->ofl_rpath, 1218 optarg)) == (const char *)S_ERROR) 1219 return (S_ERROR); 1220 } 1221 break; 1222 1223 case 's': 1224 DBG_CALL(Dbg_args_option(ofl->ofl_lml, ndx, c, NULL)); 1225 sflag = TRUE; 1226 break; 1227 1228 case 't': 1229 DBG_CALL(Dbg_args_option(ofl->ofl_lml, ndx, c, NULL)); 1230 ofl->ofl_flags |= FLG_OF_NOWARN; 1231 break; 1232 1233 case 'u': 1234 DBG_CALL(Dbg_args_option(ofl->ofl_lml, ndx, c, optarg)); 1235 break; 1236 1237 case 'z': 1238 DBG_CALL(Dbg_args_option(ofl->ofl_lml, ndx, c, optarg)); 1239 1240 /* 1241 * For specific help, print our usage message and exit 1242 * immediately to ensure a 0 return code. 1243 */ 1244 if (strncmp(optarg, MSG_ORIG(MSG_ARG_HELP), 1245 MSG_ARG_HELP_SIZE) == 0) { 1246 usage_mesg(TRUE); 1247 exit(0); 1248 } 1249 1250 /* 1251 * For some options set a flag - further consistancy 1252 * checks will be carried out in check_flags(). 1253 */ 1254 if ((strncmp(optarg, MSG_ORIG(MSG_ARG_LD32), 1255 MSG_ARG_LD32_SIZE) == 0) || 1256 (strncmp(optarg, MSG_ORIG(MSG_ARG_LD64), 1257 MSG_ARG_LD64_SIZE) == 0)) { 1258 if (createargv(ofl, usage) == S_ERROR) 1259 return (S_ERROR); 1260 1261 } else if ( 1262 strcmp(optarg, MSG_ORIG(MSG_ARG_DEFS)) == 0) { 1263 if (zdflag != SET_UNKNOWN) 1264 ld_eprintf(ofl, ERR_WARNING_NF, 1265 MSG_INTL(MSG_ARG_MTONCE), 1266 MSG_ORIG(MSG_ARG_ZDEFNODEF)); 1267 else 1268 zdflag = SET_TRUE; 1269 ofl->ofl_guideflags |= FLG_OFG_NO_DEFS; 1270 } else if (strcmp(optarg, 1271 MSG_ORIG(MSG_ARG_NODEFS)) == 0) { 1272 if (zdflag != SET_UNKNOWN) 1273 ld_eprintf(ofl, ERR_WARNING_NF, 1274 MSG_INTL(MSG_ARG_MTONCE), 1275 MSG_ORIG(MSG_ARG_ZDEFNODEF)); 1276 else 1277 zdflag = SET_FALSE; 1278 ofl->ofl_guideflags |= FLG_OFG_NO_DEFS; 1279 } else if (strcmp(optarg, 1280 MSG_ORIG(MSG_ARG_TEXT)) == 0) { 1281 if (ztflag && 1282 (ztflag != MSG_ORIG(MSG_ARG_ZTEXT))) 1283 ld_eprintf(ofl, ERR_FATAL, 1284 MSG_INTL(MSG_ARG_INCOMP), 1285 MSG_ORIG(MSG_ARG_ZTEXT), 1286 ztflag); 1287 ztflag = MSG_ORIG(MSG_ARG_ZTEXT); 1288 } else if (strcmp(optarg, 1289 MSG_ORIG(MSG_ARG_TEXTOFF)) == 0) { 1290 if (ztflag && 1291 (ztflag != MSG_ORIG(MSG_ARG_ZTEXTOFF))) 1292 ld_eprintf(ofl, ERR_FATAL, 1293 MSG_INTL(MSG_ARG_INCOMP), 1294 MSG_ORIG(MSG_ARG_ZTEXTOFF), 1295 ztflag); 1296 ztflag = MSG_ORIG(MSG_ARG_ZTEXTOFF); 1297 } else if (strcmp(optarg, 1298 MSG_ORIG(MSG_ARG_TEXTWARN)) == 0) { 1299 if (ztflag && 1300 (ztflag != MSG_ORIG(MSG_ARG_ZTEXTWARN))) 1301 ld_eprintf(ofl, ERR_FATAL, 1302 MSG_INTL(MSG_ARG_INCOMP), 1303 MSG_ORIG(MSG_ARG_ZTEXTWARN), 1304 ztflag); 1305 ztflag = MSG_ORIG(MSG_ARG_ZTEXTWARN); 1306 1307 /* 1308 * For other options simply set the ofl flags directly. 1309 */ 1310 } else if (strcmp(optarg, 1311 MSG_ORIG(MSG_ARG_RESCAN)) == 0) { 1312 ofl->ofl_flags1 |= FLG_OF1_RESCAN; 1313 } else if (strcmp(optarg, 1314 MSG_ORIG(MSG_ARG_ABSEXEC)) == 0) { 1315 ofl->ofl_flags1 |= FLG_OF1_ABSEXEC; 1316 } else if (strcmp(optarg, 1317 MSG_ORIG(MSG_ARG_LOADFLTR)) == 0) { 1318 zlflag = TRUE; 1319 } else if (strcmp(optarg, 1320 MSG_ORIG(MSG_ARG_NORELOC)) == 0) { 1321 ofl->ofl_dtflags_1 |= DF_1_NORELOC; 1322 } else if (strcmp(optarg, 1323 MSG_ORIG(MSG_ARG_NOVERSION)) == 0) { 1324 ofl->ofl_flags |= FLG_OF_NOVERSEC; 1325 } else if (strcmp(optarg, 1326 MSG_ORIG(MSG_ARG_MULDEFS)) == 0) { 1327 ofl->ofl_flags |= FLG_OF_MULDEFS; 1328 } else if (strcmp(optarg, 1329 MSG_ORIG(MSG_ARG_REDLOCSYM)) == 0) { 1330 ofl->ofl_flags |= FLG_OF_REDLSYM; 1331 } else if (strcmp(optarg, 1332 MSG_ORIG(MSG_ARG_INITFIRST)) == 0) { 1333 ofl->ofl_dtflags_1 |= DF_1_INITFIRST; 1334 } else if (strcmp(optarg, 1335 MSG_ORIG(MSG_ARG_NODELETE)) == 0) { 1336 ofl->ofl_dtflags_1 |= DF_1_NODELETE; 1337 } else if (strcmp(optarg, 1338 MSG_ORIG(MSG_ARG_NOPARTIAL)) == 0) { 1339 ofl->ofl_flags1 |= FLG_OF1_NOPARTI; 1340 } else if (strcmp(optarg, 1341 MSG_ORIG(MSG_ARG_NOOPEN)) == 0) { 1342 ofl->ofl_dtflags_1 |= DF_1_NOOPEN; 1343 } else if (strcmp(optarg, 1344 MSG_ORIG(MSG_ARG_NOW)) == 0) { 1345 ofl->ofl_dtflags_1 |= DF_1_NOW; 1346 ofl->ofl_dtflags |= DF_BIND_NOW; 1347 } else if (strcmp(optarg, 1348 MSG_ORIG(MSG_ARG_ORIGIN)) == 0) { 1349 ofl->ofl_dtflags_1 |= DF_1_ORIGIN; 1350 ofl->ofl_dtflags |= DF_ORIGIN; 1351 } else if (strcmp(optarg, 1352 MSG_ORIG(MSG_ARG_NODEFAULTLIB)) == 0) { 1353 ofl->ofl_dtflags_1 |= DF_1_NODEFLIB; 1354 } else if (strcmp(optarg, 1355 MSG_ORIG(MSG_ARG_NODUMP)) == 0) { 1356 ofl->ofl_dtflags_1 |= DF_1_NODUMP; 1357 } else if (strcmp(optarg, 1358 MSG_ORIG(MSG_ARG_ENDFILTEE)) == 0) { 1359 ofl->ofl_dtflags_1 |= DF_1_ENDFILTEE; 1360 } else if (strcmp(optarg, 1361 MSG_ORIG(MSG_ARG_VERBOSE)) == 0) { 1362 ofl->ofl_flags |= FLG_OF_VERBOSE; 1363 } else if (strcmp(optarg, 1364 MSG_ORIG(MSG_ARG_COMBRELOC)) == 0) { 1365 ofl->ofl_flags |= FLG_OF_COMREL; 1366 } else if (strcmp(optarg, 1367 MSG_ORIG(MSG_ARG_NOCOMBRELOC)) == 0) { 1368 ofl->ofl_flags |= FLG_OF_NOCOMREL; 1369 } else if (strcmp(optarg, 1370 MSG_ORIG(MSG_ARG_NOCOMPSTRTAB)) == 0) { 1371 ofl->ofl_flags1 |= FLG_OF1_NCSTTAB; 1372 } else if (strcmp(optarg, 1373 MSG_ORIG(MSG_ARG_NOINTERP)) == 0) { 1374 ofl->ofl_flags1 |= FLG_OF1_NOINTRP; 1375 } else if (strcmp(optarg, 1376 MSG_ORIG(MSG_ARG_INTERPOSE)) == 0) { 1377 zinflag = TRUE; 1378 } else if (strcmp(optarg, 1379 MSG_ORIG(MSG_ARG_IGNORE)) == 0) { 1380 ofl->ofl_flags1 |= FLG_OF1_IGNPRC; 1381 } else if (strcmp(optarg, 1382 MSG_ORIG(MSG_ARG_RELAXRELOC)) == 0) { 1383 ofl->ofl_flags1 |= FLG_OF1_RLXREL; 1384 } else if (strcmp(optarg, 1385 MSG_ORIG(MSG_ARG_NORELAXRELOC)) == 0) { 1386 ofl->ofl_flags1 |= FLG_OF1_NRLXREL; 1387 } else if (strcmp(optarg, 1388 MSG_ORIG(MSG_ARG_NOLDYNSYM)) == 0) { 1389 ofl->ofl_flags |= FLG_OF_NOLDYNSYM; 1390 } else if (strcmp(optarg, 1391 MSG_ORIG(MSG_ARG_GLOBAUDIT)) == 0) { 1392 ofl->ofl_dtflags_1 |= DF_1_GLOBAUDIT; 1393 } else if (strcmp(optarg, 1394 MSG_ORIG(MSG_ARG_NOSIGHANDLER)) == 0) { 1395 ofl->ofl_flags1 |= FLG_OF1_NOSGHND; 1396 } else if (strcmp(optarg, 1397 MSG_ORIG(MSG_ARG_SYMBOLCAP)) == 0) { 1398 ofl->ofl_flags |= FLG_OF_OTOSCAP; 1399 1400 /* 1401 * Check archive group usage 1402 * -z rescan-start ... -z rescan-end 1403 * to ensure they don't overlap and are well formed. 1404 */ 1405 } else if (strcmp(optarg, 1406 MSG_ORIG(MSG_ARG_RESCAN_START)) == 0) { 1407 if (ofl->ofl_ars_gsandx == 0) { 1408 ofl->ofl_ars_gsandx = ndx; 1409 } else if (ofl->ofl_ars_gsandx > 0) { 1410 /* Another group is still open */ 1411 ld_eprintf(ofl, ERR_FATAL, 1412 MSG_INTL(MSG_ARG_AR_GRP_OLAP), 1413 MSG_INTL(MSG_MARG_AR_GRPS)); 1414 /* Don't report cascading errors */ 1415 ofl->ofl_ars_gsandx = -1; 1416 } 1417 } else if (strcmp(optarg, 1418 MSG_ORIG(MSG_ARG_RESCAN_END)) == 0) { 1419 if (ofl->ofl_ars_gsandx > 0) { 1420 ofl->ofl_ars_gsandx = 0; 1421 } else if (ofl->ofl_ars_gsandx == 0) { 1422 /* There was no matching begin */ 1423 ld_eprintf(ofl, ERR_FATAL, 1424 MSG_INTL(MSG_ARG_AR_GRP_BAD), 1425 MSG_INTL(MSG_MARG_AR_GRP_END), 1426 MSG_INTL(MSG_MARG_AR_GRP_START)); 1427 /* Don't report cascading errors */ 1428 ofl->ofl_ars_gsandx = -1; 1429 } 1430 1431 /* 1432 * If -z wrap is seen, enter the symbol to be wrapped 1433 * into the wrap AVL tree. 1434 */ 1435 } else if (strncmp(optarg, MSG_ORIG(MSG_ARG_WRAP), 1436 MSG_ARG_WRAP_SIZE) == 0) { 1437 if (ld_wrap_enter(ofl, 1438 optarg + MSG_ARG_WRAP_SIZE) == NULL) 1439 return (S_ERROR); 1440 } else if ((strncmp(optarg, MSG_ORIG(MSG_ARG_GUIDE), 1441 MSG_ARG_GUIDE_SIZE) == 0) && 1442 ((optarg[MSG_ARG_GUIDE_SIZE] == '=') || 1443 (optarg[MSG_ARG_GUIDE_SIZE] == '\0'))) { 1444 if (!guidance_parse(ofl, optarg)) 1445 return (S_ERROR); 1446 } else if (strcmp(optarg, 1447 MSG_ORIG(MSG_ARG_FATWARN)) == 0) { 1448 if (zfwflag == SET_FALSE) { 1449 ld_eprintf(ofl, ERR_WARNING_NF, 1450 MSG_INTL(MSG_ARG_MTONCE), 1451 MSG_ORIG(MSG_ARG_ZFATWNOFATW)); 1452 } else { 1453 zfwflag = SET_TRUE; 1454 ofl->ofl_flags |= FLG_OF_FATWARN; 1455 } 1456 } else if (strcmp(optarg, 1457 MSG_ORIG(MSG_ARG_NOFATWARN)) == 0) { 1458 if (zfwflag == SET_TRUE) 1459 ld_eprintf(ofl, ERR_WARNING_NF, 1460 MSG_INTL(MSG_ARG_MTONCE), 1461 MSG_ORIG(MSG_ARG_ZFATWNOFATW)); 1462 else 1463 zfwflag = SET_FALSE; 1464 1465 /* 1466 * Process everything related to -z assert-deflib. This 1467 * must be done in pass 1 because it gets used in pass 1468 * 2. 1469 */ 1470 } else if (strncmp(optarg, MSG_ORIG(MSG_ARG_ASSDEFLIB), 1471 MSG_ARG_ASSDEFLIB_SIZE) == 0) { 1472 if (assdeflib_parse(ofl, optarg) != TRUE) 1473 return (S_ERROR); 1474 /* 1475 * The following options just need validation as they 1476 * are interpreted on the second pass through the 1477 * command line arguments. 1478 */ 1479 } else if ( 1480 strncmp(optarg, MSG_ORIG(MSG_ARG_INITARRAY), 1481 MSG_ARG_INITARRAY_SIZE) && 1482 strncmp(optarg, MSG_ORIG(MSG_ARG_FINIARRAY), 1483 MSG_ARG_FINIARRAY_SIZE) && 1484 strncmp(optarg, MSG_ORIG(MSG_ARG_PREINITARRAY), 1485 MSG_ARG_PREINITARRAY_SIZE) && 1486 strncmp(optarg, MSG_ORIG(MSG_ARG_RTLDINFO), 1487 MSG_ARG_RTLDINFO_SIZE) && 1488 strncmp(optarg, MSG_ORIG(MSG_ARG_DTRACE), 1489 MSG_ARG_DTRACE_SIZE) && 1490 strcmp(optarg, MSG_ORIG(MSG_ARG_ALLEXTRT)) && 1491 strcmp(optarg, MSG_ORIG(MSG_ARG_DFLEXTRT)) && 1492 strcmp(optarg, MSG_ORIG(MSG_ARG_DIRECT)) && 1493 strcmp(optarg, MSG_ORIG(MSG_ARG_NODIRECT)) && 1494 strcmp(optarg, MSG_ORIG(MSG_ARG_GROUPPERM)) && 1495 strcmp(optarg, MSG_ORIG(MSG_ARG_LAZYLOAD)) && 1496 strcmp(optarg, MSG_ORIG(MSG_ARG_NOGROUPPERM)) && 1497 strcmp(optarg, MSG_ORIG(MSG_ARG_NOLAZYLOAD)) && 1498 strcmp(optarg, MSG_ORIG(MSG_ARG_NODEFERRED)) && 1499 strcmp(optarg, MSG_ORIG(MSG_ARG_RECORD)) && 1500 strcmp(optarg, MSG_ORIG(MSG_ARG_ALTEXEC64)) && 1501 strcmp(optarg, MSG_ORIG(MSG_ARG_WEAKEXT)) && 1502 strncmp(optarg, MSG_ORIG(MSG_ARG_TARGET), 1503 MSG_ARG_TARGET_SIZE) && 1504 strcmp(optarg, MSG_ORIG(MSG_ARG_RESCAN_NOW)) && 1505 strcmp(optarg, MSG_ORIG(MSG_ARG_DEFERRED))) { 1506 ld_eprintf(ofl, ERR_FATAL, 1507 MSG_INTL(MSG_ARG_ILLEGAL), 1508 MSG_ORIG(MSG_ARG_Z), optarg); 1509 } 1510 1511 break; 1512 1513 case 'D': 1514 /* 1515 * If we have not yet read any input files go ahead 1516 * and process any debugging options (this allows any 1517 * argument processing, entrance criteria and library 1518 * initialization to be displayed). Otherwise, if an 1519 * input file has been seen, skip interpretation until 1520 * process_files (this allows debugging to be turned 1521 * on and off around individual groups of files). 1522 */ 1523 Dflag = 1; 1524 if (ofl->ofl_objscnt == 0) { 1525 if (dbg_setup(ofl, optarg, 2) == 0) 1526 return (S_ERROR); 1527 } 1528 1529 /* 1530 * A diagnostic can only be provided after dbg_setup(). 1531 * As this is the first diagnostic that can be produced 1532 * by ld(1), issue a title for timing and basic output. 1533 */ 1534 if ((optitle == 0) && DBG_ENABLED) { 1535 optitle++; 1536 DBG_CALL(Dbg_basic_options(ofl->ofl_lml)); 1537 } 1538 DBG_CALL(Dbg_args_option(ofl->ofl_lml, ndx, c, optarg)); 1539 break; 1540 1541 case 'B': 1542 DBG_CALL(Dbg_args_option(ofl->ofl_lml, ndx, c, optarg)); 1543 if (strcmp(optarg, MSG_ORIG(MSG_ARG_DIRECT)) == 0) { 1544 if (Bdflag == SET_FALSE) { 1545 ld_eprintf(ofl, ERR_FATAL, 1546 MSG_INTL(MSG_ARG_INCOMP), 1547 MSG_ORIG(MSG_ARG_BNODIRECT), 1548 MSG_ORIG(MSG_ARG_BDIRECT)); 1549 } else { 1550 Bdflag = SET_TRUE; 1551 ofl->ofl_guideflags |= FLG_OFG_NO_DB; 1552 } 1553 } else if (strcmp(optarg, 1554 MSG_ORIG(MSG_ARG_NODIRECT)) == 0) { 1555 if (Bdflag == SET_TRUE) { 1556 ld_eprintf(ofl, ERR_FATAL, 1557 MSG_INTL(MSG_ARG_INCOMP), 1558 MSG_ORIG(MSG_ARG_BDIRECT), 1559 MSG_ORIG(MSG_ARG_BNODIRECT)); 1560 } else { 1561 Bdflag = SET_FALSE; 1562 ofl->ofl_guideflags |= FLG_OFG_NO_DB; 1563 } 1564 } else if (strcmp(optarg, 1565 MSG_ORIG(MSG_STR_SYMBOLIC)) == 0) 1566 Bsflag = TRUE; 1567 else if (strcmp(optarg, MSG_ORIG(MSG_ARG_REDUCE)) == 0) 1568 ofl->ofl_flags |= FLG_OF_PROCRED; 1569 else if (strcmp(optarg, MSG_ORIG(MSG_STR_LOCAL)) == 0) 1570 Blflag = TRUE; 1571 else if (strcmp(optarg, MSG_ORIG(MSG_ARG_GROUP)) == 0) 1572 Bgflag = TRUE; 1573 else if (strcmp(optarg, 1574 MSG_ORIG(MSG_STR_ELIMINATE)) == 0) 1575 Beflag = TRUE; 1576 else if (strcmp(optarg, 1577 MSG_ORIG(MSG_ARG_TRANSLATOR)) == 0) { 1578 ld_eprintf(ofl, ERR_WARNING, 1579 MSG_INTL(MSG_ARG_UNSUPPORTED), 1580 MSG_ORIG(MSG_ARG_BTRANSLATOR)); 1581 } else if (strcmp(optarg, 1582 MSG_ORIG(MSG_STR_LD_DYNAMIC)) && 1583 strcmp(optarg, MSG_ORIG(MSG_ARG_STATIC))) { 1584 ld_eprintf(ofl, ERR_FATAL, 1585 MSG_INTL(MSG_ARG_ILLEGAL), 1586 MSG_ORIG(MSG_ARG_CB), optarg); 1587 } 1588 break; 1589 1590 case 'G': 1591 DBG_CALL(Dbg_args_option(ofl->ofl_lml, ndx, c, NULL)); 1592 Gflag = TRUE; 1593 break; 1594 1595 case 'L': 1596 DBG_CALL(Dbg_args_option(ofl->ofl_lml, ndx, c, optarg)); 1597 break; 1598 1599 case 'M': 1600 DBG_CALL(Dbg_args_option(ofl->ofl_lml, ndx, c, optarg)); 1601 if (aplist_append(&(ofl->ofl_maps), optarg, 1602 AL_CNT_OFL_MAPFILES) == NULL) 1603 return (S_ERROR); 1604 break; 1605 1606 case 'N': 1607 DBG_CALL(Dbg_args_option(ofl->ofl_lml, ndx, c, optarg)); 1608 break; 1609 1610 case 'Q': 1611 DBG_CALL(Dbg_args_option(ofl->ofl_lml, ndx, c, optarg)); 1612 if ((optarg[0] == 'n') && (optarg[1] == '\0')) { 1613 if (Qflag != SET_UNKNOWN) 1614 ld_eprintf(ofl, ERR_WARNING_NF, 1615 MSG_INTL(MSG_ARG_MTONCE), 1616 MSG_ORIG(MSG_ARG_CQ)); 1617 else 1618 Qflag = SET_FALSE; 1619 } else if ((optarg[0] == 'y') && (optarg[1] == '\0')) { 1620 if (Qflag != SET_UNKNOWN) 1621 ld_eprintf(ofl, ERR_WARNING_NF, 1622 MSG_INTL(MSG_ARG_MTONCE), 1623 MSG_ORIG(MSG_ARG_CQ)); 1624 else 1625 Qflag = SET_TRUE; 1626 } else { 1627 ld_eprintf(ofl, ERR_FATAL, 1628 MSG_INTL(MSG_ARG_ILLEGAL), 1629 MSG_ORIG(MSG_ARG_CQ), optarg); 1630 } 1631 break; 1632 1633 case 'S': 1634 DBG_CALL(Dbg_args_option(ofl->ofl_lml, ndx, c, optarg)); 1635 if (aplist_append(&lib_support, optarg, 1636 AL_CNT_SUPPORT) == NULL) 1637 return (S_ERROR); 1638 break; 1639 1640 case 'V': 1641 DBG_CALL(Dbg_args_option(ofl->ofl_lml, ndx, c, NULL)); 1642 if (!Vflag) 1643 (void) fprintf(stderr, MSG_ORIG(MSG_STR_STRNL), 1644 ofl->ofl_sgsid); 1645 Vflag = TRUE; 1646 break; 1647 1648 case 'Y': 1649 DBG_CALL(Dbg_args_option(ofl->ofl_lml, ndx, c, optarg)); 1650 if (strncmp(optarg, MSG_ORIG(MSG_ARG_LCOM), 2) == 0) { 1651 if (Llibdir) 1652 ld_eprintf(ofl, ERR_WARNING_NF, 1653 MSG_INTL(MSG_ARG_MTONCE), 1654 MSG_ORIG(MSG_ARG_CYL)); 1655 else 1656 Llibdir = optarg + 2; 1657 } else if (strncmp(optarg, 1658 MSG_ORIG(MSG_ARG_UCOM), 2) == 0) { 1659 if (Ulibdir) 1660 ld_eprintf(ofl, ERR_WARNING_NF, 1661 MSG_INTL(MSG_ARG_MTONCE), 1662 MSG_ORIG(MSG_ARG_CYU)); 1663 else 1664 Ulibdir = optarg + 2; 1665 } else if (strncmp(optarg, 1666 MSG_ORIG(MSG_ARG_PCOM), 2) == 0) { 1667 if (Plibpath) 1668 ld_eprintf(ofl, ERR_WARNING_NF, 1669 MSG_INTL(MSG_ARG_MTONCE), 1670 MSG_ORIG(MSG_ARG_CYP)); 1671 else 1672 Plibpath = optarg + 2; 1673 } else { 1674 ld_eprintf(ofl, ERR_FATAL, 1675 MSG_INTL(MSG_ARG_ILLEGAL), 1676 MSG_ORIG(MSG_ARG_CY), optarg); 1677 } 1678 break; 1679 1680 case '?': 1681 DBG_CALL(Dbg_args_option(ofl->ofl_lml, ndx, c, NULL)); 1682 eprintf(ofl->ofl_lml, ERR_FATAL, 1683 MSG_INTL(MSG_ARG_UNKNOWN), optopt); 1684 (*usage)++; 1685 break; 1686 1687 default: 1688 break; 1689 } 1690 1691 /* 1692 * Update the argument index for the next getopt() iteration. 1693 */ 1694 ndx = optind; 1695 } 1696 return (1); 1697 } 1698 1699 /* 1700 * Parsing options pass2 for 1701 */ 1702 static uintptr_t 1703 parseopt_pass2(Ofl_desc *ofl, int argc, char **argv) 1704 { 1705 int c, ndx = optind; 1706 1707 while ((c = ld_getopt(ofl->ofl_lml, ndx, argc, argv)) != -1) { 1708 Ifl_desc *ifl; 1709 Sym_desc *sdp; 1710 1711 switch (c) { 1712 case 'l': 1713 DBG_CALL(Dbg_args_option(ofl->ofl_lml, ndx, c, 1714 optarg)); 1715 if (ld_find_library(optarg, ofl) == S_ERROR) 1716 return (S_ERROR); 1717 break; 1718 case 'B': 1719 DBG_CALL(Dbg_args_option(ofl->ofl_lml, ndx, c, 1720 optarg)); 1721 if (strcmp(optarg, 1722 MSG_ORIG(MSG_STR_LD_DYNAMIC)) == 0) { 1723 if (ofl->ofl_flags & FLG_OF_DYNAMIC) 1724 ofl->ofl_flags |= 1725 FLG_OF_DYNLIBS; 1726 else { 1727 ld_eprintf(ofl, ERR_FATAL, 1728 MSG_INTL(MSG_ARG_ST_INCOMP), 1729 MSG_ORIG(MSG_ARG_BDYNAMIC)); 1730 } 1731 } else if (strcmp(optarg, 1732 MSG_ORIG(MSG_ARG_STATIC)) == 0) 1733 ofl->ofl_flags &= ~FLG_OF_DYNLIBS; 1734 break; 1735 case 'L': 1736 DBG_CALL(Dbg_args_option(ofl->ofl_lml, ndx, c, 1737 optarg)); 1738 if (ld_add_libdir(ofl, optarg) == S_ERROR) 1739 return (S_ERROR); 1740 break; 1741 case 'N': 1742 DBG_CALL(Dbg_args_option(ofl->ofl_lml, ndx, c, 1743 optarg)); 1744 /* 1745 * Record DT_NEEDED string 1746 */ 1747 if (!(ofl->ofl_flags & FLG_OF_DYNAMIC)) 1748 ld_eprintf(ofl, ERR_FATAL, 1749 MSG_INTL(MSG_ARG_ST_INCOMP), 1750 MSG_ORIG(MSG_ARG_CN)); 1751 if (((ifl = libld_calloc(1, 1752 sizeof (Ifl_desc))) == NULL) || 1753 (aplist_append(&ofl->ofl_sos, ifl, 1754 AL_CNT_OFL_LIBS) == NULL)) 1755 return (S_ERROR); 1756 1757 ifl->ifl_name = MSG_INTL(MSG_STR_COMMAND); 1758 ifl->ifl_soname = optarg; 1759 ifl->ifl_flags = (FLG_IF_NEEDSTR | 1760 FLG_IF_FILEREF | FLG_IF_DEPREQD); 1761 1762 break; 1763 case 'D': 1764 DBG_CALL(Dbg_args_option(ofl->ofl_lml, ndx, c, 1765 optarg)); 1766 (void) dbg_setup(ofl, optarg, 3); 1767 break; 1768 case 'u': 1769 DBG_CALL(Dbg_args_option(ofl->ofl_lml, ndx, c, 1770 optarg)); 1771 if (ld_sym_add_u(optarg, ofl, 1772 MSG_STR_COMMAND) == (Sym_desc *)S_ERROR) 1773 return (S_ERROR); 1774 break; 1775 case 'z': 1776 DBG_CALL(Dbg_args_option(ofl->ofl_lml, ndx, c, 1777 optarg)); 1778 if ((strncmp(optarg, MSG_ORIG(MSG_ARG_LD32), 1779 MSG_ARG_LD32_SIZE) == 0) || 1780 (strncmp(optarg, MSG_ORIG(MSG_ARG_LD64), 1781 MSG_ARG_LD64_SIZE) == 0)) { 1782 if (createargv(ofl, 0) == S_ERROR) 1783 return (S_ERROR); 1784 } else if (strcmp(optarg, 1785 MSG_ORIG(MSG_ARG_ALLEXTRT)) == 0) { 1786 ofl->ofl_flags1 |= FLG_OF1_ALLEXRT; 1787 ofl->ofl_flags1 &= ~FLG_OF1_WEAKEXT; 1788 } else if (strcmp(optarg, 1789 MSG_ORIG(MSG_ARG_WEAKEXT)) == 0) { 1790 ofl->ofl_flags1 |= FLG_OF1_WEAKEXT; 1791 ofl->ofl_flags1 &= ~FLG_OF1_ALLEXRT; 1792 } else if (strcmp(optarg, 1793 MSG_ORIG(MSG_ARG_DFLEXTRT)) == 0) { 1794 ofl->ofl_flags1 &= 1795 ~(FLG_OF1_ALLEXRT | 1796 FLG_OF1_WEAKEXT); 1797 } else if (strcmp(optarg, 1798 MSG_ORIG(MSG_ARG_DIRECT)) == 0) { 1799 ofl->ofl_flags1 |= FLG_OF1_ZDIRECT; 1800 ofl->ofl_guideflags |= FLG_OFG_NO_DB; 1801 } else if (strcmp(optarg, 1802 MSG_ORIG(MSG_ARG_NODIRECT)) == 0) { 1803 ofl->ofl_flags1 &= ~FLG_OF1_ZDIRECT; 1804 ofl->ofl_guideflags |= FLG_OFG_NO_DB; 1805 } else if (strcmp(optarg, 1806 MSG_ORIG(MSG_ARG_IGNORE)) == 0) { 1807 ofl->ofl_flags1 |= FLG_OF1_IGNORE; 1808 } else if (strcmp(optarg, 1809 MSG_ORIG(MSG_ARG_RECORD)) == 0) { 1810 ofl->ofl_flags1 &= ~FLG_OF1_IGNORE; 1811 } else if (strcmp(optarg, 1812 MSG_ORIG(MSG_ARG_LAZYLOAD)) == 0) { 1813 ofl->ofl_flags1 |= FLG_OF1_LAZYLD; 1814 ofl->ofl_guideflags |= FLG_OFG_NO_LAZY; 1815 } else if (strcmp(optarg, 1816 MSG_ORIG(MSG_ARG_NOLAZYLOAD)) == 0) { 1817 ofl->ofl_flags1 &= ~ FLG_OF1_LAZYLD; 1818 ofl->ofl_guideflags |= FLG_OFG_NO_LAZY; 1819 } else if (strcmp(optarg, 1820 MSG_ORIG(MSG_ARG_GROUPPERM)) == 0) { 1821 ofl->ofl_flags1 |= FLG_OF1_GRPPRM; 1822 } else if (strcmp(optarg, 1823 MSG_ORIG(MSG_ARG_NOGROUPPERM)) == 0) { 1824 ofl->ofl_flags1 &= ~FLG_OF1_GRPPRM; 1825 } else if (strncmp(optarg, 1826 MSG_ORIG(MSG_ARG_INITARRAY), 1827 MSG_ARG_INITARRAY_SIZE) == 0) { 1828 if (((sdp = ld_sym_add_u(optarg + 1829 MSG_ARG_INITARRAY_SIZE, ofl, 1830 MSG_STR_COMMAND)) == 1831 (Sym_desc *)S_ERROR) || 1832 (aplist_append(&ofl->ofl_initarray, 1833 sdp, AL_CNT_OFL_ARRAYS) == NULL)) 1834 return (S_ERROR); 1835 } else if (strncmp(optarg, 1836 MSG_ORIG(MSG_ARG_FINIARRAY), 1837 MSG_ARG_FINIARRAY_SIZE) == 0) { 1838 if (((sdp = ld_sym_add_u(optarg + 1839 MSG_ARG_FINIARRAY_SIZE, ofl, 1840 MSG_STR_COMMAND)) == 1841 (Sym_desc *)S_ERROR) || 1842 (aplist_append(&ofl->ofl_finiarray, 1843 sdp, AL_CNT_OFL_ARRAYS) == NULL)) 1844 return (S_ERROR); 1845 } else if (strncmp(optarg, 1846 MSG_ORIG(MSG_ARG_PREINITARRAY), 1847 MSG_ARG_PREINITARRAY_SIZE) == 0) { 1848 if (((sdp = ld_sym_add_u(optarg + 1849 MSG_ARG_PREINITARRAY_SIZE, ofl, 1850 MSG_STR_COMMAND)) == 1851 (Sym_desc *)S_ERROR) || 1852 (aplist_append(&ofl->ofl_preiarray, 1853 sdp, AL_CNT_OFL_ARRAYS) == NULL)) 1854 return (S_ERROR); 1855 } else if (strncmp(optarg, 1856 MSG_ORIG(MSG_ARG_RTLDINFO), 1857 MSG_ARG_RTLDINFO_SIZE) == 0) { 1858 if (((sdp = ld_sym_add_u(optarg + 1859 MSG_ARG_RTLDINFO_SIZE, ofl, 1860 MSG_STR_COMMAND)) == 1861 (Sym_desc *)S_ERROR) || 1862 (aplist_append(&ofl->ofl_rtldinfo, 1863 sdp, AL_CNT_OFL_ARRAYS) == NULL)) 1864 return (S_ERROR); 1865 } else if (strncmp(optarg, 1866 MSG_ORIG(MSG_ARG_DTRACE), 1867 MSG_ARG_DTRACE_SIZE) == 0) { 1868 if ((sdp = ld_sym_add_u(optarg + 1869 MSG_ARG_DTRACE_SIZE, ofl, 1870 MSG_STR_COMMAND)) == 1871 (Sym_desc *)S_ERROR) 1872 return (S_ERROR); 1873 ofl->ofl_dtracesym = sdp; 1874 } else if (strcmp(optarg, 1875 MSG_ORIG(MSG_ARG_RESCAN_NOW)) == 0) { 1876 if (ld_rescan_archives(ofl, 0, ndx) == 1877 S_ERROR) 1878 return (S_ERROR); 1879 } else if (strcmp(optarg, 1880 MSG_ORIG(MSG_ARG_RESCAN_START)) == 0) { 1881 ofl->ofl_ars_gsndx = ofl->ofl_arscnt; 1882 ofl->ofl_ars_gsandx = ndx; 1883 } else if (strcmp(optarg, 1884 MSG_ORIG(MSG_ARG_RESCAN_END)) == 0) { 1885 if (ld_rescan_archives(ofl, 1, ndx) == 1886 S_ERROR) 1887 return (S_ERROR); 1888 } else if (strcmp(optarg, 1889 MSG_ORIG(MSG_ARG_DEFERRED)) == 0) { 1890 ofl->ofl_flags1 |= FLG_OF1_DEFERRED; 1891 } else if (strcmp(optarg, 1892 MSG_ORIG(MSG_ARG_NODEFERRED)) == 0) { 1893 ofl->ofl_flags1 &= ~FLG_OF1_DEFERRED; 1894 } 1895 default: 1896 break; 1897 } 1898 1899 /* 1900 * Update the argument index for the next getopt() iteration. 1901 */ 1902 ndx = optind; 1903 } 1904 return (1); 1905 } 1906 1907 /* 1908 * 1909 * Pass 1 -- process_flags: collects all options and sets flags 1910 */ 1911 static uintptr_t 1912 process_flags_com(Ofl_desc *ofl, int argc, char **argv, int *usage) 1913 { 1914 for (; optind < argc; optind++) { 1915 /* 1916 * If we detect some more options return to getopt(). 1917 * Checking argv[optind][1] against null prevents a forever 1918 * loop if an unadorned `-' argument is passed to us. 1919 */ 1920 while ((optind < argc) && (argv[optind][0] == '-')) { 1921 if (argv[optind][1] != '\0') { 1922 if (parseopt_pass1(ofl, argc, argv, 1923 usage) == S_ERROR) 1924 return (S_ERROR); 1925 } else if (++optind < argc) 1926 continue; 1927 } 1928 if (optind >= argc) 1929 break; 1930 ofl->ofl_objscnt++; 1931 } 1932 1933 /* Did an unterminated archive group run off the end? */ 1934 if (ofl->ofl_ars_gsandx > 0) { 1935 ld_eprintf(ofl, ERR_FATAL, MSG_INTL(MSG_ARG_AR_GRP_BAD), 1936 MSG_INTL(MSG_MARG_AR_GRP_START), 1937 MSG_INTL(MSG_MARG_AR_GRP_END)); 1938 return (S_ERROR); 1939 } 1940 1941 return (1); 1942 } 1943 1944 uintptr_t 1945 ld_process_flags(Ofl_desc *ofl, int argc, char **argv) 1946 { 1947 int usage = 0; /* Collect all argument errors before exit */ 1948 1949 if (argc < 2) { 1950 usage_mesg(FALSE); 1951 return (S_ERROR); 1952 } 1953 1954 /* 1955 * Option handling 1956 */ 1957 opterr = 0; 1958 optind = 1; 1959 if (process_flags_com(ofl, argc, argv, &usage) == S_ERROR) 1960 return (S_ERROR); 1961 1962 /* 1963 * Having parsed everything, did we have any usage errors. 1964 */ 1965 if (usage) { 1966 eprintf(ofl->ofl_lml, ERR_FATAL, MSG_INTL(MSG_ARG_USEHELP)); 1967 return (S_ERROR); 1968 } 1969 1970 return (check_flags(ofl, argc)); 1971 } 1972 1973 /* 1974 * Pass 2 -- process_files: skips the flags collected in pass 1 and processes 1975 * files. 1976 */ 1977 static uintptr_t 1978 process_files_com(Ofl_desc *ofl, int argc, char **argv) 1979 { 1980 for (; optind < argc; optind++) { 1981 int fd; 1982 uintptr_t open_ret; 1983 char *path; 1984 Rej_desc rej = { 0 }; 1985 1986 /* 1987 * If we detect some more options return to getopt(). 1988 * Checking argv[optind][1] against null prevents a forever 1989 * loop if an unadorned `-' argument is passed to us. 1990 */ 1991 while ((optind < argc) && (argv[optind][0] == '-')) { 1992 if (argv[optind][1] != '\0') { 1993 if (parseopt_pass2(ofl, argc, argv) == S_ERROR) 1994 return (S_ERROR); 1995 } else if (++optind < argc) 1996 continue; 1997 } 1998 if (optind >= argc) 1999 break; 2000 2001 path = argv[optind]; 2002 if ((fd = open(path, O_RDONLY)) == -1) { 2003 int err = errno; 2004 2005 ld_eprintf(ofl, ERR_FATAL, 2006 MSG_INTL(MSG_SYS_OPEN), path, strerror(err)); 2007 continue; 2008 } 2009 2010 DBG_CALL(Dbg_args_file(ofl->ofl_lml, optind, path)); 2011 2012 open_ret = ld_process_open(path, path, &fd, ofl, 2013 (FLG_IF_CMDLINE | FLG_IF_NEEDED), &rej, NULL); 2014 if (fd != -1) 2015 (void) close(fd); 2016 if (open_ret == S_ERROR) 2017 return (S_ERROR); 2018 2019 /* 2020 * Check for mismatched input. 2021 */ 2022 if (rej.rej_type) { 2023 Conv_reject_desc_buf_t rej_buf; 2024 2025 ld_eprintf(ofl, ERR_FATAL, 2026 MSG_INTL(reject[rej.rej_type]), 2027 rej.rej_name ? rej.rej_name : 2028 MSG_INTL(MSG_STR_UNKNOWN), 2029 conv_reject_desc(&rej, &rej_buf, 2030 ld_targ.t_m.m_mach)); 2031 return (1); 2032 } 2033 } 2034 return (1); 2035 } 2036 2037 uintptr_t 2038 ld_process_files(Ofl_desc *ofl, int argc, char **argv) 2039 { 2040 DBG_CALL(Dbg_basic_files(ofl->ofl_lml)); 2041 2042 /* 2043 * Process command line files (taking into account any applicable 2044 * preceding flags). Return if any fatal errors have occurred. 2045 */ 2046 opterr = 0; 2047 optind = 1; 2048 if (process_files_com(ofl, argc, argv) == S_ERROR) 2049 return (S_ERROR); 2050 if (ofl->ofl_flags & FLG_OF_FATAL) 2051 return (1); 2052 2053 /* 2054 * Guidance: Use -B direct/nodirect or -z direct/nodirect. 2055 * 2056 * This is a backstop for the case where the link had no dependencies. 2057 * Otherwise, it will get caught by ld_process_ifl(). We need both, 2058 * because -z direct is positional, and its value at the time where 2059 * the first dependency is seen might be different than it is now. 2060 */ 2061 if ((ofl->ofl_flags & FLG_OF_DYNAMIC) && 2062 OFL_GUIDANCE(ofl, FLG_OFG_NO_DB)) { 2063 ld_eprintf(ofl, ERR_GUIDANCE, MSG_INTL(MSG_GUIDE_DIRECT)); 2064 ofl->ofl_guideflags |= FLG_OFG_NO_DB; 2065 } 2066 2067 /* 2068 * Now that all command line files have been processed see if there are 2069 * any additional `needed' shared object dependencies. 2070 */ 2071 if (ofl->ofl_soneed) 2072 if (ld_finish_libs(ofl) == S_ERROR) 2073 return (S_ERROR); 2074 2075 /* 2076 * If rescanning archives is enabled, do so now to determine whether 2077 * there might still be members extracted to satisfy references from any 2078 * explicit objects. Continue until no new objects are extracted. Note 2079 * that this pass is carried out *after* processing any implicit objects 2080 * (above) as they may already have resolved any undefined references 2081 * from any explicit dependencies. 2082 */ 2083 if (ofl->ofl_flags1 & FLG_OF1_RESCAN) { 2084 if (ld_rescan_archives(ofl, 0, argc) == S_ERROR) 2085 return (S_ERROR); 2086 if (ofl->ofl_flags & FLG_OF_FATAL) 2087 return (1); 2088 } 2089 2090 /* 2091 * If debugging, provide statistics on each archives extraction, or flag 2092 * any archive that has provided no members. Note that this could be a 2093 * nice place to free up much of the archive infrastructure, as we've 2094 * extracted any members we need. However, as we presently don't free 2095 * anything under ld(1) there's not much point in proceeding further. 2096 */ 2097 DBG_CALL(Dbg_statistics_ar(ofl)); 2098 2099 /* 2100 * If any version definitions have been established, either via input 2101 * from a mapfile or from the input relocatable objects, make sure any 2102 * version dependencies are satisfied, and version symbols created. 2103 */ 2104 if (ofl->ofl_verdesc) 2105 if (ld_vers_check_defs(ofl) == S_ERROR) 2106 return (S_ERROR); 2107 2108 /* 2109 * If input section ordering was specified within some segment 2110 * using a mapfile, verify that the expected sections were seen. 2111 */ 2112 if (ofl->ofl_flags & FLG_OF_IS_ORDER) 2113 ld_ent_check(ofl); 2114 2115 return (1); 2116 } 2117 2118 uintptr_t 2119 ld_init_strings(Ofl_desc *ofl) 2120 { 2121 uint_t stflags; 2122 2123 if (ofl->ofl_flags1 & FLG_OF1_NCSTTAB) 2124 stflags = 0; 2125 else 2126 stflags = FLG_STNEW_COMPRESS; 2127 2128 if (((ofl->ofl_shdrsttab = st_new(stflags)) == NULL) || 2129 ((ofl->ofl_strtab = st_new(stflags)) == NULL) || 2130 ((ofl->ofl_dynstrtab = st_new(stflags)) == NULL)) 2131 return (S_ERROR); 2132 2133 return (0); 2134 } 2135