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 * Publicly 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 * -z nointerp suppress the addition of an interpreter 50 * section. This is used to generate the kernel, 51 * but makes no sense to be used by anyone else. 52 */ 53 #include <sys/link.h> 54 #include <stdio.h> 55 #include <fcntl.h> 56 #include <string.h> 57 #include <errno.h> 58 #include <elf.h> 59 #include <unistd.h> 60 #include <debug.h> 61 #include "msg.h" 62 #include "_libld.h" 63 64 /* 65 * Define a set of local argument flags, the settings of these will be 66 * verified in check_flags() and lead to the appropriate output file flags 67 * being initialized. 68 */ 69 typedef enum { 70 SET_UNKNOWN = -1, 71 SET_FALSE = 0, 72 SET_TRUE = 1 73 } Setstate; 74 75 static Setstate dflag = SET_UNKNOWN; 76 static Setstate zdflag = SET_UNKNOWN; 77 static Setstate Qflag = SET_UNKNOWN; 78 static Setstate Bdflag = SET_UNKNOWN; 79 80 static Boolean aflag = FALSE; 81 static Boolean bflag = FALSE; 82 static Boolean rflag = FALSE; 83 static Boolean sflag = FALSE; 84 static Boolean zinflag = FALSE; 85 static Boolean zlflag = FALSE; 86 static Boolean Bgflag = FALSE; 87 static Boolean Blflag = FALSE; 88 static Boolean Beflag = FALSE; 89 static Boolean Bsflag = FALSE; 90 static Boolean Btflag = FALSE; 91 static Boolean Gflag = FALSE; 92 static Boolean Vflag = FALSE; 93 94 /* 95 * ztflag's state is set by pointing it to the matching string: 96 * text | textoff | textwarn 97 */ 98 static const char *ztflag = 0; 99 100 static uintptr_t process_files_com(Ofl_desc *, int, char **); 101 static uintptr_t process_flags_com(Ofl_desc *, int, char **, int *); 102 103 /* 104 * Print usage message to stderr - 2 modes, summary message only, 105 * and full usage message. 106 */ 107 static void 108 usage_mesg(Boolean detail) 109 { 110 (void) fprintf(stderr, MSG_INTL(MSG_ARG_USAGE), 111 MSG_ORIG(MSG_STR_OPTIONS)); 112 113 if (detail == FALSE) 114 return; 115 116 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_6)); 117 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_A)); 118 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_B)); 119 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CBDR)); 120 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CBDY)); 121 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CBE)); 122 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CBG)); 123 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CBL)); 124 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CBR)); 125 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CBS)); 126 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_C)); 127 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CC)); 128 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_D)); 129 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CD)); 130 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_E)); 131 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_F)); 132 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CF)); 133 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CG)); 134 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_H)); 135 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_I)); 136 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CI)); 137 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_L)); 138 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CL)); 139 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_M)); 140 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CM)); 141 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CN)); 142 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_O)); 143 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_P)); 144 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CP)); 145 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CQ)); 146 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_R)); 147 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CR)); 148 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_S)); 149 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CS)); 150 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_T)); 151 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_U)); 152 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CV)); 153 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_CY)); 154 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZA)); 155 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZAE)); 156 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZAL)); 157 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZC)); 158 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZDFS)); 159 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZDRS)); 160 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZE)); 161 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZFA)); 162 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZGP)); 163 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZH)); 164 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZIG)); 165 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZINA)); 166 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZINI)); 167 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZINT)); 168 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZLAZY)); 169 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZLD32)); 170 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZLD64)); 171 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZLO)); 172 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZM)); 173 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZNC)); 174 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZNDFS)); 175 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZNDEF)); 176 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZNDEL)); 177 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZNDLO)); 178 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZNDU)); 179 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZNOW)); 180 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZNPA)); 181 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZNV)); 182 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZO)); 183 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZPIA)); 184 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZRL)); 185 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZRS)); 186 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZT)); 187 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZTO)); 188 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZTW)); 189 (void) fprintf(stderr, MSG_INTL(MSG_ARG_DETAIL_ZV)); 190 } 191 192 /* 193 * Checks the command line option flags for consistency. 194 */ 195 static uintptr_t 196 check_flags(Ofl_desc * ofl, int argc) 197 { 198 if (Plibpath && (Llibdir || Ulibdir)) { 199 eprintf(ofl->ofl_lml, ERR_FATAL, MSG_INTL(MSG_ARG_YP), 200 Llibdir ? 'L' : 'U'); 201 ofl->ofl_flags |= FLG_OF_FATAL; 202 } 203 204 if (rflag) { 205 if (dflag == SET_UNKNOWN) 206 dflag = SET_FALSE; 207 if (ofl->ofl_flags1 & FLG_OF1_RELCNT) { 208 eprintf(ofl->ofl_lml, ERR_WARNING, 209 MSG_INTL(MSG_ARG_INCOMP), MSG_ORIG(MSG_ARG_R), 210 MSG_ORIG(MSG_ARG_ZCOMBRELOC)); 211 ofl->ofl_flags1 &= ~FLG_OF1_RELCNT; 212 } 213 ofl->ofl_flags |= FLG_OF_RELOBJ; 214 } 215 216 if (zdflag == SET_TRUE) 217 ofl->ofl_flags |= FLG_OF_NOUNDEF; 218 219 if (zinflag) 220 ofl->ofl_dtflags_1 |= DF_1_INTERPOSE; 221 222 if (sflag) 223 ofl->ofl_flags |= FLG_OF_STRIP; 224 225 if (Qflag == SET_TRUE) 226 ofl->ofl_flags |= FLG_OF_ADDVERS; 227 228 if (Blflag) 229 ofl->ofl_flags |= FLG_OF_AUTOLCL; 230 231 if (Beflag) 232 ofl->ofl_flags1 |= FLG_OF1_AUTOELM; 233 234 if (Blflag && Beflag) { 235 eprintf(ofl->ofl_lml, ERR_FATAL, MSG_INTL(MSG_ARG_INCOMP), 236 MSG_ORIG(MSG_ARG_BELIMINATE), MSG_ORIG(MSG_ARG_BLOCAL)); 237 ofl->ofl_flags |= FLG_OF_FATAL; 238 } 239 240 if (ofl->ofl_interp && (ofl->ofl_flags1 & FLG_OF1_NOINTRP)) { 241 eprintf(ofl->ofl_lml, ERR_FATAL, MSG_INTL(MSG_ARG_INCOMP), 242 MSG_ORIG(MSG_ARG_CI), MSG_ORIG(MSG_ARG_ZNOINTERP)); 243 ofl->ofl_flags |= FLG_OF_FATAL; 244 } 245 246 if (dflag != SET_FALSE) { 247 /* 248 * Set -Bdynamic on by default, setting is rechecked as input 249 * files are processed. 250 */ 251 ofl->ofl_flags |= 252 (FLG_OF_DYNAMIC | FLG_OF_DYNLIBS | FLG_OF_PROCRED); 253 254 if (aflag) { 255 eprintf(ofl->ofl_lml, ERR_FATAL, 256 MSG_INTL(MSG_ARG_INCOMP), MSG_ORIG(MSG_ARG_DY), 257 MSG_ORIG(MSG_ARG_A)); 258 ofl->ofl_flags |= FLG_OF_FATAL; 259 } 260 261 if (bflag) 262 ofl->ofl_flags |= FLG_OF_BFLAG; 263 264 if (Bgflag == TRUE) { 265 if (zdflag == SET_FALSE) { 266 eprintf(ofl->ofl_lml, ERR_FATAL, 267 MSG_INTL(MSG_ARG_INCOMP), 268 MSG_ORIG(MSG_ARG_BGROUP), 269 MSG_ORIG(MSG_ARG_ZNODEF)); 270 ofl->ofl_flags |= FLG_OF_FATAL; 271 } 272 ofl->ofl_dtflags_1 |= DF_1_GROUP; 273 ofl->ofl_flags |= FLG_OF_NOUNDEF; 274 } 275 276 /* 277 * If the use of default library searching has been suppressed 278 * but no runpaths have been provided we're going to have a hard 279 * job running this object. 280 */ 281 if ((ofl->ofl_dtflags_1 & DF_1_NODEFLIB) && !ofl->ofl_rpath) 282 eprintf(ofl->ofl_lml, ERR_WARNING, 283 MSG_INTL(MSG_ARG_NODEFLIB)); 284 285 /* 286 * By default, text relocation warnings are given when building 287 * an executable unless the -b flag is specified. This option 288 * implies that unclean text can be created, so no warnings are 289 * generated unless specifically asked for. 290 */ 291 if ((ztflag == MSG_ORIG(MSG_ARG_ZTEXTOFF)) || 292 ((ztflag == 0) && bflag)) 293 ofl->ofl_flags1 |= FLG_OF1_TEXTOFF; 294 else if (ztflag == MSG_ORIG(MSG_ARG_ZTEXT)) 295 ofl->ofl_flags |= FLG_OF_PURETXT; 296 297 if (Gflag || !rflag) { 298 /* 299 * Create a dynamic object. -Bdirect indicates that all 300 * references should be bound directly. This also 301 * enables lazyloading. Individual symbols can be 302 * bound directly (or not) using mapfiles and the 303 * DIRECT (NODIRECT) qualifier. With this capability, 304 * each syminfo entry is tagged SYMINFO_FLG_DIRECTBIND. 305 * Prior to this per-symbol direct binding, runtime 306 * direct binding was controlled via the DF_1_DIRECT 307 * flag. This flag affected all references from the 308 * object. -Bdirect continues to set this flag, and 309 * thus provides a means of taking a newly built 310 * direct binding object back to older systems. 311 * 312 * NOTE, any use of per-symbol NODIRECT bindings, or 313 * -znodirect, will disable the creation of the 314 * DF_1_DIRECT flag. Older runtime linkers do not 315 * have the capability to do per-symbol direct bindings. 316 */ 317 if (Bdflag == SET_TRUE) { 318 ofl->ofl_dtflags_1 |= DF_1_DIRECT; 319 ofl->ofl_flags1 |= FLG_OF1_LAZYLD; 320 ofl->ofl_flags |= FLG_OF_SYMINFO; 321 } 322 323 /* 324 * -Bnodirect disables directly binding to any symbols 325 * exported from the object being created. Individual 326 * references to external objects can still be affected 327 * by -zdirect or mapfile DIRECT directives. 328 */ 329 if (Bdflag == SET_FALSE) { 330 ofl->ofl_dtflags_1 |= DF_1_NODIRECT; 331 ofl->ofl_flags1 |= 332 (FLG_OF1_NDIRECT | FLG_OF1_ALNODIR); 333 ofl->ofl_flags |= FLG_OF_SYMINFO; 334 } 335 } 336 337 if (!Gflag && !rflag) { 338 /* 339 * Dynamically linked executable. 340 */ 341 ofl->ofl_flags |= FLG_OF_EXEC; 342 343 if (zdflag != SET_FALSE) 344 ofl->ofl_flags |= FLG_OF_NOUNDEF; 345 346 if (Bsflag) { 347 eprintf(ofl->ofl_lml, ERR_FATAL, 348 MSG_INTL(MSG_ARG_DYNINCOMP), 349 MSG_ORIG(MSG_ARG_BSYMBOLIC)); 350 ofl->ofl_flags |= FLG_OF_FATAL; 351 } 352 if (ofl->ofl_soname) { 353 eprintf(ofl->ofl_lml, ERR_FATAL, 354 MSG_INTL(MSG_ARG_DYNINCOMP), 355 MSG_ORIG(MSG_ARG_H)); 356 ofl->ofl_flags |= FLG_OF_FATAL; 357 } 358 if (Btflag) { 359 eprintf(ofl->ofl_lml, ERR_FATAL, 360 MSG_INTL(MSG_ARG_DYNINCOMP), 361 MSG_ORIG(MSG_ARG_BTRANS)); 362 ofl->ofl_flags |= FLG_OF_FATAL; 363 } 364 if (ofl->ofl_filtees) { 365 if (ofl->ofl_flags & FLG_OF_AUX) { 366 eprintf(ofl->ofl_lml, ERR_FATAL, 367 MSG_INTL(MSG_ARG_DYNINCOMP), 368 MSG_ORIG(MSG_ARG_F)); 369 } else { 370 eprintf(ofl->ofl_lml, ERR_FATAL, 371 MSG_INTL(MSG_ARG_DYNINCOMP), 372 MSG_ORIG(MSG_ARG_CF)); 373 } 374 ofl->ofl_flags |= FLG_OF_FATAL; 375 } 376 377 } else if (!rflag) { 378 /* 379 * Shared library. 380 */ 381 ofl->ofl_flags |= FLG_OF_SHAROBJ; 382 383 /* 384 * By default we print relocation errors for 385 * executables but *not* for a shared object 386 */ 387 if (ztflag == 0) 388 ofl->ofl_flags1 |= FLG_OF1_TEXTOFF; 389 390 if (Bsflag) { 391 ofl->ofl_flags |= FLG_OF_SYMBOLIC; 392 ofl->ofl_dtflags |= DF_SYMBOLIC; 393 } 394 395 if (Btflag) { 396 ofl->ofl_dtflags_1 |= 397 (DF_1_TRANS | DF_1_DIRECT); 398 ofl->ofl_flags |= FLG_OF_SYMINFO; 399 } 400 401 } else { 402 /* 403 * Dynamic relocatable object 404 */ 405 /* 406 * By default we print relocation errors for 407 * executables but *not* for a shared object 408 */ 409 if (ztflag == 0) 410 ofl->ofl_flags1 |= FLG_OF1_TEXTOFF; 411 } 412 } else { 413 ofl->ofl_flags |= FLG_OF_STATIC; 414 415 if (bflag) { 416 eprintf(ofl->ofl_lml, ERR_FATAL, 417 MSG_INTL(MSG_ARG_INCOMP), MSG_ORIG(MSG_ARG_DN), 418 MSG_ORIG(MSG_ARG_B)); 419 ofl->ofl_flags |= FLG_OF_FATAL; 420 } 421 if (ofl->ofl_soname) { 422 eprintf(ofl->ofl_lml, ERR_FATAL, 423 MSG_INTL(MSG_ARG_INCOMP), MSG_ORIG(MSG_ARG_DN), 424 MSG_ORIG(MSG_ARG_H)); 425 ofl->ofl_flags |= FLG_OF_FATAL; 426 } 427 if (ofl->ofl_depaudit) { 428 eprintf(ofl->ofl_lml, ERR_FATAL, 429 MSG_INTL(MSG_ARG_INCOMP), MSG_ORIG(MSG_ARG_DN), 430 MSG_ORIG(MSG_ARG_P)); 431 ofl->ofl_flags |= FLG_OF_FATAL; 432 } 433 if (ofl->ofl_audit) { 434 eprintf(ofl->ofl_lml, ERR_FATAL, 435 MSG_INTL(MSG_ARG_INCOMP), MSG_ORIG(MSG_ARG_DN), 436 MSG_ORIG(MSG_ARG_CP)); 437 ofl->ofl_flags |= FLG_OF_FATAL; 438 } 439 if (ofl->ofl_config) { 440 eprintf(ofl->ofl_lml, ERR_FATAL, 441 MSG_INTL(MSG_ARG_INCOMP), MSG_ORIG(MSG_ARG_DN), 442 MSG_ORIG(MSG_ARG_C)); 443 ofl->ofl_flags |= FLG_OF_FATAL; 444 } 445 if (ofl->ofl_filtees) { 446 if (ofl->ofl_flags & FLG_OF_AUX) { 447 eprintf(ofl->ofl_lml, ERR_FATAL, 448 MSG_INTL(MSG_ARG_INCOMP), 449 MSG_ORIG(MSG_ARG_DN), MSG_ORIG(MSG_ARG_F)); 450 } else { 451 eprintf(ofl->ofl_lml, ERR_FATAL, 452 MSG_INTL(MSG_ARG_INCOMP), 453 MSG_ORIG(MSG_ARG_DN), MSG_ORIG(MSG_ARG_CF)); 454 } 455 ofl->ofl_flags |= FLG_OF_FATAL; 456 } 457 if (ztflag) { 458 eprintf(ofl->ofl_lml, ERR_FATAL, 459 MSG_INTL(MSG_ARG_INCOMP), MSG_ORIG(MSG_ARG_DN), 460 MSG_ORIG(MSG_ARG_ZTEXTALL)); 461 ofl->ofl_flags |= FLG_OF_FATAL; 462 } 463 if (Gflag) { 464 eprintf(ofl->ofl_lml, ERR_FATAL, 465 MSG_INTL(MSG_ARG_INCOMP), MSG_ORIG(MSG_ARG_DN), 466 MSG_ORIG(MSG_ARG_CG)); 467 ofl->ofl_flags |= FLG_OF_FATAL; 468 } 469 if (aflag && rflag) { 470 eprintf(ofl->ofl_lml, ERR_FATAL, 471 MSG_INTL(MSG_ARG_INCOMP), MSG_ORIG(MSG_ARG_A), 472 MSG_ORIG(MSG_ARG_R)); 473 ofl->ofl_flags |= FLG_OF_FATAL; 474 } 475 476 if (rflag) { 477 /* 478 * We can only strip the symbol table and string table 479 * if no output relocations will refer to them 480 */ 481 if (sflag) { 482 eprintf(ofl->ofl_lml, ERR_WARNING, 483 MSG_INTL(MSG_ARG_STRIP)); 484 } 485 486 if (ztflag == 0) 487 ofl->ofl_flags1 |= FLG_OF1_TEXTOFF; 488 489 if (ofl->ofl_interp) { 490 eprintf(ofl->ofl_lml, ERR_FATAL, 491 MSG_INTL(MSG_ARG_INCOMP), 492 MSG_ORIG(MSG_ARG_R), MSG_ORIG(MSG_ARG_CI)); 493 ofl->ofl_flags |= FLG_OF_FATAL; 494 } 495 } else { 496 /* 497 * Static executable. 498 */ 499 ofl->ofl_flags |= FLG_OF_EXEC | FLG_OF_PROCRED; 500 501 if (zdflag != SET_FALSE) 502 ofl->ofl_flags |= FLG_OF_NOUNDEF; 503 } 504 } 505 506 /* 507 * If the user didn't supply an output file name supply a default. 508 */ 509 if (ofl->ofl_name == NULL) 510 ofl->ofl_name = MSG_ORIG(MSG_STR_AOUT); 511 512 /* 513 * We set the entrance criteria after all input argument processing as 514 * it is only at this point we're sure what the output image will be 515 * (static or dynamic). 516 */ 517 if (ld_ent_setup(ofl, M_SEGM_ALIGN) == S_ERROR) 518 return (S_ERROR); 519 520 /* 521 * Initialize string tables. Symbol definitions within mapfiles can 522 * result in the creation of input sections. 523 */ 524 if (ld_init_strings(ofl) == S_ERROR) 525 return (S_ERROR); 526 527 /* 528 * Process any mapfiles after establishing the entrance criteria as 529 * the user may be redefining or adding sections/segments. 530 */ 531 if (ofl->ofl_maps.head) { 532 Listnode *lnp; 533 const char *name; 534 535 for (LIST_TRAVERSE(&ofl->ofl_maps, lnp, name)) 536 if (ld_map_parse(name, ofl) == S_ERROR) 537 return (S_ERROR); 538 539 if (ofl->ofl_flags & FLG_OF_SEGSORT) 540 if (ld_sort_seg_list(ofl) == S_ERROR) 541 return (S_ERROR); 542 } 543 544 /* 545 * If -zloadfltr is set, verify that filtering is in effect. Filters 546 * are either established from the command line, and affect the whole 547 * object, or are set on a per-symbol basis from a mapfile. 548 */ 549 if (zlflag) { 550 if ((ofl->ofl_filtees == 0) && (ofl->ofl_dtsfltrs == 0)) { 551 eprintf(ofl->ofl_lml, ERR_FATAL, 552 MSG_INTL(MSG_ARG_NOFLTR), 553 MSG_ORIG(MSG_ARG_ZLOADFLTR)); 554 ofl->ofl_flags |= FLG_OF_FATAL; 555 } 556 ofl->ofl_dtflags_1 |= DF_1_LOADFLTR; 557 } 558 559 /* 560 * Check that we have something to work with. This check is carried out 561 * after mapfile processing as its possible a mapfile is being used to 562 * define symbols, in which case it would be sufficient to build the 563 * output file purely from the mapfile. 564 */ 565 if ((ofl->ofl_objscnt == 0) && (ofl->ofl_soscnt == 0)) { 566 if (Vflag && (argc == 2)) 567 ofl->ofl_flags1 |= FLG_OF1_DONE; 568 else { 569 eprintf(ofl->ofl_lml, ERR_FATAL, 570 MSG_INTL(MSG_ARG_NOFILES)); 571 return (S_ERROR); 572 } 573 } 574 return (1); 575 } 576 577 /* 578 * Decompose the string pointed by optarg into argv[][] so that argv[][] can be 579 * used as an argument to getopt(). 580 * 581 * If the second argument 'error' is not 0, then this is called from the first 582 * pass. Else this is called from the second pass. 583 */ 584 static uintptr_t 585 createargv(Ofl_desc *ofl, int *error) 586 { 587 int argc = 0, idx = 0, ooptind; 588 uintptr_t ret; 589 char **argv, *p0; 590 591 /* 592 * The argument being examined is either: 593 * ld32= or 594 * ld64= 595 */ 596 #if defined(_LP64) 597 if (optarg[2] == '3') 598 return (0); 599 #else 600 if (optarg[2] == '6') 601 return (0); 602 #endif 603 604 p0 = &optarg[5]; 605 606 /* 607 * Count the number of arguments. 608 */ 609 while (*p0) { 610 /* 611 * Pointing at non-separator character. 612 */ 613 if (*p0 != ',') { 614 argc++; 615 while (*p0 && (*p0 != ',')) 616 p0++; 617 continue; 618 } 619 620 /* 621 * Pointing at a separator character. 622 */ 623 if (*p0 == ',') { 624 while (*p0 == ',') 625 p0++; 626 continue; 627 } 628 } 629 630 if (argc == 0) 631 return (0); 632 633 /* 634 * Allocate argument vector. 635 */ 636 if ((p0 = (char *)strdup(&optarg[5])) == 0) 637 return (S_ERROR); 638 if ((argv = libld_malloc((sizeof (char *)) * (argc + 1))) == 0) 639 return (S_ERROR); 640 641 while (*p0) { 642 char *p; 643 644 /* 645 * Pointing at the beginning of non-separator character string. 646 */ 647 if (*p0 != ',') { 648 p = p0; 649 while (*p0 && (*p0 != ',')) 650 p0++; 651 argv[idx++] = p; 652 if (*p0) { 653 *p0 = '\0'; 654 p0++; 655 } 656 continue; 657 } 658 659 /* 660 * Pointing at the beginining of separator character string. 661 */ 662 if (*p0 == ',') { 663 while (*p0 == ',') 664 p0++; 665 continue; 666 } 667 } 668 argv[idx] = 0; 669 ooptind = optind; 670 optind = 0; 671 672 /* 673 * Dispatch to pass1 or pass2 674 */ 675 if (error) 676 ret = process_flags_com(ofl, argc, argv, error); 677 else 678 ret = process_files_com(ofl, argc, argv); 679 680 optind = ooptind; 681 682 if (ret == S_ERROR) 683 return (S_ERROR); 684 685 return (argc); 686 } 687 688 /* 689 * Parsing options pass1 for process_flags(). 690 */ 691 static uintptr_t 692 parseopt_pass1(Ofl_desc *ofl, int argc, char **argv, int *error) 693 { 694 int c; 695 696 while ((c = getopt(argc, argv, MSG_ORIG(MSG_STR_OPTIONS))) != -1) { 697 DBG_CALL(Dbg_args_flags(ofl->ofl_lml, (optind - 1), c)); 698 699 switch (c) { 700 case '6': /* Processed by ld to */ 701 /* 702 * -64 is processed by ld to determine the output class. 703 * Here we sanity check the option incase some other 704 * -6* option is mistakenly passed to us. 705 */ 706 if (optarg[0] != '4') { 707 eprintf(ofl->ofl_lml, ERR_FATAL, 708 MSG_INTL(MSG_ARG_ILLEGAL), 709 MSG_ORIG(MSG_ARG_6), optarg); 710 ofl->ofl_flags |= FLG_OF_FATAL; 711 } 712 continue; 713 714 case 'a': 715 aflag = TRUE; 716 break; 717 718 case 'b': 719 bflag = TRUE; 720 break; 721 722 case 'c': 723 if (ofl->ofl_config) 724 eprintf(ofl->ofl_lml, ERR_WARNING, 725 MSG_INTL(MSG_ARG_MTONCE), 726 MSG_ORIG(MSG_ARG_C)); 727 else 728 ofl->ofl_config = optarg; 729 break; 730 731 case 'C': 732 demangle_flag = 1; 733 break; 734 735 case 'd': 736 if ((optarg[0] == 'n') && (optarg[1] == '\0')) { 737 if (dflag != SET_UNKNOWN) 738 eprintf(ofl->ofl_lml, ERR_WARNING, 739 MSG_INTL(MSG_ARG_MTONCE), 740 MSG_ORIG(MSG_ARG_D)); 741 else 742 dflag = SET_FALSE; 743 } else if ((optarg[0] == 'y') && (optarg[1] == '\0')) { 744 if (dflag != SET_UNKNOWN) 745 eprintf(ofl->ofl_lml, ERR_WARNING, 746 MSG_INTL(MSG_ARG_MTONCE), 747 MSG_ORIG(MSG_ARG_D)); 748 else 749 dflag = SET_TRUE; 750 } else { 751 eprintf(ofl->ofl_lml, ERR_FATAL, 752 MSG_INTL(MSG_ARG_ILLEGAL), 753 MSG_ORIG(MSG_ARG_D), optarg); 754 ofl->ofl_flags |= FLG_OF_FATAL; 755 } 756 break; 757 758 case 'e': 759 if (ofl->ofl_entry) 760 eprintf(ofl->ofl_lml, ERR_WARNING, 761 MSG_INTL(MSG_ARG_MTONCE), 762 MSG_ORIG(MSG_ARG_E)); 763 else 764 ofl->ofl_entry = (void *)optarg; 765 break; 766 767 case 'f': 768 if (ofl->ofl_filtees && 769 (!(ofl->ofl_flags & FLG_OF_AUX))) { 770 eprintf(ofl->ofl_lml, ERR_FATAL, 771 MSG_INTL(MSG_ARG_INCOMP), 772 MSG_ORIG(MSG_ARG_F), MSG_ORIG(MSG_ARG_CF)); 773 ofl->ofl_flags |= FLG_OF_FATAL; 774 } else { 775 if ((ofl->ofl_filtees = 776 add_string(ofl->ofl_filtees, optarg)) == 777 (const char *)S_ERROR) 778 return (S_ERROR); 779 ofl->ofl_flags |= FLG_OF_AUX; 780 } 781 break; 782 783 case 'F': 784 if (ofl->ofl_filtees && 785 (ofl->ofl_flags & FLG_OF_AUX)) { 786 eprintf(ofl->ofl_lml, ERR_FATAL, 787 MSG_INTL(MSG_ARG_INCOMP), 788 MSG_ORIG(MSG_ARG_CF), MSG_ORIG(MSG_ARG_F)); 789 ofl->ofl_flags |= FLG_OF_FATAL; 790 } else { 791 if ((ofl->ofl_filtees = 792 add_string(ofl->ofl_filtees, optarg)) == 793 (const char *)S_ERROR) 794 return (S_ERROR); 795 } 796 break; 797 798 case 'h': 799 if (ofl->ofl_soname) 800 eprintf(ofl->ofl_lml, ERR_WARNING, 801 MSG_INTL(MSG_ARG_MTONCE), 802 MSG_ORIG(MSG_ARG_H)); 803 else 804 ofl->ofl_soname = (const char *)optarg; 805 break; 806 807 case 'i': 808 ofl->ofl_flags |= FLG_OF_IGNENV; 809 break; 810 811 case 'I': 812 if (ofl->ofl_interp) 813 eprintf(ofl->ofl_lml, ERR_WARNING, 814 MSG_INTL(MSG_ARG_MTONCE), 815 MSG_ORIG(MSG_ARG_CI)); 816 else 817 ofl->ofl_interp = (const char *)optarg; 818 break; 819 820 case 'l': 821 /* 822 * For now, count any library as a shared object. This 823 * is used to size the internal symbol cache. This 824 * value is recalculated later on actual file processing 825 * to get an accurate shared object count. 826 */ 827 ofl->ofl_soscnt++; 828 break; 829 830 case 'm': 831 ofl->ofl_flags |= FLG_OF_GENMAP; 832 break; 833 834 case 'o': 835 if (ofl->ofl_name) 836 eprintf(ofl->ofl_lml, ERR_WARNING, 837 MSG_INTL(MSG_ARG_MTONCE), 838 MSG_ORIG(MSG_ARG_O)); 839 else 840 ofl->ofl_name = (const char *)optarg; 841 break; 842 843 case 'p': 844 /* 845 * Multiple instances of this option may occur. Each 846 * additional instance is effectively concatenated to 847 * the previous separated by a colon. 848 */ 849 if (*optarg != '\0') { 850 if ((ofl->ofl_audit = 851 add_string(ofl->ofl_audit, 852 optarg)) == (const char *)S_ERROR) 853 return (S_ERROR); 854 } 855 break; 856 857 case 'P': 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_depaudit = 865 add_string(ofl->ofl_depaudit, 866 optarg)) == (const char *)S_ERROR) 867 return (S_ERROR); 868 } 869 break; 870 871 case 'r': 872 rflag = TRUE; 873 break; 874 875 case 'R': 876 /* 877 * Multiple instances of this option may occur. Each 878 * additional instance is effectively concatenated to 879 * the previous separated by a colon. 880 */ 881 if (*optarg != '\0') { 882 if ((ofl->ofl_rpath = 883 add_string(ofl->ofl_rpath, 884 optarg)) == (const char *)S_ERROR) 885 return (S_ERROR); 886 } 887 break; 888 889 case 's': 890 sflag = TRUE; 891 break; 892 893 case 't': 894 ofl->ofl_flags |= FLG_OF_NOWARN; 895 break; 896 897 case 'u': 898 break; 899 900 case 'z': 901 /* 902 * For specific help, print our usage message and exit 903 * immediately to ensure a 0 return code. 904 */ 905 if (strncmp(optarg, MSG_ORIG(MSG_ARG_HELP), 906 MSG_ARG_HELP_SIZE) == 0) { 907 usage_mesg(1); 908 exit(0); 909 } 910 911 /* 912 * For some options set a flag - further consistancy 913 * checks will be carried out in check_flags(). 914 */ 915 if ((strncmp(optarg, MSG_ORIG(MSG_ARG_LD32), 916 MSG_ARG_LD32_SIZE) == 0) || 917 (strncmp(optarg, MSG_ORIG(MSG_ARG_LD64), 918 MSG_ARG_LD64_SIZE) == 0)) { 919 if (createargv(ofl, error) == S_ERROR) 920 return (S_ERROR); 921 922 } else if ( 923 strcmp(optarg, MSG_ORIG(MSG_ARG_DEFS)) == 0) { 924 if (zdflag != SET_UNKNOWN) 925 eprintf(ofl->ofl_lml, ERR_WARNING, 926 MSG_INTL(MSG_ARG_MTONCE), 927 MSG_ORIG(MSG_ARG_ZDEFNODEF)); 928 else 929 zdflag = SET_TRUE; 930 } else if (strcmp(optarg, 931 MSG_ORIG(MSG_ARG_NODEFS)) == 0) { 932 if (zdflag != SET_UNKNOWN) 933 eprintf(ofl->ofl_lml, ERR_WARNING, 934 MSG_INTL(MSG_ARG_MTONCE), 935 MSG_ORIG(MSG_ARG_ZDEFNODEF)); 936 else 937 zdflag = SET_FALSE; 938 } else if (strcmp(optarg, 939 MSG_ORIG(MSG_ARG_TEXT)) == 0) { 940 if (ztflag && 941 (ztflag != MSG_ORIG(MSG_ARG_ZTEXT))) { 942 eprintf(ofl->ofl_lml, ERR_FATAL, 943 MSG_INTL(MSG_ARG_INCOMP), 944 MSG_ORIG(MSG_ARG_ZTEXT), 945 ztflag); 946 ofl->ofl_flags |= FLG_OF_FATAL; 947 } 948 ztflag = MSG_ORIG(MSG_ARG_ZTEXT); 949 } else if (strcmp(optarg, 950 MSG_ORIG(MSG_ARG_TEXTOFF)) == 0) { 951 if (ztflag && 952 (ztflag != MSG_ORIG(MSG_ARG_ZTEXTOFF))) { 953 eprintf(ofl->ofl_lml, ERR_FATAL, 954 MSG_INTL(MSG_ARG_INCOMP), 955 MSG_ORIG(MSG_ARG_ZTEXTOFF), 956 ztflag); 957 ofl->ofl_flags |= FLG_OF_FATAL; 958 } 959 ztflag = MSG_ORIG(MSG_ARG_ZTEXTOFF); 960 } else if (strcmp(optarg, 961 MSG_ORIG(MSG_ARG_TEXTWARN)) == 0) { 962 if (ztflag && 963 (ztflag != MSG_ORIG(MSG_ARG_ZTEXTWARN))) { 964 eprintf(ofl->ofl_lml, ERR_FATAL, 965 MSG_INTL(MSG_ARG_INCOMP), 966 MSG_ORIG(MSG_ARG_ZTEXTWARN), 967 ztflag); 968 ofl->ofl_flags |= FLG_OF_FATAL; 969 } 970 ztflag = MSG_ORIG(MSG_ARG_ZTEXTWARN); 971 972 /* 973 * For other options simply set the ofl flags directly. 974 */ 975 } else if (strcmp(optarg, 976 MSG_ORIG(MSG_ARG_RESCAN)) == 0) { 977 ofl->ofl_flags1 |= FLG_OF1_RESCAN; 978 } else if (strcmp(optarg, 979 MSG_ORIG(MSG_ARG_ABSEXEC)) == 0) { 980 ofl->ofl_flags1 |= FLG_OF1_ABSEXEC; 981 } else if (strcmp(optarg, 982 MSG_ORIG(MSG_ARG_LOADFLTR)) == 0) { 983 zlflag = TRUE; 984 } else if (strcmp(optarg, 985 MSG_ORIG(MSG_ARG_NORELOC)) == 0) { 986 ofl->ofl_dtflags_1 |= DF_1_NORELOC; 987 } else if (strcmp(optarg, 988 MSG_ORIG(MSG_ARG_NOVERSION)) == 0) { 989 ofl->ofl_flags |= FLG_OF_NOVERSEC; 990 } else if (strcmp(optarg, 991 MSG_ORIG(MSG_ARG_MULDEFS)) == 0) { 992 ofl->ofl_flags |= FLG_OF_MULDEFS; 993 } else if (strcmp(optarg, 994 MSG_ORIG(MSG_ARG_REDLOCSYM)) == 0) { 995 ofl->ofl_flags1 |= FLG_OF1_REDLSYM; 996 } else if (strcmp(optarg, 997 MSG_ORIG(MSG_ARG_INITFIRST)) == 0) { 998 ofl->ofl_dtflags_1 |= DF_1_INITFIRST; 999 } else if (strcmp(optarg, 1000 MSG_ORIG(MSG_ARG_NODELETE)) == 0) { 1001 ofl->ofl_dtflags_1 |= DF_1_NODELETE; 1002 } else if (strcmp(optarg, 1003 MSG_ORIG(MSG_ARG_NOPARTIAL)) == 0) { 1004 ofl->ofl_flags1 |= FLG_OF1_NOPARTI; 1005 } else if (strcmp(optarg, 1006 MSG_ORIG(MSG_ARG_NOOPEN)) == 0) { 1007 ofl->ofl_dtflags_1 |= DF_1_NOOPEN; 1008 } else if (strcmp(optarg, 1009 MSG_ORIG(MSG_ARG_NOW)) == 0) { 1010 ofl->ofl_dtflags_1 |= DF_1_NOW; 1011 ofl->ofl_dtflags |= DF_BIND_NOW; 1012 } else if (strcmp(optarg, 1013 MSG_ORIG(MSG_ARG_ORIGIN)) == 0) { 1014 ofl->ofl_dtflags_1 |= DF_1_ORIGIN; 1015 ofl->ofl_dtflags |= DF_ORIGIN; 1016 } else if (strcmp(optarg, 1017 MSG_ORIG(MSG_ARG_NODEFAULTLIB)) == 0) { 1018 ofl->ofl_dtflags_1 |= DF_1_NODEFLIB; 1019 } else if (strcmp(optarg, 1020 MSG_ORIG(MSG_ARG_NODUMP)) == 0) { 1021 ofl->ofl_dtflags_1 |= DF_1_NODUMP; 1022 } else if (strcmp(optarg, 1023 MSG_ORIG(MSG_ARG_ENDFILTEE)) == 0) { 1024 ofl->ofl_dtflags_1 |= DF_1_ENDFILTEE; 1025 } else if (strcmp(optarg, 1026 MSG_ORIG(MSG_ARG_VERBOSE)) == 0) { 1027 ofl->ofl_flags |= FLG_OF_VERBOSE; 1028 } else if (strcmp(optarg, 1029 MSG_ORIG(MSG_ARG_COMBRELOC)) == 0) { 1030 ofl->ofl_flags1 |= FLG_OF1_RELCNT; 1031 } else if (strcmp(optarg, 1032 MSG_ORIG(MSG_ARG_NOCOMPSTRTAB)) == 0) { 1033 ofl->ofl_flags1 |= FLG_OF1_NCSTTAB; 1034 } else if (strcmp(optarg, 1035 MSG_ORIG(MSG_ARG_NOINTERP)) == 0) { 1036 ofl->ofl_flags1 |= FLG_OF1_NOINTRP; 1037 } else if (strcmp(optarg, 1038 MSG_ORIG(MSG_ARG_INTERPOSE)) == 0) { 1039 zinflag = TRUE; 1040 } else if (strcmp(optarg, 1041 MSG_ORIG(MSG_ARG_IGNORE)) == 0) { 1042 ofl->ofl_flags1 |= FLG_OF1_IGNPRC; 1043 1044 /* 1045 * The following options just need validation as they 1046 * are interpreted on the second pass through the 1047 * command line arguments. 1048 */ 1049 } else if ( 1050 strncmp(optarg, MSG_ORIG(MSG_ARG_INITARRAY), 1051 MSG_ARG_INITARRAY_SIZE) && 1052 strncmp(optarg, MSG_ORIG(MSG_ARG_FINIARRAY), 1053 MSG_ARG_FINIARRAY_SIZE) && 1054 strncmp(optarg, MSG_ORIG(MSG_ARG_PREINITARRAY), 1055 MSG_ARG_PREINITARRAY_SIZE) && 1056 strncmp(optarg, MSG_ORIG(MSG_ARG_RTLDINFO), 1057 MSG_ARG_RTLDINFO_SIZE) && 1058 strncmp(optarg, MSG_ORIG(MSG_ARG_DTRACE), 1059 MSG_ARG_DTRACE_SIZE) && 1060 strcmp(optarg, MSG_ORIG(MSG_ARG_ALLEXTRT)) && 1061 strcmp(optarg, MSG_ORIG(MSG_ARG_DFLEXTRT)) && 1062 strcmp(optarg, MSG_ORIG(MSG_ARG_DIRECT)) && 1063 strcmp(optarg, MSG_ORIG(MSG_ARG_NODIRECT)) && 1064 strcmp(optarg, MSG_ORIG(MSG_ARG_GROUPPERM)) && 1065 strcmp(optarg, MSG_ORIG(MSG_ARG_LAZYLOAD)) && 1066 strcmp(optarg, MSG_ORIG(MSG_ARG_NOGROUPPERM)) && 1067 strcmp(optarg, MSG_ORIG(MSG_ARG_NOLAZYLOAD)) && 1068 strcmp(optarg, MSG_ORIG(MSG_ARG_RECORD)) && 1069 strcmp(optarg, MSG_ORIG(MSG_ARG_ALTEXEC64)) && 1070 strcmp(optarg, MSG_ORIG(MSG_ARG_WEAKEXT))) { 1071 eprintf(ofl->ofl_lml, ERR_FATAL, 1072 MSG_INTL(MSG_ARG_ILLEGAL), 1073 MSG_ORIG(MSG_ARG_Z), optarg); 1074 ofl->ofl_flags |= FLG_OF_FATAL; 1075 1076 } 1077 1078 break; 1079 1080 case 'D': 1081 /* 1082 * If we have not yet read any input files go ahead 1083 * and process any debugging options (this allows any 1084 * argument processing, entrance criteria and library 1085 * initialization to be displayed). Otherwise, if an 1086 * input file has been seen, skip interpretation until 1087 * process_files (this allows debugging to be turned 1088 * on and off around individual groups of files). 1089 */ 1090 if (ofl->ofl_objscnt == 0) { 1091 if (dbg_setup(optarg, dbg_desc, 1092 &ofl->ofl_name, 1) == S_ERROR) 1093 return (S_ERROR); 1094 } 1095 break; 1096 1097 case 'B': 1098 if (strcmp(optarg, MSG_ORIG(MSG_ARG_DIRECT)) == 0) { 1099 if (Bdflag == SET_FALSE) { 1100 eprintf(ofl->ofl_lml, ERR_FATAL, 1101 MSG_INTL(MSG_ARG_INCOMP), 1102 MSG_ORIG(MSG_ARG_BNODIRECT), 1103 MSG_ORIG(MSG_ARG_BDIRECT)); 1104 ofl->ofl_flags |= FLG_OF_FATAL; 1105 } else 1106 Bdflag = SET_TRUE; 1107 } else if (strcmp(optarg, 1108 MSG_ORIG(MSG_ARG_NODIRECT)) == 0) { 1109 if (Bdflag == SET_TRUE) { 1110 eprintf(ofl->ofl_lml, ERR_FATAL, 1111 MSG_INTL(MSG_ARG_INCOMP), 1112 MSG_ORIG(MSG_ARG_BDIRECT), 1113 MSG_ORIG(MSG_ARG_BNODIRECT)); 1114 ofl->ofl_flags |= FLG_OF_FATAL; 1115 } else 1116 Bdflag = SET_FALSE; 1117 } else if (strcmp(optarg, 1118 MSG_ORIG(MSG_STR_SYMBOLIC)) == 0) 1119 Bsflag = TRUE; 1120 else if (strcmp(optarg, MSG_ORIG(MSG_ARG_REDUCE)) == 0) 1121 ofl->ofl_flags |= FLG_OF_PROCRED; 1122 else if (strcmp(optarg, MSG_ORIG(MSG_STR_LOCAL)) == 0) 1123 Blflag = TRUE; 1124 else if (strcmp(optarg, 1125 MSG_ORIG(MSG_ARG_TRANSLATOR)) == 0) 1126 Btflag = TRUE; 1127 else if (strcmp(optarg, MSG_ORIG(MSG_ARG_GROUP)) == 0) 1128 Bgflag = TRUE; 1129 else if (strcmp(optarg, 1130 MSG_ORIG(MSG_STR_ELIMINATE)) == 0) 1131 Beflag = TRUE; 1132 else if (strcmp(optarg, MSG_ORIG(MSG_STR_LD_DYNAMIC)) && 1133 strcmp(optarg, MSG_ORIG(MSG_ARG_STATIC))) { 1134 eprintf(ofl->ofl_lml, ERR_FATAL, 1135 MSG_INTL(MSG_ARG_ILLEGAL), 1136 MSG_ORIG(MSG_ARG_CB), optarg); 1137 ofl->ofl_flags |= FLG_OF_FATAL; 1138 } 1139 break; 1140 1141 case 'G': 1142 Gflag = TRUE; 1143 break; 1144 1145 case 'L': 1146 break; 1147 1148 case 'M': 1149 if (list_appendc(&(ofl->ofl_maps), optarg) == 0) 1150 return (S_ERROR); 1151 break; 1152 1153 case 'N': 1154 break; 1155 1156 case 'Q': 1157 if ((optarg[0] == 'n') && (optarg[1] == '\0')) { 1158 if (Qflag != SET_UNKNOWN) 1159 eprintf(ofl->ofl_lml, ERR_WARNING, 1160 MSG_INTL(MSG_ARG_MTONCE), 1161 MSG_ORIG(MSG_ARG_CQ)); 1162 else 1163 Qflag = SET_FALSE; 1164 } else if ((optarg[0] == 'y') && (optarg[1] == '\0')) { 1165 if (Qflag != SET_UNKNOWN) 1166 eprintf(ofl->ofl_lml, ERR_WARNING, 1167 MSG_INTL(MSG_ARG_MTONCE), 1168 MSG_ORIG(MSG_ARG_CQ)); 1169 else 1170 Qflag = SET_TRUE; 1171 } else { 1172 eprintf(ofl->ofl_lml, ERR_FATAL, 1173 MSG_INTL(MSG_ARG_ILLEGAL), 1174 MSG_ORIG(MSG_ARG_CQ), optarg); 1175 ofl->ofl_flags |= FLG_OF_FATAL; 1176 } 1177 break; 1178 1179 case 'S': 1180 if (list_appendc(&lib_support, optarg) == 0) 1181 return (S_ERROR); 1182 break; 1183 1184 case 'V': 1185 if (!Vflag) 1186 (void) fprintf(stderr, MSG_ORIG(MSG_STR_STRNL), 1187 ofl->ofl_sgsid); 1188 Vflag = TRUE; 1189 break; 1190 1191 case 'Y': 1192 if (strncmp(optarg, MSG_ORIG(MSG_ARG_LCOM), 2) == 0) { 1193 if (Llibdir) 1194 eprintf(ofl->ofl_lml, ERR_WARNING, 1195 MSG_INTL(MSG_ARG_MTONCE), 1196 MSG_ORIG(MSG_ARG_CYL)); 1197 else 1198 Llibdir = optarg + 2; 1199 } else if (strncmp(optarg, 1200 MSG_ORIG(MSG_ARG_UCOM), 2) == 0) { 1201 if (Ulibdir) 1202 eprintf(ofl->ofl_lml, ERR_WARNING, 1203 MSG_INTL(MSG_ARG_MTONCE), 1204 MSG_ORIG(MSG_ARG_CYU)); 1205 else 1206 Ulibdir = optarg + 2; 1207 } else if (strncmp(optarg, 1208 MSG_ORIG(MSG_ARG_PCOM), 2) == 0) { 1209 if (Plibpath) 1210 eprintf(ofl->ofl_lml, ERR_WARNING, 1211 MSG_INTL(MSG_ARG_MTONCE), 1212 MSG_ORIG(MSG_ARG_CYP)); 1213 else 1214 Plibpath = optarg + 2; 1215 } else { 1216 eprintf(ofl->ofl_lml, ERR_FATAL, 1217 MSG_INTL(MSG_ARG_ILLEGAL), 1218 MSG_ORIG(MSG_ARG_CY), optarg); 1219 ofl->ofl_flags |= FLG_OF_FATAL; 1220 } 1221 break; 1222 1223 case '?': 1224 (*error)++; 1225 break; 1226 1227 default: 1228 break; 1229 } 1230 } 1231 return (1); 1232 } 1233 1234 /* 1235 * Parsing options pass2 for 1236 */ 1237 static uintptr_t 1238 parseopt_pass2(Ofl_desc *ofl, int argc, char **argv) 1239 { 1240 int c; 1241 1242 while ((c = getopt(argc, argv, MSG_ORIG(MSG_STR_OPTIONS))) != -1) { 1243 Ifl_desc *ifl; 1244 Sym_desc *sdp; 1245 1246 DBG_CALL(Dbg_args_flags(ofl->ofl_lml, (optind - 1), c)); 1247 switch (c) { 1248 case 'l': 1249 if (ld_find_library(optarg, ofl) == S_ERROR) 1250 return (S_ERROR); 1251 break; 1252 case 'B': 1253 if (strcmp(optarg, 1254 MSG_ORIG(MSG_STR_LD_DYNAMIC)) == 0) { 1255 if (ofl->ofl_flags & FLG_OF_DYNAMIC) 1256 ofl->ofl_flags |= 1257 FLG_OF_DYNLIBS; 1258 else { 1259 eprintf(ofl->ofl_lml, ERR_FATAL, 1260 MSG_INTL(MSG_ARG_INCOMP), 1261 MSG_ORIG(MSG_ARG_DN), 1262 MSG_ORIG(MSG_ARG_BDYNAMIC)); 1263 ofl->ofl_flags |= FLG_OF_FATAL; 1264 } 1265 } else if (strcmp(optarg, 1266 MSG_ORIG(MSG_ARG_STATIC)) == 0) 1267 ofl->ofl_flags &= ~FLG_OF_DYNLIBS; 1268 break; 1269 case 'L': 1270 if (ld_add_libdir(ofl, optarg) == S_ERROR) 1271 return (S_ERROR); 1272 break; 1273 case 'N': 1274 /* 1275 * Record DT_NEEDED string 1276 */ 1277 if (!(ofl->ofl_flags & FLG_OF_DYNAMIC)) { 1278 eprintf(ofl->ofl_lml, ERR_FATAL, 1279 MSG_INTL(MSG_ARG_INCOMP), 1280 MSG_ORIG(MSG_ARG_DN), 1281 MSG_ORIG(MSG_ARG_CN)); 1282 ofl->ofl_flags |= FLG_OF_FATAL; 1283 } 1284 if (((ifl = 1285 libld_calloc(1, sizeof (Ifl_desc))) == 0) || 1286 (list_appendc(&ofl->ofl_sos, ifl) == 0)) 1287 return (S_ERROR); 1288 1289 ifl->ifl_name = MSG_INTL(MSG_STR_COMMAND); 1290 ifl->ifl_soname = optarg; 1291 ifl->ifl_flags = (FLG_IF_NEEDSTR | 1292 FLG_IF_FILEREF | FLG_IF_DEPREQD); 1293 1294 break; 1295 case 'D': 1296 (void) dbg_setup(optarg, dbg_desc, 1297 &ofl->ofl_name, 2); 1298 break; 1299 case 'u': 1300 if (ld_sym_add_u(optarg, ofl) == 1301 (Sym_desc *)S_ERROR) 1302 return (S_ERROR); 1303 break; 1304 case 'z': 1305 if ((strncmp(optarg, MSG_ORIG(MSG_ARG_LD32), 1306 MSG_ARG_LD32_SIZE) == 0) || 1307 (strncmp(optarg, MSG_ORIG(MSG_ARG_LD64), 1308 MSG_ARG_LD64_SIZE) == 0)) { 1309 if (createargv(ofl, 0) == S_ERROR) 1310 return (S_ERROR); 1311 } else if (strcmp(optarg, 1312 MSG_ORIG(MSG_ARG_ALLEXTRT)) == 0) { 1313 ofl->ofl_flags1 |= FLG_OF1_ALLEXRT; 1314 ofl->ofl_flags1 &= ~FLG_OF1_WEAKEXT; 1315 } else if (strcmp(optarg, 1316 MSG_ORIG(MSG_ARG_WEAKEXT)) == 0) { 1317 ofl->ofl_flags1 |= FLG_OF1_WEAKEXT; 1318 ofl->ofl_flags1 &= ~FLG_OF1_ALLEXRT; 1319 } else if (strcmp(optarg, 1320 MSG_ORIG(MSG_ARG_DFLEXTRT)) == 0) { 1321 ofl->ofl_flags1 &= 1322 ~(FLG_OF1_ALLEXRT | FLG_OF1_WEAKEXT); 1323 } else if (strcmp(optarg, 1324 MSG_ORIG(MSG_ARG_DIRECT)) == 0) { 1325 ofl->ofl_flags1 |= FLG_OF1_ZDIRECT; 1326 } else if (strcmp(optarg, 1327 MSG_ORIG(MSG_ARG_NODIRECT)) == 0) { 1328 ofl->ofl_flags1 &= ~FLG_OF1_ZDIRECT; 1329 ofl->ofl_flags1 |= FLG_OF1_NDIRECT; 1330 } else if (strcmp(optarg, 1331 MSG_ORIG(MSG_ARG_IGNORE)) == 0) { 1332 ofl->ofl_flags1 |= FLG_OF1_IGNORE; 1333 } else if (strcmp(optarg, 1334 MSG_ORIG(MSG_ARG_RECORD)) == 0) { 1335 ofl->ofl_flags1 &= ~FLG_OF1_IGNORE; 1336 } else if (strcmp(optarg, 1337 MSG_ORIG(MSG_ARG_LAZYLOAD)) == 0) { 1338 ofl->ofl_flags1 |= FLG_OF1_LAZYLD; 1339 } else if (strcmp(optarg, 1340 MSG_ORIG(MSG_ARG_NOLAZYLOAD)) == 0) { 1341 ofl->ofl_flags1 &= ~ FLG_OF1_LAZYLD; 1342 } else if (strcmp(optarg, 1343 MSG_ORIG(MSG_ARG_GROUPPERM)) == 0) { 1344 ofl->ofl_flags1 |= FLG_OF1_GRPPRM; 1345 } else if (strcmp(optarg, 1346 MSG_ORIG(MSG_ARG_NOGROUPPERM)) == 0) { 1347 ofl->ofl_flags1 &= ~FLG_OF1_GRPPRM; 1348 } else if (strncmp(optarg, 1349 MSG_ORIG(MSG_ARG_INITARRAY), 1350 MSG_ARG_INITARRAY_SIZE) == 0) { 1351 if (((sdp = ld_sym_add_u(optarg + 1352 MSG_ARG_INITARRAY_SIZE, ofl)) == 1353 (Sym_desc *)S_ERROR) || 1354 (list_appendc(&ofl->ofl_initarray, 1355 sdp) == 0)) 1356 return (S_ERROR); 1357 } else if (strncmp(optarg, 1358 MSG_ORIG(MSG_ARG_FINIARRAY), 1359 MSG_ARG_FINIARRAY_SIZE) == 0) { 1360 if (((sdp = ld_sym_add_u(optarg + 1361 MSG_ARG_FINIARRAY_SIZE, ofl)) == 1362 (Sym_desc *)S_ERROR) || 1363 (list_appendc(&ofl->ofl_finiarray, 1364 sdp) == 0)) 1365 return (S_ERROR); 1366 } else if (strncmp(optarg, 1367 MSG_ORIG(MSG_ARG_PREINITARRAY), 1368 MSG_ARG_PREINITARRAY_SIZE) == 0) { 1369 if (((sdp = ld_sym_add_u(optarg + 1370 MSG_ARG_PREINITARRAY_SIZE, ofl)) == 1371 (Sym_desc *)S_ERROR) || 1372 (list_appendc(&ofl->ofl_preiarray, 1373 sdp) == 0)) 1374 return (S_ERROR); 1375 } else if (strncmp(optarg, 1376 MSG_ORIG(MSG_ARG_RTLDINFO), 1377 MSG_ARG_RTLDINFO_SIZE) == 0) { 1378 if (((sdp = ld_sym_add_u(optarg + 1379 MSG_ARG_RTLDINFO_SIZE, ofl)) == 1380 (Sym_desc *)S_ERROR) || 1381 (list_appendc(&ofl->ofl_rtldinfo, 1382 sdp) == 0)) 1383 return (S_ERROR); 1384 } else if (strncmp(optarg, 1385 MSG_ORIG(MSG_ARG_DTRACE), 1386 MSG_ARG_DTRACE_SIZE) == 0) { 1387 if ((sdp = ld_sym_add_u(optarg + 1388 MSG_ARG_DTRACE_SIZE, ofl)) == 1389 (Sym_desc *)S_ERROR) 1390 return (S_ERROR); 1391 ofl->ofl_dtracesym = sdp; 1392 } 1393 default: 1394 break; 1395 } 1396 } 1397 return (1); 1398 } 1399 1400 /* 1401 * 1402 * Pass 1 -- process_flags: collects all options and sets flags 1403 */ 1404 static uintptr_t 1405 process_flags_com(Ofl_desc *ofl, int argc, char **argv, int *e) 1406 { 1407 for (; optind < argc; optind++) { 1408 /* 1409 * If we detect some more options return to getopt(). 1410 * Checking argv[optind][1] against null prevents a forever 1411 * loop if an unadorned `-' argument is passed to us. 1412 */ 1413 while ((optind < argc) && (argv[optind][0] == '-')) { 1414 if (argv[optind][1] != '\0') { 1415 if (parseopt_pass1(ofl, argc, argv, e) == 1416 S_ERROR) 1417 return (S_ERROR); 1418 } else if (++optind < argc) 1419 continue; 1420 } 1421 if (optind >= argc) 1422 break; 1423 ofl->ofl_objscnt++; 1424 } 1425 return (1); 1426 } 1427 1428 uintptr_t 1429 ld_process_flags(Ofl_desc *ofl, int argc, char **argv) 1430 { 1431 int error = 0; /* Collect all argument errors before exit */ 1432 1433 if (argc < 2) { 1434 usage_mesg(FALSE); 1435 return (S_ERROR); 1436 } 1437 1438 /* 1439 * Option handling 1440 */ 1441 if (process_flags_com(ofl, argc, argv, &error) == S_ERROR) 1442 return (S_ERROR); 1443 1444 /* 1445 * Having parsed everything, did we have any errors. 1446 */ 1447 if (error) { 1448 usage_mesg(TRUE); 1449 return (S_ERROR); 1450 } 1451 1452 return (check_flags(ofl, argc)); 1453 } 1454 1455 /* 1456 * Pass 2 -- process_files: skips the flags collected in pass 1 and processes 1457 * files. 1458 */ 1459 static uintptr_t 1460 process_files_com(Ofl_desc *ofl, int argc, char **argv) 1461 { 1462 for (; optind < argc; optind++) { 1463 int fd; 1464 Ifl_desc *ifl; 1465 Rej_desc rej = { 0 }; 1466 1467 /* 1468 * If we detect some more options return to getopt(). 1469 * Checking argv[optind][1] against null prevents a forever 1470 * loop if an unadorned `-' argument is passed to us. 1471 */ 1472 while ((optind < argc) && (argv[optind][0] == '-')) { 1473 if (argv[optind][1] != '\0') { 1474 if (parseopt_pass2(ofl, argc, argv) == S_ERROR) 1475 return (S_ERROR); 1476 } else if (++optind < argc) 1477 continue; 1478 } 1479 if (optind >= argc) 1480 break; 1481 1482 if ((fd = open(argv[optind], O_RDONLY)) == -1) { 1483 int err = errno; 1484 1485 eprintf(ofl->ofl_lml, ERR_FATAL, 1486 MSG_INTL(MSG_SYS_OPEN), argv[optind], 1487 strerror(err)); 1488 ofl->ofl_flags |= FLG_OF_FATAL; 1489 continue; 1490 } 1491 1492 DBG_CALL(Dbg_args_files(ofl->ofl_lml, optind, argv[optind])); 1493 1494 ifl = ld_process_open(argv[optind], 0, fd, ofl, 1495 (FLG_IF_CMDLINE | FLG_IF_NEEDED), &rej); 1496 (void) close(fd); 1497 if (ifl == (Ifl_desc *)S_ERROR) 1498 return (S_ERROR); 1499 1500 /* 1501 * Check for mismatched input. 1502 */ 1503 if (rej.rej_type) { 1504 eprintf(ofl->ofl_lml, ERR_FATAL, 1505 MSG_INTL(reject[rej.rej_type]), 1506 rej.rej_name ? rej.rej_name : 1507 MSG_INTL(MSG_STR_UNKNOWN), conv_reject_desc(&rej)); 1508 ofl->ofl_flags |= FLG_OF_FATAL; 1509 return (1); 1510 } 1511 } 1512 return (1); 1513 } 1514 1515 uintptr_t 1516 ld_process_files(Ofl_desc *ofl, int argc, char **argv) 1517 { 1518 optind = 1; /* reinitialize optind */ 1519 1520 /* 1521 * Process command line files (taking into account any applicable 1522 * preseeding flags). Return if any fatal errors have occurred. 1523 */ 1524 if (process_files_com(ofl, argc, argv) == S_ERROR) 1525 return (S_ERROR); 1526 if (ofl->ofl_flags & FLG_OF_FATAL) 1527 return (1); 1528 1529 /* 1530 * Now that all command line files have been processed see if there are 1531 * any additional `needed' shared object dependencies. 1532 */ 1533 if (ofl->ofl_soneed.head) 1534 if (ld_finish_libs(ofl) == S_ERROR) 1535 return (S_ERROR); 1536 1537 /* 1538 * If rescanning archives is enabled, do so now to determine whether 1539 * there might still be members extracted to satisfy references from any 1540 * explicit objects. Continue until no new objects are extracted. Note 1541 * that this pass is carried out *after* processing any implicit objects 1542 * (above) as they may already have resolved any undefined references 1543 * from any explicit dependencies. 1544 */ 1545 if (ofl->ofl_flags1 & FLG_OF1_RESCAN) 1546 ofl->ofl_flags1 |= FLG_OF1_EXTRACT; 1547 while ((ofl->ofl_flags1 & (FLG_OF1_RESCAN | FLG_OF1_EXTRACT)) == 1548 (FLG_OF1_RESCAN | FLG_OF1_EXTRACT)) { 1549 Listnode *lnp; 1550 Ar_desc *adp; 1551 1552 ofl->ofl_flags1 &= ~FLG_OF1_EXTRACT; 1553 1554 DBG_CALL(Dbg_file_ar_rescan(ofl->ofl_lml)); 1555 1556 for (LIST_TRAVERSE(&ofl->ofl_ars, lnp, adp)) { 1557 const char *name = adp->ad_name; 1558 uintptr_t error; 1559 int fd; 1560 1561 /* 1562 * If this archive was processed with -z allextract, 1563 * then all members have already been extracted. 1564 */ 1565 if (adp->ad_elf == (Elf *)NULL) 1566 continue; 1567 1568 /* 1569 * Reopen the file. 1570 */ 1571 if ((fd = open(name, O_RDONLY)) == -1) { 1572 int err = errno; 1573 1574 eprintf(ofl->ofl_lml, ERR_FATAL, 1575 MSG_INTL(MSG_SYS_OPEN), name, 1576 strerror(err)); 1577 ofl->ofl_flags |= FLG_OF_FATAL; 1578 return (S_ERROR); 1579 } 1580 1581 /* 1582 * Reestablish any archive specific command line flags. 1583 */ 1584 ofl->ofl_flags1 &= ~MSK_OF1_ARCHIVE; 1585 ofl->ofl_flags1 |= (adp->ad_flags & MSK_OF1_ARCHIVE); 1586 1587 error = ld_process_archive(adp->ad_name, fd, adp, ofl); 1588 (void) close(fd); 1589 1590 if (error == S_ERROR) 1591 return (S_ERROR); 1592 if (ofl->ofl_flags & FLG_OF_FATAL) 1593 return (1); 1594 } 1595 } 1596 1597 /* 1598 * If debugging, provide statistics on each archives extraction, or flag 1599 * any archive that has provided no members. Note that this could be a 1600 * nice place to free up much of the archive infrastructure, as we've 1601 * extracted any members we need. However, as we presently don't free 1602 * anything under ld(1) there's not much point in proceeding further. 1603 */ 1604 DBG_CALL(Dbg_statistics_ar(ofl)); 1605 1606 /* 1607 * If any version definitions have been established, either via input 1608 * from a mapfile or from the input relocatable objects, make sure any 1609 * version dependencies are satisfied, and version symbols created. 1610 */ 1611 if (ofl->ofl_verdesc.head) 1612 if (ld_vers_check_defs(ofl) == S_ERROR) 1613 return (S_ERROR); 1614 1615 /* 1616 * If segment ordering was specified (using mapfile) verify things 1617 * are ok. 1618 */ 1619 if (ofl->ofl_flags & FLG_OF_SEGORDER) 1620 ld_ent_check(ofl); 1621 1622 return (1); 1623 } 1624 1625 uintptr_t 1626 ld_init_strings(Ofl_desc *ofl) 1627 { 1628 uint_t stflags; 1629 1630 if (ofl->ofl_flags1 & FLG_OF1_NCSTTAB) 1631 stflags = 0; 1632 else 1633 stflags = FLG_STNEW_COMPRESS; 1634 1635 if (((ofl->ofl_shdrsttab = st_new(stflags)) == 0) || 1636 ((ofl->ofl_strtab = st_new(stflags)) == 0) || 1637 ((ofl->ofl_dynstrtab = st_new(stflags)) == 0)) 1638 return (S_ERROR); 1639 1640 return (0); 1641 } 1642