Changes in / [af2254ec:0dc2fec] in mainline
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.bzrignore
raf2254ec r0dc2fec 35 35 uspace/app/devctl/devctl 36 36 uspace/app/dltest/dltest 37 uspace/app/dltests/dltests 37 38 uspace/app/dnscfg/dnscfg 38 39 uspace/app/dnsres/dnsres … … 96 97 uspace/dist/app/devctl 97 98 uspace/dist/app/dltest 99 uspace/dist/app/dltests 98 100 uspace/dist/app/dnscfg 99 101 uspace/dist/app/dnsres -
abi/include/abi/elf.h
raf2254ec r0dc2fec 157 157 #define STT_SECTION 3 158 158 #define STT_FILE 4 159 #define STT_TLS 6 159 160 #define STT_LOPROC 13 160 161 #define STT_HIPROC 15 … … 170 171 #define PT_SHLIB 5 171 172 #define PT_PHDR 6 173 #define PT_TLS 7 172 174 #define PT_LOPROC 0x70000000 173 175 #define PT_HIPROC 0x7fffffff -
boot/Makefile.common
raf2254ec r0dc2fec 226 226 ifeq ($(CONFIG_BUILD_SHARED_LIBS), y) 227 227 RD_APPS_NON_ESSENTIAL += \ 228 $(USPACE_PATH)/app/dltest/dltest 228 $(USPACE_PATH)/app/dltest/dltest \ 229 $(USPACE_PATH)/app/dltests/dltests 229 230 endif 230 231 -
kernel/generic/src/lib/elf.c
raf2254ec r0dc2fec 163 163 case PT_LOAD: 164 164 return load_segment(entry, elf, as); 165 case PT_TLS: 166 break; 165 167 case PT_DYNAMIC: 166 168 case PT_INTERP: -
uspace/Makefile
raf2254ec r0dc2fec 41 41 app/corecfg \ 42 42 app/devctl \ 43 app/dltest \44 43 app/dnscfg \ 45 44 app/dnsres \ … … 167 166 drv/platform/icp 168 167 168 169 169 ## Platform-specific hardware support 170 170 # … … 210 210 drv/fb/amdm37x_dispc \ 211 211 srv/hw/irc/icp-ic 212 endif 213 214 ## Dynamic linking tests 215 # 216 ifeq ($(CONFIG_BUILD_SHARED_LIBS),y) 217 DIRS += \ 218 app/dltest \ 219 app/dltests 212 220 endif 213 221 -
uspace/Makefile.common
raf2254ec r0dc2fec 191 191 ifeq ($(STATIC_BUILD),y) 192 192 BASE_LIBS = $(LIBC_PREFIX)/libc.a $(LIBSOFTINT_PREFIX)/libsoftint.a 193 LINKER_SCRIPT ?= $(LIBC_PREFIX)/arch/$(UARCH)/_link.ld194 193 ifeq ($(MATH),y) 195 194 BASE_LIBS += $(LIBMATH_PREFIX)/libmath.a … … 197 196 else 198 197 BASE_LIBS = $(LIBC_PREFIX)/libc.so.0 $(LIBSOFTINT_PREFIX)/libsoftint.so.0 199 LFLAGS += -Bdynamic 200 LINKER_SCRIPT ?= $(LIBC_PREFIX)/arch/$(UARCH)/_link-dlexe.ld 198 LINK_DYNAMIC = y 201 199 ifeq ($(MATH),y) 202 200 BASE_LIBS += $(LIBMATH_PREFIX)/libmath.so.0 203 201 endif 202 endif 203 204 ifeq ($(LINK_DYNAMIC),y) 205 LFLAGS += -Bdynamic 206 LINKER_SCRIPT ?= $(LIBC_PREFIX)/arch/$(UARCH)/_link-dlexe.ld 207 else 208 LINKER_SCRIPT ?= $(LIBC_PREFIX)/arch/$(UARCH)/_link.ld 204 209 endif 205 210 -
uspace/app/dltest/Makefile
raf2254ec r0dc2fec 28 28 29 29 USPACE_PREFIX = ../.. 30 EXTRA_CFLAGS = -I$(LIBDLTEST_PREFIX) 30 EXTRA_CFLAGS = -I$(LIBDLTEST_PREFIX) -DDLTEST_LINKED 31 LIBS = $(LIBDLTEST_PREFIX)/libdltest.so.0.0 32 # Need a dynamic link, but possibly still use static libc 33 LINK_DYNAMIC = y 34 31 35 BINARY = dltest 32 36 -
uspace/app/dltest/dltest.c
raf2254ec r0dc2fec 43 43 44 44 /** libdltest library handle */ 45 void *handle; 45 static void *handle; 46 47 /** If true, do not run dlfcn tests */ 48 static bool no_dlfcn = false; 46 49 47 50 /** Test dlsym() function */ … … 93 96 { 94 97 int (*p_dl_get_private_var)(void); 98 int *(*p_dl_get_private_var_addr)(void); 95 99 int val; 96 100 … … 103 107 } 104 108 109 p_dl_get_private_var_addr = dlsym(handle, "dl_get_private_var_addr"); 110 if (p_dl_get_private_var_addr == NULL) { 111 printf("FAILED\n"); 112 return false; 113 } 114 105 115 val = p_dl_get_private_var(); 106 116 107 117 printf("Got %d, expected %d... ", val, dl_private_var_val); 108 118 if (val != dl_private_var_val) { 119 printf("dl_get_private_var_addr -> %p\n", 120 p_dl_get_private_var_addr()); 109 121 printf("FAILED\n"); 110 122 return false; … … 121 133 { 122 134 int (*p_dl_get_private_uvar)(void); 135 int *(*p_dl_get_private_uvar_addr)(void); 123 136 int val; 124 137 … … 131 144 } 132 145 146 p_dl_get_private_uvar_addr = dlsym(handle, "dl_get_private_uvar_addr"); 147 if (p_dl_get_private_uvar_addr == NULL) { 148 printf("FAILED\n"); 149 return false; 150 } 151 133 152 val = p_dl_get_private_uvar(); 134 153 135 154 printf("Got %d, expected %d... ", val, 0); 136 155 if (val != 0) { 156 printf("dl_get_private_uvar_addr -> %p\n", 157 p_dl_get_private_uvar_addr()); 137 158 printf("FAILED\n"); 138 159 return false; … … 149 170 { 150 171 int (*p_dl_get_public_var)(void); 172 int *(*p_dl_get_public_var_addr)(void); 151 173 int val; 152 174 … … 159 181 } 160 182 183 p_dl_get_public_var_addr = dlsym(handle, "dl_get_public_var_addr"); 184 if (p_dl_get_public_var_addr == NULL) { 185 printf("FAILED\n"); 186 return false; 187 } 188 161 189 val = p_dl_get_public_var(); 162 190 163 191 printf("Got %d, expected %d... ", val, dl_public_var_val); 164 192 if (val != dl_public_var_val) { 193 printf("dl_get_public_var_addr -> %p\n", 194 p_dl_get_public_var_addr()); 165 195 printf("FAILED\n"); 166 196 return false; … … 177 207 { 178 208 int (*p_dl_get_public_uvar)(void); 209 int *(*p_dl_get_public_uvar_addr)(void); 179 210 int val; 180 211 … … 187 218 } 188 219 220 p_dl_get_public_uvar_addr = dlsym(handle, "dl_get_public_uvar_addr"); 221 if (p_dl_get_public_uvar_addr == NULL) { 222 printf("FAILED\n"); 223 return false; 224 } 225 189 226 val = p_dl_get_public_uvar(); 190 227 191 228 printf("Got %d, expected %d... ", val, 0); 192 229 if (val != 0) { 230 printf("dl_get_public_uvar_addr -> %p\n", 231 p_dl_get_public_uvar_addr()); 193 232 printf("FAILED\n"); 194 233 return false; … … 205 244 { 206 245 int *p_dl_public_var; 246 int *(*p_dl_get_public_var_addr)(void); 207 247 int val; 208 248 … … 215 255 } 216 256 257 p_dl_get_public_var_addr = dlsym(handle, "dl_get_public_var_addr"); 258 if (p_dl_get_public_var_addr == NULL) { 259 printf("FAILED\n"); 260 return false; 261 } 262 217 263 val = *p_dl_public_var; 218 264 219 265 printf("Got %d, expected %d... ", val, dl_public_var_val); 220 266 if (val != dl_public_var_val) { 267 printf("&dl_public_var = %p, " 268 "dl_get_public_var_addr -> %p\n", 269 p_dl_public_var, p_dl_get_public_var_addr()); 221 270 printf("FAILED\n"); 222 271 return false; … … 233 282 { 234 283 int *p_dl_public_uvar; 284 int *(*p_dl_get_public_uvar_addr)(void); 235 285 int val; 236 286 … … 243 293 } 244 294 295 p_dl_get_public_uvar_addr = dlsym(handle, "dl_get_public_uvar_addr"); 296 if (p_dl_get_public_uvar_addr == NULL) { 297 printf("FAILED\n"); 298 return false; 299 } 300 245 301 val = *p_dl_public_uvar; 246 302 247 303 printf("Got %d, expected %d... ", val, 0); 248 304 if (val != 0) { 249 printf("FAILED\n"); 250 return false; 251 } 252 253 printf("Passed\n"); 254 return true; 255 } 256 257 int main(int argc, char *argv[]) 258 { 259 260 printf("Dynamic linking test\n"); 261 305 printf("&dl_public_uvar = %p, " 306 "dl_get_public_uvar_addr -> %p\n", 307 p_dl_public_uvar, p_dl_get_public_uvar_addr()); 308 printf("FAILED\n"); 309 return false; 310 } 311 312 printf("Passed\n"); 313 return true; 314 } 315 316 #ifndef STATIC_EXE 317 318 /** Test calling a function that returns contents of a private initialized 319 * fibril-local variable. 320 */ 321 static bool test_dlfcn_dl_get_private_fib_var(void) 322 { 323 int (*p_dl_get_private_fib_var)(void); 324 int *(*p_dl_get_private_fib_var_addr)(void); 325 int val; 326 327 printf("Call dlsym/dl_get_private_fib_var...\n"); 328 329 p_dl_get_private_fib_var = dlsym(handle, "dl_get_private_fib_var"); 330 if (p_dl_get_private_fib_var == NULL) { 331 printf("FAILED\n"); 332 return false; 333 } 334 335 p_dl_get_private_fib_var_addr = dlsym(handle, "dl_get_private_fib_var_addr"); 336 if (p_dl_get_private_fib_var_addr == NULL) { 337 printf("FAILED\n"); 338 return false; 339 } 340 341 val = p_dl_get_private_fib_var(); 342 343 printf("Got %d, expected %d... ", val, dl_private_fib_var_val); 344 if (val != dl_private_fib_var_val) { 345 printf("dl_get_private_fib_var_addr -> %p\n", 346 p_dl_get_private_fib_var_addr()); 347 printf("FAILED\n"); 348 return false; 349 } 350 351 printf("Passed\n"); 352 return true; 353 } 354 355 /** Test calling a function that returns contents of a private uninitialized 356 * fibril-local variable. 357 */ 358 static bool test_dlfcn_dl_get_private_fib_uvar(void) 359 { 360 int (*p_dl_get_private_fib_uvar)(void); 361 int *(*p_dl_get_private_fib_uvar_addr)(void); 362 int val; 363 364 printf("Call dlsym/dl_get_private_fib_uvar...\n"); 365 366 p_dl_get_private_fib_uvar = dlsym(handle, "dl_get_private_fib_uvar"); 367 if (p_dl_get_private_fib_uvar == NULL) { 368 printf("FAILED\n"); 369 return false; 370 } 371 372 p_dl_get_private_fib_uvar_addr = dlsym(handle, "dl_get_private_fib_uvar_addr"); 373 if (p_dl_get_private_fib_uvar_addr == NULL) { 374 printf("FAILED\n"); 375 return false; 376 } 377 378 val = p_dl_get_private_fib_uvar(); 379 380 printf("Got %d, expected %d... ", val, 0); 381 if (val != 0) { 382 printf("dl_get_private_fib_uvar_addr -> %p\n", 383 p_dl_get_private_fib_uvar_addr()); 384 printf("FAILED\n"); 385 return false; 386 } 387 388 printf("Passed\n"); 389 return true; 390 } 391 392 /** Test calling a function that returns the contents of a public initialized 393 * fibril-local variable. 394 */ 395 static bool test_dlfcn_dl_get_public_fib_var(void) 396 { 397 int (*p_dl_get_public_fib_var)(void); 398 int *(*p_dl_get_public_fib_var_addr)(void); 399 int val; 400 401 printf("Call dlsym/dl_get_public_fib_var...\n"); 402 403 p_dl_get_public_fib_var = dlsym(handle, "dl_get_public_fib_var"); 404 if (p_dl_get_public_fib_var == NULL) { 405 printf("FAILED\n"); 406 return false; 407 } 408 409 p_dl_get_public_fib_var_addr = dlsym(handle, "dl_get_public_fib_var_addr"); 410 if (p_dl_get_public_fib_var_addr == NULL) { 411 printf("FAILED\n"); 412 return false; 413 } 414 415 val = p_dl_get_public_fib_var(); 416 417 printf("Got %d, expected %d... ", val, dl_public_fib_var_val); 418 if (val != dl_public_fib_var_val) { 419 printf("dl_get_public_fib_var_addr -> %p\n", 420 p_dl_get_public_fib_var_addr()); 421 printf("FAILED\n"); 422 return false; 423 } 424 425 printf("Passed\n"); 426 return true; 427 } 428 429 /** Test calling a function that returns the contents of a public uninitialized 430 * fibril-local variable. 431 */ 432 static bool test_dlfcn_dl_get_public_fib_uvar(void) 433 { 434 int (*p_dl_get_public_fib_uvar)(void); 435 int *(*p_dl_get_public_fib_uvar_addr)(void); 436 int val; 437 438 printf("Call dlsym/dl_get_public_fib_uvar...\n"); 439 440 p_dl_get_public_fib_uvar = dlsym(handle, "dl_get_public_fib_uvar"); 441 if (p_dl_get_public_fib_uvar == NULL) { 442 printf("FAILED\n"); 443 return false; 444 } 445 446 p_dl_get_public_fib_uvar_addr = dlsym(handle, "dl_get_public_fib_uvar_addr"); 447 if (p_dl_get_public_fib_uvar_addr == NULL) { 448 printf("FAILED\n"); 449 return false; 450 } 451 452 val = p_dl_get_public_fib_uvar(); 453 454 printf("Got %d, expected %d... ", val, 0); 455 if (val != 0) { 456 printf("dl_get_public_fib_uvar_addr -> %p\n", 457 p_dl_get_public_fib_uvar_addr()); 458 printf("FAILED\n"); 459 return false; 460 } 461 462 printf("Passed\n"); 463 return true; 464 } 465 466 /** Test directly reading a public initialized fibril-local variable 467 * whose address was obtained using dlsym. 468 */ 469 static bool test_dlfcn_read_public_fib_var(void) 470 { 471 int *p_dl_public_fib_var; 472 int *(*p_dl_get_public_fib_var_addr)(void); 473 int val; 474 475 printf("Read dlsym/dl_public_fib_var...\n"); 476 477 p_dl_public_fib_var = dlsym(handle, "dl_public_fib_var"); 478 if (p_dl_public_fib_var == NULL) { 479 printf("FAILED\n"); 480 return false; 481 } 482 483 p_dl_get_public_fib_var_addr = dlsym(handle, "dl_get_public_fib_var_addr"); 484 if (p_dl_get_public_fib_var_addr == NULL) { 485 printf("FAILED\n"); 486 return false; 487 } 488 489 val = *p_dl_public_fib_var; 490 491 printf("Got %d, expected %d... ", val, dl_public_fib_var_val); 492 if (val != dl_public_fib_var_val) { 493 printf("&dl_public_fib_var = %p, " 494 "dl_get_public_fib_var_addr -> %p\n", 495 p_dl_public_fib_var, p_dl_get_public_fib_var_addr()); 496 printf("FAILED\n"); 497 return false; 498 } 499 500 printf("Passed\n"); 501 return true; 502 } 503 504 /** Test directly reading a public uninitialized fibril-local variable 505 * whose address was obtained using dlsym. 506 */ 507 static bool test_dlfcn_read_public_fib_uvar(void) 508 { 509 int *p_dl_public_fib_uvar; 510 int *(*p_dl_get_public_fib_uvar_addr)(void); 511 int val; 512 513 printf("Read dlsym/dl_public_fib_uvar...\n"); 514 515 p_dl_public_fib_uvar = dlsym(handle, "dl_public_fib_uvar"); 516 if (p_dl_public_fib_uvar == NULL) { 517 printf("FAILED\n"); 518 return false; 519 } 520 521 p_dl_get_public_fib_uvar_addr = dlsym(handle, "dl_get_public_fib_uvar_addr"); 522 if (p_dl_get_public_fib_uvar_addr == NULL) { 523 printf("FAILED\n"); 524 return false; 525 } 526 527 val = *p_dl_public_fib_uvar; 528 529 printf("Got %d, expected %d... ", val, 0); 530 if (val != 0) { 531 printf("&dl_public_fib_uvar = %p, " 532 "dl_get_public_fib_uvar_addr -> %p\n", 533 p_dl_public_fib_uvar, p_dl_get_public_fib_uvar_addr()); 534 printf("FAILED\n"); 535 return false; 536 } 537 538 printf("Passed\n"); 539 return true; 540 } 541 542 #endif /* STATIC_EXE */ 543 544 #ifdef DLTEST_LINKED 545 546 /** Test directly calling function that returns a constant */ 547 static bool test_lnk_dl_get_constant(void) 548 { 549 int val; 550 551 printf("Call linked dl_get_constant...\n"); 552 553 val = dl_get_constant(); 554 555 printf("Got %d, expected %d... ", val, dl_constant); 556 if (val != dl_constant) { 557 printf("FAILED\n"); 558 return false; 559 } 560 561 printf("Passed\n"); 562 return true; 563 } 564 565 /** Test dircetly calling a function that returns contents of a private 566 * initialized variable. 567 */ 568 static bool test_lnk_dl_get_private_var(void) 569 { 570 int val; 571 572 printf("Call linked dl_get_private_var...\n"); 573 574 val = dl_get_private_var(); 575 576 printf("Got %d, expected %d... ", val, dl_private_var_val); 577 if (val != dl_private_var_val) { 578 printf("dl_get_private_var_addr -> %p\n", 579 dl_get_private_var_addr()); 580 printf("FAILED\n"); 581 return false; 582 } 583 584 printf("Passed\n"); 585 return true; 586 } 587 588 /** Test dircetly calling a function that returns contents of a private 589 * uninitialized variable. 590 */ 591 static bool test_lnk_dl_get_private_uvar(void) 592 { 593 int val; 594 595 printf("Call linked dl_get_private_uvar...\n"); 596 597 val = dl_get_private_uvar(); 598 599 printf("Got %d, expected %d... ", val, 0); 600 if (val != 0) { 601 printf("dl_get_private_uvar_addr -> %p\n", 602 dl_get_private_uvar_addr()); 603 printf("FAILED\n"); 604 return false; 605 } 606 607 printf("Passed\n"); 608 return true; 609 } 610 611 /** Test directly calling a function that returns the contents of a public 612 * initialized variable. 613 */ 614 static bool test_lnk_dl_get_public_var(void) 615 { 616 int val; 617 618 printf("Call linked dl_get_public_var...\n"); 619 620 val = dl_get_public_var(); 621 622 printf("Got %d, expected %d... ", val, dl_public_var_val); 623 if (val != dl_public_var_val) { 624 printf("dl_get_public_var_addr -> %p\n", 625 dl_get_public_var_addr()); 626 printf("FAILED\n"); 627 return false; 628 } 629 630 printf("Passed\n"); 631 return true; 632 } 633 634 /** Test directly calling a function that returns the contents of a public 635 * uninitialized variable. 636 */ 637 static bool test_lnk_dl_get_public_uvar(void) 638 { 639 int val; 640 641 printf("Call linked dl_get_public_uvar...\n"); 642 643 val = dl_get_public_uvar(); 644 645 printf("Got %d, expected %d... ", val, 0); 646 if (val != 0) { 647 printf("dl_get_public_uvar_addr -> %p\n", 648 dl_get_public_uvar_addr()); 649 printf("FAILED\n"); 650 return false; 651 } 652 653 printf("Passed\n"); 654 return true; 655 } 656 657 /** Test directly reading a public initialized variable. */ 658 static bool test_lnk_read_public_var(void) 659 { 660 int val; 661 662 printf("Read linked dl_public_var...\n"); 663 664 val = dl_public_var; 665 666 printf("Got %d, expected %d... ", val, dl_public_var_val); 667 if (val != dl_public_var_val) { 668 printf("&dl_public_var = %p, dl_get_public_var_addr -> %p\n", 669 &dl_public_var, dl_get_public_var_addr()); 670 printf("FAILED\n"); 671 return false; 672 } 673 674 printf("Passed\n"); 675 return true; 676 } 677 678 /** Test directly reading a public uninitialized variable. */ 679 static bool test_lnk_read_public_uvar(void) 680 { 681 int val; 682 683 printf("Read linked dl_public_uvar...\n"); 684 685 val = dl_public_uvar; 686 687 printf("Got %d, expected %d... ", val, 0); 688 if (val != 0) { 689 printf("&dl_public_uvar = %p, dl_get_public_uvar_addr -> %p\n", 690 &dl_public_uvar, dl_get_public_uvar_addr()); 691 printf("FAILED\n"); 692 return false; 693 } 694 695 printf("Passed\n"); 696 return true; 697 } 698 699 /** Test dircetly calling a function that returns contents of a private 700 * initialized fibril-local variable. 701 */ 702 static bool test_lnk_dl_get_private_fib_var(void) 703 { 704 int val; 705 706 printf("Call linked dl_get_private_fib_var...\n"); 707 708 val = dl_get_private_fib_var(); 709 710 printf("Got %d, expected %d... ", val, dl_private_fib_var_val); 711 if (val != dl_private_fib_var_val) { 712 printf("dl_get_private_fib_var_addr -> %p\n", 713 dl_get_private_fib_var_addr()); 714 printf("FAILED\n"); 715 return false; 716 } 717 718 printf("Passed\n"); 719 return true; 720 } 721 722 /** Test dircetly calling a function that returns contents of a private 723 * uninitialized fibril-local variable. 724 */ 725 static bool test_lnk_dl_get_private_fib_uvar(void) 726 { 727 int val; 728 729 printf("Call linked dl_get_private_fib_uvar...\n"); 730 731 val = dl_get_private_fib_uvar(); 732 733 printf("Got %d, expected %d... ", val, 0); 734 if (val != 0) { 735 printf("dl_get_private_fib_uvar_addr -> %p\n", 736 dl_get_private_fib_var_addr()); 737 printf("FAILED\n"); 738 return false; 739 } 740 741 printf("Passed\n"); 742 return true; 743 } 744 745 /** Test directly calling a function that returns the contents of a public 746 * initialized fibril-local variable. 747 */ 748 static bool test_lnk_dl_get_public_fib_var(void) 749 { 750 int val; 751 752 printf("Call linked dl_get_public_fib_var...\n"); 753 754 val = dl_get_public_fib_var(); 755 756 printf("Got %d, expected %d... ", val, dl_public_fib_var_val); 757 if (val != dl_public_fib_var_val) { 758 printf("dl_get_public_fib_var_addr -> %p\n", 759 dl_get_public_fib_var_addr()); 760 printf("FAILED\n"); 761 return false; 762 } 763 764 printf("Passed\n"); 765 return true; 766 } 767 768 /** Test directly calling a function that returns the contents of a public 769 * uninitialized fibril-local variable. 770 */ 771 static bool test_lnk_dl_get_public_fib_uvar(void) 772 { 773 int val; 774 775 printf("Call linked dl_get_public_fib_uvar...\n"); 776 777 val = dl_get_public_fib_uvar(); 778 779 printf("Got %d, expected %d... ", val, 0); 780 if (val != 0) { 781 printf("dl_get_public_fib_uvar_addr -> %p\n", 782 dl_get_public_fib_uvar_addr()); 783 printf("FAILED\n"); 784 return false; 785 } 786 787 printf("Passed\n"); 788 return true; 789 } 790 791 /** Test directly reading a public initialized fibril-local variable. */ 792 static bool test_lnk_read_public_fib_var(void) 793 { 794 int val; 795 796 printf("Read linked dl_public_fib_var...\n"); 797 798 val = dl_public_fib_var; 799 800 printf("Got %d, expected %d... ", val, dl_public_fib_var_val); 801 if (val != dl_public_fib_var_val) { 802 printf("&dl_public_fib_var = %p, " 803 "dl_get_public_fib_var_addr -> %p\n", 804 &dl_public_fib_var, dl_get_public_fib_var_addr()); 805 printf("FAILED\n"); 806 return false; 807 } 808 809 printf("Passed\n"); 810 return true; 811 } 812 813 /** Test directly reading a public uninitialized fibril-local variable. */ 814 static bool test_lnk_read_public_fib_uvar(void) 815 { 816 int val; 817 818 printf("Read linked dl_public_fib_uvar...\n"); 819 820 val = dl_public_fib_uvar; 821 822 printf("Got %d, expected %d... ", val, 0); 823 if (val != 0) { 824 printf("&dl_public_fib_uvar = %p, " 825 "dl_get_public_fib_uvar_addr -> %p\n", 826 &dl_public_fib_uvar, dl_get_public_fib_uvar_addr()); 827 printf("FAILED\n"); 828 return false; 829 } 830 831 printf("Passed\n"); 832 return true; 833 } 834 835 #endif /* DLTEST_LINKED */ 836 837 static int test_dlfcn(void) 838 { 262 839 printf("dlopen()... "); 263 840 handle = dlopen("libdltest.so.0", 0); … … 293 870 return 1; 294 871 872 #ifndef STATIC_EXE 873 if (!test_dlfcn_dl_get_private_fib_var()) 874 return 1; 875 876 if (!test_dlfcn_dl_get_private_fib_uvar()) 877 return 1; 878 879 if (!test_dlfcn_dl_get_public_fib_var()) 880 return 1; 881 882 if (!test_dlfcn_dl_get_public_fib_uvar()) 883 return 1; 884 885 if (!test_dlfcn_read_public_fib_var()) 886 return 1; 887 888 if (!test_dlfcn_read_public_fib_uvar()) 889 return 1; 890 #endif /* STATIC_EXE */ 891 295 892 // printf("dlclose()... "); 296 893 // dlclose(handle); 297 894 // printf("Passed\n"); 298 895 896 return 0; 897 } 898 899 #ifdef DLTEST_LINKED 900 901 static int test_lnk(void) 902 { 903 if (!test_lnk_dl_get_constant()) 904 return 1; 905 906 if (!test_lnk_dl_get_private_var()) 907 return 1; 908 909 if (!test_lnk_dl_get_private_uvar()) 910 return 1; 911 912 if (!test_lnk_dl_get_public_var()) 913 return 1; 914 915 if (!test_lnk_dl_get_public_uvar()) 916 return 1; 917 918 if (!test_lnk_read_public_var()) 919 return 1; 920 921 if (!test_lnk_read_public_uvar()) 922 return 1; 923 924 if (!test_lnk_dl_get_private_fib_var()) 925 return 1; 926 927 if (!test_lnk_dl_get_private_fib_uvar()) 928 return 1; 929 930 if (!test_lnk_dl_get_public_fib_var()) 931 return 1; 932 933 if (!test_lnk_dl_get_public_fib_uvar()) 934 return 1; 935 936 if (!test_lnk_read_public_fib_var()) 937 return 1; 938 939 if (!test_lnk_read_public_fib_uvar()) 940 return 1; 941 942 return 0; 943 } 944 945 #endif /* DLTEST_LINKED */ 946 947 static void print_syntax(void) 948 { 949 fprintf(stderr, "syntax: dltest [-n]\n"); 950 fprintf(stderr, "\t-n Do not run dlfcn tests\n"); 951 } 952 953 int main(int argc, char *argv[]) 954 { 955 printf("Dynamic linking test\n"); 956 957 if (argc > 1) { 958 if (argc > 2) { 959 print_syntax(); 960 return 1; 961 } 962 963 if (str_cmp(argv[1], "-n") == 0) { 964 no_dlfcn = true; 965 } else { 966 print_syntax(); 967 return 1; 968 } 969 } 970 971 if (!no_dlfcn) { 972 if (test_dlfcn() != 0) 973 return 1; 974 } 975 976 #ifdef DLTEST_LINKED 977 if (test_lnk() != 0) 978 return 1; 979 #endif 980 299 981 printf("All passed.\n"); 300 982 return 0; -
uspace/lib/c/arch/ia32/_link.ld.in
raf2254ec r0dc2fec 12 12 #endif 13 13 data PT_LOAD FLAGS(6); 14 tls PT_TLS; 14 15 #if defined(SHLIB) || defined(DLEXE) 15 16 dynamic PT_DYNAMIC; … … 95 96 #endif 96 97 98 .tdata : { 97 99 #ifndef DLEXE 98 .tdata : {99 100 _tdata_start = .; 101 #endif 100 102 *(.tdata); 101 103 *(.gnu.linkonce.tb.*); 104 #ifndef DLEXE 102 105 _tdata_end = .; 106 #endif 107 } :data :tls 108 .tbss : { 109 #ifndef DLEXE 103 110 _tbss_start = .; 111 #endif 104 112 *(.tbss); 113 #ifndef DLEXE 105 114 _tbss_end = .; 106 } :data 115 #endif 116 } :data :tls 107 117 118 #ifndef DLEXE 108 119 _tls_alignment = ALIGNOF(.tdata); 109 120 #endif -
uspace/lib/c/arch/ia32/include/libarch/rtld/elf_dyn.h
raf2254ec r0dc2fec 36 36 #define LIBC_ia32_RTLD_ELF_DYN_H_ 37 37 38 /* 38 /* 39 39 * ia32 dynamic relocation types 40 40 */ … … 47 47 #define R_386_RELATIVE 8 48 48 49 #define R_386_TLS_TPOFF 14 49 50 #define R_386_TLS_DTPMOD32 35 51 #define R_386_TLS_DTPOFF32 36 50 52 51 53 #endif -
uspace/lib/c/arch/ia32/include/libarch/tls.h
raf2254ec r0dc2fec 43 43 void *self; 44 44 void *fibril_data; 45 void **dtv; 45 46 } tcb_t; 46 47 -
uspace/lib/c/arch/ia32/src/rtld/reloc.c
raf2254ec r0dc2fec 101 101 sym_def = symbol_def_find(str_tab + sym->st_name, 102 102 m, ssf_none, &dest); 103 //DPRINTF("dest name: '%s'\n", dest->dyn.soname);103 DPRINTF("dest name: '%s'\n", dest->dyn.soname); 104 104 // DPRINTF("dest bias: 0x%x\n", dest->bias); 105 105 if (sym_def) { 106 106 sym_addr = (uint32_t) 107 symbol_get_addr(sym_def, dest );107 symbol_get_addr(sym_def, dest, NULL); 108 108 // DPRINTF("symbol definition found, addr=0x%x\n", sym_addr); 109 109 } else { … … 115 115 sym_addr = 0; 116 116 sym_def = NULL; 117 118 /* 119 * DTPMOD with null st_name should return the index 120 * of the current module. 121 */ 122 dest = m; 117 123 } 118 124 … … 148 154 if (sym_def) { 149 155 sym_addr = (uint32_t) 150 symbol_get_addr(sym_def, dest );156 symbol_get_addr(sym_def, dest, NULL); 151 157 } else { 152 158 printf("Source definition of '%s' not found.\n", … … 171 177 break; 172 178 179 case R_386_TLS_TPOFF: 180 DPRINTF("fixup R_386_TLS_TPOFF\n"); 181 *r_ptr = (dest->ioffs + sym_def->st_value) - dest->rtld->tls_size; 182 break; 183 184 case R_386_TLS_DTPOFF32: 185 DPRINTF("fixup R_386_TLS_DTPOFF32\n"); 186 *r_ptr = sym_def->st_value; 187 break; 188 173 189 case R_386_TLS_DTPMOD32: 174 /* 175 * We can ignore this as long as the only module 176 * with TLS variables is libc.so. 177 */ 178 DPRINTF("Ignoring R_386_TLS_DTPMOD32\n"); 190 DPRINTF("fixup R_386_TLS_DTPMOD32\n"); 191 *r_ptr = dest->id; 179 192 break; 180 193 -
uspace/lib/c/arch/ia32/src/tls.c
raf2254ec r0dc2fec 1 1 /* 2 2 * Copyright (c) 2006 Ondrej Palkovsky 3 * Copyright (c) 2016 Jiri Svoboda 3 4 * All rights reserved. 4 5 * … … 39 40 #include <align.h> 40 41 42 #ifdef CONFIG_RTLD 43 #include <rtld/rtld.h> 44 #endif 45 41 46 tcb_t *tls_alloc_arch(void **data, size_t size) 42 47 { … … 64 69 *___tls_get_addr(tls_index *ti) 65 70 { 66 size_t tls_size;67 71 uint8_t *tls; 68 72 69 /* Calculate size of TLS block */ 70 tls_size = ALIGN_UP(&_tbss_end - &_tdata_start, &_tls_alignment); 71 72 /* The TLS block is just before TCB */ 73 tls = (uint8_t *)__tcb_get() - tls_size; 74 73 #ifdef CONFIG_RTLD 74 if (runtime_env != NULL) { 75 return rtld_tls_get_addr(runtime_env, __tcb_get(), 76 ti->ti_module, ti->ti_offset); 77 } 78 #endif 79 /* Get address of static TLS block */ 80 tls = tls_get(); 75 81 return tls + ti->ti_offset; 76 82 } -
uspace/lib/c/generic/dlfcn.c
raf2254ec r0dc2fec 49 49 module_t *m; 50 50 51 if (runtime_env == NULL) {52 printf("Dynamic linker not set up -- initializing.\n");53 rtld_init_static();54 }55 56 printf("dlopen(\"%s\", %d)\n", path, flag);57 58 printf("module_find('%s')\n", path);59 51 m = module_find(runtime_env, path); 60 52 if (m == NULL) { 61 printf("NULL. module_load('%s')\n", path);62 53 m = module_load(runtime_env, path, mlf_local); 63 printf("module_load_deps(m)\n");64 54 module_load_deps(m, mlf_local); 65 55 /* Now relocate. */ 66 printf("module_process_relocs(m)\n");67 56 module_process_relocs(m); 68 } else {69 printf("not NULL\n");70 57 } 71 58 … … 81 68 module_t *sm; 82 69 83 printf("dlsym(0x%lx, \"%s\")\n", (long)mod, sym_name);84 70 sd = symbol_bfs_find(sym_name, (module_t *) mod, &sm); 85 71 if (sd != NULL) { 86 return symbol_get_addr(sd, sm );72 return symbol_get_addr(sd, sm, __tcb_get()); 87 73 } 88 74 -
uspace/lib/c/generic/elf/elf_mod.c
raf2254ec r0dc2fec 248 248 } 249 249 250 /** Process TLS program header. 251 * 252 * @param elf Pointer to loader state buffer. 253 * @param hdr TLS program header 254 * @param info Place to store TLS info 255 */ 256 static void tls_program_header(elf_ld_t *elf, elf_segment_header_t *hdr, 257 elf_tls_info_t *info) 258 { 259 info->tdata = (void *)((uint8_t *)hdr->p_vaddr + elf->bias); 260 info->tdata_size = hdr->p_filesz; 261 info->tbss_size = hdr->p_memsz - hdr->p_filesz; 262 info->tls_align = hdr->p_align; 263 } 264 250 265 /** Process segment header. 251 266 * 267 * @param elf Pointer to loader state buffer. 252 268 * @param entry Segment header. 253 269 * … … 277 293 case 0x70000000: 278 294 /* FIXME: MIPS reginfo */ 295 break; 296 case PT_TLS: 297 /* Parse TLS program header */ 298 tls_program_header(elf, entry, &elf->info->tls); 299 DPRINTF("TLS header found at %p\n", 300 (void *)((uint8_t *)entry->p_vaddr + elf->bias)); 279 301 break; 280 302 case PT_SHLIB: -
uspace/lib/c/generic/libc.c
raf2254ec r0dc2fec 41 41 */ 42 42 43 #include <errno.h> 43 44 #include <libc.h> 44 45 #include <stdlib.h> … … 68 69 __malloc_init(); 69 70 71 /* Save the PCB pointer */ 72 __pcb = (pcb_t *) pcb_ptr; 73 74 #ifdef CONFIG_RTLD 75 if (__pcb != NULL && __pcb->rtld_runtime != NULL) { 76 runtime_env = (rtld_t *) __pcb->rtld_runtime; 77 } else { 78 if (rtld_init_static() != EOK) 79 abort(); 80 } 81 #endif 82 70 83 fibril_t *fibril = fibril_setup(); 71 84 if (fibril == NULL) … … 74 87 __tcb_set(fibril->tcb); 75 88 76 /* Save the PCB pointer */77 __pcb = (pcb_t *) pcb_ptr;78 89 79 90 #ifdef FUTEX_UPGRADABLE … … 89 100 char **argv; 90 101 91 #ifdef CONFIG_RTLD92 if (__pcb != NULL && __pcb->rtld_runtime != NULL) {93 runtime_env = (rtld_t *) __pcb->rtld_runtime;94 }95 #endif96 102 /* 97 103 * Get command line arguments and initialize -
uspace/lib/c/generic/rtld/module.c
raf2254ec r0dc2fec 37 37 #include <adt/list.h> 38 38 #include <elf/elf_load.h> 39 #include <errno.h> 39 40 #include <fcntl.h> 40 41 #include <loader/pcb.h> … … 48 49 #include <rtld/rtld_arch.h> 49 50 #include <rtld/module.h> 51 52 /** Create module for static executable. 53 * 54 * @param rtld Run-time dynamic linker 55 * @param rmodule Place to store pointer to new module or @c NULL 56 * @return EOK on success, ENOMEM if out of memory 57 */ 58 int module_create_static_exec(rtld_t *rtld, module_t **rmodule) 59 { 60 module_t *module; 61 62 module = calloc(1, sizeof(module_t)); 63 if (module == NULL) 64 return ENOMEM; 65 66 module->id = rtld_get_next_id(rtld); 67 module->dyn.soname = "[program]"; 68 69 module->rtld = rtld; 70 module->exec = true; 71 module->local = true; 72 73 module->tdata = &_tdata_start; 74 module->tdata_size = &_tdata_end - &_tdata_start; 75 module->tbss_size = &_tbss_end - &_tbss_start; 76 module->tls_align = (uintptr_t)&_tls_alignment; 77 78 list_append(&module->modules_link, &rtld->modules); 79 80 if (rmodule != NULL) 81 *rmodule = module; 82 return EOK; 83 } 50 84 51 85 /** (Eagerly) process all relocation tables in a module. … … 135 169 136 170 m = calloc(1, sizeof(module_t)); 137 if ( !m) {171 if (m == NULL) { 138 172 printf("malloc failed\n"); 139 173 exit(1); … … 141 175 142 176 m->rtld = rtld; 177 m->id = rtld_get_next_id(rtld); 178 143 179 if ((flags & mlf_local) != 0) 144 180 m->local = true; … … 181 217 /* Insert into the list of loaded modules */ 182 218 list_append(&m->modules_link, &rtld->modules); 219 220 /* Copy TLS info */ 221 m->tdata = info.tls.tdata; 222 m->tdata_size = info.tls.tdata_size; 223 m->tbss_size = info.tls.tbss_size; 224 m->tls_align = info.tls.tls_align; 225 226 DPRINTF("tdata at %p size %zu, tbss size %zu\n", 227 m->tdata, m->tdata_size, m->tbss_size); 183 228 184 229 return m; … … 243 288 } 244 289 290 /** Find module structure by ID. */ 291 module_t *module_by_id(rtld_t *rtld, unsigned long id) 292 { 293 list_foreach(rtld->modules, modules_link, module_t, m) { 294 if (m->id == id) 295 return m; 296 } 297 298 return NULL; 299 } 300 245 301 /** Process relocations in modules. 246 302 * … … 260 316 } 261 317 318 void modules_process_tls(rtld_t *rtld) 319 { 320 #ifdef CONFIG_TLS_VARIANT_1 321 list_foreach(rtld->modules, modules_link, module_t, m) { 322 m->ioffs = rtld->tls_size; 323 list_append(&m->imodules_link, &rtmd->imodules); 324 rtld->tls_size += m->tdata_size + m->tbss_size; 325 } 326 #else /* CONFIG_TLS_VARIANT_2 */ 327 size_t offs; 328 329 list_foreach(rtld->modules, modules_link, module_t, m) { 330 rtld->tls_size += m->tdata_size + m->tbss_size; 331 } 332 333 offs = 0; 334 list_foreach(rtld->modules, modules_link, module_t, m) { 335 offs += m->tdata_size + m->tbss_size; 336 m->ioffs = rtld->tls_size - offs; 337 list_append(&m->imodules_link, &rtld->imodules); 338 } 339 #endif 340 } 341 262 342 /** Clear BFS tags of all modules. 263 343 */ -
uspace/lib/c/generic/rtld/rtld.c
raf2254ec r0dc2fec 43 43 rtld_t *runtime_env; 44 44 static rtld_t rt_env_static; 45 static module_t prog_mod;46 45 47 46 /** Initialize the runtime linker for use in a statically-linked executable. */ 48 void rtld_init_static(void) 49 { 47 int rtld_init_static(void) 48 { 49 int rc; 50 50 51 runtime_env = &rt_env_static; 51 52 list_initialize(&runtime_env->modules); 53 list_initialize(&runtime_env->imodules); 52 54 runtime_env->next_bias = 0x2000000; 53 55 runtime_env->program = NULL; 56 runtime_env->next_id = 1; 57 58 rc = module_create_static_exec(runtime_env, NULL); 59 if (rc != EOK) 60 return rc; 61 62 modules_process_tls(runtime_env); 63 64 return EOK; 54 65 } 55 66 … … 62 73 { 63 74 rtld_t *env; 75 module_t *prog; 64 76 65 77 DPRINTF("Load dynamically linked program.\n"); … … 70 82 return ENOMEM; 71 83 84 env->next_id = 1; 85 86 prog = calloc(1, sizeof(module_t)); 87 if (prog == NULL) { 88 free(env); 89 return ENOMEM; 90 } 91 72 92 /* 73 93 * First we need to process dynamic sections of the executable … … 76 96 77 97 DPRINTF("Parse program .dynamic section at %p\n", p_info->dynamic); 78 dynamic_parse(p_info->dynamic, 0, &prog_mod.dyn); 79 prog_mod.bias = 0; 80 prog_mod.dyn.soname = "[program]"; 81 prog_mod.rtld = env; 82 prog_mod.exec = true; 83 prog_mod.local = false; 98 dynamic_parse(p_info->dynamic, 0, &prog->dyn); 99 prog->bias = 0; 100 prog->dyn.soname = "[program]"; 101 prog->rtld = env; 102 prog->id = rtld_get_next_id(env); 103 prog->exec = true; 104 prog->local = false; 105 106 prog->tdata = p_info->tls.tdata; 107 prog->tdata_size = p_info->tls.tdata_size; 108 prog->tbss_size = p_info->tls.tbss_size; 109 prog->tls_align = p_info->tls.tls_align; 110 111 DPRINTF("prog tdata at %p size %zu, tbss size %zu\n", 112 prog->tdata, prog->tdata_size, prog->tbss_size); 84 113 85 114 /* Initialize list of loaded modules */ 86 115 list_initialize(&env->modules); 87 list_append(&prog_mod.modules_link, &env->modules); 116 list_initialize(&env->imodules); 117 list_append(&prog->modules_link, &env->modules); 88 118 89 119 /* Pointer to program module. Used as root of the module graph. */ 90 env->program = &prog_mod;120 env->program = prog; 91 121 92 122 /* Work around non-existent memory space allocation. */ … … 98 128 99 129 DPRINTF("Load all program dependencies\n"); 100 module_load_deps(&prog_mod, 0); 130 module_load_deps(prog, 0); 131 132 /* Compute static TLS size */ 133 modules_process_tls(env); 101 134 102 135 /* … … 106 139 /* Process relocations in all modules */ 107 140 DPRINTF("Relocate all modules\n"); 108 modules_process_relocs(env, &prog_mod);141 modules_process_relocs(env, prog); 109 142 110 143 *rre = env; … … 112 145 } 113 146 147 /** Create TLS (Thread Local Storage) data structures. 148 * 149 * @return Pointer to TCB. 150 */ 151 tcb_t *rtld_tls_make(rtld_t *rtld) 152 { 153 void *data; 154 tcb_t *tcb; 155 size_t offset; 156 void **dtv; 157 size_t nmods; 158 size_t i; 159 160 tcb = tls_alloc_arch(&data, rtld->tls_size); 161 if (tcb == NULL) 162 return NULL; 163 164 /** Allocate dynamic thread vector */ 165 nmods = list_count(&rtld->imodules); 166 dtv = malloc((nmods + 1) * sizeof(void *)); 167 if (dtv == NULL) { 168 tls_free(tcb); 169 return NULL; 170 } 171 172 /* 173 * We define generation number to be equal to vector length. 174 * We start with a vector covering the initially loaded modules. 175 */ 176 DTV_GN(dtv) = nmods; 177 178 /* 179 * Copy thread local data from the initialization images of initial 180 * modules. Zero out thread-local uninitialized data. 181 */ 182 183 #ifdef CONFIG_TLS_VARIANT_1 184 /* 185 * Ascending addresses 186 */ 187 offset = 0; i = 1; 188 list_foreach(rtld->imodules, imodules_link, module_t, m) { 189 assert(i == m->id); 190 assert(offset + m->tdata_size + m->tbss_size <= rtld->tls_size); 191 dtv[i++] = data + offset; 192 memcpy(data + offset, m->tdata, m->tdata_size); 193 offset += m->tdata_size; 194 memset(data + offset, 0, m->tbss_size); 195 offset += m->tbss_size; 196 } 197 #else /* CONFIG_TLS_VARIANT_2 */ 198 /* 199 * Descending addresses 200 */ 201 offset = 0; i = 1; 202 list_foreach(rtld->imodules, imodules_link, module_t, m) { 203 assert(i == m->id); 204 assert(offset + m->tdata_size + m->tbss_size <= rtld->tls_size); 205 offset += m->tbss_size; 206 memset(data + rtld->tls_size - offset, 0, m->tbss_size); 207 offset += m->tdata_size; 208 memcpy(data + rtld->tls_size - offset, m->tdata, m->tdata_size); 209 dtv[i++] = data + rtld->tls_size - offset; 210 } 211 #endif 212 213 tcb->dtv = dtv; 214 return tcb; 215 } 216 217 unsigned long rtld_get_next_id(rtld_t *rtld) 218 { 219 return rtld->next_id++; 220 } 221 222 /** Get address of thread-local variable. 223 * 224 * @param rtld RTLD instance 225 * @param tcb TCB of the thread whose instance to return 226 * @param mod_id Module ID 227 * @param offset Offset within TLS block of the module 228 * 229 * @return Address of thread-local variable 230 */ 231 void *rtld_tls_get_addr(rtld_t *rtld, tcb_t *tcb, unsigned long mod_id, 232 unsigned long offset) 233 { 234 module_t *m; 235 size_t dtv_len; 236 void *tls_block; 237 238 dtv_len = DTV_GN(tcb->dtv); 239 if (dtv_len < mod_id) { 240 /* Vector is short */ 241 242 tcb->dtv = realloc(tcb->dtv, (1 + mod_id) * sizeof(void *)); 243 /* XXX This can fail if OOM */ 244 assert(tcb->dtv != NULL); 245 /* Zero out new part of vector */ 246 memset(tcb->dtv + (1 + dtv_len), 0, (mod_id - dtv_len) * 247 sizeof(void *)); 248 } 249 250 if (tcb->dtv[mod_id] == NULL) { 251 /* TLS block is not allocated */ 252 253 m = module_by_id(rtld, mod_id); 254 assert(m != NULL); 255 /* Should not be initial module, those have TLS pre-allocated */ 256 assert(!link_used(&m->imodules_link)); 257 258 tls_block = malloc(m->tdata_size + m->tbss_size); 259 /* XXX This can fail if OOM */ 260 assert(tls_block != NULL); 261 262 /* Copy tdata */ 263 memcpy(tls_block, m->tdata, m->tdata_size); 264 /* Zero out tbss */ 265 memset(tls_block + m->tdata_size, 0, m->tbss_size); 266 267 tcb->dtv[mod_id] = tls_block; 268 } 269 270 return (uint8_t *)(tcb->dtv[mod_id]) + offset; 271 } 272 114 273 /** @} 115 274 */ -
uspace/lib/c/generic/rtld/symbol.c
raf2254ec r0dc2fec 249 249 } 250 250 251 void *symbol_get_addr(elf_symbol_t *sym, module_t *m) 252 { 253 if (sym->st_shndx == SHN_ABS) { 251 /** Get symbol address. 252 * 253 * @param sym Symbol 254 * @param m Module contaning the symbol 255 * @param tcb TCB of the thread whose thread-local variable instance should 256 * be returned. If @a tcb is @c NULL then @c NULL is returned for 257 * thread-local variables. 258 * 259 * @return Symbol address 260 */ 261 void *symbol_get_addr(elf_symbol_t *sym, module_t *m, tcb_t *tcb) 262 { 263 if (ELF_ST_TYPE(sym->st_info) == STT_TLS) { 264 if (tcb == NULL) 265 return NULL; 266 return rtld_tls_get_addr(m->rtld, tcb, m->id, sym->st_value); 267 } else if (sym->st_shndx == SHN_ABS) { 254 268 /* Do not add bias to absolute symbols */ 255 269 return (void *) sym->st_value; -
uspace/lib/c/generic/tls.c
raf2254ec r0dc2fec 34 34 * Support for thread-local storage, as described in: 35 35 * Drepper U.: ELF Handling For Thread-Local Storage, 2005 36 * 37 * Only static model is supported. 38 */ 36 */ 39 37 40 38 #include <tls.h> 41 39 #include <malloc.h> 42 40 #include <str.h> 43 #include <align.h>44 41 #include <unistd.h> 45 42 43 #ifdef CONFIG_RTLD 44 #include <rtld/rtld.h> 45 #endif 46 47 size_t tls_get_size(void) 48 { 49 #ifdef CONFIG_RTLD 50 if (runtime_env != NULL) 51 return runtime_env->tls_size; 52 #endif 53 return &_tbss_end - &_tdata_start; 54 } 55 56 /** Get address of static TLS block */ 57 void *tls_get(void) 58 { 59 #ifdef CONFIG_TLS_VARIANT_1 60 return (uint8_t *)__tcb_get() + sizeof(tcb_t); 61 #else /* CONFIG_TLS_VARIANT_2 */ 62 return (uint8_t *)__tcb_get() - tls_get_size(); 63 #endif 64 } 65 46 66 /** Create TLS (Thread Local Storage) data structures. 47 *48 * The code requires, that sections .tdata and .tbss are adjacent. It may be49 * changed in the future.50 67 * 51 68 * @return Pointer to TCB. … … 56 73 tcb_t *tcb; 57 74 size_t tls_size = &_tbss_end - &_tdata_start; 58 75 76 #ifdef CONFIG_RTLD 77 if (runtime_env != NULL) 78 return rtld_tls_make(runtime_env); 79 #endif 59 80 tcb = tls_alloc_arch(&data, tls_size); 60 81 if (!tcb) 61 82 return NULL; 62 83 63 84 /* 64 85 * Copy thread local data from the initialization image. … … 76 97 void tls_free(tcb_t *tcb) 77 98 { 78 size_t tls_size = &_tbss_end - &_tdata_start;79 tls_free_arch(tcb, tls_ size);99 free(tcb->dtv); 100 tls_free_arch(tcb, tls_get_size()); 80 101 } 81 102 … … 89 110 tcb_t *tls_alloc_variant_1(void **data, size_t size) 90 111 { 91 tcb_t * result;112 tcb_t *tcb; 92 113 93 result= malloc(sizeof(tcb_t) + size);94 if (! result)114 tcb = malloc(sizeof(tcb_t) + size); 115 if (!tcb) 95 116 return NULL; 96 *data = ((void *)result) + sizeof(tcb_t); 117 *data = ((void *)tcb) + sizeof(tcb_t); 118 tcb->dtv = NULL; 97 119 98 return result;120 return tcb; 99 121 } 100 122 … … 121 143 { 122 144 tcb_t *tcb; 123 124 size = ALIGN_UP(size, &_tls_alignment); 125 *data = memalign((uintptr_t) &_tls_alignment, sizeof(tcb_t) + size); 126 if (!*data) 145 146 *data = malloc(sizeof(tcb_t) + size); 147 if (*data == NULL) 127 148 return NULL; 128 149 tcb = (tcb_t *) (*data + size); 129 150 tcb->self = tcb; 151 tcb->dtv = NULL; 130 152 131 153 return tcb; … … 139 161 void tls_free_variant_2(tcb_t *tcb, size_t size) 140 162 { 141 size = ALIGN_UP(size, &_tls_alignment);142 163 void *start = ((void *) tcb) - size; 143 164 free(start); -
uspace/lib/c/include/elf/elf_mod.h
raf2254ec r0dc2fec 58 58 } eld_flags_t; 59 59 60 /** TLS info for a module */ 61 typedef struct { 62 /** tdata section image */ 63 void *tdata; 64 /** Size of tdata section image in bytes */ 65 size_t tdata_size; 66 /** Size of tbss section */ 67 size_t tbss_size; 68 /** Alignment of TLS initialization image */ 69 size_t tls_align; 70 } elf_tls_info_t; 71 60 72 /** 61 73 * Some data extracted from the headers are stored here … … 70 82 /** Pointer to the dynamic section */ 71 83 void *dynamic; 84 85 /** TLS info */ 86 elf_tls_info_t tls; 72 87 } elf_finfo_t; 73 88 -
uspace/lib/c/include/rtld/module.h
raf2254ec r0dc2fec 42 42 #include <types/rtld/rtld.h> 43 43 44 extern int module_create_static_exec(rtld_t *, module_t **); 44 45 extern void module_process_relocs(module_t *); 45 46 extern module_t *module_find(rtld_t *, const char *); 46 47 extern module_t *module_load(rtld_t *, const char *, mlflags_t); 47 48 extern void module_load_deps(module_t *, mlflags_t); 49 extern module_t *module_by_id(rtld_t *, unsigned long); 48 50 49 51 extern void modules_process_relocs(rtld_t *, module_t *); 52 extern void modules_process_tls(rtld_t *); 50 53 extern void modules_untag(rtld_t *); 51 54 -
uspace/lib/c/include/rtld/rtld.h
raf2254ec r0dc2fec 41 41 42 42 #include <rtld/dynamic.h> 43 #include <tls.h> 43 44 #include <types/rtld/rtld.h> 44 45 45 46 extern rtld_t *runtime_env; 46 47 47 extern voidrtld_init_static(void);48 extern int rtld_init_static(void); 48 49 extern int rtld_prog_process(elf_finfo_t *, rtld_t **); 50 extern tcb_t *rtld_tls_make(rtld_t *); 51 extern unsigned long rtld_get_next_id(rtld_t *); 52 extern void *rtld_tls_get_addr(rtld_t *, tcb_t *, unsigned long, unsigned long); 49 53 50 54 #endif -
uspace/lib/c/include/rtld/symbol.h
raf2254ec r0dc2fec 38 38 #include <elf/elf.h> 39 39 #include <rtld/rtld.h> 40 #include <tls.h> 40 41 41 42 /** Symbol search flags */ … … 50 51 extern elf_symbol_t *symbol_def_find(const char *, module_t *, 51 52 symbol_search_flags_t, module_t **); 52 extern void *symbol_get_addr(elf_symbol_t *, module_t * );53 extern void *symbol_get_addr(elf_symbol_t *, module_t *, tcb_t *); 53 54 54 55 #endif -
uspace/lib/c/include/tls.h
raf2254ec r0dc2fec 39 39 #include <sys/types.h> 40 40 41 /** DTV Generation number - equals vector length */ 42 #define DTV_GN(dtv) (((uintptr_t *)(dtv))[0]) 43 41 44 /* 42 45 * Symbols defined in the respective linker script. … … 52 55 extern void tls_free(tcb_t *); 53 56 extern void tls_free_arch(tcb_t *, size_t); 57 extern size_t tls_get_size(void); 58 extern void *tls_get(void); 54 59 55 60 #ifdef CONFIG_TLS_VARIANT_1 -
uspace/lib/c/include/types/rtld/module.h
raf2254ec r0dc2fec 46 46 /** Dynamically linked module */ 47 47 typedef struct module { 48 /** Module ID */ 49 unsigned long id; 50 /** Dynamic info for this module */ 48 51 dyn_info_t dyn; 52 /** Load bias */ 49 53 size_t bias; 54 55 /** tdata image start */ 56 void *tdata; 57 /** tdata image size */ 58 size_t tdata_size; 59 /** tbss size */ 60 size_t tbss_size; 61 /** TLS alignment */ 62 size_t tls_align; 63 64 size_t ioffs; 50 65 51 66 /** Containing rtld */ … … 61 76 /** Link to list of all modules in runtime environment */ 62 77 link_t modules_link; 78 /** Link to list of initial modules */ 79 link_t imodules_link; 63 80 64 81 /** Link to BFS queue. Only used when doing a BFS of the module graph */ -
uspace/lib/c/include/types/rtld/rtld.h
raf2254ec r0dc2fec 48 48 module_t *program; 49 49 50 /** Next module ID */ 51 unsigned long next_id; 52 53 /** Size of initial TLS tdata + tbss */ 54 size_t tls_size; 55 50 56 /** List of all loaded modules including rtld and the program */ 51 57 list_t modules; 58 59 /** List of initial modules */ 60 list_t imodules; 52 61 53 62 /** Temporary hack to place each module at different address. */ -
uspace/lib/dltest/dltest.c
raf2254ec r0dc2fec 34 34 */ 35 35 36 #include <fibril.h> 36 37 #include "libdltest.h" 37 38 … … 45 46 /** Public uninitialized variable */ 46 47 int dl_public_uvar; 48 49 /** Private initialized fibril-local variable */ 50 static fibril_local int dl_private_fib_var = dl_private_fib_var_val; 51 /** Private uninitialized fibril-local variable */ 52 static fibril_local int dl_private_fib_uvar; 53 54 /** Public initialized fibril-local variable */ 55 fibril_local int dl_public_fib_var = dl_public_fib_var_val; 56 /** Public uninitialized fibril-local variable */ 57 fibril_local int dl_public_fib_uvar; 47 58 48 59 /** Return constant value. */ … … 58 69 } 59 70 71 /** Return address of private initialized variable */ 72 int *dl_get_private_var_addr(void) 73 { 74 return &private_var; 75 } 76 60 77 /** Return value of private uninitialized variable */ 61 78 int dl_get_private_uvar(void) 62 79 { 63 80 return private_uvar; 81 } 82 83 /** Return vaddress of private uninitialized variable */ 84 int *dl_get_private_uvar_addr(void) 85 { 86 return &private_uvar; 64 87 } 65 88 … … 70 93 } 71 94 95 /** Return address of public initialized variable */ 96 int *dl_get_public_var_addr(void) 97 { 98 return &dl_public_var; 99 } 100 72 101 /** Return value of public uninitialized variable */ 73 102 int dl_get_public_uvar(void) … … 76 105 } 77 106 107 /** Return address of public uninitialized variable */ 108 int *dl_get_public_uvar_addr(void) 109 { 110 return &dl_public_uvar; 111 } 112 113 /** Return value of private initialized fibril-local variable */ 114 int dl_get_private_fib_var(void) 115 { 116 return dl_private_fib_var; 117 } 118 119 /** Return address of private initialized fibril-local variable */ 120 int *dl_get_private_fib_var_addr(void) 121 { 122 return &dl_private_fib_var; 123 } 124 125 /** Return value of private uninitialized fibril-local variable */ 126 int dl_get_private_fib_uvar(void) 127 { 128 return dl_private_fib_uvar; 129 } 130 131 /** Return address of private uninitialized fibril-local variable */ 132 int *dl_get_private_fib_uvar_addr(void) 133 { 134 return &dl_private_fib_uvar; 135 } 136 137 /** Return value of public initialized fibril-local variable */ 138 int dl_get_public_fib_var(void) 139 { 140 return dl_public_fib_var; 141 } 142 143 /** Return value of public initialized fibril-local variable */ 144 int *dl_get_public_fib_var_addr(void) 145 { 146 return &dl_public_fib_var; 147 } 148 149 /** Return value of public uninitialized fibril-local variable */ 150 int dl_get_public_fib_uvar(void) 151 { 152 return dl_public_fib_uvar; 153 } 154 155 /** Return value of public uninitialized fibril-local variable */ 156 int *dl_get_public_fib_uvar_addr(void) 157 { 158 return &dl_public_fib_uvar; 159 } 160 78 161 /** 79 162 * @} -
uspace/lib/dltest/libdltest.h
raf2254ec r0dc2fec 37 37 #define LIBDLTEST_H 38 38 39 #include <fibril.h> 40 39 41 enum { 40 42 dl_constant = 110011, 41 43 dl_private_var_val = 220022, 42 dl_public_var_val = 330033 44 dl_public_var_val = 330033, 45 dl_private_fib_var_val = 440044, 46 dl_public_fib_var_val = 550055 43 47 }; 44 48 45 49 extern int dl_get_constant(void); 46 50 extern int dl_get_private_var(void); 51 extern int *dl_get_private_var_addr(void); 47 52 extern int dl_get_private_uvar(void); 53 extern int *dl_get_private_uvar_addr(void); 48 54 extern int dl_get_public_var(void); 55 extern int *dl_get_public_var_addr(void); 49 56 extern int dl_get_public_uvar(void); 57 extern int *dl_get_public_uvar_addr(void); 58 extern int dl_get_private_fib_var(void); 59 extern int *dl_get_private_fib_var_addr(void); 60 extern int dl_get_private_fib_uvar(void); 61 extern int *dl_get_private_fib_uvar_addr(void); 62 extern int dl_get_public_fib_var(void); 63 extern int *dl_get_public_fib_var_addr(void); 64 extern int dl_get_public_fib_uvar(void); 65 extern int *dl_get_public_fib_uvar_addr(void); 50 66 51 67 extern int dl_public_var; 52 68 extern int dl_public_uvar; 69 extern fibril_local int dl_public_fib_var; 70 extern fibril_local int dl_public_fib_uvar; 53 71 54 72 #endif -
uspace/srv/loader/main.c
raf2254ec r0dc2fec 269 269 270 270 pcb.filc = filc; 271 printf("dynamic=%p rtld_env=%p\n", pcb.dynamic, pcb.rtld_runtime);272 271 273 272 async_answer_0(rid, rc);
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