| … | |
… | |
| 449 | attachable::check_mortals (); |
449 | attachable::check_mortals (); |
| 450 | |
450 | |
| 451 | ++pticks; |
451 | ++pticks; |
| 452 | } |
452 | } |
| 453 | |
453 | |
| 454 | #if 0 |
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| 455 | // used fro benchmarking (x86/amd64-specific) |
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| 456 | typedef unsigned long tval; |
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| 457 | typedef unsigned long long stamp64; |
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| 458 | |
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| 459 | extern inline tval |
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| 460 | stamp (void) |
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| 461 | { |
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| 462 | tval tsc; |
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| 463 | asm volatile ("rdtsc":"=a" (tsc)::"edx"); |
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| 464 | |
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| 465 | return tsc; |
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| 466 | } |
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| 467 | |
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| 468 | extern inline tval |
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| 469 | measure (tval t) |
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| 470 | { |
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| 471 | tval tsc; |
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| 472 | asm volatile ("rdtsc":"=a" (tsc)::"edx"); |
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| 473 | |
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| 474 | if (tsc > t) |
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| 475 | return tsc - t; |
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| 476 | else |
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| 477 | return t - tsc; |
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| 478 | } |
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| 479 | |
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| 480 | int |
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| 481 | main (int argc, char **argv) |
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| 482 | { |
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| 483 | rand_gen rg(0); |
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| 484 | tval fastest = 0x7fffffff; |
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| 485 | for (int loop = 10000; loop--; ) |
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| 486 | { |
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| 487 | tval s = stamp (); |
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| 488 | volatile int i = rg.get_int(25); |
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| 489 | fastest = min (fastest, measure (s)); |
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| 490 | } |
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| 491 | |
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| 492 | //printf ("fastest %d\n", fastest); |
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| 493 | for (int i = 0; i < 1024*1024*3; ++i) |
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| 494 | { |
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| 495 | char c = rg.get_int (256); |
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| 496 | write (2, &c, 1); |
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| 497 | } |
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| 498 | } |
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| 499 | |
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| 500 | #else |
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| 501 | |
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| 502 | #if 0 // just goofing around, look elsewhere |
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| 503 | |
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| 504 | #include <malloc.h> |
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| 505 | #include <execinfo.h> |
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| 506 | |
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| 507 | static void tr_on (); |
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| 508 | static void tr_off (); |
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| 509 | |
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| 510 | static SMUTEX(tr_mutex); |
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| 511 | |
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| 512 | #define ltr_off() SMUTEX_LOCK (tr_mutex); tr_off () |
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| 513 | #define ltr_on() tr_on (); SMUTEX_UNLOCK (tr_mutex); |
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| 514 | |
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| 515 | static void * |
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| 516 | tr_malloc (size_t size, const void *caller) |
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| 517 | { |
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| 518 | ltr_off (); |
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| 519 | |
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| 520 | void *bt [8]; |
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| 521 | backtrace (bt, 8); |
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| 522 | |
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| 523 | void *ptr = malloc (size); |
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| 524 | |
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| 525 | ltr_on (); |
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| 526 | return (char *)ptr; |
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| 527 | } |
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| 528 | |
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| 529 | static void |
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| 530 | tr_free (void *ptr, const void *caller) |
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| 531 | { |
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| 532 | ltr_off (); |
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| 533 | |
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| 534 | free (ptr); |
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| 535 | |
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| 536 | ltr_on (); |
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| 537 | } |
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| 538 | |
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| 539 | void static * |
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| 540 | tr_realloc (void *ptr, size_t size, const void *caller) |
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| 541 | { |
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| 542 | ltr_off (); |
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| 543 | |
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| 544 | void *nptr = realloc (ptr, size); |
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| 545 | |
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| 546 | ltr_on (); |
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| 547 | return nptr; |
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| 548 | } |
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| 549 | |
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| 550 | static void * |
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| 551 | tr_memalign (size_t size, size_t alignment, const void *caller) |
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| 552 | { |
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| 553 | ltr_off (); |
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| 554 | |
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| 555 | void *ptr = memalign (size, alignment < 16 ? 16 : alignment); |
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| 556 | |
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| 557 | ltr_on (); |
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| 558 | return ptr; |
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| 559 | } |
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| 560 | |
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| 561 | static void |
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| 562 | tr_on () |
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| 563 | { |
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| 564 | __malloc_hook = tr_malloc; |
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| 565 | __realloc_hook = tr_realloc; |
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| 566 | __free_hook = tr_free; |
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| 567 | __memalign_hook = tr_memalign; |
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| 568 | } |
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| 569 | |
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| 570 | static void |
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| 571 | tr_off () |
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| 572 | { |
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| 573 | __malloc_hook = 0; |
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| 574 | __realloc_hook = 0; |
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| 575 | __free_hook = 0; |
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| 576 | __memalign_hook = 0; |
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| 577 | } |
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| 578 | |
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| 579 | void (*__malloc_initialize_hook)(void) = tr_on; |
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| 580 | |
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| 581 | #endif |
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| 582 | |
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| 583 | // normal main |
454 | // normal main |
| 584 | int |
455 | int |
| 585 | main (int argc, char **argv) |
456 | main (int argc, char **argv) |
| 586 | { |
457 | { |
| 587 | settings.argc = argc; |
458 | settings.argc = argc; |
| … | |
… | |
| 593 | init (argc, argv); |
464 | init (argc, argv); |
| 594 | |
465 | |
| 595 | for (;;) |
466 | for (;;) |
| 596 | cfperl_main (); |
467 | cfperl_main (); |
| 597 | } |
468 | } |
| 598 | #endif |
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| 599 | |
469 | |
| 600 | #if 0 |
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| 601 | int xyzzy () |
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| 602 | { |
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| 603 | return rndm(8); |
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| 604 | } |
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| 605 | |
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| 606 | void xyzzy (object_ptr &a, object_ptr &o) |
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| 607 | { |
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| 608 | asm volatile ("int3"); |
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| 609 | a = o; |
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| 610 | asm volatile ("int3"); |
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| 611 | } |
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| 612 | #endif |
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| 613 | |
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