518 sigthreadmask(SIG_UNBLOCK, &newset, NULL);
519
520 VMError::report_and_die(t, sig, pc, info, ucVoid);
521
522 ShouldNotReachHere();
523 return 0;
524 }
525
526 void os::Aix::init_thread_fpu_state(void) {
527 #if !defined(USE_XLC_BUILTINS)
528 // Disable FP exceptions.
529 __asm__ __volatile__ ("mtfsfi 6,0");
530 #else
531 __mtfsfi(6, 0);
532 #endif
533 }
534
535 ////////////////////////////////////////////////////////////////////////////////
536 // thread stack
537
538 size_t os::Posix::_compiler_thread_min_stack_allowed = 128 * K;
539 size_t os::Posix::_java_thread_min_stack_allowed = 128 * K;
540 size_t os::Posix::_vm_internal_thread_min_stack_allowed = 128 * K;
541
542 // return default stack size for thr_type
543 size_t os::Posix::default_stack_size(os::ThreadType thr_type) {
544 // default stack size (compiler thread needs larger stack)
545 size_t s = (thr_type == os::compiler_thread ? 4 * M : 1 * M);
546 return s;
547 }
548
549 /////////////////////////////////////////////////////////////////////////////
550 // helper functions for fatal error handler
551
552 void os::print_context(outputStream *st, const void *context) {
553 if (context == NULL) return;
554
555 const ucontext_t* uc = (const ucontext_t*)context;
556
557 st->print_cr("Registers:");
558 st->print("pc =" INTPTR_FORMAT " ", uc->uc_mcontext.jmp_context.iar);
559 st->print("lr =" INTPTR_FORMAT " ", uc->uc_mcontext.jmp_context.lr);
560 st->print("ctr=" INTPTR_FORMAT " ", uc->uc_mcontext.jmp_context.ctr);
561 st->cr();
562 for (int i = 0; i < 32; i++) {
563 st->print("r%-2d=" INTPTR_FORMAT " ", i, uc->uc_mcontext.jmp_context.gpr[i]);
564 if (i % 3 == 2) st->cr();
565 }
566 st->cr();
|
518 sigthreadmask(SIG_UNBLOCK, &newset, NULL);
519
520 VMError::report_and_die(t, sig, pc, info, ucVoid);
521
522 ShouldNotReachHere();
523 return 0;
524 }
525
526 void os::Aix::init_thread_fpu_state(void) {
527 #if !defined(USE_XLC_BUILTINS)
528 // Disable FP exceptions.
529 __asm__ __volatile__ ("mtfsfi 6,0");
530 #else
531 __mtfsfi(6, 0);
532 #endif
533 }
534
535 ////////////////////////////////////////////////////////////////////////////////
536 // thread stack
537
538 // These sizes exclude OS stack guard pages, but include
539 // the VM guard pages.
540 size_t os::Posix::_compiler_thread_min_stack_allowed = 320 * K;
541 size_t os::Posix::_java_thread_min_stack_allowed = 128 * K;
542 size_t os::Posix::_vm_internal_thread_min_stack_allowed = 128 * K;
543
544 // Return default stack size for thr_type.
545 size_t os::Posix::default_stack_size(os::ThreadType thr_type) {
546 // Default stack size (compiler thread needs larger stack).
547 size_t s = (thr_type == os::compiler_thread ? 4 * M : 1 * M);
548 return s;
549 }
550
551 size_t os::Aix::default_guard_size(os::ThreadType thr_type) {
552 // Creating guard pages is very expensive. Java thread has HotSpot
553 // guard pages, so only enable libc guard pages for non-Java threads.
554 return (thr_type == java_thread ? 0 : page_size());
555 }
556
557 /////////////////////////////////////////////////////////////////////////////
558 // helper functions for fatal error handler
559
560 void os::print_context(outputStream *st, const void *context) {
561 if (context == NULL) return;
562
563 const ucontext_t* uc = (const ucontext_t*)context;
564
565 st->print_cr("Registers:");
566 st->print("pc =" INTPTR_FORMAT " ", uc->uc_mcontext.jmp_context.iar);
567 st->print("lr =" INTPTR_FORMAT " ", uc->uc_mcontext.jmp_context.lr);
568 st->print("ctr=" INTPTR_FORMAT " ", uc->uc_mcontext.jmp_context.ctr);
569 st->cr();
570 for (int i = 0; i < 32; i++) {
571 st->print("r%-2d=" INTPTR_FORMAT " ", i, uc->uc_mcontext.jmp_context.gpr[i]);
572 if (i % 3 == 2) st->cr();
573 }
574 st->cr();
|