419 thread->disable_stack_yellow_reserved_zone();
420 stub = SharedRuntime::continuation_for_implicit_exception(thread, pc, SharedRuntime::STACK_OVERFLOW);
421 } else {
422 // Thread was in the vm or native code. Return and try to finish.
423 thread->disable_stack_yellow_reserved_zone();
424 return true;
425 }
426 } else if (thread->in_stack_red_zone(addr)) {
427 // Fatal red zone violation. Disable the guard pages and fall through
428 // to handle_unexpected_exception way down below.
429 thread->disable_stack_red_zone();
430 tty->print_raw_cr("An irrecoverable stack overflow has occurred.");
431 // Sometimes the register windows are not properly flushed.
432 if(uc->uc_mcontext.gwins != NULL) {
433 ::handle_unflushed_register_windows(uc->uc_mcontext.gwins);
434 }
435 }
436 }
437
438
439 if (thread->thread_state() == _thread_in_vm) {
440 if (sig == SIGBUS && thread->doing_unsafe_access()) {
441 stub = SharedRuntime::handle_unsafe_access(thread, npc);
442 }
443 }
444
445 else if (thread->thread_state() == _thread_in_Java) {
446 // Java thread running in Java code => find exception handler if any
447 // a fault inside compiled code, the interpreter, or a stub
448
449 // Support Safepoint Polling
450 if (sig == SIGSEGV && os::is_poll_address((address)info->si_addr)) {
451 stub = SharedRuntime::get_poll_stub(pc);
452 }
453
454 // Not needed on x86 solaris because verify_oops doesn't generate
455 // SEGV/BUS like sparc does.
456 if ( (sig == SIGSEGV || sig == SIGBUS)
457 && pc >= MacroAssembler::_verify_oop_implicit_branch[0]
458 && pc < MacroAssembler::_verify_oop_implicit_branch[1] ) {
459 stub = MacroAssembler::_verify_oop_implicit_branch[2];
460 warning("fixed up memory fault in +VerifyOops at address " INTPTR_FORMAT, info->si_addr);
461 }
462
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419 thread->disable_stack_yellow_reserved_zone();
420 stub = SharedRuntime::continuation_for_implicit_exception(thread, pc, SharedRuntime::STACK_OVERFLOW);
421 } else {
422 // Thread was in the vm or native code. Return and try to finish.
423 thread->disable_stack_yellow_reserved_zone();
424 return true;
425 }
426 } else if (thread->in_stack_red_zone(addr)) {
427 // Fatal red zone violation. Disable the guard pages and fall through
428 // to handle_unexpected_exception way down below.
429 thread->disable_stack_red_zone();
430 tty->print_raw_cr("An irrecoverable stack overflow has occurred.");
431 // Sometimes the register windows are not properly flushed.
432 if(uc->uc_mcontext.gwins != NULL) {
433 ::handle_unflushed_register_windows(uc->uc_mcontext.gwins);
434 }
435 }
436 }
437
438
439 if (sig == SIGBUS && thread->doing_unsafe_access()) {
440 stub = SharedRuntime::handle_unsafe_access(thread, npc);
441 }
442
443 else if (thread->thread_state() == _thread_in_Java) {
444 // Java thread running in Java code => find exception handler if any
445 // a fault inside compiled code, the interpreter, or a stub
446
447 // Support Safepoint Polling
448 if (sig == SIGSEGV && os::is_poll_address((address)info->si_addr)) {
449 stub = SharedRuntime::get_poll_stub(pc);
450 }
451
452 // Not needed on x86 solaris because verify_oops doesn't generate
453 // SEGV/BUS like sparc does.
454 if ( (sig == SIGSEGV || sig == SIGBUS)
455 && pc >= MacroAssembler::_verify_oop_implicit_branch[0]
456 && pc < MacroAssembler::_verify_oop_implicit_branch[1] ) {
457 stub = MacroAssembler::_verify_oop_implicit_branch[2];
458 warning("fixed up memory fault in +VerifyOops at address " INTPTR_FORMAT, info->si_addr);
459 }
460
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