506
507 // notify JVMTI of an exception throw; JVMTI will detect if this is a first
508 // time throw or a stack unwinding throw and accordingly notify the debugger
509 if (JvmtiExport::can_post_on_exceptions()) {
510 JvmtiExport::post_exception_throw(thread, h_method(), bcp(thread), h_exception());
511 }
512
513 #ifdef CC_INTERP
514 address continuation = (address)(intptr_t) handler_bci;
515 #else
516 address continuation = NULL;
517 #endif
518 address handler_pc = NULL;
519 if (handler_bci < 0 || !thread->reguard_stack((address) &continuation)) {
520 // Forward exception to callee (leaving bci/bcp untouched) because (a) no
521 // handler in this method, or (b) after a stack overflow there is not yet
522 // enough stack space available to reprotect the stack.
523 #ifndef CC_INTERP
524 continuation = Interpreter::remove_activation_entry();
525 #endif
526 // Count this for compilation purposes
527 h_method->interpreter_throwout_increment(THREAD);
528 } else {
529 // handler in this method => change bci/bcp to handler bci/bcp and continue there
530 handler_pc = h_method->code_base() + handler_bci;
531 #ifndef CC_INTERP
532 set_bcp_and_mdp(handler_pc, thread);
533 continuation = Interpreter::dispatch_table(vtos)[*handler_pc];
534 #endif
535 }
536 // notify debugger of an exception catch
537 // (this is good for exceptions caught in native methods as well)
538 if (JvmtiExport::can_post_on_exceptions()) {
539 JvmtiExport::notice_unwind_due_to_exception(thread, h_method(), handler_pc, h_exception(), (handler_pc != NULL));
540 }
541
542 thread->set_vm_result(h_exception());
543 return continuation;
544 IRT_END
545
546
547 IRT_ENTRY(void, InterpreterRuntime::throw_pending_exception(JavaThread* thread))
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506
507 // notify JVMTI of an exception throw; JVMTI will detect if this is a first
508 // time throw or a stack unwinding throw and accordingly notify the debugger
509 if (JvmtiExport::can_post_on_exceptions()) {
510 JvmtiExport::post_exception_throw(thread, h_method(), bcp(thread), h_exception());
511 }
512
513 #ifdef CC_INTERP
514 address continuation = (address)(intptr_t) handler_bci;
515 #else
516 address continuation = NULL;
517 #endif
518 address handler_pc = NULL;
519 if (handler_bci < 0 || !thread->reguard_stack((address) &continuation)) {
520 // Forward exception to callee (leaving bci/bcp untouched) because (a) no
521 // handler in this method, or (b) after a stack overflow there is not yet
522 // enough stack space available to reprotect the stack.
523 #ifndef CC_INTERP
524 continuation = Interpreter::remove_activation_entry();
525 #endif
526 #if COMPILER2_OR_JVMCI
527 // Count this for compilation purposes
528 h_method->interpreter_throwout_increment(THREAD);
529 #endif
530 } else {
531 // handler in this method => change bci/bcp to handler bci/bcp and continue there
532 handler_pc = h_method->code_base() + handler_bci;
533 #ifndef CC_INTERP
534 set_bcp_and_mdp(handler_pc, thread);
535 continuation = Interpreter::dispatch_table(vtos)[*handler_pc];
536 #endif
537 }
538 // notify debugger of an exception catch
539 // (this is good for exceptions caught in native methods as well)
540 if (JvmtiExport::can_post_on_exceptions()) {
541 JvmtiExport::notice_unwind_due_to_exception(thread, h_method(), handler_pc, h_exception(), (handler_pc != NULL));
542 }
543
544 thread->set_vm_result(h_exception());
545 return continuation;
546 IRT_END
547
548
549 IRT_ENTRY(void, InterpreterRuntime::throw_pending_exception(JavaThread* thread))
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