355 // Since the call stub sets up like the interpreter we call the from_interpreted_entry
356 // so we can go compiled via a i2c. Otherwise initial entry method will always
357 // run interpreted.
358 address entry_point = method->from_interpreted_entry();
359 if (JvmtiExport::can_post_interpreter_events() && thread->is_interp_only_mode()) {
360 entry_point = method->interpreter_entry();
361 }
362
363 // Figure out if the result value is an oop or not (Note: This is a different value
364 // than result_type. result_type will be T_INT of oops. (it is about size)
365 BasicType result_type = runtime_type_from(result);
366 bool oop_result_flag = (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY);
367
368 // NOTE: if we move the computation of the result_val_address inside
369 // the call to call_stub, the optimizer produces wrong code.
370 intptr_t* result_val_address = (intptr_t*)(result->get_value_addr());
371
372 // Find receiver
373 Handle receiver = (!method->is_static()) ? args->receiver() : Handle();
374
375 // When we reenter Java, we need to reenable the yellow zone which
376 // might already be disabled when we are in VM.
377 if (thread->stack_yellow_zone_disabled()) {
378 thread->reguard_stack();
379 }
380
381 // Check that there are shadow pages available before changing thread state
382 // to Java
383 if (!os::stack_shadow_pages_available(THREAD, method)) {
384 // Throw stack overflow exception with preinitialized exception.
385 Exceptions::throw_stack_overflow_exception(THREAD, __FILE__, __LINE__, method);
386 return;
387 } else {
388 // Touch pages checked if the OS needs them to be touched to be mapped.
389 os::bang_stack_shadow_pages();
390 }
391
392 #if INCLUDE_JVMCI
393 if (alternative_target != NULL) {
394 if (alternative_target->is_alive()) {
395 thread->set_jvmci_alternate_call_target(alternative_target->verified_entry_point());
396 entry_point = method->adapter()->get_i2c_entry();
397 } else {
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355 // Since the call stub sets up like the interpreter we call the from_interpreted_entry
356 // so we can go compiled via a i2c. Otherwise initial entry method will always
357 // run interpreted.
358 address entry_point = method->from_interpreted_entry();
359 if (JvmtiExport::can_post_interpreter_events() && thread->is_interp_only_mode()) {
360 entry_point = method->interpreter_entry();
361 }
362
363 // Figure out if the result value is an oop or not (Note: This is a different value
364 // than result_type. result_type will be T_INT of oops. (it is about size)
365 BasicType result_type = runtime_type_from(result);
366 bool oop_result_flag = (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY);
367
368 // NOTE: if we move the computation of the result_val_address inside
369 // the call to call_stub, the optimizer produces wrong code.
370 intptr_t* result_val_address = (intptr_t*)(result->get_value_addr());
371
372 // Find receiver
373 Handle receiver = (!method->is_static()) ? args->receiver() : Handle();
374
375 // When we reenter Java, we need to reenable the reserved/yellow zone which
376 // might already be disabled when we are in VM.
377 if (!thread->stack_guards_enabled()) {
378 thread->reguard_stack();
379 }
380
381 // Check that there are shadow pages available before changing thread state
382 // to Java
383 if (!os::stack_shadow_pages_available(THREAD, method)) {
384 // Throw stack overflow exception with preinitialized exception.
385 Exceptions::throw_stack_overflow_exception(THREAD, __FILE__, __LINE__, method);
386 return;
387 } else {
388 // Touch pages checked if the OS needs them to be touched to be mapped.
389 os::bang_stack_shadow_pages();
390 }
391
392 #if INCLUDE_JVMCI
393 if (alternative_target != NULL) {
394 if (alternative_target->is_alive()) {
395 thread->set_jvmci_alternate_call_target(alternative_target->verified_entry_point());
396 entry_point = method->adapter()->get_i2c_entry();
397 } else {
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