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8046936: JEP 270: Reserved Stack Areas for Critical Sections

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Reviewed-by: acorn, dcubed
This commit is contained in:
Frederic Parain 2015-12-11 09:07:07 -08:00
parent f6440f7fb1
commit ef800bd53f
69 changed files with 987 additions and 64 deletions
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10
hotspot/src/share/vm/memory/universe.cpp
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@ -125,6 +125,7 @@ oop Universe::_out_of_memory_error_class_metaspace = NULL;
oop Universe::_out_of_memory_error_array_size = NULL;
oop Universe::_out_of_memory_error_gc_overhead_limit = NULL;
oop Universe::_out_of_memory_error_realloc_objects = NULL;
oop Universe::_delayed_stack_overflow_error_message = NULL;
objArrayOop Universe::_preallocated_out_of_memory_error_array = NULL;
volatile jint Universe::_preallocated_out_of_memory_error_avail_count = 0;
bool Universe::_verify_in_progress = false;
@ -200,7 +201,8 @@ void Universe::oops_do(OopClosure* f, bool do_all) {
f->do_oop((oop*)&_out_of_memory_error_array_size);
f->do_oop((oop*)&_out_of_memory_error_gc_overhead_limit);
f->do_oop((oop*)&_out_of_memory_error_realloc_objects);
f->do_oop((oop*)&_preallocated_out_of_memory_error_array);
f->do_oop((oop*)&_delayed_stack_overflow_error_message);
f->do_oop((oop*)&_preallocated_out_of_memory_error_array);
f->do_oop((oop*)&_null_ptr_exception_instance);
f->do_oop((oop*)&_arithmetic_exception_instance);
f->do_oop((oop*)&_virtual_machine_error_instance);
@ -909,6 +911,12 @@ bool universe_post_init() {
k_h->allocate_instance(CHECK_false);
Universe::_out_of_memory_error_realloc_objects = k_h->allocate_instance(CHECK_false);
// Setup preallocated cause message for delayed StackOverflowError
if (StackReservedPages > 0) {
Universe::_delayed_stack_overflow_error_message =
java_lang_String::create_oop_from_str("Delayed StackOverflowError due to ReservedStackAccess annotated method", CHECK_false);
}
// Setup preallocated NullPointerException
// (this is currently used for a cheap & dirty solution in compiler exception handling)
k = SystemDictionary::resolve_or_fail(vmSymbols::java_lang_NullPointerException(), true, CHECK_false);