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8305405: Compile_lock not needed in Universe::genesis()

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Reviewed-by: dholmes, fparain
This commit is contained in:
Coleen Phillimore 2023-04-14 15:34:29 +00:00
parent ebeee6dce8
commit 1fd400608e
1 changed files with 19 additions and 22 deletions

41
src/hotspot/share/memory/universe.cpp

@ -326,31 +326,28 @@ void Universe::genesis(TRAPS) {
{ AutoModifyRestore<bool> temporarily(_bootstrapping, true);
{ MutexLocker mc(THREAD, Compile_lock);
java_lang_Class::allocate_fixup_lists();
java_lang_Class::allocate_fixup_lists();
// determine base vtable size; without that we cannot create the array klasses
compute_base_vtable_size();
// determine base vtable size; without that we cannot create the array klasses
compute_base_vtable_size();
if (!UseSharedSpaces) {
// Initialization of the fillerArrayKlass must come before regular
// int-TypeArrayKlass so that the int-Array mirror points to the
// int-TypeArrayKlass.
_fillerArrayKlassObj = TypeArrayKlass::create_klass(T_INT, "Ljdk/internal/vm/FillerArray;", CHECK);
for (int i = T_BOOLEAN; i < T_LONG+1; i++) {
_typeArrayKlassObjs[i] = TypeArrayKlass::create_klass((BasicType)i, CHECK);
}
ClassLoaderData* null_cld = ClassLoaderData::the_null_class_loader_data();
_the_array_interfaces_array = MetadataFactory::new_array<Klass*>(null_cld, 2, nullptr, CHECK);
_the_empty_int_array = MetadataFactory::new_array<int>(null_cld, 0, CHECK);
_the_empty_short_array = MetadataFactory::new_array<u2>(null_cld, 0, CHECK);
_the_empty_method_array = MetadataFactory::new_array<Method*>(null_cld, 0, CHECK);
_the_empty_klass_array = MetadataFactory::new_array<Klass*>(null_cld, 0, CHECK);
_the_empty_instance_klass_array = MetadataFactory::new_array<InstanceKlass*>(null_cld, 0, CHECK);
if (!UseSharedSpaces) {
// Initialization of the fillerArrayKlass must come before regular
// int-TypeArrayKlass so that the int-Array mirror points to the
// int-TypeArrayKlass.
_fillerArrayKlassObj = TypeArrayKlass::create_klass(T_INT, "Ljdk/internal/vm/FillerArray;", CHECK);
for (int i = T_BOOLEAN; i < T_LONG+1; i++) {
_typeArrayKlassObjs[i] = TypeArrayKlass::create_klass((BasicType)i, CHECK);
}
ClassLoaderData* null_cld = ClassLoaderData::the_null_class_loader_data();
_the_array_interfaces_array = MetadataFactory::new_array<Klass*>(null_cld, 2, nullptr, CHECK);
_the_empty_int_array = MetadataFactory::new_array<int>(null_cld, 0, CHECK);
_the_empty_short_array = MetadataFactory::new_array<u2>(null_cld, 0, CHECK);
_the_empty_method_array = MetadataFactory::new_array<Method*>(null_cld, 0, CHECK);
_the_empty_klass_array = MetadataFactory::new_array<Klass*>(null_cld, 0, CHECK);
_the_empty_instance_klass_array = MetadataFactory::new_array<InstanceKlass*>(null_cld, 0, CHECK);
}
vmSymbols::initialize();