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6420645: Create a vm that uses compressed oops for up to 32gb heapsizes

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Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv

Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold
This commit is contained in:
Coleen Phillimore 2008-04-13 17:43:42 -04:00
parent 680ecf1611
commit 4a831d45f0
273 changed files with 6585 additions and 2993 deletions
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15
hotspot/src/share/vm/oops/constantPoolKlass.cpp
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@ -29,8 +29,9 @@ constantPoolOop constantPoolKlass::allocate(int length, TRAPS) {
int size = constantPoolOopDesc::object_size(length);
KlassHandle klass (THREAD, as_klassOop());
constantPoolOop c =
(constantPoolOop)CollectedHeap::permanent_array_allocate(klass, size, length, CHECK_NULL);
(constantPoolOop)CollectedHeap::permanent_obj_allocate(klass, size, CHECK_NULL);
c->set_length(length);
c->set_tags(NULL);
c->set_cache(NULL);
c->set_pool_holder(NULL);
@ -54,14 +55,14 @@ constantPoolOop constantPoolKlass::allocate(int length, TRAPS) {
klassOop constantPoolKlass::create_klass(TRAPS) {
constantPoolKlass o;
KlassHandle klassklass(THREAD, Universe::arrayKlassKlassObj());
arrayKlassHandle k = base_create_array_klass(o.vtbl_value(), header_size(), klassklass, CHECK_NULL);
arrayKlassHandle super (THREAD, k->super());
complete_create_array_klass(k, super, CHECK_NULL);
KlassHandle h_this_klass(THREAD, Universe::klassKlassObj());
KlassHandle k = base_create_klass(h_this_klass, header_size(), o.vtbl_value(), CHECK_NULL);
// Make sure size calculation is right
assert(k()->size() == align_object_size(header_size()), "wrong size for object");
java_lang_Class::create_mirror(k, CHECK_NULL); // Allocate mirror
return k();
}
int constantPoolKlass::oop_size(oop obj) const {
assert(obj->is_constantPool(), "must be constantPool");
return constantPoolOop(obj)->object_size();
@ -275,7 +276,7 @@ void constantPoolKlass::oop_print_on(oop obj, outputStream* st) {
EXCEPTION_MARK;
oop anObj;
assert(obj->is_constantPool(), "must be constantPool");
arrayKlass::oop_print_on(obj, st);
Klass::oop_print_on(obj, st);
constantPoolOop cp = constantPoolOop(obj);
// Temp. remove cache so we can do lookups with original indicies.