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6990754: Use native memory and reference counting to implement SymbolTable

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Move symbols from permgen into C heap and reference count them

Reviewed-by: never, acorn, jmasa, stefank
This commit is contained in:
Coleen Phillimore 2011-01-27 16:11:27 -08:00
parent 950858350d
commit 7b4f8073f0
223 changed files with 3783 additions and 3641 deletions
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12
hotspot/src/share/vm/ci/ciMethod.cpp
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@ -122,9 +122,9 @@ ciMethod::ciMethod(methodHandle h_m) : ciObject(h_m) {
// generating _signature may allow GC and therefore move m.
// These fields are always filled in.
_name = env->get_object(h_m()->name())->as_symbol();
_name = env->get_symbol(h_m()->name());
_holder = env->get_object(h_m()->method_holder())->as_instance_klass();
ciSymbol* sig_symbol = env->get_object(h_m()->signature())->as_symbol();
ciSymbol* sig_symbol = env->get_symbol(h_m()->signature());
_signature = new (env->arena()) ciSignature(_holder, sig_symbol);
_method_data = NULL;
// Take a snapshot of these values, so they will be commensurate with the MDO.
@ -649,8 +649,8 @@ ciMethod* ciMethod::resolve_invoke(ciKlass* caller, ciKlass* exact_receiver) {
KlassHandle caller_klass (THREAD, caller->get_klassOop());
KlassHandle h_recv (THREAD, exact_receiver->get_klassOop());
KlassHandle h_resolved (THREAD, holder()->get_klassOop());
symbolHandle h_name (THREAD, name()->get_symbolOop());
symbolHandle h_signature (THREAD, signature()->get_symbolOop());
Symbol* h_name = name()->get_symbol();
Symbol* h_signature = signature()->get_symbol();
methodHandle m;
// Only do exact lookup if receiver klass has been linked. Otherwise,
@ -702,8 +702,8 @@ int ciMethod::resolve_vtable_index(ciKlass* caller, ciKlass* receiver) {
KlassHandle caller_klass (THREAD, caller->get_klassOop());
KlassHandle h_recv (THREAD, receiver->get_klassOop());
symbolHandle h_name (THREAD, name()->get_symbolOop());
symbolHandle h_signature (THREAD, signature()->get_symbolOop());
Symbol* h_name = name()->get_symbol();
Symbol* h_signature = signature()->get_symbol();
vtable_index = LinkResolver::resolve_virtual_vtable_index(h_recv, h_recv, h_name, h_signature, caller_klass);
if (vtable_index == methodOopDesc::nonvirtual_vtable_index) {