Mercurial > hg > truffle
diff src/share/vm/runtime/jniHandles.cpp @ 6725:da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
| author | coleenp |
|---|---|
| date | Sat, 01 Sep 2012 13:25:18 -0400 |
| parents | f08d439fab8c |
| children | f34d701e952e |
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--- a/src/share/vm/runtime/jniHandles.cpp Fri Aug 31 16:39:35 2012 -0700 +++ b/src/share/vm/runtime/jniHandles.cpp Sat Sep 01 13:25:18 2012 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1998, 2011, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1998, 2012, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -111,19 +111,6 @@ return res; } -jmethodID JNIHandles::make_jmethod_id(methodHandle mh) { - return (jmethodID) make_weak_global(mh); -} - - - -void JNIHandles::change_method_associated_with_jmethod_id(jmethodID jmid, methodHandle mh) { - MutexLocker ml(JNIGlobalHandle_lock); // Is this necessary? - Handle obj = (Handle)mh; - oop* jobj = (oop*)jmid; - *jobj = obj(); -} - void JNIHandles::destroy_global(jobject handle) { if (handle != NULL) { @@ -140,10 +127,6 @@ } } -void JNIHandles::destroy_jmethod_id(jmethodID mid) { - destroy_weak_global((jobject)mid); -} - void JNIHandles::oops_do(OopClosure* f) { f->do_oop(&_deleted_handle); @@ -162,8 +145,8 @@ EXCEPTION_MARK; // We will never reach the CATCH below since Exceptions::_throw will cause // the VM to exit if an exception is thrown during initialization - klassOop k = SystemDictionary::Object_klass(); - _deleted_handle = instanceKlass::cast(k)->allocate_permanent_instance(CATCH); + Klass* k = SystemDictionary::Object_klass(); + _deleted_handle = InstanceKlass::cast(k)->allocate_instance(CATCH); }