Mercurial > hg > truffle
diff src/share/vm/prims/jvmtiImpl.hpp @ 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 | d2a62e0f25eb |
children | fb19af007ffc |
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--- a/src/share/vm/prims/jvmtiImpl.hpp Fri Aug 31 16:39:35 2012 -0700 +++ b/src/share/vm/prims/jvmtiImpl.hpp Sat Sep 01 13:25:18 2012 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1999, 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 @@ -164,17 +164,18 @@ // A JvmtiBreakpoint describes a location (class, method, bci) to break at. // -typedef void (methodOopDesc::*method_action)(int _bci); +typedef void (Method::*method_action)(int _bci); class JvmtiBreakpoint : public GrowableElement { private: - methodOop _method; + Method* _method; int _bci; Bytecodes::Code _orig_bytecode; + oop _class_loader; public: JvmtiBreakpoint(); - JvmtiBreakpoint(methodOop m_method, jlocation location); + JvmtiBreakpoint(Method* m_method, jlocation location); bool equals(JvmtiBreakpoint& bp); bool lessThan(JvmtiBreakpoint &bp); void copy(JvmtiBreakpoint& bp); @@ -185,13 +186,16 @@ void clear(); void print(); - methodOop method() { return _method; } + Method* method() { return _method; } // GrowableElement implementation address getCacheValue() { return getBcp(); } bool lessThan(GrowableElement* e) { Unimplemented(); return false; } bool equals(GrowableElement* e) { return equals((JvmtiBreakpoint&) *e); } - void oops_do(OopClosure* f) { f->do_oop((oop *) &_method); } + void oops_do(OopClosure* f) { + // Mark the method loader as live + f->do_oop(&_class_loader); + } GrowableElement *clone() { JvmtiBreakpoint *bp = new JvmtiBreakpoint(); bp->copy(*this); @@ -283,7 +287,7 @@ int set(JvmtiBreakpoint& bp); int clear(JvmtiBreakpoint& bp); - void clearall_in_class_at_safepoint(klassOop klass); + void clearall_in_class_at_safepoint(Klass* klass); void clearall(); void gc_epilogue(); };