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comparison src/share/vm/prims/privilegedStack.hpp @ 6725:da91efe96a93

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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 f95d63e2154a
children
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6724:36d1d483d5d6 6725:da91efe96a93
1 /* 1 /*
2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
30 #include "runtime/vframe.hpp" 30 #include "runtime/vframe.hpp"
31 #include "utilities/growableArray.hpp" 31 #include "utilities/growableArray.hpp"
32 32
33 class PrivilegedElement VALUE_OBJ_CLASS_SPEC { 33 class PrivilegedElement VALUE_OBJ_CLASS_SPEC {
34 private: 34 private:
35 klassOop _klass; // klass for method 35 Klass* _klass; // klass for method
36 oop _privileged_context; // context for operation 36 oop _privileged_context; // context for operation
37 intptr_t* _frame_id; // location on stack 37 intptr_t* _frame_id; // location on stack
38 PrivilegedElement* _next; // Link to next one on stack 38 PrivilegedElement* _next; // Link to next one on stack
39 public: 39 public:
40 void initialize(vframeStream* vf, oop context, PrivilegedElement* next, TRAPS); 40 void initialize(vframeStream* vf, oop context, PrivilegedElement* next, TRAPS);
41 void oops_do(OopClosure* f); 41 void oops_do(OopClosure* f);
42 void classes_do(KlassClosure* f);
42 intptr_t* frame_id() const { return _frame_id; } 43 intptr_t* frame_id() const { return _frame_id; }
43 oop privileged_context() const { return _privileged_context; } 44 oop privileged_context() const { return _privileged_context; }
44 oop class_loader() const { return instanceKlass::cast(_klass)->class_loader(); } 45 oop class_loader() const { return InstanceKlass::cast(_klass)->class_loader(); }
45 oop protection_domain() const { return instanceKlass::cast(_klass)->protection_domain(); } 46 oop protection_domain() const { return InstanceKlass::cast(_klass)->protection_domain(); }
46 PrivilegedElement *next() const { return _next; } 47 PrivilegedElement *next() const { return _next; }
47 48
48 // debugging (used for find) 49 // debugging (used for find)
49 void print_on(outputStream* st) const PRODUCT_RETURN; 50 void print_on(outputStream* st) const PRODUCT_RETURN;
50 bool contains(address addr) PRODUCT_RETURN0; 51 bool contains(address addr) PRODUCT_RETURN0;