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comparison src/share/vm/prims/privilegedStack.cpp @ 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 78bbf4d43a14
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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.
23 */ 23 */
24 24
25 #include "precompiled.hpp" 25 #include "precompiled.hpp"
26 #include "memory/allocation.inline.hpp" 26 #include "memory/allocation.inline.hpp"
27 #include "oops/instanceKlass.hpp" 27 #include "oops/instanceKlass.hpp"
28 #include "oops/methodOop.hpp" 28 #include "oops/method.hpp"
29 #include "oops/oop.inline.hpp" 29 #include "oops/oop.inline.hpp"
30 #include "prims/privilegedStack.hpp" 30 #include "prims/privilegedStack.hpp"
31 #include "runtime/vframe.hpp" 31 #include "runtime/vframe.hpp"
32 32
33 33
34 void PrivilegedElement::initialize(vframeStream* vfst, oop context, PrivilegedElement* next, TRAPS) { 34 void PrivilegedElement::initialize(vframeStream* vfst, oop context, PrivilegedElement* next, TRAPS) {
35 methodOop method = vfst->method(); 35 Method* method = vfst->method();
36 _klass = method->method_holder(); 36 _klass = method->method_holder();
37 _privileged_context = context; 37 _privileged_context = context;
38 #ifdef CHECK_UNHANDLED_OOPS 38 #ifdef CHECK_UNHANDLED_OOPS
39 THREAD->allow_unhandled_oop(&_klass);
40 THREAD->allow_unhandled_oop(&_privileged_context); 39 THREAD->allow_unhandled_oop(&_privileged_context);
41 #endif // CHECK_UNHANDLED_OOPS 40 #endif // CHECK_UNHANDLED_OOPS
42 _frame_id = vfst->frame_id(); 41 _frame_id = vfst->frame_id();
43 _next = next; 42 _next = next;
44 assert(_privileged_context == NULL || _privileged_context->is_oop(), "must be an oop"); 43 assert(_privileged_context == NULL || _privileged_context->is_oop(), "must be an oop");
46 } 45 }
47 46
48 void PrivilegedElement::oops_do(OopClosure* f) { 47 void PrivilegedElement::oops_do(OopClosure* f) {
49 PrivilegedElement *cur = this; 48 PrivilegedElement *cur = this;
50 do { 49 do {
51 f->do_oop((oop*) &cur->_klass);
52 f->do_oop((oop*) &cur->_privileged_context); 50 f->do_oop((oop*) &cur->_privileged_context);
51 cur = cur->_next;
52 } while(cur != NULL);
53 }
54
55 void PrivilegedElement::classes_do(KlassClosure* f) {
56 PrivilegedElement *cur = this;
57 do {
58 f->do_klass(cur->_klass);
53 cur = cur->_next; 59 cur = cur->_next;
54 } while(cur != NULL); 60 } while(cur != NULL);
55 } 61 }
56 62
57 //------------------------------------------------------------------------------- 63 //-------------------------------------------------------------------------------