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6964458: Reimplement class meta-data storage to use native memory

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Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes

Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com>
Co-authored-by: Mikael Gerdin <mikael.gerdin@oracle.com>
Co-authored-by: Tom Rodriguez <tom.rodriguez@oracle.com>
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
This commit is contained in:
Jon Masamitsu 2012-09-01 13:25:18 -04:00 • committed by Coleen Phillimore
parent 36eee7c8c8
commit 5c58d27aac
853 changed files with 26124 additions and 82956 deletions
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8
hotspot/src/share/vm/prims/jvmtiEnvBase.hpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2003, 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
@ -264,8 +264,8 @@ class JvmtiEnvBase : public CHeapObj<mtInternal> {
// convert from JNIHandle to JavaThread *
JavaThread * get_JavaThread(jthread jni_thread);
// convert to a jni jclass from a non-null klassOop
jclass get_jni_class_non_null(klassOop k);
// convert to a jni jclass from a non-null Klass*
jclass get_jni_class_non_null(Klass* k);
jint count_locked_objects(JavaThread *java_thread, Handle hobj);
jvmtiError get_locked_objects_in_frame(JavaThread *calling_thread,
@ -277,7 +277,7 @@ class JvmtiEnvBase : public CHeapObj<mtInternal> {
public:
// get a field descriptor for the specified class and field
static bool get_field_descriptor(klassOop k, jfieldID field, fieldDescriptor* fd);
static bool get_field_descriptor(Klass* k, jfieldID field, fieldDescriptor* fd);
// test for suspend - most (all?) of these should go away
static bool is_thread_fully_suspended(JavaThread *thread,
bool wait_for_suspend,