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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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10
hotspot/src/share/vm/prims/jvmtiEnvBase.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2003, 2011, 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
@ -588,7 +588,7 @@ JvmtiEnvBase::vframeFor(JavaThread* java_thread, jint depth) {
jclass
JvmtiEnvBase::get_jni_class_non_null(klassOop k) {
JvmtiEnvBase::get_jni_class_non_null(Klass* k) {
assert(k != NULL, "k != NULL");
return (jclass)jni_reference(Klass::cast(k)->java_mirror());
}
@ -600,7 +600,7 @@ JvmtiEnvBase::get_jni_class_non_null(klassOop k) {
//
bool
JvmtiEnvBase::get_field_descriptor(klassOop k, jfieldID field, fieldDescriptor* fd) {
JvmtiEnvBase::get_field_descriptor(Klass* k, jfieldID field, fieldDescriptor* fd) {
if (!jfieldIDWorkaround::is_valid_jfieldID(k, field)) {
return false;
}
@ -611,7 +611,7 @@ JvmtiEnvBase::get_field_descriptor(klassOop k, jfieldID field, fieldDescriptor*
} else {
// Non-static field. The fieldID is really the offset of the field within the object.
int offset = jfieldIDWorkaround::from_instance_jfieldID(k, field);
found = instanceKlass::cast(k)->find_field_from_offset(offset, false, fd);
found = InstanceKlass::cast(k)->find_field_from_offset(offset, false, fd);
}
return found;
}
@ -930,7 +930,7 @@ JvmtiEnvBase::get_frame_location(JavaThread *java_thread, jint depth,
HandleMark hm(current_thread);
javaVFrame *jvf = javaVFrame::cast(vf);
methodOop method = jvf->method();
Method* method = jvf->method();
if (method->is_native()) {
*location_ptr = -1;
} else {