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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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6
hotspot/src/share/vm/runtime/dtraceJSDT.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1997, 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
@ -67,7 +67,7 @@ jlong DTraceJSDT::activate(
assert(probe->name != NULL, "valid probe name");
assert(probe->function != NULL, "valid probe function spec");
methodHandle h_method =
methodHandle(THREAD, JNIHandles::resolve_jmethod_id(probe->method));
methodHandle(THREAD, Method::resolve_jmethod_id(probe->method));
nmethod* nm = AdapterHandlerLibrary::create_dtrace_nmethod(h_method);
if (nm == NULL) {
delete probes;
@ -92,7 +92,7 @@ jlong DTraceJSDT::activate(
}
jboolean DTraceJSDT::is_probe_enabled(jmethodID method) {
methodOop m = JNIHandles::resolve_jmethod_id(method);
Method* m = Method::resolve_jmethod_id(method);
return nativeInstruction_at(m->code()->trap_address())->is_dtrace_trap();
}