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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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14
hotspot/src/share/vm/runtime/compilationPolicy.hpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2000, 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
@ -71,15 +71,15 @@ public:
virtual void reprofile(ScopeDesc* trap_scope, bool is_osr) = 0;
// delay_compilation(method) can be called by any component of the runtime to notify the policy
// that it's recommended to delay the complation of this method.
virtual void delay_compilation(methodOop method) = 0;
virtual void delay_compilation(Method* method) = 0;
// disable_compilation() is called whenever the runtime decides to disable compilation of the
// specified method.
virtual void disable_compilation(methodOop method) = 0;
virtual void disable_compilation(Method* method) = 0;
// Select task is called by CompileBroker. The queue is guaranteed to have at least one
// element and is locked. The function should select one and return it.
virtual CompileTask* select_task(CompileQueue* compile_queue) = 0;
// Tell the runtime if we think a given method is adequately profiled.
virtual bool is_mature(methodOop method) = 0;
virtual bool is_mature(Method* method) = 0;
// Do policy initialization
virtual void initialize() = 0;
virtual bool should_not_inline(ciEnv* env, ciMethod* method) { return false; }
@ -100,9 +100,9 @@ public:
virtual int compiler_count(CompLevel comp_level);
virtual void do_safepoint_work();
virtual void reprofile(ScopeDesc* trap_scope, bool is_osr);
virtual void delay_compilation(methodOop method);
virtual void disable_compilation(methodOop method);
virtual bool is_mature(methodOop method);
virtual void delay_compilation(Method* method);
virtual void disable_compilation(Method* method);
virtual bool is_mature(Method* method);
virtual void initialize();
virtual CompileTask* select_task(CompileQueue* compile_queue);
virtual nmethod* event(methodHandle method, methodHandle inlinee, int branch_bci, int bci, CompLevel comp_level, nmethod* nm, JavaThread* thread);