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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/c1/c1_Runtime1.hpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1999, 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
@ -66,6 +66,7 @@ class StubAssembler;
stub(deoptimize) \
stub(access_field_patching) \
stub(load_klass_patching) \
stub(load_mirror_patching) \
stub(g1_pre_barrier_slow) \
stub(g1_post_barrier_slow) \
stub(fpu2long_stub) \
@ -131,12 +132,12 @@ class Runtime1: public AllStatic {
Register arg1 = noreg, Register arg2 = noreg, Register arg3 = noreg);
// runtime entry points
static void new_instance (JavaThread* thread, klassOopDesc* klass);
static void new_type_array (JavaThread* thread, klassOopDesc* klass, jint length);
static void new_object_array(JavaThread* thread, klassOopDesc* klass, jint length);
static void new_multi_array (JavaThread* thread, klassOopDesc* klass, int rank, jint* dims);
static void new_instance (JavaThread* thread, Klass* klass);
static void new_type_array (JavaThread* thread, Klass* klass, jint length);
static void new_object_array(JavaThread* thread, Klass* klass, jint length);
static void new_multi_array (JavaThread* thread, Klass* klass, int rank, jint* dims);
static address counter_overflow(JavaThread* thread, int bci, methodOopDesc* method);
static address counter_overflow(JavaThread* thread, int bci, Method* method);
static void unimplemented_entry (JavaThread* thread, StubID id);
@ -157,6 +158,7 @@ class Runtime1: public AllStatic {
static int access_field_patching(JavaThread* thread);
static int move_klass_patching(JavaThread* thread);
static int move_mirror_patching(JavaThread* thread);
static void patch_code(JavaThread* thread, StubID stub_id);