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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/cpu/sparc/vm/stubGenerator_sparc.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1997, 2011, 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
@ -28,7 +28,7 @@
#include "interpreter/interpreter.hpp"
#include "nativeInst_sparc.hpp"
#include "oops/instanceOop.hpp"
#include "oops/methodOop.hpp"
#include "oops/method.hpp"
#include "oops/objArrayKlass.hpp"
#include "oops/oop.inline.hpp"
#include "prims/methodHandles.hpp"
@ -3016,7 +3016,7 @@ class StubGenerator: public StubCodeGenerator {
BLOCK_COMMENT("arraycopy argument klass checks");
// get src->klass()
if (UseCompressedOops) {
if (UseCompressedKlassPointers) {
__ delayed()->nop(); // ??? not good
__ load_klass(src, G3_src_klass);
} else {
@ -3051,7 +3051,7 @@ class StubGenerator: public StubCodeGenerator {
// Load 32-bits signed value. Use br() instruction with it to check icc.
__ lduw(G3_src_klass, lh_offset, G5_lh);
if (UseCompressedOops) {
if (UseCompressedKlassPointers) {
__ load_klass(dst, G4_dst_klass);
}
// Handle objArrays completely differently...
@ -3059,7 +3059,7 @@ class StubGenerator: public StubCodeGenerator {
__ set(objArray_lh, O5_temp);
__ cmp(G5_lh, O5_temp);
__ br(Assembler::equal, false, Assembler::pt, L_objArray);
if (UseCompressedOops) {
if (UseCompressedKlassPointers) {
__ delayed()->nop();
} else {
__ delayed()->ld_ptr(dst, oopDesc::klass_offset_in_bytes(), G4_dst_klass);