6964458: Reimplement class meta-data storage to use native memory
Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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#ifndef CPU_X86_VM_C1_GLOBALS_X86_HPP
#define CPU_X86_VM_C1_GLOBALS_X86_HPP
#include "utilities/globalDefinitions.hpp"
#include "utilities/macros.hpp"
// Sets the default values for platform dependent flags used by the client compiler.
// (see c1_globals.hpp)
#ifndef TIERED
define_pd_global(bool, BackgroundCompilation, true );
define_pd_global(bool, UseTLAB, true );
define_pd_global(bool, ResizeTLAB, true );
define_pd_global(bool, InlineIntrinsics, true );
define_pd_global(bool, PreferInterpreterNativeStubs, false);
define_pd_global(bool, ProfileTraps, false);
define_pd_global(bool, UseOnStackReplacement, true );
define_pd_global(bool, TieredCompilation, false);
define_pd_global(intx, CompileThreshold, 1500 );
define_pd_global(intx, BackEdgeThreshold, 100000);
define_pd_global(intx, OnStackReplacePercentage, 933 );
define_pd_global(intx, FreqInlineSize, 325 );
define_pd_global(intx, NewSizeThreadIncrease, 4*K );
define_pd_global(intx, InitialCodeCacheSize, 160*K);
define_pd_global(intx, ReservedCodeCacheSize, 32*M );
define_pd_global(bool, ProfileInterpreter, false);
define_pd_global(intx, CodeCacheExpansionSize, 32*K );
define_pd_global(uintx,CodeCacheMinBlockLength, 1);
define_pd_global(uintx,MetaspaceSize, 12*M );
define_pd_global(bool, NeverActAsServerClassMachine, true );
define_pd_global(uint64_t,MaxRAM, 1ULL*G);
define_pd_global(bool, CICompileOSR, true );
#endif // !TIERED
define_pd_global(bool, UseTypeProfile, false);
define_pd_global(bool, RoundFPResults, true );
define_pd_global(bool, LIRFillDelaySlots, false);
define_pd_global(bool, OptimizeSinglePrecision, true );
define_pd_global(bool, CSEArrayLength, false);
define_pd_global(bool, TwoOperandLIRForm, true );
define_pd_global(intx, SafepointPollOffset, 256 );
#endif // CPU_X86_VM_C1_GLOBALS_X86_HPP