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With recent G1 allocation path changes, the value of StackShadowPages in fast debug builds of the JVM, is no longer large enough to prevent the JVM C++ code from touching the stack guard pages. Increase the value of StackShadowPages to a suitable value. Reviewed-by: ysr, tonyp, coleenp
75 lines
3.2 KiB
C++
75 lines
3.2 KiB
C++
/*
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* Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#ifndef CPU_X86_VM_GLOBALS_X86_HPP
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#define CPU_X86_VM_GLOBALS_X86_HPP
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#include "utilities/globalDefinitions.hpp"
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#include "utilities/macros.hpp"
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// Sets the default values for platform dependent flags used by the runtime system.
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// (see globals.hpp)
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define_pd_global(bool, ConvertSleepToYield, true);
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define_pd_global(bool, ShareVtableStubs, true);
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define_pd_global(bool, CountInterpCalls, true);
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define_pd_global(bool, NeedsDeoptSuspend, false); // only register window machines need this
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define_pd_global(bool, ImplicitNullChecks, true); // Generate code for implicit null checks
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define_pd_global(bool, UncommonNullCast, true); // Uncommon-trap NULLs past to check cast
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// See 4827828 for this change. There is no globals_core_i486.hpp. I can't
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// assign a different value for C2 without touching a number of files. Use
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// #ifdef to minimize the change as it's late in Mantis. -- FIXME.
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// c1 doesn't have this problem because the fix to 4858033 assures us
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// the the vep is aligned at CodeEntryAlignment whereas c2 only aligns
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// the uep and the vep doesn't get real alignment but just slops on by
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// only assured that the entry instruction meets the 5 byte size requirement.
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#ifdef COMPILER2
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define_pd_global(intx, CodeEntryAlignment, 32);
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#else
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define_pd_global(intx, CodeEntryAlignment, 16);
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#endif // COMPILER2
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define_pd_global(intx, OptoLoopAlignment, 16);
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define_pd_global(intx, InlineFrequencyCount, 100);
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define_pd_global(intx, InlineSmallCode, 1000);
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define_pd_global(intx, StackYellowPages, 2);
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define_pd_global(intx, StackRedPages, 1);
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#ifdef AMD64
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// Very large C++ stack frames using solaris-amd64 optimized builds
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// due to lack of optimization caused by C++ compiler bugs
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define_pd_global(intx, StackShadowPages, SOLARIS_ONLY(20) NOT_SOLARIS(6) DEBUG_ONLY(+2));
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#else
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define_pd_global(intx, StackShadowPages, 3 DEBUG_ONLY(+5));
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#endif // AMD64
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define_pd_global(intx, PreInflateSpin, 10);
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define_pd_global(bool, RewriteBytecodes, true);
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define_pd_global(bool, RewriteFrequentPairs, true);
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define_pd_global(bool, UseMembar, false);
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#endif // CPU_X86_VM_GLOBALS_X86_HPP
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