view src/cpu/zero/vm/globals_zero.hpp @ 4684:12f651e29f6b

6843347: Boundary values in some public GC options cause crashes Summary: Setting some public integer options to specific values causes crashes or undefined GC behavior. This patchset adds the necessary argument checking for these options. Reviewed-by: jmasa, brutisso
author tschatzl
date Wed, 15 May 2013 11:05:09 +0200
parents 2cd5e15048e6
children bd3237e0e18d
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/*
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 * Copyright 2007, 2008, 2009, 2010, 2011 Red Hat, Inc.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
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#ifndef CPU_ZERO_VM_GLOBALS_ZERO_HPP
#define CPU_ZERO_VM_GLOBALS_ZERO_HPP

#include "utilities/globalDefinitions.hpp"
#include "utilities/macros.hpp"

// Set the default values for platform dependent flags used by the
// runtime system.  See globals.hpp for details of what they do.

define_pd_global(bool,  ConvertSleepToYield,  true);
define_pd_global(bool,  ShareVtableStubs,     true);
define_pd_global(bool,  CountInterpCalls,     true);
define_pd_global(bool,  NeedsDeoptSuspend,    false);

define_pd_global(bool,  ImplicitNullChecks,   true);
define_pd_global(bool,  UncommonNullCast,     true);

define_pd_global(intx,  CodeEntryAlignment,   32);
define_pd_global(intx,  OptoLoopAlignment,    16);
define_pd_global(intx,  InlineFrequencyCount, 100);
define_pd_global(intx,  PreInflateSpin,       10);

define_pd_global(intx,  StackYellowPages,     2);
define_pd_global(intx,  StackRedPages,        1);
define_pd_global(intx,  StackShadowPages,     5 LP64_ONLY(+1) DEBUG_ONLY(+3));

define_pd_global(bool,  RewriteBytecodes,     true);
define_pd_global(bool,  RewriteFrequentPairs, true);

define_pd_global(bool,  UseMembar,            true);

// GC Ergo Flags
define_pd_global(uintx, CMSYoungGenPerWorker, 16*M);  // default max size of CMS young gen, per GC worker thread

#define ARCH_FLAGS(develop, product, diagnostic, experimental, notproduct)

#endif // CPU_ZERO_VM_GLOBALS_ZERO_HPP