hotspot/src/cpu/zero/vm/globals_zero.hpp
author tschatzl
Wed, 15 May 2013 11:05:09 +0200
changeset 17392 2f967c0e4246
parent 14622 8e94e4186d35
child 21198 dd647e8d1d72
child 22832 03720a5b7595
permissions -rw-r--r--
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

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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