Mercurial > hg > graal-compiler
view src/cpu/sparc/vm/globals_sparc.hpp @ 609:ea20d7ce26b0
6800721: 3/4 JavaThread::jvmti_thread_state() and JvmtiThreadState::state_for() robustness
Summary: Check for NULL return values from jvmti_thread_state() and state_for() and return a JVM TI error code as appropriate.
Reviewed-by: coleenp, swamyv
author | dcubed |
---|---|
date | Mon, 02 Mar 2009 14:00:23 -0700 |
parents | a61af66fc99e |
children | f6da6f0174ac |
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/* * Copyright 2000-2006 Sun Microsystems, Inc. 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 * under the terms of the GNU General Public License version 2 only, as * 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). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ // // Sets the default values for platform dependent flags used by the runtime system. // (see globals.hpp) // // For sparc we do not do call backs when a thread is in the interpreter, because the // interpreter dispatch needs at least two instructions - first to load the dispatch address // in a register, and second to jmp. The swapping of the dispatch table may occur _after_ // the load of the dispatch address and hence the jmp would still go to the location // according to the prior table. So, we let the thread continue and let it block by itself. define_pd_global(bool, DontYieldALot, true); // yield no more than 100 times per second define_pd_global(bool, ConvertSleepToYield, false); // do not convert sleep(0) to yield. Helps GUI define_pd_global(bool, ShareVtableStubs, false); // improves performance markedly for mtrt and compress define_pd_global(bool, CountInterpCalls, false); // not implemented in the interpreter define_pd_global(bool, NeedsDeoptSuspend, true); // register window machines need this define_pd_global(bool, ImplicitNullChecks, true); // Generate code for implicit null checks define_pd_global(bool, UncommonNullCast, true); // Uncommon-trap NULLs past to check cast define_pd_global(intx, CodeEntryAlignment, 32); define_pd_global(uintx, TLABSize, 0); define_pd_global(uintx, NewSize, ScaleForWordSize((2048 * K) + (2 * (64 * K)))); define_pd_global(intx, SurvivorRatio, 8); define_pd_global(intx, InlineFrequencyCount, 50); // we can use more inlining on the SPARC #ifdef _LP64 // Stack slots are 2X larger in LP64 than in the 32 bit VM. define_pd_global(intx, ThreadStackSize, 1024); define_pd_global(intx, VMThreadStackSize, 1024); #else define_pd_global(intx, ThreadStackSize, 512); define_pd_global(intx, VMThreadStackSize, 512); #endif define_pd_global(intx, StackYellowPages, 2); define_pd_global(intx, StackRedPages, 1); define_pd_global(intx, StackShadowPages, 3 DEBUG_ONLY(+1)); define_pd_global(intx, PreInflateSpin, 40); // Determined by running design center define_pd_global(bool, RewriteBytecodes, true); define_pd_global(bool, RewriteFrequentPairs, true);