9b7a61eff1
Exit VM with Error when JVMCI does not support seected GC. Reviewed-by: iveresov, thartmann
129 lines
6.8 KiB
C++
129 lines
6.8 KiB
C++
/*
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* Copyright (c) 2000, 2018, 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 SHARE_VM_JVMCI_JVMCIGLOBALS_HPP
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#define SHARE_VM_JVMCI_JVMCIGLOBALS_HPP
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#include "runtime/globals.hpp"
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//
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// Defines all global flags used by the JVMCI compiler. Only flags that need
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// to be accessible to the JVMCI C++ code should be defined here.
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//
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#define JVMCI_FLAGS(develop, \
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develop_pd, \
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product, \
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product_pd, \
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diagnostic, \
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diagnostic_pd, \
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experimental, \
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notproduct, \
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range, \
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constraint, \
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writeable) \
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\
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experimental(bool, EnableJVMCI, false, \
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"Enable JVMCI") \
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\
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experimental(bool, UseJVMCICompiler, false, \
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"Use JVMCI as the default compiler") \
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\
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experimental(bool, JVMCIPrintProperties, false, \
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"Prints properties used by the JVMCI compiler and exits") \
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\
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experimental(bool, BootstrapJVMCI, false, \
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"Bootstrap JVMCI before running Java main method") \
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\
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experimental(bool, EagerJVMCI, false, \
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"Force eager JVMCI initialization") \
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\
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experimental(bool, PrintBootstrap, true, \
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"Print JVMCI bootstrap progress and summary") \
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\
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experimental(intx, JVMCIThreads, 1, \
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"Force number of JVMCI compiler threads to use") \
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range(1, max_jint) \
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\
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experimental(intx, JVMCIHostThreads, 1, \
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"Force number of compiler threads for JVMCI host compiler") \
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range(1, max_jint) \
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\
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NOT_COMPILER2(product(intx, MaxVectorSize, 64, \
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"Max vector size in bytes, " \
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"actual size could be less depending on elements type")) \
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\
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NOT_COMPILER2(product(bool, ReduceInitialCardMarks, true, \
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"Defer write barriers of young objects")) \
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\
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experimental(intx, JVMCITraceLevel, 0, \
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"Trace level for JVMCI: " \
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"1 means emit a message for each CompilerToVM call," \
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"levels greater than 1 provide progressively greater detail") \
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\
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experimental(intx, JVMCICounterSize, 0, \
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"Reserved size for benchmark counters") \
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range(0, max_jint) \
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\
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experimental(bool, JVMCICountersExcludeCompiler, true, \
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"Exclude JVMCI compiler threads from benchmark counters") \
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\
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develop(bool, JVMCIUseFastLocking, true, \
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"Use fast inlined locking code") \
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\
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experimental(intx, JVMCINMethodSizeLimit, (80*K)*wordSize, \
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"Maximum size of a compiled method.") \
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\
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experimental(intx, MethodProfileWidth, 0, \
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"Number of methods to record in call profile") \
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\
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develop(bool, TraceUncollectedSpeculations, false, \
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"Print message when a failed speculation was not collected")
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// Read default values for JVMCI globals
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JVMCI_FLAGS(DECLARE_DEVELOPER_FLAG, \
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DECLARE_PD_DEVELOPER_FLAG, \
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DECLARE_PRODUCT_FLAG, \
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DECLARE_PD_PRODUCT_FLAG, \
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DECLARE_DIAGNOSTIC_FLAG, \
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DECLARE_PD_DIAGNOSTIC_FLAG, \
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DECLARE_EXPERIMENTAL_FLAG, \
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DECLARE_NOTPRODUCT_FLAG, \
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IGNORE_RANGE, \
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IGNORE_CONSTRAINT, \
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IGNORE_WRITEABLE)
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class JVMCIGlobals {
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public:
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// Return true if jvmci flags are consistent. If not consistent,
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// an error message describing the inconsistency is printed before
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// returning false.
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static bool check_jvmci_flags_are_consistent();
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// Check and exit VM with error if selected GC is not supported by JVMCI.
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static void check_jvmci_supported_gc();
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};
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#endif // SHARE_VM_JVMCI_JVMCIGLOBALS_HPP
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