1 /* 2 * Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #include "precompiled.hpp" 26 #include "jvm.h" 27 #include "jvmci/jvmci_globals.hpp" 28 #include "gc/shared/gcConfig.hpp" 29 #include "utilities/defaultStream.hpp" 30 #include "runtime/globals_extension.hpp" 31 32 JVMCI_FLAGS(MATERIALIZE_DEVELOPER_FLAG, \ 33 MATERIALIZE_PD_DEVELOPER_FLAG, \ 34 MATERIALIZE_PRODUCT_FLAG, \ 35 MATERIALIZE_PD_PRODUCT_FLAG, \ 36 MATERIALIZE_DIAGNOSTIC_FLAG, \ 37 MATERIALIZE_PD_DIAGNOSTIC_FLAG, \ 38 MATERIALIZE_EXPERIMENTAL_FLAG, \ 39 MATERIALIZE_NOTPRODUCT_FLAG, 40 IGNORE_RANGE, \ 41 IGNORE_CONSTRAINT, \ 42 IGNORE_WRITEABLE) 43 44 // Return true if jvmci flags are consistent. 45 bool JVMCIGlobals::check_jvmci_flags_are_consistent() { 46 47 #ifndef PRODUCT 48 #define APPLY_JVMCI_FLAGS(params3, params4) \ 49 JVMCI_FLAGS(params4, params3, params4, params3, params4, params3, params4, params4, IGNORE_RANGE, IGNORE_CONSTRAINT, IGNORE_WRITEABLE) 50 #define JVMCI_DECLARE_CHECK4(type, name, value, doc) bool name##checked = false; 51 #define JVMCI_DECLARE_CHECK3(type, name, doc) bool name##checked = false; 52 #define JVMCI_FLAG_CHECKED(name) name##checked = true; 53 APPLY_JVMCI_FLAGS(JVMCI_DECLARE_CHECK3, JVMCI_DECLARE_CHECK4) 54 #else 55 #define JVMCI_FLAG_CHECKED(name) 56 #endif 57 58 // Checks that a given flag is not set if a given guard flag is false. 59 #define CHECK_NOT_SET(FLAG, GUARD) \ 60 JVMCI_FLAG_CHECKED(FLAG) \ 61 if (!GUARD && !FLAG_IS_DEFAULT(FLAG)) { \ 62 jio_fprintf(defaultStream::error_stream(), \ 63 "Improperly specified VM option '%s': '%s' must be enabled\n", #FLAG, #GUARD); \ 64 return false; \ 65 } 66 67 JVMCI_FLAG_CHECKED(UseJVMCICompiler) 68 JVMCI_FLAG_CHECKED(EnableJVMCI) 69 70 CHECK_NOT_SET(BootstrapJVMCI, UseJVMCICompiler) 71 CHECK_NOT_SET(PrintBootstrap, UseJVMCICompiler) 72 CHECK_NOT_SET(JVMCIThreads, UseJVMCICompiler) 73 CHECK_NOT_SET(JVMCIHostThreads, UseJVMCICompiler) 74 75 if (UseJVMCICompiler) { 76 if (!FLAG_IS_DEFAULT(EnableJVMCI) && !EnableJVMCI) { 77 jio_fprintf(defaultStream::error_stream(), 78 "Improperly specified VM option UseJVMCICompiler: EnableJVMCI cannot be disabled\n"); 79 return false; 80 } 81 FLAG_SET_DEFAULT(EnableJVMCI, true); 82 } 83 84 if (!EnableJVMCI) { 85 // Switch off eager JVMCI initialization if JVMCI is disabled. 86 // Don't throw error if EagerJVMCI is set to allow testing. 87 if (EagerJVMCI) { 88 FLAG_SET_DEFAULT(EagerJVMCI, false); 89 } 90 } 91 JVMCI_FLAG_CHECKED(EagerJVMCI) 92 93 CHECK_NOT_SET(JVMCITraceLevel, EnableJVMCI) 94 CHECK_NOT_SET(JVMCICounterSize, EnableJVMCI) 95 CHECK_NOT_SET(JVMCICountersExcludeCompiler, EnableJVMCI) 96 CHECK_NOT_SET(JVMCIUseFastLocking, EnableJVMCI) 97 CHECK_NOT_SET(JVMCINMethodSizeLimit, EnableJVMCI) 98 CHECK_NOT_SET(MethodProfileWidth, EnableJVMCI) 99 CHECK_NOT_SET(JVMCIPrintProperties, EnableJVMCI) 100 CHECK_NOT_SET(TraceUncollectedSpeculations, EnableJVMCI) 101 102 #ifndef PRODUCT 103 #define JVMCI_CHECK4(type, name, value, doc) assert(name##checked, #name " flag not checked"); 104 #define JVMCI_CHECK3(type, name, doc) assert(name##checked, #name " flag not checked"); 105 // Ensures that all JVMCI flags are checked by this method. 106 APPLY_JVMCI_FLAGS(JVMCI_CHECK3, JVMCI_CHECK4) 107 #undef APPLY_JVMCI_FLAGS 108 #undef JVMCI_DECLARE_CHECK3 109 #undef JVMCI_DECLARE_CHECK4 110 #undef JVMCI_CHECK3 111 #undef JVMCI_CHECK4 112 #undef JVMCI_FLAG_CHECKED 113 #endif 114 #undef CHECK_NOT_SET 115 return true; 116 } 117 void JVMCIGlobals::check_jvmci_supported_gc() { 118 if (EnableJVMCI) { 119 // Check if selected GC is supported by JVMCI and Java compiler 120 if (!(UseSerialGC || UseParallelGC || UseParallelOldGC || UseG1GC || UseEpsilonGC)) { 121 vm_exit_during_initialization("JVMCI Compiler does not support selected GC", GCConfig::hs_err_name()); 122 FLAG_SET_DEFAULT(EnableJVMCI, false); 123 FLAG_SET_DEFAULT(UseJVMCICompiler, false); 124 } 125 } 126 }