| /* |
| * Copyright (c) 2000, 2018, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #include "precompiled.hpp" |
| #include "jvm.h" |
| #include "jvmci/jvmci_globals.hpp" |
| #include "gc/shared/gcConfig.hpp" |
| #include "utilities/defaultStream.hpp" |
| #include "runtime/globals_extension.hpp" |
| |
| JVMCI_FLAGS(MATERIALIZE_DEVELOPER_FLAG, \ |
| MATERIALIZE_PD_DEVELOPER_FLAG, \ |
| MATERIALIZE_PRODUCT_FLAG, \ |
| MATERIALIZE_PD_PRODUCT_FLAG, \ |
| MATERIALIZE_DIAGNOSTIC_FLAG, \ |
| MATERIALIZE_PD_DIAGNOSTIC_FLAG, \ |
| MATERIALIZE_EXPERIMENTAL_FLAG, \ |
| MATERIALIZE_NOTPRODUCT_FLAG, |
| IGNORE_RANGE, \ |
| IGNORE_CONSTRAINT, \ |
| IGNORE_WRITEABLE) |
| |
| // Return true if jvmci flags are consistent. |
| bool JVMCIGlobals::check_jvmci_flags_are_consistent() { |
| |
| #ifndef PRODUCT |
| #define APPLY_JVMCI_FLAGS(params3, params4) \ |
| JVMCI_FLAGS(params4, params3, params4, params3, params4, params3, params4, params4, IGNORE_RANGE, IGNORE_CONSTRAINT, IGNORE_WRITEABLE) |
| #define JVMCI_DECLARE_CHECK4(type, name, value, doc) bool name##checked = false; |
| #define JVMCI_DECLARE_CHECK3(type, name, doc) bool name##checked = false; |
| #define JVMCI_FLAG_CHECKED(name) name##checked = true; |
| APPLY_JVMCI_FLAGS(JVMCI_DECLARE_CHECK3, JVMCI_DECLARE_CHECK4) |
| #else |
| #define JVMCI_FLAG_CHECKED(name) |
| #endif |
| |
| // Checks that a given flag is not set if a given guard flag is false. |
| #define CHECK_NOT_SET(FLAG, GUARD) \ |
| JVMCI_FLAG_CHECKED(FLAG) \ |
| if (!GUARD && !FLAG_IS_DEFAULT(FLAG)) { \ |
| jio_fprintf(defaultStream::error_stream(), \ |
| "Improperly specified VM option '%s': '%s' must be enabled\n", #FLAG, #GUARD); \ |
| return false; \ |
| } |
| |
| JVMCI_FLAG_CHECKED(UseJVMCICompiler) |
| JVMCI_FLAG_CHECKED(EnableJVMCI) |
| |
| CHECK_NOT_SET(BootstrapJVMCI, UseJVMCICompiler) |
| CHECK_NOT_SET(PrintBootstrap, UseJVMCICompiler) |
| CHECK_NOT_SET(JVMCIThreads, UseJVMCICompiler) |
| CHECK_NOT_SET(JVMCIHostThreads, UseJVMCICompiler) |
| |
| if (UseJVMCICompiler) { |
| if (!FLAG_IS_DEFAULT(EnableJVMCI) && !EnableJVMCI) { |
| jio_fprintf(defaultStream::error_stream(), |
| "Improperly specified VM option UseJVMCICompiler: EnableJVMCI cannot be disabled\n"); |
| return false; |
| } |
| FLAG_SET_DEFAULT(EnableJVMCI, true); |
| } |
| |
| if (!EnableJVMCI) { |
| // Switch off eager JVMCI initialization if JVMCI is disabled. |
| // Don't throw error if EagerJVMCI is set to allow testing. |
| if (EagerJVMCI) { |
| FLAG_SET_DEFAULT(EagerJVMCI, false); |
| } |
| } |
| JVMCI_FLAG_CHECKED(EagerJVMCI) |
| |
| CHECK_NOT_SET(JVMCITraceLevel, EnableJVMCI) |
| CHECK_NOT_SET(JVMCICounterSize, EnableJVMCI) |
| CHECK_NOT_SET(JVMCICountersExcludeCompiler, EnableJVMCI) |
| CHECK_NOT_SET(JVMCIUseFastLocking, EnableJVMCI) |
| CHECK_NOT_SET(JVMCINMethodSizeLimit, EnableJVMCI) |
| CHECK_NOT_SET(MethodProfileWidth, EnableJVMCI) |
| CHECK_NOT_SET(JVMCIPrintProperties, EnableJVMCI) |
| CHECK_NOT_SET(TraceUncollectedSpeculations, EnableJVMCI) |
| |
| #ifndef PRODUCT |
| #define JVMCI_CHECK4(type, name, value, doc) assert(name##checked, #name " flag not checked"); |
| #define JVMCI_CHECK3(type, name, doc) assert(name##checked, #name " flag not checked"); |
| // Ensures that all JVMCI flags are checked by this method. |
| APPLY_JVMCI_FLAGS(JVMCI_CHECK3, JVMCI_CHECK4) |
| #undef APPLY_JVMCI_FLAGS |
| #undef JVMCI_DECLARE_CHECK3 |
| #undef JVMCI_DECLARE_CHECK4 |
| #undef JVMCI_CHECK3 |
| #undef JVMCI_CHECK4 |
| #undef JVMCI_FLAG_CHECKED |
| #endif |
| #undef CHECK_NOT_SET |
| return true; |
| } |
| void JVMCIGlobals::check_jvmci_supported_gc() { |
| if (EnableJVMCI) { |
| // Check if selected GC is supported by JVMCI and Java compiler |
| if (!(UseSerialGC || UseParallelGC || UseParallelOldGC || UseG1GC)) { |
| vm_exit_during_initialization("JVMCI Compiler does not support selected GC", GCConfig::hs_err_name()); |
| FLAG_SET_DEFAULT(EnableJVMCI, false); |
| FLAG_SET_DEFAULT(UseJVMCICompiler, false); |
| } |
| } |
| } |