/* * Copyright (c) 2000, 2016, 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 "jvmci/jvmci_globals.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) #define JVMCI_IGNORE_FLAG_FOUR_PARAM(type, name, value, doc) #define JVMCI_IGNORE_FLAG_THREE_PARAM(type, name, doc) // Return true if jvmci flags are consistent. bool JVMCIGlobals::check_jvmci_flags_are_consistent() { if (EnableJVMCI) { return true; } // "FLAG_IS_DEFAULT" fail count. int fail_count = 0; // Number of "FLAG_IS_DEFAULT" fails that should be skipped before code // detect real consistency failure. int skip_fail_count; // EnableJVMCI flag is false here. // If any other flag is changed, consistency check should fail. // JVMCI_FLAGS macros added below can handle all JVMCI flags automatically. // But it contains check for EnableJVMCI flag too, which is required to be // skipped. This can't be handled easily! // So the code looks for at-least two flag changes to detect consistency // failure when EnableJVMCI flag is changed. // Otherwise one flag change is sufficient to detect consistency failure. // Set skip_fail_count to 0 if EnableJVMCI flag is default. // Set skip_fail_count to 1 if EnableJVMCI flag is changed. // This value will be used to skip fails in macro expanded code later. if (!FLAG_IS_DEFAULT(EnableJVMCI)) { skip_fail_count = 1; } else { skip_fail_count = 0; } #define EMIT_FLAG_VALUE_CHANGED_CHECK_CODE(FLAG) \ if (!FLAG_IS_DEFAULT(FLAG)) { \ fail_count++; \ if (fail_count > skip_fail_count) { \ return false; \ } \ } #define JVMCI_DIAGNOSTIC_FLAG_VALUE_CHANGED_CHECK_CODE(type, name, value, doc) EMIT_FLAG_VALUE_CHANGED_CHECK_CODE(name) #define JVMCI_EXPERIMENTAL_FLAG_VALUE_CHANGED_CHECK_CODE(type, name, value, doc) EMIT_FLAG_VALUE_CHANGED_CHECK_CODE(name) // Check consistency of diagnostic flags if UnlockDiagnosticVMOptions is true // or not default. UnlockDiagnosticVMOptions is default true in debug builds. if (UnlockDiagnosticVMOptions || !FLAG_IS_DEFAULT(UnlockDiagnosticVMOptions)) { JVMCI_FLAGS(JVMCI_IGNORE_FLAG_FOUR_PARAM, \ JVMCI_IGNORE_FLAG_THREE_PARAM, \ JVMCI_IGNORE_FLAG_FOUR_PARAM, \ JVMCI_IGNORE_FLAG_THREE_PARAM, \ JVMCI_DIAGNOSTIC_FLAG_VALUE_CHANGED_CHECK_CODE, \ JVMCI_IGNORE_FLAG_THREE_PARAM, \ JVMCI_IGNORE_FLAG_FOUR_PARAM, \ JVMCI_IGNORE_FLAG_FOUR_PARAM, \ IGNORE_RANGE, \ IGNORE_CONSTRAINT, \ IGNORE_WRITEABLE) } // Check consistency of experimental flags if UnlockExperimentalVMOptions is // true or not default. if (UnlockExperimentalVMOptions || !FLAG_IS_DEFAULT(UnlockExperimentalVMOptions)) { JVMCI_FLAGS(JVMCI_IGNORE_FLAG_FOUR_PARAM, \ JVMCI_IGNORE_FLAG_THREE_PARAM, \ JVMCI_IGNORE_FLAG_FOUR_PARAM, \ JVMCI_IGNORE_FLAG_THREE_PARAM, \ JVMCI_IGNORE_FLAG_FOUR_PARAM, \ JVMCI_IGNORE_FLAG_THREE_PARAM, \ JVMCI_EXPERIMENTAL_FLAG_VALUE_CHANGED_CHECK_CODE, \ JVMCI_IGNORE_FLAG_FOUR_PARAM, \ IGNORE_RANGE, \ IGNORE_CONSTRAINT, \ IGNORE_WRITEABLE) } #ifndef PRODUCT #define JVMCI_DEVELOP_FLAG_VALUE_CHANGED_CHECK_CODE(type, name, value, doc) EMIT_FLAG_VALUE_CHANGED_CHECK_CODE(name) #define JVMCI_PD_DEVELOP_FLAG_VALUE_CHANGED_CHECK_CODE(type, name, doc) EMIT_FLAG_VALUE_CHANGED_CHECK_CODE(name) #define JVMCI_NOTPRODUCT_FLAG_VALUE_CHANGED_CHECK_CODE(type, name, value, doc) EMIT_FLAG_VALUE_CHANGED_CHECK_CODE(name) #else #define JVMCI_DEVELOP_FLAG_VALUE_CHANGED_CHECK_CODE(type, name, value, doc) #define JVMCI_PD_DEVELOP_FLAG_VALUE_CHANGED_CHECK_CODE(type, name, doc) #define JVMCI_NOTPRODUCT_FLAG_VALUE_CHANGED_CHECK_CODE(type, name, value, doc) #endif #define JVMCI_PD_PRODUCT_FLAG_VALUE_CHANGED_CHECK_CODE(type, name, doc) EMIT_FLAG_VALUE_CHANGED_CHECK_CODE(name) #define JVMCI_PRODUCT_FLAG_VALUE_CHANGED_CHECK_CODE(type, name, value, doc) EMIT_FLAG_VALUE_CHANGED_CHECK_CODE(name) JVMCI_FLAGS(JVMCI_DEVELOP_FLAG_VALUE_CHANGED_CHECK_CODE, \ JVMCI_PD_DEVELOP_FLAG_VALUE_CHANGED_CHECK_CODE, \ JVMCI_PRODUCT_FLAG_VALUE_CHANGED_CHECK_CODE, \ JVMCI_PD_PRODUCT_FLAG_VALUE_CHANGED_CHECK_CODE, \ JVMCI_IGNORE_FLAG_FOUR_PARAM, \ JVMCI_IGNORE_FLAG_THREE_PARAM, \ JVMCI_IGNORE_FLAG_FOUR_PARAM, \ JVMCI_NOTPRODUCT_FLAG_VALUE_CHANGED_CHECK_CODE, \ IGNORE_RANGE, \ IGNORE_CONSTRAINT, \ IGNORE_WRITEABLE) #undef EMIT_FLAG_VALUE_CHANGED_CHECK_CODE #undef JVMCI_DEVELOP_FLAG_VALUE_CHANGED_CHECK_CODE #undef JVMCI_PD_DEVELOP_FLAG_VALUE_CHANGED_CHECK_CODE #undef JVMCI_NOTPRODUCT_FLAG_VALUE_CHANGED_CHECK_CODE #undef JVMCI_DIAGNOSTIC_FLAG_VALUE_CHANGED_CHECK_CODE #undef JVMCI_PD_PRODUCT_FLAG_VALUE_CHANGED_CHECK_CODE #undef JVMCI_PRODUCT_FLAG_VALUE_CHANGED_CHECK_CODE #undef JVMCI_EXPERIMENTAL_FLAG_VALUE_CHANGED_CHECK_CODE #ifndef TIERED // JVMCI is only usable as a jit compiler if the VM supports tiered compilation. #define JVMCI_CHECK_TIERED_ONLY_FLAG(FLAG) \ if (!FLAG_IS_DEFAULT(FLAG)) { \ jio_fprintf(defaultStream::error_stream(), "VM option '%s' cannot be set in non-tiered VM\n", #FLAG); \ return false; \ } JVMCI_CHECK_TIERED_ONLY_FLAG(UseJVMCICompiler) JVMCI_CHECK_TIERED_ONLY_FLAG(BootstrapJVMCI) JVMCI_CHECK_TIERED_ONLY_FLAG(PrintBootstrap) JVMCI_CHECK_TIERED_ONLY_FLAG(JVMCIThreads) JVMCI_CHECK_TIERED_ONLY_FLAG(JVMCIHostThreads) JVMCI_CHECK_TIERED_ONLY_FLAG(JVMCICountersExcludeCompiler) #undef JVMCI_CHECK_TIERED_ONLY_FLAG #endif return true; } // Print jvmci arguments inconsistency error message. void JVMCIGlobals::print_jvmci_args_inconsistency_error_message() { const char* error_msg = "Improperly specified VM option '%s'\n"; jio_fprintf(defaultStream::error_stream(), "EnableJVMCI must be enabled\n"); #define EMIT_CHECK_PRINT_ERR_MSG_CODE(FLAG) \ if (!FLAG_IS_DEFAULT(FLAG)) { \ if (strcmp(#FLAG, "EnableJVMCI")) { \ jio_fprintf(defaultStream::error_stream(), error_msg, #FLAG); \ } \ } #define JVMCI_DIAGNOSTIC_FLAG_CHECK_PRINT_ERR_MSG_CODE(type, name, value, doc) EMIT_CHECK_PRINT_ERR_MSG_CODE(name) #define JVMCI_EXPERIMENTAL_FLAG_CHECK_PRINT_ERR_MSG_CODE(type, name, value, doc) EMIT_CHECK_PRINT_ERR_MSG_CODE(name) if (UnlockDiagnosticVMOptions || !FLAG_IS_DEFAULT(UnlockDiagnosticVMOptions)) { JVMCI_FLAGS(JVMCI_IGNORE_FLAG_FOUR_PARAM, \ JVMCI_IGNORE_FLAG_THREE_PARAM, \ JVMCI_IGNORE_FLAG_FOUR_PARAM, \ JVMCI_IGNORE_FLAG_THREE_PARAM, \ JVMCI_DIAGNOSTIC_FLAG_CHECK_PRINT_ERR_MSG_CODE, \ JVMCI_IGNORE_FLAG_THREE_PARAM, \ JVMCI_IGNORE_FLAG_FOUR_PARAM, \ JVMCI_IGNORE_FLAG_FOUR_PARAM, \ IGNORE_RANGE, \ IGNORE_CONSTRAINT, \ IGNORE_WRITEABLE) } if (UnlockExperimentalVMOptions || !FLAG_IS_DEFAULT(UnlockExperimentalVMOptions)) { JVMCI_FLAGS(JVMCI_IGNORE_FLAG_FOUR_PARAM, \ JVMCI_IGNORE_FLAG_THREE_PARAM, \ JVMCI_IGNORE_FLAG_FOUR_PARAM, \ JVMCI_IGNORE_FLAG_THREE_PARAM, \ JVMCI_IGNORE_FLAG_FOUR_PARAM, \ JVMCI_IGNORE_FLAG_THREE_PARAM, \ JVMCI_EXPERIMENTAL_FLAG_CHECK_PRINT_ERR_MSG_CODE, \ JVMCI_IGNORE_FLAG_FOUR_PARAM, \ IGNORE_RANGE, \ IGNORE_CONSTRAINT, \ IGNORE_WRITEABLE) } #ifndef PRODUCT #define JVMCI_DEVELOP_FLAG_CHECK_PRINT_ERR_MSG_CODE(type, name, value, doc) EMIT_CHECK_PRINT_ERR_MSG_CODE(name) #define JVMCI_PD_DEVELOP_FLAG_CHECK_PRINT_ERR_MSG_CODE(type, name, doc) EMIT_CHECK_PRINT_ERR_MSG_CODE(name) #define JVMCI_NOTPRODUCT_FLAG_CHECK_PRINT_ERR_MSG_CODE(type, name, value, doc) EMIT_CHECK_PRINT_ERR_MSG_CODE(name) #else #define JVMCI_DEVELOP_FLAG_CHECK_PRINT_ERR_MSG_CODE(type, name, value, doc) #define JVMCI_PD_DEVELOP_FLAG_CHECK_PRINT_ERR_MSG_CODE(type, name, doc) #define JVMCI_NOTPRODUCT_FLAG_CHECK_PRINT_ERR_MSG_CODE(type, name, value, doc) #endif #define JVMCI_PD_PRODUCT_FLAG_CHECK_PRINT_ERR_MSG_CODE(type, name, doc) EMIT_CHECK_PRINT_ERR_MSG_CODE(name) #define JVMCI_PRODUCT_FLAG_CHECK_PRINT_ERR_MSG_CODE(type, name, value, doc) EMIT_CHECK_PRINT_ERR_MSG_CODE(name) JVMCI_FLAGS(JVMCI_DEVELOP_FLAG_CHECK_PRINT_ERR_MSG_CODE, \ JVMCI_PD_DEVELOP_FLAG_CHECK_PRINT_ERR_MSG_CODE, \ JVMCI_PRODUCT_FLAG_CHECK_PRINT_ERR_MSG_CODE, \ JVMCI_PD_PRODUCT_FLAG_CHECK_PRINT_ERR_MSG_CODE, \ JVMCI_IGNORE_FLAG_FOUR_PARAM, \ JVMCI_IGNORE_FLAG_THREE_PARAM, \ JVMCI_IGNORE_FLAG_FOUR_PARAM, \ JVMCI_NOTPRODUCT_FLAG_CHECK_PRINT_ERR_MSG_CODE, \ IGNORE_RANGE, \ IGNORE_CONSTRAINT, \ IGNORE_WRITEABLE) #undef EMIT_CHECK_PRINT_ERR_MSG_CODE #undef JVMCI_DEVELOP_FLAG_CHECK_PRINT_ERR_MSG_CODE #undef JVMCI_PD_DEVELOP_FLAG_CHECK_PRINT_ERR_MSG_CODE #undef JVMCI_NOTPRODUCT_FLAG_CHECK_PRINT_ERR_MSG_CODE #undef JVMCI_PD_PRODUCT_FLAG_CHECK_PRINT_ERR_MSG_CODE #undef JVMCI_PRODUCT_FLAG_CHECK_PRINT_ERR_MSG_CODE #undef JVMCI_DIAGNOSTIC_FLAG_CHECK_PRINT_ERR_MSG_CODE #undef JVMCI_EXPERIMENTAL_FLAG_CHECK_PRINT_ERR_MSG_CODE } #undef JVMCI_IGNORE_FLAG_FOUR_PARAM #undef JVMCI_IGNORE_FLAG_THREE_PARAM