jvmci_globals.cpp revision 11219:137319683e94
1/* 2 * Copyright (c) 2000, 2016, 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 "jvmci/jvmci_globals.hpp" 27#include "utilities/defaultStream.hpp" 28#include "runtime/globals_extension.hpp" 29 30JVMCI_FLAGS(MATERIALIZE_DEVELOPER_FLAG, \ 31 MATERIALIZE_PD_DEVELOPER_FLAG, \ 32 MATERIALIZE_PRODUCT_FLAG, \ 33 MATERIALIZE_PD_PRODUCT_FLAG, \ 34 MATERIALIZE_DIAGNOSTIC_FLAG, \ 35 MATERIALIZE_EXPERIMENTAL_FLAG, \ 36 MATERIALIZE_NOTPRODUCT_FLAG, 37 IGNORE_RANGE, \ 38 IGNORE_CONSTRAINT, \ 39 IGNORE_WRITEABLE) 40 41#define JVMCI_IGNORE_FLAG_FOUR_PARAM(type, name, value, doc) 42#define JVMCI_IGNORE_FLAG_THREE_PARAM(type, name, doc) 43 44// Return true if jvmci flags are consistent. 45bool JVMCIGlobals::check_jvmci_flags_are_consistent() { 46 if (EnableJVMCI) { 47 return true; 48 } 49 50 // "FLAG_IS_DEFAULT" fail count. 51 int fail_count = 0; 52 // Number of "FLAG_IS_DEFAULT" fails that should be skipped before code 53 // detect real consistency failure. 54 int skip_fail_count; 55 56 // EnableJVMCI flag is false here. 57 // If any other flag is changed, consistency check should fail. 58 // JVMCI_FLAGS macros added below can handle all JVMCI flags automatically. 59 // But it contains check for EnableJVMCI flag too, which is required to be 60 // skipped. This can't be handled easily! 61 // So the code looks for at-least two flag changes to detect consistency 62 // failure when EnableJVMCI flag is changed. 63 // Otherwise one flag change is sufficient to detect consistency failure. 64 // Set skip_fail_count to 0 if EnableJVMCI flag is default. 65 // Set skip_fail_count to 1 if EnableJVMCI flag is changed. 66 // This value will be used to skip fails in macro expanded code later. 67 if (!FLAG_IS_DEFAULT(EnableJVMCI)) { 68 skip_fail_count = 1; 69 } else { 70 skip_fail_count = 0; 71 } 72 73#define EMIT_FLAG_VALUE_CHANGED_CHECK_CODE(FLAG) \ 74 if (!FLAG_IS_DEFAULT(FLAG)) { \ 75 fail_count++; \ 76 if (fail_count > skip_fail_count) { \ 77 return false; \ 78 } \ 79 } 80 81#define JVMCI_DIAGNOSTIC_FLAG_VALUE_CHANGED_CHECK_CODE(type, name, value, doc) EMIT_FLAG_VALUE_CHANGED_CHECK_CODE(name) 82#define JVMCI_EXPERIMENTAL_FLAG_VALUE_CHANGED_CHECK_CODE(type, name, value, doc) EMIT_FLAG_VALUE_CHANGED_CHECK_CODE(name) 83 84 // Check consistency of diagnostic flags if UnlockDiagnosticVMOptions is true 85 // or not default. UnlockDiagnosticVMOptions is default true in debug builds. 86 if (UnlockDiagnosticVMOptions || !FLAG_IS_DEFAULT(UnlockDiagnosticVMOptions)) { 87 JVMCI_FLAGS(JVMCI_IGNORE_FLAG_FOUR_PARAM, \ 88 JVMCI_IGNORE_FLAG_THREE_PARAM, \ 89 JVMCI_IGNORE_FLAG_FOUR_PARAM, \ 90 JVMCI_IGNORE_FLAG_THREE_PARAM, \ 91 JVMCI_DIAGNOSTIC_FLAG_VALUE_CHANGED_CHECK_CODE, \ 92 JVMCI_IGNORE_FLAG_FOUR_PARAM, \ 93 JVMCI_IGNORE_FLAG_FOUR_PARAM, \ 94 IGNORE_RANGE, \ 95 IGNORE_CONSTRAINT, \ 96 IGNORE_WRITEABLE) 97 } 98 99 // Check consistency of experimental flags if UnlockExperimentalVMOptions is 100 // true or not default. 101 if (UnlockExperimentalVMOptions || !FLAG_IS_DEFAULT(UnlockExperimentalVMOptions)) { 102 JVMCI_FLAGS(JVMCI_IGNORE_FLAG_FOUR_PARAM, \ 103 JVMCI_IGNORE_FLAG_THREE_PARAM, \ 104 JVMCI_IGNORE_FLAG_FOUR_PARAM, \ 105 JVMCI_IGNORE_FLAG_THREE_PARAM, \ 106 JVMCI_IGNORE_FLAG_FOUR_PARAM, \ 107 JVMCI_EXPERIMENTAL_FLAG_VALUE_CHANGED_CHECK_CODE, \ 108 JVMCI_IGNORE_FLAG_FOUR_PARAM, \ 109 IGNORE_RANGE, \ 110 IGNORE_CONSTRAINT, \ 111 IGNORE_WRITEABLE) 112 } 113 114#ifndef PRODUCT 115#define JVMCI_DEVELOP_FLAG_VALUE_CHANGED_CHECK_CODE(type, name, value, doc) EMIT_FLAG_VALUE_CHANGED_CHECK_CODE(name) 116#define JVMCI_PD_DEVELOP_FLAG_VALUE_CHANGED_CHECK_CODE(type, name, doc) EMIT_FLAG_VALUE_CHANGED_CHECK_CODE(name) 117#define JVMCI_NOTPRODUCT_FLAG_VALUE_CHANGED_CHECK_CODE(type, name, value, doc) EMIT_FLAG_VALUE_CHANGED_CHECK_CODE(name) 118#else 119#define JVMCI_DEVELOP_FLAG_VALUE_CHANGED_CHECK_CODE(type, name, value, doc) 120#define JVMCI_PD_DEVELOP_FLAG_VALUE_CHANGED_CHECK_CODE(type, name, doc) 121#define JVMCI_NOTPRODUCT_FLAG_VALUE_CHANGED_CHECK_CODE(type, name, value, doc) 122#endif 123 124#define JVMCI_PD_PRODUCT_FLAG_VALUE_CHANGED_CHECK_CODE(type, name, doc) EMIT_FLAG_VALUE_CHANGED_CHECK_CODE(name) 125#define JVMCI_PRODUCT_FLAG_VALUE_CHANGED_CHECK_CODE(type, name, value, doc) EMIT_FLAG_VALUE_CHANGED_CHECK_CODE(name) 126 127 JVMCI_FLAGS(JVMCI_DEVELOP_FLAG_VALUE_CHANGED_CHECK_CODE, \ 128 JVMCI_PD_DEVELOP_FLAG_VALUE_CHANGED_CHECK_CODE, \ 129 JVMCI_PRODUCT_FLAG_VALUE_CHANGED_CHECK_CODE, \ 130 JVMCI_PD_PRODUCT_FLAG_VALUE_CHANGED_CHECK_CODE, \ 131 JVMCI_IGNORE_FLAG_FOUR_PARAM, \ 132 JVMCI_IGNORE_FLAG_FOUR_PARAM, \ 133 JVMCI_NOTPRODUCT_FLAG_VALUE_CHANGED_CHECK_CODE, \ 134 IGNORE_RANGE, \ 135 IGNORE_CONSTRAINT, \ 136 IGNORE_WRITEABLE) 137 138#undef EMIT_FLAG_VALUE_CHANGED_CHECK_CODE 139#undef JVMCI_DEVELOP_FLAG_VALUE_CHANGED_CHECK_CODE 140#undef JVMCI_PD_DEVELOP_FLAG_VALUE_CHANGED_CHECK_CODE 141#undef JVMCI_NOTPRODUCT_FLAG_VALUE_CHANGED_CHECK_CODE 142#undef JVMCI_DIAGNOSTIC_FLAG_VALUE_CHANGED_CHECK_CODE 143#undef JVMCI_PD_PRODUCT_FLAG_VALUE_CHANGED_CHECK_CODE 144#undef JVMCI_PRODUCT_FLAG_VALUE_CHANGED_CHECK_CODE 145#undef JVMCI_EXPERIMENTAL_FLAG_VALUE_CHANGED_CHECK_CODE 146 147 return true; 148} 149 150// Print jvmci arguments inconsistency error message. 151void JVMCIGlobals::print_jvmci_args_inconsistency_error_message() { 152 const char* error_msg = "Improperly specified VM option '%s'\n"; 153 jio_fprintf(defaultStream::error_stream(), "EnableJVMCI must be enabled\n"); 154 155#define EMIT_CHECK_PRINT_ERR_MSG_CODE(FLAG) \ 156 if (!FLAG_IS_DEFAULT(FLAG)) { \ 157 if (strcmp(#FLAG, "EnableJVMCI")) { \ 158 jio_fprintf(defaultStream::error_stream(), error_msg, #FLAG); \ 159 } \ 160 } 161 162#define JVMCI_DIAGNOSTIC_FLAG_CHECK_PRINT_ERR_MSG_CODE(type, name, value, doc) EMIT_CHECK_PRINT_ERR_MSG_CODE(name) 163#define JVMCI_EXPERIMENTAL_FLAG_CHECK_PRINT_ERR_MSG_CODE(type, name, value, doc) EMIT_CHECK_PRINT_ERR_MSG_CODE(name) 164 165 if (UnlockDiagnosticVMOptions || !FLAG_IS_DEFAULT(UnlockDiagnosticVMOptions)) { 166 JVMCI_FLAGS(JVMCI_IGNORE_FLAG_FOUR_PARAM, \ 167 JVMCI_IGNORE_FLAG_THREE_PARAM, \ 168 JVMCI_IGNORE_FLAG_FOUR_PARAM, \ 169 JVMCI_IGNORE_FLAG_THREE_PARAM, \ 170 JVMCI_DIAGNOSTIC_FLAG_CHECK_PRINT_ERR_MSG_CODE, \ 171 JVMCI_IGNORE_FLAG_FOUR_PARAM, \ 172 JVMCI_IGNORE_FLAG_FOUR_PARAM, \ 173 IGNORE_RANGE, \ 174 IGNORE_CONSTRAINT, \ 175 IGNORE_WRITEABLE) 176 } 177 178 if (UnlockExperimentalVMOptions || !FLAG_IS_DEFAULT(UnlockExperimentalVMOptions)) { 179 JVMCI_FLAGS(JVMCI_IGNORE_FLAG_FOUR_PARAM, \ 180 JVMCI_IGNORE_FLAG_THREE_PARAM, \ 181 JVMCI_IGNORE_FLAG_FOUR_PARAM, \ 182 JVMCI_IGNORE_FLAG_THREE_PARAM, \ 183 JVMCI_IGNORE_FLAG_FOUR_PARAM, \ 184 JVMCI_EXPERIMENTAL_FLAG_CHECK_PRINT_ERR_MSG_CODE, \ 185 JVMCI_IGNORE_FLAG_FOUR_PARAM, \ 186 IGNORE_RANGE, \ 187 IGNORE_CONSTRAINT, \ 188 IGNORE_WRITEABLE) 189 } 190 191#ifndef PRODUCT 192#define JVMCI_DEVELOP_FLAG_CHECK_PRINT_ERR_MSG_CODE(type, name, value, doc) EMIT_CHECK_PRINT_ERR_MSG_CODE(name) 193#define JVMCI_PD_DEVELOP_FLAG_CHECK_PRINT_ERR_MSG_CODE(type, name, doc) EMIT_CHECK_PRINT_ERR_MSG_CODE(name) 194#define JVMCI_NOTPRODUCT_FLAG_CHECK_PRINT_ERR_MSG_CODE(type, name, value, doc) EMIT_CHECK_PRINT_ERR_MSG_CODE(name) 195#else 196#define JVMCI_DEVELOP_FLAG_CHECK_PRINT_ERR_MSG_CODE(type, name, value, doc) 197#define JVMCI_PD_DEVELOP_FLAG_CHECK_PRINT_ERR_MSG_CODE(type, name, doc) 198#define JVMCI_NOTPRODUCT_FLAG_CHECK_PRINT_ERR_MSG_CODE(type, name, value, doc) 199#endif 200 201#define JVMCI_PD_PRODUCT_FLAG_CHECK_PRINT_ERR_MSG_CODE(type, name, doc) EMIT_CHECK_PRINT_ERR_MSG_CODE(name) 202#define JVMCI_PRODUCT_FLAG_CHECK_PRINT_ERR_MSG_CODE(type, name, value, doc) EMIT_CHECK_PRINT_ERR_MSG_CODE(name) 203 204 JVMCI_FLAGS(JVMCI_DEVELOP_FLAG_CHECK_PRINT_ERR_MSG_CODE, \ 205 JVMCI_PD_DEVELOP_FLAG_CHECK_PRINT_ERR_MSG_CODE, \ 206 JVMCI_PRODUCT_FLAG_CHECK_PRINT_ERR_MSG_CODE, \ 207 JVMCI_PD_PRODUCT_FLAG_CHECK_PRINT_ERR_MSG_CODE, \ 208 JVMCI_IGNORE_FLAG_FOUR_PARAM, \ 209 JVMCI_IGNORE_FLAG_FOUR_PARAM, \ 210 JVMCI_NOTPRODUCT_FLAG_CHECK_PRINT_ERR_MSG_CODE, \ 211 IGNORE_RANGE, \ 212 IGNORE_CONSTRAINT, \ 213 IGNORE_WRITEABLE) 214 215#undef EMIT_CHECK_PRINT_ERR_MSG_CODE 216#undef JVMCI_DEVELOP_FLAG_CHECK_PRINT_ERR_MSG_CODE 217#undef JVMCI_PD_DEVELOP_FLAG_CHECK_PRINT_ERR_MSG_CODE 218#undef JVMCI_NOTPRODUCT_FLAG_CHECK_PRINT_ERR_MSG_CODE 219#undef JVMCI_PD_PRODUCT_FLAG_CHECK_PRINT_ERR_MSG_CODE 220#undef JVMCI_PRODUCT_FLAG_CHECK_PRINT_ERR_MSG_CODE 221#undef JVMCI_DIAGNOSTIC_FLAG_CHECK_PRINT_ERR_MSG_CODE 222#undef JVMCI_EXPERIMENTAL_FLAG_CHECK_PRINT_ERR_MSG_CODE 223 224} 225 226#undef JVMCI_IGNORE_FLAG_FOUR_PARAM 227#undef JVMCI_IGNORE_FLAG_THREE_PARAM 228