/*

 * Copyright (c) 2000, 2015, 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_EXPERIMENTAL_FLAG, \

            MATERIALIZE_NOTPRODUCT_FLAG,

            IGNORE_RANGE, \

            IGNORE_CONSTRAINT)

#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_FOUR_PARAM, \

                JVMCI_IGNORE_FLAG_FOUR_PARAM, \

                IGNORE_RANGE, \

                IGNORE_CONSTRAINT)

  }

  // 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_EXPERIMENTAL_FLAG_VALUE_CHANGED_CHECK_CODE, \

                JVMCI_IGNORE_FLAG_FOUR_PARAM, \

                IGNORE_RANGE, \

                IGNORE_CONSTRAINT)

  }

#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_FOUR_PARAM, \

              JVMCI_NOTPRODUCT_FLAG_VALUE_CHANGED_CHECK_CODE, \

              IGNORE_RANGE, \

              IGNORE_CONSTRAINT)

#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

  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_FOUR_PARAM, \

                JVMCI_IGNORE_FLAG_FOUR_PARAM, \

                IGNORE_RANGE, \

                IGNORE_CONSTRAINT)

  }

  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_EXPERIMENTAL_FLAG_CHECK_PRINT_ERR_MSG_CODE, \

                JVMCI_IGNORE_FLAG_FOUR_PARAM, \

                IGNORE_RANGE, \

                IGNORE_CONSTRAINT)

  }

#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_FOUR_PARAM, \

              JVMCI_NOTPRODUCT_FLAG_CHECK_PRINT_ERR_MSG_CODE, \

              IGNORE_RANGE, \

              IGNORE_CONSTRAINT)

#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