/*

 * Copyright (c) 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 "runtime/arguments.hpp"

#include "runtime/commandLineFlagConstraintsGC.hpp"

#include "runtime/commandLineFlagRangeList.hpp"

#include "runtime/globals.hpp"

#include "utilities/defaultStream.hpp"

#if INCLUDE_ALL_GCS

#include "gc/g1/g1_globals.hpp"

#include "gc/g1/heapRegionBounds.inline.hpp"

#include "gc/shared/plab.hpp"

#endif // INCLUDE_ALL_GCS

#ifdef COMPILER1

#include "c1/c1_globals.hpp"

#endif // COMPILER1

#ifdef COMPILER2

#include "opto/c2_globals.hpp"

#endif // COMPILER2

static Flag::Error MinPLABSizeBounds(const char* name, size_t value, bool verbose) {

#if INCLUDE_ALL_GCS

  if ((UseConcMarkSweepGC || UseG1GC) && (value < PLAB::min_size())) {

    CommandLineError::print(verbose,

                            "%s (" SIZE_FORMAT ") must be "

                            "greater than or equal to ergonomic PLAB minimum size (" SIZE_FORMAT ")\n",

                            name, value, PLAB::min_size());

    return Flag::VIOLATES_CONSTRAINT;

  }

#endif // INCLUDE_ALL_GCS

  return Flag::SUCCESS;

}

static Flag::Error MaxPLABSizeBounds(const char* name, size_t value, bool verbose) {

#if INCLUDE_ALL_GCS

  if ((UseConcMarkSweepGC || UseG1GC) && (value > PLAB::max_size())) {

    CommandLineError::print(verbose,

                            "%s (" SIZE_FORMAT ") must be "

                            "less than or equal to ergonomic PLAB maximum size (" SIZE_FORMAT ")\n",

                            name, value, PLAB::max_size());

    return Flag::VIOLATES_CONSTRAINT;

  }

#endif // INCLUDE_ALL_GCS

  return Flag::SUCCESS;

}

static Flag::Error MinMaxPLABSizeBounds(const char* name, size_t value, bool verbose) {

    return MaxPLABSizeBounds(name, value, verbose);

  }

}

Flag::Error YoungPLABSizeConstraintFunc(size_t value, bool verbose) {

  return MinMaxPLABSizeBounds("YoungPLABSize", value, verbose);

}

Flag::Error MinHeapFreeRatioConstraintFunc(uintx value, bool verbose) {

  if (value > MaxHeapFreeRatio) {

    CommandLineError::print(verbose,

                            "MinHeapFreeRatio (" UINTX_FORMAT ") must be "

                            "less than or equal to MaxHeapFreeRatio (" UINTX_FORMAT ")\n",

                            value, MaxHeapFreeRatio);

    return Flag::VIOLATES_CONSTRAINT;

  } else {

    return Flag::SUCCESS;

  }

}

Flag::Error MaxHeapFreeRatioConstraintFunc(uintx value, bool verbose) {

  if (value < MinHeapFreeRatio) {

    CommandLineError::print(verbose,

                            "MaxHeapFreeRatio (" UINTX_FORMAT ") must be "

                            "greater than or equal to MinHeapFreeRatio (" UINTX_FORMAT ")\n",

                            value, MinHeapFreeRatio);

    return Flag::VIOLATES_CONSTRAINT;

  } else {

    return Flag::SUCCESS;

  }

}

Flag::Error MinMetaspaceFreeRatioConstraintFunc(uintx value, bool verbose) {

  if (value > MaxMetaspaceFreeRatio) {

    CommandLineError::print(verbose,

                            "MinMetaspaceFreeRatio (" UINTX_FORMAT ") must be "

                            "less than or equal to MaxMetaspaceFreeRatio (" UINTX_FORMAT ")\n",

                            value, MaxMetaspaceFreeRatio);

    return Flag::VIOLATES_CONSTRAINT;

  } else {

    return Flag::SUCCESS;

  }

}

Flag::Error MaxMetaspaceFreeRatioConstraintFunc(uintx value, bool verbose) {

  if (value < MinMetaspaceFreeRatio) {

    CommandLineError::print(verbose,

                            "MaxMetaspaceFreeRatio (" UINTX_FORMAT ") must be "

                            "greater than or equal to MinMetaspaceFreeRatio (" UINTX_FORMAT ")\n",

                            value, MinMetaspaceFreeRatio);

    return Flag::VIOLATES_CONSTRAINT;

  } else {

    return Flag::SUCCESS;

  }

}

}

    CommandLineError::print(verbose,

    return Flag::VIOLATES_CONSTRAINT;

  } else {

    return Flag::SUCCESS;

  }

}

    CommandLineError::print(verbose,

    return Flag::VIOLATES_CONSTRAINT;

  } else {

    return Flag::SUCCESS;

  }

}

Flag::Error G1NewSizePercentConstraintFunc(uintx value, bool verbose) {

  if (value > G1MaxNewSizePercent) {

    CommandLineError::print(verbose,

                            "G1NewSizePercent (" UINTX_FORMAT ") must be "

                            "less than or equal to G1MaxNewSizePercent (" UINTX_FORMAT ")\n",

                            value, G1MaxNewSizePercent);

    return Flag::VIOLATES_CONSTRAINT;

  } else {

    return Flag::SUCCESS;

  }

}

Flag::Error G1MaxNewSizePercentConstraintFunc(uintx value, bool verbose) {

  if (value < G1NewSizePercent) {

    CommandLineError::print(verbose,

                            "G1MaxNewSizePercent (" UINTX_FORMAT ") must be "

                            "greater than or equal to G1NewSizePercent (" UINTX_FORMAT ")\n",

                            value, G1NewSizePercent);

    return Flag::VIOLATES_CONSTRAINT;

  } else {

    return Flag::SUCCESS;

  }

}

#endif // INCLUDE_ALL_GCS

Flag::Error CMSOldPLABMinConstraintFunc(size_t value, bool verbose) {

    CommandLineError::print(verbose,

    return Flag::VIOLATES_CONSTRAINT;

  } else {

    return Flag::SUCCESS;

  }

}

Flag::Error CMSPrecleanDenominatorConstraintFunc(uintx value, bool verbose) {

    CommandLineError::print(verbose,

                            "CMSPrecleanDenominator (" UINTX_FORMAT ") must be "

                            "strickly greater than CMSPrecleanNumerator (" UINTX_FORMAT ")\n",

                            value, CMSPrecleanNumerator);

    return Flag::VIOLATES_CONSTRAINT;

  } else {

    return Flag::SUCCESS;

  }

}

    CommandLineError::print(verbose,

    return Flag::VIOLATES_CONSTRAINT;

  } else {

    return Flag::SUCCESS;

  }

}

Flag::Error SurvivorAlignmentInBytesConstraintFunc(intx value, bool verbose) {

  if (value != 0) {

    if (!is_power_of_2(value)) {

      CommandLineError::print(verbose,

                              "SurvivorAlignmentInBytes (" INTX_FORMAT ") must be "

                              "power of 2\n",

                              value);

      return Flag::VIOLATES_CONSTRAINT;

    }

    if (value < ObjectAlignmentInBytes) {

      CommandLineError::print(verbose,

                              "SurvivorAlignmentInBytes (" INTX_FORMAT ") must be "

                              "greater than or equal to ObjectAlignmentInBytes (" INTX_FORMAT ")\n",

                              value, ObjectAlignmentInBytes);

      return Flag::VIOLATES_CONSTRAINT;

    }

  }

  return Flag::SUCCESS;

}