src/hotspot/share/gc/shenandoah/mode/shenandoahMode.cpp

/*
 * Copyright (c) 2020, Red Hat, Inc. All rights reserved.
 * Copyright Amazon.com Inc. 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
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#include "gc/shenandoah/heuristics/shenandoahAdaptiveHeuristics.hpp"
#include "gc/shenandoah/heuristics/shenandoahAggressiveHeuristics.hpp"
#include "gc/shenandoah/heuristics/shenandoahCompactHeuristics.hpp"
#include "gc/shenandoah/heuristics/shenandoahSpaceInfo.hpp"
#include "gc/shenandoah/heuristics/shenandoahStaticHeuristics.hpp"
#include "gc/shenandoah/mode/shenandoahMode.hpp"

ShenandoahHeuristics* ShenandoahMode::initialize_heuristics(ShenandoahSpaceInfo* space_info) const {
  if (ShenandoahGCHeuristics == nullptr) {
    vm_exit_during_initialization("Unknown -XX:ShenandoahGCHeuristics option (null)");
  }

  if (strcmp(ShenandoahGCHeuristics, "aggressive") == 0) {
    return new ShenandoahAggressiveHeuristics(space_info);
  } else if (strcmp(ShenandoahGCHeuristics, "static") == 0) {
    return new ShenandoahStaticHeuristics(space_info);
  } else if (strcmp(ShenandoahGCHeuristics, "adaptive") == 0) {
    return new ShenandoahAdaptiveHeuristics(space_info);
  } else if (strcmp(ShenandoahGCHeuristics, "compact") == 0) {
    return new ShenandoahCompactHeuristics(space_info);
  } else {
    vm_exit_during_initialization("Unknown -XX:ShenandoahGCHeuristics option");
  }

  ShouldNotReachHere();
  return nullptr;
}