src/hotspot/share/runtime/commandLineFlagConstraintsRuntime.cpp
changeset 49857 31e07291ae29
parent 49856 5f63af8f9d7f
child 49858 56923ee4f07e
--- a/src/hotspot/share/runtime/commandLineFlagConstraintsRuntime.cpp	Mon Apr 23 09:01:03 2018 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,143 +0,0 @@
-/*
- * Copyright (c) 2015, 2017, 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/commandLineFlagConstraintsRuntime.hpp"
-#include "runtime/commandLineFlagRangeList.hpp"
-#include "runtime/globals.hpp"
-#include "runtime/safepointMechanism.hpp"
-#include "runtime/task.hpp"
-#include "utilities/defaultStream.hpp"
-
-Flag::Error ObjectAlignmentInBytesConstraintFunc(intx value, bool verbose) {
-  if (!is_power_of_2(value)) {
-    CommandLineError::print(verbose,
-                            "ObjectAlignmentInBytes (" INTX_FORMAT ") must be "
-                            "power of 2\n",
-                            value);
-    return Flag::VIOLATES_CONSTRAINT;
-  }
-  // In case page size is very small.
-  if (value >= (intx)os::vm_page_size()) {
-    CommandLineError::print(verbose,
-                            "ObjectAlignmentInBytes (" INTX_FORMAT ") must be "
-                            "less than page size (" INTX_FORMAT ")\n",
-                            value, (intx)os::vm_page_size());
-    return Flag::VIOLATES_CONSTRAINT;
-  }
-  return Flag::SUCCESS;
-}
-
-// Need to enforce the padding not to break the existing field alignments.
-// It is sufficient to check against the largest type size.
-Flag::Error ContendedPaddingWidthConstraintFunc(intx value, bool verbose) {
-  if ((value % BytesPerLong) != 0) {
-    CommandLineError::print(verbose,
-                            "ContendedPaddingWidth (" INTX_FORMAT ") must be "
-                            "a multiple of %d\n",
-                            value, BytesPerLong);
-    return Flag::VIOLATES_CONSTRAINT;
-  } else {
-    return Flag::SUCCESS;
-  }
-}
-
-Flag::Error BiasedLockingBulkRebiasThresholdFunc(intx value, bool verbose) {
-  if (value > BiasedLockingBulkRevokeThreshold) {
-    CommandLineError::print(verbose,
-                            "BiasedLockingBulkRebiasThreshold (" INTX_FORMAT ") must be "
-                            "less than or equal to BiasedLockingBulkRevokeThreshold (" INTX_FORMAT ")\n",
-                            value, BiasedLockingBulkRevokeThreshold);
-    return Flag::VIOLATES_CONSTRAINT;
-  } else {
-    return Flag::SUCCESS;
-  }
-}
-
-Flag::Error BiasedLockingStartupDelayFunc(intx value, bool verbose) {
-  if ((value % PeriodicTask::interval_gran) != 0) {
-    CommandLineError::print(verbose,
-                            "BiasedLockingStartupDelay (" INTX_FORMAT ") must be "
-                            "evenly divisible by PeriodicTask::interval_gran (" INTX_FORMAT ")\n",
-                            value, PeriodicTask::interval_gran);
-    return Flag::VIOLATES_CONSTRAINT;
-  } else {
-    return Flag::SUCCESS;
-  }
-}
-
-Flag::Error BiasedLockingBulkRevokeThresholdFunc(intx value, bool verbose) {
-  if (value < BiasedLockingBulkRebiasThreshold) {
-    CommandLineError::print(verbose,
-                            "BiasedLockingBulkRevokeThreshold (" INTX_FORMAT ") must be "
-                            "greater than or equal to BiasedLockingBulkRebiasThreshold (" INTX_FORMAT ")\n",
-                            value, BiasedLockingBulkRebiasThreshold);
-    return Flag::VIOLATES_CONSTRAINT;
-  } else if ((double)value/(double)BiasedLockingDecayTime > 0.1) {
-    CommandLineError::print(verbose,
-                            "The ratio of BiasedLockingBulkRevokeThreshold (" INTX_FORMAT ")"
-                            " to BiasedLockingDecayTime (" INTX_FORMAT ") must be "
-                            "less than or equal to 0.1\n",
-                            value, BiasedLockingBulkRebiasThreshold);
-    return Flag::VIOLATES_CONSTRAINT;
-  } else {
-    return Flag::SUCCESS;
-  }
-}
-
-Flag::Error BiasedLockingDecayTimeFunc(intx value, bool verbose) {
-  if (BiasedLockingBulkRebiasThreshold/(double)value > 0.1) {
-    CommandLineError::print(verbose,
-                            "The ratio of BiasedLockingBulkRebiasThreshold (" INTX_FORMAT ")"
-                            " to BiasedLockingDecayTime (" INTX_FORMAT ") must be "
-                            "less than or equal to 0.1\n",
-                            BiasedLockingBulkRebiasThreshold, value);
-    return Flag::VIOLATES_CONSTRAINT;
-  } else {
-    return Flag::SUCCESS;
-  }
-}
-
-Flag::Error PerfDataSamplingIntervalFunc(intx value, bool verbose) {
-  if ((value % PeriodicTask::interval_gran != 0)) {
-    CommandLineError::print(verbose,
-                            "PerfDataSamplingInterval (" INTX_FORMAT ") must be "
-                            "evenly divisible by PeriodicTask::interval_gran (" INTX_FORMAT ")\n",
-                            value, PeriodicTask::interval_gran);
-    return Flag::VIOLATES_CONSTRAINT;
-  } else {
-    return Flag::SUCCESS;
-  }
-}
-
-Flag::Error ThreadLocalHandshakesConstraintFunc(bool value, bool verbose) {
-  if (value) {
-    if (!SafepointMechanism::supports_thread_local_poll()) {
-      CommandLineError::print(verbose, "ThreadLocalHandshakes not yet supported on this platform\n");
-      return Flag::VIOLATES_CONSTRAINT;
-    }
-  }
-  return Flag::SUCCESS;
-}