src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.lir/src/org/graalvm/compiler/lir/BailoutAndRestartBackendException.java
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src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.lir/src/org/graalvm/compiler/lir/BailoutAndRestartBackendException.java

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   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 package org.graalvm.compiler.lir;
  24 
  25 import org.graalvm.compiler.common.PermanentBailoutException;
  26 import org.graalvm.compiler.lir.phases.LIRSuites;
  27 import org.graalvm.compiler.options.Option;

  28 import org.graalvm.compiler.options.OptionType;
  29 import org.graalvm.compiler.options.OptionValue;
  30 import org.graalvm.compiler.options.OptionValue.OverrideScope;
  31 import org.graalvm.compiler.options.StableOptionValue;
  32 
  33 /**
  34  * Restarts the {@link LIR low-level} compilation with a modified configuration.
  35  * {@link BailoutAndRestartBackendException.Options#LIRUnlockBackendRestart LIRUnlockBackendRestart}
  36  * needs to be enabled. Use only for debugging purposes only.
  37  */
  38 public abstract class BailoutAndRestartBackendException extends PermanentBailoutException {
  39 
  40     public static class Options {
  41         // @formatter:off
  42         @Option(help = "Unlock backend restart feature.", type = OptionType.Debug)
  43         public static final StableOptionValue<Boolean> LIRUnlockBackendRestart = new StableOptionValue<>(false);
  44         // @formatter:on
  45     }
  46 
  47     private static final long serialVersionUID = 792969002851591180L;
  48 
  49     public BailoutAndRestartBackendException(String msg) {
  50         super(msg);
  51     }
  52 
  53     public BailoutAndRestartBackendException(Throwable cause, String msg) {
  54         super(cause, msg);
  55     }
  56 
  57     /** Returns {@code true} if the low-level compilation should be restarted. */
  58     public abstract boolean shouldRestart();
  59 
  60     /**
  61      * Returns an {@link OverrideScope} to change {@link OptionValue OptionValues} or {@code null}
  62      * if no changes are required.
  63      */
  64     public abstract OverrideScope getOverrideScope();
  65 
  66     /**
  67      * Updates the {@link LIRSuites} used by the low-level compiler. Note that {@link LIRSuites} are
  68      * usually shared, so a modified input parameter will affect other compilations. In case only
  69      * the current compilation should be altered, create a copy using {@link LIRSuites#copy()}.
  70      */
  71     public abstract LIRSuites updateLIRSuites(LIRSuites lirSuites);
  72 
  73 }


   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 package org.graalvm.compiler.lir;
  24 
  25 import org.graalvm.compiler.core.common.PermanentBailoutException;

  26 import org.graalvm.compiler.options.Option;
  27 import org.graalvm.compiler.options.OptionKey;
  28 import org.graalvm.compiler.options.OptionType;



  29 
  30 /**
  31  * Restarts the {@link LIR low-level} compilation with a modified configuration.
  32  * {@link BailoutAndRestartBackendException.Options#LIRUnlockBackendRestart LIRUnlockBackendRestart}
  33  * needs to be enabled. Use only for debugging purposes only.
  34  */
  35 public abstract class BailoutAndRestartBackendException extends PermanentBailoutException {
  36 
  37     public static class Options {
  38         // @formatter:off
  39         @Option(help = "Unlock backend restart feature.", type = OptionType.Debug)
  40         public static final OptionKey<Boolean> LIRUnlockBackendRestart = new OptionKey<>(false);
  41         // @formatter:on
  42     }
  43 
  44     private static final long serialVersionUID = 792969002851591180L;
  45 
  46     public BailoutAndRestartBackendException(String msg) {
  47         super(msg);
  48     }
  49 
  50     public BailoutAndRestartBackendException(Throwable cause, String msg) {
  51         super(cause, msg);
  52     }

















  53 }
src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.lir/src/org/graalvm/compiler/lir/BailoutAndRestartBackendException.java
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