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 jdk.vm.ci.code;
  24 
  25 import java.util.*;
  26 
  27 import jdk.vm.ci.meta.*;
  28 
  29 /**
  30  * Represents a code position, that is, a chain of inlined methods with bytecode locations, that is
  31  * communicated from the compiler to the runtime system. A code position can be used by the runtime
  32  * system to reconstruct a source-level stack trace for exceptions and to create
  33  * {@linkplain BytecodeFrame frames} for deoptimization.
  34  */
  35 public class BytecodePosition {
  36 
  37     private final BytecodePosition caller;
  38     private final ResolvedJavaMethod method;
  39     private final int bci;
  40 
  41     /**
  42      * Constructs a new object representing a given parent/caller, a given method, and a given BCI.
  43      *
  44      * @param caller the parent position
  45      * @param method the method
  46      * @param bci a BCI within the method
  47      */

   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 jdk.vm.ci.code;
  24 
  25 import java.util.Objects;
  26 
  27 import jdk.vm.ci.meta.ResolvedJavaMethod;
  28 
  29 /**
  30  * Represents a code position, that is, a chain of inlined methods with bytecode locations, that is
  31  * communicated from the compiler to the runtime system. A code position can be used by the runtime
  32  * system to reconstruct a source-level stack trace for exceptions and to create
  33  * {@linkplain BytecodeFrame frames} for deoptimization.
  34  */
  35 public class BytecodePosition {
  36 
  37     private final BytecodePosition caller;
  38     private final ResolvedJavaMethod method;
  39     private final int bci;
  40 
  41     /**
  42      * Constructs a new object representing a given parent/caller, a given method, and a given BCI.
  43      *
  44      * @param caller the parent position
  45      * @param method the method
  46      * @param bci a BCI within the method
  47      */