6715767: javap on java.lang.ClassLoader crashes

Wed, 18 Jun 2008 16:53:08 -0700

author
jjg
date
Wed, 18 Jun 2008 16:53:08 -0700
changeset 52
3cb4fb6e0720
parent 51
700b17652ef6
child 53
0c66311205c2

6715767: javap on java.lang.ClassLoader crashes
Reviewed-by: ksrini

src/share/classes/com/sun/tools/classfile/ConstantPool.java file | annotate | diff | comparison | revisions
src/share/classes/com/sun/tools/javap/AttributeWriter.java file | annotate | diff | comparison | revisions
src/share/classes/com/sun/tools/javap/ClassWriter.java file | annotate | diff | comparison | revisions
src/share/classes/com/sun/tools/javap/JavapTask.java file | annotate | diff | comparison | revisions
test/tools/javap/T6715767.java file | annotate | diff | comparison | revisions
     1.1 --- a/src/share/classes/com/sun/tools/classfile/ConstantPool.java	Mon Jun 16 22:23:33 2008 -0700
     1.2 +++ b/src/share/classes/com/sun/tools/classfile/ConstantPool.java	Wed Jun 18 16:53:08 2008 -0700
     1.3 @@ -153,7 +153,7 @@
     1.4                  break;
     1.5  
     1.6              case CONSTANT_String:
     1.7 -                pool[i] = new CONSTANT_String_info(cr);
     1.8 +                pool[i] = new CONSTANT_String_info(this, cr);
     1.9                  break;
    1.10  
    1.11              case CONSTANT_Utf8:
    1.12 @@ -509,7 +509,8 @@
    1.13      }
    1.14  
    1.15      public static class CONSTANT_String_info extends CPInfo {
    1.16 -        CONSTANT_String_info(ClassReader cr) throws IOException {
    1.17 +        CONSTANT_String_info(ConstantPool cp, ClassReader cr) throws IOException {
    1.18 +            super(cp);
    1.19              string_index = cr.readUnsignedShort();
    1.20          }
    1.21  
     2.1 --- a/src/share/classes/com/sun/tools/javap/AttributeWriter.java	Mon Jun 16 22:23:33 2008 -0700
     2.2 +++ b/src/share/classes/com/sun/tools/javap/AttributeWriter.java	Wed Jun 18 16:53:08 2008 -0700
     2.3 @@ -259,7 +259,7 @@
     2.4          return null;
     2.5      }
     2.6  
     2.7 -    String getJavaException(Exceptions_attribute attr, int index) {
     2.8 +    private String getJavaException(Exceptions_attribute attr, int index) {
     2.9          try {
    2.10              return getJavaName(attr.getException(index, constant_pool));
    2.11          } catch (ConstantPoolException e) {
     3.1 --- a/src/share/classes/com/sun/tools/javap/ClassWriter.java	Mon Jun 16 22:23:33 2008 -0700
     3.2 +++ b/src/share/classes/com/sun/tools/javap/ClassWriter.java	Wed Jun 18 16:53:08 2008 -0700
     3.3 @@ -291,7 +291,7 @@
     3.4                      for (int i = 0; i < exceptions.number_of_exceptions; i++) {
     3.5                          if (i > 0)
     3.6                              print(", ");
     3.7 -                        print(attrWriter.getJavaException(exceptions, i));
     3.8 +                        print(getJavaException(exceptions, i));
     3.9                      }
    3.10                  }
    3.11              } else {
    3.12 @@ -441,6 +441,14 @@
    3.13          }
    3.14      }
    3.15  
    3.16 +    String getJavaException(Exceptions_attribute attr, int index) {
    3.17 +        try {
    3.18 +            return getJavaName(attr.getException(index, constant_pool));
    3.19 +        } catch (ConstantPoolException e) {
    3.20 +            return report(e);
    3.21 +        }
    3.22 +    }
    3.23 +
    3.24      String getValue(Descriptor d) {
    3.25          try {
    3.26              return d.getValue(constant_pool);
     4.1 --- a/src/share/classes/com/sun/tools/javap/JavapTask.java	Mon Jun 16 22:23:33 2008 -0700
     4.2 +++ b/src/share/classes/com/sun/tools/javap/JavapTask.java	Wed Jun 18 16:53:08 2008 -0700
     4.3 @@ -475,6 +475,7 @@
     4.4                  t.printStackTrace(pw);
     4.5                  pw.close();
     4.6                  diagnosticListener.report(createDiagnostic("err.crash", t.toString(), sw.toString()));
     4.7 +                ok = false;
     4.8              }
     4.9          }
    4.10  
     5.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     5.2 +++ b/test/tools/javap/T6715767.java	Wed Jun 18 16:53:08 2008 -0700
     5.3 @@ -0,0 +1,50 @@
     5.4 +/*
     5.5 + * Copyright 2008 Sun Microsystems, Inc.  All Rights Reserved.
     5.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     5.7 + *
     5.8 + * This code is free software; you can redistribute it and/or modify it
     5.9 + * under the terms of the GNU General Public License version 2 only, as
    5.10 + * published by the Free Software Foundation.
    5.11 + *
    5.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    5.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    5.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    5.15 + * version 2 for more details (a copy is included in the LICENSE file that
    5.16 + * accompanied this code).
    5.17 + *
    5.18 + * You should have received a copy of the GNU General Public License version
    5.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    5.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    5.21 + *
    5.22 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
    5.23 + * CA 95054 USA or visit www.sun.com if you need additional information or
    5.24 + * have any questions.
    5.25 + */
    5.26 +
    5.27 +/*
    5.28 + * @test
    5.29 + * @bug 6715767
    5.30 + * @summary javap on java.lang.ClassLoader crashes
    5.31 + */
    5.32 +
    5.33 +import java.io.*;
    5.34 +
    5.35 +public class T6715767 {
    5.36 +    public static void main(String... args) throws Exception {
    5.37 +        new T6715767().run();
    5.38 +    }
    5.39 +
    5.40 +    void run() throws Exception {
    5.41 +        StringWriter sw = new StringWriter();
    5.42 +        PrintWriter pw = new PrintWriter(sw);
    5.43 +        String[] args = { "java.lang.ClassLoader" };
    5.44 +        int rc = com.sun.tools.javap.Main.run(args, pw);
    5.45 +        if (rc != 0 ||
    5.46 +            sw.toString().indexOf("at com.sun.tools.javap.JavapTask.run") != -1) {
    5.47 +            System.err.println("rc: " + rc);
    5.48 +            System.err.println("log:\n" + sw);
    5.49 +            throw new Exception("unexpected result");
    5.50 +        }
    5.51 +    }
    5.52 +}
    5.53 +

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