1 #!/bin/sh

     2 

     3 #

     4 # Copyright 2002-2005 Sun Microsystems, Inc.  All Rights Reserved.

     5 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     6 #

     7 # This code is free software; you can redistribute it and/or modify it

     8 # under the terms of the GNU General Public License version 2 only, as

     9 # published by the Free Software Foundation.

    10 #

    11 # This code is distributed in the hope that it will be useful, but WITHOUT

    12 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14 # version 2 for more details (a copy is included in the LICENSE file that

    15 # accompanied this code).

    16 #

    17 # You should have received a copy of the GNU General Public License version

    18 # 2 along with this work; if not, write to the Free Software Foundation,

    19 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20 #

    21 # Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    22 # CA 95054 USA or visit www.sun.com if you need additional information or

    23 # have any questions.

    24 #

    25 

    26 #  @test

    27 #  @bug 4622663

    28 #  @summary redefine and pop top frame from jdb gets assertion failure

    29 #  @author Jim Holmlund/Swamy Venkataramanappa

    30 #

    31 #  The failure occurs with debug java when the pop deletes the

    32 #  line that called the method which is being popped.

    33 #  @run shell RedefinePop.sh

    34 

    35 

    36 # assert(index<len, "should have found method")

    37 #  [8] report_assertion_failure(0xfe2a54d9, 0xfe2a54e3, 0x2cc, 0xfe2a5527, 0xfffffff8, 0x3f2b8), at 0xfda1e5e8

    38 # [9] methodOopDesc::jni_id(0xf590a2f0, 0x3e868, 0x8, 0xffbed760, 0xf590a3ac, 0xffbed664), at 0xfdcd7a2c

    39  # [10] JvmdiThreadState::compare_and_set_current_location(0x3f450, 0xf590a2f0, 0xf590a33f, 0x1, 0x1, 0x3e868), at 0xfdc0f670

    40 #  [11] jvmdi::at_single_stepping_point(0x3e868, 0xf590a2f0, 0xf590a33f, 0x5, 0x0, 0x0), at 0xfdc29184

    41 #  [12] InterpreterRuntime::at_safepoint(0x3e868, 0xb6, 0x2, 0xf9c28744, 0xf590a038, 0xffbed880), at 0xfdb0d590

    42 

    43 # These are variables that can be set to control execution

    44 

    45 compileOptions=-g

    46 

    47 createJavaFile()

    48 {

    49     cat <<EOF > $1.java.1

    50 

    51 public class $1 {

    52     static public void main(String[] args) {

    53        $1 mine = new $1();

    54        mine.a1(44);   // @1 delete the call that we are in when the pop occurs

    55        mine.a4();

    56     }

    57 

    58     public void a1(int p1) {

    59       System.out.println("a1: @1 breakpoint here");

    60     }

    61 

    62     public void a4() {

    63       System.out.println("a4: The next line should not say Ni!");

    64       System.out.println("a4: Ni!");   // @1 delete

    65     }

    66 }

    67 EOF

    68 }

    69 

    70 # This is called to feed cmds to jdb.

    71 dojdbCmds()

    72 {

    73     setBkpts @1

    74     runToBkpt @1

    75     redefineClass @1

    76     cmd pop

    77     cmd cont

    78     cmd quit

    79 }

    80 

    81 

    82 mysetup()

    83 {

    84     if [ -z "$TESTSRC" ] ; then

    85         TESTSRC=.

    86     fi

    87 

    88     for ii in . $TESTSRC $TESTSRC/.. ; do

    89         if [ -r "$ii/ShellScaffold.sh" ] ; then

    90             . $ii/ShellScaffold.sh 

    91             break

    92         fi

    93     done

    94 }

    95 

    96 # You could replace this next line with the contents

    97 # of ShellScaffold.sh and this script will run just the same.

    98 mysetup

    99 

   100 runit

   101 debuggeeFailIfPresent "Internal exception:"

   102 pass