hotspot/test/runtime/modules/AccessCheck/p3/c3ReadEdgeDiffLoader.jcod
author alanb
Fri, 10 Feb 2017 09:03:55 +0000
changeset 43665 4bb003cad9b9
parent 36508 5f9eee6b383b
child 44520 0553e129e0ec
permissions -rw-r--r--
8173393: Module system implementation refresh (2/2017) Reviewed-by: lfoltan, acorn, mchung Contributed-by: alan.bateman@oracle.com, george.triantafillou@oracle.com
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/*
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 * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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/* 
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 * package p3;
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 * import java.lang.reflect.*;
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 * import myloaders.MyDiffClassLoader;
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 *
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 * public class c3ReadEdgeDiffLoader {
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 *    public c3ReadEdgeDiffLoader() {
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 *       // The goal is to establish a read edge between module m1x
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 *       // which is the module where p3.c3ReadEdgeDiffLoader is defined,
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 *       // and the unnamed module that defines c4.  This must be
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 *       // done in 2 steps:
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 *       //
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 *       // Step #1: Establish a read edge between m1x, where c3ReadEdgeDiffLoader
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 *       //          is defined, and the System ClassLoader's unnamed module,
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 *       //          where MyDiffClassLoader is defined. This read edge
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 *       //          is needed before we can obtain MyDiffClassLoader.loader2's unnamed module.
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 *       //
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 *       // Step #2: Establish a read edge between m1x, where c3ReadEdgeDiffLoader
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 *       //          is defined, and the MyDiffClassLoader.loader2's unnamed module,
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 *       //          where c4 will be defined.
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 *
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 *       // Step #1: read edge m1x -> System ClassLoader's unnamed module
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 *       Module m1x = c3ReadEdgeDiffLoader.class.getModule();
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 *       ClassLoader system_loader = ClassLoader.getSystemClassLoader();
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 *       Module unnamed_module_one = system_loader.getUnnamedModule();
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 *       m1x.addReads(unnamed_module_one);
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 *
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 *       // Step #2: read edge m1x -> MyDiffClassLoader.loader2's unnamed module
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 *       ClassLoader loader2 = MyDiffClassLoader.loader2;
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 *       Module unnamed_module_two = loader2.getUnnamedModule();
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 *       m1x.addReads(unnamed_module_two);
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 *
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 *       // Attempt access - should succeed since m1x can read
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 *       //                  MyDiffClassLoader.loader2's unnamed module
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 *       c4 c4_obj = new c4();
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 *       c4_obj.method4();
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 *   }
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 * }
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 */
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class p3/c3ReadEdgeDiffLoader {
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  0xCAFEBABE;
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  0; // minor version
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  52; // version
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  [46] { // Constant Pool
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    ; // first element is empty
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    Method #11 #18; // #1     at 0x0A
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    class #19; // #2     at 0x0F
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    Method #20 #21; // #3     at 0x12
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    Method #22 #23; // #4     at 0x17
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    Method #22 #24; // #5     at 0x1C
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    Method #25 #26; // #6     at 0x21
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    Field #27 #28; // #7     at 0x26
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    class #29; // #8     at 0x2B
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    Method #8 #18; // #9     at 0x2E
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    Method #8 #30; // #10     at 0x33
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    class #31; // #11     at 0x38
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    Utf8 "<init>"; // #12     at 0x3B
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    Utf8 "()V"; // #13     at 0x44
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    Utf8 "Code"; // #14     at 0x4A
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    Utf8 "LineNumberTable"; // #15     at 0x51
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    Utf8 "SourceFile"; // #16     at 0x63
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    Utf8 "c3ReadEdgeDiffLoader.java"; // #17     at 0x70
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    NameAndType #12 #13; // #18     at 0x8C
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    Utf8 "p3/c3ReadEdgeDiffLoader"; // #19     at 0x91
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    class #32; // #20     at 0xAB
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    NameAndType #33 #34; // #21     at 0xAE
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    class #35; // #22     at 0xB3
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    NameAndType #36 #37; // #23     at 0xB6
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    NameAndType #38 #34; // #24     at 0xBB
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    class #39; // #25     at 0xC0
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    NameAndType #40 #41; // #26     at 0xC3
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    class #42; // #27     at 0xC8
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    NameAndType #43 #44; // #28     at 0xCB
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    Utf8 "c4"; // #29     at 0xD0
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    NameAndType #45 #13; // #30     at 0xD8
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    Utf8 "java/lang/Object"; // #31     at 0xDD
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    Utf8 "java/lang/Class"; // #32     at 0xF0
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    Utf8 "getModule"; // #33     at 0x0102
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    Utf8 "()Ljava/lang/reflect/Module;"; // #34     at 0x010E
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    Utf8 "java/lang/ClassLoader"; // #35     at 0x012D
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    Utf8 "getSystemClassLoader"; // #36     at 0x0145
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    Utf8 "()Ljava/lang/ClassLoader;"; // #37     at 0x015C
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    Utf8 "getUnnamedModule"; // #38     at 0x0178
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    Utf8 "java/lang/reflect/Module"; // #39     at 0x018B
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    Utf8 "addReads"; // #40     at 0x01A6
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    Utf8 "(Ljava/lang/reflect/Module;)Ljava/lang/reflect/Module;"; // #41     at 0x01B1
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    Utf8 "myloaders/MyDiffClassLoader"; // #42     at 0x01EA
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    Utf8 "loader2"; // #43     at 0x0208
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    Utf8 "Lmyloaders/MyDiffClassLoader;"; // #44     at 0x0212
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    Utf8 "method4"; // #45     at 0x0232
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  } // Constant Pool
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  0x0021; // access
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  #2;// this_cpx
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  #11;// super_cpx
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  [0] { // Interfaces
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  } // Interfaces
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  [0] { // fields
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  } // fields
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  [1] { // methods
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    { // Member at 0x0248
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      0x0001; // access
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      #12; // name_cpx
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      #13; // sig_cpx
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      [1] { // Attributes
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        Attr(#14, 123) { // Code at 0x0250
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          2; // max_stack
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          7; // max_locals
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          Bytes[59]{
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            0x2AB700011202B600;
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            0x034CB800044D2CB6;
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            0x00054E2B2DB60006;
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            0x57B200073A041904;
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            0xB600053A052B1905;
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            0xB6000657BB000859;
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            0xB700093A061906B6;
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            0x000AB1;
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          };
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          [0] { // Traps
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          } // end Traps
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          [1] { // Attributes
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            Attr(#15, 46) { // LineNumberTable at 0x029D
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              [11] { // LineNumberTable
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                0  33; //  at 0x02A9
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                4  34; //  at 0x02AD
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                10  36; //  at 0x02B1
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                14  37; //  at 0x02B5
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                19  39; //  at 0x02B9
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                25  41; //  at 0x02BD
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                30  42; //  at 0x02C1
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                37  46; //  at 0x02C5
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                44  49; //  at 0x02C9
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                53  50; //  at 0x02CD
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                58  51; //  at 0x02D1
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              }
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            } // end LineNumberTable
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          } // Attributes
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        } // end Code
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      } // Attributes
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    } // Member
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  } // methods
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  [1] { // Attributes
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    Attr(#16, 2) { // SourceFile at 0x02D3
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      #17;
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    } // end SourceFile
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  } // Attributes
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} // end class p3/c3ReadEdgeDiffLoader