| /* |
| * Copyright (c) 2020, 2021, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| // This class has an entry in its PermittedSubclasses attribute that does not exist. |
| // Test that JVM_GetPermittedSubclasses() only returns the existing class. |
| // |
| // sealed class NoLoadSubclasses permits ExistingClassFile, I/Dont/Exist/Either { } |
| // |
| class NoLoadSubclasses { |
| 0xCAFEBABE; |
| 0; // minor version |
| 61; // version |
| [18] { // Constant Pool |
| ; // first element is empty |
| Method #2 #3; // #1 at 0x0A |
| class #4; // #2 at 0x0F |
| NameAndType #5 #6; // #3 at 0x12 |
| Utf8 "java/lang/Object"; // #4 at 0x17 |
| Utf8 "<init>"; // #5 at 0x2A |
| Utf8 "()V"; // #6 at 0x33 |
| class #8; // #7 at 0x39 |
| Utf8 "NoLoadSubclasses"; // #8 at 0x3C |
| Utf8 "Code"; // #9 at 0x4D |
| Utf8 "LineNumberTable"; // #10 at 0x54 |
| Utf8 "SourceFile"; // #11 at 0x66 |
| Utf8 "NoLoadSubclasses.java"; // #12 at 0x73 |
| Utf8 "PermittedSubclasses"; // #13 at 0x89 |
| class #15; // #14 at 0x9D |
| Utf8 "ExistingClassFile"; // #15 at 0xA0 |
| class #17; // #16 at 0xAA |
| Utf8 "I/Dont/Exist/Either"; // #17 at 0xAD |
| } // Constant Pool |
| |
| 0x0020; // access [ ACC_SUPER ] |
| #7;// this_cpx |
| #2;// super_cpx |
| |
| [0] { // Interfaces |
| } // Interfaces |
| |
| [0] { // fields |
| } // fields |
| |
| [1] { // methods |
| { // Member at 0xC1 |
| 0x0000; // access |
| #5; // name_cpx |
| #6; // sig_cpx |
| [1] { // Attributes |
| Attr(#9, 29) { // Code at 0xC9 |
| 1; // max_stack |
| 1; // max_locals |
| Bytes[5]{ |
| 0x2AB70001B1; |
| } |
| [0] { // Traps |
| } // end Traps |
| [1] { // Attributes |
| Attr(#10, 6) { // LineNumberTable at 0xE0 |
| [1] { // LineNumberTable |
| 0 1; // at 0xEC |
| } |
| } // end LineNumberTable |
| } // Attributes |
| } // end Code |
| } // Attributes |
| } // Member |
| } // methods |
| |
| [2] { // Attributes |
| Attr(#13, 6) { // PermittedSubclasses at 0xF6 |
| 0x0002000E0010; |
| } // end PermittedSubclasses |
| ; |
| Attr(#11, 2) { // SourceFile at 0xEE |
| #12; |
| } // end SourceFile |
| } // Attributes |
| } // end class NoLoadSubclasses |
| |
| // class ExistingClassFile extends NoLoadSubclasses { } |
| // |
| class ExistingClassFile { |
| 0xCAFEBABE; |
| 0; // minor version |
| 55; // version |
| [] { // Constant Pool |
| ; // first element is empty |
| Method #3 #10; // #1 |
| class #11; // #2 |
| class #12; // #3 |
| Utf8 "<init>"; // #4 |
| Utf8 "()V"; // #5 |
| Utf8 "Code"; // #6 |
| Utf8 "LineNumberTable"; // #7 |
| Utf8 "SourceFile"; // #8 |
| Utf8 "ExistingClassFile.java"; // #9 |
| NameAndType #4 #5; // #10 |
| Utf8 "ExistingClassFile"; // #11 |
| Utf8 "NoLoadSubclasses"; // #12 |
| } // Constant Pool |
| |
| 0x0021; // access |
| #2;// this_cpx |
| #3;// super_cpx |
| |
| [] { // Interfaces |
| } // Interfaces |
| |
| [] { // Fields |
| } // Fields |
| |
| [] { // Methods |
| { // method |
| 0x0001; // access |
| #4; // name_index |
| #5; // descriptor_index |
| [] { // Attributes |
| Attr(#6) { // Code |
| 1; // max_stack |
| 1; // max_locals |
| Bytes[]{ |
| 0x2AB70001B1; |
| } |
| [] { // Traps |
| } // end Traps |
| [] { // Attributes |
| Attr(#7) { // LineNumberTable |
| [] { // line_number_table |
| 0 1; |
| } |
| } // end LineNumberTable |
| } // Attributes |
| } // end Code |
| } // Attributes |
| } |
| } // Methods |
| |
| [] { // Attributes |
| Attr(#8) { // SourceFile |
| #9; |
| } // end SourceFile |
| } // Attributes |
| } // end class ExistingClassFile |
| |
| // This class contains an empty PermittedSubclasses attribute. Test that |
| // this does not cause an exception to get thrown. |
| class NoSubclasses { |
| 0xCAFEBABE; |
| 0; // minor version |
| 61; // version |
| [14] { // Constant Pool |
| ; // first element is empty |
| Method #2 #3; // #1 at 0x0A |
| class #4; // #2 at 0x0F |
| NameAndType #5 #6; // #3 at 0x12 |
| Utf8 "java/lang/Object"; // #4 at 0x17 |
| Utf8 "<init>"; // #5 at 0x2A |
| Utf8 "()V"; // #6 at 0x33 |
| class #8; // #7 at 0x39 |
| Utf8 "NoSubclasses"; // #8 at 0x3C |
| Utf8 "Code"; // #9 at 0x49 |
| Utf8 "LineNumberTable"; // #10 at 0x50 |
| Utf8 "SourceFile"; // #11 at 0x62 |
| Utf8 "NoSubclasses.java"; // #12 at 0x6F |
| Utf8 "PermittedSubclasses"; // #13 at 0x81 |
| } // Constant Pool |
| |
| 0x0020; // access [ ACC_SUPER ] |
| #7;// this_cpx |
| #2;// super_cpx |
| |
| [0] { // Interfaces |
| } // Interfaces |
| |
| [0] { // fields |
| } // fields |
| |
| [1] { // methods |
| { // Member at 0xAB |
| 0x0000; // access |
| #5; // name_cpx |
| #6; // sig_cpx |
| [1] { // Attributes |
| Attr(#9, 29) { // Code at 0xB3 |
| 1; // max_stack |
| 1; // max_locals |
| Bytes[5]{ |
| 0x2AB70001B1; |
| } |
| [0] { // Traps |
| } // end Traps |
| [1] { // Attributes |
| Attr(#10, 6) { // LineNumberTable at 0xCA |
| [1] { // LineNumberTable |
| 0 1; // at 0xD6 |
| } |
| } // end LineNumberTable |
| } // Attributes |
| } // end Code |
| } // Attributes |
| } // Member |
| } // methods |
| |
| [2] { // Attributes |
| Attr(#13, 2) { // PermittedSubclasses at 0xE0 |
| 0x0000; |
| } // end PermittedSubclasses |
| ; |
| Attr(#11, 2) { // SourceFile at 0xD8 |
| #12; |
| } // end SourceFile |
| } // Attributes |
| } // end class NoSubclasses |
| |
| |
| // This class extends NoSubClasses to show that a class with an empty |
| // PermittedSubtypes attribute cannot be subclass-ed. |
| class SubClass { |
| 0xCAFEBABE; |
| 0; // minor version |
| 61; // version |
| [13] { // Constant Pool |
| ; // first element is empty |
| Method #2 #3; // #1 at 0x0A |
| class #4; // #2 at 0x0F |
| NameAndType #5 #6; // #3 at 0x12 |
| Utf8 "NoSubclasses"; // #4 at 0x17 |
| Utf8 "<init>"; // #5 at 0x26 |
| Utf8 "()V"; // #6 at 0x2F |
| class #8; // #7 at 0x35 |
| Utf8 "SubClass"; // #8 at 0x38 |
| Utf8 "Code"; // #9 at 0x43 |
| Utf8 "LineNumberTable"; // #10 at 0x4A |
| Utf8 "SourceFile"; // #11 at 0x5C |
| Utf8 "SubClass.java"; // #12 at 0x69 |
| } // Constant Pool |
| |
| 0x0021; // access [ ACC_PUBLIC ACC_SUPER ] |
| #7;// this_cpx |
| #2;// super_cpx |
| |
| [0] { // Interfaces |
| } // Interfaces |
| |
| [0] { // Fields |
| } // Fields |
| |
| [1] { // Methods |
| { // method at 0x85 |
| 0x0001; // access |
| #5; // name_index : <init> |
| #6; // descriptor_index : ()V |
| [1] { // Attributes |
| Attr(#9, 29) { // Code at 0x8D |
| 1; // max_stack |
| 1; // max_locals |
| Bytes[5]{ |
| 0x2AB70001B1; |
| } |
| [0] { // Traps |
| } // end Traps |
| [1] { // Attributes |
| Attr(#10, 6) { // LineNumberTable at 0xA4 |
| [1] { // line_number_table |
| 0 1; // at 0xB0 |
| } |
| } // end LineNumberTable |
| } // Attributes |
| } // end Code |
| } // Attributes |
| } |
| } // Methods |
| |
| [1] { // Attributes |
| Attr(#11, 2) { // SourceFile at 0xB2 |
| #12; |
| } // end SourceFile |
| } // Attributes |
| } // end class SubClass |
| |
| |
| |
| // This class has a PermittedSubclasses attribute but an old class file version. |
| // The PermittedSubclasses attribute should be ignored. |
| // |
| // sealed class OldClassFile permits iDontExist, I/Dont/Exist/Either { } |
| // |
| class OldClassFile { |
| 0xCAFEBABE; |
| 0; // minor version |
| 57; // version |
| [18] { // Constant Pool |
| ; // first element is empty |
| Method #2 #3; // #1 at 0x0A |
| class #4; // #2 at 0x0F |
| NameAndType #5 #6; // #3 at 0x12 |
| Utf8 "java/lang/Object"; // #4 at 0x17 |
| Utf8 "<init>"; // #5 at 0x2A |
| Utf8 "()V"; // #6 at 0x33 |
| class #8; // #7 at 0x39 |
| Utf8 "OldClassFile"; // #8 at 0x3C |
| Utf8 "Code"; // #9 at 0x4D |
| Utf8 "LineNumberTable"; // #10 at 0x54 |
| Utf8 "SourceFile"; // #11 at 0x66 |
| Utf8 "OldClassFile.java"; // #12 at 0x73 |
| Utf8 "PermittedSubclasses"; // #13 at 0x89 |
| class #15; // #14 at 0x9D |
| Utf8 "iDontExist"; // #15 at 0xA0 |
| class #17; // #16 at 0xAA |
| Utf8 "I/Dont/Exist/Either"; // #17 at 0xAD |
| } // Constant Pool |
| |
| 0x0030; // access [ ACC_SUPER ACC_FINAL ] |
| #7;// this_cpx |
| #2;// super_cpx |
| |
| [0] { // Interfaces |
| } // Interfaces |
| |
| [0] { // fields |
| } // fields |
| |
| [1] { // methods |
| { // Member at 0xC1 |
| 0x0000; // access |
| #5; // name_cpx |
| #6; // sig_cpx |
| [1] { // Attributes |
| Attr(#9, 29) { // Code at 0xC9 |
| 1; // max_stack |
| 1; // max_locals |
| Bytes[5]{ |
| 0x2AB70001B1; |
| } |
| [0] { // Traps |
| } // end Traps |
| [1] { // Attributes |
| Attr(#10, 6) { // LineNumberTable at 0xE0 |
| [1] { // LineNumberTable |
| 0 1; // at 0xEC |
| } |
| } // end LineNumberTable |
| } // Attributes |
| } // end Code |
| } // Attributes |
| } // Member |
| } // methods |
| |
| [2] { // Attributes |
| Attr(#11, 2) { // SourceFile at 0xEE |
| #12; |
| } // end SourceFile |
| ; |
| Attr(#13, 6) { // PermittedSubclasses at 0xF6 |
| 0x0002000E0010; |
| } // end PermittedSubclasses |
| } // Attributes |
| } // end class OldClassFile |
| |
| |
| |
| // This class has a corrupted PermittedSubclasses attribute. Attempts to load it |
| // should throw ClassFormatError. |
| class BadPermittedAttr { |
| 0xCAFEBABE; |
| 0; // minor version |
| 61; // version |
| [18] { // Constant Pool |
| ; // first element is empty |
| Method #2 #3; // #1 at 0x0A |
| class #4; // #2 at 0x0F |
| NameAndType #5 #6; // #3 at 0x12 |
| Utf8 "java/lang/Object"; // #4 at 0x17 |
| Utf8 "<init>"; // #5 at 0x2A |
| Utf8 "()V"; // #6 at 0x33 |
| class #8; // #7 at 0x39 |
| Utf8 "BadPermittedAttr"; // #8 at 0x3C |
| Utf8 "Code"; // #9 at 0x4D |
| Utf8 "LineNumberTable"; // #10 at 0x54 |
| Utf8 "SourceFile"; // #11 at 0x66 |
| Utf8 "BadPermittedAttr.java"; // #12 at 0x73 |
| Utf8 "PermittedSubclasses"; // #13 at 0x89 |
| class #15; // #14 at 0x9D |
| Utf8 "iDontExist"; // #15 at 0xA0 |
| class #17; // #16 at 0xAA |
| Utf8 "I/Dont/Exist/Either"; // #17 at 0xAD |
| } // Constant Pool |
| |
| 0x0020; // access [ ACC_SUPER ] |
| #7;// this_cpx |
| #2;// super_cpx |
| |
| [0] { // Interfaces |
| } // Interfaces |
| |
| [0] { // fields |
| } // fields |
| |
| [1] { // methods |
| { // Member at 0xC1 |
| 0x0000; // access |
| #5; // name_cpx |
| #6; // sig_cpx |
| [1] { // Attributes |
| Attr(#9, 29) { // Code at 0xC9 |
| 1; // max_stack |
| 1; // max_locals |
| Bytes[5]{ |
| 0x2AB70001B1; |
| } |
| [0] { // Traps |
| } // end Traps |
| [1] { // Attributes |
| Attr(#10, 6) { // LineNumberTable at 0xE0 |
| [1] { // LineNumberTable |
| 0 1; // at 0xEC |
| } |
| } // end LineNumberTable |
| } // Attributes |
| } // end Code |
| } // Attributes |
| } // Member |
| } // methods |
| |
| [2] { // Attributes |
| Attr(#11, 2) { // SourceFile at 0xEE |
| #12; |
| } // end SourceFile |
| ; |
| Attr(#13, 6) { // PermittedSubclasses at 0xF6 |
| 0x0002000F0010; |
| } // end PermittedSubclasses |
| } // Attributes |
| } // end class BadPermittedAttr |
| |
| |
| // This class has a PermittedSubclasses attribute and is marked Final. |
| // Loading this class should throw a ClassFormatError exception. |
| // |
| // sealed class SealedButFinal permits iDontExist, I/Dont/Exist/Either { } |
| // |
| class SealedButFinal { |
| 0xCAFEBABE; |
| 0; // minor version |
| 61; // version |
| [18] { // Constant Pool |
| ; // first element is empty |
| Method #2 #3; // #1 at 0x0A |
| class #4; // #2 at 0x0F |
| NameAndType #5 #6; // #3 at 0x12 |
| Utf8 "java/lang/Object"; // #4 at 0x17 |
| Utf8 "<init>"; // #5 at 0x2A |
| Utf8 "()V"; // #6 at 0x33 |
| class #8; // #7 at 0x39 |
| Utf8 "SealedButFinal"; // #8 at 0x3C |
| Utf8 "Code"; // #9 at 0x4D |
| Utf8 "LineNumberTable"; // #10 at 0x54 |
| Utf8 "SourceFile"; // #11 at 0x66 |
| Utf8 "SealedButFinal.java"; // #12 at 0x73 |
| Utf8 "PermittedSubclasses"; // #13 at 0x89 |
| class #15; // #14 at 0x9D |
| Utf8 "iDontExist"; // #15 at 0xA0 |
| class #17; // #16 at 0xAA |
| Utf8 "I/Dont/Exist/Either"; // #17 at 0xAD |
| } // Constant Pool |
| |
| 0x0030; // access [ ACC_SUPER ACC_FINAL ] |
| #7;// this_cpx |
| #2;// super_cpx |
| |
| [0] { // Interfaces |
| } // Interfaces |
| |
| [0] { // fields |
| } // fields |
| |
| [1] { // methods |
| { // Member at 0xC1 |
| 0x0000; // access |
| #5; // name_cpx |
| #6; // sig_cpx |
| [1] { // Attributes |
| Attr(#9, 29) { // Code at 0xC9 |
| 1; // max_stack |
| 1; // max_locals |
| Bytes[5]{ |
| 0x2AB70001B1; |
| } |
| [0] { // Traps |
| } // end Traps |
| [1] { // Attributes |
| Attr(#10, 6) { // LineNumberTable at 0xE0 |
| [1] { // LineNumberTable |
| 0 1; // at 0xEC |
| } |
| } // end LineNumberTable |
| } // Attributes |
| } // end Code |
| } // Attributes |
| } // Member |
| } // methods |
| |
| [2] { // Attributes |
| Attr(#11, 2) { // SourceFile at 0xEE |
| #12; |
| } // end SourceFile |
| ; |
| Attr(#13, 6) { // PermittedSubclasses at 0xF6 |
| 0x0002000E0010; |
| } // end PermittedSubclasses |
| } // Attributes |
| } // end class SealedButFinal |
| |
| |
| // This class contains a PermittedSubclasses attribute with an invalid class |
| // name. Test that this causes a ClassFormatError exception to get thrown. |
| // |
| // sealed class BadPermittedSubclassEntry permits iDont;;Exist, I/Dont/Exist/Either { } |
| // |
| class BadPermittedSubclassEntry { |
| 0xCAFEBABE; |
| 0; // minor version |
| 61; // version |
| [18] { // Constant Pool |
| ; // first element is empty |
| Method #2 #3; // #1 at 0x0A |
| class #4; // #2 at 0x0F |
| NameAndType #5 #6; // #3 at 0x12 |
| Utf8 "java/lang/Object"; // #4 at 0x17 |
| Utf8 "<init>"; // #5 at 0x2A |
| Utf8 "()V"; // #6 at 0x33 |
| class #8; // #7 at 0x39 |
| Utf8 "BadPermittedSubclassEntry"; // #8 at 0x3C |
| Utf8 "Code"; // #9 at 0x4D |
| Utf8 "LineNumberTable"; // #10 at 0x54 |
| Utf8 "SourceFile"; // #11 at 0x66 |
| Utf8 "BadPermittedSubclassEntry.java"; // #12 at 0x73 |
| Utf8 "PermittedSubclasses"; // #13 at 0x89 |
| class #15; // #14 at 0x9D |
| Utf8 "iDont;;Exist"; // #15 at 0xA0 |
| class #17; // #16 at 0xAA |
| Utf8 "I/Dont/Exist/Either"; // #17 at 0xAD |
| } // Constant Pool |
| |
| 0x0020; // access [ ACC_SUPER ] |
| #7;// this_cpx |
| #2;// super_cpx |
| |
| [0] { // Interfaces |
| } // Interfaces |
| |
| [0] { // fields |
| } // fields |
| |
| [1] { // methods |
| { // Member at 0xC1 |
| 0x0000; // access |
| #5; // name_cpx |
| #6; // sig_cpx |
| [1] { // Attributes |
| Attr(#9, 29) { // Code at 0xC9 |
| 1; // max_stack |
| 1; // max_locals |
| Bytes[5]{ |
| 0x2AB70001B1; |
| } |
| [0] { // Traps |
| } // end Traps |
| [1] { // Attributes |
| Attr(#10, 6) { // LineNumberTable at 0xE0 |
| [1] { // LineNumberTable |
| 0 1; // at 0xEC |
| } |
| } // end LineNumberTable |
| } // Attributes |
| } // end Code |
| } // Attributes |
| } // Member |
| } // methods |
| |
| [2] { // Attributes |
| Attr(#13, 6) { // PermittedSubclasses at 0xF6 |
| 0x0002000E0010; |
| } // end PermittedSubclasses |
| ; |
| Attr(#11, 2) { // SourceFile at 0xEE |
| #12; |
| } // end SourceFile |
| } // Attributes |
| } |
| |
| // This class contains a PermittedSubclasses attribute with an empty class |
| // name. Test that this causes a ClassFormatError exception to get thrown. |
| // |
| // sealed class EmptyPermittedSubclassEntry permits "", I/Dont/Exist/Either { } |
| // |
| class EmptyPermittedSubclassEntry { |
| 0xCAFEBABE; |
| 0; // minor version |
| 61; // version |
| [18] { // Constant Pool |
| ; // first element is empty |
| Method #2 #3; // #1 at 0x0A |
| class #4; // #2 at 0x0F |
| NameAndType #5 #6; // #3 at 0x12 |
| Utf8 "java/lang/Object"; // #4 at 0x17 |
| Utf8 "<init>"; // #5 at 0x2A |
| Utf8 "()V"; // #6 at 0x33 |
| class #8; // #7 at 0x39 |
| Utf8 "EmptyPermittedSubclassEntry"; // #8 at 0x3C |
| Utf8 "Code"; // #9 at 0x4D |
| Utf8 "LineNumberTable"; // #10 at 0x54 |
| Utf8 "SourceFile"; // #11 at 0x66 |
| Utf8 "EmptyPermittedSubclassEntry.java"; // #12 at 0x73 |
| Utf8 "PermittedSubclasses"; // #13 at 0x89 |
| class #15; // #14 at 0x9D |
| Utf8 ""; // #15 at 0xA0 |
| class #17; // #16 at 0xAA |
| Utf8 "I/Dont/Exist/Either"; // #17 at 0xAD |
| } // Constant Pool |
| |
| 0x0020; // access [ ACC_SUPER ] |
| #7;// this_cpx |
| #2;// super_cpx |
| |
| [0] { // Interfaces |
| } // Interfaces |
| |
| [0] { // fields |
| } // fields |
| |
| [1] { // methods |
| { // Member at 0xC1 |
| 0x0000; // access |
| #5; // name_cpx |
| #6; // sig_cpx |
| [1] { // Attributes |
| Attr(#9, 29) { // Code at 0xC9 |
| 1; // max_stack |
| 1; // max_locals |
| Bytes[5]{ |
| 0x2AB70001B1; |
| } |
| [0] { // Traps |
| } // end Traps |
| [1] { // Attributes |
| Attr(#10, 6) { // LineNumberTable at 0xE0 |
| [1] { // LineNumberTable |
| 0 1; // at 0xEC |
| } |
| } // end LineNumberTable |
| } // Attributes |
| } // end Code |
| } // Attributes |
| } // Member |
| } // methods |
| |
| [2] { // Attributes |
| Attr(#13, 6) { // PermittedSubclasses at 0xF6 |
| 0x0002000E0010; |
| } // end PermittedSubclasses |
| ; |
| Attr(#11, 2) { // SourceFile at 0xEE |
| #12; |
| } // end SourceFile |
| } // Attributes |
| } |
