/* * Copyright (c) 2018, 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 .jcod test was derived from the following Java program. In the .jcod // file, The first opcode was changed to an illegal value to cause a 'bad // instruction' VerifyError exception. Also, the stack map table was changed // so that it contains an illegal verification type. The error occurred when // the verifier tried to print the stack map table as part of the 'bad // instruction' VerifyError exception. // // public class badStackMapTabe extends java.lang.Throwable { // // public static void m(int I, String s, long l, Object o) { // try { // if (I == l) { // System.out.println("x"); // } // } catch (Exception e) { // System.out.println("y"); // } // } // // public static void main(String argv[]) { // badStackMapTabe.m(5, "hi", 6, "x"); // } // } class badStackMapTable { 0xCAFEBABE; 0; // minor version 55; // version [42] { // Constant Pool ; // first element is empty Method #12 #24; // #1 at 0x0A Field #25 #26; // #2 at 0x0F String #27; // #3 at 0x14 Method #28 #29; // #4 at 0x17 class #30; // #5 at 0x1C String #31; // #6 at 0x1F String #32; // #7 at 0x22 long 0x0000000000000006;; // #8 at 0x25 Method #11 #33; // #10 at 0x2E class #34; // #11 at 0x33 class #35; // #12 at 0x36 Utf8 ""; // #13 at 0x39 Utf8 "()V"; // #14 at 0x42 Utf8 "Code"; // #15 at 0x48 Utf8 "LineNumberTable"; // #16 at 0x4F Utf8 "m"; // #17 at 0x61 Utf8 "(ILjava/lang/String;JLjava/lang/Object;)V"; // #18 at 0x65 Utf8 "StackMapTable"; // #19 at 0x91 Utf8 "main"; // #20 at 0xA1 Utf8 "([Ljava/lang/String;)V"; // #21 at 0xA8 Utf8 "SourceFile"; // #22 at 0xC1 Utf8 "badStackMapTable.java"; // #23 at 0xCE NameAndType #13 #14; // #24 at 0xDA class #36; // #25 at 0xDF NameAndType #37 #38; // #26 at 0xE2 Utf8 "x"; // #27 at 0xE7 class #39; // #28 at 0xEB NameAndType #40 #41; // #29 at 0xEE Utf8 "java/lang/Exception"; // #30 at 0xF3 Utf8 "y"; // #31 at 0x0109 Utf8 "hi"; // #32 at 0x010D NameAndType #17 #18; // #33 at 0x0112 Utf8 "badStackMapTable"; // #34 at 0x0117 Utf8 "java/lang/Throwable"; // #35 at 0x011E Utf8 "java/lang/System"; // #36 at 0x0134 Utf8 "out"; // #37 at 0x0147 Utf8 "Ljava/io/PrintStream;"; // #38 at 0x014D Utf8 "java/io/PrintStream"; // #39 at 0x0165 Utf8 "println"; // #40 at 0x017B Utf8 "(Ljava/lang/String;)V"; // #41 at 0x0185 } // Constant Pool 0x0021; // access [ ACC_PUBLIC ACC_SUPER ] #11;// this_cpx #12;// super_cpx [0] { // Interfaces } // Interfaces [0] { // fields } // fields [3] { // methods { // Member at 0x01A9 0x0001; // access #13; // name_cpx #14; // sig_cpx [1] { // Attributes Attr(#15, 29) { // Code at 0x01B1 1; // max_stack 1; // max_locals Bytes[5]{ 0x2AB70001B1; }; [0] { // Traps } // end Traps [1] { // Attributes Attr(#16, 6) { // LineNumberTable at 0x01C8 [1] { // LineNumberTable 0 1; // at 0x01D4 } } // end LineNumberTable } // Attributes } // end Code } // Attributes } // Member ; { // Member at 0x01D4 0x0009; // access #17; // name_cpx #18; // sig_cpx [1] { // Attributes Attr(#15, 95) { // Code at 0x01DC 4; // max_stack 6; // max_locals Bytes[29]{ 0xF88520949A000BB2; // Create an illegal opcode by changing 0x1A to 0xF8 0x00021203B60004A7; 0x000D3A05B2000212; 0x06B60004B1; }; [1] { // Traps 0 15 18 5; // at 0x0211 } // end Traps [2] { // Attributes Attr(#16, 26) { // LineNumberTable at 0x0213 [6] { // LineNumberTable 0 5; // at 0x021F 7 6; // at 0x0223 15 10; // at 0x0227 18 8; // at 0x022B 20 9; // at 0x022F 28 11; // at 0x0233 } } // end LineNumberTable ; Attr(#19, 8) { // StackMapTable at 0x0233 [3] { // 15b; // same_frame 66b, [1]z{9b,5}; // Create an invalid verification type by changing 7b to 9b 9b; // same_frame } } // end StackMapTable } // Attributes } // end Code } // Attributes } // Member ; { // Member at 0x0241 0x0009; // access #20; // name_cpx #21; // sig_cpx [1] { // Attributes Attr(#15, 40) { // Code at 0x0249 5; // max_stack 1; // max_locals Bytes[12]{ 0x0812071400081203; 0xB8000AB1; }; [0] { // Traps } // end Traps [1] { // Attributes Attr(#16, 10) { // LineNumberTable at 0x0267 [2] { // LineNumberTable 0 14; // at 0x0273 11 15; // at 0x0277 } } // end LineNumberTable } // Attributes } // end Code } // Attributes } // Member } // methods [1] { // Attributes Attr(#22, 2) { // SourceFile at 0x0279 #23; } // end SourceFile } // Attributes } // end class badStackMapTable