1 /* 2 * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package jdk.internal.reflect; 27 28 /** Minimal set of class file constants for assembly of field and 29 method accessors. */ 30 31 interface ClassFileConstants { 32 // Constants 33 public static final byte opc_aconst_null = (byte) 0x1; 34 public static final byte opc_sipush = (byte) 0x11; 35 public static final byte opc_ldc = (byte) 0x12; 36 37 // Local variable loads and stores 38 public static final byte opc_iload_0 = (byte) 0x1a; 39 public static final byte opc_iload_1 = (byte) 0x1b; 40 public static final byte opc_iload_2 = (byte) 0x1c; 41 public static final byte opc_iload_3 = (byte) 0x1d; 42 public static final byte opc_lload_0 = (byte) 0x1e; 43 public static final byte opc_lload_1 = (byte) 0x1f; 44 public static final byte opc_lload_2 = (byte) 0x20; 45 public static final byte opc_lload_3 = (byte) 0x21; 46 public static final byte opc_fload_0 = (byte) 0x22; 47 public static final byte opc_fload_1 = (byte) 0x23; 48 public static final byte opc_fload_2 = (byte) 0x24; 49 public static final byte opc_fload_3 = (byte) 0x25; 50 public static final byte opc_dload_0 = (byte) 0x26; 51 public static final byte opc_dload_1 = (byte) 0x27; 52 public static final byte opc_dload_2 = (byte) 0x28; 53 public static final byte opc_dload_3 = (byte) 0x29; 54 public static final byte opc_aload_0 = (byte) 0x2a; 55 public static final byte opc_aload_1 = (byte) 0x2b; 56 public static final byte opc_aload_2 = (byte) 0x2c; 57 public static final byte opc_aload_3 = (byte) 0x2d; 58 public static final byte opc_aaload = (byte) 0x32; 59 public static final byte opc_astore_0 = (byte) 0x4b; 60 public static final byte opc_astore_1 = (byte) 0x4c; 61 public static final byte opc_astore_2 = (byte) 0x4d; 62 public static final byte opc_astore_3 = (byte) 0x4e; 63 64 // Stack manipulation 65 public static final byte opc_pop = (byte) 0x57; 66 public static final byte opc_dup = (byte) 0x59; 67 public static final byte opc_dup_x1 = (byte) 0x5a; 68 public static final byte opc_swap = (byte) 0x5f; 69 70 // Conversions 71 public static final byte opc_i2l = (byte) 0x85; 72 public static final byte opc_i2f = (byte) 0x86; 73 public static final byte opc_i2d = (byte) 0x87; 74 public static final byte opc_l2i = (byte) 0x88; 75 public static final byte opc_l2f = (byte) 0x89; 76 public static final byte opc_l2d = (byte) 0x8a; 77 public static final byte opc_f2i = (byte) 0x8b; 78 public static final byte opc_f2l = (byte) 0x8c; 79 public static final byte opc_f2d = (byte) 0x8d; 80 public static final byte opc_d2i = (byte) 0x8e; 81 public static final byte opc_d2l = (byte) 0x8f; 82 public static final byte opc_d2f = (byte) 0x90; 83 public static final byte opc_i2b = (byte) 0x91; 84 public static final byte opc_i2c = (byte) 0x92; 85 public static final byte opc_i2s = (byte) 0x93; 86 87 // Control flow 88 public static final byte opc_ifeq = (byte) 0x99; 89 public static final byte opc_if_icmpeq = (byte) 0x9f; 90 public static final byte opc_goto = (byte) 0xa7; 91 92 // Return instructions 93 public static final byte opc_ireturn = (byte) 0xac; 94 public static final byte opc_lreturn = (byte) 0xad; 95 public static final byte opc_freturn = (byte) 0xae; 96 public static final byte opc_dreturn = (byte) 0xaf; 97 public static final byte opc_areturn = (byte) 0xb0; 98 public static final byte opc_return = (byte) 0xb1; 99 100 // Field operations 101 public static final byte opc_getstatic = (byte) 0xb2; 102 public static final byte opc_putstatic = (byte) 0xb3; 103 public static final byte opc_getfield = (byte) 0xb4; 104 public static final byte opc_putfield = (byte) 0xb5; 105 106 // Method invocations 107 public static final byte opc_invokevirtual = (byte) 0xb6; 108 public static final byte opc_invokespecial = (byte) 0xb7; 109 public static final byte opc_invokestatic = (byte) 0xb8; 110 public static final byte opc_invokeinterface = (byte) 0xb9; 111 112 // Array length 113 public static final byte opc_arraylength = (byte) 0xbe; 114 115 // New 116 public static final byte opc_new = (byte) 0xbb; 117 118 // Athrow 119 public static final byte opc_athrow = (byte) 0xbf; 120 121 // Checkcast and instanceof 122 public static final byte opc_checkcast = (byte) 0xc0; 123 public static final byte opc_instanceof = (byte) 0xc1; 124 125 // Ifnull and ifnonnull 126 public static final byte opc_ifnull = (byte) 0xc6; 127 public static final byte opc_ifnonnull = (byte) 0xc7; 128 129 // Constant pool tags 130 public static final byte CONSTANT_Class = (byte) 7; 131 public static final byte CONSTANT_Fieldref = (byte) 9; 132 public static final byte CONSTANT_Methodref = (byte) 10; 133 public static final byte CONSTANT_InterfaceMethodref = (byte) 11; 134 public static final byte CONSTANT_NameAndType = (byte) 12; 135 public static final byte CONSTANT_String = (byte) 8; 136 public static final byte CONSTANT_Utf8 = (byte) 1; 137 138 // Access flags 139 public static final short ACC_PUBLIC = (short) 0x0001; 140 } 141