/* * Copyright (c) 2001, 2005, 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. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * 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. */ /* Java Class Version numbers history 1.0 to 1.3.X 45,3 1.4 to 1.4.X 46,0 1.5 to 1.5.X 49,0 1.6 to 1.5.x 50,0 NOTE Assumed for now */ // classfile constants #define JAVA_MAGIC 0xCAFEBABE #define JAVA_MIN_MAJOR_VERSION 45 #define JAVA_MIN_MINOR_VERSION 3 #define JAVA5_MAX_MAJOR_VERSION 49 #define JAVA5_MAX_MINOR_VERSION 0 // NOTE: Assume for now #define JAVA6_MAX_MAJOR_VERSION 50 #define JAVA6_MAX_MINOR_VERSION 0 // package file constants #define JAVA_PACKAGE_MAGIC 0xCAFED00D #define JAVA5_PACKAGE_MAJOR_VERSION 150 #define JAVA5_PACKAGE_MINOR_VERSION 7 #define JAVA6_PACKAGE_MAJOR_VERSION 160 #define JAVA6_PACKAGE_MINOR_VERSION 1 // magic number for gzip streams (for processing pack200-gzip data) #define GZIP_MAGIC 0x1F8B0800 #define GZIP_MAGIC_MASK 0xFFFFFF00 // last \bchar\b is variable "flg" field enum { CONSTANT_None, CONSTANT_Utf8, CONSTANT_unused2, /* unused, was Unicode */ CONSTANT_Integer, CONSTANT_Float, CONSTANT_Long, CONSTANT_Double, CONSTANT_Class, CONSTANT_String, CONSTANT_Fieldref, CONSTANT_Methodref, CONSTANT_InterfaceMethodref, CONSTANT_NameandType, CONSTANT_Signature = 13, CONSTANT_All = 14, CONSTANT_Limit = 15, CONSTANT_NONE = 0, CONSTANT_Literal = 20, // pseudo-tag for debugging CONSTANT_Member = 21, // pseudo-tag for debugging SUBINDEX_BIT = 64, // combined with CONSTANT_xxx for ixTag ACC_STATIC = 0x0008, ACC_IC_LONG_FORM = (1 << 16), // for ic_flags CLASS_ATTR_SourceFile = 17, CLASS_ATTR_EnclosingMethod = 18, CLASS_ATTR_InnerClasses = 23, CLASS_ATTR_ClassFile_version = 24, FIELD_ATTR_ConstantValue = 17, METHOD_ATTR_Code = 17, METHOD_ATTR_Exceptions = 18, METHOD_ATTR_RuntimeVisibleParameterAnnotations = 23, METHOD_ATTR_RuntimeInvisibleParameterAnnotations = 24, METHOD_ATTR_AnnotationDefault = 25, CODE_ATTR_StackMapTable = 0, CODE_ATTR_LineNumberTable = 1, CODE_ATTR_LocalVariableTable = 2, CODE_ATTR_LocalVariableTypeTable = 3, // X_ATTR_Synthetic = 12, // ACC_SYNTHETIC; not predefined X_ATTR_Signature = 19, X_ATTR_Deprecated = 20, X_ATTR_RuntimeVisibleAnnotations = 21, X_ATTR_RuntimeInvisibleAnnotations = 22, X_ATTR_OVERFLOW = 16, X_ATTR_LIMIT_NO_FLAGS_HI = 32, X_ATTR_LIMIT_FLAGS_HI = 63, #define O_ATTR_DO(F) \ F(X_ATTR_OVERFLOW, 01) \ /*(end)*/ #define X_ATTR_DO(F) \ O_ATTR_DO(F) F(X_ATTR_Signature, Signature) F(X_ATTR_Deprecated, Deprecated) \ F(X_ATTR_RuntimeVisibleAnnotations, RuntimeVisibleAnnotations) \ F(X_ATTR_RuntimeInvisibleAnnotations, RuntimeInvisibleAnnotations) \ /*F(X_ATTR_Synthetic,Synthetic)*/ \ /*(end)*/ #define CLASS_ATTR_DO(F) \ F(CLASS_ATTR_SourceFile, SourceFile) F(CLASS_ATTR_InnerClasses, InnerClasses) \ F(CLASS_ATTR_EnclosingMethod, EnclosingMethod) F(CLASS_ATTR_ClassFile_version, 02) \ /*(end)*/ #define FIELD_ATTR_DO(F) \ F(FIELD_ATTR_ConstantValue, ConstantValue) \ /*(end)*/ #define METHOD_ATTR_DO(F) \ F(METHOD_ATTR_Code, Code) F(METHOD_ATTR_Exceptions, Exceptions) \ F(METHOD_ATTR_RuntimeVisibleParameterAnnotations, RuntimeVisibleParameterAnnotations) \ F(METHOD_ATTR_RuntimeInvisibleParameterAnnotations, \ RuntimeInvisibleParameterAnnotations) \ F(METHOD_ATTR_AnnotationDefault, AnnotationDefault) \ /*(end)*/ #define CODE_ATTR_DO(F) \ F(CODE_ATTR_StackMapTable, StackMapTable) F(CODE_ATTR_LineNumberTable, LineNumberTable) \ F(CODE_ATTR_LocalVariableTable, LocalVariableTable) \ F(CODE_ATTR_LocalVariableTypeTable, LocalVariableTypeTable) \ /*(end)*/ #define ALL_ATTR_DO(F) \ X_ATTR_DO(F) CLASS_ATTR_DO(F) FIELD_ATTR_DO(F) METHOD_ATTR_DO(F) CODE_ATTR_DO(F) \ /*(end)*/ // attribute "context types" ATTR_CONTEXT_CLASS = 0, ATTR_CONTEXT_FIELD = 1, ATTR_CONTEXT_METHOD = 2, ATTR_CONTEXT_CODE = 3, ATTR_CONTEXT_LIMIT = 4, // constants for parsed layouts (stored in band::le_kind) EK_NONE = 0, // not a layout element EK_INT = 'I', // B H I SH etc., also FH etc. EK_BCI = 'P', // PH etc. EK_BCID = 'Q', // POH etc. EK_BCO = 'O', // OH etc. EK_REPL = 'N', // NH[...] etc. EK_REF = 'R', // RUH, RUNH, KQH, etc. EK_UN = 'T', // TB(...)[...] etc. EK_CASE = 'K', // (...)[...] etc. EK_CALL = '(', // (0), (1), etc. EK_CBLE = '[', // [...][...] etc. NO_BAND_INDEX = -1, // File option bits, from LSB in ascending bit position. FO_DEFLATE_HINT = 1 << 0, FO_IS_CLASS_STUB = 1 << 1, // Archive option bits, from LSB in ascending bit position: AO_HAVE_SPECIAL_FORMATS = 1 << 0, AO_HAVE_CP_NUMBERS = 1 << 1, AO_HAVE_ALL_CODE_FLAGS = 1 << 2, AO_3_UNUSED_MBZ = 1 << 3, AO_HAVE_FILE_HEADERS = 1 << 4, AO_DEFLATE_HINT = 1 << 5, AO_HAVE_FILE_MODTIME = 1 << 6, AO_HAVE_FILE_OPTIONS = 1 << 7, AO_HAVE_FILE_SIZE_HI = 1 << 8, AO_HAVE_CLASS_FLAGS_HI = 1 << 9, AO_HAVE_FIELD_FLAGS_HI = 1 << 10, AO_HAVE_METHOD_FLAGS_HI = 1 << 11, AO_HAVE_CODE_FLAGS_HI = 1 << 12, #define ARCHIVE_BIT_DO(F) \ F(AO_HAVE_SPECIAL_FORMATS) F(AO_HAVE_CP_NUMBERS) F(AO_HAVE_ALL_CODE_FLAGS) \ /*F(AO_3_UNUSED_MBZ)*/ \ F(AO_HAVE_FILE_HEADERS) F(AO_DEFLATE_HINT) F(AO_HAVE_FILE_MODTIME) \ F(AO_HAVE_FILE_OPTIONS) F(AO_HAVE_FILE_SIZE_HI) F(AO_HAVE_CLASS_FLAGS_HI) \ F(AO_HAVE_FIELD_FLAGS_HI) F(AO_HAVE_METHOD_FLAGS_HI) F(AO_HAVE_CODE_FLAGS_HI) \ /*(end)*/ // Constants for decoding attribute definition header bytes. ADH_CONTEXT_MASK = 0x3, // (hdr & ADH_CONTEXT_MASK) ADH_BIT_SHIFT = 0x2, // (hdr >> ADH_BIT_SHIFT) ADH_BIT_IS_LSB = 1, // (hdr >> ADH_BIT_SHIFT) - ADH_BIT_IS_LSB #define ADH_BYTE(context, index) ((((index) + ADH_BIT_IS_LSB) << ADH_BIT_SHIFT) + (context)) #define ADH_BYTE_CONTEXT(adhb) ((adhb) & ADH_CONTEXT_MASK) #define ADH_BYTE_INDEX(adhb) (((adhb) >> ADH_BIT_SHIFT) - ADH_BIT_IS_LSB) NO_MODTIME = 0, // nullptr modtime value // meta-coding _meta_default = 0, _meta_canon_min = 1, _meta_canon_max = 115, _meta_arb = 116, _meta_run = 117, _meta_pop = 141, _meta_limit = 189, _meta_error = 255, _xxx_1_end }; // Bytecodes. enum { bc_nop = 0, // 0x00 bc_aconst_null = 1, // 0x01 bc_iconst_m1 = 2, // 0x02 bc_iconst_0 = 3, // 0x03 bc_iconst_1 = 4, // 0x04 bc_iconst_2 = 5, // 0x05 bc_iconst_3 = 6, // 0x06 bc_iconst_4 = 7, // 0x07 bc_iconst_5 = 8, // 0x08 bc_lconst_0 = 9, // 0x09 bc_lconst_1 = 10, // 0x0a bc_fconst_0 = 11, // 0x0b bc_fconst_1 = 12, // 0x0c bc_fconst_2 = 13, // 0x0d bc_dconst_0 = 14, // 0x0e bc_dconst_1 = 15, // 0x0f bc_bipush = 16, // 0x10 bc_sipush = 17, // 0x11 bc_ldc = 18, // 0x12 bc_ldc_w = 19, // 0x13 bc_ldc2_w = 20, // 0x14 bc_iload = 21, // 0x15 bc_lload = 22, // 0x16 bc_fload = 23, // 0x17 bc_dload = 24, // 0x18 bc_aload = 25, // 0x19 bc_iload_0 = 26, // 0x1a bc_iload_1 = 27, // 0x1b bc_iload_2 = 28, // 0x1c bc_iload_3 = 29, // 0x1d bc_lload_0 = 30, // 0x1e bc_lload_1 = 31, // 0x1f bc_lload_2 = 32, // 0x20 bc_lload_3 = 33, // 0x21 bc_fload_0 = 34, // 0x22 bc_fload_1 = 35, // 0x23 bc_fload_2 = 36, // 0x24 bc_fload_3 = 37, // 0x25 bc_dload_0 = 38, // 0x26 bc_dload_1 = 39, // 0x27 bc_dload_2 = 40, // 0x28 bc_dload_3 = 41, // 0x29 bc_aload_0 = 42, // 0x2a bc_aload_1 = 43, // 0x2b bc_aload_2 = 44, // 0x2c bc_aload_3 = 45, // 0x2d bc_iaload = 46, // 0x2e bc_laload = 47, // 0x2f bc_faload = 48, // 0x30 bc_daload = 49, // 0x31 bc_aaload = 50, // 0x32 bc_baload = 51, // 0x33 bc_caload = 52, // 0x34 bc_saload = 53, // 0x35 bc_istore = 54, // 0x36 bc_lstore = 55, // 0x37 bc_fstore = 56, // 0x38 bc_dstore = 57, // 0x39 bc_astore = 58, // 0x3a bc_istore_0 = 59, // 0x3b bc_istore_1 = 60, // 0x3c bc_istore_2 = 61, // 0x3d bc_istore_3 = 62, // 0x3e bc_lstore_0 = 63, // 0x3f bc_lstore_1 = 64, // 0x40 bc_lstore_2 = 65, // 0x41 bc_lstore_3 = 66, // 0x42 bc_fstore_0 = 67, // 0x43 bc_fstore_1 = 68, // 0x44 bc_fstore_2 = 69, // 0x45 bc_fstore_3 = 70, // 0x46 bc_dstore_0 = 71, // 0x47 bc_dstore_1 = 72, // 0x48 bc_dstore_2 = 73, // 0x49 bc_dstore_3 = 74, // 0x4a bc_astore_0 = 75, // 0x4b bc_astore_1 = 76, // 0x4c bc_astore_2 = 77, // 0x4d bc_astore_3 = 78, // 0x4e bc_iastore = 79, // 0x4f bc_lastore = 80, // 0x50 bc_fastore = 81, // 0x51 bc_dastore = 82, // 0x52 bc_aastore = 83, // 0x53 bc_bastore = 84, // 0x54 bc_castore = 85, // 0x55 bc_sastore = 86, // 0x56 bc_pop = 87, // 0x57 bc_pop2 = 88, // 0x58 bc_dup = 89, // 0x59 bc_dup_x1 = 90, // 0x5a bc_dup_x2 = 91, // 0x5b bc_dup2 = 92, // 0x5c bc_dup2_x1 = 93, // 0x5d bc_dup2_x2 = 94, // 0x5e bc_swap = 95, // 0x5f bc_iadd = 96, // 0x60 bc_ladd = 97, // 0x61 bc_fadd = 98, // 0x62 bc_dadd = 99, // 0x63 bc_isub = 100, // 0x64 bc_lsub = 101, // 0x65 bc_fsub = 102, // 0x66 bc_dsub = 103, // 0x67 bc_imul = 104, // 0x68 bc_lmul = 105, // 0x69 bc_fmul = 106, // 0x6a bc_dmul = 107, // 0x6b bc_idiv = 108, // 0x6c bc_ldiv = 109, // 0x6d bc_fdiv = 110, // 0x6e bc_ddiv = 111, // 0x6f bc_irem = 112, // 0x70 bc_lrem = 113, // 0x71 bc_frem = 114, // 0x72 bc_drem = 115, // 0x73 bc_ineg = 116, // 0x74 bc_lneg = 117, // 0x75 bc_fneg = 118, // 0x76 bc_dneg = 119, // 0x77 bc_ishl = 120, // 0x78 bc_lshl = 121, // 0x79 bc_ishr = 122, // 0x7a bc_lshr = 123, // 0x7b bc_iushr = 124, // 0x7c bc_lushr = 125, // 0x7d bc_iand = 126, // 0x7e bc_land = 127, // 0x7f bc_ior = 128, // 0x80 bc_lor = 129, // 0x81 bc_ixor = 130, // 0x82 bc_lxor = 131, // 0x83 bc_iinc = 132, // 0x84 bc_i2l = 133, // 0x85 bc_i2f = 134, // 0x86 bc_i2d = 135, // 0x87 bc_l2i = 136, // 0x88 bc_l2f = 137, // 0x89 bc_l2d = 138, // 0x8a bc_f2i = 139, // 0x8b bc_f2l = 140, // 0x8c bc_f2d = 141, // 0x8d bc_d2i = 142, // 0x8e bc_d2l = 143, // 0x8f bc_d2f = 144, // 0x90 bc_i2b = 145, // 0x91 bc_i2c = 146, // 0x92 bc_i2s = 147, // 0x93 bc_lcmp = 148, // 0x94 bc_fcmpl = 149, // 0x95 bc_fcmpg = 150, // 0x96 bc_dcmpl = 151, // 0x97 bc_dcmpg = 152, // 0x98 bc_ifeq = 153, // 0x99 bc_ifne = 154, // 0x9a bc_iflt = 155, // 0x9b bc_ifge = 156, // 0x9c bc_ifgt = 157, // 0x9d bc_ifle = 158, // 0x9e bc_if_icmpeq = 159, // 0x9f bc_if_icmpne = 160, // 0xa0 bc_if_icmplt = 161, // 0xa1 bc_if_icmpge = 162, // 0xa2 bc_if_icmpgt = 163, // 0xa3 bc_if_icmple = 164, // 0xa4 bc_if_acmpeq = 165, // 0xa5 bc_if_acmpne = 166, // 0xa6 bc_goto = 167, // 0xa7 bc_jsr = 168, // 0xa8 bc_ret = 169, // 0xa9 bc_tableswitch = 170, // 0xaa bc_lookupswitch = 171, // 0xab bc_ireturn = 172, // 0xac bc_lreturn = 173, // 0xad bc_freturn = 174, // 0xae bc_dreturn = 175, // 0xaf bc_areturn = 176, // 0xb0 bc_return = 177, // 0xb1 bc_getstatic = 178, // 0xb2 bc_putstatic = 179, // 0xb3 bc_getfield = 180, // 0xb4 bc_putfield = 181, // 0xb5 bc_invokevirtual = 182, // 0xb6 bc_invokespecial = 183, // 0xb7 bc_invokestatic = 184, // 0xb8 bc_invokeinterface = 185, // 0xb9 bc_xxxunusedxxx = 186, // 0xba bc_new = 187, // 0xbb bc_newarray = 188, // 0xbc bc_anewarray = 189, // 0xbd bc_arraylength = 190, // 0xbe bc_athrow = 191, // 0xbf bc_checkcast = 192, // 0xc0 bc_instanceof = 193, // 0xc1 bc_monitorenter = 194, // 0xc2 bc_monitorexit = 195, // 0xc3 bc_wide = 196, // 0xc4 bc_multianewarray = 197, // 0xc5 bc_ifnull = 198, // 0xc6 bc_ifnonnull = 199, // 0xc7 bc_goto_w = 200, // 0xc8 bc_jsr_w = 201, // 0xc9 bc_bytecode_limit = 202 // 0xca }; enum { bc_end_marker = 255, bc_byte_escape = 254, bc_ref_escape = 253, _first_linker_op = bc_getstatic, _last_linker_op = bc_invokestatic, _num_linker_ops = (_last_linker_op - _first_linker_op) + 1, _self_linker_op = bc_bytecode_limit, _self_linker_aload_flag = 1 * _num_linker_ops, _self_linker_super_flag = 2 * _num_linker_ops, _self_linker_limit = _self_linker_op + 4 * _num_linker_ops, _invokeinit_op = _self_linker_limit, _invokeinit_self_option = 0, _invokeinit_super_option = 1, _invokeinit_new_option = 2, _invokeinit_limit = _invokeinit_op + 3, _xldc_op = _invokeinit_limit, bc_aldc = bc_ldc, bc_cldc = _xldc_op + 0, bc_ildc = _xldc_op + 1, bc_fldc = _xldc_op + 2, bc_aldc_w = bc_ldc_w, bc_cldc_w = _xldc_op + 3, bc_ildc_w = _xldc_op + 4, bc_fldc_w = _xldc_op + 5, bc_lldc2_w = bc_ldc2_w, bc_dldc2_w = _xldc_op + 6, _xldc_limit = _xldc_op + 7, _xxx_3_end };