Mercurial > hg > jdk9-shenandoah > jdk
view src/java.base/share/classes/com/sun/java/util/jar/pack/Constants.java @ 12745:f068a4ffddd2
8136583: Core libraries should use blessed modifier order
Summary: Run blessed-modifier-order script (see bug)
Reviewed-by: psandoz, chegar, alanb, plevart
| author | martin |
|---|---|
| date | Tue, 15 Sep 2015 21:56:04 -0700 |
| parents | f08705540498 |
| children |
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/* * Copyright (c) 2001, 2013, 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. */ package com.sun.java.util.jar.pack; import java.util.Arrays; import java.util.List; /** * Shared constants * @author John Rose */ class Constants { private Constants(){} public static final int JAVA_MAGIC = 0xCAFEBABE; /* 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 1.7 to 1.6.x 51,0 1.8 to 1.7.x 52,0 */ public static final Package.Version JAVA_MIN_CLASS_VERSION = Package.Version.of(45, 03); public static final Package.Version JAVA5_MAX_CLASS_VERSION = Package.Version.of(49, 00); public static final Package.Version JAVA6_MAX_CLASS_VERSION = Package.Version.of(50, 00); public static final Package.Version JAVA7_MAX_CLASS_VERSION = Package.Version.of(51, 00); public static final Package.Version JAVA8_MAX_CLASS_VERSION = Package.Version.of(52, 00); public static final int JAVA_PACKAGE_MAGIC = 0xCAFED00D; public static final Package.Version JAVA5_PACKAGE_VERSION = Package.Version.of(150, 7); public static final Package.Version JAVA6_PACKAGE_VERSION = Package.Version.of(160, 1); public static final Package.Version JAVA7_PACKAGE_VERSION = Package.Version.of(170, 1); public static final Package.Version JAVA8_PACKAGE_VERSION = Package.Version.of(171, 0); // upper limit, should point to the latest class version public static final Package.Version JAVA_MAX_CLASS_VERSION = JAVA8_MAX_CLASS_VERSION; // upper limit should point to the latest package version, for version info!. public static final Package.Version MAX_PACKAGE_VERSION = JAVA7_PACKAGE_VERSION; public static final int CONSTANT_POOL_INDEX_LIMIT = 0x10000; public static final int CONSTANT_POOL_NARROW_LIMIT = 0x00100; public static final String JAVA_SIGNATURE_CHARS = "BSCIJFDZLV(["; public static final byte CONSTANT_Utf8 = 1; public static final byte CONSTANT_unused2 = 2; // unused, was Unicode public static final byte CONSTANT_Integer = 3; public static final byte CONSTANT_Float = 4; public static final byte CONSTANT_Long = 5; public static final byte CONSTANT_Double = 6; public static final byte CONSTANT_Class = 7; public static final byte CONSTANT_String = 8; public static final byte CONSTANT_Fieldref = 9; public static final byte CONSTANT_Methodref = 10; public static final byte CONSTANT_InterfaceMethodref = 11; public static final byte CONSTANT_NameandType = 12; public static final byte CONSTANT_unused13 = 13; public static final byte CONSTANT_unused14 = 14; public static final byte CONSTANT_MethodHandle = 15; public static final byte CONSTANT_MethodType = 16; public static final byte CONSTANT_unused17 = 17; // unused public static final byte CONSTANT_InvokeDynamic = 18; // pseudo-constants: public static final byte CONSTANT_None = 0; public static final byte CONSTANT_Signature = CONSTANT_unused13; public static final byte CONSTANT_BootstrapMethod = CONSTANT_unused17; // used only in InvokeDynamic constants public static final byte CONSTANT_Limit = 19; public static final byte CONSTANT_All = 50; // combined global map public static final byte CONSTANT_LoadableValue = 51; // used for 'KL' and qldc operands public static final byte CONSTANT_AnyMember = 52; // union of refs to field or (interface) method public static final byte CONSTANT_FieldSpecific = 53; // used only for 'KQ' ConstantValue attrs public static final byte CONSTANT_GroupFirst = CONSTANT_All; public static final byte CONSTANT_GroupLimit = CONSTANT_FieldSpecific+1; // CONSTANT_MethodHandle reference kinds public static final byte REF_getField = 1; public static final byte REF_getStatic = 2; public static final byte REF_putField = 3; public static final byte REF_putStatic = 4; public static final byte REF_invokeVirtual = 5; public static final byte REF_invokeStatic = 6; public static final byte REF_invokeSpecial = 7; public static final byte REF_newInvokeSpecial = 8; public static final byte REF_invokeInterface = 9; // pseudo-access bits public static final int ACC_IC_LONG_FORM = (1<<16); //for ic_flags // attribute "context types" public static final int ATTR_CONTEXT_CLASS = 0; public static final int ATTR_CONTEXT_FIELD = 1; public static final int ATTR_CONTEXT_METHOD = 2; public static final int ATTR_CONTEXT_CODE = 3; public static final int ATTR_CONTEXT_LIMIT = 4; public static final String[] ATTR_CONTEXT_NAME = { "class", "field", "method", "code" }; // predefined attr bits public static final int X_ATTR_OVERFLOW = 16, CLASS_ATTR_SourceFile = 17, METHOD_ATTR_Code = 17, FIELD_ATTR_ConstantValue = 17, CLASS_ATTR_EnclosingMethod = 18, METHOD_ATTR_Exceptions = 18, X_ATTR_Signature = 19, X_ATTR_Deprecated = 20, X_ATTR_RuntimeVisibleAnnotations = 21, X_ATTR_RuntimeInvisibleAnnotations = 22, METHOD_ATTR_RuntimeVisibleParameterAnnotations = 23, CLASS_ATTR_InnerClasses = 23, METHOD_ATTR_RuntimeInvisibleParameterAnnotations = 24, CLASS_ATTR_ClassFile_version = 24, METHOD_ATTR_AnnotationDefault = 25, METHOD_ATTR_MethodParameters = 26, // JDK8 X_ATTR_RuntimeVisibleTypeAnnotations = 27, // JDK8 X_ATTR_RuntimeInvisibleTypeAnnotations = 28, // JDK8 CODE_ATTR_StackMapTable = 0, // new in Java 6 CODE_ATTR_LineNumberTable = 1, CODE_ATTR_LocalVariableTable = 2, CODE_ATTR_LocalVariableTypeTable = 3; // File option bits, from LSB in ascending bit position. public static final int FO_DEFLATE_HINT = 1<<0; public static final int FO_IS_CLASS_STUB = 1<<1; // Archive option bits, from LSB in ascending bit position: public static final int AO_HAVE_SPECIAL_FORMATS = 1<<0; public static final int AO_HAVE_CP_NUMBERS = 1<<1; public static final int AO_HAVE_ALL_CODE_FLAGS = 1<<2; public static final int AO_HAVE_CP_EXTRAS = 1<<3; public static final int AO_HAVE_FILE_HEADERS = 1<<4; public static final int AO_DEFLATE_HINT = 1<<5; public static final int AO_HAVE_FILE_MODTIME = 1<<6; public static final int AO_HAVE_FILE_OPTIONS = 1<<7; public static final int AO_HAVE_FILE_SIZE_HI = 1<<8; public static final int AO_HAVE_CLASS_FLAGS_HI = 1<<9; public static final int AO_HAVE_FIELD_FLAGS_HI = 1<<10; public static final int AO_HAVE_METHOD_FLAGS_HI = 1<<11; public static final int AO_HAVE_CODE_FLAGS_HI = 1<<12; public static final int AO_UNUSED_MBZ = (-1)<<13; // option bits reserved for future use public static final int LG_AO_HAVE_XXX_FLAGS_HI = 9; // visitRefs modes: static final int VRM_CLASSIC = 0; static final int VRM_PACKAGE = 1; public static final int NO_MODTIME = 0; // null modtime value // some comstantly empty containers public static final int[] noInts = {}; public static final byte[] noBytes = {}; public static final Object[] noValues = {}; public static final String[] noStrings = {}; public static final List<Object> emptyList = Arrays.asList(noValues); // meta-coding public static final int _meta_default = 0, _meta_canon_min = 1, _meta_canon_max = 115, _meta_arb = 116, _meta_run = 117, _meta_pop = 141, _meta_limit = 189; // bytecodes public static final int _nop = 0, // 0x00 _aconst_null = 1, // 0x01 _iconst_m1 = 2, // 0x02 _iconst_0 = 3, // 0x03 _iconst_1 = 4, // 0x04 _iconst_2 = 5, // 0x05 _iconst_3 = 6, // 0x06 _iconst_4 = 7, // 0x07 _iconst_5 = 8, // 0x08 _lconst_0 = 9, // 0x09 _lconst_1 = 10, // 0x0a _fconst_0 = 11, // 0x0b _fconst_1 = 12, // 0x0c _fconst_2 = 13, // 0x0d _dconst_0 = 14, // 0x0e _dconst_1 = 15, // 0x0f _bipush = 16, // 0x10 _sipush = 17, // 0x11 _ldc = 18, // 0x12 _ldc_w = 19, // 0x13 _ldc2_w = 20, // 0x14 _iload = 21, // 0x15 _lload = 22, // 0x16 _fload = 23, // 0x17 _dload = 24, // 0x18 _aload = 25, // 0x19 _iload_0 = 26, // 0x1a _iload_1 = 27, // 0x1b _iload_2 = 28, // 0x1c _iload_3 = 29, // 0x1d _lload_0 = 30, // 0x1e _lload_1 = 31, // 0x1f _lload_2 = 32, // 0x20 _lload_3 = 33, // 0x21 _fload_0 = 34, // 0x22 _fload_1 = 35, // 0x23 _fload_2 = 36, // 0x24 _fload_3 = 37, // 0x25 _dload_0 = 38, // 0x26 _dload_1 = 39, // 0x27 _dload_2 = 40, // 0x28 _dload_3 = 41, // 0x29 _aload_0 = 42, // 0x2a _aload_1 = 43, // 0x2b _aload_2 = 44, // 0x2c _aload_3 = 45, // 0x2d _iaload = 46, // 0x2e _laload = 47, // 0x2f _faload = 48, // 0x30 _daload = 49, // 0x31 _aaload = 50, // 0x32 _baload = 51, // 0x33 _caload = 52, // 0x34 _saload = 53, // 0x35 _istore = 54, // 0x36 _lstore = 55, // 0x37 _fstore = 56, // 0x38 _dstore = 57, // 0x39 _astore = 58, // 0x3a _istore_0 = 59, // 0x3b _istore_1 = 60, // 0x3c _istore_2 = 61, // 0x3d _istore_3 = 62, // 0x3e _lstore_0 = 63, // 0x3f _lstore_1 = 64, // 0x40 _lstore_2 = 65, // 0x41 _lstore_3 = 66, // 0x42 _fstore_0 = 67, // 0x43 _fstore_1 = 68, // 0x44 _fstore_2 = 69, // 0x45 _fstore_3 = 70, // 0x46 _dstore_0 = 71, // 0x47 _dstore_1 = 72, // 0x48 _dstore_2 = 73, // 0x49 _dstore_3 = 74, // 0x4a _astore_0 = 75, // 0x4b _astore_1 = 76, // 0x4c _astore_2 = 77, // 0x4d _astore_3 = 78, // 0x4e _iastore = 79, // 0x4f _lastore = 80, // 0x50 _fastore = 81, // 0x51 _dastore = 82, // 0x52 _aastore = 83, // 0x53 _bastore = 84, // 0x54 _castore = 85, // 0x55 _sastore = 86, // 0x56 _pop = 87, // 0x57 _pop2 = 88, // 0x58 _dup = 89, // 0x59 _dup_x1 = 90, // 0x5a _dup_x2 = 91, // 0x5b _dup2 = 92, // 0x5c _dup2_x1 = 93, // 0x5d _dup2_x2 = 94, // 0x5e _swap = 95, // 0x5f _iadd = 96, // 0x60 _ladd = 97, // 0x61 _fadd = 98, // 0x62 _dadd = 99, // 0x63 _isub = 100, // 0x64 _lsub = 101, // 0x65 _fsub = 102, // 0x66 _dsub = 103, // 0x67 _imul = 104, // 0x68 _lmul = 105, // 0x69 _fmul = 106, // 0x6a _dmul = 107, // 0x6b _idiv = 108, // 0x6c _ldiv = 109, // 0x6d _fdiv = 110, // 0x6e _ddiv = 111, // 0x6f _irem = 112, // 0x70 _lrem = 113, // 0x71 _frem = 114, // 0x72 _drem = 115, // 0x73 _ineg = 116, // 0x74 _lneg = 117, // 0x75 _fneg = 118, // 0x76 _dneg = 119, // 0x77 _ishl = 120, // 0x78 _lshl = 121, // 0x79 _ishr = 122, // 0x7a _lshr = 123, // 0x7b _iushr = 124, // 0x7c _lushr = 125, // 0x7d _iand = 126, // 0x7e _land = 127, // 0x7f _ior = 128, // 0x80 _lor = 129, // 0x81 _ixor = 130, // 0x82 _lxor = 131, // 0x83 _iinc = 132, // 0x84 _i2l = 133, // 0x85 _i2f = 134, // 0x86 _i2d = 135, // 0x87 _l2i = 136, // 0x88 _l2f = 137, // 0x89 _l2d = 138, // 0x8a _f2i = 139, // 0x8b _f2l = 140, // 0x8c _f2d = 141, // 0x8d _d2i = 142, // 0x8e _d2l = 143, // 0x8f _d2f = 144, // 0x90 _i2b = 145, // 0x91 _i2c = 146, // 0x92 _i2s = 147, // 0x93 _lcmp = 148, // 0x94 _fcmpl = 149, // 0x95 _fcmpg = 150, // 0x96 _dcmpl = 151, // 0x97 _dcmpg = 152, // 0x98 _ifeq = 153, // 0x99 _ifne = 154, // 0x9a _iflt = 155, // 0x9b _ifge = 156, // 0x9c _ifgt = 157, // 0x9d _ifle = 158, // 0x9e _if_icmpeq = 159, // 0x9f _if_icmpne = 160, // 0xa0 _if_icmplt = 161, // 0xa1 _if_icmpge = 162, // 0xa2 _if_icmpgt = 163, // 0xa3 _if_icmple = 164, // 0xa4 _if_acmpeq = 165, // 0xa5 _if_acmpne = 166, // 0xa6 _goto = 167, // 0xa7 _jsr = 168, // 0xa8 _ret = 169, // 0xa9 _tableswitch = 170, // 0xaa _lookupswitch = 171, // 0xab _ireturn = 172, // 0xac _lreturn = 173, // 0xad _freturn = 174, // 0xae _dreturn = 175, // 0xaf _areturn = 176, // 0xb0 _return = 177, // 0xb1 _getstatic = 178, // 0xb2 _putstatic = 179, // 0xb3 _getfield = 180, // 0xb4 _putfield = 181, // 0xb5 _invokevirtual = 182, // 0xb6 _invokespecial = 183, // 0xb7 _invokestatic = 184, // 0xb8 _invokeinterface = 185, // 0xb9 _invokedynamic = 186, // 0xba _new = 187, // 0xbb _newarray = 188, // 0xbc _anewarray = 189, // 0xbd _arraylength = 190, // 0xbe _athrow = 191, // 0xbf _checkcast = 192, // 0xc0 _instanceof = 193, // 0xc1 _monitorenter = 194, // 0xc2 _monitorexit = 195, // 0xc3 _wide = 196, // 0xc4 _multianewarray = 197, // 0xc5 _ifnull = 198, // 0xc6 _ifnonnull = 199, // 0xc7 _goto_w = 200, // 0xc8 _jsr_w = 201, // 0xc9 _bytecode_limit = 202; // 0xca // End marker, used to terminate bytecode sequences: public static final int _end_marker = 255; // Escapes: public static final int _byte_escape = 254; public static final int _ref_escape = 253; // Self-relative pseudo-opcodes for better compression. // A "linker op" is a bytecode which links to a class member. // (But in what follows, "invokeinterface" ops are excluded.) // // A "self linker op" is a variant bytecode which works only // with the current class or its super. Because the number of // possible targets is small, it admits a more compact encoding. // Self linker ops are allowed to absorb a previous "aload_0" op. // There are (7 * 4) self linker ops (super or not, aload_0 or not). // // For simplicity, we define the full symmetric set of variants. // However, some of them are relatively useless. // Self linker ops are enabled by Pack.selfCallVariants (true). public static final int _first_linker_op = _getstatic; public static final int _last_linker_op = _invokestatic; public static final int _num_linker_ops = (_last_linker_op - _first_linker_op) + 1; public static final int _self_linker_op = _bytecode_limit; public static final int _self_linker_aload_flag = 1*_num_linker_ops; public static final int _self_linker_super_flag = 2*_num_linker_ops; public static final int _self_linker_limit = _self_linker_op + 4*_num_linker_ops; // An "invoke init" op is a variant of invokespecial which works // only with the method name "<init>". There are variants which // link to the current class, the super class, or the class of the // immediately previous "newinstance" op. There are 3 of these ops. // They all take method signature references as operands. // Invoke init ops are enabled by Pack.initCallVariants (true). public static final int _invokeinit_op = _self_linker_limit; public static final int _invokeinit_self_option = 0; public static final int _invokeinit_super_option = 1; public static final int _invokeinit_new_option = 2; public static final int _invokeinit_limit = _invokeinit_op+3; public static final int _pseudo_instruction_limit = _invokeinit_limit; // linker variant limit == 202+(7*4)+3 == 233 // Ldc variants support strongly typed references to constants. // This lets us index constant pool entries completely according to tag, // which is a great simplification. // Ldc variants gain us only 0.007% improvement in compression ratio, // but they simplify the file format greatly. public static final int _xldc_op = _invokeinit_limit; public static final int _sldc = _ldc; // previously named _aldc public static final int _cldc = _xldc_op+0; public static final int _ildc = _xldc_op+1; public static final int _fldc = _xldc_op+2; public static final int _sldc_w = _ldc_w; // previously named _aldc_w public static final int _cldc_w = _xldc_op+3; public static final int _ildc_w = _xldc_op+4; public static final int _fldc_w = _xldc_op+5; public static final int _lldc2_w = _ldc2_w; public static final int _dldc2_w = _xldc_op+6; // anything other than primitive, string, or class must be handled with qldc: public static final int _qldc = _xldc_op+7; public static final int _qldc_w = _xldc_op+8; public static final int _xldc_limit = _xldc_op+9; // handling of InterfaceMethodRef public static final int _invoke_int_op = _xldc_limit; public static final int _invokespecial_int = _invoke_int_op+0; public static final int _invokestatic_int = _invoke_int_op+1; public static final int _invoke_int_limit = _invoke_int_op+2; }