/*
* 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
};