Java example source code file (constants.h)
The constants.h Java example source code/*
* 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
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*/
/*
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
#define JAVA6_MAX_MAJOR_VERSION 50
#define JAVA6_MAX_MINOR_VERSION 0
#define JAVA7_MAX_MAJOR_VERSION 51
#define JAVA7_MAX_MINOR_VERSION 0
#define JAVA8_MAX_MAJOR_VERSION 52
#define JAVA8_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
#define JAVA7_PACKAGE_MAJOR_VERSION 170
#define JAVA7_PACKAGE_MINOR_VERSION 1
#define JAVA8_PACKAGE_MAJOR_VERSION 171
#define JAVA8_PACKAGE_MINOR_VERSION 0
// magic number for gzip streams (for processing pack200-gzip data)
#define GZIP_MAGIC 0x1F8B0800
#define GZIP_MAGIC_MASK 0xFFFFFF00 // last byte is variable "flg" field
enum {
CONSTANT_None = 0,
CONSTANT_Utf8 = 1,
CONSTANT_unused = 2, /* unused, was Unicode */
CONSTANT_Integer = 3,
CONSTANT_Float = 4,
CONSTANT_Long = 5,
CONSTANT_Double = 6,
CONSTANT_Class = 7,
CONSTANT_String = 8,
CONSTANT_Fieldref = 9,
CONSTANT_Methodref = 10,
CONSTANT_InterfaceMethodref = 11,
CONSTANT_NameandType = 12,
CONSTANT_unused13 = 13,
CONSTANT_unused14 = 14,
CONSTANT_MethodHandle = 15,
CONSTANT_MethodType = 16,
CONSTANT_unused17 = 17,
CONSTANT_InvokeDynamic = 18,
CONSTANT_Limit = 19,
CONSTANT_Signature = CONSTANT_unused13,
CONSTANT_BootstrapMethod = CONSTANT_unused17, // used only for InvokeDynamic
CONSTANT_All = 50, // combined global map
CONSTANT_LoadableValue = 51, // used for 'KL' and qldc operands
CONSTANT_AnyMember = 52, // union of refs to field or (interface) method
CONSTANT_FieldSpecific = 53, // used only for 'KQ' ConstantValue attrs
CONSTANT_GroupFirst = CONSTANT_All, // start group marker
CONSTANT_GroupLimit = 54, // end group marker
// CONSTANT_MethodHandle reference kinds
REF_getField = 1,
REF_getStatic = 2,
REF_putField = 3,
REF_putStatic = 4,
REF_invokeVirtual = 5,
REF_invokeStatic = 6,
REF_invokeSpecial = 7,
REF_newInvokeSpecial = 8,
REF_invokeInterface = 9,
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,
CLASS_ATTR_BootstrapMethods = 25,
FIELD_ATTR_ConstantValue = 17,
METHOD_ATTR_Code = 17,
METHOD_ATTR_Exceptions = 18,
METHOD_ATTR_RuntimeVisibleParameterAnnotations = 23,
METHOD_ATTR_RuntimeInvisibleParameterAnnotations = 24,
METHOD_ATTR_AnnotationDefault = 25,
METHOD_ATTR_MethodParameters = 26,
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_RuntimeVisibleTypeAnnotations = 27,
X_ATTR_RuntimeInvisibleTypeAnnotations = 28,
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_RuntimeVisibleTypeAnnotations,RuntimeVisibleTypeAnnotations) \
F(X_ATTR_RuntimeInvisibleTypeAnnotations,RuntimeInvisibleTypeAnnotations) \
/*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) \
F(CLASS_ATTR_BootstrapMethods,BootstrapMethods) \
/*(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) \
F(METHOD_ATTR_MethodParameters,MethodParameters) \
/*(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_HAVE_CP_EXTRAS = 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,
AO_UNUSED_MBZ = (-1)<<13, // options bits reserved for future use.
#define ARCHIVE_BIT_DO(F) \
F(AO_HAVE_SPECIAL_FORMATS) \
F(AO_HAVE_CP_NUMBERS) \
F(AO_HAVE_ALL_CODE_FLAGS) \
F(AO_HAVE_CP_EXTRAS) \
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)<
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