1 /* src/vm/global.h - global definitions
3 Copyright (C) 1996-2005, 2006 R. Grafl, A. Krall, C. Kruegel,
4 C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
5 E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
6 J. Wenninger, Institut f. Computersprachen - TU Wien
8 This file is part of CACAO.
10 This program is free software; you can redistribute it and/or
11 modify it under the terms of the GNU General Public License as
12 published by the Free Software Foundation; either version 2, or (at
13 your option) any later version.
15 This program is distributed in the hope that it will be useful, but
16 WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
25 Contact: cacao@cacaojvm.org
27 Authors: Reinhard Grafl
36 $Id: global.h 4728 2006-04-04 09:17:05Z twisti $
48 /* additional data types ******************************************************/
50 typedef void *voidptr; /* generic pointer */
51 typedef void (*functionptr) (void); /* generic function pointer */
52 typedef u1* methodptr;
54 typedef int bool; /* boolean data type */
60 /* immediate data union */
73 /* forward typedefs ***********************************************************/
75 typedef struct java_objectheader java_objectheader;
76 typedef struct java_objectarray java_objectarray;
79 /* define some CACAO paths ****************************************************/
81 #if defined(ENABLE_ZLIB)
82 # define CACAO_VM_ZIP_PATH CACAO_PREFIX "/share/cacao/" VM_ZIP_STRING
84 # define CACAO_VM_ZIP_PATH CACAO_PREFIX "/share/cacao/"
87 #define CLASSPATH_GLIBJ_ZIP_PATH CLASSPATH_PREFIX "/share/classpath/" GLIBJ_ZIP_STRING
88 #define CLASSPATH_LIBRARY_PATH CLASSPATH_LIBDIR "/classpath"
92 * ENABLE_VERIFIER activates bytecode verification and other checks
94 #define ENABLE_VERIFIER
96 /* if we have threads disabled this one is not defined ************************/
98 #if !defined(USE_THREADS)
99 #define THREADSPECIFIC
103 #define MAX_ALIGN 8 /* most generic alignment for JavaVM values */
106 /* basic data types ***********************************************************/
108 /* CAUTION: jit/jit.h relies on these numerical values! */
109 #define TYPE_INT 0 /* the JavaVM types must numbered in the */
110 #define TYPE_LONG 1 /* same order as the ICMD_Ixxx to ICMD_Axxx */
111 #define TYPE_FLOAT 2 /* instructions (LOAD and STORE) */
112 #define TYPE_DOUBLE 3 /* integer, long, float, double, address */
113 #define TYPE_ADDRESS 4 /* all other types can be numbered arbitrarly */
117 /* primitive data types *******************************************************/
119 /* These values are used in parsed descriptors and in some other
120 places were the different types handled internally as TYPE_INT have
121 to be distinguished. */
123 #define PRIMITIVETYPE_COUNT 11 /* number of primitive types (+ dummies) */
125 /* CAUTION: Don't change the numerical values! These constants are
126 used as indices into the primitive type table. */
128 #define PRIMITIVETYPE_INT TYPE_INT
129 #define PRIMITIVETYPE_LONG TYPE_LONG
130 #define PRIMITIVETYPE_FLOAT TYPE_FLOAT
131 #define PRIMITIVETYPE_DOUBLE TYPE_DOUBLE
132 #define PRIMITIVETYPE_DUMMY1 TYPE_ADR /* not used! */
133 #define PRIMITIVETYPE_BYTE 5
134 #define PRIMITIVETYPE_CHAR 6
135 #define PRIMITIVETYPE_SHORT 7
136 #define PRIMITIVETYPE_BOOLEAN 8
137 #define PRIMITIVETYPE_DUMMY2 9 /* not used! */
138 #define PRIMITIVETYPE_VOID TYPE_VOID
140 /* some Java related defines **************************************************/
142 #define JAVA_VERSION "1.4.2" /* this version is supported by CACAO */
143 #define CLASS_VERSION "49.0"
146 /* Java class file constants **************************************************/
148 #define MAGIC 0xCAFEBABE
149 #define MAJOR_VERSION 49
150 #define MINOR_VERSION 0
153 /* Constant pool tags *********************************************************/
155 #define CONSTANT_Class 7
156 #define CONSTANT_Fieldref 9
157 #define CONSTANT_Methodref 10
158 #define CONSTANT_InterfaceMethodref 11
159 #define CONSTANT_String 8
160 #define CONSTANT_Integer 3
161 #define CONSTANT_Float 4
162 #define CONSTANT_Long 5
163 #define CONSTANT_Double 6
164 #define CONSTANT_NameAndType 12
165 #define CONSTANT_Utf8 1
167 #define CONSTANT_UNUSED 0
170 /* Class/Field/Method access and property flags *******************************/
172 #define ACC_UNDEF -1 /* used internally */
173 #define ACC_NONE 0 /* used internally */
175 #define ACC_PUBLIC 0x0001
176 #define ACC_PRIVATE 0x0002
177 #define ACC_PROTECTED 0x0004
178 #define ACC_STATIC 0x0008
179 #define ACC_FINAL 0x0010
180 #define ACC_SUPER 0x0020
181 #define ACC_SYNCHRONIZED 0x0020
182 #define ACC_VOLATILE 0x0040
183 #define ACC_BRIDGE 0x0040
184 #define ACC_TRANSIENT 0x0080
185 #define ACC_VARARGS 0x0080
186 #define ACC_NATIVE 0x0100
187 #define ACC_INTERFACE 0x0200
188 #define ACC_ABSTRACT 0x0400
189 #define ACC_STRICT 0x0800
190 #define ACC_SYNTHETIC 0x1000
191 #define ACC_ANNOTATION 0x2000
192 #define ACC_ENUM 0x4000
193 #define ACC_MIRANDA 0x8000
196 /* data structures of the runtime system **************************************/
198 /* java_objectheader ***********************************************************
200 All objects (and arrays) which resides on the heap need the
201 following header at the beginning of the data structure.
203 *******************************************************************************/
205 struct java_objectheader { /* header for all objects */
206 struct _vftbl *vftbl; /* pointer to virtual function table */
207 #if defined(USE_THREADS) && defined(NATIVE_THREADS)
213 /* arrays **********************************************************************
215 All arrays are objects (they need the object header with a pointer
216 to a vftbl (array class table). There is one class for each array
217 type. The array type is described by an arraydescriptor struct
218 which is referenced by the vftbl.
221 /* CAUTION: Don't change the numerical values! These constants (with
222 * the exception of ARRAYTYPE_OBJECT) are used as indices in the
223 * primitive type table.
225 #define ARRAYTYPE_INT PRIMITIVETYPE_INT
226 #define ARRAYTYPE_LONG PRIMITIVETYPE_LONG
227 #define ARRAYTYPE_FLOAT PRIMITIVETYPE_FLOAT
228 #define ARRAYTYPE_DOUBLE PRIMITIVETYPE_DOUBLE
229 #define ARRAYTYPE_BYTE PRIMITIVETYPE_BYTE
230 #define ARRAYTYPE_CHAR PRIMITIVETYPE_CHAR
231 #define ARRAYTYPE_SHORT PRIMITIVETYPE_SHORT
232 #define ARRAYTYPE_BOOLEAN PRIMITIVETYPE_BOOLEAN
233 #define ARRAYTYPE_OBJECT PRIMITIVETYPE_VOID /* don't use as index! */
235 typedef struct java_arrayheader { /* header for all arrays */
236 java_objectheader objheader; /* object header */
237 s4 size; /* array size */
242 /* structs for all kinds of arrays ********************************************/
244 /* booleanarray and bytearray need identical memory layout (access methods
245 use the same machine code */
247 typedef struct java_booleanarray {
248 java_arrayheader header;
252 typedef struct java_bytearray {
253 java_arrayheader header;
257 typedef struct java_chararray {
258 java_arrayheader header;
262 typedef struct java_shortarray {
263 java_arrayheader header;
267 typedef struct java_intarray {
268 java_arrayheader header;
272 typedef struct java_longarray {
273 java_arrayheader header;
277 typedef struct java_floatarray {
278 java_arrayheader header;
282 typedef struct java_doublearray {
283 java_arrayheader header;
287 /* objectarray and arrayarray need identical memory layout (access methods
288 use the same machine code */
290 struct java_objectarray {
291 java_arrayheader header;
292 java_objectheader *data[1];
296 /* Synchronization ************************************************************/
298 #if defined(USE_THREADS) && defined(NATIVE_THREADS)
299 void compiler_lock();
300 void compiler_unlock();
303 #endif /* _GLOBAL_H */
307 * These are local overrides for various environment variables in Emacs.
308 * Please do not remove this and leave it at the end of the file, where
309 * Emacs will automagically detect them.
310 * ---------------------------------------------------------------------
313 * indent-tabs-mode: t