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 4529 2006-02-20 23:35:08Z 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
97 * TYPECHECK_STACK_COMPCAT activates full checking of computational
98 * categories for stack manipulations (POP,POP2,SWAP,DUP,DUP2,DUP_X1,
99 * DUP2_X1,DUP_X2,DUP2_X2).
101 #define TYPECHECK_STACK_COMPCAT
103 /* if we have threads disabled this one is not defined ************************/
105 #if !defined(USE_THREADS)
106 #define THREADSPECIFIC
110 #define MAX_ALIGN 8 /* most generic alignment for JavaVM values */
113 /* basic data types ***********************************************************/
115 /* CAUTION: jit/jit.h relies on these numerical values! */
116 #define TYPE_INT 0 /* the JavaVM types must numbered in the */
117 #define TYPE_LONG 1 /* same order as the ICMD_Ixxx to ICMD_Axxx */
118 #define TYPE_FLOAT 2 /* instructions (LOAD and STORE) */
119 #define TYPE_DOUBLE 3 /* integer, long, float, double, address */
120 #define TYPE_ADDRESS 4 /* all other types can be numbered arbitrarly */
124 /* primitive data types *******************************************************/
126 /* These values are used in parsed descriptors and in some other places */
127 /* were the different types handled internally as TYPE_INT have to be */
130 #define PRIMITIVETYPE_COUNT 11 /* number of primitive types (+ dummies) */
132 /* CAUTION: Don't change the numerical values! These constants are
133 * used as indices into the primitive type table.
135 #define PRIMITIVETYPE_INT TYPE_INT
136 #define PRIMITIVETYPE_LONG TYPE_LONG
137 #define PRIMITIVETYPE_FLOAT TYPE_FLOAT
138 #define PRIMITIVETYPE_DOUBLE TYPE_DOUBLE
139 #define PRIMITIVETYPE_DUMMY1 TYPE_ADR /* not used! */
140 #define PRIMITIVETYPE_BYTE 5
141 #define PRIMITIVETYPE_CHAR 6
142 #define PRIMITIVETYPE_SHORT 7
143 #define PRIMITIVETYPE_BOOLEAN 8
144 #define PRIMITIVETYPE_DUMMY2 9 /* not used! */
145 #define PRIMITIVETYPE_VOID TYPE_VOID
147 /* some Java related defines **************************************************/
149 #define JAVA_VERSION "1.4.2" /* this version is supported by CACAO */
150 #define CLASS_VERSION "49.0"
153 /* Java class file constants **************************************************/
155 #define MAGIC 0xCAFEBABE
156 #define MAJOR_VERSION 49
157 #define MINOR_VERSION 0
160 /* Constant pool tags *********************************************************/
162 #define CONSTANT_Class 7
163 #define CONSTANT_Fieldref 9
164 #define CONSTANT_Methodref 10
165 #define CONSTANT_InterfaceMethodref 11
166 #define CONSTANT_String 8
167 #define CONSTANT_Integer 3
168 #define CONSTANT_Float 4
169 #define CONSTANT_Long 5
170 #define CONSTANT_Double 6
171 #define CONSTANT_NameAndType 12
172 #define CONSTANT_Utf8 1
174 #define CONSTANT_UNUSED 0
177 /* Class/Field/Method access and property flags *******************************/
179 #define ACC_UNDEF -1 /* used internally */
180 #define ACC_NONE 0 /* used internally */
182 #define ACC_PUBLIC 0x0001
183 #define ACC_PRIVATE 0x0002
184 #define ACC_PROTECTED 0x0004
185 #define ACC_STATIC 0x0008
186 #define ACC_FINAL 0x0010
187 #define ACC_SUPER 0x0020
188 #define ACC_SYNCHRONIZED 0x0020
189 #define ACC_VOLATILE 0x0040
190 #define ACC_BRIDGE 0x0040
191 #define ACC_TRANSIENT 0x0080
192 #define ACC_VARARGS 0x0080
193 #define ACC_NATIVE 0x0100
194 #define ACC_INTERFACE 0x0200
195 #define ACC_ABSTRACT 0x0400
196 #define ACC_STRICT 0x0800
197 #define ACC_SYNTHETIC 0x1000
198 #define ACC_ANNOTATION 0x2000
199 #define ACC_ENUM 0x4000
202 /* data structure for calls from c code to java methods */
204 struct jni_callblock {
209 typedef struct jni_callblock jni_callblock;
212 /* data structures of the runtime system **************************************/
214 /* java_objectheader ***********************************************************
216 All objects (and arrays) which resides on the heap need the
217 following header at the beginning of the data structure.
219 *******************************************************************************/
221 struct java_objectheader { /* header for all objects */
222 struct _vftbl *vftbl; /* pointer to virtual function table */
223 #if defined(USE_THREADS) && defined(NATIVE_THREADS)
229 /* arrays **********************************************************************
231 All arrays are objects (they need the object header with a pointer
232 to a vftbl (array class table). There is one class for each array
233 type. The array type is described by an arraydescriptor struct
234 which is referenced by the vftbl.
237 /* CAUTION: Don't change the numerical values! These constants (with
238 * the exception of ARRAYTYPE_OBJECT) are used as indices in the
239 * primitive type table.
241 #define ARRAYTYPE_INT PRIMITIVETYPE_INT
242 #define ARRAYTYPE_LONG PRIMITIVETYPE_LONG
243 #define ARRAYTYPE_FLOAT PRIMITIVETYPE_FLOAT
244 #define ARRAYTYPE_DOUBLE PRIMITIVETYPE_DOUBLE
245 #define ARRAYTYPE_BYTE PRIMITIVETYPE_BYTE
246 #define ARRAYTYPE_CHAR PRIMITIVETYPE_CHAR
247 #define ARRAYTYPE_SHORT PRIMITIVETYPE_SHORT
248 #define ARRAYTYPE_BOOLEAN PRIMITIVETYPE_BOOLEAN
249 #define ARRAYTYPE_OBJECT PRIMITIVETYPE_VOID /* don't use as index! */
251 typedef struct java_arrayheader { /* header for all arrays */
252 java_objectheader objheader; /* object header */
253 s4 size; /* array size */
258 /* structs for all kinds of arrays ********************************************/
260 /* booleanarray and bytearray need identical memory layout (access methods
261 use the same machine code */
263 typedef struct java_booleanarray {
264 java_arrayheader header;
268 typedef struct java_bytearray {
269 java_arrayheader header;
273 typedef struct java_chararray {
274 java_arrayheader header;
278 typedef struct java_shortarray {
279 java_arrayheader header;
283 typedef struct java_intarray {
284 java_arrayheader header;
288 typedef struct java_longarray {
289 java_arrayheader header;
293 typedef struct java_floatarray {
294 java_arrayheader header;
298 typedef struct java_doublearray {
299 java_arrayheader header;
303 /* objectarray and arrayarray need identical memory layout (access methods
304 use the same machine code */
306 struct java_objectarray {
307 java_arrayheader header;
308 java_objectheader *data[1];
312 #define VFTBLINTERFACETABLE(v,i) (v)->interfacetable[-i]
315 /* flag variables *************************************************************/
317 extern bool cacao_initializing;
320 /* Synchronization ************************************************************/
322 #if defined(USE_THREADS) && defined(NATIVE_THREADS)
325 void compiler_lock();
326 void compiler_unlock();
330 /**** Methods: called directly by cacao, which defines the callpath ***/
331 #define MAINCLASS mainstring
332 #define MAINMETH "main"
333 #define MAINDESC "([Ljava/lang/String;)V"
335 #define EXITCLASS "java/lang/System"
336 #define EXITMETH "exit"
337 #define EXITDESC "(I)V"
339 #if defined(USE_THREADS)
340 #define THREADCLASS "java/lang/Thread"
341 #define THREADMETH "<init>"
342 #define THREADDESC "(Ljava/lang/VMThread;Ljava/lang/String;IZ)V"
344 #define THREADGROUPCLASS "java/lang/ThreadGroup"
345 #define THREADGROUPMETH "addThread"
346 #define THREADGROUPDESC "(Ljava/lang/Thread;)V"
349 #endif /* _GLOBAL_H */
353 * These are local overrides for various environment variables in Emacs.
354 * Please do not remove this and leave it at the end of the file, where
355 * Emacs will automagically detect them.
356 * ---------------------------------------------------------------------
359 * indent-tabs-mode: t