1 /* src/vm/global.h - global definitions
3 Copyright (C) 1996-2005 R. Grafl, A. Krall, C. Kruegel, C. Oates,
4 R. Obermaisser, M. Platter, M. Probst, S. Ring, E. Steiner,
5 C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich, J. Wenninger,
6 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., 59 Temple Place - Suite 330, Boston, MA
25 Contact: cacao@complang.tuwien.ac.at
27 Authors: Reinhard Grafl
36 $Id: global.h 3811 2005-11-28 16:23:40Z edwin $
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 #define CACAO_VM_ZIP_PATH "/share/cacao/vm.zip"
82 #define CLASSPATH_LIBRARY_PATH "/lib/classpath"
83 #define CLASSPATH_GLIBJ_ZIP_PATH "/share/classpath/" GLIBJZ_STRING
87 * ENABLE_VERIFIER activates bytecode verification and other checks
89 #define ENABLE_VERIFIER
92 * TYPECHECK_STACK_COMPCAT activates full checking of computational
93 * categories for stack manipulations (POP,POP2,SWAP,DUP,DUP2,DUP_X1,
94 * DUP2_X1,DUP_X2,DUP2_X2).
96 #define TYPECHECK_STACK_COMPCAT
98 /* if we have threads disabled this one is not defined ************************/
100 #if !defined(USE_THREADS)
101 #define THREADSPECIFIC
105 #define MAX_ALIGN 8 /* most generic alignment for JavaVM values */
108 /* basic data types ***********************************************************/
110 /* CAUTION: jit/jit.h relies on these numerical values! */
111 #define TYPE_INT 0 /* the JavaVM types must numbered in the */
112 #define TYPE_LONG 1 /* same order as the ICMD_Ixxx to ICMD_Axxx */
113 #define TYPE_FLOAT 2 /* instructions (LOAD and STORE) */
114 #define TYPE_DOUBLE 3 /* integer, long, float, double, address */
115 #define TYPE_ADDRESS 4 /* all other types can be numbered arbitrarly */
119 /* primitive data types *******************************************************/
121 /* These values are used in parsed descriptors and in some other places */
122 /* were the different types handled internally as TYPE_INT have to be */
125 #define PRIMITIVETYPE_COUNT 11 /* number of primitive types (+ dummies) */
127 /* CAUTION: Don't change the numerical values! These constants are
128 * used as indices into the primitive type table.
130 #define PRIMITIVETYPE_INT TYPE_INT
131 #define PRIMITIVETYPE_LONG TYPE_LONG
132 #define PRIMITIVETYPE_FLOAT TYPE_FLOAT
133 #define PRIMITIVETYPE_DOUBLE TYPE_DOUBLE
134 #define PRIMITIVETYPE_DUMMY1 TYPE_ADR /* not used! */
135 #define PRIMITIVETYPE_BYTE 5
136 #define PRIMITIVETYPE_CHAR 6
137 #define PRIMITIVETYPE_SHORT 7
138 #define PRIMITIVETYPE_BOOLEAN 8
139 #define PRIMITIVETYPE_DUMMY2 9 /* not used! */
140 #define PRIMITIVETYPE_VOID TYPE_VOID
142 /* some Java related defines **************************************************/
144 #define JAVA_VERSION "1.4.2" /* this version is supported by CACAO */
145 #define CLASS_VERSION "49.0"
148 /* Java class file constants **************************************************/
150 #define MAGIC 0xCAFEBABE
151 #define MAJOR_VERSION 49
152 #define MINOR_VERSION 0
155 /* Constant pool tags *********************************************************/
157 #define CONSTANT_Class 7
158 #define CONSTANT_Fieldref 9
159 #define CONSTANT_Methodref 10
160 #define CONSTANT_InterfaceMethodref 11
161 #define CONSTANT_String 8
162 #define CONSTANT_Integer 3
163 #define CONSTANT_Float 4
164 #define CONSTANT_Long 5
165 #define CONSTANT_Double 6
166 #define CONSTANT_NameAndType 12
167 #define CONSTANT_Utf8 1
169 #define CONSTANT_UNUSED 0
172 /* Class/Field/Method access and property flags *******************************/
174 #define ACC_UNDEF -1 /* used internally */
175 #define ACC_NONE 0 /* used internally */
177 #define ACC_PUBLIC 0x0001
178 #define ACC_PRIVATE 0x0002
179 #define ACC_PROTECTED 0x0004
180 #define ACC_STATIC 0x0008
181 #define ACC_FINAL 0x0010
182 #define ACC_SUPER 0x0020
183 #define ACC_SYNCHRONIZED 0x0020
184 #define ACC_VOLATILE 0x0040
185 #define ACC_BRIDGE 0x0040
186 #define ACC_TRANSIENT 0x0080
187 #define ACC_VARARGS 0x0080
188 #define ACC_NATIVE 0x0100
189 #define ACC_INTERFACE 0x0200
190 #define ACC_ABSTRACT 0x0400
191 #define ACC_STRICT 0x0800
192 #define ACC_SYNTHETIC 0x1000
193 #define ACC_ANNOTATION 0x2000
194 #define ACC_ENUM 0x4000
197 /* data structure for calls from c code to java methods */
199 struct jni_callblock {
204 typedef struct jni_callblock jni_callblock;
207 /* data structures of the runtime system **************************************/
209 /* java_objectheader ***********************************************************
211 All objects (and arrays) which resides on the heap need the
212 following header at the beginning of the data structure.
214 *******************************************************************************/
216 struct java_objectheader { /* header for all objects */
217 struct _vftbl *vftbl; /* pointer to virtual function table */
218 #if defined(USE_THREADS) && defined(NATIVE_THREADS)
224 /* arrays **********************************************************************
226 All arrays are objects (they need the object header with a pointer
227 to a vftbl (array class table). There is one class for each array
228 type. The array type is described by an arraydescriptor struct
229 which is referenced by the vftbl.
232 /* CAUTION: Don't change the numerical values! These constants (with
233 * the exception of ARRAYTYPE_OBJECT) are used as indices in the
234 * primitive type table.
236 #define ARRAYTYPE_INT PRIMITIVETYPE_INT
237 #define ARRAYTYPE_LONG PRIMITIVETYPE_LONG
238 #define ARRAYTYPE_FLOAT PRIMITIVETYPE_FLOAT
239 #define ARRAYTYPE_DOUBLE PRIMITIVETYPE_DOUBLE
240 #define ARRAYTYPE_BYTE PRIMITIVETYPE_BYTE
241 #define ARRAYTYPE_CHAR PRIMITIVETYPE_CHAR
242 #define ARRAYTYPE_SHORT PRIMITIVETYPE_SHORT
243 #define ARRAYTYPE_BOOLEAN PRIMITIVETYPE_BOOLEAN
244 #define ARRAYTYPE_OBJECT PRIMITIVETYPE_VOID /* don't use as index! */
246 typedef struct java_arrayheader { /* header for all arrays */
247 java_objectheader objheader; /* object header */
248 s4 size; /* array size */
253 /* structs for all kinds of arrays ********************************************/
255 typedef struct java_chararray {
256 java_arrayheader header;
260 typedef struct java_floatheader {
261 java_arrayheader header;
265 typedef struct java_doublearray {
266 java_arrayheader header;
270 /* booleanarray and bytearray need identical memory layout (access methods
271 use the same machine code */
273 typedef struct java_booleanarray {
274 java_arrayheader header;
278 typedef struct java_bytearray {
279 java_arrayheader header;
283 typedef struct java_shortarray {
284 java_arrayheader header;
288 typedef struct java_intarray {
289 java_arrayheader header;
293 typedef struct java_longarray {
294 java_arrayheader header;
298 /* objectarray and arrayarray need identical memory layout (access methods
299 use the same machine code */
301 struct java_objectarray {
302 java_arrayheader header;
303 java_objectheader *data[1];
307 #define VFTBLINTERFACETABLE(v,i) (v)->interfacetable[-i]
310 /* flag variables *************************************************************/
312 extern bool cacao_initializing;
315 /* Synchronization ************************************************************/
317 #if defined(USE_THREADS) && defined(NATIVE_THREADS)
320 void compiler_lock();
321 void compiler_unlock();
325 /**** Methods: called directly by cacao, which defines the callpath ***/
326 #define MAINCLASS mainstring
327 #define MAINMETH "main"
328 #define MAINDESC "([Ljava/lang/String;)V"
330 #define EXITCLASS "java/lang/System"
331 #define EXITMETH "exit"
332 #define EXITDESC "(I)V"
334 #if defined(USE_THREADS)
335 #define THREADCLASS "java/lang/Thread"
336 #define THREADMETH "<init>"
337 #define THREADDESC "(Ljava/lang/VMThread;Ljava/lang/String;IZ)V"
339 #define THREADGROUPCLASS "java/lang/ThreadGroup"
340 #define THREADGROUPMETH "addThread"
341 #define THREADGROUPDESC "(Ljava/lang/Thread;)V"
344 #endif /* _GLOBAL_H */
348 * These are local overrides for various environment variables in Emacs.
349 * Please do not remove this and leave it at the end of the file, where
350 * Emacs will automagically detect them.
351 * ---------------------------------------------------------------------
354 * indent-tabs-mode: t