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 3313 2005-09-29 14:31:21Z 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 /* some Java related defines **************************************************/
81 #define JAVA_VERSION "1.4.2" /* this version is supported by CACAO */
84 /* define some CACAO paths ****************************************************/
86 #define CACAO_VM_ZIP_PATH "/share/cacao/vm.zip"
87 #define CLASSPATH_LIBRARY_PATH "/lib/classpath"
88 #define CLASSPATH_GLIBJ_ZIP_PATH "/share/classpath/glibj.zip"
92 * CACAO_TYPECHECK activates typechecking (part of bytecode verification)
94 #define CACAO_TYPECHECK
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 /* Java class file constants **************************************************/
149 #define MAGIC 0xCAFEBABE
150 #define MAJOR_VERSION 48
151 #define MINOR_VERSION 0
154 /* Constant pool tags *********************************************************/
156 #define CONSTANT_Class 7
157 #define CONSTANT_Fieldref 9
158 #define CONSTANT_Methodref 10
159 #define CONSTANT_InterfaceMethodref 11
160 #define CONSTANT_String 8
161 #define CONSTANT_Integer 3
162 #define CONSTANT_Float 4
163 #define CONSTANT_Long 5
164 #define CONSTANT_Double 6
165 #define CONSTANT_NameAndType 12
166 #define CONSTANT_Utf8 1
168 #define CONSTANT_UNUSED 0
171 /* Class/Field/Method access and property flags *******************************/
173 #define ACC_UNDEF -1 /* used internally */
174 #define ACC_NONE 0 /* used internally */
176 #define ACC_PUBLIC 0x0001
177 #define ACC_PRIVATE 0x0002
178 #define ACC_PROTECTED 0x0004
179 #define ACC_STATIC 0x0008
180 #define ACC_FINAL 0x0010
181 #define ACC_SUPER 0x0020
182 #define ACC_SYNCHRONIZED 0x0020
183 #define ACC_VOLATILE 0x0040
184 #define ACC_BRIDGE 0x0040
185 #define ACC_TRANSIENT 0x0080
186 #define ACC_VARARGS 0x0080
187 #define ACC_NATIVE 0x0100
188 #define ACC_INTERFACE 0x0200
189 #define ACC_ABSTRACT 0x0400
190 #define ACC_STRICT 0x0800
191 #define ACC_SYNTHETIC 0x1000
192 #define ACC_ANNOTATION 0x2000
193 #define ACC_ENUM 0x4000
196 /* data structure for calls from c code to java methods */
198 struct jni_callblock {
203 typedef struct jni_callblock jni_callblock;
206 /* data structures of the runtime system **************************************/
208 /* java_objectheader ***********************************************************
210 All objects (and arrays) which resides on the heap need the
211 following header at the beginning of the data structure.
213 *******************************************************************************/
215 struct java_objectheader { /* header for all objects */
216 struct _vftbl *vftbl; /* pointer to virtual function table */
217 #if defined(USE_THREADS) && defined(NATIVE_THREADS)
223 /* arrays **********************************************************************
225 All arrays are objects (they need the object header with a pointer
226 to a vftbl (array class table). There is one class for each array
227 type. The array type is described by an arraydescriptor struct
228 which is referenced by the vftbl.
231 /* CAUTION: Don't change the numerical values! These constants (with
232 * the exception of ARRAYTYPE_OBJECT) are used as indices in the
233 * primitive type table.
235 #define ARRAYTYPE_INT PRIMITIVETYPE_INT
236 #define ARRAYTYPE_LONG PRIMITIVETYPE_LONG
237 #define ARRAYTYPE_FLOAT PRIMITIVETYPE_FLOAT
238 #define ARRAYTYPE_DOUBLE PRIMITIVETYPE_DOUBLE
239 #define ARRAYTYPE_BYTE PRIMITIVETYPE_BYTE
240 #define ARRAYTYPE_CHAR PRIMITIVETYPE_CHAR
241 #define ARRAYTYPE_SHORT PRIMITIVETYPE_SHORT
242 #define ARRAYTYPE_BOOLEAN PRIMITIVETYPE_BOOLEAN
243 #define ARRAYTYPE_OBJECT PRIMITIVETYPE_VOID /* don't use as index! */
245 typedef struct java_arrayheader { /* header for all arrays */
246 java_objectheader objheader; /* object header */
247 s4 size; /* array size */
252 /* structs for all kinds of arrays ********************************************/
254 typedef struct java_chararray {
255 java_arrayheader header;
259 typedef struct java_floatheader {
260 java_arrayheader header;
264 typedef struct java_doublearray {
265 java_arrayheader header;
269 /* booleanarray and bytearray need identical memory layout (access methods
270 use the same machine code */
272 typedef struct java_booleanarray {
273 java_arrayheader header;
277 typedef struct java_bytearray {
278 java_arrayheader header;
282 typedef struct java_shortarray {
283 java_arrayheader header;
287 typedef struct java_intarray {
288 java_arrayheader header;
292 typedef struct java_longarray {
293 java_arrayheader header;
297 /* objectarray and arrayarray need identical memory layout (access methods
298 use the same machine code */
300 struct java_objectarray {
301 java_arrayheader header;
302 java_objectheader *data[1];
306 #define VFTBLINTERFACETABLE(v,i) (v)->interfacetable[-i]
309 /* flag variables *************************************************************/
311 extern bool cacao_initializing;
314 /* Synchronization ************************************************************/
316 #if defined(USE_THREADS) && defined(NATIVE_THREADS)
319 void compiler_lock();
320 void compiler_unlock();
324 /**** Methods: called directly by cacao, which defines the callpath ***/
325 #define MAINCLASS mainstring
326 #define MAINMETH "main"
327 #define MAINDESC "([Ljava/lang/String;)V"
329 #define EXITCLASS "java/lang/System"
330 #define EXITMETH "exit"
331 #define EXITDESC "(I)V"
333 #if defined(USE_THREADS)
334 #define THREADCLASS "java/lang/Thread"
335 #define THREADMETH "<init>"
336 #define THREADDESC "(Ljava/lang/VMThread;Ljava/lang/String;IZ)V"
338 #define THREADGROUPCLASS "java/lang/ThreadGroup"
339 #define THREADGROUPMETH "addThread"
340 #define THREADGROUPDESC "(Ljava/lang/Thread;)V"
343 #endif /* _GLOBAL_H */
347 * These are local overrides for various environment variables in Emacs.
348 * Please do not remove this and leave it at the end of the file, where
349 * Emacs will automagically detect them.
350 * ---------------------------------------------------------------------
353 * indent-tabs-mode: t