1 /* vm/builtin.h - prototypes of builtin functions
3 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
4 R. Grafl, A. Krall, C. Kruegel, C. Oates, R. Obermaisser,
5 M. Probst, S. Ring, E. Steiner, C. Thalinger, D. Thuernbeck,
6 P. Tomsich, J. Wenninger
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
29 Changes: Edwin Steiner
31 $Id: builtin.h 1621 2004-11-30 13:06:55Z twisti $
41 #include "toolbox/logging.h"
43 #if defined(USE_THREADS)
44 # if defined(NATIVE_THREADS)
45 # include "threads/native/threads.h"
47 # include "threads/green/threads.h"
52 /* define infinity for floating point numbers */
54 #define FLT_NAN 0x7fc00000
55 #define FLT_POSINF 0x7f800000
56 #define FLT_NEGINF 0xff800000
58 /* define infinity for double floating point numbers */
60 #define DBL_NAN 0x7ff8000000000000LL
61 #define DBL_POSINF 0x7ff0000000000000LL
62 #define DBL_NEGINF 0xfff0000000000000LL
65 /* float versions are not defined in gnu classpath's fdlibm */
67 #define copysignf copysign
68 #define finitef finite
73 /**********************************************************************/
74 /* BUILTIN FUNCTIONS TABLE */
75 /**********************************************************************/
78 * For each builtin function which is used in a BUILTIN* opcode there
79 * must be an entry in the builtin_desc table in jit/jit.c.
82 typedef struct builtin_descriptor builtin_descriptor;
84 /* There is a builtin_descriptor in builtin_desc for every builtin
85 * function used in BUILTIN* opcodes.
87 struct builtin_descriptor {
88 int opcode; /* opcode which is replaced by this builtin */
89 /* (255 means no automatic replacement, */
90 /* 0 means end of list.) */
91 functionptr builtin; /* the builtin function (specify BUILTIN_...*/
93 int icmd; /* the BUILTIN* opcode to use (# of args) */
94 u1 type_s1; /* type of 1st argument */
95 u1 type_s2; /* type of 2nd argument, or TYPE_VOID */
96 u1 type_s3; /* type of 3rd argument, or TYPE_VOID */
97 u1 type_d; /* type of result (may be TYPE_VOID) */
98 bool supported;/* is <opcode> supported without builtin? */
99 bool isfloat; /* is this a floating point operation? */
100 char *name; /* display name of the builtin function */
103 extern builtin_descriptor builtin_desc[];
105 /**********************************************************************/
106 /* GLOBAL VARIABLES */
107 /**********************************************************************/
109 #define THREADSPECIFIC
110 #define exceptionptr (&_exceptionptr)
111 #define threadrootmethod (&_threadrootmethod)
113 #if defined(USE_THREADS) && defined(NATIVE_THREADS)
116 #undef THREADSPECIFIC
117 #define THREADSPECIFIC __thread
122 #undef threadrootmethod
123 #define exceptionptr builtin_get_exceptionptrptr()
124 #define threadrootmethod builtin_get_threadrootmethod()
127 #if !defined(USE_THREADS) || !defined(NATIVE_THREADS)
128 extern java_objectheader *_exceptionptr;
129 extern methodinfo* _threadrootmethod;
133 /**********************************************************************/
134 /* BUILTIN FUNCTIONS */
135 /**********************************************************************/
137 /* NOTE: Builtin functions which are used in the BUILTIN* opcodes must
138 * have a BUILTIN_... macro defined as seen below. In code dealing
139 * with the BUILTIN* opcodes the functions may only be addressed by
140 * these macros, never by their actual name! (This helps to make this
141 * code more portable.)
143 * C and assembler code which does not deal with the BUILTIN* opcodes,
144 * can use the builtin functions normally (like all other functions).
147 * For each builtin function which is used in a BUILTIN* opcode there
148 * must be an entry in the builtin_desc table in jit/jit.c.
150 * Below each prototype is either the BUILTIN_ macro definition or a
151 * comment specifiying that this function is not used in BUILTIN*
154 * (The BUILTIN* opcodes are ICMD_BUILTIN1, ICMD_BUILTIN2 and
158 s4 builtin_instanceof(java_objectheader *obj, classinfo *class);
159 #define BUILTIN_instanceof (functionptr) builtin_instanceof
160 s4 builtin_isanysubclass (classinfo *sub, classinfo *super);
162 s4 builtin_isanysubclass_vftbl (vftbl_t *sub, vftbl_t *super);
164 s4 builtin_checkcast(java_objectheader *obj, classinfo *class);
166 s4 builtin_arrayinstanceof(java_objectheader *obj, vftbl_t *target);
167 #define BUILTIN_arrayinstanceof (functionptr) builtin_arrayinstanceof
169 #if defined(__I386__)
170 s4 asm_builtin_arrayinstanceof(java_objectheader *obj, classinfo *class); /* XXX ? */
171 #undef BUILTIN_arrayinstanceof
172 #define BUILTIN_arrayinstanceof (functionptr) asm_builtin_arrayinstanceof
175 s4 builtin_checkarraycast(java_objectheader *obj, vftbl_t *target);
177 s4 asm_builtin_checkarraycast(java_objectheader *obj, vftbl_t *target);
178 #define BUILTIN_checkarraycast (functionptr) asm_builtin_checkarraycast
180 java_objectheader *builtin_throw_exception(java_objectheader *exception);
182 java_objectheader *builtin_trace_exception(java_objectheader *xptr,
189 java_objectheader *builtin_new(classinfo *c);
191 java_objectheader *asm_builtin_new(classinfo *c);
192 #define BUILTIN_new (functionptr) asm_builtin_new
194 #define BUILTIN_new (functionptr) builtin_new
197 java_arrayheader *builtin_newarray(s4 size, vftbl_t *arrayvftbl);
198 #define BUILTIN_newarray (functionptr) builtin_newarray
199 java_objectarray *builtin_anewarray(s4 size, classinfo *component);
202 #if defined(__I386__)
203 void asm_builtin_newarray(s4 size, vftbl_t *arrayvftbl);
204 #undef BUILTIN_newarray
205 #define BUILTIN_newarray (functionptr) asm_builtin_newarray
208 java_booleanarray *builtin_newarray_boolean(s4 size);
209 #define BUILTIN_newarray_boolean (functionptr) builtin_newarray_boolean
210 java_chararray *builtin_newarray_char(s4 size);
211 #define BUILTIN_newarray_char (functionptr) builtin_newarray_char
212 java_floatarray *builtin_newarray_float(s4 size);
213 #define BUILTIN_newarray_float (functionptr) builtin_newarray_float
214 java_doublearray *builtin_newarray_double(s4 size);
215 #define BUILTIN_newarray_double (functionptr) builtin_newarray_double
216 java_bytearray *builtin_newarray_byte(s4 size);
217 #define BUILTIN_newarray_byte (functionptr) builtin_newarray_byte
218 java_shortarray *builtin_newarray_short(s4 size);
219 #define BUILTIN_newarray_short (functionptr) builtin_newarray_short
220 java_intarray *builtin_newarray_int(s4 size);
221 #define BUILTIN_newarray_int (functionptr) builtin_newarray_int
222 java_longarray *builtin_newarray_long(s4 size);
223 #define BUILTIN_newarray_long (functionptr) builtin_newarray_long
224 java_arrayheader *builtin_nmultianewarray(int n, vftbl_t *arrayvftbl, long *dims);
225 /* java_arrayheader *builtin_nmultianewarray(int n, classinfo *arrayclass, long *dims); */
228 s4 builtin_canstore(java_objectarray *a, java_objectheader *o);
230 void asm_builtin_aastore(java_objectarray *a, s4 index, java_objectheader *o);
231 #define BUILTIN_aastore (functionptr) asm_builtin_aastore
233 #ifdef TRACE_ARGS_NUM
234 #if TRACE_ARGS_NUM == 6
235 void builtin_trace_args(s8 a0, s8 a1, s8 a2, s8 a3, s8 a4, s8 a5, methodinfo *m);
238 void builtin_trace_args(s8 a0, s8 a1, s8 a2, s8 a3, s8 a4, s8 a5, s8 a6, s8 a7, methodinfo *m);
242 void builtin_displaymethodstart(methodinfo *m);
244 void builtin_displaymethodstop(methodinfo *m, s8 l, double d, float f);
247 void builtin_monitorenter(java_objectheader *o);
249 void builtin_staticmonitorenter(classinfo *c);
251 void asm_builtin_monitorenter(java_objectheader *o);
252 #define BUILTIN_monitorenter (functionptr) asm_builtin_monitorenter
253 void *builtin_monitorexit(java_objectheader *o);
255 void *asm_builtin_monitorexit(java_objectheader *o);
256 #define BUILTIN_monitorexit (functionptr) asm_builtin_monitorexit
258 s4 builtin_idiv(s4 a, s4 b);
260 s4 asm_builtin_idiv(s4 a, s4 b);
261 #define BUILTIN_idiv (functionptr) asm_builtin_idiv
262 s4 builtin_irem(s4 a, s4 b);
264 s4 asm_builtin_irem(s4 a, s4 b);
265 #define BUILTIN_irem (functionptr) asm_builtin_irem
267 s8 builtin_ladd(s8 a, s8 b);
268 #define BUILTIN_ladd (functionptr) builtin_ladd
269 s8 builtin_lsub(s8 a, s8 b);
270 #define BUILTIN_lsub (functionptr) builtin_lsub
271 s8 builtin_lmul(s8 a, s8 b);
272 #define BUILTIN_lmul (functionptr) builtin_lmul
273 s8 builtin_ldiv(s8 a, s8 b);
275 s8 asm_builtin_ldiv(s8 a, s8 b);
276 #define BUILTIN_ldiv (functionptr) asm_builtin_ldiv
277 s8 builtin_lrem(s8 a, s8 b);
279 s8 asm_builtin_lrem(s8 a, s8 b);
280 #define BUILTIN_lrem (functionptr) asm_builtin_lrem
281 s8 builtin_lshl(s8 a, s4 b);
282 #define BUILTIN_lshl (functionptr) builtin_lshl
283 s8 builtin_lshr(s8 a, s4 b);
284 #define BUILTIN_lshr (functionptr) builtin_lshr
285 s8 builtin_lushr(s8 a, s4 b);
286 #define BUILTIN_lushr (functionptr) builtin_lushr
287 s8 builtin_land(s8 a, s8 b);
288 #define BUILTIN_land (functionptr) builtin_land
289 s8 builtin_lor(s8 a, s8 b);
290 #define BUILTIN_lor (functionptr) builtin_lor
291 s8 builtin_lxor(s8 a, s8 b);
292 #define BUILTIN_lxor (functionptr) builtin_lxor
293 s8 builtin_lneg(s8 a);
294 #define BUILTIN_lneg (functionptr) builtin_lneg
295 s4 builtin_lcmp(s8 a, s8 b);
296 #define BUILTIN_lcmp (functionptr) builtin_lcmp
298 float builtin_fadd(float a, float b);
300 float builtin_fsub(float a, float b);
302 float builtin_fmul(float a, float b);
304 float builtin_fdiv(float a, float b);
306 float builtin_fneg(float a);
308 s4 builtin_fcmpl(float a, float b);
310 s4 builtin_fcmpg(float a, float b);
312 float builtin_frem(float a, float b);
313 #define BUILTIN_frem (functionptr) builtin_frem
315 double builtin_dadd(double a, double b);
317 double builtin_dsub(double a, double b);
319 double builtin_dmul(double a, double b);
321 double builtin_ddiv(double a, double b);
323 double builtin_dneg(double a);
325 s4 builtin_dcmpl(double a, double b);
327 s4 builtin_dcmpg(double a, double b);
329 double builtin_drem(double a, double b);
330 #define BUILTIN_drem (functionptr) builtin_drem
332 s8 builtin_i2l(s4 i);
334 float builtin_i2f(s4 i);
335 #define BUILTIN_i2f (functionptr) builtin_i2f
336 double builtin_i2d(s4 i);
337 #define BUILTIN_i2d (functionptr) builtin_i2d
338 s4 builtin_l2i(s8 l);
340 float builtin_l2f(s8 l);
341 #define BUILTIN_l2f (functionptr) builtin_l2f
342 double builtin_l2d(s8 l);
343 #define BUILTIN_l2d (functionptr) builtin_l2d
345 s4 builtin_f2i(float a);
346 #define BUILTIN_f2i (functionptr) builtin_f2i
347 s4 asm_builtin_f2i(float a);
349 s8 builtin_f2l(float a);
350 #define BUILTIN_f2l (functionptr) builtin_f2l
351 s8 asm_builtin_f2l(float a);
354 double builtin_f2d(float a);
357 s4 builtin_d2i(double a);
358 #define BUILTIN_d2i (functionptr) builtin_d2i
359 s4 asm_builtin_d2i(double a);
361 s8 builtin_d2l(double a);
362 #define BUILTIN_d2l (functionptr) builtin_d2l
363 s8 asm_builtin_d2l(double a);
366 float builtin_d2f(double a);
369 java_arrayheader *builtin_clone_array(void *env, java_arrayheader *o);
372 /* builtin_dummy just panics if it is executed. */
376 /* conversion helper functions */
377 inline float intBitsToFloat(s4 i);
378 inline float longBitsToDouble(s8 l);
380 /* this is a wrapper for calls from asmpart */
381 java_objectheader **builtin_asm_get_exceptionptrptr();
383 #if defined(USE_THREADS) && defined(NATIVE_THREADS)
384 static inline java_objectheader **builtin_get_exceptionptrptr();
386 static inline methodinfo **builtin_get_threadrootmethod();
389 inline java_objectheader **builtin_get_exceptionptrptr()
391 return &THREADINFO->_exceptionptr;
394 inline methodinfo **builtin_get_threadrootmethod()
396 return &THREADINFO->_threadrootmethod;
401 /* returns the root method of a thread. this is used in asmpart.S and delivers the abort condition
402 for the stack unwinding for getClassContext and getClassLoader. For the main thread this is the main function.
403 Otherwhise it is the thread's run method (at least that's how I see it) (jowenn) */
404 methodinfo *builtin_asm_get_threadrootmethod();
406 /* returns the current top element of the stack frame info list (needed for unwinding across native functions) */
407 /* on i386 this is a pointer to a structure
408 ------------------------------------------------
409 | return adress out of native stub |
410 | pointer to method info | either i have to save an arbitrary adress within this native stub or the pointer to the method info, both are equaly costly, I have chosen the method info (JOWENN)
411 | pointer to thread specific top of this list |<----stack frame begin
412 points here---->| previous element in list |
413 ------------------------------------------------
415 void *builtin_asm_get_stackframeinfo();
416 stacktraceelement *builtin_stacktrace_copy(stacktraceelement **,stacktraceelement *begin, stacktraceelement *end);
417 #endif /* _BUILTIN_H */
421 * These are local overrides for various environment variables in Emacs.
422 * Please do not remove this and leave it at the end of the file, where
423 * Emacs will automagically detect them.
424 * ---------------------------------------------------------------------
427 * indent-tabs-mode: t