1 /* 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 1356 2004-07-28 10:05:07Z twisti $
40 #include "toolbox/logging.h"
41 #include "threads/thread.h"
44 /* define infinity for floating point numbers */
46 #define FLT_NAN 0x7fc00000
47 #define FLT_POSINF 0x7f800000
48 #define FLT_NEGINF 0xff800000
50 /* define infinity for double floating point numbers */
52 #define DBL_NAN 0x7ff8000000000000LL
53 #define DBL_POSINF 0x7ff0000000000000LL
54 #define DBL_NEGINF 0xfff0000000000000LL
57 /* float versions are not defined in gnu classpath's fdlibm */
59 #define copysignf copysign
60 #define finitef finite
65 /**********************************************************************/
66 /* BUILTIN FUNCTIONS TABLE */
67 /**********************************************************************/
70 * For each builtin function which is used in a BUILTIN* opcode there
71 * must be an entry in the builtin_desc table in jit/jit.c.
74 typedef struct builtin_descriptor builtin_descriptor;
76 /* There is a builtin_descriptor in builtin_desc for every builtin
77 * function used in BUILTIN* opcodes.
79 struct builtin_descriptor {
80 int opcode; /* opcode which is replaced by this builtin */
81 /* (255 means no automatic replacement, */
82 /* 0 means end of list.) */
83 functionptr builtin; /* the builtin function (specify BUILTIN_...*/
85 int icmd; /* the BUILTIN* opcode to use (# of args) */
86 u1 type_s1; /* type of 1st argument */
87 u1 type_s2; /* type of 2nd argument, or TYPE_VOID */
88 u1 type_s3; /* type of 3rd argument, or TYPE_VOID */
89 u1 type_d; /* type of result (may be TYPE_VOID) */
90 bool supported;/* is <opcode> supported without builtin? */
91 bool isfloat; /* is this a floating point operation? */
92 char *name; /* display name of the builtin function */
95 extern builtin_descriptor builtin_desc[];
97 /**********************************************************************/
98 /* GLOBAL VARIABLES */
99 /**********************************************************************/
101 #define THREADSPECIFIC
102 #define exceptionptr (&_exceptionptr)
103 #define threadrootmethod (&_threadrootmethod)
105 #if defined(USE_THREADS) && defined(NATIVE_THREADS)
108 #undef THREADSPECIFIC
109 #define THREADSPECIFIC __thread
114 #undef threadrootmethod
115 #define exceptionptr builtin_get_exceptionptrptr()
116 #define threadrootmethod builtin_get_threadrootmethod()
119 #if !defined(USE_THREADS) || !defined(NATIVE_THREADS)
120 extern java_objectheader *_exceptionptr;
121 extern methodinfo* _threadrootmethod;
125 /**********************************************************************/
126 /* BUILTIN FUNCTIONS */
127 /**********************************************************************/
129 /* NOTE: Builtin functions which are used in the BUILTIN* opcodes must
130 * have a BUILTIN_... macro defined as seen below. In code dealing
131 * with the BUILTIN* opcodes the functions may only be addressed by
132 * these macros, never by their actual name! (This helps to make this
133 * code more portable.)
135 * C and assembler code which does not deal with the BUILTIN* opcodes,
136 * can use the builtin functions normally (like all other functions).
139 * For each builtin function which is used in a BUILTIN* opcode there
140 * must be an entry in the builtin_desc table in jit/jit.c.
142 * Below each prototype is either the BUILTIN_ macro definition or a
143 * comment specifiying that this function is not used in BUILTIN*
146 * (The BUILTIN* opcodes are ICMD_BUILTIN1, ICMD_BUILTIN2 and
150 s4 builtin_instanceof(java_objectheader *obj, classinfo *class);
151 #define BUILTIN_instanceof (functionptr) builtin_instanceof
152 s4 builtin_isanysubclass (classinfo *sub, classinfo *super);
154 s4 builtin_isanysubclass_vftbl (vftbl_t *sub, vftbl_t *super);
156 s4 builtin_checkcast(java_objectheader *obj, classinfo *class);
158 s4 builtin_arrayinstanceof(java_objectheader *obj, vftbl_t *target);
159 #define BUILTIN_arrayinstanceof (functionptr) builtin_arrayinstanceof
161 #if defined(__I386__)
162 s4 asm_builtin_arrayinstanceof(java_objectheader *obj, classinfo *class); /* XXX ? */
163 #undef BUILTIN_arrayinstanceof
164 #define BUILTIN_arrayinstanceof (functionptr) asm_builtin_arrayinstanceof
167 s4 builtin_checkarraycast(java_objectheader *obj, vftbl_t *target);
169 s4 asm_builtin_checkarraycast(java_objectheader *obj, vftbl_t *target);
170 #define BUILTIN_checkarraycast (functionptr) asm_builtin_checkarraycast
172 java_objectheader *builtin_throw_exception(java_objectheader *exception);
174 java_objectheader *builtin_trace_exception(java_objectheader *xptr,
181 java_objectheader *builtin_new(classinfo *c);
183 java_objectheader *asm_builtin_new(classinfo *c);
184 #define BUILTIN_new (functionptr) asm_builtin_new
186 #define BUILTIN_new (functionptr) builtin_new
189 java_arrayheader *builtin_newarray(s4 size, vftbl_t *arrayvftbl);
190 #define BUILTIN_newarray (functionptr) builtin_newarray
191 java_objectarray *builtin_anewarray(s4 size, classinfo *component);
194 #if defined(__I386__)
195 void asm_builtin_newarray(s4 size, vftbl_t *arrayvftbl);
196 #undef BUILTIN_newarray
197 #define BUILTIN_newarray (functionptr) asm_builtin_newarray
200 java_booleanarray *builtin_newarray_boolean(s4 size);
201 #define BUILTIN_newarray_boolean (functionptr) builtin_newarray_boolean
202 java_chararray *builtin_newarray_char(s4 size);
203 #define BUILTIN_newarray_char (functionptr) builtin_newarray_char
204 java_floatarray *builtin_newarray_float(s4 size);
205 #define BUILTIN_newarray_float (functionptr) builtin_newarray_float
206 java_doublearray *builtin_newarray_double(s4 size);
207 #define BUILTIN_newarray_double (functionptr) builtin_newarray_double
208 java_bytearray *builtin_newarray_byte(s4 size);
209 #define BUILTIN_newarray_byte (functionptr) builtin_newarray_byte
210 java_shortarray *builtin_newarray_short(s4 size);
211 #define BUILTIN_newarray_short (functionptr) builtin_newarray_short
212 java_intarray *builtin_newarray_int(s4 size);
213 #define BUILTIN_newarray_int (functionptr) builtin_newarray_int
214 java_longarray *builtin_newarray_long(s4 size);
215 #define BUILTIN_newarray_long (functionptr) builtin_newarray_long
216 java_arrayheader *builtin_nmultianewarray(int n, vftbl_t *arrayvftbl, long *dims);
217 /* java_arrayheader *builtin_nmultianewarray(int n, classinfo *arrayclass, long *dims); */
220 s4 builtin_canstore(java_objectarray *a, java_objectheader *o);
222 void asm_builtin_aastore(java_objectarray *a, s4 index, java_objectheader *o);
223 #define BUILTIN_aastore (functionptr) asm_builtin_aastore
225 #ifdef TRACE_ARGS_NUM
226 #if TRACE_ARGS_NUM == 6
227 void builtin_trace_args(s8 a0, s8 a1, s8 a2, s8 a3, s8 a4, s8 a5, methodinfo *m);
230 void builtin_trace_args(s8 a0, s8 a1, s8 a2, s8 a3, s8 a4, s8 a5, s8 a6, s8 a7, methodinfo *m);
234 void builtin_displaymethodstart(methodinfo *m);
236 void builtin_displaymethodstop(methodinfo *m, s8 l, double d, float f);
239 void builtin_monitorenter(java_objectheader *o);
241 void builtin_staticmonitorenter(classinfo *c);
243 void asm_builtin_monitorenter(java_objectheader *o);
244 #define BUILTIN_monitorenter (functionptr) asm_builtin_monitorenter
245 void builtin_monitorexit(java_objectheader *o);
247 void asm_builtin_monitorexit(java_objectheader *o);
248 #define BUILTIN_monitorexit (functionptr) asm_builtin_monitorexit
250 s4 builtin_idiv(s4 a, s4 b);
252 s4 asm_builtin_idiv(s4 a, s4 b);
253 #define BUILTIN_idiv (functionptr) asm_builtin_idiv
254 s4 builtin_irem(s4 a, s4 b);
256 s4 asm_builtin_irem(s4 a, s4 b);
257 #define BUILTIN_irem (functionptr) asm_builtin_irem
259 s8 builtin_ladd(s8 a, s8 b);
260 #define BUILTIN_ladd (functionptr) builtin_ladd
261 s8 builtin_lsub(s8 a, s8 b);
262 #define BUILTIN_lsub (functionptr) builtin_lsub
263 s8 builtin_lmul(s8 a, s8 b);
264 #define BUILTIN_lmul (functionptr) builtin_lmul
265 s8 builtin_ldiv(s8 a, s8 b);
267 s8 asm_builtin_ldiv(s8 a, s8 b);
268 #define BUILTIN_ldiv (functionptr) asm_builtin_ldiv
269 s8 builtin_lrem(s8 a, s8 b);
271 s8 asm_builtin_lrem(s8 a, s8 b);
272 #define BUILTIN_lrem (functionptr) asm_builtin_lrem
273 s8 builtin_lshl(s8 a, s4 b);
274 #define BUILTIN_lshl (functionptr) builtin_lshl
275 s8 builtin_lshr(s8 a, s4 b);
276 #define BUILTIN_lshr (functionptr) builtin_lshr
277 s8 builtin_lushr(s8 a, s4 b);
278 #define BUILTIN_lushr (functionptr) builtin_lushr
279 s8 builtin_land(s8 a, s8 b);
280 #define BUILTIN_land (functionptr) builtin_land
281 s8 builtin_lor(s8 a, s8 b);
282 #define BUILTIN_lor (functionptr) builtin_lor
283 s8 builtin_lxor(s8 a, s8 b);
284 #define BUILTIN_lxor (functionptr) builtin_lxor
285 s8 builtin_lneg(s8 a);
286 #define BUILTIN_lneg (functionptr) builtin_lneg
287 s4 builtin_lcmp(s8 a, s8 b);
288 #define BUILTIN_lcmp (functionptr) builtin_lcmp
290 float builtin_fadd(float a, float b);
292 float builtin_fsub(float a, float b);
294 float builtin_fmul(float a, float b);
296 float builtin_fdiv(float a, float b);
298 float builtin_fneg(float a);
300 s4 builtin_fcmpl(float a, float b);
302 s4 builtin_fcmpg(float a, float b);
304 float builtin_frem(float a, float b);
305 #define BUILTIN_frem (functionptr) builtin_frem
307 double builtin_dadd(double a, double b);
309 double builtin_dsub(double a, double b);
311 double builtin_dmul(double a, double b);
313 double builtin_ddiv(double a, double b);
315 double builtin_dneg(double a);
317 s4 builtin_dcmpl(double a, double b);
319 s4 builtin_dcmpg(double a, double b);
321 double builtin_drem(double a, double b);
322 #define BUILTIN_drem (functionptr) builtin_drem
324 s8 builtin_i2l(s4 i);
326 float builtin_i2f(s4 i);
327 #define BUILTIN_i2f (functionptr) builtin_i2f
328 double builtin_i2d(s4 i);
329 #define BUILTIN_i2d (functionptr) builtin_i2d
330 s4 builtin_l2i(s8 l);
332 float builtin_l2f(s8 l);
333 #define BUILTIN_l2f (functionptr) builtin_l2f
334 double builtin_l2d(s8 l);
335 #define BUILTIN_l2d (functionptr) builtin_l2d
337 s4 builtin_f2i(float a);
338 #define BUILTIN_f2i (functionptr) builtin_f2i
339 s4 asm_builtin_f2i(float a);
341 s8 builtin_f2l(float a);
342 #define BUILTIN_f2l (functionptr) builtin_f2l
343 s8 asm_builtin_f2l(float a);
346 double builtin_f2d(float a);
349 s4 builtin_d2i(double a);
350 #define BUILTIN_d2i (functionptr) builtin_d2i
351 s4 asm_builtin_d2i(double a);
353 s8 builtin_d2l(double a);
354 #define BUILTIN_d2l (functionptr) builtin_d2l
355 s8 asm_builtin_d2l(double a);
358 float builtin_d2f(double a);
361 java_arrayheader *builtin_clone_array(void *env, java_arrayheader *o);
364 /* builtin_dummy just panics if it is executed. */
368 /* conversion helper functions */
369 inline float intBitsToFloat(s4 i);
370 inline float longBitsToDouble(s8 l);
372 /* this is a wrapper for calls from asmpart */
373 java_objectheader **builtin_asm_get_exceptionptrptr();
375 #if defined(USE_THREADS) && defined(NATIVE_THREADS)
376 static inline java_objectheader **builtin_get_exceptionptrptr();
378 static inline methodinfo **builtin_get_threadrootmethod();
381 inline java_objectheader **builtin_get_exceptionptrptr()
383 return &THREADINFO->_exceptionptr;
386 inline methodinfo **builtin_get_threadrootmethod()
388 return &THREADINFO->_threadrootmethod;
393 /* returns the root method of a thread. this is used in asmpart.S and delivers the abort condition
394 for the stack unwinding for getClassContext and getClassLoader. For the main thread this is the main function.
395 Otherwhise it is the thread's run method (at least that's how I see it) (jowenn) */
396 methodinfo *builtin_asm_get_threadrootmethod();
398 /* returns the current top element of the stack frame info list (needed for unwinding across native functions) */
399 /* on i386 this is a pointer to a structure
400 ------------------------------------------------
401 | return adress out of native stub |
402 | 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)
403 | pointer to thread specific top of this list |<----stack frame begin
404 points here---->| previous element in list |
405 ------------------------------------------------
407 void *builtin_asm_get_stackframeinfo();
408 stacktraceelement *builtin_stacktrace_copy(stacktraceelement **,stacktraceelement *begin, stacktraceelement *end);
409 #endif /* _BUILTIN_H */
413 * These are local overrides for various environment variables in Emacs.
414 * Please do not remove this and leave it at the end of the file, where
415 * Emacs will automagically detect them.
416 * ---------------------------------------------------------------------
419 * indent-tabs-mode: t