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 1571 2004-11-23 16:05:04Z twisti $
40 #include "toolbox/logging.h"
41 #include "threads/thread.h"
45 /* define infinity for floating point numbers */
47 #define FLT_NAN 0x7fc00000
48 #define FLT_POSINF 0x7f800000
49 #define FLT_NEGINF 0xff800000
51 /* define infinity for double floating point numbers */
53 #define DBL_NAN 0x7ff8000000000000LL
54 #define DBL_POSINF 0x7ff0000000000000LL
55 #define DBL_NEGINF 0xfff0000000000000LL
58 /* float versions are not defined in gnu classpath's fdlibm */
60 #define copysignf copysign
61 #define finitef finite
66 /**********************************************************************/
67 /* BUILTIN FUNCTIONS TABLE */
68 /**********************************************************************/
71 * For each builtin function which is used in a BUILTIN* opcode there
72 * must be an entry in the builtin_desc table in jit/jit.c.
75 typedef struct builtin_descriptor builtin_descriptor;
77 /* There is a builtin_descriptor in builtin_desc for every builtin
78 * function used in BUILTIN* opcodes.
80 struct builtin_descriptor {
81 int opcode; /* opcode which is replaced by this builtin */
82 /* (255 means no automatic replacement, */
83 /* 0 means end of list.) */
84 functionptr builtin; /* the builtin function (specify BUILTIN_...*/
86 int icmd; /* the BUILTIN* opcode to use (# of args) */
87 u1 type_s1; /* type of 1st argument */
88 u1 type_s2; /* type of 2nd argument, or TYPE_VOID */
89 u1 type_s3; /* type of 3rd argument, or TYPE_VOID */
90 u1 type_d; /* type of result (may be TYPE_VOID) */
91 bool supported;/* is <opcode> supported without builtin? */
92 bool isfloat; /* is this a floating point operation? */
93 char *name; /* display name of the builtin function */
96 extern builtin_descriptor builtin_desc[];
98 /**********************************************************************/
99 /* GLOBAL VARIABLES */
100 /**********************************************************************/
102 #define THREADSPECIFIC
103 #define exceptionptr (&_exceptionptr)
104 #define threadrootmethod (&_threadrootmethod)
106 #if defined(USE_THREADS) && defined(NATIVE_THREADS)
109 #undef THREADSPECIFIC
110 #define THREADSPECIFIC __thread
115 #undef threadrootmethod
116 #define exceptionptr builtin_get_exceptionptrptr()
117 #define threadrootmethod builtin_get_threadrootmethod()
120 #if !defined(USE_THREADS) || !defined(NATIVE_THREADS)
121 extern java_objectheader *_exceptionptr;
122 extern methodinfo* _threadrootmethod;
126 /**********************************************************************/
127 /* BUILTIN FUNCTIONS */
128 /**********************************************************************/
130 /* NOTE: Builtin functions which are used in the BUILTIN* opcodes must
131 * have a BUILTIN_... macro defined as seen below. In code dealing
132 * with the BUILTIN* opcodes the functions may only be addressed by
133 * these macros, never by their actual name! (This helps to make this
134 * code more portable.)
136 * C and assembler code which does not deal with the BUILTIN* opcodes,
137 * can use the builtin functions normally (like all other functions).
140 * For each builtin function which is used in a BUILTIN* opcode there
141 * must be an entry in the builtin_desc table in jit/jit.c.
143 * Below each prototype is either the BUILTIN_ macro definition or a
144 * comment specifiying that this function is not used in BUILTIN*
147 * (The BUILTIN* opcodes are ICMD_BUILTIN1, ICMD_BUILTIN2 and
151 s4 builtin_instanceof(java_objectheader *obj, classinfo *class);
152 #define BUILTIN_instanceof (functionptr) builtin_instanceof
153 s4 builtin_isanysubclass (classinfo *sub, classinfo *super);
155 s4 builtin_isanysubclass_vftbl (vftbl_t *sub, vftbl_t *super);
157 s4 builtin_checkcast(java_objectheader *obj, classinfo *class);
159 s4 builtin_arrayinstanceof(java_objectheader *obj, vftbl_t *target);
160 #define BUILTIN_arrayinstanceof (functionptr) builtin_arrayinstanceof
162 #if defined(__I386__)
163 s4 asm_builtin_arrayinstanceof(java_objectheader *obj, classinfo *class); /* XXX ? */
164 #undef BUILTIN_arrayinstanceof
165 #define BUILTIN_arrayinstanceof (functionptr) asm_builtin_arrayinstanceof
168 s4 builtin_checkarraycast(java_objectheader *obj, vftbl_t *target);
170 s4 asm_builtin_checkarraycast(java_objectheader *obj, vftbl_t *target);
171 #define BUILTIN_checkarraycast (functionptr) asm_builtin_checkarraycast
173 java_objectheader *builtin_throw_exception(java_objectheader *exception);
175 java_objectheader *builtin_trace_exception(java_objectheader *xptr,
182 java_objectheader *builtin_new(classinfo *c);
184 java_objectheader *asm_builtin_new(classinfo *c);
185 #define BUILTIN_new (functionptr) asm_builtin_new
187 #define BUILTIN_new (functionptr) builtin_new
190 java_arrayheader *builtin_newarray(s4 size, vftbl_t *arrayvftbl);
191 #define BUILTIN_newarray (functionptr) builtin_newarray
192 java_objectarray *builtin_anewarray(s4 size, classinfo *component);
195 #if defined(__I386__)
196 void asm_builtin_newarray(s4 size, vftbl_t *arrayvftbl);
197 #undef BUILTIN_newarray
198 #define BUILTIN_newarray (functionptr) asm_builtin_newarray
201 java_booleanarray *builtin_newarray_boolean(s4 size);
202 #define BUILTIN_newarray_boolean (functionptr) builtin_newarray_boolean
203 java_chararray *builtin_newarray_char(s4 size);
204 #define BUILTIN_newarray_char (functionptr) builtin_newarray_char
205 java_floatarray *builtin_newarray_float(s4 size);
206 #define BUILTIN_newarray_float (functionptr) builtin_newarray_float
207 java_doublearray *builtin_newarray_double(s4 size);
208 #define BUILTIN_newarray_double (functionptr) builtin_newarray_double
209 java_bytearray *builtin_newarray_byte(s4 size);
210 #define BUILTIN_newarray_byte (functionptr) builtin_newarray_byte
211 java_shortarray *builtin_newarray_short(s4 size);
212 #define BUILTIN_newarray_short (functionptr) builtin_newarray_short
213 java_intarray *builtin_newarray_int(s4 size);
214 #define BUILTIN_newarray_int (functionptr) builtin_newarray_int
215 java_longarray *builtin_newarray_long(s4 size);
216 #define BUILTIN_newarray_long (functionptr) builtin_newarray_long
217 java_arrayheader *builtin_nmultianewarray(int n, vftbl_t *arrayvftbl, long *dims);
218 /* java_arrayheader *builtin_nmultianewarray(int n, classinfo *arrayclass, long *dims); */
221 s4 builtin_canstore(java_objectarray *a, java_objectheader *o);
223 void asm_builtin_aastore(java_objectarray *a, s4 index, java_objectheader *o);
224 #define BUILTIN_aastore (functionptr) asm_builtin_aastore
226 #ifdef TRACE_ARGS_NUM
227 #if TRACE_ARGS_NUM == 6
228 void builtin_trace_args(s8 a0, s8 a1, s8 a2, s8 a3, s8 a4, s8 a5, methodinfo *m);
231 void builtin_trace_args(s8 a0, s8 a1, s8 a2, s8 a3, s8 a4, s8 a5, s8 a6, s8 a7, methodinfo *m);
235 void builtin_displaymethodstart(methodinfo *m);
237 void builtin_displaymethodstop(methodinfo *m, s8 l, double d, float f);
240 void builtin_monitorenter(java_objectheader *o);
242 void builtin_staticmonitorenter(classinfo *c);
244 void asm_builtin_monitorenter(java_objectheader *o);
245 #define BUILTIN_monitorenter (functionptr) asm_builtin_monitorenter
246 void *builtin_monitorexit(java_objectheader *o);
248 void *asm_builtin_monitorexit(java_objectheader *o);
249 #define BUILTIN_monitorexit (functionptr) asm_builtin_monitorexit
251 s4 builtin_idiv(s4 a, s4 b);
253 s4 asm_builtin_idiv(s4 a, s4 b);
254 #define BUILTIN_idiv (functionptr) asm_builtin_idiv
255 s4 builtin_irem(s4 a, s4 b);
257 s4 asm_builtin_irem(s4 a, s4 b);
258 #define BUILTIN_irem (functionptr) asm_builtin_irem
260 s8 builtin_ladd(s8 a, s8 b);
261 #define BUILTIN_ladd (functionptr) builtin_ladd
262 s8 builtin_lsub(s8 a, s8 b);
263 #define BUILTIN_lsub (functionptr) builtin_lsub
264 s8 builtin_lmul(s8 a, s8 b);
265 #define BUILTIN_lmul (functionptr) builtin_lmul
266 s8 builtin_ldiv(s8 a, s8 b);
268 s8 asm_builtin_ldiv(s8 a, s8 b);
269 #define BUILTIN_ldiv (functionptr) asm_builtin_ldiv
270 s8 builtin_lrem(s8 a, s8 b);
272 s8 asm_builtin_lrem(s8 a, s8 b);
273 #define BUILTIN_lrem (functionptr) asm_builtin_lrem
274 s8 builtin_lshl(s8 a, s4 b);
275 #define BUILTIN_lshl (functionptr) builtin_lshl
276 s8 builtin_lshr(s8 a, s4 b);
277 #define BUILTIN_lshr (functionptr) builtin_lshr
278 s8 builtin_lushr(s8 a, s4 b);
279 #define BUILTIN_lushr (functionptr) builtin_lushr
280 s8 builtin_land(s8 a, s8 b);
281 #define BUILTIN_land (functionptr) builtin_land
282 s8 builtin_lor(s8 a, s8 b);
283 #define BUILTIN_lor (functionptr) builtin_lor
284 s8 builtin_lxor(s8 a, s8 b);
285 #define BUILTIN_lxor (functionptr) builtin_lxor
286 s8 builtin_lneg(s8 a);
287 #define BUILTIN_lneg (functionptr) builtin_lneg
288 s4 builtin_lcmp(s8 a, s8 b);
289 #define BUILTIN_lcmp (functionptr) builtin_lcmp
291 float builtin_fadd(float a, float b);
293 float builtin_fsub(float a, float b);
295 float builtin_fmul(float a, float b);
297 float builtin_fdiv(float a, float b);
299 float builtin_fneg(float a);
301 s4 builtin_fcmpl(float a, float b);
303 s4 builtin_fcmpg(float a, float b);
305 float builtin_frem(float a, float b);
306 #define BUILTIN_frem (functionptr) builtin_frem
308 double builtin_dadd(double a, double b);
310 double builtin_dsub(double a, double b);
312 double builtin_dmul(double a, double b);
314 double builtin_ddiv(double a, double b);
316 double builtin_dneg(double a);
318 s4 builtin_dcmpl(double a, double b);
320 s4 builtin_dcmpg(double a, double b);
322 double builtin_drem(double a, double b);
323 #define BUILTIN_drem (functionptr) builtin_drem
325 s8 builtin_i2l(s4 i);
327 float builtin_i2f(s4 i);
328 #define BUILTIN_i2f (functionptr) builtin_i2f
329 double builtin_i2d(s4 i);
330 #define BUILTIN_i2d (functionptr) builtin_i2d
331 s4 builtin_l2i(s8 l);
333 float builtin_l2f(s8 l);
334 #define BUILTIN_l2f (functionptr) builtin_l2f
335 double builtin_l2d(s8 l);
336 #define BUILTIN_l2d (functionptr) builtin_l2d
338 s4 builtin_f2i(float a);
339 #define BUILTIN_f2i (functionptr) builtin_f2i
340 s4 asm_builtin_f2i(float a);
342 s8 builtin_f2l(float a);
343 #define BUILTIN_f2l (functionptr) builtin_f2l
344 s8 asm_builtin_f2l(float a);
347 double builtin_f2d(float a);
350 s4 builtin_d2i(double a);
351 #define BUILTIN_d2i (functionptr) builtin_d2i
352 s4 asm_builtin_d2i(double a);
354 s8 builtin_d2l(double a);
355 #define BUILTIN_d2l (functionptr) builtin_d2l
356 s8 asm_builtin_d2l(double a);
359 float builtin_d2f(double a);
362 java_arrayheader *builtin_clone_array(void *env, java_arrayheader *o);
365 /* builtin_dummy just panics if it is executed. */
369 /* conversion helper functions */
370 inline float intBitsToFloat(s4 i);
371 inline float longBitsToDouble(s8 l);
373 /* this is a wrapper for calls from asmpart */
374 java_objectheader **builtin_asm_get_exceptionptrptr();
376 #if defined(USE_THREADS) && defined(NATIVE_THREADS)
377 static inline java_objectheader **builtin_get_exceptionptrptr();
379 static inline methodinfo **builtin_get_threadrootmethod();
382 inline java_objectheader **builtin_get_exceptionptrptr()
384 return &THREADINFO->_exceptionptr;
387 inline methodinfo **builtin_get_threadrootmethod()
389 return &THREADINFO->_threadrootmethod;
394 /* returns the root method of a thread. this is used in asmpart.S and delivers the abort condition
395 for the stack unwinding for getClassContext and getClassLoader. For the main thread this is the main function.
396 Otherwhise it is the thread's run method (at least that's how I see it) (jowenn) */
397 methodinfo *builtin_asm_get_threadrootmethod();
399 /* returns the current top element of the stack frame info list (needed for unwinding across native functions) */
400 /* on i386 this is a pointer to a structure
401 ------------------------------------------------
402 | return adress out of native stub |
403 | 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)
404 | pointer to thread specific top of this list |<----stack frame begin
405 points here---->| previous element in list |
406 ------------------------------------------------
408 void *builtin_asm_get_stackframeinfo();
409 stacktraceelement *builtin_stacktrace_copy(stacktraceelement **,stacktraceelement *begin, stacktraceelement *end);
410 #endif /* _BUILTIN_H */
414 * These are local overrides for various environment variables in Emacs.
415 * Please do not remove this and leave it at the end of the file, where
416 * Emacs will automagically detect them.
417 * ---------------------------------------------------------------------
420 * indent-tabs-mode: t