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 1067 2004-05-18 10:25:51Z stefan $
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 *sub, vftbl *super);
156 s4 builtin_checkcast(java_objectheader *obj, classinfo *class);
158 s4 builtin_arrayinstanceof(java_objectheader *obj, vftbl *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 *target);
169 s4 asm_builtin_checkarraycast(java_objectheader *obj, vftbl *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 *_exceptionptr,
176 int *pos, int line, int noindent);
179 static inline java_objectheader **builtin_get_exceptionptrptr();
181 static inline methodinfo **builtin_get_threadrootmethod();
184 java_objectheader *builtin_new(classinfo *c);
186 java_objectheader *asm_builtin_new(classinfo *c);
187 #define BUILTIN_new (functionptr) asm_builtin_new
189 #define BUILTIN_new (functionptr) builtin_new
192 java_arrayheader *builtin_newarray(s4 size, vftbl *arrayvftbl);
193 #define BUILTIN_newarray (functionptr) builtin_newarray
194 java_objectarray *builtin_anewarray(s4 size, classinfo *component);
197 #if defined(__I386__)
198 void asm_builtin_newarray(s4 size, vftbl *arrayvftbl);
199 #undef BUILTIN_newarray
200 #define BUILTIN_newarray (functionptr) asm_builtin_newarray
203 java_booleanarray *builtin_newarray_boolean(s4 size);
204 #define BUILTIN_newarray_boolean (functionptr) builtin_newarray_boolean
205 java_chararray *builtin_newarray_char(s4 size);
206 #define BUILTIN_newarray_char (functionptr) builtin_newarray_char
207 java_floatarray *builtin_newarray_float(s4 size);
208 #define BUILTIN_newarray_float (functionptr) builtin_newarray_float
209 java_doublearray *builtin_newarray_double(s4 size);
210 #define BUILTIN_newarray_double (functionptr) builtin_newarray_double
211 java_bytearray *builtin_newarray_byte(s4 size);
212 #define BUILTIN_newarray_byte (functionptr) builtin_newarray_byte
213 java_shortarray *builtin_newarray_short(s4 size);
214 #define BUILTIN_newarray_short (functionptr) builtin_newarray_short
215 java_intarray *builtin_newarray_int(s4 size);
216 #define BUILTIN_newarray_int (functionptr) builtin_newarray_int
217 java_longarray *builtin_newarray_long(s4 size);
218 #define BUILTIN_newarray_long (functionptr) builtin_newarray_long
219 java_arrayheader *builtin_nmultianewarray(int n, vftbl *arrayvftbl, long *dims);
220 /* java_arrayheader *builtin_nmultianewarray(int n, classinfo *arrayclass, long *dims); */
223 s4 builtin_canstore(java_objectarray *a, java_objectheader *o);
225 void asm_builtin_aastore(java_objectarray *a, s4 index, java_objectheader *o);
226 #define BUILTIN_aastore (functionptr) asm_builtin_aastore
228 #ifdef TRACE_ARGS_NUM
229 #if TRACE_ARGS_NUM == 6
230 void builtin_trace_args(s8 a0, s8 a1, s8 a2, s8 a3, s8 a4, s8 a5, methodinfo *method);
233 void builtin_trace_args(s8 a0, s8 a1, s8 a2, s8 a3, s8 a4, s8 a5, s8 a6, s8 a7, methodinfo *method);
237 void builtin_displaymethodstart(methodinfo *method);
239 void builtin_displaymethodstop(methodinfo *method, s8 l, double d, float f);
242 void builtin_monitorenter(java_objectheader *o);
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 inline java_objectheader **builtin_get_exceptionptrptr()
378 #if defined(USE_THREADS) && defined(NATIVE_THREADS)
379 return &THREADINFO->_exceptionptr;
381 panic("builtin_get_exceptionptrptr should not be used in this configuration");
386 inline methodinfo **builtin_get_threadrootmethod()
388 #if defined(USE_THREADS) && defined(NATIVE_THREADS)
389 return &THREADINFO->_threadrootmethod;
391 panic("builting_get_threadrootmethod should not be used in this configuration");
396 /* returns the root method of a thread. this is used in asmpart.S and delivers the abort condition
397 for the stack unwinding for getClassContext and getClassLoader. For the main thread this is the main function.
398 Otherwhise it is the thread's run method (at least that's how I see it) (jowenn) */
399 methodinfo *builtin_asm_get_threadrootmethod();
401 /* returns the current top element of the stack frame info list (needed for unwinding across native functions) */
402 /* on i386 this is a pointer to a structure
403 ------------------------------------------------
404 | return adress out of native stub |
405 | 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)
406 | pointer to thread specific top of this list |<----stack frame begin
407 points here---->| previous element in list |
408 ------------------------------------------------
410 void *builtin_asm_get_stackframeinfo();
411 stacktraceelement *builtin_stacktrace_copy(stacktraceelement **,stacktraceelement *begin, stacktraceelement *end);
412 #endif /* _BUILTIN_H */
416 * These are local overrides for various environment variables in Emacs.
417 * Please do not remove this and leave it at the end of the file, where
418 * Emacs will automagically detect them.
419 * ---------------------------------------------------------------------
422 * indent-tabs-mode: t