1 /* jit/jit.h - code generation header
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: Andreas Krall
30 Changes: Christian Thalinger
32 $Id: jit.h 1735 2004-12-07 14:33:27Z twisti $
40 /* resolve typedef cycles *****************************************************/
42 typedef struct stackelement stackelement;
43 typedef stackelement *stackptr;
44 typedef struct basicblock basicblock;
45 typedef struct instruction instruction;
46 typedef struct subroutineinfo subroutineinfo;
49 #include "toolbox/chain.h"
50 #include "vm/global.h"
51 #include "vm/builtin.h"
52 #include "vm/jit/codegen.inc.h"
53 #include "vm/jit/verify/typeinfo.h"
56 /**************************** resolve typedef-cycles **************************/
58 /************************** stack element structure ***************************/
62 /* Unified these with longer names. Maybe someday use only
63 * one set of names? -Edwin
65 /*#define TYPE_INT 0*/ /* the stack slot types must numbered in the */
66 #define TYPE_LNG TYPE_LONG /*1*/ /* same order as the ICMD_Ixxx to ICMD_Axxx */
67 #define TYPE_FLT TYPE_FLOAT /*2*/ /* instructions (LOAD and STORE) */
68 #define TYPE_DBL TYPE_DOUBLE /*3*/ /* integer, long, float, double, address */
69 #define TYPE_ADR TYPE_ADDRESS /*4*/
71 #define IS_INT_LNG_TYPE(a) (!((a)&TYPE_FLT))
72 #define IS_FLT_DBL_TYPE(a) ((a)&TYPE_FLT)
73 #define IS_2_WORD_TYPE(a) ((a)&TYPE_LNG)
78 #define SAVEDVAR 1 /* variable has to survive method invocations */
79 #define INMEMORY 2 /* variable stored in memory */
80 #define SAVEDTMP 4 /* temporary variable using a saved register */
84 #define UNDEFVAR 0 /* stack slot will become temp during regalloc*/
85 #define TEMPVAR 1 /* stack slot is temp register */
86 #define STACKVAR 2 /* stack slot is numbered stack slot */
87 #define LOCALVAR 3 /* stack slot is local variable */
88 #define ARGVAR 4 /* stack slot is argument variable */
92 stackptr prev; /* pointer to next element towards bottom */
93 s4 type; /* slot type of stack element */
94 #ifdef CACAO_TYPECHECK
95 typeinfo typeinfo; /* info on reference types */
97 s4 flags; /* flags (SAVED, INMEMORY) */
98 s4 varkind; /* kind of variable or register */
99 s4 varnum; /* number of variable */
100 s4 regoff; /* register number or memory offset */
104 /**************************** instruction structure ***************************/
107 stackptr dst; /* stack index of destination operand stack */
108 u2 opc; /* opcode of intermediate code command */
109 s4 op1; /* first operand, usually variable number */
110 imm_union val; /* immediate constant */
111 void *target; /* used for targets of branches and jumps */
112 /* and as address for list of targets for */
114 u2 line; /* line number in source file */
115 methodinfo *method; /* needed for inlining. can't be done on */
116 /* basic block level, since an inlined */
117 /* function doesn't necessarily start */
122 /**************************** basic block structure ***************************/
130 #define BBTYPECHECK_UNDEF 2
131 #define BBTYPECHECK_REACHED 3
133 #define BBTYPE_STD 0 /* standard basic block type */
134 #define BBTYPE_EXH 1 /* exception handler basic block type */
135 #define BBTYPE_SBR 2 /* subroutine basic block type */
139 int flags; /* used during stack analysis, init with -1 */
140 int type; /* basic block type (std, xhandler, subroutine*/
141 instruction *iinstr; /* pointer to intermediate code instructions */
142 int icount; /* number of intermediate code instructions */
143 int mpc; /* machine code pc at start of block */
144 stackptr instack; /* stack at begin of basic block */
145 stackptr outstack; /* stack at end of basic block */
146 int indepth; /* stack depth at begin of basic block */
147 int outdepth; /* stack depth end of basic block */
148 int pre_count; /* count of predecessor basic blocks */
149 struct branchref *branchrefs; /* list of branches to be patched */
151 basicblock *next; /* used to build a BB list (instead of array) */
152 int lflags; /* used during loop copying, init with 0 */
153 basicblock *copied_to; /* points to the copy of this basic block */
154 /* when loop nodes are copied */
159 /********** op1 values for ACONST instructions ********************************/
161 #define ACONST_LOAD 0 /* ACONST_NULL or LDC instruction */
162 #define ACONST_BUILTIN 1 /* constant argument for a builtin function call */
164 /********** JavaVM operation codes (sorted) and instruction lengths ***********/
166 extern char *icmd_names[256];
167 extern char *opcode_names[256];
168 extern int jcommandsize[256];
173 #define JAVA_ACONST_NULL 1
174 #define ICMD_ACONST 1 /* val.a = constant */
176 #define JAVA_ICONST_M1 2
177 #define ICMD_NULLCHECKPOP 2
179 #define JAVA_ICONST_0 3
180 #define ICMD_ICONST 3 /* val.i = constant */
182 #define JAVA_ICONST_1 4
184 #define JAVA_ICONST_2 5
185 #define ICMD_IDIVPOW2 5 /* val.i = constant */
187 #define JAVA_ICONST_3 6
188 #define ICMD_LDIVPOW2 6 /* val.l = constant */
190 #define JAVA_ICONST_4 7
192 #define JAVA_ICONST_5 8
194 #define JAVA_LCONST_0 9
195 #define ICMD_LCONST 9 /* val.l = constant */
197 #define JAVA_LCONST_1 10
198 #define ICMD_LCMPCONST 10 /* val.l = constant */
200 #define JAVA_FCONST_0 11
201 #define ICMD_FCONST 11 /* val.f = constant */
203 #define JAVA_FCONST_1 12
205 #define JAVA_FCONST_2 13
206 #define ICMD_ELSE_ICONST 13
208 #define JAVA_DCONST_0 14
209 #define ICMD_DCONST 14 /* val.d = constant */
211 #define JAVA_DCONST_1 15
212 #define ICMD_IFEQ_ICONST 15
214 #define JAVA_BIPUSH 16
215 #define ICMD_IFNE_ICONST 16
217 #define JAVA_SIPUSH 17
218 #define ICMD_IFLT_ICONST 17
221 #define ICMD_IFGE_ICONST 18
224 #define ICMD_IFGT_ICONST 19
226 #define JAVA_LDC2W 20
227 #define ICMD_IFLE_ICONST 20
229 /* order of LOAD instructions must be */
230 /* equal to order of TYPE_XXX defines */
231 #define JAVA_ILOAD 21
232 #define ICMD_ILOAD 21 /* op1 = local variable */
234 #define JAVA_LLOAD 22
235 #define ICMD_LLOAD 22 /* op1 = local variable */
237 #define JAVA_FLOAD 23
238 #define ICMD_FLOAD 23 /* op1 = local variable */
240 #define JAVA_DLOAD 24
241 #define ICMD_DLOAD 24 /* op1 = local variable */
243 #define JAVA_ALOAD 25
244 #define ICMD_ALOAD 25 /* op1 = local variable */
246 #define JAVA_ILOAD_0 26
247 #define ICMD_IADDCONST 26 /* val.i = constant */
249 #define JAVA_ILOAD_1 27
250 #define ICMD_ISUBCONST 27 /* val.i = constant */
252 #define JAVA_ILOAD_2 28
253 #define ICMD_IMULCONST 28 /* val.i = constant */
255 #define JAVA_ILOAD_3 29
256 #define ICMD_IANDCONST 29 /* val.i = constant */
258 #define JAVA_LLOAD_0 30
259 #define ICMD_IORCONST 30 /* val.i = constant */
261 #define JAVA_LLOAD_1 31
262 #define ICMD_IXORCONST 31 /* val.i = constant */
264 #define JAVA_LLOAD_2 32
265 #define ICMD_ISHLCONST 32 /* val.i = constant */
267 #define JAVA_LLOAD_3 33
268 #define ICMD_ISHRCONST 33 /* val.i = constant */
270 #define JAVA_FLOAD_0 34
271 #define ICMD_IUSHRCONST 34 /* val.i = constant */
273 #define JAVA_FLOAD_1 35
274 #define ICMD_IREMPOW2 35 /* val.i = constant */
276 #define JAVA_FLOAD_2 36
277 #define ICMD_LADDCONST 36 /* val.l = constant */
279 #define JAVA_FLOAD_3 37
280 #define ICMD_LSUBCONST 37 /* val.l = constant */
282 #define JAVA_DLOAD_0 38
283 #define ICMD_LMULCONST 38 /* val.l = constant */
285 #define JAVA_DLOAD_1 39
286 #define ICMD_LANDCONST 39 /* val.l = constant */
288 #define JAVA_DLOAD_2 40
289 #define ICMD_LORCONST 40 /* val.l = constant */
291 #define JAVA_DLOAD_3 41
292 #define ICMD_LXORCONST 41 /* val.l = constant */
294 #define JAVA_ALOAD_0 42
295 #define ICMD_LSHLCONST 42 /* val.l = constant */
297 #define JAVA_ALOAD_1 43
298 #define ICMD_LSHRCONST 43 /* val.l = constant */
300 #define JAVA_ALOAD_2 44
301 #define ICMD_LUSHRCONST 44 /* val.l = constant */
303 #define JAVA_ALOAD_3 45
304 #define ICMD_LREMPOW2 45 /* val.l = constant */
306 #define JAVA_IALOAD 46
307 #define ICMD_IALOAD 46
309 #define JAVA_LALOAD 47
310 #define ICMD_LALOAD 47
312 #define JAVA_FALOAD 48
313 #define ICMD_FALOAD 48
315 #define JAVA_DALOAD 49
316 #define ICMD_DALOAD 49
318 #define JAVA_AALOAD 50
319 #define ICMD_AALOAD 50
321 #define JAVA_BALOAD 51
322 #define ICMD_BALOAD 51
324 #define JAVA_CALOAD 52
325 #define ICMD_CALOAD 52
327 #define JAVA_SALOAD 53
328 #define ICMD_SALOAD 53
330 /* order of STORE instructions must be*/
331 /* equal to order of TYPE_XXX defines */
332 #define JAVA_ISTORE 54
333 #define ICMD_ISTORE 54 /* op1 = local variable */
335 #define JAVA_LSTORE 55
336 #define ICMD_LSTORE 55 /* op1 = local variable */
338 #define JAVA_FSTORE 56
339 #define ICMD_FSTORE 56 /* op1 = local variable */
341 #define JAVA_DSTORE 57
342 #define ICMD_DSTORE 57 /* op1 = local variable */
344 #define JAVA_ASTORE 58
345 #define ICMD_ASTORE 58 /* op1 = local variable */
347 #define JAVA_ISTORE_0 59
348 #define ICMD_IF_LEQ 59 /* op1 = target JavaVM pc, val.l */
350 #define JAVA_ISTORE_1 60
351 #define ICMD_IF_LNE 60 /* op1 = target JavaVM pc, val.l */
353 #define JAVA_ISTORE_2 61
354 #define ICMD_IF_LLT 61 /* op1 = target JavaVM pc, val.l */
356 #define JAVA_ISTORE_3 62
357 #define ICMD_IF_LGE 62 /* op1 = target JavaVM pc, val.l */
359 #define JAVA_LSTORE_0 63
360 #define ICMD_IF_LGT 63 /* op1 = target JavaVM pc, val.l */
362 #define JAVA_LSTORE_1 64
363 #define ICMD_IF_LLE 64 /* op1 = target JavaVM pc, val.l */
365 #define JAVA_LSTORE_2 65
366 #define ICMD_IF_LCMPEQ 65 /* op1 = target JavaVM pc */
368 #define JAVA_LSTORE_3 66
369 #define ICMD_IF_LCMPNE 66 /* op1 = target JavaVM pc */
371 #define JAVA_FSTORE_0 67
372 #define ICMD_IF_LCMPLT 67 /* op1 = target JavaVM pc */
374 #define JAVA_FSTORE_1 68
375 #define ICMD_IF_LCMPGE 68 /* op1 = target JavaVM pc */
377 #define JAVA_FSTORE_2 69
378 #define ICMD_IF_LCMPGT 69 /* op1 = target JavaVM pc */
380 #define JAVA_FSTORE_3 70
381 #define ICMD_IF_LCMPLE 70 /* op1 = target JavaVM pc */
383 #define JAVA_DSTORE_0 71
385 #define JAVA_DSTORE_1 72
387 #define JAVA_DSTORE_2 73
389 #define JAVA_DSTORE_3 74
391 #define JAVA_ASTORE_0 75
393 #define JAVA_ASTORE_1 76
395 #define JAVA_ASTORE_2 77
397 #define JAVA_ASTORE_3 78
399 #define JAVA_IASTORE 79
400 #define ICMD_IASTORE 79
402 #define JAVA_LASTORE 80
403 #define ICMD_LASTORE 80
405 #define JAVA_FASTORE 81
406 #define ICMD_FASTORE 81
408 #define JAVA_DASTORE 82
409 #define ICMD_DASTORE 82
411 #define JAVA_AASTORE 83
412 #define ICMD_AASTORE 83
414 #define JAVA_BASTORE 84
415 #define ICMD_BASTORE 84
417 #define JAVA_CASTORE 85
418 #define ICMD_CASTORE 85
420 #define JAVA_SASTORE 86
421 #define ICMD_SASTORE 86
432 #define JAVA_DUP_X1 90
433 #define ICMD_DUP_X1 90
435 #define JAVA_DUP_X2 91
436 #define ICMD_DUP_X2 91
441 #define JAVA_DUP2_X1 93
442 #define ICMD_DUP2_X1 93
444 #define JAVA_DUP2_X2 94
445 #define ICMD_DUP2_X2 94
462 #define JAVA_ISUB 100
463 #define ICMD_ISUB 100
465 #define JAVA_LSUB 101
466 #define ICMD_LSUB 101
468 #define JAVA_FSUB 102
469 #define ICMD_FSUB 102
471 #define JAVA_DSUB 103
472 #define ICMD_DSUB 103
474 #define JAVA_IMUL 104
475 #define ICMD_IMUL 104
477 #define JAVA_LMUL 105
478 #define ICMD_LMUL 105
480 #define JAVA_FMUL 106
481 #define ICMD_FMUL 106
483 #define JAVA_DMUL 107
484 #define ICMD_DMUL 107
486 #define JAVA_IDIV 108
487 #define ICMD_IDIV 108
489 #define JAVA_LDIV 109
490 #define ICMD_LDIV 109
492 #define JAVA_FDIV 110
493 #define ICMD_FDIV 110
495 #define JAVA_DDIV 111
496 #define ICMD_DDIV 111
498 #define JAVA_IREM 112
499 #define ICMD_IREM 112
501 #define JAVA_LREM 113
502 #define ICMD_LREM 113
504 #define JAVA_FREM 114
505 #define ICMD_FREM 114
507 #define JAVA_DREM 115
508 #define ICMD_DREM 115
510 #define JAVA_INEG 116
511 #define ICMD_INEG 116
513 #define JAVA_LNEG 117
514 #define ICMD_LNEG 117
516 #define JAVA_FNEG 118
517 #define ICMD_FNEG 118
519 #define JAVA_DNEG 119
520 #define ICMD_DNEG 119
522 #define JAVA_ISHL 120
523 #define ICMD_ISHL 120
525 #define JAVA_LSHL 121
526 #define ICMD_LSHL 121
528 #define JAVA_ISHR 122
529 #define ICMD_ISHR 122
531 #define JAVA_LSHR 123
532 #define ICMD_LSHR 123
534 #define JAVA_IUSHR 124
535 #define ICMD_IUSHR 124
537 #define JAVA_LUSHR 125
538 #define ICMD_LUSHR 125
540 #define JAVA_IAND 126
541 #define ICMD_IAND 126
543 #define JAVA_LAND 127
544 #define ICMD_LAND 127
552 #define JAVA_IXOR 130
553 #define ICMD_IXOR 130
555 #define JAVA_LXOR 131
556 #define ICMD_LXOR 131
558 #define JAVA_IINC 132
559 #define ICMD_IINC 132 /* op1 = local variable, val.i = constant */
597 #define JAVA_INT2BYTE 145
598 #define ICMD_INT2BYTE 145
600 #define JAVA_INT2CHAR 146
601 #define ICMD_INT2CHAR 146
603 #define JAVA_INT2SHORT 147
604 #define ICMD_INT2SHORT 147
606 #define JAVA_LCMP 148
607 #define ICMD_LCMP 148
609 #define JAVA_FCMPL 149
610 #define ICMD_FCMPL 149
612 #define JAVA_FCMPG 150
613 #define ICMD_FCMPG 150
615 #define JAVA_DCMPL 151
616 #define ICMD_DCMPL 151
618 #define JAVA_DCMPG 152
619 #define ICMD_DCMPG 152
621 #define JAVA_IFEQ 153
622 #define ICMD_IFEQ 153 /* op1 = target JavaVM pc, val.i */
624 #define JAVA_IFNE 154
625 #define ICMD_IFNE 154 /* op1 = target JavaVM pc, val.i */
627 #define JAVA_IFLT 155
628 #define ICMD_IFLT 155 /* op1 = target JavaVM pc, val.i */
630 #define JAVA_IFGE 156
631 #define ICMD_IFGE 156 /* op1 = target JavaVM pc, val.i */
633 #define JAVA_IFGT 157
634 #define ICMD_IFGT 157 /* op1 = target JavaVM pc, val.i */
636 #define JAVA_IFLE 158
637 #define ICMD_IFLE 158 /* op1 = target JavaVM pc, val.i */
639 #define JAVA_IF_ICMPEQ 159
640 #define ICMD_IF_ICMPEQ 159 /* op1 = target JavaVM pc */
642 #define JAVA_IF_ICMPNE 160
643 #define ICMD_IF_ICMPNE 160 /* op1 = target JavaVM pc */
645 #define JAVA_IF_ICMPLT 161
646 #define ICMD_IF_ICMPLT 161 /* op1 = target JavaVM pc */
648 #define JAVA_IF_ICMPGE 162
649 #define ICMD_IF_ICMPGE 162 /* op1 = target JavaVM pc */
651 #define JAVA_IF_ICMPGT 163
652 #define ICMD_IF_ICMPGT 163 /* op1 = target JavaVM pc */
654 #define JAVA_IF_ICMPLE 164
655 #define ICMD_IF_ICMPLE 164 /* op1 = target JavaVM pc */
657 #define JAVA_IF_ACMPEQ 165
658 #define ICMD_IF_ACMPEQ 165 /* op1 = target JavaVM pc */
660 #define JAVA_IF_ACMPNE 166
661 #define ICMD_IF_ACMPNE 166 /* op1 = target JavaVM pc */
663 #define JAVA_GOTO 167
664 #define ICMD_GOTO 167 /* op1 = target JavaVM pc */
667 #define ICMD_JSR 168 /* op1 = target JavaVM pc */
670 #define ICMD_RET 169 /* op1 = local variable */
672 #define JAVA_TABLESWITCH 170
673 #define ICMD_TABLESWITCH 170 /* val.a = pointer to s4 table */
674 /* length must be computed */
675 #define JAVA_LOOKUPSWITCH 171
676 #define ICMD_LOOKUPSWITCH 171 /* val.a = pointer to s4 table */
677 /* length must be computed */
678 #define JAVA_IRETURN 172
679 #define ICMD_IRETURN 172
681 #define JAVA_LRETURN 173
682 #define ICMD_LRETURN 173
684 #define JAVA_FRETURN 174
685 #define ICMD_FRETURN 174
687 #define JAVA_DRETURN 175
688 #define ICMD_DRETURN 175
690 #define JAVA_ARETURN 176
691 #define ICMD_ARETURN 176
693 #define JAVA_RETURN 177
694 #define ICMD_RETURN 177
696 #define JAVA_GETSTATIC 178
697 #define ICMD_GETSTATIC 178 /* op1 = type, val.a = field address */
699 #define JAVA_PUTSTATIC 179
700 #define ICMD_PUTSTATIC 179 /* op1 = type, val.a = field address */
702 #define JAVA_GETFIELD 180
703 #define ICMD_GETFIELD 180 /* op1 = type, val.i = field offset */
705 #define JAVA_PUTFIELD 181
706 #define ICMD_PUTFIELD 181 /* op1 = type, val.i = field offset */
708 #define JAVA_INVOKEVIRTUAL 182
709 #define ICMD_INVOKEVIRTUAL 182 /* val.a = method info pointer */
711 #define JAVA_INVOKESPECIAL 183
712 #define ICMD_INVOKESPECIAL 183 /* val.a = method info pointer */
714 #define JAVA_INVOKESTATIC 184
715 #define ICMD_INVOKESTATIC 184 /* val.a = method info pointer */
717 #define JAVA_INVOKEINTERFACE 185
718 #define ICMD_INVOKEINTERFACE 185 /* val.a = method info pointer */
720 #define ICMD_CHECKASIZE 186 /* */
723 #define ICMD_NEW 187 /* op1 = 1, val.a = class pointer */
725 #define JAVA_NEWARRAY 188
726 #define ICMD_NEWARRAY 188 /* op1 = basic type */
728 #define JAVA_ANEWARRAY 189
729 #define ICMD_ANEWARRAY 189 /* op1 = 0, val.a = array pointer */
730 /* op1 = 1, val.a = class pointer */
731 #define JAVA_ARRAYLENGTH 190
732 #define ICMD_ARRAYLENGTH 190
734 #define JAVA_ATHROW 191
735 #define ICMD_ATHROW 191
737 #define JAVA_CHECKCAST 192
738 #define ICMD_CHECKCAST 192 /* op1 = 0, val.a = array pointer */
739 /* op1 = 1, val.a = class pointer */
740 #define JAVA_INSTANCEOF 193
741 #define ICMD_INSTANCEOF 193 /* op1 = 0, val.a = array pointer */
742 /* op1 = 1, val.a = class pointer */
743 #define JAVA_MONITORENTER 194
744 #define ICMD_MONITORENTER 194
746 #define JAVA_MONITOREXIT 195
747 #define ICMD_MONITOREXIT 195
749 #define JAVA_WIDE 196
751 #define JAVA_MULTIANEWARRAY 197
752 #define ICMD_MULTIANEWARRAY 197 /* op1 = dimension, val.a = array */
754 #define JAVA_IFNULL 198
755 #define ICMD_IFNULL 198 /* op1 = target JavaVM pc */
757 #define JAVA_IFNONNULL 199
758 #define ICMD_IFNONNULL 199 /* op1 = target JavaVM pc */
760 #define JAVA_GOTO_W 200
762 #define JAVA_JSR_W 201
764 #define JAVA_BREAKPOINT 202
766 #define ICMD_CHECKEXCEPTION 203 /* check for an exception */
768 #define ICMD_IASTORECONST 204
770 #define ICMD_LASTORECONST 205
772 #define ICMD_FASTORECONST 206
774 #define ICMD_DASTORECONST 207
776 #define ICMD_AASTORECONST 208
778 #define ICMD_BASTORECONST 209
780 #define ICMD_CASTORECONST 210
782 #define ICMD_SASTORECONST 211
784 #define ICMD_INLINE_START 251 /* before the first instruction of an inlined method */
785 #define ICMD_INLINE_END 252 /* after the last instruction of an inlined method */
786 #define ICMD_BUILTIN3 253 /* internal opcode */
787 #define ICMD_BUILTIN2 254 /* internal opcode */
788 #define ICMD_BUILTIN1 255 /* internal opcode */
789 #define ICMD_READONLY_ARG 1024 /* used for inlining, opcodes 1024-1028 are used */
790 #define ICMD_CLEAR_ARGREN 1029 /* indicates the start of a new inlined method argument renaming must be reset */
793 /******************* description of JavaVM instructions ***********************/
795 #if defined(USEBUILTINTABLE)
797 builtin_descriptor *find_builtin(int opcode);
799 #endif /* USEBUILTINTABLE */
802 /***************************** register types *********************************/
804 #define REG_RES 0 /* reserved register for OS or code generator */
805 #define REG_RET 1 /* return value register */
806 #define REG_EXC 2 /* exception value register */
807 #define REG_SAV 3 /* (callee) saved register */
808 #define REG_TMP 4 /* scratch temporary register (caller saved) */
809 #define REG_ARG 5 /* argument register (caller saved) */
811 #define REG_END -1 /* last entry in tables */
813 #define PARAMMODE_NUMBERED 0
814 #define PARAMMODE_STUFFED 1
817 /***************************** register info block ****************************/
819 extern int stackreq[256];
822 #if defined(__I386__)
823 extern bool method_uses_ecx;
824 extern bool method_uses_edx;
828 /* function prototypes */
830 functionptr jit_compile(methodinfo *m); /* compile a method with jit compiler */
832 void jit_init(); /* compiler initialisation */
833 void jit_close(); /* compiler finalisation */
835 void compile_all_class_methods(classinfo *c);
837 u1 *createcompilerstub(methodinfo *m);
838 u1 *createnativestub(functionptr f, methodinfo *m);
840 void removecompilerstub(u1 *stub);
841 void removenativestub(u1 *stub);
847 * These are local overrides for various environment variables in Emacs.
848 * Please do not remove this and leave it at the end of the file, where
849 * Emacs will automagically detect them.
850 * ---------------------------------------------------------------------
853 * indent-tabs-mode: t