1 /* src/vm/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 2566 2005-06-06 15:25:56Z 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/references.h"
52 #include "vm/method.h"
53 #include "vm/jit/codegen.inc.h"
54 #include "vm/jit/verify/typeinfo.h"
57 /**************************** resolve typedef-cycles **************************/
59 /************************** stack element structure ***************************/
63 /* Unified these with longer names. Maybe someday use only
64 * one set of names? -Edwin
66 /*#define TYPE_INT 0*/ /* the stack slot types must numbered in the */
67 #define TYPE_LNG TYPE_LONG /*1*/ /* same order as the ICMD_Ixxx to ICMD_Axxx */
68 #define TYPE_FLT TYPE_FLOAT /*2*/ /* instructions (LOAD and STORE) */
69 #define TYPE_DBL TYPE_DOUBLE /*3*/ /* integer, long, float, double, address */
70 #define TYPE_ADR TYPE_ADDRESS /*4*/
72 #define IS_INT_LNG_TYPE(a) (!((a) & TYPE_FLT))
73 #define IS_FLT_DBL_TYPE(a) ((a) & TYPE_FLT)
74 #define IS_2_WORD_TYPE(a) ((a) & TYPE_LNG)
75 #define IS_ADR_TYPE(a) ((a) & TYPE_ADR)
80 #define SAVEDVAR 1 /* variable has to survive method invocations */
81 #define INMEMORY 2 /* variable stored in memory */
82 #define SAVEDTMP 4 /* temporary variable using a saved register */
83 #define TMPARG 8 /* temporary variable using a argument register */
87 #define UNDEFVAR 0 /* stack slot will become temp during regalloc*/
88 #define TEMPVAR 1 /* stack slot is temp register */
89 #define STACKVAR 2 /* stack slot is numbered stack slot */
90 #define LOCALVAR 3 /* stack slot is local variable */
91 #define ARGVAR 4 /* stack slot is argument variable */
95 stackptr prev; /* pointer to next element towards bottom */
96 s4 type; /* slot type of stack element */
97 #ifdef CACAO_TYPECHECK
98 typeinfo typeinfo; /* info on reference types */
100 s4 flags; /* flags (SAVED, INMEMORY) */
101 s4 varkind; /* kind of variable or register */
102 s4 varnum; /* number of variable */
103 s4 regoff; /* register number or memory offset */
107 /**************************** instruction structure ***************************/
110 stackptr dst; /* stack index of destination operand stack */
111 u2 opc; /* opcode of intermediate code command */
112 s4 op1; /* first operand, usually variable number */
113 imm_union val; /* immediate constant */
114 void *target; /* used for targets of branches and jumps */
115 /* and as address for list of targets for */
117 u2 line; /* line number in source file */
118 methodinfo *method; /* needed for inlining. can't be done on */
119 /* basic block level, since an inlined */
120 /* function doesn't necessarily start */
124 #define INSTRUCTION_PUTCONST_TYPE(iptr) \
127 #define INSTRUCTION_PUTCONST_VALUE_ADR(iptr) \
130 #define INSTRUCTION_PUTCONST_FIELDINFO(iptr) \
131 ((fieldinfo *)((iptr)[1].val.a))
134 /**************************** basic block structure ***************************/
142 #define BBTYPECHECK_UNDEF 2
143 #define BBTYPECHECK_REACHED 3
145 #define BBTYPE_STD 0 /* standard basic block type */
146 #define BBTYPE_EXH 1 /* exception handler basic block type */
147 #define BBTYPE_SBR 2 /* subroutine basic block type */
151 int flags; /* used during stack analysis, init with -1 */
152 int type; /* basic block type (std, xhandler, subroutine*/
153 instruction *iinstr; /* pointer to intermediate code instructions */
154 int icount; /* number of intermediate code instructions */
155 int mpc; /* machine code pc at start of block */
156 stackptr instack; /* stack at begin of basic block */
157 stackptr outstack; /* stack at end of basic block */
158 int indepth; /* stack depth at begin of basic block */
159 int outdepth; /* stack depth end of basic block */
160 int pre_count; /* count of predecessor basic blocks */
161 struct branchref *branchrefs; /* list of branches to be patched */
163 basicblock *next; /* used to build a BB list (instead of array) */
164 int lflags; /* used during loop copying, init with 0 */
165 basicblock *copied_to; /* points to the copy of this basic block */
166 /* when loop nodes are copied */
171 /********** op1 values for ACONST instructions ********************************/
173 #define ACONST_LOAD 0 /* ACONST_NULL or LDC instruction */
174 #define ACONST_BUILTIN 1 /* constant argument for a builtin function call */
176 /********** JavaVM operation codes (sorted) and instruction lengths ***********/
178 extern char *icmd_names[256];
179 extern char *opcode_names[256];
180 extern int jcommandsize[256];
185 #define JAVA_ACONST_NULL 1
186 #define ICMD_ACONST 1 /* val.a = constant */
188 #define JAVA_ICONST_M1 2
189 #define ICMD_CHECKNULL 2
191 #define JAVA_ICONST_0 3
192 #define ICMD_ICONST 3 /* val.i = constant */
194 #define JAVA_ICONST_1 4
196 #define JAVA_ICONST_2 5
197 #define ICMD_IDIVPOW2 5 /* val.i = constant */
199 #define JAVA_ICONST_3 6
200 #define ICMD_LDIVPOW2 6 /* val.l = constant */
202 #define JAVA_ICONST_4 7
204 #define JAVA_ICONST_5 8
206 #define JAVA_LCONST_0 9
207 #define ICMD_LCONST 9 /* val.l = constant */
209 #define JAVA_LCONST_1 10
210 #define ICMD_LCMPCONST 10 /* val.l = constant */
212 #define JAVA_FCONST_0 11
213 #define ICMD_FCONST 11 /* val.f = constant */
215 #define JAVA_FCONST_1 12
217 #define JAVA_FCONST_2 13
218 #define ICMD_ELSE_ICONST 13
220 #define JAVA_DCONST_0 14
221 #define ICMD_DCONST 14 /* val.d = constant */
223 #define JAVA_DCONST_1 15
224 #define ICMD_IFEQ_ICONST 15
226 #define JAVA_BIPUSH 16
227 #define ICMD_IFNE_ICONST 16
229 #define JAVA_SIPUSH 17
230 #define ICMD_IFLT_ICONST 17
233 #define ICMD_IFGE_ICONST 18
236 #define ICMD_IFGT_ICONST 19
238 #define JAVA_LDC2W 20
239 #define ICMD_IFLE_ICONST 20
241 /* order of LOAD instructions must be */
242 /* equal to order of TYPE_XXX defines */
243 #define JAVA_ILOAD 21
244 #define ICMD_ILOAD 21 /* op1 = local variable */
246 #define JAVA_LLOAD 22
247 #define ICMD_LLOAD 22 /* op1 = local variable */
249 #define JAVA_FLOAD 23
250 #define ICMD_FLOAD 23 /* op1 = local variable */
252 #define JAVA_DLOAD 24
253 #define ICMD_DLOAD 24 /* op1 = local variable */
255 #define JAVA_ALOAD 25
256 #define ICMD_ALOAD 25 /* op1 = local variable */
258 #define JAVA_ILOAD_0 26
259 #define ICMD_IADDCONST 26 /* val.i = constant */
261 #define JAVA_ILOAD_1 27
262 #define ICMD_ISUBCONST 27 /* val.i = constant */
264 #define JAVA_ILOAD_2 28
265 #define ICMD_IMULCONST 28 /* val.i = constant */
267 #define JAVA_ILOAD_3 29
268 #define ICMD_IANDCONST 29 /* val.i = constant */
270 #define JAVA_LLOAD_0 30
271 #define ICMD_IORCONST 30 /* val.i = constant */
273 #define JAVA_LLOAD_1 31
274 #define ICMD_IXORCONST 31 /* val.i = constant */
276 #define JAVA_LLOAD_2 32
277 #define ICMD_ISHLCONST 32 /* val.i = constant */
279 #define JAVA_LLOAD_3 33
280 #define ICMD_ISHRCONST 33 /* val.i = constant */
282 #define JAVA_FLOAD_0 34
283 #define ICMD_IUSHRCONST 34 /* val.i = constant */
285 #define JAVA_FLOAD_1 35
286 #define ICMD_IREMPOW2 35 /* val.i = constant */
288 #define JAVA_FLOAD_2 36
289 #define ICMD_LADDCONST 36 /* val.l = constant */
291 #define JAVA_FLOAD_3 37
292 #define ICMD_LSUBCONST 37 /* val.l = constant */
294 #define JAVA_DLOAD_0 38
295 #define ICMD_LMULCONST 38 /* val.l = constant */
297 #define JAVA_DLOAD_1 39
298 #define ICMD_LANDCONST 39 /* val.l = constant */
300 #define JAVA_DLOAD_2 40
301 #define ICMD_LORCONST 40 /* val.l = constant */
303 #define JAVA_DLOAD_3 41
304 #define ICMD_LXORCONST 41 /* val.l = constant */
306 #define JAVA_ALOAD_0 42
307 #define ICMD_LSHLCONST 42 /* val.l = constant */
309 #define JAVA_ALOAD_1 43
310 #define ICMD_LSHRCONST 43 /* val.l = constant */
312 #define JAVA_ALOAD_2 44
313 #define ICMD_LUSHRCONST 44 /* val.l = constant */
315 #define JAVA_ALOAD_3 45
316 #define ICMD_LREMPOW2 45 /* val.l = constant */
318 #define JAVA_IALOAD 46
319 #define ICMD_IALOAD 46
321 #define JAVA_LALOAD 47
322 #define ICMD_LALOAD 47
324 #define JAVA_FALOAD 48
325 #define ICMD_FALOAD 48
327 #define JAVA_DALOAD 49
328 #define ICMD_DALOAD 49
330 #define JAVA_AALOAD 50
331 #define ICMD_AALOAD 50
333 #define JAVA_BALOAD 51
334 #define ICMD_BALOAD 51
336 #define JAVA_CALOAD 52
337 #define ICMD_CALOAD 52
339 #define JAVA_SALOAD 53
340 #define ICMD_SALOAD 53
342 /* order of STORE instructions must be*/
343 /* equal to order of TYPE_XXX defines */
344 #define JAVA_ISTORE 54
345 #define ICMD_ISTORE 54 /* op1 = local variable */
347 #define JAVA_LSTORE 55
348 #define ICMD_LSTORE 55 /* op1 = local variable */
350 #define JAVA_FSTORE 56
351 #define ICMD_FSTORE 56 /* op1 = local variable */
353 #define JAVA_DSTORE 57
354 #define ICMD_DSTORE 57 /* op1 = local variable */
356 #define JAVA_ASTORE 58
357 #define ICMD_ASTORE 58 /* op1 = local variable */
359 #define JAVA_ISTORE_0 59
360 #define ICMD_IF_LEQ 59 /* op1 = target JavaVM pc, val.l */
362 #define JAVA_ISTORE_1 60
363 #define ICMD_IF_LNE 60 /* op1 = target JavaVM pc, val.l */
365 #define JAVA_ISTORE_2 61
366 #define ICMD_IF_LLT 61 /* op1 = target JavaVM pc, val.l */
368 #define JAVA_ISTORE_3 62
369 #define ICMD_IF_LGE 62 /* op1 = target JavaVM pc, val.l */
371 #define JAVA_LSTORE_0 63
372 #define ICMD_IF_LGT 63 /* op1 = target JavaVM pc, val.l */
374 #define JAVA_LSTORE_1 64
375 #define ICMD_IF_LLE 64 /* op1 = target JavaVM pc, val.l */
377 #define JAVA_LSTORE_2 65
378 #define ICMD_IF_LCMPEQ 65 /* op1 = target JavaVM pc */
380 #define JAVA_LSTORE_3 66
381 #define ICMD_IF_LCMPNE 66 /* op1 = target JavaVM pc */
383 #define JAVA_FSTORE_0 67
384 #define ICMD_IF_LCMPLT 67 /* op1 = target JavaVM pc */
386 #define JAVA_FSTORE_1 68
387 #define ICMD_IF_LCMPGE 68 /* op1 = target JavaVM pc */
389 #define JAVA_FSTORE_2 69
390 #define ICMD_IF_LCMPGT 69 /* op1 = target JavaVM pc */
392 #define JAVA_FSTORE_3 70
393 #define ICMD_IF_LCMPLE 70 /* op1 = target JavaVM pc */
395 #define JAVA_DSTORE_0 71
397 #define JAVA_DSTORE_1 72
399 #define JAVA_DSTORE_2 73
401 #define JAVA_DSTORE_3 74
403 #define JAVA_ASTORE_0 75
405 #define JAVA_ASTORE_1 76
407 #define JAVA_ASTORE_2 77
409 #define JAVA_ASTORE_3 78
411 #define JAVA_IASTORE 79
412 #define ICMD_IASTORE 79
414 #define JAVA_LASTORE 80
415 #define ICMD_LASTORE 80
417 #define JAVA_FASTORE 81
418 #define ICMD_FASTORE 81
420 #define JAVA_DASTORE 82
421 #define ICMD_DASTORE 82
423 #define JAVA_AASTORE 83
424 #define ICMD_AASTORE 83
426 #define JAVA_BASTORE 84
427 #define ICMD_BASTORE 84
429 #define JAVA_CASTORE 85
430 #define ICMD_CASTORE 85
432 #define JAVA_SASTORE 86
433 #define ICMD_SASTORE 86
444 #define JAVA_DUP_X1 90
445 #define ICMD_DUP_X1 90
447 #define JAVA_DUP_X2 91
448 #define ICMD_DUP_X2 91
453 #define JAVA_DUP2_X1 93
454 #define ICMD_DUP2_X1 93
456 #define JAVA_DUP2_X2 94
457 #define ICMD_DUP2_X2 94
474 #define JAVA_ISUB 100
475 #define ICMD_ISUB 100
477 #define JAVA_LSUB 101
478 #define ICMD_LSUB 101
480 #define JAVA_FSUB 102
481 #define ICMD_FSUB 102
483 #define JAVA_DSUB 103
484 #define ICMD_DSUB 103
486 #define JAVA_IMUL 104
487 #define ICMD_IMUL 104
489 #define JAVA_LMUL 105
490 #define ICMD_LMUL 105
492 #define JAVA_FMUL 106
493 #define ICMD_FMUL 106
495 #define JAVA_DMUL 107
496 #define ICMD_DMUL 107
498 #define JAVA_IDIV 108
499 #define ICMD_IDIV 108
501 #define JAVA_LDIV 109
502 #define ICMD_LDIV 109
504 #define JAVA_FDIV 110
505 #define ICMD_FDIV 110
507 #define JAVA_DDIV 111
508 #define ICMD_DDIV 111
510 #define JAVA_IREM 112
511 #define ICMD_IREM 112
513 #define JAVA_LREM 113
514 #define ICMD_LREM 113
516 #define JAVA_FREM 114
517 #define ICMD_FREM 114
519 #define JAVA_DREM 115
520 #define ICMD_DREM 115
522 #define JAVA_INEG 116
523 #define ICMD_INEG 116
525 #define JAVA_LNEG 117
526 #define ICMD_LNEG 117
528 #define JAVA_FNEG 118
529 #define ICMD_FNEG 118
531 #define JAVA_DNEG 119
532 #define ICMD_DNEG 119
534 #define JAVA_ISHL 120
535 #define ICMD_ISHL 120
537 #define JAVA_LSHL 121
538 #define ICMD_LSHL 121
540 #define JAVA_ISHR 122
541 #define ICMD_ISHR 122
543 #define JAVA_LSHR 123
544 #define ICMD_LSHR 123
546 #define JAVA_IUSHR 124
547 #define ICMD_IUSHR 124
549 #define JAVA_LUSHR 125
550 #define ICMD_LUSHR 125
552 #define JAVA_IAND 126
553 #define ICMD_IAND 126
555 #define JAVA_LAND 127
556 #define ICMD_LAND 127
564 #define JAVA_IXOR 130
565 #define ICMD_IXOR 130
567 #define JAVA_LXOR 131
568 #define ICMD_LXOR 131
570 #define JAVA_IINC 132
571 #define ICMD_IINC 132 /* op1 = local variable, val.i = constant */
609 #define JAVA_INT2BYTE 145
610 #define ICMD_INT2BYTE 145
612 #define JAVA_INT2CHAR 146
613 #define ICMD_INT2CHAR 146
615 #define JAVA_INT2SHORT 147
616 #define ICMD_INT2SHORT 147
618 #define JAVA_LCMP 148
619 #define ICMD_LCMP 148
621 #define JAVA_FCMPL 149
622 #define ICMD_FCMPL 149
624 #define JAVA_FCMPG 150
625 #define ICMD_FCMPG 150
627 #define JAVA_DCMPL 151
628 #define ICMD_DCMPL 151
630 #define JAVA_DCMPG 152
631 #define ICMD_DCMPG 152
633 #define JAVA_IFEQ 153
634 #define ICMD_IFEQ 153 /* op1 = target JavaVM pc, val.i */
636 #define JAVA_IFNE 154
637 #define ICMD_IFNE 154 /* op1 = target JavaVM pc, val.i */
639 #define JAVA_IFLT 155
640 #define ICMD_IFLT 155 /* op1 = target JavaVM pc, val.i */
642 #define JAVA_IFGE 156
643 #define ICMD_IFGE 156 /* op1 = target JavaVM pc, val.i */
645 #define JAVA_IFGT 157
646 #define ICMD_IFGT 157 /* op1 = target JavaVM pc, val.i */
648 #define JAVA_IFLE 158
649 #define ICMD_IFLE 158 /* op1 = target JavaVM pc, val.i */
651 #define JAVA_IF_ICMPEQ 159
652 #define ICMD_IF_ICMPEQ 159 /* op1 = target JavaVM pc */
654 #define JAVA_IF_ICMPNE 160
655 #define ICMD_IF_ICMPNE 160 /* op1 = target JavaVM pc */
657 #define JAVA_IF_ICMPLT 161
658 #define ICMD_IF_ICMPLT 161 /* op1 = target JavaVM pc */
660 #define JAVA_IF_ICMPGE 162
661 #define ICMD_IF_ICMPGE 162 /* op1 = target JavaVM pc */
663 #define JAVA_IF_ICMPGT 163
664 #define ICMD_IF_ICMPGT 163 /* op1 = target JavaVM pc */
666 #define JAVA_IF_ICMPLE 164
667 #define ICMD_IF_ICMPLE 164 /* op1 = target JavaVM pc */
669 #define JAVA_IF_ACMPEQ 165
670 #define ICMD_IF_ACMPEQ 165 /* op1 = target JavaVM pc */
672 #define JAVA_IF_ACMPNE 166
673 #define ICMD_IF_ACMPNE 166 /* op1 = target JavaVM pc */
675 #define JAVA_GOTO 167
676 #define ICMD_GOTO 167 /* op1 = target JavaVM pc */
679 #define ICMD_JSR 168 /* op1 = target JavaVM pc */
682 #define ICMD_RET 169 /* op1 = local variable */
684 #define JAVA_TABLESWITCH 170
685 #define ICMD_TABLESWITCH 170 /* val.a = pointer to s4 table */
686 /* length must be computed */
687 #define JAVA_LOOKUPSWITCH 171
688 #define ICMD_LOOKUPSWITCH 171 /* val.a = pointer to s4 table */
689 /* length must be computed */
690 #define JAVA_IRETURN 172
691 #define ICMD_IRETURN 172
693 #define JAVA_LRETURN 173
694 #define ICMD_LRETURN 173
696 #define JAVA_FRETURN 174
697 #define ICMD_FRETURN 174
699 #define JAVA_DRETURN 175
700 #define ICMD_DRETURN 175
702 #define JAVA_ARETURN 176
703 #define ICMD_ARETURN 176
705 #define JAVA_RETURN 177
706 #define ICMD_RETURN 177
708 #define JAVA_GETSTATIC 178
709 #define ICMD_GETSTATIC 178 /* op1 = type, val.a = field address */
711 #define JAVA_PUTSTATIC 179
712 #define ICMD_PUTSTATIC 179 /* op1 = type, val.a = field address */
714 #define JAVA_GETFIELD 180
715 #define ICMD_GETFIELD 180 /* op1 = type, val.i = field offset */
717 #define JAVA_PUTFIELD 181
718 #define ICMD_PUTFIELD 181 /* op1 = type, val.i = field offset */
720 #define JAVA_INVOKEVIRTUAL 182
721 #define ICMD_INVOKEVIRTUAL 182 /* val.a = method info pointer */
723 #define JAVA_INVOKESPECIAL 183
724 #define ICMD_INVOKESPECIAL 183 /* val.a = method info pointer */
726 #define JAVA_INVOKESTATIC 184
727 #define ICMD_INVOKESTATIC 184 /* val.a = method info pointer */
729 #define JAVA_INVOKEINTERFACE 185
730 #define ICMD_INVOKEINTERFACE 185 /* val.a = method info pointer */
732 #define ICMD_CHECKASIZE 186 /* */
735 #define ICMD_NEW 187 /* op1 = 1, val.a = class pointer */
737 #define JAVA_NEWARRAY 188
738 #define ICMD_NEWARRAY 188 /* op1 = basic type */
740 #define JAVA_ANEWARRAY 189
741 #define ICMD_ANEWARRAY 189 /* op1 = 0, val.a = array pointer */
742 /* op1 = 1, val.a = class pointer */
743 #define JAVA_ARRAYLENGTH 190
744 #define ICMD_ARRAYLENGTH 190
746 #define JAVA_ATHROW 191
747 #define ICMD_ATHROW 191
749 #define JAVA_CHECKCAST 192
750 #define ICMD_CHECKCAST 192 /* op1 = 0, val.a = array pointer */
751 /* op1 = 1, val.a = class pointer */
752 #define JAVA_INSTANCEOF 193
753 #define ICMD_INSTANCEOF 193 /* op1 = 0, val.a = array pointer */
754 /* op1 = 1, val.a = class pointer */
755 #define JAVA_MONITORENTER 194
756 #define ICMD_MONITORENTER 194
758 #define JAVA_MONITOREXIT 195
759 #define ICMD_MONITOREXIT 195
761 #define JAVA_WIDE 196
763 #define JAVA_MULTIANEWARRAY 197
764 #define ICMD_MULTIANEWARRAY 197 /* op1 = dimension, val.a = array */
766 #define JAVA_IFNULL 198
767 #define ICMD_IFNULL 198 /* op1 = target JavaVM pc */
769 #define JAVA_IFNONNULL 199
770 #define ICMD_IFNONNULL 199 /* op1 = target JavaVM pc */
772 #define JAVA_GOTO_W 200
774 #define JAVA_JSR_W 201
776 #define JAVA_BREAKPOINT 202
778 #define ICMD_CHECKEXCEPTION 203 /* check for an exception */
780 #define ICMD_IASTORECONST 204
782 #define ICMD_LASTORECONST 205
784 #define ICMD_FASTORECONST 206
786 #define ICMD_DASTORECONST 207
788 #define ICMD_AASTORECONST 208
790 #define ICMD_BASTORECONST 209
792 #define ICMD_CASTORECONST 210
794 #define ICMD_SASTORECONST 211
796 #define ICMD_PUTSTATICCONST 212
798 #define ICMD_PUTFIELDCONST 213
800 #define ICMD_IMULPOW2 214
802 #define ICMD_LMULPOW2 215
804 #define ICMD_INLINE_START 251 /* instruction before inlined method */
805 #define ICMD_INLINE_END 252 /* instruction after inlined method */
807 #define ICMD_BUILTIN 255 /* internal opcode */
809 #define ICMD_READONLY_ARG 1024 /* used for inlining, opcodes 1024-1028 are used */
810 #define ICMD_CLEAR_ARGREN 1029 /* indicates the start of a new inlined method argument renaming must be reset */
813 /******************* description of JavaVM instructions ***********************/
817 /***************************** register types *********************************/
819 #define REG_RES 0 /* reserved register for OS or code generator */
820 #define REG_RET 1 /* return value register */
821 #define REG_EXC 2 /* exception value register */
822 #define REG_SAV 3 /* (callee) saved register */
823 #define REG_TMP 4 /* scratch temporary register (caller saved) */
824 #define REG_ARG 5 /* argument register (caller saved) */
826 #define REG_END -1 /* last entry in tables */
828 #define PARAMMODE_NUMBERED 0
829 #define PARAMMODE_STUFFED 1
832 /***************************** register info block ****************************/
834 extern int stackreq[256];
837 /* function prototypes ********************************************************/
839 functionptr jit_compile(methodinfo *m); /* compile a method with jit compiler */
841 void jit_init(); /* compiler initialisation */
842 void jit_close(); /* compiler finalisation */
844 void compile_all_class_methods(classinfo *c);
850 * These are local overrides for various environment variables in Emacs.
851 * Please do not remove this and leave it at the end of the file, where
852 * Emacs will automagically detect them.
853 * ---------------------------------------------------------------------
856 * indent-tabs-mode: t