1 /* jit/jit.h - code generation header
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: Andreas Krall
30 Changes: Christian Thalinger
32 $Id: jit.h 727 2003-12-11 10:52:40Z edwin $
40 #include "toolbox/chain.h"
45 /**************************** resolve typedef-cycles **************************/
47 typedef struct stackelement stackelement;
48 typedef stackelement *stackptr;
49 typedef struct basicblock basicblock;
50 typedef struct instruction instruction;
51 typedef struct subroutineinfo subroutineinfo;
52 typedef struct varinfo varinfo;
53 typedef struct branchref branchref;
54 typedef struct jumpref jumpref;
55 typedef struct dataref dataref;
56 typedef varinfo *varinfoptr;
60 /************************** stack element structure ***************************/
64 /* XXX unified these with longer names. Maybe someday use only
65 * one set of names? -Edwin
67 /*#define TYPE_INT 0*/ /* the stack slot types must numbered in the */
68 #define TYPE_LNG TYPE_LONG /*1*/ /* same order as the ICMD_Ixxx to ICMD_Axxx */
69 #define TYPE_FLT TYPE_FLOAT /*2*/ /* instructions (LOAD and STORE) */
70 #define TYPE_DBL TYPE_DOUBLE /*3*/ /* integer, long, float, double, address */
71 #define TYPE_ADR TYPE_ADDRESS /*4*/
73 #define IS_INT_LNG_TYPE(a) (!((a)&TYPE_FLT))
74 #define IS_FLT_DBL_TYPE(a) ((a)&TYPE_FLT)
75 #define IS_2_WORD_TYPE(a) ((a)&TYPE_LNG)
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 */
86 #define UNDEFVAR 0 /* stack slot will become temp during regalloc*/
87 #define TEMPVAR 1 /* stack slot is temp register */
88 #define STACKVAR 2 /* stack slot is numbered stack slot */
89 #define LOCALVAR 3 /* stack slot is local variable */
90 #define ARGVAR 4 /* stack slot is argument variable */
94 stackptr prev; /* pointer to next element towards bottom */
95 int type; /* slot type of stack element */
96 #ifdef CACAO_TYPECHECK
97 typeinfo typeinfo; /* info on reference types */
99 int flags; /* flags (SAVED, INMEMORY) */
100 int varkind; /* kind of variable or register */
101 int varnum; /* number of variable */
102 int regoff; /* register number or memory offset */
106 /**************************** instruction structure ***************************/
109 stackptr dst; /* stack index of destination operand stack */
110 u2 opc; /* opcode of intermediate code command */
111 s4 op1; /* first operand, usually variable number */
114 s4 i; /* integer operand */
115 s8 l; /* long operand */
116 float f; /* float operand */
117 double d; /* double operand */
118 void *a; /* address operand */
119 } val; /* immediate constant */
121 void *target; /* used for targets of branches and jumps */
122 /* and as address for list of targets for */
127 /**************************** basic block structure ***************************/
135 #define BBTYPECHECK_UNDEF 2
136 #define BBTYPECHECK_REACHED 3
138 #define BBTYPE_STD 0 /* standard basic block type */
139 #define BBTYPE_EXH 1 /* exception handler basic block type */
140 #define BBTYPE_SBR 2 /* subroutine basic block type */
143 int flags; /* used during stack analysis, init with -1 */
144 int type; /* basic block type (std, xhandler, subroutine*/
145 instruction *iinstr; /* pointer to intermediate code instructions */
146 int icount; /* number of intermediate code instructions */
147 int mpc; /* machine code pc at start of block */
148 stackptr instack; /* stack at begin of basic block */
149 stackptr outstack; /* stack at end of basic block */
150 int indepth; /* stack depth at begin of basic block */
151 int outdepth; /* stack depth end of basic block */
152 int pre_count; /* count of predecessor basic blocks */
153 branchref *branchrefs; /* list of branches to be patched */
155 basicblock *next; /* used to build a BB list (instead of array) */
156 int lflags; /* used during loop copying, init with 0 */
157 basicblock *copied_to; /* points to the copy of this basic block */
158 /* when loop nodes are copied */
163 /************************* pseudo variable structure **************************/
166 int type; /* basic type of variable */
167 int flags; /* flags (SAVED, INMEMORY) */
168 int regoff; /* register number or memory offset */
171 typedef varinfo varinfo5[5];
174 /***************** forward references in branch instructions ******************/
177 s4 branchpos; /* patching position in code segment */
178 branchref *next; /* next element in branchref list */
182 /******************** forward references in tables ***************************/
185 s4 tablepos; /* patching position in data segment */
186 basicblock *target; /* target basic block */
187 jumpref *next; /* next element in jumpref list */
192 u1 *pos; /* patching position in generated code */
193 dataref *next; /* next element in dataref list */
197 /********** JavaVM operation codes (sorted) and instruction lengths ***********/
199 extern char *icmd_names[256];
200 extern char *opcode_names[256];
201 extern int jcommandsize[256];
206 #define JAVA_ACONST_NULL 1
207 #define ICMD_ACONST 1 /* val.a = constant */
209 #define JAVA_ICONST_M1 2
210 #define ICMD_NULLCHECKPOP 2
212 #define JAVA_ICONST_0 3
213 #define ICMD_ICONST 3 /* val.i = constant */
215 #define JAVA_ICONST_1 4
216 #define ICMD_IREM0X10001 4
218 #define JAVA_ICONST_2 5
219 #define ICMD_IDIVPOW2 5 /* val.i = constant */
221 #define JAVA_ICONST_3 6
222 #define ICMD_LDIVPOW2 6 /* val.l = constant */
224 #define JAVA_ICONST_4 7
226 #define JAVA_ICONST_5 8
227 #define ICMD_LREM0X10001 8
229 #define JAVA_LCONST_0 9
230 #define ICMD_LCONST 9 /* val.l = constant */
232 #define JAVA_LCONST_1 10
233 #define ICMD_LCMPCONST 10 /* val.l = constant */
235 #define JAVA_FCONST_0 11
236 #define ICMD_FCONST 11 /* val.f = constant */
238 #define JAVA_FCONST_1 12
240 #define JAVA_FCONST_2 13
241 #define ICMD_ELSE_ICONST 13
243 #define JAVA_DCONST_0 14
244 #define ICMD_DCONST 14 /* val.d = constant */
246 #define JAVA_DCONST_1 15
247 #define ICMD_IFEQ_ICONST 15
249 #define JAVA_BIPUSH 16
250 #define ICMD_IFNE_ICONST 16
252 #define JAVA_SIPUSH 17
253 #define ICMD_IFLT_ICONST 17
256 #define ICMD_IFGE_ICONST 18
259 #define ICMD_IFGT_ICONST 19
261 #define JAVA_LDC2W 20
262 #define ICMD_IFLE_ICONST 20
264 /* order of LOAD instructions must be */
265 /* equal to order of TYPE_XXX defines */
266 #define JAVA_ILOAD 21
267 #define ICMD_ILOAD 21 /* op1 = local variable */
269 #define JAVA_LLOAD 22
270 #define ICMD_LLOAD 22 /* op1 = local variable */
272 #define JAVA_FLOAD 23
273 #define ICMD_FLOAD 23 /* op1 = local variable */
275 #define JAVA_DLOAD 24
276 #define ICMD_DLOAD 24 /* op1 = local variable */
278 #define JAVA_ALOAD 25
279 #define ICMD_ALOAD 25 /* op1 = local variable */
281 #define JAVA_ILOAD_0 26
282 #define ICMD_IADDCONST 26 /* val.i = constant */
284 #define JAVA_ILOAD_1 27
285 #define ICMD_ISUBCONST 27 /* val.i = constant */
287 #define JAVA_ILOAD_2 28
288 #define ICMD_IMULCONST 28 /* val.i = constant */
290 #define JAVA_ILOAD_3 29
291 #define ICMD_IANDCONST 29 /* val.i = constant */
293 #define JAVA_LLOAD_0 30
294 #define ICMD_IORCONST 30 /* val.i = constant */
296 #define JAVA_LLOAD_1 31
297 #define ICMD_IXORCONST 31 /* val.i = constant */
299 #define JAVA_LLOAD_2 32
300 #define ICMD_ISHLCONST 32 /* val.i = constant */
302 #define JAVA_LLOAD_3 33
303 #define ICMD_ISHRCONST 33 /* val.i = constant */
305 #define JAVA_FLOAD_0 34
306 #define ICMD_IUSHRCONST 34 /* val.i = constant */
308 #define JAVA_FLOAD_1 35
309 #define ICMD_IREMPOW2 35 /* val.i = constant */
311 #define JAVA_FLOAD_2 36
312 #define ICMD_LADDCONST 36 /* val.l = constant */
314 #define JAVA_FLOAD_3 37
315 #define ICMD_LSUBCONST 37 /* val.l = constant */
317 #define JAVA_DLOAD_0 38
318 #define ICMD_LMULCONST 38 /* val.l = constant */
320 #define JAVA_DLOAD_1 39
321 #define ICMD_LANDCONST 39 /* val.l = constant */
323 #define JAVA_DLOAD_2 40
324 #define ICMD_LORCONST 40 /* val.l = constant */
326 #define JAVA_DLOAD_3 41
327 #define ICMD_LXORCONST 41 /* val.l = constant */
329 #define JAVA_ALOAD_0 42
330 #define ICMD_LSHLCONST 42 /* val.l = constant */
332 #define JAVA_ALOAD_1 43
333 #define ICMD_LSHRCONST 43 /* val.l = constant */
335 #define JAVA_ALOAD_2 44
336 #define ICMD_LUSHRCONST 44 /* val.l = constant */
338 #define JAVA_ALOAD_3 45
339 #define ICMD_LREMPOW2 45 /* val.l = constant */
341 #define JAVA_IALOAD 46
342 #define ICMD_IALOAD 46
344 #define JAVA_LALOAD 47
345 #define ICMD_LALOAD 47
347 #define JAVA_FALOAD 48
348 #define ICMD_FALOAD 48
350 #define JAVA_DALOAD 49
351 #define ICMD_DALOAD 49
353 #define JAVA_AALOAD 50
354 #define ICMD_AALOAD 50
356 #define JAVA_BALOAD 51
357 #define ICMD_BALOAD 51
359 #define JAVA_CALOAD 52
360 #define ICMD_CALOAD 52
362 #define JAVA_SALOAD 53
363 #define ICMD_SALOAD 53
365 /* order of STORE instructions must be*/
366 /* equal to order of TYPE_XXX defines */
367 #define JAVA_ISTORE 54
368 #define ICMD_ISTORE 54 /* op1 = local variable */
370 #define JAVA_LSTORE 55
371 #define ICMD_LSTORE 55 /* op1 = local variable */
373 #define JAVA_FSTORE 56
374 #define ICMD_FSTORE 56 /* op1 = local variable */
376 #define JAVA_DSTORE 57
377 #define ICMD_DSTORE 57 /* op1 = local variable */
379 #define JAVA_ASTORE 58
380 #define ICMD_ASTORE 58 /* op1 = local variable */
382 #define JAVA_ISTORE_0 59
383 #define ICMD_IF_LEQ 59 /* op1 = target JavaVM pc, val.l */
385 #define JAVA_ISTORE_1 60
386 #define ICMD_IF_LNE 60 /* op1 = target JavaVM pc, val.l */
388 #define JAVA_ISTORE_2 61
389 #define ICMD_IF_LLT 61 /* op1 = target JavaVM pc, val.l */
391 #define JAVA_ISTORE_3 62
392 #define ICMD_IF_LGE 62 /* op1 = target JavaVM pc, val.l */
394 #define JAVA_LSTORE_0 63
395 #define ICMD_IF_LGT 63 /* op1 = target JavaVM pc, val.l */
397 #define JAVA_LSTORE_1 64
398 #define ICMD_IF_LLE 64 /* op1 = target JavaVM pc, val.l */
400 #define JAVA_LSTORE_2 65
401 #define ICMD_IF_LCMPEQ 65 /* op1 = target JavaVM pc */
403 #define JAVA_LSTORE_3 66
404 #define ICMD_IF_LCMPNE 66 /* op1 = target JavaVM pc */
406 #define JAVA_FSTORE_0 67
407 #define ICMD_IF_LCMPLT 67 /* op1 = target JavaVM pc */
409 #define JAVA_FSTORE_1 68
410 #define ICMD_IF_LCMPGE 68 /* op1 = target JavaVM pc */
412 #define JAVA_FSTORE_2 69
413 #define ICMD_IF_LCMPGT 69 /* op1 = target JavaVM pc */
415 #define JAVA_FSTORE_3 70
416 #define ICMD_IF_LCMPLE 70 /* op1 = target JavaVM pc */
418 #define JAVA_DSTORE_0 71
420 #define JAVA_DSTORE_1 72
422 #define JAVA_DSTORE_2 73
424 #define JAVA_DSTORE_3 74
426 #define JAVA_ASTORE_0 75
428 #define JAVA_ASTORE_1 76
430 #define JAVA_ASTORE_2 77
432 #define JAVA_ASTORE_3 78
434 #define JAVA_IASTORE 79
435 #define ICMD_IASTORE 79
437 #define JAVA_LASTORE 80
438 #define ICMD_LASTORE 80
440 #define JAVA_FASTORE 81
441 #define ICMD_FASTORE 81
443 #define JAVA_DASTORE 82
444 #define ICMD_DASTORE 82
446 #define JAVA_AASTORE 83
447 #define ICMD_AASTORE 83
449 #define JAVA_BASTORE 84
450 #define ICMD_BASTORE 84
452 #define JAVA_CASTORE 85
453 #define ICMD_CASTORE 85
455 #define JAVA_SASTORE 86
456 #define ICMD_SASTORE 86
467 #define JAVA_DUP_X1 90
468 #define ICMD_DUP_X1 90
470 #define JAVA_DUP_X2 91
471 #define ICMD_DUP_X2 91
476 #define JAVA_DUP2_X1 93
477 #define ICMD_DUP2_X1 93
479 #define JAVA_DUP2_X2 94
480 #define ICMD_DUP2_X2 94
497 #define JAVA_ISUB 100
498 #define ICMD_ISUB 100
500 #define JAVA_LSUB 101
501 #define ICMD_LSUB 101
503 #define JAVA_FSUB 102
504 #define ICMD_FSUB 102
506 #define JAVA_DSUB 103
507 #define ICMD_DSUB 103
509 #define JAVA_IMUL 104
510 #define ICMD_IMUL 104
512 #define JAVA_LMUL 105
513 #define ICMD_LMUL 105
515 #define JAVA_FMUL 106
516 #define ICMD_FMUL 106
518 #define JAVA_DMUL 107
519 #define ICMD_DMUL 107
521 #define JAVA_IDIV 108
522 #define ICMD_IDIV 108
524 #define JAVA_LDIV 109
525 #define ICMD_LDIV 109
527 #define JAVA_FDIV 110
528 #define ICMD_FDIV 110
530 #define JAVA_DDIV 111
531 #define ICMD_DDIV 111
533 #define JAVA_IREM 112
534 #define ICMD_IREM 112
536 #define JAVA_LREM 113
537 #define ICMD_LREM 113
539 #define JAVA_FREM 114
540 #define ICMD_FREM 114
542 #define JAVA_DREM 115
543 #define ICMD_DREM 115
545 #define JAVA_INEG 116
546 #define ICMD_INEG 116
548 #define JAVA_LNEG 117
549 #define ICMD_LNEG 117
551 #define JAVA_FNEG 118
552 #define ICMD_FNEG 118
554 #define JAVA_DNEG 119
555 #define ICMD_DNEG 119
557 #define JAVA_ISHL 120
558 #define ICMD_ISHL 120
560 #define JAVA_LSHL 121
561 #define ICMD_LSHL 121
563 #define JAVA_ISHR 122
564 #define ICMD_ISHR 122
566 #define JAVA_LSHR 123
567 #define ICMD_LSHR 123
569 #define JAVA_IUSHR 124
570 #define ICMD_IUSHR 124
572 #define JAVA_LUSHR 125
573 #define ICMD_LUSHR 125
575 #define JAVA_IAND 126
576 #define ICMD_IAND 126
578 #define JAVA_LAND 127
579 #define ICMD_LAND 127
587 #define JAVA_IXOR 130
588 #define ICMD_IXOR 130
590 #define JAVA_LXOR 131
591 #define ICMD_LXOR 131
593 #define JAVA_IINC 132
594 #define ICMD_IINC 132 /* op1 = local variable, val.i = constant */
632 #define JAVA_INT2BYTE 145
633 #define ICMD_INT2BYTE 145
635 #define JAVA_INT2CHAR 146
636 #define ICMD_INT2CHAR 146
638 #define JAVA_INT2SHORT 147
639 #define ICMD_INT2SHORT 147
641 #define JAVA_LCMP 148
642 #define ICMD_LCMP 148
644 #define JAVA_FCMPL 149
645 #define ICMD_FCMPL 149
647 #define JAVA_FCMPG 150
648 #define ICMD_FCMPG 150
650 #define JAVA_DCMPL 151
651 #define ICMD_DCMPL 151
653 #define JAVA_DCMPG 152
654 #define ICMD_DCMPG 152
656 #define JAVA_IFEQ 153
657 #define ICMD_IFEQ 153 /* op1 = target JavaVM pc, val.i */
659 #define JAVA_IFNE 154
660 #define ICMD_IFNE 154 /* op1 = target JavaVM pc, val.i */
662 #define JAVA_IFLT 155
663 #define ICMD_IFLT 155 /* op1 = target JavaVM pc, val.i */
665 #define JAVA_IFGE 156
666 #define ICMD_IFGE 156 /* op1 = target JavaVM pc, val.i */
668 #define JAVA_IFGT 157
669 #define ICMD_IFGT 157 /* op1 = target JavaVM pc, val.i */
671 #define JAVA_IFLE 158
672 #define ICMD_IFLE 158 /* op1 = target JavaVM pc, val.i */
674 #define JAVA_IF_ICMPEQ 159
675 #define ICMD_IF_ICMPEQ 159 /* op1 = target JavaVM pc */
677 #define JAVA_IF_ICMPNE 160
678 #define ICMD_IF_ICMPNE 160 /* op1 = target JavaVM pc */
680 #define JAVA_IF_ICMPLT 161
681 #define ICMD_IF_ICMPLT 161 /* op1 = target JavaVM pc */
683 #define JAVA_IF_ICMPGE 162
684 #define ICMD_IF_ICMPGE 162 /* op1 = target JavaVM pc */
686 #define JAVA_IF_ICMPGT 163
687 #define ICMD_IF_ICMPGT 163 /* op1 = target JavaVM pc */
689 #define JAVA_IF_ICMPLE 164
690 #define ICMD_IF_ICMPLE 164 /* op1 = target JavaVM pc */
692 #define JAVA_IF_ACMPEQ 165
693 #define ICMD_IF_ACMPEQ 165 /* op1 = target JavaVM pc */
695 #define JAVA_IF_ACMPNE 166
696 #define ICMD_IF_ACMPNE 166 /* op1 = target JavaVM pc */
698 #define JAVA_GOTO 167
699 #define ICMD_GOTO 167 /* op1 = target JavaVM pc */
702 #define ICMD_JSR 168 /* op1 = target JavaVM pc */
705 #define ICMD_RET 169 /* op1 = local variable */
707 #define JAVA_TABLESWITCH 170
708 #define ICMD_TABLESWITCH 170 /* val.a = pointer to s4 table */
709 /* length must be computed */
710 #define JAVA_LOOKUPSWITCH 171
711 #define ICMD_LOOKUPSWITCH 171 /* val.a = pointer to s4 table */
712 /* length must be computed */
713 #define JAVA_IRETURN 172
714 #define ICMD_IRETURN 172
716 #define JAVA_LRETURN 173
717 #define ICMD_LRETURN 173
719 #define JAVA_FRETURN 174
720 #define ICMD_FRETURN 174
722 #define JAVA_DRETURN 175
723 #define ICMD_DRETURN 175
725 #define JAVA_ARETURN 176
726 #define ICMD_ARETURN 176
728 #define JAVA_RETURN 177
729 #define ICMD_RETURN 177
731 #define JAVA_GETSTATIC 178
732 #define ICMD_GETSTATIC 178 /* op1 = type, val.a = field address */
734 #define JAVA_PUTSTATIC 179
735 #define ICMD_PUTSTATIC 179 /* op1 = type, val.a = field address */
737 #define JAVA_GETFIELD 180
738 #define ICMD_GETFIELD 180 /* op1 = type, val.i = field offset */
740 #define JAVA_PUTFIELD 181
741 #define ICMD_PUTFIELD 181 /* op1 = type, val.i = field offset */
743 #define JAVA_INVOKEVIRTUAL 182
744 #define ICMD_INVOKEVIRTUAL 182 /* val.a = method info pointer */
746 #define JAVA_INVOKESPECIAL 183
747 #define ICMD_INVOKESPECIAL 183 /* val.a = method info pointer */
749 #define JAVA_INVOKESTATIC 184
750 #define ICMD_INVOKESTATIC 184 /* val.a = method info pointer */
752 #define JAVA_INVOKEINTERFACE 185
753 #define ICMD_INVOKEINTERFACE 185 /* val.a = method info pointer */
755 #define ICMD_CHECKASIZE 186 /* */
758 #define ICMD_NEW 187 /* op1 = 1, val.a = class pointer */
760 #define JAVA_NEWARRAY 188
761 #define ICMD_NEWARRAY 188 /* op1 = basic type */
763 #define JAVA_ANEWARRAY 189
764 #define ICMD_ANEWARRAY 189 /* op1 = 0, val.a = array pointer */
765 /* op1 = 1, val.a = class pointer */
766 #define JAVA_ARRAYLENGTH 190
767 #define ICMD_ARRAYLENGTH 190
769 #define JAVA_ATHROW 191
770 #define ICMD_ATHROW 191
772 #define JAVA_CHECKCAST 192
773 #define ICMD_CHECKCAST 192 /* op1 = 0, val.a = array pointer */
774 /* op1 = 1, val.a = class pointer */
775 #define JAVA_INSTANCEOF 193
776 #define ICMD_INSTANCEOF 193 /* op1 = 0, val.a = array pointer */
777 /* op1 = 1, val.a = class pointer */
778 #define JAVA_MONITORENTER 194
779 #define ICMD_MONITORENTER 194
781 #define JAVA_MONITOREXIT 195
782 #define ICMD_MONITOREXIT 195
784 #define JAVA_WIDE 196
786 #define JAVA_MULTIANEWARRAY 197
787 #define ICMD_MULTIANEWARRAY 197 /* op1 = dimension, val.a = array */
789 #define JAVA_IFNULL 198
790 #define ICMD_IFNULL 198 /* op1 = target JavaVM pc */
792 #define JAVA_IFNONNULL 199
793 #define ICMD_IFNONNULL 199 /* op1 = target JavaVM pc */
795 #define JAVA_GOTO_W 200
797 #define JAVA_JSR_W 201
799 #define JAVA_BREAKPOINT 202
802 #define ICMD_BUILTIN3 253 /* internal opcode */
803 #define ICMD_BUILTIN2 254 /* internal opcode */
804 #define ICMD_BUILTIN1 255 /* internal opcode */
805 #define ICMD_READONLY_ARG 1024 /* used for inlining, opcodes 1024-1028 are used */
806 #define ICMD_CLEAR_ARGREN 1029 /* indicates the start of a new inlined method argument renaming must be reset */
809 /******************* description of JavaVM instructions ***********************/
811 #if defined(USEBUILTINTABLE)
827 extern stdopdescriptor builtintable[];
829 stdopdescriptor *find_builtin(int icmd);
832 builtin_descriptor *find_builtin(int opcode);
834 #endif /* USEBUILTINTABLE */
837 /***************************** register types *********************************/
839 #define REG_RES 0 /* reserved register for OS or code generator */
840 #define REG_RET 1 /* return value register */
841 #define REG_EXC 2 /* exception value register */
842 #define REG_SAV 3 /* (callee) saved register */
843 #define REG_TMP 4 /* scratch temporary register (caller saved) */
844 #define REG_ARG 5 /* argument register (caller saved) */
846 #define REG_END -1 /* last entry in tables */
848 #define PARAMMODE_NUMBERED 0
849 #define PARAMMODE_STUFFED 1
852 /***************************** register info block ****************************/
854 extern int nregdescint[]; /* description of integer registers */
855 extern int nregdescfloat[]; /* description of floating point registers */
857 extern int nreg_parammode;
860 /* compiler switches (set by main function) ***********************************/
862 extern bool runverbose; /* trace all method invocation */
863 extern bool compileverbose; /* trace compiler actions */
864 extern bool showdisassemble; /* generate disassembler listing */
865 extern bool showddatasegment; /* generate data segment listing */
866 extern bool showintermediate; /* generate intermediate code listing */
867 extern int optimizelevel; /* optimzation level (0 = no optimization) */
869 extern bool useinlining; /* use method inlining */
870 extern bool inlinevirtuals; /* inline unique virtual methods */
871 extern bool inlineexceptions; /* inline methods, that contain excptions */
872 extern bool inlineparamopt; /* optimize parameter passing to inlined methods */
873 extern bool inlineoutsiders; /* inline methods, that are not member of the invoker's class */
876 extern bool checkbounds; /* check array bounds */
877 extern bool opt_loops; /* optimize array accesses in loops */
878 extern bool checknull; /* check null pointers */
879 extern bool opt_noieee; /* don't implement ieee compliant floats */
880 extern bool checksync; /* do synchronization */
882 extern bool getcompilingtime; /* compute compile time */
883 extern long compilingtime; /* accumulated compile time */
885 extern int has_ext_instr_set; /* has instruction set extensions */
887 extern bool statistics;
889 extern int count_jit_calls;
890 extern int count_methods;
891 extern int count_spills;
892 extern int count_pcmd_activ;
893 extern int count_pcmd_drop;
894 extern int count_pcmd_zero;
895 extern int count_pcmd_const_store;
896 extern int count_pcmd_const_alu;
897 extern int count_pcmd_const_bra;
898 extern int count_pcmd_load;
899 extern int count_pcmd_move;
900 extern int count_load_instruction;
901 extern int count_pcmd_store;
902 extern int count_pcmd_store_comb;
903 extern int count_dup_instruction;
904 extern int count_pcmd_op;
905 extern int count_pcmd_mem;
906 extern int count_pcmd_met;
907 extern int count_pcmd_bra;
908 extern int count_pcmd_table;
909 extern int count_pcmd_return;
910 extern int count_pcmd_returnx;
911 extern int count_check_null;
912 extern int count_check_bound;
913 extern int count_max_basic_blocks;
914 extern int count_basic_blocks;
915 extern int count_max_javainstr;
916 extern int count_javainstr;
917 extern int count_javacodesize;
918 extern int count_javaexcsize;
919 extern int count_calls;
920 extern int count_tryblocks;
921 extern int count_code_len;
922 extern int count_data_len;
923 extern int count_cstub_len;
924 extern int count_nstub_len;
925 extern int count_max_new_stack;
926 extern int count_upper_bound_new_stack;
927 extern int *count_block_stack;
928 extern int *count_analyse_iterations;
929 extern int *count_method_bb_distribution;
930 extern int *count_block_size_distribution;
931 extern int *count_store_length;
932 extern int *count_store_depth;
935 /* global compiler variables */
937 extern classinfo *class; /* class the compiled method belongs to */
938 extern methodinfo *method; /* pointer to method info of compiled method */
939 extern int mparamcount; /* number of parameters (incl. this) */
940 extern u1 *mparamtypes; /* types of all parameters (TYPE_INT, ...) */
942 extern int maxstack; /* maximal JavaVM stack size */
943 extern int maxlocals; /* maximal number of local JavaVM variables */
944 extern int jcodelength; /* length of JavaVM-codes */
945 extern u1 *jcode; /* pointer to start of JavaVM-code */
946 extern int exceptiontablelength;/* length of exception table */
947 extern xtable *extable; /* pointer to start of exception table */
948 extern exceptiontable *raw_extable;
950 extern int block_count; /* number of basic blocks */
951 extern basicblock *block; /* points to basic block array */
952 extern int *block_index; /* a table which contains for every byte of */
953 /* JavaVM code a basic block index if at this */
954 /* byte there is the start of a basic block */
956 extern int instr_count; /* number of JavaVM instructions */
957 extern instruction *instr; /* points to intermediate code instructions */
959 extern int stack_count; /* number of stack elements */
960 extern stackelement *stack; /* points to intermediate code instructions */
962 extern bool isleafmethod; /* true if a method doesn't call subroutines */
964 extern basicblock *last_block; /* points to the end of the BB list */
966 extern bool regs_ok; /* true if registers have been allocated */
969 /* list of all classes used by the compiled method which have to be */
970 /* initialised (if not already done) before execution of this method */
971 extern chain *uninitializedclasses;
973 extern int stackreq[256];
976 /* function prototypes */
978 methodptr jit_compile (methodinfo *m); /* compile a method with jit compiler */
980 void jit_init(); /* compiler initialisation */
981 void jit_close(); /* compiler finalisation */
983 u1 *createcompilerstub(methodinfo *m);
984 u1 *createnativestub(functionptr f, methodinfo *m);
986 void removecompilerstub(u1 *stub);
987 void removenativestub(u1 *stub);
991 /* debug helpers (in stack.c) */
993 void icmd_print_stack(stackptr s);
994 char *icmd_builtin_name(functionptr bptr);
995 void show_icmd_block(basicblock *bptr);
996 void show_icmd(instruction *iptr,bool deadcode);
997 void show_icmd_method();
1003 * These are local overrides for various environment variables in Emacs.
1004 * Please do not remove this and leave it at the end of the file, where
1005 * Emacs will automagically detect them.
1006 * ---------------------------------------------------------------------
1009 * indent-tabs-mode: t