1 /* src/vm/jit/jit.h - code generation header
3 Copyright (C) 1996-2005, 2006 R. Grafl, A. Krall, C. Kruegel,
4 C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
5 E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
6 J. Wenninger, 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., 51 Franklin Street, Fifth Floor, Boston, MA
25 Contact: cacao@cacaojvm.org
27 Authors: Andreas Krall
30 Changes: Christian Thalinger
33 $Id: jit.h 4921 2006-05-15 14:24:36Z twisti $
41 /* forward typedefs ***********************************************************/
43 typedef struct jitdata jitdata;
44 typedef struct stackelement stackelement;
45 typedef stackelement *stackptr;
46 typedef struct basicblock basicblock;
47 typedef struct branchref branchref;
48 typedef struct instruction instruction;
49 typedef struct subroutineinfo subroutineinfo;
50 typedef struct insinfo_inline insinfo_inline;
56 #include "toolbox/chain.h"
57 #include "vm/global.h"
58 #include "vm/method.h"
59 #include "vm/references.h"
60 #include "vm/statistics.h"
61 #include "vm/jit/codegen-common.h"
62 #include "vm/jit/reg.h"
63 #include "vm/jit/stacktrace.h"
65 #if defined(ENABLE_INLINING)
66 # include "vm/jit/inline/inline.h"
69 #if defined(ENABLE_LOOP)
70 # include "vm/jit/loop/loop.h"
73 #include "vm/jit/verify/typeinfo.h"
76 /* common jit/codegen macros **************************************************/
78 #if defined(ENABLE_STATISTICS)
79 # define COUNT(x) (x)++
80 # define COUNT_SPILLS count_spills++
82 # define COUNT(x) /* nothing */
83 # define COUNT_SPILLS /* nothing */
87 /* jitdata ********************************************************************/
89 #define JITDATA_FLAG_IFCONV 0x00000001
92 methodinfo *m; /* methodinfo of the method compiled */
96 #if defined(ENABLE_LOOP)
99 u4 flags; /* contains JIT compiler flags */
103 /************************** stack element structure ***************************/
107 /* Unified these with longer names. Maybe someday use only
108 * one set of names? -Edwin
110 /*#define TYPE_INT 0*/ /* the stack slot types must numbered in the */
111 #define TYPE_LNG TYPE_LONG /*1*/ /* same order as the ICMD_Ixxx to ICMD_Axxx */
112 #define TYPE_FLT TYPE_FLOAT /*2*/ /* instructions (LOAD and STORE) */
113 #define TYPE_DBL TYPE_DOUBLE /*3*/ /* integer, long, float, double, address */
114 #define TYPE_ADR TYPE_ADDRESS /*4*/
116 #define IS_INT_LNG_TYPE(a) (!((a) & TYPE_FLT))
117 #define IS_FLT_DBL_TYPE(a) ((a) & TYPE_FLT)
118 #define IS_2_WORD_TYPE(a) ((a) & TYPE_LNG)
120 #define IS_INT_TYPE(a) ((a) == TYPE_INT)
121 #define IS_LNG_TYPE(a) ((a) == TYPE_LNG)
122 #define IS_ADR_TYPE(a) ((a) == TYPE_ADR)
127 #define SAVEDVAR 1 /* variable has to survive method invocations */
128 #define INMEMORY 2 /* variable stored in memory */
129 #define SAVEDTMP 4 /* temporary variable using a saved register */
130 #define TMPARG 8 /* temporary variable using a arg register */
131 #define STCOPY 16 /* there is another stackslot alive "below" */
132 /* using the same register/memory location */
133 #define STKEEP 32 /* to prevent reg_mark_copy to free this */
138 #define UNDEFVAR 0 /* stack slot will become temp during regalloc*/
139 #define TEMPVAR 1 /* stack slot is temp register */
140 #define STACKVAR 2 /* stack slot is numbered stack slot */
141 #define LOCALVAR 3 /* stack slot is local variable */
142 #define ARGVAR 4 /* stack slot is argument variable */
145 struct stackelement {
146 stackptr prev; /* pointer to next element towards bottom */
147 s4 type; /* slot type of stack element */
148 #ifdef ENABLE_VERIFIER
149 typeinfo typeinfo; /* info on reference types */
151 s4 flags; /* flags (SAVED, INMEMORY) */
152 s4 varkind; /* kind of variable or register */
153 s4 varnum; /* number of variable */
154 s4 regoff; /* register number or memory offset */
158 /**************************** instruction structure ***************************/
161 stackptr dst; /* stack index of destination operand stack */
162 u2 opc; /* opcode of intermediate code command */
163 s4 op1; /* first operand, usually variable number */
164 imm_union val; /* immediate constant */
165 void *target; /* used for targets of branches and jumps */
166 /* and as address for list of targets for */
168 u2 line; /* line number in source file */
171 #define INSTRUCTION_IS_RESOLVED(iptr) \
172 (!((ptrint)(iptr)->target & 0x01)) /* XXX target used temporarily as flag */
174 #define INSTRUCTION_IS_UNRESOLVED(iptr) \
175 ((ptrint)(iptr)->target & 0x01) /* XXX target used temporarily as flag */
177 #define INSTRUCTION_GET_FIELDREF(iptr,fref) \
179 if (INSTRUCTION_IS_UNRESOLVED(iptr)) \
180 fref = ((unresolved_field *) (iptr)->val.a)->fieldref; \
182 fref = ((constant_FMIref *)(iptr)->val.a); \
185 #define INSTRUCTION_GET_METHODREF(iptr,mref) \
187 if (INSTRUCTION_IS_UNRESOLVED(iptr)) \
188 mref = ((unresolved_method *) (iptr)->val.a)->methodref; \
190 mref = ((constant_FMIref *)(iptr)->val.a); \
193 #define INSTRUCTION_GET_FIELDDESC(iptr,fd) \
195 if (INSTRUCTION_IS_UNRESOLVED(iptr)) \
196 fd = ((unresolved_field *)(iptr)->val.a)->fieldref->parseddesc.fd; \
198 fd = ((constant_FMIref *)(iptr)->val.a)->parseddesc.fd; \
201 #define INSTRUCTION_GET_METHODDESC(iptr,md) \
203 if (INSTRUCTION_IS_UNRESOLVED(iptr)) \
204 md = ((unresolved_method *) (iptr)->val.a)->methodref->parseddesc.md; \
206 md = ((constant_FMIref *)(iptr)->val.a)->parseddesc.md; \
209 #define INSTRUCTION_UNRESOLVED_METHOD(iptr) \
210 ((unresolved_method *) (iptr)->val.a)
212 #define INSTRUCTION_UNRESOLVED_FIELD(iptr) \
213 ((unresolved_field *) (iptr)->val.a)
215 #define INSTRUCTION_RESOLVED_FMIREF(iptr) \
216 ((constant_FMIref *)(iptr)->val.a)
218 #define INSTRUCTION_RESOLVED_FIELDINFO(iptr) \
219 (INSTRUCTION_RESOLVED_FMIREF(iptr)->p.field)
221 #define INSTRUCTION_RESOLVED_METHODINFO(iptr) \
222 (INSTRUCTION_RESOLVED_FMIREF(iptr)->p.method)
224 #define INSTRUCTION_PUTCONST_TYPE(iptr) \
227 #define INSTRUCTION_PUTCONST_VALUE_ADR(iptr) \
230 #define INSTRUCTION_PUTCONST_FIELDINFO(iptr) \
231 ((fieldinfo *)((iptr)[1].val.a))
233 #define INSTRUCTION_PUTCONST_FIELDINFO_PTR(iptr) \
234 ((fieldinfo **) &((iptr)[1].val.a))
236 #define INSTRUCTION_PUTCONST_FIELDREF(iptr) \
237 ((unresolved_field *)((iptr)[1].target))
239 /* for ICMD_ACONST */
241 #define ICMD_ACONST_IS_CLASS(iptr) \
242 ((ptrint)(iptr)->target & 0x02) /* XXX target used temporarily as flag */
244 #define ICMD_ACONST_CLASSREF_OR_CLASSINFO(iptr) \
245 (CLASSREF_OR_CLASSINFO((iptr)->val.a))
247 #define ICMD_ACONST_RESOLVED_CLASSINFO(iptr) \
248 ((classinfo *) (iptr)->val.a)
250 #define ICMD_ACONST_UNRESOLVED_CLASSREF(iptr) \
251 ((constant_classref *) (iptr)->val.a)
254 /* additional info structs for special instructions ***************************/
256 /* for ICMD_INLINE_START and ICMD_INLINE_END */
258 struct insinfo_inline {
259 methodinfo *method; /* the inlined method starting/ending here */
260 methodinfo *outer; /* the outer method suspended/resumed here */
261 s4 startmpc; /* machine code offset of start of inlining */
262 s4 synclocal; /* local index used for synchronization */
263 bool synchronize; /* true if synchronization is needed */
266 /* basicblock *****************************************************************/
275 #define BBTYPECHECK_UNDEF 2
276 #define BBTYPECHECK_REACHED 3
278 #define BBTYPE_STD 0 /* standard basic block type */
279 #define BBTYPE_EXH 1 /* exception handler basic block type */
280 #define BBTYPE_SBR 2 /* subroutine basic block type */
282 #define BBFLAG_REPLACEMENT 0x01 /* put a replacement point at the start */
284 /* XXX basicblock wastes quite a lot of memory by having four flag fields */
285 /* (flags, bitflags, type and lflags). Probably the last three could be */
286 /* combined without loss of efficiency. The first one could be combined with */
287 /* the others by using bitfields. */
290 s4 debug_nr; /* basic block number */
291 s4 flags; /* used during stack analysis, init with -1 */
292 s4 bitflags; /* OR of BBFLAG_... constants, init with 0 */
293 s4 type; /* basic block type (std, xhandler, subroutine*/
294 instruction *iinstr; /* pointer to intermediate code instructions */
295 s4 icount; /* number of intermediate code instructions */
296 s4 mpc; /* machine code pc at start of block */
297 stackptr instack; /* stack at begin of basic block */
298 stackptr outstack; /* stack at end of basic block */
299 s4 indepth; /* stack depth at begin of basic block */
300 s4 outdepth; /* stack depth end of basic block */
301 s4 pre_count; /* count of predecessor basic blocks */
302 branchref *branchrefs; /* list of branches to be patched */
304 basicblock *next; /* used to build a BB list (instead of array) */
305 s4 lflags; /* used during loop copying, init with 0 */
306 basicblock *copied_to; /* points to the copy of this basic block */
307 /* when loop nodes are copied */
308 stackptr stack; /* start of stack array for this block */
309 /* (see doc/stack.txt) */
310 methodinfo *method; /* method this block belongs to */
313 /* macro for initializing newly allocated basicblock:s */
315 #define BASICBLOCK_INIT(bptr,m) \
319 bptr->bitflags = 0; \
321 bptr->type = BBTYPE_STD; \
322 bptr->branchrefs = NULL; \
323 bptr->pre_count = 0; \
324 bptr->method = (m); \
325 bptr->debug_nr = (m)->c_debug_nr++; \
329 /* branchref *****************************************************************/
332 s4 branchpos; /* patching position in code segment */
333 branchref *next; /* next element in branchref list */
337 /********** op1 values for ACONST instructions ********************************/
339 #define ACONST_LOAD 0 /* ACONST_NULL or LDC instruction */
340 #define ACONST_BUILTIN 1 /* constant argument for a builtin function call */
343 /********** JavaVM operation codes (sorted) and instruction lengths ***********/
345 extern char *icmd_names[256];
346 extern char *opcode_names[256];
347 extern int jcommandsize[256];
352 #define JAVA_ACONST_NULL 1
353 #define ICMD_ACONST 1 /* val.a = constant */
355 #define JAVA_ICONST_M1 2
356 #define ICMD_CHECKNULL 2
358 #define JAVA_ICONST_0 3
359 #define ICMD_ICONST 3 /* val.i = constant */
361 #define JAVA_ICONST_1 4
363 #define JAVA_ICONST_2 5
364 #define ICMD_IDIVPOW2 5 /* val.i = constant */
366 #define JAVA_ICONST_3 6
367 #define ICMD_LDIVPOW2 6 /* val.l = constant */
369 #define JAVA_ICONST_4 7
371 #define JAVA_ICONST_5 8
373 #define JAVA_LCONST_0 9
374 #define ICMD_LCONST 9 /* val.l = constant */
376 #define JAVA_LCONST_1 10
377 #define ICMD_LCMPCONST 10 /* val.l = constant */
379 #define JAVA_FCONST_0 11
380 #define ICMD_FCONST 11 /* val.f = constant */
382 #define JAVA_FCONST_1 12
384 #define JAVA_FCONST_2 13
385 #define ICMD_ELSE_ICONST 13
387 #define JAVA_DCONST_0 14
388 #define ICMD_DCONST 14 /* val.d = constant */
390 #define JAVA_DCONST_1 15
391 #define ICMD_IFEQ_ICONST 15
393 #define JAVA_BIPUSH 16
394 #define ICMD_IFNE_ICONST 16
396 #define JAVA_SIPUSH 17
397 #define ICMD_IFLT_ICONST 17
400 #define ICMD_IFGE_ICONST 18
403 #define ICMD_IFGT_ICONST 19
405 #define JAVA_LDC2W 20
406 #define ICMD_IFLE_ICONST 20
408 /* order of LOAD instructions must be */
409 /* equal to order of TYPE_XXX defines */
410 #define JAVA_ILOAD 21
411 #define ICMD_ILOAD 21 /* op1 = local variable */
413 #define JAVA_LLOAD 22
414 #define ICMD_LLOAD 22 /* op1 = local variable */
416 #define JAVA_FLOAD 23
417 #define ICMD_FLOAD 23 /* op1 = local variable */
419 #define JAVA_DLOAD 24
420 #define ICMD_DLOAD 24 /* op1 = local variable */
422 #define JAVA_ALOAD 25
423 #define ICMD_ALOAD 25 /* op1 = local variable */
425 #define JAVA_ILOAD_0 26
426 #define ICMD_IADDCONST 26 /* val.i = constant */
428 #define JAVA_ILOAD_1 27
429 #define ICMD_ISUBCONST 27 /* val.i = constant */
431 #define JAVA_ILOAD_2 28
432 #define ICMD_IMULCONST 28 /* val.i = constant */
434 #define JAVA_ILOAD_3 29
435 #define ICMD_IANDCONST 29 /* val.i = constant */
437 #define JAVA_LLOAD_0 30
438 #define ICMD_IORCONST 30 /* val.i = constant */
440 #define JAVA_LLOAD_1 31
441 #define ICMD_IXORCONST 31 /* val.i = constant */
443 #define JAVA_LLOAD_2 32
444 #define ICMD_ISHLCONST 32 /* val.i = constant */
446 #define JAVA_LLOAD_3 33
447 #define ICMD_ISHRCONST 33 /* val.i = constant */
449 #define JAVA_FLOAD_0 34
450 #define ICMD_IUSHRCONST 34 /* val.i = constant */
452 #define JAVA_FLOAD_1 35
453 #define ICMD_IREMPOW2 35 /* val.i = constant */
455 #define JAVA_FLOAD_2 36
456 #define ICMD_LADDCONST 36 /* val.l = constant */
458 #define JAVA_FLOAD_3 37
459 #define ICMD_LSUBCONST 37 /* val.l = constant */
461 #define JAVA_DLOAD_0 38
462 #define ICMD_LMULCONST 38 /* val.l = constant */
464 #define JAVA_DLOAD_1 39
465 #define ICMD_LANDCONST 39 /* val.l = constant */
467 #define JAVA_DLOAD_2 40
468 #define ICMD_LORCONST 40 /* val.l = constant */
470 #define JAVA_DLOAD_3 41
471 #define ICMD_LXORCONST 41 /* val.l = constant */
473 #define JAVA_ALOAD_0 42
474 #define ICMD_LSHLCONST 42 /* val.l = constant */
476 #define JAVA_ALOAD_1 43
477 #define ICMD_LSHRCONST 43 /* val.l = constant */
479 #define JAVA_ALOAD_2 44
480 #define ICMD_LUSHRCONST 44 /* val.l = constant */
482 #define JAVA_ALOAD_3 45
483 #define ICMD_LREMPOW2 45 /* val.l = constant */
485 #define JAVA_IALOAD 46
486 #define ICMD_IALOAD 46
488 #define JAVA_LALOAD 47
489 #define ICMD_LALOAD 47
491 #define JAVA_FALOAD 48
492 #define ICMD_FALOAD 48
494 #define JAVA_DALOAD 49
495 #define ICMD_DALOAD 49
497 #define JAVA_AALOAD 50
498 #define ICMD_AALOAD 50
500 #define JAVA_BALOAD 51
501 #define ICMD_BALOAD 51
503 #define JAVA_CALOAD 52
504 #define ICMD_CALOAD 52
506 #define JAVA_SALOAD 53
507 #define ICMD_SALOAD 53
509 /* order of STORE instructions must be*/
510 /* equal to order of TYPE_XXX defines */
511 #define JAVA_ISTORE 54
512 #define ICMD_ISTORE 54 /* op1 = local variable */
514 #define JAVA_LSTORE 55
515 #define ICMD_LSTORE 55 /* op1 = local variable */
517 #define JAVA_FSTORE 56
518 #define ICMD_FSTORE 56 /* op1 = local variable */
520 #define JAVA_DSTORE 57
521 #define ICMD_DSTORE 57 /* op1 = local variable */
523 #define JAVA_ASTORE 58
524 #define ICMD_ASTORE 58 /* op1 = local variable */
526 #define JAVA_ISTORE_0 59
527 #define ICMD_IF_LEQ 59 /* op1 = target JavaVM pc, val.l */
529 #define JAVA_ISTORE_1 60
530 #define ICMD_IF_LNE 60 /* op1 = target JavaVM pc, val.l */
532 #define JAVA_ISTORE_2 61
533 #define ICMD_IF_LLT 61 /* op1 = target JavaVM pc, val.l */
535 #define JAVA_ISTORE_3 62
536 #define ICMD_IF_LGE 62 /* op1 = target JavaVM pc, val.l */
538 #define JAVA_LSTORE_0 63
539 #define ICMD_IF_LGT 63 /* op1 = target JavaVM pc, val.l */
541 #define JAVA_LSTORE_1 64
542 #define ICMD_IF_LLE 64 /* op1 = target JavaVM pc, val.l */
544 #define JAVA_LSTORE_2 65
545 #define ICMD_IF_LCMPEQ 65 /* op1 = target JavaVM pc */
547 #define JAVA_LSTORE_3 66
548 #define ICMD_IF_LCMPNE 66 /* op1 = target JavaVM pc */
550 #define JAVA_FSTORE_0 67
551 #define ICMD_IF_LCMPLT 67 /* op1 = target JavaVM pc */
553 #define JAVA_FSTORE_1 68
554 #define ICMD_IF_LCMPGE 68 /* op1 = target JavaVM pc */
556 #define JAVA_FSTORE_2 69
557 #define ICMD_IF_LCMPGT 69 /* op1 = target JavaVM pc */
559 #define JAVA_FSTORE_3 70
560 #define ICMD_IF_LCMPLE 70 /* op1 = target JavaVM pc */
562 #define JAVA_DSTORE_0 71
564 #define JAVA_DSTORE_1 72
566 #define JAVA_DSTORE_2 73
568 #define JAVA_DSTORE_3 74
570 #define JAVA_ASTORE_0 75
572 #define JAVA_ASTORE_1 76
574 #define JAVA_ASTORE_2 77
576 #define JAVA_ASTORE_3 78
578 #define JAVA_IASTORE 79
579 #define ICMD_IASTORE 79
581 #define JAVA_LASTORE 80
582 #define ICMD_LASTORE 80
584 #define JAVA_FASTORE 81
585 #define ICMD_FASTORE 81
587 #define JAVA_DASTORE 82
588 #define ICMD_DASTORE 82
590 #define JAVA_AASTORE 83
591 #define ICMD_AASTORE 83
593 #define JAVA_BASTORE 84
594 #define ICMD_BASTORE 84
596 #define JAVA_CASTORE 85
597 #define ICMD_CASTORE 85
599 #define JAVA_SASTORE 86
600 #define ICMD_SASTORE 86
611 #define JAVA_DUP_X1 90
612 #define ICMD_DUP_X1 90
614 #define JAVA_DUP_X2 91
615 #define ICMD_DUP_X2 91
620 #define JAVA_DUP2_X1 93
621 #define ICMD_DUP2_X1 93
623 #define JAVA_DUP2_X2 94
624 #define ICMD_DUP2_X2 94
641 #define JAVA_ISUB 100
642 #define ICMD_ISUB 100
644 #define JAVA_LSUB 101
645 #define ICMD_LSUB 101
647 #define JAVA_FSUB 102
648 #define ICMD_FSUB 102
650 #define JAVA_DSUB 103
651 #define ICMD_DSUB 103
653 #define JAVA_IMUL 104
654 #define ICMD_IMUL 104
656 #define JAVA_LMUL 105
657 #define ICMD_LMUL 105
659 #define JAVA_FMUL 106
660 #define ICMD_FMUL 106
662 #define JAVA_DMUL 107
663 #define ICMD_DMUL 107
665 #define JAVA_IDIV 108
666 #define ICMD_IDIV 108
668 #define JAVA_LDIV 109
669 #define ICMD_LDIV 109
671 #define JAVA_FDIV 110
672 #define ICMD_FDIV 110
674 #define JAVA_DDIV 111
675 #define ICMD_DDIV 111
677 #define JAVA_IREM 112
678 #define ICMD_IREM 112
680 #define JAVA_LREM 113
681 #define ICMD_LREM 113
683 #define JAVA_FREM 114
684 #define ICMD_FREM 114
686 #define JAVA_DREM 115
687 #define ICMD_DREM 115
689 #define JAVA_INEG 116
690 #define ICMD_INEG 116
692 #define JAVA_LNEG 117
693 #define ICMD_LNEG 117
695 #define JAVA_FNEG 118
696 #define ICMD_FNEG 118
698 #define JAVA_DNEG 119
699 #define ICMD_DNEG 119
701 #define JAVA_ISHL 120
702 #define ICMD_ISHL 120
704 #define JAVA_LSHL 121
705 #define ICMD_LSHL 121
707 #define JAVA_ISHR 122
708 #define ICMD_ISHR 122
710 #define JAVA_LSHR 123
711 #define ICMD_LSHR 123
713 #define JAVA_IUSHR 124
714 #define ICMD_IUSHR 124
716 #define JAVA_LUSHR 125
717 #define ICMD_LUSHR 125
719 #define JAVA_IAND 126
720 #define ICMD_IAND 126
722 #define JAVA_LAND 127
723 #define ICMD_LAND 127
731 #define JAVA_IXOR 130
732 #define ICMD_IXOR 130
734 #define JAVA_LXOR 131
735 #define ICMD_LXOR 131
737 #define JAVA_IINC 132
738 #define ICMD_IINC 132 /* op1 = local variable, val.i = constant */
776 #define JAVA_INT2BYTE 145
777 #define ICMD_INT2BYTE 145
779 #define JAVA_INT2CHAR 146
780 #define ICMD_INT2CHAR 146
782 #define JAVA_INT2SHORT 147
783 #define ICMD_INT2SHORT 147
785 #define JAVA_LCMP 148
786 #define ICMD_LCMP 148
788 #define JAVA_FCMPL 149
789 #define ICMD_FCMPL 149
791 #define JAVA_FCMPG 150
792 #define ICMD_FCMPG 150
794 #define JAVA_DCMPL 151
795 #define ICMD_DCMPL 151
797 #define JAVA_DCMPG 152
798 #define ICMD_DCMPG 152
800 #define JAVA_IFEQ 153
801 #define ICMD_IFEQ 153 /* op1 = target JavaVM pc, val.i */
803 #define JAVA_IFNE 154
804 #define ICMD_IFNE 154 /* op1 = target JavaVM pc, val.i */
806 #define JAVA_IFLT 155
807 #define ICMD_IFLT 155 /* op1 = target JavaVM pc, val.i */
809 #define JAVA_IFGE 156
810 #define ICMD_IFGE 156 /* op1 = target JavaVM pc, val.i */
812 #define JAVA_IFGT 157
813 #define ICMD_IFGT 157 /* op1 = target JavaVM pc, val.i */
815 #define JAVA_IFLE 158
816 #define ICMD_IFLE 158 /* op1 = target JavaVM pc, val.i */
818 #define JAVA_IF_ICMPEQ 159
819 #define ICMD_IF_ICMPEQ 159 /* op1 = target JavaVM pc */
821 #define JAVA_IF_ICMPNE 160
822 #define ICMD_IF_ICMPNE 160 /* op1 = target JavaVM pc */
824 #define JAVA_IF_ICMPLT 161
825 #define ICMD_IF_ICMPLT 161 /* op1 = target JavaVM pc */
827 #define JAVA_IF_ICMPGE 162
828 #define ICMD_IF_ICMPGE 162 /* op1 = target JavaVM pc */
830 #define JAVA_IF_ICMPGT 163
831 #define ICMD_IF_ICMPGT 163 /* op1 = target JavaVM pc */
833 #define JAVA_IF_ICMPLE 164
834 #define ICMD_IF_ICMPLE 164 /* op1 = target JavaVM pc */
836 #define JAVA_IF_ACMPEQ 165
837 #define ICMD_IF_ACMPEQ 165 /* op1 = target JavaVM pc */
839 #define JAVA_IF_ACMPNE 166
840 #define ICMD_IF_ACMPNE 166 /* op1 = target JavaVM pc */
842 #define JAVA_GOTO 167
843 #define ICMD_GOTO 167 /* op1 = target JavaVM pc */
846 #define ICMD_JSR 168 /* op1 = target JavaVM pc */
849 #define ICMD_RET 169 /* op1 = local variable */
851 #define JAVA_TABLESWITCH 170
852 #define ICMD_TABLESWITCH 170 /* val.a = pointer to s4 table */
853 /* length must be computed */
854 #define JAVA_LOOKUPSWITCH 171
855 #define ICMD_LOOKUPSWITCH 171 /* val.a = pointer to s4 table */
856 /* length must be computed */
857 #define JAVA_IRETURN 172
858 #define ICMD_IRETURN 172
860 #define JAVA_LRETURN 173
861 #define ICMD_LRETURN 173
863 #define JAVA_FRETURN 174
864 #define ICMD_FRETURN 174
866 #define JAVA_DRETURN 175
867 #define ICMD_DRETURN 175
869 #define JAVA_ARETURN 176
870 #define ICMD_ARETURN 176
872 #define JAVA_RETURN 177
873 #define ICMD_RETURN 177
875 #define JAVA_GETSTATIC 178
876 #define ICMD_GETSTATIC 178 /* op1 = type, val.a = field address */
878 #define JAVA_PUTSTATIC 179
879 #define ICMD_PUTSTATIC 179 /* op1 = type, val.a = field address */
881 #define JAVA_GETFIELD 180
882 #define ICMD_GETFIELD 180 /* op1 = type, val.i = field offset */
884 #define JAVA_PUTFIELD 181
885 #define ICMD_PUTFIELD 181 /* op1 = type, val.i = field offset */
887 #define JAVA_INVOKEVIRTUAL 182
888 #define ICMD_INVOKEVIRTUAL 182 /* val.a = method info pointer */
890 #define JAVA_INVOKESPECIAL 183
891 #define ICMD_INVOKESPECIAL 183 /* val.a = method info pointer */
893 #define JAVA_INVOKESTATIC 184
894 #define ICMD_INVOKESTATIC 184 /* val.a = method info pointer */
896 #define JAVA_INVOKEINTERFACE 185
897 #define ICMD_INVOKEINTERFACE 185 /* val.a = method info pointer */
902 #define ICMD_NEW 187 /* op1 = 1, val.a = class pointer */
904 #define JAVA_NEWARRAY 188
905 #define ICMD_NEWARRAY 188 /* op1 = basic type */
907 #define JAVA_ANEWARRAY 189
908 #define ICMD_ANEWARRAY 189 /* op1 = 0, val.a = array pointer */
909 /* op1 = 1, val.a = class pointer */
910 #define JAVA_ARRAYLENGTH 190
911 #define ICMD_ARRAYLENGTH 190
913 #define JAVA_ATHROW 191
914 #define ICMD_ATHROW 191
916 #define JAVA_CHECKCAST 192
917 #define ICMD_CHECKCAST 192 /* op1 = 0, val.a = array pointer */
918 /* op1 = 1, val.a = class pointer */
919 #define JAVA_INSTANCEOF 193
920 #define ICMD_INSTANCEOF 193 /* op1 = 0, val.a = array pointer */
921 /* op1 = 1, val.a = class pointer */
922 #define JAVA_MONITORENTER 194
923 #define ICMD_MONITORENTER 194
925 #define JAVA_MONITOREXIT 195
926 #define ICMD_MONITOREXIT 195
928 #define JAVA_WIDE 196
930 #define JAVA_MULTIANEWARRAY 197
931 #define ICMD_MULTIANEWARRAY 197 /* op1 = dimension, val.a = array */
933 #define JAVA_IFNULL 198
934 #define ICMD_IFNULL 198 /* op1 = target JavaVM pc */
936 #define JAVA_IFNONNULL 199
937 #define ICMD_IFNONNULL 199 /* op1 = target JavaVM pc */
939 #define JAVA_GOTO_W 200
941 #define JAVA_JSR_W 201
943 #define JAVA_BREAKPOINT 202
947 #define ICMD_IASTORECONST 204
948 #define ICMD_LASTORECONST 205
949 #define ICMD_FASTORECONST 206
950 #define ICMD_DASTORECONST 207
951 #define ICMD_AASTORECONST 208
952 #define ICMD_BASTORECONST 209
953 #define ICMD_CASTORECONST 210
954 #define ICMD_SASTORECONST 211
956 #define ICMD_PUTSTATICCONST 212
957 #define ICMD_PUTFIELDCONST 213
959 #define ICMD_IMULPOW2 214
960 #define ICMD_LMULPOW2 215
962 #define ICMD_IF_FCMPEQ 216
963 #define ICMD_IF_FCMPNE 217
965 #define ICMD_IF_FCMPL_LT 218
966 #define ICMD_IF_FCMPL_GE 219
967 #define ICMD_IF_FCMPL_GT 220
968 #define ICMD_IF_FCMPL_LE 221
970 #define ICMD_IF_FCMPG_LT 222
971 #define ICMD_IF_FCMPG_GE 223
972 #define ICMD_IF_FCMPG_GT 224
973 #define ICMD_IF_FCMPG_LE 225
975 #define ICMD_IF_DCMPEQ 226
976 #define ICMD_IF_DCMPNE 227
978 #define ICMD_IF_DCMPL_LT 228
979 #define ICMD_IF_DCMPL_GE 229
980 #define ICMD_IF_DCMPL_GT 230
981 #define ICMD_IF_DCMPL_LE 231
983 #define ICMD_IF_DCMPG_LT 232
984 #define ICMD_IF_DCMPG_GE 233
985 #define ICMD_IF_DCMPG_GT 234
986 #define ICMD_IF_DCMPG_LE 235
988 #define ICMD_INLINE_START 251 /* instruction before inlined method */
989 #define ICMD_INLINE_END 252 /* instruction after inlined method */
990 #define ICMD_INLINE_GOTO 253 /* jump to caller of inlined method */
992 #define ICMD_BUILTIN 255 /* internal opcode */
994 /* define some ICMD masks *****************************************************/
996 #define ICMD_OPCODE_MASK 0x00ff /* mask to get the opcode */
997 #define ICMD_CONDITION_MASK 0xff00 /* mask to get the condition */
1000 /******************* description of JavaVM instructions ***********************/
1004 /***************************** register types *********************************/
1006 #define REG_RES 0 /* reserved register for OS or code generator */
1007 #define REG_RET 1 /* return value register */
1008 #define REG_EXC 2 /* exception value register */
1009 #define REG_SAV 3 /* (callee) saved register */
1010 #define REG_TMP 4 /* scratch temporary register (caller saved) */
1011 #define REG_ARG 5 /* argument register (caller saved) */
1013 #define REG_END -1 /* last entry in tables */
1015 #define PARAMMODE_NUMBERED 0
1016 #define PARAMMODE_STUFFED 1
1019 /***************************** register info block ****************************/
1021 extern int stackreq[256];
1024 /* function prototypes ********************************************************/
1026 /* compiler initialisation */
1027 void jit_init(void);
1029 /* compiler finalisation */
1030 void jit_close(void);
1032 /* compile a method with jit compiler */
1033 u1 *jit_compile(methodinfo *m);
1035 /* patch the method entrypoint */
1036 u1 *jit_asm_compile(methodinfo *m, u1 *mptr, u1 *sp, u1 *ra);
1038 /* machine dependent functions */
1039 #if defined(ENABLE_JIT)
1042 u1 *md_get_method_patch_address(u1 *ra, stackframeinfo *sfi, u1 *mptr);
1044 void md_cacheflush(u1 *addr, s4 nbytes);
1045 void md_icacheflush(u1 *addr, s4 nbytes);
1046 void md_dcacheflush(u1 *addr, s4 nbytes);
1049 #if defined(ENABLE_INTRP)
1050 void intrp_md_init(void);
1057 * These are local overrides for various environment variables in Emacs.
1058 * Please do not remove this and leave it at the end of the file, where
1059 * Emacs will automagically detect them.
1060 * ---------------------------------------------------------------------
1063 * indent-tabs-mode: t
1067 * vim:noexpandtab:sw=4:ts=4: