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 5370 2006-09-06 13:46:37Z christian $
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 insinfo_inline insinfo_inline;
55 #include "toolbox/chain.h"
56 #include "vm/global.h"
57 #include "vm/method.h"
58 #include "vm/references.h"
59 #include "vm/resolve.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"
72 #if defined(ENABLE_SSA)
73 # include "vm/jit/optimizing/lsra.h"
75 #if defined(ENABLE_LSRA)
76 # include "vm/jit/allocator/lsra.h"
79 #include "vm/jit/verify/typeinfo.h"
81 /* common jit/codegen macros **************************************************/
83 #if defined(ENABLE_STATISTICS)
84 # define COUNT(x) (x)++
85 # define COUNT_SPILLS count_spills++
87 # define COUNT(x) /* nothing */
88 # define COUNT_SPILLS /* nothing */
92 /* jitdata ********************************************************************/
95 methodinfo *m; /* methodinfo of the method compiled */
99 #if defined(ENABLE_LOOP)
102 #if defined(ENABLE_SSA) || defined(ENABLE_LSRA)
106 u4 flags; /* contains JIT compiler flags */
107 bool isleafmethod; /* does method call subroutines */
109 instruction *new_instructions;
110 basicblock *new_basicblocks;
111 s4 *new_basicblockindex;
112 stackelement *new_stack;
113 s4 new_instructioncount;
114 s4 new_basicblockcount;
124 int *local_map; /* internal structure to rename(de-coallesc) locals */
125 /* and keep the coalescing info for simplereg. */
126 /* local_map[local_index * 5 + local_type] = new_index in */
127 /* rd->var or LOCAL_UNUSED */
131 #define LOCAL_UNUSED -1
133 #define JITDATA_FLAG_PARSE 0x00000001
134 #define JITDATA_FLAG_VERIFY 0x00000002
136 #define JITDATA_FLAG_INSTRUMENT 0x00000004
138 #define JITDATA_FLAG_IFCONV 0x00000008
139 #define JITDATA_FLAG_REORDER 0x00000010
141 #define JITDATA_FLAG_SHOWINTERMEDIATE 0x20000000
142 #define JITDATA_FLAG_SHOWDISASSEMBLE 0x40000000
143 #define JITDATA_FLAG_VERBOSECALL 0x80000000
146 #define JITDATA_HAS_FLAG_PARSE(jd) \
147 ((jd)->flags & JITDATA_FLAG_PARSE)
149 #define JITDATA_HAS_FLAG_VERIFY(jd) \
150 ((jd)->flags & JITDATA_FLAG_VERIFY)
152 #define JITDATA_HAS_FLAG_INSTRUMENT(jd) \
153 ((jd)->flags & JITDATA_FLAG_INSTRUMENT)
155 #define JITDATA_HAS_FLAG_IFCONV(jd) \
156 ((jd)->flags & JITDATA_FLAG_IFCONV)
158 #define JITDATA_HAS_FLAG_REORDER(jd) \
159 ((jd)->flags & JITDATA_FLAG_REORDER)
161 #define JITDATA_HAS_FLAG_SHOWINTERMEDIATE(jd) \
162 ((jd)->flags & JITDATA_FLAG_SHOWINTERMEDIATE)
164 #define JITDATA_HAS_FLAG_SHOWDISASSEMBLE(jd) \
165 ((jd)->flags & JITDATA_FLAG_SHOWDISASSEMBLE)
167 #define JITDATA_HAS_FLAG_VERBOSECALL(jd) \
168 ((jd)->flags & JITDATA_FLAG_VERBOSECALL)
171 /************************** stack element structure ***************************/
175 #define SAVEDVAR 1 /* variable has to survive method invocations */
176 #define INMEMORY 2 /* variable stored in memory */
177 #define SAVEDTMP 4 /* temporary variable using a saved register */
178 #define TMPARG 8 /* temporary variable using a arg register */
179 #define STCOPY 16 /* there is another stackslot alive "below" */
180 /* using the same register/memory location */
181 #define STKEEP 32 /* to prevent reg_mark_copy to free this */
186 #define UNDEFVAR 0 /* stack slot will become temp during regalloc*/
187 #define TEMPVAR 1 /* stack slot is temp register */
188 #define STACKVAR 2 /* stack slot is numbered stack slot */
189 #define LOCALVAR 3 /* stack slot is local variable */
190 #define ARGVAR 4 /* stack slot is argument variable */
193 struct stackelement {
194 stackptr prev; /* pointer to next element towards bottom */
195 s4 type; /* slot type of stack element */
196 #ifdef ENABLE_VERIFIER
197 typeinfo typeinfo; /* info on reference types */
199 s4 flags; /* flags (SAVED, INMEMORY) */
200 s4 varkind; /* kind of variable or register */
201 s4 varnum; /* number of variable */
202 s4 regoff; /* register number or memory offset */
206 /**************************** instruction structure ***************************/
208 /* branch_target_t: used in TABLESWITCH tables */
211 s4 insindex; /* used between parse and stack */
212 basicblock *block; /* used from stack analysis onwards */
215 /* lookup_target_t: used in LOOKUPSWITCH tables */
218 s4 value; /* case value */
219 branch_target_t target; /* branch target, see above */
244 classref_or_classinfo c;
245 unresolved_class *uc;
246 ptrint constval; /* for PUT*CONST */
247 s4 tablelow; /* for TABLESWITCH */
248 u4 lookupcount; /* for LOOKUPSWITCH */
260 classref_or_classinfo c;
261 constant_FMIref *fmiref;
262 unresolved_method *um;
263 unresolved_field *uf;
264 insinfo_inline *inlineinfo; /* for INLINE_START/END */
265 s4 tablehigh; /* for TABLESWITCH */
266 branch_target_t lookupdefault; /* for LOOKUPSWITCH */
267 branch_target_t jsrtarget; /* for JSR */
268 struct builtintable_entry *bte;
271 /*** val operand ***/
279 java_objectheader *stringconst; /* for ACONST with string */
280 classref_or_classinfo c; /* for ACONST with class */
283 /*** dst operand ***/
292 basicblock *block; /* valid after stack analysis */
293 branch_target_t *table; /* for TABLESWITCH */
294 lookup_target_t *lookup; /* for LOOKUPSWITCH */
295 s4 insindex; /* used between parse and stack */
296 stackptr *dupslots; /* for SWAP, DUP* except DUP */
299 /*** flags (32 bits) ***/
301 #define INS_FLAG_UNRESOLVED 0x01 /* contains unresolved field/meth/class*/
302 #define INS_FLAG_CLASS 0x02 /* for ACONST with class */
303 #define INS_FLAG_ARRAY 0x04 /* for CHECKCAST/INSTANCEOF with array */
304 #define INS_FLAG_NOCHECK 0x08
308 struct { /* fields: */
311 u1 type; /* TYPE_* constant for fields */
312 u1 argcount; /* XXX does u1 suffice? */
313 /* for MULTIANEWARRAY and */
315 } f; /* XXX these could be made smaller */
316 /* only MULTIANEWARRAY needs the argcount */
320 bool unresolved:1; /* field/method is unresolved */
321 bool nocheck :1; /* don't check array access */
322 bool branch :1; /* branch to dst.target */
333 /*** instruction ***/
335 /* The instruction format for the intermediate representation: */
339 u2 line; /* line number */
340 #if SIZEOF_VOID_P == 8
341 flags_operand_t flags; /* 4 bytes */
343 s1_operand_t s1; /* pointer-size */
346 s2_operand_t s2; /* pointer-size */
347 s3_operand_t s3; /* pointer-size */
349 val_operand_t val; /* long-size */
351 dst_operand_t dst; /* pointer-size */
352 #if SIZEOF_VOID_P == 4
353 flags_operand_t flags; /* 4 bytes */
358 #define INSTRUCTION_IS_RESOLVED(iptr) \
359 (!((iptr)->flags.bits & INS_FLAG_UNRESOLVED))
361 #define INSTRUCTION_IS_UNRESOLVED(iptr) \
362 ((iptr)->flags.bits & INS_FLAG_UNRESOLVED)
364 #define INSTRUCTION_MUST_CHECK(iptr) \
365 (!((iptr)->flags.bits & INS_FLAG_NOCHECK))
367 #define INSTRUCTION_GET_FIELDREF(iptr,fref) \
369 if (iptr->flags.bits & INS_FLAG_UNRESOLVED) \
370 fref = iptr->sx.s23.s3.uf->fieldref; \
372 fref = iptr->sx.s23.s3.fmiref; \
375 #define INSTRUCTION_GET_METHODREF(iptr,mref) \
377 if (iptr->flags.bits & INS_FLAG_UNRESOLVED) \
378 mref = iptr->sx.s23.s3.um->methodref; \
380 mref = iptr->sx.s23.s3.fmiref; \
383 #define INSTRUCTION_GET_METHODDESC(iptr, md) \
385 if (iptr->flags.bits & INS_FLAG_UNRESOLVED) \
386 md = iptr->sx.s23.s3.um->methodref->parseddesc.md; \
388 md = iptr->sx.s23.s3.fmiref->parseddesc.md; \
392 /* additional info structs for special instructions ***************************/
394 /* for ICMD_INLINE_START and ICMD_INLINE_END */
396 struct insinfo_inline {
397 methodinfo *method; /* the inlined method starting/ending here */
398 methodinfo *outer; /* the outer method suspended/resumed here */
399 s4 startmpc; /* machine code offset of start of inlining */
400 s4 synclocal; /* local index used for synchronization */
401 bool synchronize; /* true if synchronization is needed */
404 /* basicblock *****************************************************************/
413 #define BBTYPECHECK_UNDEF 2
414 #define BBTYPECHECK_REACHED 3
416 #define BBTYPE_STD 0 /* standard basic block type */
417 #define BBTYPE_EXH 1 /* exception handler basic block type */
418 #define BBTYPE_SBR 2 /* subroutine basic block type */
420 #define BBFLAG_REPLACEMENT 0x01 /* put a replacement point at the start */
422 /* XXX basicblock wastes quite a lot of memory by having four flag fields */
423 /* (flags, bitflags, type and lflags). Probably the last three could be */
424 /* combined without loss of efficiency. The first one could be combined with */
425 /* the others by using bitfields. */
428 s4 nr; /* basic block number */
429 s4 flags; /* used during stack analysis, init with -1 */
430 s4 bitflags; /* OR of BBFLAG_... constants, init with 0 */
431 s4 type; /* basic block type (std, xhandler, subroutine*/
432 instruction *iinstr; /* pointer to intermediate code instructions */
433 s4 icount; /* number of intermediate code instructions */
434 s4 mpc; /* machine code pc at start of block */
435 stackptr instack; /* stack at begin of basic block */
436 stackptr *invars; /* array of in-variables at begin of block */
437 stackptr outstack; /* stack at end of basic block */
438 stackptr *outvars; /* array of out-variables at end of block */
439 s4 indepth; /* stack depth at begin of basic block */
440 s4 outdepth; /* stack depth end of basic block */
444 basicblock **predecessors; /* array of predecessor basic blocks */
445 basicblock **successors; /* array of successor basic blocks */
447 branchref *branchrefs; /* list of branches to be patched */
449 basicblock *next; /* used to build a BB list (instead of array) */
450 s4 lflags; /* used during loop copying, init with 0 */
451 basicblock *copied_to; /* points to the copy of this basic block */
452 /* when loop nodes are copied */
453 stackptr stack; /* start of stack array for this block */
454 /* (see doc/stack.txt) */
455 methodinfo *method; /* method this block belongs to */
459 /* Macro for initializing newly allocated basic block's. It does not
460 need to zero fields, as we zero out the whole basic block array. */
462 #define BASICBLOCK_INIT(bptr,m) \
466 bptr->type = BBTYPE_STD; \
467 bptr->method = (m); \
468 bptr->nr = (m)->c_debug_nr++; \
472 /* branchref *****************************************************************/
475 s4 branchpos; /* patching position in code segment */
476 branchref *next; /* next element in branchref list */
480 /********** op1 values for ACONST instructions ********************************/
482 #define ACONST_LOAD 0 /* ACONST_NULL or LDC instruction */
483 #define ACONST_BUILTIN 1 /* constant argument for a builtin function call */
486 /********** JavaVM operation codes (sorted) and instruction lengths ***********/
488 extern char *icmd_names[256];
489 extern char *opcode_names[256];
490 extern int jcommandsize[256];
495 #define JAVA_ACONST_NULL 1
496 #define ICMD_ACONST 1 /* val.a = constant */
498 #define JAVA_ICONST_M1 2
499 #define ICMD_CHECKNULL 2
501 #define JAVA_ICONST_0 3
502 #define ICMD_ICONST 3 /* val.i = constant */
504 #define JAVA_ICONST_1 4
505 #define ICMD_CHECKNULL_POP 4
507 #define JAVA_ICONST_2 5
508 #define ICMD_IDIVPOW2 5 /* val.i = constant */
510 #define JAVA_ICONST_3 6
511 #define ICMD_LDIVPOW2 6 /* val.l = constant */
513 #define JAVA_ICONST_4 7
515 #define JAVA_ICONST_5 8
517 #define JAVA_LCONST_0 9
518 #define ICMD_LCONST 9 /* val.l = constant */
520 #define JAVA_LCONST_1 10
521 #define ICMD_LCMPCONST 10 /* val.l = constant */
523 #define JAVA_FCONST_0 11
524 #define ICMD_FCONST 11 /* val.f = constant */
526 #define JAVA_FCONST_1 12
528 #define JAVA_FCONST_2 13
530 #define JAVA_DCONST_0 14
531 #define ICMD_DCONST 14 /* val.d = constant */
533 #define JAVA_DCONST_1 15
535 #define JAVA_BIPUSH 16
537 #define JAVA_SIPUSH 17
543 #define JAVA_LDC2W 20
545 /* order of LOAD instructions must be */
546 /* equal to order of TYPE_* defines */
547 #define JAVA_ILOAD 21
548 #define ICMD_ILOAD 21 /* op1 = local variable */
550 #define JAVA_LLOAD 22
551 #define ICMD_LLOAD 22 /* op1 = local variable */
553 #define JAVA_FLOAD 23
554 #define ICMD_FLOAD 23 /* op1 = local variable */
556 #define JAVA_DLOAD 24
557 #define ICMD_DLOAD 24 /* op1 = local variable */
559 #define JAVA_ALOAD 25
560 #define ICMD_ALOAD 25 /* op1 = local variable */
562 #define JAVA_ILOAD_0 26
563 #define ICMD_IADDCONST 26 /* val.i = constant */
565 #define JAVA_ILOAD_1 27
566 #define ICMD_ISUBCONST 27 /* val.i = constant */
568 #define JAVA_ILOAD_2 28
569 #define ICMD_IMULCONST 28 /* val.i = constant */
571 #define JAVA_ILOAD_3 29
572 #define ICMD_IANDCONST 29 /* val.i = constant */
574 #define JAVA_LLOAD_0 30
575 #define ICMD_IORCONST 30 /* val.i = constant */
577 #define JAVA_LLOAD_1 31
578 #define ICMD_IXORCONST 31 /* val.i = constant */
580 #define JAVA_LLOAD_2 32
581 #define ICMD_ISHLCONST 32 /* val.i = constant */
583 #define JAVA_LLOAD_3 33
584 #define ICMD_ISHRCONST 33 /* val.i = constant */
586 #define JAVA_FLOAD_0 34
587 #define ICMD_IUSHRCONST 34 /* val.i = constant */
589 #define JAVA_FLOAD_1 35
590 #define ICMD_IREMPOW2 35 /* val.i = constant */
592 #define JAVA_FLOAD_2 36
593 #define ICMD_LADDCONST 36 /* val.l = constant */
595 #define JAVA_FLOAD_3 37
596 #define ICMD_LSUBCONST 37 /* val.l = constant */
598 #define JAVA_DLOAD_0 38
599 #define ICMD_LMULCONST 38 /* val.l = constant */
601 #define JAVA_DLOAD_1 39
602 #define ICMD_LANDCONST 39 /* val.l = constant */
604 #define JAVA_DLOAD_2 40
605 #define ICMD_LORCONST 40 /* val.l = constant */
607 #define JAVA_DLOAD_3 41
608 #define ICMD_LXORCONST 41 /* val.l = constant */
610 #define JAVA_ALOAD_0 42
611 #define ICMD_LSHLCONST 42 /* val.l = constant */
613 #define JAVA_ALOAD_1 43
614 #define ICMD_LSHRCONST 43 /* val.l = constant */
616 #define JAVA_ALOAD_2 44
617 #define ICMD_LUSHRCONST 44 /* val.l = constant */
619 #define JAVA_ALOAD_3 45
620 #define ICMD_LREMPOW2 45 /* val.l = constant */
622 #define JAVA_IALOAD 46
623 #define ICMD_IALOAD 46
625 #define JAVA_LALOAD 47
626 #define ICMD_LALOAD 47
628 #define JAVA_FALOAD 48
629 #define ICMD_FALOAD 48
631 #define JAVA_DALOAD 49
632 #define ICMD_DALOAD 49
634 #define JAVA_AALOAD 50
635 #define ICMD_AALOAD 50
637 #define JAVA_BALOAD 51
638 #define ICMD_BALOAD 51
640 #define JAVA_CALOAD 52
641 #define ICMD_CALOAD 52
643 #define JAVA_SALOAD 53
644 #define ICMD_SALOAD 53
646 /* order of STORE instructions must be*/
647 /* equal to order of TYPE_* defines */
648 #define JAVA_ISTORE 54
649 #define ICMD_ISTORE 54 /* op1 = local variable */
651 #define JAVA_LSTORE 55
652 #define ICMD_LSTORE 55 /* op1 = local variable */
654 #define JAVA_FSTORE 56
655 #define ICMD_FSTORE 56 /* op1 = local variable */
657 #define JAVA_DSTORE 57
658 #define ICMD_DSTORE 57 /* op1 = local variable */
660 #define JAVA_ASTORE 58
661 #define ICMD_ASTORE 58 /* op1 = local variable */
663 #define JAVA_ISTORE_0 59
664 #define ICMD_IF_LEQ 59 /* op1 = target JavaVM pc, val.l */
666 #define JAVA_ISTORE_1 60
667 #define ICMD_IF_LNE 60 /* op1 = target JavaVM pc, val.l */
669 #define JAVA_ISTORE_2 61
670 #define ICMD_IF_LLT 61 /* op1 = target JavaVM pc, val.l */
672 #define JAVA_ISTORE_3 62
673 #define ICMD_IF_LGE 62 /* op1 = target JavaVM pc, val.l */
675 #define JAVA_LSTORE_0 63
676 #define ICMD_IF_LGT 63 /* op1 = target JavaVM pc, val.l */
678 #define JAVA_LSTORE_1 64
679 #define ICMD_IF_LLE 64 /* op1 = target JavaVM pc, val.l */
681 #define JAVA_LSTORE_2 65
682 #define ICMD_IF_LCMPEQ 65 /* op1 = target JavaVM pc */
684 #define JAVA_LSTORE_3 66
685 #define ICMD_IF_LCMPNE 66 /* op1 = target JavaVM pc */
687 #define JAVA_FSTORE_0 67
688 #define ICMD_IF_LCMPLT 67 /* op1 = target JavaVM pc */
690 #define JAVA_FSTORE_1 68
691 #define ICMD_IF_LCMPGE 68 /* op1 = target JavaVM pc */
693 #define JAVA_FSTORE_2 69
694 #define ICMD_IF_LCMPGT 69 /* op1 = target JavaVM pc */
696 #define JAVA_FSTORE_3 70
697 #define ICMD_IF_LCMPLE 70 /* op1 = target JavaVM pc */
699 #define JAVA_DSTORE_0 71
701 #define JAVA_DSTORE_1 72
703 #define JAVA_DSTORE_2 73
705 #define JAVA_DSTORE_3 74
707 #define JAVA_ASTORE_0 75
709 #define JAVA_ASTORE_1 76
711 #define JAVA_ASTORE_2 77
713 #define JAVA_ASTORE_3 78
715 #define JAVA_IASTORE 79
716 #define ICMD_IASTORE 79
718 #define JAVA_LASTORE 80
719 #define ICMD_LASTORE 80
721 #define JAVA_FASTORE 81
722 #define ICMD_FASTORE 81
724 #define JAVA_DASTORE 82
725 #define ICMD_DASTORE 82
727 #define JAVA_AASTORE 83
728 #define ICMD_AASTORE 83
730 #define JAVA_BASTORE 84
731 #define ICMD_BASTORE 84
733 #define JAVA_CASTORE 85
734 #define ICMD_CASTORE 85
736 #define JAVA_SASTORE 86
737 #define ICMD_SASTORE 86
748 #define JAVA_DUP_X1 90
749 #define ICMD_DUP_X1 90
751 #define JAVA_DUP_X2 91
752 #define ICMD_DUP_X2 91
757 #define JAVA_DUP2_X1 93
758 #define ICMD_DUP2_X1 93
760 #define JAVA_DUP2_X2 94
761 #define ICMD_DUP2_X2 94
778 #define JAVA_ISUB 100
779 #define ICMD_ISUB 100
781 #define JAVA_LSUB 101
782 #define ICMD_LSUB 101
784 #define JAVA_FSUB 102
785 #define ICMD_FSUB 102
787 #define JAVA_DSUB 103
788 #define ICMD_DSUB 103
790 #define JAVA_IMUL 104
791 #define ICMD_IMUL 104
793 #define JAVA_LMUL 105
794 #define ICMD_LMUL 105
796 #define JAVA_FMUL 106
797 #define ICMD_FMUL 106
799 #define JAVA_DMUL 107
800 #define ICMD_DMUL 107
802 #define JAVA_IDIV 108
803 #define ICMD_IDIV 108
805 #define JAVA_LDIV 109
806 #define ICMD_LDIV 109
808 #define JAVA_FDIV 110
809 #define ICMD_FDIV 110
811 #define JAVA_DDIV 111
812 #define ICMD_DDIV 111
814 #define JAVA_IREM 112
815 #define ICMD_IREM 112
817 #define JAVA_LREM 113
818 #define ICMD_LREM 113
820 #define JAVA_FREM 114
821 #define ICMD_FREM 114
823 #define JAVA_DREM 115
824 #define ICMD_DREM 115
826 #define JAVA_INEG 116
827 #define ICMD_INEG 116
829 #define JAVA_LNEG 117
830 #define ICMD_LNEG 117
832 #define JAVA_FNEG 118
833 #define ICMD_FNEG 118
835 #define JAVA_DNEG 119
836 #define ICMD_DNEG 119
838 #define JAVA_ISHL 120
839 #define ICMD_ISHL 120
841 #define JAVA_LSHL 121
842 #define ICMD_LSHL 121
844 #define JAVA_ISHR 122
845 #define ICMD_ISHR 122
847 #define JAVA_LSHR 123
848 #define ICMD_LSHR 123
850 #define JAVA_IUSHR 124
851 #define ICMD_IUSHR 124
853 #define JAVA_LUSHR 125
854 #define ICMD_LUSHR 125
856 #define JAVA_IAND 126
857 #define ICMD_IAND 126
859 #define JAVA_LAND 127
860 #define ICMD_LAND 127
868 #define JAVA_IXOR 130
869 #define ICMD_IXOR 130
871 #define JAVA_LXOR 131
872 #define ICMD_LXOR 131
874 #define JAVA_IINC 132
875 #define ICMD_IINC 132 /* op1 = local variable, val.i = constant */
913 #define JAVA_INT2BYTE 145
914 #define ICMD_INT2BYTE 145
916 #define JAVA_INT2CHAR 146
917 #define ICMD_INT2CHAR 146
919 #define JAVA_INT2SHORT 147
920 #define ICMD_INT2SHORT 147
922 #define JAVA_LCMP 148
923 #define ICMD_LCMP 148
925 #define JAVA_FCMPL 149
926 #define ICMD_FCMPL 149
928 #define JAVA_FCMPG 150
929 #define ICMD_FCMPG 150
931 #define JAVA_DCMPL 151
932 #define ICMD_DCMPL 151
934 #define JAVA_DCMPG 152
935 #define ICMD_DCMPG 152
937 #define JAVA_IFEQ 153
938 #define ICMD_IFEQ 153 /* op1 = target JavaVM pc, val.i */
940 #define JAVA_IFNE 154
941 #define ICMD_IFNE 154 /* op1 = target JavaVM pc, val.i */
943 #define JAVA_IFLT 155
944 #define ICMD_IFLT 155 /* op1 = target JavaVM pc, val.i */
946 #define JAVA_IFGE 156
947 #define ICMD_IFGE 156 /* op1 = target JavaVM pc, val.i */
949 #define JAVA_IFGT 157
950 #define ICMD_IFGT 157 /* op1 = target JavaVM pc, val.i */
952 #define JAVA_IFLE 158
953 #define ICMD_IFLE 158 /* op1 = target JavaVM pc, val.i */
955 #define JAVA_IF_ICMPEQ 159
956 #define ICMD_IF_ICMPEQ 159 /* op1 = target JavaVM pc */
958 #define JAVA_IF_ICMPNE 160
959 #define ICMD_IF_ICMPNE 160 /* op1 = target JavaVM pc */
961 #define JAVA_IF_ICMPLT 161
962 #define ICMD_IF_ICMPLT 161 /* op1 = target JavaVM pc */
964 #define JAVA_IF_ICMPGE 162
965 #define ICMD_IF_ICMPGE 162 /* op1 = target JavaVM pc */
967 #define JAVA_IF_ICMPGT 163
968 #define ICMD_IF_ICMPGT 163 /* op1 = target JavaVM pc */
970 #define JAVA_IF_ICMPLE 164
971 #define ICMD_IF_ICMPLE 164 /* op1 = target JavaVM pc */
973 #define JAVA_IF_ACMPEQ 165
974 #define ICMD_IF_ACMPEQ 165 /* op1 = target JavaVM pc */
976 #define JAVA_IF_ACMPNE 166
977 #define ICMD_IF_ACMPNE 166 /* op1 = target JavaVM pc */
979 #define JAVA_GOTO 167
980 #define ICMD_GOTO 167 /* op1 = target JavaVM pc */
983 #define ICMD_JSR 168 /* op1 = target JavaVM pc */
986 #define ICMD_RET 169 /* op1 = local variable */
988 #define JAVA_TABLESWITCH 170
989 #define ICMD_TABLESWITCH 170 /* val.a = pointer to s4 table */
990 /* length must be computed */
991 #define JAVA_LOOKUPSWITCH 171
992 #define ICMD_LOOKUPSWITCH 171 /* val.a = pointer to s4 table */
993 /* length must be computed */
994 #define JAVA_IRETURN 172
995 #define ICMD_IRETURN 172
997 #define JAVA_LRETURN 173
998 #define ICMD_LRETURN 173
1000 #define JAVA_FRETURN 174
1001 #define ICMD_FRETURN 174
1003 #define JAVA_DRETURN 175
1004 #define ICMD_DRETURN 175
1006 #define JAVA_ARETURN 176
1007 #define ICMD_ARETURN 176
1009 #define JAVA_RETURN 177
1010 #define ICMD_RETURN 177
1012 #define JAVA_GETSTATIC 178
1013 #define ICMD_GETSTATIC 178 /* op1 = type, val.a = field address */
1015 #define JAVA_PUTSTATIC 179
1016 #define ICMD_PUTSTATIC 179 /* op1 = type, val.a = field address */
1018 #define JAVA_GETFIELD 180
1019 #define ICMD_GETFIELD 180 /* op1 = type, val.i = field offset */
1021 #define JAVA_PUTFIELD 181
1022 #define ICMD_PUTFIELD 181 /* op1 = type, val.i = field offset */
1024 #define JAVA_INVOKEVIRTUAL 182
1025 #define ICMD_INVOKEVIRTUAL 182 /* val.a = method info pointer */
1027 #define JAVA_INVOKESPECIAL 183
1028 #define ICMD_INVOKESPECIAL 183 /* val.a = method info pointer */
1030 #define JAVA_INVOKESTATIC 184
1031 #define ICMD_INVOKESTATIC 184 /* val.a = method info pointer */
1033 #define JAVA_INVOKEINTERFACE 185
1034 #define ICMD_INVOKEINTERFACE 185 /* val.a = method info pointer */
1038 #define JAVA_NEW 187
1039 #define ICMD_NEW 187 /* op1 = 1, val.a = class pointer */
1041 #define JAVA_NEWARRAY 188
1042 #define ICMD_NEWARRAY 188 /* op1 = basic type */
1044 #define JAVA_ANEWARRAY 189
1045 #define ICMD_ANEWARRAY 189 /* op1 = 0, val.a = array pointer */
1046 /* op1 = 1, val.a = class pointer */
1047 #define JAVA_ARRAYLENGTH 190
1048 #define ICMD_ARRAYLENGTH 190
1050 #define JAVA_ATHROW 191
1051 #define ICMD_ATHROW 191
1053 #define JAVA_CHECKCAST 192
1054 #define ICMD_CHECKCAST 192 /* op1 = 0, val.a = array pointer */
1055 /* op1 = 1, val.a = class pointer */
1056 #define JAVA_INSTANCEOF 193
1057 #define ICMD_INSTANCEOF 193 /* op1 = 0, val.a = array pointer */
1058 /* op1 = 1, val.a = class pointer */
1059 #define JAVA_MONITORENTER 194
1060 #define ICMD_MONITORENTER 194
1062 #define JAVA_MONITOREXIT 195
1063 #define ICMD_MONITOREXIT 195
1065 #define JAVA_WIDE 196
1067 #define JAVA_MULTIANEWARRAY 197
1068 #define ICMD_MULTIANEWARRAY 197 /* op1 = dimension, val.a = array */
1070 #define JAVA_IFNULL 198
1071 #define ICMD_IFNULL 198 /* op1 = target JavaVM pc */
1073 #define JAVA_IFNONNULL 199
1074 #define ICMD_IFNONNULL 199 /* op1 = target JavaVM pc */
1076 #define JAVA_GOTO_W 200
1078 #define JAVA_JSR_W 201
1080 #define JAVA_BREAKPOINT 202
1084 #define ICMD_IASTORECONST 204
1085 #define ICMD_LASTORECONST 205
1086 #define ICMD_FASTORECONST 206
1087 #define ICMD_DASTORECONST 207
1088 #define ICMD_AASTORECONST 208
1089 #define ICMD_BASTORECONST 209
1090 #define ICMD_CASTORECONST 210
1091 #define ICMD_SASTORECONST 211
1093 #define ICMD_PUTSTATICCONST 212
1094 #define ICMD_PUTFIELDCONST 213
1096 #define ICMD_IMULPOW2 214
1097 #define ICMD_LMULPOW2 215
1099 #define ICMD_IF_FCMPEQ 216
1100 #define ICMD_IF_FCMPNE 217
1102 #define ICMD_IF_FCMPL_LT 218
1103 #define ICMD_IF_FCMPL_GE 219
1104 #define ICMD_IF_FCMPL_GT 220
1105 #define ICMD_IF_FCMPL_LE 221
1107 #define ICMD_IF_FCMPG_LT 222
1108 #define ICMD_IF_FCMPG_GE 223
1109 #define ICMD_IF_FCMPG_GT 224
1110 #define ICMD_IF_FCMPG_LE 225
1112 #define ICMD_IF_DCMPEQ 226
1113 #define ICMD_IF_DCMPNE 227
1115 #define ICMD_IF_DCMPL_LT 228
1116 #define ICMD_IF_DCMPL_GE 229
1117 #define ICMD_IF_DCMPL_GT 230
1118 #define ICMD_IF_DCMPL_LE 231
1120 #define ICMD_IF_DCMPG_LT 232
1121 #define ICMD_IF_DCMPG_GE 233
1122 #define ICMD_IF_DCMPG_GT 234
1123 #define ICMD_IF_DCMPG_LE 235
1125 #define ICMD_INLINE_START 251 /* instruction before inlined method */
1126 #define ICMD_INLINE_END 252 /* instruction after inlined method */
1127 #define ICMD_INLINE_GOTO 253 /* jump to caller of inlined method */
1129 #define ICMD_BUILTIN 255 /* internal opcode */
1132 /******************* description of JavaVM instructions ***********************/
1136 /***************************** register types *********************************/
1138 #define REG_RES 0 /* reserved register for OS or code generator */
1139 #define REG_RET 1 /* return value register */
1140 #define REG_EXC 2 /* exception value register */
1141 #define REG_SAV 3 /* (callee) saved register */
1142 #define REG_TMP 4 /* scratch temporary register (caller saved) */
1143 #define REG_ARG 5 /* argument register (caller saved) */
1145 #define REG_END -1 /* last entry in tables */
1147 #define PARAMMODE_NUMBERED 0
1148 #define PARAMMODE_STUFFED 1
1151 /***************************** register info block ****************************/
1153 extern int stackreq[256];
1154 /* extern int op_needs_saved[256]; */
1155 /* extern int op_is_pei[256]; */
1156 #define NEEDS_SAVED 0
1158 #define OP_DATA_SIZE 2
1159 extern int op_data[256][OP_DATA_SIZE];
1160 /* [0..255][NEEDS_SAVED] ... if ICMD needs a SAVEDVAR */
1161 /* [0..255][PEI] ... if ICMD could throw an exception */
1163 /* function prototypes ********************************************************/
1165 /* compiler initialisation */
1166 void jit_init(void);
1168 /* compiler finalisation */
1169 void jit_close(void);
1171 /* compile a method with jit compiler */
1172 u1 *jit_compile(methodinfo *m);
1173 u1 *jit_recompile(methodinfo *m);
1175 /* patch the method entrypoint */
1176 u1 *jit_asm_compile(methodinfo *m, u1 *mptr, u1 *sp, u1 *ra);
1178 s4 jit_complement_condition(s4 opcode);
1180 /* machine dependent functions */
1181 #if defined(ENABLE_JIT)
1184 u1 *md_get_method_patch_address(u1 *ra, stackframeinfo *sfi, u1 *mptr);
1186 void md_cacheflush(u1 *addr, s4 nbytes);
1187 void md_icacheflush(u1 *addr, s4 nbytes);
1188 void md_dcacheflush(u1 *addr, s4 nbytes);
1191 #if defined(ENABLE_INTRP)
1192 void intrp_md_init(void);
1199 * These are local overrides for various environment variables in Emacs.
1200 * Please do not remove this and leave it at the end of the file, where
1201 * Emacs will automagically detect them.
1202 * ---------------------------------------------------------------------
1205 * indent-tabs-mode: t
1209 * vim:noexpandtab:sw=4:ts=4: