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 5460 2006-09-11 00:30:21Z edwin $
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 */
91 typedef struct interface_info interface_info;
93 struct interface_info {
99 /* jitdata ********************************************************************/
102 methodinfo *m; /* methodinfo of the method compiled */
106 #if defined(ENABLE_LOOP)
109 #if defined(ENABLE_SSA) || defined(ENABLE_LSRA)
113 u4 flags; /* contains JIT compiler flags */
114 bool isleafmethod; /* does method call subroutines */
116 instruction *new_instructions;
117 basicblock *new_basicblocks;
118 s4 *new_basicblockindex;
119 stackelement *new_stack;
120 s4 new_instructioncount;
121 s4 new_basicblockcount;
130 s4 *local_map; /* internal structure to rename(de-coallesc) locals */
131 /* and keep the coalescing info for simplereg. */
132 /* local_map[local_index * 5 + local_type] = */
133 /* new_index in rd->var or UNUSED */
134 interface_info *interface_map;
139 #define JITDATA_FLAG_PARSE 0x00000001
140 #define JITDATA_FLAG_VERIFY 0x00000002
142 #define JITDATA_FLAG_INSTRUMENT 0x00000004
144 #define JITDATA_FLAG_IFCONV 0x00000008
145 #define JITDATA_FLAG_REORDER 0x00000010
147 #define JITDATA_FLAG_SHOWINTERMEDIATE 0x20000000
148 #define JITDATA_FLAG_SHOWDISASSEMBLE 0x40000000
149 #define JITDATA_FLAG_VERBOSECALL 0x80000000
152 #define JITDATA_HAS_FLAG_PARSE(jd) \
153 ((jd)->flags & JITDATA_FLAG_PARSE)
155 #define JITDATA_HAS_FLAG_VERIFY(jd) \
156 ((jd)->flags & JITDATA_FLAG_VERIFY)
158 #define JITDATA_HAS_FLAG_INSTRUMENT(jd) \
159 ((jd)->flags & JITDATA_FLAG_INSTRUMENT)
161 #define JITDATA_HAS_FLAG_IFCONV(jd) \
162 ((jd)->flags & JITDATA_FLAG_IFCONV)
164 #define JITDATA_HAS_FLAG_REORDER(jd) \
165 ((jd)->flags & JITDATA_FLAG_REORDER)
167 #define JITDATA_HAS_FLAG_SHOWINTERMEDIATE(jd) \
168 ((jd)->flags & JITDATA_FLAG_SHOWINTERMEDIATE)
170 #define JITDATA_HAS_FLAG_SHOWDISASSEMBLE(jd) \
171 ((jd)->flags & JITDATA_FLAG_SHOWDISASSEMBLE)
173 #define JITDATA_HAS_FLAG_VERBOSECALL(jd) \
174 ((jd)->flags & JITDATA_FLAG_VERBOSECALL)
177 /* stack element structure ****************************************************/
181 #define SAVEDVAR 1 /* variable has to survive method invocations */
182 #define INMEMORY 2 /* variable stored in memory */
183 #define SAVEDTMP 4 /* temporary variable using a saved register */
184 #define TMPARG 8 /* temporary variable using a arg register */
185 #define STCOPY 16 /* there is another stackslot alive "below" */
186 /* using the same register/memory location */
187 #define STKEEP 32 /* to prevent reg_mark_copy to free this */
189 #define PREALLOC 64 /* preallocated var like for ARGVARS. Used */
190 /* with the new var system */
191 #define OUTVAR 128 /* STACKVR flag for new var system */
193 #define IS_SAVEDVAR(x) ((x) & SAVEDVAR)
194 #define IS_INMEMORY(x) ((x) & INMEMORY)
199 #define UNDEFVAR 0 /* stack slot will become temp during regalloc*/
200 #define TEMPVAR 1 /* stack slot is temp register */
201 #define STACKVAR 2 /* stack slot is numbered stack slot */
202 #define LOCALVAR 3 /* stack slot is local variable */
203 #define ARGVAR 4 /* stack slot is argument variable */
206 struct stackelement {
207 stackptr prev; /* pointer to next element towards bottom */
208 instruction *creator; /* instruction that created this element */
209 s4 type; /* slot type of stack element */
210 #ifdef ENABLE_VERIFIER
211 typeinfo typeinfo; /* info on reference types */
213 s4 flags; /* flags (SAVED, INMEMORY) */
214 s4 varkind; /* kind of variable or register */
215 s4 varnum; /* number of variable */
216 s4 regoff; /* register number or memory offset */
220 /**************************** instruction structure ***************************/
222 /* branch_target_t: used in TABLESWITCH tables */
225 s4 insindex; /* used between parse and stack */
226 basicblock *block; /* used from stack analysis onwards */
229 /* lookup_target_t: used in LOOKUPSWITCH tables */
232 s4 value; /* case value */
233 branch_target_t target; /* branch target, see above */
248 classref_or_classinfo c;
249 unresolved_class *uc;
250 ptrint constval; /* for PUT*CONST */
251 s4 tablelow; /* for TABLESWITCH */
252 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 ***/
287 basicblock *block; /* valid after stack analysis */
288 branch_target_t *table; /* for TABLESWITCH */
289 lookup_target_t *lookup; /* for LOOKUPSWITCH */
290 s4 insindex; /* used between parse and stack */
293 /*** flags (32 bits) ***/
295 #define INS_FLAG_UNRESOLVED 0x01 /* contains unresolved field/meth/class*/
296 #define INS_FLAG_CLASS 0x02 /* for ACONST with class */
297 #define INS_FLAG_ARRAY 0x04 /* for CHECKCAST/INSTANCEOF with array */
298 #define INS_FLAG_CHECK 0x08 /* for *ALOAD|*ASTORE: check index */
299 /* for BUILTIN: check exception */
303 struct { /* fields: */
306 u1 type; /* TYPE_* constant for fields */
307 u1 argcount; /* XXX does u1 suffice? */
308 /* for MULTIANEWARRAY and */
310 } f; /* XXX these could be made smaller */
311 /* only MULTIANEWARRAY needs the argcount */
315 bool unresolved:1; /* field/method is unresolved */
316 bool nocheck :1; /* don't check array access */
317 bool branch :1; /* branch to dst.target */
328 /*** instruction ***/
330 /* The instruction format for the intermediate representation: */
334 u2 line; /* line number */
335 #if SIZEOF_VOID_P == 8
336 flags_operand_t flags; /* 4 bytes */
338 s1_operand_t s1; /* pointer-size */
341 s2_operand_t s2; /* pointer-size */
342 s3_operand_t s3; /* pointer-size */
344 val_operand_t val; /* long-size */
346 dst_operand_t dst; /* pointer-size */
347 #if SIZEOF_VOID_P == 4
348 flags_operand_t flags; /* 4 bytes */
353 #define INSTRUCTION_IS_RESOLVED(iptr) \
354 (!((iptr)->flags.bits & INS_FLAG_UNRESOLVED))
356 #define INSTRUCTION_IS_UNRESOLVED(iptr) \
357 ((iptr)->flags.bits & INS_FLAG_UNRESOLVED)
359 #define INSTRUCTION_MUST_CHECK(iptr) \
360 ((iptr)->flags.bits & INS_FLAG_CHECK)
362 #define INSTRUCTION_GET_FIELDREF(iptr,fref) \
364 if (iptr->flags.bits & INS_FLAG_UNRESOLVED) \
365 fref = iptr->sx.s23.s3.uf->fieldref; \
367 fref = iptr->sx.s23.s3.fmiref; \
370 #define INSTRUCTION_GET_METHODREF(iptr,mref) \
372 if (iptr->flags.bits & INS_FLAG_UNRESOLVED) \
373 mref = iptr->sx.s23.s3.um->methodref; \
375 mref = iptr->sx.s23.s3.fmiref; \
378 #define INSTRUCTION_GET_METHODDESC(iptr, md) \
380 if (iptr->flags.bits & INS_FLAG_UNRESOLVED) \
381 md = iptr->sx.s23.s3.um->methodref->parseddesc.md; \
383 md = iptr->sx.s23.s3.fmiref->parseddesc.md; \
387 /* additional info structs for special instructions ***************************/
389 /* for ICMD_INLINE_START and ICMD_INLINE_END */
391 struct insinfo_inline {
392 methodinfo *method; /* the inlined method starting/ending here */
393 methodinfo *outer; /* the outer method suspended/resumed here */
394 s4 startmpc; /* machine code offset of start of inlining */
395 s4 synclocal; /* local index used for synchronization */
396 bool synchronize; /* true if synchronization is needed */
399 /* basicblock *****************************************************************/
408 #define BBTYPECHECK_UNDEF 2
409 #define BBTYPECHECK_REACHED 3
411 #define BBTYPE_STD 0 /* standard basic block type */
412 #define BBTYPE_EXH 1 /* exception handler basic block type */
413 #define BBTYPE_SBR 2 /* subroutine basic block type */
415 #define BBFLAG_REPLACEMENT 0x01 /* put a replacement point at the start */
417 /* XXX basicblock wastes quite a lot of memory by having four flag fields */
418 /* (flags, bitflags, type and lflags). Probably the last three could be */
419 /* combined without loss of efficiency. The first one could be combined with */
420 /* the others by using bitfields. */
422 /* XXX "flags" should probably be called "state", as it is an integer state */
425 s4 nr; /* basic block number */
426 s4 flags; /* used during stack analysis, init with -1 */
427 s4 bitflags; /* OR of BBFLAG_... constants, init with 0 */
428 s4 type; /* basic block type (std, xhandler, subroutine*/
429 s4 lflags; /* used during loop copying, init with 0 */
431 s4 icount; /* number of intermediate code instructions */
432 instruction *iinstr; /* pointer to intermediate code instructions */
434 varinfo *inlocals; /* copy of locals on block entry */
435 s4 *invars; /* array of in-variables at begin of block */
436 s4 *outvars; /* array of out-variables at end of block */
437 s4 indepth; /* stack depth at begin of basic block */
438 s4 outdepth; /* stack depth end of basic block */
439 s4 varstart; /* index of first non-invar block variable */
440 s4 varcount; /* number of non-invar block variables */
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 basicblock *copied_to; /* points to the copy of this basic block */
451 /* when loop nodes are copied */
452 basicblock *original; /* block of which this block is a clone */
453 /* NULL for the original block itself */
454 methodinfo *method; /* method this block belongs to */
456 s4 mpc; /* machine code pc at start of block */
460 /* Macro for initializing newly allocated basic block's. It does not
461 need to zero fields, as we zero out the whole basic block array. */
463 #define BASICBLOCK_INIT(bptr,m) \
467 bptr->type = BBTYPE_STD; \
468 bptr->method = (m); \
469 bptr->nr = (m)->c_debug_nr++; \
473 /* branchref *****************************************************************/
476 s4 branchpos; /* patching position in code segment */
477 branchref *next; /* next element in branchref list */
481 /********** op1 values for ACONST instructions ********************************/
483 #define ACONST_LOAD 0 /* ACONST_NULL or LDC instruction */
484 #define ACONST_BUILTIN 1 /* constant argument for a builtin function call */
487 /********** JavaVM operation codes (sorted) and instruction lengths ***********/
489 extern char *icmd_names[256];
490 extern char *opcode_names[256];
491 extern int jcommandsize[256];
496 #define JAVA_ACONST_NULL 1
497 #define ICMD_ACONST 1 /* val.a = constant */
499 #define JAVA_ICONST_M1 2
500 #define ICMD_CHECKNULL 2
502 #define JAVA_ICONST_0 3
503 #define ICMD_ICONST 3 /* val.i = constant */
505 #define JAVA_ICONST_1 4
506 #define ICMD_CHECKNULL_POP 4
508 #define JAVA_ICONST_2 5
509 #define ICMD_IDIVPOW2 5 /* val.i = constant */
511 #define JAVA_ICONST_3 6
512 #define ICMD_LDIVPOW2 6 /* val.l = constant */
514 #define JAVA_ICONST_4 7
516 #define JAVA_ICONST_5 8
518 #define JAVA_LCONST_0 9
519 #define ICMD_LCONST 9 /* val.l = constant */
521 #define JAVA_LCONST_1 10
522 #define ICMD_LCMPCONST 10 /* val.l = constant */
524 #define JAVA_FCONST_0 11
525 #define ICMD_FCONST 11 /* val.f = constant */
527 #define JAVA_FCONST_1 12
529 #define JAVA_FCONST_2 13
531 #define JAVA_DCONST_0 14
532 #define ICMD_DCONST 14 /* val.d = constant */
534 #define JAVA_DCONST_1 15
537 #define JAVA_BIPUSH 16
540 #define JAVA_SIPUSH 17
546 #define JAVA_LDC2W 20
548 /* order of LOAD instructions must be */
549 /* equal to order of TYPE_* defines */
550 #define JAVA_ILOAD 21
551 #define ICMD_ILOAD 21 /* op1 = local variable */
553 #define JAVA_LLOAD 22
554 #define ICMD_LLOAD 22 /* op1 = local variable */
556 #define JAVA_FLOAD 23
557 #define ICMD_FLOAD 23 /* op1 = local variable */
559 #define JAVA_DLOAD 24
560 #define ICMD_DLOAD 24 /* op1 = local variable */
562 #define JAVA_ALOAD 25
563 #define ICMD_ALOAD 25 /* op1 = local variable */
565 #define JAVA_ILOAD_0 26
566 #define ICMD_IADDCONST 26 /* val.i = constant */
568 #define JAVA_ILOAD_1 27
569 #define ICMD_ISUBCONST 27 /* val.i = constant */
571 #define JAVA_ILOAD_2 28
572 #define ICMD_IMULCONST 28 /* val.i = constant */
574 #define JAVA_ILOAD_3 29
575 #define ICMD_IANDCONST 29 /* val.i = constant */
577 #define JAVA_LLOAD_0 30
578 #define ICMD_IORCONST 30 /* val.i = constant */
580 #define JAVA_LLOAD_1 31
581 #define ICMD_IXORCONST 31 /* val.i = constant */
583 #define JAVA_LLOAD_2 32
584 #define ICMD_ISHLCONST 32 /* val.i = constant */
586 #define JAVA_LLOAD_3 33
587 #define ICMD_ISHRCONST 33 /* val.i = constant */
589 #define JAVA_FLOAD_0 34
590 #define ICMD_IUSHRCONST 34 /* val.i = constant */
592 #define JAVA_FLOAD_1 35
593 #define ICMD_IREMPOW2 35 /* val.i = constant */
595 #define JAVA_FLOAD_2 36
596 #define ICMD_LADDCONST 36 /* val.l = constant */
598 #define JAVA_FLOAD_3 37
599 #define ICMD_LSUBCONST 37 /* val.l = constant */
601 #define JAVA_DLOAD_0 38
602 #define ICMD_LMULCONST 38 /* val.l = constant */
604 #define JAVA_DLOAD_1 39
605 #define ICMD_LANDCONST 39 /* val.l = constant */
607 #define JAVA_DLOAD_2 40
608 #define ICMD_LORCONST 40 /* val.l = constant */
610 #define JAVA_DLOAD_3 41
611 #define ICMD_LXORCONST 41 /* val.l = constant */
613 #define JAVA_ALOAD_0 42
614 #define ICMD_LSHLCONST 42 /* val.l = constant */
616 #define JAVA_ALOAD_1 43
617 #define ICMD_LSHRCONST 43 /* val.l = constant */
619 #define JAVA_ALOAD_2 44
620 #define ICMD_LUSHRCONST 44 /* val.l = constant */
622 #define JAVA_ALOAD_3 45
623 #define ICMD_LREMPOW2 45 /* val.l = constant */
625 #define JAVA_IALOAD 46
626 #define ICMD_IALOAD 46
628 #define JAVA_LALOAD 47
629 #define ICMD_LALOAD 47
631 #define JAVA_FALOAD 48
632 #define ICMD_FALOAD 48
634 #define JAVA_DALOAD 49
635 #define ICMD_DALOAD 49
637 #define JAVA_AALOAD 50
638 #define ICMD_AALOAD 50
640 #define JAVA_BALOAD 51
641 #define ICMD_BALOAD 51
643 #define JAVA_CALOAD 52
644 #define ICMD_CALOAD 52
646 #define JAVA_SALOAD 53
647 #define ICMD_SALOAD 53
649 /* order of STORE instructions must be*/
650 /* equal to order of TYPE_* defines */
651 #define JAVA_ISTORE 54
652 #define ICMD_ISTORE 54 /* op1 = local variable */
654 #define JAVA_LSTORE 55
655 #define ICMD_LSTORE 55 /* op1 = local variable */
657 #define JAVA_FSTORE 56
658 #define ICMD_FSTORE 56 /* op1 = local variable */
660 #define JAVA_DSTORE 57
661 #define ICMD_DSTORE 57 /* op1 = local variable */
663 #define JAVA_ASTORE 58
664 #define ICMD_ASTORE 58 /* op1 = local variable */
666 #define JAVA_ISTORE_0 59
667 #define ICMD_IF_LEQ 59 /* op1 = target JavaVM pc, val.l */
669 #define JAVA_ISTORE_1 60
670 #define ICMD_IF_LNE 60 /* op1 = target JavaVM pc, val.l */
672 #define JAVA_ISTORE_2 61
673 #define ICMD_IF_LLT 61 /* op1 = target JavaVM pc, val.l */
675 #define JAVA_ISTORE_3 62
676 #define ICMD_IF_LGE 62 /* op1 = target JavaVM pc, val.l */
678 #define JAVA_LSTORE_0 63
679 #define ICMD_IF_LGT 63 /* op1 = target JavaVM pc, val.l */
681 #define JAVA_LSTORE_1 64
682 #define ICMD_IF_LLE 64 /* op1 = target JavaVM pc, val.l */
684 #define JAVA_LSTORE_2 65
685 #define ICMD_IF_LCMPEQ 65 /* op1 = target JavaVM pc */
687 #define JAVA_LSTORE_3 66
688 #define ICMD_IF_LCMPNE 66 /* op1 = target JavaVM pc */
690 #define JAVA_FSTORE_0 67
691 #define ICMD_IF_LCMPLT 67 /* op1 = target JavaVM pc */
693 #define JAVA_FSTORE_1 68
694 #define ICMD_IF_LCMPGE 68 /* op1 = target JavaVM pc */
696 #define JAVA_FSTORE_2 69
697 #define ICMD_IF_LCMPGT 69 /* op1 = target JavaVM pc */
699 #define JAVA_FSTORE_3 70
700 #define ICMD_IF_LCMPLE 70 /* op1 = target JavaVM pc */
702 #define JAVA_DSTORE_0 71
704 #define JAVA_DSTORE_1 72
706 #define JAVA_DSTORE_2 73
708 #define JAVA_DSTORE_3 74
710 #define JAVA_ASTORE_0 75
712 #define JAVA_ASTORE_1 76
714 #define JAVA_ASTORE_2 77
716 #define JAVA_ASTORE_3 78
718 #define JAVA_IASTORE 79
719 #define ICMD_IASTORE 79
721 #define JAVA_LASTORE 80
722 #define ICMD_LASTORE 80
724 #define JAVA_FASTORE 81
725 #define ICMD_FASTORE 81
727 #define JAVA_DASTORE 82
728 #define ICMD_DASTORE 82
730 #define JAVA_AASTORE 83
731 #define ICMD_AASTORE 83
733 #define JAVA_BASTORE 84
734 #define ICMD_BASTORE 84
736 #define JAVA_CASTORE 85
737 #define ICMD_CASTORE 85
739 #define JAVA_SASTORE 86
740 #define ICMD_SASTORE 86
751 #define JAVA_DUP_X1 90
752 #define ICMD_DUP_X1 90
754 #define JAVA_DUP_X2 91
755 #define ICMD_DUP_X2 91
760 #define JAVA_DUP2_X1 93
761 #define ICMD_DUP2_X1 93
763 #define JAVA_DUP2_X2 94
764 #define ICMD_DUP2_X2 94
781 #define JAVA_ISUB 100
782 #define ICMD_ISUB 100
784 #define JAVA_LSUB 101
785 #define ICMD_LSUB 101
787 #define JAVA_FSUB 102
788 #define ICMD_FSUB 102
790 #define JAVA_DSUB 103
791 #define ICMD_DSUB 103
793 #define JAVA_IMUL 104
794 #define ICMD_IMUL 104
796 #define JAVA_LMUL 105
797 #define ICMD_LMUL 105
799 #define JAVA_FMUL 106
800 #define ICMD_FMUL 106
802 #define JAVA_DMUL 107
803 #define ICMD_DMUL 107
805 #define JAVA_IDIV 108
806 #define ICMD_IDIV 108
808 #define JAVA_LDIV 109
809 #define ICMD_LDIV 109
811 #define JAVA_FDIV 110
812 #define ICMD_FDIV 110
814 #define JAVA_DDIV 111
815 #define ICMD_DDIV 111
817 #define JAVA_IREM 112
818 #define ICMD_IREM 112
820 #define JAVA_LREM 113
821 #define ICMD_LREM 113
823 #define JAVA_FREM 114
824 #define ICMD_FREM 114
826 #define JAVA_DREM 115
827 #define ICMD_DREM 115
829 #define JAVA_INEG 116
830 #define ICMD_INEG 116
832 #define JAVA_LNEG 117
833 #define ICMD_LNEG 117
835 #define JAVA_FNEG 118
836 #define ICMD_FNEG 118
838 #define JAVA_DNEG 119
839 #define ICMD_DNEG 119
841 #define JAVA_ISHL 120
842 #define ICMD_ISHL 120
844 #define JAVA_LSHL 121
845 #define ICMD_LSHL 121
847 #define JAVA_ISHR 122
848 #define ICMD_ISHR 122
850 #define JAVA_LSHR 123
851 #define ICMD_LSHR 123
853 #define JAVA_IUSHR 124
854 #define ICMD_IUSHR 124
856 #define JAVA_LUSHR 125
857 #define ICMD_LUSHR 125
859 #define JAVA_IAND 126
860 #define ICMD_IAND 126
862 #define JAVA_LAND 127
863 #define ICMD_LAND 127
871 #define JAVA_IXOR 130
872 #define ICMD_IXOR 130
874 #define JAVA_LXOR 131
875 #define ICMD_LXOR 131
877 #define JAVA_IINC 132
878 #define ICMD_IINC 132 /* op1 = local variable, val.i = constant */
916 #define JAVA_INT2BYTE 145
917 #define ICMD_INT2BYTE 145
919 #define JAVA_INT2CHAR 146
920 #define ICMD_INT2CHAR 146
922 #define JAVA_INT2SHORT 147
923 #define ICMD_INT2SHORT 147
925 #define JAVA_LCMP 148
926 #define ICMD_LCMP 148
928 #define JAVA_FCMPL 149
929 #define ICMD_FCMPL 149
931 #define JAVA_FCMPG 150
932 #define ICMD_FCMPG 150
934 #define JAVA_DCMPL 151
935 #define ICMD_DCMPL 151
937 #define JAVA_DCMPG 152
938 #define ICMD_DCMPG 152
940 #define JAVA_IFEQ 153
941 #define ICMD_IFEQ 153 /* op1 = target JavaVM pc, val.i */
943 #define JAVA_IFNE 154
944 #define ICMD_IFNE 154 /* op1 = target JavaVM pc, val.i */
946 #define JAVA_IFLT 155
947 #define ICMD_IFLT 155 /* op1 = target JavaVM pc, val.i */
949 #define JAVA_IFGE 156
950 #define ICMD_IFGE 156 /* op1 = target JavaVM pc, val.i */
952 #define JAVA_IFGT 157
953 #define ICMD_IFGT 157 /* op1 = target JavaVM pc, val.i */
955 #define JAVA_IFLE 158
956 #define ICMD_IFLE 158 /* op1 = target JavaVM pc, val.i */
958 #define JAVA_IF_ICMPEQ 159
959 #define ICMD_IF_ICMPEQ 159 /* op1 = target JavaVM pc */
961 #define JAVA_IF_ICMPNE 160
962 #define ICMD_IF_ICMPNE 160 /* op1 = target JavaVM pc */
964 #define JAVA_IF_ICMPLT 161
965 #define ICMD_IF_ICMPLT 161 /* op1 = target JavaVM pc */
967 #define JAVA_IF_ICMPGE 162
968 #define ICMD_IF_ICMPGE 162 /* op1 = target JavaVM pc */
970 #define JAVA_IF_ICMPGT 163
971 #define ICMD_IF_ICMPGT 163 /* op1 = target JavaVM pc */
973 #define JAVA_IF_ICMPLE 164
974 #define ICMD_IF_ICMPLE 164 /* op1 = target JavaVM pc */
976 #define JAVA_IF_ACMPEQ 165
977 #define ICMD_IF_ACMPEQ 165 /* op1 = target JavaVM pc */
979 #define JAVA_IF_ACMPNE 166
980 #define ICMD_IF_ACMPNE 166 /* op1 = target JavaVM pc */
982 #define JAVA_GOTO 167
983 #define ICMD_GOTO 167 /* op1 = target JavaVM pc */
986 #define ICMD_JSR 168 /* op1 = target JavaVM pc */
989 #define ICMD_RET 169 /* op1 = local variable */
991 #define JAVA_TABLESWITCH 170
992 #define ICMD_TABLESWITCH 170 /* val.a = pointer to s4 table */
993 /* length must be computed */
994 #define JAVA_LOOKUPSWITCH 171
995 #define ICMD_LOOKUPSWITCH 171 /* val.a = pointer to s4 table */
996 /* length must be computed */
997 #define JAVA_IRETURN 172
998 #define ICMD_IRETURN 172
1000 #define JAVA_LRETURN 173
1001 #define ICMD_LRETURN 173
1003 #define JAVA_FRETURN 174
1004 #define ICMD_FRETURN 174
1006 #define JAVA_DRETURN 175
1007 #define ICMD_DRETURN 175
1009 #define JAVA_ARETURN 176
1010 #define ICMD_ARETURN 176
1012 #define JAVA_RETURN 177
1013 #define ICMD_RETURN 177
1015 #define JAVA_GETSTATIC 178
1016 #define ICMD_GETSTATIC 178 /* op1 = type, val.a = field address */
1018 #define JAVA_PUTSTATIC 179
1019 #define ICMD_PUTSTATIC 179 /* op1 = type, val.a = field address */
1021 #define JAVA_GETFIELD 180
1022 #define ICMD_GETFIELD 180 /* op1 = type, val.i = field offset */
1024 #define JAVA_PUTFIELD 181
1025 #define ICMD_PUTFIELD 181 /* op1 = type, val.i = field offset */
1027 #define JAVA_INVOKEVIRTUAL 182
1028 #define ICMD_INVOKEVIRTUAL 182 /* val.a = method info pointer */
1030 #define JAVA_INVOKESPECIAL 183
1031 #define ICMD_INVOKESPECIAL 183 /* val.a = method info pointer */
1033 #define JAVA_INVOKESTATIC 184
1034 #define ICMD_INVOKESTATIC 184 /* val.a = method info pointer */
1036 #define JAVA_INVOKEINTERFACE 185
1037 #define ICMD_INVOKEINTERFACE 185 /* val.a = method info pointer */
1041 #define JAVA_NEW 187
1042 #define ICMD_NEW 187 /* op1 = 1, val.a = class pointer */
1044 #define JAVA_NEWARRAY 188
1045 #define ICMD_NEWARRAY 188 /* op1 = basic type */
1047 #define JAVA_ANEWARRAY 189
1048 #define ICMD_ANEWARRAY 189 /* op1 = 0, val.a = array pointer */
1049 /* op1 = 1, val.a = class pointer */
1050 #define JAVA_ARRAYLENGTH 190
1051 #define ICMD_ARRAYLENGTH 190
1053 #define JAVA_ATHROW 191
1054 #define ICMD_ATHROW 191
1056 #define JAVA_CHECKCAST 192
1057 #define ICMD_CHECKCAST 192 /* op1 = 0, val.a = array pointer */
1058 /* op1 = 1, val.a = class pointer */
1059 #define JAVA_INSTANCEOF 193
1060 #define ICMD_INSTANCEOF 193 /* op1 = 0, val.a = array pointer */
1061 /* op1 = 1, val.a = class pointer */
1062 #define JAVA_MONITORENTER 194
1063 #define ICMD_MONITORENTER 194
1065 #define JAVA_MONITOREXIT 195
1066 #define ICMD_MONITOREXIT 195
1068 #define JAVA_WIDE 196
1070 #define JAVA_MULTIANEWARRAY 197
1071 #define ICMD_MULTIANEWARRAY 197 /* op1 = dimension, val.a = array */
1073 #define JAVA_IFNULL 198
1074 #define ICMD_IFNULL 198 /* op1 = target JavaVM pc */
1076 #define JAVA_IFNONNULL 199
1077 #define ICMD_IFNONNULL 199 /* op1 = target JavaVM pc */
1079 #define JAVA_GOTO_W 200
1081 #define JAVA_JSR_W 201
1083 #define JAVA_BREAKPOINT 202
1087 #define ICMD_IASTORECONST 204
1088 #define ICMD_LASTORECONST 205
1089 #define ICMD_FASTORECONST 206
1090 #define ICMD_DASTORECONST 207
1091 #define ICMD_AASTORECONST 208
1092 #define ICMD_BASTORECONST 209
1093 #define ICMD_CASTORECONST 210
1094 #define ICMD_SASTORECONST 211
1096 #define ICMD_PUTSTATICCONST 212
1097 #define ICMD_PUTFIELDCONST 213
1099 #define ICMD_IMULPOW2 214
1100 #define ICMD_LMULPOW2 215
1102 #define ICMD_IF_FCMPEQ 216
1103 #define ICMD_IF_FCMPNE 217
1105 #define ICMD_IF_FCMPL_LT 218
1106 #define ICMD_IF_FCMPL_GE 219
1107 #define ICMD_IF_FCMPL_GT 220
1108 #define ICMD_IF_FCMPL_LE 221
1110 #define ICMD_IF_FCMPG_LT 222
1111 #define ICMD_IF_FCMPG_GE 223
1112 #define ICMD_IF_FCMPG_GT 224
1113 #define ICMD_IF_FCMPG_LE 225
1115 #define ICMD_IF_DCMPEQ 226
1116 #define ICMD_IF_DCMPNE 227
1118 #define ICMD_IF_DCMPL_LT 228
1119 #define ICMD_IF_DCMPL_GE 229
1120 #define ICMD_IF_DCMPL_GT 230
1121 #define ICMD_IF_DCMPL_LE 231
1123 #define ICMD_IF_DCMPG_LT 232
1124 #define ICMD_IF_DCMPG_GE 233
1125 #define ICMD_IF_DCMPG_GT 234
1126 #define ICMD_IF_DCMPG_LE 235
1128 #define ICMD_INLINE_START 251 /* instruction before inlined method */
1129 #define ICMD_INLINE_END 252 /* instruction after inlined method */
1130 #define ICMD_INLINE_GOTO 253 /* jump to caller of inlined method */
1132 #define ICMD_BUILTIN 255 /* internal opcode */
1135 /******************* description of JavaVM instructions ***********************/
1139 /***************************** register types *********************************/
1141 #define REG_RES 0 /* reserved register for OS or code generator */
1142 #define REG_RET 1 /* return value register */
1143 #define REG_EXC 2 /* exception value register */
1144 #define REG_SAV 3 /* (callee) saved register */
1145 #define REG_TMP 4 /* scratch temporary register (caller saved) */
1146 #define REG_ARG 5 /* argument register (caller saved) */
1148 #define REG_END -1 /* last entry in tables */
1150 #define PARAMMODE_NUMBERED 0
1151 #define PARAMMODE_STUFFED 1
1154 /***************************** register info block ****************************/
1156 extern int stackreq[256];
1157 /* extern int op_needs_saved[256]; */
1158 /* extern int op_is_pei[256]; */
1159 #define NEEDS_SAVED 0
1161 #define OP_DATA_SIZE 2
1162 extern int op_data[256][OP_DATA_SIZE];
1163 /* [0..255][NEEDS_SAVED] ... if ICMD needs a SAVEDVAR */
1164 /* [0..255][PEI] ... if ICMD could throw an exception */
1166 /* function prototypes ********************************************************/
1168 /* compiler initialisation */
1169 void jit_init(void);
1171 /* compiler finalisation */
1172 void jit_close(void);
1174 /* compile a method with jit compiler */
1175 u1 *jit_compile(methodinfo *m);
1176 u1 *jit_recompile(methodinfo *m);
1178 /* patch the method entrypoint */
1179 u1 *jit_asm_compile(methodinfo *m, u1 *mptr, u1 *sp, u1 *ra);
1181 s4 jit_complement_condition(s4 opcode);
1183 /* machine dependent functions */
1184 #if defined(ENABLE_JIT)
1187 u1 *md_get_method_patch_address(u1 *ra, stackframeinfo *sfi, u1 *mptr);
1189 void md_cacheflush(u1 *addr, s4 nbytes);
1190 void md_icacheflush(u1 *addr, s4 nbytes);
1191 void md_dcacheflush(u1 *addr, s4 nbytes);
1194 #if defined(ENABLE_INTRP)
1195 void intrp_md_init(void);
1202 * These are local overrides for various environment variables in Emacs.
1203 * Please do not remove this and leave it at the end of the file, where
1204 * Emacs will automagically detect them.
1205 * ---------------------------------------------------------------------
1208 * indent-tabs-mode: t
1212 * vim:noexpandtab:sw=4:ts=4: