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 5491 2006-09-14 18:16:06Z 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 /* macros for accessing variables *********************************************
179 Use VAROP for s1, s2, s3 and dst operands (eg. VAROP(iptr->s1)),
180 use VAR if you have the variable index (eg. VAR(iptr->sx.s23.s2.args[0])).
182 ******************************************************************************/
184 #define VAROP(v) (jd->var + (v).varindex)
185 #define VAR(i) (jd->var + (i))
188 /* stack element structure ****************************************************/
192 #define SAVEDVAR 1 /* variable has to survive method invocations */
193 #define INMEMORY 2 /* variable stored in memory */
194 #define SAVEDTMP 4 /* temporary variable using a saved register */
195 #define TMPARG 8 /* temporary variable using a arg register */
196 #define STCOPY 16 /* there is another stackslot alive "below" */
197 /* using the same register/memory location */
198 #define STKEEP 32 /* to prevent reg_mark_copy to free this */
200 #define PREALLOC 64 /* preallocated var like for ARGVARS. Used */
201 /* with the new var system */
202 #define OUTVAR 128 /* STACKVR flag for new var system */
204 #define IS_SAVEDVAR(x) ((x) & SAVEDVAR)
205 #define IS_INMEMORY(x) ((x) & INMEMORY)
210 #define UNDEFVAR 0 /* stack slot will become temp during regalloc*/
211 #define TEMPVAR 1 /* stack slot is temp register */
212 #define STACKVAR 2 /* stack slot is numbered stack slot */
213 #define LOCALVAR 3 /* stack slot is local variable */
214 #define ARGVAR 4 /* stack slot is argument variable */
217 struct stackelement {
218 stackptr prev; /* pointer to next element towards bottom */
219 instruction *creator; /* instruction that created this element */
220 s4 type; /* slot type of stack element */
221 #ifdef ENABLE_VERIFIER
222 typeinfo typeinfo; /* info on reference types */
224 s4 flags; /* flags (SAVED, INMEMORY) */
225 s4 varkind; /* kind of variable or register */
226 s4 varnum; /* number of variable */
227 s4 regoff; /* register number or memory offset */
231 /**************************** instruction structure ***************************/
233 /* branch_target_t: used in TABLESWITCH tables */
236 s4 insindex; /* used between parse and stack */
237 basicblock *block; /* used from stack analysis onwards */
240 /* lookup_target_t: used in LOOKUPSWITCH tables */
243 s4 value; /* case value */
244 branch_target_t target; /* branch target, see above */
259 classref_or_classinfo c;
260 unresolved_class *uc;
261 ptrint constval; /* for PUT*CONST */
262 s4 tablelow; /* for TABLESWITCH */
263 u4 lookupcount; /* for LOOKUPSWITCH */
271 classref_or_classinfo c;
272 constant_FMIref *fmiref;
273 unresolved_method *um;
274 unresolved_field *uf;
275 insinfo_inline *inlineinfo; /* for INLINE_START/END */
276 s4 tablehigh; /* for TABLESWITCH */
277 branch_target_t lookupdefault; /* for LOOKUPSWITCH */
278 branch_target_t jsrtarget; /* for JSR */
279 struct builtintable_entry *bte;
282 /*** val operand ***/
290 java_objectheader *stringconst; /* for ACONST with string */
291 classref_or_classinfo c; /* for ACONST with class */
294 /*** dst operand ***/
298 basicblock *block; /* valid after stack analysis */
299 branch_target_t *table; /* for TABLESWITCH */
300 lookup_target_t *lookup; /* for LOOKUPSWITCH */
301 s4 insindex; /* used between parse and stack */
304 /*** flags (32 bits) ***/
306 #define INS_FLAG_UNRESOLVED 0x01 /* contains unresolved field/meth/class*/
307 #define INS_FLAG_CLASS 0x02 /* for ACONST with class */
308 #define INS_FLAG_ARRAY 0x04 /* for CHECKCAST/INSTANCEOF with array */
309 #define INS_FLAG_CHECK 0x08 /* for *ALOAD|*ASTORE: check index */
310 /* for BUILTIN: check exception */
314 struct { /* fields: */
317 u1 type; /* TYPE_* constant for fields */
318 u1 argcount; /* XXX does u1 suffice? */
319 /* for MULTIANEWARRAY and */
321 } f; /* XXX these could be made smaller */
322 /* only MULTIANEWARRAY needs the argcount */
326 bool unresolved:1; /* field/method is unresolved */
327 bool nocheck :1; /* don't check array access */
328 bool branch :1; /* branch to dst.target */
339 /*** instruction ***/
341 /* The instruction format for the intermediate representation: */
345 u2 line; /* line number */
346 #if SIZEOF_VOID_P == 8
347 flags_operand_t flags; /* 4 bytes */
349 s1_operand_t s1; /* pointer-size */
352 s2_operand_t s2; /* pointer-size */
353 s3_operand_t s3; /* pointer-size */
355 val_operand_t val; /* long-size */
357 dst_operand_t dst; /* pointer-size */
358 #if SIZEOF_VOID_P == 4
359 flags_operand_t flags; /* 4 bytes */
364 #define INSTRUCTION_IS_RESOLVED(iptr) \
365 (!((iptr)->flags.bits & INS_FLAG_UNRESOLVED))
367 #define INSTRUCTION_IS_UNRESOLVED(iptr) \
368 ((iptr)->flags.bits & INS_FLAG_UNRESOLVED)
370 #define INSTRUCTION_MUST_CHECK(iptr) \
371 ((iptr)->flags.bits & INS_FLAG_CHECK)
373 #define INSTRUCTION_GET_FIELDREF(iptr,fref) \
375 if (iptr->flags.bits & INS_FLAG_UNRESOLVED) \
376 fref = iptr->sx.s23.s3.uf->fieldref; \
378 fref = iptr->sx.s23.s3.fmiref; \
381 #define INSTRUCTION_GET_METHODREF(iptr,mref) \
383 if (iptr->flags.bits & INS_FLAG_UNRESOLVED) \
384 mref = iptr->sx.s23.s3.um->methodref; \
386 mref = iptr->sx.s23.s3.fmiref; \
389 #define INSTRUCTION_GET_METHODDESC(iptr, md) \
391 if (iptr->flags.bits & INS_FLAG_UNRESOLVED) \
392 md = iptr->sx.s23.s3.um->methodref->parseddesc.md; \
394 md = iptr->sx.s23.s3.fmiref->parseddesc.md; \
398 /* additional info structs for special instructions ***************************/
400 /* for ICMD_INLINE_START and ICMD_INLINE_END */
402 struct insinfo_inline {
403 methodinfo *method; /* the inlined method starting/ending here */
404 methodinfo *outer; /* the outer method suspended/resumed here */
405 s4 startmpc; /* machine code offset of start of inlining */
406 s4 synclocal; /* local index used for synchronization */
407 bool synchronize; /* true if synchronization is needed */
410 /* basicblock *****************************************************************/
419 #define BBTYPECHECK_UNDEF 2
420 #define BBTYPECHECK_REACHED 3
422 #define BBTYPE_STD 0 /* standard basic block type */
423 #define BBTYPE_EXH 1 /* exception handler basic block type */
424 #define BBTYPE_SBR 2 /* subroutine basic block type */
426 #define BBFLAG_REPLACEMENT 0x01 /* put a replacement point at the start */
428 /* XXX basicblock wastes quite a lot of memory by having four flag fields */
429 /* (flags, bitflags, type and lflags). Probably the last three could be */
430 /* combined without loss of efficiency. The first one could be combined with */
431 /* the others by using bitfields. */
433 /* XXX "flags" should probably be called "state", as it is an integer state */
436 s4 nr; /* basic block number */
437 s4 flags; /* used during stack analysis, init with -1 */
438 s4 bitflags; /* OR of BBFLAG_... constants, init with 0 */
439 s4 type; /* basic block type (std, xhandler, subroutine*/
440 s4 lflags; /* used during loop copying, init with 0 */
442 s4 icount; /* number of intermediate code instructions */
443 instruction *iinstr; /* pointer to intermediate code instructions */
445 varinfo *inlocals; /* copy of locals on block entry */
446 s4 *invars; /* array of in-variables at begin of block */
447 s4 *outvars; /* array of out-variables at end of block */
448 s4 indepth; /* stack depth at begin of basic block */
449 s4 outdepth; /* stack depth end of basic block */
450 s4 varstart; /* index of first non-invar block variable */
451 s4 varcount; /* number of non-invar block variables */
455 basicblock **predecessors; /* array of predecessor basic blocks */
456 basicblock **successors; /* array of successor basic blocks */
458 branchref *branchrefs; /* list of branches to be patched */
460 basicblock *next; /* used to build a BB list (instead of array) */
461 basicblock *copied_to; /* points to the copy of this basic block */
462 /* when loop nodes are copied */
463 basicblock *original; /* block of which this block is a clone */
464 /* NULL for the original block itself */
465 methodinfo *method; /* method this block belongs to */
467 s4 mpc; /* machine code pc at start of block */
471 /* Macro for initializing newly allocated basic block's. It does not
472 need to zero fields, as we zero out the whole basic block array. */
474 #define BASICBLOCK_INIT(bptr,m) \
478 bptr->type = BBTYPE_STD; \
479 bptr->method = (m); \
480 bptr->nr = (m)->c_debug_nr++; \
484 /* branchref *****************************************************************/
487 s4 branchpos; /* patching position in code segment */
488 branchref *next; /* next element in branchref list */
492 /********** op1 values for ACONST instructions ********************************/
494 #define ACONST_LOAD 0 /* ACONST_NULL or LDC instruction */
495 #define ACONST_BUILTIN 1 /* constant argument for a builtin function call */
498 /********** JavaVM operation codes (sorted) and instruction lengths ***********/
500 extern char *icmd_names[256];
501 extern char *opcode_names[256];
502 extern int jcommandsize[256];
507 #define JAVA_ACONST_NULL 1
508 #define ICMD_ACONST 1 /* val.a = constant */
510 #define JAVA_ICONST_M1 2
511 #define ICMD_CHECKNULL 2
513 #define JAVA_ICONST_0 3
514 #define ICMD_ICONST 3 /* val.i = constant */
516 #define JAVA_ICONST_1 4
517 #define ICMD_CHECKNULL_POP 4
519 #define JAVA_ICONST_2 5
520 #define ICMD_IDIVPOW2 5 /* val.i = constant */
522 #define JAVA_ICONST_3 6
523 #define ICMD_LDIVPOW2 6 /* val.l = constant */
525 #define JAVA_ICONST_4 7
527 #define JAVA_ICONST_5 8
529 #define JAVA_LCONST_0 9
530 #define ICMD_LCONST 9 /* val.l = constant */
532 #define JAVA_LCONST_1 10
533 #define ICMD_LCMPCONST 10 /* val.l = constant */
535 #define JAVA_FCONST_0 11
536 #define ICMD_FCONST 11 /* val.f = constant */
538 #define JAVA_FCONST_1 12
540 #define JAVA_FCONST_2 13
542 #define JAVA_DCONST_0 14
543 #define ICMD_DCONST 14 /* val.d = constant */
545 #define JAVA_DCONST_1 15
548 #define JAVA_BIPUSH 16
551 #define JAVA_SIPUSH 17
557 #define JAVA_LDC2W 20
559 /* order of LOAD instructions must be */
560 /* equal to order of TYPE_* defines */
561 #define JAVA_ILOAD 21
562 #define ICMD_ILOAD 21 /* op1 = local variable */
564 #define JAVA_LLOAD 22
565 #define ICMD_LLOAD 22 /* op1 = local variable */
567 #define JAVA_FLOAD 23
568 #define ICMD_FLOAD 23 /* op1 = local variable */
570 #define JAVA_DLOAD 24
571 #define ICMD_DLOAD 24 /* op1 = local variable */
573 #define JAVA_ALOAD 25
574 #define ICMD_ALOAD 25 /* op1 = local variable */
576 #define JAVA_ILOAD_0 26
577 #define ICMD_IADDCONST 26 /* val.i = constant */
579 #define JAVA_ILOAD_1 27
580 #define ICMD_ISUBCONST 27 /* val.i = constant */
582 #define JAVA_ILOAD_2 28
583 #define ICMD_IMULCONST 28 /* val.i = constant */
585 #define JAVA_ILOAD_3 29
586 #define ICMD_IANDCONST 29 /* val.i = constant */
588 #define JAVA_LLOAD_0 30
589 #define ICMD_IORCONST 30 /* val.i = constant */
591 #define JAVA_LLOAD_1 31
592 #define ICMD_IXORCONST 31 /* val.i = constant */
594 #define JAVA_LLOAD_2 32
595 #define ICMD_ISHLCONST 32 /* val.i = constant */
597 #define JAVA_LLOAD_3 33
598 #define ICMD_ISHRCONST 33 /* val.i = constant */
600 #define JAVA_FLOAD_0 34
601 #define ICMD_IUSHRCONST 34 /* val.i = constant */
603 #define JAVA_FLOAD_1 35
604 #define ICMD_IREMPOW2 35 /* val.i = constant */
606 #define JAVA_FLOAD_2 36
607 #define ICMD_LADDCONST 36 /* val.l = constant */
609 #define JAVA_FLOAD_3 37
610 #define ICMD_LSUBCONST 37 /* val.l = constant */
612 #define JAVA_DLOAD_0 38
613 #define ICMD_LMULCONST 38 /* val.l = constant */
615 #define JAVA_DLOAD_1 39
616 #define ICMD_LANDCONST 39 /* val.l = constant */
618 #define JAVA_DLOAD_2 40
619 #define ICMD_LORCONST 40 /* val.l = constant */
621 #define JAVA_DLOAD_3 41
622 #define ICMD_LXORCONST 41 /* val.l = constant */
624 #define JAVA_ALOAD_0 42
625 #define ICMD_LSHLCONST 42 /* val.l = constant */
627 #define JAVA_ALOAD_1 43
628 #define ICMD_LSHRCONST 43 /* val.l = constant */
630 #define JAVA_ALOAD_2 44
631 #define ICMD_LUSHRCONST 44 /* val.l = constant */
633 #define JAVA_ALOAD_3 45
634 #define ICMD_LREMPOW2 45 /* val.l = constant */
636 #define JAVA_IALOAD 46
637 #define ICMD_IALOAD 46
639 #define JAVA_LALOAD 47
640 #define ICMD_LALOAD 47
642 #define JAVA_FALOAD 48
643 #define ICMD_FALOAD 48
645 #define JAVA_DALOAD 49
646 #define ICMD_DALOAD 49
648 #define JAVA_AALOAD 50
649 #define ICMD_AALOAD 50
651 #define JAVA_BALOAD 51
652 #define ICMD_BALOAD 51
654 #define JAVA_CALOAD 52
655 #define ICMD_CALOAD 52
657 #define JAVA_SALOAD 53
658 #define ICMD_SALOAD 53
660 /* order of STORE instructions must be*/
661 /* equal to order of TYPE_* defines */
662 #define JAVA_ISTORE 54
663 #define ICMD_ISTORE 54 /* op1 = local variable */
665 #define JAVA_LSTORE 55
666 #define ICMD_LSTORE 55 /* op1 = local variable */
668 #define JAVA_FSTORE 56
669 #define ICMD_FSTORE 56 /* op1 = local variable */
671 #define JAVA_DSTORE 57
672 #define ICMD_DSTORE 57 /* op1 = local variable */
674 #define JAVA_ASTORE 58
675 #define ICMD_ASTORE 58 /* op1 = local variable */
677 #define JAVA_ISTORE_0 59
678 #define ICMD_IF_LEQ 59 /* op1 = target JavaVM pc, val.l */
680 #define JAVA_ISTORE_1 60
681 #define ICMD_IF_LNE 60 /* op1 = target JavaVM pc, val.l */
683 #define JAVA_ISTORE_2 61
684 #define ICMD_IF_LLT 61 /* op1 = target JavaVM pc, val.l */
686 #define JAVA_ISTORE_3 62
687 #define ICMD_IF_LGE 62 /* op1 = target JavaVM pc, val.l */
689 #define JAVA_LSTORE_0 63
690 #define ICMD_IF_LGT 63 /* op1 = target JavaVM pc, val.l */
692 #define JAVA_LSTORE_1 64
693 #define ICMD_IF_LLE 64 /* op1 = target JavaVM pc, val.l */
695 #define JAVA_LSTORE_2 65
696 #define ICMD_IF_LCMPEQ 65 /* op1 = target JavaVM pc */
698 #define JAVA_LSTORE_3 66
699 #define ICMD_IF_LCMPNE 66 /* op1 = target JavaVM pc */
701 #define JAVA_FSTORE_0 67
702 #define ICMD_IF_LCMPLT 67 /* op1 = target JavaVM pc */
704 #define JAVA_FSTORE_1 68
705 #define ICMD_IF_LCMPGE 68 /* op1 = target JavaVM pc */
707 #define JAVA_FSTORE_2 69
708 #define ICMD_IF_LCMPGT 69 /* op1 = target JavaVM pc */
710 #define JAVA_FSTORE_3 70
711 #define ICMD_IF_LCMPLE 70 /* op1 = target JavaVM pc */
713 #define JAVA_DSTORE_0 71
715 #define JAVA_DSTORE_1 72
717 #define JAVA_DSTORE_2 73
719 #define JAVA_DSTORE_3 74
721 #define JAVA_ASTORE_0 75
723 #define JAVA_ASTORE_1 76
725 #define JAVA_ASTORE_2 77
727 #define JAVA_ASTORE_3 78
729 #define JAVA_IASTORE 79
730 #define ICMD_IASTORE 79
732 #define JAVA_LASTORE 80
733 #define ICMD_LASTORE 80
735 #define JAVA_FASTORE 81
736 #define ICMD_FASTORE 81
738 #define JAVA_DASTORE 82
739 #define ICMD_DASTORE 82
741 #define JAVA_AASTORE 83
742 #define ICMD_AASTORE 83
744 #define JAVA_BASTORE 84
745 #define ICMD_BASTORE 84
747 #define JAVA_CASTORE 85
748 #define ICMD_CASTORE 85
750 #define JAVA_SASTORE 86
751 #define ICMD_SASTORE 86
762 #define JAVA_DUP_X1 90
763 #define ICMD_DUP_X1 90
765 #define JAVA_DUP_X2 91
766 #define ICMD_DUP_X2 91
771 #define JAVA_DUP2_X1 93
772 #define ICMD_DUP2_X1 93
774 #define JAVA_DUP2_X2 94
775 #define ICMD_DUP2_X2 94
792 #define JAVA_ISUB 100
793 #define ICMD_ISUB 100
795 #define JAVA_LSUB 101
796 #define ICMD_LSUB 101
798 #define JAVA_FSUB 102
799 #define ICMD_FSUB 102
801 #define JAVA_DSUB 103
802 #define ICMD_DSUB 103
804 #define JAVA_IMUL 104
805 #define ICMD_IMUL 104
807 #define JAVA_LMUL 105
808 #define ICMD_LMUL 105
810 #define JAVA_FMUL 106
811 #define ICMD_FMUL 106
813 #define JAVA_DMUL 107
814 #define ICMD_DMUL 107
816 #define JAVA_IDIV 108
817 #define ICMD_IDIV 108
819 #define JAVA_LDIV 109
820 #define ICMD_LDIV 109
822 #define JAVA_FDIV 110
823 #define ICMD_FDIV 110
825 #define JAVA_DDIV 111
826 #define ICMD_DDIV 111
828 #define JAVA_IREM 112
829 #define ICMD_IREM 112
831 #define JAVA_LREM 113
832 #define ICMD_LREM 113
834 #define JAVA_FREM 114
835 #define ICMD_FREM 114
837 #define JAVA_DREM 115
838 #define ICMD_DREM 115
840 #define JAVA_INEG 116
841 #define ICMD_INEG 116
843 #define JAVA_LNEG 117
844 #define ICMD_LNEG 117
846 #define JAVA_FNEG 118
847 #define ICMD_FNEG 118
849 #define JAVA_DNEG 119
850 #define ICMD_DNEG 119
852 #define JAVA_ISHL 120
853 #define ICMD_ISHL 120
855 #define JAVA_LSHL 121
856 #define ICMD_LSHL 121
858 #define JAVA_ISHR 122
859 #define ICMD_ISHR 122
861 #define JAVA_LSHR 123
862 #define ICMD_LSHR 123
864 #define JAVA_IUSHR 124
865 #define ICMD_IUSHR 124
867 #define JAVA_LUSHR 125
868 #define ICMD_LUSHR 125
870 #define JAVA_IAND 126
871 #define ICMD_IAND 126
873 #define JAVA_LAND 127
874 #define ICMD_LAND 127
882 #define JAVA_IXOR 130
883 #define ICMD_IXOR 130
885 #define JAVA_LXOR 131
886 #define ICMD_LXOR 131
888 #define JAVA_IINC 132
889 #define ICMD_IINC 132 /* op1 = local variable, val.i = constant */
927 #define JAVA_INT2BYTE 145
928 #define ICMD_INT2BYTE 145
930 #define JAVA_INT2CHAR 146
931 #define ICMD_INT2CHAR 146
933 #define JAVA_INT2SHORT 147
934 #define ICMD_INT2SHORT 147
936 #define JAVA_LCMP 148
937 #define ICMD_LCMP 148
939 #define JAVA_FCMPL 149
940 #define ICMD_FCMPL 149
942 #define JAVA_FCMPG 150
943 #define ICMD_FCMPG 150
945 #define JAVA_DCMPL 151
946 #define ICMD_DCMPL 151
948 #define JAVA_DCMPG 152
949 #define ICMD_DCMPG 152
951 #define JAVA_IFEQ 153
952 #define ICMD_IFEQ 153 /* op1 = target JavaVM pc, val.i */
954 #define JAVA_IFNE 154
955 #define ICMD_IFNE 154 /* op1 = target JavaVM pc, val.i */
957 #define JAVA_IFLT 155
958 #define ICMD_IFLT 155 /* op1 = target JavaVM pc, val.i */
960 #define JAVA_IFGE 156
961 #define ICMD_IFGE 156 /* op1 = target JavaVM pc, val.i */
963 #define JAVA_IFGT 157
964 #define ICMD_IFGT 157 /* op1 = target JavaVM pc, val.i */
966 #define JAVA_IFLE 158
967 #define ICMD_IFLE 158 /* op1 = target JavaVM pc, val.i */
969 #define JAVA_IF_ICMPEQ 159
970 #define ICMD_IF_ICMPEQ 159 /* op1 = target JavaVM pc */
972 #define JAVA_IF_ICMPNE 160
973 #define ICMD_IF_ICMPNE 160 /* op1 = target JavaVM pc */
975 #define JAVA_IF_ICMPLT 161
976 #define ICMD_IF_ICMPLT 161 /* op1 = target JavaVM pc */
978 #define JAVA_IF_ICMPGE 162
979 #define ICMD_IF_ICMPGE 162 /* op1 = target JavaVM pc */
981 #define JAVA_IF_ICMPGT 163
982 #define ICMD_IF_ICMPGT 163 /* op1 = target JavaVM pc */
984 #define JAVA_IF_ICMPLE 164
985 #define ICMD_IF_ICMPLE 164 /* op1 = target JavaVM pc */
987 #define JAVA_IF_ACMPEQ 165
988 #define ICMD_IF_ACMPEQ 165 /* op1 = target JavaVM pc */
990 #define JAVA_IF_ACMPNE 166
991 #define ICMD_IF_ACMPNE 166 /* op1 = target JavaVM pc */
993 #define JAVA_GOTO 167
994 #define ICMD_GOTO 167 /* op1 = target JavaVM pc */
997 #define ICMD_JSR 168 /* op1 = target JavaVM pc */
1000 #define ICMD_RET 169 /* op1 = local variable */
1002 #define JAVA_TABLESWITCH 170
1003 #define ICMD_TABLESWITCH 170 /* val.a = pointer to s4 table */
1004 /* length must be computed */
1005 #define JAVA_LOOKUPSWITCH 171
1006 #define ICMD_LOOKUPSWITCH 171 /* val.a = pointer to s4 table */
1007 /* length must be computed */
1008 #define JAVA_IRETURN 172
1009 #define ICMD_IRETURN 172
1011 #define JAVA_LRETURN 173
1012 #define ICMD_LRETURN 173
1014 #define JAVA_FRETURN 174
1015 #define ICMD_FRETURN 174
1017 #define JAVA_DRETURN 175
1018 #define ICMD_DRETURN 175
1020 #define JAVA_ARETURN 176
1021 #define ICMD_ARETURN 176
1023 #define JAVA_RETURN 177
1024 #define ICMD_RETURN 177
1026 #define JAVA_GETSTATIC 178
1027 #define ICMD_GETSTATIC 178 /* op1 = type, val.a = field address */
1029 #define JAVA_PUTSTATIC 179
1030 #define ICMD_PUTSTATIC 179 /* op1 = type, val.a = field address */
1032 #define JAVA_GETFIELD 180
1033 #define ICMD_GETFIELD 180 /* op1 = type, val.i = field offset */
1035 #define JAVA_PUTFIELD 181
1036 #define ICMD_PUTFIELD 181 /* op1 = type, val.i = field offset */
1038 #define JAVA_INVOKEVIRTUAL 182
1039 #define ICMD_INVOKEVIRTUAL 182 /* val.a = method info pointer */
1041 #define JAVA_INVOKESPECIAL 183
1042 #define ICMD_INVOKESPECIAL 183 /* val.a = method info pointer */
1044 #define JAVA_INVOKESTATIC 184
1045 #define ICMD_INVOKESTATIC 184 /* val.a = method info pointer */
1047 #define JAVA_INVOKEINTERFACE 185
1048 #define ICMD_INVOKEINTERFACE 185 /* val.a = method info pointer */
1052 #define JAVA_NEW 187
1053 #define ICMD_NEW 187 /* op1 = 1, val.a = class pointer */
1055 #define JAVA_NEWARRAY 188
1056 #define ICMD_NEWARRAY 188 /* op1 = basic type */
1058 #define JAVA_ANEWARRAY 189
1059 #define ICMD_ANEWARRAY 189 /* op1 = 0, val.a = array pointer */
1060 /* op1 = 1, val.a = class pointer */
1061 #define JAVA_ARRAYLENGTH 190
1062 #define ICMD_ARRAYLENGTH 190
1064 #define JAVA_ATHROW 191
1065 #define ICMD_ATHROW 191
1067 #define JAVA_CHECKCAST 192
1068 #define ICMD_CHECKCAST 192 /* op1 = 0, val.a = array pointer */
1069 /* op1 = 1, val.a = class pointer */
1070 #define JAVA_INSTANCEOF 193
1071 #define ICMD_INSTANCEOF 193 /* op1 = 0, val.a = array pointer */
1072 /* op1 = 1, val.a = class pointer */
1073 #define JAVA_MONITORENTER 194
1074 #define ICMD_MONITORENTER 194
1076 #define JAVA_MONITOREXIT 195
1077 #define ICMD_MONITOREXIT 195
1079 #define JAVA_WIDE 196
1081 #define JAVA_MULTIANEWARRAY 197
1082 #define ICMD_MULTIANEWARRAY 197 /* op1 = dimension, val.a = array */
1084 #define JAVA_IFNULL 198
1085 #define ICMD_IFNULL 198 /* op1 = target JavaVM pc */
1087 #define JAVA_IFNONNULL 199
1088 #define ICMD_IFNONNULL 199 /* op1 = target JavaVM pc */
1090 #define JAVA_GOTO_W 200
1092 #define JAVA_JSR_W 201
1094 #define JAVA_BREAKPOINT 202
1098 #define ICMD_IASTORECONST 204
1099 #define ICMD_LASTORECONST 205
1100 #define ICMD_FASTORECONST 206
1101 #define ICMD_DASTORECONST 207
1102 #define ICMD_AASTORECONST 208
1103 #define ICMD_BASTORECONST 209
1104 #define ICMD_CASTORECONST 210
1105 #define ICMD_SASTORECONST 211
1107 #define ICMD_PUTSTATICCONST 212
1108 #define ICMD_PUTFIELDCONST 213
1110 #define ICMD_IMULPOW2 214
1111 #define ICMD_LMULPOW2 215
1113 #define ICMD_IF_FCMPEQ 216
1114 #define ICMD_IF_FCMPNE 217
1116 #define ICMD_IF_FCMPL_LT 218
1117 #define ICMD_IF_FCMPL_GE 219
1118 #define ICMD_IF_FCMPL_GT 220
1119 #define ICMD_IF_FCMPL_LE 221
1121 #define ICMD_IF_FCMPG_LT 222
1122 #define ICMD_IF_FCMPG_GE 223
1123 #define ICMD_IF_FCMPG_GT 224
1124 #define ICMD_IF_FCMPG_LE 225
1126 #define ICMD_IF_DCMPEQ 226
1127 #define ICMD_IF_DCMPNE 227
1129 #define ICMD_IF_DCMPL_LT 228
1130 #define ICMD_IF_DCMPL_GE 229
1131 #define ICMD_IF_DCMPL_GT 230
1132 #define ICMD_IF_DCMPL_LE 231
1134 #define ICMD_IF_DCMPG_LT 232
1135 #define ICMD_IF_DCMPG_GE 233
1136 #define ICMD_IF_DCMPG_GT 234
1137 #define ICMD_IF_DCMPG_LE 235
1139 #define ICMD_INLINE_START 251 /* instruction before inlined method */
1140 #define ICMD_INLINE_END 252 /* instruction after inlined method */
1141 #define ICMD_INLINE_GOTO 253 /* jump to caller of inlined method */
1143 #define ICMD_BUILTIN 255 /* internal opcode */
1146 /******************* description of JavaVM instructions ***********************/
1150 /***************************** register types *********************************/
1152 #define REG_RES 0 /* reserved register for OS or code generator */
1153 #define REG_RET 1 /* return value register */
1154 #define REG_EXC 2 /* exception value register */
1155 #define REG_SAV 3 /* (callee) saved register */
1156 #define REG_TMP 4 /* scratch temporary register (caller saved) */
1157 #define REG_ARG 5 /* argument register (caller saved) */
1159 #define REG_END -1 /* last entry in tables */
1161 #define PARAMMODE_NUMBERED 0
1162 #define PARAMMODE_STUFFED 1
1165 /***************************** register info block ****************************/
1167 extern int stackreq[256];
1168 /* extern int op_needs_saved[256]; */
1169 /* extern int op_is_pei[256]; */
1170 #define NEEDS_SAVED 0
1172 #define OP_DATA_SIZE 2
1173 extern int op_data[256][OP_DATA_SIZE];
1174 /* [0..255][NEEDS_SAVED] ... if ICMD needs a SAVEDVAR */
1175 /* [0..255][PEI] ... if ICMD could throw an exception */
1177 /* function prototypes ********************************************************/
1179 /* compiler initialisation */
1180 void jit_init(void);
1182 /* compiler finalisation */
1183 void jit_close(void);
1185 /* compile a method with jit compiler */
1186 u1 *jit_compile(methodinfo *m);
1187 u1 *jit_recompile(methodinfo *m);
1189 /* patch the method entrypoint */
1190 u1 *jit_asm_compile(methodinfo *m, u1 *mptr, u1 *sp, u1 *ra);
1192 s4 jit_complement_condition(s4 opcode);
1194 /* machine dependent functions */
1195 #if defined(ENABLE_JIT)
1198 u1 *md_get_method_patch_address(u1 *ra, stackframeinfo *sfi, u1 *mptr);
1200 void md_cacheflush(u1 *addr, s4 nbytes);
1201 void md_icacheflush(u1 *addr, s4 nbytes);
1202 void md_dcacheflush(u1 *addr, s4 nbytes);
1205 #if defined(ENABLE_INTRP)
1206 void intrp_md_init(void);
1213 * These are local overrides for various environment variables in Emacs.
1214 * Please do not remove this and leave it at the end of the file, where
1215 * Emacs will automagically detect them.
1216 * ---------------------------------------------------------------------
1219 * indent-tabs-mode: t
1223 * vim:noexpandtab:sw=4:ts=4: