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 5708 2006-10-06 22:37:13Z 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 *instructions; /* ICMDs, valid between parse and stack */
117 basicblock *basicblocks; /* start of basic block list */
118 s4 *basicblockindex; /* block index for each JavaPC */
119 /* valid between parse and stack */
120 stackelement *stack; /* XXX should become stack.c internal */
121 s4 instructioncount;/* XXX remove this? */
122 s4 basicblockcount; /* number of basic blocks */
123 s4 stackcount; /* number of stackelements to allocate */
124 /* (passed from parse to stack) */
125 s4 c_block_nr; /* counter for basic block number */
127 varinfo *var; /* array of variables */
128 s4 vartop; /* next free index in var array */
130 s4 varcount; /* number of variables in var array */
131 s4 localcount; /* number of locals at start of var ar. */
132 s4 *local_map; /* internal structure to rename(de-coallesc) locals */
133 /* and keep the coalescing info for simplereg. */
134 /* local_map[local_index * 5 + local_type] = */
135 /* new_index in rd->var or UNUSED */
136 interface_info *interface_map;
141 #define JITDATA_FLAG_PARSE 0x00000001
142 #define JITDATA_FLAG_VERIFY 0x00000002
144 #define JITDATA_FLAG_INSTRUMENT 0x00000004
146 #define JITDATA_FLAG_IFCONV 0x00000008
147 #define JITDATA_FLAG_REORDER 0x00000010
149 #define JITDATA_FLAG_SHOWINTERMEDIATE 0x20000000
150 #define JITDATA_FLAG_SHOWDISASSEMBLE 0x40000000
151 #define JITDATA_FLAG_VERBOSECALL 0x80000000
154 #define JITDATA_HAS_FLAG_PARSE(jd) \
155 ((jd)->flags & JITDATA_FLAG_PARSE)
157 #define JITDATA_HAS_FLAG_VERIFY(jd) \
158 ((jd)->flags & JITDATA_FLAG_VERIFY)
160 #define JITDATA_HAS_FLAG_INSTRUMENT(jd) \
161 ((jd)->flags & JITDATA_FLAG_INSTRUMENT)
163 #define JITDATA_HAS_FLAG_IFCONV(jd) \
164 ((jd)->flags & JITDATA_FLAG_IFCONV)
166 #define JITDATA_HAS_FLAG_REORDER(jd) \
167 ((jd)->flags & JITDATA_FLAG_REORDER)
169 #define JITDATA_HAS_FLAG_SHOWINTERMEDIATE(jd) \
170 ((jd)->flags & JITDATA_FLAG_SHOWINTERMEDIATE)
172 #define JITDATA_HAS_FLAG_SHOWDISASSEMBLE(jd) \
173 ((jd)->flags & JITDATA_FLAG_SHOWDISASSEMBLE)
175 #define JITDATA_HAS_FLAG_VERBOSECALL(jd) \
176 ((jd)->flags & JITDATA_FLAG_VERBOSECALL)
179 /* macros for accessing variables *********************************************
181 Use VAROP for s1, s2, s3 and dst operands (eg. VAROP(iptr->s1)),
182 use VAR if you have the variable index (eg. VAR(iptr->sx.s23.s2.args[0])).
184 ******************************************************************************/
186 #define VAROP(v) (jd->var + (v).varindex)
187 #define VAR(i) (jd->var + (i))
190 /* stack element structure ****************************************************/
194 #define SAVEDVAR 1 /* variable has to survive method invocations */
195 #define INMEMORY 2 /* variable stored in memory */
196 #define SAVREG 4 /* allocated to a saved register */
197 #define ARGREG 8 /* allocated to an arg register */
198 #define PREALLOC 64 /* preallocated var like for ARGVARS. Used */
199 /* with the new var system */
200 #define INOUT 128 /* variable is an invar or/and an outvar */
202 #define IS_SAVEDVAR(x) ((x) & SAVEDVAR)
203 #define IS_INMEMORY(x) ((x) & INMEMORY)
208 #define UNDEFVAR 0 /* stack slot will become temp during regalloc*/
209 #define TEMPVAR 1 /* stack slot is temp register */
210 #define STACKVAR 2 /* stack slot is numbered stack slot */
211 #define LOCALVAR 3 /* stack slot is local variable */
212 #define ARGVAR 4 /* stack slot is argument variable */
215 struct stackelement {
216 stackptr prev; /* pointer to next element towards bottom */
217 instruction *creator; /* instruction that created this element */
218 s4 type; /* slot type of stack element */
219 #ifdef ENABLE_VERIFIER
220 typeinfo typeinfo; /* info on reference types */
222 s4 flags; /* flags (SAVED, INMEMORY) */
223 s4 varkind; /* kind of variable or register */
224 s4 varnum; /* number of variable */
225 s4 regoff; /* register number or memory offset */
229 /**************************** instruction structure ***************************/
231 /* branch_target_t: used in TABLESWITCH tables */
234 s4 insindex; /* used between parse and stack */
235 basicblock *block; /* used from stack analysis onwards */
238 /* lookup_target_t: used in LOOKUPSWITCH tables */
241 s4 value; /* case value */
242 branch_target_t target; /* branch target, see above */
257 classref_or_classinfo c;
258 unresolved_class *uc;
259 ptrint constval; /* for PUT*CONST */
260 s4 tablelow; /* for TABLESWITCH */
261 u4 lookupcount; /* for LOOKUPSWITCH */
269 classref_or_classinfo c;
270 constant_FMIref *fmiref;
271 unresolved_method *um;
272 unresolved_field *uf;
273 insinfo_inline *inlineinfo; /* for INLINE_START/END */
274 s4 tablehigh; /* for TABLESWITCH */
275 branch_target_t lookupdefault; /* for LOOKUPSWITCH */
276 branch_target_t jsrtarget; /* for JSR */
277 struct builtintable_entry *bte;
280 /*** val operand ***/
288 java_objectheader *stringconst; /* for ACONST with string */
289 classref_or_classinfo c; /* for ACONST with class */
292 /*** dst operand ***/
296 basicblock *block; /* valid after stack analysis */
297 branch_target_t *table; /* for TABLESWITCH */
298 lookup_target_t *lookup; /* for LOOKUPSWITCH */
299 s4 insindex; /* used between parse and stack */
302 /*** flags (32 bits) ***/
304 #define INS_FLAG_UNRESOLVED 0x01 /* contains unresolved field/meth/class*/
305 #define INS_FLAG_CLASS 0x02 /* for ACONST with class */
306 #define INS_FLAG_ARRAY 0x04 /* for CHECKCAST/INSTANCEOF with array */
307 #define INS_FLAG_CHECK 0x08 /* for *ALOAD|*ASTORE: check index */
308 /* for BUILTIN: check exception */
312 struct { /* fields: */
315 u1 type; /* TYPE_* constant for fields */
316 u1 argcount; /* XXX does u1 suffice? */
317 /* for MULTIANEWARRAY and */
319 } f; /* XXX these could be made smaller */
320 /* only MULTIANEWARRAY needs the argcount */
324 bool unresolved:1; /* field/method is unresolved */
325 bool nocheck :1; /* don't check array access */
326 bool branch :1; /* branch to dst.target */
337 /*** instruction ***/
339 /* The instruction format for the intermediate representation: */
343 u2 line; /* line number */
344 #if SIZEOF_VOID_P == 8
345 flags_operand_t flags; /* 4 bytes */
347 s1_operand_t s1; /* pointer-size */
350 s2_operand_t s2; /* pointer-size */
351 s3_operand_t s3; /* pointer-size */
353 val_operand_t val; /* long-size */
355 dst_operand_t dst; /* pointer-size */
356 #if SIZEOF_VOID_P == 4
357 flags_operand_t flags; /* 4 bytes */
362 #define INSTRUCTION_IS_RESOLVED(iptr) \
363 (!((iptr)->flags.bits & INS_FLAG_UNRESOLVED))
365 #define INSTRUCTION_IS_UNRESOLVED(iptr) \
366 ((iptr)->flags.bits & INS_FLAG_UNRESOLVED)
368 #define INSTRUCTION_MUST_CHECK(iptr) \
369 ((iptr)->flags.bits & INS_FLAG_CHECK)
371 #define INSTRUCTION_GET_FIELDREF(iptr,fref) \
373 if (iptr->flags.bits & INS_FLAG_UNRESOLVED) \
374 fref = iptr->sx.s23.s3.uf->fieldref; \
376 fref = iptr->sx.s23.s3.fmiref; \
379 #define INSTRUCTION_GET_METHODREF(iptr,mref) \
381 if (iptr->flags.bits & INS_FLAG_UNRESOLVED) \
382 mref = iptr->sx.s23.s3.um->methodref; \
384 mref = iptr->sx.s23.s3.fmiref; \
387 #define INSTRUCTION_GET_METHODDESC(iptr, md) \
389 if (iptr->flags.bits & INS_FLAG_UNRESOLVED) \
390 md = iptr->sx.s23.s3.um->methodref->parseddesc.md; \
392 md = iptr->sx.s23.s3.fmiref->parseddesc.md; \
396 /* additional info structs for special instructions ***************************/
398 /* for ICMD_INLINE_START and ICMD_INLINE_END */
400 struct insinfo_inline {
401 methodinfo *method; /* the inlined method starting/ending here */
402 methodinfo *outer; /* the outer method suspended/resumed here */
403 s4 startmpc; /* machine code offset of start of inlining */
404 s4 synclocal; /* local index used for synchronization */
405 bool synchronize; /* true if synchronization is needed */
408 /* basicblock *****************************************************************/
417 #define BBTYPECHECK_UNDEF 2
418 #define BBTYPECHECK_REACHED 3
420 #define BBTYPE_STD 0 /* standard basic block type */
421 #define BBTYPE_EXH 1 /* exception handler basic block type */
422 #define BBTYPE_SBR 2 /* subroutine basic block type */
424 #define BBFLAG_REPLACEMENT 0x01 /* put a replacement point at the start */
426 /* XXX basicblock wastes quite a lot of memory by having four flag fields */
427 /* (flags, bitflags, type and lflags). Probably the last three could be */
428 /* combined without loss of efficiency. The first one could be combined with */
429 /* the others by using bitfields. */
431 /* XXX "flags" should probably be called "state", as it is an integer state */
434 s4 nr; /* basic block number */
435 s4 flags; /* used during stack analysis, init with -1 */
436 s4 bitflags; /* OR of BBFLAG_... constants, init with 0 */
437 s4 type; /* basic block type (std, xhandler, subroutine*/
438 s4 lflags; /* used during loop copying, init with 0 */
440 s4 icount; /* number of intermediate code instructions */
441 instruction *iinstr; /* pointer to intermediate code instructions */
443 varinfo *inlocals; /* copy of locals on block entry */
444 s4 *invars; /* array of in-variables at begin of block */
445 s4 *outvars; /* array of out-variables at end of block */
446 s4 indepth; /* stack depth at begin of basic block */
447 s4 outdepth; /* stack depth end of basic block */
448 s4 varstart; /* index of first non-invar block variable */
449 s4 varcount; /* number of non-invar block variables */
453 basicblock **predecessors; /* array of predecessor basic blocks */
454 basicblock **successors; /* array of successor basic blocks */
456 branchref *branchrefs; /* list of branches to be patched */
458 basicblock *next; /* used to build a BB list (instead of array) */
459 basicblock *copied_to; /* points to the copy of this basic block */
460 /* when loop nodes are copied */
461 basicblock *original; /* block of which this block is a clone */
462 /* NULL for the original block itself */
463 methodinfo *method; /* method this block belongs to */
465 s4 mpc; /* machine code pc at start of block */
469 /* Macro for initializing newly allocated basic block's. It does not
470 need to zero fields, as we zero out the whole basic block array. */
472 #define BASICBLOCK_INIT(bptr,m) \
476 bptr->type = BBTYPE_STD; \
477 bptr->method = (m); \
478 bptr->nr = (m)->c_block_nr++; \
482 /* branchref *****************************************************************/
485 s4 branchpos; /* patching position in code segment */
486 branchref *next; /* next element in branchref list */
490 /********** op1 values for ACONST instructions ********************************/
492 #define ACONST_LOAD 0 /* ACONST_NULL or LDC instruction */
493 #define ACONST_BUILTIN 1 /* constant argument for a builtin function call */
496 /********** JavaVM operation codes (sorted) and instruction lengths ***********/
498 extern char *icmd_names[256];
499 extern char *opcode_names[256];
500 extern int jcommandsize[256];
505 #define JAVA_ACONST_NULL 1
506 #define ICMD_ACONST 1 /* val.a = constant */
508 #define JAVA_ICONST_M1 2
509 #define ICMD_CHECKNULL 2
511 #define JAVA_ICONST_0 3
512 #define ICMD_ICONST 3 /* val.i = constant */
514 #define JAVA_ICONST_1 4
515 #define ICMD_CHECKNULL_POP 4
517 #define JAVA_ICONST_2 5
518 #define ICMD_IDIVPOW2 5 /* val.i = constant */
520 #define JAVA_ICONST_3 6
521 #define ICMD_LDIVPOW2 6 /* val.l = constant */
523 #define JAVA_ICONST_4 7
525 #define JAVA_ICONST_5 8
527 #define JAVA_LCONST_0 9
528 #define ICMD_LCONST 9 /* val.l = constant */
530 #define JAVA_LCONST_1 10
531 #define ICMD_LCMPCONST 10 /* val.l = constant */
533 #define JAVA_FCONST_0 11
534 #define ICMD_FCONST 11 /* val.f = constant */
536 #define JAVA_FCONST_1 12
538 #define JAVA_FCONST_2 13
540 #define JAVA_DCONST_0 14
541 #define ICMD_DCONST 14 /* val.d = constant */
543 #define JAVA_DCONST_1 15
546 #define JAVA_BIPUSH 16
549 #define JAVA_SIPUSH 17
555 #define JAVA_LDC2W 20
557 /* order of LOAD instructions must be */
558 /* equal to order of TYPE_* defines */
559 #define JAVA_ILOAD 21
560 #define ICMD_ILOAD 21 /* op1 = local variable */
562 #define JAVA_LLOAD 22
563 #define ICMD_LLOAD 22 /* op1 = local variable */
565 #define JAVA_FLOAD 23
566 #define ICMD_FLOAD 23 /* op1 = local variable */
568 #define JAVA_DLOAD 24
569 #define ICMD_DLOAD 24 /* op1 = local variable */
571 #define JAVA_ALOAD 25
572 #define ICMD_ALOAD 25 /* op1 = local variable */
574 #define JAVA_ILOAD_0 26
575 #define ICMD_IADDCONST 26 /* val.i = constant */
577 #define JAVA_ILOAD_1 27
578 #define ICMD_ISUBCONST 27 /* val.i = constant */
580 #define JAVA_ILOAD_2 28
581 #define ICMD_IMULCONST 28 /* val.i = constant */
583 #define JAVA_ILOAD_3 29
584 #define ICMD_IANDCONST 29 /* val.i = constant */
586 #define JAVA_LLOAD_0 30
587 #define ICMD_IORCONST 30 /* val.i = constant */
589 #define JAVA_LLOAD_1 31
590 #define ICMD_IXORCONST 31 /* val.i = constant */
592 #define JAVA_LLOAD_2 32
593 #define ICMD_ISHLCONST 32 /* val.i = constant */
595 #define JAVA_LLOAD_3 33
596 #define ICMD_ISHRCONST 33 /* val.i = constant */
598 #define JAVA_FLOAD_0 34
599 #define ICMD_IUSHRCONST 34 /* val.i = constant */
601 #define JAVA_FLOAD_1 35
602 #define ICMD_IREMPOW2 35 /* val.i = constant */
604 #define JAVA_FLOAD_2 36
605 #define ICMD_LADDCONST 36 /* val.l = constant */
607 #define JAVA_FLOAD_3 37
608 #define ICMD_LSUBCONST 37 /* val.l = constant */
610 #define JAVA_DLOAD_0 38
611 #define ICMD_LMULCONST 38 /* val.l = constant */
613 #define JAVA_DLOAD_1 39
614 #define ICMD_LANDCONST 39 /* val.l = constant */
616 #define JAVA_DLOAD_2 40
617 #define ICMD_LORCONST 40 /* val.l = constant */
619 #define JAVA_DLOAD_3 41
620 #define ICMD_LXORCONST 41 /* val.l = constant */
622 #define JAVA_ALOAD_0 42
623 #define ICMD_LSHLCONST 42 /* val.l = constant */
625 #define JAVA_ALOAD_1 43
626 #define ICMD_LSHRCONST 43 /* val.l = constant */
628 #define JAVA_ALOAD_2 44
629 #define ICMD_LUSHRCONST 44 /* val.l = constant */
631 #define JAVA_ALOAD_3 45
632 #define ICMD_LREMPOW2 45 /* val.l = constant */
634 #define JAVA_IALOAD 46
635 #define ICMD_IALOAD 46
637 #define JAVA_LALOAD 47
638 #define ICMD_LALOAD 47
640 #define JAVA_FALOAD 48
641 #define ICMD_FALOAD 48
643 #define JAVA_DALOAD 49
644 #define ICMD_DALOAD 49
646 #define JAVA_AALOAD 50
647 #define ICMD_AALOAD 50
649 #define JAVA_BALOAD 51
650 #define ICMD_BALOAD 51
652 #define JAVA_CALOAD 52
653 #define ICMD_CALOAD 52
655 #define JAVA_SALOAD 53
656 #define ICMD_SALOAD 53
658 /* order of STORE instructions must be*/
659 /* equal to order of TYPE_* defines */
660 #define JAVA_ISTORE 54
661 #define ICMD_ISTORE 54 /* op1 = local variable */
663 #define JAVA_LSTORE 55
664 #define ICMD_LSTORE 55 /* op1 = local variable */
666 #define JAVA_FSTORE 56
667 #define ICMD_FSTORE 56 /* op1 = local variable */
669 #define JAVA_DSTORE 57
670 #define ICMD_DSTORE 57 /* op1 = local variable */
672 #define JAVA_ASTORE 58
673 #define ICMD_ASTORE 58 /* op1 = local variable */
675 #define JAVA_ISTORE_0 59
676 #define ICMD_IF_LEQ 59 /* op1 = target JavaVM pc, val.l */
678 #define JAVA_ISTORE_1 60
679 #define ICMD_IF_LNE 60 /* op1 = target JavaVM pc, val.l */
681 #define JAVA_ISTORE_2 61
682 #define ICMD_IF_LLT 61 /* op1 = target JavaVM pc, val.l */
684 #define JAVA_ISTORE_3 62
685 #define ICMD_IF_LGE 62 /* op1 = target JavaVM pc, val.l */
687 #define JAVA_LSTORE_0 63
688 #define ICMD_IF_LGT 63 /* op1 = target JavaVM pc, val.l */
690 #define JAVA_LSTORE_1 64
691 #define ICMD_IF_LLE 64 /* op1 = target JavaVM pc, val.l */
693 #define JAVA_LSTORE_2 65
694 #define ICMD_IF_LCMPEQ 65 /* op1 = target JavaVM pc */
696 #define JAVA_LSTORE_3 66
697 #define ICMD_IF_LCMPNE 66 /* op1 = target JavaVM pc */
699 #define JAVA_FSTORE_0 67
700 #define ICMD_IF_LCMPLT 67 /* op1 = target JavaVM pc */
702 #define JAVA_FSTORE_1 68
703 #define ICMD_IF_LCMPGE 68 /* op1 = target JavaVM pc */
705 #define JAVA_FSTORE_2 69
706 #define ICMD_IF_LCMPGT 69 /* op1 = target JavaVM pc */
708 #define JAVA_FSTORE_3 70
709 #define ICMD_IF_LCMPLE 70 /* op1 = target JavaVM pc */
711 #define JAVA_DSTORE_0 71
713 #define JAVA_DSTORE_1 72
715 #define JAVA_DSTORE_2 73
717 #define JAVA_DSTORE_3 74
719 #define JAVA_ASTORE_0 75
721 #define JAVA_ASTORE_1 76
723 #define JAVA_ASTORE_2 77
725 #define JAVA_ASTORE_3 78
727 #define JAVA_IASTORE 79
728 #define ICMD_IASTORE 79
730 #define JAVA_LASTORE 80
731 #define ICMD_LASTORE 80
733 #define JAVA_FASTORE 81
734 #define ICMD_FASTORE 81
736 #define JAVA_DASTORE 82
737 #define ICMD_DASTORE 82
739 #define JAVA_AASTORE 83
740 #define ICMD_AASTORE 83
742 #define JAVA_BASTORE 84
743 #define ICMD_BASTORE 84
745 #define JAVA_CASTORE 85
746 #define ICMD_CASTORE 85
748 #define JAVA_SASTORE 86
749 #define ICMD_SASTORE 86
760 #define JAVA_DUP_X1 90
761 #define ICMD_DUP_X1 90
763 #define JAVA_DUP_X2 91
764 #define ICMD_DUP_X2 91
769 #define JAVA_DUP2_X1 93
770 #define ICMD_DUP2_X1 93
772 #define JAVA_DUP2_X2 94
773 #define ICMD_DUP2_X2 94
790 #define JAVA_ISUB 100
791 #define ICMD_ISUB 100
793 #define JAVA_LSUB 101
794 #define ICMD_LSUB 101
796 #define JAVA_FSUB 102
797 #define ICMD_FSUB 102
799 #define JAVA_DSUB 103
800 #define ICMD_DSUB 103
802 #define JAVA_IMUL 104
803 #define ICMD_IMUL 104
805 #define JAVA_LMUL 105
806 #define ICMD_LMUL 105
808 #define JAVA_FMUL 106
809 #define ICMD_FMUL 106
811 #define JAVA_DMUL 107
812 #define ICMD_DMUL 107
814 #define JAVA_IDIV 108
815 #define ICMD_IDIV 108
817 #define JAVA_LDIV 109
818 #define ICMD_LDIV 109
820 #define JAVA_FDIV 110
821 #define ICMD_FDIV 110
823 #define JAVA_DDIV 111
824 #define ICMD_DDIV 111
826 #define JAVA_IREM 112
827 #define ICMD_IREM 112
829 #define JAVA_LREM 113
830 #define ICMD_LREM 113
832 #define JAVA_FREM 114
833 #define ICMD_FREM 114
835 #define JAVA_DREM 115
836 #define ICMD_DREM 115
838 #define JAVA_INEG 116
839 #define ICMD_INEG 116
841 #define JAVA_LNEG 117
842 #define ICMD_LNEG 117
844 #define JAVA_FNEG 118
845 #define ICMD_FNEG 118
847 #define JAVA_DNEG 119
848 #define ICMD_DNEG 119
850 #define JAVA_ISHL 120
851 #define ICMD_ISHL 120
853 #define JAVA_LSHL 121
854 #define ICMD_LSHL 121
856 #define JAVA_ISHR 122
857 #define ICMD_ISHR 122
859 #define JAVA_LSHR 123
860 #define ICMD_LSHR 123
862 #define JAVA_IUSHR 124
863 #define ICMD_IUSHR 124
865 #define JAVA_LUSHR 125
866 #define ICMD_LUSHR 125
868 #define JAVA_IAND 126
869 #define ICMD_IAND 126
871 #define JAVA_LAND 127
872 #define ICMD_LAND 127
880 #define JAVA_IXOR 130
881 #define ICMD_IXOR 130
883 #define JAVA_LXOR 131
884 #define ICMD_LXOR 131
886 #define JAVA_IINC 132
887 #define ICMD_IINC 132 /* op1 = local variable, val.i = constant */
925 #define JAVA_INT2BYTE 145
926 #define ICMD_INT2BYTE 145
928 #define JAVA_INT2CHAR 146
929 #define ICMD_INT2CHAR 146
931 #define JAVA_INT2SHORT 147
932 #define ICMD_INT2SHORT 147
934 #define JAVA_LCMP 148
935 #define ICMD_LCMP 148
937 #define JAVA_FCMPL 149
938 #define ICMD_FCMPL 149
940 #define JAVA_FCMPG 150
941 #define ICMD_FCMPG 150
943 #define JAVA_DCMPL 151
944 #define ICMD_DCMPL 151
946 #define JAVA_DCMPG 152
947 #define ICMD_DCMPG 152
949 #define JAVA_IFEQ 153
950 #define ICMD_IFEQ 153 /* op1 = target JavaVM pc, val.i */
952 #define JAVA_IFNE 154
953 #define ICMD_IFNE 154 /* op1 = target JavaVM pc, val.i */
955 #define JAVA_IFLT 155
956 #define ICMD_IFLT 155 /* op1 = target JavaVM pc, val.i */
958 #define JAVA_IFGE 156
959 #define ICMD_IFGE 156 /* op1 = target JavaVM pc, val.i */
961 #define JAVA_IFGT 157
962 #define ICMD_IFGT 157 /* op1 = target JavaVM pc, val.i */
964 #define JAVA_IFLE 158
965 #define ICMD_IFLE 158 /* op1 = target JavaVM pc, val.i */
967 #define JAVA_IF_ICMPEQ 159
968 #define ICMD_IF_ICMPEQ 159 /* op1 = target JavaVM pc */
970 #define JAVA_IF_ICMPNE 160
971 #define ICMD_IF_ICMPNE 160 /* op1 = target JavaVM pc */
973 #define JAVA_IF_ICMPLT 161
974 #define ICMD_IF_ICMPLT 161 /* op1 = target JavaVM pc */
976 #define JAVA_IF_ICMPGE 162
977 #define ICMD_IF_ICMPGE 162 /* op1 = target JavaVM pc */
979 #define JAVA_IF_ICMPGT 163
980 #define ICMD_IF_ICMPGT 163 /* op1 = target JavaVM pc */
982 #define JAVA_IF_ICMPLE 164
983 #define ICMD_IF_ICMPLE 164 /* op1 = target JavaVM pc */
985 #define JAVA_IF_ACMPEQ 165
986 #define ICMD_IF_ACMPEQ 165 /* op1 = target JavaVM pc */
988 #define JAVA_IF_ACMPNE 166
989 #define ICMD_IF_ACMPNE 166 /* op1 = target JavaVM pc */
991 #define JAVA_GOTO 167
992 #define ICMD_GOTO 167 /* op1 = target JavaVM pc */
995 #define ICMD_JSR 168 /* op1 = target JavaVM pc */
998 #define ICMD_RET 169 /* op1 = local variable */
1000 #define JAVA_TABLESWITCH 170
1001 #define ICMD_TABLESWITCH 170 /* val.a = pointer to s4 table */
1002 /* length must be computed */
1003 #define JAVA_LOOKUPSWITCH 171
1004 #define ICMD_LOOKUPSWITCH 171 /* val.a = pointer to s4 table */
1005 /* length must be computed */
1006 #define JAVA_IRETURN 172
1007 #define ICMD_IRETURN 172
1009 #define JAVA_LRETURN 173
1010 #define ICMD_LRETURN 173
1012 #define JAVA_FRETURN 174
1013 #define ICMD_FRETURN 174
1015 #define JAVA_DRETURN 175
1016 #define ICMD_DRETURN 175
1018 #define JAVA_ARETURN 176
1019 #define ICMD_ARETURN 176
1021 #define JAVA_RETURN 177
1022 #define ICMD_RETURN 177
1024 #define JAVA_GETSTATIC 178
1025 #define ICMD_GETSTATIC 178 /* op1 = type, val.a = field address */
1027 #define JAVA_PUTSTATIC 179
1028 #define ICMD_PUTSTATIC 179 /* op1 = type, val.a = field address */
1030 #define JAVA_GETFIELD 180
1031 #define ICMD_GETFIELD 180 /* op1 = type, val.i = field offset */
1033 #define JAVA_PUTFIELD 181
1034 #define ICMD_PUTFIELD 181 /* op1 = type, val.i = field offset */
1036 #define JAVA_INVOKEVIRTUAL 182
1037 #define ICMD_INVOKEVIRTUAL 182 /* val.a = method info pointer */
1039 #define JAVA_INVOKESPECIAL 183
1040 #define ICMD_INVOKESPECIAL 183 /* val.a = method info pointer */
1042 #define JAVA_INVOKESTATIC 184
1043 #define ICMD_INVOKESTATIC 184 /* val.a = method info pointer */
1045 #define JAVA_INVOKEINTERFACE 185
1046 #define ICMD_INVOKEINTERFACE 185 /* val.a = method info pointer */
1050 #define JAVA_NEW 187
1051 #define ICMD_NEW 187 /* op1 = 1, val.a = class pointer */
1053 #define JAVA_NEWARRAY 188
1054 #define ICMD_NEWARRAY 188 /* op1 = basic type */
1056 #define JAVA_ANEWARRAY 189
1057 #define ICMD_ANEWARRAY 189 /* op1 = 0, val.a = array pointer */
1058 /* op1 = 1, val.a = class pointer */
1059 #define JAVA_ARRAYLENGTH 190
1060 #define ICMD_ARRAYLENGTH 190
1062 #define JAVA_ATHROW 191
1063 #define ICMD_ATHROW 191
1065 #define JAVA_CHECKCAST 192
1066 #define ICMD_CHECKCAST 192 /* op1 = 0, val.a = array pointer */
1067 /* op1 = 1, val.a = class pointer */
1068 #define JAVA_INSTANCEOF 193
1069 #define ICMD_INSTANCEOF 193 /* op1 = 0, val.a = array pointer */
1070 /* op1 = 1, val.a = class pointer */
1071 #define JAVA_MONITORENTER 194
1072 #define ICMD_MONITORENTER 194
1074 #define JAVA_MONITOREXIT 195
1075 #define ICMD_MONITOREXIT 195
1077 #define JAVA_WIDE 196
1079 #define JAVA_MULTIANEWARRAY 197
1080 #define ICMD_MULTIANEWARRAY 197 /* op1 = dimension, val.a = array */
1082 #define JAVA_IFNULL 198
1083 #define ICMD_IFNULL 198 /* op1 = target JavaVM pc */
1085 #define JAVA_IFNONNULL 199
1086 #define ICMD_IFNONNULL 199 /* op1 = target JavaVM pc */
1088 #define JAVA_GOTO_W 200
1090 #define JAVA_JSR_W 201
1092 #define JAVA_BREAKPOINT 202
1096 #define ICMD_IASTORECONST 204
1097 #define ICMD_LASTORECONST 205
1098 #define ICMD_FASTORECONST 206
1099 #define ICMD_DASTORECONST 207
1100 #define ICMD_AASTORECONST 208
1101 #define ICMD_BASTORECONST 209
1102 #define ICMD_CASTORECONST 210
1103 #define ICMD_SASTORECONST 211
1105 #define ICMD_PUTSTATICCONST 212
1106 #define ICMD_PUTFIELDCONST 213
1108 #define ICMD_IMULPOW2 214
1109 #define ICMD_LMULPOW2 215
1111 #define ICMD_IF_FCMPEQ 216
1112 #define ICMD_IF_FCMPNE 217
1114 #define ICMD_IF_FCMPL_LT 218
1115 #define ICMD_IF_FCMPL_GE 219
1116 #define ICMD_IF_FCMPL_GT 220
1117 #define ICMD_IF_FCMPL_LE 221
1119 #define ICMD_IF_FCMPG_LT 222
1120 #define ICMD_IF_FCMPG_GE 223
1121 #define ICMD_IF_FCMPG_GT 224
1122 #define ICMD_IF_FCMPG_LE 225
1124 #define ICMD_IF_DCMPEQ 226
1125 #define ICMD_IF_DCMPNE 227
1127 #define ICMD_IF_DCMPL_LT 228
1128 #define ICMD_IF_DCMPL_GE 229
1129 #define ICMD_IF_DCMPL_GT 230
1130 #define ICMD_IF_DCMPL_LE 231
1132 #define ICMD_IF_DCMPG_LT 232
1133 #define ICMD_IF_DCMPG_GE 233
1134 #define ICMD_IF_DCMPG_GT 234
1135 #define ICMD_IF_DCMPG_LE 235
1137 #define ICMD_INLINE_START 251 /* instruction before inlined method */
1138 #define ICMD_INLINE_END 252 /* instruction after inlined method */
1139 #define ICMD_INLINE_GOTO 253 /* jump to caller of inlined method */
1141 #define ICMD_BUILTIN 255 /* internal opcode */
1144 /******************* description of JavaVM instructions ***********************/
1148 /***************************** register types *********************************/
1150 #define REG_RES 0 /* reserved register for OS or code generator */
1151 #define REG_RET 1 /* return value register */
1152 #define REG_EXC 2 /* exception value register */
1153 #define REG_SAV 3 /* (callee) saved register */
1154 #define REG_TMP 4 /* scratch temporary register (caller saved) */
1155 #define REG_ARG 5 /* argument register (caller saved) */
1157 #define REG_END -1 /* last entry in tables */
1159 #define PARAMMODE_NUMBERED 0
1160 #define PARAMMODE_STUFFED 1
1163 /***************************** register info block ****************************/
1165 extern int stackreq[256];
1166 /* extern int op_needs_saved[256]; */
1167 /* extern int op_is_pei[256]; */
1168 #define NEEDS_SAVED 0
1170 #define OP_DATA_SIZE 2
1171 extern int op_data[256][OP_DATA_SIZE];
1172 /* [0..255][NEEDS_SAVED] ... if ICMD needs a SAVEDVAR */
1173 /* [0..255][PEI] ... if ICMD could throw an exception */
1175 /* function prototypes ********************************************************/
1177 /* compiler initialisation */
1178 void jit_init(void);
1180 /* compiler finalisation */
1181 void jit_close(void);
1183 /* compile a method with jit compiler */
1184 u1 *jit_compile(methodinfo *m);
1185 u1 *jit_recompile(methodinfo *m);
1187 /* patch the method entrypoint */
1188 u1 *jit_asm_compile(methodinfo *m, u1 *mptr, u1 *sp, u1 *ra);
1190 s4 jit_complement_condition(s4 opcode);
1192 /* machine dependent functions */
1193 #if defined(ENABLE_JIT)
1196 u1 *md_get_method_patch_address(u1 *ra, stackframeinfo *sfi, u1 *mptr);
1198 void md_cacheflush(u1 *addr, s4 nbytes);
1199 void md_icacheflush(u1 *addr, s4 nbytes);
1200 void md_dcacheflush(u1 *addr, s4 nbytes);
1203 #if defined(ENABLE_INTRP)
1204 void intrp_md_init(void);
1211 * These are local overrides for various environment variables in Emacs.
1212 * Please do not remove this and leave it at the end of the file, where
1213 * Emacs will automagically detect them.
1214 * ---------------------------------------------------------------------
1217 * indent-tabs-mode: t
1221 * vim:noexpandtab:sw=4:ts=4: