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 5049 2006-06-23 12:07:26Z twisti $
41 /* forward typedefs ***********************************************************/
43 typedef struct jitdata jitdata;
44 typedef struct stackelement stackelement;
45 typedef stackelement *stackptr;
46 typedef struct basicblock basicblock;
47 typedef struct branchref branchref;
48 typedef struct instruction instruction;
49 typedef struct new_instruction new_instruction;
50 typedef struct insinfo_inline insinfo_inline;
56 #include "toolbox/chain.h"
57 #include "vm/global.h"
58 #include "vm/method.h"
59 #include "vm/references.h"
60 #include "vm/resolve.h"
61 #include "vm/statistics.h"
62 #include "vm/jit/codegen-common.h"
63 #include "vm/jit/reg.h"
64 #include "vm/jit/stacktrace.h"
66 #if defined(ENABLE_INLINING)
67 # include "vm/jit/inline/inline.h"
70 #if defined(ENABLE_LOOP)
71 # include "vm/jit/loop/loop.h"
74 #include "vm/jit/verify/typeinfo.h"
77 /* common jit/codegen macros **************************************************/
79 #if defined(ENABLE_STATISTICS)
80 # define COUNT(x) (x)++
81 # define COUNT_SPILLS count_spills++
83 # define COUNT(x) /* nothing */
84 # define COUNT_SPILLS /* nothing */
88 /* jitdata ********************************************************************/
90 #define JITDATA_FLAG_PARSE 0x00000001
91 #define JITDATA_FLAG_VERIFY 0x00000002
93 #define JITDATA_FLAG_IFCONV 0x00000004
95 #define JITDATA_FLAG_SHOWINTERMEDIATE 0x20000000
96 #define JITDATA_FLAG_SHOWDISASSEMBLE 0x40000000
97 #define JITDATA_FLAG_VERBOSECALL 0x80000000
100 #define JITDATA_HAS_FLAG_PARSE(jd) \
101 ((jd)->flags & JITDATA_FLAG_PARSE)
103 #define JITDATA_HAS_FLAG_VERIFY(jd) \
104 ((jd)->flags & JITDATA_FLAG_VERIFY)
106 #define JITDATA_HAS_FLAG_IFCONV(jd) \
107 ((jd)->flags & JITDATA_FLAG_IFCONV)
109 #define JITDATA_HAS_FLAG_SHOWINTERMEDIATE(jd) \
110 ((jd)->flags & JITDATA_FLAG_SHOWINTERMEDIATE)
112 #define JITDATA_HAS_FLAG_SHOWDISASSEMBLE(jd) \
113 ((jd)->flags & JITDATA_FLAG_SHOWDISASSEMBLE)
115 #define JITDATA_HAS_FLAG_VERBOSECALL(jd) \
116 ((jd)->flags & JITDATA_FLAG_VERBOSECALL)
120 methodinfo *m; /* methodinfo of the method compiled */
124 #if defined(ENABLE_LOOP)
127 u4 flags; /* contains JIT compiler flags */
129 new_instruction *new_instructions;
130 basicblock *new_basicblocks;
131 s4 *new_basicblockindex;
132 stackelement *new_stack;
133 s4 new_instructioncount;
134 s4 new_basicblockcount;
137 registerdata *new_rd;
141 /************************** stack element structure ***************************/
145 /* Unified these with longer names. Maybe someday use only
146 * one set of names? -Edwin
148 /*#define TYPE_INT 0*/ /* the stack slot types must numbered in the */
149 #define TYPE_LNG TYPE_LONG /*1*/ /* same order as the ICMD_Ixxx to ICMD_Axxx */
150 #define TYPE_FLT TYPE_FLOAT /*2*/ /* instructions (LOAD and STORE) */
151 #define TYPE_DBL TYPE_DOUBLE /*3*/ /* integer, long, float, double, address */
152 #define TYPE_ADR TYPE_ADDRESS /*4*/
154 #define IS_INT_LNG_TYPE(a) (!((a) & TYPE_FLT))
155 #define IS_FLT_DBL_TYPE(a) ((a) & TYPE_FLT)
156 #define IS_2_WORD_TYPE(a) ((a) & TYPE_LNG)
158 #define IS_INT_TYPE(a) ((a) == TYPE_INT)
159 #define IS_LNG_TYPE(a) ((a) == TYPE_LNG)
160 #define IS_ADR_TYPE(a) ((a) == TYPE_ADR)
165 #define SAVEDVAR 1 /* variable has to survive method invocations */
166 #define INMEMORY 2 /* variable stored in memory */
167 #define SAVEDTMP 4 /* temporary variable using a saved register */
168 #define TMPARG 8 /* temporary variable using a arg register */
169 #define STCOPY 16 /* there is another stackslot alive "below" */
170 /* using the same register/memory location */
171 #define STKEEP 32 /* to prevent reg_mark_copy to free this */
176 #define UNDEFVAR 0 /* stack slot will become temp during regalloc*/
177 #define TEMPVAR 1 /* stack slot is temp register */
178 #define STACKVAR 2 /* stack slot is numbered stack slot */
179 #define LOCALVAR 3 /* stack slot is local variable */
180 #define ARGVAR 4 /* stack slot is argument variable */
183 struct stackelement {
184 stackptr prev; /* pointer to next element towards bottom */
185 s4 type; /* slot type of stack element */
186 #ifdef ENABLE_VERIFIER
187 typeinfo typeinfo; /* info on reference types */
189 s4 flags; /* flags (SAVED, INMEMORY) */
190 s4 varkind; /* kind of variable or register */
191 s4 varnum; /* number of variable */
192 s4 regoff; /* register number or memory offset */
196 /**************************** instruction structure ***************************/
198 /* branch_target_t: used in TABLESWITCH tables */
201 s4 insindex; /* used between parse and stack */
202 basicblock *block; /* used from stack analysis onwards */
205 /* lookup_target_t: used in LOOKUPSWITCH tables */
208 s4 value; /* case value */
209 branch_target_t target; /* branch target, see above */
225 classref_or_classinfo c;
226 unresolved_class *uc;
227 ptrint constval; /* for PUT*CONST */
228 s4 tablelow; /* for TABLESWITCH */
229 u4 lookupcount; /* for LOOKUPSWITCH */
237 classref_or_classinfo c;
238 constant_FMIref *fmiref;
239 unresolved_method *um;
240 unresolved_field *uf;
241 insinfo_inline *inlineinfo; /* for INLINE_START/END */
242 s4 tablehigh; /* for TABLESWITCH */
243 branch_target_t lookupdefault; /* for LOOKUPSWITCH */
244 branch_target_t jsrtarget; /* for JSR */
245 struct builtintable_entry *bte;
248 /*** val operand ***/
256 java_objectheader *stringconst; /* for ACONST with string */
257 classref_or_classinfo c; /* for ACONST with class */
260 /*** dst operand ***/
265 basicblock *block; /* valid after stack analysis */
266 branch_target_t *table; /* for TABLESWITCH */
267 lookup_target_t *lookup; /* for LOOKUPSWITCH */
268 s4 insindex; /* used between parse and stack */
269 stackptr *dupslots; /* for SWAP, DUP* except DUP */
272 /*** flags (32 bits) ***/
274 #define INS_FLAG_UNRESOLVED 0x01 /* contains unresolved field/meth/class*/
275 #define INS_FLAG_CLASS 0x02 /* for ACONST with class */
276 #define INS_FLAG_ARRAY 0x04 /* for CHECKCAST/INSTANCEOF with array */
277 #define INS_FLAG_NOCHECK 0x08
281 struct { /* fields: */
284 u1 type; /* TYPE_* constant for fields */
285 u1 argcount; /* XXX does u1 suffice? */
286 /* for MULTIANEWARRAY and */
288 } f; /* XXX these could be made smaller */
289 /* only MULTIANEWARRAY needs the argcount */
293 bool unresolved:1; /* field/method is unresolved */
294 bool nocheck :1; /* don't check array access */
295 bool branch :1; /* branch to dst.target */
306 /*** instruction ***/
308 /* The new instruction format for the intermediate representation: */
310 struct new_instruction {
312 u2 line; /* line number */
313 #if SIZEOF_VOID_P == 8
314 flags_operand_t flags; /* 4 bytes */
316 s1_operand_t s1; /* pointer-size */
319 s2_operand_t s2; /* pointer-size */
320 s3_operand_t s3; /* pointer-size */
322 val_operand_t val; /* long-size */
324 dst_operand_t dst; /* pointer-size */
325 #if SIZEOF_VOID_P == 4
326 flags_operand_t flags; /* 4 bytes */
330 /* XXX This instruction format will become obsolete. */
333 stackptr dst; /* stack index of destination operand stack */
334 u2 opc; /* opcode of intermediate code command */
335 s4 op1; /* first operand, usually variable number */
336 imm_union val; /* immediate constant */
337 void *target; /* used for targets of branches and jumps */
338 /* and as address for list of targets for */
340 u2 line; /* line number in source file */
343 #define INSTRUCTION_IS_RESOLVED(iptr) \
344 (!((ptrint)(iptr)->target & 0x01)) /* XXX target used temporarily as flag */
346 #define INSTRUCTION_IS_UNRESOLVED(iptr) \
347 ((ptrint)(iptr)->target & 0x01) /* XXX target used temporarily as flag */
349 #define NEW_INSTRUCTION_GET_FIELDREF(iptr,fref) \
351 if (iptr->flags.bits & INS_FLAG_UNRESOLVED) \
352 fref = iptr->sx.s23.s3.uf->fieldref; \
354 fref = iptr->sx.s23.s3.fmiref; \
357 #define INSTRUCTION_GET_FIELDREF(iptr,fref) \
359 if (INSTRUCTION_IS_UNRESOLVED(iptr)) \
360 fref = ((unresolved_field *) (iptr)->val.a)->fieldref; \
362 fref = ((constant_FMIref *)(iptr)->val.a); \
365 #define NEW_INSTRUCTION_GET_METHODREF(iptr,mref) \
367 if (iptr->flags.bits & INS_FLAG_UNRESOLVED) \
368 mref = iptr->sx.s23.s3.um->methodref; \
370 mref = iptr->sx.s23.s3.fmiref; \
373 #define INSTRUCTION_GET_METHODREF(iptr,mref) \
375 if (INSTRUCTION_IS_UNRESOLVED(iptr)) \
376 mref = ((unresolved_method *) (iptr)->val.a)->methodref; \
378 mref = ((constant_FMIref *)(iptr)->val.a); \
381 #define INSTRUCTION_GET_FIELDDESC(iptr,fd) \
383 if (INSTRUCTION_IS_UNRESOLVED(iptr)) \
384 fd = ((unresolved_field *)(iptr)->val.a)->fieldref->parseddesc.fd; \
386 fd = ((constant_FMIref *)(iptr)->val.a)->parseddesc.fd; \
389 #define NEW_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; \
397 #define INSTRUCTION_GET_METHODDESC(iptr,md) \
399 if (INSTRUCTION_IS_UNRESOLVED(iptr)) \
400 md = ((unresolved_method *) (iptr)->val.a)->methodref->parseddesc.md; \
402 md = ((constant_FMIref *)(iptr)->val.a)->parseddesc.md; \
405 #define INSTRUCTION_UNRESOLVED_METHOD(iptr) \
406 ((unresolved_method *) (iptr)->val.a)
408 #define INSTRUCTION_UNRESOLVED_FIELD(iptr) \
409 ((unresolved_field *) (iptr)->val.a)
411 #define INSTRUCTION_RESOLVED_FMIREF(iptr) \
412 ((constant_FMIref *)(iptr)->val.a)
414 #define INSTRUCTION_RESOLVED_FIELDINFO(iptr) \
415 (INSTRUCTION_RESOLVED_FMIREF(iptr)->p.field)
417 #define INSTRUCTION_RESOLVED_METHODINFO(iptr) \
418 (INSTRUCTION_RESOLVED_FMIREF(iptr)->p.method)
420 #define INSTRUCTION_PUTCONST_TYPE(iptr) \
423 #define INSTRUCTION_PUTCONST_VALUE_ADR(iptr) \
426 #define INSTRUCTION_PUTCONST_FIELDINFO(iptr) \
427 ((fieldinfo *)((iptr)[1].val.a))
429 #define INSTRUCTION_PUTCONST_FIELDINFO_PTR(iptr) \
430 ((fieldinfo **) &((iptr)[1].val.a))
432 #define INSTRUCTION_PUTCONST_FIELDREF(iptr) \
433 ((unresolved_field *)((iptr)[1].target))
435 /* for ICMD_ACONST */
437 #define ICMD_ACONST_IS_CLASS(iptr) \
438 ((ptrint)(iptr)->target & 0x02) /* XXX target used temporarily as flag */
440 #define ICMD_ACONST_CLASSREF_OR_CLASSINFO(iptr) \
441 (CLASSREF_OR_CLASSINFO((iptr)->val.a))
443 #define ICMD_ACONST_RESOLVED_CLASSINFO(iptr) \
444 ((classinfo *) (iptr)->val.a)
446 #define ICMD_ACONST_UNRESOLVED_CLASSREF(iptr) \
447 ((constant_classref *) (iptr)->val.a)
450 /* additional info structs for special instructions ***************************/
452 /* for ICMD_INLINE_START and ICMD_INLINE_END */
454 struct insinfo_inline {
455 methodinfo *method; /* the inlined method starting/ending here */
456 methodinfo *outer; /* the outer method suspended/resumed here */
457 s4 startmpc; /* machine code offset of start of inlining */
458 s4 synclocal; /* local index used for synchronization */
459 bool synchronize; /* true if synchronization is needed */
462 /* basicblock *****************************************************************/
471 #define BBTYPECHECK_UNDEF 2
472 #define BBTYPECHECK_REACHED 3
474 #define BBTYPE_STD 0 /* standard basic block type */
475 #define BBTYPE_EXH 1 /* exception handler basic block type */
476 #define BBTYPE_SBR 2 /* subroutine basic block type */
478 #define BBFLAG_REPLACEMENT 0x01 /* put a replacement point at the start */
480 /* XXX basicblock wastes quite a lot of memory by having four flag fields */
481 /* (flags, bitflags, type and lflags). Probably the last three could be */
482 /* combined without loss of efficiency. The first one could be combined with */
483 /* the others by using bitfields. */
486 s4 debug_nr; /* basic block number */
487 s4 flags; /* used during stack analysis, init with -1 */
488 s4 bitflags; /* OR of BBFLAG_... constants, init with 0 */
489 s4 type; /* basic block type (std, xhandler, subroutine*/
490 instruction *iinstr; /* pointer to intermediate code instructions */
491 s4 icount; /* number of intermediate code instructions */
492 s4 mpc; /* machine code pc at start of block */
493 stackptr instack; /* stack at begin of basic block */
494 stackptr outstack; /* stack at end of basic block */
495 s4 indepth; /* stack depth at begin of basic block */
496 s4 outdepth; /* stack depth end of basic block */
497 s4 pre_count; /* count of predecessor basic blocks */
498 branchref *branchrefs; /* list of branches to be patched */
500 basicblock *next; /* used to build a BB list (instead of array) */
501 s4 lflags; /* used during loop copying, init with 0 */
502 basicblock *copied_to; /* points to the copy of this basic block */
503 /* when loop nodes are copied */
504 stackptr stack; /* start of stack array for this block */
505 /* (see doc/stack.txt) */
506 methodinfo *method; /* method this block belongs to */
509 /* macro for initializing newly allocated basicblock:s */
511 #define BASICBLOCK_INIT(bptr,m) \
515 bptr->bitflags = 0; \
517 bptr->type = BBTYPE_STD; \
518 bptr->branchrefs = NULL; \
519 bptr->pre_count = 0; \
520 bptr->method = (m); \
521 bptr->debug_nr = (m)->c_debug_nr++; \
525 /* branchref *****************************************************************/
528 s4 branchpos; /* patching position in code segment */
529 branchref *next; /* next element in branchref list */
533 /********** op1 values for ACONST instructions ********************************/
535 #define ACONST_LOAD 0 /* ACONST_NULL or LDC instruction */
536 #define ACONST_BUILTIN 1 /* constant argument for a builtin function call */
539 /********** JavaVM operation codes (sorted) and instruction lengths ***********/
541 extern char *icmd_names[256];
542 extern char *opcode_names[256];
543 extern int jcommandsize[256];
548 #define JAVA_ACONST_NULL 1
549 #define ICMD_ACONST 1 /* val.a = constant */
551 #define JAVA_ICONST_M1 2
552 #define ICMD_CHECKNULL 2
554 #define JAVA_ICONST_0 3
555 #define ICMD_ICONST 3 /* val.i = constant */
557 #define JAVA_ICONST_1 4
558 #define ICMD_CHECKNULL_POP 4
560 #define JAVA_ICONST_2 5
561 #define ICMD_IDIVPOW2 5 /* val.i = constant */
563 #define JAVA_ICONST_3 6
564 #define ICMD_LDIVPOW2 6 /* val.l = constant */
566 #define JAVA_ICONST_4 7
568 #define JAVA_ICONST_5 8
570 #define JAVA_LCONST_0 9
571 #define ICMD_LCONST 9 /* val.l = constant */
573 #define JAVA_LCONST_1 10
574 #define ICMD_LCMPCONST 10 /* val.l = constant */
576 #define JAVA_FCONST_0 11
577 #define ICMD_FCONST 11 /* val.f = constant */
579 #define JAVA_FCONST_1 12
581 #define JAVA_FCONST_2 13
582 #define ICMD_ELSE_ICONST 13
584 #define JAVA_DCONST_0 14
585 #define ICMD_DCONST 14 /* val.d = constant */
587 #define JAVA_DCONST_1 15
588 #define ICMD_IFEQ_ICONST 15
590 #define JAVA_BIPUSH 16
591 #define ICMD_IFNE_ICONST 16
593 #define JAVA_SIPUSH 17
594 #define ICMD_IFLT_ICONST 17
597 #define ICMD_IFGE_ICONST 18
600 #define ICMD_IFGT_ICONST 19
602 #define JAVA_LDC2W 20
603 #define ICMD_IFLE_ICONST 20
605 /* order of LOAD instructions must be */
606 /* equal to order of TYPE_* defines */
607 #define JAVA_ILOAD 21
608 #define ICMD_ILOAD 21 /* op1 = local variable */
610 #define JAVA_LLOAD 22
611 #define ICMD_LLOAD 22 /* op1 = local variable */
613 #define JAVA_FLOAD 23
614 #define ICMD_FLOAD 23 /* op1 = local variable */
616 #define JAVA_DLOAD 24
617 #define ICMD_DLOAD 24 /* op1 = local variable */
619 #define JAVA_ALOAD 25
620 #define ICMD_ALOAD 25 /* op1 = local variable */
622 #define JAVA_ILOAD_0 26
623 #define ICMD_IADDCONST 26 /* val.i = constant */
625 #define JAVA_ILOAD_1 27
626 #define ICMD_ISUBCONST 27 /* val.i = constant */
628 #define JAVA_ILOAD_2 28
629 #define ICMD_IMULCONST 28 /* val.i = constant */
631 #define JAVA_ILOAD_3 29
632 #define ICMD_IANDCONST 29 /* val.i = constant */
634 #define JAVA_LLOAD_0 30
635 #define ICMD_IORCONST 30 /* val.i = constant */
637 #define JAVA_LLOAD_1 31
638 #define ICMD_IXORCONST 31 /* val.i = constant */
640 #define JAVA_LLOAD_2 32
641 #define ICMD_ISHLCONST 32 /* val.i = constant */
643 #define JAVA_LLOAD_3 33
644 #define ICMD_ISHRCONST 33 /* val.i = constant */
646 #define JAVA_FLOAD_0 34
647 #define ICMD_IUSHRCONST 34 /* val.i = constant */
649 #define JAVA_FLOAD_1 35
650 #define ICMD_IREMPOW2 35 /* val.i = constant */
652 #define JAVA_FLOAD_2 36
653 #define ICMD_LADDCONST 36 /* val.l = constant */
655 #define JAVA_FLOAD_3 37
656 #define ICMD_LSUBCONST 37 /* val.l = constant */
658 #define JAVA_DLOAD_0 38
659 #define ICMD_LMULCONST 38 /* val.l = constant */
661 #define JAVA_DLOAD_1 39
662 #define ICMD_LANDCONST 39 /* val.l = constant */
664 #define JAVA_DLOAD_2 40
665 #define ICMD_LORCONST 40 /* val.l = constant */
667 #define JAVA_DLOAD_3 41
668 #define ICMD_LXORCONST 41 /* val.l = constant */
670 #define JAVA_ALOAD_0 42
671 #define ICMD_LSHLCONST 42 /* val.l = constant */
673 #define JAVA_ALOAD_1 43
674 #define ICMD_LSHRCONST 43 /* val.l = constant */
676 #define JAVA_ALOAD_2 44
677 #define ICMD_LUSHRCONST 44 /* val.l = constant */
679 #define JAVA_ALOAD_3 45
680 #define ICMD_LREMPOW2 45 /* val.l = constant */
682 #define JAVA_IALOAD 46
683 #define ICMD_IALOAD 46
685 #define JAVA_LALOAD 47
686 #define ICMD_LALOAD 47
688 #define JAVA_FALOAD 48
689 #define ICMD_FALOAD 48
691 #define JAVA_DALOAD 49
692 #define ICMD_DALOAD 49
694 #define JAVA_AALOAD 50
695 #define ICMD_AALOAD 50
697 #define JAVA_BALOAD 51
698 #define ICMD_BALOAD 51
700 #define JAVA_CALOAD 52
701 #define ICMD_CALOAD 52
703 #define JAVA_SALOAD 53
704 #define ICMD_SALOAD 53
706 /* order of STORE instructions must be*/
707 /* equal to order of TYPE_* defines */
708 #define JAVA_ISTORE 54
709 #define ICMD_ISTORE 54 /* op1 = local variable */
711 #define JAVA_LSTORE 55
712 #define ICMD_LSTORE 55 /* op1 = local variable */
714 #define JAVA_FSTORE 56
715 #define ICMD_FSTORE 56 /* op1 = local variable */
717 #define JAVA_DSTORE 57
718 #define ICMD_DSTORE 57 /* op1 = local variable */
720 #define JAVA_ASTORE 58
721 #define ICMD_ASTORE 58 /* op1 = local variable */
723 #define JAVA_ISTORE_0 59
724 #define ICMD_IF_LEQ 59 /* op1 = target JavaVM pc, val.l */
726 #define JAVA_ISTORE_1 60
727 #define ICMD_IF_LNE 60 /* op1 = target JavaVM pc, val.l */
729 #define JAVA_ISTORE_2 61
730 #define ICMD_IF_LLT 61 /* op1 = target JavaVM pc, val.l */
732 #define JAVA_ISTORE_3 62
733 #define ICMD_IF_LGE 62 /* op1 = target JavaVM pc, val.l */
735 #define JAVA_LSTORE_0 63
736 #define ICMD_IF_LGT 63 /* op1 = target JavaVM pc, val.l */
738 #define JAVA_LSTORE_1 64
739 #define ICMD_IF_LLE 64 /* op1 = target JavaVM pc, val.l */
741 #define JAVA_LSTORE_2 65
742 #define ICMD_IF_LCMPEQ 65 /* op1 = target JavaVM pc */
744 #define JAVA_LSTORE_3 66
745 #define ICMD_IF_LCMPNE 66 /* op1 = target JavaVM pc */
747 #define JAVA_FSTORE_0 67
748 #define ICMD_IF_LCMPLT 67 /* op1 = target JavaVM pc */
750 #define JAVA_FSTORE_1 68
751 #define ICMD_IF_LCMPGE 68 /* op1 = target JavaVM pc */
753 #define JAVA_FSTORE_2 69
754 #define ICMD_IF_LCMPGT 69 /* op1 = target JavaVM pc */
756 #define JAVA_FSTORE_3 70
757 #define ICMD_IF_LCMPLE 70 /* op1 = target JavaVM pc */
759 #define JAVA_DSTORE_0 71
761 #define JAVA_DSTORE_1 72
763 #define JAVA_DSTORE_2 73
765 #define JAVA_DSTORE_3 74
767 #define JAVA_ASTORE_0 75
769 #define JAVA_ASTORE_1 76
771 #define JAVA_ASTORE_2 77
773 #define JAVA_ASTORE_3 78
775 #define JAVA_IASTORE 79
776 #define ICMD_IASTORE 79
778 #define JAVA_LASTORE 80
779 #define ICMD_LASTORE 80
781 #define JAVA_FASTORE 81
782 #define ICMD_FASTORE 81
784 #define JAVA_DASTORE 82
785 #define ICMD_DASTORE 82
787 #define JAVA_AASTORE 83
788 #define ICMD_AASTORE 83
790 #define JAVA_BASTORE 84
791 #define ICMD_BASTORE 84
793 #define JAVA_CASTORE 85
794 #define ICMD_CASTORE 85
796 #define JAVA_SASTORE 86
797 #define ICMD_SASTORE 86
808 #define JAVA_DUP_X1 90
809 #define ICMD_DUP_X1 90
811 #define JAVA_DUP_X2 91
812 #define ICMD_DUP_X2 91
817 #define JAVA_DUP2_X1 93
818 #define ICMD_DUP2_X1 93
820 #define JAVA_DUP2_X2 94
821 #define ICMD_DUP2_X2 94
838 #define JAVA_ISUB 100
839 #define ICMD_ISUB 100
841 #define JAVA_LSUB 101
842 #define ICMD_LSUB 101
844 #define JAVA_FSUB 102
845 #define ICMD_FSUB 102
847 #define JAVA_DSUB 103
848 #define ICMD_DSUB 103
850 #define JAVA_IMUL 104
851 #define ICMD_IMUL 104
853 #define JAVA_LMUL 105
854 #define ICMD_LMUL 105
856 #define JAVA_FMUL 106
857 #define ICMD_FMUL 106
859 #define JAVA_DMUL 107
860 #define ICMD_DMUL 107
862 #define JAVA_IDIV 108
863 #define ICMD_IDIV 108
865 #define JAVA_LDIV 109
866 #define ICMD_LDIV 109
868 #define JAVA_FDIV 110
869 #define ICMD_FDIV 110
871 #define JAVA_DDIV 111
872 #define ICMD_DDIV 111
874 #define JAVA_IREM 112
875 #define ICMD_IREM 112
877 #define JAVA_LREM 113
878 #define ICMD_LREM 113
880 #define JAVA_FREM 114
881 #define ICMD_FREM 114
883 #define JAVA_DREM 115
884 #define ICMD_DREM 115
886 #define JAVA_INEG 116
887 #define ICMD_INEG 116
889 #define JAVA_LNEG 117
890 #define ICMD_LNEG 117
892 #define JAVA_FNEG 118
893 #define ICMD_FNEG 118
895 #define JAVA_DNEG 119
896 #define ICMD_DNEG 119
898 #define JAVA_ISHL 120
899 #define ICMD_ISHL 120
901 #define JAVA_LSHL 121
902 #define ICMD_LSHL 121
904 #define JAVA_ISHR 122
905 #define ICMD_ISHR 122
907 #define JAVA_LSHR 123
908 #define ICMD_LSHR 123
910 #define JAVA_IUSHR 124
911 #define ICMD_IUSHR 124
913 #define JAVA_LUSHR 125
914 #define ICMD_LUSHR 125
916 #define JAVA_IAND 126
917 #define ICMD_IAND 126
919 #define JAVA_LAND 127
920 #define ICMD_LAND 127
928 #define JAVA_IXOR 130
929 #define ICMD_IXOR 130
931 #define JAVA_LXOR 131
932 #define ICMD_LXOR 131
934 #define JAVA_IINC 132
935 #define ICMD_IINC 132 /* op1 = local variable, val.i = constant */
973 #define JAVA_INT2BYTE 145
974 #define ICMD_INT2BYTE 145
976 #define JAVA_INT2CHAR 146
977 #define ICMD_INT2CHAR 146
979 #define JAVA_INT2SHORT 147
980 #define ICMD_INT2SHORT 147
982 #define JAVA_LCMP 148
983 #define ICMD_LCMP 148
985 #define JAVA_FCMPL 149
986 #define ICMD_FCMPL 149
988 #define JAVA_FCMPG 150
989 #define ICMD_FCMPG 150
991 #define JAVA_DCMPL 151
992 #define ICMD_DCMPL 151
994 #define JAVA_DCMPG 152
995 #define ICMD_DCMPG 152
997 #define JAVA_IFEQ 153
998 #define ICMD_IFEQ 153 /* op1 = target JavaVM pc, val.i */
1000 #define JAVA_IFNE 154
1001 #define ICMD_IFNE 154 /* op1 = target JavaVM pc, val.i */
1003 #define JAVA_IFLT 155
1004 #define ICMD_IFLT 155 /* op1 = target JavaVM pc, val.i */
1006 #define JAVA_IFGE 156
1007 #define ICMD_IFGE 156 /* op1 = target JavaVM pc, val.i */
1009 #define JAVA_IFGT 157
1010 #define ICMD_IFGT 157 /* op1 = target JavaVM pc, val.i */
1012 #define JAVA_IFLE 158
1013 #define ICMD_IFLE 158 /* op1 = target JavaVM pc, val.i */
1015 #define JAVA_IF_ICMPEQ 159
1016 #define ICMD_IF_ICMPEQ 159 /* op1 = target JavaVM pc */
1018 #define JAVA_IF_ICMPNE 160
1019 #define ICMD_IF_ICMPNE 160 /* op1 = target JavaVM pc */
1021 #define JAVA_IF_ICMPLT 161
1022 #define ICMD_IF_ICMPLT 161 /* op1 = target JavaVM pc */
1024 #define JAVA_IF_ICMPGE 162
1025 #define ICMD_IF_ICMPGE 162 /* op1 = target JavaVM pc */
1027 #define JAVA_IF_ICMPGT 163
1028 #define ICMD_IF_ICMPGT 163 /* op1 = target JavaVM pc */
1030 #define JAVA_IF_ICMPLE 164
1031 #define ICMD_IF_ICMPLE 164 /* op1 = target JavaVM pc */
1033 #define JAVA_IF_ACMPEQ 165
1034 #define ICMD_IF_ACMPEQ 165 /* op1 = target JavaVM pc */
1036 #define JAVA_IF_ACMPNE 166
1037 #define ICMD_IF_ACMPNE 166 /* op1 = target JavaVM pc */
1039 #define JAVA_GOTO 167
1040 #define ICMD_GOTO 167 /* op1 = target JavaVM pc */
1042 #define JAVA_JSR 168
1043 #define ICMD_JSR 168 /* op1 = target JavaVM pc */
1045 #define JAVA_RET 169
1046 #define ICMD_RET 169 /* op1 = local variable */
1048 #define JAVA_TABLESWITCH 170
1049 #define ICMD_TABLESWITCH 170 /* val.a = pointer to s4 table */
1050 /* length must be computed */
1051 #define JAVA_LOOKUPSWITCH 171
1052 #define ICMD_LOOKUPSWITCH 171 /* val.a = pointer to s4 table */
1053 /* length must be computed */
1054 #define JAVA_IRETURN 172
1055 #define ICMD_IRETURN 172
1057 #define JAVA_LRETURN 173
1058 #define ICMD_LRETURN 173
1060 #define JAVA_FRETURN 174
1061 #define ICMD_FRETURN 174
1063 #define JAVA_DRETURN 175
1064 #define ICMD_DRETURN 175
1066 #define JAVA_ARETURN 176
1067 #define ICMD_ARETURN 176
1069 #define JAVA_RETURN 177
1070 #define ICMD_RETURN 177
1072 #define JAVA_GETSTATIC 178
1073 #define ICMD_GETSTATIC 178 /* op1 = type, val.a = field address */
1075 #define JAVA_PUTSTATIC 179
1076 #define ICMD_PUTSTATIC 179 /* op1 = type, val.a = field address */
1078 #define JAVA_GETFIELD 180
1079 #define ICMD_GETFIELD 180 /* op1 = type, val.i = field offset */
1081 #define JAVA_PUTFIELD 181
1082 #define ICMD_PUTFIELD 181 /* op1 = type, val.i = field offset */
1084 #define JAVA_INVOKEVIRTUAL 182
1085 #define ICMD_INVOKEVIRTUAL 182 /* val.a = method info pointer */
1087 #define JAVA_INVOKESPECIAL 183
1088 #define ICMD_INVOKESPECIAL 183 /* val.a = method info pointer */
1090 #define JAVA_INVOKESTATIC 184
1091 #define ICMD_INVOKESTATIC 184 /* val.a = method info pointer */
1093 #define JAVA_INVOKEINTERFACE 185
1094 #define ICMD_INVOKEINTERFACE 185 /* val.a = method info pointer */
1098 #define JAVA_NEW 187
1099 #define ICMD_NEW 187 /* op1 = 1, val.a = class pointer */
1101 #define JAVA_NEWARRAY 188
1102 #define ICMD_NEWARRAY 188 /* op1 = basic type */
1104 #define JAVA_ANEWARRAY 189
1105 #define ICMD_ANEWARRAY 189 /* op1 = 0, val.a = array pointer */
1106 /* op1 = 1, val.a = class pointer */
1107 #define JAVA_ARRAYLENGTH 190
1108 #define ICMD_ARRAYLENGTH 190
1110 #define JAVA_ATHROW 191
1111 #define ICMD_ATHROW 191
1113 #define JAVA_CHECKCAST 192
1114 #define ICMD_CHECKCAST 192 /* op1 = 0, val.a = array pointer */
1115 /* op1 = 1, val.a = class pointer */
1116 #define JAVA_INSTANCEOF 193
1117 #define ICMD_INSTANCEOF 193 /* op1 = 0, val.a = array pointer */
1118 /* op1 = 1, val.a = class pointer */
1119 #define JAVA_MONITORENTER 194
1120 #define ICMD_MONITORENTER 194
1122 #define JAVA_MONITOREXIT 195
1123 #define ICMD_MONITOREXIT 195
1125 #define JAVA_WIDE 196
1127 #define JAVA_MULTIANEWARRAY 197
1128 #define ICMD_MULTIANEWARRAY 197 /* op1 = dimension, val.a = array */
1130 #define JAVA_IFNULL 198
1131 #define ICMD_IFNULL 198 /* op1 = target JavaVM pc */
1133 #define JAVA_IFNONNULL 199
1134 #define ICMD_IFNONNULL 199 /* op1 = target JavaVM pc */
1136 #define JAVA_GOTO_W 200
1138 #define JAVA_JSR_W 201
1140 #define JAVA_BREAKPOINT 202
1144 #define ICMD_IASTORECONST 204
1145 #define ICMD_LASTORECONST 205
1146 #define ICMD_FASTORECONST 206
1147 #define ICMD_DASTORECONST 207
1148 #define ICMD_AASTORECONST 208
1149 #define ICMD_BASTORECONST 209
1150 #define ICMD_CASTORECONST 210
1151 #define ICMD_SASTORECONST 211
1153 #define ICMD_PUTSTATICCONST 212
1154 #define ICMD_PUTFIELDCONST 213
1156 #define ICMD_IMULPOW2 214
1157 #define ICMD_LMULPOW2 215
1159 #define ICMD_IF_FCMPEQ 216
1160 #define ICMD_IF_FCMPNE 217
1162 #define ICMD_IF_FCMPL_LT 218
1163 #define ICMD_IF_FCMPL_GE 219
1164 #define ICMD_IF_FCMPL_GT 220
1165 #define ICMD_IF_FCMPL_LE 221
1167 #define ICMD_IF_FCMPG_LT 222
1168 #define ICMD_IF_FCMPG_GE 223
1169 #define ICMD_IF_FCMPG_GT 224
1170 #define ICMD_IF_FCMPG_LE 225
1172 #define ICMD_IF_DCMPEQ 226
1173 #define ICMD_IF_DCMPNE 227
1175 #define ICMD_IF_DCMPL_LT 228
1176 #define ICMD_IF_DCMPL_GE 229
1177 #define ICMD_IF_DCMPL_GT 230
1178 #define ICMD_IF_DCMPL_LE 231
1180 #define ICMD_IF_DCMPG_LT 232
1181 #define ICMD_IF_DCMPG_GE 233
1182 #define ICMD_IF_DCMPG_GT 234
1183 #define ICMD_IF_DCMPG_LE 235
1185 #define ICMD_INLINE_START 251 /* instruction before inlined method */
1186 #define ICMD_INLINE_END 252 /* instruction after inlined method */
1187 #define ICMD_INLINE_GOTO 253 /* jump to caller of inlined method */
1189 #define ICMD_BUILTIN 255 /* internal opcode */
1191 /* define some ICMD masks *****************************************************/
1193 #define ICMD_OPCODE_MASK 0x00ff /* mask to get the opcode */
1194 #define ICMD_CONDITION_MASK 0xff00 /* mask to get the condition */
1197 /******************* description of JavaVM instructions ***********************/
1201 /***************************** register types *********************************/
1203 #define REG_RES 0 /* reserved register for OS or code generator */
1204 #define REG_RET 1 /* return value register */
1205 #define REG_EXC 2 /* exception value register */
1206 #define REG_SAV 3 /* (callee) saved register */
1207 #define REG_TMP 4 /* scratch temporary register (caller saved) */
1208 #define REG_ARG 5 /* argument register (caller saved) */
1210 #define REG_END -1 /* last entry in tables */
1212 #define PARAMMODE_NUMBERED 0
1213 #define PARAMMODE_STUFFED 1
1216 /***************************** register info block ****************************/
1218 extern int stackreq[256];
1221 /* function prototypes ********************************************************/
1223 /* compiler initialisation */
1224 void jit_init(void);
1226 /* compiler finalisation */
1227 void jit_close(void);
1229 /* compile a method with jit compiler */
1230 u1 *jit_compile(methodinfo *m);
1231 u1 *jit_recompile(methodinfo *m);
1233 /* patch the method entrypoint */
1234 u1 *jit_asm_compile(methodinfo *m, u1 *mptr, u1 *sp, u1 *ra);
1236 /* machine dependent functions */
1237 #if defined(ENABLE_JIT)
1240 u1 *md_get_method_patch_address(u1 *ra, stackframeinfo *sfi, u1 *mptr);
1242 void md_cacheflush(u1 *addr, s4 nbytes);
1243 void md_icacheflush(u1 *addr, s4 nbytes);
1244 void md_dcacheflush(u1 *addr, s4 nbytes);
1247 #if defined(ENABLE_INTRP)
1248 void intrp_md_init(void);
1255 * These are local overrides for various environment variables in Emacs.
1256 * Please do not remove this and leave it at the end of the file, where
1257 * Emacs will automagically detect them.
1258 * ---------------------------------------------------------------------
1261 * indent-tabs-mode: t
1265 * vim:noexpandtab:sw=4:ts=4: