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 5096 2006-07-10 14:02:25Z 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 ********************************************************************/
91 methodinfo *m; /* methodinfo of the method compiled */
95 #if defined(ENABLE_LOOP)
99 u4 flags; /* contains JIT compiler flags */
100 bool isleafmethod; /* does method call subroutines */
102 new_instruction *new_instructions;
103 basicblock *new_basicblocks;
104 s4 *new_basicblockindex;
105 stackelement *new_stack;
106 s4 new_instructioncount;
107 s4 new_basicblockcount;
110 registerdata *new_rd;
114 #define JITDATA_FLAG_PARSE 0x00000001
115 #define JITDATA_FLAG_VERIFY 0x00000002
117 #define JITDATA_FLAG_INSTRUMENT 0x00000004
119 #define JITDATA_FLAG_IFCONV 0x00000008
121 #define JITDATA_FLAG_SHOWINTERMEDIATE 0x20000000
122 #define JITDATA_FLAG_SHOWDISASSEMBLE 0x40000000
123 #define JITDATA_FLAG_VERBOSECALL 0x80000000
126 #define JITDATA_HAS_FLAG_PARSE(jd) \
127 ((jd)->flags & JITDATA_FLAG_PARSE)
129 #define JITDATA_HAS_FLAG_VERIFY(jd) \
130 ((jd)->flags & JITDATA_FLAG_VERIFY)
132 #define JITDATA_HAS_FLAG_INSTRUMENT(jd) \
133 ((jd)->flags & JITDATA_FLAG_INSTRUMENT)
135 #define JITDATA_HAS_FLAG_IFCONV(jd) \
136 ((jd)->flags & JITDATA_FLAG_IFCONV)
138 #define JITDATA_HAS_FLAG_SHOWINTERMEDIATE(jd) \
139 ((jd)->flags & JITDATA_FLAG_SHOWINTERMEDIATE)
141 #define JITDATA_HAS_FLAG_SHOWDISASSEMBLE(jd) \
142 ((jd)->flags & JITDATA_FLAG_SHOWDISASSEMBLE)
144 #define JITDATA_HAS_FLAG_VERBOSECALL(jd) \
145 ((jd)->flags & JITDATA_FLAG_VERBOSECALL)
148 /************************** stack element structure ***************************/
152 /* Unified these with longer names. Maybe someday use only
153 * one set of names? -Edwin
155 /*#define TYPE_INT 0*/ /* the stack slot types must numbered in the */
156 #define TYPE_LNG TYPE_LONG /*1*/ /* same order as the ICMD_Ixxx to ICMD_Axxx */
157 #define TYPE_FLT TYPE_FLOAT /*2*/ /* instructions (LOAD and STORE) */
158 #define TYPE_DBL TYPE_DOUBLE /*3*/ /* integer, long, float, double, address */
159 #define TYPE_ADR TYPE_ADDRESS /*4*/
161 #define IS_INT_LNG_TYPE(a) (!((a) & TYPE_FLT))
162 #define IS_FLT_DBL_TYPE(a) ((a) & TYPE_FLT)
163 #define IS_2_WORD_TYPE(a) ((a) & TYPE_LNG)
165 #define IS_INT_TYPE(a) ((a) == TYPE_INT)
166 #define IS_LNG_TYPE(a) ((a) == TYPE_LNG)
167 #define IS_ADR_TYPE(a) ((a) == TYPE_ADR)
172 #define SAVEDVAR 1 /* variable has to survive method invocations */
173 #define INMEMORY 2 /* variable stored in memory */
174 #define SAVEDTMP 4 /* temporary variable using a saved register */
175 #define TMPARG 8 /* temporary variable using a arg register */
176 #define STCOPY 16 /* there is another stackslot alive "below" */
177 /* using the same register/memory location */
178 #define STKEEP 32 /* to prevent reg_mark_copy to free this */
183 #define UNDEFVAR 0 /* stack slot will become temp during regalloc*/
184 #define TEMPVAR 1 /* stack slot is temp register */
185 #define STACKVAR 2 /* stack slot is numbered stack slot */
186 #define LOCALVAR 3 /* stack slot is local variable */
187 #define ARGVAR 4 /* stack slot is argument variable */
190 struct stackelement {
191 stackptr prev; /* pointer to next element towards bottom */
192 s4 type; /* slot type of stack element */
193 #ifdef ENABLE_VERIFIER
194 typeinfo typeinfo; /* info on reference types */
196 s4 flags; /* flags (SAVED, INMEMORY) */
197 s4 varkind; /* kind of variable or register */
198 s4 varnum; /* number of variable */
199 s4 regoff; /* register number or memory offset */
203 /**************************** instruction structure ***************************/
205 /* branch_target_t: used in TABLESWITCH tables */
208 s4 insindex; /* used between parse and stack */
209 basicblock *block; /* used from stack analysis onwards */
212 /* lookup_target_t: used in LOOKUPSWITCH tables */
215 s4 value; /* case value */
216 branch_target_t target; /* branch target, see above */
232 classref_or_classinfo c;
233 unresolved_class *uc;
234 ptrint constval; /* for PUT*CONST */
235 s4 tablelow; /* for TABLESWITCH */
236 u4 lookupcount; /* for LOOKUPSWITCH */
244 classref_or_classinfo c;
245 constant_FMIref *fmiref;
246 unresolved_method *um;
247 unresolved_field *uf;
248 insinfo_inline *inlineinfo; /* for INLINE_START/END */
249 s4 tablehigh; /* for TABLESWITCH */
250 branch_target_t lookupdefault; /* for LOOKUPSWITCH */
251 branch_target_t jsrtarget; /* for JSR */
252 struct builtintable_entry *bte;
255 /*** val operand ***/
263 java_objectheader *stringconst; /* for ACONST with string */
264 classref_or_classinfo c; /* for ACONST with class */
267 /*** dst operand ***/
272 basicblock *block; /* valid after stack analysis */
273 branch_target_t *table; /* for TABLESWITCH */
274 lookup_target_t *lookup; /* for LOOKUPSWITCH */
275 s4 insindex; /* used between parse and stack */
276 stackptr *dupslots; /* for SWAP, DUP* except DUP */
279 /*** flags (32 bits) ***/
281 #define INS_FLAG_UNRESOLVED 0x01 /* contains unresolved field/meth/class*/
282 #define INS_FLAG_CLASS 0x02 /* for ACONST with class */
283 #define INS_FLAG_ARRAY 0x04 /* for CHECKCAST/INSTANCEOF with array */
284 #define INS_FLAG_NOCHECK 0x08
288 struct { /* fields: */
291 u1 type; /* TYPE_* constant for fields */
292 u1 argcount; /* XXX does u1 suffice? */
293 /* for MULTIANEWARRAY and */
295 } f; /* XXX these could be made smaller */
296 /* only MULTIANEWARRAY needs the argcount */
300 bool unresolved:1; /* field/method is unresolved */
301 bool nocheck :1; /* don't check array access */
302 bool branch :1; /* branch to dst.target */
313 /*** instruction ***/
315 /* The new instruction format for the intermediate representation: */
317 struct new_instruction {
319 u2 line; /* line number */
320 #if SIZEOF_VOID_P == 8
321 flags_operand_t flags; /* 4 bytes */
323 s1_operand_t s1; /* pointer-size */
326 s2_operand_t s2; /* pointer-size */
327 s3_operand_t s3; /* pointer-size */
329 val_operand_t val; /* long-size */
331 dst_operand_t dst; /* pointer-size */
332 #if SIZEOF_VOID_P == 4
333 flags_operand_t flags; /* 4 bytes */
337 /* XXX This instruction format will become obsolete. */
340 stackptr dst; /* stack index of destination operand stack */
341 u2 opc; /* opcode of intermediate code command */
342 s4 op1; /* first operand, usually variable number */
343 imm_union val; /* immediate constant */
344 void *target; /* used for targets of branches and jumps */
345 /* and as address for list of targets for */
347 u2 line; /* line number in source file */
350 #define INSTRUCTION_IS_RESOLVED(iptr) \
351 (!((ptrint)(iptr)->target & 0x01)) /* XXX target used temporarily as flag */
353 #define INSTRUCTION_IS_UNRESOLVED(iptr) \
354 ((ptrint)(iptr)->target & 0x01) /* XXX target used temporarily as flag */
356 #define NEW_INSTRUCTION_GET_FIELDREF(iptr,fref) \
358 if (iptr->flags.bits & INS_FLAG_UNRESOLVED) \
359 fref = iptr->sx.s23.s3.uf->fieldref; \
361 fref = iptr->sx.s23.s3.fmiref; \
364 #define INSTRUCTION_GET_FIELDREF(iptr,fref) \
366 if (INSTRUCTION_IS_UNRESOLVED(iptr)) \
367 fref = ((unresolved_field *) (iptr)->val.a)->fieldref; \
369 fref = ((constant_FMIref *)(iptr)->val.a); \
372 #define NEW_INSTRUCTION_GET_METHODREF(iptr,mref) \
374 if (iptr->flags.bits & INS_FLAG_UNRESOLVED) \
375 mref = iptr->sx.s23.s3.um->methodref; \
377 mref = iptr->sx.s23.s3.fmiref; \
380 #define INSTRUCTION_GET_METHODREF(iptr,mref) \
382 if (INSTRUCTION_IS_UNRESOLVED(iptr)) \
383 mref = ((unresolved_method *) (iptr)->val.a)->methodref; \
385 mref = ((constant_FMIref *)(iptr)->val.a); \
388 #define INSTRUCTION_GET_FIELDDESC(iptr,fd) \
390 if (INSTRUCTION_IS_UNRESOLVED(iptr)) \
391 fd = ((unresolved_field *)(iptr)->val.a)->fieldref->parseddesc.fd; \
393 fd = ((constant_FMIref *)(iptr)->val.a)->parseddesc.fd; \
396 #define NEW_INSTRUCTION_GET_METHODDESC(iptr, md) \
398 if (iptr->flags.bits & INS_FLAG_UNRESOLVED) \
399 md = iptr->sx.s23.s3.um->methodref->parseddesc.md; \
401 md = iptr->sx.s23.s3.fmiref->parseddesc.md; \
404 #define INSTRUCTION_GET_METHODDESC(iptr,md) \
406 if (INSTRUCTION_IS_UNRESOLVED(iptr)) \
407 md = ((unresolved_method *) (iptr)->val.a)->methodref->parseddesc.md; \
409 md = ((constant_FMIref *)(iptr)->val.a)->parseddesc.md; \
412 #define INSTRUCTION_UNRESOLVED_METHOD(iptr) \
413 ((unresolved_method *) (iptr)->val.a)
415 #define INSTRUCTION_UNRESOLVED_FIELD(iptr) \
416 ((unresolved_field *) (iptr)->val.a)
418 #define INSTRUCTION_RESOLVED_FMIREF(iptr) \
419 ((constant_FMIref *)(iptr)->val.a)
421 #define INSTRUCTION_RESOLVED_FIELDINFO(iptr) \
422 (INSTRUCTION_RESOLVED_FMIREF(iptr)->p.field)
424 #define INSTRUCTION_RESOLVED_METHODINFO(iptr) \
425 (INSTRUCTION_RESOLVED_FMIREF(iptr)->p.method)
427 #define INSTRUCTION_PUTCONST_TYPE(iptr) \
430 #define INSTRUCTION_PUTCONST_VALUE_ADR(iptr) \
433 #define INSTRUCTION_PUTCONST_FIELDINFO(iptr) \
434 ((fieldinfo *)((iptr)[1].val.a))
436 #define INSTRUCTION_PUTCONST_FIELDINFO_PTR(iptr) \
437 ((fieldinfo **) &((iptr)[1].val.a))
439 #define INSTRUCTION_PUTCONST_FIELDREF(iptr) \
440 ((unresolved_field *)((iptr)[1].target))
442 /* for ICMD_ACONST */
444 #define ICMD_ACONST_IS_CLASS(iptr) \
445 ((ptrint)(iptr)->target & 0x02) /* XXX target used temporarily as flag */
447 #define ICMD_ACONST_CLASSREF_OR_CLASSINFO(iptr) \
448 (CLASSREF_OR_CLASSINFO((iptr)->val.a))
450 #define ICMD_ACONST_RESOLVED_CLASSINFO(iptr) \
451 ((classinfo *) (iptr)->val.a)
453 #define ICMD_ACONST_UNRESOLVED_CLASSREF(iptr) \
454 ((constant_classref *) (iptr)->val.a)
457 /* additional info structs for special instructions ***************************/
459 /* for ICMD_INLINE_START and ICMD_INLINE_END */
461 struct insinfo_inline {
462 methodinfo *method; /* the inlined method starting/ending here */
463 methodinfo *outer; /* the outer method suspended/resumed here */
464 s4 startmpc; /* machine code offset of start of inlining */
465 s4 synclocal; /* local index used for synchronization */
466 bool synchronize; /* true if synchronization is needed */
469 /* basicblock *****************************************************************/
478 #define BBTYPECHECK_UNDEF 2
479 #define BBTYPECHECK_REACHED 3
481 #define BBTYPE_STD 0 /* standard basic block type */
482 #define BBTYPE_EXH 1 /* exception handler basic block type */
483 #define BBTYPE_SBR 2 /* subroutine basic block type */
485 #define BBFLAG_REPLACEMENT 0x01 /* put a replacement point at the start */
487 /* XXX basicblock wastes quite a lot of memory by having four flag fields */
488 /* (flags, bitflags, type and lflags). Probably the last three could be */
489 /* combined without loss of efficiency. The first one could be combined with */
490 /* the others by using bitfields. */
493 s4 debug_nr; /* basic block number */
494 s4 flags; /* used during stack analysis, init with -1 */
495 s4 bitflags; /* OR of BBFLAG_... constants, init with 0 */
496 s4 type; /* basic block type (std, xhandler, subroutine*/
497 instruction *iinstr; /* pointer to intermediate code instructions */
498 s4 icount; /* number of intermediate code instructions */
499 s4 mpc; /* machine code pc at start of block */
500 stackptr instack; /* stack at begin of basic block */
501 stackptr outstack; /* stack at end of basic block */
502 s4 indepth; /* stack depth at begin of basic block */
503 s4 outdepth; /* stack depth end of basic block */
504 s4 pre_count; /* count of predecessor basic blocks */
505 branchref *branchrefs; /* list of branches to be patched */
507 basicblock *next; /* used to build a BB list (instead of array) */
508 s4 lflags; /* used during loop copying, init with 0 */
509 basicblock *copied_to; /* points to the copy of this basic block */
510 /* when loop nodes are copied */
511 stackptr stack; /* start of stack array for this block */
512 /* (see doc/stack.txt) */
513 methodinfo *method; /* method this block belongs to */
516 /* macro for initializing newly allocated basicblock:s */
518 #define BASICBLOCK_INIT(bptr,m) \
522 bptr->bitflags = 0; \
524 bptr->type = BBTYPE_STD; \
525 bptr->branchrefs = NULL; \
526 bptr->pre_count = 0; \
527 bptr->method = (m); \
528 bptr->debug_nr = (m)->c_debug_nr++; \
532 /* branchref *****************************************************************/
535 s4 branchpos; /* patching position in code segment */
536 branchref *next; /* next element in branchref list */
540 /********** op1 values for ACONST instructions ********************************/
542 #define ACONST_LOAD 0 /* ACONST_NULL or LDC instruction */
543 #define ACONST_BUILTIN 1 /* constant argument for a builtin function call */
546 /********** JavaVM operation codes (sorted) and instruction lengths ***********/
548 extern char *icmd_names[256];
549 extern char *opcode_names[256];
550 extern int jcommandsize[256];
555 #define JAVA_ACONST_NULL 1
556 #define ICMD_ACONST 1 /* val.a = constant */
558 #define JAVA_ICONST_M1 2
559 #define ICMD_CHECKNULL 2
561 #define JAVA_ICONST_0 3
562 #define ICMD_ICONST 3 /* val.i = constant */
564 #define JAVA_ICONST_1 4
565 #define ICMD_CHECKNULL_POP 4
567 #define JAVA_ICONST_2 5
568 #define ICMD_IDIVPOW2 5 /* val.i = constant */
570 #define JAVA_ICONST_3 6
571 #define ICMD_LDIVPOW2 6 /* val.l = constant */
573 #define JAVA_ICONST_4 7
575 #define JAVA_ICONST_5 8
577 #define JAVA_LCONST_0 9
578 #define ICMD_LCONST 9 /* val.l = constant */
580 #define JAVA_LCONST_1 10
581 #define ICMD_LCMPCONST 10 /* val.l = constant */
583 #define JAVA_FCONST_0 11
584 #define ICMD_FCONST 11 /* val.f = constant */
586 #define JAVA_FCONST_1 12
588 #define JAVA_FCONST_2 13
589 #define ICMD_ELSE_ICONST 13
591 #define JAVA_DCONST_0 14
592 #define ICMD_DCONST 14 /* val.d = constant */
594 #define JAVA_DCONST_1 15
595 #define ICMD_IFEQ_ICONST 15
597 #define JAVA_BIPUSH 16
598 #define ICMD_IFNE_ICONST 16
600 #define JAVA_SIPUSH 17
601 #define ICMD_IFLT_ICONST 17
604 #define ICMD_IFGE_ICONST 18
607 #define ICMD_IFGT_ICONST 19
609 #define JAVA_LDC2W 20
610 #define ICMD_IFLE_ICONST 20
612 /* order of LOAD instructions must be */
613 /* equal to order of TYPE_* defines */
614 #define JAVA_ILOAD 21
615 #define ICMD_ILOAD 21 /* op1 = local variable */
617 #define JAVA_LLOAD 22
618 #define ICMD_LLOAD 22 /* op1 = local variable */
620 #define JAVA_FLOAD 23
621 #define ICMD_FLOAD 23 /* op1 = local variable */
623 #define JAVA_DLOAD 24
624 #define ICMD_DLOAD 24 /* op1 = local variable */
626 #define JAVA_ALOAD 25
627 #define ICMD_ALOAD 25 /* op1 = local variable */
629 #define JAVA_ILOAD_0 26
630 #define ICMD_IADDCONST 26 /* val.i = constant */
632 #define JAVA_ILOAD_1 27
633 #define ICMD_ISUBCONST 27 /* val.i = constant */
635 #define JAVA_ILOAD_2 28
636 #define ICMD_IMULCONST 28 /* val.i = constant */
638 #define JAVA_ILOAD_3 29
639 #define ICMD_IANDCONST 29 /* val.i = constant */
641 #define JAVA_LLOAD_0 30
642 #define ICMD_IORCONST 30 /* val.i = constant */
644 #define JAVA_LLOAD_1 31
645 #define ICMD_IXORCONST 31 /* val.i = constant */
647 #define JAVA_LLOAD_2 32
648 #define ICMD_ISHLCONST 32 /* val.i = constant */
650 #define JAVA_LLOAD_3 33
651 #define ICMD_ISHRCONST 33 /* val.i = constant */
653 #define JAVA_FLOAD_0 34
654 #define ICMD_IUSHRCONST 34 /* val.i = constant */
656 #define JAVA_FLOAD_1 35
657 #define ICMD_IREMPOW2 35 /* val.i = constant */
659 #define JAVA_FLOAD_2 36
660 #define ICMD_LADDCONST 36 /* val.l = constant */
662 #define JAVA_FLOAD_3 37
663 #define ICMD_LSUBCONST 37 /* val.l = constant */
665 #define JAVA_DLOAD_0 38
666 #define ICMD_LMULCONST 38 /* val.l = constant */
668 #define JAVA_DLOAD_1 39
669 #define ICMD_LANDCONST 39 /* val.l = constant */
671 #define JAVA_DLOAD_2 40
672 #define ICMD_LORCONST 40 /* val.l = constant */
674 #define JAVA_DLOAD_3 41
675 #define ICMD_LXORCONST 41 /* val.l = constant */
677 #define JAVA_ALOAD_0 42
678 #define ICMD_LSHLCONST 42 /* val.l = constant */
680 #define JAVA_ALOAD_1 43
681 #define ICMD_LSHRCONST 43 /* val.l = constant */
683 #define JAVA_ALOAD_2 44
684 #define ICMD_LUSHRCONST 44 /* val.l = constant */
686 #define JAVA_ALOAD_3 45
687 #define ICMD_LREMPOW2 45 /* val.l = constant */
689 #define JAVA_IALOAD 46
690 #define ICMD_IALOAD 46
692 #define JAVA_LALOAD 47
693 #define ICMD_LALOAD 47
695 #define JAVA_FALOAD 48
696 #define ICMD_FALOAD 48
698 #define JAVA_DALOAD 49
699 #define ICMD_DALOAD 49
701 #define JAVA_AALOAD 50
702 #define ICMD_AALOAD 50
704 #define JAVA_BALOAD 51
705 #define ICMD_BALOAD 51
707 #define JAVA_CALOAD 52
708 #define ICMD_CALOAD 52
710 #define JAVA_SALOAD 53
711 #define ICMD_SALOAD 53
713 /* order of STORE instructions must be*/
714 /* equal to order of TYPE_* defines */
715 #define JAVA_ISTORE 54
716 #define ICMD_ISTORE 54 /* op1 = local variable */
718 #define JAVA_LSTORE 55
719 #define ICMD_LSTORE 55 /* op1 = local variable */
721 #define JAVA_FSTORE 56
722 #define ICMD_FSTORE 56 /* op1 = local variable */
724 #define JAVA_DSTORE 57
725 #define ICMD_DSTORE 57 /* op1 = local variable */
727 #define JAVA_ASTORE 58
728 #define ICMD_ASTORE 58 /* op1 = local variable */
730 #define JAVA_ISTORE_0 59
731 #define ICMD_IF_LEQ 59 /* op1 = target JavaVM pc, val.l */
733 #define JAVA_ISTORE_1 60
734 #define ICMD_IF_LNE 60 /* op1 = target JavaVM pc, val.l */
736 #define JAVA_ISTORE_2 61
737 #define ICMD_IF_LLT 61 /* op1 = target JavaVM pc, val.l */
739 #define JAVA_ISTORE_3 62
740 #define ICMD_IF_LGE 62 /* op1 = target JavaVM pc, val.l */
742 #define JAVA_LSTORE_0 63
743 #define ICMD_IF_LGT 63 /* op1 = target JavaVM pc, val.l */
745 #define JAVA_LSTORE_1 64
746 #define ICMD_IF_LLE 64 /* op1 = target JavaVM pc, val.l */
748 #define JAVA_LSTORE_2 65
749 #define ICMD_IF_LCMPEQ 65 /* op1 = target JavaVM pc */
751 #define JAVA_LSTORE_3 66
752 #define ICMD_IF_LCMPNE 66 /* op1 = target JavaVM pc */
754 #define JAVA_FSTORE_0 67
755 #define ICMD_IF_LCMPLT 67 /* op1 = target JavaVM pc */
757 #define JAVA_FSTORE_1 68
758 #define ICMD_IF_LCMPGE 68 /* op1 = target JavaVM pc */
760 #define JAVA_FSTORE_2 69
761 #define ICMD_IF_LCMPGT 69 /* op1 = target JavaVM pc */
763 #define JAVA_FSTORE_3 70
764 #define ICMD_IF_LCMPLE 70 /* op1 = target JavaVM pc */
766 #define JAVA_DSTORE_0 71
768 #define JAVA_DSTORE_1 72
770 #define JAVA_DSTORE_2 73
772 #define JAVA_DSTORE_3 74
774 #define JAVA_ASTORE_0 75
776 #define JAVA_ASTORE_1 76
778 #define JAVA_ASTORE_2 77
780 #define JAVA_ASTORE_3 78
782 #define JAVA_IASTORE 79
783 #define ICMD_IASTORE 79
785 #define JAVA_LASTORE 80
786 #define ICMD_LASTORE 80
788 #define JAVA_FASTORE 81
789 #define ICMD_FASTORE 81
791 #define JAVA_DASTORE 82
792 #define ICMD_DASTORE 82
794 #define JAVA_AASTORE 83
795 #define ICMD_AASTORE 83
797 #define JAVA_BASTORE 84
798 #define ICMD_BASTORE 84
800 #define JAVA_CASTORE 85
801 #define ICMD_CASTORE 85
803 #define JAVA_SASTORE 86
804 #define ICMD_SASTORE 86
815 #define JAVA_DUP_X1 90
816 #define ICMD_DUP_X1 90
818 #define JAVA_DUP_X2 91
819 #define ICMD_DUP_X2 91
824 #define JAVA_DUP2_X1 93
825 #define ICMD_DUP2_X1 93
827 #define JAVA_DUP2_X2 94
828 #define ICMD_DUP2_X2 94
845 #define JAVA_ISUB 100
846 #define ICMD_ISUB 100
848 #define JAVA_LSUB 101
849 #define ICMD_LSUB 101
851 #define JAVA_FSUB 102
852 #define ICMD_FSUB 102
854 #define JAVA_DSUB 103
855 #define ICMD_DSUB 103
857 #define JAVA_IMUL 104
858 #define ICMD_IMUL 104
860 #define JAVA_LMUL 105
861 #define ICMD_LMUL 105
863 #define JAVA_FMUL 106
864 #define ICMD_FMUL 106
866 #define JAVA_DMUL 107
867 #define ICMD_DMUL 107
869 #define JAVA_IDIV 108
870 #define ICMD_IDIV 108
872 #define JAVA_LDIV 109
873 #define ICMD_LDIV 109
875 #define JAVA_FDIV 110
876 #define ICMD_FDIV 110
878 #define JAVA_DDIV 111
879 #define ICMD_DDIV 111
881 #define JAVA_IREM 112
882 #define ICMD_IREM 112
884 #define JAVA_LREM 113
885 #define ICMD_LREM 113
887 #define JAVA_FREM 114
888 #define ICMD_FREM 114
890 #define JAVA_DREM 115
891 #define ICMD_DREM 115
893 #define JAVA_INEG 116
894 #define ICMD_INEG 116
896 #define JAVA_LNEG 117
897 #define ICMD_LNEG 117
899 #define JAVA_FNEG 118
900 #define ICMD_FNEG 118
902 #define JAVA_DNEG 119
903 #define ICMD_DNEG 119
905 #define JAVA_ISHL 120
906 #define ICMD_ISHL 120
908 #define JAVA_LSHL 121
909 #define ICMD_LSHL 121
911 #define JAVA_ISHR 122
912 #define ICMD_ISHR 122
914 #define JAVA_LSHR 123
915 #define ICMD_LSHR 123
917 #define JAVA_IUSHR 124
918 #define ICMD_IUSHR 124
920 #define JAVA_LUSHR 125
921 #define ICMD_LUSHR 125
923 #define JAVA_IAND 126
924 #define ICMD_IAND 126
926 #define JAVA_LAND 127
927 #define ICMD_LAND 127
935 #define JAVA_IXOR 130
936 #define ICMD_IXOR 130
938 #define JAVA_LXOR 131
939 #define ICMD_LXOR 131
941 #define JAVA_IINC 132
942 #define ICMD_IINC 132 /* op1 = local variable, val.i = constant */
980 #define JAVA_INT2BYTE 145
981 #define ICMD_INT2BYTE 145
983 #define JAVA_INT2CHAR 146
984 #define ICMD_INT2CHAR 146
986 #define JAVA_INT2SHORT 147
987 #define ICMD_INT2SHORT 147
989 #define JAVA_LCMP 148
990 #define ICMD_LCMP 148
992 #define JAVA_FCMPL 149
993 #define ICMD_FCMPL 149
995 #define JAVA_FCMPG 150
996 #define ICMD_FCMPG 150
998 #define JAVA_DCMPL 151
999 #define ICMD_DCMPL 151
1001 #define JAVA_DCMPG 152
1002 #define ICMD_DCMPG 152
1004 #define JAVA_IFEQ 153
1005 #define ICMD_IFEQ 153 /* op1 = target JavaVM pc, val.i */
1007 #define JAVA_IFNE 154
1008 #define ICMD_IFNE 154 /* op1 = target JavaVM pc, val.i */
1010 #define JAVA_IFLT 155
1011 #define ICMD_IFLT 155 /* op1 = target JavaVM pc, val.i */
1013 #define JAVA_IFGE 156
1014 #define ICMD_IFGE 156 /* op1 = target JavaVM pc, val.i */
1016 #define JAVA_IFGT 157
1017 #define ICMD_IFGT 157 /* op1 = target JavaVM pc, val.i */
1019 #define JAVA_IFLE 158
1020 #define ICMD_IFLE 158 /* op1 = target JavaVM pc, val.i */
1022 #define JAVA_IF_ICMPEQ 159
1023 #define ICMD_IF_ICMPEQ 159 /* op1 = target JavaVM pc */
1025 #define JAVA_IF_ICMPNE 160
1026 #define ICMD_IF_ICMPNE 160 /* op1 = target JavaVM pc */
1028 #define JAVA_IF_ICMPLT 161
1029 #define ICMD_IF_ICMPLT 161 /* op1 = target JavaVM pc */
1031 #define JAVA_IF_ICMPGE 162
1032 #define ICMD_IF_ICMPGE 162 /* op1 = target JavaVM pc */
1034 #define JAVA_IF_ICMPGT 163
1035 #define ICMD_IF_ICMPGT 163 /* op1 = target JavaVM pc */
1037 #define JAVA_IF_ICMPLE 164
1038 #define ICMD_IF_ICMPLE 164 /* op1 = target JavaVM pc */
1040 #define JAVA_IF_ACMPEQ 165
1041 #define ICMD_IF_ACMPEQ 165 /* op1 = target JavaVM pc */
1043 #define JAVA_IF_ACMPNE 166
1044 #define ICMD_IF_ACMPNE 166 /* op1 = target JavaVM pc */
1046 #define JAVA_GOTO 167
1047 #define ICMD_GOTO 167 /* op1 = target JavaVM pc */
1049 #define JAVA_JSR 168
1050 #define ICMD_JSR 168 /* op1 = target JavaVM pc */
1052 #define JAVA_RET 169
1053 #define ICMD_RET 169 /* op1 = local variable */
1055 #define JAVA_TABLESWITCH 170
1056 #define ICMD_TABLESWITCH 170 /* val.a = pointer to s4 table */
1057 /* length must be computed */
1058 #define JAVA_LOOKUPSWITCH 171
1059 #define ICMD_LOOKUPSWITCH 171 /* val.a = pointer to s4 table */
1060 /* length must be computed */
1061 #define JAVA_IRETURN 172
1062 #define ICMD_IRETURN 172
1064 #define JAVA_LRETURN 173
1065 #define ICMD_LRETURN 173
1067 #define JAVA_FRETURN 174
1068 #define ICMD_FRETURN 174
1070 #define JAVA_DRETURN 175
1071 #define ICMD_DRETURN 175
1073 #define JAVA_ARETURN 176
1074 #define ICMD_ARETURN 176
1076 #define JAVA_RETURN 177
1077 #define ICMD_RETURN 177
1079 #define JAVA_GETSTATIC 178
1080 #define ICMD_GETSTATIC 178 /* op1 = type, val.a = field address */
1082 #define JAVA_PUTSTATIC 179
1083 #define ICMD_PUTSTATIC 179 /* op1 = type, val.a = field address */
1085 #define JAVA_GETFIELD 180
1086 #define ICMD_GETFIELD 180 /* op1 = type, val.i = field offset */
1088 #define JAVA_PUTFIELD 181
1089 #define ICMD_PUTFIELD 181 /* op1 = type, val.i = field offset */
1091 #define JAVA_INVOKEVIRTUAL 182
1092 #define ICMD_INVOKEVIRTUAL 182 /* val.a = method info pointer */
1094 #define JAVA_INVOKESPECIAL 183
1095 #define ICMD_INVOKESPECIAL 183 /* val.a = method info pointer */
1097 #define JAVA_INVOKESTATIC 184
1098 #define ICMD_INVOKESTATIC 184 /* val.a = method info pointer */
1100 #define JAVA_INVOKEINTERFACE 185
1101 #define ICMD_INVOKEINTERFACE 185 /* val.a = method info pointer */
1105 #define JAVA_NEW 187
1106 #define ICMD_NEW 187 /* op1 = 1, val.a = class pointer */
1108 #define JAVA_NEWARRAY 188
1109 #define ICMD_NEWARRAY 188 /* op1 = basic type */
1111 #define JAVA_ANEWARRAY 189
1112 #define ICMD_ANEWARRAY 189 /* op1 = 0, val.a = array pointer */
1113 /* op1 = 1, val.a = class pointer */
1114 #define JAVA_ARRAYLENGTH 190
1115 #define ICMD_ARRAYLENGTH 190
1117 #define JAVA_ATHROW 191
1118 #define ICMD_ATHROW 191
1120 #define JAVA_CHECKCAST 192
1121 #define ICMD_CHECKCAST 192 /* op1 = 0, val.a = array pointer */
1122 /* op1 = 1, val.a = class pointer */
1123 #define JAVA_INSTANCEOF 193
1124 #define ICMD_INSTANCEOF 193 /* op1 = 0, val.a = array pointer */
1125 /* op1 = 1, val.a = class pointer */
1126 #define JAVA_MONITORENTER 194
1127 #define ICMD_MONITORENTER 194
1129 #define JAVA_MONITOREXIT 195
1130 #define ICMD_MONITOREXIT 195
1132 #define JAVA_WIDE 196
1134 #define JAVA_MULTIANEWARRAY 197
1135 #define ICMD_MULTIANEWARRAY 197 /* op1 = dimension, val.a = array */
1137 #define JAVA_IFNULL 198
1138 #define ICMD_IFNULL 198 /* op1 = target JavaVM pc */
1140 #define JAVA_IFNONNULL 199
1141 #define ICMD_IFNONNULL 199 /* op1 = target JavaVM pc */
1143 #define JAVA_GOTO_W 200
1145 #define JAVA_JSR_W 201
1147 #define JAVA_BREAKPOINT 202
1151 #define ICMD_IASTORECONST 204
1152 #define ICMD_LASTORECONST 205
1153 #define ICMD_FASTORECONST 206
1154 #define ICMD_DASTORECONST 207
1155 #define ICMD_AASTORECONST 208
1156 #define ICMD_BASTORECONST 209
1157 #define ICMD_CASTORECONST 210
1158 #define ICMD_SASTORECONST 211
1160 #define ICMD_PUTSTATICCONST 212
1161 #define ICMD_PUTFIELDCONST 213
1163 #define ICMD_IMULPOW2 214
1164 #define ICMD_LMULPOW2 215
1166 #define ICMD_IF_FCMPEQ 216
1167 #define ICMD_IF_FCMPNE 217
1169 #define ICMD_IF_FCMPL_LT 218
1170 #define ICMD_IF_FCMPL_GE 219
1171 #define ICMD_IF_FCMPL_GT 220
1172 #define ICMD_IF_FCMPL_LE 221
1174 #define ICMD_IF_FCMPG_LT 222
1175 #define ICMD_IF_FCMPG_GE 223
1176 #define ICMD_IF_FCMPG_GT 224
1177 #define ICMD_IF_FCMPG_LE 225
1179 #define ICMD_IF_DCMPEQ 226
1180 #define ICMD_IF_DCMPNE 227
1182 #define ICMD_IF_DCMPL_LT 228
1183 #define ICMD_IF_DCMPL_GE 229
1184 #define ICMD_IF_DCMPL_GT 230
1185 #define ICMD_IF_DCMPL_LE 231
1187 #define ICMD_IF_DCMPG_LT 232
1188 #define ICMD_IF_DCMPG_GE 233
1189 #define ICMD_IF_DCMPG_GT 234
1190 #define ICMD_IF_DCMPG_LE 235
1192 #define ICMD_INLINE_START 251 /* instruction before inlined method */
1193 #define ICMD_INLINE_END 252 /* instruction after inlined method */
1194 #define ICMD_INLINE_GOTO 253 /* jump to caller of inlined method */
1196 #define ICMD_BUILTIN 255 /* internal opcode */
1199 /******************* description of JavaVM instructions ***********************/
1203 /***************************** register types *********************************/
1205 #define REG_RES 0 /* reserved register for OS or code generator */
1206 #define REG_RET 1 /* return value register */
1207 #define REG_EXC 2 /* exception value register */
1208 #define REG_SAV 3 /* (callee) saved register */
1209 #define REG_TMP 4 /* scratch temporary register (caller saved) */
1210 #define REG_ARG 5 /* argument register (caller saved) */
1212 #define REG_END -1 /* last entry in tables */
1214 #define PARAMMODE_NUMBERED 0
1215 #define PARAMMODE_STUFFED 1
1218 /***************************** register info block ****************************/
1220 extern int stackreq[256];
1223 /* function prototypes ********************************************************/
1225 /* compiler initialisation */
1226 void jit_init(void);
1228 /* compiler finalisation */
1229 void jit_close(void);
1231 /* compile a method with jit compiler */
1232 u1 *jit_compile(methodinfo *m);
1233 u1 *jit_recompile(methodinfo *m);
1235 /* patch the method entrypoint */
1236 u1 *jit_asm_compile(methodinfo *m, u1 *mptr, u1 *sp, u1 *ra);
1238 /* machine dependent functions */
1239 #if defined(ENABLE_JIT)
1242 u1 *md_get_method_patch_address(u1 *ra, stackframeinfo *sfi, u1 *mptr);
1244 void md_cacheflush(u1 *addr, s4 nbytes);
1245 void md_icacheflush(u1 *addr, s4 nbytes);
1246 void md_dcacheflush(u1 *addr, s4 nbytes);
1249 #if defined(ENABLE_INTRP)
1250 void intrp_md_init(void);
1257 * These are local overrides for various environment variables in Emacs.
1258 * Please do not remove this and leave it at the end of the file, where
1259 * Emacs will automagically detect them.
1260 * ---------------------------------------------------------------------
1263 * indent-tabs-mode: t
1267 * vim:noexpandtab:sw=4:ts=4: