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 5217 2006-08-08 12:46:51Z 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 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
120 #define JITDATA_FLAG_REORDER 0x00000010
122 #define JITDATA_FLAG_SHOWINTERMEDIATE 0x20000000
123 #define JITDATA_FLAG_SHOWDISASSEMBLE 0x40000000
124 #define JITDATA_FLAG_VERBOSECALL 0x80000000
127 #define JITDATA_HAS_FLAG_PARSE(jd) \
128 ((jd)->flags & JITDATA_FLAG_PARSE)
130 #define JITDATA_HAS_FLAG_VERIFY(jd) \
131 ((jd)->flags & JITDATA_FLAG_VERIFY)
133 #define JITDATA_HAS_FLAG_INSTRUMENT(jd) \
134 ((jd)->flags & JITDATA_FLAG_INSTRUMENT)
136 #define JITDATA_HAS_FLAG_IFCONV(jd) \
137 ((jd)->flags & JITDATA_FLAG_IFCONV)
139 #define JITDATA_HAS_FLAG_REORDER(jd) \
140 ((jd)->flags & JITDATA_FLAG_REORDER)
142 #define JITDATA_HAS_FLAG_SHOWINTERMEDIATE(jd) \
143 ((jd)->flags & JITDATA_FLAG_SHOWINTERMEDIATE)
145 #define JITDATA_HAS_FLAG_SHOWDISASSEMBLE(jd) \
146 ((jd)->flags & JITDATA_FLAG_SHOWDISASSEMBLE)
148 #define JITDATA_HAS_FLAG_VERBOSECALL(jd) \
149 ((jd)->flags & JITDATA_FLAG_VERBOSECALL)
152 /************************** stack element structure ***************************/
156 #define SAVEDVAR 1 /* variable has to survive method invocations */
157 #define INMEMORY 2 /* variable stored in memory */
158 #define SAVEDTMP 4 /* temporary variable using a saved register */
159 #define TMPARG 8 /* temporary variable using a arg register */
160 #define STCOPY 16 /* there is another stackslot alive "below" */
161 /* using the same register/memory location */
162 #define STKEEP 32 /* to prevent reg_mark_copy to free this */
167 #define UNDEFVAR 0 /* stack slot will become temp during regalloc*/
168 #define TEMPVAR 1 /* stack slot is temp register */
169 #define STACKVAR 2 /* stack slot is numbered stack slot */
170 #define LOCALVAR 3 /* stack slot is local variable */
171 #define ARGVAR 4 /* stack slot is argument variable */
174 struct stackelement {
175 stackptr prev; /* pointer to next element towards bottom */
176 s4 type; /* slot type of stack element */
177 #ifdef ENABLE_VERIFIER
178 typeinfo typeinfo; /* info on reference types */
180 s4 flags; /* flags (SAVED, INMEMORY) */
181 s4 varkind; /* kind of variable or register */
182 s4 varnum; /* number of variable */
183 s4 regoff; /* register number or memory offset */
187 /**************************** instruction structure ***************************/
189 /* branch_target_t: used in TABLESWITCH tables */
192 s4 insindex; /* used between parse and stack */
193 basicblock *block; /* used from stack analysis onwards */
196 /* lookup_target_t: used in LOOKUPSWITCH tables */
199 s4 value; /* case value */
200 branch_target_t target; /* branch target, see above */
216 classref_or_classinfo c;
217 unresolved_class *uc;
218 ptrint constval; /* for PUT*CONST */
219 s4 tablelow; /* for TABLESWITCH */
220 u4 lookupcount; /* for LOOKUPSWITCH */
228 classref_or_classinfo c;
229 constant_FMIref *fmiref;
230 unresolved_method *um;
231 unresolved_field *uf;
232 insinfo_inline *inlineinfo; /* for INLINE_START/END */
233 s4 tablehigh; /* for TABLESWITCH */
234 branch_target_t lookupdefault; /* for LOOKUPSWITCH */
235 branch_target_t jsrtarget; /* for JSR */
236 struct builtintable_entry *bte;
239 /*** val operand ***/
247 java_objectheader *stringconst; /* for ACONST with string */
248 classref_or_classinfo c; /* for ACONST with class */
251 /*** dst operand ***/
256 basicblock *block; /* valid after stack analysis */
257 branch_target_t *table; /* for TABLESWITCH */
258 lookup_target_t *lookup; /* for LOOKUPSWITCH */
259 s4 insindex; /* used between parse and stack */
260 stackptr *dupslots; /* for SWAP, DUP* except DUP */
263 /*** flags (32 bits) ***/
265 #define INS_FLAG_UNRESOLVED 0x01 /* contains unresolved field/meth/class*/
266 #define INS_FLAG_CLASS 0x02 /* for ACONST with class */
267 #define INS_FLAG_ARRAY 0x04 /* for CHECKCAST/INSTANCEOF with array */
268 #define INS_FLAG_NOCHECK 0x08
272 struct { /* fields: */
275 u1 type; /* TYPE_* constant for fields */
276 u1 argcount; /* XXX does u1 suffice? */
277 /* for MULTIANEWARRAY and */
279 } f; /* XXX these could be made smaller */
280 /* only MULTIANEWARRAY needs the argcount */
284 bool unresolved:1; /* field/method is unresolved */
285 bool nocheck :1; /* don't check array access */
286 bool branch :1; /* branch to dst.target */
297 /*** instruction ***/
299 /* The new instruction format for the intermediate representation: */
301 struct new_instruction {
303 u2 line; /* line number */
304 #if SIZEOF_VOID_P == 8
305 flags_operand_t flags; /* 4 bytes */
307 s1_operand_t s1; /* pointer-size */
310 s2_operand_t s2; /* pointer-size */
311 s3_operand_t s3; /* pointer-size */
313 val_operand_t val; /* long-size */
315 dst_operand_t dst; /* pointer-size */
316 #if SIZEOF_VOID_P == 4
317 flags_operand_t flags; /* 4 bytes */
321 /* XXX This instruction format will become obsolete. */
324 stackptr dst; /* stack index of destination operand stack */
325 u2 opc; /* opcode of intermediate code command */
326 s4 op1; /* first operand, usually variable number */
327 imm_union val; /* immediate constant */
328 void *target; /* used for targets of branches and jumps */
329 /* and as address for list of targets for */
331 u2 line; /* line number in source file */
334 #define INSTRUCTION_IS_RESOLVED(iptr) \
335 (!((ptrint)(iptr)->target & 0x01)) /* XXX target used temporarily as flag */
337 #define INSTRUCTION_IS_UNRESOLVED(iptr) \
338 ((ptrint)(iptr)->target & 0x01) /* XXX target used temporarily as flag */
340 #define NEW_INSTRUCTION_IS_RESOLVED(iptr) \
341 (!((iptr)->flags.bits & INS_FLAG_UNRESOLVED))
343 #define NEW_INSTRUCTION_IS_UNRESOLVED(iptr) \
344 ((iptr)->flags.bits & INS_FLAG_UNRESOLVED)
346 #define NEW_INSTRUCTION_MUST_CHECK(iptr) \
347 (!((iptr)->flags.bits & INS_FLAG_NOCHECK))
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_CLASS(iptr) \
406 ((unresolved_class *) (iptr)->val.a)
408 #define INSTRUCTION_UNRESOLVED_METHOD(iptr) \
409 ((unresolved_method *) (iptr)->val.a)
411 #define INSTRUCTION_UNRESOLVED_FIELD(iptr) \
412 ((unresolved_field *) (iptr)->val.a)
414 #define INSTRUCTION_RESOLVED_FMIREF(iptr) \
415 ((constant_FMIref *)(iptr)->val.a)
417 #define INSTRUCTION_RESOLVED_FIELDINFO(iptr) \
418 (INSTRUCTION_RESOLVED_FMIREF(iptr)->p.field)
420 #define INSTRUCTION_RESOLVED_METHODINFO(iptr) \
421 (INSTRUCTION_RESOLVED_FMIREF(iptr)->p.method)
423 #define INSTRUCTION_PUTCONST_TYPE(iptr) \
426 #define INSTRUCTION_PUTCONST_VALUE_ADR(iptr) \
429 #define INSTRUCTION_PUTCONST_FIELDINFO(iptr) \
430 ((fieldinfo *)((iptr)[1].val.a))
432 #define INSTRUCTION_PUTCONST_FIELDINFO_PTR(iptr) \
433 ((fieldinfo **) &((iptr)[1].val.a))
435 #define INSTRUCTION_PUTCONST_FIELDREF(iptr) \
436 ((unresolved_field *)((iptr)[1].target))
438 /* for ICMD_ACONST */
440 #define ICMD_ACONST_IS_CLASS(iptr) \
441 ((ptrint)(iptr)->target & 0x02) /* XXX target used temporarily as flag */
443 #define ICMD_ACONST_CLASSREF_OR_CLASSINFO(iptr) \
444 (CLASSREF_OR_CLASSINFO((iptr)->val.a))
446 #define ICMD_ACONST_RESOLVED_CLASSINFO(iptr) \
447 ((classinfo *) (iptr)->val.a)
449 #define ICMD_ACONST_UNRESOLVED_CLASSREF(iptr) \
450 ((constant_classref *) (iptr)->val.a)
453 /* additional info structs for special instructions ***************************/
455 /* for ICMD_INLINE_START and ICMD_INLINE_END */
457 struct insinfo_inline {
458 methodinfo *method; /* the inlined method starting/ending here */
459 methodinfo *outer; /* the outer method suspended/resumed here */
460 s4 startmpc; /* machine code offset of start of inlining */
461 s4 synclocal; /* local index used for synchronization */
462 bool synchronize; /* true if synchronization is needed */
465 /* basicblock *****************************************************************/
474 #define BBTYPECHECK_UNDEF 2
475 #define BBTYPECHECK_REACHED 3
477 #define BBTYPE_STD 0 /* standard basic block type */
478 #define BBTYPE_EXH 1 /* exception handler basic block type */
479 #define BBTYPE_SBR 2 /* subroutine basic block type */
481 #define BBFLAG_REPLACEMENT 0x01 /* put a replacement point at the start */
483 /* XXX basicblock wastes quite a lot of memory by having four flag fields */
484 /* (flags, bitflags, type and lflags). Probably the last three could be */
485 /* combined without loss of efficiency. The first one could be combined with */
486 /* the others by using bitfields. */
489 s4 nr; /* basic block number */
490 s4 flags; /* used during stack analysis, init with -1 */
491 s4 bitflags; /* OR of BBFLAG_... constants, init with 0 */
492 s4 type; /* basic block type (std, xhandler, subroutine*/
493 instruction *iinstr; /* pointer to intermediate code instructions */
494 s4 icount; /* number of intermediate code instructions */
495 s4 mpc; /* machine code pc at start of block */
496 stackptr instack; /* stack at begin of basic block */
497 stackptr outstack; /* stack at end of basic block */
498 s4 indepth; /* stack depth at begin of basic block */
499 s4 outdepth; /* stack depth end of basic block */
503 basicblock **predecessors; /* array of predecessor basic blocks */
504 basicblock **successors; /* array of successor basic blocks */
506 branchref *branchrefs; /* list of branches to be patched */
508 basicblock *next; /* used to build a BB list (instead of array) */
509 s4 lflags; /* used during loop copying, init with 0 */
510 basicblock *copied_to; /* points to the copy of this basic block */
511 /* when loop nodes are copied */
512 stackptr stack; /* start of stack array for this block */
513 /* (see doc/stack.txt) */
514 methodinfo *method; /* method this block belongs to */
518 /* Macro for initializing newly allocated basic block's. It does not
519 need to zero fields, as we zero out the whole basic block array. */
521 #define BASICBLOCK_INIT(bptr,m) \
525 bptr->type = BBTYPE_STD; \
526 bptr->method = (m); \
527 bptr->nr = (m)->c_debug_nr++; \
531 /* branchref *****************************************************************/
534 s4 branchpos; /* patching position in code segment */
535 branchref *next; /* next element in branchref list */
539 /********** op1 values for ACONST instructions ********************************/
541 #define ACONST_LOAD 0 /* ACONST_NULL or LDC instruction */
542 #define ACONST_BUILTIN 1 /* constant argument for a builtin function call */
545 /********** JavaVM operation codes (sorted) and instruction lengths ***********/
547 extern char *icmd_names[256];
548 extern char *opcode_names[256];
549 extern int jcommandsize[256];
554 #define JAVA_ACONST_NULL 1
555 #define ICMD_ACONST 1 /* val.a = constant */
557 #define JAVA_ICONST_M1 2
558 #define ICMD_CHECKNULL 2
560 #define JAVA_ICONST_0 3
561 #define ICMD_ICONST 3 /* val.i = constant */
563 #define JAVA_ICONST_1 4
564 #define ICMD_CHECKNULL_POP 4
566 #define JAVA_ICONST_2 5
567 #define ICMD_IDIVPOW2 5 /* val.i = constant */
569 #define JAVA_ICONST_3 6
570 #define ICMD_LDIVPOW2 6 /* val.l = constant */
572 #define JAVA_ICONST_4 7
574 #define JAVA_ICONST_5 8
576 #define JAVA_LCONST_0 9
577 #define ICMD_LCONST 9 /* val.l = constant */
579 #define JAVA_LCONST_1 10
580 #define ICMD_LCMPCONST 10 /* val.l = constant */
582 #define JAVA_FCONST_0 11
583 #define ICMD_FCONST 11 /* val.f = constant */
585 #define JAVA_FCONST_1 12
587 #define JAVA_FCONST_2 13
589 #define JAVA_DCONST_0 14
590 #define ICMD_DCONST 14 /* val.d = constant */
592 #define JAVA_DCONST_1 15
594 #define JAVA_BIPUSH 16
596 #define JAVA_SIPUSH 17
602 #define JAVA_LDC2W 20
604 /* order of LOAD instructions must be */
605 /* equal to order of TYPE_* defines */
606 #define JAVA_ILOAD 21
607 #define ICMD_ILOAD 21 /* op1 = local variable */
609 #define JAVA_LLOAD 22
610 #define ICMD_LLOAD 22 /* op1 = local variable */
612 #define JAVA_FLOAD 23
613 #define ICMD_FLOAD 23 /* op1 = local variable */
615 #define JAVA_DLOAD 24
616 #define ICMD_DLOAD 24 /* op1 = local variable */
618 #define JAVA_ALOAD 25
619 #define ICMD_ALOAD 25 /* op1 = local variable */
621 #define JAVA_ILOAD_0 26
622 #define ICMD_IADDCONST 26 /* val.i = constant */
624 #define JAVA_ILOAD_1 27
625 #define ICMD_ISUBCONST 27 /* val.i = constant */
627 #define JAVA_ILOAD_2 28
628 #define ICMD_IMULCONST 28 /* val.i = constant */
630 #define JAVA_ILOAD_3 29
631 #define ICMD_IANDCONST 29 /* val.i = constant */
633 #define JAVA_LLOAD_0 30
634 #define ICMD_IORCONST 30 /* val.i = constant */
636 #define JAVA_LLOAD_1 31
637 #define ICMD_IXORCONST 31 /* val.i = constant */
639 #define JAVA_LLOAD_2 32
640 #define ICMD_ISHLCONST 32 /* val.i = constant */
642 #define JAVA_LLOAD_3 33
643 #define ICMD_ISHRCONST 33 /* val.i = constant */
645 #define JAVA_FLOAD_0 34
646 #define ICMD_IUSHRCONST 34 /* val.i = constant */
648 #define JAVA_FLOAD_1 35
649 #define ICMD_IREMPOW2 35 /* val.i = constant */
651 #define JAVA_FLOAD_2 36
652 #define ICMD_LADDCONST 36 /* val.l = constant */
654 #define JAVA_FLOAD_3 37
655 #define ICMD_LSUBCONST 37 /* val.l = constant */
657 #define JAVA_DLOAD_0 38
658 #define ICMD_LMULCONST 38 /* val.l = constant */
660 #define JAVA_DLOAD_1 39
661 #define ICMD_LANDCONST 39 /* val.l = constant */
663 #define JAVA_DLOAD_2 40
664 #define ICMD_LORCONST 40 /* val.l = constant */
666 #define JAVA_DLOAD_3 41
667 #define ICMD_LXORCONST 41 /* val.l = constant */
669 #define JAVA_ALOAD_0 42
670 #define ICMD_LSHLCONST 42 /* val.l = constant */
672 #define JAVA_ALOAD_1 43
673 #define ICMD_LSHRCONST 43 /* val.l = constant */
675 #define JAVA_ALOAD_2 44
676 #define ICMD_LUSHRCONST 44 /* val.l = constant */
678 #define JAVA_ALOAD_3 45
679 #define ICMD_LREMPOW2 45 /* val.l = constant */
681 #define JAVA_IALOAD 46
682 #define ICMD_IALOAD 46
684 #define JAVA_LALOAD 47
685 #define ICMD_LALOAD 47
687 #define JAVA_FALOAD 48
688 #define ICMD_FALOAD 48
690 #define JAVA_DALOAD 49
691 #define ICMD_DALOAD 49
693 #define JAVA_AALOAD 50
694 #define ICMD_AALOAD 50
696 #define JAVA_BALOAD 51
697 #define ICMD_BALOAD 51
699 #define JAVA_CALOAD 52
700 #define ICMD_CALOAD 52
702 #define JAVA_SALOAD 53
703 #define ICMD_SALOAD 53
705 /* order of STORE instructions must be*/
706 /* equal to order of TYPE_* defines */
707 #define JAVA_ISTORE 54
708 #define ICMD_ISTORE 54 /* op1 = local variable */
710 #define JAVA_LSTORE 55
711 #define ICMD_LSTORE 55 /* op1 = local variable */
713 #define JAVA_FSTORE 56
714 #define ICMD_FSTORE 56 /* op1 = local variable */
716 #define JAVA_DSTORE 57
717 #define ICMD_DSTORE 57 /* op1 = local variable */
719 #define JAVA_ASTORE 58
720 #define ICMD_ASTORE 58 /* op1 = local variable */
722 #define JAVA_ISTORE_0 59
723 #define ICMD_IF_LEQ 59 /* op1 = target JavaVM pc, val.l */
725 #define JAVA_ISTORE_1 60
726 #define ICMD_IF_LNE 60 /* op1 = target JavaVM pc, val.l */
728 #define JAVA_ISTORE_2 61
729 #define ICMD_IF_LLT 61 /* op1 = target JavaVM pc, val.l */
731 #define JAVA_ISTORE_3 62
732 #define ICMD_IF_LGE 62 /* op1 = target JavaVM pc, val.l */
734 #define JAVA_LSTORE_0 63
735 #define ICMD_IF_LGT 63 /* op1 = target JavaVM pc, val.l */
737 #define JAVA_LSTORE_1 64
738 #define ICMD_IF_LLE 64 /* op1 = target JavaVM pc, val.l */
740 #define JAVA_LSTORE_2 65
741 #define ICMD_IF_LCMPEQ 65 /* op1 = target JavaVM pc */
743 #define JAVA_LSTORE_3 66
744 #define ICMD_IF_LCMPNE 66 /* op1 = target JavaVM pc */
746 #define JAVA_FSTORE_0 67
747 #define ICMD_IF_LCMPLT 67 /* op1 = target JavaVM pc */
749 #define JAVA_FSTORE_1 68
750 #define ICMD_IF_LCMPGE 68 /* op1 = target JavaVM pc */
752 #define JAVA_FSTORE_2 69
753 #define ICMD_IF_LCMPGT 69 /* op1 = target JavaVM pc */
755 #define JAVA_FSTORE_3 70
756 #define ICMD_IF_LCMPLE 70 /* op1 = target JavaVM pc */
758 #define JAVA_DSTORE_0 71
760 #define JAVA_DSTORE_1 72
762 #define JAVA_DSTORE_2 73
764 #define JAVA_DSTORE_3 74
766 #define JAVA_ASTORE_0 75
768 #define JAVA_ASTORE_1 76
770 #define JAVA_ASTORE_2 77
772 #define JAVA_ASTORE_3 78
774 #define JAVA_IASTORE 79
775 #define ICMD_IASTORE 79
777 #define JAVA_LASTORE 80
778 #define ICMD_LASTORE 80
780 #define JAVA_FASTORE 81
781 #define ICMD_FASTORE 81
783 #define JAVA_DASTORE 82
784 #define ICMD_DASTORE 82
786 #define JAVA_AASTORE 83
787 #define ICMD_AASTORE 83
789 #define JAVA_BASTORE 84
790 #define ICMD_BASTORE 84
792 #define JAVA_CASTORE 85
793 #define ICMD_CASTORE 85
795 #define JAVA_SASTORE 86
796 #define ICMD_SASTORE 86
807 #define JAVA_DUP_X1 90
808 #define ICMD_DUP_X1 90
810 #define JAVA_DUP_X2 91
811 #define ICMD_DUP_X2 91
816 #define JAVA_DUP2_X1 93
817 #define ICMD_DUP2_X1 93
819 #define JAVA_DUP2_X2 94
820 #define ICMD_DUP2_X2 94
837 #define JAVA_ISUB 100
838 #define ICMD_ISUB 100
840 #define JAVA_LSUB 101
841 #define ICMD_LSUB 101
843 #define JAVA_FSUB 102
844 #define ICMD_FSUB 102
846 #define JAVA_DSUB 103
847 #define ICMD_DSUB 103
849 #define JAVA_IMUL 104
850 #define ICMD_IMUL 104
852 #define JAVA_LMUL 105
853 #define ICMD_LMUL 105
855 #define JAVA_FMUL 106
856 #define ICMD_FMUL 106
858 #define JAVA_DMUL 107
859 #define ICMD_DMUL 107
861 #define JAVA_IDIV 108
862 #define ICMD_IDIV 108
864 #define JAVA_LDIV 109
865 #define ICMD_LDIV 109
867 #define JAVA_FDIV 110
868 #define ICMD_FDIV 110
870 #define JAVA_DDIV 111
871 #define ICMD_DDIV 111
873 #define JAVA_IREM 112
874 #define ICMD_IREM 112
876 #define JAVA_LREM 113
877 #define ICMD_LREM 113
879 #define JAVA_FREM 114
880 #define ICMD_FREM 114
882 #define JAVA_DREM 115
883 #define ICMD_DREM 115
885 #define JAVA_INEG 116
886 #define ICMD_INEG 116
888 #define JAVA_LNEG 117
889 #define ICMD_LNEG 117
891 #define JAVA_FNEG 118
892 #define ICMD_FNEG 118
894 #define JAVA_DNEG 119
895 #define ICMD_DNEG 119
897 #define JAVA_ISHL 120
898 #define ICMD_ISHL 120
900 #define JAVA_LSHL 121
901 #define ICMD_LSHL 121
903 #define JAVA_ISHR 122
904 #define ICMD_ISHR 122
906 #define JAVA_LSHR 123
907 #define ICMD_LSHR 123
909 #define JAVA_IUSHR 124
910 #define ICMD_IUSHR 124
912 #define JAVA_LUSHR 125
913 #define ICMD_LUSHR 125
915 #define JAVA_IAND 126
916 #define ICMD_IAND 126
918 #define JAVA_LAND 127
919 #define ICMD_LAND 127
927 #define JAVA_IXOR 130
928 #define ICMD_IXOR 130
930 #define JAVA_LXOR 131
931 #define ICMD_LXOR 131
933 #define JAVA_IINC 132
934 #define ICMD_IINC 132 /* op1 = local variable, val.i = constant */
972 #define JAVA_INT2BYTE 145
973 #define ICMD_INT2BYTE 145
975 #define JAVA_INT2CHAR 146
976 #define ICMD_INT2CHAR 146
978 #define JAVA_INT2SHORT 147
979 #define ICMD_INT2SHORT 147
981 #define JAVA_LCMP 148
982 #define ICMD_LCMP 148
984 #define JAVA_FCMPL 149
985 #define ICMD_FCMPL 149
987 #define JAVA_FCMPG 150
988 #define ICMD_FCMPG 150
990 #define JAVA_DCMPL 151
991 #define ICMD_DCMPL 151
993 #define JAVA_DCMPG 152
994 #define ICMD_DCMPG 152
996 #define JAVA_IFEQ 153
997 #define ICMD_IFEQ 153 /* op1 = target JavaVM pc, val.i */
999 #define JAVA_IFNE 154
1000 #define ICMD_IFNE 154 /* op1 = target JavaVM pc, val.i */
1002 #define JAVA_IFLT 155
1003 #define ICMD_IFLT 155 /* op1 = target JavaVM pc, val.i */
1005 #define JAVA_IFGE 156
1006 #define ICMD_IFGE 156 /* op1 = target JavaVM pc, val.i */
1008 #define JAVA_IFGT 157
1009 #define ICMD_IFGT 157 /* op1 = target JavaVM pc, val.i */
1011 #define JAVA_IFLE 158
1012 #define ICMD_IFLE 158 /* op1 = target JavaVM pc, val.i */
1014 #define JAVA_IF_ICMPEQ 159
1015 #define ICMD_IF_ICMPEQ 159 /* op1 = target JavaVM pc */
1017 #define JAVA_IF_ICMPNE 160
1018 #define ICMD_IF_ICMPNE 160 /* op1 = target JavaVM pc */
1020 #define JAVA_IF_ICMPLT 161
1021 #define ICMD_IF_ICMPLT 161 /* op1 = target JavaVM pc */
1023 #define JAVA_IF_ICMPGE 162
1024 #define ICMD_IF_ICMPGE 162 /* op1 = target JavaVM pc */
1026 #define JAVA_IF_ICMPGT 163
1027 #define ICMD_IF_ICMPGT 163 /* op1 = target JavaVM pc */
1029 #define JAVA_IF_ICMPLE 164
1030 #define ICMD_IF_ICMPLE 164 /* op1 = target JavaVM pc */
1032 #define JAVA_IF_ACMPEQ 165
1033 #define ICMD_IF_ACMPEQ 165 /* op1 = target JavaVM pc */
1035 #define JAVA_IF_ACMPNE 166
1036 #define ICMD_IF_ACMPNE 166 /* op1 = target JavaVM pc */
1038 #define JAVA_GOTO 167
1039 #define ICMD_GOTO 167 /* op1 = target JavaVM pc */
1041 #define JAVA_JSR 168
1042 #define ICMD_JSR 168 /* op1 = target JavaVM pc */
1044 #define JAVA_RET 169
1045 #define ICMD_RET 169 /* op1 = local variable */
1047 #define JAVA_TABLESWITCH 170
1048 #define ICMD_TABLESWITCH 170 /* val.a = pointer to s4 table */
1049 /* length must be computed */
1050 #define JAVA_LOOKUPSWITCH 171
1051 #define ICMD_LOOKUPSWITCH 171 /* val.a = pointer to s4 table */
1052 /* length must be computed */
1053 #define JAVA_IRETURN 172
1054 #define ICMD_IRETURN 172
1056 #define JAVA_LRETURN 173
1057 #define ICMD_LRETURN 173
1059 #define JAVA_FRETURN 174
1060 #define ICMD_FRETURN 174
1062 #define JAVA_DRETURN 175
1063 #define ICMD_DRETURN 175
1065 #define JAVA_ARETURN 176
1066 #define ICMD_ARETURN 176
1068 #define JAVA_RETURN 177
1069 #define ICMD_RETURN 177
1071 #define JAVA_GETSTATIC 178
1072 #define ICMD_GETSTATIC 178 /* op1 = type, val.a = field address */
1074 #define JAVA_PUTSTATIC 179
1075 #define ICMD_PUTSTATIC 179 /* op1 = type, val.a = field address */
1077 #define JAVA_GETFIELD 180
1078 #define ICMD_GETFIELD 180 /* op1 = type, val.i = field offset */
1080 #define JAVA_PUTFIELD 181
1081 #define ICMD_PUTFIELD 181 /* op1 = type, val.i = field offset */
1083 #define JAVA_INVOKEVIRTUAL 182
1084 #define ICMD_INVOKEVIRTUAL 182 /* val.a = method info pointer */
1086 #define JAVA_INVOKESPECIAL 183
1087 #define ICMD_INVOKESPECIAL 183 /* val.a = method info pointer */
1089 #define JAVA_INVOKESTATIC 184
1090 #define ICMD_INVOKESTATIC 184 /* val.a = method info pointer */
1092 #define JAVA_INVOKEINTERFACE 185
1093 #define ICMD_INVOKEINTERFACE 185 /* val.a = method info pointer */
1097 #define JAVA_NEW 187
1098 #define ICMD_NEW 187 /* op1 = 1, val.a = class pointer */
1100 #define JAVA_NEWARRAY 188
1101 #define ICMD_NEWARRAY 188 /* op1 = basic type */
1103 #define JAVA_ANEWARRAY 189
1104 #define ICMD_ANEWARRAY 189 /* op1 = 0, val.a = array pointer */
1105 /* op1 = 1, val.a = class pointer */
1106 #define JAVA_ARRAYLENGTH 190
1107 #define ICMD_ARRAYLENGTH 190
1109 #define JAVA_ATHROW 191
1110 #define ICMD_ATHROW 191
1112 #define JAVA_CHECKCAST 192
1113 #define ICMD_CHECKCAST 192 /* op1 = 0, val.a = array pointer */
1114 /* op1 = 1, val.a = class pointer */
1115 #define JAVA_INSTANCEOF 193
1116 #define ICMD_INSTANCEOF 193 /* op1 = 0, val.a = array pointer */
1117 /* op1 = 1, val.a = class pointer */
1118 #define JAVA_MONITORENTER 194
1119 #define ICMD_MONITORENTER 194
1121 #define JAVA_MONITOREXIT 195
1122 #define ICMD_MONITOREXIT 195
1124 #define JAVA_WIDE 196
1126 #define JAVA_MULTIANEWARRAY 197
1127 #define ICMD_MULTIANEWARRAY 197 /* op1 = dimension, val.a = array */
1129 #define JAVA_IFNULL 198
1130 #define ICMD_IFNULL 198 /* op1 = target JavaVM pc */
1132 #define JAVA_IFNONNULL 199
1133 #define ICMD_IFNONNULL 199 /* op1 = target JavaVM pc */
1135 #define JAVA_GOTO_W 200
1137 #define JAVA_JSR_W 201
1139 #define JAVA_BREAKPOINT 202
1143 #define ICMD_IASTORECONST 204
1144 #define ICMD_LASTORECONST 205
1145 #define ICMD_FASTORECONST 206
1146 #define ICMD_DASTORECONST 207
1147 #define ICMD_AASTORECONST 208
1148 #define ICMD_BASTORECONST 209
1149 #define ICMD_CASTORECONST 210
1150 #define ICMD_SASTORECONST 211
1152 #define ICMD_PUTSTATICCONST 212
1153 #define ICMD_PUTFIELDCONST 213
1155 #define ICMD_IMULPOW2 214
1156 #define ICMD_LMULPOW2 215
1158 #define ICMD_IF_FCMPEQ 216
1159 #define ICMD_IF_FCMPNE 217
1161 #define ICMD_IF_FCMPL_LT 218
1162 #define ICMD_IF_FCMPL_GE 219
1163 #define ICMD_IF_FCMPL_GT 220
1164 #define ICMD_IF_FCMPL_LE 221
1166 #define ICMD_IF_FCMPG_LT 222
1167 #define ICMD_IF_FCMPG_GE 223
1168 #define ICMD_IF_FCMPG_GT 224
1169 #define ICMD_IF_FCMPG_LE 225
1171 #define ICMD_IF_DCMPEQ 226
1172 #define ICMD_IF_DCMPNE 227
1174 #define ICMD_IF_DCMPL_LT 228
1175 #define ICMD_IF_DCMPL_GE 229
1176 #define ICMD_IF_DCMPL_GT 230
1177 #define ICMD_IF_DCMPL_LE 231
1179 #define ICMD_IF_DCMPG_LT 232
1180 #define ICMD_IF_DCMPG_GE 233
1181 #define ICMD_IF_DCMPG_GT 234
1182 #define ICMD_IF_DCMPG_LE 235
1184 #define ICMD_INLINE_START 251 /* instruction before inlined method */
1185 #define ICMD_INLINE_END 252 /* instruction after inlined method */
1186 #define ICMD_INLINE_GOTO 253 /* jump to caller of inlined method */
1188 #define ICMD_BUILTIN 255 /* internal opcode */
1191 /******************* description of JavaVM instructions ***********************/
1195 /***************************** register types *********************************/
1197 #define REG_RES 0 /* reserved register for OS or code generator */
1198 #define REG_RET 1 /* return value register */
1199 #define REG_EXC 2 /* exception value register */
1200 #define REG_SAV 3 /* (callee) saved register */
1201 #define REG_TMP 4 /* scratch temporary register (caller saved) */
1202 #define REG_ARG 5 /* argument register (caller saved) */
1204 #define REG_END -1 /* last entry in tables */
1206 #define PARAMMODE_NUMBERED 0
1207 #define PARAMMODE_STUFFED 1
1210 /***************************** register info block ****************************/
1212 extern int stackreq[256];
1215 /* function prototypes ********************************************************/
1217 /* compiler initialisation */
1218 void jit_init(void);
1220 /* compiler finalisation */
1221 void jit_close(void);
1223 /* compile a method with jit compiler */
1224 u1 *jit_compile(methodinfo *m);
1225 u1 *jit_recompile(methodinfo *m);
1227 /* patch the method entrypoint */
1228 u1 *jit_asm_compile(methodinfo *m, u1 *mptr, u1 *sp, u1 *ra);
1230 s4 jit_complement_condition(s4 opcode);
1232 /* machine dependent functions */
1233 #if defined(ENABLE_JIT)
1236 u1 *md_get_method_patch_address(u1 *ra, stackframeinfo *sfi, u1 *mptr);
1238 void md_cacheflush(u1 *addr, s4 nbytes);
1239 void md_icacheflush(u1 *addr, s4 nbytes);
1240 void md_dcacheflush(u1 *addr, s4 nbytes);
1243 #if defined(ENABLE_INTRP)
1244 void intrp_md_init(void);
1251 * These are local overrides for various environment variables in Emacs.
1252 * Please do not remove this and leave it at the end of the file, where
1253 * Emacs will automagically detect them.
1254 * ---------------------------------------------------------------------
1257 * indent-tabs-mode: t
1261 * vim:noexpandtab:sw=4:ts=4: