1 /* src/vm/jit/intrp/codegen.c - code generator for Interpreter
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: Christian Thalinger
33 $Id: codegen.c 4699 2006-03-28 14:52:32Z twisti $
45 #elif defined(WITH_FFCALL)
48 # error neither WITH_FFI nor WITH_FFCALL defined
55 #include "vm/jit/intrp/codegen.h"
56 #include "vm/jit/intrp/intrp.h"
58 #include "native/native.h"
59 #include "vm/builtin.h"
61 #include "vm/exceptions.h"
62 #include "vm/global.h"
63 #include "vm/options.h"
64 #include "vm/stringlocal.h"
66 #include "vm/jit/asmpart.h"
67 #include "vm/jit/codegen-common.h"
68 #include "vm/jit/dseg.h"
69 #include "vm/jit/jit.h"
70 #include "vm/jit/parse.h"
71 #include "vm/jit/patcher.h"
74 #define gen_branch(_inst) { \
76 codegen_addreference(cd, (basicblock *) (iptr->target), cd->mcodeptr); \
79 #define index2offset(_i) (-(_i) * SIZEOF_VOID_P)
81 /* functions used by cacao-gen.i */
83 void genarg_v(codegendata *cd1, Cell v)
85 Inst **mcodepp = (Inst **) &(cd1->mcodeptr);
86 *((Cell *) *mcodepp) = v;
90 void genarg_i(codegendata *cd1, s4 i)
92 Inst **mcodepp = (Inst **) &(cd1->mcodeptr);
93 *((Cell *) *mcodepp) = i;
97 void genarg_b(codegendata *cd1, s4 i)
102 void genarg_f(codegendata *cd1, float f)
110 void genarg_l(codegendata *cd1, s8 l)
112 Inst **mcodepp = (Inst **) &(cd1->mcodeptr);
113 vm_l2twoCell(l, ((Cell *) *mcodepp)[1], ((Cell *) *mcodepp)[0]);
117 void genarg_aRef(codegendata *cd1, java_objectheader *a)
119 Inst **mcodepp = (Inst **) &(cd1->mcodeptr);
120 *((java_objectheader **) *mcodepp) = a;
124 void genarg_aArray(codegendata *cd1, java_arrayheader *a)
126 Inst **mcodepp = (Inst **) &(cd1->mcodeptr);
127 *((java_arrayheader **) *mcodepp) = a;
131 void genarg_aaTarget(codegendata *cd1, Inst **a)
133 Inst **mcodepp = (Inst **) &(cd1->mcodeptr);
134 *((Inst ***) *mcodepp) = a;
138 void genarg_aClass(codegendata *cd1, classinfo *a)
140 Inst **mcodepp = (Inst **) &(cd1->mcodeptr);
141 *((classinfo **) *mcodepp) = a;
145 void genarg_acr(codegendata *cd1, constant_classref *a)
147 Inst **mcodepp = (Inst **) &(cd1->mcodeptr);
148 *((constant_classref **) *mcodepp) = a;
152 void genarg_addr(codegendata *cd1, u1 *a)
154 Inst **mcodepp = (Inst **) &(cd1->mcodeptr);
155 *((u1 **) *mcodepp) = a;
159 void genarg_af(codegendata *cd1, functionptr a)
161 Inst **mcodepp = (Inst **) &(cd1->mcodeptr);
162 *((functionptr *) *mcodepp) = a;
166 void genarg_am(codegendata *cd1, methodinfo *a)
168 Inst **mcodepp = (Inst **) &(cd1->mcodeptr);
169 *((methodinfo **) *mcodepp) = a;
173 void genarg_acell(codegendata *cd1, Cell *a)
175 Inst **mcodepp = (Inst **) &(cd1->mcodeptr);
176 *((Cell **) *mcodepp) = a;
180 void genarg_ainst(codegendata *cd1, Inst *a)
182 Inst **mcodepp = (Inst **) &(cd1->mcodeptr);
183 *((Inst **) *mcodepp) = a;
187 void genarg_auf(codegendata *cd1, unresolved_field *a)
189 Inst **mcodepp = (Inst **) &(cd1->mcodeptr);
190 *((unresolved_field **) *mcodepp) = a;
194 void genarg_aum(codegendata *cd1, unresolved_method *a)
196 Inst **mcodepp = (Inst **) &(cd1->mcodeptr);
197 *((unresolved_method **) *mcodepp) = a;
201 void genarg_avftbl(codegendata *cd1, vftbl_t *a)
203 Inst **mcodepp = (Inst **) &(cd1->mcodeptr);
204 *((vftbl_t **) *mcodepp) = a;
209 /* include the interpreter generation functions *******************************/
211 #include "vm/jit/intrp/java-gen.i"
214 typedef void (*genfunctionptr) (codegendata *);
216 typedef struct builtin_gen builtin_gen;
223 struct builtin_gen builtin_gen_table[] = {
224 {BUILTIN_new, gen_NEW, },
225 {BUILTIN_newarray, gen_NEWARRAY, },
226 {BUILTIN_newarray_boolean, gen_NEWARRAY_BOOLEAN,},
227 {BUILTIN_newarray_byte, gen_NEWARRAY_BYTE, },
228 {BUILTIN_newarray_char, gen_NEWARRAY_CHAR, },
229 {BUILTIN_newarray_short, gen_NEWARRAY_SHORT, },
230 {BUILTIN_newarray_int, gen_NEWARRAY_INT, },
231 {BUILTIN_newarray_long, gen_NEWARRAY_LONG, },
232 {BUILTIN_newarray_float, gen_NEWARRAY_FLOAT, },
233 {BUILTIN_newarray_double, gen_NEWARRAY_DOUBLE, },
234 {BUILTIN_arrayinstanceof, gen_ARRAYINSTANCEOF, },
236 #if defined(USE_THREADS)
237 {BUILTIN_monitorenter, gen_MONITORENTER, },
238 {BUILTIN_monitorexit, gen_MONITOREXIT, },
241 #if !(SUPPORT_FLOAT && SUPPORT_LONG && SUPPORT_F2L)
242 {BUILTIN_f2l, gen_F2L, },
245 #if !(SUPPORT_DOUBLE && SUPPORT_LONG && SUPPORT_D2L)
246 {BUILTIN_d2l, gen_D2L, },
249 #if !(SUPPORT_FLOAT && SUPPORT_F2I)
250 {BUILTIN_f2i, gen_F2I, },
253 #if !(SUPPORT_DOUBLE && SUPPORT_D2I)
254 {BUILTIN_d2i, gen_D2I, },
257 #if !SUPPORT_DIVISION
258 {BUILTIN_idiv, gen_IDIV, },
259 {BUILTIN_irem, gen_IREM, },
262 #if !(SUPPORT_DIVISION && SUPPORT_LONG && SUPPORT_LONG_DIV)
263 {BUILTIN_ldiv, gen_LDIV, },
264 {BUILTIN_lrem, gen_LREM, },
267 {BUILTIN_frem, gen_FREM, },
268 {BUILTIN_drem, gen_DREM, },
272 /* codegen *********************************************************************
274 Generates machine code.
276 *******************************************************************************/
278 bool intrp_codegen(jitdata *jd)
283 s4 i, len, s1, s2, d;
289 methodinfo *lm; /* local methodinfo for ICMD_INVOKE* */
290 unresolved_method *um;
291 builtintable_entry *bte;
294 /* get required compiler data */
300 /* prevent compiler warnings */
307 /* create method header */
309 (void) dseg_addaddress(cd, m); /* MethodPointer */
310 (void) dseg_adds4(cd, m->maxlocals * SIZEOF_VOID_P); /* FrameSize */
312 #if defined(USE_THREADS)
313 if (checksync && (m->flags & ACC_SYNCHRONIZED))
314 (void) dseg_adds4(cd, 1); /* IsSync */
317 (void) dseg_adds4(cd, 0); /* IsSync */
319 (void) dseg_adds4(cd, 0); /* IsLeaf */
320 (void) dseg_adds4(cd, 0); /* IntSave */
321 (void) dseg_adds4(cd, 0); /* FltSave */
323 dseg_addlinenumbertablesize(cd);
325 (void) dseg_adds4(cd, cd->exceptiontablelength); /* ExTableSize */
327 /* create exception table */
329 for (ex = cd->exceptiontable; ex != NULL; ex = ex->down) {
330 dseg_addtarget(cd, ex->start);
331 dseg_addtarget(cd, ex->end);
332 dseg_addtarget(cd, ex->handler);
333 (void) dseg_addaddress(cd, ex->catchtype.cls);
337 /* initialize mcode variables */
339 cd->mcodeptr = cd->mcodebase;
340 cd->mcodeend = (s4 *) (cd->mcodebase + cd->mcodesize);
345 #if defined(USE_THREADS)
346 if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
347 if (m->flags & ACC_STATIC)
348 gen_ACONST(cd, (java_objectheader *) m->class);
352 gen_MONITORENTER(cd);
357 gen_TRACECALL(cd, m);
361 /* walk through all basic blocks */
363 for (bptr = m->basicblocks; bptr != NULL; bptr = bptr->next) {
365 bptr->mpc = (s4) (cd->mcodeptr - cd->mcodebase);
367 if (bptr->flags >= BBREACHED) {
369 /* walk through all instructions */
376 for (iptr = bptr->iinstr; len > 0; src = iptr->dst, len--, iptr++) {
377 if (iptr->line != currentline) {
378 dseg_addlinenumber(cd, iptr->line, cd->mcodeptr);
379 currentline = iptr->line;
382 MCODECHECK(64); /* an instruction usually needs < 64 words */
386 case ICMD_INLINE_START:
387 case ICMD_INLINE_END:
390 case ICMD_NOP: /* ... ==> ... */
393 case ICMD_CHECKNULL: /* ..., objectref ==> ..., objectref */
398 /* constant operations ************************************************/
400 case ICMD_ICONST: /* ... ==> ..., constant */
401 /* op1 = 0, val.i = constant */
403 gen_ICONST(cd, iptr->val.i);
406 case ICMD_LCONST: /* ... ==> ..., constant */
407 /* op1 = 0, val.l = constant */
409 gen_LCONST(cd, iptr->val.l);
412 case ICMD_FCONST: /* ... ==> ..., constant */
413 /* op1 = 0, val.f = constant */
417 vm_f2Cell(iptr->val.f, fi);
422 case ICMD_DCONST: /* ... ==> ..., constant */
423 /* op1 = 0, val.d = constant */
425 gen_LCONST(cd, *(s8 *)&(iptr->val.d));
428 case ICMD_ACONST: /* ... ==> ..., constant */
429 /* op1 = 0, val.a = constant */
431 if ((iptr->target != NULL) && (iptr->val.a == NULL))
432 gen_PATCHER_ACONST(cd, NULL, iptr->target);
434 gen_ACONST(cd, iptr->val.a);
438 /* load/store operations **********************************************/
440 case ICMD_ILOAD: /* ... ==> ..., content of local variable */
441 /* op1 = local variable */
443 gen_ILOAD(cd, index2offset(iptr->op1));
446 case ICMD_LLOAD: /* ... ==> ..., content of local variable */
447 /* op1 = local variable */
449 gen_LLOAD(cd, index2offset(iptr->op1));
452 case ICMD_ALOAD: /* ... ==> ..., content of local variable */
453 /* op1 = local variable */
455 gen_ALOAD(cd, index2offset(iptr->op1));
458 case ICMD_FLOAD: /* ... ==> ..., content of local variable */
459 /* op1 = local variable */
461 gen_ILOAD(cd, index2offset(iptr->op1));
464 case ICMD_DLOAD: /* ... ==> ..., content of local variable */
465 /* op1 = local variable */
467 gen_LLOAD(cd, index2offset(iptr->op1));
471 case ICMD_ISTORE: /* ..., value ==> ... */
472 /* op1 = local variable */
474 gen_ISTORE(cd, index2offset(iptr->op1));
477 case ICMD_LSTORE: /* ..., value ==> ... */
478 /* op1 = local variable */
480 gen_LSTORE(cd, index2offset(iptr->op1));
483 case ICMD_ASTORE: /* ..., value ==> ... */
484 /* op1 = local variable */
486 gen_ASTORE(cd, index2offset(iptr->op1));
490 case ICMD_FSTORE: /* ..., value ==> ... */
491 /* op1 = local variable */
493 gen_ISTORE(cd, index2offset(iptr->op1));
496 case ICMD_DSTORE: /* ..., value ==> ... */
497 /* op1 = local variable */
499 gen_LSTORE(cd, index2offset(iptr->op1));
503 /* pop/dup/swap operations ********************************************/
505 /* attention: double and longs are only one entry in CACAO ICMDs */
507 /* stack.c changes stack manipulation operations to treat
508 longs/doubles as occupying a single slot. Here we are
509 undoing that (and only those things that stack.c did). */
511 case ICMD_POP: /* ..., value ==> ... */
513 if (IS_2_WORD_TYPE(src->type))
519 case ICMD_POP2: /* ..., value, value ==> ... */
524 case ICMD_DUP: /* ..., a ==> ..., a, a */
526 if (IS_2_WORD_TYPE(src->type))
532 case ICMD_DUP_X1: /* ..., a, b ==> ..., b, a, b */
534 if (IS_2_WORD_TYPE(src->type)) {
535 if (IS_2_WORD_TYPE(src->prev->type)) {
541 if (IS_2_WORD_TYPE(src->prev->type)) {
549 case ICMD_DUP_X2: /* ..., a, b, c ==> ..., c, a, b, c */
551 if (IS_2_WORD_TYPE(src->type)) {
557 case ICMD_DUP2: /* ..., a, b ==> ..., a, b, a, b */
562 case ICMD_DUP2_X1: /* ..., a, b, c ==> ..., b, c, a, b, c */
564 if (IS_2_WORD_TYPE(src->prev->prev->type))
570 case ICMD_DUP2_X2: /* ..., a, b, c, d ==> ..., c, d, a, b, c, d */
575 case ICMD_SWAP: /* ..., a, b ==> ..., b, a */
581 /* integer operations *************************************************/
583 case ICMD_INEG: /* ..., value ==> ..., - value */
588 case ICMD_LNEG: /* ..., value ==> ..., - value */
593 case ICMD_I2L: /* ..., value ==> ..., value */
598 case ICMD_L2I: /* ..., value ==> ..., value */
603 case ICMD_INT2BYTE: /* ..., value ==> ..., value */
608 case ICMD_INT2CHAR: /* ..., value ==> ..., value */
613 case ICMD_INT2SHORT: /* ..., value ==> ..., value */
619 case ICMD_IADD: /* ..., val1, val2 ==> ..., val1 + val2 */
624 case ICMD_IADDCONST: /* ..., value ==> ..., value + constant */
625 /* val.i = constant */
627 gen_ICONST(cd, iptr->val.i);
631 case ICMD_LADD: /* ..., val1, val2 ==> ..., val1 + val2 */
636 case ICMD_LADDCONST: /* ..., value ==> ..., value + constant */
637 /* val.l = constant */
639 gen_LCONST(cd, iptr->val.l);
643 case ICMD_ISUB: /* ..., val1, val2 ==> ..., val1 - val2 */
648 case ICMD_ISUBCONST: /* ..., value ==> ..., value + constant */
649 /* val.i = constant */
651 gen_ICONST(cd, iptr->val.i);
655 case ICMD_LSUB: /* ..., val1, val2 ==> ..., val1 - val2 */
660 case ICMD_LSUBCONST: /* ..., value ==> ..., value - constant */
661 /* val.l = constant */
663 gen_LCONST(cd, iptr->val.l);
667 case ICMD_IMUL: /* ..., val1, val2 ==> ..., val1 * val2 */
672 case ICMD_IMULCONST: /* ..., val1, val2 ==> ..., val1 * val2 */
674 gen_ICONST(cd, iptr->val.i);
678 case ICMD_LMUL: /* ..., val1, val2 ==> ..., val1 * val2 */
683 case ICMD_LMULCONST: /* ..., val1, val2 ==> ..., val1 * val2 */
685 gen_LCONST(cd, iptr->val.l);
689 case ICMD_IDIV: /* ..., val1, val2 ==> ..., val1 / val2 */
694 case ICMD_IREM: /* ..., val1, val2 ==> ..., val1 % val2 */
699 case ICMD_LDIV: /* ..., val1, val2 ==> ..., val1 / val2 */
704 case ICMD_LREM: /* ..., val1, val2 ==> ..., val1 % val2 */
709 case ICMD_IDIVPOW2: /* ..., value ==> ..., value << constant */
710 /* val.i = constant */
712 gen_IDIVPOW2(cd, iptr->val.i);
715 case ICMD_IREMPOW2: /* ..., value ==> ..., value % constant */
716 /* val.i = constant */
718 gen_IREMPOW2(cd, iptr->val.i);
721 case ICMD_LDIVPOW2: /* ..., value ==> ..., value << constant */
722 /* val.i = constant */
724 gen_LDIVPOW2(cd, iptr->val.i);
727 case ICMD_LREMPOW2: /* ..., value ==> ..., value % constant */
728 /* val.l = constant */
730 gen_LREMPOW2(cd, iptr->val.i);
733 case ICMD_ISHL: /* ..., val1, val2 ==> ..., val1 << val2 */
738 case ICMD_ISHLCONST: /* ..., value ==> ..., value << constant */
739 /* val.i = constant */
741 gen_ICONST(cd, iptr->val.i);
745 case ICMD_ISHR: /* ..., val1, val2 ==> ..., val1 >> val2 */
750 case ICMD_ISHRCONST: /* ..., value ==> ..., value >> constant */
751 /* val.i = constant */
753 gen_ICONST(cd, iptr->val.i);
757 case ICMD_IUSHR: /* ..., val1, val2 ==> ..., val1 >>> val2 */
762 case ICMD_IUSHRCONST: /* ..., value ==> ..., value >>> constant */
763 /* val.i = constant */
765 gen_ICONST(cd, iptr->val.i);
769 case ICMD_LSHL: /* ..., val1, val2 ==> ..., val1 << val2 */
774 case ICMD_LSHLCONST: /* ..., value ==> ..., value << constant */
775 /* val.i = constant */
777 gen_ICONST(cd, iptr->val.i);
781 case ICMD_LSHR: /* ..., val1, val2 ==> ..., val1 >> val2 */
786 case ICMD_LSHRCONST: /* ..., value ==> ..., value >> constant */
787 /* val.i = constant */
789 gen_ICONST(cd, iptr->val.i);
793 case ICMD_LUSHR: /* ..., val1, val2 ==> ..., val1 >>> val2 */
798 case ICMD_LUSHRCONST: /* ..., value ==> ..., value >>> constant */
799 /* val.i = constant */
801 gen_ICONST(cd, iptr->val.i);
805 case ICMD_IAND: /* ..., val1, val2 ==> ..., val1 & val2 */
810 case ICMD_IANDCONST: /* ..., value ==> ..., value & constant */
811 /* val.i = constant */
813 gen_ICONST(cd, iptr->val.i);
817 case ICMD_LAND: /* ..., val1, val2 ==> ..., val1 & val2 */
822 case ICMD_LANDCONST: /* ..., value ==> ..., value & constant */
823 /* val.l = constant */
825 gen_LCONST(cd, iptr->val.l);
829 case ICMD_IOR: /* ..., val1, val2 ==> ..., val1 | val2 */
834 case ICMD_IORCONST: /* ..., value ==> ..., value | constant */
835 /* val.i = constant */
837 gen_ICONST(cd, iptr->val.i);
841 case ICMD_LOR: /* ..., val1, val2 ==> ..., val1 | val2 */
846 case ICMD_LORCONST: /* ..., value ==> ..., value | constant */
847 /* val.l = constant */
849 gen_LCONST(cd, iptr->val.l);
853 case ICMD_IXOR: /* ..., val1, val2 ==> ..., val1 ^ val2 */
858 case ICMD_IXORCONST: /* ..., value ==> ..., value ^ constant */
859 /* val.i = constant */
861 gen_ICONST(cd, iptr->val.i);
865 case ICMD_LXOR: /* ..., val1, val2 ==> ..., val1 ^ val2 */
870 case ICMD_LXORCONST: /* ..., value ==> ..., value ^ constant */
871 /* val.l = constant */
873 gen_LCONST(cd, iptr->val.l);
878 case ICMD_LCMP: /* ..., val1, val2 ==> ..., val1 cmp val2 */
884 case ICMD_IINC: /* ..., value ==> ..., value + constant */
885 /* op1 = variable, val.i = constant */
887 gen_IINC(cd, index2offset(iptr->op1), iptr->val.i);
891 /* floating operations ************************************************/
893 case ICMD_FNEG: /* ..., value ==> ..., - value */
898 case ICMD_DNEG: /* ..., value ==> ..., - value */
903 case ICMD_FADD: /* ..., val1, val2 ==> ..., val1 + val2 */
908 case ICMD_DADD: /* ..., val1, val2 ==> ..., val1 + val2 */
913 case ICMD_FSUB: /* ..., val1, val2 ==> ..., val1 - val2 */
918 case ICMD_DSUB: /* ..., val1, val2 ==> ..., val1 - val2 */
923 case ICMD_FMUL: /* ..., val1, val2 ==> ..., val1 * val2 */
928 case ICMD_DMUL: /* ..., val1, val2 ==> ..., val1 *** val2 */
933 case ICMD_FDIV: /* ..., val1, val2 ==> ..., val1 / val2 */
938 case ICMD_DDIV: /* ..., val1, val2 ==> ..., val1 / val2 */
943 case ICMD_FREM: /* ..., val1, val2 ==> ..., val1 % val2 */
948 case ICMD_DREM: /* ..., val1, val2 ==> ..., val1 % val2 */
953 case ICMD_I2F: /* ..., value ==> ..., (float) value */
958 case ICMD_L2F: /* ..., value ==> ..., (float) value */
963 case ICMD_I2D: /* ..., value ==> ..., (double) value */
968 case ICMD_L2D: /* ..., value ==> ..., (double) value */
973 case ICMD_F2I: /* ..., value ==> ..., (int) value */
978 case ICMD_D2I: /* ..., value ==> ..., (int) value */
983 case ICMD_F2L: /* ..., value ==> ..., (long) value */
988 case ICMD_D2L: /* ..., value ==> ..., (long) value */
993 case ICMD_F2D: /* ..., value ==> ..., (double) value */
998 case ICMD_D2F: /* ..., value ==> ..., (float) value */
1003 case ICMD_FCMPL: /* ..., val1, val2 ==> ..., val1 fcmpl val2 */
1008 case ICMD_DCMPL: /* ..., val1, val2 ==> ..., val1 fcmpl val2 */
1013 case ICMD_FCMPG: /* ..., val1, val2 ==> ..., val1 fcmpg val2 */
1018 case ICMD_DCMPG: /* ..., val1, val2 ==> ..., val1 fcmpg val2 */
1024 /* memory operations **************************************************/
1026 case ICMD_ARRAYLENGTH: /* ..., arrayref ==> ..., length */
1028 gen_ARRAYLENGTH(cd);
1031 case ICMD_BALOAD: /* ..., arrayref, index ==> ..., value */
1036 case ICMD_CALOAD: /* ..., arrayref, index ==> ..., value */
1041 case ICMD_SALOAD: /* ..., arrayref, index ==> ..., value */
1046 case ICMD_IALOAD: /* ..., arrayref, index ==> ..., value */
1051 case ICMD_FALOAD: /* ..., arrayref, index ==> ..., value */
1056 case ICMD_LALOAD: /* ..., arrayref, index ==> ..., value */
1057 case ICMD_DALOAD: /* ..., arrayref, index ==> ..., value */
1062 case ICMD_AALOAD: /* ..., arrayref, index ==> ..., value */
1068 case ICMD_BASTORE: /* ..., arrayref, index, value ==> ... */
1073 case ICMD_CASTORE: /* ..., arrayref, index, value ==> ... */
1074 case ICMD_SASTORE: /* ..., arrayref, index, value ==> ... */
1079 case ICMD_IASTORE: /* ..., arrayref, index, value ==> ... */
1084 case ICMD_FASTORE: /* ..., arrayref, index, value ==> ... */
1089 case ICMD_LASTORE: /* ..., arrayref, index, value ==> ... */
1090 case ICMD_DASTORE: /* ..., arrayref, index, value ==> ... */
1095 case ICMD_AASTORE: /* ..., arrayref, index, value ==> ... */
1101 case ICMD_GETSTATIC: /* ... ==> ..., value */
1102 /* op1 = type, val.a = field address */
1105 fieldinfo *fi = iptr->val.a;
1106 unresolved_field *uf = iptr->target;
1108 switch (iptr->op1) {
1110 if ((fi == NULL) || !CLASS_IS_OR_ALMOST_INITIALIZED(fi->class)) {
1111 gen_PATCHER_GETSTATIC_INT(cd, 0, uf);
1113 gen_GETSTATIC_INT(cd, (u1 *)&(fi->value.i), uf);
1117 if ((fi == NULL) || !CLASS_IS_OR_ALMOST_INITIALIZED(fi->class)) {
1118 gen_PATCHER_GETSTATIC_FLOAT(cd, 0, uf);
1120 gen_GETSTATIC_FLOAT(cd, (u1 *)&(fi->value.i), uf);
1125 if ((fi == NULL) || !CLASS_IS_OR_ALMOST_INITIALIZED(fi->class)) {
1126 gen_PATCHER_GETSTATIC_LONG(cd, 0, uf);
1128 gen_GETSTATIC_LONG(cd, (u1 *)&(fi->value.l), uf);
1132 if ((fi == NULL) || !CLASS_IS_OR_ALMOST_INITIALIZED(fi->class)) {
1133 gen_PATCHER_GETSTATIC_CELL(cd, 0, uf);
1135 gen_GETSTATIC_CELL(cd, (u1 *)&(fi->value.a), uf);
1142 case ICMD_PUTSTATIC: /* ..., value ==> ... */
1143 /* op1 = type, val.a = field address */
1146 fieldinfo *fi = iptr->val.a;
1147 unresolved_field *uf = iptr->target;
1149 switch (iptr->op1) {
1151 if ((fi == NULL) || !CLASS_IS_OR_ALMOST_INITIALIZED(fi->class)) {
1152 gen_PATCHER_PUTSTATIC_INT(cd, 0, uf);
1154 gen_PUTSTATIC_INT(cd, (u1 *)&(fi->value.i), uf);
1158 if ((fi == NULL) || !CLASS_IS_OR_ALMOST_INITIALIZED(fi->class)) {
1159 gen_PATCHER_PUTSTATIC_FLOAT(cd, 0, uf);
1161 gen_PUTSTATIC_FLOAT(cd, (u1 *)&(fi->value.i), uf);
1166 if ((fi == NULL) || !CLASS_IS_OR_ALMOST_INITIALIZED(fi->class)) {
1167 gen_PATCHER_PUTSTATIC_LONG(cd, 0, uf);
1169 gen_PUTSTATIC_LONG(cd, (u1 *)&(fi->value.l), uf);
1173 if ((fi == NULL) || !CLASS_IS_OR_ALMOST_INITIALIZED(fi->class)) {
1174 gen_PATCHER_PUTSTATIC_CELL(cd, 0, uf);
1176 gen_PUTSTATIC_CELL(cd, (u1 *)&(fi->value.a), uf);
1184 case ICMD_GETFIELD: /* ... ==> ..., value */
1185 /* op1 = type, val.a = field address */
1188 fieldinfo *fi = iptr->val.a;
1189 unresolved_field *uf = iptr->target;
1191 switch (iptr->op1) {
1194 gen_PATCHER_GETFIELD_INT(cd, 0, uf);
1196 gen_GETFIELD_INT(cd, fi->offset, uf);
1201 gen_PATCHER_GETFIELD_FLOAT(cd, 0, uf);
1203 gen_GETFIELD_FLOAT(cd, fi->offset, uf);
1209 gen_PATCHER_GETFIELD_LONG(cd, 0, uf);
1211 gen_GETFIELD_LONG(cd, fi->offset, uf);
1216 gen_PATCHER_GETFIELD_CELL(cd, 0, uf);
1218 gen_GETFIELD_CELL(cd, fi->offset, uf);
1225 case ICMD_PUTFIELD: /* ..., objectref, value ==> ... */
1226 /* op1 = type, val.a = field address */
1229 fieldinfo *fi = iptr->val.a;
1230 unresolved_field *uf = iptr->target;
1232 switch (iptr->op1) {
1235 gen_PATCHER_PUTFIELD_INT(cd, 0, uf);
1237 gen_PUTFIELD_INT(cd, fi->offset, uf);
1242 gen_PATCHER_PUTFIELD_FLOAT(cd, 0, uf);
1244 gen_PUTFIELD_FLOAT(cd, fi->offset, uf);
1250 gen_PATCHER_PUTFIELD_LONG(cd, 0, uf);
1252 gen_PUTFIELD_LONG(cd, fi->offset, uf);
1257 gen_PATCHER_PUTFIELD_CELL(cd, 0, uf);
1259 gen_PUTFIELD_CELL(cd, fi->offset, uf);
1267 /* branch operations **************************************************/
1269 case ICMD_ATHROW: /* ..., objectref ==> ... (, objectref) */
1274 case ICMD_GOTO: /* ... ==> ... */
1275 /* op1 = target JavaVM pc */
1279 case ICMD_JSR: /* ... ==> ... */
1280 /* op1 = target JavaVM pc */
1284 case ICMD_RET: /* ... ==> ... */
1285 /* op1 = local variable */
1287 gen_RET(cd, index2offset(iptr->op1));
1290 case ICMD_IFNULL: /* ..., value ==> ... */
1291 /* op1 = target JavaVM pc */
1296 case ICMD_IFNONNULL: /* ..., value ==> ... */
1297 /* op1 = target JavaVM pc */
1299 gen_branch(IFNONNULL);
1302 case ICMD_IFEQ: /* ..., value ==> ... */
1303 /* op1 = target JavaVM pc, val.i = constant */
1305 if (iptr->val.i == 0) {
1308 gen_ICONST(cd, iptr->val.i);
1309 gen_branch(IF_ICMPEQ);
1313 case ICMD_IFLT: /* ..., value ==> ... */
1314 /* op1 = target JavaVM pc, val.i = constant */
1316 if (iptr->val.i == 0) {
1319 gen_ICONST(cd, iptr->val.i);
1320 gen_branch(IF_ICMPLT);
1324 case ICMD_IFLE: /* ..., value ==> ... */
1325 /* op1 = target JavaVM pc, val.i = constant */
1327 if (iptr->val.i == 0) {
1330 gen_ICONST(cd, iptr->val.i);
1331 gen_branch(IF_ICMPLE);
1335 case ICMD_IFNE: /* ..., value ==> ... */
1336 /* op1 = target JavaVM pc, val.i = constant */
1338 if (iptr->val.i == 0) {
1341 gen_ICONST(cd, iptr->val.i);
1342 gen_branch(IF_ICMPNE);
1346 case ICMD_IFGT: /* ..., value ==> ... */
1347 /* op1 = target JavaVM pc, val.i = constant */
1349 if (iptr->val.i == 0) {
1352 gen_ICONST(cd, iptr->val.i);
1353 gen_branch(IF_ICMPGT);
1357 case ICMD_IFGE: /* ..., value ==> ... */
1358 /* op1 = target JavaVM pc, val.i = constant */
1360 if (iptr->val.i == 0) {
1363 gen_ICONST(cd, iptr->val.i);
1364 gen_branch(IF_ICMPGE);
1368 case ICMD_IF_LEQ: /* ..., value ==> ... */
1369 /* op1 = target JavaVM pc, val.l = constant */
1371 gen_LCONST(cd, iptr->val.l);
1372 gen_branch(IF_LCMPEQ);
1375 case ICMD_IF_LLT: /* ..., value ==> ... */
1376 /* op1 = target JavaVM pc, val.l = constant */
1378 gen_LCONST(cd, iptr->val.l);
1379 gen_branch(IF_LCMPLT);
1382 case ICMD_IF_LLE: /* ..., value ==> ... */
1383 /* op1 = target JavaVM pc, val.l = constant */
1385 gen_LCONST(cd, iptr->val.l);
1386 gen_branch(IF_LCMPLE);
1389 case ICMD_IF_LNE: /* ..., value ==> ... */
1390 /* op1 = target JavaVM pc, val.l = constant */
1392 gen_LCONST(cd, iptr->val.l);
1393 gen_branch(IF_LCMPNE);
1396 case ICMD_IF_LGT: /* ..., value ==> ... */
1397 /* op1 = target JavaVM pc, val.l = constant */
1399 gen_LCONST(cd, iptr->val.l);
1400 gen_branch(IF_LCMPGT);
1403 case ICMD_IF_LGE: /* ..., value ==> ... */
1404 /* op1 = target JavaVM pc, val.l = constant */
1406 gen_LCONST(cd, iptr->val.l);
1407 gen_branch(IF_LCMPGE);
1410 case ICMD_IF_ICMPEQ: /* ..., value, value ==> ... */
1411 /* op1 = target JavaVM pc */
1413 gen_branch(IF_ICMPEQ);
1416 case ICMD_IF_LCMPEQ: /* ..., value, value ==> ... */
1417 /* op1 = target JavaVM pc */
1419 gen_branch(IF_LCMPEQ);
1422 case ICMD_IF_ACMPEQ: /* ..., value, value ==> ... */
1423 /* op1 = target JavaVM pc */
1425 gen_branch(IF_ACMPEQ);
1428 case ICMD_IF_ICMPNE: /* ..., value, value ==> ... */
1429 /* op1 = target JavaVM pc */
1431 gen_branch(IF_ICMPNE);
1434 case ICMD_IF_LCMPNE: /* ..., value, value ==> ... */
1435 /* op1 = target JavaVM pc */
1437 gen_branch(IF_LCMPNE);
1440 case ICMD_IF_ACMPNE: /* ..., value, value ==> ... */
1441 /* op1 = target JavaVM pc */
1443 gen_branch(IF_ACMPNE);
1446 case ICMD_IF_ICMPLT: /* ..., value, value ==> ... */
1447 /* op1 = target JavaVM pc */
1449 gen_branch(IF_ICMPLT);
1452 case ICMD_IF_LCMPLT: /* ..., value, value ==> ... */
1453 /* op1 = target JavaVM pc */
1455 gen_branch(IF_LCMPLT);
1458 case ICMD_IF_ICMPGT: /* ..., value, value ==> ... */
1459 /* op1 = target JavaVM pc */
1461 gen_branch(IF_ICMPGT);
1464 case ICMD_IF_LCMPGT: /* ..., value, value ==> ... */
1465 /* op1 = target JavaVM pc */
1467 gen_branch(IF_LCMPGT);
1470 case ICMD_IF_ICMPLE: /* ..., value, value ==> ... */
1471 /* op1 = target JavaVM pc */
1473 gen_branch(IF_ICMPLE);
1476 case ICMD_IF_LCMPLE: /* ..., value, value ==> ... */
1477 /* op1 = target JavaVM pc */
1479 gen_branch(IF_LCMPLE);
1482 case ICMD_IF_ICMPGE: /* ..., value, value ==> ... */
1483 /* op1 = target JavaVM pc */
1485 gen_branch(IF_ICMPGE);
1488 case ICMD_IF_LCMPGE: /* ..., value, value ==> ... */
1489 /* op1 = target JavaVM pc */
1491 gen_branch(IF_LCMPGE);
1495 case ICMD_ARETURN: /* ..., retvalue ==> ... */
1496 case ICMD_IRETURN: /* ..., retvalue ==> ... */
1497 case ICMD_FRETURN: /* ..., retvalue ==> ... */
1499 #if defined(USE_THREADS)
1500 if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
1501 if (m->flags & ACC_STATIC) {
1502 gen_ACONST(cd, (java_objectheader *) m->class);
1506 gen_MONITOREXIT(cd);
1509 if (opt_verbosecall)
1510 gen_TRACERETURN(cd, m);
1512 gen_IRETURN(cd, index2offset(cd->maxlocals));
1515 case ICMD_LRETURN: /* ..., retvalue ==> ... */
1516 case ICMD_DRETURN: /* ..., retvalue ==> ... */
1518 #if defined(USE_THREADS)
1519 if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
1520 if (m->flags & ACC_STATIC) {
1521 gen_ACONST(cd, (java_objectheader *) m->class);
1525 gen_MONITOREXIT(cd);
1528 if (opt_verbosecall)
1529 gen_TRACELRETURN(cd, m);
1531 gen_LRETURN(cd, index2offset(cd->maxlocals));
1534 case ICMD_RETURN: /* ... ==> ... */
1536 #if defined(USE_THREADS)
1537 if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
1538 if (m->flags & ACC_STATIC) {
1539 gen_ACONST(cd, (java_objectheader *) m->class);
1543 gen_MONITOREXIT(cd);
1546 if (opt_verbosecall)
1547 gen_TRACERETURN(cd, m);
1549 gen_RETURN(cd, index2offset(cd->maxlocals));
1553 case ICMD_TABLESWITCH: /* ..., index ==> ... */
1558 tptr = (void **) iptr->target;
1560 s4ptr = iptr->val.a;
1561 l = s4ptr[1]; /* low */
1562 i = s4ptr[2]; /* high */
1566 /* arguments: low, range, datasegment address, table
1567 offset in datasegment, default target */
1569 gen_TABLESWITCH(cd, l, i, NULL, 0, NULL);
1571 /* actually -3 cells offset */
1573 dseg_adddata(cd, (cd->mcodeptr - 2 * sizeof(Inst)));
1574 codegen_addreference(cd, (basicblock *) tptr[0], cd->mcodeptr);
1576 /* build jump table top down and use address of lowest entry */
1581 dseg_addtarget(cd, (basicblock *) tptr[0]);
1586 /* length of dataseg after last dseg_addtarget is used by load */
1587 ((ptrint *)(cd->mcodeptr))[-2] = (ptrint) -(cd->dseglen);
1591 case ICMD_LOOKUPSWITCH: /* ..., key ==> ... */
1596 tptr = (void **) iptr->target;
1598 s4ptr = iptr->val.a;
1600 /* s4ptr[0] is equal to tptr[0] */
1601 i = s4ptr[1]; /* count */
1603 /* arguments: count, datasegment address, table offset in */
1604 /* datasegment, default target */
1605 gen_LOOKUPSWITCH(cd, i, NULL, 0, NULL);
1606 dseg_adddata(cd, (cd->mcodeptr - 2*sizeof(Inst))); /* actually -3 cells offset*/
1607 codegen_addreference(cd, (basicblock *) tptr[0], cd->mcodeptr);
1609 /* build jump table top down and use address of lowest entry */
1615 dseg_addtarget(cd, (basicblock *) tptr[0]);
1616 dseg_addaddress(cd, s4ptr[0]);
1622 /* length of dataseg after last dseg_addtarget is used by load */
1623 ((ptrint *)(cd->mcodeptr))[-2] = (ptrint) -(cd->dseglen);
1627 case ICMD_BUILTIN: /* ..., arg1, arg2, arg3 ==> ... */
1628 /* op1 = arg count val.a = builtintable entry */
1631 for (i = 0; i < sizeof(builtin_gen_table)/sizeof(builtin_gen); i++) {
1632 builtin_gen *bg = &builtin_gen_table[i];
1633 if (bg->builtin == bte->fp) {
1635 goto gen_builtin_end;
1642 case ICMD_INVOKESTATIC: /* ..., [arg1, [arg2 ...]] ==> ... */
1643 /* op1 = arg count, val.a = method pointer */
1649 md = um->methodref->parseddesc.md;
1650 gen_PATCHER_INVOKESTATIC(cd, 0, md->paramslots, um);
1653 md = lm->parseddesc;
1654 gen_INVOKESTATIC(cd, (Inst **)lm->stubroutine, md->paramslots, um);
1658 case ICMD_INVOKESPECIAL:/* ..., objectref, [arg1, [arg2 ...]] ==> ... */
1664 md = um->methodref->parseddesc.md;
1665 gen_PATCHER_INVOKESPECIAL(cd, 0, md->paramslots, um);
1668 md = lm->parseddesc;
1669 gen_INVOKESPECIAL(cd, (Inst **)lm->stubroutine, md->paramslots, um);
1673 case ICMD_INVOKEVIRTUAL:/* op1 = arg count, val.a = method pointer */
1679 md = um->methodref->parseddesc.md;
1680 gen_PATCHER_INVOKEVIRTUAL(cd, 0, md->paramslots, um);
1683 md = lm->parseddesc;
1685 s1 = OFFSET(vftbl_t, table[0]) +
1686 sizeof(methodptr) * lm->vftblindex;
1688 gen_INVOKEVIRTUAL(cd, s1, md->paramslots, um);
1692 case ICMD_INVOKEINTERFACE:/* op1 = arg count, val.a = method pointer */
1698 md = um->methodref->parseddesc.md;
1699 gen_PATCHER_INVOKEINTERFACE(cd, 0, 0, md->paramslots, um);
1702 md = lm->parseddesc;
1704 s1 = OFFSET(vftbl_t, interfacetable[0]) -
1705 sizeof(methodptr*) * lm->class->index;
1707 s2 = sizeof(methodptr) * (lm - lm->class->methods);
1709 gen_INVOKEINTERFACE(cd, s1, s2, md->paramslots, um);
1714 case ICMD_CHECKCAST: /* ..., objectref ==> ..., objectref */
1715 /* op1: 0 == array, 1 == class */
1716 /* val.a: (classinfo *) superclass */
1718 if (iptr->op1 == 1) {
1719 if (iptr->val.a == NULL)
1720 gen_PATCHER_CHECKCAST(cd, NULL, iptr->target);
1722 gen_CHECKCAST(cd, iptr->val.a, NULL);
1724 if (iptr->val.a == NULL)
1725 gen_PATCHER_ARRAYCHECKCAST(cd, NULL, iptr->target);
1727 gen_ARRAYCHECKCAST(cd, iptr->val.a, NULL);
1731 case ICMD_INSTANCEOF: /* ..., objectref ==> ..., intresult */
1732 /* op1: 0 == array, 1 == class */
1733 /* val.a: (classinfo *) superclass */
1735 if (iptr->val.a == NULL)
1736 gen_PATCHER_INSTANCEOF(cd, NULL, iptr->target);
1738 gen_INSTANCEOF(cd, iptr->val.a, iptr->target);
1741 case ICMD_MULTIANEWARRAY:/* ..., cnt1, [cnt2, ...] ==> ..., arrayref */
1742 /* op1 = dimension, val.a = class */
1744 if (iptr->val.a == NULL) {
1745 gen_PATCHER_MULTIANEWARRAY(cd, NULL, iptr->op1, iptr->target);
1747 gen_MULTIANEWARRAY(cd, iptr->val.a, iptr->op1, NULL);
1752 *exceptionptr = new_internalerror("Unknown ICMD %d", iptr->opc);
1756 } /* for instruction */
1760 } /* if (bptr->flags >= BBREACHED) */
1761 } /* for basic block */
1763 dseg_createlinenumbertable(cd);
1765 codegen_finish(m, cd, (s4) (cd->mcodeptr - cd->mcodebase));
1768 vm_block_insert(cd->code->mcode + cd->code->mcodelength);
1771 /* branch resolving (walk through all basic blocks) */
1773 for (bptr = m->basicblocks; bptr != NULL; bptr = bptr->next) {
1776 for (brefs = bptr->branchrefs; brefs != NULL; brefs = brefs->next) {
1777 gen_resolveanybranch(((u1*) cd->code->entrypoint) + brefs->branchpos,
1778 ((u1 *)cd->code->entrypoint) + bptr->mpc);
1782 /* everything's ok */
1788 /* createcompilerstub **********************************************************
1790 Creates a stub routine which calls the compiler.
1796 +-------------+ <-- stub
1806 codeptr points either to TRANSLATE or to the translated threaded code
1808 all methods are called indirectly through methodptr
1810 *******************************************************************************/
1812 #define COMPILERSTUB_DATASIZE 1
1813 #define COMPILERSTUB_CODESIZE 4
1815 #define COMPILERSTUB_SIZE COMPILERSTUB_DATASIZE + COMPILERSTUB_CODESIZE
1818 u1 *intrp_createcompilerstub(methodinfo *m)
1825 s = CNEW(Inst, COMPILERSTUB_SIZE);
1827 /* set data pointer and code pointer */
1830 s = s + COMPILERSTUB_DATASIZE;
1832 /* Store the methodinfo* in the same place as in the methodheader
1833 for compiled methods. */
1837 /* mark start of dump memory area */
1839 dumpsize = dump_size();
1841 cd = DNEW(codegendata);
1842 cd->mcodeptr = (u1 *) s;
1843 cd->lastinstwithoutdispatch = ~0;
1844 cd->superstarts = NULL;
1846 genarg_ainst(cd, s + 2);
1848 if (m->flags & ACC_NATIVE) {
1849 genarg_i(cd, m->parseddesc->paramslots);
1851 genarg_i(cd, m->maxlocals);
1855 gen_TRANSLATE(cd, m);
1859 vm_block_insert(cd->mcodeptr);
1862 #if defined(ENABLE_STATISTICS)
1864 count_cstub_len += COMPILERSTUB_SIZE;
1867 /* release dump area */
1869 dump_release(dumpsize);
1875 #if defined(WITH_FFI)
1876 static ffi_type *cacaotype2ffitype(s4 cacaotype)
1878 switch (cacaotype) {
1880 #if SIZEOF_VOID_P == 8
1881 return &ffi_type_sint64;
1883 return &ffi_type_sint32;
1886 return &ffi_type_sint64;
1888 return &ffi_type_float;
1890 return &ffi_type_double;
1892 return &ffi_type_pointer;
1894 return &ffi_type_void;
1914 #if defined(WITH_FFI)
1915 static ffi_cif *createnativecif(methodinfo *m, methoddesc *nmd)
1917 methoddesc *md = m->parseddesc;
1918 ffi_cif *pcif = NEW(ffi_cif);
1919 ffi_type **types = MNEW(ffi_type *, nmd->paramcount);
1920 ffi_type **ptypes = types;
1923 /* pass env pointer */
1925 *ptypes++ = &ffi_type_pointer;
1927 /* for static methods, pass class pointer */
1929 if (m->flags & ACC_STATIC)
1930 *ptypes++ = &ffi_type_pointer;
1932 /* pass parameter to native function */
1934 for (i = 0; i < md->paramcount; i++)
1935 *ptypes++ = cacaotype2ffitype(md->paramtypes[i].type);
1937 assert(ptypes - types == nmd->paramcount);
1939 if (ffi_prep_cif(pcif, FFI_DEFAULT_ABI, nmd->paramcount, cacaotype2ffitype(md->returntype.type), types) != FFI_OK)
1947 u1 *intrp_createnativestub(functionptr f, methodinfo *m, codegendata *cd,
1948 registerdata *rd, methoddesc *nmd)
1950 #if defined(WITH_FFI)
1956 /* create method header */
1958 (void) dseg_addaddress(cd, m); /* MethodPointer */
1959 (void) dseg_adds4(cd, nmd->paramslots * SIZEOF_VOID_P); /* FrameSize */
1960 (void) dseg_adds4(cd, 0); /* IsSync */
1961 (void) dseg_adds4(cd, 0); /* IsLeaf */
1962 (void) dseg_adds4(cd, 0); /* IntSave */
1963 (void) dseg_adds4(cd, 0); /* FltSave */
1964 dseg_addlinenumbertablesize(cd);
1965 (void) dseg_adds4(cd, 0); /* ExTableSize */
1967 #if defined(WITH_FFI)
1968 /* prepare ffi cif structure */
1970 cif = createnativecif(m, nmd);
1977 if (opt_verbosecall)
1978 gen_TRACECALL(cd, m);
1981 gen_PATCHER_NATIVECALL(cd, m, f, (u1 *)cif);
1983 if (opt_verbosecall)
1984 gen_TRACENATIVECALL(cd, m, f, (u1 *)cif);
1986 gen_NATIVECALL(cd, m, f, (u1 *)cif);
1991 codegen_finish(m, cd, (s4) (cd->mcodeptr - cd->mcodebase));
1994 vm_block_insert(cd->code->mcode + cd->code->mcodelength);
1997 return cd->code->entrypoint;
2001 /* call jni function */
2002 Cell *nativecall(functionptr f, methodinfo *m, Cell *sp, Inst *ra, Cell *fp, u1 *addrcif)
2004 #if defined(WITH_FFCALL)
2018 switch (md->returntype.type) {
2020 endsp = sp - 1 + md->paramslots;
2021 av_start_long(alist, f, endsp);
2024 endsp = sp - 2 + md->paramslots;
2025 av_start_longlong(alist, f, endsp);
2028 endsp = sp - 1 + md->paramslots;
2029 av_start_float(alist, f, endsp);
2032 endsp = sp - 2 + md->paramslots;
2033 av_start_double(alist, f, endsp);
2036 endsp = sp - 1 + md->paramslots;
2037 av_start_ptr(alist, f, void *, endsp);
2040 endsp = sp + md->paramslots;
2041 av_start_void(alist, f);
2047 av_ptr(alist, _Jv_JNIEnv *, _Jv_env);
2049 if (m->flags & ACC_STATIC)
2050 av_ptr(alist, classinfo *, m->class);
2052 for (i = 0, p = sp + md->paramslots; i < md->paramcount; i++) {
2053 switch (md->paramtypes[i].type) {
2060 av_longlong(alist, *(s8 *)p);
2064 av_float(alist, *((float *) p));
2068 av_double(alist, *(double *) p);
2072 av_ptr(alist, void *, *(void **) p);
2081 /* create stackframe info structure */
2083 codegen_start_native_call(((u1 *) &s) + sizeof(s), m->code->entrypoint,
2084 (u1 *) fp, (u1 *) ra);
2088 codegen_finish_native_call(((u1 *) &s) + sizeof(s));
2093 #elif defined(WITH_FFI)
2094 methoddesc *md = m->parseddesc;
2096 void *values[md->paramcount + 2];
2097 void **pvalues = values;
2108 pcif = (ffi_cif *) addrcif;
2110 /* pass env pointer */
2112 penv = (_Jv_JNIEnv *) _Jv_env;
2115 /* for static methods, pass class pointer */
2117 if (m->flags & ACC_STATIC)
2118 *pvalues++ = &m->class;
2120 /* pass parameter to native function */
2122 for (i = 0, p = sp + md->paramslots; i < md->paramcount; i++) {
2123 if (IS_2_WORD_TYPE(md->paramtypes[i].type))
2131 /* calculate position of return value */
2133 if (md->returntype.type == TYPE_VOID)
2134 endsp = sp + md->paramslots;
2136 endsp = sp - (IS_2_WORD_TYPE(md->returntype.type) ? 2 : 1) + md->paramslots;
2140 /* create stackframe info structure */
2142 codegen_start_native_call(((u1 *) &s) + sizeof(s), m->code->entrypoint,
2143 (u1 *) fp, (u1 *) ra);
2145 ffi_call(pcif, FFI_FN(f), endsp, values);
2147 codegen_finish_native_call(((u1 *) &s) + sizeof(s));
2156 u1 *createcalljavafunction(methodinfo *m)
2165 /* mark dump memory */
2167 dumpsize = dump_size();
2169 tmpm = DNEW(methodinfo);
2170 cd = DNEW(codegendata);
2171 rd = DNEW(registerdata);
2173 /* setup code generation stuff */
2175 MSET(tmpm, 0, u1, sizeof(methodinfo));
2177 codegen_setup(tmpm, cd);
2181 /* create method header */
2183 (void) dseg_addaddress(cd, NULL); /* MethodPointer */
2184 (void) dseg_adds4(cd, md->paramslots * SIZEOF_VOID_P); /* FrameSize */
2185 (void) dseg_adds4(cd, 0); /* IsSync */
2186 (void) dseg_adds4(cd, 0); /* IsLeaf */
2187 (void) dseg_adds4(cd, 0); /* IntSave */
2188 (void) dseg_adds4(cd, 0); /* FltSave */
2189 dseg_addlinenumbertablesize(cd);
2190 (void) dseg_adds4(cd, 0); /* ExTableSize */
2196 gen_INVOKESTATIC(cd, (Inst **)m->stubroutine, md->paramslots, 0);
2201 codegen_finish(tmpm, cd, (s4) (cd->mcodeptr - cd->mcodebase));
2204 vm_block_insert(cd->code->mcode + cd->code->mcodelength);
2206 entrypoint = cd->code->entrypoint;
2208 /* release memory */
2210 dump_release(dumpsize);
2217 * These are local overrides for various environment variables in Emacs.
2218 * Please do not remove this and leave it at the end of the file, where
2219 * Emacs will automagically detect them.
2220 * ---------------------------------------------------------------------
2223 * indent-tabs-mode: t
2227 * vim:noexpandtab:sw=4:ts=4: