src/vm/jit/show.c

   1 /* src/vm/jit/show.c - showing the intermediate representation
   2
   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
   7
   8    This file is part of CACAO.
   9
  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.
  14
  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.
  19
  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
  23    02110-1301, USA.
  24
  25    Contact: cacao@cacaojvm.org
  26
  27    Authors: Andreas Krall
  28
  29    Changes: Edwin Steiner
  30             Christian Thalinger
  31             Christian Ullrich
  32
  33    $Id$
  34
  35 */
  36
  37
  38 #include "config.h"
  39 #include "vm/types.h"
  40
  41 #include <assert.h>
  42
  43 #include "mm/memory.h"
  44
  45 #if defined(ENABLE_THREADS)
  46 # include "threads/native/lock.h"
  47 #else
  48 # include "threads/none/lock.h"
  49 #endif
  50
  51 #include "vm/global.h"
  52 #include "vm/options.h"
  53 #include "vm/builtin.h"
  54 #include "vm/stringlocal.h"
  55 #include "vm/jit/jit.h"
  56 #include "vm/jit/show.h"
  57 #include "vm/jit/disass.h"
  58 #include "vm/jit/stack.h"
  59
  60
  61 /* global variables ***********************************************************/
  62
  63 #if defined(ENABLE_THREADS) && !defined(NDEBUG)
  64 static java_objectheader *show_global_lock;
  65 #endif
  66
  67
  68 /* forward declarations *******************************************************/
  69
  70 #if !defined(NDEBUG)
  71 static void new_show_variable_array(jitdata *jd, s4 *vars, int n, int stage);
  72 static void show_allocation(s4 type, s4 flags, s4 regoff);
  73 static void show_variable(jitdata *jd, s4 index, int stage);
  74 #endif
  75
  76
  77 /* show_init *******************************************************************
  78
  79    Initialized the show subsystem (called by jit_init).
  80
  81 *******************************************************************************/
  82
  83 #if !defined(NDEBUG)
  84 bool show_init(void)
  85 {
  86 #if defined(ENABLE_THREADS)
  87         /* initialize the show lock */
  88
  89         show_global_lock = NEW(java_objectheader);
  90
  91         lock_init_object_lock(show_global_lock);
  92 #endif
  93
  94         /* everything's ok */
  95
  96         return true;
  97 }
  98 #endif
  99
 100
 101 #if !defined(NDEBUG)
 102 char *show_jit_type_names[] = {
 103         "INT",
 104         "LNG",
 105         "FLT",
 106         "DBL",
 107         "ADR",
 108         "??5",
 109         "??6",
 110         "??7",
 111         "RET"
 112 };
 113 char show_jit_type_letters[] = {
 114         'I',
 115         'L',
 116         'F',
 117         'D',
 118         'A',
 119         '5',
 120         '6',
 121         '7',
 122         'R'
 123 };
 124 #endif
 125
 126
 127 /* show_method *****************************************************************
 128
 129    Print the intermediate representation of a method.
 130
 131    NOTE: Currently this function may only be called after register allocation!
 132
 133 *******************************************************************************/
 134
 135 #if !defined(NDEBUG)
 136 void new_show_method(jitdata *jd, int stage)
 137 {
 138         methodinfo     *m;
 139         codeinfo       *code;
 140         codegendata    *cd;
 141         registerdata   *rd;
 142         basicblock     *bptr;
 143         basicblock     *lastbptr;
 144         exceptiontable *ex;
 145         s4              i, j;
 146         u1             *u1ptr;
 147
 148         /* get required compiler data */
 149
 150         m    = jd->m;
 151         code = jd->code;
 152         cd   = jd->cd;
 153         rd   = jd->rd;
 154
 155         /* We need to enter a lock here, since the binutils disassembler
 156            is not reentrant-able and we could not read functions printed
 157            at the same time. */
 158
 159         LOCK_MONITOR_ENTER(show_global_lock);
 160
 161         /* get the last basic block */
 162
 163         for (lastbptr = jd->new_basicblocks; lastbptr->next != NULL; lastbptr = lastbptr->next);
 164
 165         printf("\n");
 166
 167         method_println(m);
 168
 169         printf("\n(NEW INSTRUCTION FORMAT)\n");
 170         if (jd->isleafmethod)
 171                 printf("LEAFMETHOD\n");
 172         printf("\nBasic blocks: %d\n", jd->new_basicblockcount);
 173         if (stage >= SHOW_CODE) {
 174                 printf("Code length:  %d\n", (lastbptr->mpc - jd->new_basicblocks[0].mpc));
 175                 printf("Data length:  %d\n", cd->dseglen);
 176                 printf("Stub length:  %d\n", (s4) (code->mcodelength -
 177                                                                                    ((ptrint) cd->dseglen + lastbptr->mpc)));
 178         }
 179         printf("Max locals:   %d\n", cd->maxlocals);
 180         printf("Max stack:    %d\n", cd->maxstack);
 181         printf("Line number table length: %d\n", m->linenumbercount);
 182
 183         if (stage >= SHOW_PARSE) {
 184                 printf("Exceptions (Number: %d):\n", cd->exceptiontablelength);
 185                 for (ex = cd->exceptiontable; ex != NULL; ex = ex->down) {
 186                         printf("    L%03d ... ", ex->start->nr );
 187                         printf("L%03d  = ", ex->end->nr);
 188                         printf("L%03d", ex->handler->nr);
 189                         printf("  (catchtype: ");
 190                         if (ex->catchtype.any)
 191                                 if (IS_CLASSREF(ex->catchtype))
 192                                         class_classref_print(ex->catchtype.ref);
 193                                 else
 194                                         class_print(ex->catchtype.cls);
 195                         else
 196                                 printf("ANY");
 197                         printf(")\n");
 198                 }
 199         }
 200
 201         if (stage >= SHOW_PARSE && rd && jd->localcount > 0) {
 202                 printf("Local Table:\n");
 203                 for (i = 0; i < jd->localcount; i++) {
 204                         printf("   %3d: ", i);
 205
 206 #if defined(ENABLE_JIT) && defined(ENABLE_DISASSEMBLER)
 207 # if defined(ENABLE_INTRP)
 208                         if (!opt_intrp) {
 209 # endif
 210                                 printf("   (%s) ", show_jit_type_names[jd->var[i].type]);
 211                                 show_allocation(jd->var[i].type, jd->var[i].flags, jd->var[i].vv.regoff);
 212                                 printf("\n");
 213 # if defined(ENABLE_INTRP)
 214                         }
 215 # endif
 216 #endif /* defined(ENABLE_JIT) && defined(ENABLE_DISASSEMBLER) */
 217                 }
 218                 printf("\n");
 219         }
 220
 221         if (cd->maxlocals > 0) {
 222                 printf("Local Map:\n");
 223                 printf("    index ");
 224                 for (j = 0; j < cd->maxlocals; j++) {
 225                         printf(" [%2d]", j);
 226                 }
 227                 printf("\n");
 228                 for (i = 0; i < 5; i++) {
 229                         printf("    %5s ",show_jit_type_names[i]);
 230                         for (j = 0; j < cd->maxlocals; j++) {
 231                                 if (jd->local_map[j*5+i] == UNUSED)
 232                                         printf("  -- ");
 233                                 else
 234                                         printf("%4i ",jd->local_map[j*5+i]);
 235                         }
 236                         printf("\n");
 237                 }
 238                 printf("\n");
 239         }
 240
 241         if (cd->maxstack > 0 && jd->interface_map && stage >= SHOW_STACK) {
 242                 bool exist = false;
 243                 interface_info *mapptr = jd->interface_map;
 244
 245                 /* look if there exist any IN/OUTVARS */
 246                 for (i = 0; (i < (5 * cd->maxstack)) && !exist; i++, mapptr++)
 247                         exist = (mapptr->flags != UNUSED);
 248
 249                 if (exist) {
 250                         printf("Interface Table: (In/Outvars)\n");
 251                         printf("    depth ");
 252                         for (j = 0; j < cd->maxstack; j++) {
 253                                 printf("      [%2d]", j);
 254                         }
 255                         printf("\n");
 256
 257                         for (i = 0; i < 5; i++) {
 258                                 printf("    %5s      ",show_jit_type_names[i]);
 259                                 for (j = 0; j < cd->maxstack; j++) {
 260                                         s4 flags  = jd->interface_map[j*5+i].flags;
 261                                         s4 regoff = jd->interface_map[j*5+i].regoff;
 262                                         if (flags == UNUSED)
 263                                                 printf("  --      ");
 264                                         else {
 265                                                 int ch;
 266
 267                                                 if (stage >= SHOW_REGS) {
 268                                                         if (flags & SAVEDVAR) {
 269                                                                 if (flags & INMEMORY)
 270                                                                         ch = 'M';
 271                                                                 else
 272                                                                         ch = 'R';
 273                                                         }
 274                                                         else {
 275                                                                 if (flags & INMEMORY)
 276                                                                         ch = 'm';
 277                                                                 else
 278                                                                         ch = 'r';
 279                                                         }
 280                                                         printf("%c%03d(", ch, regoff);
 281                                                         show_allocation(i, flags, regoff);
 282                                                         printf(") ");
 283                                                 }
 284                                                 else {
 285                                                         if (flags & SAVEDVAR)
 286                                                                 printf("  I       ");
 287                                                         else
 288                                                                 printf("  i       ");
 289                                                 }
 290                                         }
 291                                 }
 292                                 printf("\n");
 293                         }
 294                         printf("\n");
 295                 }
 296         }
 297
 298         if (rd->memuse && stage >= SHOW_REGS) {
 299                 int max;
 300
 301                 max = rd->memuse;
 302                 printf("Stack slots: (memuse=%d", rd->memuse);
 303                 if (stage >= SHOW_CODE) {
 304                         printf(", stackframesize=%d", cd->stackframesize);
 305                         max = cd->stackframesize;
 306                 }
 307                 printf(")\n");
 308                 for (i=0; i<max; ++i) {
 309 #if defined(HAS_4BYTE_STACKSLOT)
 310                         printf("    M%02d = 0x%02x(sp): ", i, i * 4);
 311 #else
 312                         printf("    M%02d = 0x%02x(sp): ", i, i * 8);
 313 #endif
 314                         for (j=0; j<jd->varcount; ++j) {
 315                                 varinfo *v = jd->var + j;
 316                                 if ((v->flags & INMEMORY) && (v->vv.regoff == i)) {
 317                                         show_variable(jd, j, stage);
 318                                         putchar(' ');
 319                                 }
 320                         }
 321
 322                         printf("\n");
 323
 324                 }
 325                 printf("\n");
 326         }
 327
 328         if (code->rplpoints) {
 329                 printf("Replacement Points:\n");
 330                 replace_show_replacement_points(code);
 331                 printf("\n");
 332         }
 333
 334 #if defined(ENABLE_DISASSEMBLER)
 335         /* show code before first basic block */
 336
 337         if ((stage >= SHOW_CODE) && JITDATA_HAS_FLAG_SHOWDISASSEMBLE(jd)) {
 338                 u1ptr = (u1 *) ((ptrint) code->mcode + cd->dseglen);
 339
 340                 for (; u1ptr < (u1 *) ((ptrint) code->mcode + cd->dseglen + jd->new_basicblocks[0].mpc);)
 341                         DISASSINSTR(u1ptr);
 342
 343                 printf("\n");
 344         }
 345 #endif
 346
 347         /* show code of all basic blocks */
 348
 349         for (bptr = jd->new_basicblocks; bptr != NULL; bptr = bptr->next)
 350                 new_show_basicblock(jd, bptr, stage);
 351
 352 #if defined(ENABLE_DISASSEMBLER)
 353         /* show stubs code */
 354
 355         if (stage >= SHOW_CODE && opt_showdisassemble && opt_showexceptionstubs) {
 356                 printf("\nStubs code:\n");
 357                 printf("Length: %d\n\n", (s4) (code->mcodelength -
 358                                                                            ((ptrint) cd->dseglen + lastbptr->mpc)));
 359
 360                 u1ptr = (u1 *) ((ptrint) code->mcode + cd->dseglen + lastbptr->mpc);
 361
 362                 for (; (ptrint) u1ptr < ((ptrint) code->mcode + code->mcodelength);)
 363                         DISASSINSTR(u1ptr);
 364
 365                 printf("\n");
 366         }
 367 #endif
 368
 369         LOCK_MONITOR_EXIT(show_global_lock);
 370
 371         /* finally flush the output */
 372
 373         fflush(stdout);
 374 }
 375 #endif /* !defined(NDEBUG) */
 376
 377
 378 /* show_basicblock *************************************************************
 379
 380    Print the intermediate representation of a basic block.
 381
 382    NOTE: Currently this function may only be called after register allocation!
 383
 384 *******************************************************************************/
 385
 386 #if !defined(NDEBUG)
 387 void new_show_basicblock(jitdata *jd, basicblock *bptr, int stage)
 388 {
 389         methodinfo  *m;
 390         codeinfo    *code;
 391         codegendata *cd;
 392         s4           i;
 393         bool         deadcode;
 394         instruction *iptr;
 395         u1          *u1ptr;
 396
 397         /* get required compiler data */
 398
 399         m    = jd->m;
 400         code = jd->code;
 401         cd   = jd->cd;
 402
 403         if (bptr->flags != BBDELETED) {
 404                 deadcode = bptr->flags <= BBREACHED;
 405
 406                 printf("======== %sL%03d ======== %s(flags: %d, bitflags: %01x, next: %d, type: ",
 407                                 (bptr->bitflags & BBFLAG_REPLACEMENT) ? "<REPLACE> " : "",
 408                            bptr->nr,
 409                            (deadcode && stage >= SHOW_STACK) ? "DEADCODE! " : "",
 410                            bptr->flags, bptr->bitflags,
 411                            (bptr->next) ? (bptr->next->nr) : -1);
 412
 413                 switch (bptr->type) {
 414                 case BBTYPE_STD:
 415                         printf("STD");
 416                         break;
 417                 case BBTYPE_EXH:
 418                         printf("EXH");
 419                         break;
 420                 case BBTYPE_SBR:
 421                         printf("SBR");
 422                         break;
 423                 }
 424
 425                 printf(", icount: %d, preds: %d [ ",
 426                            bptr->icount, bptr->predecessorcount);
 427
 428                 for (i = 0; i < bptr->predecessorcount; i++)
 429                         printf("%d ", bptr->predecessors[i]->nr);
 430
 431                 printf("]):");
 432
 433                 if (bptr->original)
 434                         printf(" (clone of L%03d)", bptr->original->nr);
 435                 else {
 436                         basicblock *b = bptr->copied_to;
 437                         if (b) {
 438                                 printf(" (copied to ");
 439                                 for (; b; b = b->copied_to)
 440                                         printf("L%03d ", b->nr);
 441                                 printf(")");
 442                         }
 443                 }
 444
 445                 printf("\n");
 446
 447                 if (stage >= SHOW_STACK) {
 448                         printf("IN:  ");
 449                         new_show_variable_array(jd, bptr->invars, bptr->indepth, stage);
 450                         printf("\n");
 451                 }
 452
 453                 iptr = bptr->iinstr;
 454
 455                 for (i = 0; i < bptr->icount; i++, iptr++) {
 456                         printf("%4d:  ", iptr->line);
 457
 458                         new_show_icmd(jd, iptr, deadcode, stage);
 459                         printf("\n");
 460                 }
 461
 462                 if (stage >= SHOW_STACK) {
 463                         printf("OUT: ");
 464                         new_show_variable_array(jd, bptr->outvars, bptr->outdepth, stage);
 465                         printf("\n");
 466                 }
 467
 468 #if defined(ENABLE_DISASSEMBLER)
 469                 if ((stage >= SHOW_CODE) && JITDATA_HAS_FLAG_SHOWDISASSEMBLE(jd) &&
 470                         (!deadcode))
 471                 {
 472                         printf("\n");
 473                         u1ptr = (u1 *) (code->mcode + cd->dseglen + bptr->mpc);
 474
 475                         if (bptr->next != NULL) {
 476                                 for (; u1ptr < (u1 *) (code->mcode + cd->dseglen + bptr->next->mpc);)
 477                                         DISASSINSTR(u1ptr);
 478
 479                         }
 480                         else {
 481                                 for (; u1ptr < (u1 *) (code->mcode + code->mcodelength);)
 482                                         DISASSINSTR(u1ptr);
 483                         }
 484                         printf("\n");
 485                 }
 486 #endif
 487         }
 488 }
 489 #endif /* !defined(NDEBUG) */
 490
 491
 492 /* show_icmd *******************************************************************
 493
 494    Print the intermediate representation of an instruction.
 495
 496    NOTE: Currently this function may only be called after register allocation!
 497
 498 *******************************************************************************/
 499
 500 #if !defined(NDEBUG)
 501
 502 #define SHOW_TARGET(target)                                          \
 503         if (stage >= SHOW_STACK) {                                   \
 504             printf("--> L%03d ", (target).block->nr);                \
 505         }                                                            \
 506         else if (stage >= SHOW_PARSE) {                              \
 507             printf("--> insindex %d (L%03d) ", (target).insindex,    \
 508                 jd->new_basicblocks[jd->new_basicblockindex[         \
 509                 (target).insindex]].nr);                             \
 510         }                                                            \
 511         else {                                                       \
 512             printf("--> insindex %d ", (target).insindex);           \
 513         }
 514
 515 #define SHOW_INT_CONST(val)                                          \
 516         if (stage >= SHOW_PARSE) {                                   \
 517             printf("%ld ", (long) (val));                            \
 518         }                                                            \
 519         else {                                                       \
 520             printf("iconst ");                                       \
 521         }
 522
 523 #define SHOW_LNG_CONST(val)                                          \
 524         if (stage >= SHOW_PARSE) {                                   \
 525             printf("%lld ", (long long)(val));                       \
 526         }                                                            \
 527         else {                                                       \
 528             printf("lconst ");                                       \
 529         }
 530
 531 #define SHOW_FLT_CONST(val)                                          \
 532         if (stage >= SHOW_PARSE) {                                   \
 533             printf("%g ", (val));                                    \
 534         }                                                            \
 535         else {                                                       \
 536             printf("fconst ");                                       \
 537         }
 538
 539 #define SHOW_DBL_CONST(val)                                          \
 540         if (stage >= SHOW_PARSE) {                                   \
 541             printf("%g ", (val));                                    \
 542         }                                                            \
 543         else {                                                       \
 544             printf("dconst ");                                       \
 545         }
 546
 547 #define SHOW_INDEX(index)                                            \
 548         if (stage >= SHOW_PARSE) {                                   \
 549             printf("%d ", index);                                    \
 550         }                                                            \
 551         else {                                                       \
 552             printf("index");                                         \
 553         }
 554
 555 #define SHOW_STRING(val)                                             \
 556         if (stage >= SHOW_PARSE) {                                   \
 557             putchar('"');                                            \
 558             utf_display_printable_ascii(                             \
 559                 javastring_toutf((java_lang_String *)(val), false)); \
 560             printf("\" ");                                           \
 561         }                                                            \
 562         else {                                                       \
 563             printf("string ");                                       \
 564         }
 565
 566 #define SHOW_CLASSREF_OR_CLASSINFO(c)                                \
 567         if (stage >= SHOW_PARSE) {                                   \
 568             if (IS_CLASSREF(c))                                      \
 569                 class_classref_print(c.ref);                         \
 570             else                                                     \
 571                 class_print(c.cls);                                  \
 572             putchar(' ');                                            \
 573         }                                                            \
 574         else {                                                       \
 575             printf("class ");                                        \
 576         }
 577
 578 #define SHOW_FIELD(fmiref)                                           \
 579         if (stage >= SHOW_PARSE) {                                   \
 580             field_fieldref_print(fmiref);                            \
 581             putchar(' ');                                            \
 582         }                                                            \
 583         else {                                                       \
 584             printf("field ");                                        \
 585         }
 586
 587 #define SHOW_VARIABLE(v)                                             \
 588     show_variable(jd, (v), stage)
 589
 590 #define SHOW_S1(iptr)                                                \
 591         if (stage >= SHOW_STACK) {                                   \
 592             SHOW_VARIABLE(iptr->s1.varindex);                        \
 593         }
 594
 595 #define SHOW_S2(iptr)                                                \
 596         if (stage >= SHOW_STACK) {                                   \
 597             SHOW_VARIABLE(iptr->sx.s23.s2.varindex);                 \
 598         }
 599
 600 #define SHOW_S3(iptr)                                                \
 601     if (stage >= SHOW_STACK) {                                       \
 602         SHOW_VARIABLE(iptr->sx.s23.s3.varindex);                     \
 603     }
 604
 605 #define SHOW_DST(iptr)                                               \
 606     if (stage >= SHOW_STACK) {                                       \
 607         printf("=> ");                                               \
 608         SHOW_VARIABLE(iptr->dst.varindex);                           \
 609     }
 610
 611 #define SHOW_S1_LOCAL(iptr)                                          \
 612     if (stage >= SHOW_STACK) {                                       \
 613         printf("L%d ", iptr->s1.varindex);                           \
 614     }                                                                \
 615     else {                                                           \
 616         printf("JavaL%d ", iptr->s1.varindex);                       \
 617     }
 618
 619 #define SHOW_DST_LOCAL(iptr)                                         \
 620     if (stage >= SHOW_STACK) {                                       \
 621         printf("=> L%d ", iptr->dst.varindex);                       \
 622     }                                                                \
 623     else {                                                           \
 624         printf("=> JavaL%d ", iptr->dst.varindex);                   \
 625     }
 626
 627 static void show_allocation(s4 type, s4 flags, s4 regoff)
 628 {
 629         if (flags & INMEMORY) {
 630                 printf("M%02d", regoff);
 631                 return;
 632         }
 633
 634 #ifdef HAS_ADDRESS_REGISTER_FILE
 635         if (type == TYPE_ADR) {
 636                 printf("R%02d", regoff);
 637                 return;
 638         }
 639 #endif
 640
 641         if (IS_FLT_DBL_TYPE(type)) {
 642                 printf("F%02d", regoff);
 643                 return;
 644         }
 645
 646 #if defined(SUPPORT_COMBINE_INTEGER_REGISTERS)
 647         if (IS_2_WORD_TYPE(type)) {
 648 # if defined(ENABLE_JIT) && defined(ENABLE_DISASSEMBLER)
 649 #  if defined(ENABLE_INTRP)
 650                 if (opt_intrp)
 651                         printf("%3d/%3d", GET_LOW_REG(regoff),
 652                                         GET_HIGH_REG(regoff));
 653                 else
 654 #  endif
 655                         printf("%3s/%3s", regs[GET_LOW_REG(regoff)],
 656                                         regs[GET_HIGH_REG(regoff)]);
 657 # else
 658                 printf("%3d/%3d", GET_LOW_REG(regoff),
 659                                 GET_HIGH_REG(regoff));
 660 # endif
 661                 return;
 662         }
 663 #endif /* defined(SUPPORT_COMBINE_INTEGER_REGISTERS) */
 664
 665 #if defined(ENABLE_JIT) && defined(ENABLE_DISASSEMBLER)
 666 # if defined(ENABLE_INTRP)
 667         if (opt_intrp)
 668                 printf("%3d", regoff);
 669         else
 670 # endif
 671                 printf("%3s", regs[regoff]);
 672 #else
 673         printf("%3d", regoff);
 674 #endif
 675 }
 676
 677 static void show_variable(jitdata *jd, s4 index, int stage)
 678 {
 679         char type;
 680         char kind;
 681         varinfo *v;
 682
 683         v = &(jd->var[index]);
 684
 685         switch (v->type) {
 686                 case TYPE_INT: type = 'i'; break;
 687                 case TYPE_LNG: type = 'l'; break;
 688                 case TYPE_FLT: type = 'f'; break;
 689                 case TYPE_DBL: type = 'd'; break;
 690                 case TYPE_ADR: type = 'a'; break;
 691                 case TYPE_RET: type = 'r'; break;
 692                 default:       type = '?';
 693         }
 694
 695         if (index < jd->localcount) {
 696                 kind = 'L';
 697                 if (v->flags & (PREALLOC | OUTVAR))
 698                                 printf("<INVALID FLAGS!>");
 699         }
 700         else {
 701                 if (v->flags & PREALLOC) {
 702                         kind = 'A';
 703                         if (v->flags & OUTVAR)
 704                                 printf("<INVALID FLAGS!>");
 705                 }
 706                 else if (v->flags & OUTVAR)
 707                         kind = 'I';
 708                 else
 709                         kind = 'T';
 710         }
 711
 712         printf("%c%c%d", kind, type, index);
 713
 714         if (v->flags & SAVEDVAR)
 715                 putchar('!');
 716
 717         if (stage >= SHOW_REGS) {
 718                 putchar('(');
 719                 show_allocation(v->type, v->flags, v->vv.regoff);
 720                 putchar(')');
 721         }
 722         putchar(' ');
 723         fflush(stdout);
 724 }
 725
 726 static void new_show_variable_array(jitdata *jd, s4 *vars, int n, int stage)
 727 {
 728         int i;
 729
 730         printf("[");
 731         for (i=0; i<n; ++i) {
 732                 if (i)
 733                         printf(" ");
 734                 show_variable(jd, vars[i], stage);
 735         }
 736         printf("]");
 737 }
 738
 739 void new_show_icmd(jitdata *jd, instruction *iptr, bool deadcode, int stage)
 740 {
 741         u2                 opcode;
 742         branch_target_t   *table;
 743         lookup_target_t   *lookup;
 744         constant_FMIref   *fmiref;
 745         s4          *argp;
 746         s4                 i;
 747
 748         /* get the opcode and the condition */
 749
 750         opcode    =  iptr->opc;
 751
 752         printf("%s ", icmd_names[opcode]);
 753
 754         if (stage < SHOW_PARSE)
 755                 return;
 756
 757         if (deadcode)
 758                 stage = SHOW_PARSE;
 759
 760         /* Print the condition for conditional instructions. */
 761
 762         /* XXX print condition from flags */
 763
 764         if (iptr->flags.bits & INS_FLAG_UNRESOLVED)
 765                 printf("(UNRESOLVED) ");
 766
 767         switch (opcode) {
 768
 769         case ICMD_POP:
 770         case ICMD_CHECKNULL:
 771         case ICMD_CHECKNULL_POP:
 772                 SHOW_S1(iptr);
 773                 break;
 774
 775                 /* unary */
 776         case ICMD_ARRAYLENGTH:
 777         case ICMD_INEG:
 778         case ICMD_LNEG:
 779         case ICMD_FNEG:
 780         case ICMD_DNEG:
 781         case ICMD_I2L:
 782         case ICMD_I2F:
 783         case ICMD_I2D:
 784         case ICMD_L2I:
 785         case ICMD_L2F:
 786         case ICMD_L2D:
 787         case ICMD_F2I:
 788         case ICMD_F2L:
 789         case ICMD_F2D:
 790         case ICMD_D2I:
 791         case ICMD_D2L:
 792         case ICMD_D2F:
 793         case ICMD_INT2BYTE:
 794         case ICMD_INT2CHAR:
 795         case ICMD_INT2SHORT:
 796                 SHOW_S1(iptr);
 797                 SHOW_DST(iptr);
 798                 break;
 799
 800                 /* binary */
 801         case ICMD_IADD:
 802         case ICMD_LADD:
 803         case ICMD_FADD:
 804         case ICMD_DADD:
 805         case ICMD_ISUB:
 806         case ICMD_LSUB:
 807         case ICMD_FSUB:
 808         case ICMD_DSUB:
 809         case ICMD_IMUL:
 810         case ICMD_LMUL:
 811         case ICMD_FMUL:
 812         case ICMD_DMUL:
 813         case ICMD_IDIV:
 814         case ICMD_LDIV:
 815         case ICMD_FDIV:
 816         case ICMD_DDIV:
 817         case ICMD_IREM:
 818         case ICMD_LREM:
 819         case ICMD_FREM:
 820         case ICMD_DREM:
 821         case ICMD_ISHL:
 822         case ICMD_LSHL:
 823         case ICMD_ISHR:
 824         case ICMD_LSHR:
 825         case ICMD_IUSHR:
 826         case ICMD_LUSHR:
 827         case ICMD_IAND:
 828         case ICMD_LAND:
 829         case ICMD_IOR:
 830         case ICMD_LOR:
 831         case ICMD_IXOR:
 832         case ICMD_LXOR:
 833         case ICMD_LCMP:
 834         case ICMD_FCMPL:
 835         case ICMD_FCMPG:
 836         case ICMD_DCMPL:
 837         case ICMD_DCMPG:
 838                 SHOW_S1(iptr);
 839                 SHOW_S2(iptr);
 840                 SHOW_DST(iptr);
 841                 break;
 842
 843                 /* binary/const INT */
 844         case ICMD_IADDCONST:
 845         case ICMD_ISUBCONST:
 846         case ICMD_IMULCONST:
 847         case ICMD_IMULPOW2:
 848         case ICMD_IDIVPOW2:
 849         case ICMD_IREMPOW2:
 850         case ICMD_IANDCONST:
 851         case ICMD_IORCONST:
 852         case ICMD_IXORCONST:
 853         case ICMD_ISHLCONST:
 854         case ICMD_ISHRCONST:
 855         case ICMD_IUSHRCONST:
 856         case ICMD_LSHLCONST:
 857         case ICMD_LSHRCONST:
 858         case ICMD_LUSHRCONST:
 859                 SHOW_S1(iptr);
 860                 SHOW_INT_CONST(iptr->sx.val.i);
 861                 SHOW_DST(iptr);
 862                 break;
 863
 864                 /* ?ASTORECONST (trinary/const INT) */
 865         case ICMD_IASTORECONST:
 866         case ICMD_BASTORECONST:
 867         case ICMD_CASTORECONST:
 868         case ICMD_SASTORECONST:
 869                 SHOW_S1(iptr);
 870                 SHOW_S2(iptr);
 871                 SHOW_INT_CONST(iptr->sx.s23.s3.constval);
 872                 break;
 873
 874                 /* const INT */
 875         case ICMD_ICONST:
 876                 SHOW_INT_CONST(iptr->sx.val.i);
 877                 SHOW_DST(iptr);
 878                 break;
 879
 880                 /* binary/const LNG */
 881         case ICMD_LADDCONST:
 882         case ICMD_LSUBCONST:
 883         case ICMD_LMULCONST:
 884         case ICMD_LMULPOW2:
 885         case ICMD_LDIVPOW2:
 886         case ICMD_LREMPOW2:
 887         case ICMD_LANDCONST:
 888         case ICMD_LORCONST:
 889         case ICMD_LXORCONST:
 890                 SHOW_S1(iptr);
 891                 SHOW_LNG_CONST(iptr->sx.val.l);
 892                 SHOW_DST(iptr);
 893                 break;
 894
 895                 /* trinary/const LNG (<= pointer size) */
 896         case ICMD_LASTORECONST:
 897                 SHOW_S1(iptr);
 898                 SHOW_S2(iptr);
 899                 SHOW_LNG_CONST(iptr->sx.s23.s3.constval);
 900                 break;
 901
 902                 /* const LNG */
 903         case ICMD_LCONST:
 904                 SHOW_LNG_CONST(iptr->sx.val.l);
 905                 SHOW_DST(iptr);
 906                 break;
 907
 908                 /* const FLT */
 909         case ICMD_FCONST:
 910                 SHOW_FLT_CONST(iptr->sx.val.f);
 911                 SHOW_DST(iptr);
 912                 break;
 913
 914                 /* const DBL */
 915         case ICMD_DCONST:
 916                 SHOW_DBL_CONST(iptr->sx.val.d);
 917                 SHOW_DST(iptr);
 918                 break;
 919
 920                 /* const ADR */
 921         case ICMD_ACONST:
 922                 if (iptr->flags.bits & INS_FLAG_CLASS) {
 923                         SHOW_CLASSREF_OR_CLASSINFO(iptr->sx.val.c);
 924                 }
 925                 else if (iptr->sx.val.anyptr == NULL) {
 926                         printf("NULL ");
 927                 }
 928                 else {
 929                         SHOW_STRING(iptr->sx.val.stringconst);
 930                 }
 931                 SHOW_DST(iptr);
 932                 break;
 933
 934         case ICMD_AASTORECONST:
 935                 SHOW_S1(iptr);
 936                 SHOW_S2(iptr);
 937                 printf("%p ", (void*) iptr->sx.s23.s3.constval);
 938                 break;
 939
 940         case ICMD_GETFIELD:        /* 1 -> 1 */
 941         case ICMD_PUTFIELD:        /* 2 -> 0 */
 942         case ICMD_PUTSTATIC:       /* 1 -> 0 */
 943         case ICMD_GETSTATIC:       /* 0 -> 1 */
 944         case ICMD_PUTSTATICCONST:  /* 0 -> 0 */
 945         case ICMD_PUTFIELDCONST:   /* 1 -> 0 */
 946                 if (opcode != ICMD_GETSTATIC && opcode != ICMD_PUTSTATICCONST) {
 947                         SHOW_S1(iptr);
 948                         if (opcode == ICMD_PUTFIELD) {
 949                                 SHOW_S2(iptr);
 950                         }
 951                 }
 952                 INSTRUCTION_GET_FIELDREF(iptr, fmiref);
 953                 SHOW_FIELD(fmiref);
 954
 955                 if (opcode == ICMD_GETSTATIC || opcode == ICMD_GETFIELD) {
 956                         SHOW_DST(iptr);
 957                 }
 958                 break;
 959
 960         case ICMD_IINC:
 961                 SHOW_S1_LOCAL(iptr);
 962                 SHOW_INT_CONST(iptr->sx.val.i);
 963                 SHOW_DST_LOCAL(iptr);
 964                 break;
 965
 966         case ICMD_IASTORE:
 967         case ICMD_SASTORE:
 968         case ICMD_BASTORE:
 969         case ICMD_CASTORE:
 970         case ICMD_LASTORE:
 971         case ICMD_DASTORE:
 972         case ICMD_FASTORE:
 973         case ICMD_AASTORE:
 974                 SHOW_S1(iptr);
 975                 SHOW_S2(iptr);
 976                 SHOW_S3(iptr);
 977                 break;
 978
 979         case ICMD_IALOAD:
 980         case ICMD_SALOAD:
 981         case ICMD_BALOAD:
 982         case ICMD_CALOAD:
 983         case ICMD_LALOAD:
 984         case ICMD_DALOAD:
 985         case ICMD_FALOAD:
 986         case ICMD_AALOAD:
 987                 SHOW_S1(iptr);
 988                 SHOW_S2(iptr);
 989                 SHOW_DST(iptr);
 990                 break;
 991
 992         case ICMD_RET:
 993                 SHOW_S1_LOCAL(iptr);
 994                 if (stage >= SHOW_STACK) {
 995                         printf(" ---> L%03d", iptr->dst.block->nr);
 996                 }
 997                 break;
 998
 999         case ICMD_ILOAD:
1000         case ICMD_LLOAD:
1001         case ICMD_FLOAD:
1002         case ICMD_DLOAD:
1003         case ICMD_ALOAD:
1004                 SHOW_S1_LOCAL(iptr);
1005                 SHOW_DST(iptr);
1006                 break;
1007
1008         case ICMD_ISTORE:
1009         case ICMD_LSTORE:
1010         case ICMD_FSTORE:
1011         case ICMD_DSTORE:
1012         case ICMD_ASTORE:
1013                 SHOW_S1(iptr);
1014                 SHOW_DST_LOCAL(iptr);
1015                 break;
1016
1017         case ICMD_NEW:
1018                 SHOW_DST(iptr);
1019                 break;
1020
1021         case ICMD_NEWARRAY:
1022                 SHOW_DST(iptr);
1023                 break;
1024
1025         case ICMD_ANEWARRAY:
1026                 SHOW_DST(iptr);
1027                 break;
1028
1029         case ICMD_MULTIANEWARRAY:
1030                 if (stage >= SHOW_STACK) {
1031                         argp = iptr->sx.s23.s2.args;
1032                         i = iptr->s1.argcount;
1033                         while (i--) {
1034                                 SHOW_VARIABLE(*(argp++));
1035                         }
1036                 }
1037                 else {
1038                         printf("argcount=%d ", iptr->s1.argcount);
1039                 }
1040                 SHOW_DST(iptr);
1041                 break;
1042
1043         case ICMD_CHECKCAST:
1044                 SHOW_S1(iptr);
1045                 SHOW_DST(iptr);
1046                 break;
1047
1048         case ICMD_INSTANCEOF:
1049                 SHOW_S1(iptr);
1050                 SHOW_DST(iptr);
1051                 break;
1052
1053         case ICMD_INLINE_START:
1054         case ICMD_INLINE_END:
1055                 break;
1056
1057         case ICMD_BUILTIN:
1058                 if (stage >= SHOW_STACK) {
1059                         argp = iptr->sx.s23.s2.args;
1060                         i = iptr->s1.argcount;
1061                         while (i--) {
1062                                 if ((iptr->s1.argcount - 1 - i) == iptr->sx.s23.s3.bte->md->paramcount)
1063                                         printf(" pass-through: ");
1064                                 SHOW_VARIABLE(*(argp++));
1065                         }
1066                 }
1067                 printf("%s ", iptr->sx.s23.s3.bte->cname);
1068                 if (iptr->sx.s23.s3.bte->md->returntype.type != TYPE_VOID) {
1069                         SHOW_DST(iptr);
1070                 }
1071                 break;
1072
1073         case ICMD_INVOKEVIRTUAL:
1074         case ICMD_INVOKESPECIAL:
1075         case ICMD_INVOKESTATIC:
1076         case ICMD_INVOKEINTERFACE:
1077                 if (stage >= SHOW_STACK) {
1078                         methoddesc *md;
1079                         INSTRUCTION_GET_METHODDESC(iptr, md);
1080                         argp = iptr->sx.s23.s2.args;
1081                         i = iptr->s1.argcount;
1082                         while (i--) {
1083                                 if ((iptr->s1.argcount - 1 - i) == md->paramcount)
1084                                         printf(" pass-through: ");
1085                                 SHOW_VARIABLE(*(argp++));
1086                         }
1087                 }
1088                 INSTRUCTION_GET_METHODREF(iptr, fmiref);
1089                 method_methodref_print(fmiref);
1090                 if (fmiref->parseddesc.md->returntype.type != TYPE_VOID) {
1091                         putchar(' ');
1092                         SHOW_DST(iptr);
1093                 }
1094                 break;
1095
1096         case ICMD_IFEQ:
1097         case ICMD_IFNE:
1098         case ICMD_IFLT:
1099         case ICMD_IFGE:
1100         case ICMD_IFGT:
1101         case ICMD_IFLE:
1102                 SHOW_S1(iptr);
1103                 SHOW_TARGET(iptr->dst);
1104                 break;
1105
1106         case ICMD_IF_LEQ:
1107         case ICMD_IF_LNE:
1108         case ICMD_IF_LLT:
1109         case ICMD_IF_LGE:
1110         case ICMD_IF_LGT:
1111         case ICMD_IF_LLE:
1112                 SHOW_S1(iptr);
1113                 SHOW_TARGET(iptr->dst);
1114                 break;
1115
1116         case ICMD_GOTO:
1117         case ICMD_INLINE_GOTO:
1118                 SHOW_TARGET(iptr->dst);
1119                 break;
1120
1121         case ICMD_JSR:
1122                 SHOW_TARGET(iptr->sx.s23.s3.jsrtarget);
1123                 SHOW_DST(iptr);
1124                 break;
1125
1126         case ICMD_IFNULL:
1127         case ICMD_IFNONNULL:
1128                 SHOW_S1(iptr);
1129                 SHOW_TARGET(iptr->dst);
1130                 break;
1131
1132         case ICMD_IF_ICMPEQ:
1133         case ICMD_IF_ICMPNE:
1134         case ICMD_IF_ICMPLT:
1135         case ICMD_IF_ICMPGE:
1136         case ICMD_IF_ICMPGT:
1137         case ICMD_IF_ICMPLE:
1138
1139         case ICMD_IF_LCMPEQ:
1140         case ICMD_IF_LCMPNE:
1141         case ICMD_IF_LCMPLT:
1142         case ICMD_IF_LCMPGE:
1143         case ICMD_IF_LCMPGT:
1144         case ICMD_IF_LCMPLE:
1145
1146         case ICMD_IF_FCMPEQ:
1147         case ICMD_IF_FCMPNE:
1148
1149         case ICMD_IF_FCMPL_LT:
1150         case ICMD_IF_FCMPL_GE:
1151         case ICMD_IF_FCMPL_GT:
1152         case ICMD_IF_FCMPL_LE:
1153
1154         case ICMD_IF_FCMPG_LT:
1155         case ICMD_IF_FCMPG_GE:
1156         case ICMD_IF_FCMPG_GT:
1157         case ICMD_IF_FCMPG_LE:
1158
1159         case ICMD_IF_DCMPEQ:
1160         case ICMD_IF_DCMPNE:
1161
1162         case ICMD_IF_DCMPL_LT:
1163         case ICMD_IF_DCMPL_GE:
1164         case ICMD_IF_DCMPL_GT:
1165         case ICMD_IF_DCMPL_LE:
1166
1167         case ICMD_IF_DCMPG_LT:
1168         case ICMD_IF_DCMPG_GE:
1169         case ICMD_IF_DCMPG_GT:
1170         case ICMD_IF_DCMPG_LE:
1171
1172         case ICMD_IF_ACMPEQ:
1173         case ICMD_IF_ACMPNE:
1174                 SHOW_S1(iptr);
1175                 SHOW_S2(iptr);
1176                 SHOW_TARGET(iptr->dst);
1177                 break;
1178
1179         case ICMD_TABLESWITCH:
1180                 SHOW_S1(iptr);
1181                 table = iptr->dst.table;
1182
1183                 i = iptr->sx.s23.s3.tablehigh
1184                         - iptr->sx.s23.s2.tablelow + 1;
1185
1186                 printf("high=%d low=%d count=%d\n", iptr->sx.s23.s3.tablehigh, iptr->sx.s23.s2.tablelow, i);
1187                 while (--i >= 0) {
1188                         printf("\t\t%d --> ", table - iptr->dst.table);
1189                         if (stage >= SHOW_STACK) {
1190                                 printf("L%03d\n", table->block->nr);
1191                         }
1192                         else {
1193                                 printf("insindex %d (L%03d)\n", table->insindex, BLOCK_OF(table->insindex)->nr);
1194                         }
1195                         table++;
1196                 }
1197
1198                 break;
1199
1200         case ICMD_LOOKUPSWITCH:
1201                 SHOW_S1(iptr);
1202
1203                 printf("count=%d, default=", iptr->sx.s23.s2.lookupcount);
1204                 if (stage >= SHOW_STACK) {
1205                         printf("L%03d\n", iptr->sx.s23.s3.lookupdefault.block->nr);
1206                 }
1207                 else {
1208                         printf("insindex %d (L%03d)\n", iptr->sx.s23.s3.lookupdefault.insindex, BLOCK_OF(iptr->sx.s23.s3.lookupdefault.insindex)->nr);
1209                 }
1210
1211                 lookup = iptr->dst.lookup;
1212                 i = iptr->sx.s23.s2.lookupcount;
1213                 while (--i >= 0) {
1214                         printf("\t\t%d --> ", lookup->value);
1215                         if (stage >= SHOW_STACK) {
1216                                 printf("L%03d\n", lookup->target.block->nr);
1217                         }
1218                         else {
1219                                 printf("insindex %d (L%03d)\n", lookup->target.insindex, BLOCK_OF(lookup->target.insindex)->nr);
1220                         }
1221                         lookup++;
1222                 }
1223                 break;
1224
1225         case ICMD_ARETURN:
1226                 SHOW_S1(iptr);
1227                 break;
1228
1229         case ICMD_ATHROW:
1230                 SHOW_S1(iptr);
1231                 break;
1232
1233         case ICMD_COPY:
1234         case ICMD_MOVE:
1235                 SHOW_S1(iptr);
1236                 SHOW_DST(iptr);
1237                 break;
1238         }
1239         fflush(stdout);
1240 }
1241 #endif /* !defined(NDEBUG) */
1242
1243
1244 /*
1245  * These are local overrides for various environment variables in Emacs.
1246  * Please do not remove this and leave it at the end of the file, where
1247  * Emacs will automagically detect them.
1248  * ---------------------------------------------------------------------
1249  * Local variables:
1250  * mode: c
1251  * indent-tabs-mode: t
1252  * c-basic-offset: 4
1253  * tab-width: 4
1254  * End:
1255  * vim:noexpandtab:sw=4:ts=4:
1256  */