src/vm/jit/show.c

   1 /* src/vm/jit/show.c - showing the intermediate representation
   2
   3    Copyright (C) 1996-2005, 2006, 2007 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    $Id$
  26
  27 */
  28
  29
  30 #include "config.h"
  31
  32 #include <assert.h>
  33
  34 #include "vm/types.h"
  35
  36 #include "mm/memory.h"
  37
  38 #if defined(ENABLE_THREADS)
  39 # include "threads/native/lock.h"
  40 #else
  41 # include "threads/none/lock.h"
  42 #endif
  43
  44 #include "vm/global.h"
  45 #include "vm/builtin.h"
  46 #include "vm/stringlocal.h"
  47
  48 #include "vm/jit/abi.h"
  49 #include "vm/jit/jit.h"
  50 #include "vm/jit/show.h"
  51 #include "vm/jit/disass.h"
  52 #include "vm/jit/stack.h"
  53 #include "vm/jit/parse.h"
  54
  55 #include "vmcore/options.h"
  56
  57
  58 /* global variables ***********************************************************/
  59
  60 #if defined(ENABLE_THREADS) && !defined(NDEBUG)
  61 static java_objectheader *show_global_lock;
  62 #endif
  63
  64
  65 /* prototypes *****************************************************************/
  66
  67 #if !defined(NDEBUG)
  68 static void show_variable_intern(jitdata *jd, s4 index, int stage);
  69 #endif
  70
  71
  72 /* show_init *******************************************************************
  73
  74    Initialized the show subsystem (called by jit_init).
  75
  76 *******************************************************************************/
  77
  78 #if !defined(NDEBUG)
  79 bool show_init(void)
  80 {
  81 #if defined(ENABLE_THREADS)
  82         /* initialize the show lock */
  83
  84         show_global_lock = NEW(java_objectheader);
  85
  86         lock_init_object_lock(show_global_lock);
  87 #endif
  88
  89         /* everything's ok */
  90
  91         return true;
  92 }
  93 #endif
  94
  95
  96 #if !defined(NDEBUG)
  97 char *show_jit_type_names[] = {
  98         "INT",
  99         "LNG",
 100         "FLT",
 101         "DBL",
 102         "ADR",
 103         "??5",
 104         "??6",
 105         "??7",
 106         "RET"
 107 };
 108 char show_jit_type_letters[] = {
 109         'I',
 110         'L',
 111         'F',
 112         'D',
 113         'A',
 114         '5',
 115         '6',
 116         '7',
 117         'R'
 118 };
 119 #endif
 120
 121
 122 /* show_method *****************************************************************
 123
 124    Print the intermediate representation of a method.
 125
 126    NOTE: Currently this function may only be called after register allocation!
 127
 128 *******************************************************************************/
 129
 130 #if !defined(NDEBUG)
 131 void show_method(jitdata *jd, int stage)
 132 {
 133         methodinfo     *m;
 134         codeinfo       *code;
 135         codegendata    *cd;
 136         registerdata   *rd;
 137         basicblock     *bptr;
 138         basicblock     *lastbptr;
 139         exception_entry *ex;
 140         s4              i, j;
 141         int             irstage;
 142 #if defined(ENABLE_DISASSEMBLER)
 143         u1             *pc;
 144 #endif
 145
 146         /* get required compiler data */
 147
 148         m    = jd->m;
 149         code = jd->code;
 150         cd   = jd->cd;
 151         rd   = jd->rd;
 152
 153         /* We need to enter a lock here, since the binutils disassembler
 154            is not reentrant-able and we could not read functions printed
 155            at the same time. */
 156
 157         LOCK_MONITOR_ENTER(show_global_lock);
 158
 159 #if defined(ENABLE_INTRP)
 160         if (opt_intrp)
 161                 irstage = SHOW_PARSE;
 162         else
 163 #endif
 164                 irstage = stage;
 165
 166         /* get the last basic block */
 167
 168         for (lastbptr = jd->basicblocks; lastbptr->next != NULL; lastbptr = lastbptr->next);
 169
 170         printf("\n");
 171
 172         method_println(m);
 173
 174         if (jd->isleafmethod)
 175                 printf("LEAFMETHOD\n");
 176
 177         printf("\nBasic blocks: %d\n", jd->basicblockcount);
 178         if (stage >= SHOW_CODE) {
 179                 printf("Code length:  %d\n", (lastbptr->mpc - jd->basicblocks[0].mpc));
 180                 printf("Data length:  %d\n", cd->dseglen);
 181                 printf("Stub length:  %d\n", (s4) (code->mcodelength -
 182                                                                                    ((ptrint) cd->dseglen + lastbptr->mpc)));
 183         }
 184         printf("Variables:       %d (%d used)\n", jd->varcount, jd->vartop);
 185         if (stage >= SHOW_STACK)
 186                 printf("Max interfaces:  %d\n", jd->maxinterfaces);
 187         printf("Max locals:      %d\n", jd->maxlocals);
 188         printf("Max stack:       %d\n", m->maxstack);
 189         printf("Linenumbers:     %d\n", m->linenumbercount);
 190         printf("Branch to entry: %s\n", (jd->branchtoentry) ? "yes" : "no");
 191         printf("Branch to end:   %s\n", (jd->branchtoend) ? "yes" : "no");
 192         if (stage >= SHOW_STACK) {
 193                 printf("Number of RETURNs: %d", jd->returncount);
 194                 if (jd->returncount == 1)
 195                         printf(" (block L%03d)", jd->returnblock->nr);
 196                 printf("\n");
 197         }
 198
 199         if (stage >= SHOW_PARSE) {
 200                 printf("Exceptions (Number: %d):\n", jd->exceptiontablelength);
 201                 for (ex = jd->exceptiontable; ex != NULL; ex = ex->down) {
 202                         printf("    L%03d ... ", ex->start->nr );
 203                         printf("L%03d  = ", ex->end->nr);
 204                         printf("L%03d", ex->handler->nr);
 205                         printf("  (catchtype: ");
 206                         if (ex->catchtype.any)
 207                                 if (IS_CLASSREF(ex->catchtype))
 208                                         class_classref_print(ex->catchtype.ref);
 209                                 else
 210                                         class_print(ex->catchtype.cls);
 211                         else
 212                                 printf("ANY");
 213                         printf(")\n");
 214                 }
 215         }
 216
 217         if (irstage >= SHOW_PARSE && rd && jd->localcount > 0) {
 218                 printf("Local Table:\n");
 219                 for (i = 0; i < jd->localcount; i++) {
 220                         printf("   %3d: ", i);
 221
 222 #if defined(ENABLE_JIT) && defined(ENABLE_DISASSEMBLER)
 223 # if defined(ENABLE_INTRP)
 224                         if (!opt_intrp) {
 225 # endif
 226                                 printf("   (%s) ", show_jit_type_names[VAR(i)->type]);
 227                                 if (irstage >= SHOW_REGS)
 228                                         show_allocation(VAR(i)->type, VAR(i)->flags, VAR(i)->vv.regoff);
 229                                 printf("\n");
 230 # if defined(ENABLE_INTRP)
 231                         }
 232 # endif
 233 #endif /* defined(ENABLE_JIT) && defined(ENABLE_DISASSEMBLER) */
 234                 }
 235                 printf("\n");
 236         }
 237
 238         if (jd->maxlocals > 0 && jd->local_map != NULL) {
 239                 printf("Local Map:\n");
 240                 printf("    index ");
 241                 for (j = 0; j < jd->maxlocals; j++) {
 242                         printf(" [%2d]", j);
 243                 }
 244                 printf("\n");
 245                 for (i = 0; i < 5; i++) {
 246                         printf("    %5s ",show_jit_type_names[i]);
 247                         for (j = 0; j < jd->maxlocals; j++) {
 248                                 if (jd->local_map[j*5+i] == UNUSED)
 249                                         printf("  -- ");
 250                                 else
 251                                         printf("%4i ",jd->local_map[j*5+i]);
 252                         }
 253                         printf("\n");
 254                 }
 255                 printf("\n");
 256         }
 257
 258         if (jd->maxinterfaces > 0 && jd->interface_map && irstage >= SHOW_STACK) {
 259                 bool exist = false;
 260                 interface_info *mapptr = jd->interface_map;
 261
 262                 /* look if there exist any INOUTS */
 263                 for (i = 0; (i < (5 * jd->maxinterfaces)) && !exist; i++, mapptr++)
 264                         exist = (mapptr->flags != UNUSED);
 265
 266                 if (exist) {
 267                         printf("Interface Table: (In/Outvars)\n");
 268                         printf("    depth ");
 269                         for (j = 0; j < jd->maxinterfaces; j++) {
 270                                 printf("      [%2d]", j);
 271                         }
 272                         printf("\n");
 273
 274                         for (i = 0; i < 5; i++) {
 275                                 printf("    %5s      ",show_jit_type_names[i]);
 276                                 for (j = 0; j < jd->maxinterfaces; j++) {
 277                                         s4 flags  = jd->interface_map[j*5+i].flags;
 278                                         s4 regoff = jd->interface_map[j*5+i].regoff;
 279                                         if (flags == UNUSED)
 280                                                 printf("  --      ");
 281                                         else {
 282                                                 int ch;
 283
 284                                                 if (irstage >= SHOW_REGS) {
 285                                                         if (flags & SAVEDVAR) {
 286                                                                 if (flags & INMEMORY)
 287                                                                         ch = 'M';
 288                                                                 else
 289                                                                         ch = 'R';
 290                                                         }
 291                                                         else {
 292                                                                 if (flags & INMEMORY)
 293                                                                         ch = 'm';
 294                                                                 else
 295                                                                         ch = 'r';
 296                                                         }
 297                                                         printf("%c%03d(", ch, regoff);
 298                                                         show_allocation(i, flags, regoff);
 299                                                         printf(") ");
 300                                                 }
 301                                                 else {
 302                                                         if (flags & SAVEDVAR)
 303                                                                 printf("  I       ");
 304                                                         else
 305                                                                 printf("  i       ");
 306                                                 }
 307                                         }
 308                                 }
 309                                 printf("\n");
 310                         }
 311                         printf("\n");
 312                 }
 313         }
 314
 315         if (rd->memuse && irstage >= SHOW_REGS) {
 316                 int max;
 317
 318                 max = rd->memuse;
 319                 printf("Stack slots: (memuse=%d", rd->memuse);
 320                 if (irstage >= SHOW_CODE) {
 321                         printf(", stackframesize=%d", cd->stackframesize);
 322                         max = cd->stackframesize;
 323                 }
 324                 printf(")\n");
 325                 for (i = 0; i < max; ++i) {
 326 #if defined(HAS_4BYTE_STACKSLOT)
 327                         printf("    M%02d = 0x%02x(sp): ", i, i * 4);
 328 #else
 329                         printf("    M%02d = 0x%02x(sp): ", i, i * 8);
 330 #endif
 331                         for (j = 0; j < jd->vartop; ++j) {
 332                                 varinfo *v = VAR(j);
 333                                 if ((v->flags & INMEMORY) && (v->vv.regoff == i)) {
 334                                         show_variable(jd, j, irstage);
 335                                         putchar(' ');
 336                                 }
 337                         }
 338
 339                         printf("\n");
 340
 341                 }
 342                 printf("\n");
 343         }
 344
 345 #if defined(ENABLE_REPLACEMENT)
 346         if (code->rplpoints) {
 347                 printf("Replacement Points:\n");
 348                 replace_show_replacement_points(code);
 349                 printf("\n");
 350         }
 351 #endif /* defined(ENABLE_REPLACEMENT) */
 352
 353 #if defined(ENABLE_DISASSEMBLER)
 354         /* show code before first basic block */
 355
 356         if ((stage >= SHOW_CODE) && JITDATA_HAS_FLAG_SHOWDISASSEMBLE(jd)) {
 357                 pc = (u1 *) ((ptrint) code->mcode + cd->dseglen);
 358
 359                 for (; pc < (u1 *) ((ptrint) code->mcode + cd->dseglen + jd->basicblocks[0].mpc);)
 360                         DISASSINSTR(pc);
 361
 362                 printf("\n");
 363         }
 364 #endif
 365
 366         /* show code of all basic blocks */
 367
 368         for (bptr = jd->basicblocks; bptr != NULL; bptr = bptr->next)
 369                 show_basicblock(jd, bptr, stage);
 370
 371 #if defined(ENABLE_DISASSEMBLER)
 372         /* show stubs code */
 373
 374         if (stage >= SHOW_CODE && opt_showdisassemble && opt_showexceptionstubs) {
 375                 printf("\nStubs code:\n");
 376                 printf("Length: %d\n\n", (s4) (code->mcodelength -
 377                                                                            ((ptrint) cd->dseglen + lastbptr->mpc)));
 378
 379                 pc = (u1 *) ((ptrint) code->mcode + cd->dseglen + lastbptr->mpc);
 380
 381                 for (; (ptrint) pc < ((ptrint) code->mcode + code->mcodelength);)
 382                         DISASSINSTR(pc);
 383
 384                 printf("\n");
 385         }
 386 #endif
 387
 388         LOCK_MONITOR_EXIT(show_global_lock);
 389
 390         /* finally flush the output */
 391
 392         fflush(stdout);
 393 }
 394 #endif /* !defined(NDEBUG) */
 395
 396
 397 #if !defined(NDEBUG) && defined(ENABLE_INLINING)
 398 static void show_inline_info(jitdata *jd, insinfo_inline *ii, s4 opcode, s4 stage)
 399 {
 400         s4 *jl;
 401         s4 n;
 402
 403         printf("(pt %d+%d+%d st ",
 404                         ii->throughcount - (ii->stackvarscount - ii->paramcount),
 405                         ii->stackvarscount - ii->paramcount,
 406                         ii->paramcount);
 407         show_variable_array(jd, ii->stackvars, ii->stackvarscount, stage);
 408
 409         if (opcode == ICMD_INLINE_START || opcode == ICMD_INLINE_END) {
 410                 printf(" jl ");
 411                 jl = (opcode == ICMD_INLINE_START) ? ii->javalocals_start : ii->javalocals_end;
 412                 n = (opcode == ICMD_INLINE_START) ? ii->method->maxlocals : ii->outer->maxlocals;
 413                 show_javalocals_array(jd, jl, n, stage);
 414         }
 415
 416         printf(") ");
 417
 418 #if 0
 419         printf("(");
 420         method_print(ii->outer);
 421         printf(" ==> ");
 422 #endif
 423
 424         method_print(ii->method);
 425 }
 426 #endif /* !defined(NDEBUG) && defined(ENABLE_INLINING) */
 427
 428
 429 /* show_basicblock *************************************************************
 430
 431    Print the intermediate representation of a basic block.
 432
 433    NOTE: Currently this function may only be called after register allocation!
 434
 435 *******************************************************************************/
 436
 437 #if !defined(NDEBUG)
 438 void show_basicblock(jitdata *jd, basicblock *bptr, int stage)
 439 {
 440         codeinfo    *code;
 441         codegendata *cd;
 442         s4           i;
 443         bool         deadcode;
 444         instruction *iptr;
 445         int          irstage;
 446 #if defined(ENABLE_DISASSEMBLER)
 447         methodinfo  *m;                     /* this is only a dummy               */
 448         u1          *pc;
 449         s4           linenumber;
 450         s4           currentlinenumber;
 451 #endif
 452
 453         /* get required compiler data */
 454
 455         code = jd->code;
 456         cd   = jd->cd;
 457
 458         if (bptr->flags != BBDELETED) {
 459 #if defined(ENABLE_INTRP)
 460                 if (opt_intrp) {
 461                         deadcode = false;
 462                         irstage = SHOW_PARSE;
 463                 }
 464                 else
 465 #endif
 466                 {
 467                         deadcode = (bptr->flags < BBREACHED);
 468                         irstage = stage;
 469                 }
 470
 471                 printf("======== %sL%03d ======== %s(flags: %d, bitflags: %01x, next: %d, type: ",
 472 #if defined(ENABLE_REPLACEMENT)
 473                                 (bptr->bitflags & BBFLAG_REPLACEMENT) ? "<REPLACE> " :
 474 #endif
 475                                                                                                                 "",
 476                            bptr->nr,
 477                            (deadcode && stage >= SHOW_STACK) ? "DEADCODE! " : "",
 478                            bptr->flags, bptr->bitflags,
 479                            (bptr->next) ? (bptr->next->nr) : -1);
 480
 481                 switch (bptr->type) {
 482                 case BBTYPE_STD:
 483                         printf("STD");
 484                         break;
 485                 case BBTYPE_EXH:
 486                         printf("EXH");
 487                         break;
 488                 case BBTYPE_SBR:
 489                         printf("SBR");
 490                         break;
 491                 }
 492
 493                 printf(", icount: %d", bptr->icount);
 494
 495                 if (irstage >= SHOW_CFG) {
 496                         printf(", preds: %d [ ", bptr->predecessorcount);
 497
 498                         for (i = 0; i < bptr->predecessorcount; i++)
 499                                 printf("%d ", bptr->predecessors[i]->nr);
 500
 501                         printf("]");
 502                 }
 503
 504                 printf("):");
 505
 506                 if (bptr->original)
 507                         printf(" (clone of L%03d)", bptr->original->nr);
 508                 else {
 509                         basicblock *b = bptr->copied_to;
 510                         if (b) {
 511                                 printf(" (copied to ");
 512                                 for (; b; b = b->copied_to)
 513                                         printf("L%03d ", b->nr);
 514                                 printf(")");
 515                         }
 516                 }
 517
 518                 printf("\n");
 519
 520                 if (irstage >= SHOW_STACK) {
 521                         printf("IN:  ");
 522                         show_variable_array(jd, bptr->invars, bptr->indepth, irstage);
 523                         printf(" javalocals: ");
 524                         show_javalocals_array(jd, bptr->javalocals, bptr->method->maxlocals, irstage);
 525                         printf("\n");
 526                 }
 527
 528 #if defined(ENABLE_INLINING)
 529                 if (bptr->inlineinfo) {
 530                         printf("inlineinfo: ");
 531                         show_inline_info(jd, bptr->inlineinfo, -1, irstage);
 532                         printf("\n");
 533                 }
 534 #endif /* defined(ENABLE_INLINING) */
 535
 536                 iptr = bptr->iinstr;
 537
 538                 for (i = 0; i < bptr->icount; i++, iptr++) {
 539                         printf("%4d:%4d:  ", iptr->line, iptr->flags.bits >> INS_FLAG_ID_SHIFT);
 540
 541                         show_icmd(jd, iptr, deadcode, irstage);
 542                         printf("\n");
 543                 }
 544
 545                 if (irstage >= SHOW_STACK) {
 546                         printf("OUT: ");
 547                         show_variable_array(jd, bptr->outvars, bptr->outdepth, irstage);
 548                         printf("\n");
 549                 }
 550
 551 #if defined(ENABLE_DISASSEMBLER)
 552                 if ((stage >= SHOW_CODE) && JITDATA_HAS_FLAG_SHOWDISASSEMBLE(jd) &&
 553                         (!deadcode))
 554                 {
 555                         printf("\n");
 556                         pc         = (u1 *) (code->mcode + cd->dseglen + bptr->mpc);
 557                         linenumber = 0;
 558
 559                         if (bptr->next != NULL) {
 560                                 for (; pc < (u1 *) (code->mcode + cd->dseglen + bptr->next->mpc);) {
 561                                         currentlinenumber =
 562                                                 dseg_get_linenumber_from_pc(&m, code->entrypoint, pc);
 563
 564                                         if (currentlinenumber != linenumber) {
 565                                                 linenumber = currentlinenumber;
 566                                                 printf("%4d:\n", linenumber);
 567                                         }
 568
 569                                         DISASSINSTR(pc);
 570                                 }
 571                         }
 572                         else {
 573                                 for (; pc < (u1 *) (code->mcode + code->mcodelength);) {
 574                                         currentlinenumber =
 575                                                 dseg_get_linenumber_from_pc(&m, code->entrypoint, pc);
 576
 577                                         if (currentlinenumber != linenumber) {
 578                                                 linenumber = currentlinenumber;
 579                                                 printf("%4d:\n", linenumber);
 580                                         }
 581
 582                                         DISASSINSTR(pc);
 583                                 }
 584                         }
 585                         printf("\n");
 586                 }
 587 #endif
 588         }
 589 }
 590 #endif /* !defined(NDEBUG) */
 591
 592
 593 /* show_icmd *******************************************************************
 594
 595    Print the intermediate representation of an instruction.
 596
 597    NOTE: Currently this function may only be called after register allocation!
 598
 599 *******************************************************************************/
 600
 601 #if !defined(NDEBUG)
 602
 603 #define SHOW_TARGET(target)                                          \
 604         if (stage >= SHOW_PARSE) {                                   \
 605             printf("--> L%03d ", (target).block->nr);                \
 606         }                                                            \
 607         else {                                                       \
 608             printf("--> insindex %d ", (target).insindex);           \
 609         }
 610
 611 #define SHOW_INT_CONST(val)                                          \
 612         if (stage >= SHOW_PARSE) {                                   \
 613             printf("%d (0x%08x) ", (val), (val));                    \
 614         }                                                            \
 615         else {                                                       \
 616             printf("iconst ");                                       \
 617         }
 618
 619 #if SIZEOF_VOID_P == 4
 620 #define SHOW_LNG_CONST(val)                                          \
 621         if (stage >= SHOW_PARSE)                                     \
 622             printf("%lld (0x%016llx) ", (val), (val));               \
 623         else                                                         \
 624             printf("lconst ");
 625 #else
 626 #define SHOW_LNG_CONST(val)                                          \
 627         if (stage >= SHOW_PARSE)                                     \
 628             printf("%ld (0x%016lx) ", (val), (val));                 \
 629         else                                                         \
 630             printf("lconst ");
 631 #endif
 632
 633 #if SIZEOF_VOID_P == 4
 634 #define SHOW_ADR_CONST(val)                                          \
 635         if (stage >= SHOW_PARSE)                                     \
 636             printf("0x%08x ", (ptrint) (val));                       \
 637         else                                                         \
 638             printf("aconst ");
 639 #else
 640 #define SHOW_ADR_CONST(val)                                          \
 641         if (stage >= SHOW_PARSE)                                     \
 642             printf("0x%016lx ", (ptrint) (val));                     \
 643         else                                                         \
 644             printf("aconst ");
 645 #endif
 646
 647 #define SHOW_FLT_CONST(val)                                          \
 648         if (stage >= SHOW_PARSE) {                                   \
 649             imm_union v;                                             \
 650             v.f = (val);                                             \
 651             printf("%g (0x%08x) ", (val), v.i);                      \
 652         }                                                            \
 653         else {                                                       \
 654             printf("fconst ");                                       \
 655         }
 656
 657 #if SIZEOF_VOID_P == 4
 658 #define SHOW_DBL_CONST(val)                                          \
 659         if (stage >= SHOW_PARSE) {                                   \
 660             imm_union v;                                             \
 661             v.d = (val);                                             \
 662             printf("%g (0x%016llx) ", (val), v.l);                   \
 663         }                                                            \
 664         else                                                         \
 665             printf("dconst ");
 666 #else
 667 #define SHOW_DBL_CONST(val)                                          \
 668         if (stage >= SHOW_PARSE) {                                   \
 669             imm_union v;                                             \
 670             v.d = (val);                                             \
 671             printf("%g (0x%016lx) ", (val), v.l);                    \
 672         }                                                            \
 673         else                                                         \
 674             printf("dconst ");
 675 #endif
 676
 677 #define SHOW_INDEX(index)                                            \
 678         if (stage >= SHOW_PARSE) {                                   \
 679             printf("%d ", index);                                    \
 680         }                                                            \
 681         else {                                                       \
 682             printf("index");                                         \
 683         }
 684
 685 #define SHOW_STRING(val)                                             \
 686         if (stage >= SHOW_PARSE) {                                   \
 687             putchar('"');                                            \
 688             utf_display_printable_ascii(                             \
 689                javastring_toutf((java_objectheader *)(val), false)); \
 690             printf("\" ");                                           \
 691         }                                                            \
 692         else {                                                       \
 693             printf("string ");                                       \
 694         }
 695
 696 #define SHOW_CLASSREF_OR_CLASSINFO(c)                                \
 697         if (stage >= SHOW_PARSE) {                                   \
 698             if (IS_CLASSREF(c))                                      \
 699                 class_classref_print(c.ref);                         \
 700             else                                                     \
 701                 class_print(c.cls);                                  \
 702             putchar(' ');                                            \
 703         }                                                            \
 704         else {                                                       \
 705             printf("class ");                                        \
 706         }
 707
 708 #define SHOW_FIELD(fmiref)                                           \
 709         if (stage >= SHOW_PARSE) {                                   \
 710             field_fieldref_print(fmiref);                            \
 711             putchar(' ');                                            \
 712         }                                                            \
 713         else {                                                       \
 714             printf("field ");                                        \
 715         }
 716
 717 #define SHOW_VARIABLE(v)                                             \
 718     show_variable(jd, (v), stage)
 719
 720 #define SHOW_S1(iptr)                                                \
 721         if (stage >= SHOW_STACK) {                                   \
 722             SHOW_VARIABLE(iptr->s1.varindex);                        \
 723         }
 724
 725 #define SHOW_S2(iptr)                                                \
 726         if (stage >= SHOW_STACK) {                                   \
 727             SHOW_VARIABLE(iptr->sx.s23.s2.varindex);                 \
 728         }
 729
 730 #define SHOW_S3(iptr)                                                \
 731     if (stage >= SHOW_STACK) {                                       \
 732         SHOW_VARIABLE(iptr->sx.s23.s3.varindex);                     \
 733     }
 734
 735 #define SHOW_DST(iptr)                                               \
 736     if (stage >= SHOW_STACK) {                                       \
 737         printf("=> ");                                               \
 738         SHOW_VARIABLE(iptr->dst.varindex);                           \
 739     }
 740
 741 #define SHOW_S1_LOCAL(iptr)                                          \
 742     if (stage >= SHOW_STACK) {                                       \
 743         printf("L%d ", iptr->s1.varindex);                           \
 744     }                                                                \
 745     else {                                                           \
 746         printf("JavaL%d ", iptr->s1.varindex);                       \
 747     }
 748
 749 #define SHOW_DST_LOCAL(iptr)                                         \
 750     if (stage >= SHOW_STACK) {                                       \
 751         printf("=> L%d ", iptr->dst.varindex);                       \
 752     }                                                                \
 753     else {                                                           \
 754         printf("=> JavaL%d ", iptr->dst.varindex);                   \
 755     }
 756
 757 void show_allocation(s4 type, s4 flags, s4 regoff)
 758 {
 759         if (type == TYPE_RET) {
 760                 printf("N/A");
 761                 return;
 762         }
 763
 764         if (flags & INMEMORY) {
 765                 printf("M%02d", regoff);
 766                 return;
 767         }
 768
 769 #ifdef HAS_ADDRESS_REGISTER_FILE
 770         if (type == TYPE_ADR) {
 771                 printf("R%02d", regoff);
 772                 return;
 773         }
 774 #endif
 775
 776         if (IS_FLT_DBL_TYPE(type)) {
 777                 printf("F%02d", regoff);
 778                 return;
 779         }
 780
 781 #if defined(SUPPORT_COMBINE_INTEGER_REGISTERS)
 782         if (IS_2_WORD_TYPE(type)) {
 783 # if defined(ENABLE_JIT) && defined(ENABLE_DISASSEMBLER)
 784 #  if defined(ENABLE_INTRP)
 785                 if (opt_intrp)
 786                         printf("%3d/%3d", GET_LOW_REG(regoff),
 787                                         GET_HIGH_REG(regoff));
 788                 else
 789 #  endif
 790                         printf("%3s/%3s", abi_registers_integer_name[GET_LOW_REG(regoff)],
 791                                    abi_registers_integer_name[GET_HIGH_REG(regoff)]);
 792 # else
 793                 printf("%3d/%3d", GET_LOW_REG(regoff),
 794                            GET_HIGH_REG(regoff));
 795 # endif
 796                 return;
 797         }
 798 #endif /* defined(SUPPORT_COMBINE_INTEGER_REGISTERS) */
 799
 800 #if defined(ENABLE_JIT) && defined(ENABLE_DISASSEMBLER)
 801 # if defined(ENABLE_INTRP)
 802         if (opt_intrp)
 803                 printf("%3d", regoff);
 804         else
 805 # endif
 806                 printf("%3s", abi_registers_integer_name[regoff]);
 807 #else
 808         printf("%3d", regoff);
 809 #endif
 810 }
 811
 812 void show_variable(jitdata *jd, s4 index, int stage)
 813 {
 814         show_variable_intern(jd, index, stage);
 815         putchar(' ');
 816 }
 817
 818 static void show_variable_intern(jitdata *jd, s4 index, int stage)
 819 {
 820         char type;
 821         char kind;
 822         varinfo *v;
 823
 824         if (index < 0 || index >= jd->vartop) {
 825                 printf("<INVALID INDEX:%d>", index);
 826                 return;
 827         }
 828
 829         v = VAR(index);
 830
 831         switch (v->type) {
 832                 case TYPE_INT: type = 'i'; break;
 833                 case TYPE_LNG: type = 'l'; break;
 834                 case TYPE_FLT: type = 'f'; break;
 835                 case TYPE_DBL: type = 'd'; break;
 836                 case TYPE_ADR: type = 'a'; break;
 837                 case TYPE_RET: type = 'r'; break;
 838                 default:       type = '?';
 839         }
 840
 841         if (index < jd->localcount) {
 842                 kind = 'L';
 843                 if (v->flags & (PREALLOC | INOUT))
 844                                 printf("<INVALID FLAGS!>");
 845         }
 846         else {
 847                 if (v->flags & PREALLOC) {
 848                         kind = 'A';
 849                         if (v->flags & INOUT) {
 850                                 /* PREALLOC is used to avoid allocation of TYPE_RET */
 851                                 if (v->type == TYPE_RET)
 852                                         kind = 'i';
 853                                 else
 854                                         printf("<INVALID FLAGS!>");
 855                         }
 856                 }
 857                 else if (v->flags & INOUT)
 858                         kind = 'I';
 859                 else
 860                         kind = 'T';
 861         }
 862
 863         printf("%c%c%d", kind, type, index);
 864
 865         if (v->flags & SAVEDVAR)
 866                 putchar('!');
 867
 868         if (stage >= SHOW_REGS || (v->flags & PREALLOC)) {
 869                 putchar('(');
 870                 show_allocation(v->type, v->flags, v->vv.regoff);
 871                 putchar(')');
 872         }
 873
 874         if (v->type == TYPE_RET && (v->flags & PREALLOC)) {
 875                 printf("(L%03d)", v->vv.retaddr->nr);
 876         }
 877 }
 878
 879 static void show_variable_array_intern(jitdata *jd, s4 *vars, int n, int stage,
 880                                                                            bool javalocals)
 881 {
 882         int i;
 883         int nr;
 884
 885         if (vars == NULL) {
 886                 printf("<null>");
 887                 return;
 888         }
 889
 890         printf("[");
 891         for (i=0; i<n; ++i) {
 892                 if (i)
 893                         putchar(' ');
 894                 if (vars[i] < 0) {
 895                         if (vars[i] == UNUSED)
 896                                 putchar('-');
 897                         else if (javalocals) {
 898                                 nr = RETADDR_FROM_JAVALOCAL(vars[i]);
 899                                 printf("ret(L%03d)", nr);
 900                         }
 901                         else {
 902                                 printf("<INVALID INDEX:%d>", vars[i]);
 903                         }
 904                 }
 905                 else
 906                         show_variable_intern(jd, vars[i], stage);
 907         }
 908         printf("]");
 909 }
 910
 911 void show_variable_array(jitdata *jd, s4 *vars, int n, int stage)
 912 {
 913         show_variable_array_intern(jd, vars, n, stage, false);
 914 }
 915
 916 void show_javalocals_array(jitdata *jd, s4 *vars, int n, int stage)
 917 {
 918         show_variable_array_intern(jd, vars, n, stage, true);
 919 }
 920
 921 void show_icmd(jitdata *jd, instruction *iptr, bool deadcode, int stage)
 922 {
 923         u2                 opcode;
 924         branch_target_t   *table;
 925         lookup_target_t   *lookup;
 926         constant_FMIref   *fmiref;
 927         s4                *argp;
 928         s4                 i;
 929
 930         /* get the opcode and the condition */
 931
 932         opcode    =  iptr->opc;
 933
 934         printf("%s ", icmd_table[opcode].name);
 935
 936         if (stage < SHOW_PARSE)
 937                 return;
 938
 939         if (deadcode)
 940                 stage = SHOW_PARSE;
 941
 942         /* Print the condition for conditional instructions. */
 943
 944         /* XXX print condition from flags */
 945
 946         if (iptr->flags.bits & INS_FLAG_UNRESOLVED)
 947                 printf("(UNRESOLVED) ");
 948
 949         switch (opcode) {
 950
 951         case ICMD_POP:
 952         case ICMD_CHECKNULL:
 953                 SHOW_S1(iptr);
 954                 break;
 955
 956                 /* unary */
 957         case ICMD_ARRAYLENGTH:
 958         case ICMD_INEG:
 959         case ICMD_LNEG:
 960         case ICMD_FNEG:
 961         case ICMD_DNEG:
 962         case ICMD_I2L:
 963         case ICMD_I2F:
 964         case ICMD_I2D:
 965         case ICMD_L2I:
 966         case ICMD_L2F:
 967         case ICMD_L2D:
 968         case ICMD_F2I:
 969         case ICMD_F2L:
 970         case ICMD_F2D:
 971         case ICMD_D2I:
 972         case ICMD_D2L:
 973         case ICMD_D2F:
 974         case ICMD_INT2BYTE:
 975         case ICMD_INT2CHAR:
 976         case ICMD_INT2SHORT:
 977                 SHOW_S1(iptr);
 978                 SHOW_DST(iptr);
 979                 break;
 980
 981                 /* binary */
 982         case ICMD_IADD:
 983         case ICMD_LADD:
 984         case ICMD_FADD:
 985         case ICMD_DADD:
 986         case ICMD_ISUB:
 987         case ICMD_LSUB:
 988         case ICMD_FSUB:
 989         case ICMD_DSUB:
 990         case ICMD_IMUL:
 991         case ICMD_LMUL:
 992         case ICMD_FMUL:
 993         case ICMD_DMUL:
 994         case ICMD_IDIV:
 995         case ICMD_LDIV:
 996         case ICMD_FDIV:
 997         case ICMD_DDIV:
 998         case ICMD_IREM:
 999         case ICMD_LREM:
1000         case ICMD_FREM:
1001         case ICMD_DREM:
1002         case ICMD_ISHL:
1003         case ICMD_LSHL:
1004         case ICMD_ISHR:
1005         case ICMD_LSHR:
1006         case ICMD_IUSHR:
1007         case ICMD_LUSHR:
1008         case ICMD_IAND:
1009         case ICMD_LAND:
1010         case ICMD_IOR:
1011         case ICMD_LOR:
1012         case ICMD_IXOR:
1013         case ICMD_LXOR:
1014         case ICMD_LCMP:
1015         case ICMD_FCMPL:
1016         case ICMD_FCMPG:
1017         case ICMD_DCMPL:
1018         case ICMD_DCMPG:
1019                 SHOW_S1(iptr);
1020                 SHOW_S2(iptr);
1021                 SHOW_DST(iptr);
1022                 break;
1023
1024                 /* binary/const INT */
1025         case ICMD_IADDCONST:
1026         case ICMD_ISUBCONST:
1027         case ICMD_IMULCONST:
1028         case ICMD_IMULPOW2:
1029         case ICMD_IDIVPOW2:
1030         case ICMD_IREMPOW2:
1031         case ICMD_IANDCONST:
1032         case ICMD_IORCONST:
1033         case ICMD_IXORCONST:
1034         case ICMD_ISHLCONST:
1035         case ICMD_ISHRCONST:
1036         case ICMD_IUSHRCONST:
1037         case ICMD_LSHLCONST:
1038         case ICMD_LSHRCONST:
1039         case ICMD_LUSHRCONST:
1040                 SHOW_S1(iptr);
1041                 SHOW_INT_CONST(iptr->sx.val.i);
1042                 SHOW_DST(iptr);
1043                 break;
1044
1045                 /* ?ASTORECONST (trinary/const INT) */
1046         case ICMD_IASTORECONST:
1047         case ICMD_BASTORECONST:
1048         case ICMD_CASTORECONST:
1049         case ICMD_SASTORECONST:
1050                 SHOW_S1(iptr);
1051                 SHOW_S2(iptr);
1052                 SHOW_INT_CONST(iptr->sx.s23.s3.constval);
1053                 break;
1054
1055                 /* const INT */
1056         case ICMD_ICONST:
1057                 SHOW_INT_CONST(iptr->sx.val.i);
1058                 SHOW_DST(iptr);
1059                 break;
1060
1061                 /* binary/const LNG */
1062         case ICMD_LADDCONST:
1063         case ICMD_LSUBCONST:
1064         case ICMD_LMULCONST:
1065         case ICMD_LMULPOW2:
1066         case ICMD_LDIVPOW2:
1067         case ICMD_LREMPOW2:
1068         case ICMD_LANDCONST:
1069         case ICMD_LORCONST:
1070         case ICMD_LXORCONST:
1071                 SHOW_S1(iptr);
1072                 SHOW_LNG_CONST(iptr->sx.val.l);
1073                 SHOW_DST(iptr);
1074                 break;
1075
1076                 /* trinary/const LNG (<= pointer size) */
1077         case ICMD_LASTORECONST:
1078                 SHOW_S1(iptr);
1079                 SHOW_S2(iptr);
1080                 SHOW_ADR_CONST(iptr->sx.s23.s3.constval);
1081                 break;
1082
1083                 /* const LNG */
1084         case ICMD_LCONST:
1085                 SHOW_LNG_CONST(iptr->sx.val.l);
1086                 SHOW_DST(iptr);
1087                 break;
1088
1089                 /* const FLT */
1090         case ICMD_FCONST:
1091                 SHOW_FLT_CONST(iptr->sx.val.f);
1092                 SHOW_DST(iptr);
1093                 break;
1094
1095                 /* const DBL */
1096         case ICMD_DCONST:
1097                 SHOW_DBL_CONST(iptr->sx.val.d);
1098                 SHOW_DST(iptr);
1099                 break;
1100
1101                 /* const ADR */
1102         case ICMD_ACONST:
1103                 if (iptr->flags.bits & INS_FLAG_CLASS) {
1104                         SHOW_ADR_CONST(iptr->sx.val.anyptr);
1105                         SHOW_CLASSREF_OR_CLASSINFO(iptr->sx.val.c);
1106                 }
1107                 else if (iptr->sx.val.anyptr == NULL) {
1108                         printf("NULL ");
1109                 }
1110                 else {
1111                         SHOW_ADR_CONST(iptr->sx.val.anyptr);
1112                         SHOW_STRING(iptr->sx.val.stringconst);
1113                 }
1114                 SHOW_DST(iptr);
1115                 break;
1116
1117         case ICMD_AASTORECONST:
1118                 SHOW_S1(iptr);
1119                 SHOW_S2(iptr);
1120                 printf("%p ", (void*) iptr->sx.s23.s3.constval);
1121                 break;
1122
1123         case ICMD_GETFIELD:        /* 1 -> 1 */
1124         case ICMD_PUTFIELD:        /* 2 -> 0 */
1125         case ICMD_PUTSTATIC:       /* 1 -> 0 */
1126         case ICMD_GETSTATIC:       /* 0 -> 1 */
1127         case ICMD_PUTSTATICCONST:  /* 0 -> 0 */
1128         case ICMD_PUTFIELDCONST:   /* 1 -> 0 */
1129                 if (opcode != ICMD_GETSTATIC && opcode != ICMD_PUTSTATICCONST) {
1130                         SHOW_S1(iptr);
1131                         if (opcode == ICMD_PUTFIELD) {
1132                                 SHOW_S2(iptr);
1133                         }
1134                 }
1135                 INSTRUCTION_GET_FIELDREF(iptr, fmiref);
1136                 SHOW_FIELD(fmiref);
1137
1138                 if (opcode == ICMD_GETSTATIC || opcode == ICMD_GETFIELD) {
1139                         SHOW_DST(iptr);
1140                 }
1141                 break;
1142
1143         case ICMD_IINC:
1144                 SHOW_S1_LOCAL(iptr);
1145                 SHOW_INT_CONST(iptr->sx.val.i);
1146                 SHOW_DST_LOCAL(iptr);
1147                 break;
1148
1149         case ICMD_IASTORE:
1150         case ICMD_SASTORE:
1151         case ICMD_BASTORE:
1152         case ICMD_CASTORE:
1153         case ICMD_LASTORE:
1154         case ICMD_DASTORE:
1155         case ICMD_FASTORE:
1156         case ICMD_AASTORE:
1157                 SHOW_S1(iptr);
1158                 SHOW_S2(iptr);
1159                 SHOW_S3(iptr);
1160                 break;
1161
1162         case ICMD_IALOAD:
1163         case ICMD_SALOAD:
1164         case ICMD_BALOAD:
1165         case ICMD_CALOAD:
1166         case ICMD_LALOAD:
1167         case ICMD_DALOAD:
1168         case ICMD_FALOAD:
1169         case ICMD_AALOAD:
1170                 SHOW_S1(iptr);
1171                 SHOW_S2(iptr);
1172                 SHOW_DST(iptr);
1173                 break;
1174
1175         case ICMD_RET:
1176                 SHOW_S1_LOCAL(iptr);
1177                 if (stage >= SHOW_STACK) {
1178                         printf(" ---> L%03d", iptr->dst.block->nr);
1179                 }
1180                 break;
1181
1182         case ICMD_ILOAD:
1183         case ICMD_LLOAD:
1184         case ICMD_FLOAD:
1185         case ICMD_DLOAD:
1186         case ICMD_ALOAD:
1187                 SHOW_S1_LOCAL(iptr);
1188                 SHOW_DST(iptr);
1189                 break;
1190
1191         case ICMD_ISTORE:
1192         case ICMD_LSTORE:
1193         case ICMD_FSTORE:
1194         case ICMD_DSTORE:
1195         case ICMD_ASTORE:
1196                 SHOW_S1(iptr);
1197                 SHOW_DST_LOCAL(iptr);
1198                 if (stage >= SHOW_STACK && iptr->sx.s23.s3.javaindex != UNUSED)
1199                         printf(" (javaindex %d)", iptr->sx.s23.s3.javaindex);
1200                 if (iptr->flags.bits & INS_FLAG_RETADDR) {
1201                         printf(" (retaddr L%03d)", RETADDR_FROM_JAVALOCAL(iptr->sx.s23.s2.retaddrnr));
1202                 }
1203                 break;
1204
1205         case ICMD_NEW:
1206                 SHOW_DST(iptr);
1207                 break;
1208
1209         case ICMD_NEWARRAY:
1210                 SHOW_DST(iptr);
1211                 break;
1212
1213         case ICMD_ANEWARRAY:
1214                 SHOW_DST(iptr);
1215                 break;
1216
1217         case ICMD_MULTIANEWARRAY:
1218                 if (stage >= SHOW_STACK) {
1219                         argp = iptr->sx.s23.s2.args;
1220                         i = iptr->s1.argcount;
1221                         while (i--) {
1222                                 SHOW_VARIABLE(*(argp++));
1223                         }
1224                 }
1225                 else {
1226                         printf("argcount=%d ", iptr->s1.argcount);
1227                 }
1228                 SHOW_DST(iptr);
1229                 break;
1230
1231         case ICMD_CHECKCAST:
1232                 SHOW_S1(iptr);
1233                 putchar(' ');
1234                 class_classref_or_classinfo_print(iptr->sx.s23.s3.c);
1235                 SHOW_DST(iptr);
1236                 break;
1237
1238         case ICMD_INSTANCEOF:
1239                 SHOW_S1(iptr);
1240                 SHOW_DST(iptr);
1241                 break;
1242
1243         case ICMD_INLINE_START:
1244         case ICMD_INLINE_END:
1245         case ICMD_INLINE_BODY:
1246 #if defined(ENABLE_INLINING)
1247                 {
1248                         insinfo_inline *ii = iptr->sx.s23.s3.inlineinfo;
1249                         show_inline_info(jd, ii, opcode, stage);
1250                 }
1251 #endif
1252                 break;
1253
1254         case ICMD_BUILTIN:
1255                 if (stage >= SHOW_STACK) {
1256                         argp = iptr->sx.s23.s2.args;
1257                         i = iptr->s1.argcount;
1258                         while (i--) {
1259                                 if ((iptr->s1.argcount - 1 - i) == iptr->sx.s23.s3.bte->md->paramcount)
1260                                         printf(" pass-through: ");
1261                                 SHOW_VARIABLE(*(argp++));
1262                         }
1263                 }
1264                 printf("%s ", iptr->sx.s23.s3.bte->cname);
1265                 if (iptr->sx.s23.s3.bte->md->returntype.type != TYPE_VOID) {
1266                         SHOW_DST(iptr);
1267                 }
1268                 break;
1269
1270         case ICMD_INVOKEVIRTUAL:
1271         case ICMD_INVOKESPECIAL:
1272         case ICMD_INVOKESTATIC:
1273         case ICMD_INVOKEINTERFACE:
1274                 if (stage >= SHOW_STACK) {
1275                         methoddesc *md;
1276                         INSTRUCTION_GET_METHODDESC(iptr, md);
1277                         argp = iptr->sx.s23.s2.args;
1278                         i = iptr->s1.argcount;
1279                         while (i--) {
1280                                 if ((iptr->s1.argcount - 1 - i) == md->paramcount)
1281                                         printf(" pass-through: ");
1282                                 SHOW_VARIABLE(*(argp++));
1283                         }
1284                 }
1285                 INSTRUCTION_GET_METHODREF(iptr, fmiref);
1286                 method_methodref_print(fmiref);
1287                 if (fmiref->parseddesc.md->returntype.type != TYPE_VOID) {
1288                         putchar(' ');
1289                         SHOW_DST(iptr);
1290                 }
1291                 break;
1292
1293         case ICMD_IFEQ:
1294         case ICMD_IFNE:
1295         case ICMD_IFLT:
1296         case ICMD_IFGE:
1297         case ICMD_IFGT:
1298         case ICMD_IFLE:
1299                 SHOW_S1(iptr);
1300                 SHOW_INT_CONST(iptr->sx.val.i);
1301                 SHOW_TARGET(iptr->dst);
1302                 break;
1303
1304         case ICMD_IF_LEQ:
1305         case ICMD_IF_LNE:
1306         case ICMD_IF_LLT:
1307         case ICMD_IF_LGE:
1308         case ICMD_IF_LGT:
1309         case ICMD_IF_LLE:
1310                 SHOW_S1(iptr);
1311                 SHOW_LNG_CONST(iptr->sx.val.l);
1312                 SHOW_TARGET(iptr->dst);
1313                 break;
1314
1315         case ICMD_GOTO:
1316                 SHOW_TARGET(iptr->dst);
1317                 break;
1318
1319         case ICMD_JSR:
1320                 SHOW_TARGET(iptr->sx.s23.s3.jsrtarget);
1321                 SHOW_DST(iptr);
1322                 break;
1323
1324         case ICMD_IFNULL:
1325         case ICMD_IFNONNULL:
1326                 SHOW_S1(iptr);
1327                 SHOW_TARGET(iptr->dst);
1328                 break;
1329
1330         case ICMD_IF_ICMPEQ:
1331         case ICMD_IF_ICMPNE:
1332         case ICMD_IF_ICMPLT:
1333         case ICMD_IF_ICMPGE:
1334         case ICMD_IF_ICMPGT:
1335         case ICMD_IF_ICMPLE:
1336
1337         case ICMD_IF_LCMPEQ:
1338         case ICMD_IF_LCMPNE:
1339         case ICMD_IF_LCMPLT:
1340         case ICMD_IF_LCMPGE:
1341         case ICMD_IF_LCMPGT:
1342         case ICMD_IF_LCMPLE:
1343
1344         case ICMD_IF_FCMPEQ:
1345         case ICMD_IF_FCMPNE:
1346
1347         case ICMD_IF_FCMPL_LT:
1348         case ICMD_IF_FCMPL_GE:
1349         case ICMD_IF_FCMPL_GT:
1350         case ICMD_IF_FCMPL_LE:
1351
1352         case ICMD_IF_FCMPG_LT:
1353         case ICMD_IF_FCMPG_GE:
1354         case ICMD_IF_FCMPG_GT:
1355         case ICMD_IF_FCMPG_LE:
1356
1357         case ICMD_IF_DCMPEQ:
1358         case ICMD_IF_DCMPNE:
1359
1360         case ICMD_IF_DCMPL_LT:
1361         case ICMD_IF_DCMPL_GE:
1362         case ICMD_IF_DCMPL_GT:
1363         case ICMD_IF_DCMPL_LE:
1364
1365         case ICMD_IF_DCMPG_LT:
1366         case ICMD_IF_DCMPG_GE:
1367         case ICMD_IF_DCMPG_GT:
1368         case ICMD_IF_DCMPG_LE:
1369
1370         case ICMD_IF_ACMPEQ:
1371         case ICMD_IF_ACMPNE:
1372                 SHOW_S1(iptr);
1373                 SHOW_S2(iptr);
1374                 SHOW_TARGET(iptr->dst);
1375                 break;
1376
1377         case ICMD_TABLESWITCH:
1378                 SHOW_S1(iptr);
1379                 table = iptr->dst.table;
1380
1381                 i = iptr->sx.s23.s3.tablehigh - iptr->sx.s23.s2.tablelow + 1;
1382
1383                 printf("high=%d low=%d count=%d\n", iptr->sx.s23.s3.tablehigh, iptr->sx.s23.s2.tablelow, i);
1384                 while (--i >= 0) {
1385                         printf("\t\t%d --> ", (int) (table - iptr->dst.table));
1386                         printf("L%03d\n", table->block->nr);
1387                         table++;
1388                 }
1389
1390                 break;
1391
1392         case ICMD_LOOKUPSWITCH:
1393                 SHOW_S1(iptr);
1394
1395                 printf("count=%d, default=L%03d\n",
1396                            iptr->sx.s23.s2.lookupcount,
1397                            iptr->sx.s23.s3.lookupdefault.block->nr);
1398
1399                 lookup = iptr->dst.lookup;
1400                 i = iptr->sx.s23.s2.lookupcount;
1401
1402                 while (--i >= 0) {
1403                         printf("\t\t%d --> L%03d\n",
1404                                    lookup->value,
1405                                    lookup->target.block->nr);
1406                         lookup++;
1407                 }
1408                 break;
1409
1410         case ICMD_FRETURN:
1411         case ICMD_IRETURN:
1412         case ICMD_DRETURN:
1413         case ICMD_LRETURN:
1414                 SHOW_S1(iptr);
1415                 break;
1416
1417         case ICMD_ARETURN:
1418         case ICMD_ATHROW:
1419                 SHOW_S1(iptr);
1420                 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1421                         /* XXX this needs more work */
1422 #if 0
1423                         unresolved_class_debug_dump(iptr->sx.s23.s2.uc, stdout);
1424 #endif
1425                 }
1426                 break;
1427
1428         case ICMD_COPY:
1429         case ICMD_MOVE:
1430                 SHOW_S1(iptr);
1431                 SHOW_DST(iptr);
1432                 break;
1433         }
1434         fflush(stdout);
1435 }
1436 #endif /* !defined(NDEBUG) */
1437
1438
1439 /*
1440  * These are local overrides for various environment variables in Emacs.
1441  * Please do not remove this and leave it at the end of the file, where
1442  * Emacs will automagically detect them.
1443  * ---------------------------------------------------------------------
1444  * Local variables:
1445  * mode: c
1446  * indent-tabs-mode: t
1447  * c-basic-offset: 4
1448  * tab-width: 4
1449  * End:
1450  * vim:noexpandtab:sw=4:ts=4:
1451  */