src/vm/jit/show.c

   1 /* src/vm/jit/show.c - showing the intermediate representation
   2
   3    Copyright (C) 1996-2005, 2006, 2007, 2008
   4    CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
   5
   6    This file is part of CACAO.
   7
   8    This program is free software; you can redistribute it and/or
   9    modify it under the terms of the GNU General Public License as
  10    published by the Free Software Foundation; either version 2, or (at
  11    your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful, but
  14    WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16    General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  21    02110-1301, USA.
  22
  23 */
  24
  25
  26 #include "config.h"
  27
  28 #include <assert.h>
  29 #include <stdint.h>
  30
  31 #include "vm/types.h"
  32
  33 #include "mm/memory.h"
  34
  35 #include "threads/lock-common.h"
  36
  37 #include "vm/global.h"
  38 #include "vm/builtin.h"
  39 #include "vm/stringlocal.h"
  40 #include "vm/vm.h"
  41
  42 #include "vm/jit/abi.h"
  43 #include "vm/jit/jit.h"
  44 #include "vm/jit/show.h"
  45 #include "vm/jit/disass.h"
  46 #include "vm/jit/stack.h"
  47 #include "vm/jit/parse.h"
  48
  49 #include "vmcore/options.h"
  50
  51 #if defined(ENABLE_DEBUG_FILTER)
  52 # include <sys/types.h>
  53 # include <regex.h>
  54 # include "threads/thread.h"
  55 #endif
  56
  57
  58 /* global variables ***********************************************************/
  59
  60 #if defined(ENABLE_THREADS) && !defined(NDEBUG)
  61 static java_object_t *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_object_t);
  85
  86         LOCK_INIT_OBJECT_LOCK(show_global_lock);
  87 #endif
  88
  89 #if defined(ENABLE_DEBUG_FILTER)
  90         show_filters_init();
  91 #endif
  92
  93         /* everything's ok */
  94
  95         return true;
  96 }
  97 #endif
  98
  99
 100 #if !defined(NDEBUG)
 101 char *show_jit_type_names[] = {
 102         "INT",
 103         "LNG",
 104         "FLT",
 105         "DBL",
 106         "ADR",
 107         "??5",
 108         "??6",
 109         "??7",
 110         "RET"
 111 };
 112 char show_jit_type_letters[] = {
 113         'I',
 114         'L',
 115         'F',
 116         'D',
 117         'A',
 118         '5',
 119         '6',
 120         '7',
 121         'R'
 122 };
 123 #endif
 124
 125
 126 /* show_method *****************************************************************
 127
 128    Print the intermediate representation of a method.
 129
 130    NOTE: Currently this function may only be called after register allocation!
 131
 132 *******************************************************************************/
 133
 134 #if !defined(NDEBUG)
 135 void show_method(jitdata *jd, int stage)
 136 {
 137         methodinfo     *m;
 138         codeinfo       *code;
 139         codegendata    *cd;
 140         registerdata   *rd;
 141         basicblock     *bptr;
 142         basicblock     *lastbptr;
 143         exception_entry *ex;
 144         s4              i, j;
 145         int             irstage;
 146 #if defined(ENABLE_DISASSEMBLER)
 147         u1             *pc;
 148 #endif
 149
 150         /* get required compiler data */
 151
 152         m    = jd->m;
 153         code = jd->code;
 154         cd   = jd->cd;
 155         rd   = jd->rd;
 156
 157         /* We need to enter a lock here, since the binutils disassembler
 158            is not reentrant-able and we could not read functions printed
 159            at the same time. */
 160
 161         LOCK_MONITOR_ENTER(show_global_lock);
 162
 163 #if defined(ENABLE_INTRP)
 164         if (opt_intrp)
 165                 irstage = SHOW_PARSE;
 166         else
 167 #endif
 168                 irstage = stage;
 169
 170         /* get the last basic block */
 171
 172         for (lastbptr = jd->basicblocks; lastbptr->next != NULL; lastbptr = lastbptr->next);
 173
 174         printf("\n");
 175
 176         method_println(m);
 177
 178         if (code_is_leafmethod(code))
 179                 printf("LEAFMETHOD\n");
 180
 181         printf("\nBasic blocks: %d\n", jd->basicblockcount);
 182         if (stage >= SHOW_CODE) {
 183                 printf("Code length:  %d\n", (lastbptr->mpc - jd->basicblocks[0].mpc));
 184                 printf("Data length:  %d\n", cd->dseglen);
 185                 printf("Stub length:  %d\n", (s4) (code->mcodelength -
 186                                                                                    ((ptrint) cd->dseglen + lastbptr->mpc)));
 187         }
 188         printf("Variables:       %d (%d used)\n", jd->varcount, jd->vartop);
 189         if (stage >= SHOW_STACK)
 190                 printf("Max interfaces:  %d\n", jd->maxinterfaces);
 191         printf("Max locals:      %d\n", jd->maxlocals);
 192         printf("Max stack:       %d\n", m->maxstack);
 193         printf("Linenumbers:     %d\n", m->linenumbercount);
 194         printf("Branch to entry: %s\n", (jd->branchtoentry) ? "yes" : "no");
 195         printf("Branch to end:   %s\n", (jd->branchtoend) ? "yes" : "no");
 196         if (stage >= SHOW_STACK) {
 197                 printf("Number of RETURNs: %d", jd->returncount);
 198                 if (jd->returncount == 1)
 199                         printf(" (block L%03d)", jd->returnblock->nr);
 200                 printf("\n");
 201         }
 202
 203         if (stage >= SHOW_PARSE) {
 204                 printf("Exceptions (Number: %d):\n", jd->exceptiontablelength);
 205                 for (ex = jd->exceptiontable; ex != NULL; ex = ex->down) {
 206                         printf("    L%03d ... ", ex->start->nr );
 207                         printf("L%03d  = ", ex->end->nr);
 208                         printf("L%03d", ex->handler->nr);
 209                         printf("  (catchtype: ");
 210                         if (ex->catchtype.any)
 211                                 if (IS_CLASSREF(ex->catchtype))
 212                                         class_classref_print(ex->catchtype.ref);
 213                                 else
 214                                         class_print(ex->catchtype.cls);
 215                         else
 216                                 printf("ANY");
 217                         printf(")\n");
 218                 }
 219         }
 220
 221         if (irstage >= SHOW_PARSE && rd && jd->localcount > 0) {
 222                 printf("Local Table:\n");
 223                 for (i = 0; i < jd->localcount; i++) {
 224                         printf("   %3d: ", i);
 225
 226 #if defined(ENABLE_JIT) && defined(ENABLE_DISASSEMBLER)
 227 # if defined(ENABLE_INTRP)
 228                         if (!opt_intrp) {
 229 # endif
 230                                 printf("   (%s) ", show_jit_type_names[VAR(i)->type]);
 231                                 if (irstage >= SHOW_REGS)
 232                                         show_allocation(VAR(i)->type, VAR(i)->flags, VAR(i)->vv.regoff);
 233                                 printf("\n");
 234 # if defined(ENABLE_INTRP)
 235                         }
 236 # endif
 237 #endif /* defined(ENABLE_JIT) && defined(ENABLE_DISASSEMBLER) */
 238                 }
 239                 printf("\n");
 240         }
 241
 242         if (jd->maxlocals > 0 && jd->local_map != NULL) {
 243                 printf("Local Map:\n");
 244                 printf("    index ");
 245                 for (j = 0; j < jd->maxlocals; j++) {
 246                         printf(" [%2d]", j);
 247                 }
 248                 printf("\n");
 249                 for (i = 0; i < 5; i++) {
 250                         printf("    %5s ",show_jit_type_names[i]);
 251                         for (j = 0; j < jd->maxlocals; j++) {
 252                                 if (jd->local_map[j*5+i] == UNUSED)
 253                                         printf("  -- ");
 254                                 else
 255                                         printf("%4i ",jd->local_map[j*5+i]);
 256                         }
 257                         printf("\n");
 258                 }
 259                 printf("\n");
 260         }
 261
 262         if (jd->maxinterfaces > 0 && jd->interface_map && irstage >= SHOW_STACK) {
 263                 bool exist = false;
 264                 interface_info *mapptr = jd->interface_map;
 265
 266                 /* look if there exist any INOUTS */
 267                 for (i = 0; (i < (5 * jd->maxinterfaces)) && !exist; i++, mapptr++)
 268                         exist = (mapptr->flags != UNUSED);
 269
 270                 if (exist) {
 271                         printf("Interface Table: (In/Outvars)\n");
 272                         printf("    depth ");
 273                         for (j = 0; j < jd->maxinterfaces; j++) {
 274                                 printf("      [%2d]", j);
 275                         }
 276                         printf("\n");
 277
 278                         for (i = 0; i < 5; i++) {
 279                                 printf("    %5s      ",show_jit_type_names[i]);
 280                                 for (j = 0; j < jd->maxinterfaces; j++) {
 281                                         s4 flags  = jd->interface_map[j*5+i].flags;
 282                                         s4 regoff = jd->interface_map[j*5+i].regoff;
 283                                         if (flags == UNUSED)
 284                                                 printf("  --      ");
 285                                         else {
 286                                                 int ch;
 287
 288                                                 if (irstage >= SHOW_REGS) {
 289                                                         if (flags & SAVEDVAR) {
 290                                                                 if (flags & INMEMORY)
 291                                                                         ch = 'M';
 292                                                                 else
 293                                                                         ch = 'R';
 294                                                         }
 295                                                         else {
 296                                                                 if (flags & INMEMORY)
 297                                                                         ch = 'm';
 298                                                                 else
 299                                                                         ch = 'r';
 300                                                         }
 301                                                         printf("%c%03d(", ch, regoff);
 302                                                         show_allocation(i, flags, regoff);
 303                                                         printf(") ");
 304                                                 }
 305                                                 else {
 306                                                         if (flags & SAVEDVAR)
 307                                                                 printf("  I       ");
 308                                                         else
 309                                                                 printf("  i       ");
 310                                                 }
 311                                         }
 312                                 }
 313                                 printf("\n");
 314                         }
 315                         printf("\n");
 316                 }
 317         }
 318
 319         if (rd->memuse && irstage >= SHOW_REGS) {
 320                 int max;
 321
 322                 max = rd->memuse;
 323                 printf("Stack slots: (memuse=%d", rd->memuse);
 324                 if (irstage >= SHOW_CODE) {
 325                         printf(", stackframesize=%d", cd->stackframesize);
 326                         max = cd->stackframesize;
 327                 }
 328                 printf(")\n");
 329                 for (i = 0; i < max; ++i) {
 330 #if defined(HAS_4BYTE_STACKSLOT)
 331                         printf("    M%02d = 0x%02x(sp): ", i, i * 4);
 332 #else
 333                         printf("    M%02d = 0x%02x(sp): ", i, i * 8);
 334 #endif
 335                         for (j = 0; j < jd->vartop; ++j) {
 336                                 varinfo *v = VAR(j);
 337                                 if ((v->flags & INMEMORY) && (v->vv.regoff == i)) {
 338                                         show_variable(jd, j, irstage);
 339                                         putchar(' ');
 340                                 }
 341                         }
 342
 343                         printf("\n");
 344
 345                 }
 346                 printf("\n");
 347         }
 348
 349 #if defined(ENABLE_REPLACEMENT)
 350         if (code->rplpoints) {
 351                 printf("Replacement Points:\n");
 352                 replace_show_replacement_points(code);
 353                 printf("\n");
 354         }
 355 #endif /* defined(ENABLE_REPLACEMENT) */
 356
 357 #if defined(ENABLE_DISASSEMBLER)
 358         /* show code before first basic block */
 359
 360         if ((stage >= SHOW_CODE) && JITDATA_HAS_FLAG_SHOWDISASSEMBLE(jd)) {
 361                 pc = (u1 *) ((ptrint) code->mcode + cd->dseglen);
 362
 363                 for (; pc < (u1 *) ((ptrint) code->mcode + cd->dseglen + jd->basicblocks[0].mpc);)
 364                         DISASSINSTR(pc);
 365
 366                 printf("\n");
 367         }
 368 #endif
 369
 370         /* show code of all basic blocks */
 371
 372         for (bptr = jd->basicblocks; bptr != NULL; bptr = bptr->next)
 373                 show_basicblock(jd, bptr, stage);
 374
 375 #if 0 && defined(ENABLE_DISASSEMBLER)
 376         /* show code after last basic block */
 377
 378         if (stage >= SHOW_CODE && opt_showdisassemble) {
 379                 printf("\nStubs code:\n");
 380                 printf("Length: %d\n\n", (s4) (code->mcodelength -
 381                                                                            ((ptrint) cd->dseglen + lastbptr->mpc)));
 382
 383                 pc = (u1 *) ((ptrint) code->mcode + cd->dseglen + lastbptr->mpc);
 384
 385                 for (; (ptrint) pc < ((ptrint) code->mcode + code->mcodelength);)
 386                         DISASSINSTR(pc);
 387
 388                 printf("\n");
 389         }
 390 #endif
 391
 392         LOCK_MONITOR_EXIT(show_global_lock);
 393
 394         /* finally flush the output */
 395
 396         fflush(stdout);
 397 }
 398 #endif /* !defined(NDEBUG) */
 399
 400
 401 #if !defined(NDEBUG) && defined(ENABLE_INLINING)
 402 static void show_inline_info(jitdata *jd, insinfo_inline *ii, s4 opcode, s4 stage)
 403 {
 404         s4 *jl;
 405         s4 n;
 406
 407         printf("(pt %d+%d+%d st ",
 408                         ii->throughcount - (ii->stackvarscount - ii->paramcount),
 409                         ii->stackvarscount - ii->paramcount,
 410                         ii->paramcount);
 411         show_variable_array(jd, ii->stackvars, ii->stackvarscount, stage);
 412
 413         if (opcode == ICMD_INLINE_START || opcode == ICMD_INLINE_END) {
 414                 printf(" jl ");
 415                 jl = (opcode == ICMD_INLINE_START) ? ii->javalocals_start : ii->javalocals_end;
 416                 n = (opcode == ICMD_INLINE_START) ? ii->method->maxlocals : ii->outer->maxlocals;
 417                 show_javalocals_array(jd, jl, n, stage);
 418         }
 419
 420         printf(") ");
 421
 422 #if 0
 423         printf("(");
 424         method_print(ii->outer);
 425         printf(" ==> ");
 426 #endif
 427
 428         method_print(ii->method);
 429 }
 430 #endif /* !defined(NDEBUG) && defined(ENABLE_INLINING) */
 431
 432
 433 /* show_basicblock *************************************************************
 434
 435    Print the intermediate representation of a basic block.
 436
 437    NOTE: Currently this function may only be called after register allocation!
 438
 439 *******************************************************************************/
 440
 441 #if !defined(NDEBUG)
 442 void show_basicblock(jitdata *jd, basicblock *bptr, int stage)
 443 {
 444         codeinfo    *code;
 445         codegendata *cd;
 446         s4           i;
 447         bool         deadcode;
 448         instruction *iptr;
 449         int          irstage;
 450 #if defined(ENABLE_DISASSEMBLER)
 451         methodinfo  *m;                     /* this is only a dummy               */
 452         void        *pc;
 453         s4           linenumber;
 454         s4           currentlinenumber;
 455 #endif
 456
 457         /* get required compiler data */
 458
 459         code = jd->code;
 460         cd   = jd->cd;
 461
 462         if (bptr->flags != BBDELETED) {
 463 #if defined(ENABLE_INTRP)
 464                 if (opt_intrp) {
 465                         deadcode = false;
 466                         irstage = SHOW_PARSE;
 467                 }
 468                 else
 469 #endif
 470                 {
 471                         deadcode = (bptr->flags < BBREACHED);
 472                         irstage = stage;
 473                 }
 474
 475                 printf("======== %sL%03d ======== %s(flags: %d, bitflags: %01x, next: %d, type: ",
 476 #if defined(ENABLE_REPLACEMENT)
 477                                 (bptr->bitflags & BBFLAG_REPLACEMENT) ? "<REPLACE> " :
 478 #endif
 479                                                                                                                 "",
 480                            bptr->nr,
 481                            (deadcode && stage >= SHOW_STACK) ? "DEADCODE! " : "",
 482                            bptr->flags, bptr->bitflags,
 483                            (bptr->next) ? (bptr->next->nr) : -1);
 484
 485                 switch (bptr->type) {
 486                 case BBTYPE_STD:
 487                         printf("STD");
 488                         break;
 489                 case BBTYPE_EXH:
 490                         printf("EXH");
 491                         break;
 492                 case BBTYPE_SBR:
 493                         printf("SBR");
 494                         break;
 495                 }
 496
 497                 printf(", icount: %d", bptr->icount);
 498
 499                 if (irstage >= SHOW_CFG) {
 500                         printf(", preds: %d [ ", bptr->predecessorcount);
 501
 502                         for (i = 0; i < bptr->predecessorcount; i++)
 503                                 printf("%d ", bptr->predecessors[i]->nr);
 504
 505                         printf("]");
 506                 }
 507
 508                 printf("):");
 509
 510                 if (bptr->original)
 511                         printf(" (clone of L%03d)", bptr->original->nr);
 512                 else {
 513                         basicblock *b = bptr->copied_to;
 514                         if (b) {
 515                                 printf(" (copied to ");
 516                                 for (; b; b = b->copied_to)
 517                                         printf("L%03d ", b->nr);
 518                                 printf(")");
 519                         }
 520                 }
 521
 522                 printf("\n");
 523
 524                 if (irstage >= SHOW_CFG) {
 525                         printf("succs: %d [ ", bptr->successorcount);
 526
 527                         for (i = 0; i < bptr->successorcount; i++)
 528                                 printf("%d ", bptr->successors[i]->nr);
 529
 530                         printf("]\n");
 531                 }
 532
 533                 if (irstage >= SHOW_STACK) {
 534                         printf("IN:  ");
 535                         show_variable_array(jd, bptr->invars, bptr->indepth, irstage);
 536                         printf(" javalocals: ");
 537                         if (bptr->javalocals)
 538                                 show_javalocals_array(jd, bptr->javalocals, bptr->method->maxlocals, irstage);
 539                         else
 540                                 printf("null");
 541                         printf("\n");
 542                 }
 543
 544 #if defined(ENABLE_INLINING)
 545                 if (bptr->inlineinfo) {
 546                         printf("inlineinfo: ");
 547                         show_inline_info(jd, bptr->inlineinfo, -1, irstage);
 548                         printf("\n");
 549                 }
 550 #endif /* defined(ENABLE_INLINING) */
 551
 552                 iptr = bptr->iinstr;
 553
 554                 for (i = 0; i < bptr->icount; i++, iptr++) {
 555                         printf("%4d:%4d:  ", iptr->line, iptr->flags.bits >> INS_FLAG_ID_SHIFT);
 556
 557                         show_icmd(jd, iptr, deadcode, irstage);
 558                         printf("\n");
 559                 }
 560
 561                 if (irstage >= SHOW_STACK) {
 562                         printf("OUT: ");
 563                         show_variable_array(jd, bptr->outvars, bptr->outdepth, irstage);
 564                         printf("\n");
 565                 }
 566
 567 #if defined(ENABLE_DISASSEMBLER)
 568                 if ((stage >= SHOW_CODE) && JITDATA_HAS_FLAG_SHOWDISASSEMBLE(jd) &&
 569                         (!deadcode))
 570                 {
 571                         printf("\n");
 572                         pc         = (void *) (code->mcode + cd->dseglen + bptr->mpc);
 573                         linenumber = 0;
 574
 575                         if (bptr->next != NULL) {
 576                                 for (; pc < (void *) (code->mcode + cd->dseglen + bptr->next->mpc);) {
 577                                         currentlinenumber =
 578                                                 linenumbertable_linenumber_for_pc(&m, code, pc);
 579
 580                                         if (currentlinenumber != linenumber) {
 581                                                 linenumber = currentlinenumber;
 582                                                 printf("%4d:\n", linenumber);
 583                                         }
 584
 585                                         DISASSINSTR(pc);
 586                                 }
 587                         }
 588                         else {
 589                                 for (; pc < (void *) (code->mcode + code->mcodelength);) {
 590                                         currentlinenumber =
 591                                                 linenumbertable_linenumber_for_pc(&m, code, pc);
 592
 593                                         if (currentlinenumber != linenumber) {
 594                                                 linenumber = currentlinenumber;
 595                                                 printf("%4d:\n", linenumber);
 596                                         }
 597
 598                                         DISASSINSTR(pc);
 599                                 }
 600                         }
 601                         printf("\n");
 602                 }
 603 #endif
 604         }
 605 }
 606 #endif /* !defined(NDEBUG) */
 607
 608
 609 /* show_icmd *******************************************************************
 610
 611    Print the intermediate representation of an instruction.
 612
 613    NOTE: Currently this function may only be called after register allocation!
 614
 615 *******************************************************************************/
 616
 617 #if !defined(NDEBUG)
 618
 619 #define SHOW_TARGET(target)                                          \
 620         if (stage >= SHOW_PARSE) {                                   \
 621             printf("--> L%03d ", (target).block->nr);                \
 622         }                                                            \
 623         else {                                                       \
 624             printf("--> insindex %d ", (target).insindex);           \
 625         }
 626
 627 #define SHOW_INT_CONST(val)                                          \
 628         if (stage >= SHOW_PARSE) {                                   \
 629             printf("%d (0x%08x) ", (int32_t) (val), (int32_t) (val)); \
 630         }                                                            \
 631         else {                                                       \
 632             printf("iconst ");                                       \
 633         }
 634
 635 #if SIZEOF_VOID_P == 4
 636 #define SHOW_LNG_CONST(val)                                          \
 637         if (stage >= SHOW_PARSE)                                     \
 638             printf("%lld (0x%016llx) ", (val), (val));               \
 639         else                                                         \
 640             printf("lconst ");
 641 #else
 642 #define SHOW_LNG_CONST(val)                                          \
 643         if (stage >= SHOW_PARSE)                                     \
 644             printf("%ld (0x%016lx) ", (val), (val));                 \
 645         else                                                         \
 646             printf("lconst ");
 647 #endif
 648
 649 #if SIZEOF_VOID_P == 4
 650 #define SHOW_ADR_CONST(val)                                          \
 651         if (stage >= SHOW_PARSE)                                     \
 652             printf("0x%08x ", (ptrint) (val));                       \
 653         else                                                         \
 654             printf("aconst ");
 655 #else
 656 #define SHOW_ADR_CONST(val)                                          \
 657         if (stage >= SHOW_PARSE)                                     \
 658             printf("0x%016lx ", (ptrint) (val));                     \
 659         else                                                         \
 660             printf("aconst ");
 661 #endif
 662
 663 #define SHOW_FLT_CONST(val)                                          \
 664         if (stage >= SHOW_PARSE) {                                   \
 665             imm_union v;                                             \
 666             v.f = (val);                                             \
 667             printf("%g (0x%08x) ", (val), v.i);                      \
 668         }                                                            \
 669         else {                                                       \
 670             printf("fconst ");                                       \
 671         }
 672
 673 #if SIZEOF_VOID_P == 4
 674 #define SHOW_DBL_CONST(val)                                          \
 675         if (stage >= SHOW_PARSE) {                                   \
 676             imm_union v;                                             \
 677             v.d = (val);                                             \
 678             printf("%g (0x%016llx) ", (val), v.l);                   \
 679         }                                                            \
 680         else                                                         \
 681             printf("dconst ");
 682 #else
 683 #define SHOW_DBL_CONST(val)                                          \
 684         if (stage >= SHOW_PARSE) {                                   \
 685             imm_union v;                                             \
 686             v.d = (val);                                             \
 687             printf("%g (0x%016lx) ", (val), v.l);                    \
 688         }                                                            \
 689         else                                                         \
 690             printf("dconst ");
 691 #endif
 692
 693 #define SHOW_INDEX(index)                                            \
 694         if (stage >= SHOW_PARSE) {                                   \
 695             printf("%d ", index);                                    \
 696         }                                                            \
 697         else {                                                       \
 698             printf("index");                                         \
 699         }
 700
 701 #define SHOW_STRING(val)                                             \
 702         if (stage >= SHOW_PARSE) {                                   \
 703             putchar('"');                                            \
 704             utf_display_printable_ascii(                             \
 705                javastring_toutf((java_handle_t *)(val), false));     \
 706             printf("\" ");                                           \
 707         }                                                            \
 708         else {                                                       \
 709             printf("string ");                                       \
 710         }
 711
 712 #define SHOW_CLASSREF_OR_CLASSINFO(c)                                \
 713         if (stage >= SHOW_PARSE) {                                   \
 714             if (IS_CLASSREF(c))                                      \
 715                 class_classref_print(c.ref);                         \
 716             else                                                     \
 717                 class_print(c.cls);                                  \
 718             putchar(' ');                                            \
 719         }                                                            \
 720         else {                                                       \
 721             printf("class ");                                        \
 722         }
 723
 724 #define SHOW_FIELD(fmiref)                                           \
 725         if (stage >= SHOW_PARSE) {                                   \
 726             field_fieldref_print(fmiref);                            \
 727             putchar(' ');                                            \
 728         }                                                            \
 729         else {                                                       \
 730             printf("field ");                                        \
 731         }
 732
 733 #define SHOW_VARIABLE(v)                                             \
 734     show_variable(jd, (v), stage)
 735
 736 #define SHOW_S1(iptr)                                                \
 737         if (stage >= SHOW_STACK) {                                   \
 738             SHOW_VARIABLE(iptr->s1.varindex);                        \
 739         }
 740
 741 #define SHOW_S2(iptr)                                                \
 742         if (stage >= SHOW_STACK) {                                   \
 743             SHOW_VARIABLE(iptr->sx.s23.s2.varindex);                 \
 744         }
 745
 746 #define SHOW_S3(iptr)                                                \
 747     if (stage >= SHOW_STACK) {                                       \
 748         SHOW_VARIABLE(iptr->sx.s23.s3.varindex);                     \
 749     }
 750
 751 #define SHOW_DST(iptr)                                               \
 752     if (stage >= SHOW_STACK) {                                       \
 753         printf("=> ");                                               \
 754         SHOW_VARIABLE(iptr->dst.varindex);                           \
 755     }
 756
 757 #define SHOW_S1_LOCAL(iptr)                                          \
 758     if (stage >= SHOW_STACK) {                                       \
 759         printf("L%d ", iptr->s1.varindex);                           \
 760     }                                                                \
 761     else {                                                           \
 762         printf("JavaL%d ", iptr->s1.varindex);                       \
 763     }
 764
 765 #define SHOW_DST_LOCAL(iptr)                                         \
 766     if (stage >= SHOW_STACK) {                                       \
 767         printf("=> L%d ", iptr->dst.varindex);                       \
 768     }                                                                \
 769     else {                                                           \
 770         printf("=> JavaL%d ", iptr->dst.varindex);                   \
 771     }
 772
 773 void show_allocation(s4 type, s4 flags, s4 regoff)
 774 {
 775         if (type == TYPE_RET) {
 776                 printf("N/A");
 777                 return;
 778         }
 779
 780         if (flags & INMEMORY) {
 781                 printf("M%02d", regoff);
 782                 return;
 783         }
 784
 785 #ifdef HAS_ADDRESS_REGISTER_FILE
 786         if (type == TYPE_ADR) {
 787                 printf("R%02d", regoff);
 788                 return;
 789         }
 790 #endif
 791
 792         if (IS_FLT_DBL_TYPE(type)) {
 793                 printf("F%02d", regoff);
 794                 return;
 795         }
 796
 797 #if defined(SUPPORT_COMBINE_INTEGER_REGISTERS)
 798         if (IS_2_WORD_TYPE(type)) {
 799 # if defined(ENABLE_JIT) && defined(ENABLE_DISASSEMBLER)
 800 #  if defined(ENABLE_INTRP)
 801                 if (opt_intrp)
 802                         printf("%3d/%3d", GET_LOW_REG(regoff),
 803                                         GET_HIGH_REG(regoff));
 804                 else
 805 #  endif
 806                         printf("%3s/%3s", abi_registers_integer_name[GET_LOW_REG(regoff)],
 807                                    abi_registers_integer_name[GET_HIGH_REG(regoff)]);
 808 # else
 809                 printf("%3d/%3d", GET_LOW_REG(regoff),
 810                            GET_HIGH_REG(regoff));
 811 # endif
 812                 return;
 813         }
 814 #endif /* defined(SUPPORT_COMBINE_INTEGER_REGISTERS) */
 815
 816 #if defined(ENABLE_JIT) && defined(ENABLE_DISASSEMBLER)
 817 # if defined(ENABLE_INTRP)
 818         if (opt_intrp)
 819                 printf("%3d", regoff);
 820         else
 821 # endif
 822                 printf("%3s", abi_registers_integer_name[regoff]);
 823 #else
 824         printf("%3d", regoff);
 825 #endif
 826 }
 827
 828 void show_variable(jitdata *jd, s4 index, int stage)
 829 {
 830         show_variable_intern(jd, index, stage);
 831         putchar(' ');
 832 }
 833
 834 static void show_variable_intern(jitdata *jd, s4 index, int stage)
 835 {
 836         char type;
 837         char kind;
 838         varinfo *v;
 839
 840         if (index < 0 || index >= jd->vartop) {
 841                 printf("<INVALID INDEX:%d>", index);
 842                 return;
 843         }
 844
 845         v = VAR(index);
 846
 847         switch (v->type) {
 848                 case TYPE_INT: type = 'i'; break;
 849                 case TYPE_LNG: type = 'l'; break;
 850                 case TYPE_FLT: type = 'f'; break;
 851                 case TYPE_DBL: type = 'd'; break;
 852                 case TYPE_ADR: type = 'a'; break;
 853                 case TYPE_RET: type = 'r'; break;
 854                 default:       type = '?';
 855         }
 856
 857         if (index < jd->localcount) {
 858                 kind = 'L';
 859                 if (v->flags & (PREALLOC | INOUT))
 860                                 printf("<INVALID FLAGS!>");
 861         }
 862         else {
 863                 if (v->flags & PREALLOC) {
 864                         kind = 'A';
 865                         if (v->flags & INOUT) {
 866                                 /* PREALLOC is used to avoid allocation of TYPE_RET */
 867                                 if (v->type == TYPE_RET)
 868                                         kind = 'i';
 869                                 else
 870                                         printf("<INVALID FLAGS!>");
 871                         }
 872                 }
 873                 else if (v->flags & INOUT)
 874                         kind = 'I';
 875                 else
 876                         kind = 'T';
 877         }
 878
 879         printf("%c%c%d", kind, type, index);
 880
 881         if (v->flags & SAVEDVAR)
 882                 putchar('!');
 883
 884         if (stage >= SHOW_REGS || (v->flags & PREALLOC)) {
 885                 putchar('(');
 886                 show_allocation(v->type, v->flags, v->vv.regoff);
 887                 putchar(')');
 888         }
 889
 890         if (v->type == TYPE_RET && (v->flags & PREALLOC)) {
 891                 printf("(L%03d)", v->vv.retaddr->nr);
 892         }
 893 }
 894
 895 static void show_variable_array_intern(jitdata *jd, s4 *vars, int n, int stage,
 896                                                                            bool javalocals)
 897 {
 898         int i;
 899         int nr;
 900
 901         if (vars == NULL) {
 902                 printf("<null>");
 903                 return;
 904         }
 905
 906         printf("[");
 907         for (i=0; i<n; ++i) {
 908                 if (i)
 909                         putchar(' ');
 910                 if (vars[i] < 0) {
 911                         if (vars[i] == UNUSED)
 912                                 putchar('-');
 913                         else if (javalocals) {
 914                                 nr = RETADDR_FROM_JAVALOCAL(vars[i]);
 915                                 printf("ret(L%03d)", nr);
 916                         }
 917                         else {
 918                                 printf("<INVALID INDEX:%d>", vars[i]);
 919                         }
 920                 }
 921                 else
 922                         show_variable_intern(jd, vars[i], stage);
 923         }
 924         printf("]");
 925 }
 926
 927 void show_variable_array(jitdata *jd, s4 *vars, int n, int stage)
 928 {
 929         show_variable_array_intern(jd, vars, n, stage, false);
 930 }
 931
 932 void show_javalocals_array(jitdata *jd, s4 *vars, int n, int stage)
 933 {
 934         show_variable_array_intern(jd, vars, n, stage, true);
 935 }
 936
 937 void show_icmd(jitdata *jd, instruction *iptr, bool deadcode, int stage)
 938 {
 939         u2                 opcode;
 940         branch_target_t   *table;
 941         lookup_target_t   *lookup;
 942         constant_FMIref   *fmiref;
 943         s4                *argp;
 944         s4                 i;
 945
 946         /* get the opcode and the condition */
 947
 948         opcode    =  iptr->opc;
 949
 950         printf("%s ", icmd_table[opcode].name);
 951
 952         if (stage < SHOW_PARSE)
 953                 return;
 954
 955         if (deadcode)
 956                 stage = SHOW_PARSE;
 957
 958         /* Print the condition for conditional instructions. */
 959
 960         /* XXX print condition from flags */
 961
 962         if (iptr->flags.bits & INS_FLAG_UNRESOLVED)
 963                 printf("(UNRESOLVED) ");
 964
 965         switch (opcode) {
 966
 967         case ICMD_POP:
 968         case ICMD_CHECKNULL:
 969                 SHOW_S1(iptr);
 970                 break;
 971
 972                 /* unary */
 973         case ICMD_ARRAYLENGTH:
 974         case ICMD_INEG:
 975         case ICMD_LNEG:
 976         case ICMD_FNEG:
 977         case ICMD_DNEG:
 978         case ICMD_I2L:
 979         case ICMD_I2F:
 980         case ICMD_I2D:
 981         case ICMD_L2I:
 982         case ICMD_L2F:
 983         case ICMD_L2D:
 984         case ICMD_F2I:
 985         case ICMD_F2L:
 986         case ICMD_F2D:
 987         case ICMD_D2I:
 988         case ICMD_D2L:
 989         case ICMD_D2F:
 990         case ICMD_INT2BYTE:
 991         case ICMD_INT2CHAR:
 992         case ICMD_INT2SHORT:
 993                 SHOW_S1(iptr);
 994                 SHOW_DST(iptr);
 995                 break;
 996
 997                 /* binary */
 998         case ICMD_IADD:
 999         case ICMD_LADD:
1000         case ICMD_FADD:
1001         case ICMD_DADD:
1002         case ICMD_ISUB:
1003         case ICMD_LSUB:
1004         case ICMD_FSUB:
1005         case ICMD_DSUB:
1006         case ICMD_IMUL:
1007         case ICMD_LMUL:
1008         case ICMD_FMUL:
1009         case ICMD_DMUL:
1010         case ICMD_IDIV:
1011         case ICMD_LDIV:
1012         case ICMD_FDIV:
1013         case ICMD_DDIV:
1014         case ICMD_IREM:
1015         case ICMD_LREM:
1016         case ICMD_FREM:
1017         case ICMD_DREM:
1018         case ICMD_ISHL:
1019         case ICMD_LSHL:
1020         case ICMD_ISHR:
1021         case ICMD_LSHR:
1022         case ICMD_IUSHR:
1023         case ICMD_LUSHR:
1024         case ICMD_IAND:
1025         case ICMD_LAND:
1026         case ICMD_IOR:
1027         case ICMD_LOR:
1028         case ICMD_IXOR:
1029         case ICMD_LXOR:
1030         case ICMD_LCMP:
1031         case ICMD_FCMPL:
1032         case ICMD_FCMPG:
1033         case ICMD_DCMPL:
1034         case ICMD_DCMPG:
1035                 SHOW_S1(iptr);
1036                 SHOW_S2(iptr);
1037                 SHOW_DST(iptr);
1038                 break;
1039
1040                 /* binary/const INT */
1041         case ICMD_IADDCONST:
1042         case ICMD_ISUBCONST:
1043         case ICMD_IMULCONST:
1044         case ICMD_IMULPOW2:
1045         case ICMD_IDIVPOW2:
1046         case ICMD_IREMPOW2:
1047         case ICMD_IANDCONST:
1048         case ICMD_IORCONST:
1049         case ICMD_IXORCONST:
1050         case ICMD_ISHLCONST:
1051         case ICMD_ISHRCONST:
1052         case ICMD_IUSHRCONST:
1053         case ICMD_LSHLCONST:
1054         case ICMD_LSHRCONST:
1055         case ICMD_LUSHRCONST:
1056                 SHOW_S1(iptr);
1057                 SHOW_INT_CONST(iptr->sx.val.i);
1058                 SHOW_DST(iptr);
1059                 break;
1060
1061                 /* ?ASTORECONST (trinary/const INT) */
1062         case ICMD_IASTORECONST:
1063         case ICMD_BASTORECONST:
1064         case ICMD_CASTORECONST:
1065         case ICMD_SASTORECONST:
1066                 SHOW_S1(iptr);
1067                 SHOW_S2(iptr);
1068                 SHOW_INT_CONST(iptr->sx.s23.s3.constval);
1069                 break;
1070
1071                 /* const INT */
1072         case ICMD_ICONST:
1073                 SHOW_INT_CONST(iptr->sx.val.i);
1074                 SHOW_DST(iptr);
1075                 break;
1076
1077                 /* binary/const LNG */
1078         case ICMD_LADDCONST:
1079         case ICMD_LSUBCONST:
1080         case ICMD_LMULCONST:
1081         case ICMD_LMULPOW2:
1082         case ICMD_LDIVPOW2:
1083         case ICMD_LREMPOW2:
1084         case ICMD_LANDCONST:
1085         case ICMD_LORCONST:
1086         case ICMD_LXORCONST:
1087                 SHOW_S1(iptr);
1088                 SHOW_LNG_CONST(iptr->sx.val.l);
1089                 SHOW_DST(iptr);
1090                 break;
1091
1092                 /* trinary/const LNG (<= pointer size) */
1093         case ICMD_LASTORECONST:
1094                 SHOW_S1(iptr);
1095                 SHOW_S2(iptr);
1096                 SHOW_ADR_CONST(iptr->sx.s23.s3.constval);
1097                 break;
1098
1099                 /* const LNG */
1100         case ICMD_LCONST:
1101                 SHOW_LNG_CONST(iptr->sx.val.l);
1102                 SHOW_DST(iptr);
1103                 break;
1104
1105                 /* const FLT */
1106         case ICMD_FCONST:
1107                 SHOW_FLT_CONST(iptr->sx.val.f);
1108                 SHOW_DST(iptr);
1109                 break;
1110
1111                 /* const DBL */
1112         case ICMD_DCONST:
1113                 SHOW_DBL_CONST(iptr->sx.val.d);
1114                 SHOW_DST(iptr);
1115                 break;
1116
1117                 /* const ADR */
1118         case ICMD_ACONST:
1119                 if (iptr->flags.bits & INS_FLAG_CLASS) {
1120                         SHOW_ADR_CONST(iptr->sx.val.anyptr);
1121                         SHOW_CLASSREF_OR_CLASSINFO(iptr->sx.val.c);
1122                 }
1123                 else if (iptr->sx.val.anyptr == NULL) {
1124                         printf("NULL ");
1125                 }
1126                 else {
1127                         SHOW_ADR_CONST(iptr->sx.val.anyptr);
1128                         SHOW_STRING(iptr->sx.val.stringconst);
1129                 }
1130                 SHOW_DST(iptr);
1131                 break;
1132
1133         case ICMD_AASTORECONST:
1134                 SHOW_S1(iptr);
1135                 SHOW_S2(iptr);
1136                 printf("%p ", (void*) iptr->sx.s23.s3.constval);
1137                 break;
1138
1139         case ICMD_GETFIELD:        /* 1 -> 1 */
1140         case ICMD_PUTFIELD:        /* 2 -> 0 */
1141         case ICMD_PUTSTATIC:       /* 1 -> 0 */
1142         case ICMD_GETSTATIC:       /* 0 -> 1 */
1143         case ICMD_PUTSTATICCONST:  /* 0 -> 0 */
1144         case ICMD_PUTFIELDCONST:   /* 1 -> 0 */
1145                 if (opcode != ICMD_GETSTATIC && opcode != ICMD_PUTSTATICCONST) {
1146                         SHOW_S1(iptr);
1147                         if (opcode == ICMD_PUTFIELD) {
1148                                 SHOW_S2(iptr);
1149                         }
1150                 }
1151                 INSTRUCTION_GET_FIELDREF(iptr, fmiref);
1152                 SHOW_FIELD(fmiref);
1153
1154                 if (opcode == ICMD_GETSTATIC || opcode == ICMD_GETFIELD) {
1155                         SHOW_DST(iptr);
1156                 }
1157                 break;
1158
1159         case ICMD_IINC:
1160                 SHOW_S1_LOCAL(iptr);
1161                 SHOW_INT_CONST(iptr->sx.val.i);
1162                 SHOW_DST_LOCAL(iptr);
1163                 break;
1164
1165         case ICMD_IASTORE:
1166         case ICMD_SASTORE:
1167         case ICMD_BASTORE:
1168         case ICMD_CASTORE:
1169         case ICMD_LASTORE:
1170         case ICMD_DASTORE:
1171         case ICMD_FASTORE:
1172         case ICMD_AASTORE:
1173                 SHOW_S1(iptr);
1174                 SHOW_S2(iptr);
1175                 SHOW_S3(iptr);
1176                 break;
1177
1178         case ICMD_IALOAD:
1179         case ICMD_SALOAD:
1180         case ICMD_BALOAD:
1181         case ICMD_CALOAD:
1182         case ICMD_LALOAD:
1183         case ICMD_DALOAD:
1184         case ICMD_FALOAD:
1185         case ICMD_AALOAD:
1186                 SHOW_S1(iptr);
1187                 SHOW_S2(iptr);
1188                 SHOW_DST(iptr);
1189                 break;
1190
1191         case ICMD_RET:
1192                 SHOW_S1_LOCAL(iptr);
1193                 if (stage >= SHOW_STACK) {
1194                         printf(" ---> L%03d", iptr->dst.block->nr);
1195                 }
1196                 break;
1197
1198         case ICMD_ILOAD:
1199         case ICMD_LLOAD:
1200         case ICMD_FLOAD:
1201         case ICMD_DLOAD:
1202         case ICMD_ALOAD:
1203                 SHOW_S1_LOCAL(iptr);
1204                 SHOW_DST(iptr);
1205                 break;
1206
1207         case ICMD_ISTORE:
1208         case ICMD_LSTORE:
1209         case ICMD_FSTORE:
1210         case ICMD_DSTORE:
1211         case ICMD_ASTORE:
1212                 SHOW_S1(iptr);
1213                 SHOW_DST_LOCAL(iptr);
1214                 if (stage >= SHOW_STACK && iptr->sx.s23.s3.javaindex != UNUSED)
1215                         printf(" (javaindex %d)", iptr->sx.s23.s3.javaindex);
1216                 if (iptr->flags.bits & INS_FLAG_RETADDR) {
1217                         printf(" (retaddr L%03d)", RETADDR_FROM_JAVALOCAL(iptr->sx.s23.s2.retaddrnr));
1218                 }
1219                 break;
1220
1221         case ICMD_NEW:
1222                 SHOW_DST(iptr);
1223                 break;
1224
1225         case ICMD_NEWARRAY:
1226                 SHOW_DST(iptr);
1227                 break;
1228
1229         case ICMD_ANEWARRAY:
1230                 SHOW_DST(iptr);
1231                 break;
1232
1233         case ICMD_MULTIANEWARRAY:
1234                 if (stage >= SHOW_STACK) {
1235                         argp = iptr->sx.s23.s2.args;
1236                         i = iptr->s1.argcount;
1237                         while (i--) {
1238                                 SHOW_VARIABLE(*(argp++));
1239                         }
1240                 }
1241                 else {
1242                         printf("argcount=%d ", iptr->s1.argcount);
1243                 }
1244                 class_classref_or_classinfo_print(iptr->sx.s23.s3.c);
1245                 putchar(' ');
1246                 SHOW_DST(iptr);
1247                 break;
1248
1249         case ICMD_CHECKCAST:
1250                 SHOW_S1(iptr);
1251                 class_classref_or_classinfo_print(iptr->sx.s23.s3.c);
1252                 putchar(' ');
1253                 SHOW_DST(iptr);
1254                 break;
1255
1256         case ICMD_INSTANCEOF:
1257                 SHOW_S1(iptr);
1258                 SHOW_DST(iptr);
1259                 break;
1260
1261         case ICMD_INLINE_START:
1262         case ICMD_INLINE_END:
1263         case ICMD_INLINE_BODY:
1264 #if defined(ENABLE_INLINING)
1265                 {
1266                         insinfo_inline *ii = iptr->sx.s23.s3.inlineinfo;
1267                         show_inline_info(jd, ii, opcode, stage);
1268                 }
1269 #endif
1270                 break;
1271
1272         case ICMD_BUILTIN:
1273                 if (stage >= SHOW_STACK) {
1274                         argp = iptr->sx.s23.s2.args;
1275                         i = iptr->s1.argcount;
1276                         while (i--) {
1277                                 if ((iptr->s1.argcount - 1 - i) == iptr->sx.s23.s3.bte->md->paramcount)
1278                                         printf(" pass-through: ");
1279                                 SHOW_VARIABLE(*(argp++));
1280                         }
1281                 }
1282                 printf("%s ", iptr->sx.s23.s3.bte->cname);
1283                 if (iptr->sx.s23.s3.bte->md->returntype.type != TYPE_VOID) {
1284                         SHOW_DST(iptr);
1285                 }
1286                 break;
1287
1288         case ICMD_INVOKEVIRTUAL:
1289         case ICMD_INVOKESPECIAL:
1290         case ICMD_INVOKESTATIC:
1291         case ICMD_INVOKEINTERFACE:
1292                 if (stage >= SHOW_STACK) {
1293                         methoddesc *md;
1294                         INSTRUCTION_GET_METHODDESC(iptr, md);
1295                         argp = iptr->sx.s23.s2.args;
1296                         i = iptr->s1.argcount;
1297                         while (i--) {
1298                                 if ((iptr->s1.argcount - 1 - i) == md->paramcount)
1299                                         printf(" pass-through: ");
1300                                 SHOW_VARIABLE(*(argp++));
1301                         }
1302                 }
1303                 INSTRUCTION_GET_METHODREF(iptr, fmiref);
1304                 method_methodref_print(fmiref);
1305                 if (fmiref->parseddesc.md->returntype.type != TYPE_VOID) {
1306                         putchar(' ');
1307                         SHOW_DST(iptr);
1308                 }
1309                 break;
1310
1311         case ICMD_IFEQ:
1312         case ICMD_IFNE:
1313         case ICMD_IFLT:
1314         case ICMD_IFGE:
1315         case ICMD_IFGT:
1316         case ICMD_IFLE:
1317                 SHOW_S1(iptr);
1318                 SHOW_INT_CONST(iptr->sx.val.i);
1319                 SHOW_TARGET(iptr->dst);
1320                 break;
1321
1322         case ICMD_IF_LEQ:
1323         case ICMD_IF_LNE:
1324         case ICMD_IF_LLT:
1325         case ICMD_IF_LGE:
1326         case ICMD_IF_LGT:
1327         case ICMD_IF_LLE:
1328                 SHOW_S1(iptr);
1329                 SHOW_LNG_CONST(iptr->sx.val.l);
1330                 SHOW_TARGET(iptr->dst);
1331                 break;
1332
1333         case ICMD_GOTO:
1334                 SHOW_TARGET(iptr->dst);
1335                 break;
1336
1337         case ICMD_JSR:
1338                 SHOW_TARGET(iptr->sx.s23.s3.jsrtarget);
1339                 SHOW_DST(iptr);
1340                 break;
1341
1342         case ICMD_IFNULL:
1343         case ICMD_IFNONNULL:
1344                 SHOW_S1(iptr);
1345                 SHOW_TARGET(iptr->dst);
1346                 break;
1347
1348         case ICMD_IF_ICMPEQ:
1349         case ICMD_IF_ICMPNE:
1350         case ICMD_IF_ICMPLT:
1351         case ICMD_IF_ICMPGE:
1352         case ICMD_IF_ICMPGT:
1353         case ICMD_IF_ICMPLE:
1354
1355         case ICMD_IF_LCMPEQ:
1356         case ICMD_IF_LCMPNE:
1357         case ICMD_IF_LCMPLT:
1358         case ICMD_IF_LCMPGE:
1359         case ICMD_IF_LCMPGT:
1360         case ICMD_IF_LCMPLE:
1361
1362         case ICMD_IF_ACMPEQ:
1363         case ICMD_IF_ACMPNE:
1364                 SHOW_S1(iptr);
1365                 SHOW_S2(iptr);
1366                 SHOW_TARGET(iptr->dst);
1367                 break;
1368
1369         case ICMD_TABLESWITCH:
1370                 SHOW_S1(iptr);
1371                 table = iptr->dst.table;
1372
1373                 i = iptr->sx.s23.s3.tablehigh - iptr->sx.s23.s2.tablelow + 1;
1374
1375                 printf("high=%d low=%d count=%d\n", iptr->sx.s23.s3.tablehigh, iptr->sx.s23.s2.tablelow, i);
1376                 while (--i >= 0) {
1377                         printf("\t\t%d --> ", (int) (table - iptr->dst.table));
1378                         printf("L%03d\n", table->block->nr);
1379                         table++;
1380                 }
1381
1382                 break;
1383
1384         case ICMD_LOOKUPSWITCH:
1385                 SHOW_S1(iptr);
1386
1387                 printf("count=%d, default=L%03d\n",
1388                            iptr->sx.s23.s2.lookupcount,
1389                            iptr->sx.s23.s3.lookupdefault.block->nr);
1390
1391                 lookup = iptr->dst.lookup;
1392                 i = iptr->sx.s23.s2.lookupcount;
1393
1394                 while (--i >= 0) {
1395                         printf("\t\t%d --> L%03d\n",
1396                                    lookup->value,
1397                                    lookup->target.block->nr);
1398                         lookup++;
1399                 }
1400                 break;
1401
1402         case ICMD_FRETURN:
1403         case ICMD_IRETURN:
1404         case ICMD_DRETURN:
1405         case ICMD_LRETURN:
1406                 SHOW_S1(iptr);
1407                 break;
1408
1409         case ICMD_ARETURN:
1410         case ICMD_ATHROW:
1411                 SHOW_S1(iptr);
1412                 if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
1413                         /* XXX this needs more work */
1414 #if 0
1415                         unresolved_class_debug_dump(iptr->sx.s23.s2.uc, stdout);
1416 #endif
1417                 }
1418                 break;
1419
1420         case ICMD_COPY:
1421         case ICMD_MOVE:
1422                 SHOW_S1(iptr);
1423                 SHOW_DST(iptr);
1424                 break;
1425         case ICMD_GETEXCEPTION:
1426                 SHOW_DST(iptr);
1427                 break;
1428         }
1429         fflush(stdout);
1430 }
1431 #endif /* !defined(NDEBUG) */
1432
1433 /* Debug output filtering */
1434
1435 #if defined(ENABLE_DEBUG_FILTER)
1436
1437 #if !defined(ENABLE_THREADS)
1438 u2 _no_threads_filterverbosecallctr[2] = { 0, 0 };
1439 #endif
1440
1441 struct show_filter {
1442         /* Boolean indicating if filter is enabled. */
1443         u1 enabled;
1444         /* Regular expression the method name is matched against */
1445         regex_t regex;
1446         /* Flag set on m->filtermatches if regex matches */
1447         u1 flag;
1448 };
1449
1450 typedef struct show_filter show_filter_t;
1451
1452 #define SHOW_FILTERS_SIZE 3
1453
1454 /* Array of filters applyed on a method */
1455 static struct show_filter show_filters[SHOW_FILTERS_SIZE];
1456
1457 static void show_filter_init(show_filter_t *cf, const char *str, u1 flag, u1 default_flag, const char *description) {
1458         int err;
1459         char err_buf[128];
1460
1461         if (str) {
1462                 err = regcomp(&cf->regex, str, REG_EXTENDED | REG_NOSUB);
1463                 if (err != 0) {
1464                         regerror(err, &cf->regex, err_buf, sizeof(err_buf));
1465                         vm_abort(
1466                                 "Invalid value given for %s: `%s' (%s).",
1467                                 description, str, err_buf
1468                         );
1469                 }
1470                 cf->flag = flag;
1471                 cf->enabled = 1;
1472         } else {
1473                 cf->flag = default_flag;
1474                 cf->enabled = 0;
1475         }
1476 }
1477
1478 void show_filters_init(void) {
1479
1480         show_filter_init(
1481                 show_filters + 0,
1482                 opt_filter_verbosecall_include,
1483                 SHOW_FILTER_FLAG_VERBOSECALL_INCLUDE,
1484                 SHOW_FILTER_FLAG_VERBOSECALL_INCLUDE,
1485                 "verbose call include filter"
1486         );
1487
1488         show_filter_init(
1489                 show_filters + 1,
1490                 opt_filter_verbosecall_exclude,
1491                 SHOW_FILTER_FLAG_VERBOSECALL_EXCLUDE,
1492                 0,
1493                 "verbose call exclude filter"
1494         );
1495
1496         show_filter_init(
1497                 show_filters + 2,
1498                 opt_filter_show_method,
1499                 SHOW_FILTER_FLAG_SHOW_METHOD,
1500                 SHOW_FILTER_FLAG_SHOW_METHOD,
1501                 "show method filter"
1502         );
1503 }
1504
1505 /*
1506
1507  (Pseudo)State machine:
1508
1509  States are INITIAL, INCLUDE1, INCLUDE2, ..., EXCLUDE1, ..., EXCLUDE2, ...
1510
1511                                                         Enter              Enter
1512  Enter                                                  Include            Include
1513  Exclude                                                  | |                | |
1514   | |    Enter              Enter              Enter      | |     Enter      | |
1515   | |    Include            Include            Exclude    | |     Exclude    | |
1516   | v   --------->        ---------->        ---------->  | v   ---------->  | v
1517 INITIAL           INCLUDE1           INCLUDE2           EXCLUDE1           EXCLUDE2
1518   | ^   <---------        <----------        <----------  | ^   <----------  | ^
1519   | |    Exit               Exit               Exit       | |     Exit       | |
1520   | |    Include            Include            Exclude    | |     Exclude    | |
1521   | |                                                     | |                | |
1522  Exit                                                    Exit               Exit
1523  Exclude                                                 Include            Include
1524
1525   Verbose call scope is active if we are in a INCLUDE state.
1526
1527   State encoding:
1528
1529   INITIAL: ctr[0] == 0, ctr[1] == 0
1530   INCLUDEN: ctr[1] == N, ctr[1] == 0
1531   EXCLUDEN: ctr[1] == N
1532 */
1533
1534 void show_filters_apply(methodinfo *m) {
1535         int i;
1536         int res;
1537         char *method_name;
1538         s4 len;
1539         int32_t dumpmarker;
1540
1541         /* compose full name of method */
1542
1543         len =
1544                 utf_bytes(m->clazz->name) +
1545                 1 +
1546                 utf_bytes(m->name) +
1547                 utf_bytes(m->descriptor) +
1548                 1;
1549
1550         DMARKER;
1551
1552         method_name = DMNEW(char, len);
1553
1554         utf_cat_classname(method_name, m->clazz->name);
1555         strcat(method_name, ".");
1556         utf_cat(method_name, m->name);
1557         utf_cat(method_name, m->descriptor);
1558
1559         /* reset all flags */
1560
1561         m->filtermatches = 0;
1562
1563         for (i = 0; i < SHOW_FILTERS_SIZE; ++i) {
1564                 if (show_filters[i].enabled) {
1565
1566                         res = regexec(&show_filters[i].regex, method_name, 0, NULL, 0);
1567
1568                         if (res == 0) {
1569                                 m->filtermatches |= show_filters[i].flag;
1570                         }
1571                 } else {
1572                         /* Default is to show all */
1573                         m->filtermatches |= show_filters[i].flag;
1574                 }
1575         }
1576
1577         /* release memory */
1578
1579         DRELEASE;
1580 }
1581
1582 #define STATE_IS_INITIAL() ((FILTERVERBOSECALLCTR[0] == 0) && (FILTERVERBOSECALLCTR[1] == 0))
1583 #define STATE_IS_INCLUDE() ((FILTERVERBOSECALLCTR[0] > 0) && (FILTERVERBOSECALLCTR[1] == 0))
1584 #define STATE_IS_EXCLUDE() (FILTERVERBOSECALLCTR[1] > 0)
1585 #define EVENT_INCLUDE() (m->filtermatches & SHOW_FILTER_FLAG_VERBOSECALL_INCLUDE)
1586 #define EVENT_EXCLUDE() (m->filtermatches & SHOW_FILTER_FLAG_VERBOSECALL_EXCLUDE)
1587 #define TRANSITION_NEXT_INCLUDE() ++FILTERVERBOSECALLCTR[0]
1588 #define TRANSITION_PREV_INCLUDE() --FILTERVERBOSECALLCTR[0]
1589 #define TRANSITION_NEXT_EXCLUDE() ++FILTERVERBOSECALLCTR[1]
1590 #define TRANSITION_PREV_EXCLUDE() --FILTERVERBOSECALLCTR[1]
1591
1592 #if 0
1593 void dump_state() {
1594         if (STATE_IS_INITIAL()) printf("<INITIAL>\n");
1595         else if (STATE_IS_INCLUDE()) printf("<INCLUDE %hd>\n", FILTERVERBOSECALLCTR[0]);
1596         else if (STATE_IS_EXCLUDE()) printf("<EXCLUDE %hd>\n", FILTERVERBOSECALLCTR[1]);
1597 }
1598 #endif
1599
1600 int show_filters_test_verbosecall_enter(methodinfo *m) {
1601
1602         int force_show = 0;
1603
1604         if (STATE_IS_INITIAL()) {
1605                 if (EVENT_INCLUDE()) {
1606                         TRANSITION_NEXT_INCLUDE();
1607                 }
1608         } else if (STATE_IS_INCLUDE()) {
1609                 if (EVENT_EXCLUDE()) {
1610                         TRANSITION_NEXT_EXCLUDE();
1611                         /* just entered exclude, show this method */
1612                         force_show = 1;
1613                 } else if (EVENT_INCLUDE()) {
1614                         TRANSITION_NEXT_INCLUDE();
1615                 }
1616         } else if (STATE_IS_EXCLUDE()) {
1617                 if (EVENT_EXCLUDE()) {
1618                         TRANSITION_NEXT_EXCLUDE();
1619                 }
1620         }
1621
1622         return STATE_IS_INCLUDE() || force_show;
1623 }
1624
1625 int show_filters_test_verbosecall_exit(methodinfo *m) {
1626
1627         int force_show = 0;
1628
1629         if (m) {
1630                 if (STATE_IS_INCLUDE()) {
1631                         if (EVENT_INCLUDE()) {
1632                                 TRANSITION_PREV_INCLUDE();
1633                                 /* just entered initial, show this method */
1634                                 if (STATE_IS_INITIAL()) force_show = 1;
1635                         }
1636             } else if (STATE_IS_EXCLUDE()) {
1637                         if (EVENT_EXCLUDE()) {
1638                                 TRANSITION_PREV_EXCLUDE();
1639                         }
1640                 }
1641         }
1642
1643         return STATE_IS_INCLUDE() || force_show;
1644 }
1645
1646 #endif
1647
1648
1649 /*
1650  * These are local overrides for various environment variables in Emacs.
1651  * Please do not remove this and leave it at the end of the file, where
1652  * Emacs will automagically detect them.
1653  * ---------------------------------------------------------------------
1654  * Local variables:
1655  * mode: c
1656  * indent-tabs-mode: t
1657  * c-basic-offset: 4
1658  * tab-width: 4
1659  * End:
1660  * vim:noexpandtab:sw=4:ts=4:
1661  */