src/vmcore/options.c

   1 /* src/vmcore/options.c - contains global options
   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 <limits.h>
  29 #include <stdint.h>
  30 #include <stdio.h>
  31 #include <stdlib.h>
  32
  33 #include "mm/memory.h"
  34
  35 #include "native/jni.h"
  36
  37 #include "vm/vm.h"
  38
  39 #include "vmcore/options.h"
  40 #include "vmcore/system.h"
  41
  42
  43 /* command line option ********************************************************/
  44
  45 s4    opt_index = 0;            /* index of processed arguments               */
  46 char *opt_arg;                  /* this one exports the option argument       */
  47
  48 bool opt_foo = false;           /* option for development                     */
  49
  50 bool opt_jar = false;
  51
  52 #if defined(ENABLE_JIT)
  53 bool opt_jit = true;            /* JIT mode execution (default)               */
  54 bool opt_intrp = false;         /* interpreter mode execution                 */
  55 #else
  56 bool opt_jit = false;           /* JIT mode execution                         */
  57 bool opt_intrp = true;          /* interpreter mode execution (default)       */
  58 #endif
  59
  60 bool opt_run = true;
  61
  62 s4   opt_heapmaxsize   = 0;     /* maximum heap size                          */
  63 s4   opt_heapstartsize = 0;     /* initial heap size                          */
  64 s4   opt_stacksize     = 0;     /* thread stack size                          */
  65
  66 bool opt_verbose = false;
  67 bool opt_debugcolor = false;    /* use ANSI terminal sequences                */
  68 bool compileall = false;
  69
  70 bool loadverbose = false;
  71 bool initverbose = false;
  72
  73 bool opt_verboseclass     = false;
  74 bool opt_verbosegc        = false;
  75 bool opt_verbosejni       = false;
  76 bool opt_verbosecall      = false;      /* trace all method invocation        */
  77
  78 bool showmethods = false;
  79 bool showconstantpool = false;
  80 bool showutf = false;
  81
  82 char *opt_method = NULL;
  83 char *opt_signature = NULL;
  84
  85 bool compileverbose =  false;           /* trace compiler actions             */
  86 bool showstack = false;
  87
  88 bool opt_showdisassemble    = false;    /* generate disassembler listing      */
  89 bool opt_shownops           = false;
  90 bool opt_showddatasegment   = false;    /* generate data segment listing      */
  91 bool opt_showintermediate   = false;    /* generate intermediate code listing */
  92
  93 bool checkbounds = true;       /* check array bounds                         */
  94 bool opt_noieee = false;       /* don't implement ieee compliant floats      */
  95 bool checksync = true;         /* do synchronization                         */
  96 #if defined(ENABLE_LOOP)
  97 bool opt_loops = false;        /* optimize array accesses in loops           */
  98 #endif
  99
 100 bool makeinitializations = true;
 101
 102 #if defined(ENABLE_STATISTICS)
 103 bool opt_stat    = false;
 104 bool opt_getloadingtime = false;   /* to measure the runtime                 */
 105 bool opt_getcompilingtime = false; /* compute compile time                   */
 106 #endif
 107 #if defined(ENABLE_VERIFIER)
 108 bool opt_verify  = true;       /* true if classfiles should be verified      */
 109 #endif
 110
 111 #if defined(ENABLE_PROFILING)
 112 bool opt_prof    = false;
 113 bool opt_prof_bb = false;
 114 #endif
 115
 116
 117 /* optimization options *******************************************************/
 118
 119 #if defined(ENABLE_IFCONV)
 120 bool opt_ifconv = false;
 121 #endif
 122
 123 #if defined(ENABLE_LSRA) || defined(ENABLE_SSA)
 124 bool opt_lsra = false;
 125 #endif
 126 #if defined(ENABLE_SSA)
 127 bool opt_ssa_dce = false;          /* enable dead code elemination */
 128 bool opt_ssa_cp = false;           /* enable copy propagation      */
 129 #endif
 130
 131
 132 /* interpreter options ********************************************************/
 133
 134 #if defined(ENABLE_INTRP)
 135 bool opt_no_dynamic = false;            /* suppress dynamic superinstructions */
 136 bool opt_no_replication = false;        /* don't use replication in intrp     */
 137 bool opt_no_quicksuper = false;         /* instructions for quickening cannot be
 138                                                                                    part of dynamic superinstructions */
 139
 140 s4   opt_static_supers = 0x7fffffff;
 141 bool vm_debug = false;          /* XXX this should be called `opt_trace'      */
 142 #endif
 143
 144 #if defined(ENABLE_DEBUG_FILTER)
 145 const char *opt_filter_verbosecall_include = 0;
 146 const char *opt_filter_verbosecall_exclude = 0;
 147 const char *opt_filter_show_method = 0;
 148 #endif
 149
 150
 151 /* -XX options ****************************************************************/
 152
 153 /* NOTE: For better readability keep these alpha-sorted. */
 154
 155 /* Options which must always be available (production options in
 156    HotSpot). */
 157
 158 int64_t  opt_MaxDirectMemorySize          = -1;
 159 int      opt_MaxPermSize                  = 0;
 160 int      opt_PermSize                     = 0;
 161 int      opt_ThreadStackSize              = 0;
 162
 163 /* Debugging options which can be turned off. */
 164
 165 int      opt_DebugExceptions              = 0;
 166 int      opt_DebugFinalizer               = 0;
 167 int      opt_DebugLocalReferences         = 0;
 168 int      opt_DebugLocks                   = 0;
 169 int      opt_DebugPackage                 = 0;
 170 int      opt_DebugPatcher                 = 0;
 171 int      opt_DebugProperties              = 0;
 172 int      opt_DebugStackFrameInfo          = 0;
 173 int      opt_DebugStackTrace              = 0;
 174 int      opt_DebugThreads                 = 0;
 175 #if defined(ENABLE_DISASSEMBLER)
 176 int      opt_DisassembleStubs             = 0;
 177 #endif
 178 #if defined(ENABLE_GC_CACAO)
 179 int      opt_GCDebugRootSet               = 0;
 180 int      opt_GCStress                     = 0;
 181 #endif
 182 #if defined(ENABLE_INLINING)
 183 int      opt_Inline                       = 0;
 184 #if defined(ENABLE_INLINING_DEBUG) || !defined(NDEBUG)
 185 int      opt_InlineAll                    = 0;
 186 int      opt_InlineCount                  = INT_MAX;
 187 int      opt_InlineMaxSize                = INT_MAX;
 188 int      opt_InlineMinSize                = 0;
 189 #endif
 190 #endif
 191 int      opt_PrintConfig                  = 0;
 192 int      opt_ProfileGCMemoryUsage         = 0;
 193 int      opt_ProfileMemoryUsage           = 0;
 194 FILE    *opt_ProfileMemoryUsageGNUPlot    = NULL;
 195 #if defined(ENABLE_REPLACEMENT)
 196 int      opt_TestReplacement              = 0;
 197 #endif
 198 int      opt_TraceCompilerCalls           = 0;
 199 int      opt_TraceExceptions              = 0;
 200 int      opt_TraceHPI                     = 0;
 201 #if defined(ENABLE_INLINING) && !defined(NDEBUG)
 202 int      opt_TraceInlining                = 0;
 203 #endif
 204 int      opt_TraceJavaCalls               = 0;
 205 int      opt_TraceJNICalls                = 0;
 206 int      opt_TraceJVMCalls                = 0;
 207 int      opt_TraceJVMCallsVerbose         = 0;
 208 int      opt_TraceLinkClass               = 0;
 209 #if defined(ENABLE_REPLACEMENT)
 210 int      opt_TraceReplacement             = 0;
 211 #endif
 212 int      opt_TraceSubsystemInitialization = 0;
 213 int      opt_TraceTraps                   = 0;
 214
 215
 216 enum {
 217         OPT_TYPE_BOOLEAN,
 218         OPT_TYPE_VALUE
 219 };
 220
 221 enum {
 222         /* Options which must always be available (production options in
 223            HotSpot). */
 224
 225         OPT_MaxDirectMemorySize,
 226         OPT_MaxPermSize,
 227         OPT_PermSize,
 228         OPT_ThreadStackSize,
 229
 230         /* Debugging options which can be turned off. */
 231
 232         OPT_DebugExceptions,
 233         OPT_DebugFinalizer,
 234         OPT_DebugLocalReferences,
 235         OPT_DebugLocks,
 236         OPT_DebugPackage,
 237         OPT_DebugPatcher,
 238         OPT_DebugProperties,
 239         OPT_DebugStackFrameInfo,
 240         OPT_DebugStackTrace,
 241         OPT_DebugThreads,
 242         OPT_DisassembleStubs,
 243         OPT_GCDebugRootSet,
 244         OPT_GCStress,
 245         OPT_Inline,
 246         OPT_InlineAll,
 247         OPT_InlineCount,
 248         OPT_InlineMaxSize,
 249         OPT_InlineMinSize,
 250         OPT_PrintConfig,
 251         OPT_ProfileGCMemoryUsage,
 252         OPT_ProfileMemoryUsage,
 253         OPT_ProfileMemoryUsageGNUPlot,
 254         OPT_TestReplacement,
 255         OPT_TraceCompilerCalls,
 256         OPT_TraceExceptions,
 257         OPT_TraceHPI,
 258         OPT_TraceInlining,
 259         OPT_TraceJavaCalls,
 260         OPT_TraceJNICalls,
 261         OPT_TraceJVMCalls,
 262         OPT_TraceJVMCallsVerbose,
 263         OPT_TraceLinkClass,
 264         OPT_TraceReplacement,
 265         OPT_TraceSubsystemInitialization,
 266         OPT_TraceTraps,
 267         OPT_Vmlog,
 268         OPT_VmlogStrings,
 269         OPT_VmlogIgnore
 270 };
 271
 272
 273 option_t options_XX[] = {
 274         /* Options which must always be available (production options in
 275            HotSpot). */
 276
 277         { "MaxDirectMemorySize",          OPT_MaxDirectMemorySize,          OPT_TYPE_VALUE,   "Maximum total size of NIO direct-buffer allocations" },
 278         { "MaxPermSize",                  OPT_MaxPermSize,                  OPT_TYPE_VALUE,   "not implemented" },
 279         { "PermSize",                     OPT_PermSize,                     OPT_TYPE_VALUE,   "not implemented" },
 280         { "ThreadStackSize",              OPT_ThreadStackSize,              OPT_TYPE_VALUE,   "TODO" },
 281
 282         /* Debugging options which can be turned off. */
 283
 284         { "DebugExceptions",              OPT_DebugExceptions,              OPT_TYPE_BOOLEAN, "debug exceptions" },
 285         { "DebugFinalizer",               OPT_DebugFinalizer,               OPT_TYPE_BOOLEAN, "debug finalizer thread" },
 286         { "DebugLocalReferences",         OPT_DebugLocalReferences,         OPT_TYPE_BOOLEAN, "print debug information for local reference tables" },
 287         { "DebugLocks",                   OPT_DebugLocks,                   OPT_TYPE_BOOLEAN, "print debug information for locks" },
 288         { "DebugPackage",                 OPT_DebugPackage,                 OPT_TYPE_BOOLEAN, "debug Java boot-packages" },
 289         { "DebugPatcher",                 OPT_DebugPatcher,                 OPT_TYPE_BOOLEAN, "debug JIT code patching" },
 290         { "DebugProperties",              OPT_DebugProperties,              OPT_TYPE_BOOLEAN, "print debug information for properties" },
 291         { "DebugStackFrameInfo",          OPT_DebugStackFrameInfo,          OPT_TYPE_BOOLEAN, "TODO" },
 292         { "DebugStackTrace",              OPT_DebugStackTrace,              OPT_TYPE_BOOLEAN, "debug stacktrace creation" },
 293         { "DebugThreads",                 OPT_DebugThreads,                 OPT_TYPE_BOOLEAN, "print debug information for threads" },
 294 #if defined(ENABLE_DISASSEMBLER)
 295         { "DisassembleStubs",             OPT_DisassembleStubs,             OPT_TYPE_BOOLEAN, "disassemble builtin and native stubs when generated" },
 296 #endif
 297 #if defined(ENABLE_GC_CACAO)
 298         { "GCDebugRootSet",               OPT_GCDebugRootSet,               OPT_TYPE_BOOLEAN, "GC: print root-set at collection" },
 299         { "GCStress",                     OPT_GCStress,                     OPT_TYPE_BOOLEAN, "GC: forced collection at every allocation" },
 300 #endif
 301 #if defined(ENABLE_INLINING)
 302         { "Inline",                       OPT_Inline,                       OPT_TYPE_BOOLEAN, "enable method inlining" },
 303 #if defined(ENABLE_INLINING_DEBUG) || !defined(NDEBUG)
 304         { "InlineAll",                    OPT_InlineAll,                    OPT_TYPE_BOOLEAN, "use inlining in all compilations" },
 305         { "InlineCount",                  OPT_InlineCount,                  OPT_TYPE_VALUE,   "stop inlining after the given number of roots" },
 306         { "InlineMaxSize",                OPT_InlineMaxSize,                OPT_TYPE_VALUE,   "maximum size for inlined result" },
 307         { "InlineMinSize",                OPT_InlineMinSize,                OPT_TYPE_VALUE,   "minimum size for inlined result" },
 308 #endif
 309 #endif
 310         { "PrintConfig",                  OPT_PrintConfig,                  OPT_TYPE_BOOLEAN, "print VM configuration" },
 311         { "ProfileGCMemoryUsage",         OPT_ProfileGCMemoryUsage,         OPT_TYPE_VALUE,   "profiles GC memory usage in the given interval, <value> is in seconds (default: 5)" },
 312         { "ProfileMemoryUsage",           OPT_ProfileMemoryUsage,           OPT_TYPE_VALUE,   "TODO" },
 313         { "ProfileMemoryUsageGNUPlot",    OPT_ProfileMemoryUsageGNUPlot,    OPT_TYPE_VALUE,   "TODO" },
 314 #if defined(ENABLE_REPLACEMENT)
 315         { "TestReplacement",              OPT_TestReplacement,              OPT_TYPE_BOOLEAN, "activate all replacement points during code generation" },
 316 #endif
 317         { "TraceCompilerCalls",           OPT_TraceCompilerCalls,           OPT_TYPE_BOOLEAN, "trace JIT compiler calls" },
 318         { "TraceExceptions",              OPT_TraceExceptions,              OPT_TYPE_BOOLEAN, "trace Exception throwing" },
 319         { "TraceHPI",                     OPT_TraceHPI,                     OPT_TYPE_BOOLEAN, "Trace Host Porting Interface (HPI)" },
 320 #if defined(ENABLE_INLINING) && !defined(NDEBUG)
 321         { "TraceInlining",                OPT_TraceInlining,                OPT_TYPE_VALUE,   "trace method inlining with the given verbosity level (default: 1)" },
 322 #endif
 323 #if !defined(ENABLE_VMLOG)
 324         { "TraceJavaCalls",               OPT_TraceJavaCalls,               OPT_TYPE_BOOLEAN, "trace Java method calls" },
 325 #endif
 326         { "TraceJNICalls",                OPT_TraceJNICalls,                OPT_TYPE_BOOLEAN, "trace JNI method calls" },
 327         { "TraceJVMCalls",                OPT_TraceJVMCalls,                OPT_TYPE_BOOLEAN, "trace JVM method calls but omit very frequent ones" },
 328         { "TraceJVMCallsVerbose",         OPT_TraceJVMCallsVerbose,         OPT_TYPE_BOOLEAN, "trace all JVM method calls" },
 329         { "TraceLinkClass",               OPT_TraceLinkClass,               OPT_TYPE_BOOLEAN, "trace class linking" },
 330 #if defined(ENABLE_REPLACEMENT)
 331         { "TraceReplacement",             OPT_TraceReplacement,             OPT_TYPE_VALUE,   "trace on-stack replacement with the given verbosity level (default: 1)" },
 332 #endif
 333         { "TraceSubsystemInitialization", OPT_TraceSubsystemInitialization, OPT_TYPE_BOOLEAN, "trace initialization of subsystems" },
 334         { "TraceTraps",                   OPT_TraceTraps,                   OPT_TYPE_BOOLEAN, "trace traps generated by JIT code" },
 335 #if defined(ENABLE_VMLOG)
 336         { "Vmlog",                        OPT_Vmlog,                        OPT_TYPE_VALUE,   "prefix for vmlog trace files (enables vmlog)" },
 337         { "VmlogStrings",                 OPT_VmlogStrings,                 OPT_TYPE_VALUE,   "prefix of vmlog string file to load" },
 338         { "VmlogIgnore",                  OPT_VmlogIgnore,                  OPT_TYPE_VALUE,   "prefix of vmlog ignore file to load" },
 339 #endif
 340
 341         /* end marker */
 342
 343         { NULL,                           -1,                               -1,               NULL }
 344 };
 345
 346
 347 /* options_get *****************************************************************
 348
 349    DOCUMENT ME!!!
 350
 351 *******************************************************************************/
 352
 353 int options_get(opt_struct *opts, JavaVMInitArgs *vm_args)
 354 {
 355         char *option;
 356         int   i;
 357
 358         if (opt_index >= vm_args->nOptions)
 359                 return OPT_DONE;
 360
 361         /* get the current option */
 362
 363         option = vm_args->options[opt_index].optionString;
 364
 365         if ((option == NULL) || (option[0] != '-'))
 366                 return OPT_DONE;
 367
 368         for (i = 0; opts[i].name; i++) {
 369                 if (!opts[i].arg) {
 370                         /* boolean option found */
 371
 372                         if (strcmp(option + 1, opts[i].name) == 0) {
 373                                 opt_index++;
 374                                 return opts[i].value;
 375                         }
 376
 377                 } else {
 378                         /* parameter option found */
 379
 380                         /* with a space between */
 381
 382                         if (strcmp(option + 1, opts[i].name) == 0) {
 383                                 opt_index++;
 384
 385                                 if (opt_index < vm_args->nOptions) {
 386                                         opt_arg = system_strdup(vm_args->options[opt_index].optionString);
 387                                         opt_index++;
 388                                         return opts[i].value;
 389                                 }
 390
 391                                 return OPT_ERROR;
 392
 393                         } else {
 394                                 /* parameter and option have no space between */
 395
 396                                 /* FIXME: this assumption is plain wrong, hits you if there is a
 397                                  * parameter with no argument starting with same letter as param with argument
 398                                  * but named after that one, ouch! */
 399
 400                                 size_t l = system_strlen(opts[i].name);
 401
 402                                 if (system_strlen(option + 1) > l) {
 403                                         if (memcmp(option + 1, opts[i].name, l) == 0) {
 404                                                 opt_index++;
 405                                                 opt_arg = system_strdup(option + 1 + l);
 406                                                 return opts[i].value;
 407                                         }
 408                                 }
 409                         }
 410                 }
 411         }
 412
 413         return OPT_ERROR;
 414 }
 415
 416
 417 /* options_xxusage *************************************************************
 418
 419    Print usage message for debugging options.
 420
 421 *******************************************************************************/
 422
 423 static void options_xxusage(void)
 424 {
 425         option_t *opt;
 426         int       length;
 427         int       i;
 428         char     *c;
 429
 430         /* Prevent compiler warning. */
 431
 432         length = 0;
 433
 434         for (opt = options_XX; opt->name != NULL; opt++) {
 435                 printf("    -XX:");
 436
 437                 switch (opt->type) {
 438                 case OPT_TYPE_BOOLEAN:
 439                         printf("+%s", opt->name);
 440                         length = system_strlen("    -XX:+") + system_strlen(opt->name);
 441                         break;
 442
 443                 case OPT_TYPE_VALUE:
 444                         printf("%s=<value>", opt->name);
 445                         length = system_strlen("    -XX:") + system_strlen(opt->name) +
 446                                 system_strlen("=<value>");
 447                         break;
 448
 449                 default:
 450                         vm_abort("options_xxusage: unkown option type %d", opt->type);
 451                 }
 452
 453                 /* Check if the help fits into one 80-column line.
 454                    Documentation starts at column 29. */
 455
 456                 if (length < (29 - 1)) {
 457                         /* Print missing spaces up to column 29. */
 458
 459                         for (i = length; i < 29; i++)
 460                                 printf(" ");
 461                 }
 462                 else {
 463                         printf("\n");
 464                         printf("                             "); /* 29 spaces */
 465                 }
 466
 467                 /* Check documentation length. */
 468
 469                 length = system_strlen(opt->doc);
 470
 471                 if (length < (80 - 29)) {
 472                         printf("%s", opt->doc);
 473                 }
 474                 else {
 475                         for (c = opt->doc, i = 29; *c != 0; c++, i++) {
 476                                 /* If we are at the end of the line, break it. */
 477
 478                                 if (i == 80) {
 479                                         printf("\n");
 480                                         printf("                             "); /* 29 spaces */
 481                                         i = 29;
 482                                 }
 483
 484                                 printf("%c", *c);
 485                         }
 486                 }
 487
 488                 printf("\n");
 489         }
 490
 491         /* exit with error code */
 492
 493         exit(1);
 494 }
 495
 496
 497 /* options_xx ******************************************************************
 498
 499    Handle -XX: options.
 500
 501 *******************************************************************************/
 502
 503 void options_xx(JavaVMInitArgs *vm_args)
 504 {
 505         const char *name;
 506         const char *start;
 507         char       *end;
 508         int         length;
 509         int         enable;
 510         char       *value;
 511         option_t   *opt;
 512         char       *filename;
 513         FILE       *file;
 514         int         i;
 515
 516         /* Iterate over all passed options. */
 517
 518         for (i = 0; i < vm_args->nOptions; i++) {
 519                 /* Get the current option. */
 520
 521                 name = vm_args->options[i].optionString;
 522
 523                 /* Check for help (-XX). */
 524
 525                 if (strcmp(name, "-XX") == 0)
 526                         options_xxusage();
 527
 528                 /* Check if the option start with -XX. */
 529
 530                 start = strstr(name, "-XX:");
 531
 532                 if ((start == NULL) || (start != name))
 533                         continue;
 534
 535                 /* Check if the option is a boolean option. */
 536
 537                 if (name[4] == '+') {
 538                         start  = name + 4 + 1;
 539                         enable = 1;
 540                 }
 541                 else if (name[4] == '-') {
 542                         start  = name + 4 + 1;
 543                         enable = 0;
 544                 }
 545                 else {
 546                         start  = name + 4;
 547                         enable = -1;
 548                 }
 549
 550                 /* Search for a '=' in the option name and get the option name
 551                    length and the value of the option. */
 552
 553                 end = strchr(start, '=');
 554
 555                 if (end == NULL) {
 556                         length = system_strlen(start);
 557                         value  = NULL;
 558                 }
 559                 else {
 560                         length = end - start;
 561                         value  = end + 1;
 562                 }
 563
 564                 /* Search the option in the option array. */
 565
 566                 for (opt = options_XX; opt->name != NULL; opt++) {
 567                         if (strncmp(opt->name, start, length) == 0) {
 568                                 /* Check if the options passed fits to the type. */
 569
 570                                 switch (opt->type) {
 571                                 case OPT_TYPE_BOOLEAN:
 572                                         if ((enable == -1) || (value != NULL))
 573                                                 options_xxusage();
 574                                         break;
 575                                 case OPT_TYPE_VALUE:
 576                                         if ((enable != -1) || (value == NULL))
 577                                                 options_xxusage();
 578                                         break;
 579                                 default:
 580                                         vm_abort("options_xx: unknown option type %d for option %s",
 581                                                          opt->type, opt->name);
 582                                 }
 583
 584                                 break;
 585                         }
 586                 }
 587
 588                 /* Process the option. */
 589
 590                 switch (opt->value) {
 591
 592                 /* Options which must always be available (production options
 593                    in HotSpot). */
 594
 595                 case OPT_MaxDirectMemorySize:
 596                         opt_MaxDirectMemorySize = system_atoi(value);
 597                         break;
 598
 599                 case OPT_MaxPermSize:
 600                         /* Currently ignored. */
 601                         break;
 602
 603                 case OPT_PermSize:
 604                         /* Currently ignored. */
 605                         break;
 606
 607                 case OPT_ThreadStackSize:
 608                         /* currently ignored */
 609                         break;
 610
 611                 /* Debugging options which can be turned off. */
 612
 613                 case OPT_DebugExceptions:
 614                         opt_DebugExceptions = enable;
 615                         break;
 616
 617                 case OPT_DebugFinalizer:
 618                         opt_DebugFinalizer = enable;
 619                         break;
 620
 621                 case OPT_DebugLocalReferences:
 622                         opt_DebugLocalReferences = enable;
 623                         break;
 624
 625                 case OPT_DebugLocks:
 626                         opt_DebugLocks = enable;
 627                         break;
 628
 629                 case OPT_DebugPackage:
 630                         opt_DebugPackage = enable;
 631                         break;
 632
 633                 case OPT_DebugPatcher:
 634                         opt_DebugPatcher = enable;
 635                         break;
 636
 637                 case OPT_DebugProperties:
 638                         opt_DebugProperties = enable;
 639                         break;
 640
 641                 case OPT_DebugStackFrameInfo:
 642                         opt_DebugStackFrameInfo = enable;
 643                         break;
 644
 645                 case OPT_DebugStackTrace:
 646                         opt_DebugStackTrace = enable;
 647                         break;
 648
 649                 case OPT_DebugThreads:
 650                         opt_DebugThreads = enable;
 651                         break;
 652
 653 #if defined(ENABLE_DISASSEMBLER)
 654                 case OPT_DisassembleStubs:
 655                         opt_DisassembleStubs = enable;
 656                         break;
 657 #endif
 658
 659 #if defined(ENABLE_GC_CACAO)
 660                 case OPT_GCDebugRootSet:
 661                         opt_GCDebugRootSet = enable;
 662                         break;
 663
 664                 case OPT_GCStress:
 665                         opt_GCStress = enable;
 666                         break;
 667 #endif
 668
 669 #if defined(ENABLE_INLINING)
 670                 case OPT_Inline:
 671                         opt_Inline = enable;
 672                         break;
 673 #if defined(ENABLE_INLINING_DEBUG) || !defined(NDEBUG)
 674                 case OPT_InlineAll:
 675                         opt_InlineAll = enable;
 676                         break;
 677
 678                 case OPT_InlineCount:
 679                         if (value != NULL)
 680                                 opt_InlineCount = system_atoi(value);
 681                         break;
 682
 683                 case OPT_InlineMaxSize:
 684                         if (value != NULL)
 685                                 opt_InlineMaxSize = system_atoi(value);
 686                         break;
 687
 688                 case OPT_InlineMinSize:
 689                         if (value != NULL)
 690                                 opt_InlineMinSize = system_atoi(value);
 691                         break;
 692 #endif
 693 #endif
 694
 695                 case OPT_PrintConfig:
 696                         opt_PrintConfig = enable;
 697                         break;
 698
 699                 case OPT_ProfileGCMemoryUsage:
 700                         if (value == NULL)
 701                                 opt_ProfileGCMemoryUsage = 5;
 702                         else
 703                                 opt_ProfileGCMemoryUsage = system_atoi(value);
 704                         break;
 705
 706                 case OPT_ProfileMemoryUsage:
 707                         if (value == NULL)
 708                                 opt_ProfileMemoryUsage = 5;
 709                         else
 710                                 opt_ProfileMemoryUsage = system_atoi(value);
 711
 712 # if defined(ENABLE_STATISTICS)
 713                         /* we also need statistics */
 714
 715                         opt_stat = true;
 716 # endif
 717                         break;
 718
 719                 case OPT_ProfileMemoryUsageGNUPlot:
 720                         if (value == NULL)
 721                                 filename = "profile.dat";
 722                         else
 723                                 filename = value;
 724
 725                         file = fopen(filename, "w");
 726
 727                         if (file == NULL)
 728                                 vm_abort_errno("options_xx: fopen failed");
 729
 730                         opt_ProfileMemoryUsageGNUPlot = file;
 731                         break;
 732
 733 #if defined(ENABLE_REPLACEMENT)
 734                 case OPT_TestReplacement:
 735                         opt_TestReplacement = enable;
 736                         break;
 737 #endif
 738
 739                 case OPT_TraceCompilerCalls:
 740                         opt_TraceCompilerCalls = enable;
 741                         break;
 742
 743                 case OPT_TraceExceptions:
 744                         opt_TraceExceptions = enable;
 745                         break;
 746
 747                 case OPT_TraceHPI:
 748                         opt_TraceHPI = enable;
 749                         break;
 750
 751 #if defined(ENABLE_INLINING) && !defined(NDEBUG)
 752                 case OPT_TraceInlining:
 753                         if (value == NULL)
 754                                 opt_TraceInlining = 1;
 755                         else
 756                                 opt_TraceInlining = system_atoi(value);
 757                         break;
 758 #endif
 759
 760                 case OPT_TraceJavaCalls:
 761                         opt_verbosecall = enable;
 762                         opt_TraceJavaCalls = enable;
 763                         break;
 764
 765                 case OPT_TraceJNICalls:
 766                         opt_TraceJNICalls = enable;
 767                         break;
 768
 769                 case OPT_TraceJVMCalls:
 770                         opt_TraceJVMCalls = enable;
 771                         break;
 772
 773                 case OPT_TraceJVMCallsVerbose:
 774                         opt_TraceJVMCallsVerbose = enable;
 775                         break;
 776
 777                 case OPT_TraceLinkClass:
 778                         opt_TraceLinkClass = enable;
 779                         break;
 780
 781 #if defined(ENABLE_REPLACEMENT)
 782                 case OPT_TraceReplacement:
 783                         if (value == NULL)
 784                                 opt_TraceReplacement = 1;
 785                         else
 786                                 opt_TraceReplacement = system_atoi(value);
 787                         break;
 788 #endif
 789
 790                 case OPT_TraceSubsystemInitialization:
 791                         opt_TraceSubsystemInitialization = enable;
 792                         break;
 793
 794                 case OPT_TraceTraps:
 795                         opt_TraceTraps = enable;
 796                         break;
 797
 798 #if defined(ENABLE_VMLOG)
 799                 case OPT_Vmlog:
 800                         if (value == NULL)
 801                                 vmlog_cacao_set_prefix("vmlog");
 802                         else
 803                                 vmlog_cacao_set_prefix(value);
 804                         opt_verbosecall = 1;
 805                         opt_TraceJavaCalls = 1;
 806                         break;
 807
 808                 case OPT_VmlogStrings:
 809                         if (value != NULL)
 810                                 vmlog_cacao_set_stringprefix(value);
 811                         break;
 812
 813                 case OPT_VmlogIgnore:
 814                         if (value != NULL)
 815                                 vmlog_cacao_set_ignoreprefix(value);
 816                         break;
 817 #endif
 818
 819                 default:
 820                         printf("Unknown -XX option: %s\n", name);
 821                         break;
 822                 }
 823         }
 824 }
 825
 826
 827 /*
 828  * These are local overrides for various environment variables in Emacs.
 829  * Please do not remove this and leave it at the end of the file, where
 830  * Emacs will automagically detect them.
 831  * ---------------------------------------------------------------------
 832  * Local variables:
 833  * mode: c
 834  * indent-tabs-mode: t
 835  * c-basic-offset: 4
 836  * tab-width: 4
 837  * End:
 838  */