src/vm/options.c

   1 /* src/vm/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/options.h"
  38 #include "vm/os.hpp"
  39 #include "vm/vm.hpp"
  40
  41
  42 /* command line option ********************************************************/
  43
  44 s4    opt_index = 0;            /* index of processed arguments               */
  45 char *opt_arg;                  /* this one exports the option argument       */
  46
  47 bool opt_foo = false;           /* option for development                     */
  48
  49 bool opt_jar = false;
  50
  51 #if defined(ENABLE_JIT)
  52 bool opt_jit = true;            /* JIT mode execution (default)               */
  53 bool opt_intrp = false;         /* interpreter mode execution                 */
  54 #else
  55 bool opt_jit = false;           /* JIT mode execution                         */
  56 bool opt_intrp = true;          /* interpreter mode execution (default)       */
  57 #endif
  58
  59 bool opt_run = true;
  60
  61 s4   opt_heapmaxsize   = 0;     /* maximum heap size                          */
  62 s4   opt_heapstartsize = 0;     /* initial heap size                          */
  63 s4   opt_stacksize     = 0;     /* thread stack size                          */
  64
  65 bool opt_verbose = false;
  66 bool opt_debugcolor = false;    /* use ANSI terminal sequences                */
  67 bool compileall = false;
  68
  69 bool loadverbose = false;
  70 bool initverbose = false;
  71
  72 bool opt_verboseclass     = false;
  73 bool opt_verbosegc        = false;
  74 bool opt_verbosejni       = false;
  75 bool opt_verbosecall      = false;      /* trace all method invocation        */
  76
  77 bool showmethods = false;
  78 bool showconstantpool = false;
  79 bool showutf = false;
  80
  81 char *opt_method = NULL;
  82 char *opt_signature = NULL;
  83
  84 bool compileverbose =  false;           /* trace compiler actions             */
  85 bool showstack = false;
  86
  87 bool opt_showdisassemble    = false;    /* generate disassembler listing      */
  88 bool opt_shownops           = false;
  89 bool opt_showddatasegment   = false;    /* generate data segment listing      */
  90 bool opt_showintermediate   = false;    /* generate intermediate code listing */
  91
  92 bool checkbounds = true;       /* check array bounds                         */
  93 bool opt_noieee = false;       /* don't implement ieee compliant floats      */
  94 bool checksync = true;         /* do synchronization                         */
  95 #if defined(ENABLE_LOOP)
  96 bool opt_loops = false;        /* optimize array accesses in loops           */
  97 #endif
  98
  99 bool makeinitializations = true;
 100
 101 #if defined(ENABLE_STATISTICS)
 102 bool opt_stat    = false;
 103 bool opt_getloadingtime = false;   /* to measure the runtime                 */
 104 bool opt_getcompilingtime = false; /* compute compile time                   */
 105 #endif
 106 #if defined(ENABLE_VERIFIER)
 107 bool opt_verify  = true;       /* true if classfiles should be verified      */
 108 #endif
 109
 110 #if defined(ENABLE_PROFILING)
 111 bool opt_prof    = false;
 112 bool opt_prof_bb = false;
 113 #endif
 114
 115 #if defined(ENABLE_OPAGENT)
 116 bool opt_opagent = false;
 117 #endif
 118
 119 /* optimization options *******************************************************/
 120
 121 #if defined(ENABLE_IFCONV)
 122 bool opt_ifconv = false;
 123 #endif
 124
 125 #if defined(ENABLE_LSRA) || defined(ENABLE_SSA)
 126 bool opt_lsra = false;
 127 #endif
 128 #if defined(ENABLE_SSA)
 129 bool opt_ssa_dce = false;          /* enable dead code elemination */
 130 bool opt_ssa_cp = false;           /* enable copy propagation      */
 131 #endif
 132
 133
 134 /* interpreter options ********************************************************/
 135
 136 #if defined(ENABLE_INTRP)
 137 bool opt_no_dynamic = false;            /* suppress dynamic superinstructions */
 138 bool opt_no_replication = false;        /* don't use replication in intrp     */
 139 bool opt_no_quicksuper = false;         /* instructions for quickening cannot be
 140                                                                                    part of dynamic superinstructions */
 141
 142 s4   opt_static_supers = 0x7fffffff;
 143 bool vm_debug = false;          /* XXX this should be called `opt_trace'      */
 144 #endif
 145
 146 #if defined(ENABLE_DEBUG_FILTER)
 147 const char *opt_filter_verbosecall_include = 0;
 148 const char *opt_filter_verbosecall_exclude = 0;
 149 const char *opt_filter_show_method = 0;
 150 #endif
 151
 152
 153 /* -XX options ****************************************************************/
 154
 155 /* NOTE: For better readability keep these alpha-sorted. */
 156
 157 /* Options which must always be available (production options in
 158    HotSpot). */
 159
 160 int64_t  opt_MaxDirectMemorySize          = -1;
 161 int      opt_MaxPermSize                  = 0;
 162 int      opt_PermSize                     = 0;
 163 int      opt_ThreadStackSize              = 0;
 164
 165 /* Debugging options which can be turned off. */
 166
 167 int      opt_DebugExceptions              = 0;
 168 int      opt_DebugFinalizer               = 0;
 169 int      opt_DebugLocalReferences         = 0;
 170 int      opt_DebugLocks                   = 0;
 171 int      opt_DebugPackage                 = 0;
 172 int      opt_DebugPatcher                 = 0;
 173 int      opt_DebugProperties              = 0;
 174 int      opt_DebugStackFrameInfo          = 0;
 175 int      opt_DebugStackTrace              = 0;
 176 int      opt_DebugThreads                 = 0;
 177 #if defined(ENABLE_DISASSEMBLER)
 178 int      opt_DisassembleStubs             = 0;
 179 #endif
 180 #if defined(ENABLE_OPAGENT)
 181 int      opt_EnableOpagent                = 0;
 182 #endif
 183 #if defined(ENABLE_GC_CACAO)
 184 int      opt_GCDebugRootSet               = 0;
 185 int      opt_GCStress                     = 0;
 186 #endif
 187 #if defined(ENABLE_INLINING)
 188 int      opt_Inline                       = 0;
 189 #if defined(ENABLE_INLINING_DEBUG) || !defined(NDEBUG)
 190 int      opt_InlineAll                    = 0;
 191 int      opt_InlineCount                  = INT_MAX;
 192 int      opt_InlineMaxSize                = INT_MAX;
 193 int      opt_InlineMinSize                = 0;
 194 #endif
 195 #endif
 196 int      opt_PrintConfig                  = 0;
 197 int      opt_ProfileGCMemoryUsage         = 0;
 198 int      opt_ProfileMemoryUsage           = 0;
 199 FILE    *opt_ProfileMemoryUsageGNUPlot    = NULL;
 200 #if defined(ENABLE_REPLACEMENT)
 201 int      opt_TestReplacement              = 0;
 202 #endif
 203 int      opt_TraceCompilerCalls           = 0;
 204 int      opt_TraceExceptions              = 0;
 205 int      opt_TraceHPI                     = 0;
 206 #if defined(ENABLE_INLINING) && !defined(NDEBUG)
 207 int      opt_TraceInlining                = 0;
 208 #endif
 209 int      opt_TraceJavaCalls               = 0;
 210 int      opt_TraceJNICalls                = 0;
 211 int      opt_TraceJVMCalls                = 0;
 212 int      opt_TraceJVMCallsVerbose         = 0;
 213 int      opt_TraceLinkClass               = 0;
 214 #if defined(ENABLE_REPLACEMENT)
 215 int      opt_TraceReplacement             = 0;
 216 #endif
 217 int      opt_TraceSubsystemInitialization = 0;
 218 int      opt_TraceTraps                   = 0;
 219
 220
 221 enum {
 222         OPT_TYPE_BOOLEAN,
 223         OPT_TYPE_VALUE
 224 };
 225
 226 enum {
 227         /* Options which must always be available (production options in
 228            HotSpot). */
 229
 230         OPT_MaxDirectMemorySize,
 231         OPT_MaxPermSize,
 232         OPT_PermSize,
 233         OPT_ThreadStackSize,
 234
 235         /* Debugging options which can be turned off. */
 236
 237         OPT_DebugExceptions,
 238         OPT_DebugFinalizer,
 239         OPT_DebugLocalReferences,
 240         OPT_DebugLocks,
 241         OPT_DebugPackage,
 242         OPT_DebugPatcher,
 243         OPT_DebugProperties,
 244         OPT_DebugStackFrameInfo,
 245         OPT_DebugStackTrace,
 246         OPT_DebugThreads,
 247         OPT_DisassembleStubs,
 248         OPT_EnableOpagent,
 249         OPT_GCDebugRootSet,
 250         OPT_GCStress,
 251         OPT_Inline,
 252         OPT_InlineAll,
 253         OPT_InlineCount,
 254         OPT_InlineMaxSize,
 255         OPT_InlineMinSize,
 256         OPT_PrintConfig,
 257         OPT_ProfileGCMemoryUsage,
 258         OPT_ProfileMemoryUsage,
 259         OPT_ProfileMemoryUsageGNUPlot,
 260         OPT_TestReplacement,
 261         OPT_TraceCompilerCalls,
 262         OPT_TraceExceptions,
 263         OPT_TraceHPI,
 264         OPT_TraceInlining,
 265         OPT_TraceJavaCalls,
 266         OPT_TraceJNICalls,
 267         OPT_TraceJVMCalls,
 268         OPT_TraceJVMCallsVerbose,
 269         OPT_TraceLinkClass,
 270         OPT_TraceReplacement,
 271         OPT_TraceSubsystemInitialization,
 272         OPT_TraceTraps,
 273         OPT_Vmlog,
 274         OPT_VmlogStrings,
 275         OPT_VmlogIgnore
 276 };
 277
 278
 279 option_t options_XX[] = {
 280         /* Options which must always be available (production options in
 281            HotSpot). */
 282
 283         { "MaxDirectMemorySize",          OPT_MaxDirectMemorySize,          OPT_TYPE_VALUE,   "Maximum total size of NIO direct-buffer allocations" },
 284         { "MaxPermSize",                  OPT_MaxPermSize,                  OPT_TYPE_VALUE,   "not implemented" },
 285         { "PermSize",                     OPT_PermSize,                     OPT_TYPE_VALUE,   "not implemented" },
 286         { "ThreadStackSize",              OPT_ThreadStackSize,              OPT_TYPE_VALUE,   "TODO" },
 287
 288         /* Debugging options which can be turned off. */
 289
 290         { "DebugExceptions",              OPT_DebugExceptions,              OPT_TYPE_BOOLEAN, "debug exceptions" },
 291         { "DebugFinalizer",               OPT_DebugFinalizer,               OPT_TYPE_BOOLEAN, "debug finalizer thread" },
 292         { "DebugLocalReferences",         OPT_DebugLocalReferences,         OPT_TYPE_BOOLEAN, "print debug information for local reference tables" },
 293         { "DebugLocks",                   OPT_DebugLocks,                   OPT_TYPE_BOOLEAN, "print debug information for locks" },
 294         { "DebugPackage",                 OPT_DebugPackage,                 OPT_TYPE_BOOLEAN, "debug Java boot-packages" },
 295         { "DebugPatcher",                 OPT_DebugPatcher,                 OPT_TYPE_BOOLEAN, "debug JIT code patching" },
 296         { "DebugProperties",              OPT_DebugProperties,              OPT_TYPE_BOOLEAN, "print debug information for properties" },
 297         { "DebugStackFrameInfo",          OPT_DebugStackFrameInfo,          OPT_TYPE_BOOLEAN, "TODO" },
 298         { "DebugStackTrace",              OPT_DebugStackTrace,              OPT_TYPE_BOOLEAN, "debug stacktrace creation" },
 299         { "DebugThreads",                 OPT_DebugThreads,                 OPT_TYPE_BOOLEAN, "print debug information for threads" },
 300 #if defined(ENABLE_DISASSEMBLER)
 301         { "DisassembleStubs",             OPT_DisassembleStubs,             OPT_TYPE_BOOLEAN, "disassemble builtin and native stubs when generated" },
 302 #endif
 303 #if defined(ENABLE_OPAGENT)
 304         { "EnableOpagent",                OPT_EnableOpagent,                OPT_TYPE_BOOLEAN, "enable providing JIT output to Oprofile" },
 305 #endif
 306 #if defined(ENABLE_GC_CACAO)
 307         { "GCDebugRootSet",               OPT_GCDebugRootSet,               OPT_TYPE_BOOLEAN, "GC: print root-set at collection" },
 308         { "GCStress",                     OPT_GCStress,                     OPT_TYPE_BOOLEAN, "GC: forced collection at every allocation" },
 309 #endif
 310 #if defined(ENABLE_INLINING)
 311         { "Inline",                       OPT_Inline,                       OPT_TYPE_BOOLEAN, "enable method inlining" },
 312 #if defined(ENABLE_INLINING_DEBUG) || !defined(NDEBUG)
 313         { "InlineAll",                    OPT_InlineAll,                    OPT_TYPE_BOOLEAN, "use inlining in all compilations" },
 314         { "InlineCount",                  OPT_InlineCount,                  OPT_TYPE_VALUE,   "stop inlining after the given number of roots" },
 315         { "InlineMaxSize",                OPT_InlineMaxSize,                OPT_TYPE_VALUE,   "maximum size for inlined result" },
 316         { "InlineMinSize",                OPT_InlineMinSize,                OPT_TYPE_VALUE,   "minimum size for inlined result" },
 317 #endif
 318 #endif
 319         { "PrintConfig",                  OPT_PrintConfig,                  OPT_TYPE_BOOLEAN, "print VM configuration" },
 320         { "ProfileGCMemoryUsage",         OPT_ProfileGCMemoryUsage,         OPT_TYPE_VALUE,   "profiles GC memory usage in the given interval, <value> is in seconds (default: 5)" },
 321         { "ProfileMemoryUsage",           OPT_ProfileMemoryUsage,           OPT_TYPE_VALUE,   "TODO" },
 322         { "ProfileMemoryUsageGNUPlot",    OPT_ProfileMemoryUsageGNUPlot,    OPT_TYPE_VALUE,   "TODO" },
 323 #if defined(ENABLE_REPLACEMENT)
 324         { "TestReplacement",              OPT_TestReplacement,              OPT_TYPE_BOOLEAN, "activate all replacement points during code generation" },
 325 #endif
 326         { "TraceCompilerCalls",           OPT_TraceCompilerCalls,           OPT_TYPE_BOOLEAN, "trace JIT compiler calls" },
 327         { "TraceExceptions",              OPT_TraceExceptions,              OPT_TYPE_BOOLEAN, "trace Exception throwing" },
 328         { "TraceHPI",                     OPT_TraceHPI,                     OPT_TYPE_BOOLEAN, "Trace Host Porting Interface (HPI)" },
 329 #if defined(ENABLE_INLINING) && !defined(NDEBUG)
 330         { "TraceInlining",                OPT_TraceInlining,                OPT_TYPE_VALUE,   "trace method inlining with the given verbosity level (default: 1)" },
 331 #endif
 332 #if !defined(ENABLE_VMLOG)
 333         { "TraceJavaCalls",               OPT_TraceJavaCalls,               OPT_TYPE_BOOLEAN, "trace Java method calls" },
 334 #endif
 335         { "TraceJNICalls",                OPT_TraceJNICalls,                OPT_TYPE_BOOLEAN, "trace JNI method calls" },
 336         { "TraceJVMCalls",                OPT_TraceJVMCalls,                OPT_TYPE_BOOLEAN, "trace JVM method calls but omit very frequent ones" },
 337         { "TraceJVMCallsVerbose",         OPT_TraceJVMCallsVerbose,         OPT_TYPE_BOOLEAN, "trace all JVM method calls" },
 338         { "TraceLinkClass",               OPT_TraceLinkClass,               OPT_TYPE_BOOLEAN, "trace class linking" },
 339 #if defined(ENABLE_REPLACEMENT)
 340         { "TraceReplacement",             OPT_TraceReplacement,             OPT_TYPE_VALUE,   "trace on-stack replacement with the given verbosity level (default: 1)" },
 341 #endif
 342         { "TraceSubsystemInitialization", OPT_TraceSubsystemInitialization, OPT_TYPE_BOOLEAN, "trace initialization of subsystems" },
 343         { "TraceTraps",                   OPT_TraceTraps,                   OPT_TYPE_BOOLEAN, "trace traps generated by JIT code" },
 344 #if defined(ENABLE_VMLOG)
 345         { "Vmlog",                        OPT_Vmlog,                        OPT_TYPE_VALUE,   "prefix for vmlog trace files (enables vmlog)" },
 346         { "VmlogStrings",                 OPT_VmlogStrings,                 OPT_TYPE_VALUE,   "prefix of vmlog string file to load" },
 347         { "VmlogIgnore",                  OPT_VmlogIgnore,                  OPT_TYPE_VALUE,   "prefix of vmlog ignore file to load" },
 348 #endif
 349
 350         /* end marker */
 351
 352         { NULL,                           -1,                               -1,               NULL }
 353 };
 354
 355
 356 /* options_get *****************************************************************
 357
 358    DOCUMENT ME!!!
 359
 360 *******************************************************************************/
 361
 362 int options_get(opt_struct *opts, JavaVMInitArgs *vm_args)
 363 {
 364         char *option;
 365         int   i;
 366
 367         if (opt_index >= vm_args->nOptions)
 368                 return OPT_DONE;
 369
 370         /* get the current option */
 371
 372         option = vm_args->options[opt_index].optionString;
 373
 374         if ((option == NULL) || (option[0] != '-'))
 375                 return OPT_DONE;
 376
 377         for (i = 0; opts[i].name; i++) {
 378                 if (!opts[i].arg) {
 379                         /* boolean option found */
 380
 381                         if (strcmp(option + 1, opts[i].name) == 0) {
 382                                 opt_index++;
 383                                 return opts[i].value;
 384                         }
 385
 386                 } else {
 387                         /* parameter option found */
 388
 389                         /* with a space between */
 390
 391                         if (strcmp(option + 1, opts[i].name) == 0) {
 392                                 opt_index++;
 393
 394                                 if (opt_index < vm_args->nOptions) {
 395                                         opt_arg = os_strdup(vm_args->options[opt_index].optionString);
 396                                         opt_index++;
 397                                         return opts[i].value;
 398                                 }
 399
 400                                 return OPT_ERROR;
 401
 402                         } else {
 403                                 /* parameter and option have no space between */
 404
 405                                 /* FIXME: this assumption is plain wrong, hits you if there is a
 406                                  * parameter with no argument starting with same letter as param with argument
 407                                  * but named after that one, ouch! */
 408
 409                                 size_t l = os_strlen(opts[i].name);
 410
 411                                 if (os_strlen(option + 1) > l) {
 412                                         if (memcmp(option + 1, opts[i].name, l) == 0) {
 413                                                 opt_index++;
 414                                                 opt_arg = os_strdup(option + 1 + l);
 415                                                 return opts[i].value;
 416                                         }
 417                                 }
 418                         }
 419                 }
 420         }
 421
 422         return OPT_ERROR;
 423 }
 424
 425
 426 /* options_xxusage *************************************************************
 427
 428    Print usage message for debugging options.
 429
 430 *******************************************************************************/
 431
 432 static void options_xxusage(void)
 433 {
 434         option_t   *opt;
 435         int         length;
 436         int         i;
 437         const char *c;
 438
 439         /* Prevent compiler warning. */
 440
 441         length = 0;
 442
 443         for (opt = options_XX; opt->name != NULL; opt++) {
 444                 printf("    -XX:");
 445
 446                 switch (opt->type) {
 447                 case OPT_TYPE_BOOLEAN:
 448                         printf("+%s", opt->name);
 449                         length = os_strlen("    -XX:+") + os_strlen(opt->name);
 450                         break;
 451
 452                 case OPT_TYPE_VALUE:
 453                         printf("%s=<value>", opt->name);
 454                         length = os_strlen("    -XX:") + os_strlen(opt->name) +
 455                                 os_strlen("=<value>");
 456                         break;
 457
 458                 default:
 459                         vm_abort("options_xxusage: unkown option type %d", opt->type);
 460                 }
 461
 462                 /* Check if the help fits into one 80-column line.
 463                    Documentation starts at column 29. */
 464
 465                 if (length < (29 - 1)) {
 466                         /* Print missing spaces up to column 29. */
 467
 468                         for (i = length; i < 29; i++)
 469                                 printf(" ");
 470                 }
 471                 else {
 472                         printf("\n");
 473                         printf("                             "); /* 29 spaces */
 474                 }
 475
 476                 /* Check documentation length. */
 477
 478                 length = os_strlen(opt->doc);
 479
 480                 if (length < (80 - 29)) {
 481                         printf("%s", opt->doc);
 482                 }
 483                 else {
 484                         for (c = opt->doc, i = 29; *c != 0; c++, i++) {
 485                                 /* If we are at the end of the line, break it. */
 486
 487                                 if (i == 80) {
 488                                         printf("\n");
 489                                         printf("                             "); /* 29 spaces */
 490                                         i = 29;
 491                                 }
 492
 493                                 printf("%c", *c);
 494                         }
 495                 }
 496
 497                 printf("\n");
 498         }
 499
 500         /* exit with error code */
 501
 502         exit(1);
 503 }
 504
 505
 506 /* options_xx ******************************************************************
 507
 508    Handle -XX: options.
 509
 510 *******************************************************************************/
 511
 512 void options_xx(JavaVMInitArgs *vm_args)
 513 {
 514         const char *name;
 515         const char *start;
 516         char       *end;
 517         int         length;
 518         int         enable;
 519         char       *value;
 520         option_t   *opt;
 521         char       *filename;
 522         FILE       *file;
 523         int         i;
 524
 525         /* Iterate over all passed options. */
 526
 527         for (i = 0; i < vm_args->nOptions; i++) {
 528                 /* Get the current option. */
 529
 530                 name = vm_args->options[i].optionString;
 531
 532                 /* Check for help (-XX). */
 533
 534                 if (strcmp(name, "-XX") == 0)
 535                         options_xxusage();
 536
 537                 /* Check if the option start with -XX. */
 538
 539                 start = strstr(name, "-XX:");
 540
 541                 if ((start == NULL) || (start != name))
 542                         continue;
 543
 544                 /* Check if the option is a boolean option. */
 545
 546                 if (name[4] == '+') {
 547                         start  = name + 4 + 1;
 548                         enable = 1;
 549                 }
 550                 else if (name[4] == '-') {
 551                         start  = name + 4 + 1;
 552                         enable = 0;
 553                 }
 554                 else {
 555                         start  = name + 4;
 556                         enable = -1;
 557                 }
 558
 559                 /* Search for a '=' in the option name and get the option name
 560                    length and the value of the option. */
 561
 562                 end = strchr(start, '=');
 563
 564                 if (end == NULL) {
 565                         length = os_strlen(start);
 566                         value  = NULL;
 567                 }
 568                 else {
 569                         length = end - start;
 570                         value  = end + 1;
 571                 }
 572
 573                 /* Search the option in the option array. */
 574
 575                 for (opt = options_XX; opt->name != NULL; opt++) {
 576                         if (strncmp(opt->name, start, length) == 0) {
 577                                 /* Check if the options passed fits to the type. */
 578
 579                                 switch (opt->type) {
 580                                 case OPT_TYPE_BOOLEAN:
 581                                         if ((enable == -1) || (value != NULL))
 582                                                 options_xxusage();
 583                                         break;
 584                                 case OPT_TYPE_VALUE:
 585                                         if ((enable != -1) || (value == NULL))
 586                                                 options_xxusage();
 587                                         break;
 588                                 default:
 589                                         vm_abort("options_xx: unknown option type %d for option %s",
 590                                                          opt->type, opt->name);
 591                                 }
 592
 593                                 break;
 594                         }
 595                 }
 596
 597                 /* Process the option. */
 598
 599                 switch (opt->value) {
 600
 601                 /* Options which must always be available (production options
 602                    in HotSpot). */
 603
 604                 case OPT_MaxDirectMemorySize:
 605                         opt_MaxDirectMemorySize = os_atoi(value);
 606                         break;
 607
 608                 case OPT_MaxPermSize:
 609                         /* Currently ignored. */
 610                         break;
 611
 612                 case OPT_PermSize:
 613                         /* Currently ignored. */
 614                         break;
 615
 616                 case OPT_ThreadStackSize:
 617                         /* currently ignored */
 618                         break;
 619
 620                 /* Debugging options which can be turned off. */
 621
 622                 case OPT_DebugExceptions:
 623                         opt_DebugExceptions = enable;
 624                         break;
 625
 626                 case OPT_DebugFinalizer:
 627                         opt_DebugFinalizer = enable;
 628                         break;
 629
 630                 case OPT_DebugLocalReferences:
 631                         opt_DebugLocalReferences = enable;
 632                         break;
 633
 634                 case OPT_DebugLocks:
 635                         opt_DebugLocks = enable;
 636                         break;
 637
 638                 case OPT_DebugPackage:
 639                         opt_DebugPackage = enable;
 640                         break;
 641
 642                 case OPT_DebugPatcher:
 643                         opt_DebugPatcher = enable;
 644                         break;
 645
 646                 case OPT_DebugProperties:
 647                         opt_DebugProperties = enable;
 648                         break;
 649
 650                 case OPT_DebugStackFrameInfo:
 651                         opt_DebugStackFrameInfo = enable;
 652                         break;
 653
 654                 case OPT_DebugStackTrace:
 655                         opt_DebugStackTrace = enable;
 656                         break;
 657
 658                 case OPT_DebugThreads:
 659                         opt_DebugThreads = enable;
 660                         break;
 661
 662 #if defined(ENABLE_DISASSEMBLER)
 663                 case OPT_DisassembleStubs:
 664                         opt_DisassembleStubs = enable;
 665                         break;
 666 #endif
 667
 668 #if defined(ENABLE_OPAGENT)
 669                 case OPT_EnableOpagent:
 670                         opt_EnableOpagent = enable;
 671                         break;
 672 #endif
 673
 674 #if defined(ENABLE_GC_CACAO)
 675                 case OPT_GCDebugRootSet:
 676                         opt_GCDebugRootSet = enable;
 677                         break;
 678
 679                 case OPT_GCStress:
 680                         opt_GCStress = enable;
 681                         break;
 682 #endif
 683
 684 #if defined(ENABLE_INLINING)
 685                 case OPT_Inline:
 686                         opt_Inline = enable;
 687                         break;
 688 #if defined(ENABLE_INLINING_DEBUG) || !defined(NDEBUG)
 689                 case OPT_InlineAll:
 690                         opt_InlineAll = enable;
 691                         break;
 692
 693                 case OPT_InlineCount:
 694                         if (value != NULL)
 695                                 opt_InlineCount = os_atoi(value);
 696                         break;
 697
 698                 case OPT_InlineMaxSize:
 699                         if (value != NULL)
 700                                 opt_InlineMaxSize = os_atoi(value);
 701                         break;
 702
 703                 case OPT_InlineMinSize:
 704                         if (value != NULL)
 705                                 opt_InlineMinSize = os_atoi(value);
 706                         break;
 707 #endif
 708 #endif
 709
 710                 case OPT_PrintConfig:
 711                         opt_PrintConfig = enable;
 712                         break;
 713
 714                 case OPT_ProfileGCMemoryUsage:
 715                         if (value == NULL)
 716                                 opt_ProfileGCMemoryUsage = 5;
 717                         else
 718                                 opt_ProfileGCMemoryUsage = os_atoi(value);
 719                         break;
 720
 721                 case OPT_ProfileMemoryUsage:
 722                         if (value == NULL)
 723                                 opt_ProfileMemoryUsage = 5;
 724                         else
 725                                 opt_ProfileMemoryUsage = os_atoi(value);
 726
 727 # if defined(ENABLE_STATISTICS)
 728                         /* we also need statistics */
 729
 730                         opt_stat = true;
 731 # endif
 732                         break;
 733
 734                 case OPT_ProfileMemoryUsageGNUPlot:
 735                         if (value == NULL)
 736                                 filename = "profile.dat";
 737                         else
 738                                 filename = value;
 739
 740                         file = fopen(filename, "w");
 741
 742                         if (file == NULL)
 743                                 vm_abort_errno("options_xx: fopen failed");
 744
 745                         opt_ProfileMemoryUsageGNUPlot = file;
 746                         break;
 747
 748 #if defined(ENABLE_REPLACEMENT)
 749                 case OPT_TestReplacement:
 750                         opt_TestReplacement = enable;
 751                         break;
 752 #endif
 753
 754                 case OPT_TraceCompilerCalls:
 755                         opt_TraceCompilerCalls = enable;
 756                         break;
 757
 758                 case OPT_TraceExceptions:
 759                         opt_TraceExceptions = enable;
 760                         break;
 761
 762                 case OPT_TraceHPI:
 763                         opt_TraceHPI = enable;
 764                         break;
 765
 766 #if defined(ENABLE_INLINING) && !defined(NDEBUG)
 767                 case OPT_TraceInlining:
 768                         if (value == NULL)
 769                                 opt_TraceInlining = 1;
 770                         else
 771                                 opt_TraceInlining = os_atoi(value);
 772                         break;
 773 #endif
 774
 775                 case OPT_TraceJavaCalls:
 776                         opt_verbosecall = enable;
 777                         opt_TraceJavaCalls = enable;
 778                         break;
 779
 780                 case OPT_TraceJNICalls:
 781                         opt_TraceJNICalls = enable;
 782                         break;
 783
 784                 case OPT_TraceJVMCalls:
 785                         opt_TraceJVMCalls = enable;
 786                         break;
 787
 788                 case OPT_TraceJVMCallsVerbose:
 789                         opt_TraceJVMCallsVerbose = enable;
 790                         break;
 791
 792                 case OPT_TraceLinkClass:
 793                         opt_TraceLinkClass = enable;
 794                         break;
 795
 796 #if defined(ENABLE_REPLACEMENT)
 797                 case OPT_TraceReplacement:
 798                         if (value == NULL)
 799                                 opt_TraceReplacement = 1;
 800                         else
 801                                 opt_TraceReplacement = os_atoi(value);
 802                         break;
 803 #endif
 804
 805                 case OPT_TraceSubsystemInitialization:
 806                         opt_TraceSubsystemInitialization = enable;
 807                         break;
 808
 809                 case OPT_TraceTraps:
 810                         opt_TraceTraps = enable;
 811                         break;
 812
 813 #if defined(ENABLE_VMLOG)
 814                 case OPT_Vmlog:
 815                         if (value == NULL)
 816                                 vmlog_cacao_set_prefix("vmlog");
 817                         else
 818                                 vmlog_cacao_set_prefix(value);
 819                         opt_verbosecall = 1;
 820                         opt_TraceJavaCalls = 1;
 821                         break;
 822
 823                 case OPT_VmlogStrings:
 824                         if (value != NULL)
 825                                 vmlog_cacao_set_stringprefix(value);
 826                         break;
 827
 828                 case OPT_VmlogIgnore:
 829                         if (value != NULL)
 830                                 vmlog_cacao_set_ignoreprefix(value);
 831                         break;
 832 #endif
 833
 834                 default:
 835                         printf("Unknown -XX option: %s\n", name);
 836                         break;
 837                 }
 838         }
 839 }
 840
 841
 842 /*
 843  * These are local overrides for various environment variables in Emacs.
 844  * Please do not remove this and leave it at the end of the file, where
 845  * Emacs will automagically detect them.
 846  * ---------------------------------------------------------------------
 847  * Local variables:
 848  * mode: c
 849  * indent-tabs-mode: t
 850  * c-basic-offset: 4
 851  * tab-width: 4
 852  * End:
 853  */