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.hpp"
  38
  39 #include "vmcore/options.h"
  40 #include "vmcore/os.hpp"
  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 #if defined(ENABLE_OPAGENT)
 117 bool opt_opagent = false;
 118 #endif
 119
 120 /* optimization options *******************************************************/
 121
 122 #if defined(ENABLE_IFCONV)
 123 bool opt_ifconv = false;
 124 #endif
 125
 126 #if defined(ENABLE_LSRA) || defined(ENABLE_SSA)
 127 bool opt_lsra = false;
 128 #endif
 129 #if defined(ENABLE_SSA)
 130 bool opt_ssa_dce = false;          /* enable dead code elemination */
 131 bool opt_ssa_cp = false;           /* enable copy propagation      */
 132 #endif
 133
 134
 135 /* interpreter options ********************************************************/
 136
 137 #if defined(ENABLE_INTRP)
 138 bool opt_no_dynamic = false;            /* suppress dynamic superinstructions */
 139 bool opt_no_replication = false;        /* don't use replication in intrp     */
 140 bool opt_no_quicksuper = false;         /* instructions for quickening cannot be
 141                                                                                    part of dynamic superinstructions */
 142
 143 s4   opt_static_supers = 0x7fffffff;
 144 bool vm_debug = false;          /* XXX this should be called `opt_trace'      */
 145 #endif
 146
 147 #if defined(ENABLE_DEBUG_FILTER)
 148 const char *opt_filter_verbosecall_include = 0;
 149 const char *opt_filter_verbosecall_exclude = 0;
 150 const char *opt_filter_show_method = 0;
 151 #endif
 152
 153
 154 /* -XX options ****************************************************************/
 155
 156 /* NOTE: For better readability keep these alpha-sorted. */
 157
 158 /* Options which must always be available (production options in
 159    HotSpot). */
 160
 161 int64_t  opt_MaxDirectMemorySize          = -1;
 162 int      opt_MaxPermSize                  = 0;
 163 int      opt_PermSize                     = 0;
 164 int      opt_ThreadStackSize              = 0;
 165
 166 /* Debugging options which can be turned off. */
 167
 168 int      opt_DebugExceptions              = 0;
 169 int      opt_DebugFinalizer               = 0;
 170 int      opt_DebugLocalReferences         = 0;
 171 int      opt_DebugLocks                   = 0;
 172 int      opt_DebugPackage                 = 0;
 173 int      opt_DebugPatcher                 = 0;
 174 int      opt_DebugProperties              = 0;
 175 int      opt_DebugStackFrameInfo          = 0;
 176 int      opt_DebugStackTrace              = 0;
 177 int      opt_DebugThreads                 = 0;
 178 #if defined(ENABLE_DISASSEMBLER)
 179 int      opt_DisassembleStubs             = 0;
 180 #endif
 181 #if defined(ENABLE_OPAGENT)
 182 int      opt_EnableOpagent                = 0;
 183 #endif
 184 #if defined(ENABLE_GC_CACAO)
 185 int      opt_GCDebugRootSet               = 0;
 186 int      opt_GCStress                     = 0;
 187 #endif
 188 #if defined(ENABLE_INLINING)
 189 int      opt_Inline                       = 0;
 190 #if defined(ENABLE_INLINING_DEBUG) || !defined(NDEBUG)
 191 int      opt_InlineAll                    = 0;
 192 int      opt_InlineCount                  = INT_MAX;
 193 int      opt_InlineMaxSize                = INT_MAX;
 194 int      opt_InlineMinSize                = 0;
 195 #endif
 196 #endif
 197 int      opt_PrintConfig                  = 0;
 198 int      opt_ProfileGCMemoryUsage         = 0;
 199 int      opt_ProfileMemoryUsage           = 0;
 200 FILE    *opt_ProfileMemoryUsageGNUPlot    = NULL;
 201 #if defined(ENABLE_REPLACEMENT)
 202 int      opt_TestReplacement              = 0;
 203 #endif
 204 int      opt_TraceCompilerCalls           = 0;
 205 int      opt_TraceExceptions              = 0;
 206 int      opt_TraceHPI                     = 0;
 207 #if defined(ENABLE_INLINING) && !defined(NDEBUG)
 208 int      opt_TraceInlining                = 0;
 209 #endif
 210 int      opt_TraceJavaCalls               = 0;
 211 int      opt_TraceJNICalls                = 0;
 212 int      opt_TraceJVMCalls                = 0;
 213 int      opt_TraceJVMCallsVerbose         = 0;
 214 int      opt_TraceLinkClass               = 0;
 215 #if defined(ENABLE_REPLACEMENT)
 216 int      opt_TraceReplacement             = 0;
 217 #endif
 218 int      opt_TraceSubsystemInitialization = 0;
 219 int      opt_TraceTraps                   = 0;
 220
 221
 222 enum {
 223         OPT_TYPE_BOOLEAN,
 224         OPT_TYPE_VALUE
 225 };
 226
 227 enum {
 228         /* Options which must always be available (production options in
 229            HotSpot). */
 230
 231         OPT_MaxDirectMemorySize,
 232         OPT_MaxPermSize,
 233         OPT_PermSize,
 234         OPT_ThreadStackSize,
 235
 236         /* Debugging options which can be turned off. */
 237
 238         OPT_DebugExceptions,
 239         OPT_DebugFinalizer,
 240         OPT_DebugLocalReferences,
 241         OPT_DebugLocks,
 242         OPT_DebugPackage,
 243         OPT_DebugPatcher,
 244         OPT_DebugProperties,
 245         OPT_DebugStackFrameInfo,
 246         OPT_DebugStackTrace,
 247         OPT_DebugThreads,
 248         OPT_DisassembleStubs,
 249         OPT_EnableOpagent,
 250         OPT_GCDebugRootSet,
 251         OPT_GCStress,
 252         OPT_Inline,
 253         OPT_InlineAll,
 254         OPT_InlineCount,
 255         OPT_InlineMaxSize,
 256         OPT_InlineMinSize,
 257         OPT_PrintConfig,
 258         OPT_ProfileGCMemoryUsage,
 259         OPT_ProfileMemoryUsage,
 260         OPT_ProfileMemoryUsageGNUPlot,
 261         OPT_TestReplacement,
 262         OPT_TraceCompilerCalls,
 263         OPT_TraceExceptions,
 264         OPT_TraceHPI,
 265         OPT_TraceInlining,
 266         OPT_TraceJavaCalls,
 267         OPT_TraceJNICalls,
 268         OPT_TraceJVMCalls,
 269         OPT_TraceJVMCallsVerbose,
 270         OPT_TraceLinkClass,
 271         OPT_TraceReplacement,
 272         OPT_TraceSubsystemInitialization,
 273         OPT_TraceTraps,
 274         OPT_Vmlog,
 275         OPT_VmlogStrings,
 276         OPT_VmlogIgnore
 277 };
 278
 279
 280 option_t options_XX[] = {
 281         /* Options which must always be available (production options in
 282            HotSpot). */
 283
 284         { "MaxDirectMemorySize",          OPT_MaxDirectMemorySize,          OPT_TYPE_VALUE,   "Maximum total size of NIO direct-buffer allocations" },
 285         { "MaxPermSize",                  OPT_MaxPermSize,                  OPT_TYPE_VALUE,   "not implemented" },
 286         { "PermSize",                     OPT_PermSize,                     OPT_TYPE_VALUE,   "not implemented" },
 287         { "ThreadStackSize",              OPT_ThreadStackSize,              OPT_TYPE_VALUE,   "TODO" },
 288
 289         /* Debugging options which can be turned off. */
 290
 291         { "DebugExceptions",              OPT_DebugExceptions,              OPT_TYPE_BOOLEAN, "debug exceptions" },
 292         { "DebugFinalizer",               OPT_DebugFinalizer,               OPT_TYPE_BOOLEAN, "debug finalizer thread" },
 293         { "DebugLocalReferences",         OPT_DebugLocalReferences,         OPT_TYPE_BOOLEAN, "print debug information for local reference tables" },
 294         { "DebugLocks",                   OPT_DebugLocks,                   OPT_TYPE_BOOLEAN, "print debug information for locks" },
 295         { "DebugPackage",                 OPT_DebugPackage,                 OPT_TYPE_BOOLEAN, "debug Java boot-packages" },
 296         { "DebugPatcher",                 OPT_DebugPatcher,                 OPT_TYPE_BOOLEAN, "debug JIT code patching" },
 297         { "DebugProperties",              OPT_DebugProperties,              OPT_TYPE_BOOLEAN, "print debug information for properties" },
 298         { "DebugStackFrameInfo",          OPT_DebugStackFrameInfo,          OPT_TYPE_BOOLEAN, "TODO" },
 299         { "DebugStackTrace",              OPT_DebugStackTrace,              OPT_TYPE_BOOLEAN, "debug stacktrace creation" },
 300         { "DebugThreads",                 OPT_DebugThreads,                 OPT_TYPE_BOOLEAN, "print debug information for threads" },
 301 #if defined(ENABLE_DISASSEMBLER)
 302         { "DisassembleStubs",             OPT_DisassembleStubs,             OPT_TYPE_BOOLEAN, "disassemble builtin and native stubs when generated" },
 303 #endif
 304 #if defined(ENABLE_OPAGENT)
 305         { "EnableOpagent",                OPT_EnableOpagent,                OPT_TYPE_BOOLEAN, "enable providing JIT output to Oprofile" },
 306 #endif
 307 #if defined(ENABLE_GC_CACAO)
 308         { "GCDebugRootSet",               OPT_GCDebugRootSet,               OPT_TYPE_BOOLEAN, "GC: print root-set at collection" },
 309         { "GCStress",                     OPT_GCStress,                     OPT_TYPE_BOOLEAN, "GC: forced collection at every allocation" },
 310 #endif
 311 #if defined(ENABLE_INLINING)
 312         { "Inline",                       OPT_Inline,                       OPT_TYPE_BOOLEAN, "enable method inlining" },
 313 #if defined(ENABLE_INLINING_DEBUG) || !defined(NDEBUG)
 314         { "InlineAll",                    OPT_InlineAll,                    OPT_TYPE_BOOLEAN, "use inlining in all compilations" },
 315         { "InlineCount",                  OPT_InlineCount,                  OPT_TYPE_VALUE,   "stop inlining after the given number of roots" },
 316         { "InlineMaxSize",                OPT_InlineMaxSize,                OPT_TYPE_VALUE,   "maximum size for inlined result" },
 317         { "InlineMinSize",                OPT_InlineMinSize,                OPT_TYPE_VALUE,   "minimum size for inlined result" },
 318 #endif
 319 #endif
 320         { "PrintConfig",                  OPT_PrintConfig,                  OPT_TYPE_BOOLEAN, "print VM configuration" },
 321         { "ProfileGCMemoryUsage",         OPT_ProfileGCMemoryUsage,         OPT_TYPE_VALUE,   "profiles GC memory usage in the given interval, <value> is in seconds (default: 5)" },
 322         { "ProfileMemoryUsage",           OPT_ProfileMemoryUsage,           OPT_TYPE_VALUE,   "TODO" },
 323         { "ProfileMemoryUsageGNUPlot",    OPT_ProfileMemoryUsageGNUPlot,    OPT_TYPE_VALUE,   "TODO" },
 324 #if defined(ENABLE_REPLACEMENT)
 325         { "TestReplacement",              OPT_TestReplacement,              OPT_TYPE_BOOLEAN, "activate all replacement points during code generation" },
 326 #endif
 327         { "TraceCompilerCalls",           OPT_TraceCompilerCalls,           OPT_TYPE_BOOLEAN, "trace JIT compiler calls" },
 328         { "TraceExceptions",              OPT_TraceExceptions,              OPT_TYPE_BOOLEAN, "trace Exception throwing" },
 329         { "TraceHPI",                     OPT_TraceHPI,                     OPT_TYPE_BOOLEAN, "Trace Host Porting Interface (HPI)" },
 330 #if defined(ENABLE_INLINING) && !defined(NDEBUG)
 331         { "TraceInlining",                OPT_TraceInlining,                OPT_TYPE_VALUE,   "trace method inlining with the given verbosity level (default: 1)" },
 332 #endif
 333 #if !defined(ENABLE_VMLOG)
 334         { "TraceJavaCalls",               OPT_TraceJavaCalls,               OPT_TYPE_BOOLEAN, "trace Java method calls" },
 335 #endif
 336         { "TraceJNICalls",                OPT_TraceJNICalls,                OPT_TYPE_BOOLEAN, "trace JNI method calls" },
 337         { "TraceJVMCalls",                OPT_TraceJVMCalls,                OPT_TYPE_BOOLEAN, "trace JVM method calls but omit very frequent ones" },
 338         { "TraceJVMCallsVerbose",         OPT_TraceJVMCallsVerbose,         OPT_TYPE_BOOLEAN, "trace all JVM method calls" },
 339         { "TraceLinkClass",               OPT_TraceLinkClass,               OPT_TYPE_BOOLEAN, "trace class linking" },
 340 #if defined(ENABLE_REPLACEMENT)
 341         { "TraceReplacement",             OPT_TraceReplacement,             OPT_TYPE_VALUE,   "trace on-stack replacement with the given verbosity level (default: 1)" },
 342 #endif
 343         { "TraceSubsystemInitialization", OPT_TraceSubsystemInitialization, OPT_TYPE_BOOLEAN, "trace initialization of subsystems" },
 344         { "TraceTraps",                   OPT_TraceTraps,                   OPT_TYPE_BOOLEAN, "trace traps generated by JIT code" },
 345 #if defined(ENABLE_VMLOG)
 346         { "Vmlog",                        OPT_Vmlog,                        OPT_TYPE_VALUE,   "prefix for vmlog trace files (enables vmlog)" },
 347         { "VmlogStrings",                 OPT_VmlogStrings,                 OPT_TYPE_VALUE,   "prefix of vmlog string file to load" },
 348         { "VmlogIgnore",                  OPT_VmlogIgnore,                  OPT_TYPE_VALUE,   "prefix of vmlog ignore file to load" },
 349 #endif
 350
 351         /* end marker */
 352
 353         { NULL,                           -1,                               -1,               NULL }
 354 };
 355
 356
 357 /* options_get *****************************************************************
 358
 359    DOCUMENT ME!!!
 360
 361 *******************************************************************************/
 362
 363 int options_get(opt_struct *opts, JavaVMInitArgs *vm_args)
 364 {
 365         char *option;
 366         int   i;
 367
 368         if (opt_index >= vm_args->nOptions)
 369                 return OPT_DONE;
 370
 371         /* get the current option */
 372
 373         option = vm_args->options[opt_index].optionString;
 374
 375         if ((option == NULL) || (option[0] != '-'))
 376                 return OPT_DONE;
 377
 378         for (i = 0; opts[i].name; i++) {
 379                 if (!opts[i].arg) {
 380                         /* boolean option found */
 381
 382                         if (strcmp(option + 1, opts[i].name) == 0) {
 383                                 opt_index++;
 384                                 return opts[i].value;
 385                         }
 386
 387                 } else {
 388                         /* parameter option found */
 389
 390                         /* with a space between */
 391
 392                         if (strcmp(option + 1, opts[i].name) == 0) {
 393                                 opt_index++;
 394
 395                                 if (opt_index < vm_args->nOptions) {
 396                                         opt_arg = os_strdup(vm_args->options[opt_index].optionString);
 397                                         opt_index++;
 398                                         return opts[i].value;
 399                                 }
 400
 401                                 return OPT_ERROR;
 402
 403                         } else {
 404                                 /* parameter and option have no space between */
 405
 406                                 /* FIXME: this assumption is plain wrong, hits you if there is a
 407                                  * parameter with no argument starting with same letter as param with argument
 408                                  * but named after that one, ouch! */
 409
 410                                 size_t l = os_strlen(opts[i].name);
 411
 412                                 if (os_strlen(option + 1) > l) {
 413                                         if (memcmp(option + 1, opts[i].name, l) == 0) {
 414                                                 opt_index++;
 415                                                 opt_arg = os_strdup(option + 1 + l);
 416                                                 return opts[i].value;
 417                                         }
 418                                 }
 419                         }
 420                 }
 421         }
 422
 423         return OPT_ERROR;
 424 }
 425
 426
 427 /* options_xxusage *************************************************************
 428
 429    Print usage message for debugging options.
 430
 431 *******************************************************************************/
 432
 433 static void options_xxusage(void)
 434 {
 435         option_t   *opt;
 436         int         length;
 437         int         i;
 438         const char *c;
 439
 440         /* Prevent compiler warning. */
 441
 442         length = 0;
 443
 444         for (opt = options_XX; opt->name != NULL; opt++) {
 445                 printf("    -XX:");
 446
 447                 switch (opt->type) {
 448                 case OPT_TYPE_BOOLEAN:
 449                         printf("+%s", opt->name);
 450                         length = os_strlen("    -XX:+") + os_strlen(opt->name);
 451                         break;
 452
 453                 case OPT_TYPE_VALUE:
 454                         printf("%s=<value>", opt->name);
 455                         length = os_strlen("    -XX:") + os_strlen(opt->name) +
 456                                 os_strlen("=<value>");
 457                         break;
 458
 459                 default:
 460                         vm_abort("options_xxusage: unkown option type %d", opt->type);
 461                 }
 462
 463                 /* Check if the help fits into one 80-column line.
 464                    Documentation starts at column 29. */
 465
 466                 if (length < (29 - 1)) {
 467                         /* Print missing spaces up to column 29. */
 468
 469                         for (i = length; i < 29; i++)
 470                                 printf(" ");
 471                 }
 472                 else {
 473                         printf("\n");
 474                         printf("                             "); /* 29 spaces */
 475                 }
 476
 477                 /* Check documentation length. */
 478
 479                 length = os_strlen(opt->doc);
 480
 481                 if (length < (80 - 29)) {
 482                         printf("%s", opt->doc);
 483                 }
 484                 else {
 485                         for (c = opt->doc, i = 29; *c != 0; c++, i++) {
 486                                 /* If we are at the end of the line, break it. */
 487
 488                                 if (i == 80) {
 489                                         printf("\n");
 490                                         printf("                             "); /* 29 spaces */
 491                                         i = 29;
 492                                 }
 493
 494                                 printf("%c", *c);
 495                         }
 496                 }
 497
 498                 printf("\n");
 499         }
 500
 501         /* exit with error code */
 502
 503         exit(1);
 504 }
 505
 506
 507 /* options_xx ******************************************************************
 508
 509    Handle -XX: options.
 510
 511 *******************************************************************************/
 512
 513 void options_xx(JavaVMInitArgs *vm_args)
 514 {
 515         const char *name;
 516         const char *start;
 517         char       *end;
 518         int         length;
 519         int         enable;
 520         char       *value;
 521         option_t   *opt;
 522         char       *filename;
 523         FILE       *file;
 524         int         i;
 525
 526         /* Iterate over all passed options. */
 527
 528         for (i = 0; i < vm_args->nOptions; i++) {
 529                 /* Get the current option. */
 530
 531                 name = vm_args->options[i].optionString;
 532
 533                 /* Check for help (-XX). */
 534
 535                 if (strcmp(name, "-XX") == 0)
 536                         options_xxusage();
 537
 538                 /* Check if the option start with -XX. */
 539
 540                 start = strstr(name, "-XX:");
 541
 542                 if ((start == NULL) || (start != name))
 543                         continue;
 544
 545                 /* Check if the option is a boolean option. */
 546
 547                 if (name[4] == '+') {
 548                         start  = name + 4 + 1;
 549                         enable = 1;
 550                 }
 551                 else if (name[4] == '-') {
 552                         start  = name + 4 + 1;
 553                         enable = 0;
 554                 }
 555                 else {
 556                         start  = name + 4;
 557                         enable = -1;
 558                 }
 559
 560                 /* Search for a '=' in the option name and get the option name
 561                    length and the value of the option. */
 562
 563                 end = strchr(start, '=');
 564
 565                 if (end == NULL) {
 566                         length = os_strlen(start);
 567                         value  = NULL;
 568                 }
 569                 else {
 570                         length = end - start;
 571                         value  = end + 1;
 572                 }
 573
 574                 /* Search the option in the option array. */
 575
 576                 for (opt = options_XX; opt->name != NULL; opt++) {
 577                         if (strncmp(opt->name, start, length) == 0) {
 578                                 /* Check if the options passed fits to the type. */
 579
 580                                 switch (opt->type) {
 581                                 case OPT_TYPE_BOOLEAN:
 582                                         if ((enable == -1) || (value != NULL))
 583                                                 options_xxusage();
 584                                         break;
 585                                 case OPT_TYPE_VALUE:
 586                                         if ((enable != -1) || (value == NULL))
 587                                                 options_xxusage();
 588                                         break;
 589                                 default:
 590                                         vm_abort("options_xx: unknown option type %d for option %s",
 591                                                          opt->type, opt->name);
 592                                 }
 593
 594                                 break;
 595                         }
 596                 }
 597
 598                 /* Process the option. */
 599
 600                 switch (opt->value) {
 601
 602                 /* Options which must always be available (production options
 603                    in HotSpot). */
 604
 605                 case OPT_MaxDirectMemorySize:
 606                         opt_MaxDirectMemorySize = os_atoi(value);
 607                         break;
 608
 609                 case OPT_MaxPermSize:
 610                         /* Currently ignored. */
 611                         break;
 612
 613                 case OPT_PermSize:
 614                         /* Currently ignored. */
 615                         break;
 616
 617                 case OPT_ThreadStackSize:
 618                         /* currently ignored */
 619                         break;
 620
 621                 /* Debugging options which can be turned off. */
 622
 623                 case OPT_DebugExceptions:
 624                         opt_DebugExceptions = enable;
 625                         break;
 626
 627                 case OPT_DebugFinalizer:
 628                         opt_DebugFinalizer = enable;
 629                         break;
 630
 631                 case OPT_DebugLocalReferences:
 632                         opt_DebugLocalReferences = enable;
 633                         break;
 634
 635                 case OPT_DebugLocks:
 636                         opt_DebugLocks = enable;
 637                         break;
 638
 639                 case OPT_DebugPackage:
 640                         opt_DebugPackage = enable;
 641                         break;
 642
 643                 case OPT_DebugPatcher:
 644                         opt_DebugPatcher = enable;
 645                         break;
 646
 647                 case OPT_DebugProperties:
 648                         opt_DebugProperties = enable;
 649                         break;
 650
 651                 case OPT_DebugStackFrameInfo:
 652                         opt_DebugStackFrameInfo = enable;
 653                         break;
 654
 655                 case OPT_DebugStackTrace:
 656                         opt_DebugStackTrace = enable;
 657                         break;
 658
 659                 case OPT_DebugThreads:
 660                         opt_DebugThreads = enable;
 661                         break;
 662
 663 #if defined(ENABLE_DISASSEMBLER)
 664                 case OPT_DisassembleStubs:
 665                         opt_DisassembleStubs = enable;
 666                         break;
 667 #endif
 668
 669 #if defined(ENABLE_OPAGENT)
 670                 case OPT_EnableOpagent:
 671                         opt_EnableOpagent = enable;
 672                         break;
 673 #endif
 674
 675 #if defined(ENABLE_GC_CACAO)
 676                 case OPT_GCDebugRootSet:
 677                         opt_GCDebugRootSet = enable;
 678                         break;
 679
 680                 case OPT_GCStress:
 681                         opt_GCStress = enable;
 682                         break;
 683 #endif
 684
 685 #if defined(ENABLE_INLINING)
 686                 case OPT_Inline:
 687                         opt_Inline = enable;
 688                         break;
 689 #if defined(ENABLE_INLINING_DEBUG) || !defined(NDEBUG)
 690                 case OPT_InlineAll:
 691                         opt_InlineAll = enable;
 692                         break;
 693
 694                 case OPT_InlineCount:
 695                         if (value != NULL)
 696                                 opt_InlineCount = os_atoi(value);
 697                         break;
 698
 699                 case OPT_InlineMaxSize:
 700                         if (value != NULL)
 701                                 opt_InlineMaxSize = os_atoi(value);
 702                         break;
 703
 704                 case OPT_InlineMinSize:
 705                         if (value != NULL)
 706                                 opt_InlineMinSize = os_atoi(value);
 707                         break;
 708 #endif
 709 #endif
 710
 711                 case OPT_PrintConfig:
 712                         opt_PrintConfig = enable;
 713                         break;
 714
 715                 case OPT_ProfileGCMemoryUsage:
 716                         if (value == NULL)
 717                                 opt_ProfileGCMemoryUsage = 5;
 718                         else
 719                                 opt_ProfileGCMemoryUsage = os_atoi(value);
 720                         break;
 721
 722                 case OPT_ProfileMemoryUsage:
 723                         if (value == NULL)
 724                                 opt_ProfileMemoryUsage = 5;
 725                         else
 726                                 opt_ProfileMemoryUsage = os_atoi(value);
 727
 728 # if defined(ENABLE_STATISTICS)
 729                         /* we also need statistics */
 730
 731                         opt_stat = true;
 732 # endif
 733                         break;
 734
 735                 case OPT_ProfileMemoryUsageGNUPlot:
 736                         if (value == NULL)
 737                                 filename = "profile.dat";
 738                         else
 739                                 filename = value;
 740
 741                         file = fopen(filename, "w");
 742
 743                         if (file == NULL)
 744                                 vm_abort_errno("options_xx: fopen failed");
 745
 746                         opt_ProfileMemoryUsageGNUPlot = file;
 747                         break;
 748
 749 #if defined(ENABLE_REPLACEMENT)
 750                 case OPT_TestReplacement:
 751                         opt_TestReplacement = enable;
 752                         break;
 753 #endif
 754
 755                 case OPT_TraceCompilerCalls:
 756                         opt_TraceCompilerCalls = enable;
 757                         break;
 758
 759                 case OPT_TraceExceptions:
 760                         opt_TraceExceptions = enable;
 761                         break;
 762
 763                 case OPT_TraceHPI:
 764                         opt_TraceHPI = enable;
 765                         break;
 766
 767 #if defined(ENABLE_INLINING) && !defined(NDEBUG)
 768                 case OPT_TraceInlining:
 769                         if (value == NULL)
 770                                 opt_TraceInlining = 1;
 771                         else
 772                                 opt_TraceInlining = os_atoi(value);
 773                         break;
 774 #endif
 775
 776                 case OPT_TraceJavaCalls:
 777                         opt_verbosecall = enable;
 778                         opt_TraceJavaCalls = enable;
 779                         break;
 780
 781                 case OPT_TraceJNICalls:
 782                         opt_TraceJNICalls = enable;
 783                         break;
 784
 785                 case OPT_TraceJVMCalls:
 786                         opt_TraceJVMCalls = enable;
 787                         break;
 788
 789                 case OPT_TraceJVMCallsVerbose:
 790                         opt_TraceJVMCallsVerbose = enable;
 791                         break;
 792
 793                 case OPT_TraceLinkClass:
 794                         opt_TraceLinkClass = enable;
 795                         break;
 796
 797 #if defined(ENABLE_REPLACEMENT)
 798                 case OPT_TraceReplacement:
 799                         if (value == NULL)
 800                                 opt_TraceReplacement = 1;
 801                         else
 802                                 opt_TraceReplacement = os_atoi(value);
 803                         break;
 804 #endif
 805
 806                 case OPT_TraceSubsystemInitialization:
 807                         opt_TraceSubsystemInitialization = enable;
 808                         break;
 809
 810                 case OPT_TraceTraps:
 811                         opt_TraceTraps = enable;
 812                         break;
 813
 814 #if defined(ENABLE_VMLOG)
 815                 case OPT_Vmlog:
 816                         if (value == NULL)
 817                                 vmlog_cacao_set_prefix("vmlog");
 818                         else
 819                                 vmlog_cacao_set_prefix(value);
 820                         opt_verbosecall = 1;
 821                         opt_TraceJavaCalls = 1;
 822                         break;
 823
 824                 case OPT_VmlogStrings:
 825                         if (value != NULL)
 826                                 vmlog_cacao_set_stringprefix(value);
 827                         break;
 828
 829                 case OPT_VmlogIgnore:
 830                         if (value != NULL)
 831                                 vmlog_cacao_set_ignoreprefix(value);
 832                         break;
 833 #endif
 834
 835                 default:
 836                         printf("Unknown -XX option: %s\n", name);
 837                         break;
 838                 }
 839         }
 840 }
 841
 842
 843 /*
 844  * These are local overrides for various environment variables in Emacs.
 845  * Please do not remove this and leave it at the end of the file, where
 846  * Emacs will automagically detect them.
 847  * ---------------------------------------------------------------------
 848  * Local variables:
 849  * mode: c
 850  * indent-tabs-mode: t
 851  * c-basic-offset: 4
 852  * tab-width: 4
 853  * End:
 854  */