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