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