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 checksync = true;         /* do synchronization                         */
  91 #if defined(ENABLE_LOOP)
  92 bool opt_loops = false;        /* optimize array accesses in loops           */
  93 #endif
  94
  95 bool makeinitializations = true;
  96
  97 #if defined(ENABLE_STATISTICS)
  98 bool opt_stat    = false;
  99 bool opt_getloadingtime = false;   /* to measure the runtime                 */
 100 bool opt_getcompilingtime = false; /* compute compile time                   */
 101 #endif
 102 #if defined(ENABLE_VERIFIER)
 103 bool opt_verify  = true;       /* true if classfiles should be verified      */
 104 #endif
 105
 106 #if defined(ENABLE_PROFILING)
 107 bool opt_prof    = false;
 108 bool opt_prof_bb = false;
 109 #endif
 110
 111 #if defined(ENABLE_OPAGENT)
 112 bool opt_opagent = false;
 113 #endif
 114
 115 /* optimization options *******************************************************/
 116
 117 #if defined(ENABLE_IFCONV)
 118 bool opt_ifconv = false;
 119 #endif
 120
 121 #if defined(ENABLE_LSRA) || defined(ENABLE_SSA)
 122 bool opt_lsra = false;
 123 #endif
 124 #if defined(ENABLE_SSA)
 125 bool opt_ssa_dce = false;          /* enable dead code elemination */
 126 bool opt_ssa_cp = false;           /* enable copy propagation      */
 127 #endif
 128
 129
 130 /* interpreter options ********************************************************/
 131
 132 #if defined(ENABLE_INTRP)
 133 bool opt_no_dynamic = false;            /* suppress dynamic superinstructions */
 134 bool opt_no_replication = false;        /* don't use replication in intrp     */
 135 bool opt_no_quicksuper = false;         /* instructions for quickening cannot be
 136                                                                                    part of dynamic superinstructions */
 137
 138 s4   opt_static_supers = 0x7fffffff;
 139 bool vm_debug = false;          /* XXX this should be called `opt_trace'      */
 140 #endif
 141
 142 #if defined(ENABLE_DEBUG_FILTER)
 143 const char *opt_filter_verbosecall_include = 0;
 144 const char *opt_filter_verbosecall_exclude = 0;
 145 const char *opt_filter_show_method = 0;
 146 #endif
 147
 148
 149 /* -XX options ****************************************************************/
 150
 151 /* NOTE: For better readability keep these alpha-sorted. */
 152
 153 /* Options which must always be available (production options in
 154    HotSpot). */
 155
 156 int64_t  opt_MaxDirectMemorySize          = -1;
 157 int      opt_MaxPermSize                  = 0;
 158 int      opt_PermSize                     = 0;
 159 int      opt_ThreadStackSize              = 0;
 160
 161 /* Debugging options which can be turned off. */
 162
 163 bool     opt_AlwaysEmitLongBranches       = false;
 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_AlwaysEmitLongBranches,
 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         { "AlwaysEmitLongBranches",       OPT_AlwaysEmitLongBranches,       OPT_TYPE_BOOLEAN, "Always emit long-branches." },
 289         { "DebugExceptions",              OPT_DebugExceptions,              OPT_TYPE_BOOLEAN, "debug exceptions" },
 290         { "DebugFinalizer",               OPT_DebugFinalizer,               OPT_TYPE_BOOLEAN, "debug finalizer thread" },
 291         { "DebugLocalReferences",         OPT_DebugLocalReferences,         OPT_TYPE_BOOLEAN, "print debug information for local reference tables" },
 292         { "DebugLocks",                   OPT_DebugLocks,                   OPT_TYPE_BOOLEAN, "print debug information for locks" },
 293         { "DebugPackage",                 OPT_DebugPackage,                 OPT_TYPE_BOOLEAN, "debug Java boot-packages" },
 294         { "DebugPatcher",                 OPT_DebugPatcher,                 OPT_TYPE_BOOLEAN, "debug JIT code patching" },
 295         { "DebugProperties",              OPT_DebugProperties,              OPT_TYPE_BOOLEAN, "print debug information for properties" },
 296         { "DebugStackFrameInfo",          OPT_DebugStackFrameInfo,          OPT_TYPE_BOOLEAN, "TODO" },
 297         { "DebugStackTrace",              OPT_DebugStackTrace,              OPT_TYPE_BOOLEAN, "debug stacktrace creation" },
 298         { "DebugThreads",                 OPT_DebugThreads,                 OPT_TYPE_BOOLEAN, "print debug information for threads" },
 299 #if defined(ENABLE_DISASSEMBLER)
 300         { "DisassembleStubs",             OPT_DisassembleStubs,             OPT_TYPE_BOOLEAN, "disassemble builtin and native stubs when generated" },
 301 #endif
 302 #if defined(ENABLE_OPAGENT)
 303         { "EnableOpagent",                OPT_EnableOpagent,                OPT_TYPE_BOOLEAN, "enable providing JIT output to Oprofile" },
 304 #endif
 305 #if defined(ENABLE_GC_CACAO)
 306         { "GCDebugRootSet",               OPT_GCDebugRootSet,               OPT_TYPE_BOOLEAN, "GC: print root-set at collection" },
 307         { "GCStress",                     OPT_GCStress,                     OPT_TYPE_BOOLEAN, "GC: forced collection at every allocation" },
 308 #endif
 309 #if defined(ENABLE_INLINING)
 310         { "Inline",                       OPT_Inline,                       OPT_TYPE_BOOLEAN, "enable method inlining" },
 311 #if defined(ENABLE_INLINING_DEBUG) || !defined(NDEBUG)
 312         { "InlineAll",                    OPT_InlineAll,                    OPT_TYPE_BOOLEAN, "use inlining in all compilations" },
 313         { "InlineCount",                  OPT_InlineCount,                  OPT_TYPE_VALUE,   "stop inlining after the given number of roots" },
 314         { "InlineMaxSize",                OPT_InlineMaxSize,                OPT_TYPE_VALUE,   "maximum size for inlined result" },
 315         { "InlineMinSize",                OPT_InlineMinSize,                OPT_TYPE_VALUE,   "minimum size for inlined result" },
 316 #endif
 317 #endif
 318         { "PrintConfig",                  OPT_PrintConfig,                  OPT_TYPE_BOOLEAN, "print VM configuration" },
 319         { "ProfileGCMemoryUsage",         OPT_ProfileGCMemoryUsage,         OPT_TYPE_VALUE,   "profiles GC memory usage in the given interval, <value> is in seconds (default: 5)" },
 320         { "ProfileMemoryUsage",           OPT_ProfileMemoryUsage,           OPT_TYPE_VALUE,   "TODO" },
 321         { "ProfileMemoryUsageGNUPlot",    OPT_ProfileMemoryUsageGNUPlot,    OPT_TYPE_VALUE,   "TODO" },
 322 #if defined(ENABLE_REPLACEMENT)
 323         { "TestReplacement",              OPT_TestReplacement,              OPT_TYPE_BOOLEAN, "activate all replacement points during code generation" },
 324 #endif
 325         { "TraceCompilerCalls",           OPT_TraceCompilerCalls,           OPT_TYPE_BOOLEAN, "trace JIT compiler calls" },
 326         { "TraceExceptions",              OPT_TraceExceptions,              OPT_TYPE_BOOLEAN, "trace Exception throwing" },
 327         { "TraceHPI",                     OPT_TraceHPI,                     OPT_TYPE_BOOLEAN, "Trace Host Porting Interface (HPI)" },
 328 #if defined(ENABLE_INLINING) && !defined(NDEBUG)
 329         { "TraceInlining",                OPT_TraceInlining,                OPT_TYPE_VALUE,   "trace method inlining with the given verbosity level (default: 1)" },
 330 #endif
 331 #if !defined(ENABLE_VMLOG)
 332         { "TraceJavaCalls",               OPT_TraceJavaCalls,               OPT_TYPE_BOOLEAN, "trace Java method calls" },
 333 #endif
 334         { "TraceJNICalls",                OPT_TraceJNICalls,                OPT_TYPE_BOOLEAN, "trace JNI method calls" },
 335         { "TraceJVMCalls",                OPT_TraceJVMCalls,                OPT_TYPE_BOOLEAN, "trace JVM method calls but omit very frequent ones" },
 336         { "TraceJVMCallsVerbose",         OPT_TraceJVMCallsVerbose,         OPT_TYPE_BOOLEAN, "trace all JVM method calls" },
 337         { "TraceLinkClass",               OPT_TraceLinkClass,               OPT_TYPE_BOOLEAN, "trace class linking" },
 338 #if defined(ENABLE_REPLACEMENT)
 339         { "TraceReplacement",             OPT_TraceReplacement,             OPT_TYPE_VALUE,   "trace on-stack replacement with the given verbosity level (default: 1)" },
 340 #endif
 341         { "TraceSubsystemInitialization", OPT_TraceSubsystemInitialization, OPT_TYPE_BOOLEAN, "trace initialization of subsystems" },
 342         { "TraceTraps",                   OPT_TraceTraps,                   OPT_TYPE_BOOLEAN, "trace traps generated by JIT code" },
 343 #if defined(ENABLE_VMLOG)
 344         { "Vmlog",                        OPT_Vmlog,                        OPT_TYPE_VALUE,   "prefix for vmlog trace files (enables vmlog)" },
 345         { "VmlogStrings",                 OPT_VmlogStrings,                 OPT_TYPE_VALUE,   "prefix of vmlog string file to load" },
 346         { "VmlogIgnore",                  OPT_VmlogIgnore,                  OPT_TYPE_VALUE,   "prefix of vmlog ignore file to load" },
 347 #endif
 348
 349         /* end marker */
 350
 351         { NULL,                           -1,                               -1,               NULL }
 352 };
 353
 354
 355 /* options_get *****************************************************************
 356
 357    DOCUMENT ME!!!
 358
 359 *******************************************************************************/
 360
 361 int options_get(opt_struct *opts, JavaVMInitArgs *vm_args)
 362 {
 363         char *option;
 364         int   i;
 365
 366         if (opt_index >= vm_args->nOptions)
 367                 return OPT_DONE;
 368
 369         /* get the current option */
 370
 371         option = vm_args->options[opt_index].optionString;
 372
 373         if ((option == NULL) || (option[0] != '-'))
 374                 return OPT_DONE;
 375
 376         for (i = 0; opts[i].name; i++) {
 377                 if (!opts[i].arg) {
 378                         /* boolean option found */
 379
 380                         if (strcmp(option + 1, opts[i].name) == 0) {
 381                                 opt_index++;
 382                                 return opts[i].value;
 383                         }
 384
 385                 } else {
 386                         /* parameter option found */
 387
 388                         /* with a space between */
 389
 390                         if (strcmp(option + 1, opts[i].name) == 0) {
 391                                 opt_index++;
 392
 393                                 if (opt_index < vm_args->nOptions) {
 394                                         opt_arg = os_strdup(vm_args->options[opt_index].optionString);
 395                                         opt_index++;
 396                                         return opts[i].value;
 397                                 }
 398
 399                                 return OPT_ERROR;
 400
 401                         } else {
 402                                 /* parameter and option have no space between */
 403
 404                                 /* FIXME: this assumption is plain wrong, hits you if there is a
 405                                  * parameter with no argument starting with same letter as param with argument
 406                                  * but named after that one, ouch! */
 407
 408                                 size_t l = os_strlen(opts[i].name);
 409
 410                                 if (os_strlen(option + 1) > l) {
 411                                         if (memcmp(option + 1, opts[i].name, l) == 0) {
 412                                                 opt_index++;
 413                                                 opt_arg = os_strdup(option + 1 + l);
 414                                                 return opts[i].value;
 415                                         }
 416                                 }
 417                         }
 418                 }
 419         }
 420
 421         return OPT_ERROR;
 422 }
 423
 424
 425 /* options_xxusage *************************************************************
 426
 427    Print usage message for debugging options.
 428
 429 *******************************************************************************/
 430
 431 static void options_xxusage(void)
 432 {
 433         option_t   *opt;
 434         int         length;
 435         int         i;
 436         const char *c;
 437
 438         /* Prevent compiler warning. */
 439
 440         length = 0;
 441
 442         for (opt = options_XX; opt->name != NULL; opt++) {
 443                 printf("    -XX:");
 444
 445                 switch (opt->type) {
 446                 case OPT_TYPE_BOOLEAN:
 447                         printf("+%s", opt->name);
 448                         length = os_strlen("    -XX:+") + os_strlen(opt->name);
 449                         break;
 450
 451                 case OPT_TYPE_VALUE:
 452                         printf("%s=<value>", opt->name);
 453                         length = os_strlen("    -XX:") + os_strlen(opt->name) +
 454                                 os_strlen("=<value>");
 455                         break;
 456
 457                 default:
 458                         vm_abort("options_xxusage: unkown option type %d", opt->type);
 459                 }
 460
 461                 /* Check if the help fits into one 80-column line.
 462                    Documentation starts at column 29. */
 463
 464                 if (length < (29 - 1)) {
 465                         /* Print missing spaces up to column 29. */
 466
 467                         for (i = length; i < 29; i++)
 468                                 printf(" ");
 469                 }
 470                 else {
 471                         printf("\n");
 472                         printf("                             "); /* 29 spaces */
 473                 }
 474
 475                 /* Check documentation length. */
 476
 477                 length = os_strlen(opt->doc);
 478
 479                 if (length < (80 - 29)) {
 480                         printf("%s", opt->doc);
 481                 }
 482                 else {
 483                         for (c = opt->doc, i = 29; *c != 0; c++, i++) {
 484                                 /* If we are at the end of the line, break it. */
 485
 486                                 if (i == 80) {
 487                                         printf("\n");
 488                                         printf("                             "); /* 29 spaces */
 489                                         i = 29;
 490                                 }
 491
 492                                 printf("%c", *c);
 493                         }
 494                 }
 495
 496                 printf("\n");
 497         }
 498
 499         /* exit with error code */
 500
 501         exit(1);
 502 }
 503
 504
 505 /* options_xx ******************************************************************
 506
 507    Handle -XX: options.
 508
 509 *******************************************************************************/
 510
 511 void options_xx(JavaVMInitArgs *vm_args)
 512 {
 513         const char *name;
 514         const char *start;
 515         char       *end;
 516         int         length;
 517         int         enable;
 518         char       *value;
 519         option_t   *opt;
 520         char       *filename;
 521         FILE       *file;
 522         int         i;
 523
 524         /* Iterate over all passed options. */
 525
 526         for (i = 0; i < vm_args->nOptions; i++) {
 527                 /* Get the current option. */
 528
 529                 name = vm_args->options[i].optionString;
 530
 531                 /* Check for help (-XX). */
 532
 533                 if (strcmp(name, "-XX") == 0)
 534                         options_xxusage();
 535
 536                 /* Check if the option start with -XX. */
 537
 538                 start = strstr(name, "-XX:");
 539
 540                 if ((start == NULL) || (start != name))
 541                         continue;
 542
 543                 /* Check if the option is a boolean option. */
 544
 545                 if (name[4] == '+') {
 546                         start  = name + 4 + 1;
 547                         enable = 1;
 548                 }
 549                 else if (name[4] == '-') {
 550                         start  = name + 4 + 1;
 551                         enable = 0;
 552                 }
 553                 else {
 554                         start  = name + 4;
 555                         enable = -1;
 556                 }
 557
 558                 /* Search for a '=' in the option name and get the option name
 559                    length and the value of the option. */
 560
 561                 end = strchr(start, '=');
 562
 563                 if (end == NULL) {
 564                         length = os_strlen(start);
 565                         value  = NULL;
 566                 }
 567                 else {
 568                         length = end - start;
 569                         value  = end + 1;
 570                 }
 571
 572                 /* Search the option in the option array. */
 573
 574                 for (opt = options_XX; opt->name != NULL; opt++) {
 575                         if (strncmp(opt->name, start, length) == 0) {
 576                                 /* Check if the options passed fits to the type. */
 577
 578                                 switch (opt->type) {
 579                                 case OPT_TYPE_BOOLEAN:
 580                                         if ((enable == -1) || (value != NULL))
 581                                                 options_xxusage();
 582                                         break;
 583                                 case OPT_TYPE_VALUE:
 584                                         if ((enable != -1) || (value == NULL))
 585                                                 options_xxusage();
 586                                         break;
 587                                 default:
 588                                         vm_abort("options_xx: unknown option type %d for option %s",
 589                                                          opt->type, opt->name);
 590                                 }
 591
 592                                 break;
 593                         }
 594                 }
 595
 596                 /* Process the option. */
 597
 598                 switch (opt->value) {
 599
 600                 /* Options which must always be available (production options
 601                    in HotSpot). */
 602
 603                 case OPT_MaxDirectMemorySize:
 604                         opt_MaxDirectMemorySize = os_atoi(value);
 605                         break;
 606
 607                 case OPT_MaxPermSize:
 608                         /* Currently ignored. */
 609                         break;
 610
 611                 case OPT_PermSize:
 612                         /* Currently ignored. */
 613                         break;
 614
 615                 case OPT_ThreadStackSize:
 616                         /* currently ignored */
 617                         break;
 618
 619                 /* Debugging options which can be turned off. */
 620
 621                 case OPT_AlwaysEmitLongBranches:
 622                         opt_AlwaysEmitLongBranches = enable;
 623                         break;
 624
 625                 case OPT_DebugExceptions:
 626                         opt_DebugExceptions = enable;
 627                         break;
 628
 629                 case OPT_DebugFinalizer:
 630                         opt_DebugFinalizer = enable;
 631                         break;
 632
 633                 case OPT_DebugLocalReferences:
 634                         opt_DebugLocalReferences = enable;
 635                         break;
 636
 637                 case OPT_DebugLocks:
 638                         opt_DebugLocks = enable;
 639                         break;
 640
 641                 case OPT_DebugPackage:
 642                         opt_DebugPackage = enable;
 643                         break;
 644
 645                 case OPT_DebugPatcher:
 646                         opt_DebugPatcher = enable;
 647                         break;
 648
 649                 case OPT_DebugProperties:
 650                         opt_DebugProperties = enable;
 651                         break;
 652
 653                 case OPT_DebugStackFrameInfo:
 654                         opt_DebugStackFrameInfo = enable;
 655                         break;
 656
 657                 case OPT_DebugStackTrace:
 658                         opt_DebugStackTrace = enable;
 659                         break;
 660
 661                 case OPT_DebugThreads:
 662                         opt_DebugThreads = enable;
 663                         break;
 664
 665 #if defined(ENABLE_DISASSEMBLER)
 666                 case OPT_DisassembleStubs:
 667                         opt_DisassembleStubs = enable;
 668                         break;
 669 #endif
 670
 671 #if defined(ENABLE_OPAGENT)
 672                 case OPT_EnableOpagent:
 673                         opt_EnableOpagent = enable;
 674                         break;
 675 #endif
 676
 677 #if defined(ENABLE_GC_CACAO)
 678                 case OPT_GCDebugRootSet:
 679                         opt_GCDebugRootSet = enable;
 680                         break;
 681
 682                 case OPT_GCStress:
 683                         opt_GCStress = enable;
 684                         break;
 685 #endif
 686
 687 #if defined(ENABLE_INLINING)
 688                 case OPT_Inline:
 689                         opt_Inline = enable;
 690                         break;
 691 #if defined(ENABLE_INLINING_DEBUG) || !defined(NDEBUG)
 692                 case OPT_InlineAll:
 693                         opt_InlineAll = enable;
 694                         break;
 695
 696                 case OPT_InlineCount:
 697                         if (value != NULL)
 698                                 opt_InlineCount = os_atoi(value);
 699                         break;
 700
 701                 case OPT_InlineMaxSize:
 702                         if (value != NULL)
 703                                 opt_InlineMaxSize = os_atoi(value);
 704                         break;
 705
 706                 case OPT_InlineMinSize:
 707                         if (value != NULL)
 708                                 opt_InlineMinSize = os_atoi(value);
 709                         break;
 710 #endif
 711 #endif
 712
 713                 case OPT_PrintConfig:
 714                         opt_PrintConfig = enable;
 715                         break;
 716
 717                 case OPT_ProfileGCMemoryUsage:
 718                         if (value == NULL)
 719                                 opt_ProfileGCMemoryUsage = 5;
 720                         else
 721                                 opt_ProfileGCMemoryUsage = os_atoi(value);
 722                         break;
 723
 724                 case OPT_ProfileMemoryUsage:
 725                         if (value == NULL)
 726                                 opt_ProfileMemoryUsage = 5;
 727                         else
 728                                 opt_ProfileMemoryUsage = os_atoi(value);
 729
 730 # if defined(ENABLE_STATISTICS)
 731                         /* we also need statistics */
 732
 733                         opt_stat = true;
 734 # endif
 735                         break;
 736
 737                 case OPT_ProfileMemoryUsageGNUPlot:
 738                         if (value == NULL)
 739                                 filename = "profile.dat";
 740                         else
 741                                 filename = value;
 742
 743                         file = fopen(filename, "w");
 744
 745                         if (file == NULL)
 746                                 vm_abort_errno("options_xx: fopen failed");
 747
 748                         opt_ProfileMemoryUsageGNUPlot = file;
 749                         break;
 750
 751 #if defined(ENABLE_REPLACEMENT)
 752                 case OPT_TestReplacement:
 753                         opt_TestReplacement = enable;
 754                         break;
 755 #endif
 756
 757                 case OPT_TraceCompilerCalls:
 758                         opt_TraceCompilerCalls = enable;
 759                         break;
 760
 761                 case OPT_TraceExceptions:
 762                         opt_TraceExceptions = enable;
 763                         break;
 764
 765                 case OPT_TraceHPI:
 766                         opt_TraceHPI = enable;
 767                         break;
 768
 769 #if defined(ENABLE_INLINING) && !defined(NDEBUG)
 770                 case OPT_TraceInlining:
 771                         if (value == NULL)
 772                                 opt_TraceInlining = 1;
 773                         else
 774                                 opt_TraceInlining = os_atoi(value);
 775                         break;
 776 #endif
 777
 778                 case OPT_TraceJavaCalls:
 779                         opt_verbosecall = enable;
 780                         opt_TraceJavaCalls = enable;
 781                         break;
 782
 783                 case OPT_TraceJNICalls:
 784                         opt_TraceJNICalls = enable;
 785                         break;
 786
 787                 case OPT_TraceJVMCalls:
 788                         opt_TraceJVMCalls = enable;
 789                         break;
 790
 791                 case OPT_TraceJVMCallsVerbose:
 792                         opt_TraceJVMCallsVerbose = enable;
 793                         break;
 794
 795                 case OPT_TraceLinkClass:
 796                         opt_TraceLinkClass = enable;
 797                         break;
 798
 799 #if defined(ENABLE_REPLACEMENT)
 800                 case OPT_TraceReplacement:
 801                         if (value == NULL)
 802                                 opt_TraceReplacement = 1;
 803                         else
 804                                 opt_TraceReplacement = os_atoi(value);
 805                         break;
 806 #endif
 807
 808                 case OPT_TraceSubsystemInitialization:
 809                         opt_TraceSubsystemInitialization = enable;
 810                         break;
 811
 812                 case OPT_TraceTraps:
 813                         opt_TraceTraps = enable;
 814                         break;
 815
 816 #if defined(ENABLE_VMLOG)
 817                 case OPT_Vmlog:
 818                         if (value == NULL)
 819                                 vmlog_cacao_set_prefix("vmlog");
 820                         else
 821                                 vmlog_cacao_set_prefix(value);
 822                         opt_verbosecall = 1;
 823                         opt_TraceJavaCalls = 1;
 824                         break;
 825
 826                 case OPT_VmlogStrings:
 827                         if (value != NULL)
 828                                 vmlog_cacao_set_stringprefix(value);
 829                         break;
 830
 831                 case OPT_VmlogIgnore:
 832                         if (value != NULL)
 833                                 vmlog_cacao_set_ignoreprefix(value);
 834                         break;
 835 #endif
 836
 837                 default:
 838                         printf("Unknown -XX option: %s\n", name);
 839                         break;
 840                 }
 841         }
 842 }
 843
 844
 845 /*
 846  * These are local overrides for various environment variables in Emacs.
 847  * Please do not remove this and leave it at the end of the file, where
 848  * Emacs will automagically detect them.
 849  * ---------------------------------------------------------------------
 850  * Local variables:
 851  * mode: c
 852  * indent-tabs-mode: t
 853  * c-basic-offset: 4
 854  * tab-width: 4
 855  * End:
 856  */