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 #if defined(ENABLE_JITCACHE)
 167 int      opt_DebugJitCache                = 0;
 168 #endif
 169 int      opt_DebugLocalReferences         = 0;
 170 int      opt_DebugLocks                   = 0;
 171 int      opt_DebugPackage                 = 0;
 172 int      opt_DebugPatcher                 = 0;
 173 int      opt_DebugProperties              = 0;
 174 int      opt_DebugStackFrameInfo          = 0;
 175 int      opt_DebugStackTrace              = 0;
 176 int      opt_DebugThreads                 = 0;
 177 #if defined(ENABLE_DISASSEMBLER)
 178 int      opt_DisassembleStubs             = 0;
 179 #endif
 180 #if defined(ENABLE_OPAGENT)
 181 int      opt_EnableOpagent                = 0;
 182 #endif
 183 #if defined(ENABLE_GC_CACAO)
 184 int      opt_GCDebugRootSet               = 0;
 185 int      opt_GCStress                     = 0;
 186 #endif
 187 #if defined(ENABLE_INLINING)
 188 int      opt_Inline                       = 0;
 189 #if defined(ENABLE_INLINING_DEBUG) || !defined(NDEBUG)
 190 int      opt_InlineAll                    = 0;
 191 int      opt_InlineCount                  = INT_MAX;
 192 int      opt_InlineMaxSize                = INT_MAX;
 193 int      opt_InlineMinSize                = 0;
 194 #endif
 195 #endif
 196 int      opt_PrintConfig                  = 0;
 197 int      opt_ProfileGCMemoryUsage         = 0;
 198 int      opt_ProfileMemoryUsage           = 0;
 199 FILE    *opt_ProfileMemoryUsageGNUPlot    = NULL;
 200 #if defined(ENABLE_REPLACEMENT)
 201 int      opt_TestReplacement              = 0;
 202 #endif
 203 int      opt_TraceCompilerCalls           = 0;
 204 int      opt_TraceExceptions              = 0;
 205 int      opt_TraceHPI                     = 0;
 206 #if defined(ENABLE_INLINING) && !defined(NDEBUG)
 207 int      opt_TraceInlining                = 0;
 208 #endif
 209 int      opt_TraceJavaCalls               = 0;
 210 int      opt_TraceJNICalls                = 0;
 211 int      opt_TraceJVMCalls                = 0;
 212 int      opt_TraceJVMCallsVerbose         = 0;
 213 int      opt_TraceLinkClass               = 0;
 214 #if defined(ENABLE_REPLACEMENT)
 215 int      opt_TraceReplacement             = 0;
 216 #endif
 217 int      opt_TraceSubsystemInitialization = 0;
 218 int      opt_TraceTraps                   = 0;
 219
 220
 221 enum {
 222         OPT_TYPE_BOOLEAN,
 223         OPT_TYPE_VALUE
 224 };
 225
 226 enum {
 227         /* Options which must always be available (production options in
 228            HotSpot). */
 229
 230         OPT_MaxDirectMemorySize,
 231         OPT_MaxPermSize,
 232         OPT_PermSize,
 233         OPT_ThreadStackSize,
 234
 235         /* Debugging options which can be turned off. */
 236
 237         OPT_AlwaysEmitLongBranches,
 238         OPT_DebugExceptions,
 239         OPT_DebugFinalizer,
 240   OPT_DebugJitCache,
 241         OPT_DebugLocalReferences,
 242         OPT_DebugLocks,
 243         OPT_DebugPackage,
 244         OPT_DebugPatcher,
 245         OPT_DebugProperties,
 246         OPT_DebugStackFrameInfo,
 247         OPT_DebugStackTrace,
 248         OPT_DebugThreads,
 249         OPT_DisassembleStubs,
 250         OPT_EnableOpagent,
 251         OPT_GCDebugRootSet,
 252         OPT_GCStress,
 253         OPT_Inline,
 254         OPT_InlineAll,
 255         OPT_InlineCount,
 256         OPT_InlineMaxSize,
 257         OPT_InlineMinSize,
 258         OPT_PrintConfig,
 259         OPT_ProfileGCMemoryUsage,
 260         OPT_ProfileMemoryUsage,
 261         OPT_ProfileMemoryUsageGNUPlot,
 262         OPT_TestReplacement,
 263         OPT_TraceCompilerCalls,
 264         OPT_TraceExceptions,
 265         OPT_TraceHPI,
 266         OPT_TraceInlining,
 267         OPT_TraceJavaCalls,
 268         OPT_TraceJNICalls,
 269         OPT_TraceJVMCalls,
 270         OPT_TraceJVMCallsVerbose,
 271         OPT_TraceLinkClass,
 272         OPT_TraceReplacement,
 273         OPT_TraceSubsystemInitialization,
 274         OPT_TraceTraps,
 275         OPT_Vmlog,
 276         OPT_VmlogStrings,
 277         OPT_VmlogIgnore
 278 };
 279
 280
 281 option_t options_XX[] = {
 282         /* Options which must always be available (production options in
 283            HotSpot). */
 284
 285         { "MaxDirectMemorySize",          OPT_MaxDirectMemorySize,          OPT_TYPE_VALUE,   "Maximum total size of NIO direct-buffer allocations" },
 286         { "MaxPermSize",                  OPT_MaxPermSize,                  OPT_TYPE_VALUE,   "not implemented" },
 287         { "PermSize",                     OPT_PermSize,                     OPT_TYPE_VALUE,   "not implemented" },
 288         { "ThreadStackSize",              OPT_ThreadStackSize,              OPT_TYPE_VALUE,   "TODO" },
 289
 290         /* Debugging options which can be turned off. */
 291
 292         { "AlwaysEmitLongBranches",       OPT_AlwaysEmitLongBranches,       OPT_TYPE_BOOLEAN, "Always emit long-branches." },
 293         { "DebugExceptions",              OPT_DebugExceptions,              OPT_TYPE_BOOLEAN, "debug exceptions" },
 294         { "DebugFinalizer",               OPT_DebugFinalizer,               OPT_TYPE_BOOLEAN, "debug finalizer thread" },
 295 #if defined (ENABLE_JITCACHE)
 296   { "DebugJitCache",                OPT_DebugJitCache,                OPT_TYPE_BOOLEAN, "debug JIT cache actions" },
 297 #endif
 298         { "DebugLocalReferences",         OPT_DebugLocalReferences,         OPT_TYPE_BOOLEAN, "print debug information for local reference tables" },
 299         { "DebugLocks",                   OPT_DebugLocks,                   OPT_TYPE_BOOLEAN, "print debug information for locks" },
 300         { "DebugPackage",                 OPT_DebugPackage,                 OPT_TYPE_BOOLEAN, "debug Java boot-packages" },
 301         { "DebugPatcher",                 OPT_DebugPatcher,                 OPT_TYPE_BOOLEAN, "debug JIT code patching" },
 302         { "DebugProperties",              OPT_DebugProperties,              OPT_TYPE_BOOLEAN, "print debug information for properties" },
 303         { "DebugStackFrameInfo",          OPT_DebugStackFrameInfo,          OPT_TYPE_BOOLEAN, "TODO" },
 304         { "DebugStackTrace",              OPT_DebugStackTrace,              OPT_TYPE_BOOLEAN, "debug stacktrace creation" },
 305         { "DebugThreads",                 OPT_DebugThreads,                 OPT_TYPE_BOOLEAN, "print debug information for threads" },
 306 #if defined(ENABLE_DISASSEMBLER)
 307         { "DisassembleStubs",             OPT_DisassembleStubs,             OPT_TYPE_BOOLEAN, "disassemble builtin and native stubs when generated" },
 308 #endif
 309 #if defined(ENABLE_OPAGENT)
 310         { "EnableOpagent",                OPT_EnableOpagent,                OPT_TYPE_BOOLEAN, "enable providing JIT output to Oprofile" },
 311 #endif
 312 #if defined(ENABLE_GC_CACAO)
 313         { "GCDebugRootSet",               OPT_GCDebugRootSet,               OPT_TYPE_BOOLEAN, "GC: print root-set at collection" },
 314         { "GCStress",                     OPT_GCStress,                     OPT_TYPE_BOOLEAN, "GC: forced collection at every allocation" },
 315 #endif
 316 #if defined(ENABLE_INLINING)
 317         { "Inline",                       OPT_Inline,                       OPT_TYPE_BOOLEAN, "enable method inlining" },
 318 #if defined(ENABLE_INLINING_DEBUG) || !defined(NDEBUG)
 319         { "InlineAll",                    OPT_InlineAll,                    OPT_TYPE_BOOLEAN, "use inlining in all compilations" },
 320         { "InlineCount",                  OPT_InlineCount,                  OPT_TYPE_VALUE,   "stop inlining after the given number of roots" },
 321         { "InlineMaxSize",                OPT_InlineMaxSize,                OPT_TYPE_VALUE,   "maximum size for inlined result" },
 322         { "InlineMinSize",                OPT_InlineMinSize,                OPT_TYPE_VALUE,   "minimum size for inlined result" },
 323 #endif
 324 #endif
 325         { "PrintConfig",                  OPT_PrintConfig,                  OPT_TYPE_BOOLEAN, "print VM configuration" },
 326         { "ProfileGCMemoryUsage",         OPT_ProfileGCMemoryUsage,         OPT_TYPE_VALUE,   "profiles GC memory usage in the given interval, <value> is in seconds (default: 5)" },
 327         { "ProfileMemoryUsage",           OPT_ProfileMemoryUsage,           OPT_TYPE_VALUE,   "TODO" },
 328         { "ProfileMemoryUsageGNUPlot",    OPT_ProfileMemoryUsageGNUPlot,    OPT_TYPE_VALUE,   "TODO" },
 329 #if defined(ENABLE_REPLACEMENT)
 330         { "TestReplacement",              OPT_TestReplacement,              OPT_TYPE_BOOLEAN, "activate all replacement points during code generation" },
 331 #endif
 332         { "TraceCompilerCalls",           OPT_TraceCompilerCalls,           OPT_TYPE_BOOLEAN, "trace JIT compiler calls" },
 333         { "TraceExceptions",              OPT_TraceExceptions,              OPT_TYPE_BOOLEAN, "trace Exception throwing" },
 334         { "TraceHPI",                     OPT_TraceHPI,                     OPT_TYPE_BOOLEAN, "Trace Host Porting Interface (HPI)" },
 335 #if defined(ENABLE_INLINING) && !defined(NDEBUG)
 336         { "TraceInlining",                OPT_TraceInlining,                OPT_TYPE_VALUE,   "trace method inlining with the given verbosity level (default: 1)" },
 337 #endif
 338 #if !defined(ENABLE_VMLOG)
 339         { "TraceJavaCalls",               OPT_TraceJavaCalls,               OPT_TYPE_BOOLEAN, "trace Java method calls" },
 340 #endif
 341         { "TraceJNICalls",                OPT_TraceJNICalls,                OPT_TYPE_BOOLEAN, "trace JNI method calls" },
 342         { "TraceJVMCalls",                OPT_TraceJVMCalls,                OPT_TYPE_BOOLEAN, "trace JVM method calls but omit very frequent ones" },
 343         { "TraceJVMCallsVerbose",         OPT_TraceJVMCallsVerbose,         OPT_TYPE_BOOLEAN, "trace all JVM method calls" },
 344         { "TraceLinkClass",               OPT_TraceLinkClass,               OPT_TYPE_BOOLEAN, "trace class linking" },
 345 #if defined(ENABLE_REPLACEMENT)
 346         { "TraceReplacement",             OPT_TraceReplacement,             OPT_TYPE_VALUE,   "trace on-stack replacement with the given verbosity level (default: 1)" },
 347 #endif
 348         { "TraceSubsystemInitialization", OPT_TraceSubsystemInitialization, OPT_TYPE_BOOLEAN, "trace initialization of subsystems" },
 349         { "TraceTraps",                   OPT_TraceTraps,                   OPT_TYPE_BOOLEAN, "trace traps generated by JIT code" },
 350 #if defined(ENABLE_VMLOG)
 351         { "Vmlog",                        OPT_Vmlog,                        OPT_TYPE_VALUE,   "prefix for vmlog trace files (enables vmlog)" },
 352         { "VmlogStrings",                 OPT_VmlogStrings,                 OPT_TYPE_VALUE,   "prefix of vmlog string file to load" },
 353         { "VmlogIgnore",                  OPT_VmlogIgnore,                  OPT_TYPE_VALUE,   "prefix of vmlog ignore file to load" },
 354 #endif
 355
 356         /* end marker */
 357
 358         { NULL,                           -1,                               -1,               NULL }
 359 };
 360
 361
 362 /* options_get *****************************************************************
 363
 364    DOCUMENT ME!!!
 365
 366 *******************************************************************************/
 367
 368 int options_get(opt_struct *opts, JavaVMInitArgs *vm_args)
 369 {
 370         char *option;
 371         int   i;
 372
 373         if (opt_index >= vm_args->nOptions)
 374                 return OPT_DONE;
 375
 376         /* get the current option */
 377
 378         option = vm_args->options[opt_index].optionString;
 379
 380         if ((option == NULL) || (option[0] != '-'))
 381                 return OPT_DONE;
 382
 383         for (i = 0; opts[i].name; i++) {
 384                 if (!opts[i].arg) {
 385                         /* boolean option found */
 386
 387                         if (strcmp(option + 1, opts[i].name) == 0) {
 388                                 opt_index++;
 389                                 return opts[i].value;
 390                         }
 391
 392                 } else {
 393                         /* parameter option found */
 394
 395                         /* with a space between */
 396
 397                         if (strcmp(option + 1, opts[i].name) == 0) {
 398                                 opt_index++;
 399
 400                                 if (opt_index < vm_args->nOptions) {
 401                                         opt_arg = os_strdup(vm_args->options[opt_index].optionString);
 402                                         opt_index++;
 403                                         return opts[i].value;
 404                                 }
 405
 406                                 return OPT_ERROR;
 407
 408                         } else {
 409                                 /* parameter and option have no space between */
 410
 411                                 /* FIXME: this assumption is plain wrong, hits you if there is a
 412                                  * parameter with no argument starting with same letter as param with argument
 413                                  * but named after that one, ouch! */
 414
 415                                 size_t l = os_strlen(opts[i].name);
 416
 417                                 if (os_strlen(option + 1) > l) {
 418                                         if (memcmp(option + 1, opts[i].name, l) == 0) {
 419                                                 opt_index++;
 420                                                 opt_arg = os_strdup(option + 1 + l);
 421                                                 return opts[i].value;
 422                                         }
 423                                 }
 424                         }
 425                 }
 426         }
 427
 428         return OPT_ERROR;
 429 }
 430
 431
 432 /* options_xxusage *************************************************************
 433
 434    Print usage message for debugging options.
 435
 436 *******************************************************************************/
 437
 438 static void options_xxusage(void)
 439 {
 440         option_t   *opt;
 441         int         length;
 442         int         i;
 443         const char *c;
 444
 445         /* Prevent compiler warning. */
 446
 447         length = 0;
 448
 449         for (opt = options_XX; opt->name != NULL; opt++) {
 450                 printf("    -XX:");
 451
 452                 switch (opt->type) {
 453                 case OPT_TYPE_BOOLEAN:
 454                         printf("+%s", opt->name);
 455                         length = os_strlen("    -XX:+") + os_strlen(opt->name);
 456                         break;
 457
 458                 case OPT_TYPE_VALUE:
 459                         printf("%s=<value>", opt->name);
 460                         length = os_strlen("    -XX:") + os_strlen(opt->name) +
 461                                 os_strlen("=<value>");
 462                         break;
 463
 464                 default:
 465                         vm_abort("options_xxusage: unkown option type %d", opt->type);
 466                 }
 467
 468                 /* Check if the help fits into one 80-column line.
 469                    Documentation starts at column 29. */
 470
 471                 if (length < (29 - 1)) {
 472                         /* Print missing spaces up to column 29. */
 473
 474                         for (i = length; i < 29; i++)
 475                                 printf(" ");
 476                 }
 477                 else {
 478                         printf("\n");
 479                         printf("                             "); /* 29 spaces */
 480                 }
 481
 482                 /* Check documentation length. */
 483
 484                 length = os_strlen(opt->doc);
 485
 486                 if (length < (80 - 29)) {
 487                         printf("%s", opt->doc);
 488                 }
 489                 else {
 490                         for (c = opt->doc, i = 29; *c != 0; c++, i++) {
 491                                 /* If we are at the end of the line, break it. */
 492
 493                                 if (i == 80) {
 494                                         printf("\n");
 495                                         printf("                             "); /* 29 spaces */
 496                                         i = 29;
 497                                 }
 498
 499                                 printf("%c", *c);
 500                         }
 501                 }
 502
 503                 printf("\n");
 504         }
 505
 506         /* exit with error code */
 507
 508         exit(1);
 509 }
 510
 511
 512 /* options_xx ******************************************************************
 513
 514    Handle -XX: options.
 515
 516 *******************************************************************************/
 517
 518 void options_xx(JavaVMInitArgs *vm_args)
 519 {
 520         const char *name;
 521         const char *start;
 522         char       *end;
 523         int         length;
 524         int         enable;
 525         char       *value;
 526         option_t   *opt;
 527         char       *filename;
 528         FILE       *file;
 529         int         i;
 530
 531         /* Iterate over all passed options. */
 532
 533         for (i = 0; i < vm_args->nOptions; i++) {
 534                 /* Get the current option. */
 535
 536                 name = vm_args->options[i].optionString;
 537
 538                 /* Check for help (-XX). */
 539
 540                 if (strcmp(name, "-XX") == 0)
 541                         options_xxusage();
 542
 543                 /* Check if the option start with -XX. */
 544
 545                 start = strstr(name, "-XX:");
 546
 547                 if ((start == NULL) || (start != name))
 548                         continue;
 549
 550                 /* Check if the option is a boolean option. */
 551
 552                 if (name[4] == '+') {
 553                         start  = name + 4 + 1;
 554                         enable = 1;
 555                 }
 556                 else if (name[4] == '-') {
 557                         start  = name + 4 + 1;
 558                         enable = 0;
 559                 }
 560                 else {
 561                         start  = name + 4;
 562                         enable = -1;
 563                 }
 564
 565                 /* Search for a '=' in the option name and get the option name
 566                    length and the value of the option. */
 567
 568                 end = strchr(start, '=');
 569
 570                 if (end == NULL) {
 571                         length = os_strlen(start);
 572                         value  = NULL;
 573                 }
 574                 else {
 575                         length = end - start;
 576                         value  = end + 1;
 577                 }
 578
 579                 /* Search the option in the option array. */
 580
 581                 for (opt = options_XX; opt->name != NULL; opt++) {
 582                         if (strncmp(opt->name, start, length) == 0) {
 583                                 /* Check if the options passed fits to the type. */
 584
 585                                 switch (opt->type) {
 586                                 case OPT_TYPE_BOOLEAN:
 587                                         if ((enable == -1) || (value != NULL))
 588                                                 options_xxusage();
 589                                         break;
 590                                 case OPT_TYPE_VALUE:
 591                                         if ((enable != -1) || (value == NULL))
 592                                                 options_xxusage();
 593                                         break;
 594                                 default:
 595                                         vm_abort("options_xx: unknown option type %d for option %s",
 596                                                          opt->type, opt->name);
 597                                 }
 598
 599                                 break;
 600                         }
 601                 }
 602
 603                 /* Process the option. */
 604
 605                 switch (opt->value) {
 606
 607                 /* Options which must always be available (production options
 608                    in HotSpot). */
 609
 610                 case OPT_MaxDirectMemorySize:
 611                         opt_MaxDirectMemorySize = os_atoi(value);
 612                         break;
 613
 614                 case OPT_MaxPermSize:
 615                         /* Currently ignored. */
 616                         break;
 617
 618                 case OPT_PermSize:
 619                         /* Currently ignored. */
 620                         break;
 621
 622                 case OPT_ThreadStackSize:
 623                         /* currently ignored */
 624                         break;
 625
 626                 /* Debugging options which can be turned off. */
 627
 628                 case OPT_AlwaysEmitLongBranches:
 629                         opt_AlwaysEmitLongBranches = enable;
 630                         break;
 631
 632                 case OPT_DebugExceptions:
 633                         opt_DebugExceptions = enable;
 634                         break;
 635
 636                 case OPT_DebugFinalizer:
 637                         opt_DebugFinalizer = enable;
 638                         break;
 639
 640 #if defined(ENABLE_JITCACHE)
 641     case OPT_DebugJitCache:
 642       opt_DebugJitCache = enable;
 643       break;
 644 #endif
 645
 646                 case OPT_DebugLocalReferences:
 647                         opt_DebugLocalReferences = enable;
 648                         break;
 649
 650                 case OPT_DebugLocks:
 651                         opt_DebugLocks = enable;
 652                         break;
 653
 654                 case OPT_DebugPackage:
 655                         opt_DebugPackage = enable;
 656                         break;
 657
 658                 case OPT_DebugPatcher:
 659                         opt_DebugPatcher = enable;
 660                         break;
 661
 662                 case OPT_DebugProperties:
 663                         opt_DebugProperties = enable;
 664                         break;
 665
 666                 case OPT_DebugStackFrameInfo:
 667                         opt_DebugStackFrameInfo = enable;
 668                         break;
 669
 670                 case OPT_DebugStackTrace:
 671                         opt_DebugStackTrace = enable;
 672                         break;
 673
 674                 case OPT_DebugThreads:
 675                         opt_DebugThreads = enable;
 676                         break;
 677
 678 #if defined(ENABLE_DISASSEMBLER)
 679                 case OPT_DisassembleStubs:
 680                         opt_DisassembleStubs = enable;
 681                         break;
 682 #endif
 683
 684 #if defined(ENABLE_OPAGENT)
 685                 case OPT_EnableOpagent:
 686                         opt_EnableOpagent = enable;
 687                         break;
 688 #endif
 689
 690 #if defined(ENABLE_GC_CACAO)
 691                 case OPT_GCDebugRootSet:
 692                         opt_GCDebugRootSet = enable;
 693                         break;
 694
 695                 case OPT_GCStress:
 696                         opt_GCStress = enable;
 697                         break;
 698 #endif
 699
 700 #if defined(ENABLE_INLINING)
 701                 case OPT_Inline:
 702                         opt_Inline = enable;
 703                         break;
 704 #if defined(ENABLE_INLINING_DEBUG) || !defined(NDEBUG)
 705                 case OPT_InlineAll:
 706                         opt_InlineAll = enable;
 707                         break;
 708
 709                 case OPT_InlineCount:
 710                         if (value != NULL)
 711                                 opt_InlineCount = os_atoi(value);
 712                         break;
 713
 714                 case OPT_InlineMaxSize:
 715                         if (value != NULL)
 716                                 opt_InlineMaxSize = os_atoi(value);
 717                         break;
 718
 719                 case OPT_InlineMinSize:
 720                         if (value != NULL)
 721                                 opt_InlineMinSize = os_atoi(value);
 722                         break;
 723 #endif
 724 #endif
 725
 726                 case OPT_PrintConfig:
 727                         opt_PrintConfig = enable;
 728                         break;
 729
 730                 case OPT_ProfileGCMemoryUsage:
 731                         if (value == NULL)
 732                                 opt_ProfileGCMemoryUsage = 5;
 733                         else
 734                                 opt_ProfileGCMemoryUsage = os_atoi(value);
 735                         break;
 736
 737                 case OPT_ProfileMemoryUsage:
 738                         if (value == NULL)
 739                                 opt_ProfileMemoryUsage = 5;
 740                         else
 741                                 opt_ProfileMemoryUsage = os_atoi(value);
 742
 743 # if defined(ENABLE_STATISTICS)
 744                         /* we also need statistics */
 745
 746                         opt_stat = true;
 747 # endif
 748                         break;
 749
 750                 case OPT_ProfileMemoryUsageGNUPlot:
 751                         if (value == NULL)
 752                                 filename = "profile.dat";
 753                         else
 754                                 filename = value;
 755
 756                         file = fopen(filename, "w");
 757
 758                         if (file == NULL)
 759                                 vm_abort_errno("options_xx: fopen failed");
 760
 761                         opt_ProfileMemoryUsageGNUPlot = file;
 762                         break;
 763
 764 #if defined(ENABLE_REPLACEMENT)
 765                 case OPT_TestReplacement:
 766                         opt_TestReplacement = enable;
 767                         break;
 768 #endif
 769
 770                 case OPT_TraceCompilerCalls:
 771                         opt_TraceCompilerCalls = enable;
 772                         break;
 773
 774                 case OPT_TraceExceptions:
 775                         opt_TraceExceptions = enable;
 776                         break;
 777
 778                 case OPT_TraceHPI:
 779                         opt_TraceHPI = enable;
 780                         break;
 781
 782 #if defined(ENABLE_INLINING) && !defined(NDEBUG)
 783                 case OPT_TraceInlining:
 784                         if (value == NULL)
 785                                 opt_TraceInlining = 1;
 786                         else
 787                                 opt_TraceInlining = os_atoi(value);
 788                         break;
 789 #endif
 790
 791                 case OPT_TraceJavaCalls:
 792                         opt_verbosecall = enable;
 793                         opt_TraceJavaCalls = enable;
 794                         break;
 795
 796                 case OPT_TraceJNICalls:
 797                         opt_TraceJNICalls = enable;
 798                         break;
 799
 800                 case OPT_TraceJVMCalls:
 801                         opt_TraceJVMCalls = enable;
 802                         break;
 803
 804                 case OPT_TraceJVMCallsVerbose:
 805                         opt_TraceJVMCallsVerbose = enable;
 806                         break;
 807
 808                 case OPT_TraceLinkClass:
 809                         opt_TraceLinkClass = enable;
 810                         break;
 811
 812 #if defined(ENABLE_REPLACEMENT)
 813                 case OPT_TraceReplacement:
 814                         if (value == NULL)
 815                                 opt_TraceReplacement = 1;
 816                         else
 817                                 opt_TraceReplacement = os_atoi(value);
 818                         break;
 819 #endif
 820
 821                 case OPT_TraceSubsystemInitialization:
 822                         opt_TraceSubsystemInitialization = enable;
 823                         break;
 824
 825                 case OPT_TraceTraps:
 826                         opt_TraceTraps = enable;
 827                         break;
 828
 829 #if defined(ENABLE_VMLOG)
 830                 case OPT_Vmlog:
 831                         if (value == NULL)
 832                                 vmlog_cacao_set_prefix("vmlog");
 833                         else
 834                                 vmlog_cacao_set_prefix(value);
 835                         opt_verbosecall = 1;
 836                         opt_TraceJavaCalls = 1;
 837                         break;
 838
 839                 case OPT_VmlogStrings:
 840                         if (value != NULL)
 841                                 vmlog_cacao_set_stringprefix(value);
 842                         break;
 843
 844                 case OPT_VmlogIgnore:
 845                         if (value != NULL)
 846                                 vmlog_cacao_set_ignoreprefix(value);
 847                         break;
 848 #endif
 849
 850                 default:
 851                         printf("Unknown -XX option: %s\n", name);
 852                         break;
 853                 }
 854         }
 855 }
 856
 857
 858 /*
 859  * These are local overrides for various environment variables in Emacs.
 860  * Please do not remove this and leave it at the end of the file, where
 861  * Emacs will automagically detect them.
 862  * ---------------------------------------------------------------------
 863  * Local variables:
 864  * mode: c
 865  * indent-tabs-mode: t
 866  * c-basic-offset: 4
 867  * tab-width: 4
 868  * End:
 869  */