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.hpp"
  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
  66 bool loadverbose = false;
  67 bool initverbose = false;
  68
  69 bool opt_verboseclass     = false;
  70 bool opt_verbosegc        = false;
  71 bool opt_verbosejni       = false;
  72 bool opt_verbosecall      = false;      /* trace all method invocation        */
  73
  74 bool showmethods = false;
  75 bool showconstantpool = false;
  76 bool showutf = false;
  77
  78 bool compileverbose =  false;           /* trace compiler actions             */
  79 bool showstack = false;
  80
  81 bool opt_showdisassemble    = false;    /* generate disassembler listing      */
  82 bool opt_showddatasegment   = false;    /* generate data segment listing      */
  83 bool opt_showintermediate   = false;    /* generate intermediate code listing */
  84
  85 bool checkbounds = true;       /* check array bounds                         */
  86 bool checksync = true;         /* do synchronization                         */
  87 #if defined(ENABLE_LOOP)
  88 bool opt_loops = false;        /* optimize array accesses in loops           */
  89 #endif
  90
  91 bool makeinitializations = true;
  92
  93 #if defined(ENABLE_STATISTICS)
  94 bool opt_stat    = false;
  95 bool opt_getloadingtime = false;   /* to measure the runtime                 */
  96 bool opt_getcompilingtime = false; /* compute compile time                   */
  97 #endif
  98 #if defined(ENABLE_VERIFIER)
  99 bool opt_verify  = true;       /* true if classfiles should be verified      */
 100 #endif
 101
 102 #if defined(ENABLE_PROFILING)
 103 bool opt_prof    = false;
 104 bool opt_prof_bb = false;
 105 #endif
 106
 107 #if defined(ENABLE_OPAGENT)
 108 bool opt_opagent = false;
 109 #endif
 110
 111 /* optimization options *******************************************************/
 112
 113 #if defined(ENABLE_IFCONV)
 114 bool opt_ifconv = false;
 115 #endif
 116
 117 #if defined(ENABLE_LSRA) || defined(ENABLE_SSA)
 118 bool opt_lsra = false;
 119 #endif
 120 #if defined(ENABLE_SSA)
 121 bool opt_ssa_dce = false;          /* enable dead code elemination */
 122 bool opt_ssa_cp = false;           /* enable copy propagation      */
 123 #endif
 124
 125
 126 /* interpreter options ********************************************************/
 127
 128 #if defined(ENABLE_INTRP)
 129 bool opt_no_dynamic = false;            /* suppress dynamic superinstructions */
 130 bool opt_no_replication = false;        /* don't use replication in intrp     */
 131 bool opt_no_quicksuper = false;         /* instructions for quickening cannot be
 132                                                                                    part of dynamic superinstructions */
 133
 134 s4   opt_static_supers = 0x7fffffff;
 135 bool vm_debug = false;          /* XXX this should be called `opt_trace'      */
 136 #endif
 137
 138 #if defined(ENABLE_DEBUG_FILTER)
 139 const char *opt_filter_verbosecall_include = 0;
 140 const char *opt_filter_verbosecall_exclude = 0;
 141 const char *opt_filter_show_method = 0;
 142 #endif
 143
 144
 145 /* -XX options ****************************************************************/
 146
 147 /* NOTE: For better readability keep these alpha-sorted. */
 148
 149 /* Options which must always be available (production options in
 150    HotSpot). */
 151
 152 int64_t  opt_MaxDirectMemorySize          = -1;
 153 int      opt_MaxPermSize                  = 0;
 154 int      opt_PermSize                     = 0;
 155 int      opt_ThreadStackSize              = 0;
 156
 157 /* Debugging options which can be turned off. */
 158
 159 bool     opt_AlwaysEmitLongBranches       = false;
 160 int      opt_CompileAll                   = 0;
 161 char*    opt_CompileMethod                = NULL;
 162 char*    opt_CompileSignature             = NULL;
 163 int      opt_DebugExceptions              = 0;
 164 int      opt_DebugFinalizer               = 0;
 165 int      opt_DebugLocalReferences         = 0;
 166 int      opt_DebugLocks                   = 0;
 167 int      opt_DebugPackage                 = 0;
 168 int      opt_DebugPatcher                 = 0;
 169 int      opt_DebugProperties              = 0;
 170 int      opt_DebugStackFrameInfo          = 0;
 171 int      opt_DebugStackTrace              = 0;
 172 int      opt_DebugThreads                 = 0;
 173 #if defined(ENABLE_DISASSEMBLER)
 174 int      opt_DisassembleStubs             = 0;
 175 #endif
 176 #if defined(ENABLE_OPAGENT)
 177 int      opt_EnableOpagent                = 0;
 178 #endif
 179 #if defined(ENABLE_GC_CACAO)
 180 int      opt_GCDebugRootSet               = 0;
 181 int      opt_GCStress                     = 0;
 182 #endif
 183 #if defined(ENABLE_INLINING)
 184 int      opt_Inline                       = 0;
 185 #if defined(ENABLE_INLINING_DEBUG) || !defined(NDEBUG)
 186 int      opt_InlineAll                    = 0;
 187 int      opt_InlineCount                  = INT_MAX;
 188 int      opt_InlineMaxSize                = INT_MAX;
 189 int      opt_InlineMinSize                = 0;
 190 #endif
 191 #endif
 192 int      opt_PrintConfig                  = 0;
 193 int      opt_ProfileGCMemoryUsage         = 0;
 194 int      opt_ProfileMemoryUsage           = 0;
 195 FILE    *opt_ProfileMemoryUsageGNUPlot    = NULL;
 196 #if defined(ENABLE_REPLACEMENT)
 197 int      opt_TestReplacement              = 0;
 198 #endif
 199 int      opt_TraceCompilerCalls           = 0;
 200 int      opt_TraceExceptions              = 0;
 201 int      opt_TraceHPI                     = 0;
 202 #if defined(ENABLE_INLINING) && !defined(NDEBUG)
 203 int      opt_TraceInlining                = 0;
 204 #endif
 205 int      opt_TraceJavaCalls               = 0;
 206 int      opt_TraceJNICalls                = 0;
 207 int      opt_TraceJVMCalls                = 0;
 208 int      opt_TraceJVMCallsVerbose         = 0;
 209 int      opt_TraceLinkClass               = 0;
 210 #if defined(ENABLE_REPLACEMENT)
 211 int      opt_TraceReplacement             = 0;
 212 #endif
 213 int      opt_TraceSubsystemInitialization = 0;
 214 int      opt_TraceTraps                   = 0;
 215
 216
 217 enum {
 218         OPT_TYPE_BOOLEAN,
 219         OPT_TYPE_VALUE
 220 };
 221
 222 enum {
 223         /* Options which must always be available (production options in
 224            HotSpot). */
 225
 226         OPT_MaxDirectMemorySize,
 227         OPT_MaxPermSize,
 228         OPT_PermSize,
 229         OPT_ThreadStackSize,
 230
 231         /* Debugging options which can be turned off. */
 232
 233         OPT_AlwaysEmitLongBranches,
 234         OPT_CompileAll,
 235         OPT_CompileMethod,
 236         OPT_CompileSignature,
 237         OPT_DebugExceptions,
 238         OPT_DebugFinalizer,
 239         OPT_DebugLocalReferences,
 240         OPT_DebugLocks,
 241         OPT_DebugPackage,
 242         OPT_DebugPatcher,
 243         OPT_DebugProperties,
 244         OPT_DebugStackFrameInfo,
 245         OPT_DebugStackTrace,
 246         OPT_DebugThreads,
 247         OPT_DisassembleStubs,
 248         OPT_EnableOpagent,
 249         OPT_GCDebugRootSet,
 250         OPT_GCStress,
 251         OPT_Inline,
 252         OPT_InlineAll,
 253         OPT_InlineCount,
 254         OPT_InlineMaxSize,
 255         OPT_InlineMinSize,
 256         OPT_PrintConfig,
 257         OPT_ProfileGCMemoryUsage,
 258         OPT_ProfileMemoryUsage,
 259         OPT_ProfileMemoryUsageGNUPlot,
 260         OPT_TestReplacement,
 261         OPT_TraceCompilerCalls,
 262         OPT_TraceExceptions,
 263         OPT_TraceHPI,
 264         OPT_TraceInlining,
 265         OPT_TraceJavaCalls,
 266         OPT_TraceJNICalls,
 267         OPT_TraceJVMCalls,
 268         OPT_TraceJVMCallsVerbose,
 269         OPT_TraceLinkClass,
 270         OPT_TraceReplacement,
 271         OPT_TraceSubsystemInitialization,
 272         OPT_TraceTraps,
 273         OPT_Vmlog,
 274         OPT_VmlogStrings,
 275         OPT_VmlogIgnore
 276 };
 277
 278
 279 option_t options_XX[] = {
 280         /* Options which must always be available (production options in
 281            HotSpot). */
 282
 283         { "MaxDirectMemorySize",          OPT_MaxDirectMemorySize,          OPT_TYPE_VALUE,   "Maximum total size of NIO direct-buffer allocations" },
 284         { "MaxPermSize",                  OPT_MaxPermSize,                  OPT_TYPE_VALUE,   "not implemented" },
 285         { "PermSize",                     OPT_PermSize,                     OPT_TYPE_VALUE,   "not implemented" },
 286         { "ThreadStackSize",              OPT_ThreadStackSize,              OPT_TYPE_VALUE,   "TODO" },
 287
 288         /* Debugging options which can be turned off. */
 289
 290         { "AlwaysEmitLongBranches",       OPT_AlwaysEmitLongBranches,       OPT_TYPE_BOOLEAN, "Always emit long-branches." },
 291         { "CompileAll",                   OPT_CompileAll,                   OPT_TYPE_BOOLEAN, "compile all methods, no execution" },
 292         { "CompileMethod",                OPT_CompileMethod,                OPT_TYPE_VALUE,   "compile only a specific method" },
 293         { "CompileSignature",             OPT_CompileSignature,             OPT_TYPE_VALUE,   "specify signature for a specific method" },
 294         { "DebugExceptions",              OPT_DebugExceptions,              OPT_TYPE_BOOLEAN, "debug exceptions" },
 295         { "DebugFinalizer",               OPT_DebugFinalizer,               OPT_TYPE_BOOLEAN, "debug finalizer thread" },
 296         { "DebugLocalReferences",         OPT_DebugLocalReferences,         OPT_TYPE_BOOLEAN, "print debug information for local reference tables" },
 297         { "DebugLocks",                   OPT_DebugLocks,                   OPT_TYPE_BOOLEAN, "print debug information for locks" },
 298         { "DebugPackage",                 OPT_DebugPackage,                 OPT_TYPE_BOOLEAN, "debug Java boot-packages" },
 299         { "DebugPatcher",                 OPT_DebugPatcher,                 OPT_TYPE_BOOLEAN, "debug JIT code patching" },
 300         { "DebugProperties",              OPT_DebugProperties,              OPT_TYPE_BOOLEAN, "print debug information for properties" },
 301         { "DebugStackFrameInfo",          OPT_DebugStackFrameInfo,          OPT_TYPE_BOOLEAN, "TODO" },
 302         { "DebugStackTrace",              OPT_DebugStackTrace,              OPT_TYPE_BOOLEAN, "debug stacktrace creation" },
 303         { "DebugThreads",                 OPT_DebugThreads,                 OPT_TYPE_BOOLEAN, "print debug information for threads" },
 304 #if defined(ENABLE_DISASSEMBLER)
 305         { "DisassembleStubs",             OPT_DisassembleStubs,             OPT_TYPE_BOOLEAN, "disassemble builtin and native stubs when generated" },
 306 #endif
 307 #if defined(ENABLE_OPAGENT)
 308         { "EnableOpagent",                OPT_EnableOpagent,                OPT_TYPE_BOOLEAN, "enable providing JIT output to Oprofile" },
 309 #endif
 310 #if defined(ENABLE_GC_CACAO)
 311         { "GCDebugRootSet",               OPT_GCDebugRootSet,               OPT_TYPE_BOOLEAN, "GC: print root-set at collection" },
 312         { "GCStress",                     OPT_GCStress,                     OPT_TYPE_BOOLEAN, "GC: forced collection at every allocation" },
 313 #endif
 314 #if defined(ENABLE_INLINING)
 315         { "Inline",                       OPT_Inline,                       OPT_TYPE_BOOLEAN, "enable method inlining" },
 316 #if defined(ENABLE_INLINING_DEBUG) || !defined(NDEBUG)
 317         { "InlineAll",                    OPT_InlineAll,                    OPT_TYPE_BOOLEAN, "use inlining in all compilations" },
 318         { "InlineCount",                  OPT_InlineCount,                  OPT_TYPE_VALUE,   "stop inlining after the given number of roots" },
 319         { "InlineMaxSize",                OPT_InlineMaxSize,                OPT_TYPE_VALUE,   "maximum size for inlined result" },
 320         { "InlineMinSize",                OPT_InlineMinSize,                OPT_TYPE_VALUE,   "minimum size for inlined result" },
 321 #endif
 322 #endif
 323         { "PrintConfig",                  OPT_PrintConfig,                  OPT_TYPE_BOOLEAN, "print VM configuration" },
 324         { "ProfileGCMemoryUsage",         OPT_ProfileGCMemoryUsage,         OPT_TYPE_VALUE,   "profiles GC memory usage in the given interval, <value> is in seconds (default: 5)" },
 325         { "ProfileMemoryUsage",           OPT_ProfileMemoryUsage,           OPT_TYPE_VALUE,   "TODO" },
 326         { "ProfileMemoryUsageGNUPlot",    OPT_ProfileMemoryUsageGNUPlot,    OPT_TYPE_VALUE,   "TODO" },
 327 #if defined(ENABLE_REPLACEMENT)
 328         { "TestReplacement",              OPT_TestReplacement,              OPT_TYPE_BOOLEAN, "activate all replacement points during code generation" },
 329 #endif
 330         { "TraceCompilerCalls",           OPT_TraceCompilerCalls,           OPT_TYPE_BOOLEAN, "trace JIT compiler calls" },
 331         { "TraceExceptions",              OPT_TraceExceptions,              OPT_TYPE_BOOLEAN, "trace Exception throwing" },
 332         { "TraceHPI",                     OPT_TraceHPI,                     OPT_TYPE_BOOLEAN, "Trace Host Porting Interface (HPI)" },
 333 #if defined(ENABLE_INLINING) && !defined(NDEBUG)
 334         { "TraceInlining",                OPT_TraceInlining,                OPT_TYPE_VALUE,   "trace method inlining with the given verbosity level (default: 1)" },
 335 #endif
 336 #if !defined(ENABLE_VMLOG)
 337         { "TraceJavaCalls",               OPT_TraceJavaCalls,               OPT_TYPE_BOOLEAN, "trace Java method calls" },
 338 #endif
 339         { "TraceJNICalls",                OPT_TraceJNICalls,                OPT_TYPE_BOOLEAN, "trace JNI method calls" },
 340         { "TraceJVMCalls",                OPT_TraceJVMCalls,                OPT_TYPE_BOOLEAN, "trace JVM method calls but omit very frequent ones" },
 341         { "TraceJVMCallsVerbose",         OPT_TraceJVMCallsVerbose,         OPT_TYPE_BOOLEAN, "trace all JVM method calls" },
 342         { "TraceLinkClass",               OPT_TraceLinkClass,               OPT_TYPE_BOOLEAN, "trace class linking" },
 343 #if defined(ENABLE_REPLACEMENT)
 344         { "TraceReplacement",             OPT_TraceReplacement,             OPT_TYPE_VALUE,   "trace on-stack replacement with the given verbosity level (default: 1)" },
 345 #endif
 346         { "TraceSubsystemInitialization", OPT_TraceSubsystemInitialization, OPT_TYPE_BOOLEAN, "trace initialization of subsystems" },
 347         { "TraceTraps",                   OPT_TraceTraps,                   OPT_TYPE_BOOLEAN, "trace traps generated by JIT code" },
 348 #if defined(ENABLE_VMLOG)
 349         { "Vmlog",                        OPT_Vmlog,                        OPT_TYPE_VALUE,   "prefix for vmlog trace files (enables vmlog)" },
 350         { "VmlogStrings",                 OPT_VmlogStrings,                 OPT_TYPE_VALUE,   "prefix of vmlog string file to load" },
 351         { "VmlogIgnore",                  OPT_VmlogIgnore,                  OPT_TYPE_VALUE,   "prefix of vmlog ignore file to load" },
 352 #endif
 353
 354         /* end marker */
 355
 356         { NULL,                           -1,                               -1,               NULL }
 357 };
 358
 359
 360 /* options_get *****************************************************************
 361
 362    DOCUMENT ME!!!
 363
 364 *******************************************************************************/
 365
 366 int options_get(opt_struct *opts, JavaVMInitArgs *vm_args)
 367 {
 368         char *option;
 369         int   i;
 370
 371         if (opt_index >= vm_args->nOptions)
 372                 return OPT_DONE;
 373
 374         /* get the current option */
 375
 376         option = vm_args->options[opt_index].optionString;
 377
 378         if ((option == NULL) || (option[0] != '-'))
 379                 return OPT_DONE;
 380
 381         for (i = 0; opts[i].name; i++) {
 382                 if (!opts[i].arg) {
 383                         /* boolean option found */
 384
 385                         if (strcmp(option + 1, opts[i].name) == 0) {
 386                                 opt_index++;
 387                                 return opts[i].value;
 388                         }
 389
 390                 } else {
 391                         /* parameter option found */
 392
 393                         /* with a space between */
 394
 395                         if (strcmp(option + 1, opts[i].name) == 0) {
 396                                 opt_index++;
 397
 398                                 if (opt_index < vm_args->nOptions) {
 399                                         opt_arg = os_strdup(vm_args->options[opt_index].optionString);
 400                                         opt_index++;
 401                                         return opts[i].value;
 402                                 }
 403
 404                                 return OPT_ERROR;
 405
 406                         } else {
 407                                 /* parameter and option have no space between */
 408
 409                                 /* FIXME: this assumption is plain wrong, hits you if there is a
 410                                  * parameter with no argument starting with same letter as param with argument
 411                                  * but named after that one, ouch! */
 412
 413                                 size_t l = os_strlen(opts[i].name);
 414
 415                                 if (os_strlen(option + 1) > l) {
 416                                         if (memcmp(option + 1, opts[i].name, l) == 0) {
 417                                                 opt_index++;
 418                                                 opt_arg = os_strdup(option + 1 + l);
 419                                                 return opts[i].value;
 420                                         }
 421                                 }
 422                         }
 423                 }
 424         }
 425
 426         return OPT_ERROR;
 427 }
 428
 429
 430 /* options_xxusage *************************************************************
 431
 432    Print usage message for debugging options.
 433
 434 *******************************************************************************/
 435
 436 static void options_xxusage(void)
 437 {
 438         option_t   *opt;
 439         int         length;
 440         int         i;
 441         const char *c;
 442
 443         /* Prevent compiler warning. */
 444
 445         length = 0;
 446
 447         for (opt = options_XX; opt->name != NULL; opt++) {
 448                 printf("    -XX:");
 449
 450                 switch (opt->type) {
 451                 case OPT_TYPE_BOOLEAN:
 452                         printf("+%s", opt->name);
 453                         length = os_strlen("    -XX:+") + os_strlen(opt->name);
 454                         break;
 455
 456                 case OPT_TYPE_VALUE:
 457                         printf("%s=<value>", opt->name);
 458                         length = os_strlen("    -XX:") + os_strlen(opt->name) +
 459                                 os_strlen("=<value>");
 460                         break;
 461
 462                 default:
 463                         vm_abort("options_xxusage: unkown option type %d", opt->type);
 464                 }
 465
 466                 /* Check if the help fits into one 80-column line.
 467                    Documentation starts at column 29. */
 468
 469                 if (length < (29 - 1)) {
 470                         /* Print missing spaces up to column 29. */
 471
 472                         for (i = length; i < 29; i++)
 473                                 printf(" ");
 474                 }
 475                 else {
 476                         printf("\n");
 477                         printf("                             "); /* 29 spaces */
 478                 }
 479
 480                 /* Check documentation length. */
 481
 482                 length = os_strlen(opt->doc);
 483
 484                 if (length < (80 - 29)) {
 485                         printf("%s", opt->doc);
 486                 }
 487                 else {
 488                         for (c = opt->doc, i = 29; *c != 0; c++, i++) {
 489                                 /* If we are at the end of the line, break it. */
 490
 491                                 if (i == 80) {
 492                                         printf("\n");
 493                                         printf("                             "); /* 29 spaces */
 494                                         i = 29;
 495                                 }
 496
 497                                 printf("%c", *c);
 498                         }
 499                 }
 500
 501                 printf("\n");
 502         }
 503
 504         /* exit with error code */
 505
 506         exit(1);
 507 }
 508
 509
 510 /* options_xx ******************************************************************
 511
 512    Handle -XX: options.
 513
 514 *******************************************************************************/
 515
 516 void options_xx(JavaVMInitArgs *vm_args)
 517 {
 518         const char *name;
 519         const char *start;
 520         char       *end;
 521         int         length;
 522         int         enable;
 523         char       *value;
 524         option_t   *opt;
 525         char       *filename;
 526         FILE       *file;
 527         int         i;
 528
 529         /* Iterate over all passed options. */
 530
 531         for (i = 0; i < vm_args->nOptions; i++) {
 532                 /* Get the current option. */
 533
 534                 name = vm_args->options[i].optionString;
 535
 536                 /* Check for help (-XX). */
 537
 538                 if (strcmp(name, "-XX") == 0)
 539                         options_xxusage();
 540
 541                 /* Check if the option start with -XX. */
 542
 543                 start = strstr(name, "-XX:");
 544
 545                 if ((start == NULL) || (start != name))
 546                         continue;
 547
 548                 /* Check if the option is a boolean option. */
 549
 550                 if (name[4] == '+') {
 551                         start  = name + 4 + 1;
 552                         enable = 1;
 553                 }
 554                 else if (name[4] == '-') {
 555                         start  = name + 4 + 1;
 556                         enable = 0;
 557                 }
 558                 else {
 559                         start  = name + 4;
 560                         enable = -1;
 561                 }
 562
 563                 /* Search for a '=' in the option name and get the option name
 564                    length and the value of the option. */
 565
 566                 end = strchr(start, '=');
 567
 568                 if (end == NULL) {
 569                         length = os_strlen(start);
 570                         value  = NULL;
 571                 }
 572                 else {
 573                         length = end - start;
 574                         value  = end + 1;
 575                 }
 576
 577                 /* Search the option in the option array. */
 578
 579                 for (opt = options_XX; opt->name != NULL; opt++) {
 580                         if (strncmp(opt->name, start, length) == 0) {
 581                                 /* Check if the options passed fits to the type. */
 582
 583                                 switch (opt->type) {
 584                                 case OPT_TYPE_BOOLEAN:
 585                                         if ((enable == -1) || (value != NULL))
 586                                                 options_xxusage();
 587                                         break;
 588                                 case OPT_TYPE_VALUE:
 589                                         if ((enable != -1) || (value == NULL))
 590                                                 options_xxusage();
 591                                         break;
 592                                 default:
 593                                         vm_abort("options_xx: unknown option type %d for option %s",
 594                                                          opt->type, opt->name);
 595                                 }
 596
 597                                 break;
 598                         }
 599                 }
 600
 601                 /* Process the option. */
 602
 603                 switch (opt->value) {
 604
 605                 /* Options which must always be available (production options
 606                    in HotSpot). */
 607
 608                 case OPT_MaxDirectMemorySize:
 609                         opt_MaxDirectMemorySize = os_atoi(value);
 610                         break;
 611
 612                 case OPT_MaxPermSize:
 613                         /* Currently ignored. */
 614                         break;
 615
 616                 case OPT_PermSize:
 617                         /* Currently ignored. */
 618                         break;
 619
 620                 case OPT_ThreadStackSize:
 621                         /* currently ignored */
 622                         break;
 623
 624                 /* Debugging options which can be turned off. */
 625
 626                 case OPT_AlwaysEmitLongBranches:
 627                         opt_AlwaysEmitLongBranches = enable;
 628                         break;
 629
 630                 case OPT_CompileAll:
 631                         opt_CompileAll = enable;
 632                         opt_run = false;
 633                         makeinitializations = false;
 634                         break;
 635
 636                 case OPT_CompileMethod:
 637                         opt_CompileMethod = value;
 638                         opt_run = false;
 639                         makeinitializations = false;
 640                         break;
 641
 642                 case OPT_CompileSignature:
 643                         opt_CompileSignature = value;
 644                         break;
 645
 646                 case OPT_DebugExceptions:
 647                         opt_DebugExceptions = enable;
 648                         break;
 649
 650                 case OPT_DebugFinalizer:
 651                         opt_DebugFinalizer = enable;
 652                         break;
 653
 654                 case OPT_DebugLocalReferences:
 655                         opt_DebugLocalReferences = enable;
 656                         break;
 657
 658                 case OPT_DebugLocks:
 659                         opt_DebugLocks = enable;
 660                         break;
 661
 662                 case OPT_DebugPackage:
 663                         opt_DebugPackage = enable;
 664                         break;
 665
 666                 case OPT_DebugPatcher:
 667                         opt_DebugPatcher = enable;
 668                         break;
 669
 670                 case OPT_DebugProperties:
 671                         opt_DebugProperties = enable;
 672                         break;
 673
 674                 case OPT_DebugStackFrameInfo:
 675                         opt_DebugStackFrameInfo = enable;
 676                         break;
 677
 678                 case OPT_DebugStackTrace:
 679                         opt_DebugStackTrace = enable;
 680                         break;
 681
 682                 case OPT_DebugThreads:
 683                         opt_DebugThreads = enable;
 684                         break;
 685
 686 #if defined(ENABLE_DISASSEMBLER)
 687                 case OPT_DisassembleStubs:
 688                         opt_DisassembleStubs = enable;
 689                         break;
 690 #endif
 691
 692 #if defined(ENABLE_OPAGENT)
 693                 case OPT_EnableOpagent:
 694                         opt_EnableOpagent = enable;
 695                         break;
 696 #endif
 697
 698 #if defined(ENABLE_GC_CACAO)
 699                 case OPT_GCDebugRootSet:
 700                         opt_GCDebugRootSet = enable;
 701                         break;
 702
 703                 case OPT_GCStress:
 704                         opt_GCStress = enable;
 705                         break;
 706 #endif
 707
 708 #if defined(ENABLE_INLINING)
 709                 case OPT_Inline:
 710                         opt_Inline = enable;
 711                         break;
 712 #if defined(ENABLE_INLINING_DEBUG) || !defined(NDEBUG)
 713                 case OPT_InlineAll:
 714                         opt_InlineAll = enable;
 715                         break;
 716
 717                 case OPT_InlineCount:
 718                         if (value != NULL)
 719                                 opt_InlineCount = os_atoi(value);
 720                         break;
 721
 722                 case OPT_InlineMaxSize:
 723                         if (value != NULL)
 724                                 opt_InlineMaxSize = os_atoi(value);
 725                         break;
 726
 727                 case OPT_InlineMinSize:
 728                         if (value != NULL)
 729                                 opt_InlineMinSize = os_atoi(value);
 730                         break;
 731 #endif
 732 #endif
 733
 734                 case OPT_PrintConfig:
 735                         opt_PrintConfig = enable;
 736                         break;
 737
 738                 case OPT_ProfileGCMemoryUsage:
 739                         if (value == NULL)
 740                                 opt_ProfileGCMemoryUsage = 5;
 741                         else
 742                                 opt_ProfileGCMemoryUsage = os_atoi(value);
 743                         break;
 744
 745                 case OPT_ProfileMemoryUsage:
 746                         if (value == NULL)
 747                                 opt_ProfileMemoryUsage = 5;
 748                         else
 749                                 opt_ProfileMemoryUsage = os_atoi(value);
 750
 751 # if defined(ENABLE_STATISTICS)
 752                         /* we also need statistics */
 753
 754                         opt_stat = true;
 755 # endif
 756                         break;
 757
 758                 case OPT_ProfileMemoryUsageGNUPlot:
 759                         if (value == NULL)
 760                                 filename = "profile.dat";
 761                         else
 762                                 filename = value;
 763
 764                         file = fopen(filename, "w");
 765
 766                         if (file == NULL)
 767 #warning Use below method instead!
 768                                 //os::abort_errno("options_xx: fopen failed");
 769                                 vm_abort("options_xx: fopen failed");
 770
 771                         opt_ProfileMemoryUsageGNUPlot = file;
 772                         break;
 773
 774 #if defined(ENABLE_REPLACEMENT)
 775                 case OPT_TestReplacement:
 776                         opt_TestReplacement = enable;
 777                         break;
 778 #endif
 779
 780                 case OPT_TraceCompilerCalls:
 781                         opt_TraceCompilerCalls = enable;
 782                         break;
 783
 784                 case OPT_TraceExceptions:
 785                         opt_TraceExceptions = enable;
 786                         break;
 787
 788                 case OPT_TraceHPI:
 789                         opt_TraceHPI = enable;
 790                         break;
 791
 792 #if defined(ENABLE_INLINING) && !defined(NDEBUG)
 793                 case OPT_TraceInlining:
 794                         if (value == NULL)
 795                                 opt_TraceInlining = 1;
 796                         else
 797                                 opt_TraceInlining = os_atoi(value);
 798                         break;
 799 #endif
 800
 801                 case OPT_TraceJavaCalls:
 802                         opt_verbosecall = enable;
 803                         opt_TraceJavaCalls = enable;
 804                         break;
 805
 806                 case OPT_TraceJNICalls:
 807                         opt_TraceJNICalls = enable;
 808                         break;
 809
 810                 case OPT_TraceJVMCalls:
 811                         opt_TraceJVMCalls = enable;
 812                         break;
 813
 814                 case OPT_TraceJVMCallsVerbose:
 815                         opt_TraceJVMCallsVerbose = enable;
 816                         break;
 817
 818                 case OPT_TraceLinkClass:
 819                         opt_TraceLinkClass = enable;
 820                         break;
 821
 822 #if defined(ENABLE_REPLACEMENT)
 823                 case OPT_TraceReplacement:
 824                         if (value == NULL)
 825                                 opt_TraceReplacement = 1;
 826                         else
 827                                 opt_TraceReplacement = os_atoi(value);
 828                         break;
 829 #endif
 830
 831                 case OPT_TraceSubsystemInitialization:
 832                         opt_TraceSubsystemInitialization = enable;
 833                         break;
 834
 835                 case OPT_TraceTraps:
 836                         opt_TraceTraps = enable;
 837                         break;
 838
 839 #if defined(ENABLE_VMLOG)
 840                 case OPT_Vmlog:
 841                         if (value == NULL)
 842                                 vmlog_cacao_set_prefix("vmlog");
 843                         else
 844                                 vmlog_cacao_set_prefix(value);
 845                         opt_verbosecall = 1;
 846                         opt_TraceJavaCalls = 1;
 847                         break;
 848
 849                 case OPT_VmlogStrings:
 850                         if (value != NULL)
 851                                 vmlog_cacao_set_stringprefix(value);
 852                         break;
 853
 854                 case OPT_VmlogIgnore:
 855                         if (value != NULL)
 856                                 vmlog_cacao_set_ignoreprefix(value);
 857                         break;
 858 #endif
 859
 860                 default:
 861                         printf("Unknown -XX option: %s\n", name);
 862                         break;
 863                 }
 864         }
 865 }
 866
 867
 868 /*
 869  * These are local overrides for various environment variables in Emacs.
 870  * Please do not remove this and leave it at the end of the file, where
 871  * Emacs will automagically detect them.
 872  * ---------------------------------------------------------------------
 873  * Local variables:
 874  * mode: c
 875  * indent-tabs-mode: t
 876  * c-basic-offset: 4
 877  * tab-width: 4
 878  * End:
 879  */