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_PrintWarnings                = 0;
 194 int      opt_ProfileGCMemoryUsage         = 0;
 195 int      opt_ProfileMemoryUsage           = 0;
 196 FILE    *opt_ProfileMemoryUsageGNUPlot    = NULL;
 197 int      opt_RegallocSpillAll             = 0;
 198 #if defined(ENABLE_REPLACEMENT)
 199 int      opt_TestReplacement              = 0;
 200 #endif
 201 int      opt_TraceCompilerCalls           = 0;
 202 int      opt_TraceExceptions              = 0;
 203 int      opt_TraceHPI                     = 0;
 204 #if defined(ENABLE_INLINING) && !defined(NDEBUG)
 205 int      opt_TraceInlining                = 0;
 206 #endif
 207 int      opt_TraceJavaCalls               = 0;
 208 int      opt_TraceJNICalls                = 0;
 209 int      opt_TraceJVMCalls                = 0;
 210 int      opt_TraceJVMCallsVerbose         = 0;
 211 int      opt_TraceLinkClass               = 0;
 212 #if defined(ENABLE_REPLACEMENT)
 213 int      opt_TraceReplacement             = 0;
 214 #endif
 215 int      opt_TraceSubsystemInitialization = 0;
 216 int      opt_TraceTraps                   = 0;
 217
 218
 219 enum {
 220         OPT_TYPE_BOOLEAN,
 221         OPT_TYPE_VALUE
 222 };
 223
 224 enum {
 225         /* Options which must always be available (production options in
 226            HotSpot). */
 227
 228         OPT_MaxDirectMemorySize,
 229         OPT_MaxPermSize,
 230         OPT_PermSize,
 231         OPT_ThreadStackSize,
 232
 233         /* Debugging options which can be turned off. */
 234
 235         OPT_AlwaysEmitLongBranches,
 236         OPT_CompileAll,
 237         OPT_CompileMethod,
 238         OPT_CompileSignature,
 239         OPT_DebugExceptions,
 240         OPT_DebugFinalizer,
 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_PrintWarnings,
 260         OPT_ProfileGCMemoryUsage,
 261         OPT_ProfileMemoryUsage,
 262         OPT_ProfileMemoryUsageGNUPlot,
 263         OPT_RegallocSpillAll,
 264         OPT_TestReplacement,
 265         OPT_TraceCompilerCalls,
 266         OPT_TraceExceptions,
 267         OPT_TraceHPI,
 268         OPT_TraceInlining,
 269         OPT_TraceJavaCalls,
 270         OPT_TraceJNICalls,
 271         OPT_TraceJVMCalls,
 272         OPT_TraceJVMCallsVerbose,
 273         OPT_TraceLinkClass,
 274         OPT_TraceReplacement,
 275         OPT_TraceSubsystemInitialization,
 276         OPT_TraceTraps,
 277         OPT_Vmlog,
 278         OPT_VmlogStrings,
 279         OPT_VmlogIgnore
 280 };
 281
 282
 283 option_t options_XX[] = {
 284         /* Options which must always be available (production options in
 285            HotSpot). */
 286
 287         { "MaxDirectMemorySize",          OPT_MaxDirectMemorySize,          OPT_TYPE_VALUE,   "Maximum total size of NIO direct-buffer allocations" },
 288         { "MaxPermSize",                  OPT_MaxPermSize,                  OPT_TYPE_VALUE,   "not implemented" },
 289         { "PermSize",                     OPT_PermSize,                     OPT_TYPE_VALUE,   "not implemented" },
 290         { "ThreadStackSize",              OPT_ThreadStackSize,              OPT_TYPE_VALUE,   "TODO" },
 291
 292         /* Debugging options which can be turned off. */
 293
 294         { "AlwaysEmitLongBranches",       OPT_AlwaysEmitLongBranches,       OPT_TYPE_BOOLEAN, "Always emit long-branches." },
 295         { "CompileAll",                   OPT_CompileAll,                   OPT_TYPE_BOOLEAN, "compile all methods, no execution" },
 296         { "CompileMethod",                OPT_CompileMethod,                OPT_TYPE_VALUE,   "compile only a specific method" },
 297         { "CompileSignature",             OPT_CompileSignature,             OPT_TYPE_VALUE,   "specify signature for a specific method" },
 298         { "DebugExceptions",              OPT_DebugExceptions,              OPT_TYPE_BOOLEAN, "debug exceptions" },
 299         { "DebugFinalizer",               OPT_DebugFinalizer,               OPT_TYPE_BOOLEAN, "debug finalizer thread" },
 300         { "DebugLocalReferences",         OPT_DebugLocalReferences,         OPT_TYPE_BOOLEAN, "print debug information for local reference tables" },
 301         { "DebugLocks",                   OPT_DebugLocks,                   OPT_TYPE_BOOLEAN, "print debug information for locks" },
 302         { "DebugPackage",                 OPT_DebugPackage,                 OPT_TYPE_BOOLEAN, "debug Java boot-packages" },
 303         { "DebugPatcher",                 OPT_DebugPatcher,                 OPT_TYPE_BOOLEAN, "debug JIT code patching" },
 304         { "DebugProperties",              OPT_DebugProperties,              OPT_TYPE_BOOLEAN, "print debug information for properties" },
 305         { "DebugStackFrameInfo",          OPT_DebugStackFrameInfo,          OPT_TYPE_BOOLEAN, "TODO" },
 306         { "DebugStackTrace",              OPT_DebugStackTrace,              OPT_TYPE_BOOLEAN, "debug stacktrace creation" },
 307         { "DebugThreads",                 OPT_DebugThreads,                 OPT_TYPE_BOOLEAN, "print debug information for threads" },
 308 #if defined(ENABLE_DISASSEMBLER)
 309         { "DisassembleStubs",             OPT_DisassembleStubs,             OPT_TYPE_BOOLEAN, "disassemble builtin and native stubs when generated" },
 310 #endif
 311 #if defined(ENABLE_OPAGENT)
 312         { "EnableOpagent",                OPT_EnableOpagent,                OPT_TYPE_BOOLEAN, "enable providing JIT output to Oprofile" },
 313 #endif
 314 #if defined(ENABLE_GC_CACAO)
 315         { "GCDebugRootSet",               OPT_GCDebugRootSet,               OPT_TYPE_BOOLEAN, "GC: print root-set at collection" },
 316         { "GCStress",                     OPT_GCStress,                     OPT_TYPE_BOOLEAN, "GC: forced collection at every allocation" },
 317 #endif
 318 #if defined(ENABLE_INLINING)
 319         { "Inline",                       OPT_Inline,                       OPT_TYPE_BOOLEAN, "enable method inlining" },
 320 #if defined(ENABLE_INLINING_DEBUG) || !defined(NDEBUG)
 321         { "InlineAll",                    OPT_InlineAll,                    OPT_TYPE_BOOLEAN, "use inlining in all compilations" },
 322         { "InlineCount",                  OPT_InlineCount,                  OPT_TYPE_VALUE,   "stop inlining after the given number of roots" },
 323         { "InlineMaxSize",                OPT_InlineMaxSize,                OPT_TYPE_VALUE,   "maximum size for inlined result" },
 324         { "InlineMinSize",                OPT_InlineMinSize,                OPT_TYPE_VALUE,   "minimum size for inlined result" },
 325 #endif
 326 #endif
 327         { "PrintConfig",                  OPT_PrintConfig,                  OPT_TYPE_BOOLEAN, "print VM configuration" },
 328         { "PrintWarnings",                OPT_PrintWarnings,                OPT_TYPE_BOOLEAN, "print warnings about suspicious behavior"},
 329         { "ProfileGCMemoryUsage",         OPT_ProfileGCMemoryUsage,         OPT_TYPE_VALUE,   "profiles GC memory usage in the given interval, <value> is in seconds (default: 5)" },
 330         { "ProfileMemoryUsage",           OPT_ProfileMemoryUsage,           OPT_TYPE_VALUE,   "TODO" },
 331         { "ProfileMemoryUsageGNUPlot",    OPT_ProfileMemoryUsageGNUPlot,    OPT_TYPE_VALUE,   "TODO" },
 332         { "RegallocSpillAll",             OPT_RegallocSpillAll,             OPT_TYPE_BOOLEAN, "spill all variables to the stack" },
 333 #if defined(ENABLE_REPLACEMENT)
 334         { "TestReplacement",              OPT_TestReplacement,              OPT_TYPE_BOOLEAN, "activate all replacement points during code generation" },
 335 #endif
 336         { "TraceCompilerCalls",           OPT_TraceCompilerCalls,           OPT_TYPE_BOOLEAN, "trace JIT compiler calls" },
 337         { "TraceExceptions",              OPT_TraceExceptions,              OPT_TYPE_BOOLEAN, "trace Exception throwing" },
 338         { "TraceHPI",                     OPT_TraceHPI,                     OPT_TYPE_BOOLEAN, "Trace Host Porting Interface (HPI)" },
 339 #if defined(ENABLE_INLINING) && !defined(NDEBUG)
 340         { "TraceInlining",                OPT_TraceInlining,                OPT_TYPE_VALUE,   "trace method inlining with the given verbosity level (default: 1)" },
 341 #endif
 342 #if !defined(ENABLE_VMLOG)
 343         { "TraceJavaCalls",               OPT_TraceJavaCalls,               OPT_TYPE_BOOLEAN, "trace Java method calls" },
 344 #endif
 345         { "TraceJNICalls",                OPT_TraceJNICalls,                OPT_TYPE_BOOLEAN, "trace JNI method calls" },
 346         { "TraceJVMCalls",                OPT_TraceJVMCalls,                OPT_TYPE_BOOLEAN, "trace JVM method calls but omit very frequent ones" },
 347         { "TraceJVMCallsVerbose",         OPT_TraceJVMCallsVerbose,         OPT_TYPE_BOOLEAN, "trace all JVM method calls" },
 348         { "TraceLinkClass",               OPT_TraceLinkClass,               OPT_TYPE_BOOLEAN, "trace class linking" },
 349 #if defined(ENABLE_REPLACEMENT)
 350         { "TraceReplacement",             OPT_TraceReplacement,             OPT_TYPE_VALUE,   "trace on-stack replacement with the given verbosity level (default: 1)" },
 351 #endif
 352         { "TraceSubsystemInitialization", OPT_TraceSubsystemInitialization, OPT_TYPE_BOOLEAN, "trace initialization of subsystems" },
 353         { "TraceTraps",                   OPT_TraceTraps,                   OPT_TYPE_BOOLEAN, "trace traps generated by JIT code" },
 354 #if defined(ENABLE_VMLOG)
 355         { "Vmlog",                        OPT_Vmlog,                        OPT_TYPE_VALUE,   "prefix for vmlog trace files (enables vmlog)" },
 356         { "VmlogStrings",                 OPT_VmlogStrings,                 OPT_TYPE_VALUE,   "prefix of vmlog string file to load" },
 357         { "VmlogIgnore",                  OPT_VmlogIgnore,                  OPT_TYPE_VALUE,   "prefix of vmlog ignore file to load" },
 358 #endif
 359
 360         /* end marker */
 361
 362         { NULL,                           -1,                               -1,               NULL }
 363 };
 364
 365
 366 /* options_get *****************************************************************
 367
 368    DOCUMENT ME!!!
 369
 370 *******************************************************************************/
 371
 372 int options_get(opt_struct *opts, JavaVMInitArgs *vm_args)
 373 {
 374         char *option;
 375         int   i;
 376
 377         if (opt_index >= vm_args->nOptions)
 378                 return OPT_DONE;
 379
 380         /* get the current option */
 381
 382         option = vm_args->options[opt_index].optionString;
 383
 384         if ((option == NULL) || (option[0] != '-'))
 385                 return OPT_DONE;
 386
 387         for (i = 0; opts[i].name; i++) {
 388                 if (!opts[i].arg) {
 389                         /* boolean option found */
 390
 391                         if (strcmp(option + 1, opts[i].name) == 0) {
 392                                 opt_index++;
 393                                 return opts[i].value;
 394                         }
 395
 396                 } else {
 397                         /* parameter option found */
 398
 399                         /* with a space between */
 400
 401                         if (strcmp(option + 1, opts[i].name) == 0) {
 402                                 opt_index++;
 403
 404                                 if (opt_index < vm_args->nOptions) {
 405                                         opt_arg = os_strdup(vm_args->options[opt_index].optionString);
 406                                         opt_index++;
 407                                         return opts[i].value;
 408                                 }
 409
 410                                 return OPT_ERROR;
 411
 412                         } else {
 413                                 /* parameter and option have no space between */
 414
 415                                 /* FIXME: this assumption is plain wrong, hits you if there is a
 416                                  * parameter with no argument starting with same letter as param with argument
 417                                  * but named after that one, ouch! */
 418
 419                                 size_t l = os_strlen(opts[i].name);
 420
 421                                 if (os_strlen(option + 1) > l) {
 422                                         if (memcmp(option + 1, opts[i].name, l) == 0) {
 423                                                 opt_index++;
 424                                                 opt_arg = os_strdup(option + 1 + l);
 425                                                 return opts[i].value;
 426                                         }
 427                                 }
 428                         }
 429                 }
 430         }
 431
 432         return OPT_ERROR;
 433 }
 434
 435
 436 /* options_xxusage *************************************************************
 437
 438    Print usage message for debugging options.
 439
 440 *******************************************************************************/
 441
 442 static void options_xxusage(void)
 443 {
 444         option_t   *opt;
 445         int         length;
 446         int         i;
 447         const char *c;
 448
 449         /* Prevent compiler warning. */
 450
 451         length = 0;
 452
 453         for (opt = options_XX; opt->name != NULL; opt++) {
 454                 printf("    -XX:");
 455
 456                 switch (opt->type) {
 457                 case OPT_TYPE_BOOLEAN:
 458                         printf("+%s", opt->name);
 459                         length = os_strlen("    -XX:+") + os_strlen(opt->name);
 460                         break;
 461
 462                 case OPT_TYPE_VALUE:
 463                         printf("%s=<value>", opt->name);
 464                         length = os_strlen("    -XX:") + os_strlen(opt->name) +
 465                                 os_strlen("=<value>");
 466                         break;
 467
 468                 default:
 469                         vm_abort("options_xxusage: unkown option type %d", opt->type);
 470                 }
 471
 472                 /* Check if the help fits into one 80-column line.
 473                    Documentation starts at column 29. */
 474
 475                 if (length < (29 - 1)) {
 476                         /* Print missing spaces up to column 29. */
 477
 478                         for (i = length; i < 29; i++)
 479                                 printf(" ");
 480                 }
 481                 else {
 482                         printf("\n");
 483                         printf("                             "); /* 29 spaces */
 484                 }
 485
 486                 /* Check documentation length. */
 487
 488                 length = os_strlen(opt->doc);
 489
 490                 if (length < (80 - 29)) {
 491                         printf("%s", opt->doc);
 492                 }
 493                 else {
 494                         for (c = opt->doc, i = 29; *c != 0; c++, i++) {
 495                                 /* If we are at the end of the line, break it. */
 496
 497                                 if (i == 80) {
 498                                         printf("\n");
 499                                         printf("                             "); /* 29 spaces */
 500                                         i = 29;
 501                                 }
 502
 503                                 printf("%c", *c);
 504                         }
 505                 }
 506
 507                 printf("\n");
 508         }
 509
 510         /* exit with error code */
 511
 512         exit(1);
 513 }
 514
 515
 516 /* options_xx ******************************************************************
 517
 518    Handle -XX: options.
 519
 520 *******************************************************************************/
 521
 522 void options_xx(JavaVMInitArgs *vm_args)
 523 {
 524         const char *name;
 525         const char *start;
 526         char       *end;
 527         int         length;
 528         int         enable;
 529         char       *value;
 530         option_t   *opt;
 531         char       *filename;
 532         FILE       *file;
 533         int         i;
 534
 535         /* Iterate over all passed options. */
 536
 537         for (i = 0; i < vm_args->nOptions; i++) {
 538                 /* Get the current option. */
 539
 540                 name = vm_args->options[i].optionString;
 541
 542                 /* Check for help (-XX). */
 543
 544                 if (strcmp(name, "-XX") == 0)
 545                         options_xxusage();
 546
 547                 /* Check if the option start with -XX. */
 548
 549                 start = strstr(name, "-XX:");
 550
 551                 if ((start == NULL) || (start != name))
 552                         continue;
 553
 554                 /* Check if the option is a boolean option. */
 555
 556                 if (name[4] == '+') {
 557                         start  = name + 4 + 1;
 558                         enable = 1;
 559                 }
 560                 else if (name[4] == '-') {
 561                         start  = name + 4 + 1;
 562                         enable = 0;
 563                 }
 564                 else {
 565                         start  = name + 4;
 566                         enable = -1;
 567                 }
 568
 569                 /* Search for a '=' in the option name and get the option name
 570                    length and the value of the option. */
 571
 572                 end = strchr(start, '=');
 573
 574                 if (end == NULL) {
 575                         length = os_strlen(start);
 576                         value  = NULL;
 577                 }
 578                 else {
 579                         length = end - start;
 580                         value  = end + 1;
 581                 }
 582
 583                 /* Search the option in the option array. */
 584
 585                 for (opt = options_XX; opt->name != NULL; opt++) {
 586                         if (strncmp(opt->name, start, length) == 0) {
 587                                 /* Check if the options passed fits to the type. */
 588
 589                                 switch (opt->type) {
 590                                 case OPT_TYPE_BOOLEAN:
 591                                         if ((enable == -1) || (value != NULL))
 592                                                 options_xxusage();
 593                                         break;
 594                                 case OPT_TYPE_VALUE:
 595                                         if ((enable != -1) || (value == NULL))
 596                                                 options_xxusage();
 597                                         break;
 598                                 default:
 599                                         vm_abort("options_xx: unknown option type %d for option %s",
 600                                                          opt->type, opt->name);
 601                                 }
 602
 603                                 break;
 604                         }
 605                 }
 606
 607                 /* Process the option. */
 608
 609                 switch (opt->value) {
 610
 611                 /* Options which must always be available (production options
 612                    in HotSpot). */
 613
 614                 case OPT_MaxDirectMemorySize:
 615                         opt_MaxDirectMemorySize = os_atoi(value);
 616                         break;
 617
 618                 case OPT_MaxPermSize:
 619                         /* Currently ignored. */
 620                         break;
 621
 622                 case OPT_PermSize:
 623                         /* Currently ignored. */
 624                         break;
 625
 626                 case OPT_ThreadStackSize:
 627                         /* currently ignored */
 628                         break;
 629
 630                 /* Debugging options which can be turned off. */
 631
 632                 case OPT_AlwaysEmitLongBranches:
 633                         opt_AlwaysEmitLongBranches = enable;
 634                         break;
 635
 636                 case OPT_CompileAll:
 637                         opt_CompileAll = enable;
 638                         opt_run = false;
 639                         makeinitializations = false;
 640                         break;
 641
 642                 case OPT_CompileMethod:
 643                         opt_CompileMethod = value;
 644                         opt_run = false;
 645                         makeinitializations = false;
 646                         break;
 647
 648                 case OPT_CompileSignature:
 649                         opt_CompileSignature = value;
 650                         break;
 651
 652                 case OPT_DebugExceptions:
 653                         opt_DebugExceptions = enable;
 654                         break;
 655
 656                 case OPT_DebugFinalizer:
 657                         opt_DebugFinalizer = enable;
 658                         break;
 659
 660                 case OPT_DebugLocalReferences:
 661                         opt_DebugLocalReferences = enable;
 662                         break;
 663
 664                 case OPT_DebugLocks:
 665                         opt_DebugLocks = enable;
 666                         break;
 667
 668                 case OPT_DebugPackage:
 669                         opt_DebugPackage = enable;
 670                         break;
 671
 672                 case OPT_DebugPatcher:
 673                         opt_DebugPatcher = enable;
 674                         break;
 675
 676                 case OPT_DebugProperties:
 677                         opt_DebugProperties = enable;
 678                         break;
 679
 680                 case OPT_DebugStackFrameInfo:
 681                         opt_DebugStackFrameInfo = enable;
 682                         break;
 683
 684                 case OPT_DebugStackTrace:
 685                         opt_DebugStackTrace = enable;
 686                         break;
 687
 688                 case OPT_DebugThreads:
 689                         opt_DebugThreads = enable;
 690                         break;
 691
 692 #if defined(ENABLE_DISASSEMBLER)
 693                 case OPT_DisassembleStubs:
 694                         opt_DisassembleStubs = enable;
 695                         break;
 696 #endif
 697
 698 #if defined(ENABLE_OPAGENT)
 699                 case OPT_EnableOpagent:
 700                         opt_EnableOpagent = enable;
 701                         break;
 702 #endif
 703
 704 #if defined(ENABLE_GC_CACAO)
 705                 case OPT_GCDebugRootSet:
 706                         opt_GCDebugRootSet = enable;
 707                         break;
 708
 709                 case OPT_GCStress:
 710                         opt_GCStress = enable;
 711                         break;
 712 #endif
 713
 714 #if defined(ENABLE_INLINING)
 715                 case OPT_Inline:
 716                         opt_Inline = enable;
 717                         break;
 718 #if defined(ENABLE_INLINING_DEBUG) || !defined(NDEBUG)
 719                 case OPT_InlineAll:
 720                         opt_InlineAll = enable;
 721                         break;
 722
 723                 case OPT_InlineCount:
 724                         if (value != NULL)
 725                                 opt_InlineCount = os_atoi(value);
 726                         break;
 727
 728                 case OPT_InlineMaxSize:
 729                         if (value != NULL)
 730                                 opt_InlineMaxSize = os_atoi(value);
 731                         break;
 732
 733                 case OPT_InlineMinSize:
 734                         if (value != NULL)
 735                                 opt_InlineMinSize = os_atoi(value);
 736                         break;
 737 #endif
 738 #endif
 739
 740                 case OPT_PrintConfig:
 741                         opt_PrintConfig = enable;
 742                         break;
 743
 744                 case OPT_PrintWarnings:
 745                         opt_PrintWarnings = enable;
 746                         break;
 747
 748                 case OPT_ProfileGCMemoryUsage:
 749                         if (value == NULL)
 750                                 opt_ProfileGCMemoryUsage = 5;
 751                         else
 752                                 opt_ProfileGCMemoryUsage = os_atoi(value);
 753                         break;
 754
 755                 case OPT_ProfileMemoryUsage:
 756                         if (value == NULL)
 757                                 opt_ProfileMemoryUsage = 5;
 758                         else
 759                                 opt_ProfileMemoryUsage = os_atoi(value);
 760
 761 # if defined(ENABLE_STATISTICS)
 762                         /* we also need statistics */
 763
 764                         opt_stat = true;
 765 # endif
 766                         break;
 767
 768                 case OPT_ProfileMemoryUsageGNUPlot:
 769                         if (value == NULL)
 770                                 filename = "profile.dat";
 771                         else
 772                                 filename = value;
 773
 774                         file = fopen(filename, "w");
 775
 776                         if (file == NULL)
 777 #warning Use below method instead!
 778                                 //os::abort_errno("options_xx: fopen failed");
 779                                 vm_abort("options_xx: fopen failed");
 780
 781                         opt_ProfileMemoryUsageGNUPlot = file;
 782                         break;
 783
 784                 case OPT_RegallocSpillAll:
 785                         opt_RegallocSpillAll = enable;
 786                         break;
 787
 788 #if defined(ENABLE_REPLACEMENT)
 789                 case OPT_TestReplacement:
 790                         opt_TestReplacement = enable;
 791                         break;
 792 #endif
 793
 794                 case OPT_TraceCompilerCalls:
 795                         opt_TraceCompilerCalls = enable;
 796                         break;
 797
 798                 case OPT_TraceExceptions:
 799                         opt_TraceExceptions = enable;
 800                         break;
 801
 802                 case OPT_TraceHPI:
 803                         opt_TraceHPI = enable;
 804                         break;
 805
 806 #if defined(ENABLE_INLINING) && !defined(NDEBUG)
 807                 case OPT_TraceInlining:
 808                         if (value == NULL)
 809                                 opt_TraceInlining = 1;
 810                         else
 811                                 opt_TraceInlining = os_atoi(value);
 812                         break;
 813 #endif
 814
 815                 case OPT_TraceJavaCalls:
 816                         opt_verbosecall = enable;
 817                         opt_TraceJavaCalls = enable;
 818                         break;
 819
 820                 case OPT_TraceJNICalls:
 821                         opt_TraceJNICalls = enable;
 822                         break;
 823
 824                 case OPT_TraceJVMCalls:
 825                         opt_TraceJVMCalls = enable;
 826                         break;
 827
 828                 case OPT_TraceJVMCallsVerbose:
 829                         opt_TraceJVMCallsVerbose = enable;
 830                         break;
 831
 832                 case OPT_TraceLinkClass:
 833                         opt_TraceLinkClass = enable;
 834                         break;
 835
 836 #if defined(ENABLE_REPLACEMENT)
 837                 case OPT_TraceReplacement:
 838                         if (value == NULL)
 839                                 opt_TraceReplacement = 1;
 840                         else
 841                                 opt_TraceReplacement = os_atoi(value);
 842                         break;
 843 #endif
 844
 845                 case OPT_TraceSubsystemInitialization:
 846                         opt_TraceSubsystemInitialization = enable;
 847                         break;
 848
 849                 case OPT_TraceTraps:
 850                         opt_TraceTraps = enable;
 851                         break;
 852
 853 #if defined(ENABLE_VMLOG)
 854                 case OPT_Vmlog:
 855                         if (value == NULL)
 856                                 vmlog_cacao_set_prefix("vmlog");
 857                         else
 858                                 vmlog_cacao_set_prefix(value);
 859                         opt_verbosecall = 1;
 860                         opt_TraceJavaCalls = 1;
 861                         break;
 862
 863                 case OPT_VmlogStrings:
 864                         if (value != NULL)
 865                                 vmlog_cacao_set_stringprefix(value);
 866                         break;
 867
 868                 case OPT_VmlogIgnore:
 869                         if (value != NULL)
 870                                 vmlog_cacao_set_ignoreprefix(value);
 871                         break;
 872 #endif
 873
 874                 default:
 875                         fprintf(stderr, "Unknown -XX option: %s\n", name);
 876                         break;
 877                 }
 878         }
 879 }
 880
 881
 882 /*
 883  * These are local overrides for various environment variables in Emacs.
 884  * Please do not remove this and leave it at the end of the file, where
 885  * Emacs will automagically detect them.
 886  * ---------------------------------------------------------------------
 887  * Local variables:
 888  * mode: c
 889  * indent-tabs-mode: t
 890  * c-basic-offset: 4
 891  * tab-width: 4
 892  * End:
 893  */