mono/mini/driver.c

   1 /*
   2  * driver.c: The new mono JIT compiler.
   3  *
   4  * Author:
   5  *   Paolo Molaro (lupus@ximian.com)
   6  *   Dietmar Maurer (dietmar@ximian.com)
   7  *
   8  * (C) 2002-2003 Ximian, Inc.
   9  * (C) 2003-2006 Novell, Inc.
  10  */
  11
  12 #include <config.h>
  13 #include <signal.h>
  14 #if HAVE_SCHED_SETAFFINITY
  15 #include <sched.h>
  16 #endif
  17 #ifdef HAVE_UNISTD_H
  18 #include <unistd.h>
  19 #endif
  20
  21 #include <mono/metadata/assembly.h>
  22 #include <mono/metadata/loader.h>
  23 #include <mono/metadata/tabledefs.h>
  24 #include <mono/metadata/class.h>
  25 #include <mono/metadata/object.h>
  26 #include <mono/metadata/exception.h>
  27 #include <mono/metadata/opcodes.h>
  28 #include <mono/metadata/mono-endian.h>
  29 #include <mono/metadata/tokentype.h>
  30 #include <mono/metadata/tabledefs.h>
  31 #include <mono/metadata/threads.h>
  32 #include <mono/metadata/marshal.h>
  33 #include <mono/metadata/socket-io.h>
  34 #include <mono/metadata/appdomain.h>
  35 #include <mono/metadata/debug-helpers.h>
  36 #include <mono/io-layer/io-layer.h>
  37 #include "mono/metadata/profiler.h"
  38 #include <mono/metadata/profiler-private.h>
  39 #include <mono/metadata/mono-config.h>
  40 #include <mono/metadata/environment.h>
  41 #include <mono/metadata/verify.h>
  42 #include <mono/metadata/verify-internals.h>
  43 #include <mono/metadata/mono-debug.h>
  44 #include <mono/metadata/security-manager.h>
  45 #include <mono/metadata/security-core-clr.h>
  46 #include <mono/metadata/gc-internal.h>
  47 #include <mono/metadata/coree.h>
  48 #include <mono/metadata/attach.h>
  49 #include "mono/utils/mono-counters.h"
  50 #include <mono/os/gc_wrapper.h>
  51
  52 #include "mini.h"
  53 #include "jit.h"
  54 #include <string.h>
  55 #include <ctype.h>
  56 #include <locale.h>
  57 #include "version.h"
  58
  59 static FILE *mini_stats_fd = NULL;
  60
  61 static void mini_usage (void);
  62
  63 #ifdef PLATFORM_WIN32
  64 /* Need this to determine whether to detach console */
  65 #include <mono/metadata/cil-coff.h>
  66 /* This turns off command line globbing under win32 */
  67 int _CRT_glob = 0;
  68 #endif
  69
  70 typedef void (*OptFunc) (const char *p);
  71
  72 #undef OPTFLAG
  73 #ifdef HAVE_ARRAY_ELEM_INIT
  74 #define MSGSTRFIELD(line) MSGSTRFIELD1(line)
  75 #define MSGSTRFIELD1(line) str##line
  76
  77 static const struct msgstr_t {
  78 #define OPTFLAG(id,shift,name,desc) char MSGSTRFIELD(__LINE__) [sizeof (name) + sizeof (desc)];
  79 #include "optflags-def.h"
  80 #undef OPTFLAG
  81 } opstr = {
  82 #define OPTFLAG(id,shift,name,desc) name "\0" desc,
  83 #include "optflags-def.h"
  84 #undef OPTFLAG
  85 };
  86 static const gint16 opt_names [] = {
  87 #define OPTFLAG(id,shift,name,desc) [(shift)] = offsetof (struct msgstr_t, MSGSTRFIELD(__LINE__)),
  88 #include "optflags-def.h"
  89 #undef OPTFLAG
  90 };
  91
  92 #define optflag_get_name(id) ((const char*)&opstr + opt_names [(id)])
  93 #define optflag_get_desc(id) (optflag_get_name(id) + 1 + strlen (optflag_get_name(id)))
  94
  95 #else /* !HAVE_ARRAY_ELEM_INIT */
  96 typedef struct {
  97         const char* name;
  98         const char* desc;
  99 } OptName;
 100
 101 #define OPTFLAG(id,shift,name,desc) {name,desc},
 102 static const OptName
 103 opt_names [] = {
 104 #include "optflags-def.h"
 105         {NULL, NULL}
 106 };
 107 #define optflag_get_name(id) (opt_names [(id)].name)
 108 #define optflag_get_desc(id) (opt_names [(id)].desc)
 109
 110 #endif
 111
 112 static const OptFunc
 113 opt_funcs [sizeof (int) * 8] = {
 114         NULL
 115 };
 116
 117
 118 #define DEFAULT_OPTIMIZATIONS ( \
 119         MONO_OPT_PEEPHOLE |     \
 120         MONO_OPT_CFOLD |        \
 121         MONO_OPT_INLINE |       \
 122         MONO_OPT_CONSPROP |     \
 123         MONO_OPT_COPYPROP |     \
 124         MONO_OPT_TREEPROP |     \
 125         MONO_OPT_DEADCE |       \
 126         MONO_OPT_BRANCH |       \
 127         MONO_OPT_LINEARS |      \
 128         MONO_OPT_INTRINS |  \
 129         MONO_OPT_LOOP |  \
 130         MONO_OPT_EXCEPTION |  \
 131     MONO_OPT_CMOV |  \
 132         MONO_OPT_GSHARED |      \
 133         MONO_OPT_SIMD | \
 134         MONO_OPT_AOT)
 135
 136 #define EXCLUDED_FROM_ALL (MONO_OPT_SHARED | MONO_OPT_PRECOMP)
 137
 138 static guint32
 139 parse_optimizations (const char* p)
 140 {
 141         /* the default value */
 142         guint32 opt = DEFAULT_OPTIMIZATIONS;
 143         guint32 exclude = 0;
 144         const char *n;
 145         int i, invert, len;
 146
 147         /* call out to cpu detection code here that sets the defaults ... */
 148         opt |= mono_arch_cpu_optimizazions (&exclude);
 149         opt &= ~exclude;
 150         if (!p)
 151                 return opt;
 152
 153         while (*p) {
 154                 if (*p == '-') {
 155                         p++;
 156                         invert = TRUE;
 157                 } else {
 158                         invert = FALSE;
 159                 }
 160                 for (i = 0; i < G_N_ELEMENTS (opt_names) && optflag_get_name (i); ++i) {
 161                         n = optflag_get_name (i);
 162                         len = strlen (n);
 163                         if (strncmp (p, n, len) == 0) {
 164                                 if (invert)
 165                                         opt &= ~ (1 << i);
 166                                 else
 167                                         opt |= 1 << i;
 168                                 p += len;
 169                                 if (*p == ',') {
 170                                         p++;
 171                                         break;
 172                                 } else if (*p == '=') {
 173                                         p++;
 174                                         if (opt_funcs [i])
 175                                                 opt_funcs [i] (p);
 176                                         while (*p && *p++ != ',');
 177                                         break;
 178                                 }
 179                                 /* error out */
 180                                 break;
 181                         }
 182                 }
 183                 if (i == G_N_ELEMENTS (opt_names) || !optflag_get_name (i)) {
 184                         if (strncmp (p, "all", 3) == 0) {
 185                                 if (invert)
 186                                         opt = 0;
 187                                 else
 188                                         opt = ~(EXCLUDED_FROM_ALL | exclude);
 189                                 p += 3;
 190                                 if (*p == ',')
 191                                         p++;
 192                         } else {
 193                                 fprintf (stderr, "Invalid optimization name `%s'\n", p);
 194                                 exit (1);
 195                         }
 196                 }
 197         }
 198         return opt;
 199 }
 200
 201 static gboolean
 202 parse_debug_options (const char* p)
 203 {
 204         MonoDebugOptions *opt = mini_get_debug_options ();
 205
 206         do {
 207                 if (!*p) {
 208                         fprintf (stderr, "Syntax error; expected debug option name\n");
 209                         return FALSE;
 210                 }
 211
 212                 if (!strncmp (p, "casts", 5)) {
 213                         opt->better_cast_details = TRUE;
 214                         p += 5;
 215                 } else if (!strncmp (p, "mdb-optimizations", 17)) {
 216                         opt->mdb_optimizations = TRUE;
 217                         p += 17;
 218                 } else {
 219                         fprintf (stderr, "Invalid debug option `%s', use --help-debug for details\n", p);
 220                         return FALSE;
 221                 }
 222
 223                 if (*p == ',') {
 224                         p++;
 225                         if (!*p) {
 226                                 fprintf (stderr, "Syntax error; expected debug option name\n");
 227                                 return FALSE;
 228                         }
 229                 }
 230         } while (*p);
 231
 232         return TRUE;
 233 }
 234
 235 typedef struct {
 236         const char name [6];
 237         const char desc [18];
 238         MonoGraphOptions value;
 239 } GraphName;
 240
 241 static const GraphName
 242 graph_names [] = {
 243         {"cfg",      "Control Flow",                            MONO_GRAPH_CFG},
 244         {"dtree",    "Dominator Tree",                          MONO_GRAPH_DTREE},
 245         {"code",     "CFG showing code",                        MONO_GRAPH_CFG_CODE},
 246         {"ssa",      "CFG after SSA",                           MONO_GRAPH_CFG_SSA},
 247         {"optc",     "CFG after IR opts",                       MONO_GRAPH_CFG_OPTCODE}
 248 };
 249
 250 static MonoGraphOptions
 251 mono_parse_graph_options (const char* p)
 252 {
 253         const char *n;
 254         int i, len;
 255
 256         for (i = 0; i < G_N_ELEMENTS (graph_names); ++i) {
 257                 n = graph_names [i].name;
 258                 len = strlen (n);
 259                 if (strncmp (p, n, len) == 0)
 260                         return graph_names [i].value;
 261         }
 262
 263         fprintf (stderr, "Invalid graph name provided: %s\n", p);
 264         exit (1);
 265 }
 266
 267 int
 268 mono_parse_default_optimizations (const char* p)
 269 {
 270         guint32 opt;
 271
 272         opt = parse_optimizations (p);
 273         return opt;
 274 }
 275
 276 static char*
 277 opt_descr (guint32 flags) {
 278         GString *str = g_string_new ("");
 279         int i, need_comma;
 280
 281         need_comma = 0;
 282         for (i = 0; i < G_N_ELEMENTS (opt_names); ++i) {
 283                 if (flags & (1 << i)) {
 284                         if (need_comma)
 285                                 g_string_append_c (str, ',');
 286                         g_string_append (str, optflag_get_name (i));
 287                         need_comma = 1;
 288                 }
 289         }
 290         return g_string_free (str, FALSE);
 291 }
 292
 293 static const guint32
 294 opt_sets [] = {
 295        0,
 296        MONO_OPT_PEEPHOLE,
 297        MONO_OPT_BRANCH,
 298        MONO_OPT_CFOLD,
 299        MONO_OPT_FCMOV,
 300 #ifdef MONO_ARCH_SIMD_INTRINSICS
 301        MONO_OPT_SIMD,
 302        MONO_OPT_SSE2,
 303        MONO_OPT_SIMD | MONO_OPT_SSE2,
 304 #endif
 305        MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_INTRINS,
 306        MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_LINEARS,
 307        MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_LINEARS | MONO_OPT_COPYPROP,
 308        MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_LINEARS | MONO_OPT_CFOLD,
 309        MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP | MONO_OPT_DEADCE,
 310        MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP | MONO_OPT_DEADCE | MONO_OPT_LOOP | MONO_OPT_INLINE | MONO_OPT_INTRINS,
 311        MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP | MONO_OPT_DEADCE | MONO_OPT_LOOP | MONO_OPT_INLINE | MONO_OPT_INTRINS | MONO_OPT_SSA,
 312        MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP | MONO_OPT_DEADCE | MONO_OPT_LOOP | MONO_OPT_INLINE | MONO_OPT_INTRINS | MONO_OPT_EXCEPTION,
 313        MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP | MONO_OPT_DEADCE | MONO_OPT_LOOP | MONO_OPT_INLINE | MONO_OPT_INTRINS | MONO_OPT_EXCEPTION | MONO_OPT_CMOV,
 314        MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP | MONO_OPT_DEADCE | MONO_OPT_LOOP | MONO_OPT_INLINE | MONO_OPT_INTRINS | MONO_OPT_EXCEPTION | MONO_OPT_ABCREM,
 315        MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP | MONO_OPT_DEADCE | MONO_OPT_LOOP | MONO_OPT_INLINE | MONO_OPT_INTRINS | MONO_OPT_EXCEPTION | MONO_OPT_ABCREM | MONO_OPT_SSAPRE,
 316        MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP | MONO_OPT_DEADCE | MONO_OPT_LOOP | MONO_OPT_INLINE | MONO_OPT_INTRINS | MONO_OPT_ABCREM,
 317        MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP | MONO_OPT_DEADCE | MONO_OPT_LOOP | MONO_OPT_INLINE | MONO_OPT_INTRINS | MONO_OPT_TREEPROP,
 318        MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP | MONO_OPT_DEADCE | MONO_OPT_LOOP | MONO_OPT_INLINE | MONO_OPT_INTRINS | MONO_OPT_SSAPRE,
 319        MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP | MONO_OPT_DEADCE | MONO_OPT_LOOP | MONO_OPT_INLINE | MONO_OPT_INTRINS | MONO_OPT_ABCREM | MONO_OPT_SHARED,
 320        DEFAULT_OPTIMIZATIONS,
 321 };
 322
 323 typedef int (*TestMethod) (void);
 324
 325 #if 0
 326 static void
 327 domain_dump_native_code (MonoDomain *domain) {
 328         // need to poke into the domain, move to metadata/domain.c
 329         // need to empty jit_info_table and code_mp
 330 }
 331 #endif
 332
 333 static int
 334 mini_regression (MonoImage *image, int verbose, int *total_run)
 335 {
 336         guint32 i, opt, opt_flags;
 337         MonoMethod *method;
 338         MonoCompile *cfg;
 339         char *n;
 340         int result, expected, failed, cfailed, run, code_size, total;
 341         TestMethod func;
 342         GTimer *timer = g_timer_new ();
 343         MonoDomain *domain = mono_domain_get ();
 344
 345         if (mini_stats_fd) {
 346                 fprintf (mini_stats_fd, "$stattitle = \'Mono Benchmark Results (various optimizations)\';\n");
 347
 348                 fprintf (mini_stats_fd, "$graph->set_legend(qw(");
 349                 for (opt = 0; opt < G_N_ELEMENTS (opt_sets); opt++) {
 350                         opt_flags = opt_sets [opt];
 351                         n = opt_descr (opt_flags);
 352                         if (!n [0])
 353                                 n = (char *)"none";
 354                         if (opt)
 355                                 fprintf (mini_stats_fd, " ");
 356                         fprintf (mini_stats_fd, "%s", n);
 357
 358
 359                 }
 360                 fprintf (mini_stats_fd, "));\n");
 361
 362                 fprintf (mini_stats_fd, "@data = (\n");
 363                 fprintf (mini_stats_fd, "[");
 364         }
 365
 366         /* load the metadata */
 367         for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
 368                 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
 369                 mono_class_init (method->klass);
 370
 371                 if (!strncmp (method->name, "test_", 5) && mini_stats_fd) {
 372                         fprintf (mini_stats_fd, "\"%s\",", method->name);
 373                 }
 374         }
 375         if (mini_stats_fd)
 376                 fprintf (mini_stats_fd, "],\n");
 377
 378
 379         total = 0;
 380         *total_run = 0;
 381         for (opt = 0; opt < G_N_ELEMENTS (opt_sets); ++opt) {
 382                 double elapsed, comp_time, start_time;
 383
 384                 opt_flags = opt_sets [opt];
 385                 mono_set_defaults (verbose, opt_flags);
 386                 n = opt_descr (opt_flags);
 387                 g_print ("Test run: image=%s, opts=%s\n", mono_image_get_filename (image), n);
 388                 g_free (n);
 389                 cfailed = failed = run = code_size = 0;
 390                 comp_time = elapsed = 0.0;
 391
 392                 /* fixme: ugly hack - delete all previously compiled methods */
 393                 g_hash_table_destroy (domain_jit_info (domain)->jit_trampoline_hash);
 394                 domain_jit_info (domain)->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
 395                 mono_internal_hash_table_destroy (&(domain->jit_code_hash));
 396                 mono_jit_code_hash_init (&(domain->jit_code_hash));
 397
 398                 g_timer_start (timer);
 399                 if (mini_stats_fd)
 400                         fprintf (mini_stats_fd, "[");
 401                 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
 402                         method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
 403                         if (strncmp (method->name, "test_", 5) == 0) {
 404                                 expected = atoi (method->name + 5);
 405                                 run++;
 406                                 start_time = g_timer_elapsed (timer, NULL);
 407                                 comp_time -= start_time;
 408                                 cfg = mini_method_compile (method, opt_flags, mono_get_root_domain (), TRUE, FALSE, 0);
 409                                 comp_time += g_timer_elapsed (timer, NULL);
 410                                 if (cfg->exception_type == MONO_EXCEPTION_NONE) {
 411                                         if (verbose >= 2)
 412                                                 g_print ("Running '%s' ...\n", method->name);
 413 #ifdef MONO_USE_AOT_COMPILER
 414                                         if ((func = mono_aot_get_method (mono_get_root_domain (), method)))
 415                                                 ;
 416                                         else
 417 #endif
 418                                                 func = (TestMethod)(gpointer)cfg->native_code;
 419                                         func = (TestMethod)mono_create_ftnptr (mono_get_root_domain (), func);
 420                                         result = func ();
 421                                         if (result != expected) {
 422                                                 failed++;
 423                                                 g_print ("Test '%s' failed result (got %d, expected %d).\n", method->name, result, expected);
 424                                         }
 425                                         code_size += cfg->code_len;
 426                                         mono_destroy_compile (cfg);
 427
 428                                 } else {
 429                                         cfailed++;
 430                                         if (verbose)
 431                                                 g_print ("Test '%s' failed compilation.\n", method->name);
 432                                 }
 433                                 if (mini_stats_fd)
 434                                         fprintf (mini_stats_fd, "%f, ",
 435                                                  g_timer_elapsed (timer, NULL) - start_time);
 436                         }
 437                 }
 438                 if (mini_stats_fd)
 439                         fprintf (mini_stats_fd, "],\n");
 440                 g_timer_stop (timer);
 441                 elapsed = g_timer_elapsed (timer, NULL);
 442                 if (failed > 0 || cfailed > 0){
 443                         g_print ("Results: total tests: %d, failed: %d, cfailed: %d (pass: %.2f%%)\n",
 444                                  run, failed, cfailed, 100.0*(run-failed-cfailed)/run);
 445                 } else {
 446                         g_print ("Results: total tests: %d, all pass \n",  run);
 447                 }
 448
 449                 g_print ("Elapsed time: %f secs (%f, %f), Code size: %d\n\n", elapsed,
 450                          elapsed - comp_time, comp_time, code_size);
 451                 total += failed + cfailed;
 452                 *total_run += run;
 453         }
 454
 455         if (mini_stats_fd) {
 456                 fprintf (mini_stats_fd, ");\n");
 457                 fflush (mini_stats_fd);
 458         }
 459
 460         g_timer_destroy (timer);
 461         return total;
 462 }
 463
 464 static int
 465 mini_regression_list (int verbose, int count, char *images [])
 466 {
 467         int i, total, total_run, run;
 468         MonoAssembly *ass;
 469
 470         total_run =  total = 0;
 471         for (i = 0; i < count; ++i) {
 472                 ass = mono_assembly_open (images [i], NULL);
 473                 if (!ass) {
 474                         g_warning ("failed to load assembly: %s", images [i]);
 475                         continue;
 476                 }
 477                 total += mini_regression (mono_assembly_get_image (ass), verbose, &run);
 478                 total_run += run;
 479         }
 480         if (total > 0){
 481                 g_print ("Overall results: tests: %d, failed: %d, opt combinations: %d (pass: %.2f%%)\n",
 482                          total_run, total, (int)G_N_ELEMENTS (opt_sets), 100.0*(total_run-total)/total_run);
 483         } else {
 484                 g_print ("Overall results: tests: %d, 100%% pass, opt combinations: %d\n",
 485                          total_run, (int)G_N_ELEMENTS (opt_sets));
 486         }
 487
 488         return total;
 489 }
 490
 491 #ifdef MONO_JIT_INFO_TABLE_TEST
 492 typedef struct _JitInfoData
 493 {
 494         guint start;
 495         guint length;
 496         MonoJitInfo *ji;
 497         struct _JitInfoData *next;
 498 } JitInfoData;
 499
 500 typedef struct
 501 {
 502         guint start;
 503         guint length;
 504         int num_datas;
 505         JitInfoData *data;
 506 } Region;
 507
 508 typedef struct
 509 {
 510         int num_datas;
 511         int num_regions;
 512         Region *regions;
 513         int num_frees;
 514         JitInfoData *frees;
 515 } ThreadData;
 516
 517 static int num_threads;
 518 static ThreadData *thread_datas;
 519 static MonoDomain *test_domain;
 520
 521 static JitInfoData*
 522 alloc_random_data (Region *region)
 523 {
 524         JitInfoData **data;
 525         JitInfoData *prev;
 526         guint prev_end;
 527         guint next_start;
 528         guint max_len;
 529         JitInfoData *d;
 530         int num_retries = 0;
 531         int pos, i;
 532
 533  restart:
 534         prev = NULL;
 535         data = &region->data;
 536         pos = random () % (region->num_datas + 1);
 537         i = 0;
 538         while (*data != NULL) {
 539                 if (i++ == pos)
 540                         break;
 541                 prev = *data;
 542                 data = &(*data)->next;
 543         }
 544
 545         if (prev == NULL)
 546                 g_assert (*data == region->data);
 547         else
 548                 g_assert (prev->next == *data);
 549
 550         if (prev == NULL)
 551                 prev_end = region->start;
 552         else
 553                 prev_end = prev->start + prev->length;
 554
 555         if (*data == NULL)
 556                 next_start = region->start + region->length;
 557         else
 558                 next_start = (*data)->start;
 559
 560         g_assert (prev_end <= next_start);
 561
 562         max_len = next_start - prev_end;
 563         if (max_len < 128) {
 564                 if (++num_retries >= 10)
 565                         return NULL;
 566                 goto restart;
 567         }
 568         if (max_len > 1024)
 569                 max_len = 1024;
 570
 571         d = g_new0 (JitInfoData, 1);
 572         d->start = prev_end + random () % (max_len / 2);
 573         d->length = random () % MIN (max_len, next_start - d->start) + 1;
 574
 575         g_assert (d->start >= prev_end && d->start + d->length <= next_start);
 576
 577         d->ji = g_new0 (MonoJitInfo, 1);
 578         d->ji->method = (MonoMethod*) 0xABadBabe;
 579         d->ji->code_start = (gpointer)(gulong) d->start;
 580         d->ji->code_size = d->length;
 581         d->ji->cas_inited = 1;  /* marks an allocated jit info */
 582
 583         d->next = *data;
 584         *data = d;
 585
 586         ++region->num_datas;
 587
 588         return d;
 589 }
 590
 591 static JitInfoData**
 592 choose_random_data (Region *region)
 593 {
 594         int n;
 595         int i;
 596         JitInfoData **d;
 597
 598         g_assert (region->num_datas > 0);
 599
 600         n = random () % region->num_datas;
 601
 602         for (d = &region->data, i = 0;
 603              i < n;
 604              d = &(*d)->next, ++i)
 605                 ;
 606
 607         return d;
 608 }
 609
 610 static Region*
 611 choose_random_region (ThreadData *td)
 612 {
 613         return &td->regions [random () % td->num_regions];
 614 }
 615
 616 static ThreadData*
 617 choose_random_thread (void)
 618 {
 619         return &thread_datas [random () % num_threads];
 620 }
 621
 622 static void
 623 free_jit_info_data (ThreadData *td, JitInfoData *free)
 624 {
 625         free->next = td->frees;
 626         td->frees = free;
 627
 628         if (++td->num_frees >= 1000) {
 629                 int i;
 630
 631                 for (i = 0; i < 500; ++i)
 632                         free = free->next;
 633
 634                 while (free->next != NULL) {
 635                         JitInfoData *next = free->next->next;
 636
 637                         //g_free (free->next->ji);
 638                         g_free (free->next);
 639                         free->next = next;
 640
 641                         --td->num_frees;
 642                 }
 643         }
 644 }
 645
 646 #define NUM_THREADS             8
 647 #define REGIONS_PER_THREAD      10
 648 #define REGION_SIZE             0x10000
 649
 650 #define MAX_ADDR                (REGION_SIZE * REGIONS_PER_THREAD * NUM_THREADS)
 651
 652 #define MODE_ALLOC      1
 653 #define MODE_FREE       2
 654
 655 static void
 656 test_thread_func (ThreadData *td)
 657 {
 658         int mode = MODE_ALLOC;
 659         int i = 0;
 660         gulong lookup_successes = 0, lookup_failures = 0;
 661         MonoDomain *domain = test_domain;
 662         int thread_num = (int)(td - thread_datas);
 663         gboolean modify_thread = thread_num < NUM_THREADS / 2; /* only half of the threads modify the table */
 664
 665         for (;;) {
 666                 int alloc;
 667                 int lookup = 1;
 668
 669                 if (td->num_datas == 0) {
 670                         lookup = 0;
 671                         alloc = 1;
 672                 } else if (modify_thread && random () % 1000 < 5) {
 673                         lookup = 0;
 674                         if (mode == MODE_ALLOC)
 675                                 alloc = (random () % 100) < 70;
 676                         else if (mode == MODE_FREE)
 677                                 alloc = (random () % 100) < 30;
 678                 }
 679
 680                 if (lookup) {
 681                         /* modify threads sometimes look up their own jit infos */
 682                         if (modify_thread && random () % 10 < 5) {
 683                                 Region *region = choose_random_region (td);
 684
 685                                 if (region->num_datas > 0) {
 686                                         JitInfoData **data = choose_random_data (region);
 687                                         guint pos = (*data)->start + random () % (*data)->length;
 688                                         MonoJitInfo *ji;
 689
 690                                         ji = mono_jit_info_table_find (domain, (char*)(gulong) pos);
 691
 692                                         g_assert (ji->cas_inited);
 693                                         g_assert ((*data)->ji == ji);
 694                                 }
 695                         } else {
 696                                 int pos = random () % MAX_ADDR;
 697                                 char *addr = (char*)(gulong) pos;
 698                                 MonoJitInfo *ji;
 699
 700                                 ji = mono_jit_info_table_find (domain, addr);
 701
 702                                 /*
 703                                  * FIXME: We are actually not allowed
 704                                  * to do this.  By the time we examine
 705                                  * the ji another thread might already
 706                                  * have removed it.
 707                                  */
 708                                 if (ji != NULL) {
 709                                         g_assert (addr >= (char*)ji->code_start && addr < (char*)ji->code_start + ji->code_size);
 710                                         ++lookup_successes;
 711                                 } else
 712                                         ++lookup_failures;
 713                         }
 714                 } else if (alloc) {
 715                         JitInfoData *data = alloc_random_data (choose_random_region (td));
 716
 717                         if (data != NULL) {
 718                                 mono_jit_info_table_add (domain, data->ji);
 719
 720                                 ++td->num_datas;
 721                         }
 722                 } else {
 723                         Region *region = choose_random_region (td);
 724
 725                         if (region->num_datas > 0) {
 726                                 JitInfoData **data = choose_random_data (region);
 727                                 JitInfoData *free;
 728
 729                                 mono_jit_info_table_remove (domain, (*data)->ji);
 730
 731                                 //(*data)->ji->cas_inited = 0; /* marks a free jit info */
 732
 733                                 free = *data;
 734                                 *data = (*data)->next;
 735
 736                                 free_jit_info_data (td, free);
 737
 738                                 --region->num_datas;
 739                                 --td->num_datas;
 740                         }
 741                 }
 742
 743                 if (++i % 100000 == 0) {
 744                         int j;
 745                         g_print ("num datas %d (%ld - %ld): %d", (int)(td - thread_datas),
 746                                  lookup_successes, lookup_failures, td->num_datas);
 747                         for (j = 0; j < td->num_regions; ++j)
 748                                 g_print ("  %d", td->regions [j].num_datas);
 749                         g_print ("\n");
 750                 }
 751
 752                 if (td->num_datas < 100)
 753                         mode = MODE_ALLOC;
 754                 else if (td->num_datas > 2000)
 755                         mode = MODE_FREE;
 756         }
 757 }
 758
 759 /*
 760 static void
 761 small_id_thread_func (gpointer arg)
 762 {
 763         MonoThread *thread = mono_thread_current ();
 764         MonoThreadHazardPointers *hp = mono_hazard_pointer_get ();
 765
 766         g_print ("my small id is %d\n", (int)thread->small_id);
 767         mono_hazard_pointer_clear (hp, 1);
 768         sleep (3);
 769         g_print ("done %d\n", (int)thread->small_id);
 770 }
 771 */
 772
 773 static void
 774 jit_info_table_test (MonoDomain *domain)
 775 {
 776         int i;
 777
 778         g_print ("testing jit_info_table\n");
 779
 780         num_threads = NUM_THREADS;
 781         thread_datas = g_new0 (ThreadData, num_threads);
 782
 783         for (i = 0; i < num_threads; ++i) {
 784                 int j;
 785
 786                 thread_datas [i].num_regions = REGIONS_PER_THREAD;
 787                 thread_datas [i].regions = g_new0 (Region, REGIONS_PER_THREAD);
 788
 789                 for (j = 0; j < REGIONS_PER_THREAD; ++j) {
 790                         thread_datas [i].regions [j].start = (num_threads * j + i) * REGION_SIZE;
 791                         thread_datas [i].regions [j].length = REGION_SIZE;
 792                 }
 793         }
 794
 795         test_domain = domain;
 796
 797         /*
 798         for (i = 0; i < 72; ++i)
 799                 mono_thread_create (domain, small_id_thread_func, NULL);
 800
 801         sleep (2);
 802         */
 803
 804         for (i = 0; i < num_threads; ++i)
 805                 mono_thread_create (domain, test_thread_func, &thread_datas [i]);
 806 }
 807 #endif
 808
 809 enum {
 810         DO_BENCH,
 811         DO_REGRESSION,
 812         DO_COMPILE,
 813         DO_EXEC,
 814         DO_DRAW,
 815         DO_DEBUGGER
 816 };
 817
 818 typedef struct CompileAllThreadArgs {
 819         MonoAssembly *ass;
 820         int verbose;
 821         guint32 opts;
 822 } CompileAllThreadArgs;
 823
 824 static void
 825 compile_all_methods_thread_main (CompileAllThreadArgs *args)
 826 {
 827         MonoAssembly *ass = args->ass;
 828         int verbose = args->verbose;
 829         MonoImage *image = mono_assembly_get_image (ass);
 830         MonoMethod *method;
 831         MonoCompile *cfg;
 832         int i, count = 0, fail_count = 0;
 833
 834         for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
 835                 guint32 token = MONO_TOKEN_METHOD_DEF | (i + 1);
 836                 MonoMethodSignature *sig;
 837
 838                 if (mono_metadata_has_generic_params (image, token))
 839                         continue;
 840
 841                 method = mono_get_method (image, token, NULL);
 842                 if (!method)
 843                         continue;
 844                 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
 845                     (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
 846                     (method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) ||
 847                     (method->flags & METHOD_ATTRIBUTE_ABSTRACT))
 848                         continue;
 849
 850                 if (method->klass->generic_container)
 851                         continue;
 852                 sig = mono_method_signature (method);
 853                 if (sig->has_type_parameters)
 854                         continue;
 855
 856                 count++;
 857                 if (verbose) {
 858                         char * desc = mono_method_full_name (method, TRUE);
 859                         g_print ("Compiling %d %s\n", count, desc);
 860                         g_free (desc);
 861                 }
 862                 cfg = mini_method_compile (method, args->opts, mono_get_root_domain (), FALSE, FALSE, 0);
 863                 if (cfg->exception_type != MONO_EXCEPTION_NONE) {
 864                         printf ("Compilation of %s failed with exception '%s':\n", mono_method_full_name (cfg->method, TRUE), cfg->exception_message);
 865                         fail_count ++;
 866                 }
 867                 mono_destroy_compile (cfg);
 868         }
 869
 870         if (fail_count)
 871                 exit (1);
 872 }
 873
 874 static void
 875 compile_all_methods (MonoAssembly *ass, int verbose, guint32 opts)
 876 {
 877         CompileAllThreadArgs args;
 878
 879         args.ass = ass;
 880         args.verbose = verbose;
 881         args.opts = opts;
 882
 883         /*
 884          * Need to create a mono thread since compilation might trigger
 885          * running of managed code.
 886          */
 887         mono_thread_create (mono_domain_get (), compile_all_methods_thread_main, &args);
 888
 889         mono_thread_manage ();
 890 }
 891
 892 /**
 893  * mono_jit_exec:
 894  * @assembly: reference to an assembly
 895  * @argc: argument count
 896  * @argv: argument vector
 897  *
 898  * Start execution of a program.
 899  */
 900 int
 901 mono_jit_exec (MonoDomain *domain, MonoAssembly *assembly, int argc, char *argv[])
 902 {
 903         MonoImage *image = mono_assembly_get_image (assembly);
 904         MonoMethod *method;
 905         guint32 entry = mono_image_get_entry_point (image);
 906
 907         if (!entry) {
 908                 g_print ("Assembly '%s' doesn't have an entry point.\n", mono_image_get_filename (image));
 909                 /* FIXME: remove this silly requirement. */
 910                 mono_environment_exitcode_set (1);
 911                 return 1;
 912         }
 913
 914         method = mono_get_method (image, entry, NULL);
 915         if (method == NULL){
 916                 g_print ("The entry point method could not be loaded\n");
 917                 mono_environment_exitcode_set (1);
 918                 return 1;
 919         }
 920
 921         return mono_runtime_run_main (method, argc, argv, NULL);
 922 }
 923
 924 typedef struct
 925 {
 926         MonoDomain *domain;
 927         const char *file;
 928         int argc;
 929         char **argv;
 930         guint32 opts;
 931         char *aot_options;
 932 } MainThreadArgs;
 933
 934 static void main_thread_handler (gpointer user_data)
 935 {
 936         MainThreadArgs *main_args = user_data;
 937         MonoAssembly *assembly;
 938
 939         if (mono_compile_aot) {
 940                 int i, res;
 941
 942                 /* Treat the other arguments as assemblies to compile too */
 943                 for (i = 0; i < main_args->argc; ++i) {
 944                         assembly = mono_domain_assembly_open (main_args->domain, main_args->argv [i]);
 945                         if (!assembly) {
 946                                 fprintf (stderr, "Can not open image %s\n", main_args->argv [i]);
 947                                 exit (1);
 948                         }
 949                         res = mono_compile_assembly (assembly, main_args->opts, main_args->aot_options);
 950                         if (res != 0) {
 951                                 fprintf (stderr, "AOT of image %s failed.\n", main_args->argv [i]);
 952                                 exit (1);
 953                         }
 954                 }
 955         } else {
 956                 assembly = mono_domain_assembly_open (main_args->domain, main_args->file);
 957                 if (!assembly){
 958                         fprintf (stderr, "Can not open image %s\n", main_args->file);
 959                         exit (1);
 960                 }
 961
 962                 /*
 963                  * This must be done in a thread managed by mono since it can invoke
 964                  * managed code.
 965                  */
 966                 if (main_args->opts & MONO_OPT_PRECOMP)
 967                         mono_precompile_assemblies ();
 968
 969                 mono_jit_exec (main_args->domain, assembly, main_args->argc, main_args->argv);
 970         }
 971 }
 972
 973 static int
 974 load_agent (MonoDomain *domain, char *desc)
 975 {
 976         char* col = strchr (desc, ':');
 977         char *agent, *args;
 978         MonoAssembly *agent_assembly;
 979         MonoImage *image;
 980         MonoMethod *method;
 981         guint32 entry;
 982         MonoArray *main_args;
 983         gpointer pa [1];
 984         MonoImageOpenStatus open_status;
 985
 986         if (col) {
 987                 agent = g_memdup (desc, col - desc + 1);
 988                 agent [col - desc] = '\0';
 989                 args = col + 1;
 990         } else {
 991                 agent = g_strdup (desc);
 992                 args = NULL;
 993         }
 994
 995         agent_assembly = mono_assembly_open (agent, &open_status);
 996         if (!agent_assembly) {
 997                 fprintf (stderr, "Cannot open agent assembly '%s': %s.\n", agent, mono_image_strerror (open_status));
 998                 g_free (agent);
 999                 return 2;
1000         }
1001
1002         /*
1003          * Can't use mono_jit_exec (), as it sets things which might confuse the
1004          * real Main method.
1005          */
1006         image = mono_assembly_get_image (agent_assembly);
1007         entry = mono_image_get_entry_point (image);
1008         if (!entry) {
1009                 g_print ("Assembly '%s' doesn't have an entry point.\n", mono_image_get_filename (image));
1010                 g_free (agent);
1011                 return 1;
1012         }
1013
1014         method = mono_get_method (image, entry, NULL);
1015         if (method == NULL){
1016                 g_print ("The entry point method of assembly '%s' could not be loaded\n", agent);
1017                 g_free (agent);
1018                 return 1;
1019         }
1020
1021         mono_thread_set_main (mono_thread_current ());
1022
1023         if (args) {
1024                 main_args = (MonoArray*)mono_array_new (domain, mono_defaults.string_class, 1);
1025                 mono_array_set (main_args, MonoString*, 0, mono_string_new (domain, args));
1026         } else {
1027                 main_args = (MonoArray*)mono_array_new (domain, mono_defaults.string_class, 0);
1028         }
1029
1030         g_free (agent);
1031
1032         pa [0] = main_args;
1033         /* Pass NULL as 'exc' so unhandled exceptions abort the runtime */
1034         mono_runtime_invoke (method, NULL, pa, NULL);
1035
1036         return 0;
1037 }
1038
1039 static void
1040 mini_usage_jitdeveloper (void)
1041 {
1042         int i;
1043
1044         fprintf (stdout,
1045                  "Runtime and JIT debugging options:\n"
1046                  "    --breakonex            Inserts a breakpoint on exceptions\n"
1047                  "    --break METHOD         Inserts a breakpoint at METHOD entry\n"
1048                  "    --break-at-bb METHOD N Inserts a breakpoint in METHOD at BB N\n"
1049                  "    --compile METHOD       Just compile METHOD in assembly\n"
1050                  "    --compile-all          Compiles all the methods in the assembly\n"
1051                  "    --ncompile N           Number of times to compile METHOD (default: 1)\n"
1052                  "    --print-vtable         Print the vtable of all used classes\n"
1053                  "    --regression           Runs the regression test contained in the assembly\n"
1054                  "    --statfile FILE        Sets the stat file to FILE\n"
1055                  "    --stats                Print statistics about the JIT operations\n"
1056                  "    --wapi=hps|semdel|seminfo IO-layer maintenance\n"
1057                  "    --inject-async-exc METHOD OFFSET Inject an asynchronous exception at METHOD\n"
1058                  "    --verify-all           Run the verifier on all methods\n"
1059                  "    --full-aot             Avoid JITting any code\n"
1060                  "    --agent=ASSEMBLY[:ARG] Loads the specific agent assembly and executes its Main method with the given argument before loading the main assembly.\n"
1061                  "    --no-x86-stack-align   Don't align stack on x86\n"
1062                  "\n"
1063                  "Other options:\n"
1064                  "    --graph[=TYPE] METHOD  Draws a graph of the specified method:\n");
1065
1066         for (i = 0; i < G_N_ELEMENTS (graph_names); ++i) {
1067                 fprintf (stdout, "                           %-10s %s\n", graph_names [i].name, graph_names [i].desc);
1068         }
1069 }
1070
1071 static void
1072 mini_usage_list_opt (void)
1073 {
1074         int i;
1075
1076         for (i = 0; i < G_N_ELEMENTS (opt_names); ++i)
1077                 fprintf (stdout, "                           %-10s %s\n", optflag_get_name (i), optflag_get_desc (i));
1078 }
1079
1080 static void
1081 mini_usage (void)
1082 {
1083         fprintf (stdout,
1084                 "Usage is: mono [options] program [program-options]\n"
1085                 "\n"
1086                 "Development:\n"
1087                 "    --aot                  Compiles the assembly to native code\n"
1088                 "    --debug[=<options>]    Enable debugging support, use --help-debug for details\n"
1089                 "    --profile[=profiler]   Runs in profiling mode with the specified profiler module\n"
1090                 "    --trace[=EXPR]         Enable tracing, use --help-trace for details\n"
1091                 "    --help-devel           Shows more options available to developers\n"
1092                 "\n"
1093                 "Runtime:\n"
1094                 "    --config FILE          Loads FILE as the Mono config\n"
1095                 "    --verbose, -v          Increases the verbosity level\n"
1096                 "    --help, -h             Show usage information\n"
1097                 "    --version, -V          Show version information\n"
1098                 "    --runtime=VERSION      Use the VERSION runtime, instead of autodetecting\n"
1099                 "    --optimize=OPT         Turns on or off a specific optimization\n"
1100                 "                           Use --list-opt to get a list of optimizations\n"
1101                 "    --security[=mode]      Turns on the unsupported security manager (off by default)\n"
1102                 "                           mode is one of cas, core-clr, verifiable or validil\n"
1103                 "    --attach=OPTIONS       Pass OPTIONS to the attach agent in the runtime.\n"
1104                 "                           Currently the only supported option is 'disable'.\n"
1105           );
1106 }
1107
1108 static void
1109 mini_trace_usage (void)
1110 {
1111         fprintf (stdout,
1112                  "Tracing options:\n"
1113                  "   --trace[=EXPR]        Trace every call, optional EXPR controls the scope\n"
1114                  "\n"
1115                  "EXPR is composed of:\n"
1116                  "    all                  All assemblies\n"
1117                  "    none                 No assemblies\n"
1118                  "    program              Entry point assembly\n"
1119                  "    assembly             Specifies an assembly\n"
1120                  "    M:Type:Method        Specifies a method\n"
1121                  "    N:Namespace          Specifies a namespace\n"
1122                  "    T:Type               Specifies a type\n"
1123                  "    +EXPR                Includes expression\n"
1124                  "    -EXPR                Excludes expression\n"
1125                  "    EXPR,EXPR            Multiple expressions\n"
1126                  "    disabled             Don't print any output until toggled via SIGUSR2\n");
1127 }
1128
1129 static void
1130 mini_debug_usage (void)
1131 {
1132         fprintf (stdout,
1133                  "Debugging options:\n"
1134                  "   --debug[=OPTIONS]     Enable debugging support, optional OPTIONS is a comma\n"
1135                  "                         separated list of options\n"
1136                  "\n"
1137                  "OPTIONS is composed of:\n"
1138                  "    casts                Enable more detailed InvalidCastException messages.\n"
1139                  "    mdb-optimizations    Disable some JIT optimizations which are normally\n"
1140                  "                         disabled when running inside the debugger.\n"
1141                  "                         This is useful if you plan to attach to the running\n"
1142                  "                         process with the debugger.\n");
1143 }
1144
1145 #if defined(MONO_ARCH_ARCHITECTURE)
1146 /* Redefine ARCHITECTURE to include more information */
1147 #undef ARCHITECTURE
1148 #define ARCHITECTURE MONO_ARCH_ARCHITECTURE
1149 #endif
1150
1151 static const char info[] =
1152 #ifdef HAVE_KW_THREAD
1153         "\tTLS:           __thread\n"
1154 #else
1155         "\tTLS:           normal\n"
1156 #endif /* HAVE_KW_THREAD */
1157         "\tGC:            " USED_GC_NAME "\n"
1158 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
1159     "\tSIGSEGV:       altstack\n"
1160 #else
1161     "\tSIGSEGV:       normal\n"
1162 #endif
1163 #ifdef HAVE_EPOLL
1164     "\tNotifications: epoll\n"
1165 #else
1166     "\tNotification:  Thread + polling\n"
1167 #endif
1168         "\tArchitecture:  " ARCHITECTURE "\n"
1169         "\tDisabled:      " DISABLED_FEATURES "\n"
1170         "";
1171
1172 #ifndef MONO_ARCH_AOT_SUPPORTED
1173 #define error_if_aot_unsupported() do {fprintf (stderr, "AOT compilation is not supported on this platform.\n"); exit (1);} while (0)
1174 #else
1175 #define error_if_aot_unsupported()
1176 #endif
1177
1178 #ifdef PLATFORM_WIN32
1179 BOOL APIENTRY DllMain (HMODULE module_handle, DWORD reason, LPVOID reserved)
1180 {
1181         if (!GC_DllMain (module_handle, reason, reserved))
1182                 return FALSE;
1183
1184         switch (reason)
1185         {
1186         case DLL_PROCESS_ATTACH:
1187                 mono_install_runtime_load (mini_init);
1188                 break;
1189         case DLL_PROCESS_DETACH:
1190                 if (coree_module_handle)
1191                         FreeLibrary (coree_module_handle);
1192                 break;
1193         }
1194         return TRUE;
1195 }
1196 #endif
1197
1198 int
1199 mono_main (int argc, char* argv[])
1200 {
1201         MainThreadArgs main_args;
1202         MonoAssembly *assembly;
1203         MonoMethodDesc *desc;
1204         MonoMethod *method;
1205         MonoCompile *cfg;
1206         MonoDomain *domain;
1207         MonoImageOpenStatus open_status;
1208         const char* aname, *mname = NULL;
1209         char *config_file = NULL;
1210         int i, count = 1;
1211         int enable_debugging = FALSE;
1212         guint32 opt, action = DO_EXEC;
1213         MonoGraphOptions mono_graph_options = 0;
1214         int mini_verbose = 0;
1215         gboolean enable_profile = FALSE;
1216         char *trace_options = NULL;
1217         char *profile_options = NULL;
1218         char *aot_options = NULL;
1219         char *forced_version = NULL;
1220         GPtrArray *agents = NULL;
1221         char *attach_options = NULL;
1222 #ifdef MONO_JIT_INFO_TABLE_TEST
1223         int test_jit_info_table = FALSE;
1224 #endif
1225
1226         setlocale (LC_ALL, "");
1227
1228 #if HAVE_SCHED_SETAFFINITY
1229         if (getenv ("MONO_NO_SMP")) {
1230                 unsigned long proc_mask = 1;
1231                 sched_setaffinity (getpid(), sizeof (unsigned long), (gpointer)&proc_mask);
1232         }
1233 #endif
1234         if (!g_thread_supported ())
1235                 g_thread_init (NULL);
1236
1237         if (mono_running_on_valgrind () && getenv ("MONO_VALGRIND_LEAK_CHECK")) {
1238                 GMemVTable mem_vtable;
1239
1240                 /*
1241                  * Instruct glib to use the system allocation functions so valgrind
1242                  * can track the memory allocated by the g_... functions.
1243                  */
1244                 memset (&mem_vtable, 0, sizeof (mem_vtable));
1245                 mem_vtable.malloc = malloc;
1246                 mem_vtable.realloc = realloc;
1247                 mem_vtable.free = free;
1248                 mem_vtable.calloc = calloc;
1249
1250                 g_mem_set_vtable (&mem_vtable);
1251         }
1252
1253         g_log_set_always_fatal (G_LOG_LEVEL_ERROR);
1254         g_log_set_fatal_mask (G_LOG_DOMAIN, G_LOG_LEVEL_ERROR);
1255
1256         opt = parse_optimizations (NULL);
1257
1258         for (i = 1; i < argc; ++i) {
1259                 if (argv [i] [0] != '-')
1260                         break;
1261                 if (strcmp (argv [i], "--regression") == 0) {
1262                         action = DO_REGRESSION;
1263                 } else if (strcmp (argv [i], "--verbose") == 0 || strcmp (argv [i], "-v") == 0) {
1264                         mini_verbose++;
1265                 } else if (strcmp (argv [i], "--version") == 0 || strcmp (argv [i], "-V") == 0) {
1266                         char *build = mono_get_runtime_build_info ();
1267                         g_print ("Mono JIT compiler version %s (%s)\nCopyright (C) 2002-2008 Novell, Inc and Contributors. www.mono-project.com\n", VERSION, build);
1268                         g_free (build);
1269                         g_print (info);
1270                         if (mini_verbose) {
1271                                 const char *cerror;
1272                                 const char *clibpath;
1273                                 mono_init ("mono");
1274                                 cerror = mono_check_corlib_version ();
1275                                 clibpath = mono_defaults.corlib? mono_image_get_filename (mono_defaults.corlib): "unknown";
1276                                 if (cerror) {
1277                                         g_print ("The currently installed mscorlib doesn't match this runtime version.\n");
1278                                         g_print ("The error is: %s\n", cerror);
1279                                         g_print ("mscorlib.dll loaded at: %s\n", clibpath);
1280                                         return 1;
1281                                 }
1282                         }
1283                         return 0;
1284                 } else if (strcmp (argv [i], "--help") == 0 || strcmp (argv [i], "-h") == 0) {
1285                         mini_usage ();
1286                         return 0;
1287                 } else if (strcmp (argv [i], "--help-trace") == 0){
1288                         mini_trace_usage ();
1289                         return 0;
1290                 } else if (strcmp (argv [i], "--help-devel") == 0){
1291                         mini_usage_jitdeveloper ();
1292                         return 0;
1293                 } else if (strcmp (argv [i], "--help-debug") == 0){
1294                         mini_debug_usage ();
1295                         return 0;
1296                 } else if (strcmp (argv [i], "--list-opt") == 0){
1297                         mini_usage_list_opt ();
1298                         return 0;
1299                 } else if (strncmp (argv [i], "--statfile", 10) == 0) {
1300                         if (i + 1 >= argc){
1301                                 fprintf (stderr, "error: --statfile requires a filename argument\n");
1302                                 return 1;
1303                         }
1304                         mini_stats_fd = fopen (argv [++i], "w+");
1305                 } else if (strncmp (argv [i], "--optimize=", 11) == 0) {
1306                         opt = parse_optimizations (argv [i] + 11);
1307                 } else if (strncmp (argv [i], "-O=", 3) == 0) {
1308                         opt = parse_optimizations (argv [i] + 3);
1309                 } else if (strcmp (argv [i], "--config") == 0) {
1310                         if (i +1 >= argc){
1311                                 fprintf (stderr, "error: --config requires a filename argument\n");
1312                                 return 1;
1313                         }
1314                         config_file = argv [++i];
1315                 } else if (strcmp (argv [i], "--ncompile") == 0) {
1316                         if (i + 1 >= argc){
1317                                 fprintf (stderr, "error: --ncompile requires an argument\n");
1318                                 return 1;
1319                         }
1320                         count = atoi (argv [++i]);
1321                         action = DO_BENCH;
1322                 } else if (strcmp (argv [i], "--trace") == 0) {
1323                         trace_options = (char*)"";
1324                 } else if (strncmp (argv [i], "--trace=", 8) == 0) {
1325                         trace_options = &argv [i][8];
1326                 } else if (strcmp (argv [i], "--breakonex") == 0) {
1327                         mono_break_on_exc = TRUE;
1328                 } else if (strcmp (argv [i], "--break") == 0) {
1329                         if (i+1 >= argc){
1330                                 fprintf (stderr, "Missing method name in --break command line option\n");
1331                                 return 1;
1332                         }
1333
1334                         if (!mono_debugger_insert_breakpoint (argv [++i], FALSE))
1335                                 fprintf (stderr, "Error: invalid method name '%s'\n", argv [i]);
1336                 } else if (strcmp (argv [i], "--break-at-bb") == 0) {
1337                         if (i + 2 >= argc) {
1338                                 fprintf (stderr, "Missing method name or bb num in --break-at-bb command line option.");
1339                                 return 1;
1340                         }
1341                         mono_break_at_bb_method = mono_method_desc_new (argv [++i], TRUE);
1342                         if (mono_break_at_bb_method == NULL) {
1343                                 fprintf (stderr, "Method name is in a bad format in --break-at-bb command line option.");
1344                                 return 1;
1345                         }
1346                         mono_break_at_bb_bb_num = atoi (argv [++i]);
1347                 } else if (strcmp (argv [i], "--inject-async-exc") == 0) {
1348                         if (i + 2 >= argc) {
1349                                 fprintf (stderr, "Missing method name or position in --inject-async-exc command line option\n");
1350                                 return 1;
1351                         }
1352                         mono_inject_async_exc_method = mono_method_desc_new (argv [++i], TRUE);
1353                         if (mono_inject_async_exc_method == NULL) {
1354                                 fprintf (stderr, "Method name is in a bad format in --inject-async-exc command line option\n");
1355                                 return 1;
1356                         }
1357                         mono_inject_async_exc_pos = atoi (argv [++i]);
1358                 } else if (strcmp (argv [i], "--verify-all") == 0) {
1359                         mono_verifier_enable_verify_all ();
1360                 } else if (strcmp (argv [i], "--full-aot") == 0) {
1361                         mono_aot_only = TRUE;
1362                 } else if (strcmp (argv [i], "--print-vtable") == 0) {
1363                         mono_print_vtable = TRUE;
1364                 } else if (strcmp (argv [i], "--stats") == 0) {
1365                         mono_counters_enable (-1);
1366                         mono_stats.enabled = TRUE;
1367                         mono_jit_stats.enabled = TRUE;
1368 #ifndef DISABLE_AOT
1369                 } else if (strcmp (argv [i], "--aot") == 0) {
1370                         error_if_aot_unsupported ();
1371                         mono_compile_aot = TRUE;
1372                 } else if (strncmp (argv [i], "--aot=", 6) == 0) {
1373                         error_if_aot_unsupported ();
1374                         mono_compile_aot = TRUE;
1375                         aot_options = &argv [i][6];
1376 #endif
1377                 } else if (strcmp (argv [i], "--compile-all") == 0) {
1378                         action = DO_COMPILE;
1379                 } else if (strncmp (argv [i], "--runtime=", 10) == 0) {
1380                         forced_version = &argv [i][10];
1381                 } else if (strcmp (argv [i], "--profile") == 0) {
1382                         enable_profile = TRUE;
1383                         profile_options = NULL;
1384                 } else if (strncmp (argv [i], "--profile=", 10) == 0) {
1385                         enable_profile = TRUE;
1386                         profile_options = argv [i] + 10;
1387                 } else if (strncmp (argv [i], "--agent=", 8) == 0) {
1388                         if (agents == NULL)
1389                                 agents = g_ptr_array_new ();
1390                         g_ptr_array_add (agents, argv [i] + 8);
1391                 } else if (strncmp (argv [i], "--attach=", 9) == 0) {
1392                         attach_options = argv [i] + 9;
1393                 } else if (strcmp (argv [i], "--compile") == 0) {
1394                         if (i + 1 >= argc){
1395                                 fprintf (stderr, "error: --compile option requires a method name argument\n");
1396                                 return 1;
1397                         }
1398
1399                         mname = argv [++i];
1400                         action = DO_BENCH;
1401                 } else if (strncmp (argv [i], "--graph=", 8) == 0) {
1402                         if (i + 1 >= argc){
1403                                 fprintf (stderr, "error: --graph option requires a method name argument\n");
1404                                 return 1;
1405                         }
1406
1407                         mono_graph_options = mono_parse_graph_options (argv [i] + 8);
1408                         mname = argv [++i];
1409                         action = DO_DRAW;
1410                 } else if (strcmp (argv [i], "--graph") == 0) {
1411                         if (i + 1 >= argc){
1412                                 fprintf (stderr, "error: --graph option requires a method name argument\n");
1413                                 return 1;
1414                         }
1415
1416                         mname = argv [++i];
1417                         mono_graph_options = MONO_GRAPH_CFG;
1418                         action = DO_DRAW;
1419                 } else if (strcmp (argv [i], "--debug") == 0) {
1420                         enable_debugging = TRUE;
1421                 } else if (strncmp (argv [i], "--debug=", 8) == 0) {
1422                         enable_debugging = TRUE;
1423                         if (!parse_debug_options (argv [i] + 8))
1424                                 return 1;
1425                 } else if (strcmp (argv [i], "--security") == 0) {
1426                         mono_verifier_set_mode (MONO_VERIFIER_MODE_VERIFIABLE);
1427                         mono_security_set_mode (MONO_SECURITY_MODE_CAS);
1428                         mono_activate_security_manager ();
1429                 } else if (strncmp (argv [i], "--security=", 11) == 0) {
1430                         if (strcmp (argv [i] + 11, "temporary-smcs-hack") == 0) {
1431                                 mono_security_set_mode (MONO_SECURITY_MODE_SMCS_HACK);
1432                         } else if (strcmp (argv [i] + 11, "core-clr") == 0) {
1433                                 mono_verifier_set_mode (MONO_VERIFIER_MODE_VERIFIABLE);
1434                                 mono_security_set_mode (MONO_SECURITY_MODE_CORE_CLR);
1435                         } else if (strcmp (argv [i] + 11, "core-clr-test") == 0) {
1436                                 /* fixme should we enable verifiable code here?*/
1437                                 mono_security_set_mode (MONO_SECURITY_MODE_CORE_CLR);
1438                                 mono_security_core_clr_test = TRUE;
1439                         } else if (strcmp (argv [i] + 11, "cas") == 0){
1440                                 mono_verifier_set_mode (MONO_VERIFIER_MODE_VERIFIABLE);
1441                                 mono_security_set_mode (MONO_SECURITY_MODE_CAS);
1442                                 mono_activate_security_manager ();
1443                         } else  if (strcmp (argv [i] + 11, "validil") == 0) {
1444                                 mono_verifier_set_mode (MONO_VERIFIER_MODE_VALID);
1445                         } else  if (strcmp (argv [i] + 11, "verifiable") == 0) {
1446                                 mono_verifier_set_mode (MONO_VERIFIER_MODE_VERIFIABLE);
1447                         } else  {
1448                                 fprintf (stderr, "error: --security= option has invalid argument (cas, core-clr, verifiable or validil)\n");
1449                                 return 1;
1450                         }
1451                 } else if (strcmp (argv [i], "--desktop") == 0) {
1452 #if defined (HAVE_BOEHM_GC)
1453                         GC_dont_expand = 1;
1454 #endif
1455                         /* Put desktop-specific optimizations here */
1456                 } else if (strcmp (argv [i], "--server") == 0){
1457                         /* Put server-specific optimizations here */
1458                 } else if (strcmp (argv [i], "--inside-mdb") == 0) {
1459                         action = DO_DEBUGGER;
1460                 } else if (strncmp (argv [i], "--wapi=", 7) == 0) {
1461                         if (strcmp (argv [i] + 7, "hps") == 0) {
1462                                 return mini_wapi_hps (argc - i, argv + i);
1463                         } else if (strcmp (argv [i] + 7, "semdel") == 0) {
1464                                 return mini_wapi_semdel (argc - i, argv + i);
1465                         } else if (strcmp (argv [i] + 7, "seminfo") == 0) {
1466                                 return mini_wapi_seminfo (argc - i, argv + i);
1467                         } else {
1468                                 fprintf (stderr, "Invalid --wapi suboption: '%s'\n", argv [i]);
1469                                 return 1;
1470                         }
1471                 } else if (strcmp (argv [i], "--no-x86-stack-align") == 0) {
1472                         mono_do_x86_stack_align = FALSE;
1473 #ifdef MONO_JIT_INFO_TABLE_TEST
1474                 } else if (strcmp (argv [i], "--test-jit-info-table") == 0) {
1475                         test_jit_info_table = TRUE;
1476 #endif
1477                 } else {
1478                         fprintf (stderr, "Unknown command line option: '%s'\n", argv [i]);
1479                         return 1;
1480                 }
1481         }
1482
1483         if (!argv [i]) {
1484                 mini_usage ();
1485                 return 1;
1486         }
1487
1488         if (getenv ("MONO_XDEBUG"))
1489                 enable_debugging = TRUE;
1490
1491         if ((action == DO_EXEC) && mono_debug_using_mono_debugger ())
1492                 action = DO_DEBUGGER;
1493
1494         if (mono_compile_aot || action == DO_EXEC || action == DO_DEBUGGER) {
1495                 g_set_prgname (argv[i]);
1496         }
1497
1498         if (enable_profile) {
1499                 /* Needed because of TLS accesses in mono_profiler_load () */
1500                 mono_gc_base_init ();
1501                 mono_profiler_load (profile_options);
1502         }
1503
1504         mono_attach_parse_options (attach_options);
1505
1506         if (trace_options != NULL){
1507                 /*
1508                  * Need to call this before mini_init () so we can trace methods
1509                  * compiled there too.
1510                  */
1511                 mono_jit_trace_calls = mono_trace_parse_options (trace_options);
1512                 if (mono_jit_trace_calls == NULL)
1513                         exit (1);
1514         }
1515
1516 #ifdef DISABLE_JIT
1517         if (!mono_aot_only) {
1518                 fprintf (stderr, "This runtime has been configured with --enable-minimal=jit, so the --full-aot command line option is required.\n");
1519                 exit (1);
1520         }
1521 #endif
1522
1523         if (action == DO_DEBUGGER) {
1524                 enable_debugging = TRUE;
1525
1526 #ifdef MONO_DEBUGGER_SUPPORTED
1527                 mono_debug_init (MONO_DEBUG_FORMAT_DEBUGGER);
1528                 mono_debugger_init ();
1529 #else
1530                 g_print ("The Mono Debugger is not supported on this platform.\n");
1531                 return 1;
1532 #endif
1533         } else if (enable_debugging)
1534                 mono_debug_init (MONO_DEBUG_FORMAT_MONO);
1535
1536         mono_set_defaults (mini_verbose, opt);
1537         mono_setup_vtable_in_class_init = FALSE;
1538         domain = mini_init (argv [i], forced_version);
1539
1540         if (agents) {
1541                 int i;
1542
1543                 for (i = 0; i < agents->len; ++i) {
1544                         int res = load_agent (domain, (char*)g_ptr_array_index (agents, i));
1545                         if (res) {
1546                                 g_ptr_array_free (agents, TRUE);
1547                                 mini_cleanup (domain);
1548                                 return 1;
1549                         }
1550                 }
1551
1552                 g_ptr_array_free (agents, TRUE);
1553         }
1554
1555         switch (action) {
1556         case DO_REGRESSION:
1557                 if (mini_regression_list (mini_verbose, argc -i, argv + i)) {
1558                         g_print ("Regression ERRORS!\n");
1559                         mini_cleanup (domain);
1560                         return 1;
1561                 }
1562                 mini_cleanup (domain);
1563                 return 0;
1564         case DO_BENCH:
1565                 if (argc - i != 1 || mname == NULL) {
1566                         g_print ("Usage: mini --ncompile num --compile method assembly\n");
1567                         mini_cleanup (domain);
1568                         return 1;
1569                 }
1570                 aname = argv [i];
1571                 break;
1572         case DO_COMPILE:
1573                 if (argc - i != 1) {
1574                         mini_usage ();
1575                         mini_cleanup (domain);
1576                         return 1;
1577                 }
1578                 aname = argv [i];
1579                 break;
1580         case DO_DRAW:
1581                 if (argc - i != 1 || mname == NULL) {
1582                         mini_usage ();
1583                         mini_cleanup (domain);
1584                         return 1;
1585                 }
1586                 aname = argv [i];
1587                 break;
1588         default:
1589                 if (argc - i < 1) {
1590                         mini_usage ();
1591                         mini_cleanup (domain);
1592                         return 1;
1593                 }
1594                 aname = argv [i];
1595                 break;
1596         }
1597
1598         /* Parse gac loading options before loading assemblies. */
1599         if (mono_compile_aot || action == DO_EXEC || action == DO_DEBUGGER) {
1600                 mono_config_parse (config_file);
1601         }
1602
1603 #ifdef MONO_JIT_INFO_TABLE_TEST
1604         if (test_jit_info_table)
1605                 jit_info_table_test (domain);
1606 #endif
1607
1608         assembly = mono_assembly_open (aname, &open_status);
1609         if (!assembly) {
1610                 fprintf (stderr, "Cannot open assembly '%s': %s.\n", aname, mono_image_strerror (open_status));
1611                 mini_cleanup (domain);
1612                 return 2;
1613         }
1614
1615         if (trace_options != NULL)
1616                 mono_trace_set_assembly (assembly);
1617
1618         if (mono_compile_aot || action == DO_EXEC) {
1619                 const char *error;
1620
1621                 //mono_set_rootdir ();
1622
1623                 error = mono_check_corlib_version ();
1624                 if (error) {
1625                         fprintf (stderr, "Corlib not in sync with this runtime: %s\n", error);
1626                         fprintf (stderr, "Loaded from: %s\n",
1627                                 mono_defaults.corlib? mono_image_get_filename (mono_defaults.corlib): "unknown");
1628                         fprintf (stderr, "Download a newer corlib or a newer runtime at http://www.go-mono.com/daily.\n");
1629                         exit (1);
1630                 }
1631
1632 #ifdef PLATFORM_WIN32
1633                 /* Detach console when executing IMAGE_SUBSYSTEM_WINDOWS_GUI on win32 */
1634                 if (!enable_debugging && !mono_compile_aot && ((MonoCLIImageInfo*)(mono_assembly_get_image (assembly)->image_info))->cli_header.nt.pe_subsys_required == IMAGE_SUBSYSTEM_WINDOWS_GUI)
1635                         FreeConsole ();
1636 #endif
1637
1638                 main_args.domain = domain;
1639                 main_args.file = aname;
1640                 main_args.argc = argc - i;
1641                 main_args.argv = argv + i;
1642                 main_args.opts = opt;
1643                 main_args.aot_options = aot_options;
1644 #if RUN_IN_SUBTHREAD
1645                 mono_runtime_exec_managed_code (domain, main_thread_handler, &main_args);
1646 #else
1647                 main_thread_handler (&main_args);
1648                 mono_thread_manage ();
1649 #endif
1650
1651         /*
1652          * On unix, WaitForMultipleObjects for threads is implemented by waiting on
1653          * a cond variable, which is set by the thread when it exits _mono code_,
1654          * but it could still be running libc code. On amd64, the libc thread exit
1655          * code does a stack unwind, and if it encounters a frame pointing to native
1656          * code which is in memory which is no longer mapped (because the runtime has
1657          * shut down), it will crash:
1658          * http://mail-archives.apache.org/mod_mbox/harmony-dev/200801.mbox/%3C200801130327.41572.gshimansky@apache.org%3E
1659          * Testcase: tests/main-exit-background-change.exe.
1660          * To make this race less frequent, we avoid freeing the global code manager.
1661          * Since mono_main () is hopefully only used by the runtime executable, this
1662          * will only cause a shutdown leak. This workaround also has the advantage
1663          * that it can be back-ported to 2.0 safely.
1664          * FIXME: Fix this properly by waiting for threads to really exit using
1665          * pthread_join (). This cannot be done currently as the io-layer calls
1666          * pthread_detach ().
1667          */
1668 #ifdef __x86_64__
1669                 mono_dont_free_global_codeman = TRUE;
1670 #endif
1671
1672                 mini_cleanup (domain);
1673
1674                 /* Look up return value from System.Environment.ExitCode */
1675                 i = mono_environment_exitcode_get ();
1676                 return i;
1677         } else if (action == DO_COMPILE) {
1678                 compile_all_methods (assembly, mini_verbose, opt);
1679                 mini_cleanup (domain);
1680                 return 0;
1681         } else if (action == DO_DEBUGGER) {
1682 #ifdef MONO_DEBUGGER_SUPPORTED
1683                 const char *error;
1684
1685                 error = mono_check_corlib_version ();
1686                 if (error) {
1687                         fprintf (stderr, "Corlib not in sync with this runtime: %s\n", error);
1688                         fprintf (stderr, "Download a newer corlib or a newer runtime at http://www.go-mono.com/daily.\n");
1689                         exit (1);
1690                 }
1691
1692                 mono_debugger_main (domain, assembly, argc - i, argv + i);
1693                 mini_cleanup (domain);
1694                 return 0;
1695 #else
1696                 return 1;
1697 #endif
1698         }
1699         desc = mono_method_desc_new (mname, 0);
1700         if (!desc) {
1701                 g_print ("Invalid method name %s\n", mname);
1702                 mini_cleanup (domain);
1703                 return 3;
1704         }
1705         method = mono_method_desc_search_in_image (desc, mono_assembly_get_image (assembly));
1706         if (!method) {
1707                 g_print ("Cannot find method %s\n", mname);
1708                 mini_cleanup (domain);
1709                 return 3;
1710         }
1711
1712         if (action == DO_DRAW) {
1713                 int part = 0;
1714
1715                 switch (mono_graph_options) {
1716                 case MONO_GRAPH_DTREE:
1717                         part = 1;
1718                         opt |= MONO_OPT_LOOP;
1719                         break;
1720                 case MONO_GRAPH_CFG_CODE:
1721                         part = 1;
1722                         break;
1723                 case MONO_GRAPH_CFG_SSA:
1724                         part = 2;
1725                         break;
1726                 case MONO_GRAPH_CFG_OPTCODE:
1727                         part = 3;
1728                         break;
1729                 default:
1730                         break;
1731                 }
1732
1733                 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
1734                         (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
1735                         MonoMethod *nm;
1736                         nm = mono_marshal_get_native_wrapper (method, TRUE, FALSE);
1737                         cfg = mini_method_compile (nm, opt, mono_get_root_domain (), FALSE, FALSE, part);
1738                 }
1739                 else
1740                         cfg = mini_method_compile (method, opt, mono_get_root_domain (), FALSE, FALSE, part);
1741                 if ((mono_graph_options & MONO_GRAPH_CFG_SSA) && !(cfg->comp_done & MONO_COMP_SSA)) {
1742                         g_warning ("no SSA info available (use -O=deadce)");
1743                         return 1;
1744                 }
1745                 mono_draw_graph (cfg, mono_graph_options);
1746                 mono_destroy_compile (cfg);
1747
1748         } else if (action == DO_BENCH) {
1749                 if (mini_stats_fd) {
1750                         const char *n;
1751                         double no_opt_time = 0.0;
1752                         GTimer *timer = g_timer_new ();
1753                         fprintf (mini_stats_fd, "$stattitle = \'Compilations times for %s\';\n",
1754                                  mono_method_full_name (method, TRUE));
1755                         fprintf (mini_stats_fd, "@data = (\n");
1756                         fprintf (mini_stats_fd, "[");
1757                         for (i = 0; i < G_N_ELEMENTS (opt_sets); i++) {
1758                                 opt = opt_sets [i];
1759                                 n = opt_descr (opt);
1760                                 if (!n [0])
1761                                         n = "none";
1762                                 fprintf (mini_stats_fd, "\"%s\",", n);
1763                         }
1764                         fprintf (mini_stats_fd, "],\n[");
1765
1766                         for (i = 0; i < G_N_ELEMENTS (opt_sets); i++) {
1767                                 int j;
1768                                 double elapsed;
1769                                 opt = opt_sets [i];
1770                                 g_timer_start (timer);
1771                                 for (j = 0; j < count; ++j) {
1772                                         cfg = mini_method_compile (method, opt, mono_get_root_domain (), FALSE, FALSE, 0);
1773                                         mono_destroy_compile (cfg);
1774                                 }
1775                                 g_timer_stop (timer);
1776                                 elapsed = g_timer_elapsed (timer, NULL);
1777                                 if (!opt)
1778                                         no_opt_time = elapsed;
1779                                 fprintf (mini_stats_fd, "%f, ", elapsed);
1780                         }
1781                         fprintf (mini_stats_fd, "]");
1782                         if (no_opt_time > 0.0) {
1783                                 fprintf (mini_stats_fd, ", \n[");
1784                                 for (i = 0; i < G_N_ELEMENTS (opt_sets); i++)
1785                                         fprintf (mini_stats_fd, "%f,", no_opt_time);
1786                                 fprintf (mini_stats_fd, "]");
1787                         }
1788                         fprintf (mini_stats_fd, ");\n");
1789                 } else {
1790                         for (i = 0; i < count; ++i) {
1791                                 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
1792                                         (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
1793                                         method = mono_marshal_get_native_wrapper (method, TRUE, FALSE);
1794
1795                                 cfg = mini_method_compile (method, opt, mono_get_root_domain (), FALSE, FALSE, 0);
1796                                 mono_destroy_compile (cfg);
1797                         }
1798                 }
1799         } else {
1800                 cfg = mini_method_compile (method, opt, mono_get_root_domain (), FALSE, FALSE, 0);
1801                 mono_destroy_compile (cfg);
1802         }
1803
1804         mini_cleanup (domain);
1805         return 0;
1806 }
1807
1808 MonoDomain *
1809 mono_jit_init (const char *file)
1810 {
1811         return mini_init (file, NULL);
1812 }
1813
1814 /**
1815  * mono_jit_init_version:
1816  * @domain_name: the name of the root domain
1817  * @runtime_version: the version of the runtime to load
1818  *
1819  * Use this version when you want to force a particular runtime
1820  * version to be used.  By default Mono will pick the runtime that is
1821  * referenced by the initial assembly (specified in @file), this
1822  * routine allows programmers to specify the actual runtime to be used
1823  * as the initial runtime is inherited by all future assemblies loaded
1824  * (since Mono does not support having more than one mscorlib runtime
1825  * loaded at once).
1826  *
1827  * The @runtime_version can be one of these strings: "v1.1.4322" for
1828  * the 1.1 runtime or "v2.0.50727"  for the 2.0 runtime.
1829  *
1830  * Returns: the MonoDomain representing the domain where the assembly
1831  * was loaded.
1832  */
1833 MonoDomain *
1834 mono_jit_init_version (const char *domain_name, const char *runtime_version)
1835 {
1836         return mini_init (domain_name, runtime_version);
1837 }
1838
1839 void
1840 mono_jit_cleanup (MonoDomain *domain)
1841 {
1842         mini_cleanup (domain);
1843 }
1844
1845 /**
1846  * mono_jit_set_trace_options:
1847  * @options: string representing the trace options
1848  *
1849  * Set the options of the tracing engine. This function can be called before initializing
1850  * the mono runtime. See the --trace mono(1) manpage for the options format.
1851  *
1852  * Returns: #TRUE if the options where parsed and set correctly, #FALSE otherwise.
1853  */
1854 gboolean
1855 mono_jit_set_trace_options (const char* options)
1856 {
1857         MonoTraceSpec *trace_opt = mono_trace_parse_options (options);
1858         if (trace_opt == NULL)
1859                 return FALSE;
1860         mono_jit_trace_calls = trace_opt;
1861         return TRUE;
1862 }
1863
1864 /**
1865  * mono_set_signal_chaining:
1866  *
1867  *   Enable/disable signal chaining. This should be called before mono_jit_init ().
1868  * If signal chaining is enabled, the runtime saves the original signal handlers before
1869  * installing its own handlers, and calls the original ones in the following cases:
1870  * - a SIGSEGV/SIGABRT signal received while executing native (i.e. not JITted) code.
1871  * - SIGPROF
1872  * - SIGFPE
1873  * - SIGQUIT
1874  * - SIGUSR2
1875  * Signal chaining only works on POSIX platforms.
1876  */
1877 void
1878 mono_set_signal_chaining (gboolean chain_signals)
1879 {
1880         mono_do_signal_chaining = chain_signals;
1881 }