mono/mini/mini-runtime.c

   1
   2 /*
   3  * mini-runtime.c: Runtime code for the JIT
   4  *
   5  * Authors:
   6  *   Paolo Molaro (lupus@ximian.com)
   7  *   Dietmar Maurer (dietmar@ximian.com)
   8  *
   9  * Copyright 2002-2003 Ximian, Inc.
  10  * Copyright 2003-2010 Novell, Inc.
  11  * Copyright 2011-2015 Xamarin, Inc (http://www.xamarin.com)
  12  * Licensed under the MIT license. See LICENSE file in the project root for full license information.
  13  */
  14
  15 #include <config.h>
  16 #ifdef HAVE_ALLOCA_H
  17 #include <alloca.h>
  18 #endif
  19 #ifdef HAVE_UNISTD_H
  20 #include <unistd.h>
  21 #endif
  22 #include <math.h>
  23 #ifdef HAVE_SYS_TIME_H
  24 #include <sys/time.h>
  25 #endif
  26 #ifdef HAVE_SIGNAL_H
  27 #include <signal.h>
  28 #endif
  29
  30 #include <mono/utils/memcheck.h>
  31
  32 #include <mono/metadata/assembly.h>
  33 #include <mono/metadata/loader.h>
  34 #include <mono/metadata/tabledefs.h>
  35 #include <mono/metadata/class.h>
  36 #include <mono/metadata/object.h>
  37 #include <mono/metadata/tokentype.h>
  38 #include <mono/metadata/tabledefs.h>
  39 #include <mono/metadata/threads.h>
  40 #include <mono/metadata/appdomain.h>
  41 #include <mono/metadata/debug-helpers.h>
  42 #include "mono/metadata/profiler.h"
  43 #include <mono/metadata/profiler-private.h>
  44 #include <mono/metadata/mono-config.h>
  45 #include <mono/metadata/environment.h>
  46 #include <mono/metadata/mono-debug.h>
  47 #include <mono/metadata/gc-internals.h>
  48 #include <mono/metadata/threads-types.h>
  49 #include <mono/metadata/mempool-internals.h>
  50 #include <mono/metadata/attach.h>
  51 #include <mono/metadata/runtime.h>
  52 #include <mono/metadata/reflection-internals.h>
  53 #include <mono/metadata/monitor.h>
  54 #include <mono/utils/mono-math.h>
  55 #include <mono/utils/mono-compiler.h>
  56 #include <mono/utils/mono-counters.h>
  57 #include <mono/utils/mono-error-internals.h>
  58 #include <mono/utils/mono-logger-internals.h>
  59 #include <mono/utils/mono-mmap.h>
  60 #include <mono/utils/mono-path.h>
  61 #include <mono/utils/mono-tls.h>
  62 #include <mono/utils/mono-hwcap.h>
  63 #include <mono/utils/dtrace.h>
  64 #include <mono/utils/mono-signal-handler.h>
  65 #include <mono/utils/mono-threads.h>
  66 #include <mono/utils/mono-threads-coop.h>
  67 #include <mono/utils/checked-build.h>
  68 #include <mono/metadata/w32handle.h>
  69 #include <mono/io-layer/io-layer.h>
  70
  71 #include "mini.h"
  72 #include "seq-points.h"
  73 #include "tasklets.h"
  74 #include <string.h>
  75 #include <ctype.h>
  76 #include "trace.h"
  77 #include "version.h"
  78
  79 #include "jit-icalls.h"
  80
  81 #include "mini-gc.h"
  82 #include "mini-llvm.h"
  83 #include "debugger-agent.h"
  84
  85 #ifdef MONO_ARCH_LLVM_SUPPORTED
  86 #ifdef ENABLE_LLVM
  87 #include "mini-llvm-cpp.h"
  88 #include "llvm-jit.h"
  89 #endif
  90 #endif
  91
  92 static guint32 default_opt = 0;
  93 static gboolean default_opt_set = FALSE;
  94
  95 gboolean mono_compile_aot = FALSE;
  96 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
  97 gboolean mono_aot_only = FALSE;
  98 /* Same as mono_aot_only, but only LLVM compiled code is used, no trampolines */
  99 gboolean mono_llvm_only = FALSE;
 100 MonoAotMode mono_aot_mode = MONO_AOT_MODE_NONE;
 101
 102 const char *mono_build_date;
 103 gboolean mono_do_signal_chaining;
 104 gboolean mono_do_crash_chaining;
 105 int mini_verbose = 0;
 106
 107 /*
 108  * This flag controls whenever the runtime uses LLVM for JIT compilation, and whenever
 109  * it can load AOT code compiled by LLVM.
 110  */
 111 gboolean mono_use_llvm = FALSE;
 112
 113 #define mono_jit_lock() mono_os_mutex_lock (&jit_mutex)
 114 #define mono_jit_unlock() mono_os_mutex_unlock (&jit_mutex)
 115 static mono_mutex_t jit_mutex;
 116
 117 static MonoCodeManager *global_codeman;
 118
 119 MonoDebugOptions debug_options;
 120
 121 #ifdef VALGRIND_JIT_REGISTER_MAP
 122 int valgrind_register;
 123 #endif
 124 GList* mono_aot_paths;
 125
 126 static GSList *tramp_infos;
 127
 128 static void register_icalls (void);
 129
 130 gboolean
 131 mono_running_on_valgrind (void)
 132 {
 133 #ifndef HOST_WIN32
 134         if (RUNNING_ON_VALGRIND){
 135 #ifdef VALGRIND_JIT_REGISTER_MAP
 136                 valgrind_register = TRUE;
 137 #endif
 138                 return TRUE;
 139         } else
 140 #endif
 141                 return FALSE;
 142 }
 143
 144 typedef struct {
 145         void *ip;
 146         MonoMethod *method;
 147 } FindTrampUserData;
 148
 149 static void
 150 find_tramp (gpointer key, gpointer value, gpointer user_data)
 151 {
 152         FindTrampUserData *ud = (FindTrampUserData*)user_data;
 153
 154         if (value == ud->ip)
 155                 ud->method = (MonoMethod*)key;
 156 }
 157
 158 /* debug function */
 159 G_GNUC_UNUSED static char*
 160 get_method_from_ip (void *ip)
 161 {
 162         MonoJitInfo *ji;
 163         MonoMethod *method;
 164         char *method_name;
 165         char *res;
 166         MonoDomain *domain = mono_domain_get ();
 167         MonoDebugSourceLocation *location;
 168         FindTrampUserData user_data;
 169
 170         if (!domain)
 171                 domain = mono_get_root_domain ();
 172
 173         ji = mono_jit_info_table_find_internal (domain, (char *)ip, TRUE, TRUE);
 174         if (!ji) {
 175                 user_data.ip = ip;
 176                 user_data.method = NULL;
 177                 mono_domain_lock (domain);
 178                 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
 179                 mono_domain_unlock (domain);
 180                 if (user_data.method) {
 181                         char *mname = mono_method_full_name (user_data.method, TRUE);
 182                         res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
 183                         g_free (mname);
 184                         return res;
 185                 }
 186                 else
 187                         return NULL;
 188         } else if (ji->is_trampoline) {
 189                 res = g_strdup_printf ("<%p - %s trampoline>", ip, ((MonoTrampInfo*)ji->d.tramp_info)->name);
 190                 return res;
 191         }
 192
 193         method = jinfo_get_method (ji);
 194         method_name = mono_method_full_name (method, TRUE);
 195         /* FIXME: unused ? */
 196         location = mono_debug_lookup_source_location (method, (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
 197
 198         res = g_strdup_printf (" %s {%p} + 0x%x (%p %p) [%p - %s]", method_name, method, (int)((char*)ip - (char*)ji->code_start), ji->code_start, (char*)ji->code_start + ji->code_size, domain, domain->friendly_name);
 199
 200         mono_debug_free_source_location (location);
 201         g_free (method_name);
 202
 203         return res;
 204 }
 205
 206 /**
 207  * mono_pmip:
 208  * @ip: an instruction pointer address
 209  *
 210  * This method is used from a debugger to get the name of the
 211  * method at address @ip.   This routine is typically invoked from
 212  * a debugger like this:
 213  *
 214  * (gdb) print mono_pmip ($pc)
 215  *
 216  * Returns: the name of the method at address @ip.
 217  */
 218 G_GNUC_UNUSED char *
 219 mono_pmip (void *ip)
 220 {
 221         return get_method_from_ip (ip);
 222 }
 223
 224 /**
 225  * mono_print_method_from_ip
 226  * @ip: an instruction pointer address
 227  *
 228  * This method is used from a debugger to get the name of the
 229  * method at address @ip.
 230  *
 231  * This prints the name of the method at address @ip in the standard
 232  * output.  Unlike mono_pmip which returns a string, this routine
 233  * prints the value on the standard output.
 234  */
 235 #ifdef __GNUC__
 236 /* Prevent the linker from optimizing this away in embedding setups to help debugging */
 237  __attribute__((used))
 238 #endif
 239 void
 240 mono_print_method_from_ip (void *ip)
 241 {
 242         MonoJitInfo *ji;
 243         char *method;
 244         MonoDebugSourceLocation *source;
 245         MonoDomain *domain = mono_domain_get ();
 246         MonoDomain *target_domain = mono_domain_get ();
 247         FindTrampUserData user_data;
 248         MonoGenericSharingContext*gsctx;
 249         const char *shared_type;
 250
 251         if (!domain)
 252                 domain = mono_get_root_domain ();
 253         ji = mini_jit_info_table_find_ext (domain, (char *)ip, TRUE, &target_domain);
 254         if (ji && ji->is_trampoline) {
 255                 MonoTrampInfo *tinfo = (MonoTrampInfo *)ji->d.tramp_info;
 256
 257                 printf ("IP %p is at offset 0x%x of trampoline '%s'.\n", ip, (int)((guint8*)ip - tinfo->code), tinfo->name);
 258                 return;
 259         }
 260
 261         if (!ji) {
 262                 user_data.ip = ip;
 263                 user_data.method = NULL;
 264                 mono_domain_lock (domain);
 265                 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
 266                 mono_domain_unlock (domain);
 267
 268                 if (user_data.method) {
 269                         char *mname = mono_method_full_name (user_data.method, TRUE);
 270                         printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
 271                         g_free (mname);
 272                         return;
 273                 }
 274
 275                 g_print ("No method at %p\n", ip);
 276                 fflush (stdout);
 277                 return;
 278         }
 279         method = mono_method_full_name (jinfo_get_method (ji), TRUE);
 280         source = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
 281
 282         gsctx = mono_jit_info_get_generic_sharing_context (ji);
 283         shared_type = "";
 284         if (gsctx) {
 285                 if (gsctx->is_gsharedvt)
 286                         shared_type = "gsharedvt ";
 287                 else
 288                         shared_type = "gshared ";
 289         }
 290
 291         g_print ("IP %p at offset 0x%x of %smethod %s (%p %p)[domain %p - %s]\n", ip, (int)((char*)ip - (char*)ji->code_start), shared_type, method, ji->code_start, (char*)ji->code_start + ji->code_size, target_domain, target_domain->friendly_name);
 292
 293         if (source)
 294                 g_print ("%s:%d\n", source->source_file, source->row);
 295         fflush (stdout);
 296
 297         mono_debug_free_source_location (source);
 298         g_free (method);
 299 }
 300
 301 /*
 302  * mono_method_same_domain:
 303  *
 304  * Determine whenever two compiled methods are in the same domain, thus
 305  * the address of the callee can be embedded in the caller.
 306  */
 307 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
 308 {
 309         MonoMethod *cmethod;
 310
 311         if (!caller || caller->is_trampoline || !callee || callee->is_trampoline)
 312                 return FALSE;
 313
 314         /*
 315          * If the call was made from domain-neutral to domain-specific
 316          * code, we can't patch the call site.
 317          */
 318         if (caller->domain_neutral && !callee->domain_neutral)
 319                 return FALSE;
 320
 321         cmethod = jinfo_get_method (caller);
 322         if ((cmethod->klass == mono_defaults.appdomain_class) &&
 323                 (strstr (cmethod->name, "InvokeInDomain"))) {
 324                  /* The InvokeInDomain methods change the current appdomain */
 325                 return FALSE;
 326         }
 327
 328         return TRUE;
 329 }
 330
 331 /*
 332  * mono_global_codeman_reserve:
 333  *
 334  *  Allocate code memory from the global code manager.
 335  */
 336 void *mono_global_codeman_reserve (int size)
 337 {
 338         void *ptr;
 339
 340         if (mono_aot_only)
 341                 g_error ("Attempting to allocate from the global code manager while running in aot-only mode.\n");
 342
 343         if (!global_codeman) {
 344                 /* This can happen during startup */
 345                 global_codeman = mono_code_manager_new ();
 346                 return mono_code_manager_reserve (global_codeman, size);
 347         }
 348         else {
 349                 mono_jit_lock ();
 350                 ptr = mono_code_manager_reserve (global_codeman, size);
 351                 mono_jit_unlock ();
 352                 return ptr;
 353         }
 354 }
 355
 356 #if defined(__native_client_codegen__) && defined(__native_client__)
 357 void
 358 mono_nacl_gc()
 359 {
 360 #ifdef __native_client_gc__
 361         __nacl_suspend_thread_if_needed();
 362 #endif
 363 }
 364 #endif /* __native_client__ */
 365
 366 /**
 367  * mono_create_unwind_op:
 368  *
 369  *   Create an unwind op with the given parameters.
 370  */
 371 MonoUnwindOp*
 372 mono_create_unwind_op (int when, int tag, int reg, int val)
 373 {
 374         MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
 375
 376         op->op = tag;
 377         op->reg = reg;
 378         op->val = val;
 379         op->when = when;
 380
 381         return op;
 382 }
 383
 384 MonoJumpInfoToken *
 385 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
 386 {
 387         MonoJumpInfoToken *res = (MonoJumpInfoToken *)mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
 388         res->image = image;
 389         res->token = token;
 390         res->has_context = context != NULL;
 391         if (context)
 392                 memcpy (&res->context, context, sizeof (MonoGenericContext));
 393
 394         return res;
 395 }
 396
 397 MonoJumpInfoToken *
 398 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
 399 {
 400         return mono_jump_info_token_new2 (mp, image, token, NULL);
 401 }
 402
 403 /*
 404  * mono_tramp_info_create:
 405  *
 406  *   Create a MonoTrampInfo structure from the arguments. This function assumes ownership
 407  * of JI, and UNWIND_OPS.
 408  */
 409 MonoTrampInfo*
 410 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
 411 {
 412         MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
 413
 414         info->name = g_strdup ((char*)name);
 415         info->code = code;
 416         info->code_size = code_size;
 417         info->ji = ji;
 418         info->unwind_ops = unwind_ops;
 419
 420         return info;
 421 }
 422
 423 void
 424 mono_tramp_info_free (MonoTrampInfo *info)
 425 {
 426         g_free (info->name);
 427
 428         // FIXME: ji
 429         mono_free_unwind_info (info->unwind_ops);
 430         g_free (info);
 431 }
 432
 433 static void
 434 register_trampoline_jit_info (MonoDomain *domain, MonoTrampInfo *info)
 435 {
 436         MonoJitInfo *ji;
 437
 438         ji = (MonoJitInfo *)mono_domain_alloc0 (domain, mono_jit_info_size ((MonoJitInfoFlags)0, 0, 0));
 439         mono_jit_info_init (ji, NULL, info->code, info->code_size, (MonoJitInfoFlags)0, 0, 0);
 440         ji->d.tramp_info = info;
 441         ji->is_trampoline = TRUE;
 442
 443         ji->unwind_info = mono_cache_unwind_info (info->uw_info, info->uw_info_len);
 444
 445         mono_jit_info_table_add (domain, ji);
 446 }
 447
 448 /*
 449  * mono_tramp_info_register:
 450  *
 451  * Remember INFO for use by xdebug, mono_print_method_from_ip (), jit maps, etc.
 452  * INFO can be NULL.
 453  * Frees INFO.
 454  */
 455 void
 456 mono_tramp_info_register (MonoTrampInfo *info, MonoDomain *domain)
 457 {
 458         MonoTrampInfo *copy;
 459
 460         if (!info)
 461                 return;
 462
 463         if (!domain)
 464                 domain = mono_get_root_domain ();
 465
 466         copy = g_new0 (MonoTrampInfo, 1);
 467         copy->code = info->code;
 468         copy->code_size = info->code_size;
 469         copy->name = g_strdup (info->name);
 470
 471         if (info->unwind_ops) {
 472                 copy->uw_info = mono_unwind_ops_encode (info->unwind_ops, &copy->uw_info_len);
 473         } else {
 474                 /* Trampolines from aot have the unwind ops already encoded */
 475                 copy->uw_info = info->uw_info;
 476                 copy->uw_info_len = info->uw_info_len;
 477         }
 478
 479         mono_jit_lock ();
 480         tramp_infos = g_slist_prepend (tramp_infos, copy);
 481         mono_jit_unlock ();
 482
 483         mono_save_trampoline_xdebug_info (info);
 484
 485         /* Only register trampolines that have unwind infos */
 486         if (mono_get_root_domain () && copy->uw_info)
 487                 register_trampoline_jit_info (domain, copy);
 488
 489         if (mono_jit_map_is_enabled ())
 490                 mono_emit_jit_tramp (info->code, info->code_size, info->name);
 491
 492         mono_tramp_info_free (info);
 493 }
 494
 495 static void
 496 mono_tramp_info_cleanup (void)
 497 {
 498         GSList *l;
 499
 500         for (l = tramp_infos; l; l = l->next) {
 501                 MonoTrampInfo *info = (MonoTrampInfo *)l->data;
 502
 503                 mono_tramp_info_free (info);
 504         }
 505         g_slist_free (tramp_infos);
 506 }
 507
 508 /* Register trampolines created before the root domain was created in the jit info tables */
 509 static void
 510 register_trampolines (MonoDomain *domain)
 511 {
 512         GSList *l;
 513
 514         for (l = tramp_infos; l; l = l->next) {
 515                 MonoTrampInfo *info = (MonoTrampInfo *)l->data;
 516
 517                 register_trampoline_jit_info (domain, info);
 518         }
 519 }
 520
 521 G_GNUC_UNUSED static void
 522 break_count (void)
 523 {
 524 }
 525
 526 /*
 527  * Runtime debugging tool, use if (debug_count ()) <x> else <y> to do <x> the first COUNT times, then do <y> afterwards.
 528  * Set a breakpoint in break_count () to break the last time <x> is done.
 529  */
 530 G_GNUC_UNUSED gboolean
 531 mono_debug_count (void)
 532 {
 533         static int count = 0;
 534         static gboolean inited;
 535         static const char *value;
 536
 537         count ++;
 538
 539         if (!inited) {
 540                 value = g_getenv ("COUNT");
 541                 inited = TRUE;
 542         }
 543
 544         if (!value)
 545                 return TRUE;
 546
 547         if (count == atoi (value))
 548                 break_count ();
 549
 550         if (count > atoi (value))
 551                 return FALSE;
 552
 553         return TRUE;
 554 }
 555
 556 gconstpointer
 557 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
 558 {
 559         MonoError error;
 560         char *name;
 561         MonoMethod *wrapper;
 562         gconstpointer trampoline;
 563         MonoDomain *domain = mono_get_root_domain ();
 564         gboolean check_exc = TRUE;
 565
 566         if (callinfo->wrapper)
 567                 return callinfo->wrapper;
 568
 569         if (callinfo->trampoline)
 570                 return callinfo->trampoline;
 571
 572         if (!strcmp (callinfo->name, "mono_thread_interruption_checkpoint"))
 573                 /* This icall is used to check for exceptions, so don't check in the wrapper */
 574                 check_exc = FALSE;
 575
 576         name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
 577         wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_exc);
 578         g_free (name);
 579
 580         if (do_compile) {
 581                 trampoline = mono_compile_method_checked (wrapper, &error);
 582                 mono_error_assert_ok (&error);
 583         } else {
 584
 585                 trampoline = mono_create_jit_trampoline (domain, wrapper, &error);
 586                 mono_error_assert_ok (&error);
 587                 trampoline = mono_create_ftnptr (domain, (gpointer)trampoline);
 588         }
 589
 590         mono_loader_lock ();
 591         if (!callinfo->trampoline) {
 592                 mono_register_jit_icall_wrapper (callinfo, trampoline);
 593                 callinfo->trampoline = trampoline;
 594         }
 595         mono_loader_unlock ();
 596
 597         return callinfo->trampoline;
 598 }
 599
 600 gconstpointer
 601 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
 602 {
 603         return mono_icall_get_wrapper_full (callinfo, FALSE);
 604 }
 605
 606 static MonoJitDynamicMethodInfo*
 607 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
 608 {
 609         MonoJitDynamicMethodInfo *res;
 610
 611         if (domain_jit_info (domain)->dynamic_code_hash)
 612                 res = (MonoJitDynamicMethodInfo *)g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
 613         else
 614                 res = NULL;
 615         return res;
 616 }
 617
 618 static void
 619 register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, const char *symbol, gboolean no_throw)
 620 {
 621 #ifndef DISABLE_JIT
 622         mini_register_opcode_emulation (opcode, name, sigstr, func, symbol, no_throw);
 623 #else
 624         MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
 625
 626         g_assert (!sig->hasthis);
 627         g_assert (sig->param_count < 3);
 628
 629         /* Opcode emulation functions are assumed to don't call mono_raise_exception () */
 630         mono_register_jit_icall_full (func, name, sig, no_throw, TRUE, symbol);
 631 #endif
 632 }
 633
 634 /*
 635  * For JIT icalls implemented in C.
 636  * NAME should be the same as the name of the C function whose address is FUNC.
 637  * If @avoid_wrapper is TRUE, no wrapper is generated. This is for perf critical icalls which
 638  * can't throw exceptions.
 639  */
 640 static void
 641 register_icall (gpointer func, const char *name, const char *sigstr, gboolean avoid_wrapper)
 642 {
 643         MonoMethodSignature *sig;
 644
 645         if (sigstr)
 646                 sig = mono_create_icall_signature (sigstr);
 647         else
 648                 sig = NULL;
 649
 650         mono_register_jit_icall_full (func, name, sig, avoid_wrapper, FALSE, avoid_wrapper ? name : NULL);
 651 }
 652
 653 static void
 654 register_icall_no_wrapper (gpointer func, const char *name, const char *sigstr)
 655 {
 656         MonoMethodSignature *sig;
 657
 658         if (sigstr)
 659                 sig = mono_create_icall_signature (sigstr);
 660         else
 661                 sig = NULL;
 662
 663         mono_register_jit_icall_full (func, name, sig, TRUE, FALSE, name);
 664 }
 665
 666 static void
 667 register_icall_with_wrapper (gpointer func, const char *name, const char *sigstr)
 668 {
 669         MonoMethodSignature *sig;
 670
 671         if (sigstr)
 672                 sig = mono_create_icall_signature (sigstr);
 673         else
 674                 sig = NULL;
 675
 676         mono_register_jit_icall_full (func, name, sig, FALSE, FALSE, NULL);
 677 }
 678
 679 static void
 680 register_dyn_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
 681 {
 682         MonoMethodSignature *sig;
 683
 684         if (sigstr)
 685                 sig = mono_create_icall_signature (sigstr);
 686         else
 687                 sig = NULL;
 688
 689         mono_register_jit_icall (func, name, sig, save);
 690 }
 691
 692 MonoLMF *
 693 mono_get_lmf (void)
 694 {
 695 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR) && defined(HAVE_GET_TLS_ADDR)
 696         return (MonoLMF *)mono_tls_get_lmf ();
 697 #else
 698         MonoJitTlsData *jit_tls;
 699
 700         if ((jit_tls = mono_tls_get_jit_tls ()))
 701                 return jit_tls->lmf;
 702         /*
 703          * We do not assert here because this function can be called from
 704          * mini-gc.c on a thread that has not executed any managed code, yet
 705          * (the thread object allocation can trigger a collection).
 706          */
 707         return NULL;
 708 #endif
 709 }
 710
 711 MonoLMF **
 712 mono_get_lmf_addr (void)
 713 {
 714         return (MonoLMF **)mono_tls_get_lmf_addr ();
 715 }
 716
 717 void
 718 mono_set_lmf (MonoLMF *lmf)
 719 {
 720 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR) && defined(HAVE_GET_TLS_ADDR)
 721         mono_tls_set_lmf (lmf);
 722 #else
 723         (*mono_get_lmf_addr ()) = lmf;
 724 #endif
 725 }
 726
 727 MonoJitTlsData*
 728 mono_get_jit_tls (void)
 729 {
 730         return (MonoJitTlsData *)mono_tls_get_jit_tls ();
 731 }
 732
 733 static void
 734 mono_set_jit_tls (MonoJitTlsData *jit_tls)
 735 {
 736         MonoThreadInfo *info;
 737
 738         mono_tls_set_jit_tls (jit_tls);
 739
 740         /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
 741         info = mono_thread_info_current ();
 742         if (info)
 743                 mono_thread_info_tls_set (info, TLS_KEY_JIT_TLS, jit_tls);
 744 }
 745
 746 static void
 747 mono_set_lmf_addr (gpointer lmf_addr)
 748 {
 749         MonoThreadInfo *info;
 750
 751         mono_tls_set_lmf_addr (lmf_addr);
 752
 753         /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
 754         info = mono_thread_info_current ();
 755         if (info)
 756                 mono_thread_info_tls_set (info, TLS_KEY_LMF_ADDR, lmf_addr);
 757 }
 758
 759 /*
 760  * mono_jit_thread_attach:
 761  *
 762  * Called by Xamarin.Mac and other products. Attach thread to runtime if
 763  * needed and switch to @domain.
 764  *
 765  * @return the original domain which needs to be restored, or NULL.
 766  */
 767 MonoDomain*
 768 mono_jit_thread_attach (MonoDomain *domain)
 769 {
 770         MonoDomain *orig;
 771         gboolean attached;
 772
 773         g_assert (!mono_threads_is_coop_enabled ());
 774
 775         if (!domain) {
 776                 /* Happens when called from AOTed code which is only used in the root domain. */
 777                 domain = mono_get_root_domain ();
 778         }
 779
 780         g_assert (domain);
 781
 782         attached = mono_tls_get_jit_tls () != NULL;
 783
 784         if (!attached) {
 785                 mono_thread_attach (domain);
 786
 787                 // #678164
 788                 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
 789         }
 790
 791         orig = mono_domain_get ();
 792         if (orig != domain)
 793                 mono_domain_set (domain, TRUE);
 794
 795         return orig != domain ? orig : NULL;
 796 }
 797
 798 /*
 799  * mono_jit_set_domain:
 800  *
 801  * Set domain to @domain if @domain is not null
 802  */
 803 void
 804 mono_jit_set_domain (MonoDomain *domain)
 805 {
 806         g_assert (!mono_threads_is_coop_enabled ());
 807
 808         if (domain)
 809                 mono_domain_set (domain, TRUE);
 810 }
 811
 812 /**
 813  * mono_thread_abort:
 814  * @obj: exception object
 815  *
 816  * abort the thread, print exception information and stack trace
 817  */
 818 static void
 819 mono_thread_abort (MonoObject *obj)
 820 {
 821         /* MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id); */
 822
 823         /* handle_remove should be eventually called for this thread, too
 824         g_free (jit_tls);*/
 825
 826         if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
 827                         (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
 828                 mono_thread_exit ();
 829         } else {
 830                 mono_invoke_unhandled_exception_hook (obj);
 831         }
 832 }
 833
 834 static void*
 835 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
 836 {
 837         MonoJitTlsData *jit_tls;
 838         MonoLMF *lmf;
 839
 840         jit_tls = (MonoJitTlsData *)mono_tls_get_jit_tls ();
 841         if (jit_tls)
 842                 return jit_tls;
 843
 844         jit_tls = g_new0 (MonoJitTlsData, 1);
 845
 846         jit_tls->abort_func = (void (*)(MonoObject *))abort_func;
 847         jit_tls->end_of_stack = stack_start;
 848
 849         mono_set_jit_tls (jit_tls);
 850
 851         lmf = g_new0 (MonoLMF, 1);
 852         MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
 853
 854         jit_tls->first_lmf = lmf;
 855
 856         /*
 857          * We can have 2 configurations for accessing lmf.
 858          * We can use only the tls_lmf_addr variable, which will store the address of
 859          * jit_tls->lmf, or, if we have MONO_ARCH_ENABLE_MONO_LMF_VAR enabled, we can
 860          * use both tls_lmf_addr and tls_lmf variables (in this case we need to have
 861          * means of getting the address of a tls variable; this can be done always
 862          * when using __thread or, on osx, even when using pthread)
 863          */
 864 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR) && defined(HAVE_GET_TLS_ADDR)
 865         /* jit_tls->lmf is unused */
 866         mono_tls_set_lmf (lmf);
 867         mono_set_lmf_addr (mono_tls_get_tls_addr (TLS_KEY_LMF));
 868 #else
 869         mono_set_lmf_addr (&jit_tls->lmf);
 870
 871         jit_tls->lmf = lmf;
 872 #endif
 873
 874 #ifdef MONO_ARCH_HAVE_TLS_INIT
 875         mono_arch_tls_init ();
 876 #endif
 877
 878         mono_setup_altstack (jit_tls);
 879
 880         return jit_tls;
 881 }
 882
 883 static void
 884 free_jit_tls_data (MonoJitTlsData *jit_tls)
 885 {
 886         mono_arch_free_jit_tls_data (jit_tls);
 887         mono_free_altstack (jit_tls);
 888
 889         g_free (jit_tls->first_lmf);
 890         g_free (jit_tls);
 891 }
 892
 893 static void
 894 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
 895 {
 896         MonoThreadInfo *thread;
 897         void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
 898         thread = mono_thread_info_current_unchecked ();
 899         if (thread)
 900                 thread->jit_data = jit_tls;
 901
 902         mono_arch_cpu_init ();
 903 }
 904
 905 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
 906
 907 static void
 908 mono_thread_abort_dummy (MonoObject *obj)
 909 {
 910   if (mono_thread_attach_aborted_cb)
 911     mono_thread_attach_aborted_cb (obj);
 912   else
 913     mono_thread_abort (obj);
 914 }
 915
 916 static void
 917 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
 918 {
 919         MonoThreadInfo *thread;
 920         void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
 921         thread = mono_thread_info_current_unchecked ();
 922         if (thread)
 923                 thread->jit_data = jit_tls;
 924
 925         mono_arch_cpu_init ();
 926 }
 927
 928 static void
 929 mini_thread_cleanup (MonoNativeThreadId tid)
 930 {
 931         MonoJitTlsData *jit_tls = NULL;
 932         MonoThreadInfo *info;
 933
 934         info = mono_thread_info_current_unchecked ();
 935
 936         /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
 937          * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
 938          * not a trivial thing.
 939          *
 940          * The current offender is mono_thread_manage which cleanup threads from the outside.
 941          */
 942         if (info && mono_thread_info_get_tid (info) == tid) {
 943                 jit_tls = (MonoJitTlsData *)info->jit_data;
 944                 info->jit_data = NULL;
 945
 946                 mono_set_jit_tls (NULL);
 947
 948                 /* If we attach a thread but never call into managed land, we might never get an lmf.*/
 949                 if (mono_get_lmf ()) {
 950                         mono_set_lmf (NULL);
 951                         mono_set_lmf_addr (NULL);
 952                 }
 953         } else {
 954                 info = mono_thread_info_lookup (tid);
 955                 if (info) {
 956                         jit_tls = (MonoJitTlsData *)info->jit_data;
 957                         info->jit_data = NULL;
 958                 }
 959                 mono_hazard_pointer_clear (mono_hazard_pointer_get (), 1);
 960         }
 961
 962         if (jit_tls)
 963                 free_jit_tls_data (jit_tls);
 964 }
 965
 966 MonoJumpInfo *
 967 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
 968 {
 969         MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
 970
 971         ji->ip.i = ip;
 972         ji->type = type;
 973         ji->data.target = target;
 974         ji->next = list;
 975
 976         return ji;
 977 }
 978
 979 #if !defined(DISABLE_LOGGING) && !defined(DISABLE_JIT)
 980
 981 static const char* const patch_info_str[] = {
 982 #define PATCH_INFO(a,b) "" #a,
 983 #include "patch-info.h"
 984 #undef PATCH_INFO
 985 };
 986
 987 const char*
 988 mono_ji_type_to_string (MonoJumpInfoType type)
 989 {
 990         return patch_info_str [type];
 991 }
 992
 993 void
 994 mono_print_ji (const MonoJumpInfo *ji)
 995 {
 996         switch (ji->type) {
 997         case MONO_PATCH_INFO_RGCTX_FETCH: {
 998                 MonoJumpInfoRgctxEntry *entry = ji->data.rgctx_entry;
 999
1000                 printf ("[RGCTX_FETCH ");
1001                 mono_print_ji (entry->data);
1002                 printf (" - %s]", mono_rgctx_info_type_to_str (entry->info_type));
1003                 break;
1004         }
1005         case MONO_PATCH_INFO_METHODCONST: {
1006                 char *s = mono_method_full_name (ji->data.method, TRUE);
1007                 printf ("[METHODCONST - %s]", s);
1008                 g_free (s);
1009                 break;
1010         }
1011         case MONO_PATCH_INFO_INTERNAL_METHOD: {
1012                 printf ("[INTERNAL_METHOD - %s]", ji->data.name);
1013                 break;
1014         }
1015         default:
1016                 printf ("[%s]", patch_info_str [ji->type]);
1017                 break;
1018         }
1019 }
1020
1021 #else
1022
1023 const char*
1024 mono_ji_type_to_string (MonoJumpInfoType type)
1025 {
1026         return "";
1027 }
1028
1029 void
1030 mono_print_ji (const MonoJumpInfo *ji)
1031 {
1032 }
1033
1034 #endif
1035
1036 /**
1037  * mono_patch_info_dup_mp:
1038  *
1039  * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
1040  */
1041 MonoJumpInfo*
1042 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
1043 {
1044         MonoJumpInfo *res = (MonoJumpInfo *)mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
1045         memcpy (res, patch_info, sizeof (MonoJumpInfo));
1046
1047         switch (patch_info->type) {
1048         case MONO_PATCH_INFO_RVA:
1049         case MONO_PATCH_INFO_LDSTR:
1050         case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
1051         case MONO_PATCH_INFO_LDTOKEN:
1052         case MONO_PATCH_INFO_DECLSEC:
1053                 res->data.token = (MonoJumpInfoToken *)mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
1054                 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
1055                 break;
1056         case MONO_PATCH_INFO_SWITCH:
1057                 res->data.table = (MonoJumpInfoBBTable *)mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
1058                 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
1059                 res->data.table->table = (MonoBasicBlock **)mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
1060                 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
1061                 break;
1062         case MONO_PATCH_INFO_RGCTX_FETCH:
1063         case MONO_PATCH_INFO_RGCTX_SLOT_INDEX:
1064                 res->data.rgctx_entry = (MonoJumpInfoRgctxEntry *)mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
1065                 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
1066                 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
1067                 break;
1068         case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
1069                 res->data.del_tramp = (MonoDelegateClassMethodPair *)mono_mempool_alloc0 (mp, sizeof (MonoDelegateClassMethodPair));
1070                 memcpy (res->data.del_tramp, patch_info->data.del_tramp, sizeof (MonoDelegateClassMethodPair));
1071                 break;
1072         case MONO_PATCH_INFO_GSHAREDVT_CALL:
1073                 res->data.gsharedvt = (MonoJumpInfoGSharedVtCall *)mono_mempool_alloc (mp, sizeof (MonoJumpInfoGSharedVtCall));
1074                 memcpy (res->data.gsharedvt, patch_info->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
1075                 break;
1076         case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
1077                 MonoGSharedVtMethodInfo *info;
1078                 MonoGSharedVtMethodInfo *oinfo;
1079                 int i;
1080
1081                 oinfo = patch_info->data.gsharedvt_method;
1082                 info = (MonoGSharedVtMethodInfo *)mono_mempool_alloc (mp, sizeof (MonoGSharedVtMethodInfo));
1083                 res->data.gsharedvt_method = info;
1084                 memcpy (info, oinfo, sizeof (MonoGSharedVtMethodInfo));
1085                 info->entries = (MonoRuntimeGenericContextInfoTemplate *)mono_mempool_alloc (mp, sizeof (MonoRuntimeGenericContextInfoTemplate) * info->count_entries);
1086                 for (i = 0; i < oinfo->num_entries; ++i) {
1087                         MonoRuntimeGenericContextInfoTemplate *otemplate = &oinfo->entries [i];
1088                         MonoRuntimeGenericContextInfoTemplate *template_ = &info->entries [i];
1089
1090                         memcpy (template_, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
1091                 }
1092                 //info->locals_types = mono_mempool_alloc0 (mp, info->nlocals * sizeof (MonoType*));
1093                 //memcpy (info->locals_types, oinfo->locals_types, info->nlocals * sizeof (MonoType*));
1094                 break;
1095         }
1096         case MONO_PATCH_INFO_VIRT_METHOD: {
1097                 MonoJumpInfoVirtMethod *info;
1098                 MonoJumpInfoVirtMethod *oinfo;
1099
1100                 oinfo = patch_info->data.virt_method;
1101                 info = (MonoJumpInfoVirtMethod *)mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoVirtMethod));
1102                 res->data.virt_method = info;
1103                 memcpy (info, oinfo, sizeof (MonoJumpInfoVirtMethod));
1104                 break;
1105         }
1106         default:
1107                 break;
1108         }
1109
1110         return res;
1111 }
1112
1113 guint
1114 mono_patch_info_hash (gconstpointer data)
1115 {
1116         const MonoJumpInfo *ji = (MonoJumpInfo*)data;
1117
1118         switch (ji->type) {
1119         case MONO_PATCH_INFO_RVA:
1120         case MONO_PATCH_INFO_LDSTR:
1121         case MONO_PATCH_INFO_LDTOKEN:
1122         case MONO_PATCH_INFO_DECLSEC:
1123                 return (ji->type << 8) | ji->data.token->token;
1124         case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
1125                 return (ji->type << 8) | ji->data.token->token | (ji->data.token->has_context ? (gsize)ji->data.token->context.class_inst : 0);
1126         case MONO_PATCH_INFO_INTERNAL_METHOD:
1127                 return (ji->type << 8) | g_str_hash (ji->data.name);
1128         case MONO_PATCH_INFO_VTABLE:
1129         case MONO_PATCH_INFO_CLASS:
1130         case MONO_PATCH_INFO_IID:
1131         case MONO_PATCH_INFO_ADJUSTED_IID:
1132         case MONO_PATCH_INFO_METHODCONST:
1133         case MONO_PATCH_INFO_METHOD:
1134         case MONO_PATCH_INFO_METHOD_JUMP:
1135         case MONO_PATCH_INFO_IMAGE:
1136         case MONO_PATCH_INFO_ICALL_ADDR:
1137         case MONO_PATCH_INFO_ICALL_ADDR_CALL:
1138         case MONO_PATCH_INFO_FIELD:
1139         case MONO_PATCH_INFO_SFLDA:
1140         case MONO_PATCH_INFO_SEQ_POINT_INFO:
1141         case MONO_PATCH_INFO_METHOD_RGCTX:
1142         case MONO_PATCH_INFO_SIGNATURE:
1143         case MONO_PATCH_INFO_METHOD_CODE_SLOT:
1144         case MONO_PATCH_INFO_AOT_JIT_INFO:
1145         case MONO_PATCH_INFO_GET_TLS_TRAMP:
1146         case MONO_PATCH_INFO_SET_TLS_TRAMP:
1147                 return (ji->type << 8) | (gssize)ji->data.target;
1148         case MONO_PATCH_INFO_GSHAREDVT_CALL:
1149                 return (ji->type << 8) | (gssize)ji->data.gsharedvt->method;
1150         case MONO_PATCH_INFO_RGCTX_FETCH:
1151         case MONO_PATCH_INFO_RGCTX_SLOT_INDEX: {
1152                 MonoJumpInfoRgctxEntry *e = ji->data.rgctx_entry;
1153
1154                 return (ji->type << 8) | (gssize)e->method | (e->in_mrgctx) | e->info_type | mono_patch_info_hash (e->data);
1155         }
1156         case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
1157         case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR:
1158         case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
1159         case MONO_PATCH_INFO_GC_NURSERY_START:
1160         case MONO_PATCH_INFO_GC_NURSERY_BITS:
1161         case MONO_PATCH_INFO_GOT_OFFSET:
1162         case MONO_PATCH_INFO_GC_SAFE_POINT_FLAG:
1163         case MONO_PATCH_INFO_AOT_MODULE:
1164         case MONO_PATCH_INFO_JIT_THREAD_ATTACH:
1165                 return (ji->type << 8);
1166         case MONO_PATCH_INFO_CASTCLASS_CACHE:
1167                 return (ji->type << 8) | (ji->data.index);
1168         case MONO_PATCH_INFO_SWITCH:
1169                 return (ji->type << 8) | ji->data.table->table_size;
1170         case MONO_PATCH_INFO_GSHAREDVT_METHOD:
1171                 return (ji->type << 8) | (gssize)ji->data.gsharedvt_method->method;
1172         case MONO_PATCH_INFO_OBJC_SELECTOR_REF:
1173                 /* Hash on the selector name */
1174                 return g_str_hash (ji->data.target);
1175         case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
1176                 return (ji->type << 8) | (gsize)ji->data.del_tramp->klass | (gsize)ji->data.del_tramp->method | (gsize)ji->data.del_tramp->is_virtual;
1177         case MONO_PATCH_INFO_LDSTR_LIT:
1178                 return g_str_hash (ji->data.target);
1179         case MONO_PATCH_INFO_VIRT_METHOD: {
1180                 MonoJumpInfoVirtMethod *info = ji->data.virt_method;
1181
1182                 return (ji->type << 8) | (gssize)info->klass | (gssize)info->method;
1183         }
1184         case MONO_PATCH_INFO_JIT_ICALL_ADDR:
1185                 return (ji->type << 8) | g_str_hash (ji->data.target);
1186         case MONO_PATCH_INFO_GSHAREDVT_IN_WRAPPER:
1187                 return (ji->type << 8) | mono_signature_hash (ji->data.sig);
1188         default:
1189                 printf ("info type: %d\n", ji->type);
1190                 mono_print_ji (ji); printf ("\n");
1191                 g_assert_not_reached ();
1192                 return 0;
1193         }
1194 }
1195
1196 /*
1197  * mono_patch_info_equal:
1198  *
1199  * This might fail to recognize equivalent patches, i.e. floats, so its only
1200  * usable in those cases where this is not a problem, i.e. sharing GOT slots
1201  * in AOT.
1202  */
1203 gint
1204 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
1205 {
1206         const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
1207         const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
1208
1209         if (ji1->type != ji2->type)
1210                 return 0;
1211
1212         switch (ji1->type) {
1213         case MONO_PATCH_INFO_RVA:
1214         case MONO_PATCH_INFO_LDSTR:
1215         case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
1216         case MONO_PATCH_INFO_LDTOKEN:
1217         case MONO_PATCH_INFO_DECLSEC:
1218                 if ((ji1->data.token->image != ji2->data.token->image) ||
1219                         (ji1->data.token->token != ji2->data.token->token) ||
1220                         (ji1->data.token->has_context != ji2->data.token->has_context) ||
1221                         (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
1222                         (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
1223                         return 0;
1224                 break;
1225         case MONO_PATCH_INFO_INTERNAL_METHOD:
1226                 return g_str_equal (ji1->data.name, ji2->data.name);
1227         case MONO_PATCH_INFO_RGCTX_FETCH:
1228         case MONO_PATCH_INFO_RGCTX_SLOT_INDEX: {
1229                 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
1230                 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
1231
1232                 return e1->method == e2->method && e1->in_mrgctx == e2->in_mrgctx && e1->info_type == e2->info_type && mono_patch_info_equal (e1->data, e2->data);
1233         }
1234         case MONO_PATCH_INFO_GSHAREDVT_CALL: {
1235                 MonoJumpInfoGSharedVtCall *c1 = ji1->data.gsharedvt;
1236                 MonoJumpInfoGSharedVtCall *c2 = ji2->data.gsharedvt;
1237
1238                 return c1->sig == c2->sig && c1->method == c2->method;
1239         }
1240         case MONO_PATCH_INFO_GSHAREDVT_METHOD:
1241                 return ji1->data.gsharedvt_method->method == ji2->data.gsharedvt_method->method;
1242         case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
1243                 return ji1->data.del_tramp->klass == ji2->data.del_tramp->klass && ji1->data.del_tramp->method == ji2->data.del_tramp->method && ji1->data.del_tramp->is_virtual == ji2->data.del_tramp->is_virtual;
1244         case MONO_PATCH_INFO_CASTCLASS_CACHE:
1245                 return ji1->data.index == ji2->data.index;
1246         case MONO_PATCH_INFO_VIRT_METHOD:
1247                 return ji1->data.virt_method->klass == ji2->data.virt_method->klass && ji1->data.virt_method->method == ji2->data.virt_method->method;
1248         case MONO_PATCH_INFO_JIT_ICALL_ADDR:
1249                 if (ji1->data.target == ji2->data.target)
1250                         return 1;
1251                 return strcmp (ji1->data.target, ji2->data.target) == 0 ? 1 : 0;
1252         case MONO_PATCH_INFO_GSHAREDVT_IN_WRAPPER:
1253                 return mono_metadata_signature_equal (ji1->data.sig, ji2->data.sig) ? 1 : 0;
1254         default:
1255                 if (ji1->data.target != ji2->data.target)
1256                         return 0;
1257                 break;
1258         }
1259
1260         return 1;
1261 }
1262
1263 gpointer
1264 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors, MonoError *error)
1265 {
1266         unsigned char *ip = patch_info->ip.i + code;
1267         gconstpointer target = NULL;
1268
1269         mono_error_init (error);
1270
1271         switch (patch_info->type) {
1272         case MONO_PATCH_INFO_BB:
1273                 /*
1274                  * FIXME: This could be hit for methods without a prolog. Should use -1
1275                  * but too much code depends on a 0 initial value.
1276                  */
1277                 //g_assert (patch_info->data.bb->native_offset);
1278                 target = patch_info->data.bb->native_offset + code;
1279                 break;
1280         case MONO_PATCH_INFO_ABS:
1281                 target = patch_info->data.target;
1282                 break;
1283         case MONO_PATCH_INFO_LABEL:
1284                 target = patch_info->data.inst->inst_c0 + code;
1285                 break;
1286         case MONO_PATCH_INFO_IP:
1287                 target = ip;
1288                 break;
1289         case MONO_PATCH_INFO_METHOD_REL:
1290                 target = code + patch_info->data.offset;
1291                 break;
1292         case MONO_PATCH_INFO_INTERNAL_METHOD: {
1293                 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
1294                 if (!mi) {
1295                         g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
1296                         g_assert_not_reached ();
1297                 }
1298                 target = mono_icall_get_wrapper (mi);
1299                 break;
1300         }
1301         case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
1302                 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
1303                 if (!mi) {
1304                         g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
1305                         g_assert_not_reached ();
1306                 }
1307                 target = mi->func;
1308                 break;
1309         }
1310         case MONO_PATCH_INFO_METHOD_JUMP:
1311                 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE, error);
1312                 if (!mono_error_ok (error))
1313                         return NULL;
1314                 break;
1315         case MONO_PATCH_INFO_METHOD:
1316                 if (patch_info->data.method == method) {
1317                         target = code;
1318                 } else {
1319                         /* get the trampoline to the method from the domain */
1320                         target = mono_create_jit_trampoline (domain, patch_info->data.method, error);
1321                         if (!mono_error_ok (error))
1322                                 return NULL;
1323                 }
1324                 break;
1325         case MONO_PATCH_INFO_METHOD_CODE_SLOT: {
1326                 gpointer code_slot;
1327
1328                 mono_domain_lock (domain);
1329                 if (!domain_jit_info (domain)->method_code_hash)
1330                         domain_jit_info (domain)->method_code_hash = g_hash_table_new (NULL, NULL);
1331                 code_slot = g_hash_table_lookup (domain_jit_info (domain)->method_code_hash, patch_info->data.method);
1332                 if (!code_slot) {
1333                         code_slot = mono_domain_alloc0 (domain, sizeof (gpointer));
1334                         g_hash_table_insert (domain_jit_info (domain)->method_code_hash, patch_info->data.method, code_slot);
1335                 }
1336                 mono_domain_unlock (domain);
1337                 target = code_slot;
1338                 break;
1339         }
1340         case MONO_PATCH_INFO_GC_SAFE_POINT_FLAG:
1341 #if defined(__native_client_codegen__)
1342                 target = (gpointer)&__nacl_thread_suspension_needed;
1343 #else
1344                 g_assert (mono_threads_is_coop_enabled ());
1345                 target = (gpointer)&mono_polling_required;
1346 #endif
1347                 break;
1348         case MONO_PATCH_INFO_SWITCH: {
1349                 gpointer *jump_table;
1350                 int i;
1351 #if defined(__native_client__) && defined(__native_client_codegen__)
1352                 /* This memory will leak, but we don't care if we're */
1353                 /* not deleting JIT'd methods anyway                 */
1354                 jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
1355 #else
1356                 if (method && method->dynamic) {
1357                         jump_table = (void **)mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
1358                 } else {
1359                         if (mono_aot_only) {
1360                                 jump_table = (void **)mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
1361                         } else {
1362                                 jump_table = (void **)mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
1363                         }
1364                 }
1365 #endif
1366
1367                 for (i = 0; i < patch_info->data.table->table_size; i++) {
1368                         jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
1369                 }
1370
1371                 target = jump_table;
1372                 break;
1373         }
1374         case MONO_PATCH_INFO_METHODCONST:
1375         case MONO_PATCH_INFO_CLASS:
1376         case MONO_PATCH_INFO_IMAGE:
1377         case MONO_PATCH_INFO_FIELD:
1378         case MONO_PATCH_INFO_SIGNATURE:
1379         case MONO_PATCH_INFO_AOT_MODULE:
1380                 target = patch_info->data.target;
1381                 break;
1382         case MONO_PATCH_INFO_IID:
1383                 mono_class_init (patch_info->data.klass);
1384                 target = GUINT_TO_POINTER (patch_info->data.klass->interface_id);
1385                 break;
1386         case MONO_PATCH_INFO_ADJUSTED_IID:
1387                 mono_class_init (patch_info->data.klass);
1388                 target = GUINT_TO_POINTER ((guint32)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
1389                 break;
1390         case MONO_PATCH_INFO_VTABLE:
1391                 target = mono_class_vtable (domain, patch_info->data.klass);
1392                 g_assert (target);
1393                 break;
1394         case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE: {
1395                 MonoDelegateClassMethodPair *del_tramp = patch_info->data.del_tramp;
1396
1397                 if (del_tramp->is_virtual)
1398                         target = mono_create_delegate_virtual_trampoline (domain, del_tramp->klass, del_tramp->method);
1399                 else
1400                         target = mono_create_delegate_trampoline_info (domain, del_tramp->klass, del_tramp->method);
1401                 break;
1402         }
1403         case MONO_PATCH_INFO_SFLDA: {
1404                 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
1405
1406                 if (mono_class_field_is_special_static (patch_info->data.field)) {
1407                         gpointer addr = NULL;
1408
1409                         mono_domain_lock (domain);
1410                         if (domain->special_static_fields)
1411                                 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
1412                         mono_domain_unlock (domain);
1413                         g_assert (addr);
1414                         return addr;
1415                 }
1416
1417                 g_assert (vtable);
1418                 if (!vtable->initialized && !mono_class_is_before_field_init (vtable->klass) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
1419                         /* Done by the generated code */
1420                         ;
1421                 else {
1422                         if (run_cctors) {
1423                                 if (!mono_runtime_class_init_full (vtable, error)) {
1424                                         return NULL;
1425                                 }
1426                         }
1427                 }
1428                 target = (char*)mono_vtable_get_static_field_data (vtable) + patch_info->data.field->offset;
1429                 break;
1430         }
1431         case MONO_PATCH_INFO_RVA: {
1432                 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
1433                 guint32 rva;
1434
1435                 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
1436                 target = mono_image_rva_map (patch_info->data.token->image, rva);
1437                 break;
1438         }
1439         case MONO_PATCH_INFO_R4:
1440         case MONO_PATCH_INFO_R8:
1441                 target = patch_info->data.target;
1442                 break;
1443         case MONO_PATCH_INFO_EXC_NAME:
1444                 target = patch_info->data.name;
1445                 break;
1446         case MONO_PATCH_INFO_LDSTR:
1447                 target =
1448                         mono_ldstr_checked (domain, patch_info->data.token->image,
1449                                             mono_metadata_token_index (patch_info->data.token->token), error);
1450                 break;
1451         case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
1452                 gpointer handle;
1453                 MonoClass *handle_class;
1454
1455                 handle = mono_ldtoken_checked (patch_info->data.token->image,
1456                                                            patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL, error);
1457                 if (!mono_error_ok (error))
1458                         return NULL;
1459                 mono_class_init (handle_class);
1460                 mono_class_init (mono_class_from_mono_type ((MonoType *)handle));
1461
1462                 target = mono_type_get_object_checked (domain, (MonoType *)handle, error);
1463                 if (!mono_error_ok (error))
1464                         return NULL;
1465                 break;
1466         }
1467         case MONO_PATCH_INFO_LDTOKEN: {
1468                 gpointer handle;
1469                 MonoClass *handle_class;
1470
1471                 handle = mono_ldtoken_checked (patch_info->data.token->image,
1472                                                            patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL, error);
1473                 if (!mono_error_ok (error))
1474                         g_error ("Could not patch ldtoken due to %s", mono_error_get_message (error));
1475                 mono_class_init (handle_class);
1476
1477                 target = handle;
1478                 break;
1479         }
1480         case MONO_PATCH_INFO_DECLSEC:
1481                 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
1482                 break;
1483         case MONO_PATCH_INFO_ICALL_ADDR:
1484         case MONO_PATCH_INFO_ICALL_ADDR_CALL:
1485                 /* run_cctors == 0 -> AOT */
1486                 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
1487                         const char *exc_class;
1488                         const char *exc_arg;
1489
1490                         if (run_cctors) {
1491                                 target = mono_lookup_pinvoke_call (patch_info->data.method, &exc_class, &exc_arg);
1492                                 if (!target) {
1493                                         if (mono_aot_only) {
1494                                                 mono_error_set_exception_instance (error, mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
1495                                                 return NULL;
1496                                         }
1497                                         g_error ("Unable to resolve pinvoke method '%s' Re-run with MONO_LOG_LEVEL=debug for more information.\n", mono_method_full_name (patch_info->data.method, TRUE));
1498                                 }
1499                         } else {
1500                                 target = NULL;
1501                         }
1502                 } else {
1503                         target = mono_lookup_internal_call (patch_info->data.method);
1504
1505                         if (!target && run_cctors)
1506                                 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
1507                 }
1508                 break;
1509         case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
1510                 target = mono_thread_interruption_request_flag ();
1511                 break;
1512         case MONO_PATCH_INFO_METHOD_RGCTX: {
1513                 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
1514                 g_assert (vtable);
1515
1516                 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
1517                 break;
1518         }
1519         case MONO_PATCH_INFO_RGCTX_SLOT_INDEX: {
1520                 int slot = mini_get_rgctx_entry_slot (patch_info->data.rgctx_entry);
1521
1522                 target = GINT_TO_POINTER (MONO_RGCTX_SLOT_INDEX (slot));
1523                 break;
1524         }
1525         case MONO_PATCH_INFO_BB_OVF:
1526         case MONO_PATCH_INFO_EXC_OVF:
1527         case MONO_PATCH_INFO_GOT_OFFSET:
1528         case MONO_PATCH_INFO_NONE:
1529                 break;
1530         case MONO_PATCH_INFO_RGCTX_FETCH: {
1531                 int slot = mini_get_rgctx_entry_slot (patch_info->data.rgctx_entry);
1532
1533                 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
1534                 break;
1535         }
1536 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
1537         case MONO_PATCH_INFO_SEQ_POINT_INFO:
1538                 if (!run_cctors)
1539                         /* AOT, not needed */
1540                         target = NULL;
1541                 else
1542                         target = mono_arch_get_seq_point_info (domain, code);
1543                 break;
1544 #endif
1545         case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
1546                 int card_table_shift_bits;
1547                 gpointer card_table_mask;
1548
1549                 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
1550                 break;
1551         }
1552         case MONO_PATCH_INFO_GC_NURSERY_START: {
1553                 int shift_bits;
1554                 size_t size;
1555
1556                 target = mono_gc_get_nursery (&shift_bits, &size);
1557                 break;
1558         }
1559         case MONO_PATCH_INFO_GC_NURSERY_BITS: {
1560                 int shift_bits;
1561                 size_t size;
1562
1563                 mono_gc_get_nursery (&shift_bits, &size);
1564
1565                 target = (gpointer)(mgreg_t)shift_bits;
1566                 break;
1567         }
1568         case MONO_PATCH_INFO_CASTCLASS_CACHE: {
1569                 target = mono_domain_alloc0 (domain, sizeof (gpointer));
1570                 break;
1571         }
1572         case MONO_PATCH_INFO_OBJC_SELECTOR_REF: {
1573                 target = NULL;
1574                 break;
1575         }
1576         case MONO_PATCH_INFO_LDSTR_LIT: {
1577                 int len;
1578                 char *s;
1579
1580                 len = strlen ((const char *)patch_info->data.target);
1581                 s = (char *)mono_domain_alloc0 (domain, len + 1);
1582                 memcpy (s, patch_info->data.target, len);
1583                 target = s;
1584
1585                 break;
1586         }
1587         case MONO_PATCH_INFO_GSHAREDVT_IN_WRAPPER:
1588                 target = mini_get_gsharedvt_wrapper (TRUE, NULL, patch_info->data.sig, NULL, -1, FALSE);
1589                 break;
1590         case MONO_PATCH_INFO_GET_TLS_TRAMP:
1591                 target = mono_tls_get_tls_getter (patch_info->data.index, FALSE);
1592                 break;
1593         case MONO_PATCH_INFO_SET_TLS_TRAMP:
1594                 target = mono_tls_get_tls_setter (patch_info->data.index, FALSE);
1595                 break;
1596         case MONO_PATCH_INFO_JIT_THREAD_ATTACH: {
1597                 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_jit_thread_attach");
1598                 g_assert (mi);
1599                 target = mi->func;
1600                 break;
1601         }
1602         default:
1603                 g_assert_not_reached ();
1604         }
1605
1606         return (gpointer)target;
1607 }
1608
1609 void
1610 mini_init_gsctx (MonoDomain *domain, MonoMemPool *mp, MonoGenericContext *context, MonoGenericSharingContext *gsctx)
1611 {
1612         MonoGenericInst *inst;
1613         int i;
1614
1615         memset (gsctx, 0, sizeof (MonoGenericSharingContext));
1616
1617         if (context && context->class_inst) {
1618                 inst = context->class_inst;
1619                 for (i = 0; i < inst->type_argc; ++i) {
1620                         MonoType *type = inst->type_argv [i];
1621
1622                         if (mini_is_gsharedvt_gparam (type))
1623                                 gsctx->is_gsharedvt = TRUE;
1624                 }
1625         }
1626         if (context && context->method_inst) {
1627                 inst = context->method_inst;
1628
1629                 for (i = 0; i < inst->type_argc; ++i) {
1630                         MonoType *type = inst->type_argv [i];
1631
1632                         if (mini_is_gsharedvt_gparam (type))
1633                                 gsctx->is_gsharedvt = TRUE;
1634                 }
1635         }
1636 }
1637
1638 /*
1639  * LOCKING: Acquires the jit code hash lock.
1640  */
1641 MonoJitInfo*
1642 mini_lookup_method (MonoDomain *domain, MonoMethod *method, MonoMethod *shared)
1643 {
1644         MonoJitInfo *ji;
1645         static gboolean inited = FALSE;
1646         static int lookups = 0;
1647         static int failed_lookups = 0;
1648
1649         mono_domain_jit_code_hash_lock (domain);
1650         ji = (MonoJitInfo *)mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
1651         if (!ji && shared) {
1652                 /* Try generic sharing */
1653                 ji = (MonoJitInfo *)mono_internal_hash_table_lookup (&domain->jit_code_hash, shared);
1654                 if (ji && !ji->has_generic_jit_info)
1655                         ji = NULL;
1656                 if (!inited) {
1657                         mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
1658                         mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
1659                         inited = TRUE;
1660                 }
1661
1662                 ++lookups;
1663                 if (!ji)
1664                         ++failed_lookups;
1665         }
1666         mono_domain_jit_code_hash_unlock (domain);
1667
1668         return ji;
1669 }
1670
1671 static MonoJitInfo*
1672 lookup_method (MonoDomain *domain, MonoMethod *method)
1673 {
1674         MonoJitInfo *ji;
1675         MonoMethod *shared;
1676
1677         ji = mini_lookup_method (domain, method, NULL);
1678
1679         if (!ji) {
1680                 if (!mono_method_is_generic_sharable (method, FALSE))
1681                         return NULL;
1682                 shared = mini_get_shared_method (method);
1683                 ji = mini_lookup_method (domain, method, shared);
1684         }
1685
1686         return ji;
1687 }
1688
1689 MonoJitInfo *
1690 mono_get_jit_info_from_method (MonoDomain *domain, MonoMethod *method)
1691 {
1692         return lookup_method (domain, method);
1693 }
1694
1695 #if ENABLE_JIT_MAP
1696 static FILE* perf_map_file;
1697
1698 void
1699 mono_enable_jit_map (void)
1700 {
1701         if (!perf_map_file) {
1702                 char name [64];
1703                 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
1704                 unlink (name);
1705                 perf_map_file = fopen (name, "w");
1706         }
1707 }
1708
1709 void
1710 mono_emit_jit_tramp (void *start, int size, const char *desc)
1711 {
1712         if (perf_map_file)
1713                 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
1714 }
1715
1716 void
1717 mono_emit_jit_map (MonoJitInfo *jinfo)
1718 {
1719         if (perf_map_file) {
1720                 char *name = mono_method_full_name (jinfo_get_method (jinfo), TRUE);
1721                 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
1722                 g_free (name);
1723         }
1724 }
1725
1726 gboolean
1727 mono_jit_map_is_enabled (void)
1728 {
1729         return perf_map_file != NULL;
1730 }
1731
1732 #endif
1733
1734 static void
1735 no_gsharedvt_in_wrapper (void)
1736 {
1737         g_assert_not_reached ();
1738 }
1739
1740 static gpointer
1741 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoError *error)
1742 {
1743         MonoDomain *target_domain, *domain = mono_domain_get ();
1744         MonoJitInfo *info;
1745         gpointer code = NULL, p;
1746         MonoJitInfo *ji;
1747         MonoJitICallInfo *callinfo = NULL;
1748         WrapperInfo *winfo = NULL;
1749
1750         mono_error_init (error);
1751
1752         if (mono_llvm_only)
1753                 /* Should be handled by the caller */
1754                 g_assert (!(method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED));
1755
1756         /*
1757          * ICALL wrappers are handled specially, since there is only one copy of them
1758          * shared by all appdomains.
1759          */
1760         if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
1761                 winfo = mono_marshal_get_wrapper_info (method);
1762         if (winfo && winfo->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER) {
1763                 callinfo = mono_find_jit_icall_by_addr (winfo->d.icall.func);
1764                 g_assert (callinfo);
1765
1766                 /* Must be domain neutral since there is only one copy */
1767                 opt |= MONO_OPT_SHARED;
1768         } else {
1769                 /* MONO_OPT_SHARED is no longer supported, we only use it for icall wrappers */
1770                 opt &= ~MONO_OPT_SHARED;
1771         }
1772
1773         if (opt & MONO_OPT_SHARED)
1774                 target_domain = mono_get_root_domain ();
1775         else
1776                 target_domain = domain;
1777
1778         if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
1779                 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
1780
1781                 g_assert (info);
1782                 if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER) {
1783                         MonoGenericContext *ctx = NULL;
1784                         if (method->is_inflated)
1785                                 ctx = mono_method_get_context (method);
1786                         method = info->d.synchronized_inner.method;
1787                         if (ctx) {
1788                                 method = mono_class_inflate_generic_method_checked (method, ctx, error);
1789                                 g_assert (mono_error_ok (error)); /* FIXME don't swallow the error */
1790                         }
1791                 }
1792         }
1793
1794         info = lookup_method (target_domain, method);
1795         if (info) {
1796                 /* We can't use a domain specific method in another domain */
1797                 if (! ((domain != target_domain) && !info->domain_neutral)) {
1798                         MonoVTable *vtable;
1799
1800                         mono_jit_stats.methods_lookups++;
1801                         vtable = mono_class_vtable_full (domain, method->klass, error);
1802                         if (!is_ok (error))
1803                                 return NULL;
1804                         g_assert (vtable);
1805                         if (!mono_runtime_class_init_full (vtable, error))
1806                                 return NULL;
1807                         return mono_create_ftnptr (target_domain, info->code_start);
1808                 }
1809         }
1810
1811 #ifdef MONO_USE_AOT_COMPILER
1812         if (opt & MONO_OPT_AOT) {
1813                 MonoDomain *domain = mono_domain_get ();
1814
1815                 mono_class_init (method->klass);
1816
1817                 if ((code = mono_aot_get_method_checked (domain, method, error))) {
1818                         MonoVTable *vtable;
1819
1820                         if (mono_runtime_is_critical_method (method) || mono_gc_is_critical_method (method)) {
1821                                 /*
1822                                  * The suspend code needs to be able to lookup these methods by ip in async context,
1823                                  * so preload their jit info.
1824                                  */
1825                                 MonoJitInfo *ji = mono_jit_info_table_find (domain, code);
1826                                 g_assert (ji);
1827                         }
1828
1829                         /*
1830                          * In llvm-only mode, method might be a shared method, so we can't initialize its class.
1831                          * This is not a problem, since it will be initialized when the method is first
1832                          * called by init_method ().
1833                          */
1834                         if (!mono_llvm_only) {
1835                                 vtable = mono_class_vtable (domain, method->klass);
1836                                 g_assert (vtable);
1837                                 if (!mono_runtime_class_init_full (vtable, error))
1838                                         return NULL;
1839                         }
1840                 }
1841                 if (!is_ok (error))
1842                         return NULL;
1843         }
1844 #endif
1845
1846         if (!code && mono_llvm_only) {
1847                 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
1848                         WrapperInfo *info = mono_marshal_get_wrapper_info (method);
1849
1850                         if (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN_SIG) {
1851                                 /*
1852                                  * These wrappers are only created for signatures which are in the program, but
1853                                  * sometimes we load methods too eagerly and have to create them even if they
1854                                  * will never be called.
1855                                  */
1856                                 return no_gsharedvt_in_wrapper;
1857                         }
1858                 }
1859         }
1860
1861         if (!code)
1862                 code = mono_jit_compile_method_inner (method, target_domain, opt, error);
1863         if (!mono_error_ok (error))
1864                 return NULL;
1865
1866         if (!code && mono_llvm_only) {
1867                 printf ("AOT method not found in llvmonly mode: %s\n", mono_method_full_name (method, 1));
1868                 g_assert_not_reached ();
1869         }
1870
1871         if (!code)
1872                 return NULL;
1873
1874         if (method->wrapper_type == MONO_WRAPPER_WRITE_BARRIER || method->wrapper_type == MONO_WRAPPER_ALLOC) {
1875                 MonoDomain *d;
1876
1877                 /*
1878                  * SGEN requires the JIT info for these methods to be registered, see is_ip_in_managed_allocator ().
1879                  */
1880                 ji = mini_jit_info_table_find (mono_domain_get (), (char *)code, &d);
1881                 g_assert (ji);
1882         }
1883
1884         p = mono_create_ftnptr (target_domain, code);
1885
1886         if (callinfo) {
1887                 /*mono_register_jit_icall_wrapper takes the loader lock, so we take it on the outside. */
1888                 mono_loader_lock ();
1889                 mono_jit_lock ();
1890                 if (!callinfo->wrapper) {
1891                         callinfo->wrapper = p;
1892                         mono_register_jit_icall_wrapper (callinfo, p);
1893                 }
1894                 mono_jit_unlock ();
1895                 mono_loader_unlock ();
1896         }
1897
1898         return p;
1899 }
1900
1901 gpointer
1902 mono_jit_compile_method (MonoMethod *method, MonoError *error)
1903 {
1904         gpointer code;
1905
1906         code = mono_jit_compile_method_with_opt (method, mono_get_optimizations_for_method (method, default_opt), error);
1907         return code;
1908 }
1909
1910 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
1911 static void
1912 invalidated_delegate_trampoline (char *desc)
1913 {
1914         g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
1915                  "See http://www.mono-project.com/Diagnostic:Delegate for an explanation and ways to fix this.",
1916                  desc);
1917 }
1918 #endif
1919
1920 /*
1921  * mono_jit_free_method:
1922  *
1923  *  Free all memory allocated by the JIT for METHOD.
1924  */
1925 static void
1926 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
1927 {
1928         MonoJitDynamicMethodInfo *ji;
1929         gboolean destroy = TRUE;
1930         GHashTableIter iter;
1931         MonoJumpList *jlist;
1932
1933         g_assert (method->dynamic);
1934
1935         mono_domain_lock (domain);
1936         ji = mono_dynamic_code_hash_lookup (domain, method);
1937         mono_domain_unlock (domain);
1938
1939         if (!ji)
1940                 return;
1941
1942         mono_debug_remove_method (method, domain);
1943
1944         mono_domain_lock (domain);
1945         g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
1946         mono_domain_jit_code_hash_lock (domain);
1947         mono_internal_hash_table_remove (&domain->jit_code_hash, method);
1948         mono_domain_jit_code_hash_unlock (domain);
1949         g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
1950
1951         /* requires the domain lock - took above */
1952         mono_conc_hashtable_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
1953
1954         /* Remove jump targets in this method */
1955         g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash);
1956         while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) {
1957                 GSList *tmp, *remove;
1958
1959                 remove = NULL;
1960                 for (tmp = jlist->list; tmp; tmp = tmp->next) {
1961                         guint8 *ip = (guint8 *)tmp->data;
1962
1963                         if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size)
1964                                 remove = g_slist_prepend (remove, tmp);
1965                 }
1966                 for (tmp = remove; tmp; tmp = tmp->next) {
1967                         jlist->list = g_slist_delete_link ((GSList *)jlist->list, (GSList *)tmp->data);
1968                 }
1969                 g_slist_free (remove);
1970         }
1971         mono_domain_unlock (domain);
1972
1973 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
1974         if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
1975                 /*
1976                  * Instead of freeing the code, change it to call an error routine
1977                  * so people can fix their code.
1978                  */
1979                 char *type = mono_type_full_name (&method->klass->byval_arg);
1980                 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
1981
1982                 g_free (type);
1983                 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
1984                 destroy = FALSE;
1985         }
1986 #endif
1987
1988         /*
1989          * This needs to be done before freeing code_mp, since the code address is the
1990          * key in the table, so if we free the code_mp first, another thread can grab the
1991          * same code address and replace our entry in the table.
1992          */
1993         mono_jit_info_table_remove (domain, ji->ji);
1994
1995         if (destroy)
1996                 mono_code_manager_destroy (ji->code_mp);
1997         g_free (ji);
1998 }
1999
2000 gpointer
2001 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
2002 {
2003         MonoDomain *target_domain;
2004         MonoJitInfo *info;
2005
2006         if (default_opt & MONO_OPT_SHARED)
2007                 target_domain = mono_get_root_domain ();
2008         else
2009                 target_domain = domain;
2010
2011         info = lookup_method (target_domain, method);
2012         if (info) {
2013                 /* We can't use a domain specific method in another domain */
2014                 if (! ((domain != target_domain) && !info->domain_neutral)) {
2015                         mono_jit_stats.methods_lookups++;
2016                         if (ji)
2017                                 *ji = info;
2018                         return info->code_start;
2019                 }
2020         }
2021
2022         if (ji)
2023                 *ji = NULL;
2024         return NULL;
2025 }
2026
2027 static guint32 bisect_opt = 0;
2028 static GHashTable *bisect_methods_hash = NULL;
2029
2030 void
2031 mono_set_bisect_methods (guint32 opt, const char *method_list_filename)
2032 {
2033         FILE *file;
2034         char method_name [2048];
2035
2036         bisect_opt = opt;
2037         bisect_methods_hash = g_hash_table_new (g_str_hash, g_str_equal);
2038         g_assert (bisect_methods_hash);
2039
2040         file = fopen (method_list_filename, "r");
2041         g_assert (file);
2042
2043         while (fgets (method_name, sizeof (method_name), file)) {
2044                 size_t len = strlen (method_name);
2045                 g_assert (len > 0);
2046                 g_assert (method_name [len - 1] == '\n');
2047                 method_name [len - 1] = 0;
2048                 g_hash_table_insert (bisect_methods_hash, g_strdup (method_name), GINT_TO_POINTER (1));
2049         }
2050         g_assert (feof (file));
2051 }
2052
2053 gboolean mono_do_single_method_regression = FALSE;
2054 guint32 mono_single_method_regression_opt = 0;
2055 MonoMethod *mono_current_single_method;
2056 GSList *mono_single_method_list;
2057 GHashTable *mono_single_method_hash;
2058
2059 guint32
2060 mono_get_optimizations_for_method (MonoMethod *method, guint32 default_opt)
2061 {
2062         g_assert (method);
2063
2064         if (bisect_methods_hash) {
2065                 char *name = mono_method_full_name (method, TRUE);
2066                 void *res = g_hash_table_lookup (bisect_methods_hash, name);
2067                 g_free (name);
2068                 if (res)
2069                         return default_opt | bisect_opt;
2070         }
2071         if (!mono_do_single_method_regression)
2072                 return default_opt;
2073         if (!mono_current_single_method) {
2074                 if (!mono_single_method_hash)
2075                         mono_single_method_hash = g_hash_table_new (g_direct_hash, g_direct_equal);
2076                 if (!g_hash_table_lookup (mono_single_method_hash, method)) {
2077                         g_hash_table_insert (mono_single_method_hash, method, method);
2078                         mono_single_method_list = g_slist_prepend (mono_single_method_list, method);
2079                 }
2080                 return default_opt;
2081         }
2082         if (method == mono_current_single_method)
2083                 return mono_single_method_regression_opt;
2084         return default_opt;
2085 }
2086
2087 gpointer
2088 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
2089 {
2090         return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
2091 }
2092
2093 typedef struct {
2094         MonoMethod *method;
2095         gpointer compiled_method;
2096         gpointer runtime_invoke;
2097         MonoVTable *vtable;
2098         MonoDynCallInfo *dyn_call_info;
2099         MonoClass *ret_box_class;
2100         MonoMethodSignature *sig;
2101         gboolean gsharedvt_invoke;
2102         gpointer *wrapper_arg;
2103 } RuntimeInvokeInfo;
2104
2105 static RuntimeInvokeInfo*
2106 create_runtime_invoke_info (MonoDomain *domain, MonoMethod *method, gpointer compiled_method, gboolean callee_gsharedvt, MonoError *error)
2107 {
2108         MonoMethod *invoke;
2109         RuntimeInvokeInfo *info;
2110
2111         info = g_new0 (RuntimeInvokeInfo, 1);
2112         info->compiled_method = compiled_method;
2113         if (mono_llvm_only && method->string_ctor)
2114                 info->sig = mono_marshal_get_string_ctor_signature (method);
2115         else
2116                 info->sig = mono_method_signature (method);
2117
2118         invoke = mono_marshal_get_runtime_invoke (method, FALSE);
2119         info->vtable = mono_class_vtable_full (domain, method->klass, error);
2120         if (!mono_error_ok (error))
2121                 return NULL;
2122         g_assert (info->vtable);
2123
2124         MonoMethodSignature *sig = info->sig;
2125         MonoType *ret_type;
2126
2127         /*
2128          * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
2129          * in full-aot mode, so we use a slower, but more generic wrapper if
2130          * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
2131          */
2132 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
2133         if (!mono_llvm_only && (mono_aot_only || debug_options.dyn_runtime_invoke)) {
2134                 gboolean supported = TRUE;
2135                 int i;
2136
2137                 if (method->string_ctor)
2138                         sig = mono_marshal_get_string_ctor_signature (method);
2139
2140                 for (i = 0; i < sig->param_count; ++i) {
2141                         MonoType *t = sig->params [i];
2142
2143                         if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
2144                                 supported = FALSE;
2145                 }
2146
2147                 if (mono_class_is_contextbound (method->klass) || !info->compiled_method)
2148                         supported = FALSE;
2149
2150                 if (supported)
2151                         info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
2152         }
2153 #endif
2154
2155         ret_type = sig->ret;
2156         switch (ret_type->type) {
2157         case MONO_TYPE_VOID:
2158                 break;
2159         case MONO_TYPE_I1:
2160         case MONO_TYPE_U1:
2161         case MONO_TYPE_I2:
2162         case MONO_TYPE_U2:
2163         case MONO_TYPE_I4:
2164         case MONO_TYPE_U4:
2165         case MONO_TYPE_I:
2166         case MONO_TYPE_U:
2167         case MONO_TYPE_I8:
2168         case MONO_TYPE_U8:
2169         case MONO_TYPE_BOOLEAN:
2170         case MONO_TYPE_CHAR:
2171         case MONO_TYPE_R4:
2172         case MONO_TYPE_R8:
2173                 info->ret_box_class = mono_class_from_mono_type (ret_type);
2174                 break;
2175         case MONO_TYPE_PTR:
2176                 info->ret_box_class = mono_defaults.int_class;
2177                 break;
2178         case MONO_TYPE_STRING:
2179         case MONO_TYPE_CLASS:
2180         case MONO_TYPE_ARRAY:
2181         case MONO_TYPE_SZARRAY:
2182         case MONO_TYPE_OBJECT:
2183                 break;
2184         case MONO_TYPE_GENERICINST:
2185                 if (!MONO_TYPE_IS_REFERENCE (ret_type))
2186                         info->ret_box_class = mono_class_from_mono_type (ret_type);
2187                 break;
2188         case MONO_TYPE_VALUETYPE:
2189                 info->ret_box_class = mono_class_from_mono_type (ret_type);
2190                 break;
2191         default:
2192                 g_assert_not_reached ();
2193                 break;
2194         }
2195
2196         if (!info->dyn_call_info) {
2197                 if (mono_llvm_only) {
2198 #ifndef MONO_ARCH_GSHAREDVT_SUPPORTED
2199                         g_assert_not_reached ();
2200 #endif
2201                         info->gsharedvt_invoke = TRUE;
2202                         if (!callee_gsharedvt) {
2203                                 /* Invoke a gsharedvt out wrapper instead */
2204                                 MonoMethod *wrapper = mini_get_gsharedvt_out_sig_wrapper (sig);
2205                                 MonoMethodSignature *wrapper_sig = mini_get_gsharedvt_out_sig_wrapper_signature (sig->hasthis, sig->ret->type != MONO_TYPE_VOID, sig->param_count);
2206
2207                                 info->wrapper_arg = g_malloc0 (2 * sizeof (gpointer));
2208                                 info->wrapper_arg [0] = mini_add_method_wrappers_llvmonly (method, info->compiled_method, FALSE, FALSE, &(info->wrapper_arg [1]));
2209
2210                                 /* Pass has_rgctx == TRUE since the wrapper has an extra arg */
2211                                 invoke = mono_marshal_get_runtime_invoke_for_sig (wrapper_sig);
2212                                 g_free (wrapper_sig);
2213
2214                                 info->compiled_method = mono_jit_compile_method (wrapper, error);
2215                                 if (!mono_error_ok (error)) {
2216                                         g_free (info);
2217                                         return NULL;
2218                                 }
2219                         } else {
2220                                 /* Gsharedvt methods can be invoked the same way */
2221                                 /* The out wrapper has the same signature as the compiled gsharedvt method */
2222                                 MonoMethodSignature *wrapper_sig = mini_get_gsharedvt_out_sig_wrapper_signature (sig->hasthis, sig->ret->type != MONO_TYPE_VOID, sig->param_count);
2223
2224                                 info->wrapper_arg = mono_method_needs_static_rgctx_invoke (method, TRUE) ? mini_method_get_rgctx (method) : NULL;
2225
2226                                 invoke = mono_marshal_get_runtime_invoke_for_sig (wrapper_sig);
2227                                 g_free (wrapper_sig);
2228                         }
2229                 }
2230                 info->runtime_invoke = mono_jit_compile_method (invoke, error);
2231                 if (!mono_error_ok (error)) {
2232                         g_free (info);
2233                         return NULL;
2234                 }
2235         }
2236
2237         return info;
2238 }
2239
2240 static MonoObject*
2241 mono_llvmonly_runtime_invoke (MonoMethod *method, RuntimeInvokeInfo *info, void *obj, void **params, MonoObject **exc, MonoError *error)
2242 {
2243         MonoMethodSignature *sig = info->sig;
2244         MonoDomain *domain = mono_domain_get ();
2245         MonoObject *(*runtime_invoke) (MonoObject *this_obj, void **params, MonoObject **exc, void* compiled_method);
2246         gpointer *args;
2247         gpointer retval_ptr;
2248         guint8 retval [256];
2249         gpointer *param_refs;
2250         int i, pindex;
2251
2252         mono_error_init (error);
2253
2254         g_assert (info->gsharedvt_invoke);
2255
2256         /*
2257          * Instead of invoking the method directly, we invoke a gsharedvt out wrapper.
2258          * The advantage of this is the gsharedvt out wrappers have a reduced set of
2259          * signatures, so we only have to generate runtime invoke wrappers for these
2260          * signatures.
2261          * This code also handles invocation of gsharedvt methods directly, no
2262          * out wrappers are used in that case.
2263          */
2264         args = (void **)g_alloca ((sig->param_count + sig->hasthis + 2) * sizeof (gpointer));
2265         param_refs = (gpointer*)g_alloca ((sig->param_count + sig->hasthis + 2) * sizeof (gpointer));
2266         pindex = 0;
2267         /*
2268          * The runtime invoke wrappers expects pointers to primitive types, so have to
2269          * use indirections.
2270          */
2271         if (sig->hasthis)
2272                 args [pindex ++] = &obj;
2273         if (sig->ret->type != MONO_TYPE_VOID) {
2274                 retval_ptr = (gpointer)&retval;
2275                 args [pindex ++] = &retval_ptr;
2276         }
2277         for (i = 0; i < sig->param_count; ++i) {
2278                 MonoType *t = sig->params [i];
2279
2280                 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
2281                         MonoClass *klass = mono_class_from_mono_type (t);
2282                         guint8 *nullable_buf;
2283                         int size;
2284
2285                         size = mono_class_value_size (klass, NULL);
2286                         nullable_buf = g_alloca (size);
2287                         g_assert (nullable_buf);
2288
2289                         /* The argument pointed to by params [i] is either a boxed vtype or null */
2290                         mono_nullable_init (nullable_buf, (MonoObject*)params [i], klass);
2291                         params [i] = nullable_buf;
2292                 }
2293
2294                 if (!t->byref && (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR)) {
2295                         param_refs [i] = params [i];
2296                         params [i] = &(param_refs [i]);
2297                 }
2298                 args [pindex ++] = &params [i];
2299         }
2300         /* The gsharedvt out wrapper has an extra argument which contains the method to call */
2301         args [pindex ++] = &info->wrapper_arg;
2302
2303         runtime_invoke = (MonoObject *(*)(MonoObject *, void **, MonoObject **, void *))info->runtime_invoke;
2304
2305         runtime_invoke (NULL, args, exc, info->compiled_method);
2306         if (exc && *exc)
2307                 return NULL;
2308
2309         if (sig->ret->type != MONO_TYPE_VOID && info->ret_box_class)
2310                 return mono_value_box_checked (domain, info->ret_box_class, retval, error);
2311         else
2312                 return *(MonoObject**)retval;
2313 }
2314
2315 /**
2316  * mono_jit_runtime_invoke:
2317  * @method: the method to invoke
2318  * @obj: this pointer
2319  * @params: array of parameter values.
2320  * @exc: Set to the exception raised in the managed method.  If NULL, error is thrown instead.
2321  *       If coop is enabled, this argument is ignored - all exceptoins are caught and propagated
2322  *       through @error
2323  * @error: error or caught exception object
2324  */
2325 static MonoObject*
2326 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc, MonoError *error)
2327 {
2328         MonoMethod *invoke, *callee;
2329         MonoObject *(*runtime_invoke) (MonoObject *this_obj, void **params, MonoObject **exc, void* compiled_method);
2330         MonoDomain *domain = mono_domain_get ();
2331         MonoJitDomainInfo *domain_info;
2332         RuntimeInvokeInfo *info, *info2;
2333         MonoJitInfo *ji = NULL;
2334         gboolean callee_gsharedvt = FALSE;
2335
2336         mono_error_init (error);
2337
2338         if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
2339                 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
2340                 return NULL;
2341         }
2342
2343         domain_info = domain_jit_info (domain);
2344
2345         info = (RuntimeInvokeInfo *)mono_conc_hashtable_lookup (domain_info->runtime_invoke_hash, method);
2346
2347         if (!info) {
2348                 if (mono_security_core_clr_enabled ()) {
2349                         /*
2350                          * This might be redundant since mono_class_vtable () already does this,
2351                          * but keep it just in case for moonlight.
2352                          */
2353                         mono_class_setup_vtable (method->klass);
2354                         if (mono_class_has_failure (method->klass)) {
2355                                 mono_error_set_for_class_failure (error, method->klass);
2356                                 if (exc)
2357                                         *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
2358                                 return NULL;
2359                         }
2360                 }
2361
2362                 gpointer compiled_method;
2363
2364                 callee = method;
2365                 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
2366                         (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
2367                         /*
2368                          * Array Get/Set/Address methods. The JIT implements them using inline code
2369                          * inside the runtime invoke wrappers, so no need to compile them.
2370                          */
2371                         if (mono_aot_only) {
2372                                 /*
2373                                  * Call a wrapper, since the runtime invoke wrapper was not generated.
2374                                  */
2375                                 MonoMethod *wrapper;
2376
2377                                 wrapper = mono_marshal_get_array_accessor_wrapper (method);
2378                                 invoke = mono_marshal_get_runtime_invoke (wrapper, FALSE);
2379                                 callee = wrapper;
2380                         } else {
2381                                 callee = NULL;
2382                         }
2383                 }
2384
2385                 if (callee) {
2386                         compiled_method = mono_jit_compile_method_with_opt (callee, mono_get_optimizations_for_method (callee, default_opt), error);
2387                         if (!compiled_method) {
2388                                 g_assert (!mono_error_ok (error));
2389                                 return NULL;
2390                         }
2391
2392                         if (mono_llvm_only) {
2393                                 ji = mini_jit_info_table_find (mono_domain_get (), (char *)mono_get_addr_from_ftnptr (compiled_method), NULL);
2394                                 callee_gsharedvt = mini_jit_info_is_gsharedvt (ji);
2395                                 if (callee_gsharedvt)
2396                                         callee_gsharedvt = mini_is_gsharedvt_variable_signature (mono_method_signature (jinfo_get_method (ji)));
2397                         }
2398
2399                         if (!callee_gsharedvt)
2400                                 compiled_method = mini_add_method_trampoline (callee, compiled_method, mono_method_needs_static_rgctx_invoke (callee, TRUE), FALSE);
2401                 } else {
2402                         compiled_method = NULL;
2403                 }
2404
2405                 info = create_runtime_invoke_info (domain, method, compiled_method, callee_gsharedvt, error);
2406                 if (!mono_error_ok (error))
2407                         return NULL;
2408
2409                 mono_domain_lock (domain);
2410                 info2 = (RuntimeInvokeInfo *)mono_conc_hashtable_insert (domain_info->runtime_invoke_hash, method, info);
2411                 mono_domain_unlock (domain);
2412                 if (info2) {
2413                         g_free (info);
2414                         info = info2;
2415                 }
2416         }
2417
2418         /*
2419          * We need this here because mono_marshal_get_runtime_invoke can place
2420          * the helper method in System.Object and not the target class.
2421          */
2422         if (!mono_runtime_class_init_full (info->vtable, error)) {
2423                 if (exc)
2424                         *exc = (MonoObject*) mono_error_convert_to_exception (error);
2425                 return NULL;
2426         }
2427
2428         /* If coop is enabled, and the caller didn't ask for the exception to be caught separately,
2429            we always catch the exception and propagate it through the MonoError */
2430         gboolean catchExcInMonoError =
2431                 (exc == NULL) && mono_threads_is_coop_enabled ();
2432         MonoObject *invoke_exc = NULL;
2433         if (catchExcInMonoError)
2434                 exc = &invoke_exc;
2435
2436         /* The wrappers expect this to be initialized to NULL */
2437         if (exc)
2438                 *exc = NULL;
2439
2440 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
2441         if (info->dyn_call_info) {
2442                 MonoMethodSignature *sig = mono_method_signature (method);
2443                 gpointer *args;
2444                 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
2445                 int i, pindex;
2446                 guint8 buf [512];
2447                 guint8 retval [256];
2448
2449                 if (!dyn_runtime_invoke) {
2450                         invoke = mono_marshal_get_runtime_invoke_dynamic ();
2451                         dyn_runtime_invoke = (RuntimeInvokeDynamicFunction)mono_jit_compile_method (invoke, error);
2452                         if (!mono_error_ok (error))
2453                                 return NULL;
2454                 }
2455
2456                 /* Convert the arguments to the format expected by start_dyn_call () */
2457                 args = (void **)g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
2458                 pindex = 0;
2459                 if (sig->hasthis)
2460                         args [pindex ++] = &obj;
2461                 for (i = 0; i < sig->param_count; ++i) {
2462                         MonoType *t = sig->params [i];
2463
2464                         if (t->byref) {
2465                                 args [pindex ++] = &params [i];
2466                         } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
2467                                 args [pindex ++] = &params [i];
2468                         } else {
2469                                 args [pindex ++] = params [i];
2470                         }
2471                 }
2472
2473                 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
2474
2475                 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
2476
2477                 dyn_runtime_invoke (buf, exc, info->compiled_method);
2478                 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
2479
2480                 if (catchExcInMonoError && *exc != NULL) {
2481                         mono_error_set_exception_instance (error, (MonoException*) *exc);
2482                         return NULL;
2483                 }
2484
2485                 if (info->ret_box_class)
2486                         return mono_value_box_checked (domain, info->ret_box_class, retval, error);
2487                 else
2488                         return *(MonoObject**)retval;
2489         }
2490 #endif
2491
2492         MonoObject *result;
2493
2494         if (mono_llvm_only) {
2495                 result = mono_llvmonly_runtime_invoke (method, info, obj, params, exc, error);
2496                 if (!is_ok (error))
2497                         return NULL;
2498         } else {
2499                 runtime_invoke = (MonoObject *(*)(MonoObject *, void **, MonoObject **, void *))info->runtime_invoke;
2500
2501                 result = runtime_invoke ((MonoObject *)obj, params, exc, info->compiled_method);
2502         }
2503         if (catchExcInMonoError && *exc != NULL)
2504                 mono_error_set_exception_instance (error, (MonoException*) *exc);
2505         return result;
2506 }
2507
2508 typedef struct {
2509         MonoVTable *vtable;
2510         int slot;
2511 } IMTTrampInfo;
2512
2513 typedef gpointer (*IMTTrampFunc) (gpointer *arg, MonoMethod *imt_method);
2514
2515 /*
2516  * mini_llvmonly_initial_imt_tramp:
2517  *
2518  *  This function is called the first time a call is made through an IMT trampoline.
2519  * It should have the same signature as the mono_llvmonly_imt_tramp_... functions.
2520  */
2521 static gpointer
2522 mini_llvmonly_initial_imt_tramp (gpointer *arg, MonoMethod *imt_method)
2523 {
2524         IMTTrampInfo *info = (IMTTrampInfo*)arg;
2525         gpointer *imt;
2526         gpointer *ftndesc;
2527         IMTTrampFunc func;
2528
2529         mono_vtable_build_imt_slot (info->vtable, info->slot);
2530
2531         imt = (gpointer*)info->vtable;
2532         imt -= MONO_IMT_SIZE;
2533
2534         /* Return what the real IMT trampoline returns */
2535         ftndesc = imt [info->slot];
2536         func = ftndesc [0];
2537
2538         if (func == (IMTTrampFunc)mini_llvmonly_initial_imt_tramp)
2539                 /* Happens when the imt slot contains only a generic virtual method */
2540                 return NULL;
2541         return func ((gpointer *)ftndesc [1], imt_method);
2542 }
2543
2544 /* This is called indirectly through an imt slot. */
2545 static gpointer
2546 mono_llvmonly_imt_tramp (gpointer *arg, MonoMethod *imt_method)
2547 {
2548         int i = 0;
2549
2550         /* arg points to an array created in mono_llvmonly_get_imt_trampoline () */
2551         while (arg [i] && arg [i] != imt_method)
2552                 i += 2;
2553         g_assert (arg [i]);
2554
2555         return arg [i + 1];
2556 }
2557
2558 /* Optimized versions of mono_llvmonly_imt_trampoline () for different table sizes */
2559 static gpointer
2560 mono_llvmonly_imt_tramp_1 (gpointer *arg, MonoMethod *imt_method)
2561 {
2562         //g_assert (arg [0] == imt_method);
2563         return arg [1];
2564 }
2565
2566 static gpointer
2567 mono_llvmonly_imt_tramp_2 (gpointer *arg, MonoMethod *imt_method)
2568 {
2569         //g_assert (arg [0] == imt_method || arg [2] == imt_method);
2570         if (arg [0] == imt_method)
2571                 return arg [1];
2572         else
2573                 return arg [3];
2574 }
2575
2576 static gpointer
2577 mono_llvmonly_imt_tramp_3 (gpointer *arg, MonoMethod *imt_method)
2578 {
2579         //g_assert (arg [0] == imt_method || arg [2] == imt_method || arg [4] == imt_method);
2580         if (arg [0] == imt_method)
2581                 return arg [1];
2582         else if (arg [2] == imt_method)
2583                 return arg [3];
2584         else
2585                 return arg [5];
2586 }
2587
2588 /*
2589  * A version of the imt trampoline used for generic virtual/variant iface methods.
2590  * Unlikely a normal imt trampoline, its possible that IMT_METHOD is not found
2591  * in the search table. The original JIT code had a 'fallback' trampoline it could
2592  * call, but we can't do that, so we just return NULL, and the compiled code
2593  * will handle it.
2594  */
2595 static gpointer
2596 mono_llvmonly_fallback_imt_tramp (gpointer *arg, MonoMethod *imt_method)
2597 {
2598         int i = 0;
2599
2600         while (arg [i] && arg [i] != imt_method)
2601                 i += 2;
2602         if (!arg [i])
2603                 return NULL;
2604
2605         return arg [i + 1];
2606 }
2607
2608 static gpointer
2609 mono_llvmonly_get_imt_trampoline (MonoVTable *vtable, MonoDomain *domain, MonoIMTCheckItem **imt_entries, int count, gpointer fail_tramp)
2610 {
2611         gpointer *buf;
2612         gpointer *res;
2613         int i, index, real_count;
2614         gboolean virtual_generic = FALSE;
2615
2616         /*
2617          * Create an array which is passed to the imt trampoline functions.
2618          * The array contains MonoMethod-function descriptor pairs, terminated by a NULL entry.
2619          */
2620
2621         real_count = 0;
2622         for (i = 0; i < count; ++i) {
2623                 MonoIMTCheckItem *item = imt_entries [i];
2624
2625                 if (item->is_equals)
2626                         real_count ++;
2627                 if (item->has_target_code)
2628                         virtual_generic = TRUE;
2629         }
2630
2631         /*
2632          * Initialize all vtable entries reachable from this imt slot, so the compiled
2633          * code doesn't have to check it.
2634          */
2635         for (i = 0; i < count; ++i) {
2636                 MonoIMTCheckItem *item = imt_entries [i];
2637                 int vt_slot;
2638
2639                 if (!item->is_equals || item->has_target_code)
2640                         continue;
2641                 vt_slot = item->value.vtable_slot;
2642                 mono_init_vtable_slot (vtable, vt_slot);
2643         }
2644
2645         /* Save the entries into an array */
2646         buf = (void **)mono_domain_alloc (domain, (real_count + 1) * 2 * sizeof (gpointer));
2647         index = 0;
2648         for (i = 0; i < count; ++i) {
2649                 MonoIMTCheckItem *item = imt_entries [i];
2650
2651                 if (!item->is_equals)
2652                         continue;
2653
2654                 g_assert (item->key);
2655                 buf [(index * 2)] = item->key;
2656                 if (item->has_target_code)
2657                         buf [(index * 2) + 1] = item->value.target_code;
2658                 else
2659                         buf [(index * 2) + 1] = vtable->vtable [item->value.vtable_slot];
2660                 index ++;
2661         }
2662         buf [(index * 2)] = NULL;
2663         buf [(index * 2) + 1] = fail_tramp;
2664
2665         /*
2666          * Return a function descriptor for a C function with 'buf' as its argument.
2667          * It will by called by JITted code.
2668          */
2669         res = (void **)mono_domain_alloc (domain, 2 * sizeof (gpointer));
2670         switch (real_count) {
2671         case 1:
2672                 res [0] = mono_llvmonly_imt_tramp_1;
2673                 break;
2674         case 2:
2675                 res [0] = mono_llvmonly_imt_tramp_2;
2676                 break;
2677         case 3:
2678                 res [0] = mono_llvmonly_imt_tramp_3;
2679                 break;
2680         default:
2681                 res [0] = mono_llvmonly_imt_tramp;
2682                 break;
2683         }
2684         if (virtual_generic || fail_tramp)
2685                 res [0] = mono_llvmonly_fallback_imt_tramp;
2686         res [1] = buf;
2687
2688         return res;
2689 }
2690
2691 MONO_SIG_HANDLER_FUNC (, mono_sigfpe_signal_handler)
2692 {
2693         MonoException *exc = NULL;
2694         MonoJitInfo *ji;
2695         MONO_SIG_HANDLER_INFO_TYPE *info = MONO_SIG_HANDLER_GET_INFO ();
2696         MONO_SIG_HANDLER_GET_CONTEXT;
2697
2698         ji = mono_jit_info_table_find_internal (mono_domain_get (), (char *)mono_arch_ip_from_context (ctx), TRUE, TRUE);
2699
2700         MONO_ENTER_GC_UNSAFE_UNBALANCED;
2701
2702 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
2703         if (mono_arch_is_int_overflow (ctx, info))
2704                 /*
2705                  * The spec says this throws ArithmeticException, but MS throws the derived
2706                  * OverflowException.
2707                  */
2708                 exc = mono_get_exception_overflow ();
2709         else
2710                 exc = mono_get_exception_divide_by_zero ();
2711 #else
2712         exc = mono_get_exception_divide_by_zero ();
2713 #endif
2714
2715         if (!ji) {
2716                 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2717                         goto exit;
2718
2719                 mono_handle_native_crash ("SIGFPE", ctx, info);
2720                 if (mono_do_crash_chaining) {
2721                         mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
2722                         goto exit;
2723                 }
2724         }
2725
2726         mono_arch_handle_exception (ctx, exc);
2727
2728 exit:
2729         MONO_EXIT_GC_UNSAFE_UNBALANCED;
2730 }
2731
2732 MONO_SIG_HANDLER_FUNC (, mono_sigill_signal_handler)
2733 {
2734         MONO_SIG_HANDLER_INFO_TYPE *info = MONO_SIG_HANDLER_GET_INFO ();
2735         MONO_SIG_HANDLER_GET_CONTEXT;
2736
2737         if (mono_runtime_get_no_exec ())
2738                 exit (1);
2739
2740
2741         mono_handle_native_crash ("SIGILL", ctx, info);
2742         if (mono_do_crash_chaining) {
2743                 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
2744                 return;
2745         }
2746
2747         g_assert_not_reached ();
2748 }
2749
2750 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
2751 #define HAVE_SIG_INFO
2752 #endif
2753
2754 MONO_SIG_HANDLER_FUNC (, mono_sigsegv_signal_handler)
2755 {
2756         MonoJitInfo *ji;
2757         MonoJitTlsData *jit_tls = (MonoJitTlsData *)mono_tls_get_jit_tls ();
2758         gpointer fault_addr = NULL;
2759 #ifdef HAVE_SIG_INFO
2760         MONO_SIG_HANDLER_INFO_TYPE *info = MONO_SIG_HANDLER_GET_INFO ();
2761 #else
2762         void *info = NULL;
2763 #endif
2764         MONO_SIG_HANDLER_GET_CONTEXT;
2765
2766 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
2767         if (mono_arch_is_single_step_event (info, ctx)) {
2768                 mono_debugger_agent_single_step_event (ctx);
2769                 return;
2770         } else if (mono_arch_is_breakpoint_event (info, ctx)) {
2771                 mono_debugger_agent_breakpoint_hit (ctx);
2772                 return;
2773         }
2774 #endif
2775
2776 #if defined(HAVE_SIG_INFO)
2777 #if !defined(HOST_WIN32)
2778         fault_addr = info->si_addr;
2779         if (mono_aot_is_pagefault (info->si_addr)) {
2780                 mono_aot_handle_pagefault (info->si_addr);
2781                 return;
2782         }
2783 #endif
2784
2785         /* The thread might no be registered with the runtime */
2786         if (!mono_domain_get () || !jit_tls) {
2787                 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2788                         return;
2789                 mono_handle_native_crash ("SIGSEGV", ctx, info);
2790                 if (mono_do_crash_chaining) {
2791                         mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
2792                         return;
2793                 }
2794         }
2795 #endif
2796
2797         ji = mono_jit_info_table_find_internal (mono_domain_get (), (char *)mono_arch_ip_from_context (ctx), TRUE, TRUE);
2798
2799 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
2800         if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, info, (guint8*)info->si_addr))
2801                 return;
2802
2803 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
2804         /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
2805         fault_addr = info->si_addr;
2806         if (fault_addr == NULL) {
2807                 MonoContext mctx;
2808
2809                 mono_sigctx_to_monoctx (ctx, &mctx);
2810
2811                 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
2812         }
2813 #endif
2814
2815         if (jit_tls->stack_size &&
2816                 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
2817                 /*
2818                  * The hard-guard page has been hit: there is not much we can do anymore
2819                  * Print a hopefully clear message and abort.
2820                  */
2821                 mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr);
2822                 g_assert_not_reached ();
2823         } else {
2824                 /* The original handler might not like that it is executed on an altstack... */
2825                 if (!ji && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2826                         return;
2827
2828                 mono_arch_handle_altstack_exception (ctx, info, info->si_addr, FALSE);
2829         }
2830 #else
2831
2832         if (!ji) {
2833                 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2834                         return;
2835
2836                 mono_handle_native_crash ("SIGSEGV", ctx, info);
2837
2838                 if (mono_do_crash_chaining) {
2839                         mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
2840                         return;
2841                 }
2842         }
2843
2844         mono_arch_handle_exception (ctx, NULL);
2845 #endif
2846 }
2847
2848 MONO_SIG_HANDLER_FUNC (, mono_sigint_signal_handler)
2849 {
2850         MonoException *exc;
2851         MONO_SIG_HANDLER_GET_CONTEXT;
2852
2853         MONO_ENTER_GC_UNSAFE_UNBALANCED;
2854
2855         exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
2856
2857         mono_arch_handle_exception (ctx, exc);
2858
2859         MONO_EXIT_GC_UNSAFE_UNBALANCED;
2860 }
2861
2862 #ifndef DISABLE_REMOTING
2863 /* mono_jit_create_remoting_trampoline:
2864  * @method: pointer to the method info
2865  *
2866  * Creates a trampoline which calls the remoting functions. This
2867  * is used in the vtable of transparent proxies.
2868  *
2869  * Returns: a pointer to the newly created code
2870  */
2871 static gpointer
2872 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target, MonoError *error)
2873 {
2874         MonoMethod *nm;
2875         guint8 *addr = NULL;
2876
2877         mono_error_init (error);
2878
2879         if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
2880                 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
2881                         domain, NULL);
2882         }
2883
2884         if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
2885             (mono_method_signature (method)->hasthis && (mono_class_is_marshalbyref (method->klass) || method->klass == mono_defaults.object_class)))
2886                 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
2887         else
2888                 nm = method;
2889         addr = (guint8 *)mono_compile_method_checked (nm, error);
2890         return_val_if_nok (error, NULL);
2891         return mono_get_addr_from_ftnptr (addr);
2892 }
2893 #endif
2894
2895 static G_GNUC_UNUSED void
2896 no_imt_trampoline (void)
2897 {
2898         g_assert_not_reached ();
2899 }
2900
2901 static G_GNUC_UNUSED void
2902 no_vcall_trampoline (void)
2903 {
2904         g_assert_not_reached ();
2905 }
2906
2907 static gpointer *vtable_trampolines;
2908 static int vtable_trampolines_size;
2909
2910 gpointer
2911 mini_get_vtable_trampoline (MonoVTable *vt, int slot_index)
2912 {
2913         int index = slot_index + MONO_IMT_SIZE;
2914
2915         if (mono_llvm_only) {
2916                 if (slot_index < 0) {
2917                         /* Initialize the IMT trampoline to a 'trampoline' so the generated code doesn't have to initialize it */
2918                         // FIXME: Memory management
2919                         gpointer *ftndesc = g_malloc (2 * sizeof (gpointer));
2920                         IMTTrampInfo *info = g_new0 (IMTTrampInfo, 1);
2921                         info->vtable = vt;
2922                         info->slot = index;
2923                         ftndesc [0] = mini_llvmonly_initial_imt_tramp;
2924                         ftndesc [1] = info;
2925                         mono_memory_barrier ();
2926                         return ftndesc;
2927                 } else {
2928                         return NULL;
2929                 }
2930         }
2931
2932         g_assert (slot_index >= - MONO_IMT_SIZE);
2933         if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
2934                 mono_jit_lock ();
2935                 if (!vtable_trampolines || index >= vtable_trampolines_size) {
2936                         int new_size;
2937                         gpointer new_table;
2938
2939                         new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
2940                         while (new_size <= index)
2941                                 new_size *= 2;
2942                         new_table = g_new0 (gpointer, new_size);
2943
2944                         if (vtable_trampolines)
2945                                 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
2946                         g_free (vtable_trampolines);
2947                         mono_memory_barrier ();
2948                         vtable_trampolines = (void **)new_table;
2949                         vtable_trampolines_size = new_size;
2950                 }
2951                 mono_jit_unlock ();
2952         }
2953
2954         if (!vtable_trampolines [index])
2955                 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
2956         return vtable_trampolines [index];
2957 }
2958
2959 static gpointer
2960 mini_get_imt_trampoline (MonoVTable *vt, int slot_index)
2961 {
2962         return mini_get_vtable_trampoline (vt, slot_index - MONO_IMT_SIZE);
2963 }
2964
2965 static gboolean
2966 mini_imt_entry_inited (MonoVTable *vt, int imt_slot_index)
2967 {
2968         if (mono_llvm_only)
2969                 return FALSE;
2970
2971         gpointer *imt = (gpointer*)vt;
2972         imt -= MONO_IMT_SIZE;
2973
2974         return (imt [imt_slot_index] != mini_get_imt_trampoline (vt, imt_slot_index));
2975 }
2976
2977 static gboolean
2978 is_callee_gsharedvt_variable (gpointer addr)
2979 {
2980         MonoJitInfo *ji;
2981         gboolean callee_gsharedvt;
2982
2983         ji = mini_jit_info_table_find (mono_domain_get (), (char *)mono_get_addr_from_ftnptr (addr), NULL);
2984         g_assert (ji);
2985         callee_gsharedvt = mini_jit_info_is_gsharedvt (ji);
2986         if (callee_gsharedvt)
2987                 callee_gsharedvt = mini_is_gsharedvt_variable_signature (mono_method_signature (jinfo_get_method (ji)));
2988         return callee_gsharedvt;
2989 }
2990
2991 gpointer
2992 mini_get_delegate_arg (MonoMethod *method, gpointer method_ptr)
2993 {
2994         gpointer arg = NULL;
2995
2996         if (mono_method_needs_static_rgctx_invoke (method, FALSE))
2997                 arg = mini_method_get_rgctx (method);
2998
2999         /*
3000          * Avoid adding gsharedvt in wrappers since they might not exist if
3001          * this delegate is called through a gsharedvt delegate invoke wrapper.
3002          * Instead, encode that the method is gsharedvt in del->extra_arg,
3003          * the CEE_MONO_CALLI_EXTRA_ARG implementation in the JIT depends on this.
3004          */
3005         if (method->is_inflated && is_callee_gsharedvt_variable (method_ptr)) {
3006                 g_assert ((((mgreg_t)arg) & 1) == 0);
3007                 arg = (gpointer)(((mgreg_t)arg) | 1);
3008         }
3009         return arg;
3010 }
3011
3012 void
3013 mini_init_delegate (MonoDelegate *del)
3014 {
3015         if (mono_llvm_only)
3016                 del->extra_arg = mini_get_delegate_arg (del->method, del->method_ptr);
3017 }
3018
3019 char*
3020 mono_get_delegate_virtual_invoke_impl_name (gboolean load_imt_reg, int offset)
3021 {
3022         int abs_offset;
3023
3024         abs_offset = offset;
3025         if (abs_offset < 0)
3026                 abs_offset = - abs_offset;
3027         return g_strdup_printf ("delegate_virtual_invoke%s_%s%d", load_imt_reg ? "_imt" : "", offset < 0 ? "m_" : "", abs_offset / SIZEOF_VOID_P);
3028 }
3029
3030 gpointer
3031 mono_get_delegate_virtual_invoke_impl (MonoMethodSignature *sig, MonoMethod *method)
3032 {
3033         gboolean is_virtual_generic, is_interface, load_imt_reg;
3034         int offset, idx;
3035
3036         static guint8 **cache = NULL;
3037         static int cache_size = 0;
3038
3039         if (!method)
3040                 return NULL;
3041
3042         if (MONO_TYPE_ISSTRUCT (sig->ret))
3043                 return NULL;
3044
3045         is_virtual_generic = method->is_inflated && mono_method_get_declaring_generic_method (method)->is_generic;
3046         is_interface = mono_class_is_interface (method->klass);
3047         load_imt_reg = is_virtual_generic || is_interface;
3048
3049         if (is_interface)
3050                 offset = ((gint32)mono_method_get_imt_slot (method) - MONO_IMT_SIZE) * SIZEOF_VOID_P;
3051         else
3052                 offset = G_STRUCT_OFFSET (MonoVTable, vtable) + ((mono_method_get_vtable_index (method)) * (SIZEOF_VOID_P));
3053
3054         idx = (offset / SIZEOF_VOID_P + MONO_IMT_SIZE) * 2 + (load_imt_reg ? 1 : 0);
3055         g_assert (idx >= 0);
3056
3057         /* Resize the cache to idx + 1 */
3058         if (cache_size < idx + 1) {
3059                 mono_jit_lock ();
3060                 if (cache_size < idx + 1) {
3061                         guint8 **new_cache;
3062                         int new_cache_size = idx + 1;
3063
3064                         new_cache = g_new0 (guint8*, new_cache_size);
3065                         if (cache)
3066                                 memcpy (new_cache, cache, cache_size * sizeof (guint8*));
3067                         g_free (cache);
3068
3069                         mono_memory_barrier ();
3070                         cache = new_cache;
3071                         cache_size = new_cache_size;
3072                 }
3073                 mono_jit_unlock ();
3074         }
3075
3076         if (cache [idx])
3077                 return cache [idx];
3078
3079         /* FIXME Support more cases */
3080         if (mono_aot_only) {
3081                 cache [idx] = (guint8 *)mono_aot_get_trampoline (mono_get_delegate_virtual_invoke_impl_name (load_imt_reg, offset));
3082                 g_assert (cache [idx]);
3083         } else {
3084                 cache [idx] = (guint8 *)mono_arch_get_delegate_virtual_invoke_impl (sig, method, offset, load_imt_reg);
3085         }
3086         return cache [idx];
3087 }
3088
3089 /**
3090  * mini_parse_debug_option:
3091  * @option: The option to parse.
3092  *
3093  * Parses debug options for the mono runtime. The options are the same as for
3094  * the MONO_DEBUG environment variable.
3095  *
3096  */
3097 gboolean
3098 mini_parse_debug_option (const char *option)
3099 {
3100         if (!strcmp (option, "handle-sigint"))
3101                 debug_options.handle_sigint = TRUE;
3102         else if (!strcmp (option, "keep-delegates"))
3103                 debug_options.keep_delegates = TRUE;
3104         else if (!strcmp (option, "reverse-pinvoke-exceptions"))
3105                 debug_options.reverse_pinvoke_exceptions = TRUE;
3106         else if (!strcmp (option, "collect-pagefault-stats"))
3107                 debug_options.collect_pagefault_stats = TRUE;
3108         else if (!strcmp (option, "break-on-unverified"))
3109                 debug_options.break_on_unverified = TRUE;
3110         else if (!strcmp (option, "no-gdb-backtrace"))
3111                 debug_options.no_gdb_backtrace = TRUE;
3112         else if (!strcmp (option, "suspend-on-sigsegv"))
3113                 debug_options.suspend_on_sigsegv = TRUE;
3114         else if (!strcmp (option, "suspend-on-exception"))
3115                 debug_options.suspend_on_exception = TRUE;
3116         else if (!strcmp (option, "suspend-on-unhandled"))
3117                 debug_options.suspend_on_unhandled = TRUE;
3118         else if (!strcmp (option, "dont-free-domains"))
3119                 mono_dont_free_domains = TRUE;
3120         else if (!strcmp (option, "dyn-runtime-invoke"))
3121                 debug_options.dyn_runtime_invoke = TRUE;
3122         else if (!strcmp (option, "gdb"))
3123                 debug_options.gdb = TRUE;
3124         else if (!strcmp (option, "explicit-null-checks"))
3125                 debug_options.explicit_null_checks = TRUE;
3126         else if (!strcmp (option, "gen-seq-points"))
3127                 debug_options.gen_sdb_seq_points = TRUE;
3128         else if (!strcmp (option, "gen-compact-seq-points"))
3129                 fprintf (stderr, "Mono Warning: option gen-compact-seq-points is deprecated.\n");
3130         else if (!strcmp (option, "no-compact-seq-points"))
3131                 debug_options.no_seq_points_compact_data = TRUE;
3132         else if (!strcmp (option, "single-imm-size"))
3133                 debug_options.single_imm_size = TRUE;
3134         else if (!strcmp (option, "init-stacks"))
3135                 debug_options.init_stacks = TRUE;
3136         else if (!strcmp (option, "casts"))
3137                 debug_options.better_cast_details = TRUE;
3138         else if (!strcmp (option, "soft-breakpoints"))
3139                 debug_options.soft_breakpoints = TRUE;
3140         else if (!strcmp (option, "check-pinvoke-callconv"))
3141                 debug_options.check_pinvoke_callconv = TRUE;
3142         else if (!strcmp (option, "use-fallback-tls"))
3143                 debug_options.use_fallback_tls = TRUE;
3144         else if (!strcmp (option, "debug-domain-unload"))
3145                 mono_enable_debug_domain_unload (TRUE);
3146         else if (!strcmp (option, "partial-sharing"))
3147                 mono_set_partial_sharing_supported (TRUE);
3148         else if (!strcmp (option, "align-small-structs"))
3149                 mono_align_small_structs = TRUE;
3150         else if (!strcmp (option, "native-debugger-break"))
3151                 debug_options.native_debugger_break = TRUE;
3152         else if (!strcmp (option, "disable_omit_fp"))
3153                 debug_options.disable_omit_fp = TRUE;
3154         else
3155                 return FALSE;
3156
3157         return TRUE;
3158 }
3159
3160 static void
3161 mini_parse_debug_options (void)
3162 {
3163         const char *options = g_getenv ("MONO_DEBUG");
3164         gchar **args, **ptr;
3165
3166         if (!options)
3167                 return;
3168
3169         args = g_strsplit (options, ",", -1);
3170
3171         for (ptr = args; ptr && *ptr; ptr++) {
3172                 const char *arg = *ptr;
3173
3174                 if (!mini_parse_debug_option (arg)) {
3175                         fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
3176                         fprintf (stderr, "Available options: 'handle-sigint', 'keep-delegates', 'reverse-pinvoke-exceptions', 'collect-pagefault-stats', 'break-on-unverified', 'no-gdb-backtrace', 'suspend-on-sigsegv', 'suspend-on-exception', 'suspend-on-unhandled', 'dont-free-domains', 'dyn-runtime-invoke', 'gdb', 'explicit-null-checks', 'gen-seq-points', 'no-compact-seq-points', 'single-imm-size', 'init-stacks', 'casts', 'soft-breakpoints', 'check-pinvoke-callconv', 'use-fallback-tls', 'debug-domain-unload', 'partial-sharing', 'align-small-structs', 'native-debugger-break'\n");
3177                         exit (1);
3178                 }
3179         }
3180
3181         g_strfreev (args);
3182 }
3183
3184 MonoDebugOptions *
3185 mini_get_debug_options (void)
3186 {
3187         return &debug_options;
3188 }
3189
3190 static gpointer
3191 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
3192 {
3193 #if !defined(__ia64__) && (!defined(__ppc64__) && !defined(__powerpc64__) || _CALL_ELF == 2)
3194         return addr;
3195 #else
3196         gpointer* desc = NULL;
3197
3198         if ((desc = g_hash_table_lookup (domain->ftnptrs_hash, addr)))
3199                 return desc;
3200 #       ifdef __ia64__
3201         desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
3202
3203         desc [0] = addr;
3204         desc [1] = NULL;
3205 #       elif defined(__ppc64__) || defined(__powerpc64__)
3206
3207         desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
3208
3209         desc [0] = addr;
3210         desc [1] = NULL;
3211         desc [2] = NULL;
3212 #       endif
3213         g_hash_table_insert (domain->ftnptrs_hash, addr, desc);
3214         return desc;
3215 #endif
3216 }
3217
3218 static gpointer
3219 mini_get_addr_from_ftnptr (gpointer descr)
3220 {
3221 #if defined(__ia64__) || ((defined(__ppc64__) || defined(__powerpc64__)) && _CALL_ELF != 2)
3222         return *(gpointer*)descr;
3223 #else
3224         return descr;
3225 #endif
3226 }
3227
3228 static void
3229 register_jit_stats (void)
3230 {
3231         mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_compiled);
3232         mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_aot);
3233         mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
3234         mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
3235         mono_counters_register ("JIT/method_to_ir (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_method_to_ir);
3236         mono_counters_register ("JIT/liveness_handle_exception_clauses (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_liveness_handle_exception_clauses);
3237         mono_counters_register ("JIT/handle_out_of_line_bblock (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_handle_out_of_line_bblock);
3238         mono_counters_register ("JIT/decompose_long_opts (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_decompose_long_opts);
3239         mono_counters_register ("JIT/decompose_typechecks (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_decompose_typechecks);
3240         mono_counters_register ("JIT/local_cprop (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_local_cprop);
3241         mono_counters_register ("JIT/local_emulate_ops (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_local_emulate_ops);
3242         mono_counters_register ("JIT/optimize_branches (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_optimize_branches);
3243         mono_counters_register ("JIT/handle_global_vregs (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_handle_global_vregs);
3244         mono_counters_register ("JIT/local_deadce (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_local_deadce);
3245         mono_counters_register ("JIT/local_alias_analysis (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_local_alias_analysis);
3246         mono_counters_register ("JIT/if_conversion (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_if_conversion);
3247         mono_counters_register ("JIT/bb_ordering (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_bb_ordering);
3248         mono_counters_register ("JIT/compile_dominator_info (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_compile_dominator_info);
3249         mono_counters_register ("JIT/compute_natural_loops (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_compute_natural_loops);
3250         mono_counters_register ("JIT/insert_safepoints (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_insert_safepoints);
3251         mono_counters_register ("JIT/ssa_compute (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_ssa_compute);
3252         mono_counters_register ("JIT/ssa_cprop (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_ssa_cprop);
3253         mono_counters_register ("JIT/ssa_deadce(sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_ssa_deadce);
3254         mono_counters_register ("JIT/perform_abc_removal (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_perform_abc_removal);
3255         mono_counters_register ("JIT/ssa_remove (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_ssa_remove);
3256         mono_counters_register ("JIT/local_cprop2 (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_local_cprop2);
3257         mono_counters_register ("JIT/handle_global_vregs2 (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_handle_global_vregs2);
3258         mono_counters_register ("JIT/local_deadce2 (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_local_deadce2);
3259         mono_counters_register ("JIT/optimize_branches2 (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_optimize_branches2);
3260         mono_counters_register ("JIT/decompose_vtype_opts (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_decompose_vtype_opts);
3261         mono_counters_register ("JIT/decompose_array_access_opts (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_decompose_array_access_opts);
3262         mono_counters_register ("JIT/liveness_handle_exception_clauses2 (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_liveness_handle_exception_clauses2);
3263         mono_counters_register ("JIT/analyze_liveness (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_analyze_liveness);
3264         mono_counters_register ("JIT/linear_scan (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_linear_scan);
3265         mono_counters_register ("JIT/arch_allocate_vars (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_arch_allocate_vars);
3266         mono_counters_register ("JIT/spill_global_vars (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_spill_global_vars);
3267         mono_counters_register ("JIT/local_cprop3 (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_local_cprop3);
3268         mono_counters_register ("JIT/local_deadce3 (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_local_deadce3);
3269         mono_counters_register ("JIT/codegen (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_codegen);
3270         mono_counters_register ("JIT/create_jit_info (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_create_jit_info);
3271         mono_counters_register ("JIT/gc_create_gc_map (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_gc_create_gc_map);
3272         mono_counters_register ("JIT/save_seq_point_info (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_save_seq_point_info);
3273         mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
3274         mono_counters_register ("Basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.basic_blocks);
3275         mono_counters_register ("Max basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.max_basic_blocks);
3276         mono_counters_register ("Allocated vars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocate_var);
3277         mono_counters_register ("Code reallocs", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.code_reallocs);
3278         mono_counters_register ("Allocated code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_code_size);
3279         mono_counters_register ("Allocated seq points size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_seq_points_size);
3280         mono_counters_register ("Inlineable methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlineable_methods);
3281         mono_counters_register ("Inlined methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlined_methods);
3282         mono_counters_register ("Regvars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.regvars);
3283         mono_counters_register ("Locals stack size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.locals_stack_size);
3284         mono_counters_register ("Method cache lookups", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_lookups);
3285         mono_counters_register ("Compiled CIL code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.cil_code_size);
3286         mono_counters_register ("Native code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.native_code_size);
3287         mono_counters_register ("Aliases found", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_found);
3288         mono_counters_register ("Aliases eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_removed);
3289         mono_counters_register ("Aliased loads eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.loads_eliminated);
3290         mono_counters_register ("Aliased stores eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.stores_eliminated);
3291         mono_counters_register ("Optimized immediate divisions", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.optimized_divisions);
3292 }
3293
3294 static void runtime_invoke_info_free (gpointer value);
3295
3296 static gint
3297 class_method_pair_equal (gconstpointer ka, gconstpointer kb)
3298 {
3299         const MonoClassMethodPair *apair = (const MonoClassMethodPair *)ka;
3300         const MonoClassMethodPair *bpair = (const MonoClassMethodPair *)kb;
3301
3302         return apair->klass == bpair->klass && apair->method == bpair->method ? 1 : 0;
3303 }
3304
3305 static guint
3306 class_method_pair_hash (gconstpointer data)
3307 {
3308         const MonoClassMethodPair *pair = (const MonoClassMethodPair *)data;
3309
3310         return (gsize)pair->klass ^ (gsize)pair->method;
3311 }
3312
3313 static void
3314 mini_create_jit_domain_info (MonoDomain *domain)
3315 {
3316         MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
3317
3318         info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
3319         info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
3320         info->delegate_trampoline_hash = g_hash_table_new (class_method_pair_hash, class_method_pair_equal);
3321         info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
3322         info->runtime_invoke_hash = mono_conc_hashtable_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
3323         info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, mono_seq_point_info_free);
3324         info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
3325         info->jump_target_hash = g_hash_table_new (NULL, NULL);
3326
3327         domain->runtime_info = info;
3328 }
3329
3330 static void
3331 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
3332 {
3333         MonoJumpList *jlist = (MonoJumpList *)value;
3334         g_slist_free (jlist->list);
3335 }
3336
3337 static void
3338 delete_got_slot_list (gpointer key, gpointer value, gpointer user_data)
3339 {
3340         GSList *list = (GSList *)value;
3341         g_slist_free (list);
3342 }
3343
3344 static void
3345 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
3346 {
3347         MonoJitDynamicMethodInfo *di = (MonoJitDynamicMethodInfo *)value;
3348         mono_code_manager_destroy (di->code_mp);
3349         g_free (di);
3350 }
3351
3352 static void
3353 runtime_invoke_info_free (gpointer value)
3354 {
3355         RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
3356
3357 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
3358         if (info->dyn_call_info)
3359                 mono_arch_dyn_call_free (info->dyn_call_info);
3360 #endif
3361         g_free (info);
3362 }
3363
3364 static void
3365 free_jit_callee_list (gpointer key, gpointer value, gpointer user_data)
3366 {
3367         g_slist_free (value);
3368 }
3369
3370 static void
3371 mini_free_jit_domain_info (MonoDomain *domain)
3372 {
3373         MonoJitDomainInfo *info = domain_jit_info (domain);
3374
3375         g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
3376         g_hash_table_destroy (info->jump_target_hash);
3377         if (info->jump_target_got_slot_hash) {
3378                 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_got_slot_list, NULL);
3379                 g_hash_table_destroy (info->jump_target_got_slot_hash);
3380         }
3381         if (info->dynamic_code_hash) {
3382                 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
3383                 g_hash_table_destroy (info->dynamic_code_hash);
3384         }
3385         if (info->method_code_hash)
3386                 g_hash_table_destroy (info->method_code_hash);
3387         g_hash_table_destroy (info->jump_trampoline_hash);
3388         g_hash_table_destroy (info->jit_trampoline_hash);
3389         g_hash_table_destroy (info->delegate_trampoline_hash);
3390         if (info->static_rgctx_trampoline_hash)
3391                 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
3392         g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
3393         mono_conc_hashtable_destroy (info->runtime_invoke_hash);
3394         g_hash_table_destroy (info->seq_points);
3395         g_hash_table_destroy (info->arch_seq_points);
3396         if (info->agent_info)
3397                 mono_debugger_agent_free_domain_info (domain);
3398         if (info->gsharedvt_arg_tramp_hash)
3399                 g_hash_table_destroy (info->gsharedvt_arg_tramp_hash);
3400         if (info->llvm_jit_callees) {
3401                 g_hash_table_foreach (info->llvm_jit_callees, free_jit_callee_list, NULL);
3402                 g_hash_table_destroy (info->llvm_jit_callees);
3403         }
3404 #ifdef ENABLE_LLVM
3405         mono_llvm_free_domain_info (domain);
3406 #endif
3407
3408         g_free (domain->runtime_info);
3409         domain->runtime_info = NULL;
3410 }
3411
3412 #ifdef ENABLE_LLVM
3413 static gboolean
3414 llvm_init_inner (void)
3415 {
3416         if (!mono_llvm_load (NULL))
3417                 return FALSE;
3418
3419         mono_llvm_init ();
3420         return TRUE;
3421 }
3422 #endif
3423
3424 /*
3425  * mini_llvm_init:
3426  *
3427  *   Load and initialize LLVM support.
3428  * Return TRUE on success.
3429  */
3430 gboolean
3431 mini_llvm_init (void)
3432 {
3433 #ifdef ENABLE_LLVM
3434         static gboolean llvm_inited;
3435         static gboolean init_result;
3436
3437         mono_loader_lock_if_inited ();
3438         if (!llvm_inited) {
3439                 init_result = llvm_init_inner ();
3440                 llvm_inited = TRUE;
3441         }
3442         mono_loader_unlock_if_inited ();
3443         return init_result;
3444 #else
3445         return FALSE;
3446 #endif
3447 }
3448
3449 MonoDomain *
3450 mini_init (const char *filename, const char *runtime_version)
3451 {
3452         MonoError error;
3453         MonoDomain *domain;
3454         MonoRuntimeCallbacks callbacks;
3455         MonoThreadInfoRuntimeCallbacks ticallbacks;
3456
3457         MONO_VES_INIT_BEGIN ();
3458
3459         CHECKED_MONO_INIT ();
3460
3461 #if defined(__linux__) && !defined(__native_client__)
3462         if (access ("/proc/self/maps", F_OK) != 0) {
3463                 g_print ("Mono requires /proc to be mounted.\n");
3464                 exit (1);
3465         }
3466 #endif
3467
3468         mono_os_mutex_init_recursive (&jit_mutex);
3469
3470         mono_cross_helpers_run ();
3471
3472         mono_counters_init ();
3473
3474         mini_jit_init ();
3475
3476         /* Happens when using the embedding interface */
3477         if (!default_opt_set)
3478                 default_opt = mono_parse_default_optimizations (NULL);
3479
3480 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
3481         if (mono_aot_only)
3482                 mono_set_generic_sharing_vt_supported (TRUE);
3483 #else
3484         if (mono_llvm_only)
3485                 mono_set_generic_sharing_vt_supported (TRUE);
3486 #endif
3487
3488         mono_tls_init_runtime_keys ();
3489
3490         if (!global_codeman)
3491                 global_codeman = mono_code_manager_new ();
3492
3493         memset (&callbacks, 0, sizeof (callbacks));
3494         callbacks.create_ftnptr = mini_create_ftnptr;
3495         callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
3496         callbacks.get_runtime_build_info = mono_get_runtime_build_info;
3497         callbacks.set_cast_details = mono_set_cast_details;
3498         callbacks.debug_log = mono_debugger_agent_debug_log;
3499         callbacks.debug_log_is_enabled = mono_debugger_agent_debug_log_is_enabled;
3500         callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
3501         callbacks.get_imt_trampoline = mini_get_imt_trampoline;
3502         callbacks.imt_entry_inited = mini_imt_entry_inited;
3503         callbacks.init_delegate = mini_init_delegate;
3504 #define JIT_INVOKE_WORKS
3505 #ifdef JIT_INVOKE_WORKS
3506         callbacks.runtime_invoke = mono_jit_runtime_invoke;
3507 #endif
3508 #define JIT_TRAMPOLINES_WORK
3509 #ifdef JIT_TRAMPOLINES_WORK
3510         callbacks.compile_method = mono_jit_compile_method;
3511         callbacks.create_jump_trampoline = mono_create_jump_trampoline;
3512         callbacks.create_jit_trampoline = mono_create_jit_trampoline;
3513         callbacks.create_delegate_trampoline = mono_create_delegate_trampoline;
3514         callbacks.free_method = mono_jit_free_method;
3515 #ifndef DISABLE_REMOTING
3516         callbacks.create_remoting_trampoline = mono_jit_create_remoting_trampoline;
3517 #endif
3518 #endif
3519
3520         mono_install_callbacks (&callbacks);
3521
3522         memset (&ticallbacks, 0, sizeof (ticallbacks));
3523         ticallbacks.setup_async_callback = mono_setup_async_callback;
3524         ticallbacks.thread_state_init_from_sigctx = mono_thread_state_init_from_sigctx;
3525         ticallbacks.thread_state_init_from_handle = mono_thread_state_init_from_handle;
3526         ticallbacks.thread_state_init = mono_thread_state_init;
3527
3528 #ifndef HOST_WIN32
3529         mono_w32handle_init ();
3530 #endif
3531
3532         mono_threads_runtime_init (&ticallbacks);
3533
3534         if (g_getenv ("MONO_DEBUG") != NULL)
3535                 mini_parse_debug_options ();
3536
3537         mono_code_manager_init ();
3538
3539         mono_hwcap_init ();
3540
3541         mono_arch_cpu_init ();
3542
3543         mono_arch_init ();
3544
3545         mono_unwind_init ();
3546
3547 #ifdef XDEBUG_ENABLED
3548         if (g_getenv ("MONO_XDEBUG")) {
3549                 const char *xdebug_opts = g_getenv ("MONO_XDEBUG");
3550                 mono_xdebug_init (xdebug_opts);
3551                 /* So methods for multiple domains don't have the same address */
3552                 mono_dont_free_domains = TRUE;
3553                 mono_using_xdebug = TRUE;
3554         } else if (mini_get_debug_options ()->gdb) {
3555                 mono_xdebug_init ((char*)"gdb");
3556                 mono_dont_free_domains = TRUE;
3557                 mono_using_xdebug = TRUE;
3558         }
3559 #endif
3560
3561 #ifdef ENABLE_LLVM
3562         if (mono_use_llvm) {
3563                 if (!mono_llvm_load (NULL)) {
3564                         mono_use_llvm = FALSE;
3565                         fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
3566                 }
3567         }
3568         if (mono_use_llvm)
3569                 mono_llvm_init ();
3570 #endif
3571
3572         mono_trampolines_init ();
3573
3574         if (default_opt & MONO_OPT_AOT)
3575                 mono_aot_init ();
3576
3577         mono_debugger_agent_init ();
3578
3579 #ifdef MONO_ARCH_GSHARED_SUPPORTED
3580         mono_set_generic_sharing_supported (TRUE);
3581 #endif
3582
3583         mono_threads_signals_init ();
3584
3585 #ifndef MONO_CROSS_COMPILE
3586         mono_runtime_install_handlers ();
3587 #endif
3588         mono_threads_install_cleanup (mini_thread_cleanup);
3589
3590 #ifdef JIT_TRAMPOLINES_WORK
3591         mono_install_create_domain_hook (mini_create_jit_domain_info);
3592         mono_install_free_domain_hook (mini_free_jit_domain_info);
3593 #endif
3594         mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
3595         mono_install_get_class_from_name (mono_aot_get_class_from_name);
3596         mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
3597
3598         if (debug_options.collect_pagefault_stats)
3599                 mono_aot_set_make_unreadable (TRUE);
3600
3601         if (runtime_version)
3602                 domain = mono_init_version (filename, runtime_version);
3603         else
3604                 domain = mono_init_from_assembly (filename, filename);
3605
3606         if (mono_aot_only) {
3607                 /* This helps catch code allocation requests */
3608                 mono_code_manager_set_read_only (domain->code_mp);
3609                 mono_marshal_use_aot_wrappers (TRUE);
3610         }
3611
3612         if (mono_llvm_only) {
3613                 mono_install_imt_trampoline_builder (mono_llvmonly_get_imt_trampoline);
3614                 mono_set_always_build_imt_trampolines (TRUE);
3615         } else if (mono_aot_only) {
3616                 mono_install_imt_trampoline_builder (mono_aot_get_imt_trampoline);
3617         } else {
3618                 mono_install_imt_trampoline_builder (mono_arch_build_imt_trampoline);
3619         }
3620
3621         /*Init arch tls information only after the metadata side is inited to make sure we see dynamic appdomain tls keys*/
3622         mono_arch_finish_init ();
3623
3624         mono_icall_init ();
3625
3626         /* This must come after mono_init () in the aot-only case */
3627         mono_exceptions_init ();
3628
3629         /* This should come after mono_init () too */
3630         mini_gc_init ();
3631
3632 #ifndef DISABLE_JIT
3633         mono_create_helper_signatures ();
3634 #endif
3635
3636         register_jit_stats ();
3637
3638 #define JIT_CALLS_WORK
3639 #ifdef JIT_CALLS_WORK
3640         /* Needs to be called here since register_jit_icall depends on it */
3641         mono_marshal_init ();
3642
3643         mono_arch_register_lowlevel_calls ();
3644
3645         register_icalls ();
3646
3647         mono_generic_sharing_init ();
3648 #endif
3649
3650 #ifdef MONO_ARCH_SIMD_INTRINSICS
3651         mono_simd_intrinsics_init ();
3652 #endif
3653
3654         mono_tasklets_init ();
3655
3656         register_trampolines (domain);
3657
3658         if (mono_compile_aot)
3659                 /*
3660                  * Avoid running managed code when AOT compiling, since the platform
3661                  * might only support aot-only execution.
3662                  */
3663                 mono_runtime_set_no_exec (TRUE);
3664
3665         mono_mem_account_register_counters ();
3666
3667 #define JIT_RUNTIME_WORKS
3668 #ifdef JIT_RUNTIME_WORKS
3669         mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
3670         mono_runtime_init_checked (domain, mono_thread_start_cb, mono_thread_attach_cb, &error);
3671         mono_error_assert_ok (&error);
3672         mono_thread_attach (domain);
3673 #endif
3674
3675         if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
3676                 mono_runtime_setup_stat_profiler ();
3677
3678         mono_profiler_runtime_initialized ();
3679
3680         MONO_VES_INIT_END ();
3681
3682         return domain;
3683 }
3684
3685 static void
3686 register_icalls (void)
3687 {
3688         mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
3689                                 ves_icall_get_frame_info);
3690         mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
3691                                 ves_icall_get_trace);
3692         mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
3693                                 mono_runtime_install_handlers);
3694         mono_add_internal_call ("Mono.Runtime::mono_runtime_cleanup_handlers",
3695                                 mono_runtime_cleanup_handlers);
3696
3697 #if defined(PLATFORM_ANDROID) || defined(TARGET_ANDROID)
3698         mono_add_internal_call ("System.Diagnostics.Debugger::Mono_UnhandledException_internal",
3699                                 mono_debugger_agent_unhandled_exception);
3700 #endif
3701
3702         /*
3703          * It's important that we pass `TRUE` as the last argument here, as
3704          * it causes the JIT to omit a wrapper for these icalls. If the JIT
3705          * *did* emit a wrapper, we'd be looking at infinite recursion since
3706          * the wrapper would call the icall which would call the wrapper and
3707          * so on.
3708          */
3709         register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", "void ptr", TRUE);
3710         register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", "void ptr", TRUE);
3711
3712         register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
3713         register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
3714         register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
3715         register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "ptr ptr", TRUE);
3716         register_icall (mono_jit_set_domain, "mono_jit_set_domain", "void ptr", TRUE);
3717         register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
3718
3719         register_icall (mono_llvm_throw_exception, "mono_llvm_throw_exception", "void object", TRUE);
3720         register_icall (mono_llvm_rethrow_exception, "mono_llvm_rethrow_exception", "void object", TRUE);
3721         register_icall (mono_llvm_resume_exception, "mono_llvm_resume_exception", "void", TRUE);
3722         register_icall (mono_llvm_match_exception, "mono_llvm_match_exception", "int ptr int int", TRUE);
3723         register_icall (mono_llvm_clear_exception, "mono_llvm_clear_exception", NULL, TRUE);
3724         register_icall (mono_llvm_load_exception, "mono_llvm_load_exception", "object", TRUE);
3725         register_icall (mono_llvm_throw_corlib_exception, "mono_llvm_throw_corlib_exception", "void int", TRUE);
3726 #if defined(ENABLE_LLVM) && !defined(MONO_LLVM_LOADED)
3727         register_icall (mono_llvm_set_unhandled_exception_handler, "mono_llvm_set_unhandled_exception_handler", NULL, TRUE);
3728
3729         // FIXME: This is broken
3730         register_icall (mono_debug_personality, "mono_debug_personality", "int int int ptr ptr ptr", TRUE);
3731 #endif
3732
3733         register_dyn_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
3734         register_dyn_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
3735         register_dyn_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception", "void ptr", TRUE);
3736         register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
3737         register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "object", FALSE);
3738         register_icall (mono_thread_force_interruption_checkpoint_noraise, "mono_thread_force_interruption_checkpoint_noraise", "object", FALSE);
3739
3740 #if defined(__native_client__) || defined(__native_client_codegen__)
3741         register_icall (mono_nacl_gc, "mono_nacl_gc", "void", FALSE);
3742 #endif
3743
3744         if (mono_threads_is_coop_enabled ())
3745                 register_icall (mono_threads_state_poll, "mono_threads_state_poll", "void", FALSE);
3746
3747 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
3748         register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, "mono_llmult", TRUE);
3749         register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, "mono_lldiv", FALSE);
3750         register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, "mono_lldiv_un", FALSE);
3751         register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, "mono_llrem", FALSE);
3752         register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, "mono_llrem_un", FALSE);
3753 #endif
3754 #if !defined(MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS) || defined(MONO_ARCH_EMULATE_LONG_MUL_OVF_OPTS)
3755         register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, "mono_llmult_ovf_un", FALSE);
3756         register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, "mono_llmult_ovf", FALSE);
3757 #endif
3758
3759 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
3760         register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, "mono_lshl", TRUE);
3761         register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, "mono_lshr", TRUE);
3762         register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, "mono_lshr_un", TRUE);
3763 #endif
3764
3765 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
3766         register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, "mono_idiv", FALSE);
3767         register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, "mono_idiv_un", FALSE);
3768         register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, "mono_irem", FALSE);
3769         register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, "mono_irem_un", FALSE);
3770 #endif
3771
3772 #ifdef MONO_ARCH_EMULATE_MUL_DIV
3773         register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, "mono_imul", TRUE);
3774 #endif
3775
3776 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
3777         register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, "mono_imul_ovf", FALSE);
3778         register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, "mono_imul_ovf_un", FALSE);
3779 #endif
3780
3781 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT_FALLBACK)
3782         register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, "mono_fdiv", FALSE);
3783 #endif
3784
3785         register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, "mono_fconv_u8", FALSE);
3786         register_opcode_emulation (OP_RCONV_TO_U8, "__emul_rconv_to_u8", "ulong float", mono_rconv_u8, "mono_rconv_u8", FALSE);
3787         register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, "mono_fconv_u4", FALSE);
3788         register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, "mono_fconv_ovf_i8", FALSE);
3789         register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, "mono_fconv_ovf_u8", FALSE);
3790         register_opcode_emulation (OP_RCONV_TO_OVF_I8, "__emul_rconv_to_ovf_i8", "long float", mono_rconv_ovf_i8, "mono_rconv_ovf_i8", FALSE);
3791         register_opcode_emulation (OP_RCONV_TO_OVF_U8, "__emul_rconv_to_ovf_u8", "ulong float", mono_rconv_ovf_u8, "mono_rconv_ovf_u8", FALSE);
3792
3793
3794 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
3795         register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, "mono_fconv_i8", FALSE);
3796         register_opcode_emulation (OP_RCONV_TO_I8, "__emul_rconv_to_i8", "long float", mono_rconv_i8, "mono_rconv_i8", FALSE);
3797 #endif
3798
3799 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
3800         register_opcode_emulation (OP_ICONV_TO_R_UN, "__emul_iconv_to_r_un", "double int32", mono_conv_to_r8_un, "mono_conv_to_r8_un", FALSE);
3801 #endif
3802 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
3803         register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, "mono_lconv_to_r8", FALSE);
3804 #endif
3805 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
3806         register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, "mono_lconv_to_r4", FALSE);
3807 #endif
3808 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
3809         register_opcode_emulation (OP_LCONV_TO_R_UN, "__emul_lconv_to_r8_un", "double long", mono_lconv_to_r8_un, "mono_lconv_to_r8_un", FALSE);
3810 #endif
3811 #ifdef MONO_ARCH_EMULATE_FREM
3812 #if !defined(__native_client__)
3813         register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, "fmod", FALSE);
3814         register_opcode_emulation (OP_RREM, "__emul_rrem", "float float float", fmodf, "fmodf", FALSE);
3815 #else
3816         register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, "mono_fmod", FALSE);
3817 #endif
3818 #endif
3819
3820 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
3821         if (mono_arch_is_soft_float ()) {
3822                 register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, "mono_fsub", FALSE);
3823                 register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, "mono_fadd", FALSE);
3824                 register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, "mono_fmul", FALSE);
3825                 register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, "mono_fneg", FALSE);
3826                 register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, "mono_conv_to_r8", FALSE);
3827                 register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, "mono_conv_to_r4", FALSE);
3828                 register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, "mono_fconv_r4", FALSE);
3829                 register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, "mono_fconv_i1", FALSE);
3830                 register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, "mono_fconv_i2", FALSE);
3831                 register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
3832                 register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, "mono_fconv_u1", FALSE);
3833                 register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, "mono_fconv_u2", FALSE);
3834
3835 #if SIZEOF_VOID_P == 4
3836                 register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
3837 #endif
3838
3839                 register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, "mono_fcmp_eq", FALSE);
3840                 register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, "mono_fcmp_lt", FALSE);
3841                 register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, "mono_fcmp_gt", FALSE);
3842                 register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, "mono_fcmp_le", FALSE);
3843                 register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, "mono_fcmp_ge", FALSE);
3844                 register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, "mono_fcmp_ne_un", FALSE);
3845                 register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, "mono_fcmp_lt_un", FALSE);
3846                 register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, "mono_fcmp_gt_un", FALSE);
3847                 register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, "mono_fcmp_le_un", FALSE);
3848                 register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, "mono_fcmp_ge_un", FALSE);
3849
3850                 register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, "mono_fceq", FALSE);
3851                 register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, "mono_fcgt", FALSE);
3852                 register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, "mono_fcgt_un", FALSE);
3853                 register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, "mono_fclt", FALSE);
3854                 register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, "mono_fclt_un", FALSE);
3855
3856                 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
3857                 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
3858                 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
3859                 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
3860         }
3861 #endif
3862         register_icall (mono_ckfinite, "mono_ckfinite", "double double", FALSE);
3863
3864 #ifdef COMPRESSED_INTERFACE_BITMAP
3865         register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
3866 #endif
3867
3868 #if SIZEOF_REGISTER == 4
3869         register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, "mono_fconv_u4", TRUE);
3870 #else
3871         register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "ulong double", mono_fconv_u8, "mono_fconv_u8", TRUE);
3872 #endif
3873
3874         /* other jit icalls */
3875         register_icall (ves_icall_mono_delegate_ctor, "ves_icall_mono_delegate_ctor", "void object object ptr", FALSE);
3876         register_icall (mono_class_static_field_address , "mono_class_static_field_address",
3877                                  "ptr ptr ptr", FALSE);
3878         register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
3879         register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
3880                 "ptr ptr ptr ptr", FALSE);
3881         register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
3882         register_icall (ves_icall_mono_ldstr, "ves_icall_mono_ldstr", "object ptr ptr int32", FALSE);
3883         register_icall (mono_helper_stelem_ref_check, "mono_helper_stelem_ref_check", "void object object", FALSE);
3884         register_icall (ves_icall_object_new, "ves_icall_object_new", "object ptr ptr", FALSE);
3885         register_icall (ves_icall_object_new_specific, "ves_icall_object_new_specific", "object ptr", FALSE);
3886         register_icall (ves_icall_array_new, "ves_icall_array_new", "object ptr ptr int32", FALSE);
3887         register_icall (ves_icall_array_new_specific, "ves_icall_array_new_specific", "object ptr int32", FALSE);
3888         register_icall (ves_icall_runtime_class_init, "ves_icall_runtime_class_init", "void ptr", FALSE);
3889         register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
3890         register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
3891         register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
3892         register_icall (mono_helper_compile_generic_method, "mono_helper_compile_generic_method", "ptr object ptr ptr", FALSE);
3893         register_icall (mono_helper_ldstr, "mono_helper_ldstr", "object ptr int", FALSE);
3894         register_icall (mono_helper_ldstr_mscorlib, "mono_helper_ldstr_mscorlib", "object int", FALSE);
3895         register_icall (mono_helper_newobj_mscorlib, "mono_helper_newobj_mscorlib", "object int", FALSE);
3896         register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
3897         register_icall (mono_object_castclass_unbox, "mono_object_castclass_unbox", "object object ptr", FALSE);
3898         register_icall (mono_break, "mono_break", NULL, TRUE);
3899         register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
3900         register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
3901         register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
3902         register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
3903         register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
3904         register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
3905         register_icall (mono_array_new_4, "mono_array_new_4", "object ptr int int int int", FALSE);
3906         register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
3907         register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
3908         register_icall (mono_gsharedvt_constrained_call, "mono_gsharedvt_constrained_call", "object ptr ptr ptr ptr ptr", FALSE);
3909         register_icall (mono_gsharedvt_value_copy, "mono_gsharedvt_value_copy", "void ptr ptr ptr", TRUE);
3910
3911         register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
3912
3913         register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
3914         register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
3915         register_icall (mono_generic_class_init, "mono_generic_class_init", "void ptr", FALSE);
3916         register_icall (mono_fill_class_rgctx, "mono_fill_class_rgctx", "ptr ptr int", FALSE);
3917         register_icall (mono_fill_method_rgctx, "mono_fill_method_rgctx", "ptr ptr int", FALSE);
3918
3919         register_icall (mono_debugger_agent_user_break, "mono_debugger_agent_user_break", "void", FALSE);
3920
3921         register_icall (mono_aot_init_llvm_method, "mono_aot_init_llvm_method", "void ptr int", TRUE);
3922         register_icall (mono_aot_init_gshared_method_this, "mono_aot_init_gshared_method_this", "void ptr int object", TRUE);
3923         register_icall (mono_aot_init_gshared_method_mrgctx, "mono_aot_init_gshared_method_mrgctx", "void ptr int ptr", TRUE);
3924         register_icall (mono_aot_init_gshared_method_vtable, "mono_aot_init_gshared_method_vtable", "void ptr int ptr", TRUE);
3925
3926         register_icall_no_wrapper (mono_resolve_iface_call_gsharedvt, "mono_resolve_iface_call_gsharedvt", "ptr object int ptr ptr");
3927         register_icall_no_wrapper (mono_resolve_vcall_gsharedvt, "mono_resolve_vcall_gsharedvt", "ptr object int ptr ptr");
3928         register_icall_no_wrapper (mono_resolve_generic_virtual_call, "mono_resolve_generic_virtual_call", "ptr ptr int ptr");
3929         register_icall_no_wrapper (mono_resolve_generic_virtual_iface_call, "mono_resolve_generic_virtual_iface_call", "ptr ptr int ptr");
3930         /* This needs a wrapper so it can have a preserveall cconv */
3931         register_icall (mono_init_vtable_slot, "mono_init_vtable_slot", "ptr ptr int", FALSE);
3932         register_icall (mono_llvmonly_init_delegate, "mono_llvmonly_init_delegate", "void object", TRUE);
3933         register_icall (mono_llvmonly_init_delegate_virtual, "mono_llvmonly_init_delegate_virtual", "void object object ptr", TRUE);
3934         register_icall (mono_get_assembly_object, "mono_get_assembly_object", "object ptr", TRUE);
3935         register_icall (mono_get_method_object, "mono_get_method_object", "object ptr", TRUE);
3936         register_icall (mono_throw_method_access, "mono_throw_method_access", "void ptr ptr", FALSE);
3937         register_icall_no_wrapper (mono_dummy_jit_icall, "mono_dummy_jit_icall", "void");
3938
3939         register_icall_with_wrapper (mono_monitor_enter_internal, "mono_monitor_enter_internal", "void obj");
3940         register_icall_with_wrapper (mono_monitor_enter_v4_internal, "mono_monitor_enter_v4_internal", "void obj ptr");
3941         register_icall_no_wrapper (mono_monitor_enter_fast, "mono_monitor_enter_fast", "int obj");
3942         register_icall_no_wrapper (mono_monitor_enter_v4_fast, "mono_monitor_enter_v4_fast", "int obj ptr");
3943
3944 #ifdef TARGET_IOS
3945         register_icall (pthread_getspecific, "pthread_getspecific", "ptr ptr", TRUE);
3946 #endif
3947         /* Register tls icalls */
3948         register_icall_no_wrapper (mono_tls_get_thread, "mono_tls_get_thread", "ptr");
3949         register_icall_no_wrapper (mono_tls_get_jit_tls, "mono_tls_get_jit_tls", "ptr");
3950         register_icall_no_wrapper (mono_tls_get_domain, "mono_tls_get_domain", "ptr");
3951         register_icall_no_wrapper (mono_tls_get_lmf, "mono_tls_get_lmf", "ptr");
3952         register_icall_no_wrapper (mono_tls_get_sgen_thread_info, "mono_tls_get_sgen_thread_info", "ptr");
3953         register_icall_no_wrapper (mono_tls_get_lmf_addr, "mono_tls_get_lmf_addr", "ptr");
3954         register_icall_no_wrapper (mono_tls_set_thread, "mono_tls_set_thread", "void ptr");
3955         register_icall_no_wrapper (mono_tls_set_jit_tls, "mono_tls_set_jit_tls", "void ptr");
3956         register_icall_no_wrapper (mono_tls_set_domain, "mono_tls_set_domain", "void ptr");
3957         register_icall_no_wrapper (mono_tls_set_lmf, "mono_tls_set_lmf", "void ptr");
3958         register_icall_no_wrapper (mono_tls_set_sgen_thread_info, "mono_tls_set_sgen_thread_info", "void ptr");
3959         register_icall_no_wrapper (mono_tls_set_lmf_addr, "mono_tls_set_lmf_addr", "void ptr");
3960 }
3961
3962 MonoJitStats mono_jit_stats = {0};
3963
3964 static void
3965 print_jit_stats (void)
3966 {
3967         if (mono_jit_stats.enabled) {
3968                 g_print ("Mono Jit statistics\n");
3969                 g_print ("Max code size ratio:    %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
3970                                  mono_jit_stats.max_ratio_method);
3971                 g_print ("Biggest method:         %ld (%s)\n", mono_jit_stats.biggest_method_size,
3972                                  mono_jit_stats.biggest_method);
3973
3974                 g_print ("Delegates created:      %ld\n", mono_stats.delegate_creations);
3975                 g_print ("Initialized classes:    %ld\n", mono_stats.initialized_class_count);
3976                 g_print ("Used classes:           %ld\n", mono_stats.used_class_count);
3977                 g_print ("Generic vtables:        %ld\n", mono_stats.generic_vtable_count);
3978                 g_print ("Methods:                %ld\n", mono_stats.method_count);
3979                 g_print ("Static data size:       %ld\n", mono_stats.class_static_data_size);
3980                 g_print ("VTable data size:       %ld\n", mono_stats.class_vtable_size);
3981                 g_print ("Mscorlib mempool size:  %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
3982
3983                 g_print ("\nInitialized classes:    %ld\n", mono_stats.generic_class_count);
3984                 g_print ("Inflated types:         %ld\n", mono_stats.inflated_type_count);
3985                 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
3986
3987                 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
3988                 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
3989                 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
3990                 g_print ("Shared vtype generic methods: %ld\n", mono_stats.gsharedvt_methods);
3991
3992                 g_print ("IMT tables size:        %ld\n", mono_stats.imt_tables_size);
3993                 g_print ("IMT number of tables:   %ld\n", mono_stats.imt_number_of_tables);
3994                 g_print ("IMT number of methods:  %ld\n", mono_stats.imt_number_of_methods);
3995                 g_print ("IMT used slots:         %ld\n", mono_stats.imt_used_slots);
3996                 g_print ("IMT colliding slots:    %ld\n", mono_stats.imt_slots_with_collisions);
3997                 g_print ("IMT max collisions:     %ld\n", mono_stats.imt_max_collisions_in_slot);
3998                 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
3999                 g_print ("IMT trampolines size:   %ld\n", mono_stats.imt_trampolines_size);
4000
4001                 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
4002                 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
4003                 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
4004
4005                 g_free (mono_jit_stats.max_ratio_method);
4006                 mono_jit_stats.max_ratio_method = NULL;
4007                 g_free (mono_jit_stats.biggest_method);
4008                 mono_jit_stats.biggest_method = NULL;
4009         }
4010 }
4011
4012 void
4013 mini_cleanup (MonoDomain *domain)
4014 {
4015         if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
4016                 mono_runtime_shutdown_stat_profiler ();
4017
4018 #ifndef DISABLE_COM
4019         cominterop_release_all_rcws ();
4020 #endif
4021
4022 #ifndef MONO_CROSS_COMPILE
4023         /*
4024          * mono_domain_finalize () needs to be called early since it needs the
4025          * execution engine still fully working (it may invoke managed finalizers).
4026          */
4027         mono_domain_finalize (domain, 2000);
4028 #endif
4029
4030         /* This accesses metadata so needs to be called before runtime shutdown */
4031         print_jit_stats ();
4032
4033 #ifndef MONO_CROSS_COMPILE
4034         mono_runtime_cleanup (domain);
4035 #endif
4036
4037         mono_profiler_shutdown ();
4038
4039         free_jit_tls_data ((MonoJitTlsData *)mono_tls_get_jit_tls ());
4040
4041         mono_icall_cleanup ();
4042
4043         mono_runtime_cleanup_handlers ();
4044
4045 #ifndef MONO_CROSS_COMPILE
4046         mono_domain_free (domain, TRUE);
4047 #endif
4048
4049 #ifdef ENABLE_LLVM
4050         if (mono_use_llvm)
4051                 mono_llvm_cleanup ();
4052 #endif
4053
4054         mono_aot_cleanup ();
4055
4056         mono_trampolines_cleanup ();
4057
4058         mono_unwind_cleanup ();
4059
4060         mono_code_manager_destroy (global_codeman);
4061         g_free (vtable_trampolines);
4062
4063         mini_jit_cleanup ();
4064
4065         mono_tramp_info_cleanup ();
4066
4067         mono_arch_cleanup ();
4068
4069         mono_generic_sharing_cleanup ();
4070
4071         mono_cleanup ();
4072
4073         mono_trace_cleanup ();
4074
4075         mono_counters_dump (MONO_COUNTER_SECTION_MASK | MONO_COUNTER_MONOTONIC, stdout);
4076
4077         if (mono_inject_async_exc_method)
4078                 mono_method_desc_free (mono_inject_async_exc_method);
4079
4080         mono_tls_free_keys ();
4081
4082         mono_os_mutex_destroy (&jit_mutex);
4083
4084         mono_code_manager_cleanup ();
4085
4086 #ifndef HOST_WIN32
4087         mono_w32handle_cleanup ();
4088 #endif
4089 }
4090
4091 void
4092 mono_set_defaults (int verbose_level, guint32 opts)
4093 {
4094         mini_verbose = verbose_level;
4095         mono_set_optimizations (opts);
4096 }
4097
4098 void
4099 mono_disable_optimizations (guint32 opts)
4100 {
4101         default_opt &= ~opts;
4102 }
4103
4104 void
4105 mono_set_optimizations (guint32 opts)
4106 {
4107         default_opt = opts;
4108         default_opt_set = TRUE;
4109 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
4110         mono_set_generic_sharing_vt_supported (mono_aot_only || ((default_opt & MONO_OPT_GSHAREDVT) != 0));
4111 #else
4112         if (mono_llvm_only)
4113                 mono_set_generic_sharing_vt_supported (TRUE);
4114 #endif
4115 }
4116
4117 void
4118 mono_set_verbose_level (guint32 level)
4119 {
4120         mini_verbose = level;
4121 }
4122
4123 /**
4124  * mono_get_runtime_build_info:
4125  *
4126  * Return the runtime version + build date in string format.
4127  * The returned string is owned by the caller. The returned string
4128  * format is "VERSION (FULL_VERSION BUILD_DATE)" and build date is optional.
4129  */
4130 char*
4131 mono_get_runtime_build_info (void)
4132 {
4133         if (mono_build_date)
4134                 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
4135         else
4136                 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
4137 }
4138
4139 static void
4140 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
4141 {
4142         GHashTable *assemblies = (GHashTable*)user_data;
4143         MonoImage *image = mono_assembly_get_image (ass);
4144         MonoMethod *method, *invoke;
4145         int i, count = 0;
4146
4147         if (g_hash_table_lookup (assemblies, ass))
4148                 return;
4149
4150         g_hash_table_insert (assemblies, ass, ass);
4151
4152         if (mini_verbose > 0)
4153                 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
4154
4155         for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
4156                 MonoError error;
4157
4158                 method = mono_get_method_checked (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL, NULL, &error);
4159                 if (!method) {
4160                         mono_error_cleanup (&error); /* FIXME don't swallow the error */
4161                         continue;
4162                 }
4163                 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
4164                         continue;
4165                 if (method->is_generic || mono_class_is_gtd (method->klass))
4166                         continue;
4167
4168                 count++;
4169                 if (mini_verbose > 1) {
4170                         char * desc = mono_method_full_name (method, TRUE);
4171                         g_print ("Compiling %d %s\n", count, desc);
4172                         g_free (desc);
4173                 }
4174                 mono_compile_method_checked (method, &error);
4175                 if (!is_ok (&error)) {
4176                         mono_error_cleanup (&error); /* FIXME don't swallow the error */
4177                         continue;
4178                 }
4179                 if (strcmp (method->name, "Finalize") == 0) {
4180                         invoke = mono_marshal_get_runtime_invoke (method, FALSE);
4181                         mono_compile_method_checked (invoke, &error);
4182                         mono_error_assert_ok (&error);
4183                 }
4184 #ifndef DISABLE_REMOTING
4185                 if (mono_class_is_marshalbyref (method->klass) && mono_method_signature (method)->hasthis) {
4186                         invoke = mono_marshal_get_remoting_invoke_with_check (method);
4187                         mono_compile_method_checked (invoke, &error);
4188                         mono_error_assert_ok (&error);
4189                 }
4190 #endif
4191         }
4192
4193         /* Load and precompile referenced assemblies as well */
4194         for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
4195                 mono_assembly_load_reference (image, i);
4196                 if (image->references [i])
4197                         mono_precompile_assembly (image->references [i], assemblies);
4198         }
4199 }
4200
4201 void mono_precompile_assemblies ()
4202 {
4203         GHashTable *assemblies = g_hash_table_new (NULL, NULL);
4204
4205         mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
4206
4207         g_hash_table_destroy (assemblies);
4208 }
4209
4210 /*
4211  * Used by LLVM.
4212  * Have to export this for AOT.
4213  */
4214 void
4215 mono_personality (void)
4216 {
4217         /* Not used */
4218         g_assert_not_reached ();
4219 }
4220
4221 // Custom handlers currently only implemented by Windows.
4222 #ifndef HOST_WIN32
4223 gboolean
4224 mono_runtime_install_custom_handlers (const char *handlers)
4225 {
4226         return FALSE;
4227 }
4228
4229 void
4230 mono_runtime_install_custom_handlers_usage (void)
4231 {
4232         fprintf (stdout,
4233                  "Custom Handlers:\n"
4234                  "   --handlers=HANDLERS            Enable handler support, HANDLERS is a comma\n"
4235                  "                                  separated list of available handlers to install.\n"
4236                  "\n"
4237                  "No handlers supported on current platform.\n");
4238 }
4239 #endif /* HOST_WIN32 */