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 #include "lldb.h"
  85
  86 #ifdef MONO_ARCH_LLVM_SUPPORTED
  87 #ifdef ENABLE_LLVM
  88 #include "mini-llvm-cpp.h"
  89 #include "llvm-jit.h"
  90 #endif
  91 #endif
  92
  93 static guint32 default_opt = 0;
  94 static gboolean default_opt_set = FALSE;
  95
  96 gboolean mono_compile_aot = FALSE;
  97 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
  98 gboolean mono_aot_only = FALSE;
  99 /* Same as mono_aot_only, but only LLVM compiled code is used, no trampolines */
 100 gboolean mono_llvm_only = FALSE;
 101 MonoAotMode mono_aot_mode = MONO_AOT_MODE_NONE;
 102
 103 const char *mono_build_date;
 104 gboolean mono_do_signal_chaining;
 105 gboolean mono_do_crash_chaining;
 106 int mini_verbose = 0;
 107
 108 /*
 109  * This flag controls whenever the runtime uses LLVM for JIT compilation, and whenever
 110  * it can load AOT code compiled by LLVM.
 111  */
 112 gboolean mono_use_llvm = FALSE;
 113
 114 gboolean mono_use_interpreter = FALSE;
 115
 116 #define mono_jit_lock() mono_os_mutex_lock (&jit_mutex)
 117 #define mono_jit_unlock() mono_os_mutex_unlock (&jit_mutex)
 118 static mono_mutex_t jit_mutex;
 119
 120 static MonoCodeManager *global_codeman;
 121
 122 MonoDebugOptions debug_options;
 123
 124 #ifdef VALGRIND_JIT_REGISTER_MAP
 125 int valgrind_register;
 126 #endif
 127 GList* mono_aot_paths;
 128
 129 static GSList *tramp_infos;
 130
 131 static void register_icalls (void);
 132
 133 gboolean
 134 mono_running_on_valgrind (void)
 135 {
 136 #ifndef HOST_WIN32
 137         if (RUNNING_ON_VALGRIND){
 138 #ifdef VALGRIND_JIT_REGISTER_MAP
 139                 valgrind_register = TRUE;
 140 #endif
 141                 return TRUE;
 142         } else
 143 #endif
 144                 return FALSE;
 145 }
 146
 147 typedef struct {
 148         void *ip;
 149         MonoMethod *method;
 150 } FindTrampUserData;
 151
 152 static void
 153 find_tramp (gpointer key, gpointer value, gpointer user_data)
 154 {
 155         FindTrampUserData *ud = (FindTrampUserData*)user_data;
 156
 157         if (value == ud->ip)
 158                 ud->method = (MonoMethod*)key;
 159 }
 160
 161 /* debug function */
 162 G_GNUC_UNUSED static char*
 163 get_method_from_ip (void *ip)
 164 {
 165         MonoJitInfo *ji;
 166         MonoMethod *method;
 167         char *method_name;
 168         char *res;
 169         MonoDomain *domain = mono_domain_get ();
 170         MonoDebugSourceLocation *location;
 171         FindTrampUserData user_data;
 172
 173         if (!domain)
 174                 domain = mono_get_root_domain ();
 175
 176         ji = mono_jit_info_table_find_internal (domain, (char *)ip, TRUE, TRUE);
 177         if (!ji) {
 178                 user_data.ip = ip;
 179                 user_data.method = NULL;
 180                 mono_domain_lock (domain);
 181                 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
 182                 mono_domain_unlock (domain);
 183                 if (user_data.method) {
 184                         char *mname = mono_method_full_name (user_data.method, TRUE);
 185                         res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
 186                         g_free (mname);
 187                         return res;
 188                 }
 189                 else
 190                         return NULL;
 191         } else if (ji->is_trampoline) {
 192                 res = g_strdup_printf ("<%p - %s trampoline>", ip, ((MonoTrampInfo*)ji->d.tramp_info)->name);
 193                 return res;
 194         }
 195
 196         method = jinfo_get_method (ji);
 197         method_name = mono_method_full_name (method, TRUE);
 198         /* FIXME: unused ? */
 199         location = mono_debug_lookup_source_location (method, (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
 200
 201         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);
 202
 203         mono_debug_free_source_location (location);
 204         g_free (method_name);
 205
 206         return res;
 207 }
 208
 209 /**
 210  * mono_pmip:
 211  * @ip: an instruction pointer address
 212  *
 213  * This method is used from a debugger to get the name of the
 214  * method at address @ip.   This routine is typically invoked from
 215  * a debugger like this:
 216  *
 217  * (gdb) print mono_pmip ($pc)
 218  *
 219  * Returns: the name of the method at address @ip.
 220  */
 221 G_GNUC_UNUSED char *
 222 mono_pmip (void *ip)
 223 {
 224         return get_method_from_ip (ip);
 225 }
 226
 227 /**
 228  * mono_print_method_from_ip
 229  * @ip: an instruction pointer address
 230  *
 231  * This method is used from a debugger to get the name of the
 232  * method at address @ip.
 233  *
 234  * This prints the name of the method at address @ip in the standard
 235  * output.  Unlike mono_pmip which returns a string, this routine
 236  * prints the value on the standard output.
 237  */
 238 #ifdef __GNUC__
 239 /* Prevent the linker from optimizing this away in embedding setups to help debugging */
 240  __attribute__((used))
 241 #endif
 242 void
 243 mono_print_method_from_ip (void *ip)
 244 {
 245         MonoJitInfo *ji;
 246         char *method;
 247         MonoDebugSourceLocation *source;
 248         MonoDomain *domain = mono_domain_get ();
 249         MonoDomain *target_domain = mono_domain_get ();
 250         FindTrampUserData user_data;
 251         MonoGenericSharingContext*gsctx;
 252         const char *shared_type;
 253
 254         if (!domain)
 255                 domain = mono_get_root_domain ();
 256         ji = mini_jit_info_table_find_ext (domain, (char *)ip, TRUE, &target_domain);
 257         if (ji && ji->is_trampoline) {
 258                 MonoTrampInfo *tinfo = (MonoTrampInfo *)ji->d.tramp_info;
 259
 260                 printf ("IP %p is at offset 0x%x of trampoline '%s'.\n", ip, (int)((guint8*)ip - tinfo->code), tinfo->name);
 261                 return;
 262         }
 263
 264         if (!ji) {
 265                 user_data.ip = ip;
 266                 user_data.method = NULL;
 267                 mono_domain_lock (domain);
 268                 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
 269                 mono_domain_unlock (domain);
 270
 271                 if (user_data.method) {
 272                         char *mname = mono_method_full_name (user_data.method, TRUE);
 273                         printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
 274                         g_free (mname);
 275                         return;
 276                 }
 277
 278                 g_print ("No method at %p\n", ip);
 279                 fflush (stdout);
 280                 return;
 281         }
 282         method = mono_method_full_name (jinfo_get_method (ji), TRUE);
 283         source = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
 284
 285         gsctx = mono_jit_info_get_generic_sharing_context (ji);
 286         shared_type = "";
 287         if (gsctx) {
 288                 if (gsctx->is_gsharedvt)
 289                         shared_type = "gsharedvt ";
 290                 else
 291                         shared_type = "gshared ";
 292         }
 293
 294         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);
 295
 296         if (source)
 297                 g_print ("%s:%d\n", source->source_file, source->row);
 298         fflush (stdout);
 299
 300         mono_debug_free_source_location (source);
 301         g_free (method);
 302 }
 303
 304 /*
 305  * mono_method_same_domain:
 306  *
 307  * Determine whenever two compiled methods are in the same domain, thus
 308  * the address of the callee can be embedded in the caller.
 309  */
 310 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
 311 {
 312         MonoMethod *cmethod;
 313
 314         if (!caller || caller->is_trampoline || !callee || callee->is_trampoline)
 315                 return FALSE;
 316
 317         /*
 318          * If the call was made from domain-neutral to domain-specific
 319          * code, we can't patch the call site.
 320          */
 321         if (caller->domain_neutral && !callee->domain_neutral)
 322                 return FALSE;
 323
 324         cmethod = jinfo_get_method (caller);
 325         if ((cmethod->klass == mono_defaults.appdomain_class) &&
 326                 (strstr (cmethod->name, "InvokeInDomain"))) {
 327                  /* The InvokeInDomain methods change the current appdomain */
 328                 return FALSE;
 329         }
 330
 331         return TRUE;
 332 }
 333
 334 /*
 335  * mono_global_codeman_reserve:
 336  *
 337  *  Allocate code memory from the global code manager.
 338  */
 339 void *mono_global_codeman_reserve (int size)
 340 {
 341         void *ptr;
 342
 343         if (mono_aot_only)
 344                 g_error ("Attempting to allocate from the global code manager while running in aot-only mode.\n");
 345
 346         if (!global_codeman) {
 347                 /* This can happen during startup */
 348                 global_codeman = mono_code_manager_new ();
 349                 return mono_code_manager_reserve (global_codeman, size);
 350         }
 351         else {
 352                 mono_jit_lock ();
 353                 ptr = mono_code_manager_reserve (global_codeman, size);
 354                 mono_jit_unlock ();
 355                 return ptr;
 356         }
 357 }
 358
 359 /* The callback shouldn't take any locks */
 360 void
 361 mono_global_codeman_foreach (MonoCodeManagerFunc func, void *user_data)
 362 {
 363         mono_jit_lock ();
 364         mono_code_manager_foreach (global_codeman, func, user_data);
 365         mono_jit_unlock ();
 366 }
 367
 368 #if defined(__native_client_codegen__) && defined(__native_client__)
 369 void
 370 mono_nacl_gc()
 371 {
 372 #ifdef __native_client_gc__
 373         __nacl_suspend_thread_if_needed();
 374 #endif
 375 }
 376 #endif /* __native_client__ */
 377
 378 /**
 379  * mono_create_unwind_op:
 380  *
 381  *   Create an unwind op with the given parameters.
 382  */
 383 MonoUnwindOp*
 384 mono_create_unwind_op (int when, int tag, int reg, int val)
 385 {
 386         MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
 387
 388         op->op = tag;
 389         op->reg = reg;
 390         op->val = val;
 391         op->when = when;
 392
 393         return op;
 394 }
 395
 396 MonoJumpInfoToken *
 397 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
 398 {
 399         MonoJumpInfoToken *res = (MonoJumpInfoToken *)mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
 400         res->image = image;
 401         res->token = token;
 402         res->has_context = context != NULL;
 403         if (context)
 404                 memcpy (&res->context, context, sizeof (MonoGenericContext));
 405
 406         return res;
 407 }
 408
 409 MonoJumpInfoToken *
 410 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
 411 {
 412         return mono_jump_info_token_new2 (mp, image, token, NULL);
 413 }
 414
 415 /*
 416  * mono_tramp_info_create:
 417  *
 418  *   Create a MonoTrampInfo structure from the arguments. This function assumes ownership
 419  * of JI, and UNWIND_OPS.
 420  */
 421 MonoTrampInfo*
 422 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
 423 {
 424         MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
 425
 426         info->name = g_strdup ((char*)name);
 427         info->code = code;
 428         info->code_size = code_size;
 429         info->ji = ji;
 430         info->unwind_ops = unwind_ops;
 431
 432         return info;
 433 }
 434
 435 void
 436 mono_tramp_info_free (MonoTrampInfo *info)
 437 {
 438         g_free (info->name);
 439
 440         // FIXME: ji
 441         mono_free_unwind_info (info->unwind_ops);
 442         g_free (info);
 443 }
 444
 445 static void
 446 register_trampoline_jit_info (MonoDomain *domain, MonoTrampInfo *info)
 447 {
 448         MonoJitInfo *ji;
 449
 450         ji = (MonoJitInfo *)mono_domain_alloc0 (domain, mono_jit_info_size ((MonoJitInfoFlags)0, 0, 0));
 451         mono_jit_info_init (ji, NULL, info->code, info->code_size, (MonoJitInfoFlags)0, 0, 0);
 452         ji->d.tramp_info = info;
 453         ji->is_trampoline = TRUE;
 454
 455         ji->unwind_info = mono_cache_unwind_info (info->uw_info, info->uw_info_len);
 456
 457         mono_jit_info_table_add (domain, ji);
 458 }
 459
 460 /*
 461  * mono_tramp_info_register:
 462  *
 463  * Remember INFO for use by xdebug, mono_print_method_from_ip (), jit maps, etc.
 464  * INFO can be NULL.
 465  * Frees INFO.
 466  */
 467 void
 468 mono_tramp_info_register (MonoTrampInfo *info, MonoDomain *domain)
 469 {
 470         MonoTrampInfo *copy;
 471
 472         if (!info)
 473                 return;
 474
 475         if (!domain)
 476                 domain = mono_get_root_domain ();
 477
 478         copy = g_new0 (MonoTrampInfo, 1);
 479         copy->code = info->code;
 480         copy->code_size = info->code_size;
 481         copy->name = g_strdup (info->name);
 482
 483         if (info->unwind_ops) {
 484                 copy->uw_info = mono_unwind_ops_encode (info->unwind_ops, &copy->uw_info_len);
 485         } else {
 486                 /* Trampolines from aot have the unwind ops already encoded */
 487                 copy->uw_info = info->uw_info;
 488                 copy->uw_info_len = info->uw_info_len;
 489         }
 490
 491         mono_jit_lock ();
 492         tramp_infos = g_slist_prepend (tramp_infos, copy);
 493         mono_jit_unlock ();
 494
 495         mono_save_trampoline_xdebug_info (info);
 496         mono_lldb_save_trampoline_info (info);
 497
 498         /* Only register trampolines that have unwind infos */
 499         if (mono_get_root_domain () && copy->uw_info)
 500                 register_trampoline_jit_info (domain, copy);
 501
 502         if (mono_jit_map_is_enabled ())
 503                 mono_emit_jit_tramp (info->code, info->code_size, info->name);
 504
 505         mono_tramp_info_free (info);
 506 }
 507
 508 static void
 509 mono_tramp_info_cleanup (void)
 510 {
 511         GSList *l;
 512
 513         for (l = tramp_infos; l; l = l->next) {
 514                 MonoTrampInfo *info = (MonoTrampInfo *)l->data;
 515
 516                 mono_tramp_info_free (info);
 517         }
 518         g_slist_free (tramp_infos);
 519 }
 520
 521 /* Register trampolines created before the root domain was created in the jit info tables */
 522 static void
 523 register_trampolines (MonoDomain *domain)
 524 {
 525         GSList *l;
 526
 527         for (l = tramp_infos; l; l = l->next) {
 528                 MonoTrampInfo *info = (MonoTrampInfo *)l->data;
 529
 530                 register_trampoline_jit_info (domain, info);
 531         }
 532 }
 533
 534 G_GNUC_UNUSED static void
 535 break_count (void)
 536 {
 537 }
 538
 539 /*
 540  * Runtime debugging tool, use if (debug_count ()) <x> else <y> to do <x> the first COUNT times, then do <y> afterwards.
 541  * Set a breakpoint in break_count () to break the last time <x> is done.
 542  */
 543 G_GNUC_UNUSED gboolean
 544 mono_debug_count (void)
 545 {
 546         static int count = 0;
 547         static gboolean inited;
 548         static const char *value;
 549
 550         count ++;
 551
 552         if (!inited) {
 553                 value = g_getenv ("COUNT");
 554                 inited = TRUE;
 555         }
 556
 557         if (!value)
 558                 return TRUE;
 559
 560         if (count == atoi (value))
 561                 break_count ();
 562
 563         if (count > atoi (value))
 564                 return FALSE;
 565
 566         return TRUE;
 567 }
 568
 569 gconstpointer
 570 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
 571 {
 572         MonoError error;
 573         char *name;
 574         MonoMethod *wrapper;
 575         gconstpointer trampoline;
 576         MonoDomain *domain = mono_get_root_domain ();
 577         gboolean check_exc = TRUE;
 578
 579         if (callinfo->wrapper)
 580                 return callinfo->wrapper;
 581
 582         if (callinfo->trampoline)
 583                 return callinfo->trampoline;
 584
 585         if (!strcmp (callinfo->name, "mono_thread_interruption_checkpoint"))
 586                 /* This icall is used to check for exceptions, so don't check in the wrapper */
 587                 check_exc = FALSE;
 588
 589         name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
 590         wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_exc);
 591         g_free (name);
 592
 593         if (do_compile) {
 594                 trampoline = mono_compile_method_checked (wrapper, &error);
 595                 mono_error_assert_ok (&error);
 596         } else {
 597
 598                 trampoline = mono_create_jit_trampoline (domain, wrapper, &error);
 599                 mono_error_assert_ok (&error);
 600                 trampoline = mono_create_ftnptr (domain, (gpointer)trampoline);
 601         }
 602
 603         mono_loader_lock ();
 604         if (!callinfo->trampoline) {
 605                 mono_register_jit_icall_wrapper (callinfo, trampoline);
 606                 callinfo->trampoline = trampoline;
 607         }
 608         mono_loader_unlock ();
 609
 610         return callinfo->trampoline;
 611 }
 612
 613 gconstpointer
 614 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
 615 {
 616         return mono_icall_get_wrapper_full (callinfo, FALSE);
 617 }
 618
 619 static MonoJitDynamicMethodInfo*
 620 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
 621 {
 622         MonoJitDynamicMethodInfo *res;
 623
 624         if (domain_jit_info (domain)->dynamic_code_hash)
 625                 res = (MonoJitDynamicMethodInfo *)g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
 626         else
 627                 res = NULL;
 628         return res;
 629 }
 630
 631 static void
 632 register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, const char *symbol, gboolean no_throw)
 633 {
 634 #ifndef DISABLE_JIT
 635         mini_register_opcode_emulation (opcode, name, sigstr, func, symbol, no_throw);
 636 #else
 637         MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
 638
 639         g_assert (!sig->hasthis);
 640         g_assert (sig->param_count < 3);
 641
 642         /* Opcode emulation functions are assumed to don't call mono_raise_exception () */
 643         mono_register_jit_icall_full (func, name, sig, no_throw, TRUE, symbol);
 644 #endif
 645 }
 646
 647 /*
 648  * For JIT icalls implemented in C.
 649  * NAME should be the same as the name of the C function whose address is FUNC.
 650  * If @avoid_wrapper is TRUE, no wrapper is generated. This is for perf critical icalls which
 651  * can't throw exceptions.
 652  */
 653 static void
 654 register_icall (gpointer func, const char *name, const char *sigstr, gboolean avoid_wrapper)
 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, avoid_wrapper, FALSE, avoid_wrapper ? name : NULL);
 664 }
 665
 666 static void
 667 register_icall_no_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, TRUE, FALSE, name);
 677 }
 678
 679 static void
 680 register_icall_with_wrapper (gpointer func, const char *name, const char *sigstr)
 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_full (func, name, sig, FALSE, FALSE, NULL);
 690 }
 691
 692 static void
 693 register_dyn_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
 694 {
 695         MonoMethodSignature *sig;
 696
 697         if (sigstr)
 698                 sig = mono_create_icall_signature (sigstr);
 699         else
 700                 sig = NULL;
 701
 702         mono_register_jit_icall (func, name, sig, save);
 703 }
 704
 705 MonoLMF *
 706 mono_get_lmf (void)
 707 {
 708 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR) && defined(HAVE_GET_TLS_ADDR)
 709         return (MonoLMF *)mono_tls_get_lmf ();
 710 #else
 711         MonoJitTlsData *jit_tls;
 712
 713         if ((jit_tls = mono_tls_get_jit_tls ()))
 714                 return jit_tls->lmf;
 715         /*
 716          * We do not assert here because this function can be called from
 717          * mini-gc.c on a thread that has not executed any managed code, yet
 718          * (the thread object allocation can trigger a collection).
 719          */
 720         return NULL;
 721 #endif
 722 }
 723
 724 MonoLMF **
 725 mono_get_lmf_addr (void)
 726 {
 727         return (MonoLMF **)mono_tls_get_lmf_addr ();
 728 }
 729
 730 void
 731 mono_set_lmf (MonoLMF *lmf)
 732 {
 733 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR) && defined(HAVE_GET_TLS_ADDR)
 734         mono_tls_set_lmf (lmf);
 735 #else
 736         (*mono_get_lmf_addr ()) = lmf;
 737 #endif
 738 }
 739
 740 MonoJitTlsData*
 741 mono_get_jit_tls (void)
 742 {
 743         return (MonoJitTlsData *)mono_tls_get_jit_tls ();
 744 }
 745
 746 static void
 747 mono_set_jit_tls (MonoJitTlsData *jit_tls)
 748 {
 749         MonoThreadInfo *info;
 750
 751         mono_tls_set_jit_tls (jit_tls);
 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_JIT_TLS, jit_tls);
 757 }
 758
 759 static void
 760 mono_set_lmf_addr (gpointer lmf_addr)
 761 {
 762         MonoThreadInfo *info;
 763
 764         mono_tls_set_lmf_addr (lmf_addr);
 765
 766         /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
 767         info = mono_thread_info_current ();
 768         if (info)
 769                 mono_thread_info_tls_set (info, TLS_KEY_LMF_ADDR, lmf_addr);
 770 }
 771
 772 /*
 773  * mono_jit_thread_attach:
 774  *
 775  * Called by Xamarin.Mac and other products. Attach thread to runtime if
 776  * needed and switch to @domain.
 777  *
 778  * @return the original domain which needs to be restored, or NULL.
 779  */
 780 MonoDomain*
 781 mono_jit_thread_attach (MonoDomain *domain)
 782 {
 783         MonoDomain *orig;
 784         gboolean attached;
 785
 786         g_assert (!mono_threads_is_coop_enabled ());
 787
 788         if (!domain) {
 789                 /* Happens when called from AOTed code which is only used in the root domain. */
 790                 domain = mono_get_root_domain ();
 791         }
 792
 793         g_assert (domain);
 794
 795         attached = mono_tls_get_jit_tls () != NULL;
 796
 797         if (!attached) {
 798                 mono_thread_attach (domain);
 799
 800                 // #678164
 801                 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
 802         }
 803
 804         orig = mono_domain_get ();
 805         if (orig != domain)
 806                 mono_domain_set (domain, TRUE);
 807
 808         return orig != domain ? orig : NULL;
 809 }
 810
 811 /*
 812  * mono_jit_set_domain:
 813  *
 814  * Set domain to @domain if @domain is not null
 815  */
 816 void
 817 mono_jit_set_domain (MonoDomain *domain)
 818 {
 819         g_assert (!mono_threads_is_coop_enabled ());
 820
 821         if (domain)
 822                 mono_domain_set (domain, TRUE);
 823 }
 824
 825 /**
 826  * mono_thread_abort:
 827  * @obj: exception object
 828  *
 829  * abort the thread, print exception information and stack trace
 830  */
 831 static void
 832 mono_thread_abort (MonoObject *obj)
 833 {
 834         /* MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id); */
 835
 836         /* handle_remove should be eventually called for this thread, too
 837         g_free (jit_tls);*/
 838
 839         if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
 840                         (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
 841                 mono_thread_exit ();
 842         } else {
 843                 mono_invoke_unhandled_exception_hook (obj);
 844         }
 845 }
 846
 847 static void*
 848 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
 849 {
 850         MonoJitTlsData *jit_tls;
 851         MonoLMF *lmf;
 852
 853         jit_tls = (MonoJitTlsData *)mono_tls_get_jit_tls ();
 854         if (jit_tls)
 855                 return jit_tls;
 856
 857         jit_tls = g_new0 (MonoJitTlsData, 1);
 858
 859         jit_tls->abort_func = (void (*)(MonoObject *))abort_func;
 860         jit_tls->end_of_stack = stack_start;
 861
 862         mono_set_jit_tls (jit_tls);
 863
 864         lmf = g_new0 (MonoLMF, 1);
 865         MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
 866
 867         jit_tls->first_lmf = lmf;
 868
 869         /*
 870          * We can have 2 configurations for accessing lmf.
 871          * We can use only the tls_lmf_addr variable, which will store the address of
 872          * jit_tls->lmf, or, if we have MONO_ARCH_ENABLE_MONO_LMF_VAR enabled, we can
 873          * use both tls_lmf_addr and tls_lmf variables (in this case we need to have
 874          * means of getting the address of a tls variable; this can be done always
 875          * when using __thread or, on osx, even when using pthread)
 876          */
 877 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR) && defined(HAVE_GET_TLS_ADDR)
 878         /* jit_tls->lmf is unused */
 879         mono_tls_set_lmf (lmf);
 880         mono_set_lmf_addr (mono_tls_get_tls_addr (TLS_KEY_LMF));
 881 #else
 882         mono_set_lmf_addr (&jit_tls->lmf);
 883
 884         jit_tls->lmf = lmf;
 885 #endif
 886
 887 #ifdef MONO_ARCH_HAVE_TLS_INIT
 888         mono_arch_tls_init ();
 889 #endif
 890
 891         mono_setup_altstack (jit_tls);
 892
 893         return jit_tls;
 894 }
 895
 896 static void
 897 free_jit_tls_data (MonoJitTlsData *jit_tls)
 898 {
 899         mono_arch_free_jit_tls_data (jit_tls);
 900         mono_free_altstack (jit_tls);
 901
 902         g_free (jit_tls->first_lmf);
 903         g_free (jit_tls);
 904 }
 905
 906 static void
 907 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
 908 {
 909         MonoThreadInfo *thread;
 910         void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
 911         thread = mono_thread_info_current_unchecked ();
 912         if (thread)
 913                 thread->jit_data = jit_tls;
 914
 915         mono_arch_cpu_init ();
 916 }
 917
 918 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
 919
 920 static void
 921 mono_thread_abort_dummy (MonoObject *obj)
 922 {
 923   if (mono_thread_attach_aborted_cb)
 924     mono_thread_attach_aborted_cb (obj);
 925   else
 926     mono_thread_abort (obj);
 927 }
 928
 929 static void
 930 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
 931 {
 932         MonoThreadInfo *thread;
 933         void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
 934         thread = mono_thread_info_current_unchecked ();
 935         if (thread)
 936                 thread->jit_data = jit_tls;
 937
 938         mono_arch_cpu_init ();
 939 }
 940
 941 static void
 942 mini_thread_cleanup (MonoNativeThreadId tid)
 943 {
 944         MonoJitTlsData *jit_tls = NULL;
 945         MonoThreadInfo *info;
 946
 947         info = mono_thread_info_current_unchecked ();
 948
 949         /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
 950          * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
 951          * not a trivial thing.
 952          *
 953          * The current offender is mono_thread_manage which cleanup threads from the outside.
 954          */
 955         if (info && mono_thread_info_get_tid (info) == tid) {
 956                 jit_tls = (MonoJitTlsData *)info->jit_data;
 957                 info->jit_data = NULL;
 958
 959                 mono_set_jit_tls (NULL);
 960
 961                 /* If we attach a thread but never call into managed land, we might never get an lmf.*/
 962                 if (mono_get_lmf ()) {
 963                         mono_set_lmf (NULL);
 964                         mono_set_lmf_addr (NULL);
 965                 }
 966         } else {
 967                 info = mono_thread_info_lookup (tid);
 968                 if (info) {
 969                         jit_tls = (MonoJitTlsData *)info->jit_data;
 970                         info->jit_data = NULL;
 971                 }
 972                 mono_hazard_pointer_clear (mono_hazard_pointer_get (), 1);
 973         }
 974
 975         if (jit_tls)
 976                 free_jit_tls_data (jit_tls);
 977 }
 978
 979 MonoJumpInfo *
 980 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
 981 {
 982         MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
 983
 984         ji->ip.i = ip;
 985         ji->type = type;
 986         ji->data.target = target;
 987         ji->next = list;
 988
 989         return ji;
 990 }
 991
 992 #if !defined(DISABLE_LOGGING) && !defined(DISABLE_JIT)
 993
 994 static const char* const patch_info_str[] = {
 995 #define PATCH_INFO(a,b) "" #a,
 996 #include "patch-info.h"
 997 #undef PATCH_INFO
 998 };
 999
1000 const char*
1001 mono_ji_type_to_string (MonoJumpInfoType type)
1002 {
1003         return patch_info_str [type];
1004 }
1005
1006 void
1007 mono_print_ji (const MonoJumpInfo *ji)
1008 {
1009         switch (ji->type) {
1010         case MONO_PATCH_INFO_RGCTX_FETCH: {
1011                 MonoJumpInfoRgctxEntry *entry = ji->data.rgctx_entry;
1012
1013                 printf ("[RGCTX_FETCH ");
1014                 mono_print_ji (entry->data);
1015                 printf (" - %s]", mono_rgctx_info_type_to_str (entry->info_type));
1016                 break;
1017         }
1018         case MONO_PATCH_INFO_METHODCONST: {
1019                 char *s = mono_method_full_name (ji->data.method, TRUE);
1020                 printf ("[METHODCONST - %s]", s);
1021                 g_free (s);
1022                 break;
1023         }
1024         case MONO_PATCH_INFO_INTERNAL_METHOD: {
1025                 printf ("[INTERNAL_METHOD - %s]", ji->data.name);
1026                 break;
1027         }
1028         default:
1029                 printf ("[%s]", patch_info_str [ji->type]);
1030                 break;
1031         }
1032 }
1033
1034 #else
1035
1036 const char*
1037 mono_ji_type_to_string (MonoJumpInfoType type)
1038 {
1039         return "";
1040 }
1041
1042 void
1043 mono_print_ji (const MonoJumpInfo *ji)
1044 {
1045 }
1046
1047 #endif
1048
1049 /**
1050  * mono_patch_info_dup_mp:
1051  *
1052  * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
1053  */
1054 MonoJumpInfo*
1055 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
1056 {
1057         MonoJumpInfo *res = (MonoJumpInfo *)mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
1058         memcpy (res, patch_info, sizeof (MonoJumpInfo));
1059
1060         switch (patch_info->type) {
1061         case MONO_PATCH_INFO_RVA:
1062         case MONO_PATCH_INFO_LDSTR:
1063         case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
1064         case MONO_PATCH_INFO_LDTOKEN:
1065         case MONO_PATCH_INFO_DECLSEC:
1066                 res->data.token = (MonoJumpInfoToken *)mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
1067                 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
1068                 break;
1069         case MONO_PATCH_INFO_SWITCH:
1070                 res->data.table = (MonoJumpInfoBBTable *)mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
1071                 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
1072                 res->data.table->table = (MonoBasicBlock **)mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
1073                 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
1074                 break;
1075         case MONO_PATCH_INFO_RGCTX_FETCH:
1076         case MONO_PATCH_INFO_RGCTX_SLOT_INDEX:
1077                 res->data.rgctx_entry = (MonoJumpInfoRgctxEntry *)mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
1078                 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
1079                 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
1080                 break;
1081         case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
1082                 res->data.del_tramp = (MonoDelegateClassMethodPair *)mono_mempool_alloc0 (mp, sizeof (MonoDelegateClassMethodPair));
1083                 memcpy (res->data.del_tramp, patch_info->data.del_tramp, sizeof (MonoDelegateClassMethodPair));
1084                 break;
1085         case MONO_PATCH_INFO_GSHAREDVT_CALL:
1086                 res->data.gsharedvt = (MonoJumpInfoGSharedVtCall *)mono_mempool_alloc (mp, sizeof (MonoJumpInfoGSharedVtCall));
1087                 memcpy (res->data.gsharedvt, patch_info->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
1088                 break;
1089         case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
1090                 MonoGSharedVtMethodInfo *info;
1091                 MonoGSharedVtMethodInfo *oinfo;
1092                 int i;
1093
1094                 oinfo = patch_info->data.gsharedvt_method;
1095                 info = (MonoGSharedVtMethodInfo *)mono_mempool_alloc (mp, sizeof (MonoGSharedVtMethodInfo));
1096                 res->data.gsharedvt_method = info;
1097                 memcpy (info, oinfo, sizeof (MonoGSharedVtMethodInfo));
1098                 info->entries = (MonoRuntimeGenericContextInfoTemplate *)mono_mempool_alloc (mp, sizeof (MonoRuntimeGenericContextInfoTemplate) * info->count_entries);
1099                 for (i = 0; i < oinfo->num_entries; ++i) {
1100                         MonoRuntimeGenericContextInfoTemplate *otemplate = &oinfo->entries [i];
1101                         MonoRuntimeGenericContextInfoTemplate *template_ = &info->entries [i];
1102
1103                         memcpy (template_, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
1104                 }
1105                 //info->locals_types = mono_mempool_alloc0 (mp, info->nlocals * sizeof (MonoType*));
1106                 //memcpy (info->locals_types, oinfo->locals_types, info->nlocals * sizeof (MonoType*));
1107                 break;
1108         }
1109         case MONO_PATCH_INFO_VIRT_METHOD: {
1110                 MonoJumpInfoVirtMethod *info;
1111                 MonoJumpInfoVirtMethod *oinfo;
1112
1113                 oinfo = patch_info->data.virt_method;
1114                 info = (MonoJumpInfoVirtMethod *)mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoVirtMethod));
1115                 res->data.virt_method = info;
1116                 memcpy (info, oinfo, sizeof (MonoJumpInfoVirtMethod));
1117                 break;
1118         }
1119         default:
1120                 break;
1121         }
1122
1123         return res;
1124 }
1125
1126 guint
1127 mono_patch_info_hash (gconstpointer data)
1128 {
1129         const MonoJumpInfo *ji = (MonoJumpInfo*)data;
1130
1131         switch (ji->type) {
1132         case MONO_PATCH_INFO_RVA:
1133         case MONO_PATCH_INFO_LDSTR:
1134         case MONO_PATCH_INFO_LDTOKEN:
1135         case MONO_PATCH_INFO_DECLSEC:
1136                 return (ji->type << 8) | ji->data.token->token;
1137         case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
1138                 return (ji->type << 8) | ji->data.token->token | (ji->data.token->has_context ? (gsize)ji->data.token->context.class_inst : 0);
1139         case MONO_PATCH_INFO_INTERNAL_METHOD:
1140                 return (ji->type << 8) | g_str_hash (ji->data.name);
1141         case MONO_PATCH_INFO_VTABLE:
1142         case MONO_PATCH_INFO_CLASS:
1143         case MONO_PATCH_INFO_IID:
1144         case MONO_PATCH_INFO_ADJUSTED_IID:
1145         case MONO_PATCH_INFO_METHODCONST:
1146         case MONO_PATCH_INFO_METHOD:
1147         case MONO_PATCH_INFO_METHOD_JUMP:
1148         case MONO_PATCH_INFO_IMAGE:
1149         case MONO_PATCH_INFO_ICALL_ADDR:
1150         case MONO_PATCH_INFO_ICALL_ADDR_CALL:
1151         case MONO_PATCH_INFO_FIELD:
1152         case MONO_PATCH_INFO_SFLDA:
1153         case MONO_PATCH_INFO_SEQ_POINT_INFO:
1154         case MONO_PATCH_INFO_METHOD_RGCTX:
1155         case MONO_PATCH_INFO_SIGNATURE:
1156         case MONO_PATCH_INFO_METHOD_CODE_SLOT:
1157         case MONO_PATCH_INFO_AOT_JIT_INFO:
1158         case MONO_PATCH_INFO_GET_TLS_TRAMP:
1159         case MONO_PATCH_INFO_SET_TLS_TRAMP:
1160                 return (ji->type << 8) | (gssize)ji->data.target;
1161         case MONO_PATCH_INFO_GSHAREDVT_CALL:
1162                 return (ji->type << 8) | (gssize)ji->data.gsharedvt->method;
1163         case MONO_PATCH_INFO_RGCTX_FETCH:
1164         case MONO_PATCH_INFO_RGCTX_SLOT_INDEX: {
1165                 MonoJumpInfoRgctxEntry *e = ji->data.rgctx_entry;
1166
1167                 return (ji->type << 8) | (gssize)e->method | (e->in_mrgctx) | e->info_type | mono_patch_info_hash (e->data);
1168         }
1169         case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
1170         case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR:
1171         case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
1172         case MONO_PATCH_INFO_GC_NURSERY_START:
1173         case MONO_PATCH_INFO_GC_NURSERY_BITS:
1174         case MONO_PATCH_INFO_GOT_OFFSET:
1175         case MONO_PATCH_INFO_GC_SAFE_POINT_FLAG:
1176         case MONO_PATCH_INFO_AOT_MODULE:
1177         case MONO_PATCH_INFO_JIT_THREAD_ATTACH:
1178                 return (ji->type << 8);
1179         case MONO_PATCH_INFO_CASTCLASS_CACHE:
1180                 return (ji->type << 8) | (ji->data.index);
1181         case MONO_PATCH_INFO_SWITCH:
1182                 return (ji->type << 8) | ji->data.table->table_size;
1183         case MONO_PATCH_INFO_GSHAREDVT_METHOD:
1184                 return (ji->type << 8) | (gssize)ji->data.gsharedvt_method->method;
1185         case MONO_PATCH_INFO_OBJC_SELECTOR_REF:
1186                 /* Hash on the selector name */
1187                 return g_str_hash (ji->data.target);
1188         case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
1189                 return (ji->type << 8) | (gsize)ji->data.del_tramp->klass | (gsize)ji->data.del_tramp->method | (gsize)ji->data.del_tramp->is_virtual;
1190         case MONO_PATCH_INFO_LDSTR_LIT:
1191                 return g_str_hash (ji->data.target);
1192         case MONO_PATCH_INFO_VIRT_METHOD: {
1193                 MonoJumpInfoVirtMethod *info = ji->data.virt_method;
1194
1195                 return (ji->type << 8) | (gssize)info->klass | (gssize)info->method;
1196         }
1197         case MONO_PATCH_INFO_JIT_ICALL_ADDR:
1198                 return (ji->type << 8) | g_str_hash (ji->data.target);
1199         case MONO_PATCH_INFO_GSHAREDVT_IN_WRAPPER:
1200                 return (ji->type << 8) | mono_signature_hash (ji->data.sig);
1201         default:
1202                 printf ("info type: %d\n", ji->type);
1203                 mono_print_ji (ji); printf ("\n");
1204                 g_assert_not_reached ();
1205                 return 0;
1206         }
1207 }
1208
1209 /*
1210  * mono_patch_info_equal:
1211  *
1212  * This might fail to recognize equivalent patches, i.e. floats, so its only
1213  * usable in those cases where this is not a problem, i.e. sharing GOT slots
1214  * in AOT.
1215  */
1216 gint
1217 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
1218 {
1219         const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
1220         const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
1221
1222         if (ji1->type != ji2->type)
1223                 return 0;
1224
1225         switch (ji1->type) {
1226         case MONO_PATCH_INFO_RVA:
1227         case MONO_PATCH_INFO_LDSTR:
1228         case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
1229         case MONO_PATCH_INFO_LDTOKEN:
1230         case MONO_PATCH_INFO_DECLSEC:
1231                 if ((ji1->data.token->image != ji2->data.token->image) ||
1232                         (ji1->data.token->token != ji2->data.token->token) ||
1233                         (ji1->data.token->has_context != ji2->data.token->has_context) ||
1234                         (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
1235                         (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
1236                         return 0;
1237                 break;
1238         case MONO_PATCH_INFO_INTERNAL_METHOD:
1239                 return g_str_equal (ji1->data.name, ji2->data.name);
1240         case MONO_PATCH_INFO_RGCTX_FETCH:
1241         case MONO_PATCH_INFO_RGCTX_SLOT_INDEX: {
1242                 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
1243                 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
1244
1245                 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);
1246         }
1247         case MONO_PATCH_INFO_GSHAREDVT_CALL: {
1248                 MonoJumpInfoGSharedVtCall *c1 = ji1->data.gsharedvt;
1249                 MonoJumpInfoGSharedVtCall *c2 = ji2->data.gsharedvt;
1250
1251                 return c1->sig == c2->sig && c1->method == c2->method;
1252         }
1253         case MONO_PATCH_INFO_GSHAREDVT_METHOD:
1254                 return ji1->data.gsharedvt_method->method == ji2->data.gsharedvt_method->method;
1255         case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
1256                 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;
1257         case MONO_PATCH_INFO_CASTCLASS_CACHE:
1258                 return ji1->data.index == ji2->data.index;
1259         case MONO_PATCH_INFO_VIRT_METHOD:
1260                 return ji1->data.virt_method->klass == ji2->data.virt_method->klass && ji1->data.virt_method->method == ji2->data.virt_method->method;
1261         case MONO_PATCH_INFO_JIT_ICALL_ADDR:
1262                 if (ji1->data.target == ji2->data.target)
1263                         return 1;
1264                 return strcmp (ji1->data.target, ji2->data.target) == 0 ? 1 : 0;
1265         case MONO_PATCH_INFO_GSHAREDVT_IN_WRAPPER:
1266                 return mono_metadata_signature_equal (ji1->data.sig, ji2->data.sig) ? 1 : 0;
1267         default:
1268                 if (ji1->data.target != ji2->data.target)
1269                         return 0;
1270                 break;
1271         }
1272
1273         return 1;
1274 }
1275
1276 gpointer
1277 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors, MonoError *error)
1278 {
1279         unsigned char *ip = patch_info->ip.i + code;
1280         gconstpointer target = NULL;
1281
1282         mono_error_init (error);
1283
1284         switch (patch_info->type) {
1285         case MONO_PATCH_INFO_BB:
1286                 /*
1287                  * FIXME: This could be hit for methods without a prolog. Should use -1
1288                  * but too much code depends on a 0 initial value.
1289                  */
1290                 //g_assert (patch_info->data.bb->native_offset);
1291                 target = patch_info->data.bb->native_offset + code;
1292                 break;
1293         case MONO_PATCH_INFO_ABS:
1294                 target = patch_info->data.target;
1295                 break;
1296         case MONO_PATCH_INFO_LABEL:
1297                 target = patch_info->data.inst->inst_c0 + code;
1298                 break;
1299         case MONO_PATCH_INFO_IP:
1300                 target = ip;
1301                 break;
1302         case MONO_PATCH_INFO_METHOD_REL:
1303                 target = code + patch_info->data.offset;
1304                 break;
1305         case MONO_PATCH_INFO_INTERNAL_METHOD: {
1306                 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
1307                 if (!mi) {
1308                         g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
1309                         g_assert_not_reached ();
1310                 }
1311                 target = mono_icall_get_wrapper (mi);
1312                 break;
1313         }
1314         case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
1315                 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
1316                 if (!mi) {
1317                         g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
1318                         g_assert_not_reached ();
1319                 }
1320                 target = mi->func;
1321                 break;
1322         }
1323         case MONO_PATCH_INFO_METHOD_JUMP:
1324                 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE, error);
1325                 if (!mono_error_ok (error))
1326                         return NULL;
1327                 break;
1328         case MONO_PATCH_INFO_METHOD:
1329                 if (patch_info->data.method == method) {
1330                         target = code;
1331                 } else {
1332                         /* get the trampoline to the method from the domain */
1333                         target = mono_create_jit_trampoline (domain, patch_info->data.method, error);
1334                         if (!mono_error_ok (error))
1335                                 return NULL;
1336                 }
1337                 break;
1338         case MONO_PATCH_INFO_METHOD_CODE_SLOT: {
1339                 gpointer code_slot;
1340
1341                 mono_domain_lock (domain);
1342                 if (!domain_jit_info (domain)->method_code_hash)
1343                         domain_jit_info (domain)->method_code_hash = g_hash_table_new (NULL, NULL);
1344                 code_slot = g_hash_table_lookup (domain_jit_info (domain)->method_code_hash, patch_info->data.method);
1345                 if (!code_slot) {
1346                         code_slot = mono_domain_alloc0 (domain, sizeof (gpointer));
1347                         g_hash_table_insert (domain_jit_info (domain)->method_code_hash, patch_info->data.method, code_slot);
1348                 }
1349                 mono_domain_unlock (domain);
1350                 target = code_slot;
1351                 break;
1352         }
1353         case MONO_PATCH_INFO_GC_SAFE_POINT_FLAG:
1354 #if defined(__native_client_codegen__)
1355                 target = (gpointer)&__nacl_thread_suspension_needed;
1356 #else
1357                 g_assert (mono_threads_is_coop_enabled ());
1358                 target = (gpointer)&mono_polling_required;
1359 #endif
1360                 break;
1361         case MONO_PATCH_INFO_SWITCH: {
1362                 gpointer *jump_table;
1363                 int i;
1364 #if defined(__native_client__) && defined(__native_client_codegen__)
1365                 /* This memory will leak, but we don't care if we're */
1366                 /* not deleting JIT'd methods anyway                 */
1367                 jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
1368 #else
1369                 if (method && method->dynamic) {
1370                         jump_table = (void **)mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
1371                 } else {
1372                         if (mono_aot_only) {
1373                                 jump_table = (void **)mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
1374                         } else {
1375                                 jump_table = (void **)mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
1376                         }
1377                 }
1378 #endif
1379
1380                 for (i = 0; i < patch_info->data.table->table_size; i++) {
1381                         jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
1382                 }
1383
1384                 target = jump_table;
1385                 break;
1386         }
1387         case MONO_PATCH_INFO_METHODCONST:
1388         case MONO_PATCH_INFO_CLASS:
1389         case MONO_PATCH_INFO_IMAGE:
1390         case MONO_PATCH_INFO_FIELD:
1391         case MONO_PATCH_INFO_SIGNATURE:
1392         case MONO_PATCH_INFO_AOT_MODULE:
1393                 target = patch_info->data.target;
1394                 break;
1395         case MONO_PATCH_INFO_IID:
1396                 mono_class_init (patch_info->data.klass);
1397                 target = GUINT_TO_POINTER (patch_info->data.klass->interface_id);
1398                 break;
1399         case MONO_PATCH_INFO_ADJUSTED_IID:
1400                 mono_class_init (patch_info->data.klass);
1401                 target = GUINT_TO_POINTER ((guint32)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
1402                 break;
1403         case MONO_PATCH_INFO_VTABLE:
1404                 target = mono_class_vtable (domain, patch_info->data.klass);
1405                 g_assert (target);
1406                 break;
1407         case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE: {
1408                 MonoDelegateClassMethodPair *del_tramp = patch_info->data.del_tramp;
1409
1410                 if (del_tramp->is_virtual)
1411                         target = mono_create_delegate_virtual_trampoline (domain, del_tramp->klass, del_tramp->method);
1412                 else
1413                         target = mono_create_delegate_trampoline_info (domain, del_tramp->klass, del_tramp->method);
1414                 break;
1415         }
1416         case MONO_PATCH_INFO_SFLDA: {
1417                 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
1418
1419                 if (mono_class_field_is_special_static (patch_info->data.field)) {
1420                         gpointer addr = NULL;
1421
1422                         mono_domain_lock (domain);
1423                         if (domain->special_static_fields)
1424                                 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
1425                         mono_domain_unlock (domain);
1426                         g_assert (addr);
1427                         return addr;
1428                 }
1429
1430                 g_assert (vtable);
1431                 if (!vtable->initialized && !mono_class_is_before_field_init (vtable->klass) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
1432                         /* Done by the generated code */
1433                         ;
1434                 else {
1435                         if (run_cctors) {
1436                                 if (!mono_runtime_class_init_full (vtable, error)) {
1437                                         return NULL;
1438                                 }
1439                         }
1440                 }
1441                 target = (char*)mono_vtable_get_static_field_data (vtable) + patch_info->data.field->offset;
1442                 break;
1443         }
1444         case MONO_PATCH_INFO_RVA: {
1445                 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
1446                 guint32 rva;
1447
1448                 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
1449                 target = mono_image_rva_map (patch_info->data.token->image, rva);
1450                 break;
1451         }
1452         case MONO_PATCH_INFO_R4:
1453         case MONO_PATCH_INFO_R8:
1454                 target = patch_info->data.target;
1455                 break;
1456         case MONO_PATCH_INFO_EXC_NAME:
1457                 target = patch_info->data.name;
1458                 break;
1459         case MONO_PATCH_INFO_LDSTR:
1460                 target =
1461                         mono_ldstr_checked (domain, patch_info->data.token->image,
1462                                             mono_metadata_token_index (patch_info->data.token->token), error);
1463                 break;
1464         case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
1465                 gpointer handle;
1466                 MonoClass *handle_class;
1467
1468                 handle = mono_ldtoken_checked (patch_info->data.token->image,
1469                                                            patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL, error);
1470                 if (!mono_error_ok (error))
1471                         return NULL;
1472                 mono_class_init (handle_class);
1473                 mono_class_init (mono_class_from_mono_type ((MonoType *)handle));
1474
1475                 target = mono_type_get_object_checked (domain, (MonoType *)handle, error);
1476                 if (!mono_error_ok (error))
1477                         return NULL;
1478                 break;
1479         }
1480         case MONO_PATCH_INFO_LDTOKEN: {
1481                 gpointer handle;
1482                 MonoClass *handle_class;
1483
1484                 handle = mono_ldtoken_checked (patch_info->data.token->image,
1485                                                            patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL, error);
1486                 if (!mono_error_ok (error))
1487                         g_error ("Could not patch ldtoken due to %s", mono_error_get_message (error));
1488                 mono_class_init (handle_class);
1489
1490                 target = handle;
1491                 break;
1492         }
1493         case MONO_PATCH_INFO_DECLSEC:
1494                 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
1495                 break;
1496         case MONO_PATCH_INFO_ICALL_ADDR:
1497         case MONO_PATCH_INFO_ICALL_ADDR_CALL:
1498                 /* run_cctors == 0 -> AOT */
1499                 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
1500                         const char *exc_class;
1501                         const char *exc_arg;
1502
1503                         if (run_cctors) {
1504                                 target = mono_lookup_pinvoke_call (patch_info->data.method, &exc_class, &exc_arg);
1505                                 if (!target) {
1506                                         if (mono_aot_only) {
1507                                                 mono_error_set_exception_instance (error, mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
1508                                                 return NULL;
1509                                         }
1510                                         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));
1511                                 }
1512                         } else {
1513                                 target = NULL;
1514                         }
1515                 } else {
1516                         target = mono_lookup_internal_call (patch_info->data.method);
1517
1518                         if (!target && run_cctors)
1519                                 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
1520                 }
1521                 break;
1522         case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
1523                 target = mono_thread_interruption_request_flag ();
1524                 break;
1525         case MONO_PATCH_INFO_METHOD_RGCTX: {
1526                 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
1527                 g_assert (vtable);
1528
1529                 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
1530                 break;
1531         }
1532         case MONO_PATCH_INFO_RGCTX_SLOT_INDEX: {
1533                 int slot = mini_get_rgctx_entry_slot (patch_info->data.rgctx_entry);
1534
1535                 target = GINT_TO_POINTER (MONO_RGCTX_SLOT_INDEX (slot));
1536                 break;
1537         }
1538         case MONO_PATCH_INFO_BB_OVF:
1539         case MONO_PATCH_INFO_EXC_OVF:
1540         case MONO_PATCH_INFO_GOT_OFFSET:
1541         case MONO_PATCH_INFO_NONE:
1542                 break;
1543         case MONO_PATCH_INFO_RGCTX_FETCH: {
1544                 int slot = mini_get_rgctx_entry_slot (patch_info->data.rgctx_entry);
1545
1546                 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
1547                 break;
1548         }
1549 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
1550         case MONO_PATCH_INFO_SEQ_POINT_INFO:
1551                 if (!run_cctors)
1552                         /* AOT, not needed */
1553                         target = NULL;
1554                 else
1555                         target = mono_arch_get_seq_point_info (domain, code);
1556                 break;
1557 #endif
1558         case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
1559                 int card_table_shift_bits;
1560                 gpointer card_table_mask;
1561
1562                 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
1563                 break;
1564         }
1565         case MONO_PATCH_INFO_GC_NURSERY_START: {
1566                 int shift_bits;
1567                 size_t size;
1568
1569                 target = mono_gc_get_nursery (&shift_bits, &size);
1570                 break;
1571         }
1572         case MONO_PATCH_INFO_GC_NURSERY_BITS: {
1573                 int shift_bits;
1574                 size_t size;
1575
1576                 mono_gc_get_nursery (&shift_bits, &size);
1577
1578                 target = (gpointer)(mgreg_t)shift_bits;
1579                 break;
1580         }
1581         case MONO_PATCH_INFO_CASTCLASS_CACHE: {
1582                 target = mono_domain_alloc0 (domain, sizeof (gpointer));
1583                 break;
1584         }
1585         case MONO_PATCH_INFO_OBJC_SELECTOR_REF: {
1586                 target = NULL;
1587                 break;
1588         }
1589         case MONO_PATCH_INFO_LDSTR_LIT: {
1590                 int len;
1591                 char *s;
1592
1593                 len = strlen ((const char *)patch_info->data.target);
1594                 s = (char *)mono_domain_alloc0 (domain, len + 1);
1595                 memcpy (s, patch_info->data.target, len);
1596                 target = s;
1597
1598                 break;
1599         }
1600         case MONO_PATCH_INFO_GSHAREDVT_IN_WRAPPER:
1601                 target = mini_get_gsharedvt_wrapper (TRUE, NULL, patch_info->data.sig, NULL, -1, FALSE);
1602                 break;
1603         case MONO_PATCH_INFO_GET_TLS_TRAMP:
1604                 target = mono_tls_get_tls_getter (patch_info->data.index, FALSE);
1605                 break;
1606         case MONO_PATCH_INFO_SET_TLS_TRAMP:
1607                 target = mono_tls_get_tls_setter (patch_info->data.index, FALSE);
1608                 break;
1609         case MONO_PATCH_INFO_JIT_THREAD_ATTACH: {
1610                 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_jit_thread_attach");
1611                 g_assert (mi);
1612                 target = mi->func;
1613                 break;
1614         }
1615         default:
1616                 g_assert_not_reached ();
1617         }
1618
1619         return (gpointer)target;
1620 }
1621
1622 void
1623 mini_init_gsctx (MonoDomain *domain, MonoMemPool *mp, MonoGenericContext *context, MonoGenericSharingContext *gsctx)
1624 {
1625         MonoGenericInst *inst;
1626         int i;
1627
1628         memset (gsctx, 0, sizeof (MonoGenericSharingContext));
1629
1630         if (context && context->class_inst) {
1631                 inst = context->class_inst;
1632                 for (i = 0; i < inst->type_argc; ++i) {
1633                         MonoType *type = inst->type_argv [i];
1634
1635                         if (mini_is_gsharedvt_gparam (type))
1636                                 gsctx->is_gsharedvt = TRUE;
1637                 }
1638         }
1639         if (context && context->method_inst) {
1640                 inst = context->method_inst;
1641
1642                 for (i = 0; i < inst->type_argc; ++i) {
1643                         MonoType *type = inst->type_argv [i];
1644
1645                         if (mini_is_gsharedvt_gparam (type))
1646                                 gsctx->is_gsharedvt = TRUE;
1647                 }
1648         }
1649 }
1650
1651 /*
1652  * LOCKING: Acquires the jit code hash lock.
1653  */
1654 MonoJitInfo*
1655 mini_lookup_method (MonoDomain *domain, MonoMethod *method, MonoMethod *shared)
1656 {
1657         MonoJitInfo *ji;
1658         static gboolean inited = FALSE;
1659         static int lookups = 0;
1660         static int failed_lookups = 0;
1661
1662         mono_domain_jit_code_hash_lock (domain);
1663         ji = (MonoJitInfo *)mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
1664         if (!ji && shared) {
1665                 /* Try generic sharing */
1666                 ji = (MonoJitInfo *)mono_internal_hash_table_lookup (&domain->jit_code_hash, shared);
1667                 if (ji && !ji->has_generic_jit_info)
1668                         ji = NULL;
1669                 if (!inited) {
1670                         mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
1671                         mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
1672                         inited = TRUE;
1673                 }
1674
1675                 ++lookups;
1676                 if (!ji)
1677                         ++failed_lookups;
1678         }
1679         mono_domain_jit_code_hash_unlock (domain);
1680
1681         return ji;
1682 }
1683
1684 static MonoJitInfo*
1685 lookup_method (MonoDomain *domain, MonoMethod *method)
1686 {
1687         MonoJitInfo *ji;
1688         MonoMethod *shared;
1689
1690         ji = mini_lookup_method (domain, method, NULL);
1691
1692         if (!ji) {
1693                 if (!mono_method_is_generic_sharable (method, FALSE))
1694                         return NULL;
1695                 shared = mini_get_shared_method (method);
1696                 ji = mini_lookup_method (domain, method, shared);
1697         }
1698
1699         return ji;
1700 }
1701
1702 MonoJitInfo *
1703 mono_get_jit_info_from_method (MonoDomain *domain, MonoMethod *method)
1704 {
1705         return lookup_method (domain, method);
1706 }
1707
1708 #if ENABLE_JIT_MAP
1709 static FILE* perf_map_file;
1710
1711 void
1712 mono_enable_jit_map (void)
1713 {
1714         if (!perf_map_file) {
1715                 char name [64];
1716                 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
1717                 unlink (name);
1718                 perf_map_file = fopen (name, "w");
1719         }
1720 }
1721
1722 void
1723 mono_emit_jit_tramp (void *start, int size, const char *desc)
1724 {
1725         if (perf_map_file)
1726                 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
1727 }
1728
1729 void
1730 mono_emit_jit_map (MonoJitInfo *jinfo)
1731 {
1732         if (perf_map_file) {
1733                 char *name = mono_method_full_name (jinfo_get_method (jinfo), TRUE);
1734                 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
1735                 g_free (name);
1736         }
1737 }
1738
1739 gboolean
1740 mono_jit_map_is_enabled (void)
1741 {
1742         return perf_map_file != NULL;
1743 }
1744
1745 #endif
1746
1747 static void
1748 no_gsharedvt_in_wrapper (void)
1749 {
1750         g_assert_not_reached ();
1751 }
1752
1753 static gpointer
1754 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoError *error)
1755 {
1756         MonoDomain *target_domain, *domain = mono_domain_get ();
1757         MonoJitInfo *info;
1758         gpointer code = NULL, p;
1759         MonoJitInfo *ji;
1760         MonoJitICallInfo *callinfo = NULL;
1761         WrapperInfo *winfo = NULL;
1762
1763         mono_error_init (error);
1764
1765         if (mono_llvm_only)
1766                 /* Should be handled by the caller */
1767                 g_assert (!(method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED));
1768
1769         /*
1770          * ICALL wrappers are handled specially, since there is only one copy of them
1771          * shared by all appdomains.
1772          */
1773         if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
1774                 winfo = mono_marshal_get_wrapper_info (method);
1775         if (winfo && winfo->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER) {
1776                 callinfo = mono_find_jit_icall_by_addr (winfo->d.icall.func);
1777                 g_assert (callinfo);
1778
1779                 /* Must be domain neutral since there is only one copy */
1780                 opt |= MONO_OPT_SHARED;
1781         } else {
1782                 /* MONO_OPT_SHARED is no longer supported, we only use it for icall wrappers */
1783                 opt &= ~MONO_OPT_SHARED;
1784         }
1785
1786         if (opt & MONO_OPT_SHARED)
1787                 target_domain = mono_get_root_domain ();
1788         else
1789                 target_domain = domain;
1790
1791         if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
1792                 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
1793
1794                 g_assert (info);
1795                 if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER) {
1796                         MonoGenericContext *ctx = NULL;
1797                         if (method->is_inflated)
1798                                 ctx = mono_method_get_context (method);
1799                         method = info->d.synchronized_inner.method;
1800                         if (ctx) {
1801                                 method = mono_class_inflate_generic_method_checked (method, ctx, error);
1802                                 g_assert (mono_error_ok (error)); /* FIXME don't swallow the error */
1803                         }
1804                 }
1805         }
1806
1807         info = lookup_method (target_domain, method);
1808         if (info) {
1809                 /* We can't use a domain specific method in another domain */
1810                 if (! ((domain != target_domain) && !info->domain_neutral)) {
1811                         MonoVTable *vtable;
1812
1813                         mono_jit_stats.methods_lookups++;
1814                         vtable = mono_class_vtable_full (domain, method->klass, error);
1815                         if (!is_ok (error))
1816                                 return NULL;
1817                         g_assert (vtable);
1818                         if (!mono_runtime_class_init_full (vtable, error))
1819                                 return NULL;
1820                         return mono_create_ftnptr (target_domain, info->code_start);
1821                 }
1822         }
1823
1824 #ifdef MONO_USE_AOT_COMPILER
1825         if (opt & MONO_OPT_AOT) {
1826                 MonoDomain *domain = mono_domain_get ();
1827
1828                 mono_class_init (method->klass);
1829
1830                 if ((code = mono_aot_get_method_checked (domain, method, error))) {
1831                         MonoVTable *vtable;
1832
1833                         if (mono_runtime_is_critical_method (method) || mono_gc_is_critical_method (method)) {
1834                                 /*
1835                                  * The suspend code needs to be able to lookup these methods by ip in async context,
1836                                  * so preload their jit info.
1837                                  */
1838                                 MonoJitInfo *ji = mono_jit_info_table_find (domain, code);
1839                                 g_assert (ji);
1840                         }
1841
1842                         /*
1843                          * In llvm-only mode, method might be a shared method, so we can't initialize its class.
1844                          * This is not a problem, since it will be initialized when the method is first
1845                          * called by init_method ().
1846                          */
1847                         if (!mono_llvm_only) {
1848                                 vtable = mono_class_vtable (domain, method->klass);
1849                                 g_assert (vtable);
1850                                 if (!mono_runtime_class_init_full (vtable, error))
1851                                         return NULL;
1852                         }
1853                 }
1854                 if (!is_ok (error))
1855                         return NULL;
1856         }
1857 #endif
1858
1859         if (!code && mono_llvm_only) {
1860                 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
1861                         WrapperInfo *info = mono_marshal_get_wrapper_info (method);
1862
1863                         if (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN_SIG) {
1864                                 /*
1865                                  * These wrappers are only created for signatures which are in the program, but
1866                                  * sometimes we load methods too eagerly and have to create them even if they
1867                                  * will never be called.
1868                                  */
1869                                 return no_gsharedvt_in_wrapper;
1870                         }
1871                 }
1872         }
1873
1874         if (!code)
1875                 code = mono_jit_compile_method_inner (method, target_domain, opt, error);
1876         if (!mono_error_ok (error))
1877                 return NULL;
1878
1879         if (!code && mono_llvm_only) {
1880                 printf ("AOT method not found in llvmonly mode: %s\n", mono_method_full_name (method, 1));
1881                 g_assert_not_reached ();
1882         }
1883
1884         if (!code)
1885                 return NULL;
1886
1887         if (method->wrapper_type == MONO_WRAPPER_WRITE_BARRIER || method->wrapper_type == MONO_WRAPPER_ALLOC) {
1888                 MonoDomain *d;
1889
1890                 /*
1891                  * SGEN requires the JIT info for these methods to be registered, see is_ip_in_managed_allocator ().
1892                  */
1893                 ji = mini_jit_info_table_find (mono_domain_get (), (char *)code, &d);
1894                 g_assert (ji);
1895         }
1896
1897         p = mono_create_ftnptr (target_domain, code);
1898
1899         if (callinfo) {
1900                 /*mono_register_jit_icall_wrapper takes the loader lock, so we take it on the outside. */
1901                 mono_loader_lock ();
1902                 mono_jit_lock ();
1903                 if (!callinfo->wrapper) {
1904                         callinfo->wrapper = p;
1905                         mono_register_jit_icall_wrapper (callinfo, p);
1906                 }
1907                 mono_jit_unlock ();
1908                 mono_loader_unlock ();
1909         }
1910
1911         return p;
1912 }
1913
1914 gpointer
1915 mono_jit_compile_method (MonoMethod *method, MonoError *error)
1916 {
1917         gpointer code;
1918
1919         code = mono_jit_compile_method_with_opt (method, mono_get_optimizations_for_method (method, default_opt), error);
1920         return code;
1921 }
1922
1923 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
1924 static void
1925 invalidated_delegate_trampoline (char *desc)
1926 {
1927         g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
1928                  "See http://www.mono-project.com/Diagnostic:Delegate for an explanation and ways to fix this.",
1929                  desc);
1930 }
1931 #endif
1932
1933 /*
1934  * mono_jit_free_method:
1935  *
1936  *  Free all memory allocated by the JIT for METHOD.
1937  */
1938 static void
1939 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
1940 {
1941         MonoJitDynamicMethodInfo *ji;
1942         gboolean destroy = TRUE;
1943         GHashTableIter iter;
1944         MonoJumpList *jlist;
1945
1946         g_assert (method->dynamic);
1947
1948         mono_domain_lock (domain);
1949         ji = mono_dynamic_code_hash_lookup (domain, method);
1950         mono_domain_unlock (domain);
1951
1952         if (!ji)
1953                 return;
1954
1955         mono_debug_remove_method (method, domain);
1956         mono_lldb_remove_method (domain, method, ji);
1957
1958         mono_domain_lock (domain);
1959         g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
1960         mono_domain_jit_code_hash_lock (domain);
1961         mono_internal_hash_table_remove (&domain->jit_code_hash, method);
1962         mono_domain_jit_code_hash_unlock (domain);
1963         g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
1964
1965         /* requires the domain lock - took above */
1966         mono_conc_hashtable_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
1967
1968         /* Remove jump targets in this method */
1969         g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash);
1970         while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) {
1971                 GSList *tmp, *remove;
1972
1973                 remove = NULL;
1974                 for (tmp = jlist->list; tmp; tmp = tmp->next) {
1975                         guint8 *ip = (guint8 *)tmp->data;
1976
1977                         if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size)
1978                                 remove = g_slist_prepend (remove, tmp);
1979                 }
1980                 for (tmp = remove; tmp; tmp = tmp->next) {
1981                         jlist->list = g_slist_delete_link ((GSList *)jlist->list, (GSList *)tmp->data);
1982                 }
1983                 g_slist_free (remove);
1984         }
1985         mono_domain_unlock (domain);
1986
1987 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
1988         if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
1989                 /*
1990                  * Instead of freeing the code, change it to call an error routine
1991                  * so people can fix their code.
1992                  */
1993                 char *type = mono_type_full_name (&method->klass->byval_arg);
1994                 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
1995
1996                 g_free (type);
1997                 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
1998                 destroy = FALSE;
1999         }
2000 #endif
2001
2002         /*
2003          * This needs to be done before freeing code_mp, since the code address is the
2004          * key in the table, so if we free the code_mp first, another thread can grab the
2005          * same code address and replace our entry in the table.
2006          */
2007         mono_jit_info_table_remove (domain, ji->ji);
2008
2009         if (destroy)
2010                 mono_code_manager_destroy (ji->code_mp);
2011         g_free (ji);
2012 }
2013
2014 gpointer
2015 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
2016 {
2017         MonoDomain *target_domain;
2018         MonoJitInfo *info;
2019
2020         if (default_opt & MONO_OPT_SHARED)
2021                 target_domain = mono_get_root_domain ();
2022         else
2023                 target_domain = domain;
2024
2025         info = lookup_method (target_domain, method);
2026         if (info) {
2027                 /* We can't use a domain specific method in another domain */
2028                 if (! ((domain != target_domain) && !info->domain_neutral)) {
2029                         mono_jit_stats.methods_lookups++;
2030                         if (ji)
2031                                 *ji = info;
2032                         return info->code_start;
2033                 }
2034         }
2035
2036         if (ji)
2037                 *ji = NULL;
2038         return NULL;
2039 }
2040
2041 static guint32 bisect_opt = 0;
2042 static GHashTable *bisect_methods_hash = NULL;
2043
2044 void
2045 mono_set_bisect_methods (guint32 opt, const char *method_list_filename)
2046 {
2047         FILE *file;
2048         char method_name [2048];
2049
2050         bisect_opt = opt;
2051         bisect_methods_hash = g_hash_table_new (g_str_hash, g_str_equal);
2052         g_assert (bisect_methods_hash);
2053
2054         file = fopen (method_list_filename, "r");
2055         g_assert (file);
2056
2057         while (fgets (method_name, sizeof (method_name), file)) {
2058                 size_t len = strlen (method_name);
2059                 g_assert (len > 0);
2060                 g_assert (method_name [len - 1] == '\n');
2061                 method_name [len - 1] = 0;
2062                 g_hash_table_insert (bisect_methods_hash, g_strdup (method_name), GINT_TO_POINTER (1));
2063         }
2064         g_assert (feof (file));
2065 }
2066
2067 gboolean mono_do_single_method_regression = FALSE;
2068 guint32 mono_single_method_regression_opt = 0;
2069 MonoMethod *mono_current_single_method;
2070 GSList *mono_single_method_list;
2071 GHashTable *mono_single_method_hash;
2072
2073 guint32
2074 mono_get_optimizations_for_method (MonoMethod *method, guint32 default_opt)
2075 {
2076         g_assert (method);
2077
2078         if (bisect_methods_hash) {
2079                 char *name = mono_method_full_name (method, TRUE);
2080                 void *res = g_hash_table_lookup (bisect_methods_hash, name);
2081                 g_free (name);
2082                 if (res)
2083                         return default_opt | bisect_opt;
2084         }
2085         if (!mono_do_single_method_regression)
2086                 return default_opt;
2087         if (!mono_current_single_method) {
2088                 if (!mono_single_method_hash)
2089                         mono_single_method_hash = g_hash_table_new (g_direct_hash, g_direct_equal);
2090                 if (!g_hash_table_lookup (mono_single_method_hash, method)) {
2091                         g_hash_table_insert (mono_single_method_hash, method, method);
2092                         mono_single_method_list = g_slist_prepend (mono_single_method_list, method);
2093                 }
2094                 return default_opt;
2095         }
2096         if (method == mono_current_single_method)
2097                 return mono_single_method_regression_opt;
2098         return default_opt;
2099 }
2100
2101 gpointer
2102 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
2103 {
2104         return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
2105 }
2106
2107 typedef struct {
2108         MonoMethod *method;
2109         gpointer compiled_method;
2110         gpointer runtime_invoke;
2111         MonoVTable *vtable;
2112         MonoDynCallInfo *dyn_call_info;
2113         MonoClass *ret_box_class;
2114         MonoMethodSignature *sig;
2115         gboolean gsharedvt_invoke;
2116         gpointer *wrapper_arg;
2117 } RuntimeInvokeInfo;
2118
2119 static RuntimeInvokeInfo*
2120 create_runtime_invoke_info (MonoDomain *domain, MonoMethod *method, gpointer compiled_method, gboolean callee_gsharedvt, MonoError *error)
2121 {
2122         MonoMethod *invoke;
2123         RuntimeInvokeInfo *info;
2124
2125         info = g_new0 (RuntimeInvokeInfo, 1);
2126         info->compiled_method = compiled_method;
2127         if (mono_llvm_only && method->string_ctor)
2128                 info->sig = mono_marshal_get_string_ctor_signature (method);
2129         else
2130                 info->sig = mono_method_signature (method);
2131
2132         invoke = mono_marshal_get_runtime_invoke (method, FALSE);
2133         info->vtable = mono_class_vtable_full (domain, method->klass, error);
2134         if (!mono_error_ok (error))
2135                 return NULL;
2136         g_assert (info->vtable);
2137
2138         MonoMethodSignature *sig = info->sig;
2139         MonoType *ret_type;
2140
2141         /*
2142          * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
2143          * in full-aot mode, so we use a slower, but more generic wrapper if
2144          * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
2145          */
2146 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
2147         if (!mono_llvm_only && (mono_aot_only || debug_options.dyn_runtime_invoke)) {
2148                 gboolean supported = TRUE;
2149                 int i;
2150
2151                 if (method->string_ctor)
2152                         sig = mono_marshal_get_string_ctor_signature (method);
2153
2154                 for (i = 0; i < sig->param_count; ++i) {
2155                         MonoType *t = sig->params [i];
2156
2157                         if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
2158                                 supported = FALSE;
2159                 }
2160
2161                 if (mono_class_is_contextbound (method->klass) || !info->compiled_method)
2162                         supported = FALSE;
2163
2164                 if (supported)
2165                         info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
2166         }
2167 #endif
2168
2169         ret_type = sig->ret;
2170         switch (ret_type->type) {
2171         case MONO_TYPE_VOID:
2172                 break;
2173         case MONO_TYPE_I1:
2174         case MONO_TYPE_U1:
2175         case MONO_TYPE_I2:
2176         case MONO_TYPE_U2:
2177         case MONO_TYPE_I4:
2178         case MONO_TYPE_U4:
2179         case MONO_TYPE_I:
2180         case MONO_TYPE_U:
2181         case MONO_TYPE_I8:
2182         case MONO_TYPE_U8:
2183         case MONO_TYPE_BOOLEAN:
2184         case MONO_TYPE_CHAR:
2185         case MONO_TYPE_R4:
2186         case MONO_TYPE_R8:
2187                 info->ret_box_class = mono_class_from_mono_type (ret_type);
2188                 break;
2189         case MONO_TYPE_PTR:
2190                 info->ret_box_class = mono_defaults.int_class;
2191                 break;
2192         case MONO_TYPE_STRING:
2193         case MONO_TYPE_CLASS:
2194         case MONO_TYPE_ARRAY:
2195         case MONO_TYPE_SZARRAY:
2196         case MONO_TYPE_OBJECT:
2197                 break;
2198         case MONO_TYPE_GENERICINST:
2199                 if (!MONO_TYPE_IS_REFERENCE (ret_type))
2200                         info->ret_box_class = mono_class_from_mono_type (ret_type);
2201                 break;
2202         case MONO_TYPE_VALUETYPE:
2203                 info->ret_box_class = mono_class_from_mono_type (ret_type);
2204                 break;
2205         default:
2206                 g_assert_not_reached ();
2207                 break;
2208         }
2209
2210         if (!info->dyn_call_info) {
2211                 if (mono_llvm_only) {
2212 #ifndef MONO_ARCH_GSHAREDVT_SUPPORTED
2213                         g_assert_not_reached ();
2214 #endif
2215                         info->gsharedvt_invoke = TRUE;
2216                         if (!callee_gsharedvt) {
2217                                 /* Invoke a gsharedvt out wrapper instead */
2218                                 MonoMethod *wrapper = mini_get_gsharedvt_out_sig_wrapper (sig);
2219                                 MonoMethodSignature *wrapper_sig = mini_get_gsharedvt_out_sig_wrapper_signature (sig->hasthis, sig->ret->type != MONO_TYPE_VOID, sig->param_count);
2220
2221                                 info->wrapper_arg = g_malloc0 (2 * sizeof (gpointer));
2222                                 info->wrapper_arg [0] = mini_add_method_wrappers_llvmonly (method, info->compiled_method, FALSE, FALSE, &(info->wrapper_arg [1]));
2223
2224                                 /* Pass has_rgctx == TRUE since the wrapper has an extra arg */
2225                                 invoke = mono_marshal_get_runtime_invoke_for_sig (wrapper_sig);
2226                                 g_free (wrapper_sig);
2227
2228                                 info->compiled_method = mono_jit_compile_method (wrapper, error);
2229                                 if (!mono_error_ok (error)) {
2230                                         g_free (info);
2231                                         return NULL;
2232                                 }
2233                         } else {
2234                                 /* Gsharedvt methods can be invoked the same way */
2235                                 /* The out wrapper has the same signature as the compiled gsharedvt method */
2236                                 MonoMethodSignature *wrapper_sig = mini_get_gsharedvt_out_sig_wrapper_signature (sig->hasthis, sig->ret->type != MONO_TYPE_VOID, sig->param_count);
2237
2238                                 info->wrapper_arg = mono_method_needs_static_rgctx_invoke (method, TRUE) ? mini_method_get_rgctx (method) : NULL;
2239
2240                                 invoke = mono_marshal_get_runtime_invoke_for_sig (wrapper_sig);
2241                                 g_free (wrapper_sig);
2242                         }
2243                 }
2244                 info->runtime_invoke = mono_jit_compile_method (invoke, error);
2245                 if (!mono_error_ok (error)) {
2246                         g_free (info);
2247                         return NULL;
2248                 }
2249         }
2250
2251         return info;
2252 }
2253
2254 static MonoObject*
2255 mono_llvmonly_runtime_invoke (MonoMethod *method, RuntimeInvokeInfo *info, void *obj, void **params, MonoObject **exc, MonoError *error)
2256 {
2257         MonoMethodSignature *sig = info->sig;
2258         MonoDomain *domain = mono_domain_get ();
2259         MonoObject *(*runtime_invoke) (MonoObject *this_obj, void **params, MonoObject **exc, void* compiled_method);
2260         gpointer *args;
2261         gpointer retval_ptr;
2262         guint8 retval [256];
2263         gpointer *param_refs;
2264         int i, pindex;
2265
2266         mono_error_init (error);
2267
2268         g_assert (info->gsharedvt_invoke);
2269
2270         /*
2271          * Instead of invoking the method directly, we invoke a gsharedvt out wrapper.
2272          * The advantage of this is the gsharedvt out wrappers have a reduced set of
2273          * signatures, so we only have to generate runtime invoke wrappers for these
2274          * signatures.
2275          * This code also handles invocation of gsharedvt methods directly, no
2276          * out wrappers are used in that case.
2277          */
2278         args = (void **)g_alloca ((sig->param_count + sig->hasthis + 2) * sizeof (gpointer));
2279         param_refs = (gpointer*)g_alloca ((sig->param_count + sig->hasthis + 2) * sizeof (gpointer));
2280         pindex = 0;
2281         /*
2282          * The runtime invoke wrappers expects pointers to primitive types, so have to
2283          * use indirections.
2284          */
2285         if (sig->hasthis)
2286                 args [pindex ++] = &obj;
2287         if (sig->ret->type != MONO_TYPE_VOID) {
2288                 retval_ptr = (gpointer)&retval;
2289                 args [pindex ++] = &retval_ptr;
2290         }
2291         for (i = 0; i < sig->param_count; ++i) {
2292                 MonoType *t = sig->params [i];
2293
2294                 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
2295                         MonoClass *klass = mono_class_from_mono_type (t);
2296                         guint8 *nullable_buf;
2297                         int size;
2298
2299                         size = mono_class_value_size (klass, NULL);
2300                         nullable_buf = g_alloca (size);
2301                         g_assert (nullable_buf);
2302
2303                         /* The argument pointed to by params [i] is either a boxed vtype or null */
2304                         mono_nullable_init (nullable_buf, (MonoObject*)params [i], klass);
2305                         params [i] = nullable_buf;
2306                 }
2307
2308                 if (!t->byref && (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR)) {
2309                         param_refs [i] = params [i];
2310                         params [i] = &(param_refs [i]);
2311                 }
2312                 args [pindex ++] = &params [i];
2313         }
2314         /* The gsharedvt out wrapper has an extra argument which contains the method to call */
2315         args [pindex ++] = &info->wrapper_arg;
2316
2317         runtime_invoke = (MonoObject *(*)(MonoObject *, void **, MonoObject **, void *))info->runtime_invoke;
2318
2319         runtime_invoke (NULL, args, exc, info->compiled_method);
2320         if (exc && *exc)
2321                 return NULL;
2322
2323         if (sig->ret->type != MONO_TYPE_VOID && info->ret_box_class)
2324                 return mono_value_box_checked (domain, info->ret_box_class, retval, error);
2325         else
2326                 return *(MonoObject**)retval;
2327 }
2328
2329 /**
2330  * mono_jit_runtime_invoke:
2331  * @method: the method to invoke
2332  * @obj: this pointer
2333  * @params: array of parameter values.
2334  * @exc: Set to the exception raised in the managed method.  If NULL, error is thrown instead.
2335  *       If coop is enabled, this argument is ignored - all exceptoins are caught and propagated
2336  *       through @error
2337  * @error: error or caught exception object
2338  */
2339 static MonoObject*
2340 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc, MonoError *error)
2341 {
2342         MonoMethod *invoke, *callee;
2343         MonoObject *(*runtime_invoke) (MonoObject *this_obj, void **params, MonoObject **exc, void* compiled_method);
2344         MonoDomain *domain = mono_domain_get ();
2345         MonoJitDomainInfo *domain_info;
2346         RuntimeInvokeInfo *info, *info2;
2347         MonoJitInfo *ji = NULL;
2348         gboolean callee_gsharedvt = FALSE;
2349
2350         mono_error_init (error);
2351
2352         if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
2353                 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
2354                 return NULL;
2355         }
2356
2357         domain_info = domain_jit_info (domain);
2358
2359         info = (RuntimeInvokeInfo *)mono_conc_hashtable_lookup (domain_info->runtime_invoke_hash, method);
2360
2361         if (!info) {
2362                 if (mono_security_core_clr_enabled ()) {
2363                         /*
2364                          * This might be redundant since mono_class_vtable () already does this,
2365                          * but keep it just in case for moonlight.
2366                          */
2367                         mono_class_setup_vtable (method->klass);
2368                         if (mono_class_has_failure (method->klass)) {
2369                                 mono_error_set_for_class_failure (error, method->klass);
2370                                 if (exc)
2371                                         *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
2372                                 return NULL;
2373                         }
2374                 }
2375
2376                 gpointer compiled_method;
2377
2378                 callee = method;
2379                 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
2380                         (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
2381                         /*
2382                          * Array Get/Set/Address methods. The JIT implements them using inline code
2383                          * inside the runtime invoke wrappers, so no need to compile them.
2384                          */
2385                         if (mono_aot_only) {
2386                                 /*
2387                                  * Call a wrapper, since the runtime invoke wrapper was not generated.
2388                                  */
2389                                 MonoMethod *wrapper;
2390
2391                                 wrapper = mono_marshal_get_array_accessor_wrapper (method);
2392                                 invoke = mono_marshal_get_runtime_invoke (wrapper, FALSE);
2393                                 callee = wrapper;
2394                         } else {
2395                                 callee = NULL;
2396                         }
2397                 }
2398
2399                 if (callee) {
2400                         compiled_method = mono_jit_compile_method_with_opt (callee, mono_get_optimizations_for_method (callee, default_opt), error);
2401                         if (!compiled_method) {
2402                                 g_assert (!mono_error_ok (error));
2403                                 return NULL;
2404                         }
2405
2406                         if (mono_llvm_only) {
2407                                 ji = mini_jit_info_table_find (mono_domain_get (), (char *)mono_get_addr_from_ftnptr (compiled_method), NULL);
2408                                 callee_gsharedvt = mini_jit_info_is_gsharedvt (ji);
2409                                 if (callee_gsharedvt)
2410                                         callee_gsharedvt = mini_is_gsharedvt_variable_signature (mono_method_signature (jinfo_get_method (ji)));
2411                         }
2412
2413                         if (!callee_gsharedvt)
2414                                 compiled_method = mini_add_method_trampoline (callee, compiled_method, mono_method_needs_static_rgctx_invoke (callee, TRUE), FALSE);
2415                 } else {
2416                         compiled_method = NULL;
2417                 }
2418
2419                 info = create_runtime_invoke_info (domain, method, compiled_method, callee_gsharedvt, error);
2420                 if (!mono_error_ok (error))
2421                         return NULL;
2422
2423                 mono_domain_lock (domain);
2424                 info2 = (RuntimeInvokeInfo *)mono_conc_hashtable_insert (domain_info->runtime_invoke_hash, method, info);
2425                 mono_domain_unlock (domain);
2426                 if (info2) {
2427                         g_free (info);
2428                         info = info2;
2429                 }
2430         }
2431
2432         /*
2433          * We need this here because mono_marshal_get_runtime_invoke can place
2434          * the helper method in System.Object and not the target class.
2435          */
2436         if (!mono_runtime_class_init_full (info->vtable, error)) {
2437                 if (exc)
2438                         *exc = (MonoObject*) mono_error_convert_to_exception (error);
2439                 return NULL;
2440         }
2441
2442         /* If coop is enabled, and the caller didn't ask for the exception to be caught separately,
2443            we always catch the exception and propagate it through the MonoError */
2444         gboolean catchExcInMonoError =
2445                 (exc == NULL) && mono_threads_is_coop_enabled ();
2446         MonoObject *invoke_exc = NULL;
2447         if (catchExcInMonoError)
2448                 exc = &invoke_exc;
2449
2450         /* The wrappers expect this to be initialized to NULL */
2451         if (exc)
2452                 *exc = NULL;
2453
2454 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
2455         if (info->dyn_call_info) {
2456                 MonoMethodSignature *sig = mono_method_signature (method);
2457                 gpointer *args;
2458                 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
2459                 int i, pindex;
2460                 guint8 buf [512];
2461                 guint8 retval [256];
2462
2463                 if (!dyn_runtime_invoke) {
2464                         invoke = mono_marshal_get_runtime_invoke_dynamic ();
2465                         dyn_runtime_invoke = (RuntimeInvokeDynamicFunction)mono_jit_compile_method (invoke, error);
2466                         if (!mono_error_ok (error))
2467                                 return NULL;
2468                 }
2469
2470                 /* Convert the arguments to the format expected by start_dyn_call () */
2471                 args = (void **)g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
2472                 pindex = 0;
2473                 if (sig->hasthis)
2474                         args [pindex ++] = &obj;
2475                 for (i = 0; i < sig->param_count; ++i) {
2476                         MonoType *t = sig->params [i];
2477
2478                         if (t->byref) {
2479                                 args [pindex ++] = &params [i];
2480                         } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
2481                                 args [pindex ++] = &params [i];
2482                         } else {
2483                                 args [pindex ++] = params [i];
2484                         }
2485                 }
2486
2487                 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
2488
2489                 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
2490
2491                 dyn_runtime_invoke (buf, exc, info->compiled_method);
2492                 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
2493
2494                 if (catchExcInMonoError && *exc != NULL) {
2495                         mono_error_set_exception_instance (error, (MonoException*) *exc);
2496                         return NULL;
2497                 }
2498
2499                 if (info->ret_box_class)
2500                         return mono_value_box_checked (domain, info->ret_box_class, retval, error);
2501                 else
2502                         return *(MonoObject**)retval;
2503         }
2504 #endif
2505
2506         MonoObject *result;
2507
2508         if (mono_llvm_only) {
2509                 result = mono_llvmonly_runtime_invoke (method, info, obj, params, exc, error);
2510                 if (!is_ok (error))
2511                         return NULL;
2512         } else {
2513                 runtime_invoke = (MonoObject *(*)(MonoObject *, void **, MonoObject **, void *))info->runtime_invoke;
2514
2515                 result = runtime_invoke ((MonoObject *)obj, params, exc, info->compiled_method);
2516         }
2517         if (catchExcInMonoError && *exc != NULL)
2518                 mono_error_set_exception_instance (error, (MonoException*) *exc);
2519         return result;
2520 }
2521
2522 typedef struct {
2523         MonoVTable *vtable;
2524         int slot;
2525 } IMTTrampInfo;
2526
2527 typedef gpointer (*IMTTrampFunc) (gpointer *arg, MonoMethod *imt_method);
2528
2529 /*
2530  * mini_llvmonly_initial_imt_tramp:
2531  *
2532  *  This function is called the first time a call is made through an IMT trampoline.
2533  * It should have the same signature as the mono_llvmonly_imt_tramp_... functions.
2534  */
2535 static gpointer
2536 mini_llvmonly_initial_imt_tramp (gpointer *arg, MonoMethod *imt_method)
2537 {
2538         IMTTrampInfo *info = (IMTTrampInfo*)arg;
2539         gpointer *imt;
2540         gpointer *ftndesc;
2541         IMTTrampFunc func;
2542
2543         mono_vtable_build_imt_slot (info->vtable, info->slot);
2544
2545         imt = (gpointer*)info->vtable;
2546         imt -= MONO_IMT_SIZE;
2547
2548         /* Return what the real IMT trampoline returns */
2549         ftndesc = imt [info->slot];
2550         func = ftndesc [0];
2551
2552         if (func == (IMTTrampFunc)mini_llvmonly_initial_imt_tramp)
2553                 /* Happens when the imt slot contains only a generic virtual method */
2554                 return NULL;
2555         return func ((gpointer *)ftndesc [1], imt_method);
2556 }
2557
2558 /* This is called indirectly through an imt slot. */
2559 static gpointer
2560 mono_llvmonly_imt_tramp (gpointer *arg, MonoMethod *imt_method)
2561 {
2562         int i = 0;
2563
2564         /* arg points to an array created in mono_llvmonly_get_imt_trampoline () */
2565         while (arg [i] && arg [i] != imt_method)
2566                 i += 2;
2567         g_assert (arg [i]);
2568
2569         return arg [i + 1];
2570 }
2571
2572 /* Optimized versions of mono_llvmonly_imt_trampoline () for different table sizes */
2573 static gpointer
2574 mono_llvmonly_imt_tramp_1 (gpointer *arg, MonoMethod *imt_method)
2575 {
2576         //g_assert (arg [0] == imt_method);
2577         return arg [1];
2578 }
2579
2580 static gpointer
2581 mono_llvmonly_imt_tramp_2 (gpointer *arg, MonoMethod *imt_method)
2582 {
2583         //g_assert (arg [0] == imt_method || arg [2] == imt_method);
2584         if (arg [0] == imt_method)
2585                 return arg [1];
2586         else
2587                 return arg [3];
2588 }
2589
2590 static gpointer
2591 mono_llvmonly_imt_tramp_3 (gpointer *arg, MonoMethod *imt_method)
2592 {
2593         //g_assert (arg [0] == imt_method || arg [2] == imt_method || arg [4] == imt_method);
2594         if (arg [0] == imt_method)
2595                 return arg [1];
2596         else if (arg [2] == imt_method)
2597                 return arg [3];
2598         else
2599                 return arg [5];
2600 }
2601
2602 /*
2603  * A version of the imt trampoline used for generic virtual/variant iface methods.
2604  * Unlikely a normal imt trampoline, its possible that IMT_METHOD is not found
2605  * in the search table. The original JIT code had a 'fallback' trampoline it could
2606  * call, but we can't do that, so we just return NULL, and the compiled code
2607  * will handle it.
2608  */
2609 static gpointer
2610 mono_llvmonly_fallback_imt_tramp (gpointer *arg, MonoMethod *imt_method)
2611 {
2612         int i = 0;
2613
2614         while (arg [i] && arg [i] != imt_method)
2615                 i += 2;
2616         if (!arg [i])
2617                 return NULL;
2618
2619         return arg [i + 1];
2620 }
2621
2622 static gpointer
2623 mono_llvmonly_get_imt_trampoline (MonoVTable *vtable, MonoDomain *domain, MonoIMTCheckItem **imt_entries, int count, gpointer fail_tramp)
2624 {
2625         gpointer *buf;
2626         gpointer *res;
2627         int i, index, real_count;
2628         gboolean virtual_generic = FALSE;
2629
2630         /*
2631          * Create an array which is passed to the imt trampoline functions.
2632          * The array contains MonoMethod-function descriptor pairs, terminated by a NULL entry.
2633          */
2634
2635         real_count = 0;
2636         for (i = 0; i < count; ++i) {
2637                 MonoIMTCheckItem *item = imt_entries [i];
2638
2639                 if (item->is_equals)
2640                         real_count ++;
2641                 if (item->has_target_code)
2642                         virtual_generic = TRUE;
2643         }
2644
2645         /*
2646          * Initialize all vtable entries reachable from this imt slot, so the compiled
2647          * code doesn't have to check it.
2648          */
2649         for (i = 0; i < count; ++i) {
2650                 MonoIMTCheckItem *item = imt_entries [i];
2651                 int vt_slot;
2652
2653                 if (!item->is_equals || item->has_target_code)
2654                         continue;
2655                 vt_slot = item->value.vtable_slot;
2656                 mono_init_vtable_slot (vtable, vt_slot);
2657         }
2658
2659         /* Save the entries into an array */
2660         buf = (void **)mono_domain_alloc (domain, (real_count + 1) * 2 * sizeof (gpointer));
2661         index = 0;
2662         for (i = 0; i < count; ++i) {
2663                 MonoIMTCheckItem *item = imt_entries [i];
2664
2665                 if (!item->is_equals)
2666                         continue;
2667
2668                 g_assert (item->key);
2669                 buf [(index * 2)] = item->key;
2670                 if (item->has_target_code)
2671                         buf [(index * 2) + 1] = item->value.target_code;
2672                 else
2673                         buf [(index * 2) + 1] = vtable->vtable [item->value.vtable_slot];
2674                 index ++;
2675         }
2676         buf [(index * 2)] = NULL;
2677         buf [(index * 2) + 1] = fail_tramp;
2678
2679         /*
2680          * Return a function descriptor for a C function with 'buf' as its argument.
2681          * It will by called by JITted code.
2682          */
2683         res = (void **)mono_domain_alloc (domain, 2 * sizeof (gpointer));
2684         switch (real_count) {
2685         case 1:
2686                 res [0] = mono_llvmonly_imt_tramp_1;
2687                 break;
2688         case 2:
2689                 res [0] = mono_llvmonly_imt_tramp_2;
2690                 break;
2691         case 3:
2692                 res [0] = mono_llvmonly_imt_tramp_3;
2693                 break;
2694         default:
2695                 res [0] = mono_llvmonly_imt_tramp;
2696                 break;
2697         }
2698         if (virtual_generic || fail_tramp)
2699                 res [0] = mono_llvmonly_fallback_imt_tramp;
2700         res [1] = buf;
2701
2702         return res;
2703 }
2704
2705 MONO_SIG_HANDLER_FUNC (, mono_sigfpe_signal_handler)
2706 {
2707         MonoException *exc = NULL;
2708         MonoJitInfo *ji;
2709         MONO_SIG_HANDLER_INFO_TYPE *info = MONO_SIG_HANDLER_GET_INFO ();
2710         MONO_SIG_HANDLER_GET_CONTEXT;
2711
2712         ji = mono_jit_info_table_find_internal (mono_domain_get (), (char *)mono_arch_ip_from_context (ctx), TRUE, TRUE);
2713
2714         MONO_ENTER_GC_UNSAFE_UNBALANCED;
2715
2716 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
2717         if (mono_arch_is_int_overflow (ctx, info))
2718                 /*
2719                  * The spec says this throws ArithmeticException, but MS throws the derived
2720                  * OverflowException.
2721                  */
2722                 exc = mono_get_exception_overflow ();
2723         else
2724                 exc = mono_get_exception_divide_by_zero ();
2725 #else
2726         exc = mono_get_exception_divide_by_zero ();
2727 #endif
2728
2729         if (!ji) {
2730                 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2731                         goto exit;
2732
2733                 mono_handle_native_crash ("SIGFPE", ctx, info);
2734                 if (mono_do_crash_chaining) {
2735                         mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
2736                         goto exit;
2737                 }
2738         }
2739
2740         mono_arch_handle_exception (ctx, exc);
2741
2742 exit:
2743         MONO_EXIT_GC_UNSAFE_UNBALANCED;
2744 }
2745
2746 MONO_SIG_HANDLER_FUNC (, mono_sigill_signal_handler)
2747 {
2748         MONO_SIG_HANDLER_INFO_TYPE *info = MONO_SIG_HANDLER_GET_INFO ();
2749         MONO_SIG_HANDLER_GET_CONTEXT;
2750
2751         if (mono_runtime_get_no_exec ())
2752                 exit (1);
2753
2754
2755         mono_handle_native_crash ("SIGILL", ctx, info);
2756         if (mono_do_crash_chaining) {
2757                 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
2758                 return;
2759         }
2760
2761         g_assert_not_reached ();
2762 }
2763
2764 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
2765 #define HAVE_SIG_INFO
2766 #endif
2767
2768 MONO_SIG_HANDLER_FUNC (, mono_sigsegv_signal_handler)
2769 {
2770         MonoJitInfo *ji;
2771         MonoJitTlsData *jit_tls = (MonoJitTlsData *)mono_tls_get_jit_tls ();
2772         gpointer fault_addr = NULL;
2773 #ifdef HAVE_SIG_INFO
2774         MONO_SIG_HANDLER_INFO_TYPE *info = MONO_SIG_HANDLER_GET_INFO ();
2775 #else
2776         void *info = NULL;
2777 #endif
2778         MONO_SIG_HANDLER_GET_CONTEXT;
2779
2780 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
2781         if (mono_arch_is_single_step_event (info, ctx)) {
2782                 mono_debugger_agent_single_step_event (ctx);
2783                 return;
2784         } else if (mono_arch_is_breakpoint_event (info, ctx)) {
2785                 mono_debugger_agent_breakpoint_hit (ctx);
2786                 return;
2787         }
2788 #endif
2789
2790 #if defined(HAVE_SIG_INFO)
2791 #if !defined(HOST_WIN32)
2792         fault_addr = info->si_addr;
2793         if (mono_aot_is_pagefault (info->si_addr)) {
2794                 mono_aot_handle_pagefault (info->si_addr);
2795                 return;
2796         }
2797 #endif
2798
2799         /* The thread might no be registered with the runtime */
2800         if (!mono_domain_get () || !jit_tls) {
2801                 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2802                         return;
2803                 mono_handle_native_crash ("SIGSEGV", ctx, info);
2804                 if (mono_do_crash_chaining) {
2805                         mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
2806                         return;
2807                 }
2808         }
2809 #endif
2810
2811         ji = mono_jit_info_table_find_internal (mono_domain_get (), (char *)mono_arch_ip_from_context (ctx), TRUE, TRUE);
2812
2813 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
2814         if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, info, (guint8*)info->si_addr))
2815                 return;
2816
2817 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
2818         /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
2819         fault_addr = info->si_addr;
2820         if (fault_addr == NULL) {
2821                 MonoContext mctx;
2822
2823                 mono_sigctx_to_monoctx (ctx, &mctx);
2824
2825                 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
2826         }
2827 #endif
2828
2829         if (jit_tls->stack_size &&
2830                 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
2831                 /*
2832                  * The hard-guard page has been hit: there is not much we can do anymore
2833                  * Print a hopefully clear message and abort.
2834                  */
2835                 mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr);
2836                 g_assert_not_reached ();
2837         } else {
2838                 /* The original handler might not like that it is executed on an altstack... */
2839                 if (!ji && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2840                         return;
2841
2842                 mono_arch_handle_altstack_exception (ctx, info, info->si_addr, FALSE);
2843         }
2844 #else
2845
2846         if (!ji) {
2847                 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
2848                         return;
2849
2850                 mono_handle_native_crash ("SIGSEGV", ctx, info);
2851
2852                 if (mono_do_crash_chaining) {
2853                         mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
2854                         return;
2855                 }
2856         }
2857
2858         mono_arch_handle_exception (ctx, NULL);
2859 #endif
2860 }
2861
2862 MONO_SIG_HANDLER_FUNC (, mono_sigint_signal_handler)
2863 {
2864         MonoException *exc;
2865         MONO_SIG_HANDLER_GET_CONTEXT;
2866
2867         MONO_ENTER_GC_UNSAFE_UNBALANCED;
2868
2869         exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
2870
2871         mono_arch_handle_exception (ctx, exc);
2872
2873         MONO_EXIT_GC_UNSAFE_UNBALANCED;
2874 }
2875
2876 #ifndef DISABLE_REMOTING
2877 /* mono_jit_create_remoting_trampoline:
2878  * @method: pointer to the method info
2879  *
2880  * Creates a trampoline which calls the remoting functions. This
2881  * is used in the vtable of transparent proxies.
2882  *
2883  * Returns: a pointer to the newly created code
2884  */
2885 static gpointer
2886 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target, MonoError *error)
2887 {
2888         MonoMethod *nm;
2889         guint8 *addr = NULL;
2890
2891         mono_error_init (error);
2892
2893         if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
2894                 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
2895                         domain, NULL);
2896         }
2897
2898         if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
2899             (mono_method_signature (method)->hasthis && (mono_class_is_marshalbyref (method->klass) || method->klass == mono_defaults.object_class)))
2900                 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
2901         else
2902                 nm = method;
2903         addr = (guint8 *)mono_compile_method_checked (nm, error);
2904         return_val_if_nok (error, NULL);
2905         return mono_get_addr_from_ftnptr (addr);
2906 }
2907 #endif
2908
2909 static G_GNUC_UNUSED void
2910 no_imt_trampoline (void)
2911 {
2912         g_assert_not_reached ();
2913 }
2914
2915 static G_GNUC_UNUSED void
2916 no_vcall_trampoline (void)
2917 {
2918         g_assert_not_reached ();
2919 }
2920
2921 static gpointer *vtable_trampolines;
2922 static int vtable_trampolines_size;
2923
2924 gpointer
2925 mini_get_vtable_trampoline (MonoVTable *vt, int slot_index)
2926 {
2927         int index = slot_index + MONO_IMT_SIZE;
2928
2929         if (mono_llvm_only) {
2930                 if (slot_index < 0) {
2931                         /* Initialize the IMT trampoline to a 'trampoline' so the generated code doesn't have to initialize it */
2932                         // FIXME: Memory management
2933                         gpointer *ftndesc = g_malloc (2 * sizeof (gpointer));
2934                         IMTTrampInfo *info = g_new0 (IMTTrampInfo, 1);
2935                         info->vtable = vt;
2936                         info->slot = index;
2937                         ftndesc [0] = mini_llvmonly_initial_imt_tramp;
2938                         ftndesc [1] = info;
2939                         mono_memory_barrier ();
2940                         return ftndesc;
2941                 } else {
2942                         return NULL;
2943                 }
2944         }
2945
2946         g_assert (slot_index >= - MONO_IMT_SIZE);
2947         if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
2948                 mono_jit_lock ();
2949                 if (!vtable_trampolines || index >= vtable_trampolines_size) {
2950                         int new_size;
2951                         gpointer new_table;
2952
2953                         new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
2954                         while (new_size <= index)
2955                                 new_size *= 2;
2956                         new_table = g_new0 (gpointer, new_size);
2957
2958                         if (vtable_trampolines)
2959                                 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
2960                         g_free (vtable_trampolines);
2961                         mono_memory_barrier ();
2962                         vtable_trampolines = (void **)new_table;
2963                         vtable_trampolines_size = new_size;
2964                 }
2965                 mono_jit_unlock ();
2966         }
2967
2968         if (!vtable_trampolines [index])
2969                 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
2970         return vtable_trampolines [index];
2971 }
2972
2973 static gpointer
2974 mini_get_imt_trampoline (MonoVTable *vt, int slot_index)
2975 {
2976         return mini_get_vtable_trampoline (vt, slot_index - MONO_IMT_SIZE);
2977 }
2978
2979 static gboolean
2980 mini_imt_entry_inited (MonoVTable *vt, int imt_slot_index)
2981 {
2982         if (mono_llvm_only)
2983                 return FALSE;
2984
2985         gpointer *imt = (gpointer*)vt;
2986         imt -= MONO_IMT_SIZE;
2987
2988         return (imt [imt_slot_index] != mini_get_imt_trampoline (vt, imt_slot_index));
2989 }
2990
2991 static gboolean
2992 is_callee_gsharedvt_variable (gpointer addr)
2993 {
2994         MonoJitInfo *ji;
2995         gboolean callee_gsharedvt;
2996
2997         ji = mini_jit_info_table_find (mono_domain_get (), (char *)mono_get_addr_from_ftnptr (addr), NULL);
2998         g_assert (ji);
2999         callee_gsharedvt = mini_jit_info_is_gsharedvt (ji);
3000         if (callee_gsharedvt)
3001                 callee_gsharedvt = mini_is_gsharedvt_variable_signature (mono_method_signature (jinfo_get_method (ji)));
3002         return callee_gsharedvt;
3003 }
3004
3005 gpointer
3006 mini_get_delegate_arg (MonoMethod *method, gpointer method_ptr)
3007 {
3008         gpointer arg = NULL;
3009
3010         if (mono_method_needs_static_rgctx_invoke (method, FALSE))
3011                 arg = mini_method_get_rgctx (method);
3012
3013         /*
3014          * Avoid adding gsharedvt in wrappers since they might not exist if
3015          * this delegate is called through a gsharedvt delegate invoke wrapper.
3016          * Instead, encode that the method is gsharedvt in del->extra_arg,
3017          * the CEE_MONO_CALLI_EXTRA_ARG implementation in the JIT depends on this.
3018          */
3019         if (method->is_inflated && is_callee_gsharedvt_variable (method_ptr)) {
3020                 g_assert ((((mgreg_t)arg) & 1) == 0);
3021                 arg = (gpointer)(((mgreg_t)arg) | 1);
3022         }
3023         return arg;
3024 }
3025
3026 void
3027 mini_init_delegate (MonoDelegate *del)
3028 {
3029         if (mono_llvm_only)
3030                 del->extra_arg = mini_get_delegate_arg (del->method, del->method_ptr);
3031 }
3032
3033 char*
3034 mono_get_delegate_virtual_invoke_impl_name (gboolean load_imt_reg, int offset)
3035 {
3036         int abs_offset;
3037
3038         abs_offset = offset;
3039         if (abs_offset < 0)
3040                 abs_offset = - abs_offset;
3041         return g_strdup_printf ("delegate_virtual_invoke%s_%s%d", load_imt_reg ? "_imt" : "", offset < 0 ? "m_" : "", abs_offset / SIZEOF_VOID_P);
3042 }
3043
3044 gpointer
3045 mono_get_delegate_virtual_invoke_impl (MonoMethodSignature *sig, MonoMethod *method)
3046 {
3047         gboolean is_virtual_generic, is_interface, load_imt_reg;
3048         int offset, idx;
3049
3050         static guint8 **cache = NULL;
3051         static int cache_size = 0;
3052
3053         if (!method)
3054                 return NULL;
3055
3056         if (MONO_TYPE_ISSTRUCT (sig->ret))
3057                 return NULL;
3058
3059         is_virtual_generic = method->is_inflated && mono_method_get_declaring_generic_method (method)->is_generic;
3060         is_interface = mono_class_is_interface (method->klass);
3061         load_imt_reg = is_virtual_generic || is_interface;
3062
3063         if (is_interface)
3064                 offset = ((gint32)mono_method_get_imt_slot (method) - MONO_IMT_SIZE) * SIZEOF_VOID_P;
3065         else
3066                 offset = G_STRUCT_OFFSET (MonoVTable, vtable) + ((mono_method_get_vtable_index (method)) * (SIZEOF_VOID_P));
3067
3068         idx = (offset / SIZEOF_VOID_P + MONO_IMT_SIZE) * 2 + (load_imt_reg ? 1 : 0);
3069         g_assert (idx >= 0);
3070
3071         /* Resize the cache to idx + 1 */
3072         if (cache_size < idx + 1) {
3073                 mono_jit_lock ();
3074                 if (cache_size < idx + 1) {
3075                         guint8 **new_cache;
3076                         int new_cache_size = idx + 1;
3077
3078                         new_cache = g_new0 (guint8*, new_cache_size);
3079                         if (cache)
3080                                 memcpy (new_cache, cache, cache_size * sizeof (guint8*));
3081                         g_free (cache);
3082
3083                         mono_memory_barrier ();
3084                         cache = new_cache;
3085                         cache_size = new_cache_size;
3086                 }
3087                 mono_jit_unlock ();
3088         }
3089
3090         if (cache [idx])
3091                 return cache [idx];
3092
3093         /* FIXME Support more cases */
3094         if (mono_aot_only) {
3095                 cache [idx] = (guint8 *)mono_aot_get_trampoline (mono_get_delegate_virtual_invoke_impl_name (load_imt_reg, offset));
3096                 g_assert (cache [idx]);
3097         } else {
3098                 cache [idx] = (guint8 *)mono_arch_get_delegate_virtual_invoke_impl (sig, method, offset, load_imt_reg);
3099         }
3100         return cache [idx];
3101 }
3102
3103 /**
3104  * mini_parse_debug_option:
3105  * @option: The option to parse.
3106  *
3107  * Parses debug options for the mono runtime. The options are the same as for
3108  * the MONO_DEBUG environment variable.
3109  *
3110  */
3111 gboolean
3112 mini_parse_debug_option (const char *option)
3113 {
3114         if (!strcmp (option, "handle-sigint"))
3115                 debug_options.handle_sigint = TRUE;
3116         else if (!strcmp (option, "keep-delegates"))
3117                 debug_options.keep_delegates = TRUE;
3118         else if (!strcmp (option, "reverse-pinvoke-exceptions"))
3119                 debug_options.reverse_pinvoke_exceptions = TRUE;
3120         else if (!strcmp (option, "collect-pagefault-stats"))
3121                 debug_options.collect_pagefault_stats = TRUE;
3122         else if (!strcmp (option, "break-on-unverified"))
3123                 debug_options.break_on_unverified = TRUE;
3124         else if (!strcmp (option, "no-gdb-backtrace"))
3125                 debug_options.no_gdb_backtrace = TRUE;
3126         else if (!strcmp (option, "suspend-on-sigsegv"))
3127                 debug_options.suspend_on_sigsegv = TRUE;
3128         else if (!strcmp (option, "suspend-on-exception"))
3129                 debug_options.suspend_on_exception = TRUE;
3130         else if (!strcmp (option, "suspend-on-unhandled"))
3131                 debug_options.suspend_on_unhandled = TRUE;
3132         else if (!strcmp (option, "dont-free-domains"))
3133                 mono_dont_free_domains = TRUE;
3134         else if (!strcmp (option, "dyn-runtime-invoke"))
3135                 debug_options.dyn_runtime_invoke = TRUE;
3136         else if (!strcmp (option, "gdb"))
3137                 debug_options.gdb = TRUE;
3138         else if (!strcmp (option, "lldb"))
3139                 debug_options.lldb = TRUE;
3140         else if (!strcmp (option, "explicit-null-checks"))
3141                 debug_options.explicit_null_checks = TRUE;
3142         else if (!strcmp (option, "gen-seq-points"))
3143                 debug_options.gen_sdb_seq_points = TRUE;
3144         else if (!strcmp (option, "gen-compact-seq-points"))
3145                 fprintf (stderr, "Mono Warning: option gen-compact-seq-points is deprecated.\n");
3146         else if (!strcmp (option, "no-compact-seq-points"))
3147                 debug_options.no_seq_points_compact_data = TRUE;
3148         else if (!strcmp (option, "single-imm-size"))
3149                 debug_options.single_imm_size = TRUE;
3150         else if (!strcmp (option, "init-stacks"))
3151                 debug_options.init_stacks = TRUE;
3152         else if (!strcmp (option, "casts"))
3153                 debug_options.better_cast_details = TRUE;
3154         else if (!strcmp (option, "soft-breakpoints"))
3155                 debug_options.soft_breakpoints = TRUE;
3156         else if (!strcmp (option, "check-pinvoke-callconv"))
3157                 debug_options.check_pinvoke_callconv = TRUE;
3158         else if (!strcmp (option, "use-fallback-tls"))
3159                 debug_options.use_fallback_tls = TRUE;
3160         else if (!strcmp (option, "debug-domain-unload"))
3161                 mono_enable_debug_domain_unload (TRUE);
3162         else if (!strcmp (option, "partial-sharing"))
3163                 mono_set_partial_sharing_supported (TRUE);
3164         else if (!strcmp (option, "align-small-structs"))
3165                 mono_align_small_structs = TRUE;
3166         else if (!strcmp (option, "native-debugger-break"))
3167                 debug_options.native_debugger_break = TRUE;
3168         else if (!strcmp (option, "disable_omit_fp"))
3169                 debug_options.disable_omit_fp = TRUE;
3170         else
3171                 return FALSE;
3172
3173         return TRUE;
3174 }
3175
3176 static void
3177 mini_parse_debug_options (void)
3178 {
3179         const char *options = g_getenv ("MONO_DEBUG");
3180         gchar **args, **ptr;
3181
3182         if (!options)
3183                 return;
3184
3185         args = g_strsplit (options, ",", -1);
3186
3187         for (ptr = args; ptr && *ptr; ptr++) {
3188                 const char *arg = *ptr;
3189
3190                 if (!mini_parse_debug_option (arg)) {
3191                         fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
3192                         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");
3193                         exit (1);
3194                 }
3195         }
3196
3197         g_strfreev (args);
3198 }
3199
3200 MonoDebugOptions *
3201 mini_get_debug_options (void)
3202 {
3203         return &debug_options;
3204 }
3205
3206 static gpointer
3207 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
3208 {
3209 #if !defined(__ia64__) && (!defined(__ppc64__) && !defined(__powerpc64__) || _CALL_ELF == 2)
3210         return addr;
3211 #else
3212         gpointer* desc = NULL;
3213
3214         if ((desc = g_hash_table_lookup (domain->ftnptrs_hash, addr)))
3215                 return desc;
3216 #       ifdef __ia64__
3217         desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
3218
3219         desc [0] = addr;
3220         desc [1] = NULL;
3221 #       elif defined(__ppc64__) || defined(__powerpc64__)
3222
3223         desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
3224
3225         desc [0] = addr;
3226         desc [1] = NULL;
3227         desc [2] = NULL;
3228 #       endif
3229         g_hash_table_insert (domain->ftnptrs_hash, addr, desc);
3230         return desc;
3231 #endif
3232 }
3233
3234 static gpointer
3235 mini_get_addr_from_ftnptr (gpointer descr)
3236 {
3237 #if defined(__ia64__) || ((defined(__ppc64__) || defined(__powerpc64__)) && _CALL_ELF != 2)
3238         return *(gpointer*)descr;
3239 #else
3240         return descr;
3241 #endif
3242 }
3243
3244 static void
3245 register_jit_stats (void)
3246 {
3247         mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_compiled);
3248         mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_aot);
3249         mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
3250         mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
3251         mono_counters_register ("JIT/method_to_ir (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_method_to_ir);
3252         mono_counters_register ("JIT/liveness_handle_exception_clauses (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_liveness_handle_exception_clauses);
3253         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);
3254         mono_counters_register ("JIT/decompose_long_opts (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_decompose_long_opts);
3255         mono_counters_register ("JIT/decompose_typechecks (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_decompose_typechecks);
3256         mono_counters_register ("JIT/local_cprop (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_local_cprop);
3257         mono_counters_register ("JIT/local_emulate_ops (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_local_emulate_ops);
3258         mono_counters_register ("JIT/optimize_branches (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_optimize_branches);
3259         mono_counters_register ("JIT/handle_global_vregs (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_handle_global_vregs);
3260         mono_counters_register ("JIT/local_deadce (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_local_deadce);
3261         mono_counters_register ("JIT/local_alias_analysis (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_local_alias_analysis);
3262         mono_counters_register ("JIT/if_conversion (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_if_conversion);
3263         mono_counters_register ("JIT/bb_ordering (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_bb_ordering);
3264         mono_counters_register ("JIT/compile_dominator_info (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_compile_dominator_info);
3265         mono_counters_register ("JIT/compute_natural_loops (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_compute_natural_loops);
3266         mono_counters_register ("JIT/insert_safepoints (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_insert_safepoints);
3267         mono_counters_register ("JIT/ssa_compute (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_ssa_compute);
3268         mono_counters_register ("JIT/ssa_cprop (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_ssa_cprop);
3269         mono_counters_register ("JIT/ssa_deadce(sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_ssa_deadce);
3270         mono_counters_register ("JIT/perform_abc_removal (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_perform_abc_removal);
3271         mono_counters_register ("JIT/ssa_remove (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_ssa_remove);
3272         mono_counters_register ("JIT/local_cprop2 (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_local_cprop2);
3273         mono_counters_register ("JIT/handle_global_vregs2 (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_handle_global_vregs2);
3274         mono_counters_register ("JIT/local_deadce2 (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_local_deadce2);
3275         mono_counters_register ("JIT/optimize_branches2 (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_optimize_branches2);
3276         mono_counters_register ("JIT/decompose_vtype_opts (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_decompose_vtype_opts);
3277         mono_counters_register ("JIT/decompose_array_access_opts (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_decompose_array_access_opts);
3278         mono_counters_register ("JIT/liveness_handle_exception_clauses2 (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_liveness_handle_exception_clauses2);
3279         mono_counters_register ("JIT/analyze_liveness (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_analyze_liveness);
3280         mono_counters_register ("JIT/linear_scan (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_linear_scan);
3281         mono_counters_register ("JIT/arch_allocate_vars (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_arch_allocate_vars);
3282         mono_counters_register ("JIT/spill_global_vars (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_spill_global_vars);
3283         mono_counters_register ("JIT/local_cprop3 (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_local_cprop3);
3284         mono_counters_register ("JIT/local_deadce3 (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_local_deadce3);
3285         mono_counters_register ("JIT/codegen (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_codegen);
3286         mono_counters_register ("JIT/create_jit_info (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_create_jit_info);
3287         mono_counters_register ("JIT/gc_create_gc_map (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_gc_create_gc_map);
3288         mono_counters_register ("JIT/save_seq_point_info (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_save_seq_point_info);
3289         mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
3290         mono_counters_register ("Basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.basic_blocks);
3291         mono_counters_register ("Max basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.max_basic_blocks);
3292         mono_counters_register ("Allocated vars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocate_var);
3293         mono_counters_register ("Code reallocs", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.code_reallocs);
3294         mono_counters_register ("Allocated code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_code_size);
3295         mono_counters_register ("Allocated seq points size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_seq_points_size);
3296         mono_counters_register ("Inlineable methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlineable_methods);
3297         mono_counters_register ("Inlined methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlined_methods);
3298         mono_counters_register ("Regvars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.regvars);
3299         mono_counters_register ("Locals stack size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.locals_stack_size);
3300         mono_counters_register ("Method cache lookups", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_lookups);
3301         mono_counters_register ("Compiled CIL code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.cil_code_size);
3302         mono_counters_register ("Native code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.native_code_size);
3303         mono_counters_register ("Aliases found", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_found);
3304         mono_counters_register ("Aliases eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_removed);
3305         mono_counters_register ("Aliased loads eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.loads_eliminated);
3306         mono_counters_register ("Aliased stores eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.stores_eliminated);
3307         mono_counters_register ("Optimized immediate divisions", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.optimized_divisions);
3308 }
3309
3310 static void runtime_invoke_info_free (gpointer value);
3311
3312 static gint
3313 class_method_pair_equal (gconstpointer ka, gconstpointer kb)
3314 {
3315         const MonoClassMethodPair *apair = (const MonoClassMethodPair *)ka;
3316         const MonoClassMethodPair *bpair = (const MonoClassMethodPair *)kb;
3317
3318         return apair->klass == bpair->klass && apair->method == bpair->method ? 1 : 0;
3319 }
3320
3321 static guint
3322 class_method_pair_hash (gconstpointer data)
3323 {
3324         const MonoClassMethodPair *pair = (const MonoClassMethodPair *)data;
3325
3326         return (gsize)pair->klass ^ (gsize)pair->method;
3327 }
3328
3329 static void
3330 mini_create_jit_domain_info (MonoDomain *domain)
3331 {
3332         MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
3333
3334         info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
3335         info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
3336         info->delegate_trampoline_hash = g_hash_table_new (class_method_pair_hash, class_method_pair_equal);
3337         info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
3338         info->runtime_invoke_hash = mono_conc_hashtable_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
3339         info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, mono_seq_point_info_free);
3340         info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
3341         info->jump_target_hash = g_hash_table_new (NULL, NULL);
3342
3343         domain->runtime_info = info;
3344 }
3345
3346 static void
3347 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
3348 {
3349         MonoJumpList *jlist = (MonoJumpList *)value;
3350         g_slist_free (jlist->list);
3351 }
3352
3353 static void
3354 delete_got_slot_list (gpointer key, gpointer value, gpointer user_data)
3355 {
3356         GSList *list = (GSList *)value;
3357         g_slist_free (list);
3358 }
3359
3360 static void
3361 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
3362 {
3363         MonoJitDynamicMethodInfo *di = (MonoJitDynamicMethodInfo *)value;
3364         mono_code_manager_destroy (di->code_mp);
3365         g_free (di);
3366 }
3367
3368 static void
3369 runtime_invoke_info_free (gpointer value)
3370 {
3371         RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
3372
3373 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
3374         if (info->dyn_call_info)
3375                 mono_arch_dyn_call_free (info->dyn_call_info);
3376 #endif
3377         g_free (info);
3378 }
3379
3380 static void
3381 free_jit_callee_list (gpointer key, gpointer value, gpointer user_data)
3382 {
3383         g_slist_free (value);
3384 }
3385
3386 static void
3387 mini_free_jit_domain_info (MonoDomain *domain)
3388 {
3389         MonoJitDomainInfo *info = domain_jit_info (domain);
3390
3391         g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
3392         g_hash_table_destroy (info->jump_target_hash);
3393         if (info->jump_target_got_slot_hash) {
3394                 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_got_slot_list, NULL);
3395                 g_hash_table_destroy (info->jump_target_got_slot_hash);
3396         }
3397         if (info->dynamic_code_hash) {
3398                 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
3399                 g_hash_table_destroy (info->dynamic_code_hash);
3400         }
3401         if (info->method_code_hash)
3402                 g_hash_table_destroy (info->method_code_hash);
3403         g_hash_table_destroy (info->jump_trampoline_hash);
3404         g_hash_table_destroy (info->jit_trampoline_hash);
3405         g_hash_table_destroy (info->delegate_trampoline_hash);
3406         if (info->static_rgctx_trampoline_hash)
3407                 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
3408         g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
3409         mono_conc_hashtable_destroy (info->runtime_invoke_hash);
3410         g_hash_table_destroy (info->seq_points);
3411         g_hash_table_destroy (info->arch_seq_points);
3412         if (info->agent_info)
3413                 mono_debugger_agent_free_domain_info (domain);
3414         if (info->gsharedvt_arg_tramp_hash)
3415                 g_hash_table_destroy (info->gsharedvt_arg_tramp_hash);
3416         if (info->llvm_jit_callees) {
3417                 g_hash_table_foreach (info->llvm_jit_callees, free_jit_callee_list, NULL);
3418                 g_hash_table_destroy (info->llvm_jit_callees);
3419         }
3420 #ifdef ENABLE_LLVM
3421         mono_llvm_free_domain_info (domain);
3422 #endif
3423
3424         g_free (domain->runtime_info);
3425         domain->runtime_info = NULL;
3426 }
3427
3428 #ifdef MONO_ARCH_HAVE_CODE_CHUNK_TRACKING
3429
3430 static void
3431 code_manager_chunk_new (void *chunk, int size)
3432 {
3433         mono_arch_code_chunk_new (chunk, size);
3434 }
3435
3436 static void
3437 code_manager_chunk_destroy (void *chunk)
3438 {
3439         mono_arch_code_chunk_destroy (chunk);
3440 }
3441
3442 #endif
3443
3444 #ifdef ENABLE_LLVM
3445 static gboolean
3446 llvm_init_inner (void)
3447 {
3448         if (!mono_llvm_load (NULL))
3449                 return FALSE;
3450
3451         mono_llvm_init ();
3452         return TRUE;
3453 }
3454 #endif
3455
3456 /*
3457  * mini_llvm_init:
3458  *
3459  *   Load and initialize LLVM support.
3460  * Return TRUE on success.
3461  */
3462 gboolean
3463 mini_llvm_init (void)
3464 {
3465 #ifdef ENABLE_LLVM
3466         static gboolean llvm_inited;
3467         static gboolean init_result;
3468
3469         mono_loader_lock_if_inited ();
3470         if (!llvm_inited) {
3471                 init_result = llvm_init_inner ();
3472                 llvm_inited = TRUE;
3473         }
3474         mono_loader_unlock_if_inited ();
3475         return init_result;
3476 #else
3477         return FALSE;
3478 #endif
3479 }
3480
3481 MonoDomain *
3482 mini_init (const char *filename, const char *runtime_version)
3483 {
3484         MonoError error;
3485         MonoDomain *domain;
3486         MonoRuntimeCallbacks callbacks;
3487         MonoThreadInfoRuntimeCallbacks ticallbacks;
3488         MonoCodeManagerCallbacks code_manager_callbacks;
3489
3490         MONO_VES_INIT_BEGIN ();
3491
3492         CHECKED_MONO_INIT ();
3493
3494 #if defined(__linux__) && !defined(__native_client__)
3495         if (access ("/proc/self/maps", F_OK) != 0) {
3496                 g_print ("Mono requires /proc to be mounted.\n");
3497                 exit (1);
3498         }
3499 #endif
3500
3501         mono_os_mutex_init_recursive (&jit_mutex);
3502
3503         mono_cross_helpers_run ();
3504
3505         mono_counters_init ();
3506
3507         mini_jit_init ();
3508
3509         /* Happens when using the embedding interface */
3510         if (!default_opt_set)
3511                 default_opt = mono_parse_default_optimizations (NULL);
3512
3513 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
3514         if (mono_aot_only)
3515                 mono_set_generic_sharing_vt_supported (TRUE);
3516 #else
3517         if (mono_llvm_only)
3518                 mono_set_generic_sharing_vt_supported (TRUE);
3519 #endif
3520
3521         mono_tls_init_runtime_keys ();
3522
3523         if (!global_codeman)
3524                 global_codeman = mono_code_manager_new ();
3525
3526         memset (&callbacks, 0, sizeof (callbacks));
3527         callbacks.create_ftnptr = mini_create_ftnptr;
3528         callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
3529         callbacks.get_runtime_build_info = mono_get_runtime_build_info;
3530         callbacks.set_cast_details = mono_set_cast_details;
3531         callbacks.debug_log = mono_debugger_agent_debug_log;
3532         callbacks.debug_log_is_enabled = mono_debugger_agent_debug_log_is_enabled;
3533         callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
3534         callbacks.get_imt_trampoline = mini_get_imt_trampoline;
3535         callbacks.imt_entry_inited = mini_imt_entry_inited;
3536         callbacks.init_delegate = mini_init_delegate;
3537 #define JIT_INVOKE_WORKS
3538 #ifdef JIT_INVOKE_WORKS
3539         callbacks.runtime_invoke = mono_jit_runtime_invoke;
3540 #endif
3541 #define JIT_TRAMPOLINES_WORK
3542 #ifdef JIT_TRAMPOLINES_WORK
3543         callbacks.compile_method = mono_jit_compile_method;
3544         callbacks.create_jump_trampoline = mono_create_jump_trampoline;
3545         callbacks.create_jit_trampoline = mono_create_jit_trampoline;
3546         callbacks.create_delegate_trampoline = mono_create_delegate_trampoline;
3547         callbacks.free_method = mono_jit_free_method;
3548 #ifndef DISABLE_REMOTING
3549         callbacks.create_remoting_trampoline = mono_jit_create_remoting_trampoline;
3550 #endif
3551 #endif
3552
3553         mono_install_callbacks (&callbacks);
3554
3555         memset (&ticallbacks, 0, sizeof (ticallbacks));
3556         ticallbacks.setup_async_callback = mono_setup_async_callback;
3557         ticallbacks.thread_state_init_from_sigctx = mono_thread_state_init_from_sigctx;
3558         ticallbacks.thread_state_init_from_handle = mono_thread_state_init_from_handle;
3559         ticallbacks.thread_state_init = mono_thread_state_init;
3560
3561 #ifndef HOST_WIN32
3562         mono_w32handle_init ();
3563 #endif
3564
3565         mono_threads_runtime_init (&ticallbacks);
3566
3567         if (g_getenv ("MONO_DEBUG") != NULL)
3568                 mini_parse_debug_options ();
3569
3570         mono_code_manager_init ();
3571
3572         memset (&code_manager_callbacks, 0, sizeof (code_manager_callbacks));
3573 #ifdef MONO_ARCH_HAVE_CODE_CHUNK_TRACKING
3574         code_manager_callbacks.chunk_new = code_manager_chunk_new;
3575         code_manager_callbacks.chunk_destroy = code_manager_chunk_destroy;
3576 #endif
3577         mono_code_manager_install_callbacks (&code_manager_callbacks);
3578
3579         mono_hwcap_init ();
3580
3581         mono_arch_cpu_init ();
3582
3583         mono_arch_init ();
3584
3585         mono_unwind_init ();
3586
3587         if (mini_get_debug_options ()->lldb || g_getenv ("MONO_LLDB")) {
3588                 mono_lldb_init ("");
3589                 mono_dont_free_domains = TRUE;
3590         }
3591
3592 #ifdef XDEBUG_ENABLED
3593         if (g_getenv ("MONO_XDEBUG")) {
3594                 const char *xdebug_opts = g_getenv ("MONO_XDEBUG");
3595                 mono_xdebug_init (xdebug_opts);
3596                 /* So methods for multiple domains don't have the same address */
3597                 mono_dont_free_domains = TRUE;
3598                 mono_using_xdebug = TRUE;
3599         } else if (mini_get_debug_options ()->gdb) {
3600                 mono_xdebug_init ((char*)"gdb");
3601                 mono_dont_free_domains = TRUE;
3602                 mono_using_xdebug = TRUE;
3603         }
3604 #endif
3605
3606 #ifdef ENABLE_LLVM
3607         if (mono_use_llvm) {
3608                 if (!mono_llvm_load (NULL)) {
3609                         mono_use_llvm = FALSE;
3610                         fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
3611                 }
3612         }
3613         if (mono_use_llvm)
3614                 mono_llvm_init ();
3615 #endif
3616
3617         mono_trampolines_init ();
3618
3619         if (default_opt & MONO_OPT_AOT)
3620                 mono_aot_init ();
3621
3622         mono_debugger_agent_init ();
3623
3624 #ifdef MONO_ARCH_GSHARED_SUPPORTED
3625         mono_set_generic_sharing_supported (TRUE);
3626 #endif
3627
3628         mono_threads_signals_init ();
3629
3630 #ifndef MONO_CROSS_COMPILE
3631         mono_runtime_install_handlers ();
3632 #endif
3633         mono_threads_install_cleanup (mini_thread_cleanup);
3634
3635 #ifdef JIT_TRAMPOLINES_WORK
3636         mono_install_create_domain_hook (mini_create_jit_domain_info);
3637         mono_install_free_domain_hook (mini_free_jit_domain_info);
3638 #endif
3639         mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
3640         mono_install_get_class_from_name (mono_aot_get_class_from_name);
3641         mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
3642
3643         if (debug_options.collect_pagefault_stats)
3644                 mono_aot_set_make_unreadable (TRUE);
3645
3646         if (runtime_version)
3647                 domain = mono_init_version (filename, runtime_version);
3648         else
3649                 domain = mono_init_from_assembly (filename, filename);
3650
3651         if (mono_aot_only) {
3652                 /* This helps catch code allocation requests */
3653                 mono_code_manager_set_read_only (domain->code_mp);
3654                 mono_marshal_use_aot_wrappers (TRUE);
3655         }
3656
3657         if (mono_llvm_only) {
3658                 mono_install_imt_trampoline_builder (mono_llvmonly_get_imt_trampoline);
3659                 mono_set_always_build_imt_trampolines (TRUE);
3660         } else if (mono_aot_only) {
3661                 mono_install_imt_trampoline_builder (mono_aot_get_imt_trampoline);
3662         } else {
3663                 mono_install_imt_trampoline_builder (mono_arch_build_imt_trampoline);
3664         }
3665
3666         /*Init arch tls information only after the metadata side is inited to make sure we see dynamic appdomain tls keys*/
3667         mono_arch_finish_init ();
3668
3669         mono_icall_init ();
3670
3671         /* This must come after mono_init () in the aot-only case */
3672         mono_exceptions_init ();
3673
3674         /* This should come after mono_init () too */
3675         mini_gc_init ();
3676
3677 #ifndef DISABLE_JIT
3678         mono_create_helper_signatures ();
3679 #endif
3680
3681         register_jit_stats ();
3682
3683 #define JIT_CALLS_WORK
3684 #ifdef JIT_CALLS_WORK
3685         /* Needs to be called here since register_jit_icall depends on it */
3686         mono_marshal_init ();
3687
3688         mono_arch_register_lowlevel_calls ();
3689
3690         register_icalls ();
3691
3692         mono_generic_sharing_init ();
3693 #endif
3694
3695 #ifdef MONO_ARCH_SIMD_INTRINSICS
3696         mono_simd_intrinsics_init ();
3697 #endif
3698
3699         mono_tasklets_init ();
3700
3701         register_trampolines (domain);
3702
3703         if (mono_compile_aot)
3704                 /*
3705                  * Avoid running managed code when AOT compiling, since the platform
3706                  * might only support aot-only execution.
3707                  */
3708                 mono_runtime_set_no_exec (TRUE);
3709
3710         mono_mem_account_register_counters ();
3711
3712 #define JIT_RUNTIME_WORKS
3713 #ifdef JIT_RUNTIME_WORKS
3714         mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
3715         mono_runtime_init_checked (domain, mono_thread_start_cb, mono_thread_attach_cb, &error);
3716         mono_error_assert_ok (&error);
3717         mono_thread_attach (domain);
3718 #endif
3719
3720         if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
3721                 mono_runtime_setup_stat_profiler ();
3722
3723         mono_profiler_runtime_initialized ();
3724
3725         MONO_VES_INIT_END ();
3726
3727         return domain;
3728 }
3729
3730 static void
3731 register_icalls (void)
3732 {
3733         mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
3734                                 ves_icall_get_frame_info);
3735         mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
3736                                 ves_icall_get_trace);
3737         mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
3738                                 mono_runtime_install_handlers);
3739         mono_add_internal_call ("Mono.Runtime::mono_runtime_cleanup_handlers",
3740                                 mono_runtime_cleanup_handlers);
3741
3742 #if defined(PLATFORM_ANDROID) || defined(TARGET_ANDROID)
3743         mono_add_internal_call ("System.Diagnostics.Debugger::Mono_UnhandledException_internal",
3744                                 mono_debugger_agent_unhandled_exception);
3745 #endif
3746
3747         /*
3748          * It's important that we pass `TRUE` as the last argument here, as
3749          * it causes the JIT to omit a wrapper for these icalls. If the JIT
3750          * *did* emit a wrapper, we'd be looking at infinite recursion since
3751          * the wrapper would call the icall which would call the wrapper and
3752          * so on.
3753          */
3754         register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", "void ptr", TRUE);
3755         register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", "void ptr", TRUE);
3756
3757         register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
3758         register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
3759         register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
3760         register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "ptr ptr", TRUE);
3761         register_icall (mono_jit_set_domain, "mono_jit_set_domain", "void ptr", TRUE);
3762         register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
3763
3764         register_icall (mono_llvm_throw_exception, "mono_llvm_throw_exception", "void object", TRUE);
3765         register_icall (mono_llvm_rethrow_exception, "mono_llvm_rethrow_exception", "void object", TRUE);
3766         register_icall (mono_llvm_resume_exception, "mono_llvm_resume_exception", "void", TRUE);
3767         register_icall (mono_llvm_match_exception, "mono_llvm_match_exception", "int ptr int int", TRUE);
3768         register_icall (mono_llvm_clear_exception, "mono_llvm_clear_exception", NULL, TRUE);
3769         register_icall (mono_llvm_load_exception, "mono_llvm_load_exception", "object", TRUE);
3770         register_icall (mono_llvm_throw_corlib_exception, "mono_llvm_throw_corlib_exception", "void int", TRUE);
3771 #if defined(ENABLE_LLVM) && !defined(MONO_LLVM_LOADED)
3772         register_icall (mono_llvm_set_unhandled_exception_handler, "mono_llvm_set_unhandled_exception_handler", NULL, TRUE);
3773
3774         // FIXME: This is broken
3775         register_icall (mono_debug_personality, "mono_debug_personality", "int int int ptr ptr ptr", TRUE);
3776 #endif
3777
3778         register_dyn_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
3779         register_dyn_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
3780         register_dyn_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception", "void ptr", TRUE);
3781         register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
3782         register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "object", FALSE);
3783         register_icall (mono_thread_force_interruption_checkpoint_noraise, "mono_thread_force_interruption_checkpoint_noraise", "object", FALSE);
3784
3785 #if defined(__native_client__) || defined(__native_client_codegen__)
3786         register_icall (mono_nacl_gc, "mono_nacl_gc", "void", FALSE);
3787 #endif
3788
3789         if (mono_threads_is_coop_enabled ())
3790                 register_icall (mono_threads_state_poll, "mono_threads_state_poll", "void", FALSE);
3791
3792 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
3793         register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, "mono_llmult", TRUE);
3794         register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, "mono_lldiv", FALSE);
3795         register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, "mono_lldiv_un", FALSE);
3796         register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, "mono_llrem", FALSE);
3797         register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, "mono_llrem_un", FALSE);
3798 #endif
3799 #if !defined(MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS) || defined(MONO_ARCH_EMULATE_LONG_MUL_OVF_OPTS)
3800         register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, "mono_llmult_ovf_un", FALSE);
3801         register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, "mono_llmult_ovf", FALSE);
3802 #endif
3803
3804 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
3805         register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, "mono_lshl", TRUE);
3806         register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, "mono_lshr", TRUE);
3807         register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, "mono_lshr_un", TRUE);
3808 #endif
3809
3810 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
3811         register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, "mono_idiv", FALSE);
3812         register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, "mono_idiv_un", FALSE);
3813         register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, "mono_irem", FALSE);
3814         register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, "mono_irem_un", FALSE);
3815 #endif
3816
3817 #ifdef MONO_ARCH_EMULATE_MUL_DIV
3818         register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, "mono_imul", TRUE);
3819 #endif
3820
3821 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
3822         register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, "mono_imul_ovf", FALSE);
3823         register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, "mono_imul_ovf_un", FALSE);
3824 #endif
3825
3826 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT_FALLBACK)
3827         register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, "mono_fdiv", FALSE);
3828 #endif
3829
3830         register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, "mono_fconv_u8", FALSE);
3831         register_opcode_emulation (OP_RCONV_TO_U8, "__emul_rconv_to_u8", "ulong float", mono_rconv_u8, "mono_rconv_u8", FALSE);
3832         register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, "mono_fconv_u4", FALSE);
3833         register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, "mono_fconv_ovf_i8", FALSE);
3834         register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, "mono_fconv_ovf_u8", FALSE);
3835         register_opcode_emulation (OP_RCONV_TO_OVF_I8, "__emul_rconv_to_ovf_i8", "long float", mono_rconv_ovf_i8, "mono_rconv_ovf_i8", FALSE);
3836         register_opcode_emulation (OP_RCONV_TO_OVF_U8, "__emul_rconv_to_ovf_u8", "ulong float", mono_rconv_ovf_u8, "mono_rconv_ovf_u8", FALSE);
3837
3838
3839 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
3840         register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, "mono_fconv_i8", FALSE);
3841         register_opcode_emulation (OP_RCONV_TO_I8, "__emul_rconv_to_i8", "long float", mono_rconv_i8, "mono_rconv_i8", FALSE);
3842 #endif
3843
3844 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
3845         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);
3846 #endif
3847 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
3848         register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, "mono_lconv_to_r8", FALSE);
3849 #endif
3850 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
3851         register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, "mono_lconv_to_r4", FALSE);
3852 #endif
3853 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
3854         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);
3855 #endif
3856 #ifdef MONO_ARCH_EMULATE_FREM
3857 #if !defined(__native_client__)
3858         register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, "fmod", FALSE);
3859         register_opcode_emulation (OP_RREM, "__emul_rrem", "float float float", fmodf, "fmodf", FALSE);
3860 #else
3861         register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, "mono_fmod", FALSE);
3862 #endif
3863 #endif
3864
3865 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
3866         if (mono_arch_is_soft_float ()) {
3867                 register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, "mono_fsub", FALSE);
3868                 register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, "mono_fadd", FALSE);
3869                 register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, "mono_fmul", FALSE);
3870                 register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, "mono_fneg", FALSE);
3871                 register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, "mono_conv_to_r8", FALSE);
3872                 register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, "mono_conv_to_r4", FALSE);
3873                 register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, "mono_fconv_r4", FALSE);
3874                 register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, "mono_fconv_i1", FALSE);
3875                 register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, "mono_fconv_i2", FALSE);
3876                 register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
3877                 register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, "mono_fconv_u1", FALSE);
3878                 register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, "mono_fconv_u2", FALSE);
3879
3880 #if SIZEOF_VOID_P == 4
3881                 register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
3882 #endif
3883
3884                 register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, "mono_fcmp_eq", FALSE);
3885                 register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, "mono_fcmp_lt", FALSE);
3886                 register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, "mono_fcmp_gt", FALSE);
3887                 register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, "mono_fcmp_le", FALSE);
3888                 register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, "mono_fcmp_ge", FALSE);
3889                 register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, "mono_fcmp_ne_un", FALSE);
3890                 register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, "mono_fcmp_lt_un", FALSE);
3891                 register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, "mono_fcmp_gt_un", FALSE);
3892                 register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, "mono_fcmp_le_un", FALSE);
3893                 register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, "mono_fcmp_ge_un", FALSE);
3894
3895                 register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, "mono_fceq", FALSE);
3896                 register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, "mono_fcgt", FALSE);
3897                 register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, "mono_fcgt_un", FALSE);
3898                 register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, "mono_fclt", FALSE);
3899                 register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, "mono_fclt_un", FALSE);
3900
3901                 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
3902                 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
3903                 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
3904                 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
3905         }
3906 #endif
3907         register_icall (mono_ckfinite, "mono_ckfinite", "double double", FALSE);
3908
3909 #ifdef COMPRESSED_INTERFACE_BITMAP
3910         register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
3911 #endif
3912
3913 #if SIZEOF_REGISTER == 4
3914         register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, "mono_fconv_u4", TRUE);
3915 #else
3916         register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "ulong double", mono_fconv_u8, "mono_fconv_u8", TRUE);
3917 #endif
3918
3919         /* other jit icalls */
3920         register_icall (ves_icall_mono_delegate_ctor, "ves_icall_mono_delegate_ctor", "void object object ptr", FALSE);
3921         register_icall (mono_class_static_field_address , "mono_class_static_field_address",
3922                                  "ptr ptr ptr", FALSE);
3923         register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
3924         register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
3925                 "ptr ptr ptr ptr", FALSE);
3926         register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
3927         register_icall (ves_icall_mono_ldstr, "ves_icall_mono_ldstr", "object ptr ptr int32", FALSE);
3928         register_icall (mono_helper_stelem_ref_check, "mono_helper_stelem_ref_check", "void object object", FALSE);
3929         register_icall (ves_icall_object_new, "ves_icall_object_new", "object ptr ptr", FALSE);
3930         register_icall (ves_icall_object_new_specific, "ves_icall_object_new_specific", "object ptr", FALSE);
3931         register_icall (ves_icall_array_new, "ves_icall_array_new", "object ptr ptr int32", FALSE);
3932         register_icall (ves_icall_array_new_specific, "ves_icall_array_new_specific", "object ptr int32", FALSE);
3933         register_icall (ves_icall_runtime_class_init, "ves_icall_runtime_class_init", "void ptr", FALSE);
3934         register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
3935         register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
3936         register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
3937         register_icall (mono_helper_compile_generic_method, "mono_helper_compile_generic_method", "ptr object ptr ptr", FALSE);
3938         register_icall (mono_helper_ldstr, "mono_helper_ldstr", "object ptr int", FALSE);
3939         register_icall (mono_helper_ldstr_mscorlib, "mono_helper_ldstr_mscorlib", "object int", FALSE);
3940         register_icall (mono_helper_newobj_mscorlib, "mono_helper_newobj_mscorlib", "object int", FALSE);
3941         register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
3942         register_icall (mono_object_castclass_unbox, "mono_object_castclass_unbox", "object object ptr", FALSE);
3943         register_icall (mono_break, "mono_break", NULL, TRUE);
3944         register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
3945         register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
3946         register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
3947         register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
3948         register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
3949         register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
3950         register_icall (mono_array_new_4, "mono_array_new_4", "object ptr int int int int", FALSE);
3951         register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
3952         register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
3953         register_icall (mono_gsharedvt_constrained_call, "mono_gsharedvt_constrained_call", "object ptr ptr ptr ptr ptr", FALSE);
3954         register_icall (mono_gsharedvt_value_copy, "mono_gsharedvt_value_copy", "void ptr ptr ptr", TRUE);
3955
3956         register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
3957
3958         register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
3959         register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
3960         register_icall (mono_generic_class_init, "mono_generic_class_init", "void ptr", FALSE);
3961         register_icall (mono_fill_class_rgctx, "mono_fill_class_rgctx", "ptr ptr int", FALSE);
3962         register_icall (mono_fill_method_rgctx, "mono_fill_method_rgctx", "ptr ptr int", FALSE);
3963
3964         register_icall (mono_debugger_agent_user_break, "mono_debugger_agent_user_break", "void", FALSE);
3965
3966         register_icall (mono_aot_init_llvm_method, "mono_aot_init_llvm_method", "void ptr int", TRUE);
3967         register_icall (mono_aot_init_gshared_method_this, "mono_aot_init_gshared_method_this", "void ptr int object", TRUE);
3968         register_icall (mono_aot_init_gshared_method_mrgctx, "mono_aot_init_gshared_method_mrgctx", "void ptr int ptr", TRUE);
3969         register_icall (mono_aot_init_gshared_method_vtable, "mono_aot_init_gshared_method_vtable", "void ptr int ptr", TRUE);
3970
3971         register_icall_no_wrapper (mono_resolve_iface_call_gsharedvt, "mono_resolve_iface_call_gsharedvt", "ptr object int ptr ptr");
3972         register_icall_no_wrapper (mono_resolve_vcall_gsharedvt, "mono_resolve_vcall_gsharedvt", "ptr object int ptr ptr");
3973         register_icall_no_wrapper (mono_resolve_generic_virtual_call, "mono_resolve_generic_virtual_call", "ptr ptr int ptr");
3974         register_icall_no_wrapper (mono_resolve_generic_virtual_iface_call, "mono_resolve_generic_virtual_iface_call", "ptr ptr int ptr");
3975         /* This needs a wrapper so it can have a preserveall cconv */
3976         register_icall (mono_init_vtable_slot, "mono_init_vtable_slot", "ptr ptr int", FALSE);
3977         register_icall (mono_llvmonly_init_delegate, "mono_llvmonly_init_delegate", "void object", TRUE);
3978         register_icall (mono_llvmonly_init_delegate_virtual, "mono_llvmonly_init_delegate_virtual", "void object object ptr", TRUE);
3979         register_icall (mono_get_assembly_object, "mono_get_assembly_object", "object ptr", TRUE);
3980         register_icall (mono_get_method_object, "mono_get_method_object", "object ptr", TRUE);
3981         register_icall (mono_throw_method_access, "mono_throw_method_access", "void ptr ptr", FALSE);
3982         register_icall_no_wrapper (mono_dummy_jit_icall, "mono_dummy_jit_icall", "void");
3983
3984         register_icall_with_wrapper (mono_monitor_enter_internal, "mono_monitor_enter_internal", "void obj");
3985         register_icall_with_wrapper (mono_monitor_enter_v4_internal, "mono_monitor_enter_v4_internal", "void obj ptr");
3986         register_icall_no_wrapper (mono_monitor_enter_fast, "mono_monitor_enter_fast", "int obj");
3987         register_icall_no_wrapper (mono_monitor_enter_v4_fast, "mono_monitor_enter_v4_fast", "int obj ptr");
3988
3989 #ifdef TARGET_IOS
3990         register_icall (pthread_getspecific, "pthread_getspecific", "ptr ptr", TRUE);
3991 #endif
3992         /* Register tls icalls */
3993         register_icall_no_wrapper (mono_tls_get_thread, "mono_tls_get_thread", "ptr");
3994         register_icall_no_wrapper (mono_tls_get_jit_tls, "mono_tls_get_jit_tls", "ptr");
3995         register_icall_no_wrapper (mono_tls_get_domain, "mono_tls_get_domain", "ptr");
3996         register_icall_no_wrapper (mono_tls_get_lmf, "mono_tls_get_lmf", "ptr");
3997         register_icall_no_wrapper (mono_tls_get_sgen_thread_info, "mono_tls_get_sgen_thread_info", "ptr");
3998         register_icall_no_wrapper (mono_tls_get_lmf_addr, "mono_tls_get_lmf_addr", "ptr");
3999         register_icall_no_wrapper (mono_tls_set_thread, "mono_tls_set_thread", "void ptr");
4000         register_icall_no_wrapper (mono_tls_set_jit_tls, "mono_tls_set_jit_tls", "void ptr");
4001         register_icall_no_wrapper (mono_tls_set_domain, "mono_tls_set_domain", "void ptr");
4002         register_icall_no_wrapper (mono_tls_set_lmf, "mono_tls_set_lmf", "void ptr");
4003         register_icall_no_wrapper (mono_tls_set_sgen_thread_info, "mono_tls_set_sgen_thread_info", "void ptr");
4004         register_icall_no_wrapper (mono_tls_set_lmf_addr, "mono_tls_set_lmf_addr", "void ptr");
4005 }
4006
4007 MonoJitStats mono_jit_stats = {0};
4008
4009 static void
4010 print_jit_stats (void)
4011 {
4012         if (mono_jit_stats.enabled) {
4013                 g_print ("Mono Jit statistics\n");
4014                 g_print ("Max code size ratio:    %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
4015                                  mono_jit_stats.max_ratio_method);
4016                 g_print ("Biggest method:         %ld (%s)\n", mono_jit_stats.biggest_method_size,
4017                                  mono_jit_stats.biggest_method);
4018
4019                 g_print ("Delegates created:      %ld\n", mono_stats.delegate_creations);
4020                 g_print ("Initialized classes:    %ld\n", mono_stats.initialized_class_count);
4021                 g_print ("Used classes:           %ld\n", mono_stats.used_class_count);
4022                 g_print ("Generic vtables:        %ld\n", mono_stats.generic_vtable_count);
4023                 g_print ("Methods:                %ld\n", mono_stats.method_count);
4024                 g_print ("Static data size:       %ld\n", mono_stats.class_static_data_size);
4025                 g_print ("VTable data size:       %ld\n", mono_stats.class_vtable_size);
4026                 g_print ("Mscorlib mempool size:  %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
4027
4028                 g_print ("\nInitialized classes:    %ld\n", mono_stats.generic_class_count);
4029                 g_print ("Inflated types:         %ld\n", mono_stats.inflated_type_count);
4030                 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
4031
4032                 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
4033                 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
4034                 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
4035                 g_print ("Shared vtype generic methods: %ld\n", mono_stats.gsharedvt_methods);
4036
4037                 g_print ("IMT tables size:        %ld\n", mono_stats.imt_tables_size);
4038                 g_print ("IMT number of tables:   %ld\n", mono_stats.imt_number_of_tables);
4039                 g_print ("IMT number of methods:  %ld\n", mono_stats.imt_number_of_methods);
4040                 g_print ("IMT used slots:         %ld\n", mono_stats.imt_used_slots);
4041                 g_print ("IMT colliding slots:    %ld\n", mono_stats.imt_slots_with_collisions);
4042                 g_print ("IMT max collisions:     %ld\n", mono_stats.imt_max_collisions_in_slot);
4043                 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
4044                 g_print ("IMT trampolines size:   %ld\n", mono_stats.imt_trampolines_size);
4045
4046                 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
4047                 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
4048                 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
4049
4050                 g_free (mono_jit_stats.max_ratio_method);
4051                 mono_jit_stats.max_ratio_method = NULL;
4052                 g_free (mono_jit_stats.biggest_method);
4053                 mono_jit_stats.biggest_method = NULL;
4054         }
4055 }
4056
4057 void
4058 mini_cleanup (MonoDomain *domain)
4059 {
4060         if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
4061                 mono_runtime_shutdown_stat_profiler ();
4062
4063 #ifndef DISABLE_COM
4064         cominterop_release_all_rcws ();
4065 #endif
4066
4067 #ifndef MONO_CROSS_COMPILE
4068         /*
4069          * mono_domain_finalize () needs to be called early since it needs the
4070          * execution engine still fully working (it may invoke managed finalizers).
4071          */
4072         mono_domain_finalize (domain, 2000);
4073 #endif
4074
4075         /* This accesses metadata so needs to be called before runtime shutdown */
4076         print_jit_stats ();
4077
4078 #ifndef MONO_CROSS_COMPILE
4079         mono_runtime_cleanup (domain);
4080 #endif
4081
4082         mono_profiler_shutdown ();
4083
4084         free_jit_tls_data ((MonoJitTlsData *)mono_tls_get_jit_tls ());
4085
4086         mono_icall_cleanup ();
4087
4088         mono_runtime_cleanup_handlers ();
4089
4090 #ifndef MONO_CROSS_COMPILE
4091         mono_domain_free (domain, TRUE);
4092 #endif
4093
4094 #ifdef ENABLE_LLVM
4095         if (mono_use_llvm)
4096                 mono_llvm_cleanup ();
4097 #endif
4098
4099         mono_aot_cleanup ();
4100
4101         mono_trampolines_cleanup ();
4102
4103         mono_unwind_cleanup ();
4104
4105         mono_code_manager_destroy (global_codeman);
4106         g_free (vtable_trampolines);
4107
4108         mini_jit_cleanup ();
4109
4110         mono_tramp_info_cleanup ();
4111
4112         mono_arch_cleanup ();
4113
4114         mono_generic_sharing_cleanup ();
4115
4116         mono_cleanup ();
4117
4118         mono_trace_cleanup ();
4119
4120         mono_counters_dump (MONO_COUNTER_SECTION_MASK | MONO_COUNTER_MONOTONIC, stdout);
4121
4122         if (mono_inject_async_exc_method)
4123                 mono_method_desc_free (mono_inject_async_exc_method);
4124
4125         mono_tls_free_keys ();
4126
4127         mono_os_mutex_destroy (&jit_mutex);
4128
4129         mono_code_manager_cleanup ();
4130
4131 #ifndef HOST_WIN32
4132         mono_w32handle_cleanup ();
4133 #endif
4134 }
4135
4136 void
4137 mono_set_defaults (int verbose_level, guint32 opts)
4138 {
4139         mini_verbose = verbose_level;
4140         mono_set_optimizations (opts);
4141 }
4142
4143 void
4144 mono_disable_optimizations (guint32 opts)
4145 {
4146         default_opt &= ~opts;
4147 }
4148
4149 void
4150 mono_set_optimizations (guint32 opts)
4151 {
4152         default_opt = opts;
4153         default_opt_set = TRUE;
4154 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
4155         mono_set_generic_sharing_vt_supported (mono_aot_only || ((default_opt & MONO_OPT_GSHAREDVT) != 0));
4156 #else
4157         if (mono_llvm_only)
4158                 mono_set_generic_sharing_vt_supported (TRUE);
4159 #endif
4160 }
4161
4162 void
4163 mono_set_verbose_level (guint32 level)
4164 {
4165         mini_verbose = level;
4166 }
4167
4168 /**
4169  * mono_get_runtime_build_info:
4170  *
4171  * Return the runtime version + build date in string format.
4172  * The returned string is owned by the caller. The returned string
4173  * format is "VERSION (FULL_VERSION BUILD_DATE)" and build date is optional.
4174  */
4175 char*
4176 mono_get_runtime_build_info (void)
4177 {
4178         if (mono_build_date)
4179                 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
4180         else
4181                 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
4182 }
4183
4184 static void
4185 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
4186 {
4187         GHashTable *assemblies = (GHashTable*)user_data;
4188         MonoImage *image = mono_assembly_get_image (ass);
4189         MonoMethod *method, *invoke;
4190         int i, count = 0;
4191
4192         if (g_hash_table_lookup (assemblies, ass))
4193                 return;
4194
4195         g_hash_table_insert (assemblies, ass, ass);
4196
4197         if (mini_verbose > 0)
4198                 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
4199
4200         for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
4201                 MonoError error;
4202
4203                 method = mono_get_method_checked (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL, NULL, &error);
4204                 if (!method) {
4205                         mono_error_cleanup (&error); /* FIXME don't swallow the error */
4206                         continue;
4207                 }
4208                 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
4209                         continue;
4210                 if (method->is_generic || mono_class_is_gtd (method->klass))
4211                         continue;
4212
4213                 count++;
4214                 if (mini_verbose > 1) {
4215                         char * desc = mono_method_full_name (method, TRUE);
4216                         g_print ("Compiling %d %s\n", count, desc);
4217                         g_free (desc);
4218                 }
4219                 mono_compile_method_checked (method, &error);
4220                 if (!is_ok (&error)) {
4221                         mono_error_cleanup (&error); /* FIXME don't swallow the error */
4222                         continue;
4223                 }
4224                 if (strcmp (method->name, "Finalize") == 0) {
4225                         invoke = mono_marshal_get_runtime_invoke (method, FALSE);
4226                         mono_compile_method_checked (invoke, &error);
4227                         mono_error_assert_ok (&error);
4228                 }
4229 #ifndef DISABLE_REMOTING
4230                 if (mono_class_is_marshalbyref (method->klass) && mono_method_signature (method)->hasthis) {
4231                         invoke = mono_marshal_get_remoting_invoke_with_check (method);
4232                         mono_compile_method_checked (invoke, &error);
4233                         mono_error_assert_ok (&error);
4234                 }
4235 #endif
4236         }
4237
4238         /* Load and precompile referenced assemblies as well */
4239         for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
4240                 mono_assembly_load_reference (image, i);
4241                 if (image->references [i])
4242                         mono_precompile_assembly (image->references [i], assemblies);
4243         }
4244 }
4245
4246 void mono_precompile_assemblies ()
4247 {
4248         GHashTable *assemblies = g_hash_table_new (NULL, NULL);
4249
4250         mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
4251
4252         g_hash_table_destroy (assemblies);
4253 }
4254
4255 /*
4256  * Used by LLVM.
4257  * Have to export this for AOT.
4258  */
4259 void
4260 mono_personality (void)
4261 {
4262         /* Not used */
4263         g_assert_not_reached ();
4264 }
4265
4266 // Custom handlers currently only implemented by Windows.
4267 #ifndef HOST_WIN32
4268 gboolean
4269 mono_runtime_install_custom_handlers (const char *handlers)
4270 {
4271         return FALSE;
4272 }
4273
4274 void
4275 mono_runtime_install_custom_handlers_usage (void)
4276 {
4277         fprintf (stdout,
4278                  "Custom Handlers:\n"
4279                  "   --handlers=HANDLERS            Enable handler support, HANDLERS is a comma\n"
4280                  "                                  separated list of available handlers to install.\n"
4281                  "\n"
4282                  "No handlers supported on current platform.\n");
4283 }
4284 #endif /* HOST_WIN32 */