2 * domain.c: MonoDomain functions
5 * Dietmar Maurer (dietmar@ximian.com)
8 * Copyright 2001-2003 Ximian, Inc (http://www.ximian.com)
9 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
10 * Copyright 2011-2012 Xamarin, Inc (http://www.xamarin.com)
11 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
19 #include <mono/metadata/gc-internals.h>
21 #include <mono/utils/atomic.h>
22 #include <mono/utils/mono-compiler.h>
23 #include <mono/utils/mono-logger-internals.h>
24 #include <mono/utils/mono-membar.h>
25 #include <mono/utils/mono-counters.h>
26 #include <mono/utils/hazard-pointer.h>
27 #include <mono/utils/mono-tls.h>
28 #include <mono/utils/mono-mmap.h>
29 #include <mono/utils/mono-threads.h>
30 #include <mono/metadata/object.h>
31 #include <mono/metadata/object-internals.h>
32 #include <mono/metadata/domain-internals.h>
33 #include <mono/metadata/class-internals.h>
34 #include <mono/metadata/assembly.h>
35 #include <mono/metadata/exception.h>
36 #include <mono/metadata/metadata-internals.h>
37 #include <mono/metadata/gc-internals.h>
38 #include <mono/metadata/appdomain.h>
39 #include <mono/metadata/mono-debug-debugger.h>
40 #include <mono/metadata/mono-config.h>
41 #include <mono/metadata/threads-types.h>
42 #include <mono/metadata/runtime.h>
43 #include <metadata/threads.h>
44 #include <metadata/profiler-private.h>
45 #include <mono/metadata/coree.h>
47 //#define DEBUG_DOMAIN_UNLOAD 1
49 /* we need to use both the Tls* functions and __thread because
50 * some archs may generate faster jit code with one meachanism
51 * or the other (we used to do it because tls slots were GC-tracked,
52 * but we can't depend on this).
54 static MonoNativeTlsKey appdomain_thread_id;
56 #ifdef MONO_HAVE_FAST_TLS
58 MONO_FAST_TLS_DECLARE(tls_appdomain);
60 #define GET_APPDOMAIN() ((MonoDomain*)MONO_FAST_TLS_GET(tls_appdomain))
62 #define SET_APPDOMAIN(x) do { \
63 MonoThreadInfo *info; \
64 MONO_FAST_TLS_SET (tls_appdomain,x); \
65 mono_native_tls_set_value (appdomain_thread_id, x); \
66 mono_gc_set_current_thread_appdomain (x); \
67 info = mono_thread_info_current (); \
69 mono_thread_info_tls_set (info, TLS_KEY_DOMAIN, (x)); \
72 #else /* !MONO_HAVE_FAST_TLS */
74 #define GET_APPDOMAIN() ((MonoDomain *)mono_native_tls_get_value (appdomain_thread_id))
75 #define SET_APPDOMAIN(x) do { \
76 MonoThreadInfo *info; \
77 mono_native_tls_set_value (appdomain_thread_id, x); \
78 mono_gc_set_current_thread_appdomain (x); \
79 info = mono_thread_info_current (); \
81 mono_thread_info_tls_set (info, TLS_KEY_DOMAIN, (x)); \
86 #define GET_APPCONTEXT() (mono_thread_internal_current ()->current_appcontext)
87 #define SET_APPCONTEXT(x) MONO_OBJECT_SETREF (mono_thread_internal_current (), current_appcontext, (x))
89 static guint16 appdomain_list_size = 0;
90 static guint16 appdomain_next = 0;
91 static MonoDomain **appdomains_list = NULL;
92 static MonoImage *exe_image;
93 static gboolean debug_domain_unload;
95 gboolean mono_dont_free_domains;
97 #define mono_appdomains_lock() mono_coop_mutex_lock (&appdomains_mutex)
98 #define mono_appdomains_unlock() mono_coop_mutex_unlock (&appdomains_mutex)
99 static MonoCoopMutex appdomains_mutex;
101 static MonoDomain *mono_root_domain = NULL;
103 /* some statistics */
104 static int max_domain_code_size = 0;
105 static int max_domain_code_alloc = 0;
106 static int total_domain_code_alloc = 0;
108 /* AppConfigInfo: Information about runtime versions supported by an
112 GSList *supported_runtimes;
113 char *required_runtime;
114 int configuration_count;
118 static const MonoRuntimeInfo *current_runtime = NULL;
120 /* This is the list of runtime versions supported by this JIT.
122 static const MonoRuntimeInfo supported_runtimes[] = {
123 {"v4.0.30319","4.5", { {4,0,0,0}, {10,0,0,0}, {4,0,0,0}, {4,0,0,0} } },
124 {"mobile", "2.1", { {2,0,5,0}, {10,0,0,0}, {2,0,5,0}, {2,0,5,0} } },
125 {"moonlight", "2.1", { {2,0,5,0}, { 9,0,0,0}, {3,5,0,0}, {3,0,0,0} } },
129 /* The stable runtime version */
130 #define DEFAULT_RUNTIME_VERSION "v4.0.30319"
132 /* Callbacks installed by the JIT */
133 static MonoCreateDomainFunc create_domain_hook;
134 static MonoFreeDomainFunc free_domain_hook;
136 /* AOT cache configuration */
137 static MonoAotCacheConfig aot_cache_config;
140 get_runtimes_from_exe (const char *exe_file, MonoImage **exe_image, const MonoRuntimeInfo** runtimes);
142 static const MonoRuntimeInfo*
143 get_runtime_by_version (const char *version);
146 mono_domain_get_tls_key (void)
148 return appdomain_thread_id;
152 mono_domain_get_tls_offset (void)
157 if (appdomain_thread_id)
158 offset = appdomain_thread_id;
160 MONO_THREAD_VAR_OFFSET (tls_appdomain, offset);
165 #define ALIGN_TO(val,align) ((((guint64)val) + ((align) - 1)) & ~((align) - 1))
166 #define ALIGN_PTR_TO(ptr,align) (gpointer)((((gssize)(ptr)) + (align - 1)) & (~(align - 1)))
168 static LockFreeMempool*
169 lock_free_mempool_new (void)
171 return g_new0 (LockFreeMempool, 1);
175 lock_free_mempool_free (LockFreeMempool *mp)
177 LockFreeMempoolChunk *chunk, *next;
181 next = (LockFreeMempoolChunk *)chunk->prev;
182 mono_vfree (chunk, mono_pagesize ());
191 static LockFreeMempoolChunk*
192 lock_free_mempool_chunk_new (LockFreeMempool *mp, int len)
194 LockFreeMempoolChunk *chunk, *prev;
197 size = mono_pagesize ();
198 while (size - sizeof (LockFreeMempoolChunk) < len)
199 size += mono_pagesize ();
200 chunk = (LockFreeMempoolChunk *)mono_valloc (0, size, MONO_MMAP_READ|MONO_MMAP_WRITE);
202 chunk->mem = (guint8 *)ALIGN_PTR_TO ((char*)chunk + sizeof (LockFreeMempoolChunk), 16);
203 chunk->size = ((char*)chunk + size) - (char*)chunk->mem;
206 /* Add to list of chunks lock-free */
209 if (InterlockedCompareExchangePointer ((volatile gpointer*)&mp->chunks, chunk, prev) == prev)
221 lock_free_mempool_alloc0 (LockFreeMempool *mp, guint size)
223 LockFreeMempoolChunk *chunk;
227 // FIXME: Free the allocator
229 size = ALIGN_TO (size, 8);
232 chunk = lock_free_mempool_chunk_new (mp, size);
233 mono_memory_barrier ();
238 /* The code below is lock-free, 'chunk' is shared state */
239 oldpos = InterlockedExchangeAdd (&chunk->pos, size);
240 if (oldpos + size > chunk->size) {
241 chunk = lock_free_mempool_chunk_new (mp, size);
242 g_assert (chunk->pos + size <= chunk->size);
245 mono_memory_barrier ();
248 res = (char*)chunk->mem + oldpos;
255 mono_install_create_domain_hook (MonoCreateDomainFunc func)
257 create_domain_hook = func;
261 mono_install_free_domain_hook (MonoFreeDomainFunc func)
263 free_domain_hook = func;
268 * @s1: First string to compare
269 * @s2: Second string to compare
271 * Compares two `MonoString*` instances ordinally for equality.
273 * Returns FALSE if the strings differ.
276 mono_string_equal (MonoString *s1, MonoString *s2)
278 int l1 = mono_string_length (s1);
279 int l2 = mono_string_length (s2);
286 return memcmp (mono_string_chars (s1), mono_string_chars (s2), l1 * 2) == 0;
291 * @s: the string to hash
293 * Compute the hash for a `MonoString*`
294 * Returns the hash for the string.
297 mono_string_hash (MonoString *s)
299 const guint16 *p = mono_string_chars (s);
300 int i, len = mono_string_length (s);
303 for (i = 0; i < len; i++) {
304 h = (h << 5) - h + *p;
312 mono_ptrarray_equal (gpointer *s1, gpointer *s2)
314 int len = GPOINTER_TO_INT (s1 [0]);
315 if (len != GPOINTER_TO_INT (s2 [0]))
318 return memcmp (s1 + 1, s2 + 1, len * sizeof(gpointer)) == 0;
322 mono_ptrarray_hash (gpointer *s)
325 int len = GPOINTER_TO_INT (s [0]);
328 for (i = 1; i < len; i++)
329 hash += GPOINTER_TO_UINT (s [i]);
335 * Allocate an id for domain and set domain->domain_id.
336 * LOCKING: must be called while holding appdomains_mutex.
337 * We try to assign low numbers to the domain, so it can be used
338 * as an index in data tables to lookup domain-specific info
339 * with minimal memory overhead. We also try not to reuse the
340 * same id too quickly (to help debugging).
343 domain_id_alloc (MonoDomain *domain)
346 if (!appdomains_list) {
347 appdomain_list_size = 2;
348 appdomains_list = (MonoDomain **)mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "domains list");
350 for (i = appdomain_next; i < appdomain_list_size; ++i) {
351 if (!appdomains_list [i]) {
357 for (i = 0; i < appdomain_next; ++i) {
358 if (!appdomains_list [i]) {
365 MonoDomain **new_list;
366 int new_size = appdomain_list_size * 2;
367 if (new_size >= (1 << 16))
368 g_assert_not_reached ();
369 id = appdomain_list_size;
370 new_list = (MonoDomain **)mono_gc_alloc_fixed (new_size * sizeof (void*), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "domains list");
371 memcpy (new_list, appdomains_list, appdomain_list_size * sizeof (void*));
372 mono_gc_free_fixed (appdomains_list);
373 appdomains_list = new_list;
374 appdomain_list_size = new_size;
376 domain->domain_id = id;
377 appdomains_list [id] = domain;
379 if (appdomain_next > appdomain_list_size)
384 static gsize domain_gc_bitmap [sizeof(MonoDomain)/4/32 + 1];
385 static MonoGCDescriptor domain_gc_desc = MONO_GC_DESCRIPTOR_NULL;
386 static guint32 domain_shadow_serial = 0L;
389 * mono_domain_create:
391 * Creates a new application domain, the unmanaged representation
392 * of the actual domain. Usually you will want to create the
394 * Application domains provide an isolation facilty for assemblies. You
395 * can load assemblies and execute code in them that will not be visible
396 * to other application domains. This is a runtime-based virtualization
399 * It is possible to unload domains, which unloads the assemblies and
400 * data that was allocated in that domain.
402 * When a domain is created a mempool is allocated for domain-specific
403 * structures, along a dedicated code manager to hold code that is
404 * associated with the domain.
406 * Returns: New initialized MonoDomain, with no configuration or assemblies
410 mono_domain_create (void)
413 guint32 shadow_serial;
415 mono_appdomains_lock ();
416 shadow_serial = domain_shadow_serial++;
418 if (!domain_gc_desc) {
419 unsigned int i, bit = 0;
420 for (i = G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_OBJECT); i < G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_GC_TRACKED); i += sizeof (gpointer)) {
421 bit = i / sizeof (gpointer);
422 domain_gc_bitmap [bit / 32] |= (gsize) 1 << (bit % 32);
424 domain_gc_desc = mono_gc_make_descr_from_bitmap ((gsize*)domain_gc_bitmap, bit + 1);
426 mono_appdomains_unlock ();
430 * Boehm doesn't like roots inside GC allocated objects, and alloc_fixed returns
431 * a GC_MALLOC-ed object, contrary to the api docs. This causes random crashes when
432 * running the corlib test suite.
433 * To solve this, we pass a NULL descriptor, and don't register roots.
435 domain = (MonoDomain *)mono_gc_alloc_fixed (sizeof (MonoDomain), NULL, MONO_ROOT_SOURCE_DOMAIN, "domain object");
437 domain = (MonoDomain *)mono_gc_alloc_fixed (sizeof (MonoDomain), domain_gc_desc, MONO_ROOT_SOURCE_DOMAIN, "domain object");
438 mono_gc_register_root ((char*)&(domain->MONO_DOMAIN_FIRST_GC_TRACKED), G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_LAST_GC_TRACKED) - G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_GC_TRACKED), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "misc domain fields");
440 domain->shadow_serial = shadow_serial;
441 domain->domain = NULL;
442 domain->setup = NULL;
443 domain->friendly_name = NULL;
444 domain->search_path = NULL;
446 mono_profiler_appdomain_event (domain, MONO_PROFILE_START_LOAD);
448 domain->mp = mono_mempool_new ();
449 domain->code_mp = mono_code_manager_new ();
450 domain->lock_free_mp = lock_free_mempool_new ();
451 domain->env = mono_g_hash_table_new_type ((GHashFunc)mono_string_hash, (GCompareFunc)mono_string_equal, MONO_HASH_KEY_VALUE_GC, MONO_ROOT_SOURCE_DOMAIN, "domain environment variables table");
452 domain->domain_assemblies = NULL;
453 domain->assembly_bindings = NULL;
454 domain->assembly_bindings_parsed = FALSE;
455 domain->class_vtable_array = g_ptr_array_new ();
456 domain->proxy_vtable_hash = g_hash_table_new ((GHashFunc)mono_ptrarray_hash, (GCompareFunc)mono_ptrarray_equal);
457 domain->static_data_array = NULL;
458 mono_jit_code_hash_init (&domain->jit_code_hash);
459 domain->ldstr_table = mono_g_hash_table_new_type ((GHashFunc)mono_string_hash, (GCompareFunc)mono_string_equal, MONO_HASH_KEY_VALUE_GC, MONO_ROOT_SOURCE_DOMAIN, "domain string constants table");
460 domain->num_jit_info_tables = 1;
461 domain->jit_info_table = mono_jit_info_table_new (domain);
462 domain->jit_info_free_queue = NULL;
463 domain->finalizable_objects_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
464 domain->ftnptrs_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
466 mono_coop_mutex_init_recursive (&domain->lock);
468 mono_os_mutex_init_recursive (&domain->assemblies_lock);
469 mono_os_mutex_init_recursive (&domain->jit_code_hash_lock);
470 mono_os_mutex_init_recursive (&domain->finalizable_objects_hash_lock);
472 domain->method_rgctx_hash = NULL;
474 mono_appdomains_lock ();
475 domain_id_alloc (domain);
476 mono_appdomains_unlock ();
478 #ifndef DISABLE_PERFCOUNTERS
479 mono_perfcounters->loader_appdomains++;
480 mono_perfcounters->loader_total_appdomains++;
483 mono_debug_domain_create (domain);
485 if (create_domain_hook)
486 create_domain_hook (domain);
488 mono_profiler_appdomain_loaded (domain, MONO_PROFILE_OK);
494 * mono_init_internal:
496 * Creates the initial application domain and initializes the mono_defaults
498 * This function is guaranteed to not run any IL code.
499 * If exe_filename is not NULL, the method will determine the required runtime
500 * from the exe configuration file or the version PE field.
501 * If runtime_version is not NULL, that runtime version will be used.
502 * Either exe_filename or runtime_version must be provided.
504 * Returns: the initial domain.
507 mono_init_internal (const char *filename, const char *exe_filename, const char *runtime_version)
509 static MonoDomain *domain = NULL;
510 MonoAssembly *ass = NULL;
511 MonoImageOpenStatus status = MONO_IMAGE_OK;
512 const MonoRuntimeInfo* runtimes [G_N_ELEMENTS (supported_runtimes) + 1];
515 #ifdef DEBUG_DOMAIN_UNLOAD
516 debug_domain_unload = TRUE;
520 g_assert_not_reached ();
523 /* Avoid system error message boxes. */
524 SetErrorMode (SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
531 #ifndef DISABLE_PERFCOUNTERS
532 mono_perfcounters_init ();
534 mono_counters_init ();
536 mono_counters_register ("Max native code in a domain", MONO_COUNTER_INT|MONO_COUNTER_JIT, &max_domain_code_size);
537 mono_counters_register ("Max code space allocated in a domain", MONO_COUNTER_INT|MONO_COUNTER_JIT, &max_domain_code_alloc);
538 mono_counters_register ("Total code space allocated", MONO_COUNTER_INT|MONO_COUNTER_JIT, &total_domain_code_alloc);
540 mono_gc_base_init ();
541 mono_thread_info_attach (&dummy);
543 MONO_FAST_TLS_INIT (tls_appdomain);
544 mono_native_tls_alloc (&appdomain_thread_id, NULL);
546 mono_coop_mutex_init_recursive (&appdomains_mutex);
548 mono_metadata_init ();
550 mono_assemblies_init ();
551 mono_classes_init ();
553 mono_reflection_init ();
554 mono_runtime_init_tls ();
556 /* FIXME: When should we release this memory? */
557 MONO_GC_REGISTER_ROOT_FIXED (appdomains_list, MONO_ROOT_SOURCE_DOMAIN, "domains list");
559 domain = mono_domain_create ();
560 mono_root_domain = domain;
562 SET_APPDOMAIN (domain);
564 /* Get a list of runtimes supported by the exe */
565 if (exe_filename != NULL) {
567 * This function will load the exe file as a MonoImage. We need to close it, but
568 * that would mean it would be reloaded later. So instead, we save it to
569 * exe_image, and close it during shutdown.
571 get_runtimes_from_exe (exe_filename, &exe_image, runtimes);
574 exe_image = mono_assembly_open_from_bundle (exe_filename, NULL, FALSE);
576 exe_image = mono_image_open (exe_filename, NULL);
578 mono_fixup_exe_image (exe_image);
580 } else if (runtime_version != NULL) {
581 runtimes [0] = get_runtime_by_version (runtime_version);
585 if (runtimes [0] == NULL) {
586 const MonoRuntimeInfo *default_runtime = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
587 runtimes [0] = default_runtime;
589 g_print ("WARNING: The runtime version supported by this application is unavailable.\n");
590 g_print ("Using default runtime: %s\n", default_runtime->runtime_version);
593 /* The selected runtime will be the first one for which there is a mscrolib.dll */
594 for (n = 0; runtimes [n] != NULL && ass == NULL; n++) {
595 current_runtime = runtimes [n];
596 ass = mono_assembly_load_corlib (current_runtime, &status);
597 if (status != MONO_IMAGE_OK && status != MONO_IMAGE_ERROR_ERRNO)
602 if ((status != MONO_IMAGE_OK) || (ass == NULL)) {
604 case MONO_IMAGE_ERROR_ERRNO: {
605 char *corlib_file = g_build_filename (mono_assembly_getrootdir (), "mono", current_runtime->framework_version, "mscorlib.dll", NULL);
606 g_print ("The assembly mscorlib.dll was not found or could not be loaded.\n");
607 g_print ("It should have been installed in the `%s' directory.\n", corlib_file);
608 g_free (corlib_file);
611 case MONO_IMAGE_IMAGE_INVALID:
612 g_print ("The file %s/mscorlib.dll is an invalid CIL image\n",
613 mono_assembly_getrootdir ());
615 case MONO_IMAGE_MISSING_ASSEMBLYREF:
616 g_print ("Missing assembly reference in %s/mscorlib.dll\n",
617 mono_assembly_getrootdir ());
620 /* to suppress compiler warning */
626 mono_defaults.corlib = mono_assembly_get_image (ass);
628 mono_defaults.object_class = mono_class_load_from_name (
629 mono_defaults.corlib, "System", "Object");
631 mono_defaults.void_class = mono_class_load_from_name (
632 mono_defaults.corlib, "System", "Void");
634 mono_defaults.boolean_class = mono_class_load_from_name (
635 mono_defaults.corlib, "System", "Boolean");
637 mono_defaults.byte_class = mono_class_load_from_name (
638 mono_defaults.corlib, "System", "Byte");
640 mono_defaults.sbyte_class = mono_class_load_from_name (
641 mono_defaults.corlib, "System", "SByte");
643 mono_defaults.int16_class = mono_class_load_from_name (
644 mono_defaults.corlib, "System", "Int16");
646 mono_defaults.uint16_class = mono_class_load_from_name (
647 mono_defaults.corlib, "System", "UInt16");
649 mono_defaults.int32_class = mono_class_load_from_name (
650 mono_defaults.corlib, "System", "Int32");
652 mono_defaults.uint32_class = mono_class_load_from_name (
653 mono_defaults.corlib, "System", "UInt32");
655 mono_defaults.uint_class = mono_class_load_from_name (
656 mono_defaults.corlib, "System", "UIntPtr");
658 mono_defaults.int_class = mono_class_load_from_name (
659 mono_defaults.corlib, "System", "IntPtr");
661 mono_defaults.int64_class = mono_class_load_from_name (
662 mono_defaults.corlib, "System", "Int64");
664 mono_defaults.uint64_class = mono_class_load_from_name (
665 mono_defaults.corlib, "System", "UInt64");
667 mono_defaults.single_class = mono_class_load_from_name (
668 mono_defaults.corlib, "System", "Single");
670 mono_defaults.double_class = mono_class_load_from_name (
671 mono_defaults.corlib, "System", "Double");
673 mono_defaults.char_class = mono_class_load_from_name (
674 mono_defaults.corlib, "System", "Char");
676 mono_defaults.string_class = mono_class_load_from_name (
677 mono_defaults.corlib, "System", "String");
679 mono_defaults.enum_class = mono_class_load_from_name (
680 mono_defaults.corlib, "System", "Enum");
682 mono_defaults.array_class = mono_class_load_from_name (
683 mono_defaults.corlib, "System", "Array");
685 mono_defaults.delegate_class = mono_class_load_from_name (
686 mono_defaults.corlib, "System", "Delegate");
688 mono_defaults.multicastdelegate_class = mono_class_load_from_name (
689 mono_defaults.corlib, "System", "MulticastDelegate");
691 mono_defaults.asyncresult_class = mono_class_load_from_name (
692 mono_defaults.corlib, "System.Runtime.Remoting.Messaging",
695 mono_defaults.manualresetevent_class = mono_class_load_from_name (
696 mono_defaults.corlib, "System.Threading", "ManualResetEvent");
698 mono_defaults.typehandle_class = mono_class_load_from_name (
699 mono_defaults.corlib, "System", "RuntimeTypeHandle");
701 mono_defaults.methodhandle_class = mono_class_load_from_name (
702 mono_defaults.corlib, "System", "RuntimeMethodHandle");
704 mono_defaults.fieldhandle_class = mono_class_load_from_name (
705 mono_defaults.corlib, "System", "RuntimeFieldHandle");
707 mono_defaults.systemtype_class = mono_class_load_from_name (
708 mono_defaults.corlib, "System", "Type");
710 mono_defaults.runtimetype_class = mono_class_load_from_name (
711 mono_defaults.corlib, "System", "RuntimeType");
713 mono_defaults.exception_class = mono_class_load_from_name (
714 mono_defaults.corlib, "System", "Exception");
716 mono_defaults.threadabortexception_class = mono_class_load_from_name (
717 mono_defaults.corlib, "System.Threading", "ThreadAbortException");
719 mono_defaults.thread_class = mono_class_load_from_name (
720 mono_defaults.corlib, "System.Threading", "Thread");
722 mono_defaults.internal_thread_class = mono_class_load_from_name (
723 mono_defaults.corlib, "System.Threading", "InternalThread");
725 mono_defaults.appdomain_class = mono_class_load_from_name (
726 mono_defaults.corlib, "System", "AppDomain");
728 #ifndef DISABLE_REMOTING
729 mono_defaults.transparent_proxy_class = mono_class_load_from_name (
730 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "TransparentProxy");
732 mono_defaults.real_proxy_class = mono_class_load_from_name (
733 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "RealProxy");
735 mono_defaults.marshalbyrefobject_class = mono_class_load_from_name (
736 mono_defaults.corlib, "System", "MarshalByRefObject");
738 mono_defaults.iremotingtypeinfo_class = mono_class_load_from_name (
739 mono_defaults.corlib, "System.Runtime.Remoting", "IRemotingTypeInfo");
743 mono_defaults.mono_method_message_class = mono_class_load_from_name (
744 mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "MonoMethodMessage");
746 mono_defaults.field_info_class = mono_class_load_from_name (
747 mono_defaults.corlib, "System.Reflection", "FieldInfo");
749 mono_defaults.method_info_class = mono_class_load_from_name (
750 mono_defaults.corlib, "System.Reflection", "MethodInfo");
752 mono_defaults.stringbuilder_class = mono_class_load_from_name (
753 mono_defaults.corlib, "System.Text", "StringBuilder");
755 mono_defaults.math_class = mono_class_load_from_name (
756 mono_defaults.corlib, "System", "Math");
758 mono_defaults.stack_frame_class = mono_class_load_from_name (
759 mono_defaults.corlib, "System.Diagnostics", "StackFrame");
761 mono_defaults.stack_trace_class = mono_class_load_from_name (
762 mono_defaults.corlib, "System.Diagnostics", "StackTrace");
764 mono_defaults.marshal_class = mono_class_load_from_name (
765 mono_defaults.corlib, "System.Runtime.InteropServices", "Marshal");
767 mono_defaults.typed_reference_class = mono_class_load_from_name (
768 mono_defaults.corlib, "System", "TypedReference");
770 mono_defaults.argumenthandle_class = mono_class_load_from_name (
771 mono_defaults.corlib, "System", "RuntimeArgumentHandle");
773 mono_defaults.monitor_class = mono_class_load_from_name (
774 mono_defaults.corlib, "System.Threading", "Monitor");
776 Not using GENERATE_TRY_GET_CLASS_WITH_CACHE_DECL as this type is heavily checked by sgen when computing finalization.
778 mono_defaults.critical_finalizer_object = mono_class_try_load_from_name (mono_defaults.corlib,
779 "System.Runtime.ConstrainedExecution", "CriticalFinalizerObject");
781 mono_assembly_load_friends (ass);
783 mono_defaults.handleref_class = mono_class_try_load_from_name (
784 mono_defaults.corlib, "System.Runtime.InteropServices", "HandleRef");
786 mono_defaults.attribute_class = mono_class_load_from_name (
787 mono_defaults.corlib, "System", "Attribute");
789 mono_defaults.customattribute_data_class = mono_class_load_from_name (
790 mono_defaults.corlib, "System.Reflection", "CustomAttributeData");
792 mono_class_init (mono_defaults.array_class);
793 mono_defaults.generic_nullable_class = mono_class_load_from_name (
794 mono_defaults.corlib, "System", "Nullable`1");
795 mono_defaults.generic_ilist_class = mono_class_load_from_name (
796 mono_defaults.corlib, "System.Collections.Generic", "IList`1");
797 mono_defaults.generic_ireadonlylist_class = mono_class_load_from_name (
798 mono_defaults.corlib, "System.Collections.Generic", "IReadOnlyList`1");
800 mono_defaults.threadpool_wait_callback_class = mono_class_load_from_name (
801 mono_defaults.corlib, "System.Threading", "_ThreadPoolWaitCallback");
803 mono_defaults.threadpool_perform_wait_callback_method = mono_class_get_method_from_name (
804 mono_defaults.threadpool_wait_callback_class, "PerformWaitCallback", 0);
806 domain->friendly_name = g_path_get_basename (filename);
808 mono_profiler_appdomain_name (domain, domain->friendly_name);
816 * Creates the initial application domain and initializes the mono_defaults
819 * This function is guaranteed to not run any IL code.
820 * The runtime is initialized using the default runtime version.
822 * Returns: the initial domain.
825 mono_init (const char *domain_name)
827 return mono_init_internal (domain_name, NULL, DEFAULT_RUNTIME_VERSION);
831 * mono_init_from_assembly:
832 * @domain_name: name to give to the initial domain
833 * @filename: filename to load on startup
835 * Used by the runtime, users should use mono_jit_init instead.
837 * Creates the initial application domain and initializes the mono_defaults
839 * This function is guaranteed to not run any IL code.
840 * The runtime is initialized using the runtime version required by the
841 * provided executable. The version is determined by looking at the exe
842 * configuration file and the version PE field)
844 * Returns: the initial domain.
847 mono_init_from_assembly (const char *domain_name, const char *filename)
849 return mono_init_internal (domain_name, filename, NULL);
855 * Used by the runtime, users should use mono_jit_init instead.
857 * Creates the initial application domain and initializes the mono_defaults
860 * This function is guaranteed to not run any IL code.
861 * The runtime is initialized using the provided rutime version.
863 * Returns: the initial domain.
866 mono_init_version (const char *domain_name, const char *version)
868 return mono_init_internal (domain_name, NULL, version);
874 * Cleans up all metadata modules.
879 mono_close_exe_image ();
881 mono_defaults.corlib = NULL;
883 mono_config_cleanup ();
884 mono_loader_cleanup ();
885 mono_classes_cleanup ();
886 mono_assemblies_cleanup ();
887 mono_debug_cleanup ();
888 mono_images_cleanup ();
889 mono_metadata_cleanup ();
891 mono_native_tls_free (appdomain_thread_id);
892 mono_coop_mutex_destroy (&appdomains_mutex);
900 mono_close_exe_image (void)
903 mono_image_close (exe_image);
907 * mono_get_root_domain:
909 * The root AppDomain is the initial domain created by the runtime when it is
910 * initialized. Programs execute on this AppDomain, but can create new ones
911 * later. Currently there is no unmanaged API to create new AppDomains, this
912 * must be done from managed code.
914 * Returns: the root appdomain, to obtain the current domain, use mono_domain_get ()
917 mono_get_root_domain (void)
919 return mono_root_domain;
925 * This method returns the value of the current MonoDomain that this thread
926 * and code are running under. To obtain the root domain use
927 * mono_get_root_domain() API.
929 * Returns: the current domain
934 return GET_APPDOMAIN ();
938 mono_domain_unset (void)
940 SET_APPDOMAIN (NULL);
944 mono_domain_set_internal_with_options (MonoDomain *domain, gboolean migrate_exception)
946 MonoInternalThread *thread;
948 if (mono_domain_get () == domain)
951 SET_APPDOMAIN (domain);
952 SET_APPCONTEXT (domain->default_context);
954 if (migrate_exception) {
955 thread = mono_thread_internal_current ();
956 if (!thread->abort_exc)
959 g_assert (thread->abort_exc->object.vtable->domain != domain);
960 MONO_OBJECT_SETREF (thread, abort_exc, mono_get_exception_thread_abort ());
961 g_assert (thread->abort_exc->object.vtable->domain == domain);
966 * mono_domain_set_internal:
967 * @domain: the new domain
969 * Sets the current domain to @domain.
972 mono_domain_set_internal (MonoDomain *domain)
974 mono_domain_set_internal_with_options (domain, TRUE);
978 * mono_domain_foreach:
979 * @func: function to invoke with the domain data
980 * @user_data: user-defined pointer that is passed to the supplied @func fo reach domain
982 * Use this method to safely iterate over all the loaded application
983 * domains in the current runtime. The provided @func is invoked with a
984 * pointer to the MonoDomain and is given the value of the @user_data
985 * parameter which can be used to pass state to your called routine.
988 mono_domain_foreach (MonoDomainFunc func, gpointer user_data)
994 * Create a copy of the data to avoid calling the user callback
995 * inside the lock because that could lead to deadlocks.
996 * We can do this because this function is not perf. critical.
998 mono_appdomains_lock ();
999 size = appdomain_list_size;
1000 copy = (MonoDomain **)mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "temporary domains list");
1001 memcpy (copy, appdomains_list, appdomain_list_size * sizeof (void*));
1002 mono_appdomains_unlock ();
1004 for (i = 0; i < size; ++i) {
1006 func (copy [i], user_data);
1009 mono_gc_free_fixed (copy);
1013 * mono_domain_assembly_open:
1014 * @domain: the application domain
1015 * @name: file name of the assembly
1017 * fixme: maybe we should integrate this with mono_assembly_open ??
1020 mono_domain_assembly_open (MonoDomain *domain, const char *name)
1022 MonoDomain *current;
1026 mono_domain_assemblies_lock (domain);
1027 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1028 ass = (MonoAssembly *)tmp->data;
1029 if (strcmp (name, ass->aname.name) == 0) {
1030 mono_domain_assemblies_unlock (domain);
1034 mono_domain_assemblies_unlock (domain);
1036 if (domain != mono_domain_get ()) {
1037 current = mono_domain_get ();
1039 mono_domain_set (domain, FALSE);
1040 ass = mono_assembly_open (name, NULL);
1041 mono_domain_set (current, FALSE);
1043 ass = mono_assembly_open (name, NULL);
1050 unregister_vtable_reflection_type (MonoVTable *vtable)
1052 MonoObject *type = (MonoObject *)vtable->type;
1054 if (type->vtable->klass != mono_defaults.runtimetype_class)
1055 MONO_GC_UNREGISTER_ROOT_IF_MOVING (vtable->type);
1060 * @domain: the domain to release
1061 * @force: if true, it allows the root domain to be released (used at shutdown only).
1063 * This releases the resources associated with the specific domain.
1064 * This is a low-level function that is invoked by the AppDomain infrastructure
1068 mono_domain_free (MonoDomain *domain, gboolean force)
1070 int code_size, code_alloc;
1074 if ((domain == mono_root_domain) && !force) {
1075 g_warning ("cant unload root domain");
1079 if (mono_dont_free_domains)
1082 mono_profiler_appdomain_event (domain, MONO_PROFILE_START_UNLOAD);
1084 mono_debug_domain_unload (domain);
1086 mono_appdomains_lock ();
1087 appdomains_list [domain->domain_id] = NULL;
1088 mono_appdomains_unlock ();
1090 /* must do this early as it accesses fields and types */
1091 if (domain->special_static_fields) {
1092 mono_alloc_special_static_data_free (domain->special_static_fields);
1093 g_hash_table_destroy (domain->special_static_fields);
1094 domain->special_static_fields = NULL;
1098 * We must destroy all these hash tables here because they
1099 * contain references to managed objects belonging to the
1100 * domain. Once we let the GC clear the domain there must be
1101 * no more such references, or we'll crash if a collection
1104 mono_g_hash_table_destroy (domain->ldstr_table);
1105 domain->ldstr_table = NULL;
1107 mono_g_hash_table_destroy (domain->env);
1110 mono_reflection_cleanup_domain (domain);
1112 /* This must be done before type_hash is freed */
1113 if (domain->class_vtable_array) {
1115 for (i = 0; i < domain->class_vtable_array->len; ++i)
1116 unregister_vtable_reflection_type ((MonoVTable *)g_ptr_array_index (domain->class_vtable_array, i));
1119 if (domain->type_hash) {
1120 mono_g_hash_table_destroy (domain->type_hash);
1121 domain->type_hash = NULL;
1123 if (domain->type_init_exception_hash) {
1124 mono_g_hash_table_destroy (domain->type_init_exception_hash);
1125 domain->type_init_exception_hash = NULL;
1128 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1129 MonoAssembly *ass = (MonoAssembly *)tmp->data;
1130 mono_assembly_release_gc_roots (ass);
1133 /* Have to zero out reference fields since they will be invalidated by the clear_domain () call below */
1134 for (p = (gpointer*)&domain->MONO_DOMAIN_FIRST_OBJECT; p < (gpointer*)&domain->MONO_DOMAIN_FIRST_GC_TRACKED; ++p)
1137 /* This needs to be done before closing assemblies */
1138 mono_gc_clear_domain (domain);
1140 /* Close dynamic assemblies first, since they have no ref count */
1141 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1142 MonoAssembly *ass = (MonoAssembly *)tmp->data;
1143 if (!ass->image || !image_is_dynamic (ass->image))
1145 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Unloading domain %s[%p], assembly %s[%p], ref_count=%d", domain->friendly_name, domain, ass->aname.name, ass, ass->ref_count);
1146 if (!mono_assembly_close_except_image_pools (ass))
1150 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1151 MonoAssembly *ass = (MonoAssembly *)tmp->data;
1154 if (!ass->image || image_is_dynamic (ass->image))
1156 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Unloading domain %s[%p], assembly %s[%p], ref_count=%d", domain->friendly_name, domain, ass->aname.name, ass, ass->ref_count);
1157 if (!mono_assembly_close_except_image_pools (ass))
1161 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1162 MonoAssembly *ass = (MonoAssembly *)tmp->data;
1164 mono_assembly_close_finish (ass);
1166 g_slist_free (domain->domain_assemblies);
1167 domain->domain_assemblies = NULL;
1169 if (free_domain_hook)
1170 free_domain_hook (domain);
1172 /* FIXME: free delegate_hash_table when it's used */
1173 if (domain->search_path) {
1174 g_strfreev (domain->search_path);
1175 domain->search_path = NULL;
1177 domain->create_proxy_for_type_method = NULL;
1178 domain->private_invoke_method = NULL;
1179 domain->default_context = NULL;
1180 domain->out_of_memory_ex = NULL;
1181 domain->null_reference_ex = NULL;
1182 domain->stack_overflow_ex = NULL;
1183 domain->ephemeron_tombstone = NULL;
1184 domain->entry_assembly = NULL;
1186 g_free (domain->friendly_name);
1187 domain->friendly_name = NULL;
1188 g_ptr_array_free (domain->class_vtable_array, TRUE);
1189 domain->class_vtable_array = NULL;
1190 g_hash_table_destroy (domain->proxy_vtable_hash);
1191 domain->proxy_vtable_hash = NULL;
1192 if (domain->static_data_array) {
1193 mono_gc_free_fixed (domain->static_data_array);
1194 domain->static_data_array = NULL;
1196 mono_internal_hash_table_destroy (&domain->jit_code_hash);
1199 * There might still be jit info tables of this domain which
1200 * are not freed. Since the domain cannot be in use anymore,
1201 * this will free them.
1203 mono_thread_hazardous_try_free_all ();
1204 if (domain->aot_modules)
1205 mono_jit_info_table_free (domain->aot_modules);
1206 g_assert (domain->num_jit_info_tables == 1);
1207 mono_jit_info_table_free (domain->jit_info_table);
1208 domain->jit_info_table = NULL;
1209 g_assert (!domain->jit_info_free_queue);
1211 /* collect statistics */
1212 code_alloc = mono_code_manager_size (domain->code_mp, &code_size);
1213 total_domain_code_alloc += code_alloc;
1214 max_domain_code_alloc = MAX (max_domain_code_alloc, code_alloc);
1215 max_domain_code_size = MAX (max_domain_code_size, code_size);
1217 if (debug_domain_unload) {
1218 mono_mempool_invalidate (domain->mp);
1219 mono_code_manager_invalidate (domain->code_mp);
1221 #ifndef DISABLE_PERFCOUNTERS
1222 mono_perfcounters->loader_bytes -= mono_mempool_get_allocated (domain->mp);
1224 mono_mempool_destroy (domain->mp);
1226 mono_code_manager_destroy (domain->code_mp);
1227 domain->code_mp = NULL;
1229 lock_free_mempool_free (domain->lock_free_mp);
1230 domain->lock_free_mp = NULL;
1232 g_hash_table_destroy (domain->finalizable_objects_hash);
1233 domain->finalizable_objects_hash = NULL;
1234 if (domain->method_rgctx_hash) {
1235 g_hash_table_destroy (domain->method_rgctx_hash);
1236 domain->method_rgctx_hash = NULL;
1238 if (domain->generic_virtual_cases) {
1239 g_hash_table_destroy (domain->generic_virtual_cases);
1240 domain->generic_virtual_cases = NULL;
1242 if (domain->generic_virtual_thunks) {
1243 g_hash_table_destroy (domain->generic_virtual_thunks);
1244 domain->generic_virtual_thunks = NULL;
1246 if (domain->ftnptrs_hash) {
1247 g_hash_table_destroy (domain->ftnptrs_hash);
1248 domain->ftnptrs_hash = NULL;
1250 if (domain->method_to_dyn_method) {
1251 g_hash_table_destroy (domain->method_to_dyn_method);
1252 domain->method_to_dyn_method = NULL;
1255 mono_os_mutex_destroy (&domain->finalizable_objects_hash_lock);
1256 mono_os_mutex_destroy (&domain->assemblies_lock);
1257 mono_os_mutex_destroy (&domain->jit_code_hash_lock);
1259 mono_coop_mutex_destroy (&domain->lock);
1261 domain->setup = NULL;
1263 mono_gc_deregister_root ((char*)&(domain->MONO_DOMAIN_FIRST_GC_TRACKED));
1265 /* FIXME: anything else required ? */
1267 mono_gc_free_fixed (domain);
1269 #ifndef DISABLE_PERFCOUNTERS
1270 mono_perfcounters->loader_appdomains--;
1273 if (domain == mono_root_domain)
1274 mono_root_domain = NULL;
1278 * mono_domain_get_by_id:
1281 * Returns: the domain for a specific domain id.
1284 mono_domain_get_by_id (gint32 domainid)
1286 MonoDomain * domain;
1288 mono_appdomains_lock ();
1289 if (domainid < appdomain_list_size)
1290 domain = appdomains_list [domainid];
1293 mono_appdomains_unlock ();
1299 * mono_domain_get_id:
1301 * A domain ID is guaranteed to be unique for as long as the domain
1302 * using it is alive. It may be reused later once the domain has been
1305 * Returns: The unique ID for @domain.
1308 mono_domain_get_id (MonoDomain *domain)
1310 return domain->domain_id;
1314 * mono_domain_get_friendly_name:
1316 * The returned string's lifetime is the same as @domain's. Consider
1317 * copying it if you need to store it somewhere.
1319 * Returns: The friendly name of @domain. Can be NULL if not yet set.
1322 mono_domain_get_friendly_name (MonoDomain *domain)
1324 return domain->friendly_name;
1328 * mono_domain_alloc:
1330 * LOCKING: Acquires the domain lock.
1333 mono_domain_alloc (MonoDomain *domain, guint size)
1337 mono_domain_lock (domain);
1338 #ifndef DISABLE_PERFCOUNTERS
1339 mono_perfcounters->loader_bytes += size;
1341 res = mono_mempool_alloc (domain->mp, size);
1342 mono_domain_unlock (domain);
1348 * mono_domain_alloc0:
1350 * LOCKING: Acquires the domain lock.
1353 mono_domain_alloc0 (MonoDomain *domain, guint size)
1357 mono_domain_lock (domain);
1358 #ifndef DISABLE_PERFCOUNTERS
1359 mono_perfcounters->loader_bytes += size;
1361 res = mono_mempool_alloc0 (domain->mp, size);
1362 mono_domain_unlock (domain);
1368 mono_domain_alloc0_lock_free (MonoDomain *domain, guint size)
1370 return lock_free_mempool_alloc0 (domain->lock_free_mp, size);
1374 * mono_domain_code_reserve:
1376 * LOCKING: Acquires the domain lock.
1379 mono_domain_code_reserve (MonoDomain *domain, int size)
1383 mono_domain_lock (domain);
1384 res = mono_code_manager_reserve (domain->code_mp, size);
1385 mono_domain_unlock (domain);
1391 * mono_domain_code_reserve_align:
1393 * LOCKING: Acquires the domain lock.
1396 mono_domain_code_reserve_align (MonoDomain *domain, int size, int alignment)
1400 mono_domain_lock (domain);
1401 res = mono_code_manager_reserve_align (domain->code_mp, size, alignment);
1402 mono_domain_unlock (domain);
1408 * mono_domain_code_commit:
1410 * LOCKING: Acquires the domain lock.
1413 mono_domain_code_commit (MonoDomain *domain, void *data, int size, int newsize)
1415 mono_domain_lock (domain);
1416 mono_code_manager_commit (domain->code_mp, data, size, newsize);
1417 mono_domain_unlock (domain);
1421 * mono_domain_code_foreach:
1422 * Iterate over the code thunks of the code manager of @domain.
1424 * The @func callback MUST not take any locks. If it really needs to, it must respect
1425 * the locking rules of the runtime: http://www.mono-project.com/Mono:Runtime:Documentation:ThreadSafety
1426 * LOCKING: Acquires the domain lock.
1430 mono_domain_code_foreach (MonoDomain *domain, MonoCodeManagerFunc func, void *user_data)
1432 mono_domain_lock (domain);
1433 mono_code_manager_foreach (domain->code_mp, func, user_data);
1434 mono_domain_unlock (domain);
1439 mono_context_set (MonoAppContext * new_context)
1441 SET_APPCONTEXT (new_context);
1447 * Returns: the current Mono Application Context.
1450 mono_context_get (void)
1452 return GET_APPCONTEXT ();
1456 * mono_context_get_id:
1457 * @context: the context to operate on.
1459 * Context IDs are guaranteed to be unique for the duration of a Mono
1460 * process; they are never reused.
1462 * Returns: The unique ID for @context.
1465 mono_context_get_id (MonoAppContext *context)
1467 return context->context_id;
1471 * mono_context_get_domain_id:
1472 * @context: the context to operate on.
1474 * Returns: The ID of the domain that @context was created in.
1477 mono_context_get_domain_id (MonoAppContext *context)
1479 return context->domain_id;
1482 /* LOCKING: the caller holds the lock for this domain */
1484 mono_domain_add_class_static_data (MonoDomain *domain, MonoClass *klass, gpointer data, guint32 *bitmap)
1486 /* The first entry in the array is the index of the next free slot
1487 * and the total size of the array
1490 if (domain->static_data_array) {
1491 int size = GPOINTER_TO_INT (domain->static_data_array [1]);
1492 next = GPOINTER_TO_INT (domain->static_data_array [0]);
1494 /* 'data' is allocated by alloc_fixed */
1495 gpointer *new_array = (gpointer *)mono_gc_alloc_fixed (sizeof (gpointer) * (size * 2), MONO_GC_ROOT_DESCR_FOR_FIXED (size * 2), MONO_ROOT_SOURCE_DOMAIN, "static field list");
1496 mono_gc_memmove_aligned (new_array, domain->static_data_array, sizeof (gpointer) * size);
1498 new_array [1] = GINT_TO_POINTER (size);
1499 mono_gc_free_fixed (domain->static_data_array);
1500 domain->static_data_array = new_array;
1504 gpointer *new_array = (gpointer *)mono_gc_alloc_fixed (sizeof (gpointer) * size, MONO_GC_ROOT_DESCR_FOR_FIXED (size), MONO_ROOT_SOURCE_DOMAIN, "static field list");
1506 new_array [0] = GINT_TO_POINTER (next);
1507 new_array [1] = GINT_TO_POINTER (size);
1508 domain->static_data_array = new_array;
1510 domain->static_data_array [next++] = data;
1511 domain->static_data_array [0] = GINT_TO_POINTER (next);
1517 * Use this function to get the `MonoImage*` for the mscorlib.dll assembly
1519 * Returns: The MonoImage for mscorlib.dll
1522 mono_get_corlib (void)
1524 return mono_defaults.corlib;
1528 * mono_get_object_class:
1530 * Use this function to get the `MonoClass*` that the runtime is using for `System.Object`.
1532 * Returns: The `MonoClass*` for the `System.Object` type.
1535 mono_get_object_class (void)
1537 return mono_defaults.object_class;
1541 * mono_get_byte_class:
1543 * Use this function to get the `MonoClass*` that the runtime is using for `System.Byte`.
1545 * Returns: The `MonoClass*` for the `System.Byte` type.
1548 mono_get_byte_class (void)
1550 return mono_defaults.byte_class;
1554 * mono_get_void_class:
1556 * Use this function to get the `MonoClass*` that the runtime is using for `System.Void`.
1558 * Returns: The `MonoClass*` for the `System.Void` type.
1561 mono_get_void_class (void)
1563 return mono_defaults.void_class;
1567 * mono_get_boolean_class:
1569 * Use this function to get the `MonoClass*` that the runtime is using for `System.Boolean`.
1571 * Returns: The `MonoClass*` for the `System.Boolean` type.
1574 mono_get_boolean_class (void)
1576 return mono_defaults.boolean_class;
1580 * mono_get_sbyte_class:
1582 * Use this function to get the `MonoClass*` that the runtime is using for `System.SByte`.
1584 * Returns: The `MonoClass*` for the `System.SByte` type.
1587 mono_get_sbyte_class (void)
1589 return mono_defaults.sbyte_class;
1593 * mono_get_int16_class:
1595 * Use this function to get the `MonoClass*` that the runtime is using for `System.Int16`.
1597 * Returns: The `MonoClass*` for the `System.Int16` type.
1600 mono_get_int16_class (void)
1602 return mono_defaults.int16_class;
1606 * mono_get_uint16_class:
1608 * Use this function to get the `MonoClass*` that the runtime is using for `System.UInt16`.
1610 * Returns: The `MonoClass*` for the `System.UInt16` type.
1613 mono_get_uint16_class (void)
1615 return mono_defaults.uint16_class;
1619 * mono_get_int32_class:
1621 * Use this function to get the `MonoClass*` that the runtime is using for `System.Int32`.
1623 * Returns: The `MonoClass*` for the `System.Int32` type.
1626 mono_get_int32_class (void)
1628 return mono_defaults.int32_class;
1632 * mono_get_uint32_class:
1634 * Use this function to get the `MonoClass*` that the runtime is using for `System.UInt32`.
1636 * Returns: The `MonoClass*` for the `System.UInt32` type.
1639 mono_get_uint32_class (void)
1641 return mono_defaults.uint32_class;
1645 * mono_get_intptr_class:
1647 * Use this function to get the `MonoClass*` that the runtime is using for `System.IntPtr`.
1649 * Returns: The `MonoClass*` for the `System.IntPtr` type.
1652 mono_get_intptr_class (void)
1654 return mono_defaults.int_class;
1658 * mono_get_uintptr_class:
1660 * Use this function to get the `MonoClass*` that the runtime is using for `System.UIntPtr`.
1662 * Returns: The `MonoClass*` for the `System.UIntPtr` type.
1665 mono_get_uintptr_class (void)
1667 return mono_defaults.uint_class;
1671 * mono_get_int64_class:
1673 * Use this function to get the `MonoClass*` that the runtime is using for `System.Int64`.
1675 * Returns: The `MonoClass*` for the `System.Int64` type.
1678 mono_get_int64_class (void)
1680 return mono_defaults.int64_class;
1684 * mono_get_uint64_class:
1686 * Use this function to get the `MonoClass*` that the runtime is using for `System.UInt64`.
1688 * Returns: The `MonoClass*` for the `System.UInt64` type.
1691 mono_get_uint64_class (void)
1693 return mono_defaults.uint64_class;
1697 * mono_get_single_class:
1699 * Use this function to get the `MonoClass*` that the runtime is using for `System.Single` (32-bit floating points).
1701 * Returns: The `MonoClass*` for the `System.Single` type.
1704 mono_get_single_class (void)
1706 return mono_defaults.single_class;
1710 * mono_get_double_class:
1712 * Use this function to get the `MonoClass*` that the runtime is using for `System.Double` (64-bit floating points).
1714 * Returns: The `MonoClass*` for the `System.Double` type.
1717 mono_get_double_class (void)
1719 return mono_defaults.double_class;
1723 * mono_get_char_class:
1725 * Use this function to get the `MonoClass*` that the runtime is using for `System.Char`.
1727 * Returns: The `MonoClass*` for the `System.Char` type.
1730 mono_get_char_class (void)
1732 return mono_defaults.char_class;
1736 * mono_get_string_class:
1738 * Use this function to get the `MonoClass*` that the runtime is using for `System.String`.
1740 * Returns: The `MonoClass*` for the `System.String` type.
1743 mono_get_string_class (void)
1745 return mono_defaults.string_class;
1749 * mono_get_enum_class:
1751 * Use this function to get the `MonoClass*` that the runtime is using for `System.Enum`.
1753 * Returns: The `MonoClass*` for the `System.Enum` type.
1756 mono_get_enum_class (void)
1758 return mono_defaults.enum_class;
1762 * mono_get_array_class:
1764 * Use this function to get the `MonoClass*` that the runtime is using for `System.Array`.
1766 * Returns: The `MonoClass*` for the `System.Array` type.
1769 mono_get_array_class (void)
1771 return mono_defaults.array_class;
1775 * mono_get_thread_class:
1777 * Use this function to get the `MonoClass*` that the runtime is using for `System.Threading.Thread`.
1779 * Returns: The `MonoClass*` for the `System.Threading.Thread` type.
1782 mono_get_thread_class (void)
1784 return mono_defaults.thread_class;
1788 * mono_get_exception_class:
1790 * Use this function to get the `MonoClass*` that the runtime is using for `System.Exception`.
1792 * Returns: The `MonoClass*` for the `` type.
1795 mono_get_exception_class (void)
1797 return mono_defaults.exception_class;
1801 static char* get_attribute_value (const gchar **attribute_names,
1802 const gchar **attribute_values,
1803 const char *att_name)
1806 for (n=0; attribute_names[n] != NULL; n++) {
1807 if (strcmp (attribute_names[n], att_name) == 0)
1808 return g_strdup (attribute_values[n]);
1813 static void start_element (GMarkupParseContext *context,
1814 const gchar *element_name,
1815 const gchar **attribute_names,
1816 const gchar **attribute_values,
1820 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
1822 if (strcmp (element_name, "configuration") == 0) {
1823 app_config->configuration_count++;
1826 if (strcmp (element_name, "startup") == 0) {
1827 app_config->startup_count++;
1831 if (app_config->configuration_count != 1 || app_config->startup_count != 1)
1834 if (strcmp (element_name, "requiredRuntime") == 0) {
1835 app_config->required_runtime = get_attribute_value (attribute_names, attribute_values, "version");
1836 } else if (strcmp (element_name, "supportedRuntime") == 0) {
1837 char *version = get_attribute_value (attribute_names, attribute_values, "version");
1838 app_config->supported_runtimes = g_slist_append (app_config->supported_runtimes, version);
1842 static void end_element (GMarkupParseContext *context,
1843 const gchar *element_name,
1847 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
1849 if (strcmp (element_name, "configuration") == 0) {
1850 app_config->configuration_count--;
1851 } else if (strcmp (element_name, "startup") == 0) {
1852 app_config->startup_count--;
1856 static const GMarkupParser
1865 static AppConfigInfo *
1866 app_config_parse (const char *exe_filename)
1868 AppConfigInfo *app_config;
1869 GMarkupParseContext *context;
1872 const char *bundled_config;
1873 char *config_filename;
1875 bundled_config = mono_config_string_for_assembly_file (exe_filename);
1877 if (bundled_config) {
1878 text = g_strdup (bundled_config);
1879 len = strlen (text);
1881 config_filename = g_strconcat (exe_filename, ".config", NULL);
1883 if (!g_file_get_contents (config_filename, &text, &len, NULL)) {
1884 g_free (config_filename);
1887 g_free (config_filename);
1890 app_config = g_new0 (AppConfigInfo, 1);
1892 context = g_markup_parse_context_new (&mono_parser, (GMarkupParseFlags)0, app_config, NULL);
1893 if (g_markup_parse_context_parse (context, text, len, NULL)) {
1894 g_markup_parse_context_end_parse (context, NULL);
1896 g_markup_parse_context_free (context);
1902 app_config_free (AppConfigInfo* app_config)
1905 GSList *list = app_config->supported_runtimes;
1906 while (list != NULL) {
1907 rt = (char*)list->data;
1909 list = g_slist_next (list);
1911 g_slist_free (app_config->supported_runtimes);
1912 g_free (app_config->required_runtime);
1913 g_free (app_config);
1917 static const MonoRuntimeInfo*
1918 get_runtime_by_version (const char *version)
1921 int max = G_N_ELEMENTS (supported_runtimes);
1927 for (n=0; n<max; n++) {
1928 if (strcmp (version, supported_runtimes[n].runtime_version) == 0)
1929 return &supported_runtimes[n];
1932 vlen = strlen (version);
1933 if (vlen >= 4 && version [1] - '0' >= 4) {
1934 for (n=0; n<max; n++) {
1935 if (strncmp (version, supported_runtimes[n].runtime_version, 4) == 0)
1936 return &supported_runtimes[n];
1944 get_runtimes_from_exe (const char *exe_file, MonoImage **exe_image, const MonoRuntimeInfo** runtimes)
1946 AppConfigInfo* app_config;
1948 const MonoRuntimeInfo* runtime = NULL;
1949 MonoImage *image = NULL;
1951 app_config = app_config_parse (exe_file);
1953 if (app_config != NULL) {
1954 /* Check supportedRuntime elements, if none is supported, fail.
1955 * If there are no such elements, look for a requiredRuntime element.
1957 if (app_config->supported_runtimes != NULL) {
1959 GSList *list = app_config->supported_runtimes;
1960 while (list != NULL) {
1961 version = (char*) list->data;
1962 runtime = get_runtime_by_version (version);
1963 if (runtime != NULL)
1964 runtimes [n++] = runtime;
1965 list = g_slist_next (list);
1967 runtimes [n] = NULL;
1968 app_config_free (app_config);
1972 /* Check the requiredRuntime element. This is for 1.0 apps only. */
1973 if (app_config->required_runtime != NULL) {
1974 runtimes [0] = get_runtime_by_version (app_config->required_runtime);
1975 runtimes [1] = NULL;
1976 app_config_free (app_config);
1979 app_config_free (app_config);
1982 /* Look for a runtime with the exact version */
1983 image = mono_assembly_open_from_bundle (exe_file, NULL, FALSE);
1986 image = mono_image_open (exe_file, NULL);
1988 if (image == NULL) {
1989 /* The image is wrong or the file was not found. In this case return
1990 * a default runtime and leave to the initialization method the work of
1991 * reporting the error.
1993 runtimes [0] = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
1994 runtimes [1] = NULL;
2000 runtimes [0] = get_runtime_by_version (image->version);
2001 runtimes [1] = NULL;
2006 * mono_get_runtime_info:
2008 * Returns: the version of the current runtime instance.
2010 const MonoRuntimeInfo*
2011 mono_get_runtime_info (void)
2013 return current_runtime;
2017 * mono_framework_version:
2019 * Return the major version of the framework curently executing.
2022 mono_framework_version (void)
2024 return current_runtime->framework_version [0] - '0';
2028 mono_enable_debug_domain_unload (gboolean enable)
2030 debug_domain_unload = enable;
2033 MonoAotCacheConfig *
2034 mono_get_aot_cache_config (void)
2036 return &aot_cache_config;
2040 mono_domain_lock (MonoDomain *domain)
2042 mono_locks_coop_acquire (&domain->lock, DomainLock);
2046 mono_domain_unlock (MonoDomain *domain)
2048 mono_locks_coop_release (&domain->lock, DomainLock);