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 <mono/metadata/w32mutex.h>
44 #include <mono/metadata/w32semaphore.h>
45 #include <mono/metadata/w32event.h>
46 #include <metadata/threads.h>
47 #include <metadata/profiler-private.h>
48 #include <mono/metadata/coree.h>
50 //#define DEBUG_DOMAIN_UNLOAD 1
52 /* we need to use both the Tls* functions and __thread because
53 * some archs may generate faster jit code with one meachanism
54 * or the other (we used to do it because tls slots were GC-tracked,
55 * but we can't depend on this).
57 static MonoNativeTlsKey appdomain_thread_id;
59 #ifdef MONO_HAVE_FAST_TLS
61 MONO_FAST_TLS_DECLARE(tls_appdomain);
63 #define GET_APPDOMAIN() ((MonoDomain*)MONO_FAST_TLS_GET(tls_appdomain))
65 #define SET_APPDOMAIN(x) do { \
66 MonoThreadInfo *info; \
67 MONO_FAST_TLS_SET (tls_appdomain,x); \
68 mono_native_tls_set_value (appdomain_thread_id, x); \
69 info = mono_thread_info_current (); \
71 mono_thread_info_tls_set (info, TLS_KEY_DOMAIN, (x)); \
74 #else /* !MONO_HAVE_FAST_TLS */
76 #define GET_APPDOMAIN() ((MonoDomain *)mono_native_tls_get_value (appdomain_thread_id))
77 #define SET_APPDOMAIN(x) do { \
78 MonoThreadInfo *info; \
79 mono_native_tls_set_value (appdomain_thread_id, x); \
80 info = mono_thread_info_current (); \
82 mono_thread_info_tls_set (info, TLS_KEY_DOMAIN, (x)); \
87 #define GET_APPCONTEXT() (mono_thread_internal_current ()->current_appcontext)
88 #define SET_APPCONTEXT(x) MONO_OBJECT_SETREF (mono_thread_internal_current (), current_appcontext, (x))
90 static guint16 appdomain_list_size = 0;
91 static guint16 appdomain_next = 0;
92 static MonoDomain **appdomains_list = NULL;
93 static MonoImage *exe_image;
94 static gboolean debug_domain_unload;
96 gboolean mono_dont_free_domains;
98 #define mono_appdomains_lock() mono_coop_mutex_lock (&appdomains_mutex)
99 #define mono_appdomains_unlock() mono_coop_mutex_unlock (&appdomains_mutex)
100 static MonoCoopMutex appdomains_mutex;
102 static MonoDomain *mono_root_domain = NULL;
104 /* some statistics */
105 static int max_domain_code_size = 0;
106 static int max_domain_code_alloc = 0;
107 static int total_domain_code_alloc = 0;
109 /* AppConfigInfo: Information about runtime versions supported by an
113 GSList *supported_runtimes;
114 char *required_runtime;
115 int configuration_count;
119 static const MonoRuntimeInfo *current_runtime = NULL;
121 /* This is the list of runtime versions supported by this JIT.
123 static const MonoRuntimeInfo supported_runtimes[] = {
124 {"v4.0.30319","4.5", { {4,0,0,0}, {10,0,0,0}, {4,0,0,0}, {4,0,0,0} } },
125 {"mobile", "2.1", { {2,0,5,0}, {10,0,0,0}, {2,0,5,0}, {2,0,5,0} } },
126 {"moonlight", "2.1", { {2,0,5,0}, { 9,0,0,0}, {3,5,0,0}, {3,0,0,0} } },
130 /* The stable runtime version */
131 #define DEFAULT_RUNTIME_VERSION "v4.0.30319"
133 /* Callbacks installed by the JIT */
134 static MonoCreateDomainFunc create_domain_hook;
135 static MonoFreeDomainFunc free_domain_hook;
137 /* AOT cache configuration */
138 static MonoAotCacheConfig aot_cache_config;
141 get_runtimes_from_exe (const char *exe_file, MonoImage **exe_image, const MonoRuntimeInfo** runtimes);
143 static const MonoRuntimeInfo*
144 get_runtime_by_version (const char *version);
147 mono_domain_get_tls_key (void)
149 return appdomain_thread_id;
153 mono_domain_get_tls_offset (void)
158 if (appdomain_thread_id)
159 offset = appdomain_thread_id;
161 MONO_THREAD_VAR_OFFSET (tls_appdomain, offset);
166 #define ALIGN_TO(val,align) ((((guint64)val) + ((align) - 1)) & ~((align) - 1))
167 #define ALIGN_PTR_TO(ptr,align) (gpointer)((((gssize)(ptr)) + (align - 1)) & (~(align - 1)))
169 static LockFreeMempool*
170 lock_free_mempool_new (void)
172 return g_new0 (LockFreeMempool, 1);
176 lock_free_mempool_free (LockFreeMempool *mp)
178 LockFreeMempoolChunk *chunk, *next;
182 next = (LockFreeMempoolChunk *)chunk->prev;
183 mono_vfree (chunk, mono_pagesize (), MONO_MEM_ACCOUNT_DOMAIN);
192 static LockFreeMempoolChunk*
193 lock_free_mempool_chunk_new (LockFreeMempool *mp, int len)
195 LockFreeMempoolChunk *chunk, *prev;
198 size = mono_pagesize ();
199 while (size - sizeof (LockFreeMempoolChunk) < len)
200 size += mono_pagesize ();
201 chunk = (LockFreeMempoolChunk *)mono_valloc (0, size, MONO_MMAP_READ|MONO_MMAP_WRITE, MONO_MEM_ACCOUNT_DOMAIN);
203 chunk->mem = (guint8 *)ALIGN_PTR_TO ((char*)chunk + sizeof (LockFreeMempoolChunk), 16);
204 chunk->size = ((char*)chunk + size) - (char*)chunk->mem;
207 /* Add to list of chunks lock-free */
210 if (InterlockedCompareExchangePointer ((volatile gpointer*)&mp->chunks, chunk, prev) == prev)
222 lock_free_mempool_alloc0 (LockFreeMempool *mp, guint size)
224 LockFreeMempoolChunk *chunk;
228 // FIXME: Free the allocator
230 size = ALIGN_TO (size, 8);
233 chunk = lock_free_mempool_chunk_new (mp, size);
234 mono_memory_barrier ();
239 /* The code below is lock-free, 'chunk' is shared state */
240 oldpos = InterlockedExchangeAdd (&chunk->pos, size);
241 if (oldpos + size > chunk->size) {
242 chunk = lock_free_mempool_chunk_new (mp, size);
243 g_assert (chunk->pos + size <= chunk->size);
246 mono_memory_barrier ();
249 res = (char*)chunk->mem + oldpos;
256 mono_install_create_domain_hook (MonoCreateDomainFunc func)
258 create_domain_hook = func;
262 mono_install_free_domain_hook (MonoFreeDomainFunc func)
264 free_domain_hook = func;
269 * @s1: First string to compare
270 * @s2: Second string to compare
272 * Compares two `MonoString*` instances ordinally for equality.
274 * Returns FALSE if the strings differ.
277 mono_string_equal (MonoString *s1, MonoString *s2)
279 int l1 = mono_string_length (s1);
280 int l2 = mono_string_length (s2);
287 return memcmp (mono_string_chars (s1), mono_string_chars (s2), l1 * 2) == 0;
292 * @s: the string to hash
294 * Compute the hash for a `MonoString*`
295 * Returns the hash for the string.
298 mono_string_hash (MonoString *s)
300 const guint16 *p = mono_string_chars (s);
301 int i, len = mono_string_length (s);
304 for (i = 0; i < len; i++) {
305 h = (h << 5) - h + *p;
313 mono_ptrarray_equal (gpointer *s1, gpointer *s2)
315 int len = GPOINTER_TO_INT (s1 [0]);
316 if (len != GPOINTER_TO_INT (s2 [0]))
319 return memcmp (s1 + 1, s2 + 1, len * sizeof(gpointer)) == 0;
323 mono_ptrarray_hash (gpointer *s)
326 int len = GPOINTER_TO_INT (s [0]);
329 for (i = 1; i < len; i++)
330 hash += GPOINTER_TO_UINT (s [i]);
336 * Allocate an id for domain and set domain->domain_id.
337 * LOCKING: must be called while holding appdomains_mutex.
338 * We try to assign low numbers to the domain, so it can be used
339 * as an index in data tables to lookup domain-specific info
340 * with minimal memory overhead. We also try not to reuse the
341 * same id too quickly (to help debugging).
344 domain_id_alloc (MonoDomain *domain)
347 if (!appdomains_list) {
348 appdomain_list_size = 2;
349 appdomains_list = (MonoDomain **)mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "domains list");
351 for (i = appdomain_next; i < appdomain_list_size; ++i) {
352 if (!appdomains_list [i]) {
358 for (i = 0; i < appdomain_next; ++i) {
359 if (!appdomains_list [i]) {
366 MonoDomain **new_list;
367 int new_size = appdomain_list_size * 2;
368 if (new_size >= (1 << 16))
369 g_assert_not_reached ();
370 id = appdomain_list_size;
371 new_list = (MonoDomain **)mono_gc_alloc_fixed (new_size * sizeof (void*), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "domains list");
372 memcpy (new_list, appdomains_list, appdomain_list_size * sizeof (void*));
373 mono_gc_free_fixed (appdomains_list);
374 appdomains_list = new_list;
375 appdomain_list_size = new_size;
377 domain->domain_id = id;
378 appdomains_list [id] = domain;
380 if (appdomain_next > appdomain_list_size)
385 static gsize domain_gc_bitmap [sizeof(MonoDomain)/4/32 + 1];
386 static MonoGCDescriptor domain_gc_desc = MONO_GC_DESCRIPTOR_NULL;
387 static guint32 domain_shadow_serial = 0L;
390 * mono_domain_create:
392 * Creates a new application domain, the unmanaged representation
393 * of the actual domain. Usually you will want to create the
395 * Application domains provide an isolation facilty for assemblies. You
396 * can load assemblies and execute code in them that will not be visible
397 * to other application domains. This is a runtime-based virtualization
400 * It is possible to unload domains, which unloads the assemblies and
401 * data that was allocated in that domain.
403 * When a domain is created a mempool is allocated for domain-specific
404 * structures, along a dedicated code manager to hold code that is
405 * associated with the domain.
407 * Returns: New initialized MonoDomain, with no configuration or assemblies
411 mono_domain_create (void)
414 guint32 shadow_serial;
416 mono_appdomains_lock ();
417 shadow_serial = domain_shadow_serial++;
419 if (!domain_gc_desc) {
420 unsigned int i, bit = 0;
421 for (i = G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_OBJECT); i < G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_GC_TRACKED); i += sizeof (gpointer)) {
422 bit = i / sizeof (gpointer);
423 domain_gc_bitmap [bit / 32] |= (gsize) 1 << (bit % 32);
425 domain_gc_desc = mono_gc_make_descr_from_bitmap ((gsize*)domain_gc_bitmap, bit + 1);
427 mono_appdomains_unlock ();
431 * Boehm doesn't like roots inside GC allocated objects, and alloc_fixed returns
432 * a GC_MALLOC-ed object, contrary to the api docs. This causes random crashes when
433 * running the corlib test suite.
434 * To solve this, we pass a NULL descriptor, and don't register roots.
436 domain = (MonoDomain *)mono_gc_alloc_fixed (sizeof (MonoDomain), NULL, MONO_ROOT_SOURCE_DOMAIN, "domain object");
438 domain = (MonoDomain *)mono_gc_alloc_fixed (sizeof (MonoDomain), domain_gc_desc, MONO_ROOT_SOURCE_DOMAIN, "domain object");
439 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");
441 domain->shadow_serial = shadow_serial;
442 domain->domain = NULL;
443 domain->setup = NULL;
444 domain->friendly_name = NULL;
445 domain->search_path = NULL;
447 mono_profiler_appdomain_event (domain, MONO_PROFILE_START_LOAD);
449 domain->mp = mono_mempool_new ();
450 domain->code_mp = mono_code_manager_new ();
451 domain->lock_free_mp = lock_free_mempool_new ();
452 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");
453 domain->domain_assemblies = NULL;
454 domain->assembly_bindings = NULL;
455 domain->assembly_bindings_parsed = FALSE;
456 domain->class_vtable_array = g_ptr_array_new ();
457 domain->proxy_vtable_hash = g_hash_table_new ((GHashFunc)mono_ptrarray_hash, (GCompareFunc)mono_ptrarray_equal);
458 domain->static_data_array = NULL;
459 mono_jit_code_hash_init (&domain->jit_code_hash);
460 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");
461 domain->num_jit_info_tables = 1;
462 domain->jit_info_table = mono_jit_info_table_new (domain);
463 domain->jit_info_free_queue = NULL;
464 domain->finalizable_objects_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
465 domain->ftnptrs_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
467 mono_coop_mutex_init_recursive (&domain->lock);
469 mono_os_mutex_init_recursive (&domain->assemblies_lock);
470 mono_os_mutex_init_recursive (&domain->jit_code_hash_lock);
471 mono_os_mutex_init_recursive (&domain->finalizable_objects_hash_lock);
473 domain->method_rgctx_hash = NULL;
475 mono_appdomains_lock ();
476 domain_id_alloc (domain);
477 mono_appdomains_unlock ();
479 #ifndef DISABLE_PERFCOUNTERS
480 mono_perfcounters->loader_appdomains++;
481 mono_perfcounters->loader_total_appdomains++;
484 mono_debug_domain_create (domain);
486 if (create_domain_hook)
487 create_domain_hook (domain);
489 mono_profiler_appdomain_loaded (domain, MONO_PROFILE_OK);
495 * mono_init_internal:
497 * Creates the initial application domain and initializes the mono_defaults
499 * This function is guaranteed to not run any IL code.
500 * If exe_filename is not NULL, the method will determine the required runtime
501 * from the exe configuration file or the version PE field.
502 * If runtime_version is not NULL, that runtime version will be used.
503 * Either exe_filename or runtime_version must be provided.
505 * Returns: the initial domain.
508 mono_init_internal (const char *filename, const char *exe_filename, const char *runtime_version)
510 static MonoDomain *domain = NULL;
511 MonoAssembly *ass = NULL;
512 MonoImageOpenStatus status = MONO_IMAGE_OK;
513 const MonoRuntimeInfo* runtimes [G_N_ELEMENTS (supported_runtimes) + 1];
516 #ifdef DEBUG_DOMAIN_UNLOAD
517 debug_domain_unload = TRUE;
521 g_assert_not_reached ();
523 #if defined(HOST_WIN32) && G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT)
524 /* Avoid system error message boxes. */
525 SetErrorMode (SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
529 mono_w32handle_init ();
530 mono_w32handle_namespace_init ();
534 mono_w32mutex_init ();
535 mono_w32semaphore_init ();
536 mono_w32event_init ();
538 #ifndef DISABLE_PERFCOUNTERS
539 mono_perfcounters_init ();
541 mono_counters_init ();
543 mono_counters_register ("Max native code in a domain", MONO_COUNTER_INT|MONO_COUNTER_JIT, &max_domain_code_size);
544 mono_counters_register ("Max code space allocated in a domain", MONO_COUNTER_INT|MONO_COUNTER_JIT, &max_domain_code_alloc);
545 mono_counters_register ("Total code space allocated", MONO_COUNTER_INT|MONO_COUNTER_JIT, &total_domain_code_alloc);
547 mono_gc_base_init ();
548 mono_thread_info_attach (&dummy);
550 MONO_FAST_TLS_INIT (tls_appdomain);
551 mono_native_tls_alloc (&appdomain_thread_id, NULL);
553 mono_coop_mutex_init_recursive (&appdomains_mutex);
555 mono_metadata_init ();
557 mono_assemblies_init ();
558 mono_classes_init ();
560 mono_reflection_init ();
561 mono_runtime_init_tls ();
563 /* FIXME: When should we release this memory? */
564 MONO_GC_REGISTER_ROOT_FIXED (appdomains_list, MONO_ROOT_SOURCE_DOMAIN, "domains list");
566 domain = mono_domain_create ();
567 mono_root_domain = domain;
569 SET_APPDOMAIN (domain);
571 /* Get a list of runtimes supported by the exe */
572 if (exe_filename != NULL) {
574 * This function will load the exe file as a MonoImage. We need to close it, but
575 * that would mean it would be reloaded later. So instead, we save it to
576 * exe_image, and close it during shutdown.
578 get_runtimes_from_exe (exe_filename, &exe_image, runtimes);
581 exe_image = mono_assembly_open_from_bundle (exe_filename, NULL, FALSE);
583 exe_image = mono_image_open (exe_filename, NULL);
585 mono_fixup_exe_image (exe_image);
587 } else if (runtime_version != NULL) {
588 runtimes [0] = get_runtime_by_version (runtime_version);
592 if (runtimes [0] == NULL) {
593 const MonoRuntimeInfo *default_runtime = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
594 runtimes [0] = default_runtime;
596 g_print ("WARNING: The runtime version supported by this application is unavailable.\n");
597 g_print ("Using default runtime: %s\n", default_runtime->runtime_version);
600 /* The selected runtime will be the first one for which there is a mscrolib.dll */
601 for (n = 0; runtimes [n] != NULL && ass == NULL; n++) {
602 current_runtime = runtimes [n];
603 ass = mono_assembly_load_corlib (current_runtime, &status);
604 if (status != MONO_IMAGE_OK && status != MONO_IMAGE_ERROR_ERRNO)
609 if ((status != MONO_IMAGE_OK) || (ass == NULL)) {
611 case MONO_IMAGE_ERROR_ERRNO: {
612 char *corlib_file = g_build_filename (mono_assembly_getrootdir (), "mono", current_runtime->framework_version, "mscorlib.dll", NULL);
613 g_print ("The assembly mscorlib.dll was not found or could not be loaded.\n");
614 g_print ("It should have been installed in the `%s' directory.\n", corlib_file);
615 g_free (corlib_file);
618 case MONO_IMAGE_IMAGE_INVALID:
619 g_print ("The file %s/mscorlib.dll is an invalid CIL image\n",
620 mono_assembly_getrootdir ());
622 case MONO_IMAGE_MISSING_ASSEMBLYREF:
623 g_print ("Missing assembly reference in %s/mscorlib.dll\n",
624 mono_assembly_getrootdir ());
627 /* to suppress compiler warning */
633 mono_defaults.corlib = mono_assembly_get_image (ass);
635 mono_defaults.object_class = mono_class_load_from_name (
636 mono_defaults.corlib, "System", "Object");
638 mono_defaults.void_class = mono_class_load_from_name (
639 mono_defaults.corlib, "System", "Void");
641 mono_defaults.boolean_class = mono_class_load_from_name (
642 mono_defaults.corlib, "System", "Boolean");
644 mono_defaults.byte_class = mono_class_load_from_name (
645 mono_defaults.corlib, "System", "Byte");
647 mono_defaults.sbyte_class = mono_class_load_from_name (
648 mono_defaults.corlib, "System", "SByte");
650 mono_defaults.int16_class = mono_class_load_from_name (
651 mono_defaults.corlib, "System", "Int16");
653 mono_defaults.uint16_class = mono_class_load_from_name (
654 mono_defaults.corlib, "System", "UInt16");
656 mono_defaults.int32_class = mono_class_load_from_name (
657 mono_defaults.corlib, "System", "Int32");
659 mono_defaults.uint32_class = mono_class_load_from_name (
660 mono_defaults.corlib, "System", "UInt32");
662 mono_defaults.uint_class = mono_class_load_from_name (
663 mono_defaults.corlib, "System", "UIntPtr");
665 mono_defaults.int_class = mono_class_load_from_name (
666 mono_defaults.corlib, "System", "IntPtr");
668 mono_defaults.int64_class = mono_class_load_from_name (
669 mono_defaults.corlib, "System", "Int64");
671 mono_defaults.uint64_class = mono_class_load_from_name (
672 mono_defaults.corlib, "System", "UInt64");
674 mono_defaults.single_class = mono_class_load_from_name (
675 mono_defaults.corlib, "System", "Single");
677 mono_defaults.double_class = mono_class_load_from_name (
678 mono_defaults.corlib, "System", "Double");
680 mono_defaults.char_class = mono_class_load_from_name (
681 mono_defaults.corlib, "System", "Char");
683 mono_defaults.string_class = mono_class_load_from_name (
684 mono_defaults.corlib, "System", "String");
686 mono_defaults.enum_class = mono_class_load_from_name (
687 mono_defaults.corlib, "System", "Enum");
689 mono_defaults.array_class = mono_class_load_from_name (
690 mono_defaults.corlib, "System", "Array");
692 mono_defaults.delegate_class = mono_class_load_from_name (
693 mono_defaults.corlib, "System", "Delegate");
695 mono_defaults.multicastdelegate_class = mono_class_load_from_name (
696 mono_defaults.corlib, "System", "MulticastDelegate");
698 mono_defaults.asyncresult_class = mono_class_load_from_name (
699 mono_defaults.corlib, "System.Runtime.Remoting.Messaging",
702 mono_defaults.manualresetevent_class = mono_class_load_from_name (
703 mono_defaults.corlib, "System.Threading", "ManualResetEvent");
705 mono_defaults.typehandle_class = mono_class_load_from_name (
706 mono_defaults.corlib, "System", "RuntimeTypeHandle");
708 mono_defaults.methodhandle_class = mono_class_load_from_name (
709 mono_defaults.corlib, "System", "RuntimeMethodHandle");
711 mono_defaults.fieldhandle_class = mono_class_load_from_name (
712 mono_defaults.corlib, "System", "RuntimeFieldHandle");
714 mono_defaults.systemtype_class = mono_class_load_from_name (
715 mono_defaults.corlib, "System", "Type");
717 mono_defaults.runtimetype_class = mono_class_load_from_name (
718 mono_defaults.corlib, "System", "RuntimeType");
720 mono_defaults.exception_class = mono_class_load_from_name (
721 mono_defaults.corlib, "System", "Exception");
723 mono_defaults.threadabortexception_class = mono_class_load_from_name (
724 mono_defaults.corlib, "System.Threading", "ThreadAbortException");
726 mono_defaults.thread_class = mono_class_load_from_name (
727 mono_defaults.corlib, "System.Threading", "Thread");
729 mono_defaults.internal_thread_class = mono_class_load_from_name (
730 mono_defaults.corlib, "System.Threading", "InternalThread");
732 mono_defaults.appdomain_class = mono_class_load_from_name (
733 mono_defaults.corlib, "System", "AppDomain");
735 #ifndef DISABLE_REMOTING
736 mono_defaults.transparent_proxy_class = mono_class_load_from_name (
737 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "TransparentProxy");
739 mono_defaults.real_proxy_class = mono_class_load_from_name (
740 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "RealProxy");
742 mono_defaults.marshalbyrefobject_class = mono_class_load_from_name (
743 mono_defaults.corlib, "System", "MarshalByRefObject");
745 mono_defaults.iremotingtypeinfo_class = mono_class_load_from_name (
746 mono_defaults.corlib, "System.Runtime.Remoting", "IRemotingTypeInfo");
750 mono_defaults.mono_method_message_class = mono_class_load_from_name (
751 mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "MonoMethodMessage");
753 mono_defaults.field_info_class = mono_class_load_from_name (
754 mono_defaults.corlib, "System.Reflection", "FieldInfo");
756 mono_defaults.method_info_class = mono_class_load_from_name (
757 mono_defaults.corlib, "System.Reflection", "MethodInfo");
759 mono_defaults.stringbuilder_class = mono_class_load_from_name (
760 mono_defaults.corlib, "System.Text", "StringBuilder");
762 mono_defaults.math_class = mono_class_load_from_name (
763 mono_defaults.corlib, "System", "Math");
765 mono_defaults.stack_frame_class = mono_class_load_from_name (
766 mono_defaults.corlib, "System.Diagnostics", "StackFrame");
768 mono_defaults.stack_trace_class = mono_class_load_from_name (
769 mono_defaults.corlib, "System.Diagnostics", "StackTrace");
771 mono_defaults.marshal_class = mono_class_load_from_name (
772 mono_defaults.corlib, "System.Runtime.InteropServices", "Marshal");
774 mono_defaults.typed_reference_class = mono_class_load_from_name (
775 mono_defaults.corlib, "System", "TypedReference");
777 mono_defaults.argumenthandle_class = mono_class_load_from_name (
778 mono_defaults.corlib, "System", "RuntimeArgumentHandle");
780 mono_defaults.monitor_class = mono_class_load_from_name (
781 mono_defaults.corlib, "System.Threading", "Monitor");
783 Not using GENERATE_TRY_GET_CLASS_WITH_CACHE_DECL as this type is heavily checked by sgen when computing finalization.
785 mono_defaults.critical_finalizer_object = mono_class_try_load_from_name (mono_defaults.corlib,
786 "System.Runtime.ConstrainedExecution", "CriticalFinalizerObject");
788 mono_assembly_load_friends (ass);
790 mono_defaults.handleref_class = mono_class_try_load_from_name (
791 mono_defaults.corlib, "System.Runtime.InteropServices", "HandleRef");
793 mono_defaults.attribute_class = mono_class_load_from_name (
794 mono_defaults.corlib, "System", "Attribute");
796 mono_defaults.customattribute_data_class = mono_class_load_from_name (
797 mono_defaults.corlib, "System.Reflection", "CustomAttributeData");
799 mono_class_init (mono_defaults.array_class);
800 mono_defaults.generic_nullable_class = mono_class_load_from_name (
801 mono_defaults.corlib, "System", "Nullable`1");
802 mono_defaults.generic_ilist_class = mono_class_load_from_name (
803 mono_defaults.corlib, "System.Collections.Generic", "IList`1");
804 mono_defaults.generic_ireadonlylist_class = mono_class_load_from_name (
805 mono_defaults.corlib, "System.Collections.Generic", "IReadOnlyList`1");
807 mono_defaults.threadpool_wait_callback_class = mono_class_load_from_name (
808 mono_defaults.corlib, "System.Threading", "_ThreadPoolWaitCallback");
810 mono_defaults.threadpool_perform_wait_callback_method = mono_class_get_method_from_name (
811 mono_defaults.threadpool_wait_callback_class, "PerformWaitCallback", 0);
813 domain->friendly_name = g_path_get_basename (filename);
815 mono_profiler_appdomain_name (domain, domain->friendly_name);
823 * Creates the initial application domain and initializes the mono_defaults
826 * This function is guaranteed to not run any IL code.
827 * The runtime is initialized using the default runtime version.
829 * Returns: the initial domain.
832 mono_init (const char *domain_name)
834 return mono_init_internal (domain_name, NULL, DEFAULT_RUNTIME_VERSION);
838 * mono_init_from_assembly:
839 * @domain_name: name to give to the initial domain
840 * @filename: filename to load on startup
842 * Used by the runtime, users should use mono_jit_init instead.
844 * Creates the initial application domain and initializes the mono_defaults
846 * This function is guaranteed to not run any IL code.
847 * The runtime is initialized using the runtime version required by the
848 * provided executable. The version is determined by looking at the exe
849 * configuration file and the version PE field)
851 * Returns: the initial domain.
854 mono_init_from_assembly (const char *domain_name, const char *filename)
856 return mono_init_internal (domain_name, filename, NULL);
862 * Used by the runtime, users should use mono_jit_init instead.
864 * Creates the initial application domain and initializes the mono_defaults
867 * This function is guaranteed to not run any IL code.
868 * The runtime is initialized using the provided rutime version.
870 * Returns: the initial domain.
873 mono_init_version (const char *domain_name, const char *version)
875 return mono_init_internal (domain_name, NULL, version);
881 * Cleans up all metadata modules.
886 mono_close_exe_image ();
888 mono_defaults.corlib = NULL;
890 mono_config_cleanup ();
891 mono_loader_cleanup ();
892 mono_classes_cleanup ();
893 mono_assemblies_cleanup ();
894 mono_debug_cleanup ();
895 mono_images_cleanup ();
896 mono_metadata_cleanup ();
898 mono_native_tls_free (appdomain_thread_id);
899 mono_coop_mutex_destroy (&appdomains_mutex);
907 mono_close_exe_image (void)
910 mono_image_close (exe_image);
914 * mono_get_root_domain:
916 * The root AppDomain is the initial domain created by the runtime when it is
917 * initialized. Programs execute on this AppDomain, but can create new ones
918 * later. Currently there is no unmanaged API to create new AppDomains, this
919 * must be done from managed code.
921 * Returns: the root appdomain, to obtain the current domain, use mono_domain_get ()
924 mono_get_root_domain (void)
926 return mono_root_domain;
932 * This method returns the value of the current MonoDomain that this thread
933 * and code are running under. To obtain the root domain use
934 * mono_get_root_domain() API.
936 * Returns: the current domain
941 return GET_APPDOMAIN ();
945 mono_domain_unset (void)
947 SET_APPDOMAIN (NULL);
951 mono_domain_set_internal_with_options (MonoDomain *domain, gboolean migrate_exception)
953 MonoInternalThread *thread;
955 if (mono_domain_get () == domain)
958 SET_APPDOMAIN (domain);
959 SET_APPCONTEXT (domain->default_context);
961 if (migrate_exception) {
962 thread = mono_thread_internal_current ();
963 if (!thread->abort_exc)
966 g_assert (thread->abort_exc->object.vtable->domain != domain);
967 MONO_OBJECT_SETREF (thread, abort_exc, mono_get_exception_thread_abort ());
968 g_assert (thread->abort_exc->object.vtable->domain == domain);
973 * mono_domain_set_internal:
974 * @domain: the new domain
976 * Sets the current domain to @domain.
979 mono_domain_set_internal (MonoDomain *domain)
981 mono_domain_set_internal_with_options (domain, TRUE);
985 * mono_domain_foreach:
986 * @func: function to invoke with the domain data
987 * @user_data: user-defined pointer that is passed to the supplied @func fo reach domain
989 * Use this method to safely iterate over all the loaded application
990 * domains in the current runtime. The provided @func is invoked with a
991 * pointer to the MonoDomain and is given the value of the @user_data
992 * parameter which can be used to pass state to your called routine.
995 mono_domain_foreach (MonoDomainFunc func, gpointer user_data)
1001 * Create a copy of the data to avoid calling the user callback
1002 * inside the lock because that could lead to deadlocks.
1003 * We can do this because this function is not perf. critical.
1005 mono_appdomains_lock ();
1006 size = appdomain_list_size;
1007 copy = (MonoDomain **)mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "temporary domains list");
1008 memcpy (copy, appdomains_list, appdomain_list_size * sizeof (void*));
1009 mono_appdomains_unlock ();
1011 for (i = 0; i < size; ++i) {
1013 func (copy [i], user_data);
1016 mono_gc_free_fixed (copy);
1020 * mono_domain_assembly_open:
1021 * @domain: the application domain
1022 * @name: file name of the assembly
1024 * fixme: maybe we should integrate this with mono_assembly_open ??
1027 mono_domain_assembly_open (MonoDomain *domain, const char *name)
1029 MonoDomain *current;
1033 mono_domain_assemblies_lock (domain);
1034 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1035 ass = (MonoAssembly *)tmp->data;
1036 if (strcmp (name, ass->aname.name) == 0) {
1037 mono_domain_assemblies_unlock (domain);
1041 mono_domain_assemblies_unlock (domain);
1043 if (domain != mono_domain_get ()) {
1044 current = mono_domain_get ();
1046 mono_domain_set (domain, FALSE);
1047 ass = mono_assembly_open (name, NULL);
1048 mono_domain_set (current, FALSE);
1050 ass = mono_assembly_open (name, NULL);
1057 unregister_vtable_reflection_type (MonoVTable *vtable)
1059 MonoObject *type = (MonoObject *)vtable->type;
1061 if (type->vtable->klass != mono_defaults.runtimetype_class)
1062 MONO_GC_UNREGISTER_ROOT_IF_MOVING (vtable->type);
1067 * @domain: the domain to release
1068 * @force: if true, it allows the root domain to be released (used at shutdown only).
1070 * This releases the resources associated with the specific domain.
1071 * This is a low-level function that is invoked by the AppDomain infrastructure
1075 mono_domain_free (MonoDomain *domain, gboolean force)
1077 int code_size, code_alloc;
1081 if ((domain == mono_root_domain) && !force) {
1082 g_warning ("cant unload root domain");
1086 if (mono_dont_free_domains)
1089 mono_profiler_appdomain_event (domain, MONO_PROFILE_START_UNLOAD);
1091 mono_debug_domain_unload (domain);
1093 mono_appdomains_lock ();
1094 appdomains_list [domain->domain_id] = NULL;
1095 mono_appdomains_unlock ();
1097 /* must do this early as it accesses fields and types */
1098 if (domain->special_static_fields) {
1099 mono_alloc_special_static_data_free (domain->special_static_fields);
1100 g_hash_table_destroy (domain->special_static_fields);
1101 domain->special_static_fields = NULL;
1105 * We must destroy all these hash tables here because they
1106 * contain references to managed objects belonging to the
1107 * domain. Once we let the GC clear the domain there must be
1108 * no more such references, or we'll crash if a collection
1111 mono_g_hash_table_destroy (domain->ldstr_table);
1112 domain->ldstr_table = NULL;
1114 mono_g_hash_table_destroy (domain->env);
1117 mono_reflection_cleanup_domain (domain);
1119 /* This must be done before type_hash is freed */
1120 if (domain->class_vtable_array) {
1122 for (i = 0; i < domain->class_vtable_array->len; ++i)
1123 unregister_vtable_reflection_type ((MonoVTable *)g_ptr_array_index (domain->class_vtable_array, i));
1126 if (domain->type_hash) {
1127 mono_g_hash_table_destroy (domain->type_hash);
1128 domain->type_hash = NULL;
1130 if (domain->type_init_exception_hash) {
1131 mono_g_hash_table_destroy (domain->type_init_exception_hash);
1132 domain->type_init_exception_hash = NULL;
1135 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1136 MonoAssembly *ass = (MonoAssembly *)tmp->data;
1137 mono_assembly_release_gc_roots (ass);
1140 /* Have to zero out reference fields since they will be invalidated by the clear_domain () call below */
1141 for (p = (gpointer*)&domain->MONO_DOMAIN_FIRST_OBJECT; p < (gpointer*)&domain->MONO_DOMAIN_FIRST_GC_TRACKED; ++p)
1144 /* This needs to be done before closing assemblies */
1145 mono_gc_clear_domain (domain);
1147 /* Close dynamic assemblies first, since they have no ref count */
1148 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1149 MonoAssembly *ass = (MonoAssembly *)tmp->data;
1150 if (!ass->image || !image_is_dynamic (ass->image))
1152 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);
1153 if (!mono_assembly_close_except_image_pools (ass))
1157 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1158 MonoAssembly *ass = (MonoAssembly *)tmp->data;
1161 if (!ass->image || image_is_dynamic (ass->image))
1163 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);
1164 if (!mono_assembly_close_except_image_pools (ass))
1168 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1169 MonoAssembly *ass = (MonoAssembly *)tmp->data;
1171 mono_assembly_close_finish (ass);
1173 g_slist_free (domain->domain_assemblies);
1174 domain->domain_assemblies = NULL;
1177 * Send this after the assemblies have been unloaded and the domain is still in a
1180 mono_profiler_appdomain_event (domain, MONO_PROFILE_END_UNLOAD);
1182 if (free_domain_hook)
1183 free_domain_hook (domain);
1185 /* FIXME: free delegate_hash_table when it's used */
1186 if (domain->search_path) {
1187 g_strfreev (domain->search_path);
1188 domain->search_path = NULL;
1190 domain->create_proxy_for_type_method = NULL;
1191 domain->private_invoke_method = NULL;
1192 domain->default_context = NULL;
1193 domain->out_of_memory_ex = NULL;
1194 domain->null_reference_ex = NULL;
1195 domain->stack_overflow_ex = NULL;
1196 domain->ephemeron_tombstone = NULL;
1197 domain->entry_assembly = NULL;
1199 g_free (domain->friendly_name);
1200 domain->friendly_name = NULL;
1201 g_ptr_array_free (domain->class_vtable_array, TRUE);
1202 domain->class_vtable_array = NULL;
1203 g_hash_table_destroy (domain->proxy_vtable_hash);
1204 domain->proxy_vtable_hash = NULL;
1205 if (domain->static_data_array) {
1206 mono_gc_free_fixed (domain->static_data_array);
1207 domain->static_data_array = NULL;
1209 mono_internal_hash_table_destroy (&domain->jit_code_hash);
1212 * There might still be jit info tables of this domain which
1213 * are not freed. Since the domain cannot be in use anymore,
1214 * this will free them.
1216 mono_thread_hazardous_try_free_all ();
1217 if (domain->aot_modules)
1218 mono_jit_info_table_free (domain->aot_modules);
1219 g_assert (domain->num_jit_info_tables == 1);
1220 mono_jit_info_table_free (domain->jit_info_table);
1221 domain->jit_info_table = NULL;
1222 g_assert (!domain->jit_info_free_queue);
1224 /* collect statistics */
1225 code_alloc = mono_code_manager_size (domain->code_mp, &code_size);
1226 total_domain_code_alloc += code_alloc;
1227 max_domain_code_alloc = MAX (max_domain_code_alloc, code_alloc);
1228 max_domain_code_size = MAX (max_domain_code_size, code_size);
1230 if (debug_domain_unload) {
1231 mono_mempool_invalidate (domain->mp);
1232 mono_code_manager_invalidate (domain->code_mp);
1234 #ifndef DISABLE_PERFCOUNTERS
1235 mono_perfcounters->loader_bytes -= mono_mempool_get_allocated (domain->mp);
1237 mono_mempool_destroy (domain->mp);
1239 mono_code_manager_destroy (domain->code_mp);
1240 domain->code_mp = NULL;
1242 lock_free_mempool_free (domain->lock_free_mp);
1243 domain->lock_free_mp = NULL;
1245 g_hash_table_destroy (domain->finalizable_objects_hash);
1246 domain->finalizable_objects_hash = NULL;
1247 if (domain->method_rgctx_hash) {
1248 g_hash_table_destroy (domain->method_rgctx_hash);
1249 domain->method_rgctx_hash = NULL;
1251 if (domain->generic_virtual_cases) {
1252 g_hash_table_destroy (domain->generic_virtual_cases);
1253 domain->generic_virtual_cases = NULL;
1255 if (domain->ftnptrs_hash) {
1256 g_hash_table_destroy (domain->ftnptrs_hash);
1257 domain->ftnptrs_hash = NULL;
1259 if (domain->method_to_dyn_method) {
1260 g_hash_table_destroy (domain->method_to_dyn_method);
1261 domain->method_to_dyn_method = NULL;
1264 mono_os_mutex_destroy (&domain->finalizable_objects_hash_lock);
1265 mono_os_mutex_destroy (&domain->assemblies_lock);
1266 mono_os_mutex_destroy (&domain->jit_code_hash_lock);
1268 mono_coop_mutex_destroy (&domain->lock);
1270 domain->setup = NULL;
1272 mono_gc_deregister_root ((char*)&(domain->MONO_DOMAIN_FIRST_GC_TRACKED));
1274 /* FIXME: anything else required ? */
1276 mono_gc_free_fixed (domain);
1278 #ifndef DISABLE_PERFCOUNTERS
1279 mono_perfcounters->loader_appdomains--;
1282 if (domain == mono_root_domain)
1283 mono_root_domain = NULL;
1287 * mono_domain_get_by_id:
1290 * Returns: the domain for a specific domain id.
1293 mono_domain_get_by_id (gint32 domainid)
1295 MonoDomain * domain;
1297 mono_appdomains_lock ();
1298 if (domainid < appdomain_list_size)
1299 domain = appdomains_list [domainid];
1302 mono_appdomains_unlock ();
1308 * mono_domain_get_id:
1310 * A domain ID is guaranteed to be unique for as long as the domain
1311 * using it is alive. It may be reused later once the domain has been
1314 * Returns: The unique ID for @domain.
1317 mono_domain_get_id (MonoDomain *domain)
1319 return domain->domain_id;
1323 * mono_domain_get_friendly_name:
1325 * The returned string's lifetime is the same as @domain's. Consider
1326 * copying it if you need to store it somewhere.
1328 * Returns: The friendly name of @domain. Can be NULL if not yet set.
1331 mono_domain_get_friendly_name (MonoDomain *domain)
1333 return domain->friendly_name;
1337 * mono_domain_alloc:
1339 * LOCKING: Acquires the domain lock.
1342 mono_domain_alloc (MonoDomain *domain, guint size)
1346 mono_domain_lock (domain);
1347 #ifndef DISABLE_PERFCOUNTERS
1348 mono_perfcounters->loader_bytes += size;
1350 res = mono_mempool_alloc (domain->mp, size);
1351 mono_domain_unlock (domain);
1357 * mono_domain_alloc0:
1359 * LOCKING: Acquires the domain lock.
1362 mono_domain_alloc0 (MonoDomain *domain, guint size)
1366 mono_domain_lock (domain);
1367 #ifndef DISABLE_PERFCOUNTERS
1368 mono_perfcounters->loader_bytes += size;
1370 res = mono_mempool_alloc0 (domain->mp, size);
1371 mono_domain_unlock (domain);
1377 mono_domain_alloc0_lock_free (MonoDomain *domain, guint size)
1379 return lock_free_mempool_alloc0 (domain->lock_free_mp, size);
1383 * mono_domain_code_reserve:
1385 * LOCKING: Acquires the domain lock.
1388 mono_domain_code_reserve (MonoDomain *domain, int size)
1392 mono_domain_lock (domain);
1393 res = mono_code_manager_reserve (domain->code_mp, size);
1394 mono_domain_unlock (domain);
1400 * mono_domain_code_reserve_align:
1402 * LOCKING: Acquires the domain lock.
1405 mono_domain_code_reserve_align (MonoDomain *domain, int size, int alignment)
1409 mono_domain_lock (domain);
1410 res = mono_code_manager_reserve_align (domain->code_mp, size, alignment);
1411 mono_domain_unlock (domain);
1417 * mono_domain_code_commit:
1419 * LOCKING: Acquires the domain lock.
1422 mono_domain_code_commit (MonoDomain *domain, void *data, int size, int newsize)
1424 mono_domain_lock (domain);
1425 mono_code_manager_commit (domain->code_mp, data, size, newsize);
1426 mono_domain_unlock (domain);
1430 * mono_domain_code_foreach:
1431 * Iterate over the code thunks of the code manager of @domain.
1433 * The @func callback MUST not take any locks. If it really needs to, it must respect
1434 * the locking rules of the runtime: http://www.mono-project.com/Mono:Runtime:Documentation:ThreadSafety
1435 * LOCKING: Acquires the domain lock.
1439 mono_domain_code_foreach (MonoDomain *domain, MonoCodeManagerFunc func, void *user_data)
1441 mono_domain_lock (domain);
1442 mono_code_manager_foreach (domain->code_mp, func, user_data);
1443 mono_domain_unlock (domain);
1448 mono_context_set (MonoAppContext * new_context)
1450 SET_APPCONTEXT (new_context);
1456 * Returns: the current Mono Application Context.
1459 mono_context_get (void)
1461 return GET_APPCONTEXT ();
1465 * mono_context_get_id:
1466 * @context: the context to operate on.
1468 * Context IDs are guaranteed to be unique for the duration of a Mono
1469 * process; they are never reused.
1471 * Returns: The unique ID for @context.
1474 mono_context_get_id (MonoAppContext *context)
1476 return context->context_id;
1480 * mono_context_get_domain_id:
1481 * @context: the context to operate on.
1483 * Returns: The ID of the domain that @context was created in.
1486 mono_context_get_domain_id (MonoAppContext *context)
1488 return context->domain_id;
1491 /* LOCKING: the caller holds the lock for this domain */
1493 mono_domain_add_class_static_data (MonoDomain *domain, MonoClass *klass, gpointer data, guint32 *bitmap)
1495 /* Note [Domain Static Data Array]:
1497 * Entry 0 in the array is the index of the next free slot.
1498 * Entry 1 is the total size of the array.
1501 if (domain->static_data_array) {
1502 int size = GPOINTER_TO_INT (domain->static_data_array [1]);
1503 next = GPOINTER_TO_INT (domain->static_data_array [0]);
1505 /* 'data' is allocated by alloc_fixed */
1506 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");
1507 mono_gc_memmove_aligned (new_array, domain->static_data_array, sizeof (gpointer) * size);
1509 new_array [1] = GINT_TO_POINTER (size);
1510 mono_gc_free_fixed (domain->static_data_array);
1511 domain->static_data_array = new_array;
1515 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");
1517 new_array [0] = GINT_TO_POINTER (next);
1518 new_array [1] = GINT_TO_POINTER (size);
1519 domain->static_data_array = new_array;
1521 domain->static_data_array [next++] = data;
1522 domain->static_data_array [0] = GINT_TO_POINTER (next);
1528 * Use this function to get the `MonoImage*` for the mscorlib.dll assembly
1530 * Returns: The MonoImage for mscorlib.dll
1533 mono_get_corlib (void)
1535 return mono_defaults.corlib;
1539 * mono_get_object_class:
1541 * Use this function to get the `MonoClass*` that the runtime is using for `System.Object`.
1543 * Returns: The `MonoClass*` for the `System.Object` type.
1546 mono_get_object_class (void)
1548 return mono_defaults.object_class;
1552 * mono_get_byte_class:
1554 * Use this function to get the `MonoClass*` that the runtime is using for `System.Byte`.
1556 * Returns: The `MonoClass*` for the `System.Byte` type.
1559 mono_get_byte_class (void)
1561 return mono_defaults.byte_class;
1565 * mono_get_void_class:
1567 * Use this function to get the `MonoClass*` that the runtime is using for `System.Void`.
1569 * Returns: The `MonoClass*` for the `System.Void` type.
1572 mono_get_void_class (void)
1574 return mono_defaults.void_class;
1578 * mono_get_boolean_class:
1580 * Use this function to get the `MonoClass*` that the runtime is using for `System.Boolean`.
1582 * Returns: The `MonoClass*` for the `System.Boolean` type.
1585 mono_get_boolean_class (void)
1587 return mono_defaults.boolean_class;
1591 * mono_get_sbyte_class:
1593 * Use this function to get the `MonoClass*` that the runtime is using for `System.SByte`.
1595 * Returns: The `MonoClass*` for the `System.SByte` type.
1598 mono_get_sbyte_class (void)
1600 return mono_defaults.sbyte_class;
1604 * mono_get_int16_class:
1606 * Use this function to get the `MonoClass*` that the runtime is using for `System.Int16`.
1608 * Returns: The `MonoClass*` for the `System.Int16` type.
1611 mono_get_int16_class (void)
1613 return mono_defaults.int16_class;
1617 * mono_get_uint16_class:
1619 * Use this function to get the `MonoClass*` that the runtime is using for `System.UInt16`.
1621 * Returns: The `MonoClass*` for the `System.UInt16` type.
1624 mono_get_uint16_class (void)
1626 return mono_defaults.uint16_class;
1630 * mono_get_int32_class:
1632 * Use this function to get the `MonoClass*` that the runtime is using for `System.Int32`.
1634 * Returns: The `MonoClass*` for the `System.Int32` type.
1637 mono_get_int32_class (void)
1639 return mono_defaults.int32_class;
1643 * mono_get_uint32_class:
1645 * Use this function to get the `MonoClass*` that the runtime is using for `System.UInt32`.
1647 * Returns: The `MonoClass*` for the `System.UInt32` type.
1650 mono_get_uint32_class (void)
1652 return mono_defaults.uint32_class;
1656 * mono_get_intptr_class:
1658 * Use this function to get the `MonoClass*` that the runtime is using for `System.IntPtr`.
1660 * Returns: The `MonoClass*` for the `System.IntPtr` type.
1663 mono_get_intptr_class (void)
1665 return mono_defaults.int_class;
1669 * mono_get_uintptr_class:
1671 * Use this function to get the `MonoClass*` that the runtime is using for `System.UIntPtr`.
1673 * Returns: The `MonoClass*` for the `System.UIntPtr` type.
1676 mono_get_uintptr_class (void)
1678 return mono_defaults.uint_class;
1682 * mono_get_int64_class:
1684 * Use this function to get the `MonoClass*` that the runtime is using for `System.Int64`.
1686 * Returns: The `MonoClass*` for the `System.Int64` type.
1689 mono_get_int64_class (void)
1691 return mono_defaults.int64_class;
1695 * mono_get_uint64_class:
1697 * Use this function to get the `MonoClass*` that the runtime is using for `System.UInt64`.
1699 * Returns: The `MonoClass*` for the `System.UInt64` type.
1702 mono_get_uint64_class (void)
1704 return mono_defaults.uint64_class;
1708 * mono_get_single_class:
1710 * Use this function to get the `MonoClass*` that the runtime is using for `System.Single` (32-bit floating points).
1712 * Returns: The `MonoClass*` for the `System.Single` type.
1715 mono_get_single_class (void)
1717 return mono_defaults.single_class;
1721 * mono_get_double_class:
1723 * Use this function to get the `MonoClass*` that the runtime is using for `System.Double` (64-bit floating points).
1725 * Returns: The `MonoClass*` for the `System.Double` type.
1728 mono_get_double_class (void)
1730 return mono_defaults.double_class;
1734 * mono_get_char_class:
1736 * Use this function to get the `MonoClass*` that the runtime is using for `System.Char`.
1738 * Returns: The `MonoClass*` for the `System.Char` type.
1741 mono_get_char_class (void)
1743 return mono_defaults.char_class;
1747 * mono_get_string_class:
1749 * Use this function to get the `MonoClass*` that the runtime is using for `System.String`.
1751 * Returns: The `MonoClass*` for the `System.String` type.
1754 mono_get_string_class (void)
1756 return mono_defaults.string_class;
1760 * mono_get_enum_class:
1762 * Use this function to get the `MonoClass*` that the runtime is using for `System.Enum`.
1764 * Returns: The `MonoClass*` for the `System.Enum` type.
1767 mono_get_enum_class (void)
1769 return mono_defaults.enum_class;
1773 * mono_get_array_class:
1775 * Use this function to get the `MonoClass*` that the runtime is using for `System.Array`.
1777 * Returns: The `MonoClass*` for the `System.Array` type.
1780 mono_get_array_class (void)
1782 return mono_defaults.array_class;
1786 * mono_get_thread_class:
1788 * Use this function to get the `MonoClass*` that the runtime is using for `System.Threading.Thread`.
1790 * Returns: The `MonoClass*` for the `System.Threading.Thread` type.
1793 mono_get_thread_class (void)
1795 return mono_defaults.thread_class;
1799 * mono_get_exception_class:
1801 * Use this function to get the `MonoClass*` that the runtime is using for `System.Exception`.
1803 * Returns: The `MonoClass*` for the `` type.
1806 mono_get_exception_class (void)
1808 return mono_defaults.exception_class;
1812 static char* get_attribute_value (const gchar **attribute_names,
1813 const gchar **attribute_values,
1814 const char *att_name)
1817 for (n=0; attribute_names[n] != NULL; n++) {
1818 if (strcmp (attribute_names[n], att_name) == 0)
1819 return g_strdup (attribute_values[n]);
1824 static void start_element (GMarkupParseContext *context,
1825 const gchar *element_name,
1826 const gchar **attribute_names,
1827 const gchar **attribute_values,
1831 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
1833 if (strcmp (element_name, "configuration") == 0) {
1834 app_config->configuration_count++;
1837 if (strcmp (element_name, "startup") == 0) {
1838 app_config->startup_count++;
1842 if (app_config->configuration_count != 1 || app_config->startup_count != 1)
1845 if (strcmp (element_name, "requiredRuntime") == 0) {
1846 app_config->required_runtime = get_attribute_value (attribute_names, attribute_values, "version");
1847 } else if (strcmp (element_name, "supportedRuntime") == 0) {
1848 char *version = get_attribute_value (attribute_names, attribute_values, "version");
1849 app_config->supported_runtimes = g_slist_append (app_config->supported_runtimes, version);
1853 static void end_element (GMarkupParseContext *context,
1854 const gchar *element_name,
1858 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
1860 if (strcmp (element_name, "configuration") == 0) {
1861 app_config->configuration_count--;
1862 } else if (strcmp (element_name, "startup") == 0) {
1863 app_config->startup_count--;
1867 static const GMarkupParser
1876 static AppConfigInfo *
1877 app_config_parse (const char *exe_filename)
1879 AppConfigInfo *app_config;
1880 GMarkupParseContext *context;
1883 const char *bundled_config;
1884 char *config_filename;
1886 bundled_config = mono_config_string_for_assembly_file (exe_filename);
1888 if (bundled_config) {
1889 text = g_strdup (bundled_config);
1890 len = strlen (text);
1892 config_filename = g_strconcat (exe_filename, ".config", NULL);
1894 if (!g_file_get_contents (config_filename, &text, &len, NULL)) {
1895 g_free (config_filename);
1898 g_free (config_filename);
1901 app_config = g_new0 (AppConfigInfo, 1);
1903 context = g_markup_parse_context_new (&mono_parser, (GMarkupParseFlags)0, app_config, NULL);
1904 if (g_markup_parse_context_parse (context, text, len, NULL)) {
1905 g_markup_parse_context_end_parse (context, NULL);
1907 g_markup_parse_context_free (context);
1913 app_config_free (AppConfigInfo* app_config)
1916 GSList *list = app_config->supported_runtimes;
1917 while (list != NULL) {
1918 rt = (char*)list->data;
1920 list = g_slist_next (list);
1922 g_slist_free (app_config->supported_runtimes);
1923 g_free (app_config->required_runtime);
1924 g_free (app_config);
1928 static const MonoRuntimeInfo*
1929 get_runtime_by_version (const char *version)
1932 int max = G_N_ELEMENTS (supported_runtimes);
1938 for (n=0; n<max; n++) {
1939 if (strcmp (version, supported_runtimes[n].runtime_version) == 0)
1940 return &supported_runtimes[n];
1943 vlen = strlen (version);
1944 if (vlen >= 4 && version [1] - '0' >= 4) {
1945 for (n=0; n<max; n++) {
1946 if (strncmp (version, supported_runtimes[n].runtime_version, 4) == 0)
1947 return &supported_runtimes[n];
1955 get_runtimes_from_exe (const char *exe_file, MonoImage **exe_image, const MonoRuntimeInfo** runtimes)
1957 AppConfigInfo* app_config;
1959 const MonoRuntimeInfo* runtime = NULL;
1960 MonoImage *image = NULL;
1962 app_config = app_config_parse (exe_file);
1964 if (app_config != NULL) {
1965 /* Check supportedRuntime elements, if none is supported, fail.
1966 * If there are no such elements, look for a requiredRuntime element.
1968 if (app_config->supported_runtimes != NULL) {
1970 GSList *list = app_config->supported_runtimes;
1971 while (list != NULL) {
1972 version = (char*) list->data;
1973 runtime = get_runtime_by_version (version);
1974 if (runtime != NULL)
1975 runtimes [n++] = runtime;
1976 list = g_slist_next (list);
1978 runtimes [n] = NULL;
1979 app_config_free (app_config);
1983 /* Check the requiredRuntime element. This is for 1.0 apps only. */
1984 if (app_config->required_runtime != NULL) {
1985 runtimes [0] = get_runtime_by_version (app_config->required_runtime);
1986 runtimes [1] = NULL;
1987 app_config_free (app_config);
1990 app_config_free (app_config);
1993 /* Look for a runtime with the exact version */
1994 image = mono_assembly_open_from_bundle (exe_file, NULL, FALSE);
1997 image = mono_image_open (exe_file, NULL);
1999 if (image == NULL) {
2000 /* The image is wrong or the file was not found. In this case return
2001 * a default runtime and leave to the initialization method the work of
2002 * reporting the error.
2004 runtimes [0] = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
2005 runtimes [1] = NULL;
2011 runtimes [0] = get_runtime_by_version (image->version);
2012 runtimes [1] = NULL;
2017 * mono_get_runtime_info:
2019 * Returns: the version of the current runtime instance.
2021 const MonoRuntimeInfo*
2022 mono_get_runtime_info (void)
2024 return current_runtime;
2028 * mono_framework_version:
2030 * Return the major version of the framework curently executing.
2033 mono_framework_version (void)
2035 return current_runtime->framework_version [0] - '0';
2039 mono_enable_debug_domain_unload (gboolean enable)
2041 debug_domain_unload = enable;
2044 MonoAotCacheConfig *
2045 mono_get_aot_cache_config (void)
2047 return &aot_cache_config;
2051 mono_domain_lock (MonoDomain *domain)
2053 mono_locks_coop_acquire (&domain->lock, DomainLock);
2057 mono_domain_unlock (MonoDomain *domain)
2059 mono_locks_coop_release (&domain->lock, DomainLock);