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/debug-internals.h>
35 #include <mono/metadata/assembly.h>
36 #include <mono/metadata/exception.h>
37 #include <mono/metadata/metadata-internals.h>
38 #include <mono/metadata/appdomain.h>
39 #include <mono/metadata/mono-config.h>
40 #include <mono/metadata/threads-types.h>
41 #include <mono/metadata/runtime.h>
42 #include <mono/metadata/w32mutex.h>
43 #include <mono/metadata/w32semaphore.h>
44 #include <mono/metadata/w32event.h>
45 #include <mono/metadata/w32process.h>
46 #include <mono/metadata/w32file.h>
47 #include <metadata/threads.h>
48 #include <metadata/profiler-private.h>
49 #include <mono/metadata/coree.h>
51 //#define DEBUG_DOMAIN_UNLOAD 1
53 #define GET_APPDOMAIN() ((MonoDomain*)mono_tls_get_domain ())
54 #define SET_APPDOMAIN(x) do { \
55 MonoThreadInfo *info; \
56 mono_tls_set_domain (x); \
57 info = mono_thread_info_current (); \
59 mono_thread_info_tls_set (info, TLS_KEY_DOMAIN, (x)); \
62 #define GET_APPCONTEXT() (mono_thread_internal_current ()->current_appcontext)
63 #define SET_APPCONTEXT(x) MONO_OBJECT_SETREF (mono_thread_internal_current (), current_appcontext, (x))
65 static guint16 appdomain_list_size = 0;
66 static guint16 appdomain_next = 0;
67 static MonoDomain **appdomains_list = NULL;
68 static MonoImage *exe_image;
69 static gboolean debug_domain_unload;
71 gboolean mono_dont_free_domains;
73 #define mono_appdomains_lock() mono_coop_mutex_lock (&appdomains_mutex)
74 #define mono_appdomains_unlock() mono_coop_mutex_unlock (&appdomains_mutex)
75 static MonoCoopMutex appdomains_mutex;
77 static MonoDomain *mono_root_domain = NULL;
80 static int max_domain_code_size = 0;
81 static int max_domain_code_alloc = 0;
82 static int total_domain_code_alloc = 0;
84 /* AppConfigInfo: Information about runtime versions supported by an
88 GSList *supported_runtimes;
89 char *required_runtime;
90 int configuration_count;
94 static const MonoRuntimeInfo *current_runtime = NULL;
96 #define NOT_AVAIL {0xffffU,0xffffU,0xffffU,0xffffU}
98 /* This is the list of runtime versions supported by this JIT.
100 static const MonoRuntimeInfo supported_runtimes[] = {
101 {"v4.0.30319","4.5", { {4,0,0,0}, {10,0,0,0}, {4,0,0,0}, {4,0,0,0}, {4,0,0,0} } },
102 {"mobile", "2.1", { {2,0,5,0}, {10,0,0,0}, {2,0,5,0}, {2,0,5,0}, {4,0,0,0} } },
103 {"moonlight", "2.1", { {2,0,5,0}, { 9,0,0,0}, {3,5,0,0}, {3,0,0,0}, NOT_AVAIL } },
109 /* The stable runtime version */
110 #define DEFAULT_RUNTIME_VERSION "v4.0.30319"
112 /* Callbacks installed by the JIT */
113 static MonoCreateDomainFunc create_domain_hook;
114 static MonoFreeDomainFunc free_domain_hook;
116 /* AOT cache configuration */
117 static MonoAotCacheConfig aot_cache_config;
120 get_runtimes_from_exe (const char *exe_file, MonoImage **exe_image, const MonoRuntimeInfo** runtimes);
122 static const MonoRuntimeInfo*
123 get_runtime_by_version (const char *version);
125 #define ALIGN_TO(val,align) ((((guint64)val) + ((align) - 1)) & ~((align) - 1))
126 #define ALIGN_PTR_TO(ptr,align) (gpointer)((((gssize)(ptr)) + (align - 1)) & (~(align - 1)))
128 static LockFreeMempool*
129 lock_free_mempool_new (void)
131 return g_new0 (LockFreeMempool, 1);
135 lock_free_mempool_free (LockFreeMempool *mp)
137 LockFreeMempoolChunk *chunk, *next;
141 next = (LockFreeMempoolChunk *)chunk->prev;
142 mono_vfree (chunk, mono_pagesize (), MONO_MEM_ACCOUNT_DOMAIN);
151 static LockFreeMempoolChunk*
152 lock_free_mempool_chunk_new (LockFreeMempool *mp, int len)
154 LockFreeMempoolChunk *chunk, *prev;
157 size = mono_pagesize ();
158 while (size - sizeof (LockFreeMempoolChunk) < len)
159 size += mono_pagesize ();
160 chunk = (LockFreeMempoolChunk *)mono_valloc (0, size, MONO_MMAP_READ|MONO_MMAP_WRITE, MONO_MEM_ACCOUNT_DOMAIN);
162 chunk->mem = (guint8 *)ALIGN_PTR_TO ((char*)chunk + sizeof (LockFreeMempoolChunk), 16);
163 chunk->size = ((char*)chunk + size) - (char*)chunk->mem;
166 /* Add to list of chunks lock-free */
169 if (InterlockedCompareExchangePointer ((volatile gpointer*)&mp->chunks, chunk, prev) == prev)
181 lock_free_mempool_alloc0 (LockFreeMempool *mp, guint size)
183 LockFreeMempoolChunk *chunk;
187 // FIXME: Free the allocator
189 size = ALIGN_TO (size, 8);
192 chunk = lock_free_mempool_chunk_new (mp, size);
193 mono_memory_barrier ();
198 /* The code below is lock-free, 'chunk' is shared state */
199 oldpos = InterlockedExchangeAdd (&chunk->pos, size);
200 if (oldpos + size > chunk->size) {
201 chunk = lock_free_mempool_chunk_new (mp, size);
202 g_assert (chunk->pos + size <= chunk->size);
205 mono_memory_barrier ();
208 res = (char*)chunk->mem + oldpos;
215 mono_install_create_domain_hook (MonoCreateDomainFunc func)
217 create_domain_hook = func;
221 mono_install_free_domain_hook (MonoFreeDomainFunc func)
223 free_domain_hook = func;
228 * @s1: First string to compare
229 * @s2: Second string to compare
231 * Compares two `MonoString*` instances ordinally for equality.
233 * Returns FALSE if the strings differ.
236 mono_string_equal (MonoString *s1, MonoString *s2)
238 int l1 = mono_string_length (s1);
239 int l2 = mono_string_length (s2);
246 return memcmp (mono_string_chars (s1), mono_string_chars (s2), l1 * 2) == 0;
251 * @s: the string to hash
253 * Compute the hash for a `MonoString*`
254 * Returns the hash for the string.
257 mono_string_hash (MonoString *s)
259 const guint16 *p = mono_string_chars (s);
260 int i, len = mono_string_length (s);
263 for (i = 0; i < len; i++) {
264 h = (h << 5) - h + *p;
272 mono_ptrarray_equal (gpointer *s1, gpointer *s2)
274 int len = GPOINTER_TO_INT (s1 [0]);
275 if (len != GPOINTER_TO_INT (s2 [0]))
278 return memcmp (s1 + 1, s2 + 1, len * sizeof(gpointer)) == 0;
282 mono_ptrarray_hash (gpointer *s)
285 int len = GPOINTER_TO_INT (s [0]);
288 for (i = 1; i < len; i++)
289 hash += GPOINTER_TO_UINT (s [i]);
295 * Allocate an id for domain and set domain->domain_id.
296 * LOCKING: must be called while holding appdomains_mutex.
297 * We try to assign low numbers to the domain, so it can be used
298 * as an index in data tables to lookup domain-specific info
299 * with minimal memory overhead. We also try not to reuse the
300 * same id too quickly (to help debugging).
303 domain_id_alloc (MonoDomain *domain)
306 if (!appdomains_list) {
307 appdomain_list_size = 2;
308 appdomains_list = (MonoDomain **)mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "domains list");
310 for (i = appdomain_next; i < appdomain_list_size; ++i) {
311 if (!appdomains_list [i]) {
317 for (i = 0; i < appdomain_next; ++i) {
318 if (!appdomains_list [i]) {
325 MonoDomain **new_list;
326 int new_size = appdomain_list_size * 2;
327 if (new_size >= (1 << 16))
328 g_assert_not_reached ();
329 id = appdomain_list_size;
330 new_list = (MonoDomain **)mono_gc_alloc_fixed (new_size * sizeof (void*), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "domains list");
331 memcpy (new_list, appdomains_list, appdomain_list_size * sizeof (void*));
332 mono_gc_free_fixed (appdomains_list);
333 appdomains_list = new_list;
334 appdomain_list_size = new_size;
336 domain->domain_id = id;
337 appdomains_list [id] = domain;
339 if (appdomain_next > appdomain_list_size)
344 static gsize domain_gc_bitmap [sizeof(MonoDomain)/4/32 + 1];
345 static MonoGCDescriptor domain_gc_desc = MONO_GC_DESCRIPTOR_NULL;
346 static guint32 domain_shadow_serial = 0L;
349 * mono_domain_create:
351 * Creates a new application domain, the unmanaged representation
352 * of the actual domain. Usually you will want to create the
354 * Application domains provide an isolation facilty for assemblies. You
355 * can load assemblies and execute code in them that will not be visible
356 * to other application domains. This is a runtime-based virtualization
359 * It is possible to unload domains, which unloads the assemblies and
360 * data that was allocated in that domain.
362 * When a domain is created a mempool is allocated for domain-specific
363 * structures, along a dedicated code manager to hold code that is
364 * associated with the domain.
366 * Returns: New initialized MonoDomain, with no configuration or assemblies
370 mono_domain_create (void)
373 guint32 shadow_serial;
375 mono_appdomains_lock ();
376 shadow_serial = domain_shadow_serial++;
378 if (!domain_gc_desc) {
379 unsigned int i, bit = 0;
380 for (i = G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_OBJECT); i < G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_GC_TRACKED); i += sizeof (gpointer)) {
381 bit = i / sizeof (gpointer);
382 domain_gc_bitmap [bit / 32] |= (gsize) 1 << (bit % 32);
384 domain_gc_desc = mono_gc_make_descr_from_bitmap ((gsize*)domain_gc_bitmap, bit + 1);
386 mono_appdomains_unlock ();
389 domain = (MonoDomain *)mono_gc_alloc_fixed (sizeof (MonoDomain), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "domain object");
391 domain = (MonoDomain *)mono_gc_alloc_fixed (sizeof (MonoDomain), domain_gc_desc, MONO_ROOT_SOURCE_DOMAIN, "domain object");
392 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");
394 domain->shadow_serial = shadow_serial;
395 domain->domain = NULL;
396 domain->setup = NULL;
397 domain->friendly_name = NULL;
398 domain->search_path = NULL;
400 mono_profiler_appdomain_event (domain, MONO_PROFILE_START_LOAD);
402 domain->mp = mono_mempool_new ();
403 domain->code_mp = mono_code_manager_new ();
404 domain->lock_free_mp = lock_free_mempool_new ();
405 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");
406 domain->domain_assemblies = NULL;
407 domain->assembly_bindings = NULL;
408 domain->assembly_bindings_parsed = FALSE;
409 domain->class_vtable_array = g_ptr_array_new ();
410 domain->proxy_vtable_hash = g_hash_table_new ((GHashFunc)mono_ptrarray_hash, (GCompareFunc)mono_ptrarray_equal);
411 domain->static_data_array = NULL;
412 mono_jit_code_hash_init (&domain->jit_code_hash);
413 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");
414 domain->num_jit_info_tables = 1;
415 domain->jit_info_table = mono_jit_info_table_new (domain);
416 domain->jit_info_free_queue = NULL;
417 domain->finalizable_objects_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
418 domain->ftnptrs_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
420 mono_coop_mutex_init_recursive (&domain->lock);
422 mono_os_mutex_init_recursive (&domain->assemblies_lock);
423 mono_os_mutex_init_recursive (&domain->jit_code_hash_lock);
424 mono_os_mutex_init_recursive (&domain->finalizable_objects_hash_lock);
426 domain->method_rgctx_hash = NULL;
428 mono_appdomains_lock ();
429 domain_id_alloc (domain);
430 mono_appdomains_unlock ();
432 #ifndef DISABLE_PERFCOUNTERS
433 mono_perfcounters->loader_appdomains++;
434 mono_perfcounters->loader_total_appdomains++;
437 mono_debug_domain_create (domain);
439 if (create_domain_hook)
440 create_domain_hook (domain);
442 mono_profiler_appdomain_loaded (domain, MONO_PROFILE_OK);
448 * mono_init_internal:
450 * Creates the initial application domain and initializes the mono_defaults
452 * This function is guaranteed to not run any IL code.
453 * If exe_filename is not NULL, the method will determine the required runtime
454 * from the exe configuration file or the version PE field.
455 * If runtime_version is not NULL, that runtime version will be used.
456 * Either exe_filename or runtime_version must be provided.
458 * Returns: the initial domain.
461 mono_init_internal (const char *filename, const char *exe_filename, const char *runtime_version)
463 static MonoDomain *domain = NULL;
464 MonoAssembly *ass = NULL;
465 MonoImageOpenStatus status = MONO_IMAGE_OK;
466 const MonoRuntimeInfo* runtimes [G_N_ELEMENTS (supported_runtimes) + 1] = { NULL };
469 #ifdef DEBUG_DOMAIN_UNLOAD
470 debug_domain_unload = TRUE;
474 g_assert_not_reached ();
476 #if defined(HOST_WIN32) && G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT)
477 /* Avoid system error message boxes. */
478 SetErrorMode (SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
482 mono_w32handle_init ();
483 mono_w32handle_namespace_init ();
486 mono_w32mutex_init ();
487 mono_w32semaphore_init ();
488 mono_w32event_init ();
489 mono_w32process_init ();
490 mono_w32file_init ();
492 #ifndef DISABLE_PERFCOUNTERS
493 mono_perfcounters_init ();
495 mono_counters_init ();
497 mono_counters_register ("Max native code in a domain", MONO_COUNTER_INT|MONO_COUNTER_JIT, &max_domain_code_size);
498 mono_counters_register ("Max code space allocated in a domain", MONO_COUNTER_INT|MONO_COUNTER_JIT, &max_domain_code_alloc);
499 mono_counters_register ("Total code space allocated", MONO_COUNTER_INT|MONO_COUNTER_JIT, &total_domain_code_alloc);
501 mono_counters_register ("Max HashTable Chain Length", MONO_COUNTER_INT|MONO_COUNTER_METADATA, &mono_g_hash_table_max_chain_length);
503 mono_gc_base_init ();
504 mono_thread_info_attach (&dummy);
506 mono_coop_mutex_init_recursive (&appdomains_mutex);
508 mono_metadata_init ();
510 mono_assemblies_init ();
511 mono_classes_init ();
513 mono_reflection_init ();
514 mono_runtime_init_tls ();
516 domain = mono_domain_create ();
517 mono_root_domain = domain;
519 SET_APPDOMAIN (domain);
521 /* Get a list of runtimes supported by the exe */
522 if (exe_filename != NULL) {
524 * This function will load the exe file as a MonoImage. We need to close it, but
525 * that would mean it would be reloaded later. So instead, we save it to
526 * exe_image, and close it during shutdown.
528 get_runtimes_from_exe (exe_filename, &exe_image, runtimes);
531 exe_image = mono_assembly_open_from_bundle (exe_filename, NULL, FALSE);
533 exe_image = mono_image_open (exe_filename, NULL);
535 mono_fixup_exe_image (exe_image);
537 } else if (runtime_version != NULL) {
538 runtimes [0] = get_runtime_by_version (runtime_version);
542 if (runtimes [0] == NULL) {
543 const MonoRuntimeInfo *default_runtime = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
544 runtimes [0] = default_runtime;
546 g_print ("WARNING: The runtime version supported by this application is unavailable.\n");
547 g_print ("Using default runtime: %s\n", default_runtime->runtime_version);
550 /* The selected runtime will be the first one for which there is a mscrolib.dll */
551 for (n = 0; runtimes [n] != NULL && ass == NULL; n++) {
552 current_runtime = runtimes [n];
553 ass = mono_assembly_load_corlib (current_runtime, &status);
554 if (status != MONO_IMAGE_OK && status != MONO_IMAGE_ERROR_ERRNO)
559 if ((status != MONO_IMAGE_OK) || (ass == NULL)) {
561 case MONO_IMAGE_ERROR_ERRNO: {
562 char *corlib_file = g_build_filename (mono_assembly_getrootdir (), "mono", current_runtime->framework_version, "mscorlib.dll", NULL);
563 g_print ("The assembly mscorlib.dll was not found or could not be loaded.\n");
564 g_print ("It should have been installed in the `%s' directory.\n", corlib_file);
565 g_free (corlib_file);
568 case MONO_IMAGE_IMAGE_INVALID:
569 g_print ("The file %s/mscorlib.dll is an invalid CIL image\n",
570 mono_assembly_getrootdir ());
572 case MONO_IMAGE_MISSING_ASSEMBLYREF:
573 g_print ("Missing assembly reference in %s/mscorlib.dll\n",
574 mono_assembly_getrootdir ());
577 /* to suppress compiler warning */
583 mono_defaults.corlib = mono_assembly_get_image (ass);
585 mono_defaults.object_class = mono_class_load_from_name (
586 mono_defaults.corlib, "System", "Object");
588 mono_defaults.void_class = mono_class_load_from_name (
589 mono_defaults.corlib, "System", "Void");
591 mono_defaults.boolean_class = mono_class_load_from_name (
592 mono_defaults.corlib, "System", "Boolean");
594 mono_defaults.byte_class = mono_class_load_from_name (
595 mono_defaults.corlib, "System", "Byte");
597 mono_defaults.sbyte_class = mono_class_load_from_name (
598 mono_defaults.corlib, "System", "SByte");
600 mono_defaults.int16_class = mono_class_load_from_name (
601 mono_defaults.corlib, "System", "Int16");
603 mono_defaults.uint16_class = mono_class_load_from_name (
604 mono_defaults.corlib, "System", "UInt16");
606 mono_defaults.int32_class = mono_class_load_from_name (
607 mono_defaults.corlib, "System", "Int32");
609 mono_defaults.uint32_class = mono_class_load_from_name (
610 mono_defaults.corlib, "System", "UInt32");
612 mono_defaults.uint_class = mono_class_load_from_name (
613 mono_defaults.corlib, "System", "UIntPtr");
615 mono_defaults.int_class = mono_class_load_from_name (
616 mono_defaults.corlib, "System", "IntPtr");
618 mono_defaults.int64_class = mono_class_load_from_name (
619 mono_defaults.corlib, "System", "Int64");
621 mono_defaults.uint64_class = mono_class_load_from_name (
622 mono_defaults.corlib, "System", "UInt64");
624 mono_defaults.single_class = mono_class_load_from_name (
625 mono_defaults.corlib, "System", "Single");
627 mono_defaults.double_class = mono_class_load_from_name (
628 mono_defaults.corlib, "System", "Double");
630 mono_defaults.char_class = mono_class_load_from_name (
631 mono_defaults.corlib, "System", "Char");
633 mono_defaults.string_class = mono_class_load_from_name (
634 mono_defaults.corlib, "System", "String");
636 mono_defaults.enum_class = mono_class_load_from_name (
637 mono_defaults.corlib, "System", "Enum");
639 mono_defaults.array_class = mono_class_load_from_name (
640 mono_defaults.corlib, "System", "Array");
642 mono_defaults.delegate_class = mono_class_load_from_name (
643 mono_defaults.corlib, "System", "Delegate");
645 mono_defaults.multicastdelegate_class = mono_class_load_from_name (
646 mono_defaults.corlib, "System", "MulticastDelegate");
648 mono_defaults.asyncresult_class = mono_class_load_from_name (
649 mono_defaults.corlib, "System.Runtime.Remoting.Messaging",
652 mono_defaults.manualresetevent_class = mono_class_load_from_name (
653 mono_defaults.corlib, "System.Threading", "ManualResetEvent");
655 mono_defaults.typehandle_class = mono_class_load_from_name (
656 mono_defaults.corlib, "System", "RuntimeTypeHandle");
658 mono_defaults.methodhandle_class = mono_class_load_from_name (
659 mono_defaults.corlib, "System", "RuntimeMethodHandle");
661 mono_defaults.fieldhandle_class = mono_class_load_from_name (
662 mono_defaults.corlib, "System", "RuntimeFieldHandle");
664 mono_defaults.systemtype_class = mono_class_load_from_name (
665 mono_defaults.corlib, "System", "Type");
667 mono_defaults.runtimetype_class = mono_class_load_from_name (
668 mono_defaults.corlib, "System", "RuntimeType");
670 mono_defaults.exception_class = mono_class_load_from_name (
671 mono_defaults.corlib, "System", "Exception");
673 mono_defaults.threadabortexception_class = mono_class_load_from_name (
674 mono_defaults.corlib, "System.Threading", "ThreadAbortException");
676 mono_defaults.thread_class = mono_class_load_from_name (
677 mono_defaults.corlib, "System.Threading", "Thread");
679 mono_defaults.internal_thread_class = mono_class_load_from_name (
680 mono_defaults.corlib, "System.Threading", "InternalThread");
682 mono_defaults.appdomain_class = mono_class_load_from_name (
683 mono_defaults.corlib, "System", "AppDomain");
685 #ifndef DISABLE_REMOTING
686 mono_defaults.transparent_proxy_class = mono_class_load_from_name (
687 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "TransparentProxy");
689 mono_defaults.real_proxy_class = mono_class_load_from_name (
690 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "RealProxy");
692 mono_defaults.marshalbyrefobject_class = mono_class_load_from_name (
693 mono_defaults.corlib, "System", "MarshalByRefObject");
695 mono_defaults.iremotingtypeinfo_class = mono_class_load_from_name (
696 mono_defaults.corlib, "System.Runtime.Remoting", "IRemotingTypeInfo");
700 mono_defaults.mono_method_message_class = mono_class_load_from_name (
701 mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "MonoMethodMessage");
703 mono_defaults.field_info_class = mono_class_load_from_name (
704 mono_defaults.corlib, "System.Reflection", "FieldInfo");
706 mono_defaults.method_info_class = mono_class_load_from_name (
707 mono_defaults.corlib, "System.Reflection", "MethodInfo");
709 mono_defaults.stringbuilder_class = mono_class_load_from_name (
710 mono_defaults.corlib, "System.Text", "StringBuilder");
712 mono_defaults.math_class = mono_class_load_from_name (
713 mono_defaults.corlib, "System", "Math");
715 mono_defaults.stack_frame_class = mono_class_load_from_name (
716 mono_defaults.corlib, "System.Diagnostics", "StackFrame");
718 mono_defaults.stack_trace_class = mono_class_load_from_name (
719 mono_defaults.corlib, "System.Diagnostics", "StackTrace");
721 mono_defaults.marshal_class = mono_class_load_from_name (
722 mono_defaults.corlib, "System.Runtime.InteropServices", "Marshal");
724 mono_defaults.typed_reference_class = mono_class_load_from_name (
725 mono_defaults.corlib, "System", "TypedReference");
727 mono_defaults.argumenthandle_class = mono_class_load_from_name (
728 mono_defaults.corlib, "System", "RuntimeArgumentHandle");
730 mono_defaults.monitor_class = mono_class_load_from_name (
731 mono_defaults.corlib, "System.Threading", "Monitor");
733 Not using GENERATE_TRY_GET_CLASS_WITH_CACHE_DECL as this type is heavily checked by sgen when computing finalization.
735 mono_defaults.critical_finalizer_object = mono_class_try_load_from_name (mono_defaults.corlib,
736 "System.Runtime.ConstrainedExecution", "CriticalFinalizerObject");
738 mono_assembly_load_friends (ass);
740 mono_defaults.handleref_class = mono_class_try_load_from_name (
741 mono_defaults.corlib, "System.Runtime.InteropServices", "HandleRef");
743 mono_defaults.attribute_class = mono_class_load_from_name (
744 mono_defaults.corlib, "System", "Attribute");
746 mono_defaults.customattribute_data_class = mono_class_load_from_name (
747 mono_defaults.corlib, "System.Reflection", "CustomAttributeData");
749 mono_class_init (mono_defaults.array_class);
750 mono_defaults.generic_nullable_class = mono_class_load_from_name (
751 mono_defaults.corlib, "System", "Nullable`1");
752 mono_defaults.generic_ilist_class = mono_class_load_from_name (
753 mono_defaults.corlib, "System.Collections.Generic", "IList`1");
754 mono_defaults.generic_ireadonlylist_class = mono_class_load_from_name (
755 mono_defaults.corlib, "System.Collections.Generic", "IReadOnlyList`1");
757 mono_defaults.threadpool_wait_callback_class = mono_class_load_from_name (
758 mono_defaults.corlib, "System.Threading", "_ThreadPoolWaitCallback");
760 mono_defaults.threadpool_perform_wait_callback_method = mono_class_get_method_from_name (
761 mono_defaults.threadpool_wait_callback_class, "PerformWaitCallback", 0);
763 domain->friendly_name = g_path_get_basename (filename);
765 mono_profiler_appdomain_name (domain, domain->friendly_name);
773 * Creates the initial application domain and initializes the mono_defaults
776 * This function is guaranteed to not run any IL code.
777 * The runtime is initialized using the default runtime version.
779 * Returns: the initial domain.
782 mono_init (const char *domain_name)
784 return mono_init_internal (domain_name, NULL, DEFAULT_RUNTIME_VERSION);
788 * mono_init_from_assembly:
789 * @domain_name: name to give to the initial domain
790 * @filename: filename to load on startup
792 * Used by the runtime, users should use mono_jit_init instead.
794 * Creates the initial application domain and initializes the mono_defaults
796 * This function is guaranteed to not run any IL code.
797 * The runtime is initialized using the runtime version required by the
798 * provided executable. The version is determined by looking at the exe
799 * configuration file and the version PE field)
801 * Returns: the initial domain.
804 mono_init_from_assembly (const char *domain_name, const char *filename)
806 return mono_init_internal (domain_name, filename, NULL);
812 * Used by the runtime, users should use mono_jit_init instead.
814 * Creates the initial application domain and initializes the mono_defaults
817 * This function is guaranteed to not run any IL code.
818 * The runtime is initialized using the provided rutime version.
820 * Returns: the initial domain.
823 mono_init_version (const char *domain_name, const char *version)
825 return mono_init_internal (domain_name, NULL, version);
831 * Cleans up all metadata modules.
836 mono_close_exe_image ();
838 mono_defaults.corlib = NULL;
840 mono_config_cleanup ();
841 mono_loader_cleanup ();
842 mono_classes_cleanup ();
843 mono_assemblies_cleanup ();
844 mono_debug_cleanup ();
845 mono_images_cleanup ();
846 mono_metadata_cleanup ();
848 mono_coop_mutex_destroy (&appdomains_mutex);
850 mono_w32process_cleanup ();
851 mono_w32file_cleanup ();
855 mono_close_exe_image (void)
858 mono_image_close (exe_image);
862 * mono_get_root_domain:
864 * The root AppDomain is the initial domain created by the runtime when it is
865 * initialized. Programs execute on this AppDomain, but can create new ones
866 * later. Currently there is no unmanaged API to create new AppDomains, this
867 * must be done from managed code.
869 * Returns: the root appdomain, to obtain the current domain, use mono_domain_get ()
872 mono_get_root_domain (void)
874 return mono_root_domain;
880 * This method returns the value of the current MonoDomain that this thread
881 * and code are running under. To obtain the root domain use
882 * mono_get_root_domain() API.
884 * Returns: the current domain
889 return GET_APPDOMAIN ();
893 mono_domain_unset (void)
895 SET_APPDOMAIN (NULL);
899 mono_domain_set_internal_with_options (MonoDomain *domain, gboolean migrate_exception)
901 MonoInternalThread *thread;
903 if (mono_domain_get () == domain)
906 SET_APPDOMAIN (domain);
907 SET_APPCONTEXT (domain->default_context);
909 if (migrate_exception) {
910 thread = mono_thread_internal_current ();
911 if (!thread->abort_exc)
914 g_assert (thread->abort_exc->object.vtable->domain != domain);
915 MONO_OBJECT_SETREF (thread, abort_exc, mono_get_exception_thread_abort ());
916 g_assert (thread->abort_exc->object.vtable->domain == domain);
921 * mono_domain_set_internal:
922 * @domain: the new domain
924 * Sets the current domain to @domain.
927 mono_domain_set_internal (MonoDomain *domain)
929 mono_domain_set_internal_with_options (domain, TRUE);
933 * mono_domain_foreach:
934 * @func: function to invoke with the domain data
935 * @user_data: user-defined pointer that is passed to the supplied @func fo reach domain
937 * Use this method to safely iterate over all the loaded application
938 * domains in the current runtime. The provided @func is invoked with a
939 * pointer to the MonoDomain and is given the value of the @user_data
940 * parameter which can be used to pass state to your called routine.
943 mono_domain_foreach (MonoDomainFunc func, gpointer user_data)
949 * Create a copy of the data to avoid calling the user callback
950 * inside the lock because that could lead to deadlocks.
951 * We can do this because this function is not perf. critical.
953 mono_appdomains_lock ();
954 size = appdomain_list_size;
955 copy = (MonoDomain **)mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "temporary domains list");
956 memcpy (copy, appdomains_list, appdomain_list_size * sizeof (void*));
957 mono_appdomains_unlock ();
959 for (i = 0; i < size; ++i) {
961 func (copy [i], user_data);
964 mono_gc_free_fixed (copy);
968 * mono_domain_assembly_open:
969 * @domain: the application domain
970 * @name: file name of the assembly
972 * fixme: maybe we should integrate this with mono_assembly_open ??
975 mono_domain_assembly_open (MonoDomain *domain, const char *name)
981 mono_domain_assemblies_lock (domain);
982 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
983 ass = (MonoAssembly *)tmp->data;
984 if (strcmp (name, ass->aname.name) == 0) {
985 mono_domain_assemblies_unlock (domain);
989 mono_domain_assemblies_unlock (domain);
991 if (domain != mono_domain_get ()) {
992 current = mono_domain_get ();
994 mono_domain_set (domain, FALSE);
995 ass = mono_assembly_open (name, NULL);
996 mono_domain_set (current, FALSE);
998 ass = mono_assembly_open (name, NULL);
1005 unregister_vtable_reflection_type (MonoVTable *vtable)
1007 MonoObject *type = (MonoObject *)vtable->type;
1009 if (type->vtable->klass != mono_defaults.runtimetype_class)
1010 MONO_GC_UNREGISTER_ROOT_IF_MOVING (vtable->type);
1015 * @domain: the domain to release
1016 * @force: if true, it allows the root domain to be released (used at shutdown only).
1018 * This releases the resources associated with the specific domain.
1019 * This is a low-level function that is invoked by the AppDomain infrastructure
1023 mono_domain_free (MonoDomain *domain, gboolean force)
1025 int code_size, code_alloc;
1029 if ((domain == mono_root_domain) && !force) {
1030 g_warning ("cant unload root domain");
1034 if (mono_dont_free_domains)
1037 mono_profiler_appdomain_event (domain, MONO_PROFILE_START_UNLOAD);
1039 mono_debug_domain_unload (domain);
1041 mono_appdomains_lock ();
1042 appdomains_list [domain->domain_id] = NULL;
1043 mono_appdomains_unlock ();
1045 /* must do this early as it accesses fields and types */
1046 if (domain->special_static_fields) {
1047 mono_alloc_special_static_data_free (domain->special_static_fields);
1048 g_hash_table_destroy (domain->special_static_fields);
1049 domain->special_static_fields = NULL;
1053 * We must destroy all these hash tables here because they
1054 * contain references to managed objects belonging to the
1055 * domain. Once we let the GC clear the domain there must be
1056 * no more such references, or we'll crash if a collection
1059 mono_g_hash_table_destroy (domain->ldstr_table);
1060 domain->ldstr_table = NULL;
1062 mono_g_hash_table_destroy (domain->env);
1065 mono_reflection_cleanup_domain (domain);
1067 /* This must be done before type_hash is freed */
1068 if (domain->class_vtable_array) {
1070 for (i = 0; i < domain->class_vtable_array->len; ++i)
1071 unregister_vtable_reflection_type ((MonoVTable *)g_ptr_array_index (domain->class_vtable_array, i));
1074 if (domain->type_hash) {
1075 mono_g_hash_table_destroy (domain->type_hash);
1076 domain->type_hash = NULL;
1078 if (domain->type_init_exception_hash) {
1079 mono_g_hash_table_destroy (domain->type_init_exception_hash);
1080 domain->type_init_exception_hash = NULL;
1083 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1084 MonoAssembly *ass = (MonoAssembly *)tmp->data;
1085 mono_assembly_release_gc_roots (ass);
1088 /* Have to zero out reference fields since they will be invalidated by the clear_domain () call below */
1089 for (p = (gpointer*)&domain->MONO_DOMAIN_FIRST_OBJECT; p < (gpointer*)&domain->MONO_DOMAIN_FIRST_GC_TRACKED; ++p)
1092 /* This needs to be done before closing assemblies */
1093 mono_gc_clear_domain (domain);
1095 /* Close dynamic assemblies first, since they have no ref count */
1096 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1097 MonoAssembly *ass = (MonoAssembly *)tmp->data;
1098 if (!ass->image || !image_is_dynamic (ass->image))
1100 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);
1101 if (!mono_assembly_close_except_image_pools (ass))
1105 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1106 MonoAssembly *ass = (MonoAssembly *)tmp->data;
1109 if (!ass->image || image_is_dynamic (ass->image))
1111 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);
1112 if (!mono_assembly_close_except_image_pools (ass))
1116 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1117 MonoAssembly *ass = (MonoAssembly *)tmp->data;
1119 mono_assembly_close_finish (ass);
1121 g_slist_free (domain->domain_assemblies);
1122 domain->domain_assemblies = NULL;
1125 * Send this after the assemblies have been unloaded and the domain is still in a
1128 mono_profiler_appdomain_event (domain, MONO_PROFILE_END_UNLOAD);
1130 if (free_domain_hook)
1131 free_domain_hook (domain);
1133 /* FIXME: free delegate_hash_table when it's used */
1134 if (domain->search_path) {
1135 g_strfreev (domain->search_path);
1136 domain->search_path = NULL;
1138 domain->create_proxy_for_type_method = NULL;
1139 domain->private_invoke_method = NULL;
1140 domain->default_context = NULL;
1141 domain->out_of_memory_ex = NULL;
1142 domain->null_reference_ex = NULL;
1143 domain->stack_overflow_ex = NULL;
1144 domain->ephemeron_tombstone = NULL;
1145 domain->entry_assembly = NULL;
1147 g_free (domain->friendly_name);
1148 domain->friendly_name = NULL;
1149 g_ptr_array_free (domain->class_vtable_array, TRUE);
1150 domain->class_vtable_array = NULL;
1151 g_hash_table_destroy (domain->proxy_vtable_hash);
1152 domain->proxy_vtable_hash = NULL;
1153 if (domain->static_data_array) {
1154 mono_gc_free_fixed (domain->static_data_array);
1155 domain->static_data_array = NULL;
1157 mono_internal_hash_table_destroy (&domain->jit_code_hash);
1160 * There might still be jit info tables of this domain which
1161 * are not freed. Since the domain cannot be in use anymore,
1162 * this will free them.
1164 mono_thread_hazardous_try_free_all ();
1165 if (domain->aot_modules)
1166 mono_jit_info_table_free (domain->aot_modules);
1167 g_assert (domain->num_jit_info_tables == 1);
1168 mono_jit_info_table_free (domain->jit_info_table);
1169 domain->jit_info_table = NULL;
1170 g_assert (!domain->jit_info_free_queue);
1172 /* collect statistics */
1173 code_alloc = mono_code_manager_size (domain->code_mp, &code_size);
1174 total_domain_code_alloc += code_alloc;
1175 max_domain_code_alloc = MAX (max_domain_code_alloc, code_alloc);
1176 max_domain_code_size = MAX (max_domain_code_size, code_size);
1178 if (debug_domain_unload) {
1179 mono_mempool_invalidate (domain->mp);
1180 mono_code_manager_invalidate (domain->code_mp);
1182 #ifndef DISABLE_PERFCOUNTERS
1183 mono_perfcounters->loader_bytes -= mono_mempool_get_allocated (domain->mp);
1185 mono_mempool_destroy (domain->mp);
1187 mono_code_manager_destroy (domain->code_mp);
1188 domain->code_mp = NULL;
1190 lock_free_mempool_free (domain->lock_free_mp);
1191 domain->lock_free_mp = NULL;
1193 g_hash_table_destroy (domain->finalizable_objects_hash);
1194 domain->finalizable_objects_hash = NULL;
1195 if (domain->method_rgctx_hash) {
1196 g_hash_table_destroy (domain->method_rgctx_hash);
1197 domain->method_rgctx_hash = NULL;
1199 if (domain->generic_virtual_cases) {
1200 g_hash_table_destroy (domain->generic_virtual_cases);
1201 domain->generic_virtual_cases = NULL;
1203 if (domain->ftnptrs_hash) {
1204 g_hash_table_destroy (domain->ftnptrs_hash);
1205 domain->ftnptrs_hash = NULL;
1207 if (domain->method_to_dyn_method) {
1208 g_hash_table_destroy (domain->method_to_dyn_method);
1209 domain->method_to_dyn_method = NULL;
1212 mono_os_mutex_destroy (&domain->finalizable_objects_hash_lock);
1213 mono_os_mutex_destroy (&domain->assemblies_lock);
1214 mono_os_mutex_destroy (&domain->jit_code_hash_lock);
1216 mono_coop_mutex_destroy (&domain->lock);
1218 domain->setup = NULL;
1220 mono_gc_deregister_root ((char*)&(domain->MONO_DOMAIN_FIRST_GC_TRACKED));
1222 /* FIXME: anything else required ? */
1224 mono_gc_free_fixed (domain);
1226 #ifndef DISABLE_PERFCOUNTERS
1227 mono_perfcounters->loader_appdomains--;
1230 if (domain == mono_root_domain)
1231 mono_root_domain = NULL;
1235 * mono_domain_get_by_id:
1238 * Returns: the domain for a specific domain id.
1241 mono_domain_get_by_id (gint32 domainid)
1243 MonoDomain * domain;
1245 mono_appdomains_lock ();
1246 if (domainid < appdomain_list_size)
1247 domain = appdomains_list [domainid];
1250 mono_appdomains_unlock ();
1256 * mono_domain_get_id:
1258 * A domain ID is guaranteed to be unique for as long as the domain
1259 * using it is alive. It may be reused later once the domain has been
1262 * Returns: The unique ID for @domain.
1265 mono_domain_get_id (MonoDomain *domain)
1267 return domain->domain_id;
1271 * mono_domain_get_friendly_name:
1273 * The returned string's lifetime is the same as @domain's. Consider
1274 * copying it if you need to store it somewhere.
1276 * Returns: The friendly name of @domain. Can be NULL if not yet set.
1279 mono_domain_get_friendly_name (MonoDomain *domain)
1281 return domain->friendly_name;
1285 * mono_domain_alloc:
1287 * LOCKING: Acquires the domain lock.
1290 mono_domain_alloc (MonoDomain *domain, guint size)
1294 mono_domain_lock (domain);
1295 #ifndef DISABLE_PERFCOUNTERS
1296 mono_perfcounters->loader_bytes += size;
1298 res = mono_mempool_alloc (domain->mp, size);
1299 mono_domain_unlock (domain);
1305 * mono_domain_alloc0:
1307 * LOCKING: Acquires the domain lock.
1310 mono_domain_alloc0 (MonoDomain *domain, guint size)
1314 mono_domain_lock (domain);
1315 #ifndef DISABLE_PERFCOUNTERS
1316 mono_perfcounters->loader_bytes += size;
1318 res = mono_mempool_alloc0 (domain->mp, size);
1319 mono_domain_unlock (domain);
1325 mono_domain_alloc0_lock_free (MonoDomain *domain, guint size)
1327 return lock_free_mempool_alloc0 (domain->lock_free_mp, size);
1331 * mono_domain_code_reserve:
1333 * LOCKING: Acquires the domain lock.
1336 mono_domain_code_reserve (MonoDomain *domain, int size)
1340 mono_domain_lock (domain);
1341 res = mono_code_manager_reserve (domain->code_mp, size);
1342 mono_domain_unlock (domain);
1348 * mono_domain_code_reserve_align:
1350 * LOCKING: Acquires the domain lock.
1353 mono_domain_code_reserve_align (MonoDomain *domain, int size, int alignment)
1357 mono_domain_lock (domain);
1358 res = mono_code_manager_reserve_align (domain->code_mp, size, alignment);
1359 mono_domain_unlock (domain);
1365 * mono_domain_code_commit:
1367 * LOCKING: Acquires the domain lock.
1370 mono_domain_code_commit (MonoDomain *domain, void *data, int size, int newsize)
1372 mono_domain_lock (domain);
1373 mono_code_manager_commit (domain->code_mp, data, size, newsize);
1374 mono_domain_unlock (domain);
1378 * mono_domain_code_foreach:
1379 * Iterate over the code thunks of the code manager of @domain.
1381 * The @func callback MUST not take any locks. If it really needs to, it must respect
1382 * the locking rules of the runtime: http://www.mono-project.com/Mono:Runtime:Documentation:ThreadSafety
1383 * LOCKING: Acquires the domain lock.
1387 mono_domain_code_foreach (MonoDomain *domain, MonoCodeManagerFunc func, void *user_data)
1389 mono_domain_lock (domain);
1390 mono_code_manager_foreach (domain->code_mp, func, user_data);
1391 mono_domain_unlock (domain);
1396 mono_context_set (MonoAppContext * new_context)
1398 SET_APPCONTEXT (new_context);
1404 * Returns: the current Mono Application Context.
1407 mono_context_get (void)
1409 return GET_APPCONTEXT ();
1413 * mono_context_get_id:
1414 * @context: the context to operate on.
1416 * Context IDs are guaranteed to be unique for the duration of a Mono
1417 * process; they are never reused.
1419 * Returns: The unique ID for @context.
1422 mono_context_get_id (MonoAppContext *context)
1424 return context->context_id;
1428 * mono_context_get_domain_id:
1429 * @context: the context to operate on.
1431 * Returns: The ID of the domain that @context was created in.
1434 mono_context_get_domain_id (MonoAppContext *context)
1436 return context->domain_id;
1439 /* LOCKING: the caller holds the lock for this domain */
1441 mono_domain_add_class_static_data (MonoDomain *domain, MonoClass *klass, gpointer data, guint32 *bitmap)
1443 /* Note [Domain Static Data Array]:
1445 * Entry 0 in the array is the index of the next free slot.
1446 * Entry 1 is the total size of the array.
1449 if (domain->static_data_array) {
1450 int size = GPOINTER_TO_INT (domain->static_data_array [1]);
1451 next = GPOINTER_TO_INT (domain->static_data_array [0]);
1453 /* 'data' is allocated by alloc_fixed */
1454 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");
1455 mono_gc_memmove_aligned (new_array, domain->static_data_array, sizeof (gpointer) * size);
1457 new_array [1] = GINT_TO_POINTER (size);
1458 mono_gc_free_fixed (domain->static_data_array);
1459 domain->static_data_array = new_array;
1463 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");
1465 new_array [0] = GINT_TO_POINTER (next);
1466 new_array [1] = GINT_TO_POINTER (size);
1467 domain->static_data_array = new_array;
1469 domain->static_data_array [next++] = data;
1470 domain->static_data_array [0] = GINT_TO_POINTER (next);
1476 * Use this function to get the `MonoImage*` for the mscorlib.dll assembly
1478 * Returns: The MonoImage for mscorlib.dll
1481 mono_get_corlib (void)
1483 return mono_defaults.corlib;
1487 * mono_get_object_class:
1489 * Use this function to get the `MonoClass*` that the runtime is using for `System.Object`.
1491 * Returns: The `MonoClass*` for the `System.Object` type.
1494 mono_get_object_class (void)
1496 return mono_defaults.object_class;
1500 * mono_get_byte_class:
1502 * Use this function to get the `MonoClass*` that the runtime is using for `System.Byte`.
1504 * Returns: The `MonoClass*` for the `System.Byte` type.
1507 mono_get_byte_class (void)
1509 return mono_defaults.byte_class;
1513 * mono_get_void_class:
1515 * Use this function to get the `MonoClass*` that the runtime is using for `System.Void`.
1517 * Returns: The `MonoClass*` for the `System.Void` type.
1520 mono_get_void_class (void)
1522 return mono_defaults.void_class;
1526 * mono_get_boolean_class:
1528 * Use this function to get the `MonoClass*` that the runtime is using for `System.Boolean`.
1530 * Returns: The `MonoClass*` for the `System.Boolean` type.
1533 mono_get_boolean_class (void)
1535 return mono_defaults.boolean_class;
1539 * mono_get_sbyte_class:
1541 * Use this function to get the `MonoClass*` that the runtime is using for `System.SByte`.
1543 * Returns: The `MonoClass*` for the `System.SByte` type.
1546 mono_get_sbyte_class (void)
1548 return mono_defaults.sbyte_class;
1552 * mono_get_int16_class:
1554 * Use this function to get the `MonoClass*` that the runtime is using for `System.Int16`.
1556 * Returns: The `MonoClass*` for the `System.Int16` type.
1559 mono_get_int16_class (void)
1561 return mono_defaults.int16_class;
1565 * mono_get_uint16_class:
1567 * Use this function to get the `MonoClass*` that the runtime is using for `System.UInt16`.
1569 * Returns: The `MonoClass*` for the `System.UInt16` type.
1572 mono_get_uint16_class (void)
1574 return mono_defaults.uint16_class;
1578 * mono_get_int32_class:
1580 * Use this function to get the `MonoClass*` that the runtime is using for `System.Int32`.
1582 * Returns: The `MonoClass*` for the `System.Int32` type.
1585 mono_get_int32_class (void)
1587 return mono_defaults.int32_class;
1591 * mono_get_uint32_class:
1593 * Use this function to get the `MonoClass*` that the runtime is using for `System.UInt32`.
1595 * Returns: The `MonoClass*` for the `System.UInt32` type.
1598 mono_get_uint32_class (void)
1600 return mono_defaults.uint32_class;
1604 * mono_get_intptr_class:
1606 * Use this function to get the `MonoClass*` that the runtime is using for `System.IntPtr`.
1608 * Returns: The `MonoClass*` for the `System.IntPtr` type.
1611 mono_get_intptr_class (void)
1613 return mono_defaults.int_class;
1617 * mono_get_uintptr_class:
1619 * Use this function to get the `MonoClass*` that the runtime is using for `System.UIntPtr`.
1621 * Returns: The `MonoClass*` for the `System.UIntPtr` type.
1624 mono_get_uintptr_class (void)
1626 return mono_defaults.uint_class;
1630 * mono_get_int64_class:
1632 * Use this function to get the `MonoClass*` that the runtime is using for `System.Int64`.
1634 * Returns: The `MonoClass*` for the `System.Int64` type.
1637 mono_get_int64_class (void)
1639 return mono_defaults.int64_class;
1643 * mono_get_uint64_class:
1645 * Use this function to get the `MonoClass*` that the runtime is using for `System.UInt64`.
1647 * Returns: The `MonoClass*` for the `System.UInt64` type.
1650 mono_get_uint64_class (void)
1652 return mono_defaults.uint64_class;
1656 * mono_get_single_class:
1658 * Use this function to get the `MonoClass*` that the runtime is using for `System.Single` (32-bit floating points).
1660 * Returns: The `MonoClass*` for the `System.Single` type.
1663 mono_get_single_class (void)
1665 return mono_defaults.single_class;
1669 * mono_get_double_class:
1671 * Use this function to get the `MonoClass*` that the runtime is using for `System.Double` (64-bit floating points).
1673 * Returns: The `MonoClass*` for the `System.Double` type.
1676 mono_get_double_class (void)
1678 return mono_defaults.double_class;
1682 * mono_get_char_class:
1684 * Use this function to get the `MonoClass*` that the runtime is using for `System.Char`.
1686 * Returns: The `MonoClass*` for the `System.Char` type.
1689 mono_get_char_class (void)
1691 return mono_defaults.char_class;
1695 * mono_get_string_class:
1697 * Use this function to get the `MonoClass*` that the runtime is using for `System.String`.
1699 * Returns: The `MonoClass*` for the `System.String` type.
1702 mono_get_string_class (void)
1704 return mono_defaults.string_class;
1708 * mono_get_enum_class:
1710 * Use this function to get the `MonoClass*` that the runtime is using for `System.Enum`.
1712 * Returns: The `MonoClass*` for the `System.Enum` type.
1715 mono_get_enum_class (void)
1717 return mono_defaults.enum_class;
1721 * mono_get_array_class:
1723 * Use this function to get the `MonoClass*` that the runtime is using for `System.Array`.
1725 * Returns: The `MonoClass*` for the `System.Array` type.
1728 mono_get_array_class (void)
1730 return mono_defaults.array_class;
1734 * mono_get_thread_class:
1736 * Use this function to get the `MonoClass*` that the runtime is using for `System.Threading.Thread`.
1738 * Returns: The `MonoClass*` for the `System.Threading.Thread` type.
1741 mono_get_thread_class (void)
1743 return mono_defaults.thread_class;
1747 * mono_get_exception_class:
1749 * Use this function to get the `MonoClass*` that the runtime is using for `System.Exception`.
1751 * Returns: The `MonoClass*` for the `` type.
1754 mono_get_exception_class (void)
1756 return mono_defaults.exception_class;
1760 static char* get_attribute_value (const gchar **attribute_names,
1761 const gchar **attribute_values,
1762 const char *att_name)
1765 for (n=0; attribute_names[n] != NULL; n++) {
1766 if (strcmp (attribute_names[n], att_name) == 0)
1767 return g_strdup (attribute_values[n]);
1772 static void start_element (GMarkupParseContext *context,
1773 const gchar *element_name,
1774 const gchar **attribute_names,
1775 const gchar **attribute_values,
1779 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
1781 if (strcmp (element_name, "configuration") == 0) {
1782 app_config->configuration_count++;
1785 if (strcmp (element_name, "startup") == 0) {
1786 app_config->startup_count++;
1790 if (app_config->configuration_count != 1 || app_config->startup_count != 1)
1793 if (strcmp (element_name, "requiredRuntime") == 0) {
1794 app_config->required_runtime = get_attribute_value (attribute_names, attribute_values, "version");
1795 } else if (strcmp (element_name, "supportedRuntime") == 0) {
1796 char *version = get_attribute_value (attribute_names, attribute_values, "version");
1797 app_config->supported_runtimes = g_slist_append (app_config->supported_runtimes, version);
1801 static void end_element (GMarkupParseContext *context,
1802 const gchar *element_name,
1806 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
1808 if (strcmp (element_name, "configuration") == 0) {
1809 app_config->configuration_count--;
1810 } else if (strcmp (element_name, "startup") == 0) {
1811 app_config->startup_count--;
1815 static const GMarkupParser
1824 static AppConfigInfo *
1825 app_config_parse (const char *exe_filename)
1827 AppConfigInfo *app_config;
1828 GMarkupParseContext *context;
1831 const char *bundled_config;
1832 char *config_filename;
1834 bundled_config = mono_config_string_for_assembly_file (exe_filename);
1836 if (bundled_config) {
1837 text = g_strdup (bundled_config);
1838 len = strlen (text);
1840 config_filename = g_strconcat (exe_filename, ".config", NULL);
1842 if (!g_file_get_contents (config_filename, &text, &len, NULL)) {
1843 g_free (config_filename);
1846 g_free (config_filename);
1849 app_config = g_new0 (AppConfigInfo, 1);
1851 context = g_markup_parse_context_new (&mono_parser, (GMarkupParseFlags)0, app_config, NULL);
1852 if (g_markup_parse_context_parse (context, text, len, NULL)) {
1853 g_markup_parse_context_end_parse (context, NULL);
1855 g_markup_parse_context_free (context);
1861 app_config_free (AppConfigInfo* app_config)
1864 GSList *list = app_config->supported_runtimes;
1865 while (list != NULL) {
1866 rt = (char*)list->data;
1868 list = g_slist_next (list);
1870 g_slist_free (app_config->supported_runtimes);
1871 g_free (app_config->required_runtime);
1872 g_free (app_config);
1876 static const MonoRuntimeInfo*
1877 get_runtime_by_version (const char *version)
1880 int max = G_N_ELEMENTS (supported_runtimes);
1886 for (n=0; n<max; n++) {
1887 if (strcmp (version, supported_runtimes[n].runtime_version) == 0)
1888 return &supported_runtimes[n];
1891 vlen = strlen (version);
1892 if (vlen >= 4 && version [1] - '0' >= 4) {
1893 for (n=0; n<max; n++) {
1894 if (strncmp (version, supported_runtimes[n].runtime_version, 4) == 0)
1895 return &supported_runtimes[n];
1903 get_runtimes_from_exe (const char *exe_file, MonoImage **exe_image, const MonoRuntimeInfo** runtimes)
1905 AppConfigInfo* app_config;
1907 const MonoRuntimeInfo* runtime = NULL;
1908 MonoImage *image = NULL;
1910 app_config = app_config_parse (exe_file);
1912 if (app_config != NULL) {
1913 /* Check supportedRuntime elements, if none is supported, fail.
1914 * If there are no such elements, look for a requiredRuntime element.
1916 if (app_config->supported_runtimes != NULL) {
1918 GSList *list = app_config->supported_runtimes;
1919 while (list != NULL) {
1920 version = (char*) list->data;
1921 runtime = get_runtime_by_version (version);
1922 if (runtime != NULL)
1923 runtimes [n++] = runtime;
1924 list = g_slist_next (list);
1926 runtimes [n] = NULL;
1927 app_config_free (app_config);
1931 /* Check the requiredRuntime element. This is for 1.0 apps only. */
1932 if (app_config->required_runtime != NULL) {
1933 runtimes [0] = get_runtime_by_version (app_config->required_runtime);
1934 runtimes [1] = NULL;
1935 app_config_free (app_config);
1938 app_config_free (app_config);
1941 /* Look for a runtime with the exact version */
1942 image = mono_assembly_open_from_bundle (exe_file, NULL, FALSE);
1945 image = mono_image_open (exe_file, NULL);
1947 if (image == NULL) {
1948 /* The image is wrong or the file was not found. In this case return
1949 * a default runtime and leave to the initialization method the work of
1950 * reporting the error.
1952 runtimes [0] = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
1953 runtimes [1] = NULL;
1959 runtimes [0] = get_runtime_by_version (image->version);
1960 runtimes [1] = NULL;
1965 * mono_get_runtime_info:
1967 * Returns: the version of the current runtime instance.
1969 const MonoRuntimeInfo*
1970 mono_get_runtime_info (void)
1972 return current_runtime;
1976 * mono_framework_version:
1978 * Return the major version of the framework curently executing.
1981 mono_framework_version (void)
1983 return current_runtime->framework_version [0] - '0';
1987 mono_enable_debug_domain_unload (gboolean enable)
1989 debug_domain_unload = enable;
1992 MonoAotCacheConfig *
1993 mono_get_aot_cache_config (void)
1995 return &aot_cache_config;
1999 mono_domain_lock (MonoDomain *domain)
2001 mono_locks_coop_acquire (&domain->lock, DomainLock);
2005 mono_domain_unlock (MonoDomain *domain)
2007 mono_locks_coop_release (&domain->lock, DomainLock);
2011 mono_domain_get_assemblies (MonoDomain *domain, gboolean refonly)
2014 GPtrArray *assemblies;
2017 assemblies = g_ptr_array_new ();
2018 mono_domain_assemblies_lock (domain);
2019 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
2020 ass = (MonoAssembly *)tmp->data;
2021 if (refonly != ass->ref_only)
2023 if (ass->corlib_internal)
2025 g_ptr_array_add (assemblies, ass);
2027 mono_domain_assemblies_unlock (domain);