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 /* This is the list of runtime versions supported by this JIT.
98 static const MonoRuntimeInfo supported_runtimes[] = {
99 {"v4.0.30319","4.5", { {4,0,0,0}, {10,0,0,0}, {4,0,0,0}, {4,0,0,0} } },
100 {"mobile", "2.1", { {2,0,5,0}, {10,0,0,0}, {2,0,5,0}, {2,0,5,0} } },
101 {"moonlight", "2.1", { {2,0,5,0}, { 9,0,0,0}, {3,5,0,0}, {3,0,0,0} } },
105 /* The stable runtime version */
106 #define DEFAULT_RUNTIME_VERSION "v4.0.30319"
108 /* Callbacks installed by the JIT */
109 static MonoCreateDomainFunc create_domain_hook;
110 static MonoFreeDomainFunc free_domain_hook;
112 /* AOT cache configuration */
113 static MonoAotCacheConfig aot_cache_config;
116 get_runtimes_from_exe (const char *exe_file, MonoImage **exe_image, const MonoRuntimeInfo** runtimes);
118 static const MonoRuntimeInfo*
119 get_runtime_by_version (const char *version);
121 #define ALIGN_TO(val,align) ((((guint64)val) + ((align) - 1)) & ~((align) - 1))
122 #define ALIGN_PTR_TO(ptr,align) (gpointer)((((gssize)(ptr)) + (align - 1)) & (~(align - 1)))
124 static LockFreeMempool*
125 lock_free_mempool_new (void)
127 return g_new0 (LockFreeMempool, 1);
131 lock_free_mempool_free (LockFreeMempool *mp)
133 LockFreeMempoolChunk *chunk, *next;
137 next = (LockFreeMempoolChunk *)chunk->prev;
138 mono_vfree (chunk, mono_pagesize (), MONO_MEM_ACCOUNT_DOMAIN);
147 static LockFreeMempoolChunk*
148 lock_free_mempool_chunk_new (LockFreeMempool *mp, int len)
150 LockFreeMempoolChunk *chunk, *prev;
153 size = mono_pagesize ();
154 while (size - sizeof (LockFreeMempoolChunk) < len)
155 size += mono_pagesize ();
156 chunk = (LockFreeMempoolChunk *)mono_valloc (0, size, MONO_MMAP_READ|MONO_MMAP_WRITE, MONO_MEM_ACCOUNT_DOMAIN);
158 chunk->mem = (guint8 *)ALIGN_PTR_TO ((char*)chunk + sizeof (LockFreeMempoolChunk), 16);
159 chunk->size = ((char*)chunk + size) - (char*)chunk->mem;
162 /* Add to list of chunks lock-free */
165 if (InterlockedCompareExchangePointer ((volatile gpointer*)&mp->chunks, chunk, prev) == prev)
177 lock_free_mempool_alloc0 (LockFreeMempool *mp, guint size)
179 LockFreeMempoolChunk *chunk;
183 // FIXME: Free the allocator
185 size = ALIGN_TO (size, 8);
188 chunk = lock_free_mempool_chunk_new (mp, size);
189 mono_memory_barrier ();
194 /* The code below is lock-free, 'chunk' is shared state */
195 oldpos = InterlockedExchangeAdd (&chunk->pos, size);
196 if (oldpos + size > chunk->size) {
197 chunk = lock_free_mempool_chunk_new (mp, size);
198 g_assert (chunk->pos + size <= chunk->size);
201 mono_memory_barrier ();
204 res = (char*)chunk->mem + oldpos;
211 mono_install_create_domain_hook (MonoCreateDomainFunc func)
213 create_domain_hook = func;
217 mono_install_free_domain_hook (MonoFreeDomainFunc func)
219 free_domain_hook = func;
224 * @s1: First string to compare
225 * @s2: Second string to compare
227 * Compares two `MonoString*` instances ordinally for equality.
229 * Returns FALSE if the strings differ.
232 mono_string_equal (MonoString *s1, MonoString *s2)
234 int l1 = mono_string_length (s1);
235 int l2 = mono_string_length (s2);
242 return memcmp (mono_string_chars (s1), mono_string_chars (s2), l1 * 2) == 0;
247 * @s: the string to hash
249 * Compute the hash for a `MonoString*`
250 * Returns the hash for the string.
253 mono_string_hash (MonoString *s)
255 const guint16 *p = mono_string_chars (s);
256 int i, len = mono_string_length (s);
259 for (i = 0; i < len; i++) {
260 h = (h << 5) - h + *p;
268 mono_ptrarray_equal (gpointer *s1, gpointer *s2)
270 int len = GPOINTER_TO_INT (s1 [0]);
271 if (len != GPOINTER_TO_INT (s2 [0]))
274 return memcmp (s1 + 1, s2 + 1, len * sizeof(gpointer)) == 0;
278 mono_ptrarray_hash (gpointer *s)
281 int len = GPOINTER_TO_INT (s [0]);
284 for (i = 1; i < len; i++)
285 hash += GPOINTER_TO_UINT (s [i]);
291 * Allocate an id for domain and set domain->domain_id.
292 * LOCKING: must be called while holding appdomains_mutex.
293 * We try to assign low numbers to the domain, so it can be used
294 * as an index in data tables to lookup domain-specific info
295 * with minimal memory overhead. We also try not to reuse the
296 * same id too quickly (to help debugging).
299 domain_id_alloc (MonoDomain *domain)
302 if (!appdomains_list) {
303 appdomain_list_size = 2;
304 appdomains_list = (MonoDomain **)mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "domains list");
306 for (i = appdomain_next; i < appdomain_list_size; ++i) {
307 if (!appdomains_list [i]) {
313 for (i = 0; i < appdomain_next; ++i) {
314 if (!appdomains_list [i]) {
321 MonoDomain **new_list;
322 int new_size = appdomain_list_size * 2;
323 if (new_size >= (1 << 16))
324 g_assert_not_reached ();
325 id = appdomain_list_size;
326 new_list = (MonoDomain **)mono_gc_alloc_fixed (new_size * sizeof (void*), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "domains list");
327 memcpy (new_list, appdomains_list, appdomain_list_size * sizeof (void*));
328 mono_gc_free_fixed (appdomains_list);
329 appdomains_list = new_list;
330 appdomain_list_size = new_size;
332 domain->domain_id = id;
333 appdomains_list [id] = domain;
335 if (appdomain_next > appdomain_list_size)
340 static gsize domain_gc_bitmap [sizeof(MonoDomain)/4/32 + 1];
341 static MonoGCDescriptor domain_gc_desc = MONO_GC_DESCRIPTOR_NULL;
342 static guint32 domain_shadow_serial = 0L;
345 * mono_domain_create:
347 * Creates a new application domain, the unmanaged representation
348 * of the actual domain. Usually you will want to create the
350 * Application domains provide an isolation facilty for assemblies. You
351 * can load assemblies and execute code in them that will not be visible
352 * to other application domains. This is a runtime-based virtualization
355 * It is possible to unload domains, which unloads the assemblies and
356 * data that was allocated in that domain.
358 * When a domain is created a mempool is allocated for domain-specific
359 * structures, along a dedicated code manager to hold code that is
360 * associated with the domain.
362 * Returns: New initialized MonoDomain, with no configuration or assemblies
366 mono_domain_create (void)
369 guint32 shadow_serial;
371 mono_appdomains_lock ();
372 shadow_serial = domain_shadow_serial++;
374 if (!domain_gc_desc) {
375 unsigned int i, bit = 0;
376 for (i = G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_OBJECT); i < G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_GC_TRACKED); i += sizeof (gpointer)) {
377 bit = i / sizeof (gpointer);
378 domain_gc_bitmap [bit / 32] |= (gsize) 1 << (bit % 32);
380 domain_gc_desc = mono_gc_make_descr_from_bitmap ((gsize*)domain_gc_bitmap, bit + 1);
382 mono_appdomains_unlock ();
385 domain = (MonoDomain *)mono_gc_alloc_fixed (sizeof (MonoDomain), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "domain object");
387 domain = (MonoDomain *)mono_gc_alloc_fixed (sizeof (MonoDomain), domain_gc_desc, MONO_ROOT_SOURCE_DOMAIN, "domain object");
388 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");
390 domain->shadow_serial = shadow_serial;
391 domain->domain = NULL;
392 domain->setup = NULL;
393 domain->friendly_name = NULL;
394 domain->search_path = NULL;
396 mono_profiler_appdomain_event (domain, MONO_PROFILE_START_LOAD);
398 domain->mp = mono_mempool_new ();
399 domain->code_mp = mono_code_manager_new ();
400 domain->lock_free_mp = lock_free_mempool_new ();
401 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");
402 domain->domain_assemblies = NULL;
403 domain->assembly_bindings = NULL;
404 domain->assembly_bindings_parsed = FALSE;
405 domain->class_vtable_array = g_ptr_array_new ();
406 domain->proxy_vtable_hash = g_hash_table_new ((GHashFunc)mono_ptrarray_hash, (GCompareFunc)mono_ptrarray_equal);
407 domain->static_data_array = NULL;
408 mono_jit_code_hash_init (&domain->jit_code_hash);
409 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");
410 domain->num_jit_info_tables = 1;
411 domain->jit_info_table = mono_jit_info_table_new (domain);
412 domain->jit_info_free_queue = NULL;
413 domain->finalizable_objects_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
414 domain->ftnptrs_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
416 mono_coop_mutex_init_recursive (&domain->lock);
418 mono_os_mutex_init_recursive (&domain->assemblies_lock);
419 mono_os_mutex_init_recursive (&domain->jit_code_hash_lock);
420 mono_os_mutex_init_recursive (&domain->finalizable_objects_hash_lock);
422 domain->method_rgctx_hash = NULL;
424 mono_appdomains_lock ();
425 domain_id_alloc (domain);
426 mono_appdomains_unlock ();
428 #ifndef DISABLE_PERFCOUNTERS
429 mono_perfcounters->loader_appdomains++;
430 mono_perfcounters->loader_total_appdomains++;
433 mono_debug_domain_create (domain);
435 if (create_domain_hook)
436 create_domain_hook (domain);
438 mono_profiler_appdomain_loaded (domain, MONO_PROFILE_OK);
444 * mono_init_internal:
446 * Creates the initial application domain and initializes the mono_defaults
448 * This function is guaranteed to not run any IL code.
449 * If exe_filename is not NULL, the method will determine the required runtime
450 * from the exe configuration file or the version PE field.
451 * If runtime_version is not NULL, that runtime version will be used.
452 * Either exe_filename or runtime_version must be provided.
454 * Returns: the initial domain.
457 mono_init_internal (const char *filename, const char *exe_filename, const char *runtime_version)
459 static MonoDomain *domain = NULL;
460 MonoAssembly *ass = NULL;
461 MonoImageOpenStatus status = MONO_IMAGE_OK;
462 const MonoRuntimeInfo* runtimes [G_N_ELEMENTS (supported_runtimes) + 1] = { NULL };
465 #ifdef DEBUG_DOMAIN_UNLOAD
466 debug_domain_unload = TRUE;
470 g_assert_not_reached ();
472 #if defined(HOST_WIN32) && G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT)
473 /* Avoid system error message boxes. */
474 SetErrorMode (SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
478 mono_w32handle_init ();
479 mono_w32handle_namespace_init ();
482 mono_w32mutex_init ();
483 mono_w32semaphore_init ();
484 mono_w32event_init ();
485 mono_w32process_init ();
486 mono_w32file_init ();
488 #ifndef DISABLE_PERFCOUNTERS
489 mono_perfcounters_init ();
491 mono_counters_init ();
493 mono_counters_register ("Max native code in a domain", MONO_COUNTER_INT|MONO_COUNTER_JIT, &max_domain_code_size);
494 mono_counters_register ("Max code space allocated in a domain", MONO_COUNTER_INT|MONO_COUNTER_JIT, &max_domain_code_alloc);
495 mono_counters_register ("Total code space allocated", MONO_COUNTER_INT|MONO_COUNTER_JIT, &total_domain_code_alloc);
497 mono_counters_register ("Max HashTable Chain Length", MONO_COUNTER_INT|MONO_COUNTER_METADATA, &mono_g_hash_table_max_chain_length);
499 mono_gc_base_init ();
500 mono_thread_info_attach (&dummy);
502 mono_coop_mutex_init_recursive (&appdomains_mutex);
504 mono_metadata_init ();
506 mono_assemblies_init ();
507 mono_classes_init ();
509 mono_reflection_init ();
510 mono_runtime_init_tls ();
512 domain = mono_domain_create ();
513 mono_root_domain = domain;
515 SET_APPDOMAIN (domain);
517 /* Get a list of runtimes supported by the exe */
518 if (exe_filename != NULL) {
520 * This function will load the exe file as a MonoImage. We need to close it, but
521 * that would mean it would be reloaded later. So instead, we save it to
522 * exe_image, and close it during shutdown.
524 get_runtimes_from_exe (exe_filename, &exe_image, runtimes);
527 exe_image = mono_assembly_open_from_bundle (exe_filename, NULL, FALSE);
529 exe_image = mono_image_open (exe_filename, NULL);
531 mono_fixup_exe_image (exe_image);
533 } else if (runtime_version != NULL) {
534 runtimes [0] = get_runtime_by_version (runtime_version);
538 if (runtimes [0] == NULL) {
539 const MonoRuntimeInfo *default_runtime = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
540 runtimes [0] = default_runtime;
542 g_print ("WARNING: The runtime version supported by this application is unavailable.\n");
543 g_print ("Using default runtime: %s\n", default_runtime->runtime_version);
546 /* The selected runtime will be the first one for which there is a mscrolib.dll */
547 for (n = 0; runtimes [n] != NULL && ass == NULL; n++) {
548 current_runtime = runtimes [n];
549 ass = mono_assembly_load_corlib (current_runtime, &status);
550 if (status != MONO_IMAGE_OK && status != MONO_IMAGE_ERROR_ERRNO)
555 if ((status != MONO_IMAGE_OK) || (ass == NULL)) {
557 case MONO_IMAGE_ERROR_ERRNO: {
558 char *corlib_file = g_build_filename (mono_assembly_getrootdir (), "mono", current_runtime->framework_version, "mscorlib.dll", NULL);
559 g_print ("The assembly mscorlib.dll was not found or could not be loaded.\n");
560 g_print ("It should have been installed in the `%s' directory.\n", corlib_file);
561 g_free (corlib_file);
564 case MONO_IMAGE_IMAGE_INVALID:
565 g_print ("The file %s/mscorlib.dll is an invalid CIL image\n",
566 mono_assembly_getrootdir ());
568 case MONO_IMAGE_MISSING_ASSEMBLYREF:
569 g_print ("Missing assembly reference in %s/mscorlib.dll\n",
570 mono_assembly_getrootdir ());
573 /* to suppress compiler warning */
579 mono_defaults.corlib = mono_assembly_get_image (ass);
581 mono_defaults.object_class = mono_class_load_from_name (
582 mono_defaults.corlib, "System", "Object");
584 mono_defaults.void_class = mono_class_load_from_name (
585 mono_defaults.corlib, "System", "Void");
587 mono_defaults.boolean_class = mono_class_load_from_name (
588 mono_defaults.corlib, "System", "Boolean");
590 mono_defaults.byte_class = mono_class_load_from_name (
591 mono_defaults.corlib, "System", "Byte");
593 mono_defaults.sbyte_class = mono_class_load_from_name (
594 mono_defaults.corlib, "System", "SByte");
596 mono_defaults.int16_class = mono_class_load_from_name (
597 mono_defaults.corlib, "System", "Int16");
599 mono_defaults.uint16_class = mono_class_load_from_name (
600 mono_defaults.corlib, "System", "UInt16");
602 mono_defaults.int32_class = mono_class_load_from_name (
603 mono_defaults.corlib, "System", "Int32");
605 mono_defaults.uint32_class = mono_class_load_from_name (
606 mono_defaults.corlib, "System", "UInt32");
608 mono_defaults.uint_class = mono_class_load_from_name (
609 mono_defaults.corlib, "System", "UIntPtr");
611 mono_defaults.int_class = mono_class_load_from_name (
612 mono_defaults.corlib, "System", "IntPtr");
614 mono_defaults.int64_class = mono_class_load_from_name (
615 mono_defaults.corlib, "System", "Int64");
617 mono_defaults.uint64_class = mono_class_load_from_name (
618 mono_defaults.corlib, "System", "UInt64");
620 mono_defaults.single_class = mono_class_load_from_name (
621 mono_defaults.corlib, "System", "Single");
623 mono_defaults.double_class = mono_class_load_from_name (
624 mono_defaults.corlib, "System", "Double");
626 mono_defaults.char_class = mono_class_load_from_name (
627 mono_defaults.corlib, "System", "Char");
629 mono_defaults.string_class = mono_class_load_from_name (
630 mono_defaults.corlib, "System", "String");
632 mono_defaults.enum_class = mono_class_load_from_name (
633 mono_defaults.corlib, "System", "Enum");
635 mono_defaults.array_class = mono_class_load_from_name (
636 mono_defaults.corlib, "System", "Array");
638 mono_defaults.delegate_class = mono_class_load_from_name (
639 mono_defaults.corlib, "System", "Delegate");
641 mono_defaults.multicastdelegate_class = mono_class_load_from_name (
642 mono_defaults.corlib, "System", "MulticastDelegate");
644 mono_defaults.asyncresult_class = mono_class_load_from_name (
645 mono_defaults.corlib, "System.Runtime.Remoting.Messaging",
648 mono_defaults.manualresetevent_class = mono_class_load_from_name (
649 mono_defaults.corlib, "System.Threading", "ManualResetEvent");
651 mono_defaults.typehandle_class = mono_class_load_from_name (
652 mono_defaults.corlib, "System", "RuntimeTypeHandle");
654 mono_defaults.methodhandle_class = mono_class_load_from_name (
655 mono_defaults.corlib, "System", "RuntimeMethodHandle");
657 mono_defaults.fieldhandle_class = mono_class_load_from_name (
658 mono_defaults.corlib, "System", "RuntimeFieldHandle");
660 mono_defaults.systemtype_class = mono_class_load_from_name (
661 mono_defaults.corlib, "System", "Type");
663 mono_defaults.runtimetype_class = mono_class_load_from_name (
664 mono_defaults.corlib, "System", "RuntimeType");
666 mono_defaults.exception_class = mono_class_load_from_name (
667 mono_defaults.corlib, "System", "Exception");
669 mono_defaults.threadabortexception_class = mono_class_load_from_name (
670 mono_defaults.corlib, "System.Threading", "ThreadAbortException");
672 mono_defaults.thread_class = mono_class_load_from_name (
673 mono_defaults.corlib, "System.Threading", "Thread");
675 mono_defaults.internal_thread_class = mono_class_load_from_name (
676 mono_defaults.corlib, "System.Threading", "InternalThread");
678 mono_defaults.appdomain_class = mono_class_load_from_name (
679 mono_defaults.corlib, "System", "AppDomain");
681 #ifndef DISABLE_REMOTING
682 mono_defaults.transparent_proxy_class = mono_class_load_from_name (
683 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "TransparentProxy");
685 mono_defaults.real_proxy_class = mono_class_load_from_name (
686 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "RealProxy");
688 mono_defaults.marshalbyrefobject_class = mono_class_load_from_name (
689 mono_defaults.corlib, "System", "MarshalByRefObject");
691 mono_defaults.iremotingtypeinfo_class = mono_class_load_from_name (
692 mono_defaults.corlib, "System.Runtime.Remoting", "IRemotingTypeInfo");
696 mono_defaults.mono_method_message_class = mono_class_load_from_name (
697 mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "MonoMethodMessage");
699 mono_defaults.field_info_class = mono_class_load_from_name (
700 mono_defaults.corlib, "System.Reflection", "FieldInfo");
702 mono_defaults.method_info_class = mono_class_load_from_name (
703 mono_defaults.corlib, "System.Reflection", "MethodInfo");
705 mono_defaults.stringbuilder_class = mono_class_load_from_name (
706 mono_defaults.corlib, "System.Text", "StringBuilder");
708 mono_defaults.math_class = mono_class_load_from_name (
709 mono_defaults.corlib, "System", "Math");
711 mono_defaults.stack_frame_class = mono_class_load_from_name (
712 mono_defaults.corlib, "System.Diagnostics", "StackFrame");
714 mono_defaults.stack_trace_class = mono_class_load_from_name (
715 mono_defaults.corlib, "System.Diagnostics", "StackTrace");
717 mono_defaults.marshal_class = mono_class_load_from_name (
718 mono_defaults.corlib, "System.Runtime.InteropServices", "Marshal");
720 mono_defaults.typed_reference_class = mono_class_load_from_name (
721 mono_defaults.corlib, "System", "TypedReference");
723 mono_defaults.argumenthandle_class = mono_class_load_from_name (
724 mono_defaults.corlib, "System", "RuntimeArgumentHandle");
726 mono_defaults.monitor_class = mono_class_load_from_name (
727 mono_defaults.corlib, "System.Threading", "Monitor");
729 Not using GENERATE_TRY_GET_CLASS_WITH_CACHE_DECL as this type is heavily checked by sgen when computing finalization.
731 mono_defaults.critical_finalizer_object = mono_class_try_load_from_name (mono_defaults.corlib,
732 "System.Runtime.ConstrainedExecution", "CriticalFinalizerObject");
734 mono_assembly_load_friends (ass);
736 mono_defaults.handleref_class = mono_class_try_load_from_name (
737 mono_defaults.corlib, "System.Runtime.InteropServices", "HandleRef");
739 mono_defaults.attribute_class = mono_class_load_from_name (
740 mono_defaults.corlib, "System", "Attribute");
742 mono_defaults.customattribute_data_class = mono_class_load_from_name (
743 mono_defaults.corlib, "System.Reflection", "CustomAttributeData");
745 mono_class_init (mono_defaults.array_class);
746 mono_defaults.generic_nullable_class = mono_class_load_from_name (
747 mono_defaults.corlib, "System", "Nullable`1");
748 mono_defaults.generic_ilist_class = mono_class_load_from_name (
749 mono_defaults.corlib, "System.Collections.Generic", "IList`1");
750 mono_defaults.generic_ireadonlylist_class = mono_class_load_from_name (
751 mono_defaults.corlib, "System.Collections.Generic", "IReadOnlyList`1");
753 mono_defaults.threadpool_wait_callback_class = mono_class_load_from_name (
754 mono_defaults.corlib, "System.Threading", "_ThreadPoolWaitCallback");
756 mono_defaults.threadpool_perform_wait_callback_method = mono_class_get_method_from_name (
757 mono_defaults.threadpool_wait_callback_class, "PerformWaitCallback", 0);
759 domain->friendly_name = g_path_get_basename (filename);
761 mono_profiler_appdomain_name (domain, domain->friendly_name);
769 * Creates the initial application domain and initializes the mono_defaults
772 * This function is guaranteed to not run any IL code.
773 * The runtime is initialized using the default runtime version.
775 * Returns: the initial domain.
778 mono_init (const char *domain_name)
780 return mono_init_internal (domain_name, NULL, DEFAULT_RUNTIME_VERSION);
784 * mono_init_from_assembly:
785 * @domain_name: name to give to the initial domain
786 * @filename: filename to load on startup
788 * Used by the runtime, users should use mono_jit_init instead.
790 * Creates the initial application domain and initializes the mono_defaults
792 * This function is guaranteed to not run any IL code.
793 * The runtime is initialized using the runtime version required by the
794 * provided executable. The version is determined by looking at the exe
795 * configuration file and the version PE field)
797 * Returns: the initial domain.
800 mono_init_from_assembly (const char *domain_name, const char *filename)
802 return mono_init_internal (domain_name, filename, NULL);
808 * Used by the runtime, users should use mono_jit_init instead.
810 * Creates the initial application domain and initializes the mono_defaults
813 * This function is guaranteed to not run any IL code.
814 * The runtime is initialized using the provided rutime version.
816 * Returns: the initial domain.
819 mono_init_version (const char *domain_name, const char *version)
821 return mono_init_internal (domain_name, NULL, version);
827 * Cleans up all metadata modules.
832 mono_close_exe_image ();
834 mono_defaults.corlib = NULL;
836 mono_config_cleanup ();
837 mono_loader_cleanup ();
838 mono_classes_cleanup ();
839 mono_assemblies_cleanup ();
840 mono_debug_cleanup ();
841 mono_images_cleanup ();
842 mono_metadata_cleanup ();
844 mono_coop_mutex_destroy (&appdomains_mutex);
846 mono_w32process_cleanup ();
847 mono_w32file_cleanup ();
851 mono_close_exe_image (void)
854 mono_image_close (exe_image);
858 * mono_get_root_domain:
860 * The root AppDomain is the initial domain created by the runtime when it is
861 * initialized. Programs execute on this AppDomain, but can create new ones
862 * later. Currently there is no unmanaged API to create new AppDomains, this
863 * must be done from managed code.
865 * Returns: the root appdomain, to obtain the current domain, use mono_domain_get ()
868 mono_get_root_domain (void)
870 return mono_root_domain;
876 * This method returns the value of the current MonoDomain that this thread
877 * and code are running under. To obtain the root domain use
878 * mono_get_root_domain() API.
880 * Returns: the current domain
885 return GET_APPDOMAIN ();
889 mono_domain_unset (void)
891 SET_APPDOMAIN (NULL);
895 mono_domain_set_internal_with_options (MonoDomain *domain, gboolean migrate_exception)
897 MonoInternalThread *thread;
899 if (mono_domain_get () == domain)
902 SET_APPDOMAIN (domain);
903 SET_APPCONTEXT (domain->default_context);
905 if (migrate_exception) {
906 thread = mono_thread_internal_current ();
907 if (!thread->abort_exc)
910 g_assert (thread->abort_exc->object.vtable->domain != domain);
911 MONO_OBJECT_SETREF (thread, abort_exc, mono_get_exception_thread_abort ());
912 g_assert (thread->abort_exc->object.vtable->domain == domain);
917 * mono_domain_set_internal:
918 * @domain: the new domain
920 * Sets the current domain to @domain.
923 mono_domain_set_internal (MonoDomain *domain)
925 mono_domain_set_internal_with_options (domain, TRUE);
929 * mono_domain_foreach:
930 * @func: function to invoke with the domain data
931 * @user_data: user-defined pointer that is passed to the supplied @func fo reach domain
933 * Use this method to safely iterate over all the loaded application
934 * domains in the current runtime. The provided @func is invoked with a
935 * pointer to the MonoDomain and is given the value of the @user_data
936 * parameter which can be used to pass state to your called routine.
939 mono_domain_foreach (MonoDomainFunc func, gpointer user_data)
945 * Create a copy of the data to avoid calling the user callback
946 * inside the lock because that could lead to deadlocks.
947 * We can do this because this function is not perf. critical.
949 mono_appdomains_lock ();
950 size = appdomain_list_size;
951 copy = (MonoDomain **)mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "temporary domains list");
952 memcpy (copy, appdomains_list, appdomain_list_size * sizeof (void*));
953 mono_appdomains_unlock ();
955 for (i = 0; i < size; ++i) {
957 func (copy [i], user_data);
960 mono_gc_free_fixed (copy);
964 * mono_domain_assembly_open:
965 * @domain: the application domain
966 * @name: file name of the assembly
968 * fixme: maybe we should integrate this with mono_assembly_open ??
971 mono_domain_assembly_open (MonoDomain *domain, const char *name)
977 mono_domain_assemblies_lock (domain);
978 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
979 ass = (MonoAssembly *)tmp->data;
980 if (strcmp (name, ass->aname.name) == 0) {
981 mono_domain_assemblies_unlock (domain);
985 mono_domain_assemblies_unlock (domain);
987 if (domain != mono_domain_get ()) {
988 current = mono_domain_get ();
990 mono_domain_set (domain, FALSE);
991 ass = mono_assembly_open (name, NULL);
992 mono_domain_set (current, FALSE);
994 ass = mono_assembly_open (name, NULL);
1001 unregister_vtable_reflection_type (MonoVTable *vtable)
1003 MonoObject *type = (MonoObject *)vtable->type;
1005 if (type->vtable->klass != mono_defaults.runtimetype_class)
1006 MONO_GC_UNREGISTER_ROOT_IF_MOVING (vtable->type);
1011 * @domain: the domain to release
1012 * @force: if true, it allows the root domain to be released (used at shutdown only).
1014 * This releases the resources associated with the specific domain.
1015 * This is a low-level function that is invoked by the AppDomain infrastructure
1019 mono_domain_free (MonoDomain *domain, gboolean force)
1021 int code_size, code_alloc;
1025 if ((domain == mono_root_domain) && !force) {
1026 g_warning ("cant unload root domain");
1030 if (mono_dont_free_domains)
1033 mono_profiler_appdomain_event (domain, MONO_PROFILE_START_UNLOAD);
1035 mono_debug_domain_unload (domain);
1037 mono_appdomains_lock ();
1038 appdomains_list [domain->domain_id] = NULL;
1039 mono_appdomains_unlock ();
1041 /* must do this early as it accesses fields and types */
1042 if (domain->special_static_fields) {
1043 mono_alloc_special_static_data_free (domain->special_static_fields);
1044 g_hash_table_destroy (domain->special_static_fields);
1045 domain->special_static_fields = NULL;
1049 * We must destroy all these hash tables here because they
1050 * contain references to managed objects belonging to the
1051 * domain. Once we let the GC clear the domain there must be
1052 * no more such references, or we'll crash if a collection
1055 mono_g_hash_table_destroy (domain->ldstr_table);
1056 domain->ldstr_table = NULL;
1058 mono_g_hash_table_destroy (domain->env);
1061 mono_reflection_cleanup_domain (domain);
1063 /* This must be done before type_hash is freed */
1064 if (domain->class_vtable_array) {
1066 for (i = 0; i < domain->class_vtable_array->len; ++i)
1067 unregister_vtable_reflection_type ((MonoVTable *)g_ptr_array_index (domain->class_vtable_array, i));
1070 if (domain->type_hash) {
1071 mono_g_hash_table_destroy (domain->type_hash);
1072 domain->type_hash = NULL;
1074 if (domain->type_init_exception_hash) {
1075 mono_g_hash_table_destroy (domain->type_init_exception_hash);
1076 domain->type_init_exception_hash = NULL;
1079 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1080 MonoAssembly *ass = (MonoAssembly *)tmp->data;
1081 mono_assembly_release_gc_roots (ass);
1084 /* Have to zero out reference fields since they will be invalidated by the clear_domain () call below */
1085 for (p = (gpointer*)&domain->MONO_DOMAIN_FIRST_OBJECT; p < (gpointer*)&domain->MONO_DOMAIN_FIRST_GC_TRACKED; ++p)
1088 /* This needs to be done before closing assemblies */
1089 mono_gc_clear_domain (domain);
1091 /* Close dynamic assemblies first, since they have no ref count */
1092 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1093 MonoAssembly *ass = (MonoAssembly *)tmp->data;
1094 if (!ass->image || !image_is_dynamic (ass->image))
1096 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);
1097 if (!mono_assembly_close_except_image_pools (ass))
1101 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1102 MonoAssembly *ass = (MonoAssembly *)tmp->data;
1105 if (!ass->image || image_is_dynamic (ass->image))
1107 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);
1108 if (!mono_assembly_close_except_image_pools (ass))
1112 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1113 MonoAssembly *ass = (MonoAssembly *)tmp->data;
1115 mono_assembly_close_finish (ass);
1117 g_slist_free (domain->domain_assemblies);
1118 domain->domain_assemblies = NULL;
1121 * Send this after the assemblies have been unloaded and the domain is still in a
1124 mono_profiler_appdomain_event (domain, MONO_PROFILE_END_UNLOAD);
1126 if (free_domain_hook)
1127 free_domain_hook (domain);
1129 /* FIXME: free delegate_hash_table when it's used */
1130 if (domain->search_path) {
1131 g_strfreev (domain->search_path);
1132 domain->search_path = NULL;
1134 domain->create_proxy_for_type_method = NULL;
1135 domain->private_invoke_method = NULL;
1136 domain->default_context = NULL;
1137 domain->out_of_memory_ex = NULL;
1138 domain->null_reference_ex = NULL;
1139 domain->stack_overflow_ex = NULL;
1140 domain->ephemeron_tombstone = NULL;
1141 domain->entry_assembly = NULL;
1143 g_free (domain->friendly_name);
1144 domain->friendly_name = NULL;
1145 g_ptr_array_free (domain->class_vtable_array, TRUE);
1146 domain->class_vtable_array = NULL;
1147 g_hash_table_destroy (domain->proxy_vtable_hash);
1148 domain->proxy_vtable_hash = NULL;
1149 if (domain->static_data_array) {
1150 mono_gc_free_fixed (domain->static_data_array);
1151 domain->static_data_array = NULL;
1153 mono_internal_hash_table_destroy (&domain->jit_code_hash);
1156 * There might still be jit info tables of this domain which
1157 * are not freed. Since the domain cannot be in use anymore,
1158 * this will free them.
1160 mono_thread_hazardous_try_free_all ();
1161 if (domain->aot_modules)
1162 mono_jit_info_table_free (domain->aot_modules);
1163 g_assert (domain->num_jit_info_tables == 1);
1164 mono_jit_info_table_free (domain->jit_info_table);
1165 domain->jit_info_table = NULL;
1166 g_assert (!domain->jit_info_free_queue);
1168 /* collect statistics */
1169 code_alloc = mono_code_manager_size (domain->code_mp, &code_size);
1170 total_domain_code_alloc += code_alloc;
1171 max_domain_code_alloc = MAX (max_domain_code_alloc, code_alloc);
1172 max_domain_code_size = MAX (max_domain_code_size, code_size);
1174 if (debug_domain_unload) {
1175 mono_mempool_invalidate (domain->mp);
1176 mono_code_manager_invalidate (domain->code_mp);
1178 #ifndef DISABLE_PERFCOUNTERS
1179 mono_perfcounters->loader_bytes -= mono_mempool_get_allocated (domain->mp);
1181 mono_mempool_destroy (domain->mp);
1183 mono_code_manager_destroy (domain->code_mp);
1184 domain->code_mp = NULL;
1186 lock_free_mempool_free (domain->lock_free_mp);
1187 domain->lock_free_mp = NULL;
1189 g_hash_table_destroy (domain->finalizable_objects_hash);
1190 domain->finalizable_objects_hash = NULL;
1191 if (domain->method_rgctx_hash) {
1192 g_hash_table_destroy (domain->method_rgctx_hash);
1193 domain->method_rgctx_hash = NULL;
1195 if (domain->generic_virtual_cases) {
1196 g_hash_table_destroy (domain->generic_virtual_cases);
1197 domain->generic_virtual_cases = NULL;
1199 if (domain->ftnptrs_hash) {
1200 g_hash_table_destroy (domain->ftnptrs_hash);
1201 domain->ftnptrs_hash = NULL;
1203 if (domain->method_to_dyn_method) {
1204 g_hash_table_destroy (domain->method_to_dyn_method);
1205 domain->method_to_dyn_method = NULL;
1208 mono_os_mutex_destroy (&domain->finalizable_objects_hash_lock);
1209 mono_os_mutex_destroy (&domain->assemblies_lock);
1210 mono_os_mutex_destroy (&domain->jit_code_hash_lock);
1212 mono_coop_mutex_destroy (&domain->lock);
1214 domain->setup = NULL;
1216 mono_gc_deregister_root ((char*)&(domain->MONO_DOMAIN_FIRST_GC_TRACKED));
1218 /* FIXME: anything else required ? */
1220 mono_gc_free_fixed (domain);
1222 #ifndef DISABLE_PERFCOUNTERS
1223 mono_perfcounters->loader_appdomains--;
1226 if (domain == mono_root_domain)
1227 mono_root_domain = NULL;
1231 * mono_domain_get_by_id:
1234 * Returns: the domain for a specific domain id.
1237 mono_domain_get_by_id (gint32 domainid)
1239 MonoDomain * domain;
1241 mono_appdomains_lock ();
1242 if (domainid < appdomain_list_size)
1243 domain = appdomains_list [domainid];
1246 mono_appdomains_unlock ();
1252 * mono_domain_get_id:
1254 * A domain ID is guaranteed to be unique for as long as the domain
1255 * using it is alive. It may be reused later once the domain has been
1258 * Returns: The unique ID for @domain.
1261 mono_domain_get_id (MonoDomain *domain)
1263 return domain->domain_id;
1267 * mono_domain_get_friendly_name:
1269 * The returned string's lifetime is the same as @domain's. Consider
1270 * copying it if you need to store it somewhere.
1272 * Returns: The friendly name of @domain. Can be NULL if not yet set.
1275 mono_domain_get_friendly_name (MonoDomain *domain)
1277 return domain->friendly_name;
1281 * mono_domain_alloc:
1283 * LOCKING: Acquires the domain lock.
1286 mono_domain_alloc (MonoDomain *domain, guint size)
1290 mono_domain_lock (domain);
1291 #ifndef DISABLE_PERFCOUNTERS
1292 mono_perfcounters->loader_bytes += size;
1294 res = mono_mempool_alloc (domain->mp, size);
1295 mono_domain_unlock (domain);
1301 * mono_domain_alloc0:
1303 * LOCKING: Acquires the domain lock.
1306 mono_domain_alloc0 (MonoDomain *domain, guint size)
1310 mono_domain_lock (domain);
1311 #ifndef DISABLE_PERFCOUNTERS
1312 mono_perfcounters->loader_bytes += size;
1314 res = mono_mempool_alloc0 (domain->mp, size);
1315 mono_domain_unlock (domain);
1321 mono_domain_alloc0_lock_free (MonoDomain *domain, guint size)
1323 return lock_free_mempool_alloc0 (domain->lock_free_mp, size);
1327 * mono_domain_code_reserve:
1329 * LOCKING: Acquires the domain lock.
1332 mono_domain_code_reserve (MonoDomain *domain, int size)
1336 mono_domain_lock (domain);
1337 res = mono_code_manager_reserve (domain->code_mp, size);
1338 mono_domain_unlock (domain);
1344 * mono_domain_code_reserve_align:
1346 * LOCKING: Acquires the domain lock.
1349 mono_domain_code_reserve_align (MonoDomain *domain, int size, int alignment)
1353 mono_domain_lock (domain);
1354 res = mono_code_manager_reserve_align (domain->code_mp, size, alignment);
1355 mono_domain_unlock (domain);
1361 * mono_domain_code_commit:
1363 * LOCKING: Acquires the domain lock.
1366 mono_domain_code_commit (MonoDomain *domain, void *data, int size, int newsize)
1368 mono_domain_lock (domain);
1369 mono_code_manager_commit (domain->code_mp, data, size, newsize);
1370 mono_domain_unlock (domain);
1374 * mono_domain_code_foreach:
1375 * Iterate over the code thunks of the code manager of @domain.
1377 * The @func callback MUST not take any locks. If it really needs to, it must respect
1378 * the locking rules of the runtime: http://www.mono-project.com/Mono:Runtime:Documentation:ThreadSafety
1379 * LOCKING: Acquires the domain lock.
1383 mono_domain_code_foreach (MonoDomain *domain, MonoCodeManagerFunc func, void *user_data)
1385 mono_domain_lock (domain);
1386 mono_code_manager_foreach (domain->code_mp, func, user_data);
1387 mono_domain_unlock (domain);
1392 mono_context_set (MonoAppContext * new_context)
1394 SET_APPCONTEXT (new_context);
1400 * Returns: the current Mono Application Context.
1403 mono_context_get (void)
1405 return GET_APPCONTEXT ();
1409 * mono_context_get_id:
1410 * @context: the context to operate on.
1412 * Context IDs are guaranteed to be unique for the duration of a Mono
1413 * process; they are never reused.
1415 * Returns: The unique ID for @context.
1418 mono_context_get_id (MonoAppContext *context)
1420 return context->context_id;
1424 * mono_context_get_domain_id:
1425 * @context: the context to operate on.
1427 * Returns: The ID of the domain that @context was created in.
1430 mono_context_get_domain_id (MonoAppContext *context)
1432 return context->domain_id;
1435 /* LOCKING: the caller holds the lock for this domain */
1437 mono_domain_add_class_static_data (MonoDomain *domain, MonoClass *klass, gpointer data, guint32 *bitmap)
1439 /* Note [Domain Static Data Array]:
1441 * Entry 0 in the array is the index of the next free slot.
1442 * Entry 1 is the total size of the array.
1445 if (domain->static_data_array) {
1446 int size = GPOINTER_TO_INT (domain->static_data_array [1]);
1447 next = GPOINTER_TO_INT (domain->static_data_array [0]);
1449 /* 'data' is allocated by alloc_fixed */
1450 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");
1451 mono_gc_memmove_aligned (new_array, domain->static_data_array, sizeof (gpointer) * size);
1453 new_array [1] = GINT_TO_POINTER (size);
1454 mono_gc_free_fixed (domain->static_data_array);
1455 domain->static_data_array = new_array;
1459 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");
1461 new_array [0] = GINT_TO_POINTER (next);
1462 new_array [1] = GINT_TO_POINTER (size);
1463 domain->static_data_array = new_array;
1465 domain->static_data_array [next++] = data;
1466 domain->static_data_array [0] = GINT_TO_POINTER (next);
1472 * Use this function to get the `MonoImage*` for the mscorlib.dll assembly
1474 * Returns: The MonoImage for mscorlib.dll
1477 mono_get_corlib (void)
1479 return mono_defaults.corlib;
1483 * mono_get_object_class:
1485 * Use this function to get the `MonoClass*` that the runtime is using for `System.Object`.
1487 * Returns: The `MonoClass*` for the `System.Object` type.
1490 mono_get_object_class (void)
1492 return mono_defaults.object_class;
1496 * mono_get_byte_class:
1498 * Use this function to get the `MonoClass*` that the runtime is using for `System.Byte`.
1500 * Returns: The `MonoClass*` for the `System.Byte` type.
1503 mono_get_byte_class (void)
1505 return mono_defaults.byte_class;
1509 * mono_get_void_class:
1511 * Use this function to get the `MonoClass*` that the runtime is using for `System.Void`.
1513 * Returns: The `MonoClass*` for the `System.Void` type.
1516 mono_get_void_class (void)
1518 return mono_defaults.void_class;
1522 * mono_get_boolean_class:
1524 * Use this function to get the `MonoClass*` that the runtime is using for `System.Boolean`.
1526 * Returns: The `MonoClass*` for the `System.Boolean` type.
1529 mono_get_boolean_class (void)
1531 return mono_defaults.boolean_class;
1535 * mono_get_sbyte_class:
1537 * Use this function to get the `MonoClass*` that the runtime is using for `System.SByte`.
1539 * Returns: The `MonoClass*` for the `System.SByte` type.
1542 mono_get_sbyte_class (void)
1544 return mono_defaults.sbyte_class;
1548 * mono_get_int16_class:
1550 * Use this function to get the `MonoClass*` that the runtime is using for `System.Int16`.
1552 * Returns: The `MonoClass*` for the `System.Int16` type.
1555 mono_get_int16_class (void)
1557 return mono_defaults.int16_class;
1561 * mono_get_uint16_class:
1563 * Use this function to get the `MonoClass*` that the runtime is using for `System.UInt16`.
1565 * Returns: The `MonoClass*` for the `System.UInt16` type.
1568 mono_get_uint16_class (void)
1570 return mono_defaults.uint16_class;
1574 * mono_get_int32_class:
1576 * Use this function to get the `MonoClass*` that the runtime is using for `System.Int32`.
1578 * Returns: The `MonoClass*` for the `System.Int32` type.
1581 mono_get_int32_class (void)
1583 return mono_defaults.int32_class;
1587 * mono_get_uint32_class:
1589 * Use this function to get the `MonoClass*` that the runtime is using for `System.UInt32`.
1591 * Returns: The `MonoClass*` for the `System.UInt32` type.
1594 mono_get_uint32_class (void)
1596 return mono_defaults.uint32_class;
1600 * mono_get_intptr_class:
1602 * Use this function to get the `MonoClass*` that the runtime is using for `System.IntPtr`.
1604 * Returns: The `MonoClass*` for the `System.IntPtr` type.
1607 mono_get_intptr_class (void)
1609 return mono_defaults.int_class;
1613 * mono_get_uintptr_class:
1615 * Use this function to get the `MonoClass*` that the runtime is using for `System.UIntPtr`.
1617 * Returns: The `MonoClass*` for the `System.UIntPtr` type.
1620 mono_get_uintptr_class (void)
1622 return mono_defaults.uint_class;
1626 * mono_get_int64_class:
1628 * Use this function to get the `MonoClass*` that the runtime is using for `System.Int64`.
1630 * Returns: The `MonoClass*` for the `System.Int64` type.
1633 mono_get_int64_class (void)
1635 return mono_defaults.int64_class;
1639 * mono_get_uint64_class:
1641 * Use this function to get the `MonoClass*` that the runtime is using for `System.UInt64`.
1643 * Returns: The `MonoClass*` for the `System.UInt64` type.
1646 mono_get_uint64_class (void)
1648 return mono_defaults.uint64_class;
1652 * mono_get_single_class:
1654 * Use this function to get the `MonoClass*` that the runtime is using for `System.Single` (32-bit floating points).
1656 * Returns: The `MonoClass*` for the `System.Single` type.
1659 mono_get_single_class (void)
1661 return mono_defaults.single_class;
1665 * mono_get_double_class:
1667 * Use this function to get the `MonoClass*` that the runtime is using for `System.Double` (64-bit floating points).
1669 * Returns: The `MonoClass*` for the `System.Double` type.
1672 mono_get_double_class (void)
1674 return mono_defaults.double_class;
1678 * mono_get_char_class:
1680 * Use this function to get the `MonoClass*` that the runtime is using for `System.Char`.
1682 * Returns: The `MonoClass*` for the `System.Char` type.
1685 mono_get_char_class (void)
1687 return mono_defaults.char_class;
1691 * mono_get_string_class:
1693 * Use this function to get the `MonoClass*` that the runtime is using for `System.String`.
1695 * Returns: The `MonoClass*` for the `System.String` type.
1698 mono_get_string_class (void)
1700 return mono_defaults.string_class;
1704 * mono_get_enum_class:
1706 * Use this function to get the `MonoClass*` that the runtime is using for `System.Enum`.
1708 * Returns: The `MonoClass*` for the `System.Enum` type.
1711 mono_get_enum_class (void)
1713 return mono_defaults.enum_class;
1717 * mono_get_array_class:
1719 * Use this function to get the `MonoClass*` that the runtime is using for `System.Array`.
1721 * Returns: The `MonoClass*` for the `System.Array` type.
1724 mono_get_array_class (void)
1726 return mono_defaults.array_class;
1730 * mono_get_thread_class:
1732 * Use this function to get the `MonoClass*` that the runtime is using for `System.Threading.Thread`.
1734 * Returns: The `MonoClass*` for the `System.Threading.Thread` type.
1737 mono_get_thread_class (void)
1739 return mono_defaults.thread_class;
1743 * mono_get_exception_class:
1745 * Use this function to get the `MonoClass*` that the runtime is using for `System.Exception`.
1747 * Returns: The `MonoClass*` for the `` type.
1750 mono_get_exception_class (void)
1752 return mono_defaults.exception_class;
1756 static char* get_attribute_value (const gchar **attribute_names,
1757 const gchar **attribute_values,
1758 const char *att_name)
1761 for (n=0; attribute_names[n] != NULL; n++) {
1762 if (strcmp (attribute_names[n], att_name) == 0)
1763 return g_strdup (attribute_values[n]);
1768 static void start_element (GMarkupParseContext *context,
1769 const gchar *element_name,
1770 const gchar **attribute_names,
1771 const gchar **attribute_values,
1775 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
1777 if (strcmp (element_name, "configuration") == 0) {
1778 app_config->configuration_count++;
1781 if (strcmp (element_name, "startup") == 0) {
1782 app_config->startup_count++;
1786 if (app_config->configuration_count != 1 || app_config->startup_count != 1)
1789 if (strcmp (element_name, "requiredRuntime") == 0) {
1790 app_config->required_runtime = get_attribute_value (attribute_names, attribute_values, "version");
1791 } else if (strcmp (element_name, "supportedRuntime") == 0) {
1792 char *version = get_attribute_value (attribute_names, attribute_values, "version");
1793 app_config->supported_runtimes = g_slist_append (app_config->supported_runtimes, version);
1797 static void end_element (GMarkupParseContext *context,
1798 const gchar *element_name,
1802 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
1804 if (strcmp (element_name, "configuration") == 0) {
1805 app_config->configuration_count--;
1806 } else if (strcmp (element_name, "startup") == 0) {
1807 app_config->startup_count--;
1811 static const GMarkupParser
1820 static AppConfigInfo *
1821 app_config_parse (const char *exe_filename)
1823 AppConfigInfo *app_config;
1824 GMarkupParseContext *context;
1827 const char *bundled_config;
1828 char *config_filename;
1830 bundled_config = mono_config_string_for_assembly_file (exe_filename);
1832 if (bundled_config) {
1833 text = g_strdup (bundled_config);
1834 len = strlen (text);
1836 config_filename = g_strconcat (exe_filename, ".config", NULL);
1838 if (!g_file_get_contents (config_filename, &text, &len, NULL)) {
1839 g_free (config_filename);
1842 g_free (config_filename);
1845 app_config = g_new0 (AppConfigInfo, 1);
1847 context = g_markup_parse_context_new (&mono_parser, (GMarkupParseFlags)0, app_config, NULL);
1848 if (g_markup_parse_context_parse (context, text, len, NULL)) {
1849 g_markup_parse_context_end_parse (context, NULL);
1851 g_markup_parse_context_free (context);
1857 app_config_free (AppConfigInfo* app_config)
1860 GSList *list = app_config->supported_runtimes;
1861 while (list != NULL) {
1862 rt = (char*)list->data;
1864 list = g_slist_next (list);
1866 g_slist_free (app_config->supported_runtimes);
1867 g_free (app_config->required_runtime);
1868 g_free (app_config);
1872 static const MonoRuntimeInfo*
1873 get_runtime_by_version (const char *version)
1876 int max = G_N_ELEMENTS (supported_runtimes);
1882 for (n=0; n<max; n++) {
1883 if (strcmp (version, supported_runtimes[n].runtime_version) == 0)
1884 return &supported_runtimes[n];
1887 vlen = strlen (version);
1888 if (vlen >= 4 && version [1] - '0' >= 4) {
1889 for (n=0; n<max; n++) {
1890 if (strncmp (version, supported_runtimes[n].runtime_version, 4) == 0)
1891 return &supported_runtimes[n];
1899 get_runtimes_from_exe (const char *exe_file, MonoImage **exe_image, const MonoRuntimeInfo** runtimes)
1901 AppConfigInfo* app_config;
1903 const MonoRuntimeInfo* runtime = NULL;
1904 MonoImage *image = NULL;
1906 app_config = app_config_parse (exe_file);
1908 if (app_config != NULL) {
1909 /* Check supportedRuntime elements, if none is supported, fail.
1910 * If there are no such elements, look for a requiredRuntime element.
1912 if (app_config->supported_runtimes != NULL) {
1914 GSList *list = app_config->supported_runtimes;
1915 while (list != NULL) {
1916 version = (char*) list->data;
1917 runtime = get_runtime_by_version (version);
1918 if (runtime != NULL)
1919 runtimes [n++] = runtime;
1920 list = g_slist_next (list);
1922 runtimes [n] = NULL;
1923 app_config_free (app_config);
1927 /* Check the requiredRuntime element. This is for 1.0 apps only. */
1928 if (app_config->required_runtime != NULL) {
1929 runtimes [0] = get_runtime_by_version (app_config->required_runtime);
1930 runtimes [1] = NULL;
1931 app_config_free (app_config);
1934 app_config_free (app_config);
1937 /* Look for a runtime with the exact version */
1938 image = mono_assembly_open_from_bundle (exe_file, NULL, FALSE);
1941 image = mono_image_open (exe_file, NULL);
1943 if (image == NULL) {
1944 /* The image is wrong or the file was not found. In this case return
1945 * a default runtime and leave to the initialization method the work of
1946 * reporting the error.
1948 runtimes [0] = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
1949 runtimes [1] = NULL;
1955 runtimes [0] = get_runtime_by_version (image->version);
1956 runtimes [1] = NULL;
1961 * mono_get_runtime_info:
1963 * Returns: the version of the current runtime instance.
1965 const MonoRuntimeInfo*
1966 mono_get_runtime_info (void)
1968 return current_runtime;
1972 * mono_framework_version:
1974 * Return the major version of the framework curently executing.
1977 mono_framework_version (void)
1979 return current_runtime->framework_version [0] - '0';
1983 mono_enable_debug_domain_unload (gboolean enable)
1985 debug_domain_unload = enable;
1988 MonoAotCacheConfig *
1989 mono_get_aot_cache_config (void)
1991 return &aot_cache_config;
1995 mono_domain_lock (MonoDomain *domain)
1997 mono_locks_coop_acquire (&domain->lock, DomainLock);
2001 mono_domain_unlock (MonoDomain *domain)
2003 mono_locks_coop_release (&domain->lock, DomainLock);
2007 mono_domain_get_assemblies (MonoDomain *domain, gboolean refonly)
2010 GPtrArray *assemblies;
2013 assemblies = g_ptr_array_new ();
2014 mono_domain_assemblies_lock (domain);
2015 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
2016 ass = (MonoAssembly *)tmp->data;
2017 if (refonly != ass->ref_only)
2019 if (ass->corlib_internal)
2021 g_ptr_array_add (assemblies, ass);
2023 mono_domain_assemblies_unlock (domain);