2 * domain.c: MonoDomain functions
5 * Dietmar Maurer (dietmar@ximian.com)
8 * Copyright 2001-2003 Ximian, Inc (http://www.ximian.com)
9 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
10 * Copyright 2011-2012 Xamarin, Inc (http://www.xamarin.com)
11 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
19 #include <mono/metadata/gc-internals.h>
21 #include <mono/utils/atomic.h>
22 #include <mono/utils/mono-compiler.h>
23 #include <mono/utils/mono-logger-internals.h>
24 #include <mono/utils/mono-membar.h>
25 #include <mono/utils/mono-counters.h>
26 #include <mono/utils/hazard-pointer.h>
27 #include <mono/utils/mono-tls.h>
28 #include <mono/utils/mono-mmap.h>
29 #include <mono/utils/mono-threads.h>
30 #include <mono/metadata/object.h>
31 #include <mono/metadata/object-internals.h>
32 #include <mono/metadata/domain-internals.h>
33 #include <mono/metadata/class-internals.h>
34 #include <mono/metadata/assembly.h>
35 #include <mono/metadata/exception.h>
36 #include <mono/metadata/metadata-internals.h>
37 #include <mono/metadata/gc-internals.h>
38 #include <mono/metadata/appdomain.h>
39 #include <mono/metadata/mono-debug-debugger.h>
40 #include <mono/metadata/mono-config.h>
41 #include <mono/metadata/threads-types.h>
42 #include <mono/metadata/runtime.h>
43 #include <mono/metadata/w32mutex.h>
44 #include <mono/metadata/w32semaphore.h>
45 #include <mono/metadata/w32event.h>
46 #include <mono/metadata/w32process.h>
47 #include <metadata/threads.h>
48 #include <metadata/profiler-private.h>
49 #include <mono/metadata/coree.h>
50 #include <mono/io-layer/io-layer.h>
52 //#define DEBUG_DOMAIN_UNLOAD 1
54 #define GET_APPDOMAIN() ((MonoDomain*)mono_tls_get_domain ())
55 #define SET_APPDOMAIN(x) do { \
56 MonoThreadInfo *info; \
57 mono_tls_set_domain (x); \
58 info = mono_thread_info_current (); \
60 mono_thread_info_tls_set (info, TLS_KEY_DOMAIN, (x)); \
63 #define GET_APPCONTEXT() (mono_thread_internal_current ()->current_appcontext)
64 #define SET_APPCONTEXT(x) MONO_OBJECT_SETREF (mono_thread_internal_current (), current_appcontext, (x))
66 static guint16 appdomain_list_size = 0;
67 static guint16 appdomain_next = 0;
68 static MonoDomain **appdomains_list = NULL;
69 static MonoImage *exe_image;
70 static gboolean debug_domain_unload;
72 gboolean mono_dont_free_domains;
74 #define mono_appdomains_lock() mono_coop_mutex_lock (&appdomains_mutex)
75 #define mono_appdomains_unlock() mono_coop_mutex_unlock (&appdomains_mutex)
76 static MonoCoopMutex appdomains_mutex;
78 static MonoDomain *mono_root_domain = NULL;
81 static int max_domain_code_size = 0;
82 static int max_domain_code_alloc = 0;
83 static int total_domain_code_alloc = 0;
85 /* AppConfigInfo: Information about runtime versions supported by an
89 GSList *supported_runtimes;
90 char *required_runtime;
91 int configuration_count;
95 static const MonoRuntimeInfo *current_runtime = NULL;
97 /* This is the list of runtime versions supported by this JIT.
99 static const MonoRuntimeInfo supported_runtimes[] = {
100 {"v4.0.30319","4.5", { {4,0,0,0}, {10,0,0,0}, {4,0,0,0}, {4,0,0,0} } },
101 {"mobile", "2.1", { {2,0,5,0}, {10,0,0,0}, {2,0,5,0}, {2,0,5,0} } },
102 {"moonlight", "2.1", { {2,0,5,0}, { 9,0,0,0}, {3,5,0,0}, {3,0,0,0} } },
106 /* The stable runtime version */
107 #define DEFAULT_RUNTIME_VERSION "v4.0.30319"
109 /* Callbacks installed by the JIT */
110 static MonoCreateDomainFunc create_domain_hook;
111 static MonoFreeDomainFunc free_domain_hook;
113 /* AOT cache configuration */
114 static MonoAotCacheConfig aot_cache_config;
117 get_runtimes_from_exe (const char *exe_file, MonoImage **exe_image, const MonoRuntimeInfo** runtimes);
119 static const MonoRuntimeInfo*
120 get_runtime_by_version (const char *version);
122 #define ALIGN_TO(val,align) ((((guint64)val) + ((align) - 1)) & ~((align) - 1))
123 #define ALIGN_PTR_TO(ptr,align) (gpointer)((((gssize)(ptr)) + (align - 1)) & (~(align - 1)))
125 static LockFreeMempool*
126 lock_free_mempool_new (void)
128 return g_new0 (LockFreeMempool, 1);
132 lock_free_mempool_free (LockFreeMempool *mp)
134 LockFreeMempoolChunk *chunk, *next;
138 next = (LockFreeMempoolChunk *)chunk->prev;
139 mono_vfree (chunk, mono_pagesize (), MONO_MEM_ACCOUNT_DOMAIN);
148 static LockFreeMempoolChunk*
149 lock_free_mempool_chunk_new (LockFreeMempool *mp, int len)
151 LockFreeMempoolChunk *chunk, *prev;
154 size = mono_pagesize ();
155 while (size - sizeof (LockFreeMempoolChunk) < len)
156 size += mono_pagesize ();
157 chunk = (LockFreeMempoolChunk *)mono_valloc (0, size, MONO_MMAP_READ|MONO_MMAP_WRITE, MONO_MEM_ACCOUNT_DOMAIN);
159 chunk->mem = (guint8 *)ALIGN_PTR_TO ((char*)chunk + sizeof (LockFreeMempoolChunk), 16);
160 chunk->size = ((char*)chunk + size) - (char*)chunk->mem;
163 /* Add to list of chunks lock-free */
166 if (InterlockedCompareExchangePointer ((volatile gpointer*)&mp->chunks, chunk, prev) == prev)
178 lock_free_mempool_alloc0 (LockFreeMempool *mp, guint size)
180 LockFreeMempoolChunk *chunk;
184 // FIXME: Free the allocator
186 size = ALIGN_TO (size, 8);
189 chunk = lock_free_mempool_chunk_new (mp, size);
190 mono_memory_barrier ();
195 /* The code below is lock-free, 'chunk' is shared state */
196 oldpos = InterlockedExchangeAdd (&chunk->pos, size);
197 if (oldpos + size > chunk->size) {
198 chunk = lock_free_mempool_chunk_new (mp, size);
199 g_assert (chunk->pos + size <= chunk->size);
202 mono_memory_barrier ();
205 res = (char*)chunk->mem + oldpos;
212 mono_install_create_domain_hook (MonoCreateDomainFunc func)
214 create_domain_hook = func;
218 mono_install_free_domain_hook (MonoFreeDomainFunc func)
220 free_domain_hook = func;
225 * @s1: First string to compare
226 * @s2: Second string to compare
228 * Compares two `MonoString*` instances ordinally for equality.
230 * Returns FALSE if the strings differ.
233 mono_string_equal (MonoString *s1, MonoString *s2)
235 int l1 = mono_string_length (s1);
236 int l2 = mono_string_length (s2);
243 return memcmp (mono_string_chars (s1), mono_string_chars (s2), l1 * 2) == 0;
248 * @s: the string to hash
250 * Compute the hash for a `MonoString*`
251 * Returns the hash for the string.
254 mono_string_hash (MonoString *s)
256 const guint16 *p = mono_string_chars (s);
257 int i, len = mono_string_length (s);
260 for (i = 0; i < len; i++) {
261 h = (h << 5) - h + *p;
269 mono_ptrarray_equal (gpointer *s1, gpointer *s2)
271 int len = GPOINTER_TO_INT (s1 [0]);
272 if (len != GPOINTER_TO_INT (s2 [0]))
275 return memcmp (s1 + 1, s2 + 1, len * sizeof(gpointer)) == 0;
279 mono_ptrarray_hash (gpointer *s)
282 int len = GPOINTER_TO_INT (s [0]);
285 for (i = 1; i < len; i++)
286 hash += GPOINTER_TO_UINT (s [i]);
292 * Allocate an id for domain and set domain->domain_id.
293 * LOCKING: must be called while holding appdomains_mutex.
294 * We try to assign low numbers to the domain, so it can be used
295 * as an index in data tables to lookup domain-specific info
296 * with minimal memory overhead. We also try not to reuse the
297 * same id too quickly (to help debugging).
300 domain_id_alloc (MonoDomain *domain)
303 if (!appdomains_list) {
304 appdomain_list_size = 2;
305 appdomains_list = (MonoDomain **)mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "domains list");
307 for (i = appdomain_next; i < appdomain_list_size; ++i) {
308 if (!appdomains_list [i]) {
314 for (i = 0; i < appdomain_next; ++i) {
315 if (!appdomains_list [i]) {
322 MonoDomain **new_list;
323 int new_size = appdomain_list_size * 2;
324 if (new_size >= (1 << 16))
325 g_assert_not_reached ();
326 id = appdomain_list_size;
327 new_list = (MonoDomain **)mono_gc_alloc_fixed (new_size * sizeof (void*), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "domains list");
328 memcpy (new_list, appdomains_list, appdomain_list_size * sizeof (void*));
329 mono_gc_free_fixed (appdomains_list);
330 appdomains_list = new_list;
331 appdomain_list_size = new_size;
333 domain->domain_id = id;
334 appdomains_list [id] = domain;
336 if (appdomain_next > appdomain_list_size)
341 static gsize domain_gc_bitmap [sizeof(MonoDomain)/4/32 + 1];
342 static MonoGCDescriptor domain_gc_desc = MONO_GC_DESCRIPTOR_NULL;
343 static guint32 domain_shadow_serial = 0L;
346 * mono_domain_create:
348 * Creates a new application domain, the unmanaged representation
349 * of the actual domain. Usually you will want to create the
351 * Application domains provide an isolation facilty for assemblies. You
352 * can load assemblies and execute code in them that will not be visible
353 * to other application domains. This is a runtime-based virtualization
356 * It is possible to unload domains, which unloads the assemblies and
357 * data that was allocated in that domain.
359 * When a domain is created a mempool is allocated for domain-specific
360 * structures, along a dedicated code manager to hold code that is
361 * associated with the domain.
363 * Returns: New initialized MonoDomain, with no configuration or assemblies
367 mono_domain_create (void)
370 guint32 shadow_serial;
372 mono_appdomains_lock ();
373 shadow_serial = domain_shadow_serial++;
375 if (!domain_gc_desc) {
376 unsigned int i, bit = 0;
377 for (i = G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_OBJECT); i < G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_GC_TRACKED); i += sizeof (gpointer)) {
378 bit = i / sizeof (gpointer);
379 domain_gc_bitmap [bit / 32] |= (gsize) 1 << (bit % 32);
381 domain_gc_desc = mono_gc_make_descr_from_bitmap ((gsize*)domain_gc_bitmap, bit + 1);
383 mono_appdomains_unlock ();
387 * Boehm doesn't like roots inside GC allocated objects, and alloc_fixed returns
388 * a GC_MALLOC-ed object, contrary to the api docs. This causes random crashes when
389 * running the corlib test suite.
390 * To solve this, we pass a NULL descriptor, and don't register roots.
392 domain = (MonoDomain *)mono_gc_alloc_fixed (sizeof (MonoDomain), NULL, MONO_ROOT_SOURCE_DOMAIN, "domain object");
394 domain = (MonoDomain *)mono_gc_alloc_fixed (sizeof (MonoDomain), domain_gc_desc, MONO_ROOT_SOURCE_DOMAIN, "domain object");
395 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");
397 domain->shadow_serial = shadow_serial;
398 domain->domain = NULL;
399 domain->setup = NULL;
400 domain->friendly_name = NULL;
401 domain->search_path = NULL;
403 mono_profiler_appdomain_event (domain, MONO_PROFILE_START_LOAD);
405 domain->mp = mono_mempool_new ();
406 domain->code_mp = mono_code_manager_new ();
407 domain->lock_free_mp = lock_free_mempool_new ();
408 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");
409 domain->domain_assemblies = NULL;
410 domain->assembly_bindings = NULL;
411 domain->assembly_bindings_parsed = FALSE;
412 domain->class_vtable_array = g_ptr_array_new ();
413 domain->proxy_vtable_hash = g_hash_table_new ((GHashFunc)mono_ptrarray_hash, (GCompareFunc)mono_ptrarray_equal);
414 domain->static_data_array = NULL;
415 mono_jit_code_hash_init (&domain->jit_code_hash);
416 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");
417 domain->num_jit_info_tables = 1;
418 domain->jit_info_table = mono_jit_info_table_new (domain);
419 domain->jit_info_free_queue = NULL;
420 domain->finalizable_objects_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
421 domain->ftnptrs_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
423 mono_coop_mutex_init_recursive (&domain->lock);
425 mono_os_mutex_init_recursive (&domain->assemblies_lock);
426 mono_os_mutex_init_recursive (&domain->jit_code_hash_lock);
427 mono_os_mutex_init_recursive (&domain->finalizable_objects_hash_lock);
429 domain->method_rgctx_hash = NULL;
431 mono_appdomains_lock ();
432 domain_id_alloc (domain);
433 mono_appdomains_unlock ();
435 #ifndef DISABLE_PERFCOUNTERS
436 mono_perfcounters->loader_appdomains++;
437 mono_perfcounters->loader_total_appdomains++;
440 mono_debug_domain_create (domain);
442 if (create_domain_hook)
443 create_domain_hook (domain);
445 mono_profiler_appdomain_loaded (domain, MONO_PROFILE_OK);
451 * mono_init_internal:
453 * Creates the initial application domain and initializes the mono_defaults
455 * This function is guaranteed to not run any IL code.
456 * If exe_filename is not NULL, the method will determine the required runtime
457 * from the exe configuration file or the version PE field.
458 * If runtime_version is not NULL, that runtime version will be used.
459 * Either exe_filename or runtime_version must be provided.
461 * Returns: the initial domain.
464 mono_init_internal (const char *filename, const char *exe_filename, const char *runtime_version)
466 static MonoDomain *domain = NULL;
467 MonoAssembly *ass = NULL;
468 MonoImageOpenStatus status = MONO_IMAGE_OK;
469 const MonoRuntimeInfo* runtimes [G_N_ELEMENTS (supported_runtimes) + 1] = { NULL };
472 #ifdef DEBUG_DOMAIN_UNLOAD
473 debug_domain_unload = TRUE;
477 g_assert_not_reached ();
479 #if defined(HOST_WIN32) && G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT)
480 /* Avoid system error message boxes. */
481 SetErrorMode (SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
485 mono_w32handle_init ();
486 mono_w32handle_namespace_init ();
490 mono_w32mutex_init ();
491 mono_w32semaphore_init ();
492 mono_w32event_init ();
493 mono_w32process_init ();
495 #ifndef DISABLE_PERFCOUNTERS
496 mono_perfcounters_init ();
498 mono_counters_init ();
500 mono_counters_register ("Max native code in a domain", MONO_COUNTER_INT|MONO_COUNTER_JIT, &max_domain_code_size);
501 mono_counters_register ("Max code space allocated in a domain", MONO_COUNTER_INT|MONO_COUNTER_JIT, &max_domain_code_alloc);
502 mono_counters_register ("Total code space allocated", MONO_COUNTER_INT|MONO_COUNTER_JIT, &total_domain_code_alloc);
504 mono_gc_base_init ();
505 mono_thread_info_attach (&dummy);
507 mono_coop_mutex_init_recursive (&appdomains_mutex);
509 mono_metadata_init ();
511 mono_assemblies_init ();
512 mono_classes_init ();
514 mono_reflection_init ();
515 mono_runtime_init_tls ();
517 /* FIXME: When should we release this memory? */
518 MONO_GC_REGISTER_ROOT_FIXED (appdomains_list, MONO_ROOT_SOURCE_DOMAIN, "domains list");
520 domain = mono_domain_create ();
521 mono_root_domain = domain;
523 SET_APPDOMAIN (domain);
525 /* Get a list of runtimes supported by the exe */
526 if (exe_filename != NULL) {
528 * This function will load the exe file as a MonoImage. We need to close it, but
529 * that would mean it would be reloaded later. So instead, we save it to
530 * exe_image, and close it during shutdown.
532 get_runtimes_from_exe (exe_filename, &exe_image, runtimes);
535 exe_image = mono_assembly_open_from_bundle (exe_filename, NULL, FALSE);
537 exe_image = mono_image_open (exe_filename, NULL);
539 mono_fixup_exe_image (exe_image);
541 } else if (runtime_version != NULL) {
542 runtimes [0] = get_runtime_by_version (runtime_version);
546 if (runtimes [0] == NULL) {
547 const MonoRuntimeInfo *default_runtime = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
548 runtimes [0] = default_runtime;
550 g_print ("WARNING: The runtime version supported by this application is unavailable.\n");
551 g_print ("Using default runtime: %s\n", default_runtime->runtime_version);
554 /* The selected runtime will be the first one for which there is a mscrolib.dll */
555 for (n = 0; runtimes [n] != NULL && ass == NULL; n++) {
556 current_runtime = runtimes [n];
557 ass = mono_assembly_load_corlib (current_runtime, &status);
558 if (status != MONO_IMAGE_OK && status != MONO_IMAGE_ERROR_ERRNO)
563 if ((status != MONO_IMAGE_OK) || (ass == NULL)) {
565 case MONO_IMAGE_ERROR_ERRNO: {
566 char *corlib_file = g_build_filename (mono_assembly_getrootdir (), "mono", current_runtime->framework_version, "mscorlib.dll", NULL);
567 g_print ("The assembly mscorlib.dll was not found or could not be loaded.\n");
568 g_print ("It should have been installed in the `%s' directory.\n", corlib_file);
569 g_free (corlib_file);
572 case MONO_IMAGE_IMAGE_INVALID:
573 g_print ("The file %s/mscorlib.dll is an invalid CIL image\n",
574 mono_assembly_getrootdir ());
576 case MONO_IMAGE_MISSING_ASSEMBLYREF:
577 g_print ("Missing assembly reference in %s/mscorlib.dll\n",
578 mono_assembly_getrootdir ());
581 /* to suppress compiler warning */
587 mono_defaults.corlib = mono_assembly_get_image (ass);
589 mono_defaults.object_class = mono_class_load_from_name (
590 mono_defaults.corlib, "System", "Object");
592 mono_defaults.void_class = mono_class_load_from_name (
593 mono_defaults.corlib, "System", "Void");
595 mono_defaults.boolean_class = mono_class_load_from_name (
596 mono_defaults.corlib, "System", "Boolean");
598 mono_defaults.byte_class = mono_class_load_from_name (
599 mono_defaults.corlib, "System", "Byte");
601 mono_defaults.sbyte_class = mono_class_load_from_name (
602 mono_defaults.corlib, "System", "SByte");
604 mono_defaults.int16_class = mono_class_load_from_name (
605 mono_defaults.corlib, "System", "Int16");
607 mono_defaults.uint16_class = mono_class_load_from_name (
608 mono_defaults.corlib, "System", "UInt16");
610 mono_defaults.int32_class = mono_class_load_from_name (
611 mono_defaults.corlib, "System", "Int32");
613 mono_defaults.uint32_class = mono_class_load_from_name (
614 mono_defaults.corlib, "System", "UInt32");
616 mono_defaults.uint_class = mono_class_load_from_name (
617 mono_defaults.corlib, "System", "UIntPtr");
619 mono_defaults.int_class = mono_class_load_from_name (
620 mono_defaults.corlib, "System", "IntPtr");
622 mono_defaults.int64_class = mono_class_load_from_name (
623 mono_defaults.corlib, "System", "Int64");
625 mono_defaults.uint64_class = mono_class_load_from_name (
626 mono_defaults.corlib, "System", "UInt64");
628 mono_defaults.single_class = mono_class_load_from_name (
629 mono_defaults.corlib, "System", "Single");
631 mono_defaults.double_class = mono_class_load_from_name (
632 mono_defaults.corlib, "System", "Double");
634 mono_defaults.char_class = mono_class_load_from_name (
635 mono_defaults.corlib, "System", "Char");
637 mono_defaults.string_class = mono_class_load_from_name (
638 mono_defaults.corlib, "System", "String");
640 mono_defaults.enum_class = mono_class_load_from_name (
641 mono_defaults.corlib, "System", "Enum");
643 mono_defaults.array_class = mono_class_load_from_name (
644 mono_defaults.corlib, "System", "Array");
646 mono_defaults.delegate_class = mono_class_load_from_name (
647 mono_defaults.corlib, "System", "Delegate");
649 mono_defaults.multicastdelegate_class = mono_class_load_from_name (
650 mono_defaults.corlib, "System", "MulticastDelegate");
652 mono_defaults.asyncresult_class = mono_class_load_from_name (
653 mono_defaults.corlib, "System.Runtime.Remoting.Messaging",
656 mono_defaults.manualresetevent_class = mono_class_load_from_name (
657 mono_defaults.corlib, "System.Threading", "ManualResetEvent");
659 mono_defaults.typehandle_class = mono_class_load_from_name (
660 mono_defaults.corlib, "System", "RuntimeTypeHandle");
662 mono_defaults.methodhandle_class = mono_class_load_from_name (
663 mono_defaults.corlib, "System", "RuntimeMethodHandle");
665 mono_defaults.fieldhandle_class = mono_class_load_from_name (
666 mono_defaults.corlib, "System", "RuntimeFieldHandle");
668 mono_defaults.systemtype_class = mono_class_load_from_name (
669 mono_defaults.corlib, "System", "Type");
671 mono_defaults.runtimetype_class = mono_class_load_from_name (
672 mono_defaults.corlib, "System", "RuntimeType");
674 mono_defaults.exception_class = mono_class_load_from_name (
675 mono_defaults.corlib, "System", "Exception");
677 mono_defaults.threadabortexception_class = mono_class_load_from_name (
678 mono_defaults.corlib, "System.Threading", "ThreadAbortException");
680 mono_defaults.thread_class = mono_class_load_from_name (
681 mono_defaults.corlib, "System.Threading", "Thread");
683 mono_defaults.internal_thread_class = mono_class_load_from_name (
684 mono_defaults.corlib, "System.Threading", "InternalThread");
686 mono_defaults.appdomain_class = mono_class_load_from_name (
687 mono_defaults.corlib, "System", "AppDomain");
689 #ifndef DISABLE_REMOTING
690 mono_defaults.transparent_proxy_class = mono_class_load_from_name (
691 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "TransparentProxy");
693 mono_defaults.real_proxy_class = mono_class_load_from_name (
694 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "RealProxy");
696 mono_defaults.marshalbyrefobject_class = mono_class_load_from_name (
697 mono_defaults.corlib, "System", "MarshalByRefObject");
699 mono_defaults.iremotingtypeinfo_class = mono_class_load_from_name (
700 mono_defaults.corlib, "System.Runtime.Remoting", "IRemotingTypeInfo");
704 mono_defaults.mono_method_message_class = mono_class_load_from_name (
705 mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "MonoMethodMessage");
707 mono_defaults.field_info_class = mono_class_load_from_name (
708 mono_defaults.corlib, "System.Reflection", "FieldInfo");
710 mono_defaults.method_info_class = mono_class_load_from_name (
711 mono_defaults.corlib, "System.Reflection", "MethodInfo");
713 mono_defaults.stringbuilder_class = mono_class_load_from_name (
714 mono_defaults.corlib, "System.Text", "StringBuilder");
716 mono_defaults.math_class = mono_class_load_from_name (
717 mono_defaults.corlib, "System", "Math");
719 mono_defaults.stack_frame_class = mono_class_load_from_name (
720 mono_defaults.corlib, "System.Diagnostics", "StackFrame");
722 mono_defaults.stack_trace_class = mono_class_load_from_name (
723 mono_defaults.corlib, "System.Diagnostics", "StackTrace");
725 mono_defaults.marshal_class = mono_class_load_from_name (
726 mono_defaults.corlib, "System.Runtime.InteropServices", "Marshal");
728 mono_defaults.typed_reference_class = mono_class_load_from_name (
729 mono_defaults.corlib, "System", "TypedReference");
731 mono_defaults.argumenthandle_class = mono_class_load_from_name (
732 mono_defaults.corlib, "System", "RuntimeArgumentHandle");
734 mono_defaults.monitor_class = mono_class_load_from_name (
735 mono_defaults.corlib, "System.Threading", "Monitor");
737 Not using GENERATE_TRY_GET_CLASS_WITH_CACHE_DECL as this type is heavily checked by sgen when computing finalization.
739 mono_defaults.critical_finalizer_object = mono_class_try_load_from_name (mono_defaults.corlib,
740 "System.Runtime.ConstrainedExecution", "CriticalFinalizerObject");
742 mono_assembly_load_friends (ass);
744 mono_defaults.handleref_class = mono_class_try_load_from_name (
745 mono_defaults.corlib, "System.Runtime.InteropServices", "HandleRef");
747 mono_defaults.attribute_class = mono_class_load_from_name (
748 mono_defaults.corlib, "System", "Attribute");
750 mono_defaults.customattribute_data_class = mono_class_load_from_name (
751 mono_defaults.corlib, "System.Reflection", "CustomAttributeData");
753 mono_class_init (mono_defaults.array_class);
754 mono_defaults.generic_nullable_class = mono_class_load_from_name (
755 mono_defaults.corlib, "System", "Nullable`1");
756 mono_defaults.generic_ilist_class = mono_class_load_from_name (
757 mono_defaults.corlib, "System.Collections.Generic", "IList`1");
758 mono_defaults.generic_ireadonlylist_class = mono_class_load_from_name (
759 mono_defaults.corlib, "System.Collections.Generic", "IReadOnlyList`1");
761 mono_defaults.threadpool_wait_callback_class = mono_class_load_from_name (
762 mono_defaults.corlib, "System.Threading", "_ThreadPoolWaitCallback");
764 mono_defaults.threadpool_perform_wait_callback_method = mono_class_get_method_from_name (
765 mono_defaults.threadpool_wait_callback_class, "PerformWaitCallback", 0);
767 domain->friendly_name = g_path_get_basename (filename);
769 mono_profiler_appdomain_name (domain, domain->friendly_name);
777 * Creates the initial application domain and initializes the mono_defaults
780 * This function is guaranteed to not run any IL code.
781 * The runtime is initialized using the default runtime version.
783 * Returns: the initial domain.
786 mono_init (const char *domain_name)
788 return mono_init_internal (domain_name, NULL, DEFAULT_RUNTIME_VERSION);
792 * mono_init_from_assembly:
793 * @domain_name: name to give to the initial domain
794 * @filename: filename to load on startup
796 * Used by the runtime, users should use mono_jit_init instead.
798 * Creates the initial application domain and initializes the mono_defaults
800 * This function is guaranteed to not run any IL code.
801 * The runtime is initialized using the runtime version required by the
802 * provided executable. The version is determined by looking at the exe
803 * configuration file and the version PE field)
805 * Returns: the initial domain.
808 mono_init_from_assembly (const char *domain_name, const char *filename)
810 return mono_init_internal (domain_name, filename, NULL);
816 * Used by the runtime, users should use mono_jit_init instead.
818 * Creates the initial application domain and initializes the mono_defaults
821 * This function is guaranteed to not run any IL code.
822 * The runtime is initialized using the provided rutime version.
824 * Returns: the initial domain.
827 mono_init_version (const char *domain_name, const char *version)
829 return mono_init_internal (domain_name, NULL, version);
835 * Cleans up all metadata modules.
840 mono_close_exe_image ();
842 mono_defaults.corlib = NULL;
844 mono_config_cleanup ();
845 mono_loader_cleanup ();
846 mono_classes_cleanup ();
847 mono_assemblies_cleanup ();
848 mono_debug_cleanup ();
849 mono_images_cleanup ();
850 mono_metadata_cleanup ();
852 mono_coop_mutex_destroy (&appdomains_mutex);
854 mono_w32process_cleanup ();
862 mono_close_exe_image (void)
865 mono_image_close (exe_image);
869 * mono_get_root_domain:
871 * The root AppDomain is the initial domain created by the runtime when it is
872 * initialized. Programs execute on this AppDomain, but can create new ones
873 * later. Currently there is no unmanaged API to create new AppDomains, this
874 * must be done from managed code.
876 * Returns: the root appdomain, to obtain the current domain, use mono_domain_get ()
879 mono_get_root_domain (void)
881 return mono_root_domain;
887 * This method returns the value of the current MonoDomain that this thread
888 * and code are running under. To obtain the root domain use
889 * mono_get_root_domain() API.
891 * Returns: the current domain
896 return GET_APPDOMAIN ();
900 mono_domain_unset (void)
902 SET_APPDOMAIN (NULL);
906 mono_domain_set_internal_with_options (MonoDomain *domain, gboolean migrate_exception)
908 MonoInternalThread *thread;
910 if (mono_domain_get () == domain)
913 SET_APPDOMAIN (domain);
914 SET_APPCONTEXT (domain->default_context);
916 if (migrate_exception) {
917 thread = mono_thread_internal_current ();
918 if (!thread->abort_exc)
921 g_assert (thread->abort_exc->object.vtable->domain != domain);
922 MONO_OBJECT_SETREF (thread, abort_exc, mono_get_exception_thread_abort ());
923 g_assert (thread->abort_exc->object.vtable->domain == domain);
928 * mono_domain_set_internal:
929 * @domain: the new domain
931 * Sets the current domain to @domain.
934 mono_domain_set_internal (MonoDomain *domain)
936 mono_domain_set_internal_with_options (domain, TRUE);
940 * mono_domain_foreach:
941 * @func: function to invoke with the domain data
942 * @user_data: user-defined pointer that is passed to the supplied @func fo reach domain
944 * Use this method to safely iterate over all the loaded application
945 * domains in the current runtime. The provided @func is invoked with a
946 * pointer to the MonoDomain and is given the value of the @user_data
947 * parameter which can be used to pass state to your called routine.
950 mono_domain_foreach (MonoDomainFunc func, gpointer user_data)
956 * Create a copy of the data to avoid calling the user callback
957 * inside the lock because that could lead to deadlocks.
958 * We can do this because this function is not perf. critical.
960 mono_appdomains_lock ();
961 size = appdomain_list_size;
962 copy = (MonoDomain **)mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "temporary domains list");
963 memcpy (copy, appdomains_list, appdomain_list_size * sizeof (void*));
964 mono_appdomains_unlock ();
966 for (i = 0; i < size; ++i) {
968 func (copy [i], user_data);
971 mono_gc_free_fixed (copy);
975 * mono_domain_assembly_open:
976 * @domain: the application domain
977 * @name: file name of the assembly
979 * fixme: maybe we should integrate this with mono_assembly_open ??
982 mono_domain_assembly_open (MonoDomain *domain, const char *name)
988 mono_domain_assemblies_lock (domain);
989 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
990 ass = (MonoAssembly *)tmp->data;
991 if (strcmp (name, ass->aname.name) == 0) {
992 mono_domain_assemblies_unlock (domain);
996 mono_domain_assemblies_unlock (domain);
998 if (domain != mono_domain_get ()) {
999 current = mono_domain_get ();
1001 mono_domain_set (domain, FALSE);
1002 ass = mono_assembly_open (name, NULL);
1003 mono_domain_set (current, FALSE);
1005 ass = mono_assembly_open (name, NULL);
1012 unregister_vtable_reflection_type (MonoVTable *vtable)
1014 MonoObject *type = (MonoObject *)vtable->type;
1016 if (type->vtable->klass != mono_defaults.runtimetype_class)
1017 MONO_GC_UNREGISTER_ROOT_IF_MOVING (vtable->type);
1022 * @domain: the domain to release
1023 * @force: if true, it allows the root domain to be released (used at shutdown only).
1025 * This releases the resources associated with the specific domain.
1026 * This is a low-level function that is invoked by the AppDomain infrastructure
1030 mono_domain_free (MonoDomain *domain, gboolean force)
1032 int code_size, code_alloc;
1036 if ((domain == mono_root_domain) && !force) {
1037 g_warning ("cant unload root domain");
1041 if (mono_dont_free_domains)
1044 mono_profiler_appdomain_event (domain, MONO_PROFILE_START_UNLOAD);
1046 mono_debug_domain_unload (domain);
1048 mono_appdomains_lock ();
1049 appdomains_list [domain->domain_id] = NULL;
1050 mono_appdomains_unlock ();
1052 /* must do this early as it accesses fields and types */
1053 if (domain->special_static_fields) {
1054 mono_alloc_special_static_data_free (domain->special_static_fields);
1055 g_hash_table_destroy (domain->special_static_fields);
1056 domain->special_static_fields = NULL;
1060 * We must destroy all these hash tables here because they
1061 * contain references to managed objects belonging to the
1062 * domain. Once we let the GC clear the domain there must be
1063 * no more such references, or we'll crash if a collection
1066 mono_g_hash_table_destroy (domain->ldstr_table);
1067 domain->ldstr_table = NULL;
1069 mono_g_hash_table_destroy (domain->env);
1072 mono_reflection_cleanup_domain (domain);
1074 /* This must be done before type_hash is freed */
1075 if (domain->class_vtable_array) {
1077 for (i = 0; i < domain->class_vtable_array->len; ++i)
1078 unregister_vtable_reflection_type ((MonoVTable *)g_ptr_array_index (domain->class_vtable_array, i));
1081 if (domain->type_hash) {
1082 mono_g_hash_table_destroy (domain->type_hash);
1083 domain->type_hash = NULL;
1085 if (domain->type_init_exception_hash) {
1086 mono_g_hash_table_destroy (domain->type_init_exception_hash);
1087 domain->type_init_exception_hash = NULL;
1090 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1091 MonoAssembly *ass = (MonoAssembly *)tmp->data;
1092 mono_assembly_release_gc_roots (ass);
1095 /* Have to zero out reference fields since they will be invalidated by the clear_domain () call below */
1096 for (p = (gpointer*)&domain->MONO_DOMAIN_FIRST_OBJECT; p < (gpointer*)&domain->MONO_DOMAIN_FIRST_GC_TRACKED; ++p)
1099 /* This needs to be done before closing assemblies */
1100 mono_gc_clear_domain (domain);
1102 /* Close dynamic assemblies first, since they have no ref count */
1103 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1104 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;
1116 if (!ass->image || image_is_dynamic (ass->image))
1118 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);
1119 if (!mono_assembly_close_except_image_pools (ass))
1123 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1124 MonoAssembly *ass = (MonoAssembly *)tmp->data;
1126 mono_assembly_close_finish (ass);
1128 g_slist_free (domain->domain_assemblies);
1129 domain->domain_assemblies = NULL;
1132 * Send this after the assemblies have been unloaded and the domain is still in a
1135 mono_profiler_appdomain_event (domain, MONO_PROFILE_END_UNLOAD);
1137 if (free_domain_hook)
1138 free_domain_hook (domain);
1140 /* FIXME: free delegate_hash_table when it's used */
1141 if (domain->search_path) {
1142 g_strfreev (domain->search_path);
1143 domain->search_path = NULL;
1145 domain->create_proxy_for_type_method = NULL;
1146 domain->private_invoke_method = NULL;
1147 domain->default_context = NULL;
1148 domain->out_of_memory_ex = NULL;
1149 domain->null_reference_ex = NULL;
1150 domain->stack_overflow_ex = NULL;
1151 domain->ephemeron_tombstone = NULL;
1152 domain->entry_assembly = NULL;
1154 g_free (domain->friendly_name);
1155 domain->friendly_name = NULL;
1156 g_ptr_array_free (domain->class_vtable_array, TRUE);
1157 domain->class_vtable_array = NULL;
1158 g_hash_table_destroy (domain->proxy_vtable_hash);
1159 domain->proxy_vtable_hash = NULL;
1160 if (domain->static_data_array) {
1161 mono_gc_free_fixed (domain->static_data_array);
1162 domain->static_data_array = NULL;
1164 mono_internal_hash_table_destroy (&domain->jit_code_hash);
1167 * There might still be jit info tables of this domain which
1168 * are not freed. Since the domain cannot be in use anymore,
1169 * this will free them.
1171 mono_thread_hazardous_try_free_all ();
1172 if (domain->aot_modules)
1173 mono_jit_info_table_free (domain->aot_modules);
1174 g_assert (domain->num_jit_info_tables == 1);
1175 mono_jit_info_table_free (domain->jit_info_table);
1176 domain->jit_info_table = NULL;
1177 g_assert (!domain->jit_info_free_queue);
1179 /* collect statistics */
1180 code_alloc = mono_code_manager_size (domain->code_mp, &code_size);
1181 total_domain_code_alloc += code_alloc;
1182 max_domain_code_alloc = MAX (max_domain_code_alloc, code_alloc);
1183 max_domain_code_size = MAX (max_domain_code_size, code_size);
1185 if (debug_domain_unload) {
1186 mono_mempool_invalidate (domain->mp);
1187 mono_code_manager_invalidate (domain->code_mp);
1189 #ifndef DISABLE_PERFCOUNTERS
1190 mono_perfcounters->loader_bytes -= mono_mempool_get_allocated (domain->mp);
1192 mono_mempool_destroy (domain->mp);
1194 mono_code_manager_destroy (domain->code_mp);
1195 domain->code_mp = NULL;
1197 lock_free_mempool_free (domain->lock_free_mp);
1198 domain->lock_free_mp = NULL;
1200 g_hash_table_destroy (domain->finalizable_objects_hash);
1201 domain->finalizable_objects_hash = NULL;
1202 if (domain->method_rgctx_hash) {
1203 g_hash_table_destroy (domain->method_rgctx_hash);
1204 domain->method_rgctx_hash = NULL;
1206 if (domain->generic_virtual_cases) {
1207 g_hash_table_destroy (domain->generic_virtual_cases);
1208 domain->generic_virtual_cases = NULL;
1210 if (domain->ftnptrs_hash) {
1211 g_hash_table_destroy (domain->ftnptrs_hash);
1212 domain->ftnptrs_hash = NULL;
1214 if (domain->method_to_dyn_method) {
1215 g_hash_table_destroy (domain->method_to_dyn_method);
1216 domain->method_to_dyn_method = NULL;
1219 mono_os_mutex_destroy (&domain->finalizable_objects_hash_lock);
1220 mono_os_mutex_destroy (&domain->assemblies_lock);
1221 mono_os_mutex_destroy (&domain->jit_code_hash_lock);
1223 mono_coop_mutex_destroy (&domain->lock);
1225 domain->setup = NULL;
1227 mono_gc_deregister_root ((char*)&(domain->MONO_DOMAIN_FIRST_GC_TRACKED));
1229 /* FIXME: anything else required ? */
1231 mono_gc_free_fixed (domain);
1233 #ifndef DISABLE_PERFCOUNTERS
1234 mono_perfcounters->loader_appdomains--;
1237 if (domain == mono_root_domain)
1238 mono_root_domain = NULL;
1242 * mono_domain_get_by_id:
1245 * Returns: the domain for a specific domain id.
1248 mono_domain_get_by_id (gint32 domainid)
1250 MonoDomain * domain;
1252 mono_appdomains_lock ();
1253 if (domainid < appdomain_list_size)
1254 domain = appdomains_list [domainid];
1257 mono_appdomains_unlock ();
1263 * mono_domain_get_id:
1265 * A domain ID is guaranteed to be unique for as long as the domain
1266 * using it is alive. It may be reused later once the domain has been
1269 * Returns: The unique ID for @domain.
1272 mono_domain_get_id (MonoDomain *domain)
1274 return domain->domain_id;
1278 * mono_domain_get_friendly_name:
1280 * The returned string's lifetime is the same as @domain's. Consider
1281 * copying it if you need to store it somewhere.
1283 * Returns: The friendly name of @domain. Can be NULL if not yet set.
1286 mono_domain_get_friendly_name (MonoDomain *domain)
1288 return domain->friendly_name;
1292 * mono_domain_alloc:
1294 * LOCKING: Acquires the domain lock.
1297 mono_domain_alloc (MonoDomain *domain, guint size)
1301 mono_domain_lock (domain);
1302 #ifndef DISABLE_PERFCOUNTERS
1303 mono_perfcounters->loader_bytes += size;
1305 res = mono_mempool_alloc (domain->mp, size);
1306 mono_domain_unlock (domain);
1312 * mono_domain_alloc0:
1314 * LOCKING: Acquires the domain lock.
1317 mono_domain_alloc0 (MonoDomain *domain, guint size)
1321 mono_domain_lock (domain);
1322 #ifndef DISABLE_PERFCOUNTERS
1323 mono_perfcounters->loader_bytes += size;
1325 res = mono_mempool_alloc0 (domain->mp, size);
1326 mono_domain_unlock (domain);
1332 mono_domain_alloc0_lock_free (MonoDomain *domain, guint size)
1334 return lock_free_mempool_alloc0 (domain->lock_free_mp, size);
1338 * mono_domain_code_reserve:
1340 * LOCKING: Acquires the domain lock.
1343 mono_domain_code_reserve (MonoDomain *domain, int size)
1347 mono_domain_lock (domain);
1348 res = mono_code_manager_reserve (domain->code_mp, size);
1349 mono_domain_unlock (domain);
1355 * mono_domain_code_reserve_align:
1357 * LOCKING: Acquires the domain lock.
1360 mono_domain_code_reserve_align (MonoDomain *domain, int size, int alignment)
1364 mono_domain_lock (domain);
1365 res = mono_code_manager_reserve_align (domain->code_mp, size, alignment);
1366 mono_domain_unlock (domain);
1372 * mono_domain_code_commit:
1374 * LOCKING: Acquires the domain lock.
1377 mono_domain_code_commit (MonoDomain *domain, void *data, int size, int newsize)
1379 mono_domain_lock (domain);
1380 mono_code_manager_commit (domain->code_mp, data, size, newsize);
1381 mono_domain_unlock (domain);
1385 * mono_domain_code_foreach:
1386 * Iterate over the code thunks of the code manager of @domain.
1388 * The @func callback MUST not take any locks. If it really needs to, it must respect
1389 * the locking rules of the runtime: http://www.mono-project.com/Mono:Runtime:Documentation:ThreadSafety
1390 * LOCKING: Acquires the domain lock.
1394 mono_domain_code_foreach (MonoDomain *domain, MonoCodeManagerFunc func, void *user_data)
1396 mono_domain_lock (domain);
1397 mono_code_manager_foreach (domain->code_mp, func, user_data);
1398 mono_domain_unlock (domain);
1403 mono_context_set (MonoAppContext * new_context)
1405 SET_APPCONTEXT (new_context);
1411 * Returns: the current Mono Application Context.
1414 mono_context_get (void)
1416 return GET_APPCONTEXT ();
1420 * mono_context_get_id:
1421 * @context: the context to operate on.
1423 * Context IDs are guaranteed to be unique for the duration of a Mono
1424 * process; they are never reused.
1426 * Returns: The unique ID for @context.
1429 mono_context_get_id (MonoAppContext *context)
1431 return context->context_id;
1435 * mono_context_get_domain_id:
1436 * @context: the context to operate on.
1438 * Returns: The ID of the domain that @context was created in.
1441 mono_context_get_domain_id (MonoAppContext *context)
1443 return context->domain_id;
1446 /* LOCKING: the caller holds the lock for this domain */
1448 mono_domain_add_class_static_data (MonoDomain *domain, MonoClass *klass, gpointer data, guint32 *bitmap)
1450 /* Note [Domain Static Data Array]:
1452 * Entry 0 in the array is the index of the next free slot.
1453 * Entry 1 is the total size of the array.
1456 if (domain->static_data_array) {
1457 int size = GPOINTER_TO_INT (domain->static_data_array [1]);
1458 next = GPOINTER_TO_INT (domain->static_data_array [0]);
1460 /* 'data' is allocated by alloc_fixed */
1461 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");
1462 mono_gc_memmove_aligned (new_array, domain->static_data_array, sizeof (gpointer) * size);
1464 new_array [1] = GINT_TO_POINTER (size);
1465 mono_gc_free_fixed (domain->static_data_array);
1466 domain->static_data_array = new_array;
1470 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");
1472 new_array [0] = GINT_TO_POINTER (next);
1473 new_array [1] = GINT_TO_POINTER (size);
1474 domain->static_data_array = new_array;
1476 domain->static_data_array [next++] = data;
1477 domain->static_data_array [0] = GINT_TO_POINTER (next);
1483 * Use this function to get the `MonoImage*` for the mscorlib.dll assembly
1485 * Returns: The MonoImage for mscorlib.dll
1488 mono_get_corlib (void)
1490 return mono_defaults.corlib;
1494 * mono_get_object_class:
1496 * Use this function to get the `MonoClass*` that the runtime is using for `System.Object`.
1498 * Returns: The `MonoClass*` for the `System.Object` type.
1501 mono_get_object_class (void)
1503 return mono_defaults.object_class;
1507 * mono_get_byte_class:
1509 * Use this function to get the `MonoClass*` that the runtime is using for `System.Byte`.
1511 * Returns: The `MonoClass*` for the `System.Byte` type.
1514 mono_get_byte_class (void)
1516 return mono_defaults.byte_class;
1520 * mono_get_void_class:
1522 * Use this function to get the `MonoClass*` that the runtime is using for `System.Void`.
1524 * Returns: The `MonoClass*` for the `System.Void` type.
1527 mono_get_void_class (void)
1529 return mono_defaults.void_class;
1533 * mono_get_boolean_class:
1535 * Use this function to get the `MonoClass*` that the runtime is using for `System.Boolean`.
1537 * Returns: The `MonoClass*` for the `System.Boolean` type.
1540 mono_get_boolean_class (void)
1542 return mono_defaults.boolean_class;
1546 * mono_get_sbyte_class:
1548 * Use this function to get the `MonoClass*` that the runtime is using for `System.SByte`.
1550 * Returns: The `MonoClass*` for the `System.SByte` type.
1553 mono_get_sbyte_class (void)
1555 return mono_defaults.sbyte_class;
1559 * mono_get_int16_class:
1561 * Use this function to get the `MonoClass*` that the runtime is using for `System.Int16`.
1563 * Returns: The `MonoClass*` for the `System.Int16` type.
1566 mono_get_int16_class (void)
1568 return mono_defaults.int16_class;
1572 * mono_get_uint16_class:
1574 * Use this function to get the `MonoClass*` that the runtime is using for `System.UInt16`.
1576 * Returns: The `MonoClass*` for the `System.UInt16` type.
1579 mono_get_uint16_class (void)
1581 return mono_defaults.uint16_class;
1585 * mono_get_int32_class:
1587 * Use this function to get the `MonoClass*` that the runtime is using for `System.Int32`.
1589 * Returns: The `MonoClass*` for the `System.Int32` type.
1592 mono_get_int32_class (void)
1594 return mono_defaults.int32_class;
1598 * mono_get_uint32_class:
1600 * Use this function to get the `MonoClass*` that the runtime is using for `System.UInt32`.
1602 * Returns: The `MonoClass*` for the `System.UInt32` type.
1605 mono_get_uint32_class (void)
1607 return mono_defaults.uint32_class;
1611 * mono_get_intptr_class:
1613 * Use this function to get the `MonoClass*` that the runtime is using for `System.IntPtr`.
1615 * Returns: The `MonoClass*` for the `System.IntPtr` type.
1618 mono_get_intptr_class (void)
1620 return mono_defaults.int_class;
1624 * mono_get_uintptr_class:
1626 * Use this function to get the `MonoClass*` that the runtime is using for `System.UIntPtr`.
1628 * Returns: The `MonoClass*` for the `System.UIntPtr` type.
1631 mono_get_uintptr_class (void)
1633 return mono_defaults.uint_class;
1637 * mono_get_int64_class:
1639 * Use this function to get the `MonoClass*` that the runtime is using for `System.Int64`.
1641 * Returns: The `MonoClass*` for the `System.Int64` type.
1644 mono_get_int64_class (void)
1646 return mono_defaults.int64_class;
1650 * mono_get_uint64_class:
1652 * Use this function to get the `MonoClass*` that the runtime is using for `System.UInt64`.
1654 * Returns: The `MonoClass*` for the `System.UInt64` type.
1657 mono_get_uint64_class (void)
1659 return mono_defaults.uint64_class;
1663 * mono_get_single_class:
1665 * Use this function to get the `MonoClass*` that the runtime is using for `System.Single` (32-bit floating points).
1667 * Returns: The `MonoClass*` for the `System.Single` type.
1670 mono_get_single_class (void)
1672 return mono_defaults.single_class;
1676 * mono_get_double_class:
1678 * Use this function to get the `MonoClass*` that the runtime is using for `System.Double` (64-bit floating points).
1680 * Returns: The `MonoClass*` for the `System.Double` type.
1683 mono_get_double_class (void)
1685 return mono_defaults.double_class;
1689 * mono_get_char_class:
1691 * Use this function to get the `MonoClass*` that the runtime is using for `System.Char`.
1693 * Returns: The `MonoClass*` for the `System.Char` type.
1696 mono_get_char_class (void)
1698 return mono_defaults.char_class;
1702 * mono_get_string_class:
1704 * Use this function to get the `MonoClass*` that the runtime is using for `System.String`.
1706 * Returns: The `MonoClass*` for the `System.String` type.
1709 mono_get_string_class (void)
1711 return mono_defaults.string_class;
1715 * mono_get_enum_class:
1717 * Use this function to get the `MonoClass*` that the runtime is using for `System.Enum`.
1719 * Returns: The `MonoClass*` for the `System.Enum` type.
1722 mono_get_enum_class (void)
1724 return mono_defaults.enum_class;
1728 * mono_get_array_class:
1730 * Use this function to get the `MonoClass*` that the runtime is using for `System.Array`.
1732 * Returns: The `MonoClass*` for the `System.Array` type.
1735 mono_get_array_class (void)
1737 return mono_defaults.array_class;
1741 * mono_get_thread_class:
1743 * Use this function to get the `MonoClass*` that the runtime is using for `System.Threading.Thread`.
1745 * Returns: The `MonoClass*` for the `System.Threading.Thread` type.
1748 mono_get_thread_class (void)
1750 return mono_defaults.thread_class;
1754 * mono_get_exception_class:
1756 * Use this function to get the `MonoClass*` that the runtime is using for `System.Exception`.
1758 * Returns: The `MonoClass*` for the `` type.
1761 mono_get_exception_class (void)
1763 return mono_defaults.exception_class;
1767 static char* get_attribute_value (const gchar **attribute_names,
1768 const gchar **attribute_values,
1769 const char *att_name)
1772 for (n=0; attribute_names[n] != NULL; n++) {
1773 if (strcmp (attribute_names[n], att_name) == 0)
1774 return g_strdup (attribute_values[n]);
1779 static void start_element (GMarkupParseContext *context,
1780 const gchar *element_name,
1781 const gchar **attribute_names,
1782 const gchar **attribute_values,
1786 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
1788 if (strcmp (element_name, "configuration") == 0) {
1789 app_config->configuration_count++;
1792 if (strcmp (element_name, "startup") == 0) {
1793 app_config->startup_count++;
1797 if (app_config->configuration_count != 1 || app_config->startup_count != 1)
1800 if (strcmp (element_name, "requiredRuntime") == 0) {
1801 app_config->required_runtime = get_attribute_value (attribute_names, attribute_values, "version");
1802 } else if (strcmp (element_name, "supportedRuntime") == 0) {
1803 char *version = get_attribute_value (attribute_names, attribute_values, "version");
1804 app_config->supported_runtimes = g_slist_append (app_config->supported_runtimes, version);
1808 static void end_element (GMarkupParseContext *context,
1809 const gchar *element_name,
1813 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
1815 if (strcmp (element_name, "configuration") == 0) {
1816 app_config->configuration_count--;
1817 } else if (strcmp (element_name, "startup") == 0) {
1818 app_config->startup_count--;
1822 static const GMarkupParser
1831 static AppConfigInfo *
1832 app_config_parse (const char *exe_filename)
1834 AppConfigInfo *app_config;
1835 GMarkupParseContext *context;
1838 const char *bundled_config;
1839 char *config_filename;
1841 bundled_config = mono_config_string_for_assembly_file (exe_filename);
1843 if (bundled_config) {
1844 text = g_strdup (bundled_config);
1845 len = strlen (text);
1847 config_filename = g_strconcat (exe_filename, ".config", NULL);
1849 if (!g_file_get_contents (config_filename, &text, &len, NULL)) {
1850 g_free (config_filename);
1853 g_free (config_filename);
1856 app_config = g_new0 (AppConfigInfo, 1);
1858 context = g_markup_parse_context_new (&mono_parser, (GMarkupParseFlags)0, app_config, NULL);
1859 if (g_markup_parse_context_parse (context, text, len, NULL)) {
1860 g_markup_parse_context_end_parse (context, NULL);
1862 g_markup_parse_context_free (context);
1868 app_config_free (AppConfigInfo* app_config)
1871 GSList *list = app_config->supported_runtimes;
1872 while (list != NULL) {
1873 rt = (char*)list->data;
1875 list = g_slist_next (list);
1877 g_slist_free (app_config->supported_runtimes);
1878 g_free (app_config->required_runtime);
1879 g_free (app_config);
1883 static const MonoRuntimeInfo*
1884 get_runtime_by_version (const char *version)
1887 int max = G_N_ELEMENTS (supported_runtimes);
1893 for (n=0; n<max; n++) {
1894 if (strcmp (version, supported_runtimes[n].runtime_version) == 0)
1895 return &supported_runtimes[n];
1898 vlen = strlen (version);
1899 if (vlen >= 4 && version [1] - '0' >= 4) {
1900 for (n=0; n<max; n++) {
1901 if (strncmp (version, supported_runtimes[n].runtime_version, 4) == 0)
1902 return &supported_runtimes[n];
1910 get_runtimes_from_exe (const char *exe_file, MonoImage **exe_image, const MonoRuntimeInfo** runtimes)
1912 AppConfigInfo* app_config;
1914 const MonoRuntimeInfo* runtime = NULL;
1915 MonoImage *image = NULL;
1917 app_config = app_config_parse (exe_file);
1919 if (app_config != NULL) {
1920 /* Check supportedRuntime elements, if none is supported, fail.
1921 * If there are no such elements, look for a requiredRuntime element.
1923 if (app_config->supported_runtimes != NULL) {
1925 GSList *list = app_config->supported_runtimes;
1926 while (list != NULL) {
1927 version = (char*) list->data;
1928 runtime = get_runtime_by_version (version);
1929 if (runtime != NULL)
1930 runtimes [n++] = runtime;
1931 list = g_slist_next (list);
1933 runtimes [n] = NULL;
1934 app_config_free (app_config);
1938 /* Check the requiredRuntime element. This is for 1.0 apps only. */
1939 if (app_config->required_runtime != NULL) {
1940 runtimes [0] = get_runtime_by_version (app_config->required_runtime);
1941 runtimes [1] = NULL;
1942 app_config_free (app_config);
1945 app_config_free (app_config);
1948 /* Look for a runtime with the exact version */
1949 image = mono_assembly_open_from_bundle (exe_file, NULL, FALSE);
1952 image = mono_image_open (exe_file, NULL);
1954 if (image == NULL) {
1955 /* The image is wrong or the file was not found. In this case return
1956 * a default runtime and leave to the initialization method the work of
1957 * reporting the error.
1959 runtimes [0] = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
1960 runtimes [1] = NULL;
1966 runtimes [0] = get_runtime_by_version (image->version);
1967 runtimes [1] = NULL;
1972 * mono_get_runtime_info:
1974 * Returns: the version of the current runtime instance.
1976 const MonoRuntimeInfo*
1977 mono_get_runtime_info (void)
1979 return current_runtime;
1983 * mono_framework_version:
1985 * Return the major version of the framework curently executing.
1988 mono_framework_version (void)
1990 return current_runtime->framework_version [0] - '0';
1994 mono_enable_debug_domain_unload (gboolean enable)
1996 debug_domain_unload = enable;
1999 MonoAotCacheConfig *
2000 mono_get_aot_cache_config (void)
2002 return &aot_cache_config;
2006 mono_domain_lock (MonoDomain *domain)
2008 mono_locks_coop_acquire (&domain->lock, DomainLock);
2012 mono_domain_unlock (MonoDomain *domain)
2014 mono_locks_coop_release (&domain->lock, DomainLock);
2018 mono_domain_get_assemblies (MonoDomain *domain, gboolean refonly)
2021 GPtrArray *assemblies;
2024 assemblies = g_ptr_array_new ();
2025 mono_domain_assemblies_lock (domain);
2026 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
2027 ass = (MonoAssembly *)tmp->data;
2028 if (refonly != ass->ref_only)
2030 if (ass->corlib_internal)
2032 g_ptr_array_add (assemblies, ass);
2034 mono_domain_assemblies_unlock (domain);