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)
18 #include <mono/metadata/gc-internals.h>
20 #include <mono/utils/atomic.h>
21 #include <mono/utils/mono-compiler.h>
22 #include <mono/utils/mono-logger-internals.h>
23 #include <mono/utils/mono-membar.h>
24 #include <mono/utils/mono-counters.h>
25 #include <mono/utils/hazard-pointer.h>
26 #include <mono/utils/mono-tls.h>
27 #include <mono/utils/mono-mmap.h>
28 #include <mono/utils/mono-threads.h>
29 #include <mono/metadata/object.h>
30 #include <mono/metadata/object-internals.h>
31 #include <mono/metadata/domain-internals.h>
32 #include <mono/metadata/class-internals.h>
33 #include <mono/metadata/assembly.h>
34 #include <mono/metadata/exception.h>
35 #include <mono/metadata/metadata-internals.h>
36 #include <mono/metadata/gc-internals.h>
37 #include <mono/metadata/appdomain.h>
38 #include <mono/metadata/mono-debug-debugger.h>
39 #include <mono/metadata/mono-config.h>
40 #include <mono/metadata/threads-types.h>
41 #include <mono/metadata/runtime.h>
42 #include <metadata/threads.h>
43 #include <metadata/profiler-private.h>
44 #include <mono/metadata/coree.h>
46 //#define DEBUG_DOMAIN_UNLOAD 1
48 /* we need to use both the Tls* functions and __thread because
49 * some archs may generate faster jit code with one meachanism
50 * or the other (we used to do it because tls slots were GC-tracked,
51 * but we can't depend on this).
53 static MonoNativeTlsKey appdomain_thread_id;
55 #ifdef MONO_HAVE_FAST_TLS
57 MONO_FAST_TLS_DECLARE(tls_appdomain);
59 #define GET_APPDOMAIN() ((MonoDomain*)MONO_FAST_TLS_GET(tls_appdomain))
61 #define SET_APPDOMAIN(x) do { \
62 MonoThreadInfo *info; \
63 MONO_FAST_TLS_SET (tls_appdomain,x); \
64 mono_native_tls_set_value (appdomain_thread_id, x); \
65 mono_gc_set_current_thread_appdomain (x); \
66 info = mono_thread_info_current (); \
68 mono_thread_info_tls_set (info, TLS_KEY_DOMAIN, (x)); \
71 #else /* !MONO_HAVE_FAST_TLS */
73 #define GET_APPDOMAIN() ((MonoDomain *)mono_native_tls_get_value (appdomain_thread_id))
74 #define SET_APPDOMAIN(x) do { \
75 MonoThreadInfo *info; \
76 mono_native_tls_set_value (appdomain_thread_id, x); \
77 mono_gc_set_current_thread_appdomain (x); \
78 info = mono_thread_info_current (); \
80 mono_thread_info_tls_set (info, TLS_KEY_DOMAIN, (x)); \
85 #define GET_APPCONTEXT() (mono_thread_internal_current ()->current_appcontext)
86 #define SET_APPCONTEXT(x) MONO_OBJECT_SETREF (mono_thread_internal_current (), current_appcontext, (x))
88 static guint16 appdomain_list_size = 0;
89 static guint16 appdomain_next = 0;
90 static MonoDomain **appdomains_list = NULL;
91 static MonoImage *exe_image;
92 static gboolean debug_domain_unload;
94 gboolean mono_dont_free_domains;
96 #define mono_appdomains_lock() mono_coop_mutex_lock (&appdomains_mutex)
97 #define mono_appdomains_unlock() mono_coop_mutex_unlock (&appdomains_mutex)
98 static MonoCoopMutex appdomains_mutex;
100 static MonoDomain *mono_root_domain = NULL;
102 /* some statistics */
103 static int max_domain_code_size = 0;
104 static int max_domain_code_alloc = 0;
105 static int total_domain_code_alloc = 0;
107 /* AppConfigInfo: Information about runtime versions supported by an
111 GSList *supported_runtimes;
112 char *required_runtime;
113 int configuration_count;
117 static const MonoRuntimeInfo *current_runtime = NULL;
119 /* This is the list of runtime versions supported by this JIT.
121 static const MonoRuntimeInfo supported_runtimes[] = {
122 {"v4.0.30319","4.5", { {4,0,0,0}, {10,0,0,0}, {4,0,0,0}, {4,0,0,0} } },
123 {"mobile", "2.1", { {2,0,5,0}, {10,0,0,0}, {2,0,5,0}, {2,0,5,0} } },
124 {"moonlight", "2.1", { {2,0,5,0}, { 9,0,0,0}, {3,5,0,0}, {3,0,0,0} } },
128 /* The stable runtime version */
129 #define DEFAULT_RUNTIME_VERSION "v4.0.30319"
131 /* Callbacks installed by the JIT */
132 static MonoCreateDomainFunc create_domain_hook;
133 static MonoFreeDomainFunc free_domain_hook;
135 /* AOT cache configuration */
136 static MonoAotCacheConfig aot_cache_config;
139 get_runtimes_from_exe (const char *exe_file, MonoImage **exe_image, const MonoRuntimeInfo** runtimes);
141 static const MonoRuntimeInfo*
142 get_runtime_by_version (const char *version);
145 mono_domain_get_tls_key (void)
147 return appdomain_thread_id;
151 mono_domain_get_tls_offset (void)
156 if (appdomain_thread_id)
157 offset = appdomain_thread_id;
159 MONO_THREAD_VAR_OFFSET (tls_appdomain, offset);
164 #define ALIGN_TO(val,align) ((((guint64)val) + ((align) - 1)) & ~((align) - 1))
165 #define ALIGN_PTR_TO(ptr,align) (gpointer)((((gssize)(ptr)) + (align - 1)) & (~(align - 1)))
167 static LockFreeMempool*
168 lock_free_mempool_new (void)
170 return g_new0 (LockFreeMempool, 1);
174 lock_free_mempool_free (LockFreeMempool *mp)
176 LockFreeMempoolChunk *chunk, *next;
180 next = (LockFreeMempoolChunk *)chunk->prev;
181 mono_vfree (chunk, mono_pagesize ());
190 static LockFreeMempoolChunk*
191 lock_free_mempool_chunk_new (LockFreeMempool *mp, int len)
193 LockFreeMempoolChunk *chunk, *prev;
196 size = mono_pagesize ();
197 while (size - sizeof (LockFreeMempoolChunk) < len)
198 size += mono_pagesize ();
199 chunk = (LockFreeMempoolChunk *)mono_valloc (0, size, MONO_MMAP_READ|MONO_MMAP_WRITE);
201 chunk->mem = (guint8 *)ALIGN_PTR_TO ((char*)chunk + sizeof (LockFreeMempoolChunk), 16);
202 chunk->size = ((char*)chunk + size) - (char*)chunk->mem;
205 /* Add to list of chunks lock-free */
208 if (InterlockedCompareExchangePointer ((volatile gpointer*)&mp->chunks, chunk, prev) == prev)
220 lock_free_mempool_alloc0 (LockFreeMempool *mp, guint size)
222 LockFreeMempoolChunk *chunk;
226 // FIXME: Free the allocator
228 size = ALIGN_TO (size, 8);
231 chunk = lock_free_mempool_chunk_new (mp, size);
232 mono_memory_barrier ();
237 /* The code below is lock-free, 'chunk' is shared state */
238 oldpos = InterlockedExchangeAdd (&chunk->pos, size);
239 if (oldpos + size > chunk->size) {
240 chunk = lock_free_mempool_chunk_new (mp, size);
241 g_assert (chunk->pos + size <= chunk->size);
244 mono_memory_barrier ();
247 res = (char*)chunk->mem + oldpos;
254 mono_install_create_domain_hook (MonoCreateDomainFunc func)
256 create_domain_hook = func;
260 mono_install_free_domain_hook (MonoFreeDomainFunc func)
262 free_domain_hook = func;
267 * @s1: First string to compare
268 * @s2: Second string to compare
270 * Compares two `MonoString*` instances ordinally for equality.
272 * Returns FALSE if the strings differ.
275 mono_string_equal (MonoString *s1, MonoString *s2)
277 int l1 = mono_string_length (s1);
278 int l2 = mono_string_length (s2);
285 return memcmp (mono_string_chars (s1), mono_string_chars (s2), l1 * 2) == 0;
290 * @s: the string to hash
292 * Compute the hash for a `MonoString*`
293 * Returns the hash for the string.
296 mono_string_hash (MonoString *s)
298 const guint16 *p = mono_string_chars (s);
299 int i, len = mono_string_length (s);
302 for (i = 0; i < len; i++) {
303 h = (h << 5) - h + *p;
311 mono_ptrarray_equal (gpointer *s1, gpointer *s2)
313 int len = GPOINTER_TO_INT (s1 [0]);
314 if (len != GPOINTER_TO_INT (s2 [0]))
317 return memcmp (s1 + 1, s2 + 1, len * sizeof(gpointer)) == 0;
321 mono_ptrarray_hash (gpointer *s)
324 int len = GPOINTER_TO_INT (s [0]);
327 for (i = 1; i < len; i++)
328 hash += GPOINTER_TO_UINT (s [i]);
334 * Allocate an id for domain and set domain->domain_id.
335 * LOCKING: must be called while holding appdomains_mutex.
336 * We try to assign low numbers to the domain, so it can be used
337 * as an index in data tables to lookup domain-specific info
338 * with minimal memory overhead. We also try not to reuse the
339 * same id too quickly (to help debugging).
342 domain_id_alloc (MonoDomain *domain)
345 if (!appdomains_list) {
346 appdomain_list_size = 2;
347 appdomains_list = (MonoDomain **)mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "domains list");
349 for (i = appdomain_next; i < appdomain_list_size; ++i) {
350 if (!appdomains_list [i]) {
356 for (i = 0; i < appdomain_next; ++i) {
357 if (!appdomains_list [i]) {
364 MonoDomain **new_list;
365 int new_size = appdomain_list_size * 2;
366 if (new_size >= (1 << 16))
367 g_assert_not_reached ();
368 id = appdomain_list_size;
369 new_list = (MonoDomain **)mono_gc_alloc_fixed (new_size * sizeof (void*), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "domains list");
370 memcpy (new_list, appdomains_list, appdomain_list_size * sizeof (void*));
371 mono_gc_free_fixed (appdomains_list);
372 appdomains_list = new_list;
373 appdomain_list_size = new_size;
375 domain->domain_id = id;
376 appdomains_list [id] = domain;
378 if (appdomain_next > appdomain_list_size)
383 static gsize domain_gc_bitmap [sizeof(MonoDomain)/4/32 + 1];
384 static MonoGCDescriptor domain_gc_desc = MONO_GC_DESCRIPTOR_NULL;
385 static guint32 domain_shadow_serial = 0L;
388 * mono_domain_create:
390 * Creates a new application domain, the unmanaged representation
391 * of the actual domain. Usually you will want to create the
393 * Application domains provide an isolation facilty for assemblies. You
394 * can load assemblies and execute code in them that will not be visible
395 * to other application domains. This is a runtime-based virtualization
398 * It is possible to unload domains, which unloads the assemblies and
399 * data that was allocated in that domain.
401 * When a domain is created a mempool is allocated for domain-specific
402 * structures, along a dedicated code manager to hold code that is
403 * associated with the domain.
405 * Returns: New initialized MonoDomain, with no configuration or assemblies
409 mono_domain_create (void)
412 guint32 shadow_serial;
414 mono_appdomains_lock ();
415 shadow_serial = domain_shadow_serial++;
417 if (!domain_gc_desc) {
418 unsigned int i, bit = 0;
419 for (i = G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_OBJECT); i < G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_GC_TRACKED); i += sizeof (gpointer)) {
420 bit = i / sizeof (gpointer);
421 domain_gc_bitmap [bit / 32] |= (gsize) 1 << (bit % 32);
423 domain_gc_desc = mono_gc_make_descr_from_bitmap ((gsize*)domain_gc_bitmap, bit + 1);
425 mono_appdomains_unlock ();
429 * Boehm doesn't like roots inside GC allocated objects, and alloc_fixed returns
430 * a GC_MALLOC-ed object, contrary to the api docs. This causes random crashes when
431 * running the corlib test suite.
432 * To solve this, we pass a NULL descriptor, and don't register roots.
434 domain = (MonoDomain *)mono_gc_alloc_fixed (sizeof (MonoDomain), NULL, MONO_ROOT_SOURCE_DOMAIN, "domain object");
436 domain = (MonoDomain *)mono_gc_alloc_fixed (sizeof (MonoDomain), domain_gc_desc, MONO_ROOT_SOURCE_DOMAIN, "domain object");
437 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");
439 domain->shadow_serial = shadow_serial;
440 domain->domain = NULL;
441 domain->setup = NULL;
442 domain->friendly_name = NULL;
443 domain->search_path = NULL;
445 mono_profiler_appdomain_event (domain, MONO_PROFILE_START_LOAD);
447 domain->mp = mono_mempool_new ();
448 domain->code_mp = mono_code_manager_new ();
449 domain->lock_free_mp = lock_free_mempool_new ();
450 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");
451 domain->domain_assemblies = NULL;
452 domain->assembly_bindings = NULL;
453 domain->assembly_bindings_parsed = FALSE;
454 domain->class_vtable_array = g_ptr_array_new ();
455 domain->proxy_vtable_hash = g_hash_table_new ((GHashFunc)mono_ptrarray_hash, (GCompareFunc)mono_ptrarray_equal);
456 domain->static_data_array = NULL;
457 mono_jit_code_hash_init (&domain->jit_code_hash);
458 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");
459 domain->num_jit_info_tables = 1;
460 domain->jit_info_table = mono_jit_info_table_new (domain);
461 domain->jit_info_free_queue = NULL;
462 domain->finalizable_objects_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
463 domain->ftnptrs_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
465 mono_coop_mutex_init_recursive (&domain->lock);
467 mono_os_mutex_init_recursive (&domain->assemblies_lock);
468 mono_os_mutex_init_recursive (&domain->jit_code_hash_lock);
469 mono_os_mutex_init_recursive (&domain->finalizable_objects_hash_lock);
471 domain->method_rgctx_hash = NULL;
473 mono_appdomains_lock ();
474 domain_id_alloc (domain);
475 mono_appdomains_unlock ();
477 #ifndef DISABLE_PERFCOUNTERS
478 mono_perfcounters->loader_appdomains++;
479 mono_perfcounters->loader_total_appdomains++;
482 mono_debug_domain_create (domain);
484 if (create_domain_hook)
485 create_domain_hook (domain);
487 mono_profiler_appdomain_loaded (domain, MONO_PROFILE_OK);
493 * mono_init_internal:
495 * Creates the initial application domain and initializes the mono_defaults
497 * This function is guaranteed to not run any IL code.
498 * If exe_filename is not NULL, the method will determine the required runtime
499 * from the exe configuration file or the version PE field.
500 * If runtime_version is not NULL, that runtime version will be used.
501 * Either exe_filename or runtime_version must be provided.
503 * Returns: the initial domain.
506 mono_init_internal (const char *filename, const char *exe_filename, const char *runtime_version)
508 static MonoDomain *domain = NULL;
509 MonoAssembly *ass = NULL;
510 MonoImageOpenStatus status = MONO_IMAGE_OK;
511 const MonoRuntimeInfo* runtimes [G_N_ELEMENTS (supported_runtimes) + 1];
514 #ifdef DEBUG_DOMAIN_UNLOAD
515 debug_domain_unload = TRUE;
519 g_assert_not_reached ();
522 /* Avoid system error message boxes. */
523 SetErrorMode (SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
530 #ifndef DISABLE_PERFCOUNTERS
531 mono_perfcounters_init ();
533 mono_counters_init ();
535 mono_counters_register ("Max native code in a domain", MONO_COUNTER_INT|MONO_COUNTER_JIT, &max_domain_code_size);
536 mono_counters_register ("Max code space allocated in a domain", MONO_COUNTER_INT|MONO_COUNTER_JIT, &max_domain_code_alloc);
537 mono_counters_register ("Total code space allocated", MONO_COUNTER_INT|MONO_COUNTER_JIT, &total_domain_code_alloc);
539 mono_gc_base_init ();
540 mono_thread_info_attach (&dummy);
542 MONO_FAST_TLS_INIT (tls_appdomain);
543 mono_native_tls_alloc (&appdomain_thread_id, NULL);
545 mono_coop_mutex_init_recursive (&appdomains_mutex);
547 mono_metadata_init ();
549 mono_assemblies_init ();
550 mono_classes_init ();
552 mono_reflection_init ();
553 mono_runtime_init_tls ();
555 /* FIXME: When should we release this memory? */
556 MONO_GC_REGISTER_ROOT_FIXED (appdomains_list, MONO_ROOT_SOURCE_DOMAIN, "domains list");
558 domain = mono_domain_create ();
559 mono_root_domain = domain;
561 SET_APPDOMAIN (domain);
563 /* Get a list of runtimes supported by the exe */
564 if (exe_filename != NULL) {
566 * This function will load the exe file as a MonoImage. We need to close it, but
567 * that would mean it would be reloaded later. So instead, we save it to
568 * exe_image, and close it during shutdown.
570 get_runtimes_from_exe (exe_filename, &exe_image, runtimes);
573 exe_image = mono_assembly_open_from_bundle (exe_filename, NULL, FALSE);
575 exe_image = mono_image_open (exe_filename, NULL);
577 mono_fixup_exe_image (exe_image);
579 } else if (runtime_version != NULL) {
580 runtimes [0] = get_runtime_by_version (runtime_version);
584 if (runtimes [0] == NULL) {
585 const MonoRuntimeInfo *default_runtime = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
586 runtimes [0] = default_runtime;
588 g_print ("WARNING: The runtime version supported by this application is unavailable.\n");
589 g_print ("Using default runtime: %s\n", default_runtime->runtime_version);
592 /* The selected runtime will be the first one for which there is a mscrolib.dll */
593 for (n = 0; runtimes [n] != NULL && ass == NULL; n++) {
594 current_runtime = runtimes [n];
595 ass = mono_assembly_load_corlib (current_runtime, &status);
596 if (status != MONO_IMAGE_OK && status != MONO_IMAGE_ERROR_ERRNO)
601 if ((status != MONO_IMAGE_OK) || (ass == NULL)) {
603 case MONO_IMAGE_ERROR_ERRNO: {
604 char *corlib_file = g_build_filename (mono_assembly_getrootdir (), "mono", current_runtime->framework_version, "mscorlib.dll", NULL);
605 g_print ("The assembly mscorlib.dll was not found or could not be loaded.\n");
606 g_print ("It should have been installed in the `%s' directory.\n", corlib_file);
607 g_free (corlib_file);
610 case MONO_IMAGE_IMAGE_INVALID:
611 g_print ("The file %s/mscorlib.dll is an invalid CIL image\n",
612 mono_assembly_getrootdir ());
614 case MONO_IMAGE_MISSING_ASSEMBLYREF:
615 g_print ("Missing assembly reference in %s/mscorlib.dll\n",
616 mono_assembly_getrootdir ());
619 /* to suppress compiler warning */
625 mono_defaults.corlib = mono_assembly_get_image (ass);
627 mono_defaults.object_class = mono_class_load_from_name (
628 mono_defaults.corlib, "System", "Object");
630 mono_defaults.void_class = mono_class_load_from_name (
631 mono_defaults.corlib, "System", "Void");
633 mono_defaults.boolean_class = mono_class_load_from_name (
634 mono_defaults.corlib, "System", "Boolean");
636 mono_defaults.byte_class = mono_class_load_from_name (
637 mono_defaults.corlib, "System", "Byte");
639 mono_defaults.sbyte_class = mono_class_load_from_name (
640 mono_defaults.corlib, "System", "SByte");
642 mono_defaults.int16_class = mono_class_load_from_name (
643 mono_defaults.corlib, "System", "Int16");
645 mono_defaults.uint16_class = mono_class_load_from_name (
646 mono_defaults.corlib, "System", "UInt16");
648 mono_defaults.int32_class = mono_class_load_from_name (
649 mono_defaults.corlib, "System", "Int32");
651 mono_defaults.uint32_class = mono_class_load_from_name (
652 mono_defaults.corlib, "System", "UInt32");
654 mono_defaults.uint_class = mono_class_load_from_name (
655 mono_defaults.corlib, "System", "UIntPtr");
657 mono_defaults.int_class = mono_class_load_from_name (
658 mono_defaults.corlib, "System", "IntPtr");
660 mono_defaults.int64_class = mono_class_load_from_name (
661 mono_defaults.corlib, "System", "Int64");
663 mono_defaults.uint64_class = mono_class_load_from_name (
664 mono_defaults.corlib, "System", "UInt64");
666 mono_defaults.single_class = mono_class_load_from_name (
667 mono_defaults.corlib, "System", "Single");
669 mono_defaults.double_class = mono_class_load_from_name (
670 mono_defaults.corlib, "System", "Double");
672 mono_defaults.char_class = mono_class_load_from_name (
673 mono_defaults.corlib, "System", "Char");
675 mono_defaults.string_class = mono_class_load_from_name (
676 mono_defaults.corlib, "System", "String");
678 mono_defaults.enum_class = mono_class_load_from_name (
679 mono_defaults.corlib, "System", "Enum");
681 mono_defaults.array_class = mono_class_load_from_name (
682 mono_defaults.corlib, "System", "Array");
684 mono_defaults.delegate_class = mono_class_load_from_name (
685 mono_defaults.corlib, "System", "Delegate");
687 mono_defaults.multicastdelegate_class = mono_class_load_from_name (
688 mono_defaults.corlib, "System", "MulticastDelegate");
690 mono_defaults.asyncresult_class = mono_class_load_from_name (
691 mono_defaults.corlib, "System.Runtime.Remoting.Messaging",
694 mono_defaults.manualresetevent_class = mono_class_load_from_name (
695 mono_defaults.corlib, "System.Threading", "ManualResetEvent");
697 mono_defaults.typehandle_class = mono_class_load_from_name (
698 mono_defaults.corlib, "System", "RuntimeTypeHandle");
700 mono_defaults.methodhandle_class = mono_class_load_from_name (
701 mono_defaults.corlib, "System", "RuntimeMethodHandle");
703 mono_defaults.fieldhandle_class = mono_class_load_from_name (
704 mono_defaults.corlib, "System", "RuntimeFieldHandle");
706 mono_defaults.systemtype_class = mono_class_load_from_name (
707 mono_defaults.corlib, "System", "Type");
709 mono_defaults.monotype_class = mono_class_load_from_name (
710 mono_defaults.corlib, "System", "MonoType");
712 mono_defaults.runtimetype_class = mono_class_load_from_name (
713 mono_defaults.corlib, "System", "RuntimeType");
715 mono_defaults.exception_class = mono_class_load_from_name (
716 mono_defaults.corlib, "System", "Exception");
718 mono_defaults.threadabortexception_class = mono_class_load_from_name (
719 mono_defaults.corlib, "System.Threading", "ThreadAbortException");
721 mono_defaults.thread_class = mono_class_load_from_name (
722 mono_defaults.corlib, "System.Threading", "Thread");
724 mono_defaults.internal_thread_class = mono_class_load_from_name (
725 mono_defaults.corlib, "System.Threading", "InternalThread");
727 mono_defaults.appdomain_class = mono_class_load_from_name (
728 mono_defaults.corlib, "System", "AppDomain");
730 #ifndef DISABLE_REMOTING
731 mono_defaults.transparent_proxy_class = mono_class_load_from_name (
732 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "TransparentProxy");
734 mono_defaults.real_proxy_class = mono_class_load_from_name (
735 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "RealProxy");
737 mono_defaults.marshalbyrefobject_class = mono_class_load_from_name (
738 mono_defaults.corlib, "System", "MarshalByRefObject");
740 mono_defaults.iremotingtypeinfo_class = mono_class_load_from_name (
741 mono_defaults.corlib, "System.Runtime.Remoting", "IRemotingTypeInfo");
745 mono_defaults.mono_method_message_class = mono_class_load_from_name (
746 mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "MonoMethodMessage");
748 mono_defaults.field_info_class = mono_class_load_from_name (
749 mono_defaults.corlib, "System.Reflection", "FieldInfo");
751 mono_defaults.method_info_class = mono_class_load_from_name (
752 mono_defaults.corlib, "System.Reflection", "MethodInfo");
754 mono_defaults.stringbuilder_class = mono_class_load_from_name (
755 mono_defaults.corlib, "System.Text", "StringBuilder");
757 mono_defaults.math_class = mono_class_load_from_name (
758 mono_defaults.corlib, "System", "Math");
760 mono_defaults.stack_frame_class = mono_class_load_from_name (
761 mono_defaults.corlib, "System.Diagnostics", "StackFrame");
763 mono_defaults.stack_trace_class = mono_class_load_from_name (
764 mono_defaults.corlib, "System.Diagnostics", "StackTrace");
766 mono_defaults.marshal_class = mono_class_load_from_name (
767 mono_defaults.corlib, "System.Runtime.InteropServices", "Marshal");
769 mono_defaults.typed_reference_class = mono_class_load_from_name (
770 mono_defaults.corlib, "System", "TypedReference");
772 mono_defaults.argumenthandle_class = mono_class_load_from_name (
773 mono_defaults.corlib, "System", "RuntimeArgumentHandle");
775 mono_defaults.monitor_class = mono_class_load_from_name (
776 mono_defaults.corlib, "System.Threading", "Monitor");
778 Not using GENERATE_TRY_GET_CLASS_WITH_CACHE_DECL as this type is heavily checked by sgen when computing finalization.
780 mono_defaults.critical_finalizer_object = mono_class_try_load_from_name (mono_defaults.corlib,
781 "System.Runtime.ConstrainedExecution", "CriticalFinalizerObject");
783 mono_assembly_load_friends (ass);
785 mono_defaults.handleref_class = mono_class_load_from_name (
786 mono_defaults.corlib, "System.Runtime.InteropServices", "HandleRef");
788 mono_defaults.attribute_class = mono_class_load_from_name (
789 mono_defaults.corlib, "System", "Attribute");
791 mono_defaults.customattribute_data_class = mono_class_load_from_name (
792 mono_defaults.corlib, "System.Reflection", "CustomAttributeData");
794 mono_class_init (mono_defaults.array_class);
795 mono_defaults.generic_nullable_class = mono_class_load_from_name (
796 mono_defaults.corlib, "System", "Nullable`1");
797 mono_defaults.generic_ilist_class = mono_class_load_from_name (
798 mono_defaults.corlib, "System.Collections.Generic", "IList`1");
799 mono_defaults.generic_ireadonlylist_class = mono_class_load_from_name (
800 mono_defaults.corlib, "System.Collections.Generic", "IReadOnlyList`1");
802 mono_defaults.threadpool_wait_callback_class = mono_class_load_from_name (
803 mono_defaults.corlib, "System.Threading", "_ThreadPoolWaitCallback");
805 mono_defaults.threadpool_perform_wait_callback_method = mono_class_get_method_from_name (
806 mono_defaults.threadpool_wait_callback_class, "PerformWaitCallback", 0);
808 domain->friendly_name = g_path_get_basename (filename);
810 mono_profiler_appdomain_name (domain, domain->friendly_name);
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 default runtime version.
824 * Returns: the initial domain.
827 mono_init (const char *domain_name)
829 return mono_init_internal (domain_name, NULL, DEFAULT_RUNTIME_VERSION);
833 * mono_init_from_assembly:
834 * @domain_name: name to give to the initial domain
835 * @filename: filename to load on startup
837 * Used by the runtime, users should use mono_jit_init instead.
839 * Creates the initial application domain and initializes the mono_defaults
841 * This function is guaranteed to not run any IL code.
842 * The runtime is initialized using the runtime version required by the
843 * provided executable. The version is determined by looking at the exe
844 * configuration file and the version PE field)
846 * Returns: the initial domain.
849 mono_init_from_assembly (const char *domain_name, const char *filename)
851 return mono_init_internal (domain_name, filename, NULL);
857 * Used by the runtime, users should use mono_jit_init instead.
859 * Creates the initial application domain and initializes the mono_defaults
862 * This function is guaranteed to not run any IL code.
863 * The runtime is initialized using the provided rutime version.
865 * Returns: the initial domain.
868 mono_init_version (const char *domain_name, const char *version)
870 return mono_init_internal (domain_name, NULL, version);
876 * Cleans up all metadata modules.
881 mono_close_exe_image ();
883 mono_defaults.corlib = NULL;
885 mono_config_cleanup ();
886 mono_loader_cleanup ();
887 mono_classes_cleanup ();
888 mono_assemblies_cleanup ();
889 mono_debug_cleanup ();
890 mono_images_cleanup ();
891 mono_metadata_cleanup ();
893 mono_native_tls_free (appdomain_thread_id);
894 mono_coop_mutex_destroy (&appdomains_mutex);
902 mono_close_exe_image (void)
905 mono_image_close (exe_image);
909 * mono_get_root_domain:
911 * The root AppDomain is the initial domain created by the runtime when it is
912 * initialized. Programs execute on this AppDomain, but can create new ones
913 * later. Currently there is no unmanaged API to create new AppDomains, this
914 * must be done from managed code.
916 * Returns: the root appdomain, to obtain the current domain, use mono_domain_get ()
919 mono_get_root_domain (void)
921 return mono_root_domain;
927 * This method returns the value of the current MonoDomain that this thread
928 * and code are running under. To obtain the root domain use
929 * mono_get_root_domain() API.
931 * Returns: the current domain
936 return GET_APPDOMAIN ();
940 mono_domain_unset (void)
942 SET_APPDOMAIN (NULL);
946 mono_domain_set_internal_with_options (MonoDomain *domain, gboolean migrate_exception)
948 MonoInternalThread *thread;
950 if (mono_domain_get () == domain)
953 SET_APPDOMAIN (domain);
954 SET_APPCONTEXT (domain->default_context);
956 if (migrate_exception) {
957 thread = mono_thread_internal_current ();
958 if (!thread->abort_exc)
961 g_assert (thread->abort_exc->object.vtable->domain != domain);
962 MONO_OBJECT_SETREF (thread, abort_exc, mono_get_exception_thread_abort ());
963 g_assert (thread->abort_exc->object.vtable->domain == domain);
968 * mono_domain_set_internal:
969 * @domain: the new domain
971 * Sets the current domain to @domain.
974 mono_domain_set_internal (MonoDomain *domain)
976 mono_domain_set_internal_with_options (domain, TRUE);
980 * mono_domain_foreach:
981 * @func: function to invoke with the domain data
982 * @user_data: user-defined pointer that is passed to the supplied @func fo reach domain
984 * Use this method to safely iterate over all the loaded application
985 * domains in the current runtime. The provided @func is invoked with a
986 * pointer to the MonoDomain and is given the value of the @user_data
987 * parameter which can be used to pass state to your called routine.
990 mono_domain_foreach (MonoDomainFunc func, gpointer user_data)
996 * Create a copy of the data to avoid calling the user callback
997 * inside the lock because that could lead to deadlocks.
998 * We can do this because this function is not perf. critical.
1000 mono_appdomains_lock ();
1001 size = appdomain_list_size;
1002 copy = (MonoDomain **)mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "temporary domains list");
1003 memcpy (copy, appdomains_list, appdomain_list_size * sizeof (void*));
1004 mono_appdomains_unlock ();
1006 for (i = 0; i < size; ++i) {
1008 func (copy [i], user_data);
1011 mono_gc_free_fixed (copy);
1015 * mono_domain_assembly_open:
1016 * @domain: the application domain
1017 * @name: file name of the assembly
1019 * fixme: maybe we should integrate this with mono_assembly_open ??
1022 mono_domain_assembly_open (MonoDomain *domain, const char *name)
1024 MonoDomain *current;
1028 mono_domain_assemblies_lock (domain);
1029 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1030 ass = (MonoAssembly *)tmp->data;
1031 if (strcmp (name, ass->aname.name) == 0) {
1032 mono_domain_assemblies_unlock (domain);
1036 mono_domain_assemblies_unlock (domain);
1038 if (domain != mono_domain_get ()) {
1039 current = mono_domain_get ();
1041 mono_domain_set (domain, FALSE);
1042 ass = mono_assembly_open (name, NULL);
1043 mono_domain_set (current, FALSE);
1045 ass = mono_assembly_open (name, NULL);
1052 unregister_vtable_reflection_type (MonoVTable *vtable)
1054 MonoObject *type = (MonoObject *)vtable->type;
1056 if (type->vtable->klass != mono_defaults.monotype_class)
1057 MONO_GC_UNREGISTER_ROOT_IF_MOVING (vtable->type);
1062 * @domain: the domain to release
1063 * @force: if true, it allows the root domain to be released (used at shutdown only).
1065 * This releases the resources associated with the specific domain.
1066 * This is a low-level function that is invoked by the AppDomain infrastructure
1070 mono_domain_free (MonoDomain *domain, gboolean force)
1072 int code_size, code_alloc;
1076 if ((domain == mono_root_domain) && !force) {
1077 g_warning ("cant unload root domain");
1081 if (mono_dont_free_domains)
1084 mono_profiler_appdomain_event (domain, MONO_PROFILE_START_UNLOAD);
1086 mono_debug_domain_unload (domain);
1088 mono_appdomains_lock ();
1089 appdomains_list [domain->domain_id] = NULL;
1090 mono_appdomains_unlock ();
1092 /* must do this early as it accesses fields and types */
1093 if (domain->special_static_fields) {
1094 mono_alloc_special_static_data_free (domain->special_static_fields);
1095 g_hash_table_destroy (domain->special_static_fields);
1096 domain->special_static_fields = NULL;
1100 * We must destroy all these hash tables here because they
1101 * contain references to managed objects belonging to the
1102 * domain. Once we let the GC clear the domain there must be
1103 * no more such references, or we'll crash if a collection
1106 mono_g_hash_table_destroy (domain->ldstr_table);
1107 domain->ldstr_table = NULL;
1109 mono_g_hash_table_destroy (domain->env);
1112 mono_reflection_cleanup_domain (domain);
1114 /* This must be done before type_hash is freed */
1115 if (domain->class_vtable_array) {
1117 for (i = 0; i < domain->class_vtable_array->len; ++i)
1118 unregister_vtable_reflection_type ((MonoVTable *)g_ptr_array_index (domain->class_vtable_array, i));
1121 if (domain->type_hash) {
1122 mono_g_hash_table_destroy (domain->type_hash);
1123 domain->type_hash = NULL;
1125 if (domain->type_init_exception_hash) {
1126 mono_g_hash_table_destroy (domain->type_init_exception_hash);
1127 domain->type_init_exception_hash = NULL;
1130 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1131 MonoAssembly *ass = (MonoAssembly *)tmp->data;
1132 mono_assembly_release_gc_roots (ass);
1135 /* Have to zero out reference fields since they will be invalidated by the clear_domain () call below */
1136 for (p = (gpointer*)&domain->MONO_DOMAIN_FIRST_OBJECT; p < (gpointer*)&domain->MONO_DOMAIN_FIRST_GC_TRACKED; ++p)
1139 /* This needs to be done before closing assemblies */
1140 mono_gc_clear_domain (domain);
1142 /* Close dynamic assemblies first, since they have no ref count */
1143 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1144 MonoAssembly *ass = (MonoAssembly *)tmp->data;
1145 if (!ass->image || !image_is_dynamic (ass->image))
1147 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);
1148 if (!mono_assembly_close_except_image_pools (ass))
1152 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1153 MonoAssembly *ass = (MonoAssembly *)tmp->data;
1156 if (!ass->image || image_is_dynamic (ass->image))
1158 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);
1159 if (!mono_assembly_close_except_image_pools (ass))
1163 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1164 MonoAssembly *ass = (MonoAssembly *)tmp->data;
1166 mono_assembly_close_finish (ass);
1168 g_slist_free (domain->domain_assemblies);
1169 domain->domain_assemblies = NULL;
1172 * Send this after the assemblies have been unloaded and the domain is still in a
1175 mono_profiler_appdomain_event (domain, MONO_PROFILE_END_UNLOAD);
1177 if (free_domain_hook)
1178 free_domain_hook (domain);
1180 /* FIXME: free delegate_hash_table when it's used */
1181 if (domain->search_path) {
1182 g_strfreev (domain->search_path);
1183 domain->search_path = NULL;
1185 domain->create_proxy_for_type_method = NULL;
1186 domain->private_invoke_method = NULL;
1187 domain->default_context = NULL;
1188 domain->out_of_memory_ex = NULL;
1189 domain->null_reference_ex = NULL;
1190 domain->stack_overflow_ex = NULL;
1191 domain->ephemeron_tombstone = NULL;
1192 domain->entry_assembly = NULL;
1194 g_free (domain->friendly_name);
1195 domain->friendly_name = NULL;
1196 g_ptr_array_free (domain->class_vtable_array, TRUE);
1197 domain->class_vtable_array = NULL;
1198 g_hash_table_destroy (domain->proxy_vtable_hash);
1199 domain->proxy_vtable_hash = NULL;
1200 if (domain->static_data_array) {
1201 mono_gc_free_fixed (domain->static_data_array);
1202 domain->static_data_array = NULL;
1204 mono_internal_hash_table_destroy (&domain->jit_code_hash);
1207 * There might still be jit info tables of this domain which
1208 * are not freed. Since the domain cannot be in use anymore,
1209 * this will free them.
1211 mono_thread_hazardous_try_free_all ();
1212 if (domain->aot_modules)
1213 mono_jit_info_table_free (domain->aot_modules);
1214 g_assert (domain->num_jit_info_tables == 1);
1215 mono_jit_info_table_free (domain->jit_info_table);
1216 domain->jit_info_table = NULL;
1217 g_assert (!domain->jit_info_free_queue);
1219 /* collect statistics */
1220 code_alloc = mono_code_manager_size (domain->code_mp, &code_size);
1221 total_domain_code_alloc += code_alloc;
1222 max_domain_code_alloc = MAX (max_domain_code_alloc, code_alloc);
1223 max_domain_code_size = MAX (max_domain_code_size, code_size);
1225 if (debug_domain_unload) {
1226 mono_mempool_invalidate (domain->mp);
1227 mono_code_manager_invalidate (domain->code_mp);
1229 #ifndef DISABLE_PERFCOUNTERS
1230 mono_perfcounters->loader_bytes -= mono_mempool_get_allocated (domain->mp);
1232 mono_mempool_destroy (domain->mp);
1234 mono_code_manager_destroy (domain->code_mp);
1235 domain->code_mp = NULL;
1237 lock_free_mempool_free (domain->lock_free_mp);
1238 domain->lock_free_mp = NULL;
1240 g_hash_table_destroy (domain->finalizable_objects_hash);
1241 domain->finalizable_objects_hash = NULL;
1242 if (domain->method_rgctx_hash) {
1243 g_hash_table_destroy (domain->method_rgctx_hash);
1244 domain->method_rgctx_hash = NULL;
1246 if (domain->generic_virtual_cases) {
1247 g_hash_table_destroy (domain->generic_virtual_cases);
1248 domain->generic_virtual_cases = NULL;
1250 if (domain->generic_virtual_thunks) {
1251 g_hash_table_destroy (domain->generic_virtual_thunks);
1252 domain->generic_virtual_thunks = NULL;
1254 if (domain->ftnptrs_hash) {
1255 g_hash_table_destroy (domain->ftnptrs_hash);
1256 domain->ftnptrs_hash = NULL;
1258 if (domain->method_to_dyn_method) {
1259 g_hash_table_destroy (domain->method_to_dyn_method);
1260 domain->method_to_dyn_method = NULL;
1263 mono_os_mutex_destroy (&domain->finalizable_objects_hash_lock);
1264 mono_os_mutex_destroy (&domain->assemblies_lock);
1265 mono_os_mutex_destroy (&domain->jit_code_hash_lock);
1267 mono_coop_mutex_destroy (&domain->lock);
1269 domain->setup = NULL;
1271 mono_gc_deregister_root ((char*)&(domain->MONO_DOMAIN_FIRST_GC_TRACKED));
1273 /* FIXME: anything else required ? */
1275 mono_gc_free_fixed (domain);
1277 #ifndef DISABLE_PERFCOUNTERS
1278 mono_perfcounters->loader_appdomains--;
1281 if (domain == mono_root_domain)
1282 mono_root_domain = NULL;
1286 * mono_domain_get_by_id:
1289 * Returns: the domain for a specific domain id.
1292 mono_domain_get_by_id (gint32 domainid)
1294 MonoDomain * domain;
1296 mono_appdomains_lock ();
1297 if (domainid < appdomain_list_size)
1298 domain = appdomains_list [domainid];
1301 mono_appdomains_unlock ();
1307 * mono_domain_get_id:
1309 * A domain ID is guaranteed to be unique for as long as the domain
1310 * using it is alive. It may be reused later once the domain has been
1313 * Returns: The unique ID for @domain.
1316 mono_domain_get_id (MonoDomain *domain)
1318 return domain->domain_id;
1322 * mono_domain_get_friendly_name:
1324 * The returned string's lifetime is the same as @domain's. Consider
1325 * copying it if you need to store it somewhere.
1327 * Returns: The friendly name of @domain. Can be NULL if not yet set.
1330 mono_domain_get_friendly_name (MonoDomain *domain)
1332 return domain->friendly_name;
1336 * mono_domain_alloc:
1338 * LOCKING: Acquires the domain lock.
1341 mono_domain_alloc (MonoDomain *domain, guint size)
1345 mono_domain_lock (domain);
1346 #ifndef DISABLE_PERFCOUNTERS
1347 mono_perfcounters->loader_bytes += size;
1349 res = mono_mempool_alloc (domain->mp, size);
1350 mono_domain_unlock (domain);
1356 * mono_domain_alloc0:
1358 * LOCKING: Acquires the domain lock.
1361 mono_domain_alloc0 (MonoDomain *domain, guint size)
1365 mono_domain_lock (domain);
1366 #ifndef DISABLE_PERFCOUNTERS
1367 mono_perfcounters->loader_bytes += size;
1369 res = mono_mempool_alloc0 (domain->mp, size);
1370 mono_domain_unlock (domain);
1376 mono_domain_alloc0_lock_free (MonoDomain *domain, guint size)
1378 return lock_free_mempool_alloc0 (domain->lock_free_mp, size);
1382 * mono_domain_code_reserve:
1384 * LOCKING: Acquires the domain lock.
1387 mono_domain_code_reserve (MonoDomain *domain, int size)
1391 mono_domain_lock (domain);
1392 res = mono_code_manager_reserve (domain->code_mp, size);
1393 mono_domain_unlock (domain);
1399 * mono_domain_code_reserve_align:
1401 * LOCKING: Acquires the domain lock.
1404 mono_domain_code_reserve_align (MonoDomain *domain, int size, int alignment)
1408 mono_domain_lock (domain);
1409 res = mono_code_manager_reserve_align (domain->code_mp, size, alignment);
1410 mono_domain_unlock (domain);
1416 * mono_domain_code_commit:
1418 * LOCKING: Acquires the domain lock.
1421 mono_domain_code_commit (MonoDomain *domain, void *data, int size, int newsize)
1423 mono_domain_lock (domain);
1424 mono_code_manager_commit (domain->code_mp, data, size, newsize);
1425 mono_domain_unlock (domain);
1428 #if defined(__native_client_codegen__) && defined(__native_client__)
1430 * Given the temporary buffer (allocated by mono_domain_code_reserve) into which
1431 * we are generating code, return a pointer to the destination in the dynamic
1432 * code segment into which the code will be copied when mono_domain_code_commit
1434 * LOCKING: Acquires the domain lock.
1437 nacl_domain_get_code_dest (MonoDomain *domain, void *data)
1440 mono_domain_lock (domain);
1441 dest = nacl_code_manager_get_code_dest (domain->code_mp, data);
1442 mono_domain_unlock (domain);
1447 * Convenience function which calls mono_domain_code_commit to validate and copy
1448 * the code. The caller sets *buf_base and *buf_size to the start and size of
1449 * the buffer (allocated by mono_domain_code_reserve), and *code_end to the byte
1450 * after the last instruction byte. On return, *buf_base will point to the start
1451 * of the copied in the code segment, and *code_end will point after the end of
1455 nacl_domain_code_validate (MonoDomain *domain, guint8 **buf_base, int buf_size, guint8 **code_end)
1457 guint8 *tmp = nacl_domain_get_code_dest (domain, *buf_base);
1458 mono_domain_code_commit (domain, *buf_base, buf_size, *code_end - *buf_base);
1459 *code_end = tmp + (*code_end - *buf_base);
1465 /* no-op versions of Native Client functions */
1468 nacl_domain_get_code_dest (MonoDomain *domain, void *data)
1474 nacl_domain_code_validate (MonoDomain *domain, guint8 **buf_base, int buf_size, guint8 **code_end)
1481 * mono_domain_code_foreach:
1482 * Iterate over the code thunks of the code manager of @domain.
1484 * The @func callback MUST not take any locks. If it really needs to, it must respect
1485 * the locking rules of the runtime: http://www.mono-project.com/Mono:Runtime:Documentation:ThreadSafety
1486 * LOCKING: Acquires the domain lock.
1490 mono_domain_code_foreach (MonoDomain *domain, MonoCodeManagerFunc func, void *user_data)
1492 mono_domain_lock (domain);
1493 mono_code_manager_foreach (domain->code_mp, func, user_data);
1494 mono_domain_unlock (domain);
1499 mono_context_set (MonoAppContext * new_context)
1501 SET_APPCONTEXT (new_context);
1507 * Returns: the current Mono Application Context.
1510 mono_context_get (void)
1512 return GET_APPCONTEXT ();
1516 * mono_context_get_id:
1517 * @context: the context to operate on.
1519 * Context IDs are guaranteed to be unique for the duration of a Mono
1520 * process; they are never reused.
1522 * Returns: The unique ID for @context.
1525 mono_context_get_id (MonoAppContext *context)
1527 return context->context_id;
1531 * mono_context_get_domain_id:
1532 * @context: the context to operate on.
1534 * Returns: The ID of the domain that @context was created in.
1537 mono_context_get_domain_id (MonoAppContext *context)
1539 return context->domain_id;
1542 /* LOCKING: the caller holds the lock for this domain */
1544 mono_domain_add_class_static_data (MonoDomain *domain, MonoClass *klass, gpointer data, guint32 *bitmap)
1546 /* The first entry in the array is the index of the next free slot
1547 * and the total size of the array
1550 if (domain->static_data_array) {
1551 int size = GPOINTER_TO_INT (domain->static_data_array [1]);
1552 next = GPOINTER_TO_INT (domain->static_data_array [0]);
1554 /* 'data' is allocated by alloc_fixed */
1555 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");
1556 mono_gc_memmove_aligned (new_array, domain->static_data_array, sizeof (gpointer) * size);
1558 new_array [1] = GINT_TO_POINTER (size);
1559 mono_gc_free_fixed (domain->static_data_array);
1560 domain->static_data_array = new_array;
1564 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");
1566 new_array [0] = GINT_TO_POINTER (next);
1567 new_array [1] = GINT_TO_POINTER (size);
1568 domain->static_data_array = new_array;
1570 domain->static_data_array [next++] = data;
1571 domain->static_data_array [0] = GINT_TO_POINTER (next);
1577 * Use this function to get the `MonoImage*` for the mscorlib.dll assembly
1579 * Returns: The MonoImage for mscorlib.dll
1582 mono_get_corlib (void)
1584 return mono_defaults.corlib;
1588 * mono_get_object_class:
1590 * Use this function to get the `MonoClass*` that the runtime is using for `System.Object`.
1592 * Returns: The `MonoClass*` for the `System.Object` type.
1595 mono_get_object_class (void)
1597 return mono_defaults.object_class;
1601 * mono_get_byte_class:
1603 * Use this function to get the `MonoClass*` that the runtime is using for `System.Byte`.
1605 * Returns: The `MonoClass*` for the `System.Byte` type.
1608 mono_get_byte_class (void)
1610 return mono_defaults.byte_class;
1614 * mono_get_void_class:
1616 * Use this function to get the `MonoClass*` that the runtime is using for `System.Void`.
1618 * Returns: The `MonoClass*` for the `System.Void` type.
1621 mono_get_void_class (void)
1623 return mono_defaults.void_class;
1627 * mono_get_boolean_class:
1629 * Use this function to get the `MonoClass*` that the runtime is using for `System.Boolean`.
1631 * Returns: The `MonoClass*` for the `System.Boolean` type.
1634 mono_get_boolean_class (void)
1636 return mono_defaults.boolean_class;
1640 * mono_get_sbyte_class:
1642 * Use this function to get the `MonoClass*` that the runtime is using for `System.SByte`.
1644 * Returns: The `MonoClass*` for the `System.SByte` type.
1647 mono_get_sbyte_class (void)
1649 return mono_defaults.sbyte_class;
1653 * mono_get_int16_class:
1655 * Use this function to get the `MonoClass*` that the runtime is using for `System.Int16`.
1657 * Returns: The `MonoClass*` for the `System.Int16` type.
1660 mono_get_int16_class (void)
1662 return mono_defaults.int16_class;
1666 * mono_get_uint16_class:
1668 * Use this function to get the `MonoClass*` that the runtime is using for `System.UInt16`.
1670 * Returns: The `MonoClass*` for the `System.UInt16` type.
1673 mono_get_uint16_class (void)
1675 return mono_defaults.uint16_class;
1679 * mono_get_int32_class:
1681 * Use this function to get the `MonoClass*` that the runtime is using for `System.Int32`.
1683 * Returns: The `MonoClass*` for the `System.Int32` type.
1686 mono_get_int32_class (void)
1688 return mono_defaults.int32_class;
1692 * mono_get_uint32_class:
1694 * Use this function to get the `MonoClass*` that the runtime is using for `System.UInt32`.
1696 * Returns: The `MonoClass*` for the `System.UInt32` type.
1699 mono_get_uint32_class (void)
1701 return mono_defaults.uint32_class;
1705 * mono_get_intptr_class:
1707 * Use this function to get the `MonoClass*` that the runtime is using for `System.IntPtr`.
1709 * Returns: The `MonoClass*` for the `System.IntPtr` type.
1712 mono_get_intptr_class (void)
1714 return mono_defaults.int_class;
1718 * mono_get_uintptr_class:
1720 * Use this function to get the `MonoClass*` that the runtime is using for `System.UIntPtr`.
1722 * Returns: The `MonoClass*` for the `System.UIntPtr` type.
1725 mono_get_uintptr_class (void)
1727 return mono_defaults.uint_class;
1731 * mono_get_int64_class:
1733 * Use this function to get the `MonoClass*` that the runtime is using for `System.Int64`.
1735 * Returns: The `MonoClass*` for the `System.Int64` type.
1738 mono_get_int64_class (void)
1740 return mono_defaults.int64_class;
1744 * mono_get_uint64_class:
1746 * Use this function to get the `MonoClass*` that the runtime is using for `System.UInt64`.
1748 * Returns: The `MonoClass*` for the `System.UInt64` type.
1751 mono_get_uint64_class (void)
1753 return mono_defaults.uint64_class;
1757 * mono_get_single_class:
1759 * Use this function to get the `MonoClass*` that the runtime is using for `System.Single` (32-bit floating points).
1761 * Returns: The `MonoClass*` for the `System.Single` type.
1764 mono_get_single_class (void)
1766 return mono_defaults.single_class;
1770 * mono_get_double_class:
1772 * Use this function to get the `MonoClass*` that the runtime is using for `System.Double` (64-bit floating points).
1774 * Returns: The `MonoClass*` for the `System.Double` type.
1777 mono_get_double_class (void)
1779 return mono_defaults.double_class;
1783 * mono_get_char_class:
1785 * Use this function to get the `MonoClass*` that the runtime is using for `System.Char`.
1787 * Returns: The `MonoClass*` for the `System.Char` type.
1790 mono_get_char_class (void)
1792 return mono_defaults.char_class;
1796 * mono_get_string_class:
1798 * Use this function to get the `MonoClass*` that the runtime is using for `System.String`.
1800 * Returns: The `MonoClass*` for the `System.String` type.
1803 mono_get_string_class (void)
1805 return mono_defaults.string_class;
1809 * mono_get_enum_class:
1811 * Use this function to get the `MonoClass*` that the runtime is using for `System.Enum`.
1813 * Returns: The `MonoClass*` for the `System.Enum` type.
1816 mono_get_enum_class (void)
1818 return mono_defaults.enum_class;
1822 * mono_get_array_class:
1824 * Use this function to get the `MonoClass*` that the runtime is using for `System.Array`.
1826 * Returns: The `MonoClass*` for the `System.Array` type.
1829 mono_get_array_class (void)
1831 return mono_defaults.array_class;
1835 * mono_get_thread_class:
1837 * Use this function to get the `MonoClass*` that the runtime is using for `System.Threading.Thread`.
1839 * Returns: The `MonoClass*` for the `System.Threading.Thread` type.
1842 mono_get_thread_class (void)
1844 return mono_defaults.thread_class;
1848 * mono_get_exception_class:
1850 * Use this function to get the `MonoClass*` that the runtime is using for `System.Exception`.
1852 * Returns: The `MonoClass*` for the `` type.
1855 mono_get_exception_class (void)
1857 return mono_defaults.exception_class;
1861 static char* get_attribute_value (const gchar **attribute_names,
1862 const gchar **attribute_values,
1863 const char *att_name)
1866 for (n=0; attribute_names[n] != NULL; n++) {
1867 if (strcmp (attribute_names[n], att_name) == 0)
1868 return g_strdup (attribute_values[n]);
1873 static void start_element (GMarkupParseContext *context,
1874 const gchar *element_name,
1875 const gchar **attribute_names,
1876 const gchar **attribute_values,
1880 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
1882 if (strcmp (element_name, "configuration") == 0) {
1883 app_config->configuration_count++;
1886 if (strcmp (element_name, "startup") == 0) {
1887 app_config->startup_count++;
1891 if (app_config->configuration_count != 1 || app_config->startup_count != 1)
1894 if (strcmp (element_name, "requiredRuntime") == 0) {
1895 app_config->required_runtime = get_attribute_value (attribute_names, attribute_values, "version");
1896 } else if (strcmp (element_name, "supportedRuntime") == 0) {
1897 char *version = get_attribute_value (attribute_names, attribute_values, "version");
1898 app_config->supported_runtimes = g_slist_append (app_config->supported_runtimes, version);
1902 static void end_element (GMarkupParseContext *context,
1903 const gchar *element_name,
1907 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
1909 if (strcmp (element_name, "configuration") == 0) {
1910 app_config->configuration_count--;
1911 } else if (strcmp (element_name, "startup") == 0) {
1912 app_config->startup_count--;
1916 static const GMarkupParser
1925 static AppConfigInfo *
1926 app_config_parse (const char *exe_filename)
1928 AppConfigInfo *app_config;
1929 GMarkupParseContext *context;
1932 const char *bundled_config;
1933 char *config_filename;
1935 bundled_config = mono_config_string_for_assembly_file (exe_filename);
1937 if (bundled_config) {
1938 text = g_strdup (bundled_config);
1939 len = strlen (text);
1941 config_filename = g_strconcat (exe_filename, ".config", NULL);
1943 if (!g_file_get_contents (config_filename, &text, &len, NULL)) {
1944 g_free (config_filename);
1947 g_free (config_filename);
1950 app_config = g_new0 (AppConfigInfo, 1);
1952 context = g_markup_parse_context_new (&mono_parser, (GMarkupParseFlags)0, app_config, NULL);
1953 if (g_markup_parse_context_parse (context, text, len, NULL)) {
1954 g_markup_parse_context_end_parse (context, NULL);
1956 g_markup_parse_context_free (context);
1962 app_config_free (AppConfigInfo* app_config)
1965 GSList *list = app_config->supported_runtimes;
1966 while (list != NULL) {
1967 rt = (char*)list->data;
1969 list = g_slist_next (list);
1971 g_slist_free (app_config->supported_runtimes);
1972 g_free (app_config->required_runtime);
1973 g_free (app_config);
1977 static const MonoRuntimeInfo*
1978 get_runtime_by_version (const char *version)
1981 int max = G_N_ELEMENTS (supported_runtimes);
1987 for (n=0; n<max; n++) {
1988 if (strcmp (version, supported_runtimes[n].runtime_version) == 0)
1989 return &supported_runtimes[n];
1992 vlen = strlen (version);
1993 if (vlen >= 4 && version [1] - '0' >= 4) {
1994 for (n=0; n<max; n++) {
1995 if (strncmp (version, supported_runtimes[n].runtime_version, 4) == 0)
1996 return &supported_runtimes[n];
2004 get_runtimes_from_exe (const char *exe_file, MonoImage **exe_image, const MonoRuntimeInfo** runtimes)
2006 AppConfigInfo* app_config;
2008 const MonoRuntimeInfo* runtime = NULL;
2009 MonoImage *image = NULL;
2011 app_config = app_config_parse (exe_file);
2013 if (app_config != NULL) {
2014 /* Check supportedRuntime elements, if none is supported, fail.
2015 * If there are no such elements, look for a requiredRuntime element.
2017 if (app_config->supported_runtimes != NULL) {
2019 GSList *list = app_config->supported_runtimes;
2020 while (list != NULL) {
2021 version = (char*) list->data;
2022 runtime = get_runtime_by_version (version);
2023 if (runtime != NULL)
2024 runtimes [n++] = runtime;
2025 list = g_slist_next (list);
2027 runtimes [n] = NULL;
2028 app_config_free (app_config);
2032 /* Check the requiredRuntime element. This is for 1.0 apps only. */
2033 if (app_config->required_runtime != NULL) {
2034 runtimes [0] = get_runtime_by_version (app_config->required_runtime);
2035 runtimes [1] = NULL;
2036 app_config_free (app_config);
2039 app_config_free (app_config);
2042 /* Look for a runtime with the exact version */
2043 image = mono_assembly_open_from_bundle (exe_file, NULL, FALSE);
2046 image = mono_image_open (exe_file, NULL);
2048 if (image == NULL) {
2049 /* The image is wrong or the file was not found. In this case return
2050 * a default runtime and leave to the initialization method the work of
2051 * reporting the error.
2053 runtimes [0] = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
2054 runtimes [1] = NULL;
2060 runtimes [0] = get_runtime_by_version (image->version);
2061 runtimes [1] = NULL;
2066 * mono_get_runtime_info:
2068 * Returns: the version of the current runtime instance.
2070 const MonoRuntimeInfo*
2071 mono_get_runtime_info (void)
2073 return current_runtime;
2077 * mono_framework_version:
2079 * Return the major version of the framework curently executing.
2082 mono_framework_version (void)
2084 return current_runtime->framework_version [0] - '0';
2088 mono_enable_debug_domain_unload (gboolean enable)
2090 debug_domain_unload = enable;
2093 MonoAotCacheConfig *
2094 mono_get_aot_cache_config (void)
2096 return &aot_cache_config;
2100 mono_domain_lock (MonoDomain *domain)
2102 mono_locks_coop_acquire (&domain->lock, DomainLock);
2106 mono_domain_unlock (MonoDomain *domain)
2108 mono_locks_coop_release (&domain->lock, DomainLock);