6 * Dietmar Maurer (dietmar@ximian.com)
9 * Copyright 2001-2003 Ximian, Inc (http://www.ximian.com)
10 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
11 * Copyright 2011-2012 Xamarin, Inc (http://www.xamarin.com)
12 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
20 #include <mono/metadata/gc-internals.h>
22 #include <mono/utils/atomic.h>
23 #include <mono/utils/mono-compiler.h>
24 #include <mono/utils/mono-logger-internals.h>
25 #include <mono/utils/mono-membar.h>
26 #include <mono/utils/mono-counters.h>
27 #include <mono/utils/hazard-pointer.h>
28 #include <mono/utils/mono-tls.h>
29 #include <mono/utils/mono-mmap.h>
30 #include <mono/utils/mono-threads.h>
31 #include <mono/metadata/object.h>
32 #include <mono/metadata/object-internals.h>
33 #include <mono/metadata/domain-internals.h>
34 #include <mono/metadata/class-internals.h>
35 #include <mono/metadata/debug-internals.h>
36 #include <mono/metadata/assembly-internals.h>
37 #include <mono/metadata/exception.h>
38 #include <mono/metadata/metadata-internals.h>
39 #include <mono/metadata/appdomain.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 <mono/metadata/w32file.h>
48 #include <metadata/threads.h>
49 #include <metadata/profiler-private.h>
50 #include <mono/metadata/coree.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 #define NOT_AVAIL {0xffffU,0xffffU,0xffffU,0xffffU}
99 /* This is the list of runtime versions supported by this JIT.
101 static const MonoRuntimeInfo supported_runtimes[] = {
102 {"v4.0.30319","4.5", NULL, { {4,0,0,0}, {10,0,0,0}, {4,0,0,0}, {4,0,0,0}, {4,0,0,0} } },
103 {"mobile", "2.1", "7cec85d7bea7798e", { {2,0,5,0}, {10,0,0,0}, {2,0,5,0}, {2,0,5,0}, {4,0,0,0} } },
104 {"moonlight", "2.1", NULL, { {2,0,5,0}, { 9,0,0,0}, {3,5,0,0}, {3,0,0,0}, NOT_AVAIL } },
110 /* The stable runtime version */
111 #define DEFAULT_RUNTIME_VERSION "v4.0.30319"
113 /* Callbacks installed by the JIT */
114 static MonoCreateDomainFunc create_domain_hook;
115 static MonoFreeDomainFunc free_domain_hook;
117 /* AOT cache configuration */
118 static MonoAotCacheConfig aot_cache_config;
121 get_runtimes_from_exe (const char *exe_file, MonoImage **exe_image, const MonoRuntimeInfo** runtimes);
123 static const MonoRuntimeInfo*
124 get_runtime_by_version (const char *version);
126 #define ALIGN_TO(val,align) ((((guint64)val) + ((align) - 1)) & ~((align) - 1))
127 #define ALIGN_PTR_TO(ptr,align) (gpointer)((((gssize)(ptr)) + (align - 1)) & (~(align - 1)))
129 static LockFreeMempool*
130 lock_free_mempool_new (void)
132 return g_new0 (LockFreeMempool, 1);
136 lock_free_mempool_free (LockFreeMempool *mp)
138 LockFreeMempoolChunk *chunk, *next;
142 next = (LockFreeMempoolChunk *)chunk->prev;
143 mono_vfree (chunk, mono_pagesize (), MONO_MEM_ACCOUNT_DOMAIN);
152 static LockFreeMempoolChunk*
153 lock_free_mempool_chunk_new (LockFreeMempool *mp, int len)
155 LockFreeMempoolChunk *chunk, *prev;
158 size = mono_pagesize ();
159 while (size - sizeof (LockFreeMempoolChunk) < len)
160 size += mono_pagesize ();
161 chunk = (LockFreeMempoolChunk *)mono_valloc (0, size, MONO_MMAP_READ|MONO_MMAP_WRITE, MONO_MEM_ACCOUNT_DOMAIN);
163 chunk->mem = (guint8 *)ALIGN_PTR_TO ((char*)chunk + sizeof (LockFreeMempoolChunk), 16);
164 chunk->size = ((char*)chunk + size) - (char*)chunk->mem;
167 /* Add to list of chunks lock-free */
170 if (InterlockedCompareExchangePointer ((volatile gpointer*)&mp->chunks, chunk, prev) == prev)
182 lock_free_mempool_alloc0 (LockFreeMempool *mp, guint size)
184 LockFreeMempoolChunk *chunk;
188 // FIXME: Free the allocator
190 size = ALIGN_TO (size, 8);
193 chunk = lock_free_mempool_chunk_new (mp, size);
194 mono_memory_barrier ();
199 /* The code below is lock-free, 'chunk' is shared state */
200 oldpos = InterlockedExchangeAdd (&chunk->pos, size);
201 if (oldpos + size > chunk->size) {
202 chunk = lock_free_mempool_chunk_new (mp, size);
203 g_assert (chunk->pos + size <= chunk->size);
206 mono_memory_barrier ();
209 res = (char*)chunk->mem + oldpos;
216 mono_install_create_domain_hook (MonoCreateDomainFunc func)
218 create_domain_hook = func;
222 mono_install_free_domain_hook (MonoFreeDomainFunc func)
224 free_domain_hook = func;
229 * @s1: First string to compare
230 * @s2: Second string to compare
232 * Compares two `MonoString*` instances ordinally for equality.
234 * Returns FALSE if the strings differ.
237 mono_string_equal (MonoString *s1, MonoString *s2)
239 int l1 = mono_string_length (s1);
240 int l2 = mono_string_length (s2);
247 return memcmp (mono_string_chars (s1), mono_string_chars (s2), l1 * 2) == 0;
252 * @s: the string to hash
254 * Compute the hash for a `MonoString*`
255 * Returns the hash for the string.
258 mono_string_hash (MonoString *s)
260 const guint16 *p = mono_string_chars (s);
261 int i, len = mono_string_length (s);
264 for (i = 0; i < len; i++) {
265 h = (h << 5) - h + *p;
273 mono_ptrarray_equal (gpointer *s1, gpointer *s2)
275 int len = GPOINTER_TO_INT (s1 [0]);
276 if (len != GPOINTER_TO_INT (s2 [0]))
279 return memcmp (s1 + 1, s2 + 1, len * sizeof(gpointer)) == 0;
283 mono_ptrarray_hash (gpointer *s)
286 int len = GPOINTER_TO_INT (s [0]);
289 for (i = 1; i < len; i++)
290 hash += GPOINTER_TO_UINT (s [i]);
296 * Allocate an id for domain and set domain->domain_id.
297 * LOCKING: must be called while holding appdomains_mutex.
298 * We try to assign low numbers to the domain, so it can be used
299 * as an index in data tables to lookup domain-specific info
300 * with minimal memory overhead. We also try not to reuse the
301 * same id too quickly (to help debugging).
304 domain_id_alloc (MonoDomain *domain)
307 if (!appdomains_list) {
308 appdomain_list_size = 2;
309 appdomains_list = (MonoDomain **)mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "domains list");
311 for (i = appdomain_next; i < appdomain_list_size; ++i) {
312 if (!appdomains_list [i]) {
318 for (i = 0; i < appdomain_next; ++i) {
319 if (!appdomains_list [i]) {
326 MonoDomain **new_list;
327 int new_size = appdomain_list_size * 2;
328 if (new_size >= (1 << 16))
329 g_assert_not_reached ();
330 id = appdomain_list_size;
331 new_list = (MonoDomain **)mono_gc_alloc_fixed (new_size * sizeof (void*), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "domains list");
332 memcpy (new_list, appdomains_list, appdomain_list_size * sizeof (void*));
333 mono_gc_free_fixed (appdomains_list);
334 appdomains_list = new_list;
335 appdomain_list_size = new_size;
337 domain->domain_id = id;
338 appdomains_list [id] = domain;
340 if (appdomain_next > appdomain_list_size)
345 static gsize domain_gc_bitmap [sizeof(MonoDomain)/4/32 + 1];
346 static MonoGCDescriptor domain_gc_desc = MONO_GC_DESCRIPTOR_NULL;
347 static guint32 domain_shadow_serial = 0L;
350 * mono_domain_create:
352 * Creates a new application domain, the unmanaged representation
353 * of the actual domain. Usually you will want to create the
355 * Application domains provide an isolation facilty for assemblies. You
356 * can load assemblies and execute code in them that will not be visible
357 * to other application domains. This is a runtime-based virtualization
360 * It is possible to unload domains, which unloads the assemblies and
361 * data that was allocated in that domain.
363 * When a domain is created a mempool is allocated for domain-specific
364 * structures, along a dedicated code manager to hold code that is
365 * associated with the domain.
367 * Returns: New initialized MonoDomain, with no configuration or assemblies
371 mono_domain_create (void)
374 guint32 shadow_serial;
376 mono_appdomains_lock ();
377 shadow_serial = domain_shadow_serial++;
379 if (!domain_gc_desc) {
380 unsigned int i, bit = 0;
381 for (i = G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_OBJECT); i < G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_GC_TRACKED); i += sizeof (gpointer)) {
382 bit = i / sizeof (gpointer);
383 domain_gc_bitmap [bit / 32] |= (gsize) 1 << (bit % 32);
385 domain_gc_desc = mono_gc_make_descr_from_bitmap ((gsize*)domain_gc_bitmap, bit + 1);
387 mono_appdomains_unlock ();
390 domain = (MonoDomain *)mono_gc_alloc_fixed (sizeof (MonoDomain), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "domain object");
392 domain = (MonoDomain *)mono_gc_alloc_fixed (sizeof (MonoDomain), domain_gc_desc, MONO_ROOT_SOURCE_DOMAIN, "domain object");
393 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");
395 domain->shadow_serial = shadow_serial;
396 domain->domain = NULL;
397 domain->setup = NULL;
398 domain->friendly_name = NULL;
399 domain->search_path = NULL;
401 mono_profiler_appdomain_event (domain, MONO_PROFILE_START_LOAD);
403 domain->mp = mono_mempool_new ();
404 domain->code_mp = mono_code_manager_new ();
405 domain->lock_free_mp = lock_free_mempool_new ();
406 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");
407 domain->domain_assemblies = NULL;
408 domain->assembly_bindings = NULL;
409 domain->assembly_bindings_parsed = FALSE;
410 domain->class_vtable_array = g_ptr_array_new ();
411 domain->proxy_vtable_hash = g_hash_table_new ((GHashFunc)mono_ptrarray_hash, (GCompareFunc)mono_ptrarray_equal);
412 domain->static_data_array = NULL;
413 mono_jit_code_hash_init (&domain->jit_code_hash);
414 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");
415 domain->num_jit_info_tables = 1;
416 domain->jit_info_table = mono_jit_info_table_new (domain);
417 domain->jit_info_free_queue = NULL;
418 domain->finalizable_objects_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
419 domain->ftnptrs_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
421 mono_coop_mutex_init_recursive (&domain->lock);
423 mono_os_mutex_init_recursive (&domain->assemblies_lock);
424 mono_os_mutex_init_recursive (&domain->jit_code_hash_lock);
425 mono_os_mutex_init_recursive (&domain->finalizable_objects_hash_lock);
427 domain->method_rgctx_hash = NULL;
429 mono_appdomains_lock ();
430 domain_id_alloc (domain);
431 mono_appdomains_unlock ();
433 #ifndef DISABLE_PERFCOUNTERS
434 mono_perfcounters->loader_appdomains++;
435 mono_perfcounters->loader_total_appdomains++;
438 mono_debug_domain_create (domain);
440 if (create_domain_hook)
441 create_domain_hook (domain);
443 mono_profiler_appdomain_loaded (domain, MONO_PROFILE_OK);
449 * mono_init_internal:
451 * Creates the initial application domain and initializes the mono_defaults
453 * This function is guaranteed to not run any IL code.
454 * If exe_filename is not NULL, the method will determine the required runtime
455 * from the exe configuration file or the version PE field.
456 * If runtime_version is not NULL, that runtime version will be used.
457 * Either exe_filename or runtime_version must be provided.
459 * Returns: the initial domain.
462 mono_init_internal (const char *filename, const char *exe_filename, const char *runtime_version)
464 static MonoDomain *domain = NULL;
465 MonoAssembly *ass = NULL;
466 MonoImageOpenStatus status = MONO_IMAGE_OK;
467 const MonoRuntimeInfo* runtimes [G_N_ELEMENTS (supported_runtimes) + 1] = { NULL };
470 #ifdef DEBUG_DOMAIN_UNLOAD
471 debug_domain_unload = TRUE;
475 g_assert_not_reached ();
477 #if defined(HOST_WIN32) && G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT)
478 /* Avoid system error message boxes. */
479 SetErrorMode (SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
483 mono_w32handle_init ();
484 mono_w32handle_namespace_init ();
487 mono_w32mutex_init ();
488 mono_w32semaphore_init ();
489 mono_w32event_init ();
490 mono_w32process_init ();
491 mono_w32file_init ();
493 #ifndef DISABLE_PERFCOUNTERS
494 mono_perfcounters_init ();
496 mono_counters_init ();
498 mono_counters_register ("Max native code in a domain", MONO_COUNTER_INT|MONO_COUNTER_JIT, &max_domain_code_size);
499 mono_counters_register ("Max code space allocated in a domain", MONO_COUNTER_INT|MONO_COUNTER_JIT, &max_domain_code_alloc);
500 mono_counters_register ("Total code space allocated", MONO_COUNTER_INT|MONO_COUNTER_JIT, &total_domain_code_alloc);
502 mono_counters_register ("Max HashTable Chain Length", MONO_COUNTER_INT|MONO_COUNTER_METADATA, &mono_g_hash_table_max_chain_length);
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 domain = mono_domain_create ();
518 mono_root_domain = domain;
520 SET_APPDOMAIN (domain);
522 /* Get a list of runtimes supported by the exe */
523 if (exe_filename != NULL) {
525 * This function will load the exe file as a MonoImage. We need to close it, but
526 * that would mean it would be reloaded later. So instead, we save it to
527 * exe_image, and close it during shutdown.
529 get_runtimes_from_exe (exe_filename, &exe_image, runtimes);
532 exe_image = mono_assembly_open_from_bundle (exe_filename, NULL, FALSE);
534 exe_image = mono_image_open (exe_filename, NULL);
536 mono_fixup_exe_image (exe_image);
538 } else if (runtime_version != NULL) {
539 runtimes [0] = get_runtime_by_version (runtime_version);
543 if (runtimes [0] == NULL) {
544 const MonoRuntimeInfo *default_runtime = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
545 runtimes [0] = default_runtime;
547 g_print ("WARNING: The runtime version supported by this application is unavailable.\n");
548 g_print ("Using default runtime: %s\n", default_runtime->runtime_version);
551 /* The selected runtime will be the first one for which there is a mscrolib.dll */
552 for (n = 0; runtimes [n] != NULL && ass == NULL; n++) {
553 current_runtime = runtimes [n];
554 ass = mono_assembly_load_corlib (current_runtime, &status);
555 if (status != MONO_IMAGE_OK && status != MONO_IMAGE_ERROR_ERRNO)
560 if ((status != MONO_IMAGE_OK) || (ass == NULL)) {
562 case MONO_IMAGE_ERROR_ERRNO: {
563 char *corlib_file = g_build_filename (mono_assembly_getrootdir (), "mono", current_runtime->framework_version, "mscorlib.dll", NULL);
564 g_print ("The assembly mscorlib.dll was not found or could not be loaded.\n");
565 g_print ("It should have been installed in the `%s' directory.\n", corlib_file);
566 g_free (corlib_file);
569 case MONO_IMAGE_IMAGE_INVALID:
570 g_print ("The file %s/mscorlib.dll is an invalid CIL image\n",
571 mono_assembly_getrootdir ());
573 case MONO_IMAGE_MISSING_ASSEMBLYREF:
574 g_print ("Missing assembly reference in %s/mscorlib.dll\n",
575 mono_assembly_getrootdir ());
578 /* to suppress compiler warning */
584 mono_defaults.corlib = mono_assembly_get_image (ass);
586 mono_defaults.object_class = mono_class_load_from_name (
587 mono_defaults.corlib, "System", "Object");
589 mono_defaults.void_class = mono_class_load_from_name (
590 mono_defaults.corlib, "System", "Void");
592 mono_defaults.boolean_class = mono_class_load_from_name (
593 mono_defaults.corlib, "System", "Boolean");
595 mono_defaults.byte_class = mono_class_load_from_name (
596 mono_defaults.corlib, "System", "Byte");
598 mono_defaults.sbyte_class = mono_class_load_from_name (
599 mono_defaults.corlib, "System", "SByte");
601 mono_defaults.int16_class = mono_class_load_from_name (
602 mono_defaults.corlib, "System", "Int16");
604 mono_defaults.uint16_class = mono_class_load_from_name (
605 mono_defaults.corlib, "System", "UInt16");
607 mono_defaults.int32_class = mono_class_load_from_name (
608 mono_defaults.corlib, "System", "Int32");
610 mono_defaults.uint32_class = mono_class_load_from_name (
611 mono_defaults.corlib, "System", "UInt32");
613 mono_defaults.uint_class = mono_class_load_from_name (
614 mono_defaults.corlib, "System", "UIntPtr");
616 mono_defaults.int_class = mono_class_load_from_name (
617 mono_defaults.corlib, "System", "IntPtr");
619 mono_defaults.int64_class = mono_class_load_from_name (
620 mono_defaults.corlib, "System", "Int64");
622 mono_defaults.uint64_class = mono_class_load_from_name (
623 mono_defaults.corlib, "System", "UInt64");
625 mono_defaults.single_class = mono_class_load_from_name (
626 mono_defaults.corlib, "System", "Single");
628 mono_defaults.double_class = mono_class_load_from_name (
629 mono_defaults.corlib, "System", "Double");
631 mono_defaults.char_class = mono_class_load_from_name (
632 mono_defaults.corlib, "System", "Char");
634 mono_defaults.string_class = mono_class_load_from_name (
635 mono_defaults.corlib, "System", "String");
637 mono_defaults.enum_class = mono_class_load_from_name (
638 mono_defaults.corlib, "System", "Enum");
640 mono_defaults.array_class = mono_class_load_from_name (
641 mono_defaults.corlib, "System", "Array");
643 mono_defaults.delegate_class = mono_class_load_from_name (
644 mono_defaults.corlib, "System", "Delegate");
646 mono_defaults.multicastdelegate_class = mono_class_load_from_name (
647 mono_defaults.corlib, "System", "MulticastDelegate");
649 mono_defaults.asyncresult_class = mono_class_load_from_name (
650 mono_defaults.corlib, "System.Runtime.Remoting.Messaging",
653 mono_defaults.manualresetevent_class = mono_class_load_from_name (
654 mono_defaults.corlib, "System.Threading", "ManualResetEvent");
656 mono_defaults.typehandle_class = mono_class_load_from_name (
657 mono_defaults.corlib, "System", "RuntimeTypeHandle");
659 mono_defaults.methodhandle_class = mono_class_load_from_name (
660 mono_defaults.corlib, "System", "RuntimeMethodHandle");
662 mono_defaults.fieldhandle_class = mono_class_load_from_name (
663 mono_defaults.corlib, "System", "RuntimeFieldHandle");
665 mono_defaults.systemtype_class = mono_class_load_from_name (
666 mono_defaults.corlib, "System", "Type");
668 mono_defaults.runtimetype_class = mono_class_load_from_name (
669 mono_defaults.corlib, "System", "RuntimeType");
671 mono_defaults.exception_class = mono_class_load_from_name (
672 mono_defaults.corlib, "System", "Exception");
674 mono_defaults.threadabortexception_class = mono_class_load_from_name (
675 mono_defaults.corlib, "System.Threading", "ThreadAbortException");
677 mono_defaults.thread_class = mono_class_load_from_name (
678 mono_defaults.corlib, "System.Threading", "Thread");
680 mono_defaults.internal_thread_class = mono_class_load_from_name (
681 mono_defaults.corlib, "System.Threading", "InternalThread");
683 mono_defaults.appdomain_class = mono_class_load_from_name (
684 mono_defaults.corlib, "System", "AppDomain");
686 #ifndef DISABLE_REMOTING
687 mono_defaults.transparent_proxy_class = mono_class_load_from_name (
688 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "TransparentProxy");
690 mono_defaults.real_proxy_class = mono_class_load_from_name (
691 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "RealProxy");
693 mono_defaults.marshalbyrefobject_class = mono_class_load_from_name (
694 mono_defaults.corlib, "System", "MarshalByRefObject");
696 mono_defaults.iremotingtypeinfo_class = mono_class_load_from_name (
697 mono_defaults.corlib, "System.Runtime.Remoting", "IRemotingTypeInfo");
701 mono_defaults.mono_method_message_class = mono_class_load_from_name (
702 mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "MonoMethodMessage");
704 mono_defaults.field_info_class = mono_class_load_from_name (
705 mono_defaults.corlib, "System.Reflection", "FieldInfo");
707 mono_defaults.method_info_class = mono_class_load_from_name (
708 mono_defaults.corlib, "System.Reflection", "MethodInfo");
710 mono_defaults.stringbuilder_class = mono_class_load_from_name (
711 mono_defaults.corlib, "System.Text", "StringBuilder");
713 mono_defaults.math_class = mono_class_load_from_name (
714 mono_defaults.corlib, "System", "Math");
716 mono_defaults.stack_frame_class = mono_class_load_from_name (
717 mono_defaults.corlib, "System.Diagnostics", "StackFrame");
719 mono_defaults.stack_trace_class = mono_class_load_from_name (
720 mono_defaults.corlib, "System.Diagnostics", "StackTrace");
722 mono_defaults.marshal_class = mono_class_load_from_name (
723 mono_defaults.corlib, "System.Runtime.InteropServices", "Marshal");
725 mono_defaults.typed_reference_class = mono_class_load_from_name (
726 mono_defaults.corlib, "System", "TypedReference");
728 mono_defaults.argumenthandle_class = mono_class_load_from_name (
729 mono_defaults.corlib, "System", "RuntimeArgumentHandle");
731 mono_defaults.monitor_class = mono_class_load_from_name (
732 mono_defaults.corlib, "System.Threading", "Monitor");
734 Not using GENERATE_TRY_GET_CLASS_WITH_CACHE_DECL as this type is heavily checked by sgen when computing finalization.
736 mono_defaults.critical_finalizer_object = mono_class_try_load_from_name (mono_defaults.corlib,
737 "System.Runtime.ConstrainedExecution", "CriticalFinalizerObject");
739 mono_assembly_load_friends (ass);
741 mono_defaults.handleref_class = mono_class_try_load_from_name (
742 mono_defaults.corlib, "System.Runtime.InteropServices", "HandleRef");
744 mono_defaults.attribute_class = mono_class_load_from_name (
745 mono_defaults.corlib, "System", "Attribute");
747 mono_defaults.customattribute_data_class = mono_class_load_from_name (
748 mono_defaults.corlib, "System.Reflection", "CustomAttributeData");
750 mono_class_init (mono_defaults.array_class);
751 mono_defaults.generic_nullable_class = mono_class_load_from_name (
752 mono_defaults.corlib, "System", "Nullable`1");
753 mono_defaults.generic_ilist_class = mono_class_load_from_name (
754 mono_defaults.corlib, "System.Collections.Generic", "IList`1");
755 mono_defaults.generic_ireadonlylist_class = mono_class_load_from_name (
756 mono_defaults.corlib, "System.Collections.Generic", "IReadOnlyList`1");
758 mono_defaults.threadpool_wait_callback_class = mono_class_load_from_name (
759 mono_defaults.corlib, "System.Threading", "_ThreadPoolWaitCallback");
761 mono_defaults.threadpool_perform_wait_callback_method = mono_class_get_method_from_name (
762 mono_defaults.threadpool_wait_callback_class, "PerformWaitCallback", 0);
764 domain->friendly_name = g_path_get_basename (filename);
766 mono_profiler_appdomain_name (domain, domain->friendly_name);
774 * Creates the initial application domain and initializes the mono_defaults
777 * This function is guaranteed to not run any IL code.
778 * The runtime is initialized using the default runtime version.
780 * Returns: the initial domain.
783 mono_init (const char *domain_name)
785 return mono_init_internal (domain_name, NULL, DEFAULT_RUNTIME_VERSION);
789 * mono_init_from_assembly:
790 * @domain_name: name to give to the initial domain
791 * @filename: filename to load on startup
793 * Used by the runtime, users should use mono_jit_init instead.
795 * Creates the initial application domain and initializes the mono_defaults
797 * This function is guaranteed to not run any IL code.
798 * The runtime is initialized using the runtime version required by the
799 * provided executable. The version is determined by looking at the exe
800 * configuration file and the version PE field)
802 * Returns: the initial domain.
805 mono_init_from_assembly (const char *domain_name, const char *filename)
807 return mono_init_internal (domain_name, filename, NULL);
813 * Used by the runtime, users should use mono_jit_init instead.
815 * Creates the initial application domain and initializes the mono_defaults
818 * This function is guaranteed to not run any IL code.
819 * The runtime is initialized using the provided rutime version.
821 * Returns: the initial domain.
824 mono_init_version (const char *domain_name, const char *version)
826 return mono_init_internal (domain_name, NULL, version);
832 * Cleans up all metadata modules.
837 mono_close_exe_image ();
839 mono_defaults.corlib = NULL;
841 mono_config_cleanup ();
842 mono_loader_cleanup ();
843 mono_classes_cleanup ();
844 mono_assemblies_cleanup ();
845 mono_debug_cleanup ();
846 mono_images_cleanup ();
847 mono_metadata_cleanup ();
849 mono_coop_mutex_destroy (&appdomains_mutex);
851 mono_w32process_cleanup ();
852 mono_w32file_cleanup ();
856 mono_close_exe_image (void)
859 mono_image_close (exe_image);
863 * mono_get_root_domain:
865 * The root AppDomain is the initial domain created by the runtime when it is
866 * initialized. Programs execute on this AppDomain, but can create new ones
867 * later. Currently there is no unmanaged API to create new AppDomains, this
868 * must be done from managed code.
870 * Returns: the root appdomain, to obtain the current domain, use mono_domain_get ()
873 mono_get_root_domain (void)
875 return mono_root_domain;
881 * This method returns the value of the current MonoDomain that this thread
882 * and code are running under. To obtain the root domain use
883 * mono_get_root_domain() API.
885 * Returns: the current domain
890 return GET_APPDOMAIN ();
894 mono_domain_unset (void)
896 SET_APPDOMAIN (NULL);
900 mono_domain_set_internal_with_options (MonoDomain *domain, gboolean migrate_exception)
902 MonoInternalThread *thread;
904 if (mono_domain_get () == domain)
907 SET_APPDOMAIN (domain);
908 SET_APPCONTEXT (domain->default_context);
910 if (migrate_exception) {
911 thread = mono_thread_internal_current ();
912 if (!thread->abort_exc)
915 g_assert (thread->abort_exc->object.vtable->domain != domain);
916 MONO_OBJECT_SETREF (thread, abort_exc, mono_get_exception_thread_abort ());
917 g_assert (thread->abort_exc->object.vtable->domain == domain);
922 * mono_domain_set_internal:
923 * @domain: the new domain
925 * Sets the current domain to @domain.
928 mono_domain_set_internal (MonoDomain *domain)
930 mono_domain_set_internal_with_options (domain, TRUE);
934 * mono_domain_foreach:
935 * @func: function to invoke with the domain data
936 * @user_data: user-defined pointer that is passed to the supplied @func fo reach domain
938 * Use this method to safely iterate over all the loaded application
939 * domains in the current runtime. The provided @func is invoked with a
940 * pointer to the MonoDomain and is given the value of the @user_data
941 * parameter which can be used to pass state to your called routine.
944 mono_domain_foreach (MonoDomainFunc func, gpointer user_data)
950 * Create a copy of the data to avoid calling the user callback
951 * inside the lock because that could lead to deadlocks.
952 * We can do this because this function is not perf. critical.
954 mono_appdomains_lock ();
955 size = appdomain_list_size;
956 copy = (MonoDomain **)mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "temporary domains list");
957 memcpy (copy, appdomains_list, appdomain_list_size * sizeof (void*));
958 mono_appdomains_unlock ();
960 for (i = 0; i < size; ++i) {
962 func (copy [i], user_data);
965 mono_gc_free_fixed (copy);
969 * mono_domain_assembly_open:
970 * @domain: the application domain
971 * @name: file name of the assembly
973 * fixme: maybe we should integrate this with mono_assembly_open ??
976 mono_domain_assembly_open (MonoDomain *domain, const char *name)
982 mono_domain_assemblies_lock (domain);
983 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
984 ass = (MonoAssembly *)tmp->data;
985 if (strcmp (name, ass->aname.name) == 0) {
986 mono_domain_assemblies_unlock (domain);
990 mono_domain_assemblies_unlock (domain);
992 if (domain != mono_domain_get ()) {
993 current = mono_domain_get ();
995 mono_domain_set (domain, FALSE);
996 ass = mono_assembly_open_predicate (name, FALSE, FALSE, NULL, NULL, NULL);
997 mono_domain_set (current, FALSE);
999 ass = mono_assembly_open_predicate (name, FALSE, FALSE, NULL, NULL, NULL);
1006 unregister_vtable_reflection_type (MonoVTable *vtable)
1008 MonoObject *type = (MonoObject *)vtable->type;
1010 if (type->vtable->klass != mono_defaults.runtimetype_class)
1011 MONO_GC_UNREGISTER_ROOT_IF_MOVING (vtable->type);
1016 * @domain: the domain to release
1017 * @force: if true, it allows the root domain to be released (used at shutdown only).
1019 * This releases the resources associated with the specific domain.
1020 * This is a low-level function that is invoked by the AppDomain infrastructure
1024 mono_domain_free (MonoDomain *domain, gboolean force)
1026 int code_size, code_alloc;
1030 if ((domain == mono_root_domain) && !force) {
1031 g_warning ("cant unload root domain");
1035 if (mono_dont_free_domains)
1038 mono_profiler_appdomain_event (domain, MONO_PROFILE_START_UNLOAD);
1040 mono_debug_domain_unload (domain);
1042 mono_appdomains_lock ();
1043 appdomains_list [domain->domain_id] = NULL;
1044 mono_appdomains_unlock ();
1046 /* must do this early as it accesses fields and types */
1047 if (domain->special_static_fields) {
1048 mono_alloc_special_static_data_free (domain->special_static_fields);
1049 g_hash_table_destroy (domain->special_static_fields);
1050 domain->special_static_fields = NULL;
1054 * We must destroy all these hash tables here because they
1055 * contain references to managed objects belonging to the
1056 * domain. Once we let the GC clear the domain there must be
1057 * no more such references, or we'll crash if a collection
1060 mono_g_hash_table_destroy (domain->ldstr_table);
1061 domain->ldstr_table = NULL;
1063 mono_g_hash_table_destroy (domain->env);
1066 mono_reflection_cleanup_domain (domain);
1068 /* This must be done before type_hash is freed */
1069 if (domain->class_vtable_array) {
1071 for (i = 0; i < domain->class_vtable_array->len; ++i)
1072 unregister_vtable_reflection_type ((MonoVTable *)g_ptr_array_index (domain->class_vtable_array, i));
1075 if (domain->type_hash) {
1076 mono_g_hash_table_destroy (domain->type_hash);
1077 domain->type_hash = NULL;
1079 if (domain->type_init_exception_hash) {
1080 mono_g_hash_table_destroy (domain->type_init_exception_hash);
1081 domain->type_init_exception_hash = NULL;
1084 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1085 MonoAssembly *ass = (MonoAssembly *)tmp->data;
1086 mono_assembly_release_gc_roots (ass);
1089 /* Have to zero out reference fields since they will be invalidated by the clear_domain () call below */
1090 for (p = (gpointer*)&domain->MONO_DOMAIN_FIRST_OBJECT; p < (gpointer*)&domain->MONO_DOMAIN_FIRST_GC_TRACKED; ++p)
1093 /* This needs to be done before closing assemblies */
1094 mono_gc_clear_domain (domain);
1096 /* Close dynamic assemblies first, since they have no ref count */
1097 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1098 MonoAssembly *ass = (MonoAssembly *)tmp->data;
1099 if (!ass->image || !image_is_dynamic (ass->image))
1101 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);
1102 if (!mono_assembly_close_except_image_pools (ass))
1106 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1107 MonoAssembly *ass = (MonoAssembly *)tmp->data;
1110 if (!ass->image || image_is_dynamic (ass->image))
1112 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);
1113 if (!mono_assembly_close_except_image_pools (ass))
1117 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1118 MonoAssembly *ass = (MonoAssembly *)tmp->data;
1120 mono_assembly_close_finish (ass);
1122 g_slist_free (domain->domain_assemblies);
1123 domain->domain_assemblies = NULL;
1126 * Send this after the assemblies have been unloaded and the domain is still in a
1129 mono_profiler_appdomain_event (domain, MONO_PROFILE_END_UNLOAD);
1131 if (free_domain_hook)
1132 free_domain_hook (domain);
1134 /* FIXME: free delegate_hash_table when it's used */
1135 if (domain->search_path) {
1136 g_strfreev (domain->search_path);
1137 domain->search_path = NULL;
1139 domain->create_proxy_for_type_method = NULL;
1140 domain->private_invoke_method = NULL;
1141 domain->default_context = NULL;
1142 domain->out_of_memory_ex = NULL;
1143 domain->null_reference_ex = NULL;
1144 domain->stack_overflow_ex = NULL;
1145 domain->ephemeron_tombstone = NULL;
1146 domain->entry_assembly = NULL;
1148 g_free (domain->friendly_name);
1149 domain->friendly_name = NULL;
1150 g_ptr_array_free (domain->class_vtable_array, TRUE);
1151 domain->class_vtable_array = NULL;
1152 g_hash_table_destroy (domain->proxy_vtable_hash);
1153 domain->proxy_vtable_hash = NULL;
1154 if (domain->static_data_array) {
1155 mono_gc_free_fixed (domain->static_data_array);
1156 domain->static_data_array = NULL;
1158 mono_internal_hash_table_destroy (&domain->jit_code_hash);
1161 * There might still be jit info tables of this domain which
1162 * are not freed. Since the domain cannot be in use anymore,
1163 * this will free them.
1165 mono_thread_hazardous_try_free_all ();
1166 if (domain->aot_modules)
1167 mono_jit_info_table_free (domain->aot_modules);
1168 g_assert (domain->num_jit_info_tables == 1);
1169 mono_jit_info_table_free (domain->jit_info_table);
1170 domain->jit_info_table = NULL;
1171 g_assert (!domain->jit_info_free_queue);
1173 /* collect statistics */
1174 code_alloc = mono_code_manager_size (domain->code_mp, &code_size);
1175 total_domain_code_alloc += code_alloc;
1176 max_domain_code_alloc = MAX (max_domain_code_alloc, code_alloc);
1177 max_domain_code_size = MAX (max_domain_code_size, code_size);
1179 if (debug_domain_unload) {
1180 mono_mempool_invalidate (domain->mp);
1181 mono_code_manager_invalidate (domain->code_mp);
1183 #ifndef DISABLE_PERFCOUNTERS
1184 mono_perfcounters->loader_bytes -= mono_mempool_get_allocated (domain->mp);
1186 mono_mempool_destroy (domain->mp);
1188 mono_code_manager_destroy (domain->code_mp);
1189 domain->code_mp = NULL;
1191 lock_free_mempool_free (domain->lock_free_mp);
1192 domain->lock_free_mp = NULL;
1194 g_hash_table_destroy (domain->finalizable_objects_hash);
1195 domain->finalizable_objects_hash = NULL;
1196 if (domain->method_rgctx_hash) {
1197 g_hash_table_destroy (domain->method_rgctx_hash);
1198 domain->method_rgctx_hash = NULL;
1200 if (domain->generic_virtual_cases) {
1201 g_hash_table_destroy (domain->generic_virtual_cases);
1202 domain->generic_virtual_cases = NULL;
1204 if (domain->ftnptrs_hash) {
1205 g_hash_table_destroy (domain->ftnptrs_hash);
1206 domain->ftnptrs_hash = NULL;
1208 if (domain->method_to_dyn_method) {
1209 g_hash_table_destroy (domain->method_to_dyn_method);
1210 domain->method_to_dyn_method = NULL;
1213 mono_os_mutex_destroy (&domain->finalizable_objects_hash_lock);
1214 mono_os_mutex_destroy (&domain->assemblies_lock);
1215 mono_os_mutex_destroy (&domain->jit_code_hash_lock);
1217 mono_coop_mutex_destroy (&domain->lock);
1219 domain->setup = NULL;
1221 mono_gc_deregister_root ((char*)&(domain->MONO_DOMAIN_FIRST_GC_TRACKED));
1223 /* FIXME: anything else required ? */
1225 mono_gc_free_fixed (domain);
1227 #ifndef DISABLE_PERFCOUNTERS
1228 mono_perfcounters->loader_appdomains--;
1231 if (domain == mono_root_domain)
1232 mono_root_domain = NULL;
1236 * mono_domain_get_by_id:
1239 * Returns: the domain for a specific domain id.
1242 mono_domain_get_by_id (gint32 domainid)
1244 MonoDomain * domain;
1246 mono_appdomains_lock ();
1247 if (domainid < appdomain_list_size)
1248 domain = appdomains_list [domainid];
1251 mono_appdomains_unlock ();
1257 * mono_domain_get_id:
1259 * A domain ID is guaranteed to be unique for as long as the domain
1260 * using it is alive. It may be reused later once the domain has been
1263 * Returns: The unique ID for @domain.
1266 mono_domain_get_id (MonoDomain *domain)
1268 return domain->domain_id;
1272 * mono_domain_get_friendly_name:
1274 * The returned string's lifetime is the same as @domain's. Consider
1275 * copying it if you need to store it somewhere.
1277 * Returns: The friendly name of @domain. Can be NULL if not yet set.
1280 mono_domain_get_friendly_name (MonoDomain *domain)
1282 return domain->friendly_name;
1286 * mono_domain_alloc:
1288 * LOCKING: Acquires the domain lock.
1291 mono_domain_alloc (MonoDomain *domain, guint size)
1295 mono_domain_lock (domain);
1296 #ifndef DISABLE_PERFCOUNTERS
1297 mono_perfcounters->loader_bytes += size;
1299 res = mono_mempool_alloc (domain->mp, size);
1300 mono_domain_unlock (domain);
1306 * mono_domain_alloc0:
1308 * LOCKING: Acquires the domain lock.
1311 mono_domain_alloc0 (MonoDomain *domain, guint size)
1315 mono_domain_lock (domain);
1316 #ifndef DISABLE_PERFCOUNTERS
1317 mono_perfcounters->loader_bytes += size;
1319 res = mono_mempool_alloc0 (domain->mp, size);
1320 mono_domain_unlock (domain);
1326 mono_domain_alloc0_lock_free (MonoDomain *domain, guint size)
1328 return lock_free_mempool_alloc0 (domain->lock_free_mp, size);
1332 * mono_domain_code_reserve:
1334 * LOCKING: Acquires the domain lock.
1337 mono_domain_code_reserve (MonoDomain *domain, int size)
1341 mono_domain_lock (domain);
1342 res = mono_code_manager_reserve (domain->code_mp, size);
1343 mono_domain_unlock (domain);
1349 * mono_domain_code_reserve_align:
1351 * LOCKING: Acquires the domain lock.
1354 mono_domain_code_reserve_align (MonoDomain *domain, int size, int alignment)
1358 mono_domain_lock (domain);
1359 res = mono_code_manager_reserve_align (domain->code_mp, size, alignment);
1360 mono_domain_unlock (domain);
1366 * mono_domain_code_commit:
1368 * LOCKING: Acquires the domain lock.
1371 mono_domain_code_commit (MonoDomain *domain, void *data, int size, int newsize)
1373 mono_domain_lock (domain);
1374 mono_code_manager_commit (domain->code_mp, data, size, newsize);
1375 mono_domain_unlock (domain);
1379 * mono_domain_code_foreach:
1380 * Iterate over the code thunks of the code manager of @domain.
1382 * The @func callback MUST not take any locks. If it really needs to, it must respect
1383 * the locking rules of the runtime: http://www.mono-project.com/Mono:Runtime:Documentation:ThreadSafety
1384 * LOCKING: Acquires the domain lock.
1388 mono_domain_code_foreach (MonoDomain *domain, MonoCodeManagerFunc func, void *user_data)
1390 mono_domain_lock (domain);
1391 mono_code_manager_foreach (domain->code_mp, func, user_data);
1392 mono_domain_unlock (domain);
1397 mono_context_set (MonoAppContext * new_context)
1399 SET_APPCONTEXT (new_context);
1405 * Returns: the current Mono Application Context.
1408 mono_context_get (void)
1410 return GET_APPCONTEXT ();
1414 * mono_context_get_id:
1415 * @context: the context to operate on.
1417 * Context IDs are guaranteed to be unique for the duration of a Mono
1418 * process; they are never reused.
1420 * Returns: The unique ID for @context.
1423 mono_context_get_id (MonoAppContext *context)
1425 return context->context_id;
1429 * mono_context_get_domain_id:
1430 * @context: the context to operate on.
1432 * Returns: The ID of the domain that @context was created in.
1435 mono_context_get_domain_id (MonoAppContext *context)
1437 return context->domain_id;
1440 /* LOCKING: the caller holds the lock for this domain */
1442 mono_domain_add_class_static_data (MonoDomain *domain, MonoClass *klass, gpointer data, guint32 *bitmap)
1444 /* Note [Domain Static Data Array]:
1446 * Entry 0 in the array is the index of the next free slot.
1447 * Entry 1 is the total size of the array.
1450 if (domain->static_data_array) {
1451 int size = GPOINTER_TO_INT (domain->static_data_array [1]);
1452 next = GPOINTER_TO_INT (domain->static_data_array [0]);
1454 /* 'data' is allocated by alloc_fixed */
1455 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");
1456 mono_gc_memmove_aligned (new_array, domain->static_data_array, sizeof (gpointer) * size);
1458 new_array [1] = GINT_TO_POINTER (size);
1459 mono_gc_free_fixed (domain->static_data_array);
1460 domain->static_data_array = new_array;
1464 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");
1466 new_array [0] = GINT_TO_POINTER (next);
1467 new_array [1] = GINT_TO_POINTER (size);
1468 domain->static_data_array = new_array;
1470 domain->static_data_array [next++] = data;
1471 domain->static_data_array [0] = GINT_TO_POINTER (next);
1477 * Use this function to get the `MonoImage*` for the mscorlib.dll assembly
1479 * Returns: The MonoImage for mscorlib.dll
1482 mono_get_corlib (void)
1484 return mono_defaults.corlib;
1488 * mono_get_object_class:
1490 * Use this function to get the `MonoClass*` that the runtime is using for `System.Object`.
1492 * Returns: The `MonoClass*` for the `System.Object` type.
1495 mono_get_object_class (void)
1497 return mono_defaults.object_class;
1501 * mono_get_byte_class:
1503 * Use this function to get the `MonoClass*` that the runtime is using for `System.Byte`.
1505 * Returns: The `MonoClass*` for the `System.Byte` type.
1508 mono_get_byte_class (void)
1510 return mono_defaults.byte_class;
1514 * mono_get_void_class:
1516 * Use this function to get the `MonoClass*` that the runtime is using for `System.Void`.
1518 * Returns: The `MonoClass*` for the `System.Void` type.
1521 mono_get_void_class (void)
1523 return mono_defaults.void_class;
1527 * mono_get_boolean_class:
1529 * Use this function to get the `MonoClass*` that the runtime is using for `System.Boolean`.
1531 * Returns: The `MonoClass*` for the `System.Boolean` type.
1534 mono_get_boolean_class (void)
1536 return mono_defaults.boolean_class;
1540 * mono_get_sbyte_class:
1542 * Use this function to get the `MonoClass*` that the runtime is using for `System.SByte`.
1544 * Returns: The `MonoClass*` for the `System.SByte` type.
1547 mono_get_sbyte_class (void)
1549 return mono_defaults.sbyte_class;
1553 * mono_get_int16_class:
1555 * Use this function to get the `MonoClass*` that the runtime is using for `System.Int16`.
1557 * Returns: The `MonoClass*` for the `System.Int16` type.
1560 mono_get_int16_class (void)
1562 return mono_defaults.int16_class;
1566 * mono_get_uint16_class:
1568 * Use this function to get the `MonoClass*` that the runtime is using for `System.UInt16`.
1570 * Returns: The `MonoClass*` for the `System.UInt16` type.
1573 mono_get_uint16_class (void)
1575 return mono_defaults.uint16_class;
1579 * mono_get_int32_class:
1581 * Use this function to get the `MonoClass*` that the runtime is using for `System.Int32`.
1583 * Returns: The `MonoClass*` for the `System.Int32` type.
1586 mono_get_int32_class (void)
1588 return mono_defaults.int32_class;
1592 * mono_get_uint32_class:
1594 * Use this function to get the `MonoClass*` that the runtime is using for `System.UInt32`.
1596 * Returns: The `MonoClass*` for the `System.UInt32` type.
1599 mono_get_uint32_class (void)
1601 return mono_defaults.uint32_class;
1605 * mono_get_intptr_class:
1607 * Use this function to get the `MonoClass*` that the runtime is using for `System.IntPtr`.
1609 * Returns: The `MonoClass*` for the `System.IntPtr` type.
1612 mono_get_intptr_class (void)
1614 return mono_defaults.int_class;
1618 * mono_get_uintptr_class:
1620 * Use this function to get the `MonoClass*` that the runtime is using for `System.UIntPtr`.
1622 * Returns: The `MonoClass*` for the `System.UIntPtr` type.
1625 mono_get_uintptr_class (void)
1627 return mono_defaults.uint_class;
1631 * mono_get_int64_class:
1633 * Use this function to get the `MonoClass*` that the runtime is using for `System.Int64`.
1635 * Returns: The `MonoClass*` for the `System.Int64` type.
1638 mono_get_int64_class (void)
1640 return mono_defaults.int64_class;
1644 * mono_get_uint64_class:
1646 * Use this function to get the `MonoClass*` that the runtime is using for `System.UInt64`.
1648 * Returns: The `MonoClass*` for the `System.UInt64` type.
1651 mono_get_uint64_class (void)
1653 return mono_defaults.uint64_class;
1657 * mono_get_single_class:
1659 * Use this function to get the `MonoClass*` that the runtime is using for `System.Single` (32-bit floating points).
1661 * Returns: The `MonoClass*` for the `System.Single` type.
1664 mono_get_single_class (void)
1666 return mono_defaults.single_class;
1670 * mono_get_double_class:
1672 * Use this function to get the `MonoClass*` that the runtime is using for `System.Double` (64-bit floating points).
1674 * Returns: The `MonoClass*` for the `System.Double` type.
1677 mono_get_double_class (void)
1679 return mono_defaults.double_class;
1683 * mono_get_char_class:
1685 * Use this function to get the `MonoClass*` that the runtime is using for `System.Char`.
1687 * Returns: The `MonoClass*` for the `System.Char` type.
1690 mono_get_char_class (void)
1692 return mono_defaults.char_class;
1696 * mono_get_string_class:
1698 * Use this function to get the `MonoClass*` that the runtime is using for `System.String`.
1700 * Returns: The `MonoClass*` for the `System.String` type.
1703 mono_get_string_class (void)
1705 return mono_defaults.string_class;
1709 * mono_get_enum_class:
1711 * Use this function to get the `MonoClass*` that the runtime is using for `System.Enum`.
1713 * Returns: The `MonoClass*` for the `System.Enum` type.
1716 mono_get_enum_class (void)
1718 return mono_defaults.enum_class;
1722 * mono_get_array_class:
1724 * Use this function to get the `MonoClass*` that the runtime is using for `System.Array`.
1726 * Returns: The `MonoClass*` for the `System.Array` type.
1729 mono_get_array_class (void)
1731 return mono_defaults.array_class;
1735 * mono_get_thread_class:
1737 * Use this function to get the `MonoClass*` that the runtime is using for `System.Threading.Thread`.
1739 * Returns: The `MonoClass*` for the `System.Threading.Thread` type.
1742 mono_get_thread_class (void)
1744 return mono_defaults.thread_class;
1748 * mono_get_exception_class:
1750 * Use this function to get the `MonoClass*` that the runtime is using for `System.Exception`.
1752 * Returns: The `MonoClass*` for the `` type.
1755 mono_get_exception_class (void)
1757 return mono_defaults.exception_class;
1761 static char* get_attribute_value (const gchar **attribute_names,
1762 const gchar **attribute_values,
1763 const char *att_name)
1766 for (n=0; attribute_names[n] != NULL; n++) {
1767 if (strcmp (attribute_names[n], att_name) == 0)
1768 return g_strdup (attribute_values[n]);
1773 static void start_element (GMarkupParseContext *context,
1774 const gchar *element_name,
1775 const gchar **attribute_names,
1776 const gchar **attribute_values,
1780 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
1782 if (strcmp (element_name, "configuration") == 0) {
1783 app_config->configuration_count++;
1786 if (strcmp (element_name, "startup") == 0) {
1787 app_config->startup_count++;
1791 if (app_config->configuration_count != 1 || app_config->startup_count != 1)
1794 if (strcmp (element_name, "requiredRuntime") == 0) {
1795 app_config->required_runtime = get_attribute_value (attribute_names, attribute_values, "version");
1796 } else if (strcmp (element_name, "supportedRuntime") == 0) {
1797 char *version = get_attribute_value (attribute_names, attribute_values, "version");
1798 app_config->supported_runtimes = g_slist_append (app_config->supported_runtimes, version);
1802 static void end_element (GMarkupParseContext *context,
1803 const gchar *element_name,
1807 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
1809 if (strcmp (element_name, "configuration") == 0) {
1810 app_config->configuration_count--;
1811 } else if (strcmp (element_name, "startup") == 0) {
1812 app_config->startup_count--;
1816 static const GMarkupParser
1825 static AppConfigInfo *
1826 app_config_parse (const char *exe_filename)
1828 AppConfigInfo *app_config;
1829 GMarkupParseContext *context;
1832 const char *bundled_config;
1833 char *config_filename;
1835 bundled_config = mono_config_string_for_assembly_file (exe_filename);
1837 if (bundled_config) {
1838 text = g_strdup (bundled_config);
1839 len = strlen (text);
1841 config_filename = g_strconcat (exe_filename, ".config", NULL);
1843 if (!g_file_get_contents (config_filename, &text, &len, NULL)) {
1844 g_free (config_filename);
1847 g_free (config_filename);
1850 app_config = g_new0 (AppConfigInfo, 1);
1852 context = g_markup_parse_context_new (&mono_parser, (GMarkupParseFlags)0, app_config, NULL);
1853 if (g_markup_parse_context_parse (context, text, len, NULL)) {
1854 g_markup_parse_context_end_parse (context, NULL);
1856 g_markup_parse_context_free (context);
1862 app_config_free (AppConfigInfo* app_config)
1865 GSList *list = app_config->supported_runtimes;
1866 while (list != NULL) {
1867 rt = (char*)list->data;
1869 list = g_slist_next (list);
1871 g_slist_free (app_config->supported_runtimes);
1872 g_free (app_config->required_runtime);
1873 g_free (app_config);
1877 static const MonoRuntimeInfo*
1878 get_runtime_by_version (const char *version)
1881 int max = G_N_ELEMENTS (supported_runtimes);
1887 for (n=0; n<max; n++) {
1888 if (strcmp (version, supported_runtimes[n].runtime_version) == 0)
1889 return &supported_runtimes[n];
1892 vlen = strlen (version);
1893 if (vlen >= 4 && version [1] - '0' >= 4) {
1894 for (n=0; n<max; n++) {
1895 if (strncmp (version, supported_runtimes[n].runtime_version, 4) == 0)
1896 return &supported_runtimes[n];
1904 get_runtimes_from_exe (const char *exe_file, MonoImage **exe_image, const MonoRuntimeInfo** runtimes)
1906 AppConfigInfo* app_config;
1908 const MonoRuntimeInfo* runtime = NULL;
1909 MonoImage *image = NULL;
1911 app_config = app_config_parse (exe_file);
1913 if (app_config != NULL) {
1914 /* Check supportedRuntime elements, if none is supported, fail.
1915 * If there are no such elements, look for a requiredRuntime element.
1917 if (app_config->supported_runtimes != NULL) {
1919 GSList *list = app_config->supported_runtimes;
1920 while (list != NULL) {
1921 version = (char*) list->data;
1922 runtime = get_runtime_by_version (version);
1923 if (runtime != NULL)
1924 runtimes [n++] = runtime;
1925 list = g_slist_next (list);
1927 runtimes [n] = NULL;
1928 app_config_free (app_config);
1932 /* Check the requiredRuntime element. This is for 1.0 apps only. */
1933 if (app_config->required_runtime != NULL) {
1934 runtimes [0] = get_runtime_by_version (app_config->required_runtime);
1935 runtimes [1] = NULL;
1936 app_config_free (app_config);
1939 app_config_free (app_config);
1942 /* Look for a runtime with the exact version */
1943 image = mono_assembly_open_from_bundle (exe_file, NULL, FALSE);
1946 image = mono_image_open (exe_file, NULL);
1948 if (image == NULL) {
1949 /* The image is wrong or the file was not found. In this case return
1950 * a default runtime and leave to the initialization method the work of
1951 * reporting the error.
1953 runtimes [0] = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
1954 runtimes [1] = NULL;
1960 runtimes [0] = get_runtime_by_version (image->version);
1961 runtimes [1] = NULL;
1966 * mono_get_runtime_info:
1968 * Returns: the version of the current runtime instance.
1970 const MonoRuntimeInfo*
1971 mono_get_runtime_info (void)
1973 return current_runtime;
1977 * mono_framework_version:
1979 * Return the major version of the framework curently executing.
1982 mono_framework_version (void)
1984 return current_runtime->framework_version [0] - '0';
1988 mono_enable_debug_domain_unload (gboolean enable)
1990 debug_domain_unload = enable;
1993 MonoAotCacheConfig *
1994 mono_get_aot_cache_config (void)
1996 return &aot_cache_config;
2000 mono_domain_lock (MonoDomain *domain)
2002 mono_locks_coop_acquire (&domain->lock, DomainLock);
2006 mono_domain_unlock (MonoDomain *domain)
2008 mono_locks_coop_release (&domain->lock, DomainLock);
2012 mono_domain_get_assemblies (MonoDomain *domain, gboolean refonly)
2015 GPtrArray *assemblies;
2018 assemblies = g_ptr_array_new ();
2019 mono_domain_assemblies_lock (domain);
2020 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
2021 ass = (MonoAssembly *)tmp->data;
2022 if (refonly != ass->ref_only)
2024 if (ass->corlib_internal)
2026 g_ptr_array_add (assemblies, ass);
2028 mono_domain_assemblies_unlock (domain);