2 * domain.c: MonoDomain functions
5 * Dietmar Maurer (dietmar@ximian.com)
8 * Copyright 2001-2003 Ximian, Inc (http://www.ximian.com)
9 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
10 * Copyright 2011-2012 Xamarin, Inc (http://www.xamarin.com)
11 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
19 #include <mono/metadata/gc-internals.h>
21 #include <mono/utils/atomic.h>
22 #include <mono/utils/mono-compiler.h>
23 #include <mono/utils/mono-logger-internals.h>
24 #include <mono/utils/mono-membar.h>
25 #include <mono/utils/mono-counters.h>
26 #include <mono/utils/hazard-pointer.h>
27 #include <mono/utils/mono-tls.h>
28 #include <mono/utils/mono-mmap.h>
29 #include <mono/utils/mono-threads.h>
30 #include <mono/metadata/object.h>
31 #include <mono/metadata/object-internals.h>
32 #include <mono/metadata/domain-internals.h>
33 #include <mono/metadata/class-internals.h>
34 #include <mono/metadata/assembly.h>
35 #include <mono/metadata/exception.h>
36 #include <mono/metadata/metadata-internals.h>
37 #include <mono/metadata/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 <mono/metadata/w32mutex.h>
43 #include <mono/metadata/w32semaphore.h>
44 #include <mono/metadata/w32event.h>
45 #include <mono/metadata/w32process.h>
46 #include <mono/metadata/w32file.h>
47 #include <metadata/threads.h>
48 #include <metadata/profiler-private.h>
49 #include <mono/metadata/coree.h>
51 //#define DEBUG_DOMAIN_UNLOAD 1
53 #define GET_APPDOMAIN() ((MonoDomain*)mono_tls_get_domain ())
54 #define SET_APPDOMAIN(x) do { \
55 MonoThreadInfo *info; \
56 mono_tls_set_domain (x); \
57 info = mono_thread_info_current (); \
59 mono_thread_info_tls_set (info, TLS_KEY_DOMAIN, (x)); \
62 #define GET_APPCONTEXT() (mono_thread_internal_current ()->current_appcontext)
63 #define SET_APPCONTEXT(x) MONO_OBJECT_SETREF (mono_thread_internal_current (), current_appcontext, (x))
65 static guint16 appdomain_list_size = 0;
66 static guint16 appdomain_next = 0;
67 static MonoDomain **appdomains_list = NULL;
68 static MonoImage *exe_image;
69 static gboolean debug_domain_unload;
71 gboolean mono_dont_free_domains;
73 #define mono_appdomains_lock() mono_coop_mutex_lock (&appdomains_mutex)
74 #define mono_appdomains_unlock() mono_coop_mutex_unlock (&appdomains_mutex)
75 static MonoCoopMutex appdomains_mutex;
77 static MonoDomain *mono_root_domain = NULL;
80 static int max_domain_code_size = 0;
81 static int max_domain_code_alloc = 0;
82 static int total_domain_code_alloc = 0;
84 /* AppConfigInfo: Information about runtime versions supported by an
88 GSList *supported_runtimes;
89 char *required_runtime;
90 int configuration_count;
94 static const MonoRuntimeInfo *current_runtime = NULL;
96 /* This is the list of runtime versions supported by this JIT.
98 static const MonoRuntimeInfo supported_runtimes[] = {
99 {"v4.0.30319","4.5", { {4,0,0,0}, {10,0,0,0}, {4,0,0,0}, {4,0,0,0} } },
100 {"mobile", "2.1", { {2,0,5,0}, {10,0,0,0}, {2,0,5,0}, {2,0,5,0} } },
101 {"moonlight", "2.1", { {2,0,5,0}, { 9,0,0,0}, {3,5,0,0}, {3,0,0,0} } },
105 /* The stable runtime version */
106 #define DEFAULT_RUNTIME_VERSION "v4.0.30319"
108 /* Callbacks installed by the JIT */
109 static MonoCreateDomainFunc create_domain_hook;
110 static MonoFreeDomainFunc free_domain_hook;
112 /* AOT cache configuration */
113 static MonoAotCacheConfig aot_cache_config;
116 get_runtimes_from_exe (const char *exe_file, MonoImage **exe_image, const MonoRuntimeInfo** runtimes);
118 static const MonoRuntimeInfo*
119 get_runtime_by_version (const char *version);
121 #define ALIGN_TO(val,align) ((((guint64)val) + ((align) - 1)) & ~((align) - 1))
122 #define ALIGN_PTR_TO(ptr,align) (gpointer)((((gssize)(ptr)) + (align - 1)) & (~(align - 1)))
124 static LockFreeMempool*
125 lock_free_mempool_new (void)
127 return g_new0 (LockFreeMempool, 1);
131 lock_free_mempool_free (LockFreeMempool *mp)
133 LockFreeMempoolChunk *chunk, *next;
137 next = (LockFreeMempoolChunk *)chunk->prev;
138 mono_vfree (chunk, mono_pagesize (), MONO_MEM_ACCOUNT_DOMAIN);
147 static LockFreeMempoolChunk*
148 lock_free_mempool_chunk_new (LockFreeMempool *mp, int len)
150 LockFreeMempoolChunk *chunk, *prev;
153 size = mono_pagesize ();
154 while (size - sizeof (LockFreeMempoolChunk) < len)
155 size += mono_pagesize ();
156 chunk = (LockFreeMempoolChunk *)mono_valloc (0, size, MONO_MMAP_READ|MONO_MMAP_WRITE, MONO_MEM_ACCOUNT_DOMAIN);
158 chunk->mem = (guint8 *)ALIGN_PTR_TO ((char*)chunk + sizeof (LockFreeMempoolChunk), 16);
159 chunk->size = ((char*)chunk + size) - (char*)chunk->mem;
162 /* Add to list of chunks lock-free */
165 if (InterlockedCompareExchangePointer ((volatile gpointer*)&mp->chunks, chunk, prev) == prev)
177 lock_free_mempool_alloc0 (LockFreeMempool *mp, guint size)
179 LockFreeMempoolChunk *chunk;
183 // FIXME: Free the allocator
185 size = ALIGN_TO (size, 8);
188 chunk = lock_free_mempool_chunk_new (mp, size);
189 mono_memory_barrier ();
194 /* The code below is lock-free, 'chunk' is shared state */
195 oldpos = InterlockedExchangeAdd (&chunk->pos, size);
196 if (oldpos + size > chunk->size) {
197 chunk = lock_free_mempool_chunk_new (mp, size);
198 g_assert (chunk->pos + size <= chunk->size);
201 mono_memory_barrier ();
204 res = (char*)chunk->mem + oldpos;
211 mono_install_create_domain_hook (MonoCreateDomainFunc func)
213 create_domain_hook = func;
217 mono_install_free_domain_hook (MonoFreeDomainFunc func)
219 free_domain_hook = func;
224 * @s1: First string to compare
225 * @s2: Second string to compare
227 * Compares two `MonoString*` instances ordinally for equality.
229 * Returns FALSE if the strings differ.
232 mono_string_equal (MonoString *s1, MonoString *s2)
234 int l1 = mono_string_length (s1);
235 int l2 = mono_string_length (s2);
242 return memcmp (mono_string_chars (s1), mono_string_chars (s2), l1 * 2) == 0;
247 * @s: the string to hash
249 * Compute the hash for a `MonoString*`
250 * Returns the hash for the string.
253 mono_string_hash (MonoString *s)
255 const guint16 *p = mono_string_chars (s);
256 int i, len = mono_string_length (s);
259 for (i = 0; i < len; i++) {
260 h = (h << 5) - h + *p;
268 mono_ptrarray_equal (gpointer *s1, gpointer *s2)
270 int len = GPOINTER_TO_INT (s1 [0]);
271 if (len != GPOINTER_TO_INT (s2 [0]))
274 return memcmp (s1 + 1, s2 + 1, len * sizeof(gpointer)) == 0;
278 mono_ptrarray_hash (gpointer *s)
281 int len = GPOINTER_TO_INT (s [0]);
284 for (i = 1; i < len; i++)
285 hash += GPOINTER_TO_UINT (s [i]);
291 * Allocate an id for domain and set domain->domain_id.
292 * LOCKING: must be called while holding appdomains_mutex.
293 * We try to assign low numbers to the domain, so it can be used
294 * as an index in data tables to lookup domain-specific info
295 * with minimal memory overhead. We also try not to reuse the
296 * same id too quickly (to help debugging).
299 domain_id_alloc (MonoDomain *domain)
302 if (!appdomains_list) {
303 appdomain_list_size = 2;
304 appdomains_list = (MonoDomain **)mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "domains list");
306 for (i = appdomain_next; i < appdomain_list_size; ++i) {
307 if (!appdomains_list [i]) {
313 for (i = 0; i < appdomain_next; ++i) {
314 if (!appdomains_list [i]) {
321 MonoDomain **new_list;
322 int new_size = appdomain_list_size * 2;
323 if (new_size >= (1 << 16))
324 g_assert_not_reached ();
325 id = appdomain_list_size;
326 new_list = (MonoDomain **)mono_gc_alloc_fixed (new_size * sizeof (void*), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "domains list");
327 memcpy (new_list, appdomains_list, appdomain_list_size * sizeof (void*));
328 mono_gc_free_fixed (appdomains_list);
329 appdomains_list = new_list;
330 appdomain_list_size = new_size;
332 domain->domain_id = id;
333 appdomains_list [id] = domain;
335 if (appdomain_next > appdomain_list_size)
340 static gsize domain_gc_bitmap [sizeof(MonoDomain)/4/32 + 1];
341 static MonoGCDescriptor domain_gc_desc = MONO_GC_DESCRIPTOR_NULL;
342 static guint32 domain_shadow_serial = 0L;
345 * mono_domain_create:
347 * Creates a new application domain, the unmanaged representation
348 * of the actual domain. Usually you will want to create the
350 * Application domains provide an isolation facilty for assemblies. You
351 * can load assemblies and execute code in them that will not be visible
352 * to other application domains. This is a runtime-based virtualization
355 * It is possible to unload domains, which unloads the assemblies and
356 * data that was allocated in that domain.
358 * When a domain is created a mempool is allocated for domain-specific
359 * structures, along a dedicated code manager to hold code that is
360 * associated with the domain.
362 * Returns: New initialized MonoDomain, with no configuration or assemblies
366 mono_domain_create (void)
369 guint32 shadow_serial;
371 mono_appdomains_lock ();
372 shadow_serial = domain_shadow_serial++;
374 if (!domain_gc_desc) {
375 unsigned int i, bit = 0;
376 for (i = G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_OBJECT); i < G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_GC_TRACKED); i += sizeof (gpointer)) {
377 bit = i / sizeof (gpointer);
378 domain_gc_bitmap [bit / 32] |= (gsize) 1 << (bit % 32);
380 domain_gc_desc = mono_gc_make_descr_from_bitmap ((gsize*)domain_gc_bitmap, bit + 1);
382 mono_appdomains_unlock ();
385 domain = (MonoDomain *)mono_gc_alloc_fixed (sizeof (MonoDomain), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "domain object");
387 domain = (MonoDomain *)mono_gc_alloc_fixed (sizeof (MonoDomain), domain_gc_desc, MONO_ROOT_SOURCE_DOMAIN, "domain object");
388 mono_gc_register_root ((char*)&(domain->MONO_DOMAIN_FIRST_GC_TRACKED), G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_LAST_GC_TRACKED) - G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_GC_TRACKED), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "misc domain fields");
390 domain->shadow_serial = shadow_serial;
391 domain->domain = NULL;
392 domain->setup = NULL;
393 domain->friendly_name = NULL;
394 domain->search_path = NULL;
396 mono_profiler_appdomain_event (domain, MONO_PROFILE_START_LOAD);
398 domain->mp = mono_mempool_new ();
399 domain->code_mp = mono_code_manager_new ();
400 domain->lock_free_mp = lock_free_mempool_new ();
401 domain->env = mono_g_hash_table_new_type ((GHashFunc)mono_string_hash, (GCompareFunc)mono_string_equal, MONO_HASH_KEY_VALUE_GC, MONO_ROOT_SOURCE_DOMAIN, "domain environment variables table");
402 domain->domain_assemblies = NULL;
403 domain->assembly_bindings = NULL;
404 domain->assembly_bindings_parsed = FALSE;
405 domain->class_vtable_array = g_ptr_array_new ();
406 domain->proxy_vtable_hash = g_hash_table_new ((GHashFunc)mono_ptrarray_hash, (GCompareFunc)mono_ptrarray_equal);
407 domain->static_data_array = NULL;
408 mono_jit_code_hash_init (&domain->jit_code_hash);
409 domain->ldstr_table = mono_g_hash_table_new_type ((GHashFunc)mono_string_hash, (GCompareFunc)mono_string_equal, MONO_HASH_KEY_VALUE_GC, MONO_ROOT_SOURCE_DOMAIN, "domain string constants table");
410 domain->num_jit_info_tables = 1;
411 domain->jit_info_table = mono_jit_info_table_new (domain);
412 domain->jit_info_free_queue = NULL;
413 domain->finalizable_objects_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
414 domain->ftnptrs_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
416 mono_coop_mutex_init_recursive (&domain->lock);
418 mono_os_mutex_init_recursive (&domain->assemblies_lock);
419 mono_os_mutex_init_recursive (&domain->jit_code_hash_lock);
420 mono_os_mutex_init_recursive (&domain->finalizable_objects_hash_lock);
422 domain->method_rgctx_hash = NULL;
424 mono_appdomains_lock ();
425 domain_id_alloc (domain);
426 mono_appdomains_unlock ();
428 #ifndef DISABLE_PERFCOUNTERS
429 mono_perfcounters->loader_appdomains++;
430 mono_perfcounters->loader_total_appdomains++;
433 mono_debug_domain_create (domain);
435 if (create_domain_hook)
436 create_domain_hook (domain);
438 mono_profiler_appdomain_loaded (domain, MONO_PROFILE_OK);
444 * mono_init_internal:
446 * Creates the initial application domain and initializes the mono_defaults
448 * This function is guaranteed to not run any IL code.
449 * If exe_filename is not NULL, the method will determine the required runtime
450 * from the exe configuration file or the version PE field.
451 * If runtime_version is not NULL, that runtime version will be used.
452 * Either exe_filename or runtime_version must be provided.
454 * Returns: the initial domain.
457 mono_init_internal (const char *filename, const char *exe_filename, const char *runtime_version)
459 static MonoDomain *domain = NULL;
460 MonoAssembly *ass = NULL;
461 MonoImageOpenStatus status = MONO_IMAGE_OK;
462 const MonoRuntimeInfo* runtimes [G_N_ELEMENTS (supported_runtimes) + 1] = { NULL };
465 #ifdef DEBUG_DOMAIN_UNLOAD
466 debug_domain_unload = TRUE;
470 g_assert_not_reached ();
472 #if defined(HOST_WIN32) && G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT)
473 /* Avoid system error message boxes. */
474 SetErrorMode (SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
478 mono_w32handle_init ();
479 mono_w32handle_namespace_init ();
482 mono_w32mutex_init ();
483 mono_w32semaphore_init ();
484 mono_w32event_init ();
485 mono_w32process_init ();
486 mono_w32file_init ();
488 #ifndef DISABLE_PERFCOUNTERS
489 mono_perfcounters_init ();
491 mono_counters_init ();
493 mono_counters_register ("Max native code in a domain", MONO_COUNTER_INT|MONO_COUNTER_JIT, &max_domain_code_size);
494 mono_counters_register ("Max code space allocated in a domain", MONO_COUNTER_INT|MONO_COUNTER_JIT, &max_domain_code_alloc);
495 mono_counters_register ("Total code space allocated", MONO_COUNTER_INT|MONO_COUNTER_JIT, &total_domain_code_alloc);
497 mono_gc_base_init ();
498 mono_thread_info_attach (&dummy);
500 mono_coop_mutex_init_recursive (&appdomains_mutex);
502 mono_metadata_init ();
504 mono_assemblies_init ();
505 mono_classes_init ();
507 mono_reflection_init ();
508 mono_runtime_init_tls ();
510 domain = mono_domain_create ();
511 mono_root_domain = domain;
513 SET_APPDOMAIN (domain);
515 /* Get a list of runtimes supported by the exe */
516 if (exe_filename != NULL) {
518 * This function will load the exe file as a MonoImage. We need to close it, but
519 * that would mean it would be reloaded later. So instead, we save it to
520 * exe_image, and close it during shutdown.
522 get_runtimes_from_exe (exe_filename, &exe_image, runtimes);
525 exe_image = mono_assembly_open_from_bundle (exe_filename, NULL, FALSE);
527 exe_image = mono_image_open (exe_filename, NULL);
529 mono_fixup_exe_image (exe_image);
531 } else if (runtime_version != NULL) {
532 runtimes [0] = get_runtime_by_version (runtime_version);
536 if (runtimes [0] == NULL) {
537 const MonoRuntimeInfo *default_runtime = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
538 runtimes [0] = default_runtime;
540 g_print ("WARNING: The runtime version supported by this application is unavailable.\n");
541 g_print ("Using default runtime: %s\n", default_runtime->runtime_version);
544 /* The selected runtime will be the first one for which there is a mscrolib.dll */
545 for (n = 0; runtimes [n] != NULL && ass == NULL; n++) {
546 current_runtime = runtimes [n];
547 ass = mono_assembly_load_corlib (current_runtime, &status);
548 if (status != MONO_IMAGE_OK && status != MONO_IMAGE_ERROR_ERRNO)
553 if ((status != MONO_IMAGE_OK) || (ass == NULL)) {
555 case MONO_IMAGE_ERROR_ERRNO: {
556 char *corlib_file = g_build_filename (mono_assembly_getrootdir (), "mono", current_runtime->framework_version, "mscorlib.dll", NULL);
557 g_print ("The assembly mscorlib.dll was not found or could not be loaded.\n");
558 g_print ("It should have been installed in the `%s' directory.\n", corlib_file);
559 g_free (corlib_file);
562 case MONO_IMAGE_IMAGE_INVALID:
563 g_print ("The file %s/mscorlib.dll is an invalid CIL image\n",
564 mono_assembly_getrootdir ());
566 case MONO_IMAGE_MISSING_ASSEMBLYREF:
567 g_print ("Missing assembly reference in %s/mscorlib.dll\n",
568 mono_assembly_getrootdir ());
571 /* to suppress compiler warning */
577 mono_defaults.corlib = mono_assembly_get_image (ass);
579 mono_defaults.object_class = mono_class_load_from_name (
580 mono_defaults.corlib, "System", "Object");
582 mono_defaults.void_class = mono_class_load_from_name (
583 mono_defaults.corlib, "System", "Void");
585 mono_defaults.boolean_class = mono_class_load_from_name (
586 mono_defaults.corlib, "System", "Boolean");
588 mono_defaults.byte_class = mono_class_load_from_name (
589 mono_defaults.corlib, "System", "Byte");
591 mono_defaults.sbyte_class = mono_class_load_from_name (
592 mono_defaults.corlib, "System", "SByte");
594 mono_defaults.int16_class = mono_class_load_from_name (
595 mono_defaults.corlib, "System", "Int16");
597 mono_defaults.uint16_class = mono_class_load_from_name (
598 mono_defaults.corlib, "System", "UInt16");
600 mono_defaults.int32_class = mono_class_load_from_name (
601 mono_defaults.corlib, "System", "Int32");
603 mono_defaults.uint32_class = mono_class_load_from_name (
604 mono_defaults.corlib, "System", "UInt32");
606 mono_defaults.uint_class = mono_class_load_from_name (
607 mono_defaults.corlib, "System", "UIntPtr");
609 mono_defaults.int_class = mono_class_load_from_name (
610 mono_defaults.corlib, "System", "IntPtr");
612 mono_defaults.int64_class = mono_class_load_from_name (
613 mono_defaults.corlib, "System", "Int64");
615 mono_defaults.uint64_class = mono_class_load_from_name (
616 mono_defaults.corlib, "System", "UInt64");
618 mono_defaults.single_class = mono_class_load_from_name (
619 mono_defaults.corlib, "System", "Single");
621 mono_defaults.double_class = mono_class_load_from_name (
622 mono_defaults.corlib, "System", "Double");
624 mono_defaults.char_class = mono_class_load_from_name (
625 mono_defaults.corlib, "System", "Char");
627 mono_defaults.string_class = mono_class_load_from_name (
628 mono_defaults.corlib, "System", "String");
630 mono_defaults.enum_class = mono_class_load_from_name (
631 mono_defaults.corlib, "System", "Enum");
633 mono_defaults.array_class = mono_class_load_from_name (
634 mono_defaults.corlib, "System", "Array");
636 mono_defaults.delegate_class = mono_class_load_from_name (
637 mono_defaults.corlib, "System", "Delegate");
639 mono_defaults.multicastdelegate_class = mono_class_load_from_name (
640 mono_defaults.corlib, "System", "MulticastDelegate");
642 mono_defaults.asyncresult_class = mono_class_load_from_name (
643 mono_defaults.corlib, "System.Runtime.Remoting.Messaging",
646 mono_defaults.manualresetevent_class = mono_class_load_from_name (
647 mono_defaults.corlib, "System.Threading", "ManualResetEvent");
649 mono_defaults.typehandle_class = mono_class_load_from_name (
650 mono_defaults.corlib, "System", "RuntimeTypeHandle");
652 mono_defaults.methodhandle_class = mono_class_load_from_name (
653 mono_defaults.corlib, "System", "RuntimeMethodHandle");
655 mono_defaults.fieldhandle_class = mono_class_load_from_name (
656 mono_defaults.corlib, "System", "RuntimeFieldHandle");
658 mono_defaults.systemtype_class = mono_class_load_from_name (
659 mono_defaults.corlib, "System", "Type");
661 mono_defaults.runtimetype_class = mono_class_load_from_name (
662 mono_defaults.corlib, "System", "RuntimeType");
664 mono_defaults.exception_class = mono_class_load_from_name (
665 mono_defaults.corlib, "System", "Exception");
667 mono_defaults.threadabortexception_class = mono_class_load_from_name (
668 mono_defaults.corlib, "System.Threading", "ThreadAbortException");
670 mono_defaults.thread_class = mono_class_load_from_name (
671 mono_defaults.corlib, "System.Threading", "Thread");
673 mono_defaults.internal_thread_class = mono_class_load_from_name (
674 mono_defaults.corlib, "System.Threading", "InternalThread");
676 mono_defaults.appdomain_class = mono_class_load_from_name (
677 mono_defaults.corlib, "System", "AppDomain");
679 #ifndef DISABLE_REMOTING
680 mono_defaults.transparent_proxy_class = mono_class_load_from_name (
681 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "TransparentProxy");
683 mono_defaults.real_proxy_class = mono_class_load_from_name (
684 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "RealProxy");
686 mono_defaults.marshalbyrefobject_class = mono_class_load_from_name (
687 mono_defaults.corlib, "System", "MarshalByRefObject");
689 mono_defaults.iremotingtypeinfo_class = mono_class_load_from_name (
690 mono_defaults.corlib, "System.Runtime.Remoting", "IRemotingTypeInfo");
694 mono_defaults.mono_method_message_class = mono_class_load_from_name (
695 mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "MonoMethodMessage");
697 mono_defaults.field_info_class = mono_class_load_from_name (
698 mono_defaults.corlib, "System.Reflection", "FieldInfo");
700 mono_defaults.method_info_class = mono_class_load_from_name (
701 mono_defaults.corlib, "System.Reflection", "MethodInfo");
703 mono_defaults.stringbuilder_class = mono_class_load_from_name (
704 mono_defaults.corlib, "System.Text", "StringBuilder");
706 mono_defaults.math_class = mono_class_load_from_name (
707 mono_defaults.corlib, "System", "Math");
709 mono_defaults.stack_frame_class = mono_class_load_from_name (
710 mono_defaults.corlib, "System.Diagnostics", "StackFrame");
712 mono_defaults.stack_trace_class = mono_class_load_from_name (
713 mono_defaults.corlib, "System.Diagnostics", "StackTrace");
715 mono_defaults.marshal_class = mono_class_load_from_name (
716 mono_defaults.corlib, "System.Runtime.InteropServices", "Marshal");
718 mono_defaults.typed_reference_class = mono_class_load_from_name (
719 mono_defaults.corlib, "System", "TypedReference");
721 mono_defaults.argumenthandle_class = mono_class_load_from_name (
722 mono_defaults.corlib, "System", "RuntimeArgumentHandle");
724 mono_defaults.monitor_class = mono_class_load_from_name (
725 mono_defaults.corlib, "System.Threading", "Monitor");
727 Not using GENERATE_TRY_GET_CLASS_WITH_CACHE_DECL as this type is heavily checked by sgen when computing finalization.
729 mono_defaults.critical_finalizer_object = mono_class_try_load_from_name (mono_defaults.corlib,
730 "System.Runtime.ConstrainedExecution", "CriticalFinalizerObject");
732 mono_assembly_load_friends (ass);
734 mono_defaults.handleref_class = mono_class_try_load_from_name (
735 mono_defaults.corlib, "System.Runtime.InteropServices", "HandleRef");
737 mono_defaults.attribute_class = mono_class_load_from_name (
738 mono_defaults.corlib, "System", "Attribute");
740 mono_defaults.customattribute_data_class = mono_class_load_from_name (
741 mono_defaults.corlib, "System.Reflection", "CustomAttributeData");
743 mono_class_init (mono_defaults.array_class);
744 mono_defaults.generic_nullable_class = mono_class_load_from_name (
745 mono_defaults.corlib, "System", "Nullable`1");
746 mono_defaults.generic_ilist_class = mono_class_load_from_name (
747 mono_defaults.corlib, "System.Collections.Generic", "IList`1");
748 mono_defaults.generic_ireadonlylist_class = mono_class_load_from_name (
749 mono_defaults.corlib, "System.Collections.Generic", "IReadOnlyList`1");
751 mono_defaults.threadpool_wait_callback_class = mono_class_load_from_name (
752 mono_defaults.corlib, "System.Threading", "_ThreadPoolWaitCallback");
754 mono_defaults.threadpool_perform_wait_callback_method = mono_class_get_method_from_name (
755 mono_defaults.threadpool_wait_callback_class, "PerformWaitCallback", 0);
757 domain->friendly_name = g_path_get_basename (filename);
759 mono_profiler_appdomain_name (domain, domain->friendly_name);
767 * Creates the initial application domain and initializes the mono_defaults
770 * This function is guaranteed to not run any IL code.
771 * The runtime is initialized using the default runtime version.
773 * Returns: the initial domain.
776 mono_init (const char *domain_name)
778 return mono_init_internal (domain_name, NULL, DEFAULT_RUNTIME_VERSION);
782 * mono_init_from_assembly:
783 * @domain_name: name to give to the initial domain
784 * @filename: filename to load on startup
786 * Used by the runtime, users should use mono_jit_init instead.
788 * Creates the initial application domain and initializes the mono_defaults
790 * This function is guaranteed to not run any IL code.
791 * The runtime is initialized using the runtime version required by the
792 * provided executable. The version is determined by looking at the exe
793 * configuration file and the version PE field)
795 * Returns: the initial domain.
798 mono_init_from_assembly (const char *domain_name, const char *filename)
800 return mono_init_internal (domain_name, filename, NULL);
806 * Used by the runtime, users should use mono_jit_init instead.
808 * Creates the initial application domain and initializes the mono_defaults
811 * This function is guaranteed to not run any IL code.
812 * The runtime is initialized using the provided rutime version.
814 * Returns: the initial domain.
817 mono_init_version (const char *domain_name, const char *version)
819 return mono_init_internal (domain_name, NULL, version);
825 * Cleans up all metadata modules.
830 mono_close_exe_image ();
832 mono_defaults.corlib = NULL;
834 mono_config_cleanup ();
835 mono_loader_cleanup ();
836 mono_classes_cleanup ();
837 mono_assemblies_cleanup ();
838 mono_debug_cleanup ();
839 mono_images_cleanup ();
840 mono_metadata_cleanup ();
842 mono_coop_mutex_destroy (&appdomains_mutex);
844 mono_w32process_cleanup ();
845 mono_w32file_cleanup ();
849 mono_close_exe_image (void)
852 mono_image_close (exe_image);
856 * mono_get_root_domain:
858 * The root AppDomain is the initial domain created by the runtime when it is
859 * initialized. Programs execute on this AppDomain, but can create new ones
860 * later. Currently there is no unmanaged API to create new AppDomains, this
861 * must be done from managed code.
863 * Returns: the root appdomain, to obtain the current domain, use mono_domain_get ()
866 mono_get_root_domain (void)
868 return mono_root_domain;
874 * This method returns the value of the current MonoDomain that this thread
875 * and code are running under. To obtain the root domain use
876 * mono_get_root_domain() API.
878 * Returns: the current domain
883 return GET_APPDOMAIN ();
887 mono_domain_unset (void)
889 SET_APPDOMAIN (NULL);
893 mono_domain_set_internal_with_options (MonoDomain *domain, gboolean migrate_exception)
895 MonoInternalThread *thread;
897 if (mono_domain_get () == domain)
900 SET_APPDOMAIN (domain);
901 SET_APPCONTEXT (domain->default_context);
903 if (migrate_exception) {
904 thread = mono_thread_internal_current ();
905 if (!thread->abort_exc)
908 g_assert (thread->abort_exc->object.vtable->domain != domain);
909 MONO_OBJECT_SETREF (thread, abort_exc, mono_get_exception_thread_abort ());
910 g_assert (thread->abort_exc->object.vtable->domain == domain);
915 * mono_domain_set_internal:
916 * @domain: the new domain
918 * Sets the current domain to @domain.
921 mono_domain_set_internal (MonoDomain *domain)
923 mono_domain_set_internal_with_options (domain, TRUE);
927 * mono_domain_foreach:
928 * @func: function to invoke with the domain data
929 * @user_data: user-defined pointer that is passed to the supplied @func fo reach domain
931 * Use this method to safely iterate over all the loaded application
932 * domains in the current runtime. The provided @func is invoked with a
933 * pointer to the MonoDomain and is given the value of the @user_data
934 * parameter which can be used to pass state to your called routine.
937 mono_domain_foreach (MonoDomainFunc func, gpointer user_data)
943 * Create a copy of the data to avoid calling the user callback
944 * inside the lock because that could lead to deadlocks.
945 * We can do this because this function is not perf. critical.
947 mono_appdomains_lock ();
948 size = appdomain_list_size;
949 copy = (MonoDomain **)mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "temporary domains list");
950 memcpy (copy, appdomains_list, appdomain_list_size * sizeof (void*));
951 mono_appdomains_unlock ();
953 for (i = 0; i < size; ++i) {
955 func (copy [i], user_data);
958 mono_gc_free_fixed (copy);
962 * mono_domain_assembly_open:
963 * @domain: the application domain
964 * @name: file name of the assembly
966 * fixme: maybe we should integrate this with mono_assembly_open ??
969 mono_domain_assembly_open (MonoDomain *domain, const char *name)
975 mono_domain_assemblies_lock (domain);
976 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
977 ass = (MonoAssembly *)tmp->data;
978 if (strcmp (name, ass->aname.name) == 0) {
979 mono_domain_assemblies_unlock (domain);
983 mono_domain_assemblies_unlock (domain);
985 if (domain != mono_domain_get ()) {
986 current = mono_domain_get ();
988 mono_domain_set (domain, FALSE);
989 ass = mono_assembly_open (name, NULL);
990 mono_domain_set (current, FALSE);
992 ass = mono_assembly_open (name, NULL);
999 unregister_vtable_reflection_type (MonoVTable *vtable)
1001 MonoObject *type = (MonoObject *)vtable->type;
1003 if (type->vtable->klass != mono_defaults.runtimetype_class)
1004 MONO_GC_UNREGISTER_ROOT_IF_MOVING (vtable->type);
1009 * @domain: the domain to release
1010 * @force: if true, it allows the root domain to be released (used at shutdown only).
1012 * This releases the resources associated with the specific domain.
1013 * This is a low-level function that is invoked by the AppDomain infrastructure
1017 mono_domain_free (MonoDomain *domain, gboolean force)
1019 int code_size, code_alloc;
1023 if ((domain == mono_root_domain) && !force) {
1024 g_warning ("cant unload root domain");
1028 if (mono_dont_free_domains)
1031 mono_profiler_appdomain_event (domain, MONO_PROFILE_START_UNLOAD);
1033 mono_debug_domain_unload (domain);
1035 mono_appdomains_lock ();
1036 appdomains_list [domain->domain_id] = NULL;
1037 mono_appdomains_unlock ();
1039 /* must do this early as it accesses fields and types */
1040 if (domain->special_static_fields) {
1041 mono_alloc_special_static_data_free (domain->special_static_fields);
1042 g_hash_table_destroy (domain->special_static_fields);
1043 domain->special_static_fields = NULL;
1047 * We must destroy all these hash tables here because they
1048 * contain references to managed objects belonging to the
1049 * domain. Once we let the GC clear the domain there must be
1050 * no more such references, or we'll crash if a collection
1053 mono_g_hash_table_destroy (domain->ldstr_table);
1054 domain->ldstr_table = NULL;
1056 mono_g_hash_table_destroy (domain->env);
1059 mono_reflection_cleanup_domain (domain);
1061 /* This must be done before type_hash is freed */
1062 if (domain->class_vtable_array) {
1064 for (i = 0; i < domain->class_vtable_array->len; ++i)
1065 unregister_vtable_reflection_type ((MonoVTable *)g_ptr_array_index (domain->class_vtable_array, i));
1068 if (domain->type_hash) {
1069 mono_g_hash_table_destroy (domain->type_hash);
1070 domain->type_hash = NULL;
1072 if (domain->type_init_exception_hash) {
1073 mono_g_hash_table_destroy (domain->type_init_exception_hash);
1074 domain->type_init_exception_hash = NULL;
1077 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1078 MonoAssembly *ass = (MonoAssembly *)tmp->data;
1079 mono_assembly_release_gc_roots (ass);
1082 /* Have to zero out reference fields since they will be invalidated by the clear_domain () call below */
1083 for (p = (gpointer*)&domain->MONO_DOMAIN_FIRST_OBJECT; p < (gpointer*)&domain->MONO_DOMAIN_FIRST_GC_TRACKED; ++p)
1086 /* This needs to be done before closing assemblies */
1087 mono_gc_clear_domain (domain);
1089 /* Close dynamic assemblies first, since they have no ref count */
1090 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1091 MonoAssembly *ass = (MonoAssembly *)tmp->data;
1092 if (!ass->image || !image_is_dynamic (ass->image))
1094 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);
1095 if (!mono_assembly_close_except_image_pools (ass))
1099 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1100 MonoAssembly *ass = (MonoAssembly *)tmp->data;
1103 if (!ass->image || image_is_dynamic (ass->image))
1105 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);
1106 if (!mono_assembly_close_except_image_pools (ass))
1110 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1111 MonoAssembly *ass = (MonoAssembly *)tmp->data;
1113 mono_assembly_close_finish (ass);
1115 g_slist_free (domain->domain_assemblies);
1116 domain->domain_assemblies = NULL;
1119 * Send this after the assemblies have been unloaded and the domain is still in a
1122 mono_profiler_appdomain_event (domain, MONO_PROFILE_END_UNLOAD);
1124 if (free_domain_hook)
1125 free_domain_hook (domain);
1127 /* FIXME: free delegate_hash_table when it's used */
1128 if (domain->search_path) {
1129 g_strfreev (domain->search_path);
1130 domain->search_path = NULL;
1132 domain->create_proxy_for_type_method = NULL;
1133 domain->private_invoke_method = NULL;
1134 domain->default_context = NULL;
1135 domain->out_of_memory_ex = NULL;
1136 domain->null_reference_ex = NULL;
1137 domain->stack_overflow_ex = NULL;
1138 domain->ephemeron_tombstone = NULL;
1139 domain->entry_assembly = NULL;
1141 g_free (domain->friendly_name);
1142 domain->friendly_name = NULL;
1143 g_ptr_array_free (domain->class_vtable_array, TRUE);
1144 domain->class_vtable_array = NULL;
1145 g_hash_table_destroy (domain->proxy_vtable_hash);
1146 domain->proxy_vtable_hash = NULL;
1147 if (domain->static_data_array) {
1148 mono_gc_free_fixed (domain->static_data_array);
1149 domain->static_data_array = NULL;
1151 mono_internal_hash_table_destroy (&domain->jit_code_hash);
1154 * There might still be jit info tables of this domain which
1155 * are not freed. Since the domain cannot be in use anymore,
1156 * this will free them.
1158 mono_thread_hazardous_try_free_all ();
1159 if (domain->aot_modules)
1160 mono_jit_info_table_free (domain->aot_modules);
1161 g_assert (domain->num_jit_info_tables == 1);
1162 mono_jit_info_table_free (domain->jit_info_table);
1163 domain->jit_info_table = NULL;
1164 g_assert (!domain->jit_info_free_queue);
1166 /* collect statistics */
1167 code_alloc = mono_code_manager_size (domain->code_mp, &code_size);
1168 total_domain_code_alloc += code_alloc;
1169 max_domain_code_alloc = MAX (max_domain_code_alloc, code_alloc);
1170 max_domain_code_size = MAX (max_domain_code_size, code_size);
1172 if (debug_domain_unload) {
1173 mono_mempool_invalidate (domain->mp);
1174 mono_code_manager_invalidate (domain->code_mp);
1176 #ifndef DISABLE_PERFCOUNTERS
1177 mono_perfcounters->loader_bytes -= mono_mempool_get_allocated (domain->mp);
1179 mono_mempool_destroy (domain->mp);
1181 mono_code_manager_destroy (domain->code_mp);
1182 domain->code_mp = NULL;
1184 lock_free_mempool_free (domain->lock_free_mp);
1185 domain->lock_free_mp = NULL;
1187 g_hash_table_destroy (domain->finalizable_objects_hash);
1188 domain->finalizable_objects_hash = NULL;
1189 if (domain->method_rgctx_hash) {
1190 g_hash_table_destroy (domain->method_rgctx_hash);
1191 domain->method_rgctx_hash = NULL;
1193 if (domain->generic_virtual_cases) {
1194 g_hash_table_destroy (domain->generic_virtual_cases);
1195 domain->generic_virtual_cases = NULL;
1197 if (domain->ftnptrs_hash) {
1198 g_hash_table_destroy (domain->ftnptrs_hash);
1199 domain->ftnptrs_hash = NULL;
1201 if (domain->method_to_dyn_method) {
1202 g_hash_table_destroy (domain->method_to_dyn_method);
1203 domain->method_to_dyn_method = NULL;
1206 mono_os_mutex_destroy (&domain->finalizable_objects_hash_lock);
1207 mono_os_mutex_destroy (&domain->assemblies_lock);
1208 mono_os_mutex_destroy (&domain->jit_code_hash_lock);
1210 mono_coop_mutex_destroy (&domain->lock);
1212 domain->setup = NULL;
1214 mono_gc_deregister_root ((char*)&(domain->MONO_DOMAIN_FIRST_GC_TRACKED));
1216 /* FIXME: anything else required ? */
1218 mono_gc_free_fixed (domain);
1220 #ifndef DISABLE_PERFCOUNTERS
1221 mono_perfcounters->loader_appdomains--;
1224 if (domain == mono_root_domain)
1225 mono_root_domain = NULL;
1229 * mono_domain_get_by_id:
1232 * Returns: the domain for a specific domain id.
1235 mono_domain_get_by_id (gint32 domainid)
1237 MonoDomain * domain;
1239 mono_appdomains_lock ();
1240 if (domainid < appdomain_list_size)
1241 domain = appdomains_list [domainid];
1244 mono_appdomains_unlock ();
1250 * mono_domain_get_id:
1252 * A domain ID is guaranteed to be unique for as long as the domain
1253 * using it is alive. It may be reused later once the domain has been
1256 * Returns: The unique ID for @domain.
1259 mono_domain_get_id (MonoDomain *domain)
1261 return domain->domain_id;
1265 * mono_domain_get_friendly_name:
1267 * The returned string's lifetime is the same as @domain's. Consider
1268 * copying it if you need to store it somewhere.
1270 * Returns: The friendly name of @domain. Can be NULL if not yet set.
1273 mono_domain_get_friendly_name (MonoDomain *domain)
1275 return domain->friendly_name;
1279 * mono_domain_alloc:
1281 * LOCKING: Acquires the domain lock.
1284 mono_domain_alloc (MonoDomain *domain, guint size)
1288 mono_domain_lock (domain);
1289 #ifndef DISABLE_PERFCOUNTERS
1290 mono_perfcounters->loader_bytes += size;
1292 res = mono_mempool_alloc (domain->mp, size);
1293 mono_domain_unlock (domain);
1299 * mono_domain_alloc0:
1301 * LOCKING: Acquires the domain lock.
1304 mono_domain_alloc0 (MonoDomain *domain, guint size)
1308 mono_domain_lock (domain);
1309 #ifndef DISABLE_PERFCOUNTERS
1310 mono_perfcounters->loader_bytes += size;
1312 res = mono_mempool_alloc0 (domain->mp, size);
1313 mono_domain_unlock (domain);
1319 mono_domain_alloc0_lock_free (MonoDomain *domain, guint size)
1321 return lock_free_mempool_alloc0 (domain->lock_free_mp, size);
1325 * mono_domain_code_reserve:
1327 * LOCKING: Acquires the domain lock.
1330 mono_domain_code_reserve (MonoDomain *domain, int size)
1334 mono_domain_lock (domain);
1335 res = mono_code_manager_reserve (domain->code_mp, size);
1336 mono_domain_unlock (domain);
1342 * mono_domain_code_reserve_align:
1344 * LOCKING: Acquires the domain lock.
1347 mono_domain_code_reserve_align (MonoDomain *domain, int size, int alignment)
1351 mono_domain_lock (domain);
1352 res = mono_code_manager_reserve_align (domain->code_mp, size, alignment);
1353 mono_domain_unlock (domain);
1359 * mono_domain_code_commit:
1361 * LOCKING: Acquires the domain lock.
1364 mono_domain_code_commit (MonoDomain *domain, void *data, int size, int newsize)
1366 mono_domain_lock (domain);
1367 mono_code_manager_commit (domain->code_mp, data, size, newsize);
1368 mono_domain_unlock (domain);
1372 * mono_domain_code_foreach:
1373 * Iterate over the code thunks of the code manager of @domain.
1375 * The @func callback MUST not take any locks. If it really needs to, it must respect
1376 * the locking rules of the runtime: http://www.mono-project.com/Mono:Runtime:Documentation:ThreadSafety
1377 * LOCKING: Acquires the domain lock.
1381 mono_domain_code_foreach (MonoDomain *domain, MonoCodeManagerFunc func, void *user_data)
1383 mono_domain_lock (domain);
1384 mono_code_manager_foreach (domain->code_mp, func, user_data);
1385 mono_domain_unlock (domain);
1390 mono_context_set (MonoAppContext * new_context)
1392 SET_APPCONTEXT (new_context);
1398 * Returns: the current Mono Application Context.
1401 mono_context_get (void)
1403 return GET_APPCONTEXT ();
1407 * mono_context_get_id:
1408 * @context: the context to operate on.
1410 * Context IDs are guaranteed to be unique for the duration of a Mono
1411 * process; they are never reused.
1413 * Returns: The unique ID for @context.
1416 mono_context_get_id (MonoAppContext *context)
1418 return context->context_id;
1422 * mono_context_get_domain_id:
1423 * @context: the context to operate on.
1425 * Returns: The ID of the domain that @context was created in.
1428 mono_context_get_domain_id (MonoAppContext *context)
1430 return context->domain_id;
1433 /* LOCKING: the caller holds the lock for this domain */
1435 mono_domain_add_class_static_data (MonoDomain *domain, MonoClass *klass, gpointer data, guint32 *bitmap)
1437 /* Note [Domain Static Data Array]:
1439 * Entry 0 in the array is the index of the next free slot.
1440 * Entry 1 is the total size of the array.
1443 if (domain->static_data_array) {
1444 int size = GPOINTER_TO_INT (domain->static_data_array [1]);
1445 next = GPOINTER_TO_INT (domain->static_data_array [0]);
1447 /* 'data' is allocated by alloc_fixed */
1448 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");
1449 mono_gc_memmove_aligned (new_array, domain->static_data_array, sizeof (gpointer) * size);
1451 new_array [1] = GINT_TO_POINTER (size);
1452 mono_gc_free_fixed (domain->static_data_array);
1453 domain->static_data_array = new_array;
1457 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");
1459 new_array [0] = GINT_TO_POINTER (next);
1460 new_array [1] = GINT_TO_POINTER (size);
1461 domain->static_data_array = new_array;
1463 domain->static_data_array [next++] = data;
1464 domain->static_data_array [0] = GINT_TO_POINTER (next);
1470 * Use this function to get the `MonoImage*` for the mscorlib.dll assembly
1472 * Returns: The MonoImage for mscorlib.dll
1475 mono_get_corlib (void)
1477 return mono_defaults.corlib;
1481 * mono_get_object_class:
1483 * Use this function to get the `MonoClass*` that the runtime is using for `System.Object`.
1485 * Returns: The `MonoClass*` for the `System.Object` type.
1488 mono_get_object_class (void)
1490 return mono_defaults.object_class;
1494 * mono_get_byte_class:
1496 * Use this function to get the `MonoClass*` that the runtime is using for `System.Byte`.
1498 * Returns: The `MonoClass*` for the `System.Byte` type.
1501 mono_get_byte_class (void)
1503 return mono_defaults.byte_class;
1507 * mono_get_void_class:
1509 * Use this function to get the `MonoClass*` that the runtime is using for `System.Void`.
1511 * Returns: The `MonoClass*` for the `System.Void` type.
1514 mono_get_void_class (void)
1516 return mono_defaults.void_class;
1520 * mono_get_boolean_class:
1522 * Use this function to get the `MonoClass*` that the runtime is using for `System.Boolean`.
1524 * Returns: The `MonoClass*` for the `System.Boolean` type.
1527 mono_get_boolean_class (void)
1529 return mono_defaults.boolean_class;
1533 * mono_get_sbyte_class:
1535 * Use this function to get the `MonoClass*` that the runtime is using for `System.SByte`.
1537 * Returns: The `MonoClass*` for the `System.SByte` type.
1540 mono_get_sbyte_class (void)
1542 return mono_defaults.sbyte_class;
1546 * mono_get_int16_class:
1548 * Use this function to get the `MonoClass*` that the runtime is using for `System.Int16`.
1550 * Returns: The `MonoClass*` for the `System.Int16` type.
1553 mono_get_int16_class (void)
1555 return mono_defaults.int16_class;
1559 * mono_get_uint16_class:
1561 * Use this function to get the `MonoClass*` that the runtime is using for `System.UInt16`.
1563 * Returns: The `MonoClass*` for the `System.UInt16` type.
1566 mono_get_uint16_class (void)
1568 return mono_defaults.uint16_class;
1572 * mono_get_int32_class:
1574 * Use this function to get the `MonoClass*` that the runtime is using for `System.Int32`.
1576 * Returns: The `MonoClass*` for the `System.Int32` type.
1579 mono_get_int32_class (void)
1581 return mono_defaults.int32_class;
1585 * mono_get_uint32_class:
1587 * Use this function to get the `MonoClass*` that the runtime is using for `System.UInt32`.
1589 * Returns: The `MonoClass*` for the `System.UInt32` type.
1592 mono_get_uint32_class (void)
1594 return mono_defaults.uint32_class;
1598 * mono_get_intptr_class:
1600 * Use this function to get the `MonoClass*` that the runtime is using for `System.IntPtr`.
1602 * Returns: The `MonoClass*` for the `System.IntPtr` type.
1605 mono_get_intptr_class (void)
1607 return mono_defaults.int_class;
1611 * mono_get_uintptr_class:
1613 * Use this function to get the `MonoClass*` that the runtime is using for `System.UIntPtr`.
1615 * Returns: The `MonoClass*` for the `System.UIntPtr` type.
1618 mono_get_uintptr_class (void)
1620 return mono_defaults.uint_class;
1624 * mono_get_int64_class:
1626 * Use this function to get the `MonoClass*` that the runtime is using for `System.Int64`.
1628 * Returns: The `MonoClass*` for the `System.Int64` type.
1631 mono_get_int64_class (void)
1633 return mono_defaults.int64_class;
1637 * mono_get_uint64_class:
1639 * Use this function to get the `MonoClass*` that the runtime is using for `System.UInt64`.
1641 * Returns: The `MonoClass*` for the `System.UInt64` type.
1644 mono_get_uint64_class (void)
1646 return mono_defaults.uint64_class;
1650 * mono_get_single_class:
1652 * Use this function to get the `MonoClass*` that the runtime is using for `System.Single` (32-bit floating points).
1654 * Returns: The `MonoClass*` for the `System.Single` type.
1657 mono_get_single_class (void)
1659 return mono_defaults.single_class;
1663 * mono_get_double_class:
1665 * Use this function to get the `MonoClass*` that the runtime is using for `System.Double` (64-bit floating points).
1667 * Returns: The `MonoClass*` for the `System.Double` type.
1670 mono_get_double_class (void)
1672 return mono_defaults.double_class;
1676 * mono_get_char_class:
1678 * Use this function to get the `MonoClass*` that the runtime is using for `System.Char`.
1680 * Returns: The `MonoClass*` for the `System.Char` type.
1683 mono_get_char_class (void)
1685 return mono_defaults.char_class;
1689 * mono_get_string_class:
1691 * Use this function to get the `MonoClass*` that the runtime is using for `System.String`.
1693 * Returns: The `MonoClass*` for the `System.String` type.
1696 mono_get_string_class (void)
1698 return mono_defaults.string_class;
1702 * mono_get_enum_class:
1704 * Use this function to get the `MonoClass*` that the runtime is using for `System.Enum`.
1706 * Returns: The `MonoClass*` for the `System.Enum` type.
1709 mono_get_enum_class (void)
1711 return mono_defaults.enum_class;
1715 * mono_get_array_class:
1717 * Use this function to get the `MonoClass*` that the runtime is using for `System.Array`.
1719 * Returns: The `MonoClass*` for the `System.Array` type.
1722 mono_get_array_class (void)
1724 return mono_defaults.array_class;
1728 * mono_get_thread_class:
1730 * Use this function to get the `MonoClass*` that the runtime is using for `System.Threading.Thread`.
1732 * Returns: The `MonoClass*` for the `System.Threading.Thread` type.
1735 mono_get_thread_class (void)
1737 return mono_defaults.thread_class;
1741 * mono_get_exception_class:
1743 * Use this function to get the `MonoClass*` that the runtime is using for `System.Exception`.
1745 * Returns: The `MonoClass*` for the `` type.
1748 mono_get_exception_class (void)
1750 return mono_defaults.exception_class;
1754 static char* get_attribute_value (const gchar **attribute_names,
1755 const gchar **attribute_values,
1756 const char *att_name)
1759 for (n=0; attribute_names[n] != NULL; n++) {
1760 if (strcmp (attribute_names[n], att_name) == 0)
1761 return g_strdup (attribute_values[n]);
1766 static void start_element (GMarkupParseContext *context,
1767 const gchar *element_name,
1768 const gchar **attribute_names,
1769 const gchar **attribute_values,
1773 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
1775 if (strcmp (element_name, "configuration") == 0) {
1776 app_config->configuration_count++;
1779 if (strcmp (element_name, "startup") == 0) {
1780 app_config->startup_count++;
1784 if (app_config->configuration_count != 1 || app_config->startup_count != 1)
1787 if (strcmp (element_name, "requiredRuntime") == 0) {
1788 app_config->required_runtime = get_attribute_value (attribute_names, attribute_values, "version");
1789 } else if (strcmp (element_name, "supportedRuntime") == 0) {
1790 char *version = get_attribute_value (attribute_names, attribute_values, "version");
1791 app_config->supported_runtimes = g_slist_append (app_config->supported_runtimes, version);
1795 static void end_element (GMarkupParseContext *context,
1796 const gchar *element_name,
1800 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
1802 if (strcmp (element_name, "configuration") == 0) {
1803 app_config->configuration_count--;
1804 } else if (strcmp (element_name, "startup") == 0) {
1805 app_config->startup_count--;
1809 static const GMarkupParser
1818 static AppConfigInfo *
1819 app_config_parse (const char *exe_filename)
1821 AppConfigInfo *app_config;
1822 GMarkupParseContext *context;
1825 const char *bundled_config;
1826 char *config_filename;
1828 bundled_config = mono_config_string_for_assembly_file (exe_filename);
1830 if (bundled_config) {
1831 text = g_strdup (bundled_config);
1832 len = strlen (text);
1834 config_filename = g_strconcat (exe_filename, ".config", NULL);
1836 if (!g_file_get_contents (config_filename, &text, &len, NULL)) {
1837 g_free (config_filename);
1840 g_free (config_filename);
1843 app_config = g_new0 (AppConfigInfo, 1);
1845 context = g_markup_parse_context_new (&mono_parser, (GMarkupParseFlags)0, app_config, NULL);
1846 if (g_markup_parse_context_parse (context, text, len, NULL)) {
1847 g_markup_parse_context_end_parse (context, NULL);
1849 g_markup_parse_context_free (context);
1855 app_config_free (AppConfigInfo* app_config)
1858 GSList *list = app_config->supported_runtimes;
1859 while (list != NULL) {
1860 rt = (char*)list->data;
1862 list = g_slist_next (list);
1864 g_slist_free (app_config->supported_runtimes);
1865 g_free (app_config->required_runtime);
1866 g_free (app_config);
1870 static const MonoRuntimeInfo*
1871 get_runtime_by_version (const char *version)
1874 int max = G_N_ELEMENTS (supported_runtimes);
1880 for (n=0; n<max; n++) {
1881 if (strcmp (version, supported_runtimes[n].runtime_version) == 0)
1882 return &supported_runtimes[n];
1885 vlen = strlen (version);
1886 if (vlen >= 4 && version [1] - '0' >= 4) {
1887 for (n=0; n<max; n++) {
1888 if (strncmp (version, supported_runtimes[n].runtime_version, 4) == 0)
1889 return &supported_runtimes[n];
1897 get_runtimes_from_exe (const char *exe_file, MonoImage **exe_image, const MonoRuntimeInfo** runtimes)
1899 AppConfigInfo* app_config;
1901 const MonoRuntimeInfo* runtime = NULL;
1902 MonoImage *image = NULL;
1904 app_config = app_config_parse (exe_file);
1906 if (app_config != NULL) {
1907 /* Check supportedRuntime elements, if none is supported, fail.
1908 * If there are no such elements, look for a requiredRuntime element.
1910 if (app_config->supported_runtimes != NULL) {
1912 GSList *list = app_config->supported_runtimes;
1913 while (list != NULL) {
1914 version = (char*) list->data;
1915 runtime = get_runtime_by_version (version);
1916 if (runtime != NULL)
1917 runtimes [n++] = runtime;
1918 list = g_slist_next (list);
1920 runtimes [n] = NULL;
1921 app_config_free (app_config);
1925 /* Check the requiredRuntime element. This is for 1.0 apps only. */
1926 if (app_config->required_runtime != NULL) {
1927 runtimes [0] = get_runtime_by_version (app_config->required_runtime);
1928 runtimes [1] = NULL;
1929 app_config_free (app_config);
1932 app_config_free (app_config);
1935 /* Look for a runtime with the exact version */
1936 image = mono_assembly_open_from_bundle (exe_file, NULL, FALSE);
1939 image = mono_image_open (exe_file, NULL);
1941 if (image == NULL) {
1942 /* The image is wrong or the file was not found. In this case return
1943 * a default runtime and leave to the initialization method the work of
1944 * reporting the error.
1946 runtimes [0] = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
1947 runtimes [1] = NULL;
1953 runtimes [0] = get_runtime_by_version (image->version);
1954 runtimes [1] = NULL;
1959 * mono_get_runtime_info:
1961 * Returns: the version of the current runtime instance.
1963 const MonoRuntimeInfo*
1964 mono_get_runtime_info (void)
1966 return current_runtime;
1970 * mono_framework_version:
1972 * Return the major version of the framework curently executing.
1975 mono_framework_version (void)
1977 return current_runtime->framework_version [0] - '0';
1981 mono_enable_debug_domain_unload (gboolean enable)
1983 debug_domain_unload = enable;
1986 MonoAotCacheConfig *
1987 mono_get_aot_cache_config (void)
1989 return &aot_cache_config;
1993 mono_domain_lock (MonoDomain *domain)
1995 mono_locks_coop_acquire (&domain->lock, DomainLock);
1999 mono_domain_unlock (MonoDomain *domain)
2001 mono_locks_coop_release (&domain->lock, DomainLock);
2005 mono_domain_get_assemblies (MonoDomain *domain, gboolean refonly)
2008 GPtrArray *assemblies;
2011 assemblies = g_ptr_array_new ();
2012 mono_domain_assemblies_lock (domain);
2013 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
2014 ass = (MonoAssembly *)tmp->data;
2015 if (refonly != ass->ref_only)
2017 if (ass->corlib_internal)
2019 g_ptr_array_add (assemblies, ass);
2021 mono_domain_assemblies_unlock (domain);