2 * domain.c: MonoDomain functions
5 * Dietmar Maurer (dietmar@ximian.com)
8 * Copyright 2001-2003 Ximian, Inc (http://www.ximian.com)
9 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
10 * Copyright 2011-2012 Xamarin, Inc (http://www.xamarin.com)
18 #include <mono/metadata/gc-internals.h>
20 #include <mono/utils/atomic.h>
21 #include <mono/utils/mono-compiler.h>
22 #include <mono/utils/mono-logger-internals.h>
23 #include <mono/utils/mono-membar.h>
24 #include <mono/utils/mono-counters.h>
25 #include <mono/utils/hazard-pointer.h>
26 #include <mono/utils/mono-tls.h>
27 #include <mono/utils/mono-mmap.h>
28 #include <mono/utils/mono-threads.h>
29 #include <mono/metadata/object.h>
30 #include <mono/metadata/object-internals.h>
31 #include <mono/metadata/domain-internals.h>
32 #include <mono/metadata/class-internals.h>
33 #include <mono/metadata/assembly.h>
34 #include <mono/metadata/exception.h>
35 #include <mono/metadata/metadata-internals.h>
36 #include <mono/metadata/gc-internals.h>
37 #include <mono/metadata/appdomain.h>
38 #include <mono/metadata/mono-debug-debugger.h>
39 #include <mono/metadata/mono-config.h>
40 #include <mono/metadata/threads-types.h>
41 #include <mono/metadata/runtime.h>
42 #include <metadata/threads.h>
43 #include <metadata/profiler-private.h>
44 #include <mono/metadata/coree.h>
46 //#define DEBUG_DOMAIN_UNLOAD 1
48 /* we need to use both the Tls* functions and __thread because
49 * some archs may generate faster jit code with one meachanism
50 * or the other (we used to do it because tls slots were GC-tracked,
51 * but we can't depend on this).
53 static MonoNativeTlsKey appdomain_thread_id;
55 #ifdef MONO_HAVE_FAST_TLS
57 MONO_FAST_TLS_DECLARE(tls_appdomain);
59 #define GET_APPDOMAIN() ((MonoDomain*)MONO_FAST_TLS_GET(tls_appdomain))
61 #define SET_APPDOMAIN(x) do { \
62 MonoThreadInfo *info; \
63 MONO_FAST_TLS_SET (tls_appdomain,x); \
64 mono_native_tls_set_value (appdomain_thread_id, x); \
65 mono_gc_set_current_thread_appdomain (x); \
66 info = mono_thread_info_current (); \
68 mono_thread_info_tls_set (info, TLS_KEY_DOMAIN, (x)); \
71 #else /* !MONO_HAVE_FAST_TLS */
73 #define GET_APPDOMAIN() ((MonoDomain *)mono_native_tls_get_value (appdomain_thread_id))
74 #define SET_APPDOMAIN(x) do { \
75 MonoThreadInfo *info; \
76 mono_native_tls_set_value (appdomain_thread_id, x); \
77 mono_gc_set_current_thread_appdomain (x); \
78 info = mono_thread_info_current (); \
80 mono_thread_info_tls_set (info, TLS_KEY_DOMAIN, (x)); \
85 #define GET_APPCONTEXT() (mono_thread_internal_current ()->current_appcontext)
86 #define SET_APPCONTEXT(x) MONO_OBJECT_SETREF (mono_thread_internal_current (), current_appcontext, (x))
88 static guint16 appdomain_list_size = 0;
89 static guint16 appdomain_next = 0;
90 static MonoDomain **appdomains_list = NULL;
91 static MonoImage *exe_image;
92 static gboolean debug_domain_unload;
94 gboolean mono_dont_free_domains;
96 #define mono_appdomains_lock() mono_coop_mutex_lock (&appdomains_mutex)
97 #define mono_appdomains_unlock() mono_coop_mutex_unlock (&appdomains_mutex)
98 static MonoCoopMutex appdomains_mutex;
100 static MonoDomain *mono_root_domain = NULL;
102 /* some statistics */
103 static int max_domain_code_size = 0;
104 static int max_domain_code_alloc = 0;
105 static int total_domain_code_alloc = 0;
107 /* AppConfigInfo: Information about runtime versions supported by an
111 GSList *supported_runtimes;
112 char *required_runtime;
113 int configuration_count;
117 static const MonoRuntimeInfo *current_runtime = NULL;
119 /* This is the list of runtime versions supported by this JIT.
121 static const MonoRuntimeInfo supported_runtimes[] = {
122 {"v4.0.30319","4.5", { {4,0,0,0}, {10,0,0,0}, {4,0,0,0}, {4,0,0,0} } },
123 {"mobile", "2.1", { {2,0,5,0}, {10,0,0,0}, {2,0,5,0}, {2,0,5,0} } },
124 {"moonlight", "2.1", { {2,0,5,0}, { 9,0,0,0}, {3,5,0,0}, {3,0,0,0} } },
128 /* The stable runtime version */
129 #define DEFAULT_RUNTIME_VERSION "v4.0.30319"
131 /* Callbacks installed by the JIT */
132 static MonoCreateDomainFunc create_domain_hook;
133 static MonoFreeDomainFunc free_domain_hook;
135 /* AOT cache configuration */
136 static MonoAotCacheConfig aot_cache_config;
139 get_runtimes_from_exe (const char *exe_file, MonoImage **exe_image, const MonoRuntimeInfo** runtimes);
141 static const MonoRuntimeInfo*
142 get_runtime_by_version (const char *version);
145 mono_domain_get_tls_key (void)
147 return appdomain_thread_id;
151 mono_domain_get_tls_offset (void)
156 if (appdomain_thread_id)
157 offset = appdomain_thread_id;
159 MONO_THREAD_VAR_OFFSET (tls_appdomain, offset);
164 #define ALIGN_TO(val,align) ((((guint64)val) + ((align) - 1)) & ~((align) - 1))
165 #define ALIGN_PTR_TO(ptr,align) (gpointer)((((gssize)(ptr)) + (align - 1)) & (~(align - 1)))
167 static LockFreeMempool*
168 lock_free_mempool_new (void)
170 return g_new0 (LockFreeMempool, 1);
174 lock_free_mempool_free (LockFreeMempool *mp)
176 LockFreeMempoolChunk *chunk, *next;
180 next = (LockFreeMempoolChunk *)chunk->prev;
181 mono_vfree (chunk, mono_pagesize ());
190 static LockFreeMempoolChunk*
191 lock_free_mempool_chunk_new (LockFreeMempool *mp, int len)
193 LockFreeMempoolChunk *chunk, *prev;
196 size = mono_pagesize ();
197 while (size - sizeof (LockFreeMempoolChunk) < len)
198 size += mono_pagesize ();
199 chunk = (LockFreeMempoolChunk *)mono_valloc (0, size, MONO_MMAP_READ|MONO_MMAP_WRITE);
201 chunk->mem = (guint8 *)ALIGN_PTR_TO ((char*)chunk + sizeof (LockFreeMempoolChunk), 16);
202 chunk->size = ((char*)chunk + size) - (char*)chunk->mem;
205 /* Add to list of chunks lock-free */
208 if (InterlockedCompareExchangePointer ((volatile gpointer*)&mp->chunks, chunk, prev) == prev)
220 lock_free_mempool_alloc0 (LockFreeMempool *mp, guint size)
222 LockFreeMempoolChunk *chunk;
226 // FIXME: Free the allocator
228 size = ALIGN_TO (size, 8);
231 chunk = lock_free_mempool_chunk_new (mp, size);
232 mono_memory_barrier ();
237 /* The code below is lock-free, 'chunk' is shared state */
238 oldpos = InterlockedExchangeAdd (&chunk->pos, size);
239 if (oldpos + size > chunk->size) {
240 chunk = lock_free_mempool_chunk_new (mp, size);
241 g_assert (chunk->pos + size <= chunk->size);
244 mono_memory_barrier ();
247 res = (char*)chunk->mem + oldpos;
254 mono_install_create_domain_hook (MonoCreateDomainFunc func)
256 create_domain_hook = func;
260 mono_install_free_domain_hook (MonoFreeDomainFunc func)
262 free_domain_hook = func;
267 * @s1: First string to compare
268 * @s2: Second string to compare
270 * Compares two `MonoString*` instances ordinally for equality.
272 * Returns FALSE if the strings differ.
275 mono_string_equal (MonoString *s1, MonoString *s2)
277 int l1 = mono_string_length (s1);
278 int l2 = mono_string_length (s2);
285 return memcmp (mono_string_chars (s1), mono_string_chars (s2), l1 * 2) == 0;
290 * @s: the string to hash
292 * Compute the hash for a `MonoString*`
293 * Returns the hash for the string.
296 mono_string_hash (MonoString *s)
298 const guint16 *p = mono_string_chars (s);
299 int i, len = mono_string_length (s);
302 for (i = 0; i < len; i++) {
303 h = (h << 5) - h + *p;
311 mono_ptrarray_equal (gpointer *s1, gpointer *s2)
313 int len = GPOINTER_TO_INT (s1 [0]);
314 if (len != GPOINTER_TO_INT (s2 [0]))
317 return memcmp (s1 + 1, s2 + 1, len * sizeof(gpointer)) == 0;
321 mono_ptrarray_hash (gpointer *s)
324 int len = GPOINTER_TO_INT (s [0]);
327 for (i = 1; i < len; i++)
328 hash += GPOINTER_TO_UINT (s [i]);
334 * Allocate an id for domain and set domain->domain_id.
335 * LOCKING: must be called while holding appdomains_mutex.
336 * We try to assign low numbers to the domain, so it can be used
337 * as an index in data tables to lookup domain-specific info
338 * with minimal memory overhead. We also try not to reuse the
339 * same id too quickly (to help debugging).
342 domain_id_alloc (MonoDomain *domain)
345 if (!appdomains_list) {
346 appdomain_list_size = 2;
347 appdomains_list = (MonoDomain **)mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "domains list");
349 for (i = appdomain_next; i < appdomain_list_size; ++i) {
350 if (!appdomains_list [i]) {
356 for (i = 0; i < appdomain_next; ++i) {
357 if (!appdomains_list [i]) {
364 MonoDomain **new_list;
365 int new_size = appdomain_list_size * 2;
366 if (new_size >= (1 << 16))
367 g_assert_not_reached ();
368 id = appdomain_list_size;
369 new_list = (MonoDomain **)mono_gc_alloc_fixed (new_size * sizeof (void*), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "domains list");
370 memcpy (new_list, appdomains_list, appdomain_list_size * sizeof (void*));
371 mono_gc_free_fixed (appdomains_list);
372 appdomains_list = new_list;
373 appdomain_list_size = new_size;
375 domain->domain_id = id;
376 appdomains_list [id] = domain;
378 if (appdomain_next > appdomain_list_size)
383 static gsize domain_gc_bitmap [sizeof(MonoDomain)/4/32 + 1];
384 static MonoGCDescriptor domain_gc_desc = MONO_GC_DESCRIPTOR_NULL;
385 static guint32 domain_shadow_serial = 0L;
388 * mono_domain_create:
390 * Creates a new application domain, the unmanaged representation
391 * of the actual domain. Usually you will want to create the
393 * Application domains provide an isolation facilty for assemblies. You
394 * can load assemblies and execute code in them that will not be visible
395 * to other application domains. This is a runtime-based virtualization
398 * It is possible to unload domains, which unloads the assemblies and
399 * data that was allocated in that domain.
401 * When a domain is created a mempool is allocated for domain-specific
402 * structures, along a dedicated code manager to hold code that is
403 * associated with the domain.
405 * Returns: New initialized MonoDomain, with no configuration or assemblies
409 mono_domain_create (void)
412 guint32 shadow_serial;
414 mono_appdomains_lock ();
415 shadow_serial = domain_shadow_serial++;
417 if (!domain_gc_desc) {
418 unsigned int i, bit = 0;
419 for (i = G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_OBJECT); i < G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_GC_TRACKED); i += sizeof (gpointer)) {
420 bit = i / sizeof (gpointer);
421 domain_gc_bitmap [bit / 32] |= (gsize) 1 << (bit % 32);
423 domain_gc_desc = mono_gc_make_descr_from_bitmap ((gsize*)domain_gc_bitmap, bit + 1);
425 mono_appdomains_unlock ();
429 * Boehm doesn't like roots inside GC allocated objects, and alloc_fixed returns
430 * a GC_MALLOC-ed object, contrary to the api docs. This causes random crashes when
431 * running the corlib test suite.
432 * To solve this, we pass a NULL descriptor, and don't register roots.
434 domain = (MonoDomain *)mono_gc_alloc_fixed (sizeof (MonoDomain), NULL, MONO_ROOT_SOURCE_DOMAIN, "domain object");
436 domain = (MonoDomain *)mono_gc_alloc_fixed (sizeof (MonoDomain), domain_gc_desc, MONO_ROOT_SOURCE_DOMAIN, "domain object");
437 mono_gc_register_root ((char*)&(domain->MONO_DOMAIN_FIRST_GC_TRACKED), G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_LAST_GC_TRACKED) - G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_GC_TRACKED), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "misc domain fields");
439 domain->shadow_serial = shadow_serial;
440 domain->domain = NULL;
441 domain->setup = NULL;
442 domain->friendly_name = NULL;
443 domain->search_path = NULL;
445 mono_profiler_appdomain_event (domain, MONO_PROFILE_START_LOAD);
447 domain->mp = mono_mempool_new ();
448 domain->code_mp = mono_code_manager_new ();
449 domain->lock_free_mp = lock_free_mempool_new ();
450 domain->env = mono_g_hash_table_new_type ((GHashFunc)mono_string_hash, (GCompareFunc)mono_string_equal, MONO_HASH_KEY_VALUE_GC, MONO_ROOT_SOURCE_DOMAIN, "domain environment variables table");
451 domain->domain_assemblies = NULL;
452 domain->assembly_bindings = NULL;
453 domain->assembly_bindings_parsed = FALSE;
454 domain->class_vtable_array = g_ptr_array_new ();
455 domain->proxy_vtable_hash = g_hash_table_new ((GHashFunc)mono_ptrarray_hash, (GCompareFunc)mono_ptrarray_equal);
456 domain->static_data_array = NULL;
457 mono_jit_code_hash_init (&domain->jit_code_hash);
458 domain->ldstr_table = mono_g_hash_table_new_type ((GHashFunc)mono_string_hash, (GCompareFunc)mono_string_equal, MONO_HASH_KEY_VALUE_GC, MONO_ROOT_SOURCE_DOMAIN, "domain string constants table");
459 domain->num_jit_info_tables = 1;
460 domain->jit_info_table = mono_jit_info_table_new (domain);
461 domain->jit_info_free_queue = NULL;
462 domain->finalizable_objects_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
463 domain->ftnptrs_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
465 mono_coop_mutex_init_recursive (&domain->lock);
467 mono_os_mutex_init_recursive (&domain->assemblies_lock);
468 mono_os_mutex_init_recursive (&domain->jit_code_hash_lock);
469 mono_os_mutex_init_recursive (&domain->finalizable_objects_hash_lock);
471 domain->method_rgctx_hash = NULL;
473 mono_appdomains_lock ();
474 domain_id_alloc (domain);
475 mono_appdomains_unlock ();
477 #ifndef DISABLE_PERFCOUNTERS
478 mono_perfcounters->loader_appdomains++;
479 mono_perfcounters->loader_total_appdomains++;
482 mono_debug_domain_create (domain);
484 if (create_domain_hook)
485 create_domain_hook (domain);
487 mono_profiler_appdomain_loaded (domain, MONO_PROFILE_OK);
493 * mono_init_internal:
495 * Creates the initial application domain and initializes the mono_defaults
497 * This function is guaranteed to not run any IL code.
498 * If exe_filename is not NULL, the method will determine the required runtime
499 * from the exe configuration file or the version PE field.
500 * If runtime_version is not NULL, that runtime version will be used.
501 * Either exe_filename or runtime_version must be provided.
503 * Returns: the initial domain.
506 mono_init_internal (const char *filename, const char *exe_filename, const char *runtime_version)
508 static MonoDomain *domain = NULL;
509 MonoAssembly *ass = NULL;
510 MonoImageOpenStatus status = MONO_IMAGE_OK;
511 const MonoRuntimeInfo* runtimes [G_N_ELEMENTS (supported_runtimes) + 1];
514 #ifdef DEBUG_DOMAIN_UNLOAD
515 debug_domain_unload = TRUE;
519 g_assert_not_reached ();
522 /* Avoid system error message boxes. */
523 SetErrorMode (SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
530 #ifndef DISABLE_PERFCOUNTERS
531 mono_perfcounters_init ();
533 mono_counters_init ();
535 mono_counters_register ("Max native code in a domain", MONO_COUNTER_INT|MONO_COUNTER_JIT, &max_domain_code_size);
536 mono_counters_register ("Max code space allocated in a domain", MONO_COUNTER_INT|MONO_COUNTER_JIT, &max_domain_code_alloc);
537 mono_counters_register ("Total code space allocated", MONO_COUNTER_INT|MONO_COUNTER_JIT, &total_domain_code_alloc);
539 mono_gc_base_init ();
540 mono_thread_info_attach (&dummy);
542 MONO_FAST_TLS_INIT (tls_appdomain);
543 mono_native_tls_alloc (&appdomain_thread_id, NULL);
545 mono_coop_mutex_init_recursive (&appdomains_mutex);
547 mono_metadata_init ();
549 mono_assemblies_init ();
550 mono_classes_init ();
552 mono_reflection_init ();
553 mono_runtime_init_tls ();
555 /* FIXME: When should we release this memory? */
556 MONO_GC_REGISTER_ROOT_FIXED (appdomains_list, MONO_ROOT_SOURCE_DOMAIN, "domains list");
558 domain = mono_domain_create ();
559 mono_root_domain = domain;
561 SET_APPDOMAIN (domain);
563 /* Get a list of runtimes supported by the exe */
564 if (exe_filename != NULL) {
566 * This function will load the exe file as a MonoImage. We need to close it, but
567 * that would mean it would be reloaded later. So instead, we save it to
568 * exe_image, and close it during shutdown.
570 get_runtimes_from_exe (exe_filename, &exe_image, runtimes);
573 exe_image = mono_assembly_open_from_bundle (exe_filename, NULL, FALSE);
575 exe_image = mono_image_open (exe_filename, NULL);
577 mono_fixup_exe_image (exe_image);
579 } else if (runtime_version != NULL) {
580 runtimes [0] = get_runtime_by_version (runtime_version);
584 if (runtimes [0] == NULL) {
585 const MonoRuntimeInfo *default_runtime = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
586 runtimes [0] = default_runtime;
588 g_print ("WARNING: The runtime version supported by this application is unavailable.\n");
589 g_print ("Using default runtime: %s\n", default_runtime->runtime_version);
592 /* The selected runtime will be the first one for which there is a mscrolib.dll */
593 for (n = 0; runtimes [n] != NULL && ass == NULL; n++) {
594 current_runtime = runtimes [n];
595 ass = mono_assembly_load_corlib (current_runtime, &status);
596 if (status != MONO_IMAGE_OK && status != MONO_IMAGE_ERROR_ERRNO)
601 if ((status != MONO_IMAGE_OK) || (ass == NULL)) {
603 case MONO_IMAGE_ERROR_ERRNO: {
604 char *corlib_file = g_build_filename (mono_assembly_getrootdir (), "mono", current_runtime->framework_version, "mscorlib.dll", NULL);
605 g_print ("The assembly mscorlib.dll was not found or could not be loaded.\n");
606 g_print ("It should have been installed in the `%s' directory.\n", corlib_file);
607 g_free (corlib_file);
610 case MONO_IMAGE_IMAGE_INVALID:
611 g_print ("The file %s/mscorlib.dll is an invalid CIL image\n",
612 mono_assembly_getrootdir ());
614 case MONO_IMAGE_MISSING_ASSEMBLYREF:
615 g_print ("Missing assembly reference in %s/mscorlib.dll\n",
616 mono_assembly_getrootdir ());
619 /* to suppress compiler warning */
625 mono_defaults.corlib = mono_assembly_get_image (ass);
627 mono_defaults.object_class = mono_class_from_name (
628 mono_defaults.corlib, "System", "Object");
629 g_assert (mono_defaults.object_class != 0);
631 mono_defaults.void_class = mono_class_from_name (
632 mono_defaults.corlib, "System", "Void");
633 g_assert (mono_defaults.void_class != 0);
635 mono_defaults.boolean_class = mono_class_from_name (
636 mono_defaults.corlib, "System", "Boolean");
637 g_assert (mono_defaults.boolean_class != 0);
639 mono_defaults.byte_class = mono_class_from_name (
640 mono_defaults.corlib, "System", "Byte");
641 g_assert (mono_defaults.byte_class != 0);
643 mono_defaults.sbyte_class = mono_class_from_name (
644 mono_defaults.corlib, "System", "SByte");
645 g_assert (mono_defaults.sbyte_class != 0);
647 mono_defaults.int16_class = mono_class_from_name (
648 mono_defaults.corlib, "System", "Int16");
649 g_assert (mono_defaults.int16_class != 0);
651 mono_defaults.uint16_class = mono_class_from_name (
652 mono_defaults.corlib, "System", "UInt16");
653 g_assert (mono_defaults.uint16_class != 0);
655 mono_defaults.int32_class = mono_class_from_name (
656 mono_defaults.corlib, "System", "Int32");
657 g_assert (mono_defaults.int32_class != 0);
659 mono_defaults.uint32_class = mono_class_from_name (
660 mono_defaults.corlib, "System", "UInt32");
661 g_assert (mono_defaults.uint32_class != 0);
663 mono_defaults.uint_class = mono_class_from_name (
664 mono_defaults.corlib, "System", "UIntPtr");
665 g_assert (mono_defaults.uint_class != 0);
667 mono_defaults.int_class = mono_class_from_name (
668 mono_defaults.corlib, "System", "IntPtr");
669 g_assert (mono_defaults.int_class != 0);
671 mono_defaults.int64_class = mono_class_from_name (
672 mono_defaults.corlib, "System", "Int64");
673 g_assert (mono_defaults.int64_class != 0);
675 mono_defaults.uint64_class = mono_class_from_name (
676 mono_defaults.corlib, "System", "UInt64");
677 g_assert (mono_defaults.uint64_class != 0);
679 mono_defaults.single_class = mono_class_from_name (
680 mono_defaults.corlib, "System", "Single");
681 g_assert (mono_defaults.single_class != 0);
683 mono_defaults.double_class = mono_class_from_name (
684 mono_defaults.corlib, "System", "Double");
685 g_assert (mono_defaults.double_class != 0);
687 mono_defaults.char_class = mono_class_from_name (
688 mono_defaults.corlib, "System", "Char");
689 g_assert (mono_defaults.char_class != 0);
691 mono_defaults.string_class = mono_class_from_name (
692 mono_defaults.corlib, "System", "String");
693 g_assert (mono_defaults.string_class != 0);
695 mono_defaults.enum_class = mono_class_from_name (
696 mono_defaults.corlib, "System", "Enum");
697 g_assert (mono_defaults.enum_class != 0);
699 mono_defaults.array_class = mono_class_from_name (
700 mono_defaults.corlib, "System", "Array");
701 g_assert (mono_defaults.array_class != 0);
703 mono_defaults.delegate_class = mono_class_from_name (
704 mono_defaults.corlib, "System", "Delegate");
705 g_assert (mono_defaults.delegate_class != 0 );
707 mono_defaults.multicastdelegate_class = mono_class_from_name (
708 mono_defaults.corlib, "System", "MulticastDelegate");
709 g_assert (mono_defaults.multicastdelegate_class != 0 );
711 mono_defaults.asyncresult_class = mono_class_from_name (
712 mono_defaults.corlib, "System.Runtime.Remoting.Messaging",
714 g_assert (mono_defaults.asyncresult_class != 0 );
716 mono_defaults.manualresetevent_class = mono_class_from_name (
717 mono_defaults.corlib, "System.Threading", "ManualResetEvent");
718 g_assert (mono_defaults.manualresetevent_class != 0 );
720 mono_defaults.typehandle_class = mono_class_from_name (
721 mono_defaults.corlib, "System", "RuntimeTypeHandle");
722 g_assert (mono_defaults.typehandle_class != 0);
724 mono_defaults.methodhandle_class = mono_class_from_name (
725 mono_defaults.corlib, "System", "RuntimeMethodHandle");
726 g_assert (mono_defaults.methodhandle_class != 0);
728 mono_defaults.fieldhandle_class = mono_class_from_name (
729 mono_defaults.corlib, "System", "RuntimeFieldHandle");
730 g_assert (mono_defaults.fieldhandle_class != 0);
732 mono_defaults.systemtype_class = mono_class_from_name (
733 mono_defaults.corlib, "System", "Type");
734 g_assert (mono_defaults.systemtype_class != 0);
736 mono_defaults.monotype_class = mono_class_from_name (
737 mono_defaults.corlib, "System", "MonoType");
738 g_assert (mono_defaults.monotype_class != 0);
740 mono_defaults.runtimetype_class = mono_class_from_name (
741 mono_defaults.corlib, "System", "RuntimeType");
742 g_assert (mono_defaults.runtimetype_class != 0);
744 mono_defaults.exception_class = mono_class_from_name (
745 mono_defaults.corlib, "System", "Exception");
746 g_assert (mono_defaults.exception_class != 0);
748 mono_defaults.threadabortexception_class = mono_class_from_name (
749 mono_defaults.corlib, "System.Threading", "ThreadAbortException");
750 g_assert (mono_defaults.threadabortexception_class != 0);
752 mono_defaults.thread_class = mono_class_from_name (
753 mono_defaults.corlib, "System.Threading", "Thread");
754 g_assert (mono_defaults.thread_class != 0);
756 mono_defaults.internal_thread_class = mono_class_from_name (
757 mono_defaults.corlib, "System.Threading", "InternalThread");
758 if (!mono_defaults.internal_thread_class) {
759 /* This can happen with an old mscorlib */
760 fprintf (stderr, "Corlib too old for this runtime.\n");
761 fprintf (stderr, "Loaded from: %s\n",
762 mono_defaults.corlib? mono_image_get_filename (mono_defaults.corlib): "unknown");
766 mono_defaults.appdomain_class = mono_class_from_name (
767 mono_defaults.corlib, "System", "AppDomain");
768 g_assert (mono_defaults.appdomain_class != 0);
770 #ifndef DISABLE_REMOTING
771 mono_defaults.transparent_proxy_class = mono_class_from_name (
772 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "TransparentProxy");
773 g_assert (mono_defaults.transparent_proxy_class != 0);
775 mono_defaults.real_proxy_class = mono_class_from_name (
776 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "RealProxy");
777 g_assert (mono_defaults.real_proxy_class != 0);
779 mono_defaults.marshalbyrefobject_class = mono_class_from_name (
780 mono_defaults.corlib, "System", "MarshalByRefObject");
781 g_assert (mono_defaults.marshalbyrefobject_class != 0);
783 mono_defaults.iremotingtypeinfo_class = mono_class_from_name (
784 mono_defaults.corlib, "System.Runtime.Remoting", "IRemotingTypeInfo");
785 g_assert (mono_defaults.iremotingtypeinfo_class != 0);
788 mono_defaults.mono_method_message_class = mono_class_from_name (
789 mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "MonoMethodMessage");
790 g_assert (mono_defaults.mono_method_message_class != 0);
792 mono_defaults.field_info_class = mono_class_from_name (
793 mono_defaults.corlib, "System.Reflection", "FieldInfo");
794 g_assert (mono_defaults.field_info_class != 0);
796 mono_defaults.method_info_class = mono_class_from_name (
797 mono_defaults.corlib, "System.Reflection", "MethodInfo");
798 g_assert (mono_defaults.method_info_class != 0);
800 mono_defaults.stringbuilder_class = mono_class_from_name (
801 mono_defaults.corlib, "System.Text", "StringBuilder");
802 g_assert (mono_defaults.stringbuilder_class != 0);
804 mono_defaults.math_class = mono_class_from_name (
805 mono_defaults.corlib, "System", "Math");
806 g_assert (mono_defaults.math_class != 0);
808 mono_defaults.stack_frame_class = mono_class_from_name (
809 mono_defaults.corlib, "System.Diagnostics", "StackFrame");
810 g_assert (mono_defaults.stack_frame_class != 0);
812 mono_defaults.stack_trace_class = mono_class_from_name (
813 mono_defaults.corlib, "System.Diagnostics", "StackTrace");
814 g_assert (mono_defaults.stack_trace_class != 0);
816 mono_defaults.marshal_class = mono_class_from_name (
817 mono_defaults.corlib, "System.Runtime.InteropServices", "Marshal");
818 g_assert (mono_defaults.marshal_class != 0);
820 mono_defaults.typed_reference_class = mono_class_from_name (
821 mono_defaults.corlib, "System", "TypedReference");
822 g_assert (mono_defaults.typed_reference_class != 0);
824 mono_defaults.argumenthandle_class = mono_class_from_name (
825 mono_defaults.corlib, "System", "RuntimeArgumentHandle");
826 g_assert (mono_defaults.argumenthandle_class != 0);
828 mono_defaults.monitor_class = mono_class_from_name (
829 mono_defaults.corlib, "System.Threading", "Monitor");
830 g_assert (mono_defaults.monitor_class != 0);
832 mono_defaults.runtimesecurityframe_class = mono_class_from_name (
833 mono_defaults.corlib, "System.Security", "RuntimeSecurityFrame");
835 mono_defaults.executioncontext_class = mono_class_from_name (
836 mono_defaults.corlib, "System.Threading", "ExecutionContext");
838 mono_defaults.internals_visible_class = mono_class_from_name (
839 mono_defaults.corlib, "System.Runtime.CompilerServices", "InternalsVisibleToAttribute");
841 mono_defaults.critical_finalizer_object = mono_class_from_name (
842 mono_defaults.corlib, "System.Runtime.ConstrainedExecution", "CriticalFinalizerObject");
845 * mscorlib needs a little help, only now it can load its friends list (after we have
846 * loaded the InternalsVisibleToAttribute), load it now
848 mono_assembly_load_friends (ass);
850 mono_defaults.safehandle_class = mono_class_from_name (
851 mono_defaults.corlib, "System.Runtime.InteropServices", "SafeHandle");
853 mono_defaults.handleref_class = mono_class_from_name (
854 mono_defaults.corlib, "System.Runtime.InteropServices", "HandleRef");
856 mono_defaults.attribute_class = mono_class_from_name (
857 mono_defaults.corlib, "System", "Attribute");
859 mono_defaults.customattribute_data_class = mono_class_from_name (
860 mono_defaults.corlib, "System.Reflection", "CustomAttributeData");
862 mono_class_init (mono_defaults.array_class);
863 mono_defaults.generic_nullable_class = mono_class_from_name (
864 mono_defaults.corlib, "System", "Nullable`1");
865 mono_defaults.generic_ilist_class = mono_class_from_name (
866 mono_defaults.corlib, "System.Collections.Generic", "IList`1");
867 mono_defaults.generic_ireadonlylist_class = mono_class_from_name (
868 mono_defaults.corlib, "System.Collections.Generic", "IReadOnlyList`1");
870 mono_defaults.threadpool_wait_callback_class = mono_class_from_name (
871 mono_defaults.corlib, "System.Threading", "_ThreadPoolWaitCallback");
872 if (!mono_defaults.threadpool_wait_callback_class) {
873 /* This can happen with an old mscorlib */
874 fprintf (stderr, "Corlib too old for this runtime.\n");
875 fprintf (stderr, "Loaded from: %s\n",
876 mono_defaults.corlib? mono_image_get_filename (mono_defaults.corlib): "unknown");
879 mono_defaults.threadpool_perform_wait_callback_method = mono_class_get_method_from_name (
880 mono_defaults.threadpool_wait_callback_class, "PerformWaitCallback", 0);
882 domain->friendly_name = g_path_get_basename (filename);
884 mono_profiler_appdomain_name (domain, domain->friendly_name);
892 * Creates the initial application domain and initializes the mono_defaults
895 * This function is guaranteed to not run any IL code.
896 * The runtime is initialized using the default runtime version.
898 * Returns: the initial domain.
901 mono_init (const char *domain_name)
903 return mono_init_internal (domain_name, NULL, DEFAULT_RUNTIME_VERSION);
907 * mono_init_from_assembly:
908 * @domain_name: name to give to the initial domain
909 * @filename: filename to load on startup
911 * Used by the runtime, users should use mono_jit_init instead.
913 * Creates the initial application domain and initializes the mono_defaults
915 * This function is guaranteed to not run any IL code.
916 * The runtime is initialized using the runtime version required by the
917 * provided executable. The version is determined by looking at the exe
918 * configuration file and the version PE field)
920 * Returns: the initial domain.
923 mono_init_from_assembly (const char *domain_name, const char *filename)
925 return mono_init_internal (domain_name, filename, NULL);
931 * Used by the runtime, users should use mono_jit_init instead.
933 * Creates the initial application domain and initializes the mono_defaults
936 * This function is guaranteed to not run any IL code.
937 * The runtime is initialized using the provided rutime version.
939 * Returns: the initial domain.
942 mono_init_version (const char *domain_name, const char *version)
944 return mono_init_internal (domain_name, NULL, version);
950 * Cleans up all metadata modules.
955 mono_close_exe_image ();
957 mono_defaults.corlib = NULL;
959 mono_config_cleanup ();
960 mono_loader_cleanup ();
961 mono_classes_cleanup ();
962 mono_assemblies_cleanup ();
963 mono_images_cleanup ();
964 mono_debug_cleanup ();
965 mono_metadata_cleanup ();
967 mono_native_tls_free (appdomain_thread_id);
968 mono_coop_mutex_destroy (&appdomains_mutex);
976 mono_close_exe_image (void)
979 mono_image_close (exe_image);
983 * mono_get_root_domain:
985 * The root AppDomain is the initial domain created by the runtime when it is
986 * initialized. Programs execute on this AppDomain, but can create new ones
987 * later. Currently there is no unmanaged API to create new AppDomains, this
988 * must be done from managed code.
990 * Returns: the root appdomain, to obtain the current domain, use mono_domain_get ()
993 mono_get_root_domain (void)
995 return mono_root_domain;
1001 * This method returns the value of the current MonoDomain that this thread
1002 * and code are running under. To obtain the root domain use
1003 * mono_get_root_domain() API.
1005 * Returns: the current domain
1010 return GET_APPDOMAIN ();
1014 mono_domain_unset (void)
1016 SET_APPDOMAIN (NULL);
1020 mono_domain_set_internal_with_options (MonoDomain *domain, gboolean migrate_exception)
1022 MonoInternalThread *thread;
1024 if (mono_domain_get () == domain)
1027 SET_APPDOMAIN (domain);
1028 SET_APPCONTEXT (domain->default_context);
1030 if (migrate_exception) {
1031 thread = mono_thread_internal_current ();
1032 if (!thread->abort_exc)
1035 g_assert (thread->abort_exc->object.vtable->domain != domain);
1036 MONO_OBJECT_SETREF (thread, abort_exc, mono_get_exception_thread_abort ());
1037 g_assert (thread->abort_exc->object.vtable->domain == domain);
1042 * mono_domain_set_internal:
1043 * @domain: the new domain
1045 * Sets the current domain to @domain.
1048 mono_domain_set_internal (MonoDomain *domain)
1050 mono_domain_set_internal_with_options (domain, TRUE);
1054 * mono_domain_foreach:
1055 * @func: function to invoke with the domain data
1056 * @user_data: user-defined pointer that is passed to the supplied @func fo reach domain
1058 * Use this method to safely iterate over all the loaded application
1059 * domains in the current runtime. The provided @func is invoked with a
1060 * pointer to the MonoDomain and is given the value of the @user_data
1061 * parameter which can be used to pass state to your called routine.
1064 mono_domain_foreach (MonoDomainFunc func, gpointer user_data)
1070 * Create a copy of the data to avoid calling the user callback
1071 * inside the lock because that could lead to deadlocks.
1072 * We can do this because this function is not perf. critical.
1074 mono_appdomains_lock ();
1075 size = appdomain_list_size;
1076 copy = (MonoDomain **)mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "temporary domains list");
1077 memcpy (copy, appdomains_list, appdomain_list_size * sizeof (void*));
1078 mono_appdomains_unlock ();
1080 for (i = 0; i < size; ++i) {
1082 func (copy [i], user_data);
1085 mono_gc_free_fixed (copy);
1089 * mono_domain_assembly_open:
1090 * @domain: the application domain
1091 * @name: file name of the assembly
1093 * fixme: maybe we should integrate this with mono_assembly_open ??
1096 mono_domain_assembly_open (MonoDomain *domain, const char *name)
1098 MonoDomain *current;
1102 mono_domain_assemblies_lock (domain);
1103 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1104 ass = (MonoAssembly *)tmp->data;
1105 if (strcmp (name, ass->aname.name) == 0) {
1106 mono_domain_assemblies_unlock (domain);
1110 mono_domain_assemblies_unlock (domain);
1112 if (domain != mono_domain_get ()) {
1113 current = mono_domain_get ();
1115 mono_domain_set (domain, FALSE);
1116 ass = mono_assembly_open (name, NULL);
1117 mono_domain_set (current, FALSE);
1119 ass = mono_assembly_open (name, NULL);
1126 unregister_vtable_reflection_type (MonoVTable *vtable)
1128 MonoObject *type = (MonoObject *)vtable->type;
1130 if (type->vtable->klass != mono_defaults.monotype_class)
1131 MONO_GC_UNREGISTER_ROOT_IF_MOVING (vtable->type);
1136 * @domain: the domain to release
1137 * @force: if true, it allows the root domain to be released (used at shutdown only).
1139 * This releases the resources associated with the specific domain.
1140 * This is a low-level function that is invoked by the AppDomain infrastructure
1144 mono_domain_free (MonoDomain *domain, gboolean force)
1146 int code_size, code_alloc;
1150 if ((domain == mono_root_domain) && !force) {
1151 g_warning ("cant unload root domain");
1155 if (mono_dont_free_domains)
1158 mono_profiler_appdomain_event (domain, MONO_PROFILE_START_UNLOAD);
1160 mono_debug_domain_unload (domain);
1162 mono_appdomains_lock ();
1163 appdomains_list [domain->domain_id] = NULL;
1164 mono_appdomains_unlock ();
1166 /* must do this early as it accesses fields and types */
1167 if (domain->special_static_fields) {
1168 mono_alloc_special_static_data_free (domain->special_static_fields);
1169 g_hash_table_destroy (domain->special_static_fields);
1170 domain->special_static_fields = NULL;
1174 * We must destroy all these hash tables here because they
1175 * contain references to managed objects belonging to the
1176 * domain. Once we let the GC clear the domain there must be
1177 * no more such references, or we'll crash if a collection
1180 mono_g_hash_table_destroy (domain->ldstr_table);
1181 domain->ldstr_table = NULL;
1183 mono_g_hash_table_destroy (domain->env);
1186 mono_reflection_cleanup_domain (domain);
1188 /* This must be done before type_hash is freed */
1189 if (domain->class_vtable_array) {
1191 for (i = 0; i < domain->class_vtable_array->len; ++i)
1192 unregister_vtable_reflection_type ((MonoVTable *)g_ptr_array_index (domain->class_vtable_array, i));
1195 if (domain->type_hash) {
1196 mono_g_hash_table_destroy (domain->type_hash);
1197 domain->type_hash = NULL;
1199 if (domain->type_init_exception_hash) {
1200 mono_g_hash_table_destroy (domain->type_init_exception_hash);
1201 domain->type_init_exception_hash = NULL;
1204 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1205 MonoAssembly *ass = (MonoAssembly *)tmp->data;
1206 mono_assembly_release_gc_roots (ass);
1209 /* Have to zero out reference fields since they will be invalidated by the clear_domain () call below */
1210 for (p = (gpointer*)&domain->MONO_DOMAIN_FIRST_OBJECT; p < (gpointer*)&domain->MONO_DOMAIN_FIRST_GC_TRACKED; ++p)
1213 /* This needs to be done before closing assemblies */
1214 mono_gc_clear_domain (domain);
1216 /* Close dynamic assemblies first, since they have no ref count */
1217 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1218 MonoAssembly *ass = (MonoAssembly *)tmp->data;
1219 if (!ass->image || !image_is_dynamic (ass->image))
1221 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);
1222 if (!mono_assembly_close_except_image_pools (ass))
1226 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1227 MonoAssembly *ass = (MonoAssembly *)tmp->data;
1230 if (!ass->image || image_is_dynamic (ass->image))
1232 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);
1233 if (!mono_assembly_close_except_image_pools (ass))
1237 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1238 MonoAssembly *ass = (MonoAssembly *)tmp->data;
1240 mono_assembly_close_finish (ass);
1242 g_slist_free (domain->domain_assemblies);
1243 domain->domain_assemblies = NULL;
1246 * Send this after the assemblies have been unloaded and the domain is still in a
1249 mono_profiler_appdomain_event (domain, MONO_PROFILE_END_UNLOAD);
1251 if (free_domain_hook)
1252 free_domain_hook (domain);
1254 /* FIXME: free delegate_hash_table when it's used */
1255 if (domain->search_path) {
1256 g_strfreev (domain->search_path);
1257 domain->search_path = NULL;
1259 domain->create_proxy_for_type_method = NULL;
1260 domain->private_invoke_method = NULL;
1261 domain->default_context = NULL;
1262 domain->out_of_memory_ex = NULL;
1263 domain->null_reference_ex = NULL;
1264 domain->stack_overflow_ex = NULL;
1265 domain->ephemeron_tombstone = NULL;
1266 domain->entry_assembly = NULL;
1268 g_free (domain->friendly_name);
1269 domain->friendly_name = NULL;
1270 g_ptr_array_free (domain->class_vtable_array, TRUE);
1271 domain->class_vtable_array = NULL;
1272 g_hash_table_destroy (domain->proxy_vtable_hash);
1273 domain->proxy_vtable_hash = NULL;
1274 if (domain->static_data_array) {
1275 mono_gc_free_fixed (domain->static_data_array);
1276 domain->static_data_array = NULL;
1278 mono_internal_hash_table_destroy (&domain->jit_code_hash);
1281 * There might still be jit info tables of this domain which
1282 * are not freed. Since the domain cannot be in use anymore,
1283 * this will free them.
1285 mono_thread_hazardous_try_free_all ();
1286 if (domain->aot_modules)
1287 mono_jit_info_table_free (domain->aot_modules);
1288 g_assert (domain->num_jit_info_tables == 1);
1289 mono_jit_info_table_free (domain->jit_info_table);
1290 domain->jit_info_table = NULL;
1291 g_assert (!domain->jit_info_free_queue);
1293 /* collect statistics */
1294 code_alloc = mono_code_manager_size (domain->code_mp, &code_size);
1295 total_domain_code_alloc += code_alloc;
1296 max_domain_code_alloc = MAX (max_domain_code_alloc, code_alloc);
1297 max_domain_code_size = MAX (max_domain_code_size, code_size);
1299 if (debug_domain_unload) {
1300 mono_mempool_invalidate (domain->mp);
1301 mono_code_manager_invalidate (domain->code_mp);
1303 #ifndef DISABLE_PERFCOUNTERS
1304 mono_perfcounters->loader_bytes -= mono_mempool_get_allocated (domain->mp);
1306 mono_mempool_destroy (domain->mp);
1308 mono_code_manager_destroy (domain->code_mp);
1309 domain->code_mp = NULL;
1311 lock_free_mempool_free (domain->lock_free_mp);
1312 domain->lock_free_mp = NULL;
1314 g_hash_table_destroy (domain->finalizable_objects_hash);
1315 domain->finalizable_objects_hash = NULL;
1316 if (domain->method_rgctx_hash) {
1317 g_hash_table_destroy (domain->method_rgctx_hash);
1318 domain->method_rgctx_hash = NULL;
1320 if (domain->generic_virtual_cases) {
1321 g_hash_table_destroy (domain->generic_virtual_cases);
1322 domain->generic_virtual_cases = NULL;
1324 if (domain->generic_virtual_thunks) {
1325 g_hash_table_destroy (domain->generic_virtual_thunks);
1326 domain->generic_virtual_thunks = NULL;
1328 if (domain->ftnptrs_hash) {
1329 g_hash_table_destroy (domain->ftnptrs_hash);
1330 domain->ftnptrs_hash = NULL;
1332 if (domain->method_to_dyn_method) {
1333 g_hash_table_destroy (domain->method_to_dyn_method);
1334 domain->method_to_dyn_method = NULL;
1337 mono_os_mutex_destroy (&domain->finalizable_objects_hash_lock);
1338 mono_os_mutex_destroy (&domain->assemblies_lock);
1339 mono_os_mutex_destroy (&domain->jit_code_hash_lock);
1341 mono_coop_mutex_destroy (&domain->lock);
1343 domain->setup = NULL;
1345 mono_gc_deregister_root ((char*)&(domain->MONO_DOMAIN_FIRST_GC_TRACKED));
1347 /* FIXME: anything else required ? */
1349 mono_gc_free_fixed (domain);
1351 #ifndef DISABLE_PERFCOUNTERS
1352 mono_perfcounters->loader_appdomains--;
1355 if (domain == mono_root_domain)
1356 mono_root_domain = NULL;
1360 * mono_domain_get_by_id:
1363 * Returns: the domain for a specific domain id.
1366 mono_domain_get_by_id (gint32 domainid)
1368 MonoDomain * domain;
1370 mono_appdomains_lock ();
1371 if (domainid < appdomain_list_size)
1372 domain = appdomains_list [domainid];
1375 mono_appdomains_unlock ();
1381 * mono_domain_get_id:
1383 * A domain ID is guaranteed to be unique for as long as the domain
1384 * using it is alive. It may be reused later once the domain has been
1387 * Returns: The unique ID for @domain.
1390 mono_domain_get_id (MonoDomain *domain)
1392 return domain->domain_id;
1396 * mono_domain_get_friendly_name:
1398 * The returned string's lifetime is the same as @domain's. Consider
1399 * copying it if you need to store it somewhere.
1401 * Returns: The friendly name of @domain. Can be NULL if not yet set.
1404 mono_domain_get_friendly_name (MonoDomain *domain)
1406 return domain->friendly_name;
1410 * mono_domain_alloc:
1412 * LOCKING: Acquires the domain lock.
1415 mono_domain_alloc (MonoDomain *domain, guint size)
1419 mono_domain_lock (domain);
1420 #ifndef DISABLE_PERFCOUNTERS
1421 mono_perfcounters->loader_bytes += size;
1423 res = mono_mempool_alloc (domain->mp, size);
1424 mono_domain_unlock (domain);
1430 * mono_domain_alloc0:
1432 * LOCKING: Acquires the domain lock.
1435 mono_domain_alloc0 (MonoDomain *domain, guint size)
1439 mono_domain_lock (domain);
1440 #ifndef DISABLE_PERFCOUNTERS
1441 mono_perfcounters->loader_bytes += size;
1443 res = mono_mempool_alloc0 (domain->mp, size);
1444 mono_domain_unlock (domain);
1450 mono_domain_alloc0_lock_free (MonoDomain *domain, guint size)
1452 return lock_free_mempool_alloc0 (domain->lock_free_mp, size);
1456 * mono_domain_code_reserve:
1458 * LOCKING: Acquires the domain lock.
1461 mono_domain_code_reserve (MonoDomain *domain, int size)
1465 mono_domain_lock (domain);
1466 res = mono_code_manager_reserve (domain->code_mp, size);
1467 mono_domain_unlock (domain);
1473 * mono_domain_code_reserve_align:
1475 * LOCKING: Acquires the domain lock.
1478 mono_domain_code_reserve_align (MonoDomain *domain, int size, int alignment)
1482 mono_domain_lock (domain);
1483 res = mono_code_manager_reserve_align (domain->code_mp, size, alignment);
1484 mono_domain_unlock (domain);
1490 * mono_domain_code_commit:
1492 * LOCKING: Acquires the domain lock.
1495 mono_domain_code_commit (MonoDomain *domain, void *data, int size, int newsize)
1497 mono_domain_lock (domain);
1498 mono_code_manager_commit (domain->code_mp, data, size, newsize);
1499 mono_domain_unlock (domain);
1502 #if defined(__native_client_codegen__) && defined(__native_client__)
1504 * Given the temporary buffer (allocated by mono_domain_code_reserve) into which
1505 * we are generating code, return a pointer to the destination in the dynamic
1506 * code segment into which the code will be copied when mono_domain_code_commit
1508 * LOCKING: Acquires the domain lock.
1511 nacl_domain_get_code_dest (MonoDomain *domain, void *data)
1514 mono_domain_lock (domain);
1515 dest = nacl_code_manager_get_code_dest (domain->code_mp, data);
1516 mono_domain_unlock (domain);
1521 * Convenience function which calls mono_domain_code_commit to validate and copy
1522 * the code. The caller sets *buf_base and *buf_size to the start and size of
1523 * the buffer (allocated by mono_domain_code_reserve), and *code_end to the byte
1524 * after the last instruction byte. On return, *buf_base will point to the start
1525 * of the copied in the code segment, and *code_end will point after the end of
1529 nacl_domain_code_validate (MonoDomain *domain, guint8 **buf_base, int buf_size, guint8 **code_end)
1531 guint8 *tmp = nacl_domain_get_code_dest (domain, *buf_base);
1532 mono_domain_code_commit (domain, *buf_base, buf_size, *code_end - *buf_base);
1533 *code_end = tmp + (*code_end - *buf_base);
1539 /* no-op versions of Native Client functions */
1542 nacl_domain_get_code_dest (MonoDomain *domain, void *data)
1548 nacl_domain_code_validate (MonoDomain *domain, guint8 **buf_base, int buf_size, guint8 **code_end)
1555 * mono_domain_code_foreach:
1556 * Iterate over the code thunks of the code manager of @domain.
1558 * The @func callback MUST not take any locks. If it really needs to, it must respect
1559 * the locking rules of the runtime: http://www.mono-project.com/Mono:Runtime:Documentation:ThreadSafety
1560 * LOCKING: Acquires the domain lock.
1564 mono_domain_code_foreach (MonoDomain *domain, MonoCodeManagerFunc func, void *user_data)
1566 mono_domain_lock (domain);
1567 mono_code_manager_foreach (domain->code_mp, func, user_data);
1568 mono_domain_unlock (domain);
1573 mono_context_set (MonoAppContext * new_context)
1575 SET_APPCONTEXT (new_context);
1581 * Returns: the current Mono Application Context.
1584 mono_context_get (void)
1586 return GET_APPCONTEXT ();
1590 * mono_context_get_id:
1591 * @context: the context to operate on.
1593 * Context IDs are guaranteed to be unique for the duration of a Mono
1594 * process; they are never reused.
1596 * Returns: The unique ID for @context.
1599 mono_context_get_id (MonoAppContext *context)
1601 return context->context_id;
1605 * mono_context_get_domain_id:
1606 * @context: the context to operate on.
1608 * Returns: The ID of the domain that @context was created in.
1611 mono_context_get_domain_id (MonoAppContext *context)
1613 return context->domain_id;
1616 /* LOCKING: the caller holds the lock for this domain */
1618 mono_domain_add_class_static_data (MonoDomain *domain, MonoClass *klass, gpointer data, guint32 *bitmap)
1620 /* The first entry in the array is the index of the next free slot
1621 * and the total size of the array
1624 if (domain->static_data_array) {
1625 int size = GPOINTER_TO_INT (domain->static_data_array [1]);
1626 next = GPOINTER_TO_INT (domain->static_data_array [0]);
1628 /* 'data' is allocated by alloc_fixed */
1629 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");
1630 mono_gc_memmove_aligned (new_array, domain->static_data_array, sizeof (gpointer) * size);
1632 new_array [1] = GINT_TO_POINTER (size);
1633 mono_gc_free_fixed (domain->static_data_array);
1634 domain->static_data_array = new_array;
1638 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");
1640 new_array [0] = GINT_TO_POINTER (next);
1641 new_array [1] = GINT_TO_POINTER (size);
1642 domain->static_data_array = new_array;
1644 domain->static_data_array [next++] = data;
1645 domain->static_data_array [0] = GINT_TO_POINTER (next);
1651 * Use this function to get the `MonoImage*` for the mscorlib.dll assembly
1653 * Returns: The MonoImage for mscorlib.dll
1656 mono_get_corlib (void)
1658 return mono_defaults.corlib;
1662 * mono_get_object_class:
1664 * Use this function to get the `MonoClass*` that the runtime is using for `System.Object`.
1666 * Returns: The `MonoClass*` for the `System.Object` type.
1669 mono_get_object_class (void)
1671 return mono_defaults.object_class;
1675 * mono_get_byte_class:
1677 * Use this function to get the `MonoClass*` that the runtime is using for `System.Byte`.
1679 * Returns: The `MonoClass*` for the `System.Byte` type.
1682 mono_get_byte_class (void)
1684 return mono_defaults.byte_class;
1688 * mono_get_void_class:
1690 * Use this function to get the `MonoClass*` that the runtime is using for `System.Void`.
1692 * Returns: The `MonoClass*` for the `System.Void` type.
1695 mono_get_void_class (void)
1697 return mono_defaults.void_class;
1701 * mono_get_boolean_class:
1703 * Use this function to get the `MonoClass*` that the runtime is using for `System.Boolean`.
1705 * Returns: The `MonoClass*` for the `System.Boolean` type.
1708 mono_get_boolean_class (void)
1710 return mono_defaults.boolean_class;
1714 * mono_get_sbyte_class:
1716 * Use this function to get the `MonoClass*` that the runtime is using for `System.SByte`.
1718 * Returns: The `MonoClass*` for the `System.SByte` type.
1721 mono_get_sbyte_class (void)
1723 return mono_defaults.sbyte_class;
1727 * mono_get_int16_class:
1729 * Use this function to get the `MonoClass*` that the runtime is using for `System.Int16`.
1731 * Returns: The `MonoClass*` for the `System.Int16` type.
1734 mono_get_int16_class (void)
1736 return mono_defaults.int16_class;
1740 * mono_get_uint16_class:
1742 * Use this function to get the `MonoClass*` that the runtime is using for `System.UInt16`.
1744 * Returns: The `MonoClass*` for the `System.UInt16` type.
1747 mono_get_uint16_class (void)
1749 return mono_defaults.uint16_class;
1753 * mono_get_int32_class:
1755 * Use this function to get the `MonoClass*` that the runtime is using for `System.Int32`.
1757 * Returns: The `MonoClass*` for the `System.Int32` type.
1760 mono_get_int32_class (void)
1762 return mono_defaults.int32_class;
1766 * mono_get_uint32_class:
1768 * Use this function to get the `MonoClass*` that the runtime is using for `System.UInt32`.
1770 * Returns: The `MonoClass*` for the `System.UInt32` type.
1773 mono_get_uint32_class (void)
1775 return mono_defaults.uint32_class;
1779 * mono_get_intptr_class:
1781 * Use this function to get the `MonoClass*` that the runtime is using for `System.IntPtr`.
1783 * Returns: The `MonoClass*` for the `System.IntPtr` type.
1786 mono_get_intptr_class (void)
1788 return mono_defaults.int_class;
1792 * mono_get_uintptr_class:
1794 * Use this function to get the `MonoClass*` that the runtime is using for `System.UIntPtr`.
1796 * Returns: The `MonoClass*` for the `System.UIntPtr` type.
1799 mono_get_uintptr_class (void)
1801 return mono_defaults.uint_class;
1805 * mono_get_int64_class:
1807 * Use this function to get the `MonoClass*` that the runtime is using for `System.Int64`.
1809 * Returns: The `MonoClass*` for the `System.Int64` type.
1812 mono_get_int64_class (void)
1814 return mono_defaults.int64_class;
1818 * mono_get_uint64_class:
1820 * Use this function to get the `MonoClass*` that the runtime is using for `System.UInt64`.
1822 * Returns: The `MonoClass*` for the `System.UInt64` type.
1825 mono_get_uint64_class (void)
1827 return mono_defaults.uint64_class;
1831 * mono_get_single_class:
1833 * Use this function to get the `MonoClass*` that the runtime is using for `System.Single` (32-bit floating points).
1835 * Returns: The `MonoClass*` for the `System.Single` type.
1838 mono_get_single_class (void)
1840 return mono_defaults.single_class;
1844 * mono_get_double_class:
1846 * Use this function to get the `MonoClass*` that the runtime is using for `System.Double` (64-bit floating points).
1848 * Returns: The `MonoClass*` for the `System.Double` type.
1851 mono_get_double_class (void)
1853 return mono_defaults.double_class;
1857 * mono_get_char_class:
1859 * Use this function to get the `MonoClass*` that the runtime is using for `System.Char`.
1861 * Returns: The `MonoClass*` for the `System.Char` type.
1864 mono_get_char_class (void)
1866 return mono_defaults.char_class;
1870 * mono_get_string_class:
1872 * Use this function to get the `MonoClass*` that the runtime is using for `System.String`.
1874 * Returns: The `MonoClass*` for the `System.String` type.
1877 mono_get_string_class (void)
1879 return mono_defaults.string_class;
1883 * mono_get_enum_class:
1885 * Use this function to get the `MonoClass*` that the runtime is using for `System.Enum`.
1887 * Returns: The `MonoClass*` for the `System.Enum` type.
1890 mono_get_enum_class (void)
1892 return mono_defaults.enum_class;
1896 * mono_get_array_class:
1898 * Use this function to get the `MonoClass*` that the runtime is using for `System.Array`.
1900 * Returns: The `MonoClass*` for the `System.Array` type.
1903 mono_get_array_class (void)
1905 return mono_defaults.array_class;
1909 * mono_get_thread_class:
1911 * Use this function to get the `MonoClass*` that the runtime is using for `System.Threading.Thread`.
1913 * Returns: The `MonoClass*` for the `System.Threading.Thread` type.
1916 mono_get_thread_class (void)
1918 return mono_defaults.thread_class;
1922 * mono_get_exception_class:
1924 * Use this function to get the `MonoClass*` that the runtime is using for `System.Exception`.
1926 * Returns: The `MonoClass*` for the `` type.
1929 mono_get_exception_class (void)
1931 return mono_defaults.exception_class;
1935 static char* get_attribute_value (const gchar **attribute_names,
1936 const gchar **attribute_values,
1937 const char *att_name)
1940 for (n=0; attribute_names[n] != NULL; n++) {
1941 if (strcmp (attribute_names[n], att_name) == 0)
1942 return g_strdup (attribute_values[n]);
1947 static void start_element (GMarkupParseContext *context,
1948 const gchar *element_name,
1949 const gchar **attribute_names,
1950 const gchar **attribute_values,
1954 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
1956 if (strcmp (element_name, "configuration") == 0) {
1957 app_config->configuration_count++;
1960 if (strcmp (element_name, "startup") == 0) {
1961 app_config->startup_count++;
1965 if (app_config->configuration_count != 1 || app_config->startup_count != 1)
1968 if (strcmp (element_name, "requiredRuntime") == 0) {
1969 app_config->required_runtime = get_attribute_value (attribute_names, attribute_values, "version");
1970 } else if (strcmp (element_name, "supportedRuntime") == 0) {
1971 char *version = get_attribute_value (attribute_names, attribute_values, "version");
1972 app_config->supported_runtimes = g_slist_append (app_config->supported_runtimes, version);
1976 static void end_element (GMarkupParseContext *context,
1977 const gchar *element_name,
1981 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
1983 if (strcmp (element_name, "configuration") == 0) {
1984 app_config->configuration_count--;
1985 } else if (strcmp (element_name, "startup") == 0) {
1986 app_config->startup_count--;
1990 static const GMarkupParser
1999 static AppConfigInfo *
2000 app_config_parse (const char *exe_filename)
2002 AppConfigInfo *app_config;
2003 GMarkupParseContext *context;
2006 const char *bundled_config;
2007 char *config_filename;
2009 bundled_config = mono_config_string_for_assembly_file (exe_filename);
2011 if (bundled_config) {
2012 text = g_strdup (bundled_config);
2013 len = strlen (text);
2015 config_filename = g_strconcat (exe_filename, ".config", NULL);
2017 if (!g_file_get_contents (config_filename, &text, &len, NULL)) {
2018 g_free (config_filename);
2021 g_free (config_filename);
2024 app_config = g_new0 (AppConfigInfo, 1);
2026 context = g_markup_parse_context_new (&mono_parser, (GMarkupParseFlags)0, app_config, NULL);
2027 if (g_markup_parse_context_parse (context, text, len, NULL)) {
2028 g_markup_parse_context_end_parse (context, NULL);
2030 g_markup_parse_context_free (context);
2036 app_config_free (AppConfigInfo* app_config)
2039 GSList *list = app_config->supported_runtimes;
2040 while (list != NULL) {
2041 rt = (char*)list->data;
2043 list = g_slist_next (list);
2045 g_slist_free (app_config->supported_runtimes);
2046 g_free (app_config->required_runtime);
2047 g_free (app_config);
2051 static const MonoRuntimeInfo*
2052 get_runtime_by_version (const char *version)
2055 int max = G_N_ELEMENTS (supported_runtimes);
2061 for (n=0; n<max; n++) {
2062 if (strcmp (version, supported_runtimes[n].runtime_version) == 0)
2063 return &supported_runtimes[n];
2066 vlen = strlen (version);
2067 if (vlen >= 4 && version [1] - '0' >= 4) {
2068 for (n=0; n<max; n++) {
2069 if (strncmp (version, supported_runtimes[n].runtime_version, 4) == 0)
2070 return &supported_runtimes[n];
2078 get_runtimes_from_exe (const char *exe_file, MonoImage **exe_image, const MonoRuntimeInfo** runtimes)
2080 AppConfigInfo* app_config;
2082 const MonoRuntimeInfo* runtime = NULL;
2083 MonoImage *image = NULL;
2085 app_config = app_config_parse (exe_file);
2087 if (app_config != NULL) {
2088 /* Check supportedRuntime elements, if none is supported, fail.
2089 * If there are no such elements, look for a requiredRuntime element.
2091 if (app_config->supported_runtimes != NULL) {
2093 GSList *list = app_config->supported_runtimes;
2094 while (list != NULL) {
2095 version = (char*) list->data;
2096 runtime = get_runtime_by_version (version);
2097 if (runtime != NULL)
2098 runtimes [n++] = runtime;
2099 list = g_slist_next (list);
2101 runtimes [n] = NULL;
2102 app_config_free (app_config);
2106 /* Check the requiredRuntime element. This is for 1.0 apps only. */
2107 if (app_config->required_runtime != NULL) {
2108 runtimes [0] = get_runtime_by_version (app_config->required_runtime);
2109 runtimes [1] = NULL;
2110 app_config_free (app_config);
2113 app_config_free (app_config);
2116 /* Look for a runtime with the exact version */
2117 image = mono_assembly_open_from_bundle (exe_file, NULL, FALSE);
2120 image = mono_image_open (exe_file, NULL);
2122 if (image == NULL) {
2123 /* The image is wrong or the file was not found. In this case return
2124 * a default runtime and leave to the initialization method the work of
2125 * reporting the error.
2127 runtimes [0] = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
2128 runtimes [1] = NULL;
2134 runtimes [0] = get_runtime_by_version (image->version);
2135 runtimes [1] = NULL;
2140 * mono_get_runtime_info:
2142 * Returns: the version of the current runtime instance.
2144 const MonoRuntimeInfo*
2145 mono_get_runtime_info (void)
2147 return current_runtime;
2151 * mono_framework_version:
2153 * Return the major version of the framework curently executing.
2156 mono_framework_version (void)
2158 return current_runtime->framework_version [0] - '0';
2162 mono_enable_debug_domain_unload (gboolean enable)
2164 debug_domain_unload = enable;
2167 MonoAotCacheConfig *
2168 mono_get_aot_cache_config (void)
2170 return &aot_cache_config;
2174 mono_domain_lock (MonoDomain *domain)
2176 mono_locks_coop_acquire (&domain->lock, DomainLock);
2180 mono_domain_unlock (MonoDomain *domain)
2182 mono_locks_coop_release (&domain->lock, DomainLock);