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;
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 = mono_valloc (0, size, MONO_MMAP_READ|MONO_MMAP_WRITE);
201 chunk->mem = 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 * Returns FALSE if the strings differ.
273 mono_string_equal (MonoString *s1, MonoString *s2)
275 int l1 = mono_string_length (s1);
276 int l2 = mono_string_length (s2);
283 return memcmp (mono_string_chars (s1), mono_string_chars (s2), l1 * 2) == 0;
288 * @s: the string to hash
290 * Returns the hash for the string.
293 mono_string_hash (MonoString *s)
295 const guint16 *p = mono_string_chars (s);
296 int i, len = mono_string_length (s);
299 for (i = 0; i < len; i++) {
300 h = (h << 5) - h + *p;
308 mono_ptrarray_equal (gpointer *s1, gpointer *s2)
310 int len = GPOINTER_TO_INT (s1 [0]);
311 if (len != GPOINTER_TO_INT (s2 [0]))
314 return memcmp (s1 + 1, s2 + 1, len * sizeof(gpointer)) == 0;
318 mono_ptrarray_hash (gpointer *s)
321 int len = GPOINTER_TO_INT (s [0]);
324 for (i = 1; i < len; i++)
325 hash += GPOINTER_TO_UINT (s [i]);
331 * Allocate an id for domain and set domain->domain_id.
332 * LOCKING: must be called while holding appdomains_mutex.
333 * We try to assign low numbers to the domain, so it can be used
334 * as an index in data tables to lookup domain-specific info
335 * with minimal memory overhead. We also try not to reuse the
336 * same id too quickly (to help debugging).
339 domain_id_alloc (MonoDomain *domain)
342 if (!appdomains_list) {
343 appdomain_list_size = 2;
344 appdomains_list = mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "domains list");
346 for (i = appdomain_next; i < appdomain_list_size; ++i) {
347 if (!appdomains_list [i]) {
353 for (i = 0; i < appdomain_next; ++i) {
354 if (!appdomains_list [i]) {
361 MonoDomain **new_list;
362 int new_size = appdomain_list_size * 2;
363 if (new_size >= (1 << 16))
364 g_assert_not_reached ();
365 id = appdomain_list_size;
366 new_list = mono_gc_alloc_fixed (new_size * sizeof (void*), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "domains list");
367 memcpy (new_list, appdomains_list, appdomain_list_size * sizeof (void*));
368 mono_gc_free_fixed (appdomains_list);
369 appdomains_list = new_list;
370 appdomain_list_size = new_size;
372 domain->domain_id = id;
373 appdomains_list [id] = domain;
375 if (appdomain_next > appdomain_list_size)
380 static gsize domain_gc_bitmap [sizeof(MonoDomain)/4/32 + 1];
381 static MonoGCDescriptor domain_gc_desc = MONO_GC_DESCRIPTOR_NULL;
382 static guint32 domain_shadow_serial = 0L;
385 mono_domain_create (void)
388 guint32 shadow_serial;
390 mono_appdomains_lock ();
391 shadow_serial = domain_shadow_serial++;
393 if (!domain_gc_desc) {
394 unsigned int i, bit = 0;
395 for (i = G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_OBJECT); i < G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_GC_TRACKED); i += sizeof (gpointer)) {
396 bit = i / sizeof (gpointer);
397 domain_gc_bitmap [bit / 32] |= (gsize) 1 << (bit % 32);
399 domain_gc_desc = mono_gc_make_descr_from_bitmap ((gsize*)domain_gc_bitmap, bit + 1);
401 mono_appdomains_unlock ();
405 * Boehm doesn't like roots inside GC allocated objects, and alloc_fixed returns
406 * a GC_MALLOC-ed object, contrary to the api docs. This causes random crashes when
407 * running the corlib test suite.
408 * To solve this, we pass a NULL descriptor, and don't register roots.
410 domain = mono_gc_alloc_fixed (sizeof (MonoDomain), NULL, MONO_ROOT_SOURCE_DOMAIN, "domain object");
412 domain = mono_gc_alloc_fixed (sizeof (MonoDomain), domain_gc_desc, MONO_ROOT_SOURCE_DOMAIN, "domain object");
413 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");
415 domain->shadow_serial = shadow_serial;
416 domain->domain = NULL;
417 domain->setup = NULL;
418 domain->friendly_name = NULL;
419 domain->search_path = NULL;
421 mono_profiler_appdomain_event (domain, MONO_PROFILE_START_LOAD);
423 domain->mp = mono_mempool_new ();
424 domain->code_mp = mono_code_manager_new ();
425 domain->lock_free_mp = lock_free_mempool_new ();
426 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");
427 domain->domain_assemblies = NULL;
428 domain->assembly_bindings = NULL;
429 domain->assembly_bindings_parsed = FALSE;
430 domain->class_vtable_array = g_ptr_array_new ();
431 domain->proxy_vtable_hash = g_hash_table_new ((GHashFunc)mono_ptrarray_hash, (GCompareFunc)mono_ptrarray_equal);
432 domain->static_data_array = NULL;
433 mono_jit_code_hash_init (&domain->jit_code_hash);
434 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");
435 domain->num_jit_info_tables = 1;
436 domain->jit_info_table = mono_jit_info_table_new (domain);
437 domain->jit_info_free_queue = NULL;
438 domain->finalizable_objects_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
439 domain->ftnptrs_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
441 mono_coop_mutex_init_recursive (&domain->lock);
443 mono_os_mutex_init_recursive (&domain->assemblies_lock);
444 mono_os_mutex_init_recursive (&domain->jit_code_hash_lock);
445 mono_os_mutex_init_recursive (&domain->finalizable_objects_hash_lock);
447 domain->method_rgctx_hash = NULL;
449 mono_appdomains_lock ();
450 domain_id_alloc (domain);
451 mono_appdomains_unlock ();
453 #ifndef DISABLE_PERFCOUNTERS
454 mono_perfcounters->loader_appdomains++;
455 mono_perfcounters->loader_total_appdomains++;
458 mono_debug_domain_create (domain);
460 if (create_domain_hook)
461 create_domain_hook (domain);
463 mono_profiler_appdomain_loaded (domain, MONO_PROFILE_OK);
469 * mono_init_internal:
471 * Creates the initial application domain and initializes the mono_defaults
473 * This function is guaranteed to not run any IL code.
474 * If exe_filename is not NULL, the method will determine the required runtime
475 * from the exe configuration file or the version PE field.
476 * If runtime_version is not NULL, that runtime version will be used.
477 * Either exe_filename or runtime_version must be provided.
479 * Returns: the initial domain.
482 mono_init_internal (const char *filename, const char *exe_filename, const char *runtime_version)
484 static MonoDomain *domain = NULL;
485 MonoAssembly *ass = NULL;
486 MonoImageOpenStatus status = MONO_IMAGE_OK;
487 const MonoRuntimeInfo* runtimes [G_N_ELEMENTS (supported_runtimes) + 1];
490 #ifdef DEBUG_DOMAIN_UNLOAD
491 debug_domain_unload = TRUE;
495 g_assert_not_reached ();
498 /* Avoid system error message boxes. */
499 SetErrorMode (SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
506 #ifndef DISABLE_PERFCOUNTERS
507 mono_perfcounters_init ();
509 mono_counters_init ();
511 mono_counters_register ("Max native code in a domain", MONO_COUNTER_INT|MONO_COUNTER_JIT, &max_domain_code_size);
512 mono_counters_register ("Max code space allocated in a domain", MONO_COUNTER_INT|MONO_COUNTER_JIT, &max_domain_code_alloc);
513 mono_counters_register ("Total code space allocated", MONO_COUNTER_INT|MONO_COUNTER_JIT, &total_domain_code_alloc);
515 mono_gc_base_init ();
516 mono_thread_info_attach (&dummy);
518 MONO_FAST_TLS_INIT (tls_appdomain);
519 mono_native_tls_alloc (&appdomain_thread_id, NULL);
521 mono_coop_mutex_init_recursive (&appdomains_mutex);
523 mono_metadata_init ();
525 mono_assemblies_init ();
526 mono_classes_init ();
528 mono_reflection_init ();
529 mono_runtime_init_tls ();
531 /* FIXME: When should we release this memory? */
532 MONO_GC_REGISTER_ROOT_FIXED (appdomains_list, MONO_ROOT_SOURCE_DOMAIN, "domains list");
534 domain = mono_domain_create ();
535 mono_root_domain = domain;
537 SET_APPDOMAIN (domain);
539 /* Get a list of runtimes supported by the exe */
540 if (exe_filename != NULL) {
542 * This function will load the exe file as a MonoImage. We need to close it, but
543 * that would mean it would be reloaded later. So instead, we save it to
544 * exe_image, and close it during shutdown.
546 get_runtimes_from_exe (exe_filename, &exe_image, runtimes);
549 exe_image = mono_assembly_open_from_bundle (exe_filename, NULL, FALSE);
551 exe_image = mono_image_open (exe_filename, NULL);
553 mono_fixup_exe_image (exe_image);
555 } else if (runtime_version != NULL) {
556 runtimes [0] = get_runtime_by_version (runtime_version);
560 if (runtimes [0] == NULL) {
561 const MonoRuntimeInfo *default_runtime = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
562 runtimes [0] = default_runtime;
564 g_print ("WARNING: The runtime version supported by this application is unavailable.\n");
565 g_print ("Using default runtime: %s\n", default_runtime->runtime_version);
568 /* The selected runtime will be the first one for which there is a mscrolib.dll */
569 for (n = 0; runtimes [n] != NULL && ass == NULL; n++) {
570 current_runtime = runtimes [n];
571 ass = mono_assembly_load_corlib (current_runtime, &status);
572 if (status != MONO_IMAGE_OK && status != MONO_IMAGE_ERROR_ERRNO)
577 if ((status != MONO_IMAGE_OK) || (ass == NULL)) {
579 case MONO_IMAGE_ERROR_ERRNO: {
580 char *corlib_file = g_build_filename (mono_assembly_getrootdir (), "mono", current_runtime->framework_version, "mscorlib.dll", NULL);
581 g_print ("The assembly mscorlib.dll was not found or could not be loaded.\n");
582 g_print ("It should have been installed in the `%s' directory.\n", corlib_file);
583 g_free (corlib_file);
586 case MONO_IMAGE_IMAGE_INVALID:
587 g_print ("The file %s/mscorlib.dll is an invalid CIL image\n",
588 mono_assembly_getrootdir ());
590 case MONO_IMAGE_MISSING_ASSEMBLYREF:
591 g_print ("Missing assembly reference in %s/mscorlib.dll\n",
592 mono_assembly_getrootdir ());
595 /* to suppress compiler warning */
601 mono_defaults.corlib = mono_assembly_get_image (ass);
603 mono_defaults.object_class = mono_class_from_name (
604 mono_defaults.corlib, "System", "Object");
605 g_assert (mono_defaults.object_class != 0);
607 mono_defaults.void_class = mono_class_from_name (
608 mono_defaults.corlib, "System", "Void");
609 g_assert (mono_defaults.void_class != 0);
611 mono_defaults.boolean_class = mono_class_from_name (
612 mono_defaults.corlib, "System", "Boolean");
613 g_assert (mono_defaults.boolean_class != 0);
615 mono_defaults.byte_class = mono_class_from_name (
616 mono_defaults.corlib, "System", "Byte");
617 g_assert (mono_defaults.byte_class != 0);
619 mono_defaults.sbyte_class = mono_class_from_name (
620 mono_defaults.corlib, "System", "SByte");
621 g_assert (mono_defaults.sbyte_class != 0);
623 mono_defaults.int16_class = mono_class_from_name (
624 mono_defaults.corlib, "System", "Int16");
625 g_assert (mono_defaults.int16_class != 0);
627 mono_defaults.uint16_class = mono_class_from_name (
628 mono_defaults.corlib, "System", "UInt16");
629 g_assert (mono_defaults.uint16_class != 0);
631 mono_defaults.int32_class = mono_class_from_name (
632 mono_defaults.corlib, "System", "Int32");
633 g_assert (mono_defaults.int32_class != 0);
635 mono_defaults.uint32_class = mono_class_from_name (
636 mono_defaults.corlib, "System", "UInt32");
637 g_assert (mono_defaults.uint32_class != 0);
639 mono_defaults.uint_class = mono_class_from_name (
640 mono_defaults.corlib, "System", "UIntPtr");
641 g_assert (mono_defaults.uint_class != 0);
643 mono_defaults.int_class = mono_class_from_name (
644 mono_defaults.corlib, "System", "IntPtr");
645 g_assert (mono_defaults.int_class != 0);
647 mono_defaults.int64_class = mono_class_from_name (
648 mono_defaults.corlib, "System", "Int64");
649 g_assert (mono_defaults.int64_class != 0);
651 mono_defaults.uint64_class = mono_class_from_name (
652 mono_defaults.corlib, "System", "UInt64");
653 g_assert (mono_defaults.uint64_class != 0);
655 mono_defaults.single_class = mono_class_from_name (
656 mono_defaults.corlib, "System", "Single");
657 g_assert (mono_defaults.single_class != 0);
659 mono_defaults.double_class = mono_class_from_name (
660 mono_defaults.corlib, "System", "Double");
661 g_assert (mono_defaults.double_class != 0);
663 mono_defaults.char_class = mono_class_from_name (
664 mono_defaults.corlib, "System", "Char");
665 g_assert (mono_defaults.char_class != 0);
667 mono_defaults.string_class = mono_class_from_name (
668 mono_defaults.corlib, "System", "String");
669 g_assert (mono_defaults.string_class != 0);
671 mono_defaults.enum_class = mono_class_from_name (
672 mono_defaults.corlib, "System", "Enum");
673 g_assert (mono_defaults.enum_class != 0);
675 mono_defaults.array_class = mono_class_from_name (
676 mono_defaults.corlib, "System", "Array");
677 g_assert (mono_defaults.array_class != 0);
679 mono_defaults.delegate_class = mono_class_from_name (
680 mono_defaults.corlib, "System", "Delegate");
681 g_assert (mono_defaults.delegate_class != 0 );
683 mono_defaults.multicastdelegate_class = mono_class_from_name (
684 mono_defaults.corlib, "System", "MulticastDelegate");
685 g_assert (mono_defaults.multicastdelegate_class != 0 );
687 mono_defaults.asyncresult_class = mono_class_from_name (
688 mono_defaults.corlib, "System.Runtime.Remoting.Messaging",
690 g_assert (mono_defaults.asyncresult_class != 0 );
692 mono_defaults.manualresetevent_class = mono_class_from_name (
693 mono_defaults.corlib, "System.Threading", "ManualResetEvent");
694 g_assert (mono_defaults.manualresetevent_class != 0 );
696 mono_defaults.typehandle_class = mono_class_from_name (
697 mono_defaults.corlib, "System", "RuntimeTypeHandle");
698 g_assert (mono_defaults.typehandle_class != 0);
700 mono_defaults.methodhandle_class = mono_class_from_name (
701 mono_defaults.corlib, "System", "RuntimeMethodHandle");
702 g_assert (mono_defaults.methodhandle_class != 0);
704 mono_defaults.fieldhandle_class = mono_class_from_name (
705 mono_defaults.corlib, "System", "RuntimeFieldHandle");
706 g_assert (mono_defaults.fieldhandle_class != 0);
708 mono_defaults.systemtype_class = mono_class_from_name (
709 mono_defaults.corlib, "System", "Type");
710 g_assert (mono_defaults.systemtype_class != 0);
712 mono_defaults.monotype_class = mono_class_from_name (
713 mono_defaults.corlib, "System", "MonoType");
714 g_assert (mono_defaults.monotype_class != 0);
716 mono_defaults.runtimetype_class = mono_class_from_name (
717 mono_defaults.corlib, "System", "RuntimeType");
718 g_assert (mono_defaults.runtimetype_class != 0);
720 mono_defaults.exception_class = mono_class_from_name (
721 mono_defaults.corlib, "System", "Exception");
722 g_assert (mono_defaults.exception_class != 0);
724 mono_defaults.threadabortexception_class = mono_class_from_name (
725 mono_defaults.corlib, "System.Threading", "ThreadAbortException");
726 g_assert (mono_defaults.threadabortexception_class != 0);
728 mono_defaults.thread_class = mono_class_from_name (
729 mono_defaults.corlib, "System.Threading", "Thread");
730 g_assert (mono_defaults.thread_class != 0);
732 mono_defaults.internal_thread_class = mono_class_from_name (
733 mono_defaults.corlib, "System.Threading", "InternalThread");
734 if (!mono_defaults.internal_thread_class) {
735 /* This can happen with an old mscorlib */
736 fprintf (stderr, "Corlib too old for this runtime.\n");
737 fprintf (stderr, "Loaded from: %s\n",
738 mono_defaults.corlib? mono_image_get_filename (mono_defaults.corlib): "unknown");
742 mono_defaults.appdomain_class = mono_class_from_name (
743 mono_defaults.corlib, "System", "AppDomain");
744 g_assert (mono_defaults.appdomain_class != 0);
746 #ifndef DISABLE_REMOTING
747 mono_defaults.transparent_proxy_class = mono_class_from_name (
748 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "TransparentProxy");
749 g_assert (mono_defaults.transparent_proxy_class != 0);
751 mono_defaults.real_proxy_class = mono_class_from_name (
752 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "RealProxy");
753 g_assert (mono_defaults.real_proxy_class != 0);
755 mono_defaults.marshalbyrefobject_class = mono_class_from_name (
756 mono_defaults.corlib, "System", "MarshalByRefObject");
757 g_assert (mono_defaults.marshalbyrefobject_class != 0);
759 mono_defaults.iremotingtypeinfo_class = mono_class_from_name (
760 mono_defaults.corlib, "System.Runtime.Remoting", "IRemotingTypeInfo");
761 g_assert (mono_defaults.iremotingtypeinfo_class != 0);
764 mono_defaults.mono_method_message_class = mono_class_from_name (
765 mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "MonoMethodMessage");
766 g_assert (mono_defaults.mono_method_message_class != 0);
768 mono_defaults.field_info_class = mono_class_from_name (
769 mono_defaults.corlib, "System.Reflection", "FieldInfo");
770 g_assert (mono_defaults.field_info_class != 0);
772 mono_defaults.method_info_class = mono_class_from_name (
773 mono_defaults.corlib, "System.Reflection", "MethodInfo");
774 g_assert (mono_defaults.method_info_class != 0);
776 mono_defaults.stringbuilder_class = mono_class_from_name (
777 mono_defaults.corlib, "System.Text", "StringBuilder");
778 g_assert (mono_defaults.stringbuilder_class != 0);
780 mono_defaults.math_class = mono_class_from_name (
781 mono_defaults.corlib, "System", "Math");
782 g_assert (mono_defaults.math_class != 0);
784 mono_defaults.stack_frame_class = mono_class_from_name (
785 mono_defaults.corlib, "System.Diagnostics", "StackFrame");
786 g_assert (mono_defaults.stack_frame_class != 0);
788 mono_defaults.stack_trace_class = mono_class_from_name (
789 mono_defaults.corlib, "System.Diagnostics", "StackTrace");
790 g_assert (mono_defaults.stack_trace_class != 0);
792 mono_defaults.marshal_class = mono_class_from_name (
793 mono_defaults.corlib, "System.Runtime.InteropServices", "Marshal");
794 g_assert (mono_defaults.marshal_class != 0);
796 mono_defaults.typed_reference_class = mono_class_from_name (
797 mono_defaults.corlib, "System", "TypedReference");
798 g_assert (mono_defaults.typed_reference_class != 0);
800 mono_defaults.argumenthandle_class = mono_class_from_name (
801 mono_defaults.corlib, "System", "RuntimeArgumentHandle");
802 g_assert (mono_defaults.argumenthandle_class != 0);
804 mono_defaults.monitor_class = mono_class_from_name (
805 mono_defaults.corlib, "System.Threading", "Monitor");
806 g_assert (mono_defaults.monitor_class != 0);
808 mono_defaults.runtimesecurityframe_class = mono_class_from_name (
809 mono_defaults.corlib, "System.Security", "RuntimeSecurityFrame");
811 mono_defaults.executioncontext_class = mono_class_from_name (
812 mono_defaults.corlib, "System.Threading", "ExecutionContext");
814 mono_defaults.internals_visible_class = mono_class_from_name (
815 mono_defaults.corlib, "System.Runtime.CompilerServices", "InternalsVisibleToAttribute");
817 mono_defaults.critical_finalizer_object = mono_class_from_name (
818 mono_defaults.corlib, "System.Runtime.ConstrainedExecution", "CriticalFinalizerObject");
821 * mscorlib needs a little help, only now it can load its friends list (after we have
822 * loaded the InternalsVisibleToAttribute), load it now
824 mono_assembly_load_friends (ass);
826 mono_defaults.safehandle_class = mono_class_from_name (
827 mono_defaults.corlib, "System.Runtime.InteropServices", "SafeHandle");
829 mono_defaults.handleref_class = mono_class_from_name (
830 mono_defaults.corlib, "System.Runtime.InteropServices", "HandleRef");
832 mono_defaults.attribute_class = mono_class_from_name (
833 mono_defaults.corlib, "System", "Attribute");
835 mono_defaults.customattribute_data_class = mono_class_from_name (
836 mono_defaults.corlib, "System.Reflection", "CustomAttributeData");
838 mono_class_init (mono_defaults.array_class);
839 mono_defaults.generic_nullable_class = mono_class_from_name (
840 mono_defaults.corlib, "System", "Nullable`1");
841 mono_defaults.generic_ilist_class = mono_class_from_name (
842 mono_defaults.corlib, "System.Collections.Generic", "IList`1");
843 mono_defaults.generic_ireadonlylist_class = mono_class_from_name (
844 mono_defaults.corlib, "System.Collections.Generic", "IReadOnlyList`1");
846 mono_defaults.threadpool_wait_callback_class = mono_class_from_name (
847 mono_defaults.corlib, "System.Threading", "_ThreadPoolWaitCallback");
848 if (!mono_defaults.threadpool_wait_callback_class) {
849 /* This can happen with an old mscorlib */
850 fprintf (stderr, "Corlib too old for this runtime.\n");
851 fprintf (stderr, "Loaded from: %s\n",
852 mono_defaults.corlib? mono_image_get_filename (mono_defaults.corlib): "unknown");
855 mono_defaults.threadpool_perform_wait_callback_method = mono_class_get_method_from_name (
856 mono_defaults.threadpool_wait_callback_class, "PerformWaitCallback", 0);
858 domain->friendly_name = g_path_get_basename (filename);
860 mono_profiler_appdomain_name (domain, domain->friendly_name);
868 * Creates the initial application domain and initializes the mono_defaults
870 * This function is guaranteed to not run any IL code.
871 * The runtime is initialized using the default runtime version.
873 * Returns: the initial domain.
876 mono_init (const char *domain_name)
878 return mono_init_internal (domain_name, NULL, DEFAULT_RUNTIME_VERSION);
882 * mono_init_from_assembly:
883 * @domain_name: name to give to the initial domain
884 * @filename: filename to load on startup
886 * Used by the runtime, users should use mono_jit_init instead.
888 * Creates the initial application domain and initializes the mono_defaults
890 * This function is guaranteed to not run any IL code.
891 * The runtime is initialized using the runtime version required by the
892 * provided executable. The version is determined by looking at the exe
893 * configuration file and the version PE field)
895 * Returns: the initial domain.
898 mono_init_from_assembly (const char *domain_name, const char *filename)
900 return mono_init_internal (domain_name, filename, NULL);
906 * Used by the runtime, users should use mono_jit_init instead.
908 * Creates the initial application domain and initializes the mono_defaults
911 * This function is guaranteed to not run any IL code.
912 * The runtime is initialized using the provided rutime version.
914 * Returns: the initial domain.
917 mono_init_version (const char *domain_name, const char *version)
919 return mono_init_internal (domain_name, NULL, version);
925 * Cleans up all metadata modules.
930 mono_close_exe_image ();
932 mono_defaults.corlib = NULL;
934 mono_config_cleanup ();
935 mono_loader_cleanup ();
936 mono_classes_cleanup ();
937 mono_assemblies_cleanup ();
938 mono_images_cleanup ();
939 mono_debug_cleanup ();
940 mono_metadata_cleanup ();
942 mono_native_tls_free (appdomain_thread_id);
943 mono_coop_mutex_destroy (&appdomains_mutex);
951 mono_close_exe_image (void)
954 mono_image_close (exe_image);
958 * mono_get_root_domain:
960 * The root AppDomain is the initial domain created by the runtime when it is
961 * initialized. Programs execute on this AppDomain, but can create new ones
962 * later. Currently there is no unmanaged API to create new AppDomains, this
963 * must be done from managed code.
965 * Returns: the root appdomain, to obtain the current domain, use mono_domain_get ()
968 mono_get_root_domain (void)
970 return mono_root_domain;
976 * Returns: the current domain, to obtain the root domain use
977 * mono_get_root_domain().
982 return GET_APPDOMAIN ();
986 mono_domain_unset (void)
988 SET_APPDOMAIN (NULL);
992 mono_domain_set_internal_with_options (MonoDomain *domain, gboolean migrate_exception)
994 MonoInternalThread *thread;
996 if (mono_domain_get () == domain)
999 SET_APPDOMAIN (domain);
1000 SET_APPCONTEXT (domain->default_context);
1002 if (migrate_exception) {
1003 thread = mono_thread_internal_current ();
1004 if (!thread->abort_exc)
1007 g_assert (thread->abort_exc->object.vtable->domain != domain);
1008 MONO_OBJECT_SETREF (thread, abort_exc, mono_get_exception_thread_abort ());
1009 g_assert (thread->abort_exc->object.vtable->domain == domain);
1014 * mono_domain_set_internal:
1015 * @domain: the new domain
1017 * Sets the current domain to @domain.
1020 mono_domain_set_internal (MonoDomain *domain)
1022 mono_domain_set_internal_with_options (domain, TRUE);
1026 mono_domain_foreach (MonoDomainFunc func, gpointer user_data)
1032 * Create a copy of the data to avoid calling the user callback
1033 * inside the lock because that could lead to deadlocks.
1034 * We can do this because this function is not perf. critical.
1036 mono_appdomains_lock ();
1037 size = appdomain_list_size;
1038 copy = mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "temporary domains list");
1039 memcpy (copy, appdomains_list, appdomain_list_size * sizeof (void*));
1040 mono_appdomains_unlock ();
1042 for (i = 0; i < size; ++i) {
1044 func (copy [i], user_data);
1047 mono_gc_free_fixed (copy);
1051 * mono_domain_assembly_open:
1052 * @domain: the application domain
1053 * @name: file name of the assembly
1055 * fixme: maybe we should integrate this with mono_assembly_open ??
1058 mono_domain_assembly_open (MonoDomain *domain, const char *name)
1060 MonoDomain *current;
1064 mono_domain_assemblies_lock (domain);
1065 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1067 if (strcmp (name, ass->aname.name) == 0) {
1068 mono_domain_assemblies_unlock (domain);
1072 mono_domain_assemblies_unlock (domain);
1074 if (domain != mono_domain_get ()) {
1075 current = mono_domain_get ();
1077 mono_domain_set (domain, FALSE);
1078 ass = mono_assembly_open (name, NULL);
1079 mono_domain_set (current, FALSE);
1081 ass = mono_assembly_open (name, NULL);
1088 unregister_vtable_reflection_type (MonoVTable *vtable)
1090 MonoObject *type = vtable->type;
1092 if (type->vtable->klass != mono_defaults.monotype_class)
1093 MONO_GC_UNREGISTER_ROOT_IF_MOVING (vtable->type);
1097 mono_domain_free (MonoDomain *domain, gboolean force)
1099 int code_size, code_alloc;
1103 if ((domain == mono_root_domain) && !force) {
1104 g_warning ("cant unload root domain");
1108 if (mono_dont_free_domains)
1111 mono_profiler_appdomain_event (domain, MONO_PROFILE_START_UNLOAD);
1113 mono_debug_domain_unload (domain);
1115 mono_appdomains_lock ();
1116 appdomains_list [domain->domain_id] = NULL;
1117 mono_appdomains_unlock ();
1119 /* must do this early as it accesses fields and types */
1120 if (domain->special_static_fields) {
1121 mono_alloc_special_static_data_free (domain->special_static_fields);
1122 g_hash_table_destroy (domain->special_static_fields);
1123 domain->special_static_fields = NULL;
1127 * We must destroy all these hash tables here because they
1128 * contain references to managed objects belonging to the
1129 * domain. Once we let the GC clear the domain there must be
1130 * no more such references, or we'll crash if a collection
1133 mono_g_hash_table_destroy (domain->ldstr_table);
1134 domain->ldstr_table = NULL;
1136 mono_g_hash_table_destroy (domain->env);
1139 mono_reflection_cleanup_domain (domain);
1141 /* This must be done before type_hash is freed */
1142 if (domain->class_vtable_array) {
1144 for (i = 0; i < domain->class_vtable_array->len; ++i)
1145 unregister_vtable_reflection_type (g_ptr_array_index (domain->class_vtable_array, i));
1148 if (domain->type_hash) {
1149 mono_g_hash_table_destroy (domain->type_hash);
1150 domain->type_hash = NULL;
1152 if (domain->type_init_exception_hash) {
1153 mono_g_hash_table_destroy (domain->type_init_exception_hash);
1154 domain->type_init_exception_hash = NULL;
1157 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1158 MonoAssembly *ass = tmp->data;
1159 mono_assembly_release_gc_roots (ass);
1162 /* Have to zero out reference fields since they will be invalidated by the clear_domain () call below */
1163 for (p = (gpointer*)&domain->MONO_DOMAIN_FIRST_OBJECT; p < (gpointer*)&domain->MONO_DOMAIN_FIRST_GC_TRACKED; ++p)
1166 /* This needs to be done before closing assemblies */
1167 mono_gc_clear_domain (domain);
1169 /* Close dynamic assemblies first, since they have no ref count */
1170 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1171 MonoAssembly *ass = tmp->data;
1172 if (!ass->image || !image_is_dynamic (ass->image))
1174 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);
1175 if (!mono_assembly_close_except_image_pools (ass))
1179 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1180 MonoAssembly *ass = tmp->data;
1183 if (!ass->image || image_is_dynamic (ass->image))
1185 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);
1186 if (!mono_assembly_close_except_image_pools (ass))
1190 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1191 MonoAssembly *ass = tmp->data;
1193 mono_assembly_close_finish (ass);
1195 g_slist_free (domain->domain_assemblies);
1196 domain->domain_assemblies = NULL;
1199 * Send this after the assemblies have been unloaded and the domain is still in a
1202 mono_profiler_appdomain_event (domain, MONO_PROFILE_END_UNLOAD);
1204 if (free_domain_hook)
1205 free_domain_hook (domain);
1207 /* FIXME: free delegate_hash_table when it's used */
1208 if (domain->search_path) {
1209 g_strfreev (domain->search_path);
1210 domain->search_path = NULL;
1212 domain->create_proxy_for_type_method = NULL;
1213 domain->private_invoke_method = NULL;
1214 domain->default_context = NULL;
1215 domain->out_of_memory_ex = NULL;
1216 domain->null_reference_ex = NULL;
1217 domain->stack_overflow_ex = NULL;
1218 domain->ephemeron_tombstone = NULL;
1219 domain->entry_assembly = NULL;
1221 g_free (domain->friendly_name);
1222 domain->friendly_name = NULL;
1223 g_ptr_array_free (domain->class_vtable_array, TRUE);
1224 domain->class_vtable_array = NULL;
1225 g_hash_table_destroy (domain->proxy_vtable_hash);
1226 domain->proxy_vtable_hash = NULL;
1227 if (domain->static_data_array) {
1228 mono_gc_free_fixed (domain->static_data_array);
1229 domain->static_data_array = NULL;
1231 mono_internal_hash_table_destroy (&domain->jit_code_hash);
1234 * There might still be jit info tables of this domain which
1235 * are not freed. Since the domain cannot be in use anymore,
1236 * this will free them.
1238 mono_thread_hazardous_try_free_all ();
1239 if (domain->aot_modules)
1240 mono_jit_info_table_free (domain->aot_modules);
1241 g_assert (domain->num_jit_info_tables == 1);
1242 mono_jit_info_table_free (domain->jit_info_table);
1243 domain->jit_info_table = NULL;
1244 g_assert (!domain->jit_info_free_queue);
1246 /* collect statistics */
1247 code_alloc = mono_code_manager_size (domain->code_mp, &code_size);
1248 total_domain_code_alloc += code_alloc;
1249 max_domain_code_alloc = MAX (max_domain_code_alloc, code_alloc);
1250 max_domain_code_size = MAX (max_domain_code_size, code_size);
1252 if (debug_domain_unload) {
1253 mono_mempool_invalidate (domain->mp);
1254 mono_code_manager_invalidate (domain->code_mp);
1256 #ifndef DISABLE_PERFCOUNTERS
1257 mono_perfcounters->loader_bytes -= mono_mempool_get_allocated (domain->mp);
1259 mono_mempool_destroy (domain->mp);
1261 mono_code_manager_destroy (domain->code_mp);
1262 domain->code_mp = NULL;
1264 lock_free_mempool_free (domain->lock_free_mp);
1265 domain->lock_free_mp = NULL;
1267 g_hash_table_destroy (domain->finalizable_objects_hash);
1268 domain->finalizable_objects_hash = NULL;
1269 if (domain->method_rgctx_hash) {
1270 g_hash_table_destroy (domain->method_rgctx_hash);
1271 domain->method_rgctx_hash = NULL;
1273 if (domain->generic_virtual_cases) {
1274 g_hash_table_destroy (domain->generic_virtual_cases);
1275 domain->generic_virtual_cases = NULL;
1277 if (domain->generic_virtual_thunks) {
1278 g_hash_table_destroy (domain->generic_virtual_thunks);
1279 domain->generic_virtual_thunks = NULL;
1281 if (domain->ftnptrs_hash) {
1282 g_hash_table_destroy (domain->ftnptrs_hash);
1283 domain->ftnptrs_hash = NULL;
1285 if (domain->method_to_dyn_method) {
1286 g_hash_table_destroy (domain->method_to_dyn_method);
1287 domain->method_to_dyn_method = NULL;
1290 mono_os_mutex_destroy (&domain->finalizable_objects_hash_lock);
1291 mono_os_mutex_destroy (&domain->assemblies_lock);
1292 mono_os_mutex_destroy (&domain->jit_code_hash_lock);
1294 mono_coop_mutex_destroy (&domain->lock);
1296 domain->setup = NULL;
1298 mono_gc_deregister_root ((char*)&(domain->MONO_DOMAIN_FIRST_GC_TRACKED));
1300 /* FIXME: anything else required ? */
1302 mono_gc_free_fixed (domain);
1304 #ifndef DISABLE_PERFCOUNTERS
1305 mono_perfcounters->loader_appdomains--;
1308 if (domain == mono_root_domain)
1309 mono_root_domain = NULL;
1313 * mono_domain_get_by_id:
1316 * Returns: the domain for a specific domain id.
1319 mono_domain_get_by_id (gint32 domainid)
1321 MonoDomain * domain;
1323 mono_appdomains_lock ();
1324 if (domainid < appdomain_list_size)
1325 domain = appdomains_list [domainid];
1328 mono_appdomains_unlock ();
1334 * mono_domain_get_id:
1336 * A domain ID is guaranteed to be unique for as long as the domain
1337 * using it is alive. It may be reused later once the domain has been
1340 * Returns: The unique ID for @domain.
1343 mono_domain_get_id (MonoDomain *domain)
1345 return domain->domain_id;
1349 * mono_domain_get_friendly_name:
1351 * The returned string's lifetime is the same as @domain's. Consider
1352 * copying it if you need to store it somewhere.
1354 * Returns: The friendly name of @domain. Can be NULL if not yet set.
1357 mono_domain_get_friendly_name (MonoDomain *domain)
1359 return domain->friendly_name;
1363 * mono_domain_alloc:
1365 * LOCKING: Acquires the domain lock.
1368 mono_domain_alloc (MonoDomain *domain, guint size)
1372 mono_domain_lock (domain);
1373 #ifndef DISABLE_PERFCOUNTERS
1374 mono_perfcounters->loader_bytes += size;
1376 res = mono_mempool_alloc (domain->mp, size);
1377 mono_domain_unlock (domain);
1383 * mono_domain_alloc0:
1385 * LOCKING: Acquires the domain lock.
1388 mono_domain_alloc0 (MonoDomain *domain, guint size)
1392 mono_domain_lock (domain);
1393 #ifndef DISABLE_PERFCOUNTERS
1394 mono_perfcounters->loader_bytes += size;
1396 res = mono_mempool_alloc0 (domain->mp, size);
1397 mono_domain_unlock (domain);
1403 mono_domain_alloc0_lock_free (MonoDomain *domain, guint size)
1405 return lock_free_mempool_alloc0 (domain->lock_free_mp, size);
1409 * mono_domain_code_reserve:
1411 * LOCKING: Acquires the domain lock.
1414 mono_domain_code_reserve (MonoDomain *domain, int size)
1418 mono_domain_lock (domain);
1419 res = mono_code_manager_reserve (domain->code_mp, size);
1420 mono_domain_unlock (domain);
1426 * mono_domain_code_reserve_align:
1428 * LOCKING: Acquires the domain lock.
1431 mono_domain_code_reserve_align (MonoDomain *domain, int size, int alignment)
1435 mono_domain_lock (domain);
1436 res = mono_code_manager_reserve_align (domain->code_mp, size, alignment);
1437 mono_domain_unlock (domain);
1443 * mono_domain_code_commit:
1445 * LOCKING: Acquires the domain lock.
1448 mono_domain_code_commit (MonoDomain *domain, void *data, int size, int newsize)
1450 mono_domain_lock (domain);
1451 mono_code_manager_commit (domain->code_mp, data, size, newsize);
1452 mono_domain_unlock (domain);
1455 #if defined(__native_client_codegen__) && defined(__native_client__)
1457 * Given the temporary buffer (allocated by mono_domain_code_reserve) into which
1458 * we are generating code, return a pointer to the destination in the dynamic
1459 * code segment into which the code will be copied when mono_domain_code_commit
1461 * LOCKING: Acquires the domain lock.
1464 nacl_domain_get_code_dest (MonoDomain *domain, void *data)
1467 mono_domain_lock (domain);
1468 dest = nacl_code_manager_get_code_dest (domain->code_mp, data);
1469 mono_domain_unlock (domain);
1474 * Convenience function which calls mono_domain_code_commit to validate and copy
1475 * the code. The caller sets *buf_base and *buf_size to the start and size of
1476 * the buffer (allocated by mono_domain_code_reserve), and *code_end to the byte
1477 * after the last instruction byte. On return, *buf_base will point to the start
1478 * of the copied in the code segment, and *code_end will point after the end of
1482 nacl_domain_code_validate (MonoDomain *domain, guint8 **buf_base, int buf_size, guint8 **code_end)
1484 guint8 *tmp = nacl_domain_get_code_dest (domain, *buf_base);
1485 mono_domain_code_commit (domain, *buf_base, buf_size, *code_end - *buf_base);
1486 *code_end = tmp + (*code_end - *buf_base);
1492 /* no-op versions of Native Client functions */
1495 nacl_domain_get_code_dest (MonoDomain *domain, void *data)
1501 nacl_domain_code_validate (MonoDomain *domain, guint8 **buf_base, int buf_size, guint8 **code_end)
1508 * mono_domain_code_foreach:
1509 * Iterate over the code thunks of the code manager of @domain.
1511 * The @func callback MUST not take any locks. If it really needs to, it must respect
1512 * the locking rules of the runtime: http://www.mono-project.com/Mono:Runtime:Documentation:ThreadSafety
1513 * LOCKING: Acquires the domain lock.
1517 mono_domain_code_foreach (MonoDomain *domain, MonoCodeManagerFunc func, void *user_data)
1519 mono_domain_lock (domain);
1520 mono_code_manager_foreach (domain->code_mp, func, user_data);
1521 mono_domain_unlock (domain);
1526 mono_context_set (MonoAppContext * new_context)
1528 SET_APPCONTEXT (new_context);
1532 mono_context_get (void)
1534 return GET_APPCONTEXT ();
1538 * mono_context_get_id:
1540 * Context IDs are guaranteed to be unique for the duration of a Mono
1541 * process; they are never reused.
1543 * Returns: The unique ID for @context.
1546 mono_context_get_id (MonoAppContext *context)
1548 return context->context_id;
1552 * mono_context_get_domain_id:
1554 * Returns: The ID of the domain that @context was created in.
1557 mono_context_get_domain_id (MonoAppContext *context)
1559 return context->domain_id;
1562 /* LOCKING: the caller holds the lock for this domain */
1564 mono_domain_add_class_static_data (MonoDomain *domain, MonoClass *klass, gpointer data, guint32 *bitmap)
1566 /* The first entry in the array is the index of the next free slot
1567 * and the total size of the array
1570 if (domain->static_data_array) {
1571 int size = GPOINTER_TO_INT (domain->static_data_array [1]);
1572 next = GPOINTER_TO_INT (domain->static_data_array [0]);
1574 /* 'data' is allocated by alloc_fixed */
1575 gpointer *new_array = mono_gc_alloc_fixed (sizeof (gpointer) * (size * 2), MONO_GC_ROOT_DESCR_FOR_FIXED (size * 2), MONO_ROOT_SOURCE_DOMAIN, "static field list");
1576 mono_gc_memmove_aligned (new_array, domain->static_data_array, sizeof (gpointer) * size);
1578 new_array [1] = GINT_TO_POINTER (size);
1579 mono_gc_free_fixed (domain->static_data_array);
1580 domain->static_data_array = new_array;
1584 gpointer *new_array = mono_gc_alloc_fixed (sizeof (gpointer) * size, MONO_GC_ROOT_DESCR_FOR_FIXED (size), MONO_ROOT_SOURCE_DOMAIN, "static field list");
1586 new_array [0] = GINT_TO_POINTER (next);
1587 new_array [1] = GINT_TO_POINTER (size);
1588 domain->static_data_array = new_array;
1590 domain->static_data_array [next++] = data;
1591 domain->static_data_array [0] = GINT_TO_POINTER (next);
1595 mono_get_corlib (void)
1597 return mono_defaults.corlib;
1601 mono_get_object_class (void)
1603 return mono_defaults.object_class;
1607 mono_get_byte_class (void)
1609 return mono_defaults.byte_class;
1613 mono_get_void_class (void)
1615 return mono_defaults.void_class;
1619 mono_get_boolean_class (void)
1621 return mono_defaults.boolean_class;
1625 mono_get_sbyte_class (void)
1627 return mono_defaults.sbyte_class;
1631 mono_get_int16_class (void)
1633 return mono_defaults.int16_class;
1637 mono_get_uint16_class (void)
1639 return mono_defaults.uint16_class;
1643 mono_get_int32_class (void)
1645 return mono_defaults.int32_class;
1649 mono_get_uint32_class (void)
1651 return mono_defaults.uint32_class;
1655 mono_get_intptr_class (void)
1657 return mono_defaults.int_class;
1661 mono_get_uintptr_class (void)
1663 return mono_defaults.uint_class;
1667 mono_get_int64_class (void)
1669 return mono_defaults.int64_class;
1673 mono_get_uint64_class (void)
1675 return mono_defaults.uint64_class;
1679 mono_get_single_class (void)
1681 return mono_defaults.single_class;
1685 mono_get_double_class (void)
1687 return mono_defaults.double_class;
1691 mono_get_char_class (void)
1693 return mono_defaults.char_class;
1697 mono_get_string_class (void)
1699 return mono_defaults.string_class;
1703 mono_get_enum_class (void)
1705 return mono_defaults.enum_class;
1709 mono_get_array_class (void)
1711 return mono_defaults.array_class;
1715 mono_get_thread_class (void)
1717 return mono_defaults.thread_class;
1721 mono_get_exception_class (void)
1723 return mono_defaults.exception_class;
1727 static char* get_attribute_value (const gchar **attribute_names,
1728 const gchar **attribute_values,
1729 const char *att_name)
1732 for (n=0; attribute_names[n] != NULL; n++) {
1733 if (strcmp (attribute_names[n], att_name) == 0)
1734 return g_strdup (attribute_values[n]);
1739 static void start_element (GMarkupParseContext *context,
1740 const gchar *element_name,
1741 const gchar **attribute_names,
1742 const gchar **attribute_values,
1746 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
1748 if (strcmp (element_name, "configuration") == 0) {
1749 app_config->configuration_count++;
1752 if (strcmp (element_name, "startup") == 0) {
1753 app_config->startup_count++;
1757 if (app_config->configuration_count != 1 || app_config->startup_count != 1)
1760 if (strcmp (element_name, "requiredRuntime") == 0) {
1761 app_config->required_runtime = get_attribute_value (attribute_names, attribute_values, "version");
1762 } else if (strcmp (element_name, "supportedRuntime") == 0) {
1763 char *version = get_attribute_value (attribute_names, attribute_values, "version");
1764 app_config->supported_runtimes = g_slist_append (app_config->supported_runtimes, version);
1768 static void end_element (GMarkupParseContext *context,
1769 const gchar *element_name,
1773 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
1775 if (strcmp (element_name, "configuration") == 0) {
1776 app_config->configuration_count--;
1777 } else if (strcmp (element_name, "startup") == 0) {
1778 app_config->startup_count--;
1782 static const GMarkupParser
1791 static AppConfigInfo *
1792 app_config_parse (const char *exe_filename)
1794 AppConfigInfo *app_config;
1795 GMarkupParseContext *context;
1798 const char *bundled_config;
1799 char *config_filename;
1801 bundled_config = mono_config_string_for_assembly_file (exe_filename);
1803 if (bundled_config) {
1804 text = g_strdup (bundled_config);
1805 len = strlen (text);
1807 config_filename = g_strconcat (exe_filename, ".config", NULL);
1809 if (!g_file_get_contents (config_filename, &text, &len, NULL)) {
1810 g_free (config_filename);
1813 g_free (config_filename);
1816 app_config = g_new0 (AppConfigInfo, 1);
1818 context = g_markup_parse_context_new (&mono_parser, 0, app_config, NULL);
1819 if (g_markup_parse_context_parse (context, text, len, NULL)) {
1820 g_markup_parse_context_end_parse (context, NULL);
1822 g_markup_parse_context_free (context);
1828 app_config_free (AppConfigInfo* app_config)
1831 GSList *list = app_config->supported_runtimes;
1832 while (list != NULL) {
1833 rt = (char*)list->data;
1835 list = g_slist_next (list);
1837 g_slist_free (app_config->supported_runtimes);
1838 g_free (app_config->required_runtime);
1839 g_free (app_config);
1843 static const MonoRuntimeInfo*
1844 get_runtime_by_version (const char *version)
1847 int max = G_N_ELEMENTS (supported_runtimes);
1853 for (n=0; n<max; n++) {
1854 if (strcmp (version, supported_runtimes[n].runtime_version) == 0)
1855 return &supported_runtimes[n];
1858 vlen = strlen (version);
1859 if (vlen >= 4 && version [1] - '0' >= 4) {
1860 for (n=0; n<max; n++) {
1861 if (strncmp (version, supported_runtimes[n].runtime_version, 4) == 0)
1862 return &supported_runtimes[n];
1870 get_runtimes_from_exe (const char *exe_file, MonoImage **exe_image, const MonoRuntimeInfo** runtimes)
1872 AppConfigInfo* app_config;
1874 const MonoRuntimeInfo* runtime = NULL;
1875 MonoImage *image = NULL;
1877 app_config = app_config_parse (exe_file);
1879 if (app_config != NULL) {
1880 /* Check supportedRuntime elements, if none is supported, fail.
1881 * If there are no such elements, look for a requiredRuntime element.
1883 if (app_config->supported_runtimes != NULL) {
1885 GSList *list = app_config->supported_runtimes;
1886 while (list != NULL) {
1887 version = (char*) list->data;
1888 runtime = get_runtime_by_version (version);
1889 if (runtime != NULL)
1890 runtimes [n++] = runtime;
1891 list = g_slist_next (list);
1893 runtimes [n] = NULL;
1894 app_config_free (app_config);
1898 /* Check the requiredRuntime element. This is for 1.0 apps only. */
1899 if (app_config->required_runtime != NULL) {
1900 runtimes [0] = get_runtime_by_version (app_config->required_runtime);
1901 runtimes [1] = NULL;
1902 app_config_free (app_config);
1905 app_config_free (app_config);
1908 /* Look for a runtime with the exact version */
1909 image = mono_assembly_open_from_bundle (exe_file, NULL, FALSE);
1912 image = mono_image_open (exe_file, NULL);
1914 if (image == NULL) {
1915 /* The image is wrong or the file was not found. In this case return
1916 * a default runtime and leave to the initialization method the work of
1917 * reporting the error.
1919 runtimes [0] = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
1920 runtimes [1] = NULL;
1926 runtimes [0] = get_runtime_by_version (image->version);
1927 runtimes [1] = NULL;
1932 * mono_get_runtime_info:
1934 * Returns: the version of the current runtime instance.
1936 const MonoRuntimeInfo*
1937 mono_get_runtime_info (void)
1939 return current_runtime;
1943 * mono_framework_version:
1945 * Return the major version of the framework curently executing.
1948 mono_framework_version (void)
1950 return current_runtime->framework_version [0] - '0';
1954 mono_enable_debug_domain_unload (gboolean enable)
1956 debug_domain_unload = enable;
1959 MonoAotCacheConfig *
1960 mono_get_aot_cache_config (void)
1962 return &aot_cache_config;
1966 mono_domain_lock (MonoDomain *domain)
1968 mono_locks_coop_acquire (&domain->lock, DomainLock);
1972 mono_domain_unlock (MonoDomain *domain)
1974 mono_locks_coop_release (&domain->lock, DomainLock);