2 * domain.c: MonoDomain functions
5 * Dietmar Maurer (dietmar@ximian.com)
8 * (C) 2001 Ximian, Inc.
16 #include <mono/os/gc_wrapper.h>
18 #include <mono/utils/mono-compiler.h>
19 #include <mono/utils/mono-logger.h>
20 #include <mono/metadata/object.h>
21 #include <mono/metadata/object-internals.h>
22 #include <mono/metadata/domain-internals.h>
23 #include <mono/metadata/class-internals.h>
24 #include <mono/metadata/assembly.h>
25 #include <mono/metadata/exception.h>
26 #include <mono/metadata/cil-coff.h>
27 #include <mono/metadata/rawbuffer.h>
28 #include <mono/metadata/metadata-internals.h>
29 #include <mono/metadata/gc-internal.h>
30 #include <mono/metadata/appdomain.h>
31 #include <mono/metadata/mono-debug-debugger.h>
32 #include <mono/metadata/mono-config.h>
33 #include <metadata/threads.h>
35 /* #define DEBUG_DOMAIN_UNLOAD */
37 /* we need to use both the Tls* functions and __thread because
38 * some archs may generate faster jit code with one meachanism
39 * or the other (we used to do it because tls slots were GC-tracked,
40 * but we can't depend on this).
42 static guint32 appdomain_thread_id = -1;
45 static __thread MonoDomain * tls_appdomain MONO_TLS_FAST;
46 #define GET_APPDOMAIN() tls_appdomain
47 #define SET_APPDOMAIN(x) do { \
49 TlsSetValue (appdomain_thread_id, x); \
54 #define GET_APPDOMAIN() ((MonoDomain *)TlsGetValue (appdomain_thread_id))
55 #define SET_APPDOMAIN(x) TlsSetValue (appdomain_thread_id, x);
59 #define GET_APPCONTEXT() (mono_thread_current ()->current_appcontext)
60 #define SET_APPCONTEXT(x) MONO_OBJECT_SETREF (mono_thread_current (), current_appcontext, (x))
62 static guint16 appdomain_list_size = 0;
63 static guint16 appdomain_next = 0;
64 static MonoDomain **appdomains_list = NULL;
66 #define mono_appdomains_lock() EnterCriticalSection (&appdomains_mutex)
67 #define mono_appdomains_unlock() LeaveCriticalSection (&appdomains_mutex)
68 static CRITICAL_SECTION appdomains_mutex;
70 static MonoDomain *mono_root_domain = NULL;
72 /* AppConfigInfo: Information about runtime versions supported by an
76 GSList *supported_runtimes;
77 char *required_runtime;
78 int configuration_count;
83 * AotModuleInfo: Contains information about AOT modules.
90 static const MonoRuntimeInfo *current_runtime = NULL;
92 static MonoJitInfoFindInAot jit_info_find_in_aot_func = NULL;
95 * Contains information about AOT loaded code.
97 static MonoJitInfoTable *aot_modules = NULL;
99 /* This is the list of runtime versions supported by this JIT.
101 static const MonoRuntimeInfo supported_runtimes[] = {
102 {"v1.0.3705", "1.0", { {1,0,5000,0}, {7,0,5000,0} } },
103 {"v1.1.4322", "1.0", { {1,0,5000,0}, {7,0,5000,0} } },
104 {"v2.0.50215","2.0", { {2,0,0,0}, {8,0,0,0} } },
105 {"v2.0.50727","2.0", { {2,0,0,0}, {8,0,0,0} } }
109 /* The stable runtime version */
110 #define DEFAULT_RUNTIME_VERSION "v1.1.4322"
113 get_runtimes_from_exe (const char *exe_file, const MonoRuntimeInfo** runtimes);
115 static const MonoRuntimeInfo*
116 get_runtime_by_version (const char *version);
119 mono_jit_info_find_aot_module (guint8* addr);
122 mono_domain_get_tls_key (void)
124 return appdomain_thread_id;
128 mono_domain_get_tls_offset (void)
131 MONO_THREAD_VAR_OFFSET (tls_appdomain, offset);
132 /* __asm ("jmp 1f; .section writetext, \"awx\"; 1: movl $tls_appdomain@ntpoff, %0; jmp 2f; .previous; 2:"
137 static MonoJitInfoTable *
138 mono_jit_info_table_new (void)
140 return g_array_new (FALSE, FALSE, sizeof (gpointer));
144 mono_jit_info_table_free (MonoJitInfoTable *table)
146 g_array_free (table, TRUE);
150 mono_jit_info_table_index (MonoJitInfoTable *table, char *addr)
152 int left = 0, right = table->len;
154 while (left < right) {
155 int pos = (left + right) / 2;
156 MonoJitInfo *ji = g_array_index (table, gpointer, pos);
157 char *start = ji->code_start;
158 char *end = start + ji->code_size;
162 else if (addr >= end)
172 mono_jit_info_table_find (MonoDomain *domain, char *addr)
174 MonoJitInfoTable *table = domain->jit_info_table;
176 guint left = 0, right;
178 mono_domain_lock (domain);
181 while (left < right) {
182 guint pos = (left + right) / 2;
183 ji = g_array_index (table, gpointer, pos);
185 if (addr < (char*)ji->code_start)
187 else if (addr >= (char*)ji->code_start + ji->code_size)
190 mono_domain_unlock (domain);
194 mono_domain_unlock (domain);
196 /* maybe it is shared code, so we also search in the root domain */
198 if (domain != mono_root_domain)
199 ji = mono_jit_info_table_find (mono_root_domain, addr);
202 /* Maybe its an AOT module */
203 MonoImage *image = mono_jit_info_find_aot_module ((guint8*)addr);
205 ji = jit_info_find_in_aot_func (domain, image, addr);
212 mono_jit_info_table_add (MonoDomain *domain, MonoJitInfo *ji)
214 MonoJitInfoTable *table = domain->jit_info_table;
215 gpointer start = ji->code_start;
218 mono_domain_lock (domain);
219 pos = mono_jit_info_table_index (table, start);
221 g_array_insert_val (table, pos, ji);
222 mono_domain_unlock (domain);
226 mono_jit_info_table_remove (MonoDomain *domain, MonoJitInfo *ji)
228 MonoJitInfoTable *table = domain->jit_info_table;
229 gpointer start = ji->code_start;
232 mono_domain_lock (domain);
233 pos = mono_jit_info_table_index (table, start);
234 if (g_array_index (table, gpointer, pos) != ji) {
235 MonoJitInfo *ji2 = g_array_index (table, gpointer, pos);
236 g_assert (ji == ji2);
238 g_assert (g_array_index (table, gpointer, pos) == ji);
240 g_array_remove_index (table, pos);
241 mono_domain_unlock (domain);
245 aot_info_table_index (MonoJitInfoTable *table, char *addr)
247 int left = 0, right = table->len;
249 while (left < right) {
250 int pos = (left + right) / 2;
251 AotModuleInfo *ainfo = g_array_index (table, gpointer, pos);
252 char *start = ainfo->start;
253 char *end = ainfo->end;
257 else if (addr >= end)
267 mono_jit_info_add_aot_module (MonoImage *image, gpointer start, gpointer end)
269 AotModuleInfo *ainfo = g_new0 (AotModuleInfo, 1);
272 ainfo->image = image;
273 ainfo->start = start;
276 mono_appdomains_lock ();
279 aot_modules = mono_jit_info_table_new ();
281 pos = aot_info_table_index (aot_modules, start);
283 g_array_insert_val (aot_modules, pos, ainfo);
285 mono_appdomains_unlock ();
289 mono_jit_info_find_aot_module (guint8* addr)
291 guint left = 0, right;
296 mono_appdomains_lock ();
298 right = aot_modules->len;
299 while (left < right) {
300 guint pos = (left + right) / 2;
301 AotModuleInfo *ai = g_array_index (aot_modules, gpointer, pos);
303 if (addr < (guint8*)ai->start)
305 else if (addr >= (guint8*)ai->end)
308 mono_appdomains_unlock ();
313 mono_appdomains_unlock ();
319 mono_install_jit_info_find_in_aot (MonoJitInfoFindInAot func)
321 jit_info_find_in_aot_func = func;
325 mono_jit_info_get_code_start (MonoJitInfo* ji)
327 return ji->code_start;
331 mono_jit_info_get_code_size (MonoJitInfo* ji)
333 return ji->code_size;
337 mono_jit_info_get_method (MonoJitInfo* ji)
343 jit_info_key_extract (gpointer value)
345 MonoJitInfo *info = (MonoJitInfo*)value;
351 jit_info_next_value (gpointer value)
353 MonoJitInfo *info = (MonoJitInfo*)value;
355 return (gpointer*)&info->next_jit_code_hash;
359 mono_jit_code_hash_init (MonoInternalHashTable *jit_code_hash)
361 mono_internal_hash_table_init (jit_code_hash,
362 mono_aligned_addr_hash,
363 jit_info_key_extract,
364 jit_info_next_value);
369 * @s1: First string to compare
370 * @s2: Second string to compare
372 * Returns FALSE if the strings differ.
375 mono_string_equal (MonoString *s1, MonoString *s2)
377 int l1 = mono_string_length (s1);
378 int l2 = mono_string_length (s2);
385 return memcmp (mono_string_chars (s1), mono_string_chars (s2), l1 * 2) == 0;
390 * @s: the string to hash
392 * Returns the hash for the string.
395 mono_string_hash (MonoString *s)
397 const guint16 *p = mono_string_chars (s);
398 int i, len = mono_string_length (s);
401 for (i = 0; i < len; i++) {
402 h = (h << 5) - h + *p;
410 mono_ptrarray_equal (gpointer *s1, gpointer *s2)
412 int len = GPOINTER_TO_INT (s1 [0]);
413 if (len != GPOINTER_TO_INT (s2 [0]))
416 return memcmp (s1 + 1, s2 + 1, len * sizeof(gpointer)) == 0;
420 mono_ptrarray_hash (gpointer *s)
423 int len = GPOINTER_TO_INT (s [0]);
426 for (i = 1; i < len; i++)
427 hash += GPOINTER_TO_UINT (s [i]);
433 * Allocate an id for domain and set domain->domain_id.
434 * LOCKING: must be called while holding appdomains_mutex.
435 * We try to assign low numbers to the domain, so it can be used
436 * as an index in data tables to lookup domain-specific info
437 * with minimal memory overhead. We also try not to reuse the
438 * same id too quickly (to help debugging).
441 domain_id_alloc (MonoDomain *domain)
444 if (!appdomains_list) {
445 appdomain_list_size = 2;
446 appdomains_list = mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), NULL);
448 for (i = appdomain_next; i < appdomain_list_size; ++i) {
449 if (!appdomains_list [i]) {
455 for (i = 0; i < appdomain_next; ++i) {
456 if (!appdomains_list [i]) {
463 MonoDomain **new_list;
464 int new_size = appdomain_list_size * 2;
465 if (new_size >= (1 << 16))
466 g_assert_not_reached ();
467 id = appdomain_list_size;
468 new_list = mono_gc_alloc_fixed (new_size * sizeof (void*), NULL);
469 memcpy (new_list, appdomains_list, appdomain_list_size * sizeof (void*));
470 mono_gc_free_fixed (appdomains_list);
471 appdomains_list = new_list;
472 appdomain_list_size = new_size;
474 domain->domain_id = id;
475 appdomains_list [id] = domain;
477 if (appdomain_next > appdomain_list_size)
482 static guint32 domain_gc_bitmap [sizeof(MonoDomain)/4/32 + 1];
483 static gpointer domain_gc_desc = NULL;
486 mono_domain_create (void)
490 mono_appdomains_lock ();
491 if (!domain_gc_desc) {
492 unsigned int i, bit = 0;
493 for (i = G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_OBJECT); i < G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_GC_TRACKED); i += sizeof (gpointer)) {
494 bit = i / sizeof (gpointer);
495 domain_gc_bitmap [bit / 32] |= 1 << (bit % 32);
497 domain_gc_desc = mono_gc_make_descr_from_bitmap (domain_gc_bitmap, bit + 1);
499 mono_appdomains_unlock ();
501 domain = mono_gc_alloc_fixed (sizeof (MonoDomain), domain_gc_desc);
502 domain->domain = NULL;
503 domain->setup = NULL;
504 domain->friendly_name = NULL;
505 domain->search_path = NULL;
507 domain->mp = mono_mempool_new ();
508 domain->code_mp = mono_code_manager_new ();
509 domain->env = mono_g_hash_table_new_type ((GHashFunc)mono_string_hash, (GCompareFunc)mono_string_equal, MONO_HASH_KEY_VALUE_GC);
510 domain->domain_assemblies = NULL;
511 domain->class_vtable_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
512 domain->proxy_vtable_hash = g_hash_table_new ((GHashFunc)mono_ptrarray_hash, (GCompareFunc)mono_ptrarray_equal);
513 domain->static_data_array = NULL;
514 mono_jit_code_hash_init (&domain->jit_code_hash);
515 domain->ldstr_table = mono_g_hash_table_new ((GHashFunc)mono_string_hash, (GCompareFunc)mono_string_equal);
516 domain->jit_info_table = mono_jit_info_table_new ();
517 domain->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
518 domain->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
519 domain->finalizable_objects_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
520 domain->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
521 domain->delegate_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
523 InitializeCriticalSection (&domain->lock);
524 InitializeCriticalSection (&domain->assemblies_lock);
526 mono_appdomains_lock ();
527 domain_id_alloc (domain);
528 mono_appdomains_unlock ();
534 * mono_init_internal:
536 * Creates the initial application domain and initializes the mono_defaults
538 * This function is guaranteed to not run any IL code.
539 * If exe_filename is not NULL, the method will determine the required runtime
540 * from the exe configuration file or the version PE field.
541 * If runtime_version is not NULL, that runtime version will be used.
542 * Either exe_filename or runtime_version must be provided.
544 * Returns: the initial domain.
547 mono_init_internal (const char *filename, const char *exe_filename, const char *runtime_version)
549 static MonoDomain *domain = NULL;
550 MonoAssembly *ass = NULL;
551 MonoImageOpenStatus status = MONO_IMAGE_OK;
552 const MonoRuntimeInfo* runtimes [G_N_ELEMENTS (supported_runtimes) + 1];
556 g_assert_not_reached ();
560 appdomain_thread_id = TlsAlloc ();
562 InitializeCriticalSection (&appdomains_mutex);
564 mono_metadata_init ();
565 mono_raw_buffer_init ();
567 mono_assemblies_init ();
568 mono_classes_init ();
570 mono_reflection_init ();
572 /* FIXME: When should we release this memory? */
573 MONO_GC_REGISTER_ROOT (appdomains_list);
575 domain = mono_domain_create ();
576 mono_root_domain = domain;
578 SET_APPDOMAIN (domain);
580 /* Get a list of runtimes supported by the exe */
581 if (exe_filename != NULL) {
582 get_runtimes_from_exe (exe_filename, runtimes);
583 } else if (runtime_version != NULL) {
584 runtimes [0] = get_runtime_by_version (runtime_version);
588 if (runtimes [0] == NULL) {
589 const MonoRuntimeInfo *default_runtime = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
590 runtimes [0] = default_runtime;
592 g_print ("WARNING: The runtime version supported by this application is unavailable.\n");
593 g_print ("Using default runtime: %s\n", default_runtime->runtime_version);
596 /* The selected runtime will be the first one for which there is a mscrolib.dll */
597 for (n = 0; runtimes [n] != NULL && ass == NULL; n++) {
598 current_runtime = runtimes [n];
599 ass = mono_assembly_load_corlib (current_runtime, &status);
600 if (status != MONO_IMAGE_OK && status != MONO_IMAGE_ERROR_ERRNO)
604 if ((status != MONO_IMAGE_OK) || (ass == NULL)) {
606 case MONO_IMAGE_ERROR_ERRNO: {
607 char *corlib_file = g_build_filename (mono_assembly_getrootdir (), "mono", current_runtime->framework_version, "mscorlib.dll", NULL);
608 g_print ("The assembly mscorlib.dll was not found or could not be loaded.\n");
609 g_print ("It should have been installed in the `%s' directory.\n", corlib_file);
610 g_free (corlib_file);
613 case MONO_IMAGE_IMAGE_INVALID:
614 g_print ("The file %s/mscorlib.dll is an invalid CIL image\n",
615 mono_assembly_getrootdir ());
617 case MONO_IMAGE_MISSING_ASSEMBLYREF:
618 g_print ("Missing assembly reference in %s/mscorlib.dll\n",
619 mono_assembly_getrootdir ());
622 /* to suppress compiler warning */
628 mono_defaults.corlib = mono_assembly_get_image (ass);
630 mono_defaults.object_class = mono_class_from_name (
631 mono_defaults.corlib, "System", "Object");
632 g_assert (mono_defaults.object_class != 0);
634 mono_defaults.void_class = mono_class_from_name (
635 mono_defaults.corlib, "System", "Void");
636 g_assert (mono_defaults.void_class != 0);
638 mono_defaults.boolean_class = mono_class_from_name (
639 mono_defaults.corlib, "System", "Boolean");
640 g_assert (mono_defaults.boolean_class != 0);
642 mono_defaults.byte_class = mono_class_from_name (
643 mono_defaults.corlib, "System", "Byte");
644 g_assert (mono_defaults.byte_class != 0);
646 mono_defaults.sbyte_class = mono_class_from_name (
647 mono_defaults.corlib, "System", "SByte");
648 g_assert (mono_defaults.sbyte_class != 0);
650 mono_defaults.int16_class = mono_class_from_name (
651 mono_defaults.corlib, "System", "Int16");
652 g_assert (mono_defaults.int16_class != 0);
654 mono_defaults.uint16_class = mono_class_from_name (
655 mono_defaults.corlib, "System", "UInt16");
656 g_assert (mono_defaults.uint16_class != 0);
658 mono_defaults.int32_class = mono_class_from_name (
659 mono_defaults.corlib, "System", "Int32");
660 g_assert (mono_defaults.int32_class != 0);
662 mono_defaults.uint32_class = mono_class_from_name (
663 mono_defaults.corlib, "System", "UInt32");
664 g_assert (mono_defaults.uint32_class != 0);
666 mono_defaults.uint_class = mono_class_from_name (
667 mono_defaults.corlib, "System", "UIntPtr");
668 g_assert (mono_defaults.uint_class != 0);
670 mono_defaults.int_class = mono_class_from_name (
671 mono_defaults.corlib, "System", "IntPtr");
672 g_assert (mono_defaults.int_class != 0);
674 mono_defaults.int64_class = mono_class_from_name (
675 mono_defaults.corlib, "System", "Int64");
676 g_assert (mono_defaults.int64_class != 0);
678 mono_defaults.uint64_class = mono_class_from_name (
679 mono_defaults.corlib, "System", "UInt64");
680 g_assert (mono_defaults.uint64_class != 0);
682 mono_defaults.single_class = mono_class_from_name (
683 mono_defaults.corlib, "System", "Single");
684 g_assert (mono_defaults.single_class != 0);
686 mono_defaults.double_class = mono_class_from_name (
687 mono_defaults.corlib, "System", "Double");
688 g_assert (mono_defaults.double_class != 0);
690 mono_defaults.char_class = mono_class_from_name (
691 mono_defaults.corlib, "System", "Char");
692 g_assert (mono_defaults.char_class != 0);
694 mono_defaults.string_class = mono_class_from_name (
695 mono_defaults.corlib, "System", "String");
696 g_assert (mono_defaults.string_class != 0);
698 mono_defaults.enum_class = mono_class_from_name (
699 mono_defaults.corlib, "System", "Enum");
700 g_assert (mono_defaults.enum_class != 0);
702 mono_defaults.array_class = mono_class_from_name (
703 mono_defaults.corlib, "System", "Array");
704 g_assert (mono_defaults.array_class != 0);
706 mono_defaults.delegate_class = mono_class_from_name (
707 mono_defaults.corlib, "System", "Delegate");
708 g_assert (mono_defaults.delegate_class != 0 );
710 mono_defaults.multicastdelegate_class = mono_class_from_name (
711 mono_defaults.corlib, "System", "MulticastDelegate");
712 g_assert (mono_defaults.multicastdelegate_class != 0 );
714 mono_defaults.asyncresult_class = mono_class_from_name (
715 mono_defaults.corlib, "System.Runtime.Remoting.Messaging",
717 g_assert (mono_defaults.asyncresult_class != 0 );
719 mono_defaults.waithandle_class = mono_class_from_name (
720 mono_defaults.corlib, "System.Threading", "WaitHandle");
721 g_assert (mono_defaults.waithandle_class != 0 );
723 mono_defaults.typehandle_class = mono_class_from_name (
724 mono_defaults.corlib, "System", "RuntimeTypeHandle");
725 g_assert (mono_defaults.typehandle_class != 0);
727 mono_defaults.methodhandle_class = mono_class_from_name (
728 mono_defaults.corlib, "System", "RuntimeMethodHandle");
729 g_assert (mono_defaults.methodhandle_class != 0);
731 mono_defaults.fieldhandle_class = mono_class_from_name (
732 mono_defaults.corlib, "System", "RuntimeFieldHandle");
733 g_assert (mono_defaults.fieldhandle_class != 0);
735 mono_defaults.systemtype_class = mono_class_from_name (
736 mono_defaults.corlib, "System", "Type");
737 g_assert (mono_defaults.systemtype_class != 0);
739 mono_defaults.monotype_class = mono_class_from_name (
740 mono_defaults.corlib, "System", "MonoType");
741 g_assert (mono_defaults.monotype_class != 0);
743 mono_defaults.exception_class = mono_class_from_name (
744 mono_defaults.corlib, "System", "Exception");
745 g_assert (mono_defaults.exception_class != 0);
747 mono_defaults.threadabortexception_class = mono_class_from_name (
748 mono_defaults.corlib, "System.Threading", "ThreadAbortException");
749 g_assert (mono_defaults.threadabortexception_class != 0);
751 mono_defaults.thread_class = mono_class_from_name (
752 mono_defaults.corlib, "System.Threading", "Thread");
753 g_assert (mono_defaults.thread_class != 0);
755 mono_defaults.appdomain_class = mono_class_from_name (
756 mono_defaults.corlib, "System", "AppDomain");
757 g_assert (mono_defaults.appdomain_class != 0);
759 mono_defaults.transparent_proxy_class = mono_class_from_name (
760 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "TransparentProxy");
761 g_assert (mono_defaults.transparent_proxy_class != 0);
763 mono_defaults.real_proxy_class = mono_class_from_name (
764 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "RealProxy");
765 g_assert (mono_defaults.real_proxy_class != 0);
767 mono_defaults.mono_method_message_class = mono_class_from_name (
768 mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "MonoMethodMessage");
769 g_assert (mono_defaults.mono_method_message_class != 0);
771 mono_defaults.field_info_class = mono_class_from_name (
772 mono_defaults.corlib, "System.Reflection", "FieldInfo");
773 g_assert (mono_defaults.field_info_class != 0);
775 mono_defaults.method_info_class = mono_class_from_name (
776 mono_defaults.corlib, "System.Reflection", "MethodInfo");
777 g_assert (mono_defaults.method_info_class != 0);
779 mono_defaults.stringbuilder_class = mono_class_from_name (
780 mono_defaults.corlib, "System.Text", "StringBuilder");
781 g_assert (mono_defaults.stringbuilder_class != 0);
783 mono_defaults.math_class = mono_class_from_name (
784 mono_defaults.corlib, "System", "Math");
785 g_assert (mono_defaults.math_class != 0);
787 mono_defaults.stack_frame_class = mono_class_from_name (
788 mono_defaults.corlib, "System.Diagnostics", "StackFrame");
789 g_assert (mono_defaults.stack_frame_class != 0);
791 mono_defaults.stack_trace_class = mono_class_from_name (
792 mono_defaults.corlib, "System.Diagnostics", "StackTrace");
793 g_assert (mono_defaults.stack_trace_class != 0);
795 mono_defaults.marshal_class = mono_class_from_name (
796 mono_defaults.corlib, "System.Runtime.InteropServices", "Marshal");
797 g_assert (mono_defaults.marshal_class != 0);
799 mono_defaults.iserializeable_class = mono_class_from_name (
800 mono_defaults.corlib, "System.Runtime.Serialization", "ISerializable");
801 g_assert (mono_defaults.iserializeable_class != 0);
803 mono_defaults.serializationinfo_class = mono_class_from_name (
804 mono_defaults.corlib, "System.Runtime.Serialization", "SerializationInfo");
805 g_assert (mono_defaults.serializationinfo_class != 0);
807 mono_defaults.streamingcontext_class = mono_class_from_name (
808 mono_defaults.corlib, "System.Runtime.Serialization", "StreamingContext");
809 g_assert (mono_defaults.streamingcontext_class != 0);
811 mono_defaults.typed_reference_class = mono_class_from_name (
812 mono_defaults.corlib, "System", "TypedReference");
813 g_assert (mono_defaults.typed_reference_class != 0);
815 mono_defaults.argumenthandle_class = mono_class_from_name (
816 mono_defaults.corlib, "System", "RuntimeArgumentHandle");
817 g_assert (mono_defaults.argumenthandle_class != 0);
819 mono_defaults.marshalbyrefobject_class = mono_class_from_name (
820 mono_defaults.corlib, "System", "MarshalByRefObject");
821 g_assert (mono_defaults.marshalbyrefobject_class != 0);
823 mono_defaults.monitor_class = mono_class_from_name (
824 mono_defaults.corlib, "System.Threading", "Monitor");
825 g_assert (mono_defaults.monitor_class != 0);
827 mono_defaults.iremotingtypeinfo_class = mono_class_from_name (
828 mono_defaults.corlib, "System.Runtime.Remoting", "IRemotingTypeInfo");
829 g_assert (mono_defaults.iremotingtypeinfo_class != 0);
831 mono_defaults.runtimesecurityframe_class = mono_class_from_name (
832 mono_defaults.corlib, "System.Security", "RuntimeSecurityFrame");
834 mono_defaults.executioncontext_class = mono_class_from_name (
835 mono_defaults.corlib, "System.Threading", "ExecutionContext");
837 mono_defaults.internals_visible_class = mono_class_from_name (
838 mono_defaults.corlib, "System.Runtime.CompilerServices", "InternalsVisibleToAttribute");
840 mono_defaults.safehandle_class = mono_class_from_name (
841 mono_defaults.corlib, "System.Runtime.InteropServices", "SafeHandle");
843 mono_defaults.handleref_class = mono_class_from_name (
844 mono_defaults.corlib, "System.Runtime.InteropServices", "HandleRef");
846 mono_defaults.attribute_class = mono_class_from_name (
847 mono_defaults.corlib, "System", "Attribute");
849 mono_defaults.customattribute_data_class = mono_class_from_name (
850 mono_defaults.corlib, "System.Reflection", "CustomAttributeData");
852 /* these are initialized lazily when COM features are used */
853 mono_defaults.variant_class = NULL;
854 mono_defaults.com_object_class = NULL;
855 mono_defaults.com_interop_proxy_class = NULL;
856 mono_defaults.iunknown_class = NULL;
857 mono_defaults.idispatch_class = NULL;
860 * Note that mono_defaults.generic_*_class is only non-NULL if we're
861 * using the 2.0 corlib.
863 mono_class_init (mono_defaults.array_class);
864 mono_defaults.generic_nullable_class = mono_class_from_name (
865 mono_defaults.corlib, "System", "Nullable`1");
866 mono_defaults.generic_ilist_class = mono_class_from_name (
867 mono_defaults.corlib, "System.Collections.Generic", "IList`1");
869 domain->friendly_name = g_path_get_basename (filename);
877 * Creates the initial application domain and initializes the mono_defaults
879 * This function is guaranteed to not run any IL code.
880 * The runtime is initialized using the default runtime version.
882 * Returns: the initial domain.
885 mono_init (const char *domain_name)
887 return mono_init_internal (domain_name, NULL, DEFAULT_RUNTIME_VERSION);
891 * mono_init_from_assembly:
893 * 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 runtime version required by the
897 * provided executable. The version is determined by looking at the exe
898 * configuration file and the version PE field)
900 * Returns: the initial domain.
903 mono_init_from_assembly (const char *domain_name, const char *filename)
905 return mono_init_internal (domain_name, filename, NULL);
911 * Creates the initial application domain and initializes the mono_defaults
913 * This function is guaranteed to not run any IL code.
914 * The runtime is initialized using the provided rutime version.
916 * Returns: the initial domain.
919 mono_init_version (const char *domain_name, const char *version)
921 return mono_init_internal (domain_name, NULL, version);
925 * mono_init_com_types:
927 * Initializes all types needed for COM Interop in mono_defaults structure.
930 mono_init_com_types (void)
932 static gboolean initialized = FALSE;
937 /* FIXME: do I need some threading protection here */
939 g_assert (mono_defaults.corlib);
941 mono_defaults.variant_class = mono_class_from_name (
942 mono_defaults.corlib, "System", "Variant");
943 g_assert (mono_defaults.variant_class != 0);
945 mono_defaults.com_object_class = mono_class_from_name (
946 mono_defaults.corlib, "System", "__ComObject");
947 g_assert (mono_defaults.com_object_class != 0);
949 mono_defaults.com_interop_proxy_class = mono_class_from_name (
950 mono_defaults.corlib, "Mono.Interop", "ComInteropProxy");
951 g_assert (mono_defaults.com_interop_proxy_class != 0);
953 mono_defaults.iunknown_class = mono_class_from_name (
954 mono_defaults.corlib, "Mono.Interop", "IUnknown");
955 g_assert (mono_defaults.iunknown_class != 0);
957 mono_defaults.idispatch_class = mono_class_from_name (
958 mono_defaults.corlib, "Mono.Interop", "IDispatch");
959 g_assert (mono_defaults.idispatch_class != 0);
967 * Cleans up all metadata modules.
972 mono_loader_cleanup ();
973 mono_classes_cleanup ();
974 mono_assemblies_cleanup ();
975 mono_images_cleanup ();
976 mono_raw_buffer_cleanup ();
977 mono_metadata_cleanup ();
979 TlsFree (appdomain_thread_id);
980 DeleteCriticalSection (&appdomains_mutex);
984 * mono_get_root_domain:
986 * The root AppDomain is the initial domain created by the runtime when it is
987 * initialized. Programs execute on this AppDomain, but can create new ones
988 * later. Currently there is no unmanaged API to create new AppDomains, this
989 * must be done from managed code.
991 * Returns: the root appdomain, to obtain the current domain, use mono_domain_get ()
994 mono_get_root_domain (void)
996 return mono_root_domain;
1002 * Returns: the current domain, to obtain the root domain use
1003 * mono_get_root_domain().
1008 return GET_APPDOMAIN ();
1012 * mono_domain_set_internal:
1013 * @domain: the new domain
1015 * Sets the current domain to @domain.
1018 mono_domain_set_internal (MonoDomain *domain)
1020 SET_APPDOMAIN (domain);
1021 SET_APPCONTEXT (domain->default_context);
1025 mono_domain_foreach (MonoDomainFunc func, gpointer user_data)
1031 * Create a copy of the data to avoid calling the user callback
1032 * inside the lock because that could lead to deadlocks.
1033 * We can do this because this function is not perf. critical.
1035 mono_appdomains_lock ();
1036 size = appdomain_list_size;
1037 copy = mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), NULL);
1038 memcpy (copy, appdomains_list, appdomain_list_size * sizeof (void*));
1039 mono_appdomains_unlock ();
1041 for (i = 0; i < size; ++i) {
1043 func (copy [i], user_data);
1046 mono_gc_free_fixed (copy);
1050 * mono_domain_assembly_open:
1051 * @domain: the application domain
1052 * @name: file name of the assembly
1054 * fixme: maybe we should integrate this with mono_assembly_open ??
1057 mono_domain_assembly_open (MonoDomain *domain, const char *name)
1062 mono_domain_assemblies_lock (domain);
1063 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1065 if (strcmp (name, ass->aname.name) == 0) {
1066 mono_domain_assemblies_unlock (domain);
1070 mono_domain_assemblies_unlock (domain);
1072 if (!(ass = mono_assembly_open (name, NULL)))
1079 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
1081 MonoJitDynamicMethodInfo *di = value;
1082 mono_code_manager_destroy (di->code_mp);
1087 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
1089 g_slist_free (value);
1093 mono_domain_free (MonoDomain *domain, gboolean force)
1096 if ((domain == mono_root_domain) && !force) {
1097 g_warning ("cant unload root domain");
1101 mono_appdomains_lock ();
1102 appdomains_list [domain->domain_id] = NULL;
1103 mono_appdomains_unlock ();
1105 /* FIXME: free delegate_hash_table when it's used */
1106 if (domain->search_path) {
1107 g_strfreev (domain->search_path);
1108 domain->search_path = NULL;
1110 domain->create_proxy_for_type_method = NULL;
1111 domain->private_invoke_method = NULL;
1112 domain->default_context = NULL;
1113 domain->out_of_memory_ex = NULL;
1114 domain->null_reference_ex = NULL;
1115 domain->stack_overflow_ex = NULL;
1116 domain->entry_assembly = NULL;
1117 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1118 MonoAssembly *ass = tmp->data;
1119 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Unloading domain %s %p, assembly %s %p, refcount=%d\n", domain->friendly_name, domain, ass->aname.name, ass, ass->ref_count);
1120 mono_assembly_close (ass);
1122 g_slist_free (domain->domain_assemblies);
1123 domain->domain_assemblies = NULL;
1125 g_free (domain->friendly_name);
1126 domain->friendly_name = NULL;
1127 mono_g_hash_table_destroy (domain->env);
1129 g_hash_table_destroy (domain->class_vtable_hash);
1130 domain->class_vtable_hash = NULL;
1131 g_hash_table_destroy (domain->proxy_vtable_hash);
1132 domain->proxy_vtable_hash = NULL;
1133 if (domain->static_data_array) {
1134 mono_gc_free_fixed (domain->static_data_array);
1135 domain->static_data_array = NULL;
1137 mono_internal_hash_table_destroy (&domain->jit_code_hash);
1138 if (domain->dynamic_code_hash) {
1139 g_hash_table_foreach (domain->dynamic_code_hash, dynamic_method_info_free, NULL);
1140 g_hash_table_destroy (domain->dynamic_code_hash);
1141 domain->dynamic_code_hash = NULL;
1143 mono_g_hash_table_destroy (domain->ldstr_table);
1144 domain->ldstr_table = NULL;
1145 mono_jit_info_table_free (domain->jit_info_table);
1146 domain->jit_info_table = NULL;
1147 #ifdef DEBUG_DOMAIN_UNLOAD
1148 mono_mempool_invalidate (domain->mp);
1149 mono_code_manager_invalidate (domain->code_mp);
1151 mono_mempool_destroy (domain->mp);
1153 mono_code_manager_destroy (domain->code_mp);
1154 domain->code_mp = NULL;
1156 if (domain->jump_target_hash) {
1157 g_hash_table_foreach (domain->jump_target_hash, delete_jump_list, NULL);
1158 g_hash_table_destroy (domain->jump_target_hash);
1159 domain->jump_target_hash = NULL;
1161 if (domain->type_hash) {
1162 mono_g_hash_table_destroy (domain->type_hash);
1163 domain->type_hash = NULL;
1165 if (domain->refobject_hash) {
1166 mono_g_hash_table_destroy (domain->refobject_hash);
1167 domain->refobject_hash = NULL;
1169 if (domain->type_init_exception_hash) {
1170 mono_g_hash_table_destroy (domain->type_init_exception_hash);
1171 domain->type_init_exception_hash = NULL;
1173 g_hash_table_destroy (domain->class_init_trampoline_hash);
1174 domain->class_init_trampoline_hash = NULL;
1175 g_hash_table_destroy (domain->jump_trampoline_hash);
1176 domain->jump_trampoline_hash = NULL;
1177 g_hash_table_destroy (domain->finalizable_objects_hash);
1178 domain->finalizable_objects_hash = NULL;
1179 g_hash_table_destroy (domain->jit_trampoline_hash);
1180 domain->jit_trampoline_hash = NULL;
1181 g_hash_table_destroy (domain->delegate_trampoline_hash);
1182 domain->delegate_trampoline_hash = NULL;
1183 if (domain->delegate_invoke_impl_with_target_hash) {
1184 g_hash_table_destroy (domain->delegate_invoke_impl_with_target_hash);
1185 domain->delegate_invoke_impl_with_target_hash = NULL;
1187 if (domain->delegate_invoke_impl_no_target_hash) {
1188 g_hash_table_destroy (domain->delegate_invoke_impl_no_target_hash);
1189 domain->delegate_invoke_impl_no_target_hash = NULL;
1191 if (domain->special_static_fields) {
1192 g_hash_table_destroy (domain->special_static_fields);
1193 domain->special_static_fields = NULL;
1195 DeleteCriticalSection (&domain->assemblies_lock);
1196 DeleteCriticalSection (&domain->lock);
1197 domain->setup = NULL;
1199 /* FIXME: anything else required ? */
1201 mono_gc_free_fixed (domain);
1203 if ((domain == mono_root_domain))
1204 mono_root_domain = NULL;
1208 * mono_domain_get_id:
1211 * Returns: the a domain for a specific domain id.
1214 mono_domain_get_by_id (gint32 domainid)
1216 MonoDomain * domain;
1218 mono_appdomains_lock ();
1219 if (domainid < appdomain_list_size)
1220 domain = appdomains_list [domainid];
1223 mono_appdomains_unlock ();
1229 mono_domain_get_id (MonoDomain *domain)
1231 return domain->domain_id;
1235 mono_context_set (MonoAppContext * new_context)
1237 SET_APPCONTEXT (new_context);
1241 mono_context_get (void)
1243 return GET_APPCONTEXT ();
1246 /* LOCKING: the caller holds the lock for this domain */
1248 mono_domain_add_class_static_data (MonoDomain *domain, MonoClass *klass, gpointer data, guint32 *bitmap)
1250 /* The first entry in the array is the index of the next free slot
1251 * and the total size of the array
1254 if (domain->static_data_array) {
1255 int size = GPOINTER_TO_INT (domain->static_data_array [1]);
1256 next = GPOINTER_TO_INT (domain->static_data_array [0]);
1258 gpointer *new_array = mono_gc_alloc_fixed (sizeof (gpointer) * (size * 2), NULL);
1259 memcpy (new_array, domain->static_data_array, sizeof (gpointer) * size);
1261 new_array [1] = GINT_TO_POINTER (size);
1262 mono_gc_free_fixed (domain->static_data_array);
1263 domain->static_data_array = new_array;
1267 gpointer *new_array = mono_gc_alloc_fixed (sizeof (gpointer) * size, NULL);
1269 new_array [0] = GINT_TO_POINTER (next);
1270 new_array [1] = GINT_TO_POINTER (size);
1271 domain->static_data_array = new_array;
1273 domain->static_data_array [next++] = data;
1274 domain->static_data_array [0] = GINT_TO_POINTER (next);
1278 mono_get_corlib (void)
1280 return mono_defaults.corlib;
1284 mono_get_object_class (void)
1286 return mono_defaults.object_class;
1290 mono_get_byte_class (void)
1292 return mono_defaults.byte_class;
1296 mono_get_void_class (void)
1298 return mono_defaults.void_class;
1302 mono_get_boolean_class (void)
1304 return mono_defaults.boolean_class;
1308 mono_get_sbyte_class (void)
1310 return mono_defaults.sbyte_class;
1314 mono_get_int16_class (void)
1316 return mono_defaults.int16_class;
1320 mono_get_uint16_class (void)
1322 return mono_defaults.uint16_class;
1326 mono_get_int32_class (void)
1328 return mono_defaults.int32_class;
1332 mono_get_uint32_class (void)
1334 return mono_defaults.uint32_class;
1338 mono_get_intptr_class (void)
1340 return mono_defaults.int_class;
1344 mono_get_uintptr_class (void)
1346 return mono_defaults.uint_class;
1350 mono_get_int64_class (void)
1352 return mono_defaults.int64_class;
1356 mono_get_uint64_class (void)
1358 return mono_defaults.uint64_class;
1362 mono_get_single_class (void)
1364 return mono_defaults.single_class;
1368 mono_get_double_class (void)
1370 return mono_defaults.double_class;
1374 mono_get_char_class (void)
1376 return mono_defaults.char_class;
1380 mono_get_string_class (void)
1382 return mono_defaults.string_class;
1386 mono_get_enum_class (void)
1388 return mono_defaults.enum_class;
1392 mono_get_array_class (void)
1394 return mono_defaults.array_class;
1398 mono_get_thread_class (void)
1400 return mono_defaults.thread_class;
1404 mono_get_exception_class (void)
1406 return mono_defaults.exception_class;
1410 static char* get_attribute_value (const gchar **attribute_names,
1411 const gchar **attribute_values,
1412 const char *att_name)
1415 for (n=0; attribute_names[n] != NULL; n++) {
1416 if (strcmp (attribute_names[n], att_name) == 0)
1417 return g_strdup (attribute_values[n]);
1422 static void start_element (GMarkupParseContext *context,
1423 const gchar *element_name,
1424 const gchar **attribute_names,
1425 const gchar **attribute_values,
1429 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
1431 if (strcmp (element_name, "configuration") == 0) {
1432 app_config->configuration_count++;
1435 if (strcmp (element_name, "startup") == 0) {
1436 app_config->startup_count++;
1440 if (app_config->configuration_count != 1 || app_config->startup_count != 1)
1443 if (strcmp (element_name, "requiredRuntime") == 0) {
1444 app_config->required_runtime = get_attribute_value (attribute_names, attribute_values, "version");
1445 } else if (strcmp (element_name, "supportedRuntime") == 0) {
1446 char *version = get_attribute_value (attribute_names, attribute_values, "version");
1447 app_config->supported_runtimes = g_slist_append (app_config->supported_runtimes, version);
1451 static void end_element (GMarkupParseContext *context,
1452 const gchar *element_name,
1456 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
1458 if (strcmp (element_name, "configuration") == 0) {
1459 app_config->configuration_count--;
1460 } else if (strcmp (element_name, "startup") == 0) {
1461 app_config->startup_count--;
1465 static const GMarkupParser
1474 static AppConfigInfo *
1475 app_config_parse (const char *exe_filename)
1477 AppConfigInfo *app_config;
1478 GMarkupParseContext *context;
1482 const char *bundled_config;
1483 char *config_filename;
1485 bundled_config = mono_config_string_for_assembly_file (exe_filename);
1487 if (bundled_config) {
1488 text = g_strdup (bundled_config);
1489 len = strlen (text);
1491 config_filename = g_strconcat (exe_filename, ".config", NULL);
1493 if (stat (config_filename, &buf) != 0) {
1494 g_free (config_filename);
1498 if (!g_file_get_contents (config_filename, &text, &len, NULL)) {
1499 g_free (config_filename);
1502 g_free (config_filename);
1505 app_config = g_new0 (AppConfigInfo, 1);
1507 context = g_markup_parse_context_new (&mono_parser, 0, app_config, NULL);
1508 if (g_markup_parse_context_parse (context, text, len, NULL)) {
1509 g_markup_parse_context_end_parse (context, NULL);
1511 g_markup_parse_context_free (context);
1517 app_config_free (AppConfigInfo* app_config)
1520 GSList *list = app_config->supported_runtimes;
1521 while (list != NULL) {
1522 rt = (char*)list->data;
1524 list = g_slist_next (list);
1526 g_slist_free (app_config->supported_runtimes);
1527 g_free (app_config->required_runtime);
1528 g_free (app_config);
1532 static const MonoRuntimeInfo*
1533 get_runtime_by_version (const char *version)
1536 int max = G_N_ELEMENTS (supported_runtimes);
1538 for (n=0; n<max; n++) {
1539 if (strcmp (version, supported_runtimes[n].runtime_version) == 0)
1540 return &supported_runtimes[n];
1546 get_runtimes_from_exe (const char *exe_file, const MonoRuntimeInfo** runtimes)
1548 AppConfigInfo* app_config;
1550 const MonoRuntimeInfo* runtime = NULL;
1551 MonoImage *image = NULL;
1553 app_config = app_config_parse (exe_file);
1555 if (app_config != NULL) {
1556 /* Check supportedRuntime elements, if none is supported, fail.
1557 * If there are no such elements, look for a requiredRuntime element.
1559 if (app_config->supported_runtimes != NULL) {
1561 GSList *list = app_config->supported_runtimes;
1562 while (list != NULL) {
1563 version = (char*) list->data;
1564 runtime = get_runtime_by_version (version);
1565 if (runtime != NULL)
1566 runtimes [n++] = runtime;
1567 list = g_slist_next (list);
1569 runtimes [n] = NULL;
1570 app_config_free (app_config);
1574 /* Check the requiredRuntime element. This is for 1.0 apps only. */
1575 if (app_config->required_runtime != NULL) {
1576 runtimes [0] = get_runtime_by_version (app_config->required_runtime);
1577 runtimes [1] = NULL;
1578 app_config_free (app_config);
1581 app_config_free (app_config);
1584 /* Look for a runtime with the exact version */
1585 image = mono_assembly_open_from_bundle (exe_file, NULL, FALSE);
1588 image = mono_image_open (exe_file, NULL);
1590 if (image == NULL) {
1591 /* The image is wrong or the file was not found. In this case return
1592 * a default runtime and leave to the initialization method the work of
1593 * reporting the error.
1595 runtimes [0] = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
1596 runtimes [1] = NULL;
1601 * FIXME: This would cause us to unload the image, and it will be loaded again later.
1602 * Disabling it will mean the initial exe will not be unloaded on shutdown.
1604 //mono_image_close (image);
1606 runtimes [0] = get_runtime_by_version (image->version);
1607 runtimes [1] = NULL;
1612 * mono_get_runtime_info:
1614 * Returns: the version of the current runtime instance.
1616 const MonoRuntimeInfo*
1617 mono_get_runtime_info (void)
1619 return current_runtime;
1623 mono_debugger_check_runtime_version (const char *filename)
1625 const MonoRuntimeInfo* runtimes [G_N_ELEMENTS (supported_runtimes) + 1];
1626 const MonoRuntimeInfo *rinfo;
1628 get_runtimes_from_exe (filename, runtimes);
1629 rinfo = runtimes [0];
1632 return g_strdup_printf ("Cannot get runtime version from assembly `%s'", filename);
1634 if (rinfo != current_runtime)
1635 return g_strdup_printf ("The Mono Debugger is currently using the `%s' runtime, but "
1636 "the assembly `%s' requires version `%s'", current_runtime->runtime_version,
1637 filename, rinfo->runtime_version);