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 <metadata/threads.h>
34 /* #define DEBUG_DOMAIN_UNLOAD */
36 /* we need to use both the Tls* functions and __thread because
37 * some archs may generate faster jit code with one meachanism
38 * or the other (we used to do it because tls slots were GC-tracked,
39 * but we can't depend on this).
41 static guint32 appdomain_thread_id = -1;
44 static __thread MonoDomain * tls_appdomain MONO_TLS_FAST;
45 #define GET_APPDOMAIN() tls_appdomain
46 #define SET_APPDOMAIN(x) do { \
48 TlsSetValue (appdomain_thread_id, x); \
53 #define GET_APPDOMAIN() ((MonoDomain *)TlsGetValue (appdomain_thread_id))
54 #define SET_APPDOMAIN(x) TlsSetValue (appdomain_thread_id, x);
58 #define GET_APPCONTEXT() (mono_thread_current ()->current_appcontext)
59 #define SET_APPCONTEXT(x) MONO_OBJECT_SETREF (mono_thread_current (), current_appcontext, (x))
61 static guint16 appdomain_list_size = 0;
62 static guint16 appdomain_next = 0;
63 static MonoDomain **appdomains_list = NULL;
65 #define mono_appdomains_lock() EnterCriticalSection (&appdomains_mutex)
66 #define mono_appdomains_unlock() LeaveCriticalSection (&appdomains_mutex)
67 static CRITICAL_SECTION appdomains_mutex;
69 static MonoDomain *mono_root_domain = NULL;
71 /* AppConfigInfo: Information about runtime versions supported by an
75 GSList *supported_runtimes;
76 char *required_runtime;
77 int configuration_count;
82 * AotModuleInfo: Contains information about AOT modules.
89 static const MonoRuntimeInfo *current_runtime = NULL;
91 static MonoJitInfoFindInAot jit_info_find_in_aot_func = NULL;
94 * Contains information about AOT loaded code.
96 static MonoJitInfoTable *aot_modules = NULL;
98 /* This is the list of runtime versions supported by this JIT.
100 static const MonoRuntimeInfo supported_runtimes[] = {
101 {"v1.0.3705", "1.0", { {1,0,5000,0}, {7,0,5000,0} } },
102 {"v1.1.4322", "1.0", { {1,0,5000,0}, {7,0,5000,0} } },
103 {"v2.0.50215","2.0", { {2,0,0,0}, {8,0,0,0} } },
104 {"v2.0.50727","2.0", { {2,0,0,0}, {8,0,0,0} } }
108 /* The stable runtime version */
109 #define DEFAULT_RUNTIME_VERSION "v1.1.4322"
112 get_runtimes_from_exe (const char *exe_file, const MonoRuntimeInfo** runtimes);
114 static const MonoRuntimeInfo*
115 get_runtime_by_version (const char *version);
118 mono_jit_info_find_aot_module (guint8* addr);
121 mono_domain_get_tls_key (void)
123 return appdomain_thread_id;
127 mono_domain_get_tls_offset (void)
130 MONO_THREAD_VAR_OFFSET (tls_appdomain, offset);
131 /* __asm ("jmp 1f; .section writetext, \"awx\"; 1: movl $tls_appdomain@ntpoff, %0; jmp 2f; .previous; 2:"
136 static MonoJitInfoTable *
137 mono_jit_info_table_new (void)
139 return g_array_new (FALSE, FALSE, sizeof (gpointer));
143 mono_jit_info_table_free (MonoJitInfoTable *table)
145 g_array_free (table, TRUE);
149 mono_jit_info_table_index (MonoJitInfoTable *table, char *addr)
151 int left = 0, right = table->len;
153 while (left < right) {
154 int pos = (left + right) / 2;
155 MonoJitInfo *ji = g_array_index (table, gpointer, pos);
156 char *start = ji->code_start;
157 char *end = start + ji->code_size;
161 else if (addr >= end)
171 mono_jit_info_table_find (MonoDomain *domain, char *addr)
173 MonoJitInfoTable *table = domain->jit_info_table;
175 guint left = 0, right;
177 mono_domain_lock (domain);
180 while (left < right) {
181 guint pos = (left + right) / 2;
182 ji = g_array_index (table, gpointer, pos);
184 if (addr < (char*)ji->code_start)
186 else if (addr >= (char*)ji->code_start + ji->code_size)
189 mono_domain_unlock (domain);
193 mono_domain_unlock (domain);
195 /* maybe it is shared code, so we also search in the root domain */
197 if (domain != mono_root_domain)
198 ji = mono_jit_info_table_find (mono_root_domain, addr);
201 /* Maybe its an AOT module */
202 MonoImage *image = mono_jit_info_find_aot_module ((guint8*)addr);
204 ji = jit_info_find_in_aot_func (domain, image, addr);
211 mono_jit_info_table_add (MonoDomain *domain, MonoJitInfo *ji)
213 MonoJitInfoTable *table = domain->jit_info_table;
214 gpointer start = ji->code_start;
217 mono_domain_lock (domain);
218 pos = mono_jit_info_table_index (table, start);
220 g_array_insert_val (table, pos, ji);
221 mono_domain_unlock (domain);
225 mono_jit_info_table_remove (MonoDomain *domain, MonoJitInfo *ji)
227 MonoJitInfoTable *table = domain->jit_info_table;
228 gpointer start = ji->code_start;
231 mono_domain_lock (domain);
232 pos = mono_jit_info_table_index (table, start);
233 if (g_array_index (table, gpointer, pos) != ji) {
234 MonoJitInfo *ji2 = g_array_index (table, gpointer, pos);
235 g_assert (ji == ji2);
237 g_assert (g_array_index (table, gpointer, pos) == ji);
239 g_array_remove_index (table, pos);
240 mono_domain_unlock (domain);
244 aot_info_table_index (MonoJitInfoTable *table, char *addr)
246 int left = 0, right = table->len;
248 while (left < right) {
249 int pos = (left + right) / 2;
250 AotModuleInfo *ainfo = g_array_index (table, gpointer, pos);
251 char *start = ainfo->start;
252 char *end = ainfo->end;
256 else if (addr >= end)
266 mono_jit_info_add_aot_module (MonoImage *image, gpointer start, gpointer end)
268 AotModuleInfo *ainfo = g_new0 (AotModuleInfo, 1);
271 ainfo->image = image;
272 ainfo->start = start;
275 mono_appdomains_lock ();
278 aot_modules = mono_jit_info_table_new ();
280 pos = aot_info_table_index (aot_modules, start);
282 g_array_insert_val (aot_modules, pos, ainfo);
284 mono_appdomains_unlock ();
288 mono_jit_info_find_aot_module (guint8* addr)
290 guint left = 0, right;
295 mono_appdomains_lock ();
297 right = aot_modules->len;
298 while (left < right) {
299 guint pos = (left + right) / 2;
300 AotModuleInfo *ai = g_array_index (aot_modules, gpointer, pos);
302 if (addr < (guint8*)ai->start)
304 else if (addr >= (guint8*)ai->end)
307 mono_appdomains_unlock ();
312 mono_appdomains_unlock ();
318 mono_install_jit_info_find_in_aot (MonoJitInfoFindInAot func)
320 jit_info_find_in_aot_func = func;
324 mono_jit_info_get_code_start (MonoJitInfo* ji)
326 return ji->code_start;
330 mono_jit_info_get_code_size (MonoJitInfo* ji)
332 return ji->code_size;
336 mono_jit_info_get_method (MonoJitInfo* ji)
342 mono_string_equal (MonoString *s1, MonoString *s2)
344 int l1 = mono_string_length (s1);
345 int l2 = mono_string_length (s2);
352 return memcmp (mono_string_chars (s1), mono_string_chars (s2), l1 * 2) == 0;
356 mono_string_hash (MonoString *s)
358 const guint16 *p = mono_string_chars (s);
359 int i, len = mono_string_length (s);
362 for (i = 0; i < len; i++) {
363 h = (h << 5) - h + *p;
371 mono_ptrarray_equal (gpointer *s1, gpointer *s2)
373 int len = GPOINTER_TO_INT (s1 [0]);
374 if (len != GPOINTER_TO_INT (s2 [0]))
377 return memcmp (s1 + 1, s2 + 1, len * sizeof(gpointer)) == 0;
381 mono_ptrarray_hash (gpointer *s)
384 int len = GPOINTER_TO_INT (s [0]);
387 for (i = 1; i < len; i++)
388 hash += GPOINTER_TO_UINT (s [i]);
394 * Allocate an id for domain and set domain->domain_id.
395 * LOCKING: must be called while holding appdomains_mutex.
396 * We try to assign low numbers to the domain, so it can be used
397 * as an index in data tables to lookup domain-specific info
398 * with minimal memory overhead. We also try not to reuse the
399 * same id too quickly (to help debugging).
402 domain_id_alloc (MonoDomain *domain)
405 if (!appdomains_list) {
406 appdomain_list_size = 2;
407 appdomains_list = mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), NULL);
409 for (i = appdomain_next; i < appdomain_list_size; ++i) {
410 if (!appdomains_list [i]) {
416 for (i = 0; i < appdomain_next; ++i) {
417 if (!appdomains_list [i]) {
424 MonoDomain **new_list;
425 int new_size = appdomain_list_size * 2;
426 if (new_size >= (1 << 16))
427 g_assert_not_reached ();
428 id = appdomain_list_size;
429 new_list = mono_gc_alloc_fixed (new_size * sizeof (void*), NULL);
430 memcpy (new_list, appdomains_list, appdomain_list_size * sizeof (void*));
431 mono_gc_free_fixed (appdomains_list);
432 appdomains_list = new_list;
433 appdomain_list_size = new_size;
435 domain->domain_id = id;
436 appdomains_list [id] = domain;
438 if (appdomain_next > appdomain_list_size)
443 static guint32 domain_gc_bitmap [sizeof(MonoDomain)/4/32 + 1];
444 static gpointer domain_gc_desc = NULL;
447 mono_domain_create (void)
451 mono_appdomains_lock ();
452 if (!domain_gc_desc) {
453 unsigned int i, bit = 0;
454 for (i = G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_OBJECT); i < G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_GC_TRACKED); i += sizeof (gpointer)) {
455 bit = i / sizeof (gpointer);
456 domain_gc_bitmap [bit / 32] |= 1 << (bit % 32);
458 domain_gc_desc = mono_gc_make_descr_from_bitmap (domain_gc_bitmap, bit + 1);
460 mono_appdomains_unlock ();
462 domain = mono_gc_alloc_fixed (sizeof (MonoDomain), domain_gc_desc);
463 domain->domain = NULL;
464 domain->setup = NULL;
465 domain->friendly_name = NULL;
466 domain->search_path = NULL;
468 domain->mp = mono_mempool_new ();
469 domain->code_mp = mono_code_manager_new ();
470 domain->env = mono_g_hash_table_new_type ((GHashFunc)mono_string_hash, (GCompareFunc)mono_string_equal, MONO_HASH_KEY_VALUE_GC);
471 domain->domain_assemblies = NULL;
472 domain->class_vtable_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
473 domain->proxy_vtable_hash = g_hash_table_new ((GHashFunc)mono_ptrarray_hash, (GCompareFunc)mono_ptrarray_equal);
474 domain->static_data_array = NULL;
475 domain->jit_code_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
476 domain->ldstr_table = mono_g_hash_table_new ((GHashFunc)mono_string_hash, (GCompareFunc)mono_string_equal);
477 domain->jit_info_table = mono_jit_info_table_new ();
478 domain->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
479 domain->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
480 domain->finalizable_objects_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
481 domain->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
482 domain->delegate_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
484 InitializeCriticalSection (&domain->lock);
485 InitializeCriticalSection (&domain->assemblies_lock);
487 mono_appdomains_lock ();
488 domain_id_alloc (domain);
489 mono_appdomains_unlock ();
495 * mono_init_internal:
497 * Creates the initial application domain and initializes the mono_defaults
499 * This function is guaranteed to not run any IL code.
500 * If exe_filename is not NULL, the method will determine the required runtime
501 * from the exe configuration file or the version PE field.
502 * If runtime_version is not NULL, that runtime version will be used.
503 * Either exe_filename or runtime_version must be provided.
505 * Returns: the initial domain.
508 mono_init_internal (const char *filename, const char *exe_filename, const char *runtime_version)
510 static MonoDomain *domain = NULL;
511 MonoAssembly *ass = NULL;
512 MonoImageOpenStatus status = MONO_IMAGE_OK;
513 const MonoRuntimeInfo* runtimes [G_N_ELEMENTS (supported_runtimes) + 1];
517 g_assert_not_reached ();
521 appdomain_thread_id = TlsAlloc ();
523 InitializeCriticalSection (&appdomains_mutex);
525 mono_metadata_init ();
526 mono_raw_buffer_init ();
528 mono_assemblies_init ();
529 mono_classes_init ();
532 /* FIXME: When should we release this memory? */
533 MONO_GC_REGISTER_ROOT (appdomains_list);
535 domain = mono_domain_create ();
536 mono_root_domain = domain;
538 SET_APPDOMAIN (domain);
540 /* Get a list of runtimes supported by the exe */
541 if (exe_filename != NULL) {
542 get_runtimes_from_exe (exe_filename, runtimes);
543 } else if (runtime_version != NULL) {
544 runtimes [0] = get_runtime_by_version (runtime_version);
548 if (runtimes [0] == NULL) {
549 const MonoRuntimeInfo *default_runtime = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
550 runtimes [0] = default_runtime;
552 g_print ("WARNING: The runtime version supported by this application is unavailable.\n");
553 g_print ("Using default runtime: %s\n", default_runtime->runtime_version);
556 /* The selected runtime will be the first one for which there is a mscrolib.dll */
557 for (n = 0; runtimes [n] != NULL && ass == NULL; n++) {
558 current_runtime = runtimes [n];
559 ass = mono_assembly_load_corlib (current_runtime, &status);
560 if (status != MONO_IMAGE_OK && status != MONO_IMAGE_ERROR_ERRNO)
564 if ((status != MONO_IMAGE_OK) || (ass == NULL)) {
566 case MONO_IMAGE_ERROR_ERRNO: {
567 char *corlib_file = g_build_filename (mono_assembly_getrootdir (), "mono", current_runtime->framework_version, "mscorlib.dll", NULL);
568 g_print ("The assembly mscorlib.dll was not found or could not be loaded.\n");
569 g_print ("It should have been installed in the `%s' directory.\n", corlib_file);
570 g_free (corlib_file);
573 case MONO_IMAGE_IMAGE_INVALID:
574 g_print ("The file %s/mscorlib.dll is an invalid CIL image\n",
575 mono_assembly_getrootdir ());
577 case MONO_IMAGE_MISSING_ASSEMBLYREF:
578 g_print ("Missing assembly reference in %s/mscorlib.dll\n",
579 mono_assembly_getrootdir ());
582 /* to suppress compiler warning */
588 mono_defaults.corlib = mono_assembly_get_image (ass);
590 mono_defaults.object_class = mono_class_from_name (
591 mono_defaults.corlib, "System", "Object");
592 g_assert (mono_defaults.object_class != 0);
594 mono_defaults.void_class = mono_class_from_name (
595 mono_defaults.corlib, "System", "Void");
596 g_assert (mono_defaults.void_class != 0);
598 mono_defaults.boolean_class = mono_class_from_name (
599 mono_defaults.corlib, "System", "Boolean");
600 g_assert (mono_defaults.boolean_class != 0);
602 mono_defaults.byte_class = mono_class_from_name (
603 mono_defaults.corlib, "System", "Byte");
604 g_assert (mono_defaults.byte_class != 0);
606 mono_defaults.sbyte_class = mono_class_from_name (
607 mono_defaults.corlib, "System", "SByte");
608 g_assert (mono_defaults.sbyte_class != 0);
610 mono_defaults.int16_class = mono_class_from_name (
611 mono_defaults.corlib, "System", "Int16");
612 g_assert (mono_defaults.int16_class != 0);
614 mono_defaults.uint16_class = mono_class_from_name (
615 mono_defaults.corlib, "System", "UInt16");
616 g_assert (mono_defaults.uint16_class != 0);
618 mono_defaults.int32_class = mono_class_from_name (
619 mono_defaults.corlib, "System", "Int32");
620 g_assert (mono_defaults.int32_class != 0);
622 mono_defaults.uint32_class = mono_class_from_name (
623 mono_defaults.corlib, "System", "UInt32");
624 g_assert (mono_defaults.uint32_class != 0);
626 mono_defaults.uint_class = mono_class_from_name (
627 mono_defaults.corlib, "System", "UIntPtr");
628 g_assert (mono_defaults.uint_class != 0);
630 mono_defaults.int_class = mono_class_from_name (
631 mono_defaults.corlib, "System", "IntPtr");
632 g_assert (mono_defaults.int_class != 0);
634 mono_defaults.int64_class = mono_class_from_name (
635 mono_defaults.corlib, "System", "Int64");
636 g_assert (mono_defaults.int64_class != 0);
638 mono_defaults.uint64_class = mono_class_from_name (
639 mono_defaults.corlib, "System", "UInt64");
640 g_assert (mono_defaults.uint64_class != 0);
642 mono_defaults.single_class = mono_class_from_name (
643 mono_defaults.corlib, "System", "Single");
644 g_assert (mono_defaults.single_class != 0);
646 mono_defaults.double_class = mono_class_from_name (
647 mono_defaults.corlib, "System", "Double");
648 g_assert (mono_defaults.double_class != 0);
650 mono_defaults.char_class = mono_class_from_name (
651 mono_defaults.corlib, "System", "Char");
652 g_assert (mono_defaults.char_class != 0);
654 mono_defaults.string_class = mono_class_from_name (
655 mono_defaults.corlib, "System", "String");
656 g_assert (mono_defaults.string_class != 0);
658 mono_defaults.enum_class = mono_class_from_name (
659 mono_defaults.corlib, "System", "Enum");
660 g_assert (mono_defaults.enum_class != 0);
662 mono_defaults.array_class = mono_class_from_name (
663 mono_defaults.corlib, "System", "Array");
664 g_assert (mono_defaults.array_class != 0);
666 mono_defaults.delegate_class = mono_class_from_name (
667 mono_defaults.corlib, "System", "Delegate");
668 g_assert (mono_defaults.delegate_class != 0 );
670 mono_defaults.multicastdelegate_class = mono_class_from_name (
671 mono_defaults.corlib, "System", "MulticastDelegate");
672 g_assert (mono_defaults.multicastdelegate_class != 0 );
674 mono_defaults.asyncresult_class = mono_class_from_name (
675 mono_defaults.corlib, "System.Runtime.Remoting.Messaging",
677 g_assert (mono_defaults.asyncresult_class != 0 );
679 mono_defaults.waithandle_class = mono_class_from_name (
680 mono_defaults.corlib, "System.Threading", "WaitHandle");
681 g_assert (mono_defaults.waithandle_class != 0 );
683 mono_defaults.typehandle_class = mono_class_from_name (
684 mono_defaults.corlib, "System", "RuntimeTypeHandle");
685 g_assert (mono_defaults.typehandle_class != 0);
687 mono_defaults.methodhandle_class = mono_class_from_name (
688 mono_defaults.corlib, "System", "RuntimeMethodHandle");
689 g_assert (mono_defaults.methodhandle_class != 0);
691 mono_defaults.fieldhandle_class = mono_class_from_name (
692 mono_defaults.corlib, "System", "RuntimeFieldHandle");
693 g_assert (mono_defaults.fieldhandle_class != 0);
695 mono_defaults.systemtype_class = mono_class_from_name (
696 mono_defaults.corlib, "System", "Type");
697 g_assert (mono_defaults.systemtype_class != 0);
699 mono_defaults.monotype_class = mono_class_from_name (
700 mono_defaults.corlib, "System", "MonoType");
701 g_assert (mono_defaults.monotype_class != 0);
703 mono_defaults.exception_class = mono_class_from_name (
704 mono_defaults.corlib, "System", "Exception");
705 g_assert (mono_defaults.exception_class != 0);
707 mono_defaults.threadabortexception_class = mono_class_from_name (
708 mono_defaults.corlib, "System.Threading", "ThreadAbortException");
709 g_assert (mono_defaults.threadabortexception_class != 0);
711 mono_defaults.thread_class = mono_class_from_name (
712 mono_defaults.corlib, "System.Threading", "Thread");
713 g_assert (mono_defaults.thread_class != 0);
715 mono_defaults.appdomain_class = mono_class_from_name (
716 mono_defaults.corlib, "System", "AppDomain");
717 g_assert (mono_defaults.appdomain_class != 0);
719 mono_defaults.transparent_proxy_class = mono_class_from_name (
720 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "TransparentProxy");
721 g_assert (mono_defaults.transparent_proxy_class != 0);
723 mono_defaults.real_proxy_class = mono_class_from_name (
724 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "RealProxy");
725 g_assert (mono_defaults.real_proxy_class != 0);
727 mono_defaults.mono_method_message_class = mono_class_from_name (
728 mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "MonoMethodMessage");
729 g_assert (mono_defaults.mono_method_message_class != 0);
731 mono_defaults.field_info_class = mono_class_from_name (
732 mono_defaults.corlib, "System.Reflection", "FieldInfo");
733 g_assert (mono_defaults.field_info_class != 0);
735 mono_defaults.method_info_class = mono_class_from_name (
736 mono_defaults.corlib, "System.Reflection", "MethodInfo");
737 g_assert (mono_defaults.method_info_class != 0);
739 mono_defaults.stringbuilder_class = mono_class_from_name (
740 mono_defaults.corlib, "System.Text", "StringBuilder");
741 g_assert (mono_defaults.stringbuilder_class != 0);
743 mono_defaults.math_class = mono_class_from_name (
744 mono_defaults.corlib, "System", "Math");
745 g_assert (mono_defaults.math_class != 0);
747 mono_defaults.stack_frame_class = mono_class_from_name (
748 mono_defaults.corlib, "System.Diagnostics", "StackFrame");
749 g_assert (mono_defaults.stack_frame_class != 0);
751 mono_defaults.stack_trace_class = mono_class_from_name (
752 mono_defaults.corlib, "System.Diagnostics", "StackTrace");
753 g_assert (mono_defaults.stack_trace_class != 0);
755 mono_defaults.marshal_class = mono_class_from_name (
756 mono_defaults.corlib, "System.Runtime.InteropServices", "Marshal");
757 g_assert (mono_defaults.marshal_class != 0);
759 mono_defaults.iserializeable_class = mono_class_from_name (
760 mono_defaults.corlib, "System.Runtime.Serialization", "ISerializable");
761 g_assert (mono_defaults.iserializeable_class != 0);
763 mono_defaults.serializationinfo_class = mono_class_from_name (
764 mono_defaults.corlib, "System.Runtime.Serialization", "SerializationInfo");
765 g_assert (mono_defaults.serializationinfo_class != 0);
767 mono_defaults.streamingcontext_class = mono_class_from_name (
768 mono_defaults.corlib, "System.Runtime.Serialization", "StreamingContext");
769 g_assert (mono_defaults.streamingcontext_class != 0);
771 mono_defaults.typed_reference_class = mono_class_from_name (
772 mono_defaults.corlib, "System", "TypedReference");
773 g_assert (mono_defaults.typed_reference_class != 0);
775 mono_defaults.argumenthandle_class = mono_class_from_name (
776 mono_defaults.corlib, "System", "RuntimeArgumentHandle");
777 g_assert (mono_defaults.argumenthandle_class != 0);
779 mono_defaults.marshalbyrefobject_class = mono_class_from_name (
780 mono_defaults.corlib, "System", "MarshalByRefObject");
781 g_assert (mono_defaults.marshalbyrefobject_class != 0);
783 mono_defaults.monitor_class = mono_class_from_name (
784 mono_defaults.corlib, "System.Threading", "Monitor");
785 g_assert (mono_defaults.monitor_class != 0);
787 mono_defaults.iremotingtypeinfo_class = mono_class_from_name (
788 mono_defaults.corlib, "System.Runtime.Remoting", "IRemotingTypeInfo");
789 g_assert (mono_defaults.iremotingtypeinfo_class != 0);
791 mono_defaults.runtimesecurityframe_class = mono_class_from_name (
792 mono_defaults.corlib, "System.Security", "RuntimeSecurityFrame");
794 mono_defaults.executioncontext_class = mono_class_from_name (
795 mono_defaults.corlib, "System.Threading", "ExecutionContext");
797 mono_defaults.internals_visible_class = mono_class_from_name (
798 mono_defaults.corlib, "System.Runtime.CompilerServices", "InternalsVisibleToAttribute");
800 mono_defaults.variant_class = mono_class_from_name (
801 mono_defaults.corlib, "System", "Variant");
804 * Note that mono_defaults.generic_*_class is only non-NULL if we're
805 * using the 2.0 corlib.
807 mono_class_init (mono_defaults.array_class);
808 mono_defaults.generic_array_class = mono_class_from_name (
809 mono_defaults.corlib, "System", "Array/InternalArray`1");
810 mono_defaults.generic_nullable_class = mono_class_from_name (
811 mono_defaults.corlib, "System", "Nullable`1");
813 domain->friendly_name = g_path_get_basename (filename);
821 * Creates the initial application domain and initializes the mono_defaults
823 * This function is guaranteed to not run any IL code.
824 * The runtime is initialized using the default runtime version.
826 * Returns: the initial domain.
829 mono_init (const char *domain_name)
831 return mono_init_internal (domain_name, NULL, DEFAULT_RUNTIME_VERSION);
835 * mono_init_from_assembly:
837 * Creates the initial application domain and initializes the mono_defaults
839 * This function is guaranteed to not run any IL code.
840 * The runtime is initialized using the runtime version required by the
841 * provided executable. The version is determined by looking at the exe
842 * configuration file and the version PE field)
844 * Returns: the initial domain.
847 mono_init_from_assembly (const char *domain_name, const char *filename)
849 return mono_init_internal (domain_name, filename, NULL);
855 * Creates the initial application domain and initializes the mono_defaults
857 * This function is guaranteed to not run any IL code.
858 * The runtime is initialized using the provided rutime version.
860 * Returns: the initial domain.
863 mono_init_version (const char *domain_name, const char *version)
865 return mono_init_internal (domain_name, NULL, version);
871 * Cleans up all metadata modules.
876 mono_loader_cleanup ();
877 mono_classes_cleanup ();
878 mono_assemblies_cleanup ();
879 mono_images_cleanup ();
880 mono_raw_buffer_cleanup ();
881 mono_metadata_cleanup ();
883 TlsFree (appdomain_thread_id);
884 DeleteCriticalSection (&appdomains_mutex);
888 * mono_get_root_domain:
890 * Returns: the root appdomain.
893 mono_get_root_domain (void)
895 return mono_root_domain;
901 * Returns: the current domain.
906 return GET_APPDOMAIN ();
910 * mono_domain_set_internal:
911 * @domain: the new domain
913 * Sets the current domain to @domain.
916 mono_domain_set_internal (MonoDomain *domain)
918 SET_APPDOMAIN (domain);
919 SET_APPCONTEXT (domain->default_context);
923 mono_domain_foreach (MonoDomainFunc func, gpointer user_data)
929 * Create a copy of the data to avoid calling the user callback
930 * inside the lock because that could lead to deadlocks.
931 * We can do this because this function is not perf. critical.
933 mono_appdomains_lock ();
934 size = appdomain_list_size;
935 copy = mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), NULL);
936 memcpy (copy, appdomains_list, appdomain_list_size * sizeof (void*));
937 mono_appdomains_unlock ();
939 for (i = 0; i < size; ++i) {
941 func (copy [i], user_data);
944 mono_gc_free_fixed (copy);
948 * mono_domain_assembly_open:
949 * @domain: the application domain
950 * @name: file name of the assembly
952 * fixme: maybe we should integrate this with mono_assembly_open ??
955 mono_domain_assembly_open (MonoDomain *domain, const char *name)
960 mono_domain_assemblies_lock (domain);
961 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
963 if (strcmp (name, ass->aname.name) == 0) {
964 mono_domain_assemblies_unlock (domain);
968 mono_domain_assemblies_unlock (domain);
970 if (!(ass = mono_assembly_open (name, NULL)))
977 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
979 MonoJitDynamicMethodInfo *di = value;
980 mono_code_manager_destroy (di->code_mp);
985 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
987 g_slist_free (value);
991 mono_domain_free (MonoDomain *domain, gboolean force)
994 if ((domain == mono_root_domain) && !force) {
995 g_warning ("cant unload root domain");
999 mono_appdomains_lock ();
1000 appdomains_list [domain->domain_id] = NULL;
1001 mono_appdomains_unlock ();
1003 /* FIXME: free delegate_hash_table when it's used */
1004 if (domain->search_path) {
1005 g_strfreev (domain->search_path);
1006 domain->search_path = NULL;
1008 domain->create_proxy_for_type_method = NULL;
1009 domain->private_invoke_method = NULL;
1010 domain->default_context = NULL;
1011 domain->out_of_memory_ex = NULL;
1012 domain->null_reference_ex = NULL;
1013 domain->stack_overflow_ex = NULL;
1014 domain->entry_assembly = NULL;
1015 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1016 MonoAssembly *ass = tmp->data;
1017 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);
1018 mono_assembly_close (ass);
1020 g_slist_free (domain->domain_assemblies);
1021 domain->domain_assemblies = NULL;
1023 g_free (domain->friendly_name);
1024 domain->friendly_name = NULL;
1025 mono_g_hash_table_destroy (domain->env);
1027 g_hash_table_destroy (domain->class_vtable_hash);
1028 domain->class_vtable_hash = NULL;
1029 g_hash_table_destroy (domain->proxy_vtable_hash);
1030 domain->proxy_vtable_hash = NULL;
1031 if (domain->static_data_array) {
1032 mono_gc_free_fixed (domain->static_data_array);
1033 domain->static_data_array = NULL;
1035 g_hash_table_destroy (domain->jit_code_hash);
1036 domain->jit_code_hash = NULL;
1037 if (domain->dynamic_code_hash) {
1038 g_hash_table_foreach (domain->dynamic_code_hash, dynamic_method_info_free, NULL);
1039 g_hash_table_destroy (domain->dynamic_code_hash);
1040 domain->dynamic_code_hash = NULL;
1042 mono_g_hash_table_destroy (domain->ldstr_table);
1043 domain->ldstr_table = NULL;
1044 mono_jit_info_table_free (domain->jit_info_table);
1045 domain->jit_info_table = NULL;
1046 #ifdef DEBUG_DOMAIN_UNLOAD
1047 mono_mempool_invalidate (domain->mp);
1048 mono_code_manager_invalidate (domain->code_mp);
1050 mono_mempool_destroy (domain->mp);
1052 mono_code_manager_destroy (domain->code_mp);
1053 domain->code_mp = NULL;
1055 if (domain->jump_target_hash) {
1056 g_hash_table_foreach (domain->jump_target_hash, delete_jump_list, NULL);
1057 g_hash_table_destroy (domain->jump_target_hash);
1058 domain->jump_target_hash = NULL;
1060 if (domain->type_hash) {
1061 mono_g_hash_table_destroy (domain->type_hash);
1062 domain->type_hash = NULL;
1064 if (domain->refobject_hash) {
1065 mono_g_hash_table_destroy (domain->refobject_hash);
1066 domain->refobject_hash = NULL;
1068 g_hash_table_destroy (domain->class_init_trampoline_hash);
1069 domain->class_init_trampoline_hash = NULL;
1070 g_hash_table_destroy (domain->jump_trampoline_hash);
1071 domain->jump_trampoline_hash = NULL;
1072 g_hash_table_destroy (domain->finalizable_objects_hash);
1073 domain->finalizable_objects_hash = NULL;
1074 g_hash_table_destroy (domain->jit_trampoline_hash);
1075 domain->jit_trampoline_hash = NULL;
1076 g_hash_table_destroy (domain->delegate_trampoline_hash);
1077 domain->delegate_trampoline_hash = NULL;
1078 if (domain->special_static_fields) {
1079 g_hash_table_destroy (domain->special_static_fields);
1080 domain->special_static_fields = NULL;
1082 DeleteCriticalSection (&domain->assemblies_lock);
1083 DeleteCriticalSection (&domain->lock);
1084 domain->setup = NULL;
1086 /* FIXME: anything else required ? */
1088 mono_gc_free_fixed (domain);
1090 if ((domain == mono_root_domain))
1091 mono_root_domain = NULL;
1095 * mono_domain_get_id:
1097 * Returns: the a domain for a specific domain id.
1100 mono_domain_get_by_id (gint32 domainid)
1102 MonoDomain * domain;
1104 mono_appdomains_lock ();
1105 if (domainid < appdomain_list_size)
1106 domain = appdomains_list [domainid];
1109 mono_appdomains_unlock ();
1115 mono_domain_get_id (MonoDomain *domain)
1117 return domain->domain_id;
1121 mono_context_set (MonoAppContext * new_context)
1123 SET_APPCONTEXT (new_context);
1127 mono_context_get (void)
1129 return GET_APPCONTEXT ();
1132 /* LOCKING: the caller holds the lock for this domain */
1134 mono_domain_add_class_static_data (MonoDomain *domain, MonoClass *klass, gpointer data, guint32 *bitmap)
1136 /* The first entry in the array is the index of the next free slot
1137 * and the total size of the array
1140 if (domain->static_data_array) {
1141 int size = GPOINTER_TO_INT (domain->static_data_array [1]);
1142 next = GPOINTER_TO_INT (domain->static_data_array [0]);
1144 gpointer *new_array = mono_gc_alloc_fixed (sizeof (gpointer) * (size * 2), NULL);
1145 memcpy (new_array, domain->static_data_array, sizeof (gpointer) * size);
1147 new_array [1] = GINT_TO_POINTER (size);
1148 mono_gc_free_fixed (domain->static_data_array);
1149 domain->static_data_array = new_array;
1153 gpointer *new_array = mono_gc_alloc_fixed (sizeof (gpointer) * size, NULL);
1155 new_array [0] = GINT_TO_POINTER (next);
1156 new_array [1] = GINT_TO_POINTER (size);
1157 domain->static_data_array = new_array;
1159 domain->static_data_array [next++] = data;
1160 domain->static_data_array [0] = GINT_TO_POINTER (next);
1164 mono_get_corlib (void)
1166 return mono_defaults.corlib;
1170 mono_get_object_class (void)
1172 return mono_defaults.object_class;
1176 mono_get_byte_class (void)
1178 return mono_defaults.byte_class;
1182 mono_get_void_class (void)
1184 return mono_defaults.void_class;
1188 mono_get_boolean_class (void)
1190 return mono_defaults.boolean_class;
1194 mono_get_sbyte_class (void)
1196 return mono_defaults.sbyte_class;
1200 mono_get_int16_class (void)
1202 return mono_defaults.int16_class;
1206 mono_get_uint16_class (void)
1208 return mono_defaults.uint16_class;
1212 mono_get_int32_class (void)
1214 return mono_defaults.int32_class;
1218 mono_get_uint32_class (void)
1220 return mono_defaults.uint32_class;
1224 mono_get_intptr_class (void)
1226 return mono_defaults.int_class;
1230 mono_get_uintptr_class (void)
1232 return mono_defaults.uint_class;
1236 mono_get_int64_class (void)
1238 return mono_defaults.int64_class;
1242 mono_get_uint64_class (void)
1244 return mono_defaults.uint64_class;
1248 mono_get_single_class (void)
1250 return mono_defaults.single_class;
1254 mono_get_double_class (void)
1256 return mono_defaults.double_class;
1260 mono_get_char_class (void)
1262 return mono_defaults.char_class;
1266 mono_get_string_class (void)
1268 return mono_defaults.string_class;
1272 mono_get_enum_class (void)
1274 return mono_defaults.enum_class;
1278 mono_get_array_class (void)
1280 return mono_defaults.array_class;
1284 mono_get_thread_class (void)
1286 return mono_defaults.thread_class;
1290 mono_get_exception_class (void)
1292 return mono_defaults.exception_class;
1296 static char* get_attribute_value (const gchar **attribute_names,
1297 const gchar **attribute_values,
1298 const char *att_name)
1301 for (n=0; attribute_names[n] != NULL; n++) {
1302 if (strcmp (attribute_names[n], att_name) == 0)
1303 return g_strdup (attribute_values[n]);
1308 static void start_element (GMarkupParseContext *context,
1309 const gchar *element_name,
1310 const gchar **attribute_names,
1311 const gchar **attribute_values,
1315 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
1317 if (strcmp (element_name, "configuration") == 0) {
1318 app_config->configuration_count++;
1321 if (strcmp (element_name, "startup") == 0) {
1322 app_config->startup_count++;
1326 if (app_config->configuration_count != 1 || app_config->startup_count != 1)
1329 if (strcmp (element_name, "requiredRuntime") == 0) {
1330 app_config->required_runtime = get_attribute_value (attribute_names, attribute_values, "version");
1331 } else if (strcmp (element_name, "supportedRuntime") == 0) {
1332 char *version = get_attribute_value (attribute_names, attribute_values, "version");
1333 app_config->supported_runtimes = g_slist_append (app_config->supported_runtimes, version);
1337 static void end_element (GMarkupParseContext *context,
1338 const gchar *element_name,
1342 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
1344 if (strcmp (element_name, "configuration") == 0) {
1345 app_config->configuration_count--;
1346 } else if (strcmp (element_name, "startup") == 0) {
1347 app_config->startup_count--;
1351 static const GMarkupParser
1360 static AppConfigInfo *
1361 app_config_parse (const char *filename)
1363 AppConfigInfo *app_config;
1364 GMarkupParseContext *context;
1369 if (stat (filename, &buf) != 0)
1372 app_config = g_new0 (AppConfigInfo, 1);
1374 if (!g_file_get_contents (filename, &text, &len, NULL))
1377 context = g_markup_parse_context_new (&mono_parser, 0, app_config, NULL);
1378 if (g_markup_parse_context_parse (context, text, len, NULL)) {
1379 g_markup_parse_context_end_parse (context, NULL);
1381 g_markup_parse_context_free (context);
1387 app_config_free (AppConfigInfo* app_config)
1390 GSList *list = app_config->supported_runtimes;
1391 while (list != NULL) {
1392 rt = (char*)list->data;
1394 list = g_slist_next (list);
1396 g_slist_free (app_config->supported_runtimes);
1397 g_free (app_config->required_runtime);
1398 g_free (app_config);
1402 static const MonoRuntimeInfo*
1403 get_runtime_by_version (const char *version)
1406 int max = G_N_ELEMENTS (supported_runtimes);
1408 for (n=0; n<max; n++) {
1409 if (strcmp (version, supported_runtimes[n].runtime_version) == 0)
1410 return &supported_runtimes[n];
1416 get_runtimes_from_exe (const char *exe_file, const MonoRuntimeInfo** runtimes)
1418 AppConfigInfo* app_config;
1421 const MonoRuntimeInfo* runtime = NULL;
1422 MonoImage *image = NULL;
1424 config_name = g_strconcat (exe_file, ".config", NULL);
1425 app_config = app_config_parse (config_name);
1426 g_free (config_name);
1428 if (app_config != NULL) {
1429 /* Check supportedRuntime elements, if none is supported, fail.
1430 * If there are no such elements, look for a requiredRuntime element.
1432 if (app_config->supported_runtimes != NULL) {
1434 GSList *list = app_config->supported_runtimes;
1435 while (list != NULL) {
1436 version = (char*) list->data;
1437 runtime = get_runtime_by_version (version);
1438 if (runtime != NULL)
1439 runtimes [n++] = runtime;
1440 list = g_slist_next (list);
1442 runtimes [n] = NULL;
1443 app_config_free (app_config);
1447 /* Check the requiredRuntime element. This is for 1.0 apps only. */
1448 if (app_config->required_runtime != NULL) {
1449 runtimes [0] = get_runtime_by_version (app_config->required_runtime);
1450 runtimes [1] = NULL;
1451 app_config_free (app_config);
1454 app_config_free (app_config);
1457 /* Look for a runtime with the exact version */
1458 image = mono_image_open (exe_file, NULL);
1459 if (image == NULL) {
1460 /* The image is wrong or the file was not found. In this case return
1461 * a default runtime and leave to the initialization method the work of
1462 * reporting the error.
1464 runtimes [0] = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
1465 runtimes [1] = NULL;
1470 * FIXME: This would cause us to unload the image, and it will be loaded again later.
1471 * Disabling it will mean the initial exe will not be unloaded on shutdown.
1473 //mono_image_close (image);
1475 runtimes [0] = get_runtime_by_version (image->version);
1476 runtimes [1] = NULL;
1481 * mono_get_runtime_info:
1483 * Returns: the version of the current runtime instance.
1485 const MonoRuntimeInfo*
1486 mono_get_runtime_info (void)
1488 return current_runtime;
1492 mono_debugger_check_runtime_version (const char *filename)
1494 const MonoRuntimeInfo* runtimes [G_N_ELEMENTS (supported_runtimes) + 1];
1495 const MonoRuntimeInfo *rinfo;
1497 get_runtimes_from_exe (filename, runtimes);
1498 rinfo = runtimes [0];
1501 return g_strdup_printf ("Cannot get runtime version from assembly `%s'", filename);
1503 if (rinfo != current_runtime)
1504 return g_strdup_printf ("The Mono Debugger is currently using the `%s' runtime, but "
1505 "the assembly `%s' requires version `%s'", current_runtime->runtime_version,
1506 filename, rinfo->runtime_version);