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)
344 * @s1: First string to compare
345 * @s2: Second string to compare
347 * Returns FALSE if the strings differ.
350 mono_string_equal (MonoString *s1, MonoString *s2)
352 int l1 = mono_string_length (s1);
353 int l2 = mono_string_length (s2);
360 return memcmp (mono_string_chars (s1), mono_string_chars (s2), l1 * 2) == 0;
365 * @s: the string to hash
367 * Returns the hash for the string.
370 mono_string_hash (MonoString *s)
372 const guint16 *p = mono_string_chars (s);
373 int i, len = mono_string_length (s);
376 for (i = 0; i < len; i++) {
377 h = (h << 5) - h + *p;
385 mono_ptrarray_equal (gpointer *s1, gpointer *s2)
387 int len = GPOINTER_TO_INT (s1 [0]);
388 if (len != GPOINTER_TO_INT (s2 [0]))
391 return memcmp (s1 + 1, s2 + 1, len * sizeof(gpointer)) == 0;
395 mono_ptrarray_hash (gpointer *s)
398 int len = GPOINTER_TO_INT (s [0]);
401 for (i = 1; i < len; i++)
402 hash += GPOINTER_TO_UINT (s [i]);
408 * Allocate an id for domain and set domain->domain_id.
409 * LOCKING: must be called while holding appdomains_mutex.
410 * We try to assign low numbers to the domain, so it can be used
411 * as an index in data tables to lookup domain-specific info
412 * with minimal memory overhead. We also try not to reuse the
413 * same id too quickly (to help debugging).
416 domain_id_alloc (MonoDomain *domain)
419 if (!appdomains_list) {
420 appdomain_list_size = 2;
421 appdomains_list = mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), NULL);
423 for (i = appdomain_next; i < appdomain_list_size; ++i) {
424 if (!appdomains_list [i]) {
430 for (i = 0; i < appdomain_next; ++i) {
431 if (!appdomains_list [i]) {
438 MonoDomain **new_list;
439 int new_size = appdomain_list_size * 2;
440 if (new_size >= (1 << 16))
441 g_assert_not_reached ();
442 id = appdomain_list_size;
443 new_list = mono_gc_alloc_fixed (new_size * sizeof (void*), NULL);
444 memcpy (new_list, appdomains_list, appdomain_list_size * sizeof (void*));
445 mono_gc_free_fixed (appdomains_list);
446 appdomains_list = new_list;
447 appdomain_list_size = new_size;
449 domain->domain_id = id;
450 appdomains_list [id] = domain;
452 if (appdomain_next > appdomain_list_size)
457 static guint32 domain_gc_bitmap [sizeof(MonoDomain)/4/32 + 1];
458 static gpointer domain_gc_desc = NULL;
461 mono_domain_create (void)
465 mono_appdomains_lock ();
466 if (!domain_gc_desc) {
467 unsigned int i, bit = 0;
468 for (i = G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_OBJECT); i < G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_GC_TRACKED); i += sizeof (gpointer)) {
469 bit = i / sizeof (gpointer);
470 domain_gc_bitmap [bit / 32] |= 1 << (bit % 32);
472 domain_gc_desc = mono_gc_make_descr_from_bitmap (domain_gc_bitmap, bit + 1);
474 mono_appdomains_unlock ();
476 domain = mono_gc_alloc_fixed (sizeof (MonoDomain), domain_gc_desc);
477 domain->domain = NULL;
478 domain->setup = NULL;
479 domain->friendly_name = NULL;
480 domain->search_path = NULL;
482 domain->mp = mono_mempool_new ();
483 domain->code_mp = mono_code_manager_new ();
484 domain->env = mono_g_hash_table_new_type ((GHashFunc)mono_string_hash, (GCompareFunc)mono_string_equal, MONO_HASH_KEY_VALUE_GC);
485 domain->domain_assemblies = NULL;
486 domain->class_vtable_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
487 domain->proxy_vtable_hash = g_hash_table_new ((GHashFunc)mono_ptrarray_hash, (GCompareFunc)mono_ptrarray_equal);
488 domain->static_data_array = NULL;
489 domain->jit_code_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
490 domain->ldstr_table = mono_g_hash_table_new ((GHashFunc)mono_string_hash, (GCompareFunc)mono_string_equal);
491 domain->jit_info_table = mono_jit_info_table_new ();
492 domain->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
493 domain->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
494 domain->finalizable_objects_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
495 domain->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
496 domain->delegate_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
498 InitializeCriticalSection (&domain->lock);
499 InitializeCriticalSection (&domain->assemblies_lock);
501 mono_appdomains_lock ();
502 domain_id_alloc (domain);
503 mono_appdomains_unlock ();
509 * mono_init_internal:
511 * Creates the initial application domain and initializes the mono_defaults
513 * This function is guaranteed to not run any IL code.
514 * If exe_filename is not NULL, the method will determine the required runtime
515 * from the exe configuration file or the version PE field.
516 * If runtime_version is not NULL, that runtime version will be used.
517 * Either exe_filename or runtime_version must be provided.
519 * Returns: the initial domain.
522 mono_init_internal (const char *filename, const char *exe_filename, const char *runtime_version)
524 static MonoDomain *domain = NULL;
525 MonoAssembly *ass = NULL;
526 MonoImageOpenStatus status = MONO_IMAGE_OK;
527 const MonoRuntimeInfo* runtimes [G_N_ELEMENTS (supported_runtimes) + 1];
531 g_assert_not_reached ();
535 appdomain_thread_id = TlsAlloc ();
537 InitializeCriticalSection (&appdomains_mutex);
539 mono_metadata_init ();
540 mono_raw_buffer_init ();
542 mono_assemblies_init ();
543 mono_classes_init ();
545 mono_reflection_init ();
547 /* FIXME: When should we release this memory? */
548 MONO_GC_REGISTER_ROOT (appdomains_list);
550 domain = mono_domain_create ();
551 mono_root_domain = domain;
553 SET_APPDOMAIN (domain);
555 /* Get a list of runtimes supported by the exe */
556 if (exe_filename != NULL) {
557 get_runtimes_from_exe (exe_filename, runtimes);
558 } else if (runtime_version != NULL) {
559 runtimes [0] = get_runtime_by_version (runtime_version);
563 if (runtimes [0] == NULL) {
564 const MonoRuntimeInfo *default_runtime = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
565 runtimes [0] = default_runtime;
567 g_print ("WARNING: The runtime version supported by this application is unavailable.\n");
568 g_print ("Using default runtime: %s\n", default_runtime->runtime_version);
571 /* The selected runtime will be the first one for which there is a mscrolib.dll */
572 for (n = 0; runtimes [n] != NULL && ass == NULL; n++) {
573 current_runtime = runtimes [n];
574 ass = mono_assembly_load_corlib (current_runtime, &status);
575 if (status != MONO_IMAGE_OK && status != MONO_IMAGE_ERROR_ERRNO)
579 if ((status != MONO_IMAGE_OK) || (ass == NULL)) {
581 case MONO_IMAGE_ERROR_ERRNO: {
582 char *corlib_file = g_build_filename (mono_assembly_getrootdir (), "mono", current_runtime->framework_version, "mscorlib.dll", NULL);
583 g_print ("The assembly mscorlib.dll was not found or could not be loaded.\n");
584 g_print ("It should have been installed in the `%s' directory.\n", corlib_file);
585 g_free (corlib_file);
588 case MONO_IMAGE_IMAGE_INVALID:
589 g_print ("The file %s/mscorlib.dll is an invalid CIL image\n",
590 mono_assembly_getrootdir ());
592 case MONO_IMAGE_MISSING_ASSEMBLYREF:
593 g_print ("Missing assembly reference in %s/mscorlib.dll\n",
594 mono_assembly_getrootdir ());
597 /* to suppress compiler warning */
603 mono_defaults.corlib = mono_assembly_get_image (ass);
605 mono_defaults.object_class = mono_class_from_name (
606 mono_defaults.corlib, "System", "Object");
607 g_assert (mono_defaults.object_class != 0);
609 mono_defaults.void_class = mono_class_from_name (
610 mono_defaults.corlib, "System", "Void");
611 g_assert (mono_defaults.void_class != 0);
613 mono_defaults.boolean_class = mono_class_from_name (
614 mono_defaults.corlib, "System", "Boolean");
615 g_assert (mono_defaults.boolean_class != 0);
617 mono_defaults.byte_class = mono_class_from_name (
618 mono_defaults.corlib, "System", "Byte");
619 g_assert (mono_defaults.byte_class != 0);
621 mono_defaults.sbyte_class = mono_class_from_name (
622 mono_defaults.corlib, "System", "SByte");
623 g_assert (mono_defaults.sbyte_class != 0);
625 mono_defaults.int16_class = mono_class_from_name (
626 mono_defaults.corlib, "System", "Int16");
627 g_assert (mono_defaults.int16_class != 0);
629 mono_defaults.uint16_class = mono_class_from_name (
630 mono_defaults.corlib, "System", "UInt16");
631 g_assert (mono_defaults.uint16_class != 0);
633 mono_defaults.int32_class = mono_class_from_name (
634 mono_defaults.corlib, "System", "Int32");
635 g_assert (mono_defaults.int32_class != 0);
637 mono_defaults.uint32_class = mono_class_from_name (
638 mono_defaults.corlib, "System", "UInt32");
639 g_assert (mono_defaults.uint32_class != 0);
641 mono_defaults.uint_class = mono_class_from_name (
642 mono_defaults.corlib, "System", "UIntPtr");
643 g_assert (mono_defaults.uint_class != 0);
645 mono_defaults.int_class = mono_class_from_name (
646 mono_defaults.corlib, "System", "IntPtr");
647 g_assert (mono_defaults.int_class != 0);
649 mono_defaults.int64_class = mono_class_from_name (
650 mono_defaults.corlib, "System", "Int64");
651 g_assert (mono_defaults.int64_class != 0);
653 mono_defaults.uint64_class = mono_class_from_name (
654 mono_defaults.corlib, "System", "UInt64");
655 g_assert (mono_defaults.uint64_class != 0);
657 mono_defaults.single_class = mono_class_from_name (
658 mono_defaults.corlib, "System", "Single");
659 g_assert (mono_defaults.single_class != 0);
661 mono_defaults.double_class = mono_class_from_name (
662 mono_defaults.corlib, "System", "Double");
663 g_assert (mono_defaults.double_class != 0);
665 mono_defaults.char_class = mono_class_from_name (
666 mono_defaults.corlib, "System", "Char");
667 g_assert (mono_defaults.char_class != 0);
669 mono_defaults.string_class = mono_class_from_name (
670 mono_defaults.corlib, "System", "String");
671 g_assert (mono_defaults.string_class != 0);
673 mono_defaults.enum_class = mono_class_from_name (
674 mono_defaults.corlib, "System", "Enum");
675 g_assert (mono_defaults.enum_class != 0);
677 mono_defaults.array_class = mono_class_from_name (
678 mono_defaults.corlib, "System", "Array");
679 g_assert (mono_defaults.array_class != 0);
681 mono_defaults.delegate_class = mono_class_from_name (
682 mono_defaults.corlib, "System", "Delegate");
683 g_assert (mono_defaults.delegate_class != 0 );
685 mono_defaults.multicastdelegate_class = mono_class_from_name (
686 mono_defaults.corlib, "System", "MulticastDelegate");
687 g_assert (mono_defaults.multicastdelegate_class != 0 );
689 mono_defaults.asyncresult_class = mono_class_from_name (
690 mono_defaults.corlib, "System.Runtime.Remoting.Messaging",
692 g_assert (mono_defaults.asyncresult_class != 0 );
694 mono_defaults.waithandle_class = mono_class_from_name (
695 mono_defaults.corlib, "System.Threading", "WaitHandle");
696 g_assert (mono_defaults.waithandle_class != 0 );
698 mono_defaults.typehandle_class = mono_class_from_name (
699 mono_defaults.corlib, "System", "RuntimeTypeHandle");
700 g_assert (mono_defaults.typehandle_class != 0);
702 mono_defaults.methodhandle_class = mono_class_from_name (
703 mono_defaults.corlib, "System", "RuntimeMethodHandle");
704 g_assert (mono_defaults.methodhandle_class != 0);
706 mono_defaults.fieldhandle_class = mono_class_from_name (
707 mono_defaults.corlib, "System", "RuntimeFieldHandle");
708 g_assert (mono_defaults.fieldhandle_class != 0);
710 mono_defaults.systemtype_class = mono_class_from_name (
711 mono_defaults.corlib, "System", "Type");
712 g_assert (mono_defaults.systemtype_class != 0);
714 mono_defaults.monotype_class = mono_class_from_name (
715 mono_defaults.corlib, "System", "MonoType");
716 g_assert (mono_defaults.monotype_class != 0);
718 mono_defaults.exception_class = mono_class_from_name (
719 mono_defaults.corlib, "System", "Exception");
720 g_assert (mono_defaults.exception_class != 0);
722 mono_defaults.threadabortexception_class = mono_class_from_name (
723 mono_defaults.corlib, "System.Threading", "ThreadAbortException");
724 g_assert (mono_defaults.threadabortexception_class != 0);
726 mono_defaults.thread_class = mono_class_from_name (
727 mono_defaults.corlib, "System.Threading", "Thread");
728 g_assert (mono_defaults.thread_class != 0);
730 mono_defaults.appdomain_class = mono_class_from_name (
731 mono_defaults.corlib, "System", "AppDomain");
732 g_assert (mono_defaults.appdomain_class != 0);
734 mono_defaults.transparent_proxy_class = mono_class_from_name (
735 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "TransparentProxy");
736 g_assert (mono_defaults.transparent_proxy_class != 0);
738 mono_defaults.real_proxy_class = mono_class_from_name (
739 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "RealProxy");
740 g_assert (mono_defaults.real_proxy_class != 0);
742 mono_defaults.mono_method_message_class = mono_class_from_name (
743 mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "MonoMethodMessage");
744 g_assert (mono_defaults.mono_method_message_class != 0);
746 mono_defaults.field_info_class = mono_class_from_name (
747 mono_defaults.corlib, "System.Reflection", "FieldInfo");
748 g_assert (mono_defaults.field_info_class != 0);
750 mono_defaults.method_info_class = mono_class_from_name (
751 mono_defaults.corlib, "System.Reflection", "MethodInfo");
752 g_assert (mono_defaults.method_info_class != 0);
754 mono_defaults.stringbuilder_class = mono_class_from_name (
755 mono_defaults.corlib, "System.Text", "StringBuilder");
756 g_assert (mono_defaults.stringbuilder_class != 0);
758 mono_defaults.math_class = mono_class_from_name (
759 mono_defaults.corlib, "System", "Math");
760 g_assert (mono_defaults.math_class != 0);
762 mono_defaults.stack_frame_class = mono_class_from_name (
763 mono_defaults.corlib, "System.Diagnostics", "StackFrame");
764 g_assert (mono_defaults.stack_frame_class != 0);
766 mono_defaults.stack_trace_class = mono_class_from_name (
767 mono_defaults.corlib, "System.Diagnostics", "StackTrace");
768 g_assert (mono_defaults.stack_trace_class != 0);
770 mono_defaults.marshal_class = mono_class_from_name (
771 mono_defaults.corlib, "System.Runtime.InteropServices", "Marshal");
772 g_assert (mono_defaults.marshal_class != 0);
774 mono_defaults.iserializeable_class = mono_class_from_name (
775 mono_defaults.corlib, "System.Runtime.Serialization", "ISerializable");
776 g_assert (mono_defaults.iserializeable_class != 0);
778 mono_defaults.serializationinfo_class = mono_class_from_name (
779 mono_defaults.corlib, "System.Runtime.Serialization", "SerializationInfo");
780 g_assert (mono_defaults.serializationinfo_class != 0);
782 mono_defaults.streamingcontext_class = mono_class_from_name (
783 mono_defaults.corlib, "System.Runtime.Serialization", "StreamingContext");
784 g_assert (mono_defaults.streamingcontext_class != 0);
786 mono_defaults.typed_reference_class = mono_class_from_name (
787 mono_defaults.corlib, "System", "TypedReference");
788 g_assert (mono_defaults.typed_reference_class != 0);
790 mono_defaults.argumenthandle_class = mono_class_from_name (
791 mono_defaults.corlib, "System", "RuntimeArgumentHandle");
792 g_assert (mono_defaults.argumenthandle_class != 0);
794 mono_defaults.marshalbyrefobject_class = mono_class_from_name (
795 mono_defaults.corlib, "System", "MarshalByRefObject");
796 g_assert (mono_defaults.marshalbyrefobject_class != 0);
798 mono_defaults.monitor_class = mono_class_from_name (
799 mono_defaults.corlib, "System.Threading", "Monitor");
800 g_assert (mono_defaults.monitor_class != 0);
802 mono_defaults.iremotingtypeinfo_class = mono_class_from_name (
803 mono_defaults.corlib, "System.Runtime.Remoting", "IRemotingTypeInfo");
804 g_assert (mono_defaults.iremotingtypeinfo_class != 0);
806 mono_defaults.runtimesecurityframe_class = mono_class_from_name (
807 mono_defaults.corlib, "System.Security", "RuntimeSecurityFrame");
809 mono_defaults.executioncontext_class = mono_class_from_name (
810 mono_defaults.corlib, "System.Threading", "ExecutionContext");
812 mono_defaults.internals_visible_class = mono_class_from_name (
813 mono_defaults.corlib, "System.Runtime.CompilerServices", "InternalsVisibleToAttribute");
815 mono_defaults.safehandle_class = mono_class_from_name (
816 mono_defaults.corlib, "System.Runtime.InteropServices", "SafeHandle");
818 mono_defaults.handleref_class = mono_class_from_name (
819 mono_defaults.corlib, "System.Runtime.InteropServices", "HandleRef");
821 /* these are initialized lazily when COM features are used */
822 mono_defaults.variant_class = NULL;
823 mono_defaults.com_object_class = NULL;
824 mono_defaults.com_interop_proxy_class = NULL;
825 mono_defaults.iunknown_class = NULL;
826 mono_defaults.idispatch_class = NULL;
829 * Note that mono_defaults.generic_*_class is only non-NULL if we're
830 * using the 2.0 corlib.
832 mono_class_init (mono_defaults.array_class);
833 mono_defaults.generic_nullable_class = mono_class_from_name (
834 mono_defaults.corlib, "System", "Nullable`1");
835 mono_defaults.generic_ilist_class = mono_class_from_name (
836 mono_defaults.corlib, "System.Collections.Generic", "IList`1");
838 domain->friendly_name = g_path_get_basename (filename);
846 * Creates the initial application domain and initializes the mono_defaults
848 * This function is guaranteed to not run any IL code.
849 * The runtime is initialized using the default runtime version.
851 * Returns: the initial domain.
854 mono_init (const char *domain_name)
856 return mono_init_internal (domain_name, NULL, DEFAULT_RUNTIME_VERSION);
860 * mono_init_from_assembly:
862 * Creates the initial application domain and initializes the mono_defaults
864 * This function is guaranteed to not run any IL code.
865 * The runtime is initialized using the runtime version required by the
866 * provided executable. The version is determined by looking at the exe
867 * configuration file and the version PE field)
869 * Returns: the initial domain.
872 mono_init_from_assembly (const char *domain_name, const char *filename)
874 return mono_init_internal (domain_name, filename, NULL);
880 * Creates the initial application domain and initializes the mono_defaults
882 * This function is guaranteed to not run any IL code.
883 * The runtime is initialized using the provided rutime version.
885 * Returns: the initial domain.
888 mono_init_version (const char *domain_name, const char *version)
890 return mono_init_internal (domain_name, NULL, version);
894 * mono_init_com_types:
896 * Initializes all types needed for COM Interop in mono_defaults structure.
899 mono_init_com_types (void)
901 static gboolean initialized = FALSE;
906 /* FIXME: do I need some threading protection here */
908 g_assert (mono_defaults.corlib);
910 mono_defaults.variant_class = mono_class_from_name (
911 mono_defaults.corlib, "System", "Variant");
912 g_assert (mono_defaults.variant_class != 0);
914 mono_defaults.com_object_class = mono_class_from_name (
915 mono_defaults.corlib, "System", "__ComObject");
916 g_assert (mono_defaults.com_object_class != 0);
918 mono_defaults.com_interop_proxy_class = mono_class_from_name (
919 mono_defaults.corlib, "Mono.Interop", "ComInteropProxy");
920 g_assert (mono_defaults.com_interop_proxy_class != 0);
922 mono_defaults.iunknown_class = mono_class_from_name (
923 mono_defaults.corlib, "Mono.Interop", "IUnknown");
924 g_assert (mono_defaults.iunknown_class != 0);
926 mono_defaults.idispatch_class = mono_class_from_name (
927 mono_defaults.corlib, "Mono.Interop", "IDispatch");
928 g_assert (mono_defaults.idispatch_class != 0);
936 * Cleans up all metadata modules.
941 mono_loader_cleanup ();
942 mono_classes_cleanup ();
943 mono_assemblies_cleanup ();
944 mono_images_cleanup ();
945 mono_raw_buffer_cleanup ();
946 mono_metadata_cleanup ();
948 TlsFree (appdomain_thread_id);
949 DeleteCriticalSection (&appdomains_mutex);
953 * mono_get_root_domain:
955 * The root AppDomain is the initial domain created by the runtime when it is
956 * initialized. Programs execute on this AppDomain, but can create new ones
957 * later. Currently there is no unmanaged API to create new AppDomains, this
958 * must be done from managed code.
960 * Returns: the root appdomain, to obtain the current domain, use mono_domain_get ()
963 mono_get_root_domain (void)
965 return mono_root_domain;
971 * Returns: the current domain, to obtain the root domain use
972 * mono_get_root_domain().
977 return GET_APPDOMAIN ();
981 * mono_domain_set_internal:
982 * @domain: the new domain
984 * Sets the current domain to @domain.
987 mono_domain_set_internal (MonoDomain *domain)
989 SET_APPDOMAIN (domain);
990 SET_APPCONTEXT (domain->default_context);
994 mono_domain_foreach (MonoDomainFunc func, gpointer user_data)
1000 * Create a copy of the data to avoid calling the user callback
1001 * inside the lock because that could lead to deadlocks.
1002 * We can do this because this function is not perf. critical.
1004 mono_appdomains_lock ();
1005 size = appdomain_list_size;
1006 copy = mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), NULL);
1007 memcpy (copy, appdomains_list, appdomain_list_size * sizeof (void*));
1008 mono_appdomains_unlock ();
1010 for (i = 0; i < size; ++i) {
1012 func (copy [i], user_data);
1015 mono_gc_free_fixed (copy);
1019 * mono_domain_assembly_open:
1020 * @domain: the application domain
1021 * @name: file name of the assembly
1023 * fixme: maybe we should integrate this with mono_assembly_open ??
1026 mono_domain_assembly_open (MonoDomain *domain, const char *name)
1031 mono_domain_assemblies_lock (domain);
1032 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1034 if (strcmp (name, ass->aname.name) == 0) {
1035 mono_domain_assemblies_unlock (domain);
1039 mono_domain_assemblies_unlock (domain);
1041 if (!(ass = mono_assembly_open (name, NULL)))
1048 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
1050 MonoJitDynamicMethodInfo *di = value;
1051 mono_code_manager_destroy (di->code_mp);
1056 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
1058 g_slist_free (value);
1062 mono_domain_free (MonoDomain *domain, gboolean force)
1065 if ((domain == mono_root_domain) && !force) {
1066 g_warning ("cant unload root domain");
1070 mono_appdomains_lock ();
1071 appdomains_list [domain->domain_id] = NULL;
1072 mono_appdomains_unlock ();
1074 /* FIXME: free delegate_hash_table when it's used */
1075 if (domain->search_path) {
1076 g_strfreev (domain->search_path);
1077 domain->search_path = NULL;
1079 domain->create_proxy_for_type_method = NULL;
1080 domain->private_invoke_method = NULL;
1081 domain->default_context = NULL;
1082 domain->out_of_memory_ex = NULL;
1083 domain->null_reference_ex = NULL;
1084 domain->stack_overflow_ex = NULL;
1085 domain->entry_assembly = NULL;
1086 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1087 MonoAssembly *ass = tmp->data;
1088 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);
1089 mono_assembly_close (ass);
1091 g_slist_free (domain->domain_assemblies);
1092 domain->domain_assemblies = NULL;
1094 g_free (domain->friendly_name);
1095 domain->friendly_name = NULL;
1096 mono_g_hash_table_destroy (domain->env);
1098 g_hash_table_destroy (domain->class_vtable_hash);
1099 domain->class_vtable_hash = NULL;
1100 g_hash_table_destroy (domain->proxy_vtable_hash);
1101 domain->proxy_vtable_hash = NULL;
1102 if (domain->static_data_array) {
1103 mono_gc_free_fixed (domain->static_data_array);
1104 domain->static_data_array = NULL;
1106 g_hash_table_destroy (domain->jit_code_hash);
1107 domain->jit_code_hash = NULL;
1108 if (domain->dynamic_code_hash) {
1109 g_hash_table_foreach (domain->dynamic_code_hash, dynamic_method_info_free, NULL);
1110 g_hash_table_destroy (domain->dynamic_code_hash);
1111 domain->dynamic_code_hash = NULL;
1113 mono_g_hash_table_destroy (domain->ldstr_table);
1114 domain->ldstr_table = NULL;
1115 mono_jit_info_table_free (domain->jit_info_table);
1116 domain->jit_info_table = NULL;
1117 #ifdef DEBUG_DOMAIN_UNLOAD
1118 mono_mempool_invalidate (domain->mp);
1119 mono_code_manager_invalidate (domain->code_mp);
1121 mono_mempool_destroy (domain->mp);
1123 mono_code_manager_destroy (domain->code_mp);
1124 domain->code_mp = NULL;
1126 if (domain->jump_target_hash) {
1127 g_hash_table_foreach (domain->jump_target_hash, delete_jump_list, NULL);
1128 g_hash_table_destroy (domain->jump_target_hash);
1129 domain->jump_target_hash = NULL;
1131 if (domain->type_hash) {
1132 mono_g_hash_table_destroy (domain->type_hash);
1133 domain->type_hash = NULL;
1135 if (domain->refobject_hash) {
1136 mono_g_hash_table_destroy (domain->refobject_hash);
1137 domain->refobject_hash = NULL;
1139 if (domain->type_init_exception_hash) {
1140 mono_g_hash_table_destroy (domain->type_init_exception_hash);
1141 domain->type_init_exception_hash = NULL;
1143 g_hash_table_destroy (domain->class_init_trampoline_hash);
1144 domain->class_init_trampoline_hash = NULL;
1145 g_hash_table_destroy (domain->jump_trampoline_hash);
1146 domain->jump_trampoline_hash = NULL;
1147 g_hash_table_destroy (domain->finalizable_objects_hash);
1148 domain->finalizable_objects_hash = NULL;
1149 g_hash_table_destroy (domain->jit_trampoline_hash);
1150 domain->jit_trampoline_hash = NULL;
1151 g_hash_table_destroy (domain->delegate_trampoline_hash);
1152 domain->delegate_trampoline_hash = NULL;
1153 if (domain->special_static_fields) {
1154 g_hash_table_destroy (domain->special_static_fields);
1155 domain->special_static_fields = NULL;
1157 DeleteCriticalSection (&domain->assemblies_lock);
1158 DeleteCriticalSection (&domain->lock);
1159 domain->setup = NULL;
1161 /* FIXME: anything else required ? */
1163 mono_gc_free_fixed (domain);
1165 if ((domain == mono_root_domain))
1166 mono_root_domain = NULL;
1170 * mono_domain_get_id:
1173 * Returns: the a domain for a specific domain id.
1176 mono_domain_get_by_id (gint32 domainid)
1178 MonoDomain * domain;
1180 mono_appdomains_lock ();
1181 if (domainid < appdomain_list_size)
1182 domain = appdomains_list [domainid];
1185 mono_appdomains_unlock ();
1191 mono_domain_get_id (MonoDomain *domain)
1193 return domain->domain_id;
1197 mono_context_set (MonoAppContext * new_context)
1199 SET_APPCONTEXT (new_context);
1203 mono_context_get (void)
1205 return GET_APPCONTEXT ();
1208 /* LOCKING: the caller holds the lock for this domain */
1210 mono_domain_add_class_static_data (MonoDomain *domain, MonoClass *klass, gpointer data, guint32 *bitmap)
1212 /* The first entry in the array is the index of the next free slot
1213 * and the total size of the array
1216 if (domain->static_data_array) {
1217 int size = GPOINTER_TO_INT (domain->static_data_array [1]);
1218 next = GPOINTER_TO_INT (domain->static_data_array [0]);
1220 gpointer *new_array = mono_gc_alloc_fixed (sizeof (gpointer) * (size * 2), NULL);
1221 memcpy (new_array, domain->static_data_array, sizeof (gpointer) * size);
1223 new_array [1] = GINT_TO_POINTER (size);
1224 mono_gc_free_fixed (domain->static_data_array);
1225 domain->static_data_array = new_array;
1229 gpointer *new_array = mono_gc_alloc_fixed (sizeof (gpointer) * size, NULL);
1231 new_array [0] = GINT_TO_POINTER (next);
1232 new_array [1] = GINT_TO_POINTER (size);
1233 domain->static_data_array = new_array;
1235 domain->static_data_array [next++] = data;
1236 domain->static_data_array [0] = GINT_TO_POINTER (next);
1240 mono_get_corlib (void)
1242 return mono_defaults.corlib;
1246 mono_get_object_class (void)
1248 return mono_defaults.object_class;
1252 mono_get_byte_class (void)
1254 return mono_defaults.byte_class;
1258 mono_get_void_class (void)
1260 return mono_defaults.void_class;
1264 mono_get_boolean_class (void)
1266 return mono_defaults.boolean_class;
1270 mono_get_sbyte_class (void)
1272 return mono_defaults.sbyte_class;
1276 mono_get_int16_class (void)
1278 return mono_defaults.int16_class;
1282 mono_get_uint16_class (void)
1284 return mono_defaults.uint16_class;
1288 mono_get_int32_class (void)
1290 return mono_defaults.int32_class;
1294 mono_get_uint32_class (void)
1296 return mono_defaults.uint32_class;
1300 mono_get_intptr_class (void)
1302 return mono_defaults.int_class;
1306 mono_get_uintptr_class (void)
1308 return mono_defaults.uint_class;
1312 mono_get_int64_class (void)
1314 return mono_defaults.int64_class;
1318 mono_get_uint64_class (void)
1320 return mono_defaults.uint64_class;
1324 mono_get_single_class (void)
1326 return mono_defaults.single_class;
1330 mono_get_double_class (void)
1332 return mono_defaults.double_class;
1336 mono_get_char_class (void)
1338 return mono_defaults.char_class;
1342 mono_get_string_class (void)
1344 return mono_defaults.string_class;
1348 mono_get_enum_class (void)
1350 return mono_defaults.enum_class;
1354 mono_get_array_class (void)
1356 return mono_defaults.array_class;
1360 mono_get_thread_class (void)
1362 return mono_defaults.thread_class;
1366 mono_get_exception_class (void)
1368 return mono_defaults.exception_class;
1372 static char* get_attribute_value (const gchar **attribute_names,
1373 const gchar **attribute_values,
1374 const char *att_name)
1377 for (n=0; attribute_names[n] != NULL; n++) {
1378 if (strcmp (attribute_names[n], att_name) == 0)
1379 return g_strdup (attribute_values[n]);
1384 static void start_element (GMarkupParseContext *context,
1385 const gchar *element_name,
1386 const gchar **attribute_names,
1387 const gchar **attribute_values,
1391 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
1393 if (strcmp (element_name, "configuration") == 0) {
1394 app_config->configuration_count++;
1397 if (strcmp (element_name, "startup") == 0) {
1398 app_config->startup_count++;
1402 if (app_config->configuration_count != 1 || app_config->startup_count != 1)
1405 if (strcmp (element_name, "requiredRuntime") == 0) {
1406 app_config->required_runtime = get_attribute_value (attribute_names, attribute_values, "version");
1407 } else if (strcmp (element_name, "supportedRuntime") == 0) {
1408 char *version = get_attribute_value (attribute_names, attribute_values, "version");
1409 app_config->supported_runtimes = g_slist_append (app_config->supported_runtimes, version);
1413 static void end_element (GMarkupParseContext *context,
1414 const gchar *element_name,
1418 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
1420 if (strcmp (element_name, "configuration") == 0) {
1421 app_config->configuration_count--;
1422 } else if (strcmp (element_name, "startup") == 0) {
1423 app_config->startup_count--;
1427 static const GMarkupParser
1436 static AppConfigInfo *
1437 app_config_parse (const char *exe_filename)
1439 AppConfigInfo *app_config;
1440 GMarkupParseContext *context;
1444 const char *bundled_config;
1445 char *config_filename;
1447 bundled_config = mono_config_string_for_assembly_file (exe_filename);
1449 if (bundled_config) {
1450 text = g_strdup (bundled_config);
1451 len = strlen (text);
1453 config_filename = g_strconcat (exe_filename, ".config", NULL);
1455 if (stat (config_filename, &buf) != 0) {
1456 g_free (config_filename);
1460 if (!g_file_get_contents (config_filename, &text, &len, NULL)) {
1461 g_free (config_filename);
1464 g_free (config_filename);
1467 app_config = g_new0 (AppConfigInfo, 1);
1469 context = g_markup_parse_context_new (&mono_parser, 0, app_config, NULL);
1470 if (g_markup_parse_context_parse (context, text, len, NULL)) {
1471 g_markup_parse_context_end_parse (context, NULL);
1473 g_markup_parse_context_free (context);
1479 app_config_free (AppConfigInfo* app_config)
1482 GSList *list = app_config->supported_runtimes;
1483 while (list != NULL) {
1484 rt = (char*)list->data;
1486 list = g_slist_next (list);
1488 g_slist_free (app_config->supported_runtimes);
1489 g_free (app_config->required_runtime);
1490 g_free (app_config);
1494 static const MonoRuntimeInfo*
1495 get_runtime_by_version (const char *version)
1498 int max = G_N_ELEMENTS (supported_runtimes);
1500 for (n=0; n<max; n++) {
1501 if (strcmp (version, supported_runtimes[n].runtime_version) == 0)
1502 return &supported_runtimes[n];
1508 get_runtimes_from_exe (const char *exe_file, const MonoRuntimeInfo** runtimes)
1510 AppConfigInfo* app_config;
1512 const MonoRuntimeInfo* runtime = NULL;
1513 MonoImage *image = NULL;
1515 app_config = app_config_parse (exe_file);
1517 if (app_config != NULL) {
1518 /* Check supportedRuntime elements, if none is supported, fail.
1519 * If there are no such elements, look for a requiredRuntime element.
1521 if (app_config->supported_runtimes != NULL) {
1523 GSList *list = app_config->supported_runtimes;
1524 while (list != NULL) {
1525 version = (char*) list->data;
1526 runtime = get_runtime_by_version (version);
1527 if (runtime != NULL)
1528 runtimes [n++] = runtime;
1529 list = g_slist_next (list);
1531 runtimes [n] = NULL;
1532 app_config_free (app_config);
1536 /* Check the requiredRuntime element. This is for 1.0 apps only. */
1537 if (app_config->required_runtime != NULL) {
1538 runtimes [0] = get_runtime_by_version (app_config->required_runtime);
1539 runtimes [1] = NULL;
1540 app_config_free (app_config);
1543 app_config_free (app_config);
1546 /* Look for a runtime with the exact version */
1547 image = mono_assembly_open_from_bundle (exe_file, NULL, FALSE);
1550 image = mono_image_open (exe_file, NULL);
1552 if (image == NULL) {
1553 /* The image is wrong or the file was not found. In this case return
1554 * a default runtime and leave to the initialization method the work of
1555 * reporting the error.
1557 runtimes [0] = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
1558 runtimes [1] = NULL;
1563 * FIXME: This would cause us to unload the image, and it will be loaded again later.
1564 * Disabling it will mean the initial exe will not be unloaded on shutdown.
1566 //mono_image_close (image);
1568 runtimes [0] = get_runtime_by_version (image->version);
1569 runtimes [1] = NULL;
1574 * mono_get_runtime_info:
1576 * Returns: the version of the current runtime instance.
1578 const MonoRuntimeInfo*
1579 mono_get_runtime_info (void)
1581 return current_runtime;
1585 mono_debugger_check_runtime_version (const char *filename)
1587 const MonoRuntimeInfo* runtimes [G_N_ELEMENTS (supported_runtimes) + 1];
1588 const MonoRuntimeInfo *rinfo;
1590 get_runtimes_from_exe (filename, runtimes);
1591 rinfo = runtimes [0];
1594 return g_strdup_printf ("Cannot get runtime version from assembly `%s'", filename);
1596 if (rinfo != current_runtime)
1597 return g_strdup_printf ("The Mono Debugger is currently using the `%s' runtime, but "
1598 "the assembly `%s' requires version `%s'", current_runtime->runtime_version,
1599 filename, rinfo->runtime_version);