2 * domain.c: MonoDomain functions
5 * Dietmar Maurer (dietmar@ximian.com)
8 * Copyright 2001-2003 Ximian, Inc (http://www.ximian.com)
9 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
10 * Copyright 2011-2012 Xamarin, Inc (http://www.xamarin.com)
18 #include <mono/metadata/gc-internal.h>
20 #include <mono/utils/atomic.h>
21 #include <mono/utils/mono-compiler.h>
22 #include <mono/utils/mono-logger-internal.h>
23 #include <mono/utils/mono-membar.h>
24 #include <mono/utils/mono-counters.h>
25 #include <mono/utils/hazard-pointer.h>
26 #include <mono/utils/mono-tls.h>
27 #include <mono/utils/mono-mmap.h>
28 #include <mono/utils/mono-threads.h>
29 #include <mono/metadata/object.h>
30 #include <mono/metadata/object-internals.h>
31 #include <mono/metadata/domain-internals.h>
32 #include <mono/metadata/class-internals.h>
33 #include <mono/metadata/assembly.h>
34 #include <mono/metadata/exception.h>
35 #include <mono/metadata/metadata-internals.h>
36 #include <mono/metadata/gc-internal.h>
37 #include <mono/metadata/appdomain.h>
38 #include <mono/metadata/mono-debug-debugger.h>
39 #include <mono/metadata/mono-config.h>
40 #include <mono/metadata/threads-types.h>
41 #include <mono/metadata/runtime.h>
42 #include <metadata/threads.h>
43 #include <metadata/profiler-private.h>
44 #include <mono/metadata/coree.h>
46 //#define DEBUG_DOMAIN_UNLOAD 1
48 /* we need to use both the Tls* functions and __thread because
49 * some archs may generate faster jit code with one meachanism
50 * or the other (we used to do it because tls slots were GC-tracked,
51 * but we can't depend on this).
53 static MonoNativeTlsKey appdomain_thread_id;
55 #ifdef MONO_HAVE_FAST_TLS
57 MONO_FAST_TLS_DECLARE(tls_appdomain);
59 #define GET_APPDOMAIN() ((MonoDomain*)MONO_FAST_TLS_GET(tls_appdomain))
61 #define SET_APPDOMAIN(x) do { \
62 MonoThreadInfo *info; \
63 MONO_FAST_TLS_SET (tls_appdomain,x); \
64 mono_native_tls_set_value (appdomain_thread_id, x); \
65 mono_gc_set_current_thread_appdomain (x); \
66 info = mono_thread_info_current (); \
68 mono_thread_info_tls_set (info, TLS_KEY_DOMAIN, (x)); \
71 #else /* !MONO_HAVE_FAST_TLS */
73 #define GET_APPDOMAIN() ((MonoDomain *)mono_native_tls_get_value (appdomain_thread_id))
74 #define SET_APPDOMAIN(x) do { \
75 MonoThreadInfo *info; \
76 mono_native_tls_set_value (appdomain_thread_id, x); \
77 mono_gc_set_current_thread_appdomain (x); \
78 info = mono_thread_info_current (); \
80 mono_thread_info_tls_set (info, TLS_KEY_DOMAIN, (x)); \
85 #define GET_APPCONTEXT() (mono_thread_internal_current ()->current_appcontext)
86 #define SET_APPCONTEXT(x) MONO_OBJECT_SETREF (mono_thread_internal_current (), current_appcontext, (x))
88 static guint16 appdomain_list_size = 0;
89 static guint16 appdomain_next = 0;
90 static MonoDomain **appdomains_list = NULL;
91 static MonoImage *exe_image;
92 static gboolean debug_domain_unload;
94 gboolean mono_dont_free_domains;
96 #define mono_appdomains_lock() mono_mutex_lock (&appdomains_mutex)
97 #define mono_appdomains_unlock() mono_mutex_unlock (&appdomains_mutex)
98 static mono_mutex_t appdomains_mutex;
100 static MonoDomain *mono_root_domain = NULL;
102 /* some statistics */
103 static int max_domain_code_size = 0;
104 static int max_domain_code_alloc = 0;
105 static int total_domain_code_alloc = 0;
107 /* AppConfigInfo: Information about runtime versions supported by an
111 GSList *supported_runtimes;
112 char *required_runtime;
113 int configuration_count;
117 static const MonoRuntimeInfo *current_runtime = NULL;
119 /* This is the list of runtime versions supported by this JIT.
121 static const MonoRuntimeInfo supported_runtimes[] = {
122 {"v4.0.30319","4.5", { {4,0,0,0}, {10,0,0,0}, {4,0,0,0}, {4,0,0,0} } },
123 {"v4.0.30128","4.0", { {4,0,0,0}, {10,0,0,0}, {4,0,0,0}, {4,0,0,0} } },
124 {"v4.0.20506","4.0", { {4,0,0,0}, {10,0,0,0}, {4,0,0,0}, {4,0,0,0} } },
125 {"mobile", "2.1", { {2,0,5,0}, {10,0,0,0}, {2,0,5,0}, {2,0,5,0} } },
126 {"moonlight", "2.1", { {2,0,5,0}, { 9,0,0,0}, {3,5,0,0}, {3,0,0,0} } },
130 /* The stable runtime version */
131 #define DEFAULT_RUNTIME_VERSION "v4.0.30319"
133 /* Callbacks installed by the JIT */
134 static MonoCreateDomainFunc create_domain_hook;
135 static MonoFreeDomainFunc free_domain_hook;
137 /* AOT cache configuration */
138 static MonoAotCacheConfig aot_cache_config;
141 get_runtimes_from_exe (const char *exe_file, MonoImage **exe_image, const MonoRuntimeInfo** runtimes);
143 static const MonoRuntimeInfo*
144 get_runtime_by_version (const char *version);
147 mono_domain_get_tls_key (void)
149 return appdomain_thread_id;
153 mono_domain_get_tls_offset (void)
158 if (appdomain_thread_id)
159 offset = appdomain_thread_id;
161 MONO_THREAD_VAR_OFFSET (tls_appdomain, offset);
166 #define ALIGN_TO(val,align) ((((guint64)val) + ((align) - 1)) & ~((align) - 1))
167 #define ALIGN_PTR_TO(ptr,align) (gpointer)((((gssize)(ptr)) + (align - 1)) & (~(align - 1)))
169 static LockFreeMempool*
170 lock_free_mempool_new (void)
172 return g_new0 (LockFreeMempool, 1);
176 lock_free_mempool_free (LockFreeMempool *mp)
178 LockFreeMempoolChunk *chunk, *next;
183 mono_vfree (chunk, mono_pagesize ());
192 static LockFreeMempoolChunk*
193 lock_free_mempool_chunk_new (LockFreeMempool *mp, int len)
195 LockFreeMempoolChunk *chunk, *prev;
198 size = mono_pagesize ();
199 while (size - sizeof (LockFreeMempoolChunk) < len)
200 size += mono_pagesize ();
201 chunk = mono_valloc (0, size, MONO_MMAP_READ|MONO_MMAP_WRITE);
203 chunk->mem = ALIGN_PTR_TO ((char*)chunk + sizeof (LockFreeMempoolChunk), 16);
204 chunk->size = ((char*)chunk + size) - (char*)chunk->mem;
207 /* Add to list of chunks lock-free */
210 if (InterlockedCompareExchangePointer ((volatile gpointer*)&mp->chunks, chunk, prev) == prev)
222 lock_free_mempool_alloc0 (LockFreeMempool *mp, guint size)
224 LockFreeMempoolChunk *chunk;
228 // FIXME: Free the allocator
230 size = ALIGN_TO (size, 8);
233 chunk = lock_free_mempool_chunk_new (mp, size);
234 mono_memory_barrier ();
239 /* The code below is lock-free, 'chunk' is shared state */
240 oldpos = InterlockedExchangeAdd (&chunk->pos, size);
241 if (oldpos + size > chunk->size) {
242 chunk = lock_free_mempool_chunk_new (mp, size);
243 g_assert (chunk->pos + size <= chunk->size);
246 mono_memory_barrier ();
249 res = (char*)chunk->mem + oldpos;
256 mono_install_create_domain_hook (MonoCreateDomainFunc func)
258 create_domain_hook = func;
262 mono_install_free_domain_hook (MonoFreeDomainFunc func)
264 free_domain_hook = func;
269 * @s1: First string to compare
270 * @s2: Second string to compare
272 * Returns FALSE if the strings differ.
275 mono_string_equal (MonoString *s1, MonoString *s2)
277 int l1 = mono_string_length (s1);
278 int l2 = mono_string_length (s2);
285 return memcmp (mono_string_chars (s1), mono_string_chars (s2), l1 * 2) == 0;
290 * @s: the string to hash
292 * Returns the hash for the string.
295 mono_string_hash (MonoString *s)
297 const guint16 *p = mono_string_chars (s);
298 int i, len = mono_string_length (s);
301 for (i = 0; i < len; i++) {
302 h = (h << 5) - h + *p;
310 mono_ptrarray_equal (gpointer *s1, gpointer *s2)
312 int len = GPOINTER_TO_INT (s1 [0]);
313 if (len != GPOINTER_TO_INT (s2 [0]))
316 return memcmp (s1 + 1, s2 + 1, len * sizeof(gpointer)) == 0;
320 mono_ptrarray_hash (gpointer *s)
323 int len = GPOINTER_TO_INT (s [0]);
326 for (i = 1; i < len; i++)
327 hash += GPOINTER_TO_UINT (s [i]);
333 * Allocate an id for domain and set domain->domain_id.
334 * LOCKING: must be called while holding appdomains_mutex.
335 * We try to assign low numbers to the domain, so it can be used
336 * as an index in data tables to lookup domain-specific info
337 * with minimal memory overhead. We also try not to reuse the
338 * same id too quickly (to help debugging).
341 domain_id_alloc (MonoDomain *domain)
344 if (!appdomains_list) {
345 appdomain_list_size = 2;
346 appdomains_list = mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), NULL);
348 for (i = appdomain_next; i < appdomain_list_size; ++i) {
349 if (!appdomains_list [i]) {
355 for (i = 0; i < appdomain_next; ++i) {
356 if (!appdomains_list [i]) {
363 MonoDomain **new_list;
364 int new_size = appdomain_list_size * 2;
365 if (new_size >= (1 << 16))
366 g_assert_not_reached ();
367 id = appdomain_list_size;
368 new_list = mono_gc_alloc_fixed (new_size * sizeof (void*), NULL);
369 memcpy (new_list, appdomains_list, appdomain_list_size * sizeof (void*));
370 mono_gc_free_fixed (appdomains_list);
371 appdomains_list = new_list;
372 appdomain_list_size = new_size;
374 domain->domain_id = id;
375 appdomains_list [id] = domain;
377 if (appdomain_next > appdomain_list_size)
382 static gsize domain_gc_bitmap [sizeof(MonoDomain)/4/32 + 1];
383 static gpointer domain_gc_desc = NULL;
384 static guint32 domain_shadow_serial = 0L;
387 mono_domain_create (void)
390 guint32 shadow_serial;
392 mono_appdomains_lock ();
393 shadow_serial = domain_shadow_serial++;
395 if (!domain_gc_desc) {
396 unsigned int i, bit = 0;
397 for (i = G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_OBJECT); i < G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_GC_TRACKED); i += sizeof (gpointer)) {
398 bit = i / sizeof (gpointer);
399 domain_gc_bitmap [bit / 32] |= (gsize) 1 << (bit % 32);
401 domain_gc_desc = mono_gc_make_descr_from_bitmap ((gsize*)domain_gc_bitmap, bit + 1);
403 mono_appdomains_unlock ();
407 * Boehm doesn't like roots inside GC allocated objects, and alloc_fixed returns
408 * a GC_MALLOC-ed object, contrary to the api docs. This causes random crashes when
409 * running the corlib test suite.
410 * To solve this, we pass a NULL descriptor, and don't register roots.
412 domain = mono_gc_alloc_fixed (sizeof (MonoDomain), NULL);
414 domain = mono_gc_alloc_fixed (sizeof (MonoDomain), domain_gc_desc);
415 mono_gc_register_root ((char*)&(domain->MONO_DOMAIN_FIRST_GC_TRACKED), G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_LAST_GC_TRACKED) - G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_GC_TRACKED), NULL);
417 domain->shadow_serial = shadow_serial;
418 domain->domain = NULL;
419 domain->setup = NULL;
420 domain->friendly_name = NULL;
421 domain->search_path = NULL;
423 mono_profiler_appdomain_event (domain, MONO_PROFILE_START_LOAD);
425 domain->mp = mono_mempool_new ();
426 domain->code_mp = mono_code_manager_new ();
427 domain->lock_free_mp = lock_free_mempool_new ();
428 domain->env = mono_g_hash_table_new_type ((GHashFunc)mono_string_hash, (GCompareFunc)mono_string_equal, MONO_HASH_KEY_VALUE_GC);
429 domain->domain_assemblies = NULL;
430 domain->assembly_bindings = NULL;
431 domain->assembly_bindings_parsed = FALSE;
432 domain->class_vtable_array = g_ptr_array_new ();
433 domain->proxy_vtable_hash = g_hash_table_new ((GHashFunc)mono_ptrarray_hash, (GCompareFunc)mono_ptrarray_equal);
434 domain->static_data_array = NULL;
435 mono_jit_code_hash_init (&domain->jit_code_hash);
436 domain->ldstr_table = mono_g_hash_table_new_type ((GHashFunc)mono_string_hash, (GCompareFunc)mono_string_equal, MONO_HASH_KEY_VALUE_GC);
437 domain->num_jit_info_tables = 1;
438 domain->jit_info_table = mono_jit_info_table_new (domain);
439 domain->jit_info_free_queue = NULL;
440 domain->finalizable_objects_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
441 domain->ftnptrs_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
443 mono_mutex_init_recursive (&domain->lock);
444 mono_mutex_init_recursive (&domain->assemblies_lock);
445 mono_mutex_init_recursive (&domain->jit_code_hash_lock);
446 mono_mutex_init_recursive (&domain->finalizable_objects_hash_lock);
448 domain->method_rgctx_hash = NULL;
450 mono_appdomains_lock ();
451 domain_id_alloc (domain);
452 mono_appdomains_unlock ();
454 #ifndef DISABLE_PERFCOUNTERS
455 mono_perfcounters->loader_appdomains++;
456 mono_perfcounters->loader_total_appdomains++;
459 mono_debug_domain_create (domain);
461 if (create_domain_hook)
462 create_domain_hook (domain);
464 mono_profiler_appdomain_loaded (domain, MONO_PROFILE_OK);
470 * mono_init_internal:
472 * Creates the initial application domain and initializes the mono_defaults
474 * This function is guaranteed to not run any IL code.
475 * If exe_filename is not NULL, the method will determine the required runtime
476 * from the exe configuration file or the version PE field.
477 * If runtime_version is not NULL, that runtime version will be used.
478 * Either exe_filename or runtime_version must be provided.
480 * Returns: the initial domain.
483 mono_init_internal (const char *filename, const char *exe_filename, const char *runtime_version)
485 static MonoDomain *domain = NULL;
486 MonoAssembly *ass = NULL;
487 MonoImageOpenStatus status = MONO_IMAGE_OK;
488 const MonoRuntimeInfo* runtimes [G_N_ELEMENTS (supported_runtimes) + 1];
491 #ifdef DEBUG_DOMAIN_UNLOAD
492 debug_domain_unload = TRUE;
496 g_assert_not_reached ();
499 /* Avoid system error message boxes. */
500 SetErrorMode (SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
507 #ifndef DISABLE_PERFCOUNTERS
508 mono_perfcounters_init ();
510 mono_counters_init ();
512 mono_counters_register ("Max native code in a domain", MONO_COUNTER_INT|MONO_COUNTER_JIT, &max_domain_code_size);
513 mono_counters_register ("Max code space allocated in a domain", MONO_COUNTER_INT|MONO_COUNTER_JIT, &max_domain_code_alloc);
514 mono_counters_register ("Total code space allocated", MONO_COUNTER_INT|MONO_COUNTER_JIT, &total_domain_code_alloc);
516 mono_gc_base_init ();
518 MONO_FAST_TLS_INIT (tls_appdomain);
519 mono_native_tls_alloc (&appdomain_thread_id, NULL);
521 mono_mutex_init_recursive (&appdomains_mutex);
523 mono_metadata_init ();
525 mono_assemblies_init ();
526 mono_classes_init ();
528 mono_reflection_init ();
529 mono_runtime_init_tls ();
531 /* FIXME: When should we release this memory? */
532 MONO_GC_REGISTER_ROOT_FIXED (appdomains_list);
534 domain = mono_domain_create ();
535 mono_root_domain = domain;
537 SET_APPDOMAIN (domain);
539 /* Get a list of runtimes supported by the exe */
540 if (exe_filename != NULL) {
542 * This function will load the exe file as a MonoImage. We need to close it, but
543 * that would mean it would be reloaded later. So instead, we save it to
544 * exe_image, and close it during shutdown.
546 get_runtimes_from_exe (exe_filename, &exe_image, runtimes);
549 exe_image = mono_assembly_open_from_bundle (exe_filename, NULL, FALSE);
551 exe_image = mono_image_open (exe_filename, NULL);
553 mono_fixup_exe_image (exe_image);
555 } else if (runtime_version != NULL) {
556 runtimes [0] = get_runtime_by_version (runtime_version);
560 if (runtimes [0] == NULL) {
561 const MonoRuntimeInfo *default_runtime = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
562 runtimes [0] = default_runtime;
564 g_print ("WARNING: The runtime version supported by this application is unavailable.\n");
565 g_print ("Using default runtime: %s\n", default_runtime->runtime_version);
568 /* The selected runtime will be the first one for which there is a mscrolib.dll */
569 for (n = 0; runtimes [n] != NULL && ass == NULL; n++) {
570 current_runtime = runtimes [n];
571 ass = mono_assembly_load_corlib (current_runtime, &status);
572 if (status != MONO_IMAGE_OK && status != MONO_IMAGE_ERROR_ERRNO)
577 if ((status != MONO_IMAGE_OK) || (ass == NULL)) {
579 case MONO_IMAGE_ERROR_ERRNO: {
580 char *corlib_file = g_build_filename (mono_assembly_getrootdir (), "mono", current_runtime->framework_version, "mscorlib.dll", NULL);
581 g_print ("The assembly mscorlib.dll was not found or could not be loaded.\n");
582 g_print ("It should have been installed in the `%s' directory.\n", corlib_file);
583 g_free (corlib_file);
586 case MONO_IMAGE_IMAGE_INVALID:
587 g_print ("The file %s/mscorlib.dll is an invalid CIL image\n",
588 mono_assembly_getrootdir ());
590 case MONO_IMAGE_MISSING_ASSEMBLYREF:
591 g_print ("Missing assembly reference in %s/mscorlib.dll\n",
592 mono_assembly_getrootdir ());
595 /* to suppress compiler warning */
601 mono_defaults.corlib = mono_assembly_get_image (ass);
603 mono_defaults.object_class = mono_class_from_name (
604 mono_defaults.corlib, "System", "Object");
605 g_assert (mono_defaults.object_class != 0);
607 mono_defaults.void_class = mono_class_from_name (
608 mono_defaults.corlib, "System", "Void");
609 g_assert (mono_defaults.void_class != 0);
611 mono_defaults.boolean_class = mono_class_from_name (
612 mono_defaults.corlib, "System", "Boolean");
613 g_assert (mono_defaults.boolean_class != 0);
615 mono_defaults.byte_class = mono_class_from_name (
616 mono_defaults.corlib, "System", "Byte");
617 g_assert (mono_defaults.byte_class != 0);
619 mono_defaults.sbyte_class = mono_class_from_name (
620 mono_defaults.corlib, "System", "SByte");
621 g_assert (mono_defaults.sbyte_class != 0);
623 mono_defaults.int16_class = mono_class_from_name (
624 mono_defaults.corlib, "System", "Int16");
625 g_assert (mono_defaults.int16_class != 0);
627 mono_defaults.uint16_class = mono_class_from_name (
628 mono_defaults.corlib, "System", "UInt16");
629 g_assert (mono_defaults.uint16_class != 0);
631 mono_defaults.int32_class = mono_class_from_name (
632 mono_defaults.corlib, "System", "Int32");
633 g_assert (mono_defaults.int32_class != 0);
635 mono_defaults.uint32_class = mono_class_from_name (
636 mono_defaults.corlib, "System", "UInt32");
637 g_assert (mono_defaults.uint32_class != 0);
639 mono_defaults.uint_class = mono_class_from_name (
640 mono_defaults.corlib, "System", "UIntPtr");
641 g_assert (mono_defaults.uint_class != 0);
643 mono_defaults.int_class = mono_class_from_name (
644 mono_defaults.corlib, "System", "IntPtr");
645 g_assert (mono_defaults.int_class != 0);
647 mono_defaults.int64_class = mono_class_from_name (
648 mono_defaults.corlib, "System", "Int64");
649 g_assert (mono_defaults.int64_class != 0);
651 mono_defaults.uint64_class = mono_class_from_name (
652 mono_defaults.corlib, "System", "UInt64");
653 g_assert (mono_defaults.uint64_class != 0);
655 mono_defaults.single_class = mono_class_from_name (
656 mono_defaults.corlib, "System", "Single");
657 g_assert (mono_defaults.single_class != 0);
659 mono_defaults.double_class = mono_class_from_name (
660 mono_defaults.corlib, "System", "Double");
661 g_assert (mono_defaults.double_class != 0);
663 mono_defaults.char_class = mono_class_from_name (
664 mono_defaults.corlib, "System", "Char");
665 g_assert (mono_defaults.char_class != 0);
667 mono_defaults.string_class = mono_class_from_name (
668 mono_defaults.corlib, "System", "String");
669 g_assert (mono_defaults.string_class != 0);
671 mono_defaults.enum_class = mono_class_from_name (
672 mono_defaults.corlib, "System", "Enum");
673 g_assert (mono_defaults.enum_class != 0);
675 mono_defaults.array_class = mono_class_from_name (
676 mono_defaults.corlib, "System", "Array");
677 g_assert (mono_defaults.array_class != 0);
679 mono_defaults.delegate_class = mono_class_from_name (
680 mono_defaults.corlib, "System", "Delegate");
681 g_assert (mono_defaults.delegate_class != 0 );
683 mono_defaults.multicastdelegate_class = mono_class_from_name (
684 mono_defaults.corlib, "System", "MulticastDelegate");
685 g_assert (mono_defaults.multicastdelegate_class != 0 );
687 mono_defaults.asyncresult_class = mono_class_from_name (
688 mono_defaults.corlib, "System.Runtime.Remoting.Messaging",
690 g_assert (mono_defaults.asyncresult_class != 0 );
692 mono_defaults.manualresetevent_class = mono_class_from_name (
693 mono_defaults.corlib, "System.Threading", "ManualResetEvent");
694 g_assert (mono_defaults.manualresetevent_class != 0 );
696 mono_defaults.typehandle_class = mono_class_from_name (
697 mono_defaults.corlib, "System", "RuntimeTypeHandle");
698 g_assert (mono_defaults.typehandle_class != 0);
700 mono_defaults.methodhandle_class = mono_class_from_name (
701 mono_defaults.corlib, "System", "RuntimeMethodHandle");
702 g_assert (mono_defaults.methodhandle_class != 0);
704 mono_defaults.fieldhandle_class = mono_class_from_name (
705 mono_defaults.corlib, "System", "RuntimeFieldHandle");
706 g_assert (mono_defaults.fieldhandle_class != 0);
708 mono_defaults.systemtype_class = mono_class_from_name (
709 mono_defaults.corlib, "System", "Type");
710 g_assert (mono_defaults.systemtype_class != 0);
712 mono_defaults.monotype_class = mono_class_from_name (
713 mono_defaults.corlib, "System", "MonoType");
714 g_assert (mono_defaults.monotype_class != 0);
716 mono_defaults.exception_class = mono_class_from_name (
717 mono_defaults.corlib, "System", "Exception");
718 g_assert (mono_defaults.exception_class != 0);
720 mono_defaults.threadabortexception_class = mono_class_from_name (
721 mono_defaults.corlib, "System.Threading", "ThreadAbortException");
722 g_assert (mono_defaults.threadabortexception_class != 0);
724 mono_defaults.thread_class = mono_class_from_name (
725 mono_defaults.corlib, "System.Threading", "Thread");
726 g_assert (mono_defaults.thread_class != 0);
728 mono_defaults.internal_thread_class = mono_class_from_name (
729 mono_defaults.corlib, "System.Threading", "InternalThread");
730 if (!mono_defaults.internal_thread_class) {
731 /* This can happen with an old mscorlib */
732 fprintf (stderr, "Corlib too old for this runtime.\n");
733 fprintf (stderr, "Loaded from: %s\n",
734 mono_defaults.corlib? mono_image_get_filename (mono_defaults.corlib): "unknown");
738 mono_defaults.appdomain_class = mono_class_from_name (
739 mono_defaults.corlib, "System", "AppDomain");
740 g_assert (mono_defaults.appdomain_class != 0);
742 #ifndef DISABLE_REMOTING
743 mono_defaults.transparent_proxy_class = mono_class_from_name (
744 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "TransparentProxy");
745 g_assert (mono_defaults.transparent_proxy_class != 0);
747 mono_defaults.real_proxy_class = mono_class_from_name (
748 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "RealProxy");
749 g_assert (mono_defaults.real_proxy_class != 0);
751 mono_defaults.marshalbyrefobject_class = mono_class_from_name (
752 mono_defaults.corlib, "System", "MarshalByRefObject");
753 g_assert (mono_defaults.marshalbyrefobject_class != 0);
755 mono_defaults.iremotingtypeinfo_class = mono_class_from_name (
756 mono_defaults.corlib, "System.Runtime.Remoting", "IRemotingTypeInfo");
757 g_assert (mono_defaults.iremotingtypeinfo_class != 0);
760 mono_defaults.mono_method_message_class = mono_class_from_name (
761 mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "MonoMethodMessage");
762 g_assert (mono_defaults.mono_method_message_class != 0);
764 mono_defaults.field_info_class = mono_class_from_name (
765 mono_defaults.corlib, "System.Reflection", "FieldInfo");
766 g_assert (mono_defaults.field_info_class != 0);
768 mono_defaults.method_info_class = mono_class_from_name (
769 mono_defaults.corlib, "System.Reflection", "MethodInfo");
770 g_assert (mono_defaults.method_info_class != 0);
772 mono_defaults.stringbuilder_class = mono_class_from_name (
773 mono_defaults.corlib, "System.Text", "StringBuilder");
774 g_assert (mono_defaults.stringbuilder_class != 0);
776 mono_defaults.math_class = mono_class_from_name (
777 mono_defaults.corlib, "System", "Math");
778 g_assert (mono_defaults.math_class != 0);
780 mono_defaults.stack_frame_class = mono_class_from_name (
781 mono_defaults.corlib, "System.Diagnostics", "StackFrame");
782 g_assert (mono_defaults.stack_frame_class != 0);
784 mono_defaults.stack_trace_class = mono_class_from_name (
785 mono_defaults.corlib, "System.Diagnostics", "StackTrace");
786 g_assert (mono_defaults.stack_trace_class != 0);
788 mono_defaults.marshal_class = mono_class_from_name (
789 mono_defaults.corlib, "System.Runtime.InteropServices", "Marshal");
790 g_assert (mono_defaults.marshal_class != 0);
792 mono_defaults.typed_reference_class = mono_class_from_name (
793 mono_defaults.corlib, "System", "TypedReference");
794 g_assert (mono_defaults.typed_reference_class != 0);
796 mono_defaults.argumenthandle_class = mono_class_from_name (
797 mono_defaults.corlib, "System", "RuntimeArgumentHandle");
798 g_assert (mono_defaults.argumenthandle_class != 0);
800 mono_defaults.monitor_class = mono_class_from_name (
801 mono_defaults.corlib, "System.Threading", "Monitor");
802 g_assert (mono_defaults.monitor_class != 0);
804 mono_defaults.runtimesecurityframe_class = mono_class_from_name (
805 mono_defaults.corlib, "System.Security", "RuntimeSecurityFrame");
807 mono_defaults.executioncontext_class = mono_class_from_name (
808 mono_defaults.corlib, "System.Threading", "ExecutionContext");
810 mono_defaults.internals_visible_class = mono_class_from_name (
811 mono_defaults.corlib, "System.Runtime.CompilerServices", "InternalsVisibleToAttribute");
813 mono_defaults.critical_finalizer_object = mono_class_from_name (
814 mono_defaults.corlib, "System.Runtime.ConstrainedExecution", "CriticalFinalizerObject");
817 * mscorlib needs a little help, only now it can load its friends list (after we have
818 * loaded the InternalsVisibleToAttribute), load it now
820 mono_assembly_load_friends (ass);
822 mono_defaults.safehandle_class = mono_class_from_name (
823 mono_defaults.corlib, "System.Runtime.InteropServices", "SafeHandle");
825 mono_defaults.handleref_class = mono_class_from_name (
826 mono_defaults.corlib, "System.Runtime.InteropServices", "HandleRef");
828 mono_defaults.attribute_class = mono_class_from_name (
829 mono_defaults.corlib, "System", "Attribute");
831 mono_defaults.customattribute_data_class = mono_class_from_name (
832 mono_defaults.corlib, "System.Reflection", "CustomAttributeData");
834 mono_class_init (mono_defaults.array_class);
835 mono_defaults.generic_nullable_class = mono_class_from_name (
836 mono_defaults.corlib, "System", "Nullable`1");
837 mono_defaults.generic_ilist_class = mono_class_from_name (
838 mono_defaults.corlib, "System.Collections.Generic", "IList`1");
839 mono_defaults.generic_ireadonlylist_class = mono_class_from_name (
840 mono_defaults.corlib, "System.Collections.Generic", "IReadOnlyList`1");
842 domain->friendly_name = g_path_get_basename (filename);
850 * Creates the initial application domain and initializes the mono_defaults
852 * This function is guaranteed to not run any IL code.
853 * The runtime is initialized using the default runtime version.
855 * Returns: the initial domain.
858 mono_init (const char *domain_name)
860 return mono_init_internal (domain_name, NULL, DEFAULT_RUNTIME_VERSION);
864 * mono_init_from_assembly:
865 * @domain_name: name to give to the initial domain
866 * @filename: filename to load on startup
868 * Used by the runtime, users should use mono_jit_init instead.
870 * Creates the initial application domain and initializes the mono_defaults
872 * This function is guaranteed to not run any IL code.
873 * The runtime is initialized using the runtime version required by the
874 * provided executable. The version is determined by looking at the exe
875 * configuration file and the version PE field)
877 * Returns: the initial domain.
880 mono_init_from_assembly (const char *domain_name, const char *filename)
882 return mono_init_internal (domain_name, filename, NULL);
888 * Used by the runtime, users should use mono_jit_init instead.
890 * Creates the initial application domain and initializes the mono_defaults
893 * This function is guaranteed to not run any IL code.
894 * The runtime is initialized using the provided rutime version.
896 * Returns: the initial domain.
899 mono_init_version (const char *domain_name, const char *version)
901 return mono_init_internal (domain_name, NULL, version);
907 * Cleans up all metadata modules.
912 mono_close_exe_image ();
914 mono_defaults.corlib = NULL;
916 mono_config_cleanup ();
917 mono_loader_cleanup ();
918 mono_classes_cleanup ();
919 mono_assemblies_cleanup ();
920 mono_images_cleanup ();
921 mono_debug_cleanup ();
922 mono_metadata_cleanup ();
924 mono_native_tls_free (appdomain_thread_id);
925 mono_mutex_destroy (&appdomains_mutex);
933 mono_close_exe_image (void)
936 mono_image_close (exe_image);
940 * mono_get_root_domain:
942 * The root AppDomain is the initial domain created by the runtime when it is
943 * initialized. Programs execute on this AppDomain, but can create new ones
944 * later. Currently there is no unmanaged API to create new AppDomains, this
945 * must be done from managed code.
947 * Returns: the root appdomain, to obtain the current domain, use mono_domain_get ()
950 mono_get_root_domain (void)
952 return mono_root_domain;
958 * Returns: the current domain, to obtain the root domain use
959 * mono_get_root_domain().
964 return GET_APPDOMAIN ();
968 mono_domain_unset (void)
970 SET_APPDOMAIN (NULL);
974 mono_domain_set_internal_with_options (MonoDomain *domain, gboolean migrate_exception)
976 MonoInternalThread *thread;
978 if (mono_domain_get () == domain)
981 SET_APPDOMAIN (domain);
982 SET_APPCONTEXT (domain->default_context);
984 if (migrate_exception) {
985 thread = mono_thread_internal_current ();
986 if (!thread->abort_exc)
989 g_assert (thread->abort_exc->object.vtable->domain != domain);
990 MONO_OBJECT_SETREF (thread, abort_exc, mono_get_exception_thread_abort ());
991 g_assert (thread->abort_exc->object.vtable->domain == domain);
996 * mono_domain_set_internal:
997 * @domain: the new domain
999 * Sets the current domain to @domain.
1002 mono_domain_set_internal (MonoDomain *domain)
1004 mono_domain_set_internal_with_options (domain, TRUE);
1008 mono_domain_foreach (MonoDomainFunc func, gpointer user_data)
1014 * Create a copy of the data to avoid calling the user callback
1015 * inside the lock because that could lead to deadlocks.
1016 * We can do this because this function is not perf. critical.
1018 mono_appdomains_lock ();
1019 size = appdomain_list_size;
1020 copy = mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), NULL);
1021 memcpy (copy, appdomains_list, appdomain_list_size * sizeof (void*));
1022 mono_appdomains_unlock ();
1024 for (i = 0; i < size; ++i) {
1026 func (copy [i], user_data);
1029 mono_gc_free_fixed (copy);
1033 * mono_domain_assembly_open:
1034 * @domain: the application domain
1035 * @name: file name of the assembly
1037 * fixme: maybe we should integrate this with mono_assembly_open ??
1040 mono_domain_assembly_open (MonoDomain *domain, const char *name)
1042 MonoDomain *current;
1046 mono_domain_assemblies_lock (domain);
1047 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1049 if (strcmp (name, ass->aname.name) == 0) {
1050 mono_domain_assemblies_unlock (domain);
1054 mono_domain_assemblies_unlock (domain);
1056 if (domain != mono_domain_get ()) {
1057 current = mono_domain_get ();
1059 mono_domain_set (domain, FALSE);
1060 ass = mono_assembly_open (name, NULL);
1061 mono_domain_set (current, FALSE);
1063 ass = mono_assembly_open (name, NULL);
1070 unregister_vtable_reflection_type (MonoVTable *vtable)
1072 MonoObject *type = vtable->type;
1074 if (type->vtable->klass != mono_defaults.monotype_class)
1075 MONO_GC_UNREGISTER_ROOT_IF_MOVING (vtable->type);
1079 mono_domain_free (MonoDomain *domain, gboolean force)
1081 int code_size, code_alloc;
1085 if ((domain == mono_root_domain) && !force) {
1086 g_warning ("cant unload root domain");
1090 if (mono_dont_free_domains)
1093 mono_profiler_appdomain_event (domain, MONO_PROFILE_START_UNLOAD);
1095 mono_debug_domain_unload (domain);
1097 mono_appdomains_lock ();
1098 appdomains_list [domain->domain_id] = NULL;
1099 mono_appdomains_unlock ();
1101 /* must do this early as it accesses fields and types */
1102 if (domain->special_static_fields) {
1103 mono_alloc_special_static_data_free (domain->special_static_fields);
1104 g_hash_table_destroy (domain->special_static_fields);
1105 domain->special_static_fields = NULL;
1109 * We must destroy all these hash tables here because they
1110 * contain references to managed objects belonging to the
1111 * domain. Once we let the GC clear the domain there must be
1112 * no more such references, or we'll crash if a collection
1115 mono_g_hash_table_destroy (domain->ldstr_table);
1116 domain->ldstr_table = NULL;
1118 mono_g_hash_table_destroy (domain->env);
1121 if (domain->tlsrec_list) {
1122 mono_thread_destroy_domain_tls (domain);
1123 domain->tlsrec_list = NULL;
1126 mono_reflection_cleanup_domain (domain);
1128 /* This must be done before type_hash is freed */
1129 if (domain->class_vtable_array) {
1131 for (i = 0; i < domain->class_vtable_array->len; ++i)
1132 unregister_vtable_reflection_type (g_ptr_array_index (domain->class_vtable_array, i));
1135 if (domain->type_hash) {
1136 mono_g_hash_table_destroy (domain->type_hash);
1137 domain->type_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;
1144 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1145 MonoAssembly *ass = tmp->data;
1146 mono_assembly_release_gc_roots (ass);
1149 /* Have to zero out reference fields since they will be invalidated by the clear_domain () call below */
1150 for (p = (gpointer*)&domain->MONO_DOMAIN_FIRST_OBJECT; p < (gpointer*)&domain->MONO_DOMAIN_FIRST_GC_TRACKED; ++p)
1153 /* This needs to be done before closing assemblies */
1154 mono_gc_clear_domain (domain);
1156 /* Close dynamic assemblies first, since they have no ref count */
1157 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1158 MonoAssembly *ass = tmp->data;
1159 if (!ass->image || !image_is_dynamic (ass->image))
1161 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Unloading domain %s[%p], assembly %s[%p], ref_count=%d", domain->friendly_name, domain, ass->aname.name, ass, ass->ref_count);
1162 if (!mono_assembly_close_except_image_pools (ass))
1166 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1167 MonoAssembly *ass = tmp->data;
1170 if (!ass->image || image_is_dynamic (ass->image))
1172 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Unloading domain %s[%p], assembly %s[%p], ref_count=%d", domain->friendly_name, domain, ass->aname.name, ass, ass->ref_count);
1173 if (!mono_assembly_close_except_image_pools (ass))
1177 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1178 MonoAssembly *ass = tmp->data;
1180 mono_assembly_close_finish (ass);
1182 g_slist_free (domain->domain_assemblies);
1183 domain->domain_assemblies = NULL;
1186 * Send this after the assemblies have been unloaded and the domain is still in a
1189 mono_profiler_appdomain_event (domain, MONO_PROFILE_END_UNLOAD);
1191 if (free_domain_hook)
1192 free_domain_hook (domain);
1194 /* FIXME: free delegate_hash_table when it's used */
1195 if (domain->search_path) {
1196 g_strfreev (domain->search_path);
1197 domain->search_path = NULL;
1199 domain->create_proxy_for_type_method = NULL;
1200 domain->private_invoke_method = NULL;
1201 domain->default_context = NULL;
1202 domain->out_of_memory_ex = NULL;
1203 domain->null_reference_ex = NULL;
1204 domain->stack_overflow_ex = NULL;
1205 domain->ephemeron_tombstone = NULL;
1206 domain->entry_assembly = NULL;
1208 g_free (domain->friendly_name);
1209 domain->friendly_name = NULL;
1210 g_ptr_array_free (domain->class_vtable_array, TRUE);
1211 domain->class_vtable_array = NULL;
1212 g_hash_table_destroy (domain->proxy_vtable_hash);
1213 domain->proxy_vtable_hash = NULL;
1214 if (domain->static_data_array) {
1215 mono_gc_free_fixed (domain->static_data_array);
1216 domain->static_data_array = NULL;
1218 mono_internal_hash_table_destroy (&domain->jit_code_hash);
1221 * There might still be jit info tables of this domain which
1222 * are not freed. Since the domain cannot be in use anymore,
1223 * this will free them.
1225 mono_thread_hazardous_try_free_all ();
1226 if (domain->aot_modules)
1227 mono_jit_info_table_free (domain->aot_modules);
1228 g_assert (domain->num_jit_info_tables == 1);
1229 mono_jit_info_table_free (domain->jit_info_table);
1230 domain->jit_info_table = NULL;
1231 g_assert (!domain->jit_info_free_queue);
1233 /* collect statistics */
1234 code_alloc = mono_code_manager_size (domain->code_mp, &code_size);
1235 total_domain_code_alloc += code_alloc;
1236 max_domain_code_alloc = MAX (max_domain_code_alloc, code_alloc);
1237 max_domain_code_size = MAX (max_domain_code_size, code_size);
1239 if (debug_domain_unload) {
1240 mono_mempool_invalidate (domain->mp);
1241 mono_code_manager_invalidate (domain->code_mp);
1243 #ifndef DISABLE_PERFCOUNTERS
1244 mono_perfcounters->loader_bytes -= mono_mempool_get_allocated (domain->mp);
1246 mono_mempool_destroy (domain->mp);
1248 mono_code_manager_destroy (domain->code_mp);
1249 domain->code_mp = NULL;
1251 lock_free_mempool_free (domain->lock_free_mp);
1252 domain->lock_free_mp = NULL;
1254 g_hash_table_destroy (domain->finalizable_objects_hash);
1255 domain->finalizable_objects_hash = NULL;
1256 if (domain->method_rgctx_hash) {
1257 g_hash_table_destroy (domain->method_rgctx_hash);
1258 domain->method_rgctx_hash = NULL;
1260 if (domain->generic_virtual_cases) {
1261 g_hash_table_destroy (domain->generic_virtual_cases);
1262 domain->generic_virtual_cases = NULL;
1264 if (domain->generic_virtual_thunks) {
1265 g_hash_table_destroy (domain->generic_virtual_thunks);
1266 domain->generic_virtual_thunks = NULL;
1268 if (domain->ftnptrs_hash) {
1269 g_hash_table_destroy (domain->ftnptrs_hash);
1270 domain->ftnptrs_hash = NULL;
1273 mono_mutex_destroy (&domain->finalizable_objects_hash_lock);
1274 mono_mutex_destroy (&domain->assemblies_lock);
1275 mono_mutex_destroy (&domain->jit_code_hash_lock);
1276 mono_mutex_destroy (&domain->lock);
1277 domain->setup = NULL;
1279 mono_gc_deregister_root ((char*)&(domain->MONO_DOMAIN_FIRST_GC_TRACKED));
1281 /* FIXME: anything else required ? */
1283 mono_gc_free_fixed (domain);
1285 #ifndef DISABLE_PERFCOUNTERS
1286 mono_perfcounters->loader_appdomains--;
1289 if (domain == mono_root_domain)
1290 mono_root_domain = NULL;
1294 * mono_domain_get_id:
1297 * Returns: the a domain for a specific domain id.
1300 mono_domain_get_by_id (gint32 domainid)
1302 MonoDomain * domain;
1304 mono_appdomains_lock ();
1305 if (domainid < appdomain_list_size)
1306 domain = appdomains_list [domainid];
1309 mono_appdomains_unlock ();
1315 mono_domain_get_id (MonoDomain *domain)
1317 return domain->domain_id;
1321 * mono_domain_alloc:
1323 * LOCKING: Acquires the domain lock.
1326 mono_domain_alloc (MonoDomain *domain, guint size)
1330 mono_domain_lock (domain);
1331 #ifndef DISABLE_PERFCOUNTERS
1332 mono_perfcounters->loader_bytes += size;
1334 res = mono_mempool_alloc (domain->mp, size);
1335 mono_domain_unlock (domain);
1341 * mono_domain_alloc0:
1343 * LOCKING: Acquires the domain lock.
1346 mono_domain_alloc0 (MonoDomain *domain, guint size)
1350 mono_domain_lock (domain);
1351 #ifndef DISABLE_PERFCOUNTERS
1352 mono_perfcounters->loader_bytes += size;
1354 res = mono_mempool_alloc0 (domain->mp, size);
1355 mono_domain_unlock (domain);
1361 mono_domain_alloc0_lock_free (MonoDomain *domain, guint size)
1363 return lock_free_mempool_alloc0 (domain->lock_free_mp, size);
1367 * mono_domain_code_reserve:
1369 * LOCKING: Acquires the domain lock.
1372 mono_domain_code_reserve (MonoDomain *domain, int size)
1376 mono_domain_lock (domain);
1377 res = mono_code_manager_reserve (domain->code_mp, size);
1378 mono_domain_unlock (domain);
1384 * mono_domain_code_reserve_align:
1386 * LOCKING: Acquires the domain lock.
1389 mono_domain_code_reserve_align (MonoDomain *domain, int size, int alignment)
1393 mono_domain_lock (domain);
1394 res = mono_code_manager_reserve_align (domain->code_mp, size, alignment);
1395 mono_domain_unlock (domain);
1401 * mono_domain_code_commit:
1403 * LOCKING: Acquires the domain lock.
1406 mono_domain_code_commit (MonoDomain *domain, void *data, int size, int newsize)
1408 mono_domain_lock (domain);
1409 mono_code_manager_commit (domain->code_mp, data, size, newsize);
1410 mono_domain_unlock (domain);
1413 #if defined(__native_client_codegen__) && defined(__native_client__)
1415 * Given the temporary buffer (allocated by mono_domain_code_reserve) into which
1416 * we are generating code, return a pointer to the destination in the dynamic
1417 * code segment into which the code will be copied when mono_domain_code_commit
1419 * LOCKING: Acquires the domain lock.
1422 nacl_domain_get_code_dest (MonoDomain *domain, void *data)
1425 mono_domain_lock (domain);
1426 dest = nacl_code_manager_get_code_dest (domain->code_mp, data);
1427 mono_domain_unlock (domain);
1432 * Convenience function which calls mono_domain_code_commit to validate and copy
1433 * the code. The caller sets *buf_base and *buf_size to the start and size of
1434 * the buffer (allocated by mono_domain_code_reserve), and *code_end to the byte
1435 * after the last instruction byte. On return, *buf_base will point to the start
1436 * of the copied in the code segment, and *code_end will point after the end of
1440 nacl_domain_code_validate (MonoDomain *domain, guint8 **buf_base, int buf_size, guint8 **code_end)
1442 guint8 *tmp = nacl_domain_get_code_dest (domain, *buf_base);
1443 mono_domain_code_commit (domain, *buf_base, buf_size, *code_end - *buf_base);
1444 *code_end = tmp + (*code_end - *buf_base);
1450 /* no-op versions of Native Client functions */
1453 nacl_domain_get_code_dest (MonoDomain *domain, void *data)
1459 nacl_domain_code_validate (MonoDomain *domain, guint8 **buf_base, int buf_size, guint8 **code_end)
1466 * mono_domain_code_foreach:
1467 * Iterate over the code thunks of the code manager of @domain.
1469 * The @func callback MUST not take any locks. If it really needs to, it must respect
1470 * the locking rules of the runtime: http://www.mono-project.com/Mono:Runtime:Documentation:ThreadSafety
1471 * LOCKING: Acquires the domain lock.
1475 mono_domain_code_foreach (MonoDomain *domain, MonoCodeManagerFunc func, void *user_data)
1477 mono_domain_lock (domain);
1478 mono_code_manager_foreach (domain->code_mp, func, user_data);
1479 mono_domain_unlock (domain);
1484 mono_context_set (MonoAppContext * new_context)
1486 SET_APPCONTEXT (new_context);
1490 mono_context_get (void)
1492 return GET_APPCONTEXT ();
1495 /* LOCKING: the caller holds the lock for this domain */
1497 mono_domain_add_class_static_data (MonoDomain *domain, MonoClass *klass, gpointer data, guint32 *bitmap)
1499 /* The first entry in the array is the index of the next free slot
1500 * and the total size of the array
1503 if (domain->static_data_array) {
1504 int size = GPOINTER_TO_INT (domain->static_data_array [1]);
1505 next = GPOINTER_TO_INT (domain->static_data_array [0]);
1507 /* 'data' is allocated by alloc_fixed */
1508 gpointer *new_array = mono_gc_alloc_fixed (sizeof (gpointer) * (size * 2), MONO_GC_ROOT_DESCR_FOR_FIXED (size * 2));
1509 mono_gc_memmove_aligned (new_array, domain->static_data_array, sizeof (gpointer) * size);
1511 new_array [1] = GINT_TO_POINTER (size);
1512 mono_gc_free_fixed (domain->static_data_array);
1513 domain->static_data_array = new_array;
1517 gpointer *new_array = mono_gc_alloc_fixed (sizeof (gpointer) * size, MONO_GC_ROOT_DESCR_FOR_FIXED (size));
1519 new_array [0] = GINT_TO_POINTER (next);
1520 new_array [1] = GINT_TO_POINTER (size);
1521 domain->static_data_array = new_array;
1523 domain->static_data_array [next++] = data;
1524 domain->static_data_array [0] = GINT_TO_POINTER (next);
1528 mono_get_corlib (void)
1530 return mono_defaults.corlib;
1534 mono_get_object_class (void)
1536 return mono_defaults.object_class;
1540 mono_get_byte_class (void)
1542 return mono_defaults.byte_class;
1546 mono_get_void_class (void)
1548 return mono_defaults.void_class;
1552 mono_get_boolean_class (void)
1554 return mono_defaults.boolean_class;
1558 mono_get_sbyte_class (void)
1560 return mono_defaults.sbyte_class;
1564 mono_get_int16_class (void)
1566 return mono_defaults.int16_class;
1570 mono_get_uint16_class (void)
1572 return mono_defaults.uint16_class;
1576 mono_get_int32_class (void)
1578 return mono_defaults.int32_class;
1582 mono_get_uint32_class (void)
1584 return mono_defaults.uint32_class;
1588 mono_get_intptr_class (void)
1590 return mono_defaults.int_class;
1594 mono_get_uintptr_class (void)
1596 return mono_defaults.uint_class;
1600 mono_get_int64_class (void)
1602 return mono_defaults.int64_class;
1606 mono_get_uint64_class (void)
1608 return mono_defaults.uint64_class;
1612 mono_get_single_class (void)
1614 return mono_defaults.single_class;
1618 mono_get_double_class (void)
1620 return mono_defaults.double_class;
1624 mono_get_char_class (void)
1626 return mono_defaults.char_class;
1630 mono_get_string_class (void)
1632 return mono_defaults.string_class;
1636 mono_get_enum_class (void)
1638 return mono_defaults.enum_class;
1642 mono_get_array_class (void)
1644 return mono_defaults.array_class;
1648 mono_get_thread_class (void)
1650 return mono_defaults.thread_class;
1654 mono_get_exception_class (void)
1656 return mono_defaults.exception_class;
1660 static char* get_attribute_value (const gchar **attribute_names,
1661 const gchar **attribute_values,
1662 const char *att_name)
1665 for (n=0; attribute_names[n] != NULL; n++) {
1666 if (strcmp (attribute_names[n], att_name) == 0)
1667 return g_strdup (attribute_values[n]);
1672 static void start_element (GMarkupParseContext *context,
1673 const gchar *element_name,
1674 const gchar **attribute_names,
1675 const gchar **attribute_values,
1679 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
1681 if (strcmp (element_name, "configuration") == 0) {
1682 app_config->configuration_count++;
1685 if (strcmp (element_name, "startup") == 0) {
1686 app_config->startup_count++;
1690 if (app_config->configuration_count != 1 || app_config->startup_count != 1)
1693 if (strcmp (element_name, "requiredRuntime") == 0) {
1694 app_config->required_runtime = get_attribute_value (attribute_names, attribute_values, "version");
1695 } else if (strcmp (element_name, "supportedRuntime") == 0) {
1696 char *version = get_attribute_value (attribute_names, attribute_values, "version");
1697 app_config->supported_runtimes = g_slist_append (app_config->supported_runtimes, version);
1701 static void end_element (GMarkupParseContext *context,
1702 const gchar *element_name,
1706 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
1708 if (strcmp (element_name, "configuration") == 0) {
1709 app_config->configuration_count--;
1710 } else if (strcmp (element_name, "startup") == 0) {
1711 app_config->startup_count--;
1715 static const GMarkupParser
1724 static AppConfigInfo *
1725 app_config_parse (const char *exe_filename)
1727 AppConfigInfo *app_config;
1728 GMarkupParseContext *context;
1731 const char *bundled_config;
1732 char *config_filename;
1734 bundled_config = mono_config_string_for_assembly_file (exe_filename);
1736 if (bundled_config) {
1737 text = g_strdup (bundled_config);
1738 len = strlen (text);
1740 config_filename = g_strconcat (exe_filename, ".config", NULL);
1742 if (!g_file_get_contents (config_filename, &text, &len, NULL)) {
1743 g_free (config_filename);
1746 g_free (config_filename);
1749 app_config = g_new0 (AppConfigInfo, 1);
1751 context = g_markup_parse_context_new (&mono_parser, 0, app_config, NULL);
1752 if (g_markup_parse_context_parse (context, text, len, NULL)) {
1753 g_markup_parse_context_end_parse (context, NULL);
1755 g_markup_parse_context_free (context);
1761 app_config_free (AppConfigInfo* app_config)
1764 GSList *list = app_config->supported_runtimes;
1765 while (list != NULL) {
1766 rt = (char*)list->data;
1768 list = g_slist_next (list);
1770 g_slist_free (app_config->supported_runtimes);
1771 g_free (app_config->required_runtime);
1772 g_free (app_config);
1776 static const MonoRuntimeInfo*
1777 get_runtime_by_version (const char *version)
1780 int max = G_N_ELEMENTS (supported_runtimes);
1786 for (n=0; n<max; n++) {
1787 if (strcmp (version, supported_runtimes[n].runtime_version) == 0)
1788 return &supported_runtimes[n];
1791 vlen = strlen (version);
1792 if (vlen >= 4 && version [1] - '0' >= 4) {
1793 for (n=0; n<max; n++) {
1794 if (strncmp (version, supported_runtimes[n].runtime_version, 4) == 0)
1795 return &supported_runtimes[n];
1803 get_runtimes_from_exe (const char *exe_file, MonoImage **exe_image, const MonoRuntimeInfo** runtimes)
1805 AppConfigInfo* app_config;
1807 const MonoRuntimeInfo* runtime = NULL;
1808 MonoImage *image = NULL;
1810 app_config = app_config_parse (exe_file);
1812 if (app_config != NULL) {
1813 /* Check supportedRuntime elements, if none is supported, fail.
1814 * If there are no such elements, look for a requiredRuntime element.
1816 if (app_config->supported_runtimes != NULL) {
1818 GSList *list = app_config->supported_runtimes;
1819 while (list != NULL) {
1820 version = (char*) list->data;
1821 runtime = get_runtime_by_version (version);
1822 if (runtime != NULL)
1823 runtimes [n++] = runtime;
1824 list = g_slist_next (list);
1826 runtimes [n] = NULL;
1827 app_config_free (app_config);
1831 /* Check the requiredRuntime element. This is for 1.0 apps only. */
1832 if (app_config->required_runtime != NULL) {
1833 runtimes [0] = get_runtime_by_version (app_config->required_runtime);
1834 runtimes [1] = NULL;
1835 app_config_free (app_config);
1838 app_config_free (app_config);
1841 /* Look for a runtime with the exact version */
1842 image = mono_assembly_open_from_bundle (exe_file, NULL, FALSE);
1845 image = mono_image_open (exe_file, NULL);
1847 if (image == NULL) {
1848 /* The image is wrong or the file was not found. In this case return
1849 * a default runtime and leave to the initialization method the work of
1850 * reporting the error.
1852 runtimes [0] = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
1853 runtimes [1] = NULL;
1859 runtimes [0] = get_runtime_by_version (image->version);
1860 runtimes [1] = NULL;
1865 * mono_get_runtime_info:
1867 * Returns: the version of the current runtime instance.
1869 const MonoRuntimeInfo*
1870 mono_get_runtime_info (void)
1872 return current_runtime;
1876 mono_debugger_check_runtime_version (const char *filename)
1878 const MonoRuntimeInfo* runtimes [G_N_ELEMENTS (supported_runtimes) + 1];
1879 const MonoRuntimeInfo *rinfo;
1882 get_runtimes_from_exe (filename, &image, runtimes);
1883 rinfo = runtimes [0];
1886 return g_strdup_printf ("Cannot get runtime version from assembly `%s'", filename);
1888 if (rinfo != current_runtime)
1889 return g_strdup_printf ("The Mono Debugger is currently using the `%s' runtime, but "
1890 "the assembly `%s' requires version `%s'", current_runtime->runtime_version,
1891 filename, rinfo->runtime_version);
1897 * mono_framework_version:
1899 * Return the major version of the framework curently executing.
1902 mono_framework_version (void)
1904 return current_runtime->framework_version [0] - '0';
1908 mono_enable_debug_domain_unload (gboolean enable)
1910 debug_domain_unload = enable;
1913 MonoAotCacheConfig *
1914 mono_get_aot_cache_config (void)
1916 return &aot_cache_config;