2 * domain.c: MonoDomain functions
5 * Dietmar Maurer (dietmar@ximian.com)
8 * Copyright 2001-2003 Ximian, Inc (http://www.ximian.com)
9 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
10 * Copyright 2011-2012 Xamarin, Inc (http://www.xamarin.com)
18 #include <mono/metadata/gc-internals.h>
20 #include <mono/utils/atomic.h>
21 #include <mono/utils/mono-compiler.h>
22 #include <mono/utils/mono-logger-internals.h>
23 #include <mono/utils/mono-membar.h>
24 #include <mono/utils/mono-counters.h>
25 #include <mono/utils/hazard-pointer.h>
26 #include <mono/utils/mono-tls.h>
27 #include <mono/utils/mono-mmap.h>
28 #include <mono/utils/mono-threads.h>
29 #include <mono/metadata/object.h>
30 #include <mono/metadata/object-internals.h>
31 #include <mono/metadata/domain-internals.h>
32 #include <mono/metadata/class-internals.h>
33 #include <mono/metadata/assembly.h>
34 #include <mono/metadata/exception.h>
35 #include <mono/metadata/metadata-internals.h>
36 #include <mono/metadata/gc-internals.h>
37 #include <mono/metadata/appdomain.h>
38 #include <mono/metadata/mono-debug-debugger.h>
39 #include <mono/metadata/mono-config.h>
40 #include <mono/metadata/threads-types.h>
41 #include <mono/metadata/runtime.h>
42 #include <metadata/threads.h>
43 #include <metadata/profiler-private.h>
44 #include <mono/metadata/coree.h>
46 //#define DEBUG_DOMAIN_UNLOAD 1
48 /* we need to use both the Tls* functions and __thread because
49 * some archs may generate faster jit code with one meachanism
50 * or the other (we used to do it because tls slots were GC-tracked,
51 * but we can't depend on this).
53 static MonoNativeTlsKey appdomain_thread_id;
55 #ifdef MONO_HAVE_FAST_TLS
57 MONO_FAST_TLS_DECLARE(tls_appdomain);
59 #define GET_APPDOMAIN() ((MonoDomain*)MONO_FAST_TLS_GET(tls_appdomain))
61 #define SET_APPDOMAIN(x) do { \
62 MonoThreadInfo *info; \
63 MONO_FAST_TLS_SET (tls_appdomain,x); \
64 mono_native_tls_set_value (appdomain_thread_id, x); \
65 mono_gc_set_current_thread_appdomain (x); \
66 info = mono_thread_info_current (); \
68 mono_thread_info_tls_set (info, TLS_KEY_DOMAIN, (x)); \
71 #else /* !MONO_HAVE_FAST_TLS */
73 #define GET_APPDOMAIN() ((MonoDomain *)mono_native_tls_get_value (appdomain_thread_id))
74 #define SET_APPDOMAIN(x) do { \
75 MonoThreadInfo *info; \
76 mono_native_tls_set_value (appdomain_thread_id, x); \
77 mono_gc_set_current_thread_appdomain (x); \
78 info = mono_thread_info_current (); \
80 mono_thread_info_tls_set (info, TLS_KEY_DOMAIN, (x)); \
85 #define GET_APPCONTEXT() (mono_thread_internal_current ()->current_appcontext)
86 #define SET_APPCONTEXT(x) MONO_OBJECT_SETREF (mono_thread_internal_current (), current_appcontext, (x))
88 static guint16 appdomain_list_size = 0;
89 static guint16 appdomain_next = 0;
90 static MonoDomain **appdomains_list = NULL;
91 static MonoImage *exe_image;
92 static gboolean debug_domain_unload;
94 gboolean mono_dont_free_domains;
96 #define mono_appdomains_lock() do { \
98 mono_mutex_lock (&appdomains_mutex); \
99 MONO_FINISH_TRY_BLOCKING; \
102 #define mono_appdomains_unlock() mono_mutex_unlock (&appdomains_mutex)
103 static mono_mutex_t appdomains_mutex;
105 static MonoDomain *mono_root_domain = NULL;
107 /* some statistics */
108 static int max_domain_code_size = 0;
109 static int max_domain_code_alloc = 0;
110 static int total_domain_code_alloc = 0;
112 /* AppConfigInfo: Information about runtime versions supported by an
116 GSList *supported_runtimes;
117 char *required_runtime;
118 int configuration_count;
122 static const MonoRuntimeInfo *current_runtime = NULL;
124 /* This is the list of runtime versions supported by this JIT.
126 static const MonoRuntimeInfo supported_runtimes[] = {
127 {"v4.0.30319","4.5", { {4,0,0,0}, {10,0,0,0}, {4,0,0,0}, {4,0,0,0} } },
128 {"mobile", "2.1", { {2,0,5,0}, {10,0,0,0}, {2,0,5,0}, {2,0,5,0} } },
129 {"moonlight", "2.1", { {2,0,5,0}, { 9,0,0,0}, {3,5,0,0}, {3,0,0,0} } },
133 /* The stable runtime version */
134 #define DEFAULT_RUNTIME_VERSION "v4.0.30319"
136 /* Callbacks installed by the JIT */
137 static MonoCreateDomainFunc create_domain_hook;
138 static MonoFreeDomainFunc free_domain_hook;
140 /* AOT cache configuration */
141 static MonoAotCacheConfig aot_cache_config;
144 get_runtimes_from_exe (const char *exe_file, MonoImage **exe_image, const MonoRuntimeInfo** runtimes);
146 static const MonoRuntimeInfo*
147 get_runtime_by_version (const char *version);
150 mono_domain_get_tls_key (void)
152 return appdomain_thread_id;
156 mono_domain_get_tls_offset (void)
161 if (appdomain_thread_id)
162 offset = appdomain_thread_id;
164 MONO_THREAD_VAR_OFFSET (tls_appdomain, offset);
169 #define ALIGN_TO(val,align) ((((guint64)val) + ((align) - 1)) & ~((align) - 1))
170 #define ALIGN_PTR_TO(ptr,align) (gpointer)((((gssize)(ptr)) + (align - 1)) & (~(align - 1)))
172 static LockFreeMempool*
173 lock_free_mempool_new (void)
175 return g_new0 (LockFreeMempool, 1);
179 lock_free_mempool_free (LockFreeMempool *mp)
181 LockFreeMempoolChunk *chunk, *next;
186 mono_vfree (chunk, mono_pagesize ());
195 static LockFreeMempoolChunk*
196 lock_free_mempool_chunk_new (LockFreeMempool *mp, int len)
198 LockFreeMempoolChunk *chunk, *prev;
201 size = mono_pagesize ();
202 while (size - sizeof (LockFreeMempoolChunk) < len)
203 size += mono_pagesize ();
204 chunk = mono_valloc (0, size, MONO_MMAP_READ|MONO_MMAP_WRITE);
206 chunk->mem = ALIGN_PTR_TO ((char*)chunk + sizeof (LockFreeMempoolChunk), 16);
207 chunk->size = ((char*)chunk + size) - (char*)chunk->mem;
210 /* Add to list of chunks lock-free */
213 if (InterlockedCompareExchangePointer ((volatile gpointer*)&mp->chunks, chunk, prev) == prev)
225 lock_free_mempool_alloc0 (LockFreeMempool *mp, guint size)
227 LockFreeMempoolChunk *chunk;
231 // FIXME: Free the allocator
233 size = ALIGN_TO (size, 8);
236 chunk = lock_free_mempool_chunk_new (mp, size);
237 mono_memory_barrier ();
242 /* The code below is lock-free, 'chunk' is shared state */
243 oldpos = InterlockedExchangeAdd (&chunk->pos, size);
244 if (oldpos + size > chunk->size) {
245 chunk = lock_free_mempool_chunk_new (mp, size);
246 g_assert (chunk->pos + size <= chunk->size);
249 mono_memory_barrier ();
252 res = (char*)chunk->mem + oldpos;
259 mono_install_create_domain_hook (MonoCreateDomainFunc func)
261 create_domain_hook = func;
265 mono_install_free_domain_hook (MonoFreeDomainFunc func)
267 free_domain_hook = func;
272 * @s1: First string to compare
273 * @s2: Second string to compare
275 * Returns FALSE if the strings differ.
278 mono_string_equal (MonoString *s1, MonoString *s2)
280 int l1 = mono_string_length (s1);
281 int l2 = mono_string_length (s2);
288 return memcmp (mono_string_chars (s1), mono_string_chars (s2), l1 * 2) == 0;
293 * @s: the string to hash
295 * Returns the hash for the string.
298 mono_string_hash (MonoString *s)
300 const guint16 *p = mono_string_chars (s);
301 int i, len = mono_string_length (s);
304 for (i = 0; i < len; i++) {
305 h = (h << 5) - h + *p;
313 mono_ptrarray_equal (gpointer *s1, gpointer *s2)
315 int len = GPOINTER_TO_INT (s1 [0]);
316 if (len != GPOINTER_TO_INT (s2 [0]))
319 return memcmp (s1 + 1, s2 + 1, len * sizeof(gpointer)) == 0;
323 mono_ptrarray_hash (gpointer *s)
326 int len = GPOINTER_TO_INT (s [0]);
329 for (i = 1; i < len; i++)
330 hash += GPOINTER_TO_UINT (s [i]);
336 * Allocate an id for domain and set domain->domain_id.
337 * LOCKING: must be called while holding appdomains_mutex.
338 * We try to assign low numbers to the domain, so it can be used
339 * as an index in data tables to lookup domain-specific info
340 * with minimal memory overhead. We also try not to reuse the
341 * same id too quickly (to help debugging).
344 domain_id_alloc (MonoDomain *domain)
347 if (!appdomains_list) {
348 appdomain_list_size = 2;
349 appdomains_list = mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "domains list");
351 for (i = appdomain_next; i < appdomain_list_size; ++i) {
352 if (!appdomains_list [i]) {
358 for (i = 0; i < appdomain_next; ++i) {
359 if (!appdomains_list [i]) {
366 MonoDomain **new_list;
367 int new_size = appdomain_list_size * 2;
368 if (new_size >= (1 << 16))
369 g_assert_not_reached ();
370 id = appdomain_list_size;
371 new_list = mono_gc_alloc_fixed (new_size * sizeof (void*), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "domains list");
372 memcpy (new_list, appdomains_list, appdomain_list_size * sizeof (void*));
373 mono_gc_free_fixed (appdomains_list);
374 appdomains_list = new_list;
375 appdomain_list_size = new_size;
377 domain->domain_id = id;
378 appdomains_list [id] = domain;
380 if (appdomain_next > appdomain_list_size)
385 static gsize domain_gc_bitmap [sizeof(MonoDomain)/4/32 + 1];
386 static MonoGCDescriptor domain_gc_desc = MONO_GC_DESCRIPTOR_NULL;
387 static guint32 domain_shadow_serial = 0L;
390 mono_domain_create (void)
393 guint32 shadow_serial;
395 mono_appdomains_lock ();
396 shadow_serial = domain_shadow_serial++;
398 if (!domain_gc_desc) {
399 unsigned int i, bit = 0;
400 for (i = G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_OBJECT); i < G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_GC_TRACKED); i += sizeof (gpointer)) {
401 bit = i / sizeof (gpointer);
402 domain_gc_bitmap [bit / 32] |= (gsize) 1 << (bit % 32);
404 domain_gc_desc = mono_gc_make_descr_from_bitmap ((gsize*)domain_gc_bitmap, bit + 1);
406 mono_appdomains_unlock ();
410 * Boehm doesn't like roots inside GC allocated objects, and alloc_fixed returns
411 * a GC_MALLOC-ed object, contrary to the api docs. This causes random crashes when
412 * running the corlib test suite.
413 * To solve this, we pass a NULL descriptor, and don't register roots.
415 domain = mono_gc_alloc_fixed (sizeof (MonoDomain), NULL, MONO_ROOT_SOURCE_DOMAIN, "domain object");
417 domain = mono_gc_alloc_fixed (sizeof (MonoDomain), domain_gc_desc, MONO_ROOT_SOURCE_DOMAIN, "domain object");
418 mono_gc_register_root ((char*)&(domain->MONO_DOMAIN_FIRST_GC_TRACKED), G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_LAST_GC_TRACKED) - G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_GC_TRACKED), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "misc domain fields");
420 domain->shadow_serial = shadow_serial;
421 domain->domain = NULL;
422 domain->setup = NULL;
423 domain->friendly_name = NULL;
424 domain->search_path = NULL;
426 mono_profiler_appdomain_event (domain, MONO_PROFILE_START_LOAD);
428 domain->mp = mono_mempool_new ();
429 domain->code_mp = mono_code_manager_new ();
430 domain->lock_free_mp = lock_free_mempool_new ();
431 domain->env = mono_g_hash_table_new_type ((GHashFunc)mono_string_hash, (GCompareFunc)mono_string_equal, MONO_HASH_KEY_VALUE_GC, MONO_ROOT_SOURCE_DOMAIN, "domain environment variables table");
432 domain->domain_assemblies = NULL;
433 domain->assembly_bindings = NULL;
434 domain->assembly_bindings_parsed = FALSE;
435 domain->class_vtable_array = g_ptr_array_new ();
436 domain->proxy_vtable_hash = g_hash_table_new ((GHashFunc)mono_ptrarray_hash, (GCompareFunc)mono_ptrarray_equal);
437 domain->static_data_array = NULL;
438 mono_jit_code_hash_init (&domain->jit_code_hash);
439 domain->ldstr_table = mono_g_hash_table_new_type ((GHashFunc)mono_string_hash, (GCompareFunc)mono_string_equal, MONO_HASH_KEY_VALUE_GC, MONO_ROOT_SOURCE_DOMAIN, "domain string constants table");
440 domain->num_jit_info_tables = 1;
441 domain->jit_info_table = mono_jit_info_table_new (domain);
442 domain->jit_info_free_queue = NULL;
443 domain->finalizable_objects_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
444 domain->ftnptrs_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
446 mono_mutex_init_recursive (&domain->lock);
447 mono_mutex_init_recursive (&domain->assemblies_lock);
448 mono_mutex_init_recursive (&domain->jit_code_hash_lock);
449 mono_mutex_init_recursive (&domain->finalizable_objects_hash_lock);
451 domain->method_rgctx_hash = NULL;
453 mono_appdomains_lock ();
454 domain_id_alloc (domain);
455 mono_appdomains_unlock ();
457 #ifndef DISABLE_PERFCOUNTERS
458 mono_perfcounters->loader_appdomains++;
459 mono_perfcounters->loader_total_appdomains++;
462 mono_debug_domain_create (domain);
464 if (create_domain_hook)
465 create_domain_hook (domain);
467 mono_profiler_appdomain_loaded (domain, MONO_PROFILE_OK);
473 * mono_init_internal:
475 * Creates the initial application domain and initializes the mono_defaults
477 * This function is guaranteed to not run any IL code.
478 * If exe_filename is not NULL, the method will determine the required runtime
479 * from the exe configuration file or the version PE field.
480 * If runtime_version is not NULL, that runtime version will be used.
481 * Either exe_filename or runtime_version must be provided.
483 * Returns: the initial domain.
486 mono_init_internal (const char *filename, const char *exe_filename, const char *runtime_version)
488 static MonoDomain *domain = NULL;
489 MonoAssembly *ass = NULL;
490 MonoImageOpenStatus status = MONO_IMAGE_OK;
491 const MonoRuntimeInfo* runtimes [G_N_ELEMENTS (supported_runtimes) + 1];
494 #ifdef DEBUG_DOMAIN_UNLOAD
495 debug_domain_unload = TRUE;
499 g_assert_not_reached ();
502 /* Avoid system error message boxes. */
503 SetErrorMode (SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
510 #ifndef DISABLE_PERFCOUNTERS
511 mono_perfcounters_init ();
513 mono_counters_init ();
515 mono_counters_register ("Max native code in a domain", MONO_COUNTER_INT|MONO_COUNTER_JIT, &max_domain_code_size);
516 mono_counters_register ("Max code space allocated in a domain", MONO_COUNTER_INT|MONO_COUNTER_JIT, &max_domain_code_alloc);
517 mono_counters_register ("Total code space allocated", MONO_COUNTER_INT|MONO_COUNTER_JIT, &total_domain_code_alloc);
519 mono_gc_base_init ();
520 mono_thread_info_attach (&dummy);
522 MONO_FAST_TLS_INIT (tls_appdomain);
523 mono_native_tls_alloc (&appdomain_thread_id, NULL);
525 mono_mutex_init_recursive (&appdomains_mutex);
527 mono_metadata_init ();
529 mono_assemblies_init ();
530 mono_classes_init ();
532 mono_reflection_init ();
533 mono_runtime_init_tls ();
535 /* FIXME: When should we release this memory? */
536 MONO_GC_REGISTER_ROOT_FIXED (appdomains_list, MONO_ROOT_SOURCE_DOMAIN, "domains list");
538 domain = mono_domain_create ();
539 mono_root_domain = domain;
541 SET_APPDOMAIN (domain);
543 /* Get a list of runtimes supported by the exe */
544 if (exe_filename != NULL) {
546 * This function will load the exe file as a MonoImage. We need to close it, but
547 * that would mean it would be reloaded later. So instead, we save it to
548 * exe_image, and close it during shutdown.
550 get_runtimes_from_exe (exe_filename, &exe_image, runtimes);
553 exe_image = mono_assembly_open_from_bundle (exe_filename, NULL, FALSE);
555 exe_image = mono_image_open (exe_filename, NULL);
557 mono_fixup_exe_image (exe_image);
559 } else if (runtime_version != NULL) {
560 runtimes [0] = get_runtime_by_version (runtime_version);
564 if (runtimes [0] == NULL) {
565 const MonoRuntimeInfo *default_runtime = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
566 runtimes [0] = default_runtime;
568 g_print ("WARNING: The runtime version supported by this application is unavailable.\n");
569 g_print ("Using default runtime: %s\n", default_runtime->runtime_version);
572 /* The selected runtime will be the first one for which there is a mscrolib.dll */
573 for (n = 0; runtimes [n] != NULL && ass == NULL; n++) {
574 current_runtime = runtimes [n];
575 ass = mono_assembly_load_corlib (current_runtime, &status);
576 if (status != MONO_IMAGE_OK && status != MONO_IMAGE_ERROR_ERRNO)
581 if ((status != MONO_IMAGE_OK) || (ass == NULL)) {
583 case MONO_IMAGE_ERROR_ERRNO: {
584 char *corlib_file = g_build_filename (mono_assembly_getrootdir (), "mono", current_runtime->framework_version, "mscorlib.dll", NULL);
585 g_print ("The assembly mscorlib.dll was not found or could not be loaded.\n");
586 g_print ("It should have been installed in the `%s' directory.\n", corlib_file);
587 g_free (corlib_file);
590 case MONO_IMAGE_IMAGE_INVALID:
591 g_print ("The file %s/mscorlib.dll is an invalid CIL image\n",
592 mono_assembly_getrootdir ());
594 case MONO_IMAGE_MISSING_ASSEMBLYREF:
595 g_print ("Missing assembly reference in %s/mscorlib.dll\n",
596 mono_assembly_getrootdir ());
599 /* to suppress compiler warning */
605 mono_defaults.corlib = mono_assembly_get_image (ass);
607 mono_defaults.object_class = mono_class_from_name (
608 mono_defaults.corlib, "System", "Object");
609 g_assert (mono_defaults.object_class != 0);
611 mono_defaults.void_class = mono_class_from_name (
612 mono_defaults.corlib, "System", "Void");
613 g_assert (mono_defaults.void_class != 0);
615 mono_defaults.boolean_class = mono_class_from_name (
616 mono_defaults.corlib, "System", "Boolean");
617 g_assert (mono_defaults.boolean_class != 0);
619 mono_defaults.byte_class = mono_class_from_name (
620 mono_defaults.corlib, "System", "Byte");
621 g_assert (mono_defaults.byte_class != 0);
623 mono_defaults.sbyte_class = mono_class_from_name (
624 mono_defaults.corlib, "System", "SByte");
625 g_assert (mono_defaults.sbyte_class != 0);
627 mono_defaults.int16_class = mono_class_from_name (
628 mono_defaults.corlib, "System", "Int16");
629 g_assert (mono_defaults.int16_class != 0);
631 mono_defaults.uint16_class = mono_class_from_name (
632 mono_defaults.corlib, "System", "UInt16");
633 g_assert (mono_defaults.uint16_class != 0);
635 mono_defaults.int32_class = mono_class_from_name (
636 mono_defaults.corlib, "System", "Int32");
637 g_assert (mono_defaults.int32_class != 0);
639 mono_defaults.uint32_class = mono_class_from_name (
640 mono_defaults.corlib, "System", "UInt32");
641 g_assert (mono_defaults.uint32_class != 0);
643 mono_defaults.uint_class = mono_class_from_name (
644 mono_defaults.corlib, "System", "UIntPtr");
645 g_assert (mono_defaults.uint_class != 0);
647 mono_defaults.int_class = mono_class_from_name (
648 mono_defaults.corlib, "System", "IntPtr");
649 g_assert (mono_defaults.int_class != 0);
651 mono_defaults.int64_class = mono_class_from_name (
652 mono_defaults.corlib, "System", "Int64");
653 g_assert (mono_defaults.int64_class != 0);
655 mono_defaults.uint64_class = mono_class_from_name (
656 mono_defaults.corlib, "System", "UInt64");
657 g_assert (mono_defaults.uint64_class != 0);
659 mono_defaults.single_class = mono_class_from_name (
660 mono_defaults.corlib, "System", "Single");
661 g_assert (mono_defaults.single_class != 0);
663 mono_defaults.double_class = mono_class_from_name (
664 mono_defaults.corlib, "System", "Double");
665 g_assert (mono_defaults.double_class != 0);
667 mono_defaults.char_class = mono_class_from_name (
668 mono_defaults.corlib, "System", "Char");
669 g_assert (mono_defaults.char_class != 0);
671 mono_defaults.string_class = mono_class_from_name (
672 mono_defaults.corlib, "System", "String");
673 g_assert (mono_defaults.string_class != 0);
675 mono_defaults.enum_class = mono_class_from_name (
676 mono_defaults.corlib, "System", "Enum");
677 g_assert (mono_defaults.enum_class != 0);
679 mono_defaults.array_class = mono_class_from_name (
680 mono_defaults.corlib, "System", "Array");
681 g_assert (mono_defaults.array_class != 0);
683 mono_defaults.delegate_class = mono_class_from_name (
684 mono_defaults.corlib, "System", "Delegate");
685 g_assert (mono_defaults.delegate_class != 0 );
687 mono_defaults.multicastdelegate_class = mono_class_from_name (
688 mono_defaults.corlib, "System", "MulticastDelegate");
689 g_assert (mono_defaults.multicastdelegate_class != 0 );
691 mono_defaults.asyncresult_class = mono_class_from_name (
692 mono_defaults.corlib, "System.Runtime.Remoting.Messaging",
694 g_assert (mono_defaults.asyncresult_class != 0 );
696 mono_defaults.manualresetevent_class = mono_class_from_name (
697 mono_defaults.corlib, "System.Threading", "ManualResetEvent");
698 g_assert (mono_defaults.manualresetevent_class != 0 );
700 mono_defaults.typehandle_class = mono_class_from_name (
701 mono_defaults.corlib, "System", "RuntimeTypeHandle");
702 g_assert (mono_defaults.typehandle_class != 0);
704 mono_defaults.methodhandle_class = mono_class_from_name (
705 mono_defaults.corlib, "System", "RuntimeMethodHandle");
706 g_assert (mono_defaults.methodhandle_class != 0);
708 mono_defaults.fieldhandle_class = mono_class_from_name (
709 mono_defaults.corlib, "System", "RuntimeFieldHandle");
710 g_assert (mono_defaults.fieldhandle_class != 0);
712 mono_defaults.systemtype_class = mono_class_from_name (
713 mono_defaults.corlib, "System", "Type");
714 g_assert (mono_defaults.systemtype_class != 0);
716 mono_defaults.monotype_class = mono_class_from_name (
717 mono_defaults.corlib, "System", "MonoType");
718 g_assert (mono_defaults.monotype_class != 0);
720 mono_defaults.runtimetype_class = mono_class_from_name (
721 mono_defaults.corlib, "System", "RuntimeType");
722 g_assert (mono_defaults.runtimetype_class != 0);
724 mono_defaults.exception_class = mono_class_from_name (
725 mono_defaults.corlib, "System", "Exception");
726 g_assert (mono_defaults.exception_class != 0);
728 mono_defaults.threadabortexception_class = mono_class_from_name (
729 mono_defaults.corlib, "System.Threading", "ThreadAbortException");
730 g_assert (mono_defaults.threadabortexception_class != 0);
732 mono_defaults.thread_class = mono_class_from_name (
733 mono_defaults.corlib, "System.Threading", "Thread");
734 g_assert (mono_defaults.thread_class != 0);
736 mono_defaults.internal_thread_class = mono_class_from_name (
737 mono_defaults.corlib, "System.Threading", "InternalThread");
738 if (!mono_defaults.internal_thread_class) {
739 /* This can happen with an old mscorlib */
740 fprintf (stderr, "Corlib too old for this runtime.\n");
741 fprintf (stderr, "Loaded from: %s\n",
742 mono_defaults.corlib? mono_image_get_filename (mono_defaults.corlib): "unknown");
746 mono_defaults.appdomain_class = mono_class_from_name (
747 mono_defaults.corlib, "System", "AppDomain");
748 g_assert (mono_defaults.appdomain_class != 0);
750 #ifndef DISABLE_REMOTING
751 mono_defaults.transparent_proxy_class = mono_class_from_name (
752 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "TransparentProxy");
753 g_assert (mono_defaults.transparent_proxy_class != 0);
755 mono_defaults.real_proxy_class = mono_class_from_name (
756 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "RealProxy");
757 g_assert (mono_defaults.real_proxy_class != 0);
759 mono_defaults.marshalbyrefobject_class = mono_class_from_name (
760 mono_defaults.corlib, "System", "MarshalByRefObject");
761 g_assert (mono_defaults.marshalbyrefobject_class != 0);
763 mono_defaults.iremotingtypeinfo_class = mono_class_from_name (
764 mono_defaults.corlib, "System.Runtime.Remoting", "IRemotingTypeInfo");
765 g_assert (mono_defaults.iremotingtypeinfo_class != 0);
768 mono_defaults.mono_method_message_class = mono_class_from_name (
769 mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "MonoMethodMessage");
770 g_assert (mono_defaults.mono_method_message_class != 0);
772 mono_defaults.field_info_class = mono_class_from_name (
773 mono_defaults.corlib, "System.Reflection", "FieldInfo");
774 g_assert (mono_defaults.field_info_class != 0);
776 mono_defaults.method_info_class = mono_class_from_name (
777 mono_defaults.corlib, "System.Reflection", "MethodInfo");
778 g_assert (mono_defaults.method_info_class != 0);
780 mono_defaults.stringbuilder_class = mono_class_from_name (
781 mono_defaults.corlib, "System.Text", "StringBuilder");
782 g_assert (mono_defaults.stringbuilder_class != 0);
784 mono_defaults.math_class = mono_class_from_name (
785 mono_defaults.corlib, "System", "Math");
786 g_assert (mono_defaults.math_class != 0);
788 mono_defaults.stack_frame_class = mono_class_from_name (
789 mono_defaults.corlib, "System.Diagnostics", "StackFrame");
790 g_assert (mono_defaults.stack_frame_class != 0);
792 mono_defaults.stack_trace_class = mono_class_from_name (
793 mono_defaults.corlib, "System.Diagnostics", "StackTrace");
794 g_assert (mono_defaults.stack_trace_class != 0);
796 mono_defaults.marshal_class = mono_class_from_name (
797 mono_defaults.corlib, "System.Runtime.InteropServices", "Marshal");
798 g_assert (mono_defaults.marshal_class != 0);
800 mono_defaults.typed_reference_class = mono_class_from_name (
801 mono_defaults.corlib, "System", "TypedReference");
802 g_assert (mono_defaults.typed_reference_class != 0);
804 mono_defaults.argumenthandle_class = mono_class_from_name (
805 mono_defaults.corlib, "System", "RuntimeArgumentHandle");
806 g_assert (mono_defaults.argumenthandle_class != 0);
808 mono_defaults.monitor_class = mono_class_from_name (
809 mono_defaults.corlib, "System.Threading", "Monitor");
810 g_assert (mono_defaults.monitor_class != 0);
812 mono_defaults.runtimesecurityframe_class = mono_class_from_name (
813 mono_defaults.corlib, "System.Security", "RuntimeSecurityFrame");
815 mono_defaults.executioncontext_class = mono_class_from_name (
816 mono_defaults.corlib, "System.Threading", "ExecutionContext");
818 mono_defaults.internals_visible_class = mono_class_from_name (
819 mono_defaults.corlib, "System.Runtime.CompilerServices", "InternalsVisibleToAttribute");
821 mono_defaults.critical_finalizer_object = mono_class_from_name (
822 mono_defaults.corlib, "System.Runtime.ConstrainedExecution", "CriticalFinalizerObject");
825 * mscorlib needs a little help, only now it can load its friends list (after we have
826 * loaded the InternalsVisibleToAttribute), load it now
828 mono_assembly_load_friends (ass);
830 mono_defaults.safehandle_class = mono_class_from_name (
831 mono_defaults.corlib, "System.Runtime.InteropServices", "SafeHandle");
833 mono_defaults.handleref_class = mono_class_from_name (
834 mono_defaults.corlib, "System.Runtime.InteropServices", "HandleRef");
836 mono_defaults.attribute_class = mono_class_from_name (
837 mono_defaults.corlib, "System", "Attribute");
839 mono_defaults.customattribute_data_class = mono_class_from_name (
840 mono_defaults.corlib, "System.Reflection", "CustomAttributeData");
842 mono_class_init (mono_defaults.array_class);
843 mono_defaults.generic_nullable_class = mono_class_from_name (
844 mono_defaults.corlib, "System", "Nullable`1");
845 mono_defaults.generic_ilist_class = mono_class_from_name (
846 mono_defaults.corlib, "System.Collections.Generic", "IList`1");
847 mono_defaults.generic_ireadonlylist_class = mono_class_from_name (
848 mono_defaults.corlib, "System.Collections.Generic", "IReadOnlyList`1");
850 mono_defaults.threadpool_wait_callback_class = mono_class_from_name (
851 mono_defaults.corlib, "System.Threading", "_ThreadPoolWaitCallback");
852 if (!mono_defaults.threadpool_wait_callback_class) {
853 /* This can happen with an old mscorlib */
854 fprintf (stderr, "Corlib too old for this runtime.\n");
855 fprintf (stderr, "Loaded from: %s\n",
856 mono_defaults.corlib? mono_image_get_filename (mono_defaults.corlib): "unknown");
859 mono_defaults.threadpool_perform_wait_callback_method = mono_class_get_method_from_name (
860 mono_defaults.threadpool_wait_callback_class, "PerformWaitCallback", 0);
862 domain->friendly_name = g_path_get_basename (filename);
864 mono_profiler_appdomain_name (domain, domain->friendly_name);
872 * Creates the initial application domain and initializes the mono_defaults
874 * This function is guaranteed to not run any IL code.
875 * The runtime is initialized using the default runtime version.
877 * Returns: the initial domain.
880 mono_init (const char *domain_name)
882 return mono_init_internal (domain_name, NULL, DEFAULT_RUNTIME_VERSION);
886 * mono_init_from_assembly:
887 * @domain_name: name to give to the initial domain
888 * @filename: filename to load on startup
890 * Used by the runtime, users should use mono_jit_init instead.
892 * Creates the initial application domain and initializes the mono_defaults
894 * This function is guaranteed to not run any IL code.
895 * The runtime is initialized using the runtime version required by the
896 * provided executable. The version is determined by looking at the exe
897 * configuration file and the version PE field)
899 * Returns: the initial domain.
902 mono_init_from_assembly (const char *domain_name, const char *filename)
904 return mono_init_internal (domain_name, filename, NULL);
910 * Used by the runtime, users should use mono_jit_init instead.
912 * Creates the initial application domain and initializes the mono_defaults
915 * This function is guaranteed to not run any IL code.
916 * The runtime is initialized using the provided rutime version.
918 * Returns: the initial domain.
921 mono_init_version (const char *domain_name, const char *version)
923 return mono_init_internal (domain_name, NULL, version);
929 * Cleans up all metadata modules.
934 mono_close_exe_image ();
936 mono_defaults.corlib = NULL;
938 mono_config_cleanup ();
939 mono_loader_cleanup ();
940 mono_classes_cleanup ();
941 mono_assemblies_cleanup ();
942 mono_images_cleanup ();
943 mono_debug_cleanup ();
944 mono_metadata_cleanup ();
946 mono_native_tls_free (appdomain_thread_id);
947 mono_mutex_destroy (&appdomains_mutex);
955 mono_close_exe_image (void)
958 mono_image_close (exe_image);
962 * mono_get_root_domain:
964 * The root AppDomain is the initial domain created by the runtime when it is
965 * initialized. Programs execute on this AppDomain, but can create new ones
966 * later. Currently there is no unmanaged API to create new AppDomains, this
967 * must be done from managed code.
969 * Returns: the root appdomain, to obtain the current domain, use mono_domain_get ()
972 mono_get_root_domain (void)
974 return mono_root_domain;
980 * Returns: the current domain, to obtain the root domain use
981 * mono_get_root_domain().
986 return GET_APPDOMAIN ();
990 mono_domain_unset (void)
992 SET_APPDOMAIN (NULL);
996 mono_domain_set_internal_with_options (MonoDomain *domain, gboolean migrate_exception)
998 MonoInternalThread *thread;
1000 if (mono_domain_get () == domain)
1003 SET_APPDOMAIN (domain);
1004 SET_APPCONTEXT (domain->default_context);
1006 if (migrate_exception) {
1007 thread = mono_thread_internal_current ();
1008 if (!thread->abort_exc)
1011 g_assert (thread->abort_exc->object.vtable->domain != domain);
1012 MONO_OBJECT_SETREF (thread, abort_exc, mono_get_exception_thread_abort ());
1013 g_assert (thread->abort_exc->object.vtable->domain == domain);
1018 * mono_domain_set_internal:
1019 * @domain: the new domain
1021 * Sets the current domain to @domain.
1024 mono_domain_set_internal (MonoDomain *domain)
1026 mono_domain_set_internal_with_options (domain, TRUE);
1030 mono_domain_foreach (MonoDomainFunc func, gpointer user_data)
1036 * Create a copy of the data to avoid calling the user callback
1037 * inside the lock because that could lead to deadlocks.
1038 * We can do this because this function is not perf. critical.
1040 mono_appdomains_lock ();
1041 size = appdomain_list_size;
1042 copy = mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), MONO_GC_DESCRIPTOR_NULL, MONO_ROOT_SOURCE_DOMAIN, "temporary domains list");
1043 memcpy (copy, appdomains_list, appdomain_list_size * sizeof (void*));
1044 mono_appdomains_unlock ();
1046 for (i = 0; i < size; ++i) {
1048 func (copy [i], user_data);
1051 mono_gc_free_fixed (copy);
1055 * mono_domain_assembly_open:
1056 * @domain: the application domain
1057 * @name: file name of the assembly
1059 * fixme: maybe we should integrate this with mono_assembly_open ??
1062 mono_domain_assembly_open (MonoDomain *domain, const char *name)
1064 MonoDomain *current;
1068 mono_domain_assemblies_lock (domain);
1069 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1071 if (strcmp (name, ass->aname.name) == 0) {
1072 mono_domain_assemblies_unlock (domain);
1076 mono_domain_assemblies_unlock (domain);
1078 if (domain != mono_domain_get ()) {
1079 current = mono_domain_get ();
1081 mono_domain_set (domain, FALSE);
1082 ass = mono_assembly_open (name, NULL);
1083 mono_domain_set (current, FALSE);
1085 ass = mono_assembly_open (name, NULL);
1092 unregister_vtable_reflection_type (MonoVTable *vtable)
1094 MonoObject *type = vtable->type;
1096 if (type->vtable->klass != mono_defaults.monotype_class)
1097 MONO_GC_UNREGISTER_ROOT_IF_MOVING (vtable->type);
1101 mono_domain_free (MonoDomain *domain, gboolean force)
1103 int code_size, code_alloc;
1107 if ((domain == mono_root_domain) && !force) {
1108 g_warning ("cant unload root domain");
1112 if (mono_dont_free_domains)
1115 mono_profiler_appdomain_event (domain, MONO_PROFILE_START_UNLOAD);
1117 mono_debug_domain_unload (domain);
1119 mono_appdomains_lock ();
1120 appdomains_list [domain->domain_id] = NULL;
1121 mono_appdomains_unlock ();
1123 /* must do this early as it accesses fields and types */
1124 if (domain->special_static_fields) {
1125 mono_alloc_special_static_data_free (domain->special_static_fields);
1126 g_hash_table_destroy (domain->special_static_fields);
1127 domain->special_static_fields = NULL;
1131 * We must destroy all these hash tables here because they
1132 * contain references to managed objects belonging to the
1133 * domain. Once we let the GC clear the domain there must be
1134 * no more such references, or we'll crash if a collection
1137 mono_g_hash_table_destroy (domain->ldstr_table);
1138 domain->ldstr_table = NULL;
1140 mono_g_hash_table_destroy (domain->env);
1143 mono_reflection_cleanup_domain (domain);
1145 /* This must be done before type_hash is freed */
1146 if (domain->class_vtable_array) {
1148 for (i = 0; i < domain->class_vtable_array->len; ++i)
1149 unregister_vtable_reflection_type (g_ptr_array_index (domain->class_vtable_array, i));
1152 if (domain->type_hash) {
1153 mono_g_hash_table_destroy (domain->type_hash);
1154 domain->type_hash = NULL;
1156 if (domain->type_init_exception_hash) {
1157 mono_g_hash_table_destroy (domain->type_init_exception_hash);
1158 domain->type_init_exception_hash = NULL;
1161 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1162 MonoAssembly *ass = tmp->data;
1163 mono_assembly_release_gc_roots (ass);
1166 /* Have to zero out reference fields since they will be invalidated by the clear_domain () call below */
1167 for (p = (gpointer*)&domain->MONO_DOMAIN_FIRST_OBJECT; p < (gpointer*)&domain->MONO_DOMAIN_FIRST_GC_TRACKED; ++p)
1170 /* This needs to be done before closing assemblies */
1171 mono_gc_clear_domain (domain);
1173 /* Close dynamic assemblies first, since they have no ref count */
1174 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1175 MonoAssembly *ass = tmp->data;
1176 if (!ass->image || !image_is_dynamic (ass->image))
1178 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);
1179 if (!mono_assembly_close_except_image_pools (ass))
1183 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1184 MonoAssembly *ass = tmp->data;
1187 if (!ass->image || image_is_dynamic (ass->image))
1189 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);
1190 if (!mono_assembly_close_except_image_pools (ass))
1194 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1195 MonoAssembly *ass = tmp->data;
1197 mono_assembly_close_finish (ass);
1199 g_slist_free (domain->domain_assemblies);
1200 domain->domain_assemblies = NULL;
1203 * Send this after the assemblies have been unloaded and the domain is still in a
1206 mono_profiler_appdomain_event (domain, MONO_PROFILE_END_UNLOAD);
1208 if (free_domain_hook)
1209 free_domain_hook (domain);
1211 /* FIXME: free delegate_hash_table when it's used */
1212 if (domain->search_path) {
1213 g_strfreev (domain->search_path);
1214 domain->search_path = NULL;
1216 domain->create_proxy_for_type_method = NULL;
1217 domain->private_invoke_method = NULL;
1218 domain->default_context = NULL;
1219 domain->out_of_memory_ex = NULL;
1220 domain->null_reference_ex = NULL;
1221 domain->stack_overflow_ex = NULL;
1222 domain->ephemeron_tombstone = NULL;
1223 domain->entry_assembly = NULL;
1225 g_free (domain->friendly_name);
1226 domain->friendly_name = NULL;
1227 g_ptr_array_free (domain->class_vtable_array, TRUE);
1228 domain->class_vtable_array = NULL;
1229 g_hash_table_destroy (domain->proxy_vtable_hash);
1230 domain->proxy_vtable_hash = NULL;
1231 if (domain->static_data_array) {
1232 mono_gc_free_fixed (domain->static_data_array);
1233 domain->static_data_array = NULL;
1235 mono_internal_hash_table_destroy (&domain->jit_code_hash);
1238 * There might still be jit info tables of this domain which
1239 * are not freed. Since the domain cannot be in use anymore,
1240 * this will free them.
1242 mono_thread_hazardous_try_free_all ();
1243 if (domain->aot_modules)
1244 mono_jit_info_table_free (domain->aot_modules);
1245 g_assert (domain->num_jit_info_tables == 1);
1246 mono_jit_info_table_free (domain->jit_info_table);
1247 domain->jit_info_table = NULL;
1248 g_assert (!domain->jit_info_free_queue);
1250 /* collect statistics */
1251 code_alloc = mono_code_manager_size (domain->code_mp, &code_size);
1252 total_domain_code_alloc += code_alloc;
1253 max_domain_code_alloc = MAX (max_domain_code_alloc, code_alloc);
1254 max_domain_code_size = MAX (max_domain_code_size, code_size);
1256 if (debug_domain_unload) {
1257 mono_mempool_invalidate (domain->mp);
1258 mono_code_manager_invalidate (domain->code_mp);
1260 #ifndef DISABLE_PERFCOUNTERS
1261 mono_perfcounters->loader_bytes -= mono_mempool_get_allocated (domain->mp);
1263 mono_mempool_destroy (domain->mp);
1265 mono_code_manager_destroy (domain->code_mp);
1266 domain->code_mp = NULL;
1268 lock_free_mempool_free (domain->lock_free_mp);
1269 domain->lock_free_mp = NULL;
1271 g_hash_table_destroy (domain->finalizable_objects_hash);
1272 domain->finalizable_objects_hash = NULL;
1273 if (domain->method_rgctx_hash) {
1274 g_hash_table_destroy (domain->method_rgctx_hash);
1275 domain->method_rgctx_hash = NULL;
1277 if (domain->generic_virtual_cases) {
1278 g_hash_table_destroy (domain->generic_virtual_cases);
1279 domain->generic_virtual_cases = NULL;
1281 if (domain->generic_virtual_thunks) {
1282 g_hash_table_destroy (domain->generic_virtual_thunks);
1283 domain->generic_virtual_thunks = NULL;
1285 if (domain->ftnptrs_hash) {
1286 g_hash_table_destroy (domain->ftnptrs_hash);
1287 domain->ftnptrs_hash = NULL;
1289 if (domain->method_to_dyn_method) {
1290 g_hash_table_destroy (domain->method_to_dyn_method);
1291 domain->method_to_dyn_method = NULL;
1294 mono_mutex_destroy (&domain->finalizable_objects_hash_lock);
1295 mono_mutex_destroy (&domain->assemblies_lock);
1296 mono_mutex_destroy (&domain->jit_code_hash_lock);
1297 mono_mutex_destroy (&domain->lock);
1298 domain->setup = NULL;
1300 mono_gc_deregister_root ((char*)&(domain->MONO_DOMAIN_FIRST_GC_TRACKED));
1302 /* FIXME: anything else required ? */
1304 mono_gc_free_fixed (domain);
1306 #ifndef DISABLE_PERFCOUNTERS
1307 mono_perfcounters->loader_appdomains--;
1310 if (domain == mono_root_domain)
1311 mono_root_domain = NULL;
1315 * mono_domain_get_by_id:
1318 * Returns: the domain for a specific domain id.
1321 mono_domain_get_by_id (gint32 domainid)
1323 MonoDomain * domain;
1325 mono_appdomains_lock ();
1326 if (domainid < appdomain_list_size)
1327 domain = appdomains_list [domainid];
1330 mono_appdomains_unlock ();
1336 * mono_domain_get_id:
1338 * A domain ID is guaranteed to be unique for as long as the domain
1339 * using it is alive. It may be reused later once the domain has been
1342 * Returns: The unique ID for @domain.
1345 mono_domain_get_id (MonoDomain *domain)
1347 return domain->domain_id;
1351 * mono_domain_get_friendly_name:
1353 * The returned string's lifetime is the same as @domain's. Consider
1354 * copying it if you need to store it somewhere.
1356 * Returns: The friendly name of @domain. Can be NULL if not yet set.
1359 mono_domain_get_friendly_name (MonoDomain *domain)
1361 return domain->friendly_name;
1365 * mono_domain_alloc:
1367 * LOCKING: Acquires the domain lock.
1370 mono_domain_alloc (MonoDomain *domain, guint size)
1374 mono_domain_lock (domain);
1375 #ifndef DISABLE_PERFCOUNTERS
1376 mono_perfcounters->loader_bytes += size;
1378 res = mono_mempool_alloc (domain->mp, size);
1379 mono_domain_unlock (domain);
1385 * mono_domain_alloc0:
1387 * LOCKING: Acquires the domain lock.
1390 mono_domain_alloc0 (MonoDomain *domain, guint size)
1394 mono_domain_lock (domain);
1395 #ifndef DISABLE_PERFCOUNTERS
1396 mono_perfcounters->loader_bytes += size;
1398 res = mono_mempool_alloc0 (domain->mp, size);
1399 mono_domain_unlock (domain);
1405 mono_domain_alloc0_lock_free (MonoDomain *domain, guint size)
1407 return lock_free_mempool_alloc0 (domain->lock_free_mp, size);
1411 * mono_domain_code_reserve:
1413 * LOCKING: Acquires the domain lock.
1416 mono_domain_code_reserve (MonoDomain *domain, int size)
1420 mono_domain_lock (domain);
1421 res = mono_code_manager_reserve (domain->code_mp, size);
1422 mono_domain_unlock (domain);
1428 * mono_domain_code_reserve_align:
1430 * LOCKING: Acquires the domain lock.
1433 mono_domain_code_reserve_align (MonoDomain *domain, int size, int alignment)
1437 mono_domain_lock (domain);
1438 res = mono_code_manager_reserve_align (domain->code_mp, size, alignment);
1439 mono_domain_unlock (domain);
1445 * mono_domain_code_commit:
1447 * LOCKING: Acquires the domain lock.
1450 mono_domain_code_commit (MonoDomain *domain, void *data, int size, int newsize)
1452 mono_domain_lock (domain);
1453 mono_code_manager_commit (domain->code_mp, data, size, newsize);
1454 mono_domain_unlock (domain);
1457 #if defined(__native_client_codegen__) && defined(__native_client__)
1459 * Given the temporary buffer (allocated by mono_domain_code_reserve) into which
1460 * we are generating code, return a pointer to the destination in the dynamic
1461 * code segment into which the code will be copied when mono_domain_code_commit
1463 * LOCKING: Acquires the domain lock.
1466 nacl_domain_get_code_dest (MonoDomain *domain, void *data)
1469 mono_domain_lock (domain);
1470 dest = nacl_code_manager_get_code_dest (domain->code_mp, data);
1471 mono_domain_unlock (domain);
1476 * Convenience function which calls mono_domain_code_commit to validate and copy
1477 * the code. The caller sets *buf_base and *buf_size to the start and size of
1478 * the buffer (allocated by mono_domain_code_reserve), and *code_end to the byte
1479 * after the last instruction byte. On return, *buf_base will point to the start
1480 * of the copied in the code segment, and *code_end will point after the end of
1484 nacl_domain_code_validate (MonoDomain *domain, guint8 **buf_base, int buf_size, guint8 **code_end)
1486 guint8 *tmp = nacl_domain_get_code_dest (domain, *buf_base);
1487 mono_domain_code_commit (domain, *buf_base, buf_size, *code_end - *buf_base);
1488 *code_end = tmp + (*code_end - *buf_base);
1494 /* no-op versions of Native Client functions */
1497 nacl_domain_get_code_dest (MonoDomain *domain, void *data)
1503 nacl_domain_code_validate (MonoDomain *domain, guint8 **buf_base, int buf_size, guint8 **code_end)
1510 * mono_domain_code_foreach:
1511 * Iterate over the code thunks of the code manager of @domain.
1513 * The @func callback MUST not take any locks. If it really needs to, it must respect
1514 * the locking rules of the runtime: http://www.mono-project.com/Mono:Runtime:Documentation:ThreadSafety
1515 * LOCKING: Acquires the domain lock.
1519 mono_domain_code_foreach (MonoDomain *domain, MonoCodeManagerFunc func, void *user_data)
1521 mono_domain_lock (domain);
1522 mono_code_manager_foreach (domain->code_mp, func, user_data);
1523 mono_domain_unlock (domain);
1528 mono_context_set (MonoAppContext * new_context)
1530 SET_APPCONTEXT (new_context);
1534 mono_context_get (void)
1536 return GET_APPCONTEXT ();
1540 * mono_context_get_id:
1542 * Context IDs are guaranteed to be unique for the duration of a Mono
1543 * process; they are never reused.
1545 * Returns: The unique ID for @context.
1548 mono_context_get_id (MonoAppContext *context)
1550 return context->context_id;
1554 * mono_context_get_domain_id:
1556 * Returns: The ID of the domain that @context was created in.
1559 mono_context_get_domain_id (MonoAppContext *context)
1561 return context->domain_id;
1564 /* LOCKING: the caller holds the lock for this domain */
1566 mono_domain_add_class_static_data (MonoDomain *domain, MonoClass *klass, gpointer data, guint32 *bitmap)
1568 /* The first entry in the array is the index of the next free slot
1569 * and the total size of the array
1572 if (domain->static_data_array) {
1573 int size = GPOINTER_TO_INT (domain->static_data_array [1]);
1574 next = GPOINTER_TO_INT (domain->static_data_array [0]);
1576 /* 'data' is allocated by alloc_fixed */
1577 gpointer *new_array = mono_gc_alloc_fixed (sizeof (gpointer) * (size * 2), MONO_GC_ROOT_DESCR_FOR_FIXED (size * 2), MONO_ROOT_SOURCE_DOMAIN, "static field list");
1578 mono_gc_memmove_aligned (new_array, domain->static_data_array, sizeof (gpointer) * size);
1580 new_array [1] = GINT_TO_POINTER (size);
1581 mono_gc_free_fixed (domain->static_data_array);
1582 domain->static_data_array = new_array;
1586 gpointer *new_array = mono_gc_alloc_fixed (sizeof (gpointer) * size, MONO_GC_ROOT_DESCR_FOR_FIXED (size), MONO_ROOT_SOURCE_DOMAIN, "static field list");
1588 new_array [0] = GINT_TO_POINTER (next);
1589 new_array [1] = GINT_TO_POINTER (size);
1590 domain->static_data_array = new_array;
1592 domain->static_data_array [next++] = data;
1593 domain->static_data_array [0] = GINT_TO_POINTER (next);
1597 mono_get_corlib (void)
1599 return mono_defaults.corlib;
1603 mono_get_object_class (void)
1605 return mono_defaults.object_class;
1609 mono_get_byte_class (void)
1611 return mono_defaults.byte_class;
1615 mono_get_void_class (void)
1617 return mono_defaults.void_class;
1621 mono_get_boolean_class (void)
1623 return mono_defaults.boolean_class;
1627 mono_get_sbyte_class (void)
1629 return mono_defaults.sbyte_class;
1633 mono_get_int16_class (void)
1635 return mono_defaults.int16_class;
1639 mono_get_uint16_class (void)
1641 return mono_defaults.uint16_class;
1645 mono_get_int32_class (void)
1647 return mono_defaults.int32_class;
1651 mono_get_uint32_class (void)
1653 return mono_defaults.uint32_class;
1657 mono_get_intptr_class (void)
1659 return mono_defaults.int_class;
1663 mono_get_uintptr_class (void)
1665 return mono_defaults.uint_class;
1669 mono_get_int64_class (void)
1671 return mono_defaults.int64_class;
1675 mono_get_uint64_class (void)
1677 return mono_defaults.uint64_class;
1681 mono_get_single_class (void)
1683 return mono_defaults.single_class;
1687 mono_get_double_class (void)
1689 return mono_defaults.double_class;
1693 mono_get_char_class (void)
1695 return mono_defaults.char_class;
1699 mono_get_string_class (void)
1701 return mono_defaults.string_class;
1705 mono_get_enum_class (void)
1707 return mono_defaults.enum_class;
1711 mono_get_array_class (void)
1713 return mono_defaults.array_class;
1717 mono_get_thread_class (void)
1719 return mono_defaults.thread_class;
1723 mono_get_exception_class (void)
1725 return mono_defaults.exception_class;
1729 static char* get_attribute_value (const gchar **attribute_names,
1730 const gchar **attribute_values,
1731 const char *att_name)
1734 for (n=0; attribute_names[n] != NULL; n++) {
1735 if (strcmp (attribute_names[n], att_name) == 0)
1736 return g_strdup (attribute_values[n]);
1741 static void start_element (GMarkupParseContext *context,
1742 const gchar *element_name,
1743 const gchar **attribute_names,
1744 const gchar **attribute_values,
1748 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
1750 if (strcmp (element_name, "configuration") == 0) {
1751 app_config->configuration_count++;
1754 if (strcmp (element_name, "startup") == 0) {
1755 app_config->startup_count++;
1759 if (app_config->configuration_count != 1 || app_config->startup_count != 1)
1762 if (strcmp (element_name, "requiredRuntime") == 0) {
1763 app_config->required_runtime = get_attribute_value (attribute_names, attribute_values, "version");
1764 } else if (strcmp (element_name, "supportedRuntime") == 0) {
1765 char *version = get_attribute_value (attribute_names, attribute_values, "version");
1766 app_config->supported_runtimes = g_slist_append (app_config->supported_runtimes, version);
1770 static void end_element (GMarkupParseContext *context,
1771 const gchar *element_name,
1775 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
1777 if (strcmp (element_name, "configuration") == 0) {
1778 app_config->configuration_count--;
1779 } else if (strcmp (element_name, "startup") == 0) {
1780 app_config->startup_count--;
1784 static const GMarkupParser
1793 static AppConfigInfo *
1794 app_config_parse (const char *exe_filename)
1796 AppConfigInfo *app_config;
1797 GMarkupParseContext *context;
1800 const char *bundled_config;
1801 char *config_filename;
1803 bundled_config = mono_config_string_for_assembly_file (exe_filename);
1805 if (bundled_config) {
1806 text = g_strdup (bundled_config);
1807 len = strlen (text);
1809 config_filename = g_strconcat (exe_filename, ".config", NULL);
1811 if (!g_file_get_contents (config_filename, &text, &len, NULL)) {
1812 g_free (config_filename);
1815 g_free (config_filename);
1818 app_config = g_new0 (AppConfigInfo, 1);
1820 context = g_markup_parse_context_new (&mono_parser, 0, app_config, NULL);
1821 if (g_markup_parse_context_parse (context, text, len, NULL)) {
1822 g_markup_parse_context_end_parse (context, NULL);
1824 g_markup_parse_context_free (context);
1830 app_config_free (AppConfigInfo* app_config)
1833 GSList *list = app_config->supported_runtimes;
1834 while (list != NULL) {
1835 rt = (char*)list->data;
1837 list = g_slist_next (list);
1839 g_slist_free (app_config->supported_runtimes);
1840 g_free (app_config->required_runtime);
1841 g_free (app_config);
1845 static const MonoRuntimeInfo*
1846 get_runtime_by_version (const char *version)
1849 int max = G_N_ELEMENTS (supported_runtimes);
1855 for (n=0; n<max; n++) {
1856 if (strcmp (version, supported_runtimes[n].runtime_version) == 0)
1857 return &supported_runtimes[n];
1860 vlen = strlen (version);
1861 if (vlen >= 4 && version [1] - '0' >= 4) {
1862 for (n=0; n<max; n++) {
1863 if (strncmp (version, supported_runtimes[n].runtime_version, 4) == 0)
1864 return &supported_runtimes[n];
1872 get_runtimes_from_exe (const char *exe_file, MonoImage **exe_image, const MonoRuntimeInfo** runtimes)
1874 AppConfigInfo* app_config;
1876 const MonoRuntimeInfo* runtime = NULL;
1877 MonoImage *image = NULL;
1879 app_config = app_config_parse (exe_file);
1881 if (app_config != NULL) {
1882 /* Check supportedRuntime elements, if none is supported, fail.
1883 * If there are no such elements, look for a requiredRuntime element.
1885 if (app_config->supported_runtimes != NULL) {
1887 GSList *list = app_config->supported_runtimes;
1888 while (list != NULL) {
1889 version = (char*) list->data;
1890 runtime = get_runtime_by_version (version);
1891 if (runtime != NULL)
1892 runtimes [n++] = runtime;
1893 list = g_slist_next (list);
1895 runtimes [n] = NULL;
1896 app_config_free (app_config);
1900 /* Check the requiredRuntime element. This is for 1.0 apps only. */
1901 if (app_config->required_runtime != NULL) {
1902 runtimes [0] = get_runtime_by_version (app_config->required_runtime);
1903 runtimes [1] = NULL;
1904 app_config_free (app_config);
1907 app_config_free (app_config);
1910 /* Look for a runtime with the exact version */
1911 image = mono_assembly_open_from_bundle (exe_file, NULL, FALSE);
1914 image = mono_image_open (exe_file, NULL);
1916 if (image == NULL) {
1917 /* The image is wrong or the file was not found. In this case return
1918 * a default runtime and leave to the initialization method the work of
1919 * reporting the error.
1921 runtimes [0] = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
1922 runtimes [1] = NULL;
1928 runtimes [0] = get_runtime_by_version (image->version);
1929 runtimes [1] = NULL;
1934 * mono_get_runtime_info:
1936 * Returns: the version of the current runtime instance.
1938 const MonoRuntimeInfo*
1939 mono_get_runtime_info (void)
1941 return current_runtime;
1945 * mono_framework_version:
1947 * Return the major version of the framework curently executing.
1950 mono_framework_version (void)
1952 return current_runtime->framework_version [0] - '0';
1956 mono_enable_debug_domain_unload (gboolean enable)
1958 debug_domain_unload = enable;
1961 MonoAotCacheConfig *
1962 mono_get_aot_cache_config (void)
1964 return &aot_cache_config;
1968 mono_domain_lock (MonoDomain *domain)
1971 mono_locks_acquire (&(domain)->lock, DomainLock);
1972 MONO_FINISH_TRY_BLOCKING;
1976 mono_domain_unlock (MonoDomain *domain)
1978 mono_locks_release (&(domain)->lock, DomainLock);