2 * object.c: Object creation for the Mono runtime
5 * Miguel de Icaza (miguel@ximian.com)
6 * Paolo Molaro (lupus@ximian.com)
8 * Copyright 2001-2003 Ximian, Inc (http://www.ximian.com)
9 * Copyright 2004-2011 Novell, Inc (http://www.novell.com)
10 * Copyright 2001 Xamarin Inc (http://www.xamarin.com)
19 #include <mono/metadata/mono-endian.h>
20 #include <mono/metadata/tabledefs.h>
21 #include <mono/metadata/tokentype.h>
22 #include <mono/metadata/loader.h>
23 #include <mono/metadata/object.h>
24 #include <mono/metadata/gc-internal.h>
25 #include <mono/metadata/exception.h>
26 #include <mono/metadata/domain-internals.h>
27 #include "mono/metadata/metadata-internals.h"
28 #include "mono/metadata/class-internals.h"
29 #include <mono/metadata/assembly.h>
30 #include <mono/metadata/marshal.h>
31 #include "mono/metadata/debug-helpers.h"
32 #include "mono/metadata/marshal.h"
33 #include <mono/metadata/threads.h>
34 #include <mono/metadata/threads-types.h>
35 #include <mono/metadata/environment.h>
36 #include "mono/metadata/profiler-private.h"
37 #include "mono/metadata/security-manager.h"
38 #include "mono/metadata/mono-debug-debugger.h"
39 #include <mono/metadata/gc-internal.h>
40 #include <mono/metadata/verify-internals.h>
41 #include <mono/utils/strenc.h>
42 #include <mono/utils/mono-counters.h>
43 #include <mono/utils/mono-error-internals.h>
44 #include <mono/utils/mono-memory-model.h>
45 #include <mono/utils/checked-build.h>
46 #include "cominterop.h"
49 get_default_field_value (MonoDomain* domain, MonoClassField *field, void *value);
52 mono_ldstr_metadata_sig (MonoDomain *domain, const char* sig);
55 free_main_args (void);
58 mono_string_to_utf8_internal (MonoMemPool *mp, MonoImage *image, MonoString *s, gboolean ignore_error, MonoError *error);
61 #define ldstr_lock() mono_mutex_lock (&ldstr_section)
62 #define ldstr_unlock() mono_mutex_unlock (&ldstr_section)
63 static mono_mutex_t ldstr_section;
66 mono_runtime_object_init (MonoObject *this)
68 MONO_REQ_GC_UNSAFE_MODE;
70 MonoMethod *method = NULL;
71 MonoClass *klass = this->vtable->klass;
73 method = mono_class_get_method_from_name (klass, ".ctor", 0);
75 g_error ("Could not lookup zero argument constructor for class %s", mono_type_get_full_name (klass));
77 if (method->klass->valuetype)
78 this = mono_object_unbox (this);
79 mono_runtime_invoke (method, this, NULL, NULL);
82 /* The pseudo algorithm for type initialization from the spec
83 Note it doesn't say anything about domains - only threads.
85 2. If the type is initialized you are done.
86 2.1. If the type is not yet initialized, try to take an
88 2.2. If successful, record this thread as responsible for
89 initializing the type and proceed to step 2.3.
90 2.2.1. If not, see whether this thread or any thread
91 waiting for this thread to complete already holds the lock.
92 2.2.2. If so, return since blocking would create a deadlock. This thread
93 will now see an incompletely initialized state for the type,
94 but no deadlock will arise.
95 2.2.3 If not, block until the type is initialized then return.
96 2.3 Initialize the parent type and then all interfaces implemented
98 2.4 Execute the type initialization code for this type.
99 2.5 Mark the type as initialized, release the initialization lock,
100 awaken any threads waiting for this type to be initialized,
107 guint32 initializing_tid;
108 guint32 waiting_count;
110 mono_mutex_t initialization_section;
111 } TypeInitializationLock;
113 /* for locking access to type_initialization_hash and blocked_thread_hash */
114 static mono_mutex_t type_initialization_section;
117 mono_type_initialization_lock (void)
119 /* The critical sections protected by this lock in mono_runtime_class_init_full () can block */
120 MONO_PREPARE_BLOCKING;
121 mono_mutex_lock (&type_initialization_section);
122 MONO_FINISH_BLOCKING;
126 mono_type_initialization_unlock (void)
128 mono_mutex_unlock (&type_initialization_section);
132 mono_type_init_lock (TypeInitializationLock *lock)
134 MONO_REQ_GC_NEUTRAL_MODE;
137 mono_mutex_lock (&lock->initialization_section);
138 MONO_FINISH_TRY_BLOCKING;
142 mono_type_init_unlock (TypeInitializationLock *lock)
144 mono_mutex_unlock (&lock->initialization_section);
147 /* from vtable to lock */
148 static GHashTable *type_initialization_hash;
150 /* from thread id to thread id being waited on */
151 static GHashTable *blocked_thread_hash;
154 static MonoThread *main_thread;
156 /* Functions supplied by the runtime */
157 static MonoRuntimeCallbacks callbacks;
160 * mono_thread_set_main:
161 * @thread: thread to set as the main thread
163 * This function can be used to instruct the runtime to treat @thread
164 * as the main thread, ie, the thread that would normally execute the Main()
165 * method. This basically means that at the end of @thread, the runtime will
166 * wait for the existing foreground threads to quit and other such details.
169 mono_thread_set_main (MonoThread *thread)
171 MONO_REQ_GC_UNSAFE_MODE;
173 static gboolean registered = FALSE;
176 MONO_GC_REGISTER_ROOT_SINGLE (main_thread, MONO_ROOT_SOURCE_THREADING, "main thread object");
180 main_thread = thread;
184 mono_thread_get_main (void)
186 MONO_REQ_GC_UNSAFE_MODE;
192 mono_type_initialization_init (void)
194 mono_mutex_init_recursive (&type_initialization_section);
195 type_initialization_hash = g_hash_table_new (NULL, NULL);
196 blocked_thread_hash = g_hash_table_new (NULL, NULL);
197 mono_mutex_init_recursive (&ldstr_section);
201 mono_type_initialization_cleanup (void)
204 /* This is causing race conditions with
205 * mono_release_type_locks
207 mono_mutex_destroy (&type_initialization_section);
208 g_hash_table_destroy (type_initialization_hash);
209 type_initialization_hash = NULL;
211 mono_mutex_destroy (&ldstr_section);
212 g_hash_table_destroy (blocked_thread_hash);
213 blocked_thread_hash = NULL;
219 * get_type_init_exception_for_vtable:
221 * Return the stored type initialization exception for VTABLE.
223 static MonoException*
224 get_type_init_exception_for_vtable (MonoVTable *vtable)
226 MONO_REQ_GC_UNSAFE_MODE;
228 MonoDomain *domain = vtable->domain;
229 MonoClass *klass = vtable->klass;
233 if (!vtable->init_failed)
234 g_error ("Trying to get the init exception for a non-failed vtable of class %s", mono_type_get_full_name (klass));
237 * If the initializing thread was rudely aborted, the exception is not stored
241 mono_domain_lock (domain);
242 if (domain->type_init_exception_hash)
243 ex = mono_g_hash_table_lookup (domain->type_init_exception_hash, klass);
244 mono_domain_unlock (domain);
247 if (klass->name_space && *klass->name_space)
248 full_name = g_strdup_printf ("%s.%s", klass->name_space, klass->name);
250 full_name = g_strdup (klass->name);
251 ex = mono_get_exception_type_initialization (full_name, NULL);
258 * mono_runtime_class_init:
259 * @vtable: vtable that needs to be initialized
261 * This routine calls the class constructor for @vtable.
264 mono_runtime_class_init (MonoVTable *vtable)
266 MONO_REQ_GC_UNSAFE_MODE;
268 mono_runtime_class_init_full (vtable, TRUE);
272 * mono_runtime_class_init_full:
273 * @vtable that neeeds to be initialized
274 * @raise_exception is TRUE, exceptions are raised intead of returned
278 mono_runtime_class_init_full (MonoVTable *vtable, gboolean raise_exception)
280 MONO_REQ_GC_UNSAFE_MODE;
283 MonoException *exc_to_throw;
284 MonoMethod *method = NULL;
287 MonoDomain *domain = vtable->domain;
288 TypeInitializationLock *lock;
290 int do_initialization = 0;
291 MonoDomain *last_domain = NULL;
293 if (vtable->initialized)
297 klass = vtable->klass;
299 if (!klass->image->checked_module_cctor) {
300 mono_image_check_for_module_cctor (klass->image);
301 if (klass->image->has_module_cctor) {
303 MonoClass *module_klass;
304 MonoVTable *module_vtable;
306 module_klass = mono_class_get_checked (klass->image, MONO_TOKEN_TYPE_DEF | 1, &error);
308 exc = mono_error_convert_to_exception (&error);
310 mono_raise_exception (exc);
314 module_vtable = mono_class_vtable_full (vtable->domain, module_klass, raise_exception);
317 exc = mono_runtime_class_init_full (module_vtable, raise_exception);
322 method = mono_class_get_cctor (klass);
324 vtable->initialized = 1;
328 tid = GetCurrentThreadId ();
330 mono_type_initialization_lock ();
331 /* double check... */
332 if (vtable->initialized) {
333 mono_type_initialization_unlock ();
336 if (vtable->init_failed) {
337 mono_type_initialization_unlock ();
339 /* The type initialization already failed once, rethrow the same exception */
341 mono_raise_exception (get_type_init_exception_for_vtable (vtable));
342 return get_type_init_exception_for_vtable (vtable);
344 lock = g_hash_table_lookup (type_initialization_hash, vtable);
346 /* This thread will get to do the initialization */
347 if (mono_domain_get () != domain) {
348 /* Transfer into the target domain */
349 last_domain = mono_domain_get ();
350 if (!mono_domain_set (domain, FALSE)) {
351 vtable->initialized = 1;
352 mono_type_initialization_unlock ();
354 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
355 return mono_get_exception_appdomain_unloaded ();
358 lock = g_malloc (sizeof(TypeInitializationLock));
359 mono_mutex_init_recursive (&lock->initialization_section);
360 lock->initializing_tid = tid;
361 lock->waiting_count = 1;
363 /* grab the vtable lock while this thread still owns type_initialization_section */
364 /* This is why type_initialization_lock needs to enter blocking mode */
365 mono_type_init_lock (lock);
366 g_hash_table_insert (type_initialization_hash, vtable, lock);
367 do_initialization = 1;
370 TypeInitializationLock *pending_lock;
372 if (lock->initializing_tid == tid || lock->done) {
373 mono_type_initialization_unlock ();
376 /* see if the thread doing the initialization is already blocked on this thread */
377 blocked = GUINT_TO_POINTER (lock->initializing_tid);
378 while ((pending_lock = (TypeInitializationLock*) g_hash_table_lookup (blocked_thread_hash, blocked))) {
379 if (pending_lock->initializing_tid == tid) {
380 if (!pending_lock->done) {
381 mono_type_initialization_unlock ();
384 /* the thread doing the initialization is blocked on this thread,
385 but on a lock that has already been freed. It just hasn't got
390 blocked = GUINT_TO_POINTER (pending_lock->initializing_tid);
392 ++lock->waiting_count;
393 /* record the fact that we are waiting on the initializing thread */
394 g_hash_table_insert (blocked_thread_hash, GUINT_TO_POINTER (tid), lock);
396 mono_type_initialization_unlock ();
398 if (do_initialization) {
399 mono_runtime_invoke (method, NULL, NULL, (MonoObject **) &exc);
401 /* If the initialization failed, mark the class as unusable. */
402 /* Avoid infinite loops */
404 (klass->image == mono_defaults.corlib &&
405 !strcmp (klass->name_space, "System") &&
406 !strcmp (klass->name, "TypeInitializationException")))) {
407 vtable->init_failed = 1;
409 if (klass->name_space && *klass->name_space)
410 full_name = g_strdup_printf ("%s.%s", klass->name_space, klass->name);
412 full_name = g_strdup (klass->name);
413 exc_to_throw = mono_get_exception_type_initialization (full_name, exc);
417 * Store the exception object so it could be thrown on subsequent
420 mono_domain_lock (domain);
421 if (!domain->type_init_exception_hash)
422 domain->type_init_exception_hash = mono_g_hash_table_new_type (mono_aligned_addr_hash, NULL, MONO_HASH_VALUE_GC, MONO_ROOT_SOURCE_DOMAIN, "type initialization exceptions table");
423 mono_g_hash_table_insert (domain->type_init_exception_hash, klass, exc_to_throw);
424 mono_domain_unlock (domain);
428 mono_domain_set (last_domain, TRUE);
430 mono_type_init_unlock (lock);
432 /* this just blocks until the initializing thread is done */
433 mono_type_init_lock (lock);
434 mono_type_init_unlock (lock);
437 mono_type_initialization_lock ();
438 if (lock->initializing_tid != tid)
439 g_hash_table_remove (blocked_thread_hash, GUINT_TO_POINTER (tid));
440 --lock->waiting_count;
441 if (lock->waiting_count == 0) {
442 mono_mutex_destroy (&lock->initialization_section);
443 g_hash_table_remove (type_initialization_hash, vtable);
446 mono_memory_barrier ();
447 if (!vtable->init_failed)
448 vtable->initialized = 1;
449 mono_type_initialization_unlock ();
451 if (vtable->init_failed) {
452 /* Either we were the initializing thread or we waited for the initialization */
454 mono_raise_exception (get_type_init_exception_for_vtable (vtable));
455 return get_type_init_exception_for_vtable (vtable);
461 gboolean release_type_locks (gpointer key, gpointer value, gpointer user)
463 MONO_REQ_GC_NEUTRAL_MODE;
465 MonoVTable *vtable = (MonoVTable*)key;
467 TypeInitializationLock *lock = (TypeInitializationLock*) value;
468 if (lock->initializing_tid == GPOINTER_TO_UINT (user) && !lock->done) {
471 * Have to set this since it cannot be set by the normal code in
472 * mono_runtime_class_init (). In this case, the exception object is not stored,
473 * and get_type_init_exception_for_class () needs to be aware of this.
475 vtable->init_failed = 1;
476 mono_type_init_unlock (lock);
477 --lock->waiting_count;
478 if (lock->waiting_count == 0) {
479 mono_mutex_destroy (&lock->initialization_section);
488 mono_release_type_locks (MonoInternalThread *thread)
490 MONO_REQ_GC_UNSAFE_MODE;
492 mono_type_initialization_lock ();
493 g_hash_table_foreach_remove (type_initialization_hash, release_type_locks, (gpointer)(gsize)(thread->tid));
494 mono_type_initialization_unlock ();
498 default_trampoline (MonoMethod *method)
504 default_jump_trampoline (MonoDomain *domain, MonoMethod *method, gboolean add_sync_wrapper)
506 g_assert_not_reached ();
511 #ifndef DISABLE_REMOTING
514 default_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
516 g_error ("remoting not installed");
520 static MonoRemotingTrampoline arch_create_remoting_trampoline = default_remoting_trampoline;
524 default_delegate_trampoline (MonoDomain *domain, MonoClass *klass)
526 g_assert_not_reached ();
530 static MonoTrampoline arch_create_jit_trampoline = default_trampoline;
531 static MonoJumpTrampoline arch_create_jump_trampoline = default_jump_trampoline;
532 static MonoDelegateTrampoline arch_create_delegate_trampoline = default_delegate_trampoline;
533 static MonoImtThunkBuilder imt_thunk_builder;
534 #if (MONO_IMT_SIZE > 32)
535 #error "MONO_IMT_SIZE cannot be larger than 32"
539 mono_install_callbacks (MonoRuntimeCallbacks *cbs)
541 memcpy (&callbacks, cbs, sizeof (*cbs));
544 MonoRuntimeCallbacks*
545 mono_get_runtime_callbacks (void)
551 mono_install_trampoline (MonoTrampoline func)
553 arch_create_jit_trampoline = func? func: default_trampoline;
557 mono_install_jump_trampoline (MonoJumpTrampoline func)
559 arch_create_jump_trampoline = func? func: default_jump_trampoline;
562 #ifndef DISABLE_REMOTING
564 mono_install_remoting_trampoline (MonoRemotingTrampoline func)
566 arch_create_remoting_trampoline = func? func: default_remoting_trampoline;
571 mono_install_delegate_trampoline (MonoDelegateTrampoline func)
573 arch_create_delegate_trampoline = func? func: default_delegate_trampoline;
577 mono_install_imt_thunk_builder (MonoImtThunkBuilder func) {
578 imt_thunk_builder = func;
581 static MonoCompileFunc default_mono_compile_method = NULL;
584 * mono_install_compile_method:
585 * @func: function to install
587 * This is a VM internal routine
590 mono_install_compile_method (MonoCompileFunc func)
592 default_mono_compile_method = func;
596 * mono_compile_method:
597 * @method: The method to compile.
599 * This JIT-compiles the method, and returns the pointer to the native code
603 mono_compile_method (MonoMethod *method)
605 MONO_REQ_GC_NEUTRAL_MODE
607 if (!default_mono_compile_method) {
608 g_error ("compile method called on uninitialized runtime");
611 return default_mono_compile_method (method);
615 mono_runtime_create_jump_trampoline (MonoDomain *domain, MonoMethod *method, gboolean add_sync_wrapper)
617 MONO_REQ_GC_NEUTRAL_MODE
619 return arch_create_jump_trampoline (domain, method, add_sync_wrapper);
623 mono_runtime_create_delegate_trampoline (MonoClass *klass)
625 MONO_REQ_GC_NEUTRAL_MODE
627 return arch_create_delegate_trampoline (mono_domain_get (), klass);
630 static MonoFreeMethodFunc default_mono_free_method = NULL;
633 * mono_install_free_method:
634 * @func: pointer to the MonoFreeMethodFunc used to release a method
636 * This is an internal VM routine, it is used for the engines to
637 * register a handler to release the resources associated with a method.
639 * Methods are freed when no more references to the delegate that holds
643 mono_install_free_method (MonoFreeMethodFunc func)
645 default_mono_free_method = func;
649 * mono_runtime_free_method:
650 * @domain; domain where the method is hosted
651 * @method: method to release
653 * This routine is invoked to free the resources associated with
654 * a method that has been JIT compiled. This is used to discard
655 * methods that were used only temporarily (for example, used in marshalling)
659 mono_runtime_free_method (MonoDomain *domain, MonoMethod *method)
661 MONO_REQ_GC_NEUTRAL_MODE
663 if (default_mono_free_method != NULL)
664 default_mono_free_method (domain, method);
666 mono_method_clear_object (domain, method);
668 mono_free_method (method);
672 * The vtables in the root appdomain are assumed to be reachable by other
673 * roots, and we don't use typed allocation in the other domains.
676 /* The sync block is no longer a GC pointer */
677 #define GC_HEADER_BITMAP (0)
679 #define BITMAP_EL_SIZE (sizeof (gsize) * 8)
682 compute_class_bitmap (MonoClass *class, gsize *bitmap, int size, int offset, int *max_set, gboolean static_fields)
684 MONO_REQ_GC_NEUTRAL_MODE;
686 MonoClassField *field;
692 max_size = mono_class_data_size (class) / sizeof (gpointer);
694 max_size = class->instance_size / sizeof (gpointer);
695 if (max_size > size) {
696 g_assert (offset <= 0);
697 bitmap = g_malloc0 ((max_size + BITMAP_EL_SIZE - 1) / BITMAP_EL_SIZE * sizeof (gsize));
702 /*An Ephemeron cannot be marked by sgen*/
703 if (!static_fields && class->image == mono_defaults.corlib && !strcmp ("Ephemeron", class->name)) {
705 memset (bitmap, 0, size / 8);
710 for (p = class; p != NULL; p = p->parent) {
711 gpointer iter = NULL;
712 while ((field = mono_class_get_fields (p, &iter))) {
716 if (!(field->type->attrs & (FIELD_ATTRIBUTE_STATIC | FIELD_ATTRIBUTE_HAS_FIELD_RVA)))
718 if (field->type->attrs & FIELD_ATTRIBUTE_LITERAL)
721 if (field->type->attrs & (FIELD_ATTRIBUTE_STATIC | FIELD_ATTRIBUTE_HAS_FIELD_RVA))
724 /* FIXME: should not happen, flag as type load error */
725 if (field->type->byref)
728 // Special static fields do not have a domain-level static slot
729 if (static_fields && mono_class_field_is_special_static (field))
732 pos = field->offset / sizeof (gpointer);
735 type = mono_type_get_underlying_type (field->type);
736 switch (type->type) {
739 case MONO_TYPE_FNPTR:
741 /* only UIntPtr is allowed to be GC-tracked and only in mscorlib */
746 if (class->image != mono_defaults.corlib)
749 case MONO_TYPE_STRING:
750 case MONO_TYPE_SZARRAY:
751 case MONO_TYPE_CLASS:
752 case MONO_TYPE_OBJECT:
753 case MONO_TYPE_ARRAY:
754 g_assert ((field->offset % sizeof(gpointer)) == 0);
756 g_assert (pos < size || pos <= max_size);
757 bitmap [pos / BITMAP_EL_SIZE] |= ((gsize)1) << (pos % BITMAP_EL_SIZE);
758 *max_set = MAX (*max_set, pos);
760 case MONO_TYPE_GENERICINST:
761 if (!mono_type_generic_inst_is_valuetype (type)) {
762 g_assert ((field->offset % sizeof(gpointer)) == 0);
764 bitmap [pos / BITMAP_EL_SIZE] |= ((gsize)1) << (pos % BITMAP_EL_SIZE);
765 *max_set = MAX (*max_set, pos);
770 case MONO_TYPE_VALUETYPE: {
771 MonoClass *fclass = mono_class_from_mono_type (field->type);
772 if (fclass->has_references) {
773 /* remove the object header */
774 compute_class_bitmap (fclass, bitmap, size, pos - (sizeof (MonoObject) / sizeof (gpointer)), max_set, FALSE);
788 case MONO_TYPE_BOOLEAN:
792 g_error ("compute_class_bitmap: Invalid type %x for field %s:%s\n", type->type, mono_type_get_full_name (field->parent), field->name);
803 * mono_class_compute_bitmap:
805 * Mono internal function to compute a bitmap of reference fields in a class.
808 mono_class_compute_bitmap (MonoClass *class, gsize *bitmap, int size, int offset, int *max_set, gboolean static_fields)
810 MONO_REQ_GC_NEUTRAL_MODE;
812 return compute_class_bitmap (class, bitmap, size, offset, max_set, static_fields);
817 * similar to the above, but sets the bits in the bitmap for any non-ref field
818 * and ignores static fields
821 compute_class_non_ref_bitmap (MonoClass *class, gsize *bitmap, int size, int offset)
823 MonoClassField *field;
828 max_size = class->instance_size / sizeof (gpointer);
829 if (max_size >= size) {
830 bitmap = g_malloc0 (sizeof (gsize) * ((max_size) + 1));
833 for (p = class; p != NULL; p = p->parent) {
834 gpointer iter = NULL;
835 while ((field = mono_class_get_fields (p, &iter))) {
838 if (field->type->attrs & (FIELD_ATTRIBUTE_STATIC | FIELD_ATTRIBUTE_HAS_FIELD_RVA))
840 /* FIXME: should not happen, flag as type load error */
841 if (field->type->byref)
844 pos = field->offset / sizeof (gpointer);
847 type = mono_type_get_underlying_type (field->type);
848 switch (type->type) {
849 #if SIZEOF_VOID_P == 8
853 case MONO_TYPE_FNPTR:
858 if ((((field->offset + 7) / sizeof (gpointer)) + offset) != pos) {
859 pos2 = ((field->offset + 7) / sizeof (gpointer)) + offset;
860 bitmap [pos2 / BITMAP_EL_SIZE] |= ((gsize)1) << (pos2 % BITMAP_EL_SIZE);
863 #if SIZEOF_VOID_P == 4
867 case MONO_TYPE_FNPTR:
872 if ((((field->offset + 3) / sizeof (gpointer)) + offset) != pos) {
873 pos2 = ((field->offset + 3) / sizeof (gpointer)) + offset;
874 bitmap [pos2 / BITMAP_EL_SIZE] |= ((gsize)1) << (pos2 % BITMAP_EL_SIZE);
880 if ((((field->offset + 1) / sizeof (gpointer)) + offset) != pos) {
881 pos2 = ((field->offset + 1) / sizeof (gpointer)) + offset;
882 bitmap [pos2 / BITMAP_EL_SIZE] |= ((gsize)1) << (pos2 % BITMAP_EL_SIZE);
885 case MONO_TYPE_BOOLEAN:
888 bitmap [pos / BITMAP_EL_SIZE] |= ((gsize)1) << (pos % BITMAP_EL_SIZE);
890 case MONO_TYPE_STRING:
891 case MONO_TYPE_SZARRAY:
892 case MONO_TYPE_CLASS:
893 case MONO_TYPE_OBJECT:
894 case MONO_TYPE_ARRAY:
896 case MONO_TYPE_GENERICINST:
897 if (!mono_type_generic_inst_is_valuetype (type)) {
902 case MONO_TYPE_VALUETYPE: {
903 MonoClass *fclass = mono_class_from_mono_type (field->type);
904 /* remove the object header */
905 compute_class_non_ref_bitmap (fclass, bitmap, size, pos - (sizeof (MonoObject) / sizeof (gpointer)));
909 g_assert_not_reached ();
918 * mono_class_insecure_overlapping:
919 * check if a class with explicit layout has references and non-references
920 * fields overlapping.
922 * Returns: TRUE if it is insecure to load the type.
925 mono_class_insecure_overlapping (MonoClass *klass)
929 gsize default_bitmap [4] = {0};
931 gsize default_nrbitmap [4] = {0};
932 int i, insecure = FALSE;
935 bitmap = compute_class_bitmap (klass, default_bitmap, sizeof (default_bitmap) * 8, 0, &max_set, FALSE);
936 nrbitmap = compute_class_non_ref_bitmap (klass, default_nrbitmap, sizeof (default_nrbitmap) * 8, 0);
938 for (i = 0; i <= max_set; i += sizeof (bitmap [0]) * 8) {
939 int idx = i % (sizeof (bitmap [0]) * 8);
940 if (bitmap [idx] & nrbitmap [idx]) {
945 if (bitmap != default_bitmap)
947 if (nrbitmap != default_nrbitmap)
950 g_print ("class %s.%s in assembly %s has overlapping references\n", klass->name_space, klass->name, klass->image->name);
958 mono_string_alloc (int length)
960 MONO_REQ_GC_UNSAFE_MODE;
961 return mono_string_new_size (mono_domain_get (), length);
965 mono_class_compute_gc_descriptor (MonoClass *class)
967 MONO_REQ_GC_NEUTRAL_MODE;
971 gsize default_bitmap [4] = {0};
972 static gboolean gcj_inited = FALSE;
977 mono_register_jit_icall (mono_object_new_fast, "mono_object_new_fast", mono_create_icall_signature ("object ptr"), FALSE);
978 mono_register_jit_icall (mono_string_alloc, "mono_string_alloc", mono_create_icall_signature ("object int"), FALSE);
981 mono_loader_unlock ();
985 mono_class_init (class);
987 if (class->gc_descr_inited)
990 class->gc_descr_inited = TRUE;
991 class->gc_descr = MONO_GC_DESCRIPTOR_NULL;
993 bitmap = default_bitmap;
994 if (class == mono_defaults.string_class) {
995 class->gc_descr = mono_gc_make_descr_for_string (bitmap, 2);
996 } else if (class->rank) {
997 mono_class_compute_gc_descriptor (class->element_class);
998 if (MONO_TYPE_IS_REFERENCE (&class->element_class->byval_arg)) {
1000 class->gc_descr = mono_gc_make_descr_for_array (class->byval_arg.type == MONO_TYPE_SZARRAY, &abm, 1, sizeof (gpointer));
1001 /*printf ("new array descriptor: 0x%x for %s.%s\n", class->gc_descr,
1002 class->name_space, class->name);*/
1004 /* remove the object header */
1005 bitmap = compute_class_bitmap (class->element_class, default_bitmap, sizeof (default_bitmap) * 8, - (int)(sizeof (MonoObject) / sizeof (gpointer)), &max_set, FALSE);
1006 class->gc_descr = mono_gc_make_descr_for_array (class->byval_arg.type == MONO_TYPE_SZARRAY, bitmap, mono_array_element_size (class) / sizeof (gpointer), mono_array_element_size (class));
1007 /*printf ("new vt array descriptor: 0x%x for %s.%s\n", class->gc_descr,
1008 class->name_space, class->name);*/
1009 if (bitmap != default_bitmap)
1013 /*static int count = 0;
1016 bitmap = compute_class_bitmap (class, default_bitmap, sizeof (default_bitmap) * 8, 0, &max_set, FALSE);
1017 class->gc_descr = mono_gc_make_descr_for_object (bitmap, max_set + 1, class->instance_size);
1019 if (class->gc_descr == MONO_GC_DESCRIPTOR_NULL)
1020 g_print ("disabling typed alloc (%d) for %s.%s\n", max_set, class->name_space, class->name);
1022 /*printf ("new descriptor: %p 0x%x for %s.%s\n", class->gc_descr, bitmap [0], class->name_space, class->name);*/
1023 if (bitmap != default_bitmap)
1029 * field_is_special_static:
1030 * @fklass: The MonoClass to look up.
1031 * @field: The MonoClassField describing the field.
1033 * Returns: SPECIAL_STATIC_THREAD if the field is thread static, SPECIAL_STATIC_CONTEXT if it is context static,
1034 * SPECIAL_STATIC_NONE otherwise.
1037 field_is_special_static (MonoClass *fklass, MonoClassField *field)
1039 MONO_REQ_GC_NEUTRAL_MODE;
1041 MonoCustomAttrInfo *ainfo;
1043 ainfo = mono_custom_attrs_from_field (fklass, field);
1046 for (i = 0; i < ainfo->num_attrs; ++i) {
1047 MonoClass *klass = ainfo->attrs [i].ctor->klass;
1048 if (klass->image == mono_defaults.corlib) {
1049 if (strcmp (klass->name, "ThreadStaticAttribute") == 0) {
1050 mono_custom_attrs_free (ainfo);
1051 return SPECIAL_STATIC_THREAD;
1053 else if (strcmp (klass->name, "ContextStaticAttribute") == 0) {
1054 mono_custom_attrs_free (ainfo);
1055 return SPECIAL_STATIC_CONTEXT;
1059 mono_custom_attrs_free (ainfo);
1060 return SPECIAL_STATIC_NONE;
1063 #define rot(x,k) (((x)<<(k)) | ((x)>>(32-(k))))
1064 #define mix(a,b,c) { \
1065 a -= c; a ^= rot(c, 4); c += b; \
1066 b -= a; b ^= rot(a, 6); a += c; \
1067 c -= b; c ^= rot(b, 8); b += a; \
1068 a -= c; a ^= rot(c,16); c += b; \
1069 b -= a; b ^= rot(a,19); a += c; \
1070 c -= b; c ^= rot(b, 4); b += a; \
1072 #define final(a,b,c) { \
1073 c ^= b; c -= rot(b,14); \
1074 a ^= c; a -= rot(c,11); \
1075 b ^= a; b -= rot(a,25); \
1076 c ^= b; c -= rot(b,16); \
1077 a ^= c; a -= rot(c,4); \
1078 b ^= a; b -= rot(a,14); \
1079 c ^= b; c -= rot(b,24); \
1083 * mono_method_get_imt_slot:
1085 * The IMT slot is embedded into AOTed code, so this must return the same value
1086 * for the same method across all executions. This means:
1087 * - pointers shouldn't be used as hash values.
1088 * - mono_metadata_str_hash () should be used for hashing strings.
1091 mono_method_get_imt_slot (MonoMethod *method)
1093 MONO_REQ_GC_NEUTRAL_MODE;
1095 MonoMethodSignature *sig;
1097 guint32 *hashes_start, *hashes;
1101 /* This can be used to stress tests the collision code */
1105 * We do this to simplify generic sharing. It will hurt
1106 * performance in cases where a class implements two different
1107 * instantiations of the same generic interface.
1108 * The code in build_imt_slots () depends on this.
1110 if (method->is_inflated)
1111 method = ((MonoMethodInflated*)method)->declaring;
1113 sig = mono_method_signature (method);
1114 hashes_count = sig->param_count + 4;
1115 hashes_start = malloc (hashes_count * sizeof (guint32));
1116 hashes = hashes_start;
1118 if (! MONO_CLASS_IS_INTERFACE (method->klass)) {
1119 g_error ("mono_method_get_imt_slot: %s.%s.%s is not an interface MonoMethod",
1120 method->klass->name_space, method->klass->name, method->name);
1123 /* Initialize hashes */
1124 hashes [0] = mono_metadata_str_hash (method->klass->name);
1125 hashes [1] = mono_metadata_str_hash (method->klass->name_space);
1126 hashes [2] = mono_metadata_str_hash (method->name);
1127 hashes [3] = mono_metadata_type_hash (sig->ret);
1128 for (i = 0; i < sig->param_count; i++) {
1129 hashes [4 + i] = mono_metadata_type_hash (sig->params [i]);
1132 /* Setup internal state */
1133 a = b = c = 0xdeadbeef + (((guint32)hashes_count)<<2);
1135 /* Handle most of the hashes */
1136 while (hashes_count > 3) {
1145 /* Handle the last 3 hashes (all the case statements fall through) */
1146 switch (hashes_count) {
1147 case 3 : c += hashes [2];
1148 case 2 : b += hashes [1];
1149 case 1 : a += hashes [0];
1151 case 0: /* nothing left to add */
1155 free (hashes_start);
1156 /* Report the result */
1157 return c % MONO_IMT_SIZE;
1166 add_imt_builder_entry (MonoImtBuilderEntry **imt_builder, MonoMethod *method, guint32 *imt_collisions_bitmap, int vtable_slot, int slot_num) {
1167 MONO_REQ_GC_NEUTRAL_MODE;
1169 guint32 imt_slot = mono_method_get_imt_slot (method);
1170 MonoImtBuilderEntry *entry;
1172 if (slot_num >= 0 && imt_slot != slot_num) {
1173 /* we build just a single imt slot and this is not it */
1177 entry = g_malloc0 (sizeof (MonoImtBuilderEntry));
1178 entry->key = method;
1179 entry->value.vtable_slot = vtable_slot;
1180 entry->next = imt_builder [imt_slot];
1181 if (imt_builder [imt_slot] != NULL) {
1182 entry->children = imt_builder [imt_slot]->children + 1;
1183 if (entry->children == 1) {
1184 mono_stats.imt_slots_with_collisions++;
1185 *imt_collisions_bitmap |= (1 << imt_slot);
1188 entry->children = 0;
1189 mono_stats.imt_used_slots++;
1191 imt_builder [imt_slot] = entry;
1194 char *method_name = mono_method_full_name (method, TRUE);
1195 printf ("Added IMT slot for method (%p) %s: imt_slot = %d, vtable_slot = %d, colliding with other %d entries\n",
1196 method, method_name, imt_slot, vtable_slot, entry->children);
1197 g_free (method_name);
1204 print_imt_entry (const char* message, MonoImtBuilderEntry *e, int num) {
1206 MonoMethod *method = e->key;
1207 printf (" * %s [%d]: (%p) '%s.%s.%s'\n",
1211 method->klass->name_space,
1212 method->klass->name,
1215 printf (" * %s: NULL\n", message);
1221 compare_imt_builder_entries (const void *p1, const void *p2) {
1222 MonoImtBuilderEntry *e1 = *(MonoImtBuilderEntry**) p1;
1223 MonoImtBuilderEntry *e2 = *(MonoImtBuilderEntry**) p2;
1225 return (e1->key < e2->key) ? -1 : ((e1->key > e2->key) ? 1 : 0);
1229 imt_emit_ir (MonoImtBuilderEntry **sorted_array, int start, int end, GPtrArray *out_array)
1231 MONO_REQ_GC_NEUTRAL_MODE;
1233 int count = end - start;
1234 int chunk_start = out_array->len;
1237 for (i = start; i < end; ++i) {
1238 MonoIMTCheckItem *item = g_new0 (MonoIMTCheckItem, 1);
1239 item->key = sorted_array [i]->key;
1240 item->value = sorted_array [i]->value;
1241 item->has_target_code = sorted_array [i]->has_target_code;
1242 item->is_equals = TRUE;
1244 item->check_target_idx = out_array->len + 1;
1246 item->check_target_idx = 0;
1247 g_ptr_array_add (out_array, item);
1250 int middle = start + count / 2;
1251 MonoIMTCheckItem *item = g_new0 (MonoIMTCheckItem, 1);
1253 item->key = sorted_array [middle]->key;
1254 item->is_equals = FALSE;
1255 g_ptr_array_add (out_array, item);
1256 imt_emit_ir (sorted_array, start, middle, out_array);
1257 item->check_target_idx = imt_emit_ir (sorted_array, middle, end, out_array);
1263 imt_sort_slot_entries (MonoImtBuilderEntry *entries) {
1264 MONO_REQ_GC_NEUTRAL_MODE;
1266 int number_of_entries = entries->children + 1;
1267 MonoImtBuilderEntry **sorted_array = malloc (sizeof (MonoImtBuilderEntry*) * number_of_entries);
1268 GPtrArray *result = g_ptr_array_new ();
1269 MonoImtBuilderEntry *current_entry;
1272 for (current_entry = entries, i = 0; current_entry != NULL; current_entry = current_entry->next, i++) {
1273 sorted_array [i] = current_entry;
1275 qsort (sorted_array, number_of_entries, sizeof (MonoImtBuilderEntry*), compare_imt_builder_entries);
1277 /*for (i = 0; i < number_of_entries; i++) {
1278 print_imt_entry (" sorted array:", sorted_array [i], i);
1281 imt_emit_ir (sorted_array, 0, number_of_entries, result);
1283 free (sorted_array);
1288 initialize_imt_slot (MonoVTable *vtable, MonoDomain *domain, MonoImtBuilderEntry *imt_builder_entry, gpointer fail_tramp)
1290 MONO_REQ_GC_NEUTRAL_MODE;
1292 if (imt_builder_entry != NULL) {
1293 if (imt_builder_entry->children == 0 && !fail_tramp) {
1294 /* No collision, return the vtable slot contents */
1295 return vtable->vtable [imt_builder_entry->value.vtable_slot];
1297 /* Collision, build the thunk */
1298 GPtrArray *imt_ir = imt_sort_slot_entries (imt_builder_entry);
1301 result = imt_thunk_builder (vtable, domain,
1302 (MonoIMTCheckItem**)imt_ir->pdata, imt_ir->len, fail_tramp);
1303 for (i = 0; i < imt_ir->len; ++i)
1304 g_free (g_ptr_array_index (imt_ir, i));
1305 g_ptr_array_free (imt_ir, TRUE);
1317 static MonoImtBuilderEntry*
1318 get_generic_virtual_entries (MonoDomain *domain, gpointer *vtable_slot);
1321 * LOCKING: requires the loader and domain locks.
1325 build_imt_slots (MonoClass *klass, MonoVTable *vt, MonoDomain *domain, gpointer* imt, GSList *extra_interfaces, int slot_num)
1327 MONO_REQ_GC_NEUTRAL_MODE;
1331 guint32 imt_collisions_bitmap = 0;
1332 MonoImtBuilderEntry **imt_builder = calloc (MONO_IMT_SIZE, sizeof (MonoImtBuilderEntry*));
1333 int method_count = 0;
1334 gboolean record_method_count_for_max_collisions = FALSE;
1335 gboolean has_generic_virtual = FALSE, has_variant_iface = FALSE;
1338 printf ("Building IMT for class %s.%s slot %d\n", klass->name_space, klass->name, slot_num);
1340 for (i = 0; i < klass->interface_offsets_count; ++i) {
1341 MonoClass *iface = klass->interfaces_packed [i];
1342 int interface_offset = klass->interface_offsets_packed [i];
1343 int method_slot_in_interface, vt_slot;
1345 if (mono_class_has_variant_generic_params (iface))
1346 has_variant_iface = TRUE;
1348 mono_class_setup_methods (iface);
1349 vt_slot = interface_offset;
1350 for (method_slot_in_interface = 0; method_slot_in_interface < iface->method.count; method_slot_in_interface++) {
1353 if (slot_num >= 0 && iface->is_inflated) {
1355 * The imt slot of the method is the same as for its declaring method,
1356 * see the comment in mono_method_get_imt_slot (), so we can
1357 * avoid inflating methods which will be discarded by
1358 * add_imt_builder_entry anyway.
1360 method = mono_class_get_method_by_index (iface->generic_class->container_class, method_slot_in_interface);
1361 if (mono_method_get_imt_slot (method) != slot_num) {
1366 method = mono_class_get_method_by_index (iface, method_slot_in_interface);
1367 if (method->is_generic) {
1368 has_generic_virtual = TRUE;
1373 if (!(method->flags & METHOD_ATTRIBUTE_STATIC)) {
1374 add_imt_builder_entry (imt_builder, method, &imt_collisions_bitmap, vt_slot, slot_num);
1379 if (extra_interfaces) {
1380 int interface_offset = klass->vtable_size;
1382 for (list_item = extra_interfaces; list_item != NULL; list_item=list_item->next) {
1383 MonoClass* iface = list_item->data;
1384 int method_slot_in_interface;
1385 for (method_slot_in_interface = 0; method_slot_in_interface < iface->method.count; method_slot_in_interface++) {
1386 MonoMethod *method = mono_class_get_method_by_index (iface, method_slot_in_interface);
1388 if (method->is_generic)
1389 has_generic_virtual = TRUE;
1390 add_imt_builder_entry (imt_builder, method, &imt_collisions_bitmap, interface_offset + method_slot_in_interface, slot_num);
1392 interface_offset += iface->method.count;
1395 for (i = 0; i < MONO_IMT_SIZE; ++i) {
1396 /* overwrite the imt slot only if we're building all the entries or if
1397 * we're building this specific one
1399 if (slot_num < 0 || i == slot_num) {
1400 MonoImtBuilderEntry *entries = get_generic_virtual_entries (domain, &imt [i]);
1403 if (imt_builder [i]) {
1404 MonoImtBuilderEntry *entry;
1406 /* Link entries with imt_builder [i] */
1407 for (entry = entries; entry->next; entry = entry->next) {
1409 MonoMethod *method = (MonoMethod*)entry->key;
1410 char *method_name = mono_method_full_name (method, TRUE);
1411 printf ("Added extra entry for method (%p) %s: imt_slot = %d\n", method, method_name, i);
1412 g_free (method_name);
1415 entry->next = imt_builder [i];
1416 entries->children += imt_builder [i]->children + 1;
1418 imt_builder [i] = entries;
1421 if (has_generic_virtual || has_variant_iface) {
1423 * There might be collisions later when the the thunk is expanded.
1425 imt_collisions_bitmap |= (1 << i);
1428 * The IMT thunk might be called with an instance of one of the
1429 * generic virtual methods, so has to fallback to the IMT trampoline.
1431 imt [i] = initialize_imt_slot (vt, domain, imt_builder [i], callbacks.get_imt_trampoline (i));
1433 imt [i] = initialize_imt_slot (vt, domain, imt_builder [i], NULL);
1436 printf ("initialize_imt_slot[%d]: %p methods %d\n", i, imt [i], imt_builder [i]->children + 1);
1440 if (imt_builder [i] != NULL) {
1441 int methods_in_slot = imt_builder [i]->children + 1;
1442 if (methods_in_slot > mono_stats.imt_max_collisions_in_slot) {
1443 mono_stats.imt_max_collisions_in_slot = methods_in_slot;
1444 record_method_count_for_max_collisions = TRUE;
1446 method_count += methods_in_slot;
1450 mono_stats.imt_number_of_methods += method_count;
1451 if (record_method_count_for_max_collisions) {
1452 mono_stats.imt_method_count_when_max_collisions = method_count;
1455 for (i = 0; i < MONO_IMT_SIZE; i++) {
1456 MonoImtBuilderEntry* entry = imt_builder [i];
1457 while (entry != NULL) {
1458 MonoImtBuilderEntry* next = entry->next;
1464 /* we OR the bitmap since we may build just a single imt slot at a time */
1465 vt->imt_collisions_bitmap |= imt_collisions_bitmap;
1469 build_imt (MonoClass *klass, MonoVTable *vt, MonoDomain *domain, gpointer* imt, GSList *extra_interfaces) {
1470 MONO_REQ_GC_NEUTRAL_MODE;
1472 build_imt_slots (klass, vt, domain, imt, extra_interfaces, -1);
1476 * mono_vtable_build_imt_slot:
1477 * @vtable: virtual object table struct
1478 * @imt_slot: slot in the IMT table
1480 * Fill the given @imt_slot in the IMT table of @vtable with
1481 * a trampoline or a thunk for the case of collisions.
1482 * This is part of the internal mono API.
1484 * LOCKING: Take the domain lock.
1487 mono_vtable_build_imt_slot (MonoVTable* vtable, int imt_slot)
1489 MONO_REQ_GC_NEUTRAL_MODE;
1491 gpointer *imt = (gpointer*)vtable;
1492 imt -= MONO_IMT_SIZE;
1493 g_assert (imt_slot >= 0 && imt_slot < MONO_IMT_SIZE);
1495 /* no support for extra interfaces: the proxy objects will need
1496 * to build the complete IMT
1497 * Update and heck needs to ahppen inside the proper domain lock, as all
1498 * the changes made to a MonoVTable.
1500 mono_loader_lock (); /*FIXME build_imt_slots requires the loader lock.*/
1501 mono_domain_lock (vtable->domain);
1502 /* we change the slot only if it wasn't changed from the generic imt trampoline already */
1503 if (imt [imt_slot] == callbacks.get_imt_trampoline (imt_slot))
1504 build_imt_slots (vtable->klass, vtable, vtable->domain, imt, NULL, imt_slot);
1505 mono_domain_unlock (vtable->domain);
1506 mono_loader_unlock ();
1511 * The first two free list entries both belong to the wait list: The
1512 * first entry is the pointer to the head of the list and the second
1513 * entry points to the last element. That way appending and removing
1514 * the first element are both O(1) operations.
1516 #ifdef MONO_SMALL_CONFIG
1517 #define NUM_FREE_LISTS 6
1519 #define NUM_FREE_LISTS 12
1521 #define FIRST_FREE_LIST_SIZE 64
1522 #define MAX_WAIT_LENGTH 50
1523 #define THUNK_THRESHOLD 10
1526 * LOCKING: The domain lock must be held.
1529 init_thunk_free_lists (MonoDomain *domain)
1531 MONO_REQ_GC_NEUTRAL_MODE;
1533 if (domain->thunk_free_lists)
1535 domain->thunk_free_lists = mono_domain_alloc0 (domain, sizeof (gpointer) * NUM_FREE_LISTS);
1539 list_index_for_size (int item_size)
1542 int size = FIRST_FREE_LIST_SIZE;
1544 while (item_size > size && i < NUM_FREE_LISTS - 1) {
1553 * mono_method_alloc_generic_virtual_thunk:
1555 * @size: size in bytes
1557 * Allocs size bytes to be used for the code of a generic virtual
1558 * thunk. It's either allocated from the domain's code manager or
1559 * reused from a previously invalidated piece.
1561 * LOCKING: The domain lock must be held.
1564 mono_method_alloc_generic_virtual_thunk (MonoDomain *domain, int size)
1566 MONO_REQ_GC_NEUTRAL_MODE;
1568 static gboolean inited = FALSE;
1569 static int generic_virtual_thunks_size = 0;
1573 MonoThunkFreeList **l;
1575 init_thunk_free_lists (domain);
1577 size += sizeof (guint32);
1578 if (size < sizeof (MonoThunkFreeList))
1579 size = sizeof (MonoThunkFreeList);
1581 i = list_index_for_size (size);
1582 for (l = &domain->thunk_free_lists [i]; *l; l = &(*l)->next) {
1583 if ((*l)->size >= size) {
1584 MonoThunkFreeList *item = *l;
1586 return ((guint32*)item) + 1;
1590 /* no suitable item found - search lists of larger sizes */
1591 while (++i < NUM_FREE_LISTS) {
1592 MonoThunkFreeList *item = domain->thunk_free_lists [i];
1595 g_assert (item->size > size);
1596 domain->thunk_free_lists [i] = item->next;
1597 return ((guint32*)item) + 1;
1600 /* still nothing found - allocate it */
1602 mono_counters_register ("Generic virtual thunk bytes",
1603 MONO_COUNTER_GENERICS | MONO_COUNTER_INT, &generic_virtual_thunks_size);
1606 generic_virtual_thunks_size += size;
1608 p = mono_domain_code_reserve (domain, size);
1611 mono_domain_lock (domain);
1612 if (!domain->generic_virtual_thunks)
1613 domain->generic_virtual_thunks = g_hash_table_new (NULL, NULL);
1614 g_hash_table_insert (domain->generic_virtual_thunks, p, p);
1615 mono_domain_unlock (domain);
1621 * LOCKING: The domain lock must be held.
1624 invalidate_generic_virtual_thunk (MonoDomain *domain, gpointer code)
1626 MONO_REQ_GC_NEUTRAL_MODE;
1629 MonoThunkFreeList *l = (MonoThunkFreeList*)(p - 1);
1630 gboolean found = FALSE;
1632 mono_domain_lock (domain);
1633 if (!domain->generic_virtual_thunks)
1634 domain->generic_virtual_thunks = g_hash_table_new (NULL, NULL);
1635 if (g_hash_table_lookup (domain->generic_virtual_thunks, l))
1637 mono_domain_unlock (domain);
1640 /* Not allocated by mono_method_alloc_generic_virtual_thunk (), i.e. AOT */
1642 init_thunk_free_lists (domain);
1644 while (domain->thunk_free_lists [0] && domain->thunk_free_lists [0]->length >= MAX_WAIT_LENGTH) {
1645 MonoThunkFreeList *item = domain->thunk_free_lists [0];
1646 int length = item->length;
1649 /* unlink the first item from the wait list */
1650 domain->thunk_free_lists [0] = item->next;
1651 domain->thunk_free_lists [0]->length = length - 1;
1653 i = list_index_for_size (item->size);
1655 /* put it in the free list */
1656 item->next = domain->thunk_free_lists [i];
1657 domain->thunk_free_lists [i] = item;
1661 if (domain->thunk_free_lists [1]) {
1662 domain->thunk_free_lists [1] = domain->thunk_free_lists [1]->next = l;
1663 domain->thunk_free_lists [0]->length++;
1665 g_assert (!domain->thunk_free_lists [0]);
1667 domain->thunk_free_lists [0] = domain->thunk_free_lists [1] = l;
1668 domain->thunk_free_lists [0]->length = 1;
1672 typedef struct _GenericVirtualCase {
1676 struct _GenericVirtualCase *next;
1677 } GenericVirtualCase;
1680 * get_generic_virtual_entries:
1682 * Return IMT entries for the generic virtual method instances and
1683 * variant interface methods for vtable slot
1686 static MonoImtBuilderEntry*
1687 get_generic_virtual_entries (MonoDomain *domain, gpointer *vtable_slot)
1689 MONO_REQ_GC_NEUTRAL_MODE;
1691 GenericVirtualCase *list;
1692 MonoImtBuilderEntry *entries;
1694 mono_domain_lock (domain);
1695 if (!domain->generic_virtual_cases)
1696 domain->generic_virtual_cases = g_hash_table_new (mono_aligned_addr_hash, NULL);
1698 list = g_hash_table_lookup (domain->generic_virtual_cases, vtable_slot);
1701 for (; list; list = list->next) {
1702 MonoImtBuilderEntry *entry;
1704 if (list->count < THUNK_THRESHOLD)
1707 entry = g_new0 (MonoImtBuilderEntry, 1);
1708 entry->key = list->method;
1709 entry->value.target_code = mono_get_addr_from_ftnptr (list->code);
1710 entry->has_target_code = 1;
1712 entry->children = entries->children + 1;
1713 entry->next = entries;
1717 mono_domain_unlock (domain);
1719 /* FIXME: Leaking memory ? */
1724 * mono_method_add_generic_virtual_invocation:
1726 * @vtable_slot: pointer to the vtable slot
1727 * @method: the inflated generic virtual method
1728 * @code: the method's code
1730 * Registers a call via unmanaged code to a generic virtual method
1731 * instantiation or variant interface method. If the number of calls reaches a threshold
1732 * (THUNK_THRESHOLD), the method is added to the vtable slot's generic
1733 * virtual method thunk.
1736 mono_method_add_generic_virtual_invocation (MonoDomain *domain, MonoVTable *vtable,
1737 gpointer *vtable_slot,
1738 MonoMethod *method, gpointer code)
1740 MONO_REQ_GC_NEUTRAL_MODE;
1742 static gboolean inited = FALSE;
1743 static int num_added = 0;
1745 GenericVirtualCase *gvc, *list;
1746 MonoImtBuilderEntry *entries;
1750 mono_domain_lock (domain);
1751 if (!domain->generic_virtual_cases)
1752 domain->generic_virtual_cases = g_hash_table_new (mono_aligned_addr_hash, NULL);
1754 /* Check whether the case was already added */
1755 list = g_hash_table_lookup (domain->generic_virtual_cases, vtable_slot);
1758 if (gvc->method == method)
1763 /* If not found, make a new one */
1765 gvc = mono_domain_alloc (domain, sizeof (GenericVirtualCase));
1766 gvc->method = method;
1769 gvc->next = g_hash_table_lookup (domain->generic_virtual_cases, vtable_slot);
1771 g_hash_table_insert (domain->generic_virtual_cases, vtable_slot, gvc);
1774 mono_counters_register ("Generic virtual cases", MONO_COUNTER_GENERICS | MONO_COUNTER_INT, &num_added);
1780 if (++gvc->count == THUNK_THRESHOLD) {
1781 gpointer *old_thunk = *vtable_slot;
1782 gpointer vtable_trampoline = NULL;
1783 gpointer imt_trampoline = NULL;
1785 if ((gpointer)vtable_slot < (gpointer)vtable) {
1786 int displacement = (gpointer*)vtable_slot - (gpointer*)vtable;
1787 int imt_slot = MONO_IMT_SIZE + displacement;
1789 /* Force the rebuild of the thunk at the next call */
1790 imt_trampoline = callbacks.get_imt_trampoline (imt_slot);
1791 *vtable_slot = imt_trampoline;
1793 vtable_trampoline = callbacks.get_vtable_trampoline ? callbacks.get_vtable_trampoline ((gpointer*)vtable_slot - (gpointer*)vtable->vtable) : NULL;
1795 entries = get_generic_virtual_entries (domain, vtable_slot);
1797 sorted = imt_sort_slot_entries (entries);
1799 *vtable_slot = imt_thunk_builder (NULL, domain, (MonoIMTCheckItem**)sorted->pdata, sorted->len,
1803 MonoImtBuilderEntry *next = entries->next;
1808 for (i = 0; i < sorted->len; ++i)
1809 g_free (g_ptr_array_index (sorted, i));
1810 g_ptr_array_free (sorted, TRUE);
1813 #ifndef __native_client__
1814 /* We don't re-use any thunks as there is a lot of overhead */
1815 /* to deleting and re-using code in Native Client. */
1816 if (old_thunk != vtable_trampoline && old_thunk != imt_trampoline)
1817 invalidate_generic_virtual_thunk (domain, old_thunk);
1821 mono_domain_unlock (domain);
1824 static MonoVTable *mono_class_create_runtime_vtable (MonoDomain *domain, MonoClass *class, gboolean raise_on_error);
1827 * mono_class_vtable:
1828 * @domain: the application domain
1829 * @class: the class to initialize
1831 * VTables are domain specific because we create domain specific code, and
1832 * they contain the domain specific static class data.
1833 * On failure, NULL is returned, and class->exception_type is set.
1836 mono_class_vtable (MonoDomain *domain, MonoClass *class)
1838 return mono_class_vtable_full (domain, class, FALSE);
1842 * mono_class_vtable_full:
1843 * @domain: the application domain
1844 * @class: the class to initialize
1845 * @raise_on_error if an exception should be raised on failure or not
1847 * VTables are domain specific because we create domain specific code, and
1848 * they contain the domain specific static class data.
1851 mono_class_vtable_full (MonoDomain *domain, MonoClass *class, gboolean raise_on_error)
1853 MONO_REQ_GC_UNSAFE_MODE;
1855 MonoClassRuntimeInfo *runtime_info;
1859 if (class->exception_type) {
1861 mono_raise_exception (mono_class_get_exception_for_failure (class));
1865 /* this check can be inlined in jitted code, too */
1866 runtime_info = class->runtime_info;
1867 if (runtime_info && runtime_info->max_domain >= domain->domain_id && runtime_info->domain_vtables [domain->domain_id])
1868 return runtime_info->domain_vtables [domain->domain_id];
1869 return mono_class_create_runtime_vtable (domain, class, raise_on_error);
1873 * mono_class_try_get_vtable:
1874 * @domain: the application domain
1875 * @class: the class to initialize
1877 * This function tries to get the associated vtable from @class if
1878 * it was already created.
1881 mono_class_try_get_vtable (MonoDomain *domain, MonoClass *class)
1883 MONO_REQ_GC_NEUTRAL_MODE;
1885 MonoClassRuntimeInfo *runtime_info;
1889 runtime_info = class->runtime_info;
1890 if (runtime_info && runtime_info->max_domain >= domain->domain_id && runtime_info->domain_vtables [domain->domain_id])
1891 return runtime_info->domain_vtables [domain->domain_id];
1896 alloc_vtable (MonoDomain *domain, size_t vtable_size, size_t imt_table_bytes)
1898 MONO_REQ_GC_NEUTRAL_MODE;
1900 size_t alloc_offset;
1903 * We want the pointer to the MonoVTable aligned to 8 bytes because SGen uses three
1904 * address bits. The IMT has an odd number of entries, however, so on 32 bits the
1905 * alignment will be off. In that case we allocate 4 more bytes and skip over them.
1907 if (sizeof (gpointer) == 4 && (imt_table_bytes & 7)) {
1908 g_assert ((imt_table_bytes & 7) == 4);
1915 return (gpointer*) ((char*)mono_domain_alloc0 (domain, vtable_size) + alloc_offset);
1919 mono_class_create_runtime_vtable (MonoDomain *domain, MonoClass *class, gboolean raise_on_error)
1921 MONO_REQ_GC_UNSAFE_MODE;
1924 MonoClassRuntimeInfo *runtime_info, *old_info;
1925 MonoClassField *field;
1927 int i, vtable_slots;
1928 size_t imt_table_bytes;
1930 guint32 vtable_size, class_size;
1932 gpointer *interface_offsets;
1934 mono_loader_lock (); /*FIXME mono_class_init acquires it*/
1935 mono_domain_lock (domain);
1936 runtime_info = class->runtime_info;
1937 if (runtime_info && runtime_info->max_domain >= domain->domain_id && runtime_info->domain_vtables [domain->domain_id]) {
1938 mono_domain_unlock (domain);
1939 mono_loader_unlock ();
1940 return runtime_info->domain_vtables [domain->domain_id];
1942 if (!class->inited || class->exception_type) {
1943 if (!mono_class_init (class) || class->exception_type) {
1944 mono_domain_unlock (domain);
1945 mono_loader_unlock ();
1947 mono_raise_exception (mono_class_get_exception_for_failure (class));
1952 /* Array types require that their element type be valid*/
1953 if (class->byval_arg.type == MONO_TYPE_ARRAY || class->byval_arg.type == MONO_TYPE_SZARRAY) {
1954 MonoClass *element_class = class->element_class;
1955 if (!element_class->inited)
1956 mono_class_init (element_class);
1958 /*mono_class_init can leave the vtable layout to be lazily done and we can't afford this here*/
1959 if (element_class->exception_type == MONO_EXCEPTION_NONE && !element_class->vtable_size)
1960 mono_class_setup_vtable (element_class);
1962 if (element_class->exception_type != MONO_EXCEPTION_NONE) {
1963 /*Can happen if element_class only got bad after mono_class_setup_vtable*/
1964 if (class->exception_type == MONO_EXCEPTION_NONE)
1965 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
1966 mono_domain_unlock (domain);
1967 mono_loader_unlock ();
1969 mono_raise_exception (mono_class_get_exception_for_failure (class));
1975 * For some classes, mono_class_init () already computed class->vtable_size, and
1976 * that is all that is needed because of the vtable trampolines.
1978 if (!class->vtable_size)
1979 mono_class_setup_vtable (class);
1981 if (class->generic_class && !class->vtable)
1982 mono_class_check_vtable_constraints (class, NULL);
1984 /* Initialize klass->has_finalize */
1985 mono_class_has_finalizer (class);
1987 if (class->exception_type) {
1988 mono_domain_unlock (domain);
1989 mono_loader_unlock ();
1991 mono_raise_exception (mono_class_get_exception_for_failure (class));
1995 vtable_slots = class->vtable_size;
1996 /* we add an additional vtable slot to store the pointer to static field data only when needed */
1997 class_size = mono_class_data_size (class);
2001 if (class->interface_offsets_count) {
2002 imt_table_bytes = sizeof (gpointer) * (MONO_IMT_SIZE);
2003 mono_stats.imt_number_of_tables++;
2004 mono_stats.imt_tables_size += imt_table_bytes;
2006 imt_table_bytes = 0;
2009 vtable_size = imt_table_bytes + MONO_SIZEOF_VTABLE + vtable_slots * sizeof (gpointer);
2011 mono_stats.used_class_count++;
2012 mono_stats.class_vtable_size += vtable_size;
2014 interface_offsets = alloc_vtable (domain, vtable_size, imt_table_bytes);
2015 vt = (MonoVTable*) ((char*)interface_offsets + imt_table_bytes);
2016 g_assert (!((gsize)vt & 7));
2019 vt->rank = class->rank;
2020 vt->domain = domain;
2022 mono_class_compute_gc_descriptor (class);
2024 * We can't use typed allocation in the non-root domains, since the
2025 * collector needs the GC descriptor stored in the vtable even after
2026 * the mempool containing the vtable is destroyed when the domain is
2027 * unloaded. An alternative might be to allocate vtables in the GC
2028 * heap, but this does not seem to work (it leads to crashes inside
2029 * libgc). If that approach is tried, two gc descriptors need to be
2030 * allocated for each class: one for the root domain, and one for all
2031 * other domains. The second descriptor should contain a bit for the
2032 * vtable field in MonoObject, since we can no longer assume the
2033 * vtable is reachable by other roots after the appdomain is unloaded.
2035 #ifdef HAVE_BOEHM_GC
2036 if (domain != mono_get_root_domain () && !mono_dont_free_domains)
2037 vt->gc_descr = MONO_GC_DESCRIPTOR_NULL;
2040 vt->gc_descr = class->gc_descr;
2042 gc_bits = mono_gc_get_vtable_bits (class);
2043 g_assert (!(gc_bits & ~((1 << MONO_VTABLE_AVAILABLE_GC_BITS) - 1)));
2045 vt->gc_bits = gc_bits;
2048 /* we store the static field pointer at the end of the vtable: vt->vtable [class->vtable_size] */
2049 if (class->has_static_refs) {
2050 MonoGCDescriptor statics_gc_descr;
2052 gsize default_bitmap [4] = {0};
2055 bitmap = compute_class_bitmap (class, default_bitmap, sizeof (default_bitmap) * 8, 0, &max_set, TRUE);
2056 /*g_print ("bitmap 0x%x for %s.%s (size: %d)\n", bitmap [0], class->name_space, class->name, class_size);*/
2057 statics_gc_descr = mono_gc_make_descr_from_bitmap (bitmap, max_set + 1);
2058 vt->vtable [class->vtable_size] = mono_gc_alloc_fixed (class_size, statics_gc_descr, MONO_ROOT_SOURCE_STATIC, "managed static variables");
2059 mono_domain_add_class_static_data (domain, class, vt->vtable [class->vtable_size], NULL);
2060 if (bitmap != default_bitmap)
2063 vt->vtable [class->vtable_size] = mono_domain_alloc0 (domain, class_size);
2065 vt->has_static_fields = TRUE;
2066 mono_stats.class_static_data_size += class_size;
2070 while ((field = mono_class_get_fields (class, &iter))) {
2071 if (!(field->type->attrs & FIELD_ATTRIBUTE_STATIC))
2073 if (mono_field_is_deleted (field))
2075 if (!(field->type->attrs & FIELD_ATTRIBUTE_LITERAL)) {
2076 gint32 special_static = class->no_special_static_fields ? SPECIAL_STATIC_NONE : field_is_special_static (class, field);
2077 if (special_static != SPECIAL_STATIC_NONE) {
2078 guint32 size, offset;
2080 gsize default_bitmap [4] = {0};
2085 if (mono_type_is_reference (field->type)) {
2086 default_bitmap [0] = 1;
2088 bitmap = default_bitmap;
2089 } else if (mono_type_is_struct (field->type)) {
2090 fclass = mono_class_from_mono_type (field->type);
2091 bitmap = compute_class_bitmap (fclass, default_bitmap, sizeof (default_bitmap) * 8, - (int)(sizeof (MonoObject) / sizeof (gpointer)), &max_set, FALSE);
2092 numbits = max_set + 1;
2094 default_bitmap [0] = 0;
2096 bitmap = default_bitmap;
2098 size = mono_type_size (field->type, &align);
2099 offset = mono_alloc_special_static_data (special_static, size, align, (uintptr_t*)bitmap, numbits);
2100 if (!domain->special_static_fields)
2101 domain->special_static_fields = g_hash_table_new (NULL, NULL);
2102 g_hash_table_insert (domain->special_static_fields, field, GUINT_TO_POINTER (offset));
2103 if (bitmap != default_bitmap)
2106 * This marks the field as special static to speed up the
2107 * checks in mono_field_static_get/set_value ().
2113 if ((field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_RVA)) {
2114 MonoClass *fklass = mono_class_from_mono_type (field->type);
2115 const char *data = mono_field_get_data (field);
2117 g_assert (!(field->type->attrs & FIELD_ATTRIBUTE_HAS_DEFAULT));
2118 t = (char*)mono_vtable_get_static_field_data (vt) + field->offset;
2119 /* some fields don't really have rva, they are just zeroed (bss? bug #343083) */
2122 if (fklass->valuetype) {
2123 memcpy (t, data, mono_class_value_size (fklass, NULL));
2125 /* it's a pointer type: add check */
2126 g_assert ((fklass->byval_arg.type == MONO_TYPE_PTR) || (fklass->byval_arg.type == MONO_TYPE_FNPTR));
2133 vt->max_interface_id = class->max_interface_id;
2134 vt->interface_bitmap = class->interface_bitmap;
2136 //printf ("Initializing VT for class %s (interface_offsets_count = %d)\n",
2137 // class->name, class->interface_offsets_count);
2139 /* Initialize vtable */
2140 if (callbacks.get_vtable_trampoline) {
2141 // This also covers the AOT case
2142 for (i = 0; i < class->vtable_size; ++i) {
2143 vt->vtable [i] = callbacks.get_vtable_trampoline (i);
2146 mono_class_setup_vtable (class);
2148 for (i = 0; i < class->vtable_size; ++i) {
2151 if ((cm = class->vtable [i]))
2152 vt->vtable [i] = arch_create_jit_trampoline (cm);
2156 if (imt_table_bytes) {
2157 /* Now that the vtable is full, we can actually fill up the IMT */
2158 for (i = 0; i < MONO_IMT_SIZE; ++i)
2159 interface_offsets [i] = callbacks.get_imt_trampoline (i);
2163 * FIXME: Is it ok to allocate while holding the domain/loader locks ? If not, we can release them, allocate, then
2164 * re-acquire them and check if another thread has created the vtable in the meantime.
2166 /* Special case System.MonoType to avoid infinite recursion */
2167 if (class != mono_defaults.monotype_class) {
2168 /*FIXME check for OOM*/
2169 vt->type = mono_type_get_object (domain, &class->byval_arg);
2170 if (mono_object_get_class (vt->type) != mono_defaults.monotype_class)
2171 /* This is unregistered in
2172 unregister_vtable_reflection_type() in
2174 MONO_GC_REGISTER_ROOT_IF_MOVING(vt->type, MONO_ROOT_SOURCE_REFLECTION, "vtable reflection type");
2177 mono_vtable_set_is_remote (vt, mono_class_is_contextbound (class));
2179 /* class_vtable_array keeps an array of created vtables
2181 g_ptr_array_add (domain->class_vtable_array, vt);
2182 /* class->runtime_info is protected by the loader lock, both when
2183 * it it enlarged and when it is stored info.
2187 * Store the vtable in class->runtime_info.
2188 * class->runtime_info is accessed without locking, so this do this last after the vtable has been constructed.
2190 mono_memory_barrier ();
2192 old_info = class->runtime_info;
2193 if (old_info && old_info->max_domain >= domain->domain_id) {
2194 /* someone already created a large enough runtime info */
2195 old_info->domain_vtables [domain->domain_id] = vt;
2197 int new_size = domain->domain_id;
2199 new_size = MAX (new_size, old_info->max_domain);
2201 /* make the new size a power of two */
2203 while (new_size > i)
2206 /* this is a bounded memory retention issue: may want to
2207 * handle it differently when we'll have a rcu-like system.
2209 runtime_info = mono_image_alloc0 (class->image, MONO_SIZEOF_CLASS_RUNTIME_INFO + new_size * sizeof (gpointer));
2210 runtime_info->max_domain = new_size - 1;
2211 /* copy the stuff from the older info */
2213 memcpy (runtime_info->domain_vtables, old_info->domain_vtables, (old_info->max_domain + 1) * sizeof (gpointer));
2215 runtime_info->domain_vtables [domain->domain_id] = vt;
2217 mono_memory_barrier ();
2218 class->runtime_info = runtime_info;
2221 if (class == mono_defaults.monotype_class) {
2222 /*FIXME check for OOM*/
2223 vt->type = mono_type_get_object (domain, &class->byval_arg);
2224 if (mono_object_get_class (vt->type) != mono_defaults.monotype_class)
2225 /* This is unregistered in
2226 unregister_vtable_reflection_type() in
2228 MONO_GC_REGISTER_ROOT_IF_MOVING(vt->type, MONO_ROOT_SOURCE_REFLECTION, "vtable reflection type");
2231 mono_domain_unlock (domain);
2232 mono_loader_unlock ();
2234 /* make sure the parent is initialized */
2235 /*FIXME shouldn't this fail the current type?*/
2237 mono_class_vtable_full (domain, class->parent, raise_on_error);
2242 #ifndef DISABLE_REMOTING
2244 * mono_class_proxy_vtable:
2245 * @domain: the application domain
2246 * @remove_class: the remote class
2248 * Creates a vtable for transparent proxies. It is basically
2249 * a copy of the real vtable of the class wrapped in @remote_class,
2250 * but all function pointers invoke the remoting functions, and
2251 * vtable->klass points to the transparent proxy class, and not to @class.
2254 mono_class_proxy_vtable (MonoDomain *domain, MonoRemoteClass *remote_class, MonoRemotingTarget target_type)
2256 MONO_REQ_GC_UNSAFE_MODE;
2259 MonoVTable *vt, *pvt;
2260 int i, j, vtsize, max_interface_id, extra_interface_vtsize = 0;
2262 GSList *extra_interfaces = NULL;
2263 MonoClass *class = remote_class->proxy_class;
2264 gpointer *interface_offsets;
2267 size_t imt_table_bytes;
2269 #ifdef COMPRESSED_INTERFACE_BITMAP
2273 vt = mono_class_vtable (domain, class);
2274 g_assert (vt); /*FIXME property handle failure*/
2275 max_interface_id = vt->max_interface_id;
2277 /* Calculate vtable space for extra interfaces */
2278 for (j = 0; j < remote_class->interface_count; j++) {
2279 MonoClass* iclass = remote_class->interfaces[j];
2283 /*FIXME test for interfaces with variant generic arguments*/
2284 if (MONO_CLASS_IMPLEMENTS_INTERFACE (class, iclass->interface_id))
2285 continue; /* interface implemented by the class */
2286 if (g_slist_find (extra_interfaces, iclass))
2289 extra_interfaces = g_slist_prepend (extra_interfaces, iclass);
2291 method_count = mono_class_num_methods (iclass);
2293 ifaces = mono_class_get_implemented_interfaces (iclass, &error);
2294 g_assert (mono_error_ok (&error)); /*FIXME do proper error handling*/
2296 for (i = 0; i < ifaces->len; ++i) {
2297 MonoClass *ic = g_ptr_array_index (ifaces, i);
2298 /*FIXME test for interfaces with variant generic arguments*/
2299 if (MONO_CLASS_IMPLEMENTS_INTERFACE (class, ic->interface_id))
2300 continue; /* interface implemented by the class */
2301 if (g_slist_find (extra_interfaces, ic))
2303 extra_interfaces = g_slist_prepend (extra_interfaces, ic);
2304 method_count += mono_class_num_methods (ic);
2306 g_ptr_array_free (ifaces, TRUE);
2309 extra_interface_vtsize += method_count * sizeof (gpointer);
2310 if (iclass->max_interface_id > max_interface_id) max_interface_id = iclass->max_interface_id;
2313 imt_table_bytes = sizeof (gpointer) * MONO_IMT_SIZE;
2314 mono_stats.imt_number_of_tables++;
2315 mono_stats.imt_tables_size += imt_table_bytes;
2317 vtsize = imt_table_bytes + MONO_SIZEOF_VTABLE + class->vtable_size * sizeof (gpointer);
2319 mono_stats.class_vtable_size += vtsize + extra_interface_vtsize;
2321 interface_offsets = alloc_vtable (domain, vtsize + extra_interface_vtsize, imt_table_bytes);
2322 pvt = (MonoVTable*) ((char*)interface_offsets + imt_table_bytes);
2323 g_assert (!((gsize)pvt & 7));
2325 memcpy (pvt, vt, MONO_SIZEOF_VTABLE + class->vtable_size * sizeof (gpointer));
2327 pvt->klass = mono_defaults.transparent_proxy_class;
2328 /* we need to keep the GC descriptor for a transparent proxy or we confuse the precise GC */
2329 pvt->gc_descr = mono_defaults.transparent_proxy_class->gc_descr;
2331 /* initialize vtable */
2332 mono_class_setup_vtable (class);
2333 for (i = 0; i < class->vtable_size; ++i) {
2336 if ((cm = class->vtable [i]))
2337 pvt->vtable [i] = arch_create_remoting_trampoline (domain, cm, target_type);
2339 pvt->vtable [i] = NULL;
2342 if (class->flags & TYPE_ATTRIBUTE_ABSTRACT) {
2343 /* create trampolines for abstract methods */
2344 for (k = class; k; k = k->parent) {
2346 gpointer iter = NULL;
2347 while ((m = mono_class_get_methods (k, &iter)))
2348 if (!pvt->vtable [m->slot])
2349 pvt->vtable [m->slot] = arch_create_remoting_trampoline (domain, m, target_type);
2353 pvt->max_interface_id = max_interface_id;
2354 bsize = sizeof (guint8) * (max_interface_id/8 + 1 );
2355 #ifdef COMPRESSED_INTERFACE_BITMAP
2356 bitmap = g_malloc0 (bsize);
2358 bitmap = mono_domain_alloc0 (domain, bsize);
2361 for (i = 0; i < class->interface_offsets_count; ++i) {
2362 int interface_id = class->interfaces_packed [i]->interface_id;
2363 bitmap [interface_id >> 3] |= (1 << (interface_id & 7));
2366 if (extra_interfaces) {
2367 int slot = class->vtable_size;
2373 /* Create trampolines for the methods of the interfaces */
2374 for (list_item = extra_interfaces; list_item != NULL; list_item=list_item->next) {
2375 interf = list_item->data;
2377 bitmap [interf->interface_id >> 3] |= (1 << (interf->interface_id & 7));
2381 while ((cm = mono_class_get_methods (interf, &iter)))
2382 pvt->vtable [slot + j++] = arch_create_remoting_trampoline (domain, cm, target_type);
2384 slot += mono_class_num_methods (interf);
2388 /* Now that the vtable is full, we can actually fill up the IMT */
2389 build_imt (class, pvt, domain, interface_offsets, extra_interfaces);
2390 if (extra_interfaces) {
2391 g_slist_free (extra_interfaces);
2394 #ifdef COMPRESSED_INTERFACE_BITMAP
2395 bcsize = mono_compress_bitmap (NULL, bitmap, bsize);
2396 pvt->interface_bitmap = mono_domain_alloc0 (domain, bcsize);
2397 mono_compress_bitmap (pvt->interface_bitmap, bitmap, bsize);
2400 pvt->interface_bitmap = bitmap;
2405 #endif /* DISABLE_REMOTING */
2408 * mono_class_field_is_special_static:
2410 * Returns whether @field is a thread/context static field.
2413 mono_class_field_is_special_static (MonoClassField *field)
2415 MONO_REQ_GC_NEUTRAL_MODE
2417 if (!(field->type->attrs & FIELD_ATTRIBUTE_STATIC))
2419 if (mono_field_is_deleted (field))
2421 if (!(field->type->attrs & FIELD_ATTRIBUTE_LITERAL)) {
2422 if (field->offset == -1)
2424 if (field_is_special_static (field->parent, field) != SPECIAL_STATIC_NONE)
2431 * mono_class_field_get_special_static_type:
2432 * @field: The MonoClassField describing the field.
2434 * Returns: SPECIAL_STATIC_THREAD if the field is thread static, SPECIAL_STATIC_CONTEXT if it is context static,
2435 * SPECIAL_STATIC_NONE otherwise.
2438 mono_class_field_get_special_static_type (MonoClassField *field)
2440 MONO_REQ_GC_NEUTRAL_MODE
2442 if (!(field->type->attrs & FIELD_ATTRIBUTE_STATIC))
2443 return SPECIAL_STATIC_NONE;
2444 if (mono_field_is_deleted (field))
2445 return SPECIAL_STATIC_NONE;
2446 if (!(field->type->attrs & FIELD_ATTRIBUTE_LITERAL))
2447 return field_is_special_static (field->parent, field);
2448 return SPECIAL_STATIC_NONE;
2452 * mono_class_has_special_static_fields:
2454 * Returns whenever @klass has any thread/context static fields.
2457 mono_class_has_special_static_fields (MonoClass *klass)
2459 MONO_REQ_GC_NEUTRAL_MODE
2461 MonoClassField *field;
2465 while ((field = mono_class_get_fields (klass, &iter))) {
2466 g_assert (field->parent == klass);
2467 if (mono_class_field_is_special_static (field))
2474 #ifndef DISABLE_REMOTING
2476 * create_remote_class_key:
2477 * Creates an array of pointers that can be used as a hash key for a remote class.
2478 * The first element of the array is the number of pointers.
2481 create_remote_class_key (MonoRemoteClass *remote_class, MonoClass *extra_class)
2483 MONO_REQ_GC_NEUTRAL_MODE;
2488 if (remote_class == NULL) {
2489 if (extra_class->flags & TYPE_ATTRIBUTE_INTERFACE) {
2490 key = g_malloc (sizeof(gpointer) * 3);
2491 key [0] = GINT_TO_POINTER (2);
2492 key [1] = mono_defaults.marshalbyrefobject_class;
2493 key [2] = extra_class;
2495 key = g_malloc (sizeof(gpointer) * 2);
2496 key [0] = GINT_TO_POINTER (1);
2497 key [1] = extra_class;
2500 if (extra_class != NULL && (extra_class->flags & TYPE_ATTRIBUTE_INTERFACE)) {
2501 key = g_malloc (sizeof(gpointer) * (remote_class->interface_count + 3));
2502 key [0] = GINT_TO_POINTER (remote_class->interface_count + 2);
2503 key [1] = remote_class->proxy_class;
2505 // Keep the list of interfaces sorted
2506 for (i = 0, j = 2; i < remote_class->interface_count; i++, j++) {
2507 if (extra_class && remote_class->interfaces [i] > extra_class) {
2508 key [j++] = extra_class;
2511 key [j] = remote_class->interfaces [i];
2514 key [j] = extra_class;
2516 // Replace the old class. The interface list is the same
2517 key = g_malloc (sizeof(gpointer) * (remote_class->interface_count + 2));
2518 key [0] = GINT_TO_POINTER (remote_class->interface_count + 1);
2519 key [1] = extra_class != NULL ? extra_class : remote_class->proxy_class;
2520 for (i = 0; i < remote_class->interface_count; i++)
2521 key [2 + i] = remote_class->interfaces [i];
2529 * copy_remote_class_key:
2531 * Make a copy of KEY in the domain and return the copy.
2534 copy_remote_class_key (MonoDomain *domain, gpointer *key)
2536 MONO_REQ_GC_NEUTRAL_MODE
2538 int key_size = (GPOINTER_TO_UINT (key [0]) + 1) * sizeof (gpointer);
2539 gpointer *mp_key = mono_domain_alloc (domain, key_size);
2541 memcpy (mp_key, key, key_size);
2547 * mono_remote_class:
2548 * @domain: the application domain
2549 * @class_name: name of the remote class
2551 * Creates and initializes a MonoRemoteClass object for a remote type.
2553 * Can raise an exception on failure.
2556 mono_remote_class (MonoDomain *domain, MonoString *class_name, MonoClass *proxy_class)
2558 MONO_REQ_GC_UNSAFE_MODE;
2561 MonoRemoteClass *rc;
2562 gpointer* key, *mp_key;
2565 key = create_remote_class_key (NULL, proxy_class);
2567 mono_domain_lock (domain);
2568 rc = g_hash_table_lookup (domain->proxy_vtable_hash, key);
2572 mono_domain_unlock (domain);
2576 name = mono_string_to_utf8_mp (domain->mp, class_name, &error);
2577 if (!mono_error_ok (&error)) {
2579 mono_domain_unlock (domain);
2580 mono_error_raise_exception (&error);
2583 mp_key = copy_remote_class_key (domain, key);
2587 if (proxy_class->flags & TYPE_ATTRIBUTE_INTERFACE) {
2588 rc = mono_domain_alloc (domain, MONO_SIZEOF_REMOTE_CLASS + sizeof(MonoClass*));
2589 rc->interface_count = 1;
2590 rc->interfaces [0] = proxy_class;
2591 rc->proxy_class = mono_defaults.marshalbyrefobject_class;
2593 rc = mono_domain_alloc (domain, MONO_SIZEOF_REMOTE_CLASS);
2594 rc->interface_count = 0;
2595 rc->proxy_class = proxy_class;
2598 rc->default_vtable = NULL;
2599 rc->xdomain_vtable = NULL;
2600 rc->proxy_class_name = name;
2601 #ifndef DISABLE_PERFCOUNTERS
2602 mono_perfcounters->loader_bytes += mono_string_length (class_name) + 1;
2605 g_hash_table_insert (domain->proxy_vtable_hash, key, rc);
2607 mono_domain_unlock (domain);
2612 * clone_remote_class:
2613 * Creates a copy of the remote_class, adding the provided class or interface
2615 static MonoRemoteClass*
2616 clone_remote_class (MonoDomain *domain, MonoRemoteClass* remote_class, MonoClass *extra_class)
2618 MONO_REQ_GC_NEUTRAL_MODE;
2620 MonoRemoteClass *rc;
2621 gpointer* key, *mp_key;
2623 key = create_remote_class_key (remote_class, extra_class);
2624 rc = g_hash_table_lookup (domain->proxy_vtable_hash, key);
2630 mp_key = copy_remote_class_key (domain, key);
2634 if (extra_class->flags & TYPE_ATTRIBUTE_INTERFACE) {
2636 rc = mono_domain_alloc (domain, MONO_SIZEOF_REMOTE_CLASS + sizeof(MonoClass*) * (remote_class->interface_count + 1));
2637 rc->proxy_class = remote_class->proxy_class;
2638 rc->interface_count = remote_class->interface_count + 1;
2640 // Keep the list of interfaces sorted, since the hash key of
2641 // the remote class depends on this
2642 for (i = 0, j = 0; i < remote_class->interface_count; i++, j++) {
2643 if (remote_class->interfaces [i] > extra_class && i == j)
2644 rc->interfaces [j++] = extra_class;
2645 rc->interfaces [j] = remote_class->interfaces [i];
2648 rc->interfaces [j] = extra_class;
2650 // Replace the old class. The interface array is the same
2651 rc = mono_domain_alloc (domain, MONO_SIZEOF_REMOTE_CLASS + sizeof(MonoClass*) * remote_class->interface_count);
2652 rc->proxy_class = extra_class;
2653 rc->interface_count = remote_class->interface_count;
2654 if (rc->interface_count > 0)
2655 memcpy (rc->interfaces, remote_class->interfaces, rc->interface_count * sizeof (MonoClass*));
2658 rc->default_vtable = NULL;
2659 rc->xdomain_vtable = NULL;
2660 rc->proxy_class_name = remote_class->proxy_class_name;
2662 g_hash_table_insert (domain->proxy_vtable_hash, key, rc);
2668 mono_remote_class_vtable (MonoDomain *domain, MonoRemoteClass *remote_class, MonoRealProxy *rp)
2670 MONO_REQ_GC_UNSAFE_MODE;
2672 mono_loader_lock (); /*FIXME mono_class_from_mono_type and mono_class_proxy_vtable take it*/
2673 mono_domain_lock (domain);
2674 if (rp->target_domain_id != -1) {
2675 if (remote_class->xdomain_vtable == NULL)
2676 remote_class->xdomain_vtable = mono_class_proxy_vtable (domain, remote_class, MONO_REMOTING_TARGET_APPDOMAIN);
2677 mono_domain_unlock (domain);
2678 mono_loader_unlock ();
2679 return remote_class->xdomain_vtable;
2681 if (remote_class->default_vtable == NULL) {
2684 type = ((MonoReflectionType *)rp->class_to_proxy)->type;
2685 klass = mono_class_from_mono_type (type);
2687 if ((mono_class_is_com_object (klass) || (mono_class_get_com_object_class () && klass == mono_class_get_com_object_class ())) && !mono_vtable_is_remote (mono_class_vtable (mono_domain_get (), klass)))
2688 remote_class->default_vtable = mono_class_proxy_vtable (domain, remote_class, MONO_REMOTING_TARGET_COMINTEROP);
2691 remote_class->default_vtable = mono_class_proxy_vtable (domain, remote_class, MONO_REMOTING_TARGET_UNKNOWN);
2694 mono_domain_unlock (domain);
2695 mono_loader_unlock ();
2696 return remote_class->default_vtable;
2700 * mono_upgrade_remote_class:
2701 * @domain: the application domain
2702 * @tproxy: the proxy whose remote class has to be upgraded.
2703 * @klass: class to which the remote class can be casted.
2705 * Updates the vtable of the remote class by adding the necessary method slots
2706 * and interface offsets so it can be safely casted to klass. klass can be a
2707 * class or an interface.
2710 mono_upgrade_remote_class (MonoDomain *domain, MonoObject *proxy_object, MonoClass *klass)
2712 MONO_REQ_GC_UNSAFE_MODE;
2714 MonoTransparentProxy *tproxy;
2715 MonoRemoteClass *remote_class;
2716 gboolean redo_vtable;
2718 mono_loader_lock (); /*FIXME mono_remote_class_vtable requires it.*/
2719 mono_domain_lock (domain);
2721 tproxy = (MonoTransparentProxy*) proxy_object;
2722 remote_class = tproxy->remote_class;
2724 if (klass->flags & TYPE_ATTRIBUTE_INTERFACE) {
2727 for (i = 0; i < remote_class->interface_count && redo_vtable; i++)
2728 if (remote_class->interfaces [i] == klass)
2729 redo_vtable = FALSE;
2732 redo_vtable = (remote_class->proxy_class != klass);
2736 tproxy->remote_class = clone_remote_class (domain, remote_class, klass);
2737 proxy_object->vtable = mono_remote_class_vtable (domain, tproxy->remote_class, tproxy->rp);
2740 mono_domain_unlock (domain);
2741 mono_loader_unlock ();
2743 #endif /* DISABLE_REMOTING */
2747 * mono_object_get_virtual_method:
2748 * @obj: object to operate on.
2751 * Retrieves the MonoMethod that would be called on obj if obj is passed as
2752 * the instance of a callvirt of method.
2755 mono_object_get_virtual_method (MonoObject *obj, MonoMethod *method)
2757 MONO_REQ_GC_UNSAFE_MODE;
2760 MonoMethod **vtable;
2761 gboolean is_proxy = FALSE;
2762 MonoMethod *res = NULL;
2764 klass = mono_object_class (obj);
2765 #ifndef DISABLE_REMOTING
2766 if (klass == mono_defaults.transparent_proxy_class) {
2767 klass = ((MonoTransparentProxy *)obj)->remote_class->proxy_class;
2772 if (!is_proxy && ((method->flags & METHOD_ATTRIBUTE_FINAL) || !(method->flags & METHOD_ATTRIBUTE_VIRTUAL)))
2775 mono_class_setup_vtable (klass);
2776 vtable = klass->vtable;
2778 if (method->slot == -1) {
2779 /* method->slot might not be set for instances of generic methods */
2780 if (method->is_inflated) {
2781 g_assert (((MonoMethodInflated*)method)->declaring->slot != -1);
2782 method->slot = ((MonoMethodInflated*)method)->declaring->slot;
2785 g_assert_not_reached ();
2789 /* check method->slot is a valid index: perform isinstance? */
2790 if (method->slot != -1) {
2791 if (method->klass->flags & TYPE_ATTRIBUTE_INTERFACE) {
2793 gboolean variance_used = FALSE;
2794 int iface_offset = mono_class_interface_offset_with_variance (klass, method->klass, &variance_used);
2795 g_assert (iface_offset > 0);
2796 res = vtable [iface_offset + method->slot];
2799 res = vtable [method->slot];
2803 #ifndef DISABLE_REMOTING
2805 /* It may be an interface, abstract class method or generic method */
2806 if (!res || mono_method_signature (res)->generic_param_count)
2809 /* generic methods demand invoke_with_check */
2810 if (mono_method_signature (res)->generic_param_count)
2811 res = mono_marshal_get_remoting_invoke_with_check (res);
2814 if (klass == mono_class_get_com_object_class () || mono_class_is_com_object (klass))
2815 res = mono_cominterop_get_invoke (res);
2818 res = mono_marshal_get_remoting_invoke (res);
2823 if (method->is_inflated) {
2825 /* Have to inflate the result */
2826 res = mono_class_inflate_generic_method_checked (res, &((MonoMethodInflated*)method)->context, &error);
2827 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
2837 dummy_mono_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
2839 g_error ("runtime invoke called on uninitialized runtime");
2843 static MonoInvokeFunc default_mono_runtime_invoke = dummy_mono_runtime_invoke;
2846 * mono_runtime_invoke:
2847 * @method: method to invoke
2848 * @obJ: object instance
2849 * @params: arguments to the method
2850 * @exc: exception information.
2852 * Invokes the method represented by @method on the object @obj.
2854 * obj is the 'this' pointer, it should be NULL for static
2855 * methods, a MonoObject* for object instances and a pointer to
2856 * the value type for value types.
2858 * The params array contains the arguments to the method with the
2859 * same convention: MonoObject* pointers for object instances and
2860 * pointers to the value type otherwise.
2862 * From unmanaged code you'll usually use the
2863 * mono_runtime_invoke() variant.
2865 * Note that this function doesn't handle virtual methods for
2866 * you, it will exec the exact method you pass: we still need to
2867 * expose a function to lookup the derived class implementation
2868 * of a virtual method (there are examples of this in the code,
2871 * You can pass NULL as the exc argument if you don't want to
2872 * catch exceptions, otherwise, *exc will be set to the exception
2873 * thrown, if any. if an exception is thrown, you can't use the
2874 * MonoObject* result from the function.
2876 * If the method returns a value type, it is boxed in an object
2880 mono_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
2882 MONO_REQ_GC_UNSAFE_MODE;
2886 if (mono_runtime_get_no_exec ())
2887 g_warning ("Invoking method '%s' when running in no-exec mode.\n", mono_method_full_name (method, TRUE));
2889 if (mono_profiler_get_events () & MONO_PROFILE_METHOD_EVENTS)
2890 mono_profiler_method_start_invoke (method);
2892 result = default_mono_runtime_invoke (method, obj, params, exc);
2894 if (mono_profiler_get_events () & MONO_PROFILE_METHOD_EVENTS)
2895 mono_profiler_method_end_invoke (method);
2901 * mono_method_get_unmanaged_thunk:
2902 * @method: method to generate a thunk for.
2904 * Returns an unmanaged->managed thunk that can be used to call
2905 * a managed method directly from C.
2907 * The thunk's C signature closely matches the managed signature:
2909 * C#: public bool Equals (object obj);
2910 * C: typedef MonoBoolean (*Equals)(MonoObject*,
2911 * MonoObject*, MonoException**);
2913 * The 1st ("this") parameter must not be used with static methods:
2915 * C#: public static bool ReferenceEquals (object a, object b);
2916 * C: typedef MonoBoolean (*ReferenceEquals)(MonoObject*, MonoObject*,
2919 * The last argument must be a non-null pointer of a MonoException* pointer.
2920 * It has "out" semantics. After invoking the thunk, *ex will be NULL if no
2921 * exception has been thrown in managed code. Otherwise it will point
2922 * to the MonoException* caught by the thunk. In this case, the result of
2923 * the thunk is undefined:
2925 * MonoMethod *method = ... // MonoMethod* of System.Object.Equals
2926 * MonoException *ex = NULL;
2927 * Equals func = mono_method_get_unmanaged_thunk (method);
2928 * MonoBoolean res = func (thisObj, objToCompare, &ex);
2930 * // handle exception
2933 * The calling convention of the thunk matches the platform's default
2934 * convention. This means that under Windows, C declarations must
2935 * contain the __stdcall attribute:
2937 * C: typedef MonoBoolean (__stdcall *Equals)(MonoObject*,
2938 * MonoObject*, MonoException**);
2942 * Value type arguments and return values are treated as they were objects:
2944 * C#: public static Rectangle Intersect (Rectangle a, Rectangle b);
2945 * C: typedef MonoObject* (*Intersect)(MonoObject*, MonoObject*, MonoException**);
2947 * Arguments must be properly boxed upon trunk's invocation, while return
2948 * values must be unboxed.
2951 mono_method_get_unmanaged_thunk (MonoMethod *method)
2953 MONO_REQ_GC_NEUTRAL_MODE;
2954 MONO_REQ_API_ENTRYPOINT;
2958 MONO_PREPARE_RESET_BLOCKING
2959 method = mono_marshal_get_thunk_invoke_wrapper (method);
2960 res = mono_compile_method (method);
2961 MONO_FINISH_RESET_BLOCKING
2967 mono_copy_value (MonoType *type, void *dest, void *value, int deref_pointer)
2969 MONO_REQ_GC_UNSAFE_MODE;
2973 /* object fields cannot be byref, so we don't need a
2975 gpointer *p = (gpointer*)dest;
2982 case MONO_TYPE_BOOLEAN:
2984 case MONO_TYPE_U1: {
2985 guint8 *p = (guint8*)dest;
2986 *p = value ? *(guint8*)value : 0;
2991 case MONO_TYPE_CHAR: {
2992 guint16 *p = (guint16*)dest;
2993 *p = value ? *(guint16*)value : 0;
2996 #if SIZEOF_VOID_P == 4
3001 case MONO_TYPE_U4: {
3002 gint32 *p = (gint32*)dest;
3003 *p = value ? *(gint32*)value : 0;
3006 #if SIZEOF_VOID_P == 8
3011 case MONO_TYPE_U8: {
3012 gint64 *p = (gint64*)dest;
3013 *p = value ? *(gint64*)value : 0;
3016 case MONO_TYPE_R4: {
3017 float *p = (float*)dest;
3018 *p = value ? *(float*)value : 0;
3021 case MONO_TYPE_R8: {
3022 double *p = (double*)dest;
3023 *p = value ? *(double*)value : 0;
3026 case MONO_TYPE_STRING:
3027 case MONO_TYPE_SZARRAY:
3028 case MONO_TYPE_CLASS:
3029 case MONO_TYPE_OBJECT:
3030 case MONO_TYPE_ARRAY:
3031 mono_gc_wbarrier_generic_store (dest, deref_pointer? *(gpointer*)value: value);
3033 case MONO_TYPE_FNPTR:
3034 case MONO_TYPE_PTR: {
3035 gpointer *p = (gpointer*)dest;
3036 *p = deref_pointer? *(gpointer*)value: value;
3039 case MONO_TYPE_VALUETYPE:
3040 /* note that 't' and 'type->type' can be different */
3041 if (type->type == MONO_TYPE_VALUETYPE && type->data.klass->enumtype) {
3042 t = mono_class_enum_basetype (type->data.klass)->type;
3045 MonoClass *class = mono_class_from_mono_type (type);
3046 int size = mono_class_value_size (class, NULL);
3048 mono_gc_bzero_atomic (dest, size);
3050 mono_gc_wbarrier_value_copy (dest, value, 1, class);
3053 case MONO_TYPE_GENERICINST:
3054 t = type->data.generic_class->container_class->byval_arg.type;
3057 g_error ("got type %x", type->type);
3062 * mono_field_set_value:
3063 * @obj: Instance object
3064 * @field: MonoClassField describing the field to set
3065 * @value: The value to be set
3067 * Sets the value of the field described by @field in the object instance @obj
3068 * to the value passed in @value. This method should only be used for instance
3069 * fields. For static fields, use mono_field_static_set_value.
3071 * The value must be on the native format of the field type.
3074 mono_field_set_value (MonoObject *obj, MonoClassField *field, void *value)
3076 MONO_REQ_GC_UNSAFE_MODE;
3080 g_return_if_fail (!(field->type->attrs & FIELD_ATTRIBUTE_STATIC));
3082 dest = (char*)obj + field->offset;
3083 mono_copy_value (field->type, dest, value, FALSE);
3087 * mono_field_static_set_value:
3088 * @field: MonoClassField describing the field to set
3089 * @value: The value to be set
3091 * Sets the value of the static field described by @field
3092 * to the value passed in @value.
3094 * The value must be on the native format of the field type.
3097 mono_field_static_set_value (MonoVTable *vt, MonoClassField *field, void *value)
3099 MONO_REQ_GC_UNSAFE_MODE;
3103 g_return_if_fail (field->type->attrs & FIELD_ATTRIBUTE_STATIC);
3104 /* you cant set a constant! */
3105 g_return_if_fail (!(field->type->attrs & FIELD_ATTRIBUTE_LITERAL));
3107 if (field->offset == -1) {
3108 /* Special static */
3111 mono_domain_lock (vt->domain);
3112 addr = g_hash_table_lookup (vt->domain->special_static_fields, field);
3113 mono_domain_unlock (vt->domain);
3114 dest = mono_get_special_static_data (GPOINTER_TO_UINT (addr));
3116 dest = (char*)mono_vtable_get_static_field_data (vt) + field->offset;
3118 mono_copy_value (field->type, dest, value, FALSE);
3122 * mono_vtable_get_static_field_data:
3124 * Internal use function: return a pointer to the memory holding the static fields
3125 * for a class or NULL if there are no static fields.
3126 * This is exported only for use by the debugger.
3129 mono_vtable_get_static_field_data (MonoVTable *vt)
3131 MONO_REQ_GC_NEUTRAL_MODE
3133 if (!vt->has_static_fields)
3135 return vt->vtable [vt->klass->vtable_size];
3139 mono_field_get_addr (MonoObject *obj, MonoVTable *vt, MonoClassField *field)
3141 MONO_REQ_GC_UNSAFE_MODE;
3145 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC) {
3146 if (field->offset == -1) {
3147 /* Special static */
3150 mono_domain_lock (vt->domain);
3151 addr = g_hash_table_lookup (vt->domain->special_static_fields, field);
3152 mono_domain_unlock (vt->domain);
3153 src = mono_get_special_static_data (GPOINTER_TO_UINT (addr));
3155 src = (guint8*)mono_vtable_get_static_field_data (vt) + field->offset;
3158 src = (guint8*)obj + field->offset;
3165 * mono_field_get_value:
3166 * @obj: Object instance
3167 * @field: MonoClassField describing the field to fetch information from
3168 * @value: pointer to the location where the value will be stored
3170 * Use this routine to get the value of the field @field in the object
3173 * The pointer provided by value must be of the field type, for reference
3174 * types this is a MonoObject*, for value types its the actual pointer to
3179 * mono_field_get_value (obj, int_field, &i);
3182 mono_field_get_value (MonoObject *obj, MonoClassField *field, void *value)
3184 MONO_REQ_GC_UNSAFE_MODE;
3190 g_return_if_fail (!(field->type->attrs & FIELD_ATTRIBUTE_STATIC));
3192 src = (char*)obj + field->offset;
3193 mono_copy_value (field->type, value, src, TRUE);
3197 * mono_field_get_value_object:
3198 * @domain: domain where the object will be created (if boxing)
3199 * @field: MonoClassField describing the field to fetch information from
3200 * @obj: The object instance for the field.
3202 * Returns: a new MonoObject with the value from the given field. If the
3203 * field represents a value type, the value is boxed.
3207 mono_field_get_value_object (MonoDomain *domain, MonoClassField *field, MonoObject *obj)
3209 MONO_REQ_GC_UNSAFE_MODE;
3213 MonoVTable *vtable = NULL;
3215 gboolean is_static = FALSE;
3216 gboolean is_ref = FALSE;
3217 gboolean is_literal = FALSE;
3218 gboolean is_ptr = FALSE;
3220 MonoType *type = mono_field_get_type_checked (field, &error);
3222 if (!mono_error_ok (&error))
3223 mono_error_raise_exception (&error);
3225 switch (type->type) {
3226 case MONO_TYPE_STRING:
3227 case MONO_TYPE_OBJECT:
3228 case MONO_TYPE_CLASS:
3229 case MONO_TYPE_ARRAY:
3230 case MONO_TYPE_SZARRAY:
3235 case MONO_TYPE_BOOLEAN:
3238 case MONO_TYPE_CHAR:
3247 case MONO_TYPE_VALUETYPE:
3248 is_ref = type->byref;
3250 case MONO_TYPE_GENERICINST:
3251 is_ref = !mono_type_generic_inst_is_valuetype (type);
3257 g_error ("type 0x%x not handled in "
3258 "mono_field_get_value_object", type->type);
3262 if (type->attrs & FIELD_ATTRIBUTE_LITERAL)
3265 if (type->attrs & FIELD_ATTRIBUTE_STATIC) {
3269 vtable = mono_class_vtable_full (domain, field->parent, TRUE);
3270 if (!vtable->initialized)
3271 mono_runtime_class_init (vtable);
3279 get_default_field_value (domain, field, &o);
3280 } else if (is_static) {
3281 mono_field_static_get_value (vtable, field, &o);
3283 mono_field_get_value (obj, field, &o);
3289 static MonoMethod *m;
3295 MonoClass *ptr_klass = mono_class_from_name_cached (mono_defaults.corlib, "System.Reflection", "Pointer");
3296 m = mono_class_get_method_from_name_flags (ptr_klass, "Box", 2, METHOD_ATTRIBUTE_STATIC);
3302 get_default_field_value (domain, field, v);
3303 } else if (is_static) {
3304 mono_field_static_get_value (vtable, field, v);
3306 mono_field_get_value (obj, field, v);
3309 /* MONO_TYPE_PTR is passed by value to runtime_invoke () */
3310 args [0] = ptr ? *ptr : NULL;
3311 args [1] = mono_type_get_object (mono_domain_get (), type);
3313 return mono_runtime_invoke (m, NULL, args, NULL);
3316 /* boxed value type */
3317 klass = mono_class_from_mono_type (type);
3319 if (mono_class_is_nullable (klass))
3320 return mono_nullable_box (mono_field_get_addr (obj, vtable, field), klass);
3322 o = mono_object_new (domain, klass);
3323 v = ((gchar *) o) + sizeof (MonoObject);
3326 get_default_field_value (domain, field, v);
3327 } else if (is_static) {
3328 mono_field_static_get_value (vtable, field, v);
3330 mono_field_get_value (obj, field, v);
3337 mono_get_constant_value_from_blob (MonoDomain* domain, MonoTypeEnum type, const char *blob, void *value)
3339 MONO_REQ_GC_UNSAFE_MODE;
3342 const char *p = blob;
3343 mono_metadata_decode_blob_size (p, &p);
3346 case MONO_TYPE_BOOLEAN:
3349 *(guint8 *) value = *p;
3351 case MONO_TYPE_CHAR:
3354 *(guint16*) value = read16 (p);
3358 *(guint32*) value = read32 (p);
3362 *(guint64*) value = read64 (p);
3365 readr4 (p, (float*) value);
3368 readr8 (p, (double*) value);
3370 case MONO_TYPE_STRING:
3371 *(gpointer*) value = mono_ldstr_metadata_sig (domain, blob);
3373 case MONO_TYPE_CLASS:
3374 *(gpointer*) value = NULL;
3378 g_warning ("type 0x%02x should not be in constant table", type);
3384 get_default_field_value (MonoDomain* domain, MonoClassField *field, void *value)
3386 MONO_REQ_GC_NEUTRAL_MODE;
3388 MonoTypeEnum def_type;
3391 data = mono_class_get_field_default_value (field, &def_type);
3392 mono_get_constant_value_from_blob (domain, def_type, data, value);
3396 mono_field_static_get_value_for_thread (MonoInternalThread *thread, MonoVTable *vt, MonoClassField *field, void *value)
3398 MONO_REQ_GC_UNSAFE_MODE;
3402 g_return_if_fail (field->type->attrs & FIELD_ATTRIBUTE_STATIC);
3404 if (field->type->attrs & FIELD_ATTRIBUTE_LITERAL) {
3405 get_default_field_value (vt->domain, field, value);
3409 if (field->offset == -1) {
3410 /* Special static */
3411 gpointer addr = g_hash_table_lookup (vt->domain->special_static_fields, field);
3412 src = mono_get_special_static_data_for_thread (thread, GPOINTER_TO_UINT (addr));
3414 src = (char*)mono_vtable_get_static_field_data (vt) + field->offset;
3416 mono_copy_value (field->type, value, src, TRUE);
3420 * mono_field_static_get_value:
3421 * @vt: vtable to the object
3422 * @field: MonoClassField describing the field to fetch information from
3423 * @value: where the value is returned
3425 * Use this routine to get the value of the static field @field value.
3427 * The pointer provided by value must be of the field type, for reference
3428 * types this is a MonoObject*, for value types its the actual pointer to
3433 * mono_field_static_get_value (vt, int_field, &i);
3436 mono_field_static_get_value (MonoVTable *vt, MonoClassField *field, void *value)
3438 MONO_REQ_GC_NEUTRAL_MODE;
3440 mono_field_static_get_value_for_thread (mono_thread_internal_current (), vt, field, value);
3444 * mono_property_set_value:
3445 * @prop: MonoProperty to set
3446 * @obj: instance object on which to act
3447 * @params: parameters to pass to the propery
3448 * @exc: optional exception
3450 * Invokes the property's set method with the given arguments on the
3451 * object instance obj (or NULL for static properties).
3453 * You can pass NULL as the exc argument if you don't want to
3454 * catch exceptions, otherwise, *exc will be set to the exception
3455 * thrown, if any. if an exception is thrown, you can't use the
3456 * MonoObject* result from the function.
3459 mono_property_set_value (MonoProperty *prop, void *obj, void **params, MonoObject **exc)
3461 MONO_REQ_GC_UNSAFE_MODE;
3463 default_mono_runtime_invoke (prop->set, obj, params, exc);
3467 * mono_property_get_value:
3468 * @prop: MonoProperty to fetch
3469 * @obj: instance object on which to act
3470 * @params: parameters to pass to the propery
3471 * @exc: optional exception
3473 * Invokes the property's get method with the given arguments on the
3474 * object instance obj (or NULL for static properties).
3476 * You can pass NULL as the exc argument if you don't want to
3477 * catch exceptions, otherwise, *exc will be set to the exception
3478 * thrown, if any. if an exception is thrown, you can't use the
3479 * MonoObject* result from the function.
3481 * Returns: the value from invoking the get method on the property.
3484 mono_property_get_value (MonoProperty *prop, void *obj, void **params, MonoObject **exc)
3486 MONO_REQ_GC_UNSAFE_MODE;
3488 return default_mono_runtime_invoke (prop->get, obj, params, exc);
3492 * mono_nullable_init:
3493 * @buf: The nullable structure to initialize.
3494 * @value: the value to initialize from
3495 * @klass: the type for the object
3497 * Initialize the nullable structure pointed to by @buf from @value which
3498 * should be a boxed value type. The size of @buf should be able to hold
3499 * as much data as the @klass->instance_size (which is the number of bytes
3500 * that will be copies).
3502 * Since Nullables have variable structure, we can not define a C
3503 * structure for them.
3506 mono_nullable_init (guint8 *buf, MonoObject *value, MonoClass *klass)
3508 MONO_REQ_GC_UNSAFE_MODE;
3510 MonoClass *param_class = klass->cast_class;
3512 mono_class_setup_fields_locking (klass);
3513 g_assert (klass->fields_inited);
3515 g_assert (mono_class_from_mono_type (klass->fields [0].type) == param_class);
3516 g_assert (mono_class_from_mono_type (klass->fields [1].type) == mono_defaults.boolean_class);
3518 *(guint8*)(buf + klass->fields [1].offset - sizeof (MonoObject)) = value ? 1 : 0;
3520 if (param_class->has_references)
3521 mono_gc_wbarrier_value_copy (buf + klass->fields [0].offset - sizeof (MonoObject), mono_object_unbox (value), 1, param_class);
3523 mono_gc_memmove_atomic (buf + klass->fields [0].offset - sizeof (MonoObject), mono_object_unbox (value), mono_class_value_size (param_class, NULL));
3525 mono_gc_bzero_atomic (buf + klass->fields [0].offset - sizeof (MonoObject), mono_class_value_size (param_class, NULL));
3530 * mono_nullable_box:
3531 * @buf: The buffer representing the data to be boxed
3532 * @klass: the type to box it as.
3534 * Creates a boxed vtype or NULL from the Nullable structure pointed to by
3538 mono_nullable_box (guint8 *buf, MonoClass *klass)
3540 MONO_REQ_GC_UNSAFE_MODE;
3542 MonoClass *param_class = klass->cast_class;
3544 mono_class_setup_fields_locking (klass);
3545 g_assert (klass->fields_inited);
3547 g_assert (mono_class_from_mono_type (klass->fields [0].type) == param_class);
3548 g_assert (mono_class_from_mono_type (klass->fields [1].type) == mono_defaults.boolean_class);
3550 if (*(guint8*)(buf + klass->fields [1].offset - sizeof (MonoObject))) {
3551 MonoObject *o = mono_object_new (mono_domain_get (), param_class);
3552 if (param_class->has_references)
3553 mono_gc_wbarrier_value_copy (mono_object_unbox (o), buf + klass->fields [0].offset - sizeof (MonoObject), 1, param_class);
3555 mono_gc_memmove_atomic (mono_object_unbox (o), buf + klass->fields [0].offset - sizeof (MonoObject), mono_class_value_size (param_class, NULL));
3563 * mono_get_delegate_invoke:
3564 * @klass: The delegate class
3566 * Returns: the MonoMethod for the "Invoke" method in the delegate klass or NULL if @klass is a broken delegate type
3569 mono_get_delegate_invoke (MonoClass *klass)
3571 MONO_REQ_GC_NEUTRAL_MODE;
3575 /* This is called at runtime, so avoid the slower search in metadata */
3576 mono_class_setup_methods (klass);
3577 if (klass->exception_type)
3579 im = mono_class_get_method_from_name (klass, "Invoke", -1);
3584 * mono_get_delegate_begin_invoke:
3585 * @klass: The delegate class
3587 * Returns: the MonoMethod for the "BeginInvoke" method in the delegate klass or NULL if @klass is a broken delegate type
3590 mono_get_delegate_begin_invoke (MonoClass *klass)
3592 MONO_REQ_GC_NEUTRAL_MODE;
3596 /* This is called at runtime, so avoid the slower search in metadata */
3597 mono_class_setup_methods (klass);
3598 if (klass->exception_type)
3600 im = mono_class_get_method_from_name (klass, "BeginInvoke", -1);
3605 * mono_get_delegate_end_invoke:
3606 * @klass: The delegate class
3608 * Returns: the MonoMethod for the "EndInvoke" method in the delegate klass or NULL if @klass is a broken delegate type
3611 mono_get_delegate_end_invoke (MonoClass *klass)
3613 MONO_REQ_GC_NEUTRAL_MODE;
3617 /* This is called at runtime, so avoid the slower search in metadata */
3618 mono_class_setup_methods (klass);
3619 if (klass->exception_type)
3621 im = mono_class_get_method_from_name (klass, "EndInvoke", -1);
3626 * mono_runtime_delegate_invoke:
3627 * @delegate: pointer to a delegate object.
3628 * @params: parameters for the delegate.
3629 * @exc: Pointer to the exception result.
3631 * Invokes the delegate method @delegate with the parameters provided.
3633 * You can pass NULL as the exc argument if you don't want to
3634 * catch exceptions, otherwise, *exc will be set to the exception
3635 * thrown, if any. if an exception is thrown, you can't use the
3636 * MonoObject* result from the function.
3639 mono_runtime_delegate_invoke (MonoObject *delegate, void **params, MonoObject **exc)
3641 MONO_REQ_GC_UNSAFE_MODE;
3644 MonoClass *klass = delegate->vtable->klass;
3646 im = mono_get_delegate_invoke (klass);
3648 g_error ("Could not lookup delegate invoke method for delegate %s", mono_type_get_full_name (klass));
3650 return mono_runtime_invoke (im, delegate, params, exc);
3653 static char **main_args = NULL;
3654 static int num_main_args = 0;
3657 * mono_runtime_get_main_args:
3659 * Returns: a MonoArray with the arguments passed to the main program
3662 mono_runtime_get_main_args (void)
3664 MONO_REQ_GC_UNSAFE_MODE;
3668 MonoDomain *domain = mono_domain_get ();
3670 res = (MonoArray*)mono_array_new (domain, mono_defaults.string_class, num_main_args);
3672 for (i = 0; i < num_main_args; ++i)
3673 mono_array_setref (res, i, mono_string_new (domain, main_args [i]));
3679 free_main_args (void)
3681 MONO_REQ_GC_NEUTRAL_MODE;
3685 for (i = 0; i < num_main_args; ++i)
3686 g_free (main_args [i]);
3693 * mono_runtime_set_main_args:
3694 * @argc: number of arguments from the command line
3695 * @argv: array of strings from the command line
3697 * Set the command line arguments from an embedding application that doesn't otherwise call
3698 * mono_runtime_run_main ().
3701 mono_runtime_set_main_args (int argc, char* argv[])
3703 MONO_REQ_GC_NEUTRAL_MODE;
3708 main_args = g_new0 (char*, argc);
3709 num_main_args = argc;
3711 for (i = 0; i < argc; ++i) {
3714 utf8_arg = mono_utf8_from_external (argv[i]);
3715 if (utf8_arg == NULL) {
3716 g_print ("\nCannot determine the text encoding for argument %d (%s).\n", i, argv [i]);
3717 g_print ("Please add the correct encoding to MONO_EXTERNAL_ENCODINGS and try again.\n");
3721 main_args [i] = utf8_arg;
3728 * mono_runtime_run_main:
3729 * @method: the method to start the application with (usually Main)
3730 * @argc: number of arguments from the command line
3731 * @argv: array of strings from the command line
3732 * @exc: excetption results
3734 * Execute a standard Main() method (argc/argv contains the
3735 * executable name). This method also sets the command line argument value
3736 * needed by System.Environment.
3741 mono_runtime_run_main (MonoMethod *method, int argc, char* argv[],
3744 MONO_REQ_GC_UNSAFE_MODE;
3747 MonoArray *args = NULL;
3748 MonoDomain *domain = mono_domain_get ();
3749 gchar *utf8_fullpath;
3750 MonoMethodSignature *sig;
3752 g_assert (method != NULL);
3754 mono_thread_set_main (mono_thread_current ());
3756 main_args = g_new0 (char*, argc);
3757 num_main_args = argc;
3759 if (!g_path_is_absolute (argv [0])) {
3760 gchar *basename = g_path_get_basename (argv [0]);
3761 gchar *fullpath = g_build_filename (method->klass->image->assembly->basedir,
3765 utf8_fullpath = mono_utf8_from_external (fullpath);
3766 if(utf8_fullpath == NULL) {
3767 /* Printing the arg text will cause glib to
3768 * whinge about "Invalid UTF-8", but at least
3769 * its relevant, and shows the problem text
3772 g_print ("\nCannot determine the text encoding for the assembly location: %s\n", fullpath);
3773 g_print ("Please add the correct encoding to MONO_EXTERNAL_ENCODINGS and try again.\n");
3780 utf8_fullpath = mono_utf8_from_external (argv[0]);
3781 if(utf8_fullpath == NULL) {
3782 g_print ("\nCannot determine the text encoding for the assembly location: %s\n", argv[0]);
3783 g_print ("Please add the correct encoding to MONO_EXTERNAL_ENCODINGS and try again.\n");
3788 main_args [0] = utf8_fullpath;
3790 for (i = 1; i < argc; ++i) {
3793 utf8_arg=mono_utf8_from_external (argv[i]);
3794 if(utf8_arg==NULL) {
3795 /* Ditto the comment about Invalid UTF-8 here */
3796 g_print ("\nCannot determine the text encoding for argument %d (%s).\n", i, argv[i]);
3797 g_print ("Please add the correct encoding to MONO_EXTERNAL_ENCODINGS and try again.\n");
3801 main_args [i] = utf8_arg;
3806 sig = mono_method_signature (method);
3808 g_print ("Unable to load Main method.\n");
3812 if (sig->param_count) {
3813 args = (MonoArray*)mono_array_new (domain, mono_defaults.string_class, argc);
3814 for (i = 0; i < argc; ++i) {
3815 /* The encodings should all work, given that
3816 * we've checked all these args for the
3819 gchar *str = mono_utf8_from_external (argv [i]);
3820 MonoString *arg = mono_string_new (domain, str);
3821 mono_array_setref (args, i, arg);
3825 args = (MonoArray*)mono_array_new (domain, mono_defaults.string_class, 0);
3828 mono_assembly_set_main (method->klass->image->assembly);
3830 return mono_runtime_exec_main (method, args, exc);
3834 serialize_object (MonoObject *obj, gboolean *failure, MonoObject **exc)
3836 static MonoMethod *serialize_method;
3841 if (!serialize_method) {
3842 MonoClass *klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingServices");
3843 serialize_method = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
3846 if (!serialize_method) {
3851 g_assert (!mono_class_is_marshalbyref (mono_object_class (obj)));
3855 array = mono_runtime_invoke (serialize_method, NULL, params, exc);
3863 deserialize_object (MonoObject *obj, gboolean *failure, MonoObject **exc)
3865 MONO_REQ_GC_UNSAFE_MODE;
3867 static MonoMethod *deserialize_method;
3872 if (!deserialize_method) {
3873 MonoClass *klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingServices");
3874 deserialize_method = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
3876 if (!deserialize_method) {
3883 result = mono_runtime_invoke (deserialize_method, NULL, params, exc);
3890 #ifndef DISABLE_REMOTING
3892 make_transparent_proxy (MonoObject *obj, gboolean *failure, MonoObject **exc)
3894 MONO_REQ_GC_UNSAFE_MODE;
3896 static MonoMethod *get_proxy_method;
3898 MonoDomain *domain = mono_domain_get ();
3899 MonoRealProxy *real_proxy;
3900 MonoReflectionType *reflection_type;
3901 MonoTransparentProxy *transparent_proxy;
3903 if (!get_proxy_method)
3904 get_proxy_method = mono_class_get_method_from_name (mono_defaults.real_proxy_class, "GetTransparentProxy", 0);
3906 g_assert (mono_class_is_marshalbyref (obj->vtable->klass));
3908 real_proxy = (MonoRealProxy*) mono_object_new (domain, mono_defaults.real_proxy_class);
3909 reflection_type = mono_type_get_object (domain, &obj->vtable->klass->byval_arg);
3911 MONO_OBJECT_SETREF (real_proxy, class_to_proxy, reflection_type);
3912 MONO_OBJECT_SETREF (real_proxy, unwrapped_server, obj);
3915 transparent_proxy = (MonoTransparentProxy*) mono_runtime_invoke (get_proxy_method, real_proxy, NULL, exc);
3919 return (MonoObject*) transparent_proxy;
3921 #endif /* DISABLE_REMOTING */
3924 * mono_object_xdomain_representation
3926 * @target_domain: a domain
3927 * @exc: pointer to a MonoObject*
3929 * Creates a representation of obj in the domain target_domain. This
3930 * is either a copy of obj arrived through via serialization and
3931 * deserialization or a proxy, depending on whether the object is
3932 * serializable or marshal by ref. obj must not be in target_domain.
3934 * If the object cannot be represented in target_domain, NULL is
3935 * returned and *exc is set to an appropriate exception.
3938 mono_object_xdomain_representation (MonoObject *obj, MonoDomain *target_domain, MonoObject **exc)
3940 MONO_REQ_GC_UNSAFE_MODE;
3942 MonoObject *deserialized = NULL;
3943 gboolean failure = FALSE;
3947 #ifndef DISABLE_REMOTING
3948 if (mono_class_is_marshalbyref (mono_object_class (obj))) {
3949 deserialized = make_transparent_proxy (obj, &failure, exc);
3954 MonoDomain *domain = mono_domain_get ();
3955 MonoObject *serialized;
3957 mono_domain_set_internal_with_options (mono_object_domain (obj), FALSE);
3958 serialized = serialize_object (obj, &failure, exc);
3959 mono_domain_set_internal_with_options (target_domain, FALSE);
3961 deserialized = deserialize_object (serialized, &failure, exc);
3962 if (domain != target_domain)
3963 mono_domain_set_internal_with_options (domain, FALSE);
3966 return deserialized;
3969 /* Used in call_unhandled_exception_delegate */
3971 create_unhandled_exception_eventargs (MonoObject *exc)
3973 MONO_REQ_GC_UNSAFE_MODE;
3977 MonoMethod *method = NULL;
3978 MonoBoolean is_terminating = TRUE;
3981 klass = mono_class_from_name (mono_defaults.corlib, "System", "UnhandledExceptionEventArgs");
3984 mono_class_init (klass);
3986 /* UnhandledExceptionEventArgs only has 1 public ctor with 2 args */
3987 method = mono_class_get_method_from_name_flags (klass, ".ctor", 2, METHOD_ATTRIBUTE_PUBLIC);
3991 args [1] = &is_terminating;
3993 obj = mono_object_new (mono_domain_get (), klass);
3994 mono_runtime_invoke (method, obj, args, NULL);
3999 /* Used in mono_unhandled_exception */
4001 call_unhandled_exception_delegate (MonoDomain *domain, MonoObject *delegate, MonoObject *exc) {
4002 MONO_REQ_GC_UNSAFE_MODE;
4004 MonoObject *e = NULL;
4006 MonoDomain *current_domain = mono_domain_get ();
4008 if (domain != current_domain)
4009 mono_domain_set_internal_with_options (domain, FALSE);
4011 g_assert (domain == mono_object_domain (domain->domain));
4013 if (mono_object_domain (exc) != domain) {
4014 MonoObject *serialization_exc;
4016 exc = mono_object_xdomain_representation (exc, domain, &serialization_exc);
4018 if (serialization_exc) {
4020 exc = mono_object_xdomain_representation (serialization_exc, domain, &dummy);
4023 exc = (MonoObject*) mono_exception_from_name_msg (mono_get_corlib (),
4024 "System.Runtime.Serialization", "SerializationException",
4025 "Could not serialize unhandled exception.");
4029 g_assert (mono_object_domain (exc) == domain);
4031 pa [0] = domain->domain;
4032 pa [1] = create_unhandled_exception_eventargs (exc);
4033 mono_runtime_delegate_invoke (delegate, pa, &e);
4035 if (domain != current_domain)
4036 mono_domain_set_internal_with_options (current_domain, FALSE);
4040 gchar *msg = mono_string_to_utf8_checked (((MonoException *) e)->message, &error);
4041 if (!mono_error_ok (&error)) {
4042 g_warning ("Exception inside UnhandledException handler with invalid message (Invalid characters)\n");
4043 mono_error_cleanup (&error);
4045 g_warning ("exception inside UnhandledException handler: %s\n", msg);
4051 static MonoRuntimeUnhandledExceptionPolicy runtime_unhandled_exception_policy = MONO_UNHANDLED_POLICY_CURRENT;
4054 * mono_runtime_unhandled_exception_policy_set:
4055 * @policy: the new policy
4057 * This is a VM internal routine.
4059 * Sets the runtime policy for handling unhandled exceptions.
4062 mono_runtime_unhandled_exception_policy_set (MonoRuntimeUnhandledExceptionPolicy policy) {
4063 runtime_unhandled_exception_policy = policy;
4067 * mono_runtime_unhandled_exception_policy_get:
4069 * This is a VM internal routine.
4071 * Gets the runtime policy for handling unhandled exceptions.
4073 MonoRuntimeUnhandledExceptionPolicy
4074 mono_runtime_unhandled_exception_policy_get (void) {
4075 return runtime_unhandled_exception_policy;
4079 * mono_unhandled_exception:
4080 * @exc: exception thrown
4082 * This is a VM internal routine.
4084 * We call this function when we detect an unhandled exception
4085 * in the default domain.
4087 * It invokes the * UnhandledException event in AppDomain or prints
4088 * a warning to the console
4091 mono_unhandled_exception (MonoObject *exc)
4093 MONO_REQ_GC_UNSAFE_MODE;
4095 MonoDomain *current_domain = mono_domain_get ();
4096 MonoDomain *root_domain = mono_get_root_domain ();
4097 MonoClassField *field;
4098 MonoObject *current_appdomain_delegate;
4099 MonoObject *root_appdomain_delegate;
4101 field=mono_class_get_field_from_name(mono_defaults.appdomain_class,
4102 "UnhandledException");
4105 if (exc->vtable->klass != mono_defaults.threadabortexception_class) {
4106 gboolean abort_process = (main_thread && (mono_thread_internal_current () == main_thread->internal_thread)) ||
4107 (mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_CURRENT);
4108 root_appdomain_delegate = *(MonoObject **)(((char *)root_domain->domain) + field->offset);
4109 if (current_domain != root_domain) {
4110 current_appdomain_delegate = *(MonoObject **)(((char *)current_domain->domain) + field->offset);
4112 current_appdomain_delegate = NULL;
4115 /* set exitcode only if we will abort the process */
4116 if ((current_appdomain_delegate == NULL) && (root_appdomain_delegate == NULL)) {
4118 mono_environment_exitcode_set (1);
4119 mono_print_unhandled_exception (exc);
4121 if (root_appdomain_delegate) {
4122 call_unhandled_exception_delegate (root_domain, root_appdomain_delegate, exc);
4124 if (current_appdomain_delegate) {
4125 call_unhandled_exception_delegate (current_domain, current_appdomain_delegate, exc);
4132 * mono_runtime_exec_managed_code:
4133 * @domain: Application domain
4134 * @main_func: function to invoke from the execution thread
4135 * @main_args: parameter to the main_func
4137 * Launch a new thread to execute a function
4139 * main_func is called back from the thread with main_args as the
4140 * parameter. The callback function is expected to start Main()
4141 * eventually. This function then waits for all managed threads to
4143 * It is not necesseray anymore to execute managed code in a subthread,
4144 * so this function should not be used anymore by default: just
4145 * execute the code and then call mono_thread_manage ().
4148 mono_runtime_exec_managed_code (MonoDomain *domain,
4149 MonoMainThreadFunc main_func,
4152 mono_thread_create (domain, main_func, main_args);
4154 mono_thread_manage ();
4158 * Execute a standard Main() method (args doesn't contain the
4162 mono_runtime_exec_main (MonoMethod *method, MonoArray *args, MonoObject **exc)
4164 MONO_REQ_GC_UNSAFE_MODE;
4169 MonoCustomAttrInfo* cinfo;
4170 gboolean has_stathread_attribute;
4171 MonoInternalThread* thread = mono_thread_internal_current ();
4177 domain = mono_object_domain (args);
4178 if (!domain->entry_assembly) {
4180 MonoAssembly *assembly;
4182 assembly = method->klass->image->assembly;
4183 domain->entry_assembly = assembly;
4184 /* Domains created from another domain already have application_base and configuration_file set */
4185 if (domain->setup->application_base == NULL) {
4186 MONO_OBJECT_SETREF (domain->setup, application_base, mono_string_new (domain, assembly->basedir));
4189 if (domain->setup->configuration_file == NULL) {
4190 str = g_strconcat (assembly->image->name, ".config", NULL);
4191 MONO_OBJECT_SETREF (domain->setup, configuration_file, mono_string_new (domain, str));
4193 mono_set_private_bin_path_from_config (domain);
4197 cinfo = mono_custom_attrs_from_method (method);
4199 static MonoClass *stathread_attribute = NULL;
4200 if (!stathread_attribute)
4201 stathread_attribute = mono_class_from_name (mono_defaults.corlib, "System", "STAThreadAttribute");
4202 has_stathread_attribute = mono_custom_attrs_has_attr (cinfo, stathread_attribute);
4204 mono_custom_attrs_free (cinfo);
4206 has_stathread_attribute = FALSE;
4208 if (has_stathread_attribute) {
4209 thread->apartment_state = ThreadApartmentState_STA;
4211 thread->apartment_state = ThreadApartmentState_MTA;
4213 mono_thread_init_apartment_state ();
4215 /* FIXME: check signature of method */
4216 if (mono_method_signature (method)->ret->type == MONO_TYPE_I4) {
4218 res = mono_runtime_invoke (method, NULL, pa, exc);
4220 rval = *(guint32 *)((char *)res + sizeof (MonoObject));
4224 mono_environment_exitcode_set (rval);
4226 mono_runtime_invoke (method, NULL, pa, exc);
4230 /* If the return type of Main is void, only
4231 * set the exitcode if an exception was thrown
4232 * (we don't want to blow away an
4233 * explicitly-set exit code)
4236 mono_environment_exitcode_set (rval);
4244 * mono_install_runtime_invoke:
4245 * @func: Function to install
4247 * This is a VM internal routine
4250 mono_install_runtime_invoke (MonoInvokeFunc func)
4252 default_mono_runtime_invoke = func ? func: dummy_mono_runtime_invoke;
4257 * mono_runtime_invoke_array:
4258 * @method: method to invoke
4259 * @obJ: object instance
4260 * @params: arguments to the method
4261 * @exc: exception information.
4263 * Invokes the method represented by @method on the object @obj.
4265 * obj is the 'this' pointer, it should be NULL for static
4266 * methods, a MonoObject* for object instances and a pointer to
4267 * the value type for value types.
4269 * The params array contains the arguments to the method with the
4270 * same convention: MonoObject* pointers for object instances and
4271 * pointers to the value type otherwise. The _invoke_array
4272 * variant takes a C# object[] as the params argument (MonoArray
4273 * *params): in this case the value types are boxed inside the
4274 * respective reference representation.
4276 * From unmanaged code you'll usually use the
4277 * mono_runtime_invoke() variant.
4279 * Note that this function doesn't handle virtual methods for
4280 * you, it will exec the exact method you pass: we still need to
4281 * expose a function to lookup the derived class implementation
4282 * of a virtual method (there are examples of this in the code,
4285 * You can pass NULL as the exc argument if you don't want to
4286 * catch exceptions, otherwise, *exc will be set to the exception
4287 * thrown, if any. if an exception is thrown, you can't use the
4288 * MonoObject* result from the function.
4290 * If the method returns a value type, it is boxed in an object
4294 mono_runtime_invoke_array (MonoMethod *method, void *obj, MonoArray *params,
4297 MONO_REQ_GC_UNSAFE_MODE;
4299 MonoMethodSignature *sig = mono_method_signature (method);
4300 gpointer *pa = NULL;
4303 gboolean has_byref_nullables = FALSE;
4305 if (NULL != params) {
4306 pa = alloca (sizeof (gpointer) * mono_array_length (params));
4307 for (i = 0; i < mono_array_length (params); i++) {
4308 MonoType *t = sig->params [i];
4314 case MONO_TYPE_BOOLEAN:
4317 case MONO_TYPE_CHAR:
4326 case MONO_TYPE_VALUETYPE:
4327 if (t->type == MONO_TYPE_VALUETYPE && mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
4328 /* The runtime invoke wrapper needs the original boxed vtype, it does handle byref values as well. */
4329 pa [i] = mono_array_get (params, MonoObject*, i);
4331 has_byref_nullables = TRUE;
4333 /* MS seems to create the objects if a null is passed in */
4334 if (!mono_array_get (params, MonoObject*, i))
4335 mono_array_setref (params, i, mono_object_new (mono_domain_get (), mono_class_from_mono_type (sig->params [i])));
4339 * We can't pass the unboxed vtype byref to the callee, since
4340 * that would mean the callee would be able to modify boxed
4341 * primitive types. So we (and MS) make a copy of the boxed
4342 * object, pass that to the callee, and replace the original
4343 * boxed object in the arg array with the copy.
4345 MonoObject *orig = mono_array_get (params, MonoObject*, i);
4346 MonoObject *copy = mono_value_box (mono_domain_get (), orig->vtable->klass, mono_object_unbox (orig));
4347 mono_array_setref (params, i, copy);
4350 pa [i] = mono_object_unbox (mono_array_get (params, MonoObject*, i));
4353 case MONO_TYPE_STRING:
4354 case MONO_TYPE_OBJECT:
4355 case MONO_TYPE_CLASS:
4356 case MONO_TYPE_ARRAY:
4357 case MONO_TYPE_SZARRAY:
4359 pa [i] = mono_array_addr (params, MonoObject*, i);
4360 // FIXME: I need to check this code path
4362 pa [i] = mono_array_get (params, MonoObject*, i);
4364 case MONO_TYPE_GENERICINST:
4366 t = &t->data.generic_class->container_class->this_arg;
4368 t = &t->data.generic_class->container_class->byval_arg;
4370 case MONO_TYPE_PTR: {
4373 /* The argument should be an IntPtr */
4374 arg = mono_array_get (params, MonoObject*, i);
4378 g_assert (arg->vtable->klass == mono_defaults.int_class);
4379 pa [i] = ((MonoIntPtr*)arg)->m_value;
4384 g_error ("type 0x%x not handled in mono_runtime_invoke_array", sig->params [i]->type);
4389 if (!strcmp (method->name, ".ctor") && method->klass != mono_defaults.string_class) {
4392 if (mono_class_is_nullable (method->klass)) {
4393 /* Need to create a boxed vtype instead */
4399 return mono_value_box (mono_domain_get (), method->klass->cast_class, pa [0]);
4403 obj = mono_object_new (mono_domain_get (), method->klass);
4404 g_assert (obj); /*maybe we should raise a TLE instead?*/
4405 #ifndef DISABLE_REMOTING
4406 if (mono_object_class(obj) == mono_defaults.transparent_proxy_class) {
4407 method = mono_marshal_get_remoting_invoke (method->slot == -1 ? method : method->klass->vtable [method->slot]);
4410 if (method->klass->valuetype)
4411 o = mono_object_unbox (obj);
4414 } else if (method->klass->valuetype) {
4415 obj = mono_value_box (mono_domain_get (), method->klass, obj);
4418 mono_runtime_invoke (method, o, pa, exc);
4421 if (mono_class_is_nullable (method->klass)) {
4422 MonoObject *nullable;
4424 /* Convert the unboxed vtype into a Nullable structure */
4425 nullable = mono_object_new (mono_domain_get (), method->klass);
4427 mono_nullable_init (mono_object_unbox (nullable), mono_value_box (mono_domain_get (), method->klass->cast_class, obj), method->klass);
4428 obj = mono_object_unbox (nullable);
4431 /* obj must be already unboxed if needed */
4432 res = mono_runtime_invoke (method, obj, pa, exc);
4434 if (sig->ret->type == MONO_TYPE_PTR) {
4435 MonoClass *pointer_class;
4436 static MonoMethod *box_method;
4438 MonoObject *box_exc;
4441 * The runtime-invoke wrapper returns a boxed IntPtr, need to
4442 * convert it to a Pointer object.
4444 pointer_class = mono_class_from_name_cached (mono_defaults.corlib, "System.Reflection", "Pointer");
4446 box_method = mono_class_get_method_from_name (pointer_class, "Box", -1);
4448 g_assert (res->vtable->klass == mono_defaults.int_class);
4449 box_args [0] = ((MonoIntPtr*)res)->m_value;
4450 box_args [1] = mono_type_get_object (mono_domain_get (), sig->ret);
4451 res = mono_runtime_invoke (box_method, NULL, box_args, &box_exc);
4452 g_assert (!box_exc);
4455 if (has_byref_nullables) {
4457 * The runtime invoke wrapper already converted byref nullables back,
4458 * and stored them in pa, we just need to copy them back to the
4461 for (i = 0; i < mono_array_length (params); i++) {
4462 MonoType *t = sig->params [i];
4464 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
4465 mono_array_setref (params, i, pa [i]);
4474 arith_overflow (void)
4476 MONO_REQ_GC_UNSAFE_MODE;
4478 mono_raise_exception (mono_get_exception_overflow ());
4483 * @klass: the class of the object that we want to create
4485 * Returns: a newly created object whose definition is
4486 * looked up using @klass. This will not invoke any constructors,
4487 * so the consumer of this routine has to invoke any constructors on
4488 * its own to initialize the object.
4490 * It returns NULL on failure.
4493 mono_object_new (MonoDomain *domain, MonoClass *klass)
4495 MONO_REQ_GC_UNSAFE_MODE;
4499 vtable = mono_class_vtable (domain, klass);
4502 return mono_object_new_specific (vtable);
4506 * mono_object_new_pinned:
4508 * Same as mono_object_new, but the returned object will be pinned.
4509 * For SGEN, these objects will only be freed at appdomain unload.
4512 mono_object_new_pinned (MonoDomain *domain, MonoClass *klass)
4514 MONO_REQ_GC_UNSAFE_MODE;
4518 vtable = mono_class_vtable (domain, klass);
4523 return mono_gc_alloc_pinned_obj (vtable, mono_class_instance_size (klass));
4525 return mono_object_new_specific (vtable);
4530 * mono_object_new_specific:
4531 * @vtable: the vtable of the object that we want to create
4533 * Returns: A newly created object with class and domain specified
4537 mono_object_new_specific (MonoVTable *vtable)
4539 MONO_REQ_GC_UNSAFE_MODE;
4543 /* check for is_com_object for COM Interop */
4544 if (mono_vtable_is_remote (vtable) || mono_class_is_com_object (vtable->klass))
4547 MonoMethod *im = vtable->domain->create_proxy_for_type_method;
4550 MonoClass *klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Activation", "ActivationServices");
4553 mono_class_init (klass);
4555 im = mono_class_get_method_from_name (klass, "CreateProxyForType", 1);
4557 mono_raise_exception (mono_get_exception_not_supported ("Linked away."));
4558 vtable->domain->create_proxy_for_type_method = im;
4561 pa [0] = mono_type_get_object (mono_domain_get (), &vtable->klass->byval_arg);
4563 o = mono_runtime_invoke (im, NULL, pa, NULL);
4564 if (o != NULL) return o;
4567 return mono_object_new_alloc_specific (vtable);
4571 mono_object_new_alloc_specific (MonoVTable *vtable)
4573 MONO_REQ_GC_UNSAFE_MODE;
4575 MonoObject *o = mono_gc_alloc_obj (vtable, vtable->klass->instance_size);
4577 if (G_UNLIKELY (vtable->klass->has_finalize))
4578 mono_object_register_finalizer (o);
4584 mono_object_new_fast (MonoVTable *vtable)
4586 MONO_REQ_GC_UNSAFE_MODE;
4588 return mono_gc_alloc_obj (vtable, vtable->klass->instance_size);
4592 * mono_class_get_allocation_ftn:
4594 * @for_box: the object will be used for boxing
4595 * @pass_size_in_words:
4597 * Return the allocation function appropriate for the given class.
4601 mono_class_get_allocation_ftn (MonoVTable *vtable, gboolean for_box, gboolean *pass_size_in_words)
4603 MONO_REQ_GC_NEUTRAL_MODE;
4605 *pass_size_in_words = FALSE;
4607 if (mono_class_has_finalizer (vtable->klass) || mono_class_is_marshalbyref (vtable->klass) || (mono_profiler_get_events () & MONO_PROFILE_ALLOCATIONS))
4608 return mono_object_new_specific;
4610 if (vtable->gc_descr != MONO_GC_DESCRIPTOR_NULL) {
4612 return mono_object_new_fast;
4615 * FIXME: This is actually slower than mono_object_new_fast, because
4616 * of the overhead of parameter passing.
4619 *pass_size_in_words = TRUE;
4620 #ifdef GC_REDIRECT_TO_LOCAL
4621 return GC_local_gcj_fast_malloc;
4623 return GC_gcj_fast_malloc;
4628 return mono_object_new_specific;
4632 * mono_object_new_from_token:
4633 * @image: Context where the type_token is hosted
4634 * @token: a token of the type that we want to create
4636 * Returns: A newly created object whose definition is
4637 * looked up using @token in the @image image
4640 mono_object_new_from_token (MonoDomain *domain, MonoImage *image, guint32 token)
4642 MONO_REQ_GC_UNSAFE_MODE;
4647 class = mono_class_get_checked (image, token, &error);
4648 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4650 return mono_object_new (domain, class);
4655 * mono_object_clone:
4656 * @obj: the object to clone
4658 * Returns: A newly created object who is a shallow copy of @obj
4661 mono_object_clone (MonoObject *obj)
4663 MONO_REQ_GC_UNSAFE_MODE;
4666 int size = obj->vtable->klass->instance_size;
4668 if (obj->vtable->klass->rank)
4669 return (MonoObject*)mono_array_clone ((MonoArray*)obj);
4671 o = mono_gc_alloc_obj (obj->vtable, size);
4673 /* If the object doesn't contain references this will do a simple memmove. */
4674 mono_gc_wbarrier_object_copy (o, obj);
4676 if (obj->vtable->klass->has_finalize)
4677 mono_object_register_finalizer (o);
4682 * mono_array_full_copy:
4683 * @src: source array to copy
4684 * @dest: destination array
4686 * Copies the content of one array to another with exactly the same type and size.
4689 mono_array_full_copy (MonoArray *src, MonoArray *dest)
4691 MONO_REQ_GC_UNSAFE_MODE;
4694 MonoClass *klass = src->obj.vtable->klass;
4696 g_assert (klass == dest->obj.vtable->klass);
4698 size = mono_array_length (src);
4699 g_assert (size == mono_array_length (dest));
4700 size *= mono_array_element_size (klass);
4702 if (klass->element_class->valuetype) {
4703 if (klass->element_class->has_references)
4704 mono_value_copy_array (dest, 0, mono_array_addr_with_size_fast (src, 0, 0), mono_array_length (src));
4706 mono_gc_memmove_atomic (&dest->vector, &src->vector, size);
4708 mono_array_memcpy_refs (dest, 0, src, 0, mono_array_length (src));
4711 mono_gc_memmove_atomic (&dest->vector, &src->vector, size);
4716 * mono_array_clone_in_domain:
4717 * @domain: the domain in which the array will be cloned into
4718 * @array: the array to clone
4720 * This routine returns a copy of the array that is hosted on the
4721 * specified MonoDomain.
4724 mono_array_clone_in_domain (MonoDomain *domain, MonoArray *array)
4726 MONO_REQ_GC_UNSAFE_MODE;
4731 MonoClass *klass = array->obj.vtable->klass;
4733 if (array->bounds == NULL) {
4734 size = mono_array_length (array);
4735 o = mono_array_new_full (domain, klass, &size, NULL);
4737 size *= mono_array_element_size (klass);
4739 if (klass->element_class->valuetype) {
4740 if (klass->element_class->has_references)
4741 mono_value_copy_array (o, 0, mono_array_addr_with_size_fast (array, 0, 0), mono_array_length (array));
4743 mono_gc_memmove_atomic (&o->vector, &array->vector, size);
4745 mono_array_memcpy_refs (o, 0, array, 0, mono_array_length (array));
4748 mono_gc_memmove_atomic (&o->vector, &array->vector, size);
4753 sizes = alloca (klass->rank * sizeof(intptr_t) * 2);
4754 size = mono_array_element_size (klass);
4755 for (i = 0; i < klass->rank; ++i) {
4756 sizes [i] = array->bounds [i].length;
4757 size *= array->bounds [i].length;
4758 sizes [i + klass->rank] = array->bounds [i].lower_bound;
4760 o = mono_array_new_full (domain, klass, sizes, (intptr_t*)sizes + klass->rank);
4762 if (klass->element_class->valuetype) {
4763 if (klass->element_class->has_references)
4764 mono_value_copy_array (o, 0, mono_array_addr_with_size_fast (array, 0, 0), mono_array_length (array));
4766 mono_gc_memmove_atomic (&o->vector, &array->vector, size);
4768 mono_array_memcpy_refs (o, 0, array, 0, mono_array_length (array));
4771 mono_gc_memmove_atomic (&o->vector, &array->vector, size);
4779 * @array: the array to clone
4781 * Returns: A newly created array who is a shallow copy of @array
4784 mono_array_clone (MonoArray *array)
4786 MONO_REQ_GC_UNSAFE_MODE;
4788 return mono_array_clone_in_domain (((MonoObject *)array)->vtable->domain, array);
4791 /* helper macros to check for overflow when calculating the size of arrays */
4792 #ifdef MONO_BIG_ARRAYS
4793 #define MYGUINT64_MAX 0x0000FFFFFFFFFFFFUL
4794 #define MYGUINT_MAX MYGUINT64_MAX
4795 #define CHECK_ADD_OVERFLOW_UN(a,b) \
4796 (G_UNLIKELY ((guint64)(MYGUINT64_MAX) - (guint64)(b) < (guint64)(a)))
4797 #define CHECK_MUL_OVERFLOW_UN(a,b) \
4798 (G_UNLIKELY (((guint64)(a) > 0) && ((guint64)(b) > 0) && \
4799 ((guint64)(b) > ((MYGUINT64_MAX) / (guint64)(a)))))
4801 #define MYGUINT32_MAX 4294967295U
4802 #define MYGUINT_MAX MYGUINT32_MAX
4803 #define CHECK_ADD_OVERFLOW_UN(a,b) \
4804 (G_UNLIKELY ((guint32)(MYGUINT32_MAX) - (guint32)(b) < (guint32)(a)))
4805 #define CHECK_MUL_OVERFLOW_UN(a,b) \
4806 (G_UNLIKELY (((guint32)(a) > 0) && ((guint32)(b) > 0) && \
4807 ((guint32)(b) > ((MYGUINT32_MAX) / (guint32)(a)))))
4811 mono_array_calc_byte_len (MonoClass *class, uintptr_t len, uintptr_t *res)
4813 MONO_REQ_GC_NEUTRAL_MODE;
4817 byte_len = mono_array_element_size (class);
4818 if (CHECK_MUL_OVERFLOW_UN (byte_len, len))
4821 if (CHECK_ADD_OVERFLOW_UN (byte_len, sizeof (MonoArray)))
4823 byte_len += sizeof (MonoArray);
4831 * mono_array_new_full:
4832 * @domain: domain where the object is created
4833 * @array_class: array class
4834 * @lengths: lengths for each dimension in the array
4835 * @lower_bounds: lower bounds for each dimension in the array (may be NULL)
4837 * This routine creates a new array objects with the given dimensions,
4838 * lower bounds and type.
4841 mono_array_new_full (MonoDomain *domain, MonoClass *array_class, uintptr_t *lengths, intptr_t *lower_bounds)
4843 MONO_REQ_GC_UNSAFE_MODE;
4845 uintptr_t byte_len = 0, len, bounds_size;
4848 MonoArrayBounds *bounds;
4852 if (!array_class->inited)
4853 mono_class_init (array_class);
4857 /* A single dimensional array with a 0 lower bound is the same as an szarray */
4858 if (array_class->rank == 1 && ((array_class->byval_arg.type == MONO_TYPE_SZARRAY) || (lower_bounds && lower_bounds [0] == 0))) {
4860 if (len > MONO_ARRAY_MAX_INDEX)//MONO_ARRAY_MAX_INDEX
4864 bounds_size = sizeof (MonoArrayBounds) * array_class->rank;
4866 for (i = 0; i < array_class->rank; ++i) {
4867 if (lengths [i] > MONO_ARRAY_MAX_INDEX) //MONO_ARRAY_MAX_INDEX
4869 if (CHECK_MUL_OVERFLOW_UN (len, lengths [i]))
4870 mono_gc_out_of_memory (MONO_ARRAY_MAX_SIZE);
4875 if (!mono_array_calc_byte_len (array_class, len, &byte_len))
4876 mono_gc_out_of_memory (MONO_ARRAY_MAX_SIZE);
4880 if (CHECK_ADD_OVERFLOW_UN (byte_len, 3))
4881 mono_gc_out_of_memory (MONO_ARRAY_MAX_SIZE);
4882 byte_len = (byte_len + 3) & ~3;
4883 if (CHECK_ADD_OVERFLOW_UN (byte_len, bounds_size))
4884 mono_gc_out_of_memory (MONO_ARRAY_MAX_SIZE);
4885 byte_len += bounds_size;
4888 * Following three lines almost taken from mono_object_new ():
4889 * they need to be kept in sync.
4891 vtable = mono_class_vtable_full (domain, array_class, TRUE);
4893 o = mono_gc_alloc_array (vtable, byte_len, len, bounds_size);
4895 o = mono_gc_alloc_vector (vtable, byte_len, len);
4896 array = (MonoArray*)o;
4898 bounds = array->bounds;
4901 for (i = 0; i < array_class->rank; ++i) {
4902 bounds [i].length = lengths [i];
4904 bounds [i].lower_bound = lower_bounds [i];
4913 * @domain: domain where the object is created
4914 * @eclass: element class
4915 * @n: number of array elements
4917 * This routine creates a new szarray with @n elements of type @eclass.
4920 mono_array_new (MonoDomain *domain, MonoClass *eclass, uintptr_t n)
4922 MONO_REQ_GC_UNSAFE_MODE;
4926 ac = mono_array_class_get (eclass, 1);
4929 return mono_array_new_specific (mono_class_vtable_full (domain, ac, TRUE), n);
4933 * mono_array_new_specific:
4934 * @vtable: a vtable in the appropriate domain for an initialized class
4935 * @n: number of array elements
4937 * This routine is a fast alternative to mono_array_new() for code which
4938 * can be sure about the domain it operates in.
4941 mono_array_new_specific (MonoVTable *vtable, uintptr_t n)
4943 MONO_REQ_GC_UNSAFE_MODE;
4949 if (G_UNLIKELY (n > MONO_ARRAY_MAX_INDEX)) {
4954 if (!mono_array_calc_byte_len (vtable->klass, n, &byte_len)) {
4955 mono_gc_out_of_memory (MONO_ARRAY_MAX_SIZE);
4958 o = mono_gc_alloc_vector (vtable, byte_len, n);
4965 * mono_string_new_utf16:
4966 * @text: a pointer to an utf16 string
4967 * @len: the length of the string
4969 * Returns: A newly created string object which contains @text.
4972 mono_string_new_utf16 (MonoDomain *domain, const guint16 *text, gint32 len)
4974 MONO_REQ_GC_UNSAFE_MODE;
4978 s = mono_string_new_size (domain, len);
4979 g_assert (s != NULL);
4981 memcpy (mono_string_chars (s), text, len * 2);
4987 * mono_string_new_utf32:
4988 * @text: a pointer to an utf32 string
4989 * @len: the length of the string
4991 * Returns: A newly created string object which contains @text.
4994 mono_string_new_utf32 (MonoDomain *domain, const mono_unichar4 *text, gint32 len)
4996 MONO_REQ_GC_UNSAFE_MODE;
4999 mono_unichar2 *utf16_output = NULL;
5000 gint32 utf16_len = 0;
5001 GError *error = NULL;
5002 glong items_written;
5004 utf16_output = g_ucs4_to_utf16 (text, len, NULL, &items_written, &error);
5007 g_error_free (error);
5009 while (utf16_output [utf16_len]) utf16_len++;
5011 s = mono_string_new_size (domain, utf16_len);
5012 g_assert (s != NULL);
5014 memcpy (mono_string_chars (s), utf16_output, utf16_len * 2);
5016 g_free (utf16_output);
5022 * mono_string_new_size:
5023 * @text: a pointer to an utf16 string
5024 * @len: the length of the string
5026 * Returns: A newly created string object of @len
5029 mono_string_new_size (MonoDomain *domain, gint32 len)
5031 MONO_REQ_GC_UNSAFE_MODE;
5037 /* check for overflow */
5038 if (len < 0 || len > ((SIZE_MAX - G_STRUCT_OFFSET (MonoString, chars) - 8) / 2))
5039 mono_gc_out_of_memory (-1);
5041 size = (G_STRUCT_OFFSET (MonoString, chars) + (((size_t)len + 1) * 2));
5042 g_assert (size > 0);
5044 vtable = mono_class_vtable (domain, mono_defaults.string_class);
5047 s = mono_gc_alloc_string (vtable, size, len);
5053 * mono_string_new_len:
5054 * @text: a pointer to an utf8 string
5055 * @length: number of bytes in @text to consider
5057 * Returns: A newly created string object which contains @text.
5060 mono_string_new_len (MonoDomain *domain, const char *text, guint length)
5062 MONO_REQ_GC_UNSAFE_MODE;
5064 GError *error = NULL;
5065 MonoString *o = NULL;
5067 glong items_written;
5069 ut = eg_utf8_to_utf16_with_nuls (text, length, NULL, &items_written, &error);
5072 o = mono_string_new_utf16 (domain, ut, items_written);
5074 g_error_free (error);
5083 * @text: a pointer to an utf8 string
5085 * Returns: A newly created string object which contains @text.
5088 mono_string_new (MonoDomain *domain, const char *text)
5090 MONO_REQ_GC_UNSAFE_MODE;
5092 GError *error = NULL;
5093 MonoString *o = NULL;
5095 glong items_written;
5100 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
5103 o = mono_string_new_utf16 (domain, ut, items_written);
5105 g_error_free (error);
5108 /*FIXME g_utf8_get_char, g_utf8_next_char and g_utf8_validate are not part of eglib.*/
5113 MonoString *o = NULL;
5115 if (!g_utf8_validate (text, -1, &end))
5118 len = g_utf8_strlen (text, -1);
5119 o = mono_string_new_size (domain, len);
5120 str = mono_string_chars (o);
5122 while (text < end) {
5123 *str++ = g_utf8_get_char (text);
5124 text = g_utf8_next_char (text);
5131 * mono_string_new_wrapper:
5132 * @text: pointer to utf8 characters.
5134 * Helper function to create a string object from @text in the current domain.
5137 mono_string_new_wrapper (const char *text)
5139 MONO_REQ_GC_UNSAFE_MODE;
5141 MonoDomain *domain = mono_domain_get ();
5144 return mono_string_new (domain, text);
5151 * @class: the class of the value
5152 * @value: a pointer to the unboxed data
5154 * Returns: A newly created object which contains @value.
5157 mono_value_box (MonoDomain *domain, MonoClass *class, gpointer value)
5159 MONO_REQ_GC_UNSAFE_MODE;
5165 g_assert (class->valuetype);
5166 if (mono_class_is_nullable (class))
5167 return mono_nullable_box (value, class);
5169 vtable = mono_class_vtable (domain, class);
5172 size = mono_class_instance_size (class);
5173 res = mono_object_new_alloc_specific (vtable);
5175 size = size - sizeof (MonoObject);
5178 g_assert (size == mono_class_value_size (class, NULL));
5179 mono_gc_wbarrier_value_copy ((char *)res + sizeof (MonoObject), value, 1, class);
5181 #if NO_UNALIGNED_ACCESS
5182 mono_gc_memmove_atomic ((char *)res + sizeof (MonoObject), value, size);
5186 *((guint8 *) res + sizeof (MonoObject)) = *(guint8 *) value;
5189 *(guint16 *)((guint8 *) res + sizeof (MonoObject)) = *(guint16 *) value;
5192 *(guint32 *)((guint8 *) res + sizeof (MonoObject)) = *(guint32 *) value;
5195 *(guint64 *)((guint8 *) res + sizeof (MonoObject)) = *(guint64 *) value;
5198 mono_gc_memmove_atomic ((char *)res + sizeof (MonoObject), value, size);
5202 if (class->has_finalize)
5203 mono_object_register_finalizer (res);
5209 * @dest: destination pointer
5210 * @src: source pointer
5211 * @klass: a valuetype class
5213 * Copy a valuetype from @src to @dest. This function must be used
5214 * when @klass contains references fields.
5217 mono_value_copy (gpointer dest, gpointer src, MonoClass *klass)
5219 MONO_REQ_GC_UNSAFE_MODE;
5221 mono_gc_wbarrier_value_copy (dest, src, 1, klass);
5225 * mono_value_copy_array:
5226 * @dest: destination array
5227 * @dest_idx: index in the @dest array
5228 * @src: source pointer
5229 * @count: number of items
5231 * Copy @count valuetype items from @src to the array @dest at index @dest_idx.
5232 * This function must be used when @klass contains references fields.
5233 * Overlap is handled.
5236 mono_value_copy_array (MonoArray *dest, int dest_idx, gpointer src, int count)
5238 MONO_REQ_GC_UNSAFE_MODE;
5240 int size = mono_array_element_size (dest->obj.vtable->klass);
5241 char *d = mono_array_addr_with_size_fast (dest, size, dest_idx);
5242 g_assert (size == mono_class_value_size (mono_object_class (dest)->element_class, NULL));
5243 mono_gc_wbarrier_value_copy (d, src, count, mono_object_class (dest)->element_class);
5247 * mono_object_get_domain:
5248 * @obj: object to query
5250 * Returns: the MonoDomain where the object is hosted
5253 mono_object_get_domain (MonoObject *obj)
5255 MONO_REQ_GC_UNSAFE_MODE;
5257 return mono_object_domain (obj);
5261 * mono_object_get_class:
5262 * @obj: object to query
5264 * Returns: the MonOClass of the object.
5267 mono_object_get_class (MonoObject *obj)
5269 MONO_REQ_GC_UNSAFE_MODE;
5271 return mono_object_class (obj);
5274 * mono_object_get_size:
5275 * @o: object to query
5277 * Returns: the size, in bytes, of @o
5280 mono_object_get_size (MonoObject* o)
5282 MONO_REQ_GC_UNSAFE_MODE;
5284 MonoClass* klass = mono_object_class (o);
5285 if (klass == mono_defaults.string_class) {
5286 return sizeof (MonoString) + 2 * mono_string_length ((MonoString*) o) + 2;
5287 } else if (o->vtable->rank) {
5288 MonoArray *array = (MonoArray*)o;
5289 size_t size = sizeof (MonoArray) + mono_array_element_size (klass) * mono_array_length (array);
5290 if (array->bounds) {
5293 size += sizeof (MonoArrayBounds) * o->vtable->rank;
5297 return mono_class_instance_size (klass);
5302 * mono_object_unbox:
5303 * @obj: object to unbox
5305 * Returns: a pointer to the start of the valuetype boxed in this
5308 * This method will assert if the object passed is not a valuetype.
5311 mono_object_unbox (MonoObject *obj)
5313 MONO_REQ_GC_UNSAFE_MODE;
5315 /* add assert for valuetypes? */
5316 g_assert (obj->vtable->klass->valuetype);
5317 return ((char*)obj) + sizeof (MonoObject);
5321 * mono_object_isinst:
5323 * @klass: a pointer to a class
5325 * Returns: @obj if @obj is derived from @klass
5328 mono_object_isinst (MonoObject *obj, MonoClass *klass)
5330 MONO_REQ_GC_UNSAFE_MODE;
5333 mono_class_init (klass);
5335 if (mono_class_is_marshalbyref (klass) || (klass->flags & TYPE_ATTRIBUTE_INTERFACE))
5336 return mono_object_isinst_mbyref (obj, klass);
5341 return mono_class_is_assignable_from (klass, obj->vtable->klass) ? obj : NULL;
5345 mono_object_isinst_mbyref (MonoObject *obj, MonoClass *klass)
5347 MONO_REQ_GC_UNSAFE_MODE;
5356 if (klass->flags & TYPE_ATTRIBUTE_INTERFACE) {
5357 if (MONO_VTABLE_IMPLEMENTS_INTERFACE (vt, klass->interface_id)) {
5361 /*If the above check fails we are in the slow path of possibly raising an exception. So it's ok to it this way.*/
5362 if (mono_class_has_variant_generic_params (klass) && mono_class_is_assignable_from (klass, obj->vtable->klass))
5365 MonoClass *oklass = vt->klass;
5366 if (mono_class_is_transparent_proxy (oklass))
5367 oklass = ((MonoTransparentProxy *)obj)->remote_class->proxy_class;
5369 mono_class_setup_supertypes (klass);
5370 if ((oklass->idepth >= klass->idepth) && (oklass->supertypes [klass->idepth - 1] == klass))
5373 #ifndef DISABLE_REMOTING
5374 if (vt->klass == mono_defaults.transparent_proxy_class && ((MonoTransparentProxy *)obj)->custom_type_info)
5376 MonoDomain *domain = mono_domain_get ();
5378 MonoObject *rp = (MonoObject *)((MonoTransparentProxy *)obj)->rp;
5379 MonoClass *rpklass = mono_defaults.iremotingtypeinfo_class;
5380 MonoMethod *im = NULL;
5383 im = mono_class_get_method_from_name (rpklass, "CanCastTo", -1);
5385 mono_raise_exception (mono_get_exception_not_supported ("Linked away."));
5386 im = mono_object_get_virtual_method (rp, im);
5389 pa [0] = mono_type_get_object (domain, &klass->byval_arg);
5392 res = mono_runtime_invoke (im, rp, pa, NULL);
5394 if (*(MonoBoolean *) mono_object_unbox(res)) {
5395 /* Update the vtable of the remote type, so it can safely cast to this new type */
5396 mono_upgrade_remote_class (domain, obj, klass);
5400 #endif /* DISABLE_REMOTING */
5405 * mono_object_castclass_mbyref:
5407 * @klass: a pointer to a class
5409 * Returns: @obj if @obj is derived from @klass, throws an exception otherwise
5412 mono_object_castclass_mbyref (MonoObject *obj, MonoClass *klass)
5414 MONO_REQ_GC_UNSAFE_MODE;
5416 if (!obj) return NULL;
5417 if (mono_object_isinst_mbyref (obj, klass)) return obj;
5419 mono_raise_exception (mono_exception_from_name (mono_defaults.corlib,
5421 "InvalidCastException"));
5426 MonoDomain *orig_domain;
5432 str_lookup (MonoDomain *domain, gpointer user_data)
5434 MONO_REQ_GC_UNSAFE_MODE;
5436 LDStrInfo *info = user_data;
5437 if (info->res || domain == info->orig_domain)
5439 info->res = mono_g_hash_table_lookup (domain->ldstr_table, info->ins);
5445 mono_string_get_pinned (MonoString *str)
5447 MONO_REQ_GC_UNSAFE_MODE;
5451 size = sizeof (MonoString) + 2 * (mono_string_length (str) + 1);
5452 news = mono_gc_alloc_pinned_obj (((MonoObject*)str)->vtable, size);
5454 memcpy (mono_string_chars (news), mono_string_chars (str), mono_string_length (str) * 2);
5455 news->length = mono_string_length (str);
5461 #define mono_string_get_pinned(str) (str)
5465 mono_string_is_interned_lookup (MonoString *str, int insert)
5467 MONO_REQ_GC_UNSAFE_MODE;
5469 MonoGHashTable *ldstr_table;
5470 MonoString *s, *res;
5473 domain = ((MonoObject *)str)->vtable->domain;
5474 ldstr_table = domain->ldstr_table;
5476 res = mono_g_hash_table_lookup (ldstr_table, str);
5482 /* Allocate outside the lock */
5484 s = mono_string_get_pinned (str);
5487 res = mono_g_hash_table_lookup (ldstr_table, str);
5492 mono_g_hash_table_insert (ldstr_table, s, s);
5497 LDStrInfo ldstr_info;
5498 ldstr_info.orig_domain = domain;
5499 ldstr_info.ins = str;
5500 ldstr_info.res = NULL;
5502 mono_domain_foreach (str_lookup, &ldstr_info);
5503 if (ldstr_info.res) {
5505 * the string was already interned in some other domain:
5506 * intern it in the current one as well.
5508 mono_g_hash_table_insert (ldstr_table, str, str);
5518 * mono_string_is_interned:
5519 * @o: String to probe
5521 * Returns whether the string has been interned.
5524 mono_string_is_interned (MonoString *o)
5526 MONO_REQ_GC_UNSAFE_MODE;
5528 return mono_string_is_interned_lookup (o, FALSE);
5532 * mono_string_intern:
5533 * @o: String to intern
5535 * Interns the string passed.
5536 * Returns: The interned string.
5539 mono_string_intern (MonoString *str)
5541 MONO_REQ_GC_UNSAFE_MODE;
5543 return mono_string_is_interned_lookup (str, TRUE);
5548 * @domain: the domain where the string will be used.
5549 * @image: a metadata context
5550 * @idx: index into the user string table.
5552 * Implementation for the ldstr opcode.
5553 * Returns: a loaded string from the @image/@idx combination.
5556 mono_ldstr (MonoDomain *domain, MonoImage *image, guint32 idx)
5558 MONO_REQ_GC_UNSAFE_MODE;
5560 if (image->dynamic) {
5561 MonoString *str = mono_lookup_dynamic_token (image, MONO_TOKEN_STRING | idx, NULL);
5564 if (!mono_verifier_verify_string_signature (image, idx, NULL))
5565 return NULL; /*FIXME we should probably be raising an exception here*/
5566 return mono_ldstr_metadata_sig (domain, mono_metadata_user_string (image, idx));
5571 * mono_ldstr_metadata_sig
5572 * @domain: the domain for the string
5573 * @sig: the signature of a metadata string
5575 * Returns: a MonoString for a string stored in the metadata
5578 mono_ldstr_metadata_sig (MonoDomain *domain, const char* sig)
5580 MONO_REQ_GC_UNSAFE_MODE;
5582 const char *str = sig;
5583 MonoString *o, *interned;
5586 len2 = mono_metadata_decode_blob_size (str, &str);
5589 o = mono_string_new_utf16 (domain, (guint16*)str, len2);
5590 #if G_BYTE_ORDER != G_LITTLE_ENDIAN
5593 guint16 *p2 = (guint16*)mono_string_chars (o);
5594 for (i = 0; i < len2; ++i) {
5595 *p2 = GUINT16_FROM_LE (*p2);
5601 interned = mono_g_hash_table_lookup (domain->ldstr_table, o);
5604 return interned; /* o will get garbage collected */
5606 o = mono_string_get_pinned (o);
5609 interned = mono_g_hash_table_lookup (domain->ldstr_table, o);
5611 mono_g_hash_table_insert (domain->ldstr_table, o, o);
5621 * mono_string_to_utf8:
5622 * @s: a System.String
5624 * Returns the UTF8 representation for @s.
5625 * The resulting buffer needs to be freed with mono_free().
5627 * @deprecated Use mono_string_to_utf8_checked to avoid having an exception arbritraly raised.
5630 mono_string_to_utf8 (MonoString *s)
5632 MONO_REQ_GC_UNSAFE_MODE;
5635 char *result = mono_string_to_utf8_checked (s, &error);
5637 if (!mono_error_ok (&error))
5638 mono_error_raise_exception (&error);
5643 * mono_string_to_utf8_checked:
5644 * @s: a System.String
5645 * @error: a MonoError.
5647 * Converts a MonoString to its UTF8 representation. May fail; check
5648 * @error to determine whether the conversion was successful.
5649 * The resulting buffer should be freed with mono_free().
5652 mono_string_to_utf8_checked (MonoString *s, MonoError *error)
5654 MONO_REQ_GC_UNSAFE_MODE;
5658 GError *gerror = NULL;
5660 mono_error_init (error);
5666 return g_strdup ("");
5668 as = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &written, &gerror);
5670 mono_error_set_argument (error, "string", "%s", gerror->message);
5671 g_error_free (gerror);
5674 /* g_utf16_to_utf8 may not be able to complete the convertion (e.g. NULL values were found, #335488) */
5675 if (s->length > written) {
5676 /* allocate the total length and copy the part of the string that has been converted */
5677 char *as2 = g_malloc0 (s->length);
5678 memcpy (as2, as, written);
5687 * mono_string_to_utf8_ignore:
5690 * Converts a MonoString to its UTF8 representation. Will ignore
5691 * invalid surrogate pairs.
5692 * The resulting buffer should be freed with mono_free().
5696 mono_string_to_utf8_ignore (MonoString *s)
5698 MONO_REQ_GC_UNSAFE_MODE;
5707 return g_strdup ("");
5709 as = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &written, NULL);
5711 /* g_utf16_to_utf8 may not be able to complete the convertion (e.g. NULL values were found, #335488) */
5712 if (s->length > written) {
5713 /* allocate the total length and copy the part of the string that has been converted */
5714 char *as2 = g_malloc0 (s->length);
5715 memcpy (as2, as, written);
5724 * mono_string_to_utf8_image_ignore:
5725 * @s: a System.String
5727 * Same as mono_string_to_utf8_ignore, but allocate the string from the image mempool.
5730 mono_string_to_utf8_image_ignore (MonoImage *image, MonoString *s)
5732 MONO_REQ_GC_UNSAFE_MODE;
5734 return mono_string_to_utf8_internal (NULL, image, s, TRUE, NULL);
5738 * mono_string_to_utf8_mp_ignore:
5739 * @s: a System.String
5741 * Same as mono_string_to_utf8_ignore, but allocate the string from a mempool.
5744 mono_string_to_utf8_mp_ignore (MonoMemPool *mp, MonoString *s)
5746 MONO_REQ_GC_UNSAFE_MODE;
5748 return mono_string_to_utf8_internal (mp, NULL, s, TRUE, NULL);
5753 * mono_string_to_utf16:
5756 * Return an null-terminated array of the utf-16 chars
5757 * contained in @s. The result must be freed with g_free().
5758 * This is a temporary helper until our string implementation
5759 * is reworked to always include the null terminating char.
5762 mono_string_to_utf16 (MonoString *s)
5764 MONO_REQ_GC_UNSAFE_MODE;
5771 as = g_malloc ((s->length * 2) + 2);
5772 as [(s->length * 2)] = '\0';
5773 as [(s->length * 2) + 1] = '\0';
5776 return (gunichar2 *)(as);
5779 memcpy (as, mono_string_chars(s), s->length * 2);
5780 return (gunichar2 *)(as);
5784 * mono_string_to_utf32:
5787 * Return an null-terminated array of the UTF-32 (UCS-4) chars
5788 * contained in @s. The result must be freed with g_free().
5791 mono_string_to_utf32 (MonoString *s)
5793 MONO_REQ_GC_UNSAFE_MODE;
5795 mono_unichar4 *utf32_output = NULL;
5796 GError *error = NULL;
5797 glong items_written;
5802 utf32_output = g_utf16_to_ucs4 (s->chars, s->length, NULL, &items_written, &error);
5805 g_error_free (error);
5807 return utf32_output;
5811 * mono_string_from_utf16:
5812 * @data: the UTF16 string (LPWSTR) to convert
5814 * Converts a NULL terminated UTF16 string (LPWSTR) to a MonoString.
5816 * Returns: a MonoString.
5819 mono_string_from_utf16 (gunichar2 *data)
5821 MONO_REQ_GC_UNSAFE_MODE;
5823 MonoDomain *domain = mono_domain_get ();
5829 while (data [len]) len++;
5831 return mono_string_new_utf16 (domain, data, len);
5835 * mono_string_from_utf32:
5836 * @data: the UTF32 string (LPWSTR) to convert
5838 * Converts a UTF32 (UCS-4)to a MonoString.
5840 * Returns: a MonoString.
5843 mono_string_from_utf32 (mono_unichar4 *data)
5845 MONO_REQ_GC_UNSAFE_MODE;
5847 MonoString* result = NULL;
5848 mono_unichar2 *utf16_output = NULL;
5849 GError *error = NULL;
5850 glong items_written;
5856 while (data [len]) len++;
5858 utf16_output = g_ucs4_to_utf16 (data, len, NULL, &items_written, &error);
5861 g_error_free (error);
5863 result = mono_string_from_utf16 (utf16_output);
5864 g_free (utf16_output);
5869 mono_string_to_utf8_internal (MonoMemPool *mp, MonoImage *image, MonoString *s, gboolean ignore_error, MonoError *error)
5871 MONO_REQ_GC_UNSAFE_MODE;
5878 r = mono_string_to_utf8_ignore (s);
5880 r = mono_string_to_utf8_checked (s, error);
5881 if (!mono_error_ok (error))
5888 len = strlen (r) + 1;
5890 mp_s = mono_mempool_alloc (mp, len);
5892 mp_s = mono_image_alloc (image, len);
5894 memcpy (mp_s, r, len);
5902 * mono_string_to_utf8_image:
5903 * @s: a System.String
5905 * Same as mono_string_to_utf8, but allocate the string from the image mempool.
5908 mono_string_to_utf8_image (MonoImage *image, MonoString *s, MonoError *error)
5910 MONO_REQ_GC_UNSAFE_MODE;
5912 return mono_string_to_utf8_internal (NULL, image, s, FALSE, error);
5916 * mono_string_to_utf8_mp:
5917 * @s: a System.String
5919 * Same as mono_string_to_utf8, but allocate the string from a mempool.
5922 mono_string_to_utf8_mp (MonoMemPool *mp, MonoString *s, MonoError *error)
5924 MONO_REQ_GC_UNSAFE_MODE;
5926 return mono_string_to_utf8_internal (mp, NULL, s, FALSE, error);
5930 static MonoRuntimeExceptionHandlingCallbacks eh_callbacks;
5933 mono_install_eh_callbacks (MonoRuntimeExceptionHandlingCallbacks *cbs)
5935 eh_callbacks = *cbs;
5938 MonoRuntimeExceptionHandlingCallbacks *
5939 mono_get_eh_callbacks (void)
5941 return &eh_callbacks;
5945 * mono_raise_exception:
5946 * @ex: exception object
5948 * Signal the runtime that the exception @ex has been raised in unmanaged code.
5951 mono_raise_exception (MonoException *ex)
5953 MONO_REQ_GC_UNSAFE_MODE;
5956 * NOTE: Do NOT annotate this function with G_GNUC_NORETURN, since
5957 * that will cause gcc to omit the function epilog, causing problems when
5958 * the JIT tries to walk the stack, since the return address on the stack
5959 * will point into the next function in the executable, not this one.
5961 eh_callbacks.mono_raise_exception (ex);
5965 mono_raise_exception_with_context (MonoException *ex, MonoContext *ctx)
5967 MONO_REQ_GC_UNSAFE_MODE;
5969 eh_callbacks.mono_raise_exception_with_ctx (ex, ctx);
5973 * mono_wait_handle_new:
5974 * @domain: Domain where the object will be created
5975 * @handle: Handle for the wait handle
5977 * Returns: A new MonoWaitHandle created in the given domain for the given handle
5980 mono_wait_handle_new (MonoDomain *domain, HANDLE handle)
5982 MONO_REQ_GC_UNSAFE_MODE;
5984 MonoWaitHandle *res;
5985 gpointer params [1];
5986 static MonoMethod *handle_set;
5988 res = (MonoWaitHandle *)mono_object_new (domain, mono_defaults.manualresetevent_class);
5990 /* Even though this method is virtual, it's safe to invoke directly, since the object type matches. */
5992 handle_set = mono_class_get_property_from_name (mono_defaults.manualresetevent_class, "Handle")->set;
5994 params [0] = &handle;
5995 mono_runtime_invoke (handle_set, res, params, NULL);
6001 mono_wait_handle_get_handle (MonoWaitHandle *handle)
6003 MONO_REQ_GC_UNSAFE_MODE;
6005 static MonoClassField *f_os_handle;
6006 static MonoClassField *f_safe_handle;
6008 if (!f_os_handle && !f_safe_handle) {
6009 f_os_handle = mono_class_get_field_from_name (mono_defaults.manualresetevent_class, "os_handle");
6010 f_safe_handle = mono_class_get_field_from_name (mono_defaults.manualresetevent_class, "safe_wait_handle");
6015 mono_field_get_value ((MonoObject*)handle, f_os_handle, &retval);
6019 mono_field_get_value ((MonoObject*)handle, f_safe_handle, &sh);
6026 mono_runtime_capture_context (MonoDomain *domain)
6028 MONO_REQ_GC_UNSAFE_MODE;
6030 RuntimeInvokeFunction runtime_invoke;
6032 if (!domain->capture_context_runtime_invoke || !domain->capture_context_method) {
6033 MonoMethod *method = mono_get_context_capture_method ();
6034 MonoMethod *wrapper;
6037 wrapper = mono_marshal_get_runtime_invoke (method, FALSE);
6038 domain->capture_context_runtime_invoke = mono_compile_method (wrapper);
6039 domain->capture_context_method = mono_compile_method (method);
6042 runtime_invoke = domain->capture_context_runtime_invoke;
6044 return runtime_invoke (NULL, NULL, NULL, domain->capture_context_method);
6047 * mono_async_result_new:
6048 * @domain:domain where the object will be created.
6049 * @handle: wait handle.
6050 * @state: state to pass to AsyncResult
6051 * @data: C closure data.
6053 * Creates a new MonoAsyncResult (AsyncResult C# class) in the given domain.
6054 * If the handle is not null, the handle is initialized to a MonOWaitHandle.
6058 mono_async_result_new (MonoDomain *domain, HANDLE handle, MonoObject *state, gpointer data, MonoObject *object_data)
6060 MONO_REQ_GC_UNSAFE_MODE;
6062 MonoAsyncResult *res = (MonoAsyncResult *)mono_object_new (domain, mono_defaults.asyncresult_class);
6063 MonoObject *context = mono_runtime_capture_context (domain);
6064 /* we must capture the execution context from the original thread */
6066 MONO_OBJECT_SETREF (res, execution_context, context);
6067 /* note: result may be null if the flow is suppressed */
6071 MONO_OBJECT_SETREF (res, object_data, object_data);
6072 MONO_OBJECT_SETREF (res, async_state, state);
6074 MONO_OBJECT_SETREF (res, handle, (MonoObject *) mono_wait_handle_new (domain, handle));
6076 res->sync_completed = FALSE;
6077 res->completed = FALSE;
6083 ves_icall_System_Runtime_Remoting_Messaging_AsyncResult_Invoke (MonoAsyncResult *ares)
6085 MONO_REQ_GC_UNSAFE_MODE;
6091 g_assert (ares->async_delegate);
6093 ac = (MonoAsyncCall*) ares->object_data;
6095 res = mono_runtime_delegate_invoke (ares->async_delegate, (void**) &ares->async_state, NULL);
6097 gpointer wait_event = NULL;
6099 ac->msg->exc = NULL;
6100 res = mono_message_invoke (ares->async_delegate, ac->msg, &ac->msg->exc, &ac->out_args);
6101 MONO_OBJECT_SETREF (ac, res, res);
6103 mono_monitor_enter ((MonoObject*) ares);
6104 ares->completed = 1;
6106 wait_event = mono_wait_handle_get_handle ((MonoWaitHandle*) ares->handle);
6107 mono_monitor_exit ((MonoObject*) ares);
6109 if (wait_event != NULL)
6110 SetEvent (wait_event);
6112 if (ac->cb_method) {
6113 /* we swallow the excepton as it is the behavior on .NET */
6114 MonoObject *exc = NULL;
6115 mono_runtime_invoke (ac->cb_method, ac->cb_target, (gpointer*) &ares, &exc);
6117 mono_unhandled_exception (exc);
6125 mono_message_init (MonoDomain *domain,
6126 MonoMethodMessage *this_obj,
6127 MonoReflectionMethod *method,
6128 MonoArray *out_args)
6130 MONO_REQ_GC_UNSAFE_MODE;
6132 static MonoClass *object_array_klass;
6133 static MonoClass *byte_array_klass;
6134 static MonoClass *string_array_klass;
6135 MonoMethodSignature *sig = mono_method_signature (method->method);
6141 if (!object_array_klass) {
6144 klass = mono_array_class_get (mono_defaults.byte_class, 1);
6146 byte_array_klass = klass;
6148 klass = mono_array_class_get (mono_defaults.string_class, 1);
6150 string_array_klass = klass;
6152 klass = mono_array_class_get (mono_defaults.object_class, 1);
6155 mono_atomic_store_release (&object_array_klass, klass);
6158 MONO_OBJECT_SETREF (this_obj, method, method);
6160 MONO_OBJECT_SETREF (this_obj, args, mono_array_new_specific (mono_class_vtable (domain, object_array_klass), sig->param_count));
6161 MONO_OBJECT_SETREF (this_obj, arg_types, mono_array_new_specific (mono_class_vtable (domain, byte_array_klass), sig->param_count));
6162 this_obj->async_result = NULL;
6163 this_obj->call_type = CallType_Sync;
6165 names = g_new (char *, sig->param_count);
6166 mono_method_get_param_names (method->method, (const char **) names);
6167 MONO_OBJECT_SETREF (this_obj, names, mono_array_new_specific (mono_class_vtable (domain, string_array_klass), sig->param_count));
6169 for (i = 0; i < sig->param_count; i++) {
6170 name = mono_string_new (domain, names [i]);
6171 mono_array_setref (this_obj->names, i, name);
6175 for (i = 0, j = 0; i < sig->param_count; i++) {
6176 if (sig->params [i]->byref) {
6178 MonoObject* arg = mono_array_get (out_args, gpointer, j);
6179 mono_array_setref (this_obj->args, i, arg);
6183 if (!(sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT))
6187 if (sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT)
6190 mono_array_set (this_obj->arg_types, guint8, i, arg_type);
6194 #ifndef DISABLE_REMOTING
6196 * mono_remoting_invoke:
6197 * @real_proxy: pointer to a RealProxy object
6198 * @msg: The MonoMethodMessage to execute
6199 * @exc: used to store exceptions
6200 * @out_args: used to store output arguments
6202 * This is used to call RealProxy::Invoke(). RealProxy::Invoke() returns an
6203 * IMessage interface and it is not trivial to extract results from there. So
6204 * we call an helper method PrivateInvoke instead of calling
6205 * RealProxy::Invoke() directly.
6207 * Returns: the result object.
6210 mono_remoting_invoke (MonoObject *real_proxy, MonoMethodMessage *msg,
6211 MonoObject **exc, MonoArray **out_args)
6213 MONO_REQ_GC_UNSAFE_MODE;
6215 MonoMethod *im = real_proxy->vtable->domain->private_invoke_method;
6218 /*static MonoObject *(*invoke) (gpointer, gpointer, MonoObject **, MonoArray **) = NULL;*/
6221 im = mono_class_get_method_from_name (mono_defaults.real_proxy_class, "PrivateInvoke", 4);
6223 mono_raise_exception (mono_get_exception_not_supported ("Linked away."));
6224 real_proxy->vtable->domain->private_invoke_method = im;
6227 pa [0] = real_proxy;
6232 return mono_runtime_invoke (im, NULL, pa, exc);
6237 mono_message_invoke (MonoObject *target, MonoMethodMessage *msg,
6238 MonoObject **exc, MonoArray **out_args)
6240 MONO_REQ_GC_UNSAFE_MODE;
6242 static MonoClass *object_array_klass;
6245 MonoMethodSignature *sig;
6247 int i, j, outarg_count = 0;
6249 #ifndef DISABLE_REMOTING
6250 if (target && mono_object_is_transparent_proxy (target)) {
6251 MonoTransparentProxy* tp = (MonoTransparentProxy *)target;
6252 if (mono_class_is_contextbound (tp->remote_class->proxy_class) && tp->rp->context == (MonoObject *) mono_context_get ()) {
6253 target = tp->rp->unwrapped_server;
6255 return mono_remoting_invoke ((MonoObject *)tp->rp, msg, exc, out_args);
6260 domain = mono_domain_get ();
6261 method = msg->method->method;
6262 sig = mono_method_signature (method);
6264 for (i = 0; i < sig->param_count; i++) {
6265 if (sig->params [i]->byref)
6269 if (!object_array_klass) {
6272 klass = mono_array_class_get (mono_defaults.object_class, 1);
6275 mono_memory_barrier ();
6276 object_array_klass = klass;
6279 mono_gc_wbarrier_generic_store (out_args, (MonoObject*) mono_array_new_specific (mono_class_vtable (domain, object_array_klass), outarg_count));
6282 ret = mono_runtime_invoke_array (method, method->klass->valuetype? mono_object_unbox (target): target, msg->args, exc);
6284 for (i = 0, j = 0; i < sig->param_count; i++) {
6285 if (sig->params [i]->byref) {
6287 arg = mono_array_get (msg->args, gpointer, i);
6288 mono_array_setref (*out_args, j, arg);
6297 * mono_object_to_string:
6299 * @exc: Any exception thrown by ToString (). May be NULL.
6301 * Returns: the result of calling ToString () on an object.
6304 mono_object_to_string (MonoObject *obj, MonoObject **exc)
6306 MONO_REQ_GC_UNSAFE_MODE;
6308 static MonoMethod *to_string = NULL;
6315 to_string = mono_class_get_method_from_name_flags (mono_get_object_class (), "ToString", 0, METHOD_ATTRIBUTE_VIRTUAL | METHOD_ATTRIBUTE_PUBLIC);
6317 method = mono_object_get_virtual_method (obj, to_string);
6319 // Unbox value type if needed
6320 if (mono_class_is_valuetype (mono_method_get_class (method))) {
6321 target = mono_object_unbox (obj);
6324 return (MonoString *) mono_runtime_invoke (method, target, NULL, exc);
6328 * mono_print_unhandled_exception:
6329 * @exc: The exception
6331 * Prints the unhandled exception.
6334 mono_print_unhandled_exception (MonoObject *exc)
6336 MONO_REQ_GC_UNSAFE_MODE;
6339 char *message = (char*)"";
6340 gboolean free_message = FALSE;
6343 if (exc == (MonoObject*)mono_object_domain (exc)->out_of_memory_ex) {
6344 message = g_strdup ("OutOfMemoryException");
6345 free_message = TRUE;
6346 } else if (exc == (MonoObject*)mono_object_domain (exc)->stack_overflow_ex) {
6347 message = g_strdup ("StackOverflowException"); //if we OVF, we can't expect to have stack space to JIT Exception::ToString.
6348 free_message = TRUE;
6351 if (((MonoException*)exc)->native_trace_ips) {
6352 message = mono_exception_get_native_backtrace ((MonoException*)exc);
6353 free_message = TRUE;
6355 MonoObject *other_exc = NULL;
6356 str = mono_object_to_string (exc, &other_exc);
6358 char *original_backtrace = mono_exception_get_managed_backtrace ((MonoException*)exc);
6359 char *nested_backtrace = mono_exception_get_managed_backtrace ((MonoException*)other_exc);
6361 message = g_strdup_printf ("Nested exception detected.\nOriginal Exception: %s\nNested exception:%s\n",
6362 original_backtrace, nested_backtrace);
6364 g_free (original_backtrace);
6365 g_free (nested_backtrace);
6366 free_message = TRUE;
6368 message = mono_string_to_utf8_checked (str, &error);
6369 if (!mono_error_ok (&error)) {
6370 mono_error_cleanup (&error);
6371 message = (char *) "";
6373 free_message = TRUE;
6380 * g_printerr ("\nUnhandled Exception: %s.%s: %s\n", exc->vtable->klass->name_space,
6381 * exc->vtable->klass->name, message);
6383 g_printerr ("\nUnhandled Exception:\n%s\n", message);
6390 * mono_delegate_ctor:
6391 * @this: pointer to an uninitialized delegate object
6392 * @target: target object
6393 * @addr: pointer to native code
6396 * Initialize a delegate and sets a specific method, not the one
6397 * associated with addr. This is useful when sharing generic code.
6398 * In that case addr will most probably not be associated with the
6399 * correct instantiation of the method.
6402 mono_delegate_ctor_with_method (MonoObject *this_obj, MonoObject *target, gpointer addr, MonoMethod *method)
6404 MONO_REQ_GC_UNSAFE_MODE;
6406 MonoDelegate *delegate = (MonoDelegate *)this_obj;
6408 g_assert (this_obj);
6411 g_assert (mono_class_has_parent (mono_object_class (this_obj), mono_defaults.multicastdelegate_class));
6414 delegate->method = method;
6416 mono_stats.delegate_creations++;
6418 #ifndef DISABLE_REMOTING
6419 if (target && target->vtable->klass == mono_defaults.transparent_proxy_class) {
6421 method = mono_marshal_get_remoting_invoke (method);
6422 delegate->method_ptr = mono_compile_method (method);
6423 MONO_OBJECT_SETREF (delegate, target, target);
6427 delegate->method_ptr = addr;
6428 MONO_OBJECT_SETREF (delegate, target, target);
6431 delegate->invoke_impl = arch_create_delegate_trampoline (delegate->object.vtable->domain, delegate->object.vtable->klass);
6435 * mono_delegate_ctor:
6436 * @this: pointer to an uninitialized delegate object
6437 * @target: target object
6438 * @addr: pointer to native code
6440 * This is used to initialize a delegate.
6443 mono_delegate_ctor (MonoObject *this_obj, MonoObject *target, gpointer addr)
6445 MONO_REQ_GC_UNSAFE_MODE;
6447 MonoDomain *domain = mono_domain_get ();
6449 MonoMethod *method = NULL;
6453 ji = mono_jit_info_table_find (domain, mono_get_addr_from_ftnptr (addr));
6455 if (!ji && domain != mono_get_root_domain ())
6456 ji = mono_jit_info_table_find (mono_get_root_domain (), mono_get_addr_from_ftnptr (addr));
6458 method = mono_jit_info_get_method (ji);
6459 g_assert (!method->klass->generic_container);
6462 mono_delegate_ctor_with_method (this_obj, target, addr, method);
6466 * mono_method_call_message_new:
6467 * @method: method to encapsulate
6468 * @params: parameters to the method
6469 * @invoke: optional, delegate invoke.
6470 * @cb: async callback delegate.
6471 * @state: state passed to the async callback.
6473 * Translates arguments pointers into a MonoMethodMessage.
6476 mono_method_call_message_new (MonoMethod *method, gpointer *params, MonoMethod *invoke,
6477 MonoDelegate **cb, MonoObject **state)
6479 MONO_REQ_GC_UNSAFE_MODE;
6481 MonoDomain *domain = mono_domain_get ();
6482 MonoMethodSignature *sig = mono_method_signature (method);
6483 MonoMethodMessage *msg;
6486 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
6489 mono_message_init (domain, msg, mono_method_get_object (domain, invoke, NULL), NULL);
6490 count = sig->param_count - 2;
6492 mono_message_init (domain, msg, mono_method_get_object (domain, method, NULL), NULL);
6493 count = sig->param_count;
6496 for (i = 0; i < count; i++) {
6501 if (sig->params [i]->byref)
6502 vpos = *((gpointer *)params [i]);
6506 class = mono_class_from_mono_type (sig->params [i]);
6508 if (class->valuetype)
6509 arg = mono_value_box (domain, class, vpos);
6511 arg = *((MonoObject **)vpos);
6513 mono_array_setref (msg->args, i, arg);
6516 if (cb != NULL && state != NULL) {
6517 *cb = *((MonoDelegate **)params [i]);
6519 *state = *((MonoObject **)params [i]);
6526 * mono_method_return_message_restore:
6528 * Restore results from message based processing back to arguments pointers
6531 mono_method_return_message_restore (MonoMethod *method, gpointer *params, MonoArray *out_args)
6533 MONO_REQ_GC_UNSAFE_MODE;
6535 MonoMethodSignature *sig = mono_method_signature (method);
6536 int i, j, type, size, out_len;
6538 if (out_args == NULL)
6540 out_len = mono_array_length (out_args);
6544 for (i = 0, j = 0; i < sig->param_count; i++) {
6545 MonoType *pt = sig->params [i];
6550 mono_raise_exception (mono_get_exception_execution_engine ("The proxy call returned an incorrect number of output arguments"));
6552 arg = mono_array_get (out_args, gpointer, j);
6555 g_assert (type != MONO_TYPE_VOID);
6557 if (MONO_TYPE_IS_REFERENCE (pt)) {
6558 mono_gc_wbarrier_generic_store (*((MonoObject ***)params [i]), (MonoObject *)arg);
6561 MonoClass *class = ((MonoObject*)arg)->vtable->klass;
6562 size = mono_class_value_size (class, NULL);
6563 if (class->has_references)
6564 mono_gc_wbarrier_value_copy (*((gpointer *)params [i]), arg + sizeof (MonoObject), 1, class);
6566 mono_gc_memmove_atomic (*((gpointer *)params [i]), arg + sizeof (MonoObject), size);
6568 size = mono_class_value_size (mono_class_from_mono_type (pt), NULL);
6569 mono_gc_bzero_atomic (*((gpointer *)params [i]), size);
6578 #ifndef DISABLE_REMOTING
6581 * mono_load_remote_field:
6582 * @this: pointer to an object
6583 * @klass: klass of the object containing @field
6584 * @field: the field to load
6585 * @res: a storage to store the result
6587 * This method is called by the runtime on attempts to load fields of
6588 * transparent proxy objects. @this points to such TP, @klass is the class of
6589 * the object containing @field. @res is a storage location which can be
6590 * used to store the result.
6592 * Returns: an address pointing to the value of field.
6595 mono_load_remote_field (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, gpointer *res)
6597 MONO_REQ_GC_UNSAFE_MODE;
6599 static MonoMethod *getter = NULL;
6600 MonoDomain *domain = mono_domain_get ();
6601 MonoTransparentProxy *tp = (MonoTransparentProxy *) this_obj;
6602 MonoClass *field_class;
6603 MonoMethodMessage *msg;
6604 MonoArray *out_args;
6608 g_assert (mono_object_is_transparent_proxy (this_obj));
6609 g_assert (res != NULL);
6611 if (mono_class_is_contextbound (tp->remote_class->proxy_class) && tp->rp->context == (MonoObject *) mono_context_get ()) {
6612 mono_field_get_value (tp->rp->unwrapped_server, field, res);
6617 getter = mono_class_get_method_from_name (mono_defaults.object_class, "FieldGetter", -1);
6619 mono_raise_exception (mono_get_exception_not_supported ("Linked away."));
6622 field_class = mono_class_from_mono_type (field->type);
6624 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
6625 out_args = mono_array_new (domain, mono_defaults.object_class, 1);
6626 mono_message_init (domain, msg, mono_method_get_object (domain, getter, NULL), out_args);
6628 full_name = mono_type_get_full_name (klass);
6629 mono_array_setref (msg->args, 0, mono_string_new (domain, full_name));
6630 mono_array_setref (msg->args, 1, mono_string_new (domain, mono_field_get_name (field)));
6633 mono_remoting_invoke ((MonoObject *)(tp->rp), msg, &exc, &out_args);
6635 if (exc) mono_raise_exception ((MonoException *)exc);
6637 if (mono_array_length (out_args) == 0)
6640 *res = mono_array_get (out_args, MonoObject *, 0); /* FIXME: GC write abrrier for res */
6642 if (field_class->valuetype) {
6643 return ((char *)*res) + sizeof (MonoObject);
6649 * mono_load_remote_field_new:
6654 * Missing documentation.
6657 mono_load_remote_field_new (MonoObject *this_obj, MonoClass *klass, MonoClassField *field)
6659 MONO_REQ_GC_UNSAFE_MODE;
6661 static MonoMethod *getter = NULL;
6662 MonoDomain *domain = mono_domain_get ();
6663 MonoTransparentProxy *tp = (MonoTransparentProxy *) this_obj;
6664 MonoClass *field_class;
6665 MonoMethodMessage *msg;
6666 MonoArray *out_args;
6667 MonoObject *exc, *res;
6670 g_assert (mono_object_is_transparent_proxy (this_obj));
6672 field_class = mono_class_from_mono_type (field->type);
6674 if (mono_class_is_contextbound (tp->remote_class->proxy_class) && tp->rp->context == (MonoObject *) mono_context_get ()) {
6676 if (field_class->valuetype) {
6677 res = mono_object_new (domain, field_class);
6678 val = ((gchar *) res) + sizeof (MonoObject);
6682 mono_field_get_value (tp->rp->unwrapped_server, field, val);
6687 getter = mono_class_get_method_from_name (mono_defaults.object_class, "FieldGetter", -1);
6689 mono_raise_exception (mono_get_exception_not_supported ("Linked away."));
6692 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
6693 out_args = mono_array_new (domain, mono_defaults.object_class, 1);
6695 mono_message_init (domain, msg, mono_method_get_object (domain, getter, NULL), out_args);
6697 full_name = mono_type_get_full_name (klass);
6698 mono_array_setref (msg->args, 0, mono_string_new (domain, full_name));
6699 mono_array_setref (msg->args, 1, mono_string_new (domain, mono_field_get_name (field)));
6702 mono_remoting_invoke ((MonoObject *)(tp->rp), msg, &exc, &out_args);
6704 if (exc) mono_raise_exception ((MonoException *)exc);
6706 if (mono_array_length (out_args) == 0)
6709 res = mono_array_get (out_args, MonoObject *, 0);
6715 * mono_store_remote_field:
6716 * @this_obj: pointer to an object
6717 * @klass: klass of the object containing @field
6718 * @field: the field to load
6719 * @val: the value/object to store
6721 * This method is called by the runtime on attempts to store fields of
6722 * transparent proxy objects. @this_obj points to such TP, @klass is the class of
6723 * the object containing @field. @val is the new value to store in @field.
6726 mono_store_remote_field (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, gpointer val)
6728 MONO_REQ_GC_UNSAFE_MODE;
6730 static MonoMethod *setter = NULL;
6731 MonoDomain *domain = mono_domain_get ();
6732 MonoTransparentProxy *tp = (MonoTransparentProxy *) this_obj;
6733 MonoClass *field_class;
6734 MonoMethodMessage *msg;
6735 MonoArray *out_args;
6740 g_assert (mono_object_is_transparent_proxy (this_obj));
6742 field_class = mono_class_from_mono_type (field->type);
6744 if (mono_class_is_contextbound (tp->remote_class->proxy_class) && tp->rp->context == (MonoObject *) mono_context_get ()) {
6745 if (field_class->valuetype) mono_field_set_value (tp->rp->unwrapped_server, field, val);
6746 else mono_field_set_value (tp->rp->unwrapped_server, field, *((MonoObject **)val));
6751 setter = mono_class_get_method_from_name (mono_defaults.object_class, "FieldSetter", -1);
6753 mono_raise_exception (mono_get_exception_not_supported ("Linked away."));
6756 if (field_class->valuetype)
6757 arg = mono_value_box (domain, field_class, val);
6759 arg = *((MonoObject **)val);
6762 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
6763 mono_message_init (domain, msg, mono_method_get_object (domain, setter, NULL), NULL);
6765 full_name = mono_type_get_full_name (klass);
6766 mono_array_setref (msg->args, 0, mono_string_new (domain, full_name));
6767 mono_array_setref (msg->args, 1, mono_string_new (domain, mono_field_get_name (field)));
6768 mono_array_setref (msg->args, 2, arg);
6771 mono_remoting_invoke ((MonoObject *)(tp->rp), msg, &exc, &out_args);
6773 if (exc) mono_raise_exception ((MonoException *)exc);
6777 * mono_store_remote_field_new:
6783 * Missing documentation
6786 mono_store_remote_field_new (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, MonoObject *arg)
6788 MONO_REQ_GC_UNSAFE_MODE;
6790 static MonoMethod *setter = NULL;
6791 MonoDomain *domain = mono_domain_get ();
6792 MonoTransparentProxy *tp = (MonoTransparentProxy *) this_obj;
6793 MonoClass *field_class;
6794 MonoMethodMessage *msg;
6795 MonoArray *out_args;
6799 g_assert (mono_object_is_transparent_proxy (this_obj));
6801 field_class = mono_class_from_mono_type (field->type);
6803 if (mono_class_is_contextbound (tp->remote_class->proxy_class) && tp->rp->context == (MonoObject *) mono_context_get ()) {
6804 if (field_class->valuetype) mono_field_set_value (tp->rp->unwrapped_server, field, ((gchar *) arg) + sizeof (MonoObject));
6805 else mono_field_set_value (tp->rp->unwrapped_server, field, arg);
6810 setter = mono_class_get_method_from_name (mono_defaults.object_class, "FieldSetter", -1);
6812 mono_raise_exception (mono_get_exception_not_supported ("Linked away."));
6815 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
6816 mono_message_init (domain, msg, mono_method_get_object (domain, setter, NULL), NULL);
6818 full_name = mono_type_get_full_name (klass);
6819 mono_array_setref (msg->args, 0, mono_string_new (domain, full_name));
6820 mono_array_setref (msg->args, 1, mono_string_new (domain, mono_field_get_name (field)));
6821 mono_array_setref (msg->args, 2, arg);
6824 mono_remoting_invoke ((MonoObject *)(tp->rp), msg, &exc, &out_args);
6826 if (exc) mono_raise_exception ((MonoException *)exc);
6831 * mono_create_ftnptr:
6833 * Given a function address, create a function descriptor for it.
6834 * This is only needed on some platforms.
6837 mono_create_ftnptr (MonoDomain *domain, gpointer addr)
6839 return callbacks.create_ftnptr (domain, addr);
6843 * mono_get_addr_from_ftnptr:
6845 * Given a pointer to a function descriptor, return the function address.
6846 * This is only needed on some platforms.
6849 mono_get_addr_from_ftnptr (gpointer descr)
6851 return callbacks.get_addr_from_ftnptr (descr);
6855 * mono_string_chars:
6858 * Returns a pointer to the UCS16 characters stored in the MonoString
6861 mono_string_chars (MonoString *s)
6863 // MONO_REQ_GC_UNSAFE_MODE; //FIXME too much trouble for now
6869 * mono_string_length:
6872 * Returns the lenght in characters of the string
6875 mono_string_length (MonoString *s)
6877 MONO_REQ_GC_UNSAFE_MODE;
6883 * mono_array_length:
6884 * @array: a MonoArray*
6886 * Returns the total number of elements in the array. This works for
6887 * both vectors and multidimensional arrays.
6890 mono_array_length (MonoArray *array)
6892 MONO_REQ_GC_UNSAFE_MODE;
6894 return array->max_length;
6898 * mono_array_addr_with_size:
6899 * @array: a MonoArray*
6900 * @size: size of the array elements
6901 * @idx: index into the array
6903 * Returns the address of the @idx element in the array.
6906 mono_array_addr_with_size (MonoArray *array, int size, uintptr_t idx)
6908 MONO_REQ_GC_UNSAFE_MODE;
6910 return ((char*)(array)->vector) + size * idx;