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-internals.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-internals.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 <mono/utils/mono-threads.h>
47 #include "cominterop.h"
50 get_default_field_value (MonoDomain* domain, MonoClassField *field, void *value);
53 mono_ldstr_metadata_sig (MonoDomain *domain, const char* sig);
56 free_main_args (void);
59 mono_string_to_utf8_internal (MonoMemPool *mp, MonoImage *image, MonoString *s, gboolean ignore_error, MonoError *error);
62 #define ldstr_lock() mono_os_mutex_lock (&ldstr_section)
63 #define ldstr_unlock() mono_os_mutex_unlock (&ldstr_section)
64 static mono_mutex_t ldstr_section;
67 mono_runtime_object_init (MonoObject *this_obj)
69 MONO_REQ_GC_UNSAFE_MODE;
71 MonoMethod *method = NULL;
72 MonoClass *klass = this_obj->vtable->klass;
74 method = mono_class_get_method_from_name (klass, ".ctor", 0);
76 g_error ("Could not lookup zero argument constructor for class %s", mono_type_get_full_name (klass));
78 if (method->klass->valuetype)
79 this_obj = (MonoObject *)mono_object_unbox (this_obj);
80 mono_runtime_invoke (method, this_obj, NULL, NULL);
83 /* The pseudo algorithm for type initialization from the spec
84 Note it doesn't say anything about domains - only threads.
86 2. If the type is initialized you are done.
87 2.1. If the type is not yet initialized, try to take an
89 2.2. If successful, record this thread as responsible for
90 initializing the type and proceed to step 2.3.
91 2.2.1. If not, see whether this thread or any thread
92 waiting for this thread to complete already holds the lock.
93 2.2.2. If so, return since blocking would create a deadlock. This thread
94 will now see an incompletely initialized state for the type,
95 but no deadlock will arise.
96 2.2.3 If not, block until the type is initialized then return.
97 2.3 Initialize the parent type and then all interfaces implemented
99 2.4 Execute the type initialization code for this type.
100 2.5 Mark the type as initialized, release the initialization lock,
101 awaken any threads waiting for this type to be initialized,
108 MonoNativeThreadId initializing_tid;
109 guint32 waiting_count;
111 MonoCoopMutex initialization_section;
112 } TypeInitializationLock;
114 /* for locking access to type_initialization_hash and blocked_thread_hash */
115 static MonoCoopMutex type_initialization_section;
118 mono_type_initialization_lock (void)
120 /* The critical sections protected by this lock in mono_runtime_class_init_full () can block */
121 mono_coop_mutex_lock (&type_initialization_section);
125 mono_type_initialization_unlock (void)
127 mono_coop_mutex_unlock (&type_initialization_section);
131 mono_type_init_lock (TypeInitializationLock *lock)
133 MONO_REQ_GC_NEUTRAL_MODE;
135 mono_coop_mutex_lock (&lock->initialization_section);
139 mono_type_init_unlock (TypeInitializationLock *lock)
141 mono_coop_mutex_unlock (&lock->initialization_section);
144 /* from vtable to lock */
145 static GHashTable *type_initialization_hash;
147 /* from thread id to thread id being waited on */
148 static GHashTable *blocked_thread_hash;
151 static MonoThread *main_thread;
153 /* Functions supplied by the runtime */
154 static MonoRuntimeCallbacks callbacks;
157 * mono_thread_set_main:
158 * @thread: thread to set as the main thread
160 * This function can be used to instruct the runtime to treat @thread
161 * as the main thread, ie, the thread that would normally execute the Main()
162 * method. This basically means that at the end of @thread, the runtime will
163 * wait for the existing foreground threads to quit and other such details.
166 mono_thread_set_main (MonoThread *thread)
168 MONO_REQ_GC_UNSAFE_MODE;
170 static gboolean registered = FALSE;
173 MONO_GC_REGISTER_ROOT_SINGLE (main_thread, MONO_ROOT_SOURCE_THREADING, "main thread object");
177 main_thread = thread;
181 mono_thread_get_main (void)
183 MONO_REQ_GC_UNSAFE_MODE;
189 mono_type_initialization_init (void)
191 mono_coop_mutex_init_recursive (&type_initialization_section);
192 type_initialization_hash = g_hash_table_new (NULL, NULL);
193 blocked_thread_hash = g_hash_table_new (NULL, NULL);
194 mono_os_mutex_init_recursive (&ldstr_section);
198 mono_type_initialization_cleanup (void)
201 /* This is causing race conditions with
202 * mono_release_type_locks
204 mono_coop_mutex_destroy (&type_initialization_section);
205 g_hash_table_destroy (type_initialization_hash);
206 type_initialization_hash = NULL;
208 mono_os_mutex_destroy (&ldstr_section);
209 g_hash_table_destroy (blocked_thread_hash);
210 blocked_thread_hash = NULL;
216 * get_type_init_exception_for_vtable:
218 * Return the stored type initialization exception for VTABLE.
220 static MonoException*
221 get_type_init_exception_for_vtable (MonoVTable *vtable)
223 MONO_REQ_GC_UNSAFE_MODE;
225 MonoDomain *domain = vtable->domain;
226 MonoClass *klass = vtable->klass;
230 if (!vtable->init_failed)
231 g_error ("Trying to get the init exception for a non-failed vtable of class %s", mono_type_get_full_name (klass));
234 * If the initializing thread was rudely aborted, the exception is not stored
238 mono_domain_lock (domain);
239 if (domain->type_init_exception_hash)
240 ex = (MonoException *)mono_g_hash_table_lookup (domain->type_init_exception_hash, klass);
241 mono_domain_unlock (domain);
244 if (klass->name_space && *klass->name_space)
245 full_name = g_strdup_printf ("%s.%s", klass->name_space, klass->name);
247 full_name = g_strdup (klass->name);
248 ex = mono_get_exception_type_initialization (full_name, NULL);
255 * mono_runtime_class_init:
256 * @vtable: vtable that needs to be initialized
258 * This routine calls the class constructor for @vtable.
261 mono_runtime_class_init (MonoVTable *vtable)
263 MONO_REQ_GC_UNSAFE_MODE;
265 mono_runtime_class_init_full (vtable, TRUE);
269 * mono_runtime_class_init_full:
270 * @vtable that neeeds to be initialized
271 * @raise_exception is TRUE, exceptions are raised intead of returned
275 mono_runtime_class_init_full (MonoVTable *vtable, gboolean raise_exception)
277 MONO_REQ_GC_UNSAFE_MODE;
280 MonoException *exc_to_throw;
281 MonoMethod *method = NULL;
284 MonoDomain *domain = vtable->domain;
285 TypeInitializationLock *lock;
286 MonoNativeThreadId tid;
287 int do_initialization = 0;
288 MonoDomain *last_domain = NULL;
290 if (vtable->initialized)
294 klass = vtable->klass;
296 if (!klass->image->checked_module_cctor) {
297 mono_image_check_for_module_cctor (klass->image);
298 if (klass->image->has_module_cctor) {
300 MonoClass *module_klass;
301 MonoVTable *module_vtable;
303 module_klass = mono_class_get_checked (klass->image, MONO_TOKEN_TYPE_DEF | 1, &error);
305 exc = mono_error_convert_to_exception (&error);
307 mono_raise_exception (exc);
311 module_vtable = mono_class_vtable_full (vtable->domain, module_klass, raise_exception);
314 exc = mono_runtime_class_init_full (module_vtable, raise_exception);
319 method = mono_class_get_cctor (klass);
321 vtable->initialized = 1;
325 tid = mono_native_thread_id_get ();
327 mono_type_initialization_lock ();
328 /* double check... */
329 if (vtable->initialized) {
330 mono_type_initialization_unlock ();
333 if (vtable->init_failed) {
334 mono_type_initialization_unlock ();
336 /* The type initialization already failed once, rethrow the same exception */
338 mono_raise_exception (get_type_init_exception_for_vtable (vtable));
339 return get_type_init_exception_for_vtable (vtable);
341 lock = (TypeInitializationLock *)g_hash_table_lookup (type_initialization_hash, vtable);
343 /* This thread will get to do the initialization */
344 if (mono_domain_get () != domain) {
345 /* Transfer into the target domain */
346 last_domain = mono_domain_get ();
347 if (!mono_domain_set (domain, FALSE)) {
348 vtable->initialized = 1;
349 mono_type_initialization_unlock ();
351 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
352 return mono_get_exception_appdomain_unloaded ();
355 lock = (TypeInitializationLock *)g_malloc (sizeof (TypeInitializationLock));
356 mono_coop_mutex_init_recursive (&lock->initialization_section);
357 lock->initializing_tid = tid;
358 lock->waiting_count = 1;
360 /* grab the vtable lock while this thread still owns type_initialization_section */
361 /* This is why type_initialization_lock needs to enter blocking mode */
362 mono_type_init_lock (lock);
363 g_hash_table_insert (type_initialization_hash, vtable, lock);
364 do_initialization = 1;
367 TypeInitializationLock *pending_lock;
369 if (mono_native_thread_id_equals (lock->initializing_tid, tid) || lock->done) {
370 mono_type_initialization_unlock ();
373 /* see if the thread doing the initialization is already blocked on this thread */
374 blocked = GUINT_TO_POINTER (MONO_NATIVE_THREAD_ID_TO_UINT (lock->initializing_tid));
375 while ((pending_lock = (TypeInitializationLock*) g_hash_table_lookup (blocked_thread_hash, blocked))) {
376 if (mono_native_thread_id_equals (pending_lock->initializing_tid, tid)) {
377 if (!pending_lock->done) {
378 mono_type_initialization_unlock ();
381 /* the thread doing the initialization is blocked on this thread,
382 but on a lock that has already been freed. It just hasn't got
387 blocked = GUINT_TO_POINTER (MONO_NATIVE_THREAD_ID_TO_UINT (pending_lock->initializing_tid));
389 ++lock->waiting_count;
390 /* record the fact that we are waiting on the initializing thread */
391 g_hash_table_insert (blocked_thread_hash, GUINT_TO_POINTER (tid), lock);
393 mono_type_initialization_unlock ();
395 if (do_initialization) {
396 mono_runtime_invoke (method, NULL, NULL, (MonoObject **) &exc);
398 /* If the initialization failed, mark the class as unusable. */
399 /* Avoid infinite loops */
401 (klass->image == mono_defaults.corlib &&
402 !strcmp (klass->name_space, "System") &&
403 !strcmp (klass->name, "TypeInitializationException")))) {
404 vtable->init_failed = 1;
406 if (klass->name_space && *klass->name_space)
407 full_name = g_strdup_printf ("%s.%s", klass->name_space, klass->name);
409 full_name = g_strdup (klass->name);
410 exc_to_throw = mono_get_exception_type_initialization (full_name, exc);
414 * Store the exception object so it could be thrown on subsequent
417 mono_domain_lock (domain);
418 if (!domain->type_init_exception_hash)
419 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");
420 mono_g_hash_table_insert (domain->type_init_exception_hash, klass, exc_to_throw);
421 mono_domain_unlock (domain);
425 mono_domain_set (last_domain, TRUE);
427 mono_type_init_unlock (lock);
429 /* this just blocks until the initializing thread is done */
430 mono_type_init_lock (lock);
431 mono_type_init_unlock (lock);
434 mono_type_initialization_lock ();
435 if (!mono_native_thread_id_equals (lock->initializing_tid, tid))
436 g_hash_table_remove (blocked_thread_hash, GUINT_TO_POINTER (tid));
437 --lock->waiting_count;
438 if (lock->waiting_count == 0) {
439 mono_coop_mutex_destroy (&lock->initialization_section);
440 g_hash_table_remove (type_initialization_hash, vtable);
443 mono_memory_barrier ();
444 if (!vtable->init_failed)
445 vtable->initialized = 1;
446 mono_type_initialization_unlock ();
448 if (vtable->init_failed) {
449 /* Either we were the initializing thread or we waited for the initialization */
451 mono_raise_exception (get_type_init_exception_for_vtable (vtable));
452 return get_type_init_exception_for_vtable (vtable);
458 gboolean release_type_locks (gpointer key, gpointer value, gpointer user)
460 MONO_REQ_GC_NEUTRAL_MODE;
462 MonoVTable *vtable = (MonoVTable*)key;
464 TypeInitializationLock *lock = (TypeInitializationLock*) value;
465 if (mono_native_thread_id_equals (lock->initializing_tid, MONO_UINT_TO_NATIVE_THREAD_ID (GPOINTER_TO_UINT (user))) && !lock->done) {
468 * Have to set this since it cannot be set by the normal code in
469 * mono_runtime_class_init (). In this case, the exception object is not stored,
470 * and get_type_init_exception_for_class () needs to be aware of this.
472 vtable->init_failed = 1;
473 mono_type_init_unlock (lock);
474 --lock->waiting_count;
475 if (lock->waiting_count == 0) {
476 mono_coop_mutex_destroy (&lock->initialization_section);
485 mono_release_type_locks (MonoInternalThread *thread)
487 MONO_REQ_GC_UNSAFE_MODE;
489 mono_type_initialization_lock ();
490 g_hash_table_foreach_remove (type_initialization_hash, release_type_locks, GUINT_TO_POINTER (thread->tid));
491 mono_type_initialization_unlock ();
495 default_trampoline (MonoMethod *method)
501 default_jump_trampoline (MonoDomain *domain, MonoMethod *method, gboolean add_sync_wrapper)
503 g_assert_not_reached ();
508 #ifndef DISABLE_REMOTING
511 default_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
513 g_error ("remoting not installed");
517 static MonoRemotingTrampoline arch_create_remoting_trampoline = default_remoting_trampoline;
521 default_delegate_trampoline (MonoDomain *domain, MonoClass *klass)
523 g_assert_not_reached ();
527 static MonoTrampoline arch_create_jit_trampoline = default_trampoline;
528 static MonoJumpTrampoline arch_create_jump_trampoline = default_jump_trampoline;
529 static MonoDelegateTrampoline arch_create_delegate_trampoline = default_delegate_trampoline;
530 static MonoImtThunkBuilder imt_thunk_builder;
531 static gboolean always_build_imt_thunks;
533 #if (MONO_IMT_SIZE > 32)
534 #error "MONO_IMT_SIZE cannot be larger than 32"
538 mono_install_callbacks (MonoRuntimeCallbacks *cbs)
540 memcpy (&callbacks, cbs, sizeof (*cbs));
543 MonoRuntimeCallbacks*
544 mono_get_runtime_callbacks (void)
550 mono_install_trampoline (MonoTrampoline func)
552 arch_create_jit_trampoline = func? func: default_trampoline;
556 mono_install_jump_trampoline (MonoJumpTrampoline func)
558 arch_create_jump_trampoline = func? func: default_jump_trampoline;
561 #ifndef DISABLE_REMOTING
563 mono_install_remoting_trampoline (MonoRemotingTrampoline func)
565 arch_create_remoting_trampoline = func? func: default_remoting_trampoline;
570 mono_install_delegate_trampoline (MonoDelegateTrampoline func)
572 arch_create_delegate_trampoline = func? func: default_delegate_trampoline;
576 mono_install_imt_thunk_builder (MonoImtThunkBuilder func) {
577 imt_thunk_builder = func;
581 mono_set_always_build_imt_thunks (gboolean value)
583 always_build_imt_thunks = value;
586 static MonoCompileFunc default_mono_compile_method = NULL;
589 * mono_install_compile_method:
590 * @func: function to install
592 * This is a VM internal routine
595 mono_install_compile_method (MonoCompileFunc func)
597 default_mono_compile_method = func;
601 * mono_compile_method:
602 * @method: The method to compile.
604 * This JIT-compiles the method, and returns the pointer to the native code
608 mono_compile_method (MonoMethod *method)
610 MONO_REQ_GC_NEUTRAL_MODE
612 if (!default_mono_compile_method) {
613 g_error ("compile method called on uninitialized runtime");
616 return default_mono_compile_method (method);
620 mono_runtime_create_jump_trampoline (MonoDomain *domain, MonoMethod *method, gboolean add_sync_wrapper)
622 MONO_REQ_GC_NEUTRAL_MODE
624 return arch_create_jump_trampoline (domain, method, add_sync_wrapper);
628 mono_runtime_create_delegate_trampoline (MonoClass *klass)
630 MONO_REQ_GC_NEUTRAL_MODE
632 return arch_create_delegate_trampoline (mono_domain_get (), klass);
635 static MonoFreeMethodFunc default_mono_free_method = NULL;
638 * mono_install_free_method:
639 * @func: pointer to the MonoFreeMethodFunc used to release a method
641 * This is an internal VM routine, it is used for the engines to
642 * register a handler to release the resources associated with a method.
644 * Methods are freed when no more references to the delegate that holds
648 mono_install_free_method (MonoFreeMethodFunc func)
650 default_mono_free_method = func;
654 * mono_runtime_free_method:
655 * @domain; domain where the method is hosted
656 * @method: method to release
658 * This routine is invoked to free the resources associated with
659 * a method that has been JIT compiled. This is used to discard
660 * methods that were used only temporarily (for example, used in marshalling)
664 mono_runtime_free_method (MonoDomain *domain, MonoMethod *method)
666 MONO_REQ_GC_NEUTRAL_MODE
668 if (default_mono_free_method != NULL)
669 default_mono_free_method (domain, method);
671 mono_method_clear_object (domain, method);
673 mono_free_method (method);
677 * The vtables in the root appdomain are assumed to be reachable by other
678 * roots, and we don't use typed allocation in the other domains.
681 /* The sync block is no longer a GC pointer */
682 #define GC_HEADER_BITMAP (0)
684 #define BITMAP_EL_SIZE (sizeof (gsize) * 8)
687 compute_class_bitmap (MonoClass *klass, gsize *bitmap, int size, int offset, int *max_set, gboolean static_fields)
689 MONO_REQ_GC_NEUTRAL_MODE;
691 MonoClassField *field;
697 max_size = mono_class_data_size (klass) / sizeof (gpointer);
699 max_size = klass->instance_size / sizeof (gpointer);
700 if (max_size > size) {
701 g_assert (offset <= 0);
702 bitmap = (gsize *)g_malloc0 ((max_size + BITMAP_EL_SIZE - 1) / BITMAP_EL_SIZE * sizeof (gsize));
707 /*An Ephemeron cannot be marked by sgen*/
708 if (!static_fields && klass->image == mono_defaults.corlib && !strcmp ("Ephemeron", klass->name)) {
710 memset (bitmap, 0, size / 8);
715 for (p = klass; p != NULL; p = p->parent) {
716 gpointer iter = NULL;
717 while ((field = mono_class_get_fields (p, &iter))) {
721 if (!(field->type->attrs & (FIELD_ATTRIBUTE_STATIC | FIELD_ATTRIBUTE_HAS_FIELD_RVA)))
723 if (field->type->attrs & FIELD_ATTRIBUTE_LITERAL)
726 if (field->type->attrs & (FIELD_ATTRIBUTE_STATIC | FIELD_ATTRIBUTE_HAS_FIELD_RVA))
729 /* FIXME: should not happen, flag as type load error */
730 if (field->type->byref)
733 if (static_fields && field->offset == -1)
737 pos = field->offset / sizeof (gpointer);
740 type = mono_type_get_underlying_type (field->type);
741 switch (type->type) {
744 case MONO_TYPE_FNPTR:
746 /* only UIntPtr is allowed to be GC-tracked and only in mscorlib */
751 if (klass->image != mono_defaults.corlib)
754 case MONO_TYPE_STRING:
755 case MONO_TYPE_SZARRAY:
756 case MONO_TYPE_CLASS:
757 case MONO_TYPE_OBJECT:
758 case MONO_TYPE_ARRAY:
759 g_assert ((field->offset % sizeof(gpointer)) == 0);
761 g_assert (pos < size || pos <= max_size);
762 bitmap [pos / BITMAP_EL_SIZE] |= ((gsize)1) << (pos % BITMAP_EL_SIZE);
763 *max_set = MAX (*max_set, pos);
765 case MONO_TYPE_GENERICINST:
766 if (!mono_type_generic_inst_is_valuetype (type)) {
767 g_assert ((field->offset % sizeof(gpointer)) == 0);
769 bitmap [pos / BITMAP_EL_SIZE] |= ((gsize)1) << (pos % BITMAP_EL_SIZE);
770 *max_set = MAX (*max_set, pos);
775 case MONO_TYPE_VALUETYPE: {
776 MonoClass *fclass = mono_class_from_mono_type (field->type);
777 if (fclass->has_references) {
778 /* remove the object header */
779 compute_class_bitmap (fclass, bitmap, size, pos - (sizeof (MonoObject) / sizeof (gpointer)), max_set, FALSE);
793 case MONO_TYPE_BOOLEAN:
797 g_error ("compute_class_bitmap: Invalid type %x for field %s:%s\n", type->type, mono_type_get_full_name (field->parent), field->name);
808 * mono_class_compute_bitmap:
810 * Mono internal function to compute a bitmap of reference fields in a class.
813 mono_class_compute_bitmap (MonoClass *klass, gsize *bitmap, int size, int offset, int *max_set, gboolean static_fields)
815 MONO_REQ_GC_NEUTRAL_MODE;
817 return compute_class_bitmap (klass, bitmap, size, offset, max_set, static_fields);
822 * similar to the above, but sets the bits in the bitmap for any non-ref field
823 * and ignores static fields
826 compute_class_non_ref_bitmap (MonoClass *klass, gsize *bitmap, int size, int offset)
828 MonoClassField *field;
833 max_size = class->instance_size / sizeof (gpointer);
834 if (max_size >= size) {
835 bitmap = g_malloc0 (sizeof (gsize) * ((max_size) + 1));
838 for (p = class; p != NULL; p = p->parent) {
839 gpointer iter = NULL;
840 while ((field = mono_class_get_fields (p, &iter))) {
843 if (field->type->attrs & (FIELD_ATTRIBUTE_STATIC | FIELD_ATTRIBUTE_HAS_FIELD_RVA))
845 /* FIXME: should not happen, flag as type load error */
846 if (field->type->byref)
849 pos = field->offset / sizeof (gpointer);
852 type = mono_type_get_underlying_type (field->type);
853 switch (type->type) {
854 #if SIZEOF_VOID_P == 8
858 case MONO_TYPE_FNPTR:
863 if ((((field->offset + 7) / sizeof (gpointer)) + offset) != pos) {
864 pos2 = ((field->offset + 7) / sizeof (gpointer)) + offset;
865 bitmap [pos2 / BITMAP_EL_SIZE] |= ((gsize)1) << (pos2 % BITMAP_EL_SIZE);
868 #if SIZEOF_VOID_P == 4
872 case MONO_TYPE_FNPTR:
877 if ((((field->offset + 3) / sizeof (gpointer)) + offset) != pos) {
878 pos2 = ((field->offset + 3) / sizeof (gpointer)) + offset;
879 bitmap [pos2 / BITMAP_EL_SIZE] |= ((gsize)1) << (pos2 % BITMAP_EL_SIZE);
885 if ((((field->offset + 1) / sizeof (gpointer)) + offset) != pos) {
886 pos2 = ((field->offset + 1) / sizeof (gpointer)) + offset;
887 bitmap [pos2 / BITMAP_EL_SIZE] |= ((gsize)1) << (pos2 % BITMAP_EL_SIZE);
890 case MONO_TYPE_BOOLEAN:
893 bitmap [pos / BITMAP_EL_SIZE] |= ((gsize)1) << (pos % BITMAP_EL_SIZE);
895 case MONO_TYPE_STRING:
896 case MONO_TYPE_SZARRAY:
897 case MONO_TYPE_CLASS:
898 case MONO_TYPE_OBJECT:
899 case MONO_TYPE_ARRAY:
901 case MONO_TYPE_GENERICINST:
902 if (!mono_type_generic_inst_is_valuetype (type)) {
907 case MONO_TYPE_VALUETYPE: {
908 MonoClass *fclass = mono_class_from_mono_type (field->type);
909 /* remove the object header */
910 compute_class_non_ref_bitmap (fclass, bitmap, size, pos - (sizeof (MonoObject) / sizeof (gpointer)));
914 g_assert_not_reached ();
923 * mono_class_insecure_overlapping:
924 * check if a class with explicit layout has references and non-references
925 * fields overlapping.
927 * Returns: TRUE if it is insecure to load the type.
930 mono_class_insecure_overlapping (MonoClass *klass)
934 gsize default_bitmap [4] = {0};
936 gsize default_nrbitmap [4] = {0};
937 int i, insecure = FALSE;
940 bitmap = compute_class_bitmap (klass, default_bitmap, sizeof (default_bitmap) * 8, 0, &max_set, FALSE);
941 nrbitmap = compute_class_non_ref_bitmap (klass, default_nrbitmap, sizeof (default_nrbitmap) * 8, 0);
943 for (i = 0; i <= max_set; i += sizeof (bitmap [0]) * 8) {
944 int idx = i % (sizeof (bitmap [0]) * 8);
945 if (bitmap [idx] & nrbitmap [idx]) {
950 if (bitmap != default_bitmap)
952 if (nrbitmap != default_nrbitmap)
955 g_print ("class %s.%s in assembly %s has overlapping references\n", klass->name_space, klass->name, klass->image->name);
963 mono_string_alloc (int length)
965 MONO_REQ_GC_UNSAFE_MODE;
968 MonoString *str = mono_string_new_size_checked (mono_domain_get (), length, &error);
969 mono_error_raise_exception (&error); /* FIXME don't raise here */
975 mono_class_compute_gc_descriptor (MonoClass *klass)
977 MONO_REQ_GC_NEUTRAL_MODE;
981 gsize default_bitmap [4] = {0};
982 static gboolean gcj_inited = FALSE;
987 mono_register_jit_icall (ves_icall_object_new_fast, "ves_icall_object_new_fast", mono_create_icall_signature ("object ptr"), FALSE);
988 mono_register_jit_icall (mono_string_alloc, "mono_string_alloc", mono_create_icall_signature ("object int"), FALSE);
991 mono_loader_unlock ();
995 mono_class_init (klass);
997 if (klass->gc_descr_inited)
1000 klass->gc_descr_inited = TRUE;
1001 klass->gc_descr = MONO_GC_DESCRIPTOR_NULL;
1003 bitmap = default_bitmap;
1004 if (klass == mono_defaults.string_class) {
1005 klass->gc_descr = mono_gc_make_descr_for_string (bitmap, 2);
1006 } else if (klass->rank) {
1007 mono_class_compute_gc_descriptor (klass->element_class);
1008 if (MONO_TYPE_IS_REFERENCE (&klass->element_class->byval_arg)) {
1010 klass->gc_descr = mono_gc_make_descr_for_array (klass->byval_arg.type == MONO_TYPE_SZARRAY, &abm, 1, sizeof (gpointer));
1011 /*printf ("new array descriptor: 0x%x for %s.%s\n", class->gc_descr,
1012 class->name_space, class->name);*/
1014 /* remove the object header */
1015 bitmap = compute_class_bitmap (klass->element_class, default_bitmap, sizeof (default_bitmap) * 8, - (int)(sizeof (MonoObject) / sizeof (gpointer)), &max_set, FALSE);
1016 klass->gc_descr = mono_gc_make_descr_for_array (klass->byval_arg.type == MONO_TYPE_SZARRAY, bitmap, mono_array_element_size (klass) / sizeof (gpointer), mono_array_element_size (klass));
1017 /*printf ("new vt array descriptor: 0x%x for %s.%s\n", class->gc_descr,
1018 class->name_space, class->name);*/
1019 if (bitmap != default_bitmap)
1023 /*static int count = 0;
1026 bitmap = compute_class_bitmap (klass, default_bitmap, sizeof (default_bitmap) * 8, 0, &max_set, FALSE);
1027 klass->gc_descr = mono_gc_make_descr_for_object (bitmap, max_set + 1, klass->instance_size);
1029 if (class->gc_descr == MONO_GC_DESCRIPTOR_NULL)
1030 g_print ("disabling typed alloc (%d) for %s.%s\n", max_set, class->name_space, class->name);
1032 /*printf ("new descriptor: %p 0x%x for %s.%s\n", class->gc_descr, bitmap [0], class->name_space, class->name);*/
1033 if (bitmap != default_bitmap)
1039 * field_is_special_static:
1040 * @fklass: The MonoClass to look up.
1041 * @field: The MonoClassField describing the field.
1043 * Returns: SPECIAL_STATIC_THREAD if the field is thread static, SPECIAL_STATIC_CONTEXT if it is context static,
1044 * SPECIAL_STATIC_NONE otherwise.
1047 field_is_special_static (MonoClass *fklass, MonoClassField *field)
1049 MONO_REQ_GC_NEUTRAL_MODE;
1051 MonoCustomAttrInfo *ainfo;
1053 ainfo = mono_custom_attrs_from_field (fklass, field);
1056 for (i = 0; i < ainfo->num_attrs; ++i) {
1057 MonoClass *klass = ainfo->attrs [i].ctor->klass;
1058 if (klass->image == mono_defaults.corlib) {
1059 if (strcmp (klass->name, "ThreadStaticAttribute") == 0) {
1060 mono_custom_attrs_free (ainfo);
1061 return SPECIAL_STATIC_THREAD;
1063 else if (strcmp (klass->name, "ContextStaticAttribute") == 0) {
1064 mono_custom_attrs_free (ainfo);
1065 return SPECIAL_STATIC_CONTEXT;
1069 mono_custom_attrs_free (ainfo);
1070 return SPECIAL_STATIC_NONE;
1073 #define rot(x,k) (((x)<<(k)) | ((x)>>(32-(k))))
1074 #define mix(a,b,c) { \
1075 a -= c; a ^= rot(c, 4); c += b; \
1076 b -= a; b ^= rot(a, 6); a += c; \
1077 c -= b; c ^= rot(b, 8); b += a; \
1078 a -= c; a ^= rot(c,16); c += b; \
1079 b -= a; b ^= rot(a,19); a += c; \
1080 c -= b; c ^= rot(b, 4); b += a; \
1082 #define final(a,b,c) { \
1083 c ^= b; c -= rot(b,14); \
1084 a ^= c; a -= rot(c,11); \
1085 b ^= a; b -= rot(a,25); \
1086 c ^= b; c -= rot(b,16); \
1087 a ^= c; a -= rot(c,4); \
1088 b ^= a; b -= rot(a,14); \
1089 c ^= b; c -= rot(b,24); \
1093 * mono_method_get_imt_slot:
1095 * The IMT slot is embedded into AOTed code, so this must return the same value
1096 * for the same method across all executions. This means:
1097 * - pointers shouldn't be used as hash values.
1098 * - mono_metadata_str_hash () should be used for hashing strings.
1101 mono_method_get_imt_slot (MonoMethod *method)
1103 MONO_REQ_GC_NEUTRAL_MODE;
1105 MonoMethodSignature *sig;
1107 guint32 *hashes_start, *hashes;
1111 /* This can be used to stress tests the collision code */
1115 * We do this to simplify generic sharing. It will hurt
1116 * performance in cases where a class implements two different
1117 * instantiations of the same generic interface.
1118 * The code in build_imt_slots () depends on this.
1120 if (method->is_inflated)
1121 method = ((MonoMethodInflated*)method)->declaring;
1123 sig = mono_method_signature (method);
1124 hashes_count = sig->param_count + 4;
1125 hashes_start = (guint32 *)malloc (hashes_count * sizeof (guint32));
1126 hashes = hashes_start;
1128 if (! MONO_CLASS_IS_INTERFACE (method->klass)) {
1129 g_error ("mono_method_get_imt_slot: %s.%s.%s is not an interface MonoMethod",
1130 method->klass->name_space, method->klass->name, method->name);
1133 /* Initialize hashes */
1134 hashes [0] = mono_metadata_str_hash (method->klass->name);
1135 hashes [1] = mono_metadata_str_hash (method->klass->name_space);
1136 hashes [2] = mono_metadata_str_hash (method->name);
1137 hashes [3] = mono_metadata_type_hash (sig->ret);
1138 for (i = 0; i < sig->param_count; i++) {
1139 hashes [4 + i] = mono_metadata_type_hash (sig->params [i]);
1142 /* Setup internal state */
1143 a = b = c = 0xdeadbeef + (((guint32)hashes_count)<<2);
1145 /* Handle most of the hashes */
1146 while (hashes_count > 3) {
1155 /* Handle the last 3 hashes (all the case statements fall through) */
1156 switch (hashes_count) {
1157 case 3 : c += hashes [2];
1158 case 2 : b += hashes [1];
1159 case 1 : a += hashes [0];
1161 case 0: /* nothing left to add */
1165 free (hashes_start);
1166 /* Report the result */
1167 return c % MONO_IMT_SIZE;
1176 add_imt_builder_entry (MonoImtBuilderEntry **imt_builder, MonoMethod *method, guint32 *imt_collisions_bitmap, int vtable_slot, int slot_num) {
1177 MONO_REQ_GC_NEUTRAL_MODE;
1179 guint32 imt_slot = mono_method_get_imt_slot (method);
1180 MonoImtBuilderEntry *entry;
1182 if (slot_num >= 0 && imt_slot != slot_num) {
1183 /* we build just a single imt slot and this is not it */
1187 entry = (MonoImtBuilderEntry *)g_malloc0 (sizeof (MonoImtBuilderEntry));
1188 entry->key = method;
1189 entry->value.vtable_slot = vtable_slot;
1190 entry->next = imt_builder [imt_slot];
1191 if (imt_builder [imt_slot] != NULL) {
1192 entry->children = imt_builder [imt_slot]->children + 1;
1193 if (entry->children == 1) {
1194 mono_stats.imt_slots_with_collisions++;
1195 *imt_collisions_bitmap |= (1 << imt_slot);
1198 entry->children = 0;
1199 mono_stats.imt_used_slots++;
1201 imt_builder [imt_slot] = entry;
1204 char *method_name = mono_method_full_name (method, TRUE);
1205 printf ("Added IMT slot for method (%p) %s: imt_slot = %d, vtable_slot = %d, colliding with other %d entries\n",
1206 method, method_name, imt_slot, vtable_slot, entry->children);
1207 g_free (method_name);
1214 print_imt_entry (const char* message, MonoImtBuilderEntry *e, int num) {
1216 MonoMethod *method = e->key;
1217 printf (" * %s [%d]: (%p) '%s.%s.%s'\n",
1221 method->klass->name_space,
1222 method->klass->name,
1225 printf (" * %s: NULL\n", message);
1231 compare_imt_builder_entries (const void *p1, const void *p2) {
1232 MonoImtBuilderEntry *e1 = *(MonoImtBuilderEntry**) p1;
1233 MonoImtBuilderEntry *e2 = *(MonoImtBuilderEntry**) p2;
1235 return (e1->key < e2->key) ? -1 : ((e1->key > e2->key) ? 1 : 0);
1239 imt_emit_ir (MonoImtBuilderEntry **sorted_array, int start, int end, GPtrArray *out_array)
1241 MONO_REQ_GC_NEUTRAL_MODE;
1243 int count = end - start;
1244 int chunk_start = out_array->len;
1247 for (i = start; i < end; ++i) {
1248 MonoIMTCheckItem *item = g_new0 (MonoIMTCheckItem, 1);
1249 item->key = sorted_array [i]->key;
1250 item->value = sorted_array [i]->value;
1251 item->has_target_code = sorted_array [i]->has_target_code;
1252 item->is_equals = TRUE;
1254 item->check_target_idx = out_array->len + 1;
1256 item->check_target_idx = 0;
1257 g_ptr_array_add (out_array, item);
1260 int middle = start + count / 2;
1261 MonoIMTCheckItem *item = g_new0 (MonoIMTCheckItem, 1);
1263 item->key = sorted_array [middle]->key;
1264 item->is_equals = FALSE;
1265 g_ptr_array_add (out_array, item);
1266 imt_emit_ir (sorted_array, start, middle, out_array);
1267 item->check_target_idx = imt_emit_ir (sorted_array, middle, end, out_array);
1273 imt_sort_slot_entries (MonoImtBuilderEntry *entries) {
1274 MONO_REQ_GC_NEUTRAL_MODE;
1276 int number_of_entries = entries->children + 1;
1277 MonoImtBuilderEntry **sorted_array = (MonoImtBuilderEntry **)malloc (sizeof (MonoImtBuilderEntry*) * number_of_entries);
1278 GPtrArray *result = g_ptr_array_new ();
1279 MonoImtBuilderEntry *current_entry;
1282 for (current_entry = entries, i = 0; current_entry != NULL; current_entry = current_entry->next, i++) {
1283 sorted_array [i] = current_entry;
1285 qsort (sorted_array, number_of_entries, sizeof (MonoImtBuilderEntry*), compare_imt_builder_entries);
1287 /*for (i = 0; i < number_of_entries; i++) {
1288 print_imt_entry (" sorted array:", sorted_array [i], i);
1291 imt_emit_ir (sorted_array, 0, number_of_entries, result);
1293 free (sorted_array);
1298 initialize_imt_slot (MonoVTable *vtable, MonoDomain *domain, MonoImtBuilderEntry *imt_builder_entry, gpointer fail_tramp)
1300 MONO_REQ_GC_NEUTRAL_MODE;
1302 if (imt_builder_entry != NULL) {
1303 if (imt_builder_entry->children == 0 && !fail_tramp && !always_build_imt_thunks) {
1304 /* No collision, return the vtable slot contents */
1305 return vtable->vtable [imt_builder_entry->value.vtable_slot];
1307 /* Collision, build the thunk */
1308 GPtrArray *imt_ir = imt_sort_slot_entries (imt_builder_entry);
1311 result = imt_thunk_builder (vtable, domain,
1312 (MonoIMTCheckItem**)imt_ir->pdata, imt_ir->len, fail_tramp);
1313 for (i = 0; i < imt_ir->len; ++i)
1314 g_free (g_ptr_array_index (imt_ir, i));
1315 g_ptr_array_free (imt_ir, TRUE);
1327 static MonoImtBuilderEntry*
1328 get_generic_virtual_entries (MonoDomain *domain, gpointer *vtable_slot);
1331 * LOCKING: requires the loader and domain locks.
1335 build_imt_slots (MonoClass *klass, MonoVTable *vt, MonoDomain *domain, gpointer* imt, GSList *extra_interfaces, int slot_num)
1337 MONO_REQ_GC_NEUTRAL_MODE;
1341 guint32 imt_collisions_bitmap = 0;
1342 MonoImtBuilderEntry **imt_builder = (MonoImtBuilderEntry **)calloc (MONO_IMT_SIZE, sizeof (MonoImtBuilderEntry*));
1343 int method_count = 0;
1344 gboolean record_method_count_for_max_collisions = FALSE;
1345 gboolean has_generic_virtual = FALSE, has_variant_iface = FALSE;
1348 printf ("Building IMT for class %s.%s slot %d\n", klass->name_space, klass->name, slot_num);
1350 for (i = 0; i < klass->interface_offsets_count; ++i) {
1351 MonoClass *iface = klass->interfaces_packed [i];
1352 int interface_offset = klass->interface_offsets_packed [i];
1353 int method_slot_in_interface, vt_slot;
1355 if (mono_class_has_variant_generic_params (iface))
1356 has_variant_iface = TRUE;
1358 mono_class_setup_methods (iface);
1359 vt_slot = interface_offset;
1360 for (method_slot_in_interface = 0; method_slot_in_interface < iface->method.count; method_slot_in_interface++) {
1363 if (slot_num >= 0 && iface->is_inflated) {
1365 * The imt slot of the method is the same as for its declaring method,
1366 * see the comment in mono_method_get_imt_slot (), so we can
1367 * avoid inflating methods which will be discarded by
1368 * add_imt_builder_entry anyway.
1370 method = mono_class_get_method_by_index (iface->generic_class->container_class, method_slot_in_interface);
1371 if (mono_method_get_imt_slot (method) != slot_num) {
1376 method = mono_class_get_method_by_index (iface, method_slot_in_interface);
1377 if (method->is_generic) {
1378 has_generic_virtual = TRUE;
1383 if (!(method->flags & METHOD_ATTRIBUTE_STATIC)) {
1384 add_imt_builder_entry (imt_builder, method, &imt_collisions_bitmap, vt_slot, slot_num);
1389 if (extra_interfaces) {
1390 int interface_offset = klass->vtable_size;
1392 for (list_item = extra_interfaces; list_item != NULL; list_item=list_item->next) {
1393 MonoClass* iface = (MonoClass *)list_item->data;
1394 int method_slot_in_interface;
1395 for (method_slot_in_interface = 0; method_slot_in_interface < iface->method.count; method_slot_in_interface++) {
1396 MonoMethod *method = mono_class_get_method_by_index (iface, method_slot_in_interface);
1398 if (method->is_generic)
1399 has_generic_virtual = TRUE;
1400 add_imt_builder_entry (imt_builder, method, &imt_collisions_bitmap, interface_offset + method_slot_in_interface, slot_num);
1402 interface_offset += iface->method.count;
1405 for (i = 0; i < MONO_IMT_SIZE; ++i) {
1406 /* overwrite the imt slot only if we're building all the entries or if
1407 * we're building this specific one
1409 if (slot_num < 0 || i == slot_num) {
1410 MonoImtBuilderEntry *entries = get_generic_virtual_entries (domain, &imt [i]);
1413 if (imt_builder [i]) {
1414 MonoImtBuilderEntry *entry;
1416 /* Link entries with imt_builder [i] */
1417 for (entry = entries; entry->next; entry = entry->next) {
1419 MonoMethod *method = (MonoMethod*)entry->key;
1420 char *method_name = mono_method_full_name (method, TRUE);
1421 printf ("Added extra entry for method (%p) %s: imt_slot = %d\n", method, method_name, i);
1422 g_free (method_name);
1425 entry->next = imt_builder [i];
1426 entries->children += imt_builder [i]->children + 1;
1428 imt_builder [i] = entries;
1431 if (has_generic_virtual || has_variant_iface) {
1433 * There might be collisions later when the the thunk is expanded.
1435 imt_collisions_bitmap |= (1 << i);
1438 * The IMT thunk might be called with an instance of one of the
1439 * generic virtual methods, so has to fallback to the IMT trampoline.
1441 imt [i] = initialize_imt_slot (vt, domain, imt_builder [i], callbacks.get_imt_trampoline (vt, i));
1443 imt [i] = initialize_imt_slot (vt, domain, imt_builder [i], NULL);
1446 printf ("initialize_imt_slot[%d]: %p methods %d\n", i, imt [i], imt_builder [i]->children + 1);
1450 if (imt_builder [i] != NULL) {
1451 int methods_in_slot = imt_builder [i]->children + 1;
1452 if (methods_in_slot > mono_stats.imt_max_collisions_in_slot) {
1453 mono_stats.imt_max_collisions_in_slot = methods_in_slot;
1454 record_method_count_for_max_collisions = TRUE;
1456 method_count += methods_in_slot;
1460 mono_stats.imt_number_of_methods += method_count;
1461 if (record_method_count_for_max_collisions) {
1462 mono_stats.imt_method_count_when_max_collisions = method_count;
1465 for (i = 0; i < MONO_IMT_SIZE; i++) {
1466 MonoImtBuilderEntry* entry = imt_builder [i];
1467 while (entry != NULL) {
1468 MonoImtBuilderEntry* next = entry->next;
1474 /* we OR the bitmap since we may build just a single imt slot at a time */
1475 vt->imt_collisions_bitmap |= imt_collisions_bitmap;
1479 build_imt (MonoClass *klass, MonoVTable *vt, MonoDomain *domain, gpointer* imt, GSList *extra_interfaces) {
1480 MONO_REQ_GC_NEUTRAL_MODE;
1482 build_imt_slots (klass, vt, domain, imt, extra_interfaces, -1);
1486 * mono_vtable_build_imt_slot:
1487 * @vtable: virtual object table struct
1488 * @imt_slot: slot in the IMT table
1490 * Fill the given @imt_slot in the IMT table of @vtable with
1491 * a trampoline or a thunk for the case of collisions.
1492 * This is part of the internal mono API.
1494 * LOCKING: Take the domain lock.
1497 mono_vtable_build_imt_slot (MonoVTable* vtable, int imt_slot)
1499 MONO_REQ_GC_NEUTRAL_MODE;
1501 gpointer *imt = (gpointer*)vtable;
1502 imt -= MONO_IMT_SIZE;
1503 g_assert (imt_slot >= 0 && imt_slot < MONO_IMT_SIZE);
1505 /* no support for extra interfaces: the proxy objects will need
1506 * to build the complete IMT
1507 * Update and heck needs to ahppen inside the proper domain lock, as all
1508 * the changes made to a MonoVTable.
1510 mono_loader_lock (); /*FIXME build_imt_slots requires the loader lock.*/
1511 mono_domain_lock (vtable->domain);
1512 /* we change the slot only if it wasn't changed from the generic imt trampoline already */
1513 if (!callbacks.imt_entry_inited (vtable, imt_slot))
1514 build_imt_slots (vtable->klass, vtable, vtable->domain, imt, NULL, imt_slot);
1515 mono_domain_unlock (vtable->domain);
1516 mono_loader_unlock ();
1521 * The first two free list entries both belong to the wait list: The
1522 * first entry is the pointer to the head of the list and the second
1523 * entry points to the last element. That way appending and removing
1524 * the first element are both O(1) operations.
1526 #ifdef MONO_SMALL_CONFIG
1527 #define NUM_FREE_LISTS 6
1529 #define NUM_FREE_LISTS 12
1531 #define FIRST_FREE_LIST_SIZE 64
1532 #define MAX_WAIT_LENGTH 50
1533 #define THUNK_THRESHOLD 10
1536 * LOCKING: The domain lock must be held.
1539 init_thunk_free_lists (MonoDomain *domain)
1541 MONO_REQ_GC_NEUTRAL_MODE;
1543 if (domain->thunk_free_lists)
1545 domain->thunk_free_lists = (MonoThunkFreeList **)mono_domain_alloc0 (domain, sizeof (gpointer) * NUM_FREE_LISTS);
1549 list_index_for_size (int item_size)
1552 int size = FIRST_FREE_LIST_SIZE;
1554 while (item_size > size && i < NUM_FREE_LISTS - 1) {
1563 * mono_method_alloc_generic_virtual_thunk:
1565 * @size: size in bytes
1567 * Allocs size bytes to be used for the code of a generic virtual
1568 * thunk. It's either allocated from the domain's code manager or
1569 * reused from a previously invalidated piece.
1571 * LOCKING: The domain lock must be held.
1574 mono_method_alloc_generic_virtual_thunk (MonoDomain *domain, int size)
1576 MONO_REQ_GC_NEUTRAL_MODE;
1578 static gboolean inited = FALSE;
1579 static int generic_virtual_thunks_size = 0;
1583 MonoThunkFreeList **l;
1585 init_thunk_free_lists (domain);
1587 size += sizeof (guint32);
1588 if (size < sizeof (MonoThunkFreeList))
1589 size = sizeof (MonoThunkFreeList);
1591 i = list_index_for_size (size);
1592 for (l = &domain->thunk_free_lists [i]; *l; l = &(*l)->next) {
1593 if ((*l)->size >= size) {
1594 MonoThunkFreeList *item = *l;
1596 return ((guint32*)item) + 1;
1600 /* no suitable item found - search lists of larger sizes */
1601 while (++i < NUM_FREE_LISTS) {
1602 MonoThunkFreeList *item = domain->thunk_free_lists [i];
1605 g_assert (item->size > size);
1606 domain->thunk_free_lists [i] = item->next;
1607 return ((guint32*)item) + 1;
1610 /* still nothing found - allocate it */
1612 mono_counters_register ("Generic virtual thunk bytes",
1613 MONO_COUNTER_GENERICS | MONO_COUNTER_INT, &generic_virtual_thunks_size);
1616 generic_virtual_thunks_size += size;
1618 p = (guint32 *)mono_domain_code_reserve (domain, size);
1621 mono_domain_lock (domain);
1622 if (!domain->generic_virtual_thunks)
1623 domain->generic_virtual_thunks = g_hash_table_new (NULL, NULL);
1624 g_hash_table_insert (domain->generic_virtual_thunks, p, p);
1625 mono_domain_unlock (domain);
1631 * LOCKING: The domain lock must be held.
1634 invalidate_generic_virtual_thunk (MonoDomain *domain, gpointer code)
1636 MONO_REQ_GC_NEUTRAL_MODE;
1638 guint32 *p = (guint32 *)code;
1639 MonoThunkFreeList *l = (MonoThunkFreeList*)(p - 1);
1640 gboolean found = FALSE;
1642 mono_domain_lock (domain);
1643 if (!domain->generic_virtual_thunks)
1644 domain->generic_virtual_thunks = g_hash_table_new (NULL, NULL);
1645 if (g_hash_table_lookup (domain->generic_virtual_thunks, l))
1647 mono_domain_unlock (domain);
1650 /* Not allocated by mono_method_alloc_generic_virtual_thunk (), i.e. AOT */
1652 init_thunk_free_lists (domain);
1654 while (domain->thunk_free_lists [0] && domain->thunk_free_lists [0]->length >= MAX_WAIT_LENGTH) {
1655 MonoThunkFreeList *item = domain->thunk_free_lists [0];
1656 int length = item->length;
1659 /* unlink the first item from the wait list */
1660 domain->thunk_free_lists [0] = item->next;
1661 domain->thunk_free_lists [0]->length = length - 1;
1663 i = list_index_for_size (item->size);
1665 /* put it in the free list */
1666 item->next = domain->thunk_free_lists [i];
1667 domain->thunk_free_lists [i] = item;
1671 if (domain->thunk_free_lists [1]) {
1672 domain->thunk_free_lists [1] = domain->thunk_free_lists [1]->next = l;
1673 domain->thunk_free_lists [0]->length++;
1675 g_assert (!domain->thunk_free_lists [0]);
1677 domain->thunk_free_lists [0] = domain->thunk_free_lists [1] = l;
1678 domain->thunk_free_lists [0]->length = 1;
1682 typedef struct _GenericVirtualCase {
1686 struct _GenericVirtualCase *next;
1687 } GenericVirtualCase;
1690 * get_generic_virtual_entries:
1692 * Return IMT entries for the generic virtual method instances and
1693 * variant interface methods for vtable slot
1696 static MonoImtBuilderEntry*
1697 get_generic_virtual_entries (MonoDomain *domain, gpointer *vtable_slot)
1699 MONO_REQ_GC_NEUTRAL_MODE;
1701 GenericVirtualCase *list;
1702 MonoImtBuilderEntry *entries;
1704 mono_domain_lock (domain);
1705 if (!domain->generic_virtual_cases)
1706 domain->generic_virtual_cases = g_hash_table_new (mono_aligned_addr_hash, NULL);
1708 list = (GenericVirtualCase *)g_hash_table_lookup (domain->generic_virtual_cases, vtable_slot);
1711 for (; list; list = list->next) {
1712 MonoImtBuilderEntry *entry;
1714 if (list->count < THUNK_THRESHOLD)
1717 entry = g_new0 (MonoImtBuilderEntry, 1);
1718 entry->key = list->method;
1719 entry->value.target_code = mono_get_addr_from_ftnptr (list->code);
1720 entry->has_target_code = 1;
1722 entry->children = entries->children + 1;
1723 entry->next = entries;
1727 mono_domain_unlock (domain);
1729 /* FIXME: Leaking memory ? */
1734 * mono_method_add_generic_virtual_invocation:
1736 * @vtable_slot: pointer to the vtable slot
1737 * @method: the inflated generic virtual method
1738 * @code: the method's code
1740 * Registers a call via unmanaged code to a generic virtual method
1741 * instantiation or variant interface method. If the number of calls reaches a threshold
1742 * (THUNK_THRESHOLD), the method is added to the vtable slot's generic
1743 * virtual method thunk.
1746 mono_method_add_generic_virtual_invocation (MonoDomain *domain, MonoVTable *vtable,
1747 gpointer *vtable_slot,
1748 MonoMethod *method, gpointer code)
1750 MONO_REQ_GC_NEUTRAL_MODE;
1752 static gboolean inited = FALSE;
1753 static int num_added = 0;
1755 GenericVirtualCase *gvc, *list;
1756 MonoImtBuilderEntry *entries;
1760 mono_domain_lock (domain);
1761 if (!domain->generic_virtual_cases)
1762 domain->generic_virtual_cases = g_hash_table_new (mono_aligned_addr_hash, NULL);
1764 /* Check whether the case was already added */
1765 list = (GenericVirtualCase *)g_hash_table_lookup (domain->generic_virtual_cases, vtable_slot);
1768 if (gvc->method == method)
1773 /* If not found, make a new one */
1775 gvc = (GenericVirtualCase *)mono_domain_alloc (domain, sizeof (GenericVirtualCase));
1776 gvc->method = method;
1779 gvc->next = (GenericVirtualCase *)g_hash_table_lookup (domain->generic_virtual_cases, vtable_slot);
1781 g_hash_table_insert (domain->generic_virtual_cases, vtable_slot, gvc);
1784 mono_counters_register ("Generic virtual cases", MONO_COUNTER_GENERICS | MONO_COUNTER_INT, &num_added);
1790 if (++gvc->count == THUNK_THRESHOLD) {
1791 gpointer *old_thunk = (void **)*vtable_slot;
1792 gpointer vtable_trampoline = NULL;
1793 gpointer imt_trampoline = NULL;
1795 if ((gpointer)vtable_slot < (gpointer)vtable) {
1796 int displacement = (gpointer*)vtable_slot - (gpointer*)vtable;
1797 int imt_slot = MONO_IMT_SIZE + displacement;
1799 /* Force the rebuild of the thunk at the next call */
1800 imt_trampoline = callbacks.get_imt_trampoline (vtable, imt_slot);
1801 *vtable_slot = imt_trampoline;
1803 vtable_trampoline = callbacks.get_vtable_trampoline ? callbacks.get_vtable_trampoline (vtable, (gpointer*)vtable_slot - (gpointer*)vtable->vtable) : NULL;
1805 entries = get_generic_virtual_entries (domain, vtable_slot);
1807 sorted = imt_sort_slot_entries (entries);
1809 *vtable_slot = imt_thunk_builder (NULL, domain, (MonoIMTCheckItem**)sorted->pdata, sorted->len,
1813 MonoImtBuilderEntry *next = entries->next;
1818 for (i = 0; i < sorted->len; ++i)
1819 g_free (g_ptr_array_index (sorted, i));
1820 g_ptr_array_free (sorted, TRUE);
1823 #ifndef __native_client__
1824 /* We don't re-use any thunks as there is a lot of overhead */
1825 /* to deleting and re-using code in Native Client. */
1826 if (old_thunk != vtable_trampoline && old_thunk != imt_trampoline)
1827 invalidate_generic_virtual_thunk (domain, old_thunk);
1831 mono_domain_unlock (domain);
1834 static MonoVTable *mono_class_create_runtime_vtable (MonoDomain *domain, MonoClass *klass, gboolean raise_on_error);
1837 * mono_class_vtable:
1838 * @domain: the application domain
1839 * @class: the class to initialize
1841 * VTables are domain specific because we create domain specific code, and
1842 * they contain the domain specific static class data.
1843 * On failure, NULL is returned, and class->exception_type is set.
1846 mono_class_vtable (MonoDomain *domain, MonoClass *klass)
1848 return mono_class_vtable_full (domain, klass, FALSE);
1852 * mono_class_vtable_full:
1853 * @domain: the application domain
1854 * @class: the class to initialize
1855 * @raise_on_error if an exception should be raised on failure or not
1857 * VTables are domain specific because we create domain specific code, and
1858 * they contain the domain specific static class data.
1861 mono_class_vtable_full (MonoDomain *domain, MonoClass *klass, gboolean raise_on_error)
1863 MONO_REQ_GC_UNSAFE_MODE;
1865 MonoClassRuntimeInfo *runtime_info;
1869 if (klass->exception_type) {
1871 mono_raise_exception (mono_class_get_exception_for_failure (klass));
1875 /* this check can be inlined in jitted code, too */
1876 runtime_info = klass->runtime_info;
1877 if (runtime_info && runtime_info->max_domain >= domain->domain_id && runtime_info->domain_vtables [domain->domain_id])
1878 return runtime_info->domain_vtables [domain->domain_id];
1879 return mono_class_create_runtime_vtable (domain, klass, raise_on_error);
1883 * mono_class_try_get_vtable:
1884 * @domain: the application domain
1885 * @class: the class to initialize
1887 * This function tries to get the associated vtable from @class if
1888 * it was already created.
1891 mono_class_try_get_vtable (MonoDomain *domain, MonoClass *klass)
1893 MONO_REQ_GC_NEUTRAL_MODE;
1895 MonoClassRuntimeInfo *runtime_info;
1899 runtime_info = klass->runtime_info;
1900 if (runtime_info && runtime_info->max_domain >= domain->domain_id && runtime_info->domain_vtables [domain->domain_id])
1901 return runtime_info->domain_vtables [domain->domain_id];
1906 alloc_vtable (MonoDomain *domain, size_t vtable_size, size_t imt_table_bytes)
1908 MONO_REQ_GC_NEUTRAL_MODE;
1910 size_t alloc_offset;
1913 * We want the pointer to the MonoVTable aligned to 8 bytes because SGen uses three
1914 * address bits. The IMT has an odd number of entries, however, so on 32 bits the
1915 * alignment will be off. In that case we allocate 4 more bytes and skip over them.
1917 if (sizeof (gpointer) == 4 && (imt_table_bytes & 7)) {
1918 g_assert ((imt_table_bytes & 7) == 4);
1925 return (gpointer*) ((char*)mono_domain_alloc0 (domain, vtable_size) + alloc_offset);
1929 mono_class_create_runtime_vtable (MonoDomain *domain, MonoClass *klass, gboolean raise_on_error)
1931 MONO_REQ_GC_UNSAFE_MODE;
1934 MonoClassRuntimeInfo *runtime_info, *old_info;
1935 MonoClassField *field;
1937 int i, vtable_slots;
1938 size_t imt_table_bytes;
1940 guint32 vtable_size, class_size;
1942 gpointer *interface_offsets;
1944 mono_loader_lock (); /*FIXME mono_class_init acquires it*/
1945 mono_domain_lock (domain);
1946 runtime_info = klass->runtime_info;
1947 if (runtime_info && runtime_info->max_domain >= domain->domain_id && runtime_info->domain_vtables [domain->domain_id]) {
1948 mono_domain_unlock (domain);
1949 mono_loader_unlock ();
1950 return runtime_info->domain_vtables [domain->domain_id];
1952 if (!klass->inited || klass->exception_type) {
1953 if (!mono_class_init (klass) || klass->exception_type) {
1954 mono_domain_unlock (domain);
1955 mono_loader_unlock ();
1957 mono_raise_exception (mono_class_get_exception_for_failure (klass));
1962 /* Array types require that their element type be valid*/
1963 if (klass->byval_arg.type == MONO_TYPE_ARRAY || klass->byval_arg.type == MONO_TYPE_SZARRAY) {
1964 MonoClass *element_class = klass->element_class;
1965 if (!element_class->inited)
1966 mono_class_init (element_class);
1968 /*mono_class_init can leave the vtable layout to be lazily done and we can't afford this here*/
1969 if (element_class->exception_type == MONO_EXCEPTION_NONE && !element_class->vtable_size)
1970 mono_class_setup_vtable (element_class);
1972 if (element_class->exception_type != MONO_EXCEPTION_NONE) {
1973 /*Can happen if element_class only got bad after mono_class_setup_vtable*/
1974 if (klass->exception_type == MONO_EXCEPTION_NONE)
1975 mono_class_set_failure (klass, MONO_EXCEPTION_TYPE_LOAD, NULL);
1976 mono_domain_unlock (domain);
1977 mono_loader_unlock ();
1979 mono_raise_exception (mono_class_get_exception_for_failure (klass));
1985 * For some classes, mono_class_init () already computed klass->vtable_size, and
1986 * that is all that is needed because of the vtable trampolines.
1988 if (!klass->vtable_size)
1989 mono_class_setup_vtable (klass);
1991 if (klass->generic_class && !klass->vtable)
1992 mono_class_check_vtable_constraints (klass, NULL);
1994 /* Initialize klass->has_finalize */
1995 mono_class_has_finalizer (klass);
1997 if (klass->exception_type) {
1998 mono_domain_unlock (domain);
1999 mono_loader_unlock ();
2001 mono_raise_exception (mono_class_get_exception_for_failure (klass));
2005 vtable_slots = klass->vtable_size;
2006 /* we add an additional vtable slot to store the pointer to static field data only when needed */
2007 class_size = mono_class_data_size (klass);
2011 if (klass->interface_offsets_count) {
2012 imt_table_bytes = sizeof (gpointer) * (MONO_IMT_SIZE);
2013 mono_stats.imt_number_of_tables++;
2014 mono_stats.imt_tables_size += imt_table_bytes;
2016 imt_table_bytes = 0;
2019 vtable_size = imt_table_bytes + MONO_SIZEOF_VTABLE + vtable_slots * sizeof (gpointer);
2021 mono_stats.used_class_count++;
2022 mono_stats.class_vtable_size += vtable_size;
2024 interface_offsets = alloc_vtable (domain, vtable_size, imt_table_bytes);
2025 vt = (MonoVTable*) ((char*)interface_offsets + imt_table_bytes);
2026 g_assert (!((gsize)vt & 7));
2029 vt->rank = klass->rank;
2030 vt->domain = domain;
2032 mono_class_compute_gc_descriptor (klass);
2034 * We can't use typed allocation in the non-root domains, since the
2035 * collector needs the GC descriptor stored in the vtable even after
2036 * the mempool containing the vtable is destroyed when the domain is
2037 * unloaded. An alternative might be to allocate vtables in the GC
2038 * heap, but this does not seem to work (it leads to crashes inside
2039 * libgc). If that approach is tried, two gc descriptors need to be
2040 * allocated for each class: one for the root domain, and one for all
2041 * other domains. The second descriptor should contain a bit for the
2042 * vtable field in MonoObject, since we can no longer assume the
2043 * vtable is reachable by other roots after the appdomain is unloaded.
2045 #ifdef HAVE_BOEHM_GC
2046 if (domain != mono_get_root_domain () && !mono_dont_free_domains)
2047 vt->gc_descr = MONO_GC_DESCRIPTOR_NULL;
2050 vt->gc_descr = klass->gc_descr;
2052 gc_bits = mono_gc_get_vtable_bits (klass);
2053 g_assert (!(gc_bits & ~((1 << MONO_VTABLE_AVAILABLE_GC_BITS) - 1)));
2055 vt->gc_bits = gc_bits;
2058 /* we store the static field pointer at the end of the vtable: vt->vtable [class->vtable_size] */
2059 if (klass->has_static_refs) {
2060 MonoGCDescriptor statics_gc_descr;
2062 gsize default_bitmap [4] = {0};
2065 bitmap = compute_class_bitmap (klass, default_bitmap, sizeof (default_bitmap) * 8, 0, &max_set, TRUE);
2066 /*g_print ("bitmap 0x%x for %s.%s (size: %d)\n", bitmap [0], klass->name_space, klass->name, class_size);*/
2067 statics_gc_descr = mono_gc_make_descr_from_bitmap (bitmap, max_set + 1);
2068 vt->vtable [klass->vtable_size] = mono_gc_alloc_fixed (class_size, statics_gc_descr, MONO_ROOT_SOURCE_STATIC, "managed static variables");
2069 mono_domain_add_class_static_data (domain, klass, vt->vtable [klass->vtable_size], NULL);
2070 if (bitmap != default_bitmap)
2073 vt->vtable [klass->vtable_size] = mono_domain_alloc0 (domain, class_size);
2075 vt->has_static_fields = TRUE;
2076 mono_stats.class_static_data_size += class_size;
2080 while ((field = mono_class_get_fields (klass, &iter))) {
2081 if (!(field->type->attrs & FIELD_ATTRIBUTE_STATIC))
2083 if (mono_field_is_deleted (field))
2085 if (!(field->type->attrs & FIELD_ATTRIBUTE_LITERAL)) {
2086 gint32 special_static = klass->no_special_static_fields ? SPECIAL_STATIC_NONE : field_is_special_static (klass, field);
2087 if (special_static != SPECIAL_STATIC_NONE) {
2088 guint32 size, offset;
2090 gsize default_bitmap [4] = {0};
2095 if (mono_type_is_reference (field->type)) {
2096 default_bitmap [0] = 1;
2098 bitmap = default_bitmap;
2099 } else if (mono_type_is_struct (field->type)) {
2100 fclass = mono_class_from_mono_type (field->type);
2101 bitmap = compute_class_bitmap (fclass, default_bitmap, sizeof (default_bitmap) * 8, - (int)(sizeof (MonoObject) / sizeof (gpointer)), &max_set, FALSE);
2102 numbits = max_set + 1;
2104 default_bitmap [0] = 0;
2106 bitmap = default_bitmap;
2108 size = mono_type_size (field->type, &align);
2109 offset = mono_alloc_special_static_data (special_static, size, align, (uintptr_t*)bitmap, numbits);
2110 if (!domain->special_static_fields)
2111 domain->special_static_fields = g_hash_table_new (NULL, NULL);
2112 g_hash_table_insert (domain->special_static_fields, field, GUINT_TO_POINTER (offset));
2113 if (bitmap != default_bitmap)
2116 * This marks the field as special static to speed up the
2117 * checks in mono_field_static_get/set_value ().
2123 if ((field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_RVA)) {
2124 MonoClass *fklass = mono_class_from_mono_type (field->type);
2125 const char *data = mono_field_get_data (field);
2127 g_assert (!(field->type->attrs & FIELD_ATTRIBUTE_HAS_DEFAULT));
2128 t = (char*)mono_vtable_get_static_field_data (vt) + field->offset;
2129 /* some fields don't really have rva, they are just zeroed (bss? bug #343083) */
2132 if (fklass->valuetype) {
2133 memcpy (t, data, mono_class_value_size (fklass, NULL));
2135 /* it's a pointer type: add check */
2136 g_assert ((fklass->byval_arg.type == MONO_TYPE_PTR) || (fklass->byval_arg.type == MONO_TYPE_FNPTR));
2143 vt->max_interface_id = klass->max_interface_id;
2144 vt->interface_bitmap = klass->interface_bitmap;
2146 //printf ("Initializing VT for class %s (interface_offsets_count = %d)\n",
2147 // class->name, klass->interface_offsets_count);
2149 /* Initialize vtable */
2150 if (callbacks.get_vtable_trampoline) {
2151 // This also covers the AOT case
2152 for (i = 0; i < klass->vtable_size; ++i) {
2153 vt->vtable [i] = callbacks.get_vtable_trampoline (vt, i);
2156 mono_class_setup_vtable (klass);
2158 for (i = 0; i < klass->vtable_size; ++i) {
2161 if ((cm = klass->vtable [i]))
2162 vt->vtable [i] = arch_create_jit_trampoline (cm);
2166 if (imt_table_bytes) {
2167 /* Now that the vtable is full, we can actually fill up the IMT */
2168 for (i = 0; i < MONO_IMT_SIZE; ++i)
2169 interface_offsets [i] = callbacks.get_imt_trampoline (vt, i);
2173 * FIXME: Is it ok to allocate while holding the domain/loader locks ? If not, we can release them, allocate, then
2174 * re-acquire them and check if another thread has created the vtable in the meantime.
2176 /* Special case System.MonoType to avoid infinite recursion */
2177 if (klass != mono_defaults.monotype_class) {
2178 /*FIXME check for OOM*/
2179 vt->type = mono_type_get_object (domain, &klass->byval_arg);
2180 if (mono_object_get_class ((MonoObject *)vt->type) != mono_defaults.monotype_class)
2181 /* This is unregistered in
2182 unregister_vtable_reflection_type() in
2184 MONO_GC_REGISTER_ROOT_IF_MOVING(vt->type, MONO_ROOT_SOURCE_REFLECTION, "vtable reflection type");
2187 mono_vtable_set_is_remote (vt, mono_class_is_contextbound (klass));
2189 /* class_vtable_array keeps an array of created vtables
2191 g_ptr_array_add (domain->class_vtable_array, vt);
2192 /* klass->runtime_info is protected by the loader lock, both when
2193 * it it enlarged and when it is stored info.
2197 * Store the vtable in klass->runtime_info.
2198 * klass->runtime_info is accessed without locking, so this do this last after the vtable has been constructed.
2200 mono_memory_barrier ();
2202 old_info = klass->runtime_info;
2203 if (old_info && old_info->max_domain >= domain->domain_id) {
2204 /* someone already created a large enough runtime info */
2205 old_info->domain_vtables [domain->domain_id] = vt;
2207 int new_size = domain->domain_id;
2209 new_size = MAX (new_size, old_info->max_domain);
2211 /* make the new size a power of two */
2213 while (new_size > i)
2216 /* this is a bounded memory retention issue: may want to
2217 * handle it differently when we'll have a rcu-like system.
2219 runtime_info = (MonoClassRuntimeInfo *)mono_image_alloc0 (klass->image, MONO_SIZEOF_CLASS_RUNTIME_INFO + new_size * sizeof (gpointer));
2220 runtime_info->max_domain = new_size - 1;
2221 /* copy the stuff from the older info */
2223 memcpy (runtime_info->domain_vtables, old_info->domain_vtables, (old_info->max_domain + 1) * sizeof (gpointer));
2225 runtime_info->domain_vtables [domain->domain_id] = vt;
2227 mono_memory_barrier ();
2228 klass->runtime_info = runtime_info;
2231 if (klass == mono_defaults.monotype_class) {
2232 /*FIXME check for OOM*/
2233 vt->type = mono_type_get_object (domain, &klass->byval_arg);
2234 if (mono_object_get_class ((MonoObject *)vt->type) != mono_defaults.monotype_class)
2235 /* This is unregistered in
2236 unregister_vtable_reflection_type() in
2238 MONO_GC_REGISTER_ROOT_IF_MOVING(vt->type, MONO_ROOT_SOURCE_REFLECTION, "vtable reflection type");
2241 mono_domain_unlock (domain);
2242 mono_loader_unlock ();
2244 /* make sure the parent is initialized */
2245 /*FIXME shouldn't this fail the current type?*/
2247 mono_class_vtable_full (domain, klass->parent, raise_on_error);
2252 #ifndef DISABLE_REMOTING
2254 * mono_class_proxy_vtable:
2255 * @domain: the application domain
2256 * @remove_class: the remote class
2258 * Creates a vtable for transparent proxies. It is basically
2259 * a copy of the real vtable of the class wrapped in @remote_class,
2260 * but all function pointers invoke the remoting functions, and
2261 * vtable->klass points to the transparent proxy class, and not to @class.
2264 mono_class_proxy_vtable (MonoDomain *domain, MonoRemoteClass *remote_class, MonoRemotingTarget target_type)
2266 MONO_REQ_GC_UNSAFE_MODE;
2269 MonoVTable *vt, *pvt;
2270 int i, j, vtsize, max_interface_id, extra_interface_vtsize = 0;
2272 GSList *extra_interfaces = NULL;
2273 MonoClass *klass = remote_class->proxy_class;
2274 gpointer *interface_offsets;
2277 size_t imt_table_bytes;
2279 #ifdef COMPRESSED_INTERFACE_BITMAP
2283 vt = mono_class_vtable (domain, klass);
2284 g_assert (vt); /*FIXME property handle failure*/
2285 max_interface_id = vt->max_interface_id;
2287 /* Calculate vtable space for extra interfaces */
2288 for (j = 0; j < remote_class->interface_count; j++) {
2289 MonoClass* iclass = remote_class->interfaces[j];
2293 /*FIXME test for interfaces with variant generic arguments*/
2294 if (MONO_CLASS_IMPLEMENTS_INTERFACE (klass, iclass->interface_id))
2295 continue; /* interface implemented by the class */
2296 if (g_slist_find (extra_interfaces, iclass))
2299 extra_interfaces = g_slist_prepend (extra_interfaces, iclass);
2301 method_count = mono_class_num_methods (iclass);
2303 ifaces = mono_class_get_implemented_interfaces (iclass, &error);
2304 g_assert (mono_error_ok (&error)); /*FIXME do proper error handling*/
2306 for (i = 0; i < ifaces->len; ++i) {
2307 MonoClass *ic = (MonoClass *)g_ptr_array_index (ifaces, i);
2308 /*FIXME test for interfaces with variant generic arguments*/
2309 if (MONO_CLASS_IMPLEMENTS_INTERFACE (klass, ic->interface_id))
2310 continue; /* interface implemented by the class */
2311 if (g_slist_find (extra_interfaces, ic))
2313 extra_interfaces = g_slist_prepend (extra_interfaces, ic);
2314 method_count += mono_class_num_methods (ic);
2316 g_ptr_array_free (ifaces, TRUE);
2319 extra_interface_vtsize += method_count * sizeof (gpointer);
2320 if (iclass->max_interface_id > max_interface_id) max_interface_id = iclass->max_interface_id;
2323 imt_table_bytes = sizeof (gpointer) * MONO_IMT_SIZE;
2324 mono_stats.imt_number_of_tables++;
2325 mono_stats.imt_tables_size += imt_table_bytes;
2327 vtsize = imt_table_bytes + MONO_SIZEOF_VTABLE + klass->vtable_size * sizeof (gpointer);
2329 mono_stats.class_vtable_size += vtsize + extra_interface_vtsize;
2331 interface_offsets = alloc_vtable (domain, vtsize + extra_interface_vtsize, imt_table_bytes);
2332 pvt = (MonoVTable*) ((char*)interface_offsets + imt_table_bytes);
2333 g_assert (!((gsize)pvt & 7));
2335 memcpy (pvt, vt, MONO_SIZEOF_VTABLE + klass->vtable_size * sizeof (gpointer));
2337 pvt->klass = mono_defaults.transparent_proxy_class;
2338 /* we need to keep the GC descriptor for a transparent proxy or we confuse the precise GC */
2339 pvt->gc_descr = mono_defaults.transparent_proxy_class->gc_descr;
2341 /* initialize vtable */
2342 mono_class_setup_vtable (klass);
2343 for (i = 0; i < klass->vtable_size; ++i) {
2346 if ((cm = klass->vtable [i]))
2347 pvt->vtable [i] = arch_create_remoting_trampoline (domain, cm, target_type);
2349 pvt->vtable [i] = NULL;
2352 if (klass->flags & TYPE_ATTRIBUTE_ABSTRACT) {
2353 /* create trampolines for abstract methods */
2354 for (k = klass; k; k = k->parent) {
2356 gpointer iter = NULL;
2357 while ((m = mono_class_get_methods (k, &iter)))
2358 if (!pvt->vtable [m->slot])
2359 pvt->vtable [m->slot] = arch_create_remoting_trampoline (domain, m, target_type);
2363 pvt->max_interface_id = max_interface_id;
2364 bsize = sizeof (guint8) * (max_interface_id/8 + 1 );
2365 #ifdef COMPRESSED_INTERFACE_BITMAP
2366 bitmap = (uint8_t *)g_malloc0 (bsize);
2368 bitmap = (uint8_t *)mono_domain_alloc0 (domain, bsize);
2371 for (i = 0; i < klass->interface_offsets_count; ++i) {
2372 int interface_id = klass->interfaces_packed [i]->interface_id;
2373 bitmap [interface_id >> 3] |= (1 << (interface_id & 7));
2376 if (extra_interfaces) {
2377 int slot = klass->vtable_size;
2383 /* Create trampolines for the methods of the interfaces */
2384 for (list_item = extra_interfaces; list_item != NULL; list_item=list_item->next) {
2385 interf = (MonoClass *)list_item->data;
2387 bitmap [interf->interface_id >> 3] |= (1 << (interf->interface_id & 7));
2391 while ((cm = mono_class_get_methods (interf, &iter)))
2392 pvt->vtable [slot + j++] = arch_create_remoting_trampoline (domain, cm, target_type);
2394 slot += mono_class_num_methods (interf);
2398 /* Now that the vtable is full, we can actually fill up the IMT */
2399 build_imt (klass, pvt, domain, interface_offsets, extra_interfaces);
2400 if (extra_interfaces) {
2401 g_slist_free (extra_interfaces);
2404 #ifdef COMPRESSED_INTERFACE_BITMAP
2405 bcsize = mono_compress_bitmap (NULL, bitmap, bsize);
2406 pvt->interface_bitmap = mono_domain_alloc0 (domain, bcsize);
2407 mono_compress_bitmap (pvt->interface_bitmap, bitmap, bsize);
2410 pvt->interface_bitmap = bitmap;
2415 #endif /* DISABLE_REMOTING */
2418 * mono_class_field_is_special_static:
2420 * Returns whether @field is a thread/context static field.
2423 mono_class_field_is_special_static (MonoClassField *field)
2425 MONO_REQ_GC_NEUTRAL_MODE
2427 if (!(field->type->attrs & FIELD_ATTRIBUTE_STATIC))
2429 if (mono_field_is_deleted (field))
2431 if (!(field->type->attrs & FIELD_ATTRIBUTE_LITERAL)) {
2432 if (field_is_special_static (field->parent, field) != SPECIAL_STATIC_NONE)
2439 * mono_class_field_get_special_static_type:
2440 * @field: The MonoClassField describing the field.
2442 * Returns: SPECIAL_STATIC_THREAD if the field is thread static, SPECIAL_STATIC_CONTEXT if it is context static,
2443 * SPECIAL_STATIC_NONE otherwise.
2446 mono_class_field_get_special_static_type (MonoClassField *field)
2448 MONO_REQ_GC_NEUTRAL_MODE
2450 if (!(field->type->attrs & FIELD_ATTRIBUTE_STATIC))
2451 return SPECIAL_STATIC_NONE;
2452 if (mono_field_is_deleted (field))
2453 return SPECIAL_STATIC_NONE;
2454 if (!(field->type->attrs & FIELD_ATTRIBUTE_LITERAL))
2455 return field_is_special_static (field->parent, field);
2456 return SPECIAL_STATIC_NONE;
2460 * mono_class_has_special_static_fields:
2462 * Returns whenever @klass has any thread/context static fields.
2465 mono_class_has_special_static_fields (MonoClass *klass)
2467 MONO_REQ_GC_NEUTRAL_MODE
2469 MonoClassField *field;
2473 while ((field = mono_class_get_fields (klass, &iter))) {
2474 g_assert (field->parent == klass);
2475 if (mono_class_field_is_special_static (field))
2482 #ifndef DISABLE_REMOTING
2484 * create_remote_class_key:
2485 * Creates an array of pointers that can be used as a hash key for a remote class.
2486 * The first element of the array is the number of pointers.
2489 create_remote_class_key (MonoRemoteClass *remote_class, MonoClass *extra_class)
2491 MONO_REQ_GC_NEUTRAL_MODE;
2496 if (remote_class == NULL) {
2497 if (extra_class->flags & TYPE_ATTRIBUTE_INTERFACE) {
2498 key = (void **)g_malloc (sizeof(gpointer) * 3);
2499 key [0] = GINT_TO_POINTER (2);
2500 key [1] = mono_defaults.marshalbyrefobject_class;
2501 key [2] = extra_class;
2503 key = (void **)g_malloc (sizeof(gpointer) * 2);
2504 key [0] = GINT_TO_POINTER (1);
2505 key [1] = extra_class;
2508 if (extra_class != NULL && (extra_class->flags & TYPE_ATTRIBUTE_INTERFACE)) {
2509 key = (void **)g_malloc (sizeof(gpointer) * (remote_class->interface_count + 3));
2510 key [0] = GINT_TO_POINTER (remote_class->interface_count + 2);
2511 key [1] = remote_class->proxy_class;
2513 // Keep the list of interfaces sorted
2514 for (i = 0, j = 2; i < remote_class->interface_count; i++, j++) {
2515 if (extra_class && remote_class->interfaces [i] > extra_class) {
2516 key [j++] = extra_class;
2519 key [j] = remote_class->interfaces [i];
2522 key [j] = extra_class;
2524 // Replace the old class. The interface list is the same
2525 key = (void **)g_malloc (sizeof(gpointer) * (remote_class->interface_count + 2));
2526 key [0] = GINT_TO_POINTER (remote_class->interface_count + 1);
2527 key [1] = extra_class != NULL ? extra_class : remote_class->proxy_class;
2528 for (i = 0; i < remote_class->interface_count; i++)
2529 key [2 + i] = remote_class->interfaces [i];
2537 * copy_remote_class_key:
2539 * Make a copy of KEY in the domain and return the copy.
2542 copy_remote_class_key (MonoDomain *domain, gpointer *key)
2544 MONO_REQ_GC_NEUTRAL_MODE
2546 int key_size = (GPOINTER_TO_UINT (key [0]) + 1) * sizeof (gpointer);
2547 gpointer *mp_key = (gpointer *)mono_domain_alloc (domain, key_size);
2549 memcpy (mp_key, key, key_size);
2555 * mono_remote_class:
2556 * @domain: the application domain
2557 * @class_name: name of the remote class
2559 * Creates and initializes a MonoRemoteClass object for a remote type.
2561 * Can raise an exception on failure.
2564 mono_remote_class (MonoDomain *domain, MonoString *class_name, MonoClass *proxy_class)
2566 MONO_REQ_GC_UNSAFE_MODE;
2569 MonoRemoteClass *rc;
2570 gpointer* key, *mp_key;
2573 key = create_remote_class_key (NULL, proxy_class);
2575 mono_domain_lock (domain);
2576 rc = (MonoRemoteClass *)g_hash_table_lookup (domain->proxy_vtable_hash, key);
2580 mono_domain_unlock (domain);
2584 name = mono_string_to_utf8_mp (domain->mp, class_name, &error);
2585 if (!mono_error_ok (&error)) {
2587 mono_domain_unlock (domain);
2588 mono_error_raise_exception (&error);
2591 mp_key = copy_remote_class_key (domain, key);
2595 if (proxy_class->flags & TYPE_ATTRIBUTE_INTERFACE) {
2596 rc = (MonoRemoteClass *)mono_domain_alloc (domain, MONO_SIZEOF_REMOTE_CLASS + sizeof(MonoClass*));
2597 rc->interface_count = 1;
2598 rc->interfaces [0] = proxy_class;
2599 rc->proxy_class = mono_defaults.marshalbyrefobject_class;
2601 rc = (MonoRemoteClass *)mono_domain_alloc (domain, MONO_SIZEOF_REMOTE_CLASS);
2602 rc->interface_count = 0;
2603 rc->proxy_class = proxy_class;
2606 rc->default_vtable = NULL;
2607 rc->xdomain_vtable = NULL;
2608 rc->proxy_class_name = name;
2609 #ifndef DISABLE_PERFCOUNTERS
2610 mono_perfcounters->loader_bytes += mono_string_length (class_name) + 1;
2613 g_hash_table_insert (domain->proxy_vtable_hash, key, rc);
2615 mono_domain_unlock (domain);
2620 * clone_remote_class:
2621 * Creates a copy of the remote_class, adding the provided class or interface
2623 static MonoRemoteClass*
2624 clone_remote_class (MonoDomain *domain, MonoRemoteClass* remote_class, MonoClass *extra_class)
2626 MONO_REQ_GC_NEUTRAL_MODE;
2628 MonoRemoteClass *rc;
2629 gpointer* key, *mp_key;
2631 key = create_remote_class_key (remote_class, extra_class);
2632 rc = (MonoRemoteClass *)g_hash_table_lookup (domain->proxy_vtable_hash, key);
2638 mp_key = copy_remote_class_key (domain, key);
2642 if (extra_class->flags & TYPE_ATTRIBUTE_INTERFACE) {
2644 rc = (MonoRemoteClass *)mono_domain_alloc (domain, MONO_SIZEOF_REMOTE_CLASS + sizeof(MonoClass*) * (remote_class->interface_count + 1));
2645 rc->proxy_class = remote_class->proxy_class;
2646 rc->interface_count = remote_class->interface_count + 1;
2648 // Keep the list of interfaces sorted, since the hash key of
2649 // the remote class depends on this
2650 for (i = 0, j = 0; i < remote_class->interface_count; i++, j++) {
2651 if (remote_class->interfaces [i] > extra_class && i == j)
2652 rc->interfaces [j++] = extra_class;
2653 rc->interfaces [j] = remote_class->interfaces [i];
2656 rc->interfaces [j] = extra_class;
2658 // Replace the old class. The interface array is the same
2659 rc = (MonoRemoteClass *)mono_domain_alloc (domain, MONO_SIZEOF_REMOTE_CLASS + sizeof(MonoClass*) * remote_class->interface_count);
2660 rc->proxy_class = extra_class;
2661 rc->interface_count = remote_class->interface_count;
2662 if (rc->interface_count > 0)
2663 memcpy (rc->interfaces, remote_class->interfaces, rc->interface_count * sizeof (MonoClass*));
2666 rc->default_vtable = NULL;
2667 rc->xdomain_vtable = NULL;
2668 rc->proxy_class_name = remote_class->proxy_class_name;
2670 g_hash_table_insert (domain->proxy_vtable_hash, key, rc);
2676 mono_remote_class_vtable (MonoDomain *domain, MonoRemoteClass *remote_class, MonoRealProxy *rp)
2678 MONO_REQ_GC_UNSAFE_MODE;
2680 mono_loader_lock (); /*FIXME mono_class_from_mono_type and mono_class_proxy_vtable take it*/
2681 mono_domain_lock (domain);
2682 if (rp->target_domain_id != -1) {
2683 if (remote_class->xdomain_vtable == NULL)
2684 remote_class->xdomain_vtable = mono_class_proxy_vtable (domain, remote_class, MONO_REMOTING_TARGET_APPDOMAIN);
2685 mono_domain_unlock (domain);
2686 mono_loader_unlock ();
2687 return remote_class->xdomain_vtable;
2689 if (remote_class->default_vtable == NULL) {
2692 type = ((MonoReflectionType *)rp->class_to_proxy)->type;
2693 klass = mono_class_from_mono_type (type);
2695 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)))
2696 remote_class->default_vtable = mono_class_proxy_vtable (domain, remote_class, MONO_REMOTING_TARGET_COMINTEROP);
2699 remote_class->default_vtable = mono_class_proxy_vtable (domain, remote_class, MONO_REMOTING_TARGET_UNKNOWN);
2702 mono_domain_unlock (domain);
2703 mono_loader_unlock ();
2704 return remote_class->default_vtable;
2708 * mono_upgrade_remote_class:
2709 * @domain: the application domain
2710 * @tproxy: the proxy whose remote class has to be upgraded.
2711 * @klass: class to which the remote class can be casted.
2713 * Updates the vtable of the remote class by adding the necessary method slots
2714 * and interface offsets so it can be safely casted to klass. klass can be a
2715 * class or an interface.
2718 mono_upgrade_remote_class (MonoDomain *domain, MonoObject *proxy_object, MonoClass *klass)
2720 MONO_REQ_GC_UNSAFE_MODE;
2722 MonoTransparentProxy *tproxy;
2723 MonoRemoteClass *remote_class;
2724 gboolean redo_vtable;
2726 mono_loader_lock (); /*FIXME mono_remote_class_vtable requires it.*/
2727 mono_domain_lock (domain);
2729 tproxy = (MonoTransparentProxy*) proxy_object;
2730 remote_class = tproxy->remote_class;
2732 if (klass->flags & TYPE_ATTRIBUTE_INTERFACE) {
2735 for (i = 0; i < remote_class->interface_count && redo_vtable; i++)
2736 if (remote_class->interfaces [i] == klass)
2737 redo_vtable = FALSE;
2740 redo_vtable = (remote_class->proxy_class != klass);
2744 tproxy->remote_class = clone_remote_class (domain, remote_class, klass);
2745 proxy_object->vtable = (MonoVTable *)mono_remote_class_vtable (domain, tproxy->remote_class, tproxy->rp);
2748 mono_domain_unlock (domain);
2749 mono_loader_unlock ();
2751 #endif /* DISABLE_REMOTING */
2755 * mono_object_get_virtual_method:
2756 * @obj: object to operate on.
2759 * Retrieves the MonoMethod that would be called on obj if obj is passed as
2760 * the instance of a callvirt of method.
2763 mono_object_get_virtual_method (MonoObject *obj, MonoMethod *method)
2765 MONO_REQ_GC_UNSAFE_MODE;
2768 MonoMethod **vtable;
2769 gboolean is_proxy = FALSE;
2770 MonoMethod *res = NULL;
2772 klass = mono_object_class (obj);
2773 #ifndef DISABLE_REMOTING
2774 if (klass == mono_defaults.transparent_proxy_class) {
2775 klass = ((MonoTransparentProxy *)obj)->remote_class->proxy_class;
2780 if (!is_proxy && ((method->flags & METHOD_ATTRIBUTE_FINAL) || !(method->flags & METHOD_ATTRIBUTE_VIRTUAL)))
2783 mono_class_setup_vtable (klass);
2784 vtable = klass->vtable;
2786 if (method->slot == -1) {
2787 /* method->slot might not be set for instances of generic methods */
2788 if (method->is_inflated) {
2789 g_assert (((MonoMethodInflated*)method)->declaring->slot != -1);
2790 method->slot = ((MonoMethodInflated*)method)->declaring->slot;
2793 g_assert_not_reached ();
2797 /* check method->slot is a valid index: perform isinstance? */
2798 if (method->slot != -1) {
2799 if (method->klass->flags & TYPE_ATTRIBUTE_INTERFACE) {
2801 gboolean variance_used = FALSE;
2802 int iface_offset = mono_class_interface_offset_with_variance (klass, method->klass, &variance_used);
2803 g_assert (iface_offset > 0);
2804 res = vtable [iface_offset + method->slot];
2807 res = vtable [method->slot];
2811 #ifndef DISABLE_REMOTING
2813 /* It may be an interface, abstract class method or generic method */
2814 if (!res || mono_method_signature (res)->generic_param_count)
2817 /* generic methods demand invoke_with_check */
2818 if (mono_method_signature (res)->generic_param_count)
2819 res = mono_marshal_get_remoting_invoke_with_check (res);
2822 if (klass == mono_class_get_com_object_class () || mono_class_is_com_object (klass))
2823 res = mono_cominterop_get_invoke (res);
2826 res = mono_marshal_get_remoting_invoke (res);
2831 if (method->is_inflated) {
2833 /* Have to inflate the result */
2834 res = mono_class_inflate_generic_method_checked (res, &((MonoMethodInflated*)method)->context, &error);
2835 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
2845 dummy_mono_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
2847 g_error ("runtime invoke called on uninitialized runtime");
2851 static MonoInvokeFunc default_mono_runtime_invoke = dummy_mono_runtime_invoke;
2854 * mono_runtime_invoke:
2855 * @method: method to invoke
2856 * @obJ: object instance
2857 * @params: arguments to the method
2858 * @exc: exception information.
2860 * Invokes the method represented by @method on the object @obj.
2862 * obj is the 'this' pointer, it should be NULL for static
2863 * methods, a MonoObject* for object instances and a pointer to
2864 * the value type for value types.
2866 * The params array contains the arguments to the method with the
2867 * same convention: MonoObject* pointers for object instances and
2868 * pointers to the value type otherwise.
2870 * From unmanaged code you'll usually use the
2871 * mono_runtime_invoke() variant.
2873 * Note that this function doesn't handle virtual methods for
2874 * you, it will exec the exact method you pass: we still need to
2875 * expose a function to lookup the derived class implementation
2876 * of a virtual method (there are examples of this in the code,
2879 * You can pass NULL as the exc argument if you don't want to
2880 * catch exceptions, otherwise, *exc will be set to the exception
2881 * thrown, if any. if an exception is thrown, you can't use the
2882 * MonoObject* result from the function.
2884 * If the method returns a value type, it is boxed in an object
2888 mono_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
2890 MONO_REQ_GC_UNSAFE_MODE;
2894 if (mono_runtime_get_no_exec ())
2895 g_warning ("Invoking method '%s' when running in no-exec mode.\n", mono_method_full_name (method, TRUE));
2897 if (mono_profiler_get_events () & MONO_PROFILE_METHOD_EVENTS)
2898 mono_profiler_method_start_invoke (method);
2900 result = default_mono_runtime_invoke (method, obj, params, exc);
2902 if (mono_profiler_get_events () & MONO_PROFILE_METHOD_EVENTS)
2903 mono_profiler_method_end_invoke (method);
2909 * mono_method_get_unmanaged_thunk:
2910 * @method: method to generate a thunk for.
2912 * Returns an unmanaged->managed thunk that can be used to call
2913 * a managed method directly from C.
2915 * The thunk's C signature closely matches the managed signature:
2917 * C#: public bool Equals (object obj);
2918 * C: typedef MonoBoolean (*Equals)(MonoObject*,
2919 * MonoObject*, MonoException**);
2921 * The 1st ("this") parameter must not be used with static methods:
2923 * C#: public static bool ReferenceEquals (object a, object b);
2924 * C: typedef MonoBoolean (*ReferenceEquals)(MonoObject*, MonoObject*,
2927 * The last argument must be a non-null pointer of a MonoException* pointer.
2928 * It has "out" semantics. After invoking the thunk, *ex will be NULL if no
2929 * exception has been thrown in managed code. Otherwise it will point
2930 * to the MonoException* caught by the thunk. In this case, the result of
2931 * the thunk is undefined:
2933 * MonoMethod *method = ... // MonoMethod* of System.Object.Equals
2934 * MonoException *ex = NULL;
2935 * Equals func = mono_method_get_unmanaged_thunk (method);
2936 * MonoBoolean res = func (thisObj, objToCompare, &ex);
2938 * // handle exception
2941 * The calling convention of the thunk matches the platform's default
2942 * convention. This means that under Windows, C declarations must
2943 * contain the __stdcall attribute:
2945 * C: typedef MonoBoolean (__stdcall *Equals)(MonoObject*,
2946 * MonoObject*, MonoException**);
2950 * Value type arguments and return values are treated as they were objects:
2952 * C#: public static Rectangle Intersect (Rectangle a, Rectangle b);
2953 * C: typedef MonoObject* (*Intersect)(MonoObject*, MonoObject*, MonoException**);
2955 * Arguments must be properly boxed upon trunk's invocation, while return
2956 * values must be unboxed.
2959 mono_method_get_unmanaged_thunk (MonoMethod *method)
2961 MONO_REQ_GC_NEUTRAL_MODE;
2962 MONO_REQ_API_ENTRYPOINT;
2966 MONO_PREPARE_RESET_BLOCKING;
2967 method = mono_marshal_get_thunk_invoke_wrapper (method);
2968 res = mono_compile_method (method);
2969 MONO_FINISH_RESET_BLOCKING;
2975 mono_copy_value (MonoType *type, void *dest, void *value, int deref_pointer)
2977 MONO_REQ_GC_UNSAFE_MODE;
2981 /* object fields cannot be byref, so we don't need a
2983 gpointer *p = (gpointer*)dest;
2990 case MONO_TYPE_BOOLEAN:
2992 case MONO_TYPE_U1: {
2993 guint8 *p = (guint8*)dest;
2994 *p = value ? *(guint8*)value : 0;
2999 case MONO_TYPE_CHAR: {
3000 guint16 *p = (guint16*)dest;
3001 *p = value ? *(guint16*)value : 0;
3004 #if SIZEOF_VOID_P == 4
3009 case MONO_TYPE_U4: {
3010 gint32 *p = (gint32*)dest;
3011 *p = value ? *(gint32*)value : 0;
3014 #if SIZEOF_VOID_P == 8
3019 case MONO_TYPE_U8: {
3020 gint64 *p = (gint64*)dest;
3021 *p = value ? *(gint64*)value : 0;
3024 case MONO_TYPE_R4: {
3025 float *p = (float*)dest;
3026 *p = value ? *(float*)value : 0;
3029 case MONO_TYPE_R8: {
3030 double *p = (double*)dest;
3031 *p = value ? *(double*)value : 0;
3034 case MONO_TYPE_STRING:
3035 case MONO_TYPE_SZARRAY:
3036 case MONO_TYPE_CLASS:
3037 case MONO_TYPE_OBJECT:
3038 case MONO_TYPE_ARRAY:
3039 mono_gc_wbarrier_generic_store (dest, deref_pointer ? *(MonoObject **)value : (MonoObject *)value);
3041 case MONO_TYPE_FNPTR:
3042 case MONO_TYPE_PTR: {
3043 gpointer *p = (gpointer*)dest;
3044 *p = deref_pointer? *(gpointer*)value: value;
3047 case MONO_TYPE_VALUETYPE:
3048 /* note that 't' and 'type->type' can be different */
3049 if (type->type == MONO_TYPE_VALUETYPE && type->data.klass->enumtype) {
3050 t = mono_class_enum_basetype (type->data.klass)->type;
3053 MonoClass *klass = mono_class_from_mono_type (type);
3054 int size = mono_class_value_size (klass, NULL);
3056 mono_gc_bzero_atomic (dest, size);
3058 mono_gc_wbarrier_value_copy (dest, value, 1, klass);
3061 case MONO_TYPE_GENERICINST:
3062 t = type->data.generic_class->container_class->byval_arg.type;
3065 g_error ("got type %x", type->type);
3070 * mono_field_set_value:
3071 * @obj: Instance object
3072 * @field: MonoClassField describing the field to set
3073 * @value: The value to be set
3075 * Sets the value of the field described by @field in the object instance @obj
3076 * to the value passed in @value. This method should only be used for instance
3077 * fields. For static fields, use mono_field_static_set_value.
3079 * The value must be on the native format of the field type.
3082 mono_field_set_value (MonoObject *obj, MonoClassField *field, void *value)
3084 MONO_REQ_GC_UNSAFE_MODE;
3088 g_return_if_fail (!(field->type->attrs & FIELD_ATTRIBUTE_STATIC));
3090 dest = (char*)obj + field->offset;
3091 mono_copy_value (field->type, dest, value, FALSE);
3095 * mono_field_static_set_value:
3096 * @field: MonoClassField describing the field to set
3097 * @value: The value to be set
3099 * Sets the value of the static field described by @field
3100 * to the value passed in @value.
3102 * The value must be on the native format of the field type.
3105 mono_field_static_set_value (MonoVTable *vt, MonoClassField *field, void *value)
3107 MONO_REQ_GC_UNSAFE_MODE;
3111 g_return_if_fail (field->type->attrs & FIELD_ATTRIBUTE_STATIC);
3112 /* you cant set a constant! */
3113 g_return_if_fail (!(field->type->attrs & FIELD_ATTRIBUTE_LITERAL));
3115 if (field->offset == -1) {
3116 /* Special static */
3119 mono_domain_lock (vt->domain);
3120 addr = g_hash_table_lookup (vt->domain->special_static_fields, field);
3121 mono_domain_unlock (vt->domain);
3122 dest = mono_get_special_static_data (GPOINTER_TO_UINT (addr));
3124 dest = (char*)mono_vtable_get_static_field_data (vt) + field->offset;
3126 mono_copy_value (field->type, dest, value, FALSE);
3130 * mono_vtable_get_static_field_data:
3132 * Internal use function: return a pointer to the memory holding the static fields
3133 * for a class or NULL if there are no static fields.
3134 * This is exported only for use by the debugger.
3137 mono_vtable_get_static_field_data (MonoVTable *vt)
3139 MONO_REQ_GC_NEUTRAL_MODE
3141 if (!vt->has_static_fields)
3143 return vt->vtable [vt->klass->vtable_size];
3147 mono_field_get_addr (MonoObject *obj, MonoVTable *vt, MonoClassField *field)
3149 MONO_REQ_GC_UNSAFE_MODE;
3153 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC) {
3154 if (field->offset == -1) {
3155 /* Special static */
3158 mono_domain_lock (vt->domain);
3159 addr = g_hash_table_lookup (vt->domain->special_static_fields, field);
3160 mono_domain_unlock (vt->domain);
3161 src = (guint8 *)mono_get_special_static_data (GPOINTER_TO_UINT (addr));
3163 src = (guint8*)mono_vtable_get_static_field_data (vt) + field->offset;
3166 src = (guint8*)obj + field->offset;
3173 * mono_field_get_value:
3174 * @obj: Object instance
3175 * @field: MonoClassField describing the field to fetch information from
3176 * @value: pointer to the location where the value will be stored
3178 * Use this routine to get the value of the field @field in the object
3181 * The pointer provided by value must be of the field type, for reference
3182 * types this is a MonoObject*, for value types its the actual pointer to
3187 * mono_field_get_value (obj, int_field, &i);
3190 mono_field_get_value (MonoObject *obj, MonoClassField *field, void *value)
3192 MONO_REQ_GC_UNSAFE_MODE;
3198 g_return_if_fail (!(field->type->attrs & FIELD_ATTRIBUTE_STATIC));
3200 src = (char*)obj + field->offset;
3201 mono_copy_value (field->type, value, src, TRUE);
3205 * mono_field_get_value_object:
3206 * @domain: domain where the object will be created (if boxing)
3207 * @field: MonoClassField describing the field to fetch information from
3208 * @obj: The object instance for the field.
3210 * Returns: a new MonoObject with the value from the given field. If the
3211 * field represents a value type, the value is boxed.
3215 mono_field_get_value_object (MonoDomain *domain, MonoClassField *field, MonoObject *obj)
3217 MONO_REQ_GC_UNSAFE_MODE;
3221 MonoVTable *vtable = NULL;
3223 gboolean is_static = FALSE;
3224 gboolean is_ref = FALSE;
3225 gboolean is_literal = FALSE;
3226 gboolean is_ptr = FALSE;
3228 MonoType *type = mono_field_get_type_checked (field, &error);
3230 if (!mono_error_ok (&error))
3231 mono_error_raise_exception (&error);
3233 switch (type->type) {
3234 case MONO_TYPE_STRING:
3235 case MONO_TYPE_OBJECT:
3236 case MONO_TYPE_CLASS:
3237 case MONO_TYPE_ARRAY:
3238 case MONO_TYPE_SZARRAY:
3243 case MONO_TYPE_BOOLEAN:
3246 case MONO_TYPE_CHAR:
3255 case MONO_TYPE_VALUETYPE:
3256 is_ref = type->byref;
3258 case MONO_TYPE_GENERICINST:
3259 is_ref = !mono_type_generic_inst_is_valuetype (type);
3265 g_error ("type 0x%x not handled in "
3266 "mono_field_get_value_object", type->type);
3270 if (type->attrs & FIELD_ATTRIBUTE_LITERAL)
3273 if (type->attrs & FIELD_ATTRIBUTE_STATIC) {
3277 vtable = mono_class_vtable_full (domain, field->parent, TRUE);
3278 if (!vtable->initialized)
3279 mono_runtime_class_init (vtable);
3287 get_default_field_value (domain, field, &o);
3288 } else if (is_static) {
3289 mono_field_static_get_value (vtable, field, &o);
3291 mono_field_get_value (obj, field, &o);
3297 static MonoMethod *m;
3303 MonoClass *ptr_klass = mono_class_from_name_cached (mono_defaults.corlib, "System.Reflection", "Pointer");
3304 m = mono_class_get_method_from_name_flags (ptr_klass, "Box", 2, METHOD_ATTRIBUTE_STATIC);
3310 get_default_field_value (domain, field, v);
3311 } else if (is_static) {
3312 mono_field_static_get_value (vtable, field, v);
3314 mono_field_get_value (obj, field, v);
3317 /* MONO_TYPE_PTR is passed by value to runtime_invoke () */
3318 args [0] = ptr ? *ptr : NULL;
3319 args [1] = mono_type_get_object (mono_domain_get (), type);
3321 return mono_runtime_invoke (m, NULL, args, NULL);
3324 /* boxed value type */
3325 klass = mono_class_from_mono_type (type);
3327 if (mono_class_is_nullable (klass))
3328 return mono_nullable_box (mono_field_get_addr (obj, vtable, field), klass);
3330 o = mono_object_new (domain, klass);
3331 v = ((gchar *) o) + sizeof (MonoObject);
3334 get_default_field_value (domain, field, v);
3335 } else if (is_static) {
3336 mono_field_static_get_value (vtable, field, v);
3338 mono_field_get_value (obj, field, v);
3345 mono_get_constant_value_from_blob (MonoDomain* domain, MonoTypeEnum type, const char *blob, void *value)
3347 MONO_REQ_GC_UNSAFE_MODE;
3350 const char *p = blob;
3351 mono_metadata_decode_blob_size (p, &p);
3354 case MONO_TYPE_BOOLEAN:
3357 *(guint8 *) value = *p;
3359 case MONO_TYPE_CHAR:
3362 *(guint16*) value = read16 (p);
3366 *(guint32*) value = read32 (p);
3370 *(guint64*) value = read64 (p);
3373 readr4 (p, (float*) value);
3376 readr8 (p, (double*) value);
3378 case MONO_TYPE_STRING:
3379 *(gpointer*) value = mono_ldstr_metadata_sig (domain, blob);
3381 case MONO_TYPE_CLASS:
3382 *(gpointer*) value = NULL;
3386 g_warning ("type 0x%02x should not be in constant table", type);
3392 get_default_field_value (MonoDomain* domain, MonoClassField *field, void *value)
3394 MONO_REQ_GC_NEUTRAL_MODE;
3396 MonoTypeEnum def_type;
3399 data = mono_class_get_field_default_value (field, &def_type);
3400 mono_get_constant_value_from_blob (domain, def_type, data, value);
3404 mono_field_static_get_value_for_thread (MonoInternalThread *thread, MonoVTable *vt, MonoClassField *field, void *value)
3406 MONO_REQ_GC_UNSAFE_MODE;
3410 g_return_if_fail (field->type->attrs & FIELD_ATTRIBUTE_STATIC);
3412 if (field->type->attrs & FIELD_ATTRIBUTE_LITERAL) {
3413 get_default_field_value (vt->domain, field, value);
3417 if (field->offset == -1) {
3418 /* Special static */
3419 gpointer addr = g_hash_table_lookup (vt->domain->special_static_fields, field);
3420 src = mono_get_special_static_data_for_thread (thread, GPOINTER_TO_UINT (addr));
3422 src = (char*)mono_vtable_get_static_field_data (vt) + field->offset;
3424 mono_copy_value (field->type, value, src, TRUE);
3428 * mono_field_static_get_value:
3429 * @vt: vtable to the object
3430 * @field: MonoClassField describing the field to fetch information from
3431 * @value: where the value is returned
3433 * Use this routine to get the value of the static field @field value.
3435 * The pointer provided by value must be of the field type, for reference
3436 * types this is a MonoObject*, for value types its the actual pointer to
3441 * mono_field_static_get_value (vt, int_field, &i);
3444 mono_field_static_get_value (MonoVTable *vt, MonoClassField *field, void *value)
3446 MONO_REQ_GC_NEUTRAL_MODE;
3448 mono_field_static_get_value_for_thread (mono_thread_internal_current (), vt, field, value);
3452 * mono_property_set_value:
3453 * @prop: MonoProperty to set
3454 * @obj: instance object on which to act
3455 * @params: parameters to pass to the propery
3456 * @exc: optional exception
3458 * Invokes the property's set method with the given arguments on the
3459 * object instance obj (or NULL for static properties).
3461 * You can pass NULL as the exc argument if you don't want to
3462 * catch exceptions, otherwise, *exc will be set to the exception
3463 * thrown, if any. if an exception is thrown, you can't use the
3464 * MonoObject* result from the function.
3467 mono_property_set_value (MonoProperty *prop, void *obj, void **params, MonoObject **exc)
3469 MONO_REQ_GC_UNSAFE_MODE;
3471 default_mono_runtime_invoke (prop->set, obj, params, exc);
3475 * mono_property_get_value:
3476 * @prop: MonoProperty to fetch
3477 * @obj: instance object on which to act
3478 * @params: parameters to pass to the propery
3479 * @exc: optional exception
3481 * Invokes the property's get method with the given arguments on the
3482 * object instance obj (or NULL for static properties).
3484 * You can pass NULL as the exc argument if you don't want to
3485 * catch exceptions, otherwise, *exc will be set to the exception
3486 * thrown, if any. if an exception is thrown, you can't use the
3487 * MonoObject* result from the function.
3489 * Returns: the value from invoking the get method on the property.
3492 mono_property_get_value (MonoProperty *prop, void *obj, void **params, MonoObject **exc)
3494 MONO_REQ_GC_UNSAFE_MODE;
3496 return default_mono_runtime_invoke (prop->get, obj, params, exc);
3500 * mono_nullable_init:
3501 * @buf: The nullable structure to initialize.
3502 * @value: the value to initialize from
3503 * @klass: the type for the object
3505 * Initialize the nullable structure pointed to by @buf from @value which
3506 * should be a boxed value type. The size of @buf should be able to hold
3507 * as much data as the @klass->instance_size (which is the number of bytes
3508 * that will be copies).
3510 * Since Nullables have variable structure, we can not define a C
3511 * structure for them.
3514 mono_nullable_init (guint8 *buf, MonoObject *value, MonoClass *klass)
3516 MONO_REQ_GC_UNSAFE_MODE;
3518 MonoClass *param_class = klass->cast_class;
3520 mono_class_setup_fields_locking (klass);
3521 g_assert (klass->fields_inited);
3523 g_assert (mono_class_from_mono_type (klass->fields [0].type) == param_class);
3524 g_assert (mono_class_from_mono_type (klass->fields [1].type) == mono_defaults.boolean_class);
3526 *(guint8*)(buf + klass->fields [1].offset - sizeof (MonoObject)) = value ? 1 : 0;
3528 if (param_class->has_references)
3529 mono_gc_wbarrier_value_copy (buf + klass->fields [0].offset - sizeof (MonoObject), mono_object_unbox (value), 1, param_class);
3531 mono_gc_memmove_atomic (buf + klass->fields [0].offset - sizeof (MonoObject), mono_object_unbox (value), mono_class_value_size (param_class, NULL));
3533 mono_gc_bzero_atomic (buf + klass->fields [0].offset - sizeof (MonoObject), mono_class_value_size (param_class, NULL));
3538 * mono_nullable_box:
3539 * @buf: The buffer representing the data to be boxed
3540 * @klass: the type to box it as.
3542 * Creates a boxed vtype or NULL from the Nullable structure pointed to by
3546 mono_nullable_box (guint8 *buf, MonoClass *klass)
3548 MONO_REQ_GC_UNSAFE_MODE;
3550 MonoClass *param_class = klass->cast_class;
3552 mono_class_setup_fields_locking (klass);
3553 g_assert (klass->fields_inited);
3555 g_assert (mono_class_from_mono_type (klass->fields [0].type) == param_class);
3556 g_assert (mono_class_from_mono_type (klass->fields [1].type) == mono_defaults.boolean_class);
3558 if (*(guint8*)(buf + klass->fields [1].offset - sizeof (MonoObject))) {
3559 MonoObject *o = mono_object_new (mono_domain_get (), param_class);
3560 if (param_class->has_references)
3561 mono_gc_wbarrier_value_copy (mono_object_unbox (o), buf + klass->fields [0].offset - sizeof (MonoObject), 1, param_class);
3563 mono_gc_memmove_atomic (mono_object_unbox (o), buf + klass->fields [0].offset - sizeof (MonoObject), mono_class_value_size (param_class, NULL));
3571 * mono_get_delegate_invoke:
3572 * @klass: The delegate class
3574 * Returns: the MonoMethod for the "Invoke" method in the delegate klass or NULL if @klass is a broken delegate type
3577 mono_get_delegate_invoke (MonoClass *klass)
3579 MONO_REQ_GC_NEUTRAL_MODE;
3583 /* This is called at runtime, so avoid the slower search in metadata */
3584 mono_class_setup_methods (klass);
3585 if (klass->exception_type)
3587 im = mono_class_get_method_from_name (klass, "Invoke", -1);
3592 * mono_get_delegate_begin_invoke:
3593 * @klass: The delegate class
3595 * Returns: the MonoMethod for the "BeginInvoke" method in the delegate klass or NULL if @klass is a broken delegate type
3598 mono_get_delegate_begin_invoke (MonoClass *klass)
3600 MONO_REQ_GC_NEUTRAL_MODE;
3604 /* This is called at runtime, so avoid the slower search in metadata */
3605 mono_class_setup_methods (klass);
3606 if (klass->exception_type)
3608 im = mono_class_get_method_from_name (klass, "BeginInvoke", -1);
3613 * mono_get_delegate_end_invoke:
3614 * @klass: The delegate class
3616 * Returns: the MonoMethod for the "EndInvoke" method in the delegate klass or NULL if @klass is a broken delegate type
3619 mono_get_delegate_end_invoke (MonoClass *klass)
3621 MONO_REQ_GC_NEUTRAL_MODE;
3625 /* This is called at runtime, so avoid the slower search in metadata */
3626 mono_class_setup_methods (klass);
3627 if (klass->exception_type)
3629 im = mono_class_get_method_from_name (klass, "EndInvoke", -1);
3634 * mono_runtime_delegate_invoke:
3635 * @delegate: pointer to a delegate object.
3636 * @params: parameters for the delegate.
3637 * @exc: Pointer to the exception result.
3639 * Invokes the delegate method @delegate with the parameters provided.
3641 * You can pass NULL as the exc argument if you don't want to
3642 * catch exceptions, otherwise, *exc will be set to the exception
3643 * thrown, if any. if an exception is thrown, you can't use the
3644 * MonoObject* result from the function.
3647 mono_runtime_delegate_invoke (MonoObject *delegate, void **params, MonoObject **exc)
3649 MONO_REQ_GC_UNSAFE_MODE;
3652 MonoClass *klass = delegate->vtable->klass;
3654 im = mono_get_delegate_invoke (klass);
3656 g_error ("Could not lookup delegate invoke method for delegate %s", mono_type_get_full_name (klass));
3658 return mono_runtime_invoke (im, delegate, params, exc);
3661 static char **main_args = NULL;
3662 static int num_main_args = 0;
3665 * mono_runtime_get_main_args:
3667 * Returns: a MonoArray with the arguments passed to the main program
3670 mono_runtime_get_main_args (void)
3672 MONO_REQ_GC_UNSAFE_MODE;
3676 MonoDomain *domain = mono_domain_get ();
3678 res = (MonoArray*)mono_array_new (domain, mono_defaults.string_class, num_main_args);
3680 for (i = 0; i < num_main_args; ++i)
3681 mono_array_setref (res, i, mono_string_new (domain, main_args [i]));
3687 free_main_args (void)
3689 MONO_REQ_GC_NEUTRAL_MODE;
3693 for (i = 0; i < num_main_args; ++i)
3694 g_free (main_args [i]);
3701 * mono_runtime_set_main_args:
3702 * @argc: number of arguments from the command line
3703 * @argv: array of strings from the command line
3705 * Set the command line arguments from an embedding application that doesn't otherwise call
3706 * mono_runtime_run_main ().
3709 mono_runtime_set_main_args (int argc, char* argv[])
3711 MONO_REQ_GC_NEUTRAL_MODE;
3716 main_args = g_new0 (char*, argc);
3717 num_main_args = argc;
3719 for (i = 0; i < argc; ++i) {
3722 utf8_arg = mono_utf8_from_external (argv[i]);
3723 if (utf8_arg == NULL) {
3724 g_print ("\nCannot determine the text encoding for argument %d (%s).\n", i, argv [i]);
3725 g_print ("Please add the correct encoding to MONO_EXTERNAL_ENCODINGS and try again.\n");
3729 main_args [i] = utf8_arg;
3736 * mono_runtime_run_main:
3737 * @method: the method to start the application with (usually Main)
3738 * @argc: number of arguments from the command line
3739 * @argv: array of strings from the command line
3740 * @exc: excetption results
3742 * Execute a standard Main() method (argc/argv contains the
3743 * executable name). This method also sets the command line argument value
3744 * needed by System.Environment.
3749 mono_runtime_run_main (MonoMethod *method, int argc, char* argv[],
3752 MONO_REQ_GC_UNSAFE_MODE;
3755 MonoArray *args = NULL;
3756 MonoDomain *domain = mono_domain_get ();
3757 gchar *utf8_fullpath;
3758 MonoMethodSignature *sig;
3760 g_assert (method != NULL);
3762 mono_thread_set_main (mono_thread_current ());
3764 main_args = g_new0 (char*, argc);
3765 num_main_args = argc;
3767 if (!g_path_is_absolute (argv [0])) {
3768 gchar *basename = g_path_get_basename (argv [0]);
3769 gchar *fullpath = g_build_filename (method->klass->image->assembly->basedir,
3773 utf8_fullpath = mono_utf8_from_external (fullpath);
3774 if(utf8_fullpath == NULL) {
3775 /* Printing the arg text will cause glib to
3776 * whinge about "Invalid UTF-8", but at least
3777 * its relevant, and shows the problem text
3780 g_print ("\nCannot determine the text encoding for the assembly location: %s\n", fullpath);
3781 g_print ("Please add the correct encoding to MONO_EXTERNAL_ENCODINGS and try again.\n");
3788 utf8_fullpath = mono_utf8_from_external (argv[0]);
3789 if(utf8_fullpath == NULL) {
3790 g_print ("\nCannot determine the text encoding for the assembly location: %s\n", argv[0]);
3791 g_print ("Please add the correct encoding to MONO_EXTERNAL_ENCODINGS and try again.\n");
3796 main_args [0] = utf8_fullpath;
3798 for (i = 1; i < argc; ++i) {
3801 utf8_arg=mono_utf8_from_external (argv[i]);
3802 if(utf8_arg==NULL) {
3803 /* Ditto the comment about Invalid UTF-8 here */
3804 g_print ("\nCannot determine the text encoding for argument %d (%s).\n", i, argv[i]);
3805 g_print ("Please add the correct encoding to MONO_EXTERNAL_ENCODINGS and try again.\n");
3809 main_args [i] = utf8_arg;
3814 sig = mono_method_signature (method);
3816 g_print ("Unable to load Main method.\n");
3820 if (sig->param_count) {
3821 args = (MonoArray*)mono_array_new (domain, mono_defaults.string_class, argc);
3822 for (i = 0; i < argc; ++i) {
3823 /* The encodings should all work, given that
3824 * we've checked all these args for the
3827 gchar *str = mono_utf8_from_external (argv [i]);
3828 MonoString *arg = mono_string_new (domain, str);
3829 mono_array_setref (args, i, arg);
3833 args = (MonoArray*)mono_array_new (domain, mono_defaults.string_class, 0);
3836 mono_assembly_set_main (method->klass->image->assembly);
3838 return mono_runtime_exec_main (method, args, exc);
3842 serialize_object (MonoObject *obj, gboolean *failure, MonoObject **exc)
3844 static MonoMethod *serialize_method;
3849 if (!serialize_method) {
3850 MonoClass *klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingServices");
3851 serialize_method = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
3854 if (!serialize_method) {
3859 g_assert (!mono_class_is_marshalbyref (mono_object_class (obj)));
3863 array = mono_runtime_invoke (serialize_method, NULL, params, exc);
3871 deserialize_object (MonoObject *obj, gboolean *failure, MonoObject **exc)
3873 MONO_REQ_GC_UNSAFE_MODE;
3875 static MonoMethod *deserialize_method;
3880 if (!deserialize_method) {
3881 MonoClass *klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingServices");
3882 deserialize_method = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
3884 if (!deserialize_method) {
3891 result = mono_runtime_invoke (deserialize_method, NULL, params, exc);
3898 #ifndef DISABLE_REMOTING
3900 make_transparent_proxy (MonoObject *obj, gboolean *failure, MonoObject **exc)
3902 MONO_REQ_GC_UNSAFE_MODE;
3904 static MonoMethod *get_proxy_method;
3906 MonoDomain *domain = mono_domain_get ();
3907 MonoRealProxy *real_proxy;
3908 MonoReflectionType *reflection_type;
3909 MonoTransparentProxy *transparent_proxy;
3911 if (!get_proxy_method)
3912 get_proxy_method = mono_class_get_method_from_name (mono_defaults.real_proxy_class, "GetTransparentProxy", 0);
3914 g_assert (mono_class_is_marshalbyref (obj->vtable->klass));
3916 real_proxy = (MonoRealProxy*) mono_object_new (domain, mono_defaults.real_proxy_class);
3917 reflection_type = mono_type_get_object (domain, &obj->vtable->klass->byval_arg);
3919 MONO_OBJECT_SETREF (real_proxy, class_to_proxy, reflection_type);
3920 MONO_OBJECT_SETREF (real_proxy, unwrapped_server, obj);
3923 transparent_proxy = (MonoTransparentProxy*) mono_runtime_invoke (get_proxy_method, real_proxy, NULL, exc);
3927 return (MonoObject*) transparent_proxy;
3929 #endif /* DISABLE_REMOTING */
3932 * mono_object_xdomain_representation
3934 * @target_domain: a domain
3935 * @exc: pointer to a MonoObject*
3937 * Creates a representation of obj in the domain target_domain. This
3938 * is either a copy of obj arrived through via serialization and
3939 * deserialization or a proxy, depending on whether the object is
3940 * serializable or marshal by ref. obj must not be in target_domain.
3942 * If the object cannot be represented in target_domain, NULL is
3943 * returned and *exc is set to an appropriate exception.
3946 mono_object_xdomain_representation (MonoObject *obj, MonoDomain *target_domain, MonoObject **exc)
3948 MONO_REQ_GC_UNSAFE_MODE;
3950 MonoObject *deserialized = NULL;
3951 gboolean failure = FALSE;
3955 #ifndef DISABLE_REMOTING
3956 if (mono_class_is_marshalbyref (mono_object_class (obj))) {
3957 deserialized = make_transparent_proxy (obj, &failure, exc);
3962 MonoDomain *domain = mono_domain_get ();
3963 MonoObject *serialized;
3965 mono_domain_set_internal_with_options (mono_object_domain (obj), FALSE);
3966 serialized = serialize_object (obj, &failure, exc);
3967 mono_domain_set_internal_with_options (target_domain, FALSE);
3969 deserialized = deserialize_object (serialized, &failure, exc);
3970 if (domain != target_domain)
3971 mono_domain_set_internal_with_options (domain, FALSE);
3974 return deserialized;
3977 /* Used in call_unhandled_exception_delegate */
3979 create_unhandled_exception_eventargs (MonoObject *exc)
3981 MONO_REQ_GC_UNSAFE_MODE;
3985 MonoMethod *method = NULL;
3986 MonoBoolean is_terminating = TRUE;
3989 klass = mono_class_from_name (mono_defaults.corlib, "System", "UnhandledExceptionEventArgs");
3992 mono_class_init (klass);
3994 /* UnhandledExceptionEventArgs only has 1 public ctor with 2 args */
3995 method = mono_class_get_method_from_name_flags (klass, ".ctor", 2, METHOD_ATTRIBUTE_PUBLIC);
3999 args [1] = &is_terminating;
4001 obj = mono_object_new (mono_domain_get (), klass);
4002 mono_runtime_invoke (method, obj, args, NULL);
4007 /* Used in mono_unhandled_exception */
4009 call_unhandled_exception_delegate (MonoDomain *domain, MonoObject *delegate, MonoObject *exc) {
4010 MONO_REQ_GC_UNSAFE_MODE;
4012 MonoObject *e = NULL;
4014 MonoDomain *current_domain = mono_domain_get ();
4016 if (domain != current_domain)
4017 mono_domain_set_internal_with_options (domain, FALSE);
4019 g_assert (domain == mono_object_domain (domain->domain));
4021 if (mono_object_domain (exc) != domain) {
4022 MonoObject *serialization_exc;
4024 exc = mono_object_xdomain_representation (exc, domain, &serialization_exc);
4026 if (serialization_exc) {
4028 exc = mono_object_xdomain_representation (serialization_exc, domain, &dummy);
4031 exc = (MonoObject*) mono_exception_from_name_msg (mono_get_corlib (),
4032 "System.Runtime.Serialization", "SerializationException",
4033 "Could not serialize unhandled exception.");
4037 g_assert (mono_object_domain (exc) == domain);
4039 pa [0] = domain->domain;
4040 pa [1] = create_unhandled_exception_eventargs (exc);
4041 mono_runtime_delegate_invoke (delegate, pa, &e);
4043 if (domain != current_domain)
4044 mono_domain_set_internal_with_options (current_domain, FALSE);
4048 gchar *msg = mono_string_to_utf8_checked (((MonoException *) e)->message, &error);
4049 if (!mono_error_ok (&error)) {
4050 g_warning ("Exception inside UnhandledException handler with invalid message (Invalid characters)\n");
4051 mono_error_cleanup (&error);
4053 g_warning ("exception inside UnhandledException handler: %s\n", msg);
4059 static MonoRuntimeUnhandledExceptionPolicy runtime_unhandled_exception_policy = MONO_UNHANDLED_POLICY_CURRENT;
4062 * mono_runtime_unhandled_exception_policy_set:
4063 * @policy: the new policy
4065 * This is a VM internal routine.
4067 * Sets the runtime policy for handling unhandled exceptions.
4070 mono_runtime_unhandled_exception_policy_set (MonoRuntimeUnhandledExceptionPolicy policy) {
4071 runtime_unhandled_exception_policy = policy;
4075 * mono_runtime_unhandled_exception_policy_get:
4077 * This is a VM internal routine.
4079 * Gets the runtime policy for handling unhandled exceptions.
4081 MonoRuntimeUnhandledExceptionPolicy
4082 mono_runtime_unhandled_exception_policy_get (void) {
4083 return runtime_unhandled_exception_policy;
4087 * mono_unhandled_exception:
4088 * @exc: exception thrown
4090 * This is a VM internal routine.
4092 * We call this function when we detect an unhandled exception
4093 * in the default domain.
4095 * It invokes the * UnhandledException event in AppDomain or prints
4096 * a warning to the console
4099 mono_unhandled_exception (MonoObject *exc)
4101 MONO_REQ_GC_UNSAFE_MODE;
4103 MonoClassField *field;
4104 MonoDomain *current_domain, *root_domain;
4105 MonoObject *current_appdomain_delegate = NULL, *root_appdomain_delegate = NULL;
4107 if (mono_class_has_parent (exc->vtable->klass, mono_defaults.threadabortexception_class))
4110 field = mono_class_get_field_from_name (mono_defaults.appdomain_class, "UnhandledException");
4113 current_domain = mono_domain_get ();
4114 root_domain = mono_get_root_domain ();
4116 root_appdomain_delegate = mono_field_get_value_object (root_domain, field, (MonoObject*) root_domain->domain);
4117 if (current_domain != root_domain)
4118 current_appdomain_delegate = mono_field_get_value_object (current_domain, field, (MonoObject*) current_domain->domain);
4120 /* set exitcode only if we will abort the process */
4121 if (!current_appdomain_delegate && !root_appdomain_delegate) {
4122 if ((main_thread && mono_thread_internal_current () == main_thread->internal_thread)
4123 || mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_CURRENT)
4125 mono_environment_exitcode_set (1);
4128 mono_print_unhandled_exception (exc);
4130 if (root_appdomain_delegate)
4131 call_unhandled_exception_delegate (root_domain, root_appdomain_delegate, exc);
4132 if (current_appdomain_delegate)
4133 call_unhandled_exception_delegate (current_domain, current_appdomain_delegate, exc);
4138 * mono_runtime_exec_managed_code:
4139 * @domain: Application domain
4140 * @main_func: function to invoke from the execution thread
4141 * @main_args: parameter to the main_func
4143 * Launch a new thread to execute a function
4145 * main_func is called back from the thread with main_args as the
4146 * parameter. The callback function is expected to start Main()
4147 * eventually. This function then waits for all managed threads to
4149 * It is not necesseray anymore to execute managed code in a subthread,
4150 * so this function should not be used anymore by default: just
4151 * execute the code and then call mono_thread_manage ().
4154 mono_runtime_exec_managed_code (MonoDomain *domain,
4155 MonoMainThreadFunc main_func,
4158 mono_thread_create (domain, main_func, main_args);
4160 mono_thread_manage ();
4164 * Execute a standard Main() method (args doesn't contain the
4168 mono_runtime_exec_main (MonoMethod *method, MonoArray *args, MonoObject **exc)
4170 MONO_REQ_GC_UNSAFE_MODE;
4175 MonoCustomAttrInfo* cinfo;
4176 gboolean has_stathread_attribute;
4177 MonoInternalThread* thread = mono_thread_internal_current ();
4183 domain = mono_object_domain (args);
4184 if (!domain->entry_assembly) {
4186 MonoAssembly *assembly;
4188 assembly = method->klass->image->assembly;
4189 domain->entry_assembly = assembly;
4190 /* Domains created from another domain already have application_base and configuration_file set */
4191 if (domain->setup->application_base == NULL) {
4192 MONO_OBJECT_SETREF (domain->setup, application_base, mono_string_new (domain, assembly->basedir));
4195 if (domain->setup->configuration_file == NULL) {
4196 str = g_strconcat (assembly->image->name, ".config", NULL);
4197 MONO_OBJECT_SETREF (domain->setup, configuration_file, mono_string_new (domain, str));
4199 mono_domain_set_options_from_config (domain);
4203 cinfo = mono_custom_attrs_from_method (method);
4205 static MonoClass *stathread_attribute = NULL;
4206 if (!stathread_attribute)
4207 stathread_attribute = mono_class_from_name (mono_defaults.corlib, "System", "STAThreadAttribute");
4208 has_stathread_attribute = mono_custom_attrs_has_attr (cinfo, stathread_attribute);
4210 mono_custom_attrs_free (cinfo);
4212 has_stathread_attribute = FALSE;
4214 if (has_stathread_attribute) {
4215 thread->apartment_state = ThreadApartmentState_STA;
4217 thread->apartment_state = ThreadApartmentState_MTA;
4219 mono_thread_init_apartment_state ();
4221 /* FIXME: check signature of method */
4222 if (mono_method_signature (method)->ret->type == MONO_TYPE_I4) {
4224 res = mono_runtime_invoke (method, NULL, pa, exc);
4226 rval = *(guint32 *)((char *)res + sizeof (MonoObject));
4230 mono_environment_exitcode_set (rval);
4232 mono_runtime_invoke (method, NULL, pa, exc);
4236 /* If the return type of Main is void, only
4237 * set the exitcode if an exception was thrown
4238 * (we don't want to blow away an
4239 * explicitly-set exit code)
4242 mono_environment_exitcode_set (rval);
4250 * mono_install_runtime_invoke:
4251 * @func: Function to install
4253 * This is a VM internal routine
4256 mono_install_runtime_invoke (MonoInvokeFunc func)
4258 default_mono_runtime_invoke = func ? func: dummy_mono_runtime_invoke;
4263 * mono_runtime_invoke_array:
4264 * @method: method to invoke
4265 * @obJ: object instance
4266 * @params: arguments to the method
4267 * @exc: exception information.
4269 * Invokes the method represented by @method on the object @obj.
4271 * obj is the 'this' pointer, it should be NULL for static
4272 * methods, a MonoObject* for object instances and a pointer to
4273 * the value type for value types.
4275 * The params array contains the arguments to the method with the
4276 * same convention: MonoObject* pointers for object instances and
4277 * pointers to the value type otherwise. The _invoke_array
4278 * variant takes a C# object[] as the params argument (MonoArray
4279 * *params): in this case the value types are boxed inside the
4280 * respective reference representation.
4282 * From unmanaged code you'll usually use the
4283 * mono_runtime_invoke() variant.
4285 * Note that this function doesn't handle virtual methods for
4286 * you, it will exec the exact method you pass: we still need to
4287 * expose a function to lookup the derived class implementation
4288 * of a virtual method (there are examples of this in the code,
4291 * You can pass NULL as the exc argument if you don't want to
4292 * catch exceptions, otherwise, *exc will be set to the exception
4293 * thrown, if any. if an exception is thrown, you can't use the
4294 * MonoObject* result from the function.
4296 * If the method returns a value type, it is boxed in an object
4300 mono_runtime_invoke_array (MonoMethod *method, void *obj, MonoArray *params,
4303 MONO_REQ_GC_UNSAFE_MODE;
4305 MonoMethodSignature *sig = mono_method_signature (method);
4306 gpointer *pa = NULL;
4309 gboolean has_byref_nullables = FALSE;
4311 if (NULL != params) {
4312 pa = (void **)alloca (sizeof (gpointer) * mono_array_length (params));
4313 for (i = 0; i < mono_array_length (params); i++) {
4314 MonoType *t = sig->params [i];
4320 case MONO_TYPE_BOOLEAN:
4323 case MONO_TYPE_CHAR:
4332 case MONO_TYPE_VALUETYPE:
4333 if (t->type == MONO_TYPE_VALUETYPE && mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
4334 /* The runtime invoke wrapper needs the original boxed vtype, it does handle byref values as well. */
4335 pa [i] = mono_array_get (params, MonoObject*, i);
4337 has_byref_nullables = TRUE;
4339 /* MS seems to create the objects if a null is passed in */
4340 if (!mono_array_get (params, MonoObject*, i))
4341 mono_array_setref (params, i, mono_object_new (mono_domain_get (), mono_class_from_mono_type (sig->params [i])));
4345 * We can't pass the unboxed vtype byref to the callee, since
4346 * that would mean the callee would be able to modify boxed
4347 * primitive types. So we (and MS) make a copy of the boxed
4348 * object, pass that to the callee, and replace the original
4349 * boxed object in the arg array with the copy.
4351 MonoObject *orig = mono_array_get (params, MonoObject*, i);
4352 MonoObject *copy = mono_value_box (mono_domain_get (), orig->vtable->klass, mono_object_unbox (orig));
4353 mono_array_setref (params, i, copy);
4356 pa [i] = mono_object_unbox (mono_array_get (params, MonoObject*, i));
4359 case MONO_TYPE_STRING:
4360 case MONO_TYPE_OBJECT:
4361 case MONO_TYPE_CLASS:
4362 case MONO_TYPE_ARRAY:
4363 case MONO_TYPE_SZARRAY:
4365 pa [i] = mono_array_addr (params, MonoObject*, i);
4366 // FIXME: I need to check this code path
4368 pa [i] = mono_array_get (params, MonoObject*, i);
4370 case MONO_TYPE_GENERICINST:
4372 t = &t->data.generic_class->container_class->this_arg;
4374 t = &t->data.generic_class->container_class->byval_arg;
4376 case MONO_TYPE_PTR: {
4379 /* The argument should be an IntPtr */
4380 arg = mono_array_get (params, MonoObject*, i);
4384 g_assert (arg->vtable->klass == mono_defaults.int_class);
4385 pa [i] = ((MonoIntPtr*)arg)->m_value;
4390 g_error ("type 0x%x not handled in mono_runtime_invoke_array", sig->params [i]->type);
4395 if (!strcmp (method->name, ".ctor") && method->klass != mono_defaults.string_class) {
4398 if (mono_class_is_nullable (method->klass)) {
4399 /* Need to create a boxed vtype instead */
4405 return mono_value_box (mono_domain_get (), method->klass->cast_class, pa [0]);
4409 obj = mono_object_new (mono_domain_get (), method->klass);
4410 g_assert (obj); /*maybe we should raise a TLE instead?*/
4411 #ifndef DISABLE_REMOTING
4412 if (mono_object_class(obj) == mono_defaults.transparent_proxy_class) {
4413 method = mono_marshal_get_remoting_invoke (method->slot == -1 ? method : method->klass->vtable [method->slot]);
4416 if (method->klass->valuetype)
4417 o = (MonoObject *)mono_object_unbox ((MonoObject *)obj);
4420 } else if (method->klass->valuetype) {
4421 obj = mono_value_box (mono_domain_get (), method->klass, obj);
4424 mono_runtime_invoke (method, o, pa, exc);
4425 return (MonoObject *)obj;
4427 if (mono_class_is_nullable (method->klass)) {
4428 MonoObject *nullable;
4430 /* Convert the unboxed vtype into a Nullable structure */
4431 nullable = mono_object_new (mono_domain_get (), method->klass);
4433 mono_nullable_init ((guint8 *)mono_object_unbox (nullable), mono_value_box (mono_domain_get (), method->klass->cast_class, obj), method->klass);
4434 obj = mono_object_unbox (nullable);
4437 /* obj must be already unboxed if needed */
4438 res = mono_runtime_invoke (method, obj, pa, exc);
4440 if (sig->ret->type == MONO_TYPE_PTR) {
4441 MonoClass *pointer_class;
4442 static MonoMethod *box_method;
4444 MonoObject *box_exc;
4447 * The runtime-invoke wrapper returns a boxed IntPtr, need to
4448 * convert it to a Pointer object.
4450 pointer_class = mono_class_from_name_cached (mono_defaults.corlib, "System.Reflection", "Pointer");
4452 box_method = mono_class_get_method_from_name (pointer_class, "Box", -1);
4454 g_assert (res->vtable->klass == mono_defaults.int_class);
4455 box_args [0] = ((MonoIntPtr*)res)->m_value;
4456 box_args [1] = mono_type_get_object (mono_domain_get (), sig->ret);
4457 res = mono_runtime_invoke (box_method, NULL, box_args, &box_exc);
4458 g_assert (!box_exc);
4461 if (has_byref_nullables) {
4463 * The runtime invoke wrapper already converted byref nullables back,
4464 * and stored them in pa, we just need to copy them back to the
4467 for (i = 0; i < mono_array_length (params); i++) {
4468 MonoType *t = sig->params [i];
4470 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
4471 mono_array_setref (params, i, pa [i]);
4481 * @klass: the class of the object that we want to create
4483 * Returns: a newly created object whose definition is
4484 * looked up using @klass. This will not invoke any constructors,
4485 * so the consumer of this routine has to invoke any constructors on
4486 * its own to initialize the object.
4488 * It returns NULL on failure.
4491 mono_object_new (MonoDomain *domain, MonoClass *klass)
4493 MONO_REQ_GC_UNSAFE_MODE;
4497 vtable = mono_class_vtable (domain, klass);
4502 MonoObject *o = mono_object_new_specific_checked (vtable, &error);
4503 mono_error_raise_exception (&error); /* FIXME don't raise here */
4509 * mono_object_new_pinned:
4511 * Same as mono_object_new, but the returned object will be pinned.
4512 * For SGEN, these objects will only be freed at appdomain unload.
4515 mono_object_new_pinned (MonoDomain *domain, MonoClass *klass)
4517 MONO_REQ_GC_UNSAFE_MODE;
4521 vtable = mono_class_vtable (domain, klass);
4525 MonoObject *o = (MonoObject *)mono_gc_alloc_pinned_obj (vtable, mono_class_instance_size (klass));
4527 if (G_UNLIKELY (!o))
4528 mono_gc_out_of_memory (mono_class_instance_size (klass));
4529 else if (G_UNLIKELY (vtable->klass->has_finalize))
4530 mono_object_register_finalizer (o);
4536 * mono_object_new_specific:
4537 * @vtable: the vtable of the object that we want to create
4539 * Returns: A newly created object with class and domain specified
4543 mono_object_new_specific (MonoVTable *vtable)
4546 MonoObject *o = mono_object_new_specific_checked (vtable, &error);
4547 mono_error_raise_exception (&error);
4553 mono_object_new_specific_checked (MonoVTable *vtable, MonoError *error)
4555 MONO_REQ_GC_UNSAFE_MODE;
4559 mono_error_init (error);
4561 /* check for is_com_object for COM Interop */
4562 if (mono_vtable_is_remote (vtable) || mono_class_is_com_object (vtable->klass))
4565 MonoMethod *im = vtable->domain->create_proxy_for_type_method;
4568 MonoClass *klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Activation", "ActivationServices");
4571 mono_class_init (klass);
4573 im = mono_class_get_method_from_name (klass, "CreateProxyForType", 1);
4575 mono_error_set_generic_error (error, "System", "NotSupportedException", "Linked away.");
4578 vtable->domain->create_proxy_for_type_method = im;
4581 pa [0] = mono_type_get_object (mono_domain_get (), &vtable->klass->byval_arg);
4583 o = mono_runtime_invoke (im, NULL, pa, NULL);
4584 if (o != NULL) return o;
4587 return mono_object_new_alloc_specific_checked (vtable, error);
4591 ves_icall_object_new_specific (MonoVTable *vtable)
4594 MonoObject *o = mono_object_new_specific_checked (vtable, &error);
4595 mono_error_raise_exception (&error);
4601 mono_object_new_alloc_specific (MonoVTable *vtable)
4604 MonoObject *o = mono_object_new_alloc_specific_checked (vtable, &error);
4605 mono_error_raise_exception (&error);
4611 mono_object_new_alloc_specific_checked (MonoVTable *vtable, MonoError *error)
4613 MONO_REQ_GC_UNSAFE_MODE;
4617 mono_error_init (error);
4619 o = (MonoObject *)mono_gc_alloc_obj (vtable, vtable->klass->instance_size);
4621 if (G_UNLIKELY (!o))
4622 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", vtable->klass->instance_size);
4623 else if (G_UNLIKELY (vtable->klass->has_finalize))
4624 mono_object_register_finalizer (o);
4630 mono_object_new_fast (MonoVTable *vtable)
4633 MonoObject *o = mono_object_new_fast_checked (vtable, &error);
4634 mono_error_raise_exception (&error);
4640 mono_object_new_fast_checked (MonoVTable *vtable, MonoError *error)
4642 MONO_REQ_GC_UNSAFE_MODE;
4646 mono_error_init (error);
4648 o = mono_gc_alloc_obj (vtable, vtable->klass->instance_size);
4650 if (G_UNLIKELY (!o))
4651 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", vtable->klass->instance_size);
4657 ves_icall_object_new_fast (MonoVTable *vtable)
4660 MonoObject *o = mono_object_new_fast_checked (vtable, &error);
4661 mono_error_raise_exception (&error);
4667 mono_object_new_mature (MonoVTable *vtable, MonoError *error)
4669 MONO_REQ_GC_UNSAFE_MODE;
4673 mono_error_init (error);
4675 o = mono_gc_alloc_mature (vtable, vtable->klass->instance_size);
4677 if (G_UNLIKELY (!o))
4678 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", vtable->klass->instance_size);
4679 else if (G_UNLIKELY (vtable->klass->has_finalize))
4680 mono_object_register_finalizer (o);
4686 * mono_class_get_allocation_ftn:
4688 * @for_box: the object will be used for boxing
4689 * @pass_size_in_words:
4691 * Return the allocation function appropriate for the given class.
4695 mono_class_get_allocation_ftn (MonoVTable *vtable, gboolean for_box, gboolean *pass_size_in_words)
4697 MONO_REQ_GC_NEUTRAL_MODE;
4699 *pass_size_in_words = FALSE;
4701 if (mono_class_has_finalizer (vtable->klass) || mono_class_is_marshalbyref (vtable->klass) || (mono_profiler_get_events () & MONO_PROFILE_ALLOCATIONS))
4702 return ves_icall_object_new_specific;
4704 if (vtable->gc_descr != MONO_GC_DESCRIPTOR_NULL) {
4706 return ves_icall_object_new_fast;
4709 * FIXME: This is actually slower than ves_icall_object_new_fast, because
4710 * of the overhead of parameter passing.
4713 *pass_size_in_words = TRUE;
4714 #ifdef GC_REDIRECT_TO_LOCAL
4715 return GC_local_gcj_fast_malloc;
4717 return GC_gcj_fast_malloc;
4722 return ves_icall_object_new_specific;
4726 * mono_object_new_from_token:
4727 * @image: Context where the type_token is hosted
4728 * @token: a token of the type that we want to create
4730 * Returns: A newly created object whose definition is
4731 * looked up using @token in the @image image
4734 mono_object_new_from_token (MonoDomain *domain, MonoImage *image, guint32 token)
4736 MONO_REQ_GC_UNSAFE_MODE;
4741 klass = mono_class_get_checked (image, token, &error);
4742 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4744 return mono_object_new (domain, klass);
4749 * mono_object_clone:
4750 * @obj: the object to clone
4752 * Returns: A newly created object who is a shallow copy of @obj
4755 mono_object_clone (MonoObject *obj)
4758 MonoObject *o = mono_object_clone_checked (obj, &error);
4759 mono_error_raise_exception (&error);
4765 mono_object_clone_checked (MonoObject *obj, MonoError *error)
4767 MONO_REQ_GC_UNSAFE_MODE;
4772 mono_error_init (error);
4774 size = obj->vtable->klass->instance_size;
4776 if (obj->vtable->klass->rank)
4777 return (MonoObject*)mono_array_clone ((MonoArray*)obj);
4779 o = (MonoObject *)mono_gc_alloc_obj (obj->vtable, size);
4781 if (G_UNLIKELY (!o)) {
4782 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", size);
4786 /* If the object doesn't contain references this will do a simple memmove. */
4787 mono_gc_wbarrier_object_copy (o, obj);
4789 if (obj->vtable->klass->has_finalize)
4790 mono_object_register_finalizer (o);
4795 * mono_array_full_copy:
4796 * @src: source array to copy
4797 * @dest: destination array
4799 * Copies the content of one array to another with exactly the same type and size.
4802 mono_array_full_copy (MonoArray *src, MonoArray *dest)
4804 MONO_REQ_GC_UNSAFE_MODE;
4807 MonoClass *klass = src->obj.vtable->klass;
4809 g_assert (klass == dest->obj.vtable->klass);
4811 size = mono_array_length (src);
4812 g_assert (size == mono_array_length (dest));
4813 size *= mono_array_element_size (klass);
4815 if (klass->element_class->valuetype) {
4816 if (klass->element_class->has_references)
4817 mono_value_copy_array (dest, 0, mono_array_addr_with_size_fast (src, 0, 0), mono_array_length (src));
4819 mono_gc_memmove_atomic (&dest->vector, &src->vector, size);
4821 mono_array_memcpy_refs (dest, 0, src, 0, mono_array_length (src));
4824 mono_gc_memmove_atomic (&dest->vector, &src->vector, size);
4829 * mono_array_clone_in_domain:
4830 * @domain: the domain in which the array will be cloned into
4831 * @array: the array to clone
4833 * This routine returns a copy of the array that is hosted on the
4834 * specified MonoDomain.
4837 mono_array_clone_in_domain (MonoDomain *domain, MonoArray *array)
4839 MONO_REQ_GC_UNSAFE_MODE;
4845 MonoClass *klass = array->obj.vtable->klass;
4847 if (array->bounds == NULL) {
4848 size = mono_array_length (array);
4849 o = mono_array_new_full_checked (domain, klass, &size, NULL, &error);
4850 mono_error_raise_exception (&error); /* FIXME don't raise here */
4852 size *= mono_array_element_size (klass);
4854 if (klass->element_class->valuetype) {
4855 if (klass->element_class->has_references)
4856 mono_value_copy_array (o, 0, mono_array_addr_with_size_fast (array, 0, 0), mono_array_length (array));
4858 mono_gc_memmove_atomic (&o->vector, &array->vector, size);
4860 mono_array_memcpy_refs (o, 0, array, 0, mono_array_length (array));
4863 mono_gc_memmove_atomic (&o->vector, &array->vector, size);
4868 sizes = (uintptr_t *)alloca (klass->rank * sizeof(intptr_t) * 2);
4869 size = mono_array_element_size (klass);
4870 for (i = 0; i < klass->rank; ++i) {
4871 sizes [i] = array->bounds [i].length;
4872 size *= array->bounds [i].length;
4873 sizes [i + klass->rank] = array->bounds [i].lower_bound;
4875 o = mono_array_new_full_checked (domain, klass, sizes, (intptr_t*)sizes + klass->rank, &error);
4876 mono_error_raise_exception (&error); /* FIXME don't raise here */
4878 if (klass->element_class->valuetype) {
4879 if (klass->element_class->has_references)
4880 mono_value_copy_array (o, 0, mono_array_addr_with_size_fast (array, 0, 0), mono_array_length (array));
4882 mono_gc_memmove_atomic (&o->vector, &array->vector, size);
4884 mono_array_memcpy_refs (o, 0, array, 0, mono_array_length (array));
4887 mono_gc_memmove_atomic (&o->vector, &array->vector, size);
4895 * @array: the array to clone
4897 * Returns: A newly created array who is a shallow copy of @array
4900 mono_array_clone (MonoArray *array)
4902 MONO_REQ_GC_UNSAFE_MODE;
4904 return mono_array_clone_in_domain (((MonoObject *)array)->vtable->domain, array);
4907 /* helper macros to check for overflow when calculating the size of arrays */
4908 #ifdef MONO_BIG_ARRAYS
4909 #define MYGUINT64_MAX 0x0000FFFFFFFFFFFFUL
4910 #define MYGUINT_MAX MYGUINT64_MAX
4911 #define CHECK_ADD_OVERFLOW_UN(a,b) \
4912 (G_UNLIKELY ((guint64)(MYGUINT64_MAX) - (guint64)(b) < (guint64)(a)))
4913 #define CHECK_MUL_OVERFLOW_UN(a,b) \
4914 (G_UNLIKELY (((guint64)(a) > 0) && ((guint64)(b) > 0) && \
4915 ((guint64)(b) > ((MYGUINT64_MAX) / (guint64)(a)))))
4917 #define MYGUINT32_MAX 4294967295U
4918 #define MYGUINT_MAX MYGUINT32_MAX
4919 #define CHECK_ADD_OVERFLOW_UN(a,b) \
4920 (G_UNLIKELY ((guint32)(MYGUINT32_MAX) - (guint32)(b) < (guint32)(a)))
4921 #define CHECK_MUL_OVERFLOW_UN(a,b) \
4922 (G_UNLIKELY (((guint32)(a) > 0) && ((guint32)(b) > 0) && \
4923 ((guint32)(b) > ((MYGUINT32_MAX) / (guint32)(a)))))
4927 mono_array_calc_byte_len (MonoClass *klass, uintptr_t len, uintptr_t *res)
4929 MONO_REQ_GC_NEUTRAL_MODE;
4933 byte_len = mono_array_element_size (klass);
4934 if (CHECK_MUL_OVERFLOW_UN (byte_len, len))
4937 if (CHECK_ADD_OVERFLOW_UN (byte_len, MONO_SIZEOF_MONO_ARRAY))
4939 byte_len += MONO_SIZEOF_MONO_ARRAY;
4947 * mono_array_new_full:
4948 * @domain: domain where the object is created
4949 * @array_class: array class
4950 * @lengths: lengths for each dimension in the array
4951 * @lower_bounds: lower bounds for each dimension in the array (may be NULL)
4953 * This routine creates a new array objects with the given dimensions,
4954 * lower bounds and type.
4957 mono_array_new_full (MonoDomain *domain, MonoClass *array_class, uintptr_t *lengths, intptr_t *lower_bounds)
4960 MonoArray *array = mono_array_new_full_checked (domain, array_class, lengths, lower_bounds, &error);
4961 mono_error_raise_exception (&error);
4967 mono_array_new_full_checked (MonoDomain *domain, MonoClass *array_class, uintptr_t *lengths, intptr_t *lower_bounds, MonoError *error)
4969 MONO_REQ_GC_UNSAFE_MODE;
4971 uintptr_t byte_len = 0, len, bounds_size;
4974 MonoArrayBounds *bounds;
4978 mono_error_init (error);
4980 if (!array_class->inited)
4981 mono_class_init (array_class);
4985 /* A single dimensional array with a 0 lower bound is the same as an szarray */
4986 if (array_class->rank == 1 && ((array_class->byval_arg.type == MONO_TYPE_SZARRAY) || (lower_bounds && lower_bounds [0] == 0))) {
4988 if (len > MONO_ARRAY_MAX_INDEX) {
4989 mono_error_set_generic_error (error, "System", "OverflowException", "");
4994 bounds_size = sizeof (MonoArrayBounds) * array_class->rank;
4996 for (i = 0; i < array_class->rank; ++i) {
4997 if (lengths [i] > MONO_ARRAY_MAX_INDEX) {
4998 mono_error_set_generic_error (error, "System", "OverflowException", "");
5001 if (CHECK_MUL_OVERFLOW_UN (len, lengths [i])) {
5002 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", MONO_ARRAY_MAX_SIZE);
5009 if (!mono_array_calc_byte_len (array_class, len, &byte_len)) {
5010 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", MONO_ARRAY_MAX_SIZE);
5016 if (CHECK_ADD_OVERFLOW_UN (byte_len, 3)) {
5017 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", MONO_ARRAY_MAX_SIZE);
5020 byte_len = (byte_len + 3) & ~3;
5021 if (CHECK_ADD_OVERFLOW_UN (byte_len, bounds_size)) {
5022 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", MONO_ARRAY_MAX_SIZE);
5025 byte_len += bounds_size;
5028 * Following three lines almost taken from mono_object_new ():
5029 * they need to be kept in sync.
5031 vtable = mono_class_vtable_full (domain, array_class, TRUE);
5033 o = (MonoObject *)mono_gc_alloc_array (vtable, byte_len, len, bounds_size);
5035 o = (MonoObject *)mono_gc_alloc_vector (vtable, byte_len, len);
5037 if (G_UNLIKELY (!o)) {
5038 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", byte_len);
5042 array = (MonoArray*)o;
5044 bounds = array->bounds;
5047 for (i = 0; i < array_class->rank; ++i) {
5048 bounds [i].length = lengths [i];
5050 bounds [i].lower_bound = lower_bounds [i];
5059 * @domain: domain where the object is created
5060 * @eclass: element class
5061 * @n: number of array elements
5063 * This routine creates a new szarray with @n elements of type @eclass.
5066 mono_array_new (MonoDomain *domain, MonoClass *eclass, uintptr_t n)
5068 MONO_REQ_GC_UNSAFE_MODE;
5074 ac = mono_array_class_get (eclass, 1);
5077 arr = mono_array_new_specific_checked (mono_class_vtable_full (domain, ac, TRUE), n, &error);
5078 mono_error_raise_exception (&error); /* FIXME don't raise here */
5084 * mono_array_new_specific:
5085 * @vtable: a vtable in the appropriate domain for an initialized class
5086 * @n: number of array elements
5088 * This routine is a fast alternative to mono_array_new() for code which
5089 * can be sure about the domain it operates in.
5092 mono_array_new_specific (MonoVTable *vtable, uintptr_t n)
5095 MonoArray *arr = mono_array_new_specific_checked (vtable, n, &error);
5096 mono_error_raise_exception (&error); /* FIXME don't raise here */
5102 mono_array_new_specific_checked (MonoVTable *vtable, uintptr_t n, MonoError *error)
5104 MONO_REQ_GC_UNSAFE_MODE;
5109 mono_error_init (error);
5111 if (G_UNLIKELY (n > MONO_ARRAY_MAX_INDEX)) {
5112 mono_error_set_generic_error (error, "System", "OverflowException", "");
5116 if (!mono_array_calc_byte_len (vtable->klass, n, &byte_len)) {
5117 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", MONO_ARRAY_MAX_SIZE);
5120 o = (MonoObject *)mono_gc_alloc_vector (vtable, byte_len, n);
5122 if (G_UNLIKELY (!o)) {
5123 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", byte_len);
5127 return (MonoArray*)o;
5131 ves_icall_array_new_specific (MonoVTable *vtable, uintptr_t n)
5134 MonoArray *arr = mono_array_new_specific_checked (vtable, n, &error);
5135 mono_error_raise_exception (&error);
5141 * mono_string_new_utf16:
5142 * @text: a pointer to an utf16 string
5143 * @len: the length of the string
5145 * Returns: A newly created string object which contains @text.
5148 mono_string_new_utf16 (MonoDomain *domain, const guint16 *text, gint32 len)
5150 MONO_REQ_GC_UNSAFE_MODE;
5155 s = mono_string_new_size_checked (domain, len, &error);
5156 mono_error_raise_exception (&error); /* FIXME don't raise here */
5158 memcpy (mono_string_chars (s), text, len * 2);
5164 * mono_string_new_utf32:
5165 * @text: a pointer to an utf32 string
5166 * @len: the length of the string
5168 * Returns: A newly created string object which contains @text.
5171 mono_string_new_utf32 (MonoDomain *domain, const mono_unichar4 *text, gint32 len)
5173 MONO_REQ_GC_UNSAFE_MODE;
5177 mono_unichar2 *utf16_output = NULL;
5178 gint32 utf16_len = 0;
5179 GError *gerror = NULL;
5180 glong items_written;
5182 utf16_output = g_ucs4_to_utf16 (text, len, NULL, &items_written, &gerror);
5185 g_error_free (gerror);
5187 while (utf16_output [utf16_len]) utf16_len++;
5189 s = mono_string_new_size_checked (domain, utf16_len, &error);
5190 mono_error_raise_exception (&error); /* FIXME don't raise here */
5192 memcpy (mono_string_chars (s), utf16_output, utf16_len * 2);
5194 g_free (utf16_output);
5200 * mono_string_new_size:
5201 * @text: a pointer to an utf16 string
5202 * @len: the length of the string
5204 * Returns: A newly created string object of @len
5207 mono_string_new_size (MonoDomain *domain, gint32 len)
5210 MonoString *str = mono_string_new_size_checked (domain, len, &error);
5211 mono_error_raise_exception (&error);
5217 mono_string_new_size_checked (MonoDomain *domain, gint32 len, MonoError *error)
5219 MONO_REQ_GC_UNSAFE_MODE;
5225 mono_error_init (error);
5227 /* check for overflow */
5228 if (len < 0 || len > ((SIZE_MAX - G_STRUCT_OFFSET (MonoString, chars) - 8) / 2)) {
5229 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", -1);
5233 size = (G_STRUCT_OFFSET (MonoString, chars) + (((size_t)len + 1) * 2));
5234 g_assert (size > 0);
5236 vtable = mono_class_vtable (domain, mono_defaults.string_class);
5239 s = (MonoString *)mono_gc_alloc_string (vtable, size, len);
5241 if (G_UNLIKELY (!s)) {
5242 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", size);
5250 * mono_string_new_len:
5251 * @text: a pointer to an utf8 string
5252 * @length: number of bytes in @text to consider
5254 * Returns: A newly created string object which contains @text.
5257 mono_string_new_len (MonoDomain *domain, const char *text, guint length)
5259 MONO_REQ_GC_UNSAFE_MODE;
5261 GError *error = NULL;
5262 MonoString *o = NULL;
5264 glong items_written;
5266 ut = eg_utf8_to_utf16_with_nuls (text, length, NULL, &items_written, &error);
5269 o = mono_string_new_utf16 (domain, ut, items_written);
5271 g_error_free (error);
5280 * @text: a pointer to an utf8 string
5282 * Returns: A newly created string object which contains @text.
5285 mono_string_new (MonoDomain *domain, const char *text)
5287 MONO_REQ_GC_UNSAFE_MODE;
5289 GError *error = NULL;
5290 MonoString *o = NULL;
5292 glong items_written;
5297 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
5300 o = mono_string_new_utf16 (domain, ut, items_written);
5302 g_error_free (error);
5305 /*FIXME g_utf8_get_char, g_utf8_next_char and g_utf8_validate are not part of eglib.*/
5311 MonoString *o = NULL;
5313 if (!g_utf8_validate (text, -1, &end))
5316 len = g_utf8_strlen (text, -1);
5317 o = mono_string_new_size_checked (domain, len, &error);
5318 mono_error_raise_exception (&error); /* FIXME don't raise here */
5319 str = mono_string_chars (o);
5321 while (text < end) {
5322 *str++ = g_utf8_get_char (text);
5323 text = g_utf8_next_char (text);
5330 * mono_string_new_wrapper:
5331 * @text: pointer to utf8 characters.
5333 * Helper function to create a string object from @text in the current domain.
5336 mono_string_new_wrapper (const char *text)
5338 MONO_REQ_GC_UNSAFE_MODE;
5340 MonoDomain *domain = mono_domain_get ();
5343 return mono_string_new (domain, text);
5350 * @class: the class of the value
5351 * @value: a pointer to the unboxed data
5353 * Returns: A newly created object which contains @value.
5356 mono_value_box (MonoDomain *domain, MonoClass *klass, gpointer value)
5358 MONO_REQ_GC_UNSAFE_MODE;
5365 g_assert (klass->valuetype);
5366 if (mono_class_is_nullable (klass))
5367 return mono_nullable_box ((guint8 *)value, klass);
5369 vtable = mono_class_vtable (domain, klass);
5372 size = mono_class_instance_size (klass);
5373 res = mono_object_new_alloc_specific_checked (vtable, &error);
5374 mono_error_raise_exception (&error); /* FIXME don't raise here */
5376 size = size - sizeof (MonoObject);
5379 g_assert (size == mono_class_value_size (klass, NULL));
5380 mono_gc_wbarrier_value_copy ((char *)res + sizeof (MonoObject), value, 1, klass);
5382 #if NO_UNALIGNED_ACCESS
5383 mono_gc_memmove_atomic ((char *)res + sizeof (MonoObject), value, size);
5387 *((guint8 *) res + sizeof (MonoObject)) = *(guint8 *) value;
5390 *(guint16 *)((guint8 *) res + sizeof (MonoObject)) = *(guint16 *) value;
5393 *(guint32 *)((guint8 *) res + sizeof (MonoObject)) = *(guint32 *) value;
5396 *(guint64 *)((guint8 *) res + sizeof (MonoObject)) = *(guint64 *) value;
5399 mono_gc_memmove_atomic ((char *)res + sizeof (MonoObject), value, size);
5403 if (klass->has_finalize)
5404 mono_object_register_finalizer (res);
5410 * @dest: destination pointer
5411 * @src: source pointer
5412 * @klass: a valuetype class
5414 * Copy a valuetype from @src to @dest. This function must be used
5415 * when @klass contains references fields.
5418 mono_value_copy (gpointer dest, gpointer src, MonoClass *klass)
5420 MONO_REQ_GC_UNSAFE_MODE;
5422 mono_gc_wbarrier_value_copy (dest, src, 1, klass);
5426 * mono_value_copy_array:
5427 * @dest: destination array
5428 * @dest_idx: index in the @dest array
5429 * @src: source pointer
5430 * @count: number of items
5432 * Copy @count valuetype items from @src to the array @dest at index @dest_idx.
5433 * This function must be used when @klass contains references fields.
5434 * Overlap is handled.
5437 mono_value_copy_array (MonoArray *dest, int dest_idx, gpointer src, int count)
5439 MONO_REQ_GC_UNSAFE_MODE;
5441 int size = mono_array_element_size (dest->obj.vtable->klass);
5442 char *d = mono_array_addr_with_size_fast (dest, size, dest_idx);
5443 g_assert (size == mono_class_value_size (mono_object_class (dest)->element_class, NULL));
5444 mono_gc_wbarrier_value_copy (d, src, count, mono_object_class (dest)->element_class);
5448 * mono_object_get_domain:
5449 * @obj: object to query
5451 * Returns: the MonoDomain where the object is hosted
5454 mono_object_get_domain (MonoObject *obj)
5456 MONO_REQ_GC_UNSAFE_MODE;
5458 return mono_object_domain (obj);
5462 * mono_object_get_class:
5463 * @obj: object to query
5465 * Returns: the MonOClass of the object.
5468 mono_object_get_class (MonoObject *obj)
5470 MONO_REQ_GC_UNSAFE_MODE;
5472 return mono_object_class (obj);
5475 * mono_object_get_size:
5476 * @o: object to query
5478 * Returns: the size, in bytes, of @o
5481 mono_object_get_size (MonoObject* o)
5483 MONO_REQ_GC_UNSAFE_MODE;
5485 MonoClass* klass = mono_object_class (o);
5486 if (klass == mono_defaults.string_class) {
5487 return sizeof (MonoString) + 2 * mono_string_length ((MonoString*) o) + 2;
5488 } else if (o->vtable->rank) {
5489 MonoArray *array = (MonoArray*)o;
5490 size_t size = MONO_SIZEOF_MONO_ARRAY + mono_array_element_size (klass) * mono_array_length (array);
5491 if (array->bounds) {
5494 size += sizeof (MonoArrayBounds) * o->vtable->rank;
5498 return mono_class_instance_size (klass);
5503 * mono_object_unbox:
5504 * @obj: object to unbox
5506 * Returns: a pointer to the start of the valuetype boxed in this
5509 * This method will assert if the object passed is not a valuetype.
5512 mono_object_unbox (MonoObject *obj)
5514 MONO_REQ_GC_UNSAFE_MODE;
5516 /* add assert for valuetypes? */
5517 g_assert (obj->vtable->klass->valuetype);
5518 return ((char*)obj) + sizeof (MonoObject);
5522 * mono_object_isinst:
5524 * @klass: a pointer to a class
5526 * Returns: @obj if @obj is derived from @klass
5529 mono_object_isinst (MonoObject *obj, MonoClass *klass)
5531 MONO_REQ_GC_UNSAFE_MODE;
5534 mono_class_init (klass);
5536 if (mono_class_is_marshalbyref (klass) || (klass->flags & TYPE_ATTRIBUTE_INTERFACE))
5537 return mono_object_isinst_mbyref (obj, klass);
5542 return mono_class_is_assignable_from (klass, obj->vtable->klass) ? obj : NULL;
5546 mono_object_isinst_mbyref (MonoObject *obj, MonoClass *klass)
5548 MONO_REQ_GC_UNSAFE_MODE;
5557 if (klass->flags & TYPE_ATTRIBUTE_INTERFACE) {
5558 if (MONO_VTABLE_IMPLEMENTS_INTERFACE (vt, klass->interface_id)) {
5562 /*If the above check fails we are in the slow path of possibly raising an exception. So it's ok to it this way.*/
5563 if (mono_class_has_variant_generic_params (klass) && mono_class_is_assignable_from (klass, obj->vtable->klass))
5566 MonoClass *oklass = vt->klass;
5567 if (mono_class_is_transparent_proxy (oklass))
5568 oklass = ((MonoTransparentProxy *)obj)->remote_class->proxy_class;
5570 mono_class_setup_supertypes (klass);
5571 if ((oklass->idepth >= klass->idepth) && (oklass->supertypes [klass->idepth - 1] == klass))
5574 #ifndef DISABLE_REMOTING
5575 if (vt->klass == mono_defaults.transparent_proxy_class && ((MonoTransparentProxy *)obj)->custom_type_info)
5577 MonoDomain *domain = mono_domain_get ();
5579 MonoObject *rp = (MonoObject *)((MonoTransparentProxy *)obj)->rp;
5580 MonoClass *rpklass = mono_defaults.iremotingtypeinfo_class;
5581 MonoMethod *im = NULL;
5584 im = mono_class_get_method_from_name (rpklass, "CanCastTo", -1);
5586 mono_raise_exception (mono_get_exception_not_supported ("Linked away."));
5587 im = mono_object_get_virtual_method (rp, im);
5590 pa [0] = mono_type_get_object (domain, &klass->byval_arg);
5593 res = mono_runtime_invoke (im, rp, pa, NULL);
5595 if (*(MonoBoolean *) mono_object_unbox(res)) {
5596 /* Update the vtable of the remote type, so it can safely cast to this new type */
5597 mono_upgrade_remote_class (domain, obj, klass);
5601 #endif /* DISABLE_REMOTING */
5606 * mono_object_castclass_mbyref:
5608 * @klass: a pointer to a class
5610 * Returns: @obj if @obj is derived from @klass, throws an exception otherwise
5613 mono_object_castclass_mbyref (MonoObject *obj, MonoClass *klass)
5615 MONO_REQ_GC_UNSAFE_MODE;
5617 if (!obj) return NULL;
5618 if (mono_object_isinst_mbyref (obj, klass)) return obj;
5620 mono_raise_exception (mono_exception_from_name (mono_defaults.corlib,
5622 "InvalidCastException"));
5627 MonoDomain *orig_domain;
5633 str_lookup (MonoDomain *domain, gpointer user_data)
5635 MONO_REQ_GC_UNSAFE_MODE;
5637 LDStrInfo *info = (LDStrInfo *)user_data;
5638 if (info->res || domain == info->orig_domain)
5640 info->res = (MonoString *)mono_g_hash_table_lookup (domain->ldstr_table, info->ins);
5644 mono_string_get_pinned (MonoString *str, MonoError *error)
5646 MONO_REQ_GC_UNSAFE_MODE;
5648 mono_error_init (error);
5650 /* We only need to make a pinned version of a string if this is a moving GC */
5651 if (!mono_gc_is_moving ())
5655 size = sizeof (MonoString) + 2 * (mono_string_length (str) + 1);
5656 news = (MonoString *)mono_gc_alloc_pinned_obj (((MonoObject*)str)->vtable, size);
5658 memcpy (mono_string_chars (news), mono_string_chars (str), mono_string_length (str) * 2);
5659 news->length = mono_string_length (str);
5661 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", size);
5667 mono_string_is_interned_lookup (MonoString *str, int insert)
5669 MONO_REQ_GC_UNSAFE_MODE;
5672 MonoGHashTable *ldstr_table;
5673 MonoString *s, *res;
5676 domain = ((MonoObject *)str)->vtable->domain;
5677 ldstr_table = domain->ldstr_table;
5679 res = (MonoString *)mono_g_hash_table_lookup (ldstr_table, str);
5685 /* Allocate outside the lock */
5687 s = mono_string_get_pinned (str, &error);
5688 mono_error_raise_exception (&error); /* FIXME don't raise here */
5691 res = (MonoString *)mono_g_hash_table_lookup (ldstr_table, str);
5696 mono_g_hash_table_insert (ldstr_table, s, s);
5701 LDStrInfo ldstr_info;
5702 ldstr_info.orig_domain = domain;
5703 ldstr_info.ins = str;
5704 ldstr_info.res = NULL;
5706 mono_domain_foreach (str_lookup, &ldstr_info);
5707 if (ldstr_info.res) {
5709 * the string was already interned in some other domain:
5710 * intern it in the current one as well.
5712 mono_g_hash_table_insert (ldstr_table, str, str);
5722 * mono_string_is_interned:
5723 * @o: String to probe
5725 * Returns whether the string has been interned.
5728 mono_string_is_interned (MonoString *o)
5730 MONO_REQ_GC_UNSAFE_MODE;
5732 return mono_string_is_interned_lookup (o, FALSE);
5736 * mono_string_intern:
5737 * @o: String to intern
5739 * Interns the string passed.
5740 * Returns: The interned string.
5743 mono_string_intern (MonoString *str)
5745 MONO_REQ_GC_UNSAFE_MODE;
5747 return mono_string_is_interned_lookup (str, TRUE);
5752 * @domain: the domain where the string will be used.
5753 * @image: a metadata context
5754 * @idx: index into the user string table.
5756 * Implementation for the ldstr opcode.
5757 * Returns: a loaded string from the @image/@idx combination.
5760 mono_ldstr (MonoDomain *domain, MonoImage *image, guint32 idx)
5762 MONO_REQ_GC_UNSAFE_MODE;
5764 if (image->dynamic) {
5765 MonoString *str = (MonoString *)mono_lookup_dynamic_token (image, MONO_TOKEN_STRING | idx, NULL);
5768 if (!mono_verifier_verify_string_signature (image, idx, NULL))
5769 return NULL; /*FIXME we should probably be raising an exception here*/
5770 return mono_ldstr_metadata_sig (domain, mono_metadata_user_string (image, idx));
5775 * mono_ldstr_metadata_sig
5776 * @domain: the domain for the string
5777 * @sig: the signature of a metadata string
5779 * Returns: a MonoString for a string stored in the metadata
5782 mono_ldstr_metadata_sig (MonoDomain *domain, const char* sig)
5784 MONO_REQ_GC_UNSAFE_MODE;
5787 const char *str = sig;
5788 MonoString *o, *interned;
5791 len2 = mono_metadata_decode_blob_size (str, &str);
5794 o = mono_string_new_utf16 (domain, (guint16*)str, len2);
5795 #if G_BYTE_ORDER != G_LITTLE_ENDIAN
5798 guint16 *p2 = (guint16*)mono_string_chars (o);
5799 for (i = 0; i < len2; ++i) {
5800 *p2 = GUINT16_FROM_LE (*p2);
5806 interned = (MonoString *)mono_g_hash_table_lookup (domain->ldstr_table, o);
5809 return interned; /* o will get garbage collected */
5811 o = mono_string_get_pinned (o, &error);
5812 mono_error_raise_exception (&error); /* FIXME don't raise here */
5815 interned = (MonoString *)mono_g_hash_table_lookup (domain->ldstr_table, o);
5817 mono_g_hash_table_insert (domain->ldstr_table, o, o);
5827 * mono_string_to_utf8:
5828 * @s: a System.String
5830 * Returns the UTF8 representation for @s.
5831 * The resulting buffer needs to be freed with mono_free().
5833 * @deprecated Use mono_string_to_utf8_checked to avoid having an exception arbritraly raised.
5836 mono_string_to_utf8 (MonoString *s)
5838 MONO_REQ_GC_UNSAFE_MODE;
5841 char *result = mono_string_to_utf8_checked (s, &error);
5843 if (!mono_error_ok (&error))
5844 mono_error_raise_exception (&error);
5849 * mono_string_to_utf8_checked:
5850 * @s: a System.String
5851 * @error: a MonoError.
5853 * Converts a MonoString to its UTF8 representation. May fail; check
5854 * @error to determine whether the conversion was successful.
5855 * The resulting buffer should be freed with mono_free().
5858 mono_string_to_utf8_checked (MonoString *s, MonoError *error)
5860 MONO_REQ_GC_UNSAFE_MODE;
5864 GError *gerror = NULL;
5866 mono_error_init (error);
5872 return g_strdup ("");
5874 as = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &written, &gerror);
5876 mono_error_set_argument (error, "string", "%s", gerror->message);
5877 g_error_free (gerror);
5880 /* g_utf16_to_utf8 may not be able to complete the convertion (e.g. NULL values were found, #335488) */
5881 if (s->length > written) {
5882 /* allocate the total length and copy the part of the string that has been converted */
5883 char *as2 = (char *)g_malloc0 (s->length);
5884 memcpy (as2, as, written);
5893 * mono_string_to_utf8_ignore:
5896 * Converts a MonoString to its UTF8 representation. Will ignore
5897 * invalid surrogate pairs.
5898 * The resulting buffer should be freed with mono_free().
5902 mono_string_to_utf8_ignore (MonoString *s)
5904 MONO_REQ_GC_UNSAFE_MODE;
5913 return g_strdup ("");
5915 as = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &written, NULL);
5917 /* g_utf16_to_utf8 may not be able to complete the convertion (e.g. NULL values were found, #335488) */
5918 if (s->length > written) {
5919 /* allocate the total length and copy the part of the string that has been converted */
5920 char *as2 = (char *)g_malloc0 (s->length);
5921 memcpy (as2, as, written);
5930 * mono_string_to_utf8_image_ignore:
5931 * @s: a System.String
5933 * Same as mono_string_to_utf8_ignore, but allocate the string from the image mempool.
5936 mono_string_to_utf8_image_ignore (MonoImage *image, MonoString *s)
5938 MONO_REQ_GC_UNSAFE_MODE;
5940 return mono_string_to_utf8_internal (NULL, image, s, TRUE, NULL);
5944 * mono_string_to_utf8_mp_ignore:
5945 * @s: a System.String
5947 * Same as mono_string_to_utf8_ignore, but allocate the string from a mempool.
5950 mono_string_to_utf8_mp_ignore (MonoMemPool *mp, MonoString *s)
5952 MONO_REQ_GC_UNSAFE_MODE;
5954 return mono_string_to_utf8_internal (mp, NULL, s, TRUE, NULL);
5959 * mono_string_to_utf16:
5962 * Return an null-terminated array of the utf-16 chars
5963 * contained in @s. The result must be freed with g_free().
5964 * This is a temporary helper until our string implementation
5965 * is reworked to always include the null terminating char.
5968 mono_string_to_utf16 (MonoString *s)
5970 MONO_REQ_GC_UNSAFE_MODE;
5977 as = (char *)g_malloc ((s->length * 2) + 2);
5978 as [(s->length * 2)] = '\0';
5979 as [(s->length * 2) + 1] = '\0';
5982 return (gunichar2 *)(as);
5985 memcpy (as, mono_string_chars(s), s->length * 2);
5986 return (gunichar2 *)(as);
5990 * mono_string_to_utf32:
5993 * Return an null-terminated array of the UTF-32 (UCS-4) chars
5994 * contained in @s. The result must be freed with g_free().
5997 mono_string_to_utf32 (MonoString *s)
5999 MONO_REQ_GC_UNSAFE_MODE;
6001 mono_unichar4 *utf32_output = NULL;
6002 GError *error = NULL;
6003 glong items_written;
6008 utf32_output = g_utf16_to_ucs4 (s->chars, s->length, NULL, &items_written, &error);
6011 g_error_free (error);
6013 return utf32_output;
6017 * mono_string_from_utf16:
6018 * @data: the UTF16 string (LPWSTR) to convert
6020 * Converts a NULL terminated UTF16 string (LPWSTR) to a MonoString.
6022 * Returns: a MonoString.
6025 mono_string_from_utf16 (gunichar2 *data)
6027 MONO_REQ_GC_UNSAFE_MODE;
6029 MonoDomain *domain = mono_domain_get ();
6035 while (data [len]) len++;
6037 return mono_string_new_utf16 (domain, data, len);
6041 * mono_string_from_utf32:
6042 * @data: the UTF32 string (LPWSTR) to convert
6044 * Converts a UTF32 (UCS-4)to a MonoString.
6046 * Returns: a MonoString.
6049 mono_string_from_utf32 (mono_unichar4 *data)
6051 MONO_REQ_GC_UNSAFE_MODE;
6053 MonoString* result = NULL;
6054 mono_unichar2 *utf16_output = NULL;
6055 GError *error = NULL;
6056 glong items_written;
6062 while (data [len]) len++;
6064 utf16_output = g_ucs4_to_utf16 (data, len, NULL, &items_written, &error);
6067 g_error_free (error);
6069 result = mono_string_from_utf16 (utf16_output);
6070 g_free (utf16_output);
6075 mono_string_to_utf8_internal (MonoMemPool *mp, MonoImage *image, MonoString *s, gboolean ignore_error, MonoError *error)
6077 MONO_REQ_GC_UNSAFE_MODE;
6084 r = mono_string_to_utf8_ignore (s);
6086 r = mono_string_to_utf8_checked (s, error);
6087 if (!mono_error_ok (error))
6094 len = strlen (r) + 1;
6096 mp_s = (char *)mono_mempool_alloc (mp, len);
6098 mp_s = (char *)mono_image_alloc (image, len);
6100 memcpy (mp_s, r, len);
6108 * mono_string_to_utf8_image:
6109 * @s: a System.String
6111 * Same as mono_string_to_utf8, but allocate the string from the image mempool.
6114 mono_string_to_utf8_image (MonoImage *image, MonoString *s, MonoError *error)
6116 MONO_REQ_GC_UNSAFE_MODE;
6118 return mono_string_to_utf8_internal (NULL, image, s, FALSE, error);
6122 * mono_string_to_utf8_mp:
6123 * @s: a System.String
6125 * Same as mono_string_to_utf8, but allocate the string from a mempool.
6128 mono_string_to_utf8_mp (MonoMemPool *mp, MonoString *s, MonoError *error)
6130 MONO_REQ_GC_UNSAFE_MODE;
6132 return mono_string_to_utf8_internal (mp, NULL, s, FALSE, error);
6136 static MonoRuntimeExceptionHandlingCallbacks eh_callbacks;
6139 mono_install_eh_callbacks (MonoRuntimeExceptionHandlingCallbacks *cbs)
6141 eh_callbacks = *cbs;
6144 MonoRuntimeExceptionHandlingCallbacks *
6145 mono_get_eh_callbacks (void)
6147 return &eh_callbacks;
6151 * mono_raise_exception:
6152 * @ex: exception object
6154 * Signal the runtime that the exception @ex has been raised in unmanaged code.
6157 mono_raise_exception (MonoException *ex)
6159 MONO_REQ_GC_UNSAFE_MODE;
6162 * NOTE: Do NOT annotate this function with G_GNUC_NORETURN, since
6163 * that will cause gcc to omit the function epilog, causing problems when
6164 * the JIT tries to walk the stack, since the return address on the stack
6165 * will point into the next function in the executable, not this one.
6167 eh_callbacks.mono_raise_exception (ex);
6171 mono_raise_exception_with_context (MonoException *ex, MonoContext *ctx)
6173 MONO_REQ_GC_UNSAFE_MODE;
6175 eh_callbacks.mono_raise_exception_with_ctx (ex, ctx);
6179 * mono_wait_handle_new:
6180 * @domain: Domain where the object will be created
6181 * @handle: Handle for the wait handle
6183 * Returns: A new MonoWaitHandle created in the given domain for the given handle
6186 mono_wait_handle_new (MonoDomain *domain, HANDLE handle)
6188 MONO_REQ_GC_UNSAFE_MODE;
6190 MonoWaitHandle *res;
6191 gpointer params [1];
6192 static MonoMethod *handle_set;
6194 res = (MonoWaitHandle *)mono_object_new (domain, mono_defaults.manualresetevent_class);
6196 /* Even though this method is virtual, it's safe to invoke directly, since the object type matches. */
6198 handle_set = mono_class_get_property_from_name (mono_defaults.manualresetevent_class, "Handle")->set;
6200 params [0] = &handle;
6201 mono_runtime_invoke (handle_set, res, params, NULL);
6207 mono_wait_handle_get_handle (MonoWaitHandle *handle)
6209 MONO_REQ_GC_UNSAFE_MODE;
6211 static MonoClassField *f_os_handle;
6212 static MonoClassField *f_safe_handle;
6214 if (!f_os_handle && !f_safe_handle) {
6215 f_os_handle = mono_class_get_field_from_name (mono_defaults.manualresetevent_class, "os_handle");
6216 f_safe_handle = mono_class_get_field_from_name (mono_defaults.manualresetevent_class, "safe_wait_handle");
6221 mono_field_get_value ((MonoObject*)handle, f_os_handle, &retval);
6225 mono_field_get_value ((MonoObject*)handle, f_safe_handle, &sh);
6232 mono_runtime_capture_context (MonoDomain *domain)
6234 MONO_REQ_GC_UNSAFE_MODE;
6236 RuntimeInvokeFunction runtime_invoke;
6238 if (!domain->capture_context_runtime_invoke || !domain->capture_context_method) {
6239 MonoMethod *method = mono_get_context_capture_method ();
6240 MonoMethod *wrapper;
6243 wrapper = mono_marshal_get_runtime_invoke (method, FALSE);
6244 domain->capture_context_runtime_invoke = mono_compile_method (wrapper);
6245 domain->capture_context_method = mono_compile_method (method);
6248 runtime_invoke = (RuntimeInvokeFunction)domain->capture_context_runtime_invoke;
6250 return runtime_invoke (NULL, NULL, NULL, domain->capture_context_method);
6253 * mono_async_result_new:
6254 * @domain:domain where the object will be created.
6255 * @handle: wait handle.
6256 * @state: state to pass to AsyncResult
6257 * @data: C closure data.
6259 * Creates a new MonoAsyncResult (AsyncResult C# class) in the given domain.
6260 * If the handle is not null, the handle is initialized to a MonOWaitHandle.
6264 mono_async_result_new (MonoDomain *domain, HANDLE handle, MonoObject *state, gpointer data, MonoObject *object_data)
6266 MONO_REQ_GC_UNSAFE_MODE;
6268 MonoAsyncResult *res = (MonoAsyncResult *)mono_object_new (domain, mono_defaults.asyncresult_class);
6269 MonoObject *context = mono_runtime_capture_context (domain);
6270 /* we must capture the execution context from the original thread */
6272 MONO_OBJECT_SETREF (res, execution_context, context);
6273 /* note: result may be null if the flow is suppressed */
6276 res->data = (void **)data;
6277 MONO_OBJECT_SETREF (res, object_data, object_data);
6278 MONO_OBJECT_SETREF (res, async_state, state);
6280 MONO_OBJECT_SETREF (res, handle, (MonoObject *) mono_wait_handle_new (domain, handle));
6282 res->sync_completed = FALSE;
6283 res->completed = FALSE;
6289 ves_icall_System_Runtime_Remoting_Messaging_AsyncResult_Invoke (MonoAsyncResult *ares)
6291 MONO_REQ_GC_UNSAFE_MODE;
6297 g_assert (ares->async_delegate);
6299 ac = (MonoAsyncCall*) ares->object_data;
6301 res = mono_runtime_delegate_invoke (ares->async_delegate, (void**) &ares->async_state, NULL);
6303 gpointer wait_event = NULL;
6305 ac->msg->exc = NULL;
6306 res = mono_message_invoke (ares->async_delegate, ac->msg, &ac->msg->exc, &ac->out_args);
6307 MONO_OBJECT_SETREF (ac, res, res);
6309 mono_monitor_enter ((MonoObject*) ares);
6310 ares->completed = 1;
6312 wait_event = mono_wait_handle_get_handle ((MonoWaitHandle*) ares->handle);
6313 mono_monitor_exit ((MonoObject*) ares);
6315 if (wait_event != NULL)
6316 SetEvent (wait_event);
6318 if (ac->cb_method) {
6319 /* we swallow the excepton as it is the behavior on .NET */
6320 MonoObject *exc = NULL;
6321 mono_runtime_invoke (ac->cb_method, ac->cb_target, (gpointer*) &ares, &exc);
6323 mono_unhandled_exception (exc);
6331 mono_message_init (MonoDomain *domain,
6332 MonoMethodMessage *this_obj,
6333 MonoReflectionMethod *method,
6334 MonoArray *out_args)
6336 MONO_REQ_GC_UNSAFE_MODE;
6338 static MonoClass *object_array_klass;
6339 static MonoClass *byte_array_klass;
6340 static MonoClass *string_array_klass;
6342 MonoMethodSignature *sig = mono_method_signature (method->method);
6349 if (!object_array_klass) {
6352 klass = mono_array_class_get (mono_defaults.byte_class, 1);
6354 byte_array_klass = klass;
6356 klass = mono_array_class_get (mono_defaults.string_class, 1);
6358 string_array_klass = klass;
6360 klass = mono_array_class_get (mono_defaults.object_class, 1);
6363 mono_atomic_store_release (&object_array_klass, klass);
6366 MONO_OBJECT_SETREF (this_obj, method, method);
6368 arr = mono_array_new_specific_checked (mono_class_vtable (domain, object_array_klass), sig->param_count, &error);
6369 mono_error_raise_exception (&error); /* FIXME don't raise here */
6371 MONO_OBJECT_SETREF (this_obj, args, arr);
6373 arr = mono_array_new_specific_checked (mono_class_vtable (domain, byte_array_klass), sig->param_count, &error);
6374 mono_error_raise_exception (&error); /* FIXME don't raise here */
6376 MONO_OBJECT_SETREF (this_obj, arg_types, arr);
6378 this_obj->async_result = NULL;
6379 this_obj->call_type = CallType_Sync;
6381 names = g_new (char *, sig->param_count);
6382 mono_method_get_param_names (method->method, (const char **) names);
6384 arr = mono_array_new_specific_checked (mono_class_vtable (domain, string_array_klass), sig->param_count, &error);
6385 mono_error_raise_exception (&error); /* FIXME don't raise here */
6387 MONO_OBJECT_SETREF (this_obj, names, arr);
6389 for (i = 0; i < sig->param_count; i++) {
6390 name = mono_string_new (domain, names [i]);
6391 mono_array_setref (this_obj->names, i, name);
6395 for (i = 0, j = 0; i < sig->param_count; i++) {
6396 if (sig->params [i]->byref) {
6398 MonoObject* arg = (MonoObject *)mono_array_get (out_args, gpointer, j);
6399 mono_array_setref (this_obj->args, i, arg);
6403 if (!(sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT))
6407 if (sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT)
6410 mono_array_set (this_obj->arg_types, guint8, i, arg_type);
6414 #ifndef DISABLE_REMOTING
6416 * mono_remoting_invoke:
6417 * @real_proxy: pointer to a RealProxy object
6418 * @msg: The MonoMethodMessage to execute
6419 * @exc: used to store exceptions
6420 * @out_args: used to store output arguments
6422 * This is used to call RealProxy::Invoke(). RealProxy::Invoke() returns an
6423 * IMessage interface and it is not trivial to extract results from there. So
6424 * we call an helper method PrivateInvoke instead of calling
6425 * RealProxy::Invoke() directly.
6427 * Returns: the result object.
6430 mono_remoting_invoke (MonoObject *real_proxy, MonoMethodMessage *msg,
6431 MonoObject **exc, MonoArray **out_args)
6433 MONO_REQ_GC_UNSAFE_MODE;
6435 MonoMethod *im = real_proxy->vtable->domain->private_invoke_method;
6438 /*static MonoObject *(*invoke) (gpointer, gpointer, MonoObject **, MonoArray **) = NULL;*/
6441 im = mono_class_get_method_from_name (mono_defaults.real_proxy_class, "PrivateInvoke", 4);
6443 mono_raise_exception (mono_get_exception_not_supported ("Linked away."));
6444 real_proxy->vtable->domain->private_invoke_method = im;
6447 pa [0] = real_proxy;
6452 return mono_runtime_invoke (im, NULL, pa, exc);
6457 mono_message_invoke (MonoObject *target, MonoMethodMessage *msg,
6458 MonoObject **exc, MonoArray **out_args)
6460 MONO_REQ_GC_UNSAFE_MODE;
6462 static MonoClass *object_array_klass;
6466 MonoMethodSignature *sig;
6469 int i, j, outarg_count = 0;
6471 #ifndef DISABLE_REMOTING
6472 if (target && mono_object_is_transparent_proxy (target)) {
6473 MonoTransparentProxy* tp = (MonoTransparentProxy *)target;
6474 if (mono_class_is_contextbound (tp->remote_class->proxy_class) && tp->rp->context == (MonoObject *) mono_context_get ()) {
6475 target = tp->rp->unwrapped_server;
6477 return mono_remoting_invoke ((MonoObject *)tp->rp, msg, exc, out_args);
6482 domain = mono_domain_get ();
6483 method = msg->method->method;
6484 sig = mono_method_signature (method);
6486 for (i = 0; i < sig->param_count; i++) {
6487 if (sig->params [i]->byref)
6491 if (!object_array_klass) {
6494 klass = mono_array_class_get (mono_defaults.object_class, 1);
6497 mono_memory_barrier ();
6498 object_array_klass = klass;
6501 arr = mono_array_new_specific_checked (mono_class_vtable (domain, object_array_klass), outarg_count, &error);
6502 mono_error_raise_exception (&error); /* FIXME don't raise here */
6504 mono_gc_wbarrier_generic_store (out_args, (MonoObject*) arr);
6507 ret = mono_runtime_invoke_array (method, method->klass->valuetype? mono_object_unbox (target): target, msg->args, exc);
6509 for (i = 0, j = 0; i < sig->param_count; i++) {
6510 if (sig->params [i]->byref) {
6512 arg = (MonoObject *)mono_array_get (msg->args, gpointer, i);
6513 mono_array_setref (*out_args, j, arg);
6522 * mono_object_to_string:
6524 * @exc: Any exception thrown by ToString (). May be NULL.
6526 * Returns: the result of calling ToString () on an object.
6529 mono_object_to_string (MonoObject *obj, MonoObject **exc)
6531 MONO_REQ_GC_UNSAFE_MODE;
6533 static MonoMethod *to_string = NULL;
6540 to_string = mono_class_get_method_from_name_flags (mono_get_object_class (), "ToString", 0, METHOD_ATTRIBUTE_VIRTUAL | METHOD_ATTRIBUTE_PUBLIC);
6542 method = mono_object_get_virtual_method (obj, to_string);
6544 // Unbox value type if needed
6545 if (mono_class_is_valuetype (mono_method_get_class (method))) {
6546 target = mono_object_unbox (obj);
6549 return (MonoString *) mono_runtime_invoke (method, target, NULL, exc);
6553 * mono_print_unhandled_exception:
6554 * @exc: The exception
6556 * Prints the unhandled exception.
6559 mono_print_unhandled_exception (MonoObject *exc)
6561 MONO_REQ_GC_UNSAFE_MODE;
6564 char *message = (char*)"";
6565 gboolean free_message = FALSE;
6568 if (exc == (MonoObject*)mono_object_domain (exc)->out_of_memory_ex) {
6569 message = g_strdup ("OutOfMemoryException");
6570 free_message = TRUE;
6571 } else if (exc == (MonoObject*)mono_object_domain (exc)->stack_overflow_ex) {
6572 message = g_strdup ("StackOverflowException"); //if we OVF, we can't expect to have stack space to JIT Exception::ToString.
6573 free_message = TRUE;
6576 if (((MonoException*)exc)->native_trace_ips) {
6577 message = mono_exception_get_native_backtrace ((MonoException*)exc);
6578 free_message = TRUE;
6580 MonoObject *other_exc = NULL;
6581 str = mono_object_to_string (exc, &other_exc);
6583 char *original_backtrace = mono_exception_get_managed_backtrace ((MonoException*)exc);
6584 char *nested_backtrace = mono_exception_get_managed_backtrace ((MonoException*)other_exc);
6586 message = g_strdup_printf ("Nested exception detected.\nOriginal Exception: %s\nNested exception:%s\n",
6587 original_backtrace, nested_backtrace);
6589 g_free (original_backtrace);
6590 g_free (nested_backtrace);
6591 free_message = TRUE;
6593 message = mono_string_to_utf8_checked (str, &error);
6594 if (!mono_error_ok (&error)) {
6595 mono_error_cleanup (&error);
6596 message = (char *) "";
6598 free_message = TRUE;
6605 * g_printerr ("\nUnhandled Exception: %s.%s: %s\n", exc->vtable->klass->name_space,
6606 * exc->vtable->klass->name, message);
6608 g_printerr ("\nUnhandled Exception:\n%s\n", message);
6615 * mono_delegate_ctor:
6616 * @this: pointer to an uninitialized delegate object
6617 * @target: target object
6618 * @addr: pointer to native code
6621 * Initialize a delegate and sets a specific method, not the one
6622 * associated with addr. This is useful when sharing generic code.
6623 * In that case addr will most probably not be associated with the
6624 * correct instantiation of the method.
6627 mono_delegate_ctor_with_method (MonoObject *this_obj, MonoObject *target, gpointer addr, MonoMethod *method)
6629 MONO_REQ_GC_UNSAFE_MODE;
6631 MonoDelegate *delegate = (MonoDelegate *)this_obj;
6633 g_assert (this_obj);
6636 g_assert (mono_class_has_parent (mono_object_class (this_obj), mono_defaults.multicastdelegate_class));
6639 delegate->method = method;
6641 mono_stats.delegate_creations++;
6643 #ifndef DISABLE_REMOTING
6644 if (target && target->vtable->klass == mono_defaults.transparent_proxy_class) {
6646 method = mono_marshal_get_remoting_invoke (method);
6647 delegate->method_ptr = mono_compile_method (method);
6648 MONO_OBJECT_SETREF (delegate, target, target);
6652 delegate->method_ptr = addr;
6653 MONO_OBJECT_SETREF (delegate, target, target);
6656 delegate->invoke_impl = arch_create_delegate_trampoline (delegate->object.vtable->domain, delegate->object.vtable->klass);
6657 if (callbacks.init_delegate)
6658 callbacks.init_delegate (delegate);
6662 * mono_delegate_ctor:
6663 * @this: pointer to an uninitialized delegate object
6664 * @target: target object
6665 * @addr: pointer to native code
6667 * This is used to initialize a delegate.
6670 mono_delegate_ctor (MonoObject *this_obj, MonoObject *target, gpointer addr)
6672 MONO_REQ_GC_UNSAFE_MODE;
6674 MonoDomain *domain = mono_domain_get ();
6676 MonoMethod *method = NULL;
6680 ji = mono_jit_info_table_find (domain, (char *)mono_get_addr_from_ftnptr (addr));
6682 if (!ji && domain != mono_get_root_domain ())
6683 ji = mono_jit_info_table_find (mono_get_root_domain (), (char *)mono_get_addr_from_ftnptr (addr));
6685 method = mono_jit_info_get_method (ji);
6686 g_assert (!method->klass->generic_container);
6689 mono_delegate_ctor_with_method (this_obj, target, addr, method);
6693 * mono_method_call_message_new:
6694 * @method: method to encapsulate
6695 * @params: parameters to the method
6696 * @invoke: optional, delegate invoke.
6697 * @cb: async callback delegate.
6698 * @state: state passed to the async callback.
6700 * Translates arguments pointers into a MonoMethodMessage.
6703 mono_method_call_message_new (MonoMethod *method, gpointer *params, MonoMethod *invoke,
6704 MonoDelegate **cb, MonoObject **state)
6706 MONO_REQ_GC_UNSAFE_MODE;
6708 MonoDomain *domain = mono_domain_get ();
6709 MonoMethodSignature *sig = mono_method_signature (method);
6710 MonoMethodMessage *msg;
6713 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
6716 mono_message_init (domain, msg, mono_method_get_object (domain, invoke, NULL), NULL);
6717 count = sig->param_count - 2;
6719 mono_message_init (domain, msg, mono_method_get_object (domain, method, NULL), NULL);
6720 count = sig->param_count;
6723 for (i = 0; i < count; i++) {
6728 if (sig->params [i]->byref)
6729 vpos = *((gpointer *)params [i]);
6733 klass = mono_class_from_mono_type (sig->params [i]);
6735 if (klass->valuetype)
6736 arg = mono_value_box (domain, klass, vpos);
6738 arg = *((MonoObject **)vpos);
6740 mono_array_setref (msg->args, i, arg);
6743 if (cb != NULL && state != NULL) {
6744 *cb = *((MonoDelegate **)params [i]);
6746 *state = *((MonoObject **)params [i]);
6753 * mono_method_return_message_restore:
6755 * Restore results from message based processing back to arguments pointers
6758 mono_method_return_message_restore (MonoMethod *method, gpointer *params, MonoArray *out_args)
6760 MONO_REQ_GC_UNSAFE_MODE;
6762 MonoMethodSignature *sig = mono_method_signature (method);
6763 int i, j, type, size, out_len;
6765 if (out_args == NULL)
6767 out_len = mono_array_length (out_args);
6771 for (i = 0, j = 0; i < sig->param_count; i++) {
6772 MonoType *pt = sig->params [i];
6777 mono_raise_exception (mono_get_exception_execution_engine ("The proxy call returned an incorrect number of output arguments"));
6779 arg = (char *)mono_array_get (out_args, gpointer, j);
6782 g_assert (type != MONO_TYPE_VOID);
6784 if (MONO_TYPE_IS_REFERENCE (pt)) {
6785 mono_gc_wbarrier_generic_store (*((MonoObject ***)params [i]), (MonoObject *)arg);
6788 MonoClass *klass = ((MonoObject*)arg)->vtable->klass;
6789 size = mono_class_value_size (klass, NULL);
6790 if (klass->has_references)
6791 mono_gc_wbarrier_value_copy (*((gpointer *)params [i]), arg + sizeof (MonoObject), 1, klass);
6793 mono_gc_memmove_atomic (*((gpointer *)params [i]), arg + sizeof (MonoObject), size);
6795 size = mono_class_value_size (mono_class_from_mono_type (pt), NULL);
6796 mono_gc_bzero_atomic (*((gpointer *)params [i]), size);
6805 #ifndef DISABLE_REMOTING
6808 * mono_load_remote_field:
6809 * @this: pointer to an object
6810 * @klass: klass of the object containing @field
6811 * @field: the field to load
6812 * @res: a storage to store the result
6814 * This method is called by the runtime on attempts to load fields of
6815 * transparent proxy objects. @this points to such TP, @klass is the class of
6816 * the object containing @field. @res is a storage location which can be
6817 * used to store the result.
6819 * Returns: an address pointing to the value of field.
6822 mono_load_remote_field (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, gpointer *res)
6824 MONO_REQ_GC_UNSAFE_MODE;
6826 static MonoMethod *getter = NULL;
6827 MonoDomain *domain = mono_domain_get ();
6828 MonoTransparentProxy *tp = (MonoTransparentProxy *) this_obj;
6829 MonoClass *field_class;
6830 MonoMethodMessage *msg;
6831 MonoArray *out_args;
6835 g_assert (mono_object_is_transparent_proxy (this_obj));
6836 g_assert (res != NULL);
6838 if (mono_class_is_contextbound (tp->remote_class->proxy_class) && tp->rp->context == (MonoObject *) mono_context_get ()) {
6839 mono_field_get_value (tp->rp->unwrapped_server, field, res);
6844 getter = mono_class_get_method_from_name (mono_defaults.object_class, "FieldGetter", -1);
6846 mono_raise_exception (mono_get_exception_not_supported ("Linked away."));
6849 field_class = mono_class_from_mono_type (field->type);
6851 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
6852 out_args = mono_array_new (domain, mono_defaults.object_class, 1);
6853 mono_message_init (domain, msg, mono_method_get_object (domain, getter, NULL), out_args);
6855 full_name = mono_type_get_full_name (klass);
6856 mono_array_setref (msg->args, 0, mono_string_new (domain, full_name));
6857 mono_array_setref (msg->args, 1, mono_string_new (domain, mono_field_get_name (field)));
6860 mono_remoting_invoke ((MonoObject *)(tp->rp), msg, &exc, &out_args);
6862 if (exc) mono_raise_exception ((MonoException *)exc);
6864 if (mono_array_length (out_args) == 0)
6867 *res = mono_array_get (out_args, MonoObject *, 0); /* FIXME: GC write abrrier for res */
6869 if (field_class->valuetype) {
6870 return ((char *)*res) + sizeof (MonoObject);
6876 * mono_load_remote_field_new:
6881 * Missing documentation.
6884 mono_load_remote_field_new (MonoObject *this_obj, MonoClass *klass, MonoClassField *field)
6886 MONO_REQ_GC_UNSAFE_MODE;
6888 static MonoMethod *getter = NULL;
6889 MonoDomain *domain = mono_domain_get ();
6890 MonoTransparentProxy *tp = (MonoTransparentProxy *) this_obj;
6891 MonoClass *field_class;
6892 MonoMethodMessage *msg;
6893 MonoArray *out_args;
6894 MonoObject *exc, *res;
6897 g_assert (mono_object_is_transparent_proxy (this_obj));
6899 field_class = mono_class_from_mono_type (field->type);
6901 if (mono_class_is_contextbound (tp->remote_class->proxy_class) && tp->rp->context == (MonoObject *) mono_context_get ()) {
6903 if (field_class->valuetype) {
6904 res = mono_object_new (domain, field_class);
6905 val = ((gchar *) res) + sizeof (MonoObject);
6909 mono_field_get_value (tp->rp->unwrapped_server, field, val);
6914 getter = mono_class_get_method_from_name (mono_defaults.object_class, "FieldGetter", -1);
6916 mono_raise_exception (mono_get_exception_not_supported ("Linked away."));
6919 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
6920 out_args = mono_array_new (domain, mono_defaults.object_class, 1);
6922 mono_message_init (domain, msg, mono_method_get_object (domain, getter, NULL), out_args);
6924 full_name = mono_type_get_full_name (klass);
6925 mono_array_setref (msg->args, 0, mono_string_new (domain, full_name));
6926 mono_array_setref (msg->args, 1, mono_string_new (domain, mono_field_get_name (field)));
6929 mono_remoting_invoke ((MonoObject *)(tp->rp), msg, &exc, &out_args);
6931 if (exc) mono_raise_exception ((MonoException *)exc);
6933 if (mono_array_length (out_args) == 0)
6936 res = mono_array_get (out_args, MonoObject *, 0);
6942 * mono_store_remote_field:
6943 * @this_obj: pointer to an object
6944 * @klass: klass of the object containing @field
6945 * @field: the field to load
6946 * @val: the value/object to store
6948 * This method is called by the runtime on attempts to store fields of
6949 * transparent proxy objects. @this_obj points to such TP, @klass is the class of
6950 * the object containing @field. @val is the new value to store in @field.
6953 mono_store_remote_field (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, gpointer val)
6955 MONO_REQ_GC_UNSAFE_MODE;
6957 static MonoMethod *setter = NULL;
6958 MonoDomain *domain = mono_domain_get ();
6959 MonoTransparentProxy *tp = (MonoTransparentProxy *) this_obj;
6960 MonoClass *field_class;
6961 MonoMethodMessage *msg;
6962 MonoArray *out_args;
6967 g_assert (mono_object_is_transparent_proxy (this_obj));
6969 field_class = mono_class_from_mono_type (field->type);
6971 if (mono_class_is_contextbound (tp->remote_class->proxy_class) && tp->rp->context == (MonoObject *) mono_context_get ()) {
6972 if (field_class->valuetype) mono_field_set_value (tp->rp->unwrapped_server, field, val);
6973 else mono_field_set_value (tp->rp->unwrapped_server, field, *((MonoObject **)val));
6978 setter = mono_class_get_method_from_name (mono_defaults.object_class, "FieldSetter", -1);
6980 mono_raise_exception (mono_get_exception_not_supported ("Linked away."));
6983 if (field_class->valuetype)
6984 arg = mono_value_box (domain, field_class, val);
6986 arg = *((MonoObject **)val);
6989 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
6990 mono_message_init (domain, msg, mono_method_get_object (domain, setter, NULL), NULL);
6992 full_name = mono_type_get_full_name (klass);
6993 mono_array_setref (msg->args, 0, mono_string_new (domain, full_name));
6994 mono_array_setref (msg->args, 1, mono_string_new (domain, mono_field_get_name (field)));
6995 mono_array_setref (msg->args, 2, arg);
6998 mono_remoting_invoke ((MonoObject *)(tp->rp), msg, &exc, &out_args);
7000 if (exc) mono_raise_exception ((MonoException *)exc);
7004 * mono_store_remote_field_new:
7010 * Missing documentation
7013 mono_store_remote_field_new (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, MonoObject *arg)
7015 MONO_REQ_GC_UNSAFE_MODE;
7017 static MonoMethod *setter = NULL;
7018 MonoDomain *domain = mono_domain_get ();
7019 MonoTransparentProxy *tp = (MonoTransparentProxy *) this_obj;
7020 MonoClass *field_class;
7021 MonoMethodMessage *msg;
7022 MonoArray *out_args;
7026 g_assert (mono_object_is_transparent_proxy (this_obj));
7028 field_class = mono_class_from_mono_type (field->type);
7030 if (mono_class_is_contextbound (tp->remote_class->proxy_class) && tp->rp->context == (MonoObject *) mono_context_get ()) {
7031 if (field_class->valuetype) mono_field_set_value (tp->rp->unwrapped_server, field, ((gchar *) arg) + sizeof (MonoObject));
7032 else mono_field_set_value (tp->rp->unwrapped_server, field, arg);
7037 setter = mono_class_get_method_from_name (mono_defaults.object_class, "FieldSetter", -1);
7039 mono_raise_exception (mono_get_exception_not_supported ("Linked away."));
7042 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
7043 mono_message_init (domain, msg, mono_method_get_object (domain, setter, NULL), NULL);
7045 full_name = mono_type_get_full_name (klass);
7046 mono_array_setref (msg->args, 0, mono_string_new (domain, full_name));
7047 mono_array_setref (msg->args, 1, mono_string_new (domain, mono_field_get_name (field)));
7048 mono_array_setref (msg->args, 2, arg);
7051 mono_remoting_invoke ((MonoObject *)(tp->rp), msg, &exc, &out_args);
7053 if (exc) mono_raise_exception ((MonoException *)exc);
7058 * mono_create_ftnptr:
7060 * Given a function address, create a function descriptor for it.
7061 * This is only needed on some platforms.
7064 mono_create_ftnptr (MonoDomain *domain, gpointer addr)
7066 return callbacks.create_ftnptr (domain, addr);
7070 * mono_get_addr_from_ftnptr:
7072 * Given a pointer to a function descriptor, return the function address.
7073 * This is only needed on some platforms.
7076 mono_get_addr_from_ftnptr (gpointer descr)
7078 return callbacks.get_addr_from_ftnptr (descr);
7082 * mono_string_chars:
7085 * Returns a pointer to the UCS16 characters stored in the MonoString
7088 mono_string_chars (MonoString *s)
7090 // MONO_REQ_GC_UNSAFE_MODE; //FIXME too much trouble for now
7096 * mono_string_length:
7099 * Returns the lenght in characters of the string
7102 mono_string_length (MonoString *s)
7104 MONO_REQ_GC_UNSAFE_MODE;
7110 * mono_array_length:
7111 * @array: a MonoArray*
7113 * Returns the total number of elements in the array. This works for
7114 * both vectors and multidimensional arrays.
7117 mono_array_length (MonoArray *array)
7119 MONO_REQ_GC_UNSAFE_MODE;
7121 return array->max_length;
7125 * mono_array_addr_with_size:
7126 * @array: a MonoArray*
7127 * @size: size of the array elements
7128 * @idx: index into the array
7130 * Returns the address of the @idx element in the array.
7133 mono_array_addr_with_size (MonoArray *array, int size, uintptr_t idx)
7135 MONO_REQ_GC_UNSAFE_MODE;
7137 return ((char*)(array)->vector) + size * idx;
7142 mono_glist_to_array (GList *list, MonoClass *eclass)
7144 MonoDomain *domain = mono_domain_get ();
7151 len = g_list_length (list);
7152 res = mono_array_new (domain, eclass, len);
7154 for (i = 0; list; list = list->next, i++)
7155 mono_array_set (res, gpointer, i, list->data);