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)
11 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
20 #include <mono/metadata/mono-endian.h>
21 #include <mono/metadata/tabledefs.h>
22 #include <mono/metadata/tokentype.h>
23 #include <mono/metadata/loader.h>
24 #include <mono/metadata/object.h>
25 #include <mono/metadata/gc-internals.h>
26 #include <mono/metadata/exception.h>
27 #include <mono/metadata/exception-internals.h>
28 #include <mono/metadata/domain-internals.h>
29 #include "mono/metadata/metadata-internals.h"
30 #include "mono/metadata/class-internals.h"
31 #include <mono/metadata/assembly.h>
32 #include <mono/metadata/marshal.h>
33 #include "mono/metadata/debug-helpers.h"
34 #include "mono/metadata/marshal.h"
35 #include <mono/metadata/threads.h>
36 #include <mono/metadata/threads-types.h>
37 #include <mono/metadata/environment.h>
38 #include "mono/metadata/profiler-private.h"
39 #include "mono/metadata/security-manager.h"
40 #include "mono/metadata/mono-debug-debugger.h"
41 #include <mono/metadata/gc-internals.h>
42 #include <mono/metadata/verify-internals.h>
43 #include <mono/metadata/reflection-internals.h>
44 #include <mono/utils/strenc.h>
45 #include <mono/utils/mono-counters.h>
46 #include <mono/utils/mono-error-internals.h>
47 #include <mono/utils/mono-memory-model.h>
48 #include <mono/utils/checked-build.h>
49 #include <mono/utils/mono-threads.h>
50 #include "cominterop.h"
53 get_default_field_value (MonoDomain* domain, MonoClassField *field, void *value, MonoError *error);
56 mono_ldstr_metadata_sig (MonoDomain *domain, const char* sig, MonoError *error);
59 free_main_args (void);
62 mono_string_to_utf8_internal (MonoMemPool *mp, MonoImage *image, MonoString *s, gboolean ignore_error, MonoError *error);
64 /* Class lazy loading functions */
65 static GENERATE_GET_CLASS_WITH_CACHE (pointer, System.Reflection, Pointer)
66 static GENERATE_GET_CLASS_WITH_CACHE (remoting_services, System.Runtime.Remoting, RemotingServices)
67 static GENERATE_GET_CLASS_WITH_CACHE (unhandled_exception_event_args, System, UnhandledExceptionEventArgs)
68 static GENERATE_GET_CLASS_WITH_CACHE (sta_thread_attribute, System, STAThreadAttribute)
69 static GENERATE_GET_CLASS_WITH_CACHE (activation_services, System.Runtime.Remoting.Activation, ActivationServices)
72 #define ldstr_lock() mono_os_mutex_lock (&ldstr_section)
73 #define ldstr_unlock() mono_os_mutex_unlock (&ldstr_section)
74 static mono_mutex_t ldstr_section;
77 * mono_runtime_object_init:
78 * @this_obj: the object to initialize
80 * This function calls the zero-argument constructor (which must
81 * exist) for the given object.
84 mono_runtime_object_init (MonoObject *this_obj)
87 mono_runtime_object_init_checked (this_obj, &error);
88 mono_error_assert_ok (&error);
92 * mono_runtime_object_init_checked:
93 * @this_obj: the object to initialize
94 * @error: set on error.
96 * This function calls the zero-argument constructor (which must
97 * exist) for the given object and returns TRUE on success, or FALSE
98 * on error and sets @error.
101 mono_runtime_object_init_checked (MonoObject *this_obj, MonoError *error)
103 MONO_REQ_GC_UNSAFE_MODE;
105 MonoMethod *method = NULL;
106 MonoClass *klass = this_obj->vtable->klass;
108 mono_error_init (error);
109 method = mono_class_get_method_from_name (klass, ".ctor", 0);
111 g_error ("Could not lookup zero argument constructor for class %s", mono_type_get_full_name (klass));
113 if (method->klass->valuetype)
114 this_obj = (MonoObject *)mono_object_unbox (this_obj);
116 mono_runtime_invoke_checked (method, this_obj, NULL, error);
117 return is_ok (error);
120 /* The pseudo algorithm for type initialization from the spec
121 Note it doesn't say anything about domains - only threads.
123 2. If the type is initialized you are done.
124 2.1. If the type is not yet initialized, try to take an
126 2.2. If successful, record this thread as responsible for
127 initializing the type and proceed to step 2.3.
128 2.2.1. If not, see whether this thread or any thread
129 waiting for this thread to complete already holds the lock.
130 2.2.2. If so, return since blocking would create a deadlock. This thread
131 will now see an incompletely initialized state for the type,
132 but no deadlock will arise.
133 2.2.3 If not, block until the type is initialized then return.
134 2.3 Initialize the parent type and then all interfaces implemented
136 2.4 Execute the type initialization code for this type.
137 2.5 Mark the type as initialized, release the initialization lock,
138 awaken any threads waiting for this type to be initialized,
145 MonoNativeThreadId initializing_tid;
146 guint32 waiting_count;
148 MonoCoopMutex initialization_section;
149 } TypeInitializationLock;
151 /* for locking access to type_initialization_hash and blocked_thread_hash */
152 static MonoCoopMutex type_initialization_section;
155 mono_type_initialization_lock (void)
157 /* The critical sections protected by this lock in mono_runtime_class_init_full () can block */
158 mono_coop_mutex_lock (&type_initialization_section);
162 mono_type_initialization_unlock (void)
164 mono_coop_mutex_unlock (&type_initialization_section);
168 mono_type_init_lock (TypeInitializationLock *lock)
170 MONO_REQ_GC_NEUTRAL_MODE;
172 mono_coop_mutex_lock (&lock->initialization_section);
176 mono_type_init_unlock (TypeInitializationLock *lock)
178 mono_coop_mutex_unlock (&lock->initialization_section);
181 /* from vtable to lock */
182 static GHashTable *type_initialization_hash;
184 /* from thread id to thread id being waited on */
185 static GHashTable *blocked_thread_hash;
188 static MonoThread *main_thread;
190 /* Functions supplied by the runtime */
191 static MonoRuntimeCallbacks callbacks;
194 * mono_thread_set_main:
195 * @thread: thread to set as the main thread
197 * This function can be used to instruct the runtime to treat @thread
198 * as the main thread, ie, the thread that would normally execute the Main()
199 * method. This basically means that at the end of @thread, the runtime will
200 * wait for the existing foreground threads to quit and other such details.
203 mono_thread_set_main (MonoThread *thread)
205 MONO_REQ_GC_UNSAFE_MODE;
207 static gboolean registered = FALSE;
210 MONO_GC_REGISTER_ROOT_SINGLE (main_thread, MONO_ROOT_SOURCE_THREADING, "main thread object");
214 main_thread = thread;
218 mono_thread_get_main (void)
220 MONO_REQ_GC_UNSAFE_MODE;
226 mono_type_initialization_init (void)
228 mono_coop_mutex_init_recursive (&type_initialization_section);
229 type_initialization_hash = g_hash_table_new (NULL, NULL);
230 blocked_thread_hash = g_hash_table_new (NULL, NULL);
231 mono_os_mutex_init_recursive (&ldstr_section);
235 mono_type_initialization_cleanup (void)
238 /* This is causing race conditions with
239 * mono_release_type_locks
241 mono_coop_mutex_destroy (&type_initialization_section);
242 g_hash_table_destroy (type_initialization_hash);
243 type_initialization_hash = NULL;
245 mono_os_mutex_destroy (&ldstr_section);
246 g_hash_table_destroy (blocked_thread_hash);
247 blocked_thread_hash = NULL;
253 * get_type_init_exception_for_vtable:
255 * Return the stored type initialization exception for VTABLE.
257 static MonoException*
258 get_type_init_exception_for_vtable (MonoVTable *vtable)
260 MONO_REQ_GC_UNSAFE_MODE;
263 MonoDomain *domain = vtable->domain;
264 MonoClass *klass = vtable->klass;
268 if (!vtable->init_failed)
269 g_error ("Trying to get the init exception for a non-failed vtable of class %s", mono_type_get_full_name (klass));
272 * If the initializing thread was rudely aborted, the exception is not stored
276 mono_domain_lock (domain);
277 if (domain->type_init_exception_hash)
278 ex = (MonoException *)mono_g_hash_table_lookup (domain->type_init_exception_hash, klass);
279 mono_domain_unlock (domain);
282 if (klass->name_space && *klass->name_space)
283 full_name = g_strdup_printf ("%s.%s", klass->name_space, klass->name);
285 full_name = g_strdup (klass->name);
286 ex = mono_get_exception_type_initialization_checked (full_name, NULL, &error);
288 return_val_if_nok (&error, NULL);
295 * mono_runtime_class_init:
296 * @vtable: vtable that needs to be initialized
298 * This routine calls the class constructor for @vtable.
301 mono_runtime_class_init (MonoVTable *vtable)
303 MONO_REQ_GC_UNSAFE_MODE;
306 mono_runtime_class_init_full (vtable, &error);
307 mono_error_assert_ok (&error);
311 * mono_runtime_class_init_full:
312 * @vtable that neeeds to be initialized
313 * @error set on error
315 * returns TRUE if class constructor .cctor has been initialized successfully, or FALSE otherwise and sets @error.
319 mono_runtime_class_init_full (MonoVTable *vtable, MonoError *error)
321 MONO_REQ_GC_UNSAFE_MODE;
323 MonoMethod *method = NULL;
326 MonoDomain *domain = vtable->domain;
327 TypeInitializationLock *lock;
328 MonoNativeThreadId tid;
329 int do_initialization = 0;
330 MonoDomain *last_domain = NULL;
332 mono_error_init (error);
334 if (vtable->initialized)
337 klass = vtable->klass;
339 if (!klass->image->checked_module_cctor) {
340 mono_image_check_for_module_cctor (klass->image);
341 if (klass->image->has_module_cctor) {
342 MonoClass *module_klass;
343 MonoVTable *module_vtable;
345 module_klass = mono_class_get_checked (klass->image, MONO_TOKEN_TYPE_DEF | 1, error);
350 module_vtable = mono_class_vtable_full (vtable->domain, module_klass, error);
353 if (!mono_runtime_class_init_full (module_vtable, error))
357 method = mono_class_get_cctor (klass);
359 vtable->initialized = 1;
363 tid = mono_native_thread_id_get ();
365 mono_type_initialization_lock ();
366 /* double check... */
367 if (vtable->initialized) {
368 mono_type_initialization_unlock ();
371 if (vtable->init_failed) {
372 mono_type_initialization_unlock ();
374 /* The type initialization already failed once, rethrow the same exception */
375 mono_error_set_exception_instance (error, get_type_init_exception_for_vtable (vtable));
378 lock = (TypeInitializationLock *)g_hash_table_lookup (type_initialization_hash, vtable);
380 /* This thread will get to do the initialization */
381 if (mono_domain_get () != domain) {
382 /* Transfer into the target domain */
383 last_domain = mono_domain_get ();
384 if (!mono_domain_set (domain, FALSE)) {
385 vtable->initialized = 1;
386 mono_type_initialization_unlock ();
387 mono_error_set_exception_instance (error, mono_get_exception_appdomain_unloaded ());
391 lock = (TypeInitializationLock *)g_malloc (sizeof (TypeInitializationLock));
392 mono_coop_mutex_init_recursive (&lock->initialization_section);
393 lock->initializing_tid = tid;
394 lock->waiting_count = 1;
396 /* grab the vtable lock while this thread still owns type_initialization_section */
397 /* This is why type_initialization_lock needs to enter blocking mode */
398 mono_type_init_lock (lock);
399 g_hash_table_insert (type_initialization_hash, vtable, lock);
400 do_initialization = 1;
403 TypeInitializationLock *pending_lock;
405 if (mono_native_thread_id_equals (lock->initializing_tid, tid) || lock->done) {
406 mono_type_initialization_unlock ();
409 /* see if the thread doing the initialization is already blocked on this thread */
410 blocked = GUINT_TO_POINTER (MONO_NATIVE_THREAD_ID_TO_UINT (lock->initializing_tid));
411 while ((pending_lock = (TypeInitializationLock*) g_hash_table_lookup (blocked_thread_hash, blocked))) {
412 if (mono_native_thread_id_equals (pending_lock->initializing_tid, tid)) {
413 if (!pending_lock->done) {
414 mono_type_initialization_unlock ();
417 /* the thread doing the initialization is blocked on this thread,
418 but on a lock that has already been freed. It just hasn't got
423 blocked = GUINT_TO_POINTER (MONO_NATIVE_THREAD_ID_TO_UINT (pending_lock->initializing_tid));
425 ++lock->waiting_count;
426 /* record the fact that we are waiting on the initializing thread */
427 g_hash_table_insert (blocked_thread_hash, GUINT_TO_POINTER (tid), lock);
429 mono_type_initialization_unlock ();
431 if (do_initialization) {
432 MonoException *exc = NULL;
433 mono_runtime_try_invoke (method, NULL, NULL, (MonoObject**) &exc, error);
434 if (exc != NULL && mono_error_ok (error)) {
435 mono_error_set_exception_instance (error, exc);
438 /* If the initialization failed, mark the class as unusable. */
439 /* Avoid infinite loops */
440 if (!(mono_error_ok(error) ||
441 (klass->image == mono_defaults.corlib &&
442 !strcmp (klass->name_space, "System") &&
443 !strcmp (klass->name, "TypeInitializationException")))) {
444 vtable->init_failed = 1;
446 if (klass->name_space && *klass->name_space)
447 full_name = g_strdup_printf ("%s.%s", klass->name_space, klass->name);
449 full_name = g_strdup (klass->name);
451 MonoException *exc_to_throw = mono_get_exception_type_initialization_checked (full_name, exc, error);
453 return_val_if_nok (error, FALSE);
455 mono_error_set_exception_instance (error, exc_to_throw);
457 MonoException *exc_to_store = mono_error_convert_to_exception (error);
458 /* What we really want to do here is clone the error object and store one copy in the
459 * domain's exception hash and use the other one to error out here. */
460 mono_error_set_exception_instance (error, exc_to_store);
462 * Store the exception object so it could be thrown on subsequent
465 mono_domain_lock (domain);
466 if (!domain->type_init_exception_hash)
467 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");
468 mono_g_hash_table_insert (domain->type_init_exception_hash, klass, exc_to_store);
469 mono_domain_unlock (domain);
473 mono_domain_set (last_domain, TRUE);
475 mono_type_init_unlock (lock);
477 /* this just blocks until the initializing thread is done */
478 mono_type_init_lock (lock);
479 mono_type_init_unlock (lock);
482 mono_type_initialization_lock ();
483 if (!mono_native_thread_id_equals (lock->initializing_tid, tid))
484 g_hash_table_remove (blocked_thread_hash, GUINT_TO_POINTER (tid));
485 --lock->waiting_count;
486 if (lock->waiting_count == 0) {
487 mono_coop_mutex_destroy (&lock->initialization_section);
488 g_hash_table_remove (type_initialization_hash, vtable);
491 mono_memory_barrier ();
492 if (!vtable->init_failed)
493 vtable->initialized = 1;
494 mono_type_initialization_unlock ();
496 if (vtable->init_failed) {
497 /* Either we were the initializing thread or we waited for the initialization */
498 mono_error_set_exception_instance (error, get_type_init_exception_for_vtable (vtable));
505 gboolean release_type_locks (gpointer key, gpointer value, gpointer user)
507 MONO_REQ_GC_NEUTRAL_MODE;
509 MonoVTable *vtable = (MonoVTable*)key;
511 TypeInitializationLock *lock = (TypeInitializationLock*) value;
512 if (mono_native_thread_id_equals (lock->initializing_tid, MONO_UINT_TO_NATIVE_THREAD_ID (GPOINTER_TO_UINT (user))) && !lock->done) {
515 * Have to set this since it cannot be set by the normal code in
516 * mono_runtime_class_init (). In this case, the exception object is not stored,
517 * and get_type_init_exception_for_class () needs to be aware of this.
519 vtable->init_failed = 1;
520 mono_type_init_unlock (lock);
521 --lock->waiting_count;
522 if (lock->waiting_count == 0) {
523 mono_coop_mutex_destroy (&lock->initialization_section);
532 mono_release_type_locks (MonoInternalThread *thread)
534 MONO_REQ_GC_UNSAFE_MODE;
536 mono_type_initialization_lock ();
537 g_hash_table_foreach_remove (type_initialization_hash, release_type_locks, GUINT_TO_POINTER (thread->tid));
538 mono_type_initialization_unlock ();
541 #ifndef DISABLE_REMOTING
544 default_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
546 g_error ("remoting not installed");
550 static MonoRemotingTrampoline arch_create_remoting_trampoline = default_remoting_trampoline;
554 default_delegate_trampoline (MonoDomain *domain, MonoClass *klass)
556 g_assert_not_reached ();
560 static MonoDelegateTrampoline arch_create_delegate_trampoline = default_delegate_trampoline;
561 static MonoImtThunkBuilder imt_thunk_builder;
562 static gboolean always_build_imt_thunks;
564 #if (MONO_IMT_SIZE > 32)
565 #error "MONO_IMT_SIZE cannot be larger than 32"
569 mono_install_callbacks (MonoRuntimeCallbacks *cbs)
571 memcpy (&callbacks, cbs, sizeof (*cbs));
574 MonoRuntimeCallbacks*
575 mono_get_runtime_callbacks (void)
580 #ifndef DISABLE_REMOTING
582 mono_install_remoting_trampoline (MonoRemotingTrampoline func)
584 arch_create_remoting_trampoline = func? func: default_remoting_trampoline;
589 mono_install_delegate_trampoline (MonoDelegateTrampoline func)
591 arch_create_delegate_trampoline = func? func: default_delegate_trampoline;
595 mono_install_imt_thunk_builder (MonoImtThunkBuilder func) {
596 imt_thunk_builder = func;
600 mono_set_always_build_imt_thunks (gboolean value)
602 always_build_imt_thunks = value;
606 * mono_compile_method:
607 * @method: The method to compile.
609 * This JIT-compiles the method, and returns the pointer to the native code
613 mono_compile_method (MonoMethod *method)
618 MONO_REQ_GC_NEUTRAL_MODE
620 if (!callbacks.compile_method) {
621 g_error ("compile method called on uninitialized runtime");
624 res = callbacks.compile_method (method, &error);
625 if (!mono_error_ok (&error))
626 mono_error_raise_exception (&error);
631 mono_runtime_create_jump_trampoline (MonoDomain *domain, MonoMethod *method, gboolean add_sync_wrapper, MonoError *error)
635 MONO_REQ_GC_NEUTRAL_MODE;
637 mono_error_init (error);
638 res = callbacks.create_jump_trampoline (domain, method, add_sync_wrapper, error);
643 mono_runtime_create_delegate_trampoline (MonoClass *klass)
645 MONO_REQ_GC_NEUTRAL_MODE
647 return arch_create_delegate_trampoline (mono_domain_get (), klass);
650 static MonoFreeMethodFunc default_mono_free_method = NULL;
653 * mono_install_free_method:
654 * @func: pointer to the MonoFreeMethodFunc used to release a method
656 * This is an internal VM routine, it is used for the engines to
657 * register a handler to release the resources associated with a method.
659 * Methods are freed when no more references to the delegate that holds
663 mono_install_free_method (MonoFreeMethodFunc func)
665 default_mono_free_method = func;
669 * mono_runtime_free_method:
670 * @domain; domain where the method is hosted
671 * @method: method to release
673 * This routine is invoked to free the resources associated with
674 * a method that has been JIT compiled. This is used to discard
675 * methods that were used only temporarily (for example, used in marshalling)
679 mono_runtime_free_method (MonoDomain *domain, MonoMethod *method)
681 MONO_REQ_GC_NEUTRAL_MODE
683 if (default_mono_free_method != NULL)
684 default_mono_free_method (domain, method);
686 mono_method_clear_object (domain, method);
688 mono_free_method (method);
692 * The vtables in the root appdomain are assumed to be reachable by other
693 * roots, and we don't use typed allocation in the other domains.
696 /* The sync block is no longer a GC pointer */
697 #define GC_HEADER_BITMAP (0)
699 #define BITMAP_EL_SIZE (sizeof (gsize) * 8)
702 compute_class_bitmap (MonoClass *klass, gsize *bitmap, int size, int offset, int *max_set, gboolean static_fields)
704 MONO_REQ_GC_NEUTRAL_MODE;
706 MonoClassField *field;
712 max_size = mono_class_data_size (klass) / sizeof (gpointer);
714 max_size = klass->instance_size / sizeof (gpointer);
715 if (max_size > size) {
716 g_assert (offset <= 0);
717 bitmap = (gsize *)g_malloc0 ((max_size + BITMAP_EL_SIZE - 1) / BITMAP_EL_SIZE * sizeof (gsize));
722 /*An Ephemeron cannot be marked by sgen*/
723 if (!static_fields && klass->image == mono_defaults.corlib && !strcmp ("Ephemeron", klass->name)) {
725 memset (bitmap, 0, size / 8);
730 for (p = klass; p != NULL; p = p->parent) {
731 gpointer iter = NULL;
732 while ((field = mono_class_get_fields (p, &iter))) {
736 if (!(field->type->attrs & (FIELD_ATTRIBUTE_STATIC | FIELD_ATTRIBUTE_HAS_FIELD_RVA)))
738 if (field->type->attrs & FIELD_ATTRIBUTE_LITERAL)
741 if (field->type->attrs & (FIELD_ATTRIBUTE_STATIC | FIELD_ATTRIBUTE_HAS_FIELD_RVA))
744 /* FIXME: should not happen, flag as type load error */
745 if (field->type->byref)
748 if (static_fields && field->offset == -1)
752 pos = field->offset / sizeof (gpointer);
755 type = mono_type_get_underlying_type (field->type);
756 switch (type->type) {
759 case MONO_TYPE_FNPTR:
761 /* only UIntPtr is allowed to be GC-tracked and only in mscorlib */
766 if (klass->image != mono_defaults.corlib)
769 case MONO_TYPE_STRING:
770 case MONO_TYPE_SZARRAY:
771 case MONO_TYPE_CLASS:
772 case MONO_TYPE_OBJECT:
773 case MONO_TYPE_ARRAY:
774 g_assert ((field->offset % sizeof(gpointer)) == 0);
776 g_assert (pos < size || pos <= max_size);
777 bitmap [pos / BITMAP_EL_SIZE] |= ((gsize)1) << (pos % BITMAP_EL_SIZE);
778 *max_set = MAX (*max_set, pos);
780 case MONO_TYPE_GENERICINST:
781 if (!mono_type_generic_inst_is_valuetype (type)) {
782 g_assert ((field->offset % sizeof(gpointer)) == 0);
784 bitmap [pos / BITMAP_EL_SIZE] |= ((gsize)1) << (pos % BITMAP_EL_SIZE);
785 *max_set = MAX (*max_set, pos);
790 case MONO_TYPE_VALUETYPE: {
791 MonoClass *fclass = mono_class_from_mono_type (field->type);
792 if (fclass->has_references) {
793 /* remove the object header */
794 compute_class_bitmap (fclass, bitmap, size, pos - (sizeof (MonoObject) / sizeof (gpointer)), max_set, FALSE);
808 case MONO_TYPE_BOOLEAN:
812 g_error ("compute_class_bitmap: Invalid type %x for field %s:%s\n", type->type, mono_type_get_full_name (field->parent), field->name);
823 * mono_class_compute_bitmap:
825 * Mono internal function to compute a bitmap of reference fields in a class.
828 mono_class_compute_bitmap (MonoClass *klass, gsize *bitmap, int size, int offset, int *max_set, gboolean static_fields)
830 MONO_REQ_GC_NEUTRAL_MODE;
832 return compute_class_bitmap (klass, bitmap, size, offset, max_set, static_fields);
837 * similar to the above, but sets the bits in the bitmap for any non-ref field
838 * and ignores static fields
841 compute_class_non_ref_bitmap (MonoClass *klass, gsize *bitmap, int size, int offset)
843 MonoClassField *field;
848 max_size = class->instance_size / sizeof (gpointer);
849 if (max_size >= size) {
850 bitmap = g_malloc0 (sizeof (gsize) * ((max_size) + 1));
853 for (p = class; p != NULL; p = p->parent) {
854 gpointer iter = NULL;
855 while ((field = mono_class_get_fields (p, &iter))) {
858 if (field->type->attrs & (FIELD_ATTRIBUTE_STATIC | FIELD_ATTRIBUTE_HAS_FIELD_RVA))
860 /* FIXME: should not happen, flag as type load error */
861 if (field->type->byref)
864 pos = field->offset / sizeof (gpointer);
867 type = mono_type_get_underlying_type (field->type);
868 switch (type->type) {
869 #if SIZEOF_VOID_P == 8
873 case MONO_TYPE_FNPTR:
878 if ((((field->offset + 7) / sizeof (gpointer)) + offset) != pos) {
879 pos2 = ((field->offset + 7) / sizeof (gpointer)) + offset;
880 bitmap [pos2 / BITMAP_EL_SIZE] |= ((gsize)1) << (pos2 % BITMAP_EL_SIZE);
883 #if SIZEOF_VOID_P == 4
887 case MONO_TYPE_FNPTR:
892 if ((((field->offset + 3) / sizeof (gpointer)) + offset) != pos) {
893 pos2 = ((field->offset + 3) / sizeof (gpointer)) + offset;
894 bitmap [pos2 / BITMAP_EL_SIZE] |= ((gsize)1) << (pos2 % BITMAP_EL_SIZE);
900 if ((((field->offset + 1) / sizeof (gpointer)) + offset) != pos) {
901 pos2 = ((field->offset + 1) / sizeof (gpointer)) + offset;
902 bitmap [pos2 / BITMAP_EL_SIZE] |= ((gsize)1) << (pos2 % BITMAP_EL_SIZE);
905 case MONO_TYPE_BOOLEAN:
908 bitmap [pos / BITMAP_EL_SIZE] |= ((gsize)1) << (pos % BITMAP_EL_SIZE);
910 case MONO_TYPE_STRING:
911 case MONO_TYPE_SZARRAY:
912 case MONO_TYPE_CLASS:
913 case MONO_TYPE_OBJECT:
914 case MONO_TYPE_ARRAY:
916 case MONO_TYPE_GENERICINST:
917 if (!mono_type_generic_inst_is_valuetype (type)) {
922 case MONO_TYPE_VALUETYPE: {
923 MonoClass *fclass = mono_class_from_mono_type (field->type);
924 /* remove the object header */
925 compute_class_non_ref_bitmap (fclass, bitmap, size, pos - (sizeof (MonoObject) / sizeof (gpointer)));
929 g_assert_not_reached ();
938 * mono_class_insecure_overlapping:
939 * check if a class with explicit layout has references and non-references
940 * fields overlapping.
942 * Returns: TRUE if it is insecure to load the type.
945 mono_class_insecure_overlapping (MonoClass *klass)
949 gsize default_bitmap [4] = {0};
951 gsize default_nrbitmap [4] = {0};
952 int i, insecure = FALSE;
955 bitmap = compute_class_bitmap (klass, default_bitmap, sizeof (default_bitmap) * 8, 0, &max_set, FALSE);
956 nrbitmap = compute_class_non_ref_bitmap (klass, default_nrbitmap, sizeof (default_nrbitmap) * 8, 0);
958 for (i = 0; i <= max_set; i += sizeof (bitmap [0]) * 8) {
959 int idx = i % (sizeof (bitmap [0]) * 8);
960 if (bitmap [idx] & nrbitmap [idx]) {
965 if (bitmap != default_bitmap)
967 if (nrbitmap != default_nrbitmap)
970 g_print ("class %s.%s in assembly %s has overlapping references\n", klass->name_space, klass->name, klass->image->name);
978 ves_icall_string_alloc (int length)
981 MonoString *str = mono_string_new_size_checked (mono_domain_get (), length, &error);
982 mono_error_set_pending_exception (&error);
988 mono_class_compute_gc_descriptor (MonoClass *klass)
990 MONO_REQ_GC_NEUTRAL_MODE;
994 gsize default_bitmap [4] = {0};
995 static gboolean gcj_inited = FALSE;
1000 mono_register_jit_icall (ves_icall_object_new_fast, "ves_icall_object_new_fast", mono_create_icall_signature ("object ptr"), FALSE);
1001 mono_register_jit_icall (ves_icall_string_alloc, "ves_icall_string_alloc", mono_create_icall_signature ("object int"), FALSE);
1004 mono_loader_unlock ();
1008 mono_class_init (klass);
1010 if (klass->gc_descr_inited)
1013 klass->gc_descr_inited = TRUE;
1014 klass->gc_descr = MONO_GC_DESCRIPTOR_NULL;
1016 bitmap = default_bitmap;
1017 if (klass == mono_defaults.string_class) {
1018 klass->gc_descr = mono_gc_make_descr_for_string (bitmap, 2);
1019 } else if (klass->rank) {
1020 mono_class_compute_gc_descriptor (klass->element_class);
1021 if (MONO_TYPE_IS_REFERENCE (&klass->element_class->byval_arg)) {
1023 klass->gc_descr = mono_gc_make_descr_for_array (klass->byval_arg.type == MONO_TYPE_SZARRAY, &abm, 1, sizeof (gpointer));
1024 /*printf ("new array descriptor: 0x%x for %s.%s\n", class->gc_descr,
1025 class->name_space, class->name);*/
1027 /* remove the object header */
1028 bitmap = compute_class_bitmap (klass->element_class, default_bitmap, sizeof (default_bitmap) * 8, - (int)(sizeof (MonoObject) / sizeof (gpointer)), &max_set, FALSE);
1029 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));
1030 /*printf ("new vt array descriptor: 0x%x for %s.%s\n", class->gc_descr,
1031 class->name_space, class->name);*/
1032 if (bitmap != default_bitmap)
1036 /*static int count = 0;
1039 bitmap = compute_class_bitmap (klass, default_bitmap, sizeof (default_bitmap) * 8, 0, &max_set, FALSE);
1040 klass->gc_descr = mono_gc_make_descr_for_object (bitmap, max_set + 1, klass->instance_size);
1042 if (class->gc_descr == MONO_GC_DESCRIPTOR_NULL)
1043 g_print ("disabling typed alloc (%d) for %s.%s\n", max_set, class->name_space, class->name);
1045 /*printf ("new descriptor: %p 0x%x for %s.%s\n", class->gc_descr, bitmap [0], class->name_space, class->name);*/
1046 if (bitmap != default_bitmap)
1052 * field_is_special_static:
1053 * @fklass: The MonoClass to look up.
1054 * @field: The MonoClassField describing the field.
1056 * Returns: SPECIAL_STATIC_THREAD if the field is thread static, SPECIAL_STATIC_CONTEXT if it is context static,
1057 * SPECIAL_STATIC_NONE otherwise.
1060 field_is_special_static (MonoClass *fklass, MonoClassField *field)
1062 MONO_REQ_GC_NEUTRAL_MODE;
1065 MonoCustomAttrInfo *ainfo;
1067 ainfo = mono_custom_attrs_from_field_checked (fklass, field, &error);
1068 mono_error_cleanup (&error); /* FIXME don't swallow the error? */
1071 for (i = 0; i < ainfo->num_attrs; ++i) {
1072 MonoClass *klass = ainfo->attrs [i].ctor->klass;
1073 if (klass->image == mono_defaults.corlib) {
1074 if (strcmp (klass->name, "ThreadStaticAttribute") == 0) {
1075 mono_custom_attrs_free (ainfo);
1076 return SPECIAL_STATIC_THREAD;
1078 else if (strcmp (klass->name, "ContextStaticAttribute") == 0) {
1079 mono_custom_attrs_free (ainfo);
1080 return SPECIAL_STATIC_CONTEXT;
1084 mono_custom_attrs_free (ainfo);
1085 return SPECIAL_STATIC_NONE;
1088 #define rot(x,k) (((x)<<(k)) | ((x)>>(32-(k))))
1089 #define mix(a,b,c) { \
1090 a -= c; a ^= rot(c, 4); c += b; \
1091 b -= a; b ^= rot(a, 6); a += c; \
1092 c -= b; c ^= rot(b, 8); b += a; \
1093 a -= c; a ^= rot(c,16); c += b; \
1094 b -= a; b ^= rot(a,19); a += c; \
1095 c -= b; c ^= rot(b, 4); b += a; \
1097 #define final(a,b,c) { \
1098 c ^= b; c -= rot(b,14); \
1099 a ^= c; a -= rot(c,11); \
1100 b ^= a; b -= rot(a,25); \
1101 c ^= b; c -= rot(b,16); \
1102 a ^= c; a -= rot(c,4); \
1103 b ^= a; b -= rot(a,14); \
1104 c ^= b; c -= rot(b,24); \
1108 * mono_method_get_imt_slot:
1110 * The IMT slot is embedded into AOTed code, so this must return the same value
1111 * for the same method across all executions. This means:
1112 * - pointers shouldn't be used as hash values.
1113 * - mono_metadata_str_hash () should be used for hashing strings.
1116 mono_method_get_imt_slot (MonoMethod *method)
1118 MONO_REQ_GC_NEUTRAL_MODE;
1120 MonoMethodSignature *sig;
1122 guint32 *hashes_start, *hashes;
1126 /* This can be used to stress tests the collision code */
1130 * We do this to simplify generic sharing. It will hurt
1131 * performance in cases where a class implements two different
1132 * instantiations of the same generic interface.
1133 * The code in build_imt_slots () depends on this.
1135 if (method->is_inflated)
1136 method = ((MonoMethodInflated*)method)->declaring;
1138 sig = mono_method_signature (method);
1139 hashes_count = sig->param_count + 4;
1140 hashes_start = (guint32 *)malloc (hashes_count * sizeof (guint32));
1141 hashes = hashes_start;
1143 if (! MONO_CLASS_IS_INTERFACE (method->klass)) {
1144 g_error ("mono_method_get_imt_slot: %s.%s.%s is not an interface MonoMethod",
1145 method->klass->name_space, method->klass->name, method->name);
1148 /* Initialize hashes */
1149 hashes [0] = mono_metadata_str_hash (method->klass->name);
1150 hashes [1] = mono_metadata_str_hash (method->klass->name_space);
1151 hashes [2] = mono_metadata_str_hash (method->name);
1152 hashes [3] = mono_metadata_type_hash (sig->ret);
1153 for (i = 0; i < sig->param_count; i++) {
1154 hashes [4 + i] = mono_metadata_type_hash (sig->params [i]);
1157 /* Setup internal state */
1158 a = b = c = 0xdeadbeef + (((guint32)hashes_count)<<2);
1160 /* Handle most of the hashes */
1161 while (hashes_count > 3) {
1170 /* Handle the last 3 hashes (all the case statements fall through) */
1171 switch (hashes_count) {
1172 case 3 : c += hashes [2];
1173 case 2 : b += hashes [1];
1174 case 1 : a += hashes [0];
1176 case 0: /* nothing left to add */
1180 free (hashes_start);
1181 /* Report the result */
1182 return c % MONO_IMT_SIZE;
1191 add_imt_builder_entry (MonoImtBuilderEntry **imt_builder, MonoMethod *method, guint32 *imt_collisions_bitmap, int vtable_slot, int slot_num) {
1192 MONO_REQ_GC_NEUTRAL_MODE;
1194 guint32 imt_slot = mono_method_get_imt_slot (method);
1195 MonoImtBuilderEntry *entry;
1197 if (slot_num >= 0 && imt_slot != slot_num) {
1198 /* we build just a single imt slot and this is not it */
1202 entry = (MonoImtBuilderEntry *)g_malloc0 (sizeof (MonoImtBuilderEntry));
1203 entry->key = method;
1204 entry->value.vtable_slot = vtable_slot;
1205 entry->next = imt_builder [imt_slot];
1206 if (imt_builder [imt_slot] != NULL) {
1207 entry->children = imt_builder [imt_slot]->children + 1;
1208 if (entry->children == 1) {
1209 mono_stats.imt_slots_with_collisions++;
1210 *imt_collisions_bitmap |= (1 << imt_slot);
1213 entry->children = 0;
1214 mono_stats.imt_used_slots++;
1216 imt_builder [imt_slot] = entry;
1219 char *method_name = mono_method_full_name (method, TRUE);
1220 printf ("Added IMT slot for method (%p) %s: imt_slot = %d, vtable_slot = %d, colliding with other %d entries\n",
1221 method, method_name, imt_slot, vtable_slot, entry->children);
1222 g_free (method_name);
1229 print_imt_entry (const char* message, MonoImtBuilderEntry *e, int num) {
1231 MonoMethod *method = e->key;
1232 printf (" * %s [%d]: (%p) '%s.%s.%s'\n",
1236 method->klass->name_space,
1237 method->klass->name,
1240 printf (" * %s: NULL\n", message);
1246 compare_imt_builder_entries (const void *p1, const void *p2) {
1247 MonoImtBuilderEntry *e1 = *(MonoImtBuilderEntry**) p1;
1248 MonoImtBuilderEntry *e2 = *(MonoImtBuilderEntry**) p2;
1250 return (e1->key < e2->key) ? -1 : ((e1->key > e2->key) ? 1 : 0);
1254 imt_emit_ir (MonoImtBuilderEntry **sorted_array, int start, int end, GPtrArray *out_array)
1256 MONO_REQ_GC_NEUTRAL_MODE;
1258 int count = end - start;
1259 int chunk_start = out_array->len;
1262 for (i = start; i < end; ++i) {
1263 MonoIMTCheckItem *item = g_new0 (MonoIMTCheckItem, 1);
1264 item->key = sorted_array [i]->key;
1265 item->value = sorted_array [i]->value;
1266 item->has_target_code = sorted_array [i]->has_target_code;
1267 item->is_equals = TRUE;
1269 item->check_target_idx = out_array->len + 1;
1271 item->check_target_idx = 0;
1272 g_ptr_array_add (out_array, item);
1275 int middle = start + count / 2;
1276 MonoIMTCheckItem *item = g_new0 (MonoIMTCheckItem, 1);
1278 item->key = sorted_array [middle]->key;
1279 item->is_equals = FALSE;
1280 g_ptr_array_add (out_array, item);
1281 imt_emit_ir (sorted_array, start, middle, out_array);
1282 item->check_target_idx = imt_emit_ir (sorted_array, middle, end, out_array);
1288 imt_sort_slot_entries (MonoImtBuilderEntry *entries) {
1289 MONO_REQ_GC_NEUTRAL_MODE;
1291 int number_of_entries = entries->children + 1;
1292 MonoImtBuilderEntry **sorted_array = (MonoImtBuilderEntry **)malloc (sizeof (MonoImtBuilderEntry*) * number_of_entries);
1293 GPtrArray *result = g_ptr_array_new ();
1294 MonoImtBuilderEntry *current_entry;
1297 for (current_entry = entries, i = 0; current_entry != NULL; current_entry = current_entry->next, i++) {
1298 sorted_array [i] = current_entry;
1300 qsort (sorted_array, number_of_entries, sizeof (MonoImtBuilderEntry*), compare_imt_builder_entries);
1302 /*for (i = 0; i < number_of_entries; i++) {
1303 print_imt_entry (" sorted array:", sorted_array [i], i);
1306 imt_emit_ir (sorted_array, 0, number_of_entries, result);
1308 free (sorted_array);
1313 initialize_imt_slot (MonoVTable *vtable, MonoDomain *domain, MonoImtBuilderEntry *imt_builder_entry, gpointer fail_tramp)
1315 MONO_REQ_GC_NEUTRAL_MODE;
1317 if (imt_builder_entry != NULL) {
1318 if (imt_builder_entry->children == 0 && !fail_tramp && !always_build_imt_thunks) {
1319 /* No collision, return the vtable slot contents */
1320 return vtable->vtable [imt_builder_entry->value.vtable_slot];
1322 /* Collision, build the thunk */
1323 GPtrArray *imt_ir = imt_sort_slot_entries (imt_builder_entry);
1326 result = imt_thunk_builder (vtable, domain,
1327 (MonoIMTCheckItem**)imt_ir->pdata, imt_ir->len, fail_tramp);
1328 for (i = 0; i < imt_ir->len; ++i)
1329 g_free (g_ptr_array_index (imt_ir, i));
1330 g_ptr_array_free (imt_ir, TRUE);
1342 static MonoImtBuilderEntry*
1343 get_generic_virtual_entries (MonoDomain *domain, gpointer *vtable_slot);
1346 * LOCKING: requires the loader and domain locks.
1350 build_imt_slots (MonoClass *klass, MonoVTable *vt, MonoDomain *domain, gpointer* imt, GSList *extra_interfaces, int slot_num)
1352 MONO_REQ_GC_NEUTRAL_MODE;
1356 guint32 imt_collisions_bitmap = 0;
1357 MonoImtBuilderEntry **imt_builder = (MonoImtBuilderEntry **)calloc (MONO_IMT_SIZE, sizeof (MonoImtBuilderEntry*));
1358 int method_count = 0;
1359 gboolean record_method_count_for_max_collisions = FALSE;
1360 gboolean has_generic_virtual = FALSE, has_variant_iface = FALSE;
1363 printf ("Building IMT for class %s.%s slot %d\n", klass->name_space, klass->name, slot_num);
1365 for (i = 0; i < klass->interface_offsets_count; ++i) {
1366 MonoClass *iface = klass->interfaces_packed [i];
1367 int interface_offset = klass->interface_offsets_packed [i];
1368 int method_slot_in_interface, vt_slot;
1370 if (mono_class_has_variant_generic_params (iface))
1371 has_variant_iface = TRUE;
1373 mono_class_setup_methods (iface);
1374 vt_slot = interface_offset;
1375 for (method_slot_in_interface = 0; method_slot_in_interface < iface->method.count; method_slot_in_interface++) {
1378 if (slot_num >= 0 && iface->is_inflated) {
1380 * The imt slot of the method is the same as for its declaring method,
1381 * see the comment in mono_method_get_imt_slot (), so we can
1382 * avoid inflating methods which will be discarded by
1383 * add_imt_builder_entry anyway.
1385 method = mono_class_get_method_by_index (iface->generic_class->container_class, method_slot_in_interface);
1386 if (mono_method_get_imt_slot (method) != slot_num) {
1391 method = mono_class_get_method_by_index (iface, method_slot_in_interface);
1392 if (method->is_generic) {
1393 has_generic_virtual = TRUE;
1398 if (!(method->flags & METHOD_ATTRIBUTE_STATIC)) {
1399 add_imt_builder_entry (imt_builder, method, &imt_collisions_bitmap, vt_slot, slot_num);
1404 if (extra_interfaces) {
1405 int interface_offset = klass->vtable_size;
1407 for (list_item = extra_interfaces; list_item != NULL; list_item=list_item->next) {
1408 MonoClass* iface = (MonoClass *)list_item->data;
1409 int method_slot_in_interface;
1410 for (method_slot_in_interface = 0; method_slot_in_interface < iface->method.count; method_slot_in_interface++) {
1411 MonoMethod *method = mono_class_get_method_by_index (iface, method_slot_in_interface);
1413 if (method->is_generic)
1414 has_generic_virtual = TRUE;
1415 add_imt_builder_entry (imt_builder, method, &imt_collisions_bitmap, interface_offset + method_slot_in_interface, slot_num);
1417 interface_offset += iface->method.count;
1420 for (i = 0; i < MONO_IMT_SIZE; ++i) {
1421 /* overwrite the imt slot only if we're building all the entries or if
1422 * we're building this specific one
1424 if (slot_num < 0 || i == slot_num) {
1425 MonoImtBuilderEntry *entries = get_generic_virtual_entries (domain, &imt [i]);
1428 if (imt_builder [i]) {
1429 MonoImtBuilderEntry *entry;
1431 /* Link entries with imt_builder [i] */
1432 for (entry = entries; entry->next; entry = entry->next) {
1434 MonoMethod *method = (MonoMethod*)entry->key;
1435 char *method_name = mono_method_full_name (method, TRUE);
1436 printf ("Added extra entry for method (%p) %s: imt_slot = %d\n", method, method_name, i);
1437 g_free (method_name);
1440 entry->next = imt_builder [i];
1441 entries->children += imt_builder [i]->children + 1;
1443 imt_builder [i] = entries;
1446 if (has_generic_virtual || has_variant_iface) {
1448 * There might be collisions later when the the thunk is expanded.
1450 imt_collisions_bitmap |= (1 << i);
1453 * The IMT thunk might be called with an instance of one of the
1454 * generic virtual methods, so has to fallback to the IMT trampoline.
1456 imt [i] = initialize_imt_slot (vt, domain, imt_builder [i], callbacks.get_imt_trampoline (vt, i));
1458 imt [i] = initialize_imt_slot (vt, domain, imt_builder [i], NULL);
1461 printf ("initialize_imt_slot[%d]: %p methods %d\n", i, imt [i], imt_builder [i]->children + 1);
1465 if (imt_builder [i] != NULL) {
1466 int methods_in_slot = imt_builder [i]->children + 1;
1467 if (methods_in_slot > mono_stats.imt_max_collisions_in_slot) {
1468 mono_stats.imt_max_collisions_in_slot = methods_in_slot;
1469 record_method_count_for_max_collisions = TRUE;
1471 method_count += methods_in_slot;
1475 mono_stats.imt_number_of_methods += method_count;
1476 if (record_method_count_for_max_collisions) {
1477 mono_stats.imt_method_count_when_max_collisions = method_count;
1480 for (i = 0; i < MONO_IMT_SIZE; i++) {
1481 MonoImtBuilderEntry* entry = imt_builder [i];
1482 while (entry != NULL) {
1483 MonoImtBuilderEntry* next = entry->next;
1489 /* we OR the bitmap since we may build just a single imt slot at a time */
1490 vt->imt_collisions_bitmap |= imt_collisions_bitmap;
1494 build_imt (MonoClass *klass, MonoVTable *vt, MonoDomain *domain, gpointer* imt, GSList *extra_interfaces) {
1495 MONO_REQ_GC_NEUTRAL_MODE;
1497 build_imt_slots (klass, vt, domain, imt, extra_interfaces, -1);
1501 * mono_vtable_build_imt_slot:
1502 * @vtable: virtual object table struct
1503 * @imt_slot: slot in the IMT table
1505 * Fill the given @imt_slot in the IMT table of @vtable with
1506 * a trampoline or a thunk for the case of collisions.
1507 * This is part of the internal mono API.
1509 * LOCKING: Take the domain lock.
1512 mono_vtable_build_imt_slot (MonoVTable* vtable, int imt_slot)
1514 MONO_REQ_GC_NEUTRAL_MODE;
1516 gpointer *imt = (gpointer*)vtable;
1517 imt -= MONO_IMT_SIZE;
1518 g_assert (imt_slot >= 0 && imt_slot < MONO_IMT_SIZE);
1520 /* no support for extra interfaces: the proxy objects will need
1521 * to build the complete IMT
1522 * Update and heck needs to ahppen inside the proper domain lock, as all
1523 * the changes made to a MonoVTable.
1525 mono_loader_lock (); /*FIXME build_imt_slots requires the loader lock.*/
1526 mono_domain_lock (vtable->domain);
1527 /* we change the slot only if it wasn't changed from the generic imt trampoline already */
1528 if (!callbacks.imt_entry_inited (vtable, imt_slot))
1529 build_imt_slots (vtable->klass, vtable, vtable->domain, imt, NULL, imt_slot);
1530 mono_domain_unlock (vtable->domain);
1531 mono_loader_unlock ();
1536 * The first two free list entries both belong to the wait list: The
1537 * first entry is the pointer to the head of the list and the second
1538 * entry points to the last element. That way appending and removing
1539 * the first element are both O(1) operations.
1541 #ifdef MONO_SMALL_CONFIG
1542 #define NUM_FREE_LISTS 6
1544 #define NUM_FREE_LISTS 12
1546 #define FIRST_FREE_LIST_SIZE 64
1547 #define MAX_WAIT_LENGTH 50
1548 #define THUNK_THRESHOLD 10
1551 * LOCKING: The domain lock must be held.
1554 init_thunk_free_lists (MonoDomain *domain)
1556 MONO_REQ_GC_NEUTRAL_MODE;
1558 if (domain->thunk_free_lists)
1560 domain->thunk_free_lists = (MonoThunkFreeList **)mono_domain_alloc0 (domain, sizeof (gpointer) * NUM_FREE_LISTS);
1564 list_index_for_size (int item_size)
1567 int size = FIRST_FREE_LIST_SIZE;
1569 while (item_size > size && i < NUM_FREE_LISTS - 1) {
1578 * mono_method_alloc_generic_virtual_thunk:
1580 * @size: size in bytes
1582 * Allocs size bytes to be used for the code of a generic virtual
1583 * thunk. It's either allocated from the domain's code manager or
1584 * reused from a previously invalidated piece.
1586 * LOCKING: The domain lock must be held.
1589 mono_method_alloc_generic_virtual_thunk (MonoDomain *domain, int size)
1591 MONO_REQ_GC_NEUTRAL_MODE;
1593 static gboolean inited = FALSE;
1594 static int generic_virtual_thunks_size = 0;
1598 MonoThunkFreeList **l;
1600 init_thunk_free_lists (domain);
1602 size += sizeof (guint32);
1603 if (size < sizeof (MonoThunkFreeList))
1604 size = sizeof (MonoThunkFreeList);
1606 i = list_index_for_size (size);
1607 for (l = &domain->thunk_free_lists [i]; *l; l = &(*l)->next) {
1608 if ((*l)->size >= size) {
1609 MonoThunkFreeList *item = *l;
1611 return ((guint32*)item) + 1;
1615 /* no suitable item found - search lists of larger sizes */
1616 while (++i < NUM_FREE_LISTS) {
1617 MonoThunkFreeList *item = domain->thunk_free_lists [i];
1620 g_assert (item->size > size);
1621 domain->thunk_free_lists [i] = item->next;
1622 return ((guint32*)item) + 1;
1625 /* still nothing found - allocate it */
1627 mono_counters_register ("Generic virtual thunk bytes",
1628 MONO_COUNTER_GENERICS | MONO_COUNTER_INT, &generic_virtual_thunks_size);
1631 generic_virtual_thunks_size += size;
1633 p = (guint32 *)mono_domain_code_reserve (domain, size);
1636 mono_domain_lock (domain);
1637 if (!domain->generic_virtual_thunks)
1638 domain->generic_virtual_thunks = g_hash_table_new (NULL, NULL);
1639 g_hash_table_insert (domain->generic_virtual_thunks, p, p);
1640 mono_domain_unlock (domain);
1646 * LOCKING: The domain lock must be held.
1649 invalidate_generic_virtual_thunk (MonoDomain *domain, gpointer code)
1651 MONO_REQ_GC_NEUTRAL_MODE;
1653 guint32 *p = (guint32 *)code;
1654 MonoThunkFreeList *l = (MonoThunkFreeList*)(p - 1);
1655 gboolean found = FALSE;
1657 mono_domain_lock (domain);
1658 if (!domain->generic_virtual_thunks)
1659 domain->generic_virtual_thunks = g_hash_table_new (NULL, NULL);
1660 if (g_hash_table_lookup (domain->generic_virtual_thunks, l))
1662 mono_domain_unlock (domain);
1665 /* Not allocated by mono_method_alloc_generic_virtual_thunk (), i.e. AOT */
1667 init_thunk_free_lists (domain);
1669 while (domain->thunk_free_lists [0] && domain->thunk_free_lists [0]->length >= MAX_WAIT_LENGTH) {
1670 MonoThunkFreeList *item = domain->thunk_free_lists [0];
1671 int length = item->length;
1674 /* unlink the first item from the wait list */
1675 domain->thunk_free_lists [0] = item->next;
1676 domain->thunk_free_lists [0]->length = length - 1;
1678 i = list_index_for_size (item->size);
1680 /* put it in the free list */
1681 item->next = domain->thunk_free_lists [i];
1682 domain->thunk_free_lists [i] = item;
1686 if (domain->thunk_free_lists [1]) {
1687 domain->thunk_free_lists [1] = domain->thunk_free_lists [1]->next = l;
1688 domain->thunk_free_lists [0]->length++;
1690 g_assert (!domain->thunk_free_lists [0]);
1692 domain->thunk_free_lists [0] = domain->thunk_free_lists [1] = l;
1693 domain->thunk_free_lists [0]->length = 1;
1697 typedef struct _GenericVirtualCase {
1701 struct _GenericVirtualCase *next;
1702 } GenericVirtualCase;
1705 * get_generic_virtual_entries:
1707 * Return IMT entries for the generic virtual method instances and
1708 * variant interface methods for vtable slot
1711 static MonoImtBuilderEntry*
1712 get_generic_virtual_entries (MonoDomain *domain, gpointer *vtable_slot)
1714 MONO_REQ_GC_NEUTRAL_MODE;
1716 GenericVirtualCase *list;
1717 MonoImtBuilderEntry *entries;
1719 mono_domain_lock (domain);
1720 if (!domain->generic_virtual_cases)
1721 domain->generic_virtual_cases = g_hash_table_new (mono_aligned_addr_hash, NULL);
1723 list = (GenericVirtualCase *)g_hash_table_lookup (domain->generic_virtual_cases, vtable_slot);
1726 for (; list; list = list->next) {
1727 MonoImtBuilderEntry *entry;
1729 if (list->count < THUNK_THRESHOLD)
1732 entry = g_new0 (MonoImtBuilderEntry, 1);
1733 entry->key = list->method;
1734 entry->value.target_code = mono_get_addr_from_ftnptr (list->code);
1735 entry->has_target_code = 1;
1737 entry->children = entries->children + 1;
1738 entry->next = entries;
1742 mono_domain_unlock (domain);
1744 /* FIXME: Leaking memory ? */
1749 * mono_method_add_generic_virtual_invocation:
1751 * @vtable_slot: pointer to the vtable slot
1752 * @method: the inflated generic virtual method
1753 * @code: the method's code
1755 * Registers a call via unmanaged code to a generic virtual method
1756 * instantiation or variant interface method. If the number of calls reaches a threshold
1757 * (THUNK_THRESHOLD), the method is added to the vtable slot's generic
1758 * virtual method thunk.
1761 mono_method_add_generic_virtual_invocation (MonoDomain *domain, MonoVTable *vtable,
1762 gpointer *vtable_slot,
1763 MonoMethod *method, gpointer code)
1765 MONO_REQ_GC_NEUTRAL_MODE;
1767 static gboolean inited = FALSE;
1768 static int num_added = 0;
1770 GenericVirtualCase *gvc, *list;
1771 MonoImtBuilderEntry *entries;
1775 mono_domain_lock (domain);
1776 if (!domain->generic_virtual_cases)
1777 domain->generic_virtual_cases = g_hash_table_new (mono_aligned_addr_hash, NULL);
1779 /* Check whether the case was already added */
1780 list = (GenericVirtualCase *)g_hash_table_lookup (domain->generic_virtual_cases, vtable_slot);
1783 if (gvc->method == method)
1788 /* If not found, make a new one */
1790 gvc = (GenericVirtualCase *)mono_domain_alloc (domain, sizeof (GenericVirtualCase));
1791 gvc->method = method;
1794 gvc->next = (GenericVirtualCase *)g_hash_table_lookup (domain->generic_virtual_cases, vtable_slot);
1796 g_hash_table_insert (domain->generic_virtual_cases, vtable_slot, gvc);
1799 mono_counters_register ("Generic virtual cases", MONO_COUNTER_GENERICS | MONO_COUNTER_INT, &num_added);
1805 if (++gvc->count == THUNK_THRESHOLD) {
1806 gpointer *old_thunk = (void **)*vtable_slot;
1807 gpointer vtable_trampoline = NULL;
1808 gpointer imt_trampoline = NULL;
1810 if ((gpointer)vtable_slot < (gpointer)vtable) {
1811 int displacement = (gpointer*)vtable_slot - (gpointer*)vtable;
1812 int imt_slot = MONO_IMT_SIZE + displacement;
1814 /* Force the rebuild of the thunk at the next call */
1815 imt_trampoline = callbacks.get_imt_trampoline (vtable, imt_slot);
1816 *vtable_slot = imt_trampoline;
1818 vtable_trampoline = callbacks.get_vtable_trampoline ? callbacks.get_vtable_trampoline (vtable, (gpointer*)vtable_slot - (gpointer*)vtable->vtable) : NULL;
1820 entries = get_generic_virtual_entries (domain, vtable_slot);
1822 sorted = imt_sort_slot_entries (entries);
1824 *vtable_slot = imt_thunk_builder (NULL, domain, (MonoIMTCheckItem**)sorted->pdata, sorted->len,
1828 MonoImtBuilderEntry *next = entries->next;
1833 for (i = 0; i < sorted->len; ++i)
1834 g_free (g_ptr_array_index (sorted, i));
1835 g_ptr_array_free (sorted, TRUE);
1838 #ifndef __native_client__
1839 /* We don't re-use any thunks as there is a lot of overhead */
1840 /* to deleting and re-using code in Native Client. */
1841 if (old_thunk != vtable_trampoline && old_thunk != imt_trampoline)
1842 invalidate_generic_virtual_thunk (domain, old_thunk);
1846 mono_domain_unlock (domain);
1849 static MonoVTable *mono_class_create_runtime_vtable (MonoDomain *domain, MonoClass *klass, MonoError *error);
1852 * mono_class_vtable:
1853 * @domain: the application domain
1854 * @class: the class to initialize
1856 * VTables are domain specific because we create domain specific code, and
1857 * they contain the domain specific static class data.
1858 * On failure, NULL is returned, and class->exception_type is set.
1861 mono_class_vtable (MonoDomain *domain, MonoClass *klass)
1864 MonoVTable* vtable = mono_class_vtable_full (domain, klass, &error);
1865 mono_error_cleanup (&error);
1870 * mono_class_vtable_full:
1871 * @domain: the application domain
1872 * @class: the class to initialize
1873 * @error set on failure.
1875 * VTables are domain specific because we create domain specific code, and
1876 * they contain the domain specific static class data.
1879 mono_class_vtable_full (MonoDomain *domain, MonoClass *klass, MonoError *error)
1881 MONO_REQ_GC_UNSAFE_MODE;
1883 MonoClassRuntimeInfo *runtime_info;
1885 mono_error_init (error);
1889 if (mono_class_has_failure (klass)) {
1890 mono_error_set_exception_instance (error, mono_class_get_exception_for_failure (klass));
1894 /* this check can be inlined in jitted code, too */
1895 runtime_info = klass->runtime_info;
1896 if (runtime_info && runtime_info->max_domain >= domain->domain_id && runtime_info->domain_vtables [domain->domain_id])
1897 return runtime_info->domain_vtables [domain->domain_id];
1898 return mono_class_create_runtime_vtable (domain, klass, error);
1902 * mono_class_try_get_vtable:
1903 * @domain: the application domain
1904 * @class: the class to initialize
1906 * This function tries to get the associated vtable from @class if
1907 * it was already created.
1910 mono_class_try_get_vtable (MonoDomain *domain, MonoClass *klass)
1912 MONO_REQ_GC_NEUTRAL_MODE;
1914 MonoClassRuntimeInfo *runtime_info;
1918 runtime_info = klass->runtime_info;
1919 if (runtime_info && runtime_info->max_domain >= domain->domain_id && runtime_info->domain_vtables [domain->domain_id])
1920 return runtime_info->domain_vtables [domain->domain_id];
1925 alloc_vtable (MonoDomain *domain, size_t vtable_size, size_t imt_table_bytes)
1927 MONO_REQ_GC_NEUTRAL_MODE;
1929 size_t alloc_offset;
1932 * We want the pointer to the MonoVTable aligned to 8 bytes because SGen uses three
1933 * address bits. The IMT has an odd number of entries, however, so on 32 bits the
1934 * alignment will be off. In that case we allocate 4 more bytes and skip over them.
1936 if (sizeof (gpointer) == 4 && (imt_table_bytes & 7)) {
1937 g_assert ((imt_table_bytes & 7) == 4);
1944 return (gpointer*) ((char*)mono_domain_alloc0 (domain, vtable_size) + alloc_offset);
1948 mono_class_create_runtime_vtable (MonoDomain *domain, MonoClass *klass, MonoError *error)
1950 MONO_REQ_GC_UNSAFE_MODE;
1953 MonoClassRuntimeInfo *runtime_info, *old_info;
1954 MonoClassField *field;
1956 int i, vtable_slots;
1957 size_t imt_table_bytes;
1959 guint32 vtable_size, class_size;
1961 gpointer *interface_offsets;
1963 mono_error_init (error);
1965 mono_loader_lock (); /*FIXME mono_class_init acquires it*/
1966 mono_domain_lock (domain);
1967 runtime_info = klass->runtime_info;
1968 if (runtime_info && runtime_info->max_domain >= domain->domain_id && runtime_info->domain_vtables [domain->domain_id]) {
1969 mono_domain_unlock (domain);
1970 mono_loader_unlock ();
1971 return runtime_info->domain_vtables [domain->domain_id];
1973 if (!klass->inited || mono_class_has_failure (klass)) {
1974 if (!mono_class_init (klass) || mono_class_has_failure (klass)) {
1975 mono_domain_unlock (domain);
1976 mono_loader_unlock ();
1977 mono_error_set_exception_instance (error, mono_class_get_exception_for_failure (klass));
1982 /* Array types require that their element type be valid*/
1983 if (klass->byval_arg.type == MONO_TYPE_ARRAY || klass->byval_arg.type == MONO_TYPE_SZARRAY) {
1984 MonoClass *element_class = klass->element_class;
1985 if (!element_class->inited)
1986 mono_class_init (element_class);
1988 /*mono_class_init can leave the vtable layout to be lazily done and we can't afford this here*/
1989 if (!mono_class_has_failure (element_class) && !element_class->vtable_size)
1990 mono_class_setup_vtable (element_class);
1992 if (mono_class_has_failure (element_class)) {
1993 /*Can happen if element_class only got bad after mono_class_setup_vtable*/
1994 if (!mono_class_has_failure (klass))
1995 mono_class_set_failure (klass, MONO_EXCEPTION_TYPE_LOAD, NULL);
1996 mono_domain_unlock (domain);
1997 mono_loader_unlock ();
1998 mono_error_set_exception_instance (error, mono_class_get_exception_for_failure (klass));
2004 * For some classes, mono_class_init () already computed klass->vtable_size, and
2005 * that is all that is needed because of the vtable trampolines.
2007 if (!klass->vtable_size)
2008 mono_class_setup_vtable (klass);
2010 if (klass->generic_class && !klass->vtable)
2011 mono_class_check_vtable_constraints (klass, NULL);
2013 /* Initialize klass->has_finalize */
2014 mono_class_has_finalizer (klass);
2016 if (mono_class_has_failure (klass)) {
2017 mono_domain_unlock (domain);
2018 mono_loader_unlock ();
2019 mono_error_set_exception_instance (error, mono_class_get_exception_for_failure (klass));
2023 vtable_slots = klass->vtable_size;
2024 /* we add an additional vtable slot to store the pointer to static field data only when needed */
2025 class_size = mono_class_data_size (klass);
2029 if (klass->interface_offsets_count) {
2030 imt_table_bytes = sizeof (gpointer) * (MONO_IMT_SIZE);
2031 mono_stats.imt_number_of_tables++;
2032 mono_stats.imt_tables_size += imt_table_bytes;
2034 imt_table_bytes = 0;
2037 vtable_size = imt_table_bytes + MONO_SIZEOF_VTABLE + vtable_slots * sizeof (gpointer);
2039 mono_stats.used_class_count++;
2040 mono_stats.class_vtable_size += vtable_size;
2042 interface_offsets = alloc_vtable (domain, vtable_size, imt_table_bytes);
2043 vt = (MonoVTable*) ((char*)interface_offsets + imt_table_bytes);
2044 g_assert (!((gsize)vt & 7));
2047 vt->rank = klass->rank;
2048 vt->domain = domain;
2050 mono_class_compute_gc_descriptor (klass);
2052 * We can't use typed allocation in the non-root domains, since the
2053 * collector needs the GC descriptor stored in the vtable even after
2054 * the mempool containing the vtable is destroyed when the domain is
2055 * unloaded. An alternative might be to allocate vtables in the GC
2056 * heap, but this does not seem to work (it leads to crashes inside
2057 * libgc). If that approach is tried, two gc descriptors need to be
2058 * allocated for each class: one for the root domain, and one for all
2059 * other domains. The second descriptor should contain a bit for the
2060 * vtable field in MonoObject, since we can no longer assume the
2061 * vtable is reachable by other roots after the appdomain is unloaded.
2063 #ifdef HAVE_BOEHM_GC
2064 if (domain != mono_get_root_domain () && !mono_dont_free_domains)
2065 vt->gc_descr = MONO_GC_DESCRIPTOR_NULL;
2068 vt->gc_descr = klass->gc_descr;
2070 gc_bits = mono_gc_get_vtable_bits (klass);
2071 g_assert (!(gc_bits & ~((1 << MONO_VTABLE_AVAILABLE_GC_BITS) - 1)));
2073 vt->gc_bits = gc_bits;
2076 /* we store the static field pointer at the end of the vtable: vt->vtable [class->vtable_size] */
2077 if (klass->has_static_refs) {
2078 MonoGCDescriptor statics_gc_descr;
2080 gsize default_bitmap [4] = {0};
2083 bitmap = compute_class_bitmap (klass, default_bitmap, sizeof (default_bitmap) * 8, 0, &max_set, TRUE);
2084 /*g_print ("bitmap 0x%x for %s.%s (size: %d)\n", bitmap [0], klass->name_space, klass->name, class_size);*/
2085 statics_gc_descr = mono_gc_make_descr_from_bitmap (bitmap, max_set + 1);
2086 vt->vtable [klass->vtable_size] = mono_gc_alloc_fixed (class_size, statics_gc_descr, MONO_ROOT_SOURCE_STATIC, "managed static variables");
2087 mono_domain_add_class_static_data (domain, klass, vt->vtable [klass->vtable_size], NULL);
2088 if (bitmap != default_bitmap)
2091 vt->vtable [klass->vtable_size] = mono_domain_alloc0 (domain, class_size);
2093 vt->has_static_fields = TRUE;
2094 mono_stats.class_static_data_size += class_size;
2098 while ((field = mono_class_get_fields (klass, &iter))) {
2099 if (!(field->type->attrs & FIELD_ATTRIBUTE_STATIC))
2101 if (mono_field_is_deleted (field))
2103 if (!(field->type->attrs & FIELD_ATTRIBUTE_LITERAL)) {
2104 gint32 special_static = klass->no_special_static_fields ? SPECIAL_STATIC_NONE : field_is_special_static (klass, field);
2105 if (special_static != SPECIAL_STATIC_NONE) {
2106 guint32 size, offset;
2108 gsize default_bitmap [4] = {0};
2113 if (mono_type_is_reference (field->type)) {
2114 default_bitmap [0] = 1;
2116 bitmap = default_bitmap;
2117 } else if (mono_type_is_struct (field->type)) {
2118 fclass = mono_class_from_mono_type (field->type);
2119 bitmap = compute_class_bitmap (fclass, default_bitmap, sizeof (default_bitmap) * 8, - (int)(sizeof (MonoObject) / sizeof (gpointer)), &max_set, FALSE);
2120 numbits = max_set + 1;
2122 default_bitmap [0] = 0;
2124 bitmap = default_bitmap;
2126 size = mono_type_size (field->type, &align);
2127 offset = mono_alloc_special_static_data (special_static, size, align, (uintptr_t*)bitmap, numbits);
2128 if (!domain->special_static_fields)
2129 domain->special_static_fields = g_hash_table_new (NULL, NULL);
2130 g_hash_table_insert (domain->special_static_fields, field, GUINT_TO_POINTER (offset));
2131 if (bitmap != default_bitmap)
2134 * This marks the field as special static to speed up the
2135 * checks in mono_field_static_get/set_value ().
2141 if ((field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_RVA)) {
2142 MonoClass *fklass = mono_class_from_mono_type (field->type);
2143 const char *data = mono_field_get_data (field);
2145 g_assert (!(field->type->attrs & FIELD_ATTRIBUTE_HAS_DEFAULT));
2146 t = (char*)mono_vtable_get_static_field_data (vt) + field->offset;
2147 /* some fields don't really have rva, they are just zeroed (bss? bug #343083) */
2150 if (fklass->valuetype) {
2151 memcpy (t, data, mono_class_value_size (fklass, NULL));
2153 /* it's a pointer type: add check */
2154 g_assert ((fklass->byval_arg.type == MONO_TYPE_PTR) || (fklass->byval_arg.type == MONO_TYPE_FNPTR));
2161 vt->max_interface_id = klass->max_interface_id;
2162 vt->interface_bitmap = klass->interface_bitmap;
2164 //printf ("Initializing VT for class %s (interface_offsets_count = %d)\n",
2165 // class->name, klass->interface_offsets_count);
2167 /* Initialize vtable */
2168 if (callbacks.get_vtable_trampoline) {
2169 // This also covers the AOT case
2170 for (i = 0; i < klass->vtable_size; ++i) {
2171 vt->vtable [i] = callbacks.get_vtable_trampoline (vt, i);
2174 mono_class_setup_vtable (klass);
2176 for (i = 0; i < klass->vtable_size; ++i) {
2179 cm = klass->vtable [i];
2181 vt->vtable [i] = callbacks.create_jit_trampoline (domain, cm, error);
2182 if (!is_ok (error)) {
2183 mono_domain_unlock (domain);
2184 mono_loader_unlock ();
2191 if (imt_table_bytes) {
2192 /* Now that the vtable is full, we can actually fill up the IMT */
2193 for (i = 0; i < MONO_IMT_SIZE; ++i)
2194 interface_offsets [i] = callbacks.get_imt_trampoline (vt, i);
2198 * FIXME: Is it ok to allocate while holding the domain/loader locks ? If not, we can release them, allocate, then
2199 * re-acquire them and check if another thread has created the vtable in the meantime.
2201 /* Special case System.MonoType to avoid infinite recursion */
2202 if (klass != mono_defaults.monotype_class) {
2203 vt->type = mono_type_get_object_checked (domain, &klass->byval_arg, error);
2204 if (!is_ok (error)) {
2205 mono_domain_unlock (domain);
2206 mono_loader_unlock ();
2210 if (mono_object_get_class ((MonoObject *)vt->type) != mono_defaults.monotype_class)
2211 /* This is unregistered in
2212 unregister_vtable_reflection_type() in
2214 MONO_GC_REGISTER_ROOT_IF_MOVING(vt->type, MONO_ROOT_SOURCE_REFLECTION, "vtable reflection type");
2217 mono_vtable_set_is_remote (vt, mono_class_is_contextbound (klass));
2219 /* class_vtable_array keeps an array of created vtables
2221 g_ptr_array_add (domain->class_vtable_array, vt);
2222 /* klass->runtime_info is protected by the loader lock, both when
2223 * it it enlarged and when it is stored info.
2227 * Store the vtable in klass->runtime_info.
2228 * klass->runtime_info is accessed without locking, so this do this last after the vtable has been constructed.
2230 mono_memory_barrier ();
2232 old_info = klass->runtime_info;
2233 if (old_info && old_info->max_domain >= domain->domain_id) {
2234 /* someone already created a large enough runtime info */
2235 old_info->domain_vtables [domain->domain_id] = vt;
2237 int new_size = domain->domain_id;
2239 new_size = MAX (new_size, old_info->max_domain);
2241 /* make the new size a power of two */
2243 while (new_size > i)
2246 /* this is a bounded memory retention issue: may want to
2247 * handle it differently when we'll have a rcu-like system.
2249 runtime_info = (MonoClassRuntimeInfo *)mono_image_alloc0 (klass->image, MONO_SIZEOF_CLASS_RUNTIME_INFO + new_size * sizeof (gpointer));
2250 runtime_info->max_domain = new_size - 1;
2251 /* copy the stuff from the older info */
2253 memcpy (runtime_info->domain_vtables, old_info->domain_vtables, (old_info->max_domain + 1) * sizeof (gpointer));
2255 runtime_info->domain_vtables [domain->domain_id] = vt;
2257 mono_memory_barrier ();
2258 klass->runtime_info = runtime_info;
2261 if (klass == mono_defaults.monotype_class) {
2262 vt->type = mono_type_get_object_checked (domain, &klass->byval_arg, error);
2263 if (!is_ok (error)) {
2264 mono_domain_unlock (domain);
2265 mono_loader_unlock ();
2269 if (mono_object_get_class ((MonoObject *)vt->type) != mono_defaults.monotype_class)
2270 /* This is unregistered in
2271 unregister_vtable_reflection_type() in
2273 MONO_GC_REGISTER_ROOT_IF_MOVING(vt->type, MONO_ROOT_SOURCE_REFLECTION, "vtable reflection type");
2276 mono_domain_unlock (domain);
2277 mono_loader_unlock ();
2279 /* make sure the parent is initialized */
2280 /*FIXME shouldn't this fail the current type?*/
2282 mono_class_vtable_full (domain, klass->parent, error);
2287 #ifndef DISABLE_REMOTING
2289 * mono_class_proxy_vtable:
2290 * @domain: the application domain
2291 * @remove_class: the remote class
2293 * Creates a vtable for transparent proxies. It is basically
2294 * a copy of the real vtable of the class wrapped in @remote_class,
2295 * but all function pointers invoke the remoting functions, and
2296 * vtable->klass points to the transparent proxy class, and not to @class.
2299 mono_class_proxy_vtable (MonoDomain *domain, MonoRemoteClass *remote_class, MonoRemotingTarget target_type)
2301 MONO_REQ_GC_UNSAFE_MODE;
2304 MonoVTable *vt, *pvt;
2305 int i, j, vtsize, max_interface_id, extra_interface_vtsize = 0;
2307 GSList *extra_interfaces = NULL;
2308 MonoClass *klass = remote_class->proxy_class;
2309 gpointer *interface_offsets;
2312 size_t imt_table_bytes;
2314 #ifdef COMPRESSED_INTERFACE_BITMAP
2318 vt = mono_class_vtable (domain, klass);
2319 g_assert (vt); /*FIXME property handle failure*/
2320 max_interface_id = vt->max_interface_id;
2322 /* Calculate vtable space for extra interfaces */
2323 for (j = 0; j < remote_class->interface_count; j++) {
2324 MonoClass* iclass = remote_class->interfaces[j];
2328 /*FIXME test for interfaces with variant generic arguments*/
2329 if (MONO_CLASS_IMPLEMENTS_INTERFACE (klass, iclass->interface_id))
2330 continue; /* interface implemented by the class */
2331 if (g_slist_find (extra_interfaces, iclass))
2334 extra_interfaces = g_slist_prepend (extra_interfaces, iclass);
2336 method_count = mono_class_num_methods (iclass);
2338 ifaces = mono_class_get_implemented_interfaces (iclass, &error);
2339 g_assert (mono_error_ok (&error)); /*FIXME do proper error handling*/
2341 for (i = 0; i < ifaces->len; ++i) {
2342 MonoClass *ic = (MonoClass *)g_ptr_array_index (ifaces, i);
2343 /*FIXME test for interfaces with variant generic arguments*/
2344 if (MONO_CLASS_IMPLEMENTS_INTERFACE (klass, ic->interface_id))
2345 continue; /* interface implemented by the class */
2346 if (g_slist_find (extra_interfaces, ic))
2348 extra_interfaces = g_slist_prepend (extra_interfaces, ic);
2349 method_count += mono_class_num_methods (ic);
2351 g_ptr_array_free (ifaces, TRUE);
2354 extra_interface_vtsize += method_count * sizeof (gpointer);
2355 if (iclass->max_interface_id > max_interface_id) max_interface_id = iclass->max_interface_id;
2358 imt_table_bytes = sizeof (gpointer) * MONO_IMT_SIZE;
2359 mono_stats.imt_number_of_tables++;
2360 mono_stats.imt_tables_size += imt_table_bytes;
2362 vtsize = imt_table_bytes + MONO_SIZEOF_VTABLE + klass->vtable_size * sizeof (gpointer);
2364 mono_stats.class_vtable_size += vtsize + extra_interface_vtsize;
2366 interface_offsets = alloc_vtable (domain, vtsize + extra_interface_vtsize, imt_table_bytes);
2367 pvt = (MonoVTable*) ((char*)interface_offsets + imt_table_bytes);
2368 g_assert (!((gsize)pvt & 7));
2370 memcpy (pvt, vt, MONO_SIZEOF_VTABLE + klass->vtable_size * sizeof (gpointer));
2372 pvt->klass = mono_defaults.transparent_proxy_class;
2373 /* we need to keep the GC descriptor for a transparent proxy or we confuse the precise GC */
2374 pvt->gc_descr = mono_defaults.transparent_proxy_class->gc_descr;
2376 /* initialize vtable */
2377 mono_class_setup_vtable (klass);
2378 for (i = 0; i < klass->vtable_size; ++i) {
2381 if ((cm = klass->vtable [i]))
2382 pvt->vtable [i] = arch_create_remoting_trampoline (domain, cm, target_type);
2384 pvt->vtable [i] = NULL;
2387 if (klass->flags & TYPE_ATTRIBUTE_ABSTRACT) {
2388 /* create trampolines for abstract methods */
2389 for (k = klass; k; k = k->parent) {
2391 gpointer iter = NULL;
2392 while ((m = mono_class_get_methods (k, &iter)))
2393 if (!pvt->vtable [m->slot])
2394 pvt->vtable [m->slot] = arch_create_remoting_trampoline (domain, m, target_type);
2398 pvt->max_interface_id = max_interface_id;
2399 bsize = sizeof (guint8) * (max_interface_id/8 + 1 );
2400 #ifdef COMPRESSED_INTERFACE_BITMAP
2401 bitmap = (uint8_t *)g_malloc0 (bsize);
2403 bitmap = (uint8_t *)mono_domain_alloc0 (domain, bsize);
2406 for (i = 0; i < klass->interface_offsets_count; ++i) {
2407 int interface_id = klass->interfaces_packed [i]->interface_id;
2408 bitmap [interface_id >> 3] |= (1 << (interface_id & 7));
2411 if (extra_interfaces) {
2412 int slot = klass->vtable_size;
2418 /* Create trampolines for the methods of the interfaces */
2419 for (list_item = extra_interfaces; list_item != NULL; list_item=list_item->next) {
2420 interf = (MonoClass *)list_item->data;
2422 bitmap [interf->interface_id >> 3] |= (1 << (interf->interface_id & 7));
2426 while ((cm = mono_class_get_methods (interf, &iter)))
2427 pvt->vtable [slot + j++] = arch_create_remoting_trampoline (domain, cm, target_type);
2429 slot += mono_class_num_methods (interf);
2433 /* Now that the vtable is full, we can actually fill up the IMT */
2434 build_imt (klass, pvt, domain, interface_offsets, extra_interfaces);
2435 if (extra_interfaces) {
2436 g_slist_free (extra_interfaces);
2439 #ifdef COMPRESSED_INTERFACE_BITMAP
2440 bcsize = mono_compress_bitmap (NULL, bitmap, bsize);
2441 pvt->interface_bitmap = mono_domain_alloc0 (domain, bcsize);
2442 mono_compress_bitmap (pvt->interface_bitmap, bitmap, bsize);
2445 pvt->interface_bitmap = bitmap;
2450 #endif /* DISABLE_REMOTING */
2453 * mono_class_field_is_special_static:
2455 * Returns whether @field is a thread/context static field.
2458 mono_class_field_is_special_static (MonoClassField *field)
2460 MONO_REQ_GC_NEUTRAL_MODE
2462 if (!(field->type->attrs & FIELD_ATTRIBUTE_STATIC))
2464 if (mono_field_is_deleted (field))
2466 if (!(field->type->attrs & FIELD_ATTRIBUTE_LITERAL)) {
2467 if (field_is_special_static (field->parent, field) != SPECIAL_STATIC_NONE)
2474 * mono_class_field_get_special_static_type:
2475 * @field: The MonoClassField describing the field.
2477 * Returns: SPECIAL_STATIC_THREAD if the field is thread static, SPECIAL_STATIC_CONTEXT if it is context static,
2478 * SPECIAL_STATIC_NONE otherwise.
2481 mono_class_field_get_special_static_type (MonoClassField *field)
2483 MONO_REQ_GC_NEUTRAL_MODE
2485 if (!(field->type->attrs & FIELD_ATTRIBUTE_STATIC))
2486 return SPECIAL_STATIC_NONE;
2487 if (mono_field_is_deleted (field))
2488 return SPECIAL_STATIC_NONE;
2489 if (!(field->type->attrs & FIELD_ATTRIBUTE_LITERAL))
2490 return field_is_special_static (field->parent, field);
2491 return SPECIAL_STATIC_NONE;
2495 * mono_class_has_special_static_fields:
2497 * Returns whenever @klass has any thread/context static fields.
2500 mono_class_has_special_static_fields (MonoClass *klass)
2502 MONO_REQ_GC_NEUTRAL_MODE
2504 MonoClassField *field;
2508 while ((field = mono_class_get_fields (klass, &iter))) {
2509 g_assert (field->parent == klass);
2510 if (mono_class_field_is_special_static (field))
2517 #ifndef DISABLE_REMOTING
2519 * create_remote_class_key:
2520 * Creates an array of pointers that can be used as a hash key for a remote class.
2521 * The first element of the array is the number of pointers.
2524 create_remote_class_key (MonoRemoteClass *remote_class, MonoClass *extra_class)
2526 MONO_REQ_GC_NEUTRAL_MODE;
2531 if (remote_class == NULL) {
2532 if (extra_class->flags & TYPE_ATTRIBUTE_INTERFACE) {
2533 key = (void **)g_malloc (sizeof(gpointer) * 3);
2534 key [0] = GINT_TO_POINTER (2);
2535 key [1] = mono_defaults.marshalbyrefobject_class;
2536 key [2] = extra_class;
2538 key = (void **)g_malloc (sizeof(gpointer) * 2);
2539 key [0] = GINT_TO_POINTER (1);
2540 key [1] = extra_class;
2543 if (extra_class != NULL && (extra_class->flags & TYPE_ATTRIBUTE_INTERFACE)) {
2544 key = (void **)g_malloc (sizeof(gpointer) * (remote_class->interface_count + 3));
2545 key [0] = GINT_TO_POINTER (remote_class->interface_count + 2);
2546 key [1] = remote_class->proxy_class;
2548 // Keep the list of interfaces sorted
2549 for (i = 0, j = 2; i < remote_class->interface_count; i++, j++) {
2550 if (extra_class && remote_class->interfaces [i] > extra_class) {
2551 key [j++] = extra_class;
2554 key [j] = remote_class->interfaces [i];
2557 key [j] = extra_class;
2559 // Replace the old class. The interface list is the same
2560 key = (void **)g_malloc (sizeof(gpointer) * (remote_class->interface_count + 2));
2561 key [0] = GINT_TO_POINTER (remote_class->interface_count + 1);
2562 key [1] = extra_class != NULL ? extra_class : remote_class->proxy_class;
2563 for (i = 0; i < remote_class->interface_count; i++)
2564 key [2 + i] = remote_class->interfaces [i];
2572 * copy_remote_class_key:
2574 * Make a copy of KEY in the domain and return the copy.
2577 copy_remote_class_key (MonoDomain *domain, gpointer *key)
2579 MONO_REQ_GC_NEUTRAL_MODE
2581 int key_size = (GPOINTER_TO_UINT (key [0]) + 1) * sizeof (gpointer);
2582 gpointer *mp_key = (gpointer *)mono_domain_alloc (domain, key_size);
2584 memcpy (mp_key, key, key_size);
2590 * mono_remote_class:
2591 * @domain: the application domain
2592 * @class_name: name of the remote class
2593 * @error: set on error
2595 * Creates and initializes a MonoRemoteClass object for a remote type.
2597 * On failure returns NULL and sets @error
2600 mono_remote_class (MonoDomain *domain, MonoString *class_name, MonoClass *proxy_class, MonoError *error)
2602 MONO_REQ_GC_UNSAFE_MODE;
2604 MonoRemoteClass *rc;
2605 gpointer* key, *mp_key;
2608 mono_error_init (error);
2610 key = create_remote_class_key (NULL, proxy_class);
2612 mono_domain_lock (domain);
2613 rc = (MonoRemoteClass *)g_hash_table_lookup (domain->proxy_vtable_hash, key);
2617 mono_domain_unlock (domain);
2621 name = mono_string_to_utf8_mp (domain->mp, class_name, error);
2622 if (!is_ok (error)) {
2624 mono_domain_unlock (domain);
2628 mp_key = copy_remote_class_key (domain, key);
2632 if (proxy_class->flags & TYPE_ATTRIBUTE_INTERFACE) {
2633 rc = (MonoRemoteClass *)mono_domain_alloc (domain, MONO_SIZEOF_REMOTE_CLASS + sizeof(MonoClass*));
2634 rc->interface_count = 1;
2635 rc->interfaces [0] = proxy_class;
2636 rc->proxy_class = mono_defaults.marshalbyrefobject_class;
2638 rc = (MonoRemoteClass *)mono_domain_alloc (domain, MONO_SIZEOF_REMOTE_CLASS);
2639 rc->interface_count = 0;
2640 rc->proxy_class = proxy_class;
2643 rc->default_vtable = NULL;
2644 rc->xdomain_vtable = NULL;
2645 rc->proxy_class_name = name;
2646 #ifndef DISABLE_PERFCOUNTERS
2647 mono_perfcounters->loader_bytes += mono_string_length (class_name) + 1;
2650 g_hash_table_insert (domain->proxy_vtable_hash, key, rc);
2652 mono_domain_unlock (domain);
2657 * clone_remote_class:
2658 * Creates a copy of the remote_class, adding the provided class or interface
2660 static MonoRemoteClass*
2661 clone_remote_class (MonoDomain *domain, MonoRemoteClass* remote_class, MonoClass *extra_class)
2663 MONO_REQ_GC_NEUTRAL_MODE;
2665 MonoRemoteClass *rc;
2666 gpointer* key, *mp_key;
2668 key = create_remote_class_key (remote_class, extra_class);
2669 rc = (MonoRemoteClass *)g_hash_table_lookup (domain->proxy_vtable_hash, key);
2675 mp_key = copy_remote_class_key (domain, key);
2679 if (extra_class->flags & TYPE_ATTRIBUTE_INTERFACE) {
2681 rc = (MonoRemoteClass *)mono_domain_alloc (domain, MONO_SIZEOF_REMOTE_CLASS + sizeof(MonoClass*) * (remote_class->interface_count + 1));
2682 rc->proxy_class = remote_class->proxy_class;
2683 rc->interface_count = remote_class->interface_count + 1;
2685 // Keep the list of interfaces sorted, since the hash key of
2686 // the remote class depends on this
2687 for (i = 0, j = 0; i < remote_class->interface_count; i++, j++) {
2688 if (remote_class->interfaces [i] > extra_class && i == j)
2689 rc->interfaces [j++] = extra_class;
2690 rc->interfaces [j] = remote_class->interfaces [i];
2693 rc->interfaces [j] = extra_class;
2695 // Replace the old class. The interface array is the same
2696 rc = (MonoRemoteClass *)mono_domain_alloc (domain, MONO_SIZEOF_REMOTE_CLASS + sizeof(MonoClass*) * remote_class->interface_count);
2697 rc->proxy_class = extra_class;
2698 rc->interface_count = remote_class->interface_count;
2699 if (rc->interface_count > 0)
2700 memcpy (rc->interfaces, remote_class->interfaces, rc->interface_count * sizeof (MonoClass*));
2703 rc->default_vtable = NULL;
2704 rc->xdomain_vtable = NULL;
2705 rc->proxy_class_name = remote_class->proxy_class_name;
2707 g_hash_table_insert (domain->proxy_vtable_hash, key, rc);
2713 mono_remote_class_vtable (MonoDomain *domain, MonoRemoteClass *remote_class, MonoRealProxy *rp)
2715 MONO_REQ_GC_UNSAFE_MODE;
2717 mono_loader_lock (); /*FIXME mono_class_from_mono_type and mono_class_proxy_vtable take it*/
2718 mono_domain_lock (domain);
2719 if (rp->target_domain_id != -1) {
2720 if (remote_class->xdomain_vtable == NULL)
2721 remote_class->xdomain_vtable = mono_class_proxy_vtable (domain, remote_class, MONO_REMOTING_TARGET_APPDOMAIN);
2722 mono_domain_unlock (domain);
2723 mono_loader_unlock ();
2724 return remote_class->xdomain_vtable;
2726 if (remote_class->default_vtable == NULL) {
2729 type = ((MonoReflectionType *)rp->class_to_proxy)->type;
2730 klass = mono_class_from_mono_type (type);
2732 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)))
2733 remote_class->default_vtable = mono_class_proxy_vtable (domain, remote_class, MONO_REMOTING_TARGET_COMINTEROP);
2736 remote_class->default_vtable = mono_class_proxy_vtable (domain, remote_class, MONO_REMOTING_TARGET_UNKNOWN);
2739 mono_domain_unlock (domain);
2740 mono_loader_unlock ();
2741 return remote_class->default_vtable;
2745 * mono_upgrade_remote_class:
2746 * @domain: the application domain
2747 * @tproxy: the proxy whose remote class has to be upgraded.
2748 * @klass: class to which the remote class can be casted.
2750 * Updates the vtable of the remote class by adding the necessary method slots
2751 * and interface offsets so it can be safely casted to klass. klass can be a
2752 * class or an interface.
2755 mono_upgrade_remote_class (MonoDomain *domain, MonoObject *proxy_object, MonoClass *klass)
2757 MONO_REQ_GC_UNSAFE_MODE;
2759 MonoTransparentProxy *tproxy;
2760 MonoRemoteClass *remote_class;
2761 gboolean redo_vtable;
2763 mono_loader_lock (); /*FIXME mono_remote_class_vtable requires it.*/
2764 mono_domain_lock (domain);
2766 tproxy = (MonoTransparentProxy*) proxy_object;
2767 remote_class = tproxy->remote_class;
2769 if (klass->flags & TYPE_ATTRIBUTE_INTERFACE) {
2772 for (i = 0; i < remote_class->interface_count && redo_vtable; i++)
2773 if (remote_class->interfaces [i] == klass)
2774 redo_vtable = FALSE;
2777 redo_vtable = (remote_class->proxy_class != klass);
2781 tproxy->remote_class = clone_remote_class (domain, remote_class, klass);
2782 proxy_object->vtable = (MonoVTable *)mono_remote_class_vtable (domain, tproxy->remote_class, tproxy->rp);
2785 mono_domain_unlock (domain);
2786 mono_loader_unlock ();
2788 #endif /* DISABLE_REMOTING */
2792 * mono_object_get_virtual_method:
2793 * @obj: object to operate on.
2796 * Retrieves the MonoMethod that would be called on obj if obj is passed as
2797 * the instance of a callvirt of method.
2800 mono_object_get_virtual_method (MonoObject *obj, MonoMethod *method)
2802 MONO_REQ_GC_UNSAFE_MODE;
2805 MonoMethod **vtable;
2806 gboolean is_proxy = FALSE;
2807 MonoMethod *res = NULL;
2809 klass = mono_object_class (obj);
2810 #ifndef DISABLE_REMOTING
2811 if (klass == mono_defaults.transparent_proxy_class) {
2812 klass = ((MonoTransparentProxy *)obj)->remote_class->proxy_class;
2817 if (!is_proxy && ((method->flags & METHOD_ATTRIBUTE_FINAL) || !(method->flags & METHOD_ATTRIBUTE_VIRTUAL)))
2820 mono_class_setup_vtable (klass);
2821 vtable = klass->vtable;
2823 if (method->slot == -1) {
2824 /* method->slot might not be set for instances of generic methods */
2825 if (method->is_inflated) {
2826 g_assert (((MonoMethodInflated*)method)->declaring->slot != -1);
2827 method->slot = ((MonoMethodInflated*)method)->declaring->slot;
2830 g_assert_not_reached ();
2834 /* check method->slot is a valid index: perform isinstance? */
2835 if (method->slot != -1) {
2836 if (method->klass->flags & TYPE_ATTRIBUTE_INTERFACE) {
2838 gboolean variance_used = FALSE;
2839 int iface_offset = mono_class_interface_offset_with_variance (klass, method->klass, &variance_used);
2840 g_assert (iface_offset > 0);
2841 res = vtable [iface_offset + method->slot];
2844 res = vtable [method->slot];
2848 #ifndef DISABLE_REMOTING
2850 /* It may be an interface, abstract class method or generic method */
2851 if (!res || mono_method_signature (res)->generic_param_count)
2854 /* generic methods demand invoke_with_check */
2855 if (mono_method_signature (res)->generic_param_count)
2856 res = mono_marshal_get_remoting_invoke_with_check (res);
2859 if (klass == mono_class_get_com_object_class () || mono_class_is_com_object (klass))
2860 res = mono_cominterop_get_invoke (res);
2863 res = mono_marshal_get_remoting_invoke (res);
2868 if (method->is_inflated) {
2870 /* Have to inflate the result */
2871 res = mono_class_inflate_generic_method_checked (res, &((MonoMethodInflated*)method)->context, &error);
2872 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
2882 do_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc, MonoError *error)
2884 MONO_REQ_GC_UNSAFE_MODE;
2886 MonoObject *result = NULL;
2888 g_assert (callbacks.runtime_invoke);
2890 mono_error_init (error);
2892 if (mono_profiler_get_events () & MONO_PROFILE_METHOD_EVENTS)
2893 mono_profiler_method_start_invoke (method);
2895 MONO_PREPARE_RESET_BLOCKING;
2897 result = callbacks.runtime_invoke (method, obj, params, exc, error);
2899 MONO_FINISH_RESET_BLOCKING;
2901 if (mono_profiler_get_events () & MONO_PROFILE_METHOD_EVENTS)
2902 mono_profiler_method_end_invoke (method);
2904 if (!mono_error_ok (error))
2911 * mono_runtime_invoke:
2912 * @method: method to invoke
2913 * @obJ: object instance
2914 * @params: arguments to the method
2915 * @exc: exception information.
2917 * Invokes the method represented by @method on the object @obj.
2919 * obj is the 'this' pointer, it should be NULL for static
2920 * methods, a MonoObject* for object instances and a pointer to
2921 * the value type for value types.
2923 * The params array contains the arguments to the method with the
2924 * same convention: MonoObject* pointers for object instances and
2925 * pointers to the value type otherwise.
2927 * From unmanaged code you'll usually use the
2928 * mono_runtime_invoke() variant.
2930 * Note that this function doesn't handle virtual methods for
2931 * you, it will exec the exact method you pass: we still need to
2932 * expose a function to lookup the derived class implementation
2933 * of a virtual method (there are examples of this in the code,
2936 * You can pass NULL as the exc argument if you don't want to
2937 * catch exceptions, otherwise, *exc will be set to the exception
2938 * thrown, if any. if an exception is thrown, you can't use the
2939 * MonoObject* result from the function.
2941 * If the method returns a value type, it is boxed in an object
2945 mono_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
2950 res = mono_runtime_try_invoke (method, obj, params, exc, &error);
2951 if (*exc == NULL && !mono_error_ok(&error)) {
2952 *exc = (MonoObject*) mono_error_convert_to_exception (&error);
2954 mono_error_cleanup (&error);
2956 res = mono_runtime_invoke_checked (method, obj, params, &error);
2957 mono_error_raise_exception (&error);
2963 * mono_runtime_try_invoke:
2964 * @method: method to invoke
2965 * @obJ: object instance
2966 * @params: arguments to the method
2967 * @exc: exception information.
2968 * @error: set on error
2970 * Invokes the method represented by @method on the object @obj.
2972 * obj is the 'this' pointer, it should be NULL for static
2973 * methods, a MonoObject* for object instances and a pointer to
2974 * the value type for value types.
2976 * The params array contains the arguments to the method with the
2977 * same convention: MonoObject* pointers for object instances and
2978 * pointers to the value type otherwise.
2980 * From unmanaged code you'll usually use the
2981 * mono_runtime_invoke() variant.
2983 * Note that this function doesn't handle virtual methods for
2984 * you, it will exec the exact method you pass: we still need to
2985 * expose a function to lookup the derived class implementation
2986 * of a virtual method (there are examples of this in the code,
2989 * For this function, you must not pass NULL as the exc argument if
2990 * you don't want to catch exceptions, use
2991 * mono_runtime_invoke_checked(). If an exception is thrown, you
2992 * can't use the MonoObject* result from the function.
2994 * If this method cannot be invoked, @error will be set and @exc and
2995 * the return value must not be used.
2997 * If the method returns a value type, it is boxed in an object
3001 mono_runtime_try_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc, MonoError* error)
3003 MONO_REQ_GC_UNSAFE_MODE;
3005 g_assert (exc != NULL);
3007 if (mono_runtime_get_no_exec ())
3008 g_warning ("Invoking method '%s' when running in no-exec mode.\n", mono_method_full_name (method, TRUE));
3010 return do_runtime_invoke (method, obj, params, exc, error);
3014 * mono_runtime_invoke_checked:
3015 * @method: method to invoke
3016 * @obJ: object instance
3017 * @params: arguments to the method
3018 * @error: set on error
3020 * Invokes the method represented by @method on the object @obj.
3022 * obj is the 'this' pointer, it should be NULL for static
3023 * methods, a MonoObject* for object instances and a pointer to
3024 * the value type for value types.
3026 * The params array contains the arguments to the method with the
3027 * same convention: MonoObject* pointers for object instances and
3028 * pointers to the value type otherwise.
3030 * From unmanaged code you'll usually use the
3031 * mono_runtime_invoke() variant.
3033 * Note that this function doesn't handle virtual methods for
3034 * you, it will exec the exact method you pass: we still need to
3035 * expose a function to lookup the derived class implementation
3036 * of a virtual method (there are examples of this in the code,
3039 * If an exception is thrown, you can't use the MonoObject* result
3040 * from the function.
3042 * If this method cannot be invoked, @error will be set. If the
3043 * method throws an exception (and we're in coop mode) the exception
3044 * will be set in @error.
3046 * If the method returns a value type, it is boxed in an object
3050 mono_runtime_invoke_checked (MonoMethod *method, void *obj, void **params, MonoError* error)
3052 MONO_REQ_GC_UNSAFE_MODE;
3054 if (mono_runtime_get_no_exec ())
3055 g_warning ("Invoking method '%s' when running in no-exec mode.\n", mono_method_full_name (method, TRUE));
3057 return do_runtime_invoke (method, obj, params, NULL, error);
3061 * mono_method_get_unmanaged_thunk:
3062 * @method: method to generate a thunk for.
3064 * Returns an unmanaged->managed thunk that can be used to call
3065 * a managed method directly from C.
3067 * The thunk's C signature closely matches the managed signature:
3069 * C#: public bool Equals (object obj);
3070 * C: typedef MonoBoolean (*Equals)(MonoObject*,
3071 * MonoObject*, MonoException**);
3073 * The 1st ("this") parameter must not be used with static methods:
3075 * C#: public static bool ReferenceEquals (object a, object b);
3076 * C: typedef MonoBoolean (*ReferenceEquals)(MonoObject*, MonoObject*,
3079 * The last argument must be a non-null pointer of a MonoException* pointer.
3080 * It has "out" semantics. After invoking the thunk, *ex will be NULL if no
3081 * exception has been thrown in managed code. Otherwise it will point
3082 * to the MonoException* caught by the thunk. In this case, the result of
3083 * the thunk is undefined:
3085 * MonoMethod *method = ... // MonoMethod* of System.Object.Equals
3086 * MonoException *ex = NULL;
3087 * Equals func = mono_method_get_unmanaged_thunk (method);
3088 * MonoBoolean res = func (thisObj, objToCompare, &ex);
3090 * // handle exception
3093 * The calling convention of the thunk matches the platform's default
3094 * convention. This means that under Windows, C declarations must
3095 * contain the __stdcall attribute:
3097 * C: typedef MonoBoolean (__stdcall *Equals)(MonoObject*,
3098 * MonoObject*, MonoException**);
3102 * Value type arguments and return values are treated as they were objects:
3104 * C#: public static Rectangle Intersect (Rectangle a, Rectangle b);
3105 * C: typedef MonoObject* (*Intersect)(MonoObject*, MonoObject*, MonoException**);
3107 * Arguments must be properly boxed upon trunk's invocation, while return
3108 * values must be unboxed.
3111 mono_method_get_unmanaged_thunk (MonoMethod *method)
3113 MONO_REQ_GC_NEUTRAL_MODE;
3114 MONO_REQ_API_ENTRYPOINT;
3118 MONO_PREPARE_RESET_BLOCKING;
3119 method = mono_marshal_get_thunk_invoke_wrapper (method);
3120 res = mono_compile_method (method);
3121 MONO_FINISH_RESET_BLOCKING;
3127 mono_copy_value (MonoType *type, void *dest, void *value, int deref_pointer)
3129 MONO_REQ_GC_UNSAFE_MODE;
3133 /* object fields cannot be byref, so we don't need a
3135 gpointer *p = (gpointer*)dest;
3142 case MONO_TYPE_BOOLEAN:
3144 case MONO_TYPE_U1: {
3145 guint8 *p = (guint8*)dest;
3146 *p = value ? *(guint8*)value : 0;
3151 case MONO_TYPE_CHAR: {
3152 guint16 *p = (guint16*)dest;
3153 *p = value ? *(guint16*)value : 0;
3156 #if SIZEOF_VOID_P == 4
3161 case MONO_TYPE_U4: {
3162 gint32 *p = (gint32*)dest;
3163 *p = value ? *(gint32*)value : 0;
3166 #if SIZEOF_VOID_P == 8
3171 case MONO_TYPE_U8: {
3172 gint64 *p = (gint64*)dest;
3173 *p = value ? *(gint64*)value : 0;
3176 case MONO_TYPE_R4: {
3177 float *p = (float*)dest;
3178 *p = value ? *(float*)value : 0;
3181 case MONO_TYPE_R8: {
3182 double *p = (double*)dest;
3183 *p = value ? *(double*)value : 0;
3186 case MONO_TYPE_STRING:
3187 case MONO_TYPE_SZARRAY:
3188 case MONO_TYPE_CLASS:
3189 case MONO_TYPE_OBJECT:
3190 case MONO_TYPE_ARRAY:
3191 mono_gc_wbarrier_generic_store (dest, deref_pointer ? *(MonoObject **)value : (MonoObject *)value);
3193 case MONO_TYPE_FNPTR:
3194 case MONO_TYPE_PTR: {
3195 gpointer *p = (gpointer*)dest;
3196 *p = deref_pointer? *(gpointer*)value: value;
3199 case MONO_TYPE_VALUETYPE:
3200 /* note that 't' and 'type->type' can be different */
3201 if (type->type == MONO_TYPE_VALUETYPE && type->data.klass->enumtype) {
3202 t = mono_class_enum_basetype (type->data.klass)->type;
3205 MonoClass *klass = mono_class_from_mono_type (type);
3206 int size = mono_class_value_size (klass, NULL);
3208 mono_gc_bzero_atomic (dest, size);
3210 mono_gc_wbarrier_value_copy (dest, value, 1, klass);
3213 case MONO_TYPE_GENERICINST:
3214 t = type->data.generic_class->container_class->byval_arg.type;
3217 g_error ("got type %x", type->type);
3222 * mono_field_set_value:
3223 * @obj: Instance object
3224 * @field: MonoClassField describing the field to set
3225 * @value: The value to be set
3227 * Sets the value of the field described by @field in the object instance @obj
3228 * to the value passed in @value. This method should only be used for instance
3229 * fields. For static fields, use mono_field_static_set_value.
3231 * The value must be on the native format of the field type.
3234 mono_field_set_value (MonoObject *obj, MonoClassField *field, void *value)
3236 MONO_REQ_GC_UNSAFE_MODE;
3240 g_return_if_fail (!(field->type->attrs & FIELD_ATTRIBUTE_STATIC));
3242 dest = (char*)obj + field->offset;
3243 mono_copy_value (field->type, dest, value, FALSE);
3247 * mono_field_static_set_value:
3248 * @field: MonoClassField describing the field to set
3249 * @value: The value to be set
3251 * Sets the value of the static field described by @field
3252 * to the value passed in @value.
3254 * The value must be on the native format of the field type.
3257 mono_field_static_set_value (MonoVTable *vt, MonoClassField *field, void *value)
3259 MONO_REQ_GC_UNSAFE_MODE;
3263 g_return_if_fail (field->type->attrs & FIELD_ATTRIBUTE_STATIC);
3264 /* you cant set a constant! */
3265 g_return_if_fail (!(field->type->attrs & FIELD_ATTRIBUTE_LITERAL));
3267 if (field->offset == -1) {
3268 /* Special static */
3271 mono_domain_lock (vt->domain);
3272 addr = g_hash_table_lookup (vt->domain->special_static_fields, field);
3273 mono_domain_unlock (vt->domain);
3274 dest = mono_get_special_static_data (GPOINTER_TO_UINT (addr));
3276 dest = (char*)mono_vtable_get_static_field_data (vt) + field->offset;
3278 mono_copy_value (field->type, dest, value, FALSE);
3282 * mono_vtable_get_static_field_data:
3284 * Internal use function: return a pointer to the memory holding the static fields
3285 * for a class or NULL if there are no static fields.
3286 * This is exported only for use by the debugger.
3289 mono_vtable_get_static_field_data (MonoVTable *vt)
3291 MONO_REQ_GC_NEUTRAL_MODE
3293 if (!vt->has_static_fields)
3295 return vt->vtable [vt->klass->vtable_size];
3299 mono_field_get_addr (MonoObject *obj, MonoVTable *vt, MonoClassField *field)
3301 MONO_REQ_GC_UNSAFE_MODE;
3305 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC) {
3306 if (field->offset == -1) {
3307 /* Special static */
3310 mono_domain_lock (vt->domain);
3311 addr = g_hash_table_lookup (vt->domain->special_static_fields, field);
3312 mono_domain_unlock (vt->domain);
3313 src = (guint8 *)mono_get_special_static_data (GPOINTER_TO_UINT (addr));
3315 src = (guint8*)mono_vtable_get_static_field_data (vt) + field->offset;
3318 src = (guint8*)obj + field->offset;
3325 * mono_field_get_value:
3326 * @obj: Object instance
3327 * @field: MonoClassField describing the field to fetch information from
3328 * @value: pointer to the location where the value will be stored
3330 * Use this routine to get the value of the field @field in the object
3333 * The pointer provided by value must be of the field type, for reference
3334 * types this is a MonoObject*, for value types its the actual pointer to
3339 * mono_field_get_value (obj, int_field, &i);
3342 mono_field_get_value (MonoObject *obj, MonoClassField *field, void *value)
3344 MONO_REQ_GC_UNSAFE_MODE;
3350 g_return_if_fail (!(field->type->attrs & FIELD_ATTRIBUTE_STATIC));
3352 src = (char*)obj + field->offset;
3353 mono_copy_value (field->type, value, src, TRUE);
3357 * mono_field_get_value_object:
3358 * @domain: domain where the object will be created (if boxing)
3359 * @field: MonoClassField describing the field to fetch information from
3360 * @obj: The object instance for the field.
3362 * Returns: a new MonoObject with the value from the given field. If the
3363 * field represents a value type, the value is boxed.
3367 mono_field_get_value_object (MonoDomain *domain, MonoClassField *field, MonoObject *obj)
3370 MonoObject* result = mono_field_get_value_object_checked (domain, field, obj, &error);
3371 mono_error_assert_ok (&error);
3376 * mono_field_get_value_object_checked:
3377 * @domain: domain where the object will be created (if boxing)
3378 * @field: MonoClassField describing the field to fetch information from
3379 * @obj: The object instance for the field.
3380 * @error: Set on error.
3382 * Returns: a new MonoObject with the value from the given field. If the
3383 * field represents a value type, the value is boxed. On error returns NULL and sets @error.
3387 mono_field_get_value_object_checked (MonoDomain *domain, MonoClassField *field, MonoObject *obj, MonoError *error)
3389 MONO_REQ_GC_UNSAFE_MODE;
3391 mono_error_init (error);
3395 MonoVTable *vtable = NULL;
3397 gboolean is_static = FALSE;
3398 gboolean is_ref = FALSE;
3399 gboolean is_literal = FALSE;
3400 gboolean is_ptr = FALSE;
3401 MonoType *type = mono_field_get_type_checked (field, error);
3403 return_val_if_nok (error, NULL);
3405 switch (type->type) {
3406 case MONO_TYPE_STRING:
3407 case MONO_TYPE_OBJECT:
3408 case MONO_TYPE_CLASS:
3409 case MONO_TYPE_ARRAY:
3410 case MONO_TYPE_SZARRAY:
3415 case MONO_TYPE_BOOLEAN:
3418 case MONO_TYPE_CHAR:
3427 case MONO_TYPE_VALUETYPE:
3428 is_ref = type->byref;
3430 case MONO_TYPE_GENERICINST:
3431 is_ref = !mono_type_generic_inst_is_valuetype (type);
3437 g_error ("type 0x%x not handled in "
3438 "mono_field_get_value_object", type->type);
3442 if (type->attrs & FIELD_ATTRIBUTE_LITERAL)
3445 if (type->attrs & FIELD_ATTRIBUTE_STATIC) {
3449 vtable = mono_class_vtable_full (domain, field->parent, error);
3450 return_val_if_nok (error, NULL);
3452 if (!vtable->initialized) {
3453 mono_runtime_class_init_full (vtable, error);
3454 return_val_if_nok (error, NULL);
3463 get_default_field_value (domain, field, &o, error);
3464 return_val_if_nok (error, NULL);
3465 } else if (is_static) {
3466 mono_field_static_get_value_checked (vtable, field, &o, error);
3467 return_val_if_nok (error, NULL);
3469 mono_field_get_value (obj, field, &o);
3475 static MonoMethod *m;
3481 MonoClass *ptr_klass = mono_class_get_pointer_class ();
3482 m = mono_class_get_method_from_name_flags (ptr_klass, "Box", 2, METHOD_ATTRIBUTE_STATIC);
3488 get_default_field_value (domain, field, v, error);
3489 return_val_if_nok (error, NULL);
3490 } else if (is_static) {
3491 mono_field_static_get_value_checked (vtable, field, v, error);
3492 return_val_if_nok (error, NULL);
3494 mono_field_get_value (obj, field, v);
3497 /* MONO_TYPE_PTR is passed by value to runtime_invoke () */
3498 args [0] = ptr ? *ptr : NULL;
3499 args [1] = mono_type_get_object_checked (mono_domain_get (), type, error);
3500 return_val_if_nok (error, NULL);
3502 o = mono_runtime_invoke_checked (m, NULL, args, error);
3503 return_val_if_nok (error, NULL);
3508 /* boxed value type */
3509 klass = mono_class_from_mono_type (type);
3511 if (mono_class_is_nullable (klass))
3512 return mono_nullable_box (mono_field_get_addr (obj, vtable, field), klass, error);
3514 o = mono_object_new_checked (domain, klass, error);
3515 return_val_if_nok (error, NULL);
3516 v = ((gchar *) o) + sizeof (MonoObject);
3519 get_default_field_value (domain, field, v, error);
3520 return_val_if_nok (error, NULL);
3521 } else if (is_static) {
3522 mono_field_static_get_value_checked (vtable, field, v, error);
3523 return_val_if_nok (error, NULL);
3525 mono_field_get_value (obj, field, v);
3532 mono_get_constant_value_from_blob (MonoDomain* domain, MonoTypeEnum type, const char *blob, void *value, MonoError *error)
3534 MONO_REQ_GC_UNSAFE_MODE;
3536 mono_error_init (error);
3538 const char *p = blob;
3539 mono_metadata_decode_blob_size (p, &p);
3542 case MONO_TYPE_BOOLEAN:
3545 *(guint8 *) value = *p;
3547 case MONO_TYPE_CHAR:
3550 *(guint16*) value = read16 (p);
3554 *(guint32*) value = read32 (p);
3558 *(guint64*) value = read64 (p);
3561 readr4 (p, (float*) value);
3564 readr8 (p, (double*) value);
3566 case MONO_TYPE_STRING:
3567 *(gpointer*) value = mono_ldstr_metadata_sig (domain, blob, error);
3569 case MONO_TYPE_CLASS:
3570 *(gpointer*) value = NULL;
3574 g_warning ("type 0x%02x should not be in constant table", type);
3580 get_default_field_value (MonoDomain* domain, MonoClassField *field, void *value, MonoError *error)
3582 MONO_REQ_GC_NEUTRAL_MODE;
3584 MonoTypeEnum def_type;
3587 mono_error_init (error);
3589 data = mono_class_get_field_default_value (field, &def_type);
3590 mono_get_constant_value_from_blob (domain, def_type, data, value, error);
3594 mono_field_static_get_value_for_thread (MonoInternalThread *thread, MonoVTable *vt, MonoClassField *field, void *value, MonoError *error)
3596 MONO_REQ_GC_UNSAFE_MODE;
3600 mono_error_init (error);
3602 g_return_if_fail (field->type->attrs & FIELD_ATTRIBUTE_STATIC);
3604 if (field->type->attrs & FIELD_ATTRIBUTE_LITERAL) {
3605 get_default_field_value (vt->domain, field, value, error);
3609 if (field->offset == -1) {
3610 /* Special static */
3611 gpointer addr = g_hash_table_lookup (vt->domain->special_static_fields, field);
3612 src = mono_get_special_static_data_for_thread (thread, GPOINTER_TO_UINT (addr));
3614 src = (char*)mono_vtable_get_static_field_data (vt) + field->offset;
3616 mono_copy_value (field->type, value, src, TRUE);
3620 * mono_field_static_get_value:
3621 * @vt: vtable to the object
3622 * @field: MonoClassField describing the field to fetch information from
3623 * @value: where the value is returned
3625 * Use this routine to get the value of the static field @field value.
3627 * The pointer provided by value must be of the field type, for reference
3628 * types this is a MonoObject*, for value types its the actual pointer to
3633 * mono_field_static_get_value (vt, int_field, &i);
3636 mono_field_static_get_value (MonoVTable *vt, MonoClassField *field, void *value)
3638 MONO_REQ_GC_NEUTRAL_MODE;
3641 mono_field_static_get_value_checked (vt, field, value, &error);
3642 mono_error_cleanup (&error);
3646 * mono_field_static_get_value_checked:
3647 * @vt: vtable to the object
3648 * @field: MonoClassField describing the field to fetch information from
3649 * @value: where the value is returned
3650 * @error: set on error
3652 * Use this routine to get the value of the static field @field value.
3654 * The pointer provided by value must be of the field type, for reference
3655 * types this is a MonoObject*, for value types its the actual pointer to
3660 * mono_field_static_get_value_checked (vt, int_field, &i, error);
3661 * if (!is_ok (error)) { ... }
3663 * On failure sets @error.
3666 mono_field_static_get_value_checked (MonoVTable *vt, MonoClassField *field, void *value, MonoError *error)
3668 MONO_REQ_GC_NEUTRAL_MODE;
3670 mono_field_static_get_value_for_thread (mono_thread_internal_current (), vt, field, value, error);
3674 * mono_property_set_value:
3675 * @prop: MonoProperty to set
3676 * @obj: instance object on which to act
3677 * @params: parameters to pass to the propery
3678 * @exc: optional exception
3680 * Invokes the property's set method with the given arguments on the
3681 * object instance obj (or NULL for static properties).
3683 * You can pass NULL as the exc argument if you don't want to
3684 * catch exceptions, otherwise, *exc will be set to the exception
3685 * thrown, if any. if an exception is thrown, you can't use the
3686 * MonoObject* result from the function.
3689 mono_property_set_value (MonoProperty *prop, void *obj, void **params, MonoObject **exc)
3691 MONO_REQ_GC_UNSAFE_MODE;
3694 do_runtime_invoke (prop->set, obj, params, exc, &error);
3695 if (exc && *exc == NULL && !mono_error_ok (&error)) {
3696 *exc = (MonoObject*) mono_error_convert_to_exception (&error);
3698 mono_error_cleanup (&error);
3703 * mono_property_set_value_checked:
3704 * @prop: MonoProperty to set
3705 * @obj: instance object on which to act
3706 * @params: parameters to pass to the propery
3707 * @error: set on error
3709 * Invokes the property's set method with the given arguments on the
3710 * object instance obj (or NULL for static properties).
3712 * Returns: TRUE on success. On failure returns FALSE and sets @error.
3713 * If an exception is thrown, it will be caught and returned via @error.
3716 mono_property_set_value_checked (MonoProperty *prop, void *obj, void **params, MonoError *error)
3718 MONO_REQ_GC_UNSAFE_MODE;
3722 mono_error_init (error);
3723 do_runtime_invoke (prop->set, obj, params, &exc, error);
3724 if (exc != NULL && is_ok (error))
3725 mono_error_set_exception_instance (error, (MonoException*)exc);
3726 return is_ok (error);
3730 * mono_property_get_value:
3731 * @prop: MonoProperty to fetch
3732 * @obj: instance object on which to act
3733 * @params: parameters to pass to the propery
3734 * @exc: optional exception
3736 * Invokes the property's get method with the given arguments on the
3737 * object instance obj (or NULL for static properties).
3739 * You can pass NULL as the exc argument if you don't want to
3740 * catch exceptions, otherwise, *exc will be set to the exception
3741 * thrown, if any. if an exception is thrown, you can't use the
3742 * MonoObject* result from the function.
3744 * Returns: the value from invoking the get method on the property.
3747 mono_property_get_value (MonoProperty *prop, void *obj, void **params, MonoObject **exc)
3749 MONO_REQ_GC_UNSAFE_MODE;
3752 MonoObject *val = do_runtime_invoke (prop->get, obj, params, exc, &error);
3753 if (exc && *exc == NULL && !mono_error_ok (&error)) {
3754 *exc = (MonoObject*) mono_error_convert_to_exception (&error);
3756 mono_error_cleanup (&error); /* FIXME don't raise here */
3763 * mono_property_get_value_checked:
3764 * @prop: MonoProperty to fetch
3765 * @obj: instance object on which to act
3766 * @params: parameters to pass to the propery
3767 * @error: set on error
3769 * Invokes the property's get method with the given arguments on the
3770 * object instance obj (or NULL for static properties).
3772 * If an exception is thrown, you can't use the
3773 * MonoObject* result from the function. The exception will be propagated via @error.
3775 * Returns: the value from invoking the get method on the property. On
3776 * failure returns NULL and sets @error.
3779 mono_property_get_value_checked (MonoProperty *prop, void *obj, void **params, MonoError *error)
3781 MONO_REQ_GC_UNSAFE_MODE;
3784 MonoObject *val = do_runtime_invoke (prop->get, obj, params, &exc, error);
3785 if (exc != NULL && !is_ok (error))
3786 mono_error_set_exception_instance (error, (MonoException*) exc);
3794 * mono_nullable_init:
3795 * @buf: The nullable structure to initialize.
3796 * @value: the value to initialize from
3797 * @klass: the type for the object
3799 * Initialize the nullable structure pointed to by @buf from @value which
3800 * should be a boxed value type. The size of @buf should be able to hold
3801 * as much data as the @klass->instance_size (which is the number of bytes
3802 * that will be copies).
3804 * Since Nullables have variable structure, we can not define a C
3805 * structure for them.
3808 mono_nullable_init (guint8 *buf, MonoObject *value, MonoClass *klass)
3810 MONO_REQ_GC_UNSAFE_MODE;
3812 MonoClass *param_class = klass->cast_class;
3814 mono_class_setup_fields_locking (klass);
3815 g_assert (klass->fields_inited);
3817 g_assert (mono_class_from_mono_type (klass->fields [0].type) == param_class);
3818 g_assert (mono_class_from_mono_type (klass->fields [1].type) == mono_defaults.boolean_class);
3820 *(guint8*)(buf + klass->fields [1].offset - sizeof (MonoObject)) = value ? 1 : 0;
3822 if (param_class->has_references)
3823 mono_gc_wbarrier_value_copy (buf + klass->fields [0].offset - sizeof (MonoObject), mono_object_unbox (value), 1, param_class);
3825 mono_gc_memmove_atomic (buf + klass->fields [0].offset - sizeof (MonoObject), mono_object_unbox (value), mono_class_value_size (param_class, NULL));
3827 mono_gc_bzero_atomic (buf + klass->fields [0].offset - sizeof (MonoObject), mono_class_value_size (param_class, NULL));
3832 * mono_nullable_box:
3833 * @buf: The buffer representing the data to be boxed
3834 * @klass: the type to box it as.
3835 * @error: set on oerr
3837 * Creates a boxed vtype or NULL from the Nullable structure pointed to by
3838 * @buf. On failure returns NULL and sets @error
3841 mono_nullable_box (guint8 *buf, MonoClass *klass, MonoError *error)
3843 MONO_REQ_GC_UNSAFE_MODE;
3845 mono_error_init (error);
3846 MonoClass *param_class = klass->cast_class;
3848 mono_class_setup_fields_locking (klass);
3849 g_assert (klass->fields_inited);
3851 g_assert (mono_class_from_mono_type (klass->fields [0].type) == param_class);
3852 g_assert (mono_class_from_mono_type (klass->fields [1].type) == mono_defaults.boolean_class);
3854 if (*(guint8*)(buf + klass->fields [1].offset - sizeof (MonoObject))) {
3855 MonoObject *o = mono_object_new_checked (mono_domain_get (), param_class, error);
3856 return_val_if_nok (error, NULL);
3857 if (param_class->has_references)
3858 mono_gc_wbarrier_value_copy (mono_object_unbox (o), buf + klass->fields [0].offset - sizeof (MonoObject), 1, param_class);
3860 mono_gc_memmove_atomic (mono_object_unbox (o), buf + klass->fields [0].offset - sizeof (MonoObject), mono_class_value_size (param_class, NULL));
3868 * mono_get_delegate_invoke:
3869 * @klass: The delegate class
3871 * Returns: the MonoMethod for the "Invoke" method in the delegate klass or NULL if @klass is a broken delegate type
3874 mono_get_delegate_invoke (MonoClass *klass)
3876 MONO_REQ_GC_NEUTRAL_MODE;
3880 /* This is called at runtime, so avoid the slower search in metadata */
3881 mono_class_setup_methods (klass);
3882 if (mono_class_has_failure (klass))
3884 im = mono_class_get_method_from_name (klass, "Invoke", -1);
3889 * mono_get_delegate_begin_invoke:
3890 * @klass: The delegate class
3892 * Returns: the MonoMethod for the "BeginInvoke" method in the delegate klass or NULL if @klass is a broken delegate type
3895 mono_get_delegate_begin_invoke (MonoClass *klass)
3897 MONO_REQ_GC_NEUTRAL_MODE;
3901 /* This is called at runtime, so avoid the slower search in metadata */
3902 mono_class_setup_methods (klass);
3903 if (mono_class_has_failure (klass))
3905 im = mono_class_get_method_from_name (klass, "BeginInvoke", -1);
3910 * mono_get_delegate_end_invoke:
3911 * @klass: The delegate class
3913 * Returns: the MonoMethod for the "EndInvoke" method in the delegate klass or NULL if @klass is a broken delegate type
3916 mono_get_delegate_end_invoke (MonoClass *klass)
3918 MONO_REQ_GC_NEUTRAL_MODE;
3922 /* This is called at runtime, so avoid the slower search in metadata */
3923 mono_class_setup_methods (klass);
3924 if (mono_class_has_failure (klass))
3926 im = mono_class_get_method_from_name (klass, "EndInvoke", -1);
3931 * mono_runtime_delegate_invoke:
3932 * @delegate: pointer to a delegate object.
3933 * @params: parameters for the delegate.
3934 * @exc: Pointer to the exception result.
3936 * Invokes the delegate method @delegate with the parameters provided.
3938 * You can pass NULL as the exc argument if you don't want to
3939 * catch exceptions, otherwise, *exc will be set to the exception
3940 * thrown, if any. if an exception is thrown, you can't use the
3941 * MonoObject* result from the function.
3944 mono_runtime_delegate_invoke (MonoObject *delegate, void **params, MonoObject **exc)
3946 MONO_REQ_GC_UNSAFE_MODE;
3950 MonoClass *klass = delegate->vtable->klass;
3953 im = mono_get_delegate_invoke (klass);
3955 g_error ("Could not lookup delegate invoke method for delegate %s", mono_type_get_full_name (klass));
3958 o = mono_runtime_try_invoke (im, delegate, params, exc, &error);
3959 if (*exc == NULL && !mono_error_ok (&error))
3960 *exc = (MonoObject*) mono_error_convert_to_exception (&error);
3962 mono_error_cleanup (&error);
3964 o = mono_runtime_invoke_checked (im, delegate, params, &error);
3965 mono_error_raise_exception (&error); /* FIXME don't raise here */
3971 static char **main_args = NULL;
3972 static int num_main_args = 0;
3975 * mono_runtime_get_main_args:
3977 * Returns: a MonoArray with the arguments passed to the main program
3980 mono_runtime_get_main_args (void)
3982 MONO_REQ_GC_UNSAFE_MODE;
3984 MonoArray *result = mono_runtime_get_main_args_checked (&error);
3985 mono_error_assert_ok (&error);
3990 * mono_runtime_get_main_args:
3991 * @error: set on error
3993 * Returns: a MonoArray with the arguments passed to the main
3994 * program. On failure returns NULL and sets @error.
3997 mono_runtime_get_main_args_checked (MonoError *error)
4001 MonoDomain *domain = mono_domain_get ();
4003 mono_error_init (error);
4005 res = (MonoArray*)mono_array_new_checked (domain, mono_defaults.string_class, num_main_args, error);
4006 return_val_if_nok (error, NULL);
4008 for (i = 0; i < num_main_args; ++i)
4009 mono_array_setref (res, i, mono_string_new (domain, main_args [i]));
4015 free_main_args (void)
4017 MONO_REQ_GC_NEUTRAL_MODE;
4021 for (i = 0; i < num_main_args; ++i)
4022 g_free (main_args [i]);
4029 * mono_runtime_set_main_args:
4030 * @argc: number of arguments from the command line
4031 * @argv: array of strings from the command line
4033 * Set the command line arguments from an embedding application that doesn't otherwise call
4034 * mono_runtime_run_main ().
4037 mono_runtime_set_main_args (int argc, char* argv[])
4039 MONO_REQ_GC_NEUTRAL_MODE;
4044 main_args = g_new0 (char*, argc);
4045 num_main_args = argc;
4047 for (i = 0; i < argc; ++i) {
4050 utf8_arg = mono_utf8_from_external (argv[i]);
4051 if (utf8_arg == NULL) {
4052 g_print ("\nCannot determine the text encoding for argument %d (%s).\n", i, argv [i]);
4053 g_print ("Please add the correct encoding to MONO_EXTERNAL_ENCODINGS and try again.\n");
4057 main_args [i] = utf8_arg;
4064 * mono_runtime_run_main:
4065 * @method: the method to start the application with (usually Main)
4066 * @argc: number of arguments from the command line
4067 * @argv: array of strings from the command line
4068 * @exc: excetption results
4070 * Execute a standard Main() method (argc/argv contains the
4071 * executable name). This method also sets the command line argument value
4072 * needed by System.Environment.
4077 mono_runtime_run_main (MonoMethod *method, int argc, char* argv[],
4080 MONO_REQ_GC_UNSAFE_MODE;
4084 MonoArray *args = NULL;
4085 MonoDomain *domain = mono_domain_get ();
4086 gchar *utf8_fullpath;
4087 MonoMethodSignature *sig;
4089 g_assert (method != NULL);
4091 mono_thread_set_main (mono_thread_current ());
4093 main_args = g_new0 (char*, argc);
4094 num_main_args = argc;
4096 if (!g_path_is_absolute (argv [0])) {
4097 gchar *basename = g_path_get_basename (argv [0]);
4098 gchar *fullpath = g_build_filename (method->klass->image->assembly->basedir,
4102 utf8_fullpath = mono_utf8_from_external (fullpath);
4103 if(utf8_fullpath == NULL) {
4104 /* Printing the arg text will cause glib to
4105 * whinge about "Invalid UTF-8", but at least
4106 * its relevant, and shows the problem text
4109 g_print ("\nCannot determine the text encoding for the assembly location: %s\n", fullpath);
4110 g_print ("Please add the correct encoding to MONO_EXTERNAL_ENCODINGS and try again.\n");
4117 utf8_fullpath = mono_utf8_from_external (argv[0]);
4118 if(utf8_fullpath == NULL) {
4119 g_print ("\nCannot determine the text encoding for the assembly location: %s\n", argv[0]);
4120 g_print ("Please add the correct encoding to MONO_EXTERNAL_ENCODINGS and try again.\n");
4125 main_args [0] = utf8_fullpath;
4127 for (i = 1; i < argc; ++i) {
4130 utf8_arg=mono_utf8_from_external (argv[i]);
4131 if(utf8_arg==NULL) {
4132 /* Ditto the comment about Invalid UTF-8 here */
4133 g_print ("\nCannot determine the text encoding for argument %d (%s).\n", i, argv[i]);
4134 g_print ("Please add the correct encoding to MONO_EXTERNAL_ENCODINGS and try again.\n");
4138 main_args [i] = utf8_arg;
4143 sig = mono_method_signature (method);
4145 g_print ("Unable to load Main method.\n");
4149 if (sig->param_count) {
4150 args = (MonoArray*)mono_array_new_checked (domain, mono_defaults.string_class, argc, &error);
4151 mono_error_assert_ok (&error);
4152 for (i = 0; i < argc; ++i) {
4153 /* The encodings should all work, given that
4154 * we've checked all these args for the
4157 gchar *str = mono_utf8_from_external (argv [i]);
4158 MonoString *arg = mono_string_new (domain, str);
4159 mono_array_setref (args, i, arg);
4163 args = (MonoArray*)mono_array_new_checked (domain, mono_defaults.string_class, 0, &error);
4164 mono_error_assert_ok (&error);
4167 mono_assembly_set_main (method->klass->image->assembly);
4169 return mono_runtime_exec_main (method, args, exc);
4173 serialize_object (MonoObject *obj, gboolean *failure, MonoObject **exc)
4175 static MonoMethod *serialize_method;
4181 if (!serialize_method) {
4182 MonoClass *klass = mono_class_get_remoting_services_class ();
4183 serialize_method = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
4186 if (!serialize_method) {
4191 g_assert (!mono_class_is_marshalbyref (mono_object_class (obj)));
4196 array = mono_runtime_try_invoke (serialize_method, NULL, params, exc, &error);
4197 if (*exc == NULL && !mono_error_ok (&error))
4198 *exc = (MonoObject*) mono_error_convert_to_exception (&error); /* FIXME convert serialize_object to MonoError */
4200 mono_error_cleanup (&error);
4209 deserialize_object (MonoObject *obj, gboolean *failure, MonoObject **exc)
4211 MONO_REQ_GC_UNSAFE_MODE;
4213 static MonoMethod *deserialize_method;
4219 if (!deserialize_method) {
4220 MonoClass *klass = mono_class_get_remoting_services_class ();
4221 deserialize_method = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
4223 if (!deserialize_method) {
4231 result = mono_runtime_try_invoke (deserialize_method, NULL, params, exc, &error);
4232 if (*exc == NULL && !mono_error_ok (&error))
4233 *exc = (MonoObject*) mono_error_convert_to_exception (&error); /* FIXME convert deserialize_object to MonoError */
4235 mono_error_cleanup (&error);
4243 #ifndef DISABLE_REMOTING
4245 make_transparent_proxy (MonoObject *obj, MonoError *error)
4247 MONO_REQ_GC_UNSAFE_MODE;
4249 static MonoMethod *get_proxy_method;
4251 MonoDomain *domain = mono_domain_get ();
4252 MonoRealProxy *real_proxy;
4253 MonoReflectionType *reflection_type;
4254 MonoTransparentProxy *transparent_proxy;
4256 mono_error_init (error);
4258 if (!get_proxy_method)
4259 get_proxy_method = mono_class_get_method_from_name (mono_defaults.real_proxy_class, "GetTransparentProxy", 0);
4261 g_assert (mono_class_is_marshalbyref (obj->vtable->klass));
4263 real_proxy = (MonoRealProxy*) mono_object_new_checked (domain, mono_defaults.real_proxy_class, error);
4264 return_val_if_nok (error, NULL);
4265 reflection_type = mono_type_get_object_checked (domain, &obj->vtable->klass->byval_arg, error);
4266 return_val_if_nok (error, NULL);
4268 MONO_OBJECT_SETREF (real_proxy, class_to_proxy, reflection_type);
4269 MONO_OBJECT_SETREF (real_proxy, unwrapped_server, obj);
4271 MonoObject *exc = NULL;
4273 transparent_proxy = (MonoTransparentProxy*) mono_runtime_try_invoke (get_proxy_method, real_proxy, NULL, &exc, error);
4274 if (exc != NULL && is_ok (error))
4275 mono_error_set_exception_instance (error, (MonoException*)exc);
4277 return (MonoObject*) transparent_proxy;
4279 #endif /* DISABLE_REMOTING */
4282 * mono_object_xdomain_representation
4284 * @target_domain: a domain
4285 * @error: set on error.
4287 * Creates a representation of obj in the domain target_domain. This
4288 * is either a copy of obj arrived through via serialization and
4289 * deserialization or a proxy, depending on whether the object is
4290 * serializable or marshal by ref. obj must not be in target_domain.
4292 * If the object cannot be represented in target_domain, NULL is
4293 * returned and @error is set appropriately.
4296 mono_object_xdomain_representation (MonoObject *obj, MonoDomain *target_domain, MonoError *error)
4298 MONO_REQ_GC_UNSAFE_MODE;
4300 mono_error_init (error);
4301 MonoObject *deserialized = NULL;
4303 #ifndef DISABLE_REMOTING
4304 if (mono_class_is_marshalbyref (mono_object_class (obj))) {
4305 deserialized = make_transparent_proxy (obj, error);
4310 gboolean failure = FALSE;
4311 MonoDomain *domain = mono_domain_get ();
4312 MonoObject *serialized;
4313 MonoObject *exc = NULL;
4315 mono_domain_set_internal_with_options (mono_object_domain (obj), FALSE);
4316 serialized = serialize_object (obj, &failure, &exc);
4317 mono_domain_set_internal_with_options (target_domain, FALSE);
4319 deserialized = deserialize_object (serialized, &failure, &exc);
4320 if (domain != target_domain)
4321 mono_domain_set_internal_with_options (domain, FALSE);
4323 mono_error_set_exception_instance (error, (MonoException*)exc);
4326 return deserialized;
4329 /* Used in call_unhandled_exception_delegate */
4331 create_unhandled_exception_eventargs (MonoObject *exc)
4333 MONO_REQ_GC_UNSAFE_MODE;
4338 MonoMethod *method = NULL;
4339 MonoBoolean is_terminating = TRUE;
4342 klass = mono_class_get_unhandled_exception_event_args_class ();
4343 mono_class_init (klass);
4345 /* UnhandledExceptionEventArgs only has 1 public ctor with 2 args */
4346 method = mono_class_get_method_from_name_flags (klass, ".ctor", 2, METHOD_ATTRIBUTE_PUBLIC);
4350 args [1] = &is_terminating;
4352 obj = mono_object_new_checked (mono_domain_get (), klass, &error);
4353 mono_error_raise_exception (&error); /* FIXME don't raise here */
4355 mono_runtime_invoke_checked (method, obj, args, &error);
4356 mono_error_raise_exception (&error); /* FIXME don't raise here */
4361 /* Used in mono_unhandled_exception */
4363 call_unhandled_exception_delegate (MonoDomain *domain, MonoObject *delegate, MonoObject *exc) {
4364 MONO_REQ_GC_UNSAFE_MODE;
4366 MonoObject *e = NULL;
4368 MonoDomain *current_domain = mono_domain_get ();
4370 if (domain != current_domain)
4371 mono_domain_set_internal_with_options (domain, FALSE);
4373 g_assert (domain == mono_object_domain (domain->domain));
4375 if (mono_object_domain (exc) != domain) {
4378 exc = mono_object_xdomain_representation (exc, domain, &error);
4380 if (!is_ok (&error)) {
4381 MonoError inner_error;
4382 MonoException *serialization_exc = mono_error_convert_to_exception (&error);
4383 exc = mono_object_xdomain_representation ((MonoObject*)serialization_exc, domain, &inner_error);
4384 mono_error_assert_ok (&inner_error);
4386 exc = (MonoObject*) mono_exception_from_name_msg (mono_get_corlib (),
4387 "System.Runtime.Serialization", "SerializationException",
4388 "Could not serialize unhandled exception.");
4392 g_assert (mono_object_domain (exc) == domain);
4394 pa [0] = domain->domain;
4395 pa [1] = create_unhandled_exception_eventargs (exc);
4396 mono_runtime_delegate_invoke (delegate, pa, &e);
4398 if (domain != current_domain)
4399 mono_domain_set_internal_with_options (current_domain, FALSE);
4403 gchar *msg = mono_string_to_utf8_checked (((MonoException *) e)->message, &error);
4404 if (!mono_error_ok (&error)) {
4405 g_warning ("Exception inside UnhandledException handler with invalid message (Invalid characters)\n");
4406 mono_error_cleanup (&error);
4408 g_warning ("exception inside UnhandledException handler: %s\n", msg);
4414 static MonoRuntimeUnhandledExceptionPolicy runtime_unhandled_exception_policy = MONO_UNHANDLED_POLICY_CURRENT;
4417 * mono_runtime_unhandled_exception_policy_set:
4418 * @policy: the new policy
4420 * This is a VM internal routine.
4422 * Sets the runtime policy for handling unhandled exceptions.
4425 mono_runtime_unhandled_exception_policy_set (MonoRuntimeUnhandledExceptionPolicy policy) {
4426 runtime_unhandled_exception_policy = policy;
4430 * mono_runtime_unhandled_exception_policy_get:
4432 * This is a VM internal routine.
4434 * Gets the runtime policy for handling unhandled exceptions.
4436 MonoRuntimeUnhandledExceptionPolicy
4437 mono_runtime_unhandled_exception_policy_get (void) {
4438 return runtime_unhandled_exception_policy;
4442 * mono_unhandled_exception:
4443 * @exc: exception thrown
4445 * This is a VM internal routine.
4447 * We call this function when we detect an unhandled exception
4448 * in the default domain.
4450 * It invokes the * UnhandledException event in AppDomain or prints
4451 * a warning to the console
4454 mono_unhandled_exception (MonoObject *exc)
4456 MONO_REQ_GC_UNSAFE_MODE;
4459 MonoClassField *field;
4460 MonoDomain *current_domain, *root_domain;
4461 MonoObject *current_appdomain_delegate = NULL, *root_appdomain_delegate = NULL;
4463 if (mono_class_has_parent (exc->vtable->klass, mono_defaults.threadabortexception_class))
4466 field = mono_class_get_field_from_name (mono_defaults.appdomain_class, "UnhandledException");
4469 current_domain = mono_domain_get ();
4470 root_domain = mono_get_root_domain ();
4472 root_appdomain_delegate = mono_field_get_value_object_checked (root_domain, field, (MonoObject*) root_domain->domain, &error);
4473 mono_error_raise_exception (&error); /* FIXME don't raise here */
4474 if (current_domain != root_domain) {
4475 current_appdomain_delegate = mono_field_get_value_object_checked (current_domain, field, (MonoObject*) current_domain->domain, &error);
4476 mono_error_raise_exception (&error); /* FIXME don't raise here */
4479 if (!current_appdomain_delegate && !root_appdomain_delegate) {
4480 mono_print_unhandled_exception (exc);
4482 if (root_appdomain_delegate)
4483 call_unhandled_exception_delegate (root_domain, root_appdomain_delegate, exc);
4484 if (current_appdomain_delegate)
4485 call_unhandled_exception_delegate (current_domain, current_appdomain_delegate, exc);
4488 /* set exitcode only if we will abort the process */
4489 if ((main_thread && mono_thread_internal_current () == main_thread->internal_thread)
4490 || mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_CURRENT)
4492 mono_environment_exitcode_set (1);
4497 * mono_runtime_exec_managed_code:
4498 * @domain: Application domain
4499 * @main_func: function to invoke from the execution thread
4500 * @main_args: parameter to the main_func
4502 * Launch a new thread to execute a function
4504 * main_func is called back from the thread with main_args as the
4505 * parameter. The callback function is expected to start Main()
4506 * eventually. This function then waits for all managed threads to
4508 * It is not necesseray anymore to execute managed code in a subthread,
4509 * so this function should not be used anymore by default: just
4510 * execute the code and then call mono_thread_manage ().
4513 mono_runtime_exec_managed_code (MonoDomain *domain,
4514 MonoMainThreadFunc main_func,
4518 mono_thread_create_checked (domain, main_func, main_args, &error);
4519 mono_error_assert_ok (&error);
4521 mono_thread_manage ();
4525 * Execute a standard Main() method (args doesn't contain the
4529 mono_runtime_exec_main (MonoMethod *method, MonoArray *args, MonoObject **exc)
4531 MONO_REQ_GC_UNSAFE_MODE;
4537 MonoCustomAttrInfo* cinfo;
4538 gboolean has_stathread_attribute;
4539 MonoInternalThread* thread = mono_thread_internal_current ();
4545 domain = mono_object_domain (args);
4546 if (!domain->entry_assembly) {
4548 MonoAssembly *assembly;
4550 assembly = method->klass->image->assembly;
4551 domain->entry_assembly = assembly;
4552 /* Domains created from another domain already have application_base and configuration_file set */
4553 if (domain->setup->application_base == NULL) {
4554 MONO_OBJECT_SETREF (domain->setup, application_base, mono_string_new (domain, assembly->basedir));
4557 if (domain->setup->configuration_file == NULL) {
4558 str = g_strconcat (assembly->image->name, ".config", NULL);
4559 MONO_OBJECT_SETREF (domain->setup, configuration_file, mono_string_new (domain, str));
4561 mono_domain_set_options_from_config (domain);
4565 cinfo = mono_custom_attrs_from_method_checked (method, &error);
4566 mono_error_cleanup (&error); /* FIXME warn here? */
4568 has_stathread_attribute = mono_custom_attrs_has_attr (cinfo, mono_class_get_sta_thread_attribute_class ());
4570 mono_custom_attrs_free (cinfo);
4572 has_stathread_attribute = FALSE;
4574 if (has_stathread_attribute) {
4575 thread->apartment_state = ThreadApartmentState_STA;
4577 thread->apartment_state = ThreadApartmentState_MTA;
4579 mono_thread_init_apartment_state ();
4581 /* FIXME: check signature of method */
4582 if (mono_method_signature (method)->ret->type == MONO_TYPE_I4) {
4585 res = mono_runtime_try_invoke (method, NULL, pa, exc, &error);
4586 if (*exc == NULL && !mono_error_ok (&error))
4587 *exc = (MonoObject*) mono_error_convert_to_exception (&error);
4589 mono_error_cleanup (&error);
4591 res = mono_runtime_invoke_checked (method, NULL, pa, &error);
4592 mono_error_raise_exception (&error); /* FIXME don't raise here */
4596 rval = *(guint32 *)((char *)res + sizeof (MonoObject));
4600 mono_environment_exitcode_set (rval);
4603 mono_runtime_try_invoke (method, NULL, pa, exc, &error);
4604 if (*exc == NULL && !mono_error_ok (&error))
4605 *exc = (MonoObject*) mono_error_convert_to_exception (&error);
4607 mono_error_cleanup (&error);
4609 mono_runtime_invoke_checked (method, NULL, pa, &error);
4610 mono_error_raise_exception (&error); /* FIXME don't raise here */
4616 /* If the return type of Main is void, only
4617 * set the exitcode if an exception was thrown
4618 * (we don't want to blow away an
4619 * explicitly-set exit code)
4622 mono_environment_exitcode_set (rval);
4630 * mono_runtime_invoke_array:
4631 * @method: method to invoke
4632 * @obJ: object instance
4633 * @params: arguments to the method
4634 * @exc: exception information.
4636 * Invokes the method represented by @method on the object @obj.
4638 * obj is the 'this' pointer, it should be NULL for static
4639 * methods, a MonoObject* for object instances and a pointer to
4640 * the value type for value types.
4642 * The params array contains the arguments to the method with the
4643 * same convention: MonoObject* pointers for object instances and
4644 * pointers to the value type otherwise. The _invoke_array
4645 * variant takes a C# object[] as the params argument (MonoArray
4646 * *params): in this case the value types are boxed inside the
4647 * respective reference representation.
4649 * From unmanaged code you'll usually use the
4650 * mono_runtime_invoke_checked() variant.
4652 * Note that this function doesn't handle virtual methods for
4653 * you, it will exec the exact method you pass: we still need to
4654 * expose a function to lookup the derived class implementation
4655 * of a virtual method (there are examples of this in the code,
4658 * You can pass NULL as the exc argument if you don't want to
4659 * catch exceptions, otherwise, *exc will be set to the exception
4660 * thrown, if any. if an exception is thrown, you can't use the
4661 * MonoObject* result from the function.
4663 * If the method returns a value type, it is boxed in an object
4667 mono_runtime_invoke_array (MonoMethod *method, void *obj, MonoArray *params,
4670 MONO_REQ_GC_UNSAFE_MODE;
4673 MonoMethodSignature *sig = mono_method_signature (method);
4674 gpointer *pa = NULL;
4677 gboolean has_byref_nullables = FALSE;
4679 if (NULL != params) {
4680 pa = (void **)alloca (sizeof (gpointer) * mono_array_length (params));
4681 for (i = 0; i < mono_array_length (params); i++) {
4682 MonoType *t = sig->params [i];
4688 case MONO_TYPE_BOOLEAN:
4691 case MONO_TYPE_CHAR:
4700 case MONO_TYPE_VALUETYPE:
4701 if (t->type == MONO_TYPE_VALUETYPE && mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
4702 /* The runtime invoke wrapper needs the original boxed vtype, it does handle byref values as well. */
4703 pa [i] = mono_array_get (params, MonoObject*, i);
4705 has_byref_nullables = TRUE;
4707 /* MS seems to create the objects if a null is passed in */
4708 if (!mono_array_get (params, MonoObject*, i)) {
4709 MonoObject *o = mono_object_new_checked (mono_domain_get (), mono_class_from_mono_type (sig->params [i]), &error);
4710 mono_error_raise_exception (&error); /* FIXME don't raise here */
4711 mono_array_setref (params, i, o);
4716 * We can't pass the unboxed vtype byref to the callee, since
4717 * that would mean the callee would be able to modify boxed
4718 * primitive types. So we (and MS) make a copy of the boxed
4719 * object, pass that to the callee, and replace the original
4720 * boxed object in the arg array with the copy.
4722 MonoObject *orig = mono_array_get (params, MonoObject*, i);
4723 MonoObject *copy = mono_value_box_checked (mono_domain_get (), orig->vtable->klass, mono_object_unbox (orig), &error);
4724 mono_error_raise_exception (&error); /* FIXME don't raise here */
4725 mono_array_setref (params, i, copy);
4728 pa [i] = mono_object_unbox (mono_array_get (params, MonoObject*, i));
4731 case MONO_TYPE_STRING:
4732 case MONO_TYPE_OBJECT:
4733 case MONO_TYPE_CLASS:
4734 case MONO_TYPE_ARRAY:
4735 case MONO_TYPE_SZARRAY:
4737 pa [i] = mono_array_addr (params, MonoObject*, i);
4738 // FIXME: I need to check this code path
4740 pa [i] = mono_array_get (params, MonoObject*, i);
4742 case MONO_TYPE_GENERICINST:
4744 t = &t->data.generic_class->container_class->this_arg;
4746 t = &t->data.generic_class->container_class->byval_arg;
4748 case MONO_TYPE_PTR: {
4751 /* The argument should be an IntPtr */
4752 arg = mono_array_get (params, MonoObject*, i);
4756 g_assert (arg->vtable->klass == mono_defaults.int_class);
4757 pa [i] = ((MonoIntPtr*)arg)->m_value;
4762 g_error ("type 0x%x not handled in mono_runtime_invoke_array", sig->params [i]->type);
4767 if (!strcmp (method->name, ".ctor") && method->klass != mono_defaults.string_class) {
4770 if (mono_class_is_nullable (method->klass)) {
4771 /* Need to create a boxed vtype instead */
4777 MonoObject *result = mono_value_box_checked (mono_domain_get (), method->klass->cast_class, pa [0], &error);
4778 mono_error_raise_exception (&error); /* FIXME don't raise here */
4784 obj = mono_object_new_checked (mono_domain_get (), method->klass, &error);
4785 g_assert (obj && mono_error_ok (&error)); /*maybe we should raise a TLE instead?*/ /* FIXME don't swallow error */
4786 #ifndef DISABLE_REMOTING
4787 if (mono_object_class(obj) == mono_defaults.transparent_proxy_class) {
4788 method = mono_marshal_get_remoting_invoke (method->slot == -1 ? method : method->klass->vtable [method->slot]);
4791 if (method->klass->valuetype)
4792 o = (MonoObject *)mono_object_unbox ((MonoObject *)obj);
4795 } else if (method->klass->valuetype) {
4796 obj = mono_value_box_checked (mono_domain_get (), method->klass, obj, &error);
4797 mono_error_raise_exception (&error); /* FIXME don't raise here */
4801 mono_runtime_try_invoke (method, o, pa, exc, &error);
4802 if (*exc == NULL && !mono_error_ok (&error))
4803 *exc = (MonoObject*) mono_error_convert_to_exception (&error);
4805 mono_error_cleanup (&error);
4807 mono_runtime_invoke_checked (method, o, pa, &error);
4808 mono_error_raise_exception (&error); /* FIXME don't raise here */
4811 return (MonoObject *)obj;
4813 if (mono_class_is_nullable (method->klass)) {
4814 MonoObject *nullable;
4816 /* Convert the unboxed vtype into a Nullable structure */
4817 nullable = mono_object_new_checked (mono_domain_get (), method->klass, &error);
4818 mono_error_raise_exception (&error); /* FIXME don't raise here */
4820 MonoObject *boxed = mono_value_box_checked (mono_domain_get (), method->klass->cast_class, obj, &error);
4821 mono_error_raise_exception (&error); /* FIXME don't raise here */
4822 mono_nullable_init ((guint8 *)mono_object_unbox (nullable), boxed, method->klass);
4823 obj = mono_object_unbox (nullable);
4826 /* obj must be already unboxed if needed */
4828 res = mono_runtime_try_invoke (method, obj, pa, exc, &error);
4829 if (*exc == NULL && !mono_error_ok (&error))
4830 *exc = (MonoObject*) mono_error_convert_to_exception (&error);
4832 mono_error_cleanup (&error);
4834 res = mono_runtime_invoke_checked (method, obj, pa, &error);
4835 mono_error_raise_exception (&error); /* FIXME don't raise here */
4838 if (sig->ret->type == MONO_TYPE_PTR) {
4839 MonoClass *pointer_class;
4840 static MonoMethod *box_method;
4842 MonoObject *box_exc;
4845 * The runtime-invoke wrapper returns a boxed IntPtr, need to
4846 * convert it to a Pointer object.
4848 pointer_class = mono_class_get_pointer_class ();
4850 box_method = mono_class_get_method_from_name (pointer_class, "Box", -1);
4852 g_assert (res->vtable->klass == mono_defaults.int_class);
4853 box_args [0] = ((MonoIntPtr*)res)->m_value;
4854 box_args [1] = mono_type_get_object_checked (mono_domain_get (), sig->ret, &error);
4855 mono_error_raise_exception (&error); /* FIXME don't raise here */
4857 res = mono_runtime_try_invoke (box_method, NULL, box_args, &box_exc, &error);
4858 g_assert (box_exc == NULL);
4859 mono_error_assert_ok (&error);
4862 if (has_byref_nullables) {
4864 * The runtime invoke wrapper already converted byref nullables back,
4865 * and stored them in pa, we just need to copy them back to the
4868 for (i = 0; i < mono_array_length (params); i++) {
4869 MonoType *t = sig->params [i];
4871 if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
4872 mono_array_setref (params, i, pa [i]);
4882 * @klass: the class of the object that we want to create
4884 * Returns: a newly created object whose definition is
4885 * looked up using @klass. This will not invoke any constructors,
4886 * so the consumer of this routine has to invoke any constructors on
4887 * its own to initialize the object.
4889 * It returns NULL on failure.
4892 mono_object_new (MonoDomain *domain, MonoClass *klass)
4894 MONO_REQ_GC_UNSAFE_MODE;
4898 MonoObject * result = mono_object_new_checked (domain, klass, &error);
4900 mono_error_cleanup (&error);
4905 ves_icall_object_new (MonoDomain *domain, MonoClass *klass)
4907 MONO_REQ_GC_UNSAFE_MODE;
4911 MonoObject * result = mono_object_new_checked (domain, klass, &error);
4913 mono_error_set_pending_exception (&error);
4918 * mono_object_new_checked:
4919 * @klass: the class of the object that we want to create
4920 * @error: set on error
4922 * Returns: a newly created object whose definition is
4923 * looked up using @klass. This will not invoke any constructors,
4924 * so the consumer of this routine has to invoke any constructors on
4925 * its own to initialize the object.
4927 * It returns NULL on failure and sets @error.
4930 mono_object_new_checked (MonoDomain *domain, MonoClass *klass, MonoError *error)
4932 MONO_REQ_GC_UNSAFE_MODE;
4936 vtable = mono_class_vtable (domain, klass);
4937 g_assert (vtable); /* FIXME don't swallow the error */
4939 MonoObject *o = mono_object_new_specific_checked (vtable, error);
4944 * mono_object_new_pinned:
4946 * Same as mono_object_new, but the returned object will be pinned.
4947 * For SGEN, these objects will only be freed at appdomain unload.
4950 mono_object_new_pinned (MonoDomain *domain, MonoClass *klass, MonoError *error)
4952 MONO_REQ_GC_UNSAFE_MODE;
4956 mono_error_init (error);
4958 vtable = mono_class_vtable (domain, klass);
4959 g_assert (vtable); /* FIXME don't swallow the error */
4961 MonoObject *o = (MonoObject *)mono_gc_alloc_pinned_obj (vtable, mono_class_instance_size (klass));
4963 if (G_UNLIKELY (!o))
4964 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", mono_class_instance_size (klass));
4965 else if (G_UNLIKELY (vtable->klass->has_finalize))
4966 mono_object_register_finalizer (o, error);
4972 * mono_object_new_specific:
4973 * @vtable: the vtable of the object that we want to create
4975 * Returns: A newly created object with class and domain specified
4979 mono_object_new_specific (MonoVTable *vtable)
4982 MonoObject *o = mono_object_new_specific_checked (vtable, &error);
4983 mono_error_cleanup (&error);
4989 mono_object_new_specific_checked (MonoVTable *vtable, MonoError *error)
4991 MONO_REQ_GC_UNSAFE_MODE;
4995 mono_error_init (error);
4997 /* check for is_com_object for COM Interop */
4998 if (mono_vtable_is_remote (vtable) || mono_class_is_com_object (vtable->klass))
5001 MonoMethod *im = vtable->domain->create_proxy_for_type_method;
5004 MonoClass *klass = mono_class_get_activation_services_class ();
5007 mono_class_init (klass);
5009 im = mono_class_get_method_from_name (klass, "CreateProxyForType", 1);
5011 mono_error_set_not_supported (error, "Linked away.");
5014 vtable->domain->create_proxy_for_type_method = im;
5017 pa [0] = mono_type_get_object_checked (mono_domain_get (), &vtable->klass->byval_arg, error);
5018 if (!mono_error_ok (error))
5021 o = mono_runtime_invoke_checked (im, NULL, pa, error);
5022 if (!mono_error_ok (error))
5029 return mono_object_new_alloc_specific_checked (vtable, error);
5033 ves_icall_object_new_specific (MonoVTable *vtable)
5036 MonoObject *o = mono_object_new_specific_checked (vtable, &error);
5037 mono_error_set_pending_exception (&error);
5043 * mono_object_new_alloc_specific:
5044 * @vtable: virtual table for the object.
5046 * This function allocates a new `MonoObject` with the type derived
5047 * from the @vtable information. If the class of this object has a
5048 * finalizer, then the object will be tracked for finalization.
5050 * This method might raise an exception on errors. Use the
5051 * `mono_object_new_fast_checked` method if you want to manually raise
5054 * Returns: the allocated object.
5057 mono_object_new_alloc_specific (MonoVTable *vtable)
5060 MonoObject *o = mono_object_new_alloc_specific_checked (vtable, &error);
5061 mono_error_cleanup (&error);
5067 * mono_object_new_alloc_specific_checked:
5068 * @vtable: virtual table for the object.
5069 * @error: holds the error return value.
5071 * This function allocates a new `MonoObject` with the type derived
5072 * from the @vtable information. If the class of this object has a
5073 * finalizer, then the object will be tracked for finalization.
5075 * If there is not enough memory, the @error parameter will be set
5076 * and will contain a user-visible message with the amount of bytes
5077 * that were requested.
5079 * Returns: the allocated object, or NULL if there is not enough memory
5083 mono_object_new_alloc_specific_checked (MonoVTable *vtable, MonoError *error)
5085 MONO_REQ_GC_UNSAFE_MODE;
5089 mono_error_init (error);
5091 o = (MonoObject *)mono_gc_alloc_obj (vtable, vtable->klass->instance_size);
5093 if (G_UNLIKELY (!o))
5094 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", vtable->klass->instance_size);
5095 else if (G_UNLIKELY (vtable->klass->has_finalize))
5096 mono_object_register_finalizer (o, error);
5102 * mono_object_new_fast:
5103 * @vtable: virtual table for the object.
5105 * This function allocates a new `MonoObject` with the type derived
5106 * from the @vtable information. The returned object is not tracked
5107 * for finalization. If your object implements a finalizer, you should
5108 * use `mono_object_new_alloc_specific` instead.
5110 * This method might raise an exception on errors. Use the
5111 * `mono_object_new_fast_checked` method if you want to manually raise
5114 * Returns: the allocated object.
5117 mono_object_new_fast (MonoVTable *vtable)
5120 MonoObject *o = mono_object_new_fast_checked (vtable, &error);
5121 mono_error_cleanup (&error);
5127 * mono_object_new_fast_checked:
5128 * @vtable: virtual table for the object.
5129 * @error: holds the error return value.
5131 * This function allocates a new `MonoObject` with the type derived
5132 * from the @vtable information. The returned object is not tracked
5133 * for finalization. If your object implements a finalizer, you should
5134 * use `mono_object_new_alloc_specific_checked` instead.
5136 * If there is not enough memory, the @error parameter will be set
5137 * and will contain a user-visible message with the amount of bytes
5138 * that were requested.
5140 * Returns: the allocated object, or NULL if there is not enough memory
5144 mono_object_new_fast_checked (MonoVTable *vtable, MonoError *error)
5146 MONO_REQ_GC_UNSAFE_MODE;
5150 mono_error_init (error);
5152 o = mono_gc_alloc_obj (vtable, vtable->klass->instance_size);
5154 if (G_UNLIKELY (!o))
5155 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", vtable->klass->instance_size);
5161 ves_icall_object_new_fast (MonoVTable *vtable)
5164 MonoObject *o = mono_object_new_fast_checked (vtable, &error);
5165 mono_error_set_pending_exception (&error);
5171 mono_object_new_mature (MonoVTable *vtable, MonoError *error)
5173 MONO_REQ_GC_UNSAFE_MODE;
5177 mono_error_init (error);
5179 o = mono_gc_alloc_mature (vtable, vtable->klass->instance_size);
5181 if (G_UNLIKELY (!o))
5182 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", vtable->klass->instance_size);
5183 else if (G_UNLIKELY (vtable->klass->has_finalize))
5184 mono_object_register_finalizer (o, error);
5190 * mono_class_get_allocation_ftn:
5192 * @for_box: the object will be used for boxing
5193 * @pass_size_in_words:
5195 * Return the allocation function appropriate for the given class.
5199 mono_class_get_allocation_ftn (MonoVTable *vtable, gboolean for_box, gboolean *pass_size_in_words)
5201 MONO_REQ_GC_NEUTRAL_MODE;
5203 *pass_size_in_words = FALSE;
5205 if (mono_class_has_finalizer (vtable->klass) || mono_class_is_marshalbyref (vtable->klass) || (mono_profiler_get_events () & MONO_PROFILE_ALLOCATIONS))
5206 return ves_icall_object_new_specific;
5208 if (vtable->gc_descr != MONO_GC_DESCRIPTOR_NULL) {
5210 return ves_icall_object_new_fast;
5213 * FIXME: This is actually slower than ves_icall_object_new_fast, because
5214 * of the overhead of parameter passing.
5217 *pass_size_in_words = TRUE;
5218 #ifdef GC_REDIRECT_TO_LOCAL
5219 return GC_local_gcj_fast_malloc;
5221 return GC_gcj_fast_malloc;
5226 return ves_icall_object_new_specific;
5230 * mono_object_new_from_token:
5231 * @image: Context where the type_token is hosted
5232 * @token: a token of the type that we want to create
5234 * Returns: A newly created object whose definition is
5235 * looked up using @token in the @image image
5238 mono_object_new_from_token (MonoDomain *domain, MonoImage *image, guint32 token)
5240 MONO_REQ_GC_UNSAFE_MODE;
5246 klass = mono_class_get_checked (image, token, &error);
5247 mono_error_assert_ok (&error);
5249 result = mono_object_new_checked (domain, klass, &error);
5251 mono_error_cleanup (&error);
5258 * mono_object_clone:
5259 * @obj: the object to clone
5261 * Returns: A newly created object who is a shallow copy of @obj
5264 mono_object_clone (MonoObject *obj)
5267 MonoObject *o = mono_object_clone_checked (obj, &error);
5268 mono_error_cleanup (&error);
5274 mono_object_clone_checked (MonoObject *obj, MonoError *error)
5276 MONO_REQ_GC_UNSAFE_MODE;
5281 mono_error_init (error);
5283 size = obj->vtable->klass->instance_size;
5285 if (obj->vtable->klass->rank)
5286 return (MonoObject*)mono_array_clone_checked ((MonoArray*)obj, error);
5288 o = (MonoObject *)mono_gc_alloc_obj (obj->vtable, size);
5290 if (G_UNLIKELY (!o)) {
5291 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", size);
5295 /* If the object doesn't contain references this will do a simple memmove. */
5296 mono_gc_wbarrier_object_copy (o, obj);
5298 if (obj->vtable->klass->has_finalize)
5299 mono_object_register_finalizer (o, error);
5304 * mono_array_full_copy:
5305 * @src: source array to copy
5306 * @dest: destination array
5308 * Copies the content of one array to another with exactly the same type and size.
5311 mono_array_full_copy (MonoArray *src, MonoArray *dest)
5313 MONO_REQ_GC_UNSAFE_MODE;
5316 MonoClass *klass = src->obj.vtable->klass;
5318 g_assert (klass == dest->obj.vtable->klass);
5320 size = mono_array_length (src);
5321 g_assert (size == mono_array_length (dest));
5322 size *= mono_array_element_size (klass);
5324 if (klass->element_class->valuetype) {
5325 if (klass->element_class->has_references)
5326 mono_value_copy_array (dest, 0, mono_array_addr_with_size_fast (src, 0, 0), mono_array_length (src));
5328 mono_gc_memmove_atomic (&dest->vector, &src->vector, size);
5330 mono_array_memcpy_refs (dest, 0, src, 0, mono_array_length (src));
5333 mono_gc_memmove_atomic (&dest->vector, &src->vector, size);
5338 * mono_array_clone_in_domain:
5339 * @domain: the domain in which the array will be cloned into
5340 * @array: the array to clone
5341 * @error: set on error
5343 * This routine returns a copy of the array that is hosted on the
5344 * specified MonoDomain. On failure returns NULL and sets @error.
5347 mono_array_clone_in_domain (MonoDomain *domain, MonoArray *array, MonoError *error)
5349 MONO_REQ_GC_UNSAFE_MODE;
5354 MonoClass *klass = array->obj.vtable->klass;
5356 mono_error_init (error);
5358 if (array->bounds == NULL) {
5359 size = mono_array_length (array);
5360 o = mono_array_new_full_checked (domain, klass, &size, NULL, error);
5361 return_val_if_nok (error, NULL);
5363 size *= mono_array_element_size (klass);
5365 if (klass->element_class->valuetype) {
5366 if (klass->element_class->has_references)
5367 mono_value_copy_array (o, 0, mono_array_addr_with_size_fast (array, 0, 0), mono_array_length (array));
5369 mono_gc_memmove_atomic (&o->vector, &array->vector, size);
5371 mono_array_memcpy_refs (o, 0, array, 0, mono_array_length (array));
5374 mono_gc_memmove_atomic (&o->vector, &array->vector, size);
5379 sizes = (uintptr_t *)alloca (klass->rank * sizeof(intptr_t) * 2);
5380 size = mono_array_element_size (klass);
5381 for (i = 0; i < klass->rank; ++i) {
5382 sizes [i] = array->bounds [i].length;
5383 size *= array->bounds [i].length;
5384 sizes [i + klass->rank] = array->bounds [i].lower_bound;
5386 o = mono_array_new_full_checked (domain, klass, sizes, (intptr_t*)sizes + klass->rank, error);
5387 return_val_if_nok (error, NULL);
5389 if (klass->element_class->valuetype) {
5390 if (klass->element_class->has_references)
5391 mono_value_copy_array (o, 0, mono_array_addr_with_size_fast (array, 0, 0), mono_array_length (array));
5393 mono_gc_memmove_atomic (&o->vector, &array->vector, size);
5395 mono_array_memcpy_refs (o, 0, array, 0, mono_array_length (array));
5398 mono_gc_memmove_atomic (&o->vector, &array->vector, size);
5406 * @array: the array to clone
5408 * Returns: A newly created array who is a shallow copy of @array
5411 mono_array_clone (MonoArray *array)
5413 MONO_REQ_GC_UNSAFE_MODE;
5416 MonoArray *result = mono_array_clone_checked (array, &error);
5417 mono_error_cleanup (&error);
5422 * mono_array_clone_checked:
5423 * @array: the array to clone
5424 * @error: set on error
5426 * Returns: A newly created array who is a shallow copy of @array. On
5427 * failure returns NULL and sets @error.
5430 mono_array_clone_checked (MonoArray *array, MonoError *error)
5433 MONO_REQ_GC_UNSAFE_MODE;
5434 return mono_array_clone_in_domain (((MonoObject *)array)->vtable->domain, array, error);
5437 /* helper macros to check for overflow when calculating the size of arrays */
5438 #ifdef MONO_BIG_ARRAYS
5439 #define MYGUINT64_MAX 0x0000FFFFFFFFFFFFUL
5440 #define MYGUINT_MAX MYGUINT64_MAX
5441 #define CHECK_ADD_OVERFLOW_UN(a,b) \
5442 (G_UNLIKELY ((guint64)(MYGUINT64_MAX) - (guint64)(b) < (guint64)(a)))
5443 #define CHECK_MUL_OVERFLOW_UN(a,b) \
5444 (G_UNLIKELY (((guint64)(a) > 0) && ((guint64)(b) > 0) && \
5445 ((guint64)(b) > ((MYGUINT64_MAX) / (guint64)(a)))))
5447 #define MYGUINT32_MAX 4294967295U
5448 #define MYGUINT_MAX MYGUINT32_MAX
5449 #define CHECK_ADD_OVERFLOW_UN(a,b) \
5450 (G_UNLIKELY ((guint32)(MYGUINT32_MAX) - (guint32)(b) < (guint32)(a)))
5451 #define CHECK_MUL_OVERFLOW_UN(a,b) \
5452 (G_UNLIKELY (((guint32)(a) > 0) && ((guint32)(b) > 0) && \
5453 ((guint32)(b) > ((MYGUINT32_MAX) / (guint32)(a)))))
5457 mono_array_calc_byte_len (MonoClass *klass, uintptr_t len, uintptr_t *res)
5459 MONO_REQ_GC_NEUTRAL_MODE;
5463 byte_len = mono_array_element_size (klass);
5464 if (CHECK_MUL_OVERFLOW_UN (byte_len, len))
5467 if (CHECK_ADD_OVERFLOW_UN (byte_len, MONO_SIZEOF_MONO_ARRAY))
5469 byte_len += MONO_SIZEOF_MONO_ARRAY;
5477 * mono_array_new_full:
5478 * @domain: domain where the object is created
5479 * @array_class: array class
5480 * @lengths: lengths for each dimension in the array
5481 * @lower_bounds: lower bounds for each dimension in the array (may be NULL)
5483 * This routine creates a new array objects with the given dimensions,
5484 * lower bounds and type.
5487 mono_array_new_full (MonoDomain *domain, MonoClass *array_class, uintptr_t *lengths, intptr_t *lower_bounds)
5490 MonoArray *array = mono_array_new_full_checked (domain, array_class, lengths, lower_bounds, &error);
5491 mono_error_cleanup (&error);
5497 mono_array_new_full_checked (MonoDomain *domain, MonoClass *array_class, uintptr_t *lengths, intptr_t *lower_bounds, MonoError *error)
5499 MONO_REQ_GC_UNSAFE_MODE;
5501 uintptr_t byte_len = 0, len, bounds_size;
5504 MonoArrayBounds *bounds;
5508 mono_error_init (error);
5510 if (!array_class->inited)
5511 mono_class_init (array_class);
5515 /* A single dimensional array with a 0 lower bound is the same as an szarray */
5516 if (array_class->rank == 1 && ((array_class->byval_arg.type == MONO_TYPE_SZARRAY) || (lower_bounds && lower_bounds [0] == 0))) {
5518 if (len > MONO_ARRAY_MAX_INDEX) {
5519 mono_error_set_generic_error (error, "System", "OverflowException", "");
5524 bounds_size = sizeof (MonoArrayBounds) * array_class->rank;
5526 for (i = 0; i < array_class->rank; ++i) {
5527 if (lengths [i] > MONO_ARRAY_MAX_INDEX) {
5528 mono_error_set_generic_error (error, "System", "OverflowException", "");
5531 if (CHECK_MUL_OVERFLOW_UN (len, lengths [i])) {
5532 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", MONO_ARRAY_MAX_SIZE);
5539 if (!mono_array_calc_byte_len (array_class, len, &byte_len)) {
5540 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", MONO_ARRAY_MAX_SIZE);
5546 if (CHECK_ADD_OVERFLOW_UN (byte_len, 3)) {
5547 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", MONO_ARRAY_MAX_SIZE);
5550 byte_len = (byte_len + 3) & ~3;
5551 if (CHECK_ADD_OVERFLOW_UN (byte_len, bounds_size)) {
5552 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", MONO_ARRAY_MAX_SIZE);
5555 byte_len += bounds_size;
5558 * Following three lines almost taken from mono_object_new ():
5559 * they need to be kept in sync.
5561 vtable = mono_class_vtable_full (domain, array_class, error);
5562 return_val_if_nok (error, NULL);
5565 o = (MonoObject *)mono_gc_alloc_array (vtable, byte_len, len, bounds_size);
5567 o = (MonoObject *)mono_gc_alloc_vector (vtable, byte_len, len);
5569 if (G_UNLIKELY (!o)) {
5570 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", byte_len);
5574 array = (MonoArray*)o;
5576 bounds = array->bounds;
5579 for (i = 0; i < array_class->rank; ++i) {
5580 bounds [i].length = lengths [i];
5582 bounds [i].lower_bound = lower_bounds [i];
5591 * @domain: domain where the object is created
5592 * @eclass: element class
5593 * @n: number of array elements
5595 * This routine creates a new szarray with @n elements of type @eclass.
5598 mono_array_new (MonoDomain *domain, MonoClass *eclass, uintptr_t n)
5600 MONO_REQ_GC_UNSAFE_MODE;
5603 MonoArray *result = mono_array_new_checked (domain, eclass, n, &error);
5604 mono_error_cleanup (&error);
5609 * mono_array_new_checked:
5610 * @domain: domain where the object is created
5611 * @eclass: element class
5612 * @n: number of array elements
5613 * @error: set on error
5615 * This routine creates a new szarray with @n elements of type @eclass.
5616 * On failure returns NULL and sets @error.
5619 mono_array_new_checked (MonoDomain *domain, MonoClass *eclass, uintptr_t n, MonoError *error)
5623 mono_error_init (error);
5625 ac = mono_array_class_get (eclass, 1);
5628 MonoVTable *vtable = mono_class_vtable_full (domain, ac, error);
5629 return_val_if_nok (error, NULL);
5631 return mono_array_new_specific_checked (vtable, n, error);
5635 ves_icall_array_new (MonoDomain *domain, MonoClass *eclass, uintptr_t n)
5638 MonoArray *arr = mono_array_new_checked (domain, eclass, n, &error);
5639 mono_error_set_pending_exception (&error);
5645 * mono_array_new_specific:
5646 * @vtable: a vtable in the appropriate domain for an initialized class
5647 * @n: number of array elements
5649 * This routine is a fast alternative to mono_array_new() for code which
5650 * can be sure about the domain it operates in.
5653 mono_array_new_specific (MonoVTable *vtable, uintptr_t n)
5656 MonoArray *arr = mono_array_new_specific_checked (vtable, n, &error);
5657 mono_error_cleanup (&error);
5663 mono_array_new_specific_checked (MonoVTable *vtable, uintptr_t n, MonoError *error)
5665 MONO_REQ_GC_UNSAFE_MODE;
5670 mono_error_init (error);
5672 if (G_UNLIKELY (n > MONO_ARRAY_MAX_INDEX)) {
5673 mono_error_set_generic_error (error, "System", "OverflowException", "");
5677 if (!mono_array_calc_byte_len (vtable->klass, n, &byte_len)) {
5678 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", MONO_ARRAY_MAX_SIZE);
5681 o = (MonoObject *)mono_gc_alloc_vector (vtable, byte_len, n);
5683 if (G_UNLIKELY (!o)) {
5684 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", byte_len);
5688 return (MonoArray*)o;
5692 ves_icall_array_new_specific (MonoVTable *vtable, uintptr_t n)
5695 MonoArray *arr = mono_array_new_specific_checked (vtable, n, &error);
5696 mono_error_set_pending_exception (&error);
5702 * mono_string_new_utf16:
5703 * @text: a pointer to an utf16 string
5704 * @len: the length of the string
5706 * Returns: A newly created string object which contains @text.
5709 mono_string_new_utf16 (MonoDomain *domain, const guint16 *text, gint32 len)
5711 MONO_REQ_GC_UNSAFE_MODE;
5714 MonoString *res = NULL;
5715 res = mono_string_new_utf16_checked (domain, text, len, &error);
5716 mono_error_cleanup (&error);
5722 * mono_string_new_utf16_checked:
5723 * @text: a pointer to an utf16 string
5724 * @len: the length of the string
5725 * @error: written on error.
5727 * Returns: A newly created string object which contains @text.
5728 * On error, returns NULL and sets @error.
5731 mono_string_new_utf16_checked (MonoDomain *domain, const guint16 *text, gint32 len, MonoError *error)
5733 MONO_REQ_GC_UNSAFE_MODE;
5737 mono_error_init (error);
5739 s = mono_string_new_size_checked (domain, len, error);
5741 memcpy (mono_string_chars (s), text, len * 2);
5747 * mono_string_new_utf32:
5748 * @text: a pointer to an utf32 string
5749 * @len: the length of the string
5750 * @error: set on failure.
5752 * Returns: A newly created string object which contains @text. On failure returns NULL and sets @error.
5755 mono_string_new_utf32_checked (MonoDomain *domain, const mono_unichar4 *text, gint32 len, MonoError *error)
5757 MONO_REQ_GC_UNSAFE_MODE;
5760 mono_unichar2 *utf16_output = NULL;
5761 gint32 utf16_len = 0;
5762 GError *gerror = NULL;
5763 glong items_written;
5765 mono_error_init (error);
5766 utf16_output = g_ucs4_to_utf16 (text, len, NULL, &items_written, &gerror);
5769 g_error_free (gerror);
5771 while (utf16_output [utf16_len]) utf16_len++;
5773 s = mono_string_new_size_checked (domain, utf16_len, error);
5774 return_val_if_nok (error, NULL);
5776 memcpy (mono_string_chars (s), utf16_output, utf16_len * 2);
5778 g_free (utf16_output);
5784 * mono_string_new_utf32:
5785 * @text: a pointer to an utf32 string
5786 * @len: the length of the string
5788 * Returns: A newly created string object which contains @text.
5791 mono_string_new_utf32 (MonoDomain *domain, const mono_unichar4 *text, gint32 len)
5794 MonoString *result = mono_string_new_utf32_checked (domain, text, len, &error);
5795 mono_error_cleanup (&error);
5800 * mono_string_new_size:
5801 * @text: a pointer to an utf16 string
5802 * @len: the length of the string
5804 * Returns: A newly created string object of @len
5807 mono_string_new_size (MonoDomain *domain, gint32 len)
5810 MonoString *str = mono_string_new_size_checked (domain, len, &error);
5811 mono_error_cleanup (&error);
5817 mono_string_new_size_checked (MonoDomain *domain, gint32 len, MonoError *error)
5819 MONO_REQ_GC_UNSAFE_MODE;
5825 mono_error_init (error);
5827 /* check for overflow */
5828 if (len < 0 || len > ((SIZE_MAX - G_STRUCT_OFFSET (MonoString, chars) - 8) / 2)) {
5829 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", -1);
5833 size = (G_STRUCT_OFFSET (MonoString, chars) + (((size_t)len + 1) * 2));
5834 g_assert (size > 0);
5836 vtable = mono_class_vtable (domain, mono_defaults.string_class);
5839 s = (MonoString *)mono_gc_alloc_string (vtable, size, len);
5841 if (G_UNLIKELY (!s)) {
5842 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", size);
5850 * mono_string_new_len:
5851 * @text: a pointer to an utf8 string
5852 * @length: number of bytes in @text to consider
5854 * Returns: A newly created string object which contains @text.
5857 mono_string_new_len (MonoDomain *domain, const char *text, guint length)
5859 MONO_REQ_GC_UNSAFE_MODE;
5862 MonoString *result = mono_string_new_len_checked (domain, text, length, &error);
5863 mono_error_cleanup (&error);
5868 * mono_string_new_len_checked:
5869 * @text: a pointer to an utf8 string
5870 * @length: number of bytes in @text to consider
5871 * @error: set on error
5873 * Returns: A newly created string object which contains @text. On
5874 * failure returns NULL and sets @error.
5877 mono_string_new_len_checked (MonoDomain *domain, const char *text, guint length, MonoError *error)
5879 MONO_REQ_GC_UNSAFE_MODE;
5881 mono_error_init (error);
5883 GError *eg_error = NULL;
5884 MonoString *o = NULL;
5886 glong items_written;
5888 ut = eg_utf8_to_utf16_with_nuls (text, length, NULL, &items_written, &eg_error);
5891 o = mono_string_new_utf16_checked (domain, ut, items_written, error);
5893 g_error_free (eg_error);
5902 * @text: a pointer to an utf8 string
5904 * Returns: A newly created string object which contains @text.
5906 * This function asserts if it cannot allocate a new string.
5908 * @deprecated Use mono_string_new_checked in new code.
5911 mono_string_new (MonoDomain *domain, const char *text)
5914 MonoString *res = NULL;
5915 res = mono_string_new_checked (domain, text, &error);
5916 mono_error_assert_ok (&error);
5921 * mono_string_new_checked:
5922 * @text: a pointer to an utf8 string
5923 * @merror: set on error
5925 * Returns: A newly created string object which contains @text.
5926 * On error returns NULL and sets @merror.
5929 mono_string_new_checked (MonoDomain *domain, const char *text, MonoError *error)
5931 MONO_REQ_GC_UNSAFE_MODE;
5933 GError *eg_error = NULL;
5934 MonoString *o = NULL;
5936 glong items_written;
5939 mono_error_init (error);
5943 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &eg_error);
5946 o = mono_string_new_utf16_checked (domain, ut, items_written, error);
5948 g_error_free (eg_error);
5952 /*FIXME g_utf8_get_char, g_utf8_next_char and g_utf8_validate are not part of eglib.*/
5957 MonoString *o = NULL;
5959 if (!g_utf8_validate (text, -1, &end)) {
5960 mono_error_set_argument (error, "text", "Not a valid utf8 string");
5964 len = g_utf8_strlen (text, -1);
5965 o = mono_string_new_size_checked (domain, len, error);
5968 str = mono_string_chars (o);
5970 while (text < end) {
5971 *str++ = g_utf8_get_char (text);
5972 text = g_utf8_next_char (text);
5981 * mono_string_new_wrapper:
5982 * @text: pointer to utf8 characters.
5984 * Helper function to create a string object from @text in the current domain.
5987 mono_string_new_wrapper (const char *text)
5989 MONO_REQ_GC_UNSAFE_MODE;
5991 MonoDomain *domain = mono_domain_get ();
5994 return mono_string_new (domain, text);
6001 * @class: the class of the value
6002 * @value: a pointer to the unboxed data
6004 * Returns: A newly created object which contains @value.
6007 mono_value_box (MonoDomain *domain, MonoClass *klass, gpointer value)
6010 MonoObject *result = mono_value_box_checked (domain, klass, value, &error);
6011 mono_error_cleanup (&error);
6016 * mono_value_box_checked:
6017 * @domain: the domain of the new object
6018 * @class: the class of the value
6019 * @value: a pointer to the unboxed data
6020 * @error: set on error
6022 * Returns: A newly created object which contains @value. On failure
6023 * returns NULL and sets @error.
6026 mono_value_box_checked (MonoDomain *domain, MonoClass *klass, gpointer value, MonoError *error)
6028 MONO_REQ_GC_UNSAFE_MODE;
6033 mono_error_init (error);
6035 g_assert (klass->valuetype);
6036 if (mono_class_is_nullable (klass))
6037 return mono_nullable_box ((guint8 *)value, klass, error);
6039 vtable = mono_class_vtable (domain, klass);
6042 size = mono_class_instance_size (klass);
6043 res = mono_object_new_alloc_specific_checked (vtable, error);
6044 return_val_if_nok (error, NULL);
6046 size = size - sizeof (MonoObject);
6049 g_assert (size == mono_class_value_size (klass, NULL));
6050 mono_gc_wbarrier_value_copy ((char *)res + sizeof (MonoObject), value, 1, klass);
6052 #if NO_UNALIGNED_ACCESS
6053 mono_gc_memmove_atomic ((char *)res + sizeof (MonoObject), value, size);
6057 *((guint8 *) res + sizeof (MonoObject)) = *(guint8 *) value;
6060 *(guint16 *)((guint8 *) res + sizeof (MonoObject)) = *(guint16 *) value;
6063 *(guint32 *)((guint8 *) res + sizeof (MonoObject)) = *(guint32 *) value;
6066 *(guint64 *)((guint8 *) res + sizeof (MonoObject)) = *(guint64 *) value;
6069 mono_gc_memmove_atomic ((char *)res + sizeof (MonoObject), value, size);
6073 if (klass->has_finalize) {
6074 mono_object_register_finalizer (res, error);
6075 return_val_if_nok (error, NULL);
6082 * @dest: destination pointer
6083 * @src: source pointer
6084 * @klass: a valuetype class
6086 * Copy a valuetype from @src to @dest. This function must be used
6087 * when @klass contains references fields.
6090 mono_value_copy (gpointer dest, gpointer src, MonoClass *klass)
6092 MONO_REQ_GC_UNSAFE_MODE;
6094 mono_gc_wbarrier_value_copy (dest, src, 1, klass);
6098 * mono_value_copy_array:
6099 * @dest: destination array
6100 * @dest_idx: index in the @dest array
6101 * @src: source pointer
6102 * @count: number of items
6104 * Copy @count valuetype items from @src to the array @dest at index @dest_idx.
6105 * This function must be used when @klass contains references fields.
6106 * Overlap is handled.
6109 mono_value_copy_array (MonoArray *dest, int dest_idx, gpointer src, int count)
6111 MONO_REQ_GC_UNSAFE_MODE;
6113 int size = mono_array_element_size (dest->obj.vtable->klass);
6114 char *d = mono_array_addr_with_size_fast (dest, size, dest_idx);
6115 g_assert (size == mono_class_value_size (mono_object_class (dest)->element_class, NULL));
6116 mono_gc_wbarrier_value_copy (d, src, count, mono_object_class (dest)->element_class);
6120 * mono_object_get_domain:
6121 * @obj: object to query
6123 * Returns: the MonoDomain where the object is hosted
6126 mono_object_get_domain (MonoObject *obj)
6128 MONO_REQ_GC_UNSAFE_MODE;
6130 return mono_object_domain (obj);
6134 * mono_object_get_class:
6135 * @obj: object to query
6137 * Use this function to obtain the `MonoClass*` for a given `MonoObject`.
6139 * Returns: the MonoClass of the object.
6142 mono_object_get_class (MonoObject *obj)
6144 MONO_REQ_GC_UNSAFE_MODE;
6146 return mono_object_class (obj);
6149 * mono_object_get_size:
6150 * @o: object to query
6152 * Returns: the size, in bytes, of @o
6155 mono_object_get_size (MonoObject* o)
6157 MONO_REQ_GC_UNSAFE_MODE;
6159 MonoClass* klass = mono_object_class (o);
6160 if (klass == mono_defaults.string_class) {
6161 return sizeof (MonoString) + 2 * mono_string_length ((MonoString*) o) + 2;
6162 } else if (o->vtable->rank) {
6163 MonoArray *array = (MonoArray*)o;
6164 size_t size = MONO_SIZEOF_MONO_ARRAY + mono_array_element_size (klass) * mono_array_length (array);
6165 if (array->bounds) {
6168 size += sizeof (MonoArrayBounds) * o->vtable->rank;
6172 return mono_class_instance_size (klass);
6177 * mono_object_unbox:
6178 * @obj: object to unbox
6180 * Returns: a pointer to the start of the valuetype boxed in this
6183 * This method will assert if the object passed is not a valuetype.
6186 mono_object_unbox (MonoObject *obj)
6188 MONO_REQ_GC_UNSAFE_MODE;
6190 /* add assert for valuetypes? */
6191 g_assert (obj->vtable->klass->valuetype);
6192 return ((char*)obj) + sizeof (MonoObject);
6196 * mono_object_isinst:
6198 * @klass: a pointer to a class
6200 * Returns: @obj if @obj is derived from @klass or NULL otherwise.
6203 mono_object_isinst (MonoObject *obj, MonoClass *klass)
6205 MONO_REQ_GC_UNSAFE_MODE;
6208 MonoObject *result = mono_object_isinst_checked (obj, klass, &error);
6209 mono_error_cleanup (&error);
6215 * mono_object_isinst_checked:
6217 * @klass: a pointer to a class
6218 * @error: set on error
6220 * Returns: @obj if @obj is derived from @klass or NULL if it isn't.
6221 * On failure returns NULL and sets @error.
6224 mono_object_isinst_checked (MonoObject *obj, MonoClass *klass, MonoError *error)
6226 MONO_REQ_GC_UNSAFE_MODE;
6228 mono_error_init (error);
6230 MonoObject *result = NULL;
6233 mono_class_init (klass);
6235 if (mono_class_is_marshalbyref (klass) || (klass->flags & TYPE_ATTRIBUTE_INTERFACE)) {
6236 result = mono_object_isinst_mbyref_checked (obj, klass, error);
6243 return mono_class_is_assignable_from (klass, obj->vtable->klass) ? obj : NULL;
6247 mono_object_isinst_mbyref (MonoObject *obj, MonoClass *klass)
6249 MONO_REQ_GC_UNSAFE_MODE;
6252 MonoObject *result = mono_object_isinst_mbyref_checked (obj, klass, &error);
6253 mono_error_cleanup (&error); /* FIXME better API that doesn't swallow the error */
6258 mono_object_isinst_mbyref_checked (MonoObject *obj, MonoClass *klass, MonoError *error)
6260 MONO_REQ_GC_UNSAFE_MODE;
6264 mono_error_init (error);
6271 if (klass->flags & TYPE_ATTRIBUTE_INTERFACE) {
6272 if (MONO_VTABLE_IMPLEMENTS_INTERFACE (vt, klass->interface_id)) {
6276 /*If the above check fails we are in the slow path of possibly raising an exception. So it's ok to it this way.*/
6277 if (mono_class_has_variant_generic_params (klass) && mono_class_is_assignable_from (klass, obj->vtable->klass))
6280 MonoClass *oklass = vt->klass;
6281 if (mono_class_is_transparent_proxy (oklass))
6282 oklass = ((MonoTransparentProxy *)obj)->remote_class->proxy_class;
6284 mono_class_setup_supertypes (klass);
6285 if ((oklass->idepth >= klass->idepth) && (oklass->supertypes [klass->idepth - 1] == klass))
6288 #ifndef DISABLE_REMOTING
6289 if (vt->klass == mono_defaults.transparent_proxy_class && ((MonoTransparentProxy *)obj)->custom_type_info)
6291 MonoDomain *domain = mono_domain_get ();
6293 MonoObject *rp = (MonoObject *)((MonoTransparentProxy *)obj)->rp;
6294 MonoClass *rpklass = mono_defaults.iremotingtypeinfo_class;
6295 MonoMethod *im = NULL;
6298 im = mono_class_get_method_from_name (rpklass, "CanCastTo", -1);
6300 mono_error_set_not_supported (error, "Linked away.");
6303 im = mono_object_get_virtual_method (rp, im);
6306 pa [0] = mono_type_get_object_checked (domain, &klass->byval_arg, error);
6307 return_val_if_nok (error, NULL);
6310 res = mono_runtime_invoke_checked (im, rp, pa, error);
6311 return_val_if_nok (error, NULL);
6313 if (*(MonoBoolean *) mono_object_unbox(res)) {
6314 /* Update the vtable of the remote type, so it can safely cast to this new type */
6315 mono_upgrade_remote_class (domain, obj, klass);
6319 #endif /* DISABLE_REMOTING */
6324 * mono_object_castclass_mbyref:
6326 * @klass: a pointer to a class
6328 * Returns: @obj if @obj is derived from @klass, returns NULL otherwise.
6331 mono_object_castclass_mbyref (MonoObject *obj, MonoClass *klass)
6333 MONO_REQ_GC_UNSAFE_MODE;
6336 if (!obj) return NULL;
6337 if (mono_object_isinst_mbyref_checked (obj, klass, &error)) return obj;
6338 mono_error_cleanup (&error);
6343 MonoDomain *orig_domain;
6349 str_lookup (MonoDomain *domain, gpointer user_data)
6351 MONO_REQ_GC_UNSAFE_MODE;
6353 LDStrInfo *info = (LDStrInfo *)user_data;
6354 if (info->res || domain == info->orig_domain)
6356 info->res = (MonoString *)mono_g_hash_table_lookup (domain->ldstr_table, info->ins);
6360 mono_string_get_pinned (MonoString *str, MonoError *error)
6362 MONO_REQ_GC_UNSAFE_MODE;
6364 mono_error_init (error);
6366 /* We only need to make a pinned version of a string if this is a moving GC */
6367 if (!mono_gc_is_moving ())
6371 size = sizeof (MonoString) + 2 * (mono_string_length (str) + 1);
6372 news = (MonoString *)mono_gc_alloc_pinned_obj (((MonoObject*)str)->vtable, size);
6374 memcpy (mono_string_chars (news), mono_string_chars (str), mono_string_length (str) * 2);
6375 news->length = mono_string_length (str);
6377 mono_error_set_out_of_memory (error, "Could not allocate %i bytes", size);
6383 mono_string_is_interned_lookup (MonoString *str, int insert, MonoError *error)
6385 MONO_REQ_GC_UNSAFE_MODE;
6387 MonoGHashTable *ldstr_table;
6388 MonoString *s, *res;
6391 mono_error_init (error);
6393 domain = ((MonoObject *)str)->vtable->domain;
6394 ldstr_table = domain->ldstr_table;
6396 res = (MonoString *)mono_g_hash_table_lookup (ldstr_table, str);
6402 /* Allocate outside the lock */
6404 s = mono_string_get_pinned (str, error);
6405 return_val_if_nok (error, NULL);
6408 res = (MonoString *)mono_g_hash_table_lookup (ldstr_table, str);
6413 mono_g_hash_table_insert (ldstr_table, s, s);
6418 LDStrInfo ldstr_info;
6419 ldstr_info.orig_domain = domain;
6420 ldstr_info.ins = str;
6421 ldstr_info.res = NULL;
6423 mono_domain_foreach (str_lookup, &ldstr_info);
6424 if (ldstr_info.res) {
6426 * the string was already interned in some other domain:
6427 * intern it in the current one as well.
6429 mono_g_hash_table_insert (ldstr_table, str, str);
6439 * mono_string_is_interned:
6440 * @o: String to probe
6442 * Returns whether the string has been interned.
6445 mono_string_is_interned (MonoString *o)
6448 MonoString *result = mono_string_is_interned_lookup (o, FALSE, &error);
6449 /* This function does not fail. */
6450 mono_error_assert_ok (&error);
6455 * mono_string_intern:
6456 * @o: String to intern
6458 * Interns the string passed.
6459 * Returns: The interned string.
6462 mono_string_intern (MonoString *str)
6465 MonoString *result = mono_string_intern_checked (str, &error);
6466 mono_error_assert_ok (&error);
6471 * mono_string_intern_checked:
6472 * @o: String to intern
6473 * @error: set on error.
6475 * Interns the string passed.
6476 * Returns: The interned string. On failure returns NULL and sets @error
6479 mono_string_intern_checked (MonoString *str, MonoError *error)
6481 MONO_REQ_GC_UNSAFE_MODE;
6483 mono_error_init (error);
6485 return mono_string_is_interned_lookup (str, TRUE, error);
6490 * @domain: the domain where the string will be used.
6491 * @image: a metadata context
6492 * @idx: index into the user string table.
6494 * Implementation for the ldstr opcode.
6495 * Returns: a loaded string from the @image/@idx combination.
6498 mono_ldstr (MonoDomain *domain, MonoImage *image, guint32 idx)
6500 MONO_REQ_GC_UNSAFE_MODE;
6503 if (image->dynamic) {
6504 MonoString *str = (MonoString *)mono_lookup_dynamic_token (image, MONO_TOKEN_STRING | idx, NULL, &error);
6505 mono_error_raise_exception (&error); /* FIXME don't raise here */
6508 if (!mono_verifier_verify_string_signature (image, idx, NULL))
6509 return NULL; /*FIXME we should probably be raising an exception here*/
6510 MonoString *str = mono_ldstr_metadata_sig (domain, mono_metadata_user_string (image, idx), &error);
6511 mono_error_raise_exception (&error); /* FIXME don't raise here */
6517 * mono_ldstr_metadata_sig
6518 * @domain: the domain for the string
6519 * @sig: the signature of a metadata string
6520 * @error: set on error
6522 * Returns: a MonoString for a string stored in the metadata. On
6523 * failure returns NULL and sets @error.
6526 mono_ldstr_metadata_sig (MonoDomain *domain, const char* sig, MonoError *error)
6528 MONO_REQ_GC_UNSAFE_MODE;
6530 mono_error_init (error);
6531 const char *str = sig;
6532 MonoString *o, *interned;
6535 len2 = mono_metadata_decode_blob_size (str, &str);
6538 o = mono_string_new_utf16_checked (domain, (guint16*)str, len2, error);
6539 return_val_if_nok (error, NULL);
6540 #if G_BYTE_ORDER != G_LITTLE_ENDIAN
6543 guint16 *p2 = (guint16*)mono_string_chars (o);
6544 for (i = 0; i < len2; ++i) {
6545 *p2 = GUINT16_FROM_LE (*p2);
6551 interned = (MonoString *)mono_g_hash_table_lookup (domain->ldstr_table, o);
6554 return interned; /* o will get garbage collected */
6556 o = mono_string_get_pinned (o, error);
6559 interned = (MonoString *)mono_g_hash_table_lookup (domain->ldstr_table, o);
6561 mono_g_hash_table_insert (domain->ldstr_table, o, o);
6571 * mono_string_to_utf8:
6572 * @s: a System.String
6574 * Returns the UTF8 representation for @s.
6575 * The resulting buffer needs to be freed with mono_free().
6577 * @deprecated Use mono_string_to_utf8_checked to avoid having an exception arbritraly raised.
6580 mono_string_to_utf8 (MonoString *s)
6582 MONO_REQ_GC_UNSAFE_MODE;
6585 char *result = mono_string_to_utf8_checked (s, &error);
6587 if (!mono_error_ok (&error))
6588 mono_error_raise_exception (&error);
6593 * mono_string_to_utf8_checked:
6594 * @s: a System.String
6595 * @error: a MonoError.
6597 * Converts a MonoString to its UTF8 representation. May fail; check
6598 * @error to determine whether the conversion was successful.
6599 * The resulting buffer should be freed with mono_free().
6602 mono_string_to_utf8_checked (MonoString *s, MonoError *error)
6604 MONO_REQ_GC_UNSAFE_MODE;
6608 GError *gerror = NULL;
6610 mono_error_init (error);
6616 return g_strdup ("");
6618 as = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &written, &gerror);
6620 mono_error_set_argument (error, "string", "%s", gerror->message);
6621 g_error_free (gerror);
6624 /* g_utf16_to_utf8 may not be able to complete the convertion (e.g. NULL values were found, #335488) */
6625 if (s->length > written) {
6626 /* allocate the total length and copy the part of the string that has been converted */
6627 char *as2 = (char *)g_malloc0 (s->length);
6628 memcpy (as2, as, written);
6637 * mono_string_to_utf8_ignore:
6640 * Converts a MonoString to its UTF8 representation. Will ignore
6641 * invalid surrogate pairs.
6642 * The resulting buffer should be freed with mono_free().
6646 mono_string_to_utf8_ignore (MonoString *s)
6648 MONO_REQ_GC_UNSAFE_MODE;
6657 return g_strdup ("");
6659 as = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &written, NULL);
6661 /* g_utf16_to_utf8 may not be able to complete the convertion (e.g. NULL values were found, #335488) */
6662 if (s->length > written) {
6663 /* allocate the total length and copy the part of the string that has been converted */
6664 char *as2 = (char *)g_malloc0 (s->length);
6665 memcpy (as2, as, written);
6674 * mono_string_to_utf8_image_ignore:
6675 * @s: a System.String
6677 * Same as mono_string_to_utf8_ignore, but allocate the string from the image mempool.
6680 mono_string_to_utf8_image_ignore (MonoImage *image, MonoString *s)
6682 MONO_REQ_GC_UNSAFE_MODE;
6684 return mono_string_to_utf8_internal (NULL, image, s, TRUE, NULL);
6688 * mono_string_to_utf8_mp_ignore:
6689 * @s: a System.String
6691 * Same as mono_string_to_utf8_ignore, but allocate the string from a mempool.
6694 mono_string_to_utf8_mp_ignore (MonoMemPool *mp, MonoString *s)
6696 MONO_REQ_GC_UNSAFE_MODE;
6698 return mono_string_to_utf8_internal (mp, NULL, s, TRUE, NULL);
6703 * mono_string_to_utf16:
6706 * Return an null-terminated array of the utf-16 chars
6707 * contained in @s. The result must be freed with g_free().
6708 * This is a temporary helper until our string implementation
6709 * is reworked to always include the null terminating char.
6712 mono_string_to_utf16 (MonoString *s)
6714 MONO_REQ_GC_UNSAFE_MODE;
6721 as = (char *)g_malloc ((s->length * 2) + 2);
6722 as [(s->length * 2)] = '\0';
6723 as [(s->length * 2) + 1] = '\0';
6726 return (gunichar2 *)(as);
6729 memcpy (as, mono_string_chars(s), s->length * 2);
6730 return (gunichar2 *)(as);
6734 * mono_string_to_utf32:
6737 * Return an null-terminated array of the UTF-32 (UCS-4) chars
6738 * contained in @s. The result must be freed with g_free().
6741 mono_string_to_utf32 (MonoString *s)
6743 MONO_REQ_GC_UNSAFE_MODE;
6745 mono_unichar4 *utf32_output = NULL;
6746 GError *error = NULL;
6747 glong items_written;
6752 utf32_output = g_utf16_to_ucs4 (s->chars, s->length, NULL, &items_written, &error);
6755 g_error_free (error);
6757 return utf32_output;
6761 * mono_string_from_utf16:
6762 * @data: the UTF16 string (LPWSTR) to convert
6764 * Converts a NULL terminated UTF16 string (LPWSTR) to a MonoString.
6766 * Returns: a MonoString.
6769 mono_string_from_utf16 (gunichar2 *data)
6771 MONO_REQ_GC_UNSAFE_MODE;
6774 MonoString *res = NULL;
6775 MonoDomain *domain = mono_domain_get ();
6781 while (data [len]) len++;
6783 res = mono_string_new_utf16_checked (domain, data, len, &error);
6784 mono_error_raise_exception (&error); /* FIXME don't raise here */
6789 * mono_string_from_utf32:
6790 * @data: the UTF32 string (LPWSTR) to convert
6792 * Converts a UTF32 (UCS-4)to a MonoString.
6794 * Returns: a MonoString.
6797 mono_string_from_utf32 (mono_unichar4 *data)
6799 MONO_REQ_GC_UNSAFE_MODE;
6801 MonoString* result = NULL;
6802 mono_unichar2 *utf16_output = NULL;
6803 GError *error = NULL;
6804 glong items_written;
6810 while (data [len]) len++;
6812 utf16_output = g_ucs4_to_utf16 (data, len, NULL, &items_written, &error);
6815 g_error_free (error);
6817 result = mono_string_from_utf16 (utf16_output);
6818 g_free (utf16_output);
6823 mono_string_to_utf8_internal (MonoMemPool *mp, MonoImage *image, MonoString *s, gboolean ignore_error, MonoError *error)
6825 MONO_REQ_GC_UNSAFE_MODE;
6832 r = mono_string_to_utf8_ignore (s);
6834 r = mono_string_to_utf8_checked (s, error);
6835 if (!mono_error_ok (error))
6842 len = strlen (r) + 1;
6844 mp_s = (char *)mono_mempool_alloc (mp, len);
6846 mp_s = (char *)mono_image_alloc (image, len);
6848 memcpy (mp_s, r, len);
6856 * mono_string_to_utf8_image:
6857 * @s: a System.String
6859 * Same as mono_string_to_utf8, but allocate the string from the image mempool.
6862 mono_string_to_utf8_image (MonoImage *image, MonoString *s, MonoError *error)
6864 MONO_REQ_GC_UNSAFE_MODE;
6866 return mono_string_to_utf8_internal (NULL, image, s, FALSE, error);
6870 * mono_string_to_utf8_mp:
6871 * @s: a System.String
6873 * Same as mono_string_to_utf8, but allocate the string from a mempool.
6876 mono_string_to_utf8_mp (MonoMemPool *mp, MonoString *s, MonoError *error)
6878 MONO_REQ_GC_UNSAFE_MODE;
6880 return mono_string_to_utf8_internal (mp, NULL, s, FALSE, error);
6884 static MonoRuntimeExceptionHandlingCallbacks eh_callbacks;
6887 mono_install_eh_callbacks (MonoRuntimeExceptionHandlingCallbacks *cbs)
6889 eh_callbacks = *cbs;
6892 MonoRuntimeExceptionHandlingCallbacks *
6893 mono_get_eh_callbacks (void)
6895 return &eh_callbacks;
6899 * mono_raise_exception:
6900 * @ex: exception object
6902 * Signal the runtime that the exception @ex has been raised in unmanaged code.
6905 mono_raise_exception (MonoException *ex)
6907 MONO_REQ_GC_UNSAFE_MODE;
6910 * NOTE: Do NOT annotate this function with G_GNUC_NORETURN, since
6911 * that will cause gcc to omit the function epilog, causing problems when
6912 * the JIT tries to walk the stack, since the return address on the stack
6913 * will point into the next function in the executable, not this one.
6915 eh_callbacks.mono_raise_exception (ex);
6919 mono_raise_exception_with_context (MonoException *ex, MonoContext *ctx)
6921 MONO_REQ_GC_UNSAFE_MODE;
6923 eh_callbacks.mono_raise_exception_with_ctx (ex, ctx);
6927 * mono_wait_handle_new:
6928 * @domain: Domain where the object will be created
6929 * @handle: Handle for the wait handle
6930 * @error: set on error.
6932 * Returns: A new MonoWaitHandle created in the given domain for the
6933 * given handle. On failure returns NULL and sets @rror.
6936 mono_wait_handle_new (MonoDomain *domain, HANDLE handle, MonoError *error)
6938 MONO_REQ_GC_UNSAFE_MODE;
6940 MonoWaitHandle *res;
6941 gpointer params [1];
6942 static MonoMethod *handle_set;
6944 mono_error_init (error);
6945 res = (MonoWaitHandle *)mono_object_new_checked (domain, mono_defaults.manualresetevent_class, error);
6946 return_val_if_nok (error, NULL);
6948 /* Even though this method is virtual, it's safe to invoke directly, since the object type matches. */
6950 handle_set = mono_class_get_property_from_name (mono_defaults.manualresetevent_class, "Handle")->set;
6952 params [0] = &handle;
6954 mono_runtime_invoke_checked (handle_set, res, params, error);
6959 mono_wait_handle_get_handle (MonoWaitHandle *handle)
6961 MONO_REQ_GC_UNSAFE_MODE;
6963 static MonoClassField *f_safe_handle = NULL;
6966 if (!f_safe_handle) {
6967 f_safe_handle = mono_class_get_field_from_name (mono_defaults.manualresetevent_class, "safeWaitHandle");
6968 g_assert (f_safe_handle);
6971 mono_field_get_value ((MonoObject*)handle, f_safe_handle, &sh);
6977 mono_runtime_capture_context (MonoDomain *domain)
6979 MONO_REQ_GC_UNSAFE_MODE;
6981 RuntimeInvokeFunction runtime_invoke;
6983 if (!domain->capture_context_runtime_invoke || !domain->capture_context_method) {
6984 MonoMethod *method = mono_get_context_capture_method ();
6985 MonoMethod *wrapper;
6988 wrapper = mono_marshal_get_runtime_invoke (method, FALSE);
6989 domain->capture_context_runtime_invoke = mono_compile_method (wrapper);
6990 domain->capture_context_method = mono_compile_method (method);
6993 runtime_invoke = (RuntimeInvokeFunction)domain->capture_context_runtime_invoke;
6995 return runtime_invoke (NULL, NULL, NULL, domain->capture_context_method);
6998 * mono_async_result_new:
6999 * @domain:domain where the object will be created.
7000 * @handle: wait handle.
7001 * @state: state to pass to AsyncResult
7002 * @data: C closure data.
7004 * Creates a new MonoAsyncResult (AsyncResult C# class) in the given domain.
7005 * If the handle is not null, the handle is initialized to a MonOWaitHandle.
7009 mono_async_result_new (MonoDomain *domain, HANDLE handle, MonoObject *state, gpointer data, MonoObject *object_data)
7011 MONO_REQ_GC_UNSAFE_MODE;
7014 MonoAsyncResult *res = (MonoAsyncResult *)mono_object_new_checked (domain, mono_defaults.asyncresult_class, &error);
7015 mono_error_raise_exception (&error); /* FIXME don't raise here */
7016 MonoObject *context = mono_runtime_capture_context (domain);
7017 /* we must capture the execution context from the original thread */
7019 MONO_OBJECT_SETREF (res, execution_context, context);
7020 /* note: result may be null if the flow is suppressed */
7023 res->data = (void **)data;
7024 MONO_OBJECT_SETREF (res, object_data, object_data);
7025 MONO_OBJECT_SETREF (res, async_state, state);
7026 MonoWaitHandle *wait_handle = mono_wait_handle_new (domain, handle, &error);
7027 mono_error_raise_exception (&error); /* FIXME don't raise here */
7029 MONO_OBJECT_SETREF (res, handle, (MonoObject *) wait_handle);
7031 res->sync_completed = FALSE;
7032 res->completed = FALSE;
7038 ves_icall_System_Runtime_Remoting_Messaging_AsyncResult_Invoke (MonoAsyncResult *ares)
7040 MONO_REQ_GC_UNSAFE_MODE;
7047 g_assert (ares->async_delegate);
7049 ac = (MonoAsyncCall*) ares->object_data;
7051 res = mono_runtime_delegate_invoke (ares->async_delegate, (void**) &ares->async_state, NULL);
7053 gpointer wait_event = NULL;
7055 ac->msg->exc = NULL;
7056 res = mono_message_invoke (ares->async_delegate, ac->msg, &ac->msg->exc, &ac->out_args);
7057 MONO_OBJECT_SETREF (ac, res, res);
7059 mono_monitor_enter ((MonoObject*) ares);
7060 ares->completed = 1;
7062 wait_event = mono_wait_handle_get_handle ((MonoWaitHandle*) ares->handle);
7063 mono_monitor_exit ((MonoObject*) ares);
7065 if (wait_event != NULL)
7066 SetEvent (wait_event);
7068 if (ac->cb_method) {
7069 mono_runtime_invoke_checked (ac->cb_method, ac->cb_target, (gpointer*) &ares, &error);
7070 if (mono_error_set_pending_exception (&error))
7079 mono_message_init (MonoDomain *domain,
7080 MonoMethodMessage *this_obj,
7081 MonoReflectionMethod *method,
7082 MonoArray *out_args)
7084 MONO_REQ_GC_UNSAFE_MODE;
7086 static MonoClass *object_array_klass;
7087 static MonoClass *byte_array_klass;
7088 static MonoClass *string_array_klass;
7090 MonoMethodSignature *sig = mono_method_signature (method->method);
7097 if (!object_array_klass) {
7100 klass = mono_array_class_get (mono_defaults.byte_class, 1);
7102 byte_array_klass = klass;
7104 klass = mono_array_class_get (mono_defaults.string_class, 1);
7106 string_array_klass = klass;
7108 klass = mono_array_class_get (mono_defaults.object_class, 1);
7111 mono_atomic_store_release (&object_array_klass, klass);
7114 MONO_OBJECT_SETREF (this_obj, method, method);
7116 arr = mono_array_new_specific_checked (mono_class_vtable (domain, object_array_klass), sig->param_count, &error);
7117 mono_error_raise_exception (&error); /* FIXME don't raise here */
7119 MONO_OBJECT_SETREF (this_obj, args, arr);
7121 arr = mono_array_new_specific_checked (mono_class_vtable (domain, byte_array_klass), sig->param_count, &error);
7122 mono_error_raise_exception (&error); /* FIXME don't raise here */
7124 MONO_OBJECT_SETREF (this_obj, arg_types, arr);
7126 this_obj->async_result = NULL;
7127 this_obj->call_type = CallType_Sync;
7129 names = g_new (char *, sig->param_count);
7130 mono_method_get_param_names (method->method, (const char **) names);
7132 arr = mono_array_new_specific_checked (mono_class_vtable (domain, string_array_klass), sig->param_count, &error);
7133 mono_error_raise_exception (&error); /* FIXME don't raise here */
7135 MONO_OBJECT_SETREF (this_obj, names, arr);
7137 for (i = 0; i < sig->param_count; i++) {
7138 name = mono_string_new (domain, names [i]);
7139 mono_array_setref (this_obj->names, i, name);
7143 for (i = 0, j = 0; i < sig->param_count; i++) {
7144 if (sig->params [i]->byref) {
7146 MonoObject* arg = (MonoObject *)mono_array_get (out_args, gpointer, j);
7147 mono_array_setref (this_obj->args, i, arg);
7151 if (!(sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT))
7155 if (sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT)
7158 mono_array_set (this_obj->arg_types, guint8, i, arg_type);
7162 #ifndef DISABLE_REMOTING
7164 * mono_remoting_invoke:
7165 * @real_proxy: pointer to a RealProxy object
7166 * @msg: The MonoMethodMessage to execute
7167 * @exc: used to store exceptions
7168 * @out_args: used to store output arguments
7170 * This is used to call RealProxy::Invoke(). RealProxy::Invoke() returns an
7171 * IMessage interface and it is not trivial to extract results from there. So
7172 * we call an helper method PrivateInvoke instead of calling
7173 * RealProxy::Invoke() directly.
7175 * Returns: the result object.
7178 mono_remoting_invoke (MonoObject *real_proxy, MonoMethodMessage *msg, MonoObject **exc, MonoArray **out_args, MonoError *error)
7180 MONO_REQ_GC_UNSAFE_MODE;
7183 MonoMethod *im = real_proxy->vtable->domain->private_invoke_method;
7188 mono_error_init (error);
7190 /*static MonoObject *(*invoke) (gpointer, gpointer, MonoObject **, MonoArray **) = NULL;*/
7193 im = mono_class_get_method_from_name (mono_defaults.real_proxy_class, "PrivateInvoke", 4);
7195 mono_error_set_not_supported (error, "Linked away.");
7198 real_proxy->vtable->domain->private_invoke_method = im;
7201 pa [0] = real_proxy;
7206 o = mono_runtime_try_invoke (im, NULL, pa, exc, error);
7207 return_val_if_nok (error, NULL);
7214 mono_message_invoke (MonoObject *target, MonoMethodMessage *msg,
7215 MonoObject **exc, MonoArray **out_args)
7217 MONO_REQ_GC_UNSAFE_MODE;
7219 static MonoClass *object_array_klass;
7223 MonoMethodSignature *sig;
7226 int i, j, outarg_count = 0;
7228 #ifndef DISABLE_REMOTING
7229 if (target && mono_object_is_transparent_proxy (target)) {
7230 MonoTransparentProxy* tp = (MonoTransparentProxy *)target;
7231 if (mono_class_is_contextbound (tp->remote_class->proxy_class) && tp->rp->context == (MonoObject *) mono_context_get ()) {
7232 target = tp->rp->unwrapped_server;
7234 ret = mono_remoting_invoke ((MonoObject *)tp->rp, msg, exc, out_args, &error);
7235 mono_error_raise_exception (&error); /* FIXME don't raise here */
7242 domain = mono_domain_get ();
7243 method = msg->method->method;
7244 sig = mono_method_signature (method);
7246 for (i = 0; i < sig->param_count; i++) {
7247 if (sig->params [i]->byref)
7251 if (!object_array_klass) {
7254 klass = mono_array_class_get (mono_defaults.object_class, 1);
7257 mono_memory_barrier ();
7258 object_array_klass = klass;
7261 arr = mono_array_new_specific_checked (mono_class_vtable (domain, object_array_klass), outarg_count, &error);
7262 mono_error_raise_exception (&error); /* FIXME don't raise here */
7264 mono_gc_wbarrier_generic_store (out_args, (MonoObject*) arr);
7267 ret = mono_runtime_invoke_array (method, method->klass->valuetype? mono_object_unbox (target): target, msg->args, exc);
7269 for (i = 0, j = 0; i < sig->param_count; i++) {
7270 if (sig->params [i]->byref) {
7272 arg = (MonoObject *)mono_array_get (msg->args, gpointer, i);
7273 mono_array_setref (*out_args, j, arg);
7282 * mono_object_to_string:
7284 * @exc: Any exception thrown by ToString (). May be NULL.
7286 * Returns: the result of calling ToString () on an object.
7289 mono_object_to_string (MonoObject *obj, MonoObject **exc)
7291 MONO_REQ_GC_UNSAFE_MODE;
7293 static MonoMethod *to_string = NULL;
7302 to_string = mono_class_get_method_from_name_flags (mono_get_object_class (), "ToString", 0, METHOD_ATTRIBUTE_VIRTUAL | METHOD_ATTRIBUTE_PUBLIC);
7304 method = mono_object_get_virtual_method (obj, to_string);
7306 // Unbox value type if needed
7307 if (mono_class_is_valuetype (mono_method_get_class (method))) {
7308 target = mono_object_unbox (obj);
7312 s = (MonoString *) mono_runtime_try_invoke (method, target, NULL, exc, &error);
7313 if (*exc == NULL && !mono_error_ok (&error))
7314 *exc = (MonoObject*) mono_error_convert_to_exception (&error);
7316 mono_error_cleanup (&error);
7318 s = (MonoString *) mono_runtime_invoke_checked (method, target, NULL, &error);
7319 mono_error_raise_exception (&error); /* FIXME don't raise here */
7326 * mono_print_unhandled_exception:
7327 * @exc: The exception
7329 * Prints the unhandled exception.
7332 mono_print_unhandled_exception (MonoObject *exc)
7334 MONO_REQ_GC_UNSAFE_MODE;
7337 char *message = (char*)"";
7338 gboolean free_message = FALSE;
7341 if (exc == (MonoObject*)mono_object_domain (exc)->out_of_memory_ex) {
7342 message = g_strdup ("OutOfMemoryException");
7343 free_message = TRUE;
7344 } else if (exc == (MonoObject*)mono_object_domain (exc)->stack_overflow_ex) {
7345 message = g_strdup ("StackOverflowException"); //if we OVF, we can't expect to have stack space to JIT Exception::ToString.
7346 free_message = TRUE;
7349 if (((MonoException*)exc)->native_trace_ips) {
7350 message = mono_exception_get_native_backtrace ((MonoException*)exc);
7351 free_message = TRUE;
7353 MonoObject *other_exc = NULL;
7354 str = mono_object_to_string (exc, &other_exc);
7356 char *original_backtrace = mono_exception_get_managed_backtrace ((MonoException*)exc);
7357 char *nested_backtrace = mono_exception_get_managed_backtrace ((MonoException*)other_exc);
7359 message = g_strdup_printf ("Nested exception detected.\nOriginal Exception: %s\nNested exception:%s\n",
7360 original_backtrace, nested_backtrace);
7362 g_free (original_backtrace);
7363 g_free (nested_backtrace);
7364 free_message = TRUE;
7366 message = mono_string_to_utf8_checked (str, &error);
7367 if (!mono_error_ok (&error)) {
7368 mono_error_cleanup (&error);
7369 message = (char *) "";
7371 free_message = TRUE;
7378 * g_printerr ("\nUnhandled Exception: %s.%s: %s\n", exc->vtable->klass->name_space,
7379 * exc->vtable->klass->name, message);
7381 g_printerr ("\nUnhandled Exception:\n%s\n", message);
7388 * mono_delegate_ctor:
7389 * @this: pointer to an uninitialized delegate object
7390 * @target: target object
7391 * @addr: pointer to native code
7394 * Initialize a delegate and sets a specific method, not the one
7395 * associated with addr. This is useful when sharing generic code.
7396 * In that case addr will most probably not be associated with the
7397 * correct instantiation of the method.
7400 mono_delegate_ctor_with_method (MonoObject *this_obj, MonoObject *target, gpointer addr, MonoMethod *method)
7402 MONO_REQ_GC_UNSAFE_MODE;
7404 MonoDelegate *delegate = (MonoDelegate *)this_obj;
7406 g_assert (this_obj);
7409 g_assert (mono_class_has_parent (mono_object_class (this_obj), mono_defaults.multicastdelegate_class));
7412 delegate->method = method;
7414 mono_stats.delegate_creations++;
7416 #ifndef DISABLE_REMOTING
7417 if (target && target->vtable->klass == mono_defaults.transparent_proxy_class) {
7419 method = mono_marshal_get_remoting_invoke (method);
7420 delegate->method_ptr = mono_compile_method (method);
7421 MONO_OBJECT_SETREF (delegate, target, target);
7425 delegate->method_ptr = addr;
7426 MONO_OBJECT_SETREF (delegate, target, target);
7429 delegate->invoke_impl = arch_create_delegate_trampoline (delegate->object.vtable->domain, delegate->object.vtable->klass);
7430 if (callbacks.init_delegate)
7431 callbacks.init_delegate (delegate);
7435 * mono_delegate_ctor:
7436 * @this: pointer to an uninitialized delegate object
7437 * @target: target object
7438 * @addr: pointer to native code
7440 * This is used to initialize a delegate.
7443 mono_delegate_ctor (MonoObject *this_obj, MonoObject *target, gpointer addr)
7445 MONO_REQ_GC_UNSAFE_MODE;
7447 MonoDomain *domain = mono_domain_get ();
7449 MonoMethod *method = NULL;
7453 ji = mono_jit_info_table_find (domain, (char *)mono_get_addr_from_ftnptr (addr));
7455 if (!ji && domain != mono_get_root_domain ())
7456 ji = mono_jit_info_table_find (mono_get_root_domain (), (char *)mono_get_addr_from_ftnptr (addr));
7458 method = mono_jit_info_get_method (ji);
7459 g_assert (!method->klass->generic_container);
7462 mono_delegate_ctor_with_method (this_obj, target, addr, method);
7466 * mono_method_call_message_new:
7467 * @method: method to encapsulate
7468 * @params: parameters to the method
7469 * @invoke: optional, delegate invoke.
7470 * @cb: async callback delegate.
7471 * @state: state passed to the async callback.
7473 * Translates arguments pointers into a MonoMethodMessage.
7476 mono_method_call_message_new (MonoMethod *method, gpointer *params, MonoMethod *invoke,
7477 MonoDelegate **cb, MonoObject **state)
7479 MONO_REQ_GC_UNSAFE_MODE;
7483 MonoDomain *domain = mono_domain_get ();
7484 MonoMethodSignature *sig = mono_method_signature (method);
7485 MonoMethodMessage *msg;
7488 msg = (MonoMethodMessage *)mono_object_new_checked (domain, mono_defaults.mono_method_message_class, &error);
7489 mono_error_raise_exception (&error); /* FIXME don't raise here */
7492 MonoReflectionMethod *rm = mono_method_get_object_checked (domain, invoke, NULL, &error);
7493 mono_error_raise_exception (&error); /* FIXME don't raise here */
7494 mono_message_init (domain, msg, rm, NULL);
7495 count = sig->param_count - 2;
7497 MonoReflectionMethod *rm = mono_method_get_object_checked (domain, method, NULL, &error);
7498 mono_error_raise_exception (&error); /* FIXME don't raise here */
7499 mono_message_init (domain, msg, rm, NULL);
7500 count = sig->param_count;
7503 for (i = 0; i < count; i++) {
7508 if (sig->params [i]->byref)
7509 vpos = *((gpointer *)params [i]);
7513 klass = mono_class_from_mono_type (sig->params [i]);
7515 if (klass->valuetype) {
7516 arg = mono_value_box_checked (domain, klass, vpos, &error);
7517 mono_error_raise_exception (&error); /* FIXME don't raise here */
7519 arg = *((MonoObject **)vpos);
7521 mono_array_setref (msg->args, i, arg);
7524 if (cb != NULL && state != NULL) {
7525 *cb = *((MonoDelegate **)params [i]);
7527 *state = *((MonoObject **)params [i]);
7534 * mono_method_return_message_restore:
7536 * Restore results from message based processing back to arguments pointers
7539 mono_method_return_message_restore (MonoMethod *method, gpointer *params, MonoArray *out_args, MonoError *error)
7541 MONO_REQ_GC_UNSAFE_MODE;
7543 mono_error_init (error);
7545 MonoMethodSignature *sig = mono_method_signature (method);
7546 int i, j, type, size, out_len;
7548 if (out_args == NULL)
7550 out_len = mono_array_length (out_args);
7554 for (i = 0, j = 0; i < sig->param_count; i++) {
7555 MonoType *pt = sig->params [i];
7560 mono_error_set_execution_engine (error, "The proxy call returned an incorrect number of output arguments");
7564 arg = (char *)mono_array_get (out_args, gpointer, j);
7567 g_assert (type != MONO_TYPE_VOID);
7569 if (MONO_TYPE_IS_REFERENCE (pt)) {
7570 mono_gc_wbarrier_generic_store (*((MonoObject ***)params [i]), (MonoObject *)arg);
7573 MonoClass *klass = ((MonoObject*)arg)->vtable->klass;
7574 size = mono_class_value_size (klass, NULL);
7575 if (klass->has_references)
7576 mono_gc_wbarrier_value_copy (*((gpointer *)params [i]), arg + sizeof (MonoObject), 1, klass);
7578 mono_gc_memmove_atomic (*((gpointer *)params [i]), arg + sizeof (MonoObject), size);
7580 size = mono_class_value_size (mono_class_from_mono_type (pt), NULL);
7581 mono_gc_bzero_atomic (*((gpointer *)params [i]), size);
7590 #ifndef DISABLE_REMOTING
7593 * mono_load_remote_field:
7594 * @this: pointer to an object
7595 * @klass: klass of the object containing @field
7596 * @field: the field to load
7597 * @res: a storage to store the result
7599 * This method is called by the runtime on attempts to load fields of
7600 * transparent proxy objects. @this points to such TP, @klass is the class of
7601 * the object containing @field. @res is a storage location which can be
7602 * used to store the result.
7604 * Returns: an address pointing to the value of field.
7607 mono_load_remote_field (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, gpointer *res)
7610 gpointer result = mono_load_remote_field_checked (this_obj, klass, field, res, &error);
7611 mono_error_cleanup (&error);
7616 * mono_load_remote_field_checked:
7617 * @this: pointer to an object
7618 * @klass: klass of the object containing @field
7619 * @field: the field to load
7620 * @res: a storage to store the result
7621 * @error: set on error
7623 * This method is called by the runtime on attempts to load fields of
7624 * transparent proxy objects. @this points to such TP, @klass is the class of
7625 * the object containing @field. @res is a storage location which can be
7626 * used to store the result.
7628 * Returns: an address pointing to the value of field. On failure returns NULL and sets @error.
7631 mono_load_remote_field_checked (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, gpointer *res, MonoError *error)
7633 MONO_REQ_GC_UNSAFE_MODE;
7635 static MonoMethod *getter = NULL;
7637 mono_error_init (error);
7639 MonoDomain *domain = mono_domain_get ();
7640 MonoTransparentProxy *tp = (MonoTransparentProxy *) this_obj;
7641 MonoClass *field_class;
7642 MonoMethodMessage *msg;
7643 MonoArray *out_args;
7647 g_assert (mono_object_is_transparent_proxy (this_obj));
7648 g_assert (res != NULL);
7650 if (mono_class_is_contextbound (tp->remote_class->proxy_class) && tp->rp->context == (MonoObject *) mono_context_get ()) {
7651 mono_field_get_value (tp->rp->unwrapped_server, field, res);
7656 getter = mono_class_get_method_from_name (mono_defaults.object_class, "FieldGetter", -1);
7658 mono_error_set_not_supported (error, "Linked away.");
7663 field_class = mono_class_from_mono_type (field->type);
7665 msg = (MonoMethodMessage *)mono_object_new_checked (domain, mono_defaults.mono_method_message_class, error);
7666 return_val_if_nok (error, NULL);
7667 out_args = mono_array_new_checked (domain, mono_defaults.object_class, 1, error);
7668 return_val_if_nok (error, NULL);
7669 MonoReflectionMethod *rm = mono_method_get_object_checked (domain, getter, NULL, error);
7670 return_val_if_nok (error, NULL);
7671 mono_message_init (domain, msg, rm, out_args);
7673 full_name = mono_type_get_full_name (klass);
7674 mono_array_setref (msg->args, 0, mono_string_new (domain, full_name));
7675 mono_array_setref (msg->args, 1, mono_string_new (domain, mono_field_get_name (field)));
7678 mono_remoting_invoke ((MonoObject *)(tp->rp), msg, &exc, &out_args, error);
7679 return_val_if_nok (error, NULL);
7682 mono_error_set_exception_instance (error, (MonoException *)exc);
7686 if (mono_array_length (out_args) == 0)
7689 mono_gc_wbarrier_generic_store (res, mono_array_get (out_args, MonoObject *, 0));
7691 if (field_class->valuetype) {
7692 return ((char *)*res) + sizeof (MonoObject);
7698 * mono_load_remote_field_new:
7703 * Missing documentation.
7706 mono_load_remote_field_new (MonoObject *this_obj, MonoClass *klass, MonoClassField *field)
7710 MonoObject *result = mono_load_remote_field_new_checked (this_obj, klass, field, &error);
7711 mono_error_cleanup (&error);
7716 * mono_load_remote_field_new_icall:
7717 * @this: pointer to an object
7718 * @klass: klass of the object containing @field
7719 * @field: the field to load
7721 * This method is called by the runtime on attempts to load fields of
7722 * transparent proxy objects. @this points to such TP, @klass is the class of
7723 * the object containing @field.
7725 * Returns: a freshly allocated object containing the value of the
7726 * field. On failure returns NULL and throws an exception.
7729 mono_load_remote_field_new_icall (MonoObject *this_obj, MonoClass *klass, MonoClassField *field)
7732 MonoObject *result = mono_load_remote_field_new_checked (this_obj, klass, field, &error);
7733 mono_error_set_pending_exception (&error);
7738 * mono_load_remote_field_new_checked:
7739 * @this: pointer to an object
7740 * @klass: klass of the object containing @field
7741 * @field: the field to load
7742 * @error: set on error.
7744 * This method is called by the runtime on attempts to load fields of
7745 * transparent proxy objects. @this points to such TP, @klass is the class of
7746 * the object containing @field.
7748 * Returns: a freshly allocated object containing the value of the field. On failure returns NULL and sets @error.
7751 mono_load_remote_field_new_checked (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, MonoError *error)
7753 MONO_REQ_GC_UNSAFE_MODE;
7755 mono_error_init (error);
7757 static MonoMethod *getter = NULL;
7758 MonoDomain *domain = mono_domain_get ();
7759 MonoTransparentProxy *tp = (MonoTransparentProxy *) this_obj;
7760 MonoClass *field_class;
7761 MonoMethodMessage *msg;
7762 MonoArray *out_args;
7763 MonoObject *exc, *res;
7766 g_assert (mono_object_is_transparent_proxy (this_obj));
7768 field_class = mono_class_from_mono_type (field->type);
7770 if (mono_class_is_contextbound (tp->remote_class->proxy_class) && tp->rp->context == (MonoObject *) mono_context_get ()) {
7772 if (field_class->valuetype) {
7773 res = mono_object_new_checked (domain, field_class, error);
7774 return_val_if_nok (error, NULL);
7775 val = ((gchar *) res) + sizeof (MonoObject);
7779 mono_field_get_value (tp->rp->unwrapped_server, field, val);
7784 getter = mono_class_get_method_from_name (mono_defaults.object_class, "FieldGetter", -1);
7786 mono_error_set_not_supported (error, "Linked away.");
7791 msg = (MonoMethodMessage *)mono_object_new_checked (domain, mono_defaults.mono_method_message_class, error);
7792 return_val_if_nok (error, NULL);
7793 out_args = mono_array_new_checked (domain, mono_defaults.object_class, 1, error);
7794 return_val_if_nok (error, NULL);
7796 MonoReflectionMethod *rm = mono_method_get_object_checked (domain, getter, NULL, error);
7797 return_val_if_nok (error, NULL);
7798 mono_message_init (domain, msg, rm, out_args);
7800 full_name = mono_type_get_full_name (klass);
7801 mono_array_setref (msg->args, 0, mono_string_new (domain, full_name));
7802 mono_array_setref (msg->args, 1, mono_string_new (domain, mono_field_get_name (field)));
7805 mono_remoting_invoke ((MonoObject *)(tp->rp), msg, &exc, &out_args, error);
7806 return_val_if_nok (error, NULL);
7809 mono_error_set_exception_instance (error, (MonoException *)exc);
7813 if (mono_array_length (out_args) == 0)
7816 res = mono_array_get (out_args, MonoObject *, 0);
7822 * mono_store_remote_field:
7823 * @this_obj: pointer to an object
7824 * @klass: klass of the object containing @field
7825 * @field: the field to load
7826 * @val: the value/object to store
7828 * This method is called by the runtime on attempts to store fields of
7829 * transparent proxy objects. @this_obj points to such TP, @klass is the class of
7830 * the object containing @field. @val is the new value to store in @field.
7833 mono_store_remote_field (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, gpointer val)
7836 (void) mono_store_remote_field_checked (this_obj, klass, field, val, &error);
7837 mono_error_cleanup (&error);
7841 * mono_store_remote_field_checked:
7842 * @this_obj: pointer to an object
7843 * @klass: klass of the object containing @field
7844 * @field: the field to load
7845 * @val: the value/object to store
7846 * @error: set on error
7848 * This method is called by the runtime on attempts to store fields of
7849 * transparent proxy objects. @this_obj points to such TP, @klass is the class of
7850 * the object containing @field. @val is the new value to store in @field.
7852 * Returns: on success returns TRUE, on failure returns FALSE and sets @error.
7855 mono_store_remote_field_checked (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, gpointer val, MonoError *error)
7858 MONO_REQ_GC_UNSAFE_MODE;
7860 static MonoMethod *setter = NULL;
7862 MonoDomain *domain = mono_domain_get ();
7863 MonoTransparentProxy *tp = (MonoTransparentProxy *) this_obj;
7864 MonoClass *field_class;
7865 MonoMethodMessage *msg;
7866 MonoArray *out_args;
7871 mono_error_init (error);
7873 g_assert (mono_object_is_transparent_proxy (this_obj));
7875 field_class = mono_class_from_mono_type (field->type);
7877 if (mono_class_is_contextbound (tp->remote_class->proxy_class) && tp->rp->context == (MonoObject *) mono_context_get ()) {
7878 if (field_class->valuetype) mono_field_set_value (tp->rp->unwrapped_server, field, val);
7879 else mono_field_set_value (tp->rp->unwrapped_server, field, *((MonoObject **)val));
7884 setter = mono_class_get_method_from_name (mono_defaults.object_class, "FieldSetter", -1);
7886 mono_error_set_not_supported (error, "Linked away.");
7891 if (field_class->valuetype) {
7892 arg = mono_value_box_checked (domain, field_class, val, error);
7893 return_val_if_nok (error, FALSE);
7895 arg = *((MonoObject **)val);
7898 msg = (MonoMethodMessage *)mono_object_new_checked (domain, mono_defaults.mono_method_message_class, error);
7899 return_val_if_nok (error, FALSE);
7900 MonoReflectionMethod *rm = mono_method_get_object_checked (domain, setter, NULL, error);
7901 return_val_if_nok (error, FALSE);
7902 mono_message_init (domain, msg, rm, NULL);
7904 full_name = mono_type_get_full_name (klass);
7905 mono_array_setref (msg->args, 0, mono_string_new (domain, full_name));
7906 mono_array_setref (msg->args, 1, mono_string_new (domain, mono_field_get_name (field)));
7907 mono_array_setref (msg->args, 2, arg);
7910 mono_remoting_invoke ((MonoObject *)(tp->rp), msg, &exc, &out_args, error);
7911 return_val_if_nok (error, FALSE);
7914 mono_error_set_exception_instance (error, (MonoException *)exc);
7921 * mono_store_remote_field_new:
7927 * Missing documentation
7930 mono_store_remote_field_new (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, MonoObject *arg)
7933 (void) mono_store_remote_field_new_checked (this_obj, klass, field, arg, &error);
7934 mono_error_cleanup (&error);
7938 * mono_store_remote_field_new_icall:
7944 * Missing documentation
7947 mono_store_remote_field_new_icall (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, MonoObject *arg)
7950 (void) mono_store_remote_field_new_checked (this_obj, klass, field, arg, &error);
7951 mono_error_set_pending_exception (&error);
7955 * mono_store_remote_field_new_checked:
7962 * Missing documentation
7965 mono_store_remote_field_new_checked (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, MonoObject *arg, MonoError *error)
7967 MONO_REQ_GC_UNSAFE_MODE;
7969 static MonoMethod *setter = NULL;
7970 MonoDomain *domain = mono_domain_get ();
7971 MonoTransparentProxy *tp = (MonoTransparentProxy *) this_obj;
7972 MonoClass *field_class;
7973 MonoMethodMessage *msg;
7974 MonoArray *out_args;
7978 mono_error_init (error);
7980 g_assert (mono_object_is_transparent_proxy (this_obj));
7982 field_class = mono_class_from_mono_type (field->type);
7984 if (mono_class_is_contextbound (tp->remote_class->proxy_class) && tp->rp->context == (MonoObject *) mono_context_get ()) {
7985 if (field_class->valuetype) mono_field_set_value (tp->rp->unwrapped_server, field, ((gchar *) arg) + sizeof (MonoObject));
7986 else mono_field_set_value (tp->rp->unwrapped_server, field, arg);
7991 setter = mono_class_get_method_from_name (mono_defaults.object_class, "FieldSetter", -1);
7993 mono_error_set_not_supported (error, "Linked away.");
7998 msg = (MonoMethodMessage *)mono_object_new_checked (domain, mono_defaults.mono_method_message_class, error);
7999 return_val_if_nok (error, FALSE);
8000 MonoReflectionMethod *rm = mono_method_get_object_checked (domain, setter, NULL, error);
8001 return_val_if_nok (error, FALSE);
8002 mono_message_init (domain, msg, rm, NULL);
8004 full_name = mono_type_get_full_name (klass);
8005 mono_array_setref (msg->args, 0, mono_string_new (domain, full_name));
8006 mono_array_setref (msg->args, 1, mono_string_new (domain, mono_field_get_name (field)));
8007 mono_array_setref (msg->args, 2, arg);
8010 mono_remoting_invoke ((MonoObject *)(tp->rp), msg, &exc, &out_args, error);
8011 return_val_if_nok (error, FALSE);
8014 mono_error_set_exception_instance (error, (MonoException *)exc);
8022 * mono_create_ftnptr:
8024 * Given a function address, create a function descriptor for it.
8025 * This is only needed on some platforms.
8028 mono_create_ftnptr (MonoDomain *domain, gpointer addr)
8030 return callbacks.create_ftnptr (domain, addr);
8034 * mono_get_addr_from_ftnptr:
8036 * Given a pointer to a function descriptor, return the function address.
8037 * This is only needed on some platforms.
8040 mono_get_addr_from_ftnptr (gpointer descr)
8042 return callbacks.get_addr_from_ftnptr (descr);
8046 * mono_string_chars:
8049 * Returns a pointer to the UCS16 characters stored in the MonoString
8052 mono_string_chars (MonoString *s)
8054 // MONO_REQ_GC_UNSAFE_MODE; //FIXME too much trouble for now
8060 * mono_string_length:
8063 * Returns the lenght in characters of the string
8066 mono_string_length (MonoString *s)
8068 MONO_REQ_GC_UNSAFE_MODE;
8074 * mono_array_length:
8075 * @array: a MonoArray*
8077 * Returns the total number of elements in the array. This works for
8078 * both vectors and multidimensional arrays.
8081 mono_array_length (MonoArray *array)
8083 MONO_REQ_GC_UNSAFE_MODE;
8085 return array->max_length;
8089 * mono_array_addr_with_size:
8090 * @array: a MonoArray*
8091 * @size: size of the array elements
8092 * @idx: index into the array
8094 * Use this function to obtain the address for the @idx item on the
8095 * @array containing elements of size @size.
8097 * This method performs no bounds checking or type checking.
8099 * Returns the address of the @idx element in the array.
8102 mono_array_addr_with_size (MonoArray *array, int size, uintptr_t idx)
8104 MONO_REQ_GC_UNSAFE_MODE;
8106 return ((char*)(array)->vector) + size * idx;
8111 mono_glist_to_array (GList *list, MonoClass *eclass, MonoError *error)
8113 MonoDomain *domain = mono_domain_get ();
8117 mono_error_init (error);
8121 len = g_list_length (list);
8122 res = mono_array_new_checked (domain, eclass, len, error);
8123 return_val_if_nok (error, NULL);
8125 for (i = 0; list; list = list->next, i++)
8126 mono_array_set (res, gpointer, i, list->data);
8133 * The following section is purely to declare prototypes and
8134 * document the API, as these C files are processed by our
8140 * @array: array to alter
8141 * @element_type: A C type name, this macro will use the sizeof(type) to determine the element size
8142 * @index: index into the array
8143 * @value: value to set
8145 * Value Type version: This sets the @index's element of the @array
8146 * with elements of size sizeof(type) to the provided @value.
8148 * This macro does not attempt to perform type checking or bounds checking.
8150 * Use this to set value types in a `MonoArray`.
8152 void mono_array_set(MonoArray *array, Type element_type, uintptr_t index, Value value)
8157 * mono_array_setref:
8158 * @array: array to alter
8159 * @index: index into the array
8160 * @value: value to set
8162 * Reference Type version: This sets the @index's element of the
8163 * @array with elements of size sizeof(type) to the provided @value.
8165 * This macro does not attempt to perform type checking or bounds checking.
8167 * Use this to reference types in a `MonoArray`.
8169 void mono_array_setref(MonoArray *array, uintptr_t index, MonoObject *object)
8175 * @array: array on which to operate on
8176 * @element_type: C element type (example: MonoString *, int, MonoObject *)
8177 * @index: index into the array
8179 * Use this macro to retrieve the @index element of an @array and
8180 * extract the value assuming that the elements of the array match
8181 * the provided type value.
8183 * This method can be used with both arrays holding value types and
8184 * reference types. For reference types, the @type parameter should
8185 * be a `MonoObject*` or any subclass of it, like `MonoString*`.
8187 * This macro does not attempt to perform type checking or bounds checking.
8189 * Returns: The element at the @index position in the @array.
8191 Type mono_array_get (MonoArray *array, Type element_type, uintptr_t index)